1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
9 #include <linux/stddef.h>
10 #include <linux/pci.h>
11 #include <linux/kernel.h>
12 #include <linux/slab.h>
13 #include <linux/version.h>
14 #include <linux/delay.h>
15 #include <asm/byteorder.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/string.h>
18 #include <linux/module.h>
19 #include <linux/interrupt.h>
20 #include <linux/workqueue.h>
21 #include <linux/ethtool.h>
22 #include <linux/etherdevice.h>
23 #include <linux/vmalloc.h>
24 #include <linux/qed/qed_if.h>
27 #include "qed_sriov.h"
29 #include "qed_dev_api.h"
32 #include "qed_selftest.h"
34 static char version[] =
35 "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
37 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
38 MODULE_LICENSE("GPL");
39 MODULE_VERSION(DRV_MODULE_VERSION);
41 #define FW_FILE_VERSION \
42 __stringify(FW_MAJOR_VERSION) "." \
43 __stringify(FW_MINOR_VERSION) "." \
44 __stringify(FW_REVISION_VERSION) "." \
45 __stringify(FW_ENGINEERING_VERSION)
47 #define QED_FW_FILE_NAME \
48 "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
50 MODULE_FIRMWARE(QED_FW_FILE_NAME);
52 static int __init qed_init(void)
54 pr_notice("qed_init called\n");
56 pr_info("%s", version);
61 static void __exit qed_cleanup(void)
63 pr_notice("qed_cleanup called\n");
66 module_init(qed_init);
67 module_exit(qed_cleanup);
69 /* Check if the DMA controller on the machine can properly handle the DMA
70 * addressing required by the device.
72 static int qed_set_coherency_mask(struct qed_dev *cdev)
74 struct device *dev = &cdev->pdev->dev;
76 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
77 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
79 "Can't request 64-bit consistent allocations\n");
82 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
83 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
90 static void qed_free_pci(struct qed_dev *cdev)
92 struct pci_dev *pdev = cdev->pdev;
95 iounmap(cdev->doorbells);
97 iounmap(cdev->regview);
98 if (atomic_read(&pdev->enable_cnt) == 1)
99 pci_release_regions(pdev);
101 pci_disable_device(pdev);
104 #define PCI_REVISION_ID_ERROR_VAL 0xff
106 /* Performs PCI initializations as well as initializing PCI-related parameters
107 * in the device structrue. Returns 0 in case of success.
109 static int qed_init_pci(struct qed_dev *cdev,
110 struct pci_dev *pdev)
117 rc = pci_enable_device(pdev);
119 DP_NOTICE(cdev, "Cannot enable PCI device\n");
123 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
124 DP_NOTICE(cdev, "No memory region found in bar #0\n");
129 if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
130 DP_NOTICE(cdev, "No memory region found in bar #2\n");
135 if (atomic_read(&pdev->enable_cnt) == 1) {
136 rc = pci_request_regions(pdev, "qed");
139 "Failed to request PCI memory resources\n");
142 pci_set_master(pdev);
143 pci_save_state(pdev);
146 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
147 if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
149 "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
154 if (!pci_is_pcie(pdev)) {
155 DP_NOTICE(cdev, "The bus is not PCI Express\n");
160 cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
161 if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
162 DP_NOTICE(cdev, "Cannot find power management capability\n");
164 rc = qed_set_coherency_mask(cdev);
168 cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
169 cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
170 cdev->pci_params.irq = pdev->irq;
172 cdev->regview = pci_ioremap_bar(pdev, 0);
173 if (!cdev->regview) {
174 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
180 cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
181 cdev->db_size = pci_resource_len(cdev->pdev, 2);
182 cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
183 if (!cdev->doorbells) {
184 DP_NOTICE(cdev, "Cannot map doorbell space\n");
192 pci_release_regions(pdev);
194 pci_disable_device(pdev);
199 int qed_fill_dev_info(struct qed_dev *cdev,
200 struct qed_dev_info *dev_info)
204 memset(dev_info, 0, sizeof(struct qed_dev_info));
206 dev_info->num_hwfns = cdev->num_hwfns;
207 dev_info->pci_mem_start = cdev->pci_params.mem_start;
208 dev_info->pci_mem_end = cdev->pci_params.mem_end;
209 dev_info->pci_irq = cdev->pci_params.irq;
210 dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
211 ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
214 dev_info->fw_major = FW_MAJOR_VERSION;
215 dev_info->fw_minor = FW_MINOR_VERSION;
216 dev_info->fw_rev = FW_REVISION_VERSION;
217 dev_info->fw_eng = FW_ENGINEERING_VERSION;
218 dev_info->mf_mode = cdev->mf_mode;
