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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
50static char version[] =
51 "QLogic FastLinQ 4xxxx Core Module qed\n";
52
53MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
54MODULE_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
65MODULE_FIRMWARE(QED_FW_FILE_NAME);
66
67/* MFW speed capabilities maps */
68
69struct 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
84static 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
90static 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
101static 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
107static 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
114static 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
122static 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
128static 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
136static 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
143static 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
158static 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
164static 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
175static const u32 qed_mfw_legacy_20g[] __initconst = {
176 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
177};
178
179static 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
185static 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
192static 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
198static 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
205static 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
222static 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
230static 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
241static int __init qed_init(void)
242{
243 pr_info("%s", version);
244
245 qed_mfw_speed_maps_init();
246
247 return 0;
248}
249module_init(qed_init);
250
251static void __exit qed_exit(void)
252{
253 /* To prevent marking this module as "permanent" */
254}
255module_exit(qed_exit);
256
257static 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 */
276static 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
368err2:
369 pci_release_regions(pdev);
370err1:
371 pci_disable_device(pdev);
372err0:
373 return rc;
374}
375
376int 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
456static void qed_free_cdev(struct qed_dev *cdev)
457{
458 kfree((void *)cdev);
459}
460
461static 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 */
475static 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 */
485static 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
522err2:
523 qed_free_pci(cdev);
524err1:
525 qed_free_cdev(cdev);
526err0:
527 return NULL;
528}
529
530static 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
544static 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
556static 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 */
606static 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
657out:
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
668static 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
678static 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
687static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
688{
689 tasklet_schedule((struct tasklet_struct *)tasklet);
690 return IRQ_HANDLED;
691}
692
693static 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
743int 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
782static 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
794void 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
809static 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
827static 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
850static 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
874static 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
892static 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
915static 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
987static 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
1016u32 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
1046static 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
1067static 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
1082static 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
1121static 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
1138void 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
1152static 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
1171static 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
1202out:
1203 qed_ptt_release(hwfn, ptt);
1204}
1205
1206static int qed_slowpath_wq_start(struct qed_dev *cdev)
1207{
1208 struct qed_hwfn *hwfn;
1209 char name[NAME_SIZE];
1210 int i;
1211
1212 if (IS_VF(cdev))
1213 return 0;
1214
1215 for_each_hwfn(cdev, i) {
1216 hwfn = &cdev->hwfns[i];
1217
1218 snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1219 cdev->pdev->bus->number,
1220 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1221
1222 hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1223 if (!hwfn->slowpath_wq) {
1224 DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1225 return -ENOMEM;
1226 }
1227
1228 INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1229 hwfn->slowpath_wq_active = true;
1230 }
1231
1232 return 0;
1233}
1234
1235static int qed_slowpath_start(struct qed_dev *cdev,
1236 struct qed_slowpath_params *params)
1237{
1238 struct qed_drv_load_params drv_load_params;
1239 struct qed_hw_init_params hw_init_params;
1240 struct qed_mcp_drv_version drv_version;
1241 struct qed_tunnel_info tunn_info;
1242 const u8 *data = NULL;
1243 struct qed_hwfn *hwfn;
1244 struct qed_ptt *p_ptt;
1245 int rc = -EINVAL;
1246
1247 if (qed_iov_wq_start(cdev))
1248 goto err;
1249
1250 if (qed_slowpath_wq_start(cdev))
1251 goto err;
1252
1253 if (IS_PF(cdev)) {
1254 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1255 &cdev->pdev->dev);
1256 if (rc) {
1257 DP_NOTICE(cdev,
1258 "Failed to find fw file - /lib/firmware/%s\n",
1259 QED_FW_FILE_NAME);
1260 goto err;
1261 }
1262
1263 if (cdev->num_hwfns == 1) {
1264 p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1265 if (p_ptt) {
1266 QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1267 } else {
1268 DP_NOTICE(cdev,
1269 "Failed to acquire PTT for aRFS\n");
1270 rc = -EINVAL;
1271 goto err;
1272 }
1273 }
1274 }
1275
1276 cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1277 rc = qed_nic_setup(cdev);
1278 if (rc)
1279 goto err;
1280
1281 if (IS_PF(cdev))
1282 rc = qed_slowpath_setup_int(cdev, params->int_mode);
1283 else
1284 rc = qed_slowpath_vf_setup_int(cdev);
1285 if (rc)
1286 goto err1;
1287
1288 if (IS_PF(cdev)) {
1289 /* Allocate stream for unzipping */
1290 rc = qed_alloc_stream_mem(cdev);
1291 if (rc)
1292 goto err2;
1293
1294 /* First Dword used to differentiate between various sources */
1295 data = cdev->firmware->data + sizeof(u32);
1296
1297 qed_dbg_pf_init(cdev);
1298 }
1299
1300 /* Start the slowpath */
1301 memset(&hw_init_params, 0, sizeof(hw_init_params));
1302 memset(&tunn_info, 0, sizeof(tunn_info));
1303 tunn_info.vxlan.b_mode_enabled = true;
1304 tunn_info.l2_gre.b_mode_enabled = true;
1305 tunn_info.ip_gre.b_mode_enabled = true;
1306 tunn_info.l2_geneve.b_mode_enabled = true;
1307 tunn_info.ip_geneve.b_mode_enabled = true;
1308 tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1309 tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1310 tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1311 tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1312 tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1313 hw_init_params.p_tunn = &tunn_info;
1314 hw_init_params.b_hw_start = true;
1315 hw_init_params.int_mode = cdev->int_params.out.int_mode;
1316 hw_init_params.allow_npar_tx_switch = true;
1317 hw_init_params.bin_fw_data = data;
1318
1319 memset(&drv_load_params, 0, sizeof(drv_load_params));
1320 drv_load_params.is_crash_kernel = is_kdump_kernel();
1321 drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1322 drv_load_params.avoid_eng_reset = false;
1323 drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1324 hw_init_params.p_drv_load_params = &drv_load_params;
1325
1326 rc = qed_hw_init(cdev, &hw_init_params);
1327 if (rc)
1328 goto err2;
1329
1330 DP_INFO(cdev,
1331 "HW initialization and function start completed successfully\n");
1332
1333 if (IS_PF(cdev)) {
1334 cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1335 BIT(QED_MODE_L2GENEVE_TUNN) |
1336 BIT(QED_MODE_IPGENEVE_TUNN) |
1337 BIT(QED_MODE_L2GRE_TUNN) |
1338 BIT(QED_MODE_IPGRE_TUNN));
1339 }
1340
1341 /* Allocate LL2 interface if needed */
1342 if (QED_LEADING_HWFN(cdev)->using_ll2) {
1343 rc = qed_ll2_alloc_if(cdev);
1344 if (rc)
1345 goto err3;
1346 }
1347 if (IS_PF(cdev)) {
1348 hwfn = QED_LEADING_HWFN(cdev);
1349 drv_version.version = (params->drv_major << 24) |
1350 (params->drv_minor << 16) |
1351 (params->drv_rev << 8) |
1352 (params->drv_eng);
1353 strscpy(drv_version.name, params->name,
1354 MCP_DRV_VER_STR_SIZE - 4);
1355 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1356 &drv_version);
1357 if (rc) {
1358 DP_NOTICE(cdev, "Failed sending drv version command\n");
1359 goto err4;
1360 }
1361 }
1362
1363 qed_reset_vport_stats(cdev);
1364
1365 return 0;
1366
1367err4:
1368 qed_ll2_dealloc_if(cdev);
1369err3:
1370 qed_hw_stop(cdev);
1371err2:
1372 qed_hw_timers_stop_all(cdev);
1373 if (IS_PF(cdev))
1374 qed_slowpath_irq_free(cdev);
1375 qed_free_stream_mem(cdev);
1376 qed_disable_msix(cdev);
1377err1:
1378 qed_resc_free(cdev);
1379err:
1380 if (IS_PF(cdev))
1381 release_firmware(cdev->firmware);
1382
1383 if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1384 QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1385 qed_ptt_release(QED_LEADING_HWFN(cdev),
1386 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1387
1388 qed_iov_wq_stop(cdev, false);
1389
1390 qed_slowpath_wq_stop(cdev);
1391
1392 return rc;
1393}
1394
1395static int qed_slowpath_stop(struct qed_dev *cdev)
1396{
1397 if (!cdev)
1398 return -ENODEV;
1399
1400 qed_slowpath_wq_stop(cdev);
1401
1402 qed_ll2_dealloc_if(cdev);
1403
1404 if (IS_PF(cdev)) {
1405 if (cdev->num_hwfns == 1)
1406 qed_ptt_release(QED_LEADING_HWFN(cdev),
1407 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1408 qed_free_stream_mem(cdev);
1409 if (IS_QED_ETH_IF(cdev))
1410 qed_sriov_disable(cdev, true);
1411 }
1412
1413 qed_nic_stop(cdev);
1414
1415 if (IS_PF(cdev))
1416 qed_slowpath_irq_free(cdev);
1417
1418 qed_disable_msix(cdev);
1419
1420 qed_resc_free(cdev);
1421
1422 qed_iov_wq_stop(cdev, true);
1423
1424 if (IS_PF(cdev))
1425 release_firmware(cdev->firmware);
1426
1427 return 0;
1428}
1429
1430static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1431{
1432 int i;
1433
1434 memcpy(cdev->name, name, NAME_SIZE);
1435 for_each_hwfn(cdev, i)
1436 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1437}
1438
1439static u32 qed_sb_init(struct qed_dev *cdev,
1440 struct qed_sb_info *sb_info,
1441 void *sb_virt_addr,
1442 dma_addr_t sb_phy_addr, u16 sb_id,
1443 enum qed_sb_type type)
1444{
1445 struct qed_hwfn *p_hwfn;
1446 struct qed_ptt *p_ptt;
1447 u16 rel_sb_id;
1448 u32 rc;
1449
1450 /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1451 if (type == QED_SB_TYPE_L2_QUEUE) {
1452 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1453 rel_sb_id = sb_id / cdev->num_hwfns;
1454 } else {
1455 p_hwfn = QED_AFFIN_HWFN(cdev);
1456 rel_sb_id = sb_id;
1457 }
1458
1459 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1460 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1461 IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1462
1463 if (IS_PF(p_hwfn->cdev)) {
1464 p_ptt = qed_ptt_acquire(p_hwfn);
1465 if (!p_ptt)
1466 return -EBUSY;
1467
1468 rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1469 sb_phy_addr, rel_sb_id);
1470 qed_ptt_release(p_hwfn, p_ptt);
1471 } else {
1472 rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1473 sb_phy_addr, rel_sb_id);
1474 }
1475
1476 return rc;
1477}
1478
1479static u32 qed_sb_release(struct qed_dev *cdev,
1480 struct qed_sb_info *sb_info,
1481 u16 sb_id,
1482 enum qed_sb_type type)
1483{
1484 struct qed_hwfn *p_hwfn;
1485 u16 rel_sb_id;
1486 u32 rc;
1487
1488 /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1489 if (type == QED_SB_TYPE_L2_QUEUE) {
1490 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1491 rel_sb_id = sb_id / cdev->num_hwfns;
1492 } else {
1493 p_hwfn = QED_AFFIN_HWFN(cdev);
1494 rel_sb_id = sb_id;
1495 }
1496
1497 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1498 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1499 IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1500
1501 rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1502
1503 return rc;
1504}
1505
1506static bool qed_can_link_change(struct qed_dev *cdev)
1507{
1508 return true;
1509}
1510
1511static void qed_set_ext_speed_params(struct qed_mcp_link_params *link_params,
1512 const struct qed_link_params *params)
1513{
1514 struct qed_mcp_link_speed_params *ext_speed = &link_params->ext_speed;
1515 const struct qed_mfw_speed_map *map;
1516 u32 i;
1517
1518 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1519 ext_speed->autoneg = !!params->autoneg;
1520
1521 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1522 ext_speed->advertised_speeds = 0;
1523
1524 for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++) {
1525 map = qed_mfw_ext_maps + i;
1526
1527 if (linkmode_intersects(params->adv_speeds, map->caps))
1528 ext_speed->advertised_speeds |= map->mfw_val;
1529 }
1530 }
1531
1532 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED) {
1533 switch (params->forced_speed) {
1534 case SPEED_1000:
1535 ext_speed->forced_speed = QED_EXT_SPEED_1G;
1536 break;
1537 case SPEED_10000:
1538 ext_speed->forced_speed = QED_EXT_SPEED_10G;
1539 break;
1540 case SPEED_20000:
1541 ext_speed->forced_speed = QED_EXT_SPEED_20G;
1542 break;
1543 case SPEED_25000:
1544 ext_speed->forced_speed = QED_EXT_SPEED_25G;
1545 break;
1546 case SPEED_40000:
1547 ext_speed->forced_speed = QED_EXT_SPEED_40G;
1548 break;
1549 case SPEED_50000:
1550 ext_speed->forced_speed = QED_EXT_SPEED_50G_R |
1551 QED_EXT_SPEED_50G_R2;
1552 break;
1553 case SPEED_100000:
1554 ext_speed->forced_speed = QED_EXT_SPEED_100G_R2 |
1555 QED_EXT_SPEED_100G_R4 |
1556 QED_EXT_SPEED_100G_P4;
1557 break;
1558 default:
1559 break;
1560 }
1561 }
1562
1563 if (!(params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG))
1564 return;
1565
1566 switch (params->forced_speed) {
1567 case SPEED_25000:
1568 switch (params->fec) {
1569 case FEC_FORCE_MODE_NONE:
1570 link_params->ext_fec_mode = ETH_EXT_FEC_25G_NONE;
1571 break;
1572 case FEC_FORCE_MODE_FIRECODE:
1573 link_params->ext_fec_mode = ETH_EXT_FEC_25G_BASE_R;
1574 break;
1575 case FEC_FORCE_MODE_RS:
1576 link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528;
1577 break;
1578 case FEC_FORCE_MODE_AUTO:
1579 link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528 |
1580 ETH_EXT_FEC_25G_BASE_R |
1581 ETH_EXT_FEC_25G_NONE;
1582 break;
1583 default:
1584 break;
1585 }
1586
1587 break;
1588 case SPEED_40000:
1589 switch (params->fec) {
1590 case FEC_FORCE_MODE_NONE:
1591 link_params->ext_fec_mode = ETH_EXT_FEC_40G_NONE;
1592 break;
1593 case FEC_FORCE_MODE_FIRECODE:
1594 link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R;
1595 break;
1596 case FEC_FORCE_MODE_AUTO:
1597 link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R |
1598 ETH_EXT_FEC_40G_NONE;
1599 break;
1600 default:
1601 break;
1602 }
1603
1604 break;
1605 case SPEED_50000:
1606 switch (params->fec) {
1607 case FEC_FORCE_MODE_NONE:
1608 link_params->ext_fec_mode = ETH_EXT_FEC_50G_NONE;
1609 break;
1610 case FEC_FORCE_MODE_FIRECODE:
1611 link_params->ext_fec_mode = ETH_EXT_FEC_50G_BASE_R;
1612 break;
1613 case FEC_FORCE_MODE_RS:
1614 link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528;
1615 break;
1616 case FEC_FORCE_MODE_AUTO:
1617 link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528 |
1618 ETH_EXT_FEC_50G_BASE_R |
1619 ETH_EXT_FEC_50G_NONE;
1620 break;
1621 default:
1622 break;
1623 }
1624
1625 break;
1626 case SPEED_100000:
1627 switch (params->fec) {
1628 case FEC_FORCE_MODE_NONE:
1629 link_params->ext_fec_mode = ETH_EXT_FEC_100G_NONE;
1630 break;
1631 case FEC_FORCE_MODE_FIRECODE:
1632 link_params->ext_fec_mode = ETH_EXT_FEC_100G_BASE_R;
1633 break;
1634 case FEC_FORCE_MODE_RS:
1635 link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528;
1636 break;
1637 case FEC_FORCE_MODE_AUTO:
1638 link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528 |
1639 ETH_EXT_FEC_100G_BASE_R |
1640 ETH_EXT_FEC_100G_NONE;
1641 break;
1642 default:
1643 break;
1644 }
1645
1646 break;
1647 default:
1648 break;
1649 }
1650}
1651
1652static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1653{
1654 struct qed_mcp_link_params *link_params;
1655 struct qed_mcp_link_speed_params *speed;
1656 const struct qed_mfw_speed_map *map;
1657 struct qed_hwfn *hwfn;
1658 struct qed_ptt *ptt;
1659 int rc;
1660 u32 i;
1661
1662 if (!cdev)
1663 return -ENODEV;
1664
1665 /* The link should be set only once per PF */
1666 hwfn = &cdev->hwfns[0];
1667
1668 /* When VF wants to set link, force it to read the bulletin instead.
1669 * This mimics the PF behavior, where a noitification [both immediate
1670 * and possible later] would be generated when changing properties.
