1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3 * Copyright (c) 2015-2017 QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7 #include <linux/stddef.h>
8 #include <linux/pci.h>
9 #include <linux/kernel.h>
10 #include <linux/slab.h>
11 #include <linux/delay.h>
12 #include <asm/byteorder.h>
13 #include <linux/dma-mapping.h>
14 #include <linux/string.h>
15 #include <linux/module.h>
16 #include <linux/interrupt.h>
17 #include <linux/workqueue.h>
18 #include <linux/ethtool.h>
19 #include <linux/etherdevice.h>
20 #include <linux/vmalloc.h>
21 #include <linux/crash_dump.h>
22 #include <linux/crc32.h>
23 #include <linux/qed/qed_if.h>
24 #include <linux/qed/qed_ll2_if.h>
25 #include <net/devlink.h>
26 #include <linux/phylink.h>
27
28 #include "qed.h"
29 #include "qed_sriov.h"
30 #include "qed_sp.h"
31 #include "qed_dev_api.h"
32 #include "qed_ll2.h"
33 #include "qed_fcoe.h"
34 #include "qed_iscsi.h"
35
36 #include "qed_mcp.h"
37 #include "qed_reg_addr.h"
38 #include "qed_hw.h"
39 #include "qed_selftest.h"
40 #include "qed_debug.h"
41 #include "qed_devlink.h"
42
43 #define QED_ROCE_QPS (8192)
44 #define QED_ROCE_DPIS (8)
45 #define QED_RDMA_SRQS QED_ROCE_QPS
46 #define QED_NVM_CFG_GET_FLAGS 0xA
47 #define QED_NVM_CFG_GET_PF_FLAGS 0x1A
48 #define QED_NVM_CFG_MAX_ATTRS 50
49
50 static char version[] =
51 "QLogic FastLinQ 4xxxx Core Module qed\n";
52
53 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
54 MODULE_LICENSE("GPL");
55
56 #define FW_FILE_VERSION \
57 __stringify(FW_MAJOR_VERSION) "." \
58 __stringify(FW_MINOR_VERSION) "." \
59 __stringify(FW_REVISION_VERSION) "." \
60 __stringify(FW_ENGINEERING_VERSION)
61
62 #define QED_FW_FILE_NAME \
63 "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
64
65 MODULE_FIRMWARE(QED_FW_FILE_NAME);
66
67 /* MFW speed capabilities maps */
68
69 struct qed_mfw_speed_map {
70 u32 mfw_val;
71 __ETHTOOL_DECLARE_LINK_MODE_MASK(caps);
72
73 const u32 *cap_arr;
74 u32 arr_size;
75 };
76
77 #define QED_MFW_SPEED_MAP(type, arr) \
78 { \
79 .mfw_val = (type), \
80 .cap_arr = (arr), \
81 .arr_size = ARRAY_SIZE(arr), \
82 }
83
84 static const u32 qed_mfw_ext_1g[] __initconst = {
85 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
86 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
87 ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
88 };
89
90 static const u32 qed_mfw_ext_10g[] __initconst = {
91 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
92 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
93 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
94 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
95 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
96 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
97 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
98 ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
99 };
100
101 static const u32 qed_mfw_ext_25g[] __initconst = {
102 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
103 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
104 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
105 };
106
107 static const u32 qed_mfw_ext_40g[] __initconst = {
108 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
109 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
110 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
111 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
112 };
113
114 static const u32 qed_mfw_ext_50g_base_r[] __initconst = {
115 ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
116 ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
117 ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
118 ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
119 ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
120 };
121
122 static const u32 qed_mfw_ext_50g_base_r2[] __initconst = {
123 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
124 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
125 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
126 };
127
128 static const u32 qed_mfw_ext_100g_base_r2[] __initconst = {
129 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
130 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
131 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
132 ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
133 ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
134 };
135
136 static const u32 qed_mfw_ext_100g_base_r4[] __initconst = {
137 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
138 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
139 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
140 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
141 };
142
143 static struct qed_mfw_speed_map qed_mfw_ext_maps[] __ro_after_init = {
144 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_1G, qed_mfw_ext_1g),
145 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_10G, qed_mfw_ext_10g),
146 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_25G, qed_mfw_ext_25g),
147 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_40G, qed_mfw_ext_40g),
148 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R,
149 qed_mfw_ext_50g_base_r),
150 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R2,
151 qed_mfw_ext_50g_base_r2),
152 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R2,
153 qed_mfw_ext_100g_base_r2),
154 QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R4,
155 qed_mfw_ext_100g_base_r4),
156 };
157
158 static const u32 qed_mfw_legacy_1g[] __initconst = {
159 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
160 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
161 ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
162 };
163
164 static const u32 qed_mfw_legacy_10g[] __initconst = {
165 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
166 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
167 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
168 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
169 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
170 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
171 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
172 ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
173 };
174
175 static const u32 qed_mfw_legacy_20g[] __initconst = {
176 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
177 };
178
179 static const u32 qed_mfw_legacy_25g[] __initconst = {
180 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
181 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
182 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
183 };
184
185 static const u32 qed_mfw_legacy_40g[] __initconst = {
186 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
187 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
188 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
189 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
190 };
191
192 static const u32 qed_mfw_legacy_50g[] __initconst = {
193 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
194 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
195 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
196 };
197
198 static const u32 qed_mfw_legacy_bb_100g[] __initconst = {
199 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
200 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
201 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
202 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
203 };
204
205 static struct qed_mfw_speed_map qed_mfw_legacy_maps[] __ro_after_init = {
206 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G,
207 qed_mfw_legacy_1g),
208 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G,
209 qed_mfw_legacy_10g),
210 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G,
211 qed_mfw_legacy_20g),
212 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G,
213 qed_mfw_legacy_25g),
214 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G,
215 qed_mfw_legacy_40g),
216 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G,
217 qed_mfw_legacy_50g),
218 QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G,
219 qed_mfw_legacy_bb_100g),
220 };
221
qed_mfw_speed_map_populate(struct qed_mfw_speed_map * map)222 static void __init qed_mfw_speed_map_populate(struct qed_mfw_speed_map *map)
223 {
224 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
225
226 map->cap_arr = NULL;
227 map->arr_size = 0;
228 }
229
qed_mfw_speed_maps_init(void)230 static void __init qed_mfw_speed_maps_init(void)
231 {
232 u32 i;
233
234 for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++)
235 qed_mfw_speed_map_populate(qed_mfw_ext_maps + i);
236
237 for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++)
238 qed_mfw_speed_map_populate(qed_mfw_legacy_maps + i);
239 }
240
qed_init(void)241 static int __init qed_init(void)
242 {
243 pr_info("%s", version);
244
245 qed_mfw_speed_maps_init();
246
247 return 0;
248 }
249 module_init(qed_init);
250
qed_exit(void)251 static void __exit qed_exit(void)
252 {
253 /* To prevent marking this module as "permanent" */
254 }
255 module_exit(qed_exit);
256
qed_free_pci(struct qed_dev * cdev)257 static void qed_free_pci(struct qed_dev *cdev)
258 {
259 struct pci_dev *pdev = cdev->pdev;
260
261 if (cdev->doorbells && cdev->db_size)
262 iounmap(cdev->doorbells);
263 if (cdev->regview)
264 iounmap(cdev->regview);
265 if (atomic_read(&pdev->enable_cnt) == 1)
266 pci_release_regions(pdev);
267
268 pci_disable_device(pdev);
269 }
270
271 #define PCI_REVISION_ID_ERROR_VAL 0xff
272
273 /* Performs PCI initializations as well as initializing PCI-related parameters
274 * in the device structrue. Returns 0 in case of success.
275 */
qed_init_pci(struct qed_dev * cdev,struct pci_dev * pdev)276 static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
277 {
278 u8 rev_id;
279 int rc;
280
281 cdev->pdev = pdev;
282
283 rc = pci_enable_device(pdev);
284 if (rc) {
285 DP_NOTICE(cdev, "Cannot enable PCI device\n");
286 goto err0;
287 }
288
289 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
290 DP_NOTICE(cdev, "No memory region found in bar #0\n");
291 rc = -EIO;
292 goto err1;
293 }
294
295 if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
296 DP_NOTICE(cdev, "No memory region found in bar #2\n");
297 rc = -EIO;
298 goto err1;
299 }
300
301 if (atomic_read(&pdev->enable_cnt) == 1) {
302 rc = pci_request_regions(pdev, "qed");
303 if (rc) {
304 DP_NOTICE(cdev,
305 "Failed to request PCI memory resources\n");
306 goto err1;
307 }
308 pci_set_master(pdev);
309 pci_save_state(pdev);
310 }
311
312 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
313 if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
314 DP_NOTICE(cdev,
315 "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
316 rev_id);
317 rc = -ENODEV;
318 goto err2;
319 }
320 if (!pci_is_pcie(pdev)) {
321 DP_NOTICE(cdev, "The bus is not PCI Express\n");
322 rc = -EIO;
323 goto err2;
324 }
325
326 cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
327 if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
328 DP_NOTICE(cdev, "Cannot find power management capability\n");
329
330 rc = dma_set_mask_and_coherent(&cdev->pdev->dev, DMA_BIT_MASK(64));
331 if (rc) {
332 DP_NOTICE(cdev, "Can't request DMA addresses\n");
333 rc = -EIO;
334 goto err2;
335 }
336
337 cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
338 cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
339 cdev->pci_params.irq = pdev->irq;
340
341 cdev->regview = pci_ioremap_bar(pdev, 0);
342 if (!cdev->regview) {
343 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
344 rc = -ENOMEM;
345 goto err2;
346 }
347
348 cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
349 cdev->db_size = pci_resource_len(cdev->pdev, 2);
350 if (!cdev->db_size) {
351 if (IS_PF(cdev)) {
352 DP_NOTICE(cdev, "No Doorbell bar available\n");
353 return -EINVAL;
354 } else {
355 return 0;
356 }
357 }
358
359 cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
360
361 if (!cdev->doorbells) {
362 DP_NOTICE(cdev, "Cannot map doorbell space\n");
363 return -ENOMEM;
364 }
365
366 return 0;
367
368 err2:
369 pci_release_regions(pdev);
370 err1:
371 pci_disable_device(pdev);
372 err0:
373 return rc;
374 }
375
qed_fill_dev_info(struct qed_dev * cdev,struct qed_dev_info * dev_info)376 int qed_fill_dev_info(struct qed_dev *cdev,
377 struct qed_dev_info *dev_info)
378 {
379 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
380 struct qed_hw_info *hw_info = &p_hwfn->hw_info;
381 struct qed_tunnel_info *tun = &cdev->tunnel;
382 struct qed_ptt *ptt;
383
384 memset(dev_info, 0, sizeof(struct qed_dev_info));
385
386 if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
387 tun->vxlan.b_mode_enabled)
388 dev_info->vxlan_enable = true;
389
390 if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
391 tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
392 tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
393 dev_info->gre_enable = true;
394
395 if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
396 tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
397 tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
398 dev_info->geneve_enable = true;
399
400 dev_info->num_hwfns = cdev->num_hwfns;
401 dev_info->pci_mem_start = cdev->pci_params.mem_start;
402 dev_info->pci_mem_end = cdev->pci_params.mem_end;
403 dev_info->pci_irq = cdev->pci_params.irq;
404 dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
405 dev_info->dev_type = cdev->type;
406 ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
407
408 if (IS_PF(cdev)) {
409 dev_info->fw_major = FW_MAJOR_VERSION;
410 dev_info->fw_minor = FW_MINOR_VERSION;
411 dev_info->fw_rev = FW_REVISION_VERSION;
412 dev_info->fw_eng = FW_ENGINEERING_VERSION;
413 dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
414 &cdev->mf_bits);
415 if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits))
416 dev_info->b_arfs_capable = true;
417 dev_info->tx_switching = true;
418
419 if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
420 dev_info->wol_support = true;
421
422 dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
423 dev_info->esl = qed_mcp_is_esl_supported(p_hwfn);
424 dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
425 } else {
426 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
427 &dev_info->fw_minor, &dev_info->fw_rev,
428 &dev_info->fw_eng);
429 }
430
431 if (IS_PF(cdev)) {
432 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
433 if (ptt) {
434 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
435 &dev_info->mfw_rev, NULL);
436
437 qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
438 &dev_info->mbi_version);
439
440 qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
441 &dev_info->flash_size);
442
443 qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
444 }
445 } else {
446 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
447 &dev_info->mfw_rev, NULL);
448 }
449
450 dev_info->mtu = hw_info->mtu;
451 cdev->common_dev_info = *dev_info;
452
453 return 0;
454 }
455
qed_free_cdev(struct qed_dev * cdev)456 static void qed_free_cdev(struct qed_dev *cdev)
457 {
458 kfree((void *)cdev);
459 }
460
qed_alloc_cdev(struct pci_dev * pdev)461 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
462 {
463 struct qed_dev *cdev;
464
465 cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
466 if (!cdev)
467 return cdev;
468
469 qed_init_struct(cdev);
470
471 return cdev;
472 }
473
474 /* Sets the requested power state */
qed_set_power_state(struct qed_dev * cdev,pci_power_t state)475 static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
476 {
477 if (!cdev)
478 return -ENODEV;
479
480 DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
481 return 0;
482 }
483
484 /* probing */
qed_probe(struct pci_dev * pdev,struct qed_probe_params * params)485 static struct qed_dev *qed_probe(struct pci_dev *pdev,
486 struct qed_probe_params *params)
487 {
488 struct qed_dev *cdev;
489 int rc;
490
491 cdev = qed_alloc_cdev(pdev);
492 if (!cdev)
493 goto err0;
494
495 cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
496 cdev->protocol = params->protocol;
497
498 if (params->is_vf)
499 cdev->b_is_vf = true;
500
501 qed_init_dp(cdev, params->dp_module, params->dp_level);
502
503 cdev->recov_in_prog = params->recov_in_prog;
504
505 rc = qed_init_pci(cdev, pdev);
506 if (rc) {
507 DP_ERR(cdev, "init pci failed\n");
508 goto err1;
509 }
510 DP_INFO(cdev, "PCI init completed successfully\n");
511
512 rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
513 if (rc) {
514 DP_ERR(cdev, "hw prepare failed\n");
515 goto err2;
516 }
517
518 DP_INFO(cdev, "%s completed successfully\n", __func__);
519
520 return cdev;
521
522 err2:
523 qed_free_pci(cdev);
524 err1:
525 qed_free_cdev(cdev);
526 err0:
527 return NULL;
528 }
529
qed_remove(struct qed_dev * cdev)530 static void qed_remove(struct qed_dev *cdev)
531 {
532 if (!cdev)
533 return;
534
535 qed_hw_remove(cdev);
536
537 qed_free_pci(cdev);
538
539 qed_set_power_state(cdev, PCI_D3hot);
540
541 qed_free_cdev(cdev);
542 }
543
qed_disable_msix(struct qed_dev * cdev)544 static void qed_disable_msix(struct qed_dev *cdev)
545 {
546 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
547 pci_disable_msix(cdev->pdev);
548 kfree(cdev->int_params.msix_table);
549 } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
550 pci_disable_msi(cdev->pdev);
551 }
552
553 memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
554 }
555
qed_enable_msix(struct qed_dev * cdev,struct qed_int_params * int_params)556 static int qed_enable_msix(struct qed_dev *cdev,
557 struct qed_int_params *int_params)
558 {
559 int i, rc, cnt;
560
561 cnt = int_params->in.num_vectors;
562
563 for (i = 0; i < cnt; i++)
564 int_params->msix_table[i].entry = i;
565
566 rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
567 int_params->in.min_msix_cnt, cnt);
568 if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
569 (rc % cdev->num_hwfns)) {
570 pci_disable_msix(cdev->pdev);
571
572 /* If fastpath is initialized, we need at least one interrupt
573 * per hwfn [and the slow path interrupts]. New requested number
574 * should be a multiple of the number of hwfns.
