Merge tag 'powerpc-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[cascardo/linux.git] / drivers / net / ethernet / qlogic / qed / qed_main.c
1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015 QLogic Corporation
3  *
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
6  * this source tree.
7  */
8
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>
25
26 #include "qed.h"
27 #include "qed_sriov.h"
28 #include "qed_sp.h"
29 #include "qed_dev_api.h"
30 #include "qed_mcp.h"
31 #include "qed_hw.h"
32 #include "qed_selftest.h"
33
34 static char version[] =
35         "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
36
37 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
38 MODULE_LICENSE("GPL");
39 MODULE_VERSION(DRV_MODULE_VERSION);
40
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)
46
47 #define QED_FW_FILE_NAME        \
48         "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
49
50 MODULE_FIRMWARE(QED_FW_FILE_NAME);
51
52 static int __init qed_init(void)
53 {
54         pr_notice("qed_init called\n");
55
56         pr_info("%s", version);
57
58         return 0;
59 }
60
61 static void __exit qed_cleanup(void)
62 {
63         pr_notice("qed_cleanup called\n");
64 }
65
66 module_init(qed_init);
67 module_exit(qed_cleanup);
68
69 /* Check if the DMA controller on the machine can properly handle the DMA
70  * addressing required by the device.
71 */
72 static int qed_set_coherency_mask(struct qed_dev *cdev)
73 {
74         struct device *dev = &cdev->pdev->dev;
75
76         if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
77                 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
78                         DP_NOTICE(cdev,
79                                   "Can't request 64-bit consistent allocations\n");
80                         return -EIO;
81                 }
82         } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
83                 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
84                 return -EIO;
85         }
86
87         return 0;
88 }
89
90 static void qed_free_pci(struct qed_dev *cdev)
91 {
92         struct pci_dev *pdev = cdev->pdev;
93
94         if (cdev->doorbells)
95                 iounmap(cdev->doorbells);
96         if (cdev->regview)
97                 iounmap(cdev->regview);
98         if (atomic_read(&pdev->enable_cnt) == 1)
99                 pci_release_regions(pdev);
100
101         pci_disable_device(pdev);
102 }
103
104 #define PCI_REVISION_ID_ERROR_VAL       0xff
105
106 /* Performs PCI initializations as well as initializing PCI-related parameters
107  * in the device structrue. Returns 0 in case of success.
108  */
109 static int qed_init_pci(struct qed_dev *cdev,
110                         struct pci_dev *pdev)
111 {
112         u8 rev_id;
113         int rc;
114
115         cdev->pdev = pdev;
116
117         rc = pci_enable_device(pdev);
118         if (rc) {
119                 DP_NOTICE(cdev, "Cannot enable PCI device\n");
120                 goto err0;
121         }
122
123         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
124                 DP_NOTICE(cdev, "No memory region found in bar #0\n");
125                 rc = -EIO;
126                 goto err1;
127         }
128
129         if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
130                 DP_NOTICE(cdev, "No memory region found in bar #2\n");
131                 rc = -EIO;
132                 goto err1;
133         }
134
135         if (atomic_read(&pdev->enable_cnt) == 1) {
136                 rc = pci_request_regions(pdev, "qed");
137                 if (rc) {
138                         DP_NOTICE(cdev,
139                                   "Failed to request PCI memory resources\n");
140                         goto err1;
141                 }
142                 pci_set_master(pdev);
143                 pci_save_state(pdev);
144         }
145
146         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
147         if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
148                 DP_NOTICE(cdev,
149                           "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
150                           rev_id);
151                 rc = -ENODEV;
152                 goto err2;
153         }
154         if (!pci_is_pcie(pdev)) {
155                 DP_NOTICE(cdev, "The bus is not PCI Express\n");
156                 rc = -EIO;
157                 goto err2;
158         }
159
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");
163
164         rc = qed_set_coherency_mask(cdev);
165         if (rc)
166                 goto err2;
167
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;
171
172         cdev->regview = pci_ioremap_bar(pdev, 0);
173         if (!cdev->regview) {
174                 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
175                 rc = -ENOMEM;
176                 goto err2;
177         }
178
179         if (IS_PF(cdev)) {
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");
185                         return -ENOMEM;
186                 }
187         }
188
189         return 0;
190
191 err2:
192         pci_release_regions(pdev);
193 err1:
194         pci_disable_device(pdev);
195 err0:
196         return rc;
197 }
198
199 int qed_fill_dev_info(struct qed_dev *cdev,
200                       struct qed_dev_info *dev_info)
201 {
202         struct qed_ptt  *ptt;
203
204         memset(dev_info, 0, sizeof(struct qed_dev_info));
205
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->rdma_supported =
211             (cdev->hwfns[0].hw_info.personality == QED_PCI_ETH_ROCE);
212         dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
213         ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
214
215         if (IS_PF(cdev)) {
216                 dev_info->fw_major = FW_MAJOR_VERSION;
217                 dev_info->fw_minor = FW_MINOR_VERSION;
218                 dev_info->fw_rev = FW_REVISION_VERSION;
219                 dev_info->fw_eng = FW_ENGINEERING_VERSION;
220                 dev_info->mf_mode = cdev->mf_mode;
221                 dev_info->tx_switching = true;
222         } else {
223                 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
224                                       &dev_info->fw_minor, &dev_info->fw_rev,
225                                       &dev_info->fw_eng);
226         }
227
228         if (IS_PF(cdev)) {
229                 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
230                 if (ptt) {
231                         qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
232                                             &dev_info->mfw_rev, NULL);
233
234                         qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
235                                                &dev_info->flash_size);
236
237                         qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
