s390/vdso: drop unnecessary cc-ldoption
[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_main.c
1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32
33 #include <linux/stddef.h>
34 #include <linux/pci.h>
35 #include <linux/kernel.h>
36 #include <linux/slab.h>
37 #include <linux/delay.h>
38 #include <asm/byteorder.h>
39 #include <linux/dma-mapping.h>
40 #include <linux/string.h>
41 #include <linux/module.h>
42 #include <linux/interrupt.h>
43 #include <linux/workqueue.h>
44 #include <linux/ethtool.h>
45 #include <linux/etherdevice.h>
46 #include <linux/vmalloc.h>
47 #include <linux/crash_dump.h>
48 #include <linux/crc32.h>
49 #include <linux/qed/qed_if.h>
50 #include <linux/qed/qed_ll2_if.h>
51
52 #include "qed.h"
53 #include "qed_sriov.h"
54 #include "qed_sp.h"
55 #include "qed_dev_api.h"
56 #include "qed_ll2.h"
57 #include "qed_fcoe.h"
58 #include "qed_iscsi.h"
59
60 #include "qed_mcp.h"
61 #include "qed_reg_addr.h"
62 #include "qed_hw.h"
63 #include "qed_selftest.h"
64 #include "qed_debug.h"
65
66 #define QED_ROCE_QPS                    (8192)
67 #define QED_ROCE_DPIS                   (8)
68 #define QED_RDMA_SRQS                   QED_ROCE_QPS
69
70 static char version[] =
71         "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
72
73 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
74 MODULE_LICENSE("GPL");
75 MODULE_VERSION(DRV_MODULE_VERSION);
76
77 #define FW_FILE_VERSION                         \
78         __stringify(FW_MAJOR_VERSION) "."       \
79         __stringify(FW_MINOR_VERSION) "."       \
80         __stringify(FW_REVISION_VERSION) "."    \
81         __stringify(FW_ENGINEERING_VERSION)
82
83 #define QED_FW_FILE_NAME        \
84         "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
85
86 MODULE_FIRMWARE(QED_FW_FILE_NAME);
87
88 static int __init qed_init(void)
89 {
90         pr_info("%s", version);
91
92         return 0;
93 }
94
95 static void __exit qed_cleanup(void)
96 {
97         pr_notice("qed_cleanup called\n");
98 }
99
100 module_init(qed_init);
101 module_exit(qed_cleanup);
102
103 /* Check if the DMA controller on the machine can properly handle the DMA
104  * addressing required by the device.
105 */
106 static int qed_set_coherency_mask(struct qed_dev *cdev)
107 {
108         struct device *dev = &cdev->pdev->dev;
109
110         if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
111                 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
112                         DP_NOTICE(cdev,
113                                   "Can't request 64-bit consistent allocations\n");
114                         return -EIO;
115                 }
116         } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
117                 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
118                 return -EIO;
119         }
120
121         return 0;
122 }
123
124 static void qed_free_pci(struct qed_dev *cdev)
125 {
126         struct pci_dev *pdev = cdev->pdev;
127
128         if (cdev->doorbells && cdev->db_size)
129                 iounmap(cdev->doorbells);
130         if (cdev->regview)
131                 iounmap(cdev->regview);
132         if (atomic_read(&pdev->enable_cnt) == 1)
133                 pci_release_regions(pdev);
134
135         pci_disable_device(pdev);
136 }
137
138 #define PCI_REVISION_ID_ERROR_VAL       0xff
139
140 /* Performs PCI initializations as well as initializing PCI-related parameters
141  * in the device structrue. Returns 0 in case of success.
142  */
143 static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
144 {
145         u8 rev_id;
146         int rc;
147
148         cdev->pdev = pdev;
149
150         rc = pci_enable_device(pdev);
151         if (rc) {
152                 DP_NOTICE(cdev, "Cannot enable PCI device\n");
153                 goto err0;
154         }
155
156         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
157                 DP_NOTICE(cdev, "No memory region found in bar #0\n");
158                 rc = -EIO;
159                 goto err1;
160         }
161
162         if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
163                 DP_NOTICE(cdev, "No memory region found in bar #2\n");
164                 rc = -EIO;
165                 goto err1;
166         }
167
168         if (atomic_read(&pdev->enable_cnt) == 1) {
169                 rc = pci_request_regions(pdev, "qed");
170                 if (rc) {
171                         DP_NOTICE(cdev,
172                                   "Failed to request PCI memory resources\n");
173                         goto err1;
174                 }
175                 pci_set_master(pdev);
176                 pci_save_state(pdev);
177         }
178
179         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
180         if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
181                 DP_NOTICE(cdev,
182                           "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
183                           rev_id);
184                 rc = -ENODEV;
185                 goto err2;
186         }
187         if (!pci_is_pcie(pdev)) {
188                 DP_NOTICE(cdev, "The bus is not PCI Express\n");
189                 rc = -EIO;
190                 goto err2;
191         }
192
193         cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
194         if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
195                 DP_NOTICE(cdev, "Cannot find power management capability\n");
196
197         rc = qed_set_coherency_mask(cdev);
198         if (rc)
199                 goto err2;
200
201         cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
202         cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
203         cdev->pci_params.irq = pdev->irq;
204
205         cdev->regview = pci_ioremap_bar(pdev, 0);
206         if (!cdev->regview) {
207                 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
208                 rc = -ENOMEM;
209                 goto err2;
210         }
211
212         cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
213         cdev->db_size = pci_resource_len(cdev->pdev, 2);
214         if (!cdev->db_size) {
215                 if (IS_PF(cdev)) {
216                         DP_NOTICE(cdev, "No Doorbell bar available\n");
217                         return -EINVAL;
218                 } else {
219                         return 0;
220                 }
221         }
222
223         cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
224
225         if (!cdev->doorbells) {
226                 DP_NOTICE(cdev, "Cannot map doorbell space\n");
227                 return -ENOMEM;
228         }
229
230         return 0;
231
232 err2:
233         pci_release_regions(pdev);
234 err1:
235         pci_disable_device(pdev);
236 err0:
237         return rc;
238 }
239
240 int qed_fill_dev_info(struct qed_dev *cdev,
241                       struct qed_dev_info *dev_info)
242 {
243         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
244         struct qed_hw_info *hw_info = &p_hwfn->hw_info;
245         struct qed_tunnel_info *tun = &cdev->tunnel;
246         struct qed_ptt  *ptt;
247
248         memset(dev_info, 0, sizeof(struct qed_dev_info));
249
250         if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
251             tun->vxlan.b_mode_enabled)
252                 dev_info->vxlan_enable = true;
253
254         if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
255             tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
256             tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
257                 dev_info->gre_enable = true;
258
259         if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
260             tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
261             tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
262                 dev_info->geneve_enable = true;
263
264         dev_info->num_hwfns = cdev->num_hwfns;
265         dev_info->pci_mem_start = cdev->pci_params.mem_start;
266         dev_info->pci_mem_end = cdev->pci_params.mem_end;
267         dev_info->pci_irq = cdev->pci_params.irq;
268         dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
269         dev_info->dev_type = cdev->type;
270         ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
271
272         if (IS_PF(cdev)) {
273                 dev_info->fw_major = FW_MAJOR_VERSION;
274                 dev_info->fw_minor = FW_MINOR_VERSION;
275                 dev_info->fw_rev = FW_REVISION_VERSION;
276                 dev_info->fw_eng = FW_ENGINEERING_VERSION;
277                 dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
278                                                        &cdev->mf_bits);
279                 dev_info->tx_switching = true;
280
281                 if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
282                         dev_info->wol_support = true;
283
284                 dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
285
286                 dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
287         } else {
288                 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
289                                       &dev_info->fw_minor, &dev_info->fw_rev,
290                                       &dev_info->fw_eng);
291         }
292
293         if (IS_PF(cdev)) {
294                 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
295                 if (ptt) {
296                         qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
297                                             &dev_info->mfw_rev, NULL);
298
299                         qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
300                                             &dev_info->mbi_version);
301
302                         qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
303                                                &dev_info->flash_size);
304
305                         qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
306                 }
307         } else {
308                 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
309                                     &dev_info->mfw_rev, NULL);
310         }
311
312         dev_info->mtu = hw_info->mtu;
313
314         return 0;
315 }
316
317 static void qed_free_cdev(struct qed_dev *cdev)
318 {
319         kfree((void *)cdev);
320 }
321
322 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
323 {
324         struct qed_dev *cdev;
325
326         cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
327         if (!cdev)
328                 return cdev;
329
330         qed_init_struct(cdev);
331
332         return cdev;
333 }
334
335 /* Sets the requested power state */
336 static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
337 {
338         if (!cdev)
339                 return -ENODEV;
340
341         DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
342         return 0;
343 }
344
345 /* probing */
346 static struct qed_dev *qed_probe(struct pci_dev *pdev,
347                                  struct qed_probe_params *params)
348 {
349         struct qed_dev *cdev;
350         int rc;
351
352         cdev = qed_alloc_cdev(pdev);
353         if (!cdev)
354                 goto err0;
355
356         cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
357         cdev->protocol = params->protocol;
358
359         if (params->is_vf)
360                 cdev->b_is_vf = true;
361
362         qed_init_dp(cdev, params->dp_module, params->dp_level);
363
364         cdev->recov_in_prog = params->recov_in_prog;
365
366         rc = qed_init_pci(cdev, pdev);
367         if (rc) {
368                 DP_ERR(cdev, "init pci failed\n");
369                 goto err1;
370         }
371         DP_INFO(cdev, "PCI init completed successfully\n");
372
373         rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
374         if (rc) {
375                 DP_ERR(cdev, "hw prepare failed\n");
376                 goto err2;
377         }
378
379         DP_INFO(cdev, "qed_probe completed successfully\n");
380
381         return cdev;
382
383 err2:
384         qed_free_pci(cdev);
385 err1:
386         qed_free_cdev(cdev);
387 err0:
388         return NULL;
389 }
390
391 static void qed_remove(struct qed_dev *cdev)
392 {
393         if (!cdev)
394                 return;
395
396         qed_hw_remove(cdev);
397
398         qed_free_pci(cdev);
399
400         qed_set_power_state(cdev, PCI_D3hot);
401
402         qed_free_cdev(cdev);
403 }
404
405 static void qed_disable_msix(struct qed_dev *cdev)
406 {
407         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
408                 pci_disable_msix(cdev->pdev);
409                 kfree(cdev->int_params.msix_table);
410         } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
411                 pci_disable_msi(cdev->pdev);
412         }
413
414         memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
415 }
416
417 static int qed_enable_msix(struct qed_dev *cdev,
418                            struct qed_int_params *int_params)
419 {
420         int i, rc, cnt;
421
422         cnt = int_params->in.num_vectors;
423
424         for (i = 0; i < cnt; i++)
425                 int_params->msix_table[i].entry = i;
426
427         rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
428                                    int_params->in.min_msix_cnt, cnt);
429         if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
430             (rc % cdev->num_hwfns)) {
431                 pci_disable_msix(cdev->pdev);
432
433                 /* If fastpath is initialized, we need at least one interrupt
434                  * per hwfn [and the slow path interrupts]. New requested number
435                  * should be a multiple of the number of hwfns.
