1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
24 #include <linux/blkdev.h>
25 #include <linux/delay.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/idr.h>
28 #include <linux/interrupt.h>
29 #include <linux/module.h>
30 #include <linux/kthread.h>
31 #include <linux/pci.h>
32 #include <linux/spinlock.h>
33 #include <linux/ctype.h>
34 #include <linux/aer.h>
35 #include <linux/slab.h>
36 #include <linux/firmware.h>
37 #include <linux/miscdevice.h>
38 #include <linux/percpu.h>
39 #include <linux/msi.h>
40 #include <linux/irq.h>
41 #include <linux/bitops.h>
43 #include <scsi/scsi.h>
44 #include <scsi/scsi_device.h>
45 #include <scsi/scsi_host.h>
46 #include <scsi/scsi_transport_fc.h>
47 #include <scsi/scsi_tcq.h>
48 #include <scsi/fc/fc_fs.h>
50 #include <linux/nvme-fc-driver.h>
55 #include "lpfc_sli4.h"
57 #include "lpfc_disc.h"
59 #include "lpfc_scsi.h"
60 #include "lpfc_nvme.h"
61 #include "lpfc_nvmet.h"
62 #include "lpfc_logmsg.h"
63 #include "lpfc_crtn.h"
64 #include "lpfc_vport.h"
65 #include "lpfc_version.h"
69 unsigned long _dump_buf_data_order;
71 unsigned long _dump_buf_dif_order;
72 spinlock_t _dump_buf_lock;
74 /* Used when mapping IRQ vectors in a driver centric manner */
75 uint32_t lpfc_present_cpu;
77 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
78 static int lpfc_post_rcv_buf(struct lpfc_hba *);
79 static int lpfc_sli4_queue_verify(struct lpfc_hba *);
80 static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
81 static int lpfc_setup_endian_order(struct lpfc_hba *);
82 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
83 static void lpfc_free_els_sgl_list(struct lpfc_hba *);
84 static void lpfc_free_nvmet_sgl_list(struct lpfc_hba *);
85 static void lpfc_init_sgl_list(struct lpfc_hba *);
86 static int lpfc_init_active_sgl_array(struct lpfc_hba *);
87 static void lpfc_free_active_sgl(struct lpfc_hba *);
88 static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
89 static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
90 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
91 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
92 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
93 static void lpfc_sli4_disable_intr(struct lpfc_hba *);
94 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
95 static void lpfc_sli4_oas_verify(struct lpfc_hba *phba);
96 static uint16_t lpfc_find_eq_handle(struct lpfc_hba *, uint16_t);
97 static uint16_t lpfc_find_cpu_handle(struct lpfc_hba *, uint16_t, int);
99 static struct scsi_transport_template *lpfc_transport_template = NULL;
100 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
101 static DEFINE_IDR(lpfc_hba_index);
102 #define LPFC_NVMET_BUF_POST 254
105 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
106 * @phba: pointer to lpfc hba data structure.
108 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
109 * mailbox command. It retrieves the revision information from the HBA and
110 * collects the Vital Product Data (VPD) about the HBA for preparing the
111 * configuration of the HBA.
115 * -ERESTART - requests the SLI layer to reset the HBA and try again.
116 * Any other value - indicates an error.
119 lpfc_config_port_prep(struct lpfc_hba *phba)
121 lpfc_vpd_t *vp = &phba->vpd;
125 char *lpfc_vpd_data = NULL;
127 static char licensed[56] =
128 "key unlock for use with gnu public licensed code only\0";
129 static int init_key = 1;
131 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
133 phba->link_state = LPFC_HBA_ERROR;
138 phba->link_state = LPFC_INIT_MBX_CMDS;
140 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
142 uint32_t *ptext = (uint32_t *) licensed;
144 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
145 *ptext = cpu_to_be32(*ptext);
149 lpfc_read_nv(phba, pmb);
150 memset((char*)mb->un.varRDnvp.rsvd3, 0,
151 sizeof (mb->un.varRDnvp.rsvd3));
152 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
155 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
157 if (rc != MBX_SUCCESS) {
158 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
159 "0324 Config Port initialization "
160 "error, mbxCmd x%x READ_NVPARM, "
162 mb->mbxCommand, mb->mbxStatus);
163 mempool_free(pmb, phba->mbox_mem_pool);
166 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
168 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
173 * Clear all option bits except LPFC_SLI3_BG_ENABLED,
174 * which was already set in lpfc_get_cfgparam()
176 phba->sli3_options &= (uint32_t)LPFC_SLI3_BG_ENABLED;
178 /* Setup and issue mailbox READ REV command */
179 lpfc_read_rev(phba, pmb);
180 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
181 if (rc != MBX_SUCCESS) {
182 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
183 "0439 Adapter failed to init, mbxCmd x%x "
184 "READ_REV, mbxStatus x%x\n",
185 mb->mbxCommand, mb->mbxStatus);
186 mempool_free( pmb, phba->mbox_mem_pool);
192 * The value of rr must be 1 since the driver set the cv field to 1.
193 * This setting requires the FW to set all revision fields.
195 if (mb->un.varRdRev.rr == 0) {
197 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
198 "0440 Adapter failed to init, READ_REV has "
199 "missing revision information.\n");
200 mempool_free(pmb, phba->mbox_mem_pool);
204 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
205 mempool_free(pmb, phba->mbox_mem_pool);
209 /* Save information as VPD data */
211 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
212 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
213 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
214 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
215 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
216 vp->rev.biuRev = mb->un.varRdRev.biuRev;
217 vp->rev.smRev = mb->un.varRdRev.smRev;
218 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
219 vp->rev.endecRev = mb->un.varRdRev.endecRev;
220 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
221 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
222 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
223 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
224 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
225 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
227 /* If the sli feature level is less then 9, we must
228 * tear down all RPIs and VPIs on link down if NPIV
231 if (vp->rev.feaLevelHigh < 9)
232 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
234 if (lpfc_is_LC_HBA(phba->pcidev->device))
235 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
236 sizeof (phba->RandomData));
238 /* Get adapter VPD information */
239 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
243 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
244 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
246 if (rc != MBX_SUCCESS) {
247 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
248 "0441 VPD not present on adapter, "
249 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
250 mb->mbxCommand, mb->mbxStatus);
251 mb->un.varDmp.word_cnt = 0;
253 /* dump mem may return a zero when finished or we got a
254 * mailbox error, either way we are done.
256 if (mb->un.varDmp.word_cnt == 0)
258 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
259 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
260 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
261 lpfc_vpd_data + offset,
262 mb->un.varDmp.word_cnt);
263 offset += mb->un.varDmp.word_cnt;
264 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
265 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
267 kfree(lpfc_vpd_data);
269 mempool_free(pmb, phba->mbox_mem_pool);
274 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
275 * @phba: pointer to lpfc hba data structure.
276 * @pmboxq: pointer to the driver internal queue element for mailbox command.
278 * This is the completion handler for driver's configuring asynchronous event
279 * mailbox command to the device. If the mailbox command returns successfully,
280 * it will set internal async event support flag to 1; otherwise, it will
281 * set internal async event support flag to 0.
284 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
286 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
287 phba->temp_sensor_support = 1;
289 phba->temp_sensor_support = 0;
290 mempool_free(pmboxq, phba->mbox_mem_pool);
295 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
296 * @phba: pointer to lpfc hba data structure.
297 * @pmboxq: pointer to the driver internal queue element for mailbox command.
299 * This is the completion handler for dump mailbox command for getting
300 * wake up parameters. When this command complete, the response contain
301 * Option rom version of the HBA. This function translate the version number
302 * into a human readable string and store it in OptionROMVersion.
305 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
308 uint32_t prog_id_word;
310 /* character array used for decoding dist type. */
311 char dist_char[] = "nabx";
313 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
314 mempool_free(pmboxq, phba->mbox_mem_pool);
318 prg = (struct prog_id *) &prog_id_word;
320 /* word 7 contain option rom version */
321 prog_id_word = pmboxq->u.mb.un.varWords[7];
323 /* Decode the Option rom version word to a readable string */
325 dist = dist_char[prg->dist];
327 if ((prg->dist == 3) && (prg->num == 0))
328 snprintf(phba->OptionROMVersion, 32, "%d.%d%d",
329 prg->ver, prg->rev, prg->lev);
331 snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d",
332 prg->ver, prg->rev, prg->lev,
334 mempool_free(pmboxq, phba->mbox_mem_pool);
339 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
340 * cfg_soft_wwnn, cfg_soft_wwpn
341 * @vport: pointer to lpfc vport data structure.
348 lpfc_update_vport_wwn(struct lpfc_vport *vport)
350 uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level;
351 u32 *fawwpn_key = (u32 *)&vport->fc_sparam.un.vendorVersion[0];
353 /* If the soft name exists then update it using the service params */
354 if (vport->phba->cfg_soft_wwnn)
355 u64_to_wwn(vport->phba->cfg_soft_wwnn,
356 vport->fc_sparam.nodeName.u.wwn);
357 if (vport->phba->cfg_soft_wwpn)
358 u64_to_wwn(vport->phba->cfg_soft_wwpn,
359 vport->fc_sparam.portName.u.wwn);
362 * If the name is empty or there exists a soft name
363 * then copy the service params name, otherwise use the fc name
365 if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
366 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
367 sizeof(struct lpfc_name));
369 memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
370 sizeof(struct lpfc_name));
373 * If the port name has changed, then set the Param changes flag
376 if (vport->fc_portname.u.wwn[0] != 0 &&
377 memcmp(&vport->fc_portname, &vport->fc_sparam.portName,
378 sizeof(struct lpfc_name)))
379 vport->vport_flag |= FAWWPN_PARAM_CHG;
381 if (vport->fc_portname.u.wwn[0] == 0 ||
382 vport->phba->cfg_soft_wwpn ||
383 (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) ||
384 vport->vport_flag & FAWWPN_SET) {
385 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
386 sizeof(struct lpfc_name));
387 vport->vport_flag &= ~FAWWPN_SET;
388 if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR)
389 vport->vport_flag |= FAWWPN_SET;
392 memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
393 sizeof(struct lpfc_name));
397 * lpfc_config_port_post - Perform lpfc initialization after config port
398 * @phba: pointer to lpfc hba data structure.
400 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
401 * command call. It performs all internal resource and state setups on the
402 * port: post IOCB buffers, enable appropriate host interrupt attentions,
403 * ELS ring timers, etc.
407 * Any other value - error.
410 lpfc_config_port_post(struct lpfc_hba *phba)
412 struct lpfc_vport *vport = phba->pport;
413 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
416 struct lpfc_dmabuf *mp;
417 struct lpfc_sli *psli = &phba->sli;
418 uint32_t status, timeout;
422 spin_lock_irq(&phba->hbalock);
424 * If the Config port completed correctly the HBA is not
425 * over heated any more.
427 if (phba->over_temp_state == HBA_OVER_TEMP)
428 phba->over_temp_state = HBA_NORMAL_TEMP;
429 spin_unlock_irq(&phba->hbalock);
431 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
433 phba->link_state = LPFC_HBA_ERROR;
438 /* Get login parameters for NID. */
439 rc = lpfc_read_sparam(phba, pmb, 0);
441 mempool_free(pmb, phba->mbox_mem_pool);
446 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
447 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
448 "0448 Adapter failed init, mbxCmd x%x "
449 "READ_SPARM mbxStatus x%x\n",
450 mb->mbxCommand, mb->mbxStatus);
451 phba->link_state = LPFC_HBA_ERROR;
452 mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
453 mempool_free(pmb, phba->mbox_mem_pool);
454 lpfc_mbuf_free(phba, mp->virt, mp->phys);
459 mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
461 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
462 lpfc_mbuf_free(phba, mp->virt, mp->phys);
465 lpfc_update_vport_wwn(vport);
467 /* Update the fc_host data structures with new wwn. */
468 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
469 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
470 fc_host_max_npiv_vports(shost) = phba->max_vpi;
472 /* If no serial number in VPD data, use low 6 bytes of WWNN */
473 /* This should be consolidated into parse_vpd ? - mr */
474 if (phba->SerialNumber[0] == 0) {
477 outptr = &vport->fc_nodename.u.s.IEEE[0];
478 for (i = 0; i < 12; i++) {
480 j = ((status & 0xf0) >> 4);
482 phba->SerialNumber[i] =
483 (char)((uint8_t) 0x30 + (uint8_t) j);
485 phba->SerialNumber[i] =
486 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
490 phba->SerialNumber[i] =
491 (char)((uint8_t) 0x30 + (uint8_t) j);
493 phba->SerialNumber[i] =
494 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
498 lpfc_read_config(phba, pmb);
500 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
501 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
502 "0453 Adapter failed to init, mbxCmd x%x "
503 "READ_CONFIG, mbxStatus x%x\n",
504 mb->mbxCommand, mb->mbxStatus);
505 phba->link_state = LPFC_HBA_ERROR;
506 mempool_free( pmb, phba->mbox_mem_pool);
510 /* Check if the port is disabled */
511 lpfc_sli_read_link_ste(phba);
513 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
514 i = (mb->un.varRdConfig.max_xri + 1);
515 if (phba->cfg_hba_queue_depth > i) {
516 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
517 "3359 HBA queue depth changed from %d to %d\n",
518 phba->cfg_hba_queue_depth, i);
519 phba->cfg_hba_queue_depth = i;
522 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
523 i = (mb->un.varRdConfig.max_xri >> 3);
524 if (phba->pport->cfg_lun_queue_depth > i) {
525 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
526 "3360 LUN queue depth changed from %d to %d\n",
527 phba->pport->cfg_lun_queue_depth, i);
528 phba->pport->cfg_lun_queue_depth = i;
531 phba->lmt = mb->un.varRdConfig.lmt;
533 /* Get the default values for Model Name and Description */
534 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
536 phba->link_state = LPFC_LINK_DOWN;
538 /* Only process IOCBs on ELS ring till hba_state is READY */
539 if (psli->sli3_ring[LPFC_EXTRA_RING].sli.sli3.cmdringaddr)
540 psli->sli3_ring[LPFC_EXTRA_RING].flag |= LPFC_STOP_IOCB_EVENT;
541 if (psli->sli3_ring[LPFC_FCP_RING].sli.sli3.cmdringaddr)
542 psli->sli3_ring[LPFC_FCP_RING].flag |= LPFC_STOP_IOCB_EVENT;
544 /* Post receive buffers for desired rings */
545 if (phba->sli_rev != 3)
546 lpfc_post_rcv_buf(phba);
549 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
551 if (phba->intr_type == MSIX) {
552 rc = lpfc_config_msi(phba, pmb);
554 mempool_free(pmb, phba->mbox_mem_pool);
557 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
558 if (rc != MBX_SUCCESS) {
559 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
560 "0352 Config MSI mailbox command "
561 "failed, mbxCmd x%x, mbxStatus x%x\n",
562 pmb->u.mb.mbxCommand,
563 pmb->u.mb.mbxStatus);
564 mempool_free(pmb, phba->mbox_mem_pool);
569 spin_lock_irq(&phba->hbalock);
570 /* Initialize ERATT handling flag */
571 phba->hba_flag &= ~HBA_ERATT_HANDLED;
573 /* Enable appropriate host interrupts */
574 if (lpfc_readl(phba->HCregaddr, &status)) {
575 spin_unlock_irq(&phba->hbalock);
578 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
579 if (psli->num_rings > 0)
580 status |= HC_R0INT_ENA;
581 if (psli->num_rings > 1)
582 status |= HC_R1INT_ENA;
583 if (psli->num_rings > 2)
584 status |= HC_R2INT_ENA;
585 if (psli->num_rings > 3)
586 status |= HC_R3INT_ENA;
588 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
589 (phba->cfg_poll & DISABLE_FCP_RING_INT))
590 status &= ~(HC_R0INT_ENA);
592 writel(status, phba->HCregaddr);
593 readl(phba->HCregaddr); /* flush */
594 spin_unlock_irq(&phba->hbalock);
596 /* Set up ring-0 (ELS) timer */
597 timeout = phba->fc_ratov * 2;
598 mod_timer(&vport->els_tmofunc,
599 jiffies + msecs_to_jiffies(1000 * timeout));
600 /* Set up heart beat (HB) timer */
601 mod_timer(&phba->hb_tmofunc,
602 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
603 phba->hb_outstanding = 0;
604 phba->last_completion_time = jiffies;
605 /* Set up error attention (ERATT) polling timer */
606 mod_timer(&phba->eratt_poll,
607 jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval));
609 if (phba->hba_flag & LINK_DISABLED) {
610 lpfc_printf_log(phba,
612 "2598 Adapter Link is disabled.\n");
613 lpfc_down_link(phba, pmb);
614 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
615 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
616 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
617 lpfc_printf_log(phba,
619 "2599 Adapter failed to issue DOWN_LINK"
620 " mbox command rc 0x%x\n", rc);
622 mempool_free(pmb, phba->mbox_mem_pool);
625 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
626 mempool_free(pmb, phba->mbox_mem_pool);
627 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
631 /* MBOX buffer will be freed in mbox compl */
632 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
634 phba->link_state = LPFC_HBA_ERROR;
638 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
639 pmb->mbox_cmpl = lpfc_config_async_cmpl;
640 pmb->vport = phba->pport;
641 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
643 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
644 lpfc_printf_log(phba,
647 "0456 Adapter failed to issue "
648 "ASYNCEVT_ENABLE mbox status x%x\n",
650 mempool_free(pmb, phba->mbox_mem_pool);
653 /* Get Option rom version */
654 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
656 phba->link_state = LPFC_HBA_ERROR;
660 lpfc_dump_wakeup_param(phba, pmb);
661 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
662 pmb->vport = phba->pport;
663 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
665 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
666 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
667 "to get Option ROM version status x%x\n", rc);
668 mempool_free(pmb, phba->mbox_mem_pool);
675 * lpfc_hba_init_link - Initialize the FC link
676 * @phba: pointer to lpfc hba data structure.
677 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
679 * This routine will issue the INIT_LINK mailbox command call.
680 * It is available to other drivers through the lpfc_hba data
681 * structure for use as a delayed link up mechanism with the
682 * module parameter lpfc_suppress_link_up.
686 * Any other value - error
689 lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
691 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
695 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
696 * @phba: pointer to lpfc hba data structure.
697 * @fc_topology: desired fc topology.
698 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
700 * This routine will issue the INIT_LINK mailbox command call.
701 * It is available to other drivers through the lpfc_hba data
702 * structure for use as a delayed link up mechanism with the
703 * module parameter lpfc_suppress_link_up.
707 * Any other value - error
710 lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
713 struct lpfc_vport *vport = phba->pport;
718 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
720 phba->link_state = LPFC_HBA_ERROR;
726 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
727 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
728 !(phba->lmt & LMT_1Gb)) ||
729 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
730 !(phba->lmt & LMT_2Gb)) ||
731 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
732 !(phba->lmt & LMT_4Gb)) ||
733 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
734 !(phba->lmt & LMT_8Gb)) ||
735 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
736 !(phba->lmt & LMT_10Gb)) ||
737 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
738 !(phba->lmt & LMT_16Gb)) ||
739 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_32G) &&
740 !(phba->lmt & LMT_32Gb)) ||
741 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_64G) &&
742 !(phba->lmt & LMT_64Gb))) {
743 /* Reset link speed to auto */
744 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
745 "1302 Invalid speed for this board:%d "
746 "Reset link speed to auto.\n",
747 phba->cfg_link_speed);
748 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
750 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
751 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
752 if (phba->sli_rev < LPFC_SLI_REV4)
753 lpfc_set_loopback_flag(phba);
754 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
755 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
756 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
757 "0498 Adapter failed to init, mbxCmd x%x "
758 "INIT_LINK, mbxStatus x%x\n",
759 mb->mbxCommand, mb->mbxStatus);
760 if (phba->sli_rev <= LPFC_SLI_REV3) {
761 /* Clear all interrupt enable conditions */
762 writel(0, phba->HCregaddr);
763 readl(phba->HCregaddr); /* flush */
764 /* Clear all pending interrupts */
765 writel(0xffffffff, phba->HAregaddr);
766 readl(phba->HAregaddr); /* flush */
768 phba->link_state = LPFC_HBA_ERROR;
769 if (rc != MBX_BUSY || flag == MBX_POLL)
770 mempool_free(pmb, phba->mbox_mem_pool);
773 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
774 if (flag == MBX_POLL)
775 mempool_free(pmb, phba->mbox_mem_pool);
781 * lpfc_hba_down_link - this routine downs the FC link
782 * @phba: pointer to lpfc hba data structure.
783 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
785 * This routine will issue the DOWN_LINK mailbox command call.
786 * It is available to other drivers through the lpfc_hba data
787 * structure for use to stop the link.
791 * Any other value - error
794 lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
799 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
801 phba->link_state = LPFC_HBA_ERROR;
805 lpfc_printf_log(phba,
807 "0491 Adapter Link is disabled.\n");
808 lpfc_down_link(phba, pmb);
809 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
810 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
811 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
812 lpfc_printf_log(phba,
814 "2522 Adapter failed to issue DOWN_LINK"
815 " mbox command rc 0x%x\n", rc);
817 mempool_free(pmb, phba->mbox_mem_pool);
820 if (flag == MBX_POLL)
821 mempool_free(pmb, phba->mbox_mem_pool);
827 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
828 * @phba: pointer to lpfc HBA data structure.
830 * This routine will do LPFC uninitialization before the HBA is reset when
831 * bringing down the SLI Layer.
835 * Any other value - error.
838 lpfc_hba_down_prep(struct lpfc_hba *phba)
840 struct lpfc_vport **vports;
843 if (phba->sli_rev <= LPFC_SLI_REV3) {
844 /* Disable interrupts */
845 writel(0, phba->HCregaddr);
846 readl(phba->HCregaddr); /* flush */
849 if (phba->pport->load_flag & FC_UNLOADING)
850 lpfc_cleanup_discovery_resources(phba->pport);
852 vports = lpfc_create_vport_work_array(phba);
854 for (i = 0; i <= phba->max_vports &&
855 vports[i] != NULL; i++)
856 lpfc_cleanup_discovery_resources(vports[i]);
857 lpfc_destroy_vport_work_array(phba, vports);
863 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
864 * rspiocb which got deferred
866 * @phba: pointer to lpfc HBA data structure.
868 * This routine will cleanup completed slow path events after HBA is reset
869 * when bringing down the SLI Layer.
876 lpfc_sli4_free_sp_events(struct lpfc_hba *phba)
878 struct lpfc_iocbq *rspiocbq;
879 struct hbq_dmabuf *dmabuf;
880 struct lpfc_cq_event *cq_event;
882 spin_lock_irq(&phba->hbalock);
883 phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
884 spin_unlock_irq(&phba->hbalock);
886 while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
887 /* Get the response iocb from the head of work queue */
888 spin_lock_irq(&phba->hbalock);
889 list_remove_head(&phba->sli4_hba.sp_queue_event,
890 cq_event, struct lpfc_cq_event, list);
891 spin_unlock_irq(&phba->hbalock);
893 switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
894 case CQE_CODE_COMPL_WQE:
895 rspiocbq = container_of(cq_event, struct lpfc_iocbq,
897 lpfc_sli_release_iocbq(phba, rspiocbq);
899 case CQE_CODE_RECEIVE:
900 case CQE_CODE_RECEIVE_V1:
901 dmabuf = container_of(cq_event, struct hbq_dmabuf,
903 lpfc_in_buf_free(phba, &dmabuf->dbuf);
909 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
910 * @phba: pointer to lpfc HBA data structure.
912 * This routine will cleanup posted ELS buffers after the HBA is reset
913 * when bringing down the SLI Layer.
920 lpfc_hba_free_post_buf(struct lpfc_hba *phba)
922 struct lpfc_sli *psli = &phba->sli;
923 struct lpfc_sli_ring *pring;
924 struct lpfc_dmabuf *mp, *next_mp;
928 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
929 lpfc_sli_hbqbuf_free_all(phba);
931 /* Cleanup preposted buffers on the ELS ring */
932 pring = &psli->sli3_ring[LPFC_ELS_RING];
933 spin_lock_irq(&phba->hbalock);
934 list_splice_init(&pring->postbufq, &buflist);
935 spin_unlock_irq(&phba->hbalock);
938 list_for_each_entry_safe(mp, next_mp, &buflist, list) {
941 lpfc_mbuf_free(phba, mp->virt, mp->phys);
945 spin_lock_irq(&phba->hbalock);
946 pring->postbufq_cnt -= count;
947 spin_unlock_irq(&phba->hbalock);
952 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
953 * @phba: pointer to lpfc HBA data structure.
955 * This routine will cleanup the txcmplq after the HBA is reset when bringing
956 * down the SLI Layer.
962 lpfc_hba_clean_txcmplq(struct lpfc_hba *phba)
964 struct lpfc_sli *psli = &phba->sli;
965 struct lpfc_queue *qp = NULL;
966 struct lpfc_sli_ring *pring;
967 LIST_HEAD(completions);
969 struct lpfc_iocbq *piocb, *next_iocb;
971 if (phba->sli_rev != LPFC_SLI_REV4) {
972 for (i = 0; i < psli->num_rings; i++) {
973 pring = &psli->sli3_ring[i];
974 spin_lock_irq(&phba->hbalock);
975 /* At this point in time the HBA is either reset or DOA
976 * Nothing should be on txcmplq as it will
979 list_splice_init(&pring->txcmplq, &completions);
980 pring->txcmplq_cnt = 0;
981 spin_unlock_irq(&phba->hbalock);
983 lpfc_sli_abort_iocb_ring(phba, pring);
985 /* Cancel all the IOCBs from the completions list */
986 lpfc_sli_cancel_iocbs(phba, &completions,
987 IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED);
990 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
994 spin_lock_irq(&pring->ring_lock);
995 list_for_each_entry_safe(piocb, next_iocb,
996 &pring->txcmplq, list)
997 piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ;
998 list_splice_init(&pring->txcmplq, &completions);
999 pring->txcmplq_cnt = 0;
1000 spin_unlock_irq(&pring->ring_lock);
1001 lpfc_sli_abort_iocb_ring(phba, pring);
1003 /* Cancel all the IOCBs from the completions list */
1004 lpfc_sli_cancel_iocbs(phba, &completions,
1005 IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED);
1009 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
1011 * @phba: pointer to lpfc HBA data structure.
1013 * This routine will do uninitialization after the HBA is reset when bring
1014 * down the SLI Layer.
1018 * Any other value - error.
1021 lpfc_hba_down_post_s3(struct lpfc_hba *phba)
1023 lpfc_hba_free_post_buf(phba);
1024 lpfc_hba_clean_txcmplq(phba);
1029 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
1030 * @phba: pointer to lpfc HBA data structure.
1032 * This routine will do uninitialization after the HBA is reset when bring
1033 * down the SLI Layer.
1037 * Any other value - error.
1040 lpfc_hba_down_post_s4(struct lpfc_hba *phba)
1042 struct lpfc_io_buf *psb, *psb_next;
1043 struct lpfc_nvmet_rcv_ctx *ctxp, *ctxp_next;
1044 struct lpfc_sli4_hdw_queue *qp;
1046 LIST_HEAD(nvme_aborts);
1047 LIST_HEAD(nvmet_aborts);
1048 struct lpfc_sglq *sglq_entry = NULL;
1052 lpfc_sli_hbqbuf_free_all(phba);
1053 lpfc_hba_clean_txcmplq(phba);
1055 /* At this point in time the HBA is either reset or DOA. Either
1056 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1057 * on the lpfc_els_sgl_list so that it can either be freed if the
1058 * driver is unloading or reposted if the driver is restarting
1061 spin_lock_irq(&phba->hbalock); /* required for lpfc_els_sgl_list and */
1063 /* sgl_list_lock required because worker thread uses this
1066 spin_lock(&phba->sli4_hba.sgl_list_lock);
1067 list_for_each_entry(sglq_entry,
1068 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
1069 sglq_entry->state = SGL_FREED;
1071 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
1072 &phba->sli4_hba.lpfc_els_sgl_list);
1075 spin_unlock(&phba->sli4_hba.sgl_list_lock);
1077 /* abts_xxxx_buf_list_lock required because worker thread uses this
1081 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
1082 qp = &phba->sli4_hba.hdwq[idx];
1084 spin_lock(&qp->abts_scsi_buf_list_lock);
1085 list_splice_init(&qp->lpfc_abts_scsi_buf_list,
1088 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
1090 psb->status = IOSTAT_SUCCESS;
1093 spin_lock(&qp->io_buf_list_put_lock);
1094 list_splice_init(&aborts, &qp->lpfc_io_buf_list_put);
1095 qp->put_io_bufs += qp->abts_scsi_io_bufs;
1096 qp->abts_scsi_io_bufs = 0;
1097 spin_unlock(&qp->io_buf_list_put_lock);
1098 spin_unlock(&qp->abts_scsi_buf_list_lock);
1100 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
1101 spin_lock(&qp->abts_nvme_buf_list_lock);
1102 list_splice_init(&qp->lpfc_abts_nvme_buf_list,
1104 list_for_each_entry_safe(psb, psb_next, &nvme_aborts,
1107 psb->status = IOSTAT_SUCCESS;
1110 spin_lock(&qp->io_buf_list_put_lock);
1111 qp->put_io_bufs += qp->abts_nvme_io_bufs;
1112 qp->abts_nvme_io_bufs = 0;
1113 list_splice_init(&nvme_aborts,
1114 &qp->lpfc_io_buf_list_put);
1115 spin_unlock(&qp->io_buf_list_put_lock);
1116 spin_unlock(&qp->abts_nvme_buf_list_lock);
1121 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
1122 spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
1123 list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
1125 spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
1126 list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) {
1127 ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP);
1128 lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
1132 spin_unlock_irq(&phba->hbalock);
1133 lpfc_sli4_free_sp_events(phba);
1138 * lpfc_hba_down_post - Wrapper func for hba down post routine
1139 * @phba: pointer to lpfc HBA data structure.
1141 * This routine wraps the actual SLI3 or SLI4 routine for performing
1142 * uninitialization after the HBA is reset when bring down the SLI Layer.
1146 * Any other value - error.
1149 lpfc_hba_down_post(struct lpfc_hba *phba)
1151 return (*phba->lpfc_hba_down_post)(phba);
1155 * lpfc_hb_timeout - The HBA-timer timeout handler
1156 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1158 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1159 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1160 * work-port-events bitmap and the worker thread is notified. This timeout
1161 * event will be used by the worker thread to invoke the actual timeout
1162 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1163 * be performed in the timeout handler and the HBA timeout event bit shall
1164 * be cleared by the worker thread after it has taken the event bitmap out.
1167 lpfc_hb_timeout(struct timer_list *t)
1169 struct lpfc_hba *phba;
1170 uint32_t tmo_posted;
1171 unsigned long iflag;
1173 phba = from_timer(phba, t, hb_tmofunc);
1175 /* Check for heart beat timeout conditions */
1176 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1177 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
1179 phba->pport->work_port_events |= WORKER_HB_TMO;
1180 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1182 /* Tell the worker thread there is work to do */
1184 lpfc_worker_wake_up(phba);
1189 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1190 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1192 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1193 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1194 * work-port-events bitmap and the worker thread is notified. This timeout
1195 * event will be used by the worker thread to invoke the actual timeout
1196 * handler routine, lpfc_rrq_handler. Any periodical operations will
1197 * be performed in the timeout handler and the RRQ timeout event bit shall
1198 * be cleared by the worker thread after it has taken the event bitmap out.
1201 lpfc_rrq_timeout(struct timer_list *t)
1203 struct lpfc_hba *phba;
1204 unsigned long iflag;
1206 phba = from_timer(phba, t, rrq_tmr);
1207 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1208 if (!(phba->pport->load_flag & FC_UNLOADING))
1209 phba->hba_flag |= HBA_RRQ_ACTIVE;
1211 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
1212 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1214 if (!(phba->pport->load_flag & FC_UNLOADING))
1215 lpfc_worker_wake_up(phba);
1219 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1220 * @phba: pointer to lpfc hba data structure.
1221 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1223 * This is the callback function to the lpfc heart-beat mailbox command.
1224 * If configured, the lpfc driver issues the heart-beat mailbox command to
1225 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1226 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1227 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1228 * heart-beat outstanding state. Once the mailbox command comes back and
1229 * no error conditions detected, the heart-beat mailbox command timer is
1230 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1231 * state is cleared for the next heart-beat. If the timer expired with the
1232 * heart-beat outstanding state set, the driver will put the HBA offline.
1235 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1237 unsigned long drvr_flag;
1239 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1240 phba->hb_outstanding = 0;
1241 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1243 /* Check and reset heart-beat timer is necessary */
1244 mempool_free(pmboxq, phba->mbox_mem_pool);
1245 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1246 !(phba->link_state == LPFC_HBA_ERROR) &&
1247 !(phba->pport->load_flag & FC_UNLOADING))
1248 mod_timer(&phba->hb_tmofunc,
1250 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
1255 lpfc_hb_eq_delay_work(struct work_struct *work)
1257 struct lpfc_hba *phba = container_of(to_delayed_work(work),
1258 struct lpfc_hba, eq_delay_work);
1259 struct lpfc_eq_intr_info *eqi, *eqi_new;
1260 struct lpfc_queue *eq, *eq_next;
1261 unsigned char *eqcnt = NULL;
1265 if (!phba->cfg_auto_imax || phba->pport->load_flag & FC_UNLOADING)
1268 if (phba->link_state == LPFC_HBA_ERROR ||
1269 phba->pport->fc_flag & FC_OFFLINE_MODE)
1272 eqcnt = kcalloc(num_possible_cpus(), sizeof(unsigned char),
1277 for (i = 0; i < phba->cfg_irq_chann; i++) {
1278 eq = phba->sli4_hba.hdwq[i].hba_eq;
1279 if (eq && eqcnt[eq->last_cpu] < 2)
1280 eqcnt[eq->last_cpu]++;
1284 for_each_present_cpu(i) {
1285 if (phba->cfg_irq_chann > 1 && eqcnt[i] < 2)
1288 eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i);
1290 usdelay = (eqi->icnt / LPFC_IMAX_THRESHOLD) *
1292 if (usdelay > LPFC_MAX_AUTO_EQ_DELAY)
1293 usdelay = LPFC_MAX_AUTO_EQ_DELAY;
1297 list_for_each_entry_safe(eq, eq_next, &eqi->list, cpu_list) {
1298 if (eq->last_cpu != i) {
1299 eqi_new = per_cpu_ptr(phba->sli4_hba.eq_info,
1301 list_move_tail(&eq->cpu_list, &eqi_new->list);
1304 if (usdelay != eq->q_mode)
1305 lpfc_modify_hba_eq_delay(phba, eq->hdwq, 1,
1313 queue_delayed_work(phba->wq, &phba->eq_delay_work,
1314 msecs_to_jiffies(LPFC_EQ_DELAY_MSECS));
1318 * lpfc_hb_mxp_handler - Multi-XRI pools handler to adjust XRI distribution
1319 * @phba: pointer to lpfc hba data structure.
1321 * For each heartbeat, this routine does some heuristic methods to adjust
1322 * XRI distribution. The goal is to fully utilize free XRIs.
1324 static void lpfc_hb_mxp_handler(struct lpfc_hba *phba)
1329 hwq_count = phba->cfg_hdw_queue;
1330 for (i = 0; i < hwq_count; i++) {
1331 /* Adjust XRIs in private pool */
1332 lpfc_adjust_pvt_pool_count(phba, i);
1334 /* Adjust high watermark */
1335 lpfc_adjust_high_watermark(phba, i);
1337 #ifdef LPFC_MXP_STAT
1338 /* Snapshot pbl, pvt and busy count */
1339 lpfc_snapshot_mxp(phba, i);
1345 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1346 * @phba: pointer to lpfc hba data structure.
1348 * This is the actual HBA-timer timeout handler to be invoked by the worker
1349 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1350 * handler performs any periodic operations needed for the device. If such
1351 * periodic event has already been attended to either in the interrupt handler
1352 * or by processing slow-ring or fast-ring events within the HBA-timer
1353 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1354 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1355 * is configured and there is no heart-beat mailbox command outstanding, a
1356 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1357 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1361 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1363 struct lpfc_vport **vports;
1364 LPFC_MBOXQ_t *pmboxq;
1365 struct lpfc_dmabuf *buf_ptr;
1367 struct lpfc_sli *psli = &phba->sli;
1368 LIST_HEAD(completions);
1370 if (phba->cfg_xri_rebalancing) {
1371 /* Multi-XRI pools handler */
1372 lpfc_hb_mxp_handler(phba);
1375 vports = lpfc_create_vport_work_array(phba);
1377 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
1378 lpfc_rcv_seq_check_edtov(vports[i]);
1379 lpfc_fdmi_num_disc_check(vports[i]);
1381 lpfc_destroy_vport_work_array(phba, vports);
1383 if ((phba->link_state == LPFC_HBA_ERROR) ||
1384 (phba->pport->load_flag & FC_UNLOADING) ||
1385 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1388 spin_lock_irq(&phba->pport->work_port_lock);
1390 if (time_after(phba->last_completion_time +
1391 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
1393 spin_unlock_irq(&phba->pport->work_port_lock);
1394 if (!phba->hb_outstanding)
1395 mod_timer(&phba->hb_tmofunc,
1397 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
1399 mod_timer(&phba->hb_tmofunc,
1401 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
1404 spin_unlock_irq(&phba->pport->work_port_lock);
1406 if (phba->elsbuf_cnt &&
1407 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1408 spin_lock_irq(&phba->hbalock);
1409 list_splice_init(&phba->elsbuf, &completions);
1410 phba->elsbuf_cnt = 0;
1411 phba->elsbuf_prev_cnt = 0;
1412 spin_unlock_irq(&phba->hbalock);
1414 while (!list_empty(&completions)) {
1415 list_remove_head(&completions, buf_ptr,
1416 struct lpfc_dmabuf, list);
1417 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1421 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1423 /* If there is no heart beat outstanding, issue a heartbeat command */
1424 if (phba->cfg_enable_hba_heartbeat) {
1425 if (!phba->hb_outstanding) {
1426 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1427 (list_empty(&psli->mboxq))) {
1428 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1431 mod_timer(&phba->hb_tmofunc,
1433 msecs_to_jiffies(1000 *
1434 LPFC_HB_MBOX_INTERVAL));
1438 lpfc_heart_beat(phba, pmboxq);
1439 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1440 pmboxq->vport = phba->pport;
1441 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1444 if (retval != MBX_BUSY &&
1445 retval != MBX_SUCCESS) {
1446 mempool_free(pmboxq,
1447 phba->mbox_mem_pool);
1448 mod_timer(&phba->hb_tmofunc,
1450 msecs_to_jiffies(1000 *
1451 LPFC_HB_MBOX_INTERVAL));
1454 phba->skipped_hb = 0;
1455 phba->hb_outstanding = 1;
1456 } else if (time_before_eq(phba->last_completion_time,
1457 phba->skipped_hb)) {
1458 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1459 "2857 Last completion time not "
1460 " updated in %d ms\n",
1461 jiffies_to_msecs(jiffies
1462 - phba->last_completion_time));
1464 phba->skipped_hb = jiffies;
1466 mod_timer(&phba->hb_tmofunc,
1468 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
1472 * If heart beat timeout called with hb_outstanding set
1473 * we need to give the hb mailbox cmd a chance to
1476 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1477 "0459 Adapter heartbeat still out"
1478 "standing:last compl time was %d ms.\n",
1479 jiffies_to_msecs(jiffies
1480 - phba->last_completion_time));
1481 mod_timer(&phba->hb_tmofunc,
1483 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
1486 mod_timer(&phba->hb_tmofunc,
1488 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
1493 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1494 * @phba: pointer to lpfc hba data structure.
1496 * This routine is called to bring the HBA offline when HBA hardware error
1497 * other than Port Error 6 has been detected.
1500 lpfc_offline_eratt(struct lpfc_hba *phba)
1502 struct lpfc_sli *psli = &phba->sli;
1504 spin_lock_irq(&phba->hbalock);
1505 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1506 spin_unlock_irq(&phba->hbalock);
1507 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
1510 lpfc_reset_barrier(phba);
1511 spin_lock_irq(&phba->hbalock);
1512 lpfc_sli_brdreset(phba);
1513 spin_unlock_irq(&phba->hbalock);
1514 lpfc_hba_down_post(phba);
1515 lpfc_sli_brdready(phba, HS_MBRDY);
1516 lpfc_unblock_mgmt_io(phba);
1517 phba->link_state = LPFC_HBA_ERROR;
1522 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1523 * @phba: pointer to lpfc hba data structure.
1525 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1526 * other than Port Error 6 has been detected.
1529 lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1531 spin_lock_irq(&phba->hbalock);
1532 phba->link_state = LPFC_HBA_ERROR;
1533 spin_unlock_irq(&phba->hbalock);
1535 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
1537 lpfc_hba_down_post(phba);
1538 lpfc_unblock_mgmt_io(phba);
1542 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1543 * @phba: pointer to lpfc hba data structure.
1545 * This routine is invoked to handle the deferred HBA hardware error
1546 * conditions. This type of error is indicated by HBA by setting ER1
1547 * and another ER bit in the host status register. The driver will
1548 * wait until the ER1 bit clears before handling the error condition.
1551 lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1553 uint32_t old_host_status = phba->work_hs;
1554 struct lpfc_sli *psli = &phba->sli;
1556 /* If the pci channel is offline, ignore possible errors,
1557 * since we cannot communicate with the pci card anyway.
1559 if (pci_channel_offline(phba->pcidev)) {
1560 spin_lock_irq(&phba->hbalock);
1561 phba->hba_flag &= ~DEFER_ERATT;
1562 spin_unlock_irq(&phba->hbalock);
1566 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1567 "0479 Deferred Adapter Hardware Error "
1568 "Data: x%x x%x x%x\n",
1570 phba->work_status[0], phba->work_status[1]);
1572 spin_lock_irq(&phba->hbalock);
1573 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1574 spin_unlock_irq(&phba->hbalock);
1578 * Firmware stops when it triggred erratt. That could cause the I/Os
1579 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1580 * SCSI layer retry it after re-establishing link.
1582 lpfc_sli_abort_fcp_rings(phba);
1585 * There was a firmware error. Take the hba offline and then
1586 * attempt to restart it.
1588 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
1591 /* Wait for the ER1 bit to clear.*/
1592 while (phba->work_hs & HS_FFER1) {
1594 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1595 phba->work_hs = UNPLUG_ERR ;
1598 /* If driver is unloading let the worker thread continue */
1599 if (phba->pport->load_flag & FC_UNLOADING) {
1606 * This is to ptrotect against a race condition in which
1607 * first write to the host attention register clear the
1608 * host status register.
1610 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1611 phba->work_hs = old_host_status & ~HS_FFER1;
1613 spin_lock_irq(&phba->hbalock);
1614 phba->hba_flag &= ~DEFER_ERATT;
1615 spin_unlock_irq(&phba->hbalock);
1616 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1617 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1621 lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1623 struct lpfc_board_event_header board_event;
1624 struct Scsi_Host *shost;
1626 board_event.event_type = FC_REG_BOARD_EVENT;
1627 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1628 shost = lpfc_shost_from_vport(phba->pport);
1629 fc_host_post_vendor_event(shost, fc_get_event_number(),
1630 sizeof(board_event),
1631 (char *) &board_event,
1636 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1637 * @phba: pointer to lpfc hba data structure.
1639 * This routine is invoked to handle the following HBA hardware error
1641 * 1 - HBA error attention interrupt
1642 * 2 - DMA ring index out of range
1643 * 3 - Mailbox command came back as unknown
1646 lpfc_handle_eratt_s3(struct lpfc_hba *phba)
1648 struct lpfc_vport *vport = phba->pport;
1649 struct lpfc_sli *psli = &phba->sli;
1650 uint32_t event_data;
1651 unsigned long temperature;
1652 struct temp_event temp_event_data;
1653 struct Scsi_Host *shost;
1655 /* If the pci channel is offline, ignore possible errors,
1656 * since we cannot communicate with the pci card anyway.
1658 if (pci_channel_offline(phba->pcidev)) {
1659 spin_lock_irq(&phba->hbalock);
1660 phba->hba_flag &= ~DEFER_ERATT;
1661 spin_unlock_irq(&phba->hbalock);
1665 /* If resets are disabled then leave the HBA alone and return */
1666 if (!phba->cfg_enable_hba_reset)
1669 /* Send an internal error event to mgmt application */
1670 lpfc_board_errevt_to_mgmt(phba);
1672 if (phba->hba_flag & DEFER_ERATT)
1673 lpfc_handle_deferred_eratt(phba);
1675 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1676 if (phba->work_hs & HS_FFER6)
1677 /* Re-establishing Link */
1678 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1679 "1301 Re-establishing Link "
1680 "Data: x%x x%x x%x\n",
1681 phba->work_hs, phba->work_status[0],
1682 phba->work_status[1]);
1683 if (phba->work_hs & HS_FFER8)
1684 /* Device Zeroization */
1685 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1686 "2861 Host Authentication device "
1687 "zeroization Data:x%x x%x x%x\n",
1688 phba->work_hs, phba->work_status[0],
1689 phba->work_status[1]);
1691 spin_lock_irq(&phba->hbalock);
1692 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1693 spin_unlock_irq(&phba->hbalock);
1696 * Firmware stops when it triggled erratt with HS_FFER6.
1697 * That could cause the I/Os dropped by the firmware.
1698 * Error iocb (I/O) on txcmplq and let the SCSI layer
1699 * retry it after re-establishing link.
1701 lpfc_sli_abort_fcp_rings(phba);
1704 * There was a firmware error. Take the hba offline and then
1705 * attempt to restart it.