1671 */
1672 if (IS_VF(cdev)) {
1673 qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1674 return 0;
1675 }
1676
1677 ptt = qed_ptt_acquire(hwfn);
1678 if (!ptt)
1679 return -EBUSY;
1680
1681 link_params = qed_mcp_get_link_params(hwfn);
1682 if (!link_params)
1683 return -ENODATA;
1684
1685 speed = &link_params->speed;
1686
1687 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1688 speed->autoneg = !!params->autoneg;
1689
1690 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1691 speed->advertised_speeds = 0;
1692
1693 for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++) {
1694 map = qed_mfw_legacy_maps + i;
1695
1696 if (linkmode_intersects(params->adv_speeds, map->caps))
1697 speed->advertised_speeds |= map->mfw_val;
1698 }
1699 }
1700
1701 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1702 speed->forced_speed = params->forced_speed;
1703
1704 if (qed_mcp_is_ext_speed_supported(hwfn))
1705 qed_set_ext_speed_params(link_params, params);
1706
1707 if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1708 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1709 link_params->pause.autoneg = true;
1710 else
1711 link_params->pause.autoneg = false;
1712 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1713 link_params->pause.forced_rx = true;
1714 else
1715 link_params->pause.forced_rx = false;
1716 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1717 link_params->pause.forced_tx = true;
1718 else
1719 link_params->pause.forced_tx = false;
1720 }
1721
1722 if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1723 switch (params->loopback_mode) {
1724 case QED_LINK_LOOPBACK_INT_PHY:
1725 link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1726 break;
1727 case QED_LINK_LOOPBACK_EXT_PHY:
1728 link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1729 break;
1730 case QED_LINK_LOOPBACK_EXT:
1731 link_params->loopback_mode = ETH_LOOPBACK_EXT;
1732 break;
1733 case QED_LINK_LOOPBACK_MAC:
1734 link_params->loopback_mode = ETH_LOOPBACK_MAC;
1735 break;
1736 case QED_LINK_LOOPBACK_CNIG_AH_ONLY_0123:
1737 link_params->loopback_mode =
1738 ETH_LOOPBACK_CNIG_AH_ONLY_0123;
1739 break;
1740 case QED_LINK_LOOPBACK_CNIG_AH_ONLY_2301:
1741 link_params->loopback_mode =
1742 ETH_LOOPBACK_CNIG_AH_ONLY_2301;
1743 break;
1744 case QED_LINK_LOOPBACK_PCS_AH_ONLY:
1745 link_params->loopback_mode = ETH_LOOPBACK_PCS_AH_ONLY;
1746 break;
1747 case QED_LINK_LOOPBACK_REVERSE_MAC_AH_ONLY:
1748 link_params->loopback_mode =
1749 ETH_LOOPBACK_REVERSE_MAC_AH_ONLY;
1750 break;
1751 case QED_LINK_LOOPBACK_INT_PHY_FEA_AH_ONLY:
1752 link_params->loopback_mode =
1753 ETH_LOOPBACK_INT_PHY_FEA_AH_ONLY;
1754 break;
1755 default:
1756 link_params->loopback_mode = ETH_LOOPBACK_NONE;
1757 break;
1758 }
1759 }
1760
1761 if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1762 memcpy(&link_params->eee, ¶ms->eee,
1763 sizeof(link_params->eee));
1764
1765 if (params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG)
1766 link_params->fec = params->fec;
1767
1768 rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1769
1770 qed_ptt_release(hwfn, ptt);
1771
1772 return rc;
1773}
1774
1775static int qed_get_port_type(u32 media_type)
1776{
1777 int port_type;
1778
1779 switch (media_type) {
1780 case MEDIA_SFPP_10G_FIBER:
1781 case MEDIA_SFP_1G_FIBER:
1782 case MEDIA_XFP_FIBER:
1783 case MEDIA_MODULE_FIBER:
1784 port_type = PORT_FIBRE;
1785 break;
1786 case MEDIA_DA_TWINAX:
1787 port_type = PORT_DA;
1788 break;
1789 case MEDIA_BASE_T:
1790 port_type = PORT_TP;
1791 break;
1792 case MEDIA_KR:
1793 case MEDIA_NOT_PRESENT:
1794 port_type = PORT_NONE;
1795 break;
1796 case MEDIA_UNSPECIFIED:
1797 default:
1798 port_type = PORT_OTHER;
1799 break;
1800 }
1801 return port_type;
1802}
1803
1804static int qed_get_link_data(struct qed_hwfn *hwfn,
1805 struct qed_mcp_link_params *params,
1806 struct qed_mcp_link_state *link,
1807 struct qed_mcp_link_capabilities *link_caps)
1808{
1809 void *p;
1810
1811 if (!IS_PF(hwfn->cdev)) {
1812 qed_vf_get_link_params(hwfn, params);
1813 qed_vf_get_link_state(hwfn, link);
1814 qed_vf_get_link_caps(hwfn, link_caps);
1815
1816 return 0;
1817 }
1818
1819 p = qed_mcp_get_link_params(hwfn);
1820 if (!p)
1821 return -ENXIO;
1822 memcpy(params, p, sizeof(*params));
1823
1824 p = qed_mcp_get_link_state(hwfn);
1825 if (!p)
1826 return -ENXIO;
1827 memcpy(link, p, sizeof(*link));
1828
1829 p = qed_mcp_get_link_capabilities(hwfn);
1830 if (!p)
1831 return -ENXIO;
1832 memcpy(link_caps, p, sizeof(*link_caps));
1833
1834 return 0;
1835}
1836
1837static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1838 struct qed_ptt *ptt, u32 capability,
1839 unsigned long *if_caps)
1840{
1841 u32 media_type, tcvr_state, tcvr_type;
1842 u32 speed_mask, board_cfg;
1843
1844 if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1845 media_type = MEDIA_UNSPECIFIED;
1846
1847 if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1848 tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1849
1850 if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1851 speed_mask = 0xFFFFFFFF;
1852
1853 if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1854 board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1855
1856 DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1857 "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1858 media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1859
1860 switch (media_type) {
1861 case MEDIA_DA_TWINAX:
1862 phylink_set(if_caps, FIBRE);
1863
1864 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1865 phylink_set(if_caps, 20000baseKR2_Full);
1866
1867 /* For DAC media multiple speed capabilities are supported */
1868 capability |= speed_mask;
1869
1870 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1871 phylink_set(if_caps, 1000baseKX_Full);
1872 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1873 phylink_set(if_caps, 10000baseCR_Full);
1874
1875 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1876 switch (tcvr_type) {
1877 case ETH_TRANSCEIVER_TYPE_40G_CR4:
1878 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
1879 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1880 phylink_set(if_caps, 40000baseCR4_Full);
1881 break;
1882 default:
1883 break;
1884 }
1885
1886 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1887 phylink_set(if_caps, 25000baseCR_Full);
1888 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1889 phylink_set(if_caps, 50000baseCR2_Full);
1890
1891 if (capability &
1892 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1893 switch (tcvr_type) {
1894 case ETH_TRANSCEIVER_TYPE_100G_CR4:
1895 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1896 phylink_set(if_caps, 100000baseCR4_Full);
1897 break;
1898 default:
1899 break;
1900 }
1901
1902 break;
1903 case MEDIA_BASE_T:
1904 phylink_set(if_caps, TP);
1905
1906 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1907 if (capability &
1908 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1909 phylink_set(if_caps, 1000baseT_Full);
1910 if (capability &
1911 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1912 phylink_set(if_caps, 10000baseT_Full);
1913 }
1914
1915 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1916 phylink_set(if_caps, FIBRE);
1917
1918 switch (tcvr_type) {
1919 case ETH_TRANSCEIVER_TYPE_1000BASET:
1920 phylink_set(if_caps, 1000baseT_Full);
1921 break;
1922 case ETH_TRANSCEIVER_TYPE_10G_BASET:
1923 phylink_set(if_caps, 10000baseT_Full);
1924 break;
1925 default:
1926 break;
1927 }
1928 }
1929
1930 break;
1931 case MEDIA_SFP_1G_FIBER:
1932 case MEDIA_SFPP_10G_FIBER:
1933 case MEDIA_XFP_FIBER:
1934 case MEDIA_MODULE_FIBER:
1935 phylink_set(if_caps, FIBRE);
1936 capability |= speed_mask;
1937
1938 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1939 switch (tcvr_type) {
1940 case ETH_TRANSCEIVER_TYPE_1G_LX:
1941 case ETH_TRANSCEIVER_TYPE_1G_SX:
1942 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1943 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1944 phylink_set(if_caps, 1000baseKX_Full);
1945 break;
1946 default:
1947 break;
1948 }
1949
1950 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1951 switch (tcvr_type) {
1952 case ETH_TRANSCEIVER_TYPE_10G_SR:
1953 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1954 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1955 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1956 phylink_set(if_caps, 10000baseSR_Full);
1957 break;
1958 case ETH_TRANSCEIVER_TYPE_10G_LR:
1959 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1960 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
1961 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1962 phylink_set(if_caps, 10000baseLR_Full);
1963 break;
1964 case ETH_TRANSCEIVER_TYPE_10G_LRM:
1965 phylink_set(if_caps, 10000baseLRM_Full);
1966 break;
1967 case ETH_TRANSCEIVER_TYPE_10G_ER:
1968 phylink_set(if_caps, 10000baseR_FEC);
1969 break;
1970 default:
1971 break;
1972 }
1973
1974 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1975 phylink_set(if_caps, 20000baseKR2_Full);
1976
1977 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1978 switch (tcvr_type) {
1979 case ETH_TRANSCEIVER_TYPE_25G_SR:
1980 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1981 phylink_set(if_caps, 25000baseSR_Full);
1982 break;
1983 default:
1984 break;
1985 }
1986
1987 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1988 switch (tcvr_type) {
1989 case ETH_TRANSCEIVER_TYPE_40G_LR4:
1990 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1991 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
1992 phylink_set(if_caps, 40000baseLR4_Full);
1993 break;
1994 case ETH_TRANSCEIVER_TYPE_40G_SR4:
1995 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
1996 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1997 phylink_set(if_caps, 40000baseSR4_Full);
1998 break;
1999 default:
2000 break;
2001 }
2002
2003 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2004 phylink_set(if_caps, 50000baseKR2_Full);
2005
2006 if (capability &
2007 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2008 switch (tcvr_type) {
2009 case ETH_TRANSCEIVER_TYPE_100G_SR4:
2010 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2011 phylink_set(if_caps, 100000baseSR4_Full);
2012 break;
2013 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2014 phylink_set(if_caps, 100000baseLR4_ER4_Full);
2015 break;
2016 default:
2017 break;
2018 }
2019
2020 break;
2021 case MEDIA_KR:
2022 phylink_set(if_caps, Backplane);
2023
2024 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
2025 phylink_set(if_caps, 20000baseKR2_Full);
2026 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
2027 phylink_set(if_caps, 1000baseKX_Full);
2028 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
2029 phylink_set(if_caps, 10000baseKR_Full);
2030 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2031 phylink_set(if_caps, 25000baseKR_Full);
2032 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2033 phylink_set(if_caps, 40000baseKR4_Full);
2034 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2035 phylink_set(if_caps, 50000baseKR2_Full);
2036 if (capability &
2037 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2038 phylink_set(if_caps, 100000baseKR4_Full);
2039
2040 break;
2041 case MEDIA_UNSPECIFIED:
2042 case MEDIA_NOT_PRESENT:
2043 default:
2044 DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
2045 "Unknown media and transceiver type;\n");
2046 break;
2047 }
2048}
2049
2050static void qed_lp_caps_to_speed_mask(u32 caps, u32 *speed_mask)
2051{
2052 *speed_mask = 0;
2053
2054 if (caps &
2055 (QED_LINK_PARTNER_SPEED_1G_FD | QED_LINK_PARTNER_SPEED_1G_HD))
2056 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2057 if (caps & QED_LINK_PARTNER_SPEED_10G)
2058 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2059 if (caps & QED_LINK_PARTNER_SPEED_20G)
2060 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
2061 if (caps & QED_LINK_PARTNER_SPEED_25G)
2062 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2063 if (caps & QED_LINK_PARTNER_SPEED_40G)
2064 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2065 if (caps & QED_LINK_PARTNER_SPEED_50G)
2066 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
2067 if (caps & QED_LINK_PARTNER_SPEED_100G)
2068 *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
2069}
2070
2071static void qed_fill_link(struct qed_hwfn *hwfn,
2072 struct qed_ptt *ptt,
2073 struct qed_link_output *if_link)
2074{
2075 struct qed_mcp_link_capabilities link_caps;
2076 struct qed_mcp_link_params params;
2077 struct qed_mcp_link_state link;
2078 u32 media_type, speed_mask;
2079
2080 memset(if_link, 0, sizeof(*if_link));
2081
2082 /* Prepare source inputs */
2083 if (qed_get_link_data(hwfn, ¶ms, &link, &link_caps)) {
2084 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
2085 return;
2086 }
2087
2088 /* Set the link parameters to pass to protocol driver */
2089 if (link.link_up)
2090 if_link->link_up = true;
2091
2092 if (IS_PF(hwfn->cdev) && qed_mcp_is_ext_speed_supported(hwfn)) {
2093 if (link_caps.default_ext_autoneg)
2094 phylink_set(if_link->supported_caps, Autoneg);
2095
2096 linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2097
2098 if (params.ext_speed.autoneg)
2099 phylink_set(if_link->advertised_caps, Autoneg);
2100 else
2101 phylink_clear(if_link->advertised_caps, Autoneg);
2102
2103 qed_fill_link_capability(hwfn, ptt,
2104 params.ext_speed.advertised_speeds,
2105 if_link->advertised_caps);
2106 } else {
2107 if (link_caps.default_speed_autoneg)
2108 phylink_set(if_link->supported_caps, Autoneg);
2109
2110 linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2111
2112 if (params.speed.autoneg)
2113 phylink_set(if_link->advertised_caps, Autoneg);
2114 else
2115 phylink_clear(if_link->advertised_caps, Autoneg);
2116 }
2117
2118 if (params.pause.autoneg ||
2119 (params.pause.forced_rx && params.pause.forced_tx))
2120 phylink_set(if_link->supported_caps, Asym_Pause);
2121 if (params.pause.autoneg || params.pause.forced_rx ||
2122 params.pause.forced_tx)
2123 phylink_set(if_link->supported_caps, Pause);
2124
2125 if_link->sup_fec = link_caps.fec_default;
2126 if_link->active_fec = params.fec;
2127
2128 /* Fill link advertised capability */
2129 qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
2130 if_link->advertised_caps);
2131
2132 /* Fill link supported capability */
2133 qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
2134 if_link->supported_caps);
2135
2136 /* Fill partner advertised capability */
2137 qed_lp_caps_to_speed_mask(link.partner_adv_speed, &speed_mask);
2138 qed_fill_link_capability(hwfn, ptt, speed_mask, if_link->lp_caps);
2139
2140 if (link.link_up)
2141 if_link->speed = link.speed;
2142
2143 /* TODO - fill duplex properly */
2144 if_link->duplex = DUPLEX_FULL;
2145 qed_mcp_get_media_type(hwfn, ptt, &media_type);
2146 if_link->port = qed_get_port_type(media_type);
2147
2148 if_link->autoneg = params.speed.autoneg;
2149
2150 if (params.pause.autoneg)
2151 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
2152 if (params.pause.forced_rx)
2153 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
2154 if (params.pause.forced_tx)
2155 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
2156
2157 if (link.an_complete)
2158 phylink_set(if_link->lp_caps, Autoneg);
2159 if (link.partner_adv_pause)
2160 phylink_set(if_link->lp_caps, Pause);
2161 if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
2162 link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
2163 phylink_set(if_link->lp_caps, Asym_Pause);
2164
2165 if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
2166 if_link->eee_supported = false;
2167 } else {
2168 if_link->eee_supported = true;
2169 if_link->eee_active = link.eee_active;
2170 if_link->sup_caps = link_caps.eee_speed_caps;
2171 /* MFW clears adv_caps on eee disable; use configured value */
2172 if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
2173 params.eee.adv_caps;
2174 if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
2175 if_link->eee.enable = params.eee.enable;
2176 if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
2177 if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
2178 }
2179}
2180
2181static void qed_get_current_link(struct qed_dev *cdev,
2182 struct qed_link_output *if_link)
2183{
2184 struct qed_hwfn *hwfn;
2185 struct qed_ptt *ptt;
2186 int i;
2187
2188 hwfn = &cdev->hwfns[0];
2189 if (IS_PF(cdev)) {
2190 ptt = qed_ptt_acquire(hwfn);
2191 if (ptt) {
2192 qed_fill_link(hwfn, ptt, if_link);
2193 qed_ptt_release(hwfn, ptt);
2194 } else {
2195 DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
2196 }
2197 } else {
2198 qed_fill_link(hwfn, NULL, if_link);
2199 }
2200
2201 for_each_hwfn(cdev, i)
2202 qed_inform_vf_link_state(&cdev->hwfns[i]);
2203}
2204
2205void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2206{
2207 void *cookie = hwfn->cdev->ops_cookie;
2208 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2209 struct qed_link_output if_link;
2210
2211 qed_fill_link(hwfn, ptt, &if_link);
2212 qed_inform_vf_link_state(hwfn);
2213
2214 if (IS_LEAD_HWFN(hwfn) && cookie)
2215 op->link_update(cookie, &if_link);
2216}
2217
2218void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2219{
2220 void *cookie = hwfn->cdev->ops_cookie;
2221 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2222
2223 if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update)
2224 op->bw_update(cookie);
2225}
2226
2227static int qed_drain(struct qed_dev *cdev)
2228{
2229 struct qed_hwfn *hwfn;
2230 struct qed_ptt *ptt;
2231 int i, rc;
2232
2233 if (IS_VF(cdev))
2234 return 0;
2235
2236 for_each_hwfn(cdev, i) {
2237 hwfn = &cdev->hwfns[i];
2238 ptt = qed_ptt_acquire(hwfn);
2239 if (!ptt) {
2240 DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
2241 return -EBUSY;
2242 }
2243 rc = qed_mcp_drain(hwfn, ptt);
2244 qed_ptt_release(hwfn, ptt);
2245 if (rc)
2246 return rc;
2247 }
2248
2249 return 0;
2250}
2251
2252static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
2253 struct qed_nvm_image_att *nvm_image,
2254 u32 *crc)
2255{
2256 u8 *buf = NULL;
2257 int rc;
2258
2259 /* Allocate a buffer for holding the nvram image */
2260 buf = kzalloc(nvm_image->length, GFP_KERNEL);
2261 if (!buf)
2262 return -ENOMEM;
2263
2264 /* Read image into buffer */
2265 rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
2266 buf, nvm_image->length);
2267 if (rc) {
2268 DP_ERR(cdev, "Failed reading image from nvm\n");
2269 goto out;
2270 }
2271
2272 /* Convert the buffer into big-endian format (excluding the
2273 * closing 4 bytes of CRC).
2274 */
2275 cpu_to_be32_array((__force __be32 *)buf, (const u32 *)buf,
2276 DIV_ROUND_UP(nvm_image->length - 4, 4));
2277
2278 /* Calc CRC for the "actual" image buffer, i.e. not including
2279 * the last 4 CRC bytes.