219 dev_info->tx_switching = true;
221 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
222 &dev_info->fw_minor, &dev_info->fw_rev,
227 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
229 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
230 &dev_info->mfw_rev, NULL);
232 qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
233 &dev_info->flash_size);
235 qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
238 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
239 &dev_info->mfw_rev, NULL);
245 static void qed_free_cdev(struct qed_dev *cdev)
250 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
252 struct qed_dev *cdev;
254 cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
258 qed_init_struct(cdev);
263 /* Sets the requested power state */
264 static int qed_set_power_state(struct qed_dev *cdev,
270 DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
275 static struct qed_dev *qed_probe(struct pci_dev *pdev,
276 struct qed_probe_params *params)
278 struct qed_dev *cdev;
281 cdev = qed_alloc_cdev(pdev);
285 cdev->protocol = params->protocol;
288 cdev->b_is_vf = true;
290 qed_init_dp(cdev, params->dp_module, params->dp_level);
292 rc = qed_init_pci(cdev, pdev);
294 DP_ERR(cdev, "init pci failed\n");
297 DP_INFO(cdev, "PCI init completed successfully\n");
299 rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
301 DP_ERR(cdev, "hw prepare failed\n");
305 DP_INFO(cdev, "qed_probe completed successffuly\n");
317 static void qed_remove(struct qed_dev *cdev)
326 qed_set_power_state(cdev, PCI_D3hot);
331 static void qed_disable_msix(struct qed_dev *cdev)
333 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
334 pci_disable_msix(cdev->pdev);
335 kfree(cdev->int_params.msix_table);
336 } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
337 pci_disable_msi(cdev->pdev);
340 memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
343 static int qed_enable_msix(struct qed_dev *cdev,
344 struct qed_int_params *int_params)
348 cnt = int_params->in.num_vectors;
350 for (i = 0; i < cnt; i++)
351 int_params->msix_table[i].entry = i;
353 rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
354 int_params->in.min_msix_cnt, cnt);
355 if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
356 (rc % cdev->num_hwfns)) {
357 pci_disable_msix(cdev->pdev);
359 /* If fastpath is initialized, we need at least one interrupt
360 * per hwfn [and the slow path interrupts]. New requested number
361 * should be a multiple of the number of hwfns.
363 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
365 "Trying to enable MSI-X with less vectors (%d out of %d)\n",
366 cnt, int_params->in.num_vectors);
367 rc = pci_enable_msix_exact(cdev->pdev,
368 int_params->msix_table, cnt);
374 /* MSI-x configuration was achieved */
375 int_params->out.int_mode = QED_INT_MODE_MSIX;
376 int_params->out.num_vectors = rc;
380 "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
387 /* This function outputs the int mode and the number of enabled msix vector */
388 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
390 struct qed_int_params *int_params = &cdev->int_params;
391 struct msix_entry *tbl;
394 switch (int_params->in.int_mode) {
395 case QED_INT_MODE_MSIX:
396 /* Allocate MSIX table */
397 cnt = int_params->in.num_vectors;
398 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
399 if (!int_params->msix_table) {
405 rc = qed_enable_msix(cdev, int_params);
409 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
410 kfree(int_params->msix_table);
415 case QED_INT_MODE_MSI:
416 if (cdev->num_hwfns == 1) {
417 rc = pci_enable_msi(cdev->pdev);
419 int_params->out.int_mode = QED_INT_MODE_MSI;
423 DP_NOTICE(cdev, "Failed to enable MSI\n");
429 case QED_INT_MODE_INTA:
430 int_params->out.int_mode = QED_INT_MODE_INTA;
434 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
435 int_params->in.int_mode);
440 cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
445 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
446 int index, void(*handler)(void *))
448 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
449 int relative_idx = index / cdev->num_hwfns;
451 hwfn->simd_proto_handler[relative_idx].func = handler;
452 hwfn->simd_proto_handler[relative_idx].token = token;
455 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
457 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
458 int relative_idx = index / cdev->num_hwfns;
460 memset(&hwfn->simd_proto_handler[relative_idx], 0,
461 sizeof(struct qed_simd_fp_handler));
464 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
466 tasklet_schedule((struct tasklet_struct *)tasklet);