575 */
576 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
577 DP_NOTICE(cdev,
578 "Trying to enable MSI-X with less vectors (%d out of %d)\n",
579 cnt, int_params->in.num_vectors);
580 rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
581 cnt);
582 if (!rc)
583 rc = cnt;
584 }
585
586 /* For VFs, we should return with an error in case we didn't get the
587 * exact number of msix vectors as we requested.
588 * Not doing that will lead to a crash when starting queues for
589 * this VF.
590 */
591 if ((IS_PF(cdev) && rc > 0) || (IS_VF(cdev) && rc == cnt)) {
592 /* MSI-x configuration was achieved */
593 int_params->out.int_mode = QED_INT_MODE_MSIX;
594 int_params->out.num_vectors = rc;
595 rc = 0;
596 } else {
597 DP_NOTICE(cdev,
598 "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
599 cnt, rc);
600 }
601
602 return rc;
603 }
604
605 /* This function outputs the int mode and the number of enabled msix vector */
qed_set_int_mode(struct qed_dev * cdev,bool force_mode)606 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
607 {
608 struct qed_int_params *int_params = &cdev->int_params;
609 struct msix_entry *tbl;
610 int rc = 0, cnt;
611
612 switch (int_params->in.int_mode) {
613 case QED_INT_MODE_MSIX:
614 /* Allocate MSIX table */
615 cnt = int_params->in.num_vectors;
616 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
617 if (!int_params->msix_table) {
618 rc = -ENOMEM;
619 goto out;
620 }
621
622 /* Enable MSIX */
623 rc = qed_enable_msix(cdev, int_params);
624 if (!rc)
625 goto out;
626
627 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
628 kfree(int_params->msix_table);
629 if (force_mode)
630 goto out;
631 fallthrough;
632
633 case QED_INT_MODE_MSI:
634 if (cdev->num_hwfns == 1) {
635 rc = pci_enable_msi(cdev->pdev);
636 if (!rc) {
637 int_params->out.int_mode = QED_INT_MODE_MSI;
638 goto out;
639 }
640
641 DP_NOTICE(cdev, "Failed to enable MSI\n");
642 if (force_mode)
643 goto out;
644 }
645 fallthrough;
646
647 case QED_INT_MODE_INTA:
648 int_params->out.int_mode = QED_INT_MODE_INTA;
649 rc = 0;
650 goto out;
651 default:
652 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
653 int_params->in.int_mode);
654 rc = -EINVAL;
655 }
656
657 out:
658 if (!rc)
659 DP_INFO(cdev, "Using %s interrupts\n",
660 int_params->out.int_mode == QED_INT_MODE_INTA ?
661 "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
662 "MSI" : "MSIX");
663 cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
664
665 return rc;
666 }
667
qed_simd_handler_config(struct qed_dev * cdev,void * token,int index,void (* handler)(void *))668 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
669 int index, void(*handler)(void *))
670 {
671 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
672 int relative_idx = index / cdev->num_hwfns;
673
674 hwfn->simd_proto_handler[relative_idx].func = handler;
675 hwfn->simd_proto_handler[relative_idx].token = token;
676 }
677
qed_simd_handler_clean(struct qed_dev * cdev,int index)678 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
679 {
680 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
681 int relative_idx = index / cdev->num_hwfns;
682
683 memset(&hwfn->simd_proto_handler[relative_idx], 0,
684 sizeof(struct qed_simd_fp_handler));
685 }
686
qed_msix_sp_int(int irq,void * tasklet)687 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
688 {
689 tasklet_schedule((struct tasklet_struct *)tasklet);
690 return IRQ_HANDLED;
691 }
692
qed_single_int(int irq,void * dev_instance)693 static irqreturn_t qed_single_int(int irq, void *dev_instance)
694 {
695 struct qed_dev *cdev = (struct qed_dev *)dev_instance;
696 struct qed_hwfn *hwfn;
697 irqreturn_t rc = IRQ_NONE;
698 u64 status;
699 int i, j;
700
701 for (i = 0; i < cdev->num_hwfns; i++) {
702 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
703
704 if (!status)
705 continue;
706
707 hwfn = &cdev->hwfns[i];
708
709 /* Slowpath interrupt */
710 if (unlikely(status & 0x1)) {
711 tasklet_schedule(&hwfn->sp_dpc);
712 status &= ~0x1;
713 rc = IRQ_HANDLED;
714 }
715
716 /* Fastpath interrupts */
717 for (j = 0; j < 64; j++) {
718 if ((0x2ULL << j) & status) {
719 struct qed_simd_fp_handler *p_handler =
720 &hwfn->simd_proto_handler[j];
721
722 if (p_handler->func)
723 p_handler->func(p_handler->token);
724 else
725 DP_NOTICE(hwfn,
726 "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
727 j, status);
728
729 status &= ~(0x2ULL << j);
730 rc = IRQ_HANDLED;
731 }
732 }
733
734 if (unlikely(status))
735 DP_VERBOSE(hwfn, NETIF_MSG_INTR,
736 "got an unknown interrupt status 0x%llx\n",
737 status);
738 }
739
740 return rc;
741 }
742
qed_slowpath_irq_req(struct qed_hwfn * hwfn)743 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
744 {
745 struct qed_dev *cdev = hwfn->cdev;
746 u32 int_mode;
747 int rc = 0;
748 u8 id;
749
750 int_mode = cdev->int_params.out.int_mode;
751 if (int_mode == QED_INT_MODE_MSIX) {
752 id = hwfn->my_id;
753 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
754 id, cdev->pdev->bus->number,
755 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
756 rc = request_irq(cdev->int_params.msix_table[id].vector,
757 qed_msix_sp_int, 0, hwfn->name, &hwfn->sp_dpc);
758 } else {
759 unsigned long flags = 0;
760
761 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
762 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
763 PCI_FUNC(cdev->pdev->devfn));
764
765 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
766 flags |= IRQF_SHARED;
767
768 rc = request_irq(cdev->pdev->irq, qed_single_int,
769 flags, cdev->name, cdev);
770 }
771
772 if (rc)
773 DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
774 else
775 DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
776 "Requested slowpath %s\n",
777 (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
778
779 return rc;
780 }
781
qed_slowpath_tasklet_flush(struct qed_hwfn * p_hwfn)782 static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
783 {
784 /* Calling the disable function will make sure that any
785 * currently-running function is completed. The following call to the
786 * enable function makes this sequence a flush-like operation.
787 */
788 if (p_hwfn->b_sp_dpc_enabled) {
789 tasklet_disable(&p_hwfn->sp_dpc);
790 tasklet_enable(&p_hwfn->sp_dpc);
791 }
792 }
793
qed_slowpath_irq_sync(struct qed_hwfn * p_hwfn)794 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
795 {
796 struct qed_dev *cdev = p_hwfn->cdev;
797 u8 id = p_hwfn->my_id;
798 u32 int_mode;
799
800 int_mode = cdev->int_params.out.int_mode;
801 if (int_mode == QED_INT_MODE_MSIX)
802 synchronize_irq(cdev->int_params.msix_table[id].vector);
803 else
804 synchronize_irq(cdev->pdev->irq);
805
806 qed_slowpath_tasklet_flush(p_hwfn);
807 }
808
qed_slowpath_irq_free(struct qed_dev * cdev)809 static void qed_slowpath_irq_free(struct qed_dev *cdev)
810 {
811 int i;
812
813 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
814 for_each_hwfn(cdev, i) {
815 if (!cdev->hwfns[i].b_int_requested)
816 break;
817 free_irq(cdev->int_params.msix_table[i].vector,
818 &cdev->hwfns[i].sp_dpc);
819 }
820 } else {
821 if (QED_LEADING_HWFN(cdev)->b_int_requested)
822 free_irq(cdev->pdev->irq, cdev);
823 }
824 qed_int_disable_post_isr_release(cdev);
825 }
826
qed_nic_stop(struct qed_dev * cdev)827 static int qed_nic_stop(struct qed_dev *cdev)
828 {
829 int i, rc;
830
831 rc = qed_hw_stop(cdev);
832
833 for (i = 0; i < cdev->num_hwfns; i++) {
834 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
835
836 if (p_hwfn->b_sp_dpc_enabled) {
837 tasklet_disable(&p_hwfn->sp_dpc);
838 p_hwfn->b_sp_dpc_enabled = false;
839 DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
840 "Disabled sp tasklet [hwfn %d] at %p\n",
841 i, &p_hwfn->sp_dpc);
842 }
843 }
844
845 qed_dbg_pf_exit(cdev);
846
847 return rc;
848 }
849
qed_nic_setup(struct qed_dev * cdev)850 static int qed_nic_setup(struct qed_dev *cdev)
851 {
852 int rc, i;
853
854 /* Determine if interface is going to require LL2 */
855 if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
856 for (i = 0; i < cdev->num_hwfns; i++) {
857 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
858
859 p_hwfn->using_ll2 = true;
860 }
861 }
862
863 rc = qed_resc_alloc(cdev);
864 if (rc)
865 return rc;
866
867 DP_INFO(cdev, "Allocated qed resources\n");
868
869 qed_resc_setup(cdev);
870
871 return rc;
872 }
873
qed_set_int_fp(struct qed_dev * cdev,u16 cnt)874 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
875 {
876 int limit = 0;
877
878 /* Mark the fastpath as free/used */
879 cdev->int_params.fp_initialized = cnt ? true : false;
880
881 if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
882 limit = cdev->num_hwfns * 63;
883 else if (cdev->int_params.fp_msix_cnt)
884 limit = cdev->int_params.fp_msix_cnt;
885
886 if (!limit)
887 return -ENOMEM;
888
889 return min_t(int, cnt, limit);
890 }
891
qed_get_int_fp(struct qed_dev * cdev,struct qed_int_info * info)892 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
893 {
894 memset(info, 0, sizeof(struct qed_int_info));
895
896 if (!cdev->int_params.fp_initialized) {
897 DP_INFO(cdev,
898 "Protocol driver requested interrupt information, but its support is not yet configured\n");
899 return -EINVAL;
900 }
901
902 /* Need to expose only MSI-X information; Single IRQ is handled solely
903 * by qed.