436                  */
437                 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
438                 DP_NOTICE(cdev,
439                           "Trying to enable MSI-X with less vectors (%d out of %d)\n",
440                           cnt, int_params->in.num_vectors);
441                 rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
442                                            cnt);
443                 if (!rc)
444                         rc = cnt;
445         }
446
447         if (rc > 0) {
448                 /* MSI-x configuration was achieved */
449                 int_params->out.int_mode = QED_INT_MODE_MSIX;
450                 int_params->out.num_vectors = rc;
451                 rc = 0;
452         } else {
453                 DP_NOTICE(cdev,
454                           "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
455                           cnt, rc);
456         }
457
458         return rc;
459 }
460
461 /* This function outputs the int mode and the number of enabled msix vector */
462 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
463 {
464         struct qed_int_params *int_params = &cdev->int_params;
465         struct msix_entry *tbl;
466         int rc = 0, cnt;
467
468         switch (int_params->in.int_mode) {
469         case QED_INT_MODE_MSIX:
470                 /* Allocate MSIX table */
471                 cnt = int_params->in.num_vectors;
472                 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
473                 if (!int_params->msix_table) {
474                         rc = -ENOMEM;
475                         goto out;
476                 }
477
478                 /* Enable MSIX */
479                 rc = qed_enable_msix(cdev, int_params);
480                 if (!rc)
481                         goto out;
482
483                 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
484                 kfree(int_params->msix_table);
485                 if (force_mode)
486                         goto out;
487                 /* Fallthrough */
488
489         case QED_INT_MODE_MSI:
490                 if (cdev->num_hwfns == 1) {
491                         rc = pci_enable_msi(cdev->pdev);
492                         if (!rc) {
493                                 int_params->out.int_mode = QED_INT_MODE_MSI;
494                                 goto out;
495                         }
496
497                         DP_NOTICE(cdev, "Failed to enable MSI\n");
498                         if (force_mode)
499                                 goto out;
500                 }
501                 /* Fallthrough */
502
503         case QED_INT_MODE_INTA:
504                         int_params->out.int_mode = QED_INT_MODE_INTA;
505                         rc = 0;
506                         goto out;
507         default:
508                 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
509                           int_params->in.int_mode);
510                 rc = -EINVAL;
511         }
512
513 out:
514         if (!rc)
515                 DP_INFO(cdev, "Using %s interrupts\n",
516                         int_params->out.int_mode == QED_INT_MODE_INTA ?
517                         "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
518                         "MSI" : "MSIX");
519         cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
520
521         return rc;
522 }
523
524 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
525                                     int index, void(*handler)(void *))
526 {
527         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
528         int relative_idx = index / cdev->num_hwfns;
529
530         hwfn->simd_proto_handler[relative_idx].func = handler;
531         hwfn->simd_proto_handler[relative_idx].token = token;
532 }
533
534 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
535 {
536         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
537         int relative_idx = index / cdev->num_hwfns;
538
539         memset(&hwfn->simd_proto_handler[relative_idx], 0,
540                sizeof(struct qed_simd_fp_handler));
541 }
542
543 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
544 {
545         tasklet_schedule((struct tasklet_struct *)tasklet);
546         return IRQ_HANDLED;
547 }
548
549 static irqreturn_t qed_single_int(int irq, void *dev_instance)
550 {
551         struct qed_dev *cdev = (struct qed_dev *)dev_instance;
552         struct qed_hwfn *hwfn;
553         irqreturn_t rc = IRQ_NONE;
554         u64 status;
555         int i, j;
556
557         for (i = 0; i < cdev->num_hwfns; i++) {
558                 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
559
560                 if (!status)
561                         continue;
562
563                 hwfn = &cdev->hwfns[i];
564
565                 /* Slowpath interrupt */
566                 if (unlikely(status & 0x1)) {
567                         tasklet_schedule(hwfn->sp_dpc);
568                         status &= ~0x1;
569                         rc = IRQ_HANDLED;
570                 }
571
572                 /* Fastpath interrupts */
573                 for (j = 0; j < 64; j++) {
574                         if ((0x2ULL << j) & status) {
575                                 struct qed_simd_fp_handler *p_handler =
576                                         &hwfn->simd_proto_handler[j];
577
578                                 if (p_handler->func)
579                                         p_handler->func(p_handler->token);
580                                 else
581                                         DP_NOTICE(hwfn,
582                                                   "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
583                                                   j, status);
584
585                                 status &= ~(0x2ULL << j);
586                                 rc = IRQ_HANDLED;
587                         }
588                 }
589
590                 if (unlikely(status))
591                         DP_VERBOSE(hwfn, NETIF_MSG_INTR,
592                                    "got an unknown interrupt status 0x%llx\n",
593                                    status);
594         }
595
596         return rc;
597 }
598
599 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
600 {
601         struct qed_dev *cdev = hwfn->cdev;
602         u32 int_mode;
603         int rc = 0;
604         u8 id;
605
606         int_mode = cdev->int_params.out.int_mode;
607         if (int_mode == QED_INT_MODE_MSIX) {
608                 id = hwfn->my_id;
609                 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
610                          id, cdev->pdev->bus->number,
611                          PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
612                 rc = request_irq(cdev->int_params.msix_table[id].vector,
613                                  qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
614         } else {
615                 unsigned long flags = 0;
616
617                 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
618                          cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
619                          PCI_FUNC(cdev->pdev->devfn));
620
621                 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
622                         flags |= IRQF_SHARED;
623
624                 rc = request_irq(cdev->pdev->irq, qed_single_int,
625                                  flags, cdev->name, cdev);
626         }
627
628         if (rc)
629                 DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
630         else
631                 DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
632                            "Requested slowpath %s\n",
633                            (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
634
635         return rc;
636 }
637
638 static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
639 {
640         /* Calling the disable function will make sure that any
641          * currently-running function is completed. The following call to the
642          * enable function makes this sequence a flush-like operation.
643          */
644         if (p_hwfn->b_sp_dpc_enabled) {
645                 tasklet_disable(p_hwfn->sp_dpc);
646                 tasklet_enable(p_hwfn->sp_dpc);
647         }
648 }
649
650 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
651 {
652         struct qed_dev *cdev = p_hwfn->cdev;
653         u8 id = p_hwfn->my_id;
654         u32 int_mode;
655
656         int_mode = cdev->int_params.out.int_mode;
657         if (int_mode == QED_INT_MODE_MSIX)
658                 synchronize_irq(cdev->int_params.msix_table[id].vector);
659         else
660                 synchronize_irq(cdev->pdev->irq);
661
662         qed_slowpath_tasklet_flush(p_hwfn);
663 }
664
665 static void qed_slowpath_irq_free(struct qed_dev *cdev)
666 {
667         int i;
668
669         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
670                 for_each_hwfn(cdev, i) {
671                         if (!cdev->hwfns[i].b_int_requested)
672                                 break;
673                         synchronize_irq(cdev->int_params.msix_table[i].vector);
674                         free_irq(cdev->int_params.msix_table[i].vector,
675                                  cdev->hwfns[i].sp_dpc);
676                 }
677         } else {
678                 if (QED_LEADING_HWFN(cdev)->b_int_requested)
679                         free_irq(cdev->pdev->irq, cdev);
680         }
681         qed_int_disable_post_isr_release(cdev);
682 }
683
684 static int qed_nic_stop(struct qed_dev *cdev)
685 {
686         int i, rc;
687
688         rc = qed_hw_stop(cdev);
689
690         for (i = 0; i < cdev->num_hwfns; i++) {
691                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
692
693                 if (p_hwfn->b_sp_dpc_enabled) {
694                         tasklet_disable(p_hwfn->sp_dpc);
695                         p_hwfn->b_sp_dpc_enabled = false;
696                         DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
697                                    "Disabled sp tasklet [hwfn %d] at %p\n",
698                                    i, p_hwfn->sp_dpc);
699                 }
700         }
701
702         qed_dbg_pf_exit(cdev);
703
704         return rc;
705 }
706
707 static int qed_nic_setup(struct qed_dev *cdev)
708 {
709         int rc, i;
710
711         /* Determine if interface is going to require LL2 */
712         if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
713                 for (i = 0; i < cdev->num_hwfns; i++) {
714                         struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
715
716                         p_hwfn->using_ll2 = true;
717                 }
718         }
719
720         rc = qed_resc_alloc(cdev);
721         if (rc)
722                 return rc;
723
724         DP_INFO(cdev, "Allocated qed resources\n");
725
726         qed_resc_setup(cdev);
727
728         return rc;
729 }
730
731 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
732 {
733         int limit = 0;
734
735         /* Mark the fastpath as free/used */
736         cdev->int_params.fp_initialized = cnt ? true : false;
737
738         if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
739                 limit = cdev->num_hwfns * 63;
740         else if (cdev->int_params.fp_msix_cnt)
741                 limit = cdev->int_params.fp_msix_cnt;
742
743         if (!limit)
744                 return -ENOMEM;
745
746         return min_t(int, cnt, limit);
747 }
748
749 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
750 {
751         memset(info, 0, sizeof(struct qed_int_info));
752
753         if (!cdev->int_params.fp_initialized) {
754                 DP_INFO(cdev,
755                         "Protocol driver requested interrupt information, but its support is not yet configured\n");
756                 return -EINVAL;
757         }
758
759         /* Need to expose only MSI-X information; Single IRQ is handled solely
760          * by qed.
