2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
8 #include "qla_target.h"
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/t10-pi.h>
13 #include <scsi/scsi_tcq.h>
14 #include <scsi/scsi_bsg_fc.h>
15 #include <scsi/scsi_eh.h>
17 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
18 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
19 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
20 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
26 * @dev_id: SCSI driver HA context
28 * Called by system whenever the host adapter generates an interrupt.
30 * Returns handled flag.
33 qla2100_intr_handler(int irq, void *dev_id)
36 struct qla_hw_data *ha;
37 struct device_reg_2xxx __iomem *reg;
45 rsp = (struct rsp_que *) dev_id;
47 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
53 reg = &ha->iobase->isp;
56 spin_lock_irqsave(&ha->hardware_lock, flags);
57 vha = pci_get_drvdata(ha->pdev);
58 for (iter = 50; iter--; ) {
59 hccr = RD_REG_WORD(®->hccr);
60 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
62 if (hccr & HCCR_RISC_PAUSE) {
63 if (pci_channel_offline(ha->pdev))
67 * Issue a "HARD" reset in order for the RISC interrupt
68 * bit to be cleared. Schedule a big hammer to get
69 * out of the RISC PAUSED state.
71 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
72 RD_REG_WORD(®->hccr);
74 ha->isp_ops->fw_dump(vha, 1);
75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
77 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
80 if (RD_REG_WORD(®->semaphore) & BIT_0) {
81 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
82 RD_REG_WORD(®->hccr);
84 /* Get mailbox data. */
85 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
86 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
87 qla2x00_mbx_completion(vha, mb[0]);
88 status |= MBX_INTERRUPT;
89 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
90 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
91 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
92 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
93 qla2x00_async_event(vha, rsp, mb);
96 ql_dbg(ql_dbg_async, vha, 0x5025,
97 "Unrecognized interrupt type (%d).\n",
100 /* Release mailbox registers. */
101 WRT_REG_WORD(®->semaphore, 0);
102 RD_REG_WORD(®->semaphore);
104 qla2x00_process_response_queue(rsp);
106 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
107 RD_REG_WORD(®->hccr);
110 qla2x00_handle_mbx_completion(ha, status);
111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
113 return (IRQ_HANDLED);
117 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
119 /* Check for PCI disconnection */
120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
125 * Schedule this (only once) on the default system
126 * workqueue so that all the adapter workqueues and the
127 * DPC thread can be shutdown cleanly.
129 schedule_work(&vha->hw->board_disable);
137 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
145 * @dev_id: SCSI driver HA context
147 * Called by system whenever the host adapter generates an interrupt.
149 * Returns handled flag.
152 qla2300_intr_handler(int irq, void *dev_id)
154 scsi_qla_host_t *vha;
155 struct device_reg_2xxx __iomem *reg;
162 struct qla_hw_data *ha;
165 rsp = (struct rsp_que *) dev_id;
167 ql_log(ql_log_info, NULL, 0x5058,
168 "%s: NULL response queue pointer.\n", __func__);
173 reg = &ha->iobase->isp;
176 spin_lock_irqsave(&ha->hardware_lock, flags);
177 vha = pci_get_drvdata(ha->pdev);
178 for (iter = 50; iter--; ) {
179 stat = RD_REG_DWORD(®->u.isp2300.host_status);
180 if (qla2x00_check_reg32_for_disconnect(vha, stat))
182 if (stat & HSR_RISC_PAUSED) {
183 if (unlikely(pci_channel_offline(ha->pdev)))
186 hccr = RD_REG_WORD(®->hccr);
188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
189 ql_log(ql_log_warn, vha, 0x5026,
190 "Parity error -- HCCR=%x, Dumping "
191 "firmware.\n", hccr);
193 ql_log(ql_log_warn, vha, 0x5027,
194 "RISC paused -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
198 * Issue a "HARD" reset in order for the RISC
199 * interrupt bit to be cleared. Schedule a big
200 * hammer to get out of the RISC PAUSED state.
202 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
203 RD_REG_WORD(®->hccr);
205 ha->isp_ops->fw_dump(vha, 1);
206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
208 } else if ((stat & HSR_RISC_INT) == 0)
211 switch (stat & 0xff) {
216 qla2x00_mbx_completion(vha, MSW(stat));
217 status |= MBX_INTERRUPT;
219 /* Release mailbox registers. */
220 WRT_REG_WORD(®->semaphore, 0);
224 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
225 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
226 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
227 qla2x00_async_event(vha, rsp, mb);
230 qla2x00_process_response_queue(rsp);
233 mb[0] = MBA_CMPLT_1_16BIT;
235 qla2x00_async_event(vha, rsp, mb);
238 mb[0] = MBA_SCSI_COMPLETION;
240 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
241 qla2x00_async_event(vha, rsp, mb);
244 ql_dbg(ql_dbg_async, vha, 0x5028,
245 "Unrecognized interrupt type (%d).\n", stat & 0xff);
248 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
249 RD_REG_WORD_RELAXED(®->hccr);
251 qla2x00_handle_mbx_completion(ha, status);
252 spin_unlock_irqrestore(&ha->hardware_lock, flags);
254 return (IRQ_HANDLED);
258 * qla2x00_mbx_completion() - Process mailbox command completions.
259 * @ha: SCSI driver HA context
260 * @mb0: Mailbox0 register
263 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
267 uint16_t __iomem *wptr;
268 struct qla_hw_data *ha = vha->hw;
269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
271 /* Read all mbox registers? */
272 mboxes = (1 << ha->mbx_count) - 1;
274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
276 mboxes = ha->mcp->in_mb;
278 /* Load return mailbox registers. */
279 ha->flags.mbox_int = 1;
280 ha->mailbox_out[0] = mb0;
282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
284 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
285 if (IS_QLA2200(ha) && cnt == 8)
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
289 else if (mboxes & BIT_0)
290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
298 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
300 static char *event[] =
301 { "Complete", "Request Notification", "Time Extension" };
303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
305 uint16_t __iomem *wptr;
306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
308 /* Seed data -- mailbox1 -> mailbox7. */
309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
310 wptr = (uint16_t __iomem *)®24->mailbox1;
311 else if (IS_QLA8044(vha->hw))
312 wptr = (uint16_t __iomem *)®82->mailbox_out[1];
316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
317 mb[cnt] = RD_REG_WORD(wptr);
319 ql_dbg(ql_dbg_async, vha, 0x5021,
320 "Inter-Driver Communication %s -- "
321 "%04x %04x %04x %04x %04x %04x %04x.\n",
322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
323 mb[4], mb[5], mb[6]);
325 /* Handle IDC Error completion case. */
326 case MBA_IDC_COMPLETE:
328 vha->hw->flags.idc_compl_status = 1;
329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
330 complete(&vha->hw->dcbx_comp);
335 /* Acknowledgement needed? [Notify && non-zero timeout]. */
336 timeout = (descr >> 8) & 0xf;
337 ql_dbg(ql_dbg_async, vha, 0x5022,
338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
339 vha->host_no, event[aen & 0xff], timeout);
343 rval = qla2x00_post_idc_ack_work(vha, mb);
344 if (rval != QLA_SUCCESS)
345 ql_log(ql_log_warn, vha, 0x5023,
346 "IDC failed to post ACK.\n");
348 case MBA_IDC_TIME_EXT:
349 vha->hw->idc_extend_tmo = descr;
350 ql_dbg(ql_dbg_async, vha, 0x5087,
351 "%lu Inter-Driver Communication %s -- "
352 "Extend timeout by=%d.\n",
353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
360 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
362 static const char *const link_speeds[] = {
363 "1", "2", "?", "4", "8", "16", "32", "10"
365 #define QLA_LAST_SPEED 7
367 if (IS_QLA2100(ha) || IS_QLA2200(ha))
368 return link_speeds[0];
369 else if (speed == 0x13)
370 return link_speeds[QLA_LAST_SPEED];
371 else if (speed < QLA_LAST_SPEED)
372 return link_speeds[speed];
374 return link_speeds[LS_UNKNOWN];
378 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
380 struct qla_hw_data *ha = vha->hw;
383 * 8200 AEN Interpretation:
385 * mb[1] = AEN Reason code
386 * mb[2] = LSW of Peg-Halt Status-1 Register
387 * mb[6] = MSW of Peg-Halt Status-1 Register
388 * mb[3] = LSW of Peg-Halt Status-2 register
389 * mb[7] = MSW of Peg-Halt Status-2 register
390 * mb[4] = IDC Device-State Register value
391 * mb[5] = IDC Driver-Presence Register value
393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
395 mb[0], mb[1], mb[2], mb[6]);
396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
401 IDC_HEARTBEAT_FAILURE)) {
402 ha->flags.nic_core_hung = 1;
403 ql_log(ql_log_warn, vha, 0x5060,
404 "83XX: F/W Error Reported: Check if reset required.\n");
406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
407 uint32_t protocol_engine_id, fw_err_code, err_level;
410 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
411 * - PEG-Halt Status-1 Register:
412 * (LSW = mb[2], MSW = mb[6])
413 * Bits 0-7 = protocol-engine ID
414 * Bits 8-28 = f/w error code
415 * Bits 29-31 = Error-level
416 * Error-level 0x1 = Non-Fatal error
417 * Error-level 0x2 = Recoverable Fatal error
418 * Error-level 0x4 = UnRecoverable Fatal error
419 * - PEG-Halt Status-2 Register:
420 * (LSW = mb[3], MSW = mb[7])
422 protocol_engine_id = (mb[2] & 0xff);
423 fw_err_code = (((mb[2] & 0xff00) >> 8) |
424 ((mb[6] & 0x1fff) << 8));
425 err_level = ((mb[6] & 0xe000) >> 13);
426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
427 "Register: protocol_engine_id=0x%x "
428 "fw_err_code=0x%x err_level=0x%x.\n",
429 protocol_engine_id, fw_err_code, err_level);
430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
431 "Register: 0x%x%x.\n", mb[7], mb[3]);
432 if (err_level == ERR_LEVEL_NON_FATAL) {
433 ql_log(ql_log_warn, vha, 0x5063,
434 "Not a fatal error, f/w has recovered "
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
533 if (ha->flags.nic_core_reset_owner)
535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
540 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
542 struct qla_hw_data *ha = vha->hw;
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
564 static inline fc_port_t *
565 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569 list_for_each_entry(fcport, &vha->vp_fcports, list)
570 if (fcport->loop_id == loop_id)
576 * qla2x00_async_event() - Process aynchronous events.