2280 */
2281 *crc = ~crc32(~0U, buf, nvm_image->length - 4);
2282 *crc = (__force u32)cpu_to_be32p(crc);
2283
2284out:
2285 kfree(buf);
2286
2287 return rc;
2288}
2289
2290/* Binary file format -
2291 * /----------------------------------------------------------------------\
2292 * 0B | 0x4 [command index] |
2293 * 4B | image_type | Options | Number of register settings |
2294 * 8B | Value |
2295 * 12B | Mask |
2296 * 16B | Offset |
2297 * \----------------------------------------------------------------------/
2298 * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2299 * Options - 0'b - Calculate & Update CRC for image
2300 */
2301static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2302 bool *check_resp)
2303{
2304 struct qed_nvm_image_att nvm_image;
2305 struct qed_hwfn *p_hwfn;
2306 bool is_crc = false;
2307 u32 image_type;
2308 int rc = 0, i;
2309 u16 len;
2310
2311 *data += 4;
2312 image_type = **data;
2313 p_hwfn = QED_LEADING_HWFN(cdev);
2314 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2315 if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2316 break;
2317 if (i == p_hwfn->nvm_info.num_images) {
2318 DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2319 image_type);
2320 return -ENOENT;
2321 }
2322
2323 nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2324 nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2325
2326 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2327 "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2328 **data, image_type, nvm_image.start_addr,
2329 nvm_image.start_addr + nvm_image.length - 1);
2330 (*data)++;
2331 is_crc = !!(**data & BIT(0));
2332 (*data)++;
2333 len = *((u16 *)*data);
2334 *data += 2;
2335 if (is_crc) {
2336 u32 crc = 0;
2337
2338 rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2339 if (rc) {
2340 DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2341 goto exit;
2342 }
2343
2344 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2345 (nvm_image.start_addr +
2346 nvm_image.length - 4), (u8 *)&crc, 4);
2347 if (rc)
2348 DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2349 nvm_image.start_addr + nvm_image.length - 4, rc);
2350 goto exit;
2351 }
2352
2353 /* Iterate over the values for setting */
2354 while (len) {
2355 u32 offset, mask, value, cur_value;
2356 u8 buf[4];
2357
2358 value = *((u32 *)*data);
2359 *data += 4;
2360 mask = *((u32 *)*data);
2361 *data += 4;
2362 offset = *((u32 *)*data);
2363 *data += 4;
2364
2365 rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2366 4);
2367 if (rc) {
2368 DP_ERR(cdev, "Failed reading from %08x\n",
2369 nvm_image.start_addr + offset);
2370 goto exit;
2371 }
2372
2373 cur_value = le32_to_cpu(*((__le32 *)buf));
2374 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2375 "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2376 nvm_image.start_addr + offset, cur_value,
2377 (cur_value & ~mask) | (value & mask), value, mask);
2378 value = (value & mask) | (cur_value & ~mask);
2379 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2380 nvm_image.start_addr + offset,
2381 (u8 *)&value, 4);
2382 if (rc) {
2383 DP_ERR(cdev, "Failed writing to %08x\n",
2384 nvm_image.start_addr + offset);
2385 goto exit;
2386 }
2387
2388 len--;
2389 }
2390exit:
2391 return rc;
2392}
2393
2394/* Binary file format -
2395 * /----------------------------------------------------------------------\
2396 * 0B | 0x3 [command index] |
2397 * 4B | b'0: check_response? | b'1-31 reserved |
2398 * 8B | File-type | reserved |
2399 * 12B | Image length in bytes |
2400 * \----------------------------------------------------------------------/
2401 * Start a new file of the provided type
2402 */
2403static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2404 const u8 **data, bool *check_resp)
2405{
2406 u32 file_type, file_size = 0;
2407 int rc;
2408
2409 *data += 4;
2410 *check_resp = !!(**data & BIT(0));
2411 *data += 4;
2412 file_type = **data;
2413
2414 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2415 "About to start a new file of type %02x\n", file_type);
2416 if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2417 *data += 4;
2418 file_size = *((u32 *)(*data));
2419 }
2420
2421 rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2422 (u8 *)(&file_size), 4);
2423 *data += 4;
2424
2425 return rc;
2426}
2427
2428/* Binary file format -
2429 * /----------------------------------------------------------------------\
2430 * 0B | 0x2 [command index] |
2431 * 4B | Length in bytes |
2432 * 8B | b'0: check_response? | b'1-31 reserved |
2433 * 12B | Offset in bytes |
2434 * 16B | Data ... |
2435 * \----------------------------------------------------------------------/
2436 * Write data as part of a file that was previously started. Data should be
2437 * of length equal to that provided in the message
2438 */
2439static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2440 const u8 **data, bool *check_resp)
2441{
2442 u32 offset, len;
2443 int rc;
2444
2445 *data += 4;
2446 len = *((u32 *)(*data));
2447 *data += 4;
2448 *check_resp = !!(**data & BIT(0));
2449 *data += 4;
2450 offset = *((u32 *)(*data));
2451 *data += 4;
2452
2453 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2454 "About to write File-data: %08x bytes to offset %08x\n",
2455 len, offset);
2456
2457 rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2458 (char *)(*data), len);
2459 *data += len;
2460
2461 return rc;
2462}
2463
2464/* Binary file format [General header] -
2465 * /----------------------------------------------------------------------\
2466 * 0B | QED_NVM_SIGNATURE |
2467 * 4B | Length in bytes |
2468 * 8B | Highest command in this batchfile | Reserved |
2469 * \----------------------------------------------------------------------/
2470 */
2471static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2472 const struct firmware *image,
2473 const u8 **data)
2474{
2475 u32 signature, len;
2476
2477 /* Check minimum size */
2478 if (image->size < 12) {
2479 DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2480 return -EINVAL;
2481 }
2482
2483 /* Check signature */
2484 signature = *((u32 *)(*data));
2485 if (signature != QED_NVM_SIGNATURE) {
2486 DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2487 return -EINVAL;
2488 }
2489
2490 *data += 4;
2491 /* Validate internal size equals the image-size */
2492 len = *((u32 *)(*data));
2493 if (len != image->size) {
2494 DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2495 len, (u32)image->size);
2496 return -EINVAL;
2497 }
2498
2499 *data += 4;
2500 /* Make sure driver familiar with all commands necessary for this */
2501 if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2502 DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2503 *((u16 *)(*data)));
2504 return -EINVAL;
2505 }
2506
2507 *data += 4;
2508
2509 return 0;
2510}
2511
2512/* Binary file format -
2513 * /----------------------------------------------------------------------\
2514 * 0B | 0x5 [command index] |
2515 * 4B | Number of config attributes | Reserved |
2516 * 4B | Config ID | Entity ID | Length |
2517 * 4B | Value |
2518 * | |
2519 * \----------------------------------------------------------------------/
2520 * There can be several cfg_id-entity_id-Length-Value sets as specified by
2521 * 'Number of config attributes'.
2522 *
2523 * The API parses config attributes from the user provided buffer and flashes
2524 * them to the respective NVM path using Management FW inerface.
2525 */
2526static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
2527{
2528 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2529 u8 entity_id, len, buf[32];
2530 bool need_nvm_init = true;
2531 struct qed_ptt *ptt;
2532 u16 cfg_id, count;
2533 int rc = 0, i;
2534 u32 flags;
2535
2536 ptt = qed_ptt_acquire(hwfn);
2537 if (!ptt)
2538 return -EAGAIN;
2539
2540 /* NVM CFG ID attribute header */
2541 *data += 4;
2542 count = *((u16 *)*data);
2543 *data += 4;
2544
2545 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2546 "Read config ids: num_attrs = %0d\n", count);
2547 /* NVM CFG ID attributes. Start loop index from 1 to avoid additional
2548 * arithmetic operations in the implementation.
2549 */
2550 for (i = 1; i <= count; i++) {
2551 cfg_id = *((u16 *)*data);
2552 *data += 2;
2553 entity_id = **data;
2554 (*data)++;
2555 len = **data;
2556 (*data)++;
2557 memcpy(buf, *data, len);
2558 *data += len;
2559
2560 flags = 0;
2561 if (need_nvm_init) {
2562 flags |= QED_NVM_CFG_OPTION_INIT;
2563 need_nvm_init = false;
2564 }
2565
2566 /* Commit to flash and free the resources */
2567 if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
2568 flags |= QED_NVM_CFG_OPTION_COMMIT |
2569 QED_NVM_CFG_OPTION_FREE;
2570 need_nvm_init = true;
2571 }
2572
2573 if (entity_id)
2574 flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;
2575
2576 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2577 "cfg_id = %d entity = %d len = %d\n", cfg_id,
2578 entity_id, len);
2579 rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
2580 buf, len);
2581 if (rc) {
2582 DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
2583 break;
2584 }
2585 }
2586
2587 qed_ptt_release(hwfn, ptt);
2588
2589 return rc;
2590}
2591
2592#define QED_MAX_NVM_BUF_LEN 32
2593static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
2594{
2595 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2596 u8 buf[QED_MAX_NVM_BUF_LEN];
2597 struct qed_ptt *ptt;
2598 u32 len;
2599 int rc;
2600
2601 ptt = qed_ptt_acquire(hwfn);
2602 if (!ptt)
2603 return QED_MAX_NVM_BUF_LEN;
2604
2605 rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
2606 &len);
2607 if (rc || !len) {
2608 DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2609 len = QED_MAX_NVM_BUF_LEN;
2610 }
2611
2612 qed_ptt_release(hwfn, ptt);
2613
2614 return len;
2615}
2616
2617static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
2618 u32 cmd, u32 entity_id)
2619{
2620 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2621 struct qed_ptt *ptt;
2622 u32 flags, len;
2623 int rc = 0;
2624
2625 ptt = qed_ptt_acquire(hwfn);
2626 if (!ptt)
2627 return -EAGAIN;
2628
2629 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2630 "Read config cmd = %d entity id %d\n", cmd, entity_id);
2631 flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
2632 rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
2633 if (rc)
2634 DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2635
2636 qed_ptt_release(hwfn, ptt);
2637
2638 return rc;
2639}
2640
2641static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2642{
2643 const struct firmware *image;
2644 const u8 *data, *data_end;
2645 u32 cmd_type;
2646 int rc;
2647
2648 rc = request_firmware(&image, name, &cdev->pdev->dev);
2649 if (rc) {
2650 DP_ERR(cdev, "Failed to find '%s'\n", name);
2651 return rc;
2652 }
2653
2654 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2655 "Flashing '%s' - firmware's data at %p, size is %08x\n",
2656 name, image->data, (u32)image->size);
2657 data = image->data;
2658 data_end = data + image->size;
2659
2660 rc = qed_nvm_flash_image_validate(cdev, image, &data);
2661 if (rc)
2662 goto exit;
2663
2664 while (data < data_end) {
2665 bool check_resp = false;
2666
2667 /* Parse the actual command */
2668 cmd_type = *((u32 *)data);
2669 switch (cmd_type) {
2670 case QED_NVM_FLASH_CMD_FILE_DATA:
2671 rc = qed_nvm_flash_image_file_data(cdev, &data,
2672 &check_resp);
2673 break;
2674 case QED_NVM_FLASH_CMD_FILE_START:
2675 rc = qed_nvm_flash_image_file_start(cdev, &data,
2676 &check_resp);
2677 break;
2678 case QED_NVM_FLASH_CMD_NVM_CHANGE:
2679 rc = qed_nvm_flash_image_access(cdev, &data,
2680 &check_resp);
2681 break;
2682 case QED_NVM_FLASH_CMD_NVM_CFG_ID:
2683 rc = qed_nvm_flash_cfg_write(cdev, &data);
2684 break;
2685 default:
2686 DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2687 rc = -EINVAL;
2688 goto exit;
2689 }
2690
2691 if (rc) {
2692 DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2693 goto exit;
2694 }
2695
2696 /* Check response if needed */
2697 if (check_resp) {
2698 u32 mcp_response = 0;
2699
2700 if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2701 DP_ERR(cdev, "Failed getting MCP response\n");
2702 rc = -EINVAL;
2703 goto exit;
2704 }
2705
2706 switch (mcp_response & FW_MSG_CODE_MASK) {
2707 case FW_MSG_CODE_OK:
2708 case FW_MSG_CODE_NVM_OK:
2709 case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2710 case FW_MSG_CODE_PHY_OK:
2711 break;
2712 default:
2713 DP_ERR(cdev, "MFW returns error: %08x\n",
2714 mcp_response);
2715 rc = -EINVAL;
2716 goto exit;
2717 }
2718 }
2719 }
2720
2721exit:
2722 release_firmware(image);
2723
2724 return rc;
2725}
2726
2727static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2728 u8 *buf, u16 len)
2729{
2730 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2731
2732 return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2733}
2734
2735void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2736{
2737 struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2738 void *cookie = p_hwfn->cdev->ops_cookie;
2739
2740 if (ops && ops->schedule_recovery_handler)
2741 ops->schedule_recovery_handler(cookie);
2742}
2743
2744static const char * const qed_hw_err_type_descr[] = {
2745 [QED_HW_ERR_FAN_FAIL] = "Fan Failure",
2746 [QED_HW_ERR_MFW_RESP_FAIL] = "MFW Response Failure",
2747 [QED_HW_ERR_HW_ATTN] = "HW Attention",
2748 [QED_HW_ERR_DMAE_FAIL] = "DMAE Failure",
2749 [QED_HW_ERR_RAMROD_FAIL] = "Ramrod Failure",
2750 [QED_HW_ERR_FW_ASSERT] = "FW Assertion",
2751 [QED_HW_ERR_LAST] = "Unknown",
2752};
2753
2754void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
2755 enum qed_hw_err_type err_type)
2756{
2757 struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2758 void *cookie = p_hwfn->cdev->ops_cookie;
2759 const char *err_str;
2760
2761 if (err_type > QED_HW_ERR_LAST)
2762 err_type = QED_HW_ERR_LAST;
2763 err_str = qed_hw_err_type_descr[err_type];
2764
2765 DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);
2766
2767 /* Call the HW error handler of the protocol driver.
2768 * If it is not available - perform a minimal handling of preventing
2769 * HW attentions from being reasserted.
2770 */
2771 if (ops && ops->schedule_hw_err_handler)
2772 ops->schedule_hw_err_handler(cookie, err_type);
2773 else
2774 qed_int_attn_clr_enable(p_hwfn->cdev, true);
2775}
2776
2777static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2778 void *handle)
2779{
2780 return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2781}
2782
2783static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2784{
2785 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2786 struct qed_ptt *ptt;
2787 int status = 0;
2788
2789 ptt = qed_ptt_acquire(hwfn);
2790 if (!ptt)
2791 return -EAGAIN;
2792
2793 status = qed_mcp_set_led(hwfn, ptt, mode);
2794
2795 qed_ptt_release(hwfn, ptt);
2796
2797 return status;
2798}
2799
2800int qed_recovery_process(struct qed_dev *cdev)
2801{
2802 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2803 struct qed_ptt *p_ptt;
2804 int rc = 0;
2805
2806 p_ptt = qed_ptt_acquire(p_hwfn);
2807 if (!p_ptt)
2808 return -EAGAIN;
2809
2810 rc = qed_start_recovery_process(p_hwfn, p_ptt);
2811
2812 qed_ptt_release(p_hwfn, p_ptt);
2813
2814 return rc;
2815}
2816
2817static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2818{
2819 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2820 struct qed_ptt *ptt;
2821 int rc = 0;
2822
2823 if (IS_VF(cdev))
2824 return 0;
2825
2826 ptt = qed_ptt_acquire(hwfn);
2827 if (!ptt)
2828 return -EAGAIN;
2829
2830 rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2831 : QED_OV_WOL_DISABLED);
2832 if (rc)
2833 goto out;
2834 rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2835
2836out:
2837 qed_ptt_release(hwfn, ptt);
2838 return rc;
2839}
2840
2841static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2842{
2843 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2844 struct qed_ptt *ptt;
2845 int status = 0;
2846
2847 if (IS_VF(cdev))
2848 return 0;
2849
2850 ptt = qed_ptt_acquire(hwfn);
2851 if (!ptt)
2852 return -EAGAIN;
2853
2854 status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2855 QED_OV_DRIVER_STATE_ACTIVE :
2856 QED_OV_DRIVER_STATE_DISABLED);
2857
2858 qed_ptt_release(hwfn, ptt);
2859
2860 return status;
2861}
2862
2863static int qed_update_mac(struct qed_dev *cdev, const u8 *mac)
2864{
2865 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2866 struct qed_ptt *ptt;
2867 int status = 0;
2868
2869 if (IS_VF(cdev))
2870 return 0;
2871
2872 ptt = qed_ptt_acquire(hwfn);
2873 if (!ptt)
2874 return -EAGAIN;
2875
2876 status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2877 if (status)
2878 goto out;
2879
2880 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2881
2882out:
2883 qed_ptt_release(hwfn, ptt);
2884 return status;
2885}
2886
2887static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2888{
2889 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2890 struct qed_ptt *ptt;
2891 int status = 0;
2892
2893 if (IS_VF(cdev))
2894 return 0;
2895
2896 ptt = qed_ptt_acquire(hwfn);
2897 if (!ptt)
2898 return -EAGAIN;
2899
2900 status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2901 if (status)
2902 goto out;
2903
2904 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2905
2906out:
2907 qed_ptt_release(hwfn, ptt);
2908 return status;
2909}
2910
2911static int
2912qed_get_sb_info(struct qed_dev *cdev, struct qed_sb_info *sb,
2913 u16 qid, struct qed_sb_info_dbg *sb_dbg)
2914{
2915 struct qed_hwfn *hwfn = &cdev->hwfns[qid % cdev->num_hwfns];
2916 struct qed_ptt *ptt;
2917 int rc;
2918
2919 if (IS_VF(cdev))
2920 return -EINVAL;
2921
2922 ptt = qed_ptt_acquire(hwfn);
2923 if (!ptt) {
2924 DP_NOTICE(hwfn, "Can't acquire PTT\n");
2925 return -EAGAIN;
2926 }
2927
2928 memset(sb_dbg, 0, sizeof(*sb_dbg));
2929 rc = qed_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
2930
2931 qed_ptt_release(hwfn, ptt);
2932 return rc;
2933}
2934
2935static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2936 u8 dev_addr, u32 offset, u32 len)
2937{
2938 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2939 struct qed_ptt *ptt;
2940 int rc = 0;
2941
2942 if (IS_VF(cdev))
2943 return 0;
2944
2945 ptt = qed_ptt_acquire(hwfn);
2946 if (!ptt)
2947 return -EAGAIN;
2948
2949 rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2950 offset, len, buf);
2951
2952 qed_ptt_release(hwfn, ptt);
2953
2954 return rc;
2955}
2956
2957static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
2958{
2959 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2960 struct qed_ptt *ptt;
2961 int rc = 0;
2962
2963 if (IS_VF(cdev))
2964 return 0;
2965
2966 ptt = qed_ptt_acquire(hwfn);
2967 if (!ptt)
2968 return -EAGAIN;
2969
2970 rc = qed_dbg_grc_config(hwfn, cfg_id, val);
2971
2972 qed_ptt_release(hwfn, ptt);
2973
2974 return rc;
2975}
2976
2977static __printf(2, 3) void qed_mfw_report(struct qed_dev *cdev, char *fmt, ...)