904 */
905 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
906 int msix_base = cdev->int_params.fp_msix_base;
907
908 info->msix_cnt = cdev->int_params.fp_msix_cnt;
909 info->msix = &cdev->int_params.msix_table[msix_base];
910 }
911
912 return 0;
913 }
914
qed_slowpath_setup_int(struct qed_dev * cdev,enum qed_int_mode int_mode)915 static int qed_slowpath_setup_int(struct qed_dev *cdev,
916 enum qed_int_mode int_mode)
917 {
918 struct qed_sb_cnt_info sb_cnt_info;
919 int num_l2_queues = 0;
920 int rc;
921 int i;
922
923 if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
924 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
925 return -EINVAL;
926 }
927
928 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
929 cdev->int_params.in.int_mode = int_mode;
930 for_each_hwfn(cdev, i) {
931 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
932 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
933 cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
934 cdev->int_params.in.num_vectors++; /* slowpath */
935 }
936
937 /* We want a minimum of one slowpath and one fastpath vector per hwfn */
938 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
939
940 if (is_kdump_kernel()) {
941 DP_INFO(cdev,
942 "Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
943 cdev->int_params.in.min_msix_cnt);
944 cdev->int_params.in.num_vectors =
945 cdev->int_params.in.min_msix_cnt;
946 }
947
948 rc = qed_set_int_mode(cdev, false);
949 if (rc) {
950 DP_ERR(cdev, "%s ERR\n", __func__);
951 return rc;
952 }
953
954 cdev->int_params.fp_msix_base = cdev->num_hwfns;
955 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
956 cdev->num_hwfns;
957
958 if (!IS_ENABLED(CONFIG_QED_RDMA) ||
959 !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
960 return 0;
961
962 for_each_hwfn(cdev, i)
963 num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
964
965 DP_VERBOSE(cdev, QED_MSG_RDMA,
966 "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
967 cdev->int_params.fp_msix_cnt, num_l2_queues);
968
969 if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
970 cdev->int_params.rdma_msix_cnt =
971 (cdev->int_params.fp_msix_cnt - num_l2_queues)
972 / cdev->num_hwfns;
973 cdev->int_params.rdma_msix_base =
974 cdev->int_params.fp_msix_base + num_l2_queues;
975 cdev->int_params.fp_msix_cnt = num_l2_queues;
976 } else {
977 cdev->int_params.rdma_msix_cnt = 0;
978 }
979
980 DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
981 cdev->int_params.rdma_msix_cnt,
982 cdev->int_params.rdma_msix_base);
983
984 return 0;
985 }
986
qed_slowpath_vf_setup_int(struct qed_dev * cdev)987 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
988 {
989 int rc;
990
991 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
992 cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
993
994 qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
995 &cdev->int_params.in.num_vectors);
996 if (cdev->num_hwfns > 1) {
997 u8 vectors = 0;
998
999 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
1000 cdev->int_params.in.num_vectors += vectors;
1001 }
1002
1003 /* We want a minimum of one fastpath vector per vf hwfn */
1004 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
1005
1006 rc = qed_set_int_mode(cdev, true);
1007 if (rc)
1008 return rc;
1009
1010 cdev->int_params.fp_msix_base = 0;
1011 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
1012
1013 return 0;
1014 }
1015
qed_unzip_data(struct qed_hwfn * p_hwfn,u32 input_len,u8 * input_buf,u32 max_size,u8 * unzip_buf)1016 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
1017 u8 *input_buf, u32 max_size, u8 *unzip_buf)
1018 {
1019 int rc;
1020
1021 p_hwfn->stream->next_in = input_buf;
1022 p_hwfn->stream->avail_in = input_len;
1023 p_hwfn->stream->next_out = unzip_buf;
1024 p_hwfn->stream->avail_out = max_size;
1025
1026 rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
1027
1028 if (rc != Z_OK) {
1029 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
1030 rc);
1031 return 0;
1032 }
1033
1034 rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
1035 zlib_inflateEnd(p_hwfn->stream);
1036
1037 if (rc != Z_OK && rc != Z_STREAM_END) {
1038 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
1039 p_hwfn->stream->msg, rc);
1040 return 0;
1041 }
1042
1043 return p_hwfn->stream->total_out / 4;
1044 }
1045
qed_alloc_stream_mem(struct qed_dev * cdev)1046 static int qed_alloc_stream_mem(struct qed_dev *cdev)
1047 {
1048 int i;
1049 void *workspace;
1050
1051 for_each_hwfn(cdev, i) {
1052 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1053
1054 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
1055 if (!p_hwfn->stream)
1056 return -ENOMEM;
1057
1058 workspace = vzalloc(zlib_inflate_workspacesize());
1059 if (!workspace)
1060 return -ENOMEM;
1061 p_hwfn->stream->workspace = workspace;
1062 }
1063
1064 return 0;
1065 }
1066
qed_free_stream_mem(struct qed_dev * cdev)1067 static void qed_free_stream_mem(struct qed_dev *cdev)
1068 {
1069 int i;
1070
1071 for_each_hwfn(cdev, i) {
1072 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1073
1074 if (!p_hwfn->stream)
1075 return;
1076
1077 vfree(p_hwfn->stream->workspace);
1078 kfree(p_hwfn->stream);
1079 }
1080 }
1081
qed_update_pf_params(struct qed_dev * cdev,struct qed_pf_params * params)1082 static void qed_update_pf_params(struct qed_dev *cdev,
1083 struct qed_pf_params *params)
1084 {
1085 int i;
1086
1087 if (IS_ENABLED(CONFIG_QED_RDMA)) {
1088 params->rdma_pf_params.num_qps = QED_ROCE_QPS;
1089 params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
1090 params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
1091 /* divide by 3 the MRs to avoid MF ILT overflow */
1092 params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
1093 }
1094
1095 if (cdev->num_hwfns > 1 || IS_VF(cdev))
1096 params->eth_pf_params.num_arfs_filters = 0;
1097
1098 /* In case we might support RDMA, don't allow qede to be greedy
1099 * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
1100 * per hwfn.
1101 */
1102 if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
1103 u16 *num_cons;
1104
1105 num_cons = ¶ms->eth_pf_params.num_cons;
1106 *num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
1107 }
1108
1109 for (i = 0; i < cdev->num_hwfns; i++) {
1110 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1111
1112 p_hwfn->pf_params = *params;
1113 }
1114 }
1115
1116 #define QED_PERIODIC_DB_REC_COUNT 10
1117 #define QED_PERIODIC_DB_REC_INTERVAL_MS 100
1118 #define QED_PERIODIC_DB_REC_INTERVAL \
1119 msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
1120
qed_slowpath_delayed_work(struct qed_hwfn * hwfn,enum qed_slowpath_wq_flag wq_flag,unsigned long delay)1121 static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
1122 enum qed_slowpath_wq_flag wq_flag,
1123 unsigned long delay)
1124 {
1125 if (!hwfn->slowpath_wq_active)
1126 return -EINVAL;
1127
1128 /* Memory barrier for setting atomic bit */
1129 smp_mb__before_atomic();
1130 set_bit(wq_flag, &hwfn->slowpath_task_flags);
1131 /* Memory barrier after setting atomic bit */
1132 smp_mb__after_atomic();
1133 queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
1134
1135 return 0;
1136 }
1137
qed_periodic_db_rec_start(struct qed_hwfn * p_hwfn)1138 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
1139 {
1140 /* Reset periodic Doorbell Recovery counter */
1141 p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1142
1143 /* Don't schedule periodic Doorbell Recovery if already scheduled */
1144 if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1145 &p_hwfn->slowpath_task_flags))
1146 return;
1147
1148 qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1149 QED_PERIODIC_DB_REC_INTERVAL);
1150 }
1151
qed_slowpath_wq_stop(struct qed_dev * cdev)1152 static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1153 {
1154 int i;
1155
1156 if (IS_VF(cdev))
1157 return;
1158
1159 for_each_hwfn(cdev, i) {
1160 if (!cdev->hwfns[i].slowpath_wq)
1161 continue;
1162
1163 /* Stop queuing new delayed works */
1164 cdev->hwfns[i].slowpath_wq_active = false;
1165
1166 cancel_delayed_work(&cdev->hwfns[i].slowpath_task);
1167 destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1168 }
1169 }
1170
qed_slowpath_task(struct work_struct * work)1171 static void qed_slowpath_task(struct work_struct *work)
1172 {
1173 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1174 slowpath_task.work);
1175 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1176
1177 if (!ptt) {
1178 if (hwfn->slowpath_wq_active)
1179 queue_delayed_work(hwfn->slowpath_wq,
1180 &hwfn->slowpath_task, 0);
1181
1182 return;
1183 }
1184
1185 if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1186 &hwfn->slowpath_task_flags))
1187 qed_mfw_process_tlv_req(hwfn, ptt);
1188
1189 if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1190 &hwfn->slowpath_task_flags)) {
1191 /* skip qed_db_rec_handler during recovery/unload */
1192 if (hwfn->cdev->recov_in_prog || !hwfn->slowpath_wq_active)
1193 goto out;
1194
1195 qed_db_rec_handler(hwfn, ptt);
1196 if (hwfn->periodic_db_rec_count--)
1197 qed_slowpath_delayed_work(hwfn,
1198 QED_SLOWPATH_PERIODIC_DB_REC,
1199 QED_PERIODIC_DB_REC_INTERVAL);
1200 }
1201
1202 out:
1203 qed_ptt_release(hwfn, ptt);
1204 }
1205
qed_slowpath_wq_start(struct qed_dev * cdev)1206 static int qed_slowpath_wq_start(struct qed_dev *cdev)
1207 {
1208 struct qed_hwfn *hwfn;
1209 int i;
1210
1211 if (IS_VF(cdev))
1212 return 0;
1213
1214 for_each_hwfn(cdev, i) {
1215 hwfn = &cdev->hwfns[i];
1216
1217 hwfn->slowpath_wq = alloc_workqueue("slowpath-%02x:%02x.%02x",
1218 0, 0, cdev->pdev->bus->number,
1219 PCI_SLOT(cdev->pdev->devfn),
1220 hwfn->abs_pf_id);
1221
1222 if (!hwfn->slowpath_wq) {
1223 DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1224 return -ENOMEM;
1225 }
1226
1227 INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1228 hwfn->slowpath_wq_active = true;
1229 }
1230
1231 return 0;
1232 }
1233
qed_slowpath_start(struct qed_dev * cdev,struct qed_slowpath_params * params)1234 static int qed_slowpath_start(struct qed_dev *cdev,
1235 struct qed_slowpath_params *params)
1236 {
1237 struct qed_drv_load_params drv_load_params;
1238 struct qed_hw_init_params hw_init_params;
1239 struct qed_mcp_drv_version drv_version;
1240 struct qed_tunnel_info tunn_info;
1241 const u8 *data = NULL;
1242 struct qed_hwfn *hwfn;
1243 struct qed_ptt *p_ptt;
1244 int rc = -EINVAL;
1245
1246 if (qed_iov_wq_start(cdev))
1247 goto err;
1248
1249 if (qed_slowpath_wq_start(cdev))
1250 goto err;
1251
1252 if (IS_PF(cdev)) {
1253 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1254 &cdev->pdev->dev);
1255 if (rc) {
1256 DP_NOTICE(cdev,
1257 "Failed to find fw file - /lib/firmware/%s\n",
1258 QED_FW_FILE_NAME);
1259 goto err;
1260 }
1261
1262 if (cdev->num_hwfns == 1) {
1263 p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1264 if (p_ptt) {
1265 QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1266 } else {
1267 DP_NOTICE(cdev,
1268 "Failed to acquire PTT for aRFS\n");
1269 rc = -EINVAL;
1270 goto err;
1271 }
1272 }
1273 }
1274
1275 cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1276 rc = qed_nic_setup(cdev);
1277 if (rc)
1278 goto err;
1279
1280 if (IS_PF(cdev))
1281 rc = qed_slowpath_setup_int(cdev, params->int_mode);
1282 else