238                 }
239         } else {
240                 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
241                                     &dev_info->mfw_rev, NULL);
242         }
243
244         return 0;
245 }
246
247 static void qed_free_cdev(struct qed_dev *cdev)
248 {
249         kfree((void *)cdev);
250 }
251
252 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
253 {
254         struct qed_dev *cdev;
255
256         cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
257         if (!cdev)
258                 return cdev;
259
260         qed_init_struct(cdev);
261
262         return cdev;
263 }
264
265 /* Sets the requested power state */
266 static int qed_set_power_state(struct qed_dev *cdev,
267                                pci_power_t state)
268 {
269         if (!cdev)
270                 return -ENODEV;
271
272         DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
273         return 0;
274 }
275
276 /* probing */
277 static struct qed_dev *qed_probe(struct pci_dev *pdev,
278                                  struct qed_probe_params *params)
279 {
280         struct qed_dev *cdev;
281         int rc;
282
283         cdev = qed_alloc_cdev(pdev);
284         if (!cdev)
285                 goto err0;
286
287         cdev->protocol = params->protocol;
288
289         if (params->is_vf)
290                 cdev->b_is_vf = true;
291
292         qed_init_dp(cdev, params->dp_module, params->dp_level);
293
294         rc = qed_init_pci(cdev, pdev);
295         if (rc) {
296                 DP_ERR(cdev, "init pci failed\n");
297                 goto err1;
298         }
299         DP_INFO(cdev, "PCI init completed successfully\n");
300
301         rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
302         if (rc) {
303                 DP_ERR(cdev, "hw prepare failed\n");
304                 goto err2;
305         }
306
307         DP_INFO(cdev, "qed_probe completed successffuly\n");
308
309         return cdev;
310
311 err2:
312         qed_free_pci(cdev);
313 err1:
314         qed_free_cdev(cdev);
315 err0:
316         return NULL;
317 }
318
319 static void qed_remove(struct qed_dev *cdev)
320 {
321         if (!cdev)
322                 return;
323
324         qed_hw_remove(cdev);
325
326         qed_free_pci(cdev);
327
328         qed_set_power_state(cdev, PCI_D3hot);
329
330         qed_free_cdev(cdev);
331 }
332
333 static void qed_disable_msix(struct qed_dev *cdev)
334 {
335         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
336                 pci_disable_msix(cdev->pdev);
337                 kfree(cdev->int_params.msix_table);
338         } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
339                 pci_disable_msi(cdev->pdev);
340         }
341
342         memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
343 }
344
345 static int qed_enable_msix(struct qed_dev *cdev,
346                            struct qed_int_params *int_params)
347 {
348         int i, rc, cnt;
349
350         cnt = int_params->in.num_vectors;
351
352         for (i = 0; i < cnt; i++)
353                 int_params->msix_table[i].entry = i;
354
355         rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
356                                    int_params->in.min_msix_cnt, cnt);
357         if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
358             (rc % cdev->num_hwfns)) {
359                 pci_disable_msix(cdev->pdev);
360
361                 /* If fastpath is initialized, we need at least one interrupt
362                  * per hwfn [and the slow path interrupts]. New requested number
363                  * should be a multiple of the number of hwfns.
364                  */
365                 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
366                 DP_NOTICE(cdev,
367                           "Trying to enable MSI-X with less vectors (%d out of %d)\n",
368                           cnt, int_params->in.num_vectors);
369                 rc = pci_enable_msix_exact(cdev->pdev,
370                                            int_params->msix_table, cnt);
371                 if (!rc)
372                         rc = cnt;
373         }
374
375         if (rc > 0) {
376                 /* MSI-x configuration was achieved */
377                 int_params->out.int_mode = QED_INT_MODE_MSIX;
378                 int_params->out.num_vectors = rc;
379                 rc = 0;
380         } else {
381                 DP_NOTICE(cdev,
382                           "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
383                           cnt, rc);
384         }
385
386         return rc;
387 }
388
389 /* This function outputs the int mode and the number of enabled msix vector */
390 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
391 {
392         struct qed_int_params *int_params = &cdev->int_params;
393         struct msix_entry *tbl;
394         int rc = 0, cnt;
395
396         switch (int_params->in.int_mode) {
397         case QED_INT_MODE_MSIX:
398                 /* Allocate MSIX table */
399                 cnt = int_params->in.num_vectors;
400                 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
401                 if (!int_params->msix_table) {
402                         rc = -ENOMEM;
403                         goto out;
404                 }
405
406                 /* Enable MSIX */
407                 rc = qed_enable_msix(cdev, int_params);
408                 if (!rc)
409                         goto out;
410
411                 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
412                 kfree(int_params->msix_table);
413                 if (force_mode)
414                         goto out;
415                 /* Fallthrough */
416
417         case QED_INT_MODE_MSI:
418                 if (cdev->num_hwfns == 1) {
419                         rc = pci_enable_msi(cdev->pdev);
420                         if (!rc) {
421                                 int_params->out.int_mode = QED_INT_MODE_MSI;
422                                 goto out;
423                         }
424
425                         DP_NOTICE(cdev, "Failed to enable MSI\n");
426                         if (force_mode)
427                                 goto out;
428                 }
429                 /* Fallthrough */
430
431         case QED_INT_MODE_INTA:
432                         int_params->out.int_mode = QED_INT_MODE_INTA;
433                         rc = 0;
434                         goto out;
435         default:
436                 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
437                           int_params->in.int_mode);
438                 rc = -EINVAL;
439         }
440
441 out:
442         cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
443
444         return rc;
445 }
446
447 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