1707 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
1709 lpfc_sli_brdrestart(phba);
1710 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
1711 lpfc_unblock_mgmt_io(phba);
1714 lpfc_unblock_mgmt_io(phba);
1715 } else if (phba->work_hs & HS_CRIT_TEMP) {
1716 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1717 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1718 temp_event_data.event_code = LPFC_CRIT_TEMP;
1719 temp_event_data.data = (uint32_t)temperature;
1721 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1722 "0406 Adapter maximum temperature exceeded "
1723 "(%ld), taking this port offline "
1724 "Data: x%x x%x x%x\n",
1725 temperature, phba->work_hs,
1726 phba->work_status[0], phba->work_status[1]);
1728 shost = lpfc_shost_from_vport(phba->pport);
1729 fc_host_post_vendor_event(shost, fc_get_event_number(),
1730 sizeof(temp_event_data),
1731 (char *) &temp_event_data,
1732 SCSI_NL_VID_TYPE_PCI
1733 | PCI_VENDOR_ID_EMULEX);
1735 spin_lock_irq(&phba->hbalock);
1736 phba->over_temp_state = HBA_OVER_TEMP;
1737 spin_unlock_irq(&phba->hbalock);
1738 lpfc_offline_eratt(phba);
1741 /* The if clause above forces this code path when the status
1742 * failure is a value other than FFER6. Do not call the offline
1743 * twice. This is the adapter hardware error path.
1745 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1746 "0457 Adapter Hardware Error "
1747 "Data: x%x x%x x%x\n",
1749 phba->work_status[0], phba->work_status[1]);
1751 event_data = FC_REG_DUMP_EVENT;
1752 shost = lpfc_shost_from_vport(vport);
1753 fc_host_post_vendor_event(shost, fc_get_event_number(),
1754 sizeof(event_data), (char *) &event_data,
1755 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1757 lpfc_offline_eratt(phba);
1763 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1764 * @phba: pointer to lpfc hba data structure.
1765 * @mbx_action: flag for mailbox shutdown action.
1767 * This routine is invoked to perform an SLI4 port PCI function reset in
1768 * response to port status register polling attention. It waits for port
1769 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1770 * During this process, interrupt vectors are freed and later requested
1771 * for handling possible port resource change.
1774 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
1780 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
1781 LPFC_SLI_INTF_IF_TYPE_2) {
1783 * On error status condition, driver need to wait for port
1784 * ready before performing reset.
1786 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1791 /* need reset: attempt for port recovery */
1793 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1794 "2887 Reset Needed: Attempting Port "
1796 lpfc_offline_prep(phba, mbx_action);
1798 /* release interrupt for possible resource change */
1799 lpfc_sli4_disable_intr(phba);
1800 rc = lpfc_sli_brdrestart(phba);
1802 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1803 "6309 Failed to restart board\n");
1806 /* request and enable interrupt */
1807 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1808 if (intr_mode == LPFC_INTR_ERROR) {
1809 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1810 "3175 Failed to enable interrupt\n");
1813 phba->intr_mode = intr_mode;
1814 rc = lpfc_online(phba);
1816 lpfc_unblock_mgmt_io(phba);
1822 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1823 * @phba: pointer to lpfc hba data structure.
1825 * This routine is invoked to handle the SLI4 HBA hardware error attention
1829 lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1831 struct lpfc_vport *vport = phba->pport;
1832 uint32_t event_data;
1833 struct Scsi_Host *shost;
1835 struct lpfc_register portstat_reg = {0};
1836 uint32_t reg_err1, reg_err2;
1837 uint32_t uerrlo_reg, uemasklo_reg;
1838 uint32_t smphr_port_status = 0, pci_rd_rc1, pci_rd_rc2;
1839 bool en_rn_msg = true;
1840 struct temp_event temp_event_data;
1841 struct lpfc_register portsmphr_reg;
1844 /* If the pci channel is offline, ignore possible errors, since
1845 * we cannot communicate with the pci card anyway.
1847 if (pci_channel_offline(phba->pcidev))
1850 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
1851 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1853 case LPFC_SLI_INTF_IF_TYPE_0:
1854 pci_rd_rc1 = lpfc_readl(
1855 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1857 pci_rd_rc2 = lpfc_readl(
1858 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1860 /* consider PCI bus read error as pci_channel_offline */
1861 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1863 if (!(phba->hba_flag & HBA_RECOVERABLE_UE)) {
1864 lpfc_sli4_offline_eratt(phba);
1867 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1868 "7623 Checking UE recoverable");
1870 for (i = 0; i < phba->sli4_hba.ue_to_sr / 1000; i++) {
1871 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
1872 &portsmphr_reg.word0))
1875 smphr_port_status = bf_get(lpfc_port_smphr_port_status,
1877 if ((smphr_port_status & LPFC_PORT_SEM_MASK) ==
1878 LPFC_PORT_SEM_UE_RECOVERABLE)
1880 /*Sleep for 1Sec, before checking SEMAPHORE */
1884 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1885 "4827 smphr_port_status x%x : Waited %dSec",
1886 smphr_port_status, i);
1888 /* Recoverable UE, reset the HBA device */
1889 if ((smphr_port_status & LPFC_PORT_SEM_MASK) ==
1890 LPFC_PORT_SEM_UE_RECOVERABLE) {
1891 for (i = 0; i < 20; i++) {
1893 if (!lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
1894 &portsmphr_reg.word0) &&
1895 (LPFC_POST_STAGE_PORT_READY ==
1896 bf_get(lpfc_port_smphr_port_status,
1898 rc = lpfc_sli4_port_sta_fn_reset(phba,
1899 LPFC_MBX_NO_WAIT, en_rn_msg);
1902 lpfc_printf_log(phba,
1904 "4215 Failed to recover UE");
1909 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1910 "7624 Firmware not ready: Failing UE recovery,"
1911 " waited %dSec", i);
1912 lpfc_sli4_offline_eratt(phba);
1915 case LPFC_SLI_INTF_IF_TYPE_2:
1916 case LPFC_SLI_INTF_IF_TYPE_6:
1917 pci_rd_rc1 = lpfc_readl(
1918 phba->sli4_hba.u.if_type2.STATUSregaddr,
1919 &portstat_reg.word0);
1920 /* consider PCI bus read error as pci_channel_offline */
1921 if (pci_rd_rc1 == -EIO) {
1922 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1923 "3151 PCI bus read access failure: x%x\n",
1924 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
1927 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1928 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
1929 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1930 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1931 "2889 Port Overtemperature event, "
1932 "taking port offline Data: x%x x%x\n",
1933 reg_err1, reg_err2);
1935 phba->sfp_alarm |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE;
1936 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1937 temp_event_data.event_code = LPFC_CRIT_TEMP;
1938 temp_event_data.data = 0xFFFFFFFF;
1940 shost = lpfc_shost_from_vport(phba->pport);
1941 fc_host_post_vendor_event(shost, fc_get_event_number(),
1942 sizeof(temp_event_data),
1943 (char *)&temp_event_data,
1944 SCSI_NL_VID_TYPE_PCI
1945 | PCI_VENDOR_ID_EMULEX);
1947 spin_lock_irq(&phba->hbalock);
1948 phba->over_temp_state = HBA_OVER_TEMP;
1949 spin_unlock_irq(&phba->hbalock);
1950 lpfc_sli4_offline_eratt(phba);
1953 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1954 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
1955 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1956 "3143 Port Down: Firmware Update "
1959 } else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1960 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1961 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1962 "3144 Port Down: Debug Dump\n");
1963 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1964 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1965 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1966 "3145 Port Down: Provisioning\n");
1968 /* If resets are disabled then leave the HBA alone and return */
1969 if (!phba->cfg_enable_hba_reset)
1972 /* Check port status register for function reset */
1973 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
1976 /* don't report event on forced debug dump */
1977 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1978 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1983 /* fall through for not able to recover */
1984 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1985 "3152 Unrecoverable error, bring the port "
1987 lpfc_sli4_offline_eratt(phba);
1989 case LPFC_SLI_INTF_IF_TYPE_1:
1993 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1994 "3123 Report dump event to upper layer\n");
1995 /* Send an internal error event to mgmt application */
1996 lpfc_board_errevt_to_mgmt(phba);
1998 event_data = FC_REG_DUMP_EVENT;
1999 shost = lpfc_shost_from_vport(vport);
2000 fc_host_post_vendor_event(shost, fc_get_event_number(),
2001 sizeof(event_data), (char *) &event_data,
2002 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
2006 * lpfc_handle_eratt - Wrapper func for handling hba error attention
2007 * @phba: pointer to lpfc HBA data structure.
2009 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
2010 * routine from the API jump table function pointer from the lpfc_hba struct.
2014 * Any other value - error.
2017 lpfc_handle_eratt(struct lpfc_hba *phba)
2019 (*phba->lpfc_handle_eratt)(phba);
2023 * lpfc_handle_latt - The HBA link event handler
2024 * @phba: pointer to lpfc hba data structure.
2026 * This routine is invoked from the worker thread to handle a HBA host
2027 * attention link event. SLI3 only.
2030 lpfc_handle_latt(struct lpfc_hba *phba)
2032 struct lpfc_vport *vport = phba->pport;
2033 struct lpfc_sli *psli = &phba->sli;
2035 volatile uint32_t control;
2036 struct lpfc_dmabuf *mp;
2039 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2042 goto lpfc_handle_latt_err_exit;
2045 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2048 goto lpfc_handle_latt_free_pmb;
2051 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2054 goto lpfc_handle_latt_free_mp;
2057 /* Cleanup any outstanding ELS commands */
2058 lpfc_els_flush_all_cmd(phba);
2060 psli->slistat.link_event++;
2061 lpfc_read_topology(phba, pmb, mp);
2062 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2064 /* Block ELS IOCBs until we have processed this mbox command */
2065 phba->sli.sli3_ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
2066 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
2067 if (rc == MBX_NOT_FINISHED) {
2069 goto lpfc_handle_latt_free_mbuf;
2072 /* Clear Link Attention in HA REG */
2073 spin_lock_irq(&phba->hbalock);
2074 writel(HA_LATT, phba->HAregaddr);
2075 readl(phba->HAregaddr); /* flush */
2076 spin_unlock_irq(&phba->hbalock);
2080 lpfc_handle_latt_free_mbuf:
2081 phba->sli.sli3_ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
2082 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2083 lpfc_handle_latt_free_mp:
2085 lpfc_handle_latt_free_pmb:
2086 mempool_free(pmb, phba->mbox_mem_pool);
2087 lpfc_handle_latt_err_exit:
2088 /* Enable Link attention interrupts */
2089 spin_lock_irq(&phba->hbalock);
2090 psli->sli_flag |= LPFC_PROCESS_LA;
2091 control = readl(phba->HCregaddr);
2092 control |= HC_LAINT_ENA;
2093 writel(control, phba->HCregaddr);
2094 readl(phba->HCregaddr); /* flush */
2096 /* Clear Link Attention in HA REG */
2097 writel(HA_LATT, phba->HAregaddr);
2098 readl(phba->HAregaddr); /* flush */
2099 spin_unlock_irq(&phba->hbalock);
2100 lpfc_linkdown(phba);
2101 phba->link_state = LPFC_HBA_ERROR;
2103 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
2104 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
2110 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
2111 * @phba: pointer to lpfc hba data structure.
2112 * @vpd: pointer to the vital product data.
2113 * @len: length of the vital product data in bytes.
2115 * This routine parses the Vital Product Data (VPD). The VPD is treated as
2116 * an array of characters. In this routine, the ModelName, ProgramType, and
2117 * ModelDesc, etc. fields of the phba data structure will be populated.
2120 * 0 - pointer to the VPD passed in is NULL
2124 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
2126 uint8_t lenlo, lenhi;
2136 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2137 "0455 Vital Product Data: x%x x%x x%x x%x\n",
2138 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
2140 while (!finished && (index < (len - 4))) {
2141 switch (vpd[index]) {
2149 i = ((((unsigned short)lenhi) << 8) + lenlo);
2158 Length = ((((unsigned short)lenhi) << 8) + lenlo);
2159 if (Length > len - index)
2160 Length = len - index;
2161 while (Length > 0) {
2162 /* Look for Serial Number */
2163 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
2170 phba->SerialNumber[j++] = vpd[index++];
2174 phba->SerialNumber[j] = 0;
2177 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
2178 phba->vpd_flag |= VPD_MODEL_DESC;
2185 phba->ModelDesc[j++] = vpd[index++];
2189 phba->ModelDesc[j] = 0;
2192 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
2193 phba->vpd_flag |= VPD_MODEL_NAME;
2200 phba->ModelName[j++] = vpd[index++];
2204 phba->ModelName[j] = 0;
2207 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
2208 phba->vpd_flag |= VPD_PROGRAM_TYPE;
2215 phba->ProgramType[j++] = vpd[index++];
2219 phba->ProgramType[j] = 0;
2222 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
2223 phba->vpd_flag |= VPD_PORT;
2230 if ((phba->sli_rev == LPFC_SLI_REV4) &&
2231 (phba->sli4_hba.pport_name_sta ==
2232 LPFC_SLI4_PPNAME_GET)) {
2236 phba->Port[j++] = vpd[index++];
2240 if ((phba->sli_rev != LPFC_SLI_REV4) ||
2241 (phba->sli4_hba.pport_name_sta ==
2242 LPFC_SLI4_PPNAME_NON))
2269 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
2270 * @phba: pointer to lpfc hba data structure.
2271 * @mdp: pointer to the data structure to hold the derived model name.
2272 * @descp: pointer to the data structure to hold the derived description.
2274 * This routine retrieves HBA's description based on its registered PCI device
2275 * ID. The @descp passed into this function points to an array of 256 chars. It
2276 * shall be returned with the model name, maximum speed, and the host bus type.
2277 * The @mdp passed into this function points to an array of 80 chars. When the
2278 * function returns, the @mdp will be filled with the model name.
2281 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
2284 uint16_t dev_id = phba->pcidev->device;
2287 int oneConnect = 0; /* default is not a oneConnect */
2292 } m = {"<Unknown>", "", ""};
2294 if (mdp && mdp[0] != '\0'
2295 && descp && descp[0] != '\0')
2298 if (phba->lmt & LMT_64Gb)
2300 else if (phba->lmt & LMT_32Gb)
2302 else if (phba->lmt & LMT_16Gb)
2304 else if (phba->lmt & LMT_10Gb)
2306 else if (phba->lmt & LMT_8Gb)
2308 else if (phba->lmt & LMT_4Gb)
2310 else if (phba->lmt & LMT_2Gb)
2312 else if (phba->lmt & LMT_1Gb)
2320 case PCI_DEVICE_ID_FIREFLY:
2321 m = (typeof(m)){"LP6000", "PCI",
2322 "Obsolete, Unsupported Fibre Channel Adapter"};
2324 case PCI_DEVICE_ID_SUPERFLY:
2325 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
2326 m = (typeof(m)){"LP7000", "PCI", ""};
2328 m = (typeof(m)){"LP7000E", "PCI", ""};
2329 m.function = "Obsolete, Unsupported Fibre Channel Adapter";
2331 case PCI_DEVICE_ID_DRAGONFLY:
2332 m = (typeof(m)){"LP8000", "PCI",
2333 "Obsolete, Unsupported Fibre Channel Adapter"};
2335 case PCI_DEVICE_ID_CENTAUR:
2336 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
2337 m = (typeof(m)){"LP9002", "PCI", ""};
2339 m = (typeof(m)){"LP9000", "PCI", ""};
2340 m.function = "Obsolete, Unsupported Fibre Channel Adapter";
2342 case PCI_DEVICE_ID_RFLY:
2343 m = (typeof(m)){"LP952", "PCI",
2344 "Obsolete, Unsupported Fibre Channel Adapter"};
2346 case PCI_DEVICE_ID_PEGASUS:
2347 m = (typeof(m)){"LP9802", "PCI-X",
2348 "Obsolete, Unsupported Fibre Channel Adapter"};
2350 case PCI_DEVICE_ID_THOR:
2351 m = (typeof(m)){"LP10000", "PCI-X",
2352 "Obsolete, Unsupported Fibre Channel Adapter"};
2354 case PCI_DEVICE_ID_VIPER:
2355 m = (typeof(m)){"LPX1000", "PCI-X",
2356 "Obsolete, Unsupported Fibre Channel Adapter"};
2358 case PCI_DEVICE_ID_PFLY:
2359 m = (typeof(m)){"LP982", "PCI-X",
2360 "Obsolete, Unsupported Fibre Channel Adapter"};
2362 case PCI_DEVICE_ID_TFLY:
2363 m = (typeof(m)){"LP1050", "PCI-X",
2364 "Obsolete, Unsupported Fibre Channel Adapter"};
2366 case PCI_DEVICE_ID_HELIOS:
2367 m = (typeof(m)){"LP11000", "PCI-X2",
2368 "Obsolete, Unsupported Fibre Channel Adapter"};
2370 case PCI_DEVICE_ID_HELIOS_SCSP:
2371 m = (typeof(m)){"LP11000-SP", "PCI-X2",
2372 "Obsolete, Unsupported Fibre Channel Adapter"};
2374 case PCI_DEVICE_ID_HELIOS_DCSP:
2375 m = (typeof(m)){"LP11002-SP", "PCI-X2",
2376 "Obsolete, Unsupported Fibre Channel Adapter"};
2378 case PCI_DEVICE_ID_NEPTUNE:
2379 m = (typeof(m)){"LPe1000", "PCIe",
2380 "Obsolete, Unsupported Fibre Channel Adapter"};
2382 case PCI_DEVICE_ID_NEPTUNE_SCSP:
2383 m = (typeof(m)){"LPe1000-SP", "PCIe",
2384 "Obsolete, Unsupported Fibre Channel Adapter"};
2386 case PCI_DEVICE_ID_NEPTUNE_DCSP:
2387 m = (typeof(m)){"LPe1002-SP", "PCIe",
2388 "Obsolete, Unsupported Fibre Channel Adapter"};
2390 case PCI_DEVICE_ID_BMID:
2391 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2393 case PCI_DEVICE_ID_BSMB:
2394 m = (typeof(m)){"LP111", "PCI-X2",
2395 "Obsolete, Unsupported Fibre Channel Adapter"};
2397 case PCI_DEVICE_ID_ZEPHYR:
2398 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2400 case PCI_DEVICE_ID_ZEPHYR_SCSP:
2401 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2403 case PCI_DEVICE_ID_ZEPHYR_DCSP:
2404 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
2407 case PCI_DEVICE_ID_ZMID:
2408 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2410 case PCI_DEVICE_ID_ZSMB:
2411 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2413 case PCI_DEVICE_ID_LP101:
2414 m = (typeof(m)){"LP101", "PCI-X",
2415 "Obsolete, Unsupported Fibre Channel Adapter"};
2417 case PCI_DEVICE_ID_LP10000S:
2418 m = (typeof(m)){"LP10000-S", "PCI",
2419 "Obsolete, Unsupported Fibre Channel Adapter"};
2421 case PCI_DEVICE_ID_LP11000S:
2422 m = (typeof(m)){"LP11000-S", "PCI-X2",
2423 "Obsolete, Unsupported Fibre Channel Adapter"};
2425 case PCI_DEVICE_ID_LPE11000S:
2426 m = (typeof(m)){"LPe11000-S", "PCIe",
2427 "Obsolete, Unsupported Fibre Channel Adapter"};
2429 case PCI_DEVICE_ID_SAT:
2430 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2432 case PCI_DEVICE_ID_SAT_MID:
2433 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2435 case PCI_DEVICE_ID_SAT_SMB:
2436 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2438 case PCI_DEVICE_ID_SAT_DCSP:
2439 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2441 case PCI_DEVICE_ID_SAT_SCSP:
2442 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2444 case PCI_DEVICE_ID_SAT_S:
2445 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2447 case PCI_DEVICE_ID_HORNET:
2448 m = (typeof(m)){"LP21000", "PCIe",
2449 "Obsolete, Unsupported FCoE Adapter"};
2452 case PCI_DEVICE_ID_PROTEUS_VF:
2453 m = (typeof(m)){"LPev12000", "PCIe IOV",
2454 "Obsolete, Unsupported Fibre Channel Adapter"};
2456 case PCI_DEVICE_ID_PROTEUS_PF:
2457 m = (typeof(m)){"LPev12000", "PCIe IOV",
2458 "Obsolete, Unsupported Fibre Channel Adapter"};
2460 case PCI_DEVICE_ID_PROTEUS_S:
2461 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
2462 "Obsolete, Unsupported Fibre Channel Adapter"};
2464 case PCI_DEVICE_ID_TIGERSHARK:
2466 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
2468 case PCI_DEVICE_ID_TOMCAT:
2470 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2472 case PCI_DEVICE_ID_FALCON:
2473 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2474 "EmulexSecure Fibre"};
2476 case PCI_DEVICE_ID_BALIUS:
2477 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
2478 "Obsolete, Unsupported Fibre Channel Adapter"};
2480 case PCI_DEVICE_ID_LANCER_FC:
2481 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2483 case PCI_DEVICE_ID_LANCER_FC_VF:
2484 m = (typeof(m)){"LPe16000", "PCIe",
2485 "Obsolete, Unsupported Fibre Channel Adapter"};
2487 case PCI_DEVICE_ID_LANCER_FCOE:
2489 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
2491 case PCI_DEVICE_ID_LANCER_FCOE_VF:
2493 m = (typeof(m)){"OCe15100", "PCIe",
2494 "Obsolete, Unsupported FCoE"};
2496 case PCI_DEVICE_ID_LANCER_G6_FC:
2497 m = (typeof(m)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
2499 case PCI_DEVICE_ID_LANCER_G7_FC:
2500 m = (typeof(m)){"LPe36000", "PCIe", "Fibre Channel Adapter"};
2502 case PCI_DEVICE_ID_SKYHAWK:
2503 case PCI_DEVICE_ID_SKYHAWK_VF:
2505 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2508 m = (typeof(m)){"Unknown", "", ""};
2512 if (mdp && mdp[0] == '\0')
2513 snprintf(mdp, 79,"%s", m.name);
2515 * oneConnect hba requires special processing, they are all initiators
2516 * and we put the port number on the end
2518 if (descp && descp[0] == '\0') {
2520 snprintf(descp, 255,
2521 "Emulex OneConnect %s, %s Initiator %s",
2524 else if (max_speed == 0)
2525 snprintf(descp, 255,
2527 m.name, m.bus, m.function);
2529 snprintf(descp, 255,
2530 "Emulex %s %d%s %s %s",
2531 m.name, max_speed, (GE) ? "GE" : "Gb",
2537 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2538 * @phba: pointer to lpfc hba data structure.
2539 * @pring: pointer to a IOCB ring.
2540 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2542 * This routine posts a given number of IOCBs with the associated DMA buffer
2543 * descriptors specified by the cnt argument to the given IOCB ring.
2546 * The number of IOCBs NOT able to be posted to the IOCB ring.
2549 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
2552 struct lpfc_iocbq *iocb;
2553 struct lpfc_dmabuf *mp1, *mp2;
2555 cnt += pring->missbufcnt;
2557 /* While there are buffers to post */
2559 /* Allocate buffer for command iocb */
2560 iocb = lpfc_sli_get_iocbq(phba);
2562 pring->missbufcnt = cnt;
2567 /* 2 buffers can be posted per command */
2568 /* Allocate buffer to post */
2569 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2571 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2572 if (!mp1 || !mp1->virt) {
2574 lpfc_sli_release_iocbq(phba, iocb);
2575 pring->missbufcnt = cnt;
2579 INIT_LIST_HEAD(&mp1->list);
2580 /* Allocate buffer to post */
2582 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2584 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2586 if (!mp2 || !mp2->virt) {
2588 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2590 lpfc_sli_release_iocbq(phba, iocb);
2591 pring->missbufcnt = cnt;
2595 INIT_LIST_HEAD(&mp2->list);
2600 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2601 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2602 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2603 icmd->ulpBdeCount = 1;
2606 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2607 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2608 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2610 icmd->ulpBdeCount = 2;
2613 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2616 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2618 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2622 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2626 lpfc_sli_release_iocbq(phba, iocb);
2627 pring->missbufcnt = cnt;
2630 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
2632 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
2634 pring->missbufcnt = 0;
2639 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2640 * @phba: pointer to lpfc hba data structure.
2642 * This routine posts initial receive IOCB buffers to the ELS ring. The
2643 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2644 * set to 64 IOCBs. SLI3 only.
2647 * 0 - success (currently always success)
2650 lpfc_post_rcv_buf(struct lpfc_hba *phba)
2652 struct lpfc_sli *psli = &phba->sli;
2654 /* Ring 0, ELS / CT buffers */
2655 lpfc_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0);
2656 /* Ring 2 - FCP no buffers needed */
2661 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2664 * lpfc_sha_init - Set up initial array of hash table entries
2665 * @HashResultPointer: pointer to an array as hash table.
2667 * This routine sets up the initial values to the array of hash table entries
2671 lpfc_sha_init(uint32_t * HashResultPointer)
2673 HashResultPointer[0] = 0x67452301;
2674 HashResultPointer[1] = 0xEFCDAB89;
2675 HashResultPointer[2] = 0x98BADCFE;
2676 HashResultPointer[3] = 0x10325476;
2677 HashResultPointer[4] = 0xC3D2E1F0;
2681 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2682 * @HashResultPointer: pointer to an initial/result hash table.
2683 * @HashWorkingPointer: pointer to an working hash table.
2685 * This routine iterates an initial hash table pointed by @HashResultPointer
2686 * with the values from the working hash table pointeed by @HashWorkingPointer.
2687 * The results are putting back to the initial hash table, returned through
2688 * the @HashResultPointer as the result hash table.
2691 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2695 uint32_t A, B, C, D, E;
2698 HashWorkingPointer[t] =
2700 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2702 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2703 } while (++t <= 79);
2705 A = HashResultPointer[0];
2706 B = HashResultPointer[1];
2707 C = HashResultPointer[2];
2708 D = HashResultPointer[3];
2709 E = HashResultPointer[4];
2713 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2714 } else if (t < 40) {
2715 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2716 } else if (t < 60) {
2717 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2719 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2721 TEMP += S(5, A) + E + HashWorkingPointer[t];
2727 } while (++t <= 79);
2729 HashResultPointer[0] += A;
2730 HashResultPointer[1] += B;
2731 HashResultPointer[2] += C;
2732 HashResultPointer[3] += D;
2733 HashResultPointer[4] += E;
2738 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2739 * @RandomChallenge: pointer to the entry of host challenge random number array.
2740 * @HashWorking: pointer to the entry of the working hash array.
2742 * This routine calculates the working hash array referred by @HashWorking
2743 * from the challenge random numbers associated with the host, referred by
2744 * @RandomChallenge. The result is put into the entry of the working hash
2745 * array and returned by reference through @HashWorking.
2748 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2750 *HashWorking = (*RandomChallenge ^ *HashWorking);
2754 * lpfc_hba_init - Perform special handling for LC HBA initialization
2755 * @phba: pointer to lpfc hba data structure.
2756 * @hbainit: pointer to an array of unsigned 32-bit integers.
2758 * This routine performs the special handling for LC HBA initialization.
2761 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2764 uint32_t *HashWorking;
2765 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
2767 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
2771 HashWorking[0] = HashWorking[78] = *pwwnn++;
2772 HashWorking[1] = HashWorking[79] = *pwwnn;
2774 for (t = 0; t < 7; t++)
2775 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2777 lpfc_sha_init(hbainit);
2778 lpfc_sha_iterate(hbainit, HashWorking);
2783 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2784 * @vport: pointer to a virtual N_Port data structure.
2786 * This routine performs the necessary cleanups before deleting the @vport.
2787 * It invokes the discovery state machine to perform necessary state
2788 * transitions and to release the ndlps associated with the @vport. Note,
2789 * the physical port is treated as @vport 0.
2792 lpfc_cleanup(struct lpfc_vport *vport)
2794 struct lpfc_hba *phba = vport->phba;
2795 struct lpfc_nodelist *ndlp, *next_ndlp;
2798 if (phba->link_state > LPFC_LINK_DOWN)
2799 lpfc_port_link_failure(vport);
2801 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
2802 if (!NLP_CHK_NODE_ACT(ndlp)) {
2803 ndlp = lpfc_enable_node(vport, ndlp,
2804 NLP_STE_UNUSED_NODE);
2807 spin_lock_irq(&phba->ndlp_lock);
2808 NLP_SET_FREE_REQ(ndlp);
2809 spin_unlock_irq(&phba->ndlp_lock);
2810 /* Trigger the release of the ndlp memory */
2814 spin_lock_irq(&phba->ndlp_lock);
2815 if (NLP_CHK_FREE_REQ(ndlp)) {
2816 /* The ndlp should not be in memory free mode already */
2817 spin_unlock_irq(&phba->ndlp_lock);
2820 /* Indicate request for freeing ndlp memory */
2821 NLP_SET_FREE_REQ(ndlp);
2822 spin_unlock_irq(&phba->ndlp_lock);
2824 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2825 ndlp->nlp_DID == Fabric_DID) {
2826 /* Just free up ndlp with Fabric_DID for vports */
2831 /* take care of nodes in unused state before the state
2832 * machine taking action.
2834 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2839 if (ndlp->nlp_type & NLP_FABRIC)
2840 lpfc_disc_state_machine(vport, ndlp, NULL,
2841 NLP_EVT_DEVICE_RECOVERY);
2843 lpfc_disc_state_machine(vport, ndlp, NULL,
2847 /* At this point, ALL ndlp's should be gone
2848 * because of the previous NLP_EVT_DEVICE_RM.
2849 * Lets wait for this to happen, if needed.
2851 while (!list_empty(&vport->fc_nodes)) {
2853 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
2854 "0233 Nodelist not empty\n");
2855 list_for_each_entry_safe(ndlp, next_ndlp,
2856 &vport->fc_nodes, nlp_listp) {
2857 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2859 "0282 did:x%x ndlp:x%p "
2860 "usgmap:x%x refcnt:%d\n",
2861 ndlp->nlp_DID, (void *)ndlp,
2863 kref_read(&ndlp->kref));
2868 /* Wait for any activity on ndlps to settle */
2871 lpfc_cleanup_vports_rrqs(vport, NULL);
2875 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2876 * @vport: pointer to a virtual N_Port data structure.
2878 * This routine stops all the timers associated with a @vport. This function
2879 * is invoked before disabling or deleting a @vport. Note that the physical
2880 * port is treated as @vport 0.
2883 lpfc_stop_vport_timers(struct lpfc_vport *vport)
2885 del_timer_sync(&vport->els_tmofunc);
2886 del_timer_sync(&vport->delayed_disc_tmo);
2887 lpfc_can_disctmo(vport);
2892 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2893 * @phba: pointer to lpfc hba data structure.
2895 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2896 * caller of this routine should already hold the host lock.
2899 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2901 /* Clear pending FCF rediscovery wait flag */
2902 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2904 /* Now, try to stop the timer */
2905 del_timer(&phba->fcf.redisc_wait);
2909 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2910 * @phba: pointer to lpfc hba data structure.
2912 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2913 * checks whether the FCF rediscovery wait timer is pending with the host
2914 * lock held before proceeding with disabling the timer and clearing the
2915 * wait timer pendig flag.
2918 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2920 spin_lock_irq(&phba->hbalock);
2921 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2922 /* FCF rediscovery timer already fired or stopped */
2923 spin_unlock_irq(&phba->hbalock);
2926 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
2927 /* Clear failover in progress flags */
2928 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
2929 spin_unlock_irq(&phba->hbalock);
2933 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2934 * @phba: pointer to lpfc hba data structure.
2936 * This routine stops all the timers associated with a HBA. This function is
2937 * invoked before either putting a HBA offline or unloading the driver.
2940 lpfc_stop_hba_timers(struct lpfc_hba *phba)
2943 lpfc_stop_vport_timers(phba->pport);
2944 cancel_delayed_work_sync(&phba->eq_delay_work);
2945 del_timer_sync(&phba->sli.mbox_tmo);
2946 del_timer_sync(&phba->fabric_block_timer);
2947 del_timer_sync(&phba->eratt_poll);
2948 del_timer_sync(&phba->hb_tmofunc);
2949 if (phba->sli_rev == LPFC_SLI_REV4) {
2950 del_timer_sync(&phba->rrq_tmr);
2951 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2953 phba->hb_outstanding = 0;
2955 switch (phba->pci_dev_grp) {
2956 case LPFC_PCI_DEV_LP:
2957 /* Stop any LightPulse device specific driver timers */
2958 del_timer_sync(&phba->fcp_poll_timer);
2960 case LPFC_PCI_DEV_OC:
2961 /* Stop any OneConnect device sepcific driver timers */
2962 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
2965 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2966 "0297 Invalid device group (x%x)\n",
2974 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2975 * @phba: pointer to lpfc hba data structure.
2977 * This routine marks a HBA's management interface as blocked. Once the HBA's
2978 * management interface is marked as blocked, all the user space access to
2979 * the HBA, whether they are from sysfs interface or libdfc interface will
2980 * all be blocked. The HBA is set to block the management interface when the
2981 * driver prepares the HBA interface for online or offline.
2984 lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
2986 unsigned long iflag;
2987 uint8_t actcmd = MBX_HEARTBEAT;
2988 unsigned long timeout;
2990 spin_lock_irqsave(&phba->hbalock, iflag);
2991 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
2992 spin_unlock_irqrestore(&phba->hbalock, iflag);
2993 if (mbx_action == LPFC_MBX_NO_WAIT)
2995 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2996 spin_lock_irqsave(&phba->hbalock, iflag);
2997 if (phba->sli.mbox_active) {
2998 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
2999 /* Determine how long we might wait for the active mailbox
3000 * command to be gracefully completed by firmware.
3002 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
3003 phba->sli.mbox_active) * 1000) + jiffies;
3005 spin_unlock_irqrestore(&phba->hbalock, iflag);
3007 /* Wait for the outstnading mailbox command to complete */
3008 while (phba->sli.mbox_active) {
3009 /* Check active mailbox complete status every 2ms */
3011 if (time_after(jiffies, timeout)) {
3012 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3013 "2813 Mgmt IO is Blocked %x "
3014 "- mbox cmd %x still active\n",
3015 phba->sli.sli_flag, actcmd);
3022 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
3023 * @phba: pointer to lpfc hba data structure.
3025 * Allocate RPIs for all active remote nodes. This is needed whenever
3026 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
3027 * is to fixup the temporary rpi assignments.
3030 lpfc_sli4_node_prep(struct lpfc_hba *phba)
3032 struct lpfc_nodelist *ndlp, *next_ndlp;
3033 struct lpfc_vport **vports;
3035 unsigned long flags;
3037 if (phba->sli_rev != LPFC_SLI_REV4)
3040 vports = lpfc_create_vport_work_array(phba);
3044 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
3045 if (vports[i]->load_flag & FC_UNLOADING)
3048 list_for_each_entry_safe(ndlp, next_ndlp,
3049 &vports[i]->fc_nodes,
3051 if (!NLP_CHK_NODE_ACT(ndlp))
3053 rpi = lpfc_sli4_alloc_rpi(phba);
3054 if (rpi == LPFC_RPI_ALLOC_ERROR) {
3055 spin_lock_irqsave(&phba->ndlp_lock, flags);
3056 NLP_CLR_NODE_ACT(ndlp);
3057 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
3060 ndlp->nlp_rpi = rpi;
3061 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
3062 "0009 rpi:%x DID:%x "
3063 "flg:%x map:%x %p\n", ndlp->nlp_rpi,
3064 ndlp->nlp_DID, ndlp->nlp_flag,
3065 ndlp->nlp_usg_map, ndlp);
3068 lpfc_destroy_vport_work_array(phba, vports);
3072 * lpfc_create_expedite_pool - create expedite pool
3073 * @phba: pointer to lpfc hba data structure.
3075 * This routine moves a batch of XRIs from lpfc_io_buf_list_put of HWQ 0
3076 * to expedite pool. Mark them as expedite.
3078 void lpfc_create_expedite_pool(struct lpfc_hba *phba)
3080 struct lpfc_sli4_hdw_queue *qp;
3081 struct lpfc_io_buf *lpfc_ncmd;
3082 struct lpfc_io_buf *lpfc_ncmd_next;
3083 struct lpfc_epd_pool *epd_pool;
3084 unsigned long iflag;
3086 epd_pool = &phba->epd_pool;
3087 qp = &phba->sli4_hba.hdwq[0];
3089 spin_lock_init(&epd_pool->lock);
3090 spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag);
3091 spin_lock(&epd_pool->lock);
3092 INIT_LIST_HEAD(&epd_pool->list);
3093 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3094 &qp->lpfc_io_buf_list_put, list) {
3095 list_move_tail(&lpfc_ncmd->list, &epd_pool->list);
3096 lpfc_ncmd->expedite = true;
3099 if (epd_pool->count >= XRI_BATCH)
3102 spin_unlock(&epd_pool->lock);
3103 spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag);
3107 * lpfc_destroy_expedite_pool - destroy expedite pool
3108 * @phba: pointer to lpfc hba data structure.
3110 * This routine returns XRIs from expedite pool to lpfc_io_buf_list_put
3111 * of HWQ 0. Clear the mark.
3113 void lpfc_destroy_expedite_pool(struct lpfc_hba *phba)
3115 struct lpfc_sli4_hdw_queue *qp;
3116 struct lpfc_io_buf *lpfc_ncmd;
3117 struct lpfc_io_buf *lpfc_ncmd_next;
3118 struct lpfc_epd_pool *epd_pool;
3119 unsigned long iflag;
3121 epd_pool = &phba->epd_pool;
3122 qp = &phba->sli4_hba.hdwq[0];
3124 spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag);
3125 spin_lock(&epd_pool->lock);
3126 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3127 &epd_pool->list, list) {
3128 list_move_tail(&lpfc_ncmd->list,
3129 &qp->lpfc_io_buf_list_put);
3130 lpfc_ncmd->flags = false;
3134 spin_unlock(&epd_pool->lock);
3135 spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag);
3139 * lpfc_create_multixri_pools - create multi-XRI pools
3140 * @phba: pointer to lpfc hba data structure.
3142 * This routine initialize public, private per HWQ. Then, move XRIs from
3143 * lpfc_io_buf_list_put to public pool. High and low watermark are also
3146 void lpfc_create_multixri_pools(struct lpfc_hba *phba)
3151 struct lpfc_io_buf *lpfc_ncmd;
3152 struct lpfc_io_buf *lpfc_ncmd_next;
3153 unsigned long iflag;
3154 struct lpfc_sli4_hdw_queue *qp;
3155 struct lpfc_multixri_pool *multixri_pool;
3156 struct lpfc_pbl_pool *pbl_pool;
3157 struct lpfc_pvt_pool *pvt_pool;
3159 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3160 "1234 num_hdw_queue=%d num_present_cpu=%d common_xri_cnt=%d\n",
3161 phba->cfg_hdw_queue, phba->sli4_hba.num_present_cpu,
3162 phba->sli4_hba.io_xri_cnt);
3164 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3165 lpfc_create_expedite_pool(phba);
3167 hwq_count = phba->cfg_hdw_queue;
3168 count_per_hwq = phba->sli4_hba.io_xri_cnt / hwq_count;
3170 for (i = 0; i < hwq_count; i++) {
3171 multixri_pool = kzalloc(sizeof(*multixri_pool), GFP_KERNEL);
3173 if (!multixri_pool) {
3174 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3175 "1238 Failed to allocate memory for "
3178 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3179 lpfc_destroy_expedite_pool(phba);
3183 qp = &phba->sli4_hba.hdwq[j];
3184 kfree(qp->p_multixri_pool);
3187 phba->cfg_xri_rebalancing = 0;
3191 qp = &phba->sli4_hba.hdwq[i];
3192 qp->p_multixri_pool = multixri_pool;
3194 multixri_pool->xri_limit = count_per_hwq;
3195 multixri_pool->rrb_next_hwqid = i;
3197 /* Deal with public free xri pool */
3198 pbl_pool = &multixri_pool->pbl_pool;
3199 spin_lock_init(&pbl_pool->lock);
3200 spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag);
3201 spin_lock(&pbl_pool->lock);
3202 INIT_LIST_HEAD(&pbl_pool->list);
3203 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3204 &qp->lpfc_io_buf_list_put, list) {
3205 list_move_tail(&lpfc_ncmd->list, &pbl_pool->list);
3209 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3210 "1235 Moved %d buffers from PUT list over to pbl_pool[%d]\n",
3211 pbl_pool->count, i);
3212 spin_unlock(&pbl_pool->lock);
3213 spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag);
3215 /* Deal with private free xri pool */
3216 pvt_pool = &multixri_pool->pvt_pool;
3217 pvt_pool->high_watermark = multixri_pool->xri_limit / 2;
3218 pvt_pool->low_watermark = XRI_BATCH;
3219 spin_lock_init(&pvt_pool->lock);
3220 spin_lock_irqsave(&pvt_pool->lock, iflag);
3221 INIT_LIST_HEAD(&pvt_pool->list);
3222 pvt_pool->count = 0;
3223 spin_unlock_irqrestore(&pvt_pool->lock, iflag);
3228 * lpfc_destroy_multixri_pools - destroy multi-XRI pools
3229 * @phba: pointer to lpfc hba data structure.
3231 * This routine returns XRIs from public/private to lpfc_io_buf_list_put.
3233 void lpfc_destroy_multixri_pools(struct lpfc_hba *phba)
3237 struct lpfc_io_buf *lpfc_ncmd;
3238 struct lpfc_io_buf *lpfc_ncmd_next;
3239 unsigned long iflag;
3240 struct lpfc_sli4_hdw_queue *qp;
3241 struct lpfc_multixri_pool *multixri_pool;
3242 struct lpfc_pbl_pool *pbl_pool;
3243 struct lpfc_pvt_pool *pvt_pool;
3245 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3246 lpfc_destroy_expedite_pool(phba);
3248 hwq_count = phba->cfg_hdw_queue;
3250 for (i = 0; i < hwq_count; i++) {
3251 qp = &phba->sli4_hba.hdwq[i];
3252 multixri_pool = qp->p_multixri_pool;
3256 qp->p_multixri_pool = NULL;
3258 spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag);
3260 /* Deal with public free xri pool */
3261 pbl_pool = &multixri_pool->pbl_pool;
3262 spin_lock(&pbl_pool->lock);
3264 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3265 "1236 Moving %d buffers from pbl_pool[%d] TO PUT list\n",
3266 pbl_pool->count, i);
3268 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3269 &pbl_pool->list, list) {
3270 list_move_tail(&lpfc_ncmd->list,
3271 &qp->lpfc_io_buf_list_put);
3276 INIT_LIST_HEAD(&pbl_pool->list);
3277 pbl_pool->count = 0;
3279 spin_unlock(&pbl_pool->lock);
3281 /* Deal with private free xri pool */
3282 pvt_pool = &multixri_pool->pvt_pool;
3283 spin_lock(&pvt_pool->lock);
3285 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3286 "1237 Moving %d buffers from pvt_pool[%d] TO PUT list\n",
3287 pvt_pool->count, i);
3289 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3290 &pvt_pool->list, list) {
3291 list_move_tail(&lpfc_ncmd->list,
3292 &qp->lpfc_io_buf_list_put);
3297 INIT_LIST_HEAD(&pvt_pool->list);
3298 pvt_pool->count = 0;
3300 spin_unlock(&pvt_pool->lock);
3301 spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag);
3303 kfree(multixri_pool);
3308 * lpfc_online - Initialize and bring a HBA online
3309 * @phba: pointer to lpfc hba data structure.
3311 * This routine initializes the HBA and brings a HBA online. During this
3312 * process, the management interface is blocked to prevent user space access
3313 * to the HBA interfering with the driver initialization.
3320 lpfc_online(struct lpfc_hba *phba)
3322 struct lpfc_vport *vport;
3323 struct lpfc_vport **vports;
3325 bool vpis_cleared = false;
3329 vport = phba->pport;
3331 if (!(vport->fc_flag & FC_OFFLINE_MODE))
3334 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
3335 "0458 Bring Adapter online\n");
3337 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
3339 if (phba->sli_rev == LPFC_SLI_REV4) {
3340 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
3341 lpfc_unblock_mgmt_io(phba);
3344 spin_lock_irq(&phba->hbalock);
3345 if (!phba->sli4_hba.max_cfg_param.vpi_used)
3346 vpis_cleared = true;
3347 spin_unlock_irq(&phba->hbalock);
3349 /* Reestablish the local initiator port.
3350 * The offline process destroyed the previous lport.
3352 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME &&
3353 !phba->nvmet_support) {
3354 error = lpfc_nvme_create_localport(phba->pport);
3356 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3357 "6132 NVME restore reg failed "
3358 "on nvmei error x%x\n", error);
3361 lpfc_sli_queue_init(phba);
3362 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
3363 lpfc_unblock_mgmt_io(phba);
3368 vports = lpfc_create_vport_work_array(phba);
3369 if (vports != NULL) {
3370 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
3371 struct Scsi_Host *shost;
3372 shost = lpfc_shost_from_vport(vports[i]);
3373 spin_lock_irq(shost->host_lock);
3374 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
3375 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
3376 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
3377 if (phba->sli_rev == LPFC_SLI_REV4) {
3378 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
3379 if ((vpis_cleared) &&
3380 (vports[i]->port_type !=
3381 LPFC_PHYSICAL_PORT))
3384 spin_unlock_irq(shost->host_lock);
3387 lpfc_destroy_vport_work_array(phba, vports);
3389 if (phba->cfg_xri_rebalancing)
3390 lpfc_create_multixri_pools(phba);
3392 lpfc_unblock_mgmt_io(phba);
3397 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
3398 * @phba: pointer to lpfc hba data structure.
3400 * This routine marks a HBA's management interface as not blocked. Once the
3401 * HBA's management interface is marked as not blocked, all the user space
3402 * access to the HBA, whether they are from sysfs interface or libdfc
3403 * interface will be allowed. The HBA is set to block the management interface
3404 * when the driver prepares the HBA interface for online or offline and then
3405 * set to unblock the management interface afterwards.