1283 rc = qed_slowpath_vf_setup_int(cdev);
1284 if (rc)
1285 goto err1;
1286
1287 if (IS_PF(cdev)) {
1288 /* Allocate stream for unzipping */
1289 rc = qed_alloc_stream_mem(cdev);
1290 if (rc)
1291 goto err2;
1292
1293 /* First Dword used to differentiate between various sources */
1294 data = cdev->firmware->data + sizeof(u32);
1295
1296 qed_dbg_pf_init(cdev);
1297 }
1298
1299 /* Start the slowpath */
1300 memset(&hw_init_params, 0, sizeof(hw_init_params));
1301 memset(&tunn_info, 0, sizeof(tunn_info));
1302 tunn_info.vxlan.b_mode_enabled = true;
1303 tunn_info.l2_gre.b_mode_enabled = true;
1304 tunn_info.ip_gre.b_mode_enabled = true;
1305 tunn_info.l2_geneve.b_mode_enabled = true;
1306 tunn_info.ip_geneve.b_mode_enabled = true;
1307 tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1308 tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1309 tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1310 tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1311 tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1312 hw_init_params.p_tunn = &tunn_info;
1313 hw_init_params.b_hw_start = true;
1314 hw_init_params.int_mode = cdev->int_params.out.int_mode;
1315 hw_init_params.allow_npar_tx_switch = true;
1316 hw_init_params.bin_fw_data = data;
1317
1318 memset(&drv_load_params, 0, sizeof(drv_load_params));
1319 drv_load_params.is_crash_kernel = is_kdump_kernel();
1320 drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1321 drv_load_params.avoid_eng_reset = false;
1322 drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1323 hw_init_params.p_drv_load_params = &drv_load_params;
1324
1325 rc = qed_hw_init(cdev, &hw_init_params);
1326 if (rc)
1327 goto err2;
1328
1329 DP_INFO(cdev,
1330 "HW initialization and function start completed successfully\n");
1331
1332 if (IS_PF(cdev)) {
1333 cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1334 BIT(QED_MODE_L2GENEVE_TUNN) |
1335 BIT(QED_MODE_IPGENEVE_TUNN) |
1336 BIT(QED_MODE_L2GRE_TUNN) |
1337 BIT(QED_MODE_IPGRE_TUNN));
1338 }
1339
1340 /* Allocate LL2 interface if needed */
1341 if (QED_LEADING_HWFN(cdev)->using_ll2) {
1342 rc = qed_ll2_alloc_if(cdev);
1343 if (rc)
1344 goto err3;
1345 }
1346 if (IS_PF(cdev)) {
1347 hwfn = QED_LEADING_HWFN(cdev);
1348 drv_version.version = (params->drv_major << 24) |
1349 (params->drv_minor << 16) |
1350 (params->drv_rev << 8) |
1351 (params->drv_eng);
1352 strscpy(drv_version.name, params->name,
1353 MCP_DRV_VER_STR_SIZE - 4);
1354 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1355 &drv_version);
1356 if (rc) {
1357 DP_NOTICE(cdev, "Failed sending drv version command\n");
1358 goto err4;
1359 }
1360 }
1361
1362 qed_reset_vport_stats(cdev);
1363
1364 return 0;
1365
1366 err4:
1367 qed_ll2_dealloc_if(cdev);
1368 err3:
1369 qed_hw_stop(cdev);
1370 err2:
1371 qed_hw_timers_stop_all(cdev);
1372 if (IS_PF(cdev))
1373 qed_slowpath_irq_free(cdev);
1374 qed_free_stream_mem(cdev);
1375 qed_disable_msix(cdev);
1376 err1:
1377 qed_resc_free(cdev);
1378 err:
1379 if (IS_PF(cdev))
1380 release_firmware(cdev->firmware);
1381
1382 if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1383 QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1384 qed_ptt_release(QED_LEADING_HWFN(cdev),
1385 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1386
1387 qed_iov_wq_stop(cdev, false);
1388
1389 qed_slowpath_wq_stop(cdev);
1390
1391 return rc;
1392 }
1393
qed_slowpath_stop(struct qed_dev * cdev)1394 static int qed_slowpath_stop(struct qed_dev *cdev)
1395 {
1396 if (!cdev)
1397 return -ENODEV;
1398
1399 qed_slowpath_wq_stop(cdev);
1400
1401 qed_ll2_dealloc_if(cdev);
1402
1403 if (IS_PF(cdev)) {
1404 if (cdev->num_hwfns == 1)
1405 qed_ptt_release(QED_LEADING_HWFN(cdev),
1406 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1407 qed_free_stream_mem(cdev);
1408 if (IS_QED_ETH_IF(cdev))
1409 qed_sriov_disable(cdev, true);
1410 }
1411
1412 qed_nic_stop(cdev);
1413
1414 if (IS_PF(cdev))
1415 qed_slowpath_irq_free(cdev);
1416
1417 qed_disable_msix(cdev);
1418
1419 qed_resc_free(cdev);
1420
1421 qed_iov_wq_stop(cdev, true);
1422
1423 if (IS_PF(cdev))
1424 release_firmware(cdev->firmware);
1425
1426 return 0;
1427 }
1428
qed_set_name(struct qed_dev * cdev,char name[NAME_SIZE])1429 static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1430 {
1431 int i;
1432
1433 memcpy(cdev->name, name, NAME_SIZE);
1434 for_each_hwfn(cdev, i)
1435 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1436 }
1437
qed_sb_init(struct qed_dev * cdev,struct qed_sb_info * sb_info,void * sb_virt_addr,dma_addr_t sb_phy_addr,u16 sb_id,enum qed_sb_type type)1438 static u32 qed_sb_init(struct qed_dev *cdev,
1439 struct qed_sb_info *sb_info,
1440 void *sb_virt_addr,
1441 dma_addr_t sb_phy_addr, u16 sb_id,
1442 enum qed_sb_type type)
1443 {
1444 struct qed_hwfn *p_hwfn;
1445 struct qed_ptt *p_ptt;
1446 u16 rel_sb_id;
1447 u32 rc;
1448
1449 /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1450 if (type == QED_SB_TYPE_L2_QUEUE) {
1451 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1452 rel_sb_id = sb_id / cdev->num_hwfns;
1453 } else {
1454 p_hwfn = QED_AFFIN_HWFN(cdev);
1455 rel_sb_id = sb_id;
1456 }
1457
1458 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1459 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1460 IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1461
1462 if (IS_PF(p_hwfn->cdev)) {
1463 p_ptt = qed_ptt_acquire(p_hwfn);
1464 if (!p_ptt)
1465 return -EBUSY;
1466
1467 rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1468 sb_phy_addr, rel_sb_id);
1469 qed_ptt_release(p_hwfn, p_ptt);
1470 } else {
1471 rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1472 sb_phy_addr, rel_sb_id);
1473 }
1474
1475 return rc;
1476 }
1477
qed_sb_release(struct qed_dev * cdev,struct qed_sb_info * sb_info,u16 sb_id,enum qed_sb_type type)1478 static u32 qed_sb_release(struct qed_dev *cdev,
1479 struct qed_sb_info *sb_info,
1480 u16 sb_id,
1481 enum qed_sb_type type)
1482 {
1483 struct qed_hwfn *p_hwfn;
1484 u16 rel_sb_id;
1485 u32 rc;
1486
1487 /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1488 if (type == QED_SB_TYPE_L2_QUEUE) {
1489 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1490 rel_sb_id = sb_id / cdev->num_hwfns;
1491 } else {
1492 p_hwfn = QED_AFFIN_HWFN(cdev);
1493 rel_sb_id = sb_id;
1494 }
1495
1496 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1497 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1498 IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1499
1500 rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1501
1502 return rc;
1503 }
1504
qed_can_link_change(struct qed_dev * cdev)1505 static bool qed_can_link_change(struct qed_dev *cdev)
1506 {
1507 return true;
1508 }
1509
qed_set_ext_speed_params(struct qed_mcp_link_params * link_params,const struct qed_link_params * params)1510 static void qed_set_ext_speed_params(struct qed_mcp_link_params *link_params,
1511 const struct qed_link_params *params)
1512 {
1513 struct qed_mcp_link_speed_params *ext_speed = &link_params->ext_speed;
1514 const struct qed_mfw_speed_map *map;
1515 u32 i;
1516
1517 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1518 ext_speed->autoneg = !!params->autoneg;
1519
1520 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1521 ext_speed->advertised_speeds = 0;
1522
1523 for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++) {
1524 map = qed_mfw_ext_maps + i;
1525
1526 if (linkmode_intersects(params->adv_speeds, map->caps))
1527 ext_speed->advertised_speeds |= map->mfw_val;
1528 }
1529 }
1530
1531 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED) {
1532 switch (params->forced_speed) {
1533 case SPEED_1000:
1534 ext_speed->forced_speed = QED_EXT_SPEED_1G;
1535 break;
1536 case SPEED_10000:
1537 ext_speed->forced_speed = QED_EXT_SPEED_10G;
1538 break;
1539 case SPEED_20000:
1540 ext_speed->forced_speed = QED_EXT_SPEED_20G;
1541 break;
1542 case SPEED_25000:
1543 ext_speed->forced_speed = QED_EXT_SPEED_25G;
1544 break;
1545 case SPEED_40000:
1546 ext_speed->forced_speed = QED_EXT_SPEED_40G;
1547 break;
1548 case SPEED_50000:
1549 ext_speed->forced_speed = QED_EXT_SPEED_50G_R |
1550 QED_EXT_SPEED_50G_R2;
1551 break;
1552 case SPEED_100000:
1553 ext_speed->forced_speed = QED_EXT_SPEED_100G_R2 |
1554 QED_EXT_SPEED_100G_R4 |
1555 QED_EXT_SPEED_100G_P4;
1556 break;
1557 default:
1558 break;
1559 }
1560 }
1561
1562 if (!(params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG))
1563 return;
1564
1565 switch (params->forced_speed) {
1566 case SPEED_25000:
1567 switch (params->fec) {
1568 case FEC_FORCE_MODE_NONE:
1569 link_params->ext_fec_mode = ETH_EXT_FEC_25G_NONE;
1570 break;
1571 case FEC_FORCE_MODE_FIRECODE:
1572 link_params->ext_fec_mode = ETH_EXT_FEC_25G_BASE_R;
1573 break;
1574 case FEC_FORCE_MODE_RS:
1575 link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528;
1576 break;
1577 case FEC_FORCE_MODE_AUTO:
1578 link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528 |
1579 ETH_EXT_FEC_25G_BASE_R |
1580 ETH_EXT_FEC_25G_NONE;
1581 break;
1582 default:
1583 break;
1584 }
1585
1586 break;
1587 case SPEED_40000:
1588 switch (params->fec) {
1589 case FEC_FORCE_MODE_NONE:
1590 link_params->ext_fec_mode = ETH_EXT_FEC_40G_NONE;
1591 break;
1592 case FEC_FORCE_MODE_FIRECODE:
1593 link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R;
1594 break;
1595 case FEC_FORCE_MODE_AUTO:
1596 link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R |
1597 ETH_EXT_FEC_40G_NONE;
1598 break;
1599 default:
1600 break;
1601 }
1602
1603 break;
1604 case SPEED_50000:
1605 switch (params->fec) {
1606 case FEC_FORCE_MODE_NONE:
1607 link_params->ext_fec_mode = ETH_EXT_FEC_50G_NONE;
1608 break;
1609 case FEC_FORCE_MODE_FIRECODE:
1610 link_params->ext_fec_mode = ETH_EXT_FEC_50G_BASE_R;
1611 break;
1612 case FEC_FORCE_MODE_RS:
1613 link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528;
1614 break;
1615 case FEC_FORCE_MODE_AUTO:
1616 link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528 |
1617 ETH_EXT_FEC_50G_BASE_R |
1618 ETH_EXT_FEC_50G_NONE;
1619 break;
1620 default:
1621 break;
1622 }
1623
1624 break;
1625 case SPEED_100000:
1626 switch (params->fec) {
1627 case FEC_FORCE_MODE_NONE:
1628 link_params->ext_fec_mode = ETH_EXT_FEC_100G_NONE;
1629 break;
1630 case FEC_FORCE_MODE_FIRECODE:
1631 link_params->ext_fec_mode = ETH_EXT_FEC_100G_BASE_R;
1632 break;
1633 case FEC_FORCE_MODE_RS:
1634 link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528;
1635 break;
1636 case FEC_FORCE_MODE_AUTO:
1637 link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528 |
1638 ETH_EXT_FEC_100G_BASE_R |
1639 ETH_EXT_FEC_100G_NONE;
1640 break;
1641 default:
1642 break;
1643 }
1644
1645 break;
1646 default:
1647 break;
1648 }
1649 }
1650
qed_set_link(struct qed_dev * cdev,struct qed_link_params * params)1651 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1652 {
1653 struct qed_mcp_link_params *link_params;
1654 struct qed_mcp_link_speed_params *speed;
1655 const struct qed_mfw_speed_map *map;
1656 struct qed_hwfn *hwfn;
1657 struct qed_ptt *ptt;
1658 int rc;
1659 u32 i;
1660
1661 if (!cdev)
1662 return -ENODEV;
1663
1664 /* The link should be set only once per PF */
1665 hwfn = &cdev->hwfns[0];
1666
1667 /* When VF wants to set link, force it to read the bulletin instead.