448                                     int index, void(*handler)(void *))
449 {
450         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
451         int relative_idx = index / cdev->num_hwfns;
452
453         hwfn->simd_proto_handler[relative_idx].func = handler;
454         hwfn->simd_proto_handler[relative_idx].token = token;
455 }
456
457 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
458 {
459         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
460         int relative_idx = index / cdev->num_hwfns;
461
462         memset(&hwfn->simd_proto_handler[relative_idx], 0,
463                sizeof(struct qed_simd_fp_handler));
464 }
465
466 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
467 {
468         tasklet_schedule((struct tasklet_struct *)tasklet);
469         return IRQ_HANDLED;
470 }
471
472 static irqreturn_t qed_single_int(int irq, void *dev_instance)
473 {
474         struct qed_dev *cdev = (struct qed_dev *)dev_instance;
475         struct qed_hwfn *hwfn;
476         irqreturn_t rc = IRQ_NONE;
477         u64 status;
478         int i, j;
479
480         for (i = 0; i < cdev->num_hwfns; i++) {
481                 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
482
483                 if (!status)
484                         continue;
485
486                 hwfn = &cdev->hwfns[i];
487
488                 /* Slowpath interrupt */
489                 if (unlikely(status & 0x1)) {
490                         tasklet_schedule(hwfn->sp_dpc);
491                         status &= ~0x1;
492                         rc = IRQ_HANDLED;
493                 }
494
495                 /* Fastpath interrupts */
496                 for (j = 0; j < 64; j++) {
497                         if ((0x2ULL << j) & status) {
498                                 hwfn->simd_proto_handler[j].func(
499                                         hwfn->simd_proto_handler[j].token);
500                                 status &= ~(0x2ULL << j);
501                                 rc = IRQ_HANDLED;
502                         }
503                 }
504
505                 if (unlikely(status))
506                         DP_VERBOSE(hwfn, NETIF_MSG_INTR,
507                                    "got an unknown interrupt status 0x%llx\n",
508                                    status);
509         }
510
511         return rc;
512 }
513
514 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
515 {
516         struct qed_dev *cdev = hwfn->cdev;
517         int rc = 0;
518         u8 id;
519
520         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
521                 id = hwfn->my_id;
522                 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
523                          id, cdev->pdev->bus->number,
524                          PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
525                 rc = request_irq(cdev->int_params.msix_table[id].vector,
526                                  qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
527                 if (!rc)
528                         DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
529                                    "Requested slowpath MSI-X\n");
530         } else {
531                 unsigned long flags = 0;
532
533                 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
534                          cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
535                          PCI_FUNC(cdev->pdev->devfn));
536
537                 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
538                         flags |= IRQF_SHARED;
539
540                 rc = request_irq(cdev->pdev->irq, qed_single_int,
541                                  flags, cdev->name, cdev);
542         }
543
544         return rc;
545 }
546
547 static void qed_slowpath_irq_free(struct qed_dev *cdev)
548 {
549         int i;
550
551         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
552                 for_each_hwfn(cdev, i) {
553                         if (!cdev->hwfns[i].b_int_requested)
554                                 break;
555                         synchronize_irq(cdev->int_params.msix_table[i].vector);
556                         free_irq(cdev->int_params.msix_table[i].vector,
557                                  cdev->hwfns[i].sp_dpc);
558                 }
559         } else {
560                 if (QED_LEADING_HWFN(cdev)->b_int_requested)
561                         free_irq(cdev->pdev->irq, cdev);
562         }
563         qed_int_disable_post_isr_release(cdev);
564 }
565
566 static int qed_nic_stop(struct qed_dev *cdev)
567 {
568         int i, rc;
569
570         rc = qed_hw_stop(cdev);
571
572         for (i = 0; i < cdev->num_hwfns; i++) {
573                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
574
575                 if (p_hwfn->b_sp_dpc_enabled) {
576                         tasklet_disable(p_hwfn->sp_dpc);
577                         p_hwfn->b_sp_dpc_enabled = false;
578                         DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
579                                    "Disabled sp taskelt [hwfn %d] at %p\n",
580                                    i, p_hwfn->sp_dpc);
581                 }
582         }
583
584         return rc;
585 }
586
587 static int qed_nic_reset(struct qed_dev *cdev)
588 {
589         int rc;
590
591         rc = qed_hw_reset(cdev);
592         if (rc)
593                 return rc;
594
595         qed_resc_free(cdev);
596
597         return 0;
598 }
599
600 static int qed_nic_setup(struct qed_dev *cdev)
601 {
602         int rc;
603
604         rc = qed_resc_alloc(cdev);
605         if (rc)
606                 return rc;
607
608         DP_INFO(cdev, "Allocated qed resources\n");
609
610         qed_resc_setup(cdev);
611
612         return rc;
613 }
614
615 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
616 {
617         int limit = 0;
618
619         /* Mark the fastpath as free/used */
620         cdev->int_params.fp_initialized = cnt ? true : false;
621
622         if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
623                 limit = cdev->num_hwfns * 63;
624         else if (cdev->int_params.fp_msix_cnt)
625                 limit = cdev->int_params.fp_msix_cnt;
626
627         if (!limit)
628                 return -ENOMEM;
629
630         return min_t(int, cnt, limit);
631 }
632
633 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
634 {
635         memset(info, 0, sizeof(struct qed_int_info));
636
637         if (!cdev->int_params.fp_initialized) {
638                 DP_INFO(cdev,
639                         "Protocol driver requested interrupt information, but its support is not yet configured\n");
640                 return -EINVAL;
641         }
642
643         /* Need to expose only MSI-X information; Single IRQ is handled solely
644          * by qed.