577 * @ha: SCSI driver HA context
578 * @mb: Mailbox registers (0 - 3)
581 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
586 struct qla_hw_data *ha = vha->hw;
587 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
588 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
589 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
590 uint32_t rscn_entry, host_pid;
592 fc_port_t *fcport = NULL;
594 /* Setup to process RIO completion. */
596 if (IS_CNA_CAPABLE(ha))
599 case MBA_SCSI_COMPLETION:
600 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
603 case MBA_CMPLT_1_16BIT:
606 mb[0] = MBA_SCSI_COMPLETION;
608 case MBA_CMPLT_2_16BIT:
612 mb[0] = MBA_SCSI_COMPLETION;
614 case MBA_CMPLT_3_16BIT:
619 mb[0] = MBA_SCSI_COMPLETION;
621 case MBA_CMPLT_4_16BIT:
625 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
627 mb[0] = MBA_SCSI_COMPLETION;
629 case MBA_CMPLT_5_16BIT:
633 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
634 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
636 mb[0] = MBA_SCSI_COMPLETION;
638 case MBA_CMPLT_2_32BIT:
639 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
640 handles[1] = le32_to_cpu(
641 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
642 RD_MAILBOX_REG(ha, reg, 6));
644 mb[0] = MBA_SCSI_COMPLETION;
651 case MBA_SCSI_COMPLETION: /* Fast Post */
652 if (!vha->flags.online)
655 for (cnt = 0; cnt < handle_cnt; cnt++)
656 qla2x00_process_completed_request(vha, rsp->req,
660 case MBA_RESET: /* Reset */
661 ql_dbg(ql_dbg_async, vha, 0x5002,
662 "Asynchronous RESET.\n");
664 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
667 case MBA_SYSTEM_ERR: /* System Error */
668 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
669 RD_REG_WORD(®24->mailbox7) : 0;
670 ql_log(ql_log_warn, vha, 0x5003,
671 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
672 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
674 ha->isp_ops->fw_dump(vha, 1);
676 if (IS_FWI2_CAPABLE(ha)) {
677 if (mb[1] == 0 && mb[2] == 0) {
678 ql_log(ql_log_fatal, vha, 0x5004,
679 "Unrecoverable Hardware Error: adapter "
680 "marked OFFLINE!\n");
681 vha->flags.online = 0;
682 vha->device_flags |= DFLG_DEV_FAILED;
684 /* Check to see if MPI timeout occurred */
685 if ((mbx & MBX_3) && (ha->port_no == 0))
686 set_bit(MPI_RESET_NEEDED,
689 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
691 } else if (mb[1] == 0) {
692 ql_log(ql_log_fatal, vha, 0x5005,
693 "Unrecoverable Hardware Error: adapter marked "
695 vha->flags.online = 0;
696 vha->device_flags |= DFLG_DEV_FAILED;
698 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
701 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
702 ql_log(ql_log_warn, vha, 0x5006,
703 "ISP Request Transfer Error (%x).\n", mb[1]);
705 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
708 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
709 ql_log(ql_log_warn, vha, 0x5007,
710 "ISP Response Transfer Error (%x).\n", mb[1]);
712 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
715 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
716 ql_dbg(ql_dbg_async, vha, 0x5008,
717 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
720 case MBA_LOOP_INIT_ERR:
721 ql_log(ql_log_warn, vha, 0x5090,
722 "LOOP INIT ERROR (%x).\n", mb[1]);
723 ha->isp_ops->fw_dump(vha, 1);
724 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
727 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
728 ql_dbg(ql_dbg_async, vha, 0x5009,
729 "LIP occurred (%x).\n", mb[1]);
731 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
732 atomic_set(&vha->loop_state, LOOP_DOWN);
733 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
734 qla2x00_mark_all_devices_lost(vha, 1);
738 atomic_set(&vha->vp_state, VP_FAILED);
739 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
742 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
743 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
745 vha->flags.management_server_logged_in = 0;
746 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
749 case MBA_LOOP_UP: /* Loop Up Event */
750 if (IS_QLA2100(ha) || IS_QLA2200(ha))
751 ha->link_data_rate = PORT_SPEED_1GB;
753 ha->link_data_rate = mb[1];
755 ql_log(ql_log_info, vha, 0x500a,
756 "LOOP UP detected (%s Gbps).\n",
757 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
759 vha->flags.management_server_logged_in = 0;
760 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
763 case MBA_LOOP_DOWN: /* Loop Down Event */
764 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
765 ? RD_REG_WORD(®24->mailbox4) : 0;
766 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4])
768 ql_log(ql_log_info, vha, 0x500b,
769 "LOOP DOWN detected (%x %x %x %x).\n",
770 mb[1], mb[2], mb[3], mbx);
772 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
773 atomic_set(&vha->loop_state, LOOP_DOWN);
774 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
776 * In case of loop down, restore WWPN from
777 * NVRAM in case of FA-WWPN capable ISP
778 * Restore for Physical Port only
781 if (ha->flags.fawwpn_enabled) {
782 void *wwpn = ha->init_cb->port_name;
783 memcpy(vha->port_name, wwpn, WWN_SIZE);
784 fc_host_port_name(vha->host) =
785 wwn_to_u64(vha->port_name);
786 ql_dbg(ql_dbg_init + ql_dbg_verbose,
787 vha, 0x0144, "LOOP DOWN detected,"
788 "restore WWPN %016llx\n",
789 wwn_to_u64(vha->port_name));
792 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
795 vha->device_flags |= DFLG_NO_CABLE;
796 qla2x00_mark_all_devices_lost(vha, 1);
800 atomic_set(&vha->vp_state, VP_FAILED);
801 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
804 vha->flags.management_server_logged_in = 0;
805 ha->link_data_rate = PORT_SPEED_UNKNOWN;
806 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
809 case MBA_LIP_RESET: /* LIP reset occurred */
810 ql_dbg(ql_dbg_async, vha, 0x500c,
811 "LIP reset occurred (%x).\n", mb[1]);
813 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
814 atomic_set(&vha->loop_state, LOOP_DOWN);
815 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
816 qla2x00_mark_all_devices_lost(vha, 1);
820 atomic_set(&vha->vp_state, VP_FAILED);
821 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
824 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
826 ha->operating_mode = LOOP;
827 vha->flags.management_server_logged_in = 0;
828 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
831 /* case MBA_DCBX_COMPLETE: */
832 case MBA_POINT_TO_POINT: /* Point-to-Point */
836 if (IS_CNA_CAPABLE(ha)) {
837 ql_dbg(ql_dbg_async, vha, 0x500d,
838 "DCBX Completed -- %04x %04x %04x.\n",
839 mb[1], mb[2], mb[3]);
840 if (ha->notify_dcbx_comp && !vha->vp_idx)
841 complete(&ha->dcbx_comp);
844 ql_dbg(ql_dbg_async, vha, 0x500e,
845 "Asynchronous P2P MODE received.\n");
848 * Until there's a transition from loop down to loop up, treat
849 * this as loop down only.
851 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
852 atomic_set(&vha->loop_state, LOOP_DOWN);
853 if (!atomic_read(&vha->loop_down_timer))
854 atomic_set(&vha->loop_down_timer,
856 qla2x00_mark_all_devices_lost(vha, 1);
860 atomic_set(&vha->vp_state, VP_FAILED);
861 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
864 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
865 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
867 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
868 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
870 ha->flags.gpsc_supported = 1;
871 vha->flags.management_server_logged_in = 0;
874 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
878 ql_dbg(ql_dbg_async, vha, 0x500f,
879 "Configuration change detected: value=%x.\n", mb[1]);
881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
882 atomic_set(&vha->loop_state, LOOP_DOWN);
883 if (!atomic_read(&vha->loop_down_timer))
884 atomic_set(&vha->loop_down_timer,
886 qla2x00_mark_all_devices_lost(vha, 1);
890 atomic_set(&vha->vp_state, VP_FAILED);
891 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
894 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
895 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
898 case MBA_PORT_UPDATE: /* Port database update */
900 * Handle only global and vn-port update events
903 * mb[1] = N_Port handle of changed port
904 * OR 0xffff for global event
905 * mb[2] = New login state
906 * 7 = Port logged out
907 * mb[3] = LSB is vp_idx, 0xff = all vps
909 * Skip processing if:
910 * Event is global, vp_idx is NOT all vps,
911 * vp_idx does not match
912 * Event is not global, vp_idx does not match
914 if (IS_QLA2XXX_MIDTYPE(ha) &&
915 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
916 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
920 ql_dbg(ql_dbg_async, vha, 0x5010,
921 "Port %s %04x %04x %04x.\n",
922 mb[1] == 0xffff ? "unavailable" : "logout",
923 mb[1], mb[2], mb[3]);
926 goto global_port_update;
929 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
932 if (atomic_read(&fcport->state) != FCS_ONLINE)
934 ql_dbg(ql_dbg_async, vha, 0x508a,
935 "Marking port lost loopid=%04x portid=%06x.\n",
936 fcport->loop_id, fcport->d_id.b24);
937 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
941 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
942 atomic_set(&vha->loop_state, LOOP_DOWN);
943 atomic_set(&vha->loop_down_timer,
945 vha->device_flags |= DFLG_NO_CABLE;
946 qla2x00_mark_all_devices_lost(vha, 1);
950 atomic_set(&vha->vp_state, VP_FAILED);
951 fc_vport_set_state(vha->fc_vport,
953 qla2x00_mark_all_devices_lost(vha, 1);
956 vha->flags.management_server_logged_in = 0;
957 ha->link_data_rate = PORT_SPEED_UNKNOWN;
962 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
963 * event etc. earlier indicating loop is down) then process
964 * it. Otherwise ignore it and Wait for RSCN to come in.