3408 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
3410 unsigned long iflag;
3412 spin_lock_irqsave(&phba->hbalock, iflag);
3413 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
3414 spin_unlock_irqrestore(&phba->hbalock, iflag);
3418 * lpfc_offline_prep - Prepare a HBA to be brought offline
3419 * @phba: pointer to lpfc hba data structure.
3421 * This routine is invoked to prepare a HBA to be brought offline. It performs
3422 * unregistration login to all the nodes on all vports and flushes the mailbox
3423 * queue to make it ready to be brought offline.
3426 lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
3428 struct lpfc_vport *vport = phba->pport;
3429 struct lpfc_nodelist *ndlp, *next_ndlp;
3430 struct lpfc_vport **vports;
3431 struct Scsi_Host *shost;
3434 if (vport->fc_flag & FC_OFFLINE_MODE)
3437 lpfc_block_mgmt_io(phba, mbx_action);
3439 lpfc_linkdown(phba);
3441 /* Issue an unreg_login to all nodes on all vports */
3442 vports = lpfc_create_vport_work_array(phba);
3443 if (vports != NULL) {
3444 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
3445 if (vports[i]->load_flag & FC_UNLOADING)
3447 shost = lpfc_shost_from_vport(vports[i]);
3448 spin_lock_irq(shost->host_lock);
3449 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
3450 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
3451 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
3452 spin_unlock_irq(shost->host_lock);
3454 shost = lpfc_shost_from_vport(vports[i]);
3455 list_for_each_entry_safe(ndlp, next_ndlp,
3456 &vports[i]->fc_nodes,
3458 if (!NLP_CHK_NODE_ACT(ndlp))
3460 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
3462 if (ndlp->nlp_type & NLP_FABRIC) {
3463 lpfc_disc_state_machine(vports[i], ndlp,
3464 NULL, NLP_EVT_DEVICE_RECOVERY);
3465 lpfc_disc_state_machine(vports[i], ndlp,
3466 NULL, NLP_EVT_DEVICE_RM);
3468 spin_lock_irq(shost->host_lock);
3469 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
3470 spin_unlock_irq(shost->host_lock);
3472 * Whenever an SLI4 port goes offline, free the
3473 * RPI. Get a new RPI when the adapter port
3474 * comes back online.
3476 if (phba->sli_rev == LPFC_SLI_REV4) {
3477 lpfc_printf_vlog(ndlp->vport,
3478 KERN_INFO, LOG_NODE,
3479 "0011 lpfc_offline: "
3481 "usgmap:x%x rpi:%x\n",
3482 ndlp, ndlp->nlp_DID,
3486 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
3488 lpfc_unreg_rpi(vports[i], ndlp);
3492 lpfc_destroy_vport_work_array(phba, vports);
3494 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
3497 flush_workqueue(phba->wq);
3501 * lpfc_offline - Bring a HBA offline
3502 * @phba: pointer to lpfc hba data structure.
3504 * This routine actually brings a HBA offline. It stops all the timers
3505 * associated with the HBA, brings down the SLI layer, and eventually
3506 * marks the HBA as in offline state for the upper layer protocol.
3509 lpfc_offline(struct lpfc_hba *phba)
3511 struct Scsi_Host *shost;
3512 struct lpfc_vport **vports;
3515 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
3518 /* stop port and all timers associated with this hba */
3519 lpfc_stop_port(phba);
3521 /* Tear down the local and target port registrations. The
3522 * nvme transports need to cleanup.
3524 lpfc_nvmet_destroy_targetport(phba);
3525 lpfc_nvme_destroy_localport(phba->pport);
3527 vports = lpfc_create_vport_work_array(phba);
3529 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
3530 lpfc_stop_vport_timers(vports[i]);
3531 lpfc_destroy_vport_work_array(phba, vports);
3532 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
3533 "0460 Bring Adapter offline\n");
3534 /* Bring down the SLI Layer and cleanup. The HBA is offline
3536 lpfc_sli_hba_down(phba);
3537 spin_lock_irq(&phba->hbalock);
3539 spin_unlock_irq(&phba->hbalock);
3540 vports = lpfc_create_vport_work_array(phba);
3542 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
3543 shost = lpfc_shost_from_vport(vports[i]);
3544 spin_lock_irq(shost->host_lock);
3545 vports[i]->work_port_events = 0;
3546 vports[i]->fc_flag |= FC_OFFLINE_MODE;
3547 spin_unlock_irq(shost->host_lock);
3549 lpfc_destroy_vport_work_array(phba, vports);
3551 if (phba->cfg_xri_rebalancing)
3552 lpfc_destroy_multixri_pools(phba);
3556 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
3557 * @phba: pointer to lpfc hba data structure.
3559 * This routine is to free all the SCSI buffers and IOCBs from the driver
3560 * list back to kernel. It is called from lpfc_pci_remove_one to free
3561 * the internal resources before the device is removed from the system.
3564 lpfc_scsi_free(struct lpfc_hba *phba)
3566 struct lpfc_io_buf *sb, *sb_next;
3568 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
3571 spin_lock_irq(&phba->hbalock);
3573 /* Release all the lpfc_scsi_bufs maintained by this host. */
3575 spin_lock(&phba->scsi_buf_list_put_lock);
3576 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
3578 list_del(&sb->list);
3579 dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
3582 phba->total_scsi_bufs--;
3584 spin_unlock(&phba->scsi_buf_list_put_lock);
3586 spin_lock(&phba->scsi_buf_list_get_lock);
3587 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
3589 list_del(&sb->list);
3590 dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
3593 phba->total_scsi_bufs--;
3595 spin_unlock(&phba->scsi_buf_list_get_lock);
3596 spin_unlock_irq(&phba->hbalock);
3600 * lpfc_io_free - Free all the IO buffers and IOCBs from driver lists
3601 * @phba: pointer to lpfc hba data structure.
3603 * This routine is to free all the IO buffers and IOCBs from the driver
3604 * list back to kernel. It is called from lpfc_pci_remove_one to free
3605 * the internal resources before the device is removed from the system.
3608 lpfc_io_free(struct lpfc_hba *phba)
3610 struct lpfc_io_buf *lpfc_ncmd, *lpfc_ncmd_next;
3611 struct lpfc_sli4_hdw_queue *qp;
3614 spin_lock_irq(&phba->hbalock);
3616 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
3617 qp = &phba->sli4_hba.hdwq[idx];
3618 /* Release all the lpfc_nvme_bufs maintained by this host. */
3619 spin_lock(&qp->io_buf_list_put_lock);
3620 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3621 &qp->lpfc_io_buf_list_put,
3623 list_del(&lpfc_ncmd->list);
3625 dma_pool_free(phba->lpfc_sg_dma_buf_pool,
3626 lpfc_ncmd->data, lpfc_ncmd->dma_handle);
3628 qp->total_io_bufs--;
3630 spin_unlock(&qp->io_buf_list_put_lock);
3632 spin_lock(&qp->io_buf_list_get_lock);
3633 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
3634 &qp->lpfc_io_buf_list_get,
3636 list_del(&lpfc_ncmd->list);
3638 dma_pool_free(phba->lpfc_sg_dma_buf_pool,
3639 lpfc_ncmd->data, lpfc_ncmd->dma_handle);
3641 qp->total_io_bufs--;
3643 spin_unlock(&qp->io_buf_list_get_lock);
3646 spin_unlock_irq(&phba->hbalock);
3650 * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping
3651 * @phba: pointer to lpfc hba data structure.
3653 * This routine first calculates the sizes of the current els and allocated
3654 * scsi sgl lists, and then goes through all sgls to updates the physical
3655 * XRIs assigned due to port function reset. During port initialization, the
3656 * current els and allocated scsi sgl lists are 0s.
3659 * 0 - successful (for now, it always returns 0)
3662 lpfc_sli4_els_sgl_update(struct lpfc_hba *phba)
3664 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
3665 uint16_t i, lxri, xri_cnt, els_xri_cnt;
3666 LIST_HEAD(els_sgl_list);
3670 * update on pci function's els xri-sgl list
3672 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
3674 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
3675 /* els xri-sgl expanded */
3676 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
3677 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3678 "3157 ELS xri-sgl count increased from "
3679 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
3681 /* allocate the additional els sgls */
3682 for (i = 0; i < xri_cnt; i++) {
3683 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
3685 if (sglq_entry == NULL) {
3686 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3687 "2562 Failure to allocate an "
3688 "ELS sgl entry:%d\n", i);
3692 sglq_entry->buff_type = GEN_BUFF_TYPE;
3693 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
3695 if (sglq_entry->virt == NULL) {
3697 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3698 "2563 Failure to allocate an "
3699 "ELS mbuf:%d\n", i);
3703 sglq_entry->sgl = sglq_entry->virt;
3704 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
3705 sglq_entry->state = SGL_FREED;
3706 list_add_tail(&sglq_entry->list, &els_sgl_list);
3708 spin_lock_irq(&phba->hbalock);
3709 spin_lock(&phba->sli4_hba.sgl_list_lock);
3710 list_splice_init(&els_sgl_list,
3711 &phba->sli4_hba.lpfc_els_sgl_list);
3712 spin_unlock(&phba->sli4_hba.sgl_list_lock);
3713 spin_unlock_irq(&phba->hbalock);
3714 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
3715 /* els xri-sgl shrinked */
3716 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
3717 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3718 "3158 ELS xri-sgl count decreased from "
3719 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
3721 spin_lock_irq(&phba->hbalock);
3722 spin_lock(&phba->sli4_hba.sgl_list_lock);
3723 list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list,
3725 /* release extra els sgls from list */
3726 for (i = 0; i < xri_cnt; i++) {
3727 list_remove_head(&els_sgl_list,
3728 sglq_entry, struct lpfc_sglq, list);
3730 __lpfc_mbuf_free(phba, sglq_entry->virt,
3735 list_splice_init(&els_sgl_list,
3736 &phba->sli4_hba.lpfc_els_sgl_list);
3737 spin_unlock(&phba->sli4_hba.sgl_list_lock);
3738 spin_unlock_irq(&phba->hbalock);
3740 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3741 "3163 ELS xri-sgl count unchanged: %d\n",
3743 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
3745 /* update xris to els sgls on the list */
3747 sglq_entry_next = NULL;
3748 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
3749 &phba->sli4_hba.lpfc_els_sgl_list, list) {
3750 lxri = lpfc_sli4_next_xritag(phba);
3751 if (lxri == NO_XRI) {
3752 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3753 "2400 Failed to allocate xri for "
3758 sglq_entry->sli4_lxritag = lxri;
3759 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3764 lpfc_free_els_sgl_list(phba);
3769 * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping
3770 * @phba: pointer to lpfc hba data structure.
3772 * This routine first calculates the sizes of the current els and allocated
3773 * scsi sgl lists, and then goes through all sgls to updates the physical
3774 * XRIs assigned due to port function reset. During port initialization, the
3775 * current els and allocated scsi sgl lists are 0s.
3778 * 0 - successful (for now, it always returns 0)
3781 lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba)
3783 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
3784 uint16_t i, lxri, xri_cnt, els_xri_cnt;
3785 uint16_t nvmet_xri_cnt;
3786 LIST_HEAD(nvmet_sgl_list);
3790 * update on pci function's nvmet xri-sgl list
3792 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
3794 /* For NVMET, ALL remaining XRIs are dedicated for IO processing */
3795 nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
3796 if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) {
3797 /* els xri-sgl expanded */
3798 xri_cnt = nvmet_xri_cnt - phba->sli4_hba.nvmet_xri_cnt;
3799 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3800 "6302 NVMET xri-sgl cnt grew from %d to %d\n",
3801 phba->sli4_hba.nvmet_xri_cnt, nvmet_xri_cnt);
3802 /* allocate the additional nvmet sgls */
3803 for (i = 0; i < xri_cnt; i++) {
3804 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
3806 if (sglq_entry == NULL) {
3807 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3808 "6303 Failure to allocate an "
3809 "NVMET sgl entry:%d\n", i);
3813 sglq_entry->buff_type = NVMET_BUFF_TYPE;
3814 sglq_entry->virt = lpfc_nvmet_buf_alloc(phba, 0,
3816 if (sglq_entry->virt == NULL) {
3818 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3819 "6304 Failure to allocate an "
3820 "NVMET buf:%d\n", i);
3824 sglq_entry->sgl = sglq_entry->virt;
3825 memset(sglq_entry->sgl, 0,
3826 phba->cfg_sg_dma_buf_size);
3827 sglq_entry->state = SGL_FREED;
3828 list_add_tail(&sglq_entry->list, &nvmet_sgl_list);
3830 spin_lock_irq(&phba->hbalock);
3831 spin_lock(&phba->sli4_hba.sgl_list_lock);
3832 list_splice_init(&nvmet_sgl_list,
3833 &phba->sli4_hba.lpfc_nvmet_sgl_list);
3834 spin_unlock(&phba->sli4_hba.sgl_list_lock);
3835 spin_unlock_irq(&phba->hbalock);
3836 } else if (nvmet_xri_cnt < phba->sli4_hba.nvmet_xri_cnt) {
3837 /* nvmet xri-sgl shrunk */
3838 xri_cnt = phba->sli4_hba.nvmet_xri_cnt - nvmet_xri_cnt;
3839 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3840 "6305 NVMET xri-sgl count decreased from "
3841 "%d to %d\n", phba->sli4_hba.nvmet_xri_cnt,
3843 spin_lock_irq(&phba->hbalock);
3844 spin_lock(&phba->sli4_hba.sgl_list_lock);
3845 list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list,
3847 /* release extra nvmet sgls from list */
3848 for (i = 0; i < xri_cnt; i++) {
3849 list_remove_head(&nvmet_sgl_list,
3850 sglq_entry, struct lpfc_sglq, list);
3852 lpfc_nvmet_buf_free(phba, sglq_entry->virt,
3857 list_splice_init(&nvmet_sgl_list,
3858 &phba->sli4_hba.lpfc_nvmet_sgl_list);
3859 spin_unlock(&phba->sli4_hba.sgl_list_lock);
3860 spin_unlock_irq(&phba->hbalock);
3862 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3863 "6306 NVMET xri-sgl count unchanged: %d\n",
3865 phba->sli4_hba.nvmet_xri_cnt = nvmet_xri_cnt;
3867 /* update xris to nvmet sgls on the list */
3869 sglq_entry_next = NULL;
3870 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
3871 &phba->sli4_hba.lpfc_nvmet_sgl_list, list) {
3872 lxri = lpfc_sli4_next_xritag(phba);
3873 if (lxri == NO_XRI) {
3874 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3875 "6307 Failed to allocate xri for "
3880 sglq_entry->sli4_lxritag = lxri;
3881 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3886 lpfc_free_nvmet_sgl_list(phba);
3891 lpfc_io_buf_flush(struct lpfc_hba *phba, struct list_head *cbuf)
3894 struct lpfc_sli4_hdw_queue *qp;
3895 struct lpfc_io_buf *lpfc_cmd;
3896 struct lpfc_io_buf *iobufp, *prev_iobufp;
3897 int idx, cnt, xri, inserted;
3900 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
3901 qp = &phba->sli4_hba.hdwq[idx];
3902 spin_lock_irq(&qp->io_buf_list_get_lock);
3903 spin_lock(&qp->io_buf_list_put_lock);
3905 /* Take everything off the get and put lists */
3906 list_splice_init(&qp->lpfc_io_buf_list_get, &blist);
3907 list_splice(&qp->lpfc_io_buf_list_put, &blist);
3908 INIT_LIST_HEAD(&qp->lpfc_io_buf_list_get);
3909 INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put);
3910 cnt += qp->get_io_bufs + qp->put_io_bufs;
3911 qp->get_io_bufs = 0;
3912 qp->put_io_bufs = 0;
3913 qp->total_io_bufs = 0;
3914 spin_unlock(&qp->io_buf_list_put_lock);
3915 spin_unlock_irq(&qp->io_buf_list_get_lock);
3919 * Take IO buffers off blist and put on cbuf sorted by XRI.
3920 * This is because POST_SGL takes a sequential range of XRIs
3921 * to post to the firmware.
3923 for (idx = 0; idx < cnt; idx++) {
3924 list_remove_head(&blist, lpfc_cmd, struct lpfc_io_buf, list);
3928 list_add_tail(&lpfc_cmd->list, cbuf);
3931 xri = lpfc_cmd->cur_iocbq.sli4_xritag;
3934 list_for_each_entry(iobufp, cbuf, list) {
3935 if (xri < iobufp->cur_iocbq.sli4_xritag) {
3937 list_add(&lpfc_cmd->list,
3938 &prev_iobufp->list);
3940 list_add(&lpfc_cmd->list, cbuf);
3944 prev_iobufp = iobufp;
3947 list_add_tail(&lpfc_cmd->list, cbuf);
3953 lpfc_io_buf_replenish(struct lpfc_hba *phba, struct list_head *cbuf)
3955 struct lpfc_sli4_hdw_queue *qp;
3956 struct lpfc_io_buf *lpfc_cmd;
3959 qp = phba->sli4_hba.hdwq;
3961 while (!list_empty(cbuf)) {
3962 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
3963 list_remove_head(cbuf, lpfc_cmd,
3964 struct lpfc_io_buf, list);
3968 qp = &phba->sli4_hba.hdwq[idx];
3969 lpfc_cmd->hdwq_no = idx;
3970 lpfc_cmd->hdwq = qp;
3971 lpfc_cmd->cur_iocbq.wqe_cmpl = NULL;
3972 lpfc_cmd->cur_iocbq.iocb_cmpl = NULL;
3973 spin_lock(&qp->io_buf_list_put_lock);
3974 list_add_tail(&lpfc_cmd->list,
3975 &qp->lpfc_io_buf_list_put);
3977 qp->total_io_bufs++;
3978 spin_unlock(&qp->io_buf_list_put_lock);
3985 * lpfc_sli4_io_sgl_update - update xri-sgl sizing and mapping
3986 * @phba: pointer to lpfc hba data structure.
3988 * This routine first calculates the sizes of the current els and allocated
3989 * scsi sgl lists, and then goes through all sgls to updates the physical
3990 * XRIs assigned due to port function reset. During port initialization, the
3991 * current els and allocated scsi sgl lists are 0s.
3994 * 0 - successful (for now, it always returns 0)
3997 lpfc_sli4_io_sgl_update(struct lpfc_hba *phba)
3999 struct lpfc_io_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL;
4000 uint16_t i, lxri, els_xri_cnt;
4001 uint16_t io_xri_cnt, io_xri_max;
4002 LIST_HEAD(io_sgl_list);
4006 * update on pci function's allocated nvme xri-sgl list
4009 /* maximum number of xris available for nvme buffers */
4010 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
4011 io_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
4012 phba->sli4_hba.io_xri_max = io_xri_max;
4014 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4015 "6074 Current allocated XRI sgl count:%d, "
4016 "maximum XRI count:%d\n",
4017 phba->sli4_hba.io_xri_cnt,
4018 phba->sli4_hba.io_xri_max);
4020 cnt = lpfc_io_buf_flush(phba, &io_sgl_list);
4022 if (phba->sli4_hba.io_xri_cnt > phba->sli4_hba.io_xri_max) {
4023 /* max nvme xri shrunk below the allocated nvme buffers */
4024 io_xri_cnt = phba->sli4_hba.io_xri_cnt -
4025 phba->sli4_hba.io_xri_max;
4026 /* release the extra allocated nvme buffers */
4027 for (i = 0; i < io_xri_cnt; i++) {
4028 list_remove_head(&io_sgl_list, lpfc_ncmd,
4029 struct lpfc_io_buf, list);
4031 dma_pool_free(phba->lpfc_sg_dma_buf_pool,
4033 lpfc_ncmd->dma_handle);
4037 phba->sli4_hba.io_xri_cnt -= io_xri_cnt;
4040 /* update xris associated to remaining allocated nvme buffers */
4042 lpfc_ncmd_next = NULL;
4043 phba->sli4_hba.io_xri_cnt = cnt;
4044 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
4045 &io_sgl_list, list) {
4046 lxri = lpfc_sli4_next_xritag(phba);
4047 if (lxri == NO_XRI) {
4048 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4049 "6075 Failed to allocate xri for "
4054 lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri;
4055 lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
4057 cnt = lpfc_io_buf_replenish(phba, &io_sgl_list);
4066 * lpfc_new_io_buf - IO buffer allocator for HBA with SLI4 IF spec
4067 * @vport: The virtual port for which this call being executed.
4068 * @num_to_allocate: The requested number of buffers to allocate.
4070 * This routine allocates nvme buffers for device with SLI-4 interface spec,
4071 * the nvme buffer contains all the necessary information needed to initiate
4072 * an I/O. After allocating up to @num_to_allocate IO buffers and put
4073 * them on a list, it post them to the port by using SGL block post.
4076 * int - number of IO buffers that were allocated and posted.
4077 * 0 = failure, less than num_to_alloc is a partial failure.
4080 lpfc_new_io_buf(struct lpfc_hba *phba, int num_to_alloc)
4082 struct lpfc_io_buf *lpfc_ncmd;
4083 struct lpfc_iocbq *pwqeq;
4084 uint16_t iotag, lxri = 0;
4085 int bcnt, num_posted;
4086 LIST_HEAD(prep_nblist);
4087 LIST_HEAD(post_nblist);
4088 LIST_HEAD(nvme_nblist);
4090 /* Sanity check to ensure our sizing is right for both SCSI and NVME */
4091 if (sizeof(struct lpfc_io_buf) > LPFC_COMMON_IO_BUF_SZ) {
4092 lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
4093 "6426 Common buffer size %ld exceeds %d\n",
4094 sizeof(struct lpfc_io_buf),
4095 LPFC_COMMON_IO_BUF_SZ);
4099 phba->sli4_hba.io_xri_cnt = 0;
4100 for (bcnt = 0; bcnt < num_to_alloc; bcnt++) {
4101 lpfc_ncmd = kzalloc(LPFC_COMMON_IO_BUF_SZ, GFP_KERNEL);
4105 * Get memory from the pci pool to map the virt space to
4106 * pci bus space for an I/O. The DMA buffer includes the
4107 * number of SGE's necessary to support the sg_tablesize.
4109 lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool,
4111 &lpfc_ncmd->dma_handle);
4112 if (!lpfc_ncmd->data) {
4116 memset(lpfc_ncmd->data, 0, phba->cfg_sg_dma_buf_size);
4119 * 4K Page alignment is CRITICAL to BlockGuard, double check
4122 if ((phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
4123 (((unsigned long)(lpfc_ncmd->data) &
4124 (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) {
4125 lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
4126 "3369 Memory alignment err: addr=%lx\n",
4127 (unsigned long)lpfc_ncmd->data);
4128 dma_pool_free(phba->lpfc_sg_dma_buf_pool,
4129 lpfc_ncmd->data, lpfc_ncmd->dma_handle);
4134 lxri = lpfc_sli4_next_xritag(phba);
4135 if (lxri == NO_XRI) {
4136 dma_pool_free(phba->lpfc_sg_dma_buf_pool,
4137 lpfc_ncmd->data, lpfc_ncmd->dma_handle);
4141 pwqeq = &lpfc_ncmd->cur_iocbq;
4143 /* Allocate iotag for lpfc_ncmd->cur_iocbq. */
4144 iotag = lpfc_sli_next_iotag(phba, pwqeq);
4146 dma_pool_free(phba->lpfc_sg_dma_buf_pool,
4147 lpfc_ncmd->data, lpfc_ncmd->dma_handle);
4149 lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
4150 "6121 Failed to allocate IOTAG for"
4151 " XRI:0x%x\n", lxri);
4152 lpfc_sli4_free_xri(phba, lxri);
4155 pwqeq->sli4_lxritag = lxri;
4156 pwqeq->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
4157 pwqeq->context1 = lpfc_ncmd;
4159 /* Initialize local short-hand pointers. */
4160 lpfc_ncmd->dma_sgl = lpfc_ncmd->data;
4161 lpfc_ncmd->dma_phys_sgl = lpfc_ncmd->dma_handle;
4162 lpfc_ncmd->cur_iocbq.context1 = lpfc_ncmd;
4163 spin_lock_init(&lpfc_ncmd->buf_lock);
4165 /* add the nvme buffer to a post list */
4166 list_add_tail(&lpfc_ncmd->list, &post_nblist);
4167 phba->sli4_hba.io_xri_cnt++;
4169 lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
4170 "6114 Allocate %d out of %d requested new NVME "
4171 "buffers\n", bcnt, num_to_alloc);
4173 /* post the list of nvme buffer sgls to port if available */
4174 if (!list_empty(&post_nblist))
4175 num_posted = lpfc_sli4_post_io_sgl_list(
4176 phba, &post_nblist, bcnt);
4184 lpfc_get_wwpn(struct lpfc_hba *phba)
4188 LPFC_MBOXQ_t *mboxq;
4191 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
4194 return (uint64_t)-1;
4196 /* First get WWN of HBA instance */
4197 lpfc_read_nv(phba, mboxq);
4198 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
4199 if (rc != MBX_SUCCESS) {
4200 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4201 "6019 Mailbox failed , mbxCmd x%x "
4202 "READ_NV, mbxStatus x%x\n",
4203 bf_get(lpfc_mqe_command, &mboxq->u.mqe),
4204 bf_get(lpfc_mqe_status, &mboxq->u.mqe));
4205 mempool_free(mboxq, phba->mbox_mem_pool);
4206 return (uint64_t) -1;
4209 memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t));
4210 /* wwn is WWPN of HBA instance */
4211 mempool_free(mboxq, phba->mbox_mem_pool);
4212 if (phba->sli_rev == LPFC_SLI_REV4)
4213 return be64_to_cpu(wwn);
4215 return rol64(wwn, 32);
4219 * lpfc_create_port - Create an FC port
4220 * @phba: pointer to lpfc hba data structure.
4221 * @instance: a unique integer ID to this FC port.
4222 * @dev: pointer to the device data structure.
4224 * This routine creates a FC port for the upper layer protocol. The FC port
4225 * can be created on top of either a physical port or a virtual port provided
4226 * by the HBA. This routine also allocates a SCSI host data structure (shost)
4227 * and associates the FC port created before adding the shost into the SCSI
4231 * @vport - pointer to the virtual N_Port data structure.
4232 * NULL - port create failed.
4235 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
4237 struct lpfc_vport *vport;
4238 struct Scsi_Host *shost = NULL;
4242 bool use_no_reset_hba = false;
4245 if (lpfc_no_hba_reset_cnt) {
4246 if (phba->sli_rev < LPFC_SLI_REV4 &&
4247 dev == &phba->pcidev->dev) {
4248 /* Reset the port first */
4249 lpfc_sli_brdrestart(phba);
4250 rc = lpfc_sli_chipset_init(phba);
4254 wwn = lpfc_get_wwpn(phba);
4257 for (i = 0; i < lpfc_no_hba_reset_cnt; i++) {
4258 if (wwn == lpfc_no_hba_reset[i]) {
4259 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4260 "6020 Setting use_no_reset port=%llx\n",
4262 use_no_reset_hba = true;
4267 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
4268 if (dev != &phba->pcidev->dev) {
4269 shost = scsi_host_alloc(&lpfc_vport_template,
4270 sizeof(struct lpfc_vport));
4272 if (!use_no_reset_hba)
4273 shost = scsi_host_alloc(&lpfc_template,
4274 sizeof(struct lpfc_vport));
4276 shost = scsi_host_alloc(&lpfc_template_no_hr,
4277 sizeof(struct lpfc_vport));
4279 } else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
4280 shost = scsi_host_alloc(&lpfc_template_nvme,
4281 sizeof(struct lpfc_vport));
4286 vport = (struct lpfc_vport *) shost->hostdata;
4288 vport->load_flag |= FC_LOADING;
4289 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4290 vport->fc_rscn_flush = 0;
4291 lpfc_get_vport_cfgparam(vport);
4293 /* Adjust value in vport */
4294 vport->cfg_enable_fc4_type = phba->cfg_enable_fc4_type;
4296 shost->unique_id = instance;
4297 shost->max_id = LPFC_MAX_TARGET;
4298 shost->max_lun = vport->cfg_max_luns;
4299 shost->this_id = -1;
4300 shost->max_cmd_len = 16;
4302 if (phba->sli_rev == LPFC_SLI_REV4) {
4303 if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_HDWQ)
4304 shost->nr_hw_queues = phba->cfg_hdw_queue;
4306 shost->nr_hw_queues = phba->sli4_hba.num_present_cpu;
4308 shost->dma_boundary =
4309 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
4310 shost->sg_tablesize = phba->cfg_scsi_seg_cnt;
4312 /* SLI-3 has a limited number of hardware queues (3),
4313 * thus there is only one for FCP processing.
4315 shost->nr_hw_queues = 1;
4318 * Set initial can_queue value since 0 is no longer supported and
4319 * scsi_add_host will fail. This will be adjusted later based on the
4320 * max xri value determined in hba setup.
4322 shost->can_queue = phba->cfg_hba_queue_depth - 10;
4323 if (dev != &phba->pcidev->dev) {
4324 shost->transportt = lpfc_vport_transport_template;
4325 vport->port_type = LPFC_NPIV_PORT;
4327 shost->transportt = lpfc_transport_template;
4328 vport->port_type = LPFC_PHYSICAL_PORT;
4331 /* Initialize all internally managed lists. */
4332 INIT_LIST_HEAD(&vport->fc_nodes);
4333 INIT_LIST_HEAD(&vport->rcv_buffer_list);
4334 spin_lock_init(&vport->work_port_lock);
4336 timer_setup(&vport->fc_disctmo, lpfc_disc_timeout, 0);
4338 timer_setup(&vport->els_tmofunc, lpfc_els_timeout, 0);
4340 timer_setup(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, 0);
4342 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
4346 spin_lock_irq(&phba->port_list_lock);
4347 list_add_tail(&vport->listentry, &phba->port_list);
4348 spin_unlock_irq(&phba->port_list_lock);
4352 scsi_host_put(shost);
4358 * destroy_port - destroy an FC port
4359 * @vport: pointer to an lpfc virtual N_Port data structure.
4361 * This routine destroys a FC port from the upper layer protocol. All the
4362 * resources associated with the port are released.
4365 destroy_port(struct lpfc_vport *vport)
4367 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4368 struct lpfc_hba *phba = vport->phba;
4370 lpfc_debugfs_terminate(vport);
4371 fc_remove_host(shost);
4372 scsi_remove_host(shost);
4374 spin_lock_irq(&phba->port_list_lock);
4375 list_del_init(&vport->listentry);
4376 spin_unlock_irq(&phba->port_list_lock);
4378 lpfc_cleanup(vport);
4383 * lpfc_get_instance - Get a unique integer ID
4385 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
4386 * uses the kernel idr facility to perform the task.
4389 * instance - a unique integer ID allocated as the new instance.
4390 * -1 - lpfc get instance failed.
4393 lpfc_get_instance(void)
4397 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
4398 return ret < 0 ? -1 : ret;
4402 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
4403 * @shost: pointer to SCSI host data structure.
4404 * @time: elapsed time of the scan in jiffies.
4406 * This routine is called by the SCSI layer with a SCSI host to determine
4407 * whether the scan host is finished.
4409 * Note: there is no scan_start function as adapter initialization will have
4410 * asynchronously kicked off the link initialization.
4413 * 0 - SCSI host scan is not over yet.
4414 * 1 - SCSI host scan is over.
4416 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
4418 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4419 struct lpfc_hba *phba = vport->phba;
4422 spin_lock_irq(shost->host_lock);
4424 if (vport->load_flag & FC_UNLOADING) {
4428 if (time >= msecs_to_jiffies(30 * 1000)) {
4429 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4430 "0461 Scanning longer than 30 "
4431 "seconds. Continuing initialization\n");
4435 if (time >= msecs_to_jiffies(15 * 1000) &&
4436 phba->link_state <= LPFC_LINK_DOWN) {
4437 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4438 "0465 Link down longer than 15 "
4439 "seconds. Continuing initialization\n");
4444 if (vport->port_state != LPFC_VPORT_READY)
4446 if (vport->num_disc_nodes || vport->fc_prli_sent)
4448 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
4450 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
4456 spin_unlock_irq(shost->host_lock);
4460 void lpfc_host_supported_speeds_set(struct Scsi_Host *shost)
4462 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4463 struct lpfc_hba *phba = vport->phba;
4465 fc_host_supported_speeds(shost) = 0;
4466 if (phba->lmt & LMT_128Gb)
4467 fc_host_supported_speeds(shost) |= FC_PORTSPEED_128GBIT;
4468 if (phba->lmt & LMT_64Gb)
4469 fc_host_supported_speeds(shost) |= FC_PORTSPEED_64GBIT;
4470 if (phba->lmt & LMT_32Gb)
4471 fc_host_supported_speeds(shost) |= FC_PORTSPEED_32GBIT;
4472 if (phba->lmt & LMT_16Gb)
4473 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
4474 if (phba->lmt & LMT_10Gb)
4475 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
4476 if (phba->lmt & LMT_8Gb)
4477 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
4478 if (phba->lmt & LMT_4Gb)
4479 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
4480 if (phba->lmt & LMT_2Gb)
4481 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
4482 if (phba->lmt & LMT_1Gb)
4483 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
4487 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
4488 * @shost: pointer to SCSI host data structure.
4490 * This routine initializes a given SCSI host attributes on a FC port. The
4491 * SCSI host can be either on top of a physical port or a virtual port.
4493 void lpfc_host_attrib_init(struct Scsi_Host *shost)
4495 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4496 struct lpfc_hba *phba = vport->phba;
4498 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
4501 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
4502 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
4503 fc_host_supported_classes(shost) = FC_COS_CLASS3;
4505 memset(fc_host_supported_fc4s(shost), 0,
4506 sizeof(fc_host_supported_fc4s(shost)));
4507 fc_host_supported_fc4s(shost)[2] = 1;
4508 fc_host_supported_fc4s(shost)[7] = 1;
4510 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
4511 sizeof fc_host_symbolic_name(shost));
4513 lpfc_host_supported_speeds_set(shost);
4515 fc_host_maxframe_size(shost) =
4516 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
4517 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
4519 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
4521 /* This value is also unchanging */
4522 memset(fc_host_active_fc4s(shost), 0,
4523 sizeof(fc_host_active_fc4s(shost)));
4524 fc_host_active_fc4s(shost)[2] = 1;
4525 fc_host_active_fc4s(shost)[7] = 1;
4527 fc_host_max_npiv_vports(shost) = phba->max_vpi;
4528 spin_lock_irq(shost->host_lock);
4529 vport->load_flag &= ~FC_LOADING;
4530 spin_unlock_irq(shost->host_lock);
4534 * lpfc_stop_port_s3 - Stop SLI3 device port
4535 * @phba: pointer to lpfc hba data structure.
4537 * This routine is invoked to stop an SLI3 device port, it stops the device
4538 * from generating interrupts and stops the device driver's timers for the
4542 lpfc_stop_port_s3(struct lpfc_hba *phba)
4544 /* Clear all interrupt enable conditions */
4545 writel(0, phba->HCregaddr);
4546 readl(phba->HCregaddr); /* flush */
4547 /* Clear all pending interrupts */
4548 writel(0xffffffff, phba->HAregaddr);
4549 readl(phba->HAregaddr); /* flush */
4551 /* Reset some HBA SLI setup states */
4552 lpfc_stop_hba_timers(phba);
4553 phba->pport->work_port_events = 0;
4557 * lpfc_stop_port_s4 - Stop SLI4 device port
4558 * @phba: pointer to lpfc hba data structure.
4560 * This routine is invoked to stop an SLI4 device port, it stops the device
4561 * from generating interrupts and stops the device driver's timers for the
4565 lpfc_stop_port_s4(struct lpfc_hba *phba)
4567 /* Reset some HBA SLI4 setup states */
4568 lpfc_stop_hba_timers(phba);
4570 phba->pport->work_port_events = 0;
4571 phba->sli4_hba.intr_enable = 0;
4575 * lpfc_stop_port - Wrapper function for stopping hba port
4576 * @phba: Pointer to HBA context object.
4578 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
4579 * the API jump table function pointer from the lpfc_hba struct.
4582 lpfc_stop_port(struct lpfc_hba *phba)
4584 phba->lpfc_stop_port(phba);
4587 flush_workqueue(phba->wq);
4591 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
4592 * @phba: Pointer to hba for which this call is being executed.
4594 * This routine starts the timer waiting for the FCF rediscovery to complete.
4597 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
4599 unsigned long fcf_redisc_wait_tmo =
4600 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
4601 /* Start fcf rediscovery wait period timer */
4602 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
4603 spin_lock_irq(&phba->hbalock);
4604 /* Allow action to new fcf asynchronous event */
4605 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
4606 /* Mark the FCF rediscovery pending state */
4607 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
4608 spin_unlock_irq(&phba->hbalock);
4612 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
4613 * @ptr: Map to lpfc_hba data structure pointer.
4615 * This routine is invoked when waiting for FCF table rediscover has been
4616 * timed out. If new FCF record(s) has (have) been discovered during the
4617 * wait period, a new FCF event shall be added to the FCOE async event
4618 * list, and then worker thread shall be waked up for processing from the
4619 * worker thread context.
4622 lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list *t)
4624 struct lpfc_hba *phba = from_timer(phba, t, fcf.redisc_wait);
4626 /* Don't send FCF rediscovery event if timer cancelled */
4627 spin_lock_irq(&phba->hbalock);
4628 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
4629 spin_unlock_irq(&phba->hbalock);
4632 /* Clear FCF rediscovery timer pending flag */
4633 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
4634 /* FCF rediscovery event to worker thread */
4635 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
4636 spin_unlock_irq(&phba->hbalock);
4637 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
4638 "2776 FCF rediscover quiescent timer expired\n");
4639 /* wake up worker thread */
4640 lpfc_worker_wake_up(phba);
4644 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
4645 * @phba: pointer to lpfc hba data structure.
4646 * @acqe_link: pointer to the async link completion queue entry.
4648 * This routine is to parse the SLI4 link-attention link fault code.
4651 lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
4652 struct lpfc_acqe_link *acqe_link)
4654 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
4655 case LPFC_ASYNC_LINK_FAULT_NONE:
4656 case LPFC_ASYNC_LINK_FAULT_LOCAL:
4657 case LPFC_ASYNC_LINK_FAULT_REMOTE:
4658 case LPFC_ASYNC_LINK_FAULT_LR_LRR:
4661 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4662 "0398 Unknown link fault code: x%x\n",
4663 bf_get(lpfc_acqe_link_fault, acqe_link));
4669 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
4670 * @phba: pointer to lpfc hba data structure.
4671 * @acqe_link: pointer to the async link completion queue entry.
4673 * This routine is to parse the SLI4 link attention type and translate it
4674 * into the base driver's link attention type coding.
4676 * Return: Link attention type in terms of base driver's coding.
4679 lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
4680 struct lpfc_acqe_link *acqe_link)
4684 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
4685 case LPFC_ASYNC_LINK_STATUS_DOWN:
4686 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
4687 att_type = LPFC_ATT_LINK_DOWN;
4689 case LPFC_ASYNC_LINK_STATUS_UP:
4690 /* Ignore physical link up events - wait for logical link up */
4691 att_type = LPFC_ATT_RESERVED;
4693 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
4694 att_type = LPFC_ATT_LINK_UP;
4697 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4698 "0399 Invalid link attention type: x%x\n",
4699 bf_get(lpfc_acqe_link_status, acqe_link));
4700 att_type = LPFC_ATT_RESERVED;
4707 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
4708 * @phba: pointer to lpfc hba data structure.
4710 * This routine is to get an SLI3 FC port's link speed in Mbps.
4712 * Return: link speed in terms of Mbps.
4715 lpfc_sli_port_speed_get(struct lpfc_hba *phba)
4717 uint32_t link_speed;
4719 if (!lpfc_is_link_up(phba))
4722 if (phba->sli_rev <= LPFC_SLI_REV3) {
4723 switch (phba->fc_linkspeed) {
4724 case LPFC_LINK_SPEED_1GHZ:
4727 case LPFC_LINK_SPEED_2GHZ:
4730 case LPFC_LINK_SPEED_4GHZ:
4733 case LPFC_LINK_SPEED_8GHZ:
4736 case LPFC_LINK_SPEED_10GHZ:
4739 case LPFC_LINK_SPEED_16GHZ:
4746 if (phba->sli4_hba.link_state.logical_speed)
4748 phba->sli4_hba.link_state.logical_speed;
4750 link_speed = phba->sli4_hba.link_state.speed;
4756 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
4757 * @phba: pointer to lpfc hba data structure.
4758 * @evt_code: asynchronous event code.
4759 * @speed_code: asynchronous event link speed code.
4761 * This routine is to parse the giving SLI4 async event link speed code into
4762 * value of Mbps for the link speed.
4764 * Return: link speed in terms of Mbps.
4767 lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
4770 uint32_t port_speed;
4773 case LPFC_TRAILER_CODE_LINK:
4774 switch (speed_code) {
4775 case LPFC_ASYNC_LINK_SPEED_ZERO:
4778 case LPFC_ASYNC_LINK_SPEED_10MBPS:
4781 case LPFC_ASYNC_LINK_SPEED_100MBPS:
4784 case LPFC_ASYNC_LINK_SPEED_1GBPS:
4787 case LPFC_ASYNC_LINK_SPEED_10GBPS:
4790 case LPFC_ASYNC_LINK_SPEED_20GBPS:
4793 case LPFC_ASYNC_LINK_SPEED_25GBPS:
4796 case LPFC_ASYNC_LINK_SPEED_40GBPS:
4803 case LPFC_TRAILER_CODE_FC:
4804 switch (speed_code) {
4805 case LPFC_FC_LA_SPEED_UNKNOWN:
4808 case LPFC_FC_LA_SPEED_1G:
4811 case LPFC_FC_LA_SPEED_2G:
4814 case LPFC_FC_LA_SPEED_4G:
4817 case LPFC_FC_LA_SPEED_8G:
4820 case LPFC_FC_LA_SPEED_10G:
4823 case LPFC_FC_LA_SPEED_16G:
4826 case LPFC_FC_LA_SPEED_32G:
4829 case LPFC_FC_LA_SPEED_64G:
4832 case LPFC_FC_LA_SPEED_128G:
4833 port_speed = 128000;
4846 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
4847 * @phba: pointer to lpfc hba data structure.
4848 * @acqe_link: pointer to the async link completion queue entry.
4850 * This routine is to handle the SLI4 asynchronous FCoE link event.
4853 lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
4854 struct lpfc_acqe_link *acqe_link)
4856 struct lpfc_dmabuf *mp;
4859 struct lpfc_mbx_read_top *la;
4863 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
4864 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
4866 phba->fcoe_eventtag = acqe_link->event_tag;
4867 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4869 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4870 "0395 The mboxq allocation failed\n");
4873 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
4875 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4876 "0396 The lpfc_dmabuf allocation failed\n");
4879 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
4881 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4882 "0397 The mbuf allocation failed\n");
4883 goto out_free_dmabuf;
4886 /* Cleanup any outstanding ELS commands */
4887 lpfc_els_flush_all_cmd(phba);
4889 /* Block ELS IOCBs until we have done process link event */
4890 phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT;
4892 /* Update link event statistics */
4893 phba->sli.slistat.link_event++;
4895 /* Create lpfc_handle_latt mailbox command from link ACQE */
4896 lpfc_read_topology(phba, pmb, mp);
4897 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
4898 pmb->vport = phba->pport;
4900 /* Keep the link status for extra SLI4 state machine reference */
4901 phba->sli4_hba.link_state.speed =
4902 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
4903 bf_get(lpfc_acqe_link_speed, acqe_link));
4904 phba->sli4_hba.link_state.duplex =
4905 bf_get(lpfc_acqe_link_duplex, acqe_link);
4906 phba->sli4_hba.link_state.status =
4907 bf_get(lpfc_acqe_link_status, acqe_link);
4908 phba->sli4_hba.link_state.type =
4909 bf_get(lpfc_acqe_link_type, acqe_link);
4910 phba->sli4_hba.link_state.number =
4911 bf_get(lpfc_acqe_link_number, acqe_link);
4912 phba->sli4_hba.link_state.fault =
4913 bf_get(lpfc_acqe_link_fault, acqe_link);
4914 phba->sli4_hba.link_state.logical_speed =
4915 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
4917 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4918 "2900 Async FC/FCoE Link event - Speed:%dGBit "
4919 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
4920 "Logical speed:%dMbps Fault:%d\n",
4921 phba->sli4_hba.link_state.speed,
4922 phba->sli4_hba.link_state.topology,
4923 phba->sli4_hba.link_state.status,
4924 phba->sli4_hba.link_state.type,
4925 phba->sli4_hba.link_state.number,
4926 phba->sli4_hba.link_state.logical_speed,
4927 phba->sli4_hba.link_state.fault);
4929 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
4930 * topology info. Note: Optional for non FC-AL ports.
4932 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
4933 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
4934 if (rc == MBX_NOT_FINISHED)
4935 goto out_free_dmabuf;
4939 * For FCoE Mode: fill in all the topology information we need and call
4940 * the READ_TOPOLOGY completion routine to continue without actually
4941 * sending the READ_TOPOLOGY mailbox command to the port.