2978{
2979 char buf[QED_MFW_REPORT_STR_SIZE];
2980 struct qed_hwfn *p_hwfn;
2981 struct qed_ptt *p_ptt;
2982 va_list vl;
2983
2984 va_start(vl, fmt);
2985 vsnprintf(buf, QED_MFW_REPORT_STR_SIZE, fmt, vl);
2986 va_end(vl);
2987
2988 if (IS_PF(cdev)) {
2989 p_hwfn = QED_LEADING_HWFN(cdev);
2990 p_ptt = qed_ptt_acquire(p_hwfn);
2991 if (p_ptt) {
2992 qed_mcp_send_raw_debug_data(p_hwfn, p_ptt, buf, strlen(buf));
2993 qed_ptt_release(p_hwfn, p_ptt);
2994 }
2995 }
2996}
2997
2998static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2999{
3000 return QED_AFFIN_HWFN_IDX(cdev);
3001}
3002
3003static int qed_get_esl_status(struct qed_dev *cdev, bool *esl_active)
3004{
3005 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3006 struct qed_ptt *ptt;
3007 int rc = 0;
3008
3009 *esl_active = false;
3010
3011 if (IS_VF(cdev))
3012 return 0;
3013
3014 ptt = qed_ptt_acquire(hwfn);
3015 if (!ptt)
3016 return -EAGAIN;
3017
3018 rc = qed_mcp_get_esl_status(hwfn, ptt, esl_active);
3019
3020 qed_ptt_release(hwfn, ptt);
3021
3022 return rc;
3023}
3024
3025static struct qed_selftest_ops qed_selftest_ops_pass = {
3026 .selftest_memory = &qed_selftest_memory,
3027 .selftest_interrupt = &qed_selftest_interrupt,
3028 .selftest_register = &qed_selftest_register,
3029 .selftest_clock = &qed_selftest_clock,
3030 .selftest_nvram = &qed_selftest_nvram,
3031};
3032
3033const struct qed_common_ops qed_common_ops_pass = {
3034 .selftest = &qed_selftest_ops_pass,
3035 .probe = &qed_probe,
3036 .remove = &qed_remove,
3037 .set_power_state = &qed_set_power_state,
3038 .set_name = &qed_set_name,
3039 .update_pf_params = &qed_update_pf_params,
3040 .slowpath_start = &qed_slowpath_start,
3041 .slowpath_stop = &qed_slowpath_stop,
3042 .set_fp_int = &qed_set_int_fp,
3043 .get_fp_int = &qed_get_int_fp,
3044 .sb_init = &qed_sb_init,
3045 .sb_release = &qed_sb_release,
3046 .simd_handler_config = &qed_simd_handler_config,
3047 .simd_handler_clean = &qed_simd_handler_clean,
3048 .dbg_grc = &qed_dbg_grc,
3049 .dbg_grc_size = &qed_dbg_grc_size,
3050 .can_link_change = &qed_can_link_change,
3051 .set_link = &qed_set_link,
3052 .get_link = &qed_get_current_link,
3053 .drain = &qed_drain,
3054 .update_msglvl = &qed_init_dp,
3055 .devlink_register = qed_devlink_register,
3056 .devlink_unregister = qed_devlink_unregister,
3057 .report_fatal_error = qed_report_fatal_error,
3058 .dbg_all_data = &qed_dbg_all_data,
3059 .dbg_all_data_size = &qed_dbg_all_data_size,
3060 .chain_alloc = &qed_chain_alloc,
3061 .chain_free = &qed_chain_free,
3062 .nvm_flash = &qed_nvm_flash,
3063 .nvm_get_image = &qed_nvm_get_image,
3064 .set_coalesce = &qed_set_coalesce,
3065 .set_led = &qed_set_led,
3066 .recovery_process = &qed_recovery_process,
3067 .recovery_prolog = &qed_recovery_prolog,
3068 .attn_clr_enable = &qed_int_attn_clr_enable,
3069 .update_drv_state = &qed_update_drv_state,
3070 .update_mac = &qed_update_mac,
3071 .update_mtu = &qed_update_mtu,
3072 .update_wol = &qed_update_wol,
3073 .db_recovery_add = &qed_db_recovery_add,
3074 .db_recovery_del = &qed_db_recovery_del,
3075 .read_module_eeprom = &qed_read_module_eeprom,
3076 .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
3077 .read_nvm_cfg = &qed_nvm_flash_cfg_read,
3078 .read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
3079 .set_grc_config = &qed_set_grc_config,
3080 .mfw_report = &qed_mfw_report,
3081 .get_sb_info = &qed_get_sb_info,
3082 .get_esl_status = &qed_get_esl_status,
3083};
3084
3085void qed_get_protocol_stats(struct qed_dev *cdev,
3086 enum qed_mcp_protocol_type type,
3087 union qed_mcp_protocol_stats *stats)
3088{
3089 struct qed_eth_stats eth_stats;
3090
3091 memset(stats, 0, sizeof(*stats));
3092
3093 switch (type) {
3094 case QED_MCP_LAN_STATS:
3095 qed_get_vport_stats_context(cdev, ð_stats, true);
3096 stats->lan_stats.ucast_rx_pkts =
3097 eth_stats.common.rx_ucast_pkts;
3098 stats->lan_stats.ucast_tx_pkts =
3099 eth_stats.common.tx_ucast_pkts;
3100 stats->lan_stats.fcs_err = -1;
3101 break;
3102 case QED_MCP_FCOE_STATS:
3103 qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats, true);
3104 break;
3105 case QED_MCP_ISCSI_STATS:
3106 qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats, true);
3107 break;
3108 default:
3109 DP_VERBOSE(cdev, QED_MSG_SP,
3110 "Invalid protocol type = %d\n", type);
3111 return;
3112 }
3113}
3114
3115int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
3116{
3117 DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
3118 "Scheduling slowpath task [Flag: %d]\n",
3119 QED_SLOWPATH_MFW_TLV_REQ);
3120 /* Memory barrier for setting atomic bit */
3121 smp_mb__before_atomic();
3122 set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
3123 /* Memory barrier after setting atomic bit */
3124 smp_mb__after_atomic();
3125 queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
3126
3127 return 0;
3128}
3129
3130static void
3131qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
3132{
3133 struct qed_common_cb_ops *op = cdev->protocol_ops.common;
3134 struct qed_eth_stats_common *p_common;
3135 struct qed_generic_tlvs gen_tlvs;
3136 struct qed_eth_stats stats;
3137 int i;
3138
3139 memset(&gen_tlvs, 0, sizeof(gen_tlvs));
3140 op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
3141
3142 if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
3143 tlv->flags.ipv4_csum_offload = true;
3144 if (gen_tlvs.feat_flags & QED_TLV_LSO)
3145 tlv->flags.lso_supported = true;
3146 tlv->flags.b_set = true;
3147
3148 for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
3149 if (is_valid_ether_addr(gen_tlvs.mac[i])) {
3150 ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
3151 tlv->mac_set[i] = true;
3152 }
3153 }
3154
3155 qed_get_vport_stats(cdev, &stats);
3156 p_common = &stats.common;
3157 tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
3158 p_common->rx_bcast_pkts;
3159 tlv->rx_frames_set = true;
3160 tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
3161 p_common->rx_bcast_bytes;
3162 tlv->rx_bytes_set = true;
3163 tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
3164 p_common->tx_bcast_pkts;
3165 tlv->tx_frames_set = true;
3166 tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
3167 p_common->tx_bcast_bytes;
3168 tlv->rx_bytes_set = true;
3169}
3170
3171int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
3172 union qed_mfw_tlv_data *tlv_buf)
3173{
3174 struct qed_dev *cdev = hwfn->cdev;
3175 struct qed_common_cb_ops *ops;
3176
3177 ops = cdev->protocol_ops.common;
3178 if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
3179 DP_NOTICE(hwfn, "Can't collect TLV management info\n");
3180 return -EINVAL;
3181 }
3182
3183 switch (type) {
3184 case QED_MFW_TLV_GENERIC:
3185 qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
3186 break;
3187 case QED_MFW_TLV_ETH:
3188 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
3189 break;
3190 case QED_MFW_TLV_FCOE:
3191 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
3192 break;
3193 case QED_MFW_TLV_ISCSI:
3194 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
3195 break;
3196 default:
3197 break;
3198 }
3199
3200 return 0;
3201}
3202
3203unsigned long qed_get_epoch_time(void)
3204{
3205 return ktime_get_real_seconds();
3206}
1/* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#include <linux/stddef.h>
34#include <linux/pci.h>
35#include <linux/kernel.h>
36#include <linux/slab.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/dma-mapping.h>
40#include <linux/string.h>
41#include <linux/module.h>
42#include <linux/interrupt.h>
43#include <linux/workqueue.h>
44#include <linux/ethtool.h>
45#include <linux/etherdevice.h>
46#include <linux/vmalloc.h>
47#include <linux/crash_dump.h>
48#include <linux/crc32.h>
49#include <linux/qed/qed_if.h>
50#include <linux/qed/qed_ll2_if.h>
51#include <net/devlink.h>
52
53#include "qed.h"
54#include "qed_sriov.h"
55#include "qed_sp.h"
56#include "qed_dev_api.h"
57#include "qed_ll2.h"
58#include "qed_fcoe.h"
59#include "qed_iscsi.h"
60
61#include "qed_mcp.h"
62#include "qed_reg_addr.h"
63#include "qed_hw.h"
64#include "qed_selftest.h"
65#include "qed_debug.h"
66
67#define QED_ROCE_QPS (8192)
68#define QED_ROCE_DPIS (8)
69#define QED_RDMA_SRQS QED_ROCE_QPS
70#define QED_NVM_CFG_GET_FLAGS 0xA
71#define QED_NVM_CFG_GET_PF_FLAGS 0x1A
72#define QED_NVM_CFG_MAX_ATTRS 50
73
74static char version[] =
75 "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
76
77MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
78MODULE_LICENSE("GPL");
79MODULE_VERSION(DRV_MODULE_VERSION);
80
81#define FW_FILE_VERSION \
82 __stringify(FW_MAJOR_VERSION) "." \
83 __stringify(FW_MINOR_VERSION) "." \
84 __stringify(FW_REVISION_VERSION) "." \
85 __stringify(FW_ENGINEERING_VERSION)
86
87#define QED_FW_FILE_NAME \
88 "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
89
90MODULE_FIRMWARE(QED_FW_FILE_NAME);
91
92static int __init qed_init(void)
93{
94 pr_info("%s", version);
95
96 return 0;
97}
98
99static void __exit qed_cleanup(void)
100{
101 pr_notice("qed_cleanup called\n");
102}
103
104module_init(qed_init);
105module_exit(qed_cleanup);
106
107/* Check if the DMA controller on the machine can properly handle the DMA
108 * addressing required by the device.
109*/
110static int qed_set_coherency_mask(struct qed_dev *cdev)
111{
112 struct device *dev = &cdev->pdev->dev;
113
114 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
115 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
116 DP_NOTICE(cdev,
117 "Can't request 64-bit consistent allocations\n");
118 return -EIO;
119 }
120 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
121 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
122 return -EIO;
123 }
124
125 return 0;
126}
127
128static void qed_free_pci(struct qed_dev *cdev)
129{
130 struct pci_dev *pdev = cdev->pdev;
131
132 if (cdev->doorbells && cdev->db_size)
133 iounmap(cdev->doorbells);
134 if (cdev->regview)
135 iounmap(cdev->regview);
136 if (atomic_read(&pdev->enable_cnt) == 1)
137 pci_release_regions(pdev);
138
139 pci_disable_device(pdev);
140}
141
142#define PCI_REVISION_ID_ERROR_VAL 0xff
143
144/* Performs PCI initializations as well as initializing PCI-related parameters
145 * in the device structrue. Returns 0 in case of success.
146 */
147static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
148{
149 u8 rev_id;
150 int rc;
151
152 cdev->pdev = pdev;
153
154 rc = pci_enable_device(pdev);
155 if (rc) {
156 DP_NOTICE(cdev, "Cannot enable PCI device\n");
157 goto err0;
158 }
159
160 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
161 DP_NOTICE(cdev, "No memory region found in bar #0\n");
162 rc = -EIO;
163 goto err1;
164 }
165
166 if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
167 DP_NOTICE(cdev, "No memory region found in bar #2\n");
168 rc = -EIO;
169 goto err1;
170 }
171
172 if (atomic_read(&pdev->enable_cnt) == 1) {
173 rc = pci_request_regions(pdev, "qed");
174 if (rc) {
175 DP_NOTICE(cdev,
176 "Failed to request PCI memory resources\n");
177 goto err1;
178 }
179 pci_set_master(pdev);
180 pci_save_state(pdev);
181 }
182
183 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
184 if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
185 DP_NOTICE(cdev,
186 "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
187 rev_id);
188 rc = -ENODEV;
189 goto err2;
190 }
191 if (!pci_is_pcie(pdev)) {
192 DP_NOTICE(cdev, "The bus is not PCI Express\n");
193 rc = -EIO;
194 goto err2;
195 }
196
197 cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
198 if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
199 DP_NOTICE(cdev, "Cannot find power management capability\n");
200
201 rc = qed_set_coherency_mask(cdev);
202 if (rc)
203 goto err2;
204
205 cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
206 cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
207 cdev->pci_params.irq = pdev->irq;
208
209 cdev->regview = pci_ioremap_bar(pdev, 0);
210 if (!cdev->regview) {
211 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
212 rc = -ENOMEM;
213 goto err2;
214 }
215
216 cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
217 cdev->db_size = pci_resource_len(cdev->pdev, 2);
218 if (!cdev->db_size) {
219 if (IS_PF(cdev)) {
220 DP_NOTICE(cdev, "No Doorbell bar available\n");
221 return -EINVAL;
222 } else {
223 return 0;
224 }
225 }
226
227 cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
228
229 if (!cdev->doorbells) {
230 DP_NOTICE(cdev, "Cannot map doorbell space\n");
231 return -ENOMEM;
232 }
233
234 return 0;
235
236err2:
237 pci_release_regions(pdev);
238err1:
239 pci_disable_device(pdev);
240err0:
241 return rc;
242}
243
244int qed_fill_dev_info(struct qed_dev *cdev,
245 struct qed_dev_info *dev_info)
246{
247 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
248 struct qed_hw_info *hw_info = &p_hwfn->hw_info;
249 struct qed_tunnel_info *tun = &cdev->tunnel;
250 struct qed_ptt *ptt;
251
252 memset(dev_info, 0, sizeof(struct qed_dev_info));
253
254 if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
255 tun->vxlan.b_mode_enabled)
256 dev_info->vxlan_enable = true;
257
258 if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
259 tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
260 tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
261 dev_info->gre_enable = true;
262
263 if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
264 tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
265 tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
266 dev_info->geneve_enable = true;
267
268 dev_info->num_hwfns = cdev->num_hwfns;
269 dev_info->pci_mem_start = cdev->pci_params.mem_start;
270 dev_info->pci_mem_end = cdev->pci_params.mem_end;
271 dev_info->pci_irq = cdev->pci_params.irq;
272 dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
273 dev_info->dev_type = cdev->type;
274 ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
275
276 if (IS_PF(cdev)) {
277 dev_info->fw_major = FW_MAJOR_VERSION;
278 dev_info->fw_minor = FW_MINOR_VERSION;
279 dev_info->fw_rev = FW_REVISION_VERSION;
280 dev_info->fw_eng = FW_ENGINEERING_VERSION;
281 dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
282 &cdev->mf_bits);
283 dev_info->tx_switching = true;
284
285 if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
286 dev_info->wol_support = true;
287
288 dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
289
290 dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
291 } else {
292 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
293 &dev_info->fw_minor, &dev_info->fw_rev,
294 &dev_info->fw_eng);
295 }
296
297 if (IS_PF(cdev)) {
298 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
299 if (ptt) {
300 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
301 &dev_info->mfw_rev, NULL);
302
303 qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
304 &dev_info->mbi_version);
305
306 qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
307 &dev_info->flash_size);
308
309 qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
310 }
311 } else {
312 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
313 &dev_info->mfw_rev, NULL);
314 }
315
316 dev_info->mtu = hw_info->mtu;
317
318 return 0;
319}
320
321static void qed_free_cdev(struct qed_dev *cdev)
322{
323 kfree((void *)cdev);
324}
325
326static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
327{
328 struct qed_dev *cdev;
329
330 cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
331 if (!cdev)
332 return cdev;
333
334 qed_init_struct(cdev);
335
336 return cdev;
337}
338
339/* Sets the requested power state */
340static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
341{
342 if (!cdev)
343 return -ENODEV;
344
345 DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
346 return 0;
347}
348
349struct qed_devlink {
350 struct qed_dev *cdev;
351};
352
353enum qed_devlink_param_id {
354 QED_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
355 QED_DEVLINK_PARAM_ID_IWARP_CMT,
356};
357
358static int qed_dl_param_get(struct devlink *dl, u32 id,
359 struct devlink_param_gset_ctx *ctx)
360{
361 struct qed_devlink *qed_dl;
362 struct qed_dev *cdev;
363
364 qed_dl = devlink_priv(dl);
365 cdev = qed_dl->cdev;
366 ctx->val.vbool = cdev->iwarp_cmt;
367
368 return 0;
369}
370
371static int qed_dl_param_set(struct devlink *dl, u32 id,
372 struct devlink_param_gset_ctx *ctx)
373{
374 struct qed_devlink *qed_dl;
375 struct qed_dev *cdev;
376
377 qed_dl = devlink_priv(dl);
378 cdev = qed_dl->cdev;
379 cdev->iwarp_cmt = ctx->val.vbool;
380
381 return 0;
382}
383
384static const struct devlink_param qed_devlink_params[] = {
385 DEVLINK_PARAM_DRIVER(QED_DEVLINK_PARAM_ID_IWARP_CMT,
386 "iwarp_cmt", DEVLINK_PARAM_TYPE_BOOL,
387 BIT(DEVLINK_PARAM_CMODE_RUNTIME),
388 qed_dl_param_get, qed_dl_param_set, NULL),
389};
390
391static const struct devlink_ops qed_dl_ops;
392
393static int qed_devlink_register(struct qed_dev *cdev)
394{
395 union devlink_param_value value;
396 struct qed_devlink *qed_dl;
397 struct devlink *dl;
398 int rc;
399
400 dl = devlink_alloc(&qed_dl_ops, sizeof(*qed_dl));
401 if (!dl)
402 return -ENOMEM;
403
404 qed_dl = devlink_priv(dl);
405
406 cdev->dl = dl;
407 qed_dl->cdev = cdev;
408
409 rc = devlink_register(dl, &cdev->pdev->dev);
410 if (rc)
411 goto err_free;
412
413 rc = devlink_params_register(dl, qed_devlink_params,
414 ARRAY_SIZE(qed_devlink_params));
415 if (rc)
416 goto err_unregister;
417
418 value.vbool = false;
419 devlink_param_driverinit_value_set(dl,
420 QED_DEVLINK_PARAM_ID_IWARP_CMT,
421 value);
422
423 devlink_params_publish(dl);
424 cdev->iwarp_cmt = false;
425
426 return 0;
427
428err_unregister:
429 devlink_unregister(dl);
430
431err_free:
432 cdev->dl = NULL;
433 devlink_free(dl);
434
435 return rc;
436}
437
438static void qed_devlink_unregister(struct qed_dev *cdev)
439{
440 if (!cdev->dl)
441 return;
442
443 devlink_params_unregister(cdev->dl, qed_devlink_params,
444 ARRAY_SIZE(qed_devlink_params));
445
446 devlink_unregister(cdev->dl);
447 devlink_free(cdev->dl);
448}
449
450/* probing */
451static struct qed_dev *qed_probe(struct pci_dev *pdev,
452 struct qed_probe_params *params)
453{
454 struct qed_dev *cdev;
455 int rc;
456
457 cdev = qed_alloc_cdev(pdev);
458 if (!cdev)
459 goto err0;
460
461 cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
462 cdev->protocol = params->protocol;
463
464 if (params->is_vf)
465 cdev->b_is_vf = true;
466
467 qed_init_dp(cdev, params->dp_module, params->dp_level);
468
469 cdev->recov_in_prog = params->recov_in_prog;
470
471 rc = qed_init_pci(cdev, pdev);
472 if (rc) {
473 DP_ERR(cdev, "init pci failed\n");
474 goto err1;
475 }
476 DP_INFO(cdev, "PCI init completed successfully\n");
477
478 rc = qed_devlink_register(cdev);
479 if (rc) {
480 DP_INFO(cdev, "Failed to register devlink.\n");
481 goto err2;
482 }
483
484 rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
485 if (rc) {
486 DP_ERR(cdev, "hw prepare failed\n");
487 goto err2;
488 }
489
490 DP_INFO(cdev, "qed_probe completed successfully\n");
491
492 return cdev;
493
494err2:
495 qed_free_pci(cdev);
496err1:
497 qed_free_cdev(cdev);
498err0:
499 return NULL;
500}
501
502static void qed_remove(struct qed_dev *cdev)
503{
504 if (!cdev)
505 return;
506
507 qed_hw_remove(cdev);
508
509 qed_free_pci(cdev);
510
511 qed_set_power_state(cdev, PCI_D3hot);
512
513 qed_devlink_unregister(cdev);
514
515 qed_free_cdev(cdev);
516}
517
518static void qed_disable_msix(struct qed_dev *cdev)
519{
520 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
521 pci_disable_msix(cdev->pdev);
522 kfree(cdev->int_params.msix_table);
523 } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
524 pci_disable_msi(cdev->pdev);
525 }
526
527 memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
528}
529
530static int qed_enable_msix(struct qed_dev *cdev,
531 struct qed_int_params *int_params)
532{
533 int i, rc, cnt;
534
535 cnt = int_params->in.num_vectors;
536
537 for (i = 0; i < cnt; i++)
538 int_params->msix_table[i].entry = i;
539
540 rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
541 int_params->in.min_msix_cnt, cnt);
542 if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
543 (rc % cdev->num_hwfns)) {
544 pci_disable_msix(cdev->pdev);
545
546 /* If fastpath is initialized, we need at least one interrupt
547 * per hwfn [and the slow path interrupts]. New requested number
548 * should be a multiple of the number of hwfns.