761          */
762         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
763                 int msix_base = cdev->int_params.fp_msix_base;
764
765                 info->msix_cnt = cdev->int_params.fp_msix_cnt;
766                 info->msix = &cdev->int_params.msix_table[msix_base];
767         }
768
769         return 0;
770 }
771
772 static int qed_slowpath_setup_int(struct qed_dev *cdev,
773                                   enum qed_int_mode int_mode)
774 {
775         struct qed_sb_cnt_info sb_cnt_info;
776         int num_l2_queues = 0;
777         int rc;
778         int i;
779
780         if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
781                 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
782                 return -EINVAL;
783         }
784
785         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
786         cdev->int_params.in.int_mode = int_mode;
787         for_each_hwfn(cdev, i) {
788                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
789                 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
790                 cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
791                 cdev->int_params.in.num_vectors++; /* slowpath */
792         }
793
794         /* We want a minimum of one slowpath and one fastpath vector per hwfn */
795         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
796
797         if (is_kdump_kernel()) {
798                 DP_INFO(cdev,
799                         "Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
800                         cdev->int_params.in.min_msix_cnt);
801                 cdev->int_params.in.num_vectors =
802                         cdev->int_params.in.min_msix_cnt;
803         }
804
805         rc = qed_set_int_mode(cdev, false);
806         if (rc)  {
807                 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
808                 return rc;
809         }
810
811         cdev->int_params.fp_msix_base = cdev->num_hwfns;
812         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
813                                        cdev->num_hwfns;
814
815         if (!IS_ENABLED(CONFIG_QED_RDMA) ||
816             !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
817                 return 0;
818
819         for_each_hwfn(cdev, i)
820                 num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
821
822         DP_VERBOSE(cdev, QED_MSG_RDMA,
823                    "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
824                    cdev->int_params.fp_msix_cnt, num_l2_queues);
825
826         if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
827                 cdev->int_params.rdma_msix_cnt =
828                         (cdev->int_params.fp_msix_cnt - num_l2_queues)
829                         / cdev->num_hwfns;
830                 cdev->int_params.rdma_msix_base =
831                         cdev->int_params.fp_msix_base + num_l2_queues;
832                 cdev->int_params.fp_msix_cnt = num_l2_queues;
833         } else {
834                 cdev->int_params.rdma_msix_cnt = 0;
835         }
836
837         DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
838                    cdev->int_params.rdma_msix_cnt,
839                    cdev->int_params.rdma_msix_base);
840
841         return 0;
842 }
843
844 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
845 {
846         int rc;
847
848         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
849         cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
850
851         qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
852                             &cdev->int_params.in.num_vectors);
853         if (cdev->num_hwfns > 1) {
854                 u8 vectors = 0;
855
856                 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
857                 cdev->int_params.in.num_vectors += vectors;
858         }
859
860         /* We want a minimum of one fastpath vector per vf hwfn */
861         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
862
863         rc = qed_set_int_mode(cdev, true);
864         if (rc)
865                 return rc;
866
867         cdev->int_params.fp_msix_base = 0;
868         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
869
870         return 0;
871 }
872
873 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
874                    u8 *input_buf, u32 max_size, u8 *unzip_buf)
875 {
876         int rc;
877
878         p_hwfn->stream->next_in = input_buf;
879         p_hwfn->stream->avail_in = input_len;
880         p_hwfn->stream->next_out = unzip_buf;
881         p_hwfn->stream->avail_out = max_size;
882
883         rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
884
885         if (rc != Z_OK) {
886                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
887                            rc);
888                 return 0;
889         }
890
891         rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
892         zlib_inflateEnd(p_hwfn->stream);
893
894         if (rc != Z_OK && rc != Z_STREAM_END) {
895                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
896                            p_hwfn->stream->msg, rc);
897                 return 0;
898         }
899
900         return p_hwfn->stream->total_out / 4;
901 }
902
903 static int qed_alloc_stream_mem(struct qed_dev *cdev)
904 {
905         int i;
906         void *workspace;
907
908         for_each_hwfn(cdev, i) {
909                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
910
911                 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
912                 if (!p_hwfn->stream)
913                         return -ENOMEM;
914
915                 workspace = vzalloc(zlib_inflate_workspacesize());
916                 if (!workspace)
917                         return -ENOMEM;
918                 p_hwfn->stream->workspace = workspace;
919         }
920
921         return 0;
922 }
923
924 static void qed_free_stream_mem(struct qed_dev *cdev)
925 {
926         int i;
927
928         for_each_hwfn(cdev, i) {
929                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
930
931                 if (!p_hwfn->stream)
932                         return;
933
934                 vfree(p_hwfn->stream->workspace);
935                 kfree(p_hwfn->stream);
936         }
937 }
938
939 static void qed_update_pf_params(struct qed_dev *cdev,
940                                  struct qed_pf_params *params)
941 {
942         int i;
943
944         if (IS_ENABLED(CONFIG_QED_RDMA)) {
945                 params->rdma_pf_params.num_qps = QED_ROCE_QPS;
946                 params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
947                 params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
948                 /* divide by 3 the MRs to avoid MF ILT overflow */
949                 params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
950         }
951
952         if (cdev->num_hwfns > 1 || IS_VF(cdev))
953                 params->eth_pf_params.num_arfs_filters = 0;
954
955         /* In case we might support RDMA, don't allow qede to be greedy
956          * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
957          * per hwfn.
958          */
959         if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
960                 u16 *num_cons;
961
962                 num_cons = &params->eth_pf_params.num_cons;
963                 *num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
964         }
965
966         for (i = 0; i < cdev->num_hwfns; i++) {
967                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
968
969                 p_hwfn->pf_params = *params;
970         }
971 }
972
973 #define QED_PERIODIC_DB_REC_COUNT               100
974 #define QED_PERIODIC_DB_REC_INTERVAL_MS         100
975 #define QED_PERIODIC_DB_REC_INTERVAL \
976         msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
977 #define QED_PERIODIC_DB_REC_WAIT_COUNT          10
978 #define QED_PERIODIC_DB_REC_WAIT_INTERVAL \
979         (QED_PERIODIC_DB_REC_INTERVAL_MS / QED_PERIODIC_DB_REC_WAIT_COUNT)
980
981 static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
982                                      enum qed_slowpath_wq_flag wq_flag,
983                                      unsigned long delay)
984 {
985         if (!hwfn->slowpath_wq_active)
986                 return -EINVAL;
987
988         /* Memory barrier for setting atomic bit */
989         smp_mb__before_atomic();
990         set_bit(wq_flag, &hwfn->slowpath_task_flags);
991         smp_mb__after_atomic();
992         queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
993
994         return 0;
995 }
996
997 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
998 {
999         /* Reset periodic Doorbell Recovery counter */
1000         p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1001
1002         /* Don't schedule periodic Doorbell Recovery if already scheduled */
1003         if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1004                      &p_hwfn->slowpath_task_flags))
1005                 return;
1006
1007         qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1008                                   QED_PERIODIC_DB_REC_INTERVAL);
1009 }
1010
1011 static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1012 {
1013         int i, sleep_count = QED_PERIODIC_DB_REC_WAIT_COUNT;
1014
1015         if (IS_VF(cdev))
1016                 return;
1017
1018         for_each_hwfn(cdev, i) {
1019                 if (!cdev->hwfns[i].slowpath_wq)
1020                         continue;
1021
1022                 /* Stop queuing new delayed works */
1023                 cdev->hwfns[i].slowpath_wq_active = false;
1024
1025                 /* Wait until the last periodic doorbell recovery is executed */
1026                 while (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1027                                 &cdev->hwfns[i].slowpath_task_flags) &&
1028                        sleep_count--)
1029                         msleep(QED_PERIODIC_DB_REC_WAIT_INTERVAL);
1030
1031                 flush_workqueue(cdev->hwfns[i].slowpath_wq);
1032                 destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1033         }
1034 }
1035
1036 static void qed_slowpath_task(struct work_struct *work)
1037 {
1038         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1039                                              slowpath_task.work);