966 atomic_set(&vha->loop_down_timer, 0);
967 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
968 atomic_read(&vha->loop_state) != LOOP_DEAD) {
969 ql_dbg(ql_dbg_async, vha, 0x5011,
970 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
971 mb[1], mb[2], mb[3]);
973 qlt_async_event(mb[0], vha, mb);
977 ql_dbg(ql_dbg_async, vha, 0x5012,
978 "Port database changed %04x %04x %04x.\n",
979 mb[1], mb[2], mb[3]);
982 * Mark all devices as missing so we will login again.
984 atomic_set(&vha->loop_state, LOOP_UP);
986 qla2x00_mark_all_devices_lost(vha, 1);
988 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
989 set_bit(SCR_PENDING, &vha->dpc_flags);
991 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
992 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
993 set_bit(VP_CONFIG_OK, &vha->vp_flags);
995 qlt_async_event(mb[0], vha, mb);
998 case MBA_RSCN_UPDATE: /* State Change Registration */
999 /* Check if the Vport has issued a SCR */
1000 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1002 /* Only handle SCNs for our Vport index. */
1003 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1006 ql_dbg(ql_dbg_async, vha, 0x5013,
1007 "RSCN database changed -- %04x %04x %04x.\n",
1008 mb[1], mb[2], mb[3]);
1010 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1011 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1012 | vha->d_id.b.al_pa;
1013 if (rscn_entry == host_pid) {
1014 ql_dbg(ql_dbg_async, vha, 0x5014,
1015 "Ignoring RSCN update to local host "
1016 "port ID (%06x).\n", host_pid);
1020 /* Ignore reserved bits from RSCN-payload. */
1021 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1023 /* Skip RSCNs for virtual ports on the same physical port */
1024 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1028 * Search for the rport related to this RSCN entry and mark it
1031 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1032 if (atomic_read(&fcport->state) != FCS_ONLINE)
1034 if (fcport->d_id.b24 == rscn_entry) {
1035 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1040 atomic_set(&vha->loop_down_timer, 0);
1041 vha->flags.management_server_logged_in = 0;
1043 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1044 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1045 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1048 /* case MBA_RIO_RESPONSE: */
1049 case MBA_ZIO_RESPONSE:
1050 ql_dbg(ql_dbg_async, vha, 0x5015,
1051 "[R|Z]IO update completion.\n");
1053 if (IS_FWI2_CAPABLE(ha))
1054 qla24xx_process_response_queue(vha, rsp);
1056 qla2x00_process_response_queue(rsp);
1059 case MBA_DISCARD_RND_FRAME:
1060 ql_dbg(ql_dbg_async, vha, 0x5016,
1061 "Discard RND Frame -- %04x %04x %04x.\n",
1062 mb[1], mb[2], mb[3]);
1065 case MBA_TRACE_NOTIFICATION:
1066 ql_dbg(ql_dbg_async, vha, 0x5017,
1067 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1070 case MBA_ISP84XX_ALERT:
1071 ql_dbg(ql_dbg_async, vha, 0x5018,
1072 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1073 mb[1], mb[2], mb[3]);
1075 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1077 case A84_PANIC_RECOVERY:
1078 ql_log(ql_log_info, vha, 0x5019,
1079 "Alert 84XX: panic recovery %04x %04x.\n",
1082 case A84_OP_LOGIN_COMPLETE:
1083 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1084 ql_log(ql_log_info, vha, 0x501a,
1085 "Alert 84XX: firmware version %x.\n",
1086 ha->cs84xx->op_fw_version);
1088 case A84_DIAG_LOGIN_COMPLETE:
1089 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1090 ql_log(ql_log_info, vha, 0x501b,
1091 "Alert 84XX: diagnostic firmware version %x.\n",
1092 ha->cs84xx->diag_fw_version);
1094 case A84_GOLD_LOGIN_COMPLETE:
1095 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1096 ha->cs84xx->fw_update = 1;
1097 ql_log(ql_log_info, vha, 0x501c,
1098 "Alert 84XX: gold firmware version %x.\n",
1099 ha->cs84xx->gold_fw_version);
1102 ql_log(ql_log_warn, vha, 0x501d,
1103 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1104 mb[1], mb[2], mb[3]);
1106 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1108 case MBA_DCBX_START:
1109 ql_dbg(ql_dbg_async, vha, 0x501e,
1110 "DCBX Started -- %04x %04x %04x.\n",
1111 mb[1], mb[2], mb[3]);
1113 case MBA_DCBX_PARAM_UPDATE:
1114 ql_dbg(ql_dbg_async, vha, 0x501f,
1115 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1116 mb[1], mb[2], mb[3]);
1118 case MBA_FCF_CONF_ERR:
1119 ql_dbg(ql_dbg_async, vha, 0x5020,
1120 "FCF Configuration Error -- %04x %04x %04x.\n",
1121 mb[1], mb[2], mb[3]);
1123 case MBA_IDC_NOTIFY:
1124 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1125 mb[4] = RD_REG_WORD(®24->mailbox4);
1126 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1127 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1128 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1129 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1131 * Extend loop down timer since port is active.
1133 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1134 atomic_set(&vha->loop_down_timer,
1136 qla2xxx_wake_dpc(vha);
1139 case MBA_IDC_COMPLETE:
1140 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1141 complete(&ha->lb_portup_comp);
1143 case MBA_IDC_TIME_EXT:
1144 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1146 qla81xx_idc_event(vha, mb[0], mb[1]);
1150 mb[4] = RD_REG_WORD(®24->mailbox4);
1151 mb[5] = RD_REG_WORD(®24->mailbox5);
1152 mb[6] = RD_REG_WORD(®24->mailbox6);
1153 mb[7] = RD_REG_WORD(®24->mailbox7);
1154 qla83xx_handle_8200_aen(vha, mb);
1157 case MBA_DPORT_DIAGNOSTICS:
1158 ql_dbg(ql_dbg_async, vha, 0x5052,
1159 "D-Port Diagnostics: %04x result=%s\n",
1161 mb[1] == 0 ? "start" :
1162 mb[1] == 1 ? "done (pass)" :
1163 mb[1] == 2 ? "done (error)" : "other");
1166 case MBA_TEMPERATURE_ALERT:
1167 ql_dbg(ql_dbg_async, vha, 0x505e,
1168 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1170 schedule_work(&ha->board_disable);
1174 ql_dbg(ql_dbg_async, vha, 0x5057,
1175 "Unknown AEN:%04x %04x %04x %04x\n",
1176 mb[0], mb[1], mb[2], mb[3]);
1179 qlt_async_event(mb[0], vha, mb);
1181 if (!vha->vp_idx && ha->num_vhosts)
1182 qla2x00_alert_all_vps(rsp, mb);
1186 * qla2x00_process_completed_request() - Process a Fast Post response.