549 */
550 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
551 DP_NOTICE(cdev,
552 "Trying to enable MSI-X with less vectors (%d out of %d)\n",
553 cnt, int_params->in.num_vectors);
554 rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
555 cnt);
556 if (!rc)
557 rc = cnt;
558 }
559
560 if (rc > 0) {
561 /* MSI-x configuration was achieved */
562 int_params->out.int_mode = QED_INT_MODE_MSIX;
563 int_params->out.num_vectors = rc;
564 rc = 0;
565 } else {
566 DP_NOTICE(cdev,
567 "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
568 cnt, rc);
569 }
570
571 return rc;
572}
573
574/* This function outputs the int mode and the number of enabled msix vector */
575static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
576{
577 struct qed_int_params *int_params = &cdev->int_params;
578 struct msix_entry *tbl;
579 int rc = 0, cnt;
580
581 switch (int_params->in.int_mode) {
582 case QED_INT_MODE_MSIX:
583 /* Allocate MSIX table */
584 cnt = int_params->in.num_vectors;
585 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
586 if (!int_params->msix_table) {
587 rc = -ENOMEM;
588 goto out;
589 }
590
591 /* Enable MSIX */
592 rc = qed_enable_msix(cdev, int_params);
593 if (!rc)
594 goto out;
595
596 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
597 kfree(int_params->msix_table);
598 if (force_mode)
599 goto out;
600 /* Fallthrough */
601
602 case QED_INT_MODE_MSI:
603 if (cdev->num_hwfns == 1) {
604 rc = pci_enable_msi(cdev->pdev);
605 if (!rc) {
606 int_params->out.int_mode = QED_INT_MODE_MSI;
607 goto out;
608 }
609
610 DP_NOTICE(cdev, "Failed to enable MSI\n");
611 if (force_mode)
612 goto out;
613 }
614 /* Fallthrough */
615
616 case QED_INT_MODE_INTA:
617 int_params->out.int_mode = QED_INT_MODE_INTA;
618 rc = 0;
619 goto out;
620 default:
621 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
622 int_params->in.int_mode);
623 rc = -EINVAL;
624 }
625
626out:
627 if (!rc)
628 DP_INFO(cdev, "Using %s interrupts\n",
629 int_params->out.int_mode == QED_INT_MODE_INTA ?
630 "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
631 "MSI" : "MSIX");
632 cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
633
634 return rc;
635}
636
637static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
638 int index, void(*handler)(void *))
639{
640 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
641 int relative_idx = index / cdev->num_hwfns;
642
643 hwfn->simd_proto_handler[relative_idx].func = handler;
644 hwfn->simd_proto_handler[relative_idx].token = token;
645}
646
647static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
648{
649 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
650 int relative_idx = index / cdev->num_hwfns;
651
652 memset(&hwfn->simd_proto_handler[relative_idx], 0,
653 sizeof(struct qed_simd_fp_handler));
654}
655
656static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
657{
658 tasklet_schedule((struct tasklet_struct *)tasklet);
659 return IRQ_HANDLED;
660}
661
662static irqreturn_t qed_single_int(int irq, void *dev_instance)
663{
664 struct qed_dev *cdev = (struct qed_dev *)dev_instance;
665 struct qed_hwfn *hwfn;
666 irqreturn_t rc = IRQ_NONE;
667 u64 status;
668 int i, j;
669
670 for (i = 0; i < cdev->num_hwfns; i++) {
671 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
672
673 if (!status)
674 continue;
675
676 hwfn = &cdev->hwfns[i];
677
678 /* Slowpath interrupt */
679 if (unlikely(status & 0x1)) {
680 tasklet_schedule(hwfn->sp_dpc);
681 status &= ~0x1;
682 rc = IRQ_HANDLED;
683 }
684
685 /* Fastpath interrupts */
686 for (j = 0; j < 64; j++) {
687 if ((0x2ULL << j) & status) {
688 struct qed_simd_fp_handler *p_handler =
689 &hwfn->simd_proto_handler[j];
690
691 if (p_handler->func)
692 p_handler->func(p_handler->token);
693 else
694 DP_NOTICE(hwfn,
695 "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
696 j, status);
697
698 status &= ~(0x2ULL << j);
699 rc = IRQ_HANDLED;
700 }
701 }
702
703 if (unlikely(status))
704 DP_VERBOSE(hwfn, NETIF_MSG_INTR,
705 "got an unknown interrupt status 0x%llx\n",
706 status);
707 }
708
709 return rc;
710}
711
712int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
713{
714 struct qed_dev *cdev = hwfn->cdev;
715 u32 int_mode;
716 int rc = 0;
717 u8 id;
718
719 int_mode = cdev->int_params.out.int_mode;
720 if (int_mode == QED_INT_MODE_MSIX) {
721 id = hwfn->my_id;
722 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
723 id, cdev->pdev->bus->number,
724 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
725 rc = request_irq(cdev->int_params.msix_table[id].vector,
726 qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
727 } else {
728 unsigned long flags = 0;
729
730 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
731 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
732 PCI_FUNC(cdev->pdev->devfn));
733
734 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
735 flags |= IRQF_SHARED;
736
737 rc = request_irq(cdev->pdev->irq, qed_single_int,
738 flags, cdev->name, cdev);
739 }
740
741 if (rc)
742 DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
743 else
744 DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
745 "Requested slowpath %s\n",
746 (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
747
748 return rc;
749}
750
751static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
752{
753 /* Calling the disable function will make sure that any
754 * currently-running function is completed. The following call to the
755 * enable function makes this sequence a flush-like operation.
756 */
757 if (p_hwfn->b_sp_dpc_enabled) {
758 tasklet_disable(p_hwfn->sp_dpc);
759 tasklet_enable(p_hwfn->sp_dpc);
760 }
761}
762
763void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
764{
765 struct qed_dev *cdev = p_hwfn->cdev;
766 u8 id = p_hwfn->my_id;
767 u32 int_mode;
768
769 int_mode = cdev->int_params.out.int_mode;
770 if (int_mode == QED_INT_MODE_MSIX)
771 synchronize_irq(cdev->int_params.msix_table[id].vector);
772 else
773 synchronize_irq(cdev->pdev->irq);
774
775 qed_slowpath_tasklet_flush(p_hwfn);
776}
777
778static void qed_slowpath_irq_free(struct qed_dev *cdev)
779{
780 int i;
781
782 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
783 for_each_hwfn(cdev, i) {
784 if (!cdev->hwfns[i].b_int_requested)
785 break;
786 synchronize_irq(cdev->int_params.msix_table[i].vector);
787 free_irq(cdev->int_params.msix_table[i].vector,
788 cdev->hwfns[i].sp_dpc);
789 }
790 } else {
791 if (QED_LEADING_HWFN(cdev)->b_int_requested)
792 free_irq(cdev->pdev->irq, cdev);
793 }
794 qed_int_disable_post_isr_release(cdev);
795}
796
797static int qed_nic_stop(struct qed_dev *cdev)
798{
799 int i, rc;
800
801 rc = qed_hw_stop(cdev);
802
803 for (i = 0; i < cdev->num_hwfns; i++) {
804 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
805
806 if (p_hwfn->b_sp_dpc_enabled) {
807 tasklet_disable(p_hwfn->sp_dpc);
808 p_hwfn->b_sp_dpc_enabled = false;
809 DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
810 "Disabled sp tasklet [hwfn %d] at %p\n",
811 i, p_hwfn->sp_dpc);
812 }
813 }
814
815 qed_dbg_pf_exit(cdev);
816
817 return rc;
818}
819
820static int qed_nic_setup(struct qed_dev *cdev)
821{
822 int rc, i;
823
824 /* Determine if interface is going to require LL2 */
825 if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
826 for (i = 0; i < cdev->num_hwfns; i++) {
827 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
828
829 p_hwfn->using_ll2 = true;
830 }
831 }
832
833 rc = qed_resc_alloc(cdev);
834 if (rc)
835 return rc;
836
837 DP_INFO(cdev, "Allocated qed resources\n");
838
839 qed_resc_setup(cdev);
840
841 return rc;
842}
843
844static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
845{
846 int limit = 0;
847
848 /* Mark the fastpath as free/used */
849 cdev->int_params.fp_initialized = cnt ? true : false;
850
851 if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
852 limit = cdev->num_hwfns * 63;
853 else if (cdev->int_params.fp_msix_cnt)
854 limit = cdev->int_params.fp_msix_cnt;
855
856 if (!limit)
857 return -ENOMEM;
858
859 return min_t(int, cnt, limit);
860}
861
862static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
863{
864 memset(info, 0, sizeof(struct qed_int_info));
865
866 if (!cdev->int_params.fp_initialized) {
867 DP_INFO(cdev,
868 "Protocol driver requested interrupt information, but its support is not yet configured\n");
869 return -EINVAL;
870 }
871
872 /* Need to expose only MSI-X information; Single IRQ is handled solely
873 * by qed.
874 */
875 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
876 int msix_base = cdev->int_params.fp_msix_base;
877
878 info->msix_cnt = cdev->int_params.fp_msix_cnt;
879 info->msix = &cdev->int_params.msix_table[msix_base];
880 }
881
882 return 0;
883}
884
885static int qed_slowpath_setup_int(struct qed_dev *cdev,
886 enum qed_int_mode int_mode)
887{
888 struct qed_sb_cnt_info sb_cnt_info;
889 int num_l2_queues = 0;
890 int rc;
891 int i;
892
893 if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
894 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
895 return -EINVAL;
896 }
897
898 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
899 cdev->int_params.in.int_mode = int_mode;
900 for_each_hwfn(cdev, i) {
901 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
902 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
903 cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
904 cdev->int_params.in.num_vectors++; /* slowpath */
905 }
906
907 /* We want a minimum of one slowpath and one fastpath vector per hwfn */
908 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
909
910 if (is_kdump_kernel()) {
911 DP_INFO(cdev,
912 "Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
913 cdev->int_params.in.min_msix_cnt);
914 cdev->int_params.in.num_vectors =
915 cdev->int_params.in.min_msix_cnt;
916 }
917
918 rc = qed_set_int_mode(cdev, false);
919 if (rc) {
920 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
921 return rc;
922 }
923
924 cdev->int_params.fp_msix_base = cdev->num_hwfns;
925 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
926 cdev->num_hwfns;
927
928 if (!IS_ENABLED(CONFIG_QED_RDMA) ||
929 !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
930 return 0;
931
932 for_each_hwfn(cdev, i)
933 num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
934
935 DP_VERBOSE(cdev, QED_MSG_RDMA,
936 "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
937 cdev->int_params.fp_msix_cnt, num_l2_queues);
938
939 if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
940 cdev->int_params.rdma_msix_cnt =
941 (cdev->int_params.fp_msix_cnt - num_l2_queues)
942 / cdev->num_hwfns;
943 cdev->int_params.rdma_msix_base =
944 cdev->int_params.fp_msix_base + num_l2_queues;
945 cdev->int_params.fp_msix_cnt = num_l2_queues;
946 } else {
947 cdev->int_params.rdma_msix_cnt = 0;
948 }
949
950 DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
951 cdev->int_params.rdma_msix_cnt,
952 cdev->int_params.rdma_msix_base);
953
954 return 0;
955}
956
957static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
958{
959 int rc;
960
961 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
962 cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
963
964 qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
965 &cdev->int_params.in.num_vectors);
966 if (cdev->num_hwfns > 1) {
967 u8 vectors = 0;
968
969 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
970 cdev->int_params.in.num_vectors += vectors;
971 }
972
973 /* We want a minimum of one fastpath vector per vf hwfn */
974 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
975
976 rc = qed_set_int_mode(cdev, true);
977 if (rc)
978 return rc;
979
980 cdev->int_params.fp_msix_base = 0;
981 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
982
983 return 0;
984}
985
986u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
987 u8 *input_buf, u32 max_size, u8 *unzip_buf)
988{
989 int rc;
990
991 p_hwfn->stream->next_in = input_buf;
992 p_hwfn->stream->avail_in = input_len;
993 p_hwfn->stream->next_out = unzip_buf;
994 p_hwfn->stream->avail_out = max_size;
995
996 rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
997
998 if (rc != Z_OK) {
999 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
1000 rc);
1001 return 0;
1002 }
1003
1004 rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
1005 zlib_inflateEnd(p_hwfn->stream);
1006
1007 if (rc != Z_OK && rc != Z_STREAM_END) {
1008 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
1009 p_hwfn->stream->msg, rc);
1010 return 0;
1011 }
1012
1013 return p_hwfn->stream->total_out / 4;
1014}
1015
1016static int qed_alloc_stream_mem(struct qed_dev *cdev)
1017{
1018 int i;
1019 void *workspace;
1020
1021 for_each_hwfn(cdev, i) {
1022 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1023
1024 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
1025 if (!p_hwfn->stream)
1026 return -ENOMEM;
1027
1028 workspace = vzalloc(zlib_inflate_workspacesize());
1029 if (!workspace)
1030 return -ENOMEM;
1031 p_hwfn->stream->workspace = workspace;
1032 }
1033
1034 return 0;
1035}
1036
1037static void qed_free_stream_mem(struct qed_dev *cdev)
1038{
1039 int i;
1040
1041 for_each_hwfn(cdev, i) {
1042 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1043
1044 if (!p_hwfn->stream)
1045 return;
1046
1047 vfree(p_hwfn->stream->workspace);
1048 kfree(p_hwfn->stream);
1049 }
1050}
1051
1052static void qed_update_pf_params(struct qed_dev *cdev,
1053 struct qed_pf_params *params)
1054{
1055 int i;
1056
1057 if (IS_ENABLED(CONFIG_QED_RDMA)) {
1058 params->rdma_pf_params.num_qps = QED_ROCE_QPS;
1059 params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
1060 params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
1061 /* divide by 3 the MRs to avoid MF ILT overflow */
1062 params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
1063 }
1064
1065 if (cdev->num_hwfns > 1 || IS_VF(cdev))
1066 params->eth_pf_params.num_arfs_filters = 0;
1067
1068 /* In case we might support RDMA, don't allow qede to be greedy
1069 * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
1070 * per hwfn.