1040         struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1041
1042         if (!ptt) {
1043                 if (hwfn->slowpath_wq_active)
1044                         queue_delayed_work(hwfn->slowpath_wq,
1045                                            &hwfn->slowpath_task, 0);
1046
1047                 return;
1048         }
1049
1050         if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1051                                &hwfn->slowpath_task_flags))
1052                 qed_mfw_process_tlv_req(hwfn, ptt);
1053
1054         if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1055                                &hwfn->slowpath_task_flags)) {
1056                 qed_db_rec_handler(hwfn, ptt);
1057                 if (hwfn->periodic_db_rec_count--)
1058                         qed_slowpath_delayed_work(hwfn,
1059                                                   QED_SLOWPATH_PERIODIC_DB_REC,
1060                                                   QED_PERIODIC_DB_REC_INTERVAL);
1061         }
1062
1063         qed_ptt_release(hwfn, ptt);
1064 }
1065
1066 static int qed_slowpath_wq_start(struct qed_dev *cdev)
1067 {
1068         struct qed_hwfn *hwfn;
1069         char name[NAME_SIZE];
1070         int i;
1071
1072         if (IS_VF(cdev))
1073                 return 0;
1074
1075         for_each_hwfn(cdev, i) {
1076                 hwfn = &cdev->hwfns[i];
1077
1078                 snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1079                          cdev->pdev->bus->number,
1080                          PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1081
1082                 hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1083                 if (!hwfn->slowpath_wq) {
1084                         DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1085                         return -ENOMEM;
1086                 }
1087
1088                 INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1089                 hwfn->slowpath_wq_active = true;
1090         }
1091
1092         return 0;
1093 }
1094
1095 static int qed_slowpath_start(struct qed_dev *cdev,
1096                               struct qed_slowpath_params *params)
1097 {
1098         struct qed_drv_load_params drv_load_params;
1099         struct qed_hw_init_params hw_init_params;
1100         struct qed_mcp_drv_version drv_version;
1101         struct qed_tunnel_info tunn_info;
1102         const u8 *data = NULL;
1103         struct qed_hwfn *hwfn;
1104         struct qed_ptt *p_ptt;
1105         int rc = -EINVAL;
1106
1107         if (qed_iov_wq_start(cdev))
1108                 goto err;
1109
1110         if (qed_slowpath_wq_start(cdev))
1111                 goto err;
1112
1113         if (IS_PF(cdev)) {
1114                 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1115                                       &cdev->pdev->dev);
1116                 if (rc) {
1117                         DP_NOTICE(cdev,
1118                                   "Failed to find fw file - /lib/firmware/%s\n",
1119                                   QED_FW_FILE_NAME);
1120                         goto err;
1121                 }
1122
1123                 if (cdev->num_hwfns == 1) {
1124                         p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1125                         if (p_ptt) {
1126                                 QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1127                         } else {
1128                                 DP_NOTICE(cdev,
1129                                           "Failed to acquire PTT for aRFS\n");
1130                                 goto err;
1131                         }
1132                 }
1133         }
1134
1135         cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1136         rc = qed_nic_setup(cdev);
1137         if (rc)
1138                 goto err;
1139
1140         if (IS_PF(cdev))
1141                 rc = qed_slowpath_setup_int(cdev, params->int_mode);
1142         else
1143                 rc = qed_slowpath_vf_setup_int(cdev);
1144         if (rc)
1145                 goto err1;
1146
1147         if (IS_PF(cdev)) {
1148                 /* Allocate stream for unzipping */
1149                 rc = qed_alloc_stream_mem(cdev);
1150                 if (rc)
1151                         goto err2;
1152
1153                 /* First Dword used to differentiate between various sources */
1154                 data = cdev->firmware->data + sizeof(u32);
1155
1156                 qed_dbg_pf_init(cdev);
1157         }
1158
1159         /* Start the slowpath */
1160         memset(&hw_init_params, 0, sizeof(hw_init_params));
1161         memset(&tunn_info, 0, sizeof(tunn_info));
1162         tunn_info.vxlan.b_mode_enabled = true;
1163         tunn_info.l2_gre.b_mode_enabled = true;
1164         tunn_info.ip_gre.b_mode_enabled = true;
1165         tunn_info.l2_geneve.b_mode_enabled = true;
1166         tunn_info.ip_geneve.b_mode_enabled = true;
1167         tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1168         tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1169         tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1170         tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1171         tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1172         hw_init_params.p_tunn = &tunn_info;
1173         hw_init_params.b_hw_start = true;
1174         hw_init_params.int_mode = cdev->int_params.out.int_mode;
1175         hw_init_params.allow_npar_tx_switch = true;
1176         hw_init_params.bin_fw_data = data;
1177
1178         memset(&drv_load_params, 0, sizeof(drv_load_params));
1179         drv_load_params.is_crash_kernel = is_kdump_kernel();
1180         drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1181         drv_load_params.avoid_eng_reset = false;
1182         drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1183         hw_init_params.p_drv_load_params = &drv_load_params;
1184
1185         rc = qed_hw_init(cdev, &hw_init_params);
1186         if (rc)
1187                 goto err2;
1188
1189         DP_INFO(cdev,
1190                 "HW initialization and function start completed successfully\n");
1191
1192         if (IS_PF(cdev)) {
1193                 cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1194                                            BIT(QED_MODE_L2GENEVE_TUNN) |
1195                                            BIT(QED_MODE_IPGENEVE_TUNN) |
1196                                            BIT(QED_MODE_L2GRE_TUNN) |
1197                                            BIT(QED_MODE_IPGRE_TUNN));
1198         }
1199
1200         /* Allocate LL2 interface if needed */
1201         if (QED_LEADING_HWFN(cdev)->using_ll2) {
1202                 rc = qed_ll2_alloc_if(cdev);
1203                 if (rc)
1204                         goto err3;
1205         }
1206         if (IS_PF(cdev)) {
1207                 hwfn = QED_LEADING_HWFN(cdev);
1208                 drv_version.version = (params->drv_major << 24) |
1209                                       (params->drv_minor << 16) |
1210                                       (params->drv_rev << 8) |
1211                                       (params->drv_eng);
1212                 strlcpy(drv_version.name, params->name,
1213                         MCP_DRV_VER_STR_SIZE - 4);
1214                 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1215                                               &drv_version);
1216                 if (rc) {
1217                         DP_NOTICE(cdev, "Failed sending drv version command\n");
1218                         return rc;
1219                 }
1220         }
1221
1222         qed_reset_vport_stats(cdev);
1223
1224         return 0;
1225
1226 err3:
1227         qed_hw_stop(cdev);
1228 err2:
1229         qed_hw_timers_stop_all(cdev);
1230         if (IS_PF(cdev))
1231                 qed_slowpath_irq_free(cdev);
1232         qed_free_stream_mem(cdev);
1233         qed_disable_msix(cdev);
1234 err1:
1235         qed_resc_free(cdev);
1236 err:
1237         if (IS_PF(cdev))
1238                 release_firmware(cdev->firmware);
1239
1240         if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1241             QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1242                 qed_ptt_release(QED_LEADING_HWFN(cdev),
1243                                 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1244
1245         qed_iov_wq_stop(cdev, false);
1246
1247         qed_slowpath_wq_stop(cdev);
1248
1249         return rc;
1250 }
1251
1252 static int qed_slowpath_stop(struct qed_dev *cdev)
1253 {
1254         if (!cdev)
1255                 return -ENODEV;
1256
1257         qed_slowpath_wq_stop(cdev);
1258
1259         qed_ll2_dealloc_if(cdev);
1260
1261         if (IS_PF(cdev)) {
1262                 if (cdev->num_hwfns == 1)
1263                         qed_ptt_release(QED_LEADING_HWFN(cdev),
1264                                         QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1265                 qed_free_stream_mem(cdev);
1266                 if (IS_QED_ETH_IF(cdev))
1267                         qed_sriov_disable(cdev, true);
1268         }
1269
1270         qed_nic_stop(cdev);
1271
1272         if (IS_PF(cdev))
1273                 qed_slowpath_irq_free(cdev);
1274
1275         qed_disable_msix(cdev);
1276
1277         qed_resc_free(cdev);
1278
1279         qed_iov_wq_stop(cdev, true);
1280
1281         if (IS_PF(cdev))
1282                 release_firmware(cdev->firmware);
1283
1284         return 0;
1285 }
1286
1287 static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1288 {
1289         int i;
1290
1291         memcpy(cdev->name, name, NAME_SIZE);
1292         for_each_hwfn(cdev, i)
1293                 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1294 }
1295
1296 static u32 qed_sb_init(struct qed_dev *cdev,
1297                        struct qed_sb_info *sb_info,
1298                        void *sb_virt_addr,
1299                        dma_addr_t sb_phy_addr, u16 sb_id,
1300                        enum qed_sb_type type)
1301 {
1302         struct qed_hwfn *p_hwfn;
1303         struct qed_ptt *p_ptt;
1304         int hwfn_index;
1305         u16 rel_sb_id;
1306         u8 n_hwfns;
1307         u32 rc;
1308
1309         /* RoCE uses single engine and CMT uses two engines. When using both
1310          * we force only a single engine. Storage uses only engine 0 too.