1187 * @ha: SCSI driver HA context
1191 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1192 struct req_que *req, uint32_t index)
1195 struct qla_hw_data *ha = vha->hw;
1197 /* Validate handle. */
1198 if (index >= req->num_outstanding_cmds) {
1199 ql_log(ql_log_warn, vha, 0x3014,
1200 "Invalid SCSI command index (%x).\n", index);
1202 if (IS_P3P_TYPE(ha))
1203 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1205 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1209 sp = req->outstanding_cmds[index];
1211 /* Free outstanding command slot. */
1212 req->outstanding_cmds[index] = NULL;
1214 /* Save ISP completion status */
1215 sp->done(ha, sp, DID_OK << 16);
1217 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1219 if (IS_P3P_TYPE(ha))
1220 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1222 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1227 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1228 struct req_que *req, void *iocb)
1230 struct qla_hw_data *ha = vha->hw;
1231 sts_entry_t *pkt = iocb;
1235 index = LSW(pkt->handle);
1236 if (index >= req->num_outstanding_cmds) {
1237 ql_log(ql_log_warn, vha, 0x5031,
1238 "Invalid command index (%x).\n", index);
1239 if (IS_P3P_TYPE(ha))
1240 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1242 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1245 sp = req->outstanding_cmds[index];
1247 ql_log(ql_log_warn, vha, 0x5032,
1248 "Invalid completion handle (%x) -- timed-out.\n", index);
1251 if (sp->handle != index) {
1252 ql_log(ql_log_warn, vha, 0x5033,
1253 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1257 req->outstanding_cmds[index] = NULL;
1264 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1265 struct mbx_entry *mbx)
1267 const char func[] = "MBX-IOCB";
1271 struct srb_iocb *lio;
1275 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1279 lio = &sp->u.iocb_cmd;
1281 fcport = sp->fcport;
1282 data = lio->u.logio.data;
1284 data[0] = MBS_COMMAND_ERROR;
1285 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1286 QLA_LOGIO_LOGIN_RETRIED : 0;
1287 if (mbx->entry_status) {
1288 ql_dbg(ql_dbg_async, vha, 0x5043,
1289 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1290 "entry-status=%x status=%x state-flag=%x "
1291 "status-flags=%x.\n", type, sp->handle,
1292 fcport->d_id.b.domain, fcport->d_id.b.area,
1293 fcport->d_id.b.al_pa, mbx->entry_status,
1294 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1295 le16_to_cpu(mbx->status_flags));
1297 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1298 (uint8_t *)mbx, sizeof(*mbx));
1303 status = le16_to_cpu(mbx->status);
1304 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1305 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1307 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1308 ql_dbg(ql_dbg_async, vha, 0x5045,
1309 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1310 type, sp->handle, fcport->d_id.b.domain,
1311 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1312 le16_to_cpu(mbx->mb1));
1314 data[0] = MBS_COMMAND_COMPLETE;
1315 if (sp->type == SRB_LOGIN_CMD) {
1316 fcport->port_type = FCT_TARGET;
1317 if (le16_to_cpu(mbx->mb1) & BIT_0)
1318 fcport->port_type = FCT_INITIATOR;
1319 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1320 fcport->flags |= FCF_FCP2_DEVICE;
1325 data[0] = le16_to_cpu(mbx->mb0);
1327 case MBS_PORT_ID_USED:
1328 data[1] = le16_to_cpu(mbx->mb1);
1330 case MBS_LOOP_ID_USED:
1333 data[0] = MBS_COMMAND_ERROR;
1337 ql_log(ql_log_warn, vha, 0x5046,
1338 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1339 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1340 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1341 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1342 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1343 le16_to_cpu(mbx->mb7));
1346 sp->done(vha, sp, 0);
1350 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1351 sts_entry_t *pkt, int iocb_type)
1353 const char func[] = "CT_IOCB";
1356 struct bsg_job *bsg_job;
1357 struct fc_bsg_reply *bsg_reply;
1358 uint16_t comp_status;
1361 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1365 bsg_job = sp->u.bsg_job;
1366 bsg_reply = bsg_job->reply;
1368 type = "ct pass-through";
1370 comp_status = le16_to_cpu(pkt->comp_status);
1372 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1373 * fc payload to the caller
1375 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1376 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1378 if (comp_status != CS_COMPLETE) {
1379 if (comp_status == CS_DATA_UNDERRUN) {
1381 bsg_reply->reply_payload_rcv_len =
1382 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1384 ql_log(ql_log_warn, vha, 0x5048,
1385 "CT pass-through-%s error "
1386 "comp_status-status=0x%x total_byte = 0x%x.\n",
1388 bsg_reply->reply_payload_rcv_len);
1390 ql_log(ql_log_warn, vha, 0x5049,
1391 "CT pass-through-%s error "
1392 "comp_status-status=0x%x.\n", type, comp_status);
1393 res = DID_ERROR << 16;
1394 bsg_reply->reply_payload_rcv_len = 0;
1396 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1397 (uint8_t *)pkt, sizeof(*pkt));
1400 bsg_reply->reply_payload_rcv_len =
1401 bsg_job->reply_payload.payload_len;
1402 bsg_job->reply_len = 0;
1405 sp->done(vha, sp, res);
1409 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1410 struct sts_entry_24xx *pkt, int iocb_type)
1412 const char func[] = "ELS_CT_IOCB";
1415 struct bsg_job *bsg_job;
1416 struct fc_bsg_reply *bsg_reply;
1417 uint16_t comp_status;
1418 uint32_t fw_status[3];
1419 uint8_t* fw_sts_ptr;
1422 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1425 bsg_job = sp->u.bsg_job;
1426 bsg_reply = bsg_job->reply;
1430 case SRB_ELS_CMD_RPT:
1431 case SRB_ELS_CMD_HST:
1435 type = "ct pass-through";
1438 type = "Driver ELS logo";
1439 ql_dbg(ql_dbg_user, vha, 0x5047,
1440 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1441 sp->done(vha, sp, 0);
1444 ql_dbg(ql_dbg_user, vha, 0x503e,
1445 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1449 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1450 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1451 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1453 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1454 * fc payload to the caller
1456 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1457 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1459 if (comp_status != CS_COMPLETE) {
1460 if (comp_status == CS_DATA_UNDERRUN) {
1462 bsg_reply->reply_payload_rcv_len =
1463 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1465 ql_dbg(ql_dbg_user, vha, 0x503f,
1466 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1467 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1468 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1469 le16_to_cpu(((struct els_sts_entry_24xx *)
1470 pkt)->total_byte_count));
1471 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1472 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1475 ql_dbg(ql_dbg_user, vha, 0x5040,
1476 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1477 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1478 type, sp->handle, comp_status,
1479 le16_to_cpu(((struct els_sts_entry_24xx *)
1480 pkt)->error_subcode_1),
1481 le16_to_cpu(((struct els_sts_entry_24xx *)
1482 pkt)->error_subcode_2));
1483 res = DID_ERROR << 16;
1484 bsg_reply->reply_payload_rcv_len = 0;
1485 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1486 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1488 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1489 (uint8_t *)pkt, sizeof(*pkt));
1493 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1494 bsg_job->reply_len = 0;
1497 sp->done(vha, sp, res);
1501 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1502 struct logio_entry_24xx *logio)
1504 const char func[] = "LOGIO-IOCB";
1508 struct srb_iocb *lio;
1512 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1516 lio = &sp->u.iocb_cmd;
1518 fcport = sp->fcport;
1519 data = lio->u.logio.data;
1521 data[0] = MBS_COMMAND_ERROR;
1522 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1523 QLA_LOGIO_LOGIN_RETRIED : 0;
1524 if (logio->entry_status) {
1525 ql_log(ql_log_warn, fcport->vha, 0x5034,
1526 "Async-%s error entry - hdl=%x"
1527 "portid=%02x%02x%02x entry-status=%x.\n",
1528 type, sp->handle, fcport->d_id.b.domain,
1529 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1530 logio->entry_status);
1531 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1532 (uint8_t *)logio, sizeof(*logio));
1537 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1538 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1539 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1540 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1541 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1542 le32_to_cpu(logio->io_parameter[0]));
1544 data[0] = MBS_COMMAND_COMPLETE;
1545 if (sp->type != SRB_LOGIN_CMD)
1548 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1549 if (iop[0] & BIT_4) {
1550 fcport->port_type = FCT_TARGET;
1552 fcport->flags |= FCF_FCP2_DEVICE;
1553 } else if (iop[0] & BIT_5)
1554 fcport->port_type = FCT_INITIATOR;
1557 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1559 if (logio->io_parameter[7] || logio->io_parameter[8])
1560 fcport->supported_classes |= FC_COS_CLASS2;
1561 if (logio->io_parameter[9] || logio->io_parameter[10])
1562 fcport->supported_classes |= FC_COS_CLASS3;
1567 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1568 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1570 case LSC_SCODE_PORTID_USED:
1571 data[0] = MBS_PORT_ID_USED;
1572 data[1] = LSW(iop[1]);
1574 case LSC_SCODE_NPORT_USED:
1575 data[0] = MBS_LOOP_ID_USED;
1578 data[0] = MBS_COMMAND_ERROR;
1582 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1583 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1584 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1585 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1586 le16_to_cpu(logio->comp_status),
1587 le32_to_cpu(logio->io_parameter[0]),
1588 le32_to_cpu(logio->io_parameter[1]));
1591 sp->done(vha, sp, 0);
1595 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1597 const char func[] = "TMF-IOCB";
1601 struct srb_iocb *iocb;
1602 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1604 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1608 iocb = &sp->u.iocb_cmd;
1610 fcport = sp->fcport;
1611 iocb->u.tmf.data = QLA_SUCCESS;
1613 if (sts->entry_status) {
1614 ql_log(ql_log_warn, fcport->vha, 0x5038,
1615 "Async-%s error - hdl=%x entry-status(%x).\n",
1616 type, sp->handle, sts->entry_status);
1617 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1618 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1619 ql_log(ql_log_warn, fcport->vha, 0x5039,
1620 "Async-%s error - hdl=%x completion status(%x).\n",
1621 type, sp->handle, sts->comp_status);
1622 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1623 } else if ((le16_to_cpu(sts->scsi_status) &
1624 SS_RESPONSE_INFO_LEN_VALID)) {
1625 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1626 ql_log(ql_log_warn, fcport->vha, 0x503b,
1627 "Async-%s error - hdl=%x not enough response(%d).\n",
1628 type, sp->handle, sts->rsp_data_len);
1629 } else if (sts->data[3]) {
1630 ql_log(ql_log_warn, fcport->vha, 0x503c,
1631 "Async-%s error - hdl=%x response(%x).\n",
1632 type, sp->handle, sts->data[3]);
1633 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1637 if (iocb->u.tmf.data != QLA_SUCCESS)
1638 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1639 (uint8_t *)sts, sizeof(*sts));
1641 sp->done(vha, sp, 0);
1645 * qla2x00_process_response_queue() - Process response queue entries.