4943 /* Initialize completion status */
4945 mb->mbxStatus = MBX_SUCCESS;
4947 /* Parse port fault information field */
4948 lpfc_sli4_parse_latt_fault(phba, acqe_link);
4950 /* Parse and translate link attention fields */
4951 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
4952 la->eventTag = acqe_link->event_tag;
4953 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
4954 bf_set(lpfc_mbx_read_top_link_spd, la,
4955 (bf_get(lpfc_acqe_link_speed, acqe_link)));
4957 /* Fake the the following irrelvant fields */
4958 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
4959 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
4960 bf_set(lpfc_mbx_read_top_il, la, 0);
4961 bf_set(lpfc_mbx_read_top_pb, la, 0);
4962 bf_set(lpfc_mbx_read_top_fa, la, 0);
4963 bf_set(lpfc_mbx_read_top_mm, la, 0);
4965 /* Invoke the lpfc_handle_latt mailbox command callback function */
4966 lpfc_mbx_cmpl_read_topology(phba, pmb);
4973 mempool_free(pmb, phba->mbox_mem_pool);
4977 * lpfc_async_link_speed_to_read_top - Parse async evt link speed code to read
4979 * @phba: pointer to lpfc hba data structure.
4980 * @evt_code: asynchronous event code.
4981 * @speed_code: asynchronous event link speed code.
4983 * This routine is to parse the giving SLI4 async event link speed code into
4984 * value of Read topology link speed.
4986 * Return: link speed in terms of Read topology.
4989 lpfc_async_link_speed_to_read_top(struct lpfc_hba *phba, uint8_t speed_code)
4993 switch (speed_code) {
4994 case LPFC_FC_LA_SPEED_1G:
4995 port_speed = LPFC_LINK_SPEED_1GHZ;
4997 case LPFC_FC_LA_SPEED_2G:
4998 port_speed = LPFC_LINK_SPEED_2GHZ;
5000 case LPFC_FC_LA_SPEED_4G:
5001 port_speed = LPFC_LINK_SPEED_4GHZ;
5003 case LPFC_FC_LA_SPEED_8G:
5004 port_speed = LPFC_LINK_SPEED_8GHZ;
5006 case LPFC_FC_LA_SPEED_16G:
5007 port_speed = LPFC_LINK_SPEED_16GHZ;
5009 case LPFC_FC_LA_SPEED_32G:
5010 port_speed = LPFC_LINK_SPEED_32GHZ;
5012 case LPFC_FC_LA_SPEED_64G:
5013 port_speed = LPFC_LINK_SPEED_64GHZ;
5015 case LPFC_FC_LA_SPEED_128G:
5016 port_speed = LPFC_LINK_SPEED_128GHZ;
5018 case LPFC_FC_LA_SPEED_256G:
5019 port_speed = LPFC_LINK_SPEED_256GHZ;
5029 #define trunk_link_status(__idx)\
5030 bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\
5031 ((phba->trunk_link.link##__idx.state == LPFC_LINK_UP) ?\
5032 "Link up" : "Link down") : "NA"
5033 /* Did port __idx reported an error */
5034 #define trunk_port_fault(__idx)\
5035 bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\
5036 (port_fault & (1 << __idx) ? "YES" : "NO") : "NA"
5039 lpfc_update_trunk_link_status(struct lpfc_hba *phba,
5040 struct lpfc_acqe_fc_la *acqe_fc)
5042 uint8_t port_fault = bf_get(lpfc_acqe_fc_la_trunk_linkmask, acqe_fc);
5043 uint8_t err = bf_get(lpfc_acqe_fc_la_trunk_fault, acqe_fc);
5045 phba->sli4_hba.link_state.speed =
5046 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
5047 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
5049 phba->sli4_hba.link_state.logical_speed =
5050 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc);
5051 /* We got FC link speed, convert to fc_linkspeed (READ_TOPOLOGY) */
5052 phba->fc_linkspeed =
5053 lpfc_async_link_speed_to_read_top(
5055 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
5057 if (bf_get(lpfc_acqe_fc_la_trunk_config_port0, acqe_fc)) {
5058 phba->trunk_link.link0.state =
5059 bf_get(lpfc_acqe_fc_la_trunk_link_status_port0, acqe_fc)
5060 ? LPFC_LINK_UP : LPFC_LINK_DOWN;
5061 phba->trunk_link.link0.fault = port_fault & 0x1 ? err : 0;
5063 if (bf_get(lpfc_acqe_fc_la_trunk_config_port1, acqe_fc)) {
5064 phba->trunk_link.link1.state =
5065 bf_get(lpfc_acqe_fc_la_trunk_link_status_port1, acqe_fc)
5066 ? LPFC_LINK_UP : LPFC_LINK_DOWN;
5067 phba->trunk_link.link1.fault = port_fault & 0x2 ? err : 0;
5069 if (bf_get(lpfc_acqe_fc_la_trunk_config_port2, acqe_fc)) {
5070 phba->trunk_link.link2.state =
5071 bf_get(lpfc_acqe_fc_la_trunk_link_status_port2, acqe_fc)
5072 ? LPFC_LINK_UP : LPFC_LINK_DOWN;
5073 phba->trunk_link.link2.fault = port_fault & 0x4 ? err : 0;
5075 if (bf_get(lpfc_acqe_fc_la_trunk_config_port3, acqe_fc)) {
5076 phba->trunk_link.link3.state =
5077 bf_get(lpfc_acqe_fc_la_trunk_link_status_port3, acqe_fc)
5078 ? LPFC_LINK_UP : LPFC_LINK_DOWN;
5079 phba->trunk_link.link3.fault = port_fault & 0x8 ? err : 0;
5082 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5083 "2910 Async FC Trunking Event - Speed:%d\n"
5084 "\tLogical speed:%d "
5085 "port0: %s port1: %s port2: %s port3: %s\n",
5086 phba->sli4_hba.link_state.speed,
5087 phba->sli4_hba.link_state.logical_speed,
5088 trunk_link_status(0), trunk_link_status(1),
5089 trunk_link_status(2), trunk_link_status(3));
5092 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5093 "3202 trunk error:0x%x (%s) seen on port0:%s "
5095 * SLI-4: We have only 0xA error codes
5096 * defined as of now. print an appropriate
5097 * message in case driver needs to be updated.
5099 "port1:%s port2:%s port3:%s\n", err, err > 0xA ?
5100 "UNDEFINED. update driver." : trunk_errmsg[err],
5101 trunk_port_fault(0), trunk_port_fault(1),
5102 trunk_port_fault(2), trunk_port_fault(3));
5107 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
5108 * @phba: pointer to lpfc hba data structure.
5109 * @acqe_fc: pointer to the async fc completion queue entry.
5111 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
5112 * that the event was received and then issue a read_topology mailbox command so
5113 * that the rest of the driver will treat it the same as SLI3.
5116 lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
5118 struct lpfc_dmabuf *mp;
5121 struct lpfc_mbx_read_top *la;
5124 if (bf_get(lpfc_trailer_type, acqe_fc) !=
5125 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
5126 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5127 "2895 Non FC link Event detected.(%d)\n",
5128 bf_get(lpfc_trailer_type, acqe_fc));
5132 if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) ==
5133 LPFC_FC_LA_TYPE_TRUNKING_EVENT) {
5134 lpfc_update_trunk_link_status(phba, acqe_fc);
5138 /* Keep the link status for extra SLI4 state machine reference */
5139 phba->sli4_hba.link_state.speed =
5140 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
5141 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
5142 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
5143 phba->sli4_hba.link_state.topology =
5144 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
5145 phba->sli4_hba.link_state.status =
5146 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
5147 phba->sli4_hba.link_state.type =
5148 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
5149 phba->sli4_hba.link_state.number =
5150 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
5151 phba->sli4_hba.link_state.fault =
5152 bf_get(lpfc_acqe_link_fault, acqe_fc);
5153 phba->sli4_hba.link_state.logical_speed =
5154 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
5155 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5156 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
5157 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
5158 "%dMbps Fault:%d\n",
5159 phba->sli4_hba.link_state.speed,
5160 phba->sli4_hba.link_state.topology,
5161 phba->sli4_hba.link_state.status,
5162 phba->sli4_hba.link_state.type,
5163 phba->sli4_hba.link_state.number,
5164 phba->sli4_hba.link_state.logical_speed,
5165 phba->sli4_hba.link_state.fault);
5166 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5168 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5169 "2897 The mboxq allocation failed\n");
5172 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5174 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5175 "2898 The lpfc_dmabuf allocation failed\n");
5178 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
5180 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5181 "2899 The mbuf allocation failed\n");
5182 goto out_free_dmabuf;
5185 /* Cleanup any outstanding ELS commands */
5186 lpfc_els_flush_all_cmd(phba);
5188 /* Block ELS IOCBs until we have done process link event */
5189 phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT;
5191 /* Update link event statistics */
5192 phba->sli.slistat.link_event++;
5194 /* Create lpfc_handle_latt mailbox command from link ACQE */
5195 lpfc_read_topology(phba, pmb, mp);
5196 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
5197 pmb->vport = phba->pport;
5199 if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) {
5200 phba->link_flag &= ~(LS_MDS_LINK_DOWN | LS_MDS_LOOPBACK);
5202 switch (phba->sli4_hba.link_state.status) {
5203 case LPFC_FC_LA_TYPE_MDS_LINK_DOWN:
5204 phba->link_flag |= LS_MDS_LINK_DOWN;
5206 case LPFC_FC_LA_TYPE_MDS_LOOPBACK:
5207 phba->link_flag |= LS_MDS_LOOPBACK;
5213 /* Initialize completion status */
5215 mb->mbxStatus = MBX_SUCCESS;
5217 /* Parse port fault information field */
5218 lpfc_sli4_parse_latt_fault(phba, (void *)acqe_fc);
5220 /* Parse and translate link attention fields */
5221 la = (struct lpfc_mbx_read_top *)&pmb->u.mb.un.varReadTop;
5222 la->eventTag = acqe_fc->event_tag;
5224 if (phba->sli4_hba.link_state.status ==
5225 LPFC_FC_LA_TYPE_UNEXP_WWPN) {
5226 bf_set(lpfc_mbx_read_top_att_type, la,
5227 LPFC_FC_LA_TYPE_UNEXP_WWPN);
5229 bf_set(lpfc_mbx_read_top_att_type, la,
5230 LPFC_FC_LA_TYPE_LINK_DOWN);
5232 /* Invoke the mailbox command callback function */
5233 lpfc_mbx_cmpl_read_topology(phba, pmb);
5238 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
5239 if (rc == MBX_NOT_FINISHED)
5240 goto out_free_dmabuf;
5246 mempool_free(pmb, phba->mbox_mem_pool);
5250 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
5251 * @phba: pointer to lpfc hba data structure.
5252 * @acqe_fc: pointer to the async SLI completion queue entry.
5254 * This routine is to handle the SLI4 asynchronous SLI events.
5257 lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
5263 uint8_t operational = 0;
5264 struct temp_event temp_event_data;
5265 struct lpfc_acqe_misconfigured_event *misconfigured;
5266 struct Scsi_Host *shost;
5267 struct lpfc_vport **vports;
5270 evt_type = bf_get(lpfc_trailer_type, acqe_sli);
5272 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5273 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
5274 "x%08x SLI Event Type:%d\n",
5275 acqe_sli->event_data1, acqe_sli->event_data2,
5278 port_name = phba->Port[0];
5279 if (port_name == 0x00)
5280 port_name = '?'; /* get port name is empty */
5283 case LPFC_SLI_EVENT_TYPE_OVER_TEMP:
5284 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
5285 temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
5286 temp_event_data.data = (uint32_t)acqe_sli->event_data1;
5288 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
5289 "3190 Over Temperature:%d Celsius- Port Name %c\n",
5290 acqe_sli->event_data1, port_name);
5292 phba->sfp_warning |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE;
5293 shost = lpfc_shost_from_vport(phba->pport);
5294 fc_host_post_vendor_event(shost, fc_get_event_number(),
5295 sizeof(temp_event_data),
5296 (char *)&temp_event_data,
5297 SCSI_NL_VID_TYPE_PCI
5298 | PCI_VENDOR_ID_EMULEX);
5300 case LPFC_SLI_EVENT_TYPE_NORM_TEMP:
5301 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
5302 temp_event_data.event_code = LPFC_NORMAL_TEMP;
5303 temp_event_data.data = (uint32_t)acqe_sli->event_data1;
5305 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5306 "3191 Normal Temperature:%d Celsius - Port Name %c\n",
5307 acqe_sli->event_data1, port_name);
5309 shost = lpfc_shost_from_vport(phba->pport);
5310 fc_host_post_vendor_event(shost, fc_get_event_number(),
5311 sizeof(temp_event_data),
5312 (char *)&temp_event_data,
5313 SCSI_NL_VID_TYPE_PCI
5314 | PCI_VENDOR_ID_EMULEX);
5316 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED:
5317 misconfigured = (struct lpfc_acqe_misconfigured_event *)
5318 &acqe_sli->event_data1;
5320 /* fetch the status for this port */
5321 switch (phba->sli4_hba.lnk_info.lnk_no) {
5322 case LPFC_LINK_NUMBER_0:
5323 status = bf_get(lpfc_sli_misconfigured_port0_state,
5324 &misconfigured->theEvent);
5325 operational = bf_get(lpfc_sli_misconfigured_port0_op,
5326 &misconfigured->theEvent);
5328 case LPFC_LINK_NUMBER_1:
5329 status = bf_get(lpfc_sli_misconfigured_port1_state,
5330 &misconfigured->theEvent);
5331 operational = bf_get(lpfc_sli_misconfigured_port1_op,
5332 &misconfigured->theEvent);
5334 case LPFC_LINK_NUMBER_2:
5335 status = bf_get(lpfc_sli_misconfigured_port2_state,
5336 &misconfigured->theEvent);
5337 operational = bf_get(lpfc_sli_misconfigured_port2_op,
5338 &misconfigured->theEvent);
5340 case LPFC_LINK_NUMBER_3:
5341 status = bf_get(lpfc_sli_misconfigured_port3_state,
5342 &misconfigured->theEvent);
5343 operational = bf_get(lpfc_sli_misconfigured_port3_op,
5344 &misconfigured->theEvent);
5347 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5349 "LPFC_SLI_EVENT_TYPE_MISCONFIGURED "
5350 "event: Invalid link %d",
5351 phba->sli4_hba.lnk_info.lnk_no);
5355 /* Skip if optic state unchanged */
5356 if (phba->sli4_hba.lnk_info.optic_state == status)
5360 case LPFC_SLI_EVENT_STATUS_VALID:
5361 sprintf(message, "Physical Link is functional");
5363 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
5364 sprintf(message, "Optics faulted/incorrectly "
5365 "installed/not installed - Reseat optics, "
5366 "if issue not resolved, replace.");
5368 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
5370 "Optics of two types installed - Remove one "
5371 "optic or install matching pair of optics.");
5373 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
5374 sprintf(message, "Incompatible optics - Replace with "
5375 "compatible optics for card to function.");
5377 case LPFC_SLI_EVENT_STATUS_UNQUALIFIED:
5378 sprintf(message, "Unqualified optics - Replace with "
5379 "Avago optics for Warranty and Technical "
5380 "Support - Link is%s operational",
5381 (operational) ? " not" : "");
5383 case LPFC_SLI_EVENT_STATUS_UNCERTIFIED:
5384 sprintf(message, "Uncertified optics - Replace with "
5385 "Avago-certified optics to enable link "
5386 "operation - Link is%s operational",
5387 (operational) ? " not" : "");
5390 /* firmware is reporting a status we don't know about */
5391 sprintf(message, "Unknown event status x%02x", status);
5395 /* Issue READ_CONFIG mbox command to refresh supported speeds */
5396 rc = lpfc_sli4_read_config(phba);
5399 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5400 "3194 Unable to retrieve supported "
5401 "speeds, rc = 0x%x\n", rc);
5403 vports = lpfc_create_vport_work_array(phba);
5404 if (vports != NULL) {
5405 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
5407 shost = lpfc_shost_from_vport(vports[i]);
5408 lpfc_host_supported_speeds_set(shost);
5411 lpfc_destroy_vport_work_array(phba, vports);
5413 phba->sli4_hba.lnk_info.optic_state = status;
5414 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5415 "3176 Port Name %c %s\n", port_name, message);
5417 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT:
5418 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5419 "3192 Remote DPort Test Initiated - "
5420 "Event Data1:x%08x Event Data2: x%08x\n",
5421 acqe_sli->event_data1, acqe_sli->event_data2);
5424 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5425 "3193 Async SLI event - Event Data1:x%08x Event Data2:"
5426 "x%08x SLI Event Type:%d\n",
5427 acqe_sli->event_data1, acqe_sli->event_data2,
5434 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
5435 * @vport: pointer to vport data structure.
5437 * This routine is to perform Clear Virtual Link (CVL) on a vport in
5438 * response to a CVL event.
5440 * Return the pointer to the ndlp with the vport if successful, otherwise
5443 static struct lpfc_nodelist *
5444 lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
5446 struct lpfc_nodelist *ndlp;
5447 struct Scsi_Host *shost;
5448 struct lpfc_hba *phba;
5455 ndlp = lpfc_findnode_did(vport, Fabric_DID);
5457 /* Cannot find existing Fabric ndlp, so allocate a new one */
5458 ndlp = lpfc_nlp_init(vport, Fabric_DID);
5461 /* Set the node type */
5462 ndlp->nlp_type |= NLP_FABRIC;
5463 /* Put ndlp onto node list */
5464 lpfc_enqueue_node(vport, ndlp);
5465 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
5466 /* re-setup ndlp without removing from node list */
5467 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
5471 if ((phba->pport->port_state < LPFC_FLOGI) &&
5472 (phba->pport->port_state != LPFC_VPORT_FAILED))
5474 /* If virtual link is not yet instantiated ignore CVL */
5475 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
5476 && (vport->port_state != LPFC_VPORT_FAILED))
5478 shost = lpfc_shost_from_vport(vport);
5481 lpfc_linkdown_port(vport);
5482 lpfc_cleanup_pending_mbox(vport);
5483 spin_lock_irq(shost->host_lock);
5484 vport->fc_flag |= FC_VPORT_CVL_RCVD;
5485 spin_unlock_irq(shost->host_lock);
5491 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
5492 * @vport: pointer to lpfc hba data structure.
5494 * This routine is to perform Clear Virtual Link (CVL) on all vports in
5495 * response to a FCF dead event.
5498 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
5500 struct lpfc_vport **vports;
5503 vports = lpfc_create_vport_work_array(phba);
5505 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
5506 lpfc_sli4_perform_vport_cvl(vports[i]);
5507 lpfc_destroy_vport_work_array(phba, vports);
5511 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
5512 * @phba: pointer to lpfc hba data structure.
5513 * @acqe_link: pointer to the async fcoe completion queue entry.
5515 * This routine is to handle the SLI4 asynchronous fcoe event.
5518 lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
5519 struct lpfc_acqe_fip *acqe_fip)
5521 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
5523 struct lpfc_vport *vport;
5524 struct lpfc_nodelist *ndlp;
5525 struct Scsi_Host *shost;
5526 int active_vlink_present;
5527 struct lpfc_vport **vports;
5530 phba->fc_eventTag = acqe_fip->event_tag;
5531 phba->fcoe_eventtag = acqe_fip->event_tag;
5532 switch (event_type) {
5533 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
5534 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
5535 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
5536 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
5538 "2546 New FCF event, evt_tag:x%x, "
5540 acqe_fip->event_tag,
5543 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
5545 "2788 FCF param modified event, "
5546 "evt_tag:x%x, index:x%x\n",
5547 acqe_fip->event_tag,
5549 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
5551 * During period of FCF discovery, read the FCF
5552 * table record indexed by the event to update
5553 * FCF roundrobin failover eligible FCF bmask.
5555 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
5557 "2779 Read FCF (x%x) for updating "
5558 "roundrobin FCF failover bmask\n",
5560 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
5563 /* If the FCF discovery is in progress, do nothing. */
5564 spin_lock_irq(&phba->hbalock);
5565 if (phba->hba_flag & FCF_TS_INPROG) {
5566 spin_unlock_irq(&phba->hbalock);
5569 /* If fast FCF failover rescan event is pending, do nothing */
5570 if (phba->fcf.fcf_flag & (FCF_REDISC_EVT | FCF_REDISC_PEND)) {
5571 spin_unlock_irq(&phba->hbalock);
5575 /* If the FCF has been in discovered state, do nothing. */
5576 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
5577 spin_unlock_irq(&phba->hbalock);
5580 spin_unlock_irq(&phba->hbalock);
5582 /* Otherwise, scan the entire FCF table and re-discover SAN */
5583 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
5584 "2770 Start FCF table scan per async FCF "
5585 "event, evt_tag:x%x, index:x%x\n",
5586 acqe_fip->event_tag, acqe_fip->index);
5587 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
5588 LPFC_FCOE_FCF_GET_FIRST);
5590 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
5591 "2547 Issue FCF scan read FCF mailbox "
5592 "command failed (x%x)\n", rc);
5595 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
5596 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5597 "2548 FCF Table full count 0x%x tag 0x%x\n",
5598 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
5599 acqe_fip->event_tag);
5602 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
5603 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
5604 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
5605 "2549 FCF (x%x) disconnected from network, "
5606 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
5608 * If we are in the middle of FCF failover process, clear
5609 * the corresponding FCF bit in the roundrobin bitmap.
5611 spin_lock_irq(&phba->hbalock);
5612 if ((phba->fcf.fcf_flag & FCF_DISCOVERY) &&
5613 (phba->fcf.current_rec.fcf_indx != acqe_fip->index)) {
5614 spin_unlock_irq(&phba->hbalock);
5615 /* Update FLOGI FCF failover eligible FCF bmask */
5616 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
5619 spin_unlock_irq(&phba->hbalock);
5621 /* If the event is not for currently used fcf do nothing */
5622 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
5626 * Otherwise, request the port to rediscover the entire FCF
5627 * table for a fast recovery from case that the current FCF
5628 * is no longer valid as we are not in the middle of FCF
5629 * failover process already.
5631 spin_lock_irq(&phba->hbalock);
5632 /* Mark the fast failover process in progress */
5633 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
5634 spin_unlock_irq(&phba->hbalock);
5636 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
5637 "2771 Start FCF fast failover process due to "
5638 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
5639 "\n", acqe_fip->event_tag, acqe_fip->index);
5640 rc = lpfc_sli4_redisc_fcf_table(phba);
5642 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
5644 "2772 Issue FCF rediscover mailbox "
5645 "command failed, fail through to FCF "
5647 spin_lock_irq(&phba->hbalock);
5648 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
5649 spin_unlock_irq(&phba->hbalock);
5651 * Last resort will fail over by treating this
5652 * as a link down to FCF registration.
5654 lpfc_sli4_fcf_dead_failthrough(phba);
5656 /* Reset FCF roundrobin bmask for new discovery */
5657 lpfc_sli4_clear_fcf_rr_bmask(phba);
5659 * Handling fast FCF failover to a DEAD FCF event is
5660 * considered equalivant to receiving CVL to all vports.
5662 lpfc_sli4_perform_all_vport_cvl(phba);
5665 case LPFC_FIP_EVENT_TYPE_CVL:
5666 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
5667 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
5668 "2718 Clear Virtual Link Received for VPI 0x%x"
5669 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
5671 vport = lpfc_find_vport_by_vpid(phba,
5673 ndlp = lpfc_sli4_perform_vport_cvl(vport);
5676 active_vlink_present = 0;
5678 vports = lpfc_create_vport_work_array(phba);
5680 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
5682 if ((!(vports[i]->fc_flag &
5683 FC_VPORT_CVL_RCVD)) &&
5684 (vports[i]->port_state > LPFC_FDISC)) {
5685 active_vlink_present = 1;
5689 lpfc_destroy_vport_work_array(phba, vports);
5693 * Don't re-instantiate if vport is marked for deletion.
5694 * If we are here first then vport_delete is going to wait
5695 * for discovery to complete.
5697 if (!(vport->load_flag & FC_UNLOADING) &&
5698 active_vlink_present) {
5700 * If there are other active VLinks present,
5701 * re-instantiate the Vlink using FDISC.
5703 mod_timer(&ndlp->nlp_delayfunc,
5704 jiffies + msecs_to_jiffies(1000));
5705 shost = lpfc_shost_from_vport(vport);
5706 spin_lock_irq(shost->host_lock);
5707 ndlp->nlp_flag |= NLP_DELAY_TMO;
5708 spin_unlock_irq(shost->host_lock);
5709 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
5710 vport->port_state = LPFC_FDISC;
5713 * Otherwise, we request port to rediscover
5714 * the entire FCF table for a fast recovery
5715 * from possible case that the current FCF
5716 * is no longer valid if we are not already
5717 * in the FCF failover process.
5719 spin_lock_irq(&phba->hbalock);
5720 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
5721 spin_unlock_irq(&phba->hbalock);
5724 /* Mark the fast failover process in progress */
5725 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
5726 spin_unlock_irq(&phba->hbalock);
5727 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
5729 "2773 Start FCF failover per CVL, "
5730 "evt_tag:x%x\n", acqe_fip->event_tag);
5731 rc = lpfc_sli4_redisc_fcf_table(phba);
5733 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
5735 "2774 Issue FCF rediscover "
5736 "mailbox command failed, "
5737 "through to CVL event\n");
5738 spin_lock_irq(&phba->hbalock);
5739 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
5740 spin_unlock_irq(&phba->hbalock);
5742 * Last resort will be re-try on the
5743 * the current registered FCF entry.
5745 lpfc_retry_pport_discovery(phba);
5748 * Reset FCF roundrobin bmask for new
5751 lpfc_sli4_clear_fcf_rr_bmask(phba);
5755 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5756 "0288 Unknown FCoE event type 0x%x event tag "
5757 "0x%x\n", event_type, acqe_fip->event_tag);
5763 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
5764 * @phba: pointer to lpfc hba data structure.
5765 * @acqe_link: pointer to the async dcbx completion queue entry.
5767 * This routine is to handle the SLI4 asynchronous dcbx event.
5770 lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
5771 struct lpfc_acqe_dcbx *acqe_dcbx)
5773 phba->fc_eventTag = acqe_dcbx->event_tag;
5774 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5775 "0290 The SLI4 DCBX asynchronous event is not "
5780 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
5781 * @phba: pointer to lpfc hba data structure.
5782 * @acqe_link: pointer to the async grp5 completion queue entry.
5784 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
5785 * is an asynchronous notified of a logical link speed change. The Port
5786 * reports the logical link speed in units of 10Mbps.
5789 lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
5790 struct lpfc_acqe_grp5 *acqe_grp5)
5792 uint16_t prev_ll_spd;
5794 phba->fc_eventTag = acqe_grp5->event_tag;
5795 phba->fcoe_eventtag = acqe_grp5->event_tag;
5796 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
5797 phba->sli4_hba.link_state.logical_speed =
5798 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
5799 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5800 "2789 GRP5 Async Event: Updating logical link speed "
5801 "from %dMbps to %dMbps\n", prev_ll_spd,
5802 phba->sli4_hba.link_state.logical_speed);
5806 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
5807 * @phba: pointer to lpfc hba data structure.
5809 * This routine is invoked by the worker thread to process all the pending
5810 * SLI4 asynchronous events.
5812 void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
5814 struct lpfc_cq_event *cq_event;
5816 /* First, declare the async event has been handled */
5817 spin_lock_irq(&phba->hbalock);
5818 phba->hba_flag &= ~ASYNC_EVENT;
5819 spin_unlock_irq(&phba->hbalock);
5820 /* Now, handle all the async events */
5821 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
5822 /* Get the first event from the head of the event queue */
5823 spin_lock_irq(&phba->hbalock);
5824 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
5825 cq_event, struct lpfc_cq_event, list);
5826 spin_unlock_irq(&phba->hbalock);
5827 /* Process the asynchronous event */
5828 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
5829 case LPFC_TRAILER_CODE_LINK:
5830 lpfc_sli4_async_link_evt(phba,
5831 &cq_event->cqe.acqe_link);
5833 case LPFC_TRAILER_CODE_FCOE:
5834 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
5836 case LPFC_TRAILER_CODE_DCBX:
5837 lpfc_sli4_async_dcbx_evt(phba,
5838 &cq_event->cqe.acqe_dcbx);
5840 case LPFC_TRAILER_CODE_GRP5:
5841 lpfc_sli4_async_grp5_evt(phba,
5842 &cq_event->cqe.acqe_grp5);
5844 case LPFC_TRAILER_CODE_FC:
5845 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
5847 case LPFC_TRAILER_CODE_SLI:
5848 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
5851 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5852 "1804 Invalid asynchrous event code: "
5853 "x%x\n", bf_get(lpfc_trailer_code,
5854 &cq_event->cqe.mcqe_cmpl));
5857 /* Free the completion event processed to the free pool */
5858 lpfc_sli4_cq_event_release(phba, cq_event);
5863 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
5864 * @phba: pointer to lpfc hba data structure.
5866 * This routine is invoked by the worker thread to process FCF table
5867 * rediscovery pending completion event.
5869 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
5873 spin_lock_irq(&phba->hbalock);
5874 /* Clear FCF rediscovery timeout event */
5875 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
5876 /* Clear driver fast failover FCF record flag */
5877 phba->fcf.failover_rec.flag = 0;
5878 /* Set state for FCF fast failover */
5879 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
5880 spin_unlock_irq(&phba->hbalock);
5882 /* Scan FCF table from the first entry to re-discover SAN */
5883 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
5884 "2777 Start post-quiescent FCF table scan\n");
5885 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
5887 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
5888 "2747 Issue FCF scan read FCF mailbox "
5889 "command failed 0x%x\n", rc);
5893 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
5894 * @phba: pointer to lpfc hba data structure.
5895 * @dev_grp: The HBA PCI-Device group number.
5897 * This routine is invoked to set up the per HBA PCI-Device group function
5898 * API jump table entries.
5900 * Return: 0 if success, otherwise -ENODEV
5903 lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5907 /* Set up lpfc PCI-device group */
5908 phba->pci_dev_grp = dev_grp;
5910 /* The LPFC_PCI_DEV_OC uses SLI4 */
5911 if (dev_grp == LPFC_PCI_DEV_OC)
5912 phba->sli_rev = LPFC_SLI_REV4;
5914 /* Set up device INIT API function jump table */
5915 rc = lpfc_init_api_table_setup(phba, dev_grp);
5918 /* Set up SCSI API function jump table */
5919 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
5922 /* Set up SLI API function jump table */
5923 rc = lpfc_sli_api_table_setup(phba, dev_grp);
5926 /* Set up MBOX API function jump table */
5927 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
5935 * lpfc_log_intr_mode - Log the active interrupt mode
5936 * @phba: pointer to lpfc hba data structure.
5937 * @intr_mode: active interrupt mode adopted.
5939 * This routine it invoked to log the currently used active interrupt mode
5942 static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5944 switch (intr_mode) {
5946 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5947 "0470 Enable INTx interrupt mode.\n");
5950 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5951 "0481 Enabled MSI interrupt mode.\n");
5954 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5955 "0480 Enabled MSI-X interrupt mode.\n");
5958 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5959 "0482 Illegal interrupt mode.\n");
5966 * lpfc_enable_pci_dev - Enable a generic PCI device.
5967 * @phba: pointer to lpfc hba data structure.
5969 * This routine is invoked to enable the PCI device that is common to all
5974 * other values - error
5977 lpfc_enable_pci_dev(struct lpfc_hba *phba)
5979 struct pci_dev *pdev;
5981 /* Obtain PCI device reference */
5985 pdev = phba->pcidev;
5986 /* Enable PCI device */
5987 if (pci_enable_device_mem(pdev))
5989 /* Request PCI resource for the device */
5990 if (pci_request_mem_regions(pdev, LPFC_DRIVER_NAME))
5991 goto out_disable_device;
5992 /* Set up device as PCI master and save state for EEH */
5993 pci_set_master(pdev);
5994 pci_try_set_mwi(pdev);
5995 pci_save_state(pdev);
5997 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
5998 if (pci_is_pcie(pdev))
5999 pdev->needs_freset = 1;
6004 pci_disable_device(pdev);
6006 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6007 "1401 Failed to enable pci device\n");
6012 * lpfc_disable_pci_dev - Disable a generic PCI device.
6013 * @phba: pointer to lpfc hba data structure.
6015 * This routine is invoked to disable the PCI device that is common to all
6019 lpfc_disable_pci_dev(struct lpfc_hba *phba)
6021 struct pci_dev *pdev;
6023 /* Obtain PCI device reference */
6027 pdev = phba->pcidev;
6028 /* Release PCI resource and disable PCI device */
6029 pci_release_mem_regions(pdev);
6030 pci_disable_device(pdev);
6036 * lpfc_reset_hba - Reset a hba
6037 * @phba: pointer to lpfc hba data structure.
6039 * This routine is invoked to reset a hba device. It brings the HBA
6040 * offline, performs a board restart, and then brings the board back
6041 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
6042 * on outstanding mailbox commands.
6045 lpfc_reset_hba(struct lpfc_hba *phba)
6047 /* If resets are disabled then set error state and return. */
6048 if (!phba->cfg_enable_hba_reset) {
6049 phba->link_state = LPFC_HBA_ERROR;
6052 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
6053 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
6055 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
6057 lpfc_sli_brdrestart(phba);
6059 lpfc_unblock_mgmt_io(phba);
6063 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
6064 * @phba: pointer to lpfc hba data structure.
6066 * This function enables the PCI SR-IOV virtual functions to a physical
6067 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
6068 * enable the number of virtual functions to the physical function. As
6069 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
6070 * API call does not considered as an error condition for most of the device.
6073 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
6075 struct pci_dev *pdev = phba->pcidev;
6079 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
6083 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
6088 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
6089 * @phba: pointer to lpfc hba data structure.
6090 * @nr_vfn: number of virtual functions to be enabled.
6092 * This function enables the PCI SR-IOV virtual functions to a physical
6093 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
6094 * enable the number of virtual functions to the physical function. As
6095 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
6096 * API call does not considered as an error condition for most of the device.
6099 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
6101 struct pci_dev *pdev = phba->pcidev;
6102 uint16_t max_nr_vfn;
6105 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
6106 if (nr_vfn > max_nr_vfn) {
6107 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6108 "3057 Requested vfs (%d) greater than "
6109 "supported vfs (%d)", nr_vfn, max_nr_vfn);
6113 rc = pci_enable_sriov(pdev, nr_vfn);
6115 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6116 "2806 Failed to enable sriov on this device "
6117 "with vfn number nr_vf:%d, rc:%d\n",
6120 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6121 "2807 Successful enable sriov on this device "
6122 "with vfn number nr_vf:%d\n", nr_vfn);
6127 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
6128 * @phba: pointer to lpfc hba data structure.
6130 * This routine is invoked to set up the driver internal resources before the
6131 * device specific resource setup to support the HBA device it attached to.
6135 * other values - error
6138 lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
6140 struct lpfc_sli *psli = &phba->sli;
6143 * Driver resources common to all SLI revisions
6145 atomic_set(&phba->fast_event_count, 0);
6146 spin_lock_init(&phba->hbalock);
6148 /* Initialize ndlp management spinlock */
6149 spin_lock_init(&phba->ndlp_lock);
6151 /* Initialize port_list spinlock */
6152 spin_lock_init(&phba->port_list_lock);
6153 INIT_LIST_HEAD(&phba->port_list);
6155 INIT_LIST_HEAD(&phba->work_list);
6156 init_waitqueue_head(&phba->wait_4_mlo_m_q);
6158 /* Initialize the wait queue head for the kernel thread */
6159 init_waitqueue_head(&phba->work_waitq);
6161 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6162 "1403 Protocols supported %s %s %s\n",
6163 ((phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ?
6165 ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) ?
6167 (phba->nvmet_support ? "NVMET" : " "));
6169 /* Initialize the IO buffer list used by driver for SLI3 SCSI */
6170 spin_lock_init(&phba->scsi_buf_list_get_lock);
6171 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
6172 spin_lock_init(&phba->scsi_buf_list_put_lock);
6173 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
6175 /* Initialize the fabric iocb list */
6176 INIT_LIST_HEAD(&phba->fabric_iocb_list);
6178 /* Initialize list to save ELS buffers */
6179 INIT_LIST_HEAD(&phba->elsbuf);
6181 /* Initialize FCF connection rec list */
6182 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
6184 /* Initialize OAS configuration list */
6185 spin_lock_init(&phba->devicelock);
6186 INIT_LIST_HEAD(&phba->luns);
6188 /* MBOX heartbeat timer */
6189 timer_setup(&psli->mbox_tmo, lpfc_mbox_timeout, 0);
6190 /* Fabric block timer */
6191 timer_setup(&phba->fabric_block_timer, lpfc_fabric_block_timeout, 0);
6192 /* EA polling mode timer */
6193 timer_setup(&phba->eratt_poll, lpfc_poll_eratt, 0);
6194 /* Heartbeat timer */
6195 timer_setup(&phba->hb_tmofunc, lpfc_hb_timeout, 0);
6197 INIT_DELAYED_WORK(&phba->eq_delay_work, lpfc_hb_eq_delay_work);
6203 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev
6204 * @phba: pointer to lpfc hba data structure.
6206 * This routine is invoked to set up the driver internal resources specific to
6207 * support the SLI-3 HBA device it attached to.
6211 * other values - error
6214 lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
6219 * Initialize timers used by driver
6222 /* FCP polling mode timer */
6223 timer_setup(&phba->fcp_poll_timer, lpfc_poll_timeout, 0);
6225 /* Host attention work mask setup */
6226 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
6227 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
6229 /* Get all the module params for configuring this host */
6230 lpfc_get_cfgparam(phba);
6231 /* Set up phase-1 common device driver resources */
6233 rc = lpfc_setup_driver_resource_phase1(phba);
6237 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
6238 phba->menlo_flag |= HBA_MENLO_SUPPORT;
6239 /* check for menlo minimum sg count */
6240 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
6241 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
6244 if (!phba->sli.sli3_ring)
6245 phba->sli.sli3_ring = kcalloc(LPFC_SLI3_MAX_RING,
6246 sizeof(struct lpfc_sli_ring),
6248 if (!phba->sli.sli3_ring)
6252 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
6253 * used to create the sg_dma_buf_pool must be dynamically calculated.
6256 /* Initialize the host templates the configured values. */
6257 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
6258 lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt;
6259 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
6261 if (phba->sli_rev == LPFC_SLI_REV4)
6262 entry_sz = sizeof(struct sli4_sge);
6264 entry_sz = sizeof(struct ulp_bde64);
6266 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
6267 if (phba->cfg_enable_bg) {
6269 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
6270 * the FCP rsp, and a BDE for each. Sice we have no control
6271 * over how many protection data segments the SCSI Layer
6272 * will hand us (ie: there could be one for every block
6273 * in the IO), we just allocate enough BDEs to accomidate
6274 * our max amount and we need to limit lpfc_sg_seg_cnt to
6275 * minimize the risk of running out.
6277 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
6278 sizeof(struct fcp_rsp) +
6279 (LPFC_MAX_SG_SEG_CNT * entry_sz);
6281 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
6282 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
6284 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
6285 phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
6288 * The scsi_buf for a regular I/O will hold the FCP cmnd,
6289 * the FCP rsp, a BDE for each, and a BDE for up to
6290 * cfg_sg_seg_cnt data segments.
6292 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
6293 sizeof(struct fcp_rsp) +
6294 ((phba->cfg_sg_seg_cnt + 2) * entry_sz);
6296 /* Total BDEs in BPL for scsi_sg_list */
6297 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
6300 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
6301 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
6302 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
6303 phba->cfg_total_seg_cnt);
6305 phba->max_vpi = LPFC_MAX_VPI;
6306 /* This will be set to correct value after config_port mbox */
6307 phba->max_vports = 0;
6310 * Initialize the SLI Layer to run with lpfc HBAs.
6312 lpfc_sli_setup(phba);
6313 lpfc_sli_queue_init(phba);
6315 /* Allocate device driver memory */
6316 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
6320 * Enable sr-iov virtual functions if supported and configured
6321 * through the module parameter.
6323 if (phba->cfg_sriov_nr_virtfn > 0) {
6324 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
6325 phba->cfg_sriov_nr_virtfn);
6327 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6328 "2808 Requested number of SR-IOV "
6329 "virtual functions (%d) is not "
6331 phba->cfg_sriov_nr_virtfn);
6332 phba->cfg_sriov_nr_virtfn = 0;
6340 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
6341 * @phba: pointer to lpfc hba data structure.
6343 * This routine is invoked to unset the driver internal resources set up
6344 * specific for supporting the SLI-3 HBA device it attached to.
6347 lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
6349 /* Free device driver memory allocated */
6350 lpfc_mem_free_all(phba);
6356 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
6357 * @phba: pointer to lpfc hba data structure.
6359 * This routine is invoked to set up the driver internal resources specific to
6360 * support the SLI-4 HBA device it attached to.
6364 * other values - error
6367 lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
6369 LPFC_MBOXQ_t *mboxq;
6371 int rc, i, max_buf_size;
6372 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
6373 struct lpfc_mqe *mqe;
6380 phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
6381 phba->sli4_hba.num_possible_cpu = num_possible_cpus();
6382 phba->sli4_hba.curr_disp_cpu = 0;
6384 /* Get all the module params for configuring this host */
6385 lpfc_get_cfgparam(phba);
6387 /* Set up phase-1 common device driver resources */
6388 rc = lpfc_setup_driver_resource_phase1(phba);
6392 /* Before proceed, wait for POST done and device ready */
6393 rc = lpfc_sli4_post_status_check(phba);
6398 * Initialize timers used by driver
6401 timer_setup(&phba->rrq_tmr, lpfc_rrq_timeout, 0);
6403 /* FCF rediscover timer */
6404 timer_setup(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, 0);
6407 * Control structure for handling external multi-buffer mailbox
6408 * command pass-through.
6410 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
6411 sizeof(struct lpfc_mbox_ext_buf_ctx));
6412 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
6414 phba->max_vpi = LPFC_MAX_VPI;
6416 /* This will be set to correct value after the read_config mbox */
6417 phba->max_vports = 0;
6419 /* Program the default value of vlan_id and fc_map */
6420 phba->valid_vlan = 0;
6421 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
6422 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
6423 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
6426 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
6427 * we will associate a new ring, for each EQ/CQ/WQ tuple.
6428 * The WQ create will allocate the ring.
6432 * 1 for cmd, 1 for rsp, NVME adds an extra one
6433 * for boundary conditions in its max_sgl_segment template.
6436 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
6440 * It doesn't matter what family our adapter is in, we are
6441 * limited to 2 Pages, 512 SGEs, for our SGL.
6442 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
6444 max_buf_size = (2 * SLI4_PAGE_SIZE);
6447 * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size
6448 * used to create the sg_dma_buf_pool must be calculated.
6450 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) {
6452 * The scsi_buf for a T10-DIF I/O holds the FCP cmnd,
6453 * the FCP rsp, and a SGE. Sice we have no control
6454 * over how many protection segments the SCSI Layer
6455 * will hand us (ie: there could be one for every block
6456 * in the IO), just allocate enough SGEs to accomidate
6457 * our max amount and we need to limit lpfc_sg_seg_cnt
6458 * to minimize the risk of running out.
6460 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
6461 sizeof(struct fcp_rsp) + max_buf_size;
6463 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
6464 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
6467 * If supporting DIF, reduce the seg count for scsi to
6468 * allow room for the DIF sges.
6470 if (phba->cfg_enable_bg &&
6471 phba->cfg_sg_seg_cnt > LPFC_MAX_BG_SLI4_SEG_CNT_DIF)
6472 phba->cfg_scsi_seg_cnt = LPFC_MAX_BG_SLI4_SEG_CNT_DIF;
6474 phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt;
6478 * The scsi_buf for a regular I/O holds the FCP cmnd,
6479 * the FCP rsp, a SGE for each, and a SGE for up to
6480 * cfg_sg_seg_cnt data segments.
6482 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
6483 sizeof(struct fcp_rsp) +
6484 ((phba->cfg_sg_seg_cnt + extra) *
6485 sizeof(struct sli4_sge));
6487 /* Total SGEs for scsi_sg_list */
6488 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + extra;
6489 phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt;
6492 * NOTE: if (phba->cfg_sg_seg_cnt + extra) <= 256 we only
6493 * need to post 1 page for the SGL.
6497 /* Limit to LPFC_MAX_NVME_SEG_CNT for NVME. */
6498 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
6499 if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) {
6500 lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT,
6501 "6300 Reducing NVME sg segment "
6503 LPFC_MAX_NVME_SEG_CNT);
6504 phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT;
6506 phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt;
6509 /* Initialize the host templates with the updated values. */
6510 lpfc_vport_template.sg_tablesize = phba->cfg_scsi_seg_cnt;
6511 lpfc_template.sg_tablesize = phba->cfg_scsi_seg_cnt;
6512 lpfc_template_no_hr.sg_tablesize = phba->cfg_scsi_seg_cnt;
6514 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
6515 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
6517 phba->cfg_sg_dma_buf_size =
6518 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
6520 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
6521 "9087 sg_seg_cnt:%d dmabuf_size:%d "
6522 "total:%d scsi:%d nvme:%d\n",
6523 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
6524 phba->cfg_total_seg_cnt, phba->cfg_scsi_seg_cnt,
6525 phba->cfg_nvme_seg_cnt);
6527 /* Initialize buffer queue management fields */
6528 INIT_LIST_HEAD(&phba->hbqs[LPFC_ELS_HBQ].hbq_buffer_list);
6529 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
6530 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
6533 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
6535 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
6536 /* Initialize the Abort scsi buffer list used by driver */
6537 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
6538 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
6541 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
6542 /* Initialize the Abort nvme buffer list used by driver */
6543 spin_lock_init(&phba->sli4_hba.abts_nvmet_buf_list_lock);
6544 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
6545 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list);
6548 /* This abort list used by worker thread */
6549 spin_lock_init(&phba->sli4_hba.sgl_list_lock);
6550 spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock);
6553 * Initialize driver internal slow-path work queues
6556 /* Driver internel slow-path CQ Event pool */
6557 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
6558 /* Response IOCB work queue list */
6559 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
6560 /* Asynchronous event CQ Event work queue list */
6561 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
6562 /* Fast-path XRI aborted CQ Event work queue list */
6563 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
6564 /* Slow-path XRI aborted CQ Event work queue list */
6565 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
6566 /* Receive queue CQ Event work queue list */
6567 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
6569 /* Initialize extent block lists. */
6570 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
6571 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
6572 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
6573 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
6575 /* Initialize mboxq lists. If the early init routines fail
6576 * these lists need to be correctly initialized.