1668 * This mimics the PF behavior, where a noitification [both immediate
1669 * and possible later] would be generated when changing properties.
1670 */
1671 if (IS_VF(cdev)) {
1672 qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1673 return 0;
1674 }
1675
1676 ptt = qed_ptt_acquire(hwfn);
1677 if (!ptt)
1678 return -EBUSY;
1679
1680 link_params = qed_mcp_get_link_params(hwfn);
1681 if (!link_params)
1682 return -ENODATA;
1683
1684 speed = &link_params->speed;
1685
1686 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1687 speed->autoneg = !!params->autoneg;
1688
1689 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1690 speed->advertised_speeds = 0;
1691
1692 for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++) {
1693 map = qed_mfw_legacy_maps + i;
1694
1695 if (linkmode_intersects(params->adv_speeds, map->caps))
1696 speed->advertised_speeds |= map->mfw_val;
1697 }
1698 }
1699
1700 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1701 speed->forced_speed = params->forced_speed;
1702
1703 if (qed_mcp_is_ext_speed_supported(hwfn))
1704 qed_set_ext_speed_params(link_params, params);
1705
1706 if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1707 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1708 link_params->pause.autoneg = true;
1709 else
1710 link_params->pause.autoneg = false;
1711 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1712 link_params->pause.forced_rx = true;
1713 else
1714 link_params->pause.forced_rx = false;
1715 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1716 link_params->pause.forced_tx = true;
1717 else
1718 link_params->pause.forced_tx = false;
1719 }
1720
1721 if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1722 switch (params->loopback_mode) {
1723 case QED_LINK_LOOPBACK_INT_PHY:
1724 link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1725 break;
1726 case QED_LINK_LOOPBACK_EXT_PHY:
1727 link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1728 break;
1729 case QED_LINK_LOOPBACK_EXT:
1730 link_params->loopback_mode = ETH_LOOPBACK_EXT;
1731 break;
1732 case QED_LINK_LOOPBACK_MAC:
1733 link_params->loopback_mode = ETH_LOOPBACK_MAC;
1734 break;
1735 case QED_LINK_LOOPBACK_CNIG_AH_ONLY_0123:
1736 link_params->loopback_mode =
1737 ETH_LOOPBACK_CNIG_AH_ONLY_0123;
1738 break;
1739 case QED_LINK_LOOPBACK_CNIG_AH_ONLY_2301:
1740 link_params->loopback_mode =
1741 ETH_LOOPBACK_CNIG_AH_ONLY_2301;
1742 break;
1743 case QED_LINK_LOOPBACK_PCS_AH_ONLY:
1744 link_params->loopback_mode = ETH_LOOPBACK_PCS_AH_ONLY;
1745 break;
1746 case QED_LINK_LOOPBACK_REVERSE_MAC_AH_ONLY:
1747 link_params->loopback_mode =
1748 ETH_LOOPBACK_REVERSE_MAC_AH_ONLY;
1749 break;
1750 case QED_LINK_LOOPBACK_INT_PHY_FEA_AH_ONLY:
1751 link_params->loopback_mode =
1752 ETH_LOOPBACK_INT_PHY_FEA_AH_ONLY;
1753 break;
1754 default:
1755 link_params->loopback_mode = ETH_LOOPBACK_NONE;
1756 break;
1757 }
1758 }
1759
1760 if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1761 memcpy(&link_params->eee, ¶ms->eee,
1762 sizeof(link_params->eee));
1763
1764 if (params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG)
1765 link_params->fec = params->fec;
1766
1767 rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1768
1769 qed_ptt_release(hwfn, ptt);
1770
1771 return rc;
1772 }
1773
qed_get_port_type(u32 media_type)1774 static int qed_get_port_type(u32 media_type)
1775 {
1776 int port_type;
1777
1778 switch (media_type) {
1779 case MEDIA_SFPP_10G_FIBER:
1780 case MEDIA_SFP_1G_FIBER:
1781 case MEDIA_XFP_FIBER:
1782 case MEDIA_MODULE_FIBER:
1783 port_type = PORT_FIBRE;
1784 break;
1785 case MEDIA_DA_TWINAX:
1786 port_type = PORT_DA;
1787 break;
1788 case MEDIA_BASE_T:
1789 port_type = PORT_TP;
1790 break;
1791 case MEDIA_KR:
1792 case MEDIA_NOT_PRESENT:
1793 port_type = PORT_NONE;
1794 break;
1795 case MEDIA_UNSPECIFIED:
1796 default:
1797 port_type = PORT_OTHER;
1798 break;
1799 }
1800 return port_type;
1801 }
1802
qed_get_link_data(struct qed_hwfn * hwfn,struct qed_mcp_link_params * params,struct qed_mcp_link_state * link,struct qed_mcp_link_capabilities * link_caps)1803 static int qed_get_link_data(struct qed_hwfn *hwfn,
1804 struct qed_mcp_link_params *params,
1805 struct qed_mcp_link_state *link,
1806 struct qed_mcp_link_capabilities *link_caps)
1807 {
1808 void *p;
1809
1810 if (!IS_PF(hwfn->cdev)) {
1811 qed_vf_get_link_params(hwfn, params);
1812 qed_vf_get_link_state(hwfn, link);
1813 qed_vf_get_link_caps(hwfn, link_caps);
1814
1815 return 0;
1816 }
1817
1818 p = qed_mcp_get_link_params(hwfn);
1819 if (!p)
1820 return -ENXIO;
1821 memcpy(params, p, sizeof(*params));
1822
1823 p = qed_mcp_get_link_state(hwfn);
1824 if (!p)
1825 return -ENXIO;
1826 memcpy(link, p, sizeof(*link));
1827
1828 p = qed_mcp_get_link_capabilities(hwfn);
1829 if (!p)
1830 return -ENXIO;
1831 memcpy(link_caps, p, sizeof(*link_caps));
1832
1833 return 0;
1834 }
1835
qed_fill_link_capability(struct qed_hwfn * hwfn,struct qed_ptt * ptt,u32 capability,unsigned long * if_caps)1836 static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1837 struct qed_ptt *ptt, u32 capability,
1838 unsigned long *if_caps)
1839 {
1840 u32 media_type, tcvr_state, tcvr_type;
1841 u32 speed_mask, board_cfg;
1842
1843 if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1844 media_type = MEDIA_UNSPECIFIED;
1845
1846 if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1847 tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1848
1849 if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1850 speed_mask = 0xFFFFFFFF;
1851
1852 if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1853 board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1854
1855 DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1856 "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1857 media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1858
1859 switch (media_type) {
1860 case MEDIA_DA_TWINAX:
1861 phylink_set(if_caps, FIBRE);
1862
1863 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1864 phylink_set(if_caps, 20000baseKR2_Full);
1865
1866 /* For DAC media multiple speed capabilities are supported */
1867 capability |= speed_mask;
1868
1869 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1870 phylink_set(if_caps, 1000baseKX_Full);
1871 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1872 phylink_set(if_caps, 10000baseCR_Full);
1873
1874 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1875 switch (tcvr_type) {
1876 case ETH_TRANSCEIVER_TYPE_40G_CR4:
1877 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
1878 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1879 phylink_set(if_caps, 40000baseCR4_Full);
1880 break;
1881 default:
1882 break;
1883 }
1884
1885 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1886 phylink_set(if_caps, 25000baseCR_Full);
1887 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1888 phylink_set(if_caps, 50000baseCR2_Full);
1889
1890 if (capability &
1891 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1892 switch (tcvr_type) {
1893 case ETH_TRANSCEIVER_TYPE_100G_CR4:
1894 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1895 phylink_set(if_caps, 100000baseCR4_Full);
1896 break;
1897 default:
1898 break;
1899 }
1900
1901 break;
1902 case MEDIA_BASE_T:
1903 phylink_set(if_caps, TP);
1904
1905 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1906 if (capability &
1907 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1908 phylink_set(if_caps, 1000baseT_Full);
1909 if (capability &
1910 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1911 phylink_set(if_caps, 10000baseT_Full);
1912 }
1913
1914 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1915 phylink_set(if_caps, FIBRE);
1916
1917 switch (tcvr_type) {
1918 case ETH_TRANSCEIVER_TYPE_1000BASET:
1919 phylink_set(if_caps, 1000baseT_Full);
1920 break;
1921 case ETH_TRANSCEIVER_TYPE_10G_BASET:
1922 phylink_set(if_caps, 10000baseT_Full);
1923 break;
1924 default:
1925 break;
1926 }
1927 }
1928
1929 break;
1930 case MEDIA_SFP_1G_FIBER:
1931 case MEDIA_SFPP_10G_FIBER:
1932 case MEDIA_XFP_FIBER:
1933 case MEDIA_MODULE_FIBER:
1934 phylink_set(if_caps, FIBRE);
1935 capability |= speed_mask;
1936
1937 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1938 switch (tcvr_type) {
1939 case ETH_TRANSCEIVER_TYPE_1G_LX:
1940 case ETH_TRANSCEIVER_TYPE_1G_SX:
1941 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1942 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1943 phylink_set(if_caps, 1000baseKX_Full);
1944 break;
1945 default:
1946 break;
1947 }
1948
1949 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1950 switch (tcvr_type) {
1951 case ETH_TRANSCEIVER_TYPE_10G_SR:
1952 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1953 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1954 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1955 phylink_set(if_caps, 10000baseSR_Full);
1956 break;
1957 case ETH_TRANSCEIVER_TYPE_10G_LR:
1958 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1959 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
1960 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1961 phylink_set(if_caps, 10000baseLR_Full);
1962 break;
1963 case ETH_TRANSCEIVER_TYPE_10G_LRM:
1964 phylink_set(if_caps, 10000baseLRM_Full);
1965 break;
1966 case ETH_TRANSCEIVER_TYPE_10G_ER:
1967 phylink_set(if_caps, 10000baseR_FEC);
1968 break;
1969 default:
1970 break;
1971 }
1972
1973 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1974 phylink_set(if_caps, 20000baseKR2_Full);
1975
1976 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1977 switch (tcvr_type) {
1978 case ETH_TRANSCEIVER_TYPE_25G_SR:
1979 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1980 phylink_set(if_caps, 25000baseSR_Full);
1981 break;
1982 default:
1983 break;
1984 }
1985
1986 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1987 switch (tcvr_type) {
1988 case ETH_TRANSCEIVER_TYPE_40G_LR4:
1989 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1990 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
1991 phylink_set(if_caps, 40000baseLR4_Full);
1992 break;
1993 case ETH_TRANSCEIVER_TYPE_40G_SR4:
1994 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
1995 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1996 phylink_set(if_caps, 40000baseSR4_Full);
1997 break;
1998 default:
1999 break;
2000 }
2001
2002 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2003 phylink_set(if_caps, 50000baseKR2_Full);
2004
2005 if (capability &
2006 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2007 switch (tcvr_type) {
2008 case ETH_TRANSCEIVER_TYPE_100G_SR4:
2009 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2010 phylink_set(if_caps, 100000baseSR4_Full);
2011 break;
2012 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2013 phylink_set(if_caps, 100000baseLR4_ER4_Full);
2014 break;
2015 default:
2016 break;
2017 }
2018
2019 break;
2020 case MEDIA_KR:
2021 phylink_set(if_caps, Backplane);
2022
2023 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
2024 phylink_set(if_caps, 20000baseKR2_Full);
2025 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
2026 phylink_set(if_caps, 1000baseKX_Full);
2027 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
2028 phylink_set(if_caps, 10000baseKR_Full);
2029 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2030 phylink_set(if_caps, 25000baseKR_Full);
2031 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2032 phylink_set(if_caps, 40000baseKR4_Full);
2033 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2034 phylink_set(if_caps, 50000baseKR2_Full);
2035 if (capability &
2036 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2037 phylink_set(if_caps, 100000baseKR4_Full);
2038
2039 break;
2040 case MEDIA_UNSPECIFIED:
2041 case MEDIA_NOT_PRESENT:
2042 default:
2043 DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
2044 "Unknown media and transceiver type;\n");
2045 break;
2046 }
2047 }
2048
qed_lp_caps_to_speed_mask(u32 caps,u32 * speed_mask)2049 static void qed_lp_caps_to_speed_mask(u32 caps, u32 *speed_mask)
2050 {
2051 *speed_mask = 0;
2052
2053 if (caps &
2054 (QED_LINK_PARTNER_SPEED_1G_FD | QED_LINK_PARTNER_SPEED_1G_HD))
2055 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2056 if (caps & QED_LINK_PARTNER_SPEED_10G)
2057 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2058 if (caps & QED_LINK_PARTNER_SPEED_20G)
2059 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
2060 if (caps & QED_LINK_PARTNER_SPEED_25G)
2061 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2062 if (caps & QED_LINK_PARTNER_SPEED_40G)
2063 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2064 if (caps & QED_LINK_PARTNER_SPEED_50G)
2065 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
2066 if (caps & QED_LINK_PARTNER_SPEED_100G)
2067 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
2068 }
2069
qed_fill_link(struct qed_hwfn * hwfn,struct qed_ptt * ptt,struct qed_link_output * if_link)2070 static void qed_fill_link(struct qed_hwfn *hwfn,
2071 struct qed_ptt *ptt,
2072 struct qed_link_output *if_link)
2073 {
2074 struct qed_mcp_link_capabilities link_caps;
2075 struct qed_mcp_link_params params;
2076 struct qed_mcp_link_state link;
2077 u32 media_type, speed_mask;
2078
2079 memset(if_link, 0, sizeof(*if_link));
2080
2081 /* Prepare source inputs */
2082 if (qed_get_link_data(hwfn, ¶ms, &link, &link_caps)) {
2083 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
2084 return;
2085 }
2086
2087 /* Set the link parameters to pass to protocol driver */
2088 if (link.link_up)
2089 if_link->link_up = true;
2090
2091 if (IS_PF(hwfn->cdev) && qed_mcp_is_ext_speed_supported(hwfn)) {
2092 if (link_caps.default_ext_autoneg)
2093 phylink_set(if_link->supported_caps, Autoneg);