645          */
646         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
647                 int msix_base = cdev->int_params.fp_msix_base;
648
649                 info->msix_cnt = cdev->int_params.fp_msix_cnt;
650                 info->msix = &cdev->int_params.msix_table[msix_base];
651         }
652
653         return 0;
654 }
655
656 static int qed_slowpath_setup_int(struct qed_dev *cdev,
657                                   enum qed_int_mode int_mode)
658 {
659         struct qed_sb_cnt_info sb_cnt_info;
660         int rc;
661         int i;
662
663         if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
664                 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
665                 return -EINVAL;
666         }
667
668         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
669         cdev->int_params.in.int_mode = int_mode;
670         for_each_hwfn(cdev, i) {
671                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
672                 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
673                 cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
674                 cdev->int_params.in.num_vectors++; /* slowpath */
675         }
676
677         /* We want a minimum of one slowpath and one fastpath vector per hwfn */
678         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
679
680         rc = qed_set_int_mode(cdev, false);
681         if (rc)  {
682                 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
683                 return rc;
684         }
685
686         cdev->int_params.fp_msix_base = cdev->num_hwfns;
687         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
688                                        cdev->num_hwfns;
689
690         return 0;
691 }
692
693 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
694 {
695         int rc;
696
697         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
698         cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
699
700         qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
701                             &cdev->int_params.in.num_vectors);
702         if (cdev->num_hwfns > 1) {
703                 u8 vectors = 0;
704
705                 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
706                 cdev->int_params.in.num_vectors += vectors;
707         }
708
709         /* We want a minimum of one fastpath vector per vf hwfn */
710         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
711
712         rc = qed_set_int_mode(cdev, true);
713         if (rc)
714                 return rc;
715
716         cdev->int_params.fp_msix_base = 0;
717         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
718
719         return 0;
720 }
721
722 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
723                    u8 *input_buf, u32 max_size, u8 *unzip_buf)
724 {
725         int rc;
726
727         p_hwfn->stream->next_in = input_buf;
728         p_hwfn->stream->avail_in = input_len;
729         p_hwfn->stream->next_out = unzip_buf;
730         p_hwfn->stream->avail_out = max_size;
731
732         rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
733
734         if (rc != Z_OK) {
735                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
736                            rc);
737                 return 0;
738         }
739
740         rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
741         zlib_inflateEnd(p_hwfn->stream);
742
743         if (rc != Z_OK && rc != Z_STREAM_END) {
744                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
745                            p_hwfn->stream->msg, rc);
746                 return 0;
747         }
748
749         return p_hwfn->stream->total_out / 4;
750 }
751
752 static int qed_alloc_stream_mem(struct qed_dev *cdev)
753 {
754         int i;
755         void *workspace;
756
757         for_each_hwfn(cdev, i) {
758                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
759
760                 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
761                 if (!p_hwfn->stream)
762                         return -ENOMEM;
763
764                 workspace = vzalloc(zlib_inflate_workspacesize());
765                 if (!workspace)
766                         return -ENOMEM;
767                 p_hwfn->stream->workspace = workspace;
768         }
769
770         return 0;
771 }
772
773 static void qed_free_stream_mem(struct qed_dev *cdev)
774 {
775         int i;
776
777         for_each_hwfn(cdev, i) {
778                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
779
780                 if (!p_hwfn->stream)
781                         return;
782
783                 vfree(p_hwfn->stream->workspace);
784                 kfree(p_hwfn->stream);
785         }
786 }
787
788 static void qed_update_pf_params(struct qed_dev *cdev,
789                                  struct qed_pf_params *params)
790 {
791         int i;
792
793         for (i = 0; i < cdev->num_hwfns; i++) {
794                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
795
796                 p_hwfn->pf_params = *params;
797         }
798 }
799
800 static int qed_slowpath_start(struct qed_dev *cdev,
801                               struct qed_slowpath_params *params)
802 {
803         struct qed_tunn_start_params tunn_info;