1646 * @ha: SCSI driver HA context
1649 qla2x00_process_response_queue(struct rsp_que *rsp)
1651 struct scsi_qla_host *vha;
1652 struct qla_hw_data *ha = rsp->hw;
1653 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1655 uint16_t handle_cnt;
1658 vha = pci_get_drvdata(ha->pdev);
1660 if (!vha->flags.online)
1663 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1664 pkt = (sts_entry_t *)rsp->ring_ptr;
1667 if (rsp->ring_index == rsp->length) {
1668 rsp->ring_index = 0;
1669 rsp->ring_ptr = rsp->ring;
1674 if (pkt->entry_status != 0) {
1675 qla2x00_error_entry(vha, rsp, pkt);
1676 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1681 switch (pkt->entry_type) {
1683 qla2x00_status_entry(vha, rsp, pkt);
1685 case STATUS_TYPE_21:
1686 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1687 for (cnt = 0; cnt < handle_cnt; cnt++) {
1688 qla2x00_process_completed_request(vha, rsp->req,
1689 ((sts21_entry_t *)pkt)->handle[cnt]);
1692 case STATUS_TYPE_22:
1693 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1694 for (cnt = 0; cnt < handle_cnt; cnt++) {
1695 qla2x00_process_completed_request(vha, rsp->req,
1696 ((sts22_entry_t *)pkt)->handle[cnt]);
1699 case STATUS_CONT_TYPE:
1700 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1703 qla2x00_mbx_iocb_entry(vha, rsp->req,
1704 (struct mbx_entry *)pkt);
1707 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1710 /* Type Not Supported. */
1711 ql_log(ql_log_warn, vha, 0x504a,
1712 "Received unknown response pkt type %x "
1713 "entry status=%x.\n",
1714 pkt->entry_type, pkt->entry_status);
1717 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1721 /* Adjust ring index */
1722 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1726 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
1727 uint32_t sense_len, struct rsp_que *rsp, int res)
1729 struct scsi_qla_host *vha = sp->fcport->vha;
1730 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1731 uint32_t track_sense_len;
1733 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1734 sense_len = SCSI_SENSE_BUFFERSIZE;
1736 SET_CMD_SENSE_LEN(sp, sense_len);
1737 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1738 track_sense_len = sense_len;
1740 if (sense_len > par_sense_len)
1741 sense_len = par_sense_len;
1743 memcpy(cp->sense_buffer, sense_data, sense_len);
1745 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1746 track_sense_len -= sense_len;
1747 SET_CMD_SENSE_LEN(sp, track_sense_len);
1749 if (track_sense_len != 0) {
1750 rsp->status_srb = sp;
1755 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1756 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
1757 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1759 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1760 cp->sense_buffer, sense_len);
1764 struct scsi_dif_tuple {
1765 __be16 guard; /* Checksum */
1766 __be16 app_tag; /* APPL identifier */
1767 __be32 ref_tag; /* Target LBA or indirect LBA */
1771 * Checks the guard or meta-data for the type of error
1772 * detected by the HBA. In case of errors, we set the
1773 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1774 * to indicate to the kernel that the HBA detected error.
1777 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1779 struct scsi_qla_host *vha = sp->fcport->vha;
1780 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1781 uint8_t *ap = &sts24->data[12];
1782 uint8_t *ep = &sts24->data[20];
1783 uint32_t e_ref_tag, a_ref_tag;
1784 uint16_t e_app_tag, a_app_tag;
1785 uint16_t e_guard, a_guard;
1788 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1789 * would make guard field appear at offset 2
1791 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1792 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1793 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1794 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1795 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1796 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
1798 ql_dbg(ql_dbg_io, vha, 0x3023,
1799 "iocb(s) %p Returned STATUS.\n", sts24);
1801 ql_dbg(ql_dbg_io, vha, 0x3024,
1802 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
1803 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
1804 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
1805 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
1806 a_app_tag, e_app_tag, a_guard, e_guard);
1810 * For type 3: ref & app tag is all 'f's
1811 * For type 0,1,2: app tag is all 'f's
1813 if ((a_app_tag == 0xffff) &&
1814 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1815 (a_ref_tag == 0xffffffff))) {
1816 uint32_t blocks_done, resid;
1817 sector_t lba_s = scsi_get_lba(cmd);
1819 /* 2TB boundary case covered automatically with this */
1820 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1822 resid = scsi_bufflen(cmd) - (blocks_done *
1823 cmd->device->sector_size);
1825 scsi_set_resid(cmd, resid);
1826 cmd->result = DID_OK << 16;
1828 /* Update protection tag */
1829 if (scsi_prot_sg_count(cmd)) {
1830 uint32_t i, j = 0, k = 0, num_ent;
1831 struct scatterlist *sg;
1832 struct t10_pi_tuple *spt;
1834 /* Patch the corresponding protection tags */
1835 scsi_for_each_prot_sg(cmd, sg,
1836 scsi_prot_sg_count(cmd), i) {
1837 num_ent = sg_dma_len(sg) / 8;
1838 if (k + num_ent < blocks_done) {
1842 j = blocks_done - k - 1;
1847 if (k != blocks_done) {
1848 ql_log(ql_log_warn, vha, 0x302f,
1849 "unexpected tag values tag:lba=%x:%llx)\n",
1850 e_ref_tag, (unsigned long long)lba_s);
1854 spt = page_address(sg_page(sg)) + sg->offset;
1857 spt->app_tag = 0xffff;
1858 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1859 spt->ref_tag = 0xffffffff;
1866 if (e_guard != a_guard) {
1867 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1869 set_driver_byte(cmd, DRIVER_SENSE);
1870 set_host_byte(cmd, DID_ABORT);
1871 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1876 if (e_ref_tag != a_ref_tag) {
1877 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1879 set_driver_byte(cmd, DRIVER_SENSE);
1880 set_host_byte(cmd, DID_ABORT);
1881 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1885 /* check appl tag */
1886 if (e_app_tag != a_app_tag) {
1887 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1889 set_driver_byte(cmd, DRIVER_SENSE);
1890 set_host_byte(cmd, DID_ABORT);
1891 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1899 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1900 struct req_que *req, uint32_t index)
1902 struct qla_hw_data *ha = vha->hw;
1904 uint16_t comp_status;
1905 uint16_t scsi_status;
1907 uint32_t rval = EXT_STATUS_OK;
1908 struct bsg_job *bsg_job = NULL;
1909 struct fc_bsg_request *bsg_request;
1910 struct fc_bsg_reply *bsg_reply;
1912 struct sts_entry_24xx *sts24;
1913 sts = (sts_entry_t *) pkt;
1914 sts24 = (struct sts_entry_24xx *) pkt;
1916 /* Validate handle. */
1917 if (index >= req->num_outstanding_cmds) {
1918 ql_log(ql_log_warn, vha, 0x70af,
1919 "Invalid SCSI completion handle 0x%x.\n", index);
1920 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1924 sp = req->outstanding_cmds[index];
1926 ql_log(ql_log_warn, vha, 0x70b0,
1927 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1930 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1934 /* Free outstanding command slot. */
1935 req->outstanding_cmds[index] = NULL;
1936 bsg_job = sp->u.bsg_job;
1937 bsg_request = bsg_job->request;
1938 bsg_reply = bsg_job->reply;
1940 if (IS_FWI2_CAPABLE(ha)) {
1941 comp_status = le16_to_cpu(sts24->comp_status);
1942 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1944 comp_status = le16_to_cpu(sts->comp_status);
1945 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1948 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1949 switch (comp_status) {
1951 if (scsi_status == 0) {
1952 bsg_reply->reply_payload_rcv_len =
1953 bsg_job->reply_payload.payload_len;
1954 vha->qla_stats.input_bytes +=
1955 bsg_reply->reply_payload_rcv_len;
1956 vha->qla_stats.input_requests++;
1957 rval = EXT_STATUS_OK;
1961 case CS_DATA_OVERRUN:
1962 ql_dbg(ql_dbg_user, vha, 0x70b1,
1963 "Command completed with date overrun thread_id=%d\n",
1965 rval = EXT_STATUS_DATA_OVERRUN;
1968 case CS_DATA_UNDERRUN:
1969 ql_dbg(ql_dbg_user, vha, 0x70b2,
1970 "Command completed with date underrun thread_id=%d\n",
1972 rval = EXT_STATUS_DATA_UNDERRUN;
1974 case CS_BIDIR_RD_OVERRUN:
1975 ql_dbg(ql_dbg_user, vha, 0x70b3,
1976 "Command completed with read data overrun thread_id=%d\n",
1978 rval = EXT_STATUS_DATA_OVERRUN;
1981 case CS_BIDIR_RD_WR_OVERRUN:
1982 ql_dbg(ql_dbg_user, vha, 0x70b4,
1983 "Command completed with read and write data overrun "
1984 "thread_id=%d\n", thread_id);
1985 rval = EXT_STATUS_DATA_OVERRUN;
1988 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1989 ql_dbg(ql_dbg_user, vha, 0x70b5,
1990 "Command completed with read data over and write data "
1991 "underrun thread_id=%d\n", thread_id);
1992 rval = EXT_STATUS_DATA_OVERRUN;
1995 case CS_BIDIR_RD_UNDERRUN:
1996 ql_dbg(ql_dbg_user, vha, 0x70b6,
1997 "Command completed with read data data underrun "
1998 "thread_id=%d\n", thread_id);
1999 rval = EXT_STATUS_DATA_UNDERRUN;
2002 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2003 ql_dbg(ql_dbg_user, vha, 0x70b7,
2004 "Command completed with read data under and write data "
2005 "overrun thread_id=%d\n", thread_id);
2006 rval = EXT_STATUS_DATA_UNDERRUN;
2009 case CS_BIDIR_RD_WR_UNDERRUN:
2010 ql_dbg(ql_dbg_user, vha, 0x70b8,
2011 "Command completed with read and write data underrun "
2012 "thread_id=%d\n", thread_id);
2013 rval = EXT_STATUS_DATA_UNDERRUN;
2017 ql_dbg(ql_dbg_user, vha, 0x70b9,
2018 "Command completed with data DMA error thread_id=%d\n",
2020 rval = EXT_STATUS_DMA_ERR;
2024 ql_dbg(ql_dbg_user, vha, 0x70ba,
2025 "Command completed with timeout thread_id=%d\n",
2027 rval = EXT_STATUS_TIMEOUT;
2030 ql_dbg(ql_dbg_user, vha, 0x70bb,
2031 "Command completed with completion status=0x%x "
2032 "thread_id=%d\n", comp_status, thread_id);
2033 rval = EXT_STATUS_ERR;
2036 bsg_reply->reply_payload_rcv_len = 0;
2039 /* Return the vendor specific reply to API */
2040 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2041 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2042 /* Always return DID_OK, bsg will send the vendor specific response
2043 * in this case only */
2044 sp->done(vha, sp, (DID_OK << 6));
2049 * qla2x00_status_entry() - Process a Status IOCB entry.