1311          */
1312         if (type == QED_SB_TYPE_L2_QUEUE)
1313                 n_hwfns = cdev->num_hwfns;
1314         else
1315                 n_hwfns = 1;
1316
1317         hwfn_index = sb_id % n_hwfns;
1318         p_hwfn = &cdev->hwfns[hwfn_index];
1319         rel_sb_id = sb_id / n_hwfns;
1320
1321         DP_VERBOSE(cdev, NETIF_MSG_INTR,
1322                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1323                    hwfn_index, rel_sb_id, sb_id);
1324
1325         if (IS_PF(p_hwfn->cdev)) {
1326                 p_ptt = qed_ptt_acquire(p_hwfn);
1327                 if (!p_ptt)
1328                         return -EBUSY;
1329
1330                 rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1331                                      sb_phy_addr, rel_sb_id);
1332                 qed_ptt_release(p_hwfn, p_ptt);
1333         } else {
1334                 rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1335                                      sb_phy_addr, rel_sb_id);
1336         }
1337
1338         return rc;
1339 }
1340
1341 static u32 qed_sb_release(struct qed_dev *cdev,
1342                           struct qed_sb_info *sb_info, u16 sb_id)
1343 {
1344         struct qed_hwfn *p_hwfn;
1345         int hwfn_index;
1346         u16 rel_sb_id;
1347         u32 rc;
1348
1349         hwfn_index = sb_id % cdev->num_hwfns;
1350         p_hwfn = &cdev->hwfns[hwfn_index];
1351         rel_sb_id = sb_id / cdev->num_hwfns;
1352
1353         DP_VERBOSE(cdev, NETIF_MSG_INTR,
1354                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1355                    hwfn_index, rel_sb_id, sb_id);
1356
1357         rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1358
1359         return rc;
1360 }
1361
1362 static bool qed_can_link_change(struct qed_dev *cdev)
1363 {
1364         return true;
1365 }
1366
1367 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1368 {
1369         struct qed_hwfn *hwfn;
1370         struct qed_mcp_link_params *link_params;
1371         struct qed_ptt *ptt;
1372         u32 sup_caps;
1373         int rc;
1374
1375         if (!cdev)
1376                 return -ENODEV;
1377
1378         /* The link should be set only once per PF */
1379         hwfn = &cdev->hwfns[0];
1380
1381         /* When VF wants to set link, force it to read the bulletin instead.
1382          * This mimics the PF behavior, where a noitification [both immediate
1383          * and possible later] would be generated when changing properties.
1384          */
1385         if (IS_VF(cdev)) {
1386                 qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1387                 return 0;
1388         }
1389
1390         ptt = qed_ptt_acquire(hwfn);
1391         if (!ptt)
1392                 return -EBUSY;
1393
1394         link_params = qed_mcp_get_link_params(hwfn);
1395         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1396                 link_params->speed.autoneg = params->autoneg;
1397         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1398                 link_params->speed.advertised_speeds = 0;
1399                 sup_caps = QED_LM_1000baseT_Full_BIT |
1400                            QED_LM_1000baseKX_Full_BIT |
1401                            QED_LM_1000baseX_Full_BIT;
1402                 if (params->adv_speeds & sup_caps)
1403                         link_params->speed.advertised_speeds |=
1404                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1405                 sup_caps = QED_LM_10000baseT_Full_BIT |
1406                            QED_LM_10000baseKR_Full_BIT |
1407                            QED_LM_10000baseKX4_Full_BIT |
1408                            QED_LM_10000baseR_FEC_BIT |
1409                            QED_LM_10000baseCR_Full_BIT |
1410                            QED_LM_10000baseSR_Full_BIT |
1411                            QED_LM_10000baseLR_Full_BIT |
1412                            QED_LM_10000baseLRM_Full_BIT;
1413                 if (params->adv_speeds & sup_caps)
1414                         link_params->speed.advertised_speeds |=
1415                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1416                 if (params->adv_speeds & QED_LM_20000baseKR2_Full_BIT)
1417                         link_params->speed.advertised_speeds |=
1418                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
1419                 sup_caps = QED_LM_25000baseKR_Full_BIT |
1420                            QED_LM_25000baseCR_Full_BIT |
1421                            QED_LM_25000baseSR_Full_BIT;
1422                 if (params->adv_speeds & sup_caps)
1423                         link_params->speed.advertised_speeds |=
1424                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1425                 sup_caps = QED_LM_40000baseLR4_Full_BIT |
1426                            QED_LM_40000baseKR4_Full_BIT |
1427                            QED_LM_40000baseCR4_Full_BIT |
1428                            QED_LM_40000baseSR4_Full_BIT;
1429                 if (params->adv_speeds & sup_caps)
1430                         link_params->speed.advertised_speeds |=
1431                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1432                 sup_caps = QED_LM_50000baseKR2_Full_BIT |
1433                            QED_LM_50000baseCR2_Full_BIT |
1434                            QED_LM_50000baseSR2_Full_BIT;
1435                 if (params->adv_speeds & sup_caps)
1436                         link_params->speed.advertised_speeds |=
1437                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1438                 sup_caps = QED_LM_100000baseKR4_Full_BIT |
1439                            QED_LM_100000baseSR4_Full_BIT |
1440                            QED_LM_100000baseCR4_Full_BIT |
1441                            QED_LM_100000baseLR4_ER4_Full_BIT;
1442                 if (params->adv_speeds & sup_caps)
1443                         link_params->speed.advertised_speeds |=
1444                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1445         }
1446         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1447                 link_params->speed.forced_speed = params->forced_speed;
1448         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1449                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1450                         link_params->pause.autoneg = true;
1451                 else
1452                         link_params->pause.autoneg = false;
1453                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1454                         link_params->pause.forced_rx = true;
1455                 else
1456                         link_params->pause.forced_rx = false;
1457                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1458                         link_params->pause.forced_tx = true;
1459                 else
1460                         link_params->pause.forced_tx = false;
1461         }
1462         if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1463                 switch (params->loopback_mode) {
1464                 case QED_LINK_LOOPBACK_INT_PHY:
1465                         link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1466                         break;
1467                 case QED_LINK_LOOPBACK_EXT_PHY:
1468                         link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1469                         break;
1470                 case QED_LINK_LOOPBACK_EXT:
1471                         link_params->loopback_mode = ETH_LOOPBACK_EXT;
1472                         break;
1473                 case QED_LINK_LOOPBACK_MAC:
1474                         link_params->loopback_mode = ETH_LOOPBACK_MAC;
1475                         break;
1476                 default:
1477                         link_params->loopback_mode = ETH_LOOPBACK_NONE;
1478                         break;
1479                 }
1480         }
1481
1482         if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1483                 memcpy(&link_params->eee, &params->eee,
1484                        sizeof(link_params->eee));
1485
1486         rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1487
1488         qed_ptt_release(hwfn, ptt);
1489
1490         return rc;
1491 }
1492
1493 static int qed_get_port_type(u32 media_type)
1494 {
1495         int port_type;
1496
1497         switch (media_type) {
1498         case MEDIA_SFPP_10G_FIBER:
1499         case MEDIA_SFP_1G_FIBER:
1500         case MEDIA_XFP_FIBER:
1501         case MEDIA_MODULE_FIBER:
1502         case MEDIA_KR:
1503                 port_type = PORT_FIBRE;
1504                 break;
1505         case MEDIA_DA_TWINAX:
1506                 port_type = PORT_DA;
1507                 break;
1508         case MEDIA_BASE_T:
1509                 port_type = PORT_TP;
1510                 break;
1511         case MEDIA_NOT_PRESENT:
1512                 port_type = PORT_NONE;
1513                 break;
1514         case MEDIA_UNSPECIFIED:
1515         default:
1516                 port_type = PORT_OTHER;
1517                 break;
1518         }
1519         return port_type;
1520 }
1521
1522 static int qed_get_link_data(struct qed_hwfn *hwfn,
1523                              struct qed_mcp_link_params *params,
1524                              struct qed_mcp_link_state *link,
1525                              struct qed_mcp_link_capabilities *link_caps)
1526 {
1527         void *p;
1528
1529         if (!IS_PF(hwfn->cdev)) {
1530                 qed_vf_get_link_params(hwfn, params);
1531                 qed_vf_get_link_state(hwfn, link);
1532                 qed_vf_get_link_caps(hwfn, link_caps);
1533
1534                 return 0;
1535         }
1536
1537         p = qed_mcp_get_link_params(hwfn);
1538         if (!p)
1539                 return -ENXIO;
1540         memcpy(params, p, sizeof(*params));
1541
1542         p = qed_mcp_get_link_state(hwfn);
1543         if (!p)
1544                 return -ENXIO;
1545         memcpy(link, p, sizeof(*link));
1546
1547         p = qed_mcp_get_link_capabilities(hwfn);
1548         if (!p)
1549                 return -ENXIO;
1550         memcpy(link_caps, p, sizeof(*link_caps));
1551
1552         return 0;
1553 }
1554
1555 static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1556                                      struct qed_ptt *ptt, u32 capability,
1557                                      u32 *if_capability)
1558 {
1559         u32 media_type, tcvr_state, tcvr_type;
1560         u32 speed_mask, board_cfg;
1561
1562         if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1563                 media_type = MEDIA_UNSPECIFIED;
1564
1565         if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1566                 tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1567
1568         if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1569                 speed_mask = 0xFFFFFFFF;
1570
1571         if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1572                 board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1573
1574         DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1575                    "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1576                    media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1577
1578         switch (media_type) {
1579         case MEDIA_DA_TWINAX:
1580                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1581                         *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1582                 /* For DAC media multiple speed capabilities are supported*/
1583                 capability = capability & speed_mask;
1584                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1585                         *if_capability |= QED_LM_1000baseKX_Full_BIT;
1586                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1587                         *if_capability |= QED_LM_10000baseCR_Full_BIT;
1588                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1589                         *if_capability |= QED_LM_40000baseCR4_Full_BIT;
1590                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1591                         *if_capability |= QED_LM_25000baseCR_Full_BIT;
1592                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1593                         *if_capability |= QED_LM_50000baseCR2_Full_BIT;
1594                 if (capability &
1595                         NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1596                         *if_capability |= QED_LM_100000baseCR4_Full_BIT;
1597                 break;
1598         case MEDIA_BASE_T:
1599                 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1600                         if (capability &
1601                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1602                                 *if_capability |= QED_LM_1000baseT_Full_BIT;
1603                         }
1604                         if (capability &
1605                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1606                                 *if_capability |= QED_LM_10000baseT_Full_BIT;