470 static irqreturn_t qed_single_int(int irq, void *dev_instance)
472 struct qed_dev *cdev = (struct qed_dev *)dev_instance;
473 struct qed_hwfn *hwfn;
474 irqreturn_t rc = IRQ_NONE;
478 for (i = 0; i < cdev->num_hwfns; i++) {
479 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
484 hwfn = &cdev->hwfns[i];
486 /* Slowpath interrupt */
487 if (unlikely(status & 0x1)) {
488 tasklet_schedule(hwfn->sp_dpc);
493 /* Fastpath interrupts */
494 for (j = 0; j < 64; j++) {
495 if ((0x2ULL << j) & status) {
496 hwfn->simd_proto_handler[j].func(
497 hwfn->simd_proto_handler[j].token);
498 status &= ~(0x2ULL << j);
503 if (unlikely(status))
504 DP_VERBOSE(hwfn, NETIF_MSG_INTR,
505 "got an unknown interrupt status 0x%llx\n",
512 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
514 struct qed_dev *cdev = hwfn->cdev;
518 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
520 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
521 id, cdev->pdev->bus->number,
522 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
523 rc = request_irq(cdev->int_params.msix_table[id].vector,
524 qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
526 DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
527 "Requested slowpath MSI-X\n");
529 unsigned long flags = 0;
531 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
532 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
533 PCI_FUNC(cdev->pdev->devfn));
535 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
536 flags |= IRQF_SHARED;
538 rc = request_irq(cdev->pdev->irq, qed_single_int,
539 flags, cdev->name, cdev);
545 static void qed_slowpath_irq_free(struct qed_dev *cdev)
549 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
550 for_each_hwfn(cdev, i) {
551 if (!cdev->hwfns[i].b_int_requested)
553 synchronize_irq(cdev->int_params.msix_table[i].vector);
554 free_irq(cdev->int_params.msix_table[i].vector,
555 cdev->hwfns[i].sp_dpc);
558 if (QED_LEADING_HWFN(cdev)->b_int_requested)
559 free_irq(cdev->pdev->irq, cdev);
561 qed_int_disable_post_isr_release(cdev);
564 static int qed_nic_stop(struct qed_dev *cdev)
568 rc = qed_hw_stop(cdev);
570 for (i = 0; i < cdev->num_hwfns; i++) {
571 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
573 if (p_hwfn->b_sp_dpc_enabled) {
574 tasklet_disable(p_hwfn->sp_dpc);
575 p_hwfn->b_sp_dpc_enabled = false;
576 DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
577 "Disabled sp taskelt [hwfn %d] at %p\n",
585 static int qed_nic_reset(struct qed_dev *cdev)
589 rc = qed_hw_reset(cdev);
598 static int qed_nic_setup(struct qed_dev *cdev)
602 rc = qed_resc_alloc(cdev);
606 DP_INFO(cdev, "Allocated qed resources\n");
608 qed_resc_setup(cdev);
613 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
617 /* Mark the fastpath as free/used */
618 cdev->int_params.fp_initialized = cnt ? true : false;
620 if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
621 limit = cdev->num_hwfns * 63;
622 else if (cdev->int_params.fp_msix_cnt)
623 limit = cdev->int_params.fp_msix_cnt;
628 return min_t(int, cnt, limit);
631 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
633 memset(info, 0, sizeof(struct qed_int_info));
635 if (!cdev->int_params.fp_initialized) {
637 "Protocol driver requested interrupt information, but its support is not yet configured\n");
641 /* Need to expose only MSI-X information; Single IRQ is handled solely
644 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
645 int msix_base = cdev->int_params.fp_msix_base;
647 info->msix_cnt = cdev->int_params.fp_msix_cnt;
648 info->msix = &cdev->int_params.msix_table[msix_base];
654 static int qed_slowpath_setup_int(struct qed_dev *cdev,
655 enum qed_int_mode int_mode)
657 struct qed_sb_cnt_info sb_cnt_info;
660 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
662 cdev->int_params.in.int_mode = int_mode;
663 for_each_hwfn(cdev, i) {
664 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
665 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
666 cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
667 cdev->int_params.in.num_vectors++; /* slowpath */
670 /* We want a minimum of one slowpath and one fastpath vector per hwfn */
671 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
673 rc = qed_set_int_mode(cdev, false);
675 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
679 cdev->int_params.fp_msix_base = cdev->num_hwfns;
680 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
686 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
690 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
691 cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