1071 */
1072 if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
1073 u16 *num_cons;
1074
1075 num_cons = ¶ms->eth_pf_params.num_cons;
1076 *num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
1077 }
1078
1079 for (i = 0; i < cdev->num_hwfns; i++) {
1080 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1081
1082 p_hwfn->pf_params = *params;
1083 }
1084}
1085
1086#define QED_PERIODIC_DB_REC_COUNT 10
1087#define QED_PERIODIC_DB_REC_INTERVAL_MS 100
1088#define QED_PERIODIC_DB_REC_INTERVAL \
1089 msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
1090#define QED_PERIODIC_DB_REC_WAIT_COUNT 10
1091#define QED_PERIODIC_DB_REC_WAIT_INTERVAL \
1092 (QED_PERIODIC_DB_REC_INTERVAL_MS / QED_PERIODIC_DB_REC_WAIT_COUNT)
1093
1094static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
1095 enum qed_slowpath_wq_flag wq_flag,
1096 unsigned long delay)
1097{
1098 if (!hwfn->slowpath_wq_active)
1099 return -EINVAL;
1100
1101 /* Memory barrier for setting atomic bit */
1102 smp_mb__before_atomic();
1103 set_bit(wq_flag, &hwfn->slowpath_task_flags);
1104 smp_mb__after_atomic();
1105 queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
1106
1107 return 0;
1108}
1109
1110void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
1111{
1112 /* Reset periodic Doorbell Recovery counter */
1113 p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1114
1115 /* Don't schedule periodic Doorbell Recovery if already scheduled */
1116 if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1117 &p_hwfn->slowpath_task_flags))
1118 return;
1119
1120 qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1121 QED_PERIODIC_DB_REC_INTERVAL);
1122}
1123
1124static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1125{
1126 int i, sleep_count = QED_PERIODIC_DB_REC_WAIT_COUNT;
1127
1128 if (IS_VF(cdev))
1129 return;
1130
1131 for_each_hwfn(cdev, i) {
1132 if (!cdev->hwfns[i].slowpath_wq)
1133 continue;
1134
1135 /* Stop queuing new delayed works */
1136 cdev->hwfns[i].slowpath_wq_active = false;
1137
1138 /* Wait until the last periodic doorbell recovery is executed */
1139 while (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1140 &cdev->hwfns[i].slowpath_task_flags) &&
1141 sleep_count--)
1142 msleep(QED_PERIODIC_DB_REC_WAIT_INTERVAL);
1143
1144 flush_workqueue(cdev->hwfns[i].slowpath_wq);
1145 destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1146 }
1147}
1148
1149static void qed_slowpath_task(struct work_struct *work)
1150{
1151 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1152 slowpath_task.work);
1153 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1154
1155 if (!ptt) {
1156 if (hwfn->slowpath_wq_active)
1157 queue_delayed_work(hwfn->slowpath_wq,
1158 &hwfn->slowpath_task, 0);
1159
1160 return;
1161 }
1162
1163 if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1164 &hwfn->slowpath_task_flags))
1165 qed_mfw_process_tlv_req(hwfn, ptt);
1166
1167 if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1168 &hwfn->slowpath_task_flags)) {
1169 qed_db_rec_handler(hwfn, ptt);
1170 if (hwfn->periodic_db_rec_count--)
1171 qed_slowpath_delayed_work(hwfn,
1172 QED_SLOWPATH_PERIODIC_DB_REC,
1173 QED_PERIODIC_DB_REC_INTERVAL);
1174 }
1175
1176 qed_ptt_release(hwfn, ptt);
1177}
1178
1179static int qed_slowpath_wq_start(struct qed_dev *cdev)
1180{
1181 struct qed_hwfn *hwfn;
1182 char name[NAME_SIZE];
1183 int i;
1184
1185 if (IS_VF(cdev))
1186 return 0;
1187
1188 for_each_hwfn(cdev, i) {
1189 hwfn = &cdev->hwfns[i];
1190
1191 snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1192 cdev->pdev->bus->number,
1193 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1194
1195 hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1196 if (!hwfn->slowpath_wq) {
1197 DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1198 return -ENOMEM;
1199 }
1200
1201 INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1202 hwfn->slowpath_wq_active = true;
1203 }
1204
1205 return 0;
1206}
1207
1208static int qed_slowpath_start(struct qed_dev *cdev,
1209 struct qed_slowpath_params *params)
1210{
1211 struct qed_drv_load_params drv_load_params;
1212 struct qed_hw_init_params hw_init_params;
1213 struct qed_mcp_drv_version drv_version;
1214 struct qed_tunnel_info tunn_info;
1215 const u8 *data = NULL;
1216 struct qed_hwfn *hwfn;
1217 struct qed_ptt *p_ptt;
1218 int rc = -EINVAL;
1219
1220 if (qed_iov_wq_start(cdev))
1221 goto err;
1222
1223 if (qed_slowpath_wq_start(cdev))
1224 goto err;
1225
1226 if (IS_PF(cdev)) {
1227 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1228 &cdev->pdev->dev);
1229 if (rc) {
1230 DP_NOTICE(cdev,
1231 "Failed to find fw file - /lib/firmware/%s\n",
1232 QED_FW_FILE_NAME);
1233 goto err;
1234 }
1235
1236 if (cdev->num_hwfns == 1) {
1237 p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1238 if (p_ptt) {
1239 QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1240 } else {
1241 DP_NOTICE(cdev,
1242 "Failed to acquire PTT for aRFS\n");
1243 goto err;
1244 }
1245 }
1246 }
1247
1248 cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1249 rc = qed_nic_setup(cdev);
1250 if (rc)
1251 goto err;
1252
1253 if (IS_PF(cdev))
1254 rc = qed_slowpath_setup_int(cdev, params->int_mode);
1255 else
1256 rc = qed_slowpath_vf_setup_int(cdev);
1257 if (rc)
1258 goto err1;
1259
1260 if (IS_PF(cdev)) {
1261 /* Allocate stream for unzipping */
1262 rc = qed_alloc_stream_mem(cdev);
1263 if (rc)
1264 goto err2;
1265
1266 /* First Dword used to differentiate between various sources */
1267 data = cdev->firmware->data + sizeof(u32);
1268
1269 qed_dbg_pf_init(cdev);
1270 }
1271
1272 /* Start the slowpath */
1273 memset(&hw_init_params, 0, sizeof(hw_init_params));
1274 memset(&tunn_info, 0, sizeof(tunn_info));
1275 tunn_info.vxlan.b_mode_enabled = true;
1276 tunn_info.l2_gre.b_mode_enabled = true;
1277 tunn_info.ip_gre.b_mode_enabled = true;
1278 tunn_info.l2_geneve.b_mode_enabled = true;
1279 tunn_info.ip_geneve.b_mode_enabled = true;
1280 tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1281 tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1282 tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1283 tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1284 tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1285 hw_init_params.p_tunn = &tunn_info;
1286 hw_init_params.b_hw_start = true;
1287 hw_init_params.int_mode = cdev->int_params.out.int_mode;
1288 hw_init_params.allow_npar_tx_switch = true;
1289 hw_init_params.bin_fw_data = data;
1290
1291 memset(&drv_load_params, 0, sizeof(drv_load_params));
1292 drv_load_params.is_crash_kernel = is_kdump_kernel();
1293 drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1294 drv_load_params.avoid_eng_reset = false;
1295 drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1296 hw_init_params.p_drv_load_params = &drv_load_params;
1297
1298 rc = qed_hw_init(cdev, &hw_init_params);
1299 if (rc)
1300 goto err2;
1301
1302 DP_INFO(cdev,
1303 "HW initialization and function start completed successfully\n");
1304
1305 if (IS_PF(cdev)) {
1306 cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1307 BIT(QED_MODE_L2GENEVE_TUNN) |
1308 BIT(QED_MODE_IPGENEVE_TUNN) |
1309 BIT(QED_MODE_L2GRE_TUNN) |
1310 BIT(QED_MODE_IPGRE_TUNN));
1311 }
1312
1313 /* Allocate LL2 interface if needed */
1314 if (QED_LEADING_HWFN(cdev)->using_ll2) {
1315 rc = qed_ll2_alloc_if(cdev);
1316 if (rc)
1317 goto err3;
1318 }
1319 if (IS_PF(cdev)) {
1320 hwfn = QED_LEADING_HWFN(cdev);
1321 drv_version.version = (params->drv_major << 24) |
1322 (params->drv_minor << 16) |
1323 (params->drv_rev << 8) |
1324 (params->drv_eng);
1325 strlcpy(drv_version.name, params->name,
1326 MCP_DRV_VER_STR_SIZE - 4);
1327 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1328 &drv_version);
1329 if (rc) {
1330 DP_NOTICE(cdev, "Failed sending drv version command\n");
1331 goto err4;
1332 }
1333 }
1334
1335 qed_reset_vport_stats(cdev);
1336
1337 return 0;
1338
1339err4:
1340 qed_ll2_dealloc_if(cdev);
1341err3:
1342 qed_hw_stop(cdev);
1343err2:
1344 qed_hw_timers_stop_all(cdev);
1345 if (IS_PF(cdev))
1346 qed_slowpath_irq_free(cdev);
1347 qed_free_stream_mem(cdev);
1348 qed_disable_msix(cdev);
1349err1:
1350 qed_resc_free(cdev);
1351err:
1352 if (IS_PF(cdev))
1353 release_firmware(cdev->firmware);
1354
1355 if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1356 QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1357 qed_ptt_release(QED_LEADING_HWFN(cdev),
1358 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1359
1360 qed_iov_wq_stop(cdev, false);
1361
1362 qed_slowpath_wq_stop(cdev);
1363
1364 return rc;
1365}
1366
1367static int qed_slowpath_stop(struct qed_dev *cdev)
1368{
1369 if (!cdev)
1370 return -ENODEV;
1371
1372 qed_slowpath_wq_stop(cdev);
1373
1374 qed_ll2_dealloc_if(cdev);
1375
1376 if (IS_PF(cdev)) {
1377 if (cdev->num_hwfns == 1)
1378 qed_ptt_release(QED_LEADING_HWFN(cdev),
1379 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1380 qed_free_stream_mem(cdev);
1381 if (IS_QED_ETH_IF(cdev))
1382 qed_sriov_disable(cdev, true);
1383 }
1384
1385 qed_nic_stop(cdev);
1386
1387 if (IS_PF(cdev))
1388 qed_slowpath_irq_free(cdev);
1389
1390 qed_disable_msix(cdev);
1391
1392 qed_resc_free(cdev);
1393
1394 qed_iov_wq_stop(cdev, true);
1395
1396 if (IS_PF(cdev))
1397 release_firmware(cdev->firmware);
1398
1399 return 0;
1400}
1401
1402static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1403{
1404 int i;
1405
1406 memcpy(cdev->name, name, NAME_SIZE);
1407 for_each_hwfn(cdev, i)
1408 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1409}
1410
1411static u32 qed_sb_init(struct qed_dev *cdev,
1412 struct qed_sb_info *sb_info,
1413 void *sb_virt_addr,
1414 dma_addr_t sb_phy_addr, u16 sb_id,
1415 enum qed_sb_type type)
1416{
1417 struct qed_hwfn *p_hwfn;
1418 struct qed_ptt *p_ptt;
1419 u16 rel_sb_id;
1420 u32 rc;
1421
1422 /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1423 if (type == QED_SB_TYPE_L2_QUEUE) {
1424 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1425 rel_sb_id = sb_id / cdev->num_hwfns;
1426 } else {
1427 p_hwfn = QED_AFFIN_HWFN(cdev);
1428 rel_sb_id = sb_id;
1429 }
1430
1431 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1432 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1433 IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1434
1435 if (IS_PF(p_hwfn->cdev)) {
1436 p_ptt = qed_ptt_acquire(p_hwfn);
1437 if (!p_ptt)
1438 return -EBUSY;
1439
1440 rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1441 sb_phy_addr, rel_sb_id);
1442 qed_ptt_release(p_hwfn, p_ptt);
1443 } else {
1444 rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1445 sb_phy_addr, rel_sb_id);
1446 }
1447
1448 return rc;
1449}
1450
1451static u32 qed_sb_release(struct qed_dev *cdev,
1452 struct qed_sb_info *sb_info,
1453 u16 sb_id,
1454 enum qed_sb_type type)
1455{
1456 struct qed_hwfn *p_hwfn;
1457 u16 rel_sb_id;
1458 u32 rc;
1459
1460 /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1461 if (type == QED_SB_TYPE_L2_QUEUE) {
1462 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1463 rel_sb_id = sb_id / cdev->num_hwfns;
1464 } else {
1465 p_hwfn = QED_AFFIN_HWFN(cdev);
1466 rel_sb_id = sb_id;
1467 }
1468
1469 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1470 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1471 IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1472
1473 rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1474
1475 return rc;
1476}
1477
1478static bool qed_can_link_change(struct qed_dev *cdev)
1479{
1480 return true;
1481}
1482
1483static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1484{
1485 struct qed_hwfn *hwfn;
1486 struct qed_mcp_link_params *link_params;
1487 struct qed_ptt *ptt;
1488 u32 sup_caps;
1489 int rc;
1490
1491 if (!cdev)
1492 return -ENODEV;
1493
1494 /* The link should be set only once per PF */
1495 hwfn = &cdev->hwfns[0];
1496
1497 /* When VF wants to set link, force it to read the bulletin instead.
1498 * This mimics the PF behavior, where a noitification [both immediate
1499 * and possible later] would be generated when changing properties.