1607                         }
1608                 }
1609                 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1610                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_1000BASET)
1611                                 *if_capability |= QED_LM_1000baseT_Full_BIT;
1612                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_BASET)
1613                                 *if_capability |= QED_LM_10000baseT_Full_BIT;
1614                 }
1615                 break;
1616         case MEDIA_SFP_1G_FIBER:
1617         case MEDIA_SFPP_10G_FIBER:
1618         case MEDIA_XFP_FIBER:
1619         case MEDIA_MODULE_FIBER:
1620                 if (capability &
1621                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1622                         if ((tcvr_type == ETH_TRANSCEIVER_TYPE_1G_LX) ||
1623                             (tcvr_type == ETH_TRANSCEIVER_TYPE_1G_SX))
1624                                 *if_capability |= QED_LM_1000baseKX_Full_BIT;
1625                 }
1626                 if (capability &
1627                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1628                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_SR)
1629                                 *if_capability |= QED_LM_10000baseSR_Full_BIT;
1630                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LR)
1631                                 *if_capability |= QED_LM_10000baseLR_Full_BIT;
1632                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LRM)
1633                                 *if_capability |= QED_LM_10000baseLRM_Full_BIT;
1634                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_ER)
1635                                 *if_capability |= QED_LM_10000baseR_FEC_BIT;
1636                 }
1637                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1638                         *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1639                 if (capability &
1640                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G) {
1641                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_25G_SR)
1642                                 *if_capability |= QED_LM_25000baseSR_Full_BIT;
1643                 }
1644                 if (capability &
1645                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G) {
1646                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_LR4)
1647                                 *if_capability |= QED_LM_40000baseLR4_Full_BIT;
1648                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_SR4)
1649                                 *if_capability |= QED_LM_40000baseSR4_Full_BIT;
1650                 }
1651                 if (capability &
1652                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1653                         *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1654                 if (capability &
1655                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G) {
1656                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_100G_SR4)
1657                                 *if_capability |= QED_LM_100000baseSR4_Full_BIT;
1658                 }
1659
1660                 break;
1661         case MEDIA_KR:
1662                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1663                         *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1664                 if (capability &
1665                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1666                         *if_capability |= QED_LM_1000baseKX_Full_BIT;
1667                 if (capability &
1668                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1669                         *if_capability |= QED_LM_10000baseKR_Full_BIT;
1670                 if (capability &
1671                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1672                         *if_capability |= QED_LM_25000baseKR_Full_BIT;
1673                 if (capability &
1674                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1675                         *if_capability |= QED_LM_40000baseKR4_Full_BIT;
1676                 if (capability &
1677                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1678                         *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1679                 if (capability &
1680                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1681                         *if_capability |= QED_LM_100000baseKR4_Full_BIT;
1682                 break;
1683         case MEDIA_UNSPECIFIED:
1684         case MEDIA_NOT_PRESENT:
1685                 DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
1686                            "Unknown media and transceiver type;\n");
1687                 break;
1688         }
1689 }
1690
1691 static void qed_fill_link(struct qed_hwfn *hwfn,
1692                           struct qed_ptt *ptt,
1693                           struct qed_link_output *if_link)
1694 {
1695         struct qed_mcp_link_capabilities link_caps;
1696         struct qed_mcp_link_params params;
1697         struct qed_mcp_link_state link;
1698         u32 media_type;
1699
1700         memset(if_link, 0, sizeof(*if_link));
1701
1702         /* Prepare source inputs */
1703         if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1704                 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1705                 return;
1706         }
1707
1708         /* Set the link parameters to pass to protocol driver */
1709         if (link.link_up)
1710                 if_link->link_up = true;
1711
1712         /* TODO - at the moment assume supported and advertised speed equal */
1713         if_link->supported_caps = QED_LM_FIBRE_BIT;
1714         if (link_caps.default_speed_autoneg)
1715                 if_link->supported_caps |= QED_LM_Autoneg_BIT;
1716         if (params.pause.autoneg ||
1717             (params.pause.forced_rx && params.pause.forced_tx))
1718                 if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
1719         if (params.pause.autoneg || params.pause.forced_rx ||
1720             params.pause.forced_tx)
1721                 if_link->supported_caps |= QED_LM_Pause_BIT;
1722
1723         if_link->advertised_caps = if_link->supported_caps;
1724         if (params.speed.autoneg)
1725                 if_link->advertised_caps |= QED_LM_Autoneg_BIT;
1726         else
1727                 if_link->advertised_caps &= ~QED_LM_Autoneg_BIT;
1728
1729         /* Fill link advertised capability*/
1730         qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
1731                                  &if_link->advertised_caps);
1732         /* Fill link supported capability*/
1733         qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
1734                                  &if_link->supported_caps);
1735
1736         if (link.link_up)
1737                 if_link->speed = link.speed;
1738
1739         /* TODO - fill duplex properly */
1740         if_link->duplex = DUPLEX_FULL;
1741         qed_mcp_get_media_type(hwfn, ptt, &media_type);
1742         if_link->port = qed_get_port_type(media_type);
1743
1744         if_link->autoneg = params.speed.autoneg;
1745
1746         if (params.pause.autoneg)
1747                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1748         if (params.pause.forced_rx)
1749                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1750         if (params.pause.forced_tx)
1751                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1752
1753         /* Link partner capabilities */
1754         if (link.partner_adv_speed &
1755             QED_LINK_PARTNER_SPEED_1G_FD)
1756                 if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1757         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1758                 if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1759         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_20G)
1760                 if_link->lp_caps |= QED_LM_20000baseKR2_Full_BIT;
1761         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1762                 if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1763         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1764                 if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1765         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1766                 if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1767         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1768                 if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
1769
1770         if (link.an_complete)
1771                 if_link->lp_caps |= QED_LM_Autoneg_BIT;
1772
1773         if (link.partner_adv_pause)
1774                 if_link->lp_caps |= QED_LM_Pause_BIT;
1775         if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1776             link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1777                 if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
1778
1779         if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
1780                 if_link->eee_supported = false;
1781         } else {
1782                 if_link->eee_supported = true;
1783                 if_link->eee_active = link.eee_active;
1784                 if_link->sup_caps = link_caps.eee_speed_caps;
1785                 /* MFW clears adv_caps on eee disable; use configured value */
1786                 if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
1787                                         params.eee.adv_caps;
1788                 if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
1789                 if_link->eee.enable = params.eee.enable;
1790                 if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
1791                 if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
1792         }
1793 }
1794
1795 static void qed_get_current_link(struct qed_dev *cdev,
1796                                  struct qed_link_output *if_link)
1797 {
1798         struct qed_hwfn *hwfn;
1799         struct qed_ptt *ptt;
1800         int i;
1801
1802         hwfn = &cdev->hwfns[0];
1803         if (IS_PF(cdev)) {
1804                 ptt = qed_ptt_acquire(hwfn);
1805                 if (ptt) {
1806                         qed_fill_link(hwfn, ptt, if_link);
1807                         qed_ptt_release(hwfn, ptt);
1808                 } else {
1809                         DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
1810                 }
1811         } else {
1812                 qed_fill_link(hwfn, NULL, if_link);
1813         }
1814
1815         for_each_hwfn(cdev, i)
1816                 qed_inform_vf_link_state(&cdev->hwfns[i]);
1817 }
1818
1819 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
1820 {
1821         void *cookie = hwfn->cdev->ops_cookie;
1822         struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1823         struct qed_link_output if_link;
1824
1825         qed_fill_link(hwfn, ptt, &if_link);
1826         qed_inform_vf_link_state(hwfn);
1827
1828         if (IS_LEAD_HWFN(hwfn) && cookie)
1829                 op->link_update(cookie, &if_link);
1830 }
1831
1832 static int qed_drain(struct qed_dev *cdev)
1833 {
1834         struct qed_hwfn *hwfn;
1835         struct qed_ptt *ptt;
1836         int i, rc;
1837
1838         if (IS_VF(cdev))
1839                 return 0;
1840
1841         for_each_hwfn(cdev, i) {
1842                 hwfn = &cdev->hwfns[i];
1843                 ptt = qed_ptt_acquire(hwfn);
1844                 if (!ptt) {
1845                         DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1846                         return -EBUSY;
1847                 }
1848                 rc = qed_mcp_drain(hwfn, ptt);
1849                 qed_ptt_release(hwfn, ptt);
1850                 if (rc)
1851                         return rc;
1852         }
1853
1854         return 0;
1855 }
1856
1857 static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
1858                                           struct qed_nvm_image_att *nvm_image,
1859                                           u32 *crc)
1860 {
1861         u8 *buf = NULL;
1862         int rc, j;
1863         u32 val;
1864
1865         /* Allocate a buffer for holding the nvram image */
1866         buf = kzalloc(nvm_image->length, GFP_KERNEL);
1867         if (!buf)
1868                 return -ENOMEM;
1869
1870         /* Read image into buffer */
1871         rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
1872                               buf, nvm_image->length);
1873         if (rc) {
1874                 DP_ERR(cdev, "Failed reading image from nvm\n");
1875                 goto out;
1876         }
1877
1878         /* Convert the buffer into big-endian format (excluding the
1879          * closing 4 bytes of CRC).
1880          */
1881         for (j = 0; j < nvm_image->length - 4; j += 4) {
1882                 val = cpu_to_be32(*(u32 *)&buf[j]);
1883                 *(u32 *)&buf[j] = val;
1884         }
1885
1886         /* Calc CRC for the "actual" image buffer, i.e. not including
1887          * the last 4 CRC bytes.