804         struct qed_mcp_drv_version drv_version;
805         const u8 *data = NULL;
806         struct qed_hwfn *hwfn;
807         int rc = -EINVAL;
808
809         if (qed_iov_wq_start(cdev))
810                 goto err;
811
812         if (IS_PF(cdev)) {
813                 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
814                                       &cdev->pdev->dev);
815                 if (rc) {
816                         DP_NOTICE(cdev,
817                                   "Failed to find fw file - /lib/firmware/%s\n",
818                                   QED_FW_FILE_NAME);
819                         goto err;
820                 }
821         }
822
823         rc = qed_nic_setup(cdev);
824         if (rc)
825                 goto err;
826
827         if (IS_PF(cdev))
828                 rc = qed_slowpath_setup_int(cdev, params->int_mode);
829         else
830                 rc = qed_slowpath_vf_setup_int(cdev);
831         if (rc)
832                 goto err1;
833
834         if (IS_PF(cdev)) {
835                 /* Allocate stream for unzipping */
836                 rc = qed_alloc_stream_mem(cdev);
837                 if (rc) {
838                         DP_NOTICE(cdev, "Failed to allocate stream memory\n");
839                         goto err2;
840                 }
841
842                 /* First Dword used to diffrentiate between various sources */
843                 data = cdev->firmware->data + sizeof(u32);
844         }
845
846         memset(&tunn_info, 0, sizeof(tunn_info));
847         tunn_info.tunn_mode |=  1 << QED_MODE_VXLAN_TUNN |
848                                 1 << QED_MODE_L2GRE_TUNN |
849                                 1 << QED_MODE_IPGRE_TUNN |
850                                 1 << QED_MODE_L2GENEVE_TUNN |
851                                 1 << QED_MODE_IPGENEVE_TUNN;
852
853         tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
854         tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
855         tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
856
857         /* Start the slowpath */
858         rc = qed_hw_init(cdev, &tunn_info, true,
859                          cdev->int_params.out.int_mode,
860                          true, data);
861         if (rc)
862                 goto err2;
863
864         DP_INFO(cdev,
865                 "HW initialization and function start completed successfully\n");
866
867         if (IS_PF(cdev)) {
868                 hwfn = QED_LEADING_HWFN(cdev);
869                 drv_version.version = (params->drv_major << 24) |
870                                       (params->drv_minor << 16) |
871                                       (params->drv_rev << 8) |
872                                       (params->drv_eng);
873                 strlcpy(drv_version.name, params->name,
874                         MCP_DRV_VER_STR_SIZE - 4);
875                 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
876                                               &drv_version);
877                 if (rc) {
878                         DP_NOTICE(cdev, "Failed sending drv version command\n");
879                         return rc;
880                 }
881         }
882
883         qed_reset_vport_stats(cdev);
884
885         return 0;
886
887 err2:
888         qed_hw_timers_stop_all(cdev);
889         if (IS_PF(cdev))
890                 qed_slowpath_irq_free(cdev);
891         qed_free_stream_mem(cdev);
892         qed_disable_msix(cdev);
893 err1:
894         qed_resc_free(cdev);
895 err:
896         if (IS_PF(cdev))
897                 release_firmware(cdev->firmware);
898
899         qed_iov_wq_stop(cdev, false);
900
901         return rc;
902 }
903
904 static int qed_slowpath_stop(struct qed_dev *cdev)
905 {
906         if (!cdev)
907                 return -ENODEV;
908
909         if (IS_PF(cdev)) {
910                 qed_free_stream_mem(cdev);
911                 if (IS_QED_ETH_IF(cdev))
912                         qed_sriov_disable(cdev, true);
913
914                 qed_nic_stop(cdev);
915                 qed_slowpath_irq_free(cdev);
916         }
917
918         qed_disable_msix(cdev);
919         qed_nic_reset(cdev);
920
921         qed_iov_wq_stop(cdev, true);
922
923         if (IS_PF(cdev))
924                 release_firmware(cdev->firmware);
925
926         return 0;
927 }
928
929 static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
930                        char ver_str[VER_SIZE])
931 {
932         int i;
933
934         memcpy(cdev->name, name, NAME_SIZE);
935         for_each_hwfn(cdev, i)
936                 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
937
938         memcpy(cdev->ver_str, ver_str, VER_SIZE);
939         cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
940 }
941
942 static u32 qed_sb_init(struct qed_dev *cdev,
943                        struct qed_sb_info *sb_info,
944                        void *sb_virt_addr,
945                        dma_addr_t sb_phy_addr, u16 sb_id,
946                        enum qed_sb_type type)
947 {
948         struct qed_hwfn *p_hwfn;
949         int hwfn_index;
950         u16 rel_sb_id;
951         u8 n_hwfns;
952         u32 rc;
953
954         /* RoCE uses single engine and CMT uses two engines. When using both
955          * we force only a single engine. Storage uses only engine 0 too.