2094
2095 linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2096
2097 if (params.ext_speed.autoneg)
2098 phylink_set(if_link->advertised_caps, Autoneg);
2099 else
2100 phylink_clear(if_link->advertised_caps, Autoneg);
2101
2102 qed_fill_link_capability(hwfn, ptt,
2103 params.ext_speed.advertised_speeds,
2104 if_link->advertised_caps);
2105 } else {
2106 if (link_caps.default_speed_autoneg)
2107 phylink_set(if_link->supported_caps, Autoneg);
2108
2109 linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2110
2111 if (params.speed.autoneg)
2112 phylink_set(if_link->advertised_caps, Autoneg);
2113 else
2114 phylink_clear(if_link->advertised_caps, Autoneg);
2115 }
2116
2117 if (params.pause.autoneg ||
2118 (params.pause.forced_rx && params.pause.forced_tx))
2119 phylink_set(if_link->supported_caps, Asym_Pause);
2120 if (params.pause.autoneg || params.pause.forced_rx ||
2121 params.pause.forced_tx)
2122 phylink_set(if_link->supported_caps, Pause);
2123
2124 if_link->sup_fec = link_caps.fec_default;
2125 if_link->active_fec = params.fec;
2126
2127 /* Fill link advertised capability */
2128 qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
2129 if_link->advertised_caps);
2130
2131 /* Fill link supported capability */
2132 qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
2133 if_link->supported_caps);
2134
2135 /* Fill partner advertised capability */
2136 qed_lp_caps_to_speed_mask(link.partner_adv_speed, &speed_mask);
2137 qed_fill_link_capability(hwfn, ptt, speed_mask, if_link->lp_caps);
2138
2139 if (link.link_up)
2140 if_link->speed = link.speed;
2141
2142 /* TODO - fill duplex properly */
2143 if_link->duplex = DUPLEX_FULL;
2144 qed_mcp_get_media_type(hwfn, ptt, &media_type);
2145 if_link->port = qed_get_port_type(media_type);
2146
2147 if_link->autoneg = params.speed.autoneg;
2148
2149 if (params.pause.autoneg)
2150 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
2151 if (params.pause.forced_rx)
2152 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
2153 if (params.pause.forced_tx)
2154 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
2155
2156 if (link.an_complete)
2157 phylink_set(if_link->lp_caps, Autoneg);
2158 if (link.partner_adv_pause)
2159 phylink_set(if_link->lp_caps, Pause);
2160 if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
2161 link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
2162 phylink_set(if_link->lp_caps, Asym_Pause);
2163
2164 if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
2165 if_link->eee_supported = false;
2166 } else {
2167 if_link->eee_supported = true;
2168 if_link->eee_active = link.eee_active;
2169 if_link->sup_caps = link_caps.eee_speed_caps;
2170 /* MFW clears adv_caps on eee disable; use configured value */
2171 if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
2172 params.eee.adv_caps;
2173 if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
2174 if_link->eee.enable = params.eee.enable;
2175 if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
2176 if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
2177 }
2178 }
2179
qed_get_current_link(struct qed_dev * cdev,struct qed_link_output * if_link)2180 static void qed_get_current_link(struct qed_dev *cdev,
2181 struct qed_link_output *if_link)
2182 {
2183 struct qed_hwfn *hwfn;
2184 struct qed_ptt *ptt;
2185 int i;
2186
2187 hwfn = &cdev->hwfns[0];
2188 if (IS_PF(cdev)) {
2189 ptt = qed_ptt_acquire(hwfn);
2190 if (ptt) {
2191 qed_fill_link(hwfn, ptt, if_link);
2192 qed_ptt_release(hwfn, ptt);
2193 } else {
2194 DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
2195 }
2196 } else {
2197 qed_fill_link(hwfn, NULL, if_link);
2198 }
2199
2200 for_each_hwfn(cdev, i)
2201 qed_inform_vf_link_state(&cdev->hwfns[i]);
2202 }
2203
qed_link_update(struct qed_hwfn * hwfn,struct qed_ptt * ptt)2204 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2205 {
2206 void *cookie = hwfn->cdev->ops_cookie;
2207 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2208 struct qed_link_output if_link;
2209
2210 qed_fill_link(hwfn, ptt, &if_link);
2211 qed_inform_vf_link_state(hwfn);
2212
2213 if (IS_LEAD_HWFN(hwfn) && cookie)
2214 op->link_update(cookie, &if_link);
2215 }
2216
qed_bw_update(struct qed_hwfn * hwfn,struct qed_ptt * ptt)2217 void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2218 {
2219 void *cookie = hwfn->cdev->ops_cookie;
2220 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2221
2222 if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update)
2223 op->bw_update(cookie);
2224 }
2225
qed_drain(struct qed_dev * cdev)2226 static int qed_drain(struct qed_dev *cdev)
2227 {
2228 struct qed_hwfn *hwfn;
2229 struct qed_ptt *ptt;
2230 int i, rc;
2231
2232 if (IS_VF(cdev))
2233 return 0;
2234
2235 for_each_hwfn(cdev, i) {
2236 hwfn = &cdev->hwfns[i];
2237 ptt = qed_ptt_acquire(hwfn);
2238 if (!ptt) {
2239 DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
2240 return -EBUSY;
2241 }
2242 rc = qed_mcp_drain(hwfn, ptt);
2243 qed_ptt_release(hwfn, ptt);
2244 if (rc)
2245 return rc;
2246 }
2247
2248 return 0;
2249 }
2250
qed_nvm_flash_image_access_crc(struct qed_dev * cdev,struct qed_nvm_image_att * nvm_image,u32 * crc)2251 static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
2252 struct qed_nvm_image_att *nvm_image,
2253 u32 *crc)
2254 {
2255 u8 *buf = NULL;
2256 int rc;
2257
2258 /* Allocate a buffer for holding the nvram image */
2259 buf = kzalloc(nvm_image->length, GFP_KERNEL);
2260 if (!buf)
2261 return -ENOMEM;
2262
2263 /* Read image into buffer */
2264 rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
2265 buf, nvm_image->length);
2266 if (rc) {
2267 DP_ERR(cdev, "Failed reading image from nvm\n");
2268 goto out;
2269 }
2270
2271 /* Convert the buffer into big-endian format (excluding the
2272 * closing 4 bytes of CRC).
2273 */
2274 cpu_to_be32_array((__force __be32 *)buf, (const u32 *)buf,
2275 DIV_ROUND_UP(nvm_image->length - 4, 4));
2276
2277 /* Calc CRC for the "actual" image buffer, i.e. not including
2278 * the last 4 CRC bytes.
2279 */
2280 *crc = ~crc32(~0U, buf, nvm_image->length - 4);
2281 *crc = (__force u32)cpu_to_be32p(crc);
2282
2283 out:
2284 kfree(buf);
2285
2286 return rc;
2287 }
2288
2289 /* Binary file format -
2290 * /----------------------------------------------------------------------\
2291 * 0B | 0x4 [command index] |
2292 * 4B | image_type | Options | Number of register settings |
2293 * 8B | Value |
2294 * 12B | Mask |
2295 * 16B | Offset |
2296 * \----------------------------------------------------------------------/
2297 * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2298 * Options - 0'b - Calculate & Update CRC for image
2299 */
qed_nvm_flash_image_access(struct qed_dev * cdev,const u8 ** data,bool * check_resp)2300 static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2301 bool *check_resp)
2302 {
2303 struct qed_nvm_image_att nvm_image;
2304 struct qed_hwfn *p_hwfn;
2305 bool is_crc = false;
2306 u32 image_type;
2307 int rc = 0, i;
2308 u16 len;
2309
2310 *data += 4;
2311 image_type = **data;
2312 p_hwfn = QED_LEADING_HWFN(cdev);
2313 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2314 if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2315 break;
2316 if (i == p_hwfn->nvm_info.num_images) {
2317 DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2318 image_type);
2319 return -ENOENT;
2320 }
2321
2322 nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2323 nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2324
2325 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2326 "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2327 **data, image_type, nvm_image.start_addr,
2328 nvm_image.start_addr + nvm_image.length - 1);
2329 (*data)++;
2330 is_crc = !!(**data & BIT(0));
2331 (*data)++;
2332 len = *((u16 *)*data);
2333 *data += 2;
2334 if (is_crc) {
2335 u32 crc = 0;
2336
2337 rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2338 if (rc) {
2339 DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2340 goto exit;
2341 }
2342
2343 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2344 (nvm_image.start_addr +
2345 nvm_image.length - 4), (u8 *)&crc, 4);
2346 if (rc)
2347 DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2348 nvm_image.start_addr + nvm_image.length - 4, rc);
2349 goto exit;
2350 }
2351
2352 /* Iterate over the values for setting */
2353 while (len) {
2354 u32 offset, mask, value, cur_value;
2355 u8 buf[4];
2356
2357 value = *((u32 *)*data);
2358 *data += 4;
2359 mask = *((u32 *)*data);
2360 *data += 4;
2361 offset = *((u32 *)*data);
2362 *data += 4;
2363
2364 rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2365 4);
2366 if (rc) {
2367 DP_ERR(cdev, "Failed reading from %08x\n",
2368 nvm_image.start_addr + offset);
2369 goto exit;
2370 }
2371
2372 cur_value = le32_to_cpu(*((__le32 *)buf));
2373 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2374 "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2375 nvm_image.start_addr + offset, cur_value,
2376 (cur_value & ~mask) | (value & mask), value, mask);
2377 value = (value & mask) | (cur_value & ~mask);
2378 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2379 nvm_image.start_addr + offset,
2380 (u8 *)&value, 4);
2381 if (rc) {
2382 DP_ERR(cdev, "Failed writing to %08x\n",
2383 nvm_image.start_addr + offset);
2384 goto exit;
2385 }
2386
2387 len--;
2388 }
2389 exit:
2390 return rc;
2391 }
2392
2393 /* Binary file format -
2394 * /----------------------------------------------------------------------\
2395 * 0B | 0x3 [command index] |
2396 * 4B | b'0: check_response? | b'1-31 reserved |
2397 * 8B | File-type | reserved |
2398 * 12B | Image length in bytes |
2399 * \----------------------------------------------------------------------/
2400 * Start a new file of the provided type
2401 */
qed_nvm_flash_image_file_start(struct qed_dev * cdev,const u8 ** data,bool * check_resp)2402 static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2403 const u8 **data, bool *check_resp)
2404 {
2405 u32 file_type, file_size = 0;
2406 int rc;
2407
2408 *data += 4;
2409 *check_resp = !!(**data & BIT(0));
2410 *data += 4;
2411 file_type = **data;
2412
2413 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2414 "About to start a new file of type %02x\n", file_type);
2415 if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2416 *data += 4;
2417 file_size = *((u32 *)(*data));
2418 }
2419
2420 rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2421 (u8 *)(&file_size), 4);
2422 *data += 4;
2423
2424 return rc;
2425 }
2426
2427 /* Binary file format -
2428 * /----------------------------------------------------------------------\
2429 * 0B | 0x2 [command index] |
2430 * 4B | Length in bytes |
2431 * 8B | b'0: check_response? | b'1-31 reserved |
2432 * 12B | Offset in bytes |
2433 * 16B | Data ... |
2434 * \----------------------------------------------------------------------/
2435 * Write data as part of a file that was previously started. Data should be
2436 * of length equal to that provided in the message
2437 */
qed_nvm_flash_image_file_data(struct qed_dev * cdev,const u8 ** data,bool * check_resp)2438 static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2439 const u8 **data, bool *check_resp)
2440 {
2441 u32 offset, len;
2442 int rc;
2443
2444 *data += 4;
2445 len = *((u32 *)(*data));
2446 *data += 4;
2447 *check_resp = !!(**data & BIT(0));
2448 *data += 4;
2449 offset = *((u32 *)(*data));
2450 *data += 4;
2451
2452 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2453 "About to write File-data: %08x bytes to offset %08x\n",
2454 len, offset);
2455
2456 rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2457 (char *)(*data), len);
2458 *data += len;
2459
2460 return rc;
2461 }
2462
2463 /* Binary file format [General header] -
2464 * /----------------------------------------------------------------------\
2465 * 0B | QED_NVM_SIGNATURE |
2466 * 4B | Length in bytes |
2467 * 8B | Highest command in this batchfile | Reserved |
2468 * \----------------------------------------------------------------------/
2469 */
qed_nvm_flash_image_validate(struct qed_dev * cdev,const struct firmware * image,const u8 ** data)2470 static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2471 const struct firmware *image,
2472 const u8 **data)
2473 {
2474 u32 signature, len;
2475
2476 /* Check minimum size */
2477 if (image->size < 12) {
2478 DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2479 return -EINVAL;
2480 }
2481
2482 /* Check signature */
2483 signature = *((u32 *)(*data));
2484 if (signature != QED_NVM_SIGNATURE) {
2485 DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2486 return -EINVAL;
2487 }
2488
2489 *data += 4;
2490 /* Validate internal size equals the image-size */
2491 len = *((u32 *)(*data));
2492 if (len != image->size) {
2493 DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2494 len, (u32)image->size);
2495 return -EINVAL;
2496 }
2497
2498 *data += 4;
2499 /* Make sure driver familiar with all commands necessary for this */
2500 if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2501 DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2502 *((u16 *)(*data)));
2503 return -EINVAL;
2504 }
2505
2506 *data += 4;
2507
2508 return 0;
2509 }
2510
2511 /* Binary file format -
2512 * /----------------------------------------------------------------------\
2513 * 0B | 0x5 [command index] |
2514 * 4B | Number of config attributes | Reserved |
2515 * 4B | Config ID | Entity ID | Length |
2516 * 4B | Value |
2517 * | |
2518 * \----------------------------------------------------------------------/
2519 * There can be several cfg_id-entity_id-Length-Value sets as specified by
2520 * 'Number of config attributes'.