1888          */
1889         *crc = (~cpu_to_be32(crc32(0xffffffff, buf, nvm_image->length - 4)));
1890
1891 out:
1892         kfree(buf);
1893
1894         return rc;
1895 }
1896
1897 /* Binary file format -
1898  *     /----------------------------------------------------------------------\
1899  * 0B  |                       0x4 [command index]                            |
1900  * 4B  | image_type     | Options        |  Number of register settings       |
1901  * 8B  |                       Value                                          |
1902  * 12B |                       Mask                                           |
1903  * 16B |                       Offset                                         |
1904  *     \----------------------------------------------------------------------/
1905  * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
1906  * Options - 0'b - Calculate & Update CRC for image
1907  */
1908 static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
1909                                       bool *check_resp)
1910 {
1911         struct qed_nvm_image_att nvm_image;
1912         struct qed_hwfn *p_hwfn;
1913         bool is_crc = false;
1914         u32 image_type;
1915         int rc = 0, i;
1916         u16 len;
1917
1918         *data += 4;
1919         image_type = **data;
1920         p_hwfn = QED_LEADING_HWFN(cdev);
1921         for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
1922                 if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
1923                         break;
1924         if (i == p_hwfn->nvm_info.num_images) {
1925                 DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
1926                        image_type);
1927                 return -ENOENT;
1928         }
1929
1930         nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
1931         nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
1932
1933         DP_VERBOSE(cdev, NETIF_MSG_DRV,
1934                    "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
1935                    **data, image_type, nvm_image.start_addr,
1936                    nvm_image.start_addr + nvm_image.length - 1);
1937         (*data)++;
1938         is_crc = !!(**data & BIT(0));
1939         (*data)++;
1940         len = *((u16 *)*data);
1941         *data += 2;
1942         if (is_crc) {
1943                 u32 crc = 0;
1944
1945                 rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
1946                 if (rc) {
1947                         DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
1948                         goto exit;
1949                 }
1950
1951                 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
1952                                        (nvm_image.start_addr +
1953                                         nvm_image.length - 4), (u8 *)&crc, 4);
1954                 if (rc)
1955                         DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
1956                                nvm_image.start_addr + nvm_image.length - 4, rc);
1957                 goto exit;
1958         }
1959
1960         /* Iterate over the values for setting */
1961         while (len) {
1962                 u32 offset, mask, value, cur_value;
1963                 u8 buf[4];
1964
1965                 value = *((u32 *)*data);
1966                 *data += 4;
1967                 mask = *((u32 *)*data);
1968                 *data += 4;
1969                 offset = *((u32 *)*data);
1970                 *data += 4;
1971
1972                 rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
1973                                       4);
1974                 if (rc) {
1975                         DP_ERR(cdev, "Failed reading from %08x\n",
1976                                nvm_image.start_addr + offset);
1977                         goto exit;
1978                 }
1979
1980                 cur_value = le32_to_cpu(*((__le32 *)buf));
1981                 DP_VERBOSE(cdev, NETIF_MSG_DRV,
1982                            "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
1983                            nvm_image.start_addr + offset, cur_value,
1984                            (cur_value & ~mask) | (value & mask), value, mask);
1985                 value = (value & mask) | (cur_value & ~mask);
1986                 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
1987                                        nvm_image.start_addr + offset,
1988                                        (u8 *)&value, 4);
1989                 if (rc) {
1990                         DP_ERR(cdev, "Failed writing to %08x\n",
1991                                nvm_image.start_addr + offset);
1992                         goto exit;
1993                 }
1994
1995                 len--;
1996         }
1997 exit:
1998         return rc;
1999 }
2000
2001 /* Binary file format -
2002  *     /----------------------------------------------------------------------\
2003  * 0B  |                       0x3 [command index]                            |
2004  * 4B  | b'0: check_response?   | b'1-31  reserved                            |
2005  * 8B  | File-type |                   reserved                               |
2006  * 12B |                    Image length in bytes                             |
2007  *     \----------------------------------------------------------------------/
2008  *     Start a new file of the provided type
2009  */
2010 static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2011                                           const u8 **data, bool *check_resp)
2012 {
2013         u32 file_type, file_size = 0;
2014         int rc;
2015
2016         *data += 4;
2017         *check_resp = !!(**data & BIT(0));
2018         *data += 4;
2019         file_type = **data;
2020
2021         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2022                    "About to start a new file of type %02x\n", file_type);
2023         if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2024                 *data += 4;
2025                 file_size = *((u32 *)(*data));
2026         }
2027
2028         rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2029                                (u8 *)(&file_size), 4);
2030         *data += 4;
2031
2032         return rc;
2033 }
2034
2035 /* Binary file format -
2036  *     /----------------------------------------------------------------------\
2037  * 0B  |                       0x2 [command index]                            |
2038  * 4B  |                       Length in bytes                                |
2039  * 8B  | b'0: check_response?   | b'1-31  reserved                            |
2040  * 12B |                       Offset in bytes                                |
2041  * 16B |                       Data ...                                       |
2042  *     \----------------------------------------------------------------------/
2043  *     Write data as part of a file that was previously started. Data should be
2044  *     of length equal to that provided in the message
2045  */
2046 static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2047                                          const u8 **data, bool *check_resp)
2048 {
2049         u32 offset, len;
2050         int rc;
2051
2052         *data += 4;
2053         len = *((u32 *)(*data));
2054         *data += 4;
2055         *check_resp = !!(**data & BIT(0));
2056         *data += 4;
2057         offset = *((u32 *)(*data));
2058         *data += 4;
2059
2060         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2061                    "About to write File-data: %08x bytes to offset %08x\n",
2062                    len, offset);
2063
2064         rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2065                                (char *)(*data), len);
2066         *data += len;
2067
2068         return rc;
2069 }
2070
2071 /* Binary file format [General header] -
2072  *     /----------------------------------------------------------------------\
2073  * 0B  |                       QED_NVM_SIGNATURE                              |
2074  * 4B  |                       Length in bytes                                |
2075  * 8B  | Highest command in this batchfile |          Reserved                |
2076  *     \----------------------------------------------------------------------/
2077  */
2078 static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2079                                         const struct firmware *image,
2080                                         const u8 **data)
2081 {
2082         u32 signature, len;
2083
2084         /* Check minimum size */
2085         if (image->size < 12) {
2086                 DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2087                 return -EINVAL;
2088         }
2089
2090         /* Check signature */
2091         signature = *((u32 *)(*data));
2092         if (signature != QED_NVM_SIGNATURE) {
2093                 DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2094                 return -EINVAL;
2095         }
2096
2097         *data += 4;
2098         /* Validate internal size equals the image-size */
2099         len = *((u32 *)(*data));
2100         if (len != image->size) {
2101                 DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2102                        len, (u32)image->size);
2103                 return -EINVAL;
2104         }
2105
2106         *data += 4;
2107         /* Make sure driver familiar with all commands necessary for this */
2108         if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2109                 DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2110                        *((u16 *)(*data)));
2111                 return -EINVAL;
2112         }
2113
2114         *data += 4;
2115
2116         return 0;
2117 }
2118
2119 static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2120 {
2121         const struct firmware *image;
2122         const u8 *data, *data_end;
2123         u32 cmd_type;
2124         int rc;
2125
2126         rc = request_firmware(&image, name, &cdev->pdev->dev);
2127         if (rc) {
2128                 DP_ERR(cdev, "Failed to find '%s'\n", name);
2129                 return rc;
2130         }
2131
2132         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2133                    "Flashing '%s' - firmware's data at %p, size is %08x\n",
2134                    name, image->data, (u32)image->size);
2135         data = image->data;
2136         data_end = data + image->size;
2137
2138         rc = qed_nvm_flash_image_validate(cdev, image, &data);
2139         if (rc)
2140                 goto exit;
2141
2142         while (data < data_end) {
2143                 bool check_resp = false;
2144
2145                 /* Parse the actual command */
2146                 cmd_type = *((u32 *)data);
2147                 switch (cmd_type) {
2148                 case QED_NVM_FLASH_CMD_FILE_DATA:
2149                         rc = qed_nvm_flash_image_file_data(cdev, &data,
2150                                                            &check_resp);
2151                         break;
2152                 case QED_NVM_FLASH_CMD_FILE_START:
2153                         rc = qed_nvm_flash_image_file_start(cdev, &data,
2154                                                             &check_resp);
2155                         break;
2156                 case QED_NVM_FLASH_CMD_NVM_CHANGE:
2157                         rc = qed_nvm_flash_image_access(cdev, &data,
2158                                                         &check_resp);
2159                         break;
2160                 default:
2161                         DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2162                         rc = -EINVAL;
2163                         goto exit;
2164                 }
2165
2166                 if (rc) {
2167                         DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2168                         goto exit;
2169                 }
2170
2171                 /* Check response if needed */
2172                 if (check_resp) {
2173                         u32 mcp_response = 0;
2174
2175                         if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2176                                 DP_ERR(cdev, "Failed getting MCP response\n");
2177                                 rc = -EINVAL;
2178                                 goto exit;
2179                         }
2180
2181                         switch (mcp_response & FW_MSG_CODE_MASK) {
2182                         case FW_MSG_CODE_OK:
2183                         case FW_MSG_CODE_NVM_OK:
2184                         case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2185                         case FW_MSG_CODE_PHY_OK:
2186                                 break;
2187                         default:
2188                                 DP_ERR(cdev, "MFW returns error: %08x\n",
2189                                        mcp_response);
2190                                 rc = -EINVAL;
2191                                 goto exit;
2192                         }
2193                 }
2194         }
2195
2196 exit:
2197         release_firmware(image);
2198
2199         return rc;
2200 }
2201
2202 static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2203                              u8 *buf, u16 len)
2204 {
2205         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2206
2207         return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2208 }
2209
2210 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2211 {
2212         struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2213         void *cookie = p_hwfn->cdev->ops_cookie;
2214
2215         if (ops && ops->schedule_recovery_handler)
2216                 ops->schedule_recovery_handler(cookie);
2217 }
2218
2219 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2220                             void *handle)
2221 {
2222                 return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2223 }
2224
2225 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2226 {
2227         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2228         struct qed_ptt *ptt;
2229         int status = 0;
2230
2231         ptt = qed_ptt_acquire(hwfn);
2232         if (!ptt)
2233                 return -EAGAIN;
2234
2235         status = qed_mcp_set_led(hwfn, ptt, mode);
2236
2237         qed_ptt_release(hwfn, ptt);
2238
2239         return status;
2240 }
2241
2242 static int qed_recovery_process(struct qed_dev *cdev)
2243 {
2244         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2245         struct qed_ptt *p_ptt;
2246         int rc = 0;
2247
2248         p_ptt = qed_ptt_acquire(p_hwfn);
2249         if (!p_ptt)
2250                 return -EAGAIN;
2251
2252         rc = qed_start_recovery_process(p_hwfn, p_ptt);
2253
2254         qed_ptt_release(p_hwfn, p_ptt);
2255
2256         return rc;
2257 }
2258
2259 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2260 {
2261         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2262         struct qed_ptt *ptt;
2263         int rc = 0;
2264
2265         if (IS_VF(cdev))
2266                 return 0;
2267
2268         ptt = qed_ptt_acquire(hwfn);
2269         if (!ptt)
2270                 return -EAGAIN;
2271
2272         rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2273                                    : QED_OV_WOL_DISABLED);
2274         if (rc)
2275                 goto out;
2276         rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2277
2278 out:
2279         qed_ptt_release(hwfn, ptt);
2280         return rc;
2281 }
2282
2283 static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2284 {
2285         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2286         struct qed_ptt *ptt;
2287         int status = 0;
2288
2289         if (IS_VF(cdev))
2290                 return 0;
2291
2292         ptt = qed_ptt_acquire(hwfn);
2293         if (!ptt)
2294                 return -EAGAIN;
2295
2296         status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2297                                                 QED_OV_DRIVER_STATE_ACTIVE :
2298                                                 QED_OV_DRIVER_STATE_DISABLED);
2299
2300         qed_ptt_release(hwfn, ptt);
2301
2302         return status;
2303 }
2304
2305 static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
2306 {
2307         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2308         struct qed_ptt *ptt;
2309         int status = 0;
2310
2311         if (IS_VF(cdev))
2312                 return 0;
2313
2314         ptt = qed_ptt_acquire(hwfn);
2315         if (!ptt)
2316                 return -EAGAIN;
2317
2318         status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2319         if (status)
2320                 goto out;
2321
2322         status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2323
2324 out:
2325         qed_ptt_release(hwfn, ptt);
2326         return status;
2327 }
2328
2329 static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2330 {
2331         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2332         struct qed_ptt *ptt;
2333         int status = 0;
2334
2335         if (IS_VF(cdev))
2336                 return 0;
2337
2338         ptt = qed_ptt_acquire(hwfn);
2339         if (!ptt)
2340                 return -EAGAIN;
2341
2342         status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2343         if (status)
2344                 goto out;
2345
2346         status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2347
2348 out:
2349         qed_ptt_release(hwfn, ptt);
2350         return status;
2351 }
2352
2353 static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2354                                   u8 dev_addr, u32 offset, u32 len)
2355 {
2356         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2357         struct qed_ptt *ptt;
2358         int rc = 0;
2359
2360         if (IS_VF(cdev))
2361                 return 0;
2362
2363         ptt = qed_ptt_acquire(hwfn);
2364         if (!ptt)
2365                 return -EAGAIN;
2366
2367         rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2368                                   offset, len, buf);
2369
2370         qed_ptt_release(hwfn, ptt);
2371
2372         return rc;
2373 }
2374
2375 static struct qed_selftest_ops qed_selftest_ops_pass = {
2376         .selftest_memory = &qed_selftest_memory,
2377         .selftest_interrupt = &qed_selftest_interrupt,
2378         .selftest_register = &qed_selftest_register,
2379         .selftest_clock = &qed_selftest_clock,
2380         .selftest_nvram = &qed_selftest_nvram,
2381 };
2382
2383 const struct qed_common_ops qed_common_ops_pass = {
2384         .selftest = &qed_selftest_ops_pass,
2385         .probe = &qed_probe,
2386         .remove = &qed_remove,
2387         .set_power_state = &qed_set_power_state,
2388         .set_name = &qed_set_name,
2389         .update_pf_params = &qed_update_pf_params,
2390         .slowpath_start = &qed_slowpath_start,
2391         .slowpath_stop = &qed_slowpath_stop,
2392         .set_fp_int = &qed_set_int_fp,
2393         .get_fp_int = &qed_get_int_fp,
2394         .sb_init = &qed_sb_init,
2395         .sb_release = &qed_sb_release,
2396         .simd_handler_config = &qed_simd_handler_config,
2397         .simd_handler_clean = &qed_simd_handler_clean,
2398         .dbg_grc = &qed_dbg_grc,
2399         .dbg_grc_size = &qed_dbg_grc_size,
2400         .can_link_change = &qed_can_link_change,
2401         .set_link = &qed_set_link,
2402         .get_link = &qed_get_current_link,
2403         .drain = &qed_drain,
2404         .update_msglvl = &qed_init_dp,
2405         .dbg_all_data = &qed_dbg_all_data,
2406         .dbg_all_data_size = &qed_dbg_all_data_size,
2407         .chain_alloc = &qed_chain_alloc,
2408         .chain_free = &qed_chain_free,
2409         .nvm_flash = &qed_nvm_flash,
2410         .nvm_get_image = &qed_nvm_get_image,
2411         .set_coalesce = &qed_set_coalesce,
2412         .set_led = &qed_set_led,
2413         .recovery_process = &qed_recovery_process,
2414         .recovery_prolog = &qed_recovery_prolog,
2415         .update_drv_state = &qed_update_drv_state,
2416         .update_mac = &qed_update_mac,
2417         .update_mtu = &qed_update_mtu,
2418         .update_wol = &qed_update_wol,
2419         .db_recovery_add = &qed_db_recovery_add,
2420         .db_recovery_del = &qed_db_recovery_del,
2421         .read_module_eeprom = &qed_read_module_eeprom,
2422 };
2423
2424 void qed_get_protocol_stats(struct qed_dev *cdev,
2425                             enum qed_mcp_protocol_type type,
2426                             union qed_mcp_protocol_stats *stats)
2427 {
2428         struct qed_eth_stats eth_stats;
2429
2430         memset(stats, 0, sizeof(*stats));
2431
2432         switch (type) {
2433         case QED_MCP_LAN_STATS:
2434                 qed_get_vport_stats(cdev, &eth_stats);
2435                 stats->lan_stats.ucast_rx_pkts =
2436                                         eth_stats.common.rx_ucast_pkts;
2437                 stats->lan_stats.ucast_tx_pkts =
2438                                         eth_stats.common.tx_ucast_pkts;
2439                 stats->lan_stats.fcs_err = -1;
2440                 break;
2441         case QED_MCP_FCOE_STATS:
2442                 qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
2443                 break;
2444         case QED_MCP_ISCSI_STATS:
2445                 qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
2446                 break;
2447         default:
2448                 DP_VERBOSE(cdev, QED_MSG_SP,
2449                            "Invalid protocol type = %d\n", type);
2450                 return;
2451         }
2452 }
2453
2454 int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
2455 {
2456         DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
2457                    "Scheduling slowpath task [Flag: %d]\n",
2458                    QED_SLOWPATH_MFW_TLV_REQ);
2459         smp_mb__before_atomic();
2460         set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
2461         smp_mb__after_atomic();
2462         queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
2463
2464         return 0;
2465 }
2466
2467 static void
2468 qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
2469 {
2470         struct qed_common_cb_ops *op = cdev->protocol_ops.common;
2471         struct qed_eth_stats_common *p_common;
2472         struct qed_generic_tlvs gen_tlvs;
2473         struct qed_eth_stats stats;
2474         int i;
2475
2476         memset(&gen_tlvs, 0, sizeof(gen_tlvs));
2477         op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
2478
2479         if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
2480                 tlv->flags.ipv4_csum_offload = true;
2481         if (gen_tlvs.feat_flags & QED_TLV_LSO)
2482                 tlv->flags.lso_supported = true;
2483         tlv->flags.b_set = true;
2484
2485         for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
2486                 if (is_valid_ether_addr(gen_tlvs.mac[i])) {
2487                         ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
2488                         tlv->mac_set[i] = true;
2489                 }
2490         }
2491
2492         qed_get_vport_stats(cdev, &stats);
2493         p_common = &stats.common;
2494         tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
2495                          p_common->rx_bcast_pkts;
2496         tlv->rx_frames_set = true;
2497         tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
2498                         p_common->rx_bcast_bytes;
2499         tlv->rx_bytes_set = true;
2500         tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
2501                          p_common->tx_bcast_pkts;
2502         tlv->tx_frames_set = true;
2503         tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
2504                         p_common->tx_bcast_bytes;
2505         tlv->rx_bytes_set = true;
2506 }
2507
2508 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
2509                           union qed_mfw_tlv_data *tlv_buf)
2510 {
2511         struct qed_dev *cdev = hwfn->cdev;
2512         struct qed_common_cb_ops *ops;
2513
2514         ops = cdev->protocol_ops.common;
2515         if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
2516                 DP_NOTICE(hwfn, "Can't collect TLV management info\n");
2517                 return -EINVAL;
2518         }
2519
2520         switch (type) {
2521         case QED_MFW_TLV_GENERIC:
2522                 qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
2523                 break;
2524         case QED_MFW_TLV_ETH:
2525                 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
2526                 break;
2527         case QED_MFW_TLV_FCOE:
2528                 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
2529                 break;
2530         case QED_MFW_TLV_ISCSI:
2531                 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
2532                 break;
2533         default:
2534                 break;
2535         }
2536
2537         return 0;
2538 }