6578 INIT_LIST_HEAD(&phba->sli.mboxq);
6579 INIT_LIST_HEAD(&phba->sli.mboxq_cmpl);
6581 /* initialize optic_state to 0xFF */
6582 phba->sli4_hba.lnk_info.optic_state = 0xff;
6584 /* Allocate device driver memory */
6585 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
6589 /* IF Type 2 ports get initialized now. */
6590 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
6591 LPFC_SLI_INTF_IF_TYPE_2) {
6592 rc = lpfc_pci_function_reset(phba);
6597 phba->temp_sensor_support = 1;
6600 /* Create the bootstrap mailbox command */
6601 rc = lpfc_create_bootstrap_mbox(phba);
6605 /* Set up the host's endian order with the device. */
6606 rc = lpfc_setup_endian_order(phba);
6608 goto out_free_bsmbx;
6610 /* Set up the hba's configuration parameters. */
6611 rc = lpfc_sli4_read_config(phba);
6613 goto out_free_bsmbx;
6614 rc = lpfc_mem_alloc_active_rrq_pool_s4(phba);
6616 goto out_free_bsmbx;
6618 /* IF Type 0 ports get initialized now. */
6619 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
6620 LPFC_SLI_INTF_IF_TYPE_0) {
6621 rc = lpfc_pci_function_reset(phba);
6623 goto out_free_bsmbx;
6626 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6630 goto out_free_bsmbx;
6633 /* Check for NVMET being configured */
6634 phba->nvmet_support = 0;
6635 if (lpfc_enable_nvmet_cnt) {
6637 /* First get WWN of HBA instance */
6638 lpfc_read_nv(phba, mboxq);
6639 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6640 if (rc != MBX_SUCCESS) {
6641 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6642 "6016 Mailbox failed , mbxCmd x%x "
6643 "READ_NV, mbxStatus x%x\n",
6644 bf_get(lpfc_mqe_command, &mboxq->u.mqe),
6645 bf_get(lpfc_mqe_status, &mboxq->u.mqe));
6646 mempool_free(mboxq, phba->mbox_mem_pool);
6648 goto out_free_bsmbx;
6651 memcpy(&wwn, (char *)mb->un.varRDnvp.nodename,
6653 wwn = cpu_to_be64(wwn);
6654 phba->sli4_hba.wwnn.u.name = wwn;
6655 memcpy(&wwn, (char *)mb->un.varRDnvp.portname,
6657 /* wwn is WWPN of HBA instance */
6658 wwn = cpu_to_be64(wwn);
6659 phba->sli4_hba.wwpn.u.name = wwn;
6661 /* Check to see if it matches any module parameter */
6662 for (i = 0; i < lpfc_enable_nvmet_cnt; i++) {
6663 if (wwn == lpfc_enable_nvmet[i]) {
6664 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
6665 if (lpfc_nvmet_mem_alloc(phba))
6668 phba->nvmet_support = 1; /* a match */
6670 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6671 "6017 NVME Target %016llx\n",
6674 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6675 "6021 Can't enable NVME Target."
6676 " NVME_TARGET_FC infrastructure"
6677 " is not in kernel\n");
6679 /* Not supported for NVMET */
6680 phba->cfg_xri_rebalancing = 0;
6686 lpfc_nvme_mod_param_dep(phba);
6688 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
6689 lpfc_supported_pages(mboxq);
6690 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6692 mqe = &mboxq->u.mqe;
6693 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
6694 LPFC_MAX_SUPPORTED_PAGES);
6695 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
6696 switch (pn_page[i]) {
6697 case LPFC_SLI4_PARAMETERS:
6698 phba->sli4_hba.pc_sli4_params.supported = 1;
6704 /* Read the port's SLI4 Parameters capabilities if supported. */
6705 if (phba->sli4_hba.pc_sli4_params.supported)
6706 rc = lpfc_pc_sli4_params_get(phba, mboxq);
6708 mempool_free(mboxq, phba->mbox_mem_pool);
6710 goto out_free_bsmbx;
6715 * Get sli4 parameters that override parameters from Port capabilities.
6716 * If this call fails, it isn't critical unless the SLI4 parameters come
6719 rc = lpfc_get_sli4_parameters(phba, mboxq);
6721 if_type = bf_get(lpfc_sli_intf_if_type,
6722 &phba->sli4_hba.sli_intf);
6723 if_fam = bf_get(lpfc_sli_intf_sli_family,
6724 &phba->sli4_hba.sli_intf);
6725 if (phba->sli4_hba.extents_in_use &&
6726 phba->sli4_hba.rpi_hdrs_in_use) {
6727 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6728 "2999 Unsupported SLI4 Parameters "
6729 "Extents and RPI headers enabled.\n");
6730 if (if_type == LPFC_SLI_INTF_IF_TYPE_0 &&
6731 if_fam == LPFC_SLI_INTF_FAMILY_BE2) {
6732 mempool_free(mboxq, phba->mbox_mem_pool);
6734 goto out_free_bsmbx;
6737 if (!(if_type == LPFC_SLI_INTF_IF_TYPE_0 &&
6738 if_fam == LPFC_SLI_INTF_FAMILY_BE2)) {
6739 mempool_free(mboxq, phba->mbox_mem_pool);
6741 goto out_free_bsmbx;
6745 mempool_free(mboxq, phba->mbox_mem_pool);
6747 /* Verify OAS is supported */
6748 lpfc_sli4_oas_verify(phba);
6750 /* Verify RAS support on adapter */
6751 lpfc_sli4_ras_init(phba);
6753 /* Verify all the SLI4 queues */
6754 rc = lpfc_sli4_queue_verify(phba);
6756 goto out_free_bsmbx;
6758 /* Create driver internal CQE event pool */
6759 rc = lpfc_sli4_cq_event_pool_create(phba);
6761 goto out_free_bsmbx;
6763 /* Initialize sgl lists per host */
6764 lpfc_init_sgl_list(phba);
6766 /* Allocate and initialize active sgl array */
6767 rc = lpfc_init_active_sgl_array(phba);
6769 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6770 "1430 Failed to initialize sgl list.\n");
6771 goto out_destroy_cq_event_pool;
6773 rc = lpfc_sli4_init_rpi_hdrs(phba);
6775 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6776 "1432 Failed to initialize rpi headers.\n");
6777 goto out_free_active_sgl;
6780 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
6781 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
6782 phba->fcf.fcf_rr_bmask = kcalloc(longs, sizeof(unsigned long),
6784 if (!phba->fcf.fcf_rr_bmask) {
6785 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6786 "2759 Failed allocate memory for FCF round "
6787 "robin failover bmask\n");
6789 goto out_remove_rpi_hdrs;
6792 phba->sli4_hba.hba_eq_hdl = kcalloc(phba->cfg_irq_chann,
6793 sizeof(struct lpfc_hba_eq_hdl),
6795 if (!phba->sli4_hba.hba_eq_hdl) {
6796 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6797 "2572 Failed allocate memory for "
6798 "fast-path per-EQ handle array\n");
6800 goto out_free_fcf_rr_bmask;
6803 phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_possible_cpu,
6804 sizeof(struct lpfc_vector_map_info),
6806 if (!phba->sli4_hba.cpu_map) {
6807 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6808 "3327 Failed allocate memory for msi-x "
6809 "interrupt vector mapping\n");
6811 goto out_free_hba_eq_hdl;
6814 phba->sli4_hba.eq_info = alloc_percpu(struct lpfc_eq_intr_info);
6815 if (!phba->sli4_hba.eq_info) {
6816 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6817 "3321 Failed allocation for per_cpu stats\n");
6819 goto out_free_hba_cpu_map;
6822 * Enable sr-iov virtual functions if supported and configured
6823 * through the module parameter.
6825 if (phba->cfg_sriov_nr_virtfn > 0) {
6826 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
6827 phba->cfg_sriov_nr_virtfn);
6829 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6830 "3020 Requested number of SR-IOV "
6831 "virtual functions (%d) is not "
6833 phba->cfg_sriov_nr_virtfn);
6834 phba->cfg_sriov_nr_virtfn = 0;
6840 out_free_hba_cpu_map:
6841 kfree(phba->sli4_hba.cpu_map);
6842 out_free_hba_eq_hdl:
6843 kfree(phba->sli4_hba.hba_eq_hdl);
6844 out_free_fcf_rr_bmask:
6845 kfree(phba->fcf.fcf_rr_bmask);
6846 out_remove_rpi_hdrs:
6847 lpfc_sli4_remove_rpi_hdrs(phba);
6848 out_free_active_sgl:
6849 lpfc_free_active_sgl(phba);
6850 out_destroy_cq_event_pool:
6851 lpfc_sli4_cq_event_pool_destroy(phba);
6853 lpfc_destroy_bootstrap_mbox(phba);
6855 lpfc_mem_free(phba);
6860 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
6861 * @phba: pointer to lpfc hba data structure.
6863 * This routine is invoked to unset the driver internal resources set up
6864 * specific for supporting the SLI-4 HBA device it attached to.
6867 lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
6869 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
6871 free_percpu(phba->sli4_hba.eq_info);
6873 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
6874 kfree(phba->sli4_hba.cpu_map);
6875 phba->sli4_hba.num_possible_cpu = 0;
6876 phba->sli4_hba.num_present_cpu = 0;
6877 phba->sli4_hba.curr_disp_cpu = 0;
6879 /* Free memory allocated for fast-path work queue handles */
6880 kfree(phba->sli4_hba.hba_eq_hdl);
6882 /* Free the allocated rpi headers. */
6883 lpfc_sli4_remove_rpi_hdrs(phba);
6884 lpfc_sli4_remove_rpis(phba);
6886 /* Free eligible FCF index bmask */
6887 kfree(phba->fcf.fcf_rr_bmask);
6889 /* Free the ELS sgl list */
6890 lpfc_free_active_sgl(phba);
6891 lpfc_free_els_sgl_list(phba);
6892 lpfc_free_nvmet_sgl_list(phba);
6894 /* Free the completion queue EQ event pool */
6895 lpfc_sli4_cq_event_release_all(phba);
6896 lpfc_sli4_cq_event_pool_destroy(phba);
6898 /* Release resource identifiers. */
6899 lpfc_sli4_dealloc_resource_identifiers(phba);
6901 /* Free the bsmbx region. */
6902 lpfc_destroy_bootstrap_mbox(phba);
6904 /* Free the SLI Layer memory with SLI4 HBAs */
6905 lpfc_mem_free_all(phba);
6907 /* Free the current connect table */
6908 list_for_each_entry_safe(conn_entry, next_conn_entry,
6909 &phba->fcf_conn_rec_list, list) {
6910 list_del_init(&conn_entry->list);
6918 * lpfc_init_api_table_setup - Set up init api function jump table
6919 * @phba: The hba struct for which this call is being executed.
6920 * @dev_grp: The HBA PCI-Device group number.
6922 * This routine sets up the device INIT interface API function jump table
6925 * Returns: 0 - success, -ENODEV - failure.
6928 lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
6930 phba->lpfc_hba_init_link = lpfc_hba_init_link;
6931 phba->lpfc_hba_down_link = lpfc_hba_down_link;
6932 phba->lpfc_selective_reset = lpfc_selective_reset;
6934 case LPFC_PCI_DEV_LP:
6935 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
6936 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
6937 phba->lpfc_stop_port = lpfc_stop_port_s3;
6939 case LPFC_PCI_DEV_OC:
6940 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
6941 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
6942 phba->lpfc_stop_port = lpfc_stop_port_s4;
6945 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6946 "1431 Invalid HBA PCI-device group: 0x%x\n",
6955 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
6956 * @phba: pointer to lpfc hba data structure.
6958 * This routine is invoked to set up the driver internal resources after the
6959 * device specific resource setup to support the HBA device it attached to.
6963 * other values - error
6966 lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
6970 /* Startup the kernel thread for this host adapter. */
6971 phba->worker_thread = kthread_run(lpfc_do_work, phba,
6972 "lpfc_worker_%d", phba->brd_no);
6973 if (IS_ERR(phba->worker_thread)) {
6974 error = PTR_ERR(phba->worker_thread);
6978 /* The lpfc_wq workqueue for deferred irq use, is only used for SLI4 */
6979 if (phba->sli_rev == LPFC_SLI_REV4)
6980 phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM, 0);
6988 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
6989 * @phba: pointer to lpfc hba data structure.
6991 * This routine is invoked to unset the driver internal resources set up after
6992 * the device specific resource setup for supporting the HBA device it
6996 lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
6999 flush_workqueue(phba->wq);
7000 destroy_workqueue(phba->wq);
7004 /* Stop kernel worker thread */
7005 if (phba->worker_thread)
7006 kthread_stop(phba->worker_thread);
7010 * lpfc_free_iocb_list - Free iocb list.
7011 * @phba: pointer to lpfc hba data structure.
7013 * This routine is invoked to free the driver's IOCB list and memory.
7016 lpfc_free_iocb_list(struct lpfc_hba *phba)
7018 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
7020 spin_lock_irq(&phba->hbalock);
7021 list_for_each_entry_safe(iocbq_entry, iocbq_next,
7022 &phba->lpfc_iocb_list, list) {
7023 list_del(&iocbq_entry->list);
7025 phba->total_iocbq_bufs--;
7027 spin_unlock_irq(&phba->hbalock);
7033 * lpfc_init_iocb_list - Allocate and initialize iocb list.
7034 * @phba: pointer to lpfc hba data structure.
7036 * This routine is invoked to allocate and initizlize the driver's IOCB
7037 * list and set up the IOCB tag array accordingly.
7041 * other values - error
7044 lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
7046 struct lpfc_iocbq *iocbq_entry = NULL;
7050 /* Initialize and populate the iocb list per host. */
7051 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
7052 for (i = 0; i < iocb_count; i++) {
7053 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
7054 if (iocbq_entry == NULL) {
7055 printk(KERN_ERR "%s: only allocated %d iocbs of "
7056 "expected %d count. Unloading driver.\n",
7057 __func__, i, LPFC_IOCB_LIST_CNT);
7058 goto out_free_iocbq;
7061 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
7064 printk(KERN_ERR "%s: failed to allocate IOTAG. "
7065 "Unloading driver.\n", __func__);
7066 goto out_free_iocbq;
7068 iocbq_entry->sli4_lxritag = NO_XRI;
7069 iocbq_entry->sli4_xritag = NO_XRI;
7071 spin_lock_irq(&phba->hbalock);
7072 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
7073 phba->total_iocbq_bufs++;
7074 spin_unlock_irq(&phba->hbalock);
7080 lpfc_free_iocb_list(phba);
7086 * lpfc_free_sgl_list - Free a given sgl list.
7087 * @phba: pointer to lpfc hba data structure.
7088 * @sglq_list: pointer to the head of sgl list.
7090 * This routine is invoked to free a give sgl list and memory.
7093 lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
7095 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
7097 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
7098 list_del(&sglq_entry->list);
7099 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
7105 * lpfc_free_els_sgl_list - Free els sgl list.
7106 * @phba: pointer to lpfc hba data structure.
7108 * This routine is invoked to free the driver's els sgl list and memory.
7111 lpfc_free_els_sgl_list(struct lpfc_hba *phba)
7113 LIST_HEAD(sglq_list);
7115 /* Retrieve all els sgls from driver list */
7116 spin_lock_irq(&phba->hbalock);
7117 spin_lock(&phba->sli4_hba.sgl_list_lock);
7118 list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &sglq_list);
7119 spin_unlock(&phba->sli4_hba.sgl_list_lock);
7120 spin_unlock_irq(&phba->hbalock);
7122 /* Now free the sgl list */
7123 lpfc_free_sgl_list(phba, &sglq_list);
7127 * lpfc_free_nvmet_sgl_list - Free nvmet sgl list.
7128 * @phba: pointer to lpfc hba data structure.
7130 * This routine is invoked to free the driver's nvmet sgl list and memory.
7133 lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba)
7135 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
7136 LIST_HEAD(sglq_list);
7138 /* Retrieve all nvmet sgls from driver list */
7139 spin_lock_irq(&phba->hbalock);
7140 spin_lock(&phba->sli4_hba.sgl_list_lock);
7141 list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, &sglq_list);
7142 spin_unlock(&phba->sli4_hba.sgl_list_lock);
7143 spin_unlock_irq(&phba->hbalock);
7145 /* Now free the sgl list */
7146 list_for_each_entry_safe(sglq_entry, sglq_next, &sglq_list, list) {
7147 list_del(&sglq_entry->list);
7148 lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys);
7152 /* Update the nvmet_xri_cnt to reflect no current sgls.
7153 * The next initialization cycle sets the count and allocates
7154 * the sgls over again.
7156 phba->sli4_hba.nvmet_xri_cnt = 0;
7160 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
7161 * @phba: pointer to lpfc hba data structure.
7163 * This routine is invoked to allocate the driver's active sgl memory.
7164 * This array will hold the sglq_entry's for active IOs.
7167 lpfc_init_active_sgl_array(struct lpfc_hba *phba)
7170 size = sizeof(struct lpfc_sglq *);
7171 size *= phba->sli4_hba.max_cfg_param.max_xri;
7173 phba->sli4_hba.lpfc_sglq_active_list =
7174 kzalloc(size, GFP_KERNEL);
7175 if (!phba->sli4_hba.lpfc_sglq_active_list)
7181 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
7182 * @phba: pointer to lpfc hba data structure.
7184 * This routine is invoked to walk through the array of active sglq entries
7185 * and free all of the resources.
7186 * This is just a place holder for now.
7189 lpfc_free_active_sgl(struct lpfc_hba *phba)
7191 kfree(phba->sli4_hba.lpfc_sglq_active_list);
7195 * lpfc_init_sgl_list - Allocate and initialize sgl list.
7196 * @phba: pointer to lpfc hba data structure.
7198 * This routine is invoked to allocate and initizlize the driver's sgl
7199 * list and set up the sgl xritag tag array accordingly.
7203 lpfc_init_sgl_list(struct lpfc_hba *phba)
7205 /* Initialize and populate the sglq list per host/VF. */
7206 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_els_sgl_list);
7207 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
7208 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_sgl_list);
7209 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
7211 /* els xri-sgl book keeping */
7212 phba->sli4_hba.els_xri_cnt = 0;
7214 /* nvme xri-buffer book keeping */
7215 phba->sli4_hba.io_xri_cnt = 0;
7219 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
7220 * @phba: pointer to lpfc hba data structure.
7222 * This routine is invoked to post rpi header templates to the
7223 * port for those SLI4 ports that do not support extents. This routine
7224 * posts a PAGE_SIZE memory region to the port to hold up to
7225 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
7226 * and should be called only when interrupts are disabled.
7230 * -ERROR - otherwise.
7233 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
7236 struct lpfc_rpi_hdr *rpi_hdr;
7238 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
7239 if (!phba->sli4_hba.rpi_hdrs_in_use)
7241 if (phba->sli4_hba.extents_in_use)
7244 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
7246 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7247 "0391 Error during rpi post operation\n");
7248 lpfc_sli4_remove_rpis(phba);
7256 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
7257 * @phba: pointer to lpfc hba data structure.
7259 * This routine is invoked to allocate a single 4KB memory region to
7260 * support rpis and stores them in the phba. This single region
7261 * provides support for up to 64 rpis. The region is used globally
7265 * A valid rpi hdr on success.
7266 * A NULL pointer on any failure.
7268 struct lpfc_rpi_hdr *
7269 lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
7271 uint16_t rpi_limit, curr_rpi_range;
7272 struct lpfc_dmabuf *dmabuf;
7273 struct lpfc_rpi_hdr *rpi_hdr;
7276 * If the SLI4 port supports extents, posting the rpi header isn't
7277 * required. Set the expected maximum count and let the actual value
7278 * get set when extents are fully allocated.
7280 if (!phba->sli4_hba.rpi_hdrs_in_use)
7282 if (phba->sli4_hba.extents_in_use)
7285 /* The limit on the logical index is just the max_rpi count. */
7286 rpi_limit = phba->sli4_hba.max_cfg_param.max_rpi;
7288 spin_lock_irq(&phba->hbalock);
7290 * Establish the starting RPI in this header block. The starting
7291 * rpi is normalized to a zero base because the physical rpi is
7294 curr_rpi_range = phba->sli4_hba.next_rpi;
7295 spin_unlock_irq(&phba->hbalock);
7297 /* Reached full RPI range */
7298 if (curr_rpi_range == rpi_limit)
7302 * First allocate the protocol header region for the port. The
7303 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
7305 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
7309 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
7310 LPFC_HDR_TEMPLATE_SIZE,
7311 &dmabuf->phys, GFP_KERNEL);
7312 if (!dmabuf->virt) {
7314 goto err_free_dmabuf;
7317 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
7319 goto err_free_coherent;
7322 /* Save the rpi header data for cleanup later. */
7323 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
7325 goto err_free_coherent;
7327 rpi_hdr->dmabuf = dmabuf;
7328 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
7329 rpi_hdr->page_count = 1;
7330 spin_lock_irq(&phba->hbalock);
7332 /* The rpi_hdr stores the logical index only. */
7333 rpi_hdr->start_rpi = curr_rpi_range;
7334 rpi_hdr->next_rpi = phba->sli4_hba.next_rpi + LPFC_RPI_HDR_COUNT;
7335 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
7337 spin_unlock_irq(&phba->hbalock);
7341 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
7342 dmabuf->virt, dmabuf->phys);
7349 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
7350 * @phba: pointer to lpfc hba data structure.
7352 * This routine is invoked to remove all memory resources allocated
7353 * to support rpis for SLI4 ports not supporting extents. This routine
7354 * presumes the caller has released all rpis consumed by fabric or port
7355 * logins and is prepared to have the header pages removed.
7358 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
7360 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
7362 if (!phba->sli4_hba.rpi_hdrs_in_use)
7365 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
7366 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
7367 list_del(&rpi_hdr->list);
7368 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
7369 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
7370 kfree(rpi_hdr->dmabuf);
7374 /* There are no rpis available to the port now. */
7375 phba->sli4_hba.next_rpi = 0;
7379 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
7380 * @pdev: pointer to pci device data structure.
7382 * This routine is invoked to allocate the driver hba data structure for an
7383 * HBA device. If the allocation is successful, the phba reference to the
7384 * PCI device data structure is set.
7387 * pointer to @phba - successful
7390 static struct lpfc_hba *
7391 lpfc_hba_alloc(struct pci_dev *pdev)
7393 struct lpfc_hba *phba;
7395 /* Allocate memory for HBA structure */
7396 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
7398 dev_err(&pdev->dev, "failed to allocate hba struct\n");
7402 /* Set reference to PCI device in HBA structure */
7403 phba->pcidev = pdev;
7405 /* Assign an unused board number */
7406 phba->brd_no = lpfc_get_instance();
7407 if (phba->brd_no < 0) {
7411 phba->eratt_poll_interval = LPFC_ERATT_POLL_INTERVAL;
7413 spin_lock_init(&phba->ct_ev_lock);
7414 INIT_LIST_HEAD(&phba->ct_ev_waiters);
7420 * lpfc_hba_free - Free driver hba data structure with a device.
7421 * @phba: pointer to lpfc hba data structure.
7423 * This routine is invoked to free the driver hba data structure with an
7427 lpfc_hba_free(struct lpfc_hba *phba)
7429 if (phba->sli_rev == LPFC_SLI_REV4)
7430 kfree(phba->sli4_hba.hdwq);
7432 /* Release the driver assigned board number */
7433 idr_remove(&lpfc_hba_index, phba->brd_no);
7435 /* Free memory allocated with sli3 rings */
7436 kfree(phba->sli.sli3_ring);
7437 phba->sli.sli3_ring = NULL;
7444 * lpfc_create_shost - Create hba physical port with associated scsi host.
7445 * @phba: pointer to lpfc hba data structure.
7447 * This routine is invoked to create HBA physical port and associate a SCSI
7452 * other values - error
7455 lpfc_create_shost(struct lpfc_hba *phba)
7457 struct lpfc_vport *vport;
7458 struct Scsi_Host *shost;
7460 /* Initialize HBA FC structure */
7461 phba->fc_edtov = FF_DEF_EDTOV;
7462 phba->fc_ratov = FF_DEF_RATOV;
7463 phba->fc_altov = FF_DEF_ALTOV;
7464 phba->fc_arbtov = FF_DEF_ARBTOV;
7466 atomic_set(&phba->sdev_cnt, 0);
7467 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
7471 shost = lpfc_shost_from_vport(vport);
7472 phba->pport = vport;
7474 if (phba->nvmet_support) {
7475 /* Only 1 vport (pport) will support NVME target */
7476 if (phba->txrdy_payload_pool == NULL) {
7477 phba->txrdy_payload_pool = dma_pool_create(
7478 "txrdy_pool", &phba->pcidev->dev,
7479 TXRDY_PAYLOAD_LEN, 16, 0);
7480 if (phba->txrdy_payload_pool) {
7481 phba->targetport = NULL;
7482 phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME;
7483 lpfc_printf_log(phba, KERN_INFO,
7484 LOG_INIT | LOG_NVME_DISC,
7485 "6076 NVME Target Found\n");
7490 lpfc_debugfs_initialize(vport);
7491 /* Put reference to SCSI host to driver's device private data */
7492 pci_set_drvdata(phba->pcidev, shost);
7495 * At this point we are fully registered with PSA. In addition,
7496 * any initial discovery should be completed.
7498 vport->load_flag |= FC_ALLOW_FDMI;
7499 if (phba->cfg_enable_SmartSAN ||
7500 (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) {
7502 /* Setup appropriate attribute masks */
7503 vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR;
7504 if (phba->cfg_enable_SmartSAN)
7505 vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR;
7507 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
7513 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
7514 * @phba: pointer to lpfc hba data structure.
7516 * This routine is invoked to destroy HBA physical port and the associated
7520 lpfc_destroy_shost(struct lpfc_hba *phba)
7522 struct lpfc_vport *vport = phba->pport;
7524 /* Destroy physical port that associated with the SCSI host */
7525 destroy_port(vport);
7531 * lpfc_setup_bg - Setup Block guard structures and debug areas.
7532 * @phba: pointer to lpfc hba data structure.
7533 * @shost: the shost to be used to detect Block guard settings.
7535 * This routine sets up the local Block guard protocol settings for @shost.
7536 * This routine also allocates memory for debugging bg buffers.
7539 lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
7545 if (phba->cfg_prot_mask && phba->cfg_prot_guard) {
7546 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7547 "1478 Registering BlockGuard with the "
7550 old_mask = phba->cfg_prot_mask;
7551 old_guard = phba->cfg_prot_guard;
7553 /* Only allow supported values */
7554 phba->cfg_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
7555 SHOST_DIX_TYPE0_PROTECTION |
7556 SHOST_DIX_TYPE1_PROTECTION);
7557 phba->cfg_prot_guard &= (SHOST_DIX_GUARD_IP |
7558 SHOST_DIX_GUARD_CRC);
7560 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
7561 if (phba->cfg_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
7562 phba->cfg_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
7564 if (phba->cfg_prot_mask && phba->cfg_prot_guard) {
7565 if ((old_mask != phba->cfg_prot_mask) ||
7566 (old_guard != phba->cfg_prot_guard))
7567 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7568 "1475 Registering BlockGuard with the "
7569 "SCSI layer: mask %d guard %d\n",
7570 phba->cfg_prot_mask,
7571 phba->cfg_prot_guard);
7573 scsi_host_set_prot(shost, phba->cfg_prot_mask);
7574 scsi_host_set_guard(shost, phba->cfg_prot_guard);
7576 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7577 "1479 Not Registering BlockGuard with the SCSI "
7578 "layer, Bad protection parameters: %d %d\n",
7579 old_mask, old_guard);
7582 if (!_dump_buf_data) {
7584 spin_lock_init(&_dump_buf_lock);
7586 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
7587 if (_dump_buf_data) {
7588 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
7589 "9043 BLKGRD: allocated %d pages for "
7590 "_dump_buf_data at 0x%p\n",
7591 (1 << pagecnt), _dump_buf_data);
7592 _dump_buf_data_order = pagecnt;
7593 memset(_dump_buf_data, 0,
7594 ((1 << PAGE_SHIFT) << pagecnt));
7599 if (!_dump_buf_data_order)
7600 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
7601 "9044 BLKGRD: ERROR unable to allocate "
7602 "memory for hexdump\n");
7604 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
7605 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
7606 "\n", _dump_buf_data);
7607 if (!_dump_buf_dif) {
7610 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
7611 if (_dump_buf_dif) {
7612 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
7613 "9046 BLKGRD: allocated %d pages for "
7614 "_dump_buf_dif at 0x%p\n",
7615 (1 << pagecnt), _dump_buf_dif);
7616 _dump_buf_dif_order = pagecnt;
7617 memset(_dump_buf_dif, 0,
7618 ((1 << PAGE_SHIFT) << pagecnt));
7623 if (!_dump_buf_dif_order)
7624 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
7625 "9047 BLKGRD: ERROR unable to allocate "
7626 "memory for hexdump\n");
7628 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
7629 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
7634 * lpfc_post_init_setup - Perform necessary device post initialization setup.
7635 * @phba: pointer to lpfc hba data structure.
7637 * This routine is invoked to perform all the necessary post initialization
7638 * setup for the device.
7641 lpfc_post_init_setup(struct lpfc_hba *phba)
7643 struct Scsi_Host *shost;
7644 struct lpfc_adapter_event_header adapter_event;
7646 /* Get the default values for Model Name and Description */
7647 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
7650 * hba setup may have changed the hba_queue_depth so we need to
7651 * adjust the value of can_queue.
7653 shost = pci_get_drvdata(phba->pcidev);
7654 shost->can_queue = phba->cfg_hba_queue_depth - 10;
7655 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
7656 lpfc_setup_bg(phba, shost);
7658 lpfc_host_attrib_init(shost);
7660 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
7661 spin_lock_irq(shost->host_lock);
7662 lpfc_poll_start_timer(phba);
7663 spin_unlock_irq(shost->host_lock);
7666 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7667 "0428 Perform SCSI scan\n");
7668 /* Send board arrival event to upper layer */
7669 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
7670 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
7671 fc_host_post_vendor_event(shost, fc_get_event_number(),
7672 sizeof(adapter_event),
7673 (char *) &adapter_event,
7679 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
7680 * @phba: pointer to lpfc hba data structure.
7682 * This routine is invoked to set up the PCI device memory space for device
7683 * with SLI-3 interface spec.
7687 * other values - error
7690 lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
7692 struct pci_dev *pdev = phba->pcidev;
7693 unsigned long bar0map_len, bar2map_len;
7696 int error = -ENODEV;
7701 /* Set the device DMA mask size */
7702 if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
7703 dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))
7706 /* Get the bus address of Bar0 and Bar2 and the number of bytes
7707 * required by each mapping.
7709 phba->pci_bar0_map = pci_resource_start(pdev, 0);
7710 bar0map_len = pci_resource_len(pdev, 0);
7712 phba->pci_bar2_map = pci_resource_start(pdev, 2);
7713 bar2map_len = pci_resource_len(pdev, 2);
7715 /* Map HBA SLIM to a kernel virtual address. */
7716 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
7717 if (!phba->slim_memmap_p) {
7718 dev_printk(KERN_ERR, &pdev->dev,
7719 "ioremap failed for SLIM memory.\n");
7723 /* Map HBA Control Registers to a kernel virtual address. */
7724 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
7725 if (!phba->ctrl_regs_memmap_p) {
7726 dev_printk(KERN_ERR, &pdev->dev,
7727 "ioremap failed for HBA control registers.\n");
7728 goto out_iounmap_slim;
7731 /* Allocate memory for SLI-2 structures */
7732 phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE,
7733 &phba->slim2p.phys, GFP_KERNEL);
7734 if (!phba->slim2p.virt)
7737 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7738 phba->mbox_ext = (phba->slim2p.virt +
7739 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
7740 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
7741 phba->IOCBs = (phba->slim2p.virt +
7742 offsetof(struct lpfc_sli2_slim, IOCBs));
7744 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
7745 lpfc_sli_hbq_size(),
7746 &phba->hbqslimp.phys,
7748 if (!phba->hbqslimp.virt)
7751 hbq_count = lpfc_sli_hbq_count();
7752 ptr = phba->hbqslimp.virt;
7753 for (i = 0; i < hbq_count; ++i) {
7754 phba->hbqs[i].hbq_virt = ptr;
7755 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
7756 ptr += (lpfc_hbq_defs[i]->entry_count *
7757 sizeof(struct lpfc_hbq_entry));
7759 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
7760 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
7762 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
7764 phba->MBslimaddr = phba->slim_memmap_p;
7765 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
7766 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
7767 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
7768 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
7773 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
7774 phba->slim2p.virt, phba->slim2p.phys);
7776 iounmap(phba->ctrl_regs_memmap_p);
7778 iounmap(phba->slim_memmap_p);
7784 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
7785 * @phba: pointer to lpfc hba data structure.
7787 * This routine is invoked to unset the PCI device memory space for device
7788 * with SLI-3 interface spec.
7791 lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
7793 struct pci_dev *pdev;
7795 /* Obtain PCI device reference */
7799 pdev = phba->pcidev;
7801 /* Free coherent DMA memory allocated */
7802 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
7803 phba->hbqslimp.virt, phba->hbqslimp.phys);
7804 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
7805 phba->slim2p.virt, phba->slim2p.phys);
7807 /* I/O memory unmap */
7808 iounmap(phba->ctrl_regs_memmap_p);
7809 iounmap(phba->slim_memmap_p);
7815 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
7816 * @phba: pointer to lpfc hba data structure.
7818 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
7819 * done and check status.
7821 * Return 0 if successful, otherwise -ENODEV.
7824 lpfc_sli4_post_status_check(struct lpfc_hba *phba)
7826 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
7827 struct lpfc_register reg_data;
7828 int i, port_error = 0;
7831 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
7832 memset(®_data, 0, sizeof(reg_data));
7833 if (!phba->sli4_hba.PSMPHRregaddr)
7836 /* Wait up to 30 seconds for the SLI Port POST done and ready */
7837 for (i = 0; i < 3000; i++) {
7838 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
7839 &portsmphr_reg.word0) ||
7840 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
7841 /* Port has a fatal POST error, break out */
7842 port_error = -ENODEV;
7845 if (LPFC_POST_STAGE_PORT_READY ==
7846 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
7852 * If there was a port error during POST, then don't proceed with
7853 * other register reads as the data may not be valid. Just exit.
7856 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7857 "1408 Port Failed POST - portsmphr=0x%x, "
7858 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
7859 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
7860 portsmphr_reg.word0,
7861 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
7862 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
7863 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
7864 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
7865 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
7866 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
7867 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
7868 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
7870 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7871 "2534 Device Info: SLIFamily=0x%x, "
7872 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
7873 "SLIHint_2=0x%x, FT=0x%x\n",
7874 bf_get(lpfc_sli_intf_sli_family,
7875 &phba->sli4_hba.sli_intf),
7876 bf_get(lpfc_sli_intf_slirev,
7877 &phba->sli4_hba.sli_intf),
7878 bf_get(lpfc_sli_intf_if_type,
7879 &phba->sli4_hba.sli_intf),
7880 bf_get(lpfc_sli_intf_sli_hint1,
7881 &phba->sli4_hba.sli_intf),
7882 bf_get(lpfc_sli_intf_sli_hint2,
7883 &phba->sli4_hba.sli_intf),
7884 bf_get(lpfc_sli_intf_func_type,
7885 &phba->sli4_hba.sli_intf));
7887 * Check for other Port errors during the initialization
7888 * process. Fail the load if the port did not come up
7891 if_type = bf_get(lpfc_sli_intf_if_type,
7892 &phba->sli4_hba.sli_intf);
7894 case LPFC_SLI_INTF_IF_TYPE_0:
7895 phba->sli4_hba.ue_mask_lo =
7896 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
7897 phba->sli4_hba.ue_mask_hi =
7898 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
7900 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
7902 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
7903 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
7904 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
7905 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7906 "1422 Unrecoverable Error "
7907 "Detected during POST "
7908 "uerr_lo_reg=0x%x, "
7909 "uerr_hi_reg=0x%x, "
7910 "ue_mask_lo_reg=0x%x, "
7911 "ue_mask_hi_reg=0x%x\n",
7914 phba->sli4_hba.ue_mask_lo,
7915 phba->sli4_hba.ue_mask_hi);
7916 port_error = -ENODEV;
7919 case LPFC_SLI_INTF_IF_TYPE_2:
7920 case LPFC_SLI_INTF_IF_TYPE_6:
7921 /* Final checks. The port status should be clean. */
7922 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
7924 (bf_get(lpfc_sliport_status_err, ®_data) &&
7925 !bf_get(lpfc_sliport_status_rn, ®_data))) {
7926 phba->work_status[0] =
7927 readl(phba->sli4_hba.u.if_type2.
7929 phba->work_status[1] =
7930 readl(phba->sli4_hba.u.if_type2.
7932 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7933 "2888 Unrecoverable port error "
7934 "following POST: port status reg "
7935 "0x%x, port_smphr reg 0x%x, "
7936 "error 1=0x%x, error 2=0x%x\n",
7938 portsmphr_reg.word0,
7939 phba->work_status[0],
7940 phba->work_status[1]);
7941 port_error = -ENODEV;
7944 case LPFC_SLI_INTF_IF_TYPE_1:
7953 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
7954 * @phba: pointer to lpfc hba data structure.
7955 * @if_type: The SLI4 interface type getting configured.
7957 * This routine is invoked to set up SLI4 BAR0 PCI config space register
7961 lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
7964 case LPFC_SLI_INTF_IF_TYPE_0:
7965 phba->sli4_hba.u.if_type0.UERRLOregaddr =
7966 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
7967 phba->sli4_hba.u.if_type0.UERRHIregaddr =
7968 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
7969 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
7970 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
7971 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
7972 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
7973 phba->sli4_hba.SLIINTFregaddr =
7974 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
7976 case LPFC_SLI_INTF_IF_TYPE_2:
7977 phba->sli4_hba.u.if_type2.EQDregaddr =
7978 phba->sli4_hba.conf_regs_memmap_p +
7979 LPFC_CTL_PORT_EQ_DELAY_OFFSET;
7980 phba->sli4_hba.u.if_type2.ERR1regaddr =
7981 phba->sli4_hba.conf_regs_memmap_p +
7982 LPFC_CTL_PORT_ER1_OFFSET;
7983 phba->sli4_hba.u.if_type2.ERR2regaddr =
7984 phba->sli4_hba.conf_regs_memmap_p +
7985 LPFC_CTL_PORT_ER2_OFFSET;
7986 phba->sli4_hba.u.if_type2.CTRLregaddr =
7987 phba->sli4_hba.conf_regs_memmap_p +
7988 LPFC_CTL_PORT_CTL_OFFSET;
7989 phba->sli4_hba.u.if_type2.STATUSregaddr =
7990 phba->sli4_hba.conf_regs_memmap_p +
7991 LPFC_CTL_PORT_STA_OFFSET;
7992 phba->sli4_hba.SLIINTFregaddr =
7993 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
7994 phba->sli4_hba.PSMPHRregaddr =
7995 phba->sli4_hba.conf_regs_memmap_p +
7996 LPFC_CTL_PORT_SEM_OFFSET;
7997 phba->sli4_hba.RQDBregaddr =
7998 phba->sli4_hba.conf_regs_memmap_p +
7999 LPFC_ULP0_RQ_DOORBELL;
8000 phba->sli4_hba.WQDBregaddr =
8001 phba->sli4_hba.conf_regs_memmap_p +
8002 LPFC_ULP0_WQ_DOORBELL;
8003 phba->sli4_hba.CQDBregaddr =
8004 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
8005 phba->sli4_hba.EQDBregaddr = phba->sli4_hba.CQDBregaddr;
8006 phba->sli4_hba.MQDBregaddr =
8007 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
8008 phba->sli4_hba.BMBXregaddr =
8009 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
8011 case LPFC_SLI_INTF_IF_TYPE_6:
8012 phba->sli4_hba.u.if_type2.EQDregaddr =
8013 phba->sli4_hba.conf_regs_memmap_p +
8014 LPFC_CTL_PORT_EQ_DELAY_OFFSET;
8015 phba->sli4_hba.u.if_type2.ERR1regaddr =
8016 phba->sli4_hba.conf_regs_memmap_p +
8017 LPFC_CTL_PORT_ER1_OFFSET;
8018 phba->sli4_hba.u.if_type2.ERR2regaddr =
8019 phba->sli4_hba.conf_regs_memmap_p +
8020 LPFC_CTL_PORT_ER2_OFFSET;
8021 phba->sli4_hba.u.if_type2.CTRLregaddr =
8022 phba->sli4_hba.conf_regs_memmap_p +
8023 LPFC_CTL_PORT_CTL_OFFSET;
8024 phba->sli4_hba.u.if_type2.STATUSregaddr =
8025 phba->sli4_hba.conf_regs_memmap_p +
8026 LPFC_CTL_PORT_STA_OFFSET;
8027 phba->sli4_hba.PSMPHRregaddr =
8028 phba->sli4_hba.conf_regs_memmap_p +
8029 LPFC_CTL_PORT_SEM_OFFSET;
8030 phba->sli4_hba.BMBXregaddr =
8031 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
8033 case LPFC_SLI_INTF_IF_TYPE_1:
8035 dev_printk(KERN_ERR, &phba->pcidev->dev,
8036 "FATAL - unsupported SLI4 interface type - %d\n",
8043 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
8044 * @phba: pointer to lpfc hba data structure.
8046 * This routine is invoked to set up SLI4 BAR1 register memory map.
8049 lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
8052 case LPFC_SLI_INTF_IF_TYPE_0:
8053 phba->sli4_hba.PSMPHRregaddr =
8054 phba->sli4_hba.ctrl_regs_memmap_p +
8055 LPFC_SLIPORT_IF0_SMPHR;
8056 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
8058 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
8060 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
8063 case LPFC_SLI_INTF_IF_TYPE_6:
8064 phba->sli4_hba.RQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
8065 LPFC_IF6_RQ_DOORBELL;
8066 phba->sli4_hba.WQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
8067 LPFC_IF6_WQ_DOORBELL;
8068 phba->sli4_hba.CQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
8069 LPFC_IF6_CQ_DOORBELL;
8070 phba->sli4_hba.EQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
8071 LPFC_IF6_EQ_DOORBELL;
8072 phba->sli4_hba.MQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
8073 LPFC_IF6_MQ_DOORBELL;
8075 case LPFC_SLI_INTF_IF_TYPE_2:
8076 case LPFC_SLI_INTF_IF_TYPE_1:
8078 dev_err(&phba->pcidev->dev,
8079 "FATAL - unsupported SLI4 interface type - %d\n",
8086 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
8087 * @phba: pointer to lpfc hba data structure.
8088 * @vf: virtual function number
8090 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
8091 * based on the given viftual function number, @vf.
8093 * Return 0 if successful, otherwise -ENODEV.
8096 lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
8098 if (vf > LPFC_VIR_FUNC_MAX)
8101 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
8102 vf * LPFC_VFR_PAGE_SIZE +
8103 LPFC_ULP0_RQ_DOORBELL);
8104 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
8105 vf * LPFC_VFR_PAGE_SIZE +
8106 LPFC_ULP0_WQ_DOORBELL);
8107 phba->sli4_hba.CQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
8108 vf * LPFC_VFR_PAGE_SIZE +
8109 LPFC_EQCQ_DOORBELL);
8110 phba->sli4_hba.EQDBregaddr = phba->sli4_hba.CQDBregaddr;
8111 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
8112 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
8113 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
8114 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
8119 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
8120 * @phba: pointer to lpfc hba data structure.
8122 * This routine is invoked to create the bootstrap mailbox
8123 * region consistent with the SLI-4 interface spec. This
8124 * routine allocates all memory necessary to communicate
8125 * mailbox commands to the port and sets up all alignment
8126 * needs. No locks are expected to be held when calling
8131 * -ENOMEM - could not allocated memory.
8134 lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
8137 struct lpfc_dmabuf *dmabuf;
8138 struct dma_address *dma_address;
8142 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
8147 * The bootstrap mailbox region is comprised of 2 parts
8148 * plus an alignment restriction of 16 bytes.
8150 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
8151 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size,
8152 &dmabuf->phys, GFP_KERNEL);
8153 if (!dmabuf->virt) {
8159 * Initialize the bootstrap mailbox pointers now so that the register
8160 * operations are simple later. The mailbox dma address is required
8161 * to be 16-byte aligned. Also align the virtual memory as each
8162 * maibox is copied into the bmbx mailbox region before issuing the
8163 * command to the port.
8165 phba->sli4_hba.bmbx.dmabuf = dmabuf;
8166 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
8168 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
8169 LPFC_ALIGN_16_BYTE);
8170 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
8171 LPFC_ALIGN_16_BYTE);
8174 * Set the high and low physical addresses now. The SLI4 alignment
8175 * requirement is 16 bytes and the mailbox is posted to the port
8176 * as two 30-bit addresses. The other data is a bit marking whether
8177 * the 30-bit address is the high or low address.
8178 * Upcast bmbx aphys to 64bits so shift instruction compiles
8179 * clean on 32 bit machines.
8181 dma_address = &phba->sli4_hba.bmbx.dma_address;
8182 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
8183 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
8184 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
8185 LPFC_BMBX_BIT1_ADDR_HI);
8187 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
8188 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
8189 LPFC_BMBX_BIT1_ADDR_LO);
8194 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
8195 * @phba: pointer to lpfc hba data structure.