693 qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
694 &cdev->int_params.in.num_vectors);
695 if (cdev->num_hwfns > 1) {
698 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
699 cdev->int_params.in.num_vectors += vectors;
702 /* We want a minimum of one fastpath vector per vf hwfn */
703 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
705 rc = qed_set_int_mode(cdev, true);
709 cdev->int_params.fp_msix_base = 0;
710 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
715 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
716 u8 *input_buf, u32 max_size, u8 *unzip_buf)
720 p_hwfn->stream->next_in = input_buf;
721 p_hwfn->stream->avail_in = input_len;
722 p_hwfn->stream->next_out = unzip_buf;
723 p_hwfn->stream->avail_out = max_size;
725 rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
728 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
733 rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
734 zlib_inflateEnd(p_hwfn->stream);
736 if (rc != Z_OK && rc != Z_STREAM_END) {
737 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
738 p_hwfn->stream->msg, rc);
742 return p_hwfn->stream->total_out / 4;
745 static int qed_alloc_stream_mem(struct qed_dev *cdev)
750 for_each_hwfn(cdev, i) {
751 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
753 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
757 workspace = vzalloc(zlib_inflate_workspacesize());
760 p_hwfn->stream->workspace = workspace;
766 static void qed_free_stream_mem(struct qed_dev *cdev)
770 for_each_hwfn(cdev, i) {
771 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
776 vfree(p_hwfn->stream->workspace);
777 kfree(p_hwfn->stream);
781 static void qed_update_pf_params(struct qed_dev *cdev,
782 struct qed_pf_params *params)
786 for (i = 0; i < cdev->num_hwfns; i++) {
787 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
789 p_hwfn->pf_params = *params;
793 static int qed_slowpath_start(struct qed_dev *cdev,
794 struct qed_slowpath_params *params)
796 struct qed_tunn_start_params tunn_info;
797 struct qed_mcp_drv_version drv_version;
798 const u8 *data = NULL;
799 struct qed_hwfn *hwfn;
802 if (qed_iov_wq_start(cdev))
806 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
810 "Failed to find fw file - /lib/firmware/%s\n",
816 rc = qed_nic_setup(cdev);
821 rc = qed_slowpath_setup_int(cdev, params->int_mode);
823 rc = qed_slowpath_vf_setup_int(cdev);
828 /* Allocate stream for unzipping */
829 rc = qed_alloc_stream_mem(cdev);
831 DP_NOTICE(cdev, "Failed to allocate stream memory\n");
835 data = cdev->firmware->data;
838 memset(&tunn_info, 0, sizeof(tunn_info));
839 tunn_info.tunn_mode |= 1 << QED_MODE_VXLAN_TUNN |
840 1 << QED_MODE_L2GRE_TUNN |
841 1 << QED_MODE_IPGRE_TUNN |
842 1 << QED_MODE_L2GENEVE_TUNN |
843 1 << QED_MODE_IPGENEVE_TUNN;
845 tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
846 tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
847 tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
849 /* Start the slowpath */
850 rc = qed_hw_init(cdev, &tunn_info, true,
851 cdev->int_params.out.int_mode,
857 "HW initialization and function start completed successfully\n");
860 hwfn = QED_LEADING_HWFN(cdev);
861 drv_version.version = (params->drv_major << 24) |
862 (params->drv_minor << 16) |
863 (params->drv_rev << 8) |
865 strlcpy(drv_version.name, params->name,
866 MCP_DRV_VER_STR_SIZE - 4);
867 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
870 DP_NOTICE(cdev, "Failed sending drv version command\n");
875 qed_reset_vport_stats(cdev);
880 qed_hw_timers_stop_all(cdev);
882 qed_slowpath_irq_free(cdev);
883 qed_free_stream_mem(cdev);
884 qed_disable_msix(cdev);
889 release_firmware(cdev->firmware);
891 qed_iov_wq_stop(cdev, false);
896 static int qed_slowpath_stop(struct qed_dev *cdev)
902 qed_free_stream_mem(cdev);
903 qed_sriov_disable(cdev, true);
906 qed_slowpath_irq_free(cdev);
909 qed_disable_msix(cdev);
912 qed_iov_wq_stop(cdev, true);
915 release_firmware(cdev->firmware);
920 static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
921 char ver_str[VER_SIZE])
925 memcpy(cdev->name, name, NAME_SIZE);
926 for_each_hwfn(cdev, i)
927 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
929 memcpy(cdev->ver_str, ver_str, VER_SIZE);
930 cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
933 static u32 qed_sb_init(struct qed_dev *cdev,
934 struct qed_sb_info *sb_info,
936 dma_addr_t sb_phy_addr, u16 sb_id,
937 enum qed_sb_type type)
939 struct qed_hwfn *p_hwfn;
945 /* RoCE uses single engine and CMT uses two engines. When using both
946 * we force only a single engine. Storage uses only engine 0 too.