956          */
957         if (type == QED_SB_TYPE_L2_QUEUE)
958                 n_hwfns = cdev->num_hwfns;
959         else
960                 n_hwfns = 1;
961
962         hwfn_index = sb_id % n_hwfns;
963         p_hwfn = &cdev->hwfns[hwfn_index];
964         rel_sb_id = sb_id / n_hwfns;
965
966         DP_VERBOSE(cdev, NETIF_MSG_INTR,
967                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
968                    hwfn_index, rel_sb_id, sb_id);
969
970         rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
971                              sb_virt_addr, sb_phy_addr, rel_sb_id);
972
973         return rc;
974 }
975
976 static u32 qed_sb_release(struct qed_dev *cdev,
977                           struct qed_sb_info *sb_info,
978                           u16 sb_id)
979 {
980         struct qed_hwfn *p_hwfn;
981         int hwfn_index;
982         u16 rel_sb_id;
983         u32 rc;
984
985         hwfn_index = sb_id % cdev->num_hwfns;
986         p_hwfn = &cdev->hwfns[hwfn_index];
987         rel_sb_id = sb_id / cdev->num_hwfns;
988
989         DP_VERBOSE(cdev, NETIF_MSG_INTR,
990                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
991                    hwfn_index, rel_sb_id, sb_id);
992
993         rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
994
995         return rc;
996 }
997
998 static bool qed_can_link_change(struct qed_dev *cdev)
999 {
1000         return true;
1001 }
1002
1003 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1004 {
1005         struct qed_hwfn *hwfn;
1006         struct qed_mcp_link_params *link_params;
1007         struct qed_ptt *ptt;
1008         int rc;
1009
1010         if (!cdev)
1011                 return -ENODEV;
1012
1013         if (IS_VF(cdev))
1014                 return 0;
1015
1016         /* The link should be set only once per PF */
1017         hwfn = &cdev->hwfns[0];
1018
1019         ptt = qed_ptt_acquire(hwfn);
1020         if (!ptt)
1021                 return -EBUSY;
1022
1023         link_params = qed_mcp_get_link_params(hwfn);
1024         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1025                 link_params->speed.autoneg = params->autoneg;
1026         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1027                 link_params->speed.advertised_speeds = 0;
1028                 if ((params->adv_speeds & SUPPORTED_1000baseT_Half) ||
1029                     (params->adv_speeds & SUPPORTED_1000baseT_Full))
1030                         link_params->speed.advertised_speeds |=
1031                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1032                 if (params->adv_speeds & SUPPORTED_10000baseKR_Full)
1033                         link_params->speed.advertised_speeds |=
1034                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1035                 if (params->adv_speeds & SUPPORTED_40000baseLR4_Full)
1036                         link_params->speed.advertised_speeds |=
1037                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1038                 if (params->adv_speeds & 0)
1039                         link_params->speed.advertised_speeds |=
1040                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1041                 if (params->adv_speeds & 0)
1042                         link_params->speed.advertised_speeds |=
1043                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1044         }
1045         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1046                 link_params->speed.forced_speed = params->forced_speed;
1047         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1048                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1049                         link_params->pause.autoneg = true;
1050                 else
1051                         link_params->pause.autoneg = false;
1052                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1053                         link_params->pause.forced_rx = true;
1054                 else
1055                         link_params->pause.forced_rx = false;
1056                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1057                         link_params->pause.forced_tx = true;
1058                 else
1059                         link_params->pause.forced_tx = false;
1060         }
1061         if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1062                 switch (params->loopback_mode) {
1063                 case QED_LINK_LOOPBACK_INT_PHY:
1064                         link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1065                         break;
1066                 case QED_LINK_LOOPBACK_EXT_PHY:
1067                         link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1068                         break;
1069                 case QED_LINK_LOOPBACK_EXT:
1070                         link_params->loopback_mode = ETH_LOOPBACK_EXT;
1071                         break;
1072                 case QED_LINK_LOOPBACK_MAC:
1073                         link_params->loopback_mode = ETH_LOOPBACK_MAC;
1074                         break;
1075                 default:
1076                         link_params->loopback_mode = ETH_LOOPBACK_NONE;
1077                         break;
1078                 }
1079         }
1080
1081         rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1082
1083         qed_ptt_release(hwfn, ptt);
1084
1085         return rc;
1086 }
1087
1088 static int qed_get_port_type(u32 media_type)
1089 {
1090         int port_type;
1091
1092         switch (media_type) {
1093         case MEDIA_SFPP_10G_FIBER:
1094         case MEDIA_SFP_1G_FIBER:
1095         case MEDIA_XFP_FIBER:
1096         case MEDIA_MODULE_FIBER:
1097         case MEDIA_KR:
1098                 port_type = PORT_FIBRE;