2050 * @ha: SCSI driver HA context
2051 * @pkt: Entry pointer
2054 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2058 struct scsi_cmnd *cp;
2060 struct sts_entry_24xx *sts24;
2061 uint16_t comp_status;
2062 uint16_t scsi_status;
2064 uint8_t lscsi_status;
2066 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2068 uint8_t *rsp_info, *sense_data;
2069 struct qla_hw_data *ha = vha->hw;
2072 struct req_que *req;
2075 uint16_t state_flags = 0;
2076 uint16_t retry_delay = 0;
2078 sts = (sts_entry_t *) pkt;
2079 sts24 = (struct sts_entry_24xx *) pkt;
2080 if (IS_FWI2_CAPABLE(ha)) {
2081 comp_status = le16_to_cpu(sts24->comp_status);
2082 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2083 state_flags = le16_to_cpu(sts24->state_flags);
2085 comp_status = le16_to_cpu(sts->comp_status);
2086 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2088 handle = (uint32_t) LSW(sts->handle);
2089 que = MSW(sts->handle);
2090 req = ha->req_q_map[que];
2092 /* Check for invalid queue pointer */
2094 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2095 ql_dbg(ql_dbg_io, vha, 0x3059,
2096 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2097 "que=%u.\n", sts->handle, req, que);
2101 /* Validate handle. */
2102 if (handle < req->num_outstanding_cmds) {
2103 sp = req->outstanding_cmds[handle];
2105 ql_dbg(ql_dbg_io, vha, 0x3075,
2106 "%s(%ld): Already returned command for status handle (0x%x).\n",
2107 __func__, vha->host_no, sts->handle);
2111 ql_dbg(ql_dbg_io, vha, 0x3017,
2112 "Invalid status handle, out of range (0x%x).\n",
2115 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2116 if (IS_P3P_TYPE(ha))
2117 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2119 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2120 qla2xxx_wake_dpc(vha);
2125 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2126 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2130 /* Task Management completion. */
2131 if (sp->type == SRB_TM_CMD) {
2132 qla24xx_tm_iocb_entry(vha, req, pkt);
2136 /* Fast path completion. */
2137 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2138 qla2x00_process_completed_request(vha, req, handle);
2143 req->outstanding_cmds[handle] = NULL;
2144 cp = GET_CMD_SP(sp);
2146 ql_dbg(ql_dbg_io, vha, 0x3018,
2147 "Command already returned (0x%x/%p).\n",
2153 lscsi_status = scsi_status & STATUS_MASK;
2155 fcport = sp->fcport;
2158 sense_len = par_sense_len = rsp_info_len = resid_len =
2160 if (IS_FWI2_CAPABLE(ha)) {
2161 if (scsi_status & SS_SENSE_LEN_VALID)
2162 sense_len = le32_to_cpu(sts24->sense_len);
2163 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2164 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2165 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2166 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2167 if (comp_status == CS_DATA_UNDERRUN)
2168 fw_resid_len = le32_to_cpu(sts24->residual_len);
2169 rsp_info = sts24->data;
2170 sense_data = sts24->data;
2171 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2172 ox_id = le16_to_cpu(sts24->ox_id);
2173 par_sense_len = sizeof(sts24->data);
2174 /* Valid values of the retry delay timer are 0x1-0xffef */
2175 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2176 retry_delay = sts24->retry_delay;
2178 if (scsi_status & SS_SENSE_LEN_VALID)
2179 sense_len = le16_to_cpu(sts->req_sense_length);
2180 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2181 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2182 resid_len = le32_to_cpu(sts->residual_length);
2183 rsp_info = sts->rsp_info;
2184 sense_data = sts->req_sense_data;
2185 par_sense_len = sizeof(sts->req_sense_data);
2188 /* Check for any FCP transport errors. */
2189 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2190 /* Sense data lies beyond any FCP RESPONSE data. */
2191 if (IS_FWI2_CAPABLE(ha)) {
2192 sense_data += rsp_info_len;
2193 par_sense_len -= rsp_info_len;
2195 if (rsp_info_len > 3 && rsp_info[3]) {
2196 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2197 "FCP I/O protocol failure (0x%x/0x%x).\n",
2198 rsp_info_len, rsp_info[3]);
2200 res = DID_BUS_BUSY << 16;
2205 /* Check for overrun. */
2206 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2207 scsi_status & SS_RESIDUAL_OVER)
2208 comp_status = CS_DATA_OVERRUN;
2211 * Check retry_delay_timer value if we receive a busy or
2214 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2215 lscsi_status == SAM_STAT_BUSY)
2216 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2219 * Based on Host and scsi status generate status code for Linux
2221 switch (comp_status) {
2224 if (scsi_status == 0) {
2228 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2230 scsi_set_resid(cp, resid);
2232 if (!lscsi_status &&
2233 ((unsigned)(scsi_bufflen(cp) - resid) <
2235 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2236 "Mid-layer underflow "
2237 "detected (0x%x of 0x%x bytes).\n",
2238 resid, scsi_bufflen(cp));
2240 res = DID_ERROR << 16;
2244 res = DID_OK << 16 | lscsi_status;
2246 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2247 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2248 "QUEUE FULL detected.\n");
2252 if (lscsi_status != SS_CHECK_CONDITION)
2255 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2256 if (!(scsi_status & SS_SENSE_LEN_VALID))
2259 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2263 case CS_DATA_UNDERRUN:
2264 /* Use F/W calculated residual length. */
2265 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2266 scsi_set_resid(cp, resid);
2267 if (scsi_status & SS_RESIDUAL_UNDER) {
2268 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2269 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2270 "Dropped frame(s) detected "
2271 "(0x%x of 0x%x bytes).\n",
2272 resid, scsi_bufflen(cp));
2274 res = DID_ERROR << 16 | lscsi_status;
2275 goto check_scsi_status;
2278 if (!lscsi_status &&
2279 ((unsigned)(scsi_bufflen(cp) - resid) <
2281 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2282 "Mid-layer underflow "
2283 "detected (0x%x of 0x%x bytes).\n",
2284 resid, scsi_bufflen(cp));
2286 res = DID_ERROR << 16;
2289 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2290 lscsi_status != SAM_STAT_BUSY) {
2292 * scsi status of task set and busy are considered to be
2293 * task not completed.
2296 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2297 "Dropped frame(s) detected (0x%x "
2298 "of 0x%x bytes).\n", resid,
2301 res = DID_ERROR << 16 | lscsi_status;
2302 goto check_scsi_status;
2304 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2305 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2306 scsi_status, lscsi_status);
2309 res = DID_OK << 16 | lscsi_status;
2314 * Check to see if SCSI Status is non zero. If so report SCSI
2317 if (lscsi_status != 0) {
2318 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2319 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2320 "QUEUE FULL detected.\n");
2324 if (lscsi_status != SS_CHECK_CONDITION)
2327 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2328 if (!(scsi_status & SS_SENSE_LEN_VALID))
2331 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2332 sense_len, rsp, res);
2336 case CS_PORT_LOGGED_OUT:
2337 case CS_PORT_CONFIG_CHG:
2340 case CS_PORT_UNAVAILABLE:
2345 * We are going to have the fc class block the rport
2346 * while we try to recover so instruct the mid layer
2347 * to requeue until the class decides how to handle this.
2349 res = DID_TRANSPORT_DISRUPTED << 16;
2351 if (comp_status == CS_TIMEOUT) {
2352 if (IS_FWI2_CAPABLE(ha))
2354 else if ((le16_to_cpu(sts->status_flags) &
2355 SF_LOGOUT_SENT) == 0)
2359 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
2360 "Port to be marked lost on fcport=%02x%02x%02x, current "
2361 "port state= %s.\n", fcport->d_id.b.domain,
2362 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2363 port_state_str[atomic_read(&fcport->state)]);
2365 if (atomic_read(&fcport->state) == FCS_ONLINE)
2366 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2370 res = DID_RESET << 16;
2374 logit = qla2x00_handle_dif_error(sp, sts24);
2379 res = DID_ERROR << 16;
2381 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2384 if (state_flags & BIT_4)
2385 scmd_printk(KERN_WARNING, cp,
2386 "Unsupported device '%s' found.\n",
2387 cp->device->vendor);
2391 res = DID_ERROR << 16;
2397 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2398 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2399 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2400 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2401 comp_status, scsi_status, res, vha->host_no,
2402 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2403 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2404 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2405 resid_len, fw_resid_len, sp, cp);
2407 if (rsp->status_srb == NULL)
2408 sp->done(ha, sp, res);
2412 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2413 * @ha: SCSI driver HA context
2414 * @pkt: Entry pointer
2416 * Extended sense data.
2419 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2421 uint8_t sense_sz = 0;
2422 struct qla_hw_data *ha = rsp->hw;
2423 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2424 srb_t *sp = rsp->status_srb;
2425 struct scsi_cmnd *cp;
2429 if (!sp || !GET_CMD_SENSE_LEN(sp))
2432 sense_len = GET_CMD_SENSE_LEN(sp);
2433 sense_ptr = GET_CMD_SENSE_PTR(sp);
2435 cp = GET_CMD_SP(sp);
2437 ql_log(ql_log_warn, vha, 0x3025,
2438 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2440 rsp->status_srb = NULL;
2444 if (sense_len > sizeof(pkt->data))
2445 sense_sz = sizeof(pkt->data);
2447 sense_sz = sense_len;
2449 /* Move sense data. */
2450 if (IS_FWI2_CAPABLE(ha))
2451 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2452 memcpy(sense_ptr, pkt->data, sense_sz);
2453 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2454 sense_ptr, sense_sz);
2456 sense_len -= sense_sz;
2457 sense_ptr += sense_sz;
2459 SET_CMD_SENSE_PTR(sp, sense_ptr);
2460 SET_CMD_SENSE_LEN(sp, sense_len);
2462 /* Place command on done queue. */
2463 if (sense_len == 0) {
2464 rsp->status_srb = NULL;
2465 sp->done(ha, sp, cp->result);
2470 * qla2x00_error_entry() - Process an error entry.