2521 *
2522 * The API parses config attributes from the user provided buffer and flashes
2523 * them to the respective NVM path using Management FW inerface.
2524 */
qed_nvm_flash_cfg_write(struct qed_dev * cdev,const u8 ** data)2525 static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
2526 {
2527 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2528 u8 entity_id, len, buf[32];
2529 bool need_nvm_init = true;
2530 struct qed_ptt *ptt;
2531 u16 cfg_id, count;
2532 int rc = 0, i;
2533 u32 flags;
2534
2535 ptt = qed_ptt_acquire(hwfn);
2536 if (!ptt)
2537 return -EAGAIN;
2538
2539 /* NVM CFG ID attribute header */
2540 *data += 4;
2541 count = *((u16 *)*data);
2542 *data += 4;
2543
2544 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2545 "Read config ids: num_attrs = %0d\n", count);
2546 /* NVM CFG ID attributes. Start loop index from 1 to avoid additional
2547 * arithmetic operations in the implementation.
2548 */
2549 for (i = 1; i <= count; i++) {
2550 cfg_id = *((u16 *)*data);
2551 *data += 2;
2552 entity_id = **data;
2553 (*data)++;
2554 len = **data;
2555 (*data)++;
2556 memcpy(buf, *data, len);
2557 *data += len;
2558
2559 flags = 0;
2560 if (need_nvm_init) {
2561 flags |= QED_NVM_CFG_OPTION_INIT;
2562 need_nvm_init = false;
2563 }
2564
2565 /* Commit to flash and free the resources */
2566 if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
2567 flags |= QED_NVM_CFG_OPTION_COMMIT |
2568 QED_NVM_CFG_OPTION_FREE;
2569 need_nvm_init = true;
2570 }
2571
2572 if (entity_id)
2573 flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;
2574
2575 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2576 "cfg_id = %d entity = %d len = %d\n", cfg_id,
2577 entity_id, len);
2578 rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
2579 buf, len);
2580 if (rc) {
2581 DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
2582 break;
2583 }
2584 }
2585
2586 qed_ptt_release(hwfn, ptt);
2587
2588 return rc;
2589 }
2590
2591 #define QED_MAX_NVM_BUF_LEN 32
qed_nvm_flash_cfg_len(struct qed_dev * cdev,u32 cmd)2592 static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
2593 {
2594 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2595 u8 buf[QED_MAX_NVM_BUF_LEN];
2596 struct qed_ptt *ptt;
2597 u32 len;
2598 int rc;
2599
2600 ptt = qed_ptt_acquire(hwfn);
2601 if (!ptt)
2602 return QED_MAX_NVM_BUF_LEN;
2603
2604 rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
2605 &len);
2606 if (rc || !len) {
2607 DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2608 len = QED_MAX_NVM_BUF_LEN;
2609 }
2610
2611 qed_ptt_release(hwfn, ptt);
2612
2613 return len;
2614 }
2615
qed_nvm_flash_cfg_read(struct qed_dev * cdev,u8 ** data,u32 cmd,u32 entity_id)2616 static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
2617 u32 cmd, u32 entity_id)
2618 {
2619 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2620 struct qed_ptt *ptt;
2621 u32 flags, len;
2622 int rc = 0;
2623
2624 ptt = qed_ptt_acquire(hwfn);
2625 if (!ptt)
2626 return -EAGAIN;
2627
2628 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2629 "Read config cmd = %d entity id %d\n", cmd, entity_id);
2630 flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
2631 rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
2632 if (rc)
2633 DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2634
2635 qed_ptt_release(hwfn, ptt);
2636
2637 return rc;
2638 }
2639
qed_nvm_flash(struct qed_dev * cdev,const char * name)2640 static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2641 {
2642 const struct firmware *image;
2643 const u8 *data, *data_end;
2644 u32 cmd_type;
2645 int rc;
2646
2647 rc = request_firmware(&image, name, &cdev->pdev->dev);
2648 if (rc) {
2649 DP_ERR(cdev, "Failed to find '%s'\n", name);
2650 return rc;
2651 }
2652
2653 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2654 "Flashing '%s' - firmware's data at %p, size is %08x\n",
2655 name, image->data, (u32)image->size);
2656 data = image->data;
2657 data_end = data + image->size;
2658
2659 rc = qed_nvm_flash_image_validate(cdev, image, &data);
2660 if (rc)
2661 goto exit;
2662
2663 while (data < data_end) {
2664 bool check_resp = false;
2665
2666 /* Parse the actual command */
2667 cmd_type = *((u32 *)data);
2668 switch (cmd_type) {
2669 case QED_NVM_FLASH_CMD_FILE_DATA:
2670 rc = qed_nvm_flash_image_file_data(cdev, &data,
2671 &check_resp);
2672 break;
2673 case QED_NVM_FLASH_CMD_FILE_START:
2674 rc = qed_nvm_flash_image_file_start(cdev, &data,
2675 &check_resp);
2676 break;
2677 case QED_NVM_FLASH_CMD_NVM_CHANGE:
2678 rc = qed_nvm_flash_image_access(cdev, &data,
2679 &check_resp);
2680 break;
2681 case QED_NVM_FLASH_CMD_NVM_CFG_ID:
2682 rc = qed_nvm_flash_cfg_write(cdev, &data);
2683 break;
2684 default:
2685 DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2686 rc = -EINVAL;
2687 goto exit;
2688 }
2689
2690 if (rc) {
2691 DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2692 goto exit;
2693 }
2694
2695 /* Check response if needed */
2696 if (check_resp) {
2697 u32 mcp_response = 0;
2698
2699 if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2700 DP_ERR(cdev, "Failed getting MCP response\n");
2701 rc = -EINVAL;
2702 goto exit;
2703 }
2704
2705 switch (mcp_response & FW_MSG_CODE_MASK) {
2706 case FW_MSG_CODE_OK:
2707 case FW_MSG_CODE_NVM_OK:
2708 case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2709 case FW_MSG_CODE_PHY_OK:
2710 break;
2711 default:
2712 DP_ERR(cdev, "MFW returns error: %08x\n",
2713 mcp_response);
2714 rc = -EINVAL;
2715 goto exit;
2716 }
2717 }
2718 }
2719
2720 exit:
2721 release_firmware(image);
2722
2723 return rc;
2724 }
2725
qed_nvm_get_image(struct qed_dev * cdev,enum qed_nvm_images type,u8 * buf,u16 len)2726 static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2727 u8 *buf, u16 len)
2728 {
2729 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2730
2731 return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2732 }
2733
qed_schedule_recovery_handler(struct qed_hwfn * p_hwfn)2734 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2735 {
2736 struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2737 void *cookie = p_hwfn->cdev->ops_cookie;
2738
2739 if (ops && ops->schedule_recovery_handler)
2740 ops->schedule_recovery_handler(cookie);
2741 }
2742
2743 static const char * const qed_hw_err_type_descr[] = {
2744 [QED_HW_ERR_FAN_FAIL] = "Fan Failure",
2745 [QED_HW_ERR_MFW_RESP_FAIL] = "MFW Response Failure",
2746 [QED_HW_ERR_HW_ATTN] = "HW Attention",
2747 [QED_HW_ERR_DMAE_FAIL] = "DMAE Failure",
2748 [QED_HW_ERR_RAMROD_FAIL] = "Ramrod Failure",
2749 [QED_HW_ERR_FW_ASSERT] = "FW Assertion",
2750 [QED_HW_ERR_LAST] = "Unknown",
2751 };
2752
qed_hw_error_occurred(struct qed_hwfn * p_hwfn,enum qed_hw_err_type err_type)2753 void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
2754 enum qed_hw_err_type err_type)
2755 {
2756 struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2757 void *cookie = p_hwfn->cdev->ops_cookie;
2758 const char *err_str;
2759
2760 if (err_type > QED_HW_ERR_LAST)
2761 err_type = QED_HW_ERR_LAST;
2762 err_str = qed_hw_err_type_descr[err_type];
2763
2764 DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);
2765
2766 /* Call the HW error handler of the protocol driver.
2767 * If it is not available - perform a minimal handling of preventing
2768 * HW attentions from being reasserted.