1099                 break;
1100         case MEDIA_DA_TWINAX:
1101                 port_type = PORT_DA;
1102                 break;
1103         case MEDIA_BASE_T:
1104                 port_type = PORT_TP;
1105                 break;
1106         case MEDIA_NOT_PRESENT:
1107                 port_type = PORT_NONE;
1108                 break;
1109         case MEDIA_UNSPECIFIED:
1110         default:
1111                 port_type = PORT_OTHER;
1112                 break;
1113         }
1114         return port_type;
1115 }
1116
1117 static int qed_get_link_data(struct qed_hwfn *hwfn,
1118                              struct qed_mcp_link_params *params,
1119                              struct qed_mcp_link_state *link,
1120                              struct qed_mcp_link_capabilities *link_caps)
1121 {
1122         void *p;
1123
1124         if (!IS_PF(hwfn->cdev)) {
1125                 qed_vf_get_link_params(hwfn, params);
1126                 qed_vf_get_link_state(hwfn, link);
1127                 qed_vf_get_link_caps(hwfn, link_caps);
1128
1129                 return 0;
1130         }
1131
1132         p = qed_mcp_get_link_params(hwfn);
1133         if (!p)
1134                 return -ENXIO;
1135         memcpy(params, p, sizeof(*params));
1136
1137         p = qed_mcp_get_link_state(hwfn);
1138         if (!p)
1139                 return -ENXIO;
1140         memcpy(link, p, sizeof(*link));
1141
1142         p = qed_mcp_get_link_capabilities(hwfn);
1143         if (!p)
1144                 return -ENXIO;
1145         memcpy(link_caps, p, sizeof(*link_caps));
1146
1147         return 0;
1148 }
1149
1150 static void qed_fill_link(struct qed_hwfn *hwfn,
1151                           struct qed_link_output *if_link)
1152 {
1153         struct qed_mcp_link_params params;
1154         struct qed_mcp_link_state link;
1155         struct qed_mcp_link_capabilities link_caps;
1156         u32 media_type;
1157
1158         memset(if_link, 0, sizeof(*if_link));
1159
1160         /* Prepare source inputs */
1161         if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1162                 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1163                 return;
1164         }
1165
1166         /* Set the link parameters to pass to protocol driver */
1167         if (link.link_up)
1168                 if_link->link_up = true;
1169
1170         /* TODO - at the moment assume supported and advertised speed equal */
1171         if_link->supported_caps = SUPPORTED_FIBRE;
1172         if (params.speed.autoneg)
1173                 if_link->supported_caps |= SUPPORTED_Autoneg;
1174         if (params.pause.autoneg ||
1175             (params.pause.forced_rx && params.pause.forced_tx))
1176                 if_link->supported_caps |= SUPPORTED_Asym_Pause;
1177         if (params.pause.autoneg || params.pause.forced_rx ||
1178             params.pause.forced_tx)
1179                 if_link->supported_caps |= SUPPORTED_Pause;
1180
1181         if_link->advertised_caps = if_link->supported_caps;
1182         if (params.speed.advertised_speeds &
1183             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1184                 if_link->advertised_caps |= SUPPORTED_1000baseT_Half |
1185                                            SUPPORTED_1000baseT_Full;
1186         if (params.speed.advertised_speeds &
1187             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1188                 if_link->advertised_caps |= SUPPORTED_10000baseKR_Full;
1189         if (params.speed.advertised_speeds &
1190                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1191                 if_link->advertised_caps |= SUPPORTED_40000baseLR4_Full;
1192         if (params.speed.advertised_speeds &
1193                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1194                 if_link->advertised_caps |= 0;
1195         if (params.speed.advertised_speeds &
1196             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1197                 if_link->advertised_caps |= 0;
1198
1199         if (link_caps.speed_capabilities &
1200             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1201                 if_link->supported_caps |= SUPPORTED_1000baseT_Half |
1202                                            SUPPORTED_1000baseT_Full;
1203         if (link_caps.speed_capabilities &
1204             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1205                 if_link->supported_caps |= SUPPORTED_10000baseKR_Full;
1206         if (link_caps.speed_capabilities &
1207                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1208                 if_link->supported_caps |= SUPPORTED_40000baseLR4_Full;
1209         if (link_caps.speed_capabilities &
1210                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1211                 if_link->supported_caps |= 0;
1212         if (link_caps.speed_capabilities &
1213             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1214                 if_link->supported_caps |= 0;
1215
1216         if (link.link_up)
1217                 if_link->speed = link.speed;
1218
1219         /* TODO - fill duplex properly */
1220         if_link->duplex = DUPLEX_FULL;
1221         qed_mcp_get_media_type(hwfn->cdev, &media_type);
1222         if_link->port = qed_get_port_type(media_type);
1223
1224         if_link->autoneg = params.speed.autoneg;
1225
1226         if (params.pause.autoneg)
1227                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1228         if (params.pause.forced_rx)
1229                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1230         if (params.pause.forced_tx)
1231                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1232
1233         /* Link partner capabilities */