2471 * @ha: SCSI driver HA context
2472 * @pkt: Entry pointer
2475 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2478 struct qla_hw_data *ha = vha->hw;
2479 const char func[] = "ERROR-IOCB";
2480 uint16_t que = MSW(pkt->handle);
2481 struct req_que *req = NULL;
2482 int res = DID_ERROR << 16;
2484 ql_dbg(ql_dbg_async, vha, 0x502a,
2485 "type of error status in response: 0x%x\n", pkt->entry_status);
2487 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2490 req = ha->req_q_map[que];
2492 if (pkt->entry_status & RF_BUSY)
2493 res = DID_BUS_BUSY << 16;
2495 if (pkt->entry_type == NOTIFY_ACK_TYPE &&
2496 pkt->handle == QLA_TGT_SKIP_HANDLE)
2499 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2501 sp->done(ha, sp, res);
2505 ql_log(ql_log_warn, vha, 0x5030,
2506 "Error entry - invalid handle/queue (%04x).\n", que);
2510 * qla24xx_mbx_completion() - Process mailbox command completions.
2511 * @ha: SCSI driver HA context
2512 * @mb0: Mailbox0 register
2515 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2519 uint16_t __iomem *wptr;
2520 struct qla_hw_data *ha = vha->hw;
2521 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2523 /* Read all mbox registers? */
2524 mboxes = (1 << ha->mbx_count) - 1;
2526 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2528 mboxes = ha->mcp->in_mb;
2530 /* Load return mailbox registers. */
2531 ha->flags.mbox_int = 1;
2532 ha->mailbox_out[0] = mb0;
2534 wptr = (uint16_t __iomem *)®->mailbox1;
2536 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2538 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2546 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2547 struct abort_entry_24xx *pkt)
2549 const char func[] = "ABT_IOCB";
2551 struct srb_iocb *abt;
2553 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2557 abt = &sp->u.iocb_cmd;
2558 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2559 sp->done(vha, sp, 0);
2563 * qla24xx_process_response_queue() - Process response queue entries.
2564 * @ha: SCSI driver HA context
2566 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2567 struct rsp_que *rsp)
2569 struct sts_entry_24xx *pkt;
2570 struct qla_hw_data *ha = vha->hw;
2572 if (!vha->flags.online)
2575 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2576 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2579 if (rsp->ring_index == rsp->length) {
2580 rsp->ring_index = 0;
2581 rsp->ring_ptr = rsp->ring;
2586 if (pkt->entry_status != 0) {
2587 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2589 if (qlt_24xx_process_response_error(vha, pkt))
2592 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2598 switch (pkt->entry_type) {
2600 qla2x00_status_entry(vha, rsp, pkt);
2602 case STATUS_CONT_TYPE:
2603 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2605 case VP_RPT_ID_IOCB_TYPE:
2606 qla24xx_report_id_acquisition(vha,
2607 (struct vp_rpt_id_entry_24xx *)pkt);
2609 case LOGINOUT_PORT_IOCB_TYPE:
2610 qla24xx_logio_entry(vha, rsp->req,
2611 (struct logio_entry_24xx *)pkt);
2614 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2617 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2619 case ABTS_RECV_24XX:
2620 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2621 /* ensure that the ATIO queue is empty */
2622 qlt_handle_abts_recv(vha, (response_t *)pkt);
2626 qlt_24xx_process_atio_queue(vha, 1);
2628 case ABTS_RESP_24XX:
2630 case NOTIFY_ACK_TYPE:
2632 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2635 /* Do nothing in this case, this check is to prevent it
2636 * from falling into default case
2639 case ABORT_IOCB_TYPE:
2640 qla24xx_abort_iocb_entry(vha, rsp->req,
2641 (struct abort_entry_24xx *)pkt);
2644 /* Type Not Supported. */
2645 ql_dbg(ql_dbg_async, vha, 0x5042,
2646 "Received unknown response pkt type %x "
2647 "entry status=%x.\n",
2648 pkt->entry_type, pkt->entry_status);
2651 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2655 /* Adjust ring index */
2656 if (IS_P3P_TYPE(ha)) {
2657 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2658 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
2660 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2664 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
2668 struct qla_hw_data *ha = vha->hw;
2669 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2671 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2676 WRT_REG_DWORD(®->iobase_addr, 0x7C00);
2677 RD_REG_DWORD(®->iobase_addr);
2678 WRT_REG_DWORD(®->iobase_window, 0x0001);
2679 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
2680 rval == QLA_SUCCESS; cnt--) {
2682 WRT_REG_DWORD(®->iobase_window, 0x0001);
2685 rval = QLA_FUNCTION_TIMEOUT;
2687 if (rval == QLA_SUCCESS)
2691 WRT_REG_DWORD(®->iobase_window, 0x0003);
2692 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
2693 rval == QLA_SUCCESS; cnt--) {
2695 WRT_REG_DWORD(®->iobase_window, 0x0003);
2698 rval = QLA_FUNCTION_TIMEOUT;
2700 if (rval != QLA_SUCCESS)
2704 if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
2705 ql_log(ql_log_info, vha, 0x504c,
2706 "Additional code -- 0x55AA.\n");
2709 WRT_REG_DWORD(®->iobase_window, 0x0000);
2710 RD_REG_DWORD(®->iobase_window);
2714 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
2716 * @dev_id: SCSI driver HA context
2718 * Called by system whenever the host adapter generates an interrupt.
2720 * Returns handled flag.
2723 qla24xx_intr_handler(int irq, void *dev_id)
2725 scsi_qla_host_t *vha;
2726 struct qla_hw_data *ha;
2727 struct device_reg_24xx __iomem *reg;
2733 struct rsp_que *rsp;
2734 unsigned long flags;
2736 rsp = (struct rsp_que *) dev_id;
2738 ql_log(ql_log_info, NULL, 0x5059,
2739 "%s: NULL response queue pointer.\n", __func__);
2744 reg = &ha->iobase->isp24;
2747 if (unlikely(pci_channel_offline(ha->pdev)))
2750 spin_lock_irqsave(&ha->hardware_lock, flags);
2751 vha = pci_get_drvdata(ha->pdev);
2752 for (iter = 50; iter--; ) {
2753 stat = RD_REG_DWORD(®->host_status);
2754 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2756 if (stat & HSRX_RISC_PAUSED) {
2757 if (unlikely(pci_channel_offline(ha->pdev)))
2760 hccr = RD_REG_DWORD(®->hccr);
2762 ql_log(ql_log_warn, vha, 0x504b,
2763 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2766 qla2xxx_check_risc_status(vha);
2768 ha->isp_ops->fw_dump(vha, 1);
2769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2771 } else if ((stat & HSRX_RISC_INT) == 0)
2774 switch (stat & 0xff) {
2775 case INTR_ROM_MB_SUCCESS:
2776 case INTR_ROM_MB_FAILED:
2777 case INTR_MB_SUCCESS:
2778 case INTR_MB_FAILED:
2779 qla24xx_mbx_completion(vha, MSW(stat));
2780 status |= MBX_INTERRUPT;
2783 case INTR_ASYNC_EVENT:
2785 mb[1] = RD_REG_WORD(®->mailbox1);
2786 mb[2] = RD_REG_WORD(®->mailbox2);
2787 mb[3] = RD_REG_WORD(®->mailbox3);
2788 qla2x00_async_event(vha, rsp, mb);
2790 case INTR_RSP_QUE_UPDATE:
2791 case INTR_RSP_QUE_UPDATE_83XX:
2792 qla24xx_process_response_queue(vha, rsp);
2794 case INTR_ATIO_QUE_UPDATE:{
2795 unsigned long flags2;
2796 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2797 qlt_24xx_process_atio_queue(vha, 1);
2798 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2801 case INTR_ATIO_RSP_QUE_UPDATE: {
2802 unsigned long flags2;
2803 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2804 qlt_24xx_process_atio_queue(vha, 1);
2805 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2807 qla24xx_process_response_queue(vha, rsp);
2811 ql_dbg(ql_dbg_async, vha, 0x504f,
2812 "Unrecognized interrupt type (%d).\n", stat * 0xff);
2815 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2816 RD_REG_DWORD_RELAXED(®->hccr);
2817 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2820 qla2x00_handle_mbx_completion(ha, status);
2821 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2827 qla24xx_msix_rsp_q(int irq, void *dev_id)
2829 struct qla_hw_data *ha;
2830 struct rsp_que *rsp;
2831 struct device_reg_24xx __iomem *reg;
2832 struct scsi_qla_host *vha;
2833 unsigned long flags;
2836 rsp = (struct rsp_que *) dev_id;
2838 ql_log(ql_log_info, NULL, 0x505a,
2839 "%s: NULL response queue pointer.\n", __func__);
2843 reg = &ha->iobase->isp24;
2845 spin_lock_irqsave(&ha->hardware_lock, flags);
2847 vha = pci_get_drvdata(ha->pdev);
2849 * Use host_status register to check to PCI disconnection before we
2850 * we process the response queue.