8197 * This routine is invoked to teardown the bootstrap mailbox
8198 * region and release all host resources. This routine requires
8199 * the caller to ensure all mailbox commands recovered, no
8200 * additional mailbox comands are sent, and interrupts are disabled
8201 * before calling this routine.
8205 lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
8207 dma_free_coherent(&phba->pcidev->dev,
8208 phba->sli4_hba.bmbx.bmbx_size,
8209 phba->sli4_hba.bmbx.dmabuf->virt,
8210 phba->sli4_hba.bmbx.dmabuf->phys);
8212 kfree(phba->sli4_hba.bmbx.dmabuf);
8213 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
8217 * lpfc_sli4_read_config - Get the config parameters.
8218 * @phba: pointer to lpfc hba data structure.
8220 * This routine is invoked to read the configuration parameters from the HBA.
8221 * The configuration parameters are used to set the base and maximum values
8222 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
8223 * allocation for the port.
8227 * -ENOMEM - No available memory
8228 * -EIO - The mailbox failed to complete successfully.
8231 lpfc_sli4_read_config(struct lpfc_hba *phba)
8234 struct lpfc_mbx_read_config *rd_config;
8235 union lpfc_sli4_cfg_shdr *shdr;
8236 uint32_t shdr_status, shdr_add_status;
8237 struct lpfc_mbx_get_func_cfg *get_func_cfg;
8238 struct lpfc_rsrc_desc_fcfcoe *desc;
8240 uint16_t forced_link_speed;
8241 uint32_t if_type, qmin;
8242 int length, i, rc = 0, rc2;
8244 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8246 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8247 "2011 Unable to allocate memory for issuing "
8248 "SLI_CONFIG_SPECIAL mailbox command\n");
8252 lpfc_read_config(phba, pmb);
8254 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8255 if (rc != MBX_SUCCESS) {
8256 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8257 "2012 Mailbox failed , mbxCmd x%x "
8258 "READ_CONFIG, mbxStatus x%x\n",
8259 bf_get(lpfc_mqe_command, &pmb->u.mqe),
8260 bf_get(lpfc_mqe_status, &pmb->u.mqe));
8263 rd_config = &pmb->u.mqe.un.rd_config;
8264 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
8265 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
8266 phba->sli4_hba.lnk_info.lnk_tp =
8267 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
8268 phba->sli4_hba.lnk_info.lnk_no =
8269 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
8270 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
8271 "3081 lnk_type:%d, lnk_numb:%d\n",
8272 phba->sli4_hba.lnk_info.lnk_tp,
8273 phba->sli4_hba.lnk_info.lnk_no);
8275 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
8276 "3082 Mailbox (x%x) returned ldv:x0\n",
8277 bf_get(lpfc_mqe_command, &pmb->u.mqe));
8278 if (bf_get(lpfc_mbx_rd_conf_bbscn_def, rd_config)) {
8279 phba->bbcredit_support = 1;
8280 phba->sli4_hba.bbscn_params.word0 = rd_config->word8;
8283 phba->sli4_hba.conf_trunk =
8284 bf_get(lpfc_mbx_rd_conf_trunk, rd_config);
8285 phba->sli4_hba.extents_in_use =
8286 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
8287 phba->sli4_hba.max_cfg_param.max_xri =
8288 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
8289 phba->sli4_hba.max_cfg_param.xri_base =
8290 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
8291 phba->sli4_hba.max_cfg_param.max_vpi =
8292 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
8293 /* Limit the max we support */
8294 if (phba->sli4_hba.max_cfg_param.max_vpi > LPFC_MAX_VPORTS)
8295 phba->sli4_hba.max_cfg_param.max_vpi = LPFC_MAX_VPORTS;
8296 phba->sli4_hba.max_cfg_param.vpi_base =
8297 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
8298 phba->sli4_hba.max_cfg_param.max_rpi =
8299 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
8300 phba->sli4_hba.max_cfg_param.rpi_base =
8301 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
8302 phba->sli4_hba.max_cfg_param.max_vfi =
8303 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
8304 phba->sli4_hba.max_cfg_param.vfi_base =
8305 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
8306 phba->sli4_hba.max_cfg_param.max_fcfi =
8307 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
8308 phba->sli4_hba.max_cfg_param.max_eq =
8309 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
8310 phba->sli4_hba.max_cfg_param.max_rq =
8311 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
8312 phba->sli4_hba.max_cfg_param.max_wq =
8313 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
8314 phba->sli4_hba.max_cfg_param.max_cq =
8315 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
8316 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
8317 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
8318 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
8319 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
8320 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
8321 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
8322 phba->max_vports = phba->max_vpi;
8323 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
8324 "2003 cfg params Extents? %d "
8329 "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n",
8330 phba->sli4_hba.extents_in_use,
8331 phba->sli4_hba.max_cfg_param.xri_base,
8332 phba->sli4_hba.max_cfg_param.max_xri,
8333 phba->sli4_hba.max_cfg_param.vpi_base,
8334 phba->sli4_hba.max_cfg_param.max_vpi,
8335 phba->sli4_hba.max_cfg_param.vfi_base,
8336 phba->sli4_hba.max_cfg_param.max_vfi,
8337 phba->sli4_hba.max_cfg_param.rpi_base,
8338 phba->sli4_hba.max_cfg_param.max_rpi,
8339 phba->sli4_hba.max_cfg_param.max_fcfi,
8340 phba->sli4_hba.max_cfg_param.max_eq,
8341 phba->sli4_hba.max_cfg_param.max_cq,
8342 phba->sli4_hba.max_cfg_param.max_wq,
8343 phba->sli4_hba.max_cfg_param.max_rq);
8346 * Calculate queue resources based on how
8347 * many WQ/CQ/EQs are available.
8349 qmin = phba->sli4_hba.max_cfg_param.max_wq;
8350 if (phba->sli4_hba.max_cfg_param.max_cq < qmin)
8351 qmin = phba->sli4_hba.max_cfg_param.max_cq;
8352 if (phba->sli4_hba.max_cfg_param.max_eq < qmin)
8353 qmin = phba->sli4_hba.max_cfg_param.max_eq;
8355 * Whats left after this can go toward NVME / FCP.
8356 * The minus 4 accounts for ELS, NVME LS, MBOX
8357 * plus one extra. When configured for
8358 * NVMET, FCP io channel WQs are not created.
8362 /* If NVME is configured, double the number of CQ/WQs needed */
8363 if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) &&
8364 !phba->nvmet_support)
8367 /* Check to see if there is enough for NVME */
8368 if ((phba->cfg_irq_chann > qmin) ||
8369 (phba->cfg_hdw_queue > qmin)) {
8370 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8371 "2005 Reducing Queues: "
8372 "WQ %d CQ %d EQ %d: min %d: "
8374 phba->sli4_hba.max_cfg_param.max_wq,
8375 phba->sli4_hba.max_cfg_param.max_cq,
8376 phba->sli4_hba.max_cfg_param.max_eq,
8377 qmin, phba->cfg_irq_chann,
8378 phba->cfg_hdw_queue);
8380 if (phba->cfg_irq_chann > qmin)
8381 phba->cfg_irq_chann = qmin;
8382 if (phba->cfg_hdw_queue > qmin)
8383 phba->cfg_hdw_queue = qmin;
8390 /* Update link speed if forced link speed is supported */
8391 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
8392 if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) {
8394 bf_get(lpfc_mbx_rd_conf_link_speed, rd_config);
8395 if (forced_link_speed) {
8396 phba->hba_flag |= HBA_FORCED_LINK_SPEED;
8398 switch (forced_link_speed) {
8400 phba->cfg_link_speed =
8401 LPFC_USER_LINK_SPEED_1G;
8404 phba->cfg_link_speed =
8405 LPFC_USER_LINK_SPEED_2G;
8408 phba->cfg_link_speed =
8409 LPFC_USER_LINK_SPEED_4G;
8412 phba->cfg_link_speed =
8413 LPFC_USER_LINK_SPEED_8G;
8415 case LINK_SPEED_10G:
8416 phba->cfg_link_speed =
8417 LPFC_USER_LINK_SPEED_10G;
8419 case LINK_SPEED_16G:
8420 phba->cfg_link_speed =
8421 LPFC_USER_LINK_SPEED_16G;
8423 case LINK_SPEED_32G:
8424 phba->cfg_link_speed =
8425 LPFC_USER_LINK_SPEED_32G;
8427 case LINK_SPEED_64G:
8428 phba->cfg_link_speed =
8429 LPFC_USER_LINK_SPEED_64G;
8432 phba->cfg_link_speed =
8433 LPFC_USER_LINK_SPEED_AUTO;
8436 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8437 "0047 Unrecognized link "
8440 phba->cfg_link_speed =
8441 LPFC_USER_LINK_SPEED_AUTO;
8446 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
8447 length = phba->sli4_hba.max_cfg_param.max_xri -
8448 lpfc_sli4_get_els_iocb_cnt(phba);
8449 if (phba->cfg_hba_queue_depth > length) {
8450 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8451 "3361 HBA queue depth changed from %d to %d\n",
8452 phba->cfg_hba_queue_depth, length);
8453 phba->cfg_hba_queue_depth = length;
8456 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
8457 LPFC_SLI_INTF_IF_TYPE_2)
8460 /* get the pf# and vf# for SLI4 if_type 2 port */
8461 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
8462 sizeof(struct lpfc_sli4_cfg_mhdr));
8463 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
8464 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
8465 length, LPFC_SLI4_MBX_EMBED);
8467 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8468 shdr = (union lpfc_sli4_cfg_shdr *)
8469 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
8470 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
8471 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8472 if (rc2 || shdr_status || shdr_add_status) {
8473 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8474 "3026 Mailbox failed , mbxCmd x%x "
8475 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
8476 bf_get(lpfc_mqe_command, &pmb->u.mqe),
8477 bf_get(lpfc_mqe_status, &pmb->u.mqe));
8481 /* search for fc_fcoe resrouce descriptor */
8482 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
8484 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
8485 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
8486 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
8487 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
8488 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
8489 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
8492 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8493 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
8494 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8495 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
8496 phba->sli4_hba.iov.pf_number =
8497 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
8498 phba->sli4_hba.iov.vf_number =
8499 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
8504 if (i < LPFC_RSRC_DESC_MAX_NUM)
8505 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
8506 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
8507 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
8508 phba->sli4_hba.iov.vf_number);
8510 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8511 "3028 GET_FUNCTION_CONFIG: failed to find "
8512 "Resource Descriptor:x%x\n",
8513 LPFC_RSRC_DESC_TYPE_FCFCOE);
8516 mempool_free(pmb, phba->mbox_mem_pool);
8521 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
8522 * @phba: pointer to lpfc hba data structure.
8524 * This routine is invoked to setup the port-side endian order when
8525 * the port if_type is 0. This routine has no function for other
8530 * -ENOMEM - No available memory
8531 * -EIO - The mailbox failed to complete successfully.
8534 lpfc_setup_endian_order(struct lpfc_hba *phba)
8536 LPFC_MBOXQ_t *mboxq;
8537 uint32_t if_type, rc = 0;
8538 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
8539 HOST_ENDIAN_HIGH_WORD1};
8541 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
8543 case LPFC_SLI_INTF_IF_TYPE_0:
8544 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
8547 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8548 "0492 Unable to allocate memory for "
8549 "issuing SLI_CONFIG_SPECIAL mailbox "
8555 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
8556 * two words to contain special data values and no other data.
8558 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
8559 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
8560 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
8561 if (rc != MBX_SUCCESS) {
8562 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8563 "0493 SLI_CONFIG_SPECIAL mailbox "
8564 "failed with status x%x\n",
8568 mempool_free(mboxq, phba->mbox_mem_pool);
8570 case LPFC_SLI_INTF_IF_TYPE_6:
8571 case LPFC_SLI_INTF_IF_TYPE_2:
8572 case LPFC_SLI_INTF_IF_TYPE_1:
8580 * lpfc_sli4_queue_verify - Verify and update EQ counts
8581 * @phba: pointer to lpfc hba data structure.
8583 * This routine is invoked to check the user settable queue counts for EQs.
8584 * After this routine is called the counts will be set to valid values that
8585 * adhere to the constraints of the system's interrupt vectors and the port's
8590 * -ENOMEM - No available memory
8593 lpfc_sli4_queue_verify(struct lpfc_hba *phba)
8596 * Sanity check for configured queue parameters against the run-time
8600 if (phba->nvmet_support) {
8601 if (phba->cfg_irq_chann < phba->cfg_nvmet_mrq)
8602 phba->cfg_nvmet_mrq = phba->cfg_irq_chann;
8604 if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX)
8605 phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX;
8607 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8608 "2574 IO channels: hdwQ %d IRQ %d MRQ: %d\n",
8609 phba->cfg_hdw_queue, phba->cfg_irq_chann,
8610 phba->cfg_nvmet_mrq);
8612 /* Get EQ depth from module parameter, fake the default for now */
8613 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
8614 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
8616 /* Get CQ depth from module parameter, fake the default for now */
8617 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
8618 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
8623 lpfc_alloc_nvme_wq_cq(struct lpfc_hba *phba, int wqidx)
8625 struct lpfc_queue *qdesc;
8627 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
8628 phba->sli4_hba.cq_esize,
8629 LPFC_CQE_EXP_COUNT);
8631 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8632 "0508 Failed allocate fast-path NVME CQ (%d)\n",
8636 qdesc->qe_valid = 1;
8637 qdesc->hdwq = wqidx;
8638 qdesc->chann = lpfc_find_cpu_handle(phba, wqidx, LPFC_FIND_BY_HDWQ);
8639 phba->sli4_hba.hdwq[wqidx].nvme_cq = qdesc;
8641 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
8642 LPFC_WQE128_SIZE, LPFC_WQE_EXP_COUNT);
8644 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8645 "0509 Failed allocate fast-path NVME WQ (%d)\n",
8649 qdesc->hdwq = wqidx;
8650 qdesc->chann = wqidx;
8651 phba->sli4_hba.hdwq[wqidx].nvme_wq = qdesc;
8652 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
8657 lpfc_alloc_fcp_wq_cq(struct lpfc_hba *phba, int wqidx)
8659 struct lpfc_queue *qdesc;
8662 /* Create Fast Path FCP CQs */
8663 if (phba->enab_exp_wqcq_pages)
8664 /* Increase the CQ size when WQEs contain an embedded cdb */
8665 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
8666 phba->sli4_hba.cq_esize,
8667 LPFC_CQE_EXP_COUNT);
8670 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8671 phba->sli4_hba.cq_esize,
8672 phba->sli4_hba.cq_ecount);
8674 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8675 "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx);
8678 qdesc->qe_valid = 1;
8679 qdesc->hdwq = wqidx;
8680 qdesc->chann = lpfc_find_cpu_handle(phba, wqidx, LPFC_FIND_BY_HDWQ);
8681 phba->sli4_hba.hdwq[wqidx].fcp_cq = qdesc;
8683 /* Create Fast Path FCP WQs */
8684 if (phba->enab_exp_wqcq_pages) {
8685 /* Increase the WQ size when WQEs contain an embedded cdb */
8686 wqesize = (phba->fcp_embed_io) ?
8687 LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize;
8688 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
8690 LPFC_WQE_EXP_COUNT);
8692 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8693 phba->sli4_hba.wq_esize,
8694 phba->sli4_hba.wq_ecount);
8697 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8698 "0503 Failed allocate fast-path FCP WQ (%d)\n",
8702 qdesc->hdwq = wqidx;
8703 qdesc->chann = wqidx;
8704 phba->sli4_hba.hdwq[wqidx].fcp_wq = qdesc;
8705 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
8710 * lpfc_sli4_queue_create - Create all the SLI4 queues
8711 * @phba: pointer to lpfc hba data structure.
8713 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
8714 * operation. For each SLI4 queue type, the parameters such as queue entry
8715 * count (queue depth) shall be taken from the module parameter. For now,
8716 * we just use some constant number as place holder.
8720 * -ENOMEM - No availble memory
8721 * -EIO - The mailbox failed to complete successfully.
8724 lpfc_sli4_queue_create(struct lpfc_hba *phba)
8726 struct lpfc_queue *qdesc;
8728 struct lpfc_sli4_hdw_queue *qp;
8729 struct lpfc_eq_intr_info *eqi;
8732 * Create HBA Record arrays.
8733 * Both NVME and FCP will share that same vectors / EQs
8735 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
8736 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
8737 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
8738 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
8739 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
8740 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
8741 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
8742 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
8743 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
8744 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
8746 if (!phba->sli4_hba.hdwq) {
8747 phba->sli4_hba.hdwq = kcalloc(
8748 phba->cfg_hdw_queue, sizeof(struct lpfc_sli4_hdw_queue),
8750 if (!phba->sli4_hba.hdwq) {
8751 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8752 "6427 Failed allocate memory for "
8753 "fast-path Hardware Queue array\n");
8756 /* Prepare hardware queues to take IO buffers */
8757 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
8758 qp = &phba->sli4_hba.hdwq[idx];
8759 spin_lock_init(&qp->io_buf_list_get_lock);
8760 spin_lock_init(&qp->io_buf_list_put_lock);
8761 INIT_LIST_HEAD(&qp->lpfc_io_buf_list_get);
8762 INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put);
8763 qp->get_io_bufs = 0;
8764 qp->put_io_bufs = 0;
8765 qp->total_io_bufs = 0;
8766 spin_lock_init(&qp->abts_scsi_buf_list_lock);
8767 INIT_LIST_HEAD(&qp->lpfc_abts_scsi_buf_list);
8768 qp->abts_scsi_io_bufs = 0;
8769 spin_lock_init(&qp->abts_nvme_buf_list_lock);
8770 INIT_LIST_HEAD(&qp->lpfc_abts_nvme_buf_list);
8771 qp->abts_nvme_io_bufs = 0;
8775 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
8776 if (phba->nvmet_support) {
8777 phba->sli4_hba.nvmet_cqset = kcalloc(
8778 phba->cfg_nvmet_mrq,
8779 sizeof(struct lpfc_queue *),
8781 if (!phba->sli4_hba.nvmet_cqset) {
8782 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8783 "3121 Fail allocate memory for "
8784 "fast-path CQ set array\n");
8787 phba->sli4_hba.nvmet_mrq_hdr = kcalloc(
8788 phba->cfg_nvmet_mrq,
8789 sizeof(struct lpfc_queue *),
8791 if (!phba->sli4_hba.nvmet_mrq_hdr) {
8792 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8793 "3122 Fail allocate memory for "
8794 "fast-path RQ set hdr array\n");
8797 phba->sli4_hba.nvmet_mrq_data = kcalloc(
8798 phba->cfg_nvmet_mrq,
8799 sizeof(struct lpfc_queue *),
8801 if (!phba->sli4_hba.nvmet_mrq_data) {
8802 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8803 "3124 Fail allocate memory for "
8804 "fast-path RQ set data array\n");
8810 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list);
8812 /* Create HBA Event Queues (EQs) */
8813 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
8815 * If there are more Hardware Queues than available
8816 * CQs, multiple Hardware Queues may share a common EQ.
8818 if (idx >= phba->cfg_irq_chann) {
8819 /* Share an existing EQ */
8820 eqidx = lpfc_find_eq_handle(phba, idx);
8821 phba->sli4_hba.hdwq[idx].hba_eq =
8822 phba->sli4_hba.hdwq[eqidx].hba_eq;
8826 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8827 phba->sli4_hba.eq_esize,
8828 phba->sli4_hba.eq_ecount);
8830 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8831 "0497 Failed allocate EQ (%d)\n", idx);
8834 qdesc->qe_valid = 1;
8837 /* Save the CPU this EQ is affinitised to */
8838 eqidx = lpfc_find_eq_handle(phba, idx);
8839 qdesc->chann = lpfc_find_cpu_handle(phba, eqidx,
8841 phba->sli4_hba.hdwq[idx].hba_eq = qdesc;
8842 qdesc->last_cpu = qdesc->chann;
8843 eqi = per_cpu_ptr(phba->sli4_hba.eq_info, qdesc->last_cpu);
8844 list_add(&qdesc->cpu_list, &eqi->list);
8848 /* Allocate SCSI SLI4 CQ/WQs */
8849 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
8850 if (lpfc_alloc_fcp_wq_cq(phba, idx))
8854 /* Allocate NVME SLI4 CQ/WQs */
8855 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
8856 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
8857 if (lpfc_alloc_nvme_wq_cq(phba, idx))
8861 if (phba->nvmet_support) {
8862 for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) {
8863 qdesc = lpfc_sli4_queue_alloc(
8865 LPFC_DEFAULT_PAGE_SIZE,
8866 phba->sli4_hba.cq_esize,
8867 phba->sli4_hba.cq_ecount);
8870 phba, KERN_ERR, LOG_INIT,
8871 "3142 Failed allocate NVME "
8872 "CQ Set (%d)\n", idx);
8875 qdesc->qe_valid = 1;
8878 phba->sli4_hba.nvmet_cqset[idx] = qdesc;
8884 * Create Slow Path Completion Queues (CQs)
8887 /* Create slow-path Mailbox Command Complete Queue */
8888 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8889 phba->sli4_hba.cq_esize,
8890 phba->sli4_hba.cq_ecount);
8892 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8893 "0500 Failed allocate slow-path mailbox CQ\n");
8896 qdesc->qe_valid = 1;
8897 phba->sli4_hba.mbx_cq = qdesc;
8899 /* Create slow-path ELS Complete Queue */
8900 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8901 phba->sli4_hba.cq_esize,
8902 phba->sli4_hba.cq_ecount);
8904 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8905 "0501 Failed allocate slow-path ELS CQ\n");
8908 qdesc->qe_valid = 1;
8910 phba->sli4_hba.els_cq = qdesc;
8914 * Create Slow Path Work Queues (WQs)
8917 /* Create Mailbox Command Queue */
8919 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8920 phba->sli4_hba.mq_esize,
8921 phba->sli4_hba.mq_ecount);
8923 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8924 "0505 Failed allocate slow-path MQ\n");
8928 phba->sli4_hba.mbx_wq = qdesc;
8931 * Create ELS Work Queues
8934 /* Create slow-path ELS Work Queue */
8935 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8936 phba->sli4_hba.wq_esize,
8937 phba->sli4_hba.wq_ecount);
8939 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8940 "0504 Failed allocate slow-path ELS WQ\n");
8944 phba->sli4_hba.els_wq = qdesc;
8945 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
8947 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
8948 /* Create NVME LS Complete Queue */
8949 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8950 phba->sli4_hba.cq_esize,
8951 phba->sli4_hba.cq_ecount);
8953 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8954 "6079 Failed allocate NVME LS CQ\n");
8958 qdesc->qe_valid = 1;
8959 phba->sli4_hba.nvmels_cq = qdesc;
8961 /* Create NVME LS Work Queue */
8962 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8963 phba->sli4_hba.wq_esize,
8964 phba->sli4_hba.wq_ecount);
8966 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8967 "6080 Failed allocate NVME LS WQ\n");
8971 phba->sli4_hba.nvmels_wq = qdesc;
8972 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
8976 * Create Receive Queue (RQ)
8979 /* Create Receive Queue for header */
8980 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8981 phba->sli4_hba.rq_esize,
8982 phba->sli4_hba.rq_ecount);
8984 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8985 "0506 Failed allocate receive HRQ\n");
8988 phba->sli4_hba.hdr_rq = qdesc;
8990 /* Create Receive Queue for data */
8991 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
8992 phba->sli4_hba.rq_esize,
8993 phba->sli4_hba.rq_ecount);
8995 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8996 "0507 Failed allocate receive DRQ\n");
8999 phba->sli4_hba.dat_rq = qdesc;
9001 if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) &&
9002 phba->nvmet_support) {
9003 for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) {
9004 /* Create NVMET Receive Queue for header */
9005 qdesc = lpfc_sli4_queue_alloc(phba,
9006 LPFC_DEFAULT_PAGE_SIZE,
9007 phba->sli4_hba.rq_esize,
9008 LPFC_NVMET_RQE_DEF_COUNT);
9010 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9011 "3146 Failed allocate "
9016 phba->sli4_hba.nvmet_mrq_hdr[idx] = qdesc;
9018 /* Only needed for header of RQ pair */
9019 qdesc->rqbp = kzalloc(sizeof(struct lpfc_rqb),
9021 if (qdesc->rqbp == NULL) {
9022 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9023 "6131 Failed allocate "
9028 /* Put list in known state in case driver load fails. */
9029 INIT_LIST_HEAD(&qdesc->rqbp->rqb_buffer_list);
9031 /* Create NVMET Receive Queue for data */
9032 qdesc = lpfc_sli4_queue_alloc(phba,
9033 LPFC_DEFAULT_PAGE_SIZE,
9034 phba->sli4_hba.rq_esize,
9035 LPFC_NVMET_RQE_DEF_COUNT);
9037 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9038 "3156 Failed allocate "
9043 phba->sli4_hba.nvmet_mrq_data[idx] = qdesc;
9047 #if defined(BUILD_NVME)
9048 /* Clear NVME stats */
9049 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
9050 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
9051 memset(&phba->sli4_hba.hdwq[idx].nvme_cstat, 0,
9052 sizeof(phba->sli4_hba.hdwq[idx].nvme_cstat));
9057 /* Clear SCSI stats */
9058 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
9059 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
9060 memset(&phba->sli4_hba.hdwq[idx].scsi_cstat, 0,
9061 sizeof(phba->sli4_hba.hdwq[idx].scsi_cstat));
9068 lpfc_sli4_queue_destroy(phba);
9073 __lpfc_sli4_release_queue(struct lpfc_queue **qp)
9076 lpfc_sli4_queue_free(*qp);
9082 lpfc_sli4_release_queues(struct lpfc_queue ***qs, int max)
9089 for (idx = 0; idx < max; idx++)
9090 __lpfc_sli4_release_queue(&(*qs)[idx]);
9097 lpfc_sli4_release_hdwq(struct lpfc_hba *phba)
9099 struct lpfc_sli4_hdw_queue *hdwq;
9102 hdwq = phba->sli4_hba.hdwq;
9103 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
9104 if (idx < phba->cfg_irq_chann)
9105 lpfc_sli4_queue_free(hdwq[idx].hba_eq);
9106 hdwq[idx].hba_eq = NULL;
9108 lpfc_sli4_queue_free(hdwq[idx].fcp_cq);
9109 lpfc_sli4_queue_free(hdwq[idx].nvme_cq);
9110 lpfc_sli4_queue_free(hdwq[idx].fcp_wq);
9111 lpfc_sli4_queue_free(hdwq[idx].nvme_wq);
9112 hdwq[idx].fcp_cq = NULL;
9113 hdwq[idx].nvme_cq = NULL;
9114 hdwq[idx].fcp_wq = NULL;
9115 hdwq[idx].nvme_wq = NULL;
9120 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
9121 * @phba: pointer to lpfc hba data structure.
9123 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
9128 * -ENOMEM - No available memory
9129 * -EIO - The mailbox failed to complete successfully.
9132 lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
9134 /* Release HBA eqs */
9135 if (phba->sli4_hba.hdwq)
9136 lpfc_sli4_release_hdwq(phba);
9138 if (phba->nvmet_support) {
9139 lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_cqset,
9140 phba->cfg_nvmet_mrq);
9142 lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_hdr,
9143 phba->cfg_nvmet_mrq);
9144 lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_data,
9145 phba->cfg_nvmet_mrq);
9148 /* Release mailbox command work queue */
9149 __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_wq);
9151 /* Release ELS work queue */
9152 __lpfc_sli4_release_queue(&phba->sli4_hba.els_wq);
9154 /* Release ELS work queue */
9155 __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_wq);
9157 /* Release unsolicited receive queue */
9158 __lpfc_sli4_release_queue(&phba->sli4_hba.hdr_rq);
9159 __lpfc_sli4_release_queue(&phba->sli4_hba.dat_rq);
9161 /* Release ELS complete queue */
9162 __lpfc_sli4_release_queue(&phba->sli4_hba.els_cq);
9164 /* Release NVME LS complete queue */
9165 __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_cq);
9167 /* Release mailbox command complete queue */
9168 __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_cq);
9170 /* Everything on this list has been freed */
9171 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list);
9175 lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq)
9177 struct lpfc_rqb *rqbp;
9178 struct lpfc_dmabuf *h_buf;
9179 struct rqb_dmabuf *rqb_buffer;
9182 while (!list_empty(&rqbp->rqb_buffer_list)) {
9183 list_remove_head(&rqbp->rqb_buffer_list, h_buf,
9184 struct lpfc_dmabuf, list);
9186 rqb_buffer = container_of(h_buf, struct rqb_dmabuf, hbuf);
9187 (rqbp->rqb_free_buffer)(phba, rqb_buffer);
9188 rqbp->buffer_count--;
9194 lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq,
9195 struct lpfc_queue *cq, struct lpfc_queue *wq, uint16_t *cq_map,
9196 int qidx, uint32_t qtype)
9198 struct lpfc_sli_ring *pring;
9201 if (!eq || !cq || !wq) {
9202 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9203 "6085 Fast-path %s (%d) not allocated\n",
9204 ((eq) ? ((cq) ? "WQ" : "CQ") : "EQ"), qidx);
9208 /* create the Cq first */
9209 rc = lpfc_cq_create(phba, cq, eq,
9210 (qtype == LPFC_MBOX) ? LPFC_MCQ : LPFC_WCQ, qtype);
9212 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9213 "6086 Failed setup of CQ (%d), rc = 0x%x\n",
9214 qidx, (uint32_t)rc);
9218 if (qtype != LPFC_MBOX) {
9219 /* Setup cq_map for fast lookup */
9221 *cq_map = cq->queue_id;
9223 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9224 "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n",
9225 qidx, cq->queue_id, qidx, eq->queue_id);
9228 rc = lpfc_wq_create(phba, wq, cq, qtype);
9230 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9231 "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n",
9232 qidx, (uint32_t)rc);
9233 /* no need to tear down cq - caller will do so */
9237 /* Bind this CQ/WQ to the NVME ring */
9239 pring->sli.sli4.wqp = (void *)wq;
9242 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9243 "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n",
9244 qidx, wq->queue_id, wq->assoc_qid, qidx, cq->queue_id);
9246 rc = lpfc_mq_create(phba, wq, cq, LPFC_MBOX);
9248 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9249 "0539 Failed setup of slow-path MQ: "
9251 /* no need to tear down cq - caller will do so */
9255 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9256 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
9257 phba->sli4_hba.mbx_wq->queue_id,
9258 phba->sli4_hba.mbx_cq->queue_id);
9265 * lpfc_setup_cq_lookup - Setup the CQ lookup table
9266 * @phba: pointer to lpfc hba data structure.
9268 * This routine will populate the cq_lookup table by all
9269 * available CQ queue_id's.
9272 lpfc_setup_cq_lookup(struct lpfc_hba *phba)
9274 struct lpfc_queue *eq, *childq;
9275 struct lpfc_sli4_hdw_queue *qp;
9278 qp = phba->sli4_hba.hdwq;
9279 memset(phba->sli4_hba.cq_lookup, 0,
9280 (sizeof(struct lpfc_queue *) * (phba->sli4_hba.cq_max + 1)));
9281 for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) {
9282 eq = qp[qidx].hba_eq;
9285 list_for_each_entry(childq, &eq->child_list, list) {
9286 if (childq->queue_id > phba->sli4_hba.cq_max)
9288 if ((childq->subtype == LPFC_FCP) ||
9289 (childq->subtype == LPFC_NVME))
9290 phba->sli4_hba.cq_lookup[childq->queue_id] =
9297 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
9298 * @phba: pointer to lpfc hba data structure.
9300 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
9305 * -ENOMEM - No available memory
9306 * -EIO - The mailbox failed to complete successfully.
9309 lpfc_sli4_queue_setup(struct lpfc_hba *phba)
9311 uint32_t shdr_status, shdr_add_status;
9312 union lpfc_sli4_cfg_shdr *shdr;
9313 struct lpfc_sli4_hdw_queue *qp;
9314 LPFC_MBOXQ_t *mboxq;
9316 uint32_t length, usdelay;
9319 /* Check for dual-ULP support */
9320 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9322 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9323 "3249 Unable to allocate memory for "
9324 "QUERY_FW_CFG mailbox command\n");
9327 length = (sizeof(struct lpfc_mbx_query_fw_config) -
9328 sizeof(struct lpfc_sli4_cfg_mhdr));
9329 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9330 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
9331 length, LPFC_SLI4_MBX_EMBED);
9333 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9335 shdr = (union lpfc_sli4_cfg_shdr *)
9336 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
9337 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
9338 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
9339 if (shdr_status || shdr_add_status || rc) {
9340 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9341 "3250 QUERY_FW_CFG mailbox failed with status "
9342 "x%x add_status x%x, mbx status x%x\n",
9343 shdr_status, shdr_add_status, rc);
9344 if (rc != MBX_TIMEOUT)
9345 mempool_free(mboxq, phba->mbox_mem_pool);
9350 phba->sli4_hba.fw_func_mode =
9351 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
9352 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
9353 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
9354 phba->sli4_hba.physical_port =
9355 mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port;
9356 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9357 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
9358 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
9359 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
9361 if (rc != MBX_TIMEOUT)
9362 mempool_free(mboxq, phba->mbox_mem_pool);
9365 * Set up HBA Event Queues (EQs)
9367 qp = phba->sli4_hba.hdwq;
9369 /* Set up HBA event queue */
9371 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9372 "3147 Fast-path EQs not allocated\n");
9376 for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) {
9377 if (!qp[qidx].hba_eq) {
9378 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9379 "0522 Fast-path EQ (%d) not "
9380 "allocated\n", qidx);
9384 rc = lpfc_eq_create(phba, qp[qidx].hba_eq,
9385 phba->cfg_fcp_imax);
9387 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9388 "0523 Failed setup of fast-path EQ "
9389 "(%d), rc = 0x%x\n", qidx,
9393 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9394 "2584 HBA EQ setup: queue[%d]-id=%d\n", qidx,
9395 qp[qidx].hba_eq->queue_id);
9398 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
9399 for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
9400 rc = lpfc_create_wq_cq(phba,
9404 &phba->sli4_hba.hdwq[qidx].nvme_cq_map,
9407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9408 "6123 Failed to setup fastpath "
9409 "NVME WQ/CQ (%d), rc = 0x%x\n",
9410 qidx, (uint32_t)rc);
9416 for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
9417 rc = lpfc_create_wq_cq(phba,
9421 &phba->sli4_hba.hdwq[qidx].fcp_cq_map,
9424 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9425 "0535 Failed to setup fastpath "
9426 "FCP WQ/CQ (%d), rc = 0x%x\n",
9427 qidx, (uint32_t)rc);
9433 * Set up Slow Path Complete Queues (CQs)
9436 /* Set up slow-path MBOX CQ/MQ */
9438 if (!phba->sli4_hba.mbx_cq || !phba->sli4_hba.mbx_wq) {
9439 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9440 "0528 %s not allocated\n",
9441 phba->sli4_hba.mbx_cq ?
9442 "Mailbox WQ" : "Mailbox CQ");
9447 rc = lpfc_create_wq_cq(phba, qp[0].hba_eq,
9448 phba->sli4_hba.mbx_cq,
9449 phba->sli4_hba.mbx_wq,
9450 NULL, 0, LPFC_MBOX);
9452 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9453 "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n",
9457 if (phba->nvmet_support) {
9458 if (!phba->sli4_hba.nvmet_cqset) {
9459 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9460 "3165 Fast-path NVME CQ Set "
9461 "array not allocated\n");
9465 if (phba->cfg_nvmet_mrq > 1) {
9466 rc = lpfc_cq_create_set(phba,
9467 phba->sli4_hba.nvmet_cqset,
9469 LPFC_WCQ, LPFC_NVMET);
9471 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9472 "3164 Failed setup of NVME CQ "
9478 /* Set up NVMET Receive Complete Queue */
9479 rc = lpfc_cq_create(phba, phba->sli4_hba.nvmet_cqset[0],
9481 LPFC_WCQ, LPFC_NVMET);
9483 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9484 "6089 Failed setup NVMET CQ: "
9485 "rc = 0x%x\n", (uint32_t)rc);
9488 phba->sli4_hba.nvmet_cqset[0]->chann = 0;
9490 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9491 "6090 NVMET CQ setup: cq-id=%d, "
9492 "parent eq-id=%d\n",
9493 phba->sli4_hba.nvmet_cqset[0]->queue_id,
9494 qp[0].hba_eq->queue_id);
9498 /* Set up slow-path ELS WQ/CQ */
9499 if (!phba->sli4_hba.els_cq || !phba->sli4_hba.els_wq) {
9500 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9501 "0530 ELS %s not allocated\n",
9502 phba->sli4_hba.els_cq ? "WQ" : "CQ");
9506 rc = lpfc_create_wq_cq(phba, qp[0].hba_eq,
9507 phba->sli4_hba.els_cq,
9508 phba->sli4_hba.els_wq,
9511 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9512 "0525 Failed setup of ELS WQ/CQ: rc = 0x%x\n",
9516 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9517 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
9518 phba->sli4_hba.els_wq->queue_id,
9519 phba->sli4_hba.els_cq->queue_id);
9521 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
9522 /* Set up NVME LS Complete Queue */
9523 if (!phba->sli4_hba.nvmels_cq || !phba->sli4_hba.nvmels_wq) {
9524 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9525 "6091 LS %s not allocated\n",
9526 phba->sli4_hba.nvmels_cq ? "WQ" : "CQ");
9530 rc = lpfc_create_wq_cq(phba, qp[0].hba_eq,
9531 phba->sli4_hba.nvmels_cq,
9532 phba->sli4_hba.nvmels_wq,
9533 NULL, 0, LPFC_NVME_LS);
9535 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9536 "0526 Failed setup of NVVME LS WQ/CQ: "
9537 "rc = 0x%x\n", (uint32_t)rc);
9541 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9542 "6096 ELS WQ setup: wq-id=%d, "
9543 "parent cq-id=%d\n",
9544 phba->sli4_hba.nvmels_wq->queue_id,
9545 phba->sli4_hba.nvmels_cq->queue_id);
9549 * Create NVMET Receive Queue (RQ)
9551 if (phba->nvmet_support) {
9552 if ((!phba->sli4_hba.nvmet_cqset) ||
9553 (!phba->sli4_hba.nvmet_mrq_hdr) ||
9554 (!phba->sli4_hba.nvmet_mrq_data)) {
9555 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9556 "6130 MRQ CQ Queues not "
9561 if (phba->cfg_nvmet_mrq > 1) {
9562 rc = lpfc_mrq_create(phba,
9563 phba->sli4_hba.nvmet_mrq_hdr,
9564 phba->sli4_hba.nvmet_mrq_data,
9565 phba->sli4_hba.nvmet_cqset,
9568 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9569 "6098 Failed setup of NVMET "
9576 rc = lpfc_rq_create(phba,
9577 phba->sli4_hba.nvmet_mrq_hdr[0],
9578 phba->sli4_hba.nvmet_mrq_data[0],
9579 phba->sli4_hba.nvmet_cqset[0],
9582 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9583 "6057 Failed setup of NVMET "
9584 "Receive Queue: rc = 0x%x\n",
9590 phba, KERN_INFO, LOG_INIT,
9591 "6099 NVMET RQ setup: hdr-rq-id=%d, "
9592 "dat-rq-id=%d parent cq-id=%d\n",
9593 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id,
9594 phba->sli4_hba.nvmet_mrq_data[0]->queue_id,
9595 phba->sli4_hba.nvmet_cqset[0]->queue_id);
9600 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
9601 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9602 "0540 Receive Queue not allocated\n");
9607 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
9608 phba->sli4_hba.els_cq, LPFC_USOL);
9610 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9611 "0541 Failed setup of Receive Queue: "
9612 "rc = 0x%x\n", (uint32_t)rc);
9616 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9617 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
9618 "parent cq-id=%d\n",
9619 phba->sli4_hba.hdr_rq->queue_id,
9620 phba->sli4_hba.dat_rq->queue_id,
9621 phba->sli4_hba.els_cq->queue_id);
9623 if (phba->cfg_fcp_imax)
9624 usdelay = LPFC_SEC_TO_USEC / phba->cfg_fcp_imax;
9628 for (qidx = 0; qidx < phba->cfg_irq_chann;
9629 qidx += LPFC_MAX_EQ_DELAY_EQID_CNT)
9630 lpfc_modify_hba_eq_delay(phba, qidx, LPFC_MAX_EQ_DELAY_EQID_CNT,
9633 if (phba->sli4_hba.cq_max) {
9634 kfree(phba->sli4_hba.cq_lookup);
9635 phba->sli4_hba.cq_lookup = kcalloc((phba->sli4_hba.cq_max + 1),
9636 sizeof(struct lpfc_queue *), GFP_KERNEL);
9637 if (!phba->sli4_hba.cq_lookup) {
9638 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9639 "0549 Failed setup of CQ Lookup table: "
9640 "size 0x%x\n", phba->sli4_hba.cq_max);
9644 lpfc_setup_cq_lookup(phba);
9649 lpfc_sli4_queue_unset(phba);
9655 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
9656 * @phba: pointer to lpfc hba data structure.
9658 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
9663 * -ENOMEM - No available memory
9664 * -EIO - The mailbox failed to complete successfully.
9667 lpfc_sli4_queue_unset(struct lpfc_hba *phba)
9669 struct lpfc_sli4_hdw_queue *qp;
9672 /* Unset mailbox command work queue */
9673 if (phba->sli4_hba.mbx_wq)
9674 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
9676 /* Unset NVME LS work queue */
9677 if (phba->sli4_hba.nvmels_wq)
9678 lpfc_wq_destroy(phba, phba->sli4_hba.nvmels_wq);
9680 /* Unset ELS work queue */
9681 if (phba->sli4_hba.els_wq)
9682 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
9684 /* Unset unsolicited receive queue */
9685 if (phba->sli4_hba.hdr_rq)
9686 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq,
9687 phba->sli4_hba.dat_rq);
9689 /* Unset mailbox command complete queue */
9690 if (phba->sli4_hba.mbx_cq)
9691 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
9693 /* Unset ELS complete queue */
9694 if (phba->sli4_hba.els_cq)
9695 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
9697 /* Unset NVME LS complete queue */
9698 if (phba->sli4_hba.nvmels_cq)
9699 lpfc_cq_destroy(phba, phba->sli4_hba.nvmels_cq);
9701 if (phba->nvmet_support) {
9702 /* Unset NVMET MRQ queue */
9703 if (phba->sli4_hba.nvmet_mrq_hdr) {
9704 for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++)
9707 phba->sli4_hba.nvmet_mrq_hdr[qidx],
9708 phba->sli4_hba.nvmet_mrq_data[qidx]);
9711 /* Unset NVMET CQ Set complete queue */
9712 if (phba->sli4_hba.nvmet_cqset) {
9713 for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++)
9715 phba, phba->sli4_hba.nvmet_cqset[qidx]);
9719 /* Unset fast-path SLI4 queues */
9720 if (phba->sli4_hba.hdwq) {
9721 for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
9722 qp = &phba->sli4_hba.hdwq[qidx];
9723 lpfc_wq_destroy(phba, qp->fcp_wq);
9724 lpfc_wq_destroy(phba, qp->nvme_wq);
9725 lpfc_cq_destroy(phba, qp->fcp_cq);
9726 lpfc_cq_destroy(phba, qp->nvme_cq);
9727 if (qidx < phba->cfg_irq_chann)
9728 lpfc_eq_destroy(phba, qp->hba_eq);
9732 kfree(phba->sli4_hba.cq_lookup);
9733 phba->sli4_hba.cq_lookup = NULL;
9734 phba->sli4_hba.cq_max = 0;
9738 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
9739 * @phba: pointer to lpfc hba data structure.
9741 * This routine is invoked to allocate and set up a pool of completion queue
9742 * events. The body of the completion queue event is a completion queue entry
9743 * CQE. For now, this pool is used for the interrupt service routine to queue
9744 * the following HBA completion queue events for the worker thread to process:
9745 * - Mailbox asynchronous events
9746 * - Receive queue completion unsolicited events
9747 * Later, this can be used for all the slow-path events.
9751 * -ENOMEM - No available memory
9754 lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
9756 struct lpfc_cq_event *cq_event;
9759 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
9760 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
9762 goto out_pool_create_fail;
9763 list_add_tail(&cq_event->list,
9764 &phba->sli4_hba.sp_cqe_event_pool);
9768 out_pool_create_fail:
9769 lpfc_sli4_cq_event_pool_destroy(phba);
9774 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
9775 * @phba: pointer to lpfc hba data structure.
9777 * This routine is invoked to free the pool of completion queue events at
9778 * driver unload time. Note that, it is the responsibility of the driver
9779 * cleanup routine to free all the outstanding completion-queue events
9780 * allocated from this pool back into the pool before invoking this routine
9781 * to destroy the pool.
9784 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
9786 struct lpfc_cq_event *cq_event, *next_cq_event;
9788 list_for_each_entry_safe(cq_event, next_cq_event,
9789 &phba->sli4_hba.sp_cqe_event_pool, list) {
9790 list_del(&cq_event->list);
9796 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
9797 * @phba: pointer to lpfc hba data structure.
9799 * This routine is the lock free version of the API invoked to allocate a
9800 * completion-queue event from the free pool.
9802 * Return: Pointer to the newly allocated completion-queue event if successful
9805 struct lpfc_cq_event *
9806 __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
9808 struct lpfc_cq_event *cq_event = NULL;
9810 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
9811 struct lpfc_cq_event, list);
9816 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
9817 * @phba: pointer to lpfc hba data structure.
9819 * This routine is the lock version of the API invoked to allocate a
9820 * completion-queue event from the free pool.