948 if (type == QED_SB_TYPE_L2_QUEUE)
949 n_hwfns = cdev->num_hwfns;
953 hwfn_index = sb_id % n_hwfns;
954 p_hwfn = &cdev->hwfns[hwfn_index];
955 rel_sb_id = sb_id / n_hwfns;
957 DP_VERBOSE(cdev, NETIF_MSG_INTR,
958 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
959 hwfn_index, rel_sb_id, sb_id);
961 rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
962 sb_virt_addr, sb_phy_addr, rel_sb_id);
967 static u32 qed_sb_release(struct qed_dev *cdev,
968 struct qed_sb_info *sb_info,
971 struct qed_hwfn *p_hwfn;
976 hwfn_index = sb_id % cdev->num_hwfns;
977 p_hwfn = &cdev->hwfns[hwfn_index];
978 rel_sb_id = sb_id / cdev->num_hwfns;
980 DP_VERBOSE(cdev, NETIF_MSG_INTR,
981 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
982 hwfn_index, rel_sb_id, sb_id);
984 rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
989 static bool qed_can_link_change(struct qed_dev *cdev)
994 static int qed_set_link(struct qed_dev *cdev,
995 struct qed_link_params *params)
997 struct qed_hwfn *hwfn;
998 struct qed_mcp_link_params *link_params;
1008 /* The link should be set only once per PF */
1009 hwfn = &cdev->hwfns[0];
1011 ptt = qed_ptt_acquire(hwfn);
1015 link_params = qed_mcp_get_link_params(hwfn);
1016 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1017 link_params->speed.autoneg = params->autoneg;
1018 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1019 link_params->speed.advertised_speeds = 0;
1020 if ((params->adv_speeds & SUPPORTED_1000baseT_Half) ||
1021 (params->adv_speeds & SUPPORTED_1000baseT_Full))
1022 link_params->speed.advertised_speeds |=
1023 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1024 if (params->adv_speeds & SUPPORTED_10000baseKR_Full)
1025 link_params->speed.advertised_speeds |=
1026 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1027 if (params->adv_speeds & SUPPORTED_40000baseLR4_Full)
1028 link_params->speed.advertised_speeds |=
1029 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1030 if (params->adv_speeds & 0)
1031 link_params->speed.advertised_speeds |=
1032 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1033 if (params->adv_speeds & 0)
1034 link_params->speed.advertised_speeds |=
1035 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_100G;
1037 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1038 link_params->speed.forced_speed = params->forced_speed;
1039 if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1040 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1041 link_params->pause.autoneg = true;
1043 link_params->pause.autoneg = false;
1044 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1045 link_params->pause.forced_rx = true;
1047 link_params->pause.forced_rx = false;
1048 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1049 link_params->pause.forced_tx = true;
1051 link_params->pause.forced_tx = false;
1053 if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1054 switch (params->loopback_mode) {
1055 case QED_LINK_LOOPBACK_INT_PHY:
1056 link_params->loopback_mode = PMM_LOOPBACK_INT_PHY;
1058 case QED_LINK_LOOPBACK_EXT_PHY:
1059 link_params->loopback_mode = PMM_LOOPBACK_EXT_PHY;
1061 case QED_LINK_LOOPBACK_EXT:
1062 link_params->loopback_mode = PMM_LOOPBACK_EXT;
1064 case QED_LINK_LOOPBACK_MAC:
1065 link_params->loopback_mode = PMM_LOOPBACK_MAC;
1068 link_params->loopback_mode = PMM_LOOPBACK_NONE;
1073 rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1075 qed_ptt_release(hwfn, ptt);
1080 static int qed_get_port_type(u32 media_type)
1084 switch (media_type) {
1085 case MEDIA_SFPP_10G_FIBER:
1086 case MEDIA_SFP_1G_FIBER:
1087 case MEDIA_XFP_FIBER:
1088 case MEDIA_MODULE_FIBER:
1090 port_type = PORT_FIBRE;
1092 case MEDIA_DA_TWINAX:
1093 port_type = PORT_DA;
1096 port_type = PORT_TP;
1098 case MEDIA_NOT_PRESENT:
1099 port_type = PORT_NONE;
1101 case MEDIA_UNSPECIFIED:
1103 port_type = PORT_OTHER;
1109 static int qed_get_link_data(struct qed_hwfn *hwfn,
1110 struct qed_mcp_link_params *params,
1111 struct qed_mcp_link_state *link,
1112 struct qed_mcp_link_capabilities *link_caps)
1116 if (!IS_PF(hwfn->cdev)) {
1117 qed_vf_get_link_params(hwfn, params);
1118 qed_vf_get_link_state(hwfn, link);
1119 qed_vf_get_link_caps(hwfn, link_caps);
1124 p = qed_mcp_get_link_params(hwfn);
1127 memcpy(params, p, sizeof(*params));
1129 p = qed_mcp_get_link_state(hwfn);
1132 memcpy(link, p, sizeof(*link));
1134 p = qed_mcp_get_link_capabilities(hwfn);
1137 memcpy(link_caps, p, sizeof(*link_caps));
1142 static void qed_fill_link(struct qed_hwfn *hwfn,
1143 struct qed_link_output *if_link)
1145 struct qed_mcp_link_params params;
1146 struct qed_mcp_link_state link;
1147 struct qed_mcp_link_capabilities link_caps;
1150 memset(if_link, 0, sizeof(*if_link));
1152 /* Prepare source inputs */
1153 if (qed_get_link_data(hwfn, ¶ms, &link, &link_caps)) {
1154 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1158 /* Set the link parameters to pass to protocol driver */
1160 if_link->link_up = true;
1162 /* TODO - at the moment assume supported and advertised speed equal */
1163 if_link->supported_caps = SUPPORTED_FIBRE;
1164 if (params.speed.autoneg)
1165 if_link->supported_caps |= SUPPORTED_Autoneg;
1166 if (params.pause.autoneg ||
1167 (params.pause.forced_rx && params.pause.forced_tx))
1168 if_link->supported_caps |= SUPPORTED_Asym_Pause;
1169 if (params.pause.autoneg || params.pause.forced_rx ||
1170 params.pause.forced_tx)
1171 if_link->supported_caps |= SUPPORTED_Pause;
1173 if_link->advertised_caps = if_link->supported_caps;
1174 if (params.speed.advertised_speeds &
1175 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1176 if_link->advertised_caps |= SUPPORTED_1000baseT_Half |
1177 SUPPORTED_1000baseT_Full;
1178 if (params.speed.advertised_speeds &
1179 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1180 if_link->advertised_caps |= SUPPORTED_10000baseKR_Full;
1181 if (params.speed.advertised_speeds &
1182 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1183 if_link->advertised_caps |= SUPPORTED_40000baseLR4_Full;
1184 if (params.speed.advertised_speeds &
1185 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1186 if_link->advertised_caps |= 0;
1187 if (params.speed.advertised_speeds &
1188 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_100G)
1189 if_link->advertised_caps |= 0;
1191 if (link_caps.speed_capabilities &
1192 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1193 if_link->supported_caps |= SUPPORTED_1000baseT_Half |
1194 SUPPORTED_1000baseT_Full;
1195 if (link_caps.speed_capabilities &
1196 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1197 if_link->supported_caps |= SUPPORTED_10000baseKR_Full;
1198 if (link_caps.speed_capabilities &
1199 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1200 if_link->supported_caps |= SUPPORTED_40000baseLR4_Full;
1201 if (link_caps.speed_capabilities &
1202 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1203 if_link->supported_caps |= 0;
1204 if (link_caps.speed_capabilities &
1205 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_100G)
1206 if_link->supported_caps |= 0;
1209 if_link->speed = link.speed;
1211 /* TODO - fill duplex properly */
1212 if_link->duplex = DUPLEX_FULL;
1213 qed_mcp_get_media_type(hwfn->cdev, &media_type);
1214 if_link->port = qed_get_port_type(media_type);