1234         if (link.partner_adv_speed &
1235             QED_LINK_PARTNER_SPEED_1G_HD)
1236                 if_link->lp_caps |= SUPPORTED_1000baseT_Half;
1237         if (link.partner_adv_speed &
1238             QED_LINK_PARTNER_SPEED_1G_FD)
1239                 if_link->lp_caps |= SUPPORTED_1000baseT_Full;
1240         if (link.partner_adv_speed &
1241             QED_LINK_PARTNER_SPEED_10G)
1242                 if_link->lp_caps |= SUPPORTED_10000baseKR_Full;
1243         if (link.partner_adv_speed &
1244             QED_LINK_PARTNER_SPEED_40G)
1245                 if_link->lp_caps |= SUPPORTED_40000baseLR4_Full;
1246         if (link.partner_adv_speed &
1247             QED_LINK_PARTNER_SPEED_50G)
1248                 if_link->lp_caps |= 0;
1249         if (link.partner_adv_speed &
1250             QED_LINK_PARTNER_SPEED_100G)
1251                 if_link->lp_caps |= 0;
1252
1253         if (link.an_complete)
1254                 if_link->lp_caps |= SUPPORTED_Autoneg;
1255
1256         if (link.partner_adv_pause)
1257                 if_link->lp_caps |= SUPPORTED_Pause;
1258         if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1259             link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1260                 if_link->lp_caps |= SUPPORTED_Asym_Pause;
1261 }
1262
1263 static void qed_get_current_link(struct qed_dev *cdev,
1264                                  struct qed_link_output *if_link)
1265 {
1266         int i;
1267
1268         qed_fill_link(&cdev->hwfns[0], if_link);
1269
1270         for_each_hwfn(cdev, i)
1271                 qed_inform_vf_link_state(&cdev->hwfns[i]);
1272 }
1273
1274 void qed_link_update(struct qed_hwfn *hwfn)
1275 {
1276         void *cookie = hwfn->cdev->ops_cookie;
1277         struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1278         struct qed_link_output if_link;
1279
1280         qed_fill_link(hwfn, &if_link);
1281         qed_inform_vf_link_state(hwfn);
1282
1283         if (IS_LEAD_HWFN(hwfn) && cookie)
1284                 op->link_update(cookie, &if_link);
1285 }
1286
1287 static int qed_drain(struct qed_dev *cdev)
1288 {
1289         struct qed_hwfn *hwfn;
1290         struct qed_ptt *ptt;
1291         int i, rc;
1292
1293         if (IS_VF(cdev))
1294                 return 0;
1295
1296         for_each_hwfn(cdev, i) {
1297                 hwfn = &cdev->hwfns[i];
1298                 ptt = qed_ptt_acquire(hwfn);
1299                 if (!ptt) {
1300                         DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1301                         return -EBUSY;
1302                 }
1303                 rc = qed_mcp_drain(hwfn, ptt);
1304                 if (rc)
1305                         return rc;
1306                 qed_ptt_release(hwfn, ptt);
1307         }
1308
1309         return 0;
1310 }
1311
1312 static void qed_get_coalesce(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal)
1313 {
1314         *rx_coal = cdev->rx_coalesce_usecs;
1315         *tx_coal = cdev->tx_coalesce_usecs;
1316 }
1317
1318 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
1319                             u8 qid, u16 sb_id)
1320 {
1321         struct qed_hwfn *hwfn;
1322         struct qed_ptt *ptt;
1323         int hwfn_index;
1324         int status = 0;
1325
1326         hwfn_index = qid % cdev->num_hwfns;
1327         hwfn = &cdev->hwfns[hwfn_index];
1328         ptt = qed_ptt_acquire(hwfn);
1329         if (!ptt)
1330                 return -EAGAIN;
1331
1332         status = qed_set_rxq_coalesce(hwfn, ptt, rx_coal,
1333                                       qid / cdev->num_hwfns, sb_id);
1334         if (status)
1335                 goto out;
1336         status = qed_set_txq_coalesce(hwfn, ptt, tx_coal,
1337                                       qid / cdev->num_hwfns, sb_id);
1338 out:
1339         qed_ptt_release(hwfn, ptt);
1340
1341         return status;
1342 }
1343
1344 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
1345 {
1346         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1347         struct qed_ptt *ptt;
1348         int status = 0;
1349
1350         ptt = qed_ptt_acquire(hwfn);
1351         if (!ptt)
1352                 return -EAGAIN;
1353
1354         status = qed_mcp_set_led(hwfn, ptt, mode);
1355
1356         qed_ptt_release(hwfn, ptt);
1357
1358         return status;
1359 }
1360
1361 struct qed_selftest_ops qed_selftest_ops_pass = {
1362         .selftest_memory = &qed_selftest_memory,
1363         .selftest_interrupt = &qed_selftest_interrupt,
1364         .selftest_register = &qed_selftest_register,
1365         .selftest_clock = &qed_selftest_clock,
1366 };
1367
1368 const struct qed_common_ops qed_common_ops_pass = {
1369         .selftest = &qed_selftest_ops_pass,
1370         .probe = &qed_probe,
1371         .remove = &qed_remove,
1372         .set_power_state = &qed_set_power_state,
1373         .set_id = &qed_set_id,
1374         .update_pf_params = &qed_update_pf_params,
1375         .slowpath_start = &qed_slowpath_start,
1376         .slowpath_stop = &qed_slowpath_stop,
1377         .set_fp_int = &qed_set_int_fp,
1378         .get_fp_int = &qed_get_int_fp,
1379         .sb_init = &qed_sb_init,
1380         .sb_release = &qed_sb_release,
1381         .simd_handler_config = &qed_simd_handler_config,
1382         .simd_handler_clean = &qed_simd_handler_clean,
1383         .can_link_change = &qed_can_link_change,
1384         .set_link = &qed_set_link,
1385         .get_link = &qed_get_current_link,
1386         .drain = &qed_drain,
1387         .update_msglvl = &qed_init_dp,
1388         .chain_alloc = &qed_chain_alloc,
1389         .chain_free = &qed_chain_free,
1390         .get_coalesce = &qed_get_coalesce,
1391         .set_coalesce = &qed_set_coalesce,
1392         .set_led = &qed_set_led,
1393 };