1500 */
1501 if (IS_VF(cdev)) {
1502 qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1503 return 0;
1504 }
1505
1506 ptt = qed_ptt_acquire(hwfn);
1507 if (!ptt)
1508 return -EBUSY;
1509
1510 link_params = qed_mcp_get_link_params(hwfn);
1511 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1512 link_params->speed.autoneg = params->autoneg;
1513 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1514 link_params->speed.advertised_speeds = 0;
1515 sup_caps = QED_LM_1000baseT_Full_BIT |
1516 QED_LM_1000baseKX_Full_BIT |
1517 QED_LM_1000baseX_Full_BIT;
1518 if (params->adv_speeds & sup_caps)
1519 link_params->speed.advertised_speeds |=
1520 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1521 sup_caps = QED_LM_10000baseT_Full_BIT |
1522 QED_LM_10000baseKR_Full_BIT |
1523 QED_LM_10000baseKX4_Full_BIT |
1524 QED_LM_10000baseR_FEC_BIT |
1525 QED_LM_10000baseCR_Full_BIT |
1526 QED_LM_10000baseSR_Full_BIT |
1527 QED_LM_10000baseLR_Full_BIT |
1528 QED_LM_10000baseLRM_Full_BIT;
1529 if (params->adv_speeds & sup_caps)
1530 link_params->speed.advertised_speeds |=
1531 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1532 if (params->adv_speeds & QED_LM_20000baseKR2_Full_BIT)
1533 link_params->speed.advertised_speeds |=
1534 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
1535 sup_caps = QED_LM_25000baseKR_Full_BIT |
1536 QED_LM_25000baseCR_Full_BIT |
1537 QED_LM_25000baseSR_Full_BIT;
1538 if (params->adv_speeds & sup_caps)
1539 link_params->speed.advertised_speeds |=
1540 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1541 sup_caps = QED_LM_40000baseLR4_Full_BIT |
1542 QED_LM_40000baseKR4_Full_BIT |
1543 QED_LM_40000baseCR4_Full_BIT |
1544 QED_LM_40000baseSR4_Full_BIT;
1545 if (params->adv_speeds & sup_caps)
1546 link_params->speed.advertised_speeds |=
1547 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1548 sup_caps = QED_LM_50000baseKR2_Full_BIT |
1549 QED_LM_50000baseCR2_Full_BIT |
1550 QED_LM_50000baseSR2_Full_BIT;
1551 if (params->adv_speeds & sup_caps)
1552 link_params->speed.advertised_speeds |=
1553 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1554 sup_caps = QED_LM_100000baseKR4_Full_BIT |
1555 QED_LM_100000baseSR4_Full_BIT |
1556 QED_LM_100000baseCR4_Full_BIT |
1557 QED_LM_100000baseLR4_ER4_Full_BIT;
1558 if (params->adv_speeds & sup_caps)
1559 link_params->speed.advertised_speeds |=
1560 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1561 }
1562 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1563 link_params->speed.forced_speed = params->forced_speed;
1564 if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1565 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1566 link_params->pause.autoneg = true;
1567 else
1568 link_params->pause.autoneg = false;
1569 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1570 link_params->pause.forced_rx = true;
1571 else
1572 link_params->pause.forced_rx = false;
1573 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1574 link_params->pause.forced_tx = true;
1575 else
1576 link_params->pause.forced_tx = false;
1577 }
1578 if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1579 switch (params->loopback_mode) {
1580 case QED_LINK_LOOPBACK_INT_PHY:
1581 link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1582 break;
1583 case QED_LINK_LOOPBACK_EXT_PHY:
1584 link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1585 break;
1586 case QED_LINK_LOOPBACK_EXT:
1587 link_params->loopback_mode = ETH_LOOPBACK_EXT;
1588 break;
1589 case QED_LINK_LOOPBACK_MAC:
1590 link_params->loopback_mode = ETH_LOOPBACK_MAC;
1591 break;
1592 default:
1593 link_params->loopback_mode = ETH_LOOPBACK_NONE;
1594 break;
1595 }
1596 }
1597
1598 if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1599 memcpy(&link_params->eee, ¶ms->eee,
1600 sizeof(link_params->eee));
1601
1602 rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1603
1604 qed_ptt_release(hwfn, ptt);
1605
1606 return rc;
1607}
1608
1609static int qed_get_port_type(u32 media_type)
1610{
1611 int port_type;
1612
1613 switch (media_type) {
1614 case MEDIA_SFPP_10G_FIBER:
1615 case MEDIA_SFP_1G_FIBER:
1616 case MEDIA_XFP_FIBER:
1617 case MEDIA_MODULE_FIBER:
1618 case MEDIA_KR:
1619 port_type = PORT_FIBRE;
1620 break;
1621 case MEDIA_DA_TWINAX:
1622 port_type = PORT_DA;
1623 break;
1624 case MEDIA_BASE_T:
1625 port_type = PORT_TP;
1626 break;
1627 case MEDIA_NOT_PRESENT:
1628 port_type = PORT_NONE;
1629 break;
1630 case MEDIA_UNSPECIFIED:
1631 default:
1632 port_type = PORT_OTHER;
1633 break;
1634 }
1635 return port_type;
1636}
1637
1638static int qed_get_link_data(struct qed_hwfn *hwfn,
1639 struct qed_mcp_link_params *params,
1640 struct qed_mcp_link_state *link,
1641 struct qed_mcp_link_capabilities *link_caps)
1642{
1643 void *p;
1644
1645 if (!IS_PF(hwfn->cdev)) {
1646 qed_vf_get_link_params(hwfn, params);
1647 qed_vf_get_link_state(hwfn, link);
1648 qed_vf_get_link_caps(hwfn, link_caps);
1649
1650 return 0;
1651 }
1652
1653 p = qed_mcp_get_link_params(hwfn);
1654 if (!p)
1655 return -ENXIO;
1656 memcpy(params, p, sizeof(*params));
1657
1658 p = qed_mcp_get_link_state(hwfn);
1659 if (!p)
1660 return -ENXIO;
1661 memcpy(link, p, sizeof(*link));
1662
1663 p = qed_mcp_get_link_capabilities(hwfn);
1664 if (!p)
1665 return -ENXIO;
1666 memcpy(link_caps, p, sizeof(*link_caps));
1667
1668 return 0;
1669}
1670
1671static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1672 struct qed_ptt *ptt, u32 capability,
1673 u32 *if_capability)
1674{
1675 u32 media_type, tcvr_state, tcvr_type;
1676 u32 speed_mask, board_cfg;
1677
1678 if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1679 media_type = MEDIA_UNSPECIFIED;
1680
1681 if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1682 tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1683
1684 if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1685 speed_mask = 0xFFFFFFFF;
1686
1687 if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1688 board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1689
1690 DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1691 "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1692 media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1693
1694 switch (media_type) {
1695 case MEDIA_DA_TWINAX:
1696 *if_capability |= QED_LM_FIBRE_BIT;
1697 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1698 *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1699 /* For DAC media multiple speed capabilities are supported*/
1700 capability = capability & speed_mask;
1701 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1702 *if_capability |= QED_LM_1000baseKX_Full_BIT;
1703 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1704 *if_capability |= QED_LM_10000baseCR_Full_BIT;
1705 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1706 *if_capability |= QED_LM_40000baseCR4_Full_BIT;
1707 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1708 *if_capability |= QED_LM_25000baseCR_Full_BIT;
1709 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1710 *if_capability |= QED_LM_50000baseCR2_Full_BIT;
1711 if (capability &
1712 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1713 *if_capability |= QED_LM_100000baseCR4_Full_BIT;
1714 break;
1715 case MEDIA_BASE_T:
1716 *if_capability |= QED_LM_TP_BIT;
1717 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1718 if (capability &
1719 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1720 *if_capability |= QED_LM_1000baseT_Full_BIT;
1721 }
1722 if (capability &
1723 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1724 *if_capability |= QED_LM_10000baseT_Full_BIT;
1725 }
1726 }
1727 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1728 *if_capability |= QED_LM_FIBRE_BIT;
1729 if (tcvr_type == ETH_TRANSCEIVER_TYPE_1000BASET)
1730 *if_capability |= QED_LM_1000baseT_Full_BIT;
1731 if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_BASET)
1732 *if_capability |= QED_LM_10000baseT_Full_BIT;
1733 }
1734 break;
1735 case MEDIA_SFP_1G_FIBER:
1736 case MEDIA_SFPP_10G_FIBER:
1737 case MEDIA_XFP_FIBER:
1738 case MEDIA_MODULE_FIBER:
1739 *if_capability |= QED_LM_FIBRE_BIT;
1740 if (capability &
1741 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1742 if ((tcvr_type == ETH_TRANSCEIVER_TYPE_1G_LX) ||
1743 (tcvr_type == ETH_TRANSCEIVER_TYPE_1G_SX))
1744 *if_capability |= QED_LM_1000baseKX_Full_BIT;
1745 }
1746 if (capability &
1747 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1748 if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_SR)
1749 *if_capability |= QED_LM_10000baseSR_Full_BIT;
1750 if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LR)
1751 *if_capability |= QED_LM_10000baseLR_Full_BIT;
1752 if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LRM)
1753 *if_capability |= QED_LM_10000baseLRM_Full_BIT;
1754 if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_ER)
1755 *if_capability |= QED_LM_10000baseR_FEC_BIT;
1756 }
1757 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1758 *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1759 if (capability &
1760 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G) {
1761 if (tcvr_type == ETH_TRANSCEIVER_TYPE_25G_SR)
1762 *if_capability |= QED_LM_25000baseSR_Full_BIT;
1763 }
1764 if (capability &
1765 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G) {
1766 if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_LR4)
1767 *if_capability |= QED_LM_40000baseLR4_Full_BIT;
1768 if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_SR4)
1769 *if_capability |= QED_LM_40000baseSR4_Full_BIT;
1770 }
1771 if (capability &
1772 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1773 *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1774 if (capability &
1775 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G) {
1776 if (tcvr_type == ETH_TRANSCEIVER_TYPE_100G_SR4)
1777 *if_capability |= QED_LM_100000baseSR4_Full_BIT;
1778 }
1779
1780 break;
1781 case MEDIA_KR:
1782 *if_capability |= QED_LM_Backplane_BIT;
1783 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1784 *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1785 if (capability &
1786 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1787 *if_capability |= QED_LM_1000baseKX_Full_BIT;
1788 if (capability &
1789 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1790 *if_capability |= QED_LM_10000baseKR_Full_BIT;
1791 if (capability &
1792 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1793 *if_capability |= QED_LM_25000baseKR_Full_BIT;
1794 if (capability &
1795 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1796 *if_capability |= QED_LM_40000baseKR4_Full_BIT;
1797 if (capability &
1798 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1799 *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1800 if (capability &
1801 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1802 *if_capability |= QED_LM_100000baseKR4_Full_BIT;
1803 break;
1804 case MEDIA_UNSPECIFIED:
1805 case MEDIA_NOT_PRESENT:
1806 DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
1807 "Unknown media and transceiver type;\n");
1808 break;
1809 }
1810}
1811
1812static void qed_fill_link(struct qed_hwfn *hwfn,
1813 struct qed_ptt *ptt,
1814 struct qed_link_output *if_link)
1815{
1816 struct qed_mcp_link_capabilities link_caps;
1817 struct qed_mcp_link_params params;
1818 struct qed_mcp_link_state link;
1819 u32 media_type;
1820
1821 memset(if_link, 0, sizeof(*if_link));
1822
1823 /* Prepare source inputs */
1824 if (qed_get_link_data(hwfn, ¶ms, &link, &link_caps)) {
1825 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1826 return;
1827 }
1828
1829 /* Set the link parameters to pass to protocol driver */
1830 if (link.link_up)
1831 if_link->link_up = true;
1832
1833 /* TODO - at the moment assume supported and advertised speed equal */
1834 if (link_caps.default_speed_autoneg)
1835 if_link->supported_caps |= QED_LM_Autoneg_BIT;
1836 if (params.pause.autoneg ||
1837 (params.pause.forced_rx && params.pause.forced_tx))
1838 if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
1839 if (params.pause.autoneg || params.pause.forced_rx ||
1840 params.pause.forced_tx)
1841 if_link->supported_caps |= QED_LM_Pause_BIT;
1842
1843 if_link->advertised_caps = if_link->supported_caps;
1844 if (params.speed.autoneg)
1845 if_link->advertised_caps |= QED_LM_Autoneg_BIT;
1846 else
1847 if_link->advertised_caps &= ~QED_LM_Autoneg_BIT;
1848
1849 /* Fill link advertised capability*/
1850 qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
1851 &if_link->advertised_caps);
1852 /* Fill link supported capability*/
1853 qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
1854 &if_link->supported_caps);
1855
1856 if (link.link_up)
1857 if_link->speed = link.speed;
1858
1859 /* TODO - fill duplex properly */
1860 if_link->duplex = DUPLEX_FULL;
1861 qed_mcp_get_media_type(hwfn, ptt, &media_type);
1862 if_link->port = qed_get_port_type(media_type);
1863
1864 if_link->autoneg = params.speed.autoneg;
1865
1866 if (params.pause.autoneg)
1867 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1868 if (params.pause.forced_rx)
1869 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1870 if (params.pause.forced_tx)
1871 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1872
1873 /* Link partner capabilities */
1874 if (link.partner_adv_speed &
1875 QED_LINK_PARTNER_SPEED_1G_FD)
1876 if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1877 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1878 if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1879 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_20G)
1880 if_link->lp_caps |= QED_LM_20000baseKR2_Full_BIT;
1881 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1882 if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1883 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1884 if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1885 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1886 if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1887 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1888 if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
1889
1890 if (link.an_complete)
1891 if_link->lp_caps |= QED_LM_Autoneg_BIT;
1892
1893 if (link.partner_adv_pause)
1894 if_link->lp_caps |= QED_LM_Pause_BIT;
1895 if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1896 link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1897 if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
1898
1899 if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
1900 if_link->eee_supported = false;
1901 } else {
1902 if_link->eee_supported = true;
1903 if_link->eee_active = link.eee_active;
1904 if_link->sup_caps = link_caps.eee_speed_caps;
1905 /* MFW clears adv_caps on eee disable; use configured value */
1906 if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
1907 params.eee.adv_caps;
1908 if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
1909 if_link->eee.enable = params.eee.enable;
1910 if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
1911 if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
1912 }
1913}
1914
1915static void qed_get_current_link(struct qed_dev *cdev,
1916 struct qed_link_output *if_link)
1917{
1918 struct qed_hwfn *hwfn;
1919 struct qed_ptt *ptt;
1920 int i;
1921
1922 hwfn = &cdev->hwfns[0];
1923 if (IS_PF(cdev)) {
1924 ptt = qed_ptt_acquire(hwfn);
1925 if (ptt) {
1926 qed_fill_link(hwfn, ptt, if_link);
1927 qed_ptt_release(hwfn, ptt);
1928 } else {
1929 DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
1930 }
1931 } else {
1932 qed_fill_link(hwfn, NULL, if_link);
1933 }
1934
1935 for_each_hwfn(cdev, i)
1936 qed_inform_vf_link_state(&cdev->hwfns[i]);
1937}
1938
1939void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
1940{
1941 void *cookie = hwfn->cdev->ops_cookie;
1942 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1943 struct qed_link_output if_link;
1944
1945 qed_fill_link(hwfn, ptt, &if_link);
1946 qed_inform_vf_link_state(hwfn);
1947
1948 if (IS_LEAD_HWFN(hwfn) && cookie)
1949 op->link_update(cookie, &if_link);
1950}
1951
1952static int qed_drain(struct qed_dev *cdev)
1953{
1954 struct qed_hwfn *hwfn;
1955 struct qed_ptt *ptt;
1956 int i, rc;
1957
1958 if (IS_VF(cdev))
1959 return 0;
1960
1961 for_each_hwfn(cdev, i) {
1962 hwfn = &cdev->hwfns[i];
1963 ptt = qed_ptt_acquire(hwfn);
1964 if (!ptt) {
1965 DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1966 return -EBUSY;
1967 }
1968 rc = qed_mcp_drain(hwfn, ptt);
1969 qed_ptt_release(hwfn, ptt);
1970 if (rc)
1971 return rc;
1972 }
1973
1974 return 0;
1975}
1976
1977static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
1978 struct qed_nvm_image_att *nvm_image,
1979 u32 *crc)
1980{
1981 u8 *buf = NULL;
1982 int rc, j;
1983 u32 val;
1984
1985 /* Allocate a buffer for holding the nvram image */
1986 buf = kzalloc(nvm_image->length, GFP_KERNEL);
1987 if (!buf)
1988 return -ENOMEM;
1989
1990 /* Read image into buffer */
1991 rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
1992 buf, nvm_image->length);
1993 if (rc) {
1994 DP_ERR(cdev, "Failed reading image from nvm\n");
1995 goto out;
1996 }
1997
1998 /* Convert the buffer into big-endian format (excluding the
1999 * closing 4 bytes of CRC).
2000 */
2001 for (j = 0; j < nvm_image->length - 4; j += 4) {
2002 val = cpu_to_be32(*(u32 *)&buf[j]);
2003 *(u32 *)&buf[j] = val;
2004 }
2005
2006 /* Calc CRC for the "actual" image buffer, i.e. not including
2007 * the last 4 CRC bytes.
2008 */
2009 *crc = (~cpu_to_be32(crc32(0xffffffff, buf, nvm_image->length - 4)));
2010
2011out:
2012 kfree(buf);
2013
2014 return rc;
2015}
2016
2017/* Binary file format -
2018 * /----------------------------------------------------------------------\
2019 * 0B | 0x4 [command index] |
2020 * 4B | image_type | Options | Number of register settings |
2021 * 8B | Value |
2022 * 12B | Mask |
2023 * 16B | Offset |
2024 * \----------------------------------------------------------------------/
2025 * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2026 * Options - 0'b - Calculate & Update CRC for image
2027 */
2028static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2029 bool *check_resp)
2030{
2031 struct qed_nvm_image_att nvm_image;
2032 struct qed_hwfn *p_hwfn;
2033 bool is_crc = false;
2034 u32 image_type;
2035 int rc = 0, i;
2036 u16 len;
2037
2038 *data += 4;
2039 image_type = **data;
2040 p_hwfn = QED_LEADING_HWFN(cdev);
2041 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2042 if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2043 break;
2044 if (i == p_hwfn->nvm_info.num_images) {
2045 DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2046 image_type);
2047 return -ENOENT;
2048 }
2049
2050 nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2051 nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2052
2053 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2054 "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2055 **data, image_type, nvm_image.start_addr,
2056 nvm_image.start_addr + nvm_image.length - 1);
2057 (*data)++;
2058 is_crc = !!(**data & BIT(0));
2059 (*data)++;
2060 len = *((u16 *)*data);
2061 *data += 2;
2062 if (is_crc) {
2063 u32 crc = 0;
2064
2065 rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2066 if (rc) {
2067 DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2068 goto exit;
2069 }
2070
2071 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2072 (nvm_image.start_addr +
2073 nvm_image.length - 4), (u8 *)&crc, 4);
2074 if (rc)
2075 DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2076 nvm_image.start_addr + nvm_image.length - 4, rc);
2077 goto exit;
2078 }
2079
2080 /* Iterate over the values for setting */
2081 while (len) {
2082 u32 offset, mask, value, cur_value;
2083 u8 buf[4];
2084
2085 value = *((u32 *)*data);
2086 *data += 4;
2087 mask = *((u32 *)*data);
2088 *data += 4;
2089 offset = *((u32 *)*data);
2090 *data += 4;
2091
2092 rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2093 4);
2094 if (rc) {
2095 DP_ERR(cdev, "Failed reading from %08x\n",
2096 nvm_image.start_addr + offset);
2097 goto exit;
2098 }
2099
2100 cur_value = le32_to_cpu(*((__le32 *)buf));
2101 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2102 "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2103 nvm_image.start_addr + offset, cur_value,
2104 (cur_value & ~mask) | (value & mask), value, mask);
2105 value = (value & mask) | (cur_value & ~mask);
2106 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2107 nvm_image.start_addr + offset,
2108 (u8 *)&value, 4);
2109 if (rc) {
2110 DP_ERR(cdev, "Failed writing to %08x\n",
2111 nvm_image.start_addr + offset);
2112 goto exit;
2113 }
2114
2115 len--;
2116 }
2117exit:
2118 return rc;
2119}
2120
2121/* Binary file format -
2122 * /----------------------------------------------------------------------\
2123 * 0B | 0x3 [command index] |
2124 * 4B | b'0: check_response? | b'1-31 reserved |
2125 * 8B | File-type | reserved |
2126 * 12B | Image length in bytes |
2127 * \----------------------------------------------------------------------/
2128 * Start a new file of the provided type
2129 */
2130static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2131 const u8 **data, bool *check_resp)
2132{
2133 u32 file_type, file_size = 0;
2134 int rc;
2135
2136 *data += 4;
2137 *check_resp = !!(**data & BIT(0));
2138 *data += 4;
2139 file_type = **data;
2140
2141 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2142 "About to start a new file of type %02x\n", file_type);
2143 if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2144 *data += 4;
2145 file_size = *((u32 *)(*data));
2146 }
2147
2148 rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2149 (u8 *)(&file_size), 4);
2150 *data += 4;
2151
2152 return rc;
2153}
2154
2155/* Binary file format -
2156 * /----------------------------------------------------------------------\
2157 * 0B | 0x2 [command index] |
2158 * 4B | Length in bytes |
2159 * 8B | b'0: check_response? | b'1-31 reserved |
2160 * 12B | Offset in bytes |
2161 * 16B | Data ... |
2162 * \----------------------------------------------------------------------/
2163 * Write data as part of a file that was previously started. Data should be
2164 * of length equal to that provided in the message
2165 */
2166static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2167 const u8 **data, bool *check_resp)
2168{
2169 u32 offset, len;
2170 int rc;
2171
2172 *data += 4;
2173 len = *((u32 *)(*data));
2174 *data += 4;
2175 *check_resp = !!(**data & BIT(0));
2176 *data += 4;
2177 offset = *((u32 *)(*data));
2178 *data += 4;
2179
2180 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2181 "About to write File-data: %08x bytes to offset %08x\n",
2182 len, offset);
2183
2184 rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2185 (char *)(*data), len);
2186 *data += len;
2187
2188 return rc;
2189}
2190
2191/* Binary file format [General header] -
2192 * /----------------------------------------------------------------------\
2193 * 0B | QED_NVM_SIGNATURE |
2194 * 4B | Length in bytes |
2195 * 8B | Highest command in this batchfile | Reserved |
2196 * \----------------------------------------------------------------------/
2197 */
2198static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2199 const struct firmware *image,
2200 const u8 **data)
2201{
2202 u32 signature, len;
2203
2204 /* Check minimum size */
2205 if (image->size < 12) {
2206 DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2207 return -EINVAL;
2208 }
2209
2210 /* Check signature */
2211 signature = *((u32 *)(*data));
2212 if (signature != QED_NVM_SIGNATURE) {
2213 DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2214 return -EINVAL;
2215 }
2216
2217 *data += 4;
2218 /* Validate internal size equals the image-size */
2219 len = *((u32 *)(*data));
2220 if (len != image->size) {
2221 DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2222 len, (u32)image->size);
2223 return -EINVAL;
2224 }
2225
2226 *data += 4;
2227 /* Make sure driver familiar with all commands necessary for this */
2228 if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2229 DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2230 *((u16 *)(*data)));
2231 return -EINVAL;
2232 }
2233
2234 *data += 4;
2235
2236 return 0;
2237}
2238
2239/* Binary file format -
2240 * /----------------------------------------------------------------------\
2241 * 0B | 0x5 [command index] |
2242 * 4B | Number of config attributes | Reserved |
2243 * 4B | Config ID | Entity ID | Length |
2244 * 4B | Value |
2245 * | |
2246 * \----------------------------------------------------------------------/
2247 * There can be several cfg_id-entity_id-Length-Value sets as specified by
2248 * 'Number of config attributes'.