2852 stat = RD_REG_DWORD(®->host_status);
2853 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2855 qla24xx_process_response_queue(vha, rsp);
2856 if (!ha->flags.disable_msix_handshake) {
2857 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2858 RD_REG_DWORD_RELAXED(®->hccr);
2861 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2867 qla24xx_msix_default(int irq, void *dev_id)
2869 scsi_qla_host_t *vha;
2870 struct qla_hw_data *ha;
2871 struct rsp_que *rsp;
2872 struct device_reg_24xx __iomem *reg;
2877 unsigned long flags;
2879 rsp = (struct rsp_que *) dev_id;
2881 ql_log(ql_log_info, NULL, 0x505c,
2882 "%s: NULL response queue pointer.\n", __func__);
2886 reg = &ha->iobase->isp24;
2889 spin_lock_irqsave(&ha->hardware_lock, flags);
2890 vha = pci_get_drvdata(ha->pdev);
2892 stat = RD_REG_DWORD(®->host_status);
2893 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2895 if (stat & HSRX_RISC_PAUSED) {
2896 if (unlikely(pci_channel_offline(ha->pdev)))
2899 hccr = RD_REG_DWORD(®->hccr);
2901 ql_log(ql_log_info, vha, 0x5050,
2902 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2905 qla2xxx_check_risc_status(vha);
2907 ha->isp_ops->fw_dump(vha, 1);
2908 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2910 } else if ((stat & HSRX_RISC_INT) == 0)
2913 switch (stat & 0xff) {
2914 case INTR_ROM_MB_SUCCESS:
2915 case INTR_ROM_MB_FAILED:
2916 case INTR_MB_SUCCESS:
2917 case INTR_MB_FAILED:
2918 qla24xx_mbx_completion(vha, MSW(stat));
2919 status |= MBX_INTERRUPT;
2922 case INTR_ASYNC_EVENT:
2924 mb[1] = RD_REG_WORD(®->mailbox1);
2925 mb[2] = RD_REG_WORD(®->mailbox2);
2926 mb[3] = RD_REG_WORD(®->mailbox3);
2927 qla2x00_async_event(vha, rsp, mb);
2929 case INTR_RSP_QUE_UPDATE:
2930 case INTR_RSP_QUE_UPDATE_83XX:
2931 qla24xx_process_response_queue(vha, rsp);
2933 case INTR_ATIO_QUE_UPDATE:{
2934 unsigned long flags2;
2935 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2936 qlt_24xx_process_atio_queue(vha, 1);
2937 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2940 case INTR_ATIO_RSP_QUE_UPDATE: {
2941 unsigned long flags2;
2942 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2943 qlt_24xx_process_atio_queue(vha, 1);
2944 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2946 qla24xx_process_response_queue(vha, rsp);
2950 ql_dbg(ql_dbg_async, vha, 0x5051,
2951 "Unrecognized interrupt type (%d).\n", stat & 0xff);
2954 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2956 qla2x00_handle_mbx_completion(ha, status);
2957 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2963 qla2xxx_msix_rsp_q(int irq, void *dev_id)
2965 struct qla_hw_data *ha;
2966 struct qla_qpair *qpair;
2967 struct device_reg_24xx __iomem *reg;
2968 unsigned long flags;
2972 ql_log(ql_log_info, NULL, 0x505b,
2973 "%s: NULL response queue pointer.\n", __func__);
2978 /* Clear the interrupt, if enabled, for this response queue */
2979 if (unlikely(!ha->flags.disable_msix_handshake)) {
2980 reg = &ha->iobase->isp24;
2981 spin_lock_irqsave(&ha->hardware_lock, flags);
2982 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2983 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2986 queue_work(ha->wq, &qpair->q_work);
2991 /* Interrupt handling helpers. */
2993 struct qla_init_msix_entry {
2995 irq_handler_t handler;
2998 static struct qla_init_msix_entry msix_entries[] = {
2999 { "qla2xxx (default)", qla24xx_msix_default },
3000 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
3001 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
3002 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
3005 static struct qla_init_msix_entry qla82xx_msix_entries[] = {
3006 { "qla2xxx (default)", qla82xx_msix_default },
3007 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3011 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3014 struct qla_msix_entry *qentry;
3015 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3016 struct irq_affinity desc = {
3017 .pre_vectors = QLA_BASE_VECTORS,
3020 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha))
3023 ret = pci_alloc_irq_vectors_affinity(ha->pdev, QLA_BASE_VECTORS,
3024 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3028 ql_log(ql_log_fatal, vha, 0x00c7,
3029 "MSI-X: Failed to enable support, "
3030 "giving up -- %d/%d.\n",
3031 ha->msix_count, ret);
3033 } else if (ret < ha->msix_count) {
3034 ql_log(ql_log_warn, vha, 0x00c6,
3035 "MSI-X: Failed to enable support "
3036 "with %d vectors, using %d vectors.\n",
3037 ha->msix_count, ret);
3038 ha->msix_count = ret;
3039 /* Recalculate queue values */
3040 if (ha->mqiobase && ql2xmqsupport) {
3041 ha->max_req_queues = ha->msix_count - 1;
3043 /* ATIOQ needs 1 vector. That's 1 less QPair */
3044 if (QLA_TGT_MODE_ENABLED())
3045 ha->max_req_queues--;
3047 ha->max_rsp_queues = ha->max_req_queues;
3049 ha->max_qpairs = ha->max_req_queues - 1;
3050 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3051 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3054 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3055 ha->msix_count, GFP_KERNEL);
3056 if (!ha->msix_entries) {
3057 ql_log(ql_log_fatal, vha, 0x00c8,
3058 "Failed to allocate memory for ha->msix_entries.\n");
3062 ha->flags.msix_enabled = 1;
3064 for (i = 0; i < ha->msix_count; i++) {
3065 qentry = &ha->msix_entries[i];
3066 qentry->vector = pci_irq_vector(ha->pdev, i);
3068 qentry->have_irq = 0;
3070 qentry->handle = NULL;
3073 /* Enable MSI-X vectors for the base queue */
3074 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3075 qentry = &ha->msix_entries[i];
3076 qentry->handle = rsp;
3078 scnprintf(qentry->name, sizeof(qentry->name),
3079 msix_entries[i].name);
3080 if (IS_P3P_TYPE(ha))
3081 ret = request_irq(qentry->vector,
3082 qla82xx_msix_entries[i].handler,
3083 0, qla82xx_msix_entries[i].name, rsp);
3085 ret = request_irq(qentry->vector,
3086 msix_entries[i].handler,
3087 0, msix_entries[i].name, rsp);
3089 goto msix_register_fail;
3090 qentry->have_irq = 1;
3095 * If target mode is enable, also request the vector for the ATIO
3098 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3099 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3101 qentry->handle = rsp;
3102 scnprintf(qentry->name, sizeof(qentry->name),
3103 msix_entries[QLA_ATIO_VECTOR].name);
3105 ret = request_irq(qentry->vector,
3106 msix_entries[QLA_ATIO_VECTOR].handler,
3107 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
3108 qentry->have_irq = 1;
3113 ql_log(ql_log_fatal, vha, 0x00cb,
3114 "MSI-X: unable to register handler -- %x/%d.\n",
3115 qentry->vector, ret);
3116 qla2x00_free_irqs(vha);
3121 /* Enable MSI-X vector for response queue update for queue 0 */
3122 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3123 if (ha->msixbase && ha->mqiobase &&
3124 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3129 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3132 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3133 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3134 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3135 ql_dbg(ql_dbg_init, vha, 0x0055,
3136 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3137 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3144 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3146 int ret = QLA_FUNCTION_FAILED;
3147 device_reg_t *reg = ha->iobase;
3148 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3150 /* If possible, enable MSI-X. */
3151 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3152 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3156 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3157 (ha->pdev->subsystem_device == 0x7040 ||
3158 ha->pdev->subsystem_device == 0x7041 ||
3159 ha->pdev->subsystem_device == 0x1705)) {
3160 ql_log(ql_log_warn, vha, 0x0034,
3161 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3162 ha->pdev->subsystem_vendor,
3163 ha->pdev->subsystem_device);
3167 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3168 ql_log(ql_log_warn, vha, 0x0035,
3169 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3170 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3174 ret = qla24xx_enable_msix(ha, rsp);
3176 ql_dbg(ql_dbg_init, vha, 0x0036,
3177 "MSI-X: Enabled (0x%X, 0x%X).\n",
3178 ha->chip_revision, ha->fw_attributes);
3179 goto clear_risc_ints;
3184 ql_log(ql_log_info, vha, 0x0037,
3185 "Falling back-to MSI mode -%d.\n", ret);
3187 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3188 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3192 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3194 ql_dbg(ql_dbg_init, vha, 0x0038,
3196 ha->flags.msi_enabled = 1;
3198 ql_log(ql_log_warn, vha, 0x0039,
3199 "Falling back-to INTa mode -- %d.\n", ret);
3202 /* Skip INTx on ISP82xx. */
3203 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3204 return QLA_FUNCTION_FAILED;
3206 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3207 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3208 QLA2XXX_DRIVER_NAME, rsp);
3210 ql_log(ql_log_warn, vha, 0x003a,
3211 "Failed to reserve interrupt %d already in use.\n",
3214 } else if (!ha->flags.msi_enabled) {
3215 ql_dbg(ql_dbg_init, vha, 0x0125,
3216 "INTa mode: Enabled.\n");
3217 ha->flags.mr_intr_valid = 1;
3221 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3224 spin_lock_irq(&ha->hardware_lock);
3225 WRT_REG_WORD(®->isp.semaphore, 0);
3226 spin_unlock_irq(&ha->hardware_lock);
3233 qla2x00_free_irqs(scsi_qla_host_t *vha)
3235 struct qla_hw_data *ha = vha->hw;
3236 struct rsp_que *rsp;
3237 struct qla_msix_entry *qentry;
3241 * We need to check that ha->rsp_q_map is valid in case we are called
3242 * from a probe failure context.
3244 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3246 rsp = ha->rsp_q_map[0];
3248 if (ha->flags.msix_enabled) {
3249 for (i = 0; i < ha->msix_count; i++) {
3250 qentry = &ha->msix_entries[i];
3251 if (qentry->have_irq) {
3252 irq_set_affinity_notifier(qentry->vector, NULL);
3253 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3256 kfree(ha->msix_entries);
3257 ha->msix_entries = NULL;
3258 ha->flags.msix_enabled = 0;
3259 ql_dbg(ql_dbg_init, vha, 0x0042,
3260 "Disabled MSI-X.\n");
3262 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3265 pci_free_irq_vectors(ha->pdev);
3268 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3269 struct qla_msix_entry *msix, int vector_type)
3271 struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3272 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3275 scnprintf(msix->name, sizeof(msix->name),
3276 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3277 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3279 ql_log(ql_log_fatal, vha, 0x00e6,
3280 "MSI-X: Unable to register handler -- %x/%d.\n",
3285 msix->handle = qpair;