1216 if_link->autoneg = params.speed.autoneg;
1218 if (params.pause.autoneg)
1219 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1220 if (params.pause.forced_rx)
1221 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1222 if (params.pause.forced_tx)
1223 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1225 /* Link partner capabilities */
1226 if (link.partner_adv_speed &
1227 QED_LINK_PARTNER_SPEED_1G_HD)
1228 if_link->lp_caps |= SUPPORTED_1000baseT_Half;
1229 if (link.partner_adv_speed &
1230 QED_LINK_PARTNER_SPEED_1G_FD)
1231 if_link->lp_caps |= SUPPORTED_1000baseT_Full;
1232 if (link.partner_adv_speed &
1233 QED_LINK_PARTNER_SPEED_10G)
1234 if_link->lp_caps |= SUPPORTED_10000baseKR_Full;
1235 if (link.partner_adv_speed &
1236 QED_LINK_PARTNER_SPEED_40G)
1237 if_link->lp_caps |= SUPPORTED_40000baseLR4_Full;
1238 if (link.partner_adv_speed &
1239 QED_LINK_PARTNER_SPEED_50G)
1240 if_link->lp_caps |= 0;
1241 if (link.partner_adv_speed &
1242 QED_LINK_PARTNER_SPEED_100G)
1243 if_link->lp_caps |= 0;
1245 if (link.an_complete)
1246 if_link->lp_caps |= SUPPORTED_Autoneg;
1248 if (link.partner_adv_pause)
1249 if_link->lp_caps |= SUPPORTED_Pause;
1250 if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1251 link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1252 if_link->lp_caps |= SUPPORTED_Asym_Pause;
1255 static void qed_get_current_link(struct qed_dev *cdev,
1256 struct qed_link_output *if_link)
1260 qed_fill_link(&cdev->hwfns[0], if_link);
1262 for_each_hwfn(cdev, i)
1263 qed_inform_vf_link_state(&cdev->hwfns[i]);
1266 void qed_link_update(struct qed_hwfn *hwfn)
1268 void *cookie = hwfn->cdev->ops_cookie;
1269 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1270 struct qed_link_output if_link;
1272 qed_fill_link(hwfn, &if_link);
1273 qed_inform_vf_link_state(hwfn);
1275 if (IS_LEAD_HWFN(hwfn) && cookie)
1276 op->link_update(cookie, &if_link);
1279 static int qed_drain(struct qed_dev *cdev)
1281 struct qed_hwfn *hwfn;
1282 struct qed_ptt *ptt;
1288 for_each_hwfn(cdev, i) {
1289 hwfn = &cdev->hwfns[i];
1290 ptt = qed_ptt_acquire(hwfn);
1292 DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1295 rc = qed_mcp_drain(hwfn, ptt);
1298 qed_ptt_release(hwfn, ptt);
1304 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
1306 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1307 struct qed_ptt *ptt;
1310 ptt = qed_ptt_acquire(hwfn);
1314 status = qed_mcp_set_led(hwfn, ptt, mode);
1316 qed_ptt_release(hwfn, ptt);
1321 struct qed_selftest_ops qed_selftest_ops_pass = {
1322 .selftest_memory = &qed_selftest_memory,
1323 .selftest_interrupt = &qed_selftest_interrupt,
1324 .selftest_register = &qed_selftest_register,
1325 .selftest_clock = &qed_selftest_clock,
1328 const struct qed_common_ops qed_common_ops_pass = {
1329 .selftest = &qed_selftest_ops_pass,
1330 .probe = &qed_probe,
1331 .remove = &qed_remove,
1332 .set_power_state = &qed_set_power_state,
1333 .set_id = &qed_set_id,
1334 .update_pf_params = &qed_update_pf_params,
1335 .slowpath_start = &qed_slowpath_start,
1336 .slowpath_stop = &qed_slowpath_stop,
1337 .set_fp_int = &qed_set_int_fp,
1338 .get_fp_int = &qed_get_int_fp,
1339 .sb_init = &qed_sb_init,
1340 .sb_release = &qed_sb_release,
1341 .simd_handler_config = &qed_simd_handler_config,
1342 .simd_handler_clean = &qed_simd_handler_clean,
1343 .can_link_change = &qed_can_link_change,
1344 .set_link = &qed_set_link,
1345 .get_link = &qed_get_current_link,
1346 .drain = &qed_drain,
1347 .update_msglvl = &qed_init_dp,
1348 .chain_alloc = &qed_chain_alloc,
1349 .chain_free = &qed_chain_free,
1350 .set_led = &qed_set_led,