9822 * Return: Pointer to the newly allocated completion-queue event if successful
9825 struct lpfc_cq_event *
9826 lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
9828 struct lpfc_cq_event *cq_event;
9829 unsigned long iflags;
9831 spin_lock_irqsave(&phba->hbalock, iflags);
9832 cq_event = __lpfc_sli4_cq_event_alloc(phba);
9833 spin_unlock_irqrestore(&phba->hbalock, iflags);
9838 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
9839 * @phba: pointer to lpfc hba data structure.
9840 * @cq_event: pointer to the completion queue event to be freed.
9842 * This routine is the lock free version of the API invoked to release a
9843 * completion-queue event back into the free pool.
9846 __lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
9847 struct lpfc_cq_event *cq_event)
9849 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
9853 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
9854 * @phba: pointer to lpfc hba data structure.
9855 * @cq_event: pointer to the completion queue event to be freed.
9857 * This routine is the lock version of the API invoked to release a
9858 * completion-queue event back into the free pool.
9861 lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
9862 struct lpfc_cq_event *cq_event)
9864 unsigned long iflags;
9865 spin_lock_irqsave(&phba->hbalock, iflags);
9866 __lpfc_sli4_cq_event_release(phba, cq_event);
9867 spin_unlock_irqrestore(&phba->hbalock, iflags);
9871 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
9872 * @phba: pointer to lpfc hba data structure.
9874 * This routine is to free all the pending completion-queue events to the
9875 * back into the free pool for device reset.
9878 lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
9881 struct lpfc_cq_event *cqe;
9882 unsigned long iflags;
9884 /* Retrieve all the pending WCQEs from pending WCQE lists */
9885 spin_lock_irqsave(&phba->hbalock, iflags);
9886 /* Pending FCP XRI abort events */
9887 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
9889 /* Pending ELS XRI abort events */
9890 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
9892 /* Pending asynnc events */
9893 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
9895 spin_unlock_irqrestore(&phba->hbalock, iflags);
9897 while (!list_empty(&cqelist)) {
9898 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
9899 lpfc_sli4_cq_event_release(phba, cqe);
9904 * lpfc_pci_function_reset - Reset pci function.
9905 * @phba: pointer to lpfc hba data structure.
9907 * This routine is invoked to request a PCI function reset. It will destroys
9908 * all resources assigned to the PCI function which originates this request.
9912 * -ENOMEM - No available memory
9913 * -EIO - The mailbox failed to complete successfully.
9916 lpfc_pci_function_reset(struct lpfc_hba *phba)
9918 LPFC_MBOXQ_t *mboxq;
9919 uint32_t rc = 0, if_type;
9920 uint32_t shdr_status, shdr_add_status;
9922 uint32_t port_reset = 0;
9923 union lpfc_sli4_cfg_shdr *shdr;
9924 struct lpfc_register reg_data;
9927 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
9929 case LPFC_SLI_INTF_IF_TYPE_0:
9930 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
9933 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9934 "0494 Unable to allocate memory for "
9935 "issuing SLI_FUNCTION_RESET mailbox "
9940 /* Setup PCI function reset mailbox-ioctl command */
9941 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9942 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
9943 LPFC_SLI4_MBX_EMBED);
9944 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9945 shdr = (union lpfc_sli4_cfg_shdr *)
9946 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
9947 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
9948 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
9950 if (rc != MBX_TIMEOUT)
9951 mempool_free(mboxq, phba->mbox_mem_pool);
9952 if (shdr_status || shdr_add_status || rc) {
9953 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9954 "0495 SLI_FUNCTION_RESET mailbox "
9955 "failed with status x%x add_status x%x,"
9956 " mbx status x%x\n",
9957 shdr_status, shdr_add_status, rc);
9961 case LPFC_SLI_INTF_IF_TYPE_2:
9962 case LPFC_SLI_INTF_IF_TYPE_6:
9965 * Poll the Port Status Register and wait for RDY for
9966 * up to 30 seconds. If the port doesn't respond, treat
9969 for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) {
9970 if (lpfc_readl(phba->sli4_hba.u.if_type2.
9971 STATUSregaddr, ®_data.word0)) {
9975 if (bf_get(lpfc_sliport_status_rdy, ®_data))
9980 if (!bf_get(lpfc_sliport_status_rdy, ®_data)) {
9981 phba->work_status[0] = readl(
9982 phba->sli4_hba.u.if_type2.ERR1regaddr);
9983 phba->work_status[1] = readl(
9984 phba->sli4_hba.u.if_type2.ERR2regaddr);
9985 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9986 "2890 Port not ready, port status reg "
9987 "0x%x error 1=0x%x, error 2=0x%x\n",
9989 phba->work_status[0],
9990 phba->work_status[1]);
9997 * Reset the port now
10000 bf_set(lpfc_sliport_ctrl_end, ®_data,
10001 LPFC_SLIPORT_LITTLE_ENDIAN);
10002 bf_set(lpfc_sliport_ctrl_ip, ®_data,
10003 LPFC_SLIPORT_INIT_PORT);
10004 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
10007 pci_read_config_word(phba->pcidev,
10008 PCI_DEVICE_ID, &devid);
10013 } else if (bf_get(lpfc_sliport_status_rn, ®_data)) {
10019 case LPFC_SLI_INTF_IF_TYPE_1:
10025 /* Catch the not-ready port failure after a port reset. */
10027 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10028 "3317 HBA not functional: IP Reset Failed "
10029 "try: echo fw_reset > board_mode\n");
10037 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
10038 * @phba: pointer to lpfc hba data structure.
10040 * This routine is invoked to set up the PCI device memory space for device
10041 * with SLI-4 interface spec.
10045 * other values - error
10048 lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
10050 struct pci_dev *pdev = phba->pcidev;
10051 unsigned long bar0map_len, bar1map_len, bar2map_len;
10052 int error = -ENODEV;
10058 /* Set the device DMA mask size */
10059 if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
10060 dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))
10064 * The BARs and register set definitions and offset locations are
10065 * dependent on the if_type.
10067 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
10068 &phba->sli4_hba.sli_intf.word0)) {
10072 /* There is no SLI3 failback for SLI4 devices. */
10073 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
10074 LPFC_SLI_INTF_VALID) {
10075 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10076 "2894 SLI_INTF reg contents invalid "
10077 "sli_intf reg 0x%x\n",
10078 phba->sli4_hba.sli_intf.word0);
10082 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
10084 * Get the bus address of SLI4 device Bar regions and the
10085 * number of bytes required by each mapping. The mapping of the
10086 * particular PCI BARs regions is dependent on the type of
10089 if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
10090 phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
10091 bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
10094 * Map SLI4 PCI Config Space Register base to a kernel virtual
10097 phba->sli4_hba.conf_regs_memmap_p =
10098 ioremap(phba->pci_bar0_map, bar0map_len);
10099 if (!phba->sli4_hba.conf_regs_memmap_p) {
10100 dev_printk(KERN_ERR, &pdev->dev,
10101 "ioremap failed for SLI4 PCI config "
10105 phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
10106 /* Set up BAR0 PCI config space register memory map */
10107 lpfc_sli4_bar0_register_memmap(phba, if_type);
10109 phba->pci_bar0_map = pci_resource_start(pdev, 1);
10110 bar0map_len = pci_resource_len(pdev, 1);
10111 if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) {
10112 dev_printk(KERN_ERR, &pdev->dev,
10113 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
10116 phba->sli4_hba.conf_regs_memmap_p =
10117 ioremap(phba->pci_bar0_map, bar0map_len);
10118 if (!phba->sli4_hba.conf_regs_memmap_p) {
10119 dev_printk(KERN_ERR, &pdev->dev,
10120 "ioremap failed for SLI4 PCI config "
10124 lpfc_sli4_bar0_register_memmap(phba, if_type);
10127 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
10128 if (pci_resource_start(pdev, PCI_64BIT_BAR2)) {
10130 * Map SLI4 if type 0 HBA Control Register base to a
10131 * kernel virtual address and setup the registers.
10133 phba->pci_bar1_map = pci_resource_start(pdev,
10135 bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
10136 phba->sli4_hba.ctrl_regs_memmap_p =
10137 ioremap(phba->pci_bar1_map,
10139 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
10140 dev_err(&pdev->dev,
10141 "ioremap failed for SLI4 HBA "
10142 "control registers.\n");
10144 goto out_iounmap_conf;
10146 phba->pci_bar2_memmap_p =
10147 phba->sli4_hba.ctrl_regs_memmap_p;
10148 lpfc_sli4_bar1_register_memmap(phba, if_type);
10151 goto out_iounmap_conf;
10155 if ((if_type == LPFC_SLI_INTF_IF_TYPE_6) &&
10156 (pci_resource_start(pdev, PCI_64BIT_BAR2))) {
10158 * Map SLI4 if type 6 HBA Doorbell Register base to a kernel
10159 * virtual address and setup the registers.
10161 phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
10162 bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
10163 phba->sli4_hba.drbl_regs_memmap_p =
10164 ioremap(phba->pci_bar1_map, bar1map_len);
10165 if (!phba->sli4_hba.drbl_regs_memmap_p) {
10166 dev_err(&pdev->dev,
10167 "ioremap failed for SLI4 HBA doorbell registers.\n");
10168 goto out_iounmap_conf;
10170 phba->pci_bar2_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
10171 lpfc_sli4_bar1_register_memmap(phba, if_type);
10174 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
10175 if (pci_resource_start(pdev, PCI_64BIT_BAR4)) {
10177 * Map SLI4 if type 0 HBA Doorbell Register base to
10178 * a kernel virtual address and setup the registers.
10180 phba->pci_bar2_map = pci_resource_start(pdev,
10182 bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
10183 phba->sli4_hba.drbl_regs_memmap_p =
10184 ioremap(phba->pci_bar2_map,
10186 if (!phba->sli4_hba.drbl_regs_memmap_p) {
10187 dev_err(&pdev->dev,
10188 "ioremap failed for SLI4 HBA"
10189 " doorbell registers.\n");
10191 goto out_iounmap_ctrl;
10193 phba->pci_bar4_memmap_p =
10194 phba->sli4_hba.drbl_regs_memmap_p;
10195 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
10197 goto out_iounmap_all;
10200 goto out_iounmap_all;
10204 if (if_type == LPFC_SLI_INTF_IF_TYPE_6 &&
10205 pci_resource_start(pdev, PCI_64BIT_BAR4)) {
10207 * Map SLI4 if type 6 HBA DPP Register base to a kernel
10208 * virtual address and setup the registers.
10210 phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
10211 bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
10212 phba->sli4_hba.dpp_regs_memmap_p =
10213 ioremap(phba->pci_bar2_map, bar2map_len);
10214 if (!phba->sli4_hba.dpp_regs_memmap_p) {
10215 dev_err(&pdev->dev,
10216 "ioremap failed for SLI4 HBA dpp registers.\n");
10217 goto out_iounmap_ctrl;
10219 phba->pci_bar4_memmap_p = phba->sli4_hba.dpp_regs_memmap_p;
10222 /* Set up the EQ/CQ register handeling functions now */
10224 case LPFC_SLI_INTF_IF_TYPE_0:
10225 case LPFC_SLI_INTF_IF_TYPE_2:
10226 phba->sli4_hba.sli4_eq_clr_intr = lpfc_sli4_eq_clr_intr;
10227 phba->sli4_hba.sli4_write_eq_db = lpfc_sli4_write_eq_db;
10228 phba->sli4_hba.sli4_write_cq_db = lpfc_sli4_write_cq_db;
10230 case LPFC_SLI_INTF_IF_TYPE_6:
10231 phba->sli4_hba.sli4_eq_clr_intr = lpfc_sli4_if6_eq_clr_intr;
10232 phba->sli4_hba.sli4_write_eq_db = lpfc_sli4_if6_write_eq_db;
10233 phba->sli4_hba.sli4_write_cq_db = lpfc_sli4_if6_write_cq_db;
10242 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
10244 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
10246 iounmap(phba->sli4_hba.conf_regs_memmap_p);
10252 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
10253 * @phba: pointer to lpfc hba data structure.
10255 * This routine is invoked to unset the PCI device memory space for device
10256 * with SLI-4 interface spec.
10259 lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
10262 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
10265 case LPFC_SLI_INTF_IF_TYPE_0:
10266 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
10267 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
10268 iounmap(phba->sli4_hba.conf_regs_memmap_p);
10270 case LPFC_SLI_INTF_IF_TYPE_2:
10271 iounmap(phba->sli4_hba.conf_regs_memmap_p);
10273 case LPFC_SLI_INTF_IF_TYPE_6:
10274 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
10275 iounmap(phba->sli4_hba.conf_regs_memmap_p);
10277 case LPFC_SLI_INTF_IF_TYPE_1:
10279 dev_printk(KERN_ERR, &phba->pcidev->dev,
10280 "FATAL - unsupported SLI4 interface type - %d\n",
10287 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
10288 * @phba: pointer to lpfc hba data structure.
10290 * This routine is invoked to enable the MSI-X interrupt vectors to device
10291 * with SLI-3 interface specs.
10295 * other values - error
10298 lpfc_sli_enable_msix(struct lpfc_hba *phba)
10303 /* Set up MSI-X multi-message vectors */
10304 rc = pci_alloc_irq_vectors(phba->pcidev,
10305 LPFC_MSIX_VECTORS, LPFC_MSIX_VECTORS, PCI_IRQ_MSIX);
10307 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10308 "0420 PCI enable MSI-X failed (%d)\n", rc);
10313 * Assign MSI-X vectors to interrupt handlers
10316 /* vector-0 is associated to slow-path handler */
10317 rc = request_irq(pci_irq_vector(phba->pcidev, 0),
10318 &lpfc_sli_sp_intr_handler, 0,
10319 LPFC_SP_DRIVER_HANDLER_NAME, phba);
10321 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
10322 "0421 MSI-X slow-path request_irq failed "
10327 /* vector-1 is associated to fast-path handler */
10328 rc = request_irq(pci_irq_vector(phba->pcidev, 1),
10329 &lpfc_sli_fp_intr_handler, 0,
10330 LPFC_FP_DRIVER_HANDLER_NAME, phba);
10333 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
10334 "0429 MSI-X fast-path request_irq failed "
10340 * Configure HBA MSI-X attention conditions to messages
10342 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
10346 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10347 "0474 Unable to allocate memory for issuing "
10348 "MBOX_CONFIG_MSI command\n");
10351 rc = lpfc_config_msi(phba, pmb);
10354 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
10355 if (rc != MBX_SUCCESS) {
10356 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
10357 "0351 Config MSI mailbox command failed, "
10358 "mbxCmd x%x, mbxStatus x%x\n",
10359 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
10363 /* Free memory allocated for mailbox command */
10364 mempool_free(pmb, phba->mbox_mem_pool);
10368 /* Free memory allocated for mailbox command */
10369 mempool_free(pmb, phba->mbox_mem_pool);
10372 /* free the irq already requested */
10373 free_irq(pci_irq_vector(phba->pcidev, 1), phba);
10376 /* free the irq already requested */
10377 free_irq(pci_irq_vector(phba->pcidev, 0), phba);
10380 /* Unconfigure MSI-X capability structure */
10381 pci_free_irq_vectors(phba->pcidev);
10388 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
10389 * @phba: pointer to lpfc hba data structure.
10391 * This routine is invoked to enable the MSI interrupt mode to device with
10392 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
10393 * enable the MSI vector. The device driver is responsible for calling the
10394 * request_irq() to register MSI vector with a interrupt the handler, which
10395 * is done in this function.
10399 * other values - error
10402 lpfc_sli_enable_msi(struct lpfc_hba *phba)
10406 rc = pci_enable_msi(phba->pcidev);
10408 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10409 "0462 PCI enable MSI mode success.\n");
10411 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10412 "0471 PCI enable MSI mode failed (%d)\n", rc);
10416 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
10417 0, LPFC_DRIVER_NAME, phba);
10419 pci_disable_msi(phba->pcidev);
10420 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
10421 "0478 MSI request_irq failed (%d)\n", rc);
10427 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
10428 * @phba: pointer to lpfc hba data structure.
10430 * This routine is invoked to enable device interrupt and associate driver's
10431 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
10432 * spec. Depends on the interrupt mode configured to the driver, the driver
10433 * will try to fallback from the configured interrupt mode to an interrupt
10434 * mode which is supported by the platform, kernel, and device in the order
10436 * MSI-X -> MSI -> IRQ.
10440 * other values - error
10443 lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
10445 uint32_t intr_mode = LPFC_INTR_ERROR;
10448 if (cfg_mode == 2) {
10449 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
10450 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
10452 /* Now, try to enable MSI-X interrupt mode */
10453 retval = lpfc_sli_enable_msix(phba);
10455 /* Indicate initialization to MSI-X mode */
10456 phba->intr_type = MSIX;
10462 /* Fallback to MSI if MSI-X initialization failed */
10463 if (cfg_mode >= 1 && phba->intr_type == NONE) {
10464 retval = lpfc_sli_enable_msi(phba);
10466 /* Indicate initialization to MSI mode */
10467 phba->intr_type = MSI;
10472 /* Fallback to INTx if both MSI-X/MSI initalization failed */
10473 if (phba->intr_type == NONE) {
10474 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
10475 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
10477 /* Indicate initialization to INTx mode */
10478 phba->intr_type = INTx;
10486 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
10487 * @phba: pointer to lpfc hba data structure.
10489 * This routine is invoked to disable device interrupt and disassociate the
10490 * driver's interrupt handler(s) from interrupt vector(s) to device with
10491 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
10492 * release the interrupt vector(s) for the message signaled interrupt.
10495 lpfc_sli_disable_intr(struct lpfc_hba *phba)
10499 if (phba->intr_type == MSIX)
10500 nr_irqs = LPFC_MSIX_VECTORS;
10504 for (i = 0; i < nr_irqs; i++)
10505 free_irq(pci_irq_vector(phba->pcidev, i), phba);
10506 pci_free_irq_vectors(phba->pcidev);
10508 /* Reset interrupt management states */
10509 phba->intr_type = NONE;
10510 phba->sli.slistat.sli_intr = 0;
10514 * lpfc_find_cpu_handle - Find the CPU that corresponds to the specified EQ
10515 * @phba: pointer to lpfc hba data structure.
10516 * @id: EQ vector index or Hardware Queue index
10517 * @match: LPFC_FIND_BY_EQ = match by EQ
10518 * LPFC_FIND_BY_HDWQ = match by Hardware Queue
10521 lpfc_find_cpu_handle(struct lpfc_hba *phba, uint16_t id, int match)
10523 struct lpfc_vector_map_info *cpup;
10526 /* Find the desired phys_id for the specified EQ */
10527 for_each_present_cpu(cpu) {
10528 cpup = &phba->sli4_hba.cpu_map[cpu];
10529 if ((match == LPFC_FIND_BY_EQ) &&
10530 (cpup->irq != LPFC_VECTOR_MAP_EMPTY) &&
10533 if ((match == LPFC_FIND_BY_HDWQ) && (cpup->hdwq == id))
10540 * lpfc_find_eq_handle - Find the EQ that corresponds to the specified
10542 * @phba: pointer to lpfc hba data structure.
10543 * @hdwq: Hardware Queue index
10546 lpfc_find_eq_handle(struct lpfc_hba *phba, uint16_t hdwq)
10548 struct lpfc_vector_map_info *cpup;
10551 /* Find the desired phys_id for the specified EQ */
10552 for_each_present_cpu(cpu) {
10553 cpup = &phba->sli4_hba.cpu_map[cpu];
10554 if (cpup->hdwq == hdwq)
10562 * lpfc_find_hyper - Determine if the CPU map entry is hyper-threaded
10563 * @phba: pointer to lpfc hba data structure.
10564 * @cpu: CPU map index
10565 * @phys_id: CPU package physical id
10566 * @core_id: CPU core id
10569 lpfc_find_hyper(struct lpfc_hba *phba, int cpu,
10570 uint16_t phys_id, uint16_t core_id)
10572 struct lpfc_vector_map_info *cpup;
10575 for_each_present_cpu(idx) {
10576 cpup = &phba->sli4_hba.cpu_map[idx];
10577 /* Does the cpup match the one we are looking for */
10578 if ((cpup->phys_id == phys_id) &&
10579 (cpup->core_id == core_id) &&
10588 * lpfc_cpu_affinity_check - Check vector CPU affinity mappings
10589 * @phba: pointer to lpfc hba data structure.
10590 * @vectors: number of msix vectors allocated.
10592 * The routine will figure out the CPU affinity assignment for every
10593 * MSI-X vector allocated for the HBA.
10594 * In addition, the CPU to IO channel mapping will be calculated
10595 * and the phba->sli4_hba.cpu_map array will reflect this.
10598 lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors)
10600 int i, cpu, idx, phys_id;
10601 int max_phys_id, min_phys_id;
10602 int max_core_id, min_core_id;
10603 struct lpfc_vector_map_info *cpup;
10604 const struct cpumask *maskp;
10606 struct cpuinfo_x86 *cpuinfo;
10609 /* Init cpu_map array */
10610 memset(phba->sli4_hba.cpu_map, 0xff,
10611 (sizeof(struct lpfc_vector_map_info) *
10612 phba->sli4_hba.num_possible_cpu));
10615 min_phys_id = 0xffff;
10617 min_core_id = 0xffff;
10620 /* Update CPU map with physical id and core id of each CPU */
10621 for_each_present_cpu(cpu) {
10622 cpup = &phba->sli4_hba.cpu_map[cpu];
10624 cpuinfo = &cpu_data(cpu);
10625 cpup->phys_id = cpuinfo->phys_proc_id;
10626 cpup->core_id = cpuinfo->cpu_core_id;
10627 cpup->hyper = lpfc_find_hyper(phba, cpu,
10628 cpup->phys_id, cpup->core_id);
10630 /* No distinction between CPUs for other platforms */
10632 cpup->core_id = cpu;
10636 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10637 "3328 CPU physid %d coreid %d\n",
10638 cpup->phys_id, cpup->core_id);
10640 if (cpup->phys_id > max_phys_id)
10641 max_phys_id = cpup->phys_id;
10642 if (cpup->phys_id < min_phys_id)
10643 min_phys_id = cpup->phys_id;
10645 if (cpup->core_id > max_core_id)
10646 max_core_id = cpup->core_id;
10647 if (cpup->core_id < min_core_id)
10648 min_core_id = cpup->core_id;
10651 for_each_possible_cpu(i) {
10652 struct lpfc_eq_intr_info *eqi =
10653 per_cpu_ptr(phba->sli4_hba.eq_info, i);
10655 INIT_LIST_HEAD(&eqi->list);
10659 for (idx = 0; idx < phba->cfg_irq_chann; idx++) {
10660 maskp = pci_irq_get_affinity(phba->pcidev, idx);
10664 for_each_cpu_and(cpu, maskp, cpu_present_mask) {
10665 cpup = &phba->sli4_hba.cpu_map[cpu];
10668 cpup->irq = pci_irq_vector(phba->pcidev, idx);
10670 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10671 "3336 Set Affinity: CPU %d "
10672 "hdwq %d irq %d\n",
10673 cpu, cpup->hdwq, cpup->irq);
10680 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
10681 * @phba: pointer to lpfc hba data structure.
10683 * This routine is invoked to enable the MSI-X interrupt vectors to device
10684 * with SLI-4 interface spec.
10688 * other values - error
10691 lpfc_sli4_enable_msix(struct lpfc_hba *phba)
10693 int vectors, rc, index;
10696 /* Set up MSI-X multi-message vectors */
10697 vectors = phba->cfg_irq_chann;
10699 rc = pci_alloc_irq_vectors(phba->pcidev,
10701 vectors, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
10703 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10704 "0484 PCI enable MSI-X failed (%d)\n", rc);
10709 /* Assign MSI-X vectors to interrupt handlers */
10710 for (index = 0; index < vectors; index++) {
10711 name = phba->sli4_hba.hba_eq_hdl[index].handler_name;
10712 memset(name, 0, LPFC_SLI4_HANDLER_NAME_SZ);
10713 snprintf(name, LPFC_SLI4_HANDLER_NAME_SZ,
10714 LPFC_DRIVER_HANDLER_NAME"%d", index);
10716 phba->sli4_hba.hba_eq_hdl[index].idx = index;
10717 phba->sli4_hba.hba_eq_hdl[index].phba = phba;
10718 rc = request_irq(pci_irq_vector(phba->pcidev, index),
10719 &lpfc_sli4_hba_intr_handler, 0,
10721 &phba->sli4_hba.hba_eq_hdl[index]);
10723 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
10724 "0486 MSI-X fast-path (%d) "
10725 "request_irq failed (%d)\n", index, rc);
10730 if (vectors != phba->cfg_irq_chann) {
10731 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10732 "3238 Reducing IO channels to match number of "
10733 "MSI-X vectors, requested %d got %d\n",
10734 phba->cfg_irq_chann, vectors);
10735 if (phba->cfg_irq_chann > vectors)
10736 phba->cfg_irq_chann = vectors;
10737 if (phba->cfg_nvmet_mrq > vectors)
10738 phba->cfg_nvmet_mrq = vectors;
10744 /* free the irq already requested */
10745 for (--index; index >= 0; index--)
10746 free_irq(pci_irq_vector(phba->pcidev, index),
10747 &phba->sli4_hba.hba_eq_hdl[index]);
10749 /* Unconfigure MSI-X capability structure */
10750 pci_free_irq_vectors(phba->pcidev);
10757 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
10758 * @phba: pointer to lpfc hba data structure.
10760 * This routine is invoked to enable the MSI interrupt mode to device with
10761 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
10762 * to enable the MSI vector. The device driver is responsible for calling
10763 * the request_irq() to register MSI vector with a interrupt the handler,
10764 * which is done in this function.
10768 * other values - error
10771 lpfc_sli4_enable_msi(struct lpfc_hba *phba)
10775 rc = pci_enable_msi(phba->pcidev);
10777 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10778 "0487 PCI enable MSI mode success.\n");
10780 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10781 "0488 PCI enable MSI mode failed (%d)\n", rc);
10785 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
10786 0, LPFC_DRIVER_NAME, phba);
10788 pci_disable_msi(phba->pcidev);
10789 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
10790 "0490 MSI request_irq failed (%d)\n", rc);
10794 for (index = 0; index < phba->cfg_irq_chann; index++) {
10795 phba->sli4_hba.hba_eq_hdl[index].idx = index;
10796 phba->sli4_hba.hba_eq_hdl[index].phba = phba;
10803 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
10804 * @phba: pointer to lpfc hba data structure.
10806 * This routine is invoked to enable device interrupt and associate driver's
10807 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
10808 * interface spec. Depends on the interrupt mode configured to the driver,
10809 * the driver will try to fallback from the configured interrupt mode to an
10810 * interrupt mode which is supported by the platform, kernel, and device in
10812 * MSI-X -> MSI -> IRQ.
10816 * other values - error
10819 lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
10821 uint32_t intr_mode = LPFC_INTR_ERROR;
10824 if (cfg_mode == 2) {
10825 /* Preparation before conf_msi mbox cmd */
10828 /* Now, try to enable MSI-X interrupt mode */
10829 retval = lpfc_sli4_enable_msix(phba);
10831 /* Indicate initialization to MSI-X mode */
10832 phba->intr_type = MSIX;
10838 /* Fallback to MSI if MSI-X initialization failed */
10839 if (cfg_mode >= 1 && phba->intr_type == NONE) {
10840 retval = lpfc_sli4_enable_msi(phba);
10842 /* Indicate initialization to MSI mode */
10843 phba->intr_type = MSI;
10848 /* Fallback to INTx if both MSI-X/MSI initalization failed */
10849 if (phba->intr_type == NONE) {
10850 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
10851 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
10853 struct lpfc_hba_eq_hdl *eqhdl;
10855 /* Indicate initialization to INTx mode */
10856 phba->intr_type = INTx;
10859 for (idx = 0; idx < phba->cfg_irq_chann; idx++) {
10860 eqhdl = &phba->sli4_hba.hba_eq_hdl[idx];
10862 eqhdl->phba = phba;
10870 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
10871 * @phba: pointer to lpfc hba data structure.
10873 * This routine is invoked to disable device interrupt and disassociate
10874 * the driver's interrupt handler(s) from interrupt vector(s) to device
10875 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
10876 * will release the interrupt vector(s) for the message signaled interrupt.
10879 lpfc_sli4_disable_intr(struct lpfc_hba *phba)
10881 /* Disable the currently initialized interrupt mode */
10882 if (phba->intr_type == MSIX) {
10885 /* Free up MSI-X multi-message vectors */
10886 for (index = 0; index < phba->cfg_irq_chann; index++) {
10887 irq_set_affinity_hint(
10888 pci_irq_vector(phba->pcidev, index),
10890 free_irq(pci_irq_vector(phba->pcidev, index),
10891 &phba->sli4_hba.hba_eq_hdl[index]);
10894 free_irq(phba->pcidev->irq, phba);
10897 pci_free_irq_vectors(phba->pcidev);
10899 /* Reset interrupt management states */
10900 phba->intr_type = NONE;
10901 phba->sli.slistat.sli_intr = 0;
10905 * lpfc_unset_hba - Unset SLI3 hba device initialization
10906 * @phba: pointer to lpfc hba data structure.
10908 * This routine is invoked to unset the HBA device initialization steps to
10909 * a device with SLI-3 interface spec.
10912 lpfc_unset_hba(struct lpfc_hba *phba)
10914 struct lpfc_vport *vport = phba->pport;
10915 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
10917 spin_lock_irq(shost->host_lock);
10918 vport->load_flag |= FC_UNLOADING;
10919 spin_unlock_irq(shost->host_lock);
10921 kfree(phba->vpi_bmask);
10922 kfree(phba->vpi_ids);
10924 lpfc_stop_hba_timers(phba);
10926 phba->pport->work_port_events = 0;
10928 lpfc_sli_hba_down(phba);
10930 lpfc_sli_brdrestart(phba);
10932 lpfc_sli_disable_intr(phba);
10938 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
10939 * @phba: Pointer to HBA context object.
10941 * This function is called in the SLI4 code path to wait for completion
10942 * of device's XRIs exchange busy. It will check the XRI exchange busy
10943 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
10944 * that, it will check the XRI exchange busy on outstanding FCP and ELS
10945 * I/Os every 30 seconds, log error message, and wait forever. Only when
10946 * all XRI exchange busy complete, the driver unload shall proceed with
10947 * invoking the function reset ioctl mailbox command to the CNA and the
10948 * the rest of the driver unload resource release.
10951 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
10953 struct lpfc_sli4_hdw_queue *qp;
10954 int idx, ccnt, fcnt;
10956 int io_xri_cmpl = 1;
10957 int nvmet_xri_cmpl = 1;
10958 int fcp_xri_cmpl = 1;
10959 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
10961 /* Driver just aborted IOs during the hba_unset process. Pause
10962 * here to give the HBA time to complete the IO and get entries
10963 * into the abts lists.
10965 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1 * 5);
10967 /* Wait for NVME pending IO to flush back to transport. */
10968 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
10969 lpfc_nvme_wait_for_io_drain(phba);
10973 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
10974 qp = &phba->sli4_hba.hdwq[idx];
10975 fcp_xri_cmpl = list_empty(
10976 &qp->lpfc_abts_scsi_buf_list);
10977 if (!fcp_xri_cmpl) /* if list is NOT empty */
10979 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
10980 io_xri_cmpl = list_empty(
10981 &qp->lpfc_abts_nvme_buf_list);
10982 if (!io_xri_cmpl) /* if list is NOT empty */
10991 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
10993 list_empty(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
10996 while (!fcp_xri_cmpl || !els_xri_cmpl || !io_xri_cmpl ||
10998 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
10999 if (!nvmet_xri_cmpl)
11000 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11001 "6424 NVMET XRI exchange busy "
11002 "wait time: %d seconds.\n",
11005 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11006 "6100 NVME XRI exchange busy "
11007 "wait time: %d seconds.\n",
11010 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11011 "2877 FCP XRI exchange busy "
11012 "wait time: %d seconds.\n",
11015 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11016 "2878 ELS XRI exchange busy "
11017 "wait time: %d seconds.\n",
11019 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
11020 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
11022 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
11023 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
11028 for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
11029 qp = &phba->sli4_hba.hdwq[idx];
11030 fcp_xri_cmpl = list_empty(
11031 &qp->lpfc_abts_scsi_buf_list);
11032 if (!fcp_xri_cmpl) /* if list is NOT empty */
11034 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
11035 io_xri_cmpl = list_empty(
11036 &qp->lpfc_abts_nvme_buf_list);
11037 if (!io_xri_cmpl) /* if list is NOT empty */
11046 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
11047 nvmet_xri_cmpl = list_empty(
11048 &phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
11051 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
11057 * lpfc_sli4_hba_unset - Unset the fcoe hba
11058 * @phba: Pointer to HBA context object.
11060 * This function is called in the SLI4 code path to reset the HBA's FCoE
11061 * function. The caller is not required to hold any lock. This routine
11062 * issues PCI function reset mailbox command to reset the FCoE function.
11063 * At the end of the function, it calls lpfc_hba_down_post function to
11064 * free any pending commands.
11067 lpfc_sli4_hba_unset(struct lpfc_hba *phba)
11070 LPFC_MBOXQ_t *mboxq;
11071 struct pci_dev *pdev = phba->pcidev;
11073 lpfc_stop_hba_timers(phba);
11075 phba->sli4_hba.intr_enable = 0;
11078 * Gracefully wait out the potential current outstanding asynchronous
11082 /* First, block any pending async mailbox command from posted */
11083 spin_lock_irq(&phba->hbalock);
11084 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
11085 spin_unlock_irq(&phba->hbalock);
11086 /* Now, trying to wait it out if we can */
11087 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
11089 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
11092 /* Forcefully release the outstanding mailbox command if timed out */
11093 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
11094 spin_lock_irq(&phba->hbalock);
11095 mboxq = phba->sli.mbox_active;
11096 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
11097 __lpfc_mbox_cmpl_put(phba, mboxq);
11098 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
11099 phba->sli.mbox_active = NULL;
11100 spin_unlock_irq(&phba->hbalock);
11103 /* Abort all iocbs associated with the hba */
11104 lpfc_sli_hba_iocb_abort(phba);
11106 /* Wait for completion of device XRI exchange busy */
11107 lpfc_sli4_xri_exchange_busy_wait(phba);
11109 /* Disable PCI subsystem interrupt */
11110 lpfc_sli4_disable_intr(phba);
11112 /* Disable SR-IOV if enabled */
11113 if (phba->cfg_sriov_nr_virtfn)
11114 pci_disable_sriov(pdev);
11116 /* Stop kthread signal shall trigger work_done one more time */
11117 kthread_stop(phba->worker_thread);
11119 /* Disable FW logging to host memory */
11120 lpfc_ras_stop_fwlog(phba);
11122 /* Unset the queues shared with the hardware then release all
11123 * allocated resources.
11125 lpfc_sli4_queue_unset(phba);
11126 lpfc_sli4_queue_destroy(phba);
11128 /* Reset SLI4 HBA FCoE function */
11129 lpfc_pci_function_reset(phba);
11131 /* Free RAS DMA memory */
11132 if (phba->ras_fwlog.ras_enabled)
11133 lpfc_sli4_ras_dma_free(phba);
11135 /* Stop the SLI4 device port */
11136 phba->pport->work_port_events = 0;
11140 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
11141 * @phba: Pointer to HBA context object.
11142 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
11144 * This function is called in the SLI4 code path to read the port's
11145 * sli4 capabilities.
11147 * This function may be be called from any context that can block-wait
11148 * for the completion. The expectation is that this routine is called
11149 * typically from probe_one or from the online routine.
11152 lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
11155 struct lpfc_mqe *mqe;
11156 struct lpfc_pc_sli4_params *sli4_params;
11160 mqe = &mboxq->u.mqe;
11162 /* Read the port's SLI4 Parameters port capabilities */
11163 lpfc_pc_sli4_params(mboxq);
11164 if (!phba->sli4_hba.intr_enable)
11165 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
11167 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
11168 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
11174 sli4_params = &phba->sli4_hba.pc_sli4_params;
11175 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
11176 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
11177 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
11178 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
11179 &mqe->un.sli4_params);
11180 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
11181 &mqe->un.sli4_params);
11182 sli4_params->proto_types = mqe->un.sli4_params.word3;
11183 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
11184 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
11185 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
11186 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
11187 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
11188 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
11189 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
11190 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
11191 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
11192 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
11193 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
11194 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
11195 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
11196 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
11197 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
11198 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
11199 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
11200 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
11201 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
11202 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
11204 /* Make sure that sge_supp_len can be handled by the driver */
11205 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
11206 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
11212 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
11213 * @phba: Pointer to HBA context object.
11214 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
11216 * This function is called in the SLI4 code path to read the port's
11217 * sli4 capabilities.
11219 * This function may be be called from any context that can block-wait
11220 * for the completion. The expectation is that this routine is called
11221 * typically from probe_one or from the online routine.
11224 lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
11227 struct lpfc_mqe *mqe = &mboxq->u.mqe;
11228 struct lpfc_pc_sli4_params *sli4_params;
11231 bool exp_wqcq_pages = true;
11232 struct lpfc_sli4_parameters *mbx_sli4_parameters;
11235 * By default, the driver assumes the SLI4 port requires RPI
11236 * header postings. The SLI4_PARAM response will correct this
11239 phba->sli4_hba.rpi_hdrs_in_use = 1;
11241 /* Read the port's SLI4 Config Parameters */
11242 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
11243 sizeof(struct lpfc_sli4_cfg_mhdr));
11244 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
11245 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
11246 length, LPFC_SLI4_MBX_EMBED);
11247 if (!phba->sli4_hba.intr_enable)
11248 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
11250 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
11251 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
11255 sli4_params = &phba->sli4_hba.pc_sli4_params;
11256 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
11257 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
11258 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
11259 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
11260 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
11261 mbx_sli4_parameters);
11262 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
11263 mbx_sli4_parameters);
11264 if (bf_get(cfg_phwq, mbx_sli4_parameters))
11265 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
11267 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
11268 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
11269 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
11270 sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters);
11271 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
11272 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
11273 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
11274 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
11275 sli4_params->eqav = bf_get(cfg_eqav, mbx_sli4_parameters);
11276 sli4_params->cqav = bf_get(cfg_cqav, mbx_sli4_parameters);
11277 sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
11278 sli4_params->bv1s = bf_get(cfg_bv1s, mbx_sli4_parameters);
11279 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
11280 mbx_sli4_parameters);
11281 sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters);
11282 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
11283 mbx_sli4_parameters);
11284 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
11285 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
11286 phba->nvme_support = (bf_get(cfg_nvme, mbx_sli4_parameters) &&
11287 bf_get(cfg_xib, mbx_sli4_parameters));
11289 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) ||
11290 !phba->nvme_support) {
11291 phba->nvme_support = 0;
11292 phba->nvmet_support = 0;
11293 phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_OFF;
11294 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME,
11295 "6101 Disabling NVME support: "
11296 "Not supported by firmware: %d %d\n",
11297 bf_get(cfg_nvme, mbx_sli4_parameters),
11298 bf_get(cfg_xib, mbx_sli4_parameters));
11300 /* If firmware doesn't support NVME, just use SCSI support */
11301 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
11303 phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP;
11306 /* Only embed PBDE for if_type 6, PBDE support requires xib be set */
11307 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
11308 LPFC_SLI_INTF_IF_TYPE_6) || (!bf_get(cfg_xib, mbx_sli4_parameters)))
11309 phba->cfg_enable_pbde = 0;
11312 * To support Suppress Response feature we must satisfy 3 conditions.
11313 * lpfc_suppress_rsp module parameter must be set (default).
11314 * In SLI4-Parameters Descriptor:
11315 * Extended Inline Buffers (XIB) must be supported.
11316 * Suppress Response IU Not Supported (SRIUNS) must NOT be supported
11317 * (double negative).
11319 if (phba->cfg_suppress_rsp && bf_get(cfg_xib, mbx_sli4_parameters) &&
11320 !(bf_get(cfg_nosr, mbx_sli4_parameters)))
11321 phba->sli.sli_flag |= LPFC_SLI_SUPPRESS_RSP;
11323 phba->cfg_suppress_rsp = 0;
11325 if (bf_get(cfg_eqdr, mbx_sli4_parameters))
11326 phba->sli.sli_flag |= LPFC_SLI_USE_EQDR;
11328 /* Make sure that sge_supp_len can be handled by the driver */
11329 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
11330 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
11333 * Check whether the adapter supports an embedded copy of the
11334 * FCP CMD IU within the WQE for FCP_Ixxx commands. In order
11335 * to use this option, 128-byte WQEs must be used.
11337 if (bf_get(cfg_ext_embed_cb, mbx_sli4_parameters))
11338 phba->fcp_embed_io = 1;
11340 phba->fcp_embed_io = 0;
11342 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_NVME,
11343 "6422 XIB %d PBDE %d: FCP %d NVME %d %d %d\n",
11344 bf_get(cfg_xib, mbx_sli4_parameters),
11345 phba->cfg_enable_pbde,
11346 phba->fcp_embed_io, phba->nvme_support,
11347 phba->cfg_nvme_embed_cmd, phba->cfg_suppress_rsp);
11349 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
11350 LPFC_SLI_INTF_IF_TYPE_2) &&
11351 (bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf) ==
11352 LPFC_SLI_INTF_FAMILY_LNCR_A0))
11353 exp_wqcq_pages = false;
11355 if ((bf_get(cfg_cqpsize, mbx_sli4_parameters) & LPFC_CQ_16K_PAGE_SZ) &&
11356 (bf_get(cfg_wqpsize, mbx_sli4_parameters) & LPFC_WQ_16K_PAGE_SZ) &&
11358 (sli4_params->wqsize & LPFC_WQ_SZ128_SUPPORT))
11359 phba->enab_exp_wqcq_pages = 1;
11361 phba->enab_exp_wqcq_pages = 0;
11363 * Check if the SLI port supports MDS Diagnostics
11365 if (bf_get(cfg_mds_diags, mbx_sli4_parameters))
11366 phba->mds_diags_support = 1;
11368 phba->mds_diags_support = 0;
11374 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
11375 * @pdev: pointer to PCI device
11376 * @pid: pointer to PCI device identifier
11378 * This routine is to be called to attach a device with SLI-3 interface spec
11379 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
11380 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
11381 * information of the device and driver to see if the driver state that it can
11382 * support this kind of device. If the match is successful, the driver core
11383 * invokes this routine. If this routine determines it can claim the HBA, it
11384 * does all the initialization that it needs to do to handle the HBA properly.
11387 * 0 - driver can claim the device
11388 * negative value - driver can not claim the device
11391 lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
11393 struct lpfc_hba *phba;
11394 struct lpfc_vport *vport = NULL;
11395 struct Scsi_Host *shost = NULL;
11397 uint32_t cfg_mode, intr_mode;
11399 /* Allocate memory for HBA structure */
11400 phba = lpfc_hba_alloc(pdev);
11404 /* Perform generic PCI device enabling operation */
11405 error = lpfc_enable_pci_dev(phba);
11407 goto out_free_phba;
11409 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
11410 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
11412 goto out_disable_pci_dev;
11414 /* Set up SLI-3 specific device PCI memory space */
11415 error = lpfc_sli_pci_mem_setup(phba);
11417 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11418 "1402 Failed to set up pci memory space.\n");
11419 goto out_disable_pci_dev;
11422 /* Set up SLI-3 specific device driver resources */
11423 error = lpfc_sli_driver_resource_setup(phba);
11425 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11426 "1404 Failed to set up driver resource.\n");
11427 goto out_unset_pci_mem_s3;
11430 /* Initialize and populate the iocb list per host */
11432 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
11434 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11435 "1405 Failed to initialize iocb list.\n");
11436 goto out_unset_driver_resource_s3;
11439 /* Set up common device driver resources */
11440 error = lpfc_setup_driver_resource_phase2(phba);
11442 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11443 "1406 Failed to set up driver resource.\n");
11444 goto out_free_iocb_list;
11447 /* Get the default values for Model Name and Description */
11448 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
11450 /* Create SCSI host to the physical port */
11451 error = lpfc_create_shost(phba);
11453 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11454 "1407 Failed to create scsi host.\n");
11455 goto out_unset_driver_resource;
11458 /* Configure sysfs attributes */
11459 vport = phba->pport;
11460 error = lpfc_alloc_sysfs_attr(vport);
11462 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11463 "1476 Failed to allocate sysfs attr\n");
11464 goto out_destroy_shost;
11467 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
11468 /* Now, trying to enable interrupt and bring up the device */
11469 cfg_mode = phba->cfg_use_msi;
11471 /* Put device to a known state before enabling interrupt */
11472 lpfc_stop_port(phba);
11473 /* Configure and enable interrupt */
11474 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
11475 if (intr_mode == LPFC_INTR_ERROR) {
11476 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11477 "0431 Failed to enable interrupt.\n");
11479 goto out_free_sysfs_attr;
11481 /* SLI-3 HBA setup */
11482 if (lpfc_sli_hba_setup(phba)) {
11483 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11484 "1477 Failed to set up hba\n");
11486 goto out_remove_device;
11489 /* Wait 50ms for the interrupts of previous mailbox commands */
11491 /* Check active interrupts on message signaled interrupts */
11492 if (intr_mode == 0 ||
11493 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
11494 /* Log the current active interrupt mode */
11495 phba->intr_mode = intr_mode;
11496 lpfc_log_intr_mode(phba, intr_mode);
11499 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
11500 "0447 Configure interrupt mode (%d) "
11501 "failed active interrupt test.\n",
11503 /* Disable the current interrupt mode */
11504 lpfc_sli_disable_intr(phba);
11505 /* Try next level of interrupt mode */
11506 cfg_mode = --intr_mode;
11510 /* Perform post initialization setup */
11511 lpfc_post_init_setup(phba);
11513 /* Check if there are static vports to be created. */
11514 lpfc_create_static_vport(phba);
11519 lpfc_unset_hba(phba);
11520 out_free_sysfs_attr:
11521 lpfc_free_sysfs_attr(vport);
11523 lpfc_destroy_shost(phba);
11524 out_unset_driver_resource:
11525 lpfc_unset_driver_resource_phase2(phba);
11526 out_free_iocb_list:
11527 lpfc_free_iocb_list(phba);
11528 out_unset_driver_resource_s3:
11529 lpfc_sli_driver_resource_unset(phba);
11530 out_unset_pci_mem_s3:
11531 lpfc_sli_pci_mem_unset(phba);
11532 out_disable_pci_dev:
11533 lpfc_disable_pci_dev(phba);
11535 scsi_host_put(shost);
11537 lpfc_hba_free(phba);
11542 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
11543 * @pdev: pointer to PCI device
11545 * This routine is to be called to disattach a device with SLI-3 interface
11546 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
11547 * removed from PCI bus, it performs all the necessary cleanup for the HBA
11548 * device to be removed from the PCI subsystem properly.