2769 */
2770 if (ops && ops->schedule_hw_err_handler)
2771 ops->schedule_hw_err_handler(cookie, err_type);
2772 else
2773 qed_int_attn_clr_enable(p_hwfn->cdev, true);
2774 }
2775
qed_set_coalesce(struct qed_dev * cdev,u16 rx_coal,u16 tx_coal,void * handle)2776 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2777 void *handle)
2778 {
2779 return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2780 }
2781
qed_set_led(struct qed_dev * cdev,enum qed_led_mode mode)2782 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2783 {
2784 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2785 struct qed_ptt *ptt;
2786 int status = 0;
2787
2788 ptt = qed_ptt_acquire(hwfn);
2789 if (!ptt)
2790 return -EAGAIN;
2791
2792 status = qed_mcp_set_led(hwfn, ptt, mode);
2793
2794 qed_ptt_release(hwfn, ptt);
2795
2796 return status;
2797 }
2798
qed_recovery_process(struct qed_dev * cdev)2799 int qed_recovery_process(struct qed_dev *cdev)
2800 {
2801 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2802 struct qed_ptt *p_ptt;
2803 int rc = 0;
2804
2805 p_ptt = qed_ptt_acquire(p_hwfn);
2806 if (!p_ptt)
2807 return -EAGAIN;
2808
2809 rc = qed_start_recovery_process(p_hwfn, p_ptt);
2810
2811 qed_ptt_release(p_hwfn, p_ptt);
2812
2813 return rc;
2814 }
2815
qed_update_wol(struct qed_dev * cdev,bool enabled)2816 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2817 {
2818 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2819 struct qed_ptt *ptt;
2820 int rc = 0;
2821
2822 if (IS_VF(cdev))
2823 return 0;
2824
2825 ptt = qed_ptt_acquire(hwfn);
2826 if (!ptt)
2827 return -EAGAIN;
2828
2829 rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2830 : QED_OV_WOL_DISABLED);
2831 if (rc)
2832 goto out;
2833 rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2834
2835 out:
2836 qed_ptt_release(hwfn, ptt);
2837 return rc;
2838 }
2839
qed_update_drv_state(struct qed_dev * cdev,bool active)2840 static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2841 {
2842 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2843 struct qed_ptt *ptt;
2844 int status = 0;
2845
2846 if (IS_VF(cdev))
2847 return 0;
2848
2849 ptt = qed_ptt_acquire(hwfn);
2850 if (!ptt)
2851 return -EAGAIN;
2852
2853 status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2854 QED_OV_DRIVER_STATE_ACTIVE :
2855 QED_OV_DRIVER_STATE_DISABLED);
2856
2857 qed_ptt_release(hwfn, ptt);
2858
2859 return status;
2860 }
2861
qed_update_mac(struct qed_dev * cdev,const u8 * mac)2862 static int qed_update_mac(struct qed_dev *cdev, const u8 *mac)
2863 {
2864 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2865 struct qed_ptt *ptt;
2866 int status = 0;
2867
2868 if (IS_VF(cdev))
2869 return 0;
2870
2871 ptt = qed_ptt_acquire(hwfn);
2872 if (!ptt)
2873 return -EAGAIN;
2874
2875 status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2876 if (status)
2877 goto out;
2878
2879 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2880
2881 out:
2882 qed_ptt_release(hwfn, ptt);
2883 return status;
2884 }
2885
qed_update_mtu(struct qed_dev * cdev,u16 mtu)2886 static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2887 {
2888 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2889 struct qed_ptt *ptt;
2890 int status = 0;
2891
2892 if (IS_VF(cdev))
2893 return 0;
2894
2895 ptt = qed_ptt_acquire(hwfn);
2896 if (!ptt)
2897 return -EAGAIN;
2898
2899 status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2900 if (status)
2901 goto out;
2902
2903 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2904
2905 out:
2906 qed_ptt_release(hwfn, ptt);
2907 return status;
2908 }
2909
2910 static int
qed_get_sb_info(struct qed_dev * cdev,struct qed_sb_info * sb,u16 qid,struct qed_sb_info_dbg * sb_dbg)2911 qed_get_sb_info(struct qed_dev *cdev, struct qed_sb_info *sb,
2912 u16 qid, struct qed_sb_info_dbg *sb_dbg)
2913 {
2914 struct qed_hwfn *hwfn = &cdev->hwfns[qid % cdev->num_hwfns];
2915 struct qed_ptt *ptt;
2916 int rc;
2917
2918 if (IS_VF(cdev))
2919 return -EINVAL;
2920
2921 ptt = qed_ptt_acquire(hwfn);
2922 if (!ptt) {
2923 DP_NOTICE(hwfn, "Can't acquire PTT\n");
2924 return -EAGAIN;
2925 }
2926
2927 memset(sb_dbg, 0, sizeof(*sb_dbg));
2928 rc = qed_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
2929
2930 qed_ptt_release(hwfn, ptt);
2931 return rc;
2932 }
2933
qed_read_module_eeprom(struct qed_dev * cdev,char * buf,u8 dev_addr,u32 offset,u32 len)2934 static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2935 u8 dev_addr, u32 offset, u32 len)
2936 {
2937 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2938 struct qed_ptt *ptt;
2939 int rc = 0;
2940
2941 if (IS_VF(cdev))
2942 return 0;
2943
2944 ptt = qed_ptt_acquire(hwfn);
2945 if (!ptt)
2946 return -EAGAIN;
2947
2948 rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2949 offset, len, buf);
2950
2951 qed_ptt_release(hwfn, ptt);
2952
2953 return rc;
2954 }
2955
qed_set_grc_config(struct qed_dev * cdev,u32 cfg_id,u32 val)2956 static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
2957 {
2958 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2959 struct qed_ptt *ptt;
2960 int rc = 0;
2961
2962 if (IS_VF(cdev))
2963 return 0;
2964
2965 ptt = qed_ptt_acquire(hwfn);
2966 if (!ptt)
2967 return -EAGAIN;
2968
2969 rc = qed_dbg_grc_config(hwfn, cfg_id, val);
2970
2971 qed_ptt_release(hwfn, ptt);
2972
2973 return rc;
2974 }
2975
qed_mfw_report(struct qed_dev * cdev,char * fmt,...)2976 static __printf(2, 3) void qed_mfw_report(struct qed_dev *cdev, char *fmt, ...)
2977 {
2978 char buf[QED_MFW_REPORT_STR_SIZE];
2979 struct qed_hwfn *p_hwfn;
2980 struct qed_ptt *p_ptt;
2981 va_list vl;
2982
2983 va_start(vl, fmt);
2984 vsnprintf(buf, QED_MFW_REPORT_STR_SIZE, fmt, vl);
2985 va_end(vl);
2986
2987 if (IS_PF(cdev)) {
2988 p_hwfn = QED_LEADING_HWFN(cdev);
2989 p_ptt = qed_ptt_acquire(p_hwfn);
2990 if (p_ptt) {
2991 qed_mcp_send_raw_debug_data(p_hwfn, p_ptt, buf, strlen(buf));
2992 qed_ptt_release(p_hwfn, p_ptt);
2993 }
2994 }
2995 }
2996
qed_get_affin_hwfn_idx(struct qed_dev * cdev)2997 static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2998 {
2999 return QED_AFFIN_HWFN_IDX(cdev);
3000 }
3001
qed_get_esl_status(struct qed_dev * cdev,bool * esl_active)3002 static int qed_get_esl_status(struct qed_dev *cdev, bool *esl_active)
3003 {
3004 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3005 struct qed_ptt *ptt;
3006 int rc = 0;
3007
3008 *esl_active = false;
3009
3010 if (IS_VF(cdev))
3011 return 0;
3012
3013 ptt = qed_ptt_acquire(hwfn);
3014 if (!ptt)
3015 return -EAGAIN;
3016
3017 rc = qed_mcp_get_esl_status(hwfn, ptt, esl_active);
3018
3019 qed_ptt_release(hwfn, ptt);
3020
3021 return rc;
3022 }
3023
3024 static struct qed_selftest_ops qed_selftest_ops_pass = {
3025 .selftest_memory = &qed_selftest_memory,
3026 .selftest_interrupt = &qed_selftest_interrupt,
3027 .selftest_register = &qed_selftest_register,
3028 .selftest_clock = &qed_selftest_clock,
3029 .selftest_nvram = &qed_selftest_nvram,
3030 };
3031
3032 const struct qed_common_ops qed_common_ops_pass = {
3033 .selftest = &qed_selftest_ops_pass,
3034 .probe = &qed_probe,
3035 .remove = &qed_remove,
3036 .set_power_state = &qed_set_power_state,
3037 .set_name = &qed_set_name,
3038 .update_pf_params = &qed_update_pf_params,
3039 .slowpath_start = &qed_slowpath_start,
3040 .slowpath_stop = &qed_slowpath_stop,
3041 .set_fp_int = &qed_set_int_fp,
3042 .get_fp_int = &qed_get_int_fp,
3043 .sb_init = &qed_sb_init,
3044 .sb_release = &qed_sb_release,
3045 .simd_handler_config = &qed_simd_handler_config,
3046 .simd_handler_clean = &qed_simd_handler_clean,
3047 .dbg_grc = &qed_dbg_grc,
3048 .dbg_grc_size = &qed_dbg_grc_size,
3049 .can_link_change = &qed_can_link_change,
3050 .set_link = &qed_set_link,
3051 .get_link = &qed_get_current_link,
3052 .drain = &qed_drain,
3053 .update_msglvl = &qed_init_dp,
3054 .devlink_register = qed_devlink_register,
3055 .devlink_unregister = qed_devlink_unregister,
3056 .report_fatal_error = qed_report_fatal_error,
3057 .dbg_all_data = &qed_dbg_all_data,
3058 .dbg_all_data_size = &qed_dbg_all_data_size,
3059 .chain_alloc = &qed_chain_alloc,
3060 .chain_free = &qed_chain_free,
3061 .nvm_flash = &qed_nvm_flash,
3062 .nvm_get_image = &qed_nvm_get_image,
3063 .set_coalesce = &qed_set_coalesce,
3064 .set_led = &qed_set_led,
3065 .recovery_process = &qed_recovery_process,
3066 .recovery_prolog = &qed_recovery_prolog,
3067 .attn_clr_enable = &qed_int_attn_clr_enable,
3068 .update_drv_state = &qed_update_drv_state,
3069 .update_mac = &qed_update_mac,
3070 .update_mtu = &qed_update_mtu,
3071 .update_wol = &qed_update_wol,
3072 .db_recovery_add = &qed_db_recovery_add,
3073 .db_recovery_del = &qed_db_recovery_del,
3074 .read_module_eeprom = &qed_read_module_eeprom,
3075 .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
3076 .read_nvm_cfg = &qed_nvm_flash_cfg_read,
3077 .read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
3078 .set_grc_config = &qed_set_grc_config,
3079 .mfw_report = &qed_mfw_report,
3080 .get_sb_info = &qed_get_sb_info,
3081 .get_esl_status = &qed_get_esl_status,
3082 };
3083
qed_get_protocol_stats(struct qed_dev * cdev,enum qed_mcp_protocol_type type,union qed_mcp_protocol_stats * stats)3084 void qed_get_protocol_stats(struct qed_dev *cdev,
3085 enum qed_mcp_protocol_type type,
3086 union qed_mcp_protocol_stats *stats)
3087 {
3088 struct qed_eth_stats eth_stats;
3089
3090 memset(stats, 0, sizeof(*stats));
3091
3092 switch (type) {
3093 case QED_MCP_LAN_STATS:
3094 qed_get_vport_stats_context(cdev, ð_stats, true);
3095 stats->lan_stats.ucast_rx_pkts =
3096 eth_stats.common.rx_ucast_pkts;
3097 stats->lan_stats.ucast_tx_pkts =
3098 eth_stats.common.tx_ucast_pkts;
3099 stats->lan_stats.fcs_err = -1;
3100 break;
3101 case QED_MCP_FCOE_STATS:
3102 qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats, true);
3103 break;
3104 case QED_MCP_ISCSI_STATS:
3105 qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats, true);
3106 break;
3107 default:
3108 DP_VERBOSE(cdev, QED_MSG_SP,
3109 "Invalid protocol type = %d\n", type);
3110 return;
3111 }
3112 }
3113
qed_mfw_tlv_req(struct qed_hwfn * hwfn)3114 int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
3115 {
3116 DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
3117 "Scheduling slowpath task [Flag: %d]\n",
3118 QED_SLOWPATH_MFW_TLV_REQ);
3119 /* Memory barrier for setting atomic bit */
3120 smp_mb__before_atomic();
3121 set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
3122 /* Memory barrier after setting atomic bit */
3123 smp_mb__after_atomic();
3124 queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
3125
3126 return 0;
3127 }
3128
3129 static void
qed_fill_generic_tlv_data(struct qed_dev * cdev,struct qed_mfw_tlv_generic * tlv)3130 qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
3131 {
3132 struct qed_common_cb_ops *op = cdev->protocol_ops.common;
3133 struct qed_eth_stats_common *p_common;
3134 struct qed_generic_tlvs gen_tlvs;
3135 struct qed_eth_stats stats;
3136 int i;
3137
3138 memset(&gen_tlvs, 0, sizeof(gen_tlvs));
3139 op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
3140
3141 if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
3142 tlv->flags.ipv4_csum_offload = true;
3143 if (gen_tlvs.feat_flags & QED_TLV_LSO)
3144 tlv->flags.lso_supported = true;
3145 tlv->flags.b_set = true;
3146
3147 for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
3148 if (is_valid_ether_addr(gen_tlvs.mac[i])) {
3149 ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
3150 tlv->mac_set[i] = true;
3151 }
3152 }
3153
3154 qed_get_vport_stats(cdev, &stats);
3155 p_common = &stats.common;
3156 tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
3157 p_common->rx_bcast_pkts;
3158 tlv->rx_frames_set = true;
3159 tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
3160 p_common->rx_bcast_bytes;
3161 tlv->rx_bytes_set = true;
3162 tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
3163 p_common->tx_bcast_pkts;
3164 tlv->tx_frames_set = true;
3165 tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
3166 p_common->tx_bcast_bytes;
3167 tlv->rx_bytes_set = true;
3168 }
3169
qed_mfw_fill_tlv_data(struct qed_hwfn * hwfn,enum qed_mfw_tlv_type type,union qed_mfw_tlv_data * tlv_buf)3170 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
3171 union qed_mfw_tlv_data *tlv_buf)
3172 {
3173 struct qed_dev *cdev = hwfn->cdev;
3174 struct qed_common_cb_ops *ops;
3175
3176 ops = cdev->protocol_ops.common;
3177 if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
3178 DP_NOTICE(hwfn, "Can't collect TLV management info\n");
3179 return -EINVAL;
3180 }
3181
3182 switch (type) {
3183 case QED_MFW_TLV_GENERIC:
3184 qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
3185 break;
3186 case QED_MFW_TLV_ETH:
3187 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
3188 break;
3189 case QED_MFW_TLV_FCOE:
3190 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
3191 break;
3192 case QED_MFW_TLV_ISCSI:
3193 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
3194 break;
3195 default:
3196 break;
3197 }
3198
3199 return 0;
3200 }
3201
qed_get_epoch_time(void)3202 unsigned long qed_get_epoch_time(void)
3203 {
3204 return ktime_get_real_seconds();
3205 }
3206