2249 *
2250 * The API parses config attributes from the user provided buffer and flashes
2251 * them to the respective NVM path using Management FW inerface.
2252 */
2253static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
2254{
2255 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2256 u8 entity_id, len, buf[32];
2257 bool need_nvm_init = true;
2258 struct qed_ptt *ptt;
2259 u16 cfg_id, count;
2260 int rc = 0, i;
2261 u32 flags;
2262
2263 ptt = qed_ptt_acquire(hwfn);
2264 if (!ptt)
2265 return -EAGAIN;
2266
2267 /* NVM CFG ID attribute header */
2268 *data += 4;
2269 count = *((u16 *)*data);
2270 *data += 4;
2271
2272 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2273 "Read config ids: num_attrs = %0d\n", count);
2274 /* NVM CFG ID attributes. Start loop index from 1 to avoid additional
2275 * arithmetic operations in the implementation.
2276 */
2277 for (i = 1; i <= count; i++) {
2278 cfg_id = *((u16 *)*data);
2279 *data += 2;
2280 entity_id = **data;
2281 (*data)++;
2282 len = **data;
2283 (*data)++;
2284 memcpy(buf, *data, len);
2285 *data += len;
2286
2287 flags = 0;
2288 if (need_nvm_init) {
2289 flags |= QED_NVM_CFG_OPTION_INIT;
2290 need_nvm_init = false;
2291 }
2292
2293 /* Commit to flash and free the resources */
2294 if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
2295 flags |= QED_NVM_CFG_OPTION_COMMIT |
2296 QED_NVM_CFG_OPTION_FREE;
2297 need_nvm_init = true;
2298 }
2299
2300 if (entity_id)
2301 flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;
2302
2303 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2304 "cfg_id = %d entity = %d len = %d\n", cfg_id,
2305 entity_id, len);
2306 rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
2307 buf, len);
2308 if (rc) {
2309 DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
2310 break;
2311 }
2312 }
2313
2314 qed_ptt_release(hwfn, ptt);
2315
2316 return rc;
2317}
2318
2319#define QED_MAX_NVM_BUF_LEN 32
2320static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
2321{
2322 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2323 u8 buf[QED_MAX_NVM_BUF_LEN];
2324 struct qed_ptt *ptt;
2325 u32 len;
2326 int rc;
2327
2328 ptt = qed_ptt_acquire(hwfn);
2329 if (!ptt)
2330 return QED_MAX_NVM_BUF_LEN;
2331
2332 rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
2333 &len);
2334 if (rc || !len) {
2335 DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2336 len = QED_MAX_NVM_BUF_LEN;
2337 }
2338
2339 qed_ptt_release(hwfn, ptt);
2340
2341 return len;
2342}
2343
2344static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
2345 u32 cmd, u32 entity_id)
2346{
2347 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2348 struct qed_ptt *ptt;
2349 u32 flags, len;
2350 int rc = 0;
2351
2352 ptt = qed_ptt_acquire(hwfn);
2353 if (!ptt)
2354 return -EAGAIN;
2355
2356 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2357 "Read config cmd = %d entity id %d\n", cmd, entity_id);
2358 flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
2359 rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
2360 if (rc)
2361 DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2362
2363 qed_ptt_release(hwfn, ptt);
2364
2365 return rc;
2366}
2367
2368static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2369{
2370 const struct firmware *image;
2371 const u8 *data, *data_end;
2372 u32 cmd_type;
2373 int rc;
2374
2375 rc = request_firmware(&image, name, &cdev->pdev->dev);
2376 if (rc) {
2377 DP_ERR(cdev, "Failed to find '%s'\n", name);
2378 return rc;
2379 }
2380
2381 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2382 "Flashing '%s' - firmware's data at %p, size is %08x\n",
2383 name, image->data, (u32)image->size);
2384 data = image->data;
2385 data_end = data + image->size;
2386
2387 rc = qed_nvm_flash_image_validate(cdev, image, &data);
2388 if (rc)
2389 goto exit;
2390
2391 while (data < data_end) {
2392 bool check_resp = false;
2393
2394 /* Parse the actual command */
2395 cmd_type = *((u32 *)data);
2396 switch (cmd_type) {
2397 case QED_NVM_FLASH_CMD_FILE_DATA:
2398 rc = qed_nvm_flash_image_file_data(cdev, &data,
2399 &check_resp);
2400 break;
2401 case QED_NVM_FLASH_CMD_FILE_START:
2402 rc = qed_nvm_flash_image_file_start(cdev, &data,
2403 &check_resp);
2404 break;
2405 case QED_NVM_FLASH_CMD_NVM_CHANGE:
2406 rc = qed_nvm_flash_image_access(cdev, &data,
2407 &check_resp);
2408 break;
2409 case QED_NVM_FLASH_CMD_NVM_CFG_ID:
2410 rc = qed_nvm_flash_cfg_write(cdev, &data);
2411 break;
2412 default:
2413 DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2414 rc = -EINVAL;
2415 goto exit;
2416 }
2417
2418 if (rc) {
2419 DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2420 goto exit;
2421 }
2422
2423 /* Check response if needed */
2424 if (check_resp) {
2425 u32 mcp_response = 0;
2426
2427 if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2428 DP_ERR(cdev, "Failed getting MCP response\n");
2429 rc = -EINVAL;
2430 goto exit;
2431 }
2432
2433 switch (mcp_response & FW_MSG_CODE_MASK) {
2434 case FW_MSG_CODE_OK:
2435 case FW_MSG_CODE_NVM_OK:
2436 case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2437 case FW_MSG_CODE_PHY_OK:
2438 break;
2439 default:
2440 DP_ERR(cdev, "MFW returns error: %08x\n",
2441 mcp_response);
2442 rc = -EINVAL;
2443 goto exit;
2444 }
2445 }
2446 }
2447
2448exit:
2449 release_firmware(image);
2450
2451 return rc;
2452}
2453
2454static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2455 u8 *buf, u16 len)
2456{
2457 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2458
2459 return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2460}
2461
2462void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2463{
2464 struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2465 void *cookie = p_hwfn->cdev->ops_cookie;
2466
2467 if (ops && ops->schedule_recovery_handler)
2468 ops->schedule_recovery_handler(cookie);
2469}
2470
2471static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2472 void *handle)
2473{
2474 return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2475}
2476
2477static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2478{
2479 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2480 struct qed_ptt *ptt;
2481 int status = 0;
2482
2483 ptt = qed_ptt_acquire(hwfn);
2484 if (!ptt)
2485 return -EAGAIN;
2486
2487 status = qed_mcp_set_led(hwfn, ptt, mode);
2488
2489 qed_ptt_release(hwfn, ptt);
2490
2491 return status;
2492}
2493
2494static int qed_recovery_process(struct qed_dev *cdev)
2495{
2496 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2497 struct qed_ptt *p_ptt;
2498 int rc = 0;
2499
2500 p_ptt = qed_ptt_acquire(p_hwfn);
2501 if (!p_ptt)
2502 return -EAGAIN;
2503
2504 rc = qed_start_recovery_process(p_hwfn, p_ptt);
2505
2506 qed_ptt_release(p_hwfn, p_ptt);
2507
2508 return rc;
2509}
2510
2511static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2512{
2513 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2514 struct qed_ptt *ptt;
2515 int rc = 0;
2516
2517 if (IS_VF(cdev))
2518 return 0;
2519
2520 ptt = qed_ptt_acquire(hwfn);
2521 if (!ptt)
2522 return -EAGAIN;
2523
2524 rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2525 : QED_OV_WOL_DISABLED);
2526 if (rc)
2527 goto out;
2528 rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2529
2530out:
2531 qed_ptt_release(hwfn, ptt);
2532 return rc;
2533}
2534
2535static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2536{
2537 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2538 struct qed_ptt *ptt;
2539 int status = 0;
2540
2541 if (IS_VF(cdev))
2542 return 0;
2543
2544 ptt = qed_ptt_acquire(hwfn);
2545 if (!ptt)
2546 return -EAGAIN;
2547
2548 status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2549 QED_OV_DRIVER_STATE_ACTIVE :
2550 QED_OV_DRIVER_STATE_DISABLED);
2551
2552 qed_ptt_release(hwfn, ptt);
2553
2554 return status;
2555}
2556
2557static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
2558{
2559 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2560 struct qed_ptt *ptt;
2561 int status = 0;
2562
2563 if (IS_VF(cdev))
2564 return 0;
2565
2566 ptt = qed_ptt_acquire(hwfn);
2567 if (!ptt)
2568 return -EAGAIN;
2569
2570 status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2571 if (status)
2572 goto out;
2573
2574 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2575
2576out:
2577 qed_ptt_release(hwfn, ptt);
2578 return status;
2579}
2580
2581static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2582{
2583 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2584 struct qed_ptt *ptt;
2585 int status = 0;
2586
2587 if (IS_VF(cdev))
2588 return 0;
2589
2590 ptt = qed_ptt_acquire(hwfn);
2591 if (!ptt)
2592 return -EAGAIN;
2593
2594 status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2595 if (status)
2596 goto out;
2597
2598 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2599
2600out:
2601 qed_ptt_release(hwfn, ptt);
2602 return status;
2603}
2604
2605static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2606 u8 dev_addr, u32 offset, u32 len)
2607{
2608 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2609 struct qed_ptt *ptt;
2610 int rc = 0;
2611
2612 if (IS_VF(cdev))
2613 return 0;
2614
2615 ptt = qed_ptt_acquire(hwfn);
2616 if (!ptt)
2617 return -EAGAIN;
2618
2619 rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2620 offset, len, buf);
2621
2622 qed_ptt_release(hwfn, ptt);
2623
2624 return rc;
2625}
2626
2627static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
2628{
2629 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2630 struct qed_ptt *ptt;
2631 int rc = 0;
2632
2633 if (IS_VF(cdev))
2634 return 0;
2635
2636 ptt = qed_ptt_acquire(hwfn);
2637 if (!ptt)
2638 return -EAGAIN;
2639
2640 rc = qed_dbg_grc_config(hwfn, ptt, cfg_id, val);
2641
2642 qed_ptt_release(hwfn, ptt);
2643
2644 return rc;
2645}
2646
2647static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2648{
2649 return QED_AFFIN_HWFN_IDX(cdev);
2650}
2651
2652static struct qed_selftest_ops qed_selftest_ops_pass = {
2653 .selftest_memory = &qed_selftest_memory,
2654 .selftest_interrupt = &qed_selftest_interrupt,
2655 .selftest_register = &qed_selftest_register,
2656 .selftest_clock = &qed_selftest_clock,
2657 .selftest_nvram = &qed_selftest_nvram,
2658};
2659
2660const struct qed_common_ops qed_common_ops_pass = {
2661 .selftest = &qed_selftest_ops_pass,
2662 .probe = &qed_probe,
2663 .remove = &qed_remove,
2664 .set_power_state = &qed_set_power_state,
2665 .set_name = &qed_set_name,
2666 .update_pf_params = &qed_update_pf_params,
2667 .slowpath_start = &qed_slowpath_start,
2668 .slowpath_stop = &qed_slowpath_stop,
2669 .set_fp_int = &qed_set_int_fp,
2670 .get_fp_int = &qed_get_int_fp,
2671 .sb_init = &qed_sb_init,
2672 .sb_release = &qed_sb_release,
2673 .simd_handler_config = &qed_simd_handler_config,
2674 .simd_handler_clean = &qed_simd_handler_clean,
2675 .dbg_grc = &qed_dbg_grc,
2676 .dbg_grc_size = &qed_dbg_grc_size,
2677 .can_link_change = &qed_can_link_change,
2678 .set_link = &qed_set_link,
2679 .get_link = &qed_get_current_link,
2680 .drain = &qed_drain,
2681 .update_msglvl = &qed_init_dp,
2682 .dbg_all_data = &qed_dbg_all_data,
2683 .dbg_all_data_size = &qed_dbg_all_data_size,
2684 .chain_alloc = &qed_chain_alloc,
2685 .chain_free = &qed_chain_free,
2686 .nvm_flash = &qed_nvm_flash,
2687 .nvm_get_image = &qed_nvm_get_image,
2688 .set_coalesce = &qed_set_coalesce,
2689 .set_led = &qed_set_led,
2690 .recovery_process = &qed_recovery_process,
2691 .recovery_prolog = &qed_recovery_prolog,
2692 .update_drv_state = &qed_update_drv_state,
2693 .update_mac = &qed_update_mac,
2694 .update_mtu = &qed_update_mtu,
2695 .update_wol = &qed_update_wol,
2696 .db_recovery_add = &qed_db_recovery_add,
2697 .db_recovery_del = &qed_db_recovery_del,
2698 .read_module_eeprom = &qed_read_module_eeprom,
2699 .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
2700 .read_nvm_cfg = &qed_nvm_flash_cfg_read,
2701 .read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
2702 .set_grc_config = &qed_set_grc_config,
2703};
2704
2705void qed_get_protocol_stats(struct qed_dev *cdev,
2706 enum qed_mcp_protocol_type type,
2707 union qed_mcp_protocol_stats *stats)
2708{
2709 struct qed_eth_stats eth_stats;
2710
2711 memset(stats, 0, sizeof(*stats));
2712
2713 switch (type) {
2714 case QED_MCP_LAN_STATS:
2715 qed_get_vport_stats(cdev, ð_stats);
2716 stats->lan_stats.ucast_rx_pkts =
2717 eth_stats.common.rx_ucast_pkts;
2718 stats->lan_stats.ucast_tx_pkts =
2719 eth_stats.common.tx_ucast_pkts;
2720 stats->lan_stats.fcs_err = -1;
2721 break;
2722 case QED_MCP_FCOE_STATS:
2723 qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
2724 break;
2725 case QED_MCP_ISCSI_STATS:
2726 qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
2727 break;
2728 default:
2729 DP_VERBOSE(cdev, QED_MSG_SP,
2730 "Invalid protocol type = %d\n", type);
2731 return;
2732 }
2733}
2734
2735int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
2736{
2737 DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
2738 "Scheduling slowpath task [Flag: %d]\n",
2739 QED_SLOWPATH_MFW_TLV_REQ);
2740 smp_mb__before_atomic();
2741 set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
2742 smp_mb__after_atomic();
2743 queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
2744
2745 return 0;
2746}
2747
2748static void
2749qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
2750{
2751 struct qed_common_cb_ops *op = cdev->protocol_ops.common;
2752 struct qed_eth_stats_common *p_common;
2753 struct qed_generic_tlvs gen_tlvs;
2754 struct qed_eth_stats stats;
2755 int i;
2756
2757 memset(&gen_tlvs, 0, sizeof(gen_tlvs));
2758 op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
2759
2760 if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
2761 tlv->flags.ipv4_csum_offload = true;
2762 if (gen_tlvs.feat_flags & QED_TLV_LSO)
2763 tlv->flags.lso_supported = true;
2764 tlv->flags.b_set = true;
2765
2766 for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
2767 if (is_valid_ether_addr(gen_tlvs.mac[i])) {
2768 ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
2769 tlv->mac_set[i] = true;
2770 }
2771 }
2772
2773 qed_get_vport_stats(cdev, &stats);
2774 p_common = &stats.common;
2775 tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
2776 p_common->rx_bcast_pkts;
2777 tlv->rx_frames_set = true;
2778 tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
2779 p_common->rx_bcast_bytes;
2780 tlv->rx_bytes_set = true;
2781 tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
2782 p_common->tx_bcast_pkts;
2783 tlv->tx_frames_set = true;
2784 tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
2785 p_common->tx_bcast_bytes;
2786 tlv->rx_bytes_set = true;
2787}
2788
2789int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
2790 union qed_mfw_tlv_data *tlv_buf)
2791{
2792 struct qed_dev *cdev = hwfn->cdev;
2793 struct qed_common_cb_ops *ops;
2794
2795 ops = cdev->protocol_ops.common;
2796 if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
2797 DP_NOTICE(hwfn, "Can't collect TLV management info\n");
2798 return -EINVAL;
2799 }
2800
2801 switch (type) {
2802 case QED_MFW_TLV_GENERIC:
2803 qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
2804 break;
2805 case QED_MFW_TLV_ETH:
2806 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
2807 break;
2808 case QED_MFW_TLV_FCOE:
2809 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
2810 break;
2811 case QED_MFW_TLV_ISCSI:
2812 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
2813 break;
2814 default:
2815 break;
2816 }
2817
2818 return 0;
2819}