11551 lpfc_pci_remove_one_s3(struct pci_dev *pdev)
11553 struct Scsi_Host *shost = pci_get_drvdata(pdev);
11554 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
11555 struct lpfc_vport **vports;
11556 struct lpfc_hba *phba = vport->phba;
11559 spin_lock_irq(&phba->hbalock);
11560 vport->load_flag |= FC_UNLOADING;
11561 spin_unlock_irq(&phba->hbalock);
11563 lpfc_free_sysfs_attr(vport);
11565 /* Release all the vports against this physical port */
11566 vports = lpfc_create_vport_work_array(phba);
11567 if (vports != NULL)
11568 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
11569 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
11571 fc_vport_terminate(vports[i]->fc_vport);
11573 lpfc_destroy_vport_work_array(phba, vports);
11575 /* Remove FC host and then SCSI host with the physical port */
11576 fc_remove_host(shost);
11577 scsi_remove_host(shost);
11579 lpfc_cleanup(vport);
11582 * Bring down the SLI Layer. This step disable all interrupts,
11583 * clears the rings, discards all mailbox commands, and resets
11587 /* HBA interrupt will be disabled after this call */
11588 lpfc_sli_hba_down(phba);
11589 /* Stop kthread signal shall trigger work_done one more time */
11590 kthread_stop(phba->worker_thread);
11591 /* Final cleanup of txcmplq and reset the HBA */
11592 lpfc_sli_brdrestart(phba);
11594 kfree(phba->vpi_bmask);
11595 kfree(phba->vpi_ids);
11597 lpfc_stop_hba_timers(phba);
11598 spin_lock_irq(&phba->port_list_lock);
11599 list_del_init(&vport->listentry);
11600 spin_unlock_irq(&phba->port_list_lock);
11602 lpfc_debugfs_terminate(vport);
11604 /* Disable SR-IOV if enabled */
11605 if (phba->cfg_sriov_nr_virtfn)
11606 pci_disable_sriov(pdev);
11608 /* Disable interrupt */
11609 lpfc_sli_disable_intr(phba);
11611 scsi_host_put(shost);
11614 * Call scsi_free before mem_free since scsi bufs are released to their
11615 * corresponding pools here.
11617 lpfc_scsi_free(phba);
11618 lpfc_free_iocb_list(phba);
11620 lpfc_mem_free_all(phba);
11622 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
11623 phba->hbqslimp.virt, phba->hbqslimp.phys);
11625 /* Free resources associated with SLI2 interface */
11626 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
11627 phba->slim2p.virt, phba->slim2p.phys);
11629 /* unmap adapter SLIM and Control Registers */
11630 iounmap(phba->ctrl_regs_memmap_p);
11631 iounmap(phba->slim_memmap_p);
11633 lpfc_hba_free(phba);
11635 pci_release_mem_regions(pdev);
11636 pci_disable_device(pdev);
11640 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
11641 * @pdev: pointer to PCI device
11642 * @msg: power management message
11644 * This routine is to be called from the kernel's PCI subsystem to support
11645 * system Power Management (PM) to device with SLI-3 interface spec. When
11646 * PM invokes this method, it quiesces the device by stopping the driver's
11647 * worker thread for the device, turning off device's interrupt and DMA,
11648 * and bring the device offline. Note that as the driver implements the
11649 * minimum PM requirements to a power-aware driver's PM support for the
11650 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
11651 * to the suspend() method call will be treated as SUSPEND and the driver will
11652 * fully reinitialize its device during resume() method call, the driver will
11653 * set device to PCI_D3hot state in PCI config space instead of setting it
11654 * according to the @msg provided by the PM.
11657 * 0 - driver suspended the device
11661 lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
11663 struct Scsi_Host *shost = pci_get_drvdata(pdev);
11664 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
11666 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
11667 "0473 PCI device Power Management suspend.\n");
11669 /* Bring down the device */
11670 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
11671 lpfc_offline(phba);
11672 kthread_stop(phba->worker_thread);
11674 /* Disable interrupt from device */
11675 lpfc_sli_disable_intr(phba);
11677 /* Save device state to PCI config space */
11678 pci_save_state(pdev);
11679 pci_set_power_state(pdev, PCI_D3hot);
11685 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
11686 * @pdev: pointer to PCI device
11688 * This routine is to be called from the kernel's PCI subsystem to support
11689 * system Power Management (PM) to device with SLI-3 interface spec. When PM
11690 * invokes this method, it restores the device's PCI config space state and
11691 * fully reinitializes the device and brings it online. Note that as the
11692 * driver implements the minimum PM requirements to a power-aware driver's
11693 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
11694 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
11695 * driver will fully reinitialize its device during resume() method call,
11696 * the device will be set to PCI_D0 directly in PCI config space before
11697 * restoring the state.
11700 * 0 - driver suspended the device
11704 lpfc_pci_resume_one_s3(struct pci_dev *pdev)
11706 struct Scsi_Host *shost = pci_get_drvdata(pdev);
11707 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
11708 uint32_t intr_mode;
11711 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
11712 "0452 PCI device Power Management resume.\n");
11714 /* Restore device state from PCI config space */
11715 pci_set_power_state(pdev, PCI_D0);
11716 pci_restore_state(pdev);
11719 * As the new kernel behavior of pci_restore_state() API call clears
11720 * device saved_state flag, need to save the restored state again.
11722 pci_save_state(pdev);
11724 if (pdev->is_busmaster)
11725 pci_set_master(pdev);
11727 /* Startup the kernel thread for this host adapter. */
11728 phba->worker_thread = kthread_run(lpfc_do_work, phba,
11729 "lpfc_worker_%d", phba->brd_no);
11730 if (IS_ERR(phba->worker_thread)) {
11731 error = PTR_ERR(phba->worker_thread);
11732 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11733 "0434 PM resume failed to start worker "
11734 "thread: error=x%x.\n", error);
11738 /* Configure and enable interrupt */
11739 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
11740 if (intr_mode == LPFC_INTR_ERROR) {
11741 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11742 "0430 PM resume Failed to enable interrupt\n");
11745 phba->intr_mode = intr_mode;
11747 /* Restart HBA and bring it online */
11748 lpfc_sli_brdrestart(phba);
11751 /* Log the current active interrupt mode */
11752 lpfc_log_intr_mode(phba, phba->intr_mode);
11758 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
11759 * @phba: pointer to lpfc hba data structure.
11761 * This routine is called to prepare the SLI3 device for PCI slot recover. It
11762 * aborts all the outstanding SCSI I/Os to the pci device.
11765 lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
11767 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11768 "2723 PCI channel I/O abort preparing for recovery\n");
11771 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
11772 * and let the SCSI mid-layer to retry them to recover.
11774 lpfc_sli_abort_fcp_rings(phba);
11778 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
11779 * @phba: pointer to lpfc hba data structure.
11781 * This routine is called to prepare the SLI3 device for PCI slot reset. It
11782 * disables the device interrupt and pci device, and aborts the internal FCP
11786 lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
11788 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11789 "2710 PCI channel disable preparing for reset\n");
11791 /* Block any management I/Os to the device */
11792 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
11794 /* Block all SCSI devices' I/Os on the host */
11795 lpfc_scsi_dev_block(phba);
11797 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
11798 lpfc_sli_flush_fcp_rings(phba);
11800 /* stop all timers */
11801 lpfc_stop_hba_timers(phba);
11803 /* Disable interrupt and pci device */
11804 lpfc_sli_disable_intr(phba);
11805 pci_disable_device(phba->pcidev);
11809 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
11810 * @phba: pointer to lpfc hba data structure.
11812 * This routine is called to prepare the SLI3 device for PCI slot permanently
11813 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
11817 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
11819 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11820 "2711 PCI channel permanent disable for failure\n");
11821 /* Block all SCSI devices' I/Os on the host */
11822 lpfc_scsi_dev_block(phba);
11824 /* stop all timers */
11825 lpfc_stop_hba_timers(phba);
11827 /* Clean up all driver's outstanding SCSI I/Os */
11828 lpfc_sli_flush_fcp_rings(phba);
11832 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
11833 * @pdev: pointer to PCI device.
11834 * @state: the current PCI connection state.
11836 * This routine is called from the PCI subsystem for I/O error handling to
11837 * device with SLI-3 interface spec. This function is called by the PCI
11838 * subsystem after a PCI bus error affecting this device has been detected.
11839 * When this function is invoked, it will need to stop all the I/Os and
11840 * interrupt(s) to the device. Once that is done, it will return
11841 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
11845 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
11846 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11847 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11849 static pci_ers_result_t
11850 lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
11852 struct Scsi_Host *shost = pci_get_drvdata(pdev);
11853 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
11856 case pci_channel_io_normal:
11857 /* Non-fatal error, prepare for recovery */
11858 lpfc_sli_prep_dev_for_recover(phba);
11859 return PCI_ERS_RESULT_CAN_RECOVER;
11860 case pci_channel_io_frozen:
11861 /* Fatal error, prepare for slot reset */
11862 lpfc_sli_prep_dev_for_reset(phba);
11863 return PCI_ERS_RESULT_NEED_RESET;
11864 case pci_channel_io_perm_failure:
11865 /* Permanent failure, prepare for device down */
11866 lpfc_sli_prep_dev_for_perm_failure(phba);
11867 return PCI_ERS_RESULT_DISCONNECT;
11869 /* Unknown state, prepare and request slot reset */
11870 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11871 "0472 Unknown PCI error state: x%x\n", state);
11872 lpfc_sli_prep_dev_for_reset(phba);
11873 return PCI_ERS_RESULT_NEED_RESET;
11878 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
11879 * @pdev: pointer to PCI device.
11881 * This routine is called from the PCI subsystem for error handling to
11882 * device with SLI-3 interface spec. This is called after PCI bus has been
11883 * reset to restart the PCI card from scratch, as if from a cold-boot.
11884 * During the PCI subsystem error recovery, after driver returns
11885 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
11886 * recovery and then call this routine before calling the .resume method
11887 * to recover the device. This function will initialize the HBA device,
11888 * enable the interrupt, but it will just put the HBA to offline state
11889 * without passing any I/O traffic.
11892 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11893 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11895 static pci_ers_result_t
11896 lpfc_io_slot_reset_s3(struct pci_dev *pdev)
11898 struct Scsi_Host *shost = pci_get_drvdata(pdev);
11899 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
11900 struct lpfc_sli *psli = &phba->sli;
11901 uint32_t intr_mode;
11903 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
11904 if (pci_enable_device_mem(pdev)) {
11905 printk(KERN_ERR "lpfc: Cannot re-enable "
11906 "PCI device after reset.\n");
11907 return PCI_ERS_RESULT_DISCONNECT;
11910 pci_restore_state(pdev);
11913 * As the new kernel behavior of pci_restore_state() API call clears
11914 * device saved_state flag, need to save the restored state again.
11916 pci_save_state(pdev);
11918 if (pdev->is_busmaster)
11919 pci_set_master(pdev);
11921 spin_lock_irq(&phba->hbalock);
11922 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
11923 spin_unlock_irq(&phba->hbalock);
11925 /* Configure and enable interrupt */
11926 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
11927 if (intr_mode == LPFC_INTR_ERROR) {
11928 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11929 "0427 Cannot re-enable interrupt after "
11931 return PCI_ERS_RESULT_DISCONNECT;
11933 phba->intr_mode = intr_mode;
11935 /* Take device offline, it will perform cleanup */
11936 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
11937 lpfc_offline(phba);
11938 lpfc_sli_brdrestart(phba);
11940 /* Log the current active interrupt mode */
11941 lpfc_log_intr_mode(phba, phba->intr_mode);
11943 return PCI_ERS_RESULT_RECOVERED;
11947 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
11948 * @pdev: pointer to PCI device
11950 * This routine is called from the PCI subsystem for error handling to device
11951 * with SLI-3 interface spec. It is called when kernel error recovery tells
11952 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
11953 * error recovery. After this call, traffic can start to flow from this device
11957 lpfc_io_resume_s3(struct pci_dev *pdev)
11959 struct Scsi_Host *shost = pci_get_drvdata(pdev);
11960 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
11962 /* Bring device online, it will be no-op for non-fatal error resume */
11967 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
11968 * @phba: pointer to lpfc hba data structure.
11970 * returns the number of ELS/CT IOCBs to reserve
11973 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
11975 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
11977 if (phba->sli_rev == LPFC_SLI_REV4) {
11978 if (max_xri <= 100)
11980 else if (max_xri <= 256)
11982 else if (max_xri <= 512)
11984 else if (max_xri <= 1024)
11986 else if (max_xri <= 1536)
11988 else if (max_xri <= 2048)
11997 * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve
11998 * @phba: pointer to lpfc hba data structure.
12000 * returns the number of ELS/CT + NVMET IOCBs to reserve
12003 lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba)
12005 int max_xri = lpfc_sli4_get_els_iocb_cnt(phba);
12007 if (phba->nvmet_support)
12008 max_xri += LPFC_NVMET_BUF_POST;
12014 lpfc_log_write_firmware_error(struct lpfc_hba *phba, uint32_t offset,
12015 uint32_t magic_number, uint32_t ftype, uint32_t fid, uint32_t fsize,
12016 const struct firmware *fw)
12018 if ((offset == ADD_STATUS_FW_NOT_SUPPORTED) ||
12019 (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC &&
12020 magic_number != MAGIC_NUMER_G6) ||
12021 (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC &&
12022 magic_number != MAGIC_NUMER_G7))
12023 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12024 "3030 This firmware version is not supported on "
12025 "this HBA model. Device:%x Magic:%x Type:%x "
12026 "ID:%x Size %d %zd\n",
12027 phba->pcidev->device, magic_number, ftype, fid,
12030 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12031 "3022 FW Download failed. Device:%x Magic:%x Type:%x "
12032 "ID:%x Size %d %zd\n",
12033 phba->pcidev->device, magic_number, ftype, fid,
12039 * lpfc_write_firmware - attempt to write a firmware image to the port
12040 * @fw: pointer to firmware image returned from request_firmware.
12041 * @phba: pointer to lpfc hba data structure.
12045 lpfc_write_firmware(const struct firmware *fw, void *context)
12047 struct lpfc_hba *phba = (struct lpfc_hba *)context;
12048 char fwrev[FW_REV_STR_SIZE];
12049 struct lpfc_grp_hdr *image;
12050 struct list_head dma_buffer_list;
12052 struct lpfc_dmabuf *dmabuf, *next;
12053 uint32_t offset = 0, temp_offset = 0;
12054 uint32_t magic_number, ftype, fid, fsize;
12056 /* It can be null in no-wait mode, sanity check */
12061 image = (struct lpfc_grp_hdr *)fw->data;
12063 magic_number = be32_to_cpu(image->magic_number);
12064 ftype = bf_get_be32(lpfc_grp_hdr_file_type, image);
12065 fid = bf_get_be32(lpfc_grp_hdr_id, image);
12066 fsize = be32_to_cpu(image->size);
12068 INIT_LIST_HEAD(&dma_buffer_list);
12069 lpfc_decode_firmware_rev(phba, fwrev, 1);
12070 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
12071 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12072 "3023 Updating Firmware, Current Version:%s "
12073 "New Version:%s\n",
12074 fwrev, image->revision);
12075 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
12076 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
12082 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
12086 if (!dmabuf->virt) {
12091 list_add_tail(&dmabuf->list, &dma_buffer_list);
12093 while (offset < fw->size) {
12094 temp_offset = offset;
12095 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
12096 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
12097 memcpy(dmabuf->virt,
12098 fw->data + temp_offset,
12099 fw->size - temp_offset);
12100 temp_offset = fw->size;
12103 memcpy(dmabuf->virt, fw->data + temp_offset,
12105 temp_offset += SLI4_PAGE_SIZE;
12107 rc = lpfc_wr_object(phba, &dma_buffer_list,
12108 (fw->size - offset), &offset);
12110 lpfc_log_write_firmware_error(phba, offset,
12111 magic_number, ftype, fid, fsize, fw);
12117 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12118 "3029 Skipped Firmware update, Current "
12119 "Version:%s New Version:%s\n",
12120 fwrev, image->revision);
12123 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
12124 list_del(&dmabuf->list);
12125 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
12126 dmabuf->virt, dmabuf->phys);
12129 release_firmware(fw);
12131 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12132 "3024 Firmware update done: %d.\n", rc);
12137 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
12138 * @phba: pointer to lpfc hba data structure.
12140 * This routine is called to perform Linux generic firmware upgrade on device
12141 * that supports such feature.
12144 lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
12146 uint8_t file_name[ELX_MODEL_NAME_SIZE];
12148 const struct firmware *fw;
12150 /* Only supported on SLI4 interface type 2 for now */
12151 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
12152 LPFC_SLI_INTF_IF_TYPE_2)
12155 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
12157 if (fw_upgrade == INT_FW_UPGRADE) {
12158 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
12159 file_name, &phba->pcidev->dev,
12160 GFP_KERNEL, (void *)phba,
12161 lpfc_write_firmware);
12162 } else if (fw_upgrade == RUN_FW_UPGRADE) {
12163 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
12165 lpfc_write_firmware(fw, (void *)phba);
12174 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
12175 * @pdev: pointer to PCI device
12176 * @pid: pointer to PCI device identifier
12178 * This routine is called from the kernel's PCI subsystem to device with
12179 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
12180 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
12181 * information of the device and driver to see if the driver state that it
12182 * can support this kind of device. If the match is successful, the driver
12183 * core invokes this routine. If this routine determines it can claim the HBA,
12184 * it does all the initialization that it needs to do to handle the HBA
12188 * 0 - driver can claim the device
12189 * negative value - driver can not claim the device
12192 lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
12194 struct lpfc_hba *phba;
12195 struct lpfc_vport *vport = NULL;
12196 struct Scsi_Host *shost = NULL;
12198 uint32_t cfg_mode, intr_mode;
12200 /* Allocate memory for HBA structure */
12201 phba = lpfc_hba_alloc(pdev);
12205 /* Perform generic PCI device enabling operation */
12206 error = lpfc_enable_pci_dev(phba);
12208 goto out_free_phba;
12210 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
12211 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
12213 goto out_disable_pci_dev;
12215 /* Set up SLI-4 specific device PCI memory space */
12216 error = lpfc_sli4_pci_mem_setup(phba);
12218 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12219 "1410 Failed to set up pci memory space.\n");
12220 goto out_disable_pci_dev;
12223 /* Set up SLI-4 Specific device driver resources */
12224 error = lpfc_sli4_driver_resource_setup(phba);
12226 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12227 "1412 Failed to set up driver resource.\n");
12228 goto out_unset_pci_mem_s4;
12231 INIT_LIST_HEAD(&phba->active_rrq_list);
12232 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
12234 /* Set up common device driver resources */
12235 error = lpfc_setup_driver_resource_phase2(phba);
12237 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12238 "1414 Failed to set up driver resource.\n");
12239 goto out_unset_driver_resource_s4;
12242 /* Get the default values for Model Name and Description */
12243 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
12245 /* Now, trying to enable interrupt and bring up the device */
12246 cfg_mode = phba->cfg_use_msi;
12248 /* Put device to a known state before enabling interrupt */
12249 phba->pport = NULL;
12250 lpfc_stop_port(phba);
12252 /* Configure and enable interrupt */
12253 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
12254 if (intr_mode == LPFC_INTR_ERROR) {
12255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12256 "0426 Failed to enable interrupt.\n");
12258 goto out_unset_driver_resource;
12260 /* Default to single EQ for non-MSI-X */
12261 if (phba->intr_type != MSIX) {
12262 phba->cfg_irq_chann = 1;
12263 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
12264 if (phba->nvmet_support)
12265 phba->cfg_nvmet_mrq = 1;
12268 lpfc_cpu_affinity_check(phba, phba->cfg_irq_chann);
12270 /* Create SCSI host to the physical port */
12271 error = lpfc_create_shost(phba);
12273 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12274 "1415 Failed to create scsi host.\n");
12275 goto out_disable_intr;
12277 vport = phba->pport;
12278 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
12280 /* Configure sysfs attributes */
12281 error = lpfc_alloc_sysfs_attr(vport);
12283 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12284 "1416 Failed to allocate sysfs attr\n");
12285 goto out_destroy_shost;
12288 /* Set up SLI-4 HBA */
12289 if (lpfc_sli4_hba_setup(phba)) {
12290 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12291 "1421 Failed to set up hba\n");
12293 goto out_free_sysfs_attr;
12296 /* Log the current active interrupt mode */
12297 phba->intr_mode = intr_mode;
12298 lpfc_log_intr_mode(phba, intr_mode);
12300 /* Perform post initialization setup */
12301 lpfc_post_init_setup(phba);
12303 /* NVME support in FW earlier in the driver load corrects the
12304 * FC4 type making a check for nvme_support unnecessary.
12306 if (phba->nvmet_support == 0) {
12307 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
12308 /* Create NVME binding with nvme_fc_transport. This
12309 * ensures the vport is initialized. If the localport
12310 * create fails, it should not unload the driver to
12311 * support field issues.
12313 error = lpfc_nvme_create_localport(vport);
12315 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12316 "6004 NVME registration "
12317 "failed, error x%x\n",
12323 /* check for firmware upgrade or downgrade */
12324 if (phba->cfg_request_firmware_upgrade)
12325 lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
12327 /* Check if there are static vports to be created. */
12328 lpfc_create_static_vport(phba);
12330 /* Enable RAS FW log support */
12331 lpfc_sli4_ras_setup(phba);
12335 out_free_sysfs_attr:
12336 lpfc_free_sysfs_attr(vport);
12338 lpfc_destroy_shost(phba);
12340 lpfc_sli4_disable_intr(phba);
12341 out_unset_driver_resource:
12342 lpfc_unset_driver_resource_phase2(phba);
12343 out_unset_driver_resource_s4:
12344 lpfc_sli4_driver_resource_unset(phba);
12345 out_unset_pci_mem_s4:
12346 lpfc_sli4_pci_mem_unset(phba);
12347 out_disable_pci_dev:
12348 lpfc_disable_pci_dev(phba);
12350 scsi_host_put(shost);
12352 lpfc_hba_free(phba);
12357 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
12358 * @pdev: pointer to PCI device
12360 * This routine is called from the kernel's PCI subsystem to device with
12361 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
12362 * removed from PCI bus, it performs all the necessary cleanup for the HBA
12363 * device to be removed from the PCI subsystem properly.
12366 lpfc_pci_remove_one_s4(struct pci_dev *pdev)
12368 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12369 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
12370 struct lpfc_vport **vports;
12371 struct lpfc_hba *phba = vport->phba;
12374 /* Mark the device unloading flag */
12375 spin_lock_irq(&phba->hbalock);
12376 vport->load_flag |= FC_UNLOADING;
12377 spin_unlock_irq(&phba->hbalock);
12379 /* Free the HBA sysfs attributes */
12380 lpfc_free_sysfs_attr(vport);
12382 /* Release all the vports against this physical port */
12383 vports = lpfc_create_vport_work_array(phba);
12384 if (vports != NULL)
12385 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
12386 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
12388 fc_vport_terminate(vports[i]->fc_vport);
12390 lpfc_destroy_vport_work_array(phba, vports);
12392 /* Remove FC host and then SCSI host with the physical port */
12393 fc_remove_host(shost);
12394 scsi_remove_host(shost);
12396 /* Perform ndlp cleanup on the physical port. The nvme and nvmet
12397 * localports are destroyed after to cleanup all transport memory.
12399 lpfc_cleanup(vport);
12400 lpfc_nvmet_destroy_targetport(phba);
12401 lpfc_nvme_destroy_localport(vport);
12403 /* De-allocate multi-XRI pools */
12404 if (phba->cfg_xri_rebalancing)
12405 lpfc_destroy_multixri_pools(phba);
12408 * Bring down the SLI Layer. This step disables all interrupts,
12409 * clears the rings, discards all mailbox commands, and resets
12410 * the HBA FCoE function.
12412 lpfc_debugfs_terminate(vport);
12414 lpfc_stop_hba_timers(phba);
12415 spin_lock_irq(&phba->port_list_lock);
12416 list_del_init(&vport->listentry);
12417 spin_unlock_irq(&phba->port_list_lock);
12419 /* Perform scsi free before driver resource_unset since scsi
12420 * buffers are released to their corresponding pools here.
12422 lpfc_io_free(phba);
12423 lpfc_free_iocb_list(phba);
12424 lpfc_sli4_hba_unset(phba);
12426 lpfc_unset_driver_resource_phase2(phba);
12427 lpfc_sli4_driver_resource_unset(phba);
12429 /* Unmap adapter Control and Doorbell registers */
12430 lpfc_sli4_pci_mem_unset(phba);
12432 /* Release PCI resources and disable device's PCI function */
12433 scsi_host_put(shost);
12434 lpfc_disable_pci_dev(phba);
12436 /* Finally, free the driver's device data structure */
12437 lpfc_hba_free(phba);
12443 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
12444 * @pdev: pointer to PCI device
12445 * @msg: power management message
12447 * This routine is called from the kernel's PCI subsystem to support system
12448 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
12449 * this method, it quiesces the device by stopping the driver's worker
12450 * thread for the device, turning off device's interrupt and DMA, and bring
12451 * the device offline. Note that as the driver implements the minimum PM
12452 * requirements to a power-aware driver's PM support for suspend/resume -- all
12453 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
12454 * method call will be treated as SUSPEND and the driver will fully
12455 * reinitialize its device during resume() method call, the driver will set
12456 * device to PCI_D3hot state in PCI config space instead of setting it
12457 * according to the @msg provided by the PM.
12460 * 0 - driver suspended the device
12464 lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
12466 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12467 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12469 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
12470 "2843 PCI device Power Management suspend.\n");
12472 /* Bring down the device */
12473 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
12474 lpfc_offline(phba);
12475 kthread_stop(phba->worker_thread);
12477 /* Disable interrupt from device */
12478 lpfc_sli4_disable_intr(phba);
12479 lpfc_sli4_queue_destroy(phba);
12481 /* Save device state to PCI config space */
12482 pci_save_state(pdev);
12483 pci_set_power_state(pdev, PCI_D3hot);
12489 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
12490 * @pdev: pointer to PCI device
12492 * This routine is called from the kernel's PCI subsystem to support system
12493 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
12494 * this method, it restores the device's PCI config space state and fully
12495 * reinitializes the device and brings it online. Note that as the driver
12496 * implements the minimum PM requirements to a power-aware driver's PM for
12497 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
12498 * to the suspend() method call will be treated as SUSPEND and the driver
12499 * will fully reinitialize its device during resume() method call, the device
12500 * will be set to PCI_D0 directly in PCI config space before restoring the
12504 * 0 - driver suspended the device
12508 lpfc_pci_resume_one_s4(struct pci_dev *pdev)
12510 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12511 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12512 uint32_t intr_mode;
12515 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
12516 "0292 PCI device Power Management resume.\n");
12518 /* Restore device state from PCI config space */
12519 pci_set_power_state(pdev, PCI_D0);
12520 pci_restore_state(pdev);
12523 * As the new kernel behavior of pci_restore_state() API call clears
12524 * device saved_state flag, need to save the restored state again.
12526 pci_save_state(pdev);
12528 if (pdev->is_busmaster)
12529 pci_set_master(pdev);
12531 /* Startup the kernel thread for this host adapter. */
12532 phba->worker_thread = kthread_run(lpfc_do_work, phba,
12533 "lpfc_worker_%d", phba->brd_no);
12534 if (IS_ERR(phba->worker_thread)) {
12535 error = PTR_ERR(phba->worker_thread);
12536 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12537 "0293 PM resume failed to start worker "
12538 "thread: error=x%x.\n", error);
12542 /* Configure and enable interrupt */
12543 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
12544 if (intr_mode == LPFC_INTR_ERROR) {
12545 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12546 "0294 PM resume Failed to enable interrupt\n");
12549 phba->intr_mode = intr_mode;
12551 /* Restart HBA and bring it online */
12552 lpfc_sli_brdrestart(phba);
12555 /* Log the current active interrupt mode */
12556 lpfc_log_intr_mode(phba, phba->intr_mode);
12562 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
12563 * @phba: pointer to lpfc hba data structure.
12565 * This routine is called to prepare the SLI4 device for PCI slot recover. It
12566 * aborts all the outstanding SCSI I/Os to the pci device.
12569 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
12571 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12572 "2828 PCI channel I/O abort preparing for recovery\n");
12574 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
12575 * and let the SCSI mid-layer to retry them to recover.
12577 lpfc_sli_abort_fcp_rings(phba);
12581 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
12582 * @phba: pointer to lpfc hba data structure.
12584 * This routine is called to prepare the SLI4 device for PCI slot reset. It
12585 * disables the device interrupt and pci device, and aborts the internal FCP
12589 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
12591 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12592 "2826 PCI channel disable preparing for reset\n");
12594 /* Block any management I/Os to the device */
12595 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
12597 /* Block all SCSI devices' I/Os on the host */
12598 lpfc_scsi_dev_block(phba);
12600 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
12601 lpfc_sli_flush_fcp_rings(phba);
12603 /* Flush the outstanding NVME IOs if fc4 type enabled. */
12604 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
12605 lpfc_sli_flush_nvme_rings(phba);
12607 /* stop all timers */
12608 lpfc_stop_hba_timers(phba);
12610 /* Disable interrupt and pci device */
12611 lpfc_sli4_disable_intr(phba);
12612 lpfc_sli4_queue_destroy(phba);
12613 pci_disable_device(phba->pcidev);
12617 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
12618 * @phba: pointer to lpfc hba data structure.
12620 * This routine is called to prepare the SLI4 device for PCI slot permanently
12621 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
12625 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
12627 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12628 "2827 PCI channel permanent disable for failure\n");
12630 /* Block all SCSI devices' I/Os on the host */
12631 lpfc_scsi_dev_block(phba);
12633 /* stop all timers */
12634 lpfc_stop_hba_timers(phba);
12636 /* Clean up all driver's outstanding SCSI I/Os */
12637 lpfc_sli_flush_fcp_rings(phba);
12639 /* Flush the outstanding NVME IOs if fc4 type enabled. */
12640 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
12641 lpfc_sli_flush_nvme_rings(phba);
12645 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
12646 * @pdev: pointer to PCI device.
12647 * @state: the current PCI connection state.
12649 * This routine is called from the PCI subsystem for error handling to device
12650 * with SLI-4 interface spec. This function is called by the PCI subsystem
12651 * after a PCI bus error affecting this device has been detected. When this
12652 * function is invoked, it will need to stop all the I/Os and interrupt(s)
12653 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
12654 * for the PCI subsystem to perform proper recovery as desired.
12657 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
12658 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12660 static pci_ers_result_t
12661 lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
12663 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12664 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12667 case pci_channel_io_normal:
12668 /* Non-fatal error, prepare for recovery */
12669 lpfc_sli4_prep_dev_for_recover(phba);
12670 return PCI_ERS_RESULT_CAN_RECOVER;
12671 case pci_channel_io_frozen:
12672 /* Fatal error, prepare for slot reset */
12673 lpfc_sli4_prep_dev_for_reset(phba);
12674 return PCI_ERS_RESULT_NEED_RESET;
12675 case pci_channel_io_perm_failure:
12676 /* Permanent failure, prepare for device down */
12677 lpfc_sli4_prep_dev_for_perm_failure(phba);
12678 return PCI_ERS_RESULT_DISCONNECT;
12680 /* Unknown state, prepare and request slot reset */
12681 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12682 "2825 Unknown PCI error state: x%x\n", state);
12683 lpfc_sli4_prep_dev_for_reset(phba);
12684 return PCI_ERS_RESULT_NEED_RESET;
12689 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
12690 * @pdev: pointer to PCI device.
12692 * This routine is called from the PCI subsystem for error handling to device
12693 * with SLI-4 interface spec. It is called after PCI bus has been reset to
12694 * restart the PCI card from scratch, as if from a cold-boot. During the
12695 * PCI subsystem error recovery, after the driver returns
12696 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
12697 * recovery and then call this routine before calling the .resume method to
12698 * recover the device. This function will initialize the HBA device, enable
12699 * the interrupt, but it will just put the HBA to offline state without
12700 * passing any I/O traffic.
12703 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
12704 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12706 static pci_ers_result_t
12707 lpfc_io_slot_reset_s4(struct pci_dev *pdev)
12709 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12710 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12711 struct lpfc_sli *psli = &phba->sli;
12712 uint32_t intr_mode;
12714 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
12715 if (pci_enable_device_mem(pdev)) {
12716 printk(KERN_ERR "lpfc: Cannot re-enable "
12717 "PCI device after reset.\n");
12718 return PCI_ERS_RESULT_DISCONNECT;
12721 pci_restore_state(pdev);
12724 * As the new kernel behavior of pci_restore_state() API call clears
12725 * device saved_state flag, need to save the restored state again.
12727 pci_save_state(pdev);
12729 if (pdev->is_busmaster)
12730 pci_set_master(pdev);
12732 spin_lock_irq(&phba->hbalock);
12733 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
12734 spin_unlock_irq(&phba->hbalock);
12736 /* Configure and enable interrupt */
12737 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
12738 if (intr_mode == LPFC_INTR_ERROR) {
12739 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12740 "2824 Cannot re-enable interrupt after "
12742 return PCI_ERS_RESULT_DISCONNECT;
12744 phba->intr_mode = intr_mode;
12746 /* Log the current active interrupt mode */
12747 lpfc_log_intr_mode(phba, phba->intr_mode);
12749 return PCI_ERS_RESULT_RECOVERED;
12753 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
12754 * @pdev: pointer to PCI device
12756 * This routine is called from the PCI subsystem for error handling to device
12757 * with SLI-4 interface spec. It is called when kernel error recovery tells
12758 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
12759 * error recovery. After this call, traffic can start to flow from this device
12763 lpfc_io_resume_s4(struct pci_dev *pdev)
12765 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12766 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12769 * In case of slot reset, as function reset is performed through
12770 * mailbox command which needs DMA to be enabled, this operation
12771 * has to be moved to the io resume phase. Taking device offline
12772 * will perform the necessary cleanup.
12774 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
12775 /* Perform device reset */
12776 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
12777 lpfc_offline(phba);
12778 lpfc_sli_brdrestart(phba);
12779 /* Bring the device back online */
12785 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
12786 * @pdev: pointer to PCI device
12787 * @pid: pointer to PCI device identifier
12789 * This routine is to be registered to the kernel's PCI subsystem. When an
12790 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
12791 * at PCI device-specific information of the device and driver to see if the
12792 * driver state that it can support this kind of device. If the match is
12793 * successful, the driver core invokes this routine. This routine dispatches
12794 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
12795 * do all the initialization that it needs to do to handle the HBA device
12799 * 0 - driver can claim the device
12800 * negative value - driver can not claim the device
12803 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
12806 struct lpfc_sli_intf intf;
12808 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
12811 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
12812 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
12813 rc = lpfc_pci_probe_one_s4(pdev, pid);
12815 rc = lpfc_pci_probe_one_s3(pdev, pid);
12821 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
12822 * @pdev: pointer to PCI device
12824 * This routine is to be registered to the kernel's PCI subsystem. When an
12825 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
12826 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
12827 * remove routine, which will perform all the necessary cleanup for the
12828 * device to be removed from the PCI subsystem properly.
12831 lpfc_pci_remove_one(struct pci_dev *pdev)
12833 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12834 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12836 switch (phba->pci_dev_grp) {
12837 case LPFC_PCI_DEV_LP:
12838 lpfc_pci_remove_one_s3(pdev);
12840 case LPFC_PCI_DEV_OC:
12841 lpfc_pci_remove_one_s4(pdev);
12844 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12845 "1424 Invalid PCI device group: 0x%x\n",
12846 phba->pci_dev_grp);
12853 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
12854 * @pdev: pointer to PCI device
12855 * @msg: power management message
12857 * This routine is to be registered to the kernel's PCI subsystem to support
12858 * system Power Management (PM). When PM invokes this method, it dispatches
12859 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
12860 * suspend the device.
12863 * 0 - driver suspended the device
12867 lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
12869 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12870 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12873 switch (phba->pci_dev_grp) {
12874 case LPFC_PCI_DEV_LP:
12875 rc = lpfc_pci_suspend_one_s3(pdev, msg);
12877 case LPFC_PCI_DEV_OC:
12878 rc = lpfc_pci_suspend_one_s4(pdev, msg);
12881 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12882 "1425 Invalid PCI device group: 0x%x\n",
12883 phba->pci_dev_grp);
12890 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
12891 * @pdev: pointer to PCI device
12893 * This routine is to be registered to the kernel's PCI subsystem to support
12894 * system Power Management (PM). When PM invokes this method, it dispatches
12895 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
12896 * resume the device.
12899 * 0 - driver suspended the device
12903 lpfc_pci_resume_one(struct pci_dev *pdev)
12905 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12906 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12909 switch (phba->pci_dev_grp) {
12910 case LPFC_PCI_DEV_LP:
12911 rc = lpfc_pci_resume_one_s3(pdev);
12913 case LPFC_PCI_DEV_OC:
12914 rc = lpfc_pci_resume_one_s4(pdev);
12917 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12918 "1426 Invalid PCI device group: 0x%x\n",
12919 phba->pci_dev_grp);
12926 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
12927 * @pdev: pointer to PCI device.
12928 * @state: the current PCI connection state.
12930 * This routine is registered to the PCI subsystem for error handling. This
12931 * function is called by the PCI subsystem after a PCI bus error affecting
12932 * this device has been detected. When this routine is invoked, it dispatches
12933 * the action to the proper SLI-3 or SLI-4 device error detected handling
12934 * routine, which will perform the proper error detected operation.
12937 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
12938 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12940 static pci_ers_result_t
12941 lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
12943 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12944 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12945 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
12947 switch (phba->pci_dev_grp) {
12948 case LPFC_PCI_DEV_LP:
12949 rc = lpfc_io_error_detected_s3(pdev, state);
12951 case LPFC_PCI_DEV_OC:
12952 rc = lpfc_io_error_detected_s4(pdev, state);
12955 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12956 "1427 Invalid PCI device group: 0x%x\n",
12957 phba->pci_dev_grp);
12964 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
12965 * @pdev: pointer to PCI device.
12967 * This routine is registered to the PCI subsystem for error handling. This
12968 * function is called after PCI bus has been reset to restart the PCI card
12969 * from scratch, as if from a cold-boot. When this routine is invoked, it
12970 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
12971 * routine, which will perform the proper device reset.
12974 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
12975 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12977 static pci_ers_result_t
12978 lpfc_io_slot_reset(struct pci_dev *pdev)
12980 struct Scsi_Host *shost = pci_get_drvdata(pdev);
12981 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
12982 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
12984 switch (phba->pci_dev_grp) {
12985 case LPFC_PCI_DEV_LP:
12986 rc = lpfc_io_slot_reset_s3(pdev);
12988 case LPFC_PCI_DEV_OC:
12989 rc = lpfc_io_slot_reset_s4(pdev);
12992 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
12993 "1428 Invalid PCI device group: 0x%x\n",
12994 phba->pci_dev_grp);
13001 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
13002 * @pdev: pointer to PCI device
13004 * This routine is registered to the PCI subsystem for error handling. It
13005 * is called when kernel error recovery tells the lpfc driver that it is
13006 * OK to resume normal PCI operation after PCI bus error recovery. When
13007 * this routine is invoked, it dispatches the action to the proper SLI-3
13008 * or SLI-4 device io_resume routine, which will resume the device operation.
13011 lpfc_io_resume(struct pci_dev *pdev)
13013 struct Scsi_Host *shost = pci_get_drvdata(pdev);
13014 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
13016 switch (phba->pci_dev_grp) {
13017 case LPFC_PCI_DEV_LP:
13018 lpfc_io_resume_s3(pdev);
13020 case LPFC_PCI_DEV_OC:
13021 lpfc_io_resume_s4(pdev);
13024 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
13025 "1429 Invalid PCI device group: 0x%x\n",
13026 phba->pci_dev_grp);
13033 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
13034 * @phba: pointer to lpfc hba data structure.
13036 * This routine checks to see if OAS is supported for this adapter. If
13037 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
13038 * the enable oas flag is cleared and the pool created for OAS device data
13043 lpfc_sli4_oas_verify(struct lpfc_hba *phba)
13046 if (!phba->cfg_EnableXLane)
13049 if (phba->sli4_hba.pc_sli4_params.oas_supported) {
13053 if (phba->device_data_mem_pool)
13054 mempool_destroy(phba->device_data_mem_pool);
13055 phba->device_data_mem_pool = NULL;
13062 * lpfc_sli4_ras_init - Verify RAS-FW log is supported by this adapter
13063 * @phba: pointer to lpfc hba data structure.
13065 * This routine checks to see if RAS is supported by the adapter. Check the
13066 * function through which RAS support enablement is to be done.
13069 lpfc_sli4_ras_init(struct lpfc_hba *phba)
13071 switch (phba->pcidev->device) {
13072 case PCI_DEVICE_ID_LANCER_G6_FC:
13073 case PCI_DEVICE_ID_LANCER_G7_FC:
13074 phba->ras_fwlog.ras_hwsupport = true;
13075 if (phba->cfg_ras_fwlog_func == PCI_FUNC(phba->pcidev->devfn) &&
13076 phba->cfg_ras_fwlog_buffsize)
13077 phba->ras_fwlog.ras_enabled = true;
13079 phba->ras_fwlog.ras_enabled = false;
13082 phba->ras_fwlog.ras_hwsupport = false;
13087 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
13089 static const struct pci_error_handlers lpfc_err_handler = {
13090 .error_detected = lpfc_io_error_detected,
13091 .slot_reset = lpfc_io_slot_reset,
13092 .resume = lpfc_io_resume,
13095 static struct pci_driver lpfc_driver = {
13096 .name = LPFC_DRIVER_NAME,
13097 .id_table = lpfc_id_table,
13098 .probe = lpfc_pci_probe_one,
13099 .remove = lpfc_pci_remove_one,
13100 .shutdown = lpfc_pci_remove_one,
13101 .suspend = lpfc_pci_suspend_one,
13102 .resume = lpfc_pci_resume_one,
13103 .err_handler = &lpfc_err_handler,
13106 static const struct file_operations lpfc_mgmt_fop = {
13107 .owner = THIS_MODULE,
13110 static struct miscdevice lpfc_mgmt_dev = {
13111 .minor = MISC_DYNAMIC_MINOR,
13112 .name = "lpfcmgmt",
13113 .fops = &lpfc_mgmt_fop,
13117 * lpfc_init - lpfc module initialization routine
13119 * This routine is to be invoked when the lpfc module is loaded into the
13120 * kernel. The special kernel macro module_init() is used to indicate the
13121 * role of this routine to the kernel as lpfc module entry point.
13125 * -ENOMEM - FC attach transport failed
13126 * all others - failed
13133 printk(LPFC_MODULE_DESC "\n");
13134 printk(LPFC_COPYRIGHT "\n");
13136 error = misc_register(&lpfc_mgmt_dev);
13138 printk(KERN_ERR "Could not register lpfcmgmt device, "
13139 "misc_register returned with status %d", error);
13141 lpfc_transport_functions.vport_create = lpfc_vport_create;
13142 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
13143 lpfc_transport_template =
13144 fc_attach_transport(&lpfc_transport_functions);
13145 if (lpfc_transport_template == NULL)
13147 lpfc_vport_transport_template =
13148 fc_attach_transport(&lpfc_vport_transport_functions);
13149 if (lpfc_vport_transport_template == NULL) {
13150 fc_release_transport(lpfc_transport_template);
13153 lpfc_nvme_cmd_template();
13154 lpfc_nvmet_cmd_template();
13156 /* Initialize in case vector mapping is needed */
13157 lpfc_present_cpu = num_present_cpus();
13159 error = pci_register_driver(&lpfc_driver);
13161 fc_release_transport(lpfc_transport_template);
13162 fc_release_transport(lpfc_vport_transport_template);
13169 * lpfc_exit - lpfc module removal routine
13171 * This routine is invoked when the lpfc module is removed from the kernel.
13172 * The special kernel macro module_exit() is used to indicate the role of
13173 * this routine to the kernel as lpfc module exit point.
13178 misc_deregister(&lpfc_mgmt_dev);
13179 pci_unregister_driver(&lpfc_driver);
13180 fc_release_transport(lpfc_transport_template);
13181 fc_release_transport(lpfc_vport_transport_template);
13182 if (_dump_buf_data) {
13183 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
13184 "_dump_buf_data at 0x%p\n",
13185 (1L << _dump_buf_data_order), _dump_buf_data);
13186 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
13189 if (_dump_buf_dif) {
13190 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
13191 "_dump_buf_dif at 0x%p\n",
13192 (1L << _dump_buf_dif_order), _dump_buf_dif);
13193 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
13195 idr_destroy(&lpfc_hba_index);
13198 module_init(lpfc_init);
13199 module_exit(lpfc_exit);
13200 MODULE_LICENSE("GPL");
13201 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
13202 MODULE_AUTHOR("Broadcom");
13203 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);