xref: /linux/drivers/net/ethernet/qlogic/qed/qed_main.c (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
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/aer.h>
27 #include <linux/phylink.h>
28 
29 #include "qed.h"
30 #include "qed_sriov.h"
31 #include "qed_sp.h"
32 #include "qed_dev_api.h"
33 #include "qed_ll2.h"
34 #include "qed_fcoe.h"
35 #include "qed_iscsi.h"
36 
37 #include "qed_mcp.h"
38 #include "qed_reg_addr.h"
39 #include "qed_hw.h"
40 #include "qed_selftest.h"
41 #include "qed_debug.h"
42 #include "qed_devlink.h"
43 
44 #define QED_ROCE_QPS			(8192)
45 #define QED_ROCE_DPIS			(8)
46 #define QED_RDMA_SRQS                   QED_ROCE_QPS
47 #define QED_NVM_CFG_GET_FLAGS		0xA
48 #define QED_NVM_CFG_GET_PF_FLAGS	0x1A
49 #define QED_NVM_CFG_MAX_ATTRS		50
50 
51 static char version[] =
52 	"QLogic FastLinQ 4xxxx Core Module qed\n";
53 
54 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
55 MODULE_LICENSE("GPL");
56 
57 #define FW_FILE_VERSION				\
58 	__stringify(FW_MAJOR_VERSION) "."	\
59 	__stringify(FW_MINOR_VERSION) "."	\
60 	__stringify(FW_REVISION_VERSION) "."	\
61 	__stringify(FW_ENGINEERING_VERSION)
62 
63 #define QED_FW_FILE_NAME	\
64 	"qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
65 
66 MODULE_FIRMWARE(QED_FW_FILE_NAME);
67 
68 /* MFW speed capabilities maps */
69 
70 struct qed_mfw_speed_map {
71 	u32		mfw_val;
72 	__ETHTOOL_DECLARE_LINK_MODE_MASK(caps);
73 
74 	const u32	*cap_arr;
75 	u32		arr_size;
76 };
77 
78 #define QED_MFW_SPEED_MAP(type, arr)		\
79 {						\
80 	.mfw_val	= (type),		\
81 	.cap_arr	= (arr),		\
82 	.arr_size	= ARRAY_SIZE(arr),	\
83 }
84 
85 static const u32 qed_mfw_ext_1g[] __initconst = {
86 	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
87 	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
88 	ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
89 };
90 
91 static const u32 qed_mfw_ext_10g[] __initconst = {
92 	ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
93 	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
94 	ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
95 	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
96 	ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
97 	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
98 	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
99 	ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
100 };
101 
102 static const u32 qed_mfw_ext_25g[] __initconst = {
103 	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
104 	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
105 	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
106 };
107 
108 static const u32 qed_mfw_ext_40g[] __initconst = {
109 	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
110 	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
111 	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
112 	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
113 };
114 
115 static const u32 qed_mfw_ext_50g_base_r[] __initconst = {
116 	ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
117 	ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
118 	ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
119 	ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
120 	ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
121 };
122 
123 static const u32 qed_mfw_ext_50g_base_r2[] __initconst = {
124 	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
125 	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
126 	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
127 };
128 
129 static const u32 qed_mfw_ext_100g_base_r2[] __initconst = {
130 	ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
131 	ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
132 	ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
133 	ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
134 	ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
135 };
136 
137 static const u32 qed_mfw_ext_100g_base_r4[] __initconst = {
138 	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
139 	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
140 	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
141 	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
142 };
143 
144 static struct qed_mfw_speed_map qed_mfw_ext_maps[] __ro_after_init = {
145 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_1G, qed_mfw_ext_1g),
146 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_10G, qed_mfw_ext_10g),
147 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_25G, qed_mfw_ext_25g),
148 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_40G, qed_mfw_ext_40g),
149 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R,
150 			  qed_mfw_ext_50g_base_r),
151 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R2,
152 			  qed_mfw_ext_50g_base_r2),
153 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R2,
154 			  qed_mfw_ext_100g_base_r2),
155 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R4,
156 			  qed_mfw_ext_100g_base_r4),
157 };
158 
159 static const u32 qed_mfw_legacy_1g[] __initconst = {
160 	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
161 	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
162 	ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
163 };
164 
165 static const u32 qed_mfw_legacy_10g[] __initconst = {
166 	ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
167 	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
168 	ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
169 	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
170 	ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
171 	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
172 	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
173 	ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
174 };
175 
176 static const u32 qed_mfw_legacy_20g[] __initconst = {
177 	ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
178 };
179 
180 static const u32 qed_mfw_legacy_25g[] __initconst = {
181 	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
182 	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
183 	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
184 };
185 
186 static const u32 qed_mfw_legacy_40g[] __initconst = {
187 	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
188 	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
189 	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
190 	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
191 };
192 
193 static const u32 qed_mfw_legacy_50g[] __initconst = {
194 	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
195 	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
196 	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
197 };
198 
199 static const u32 qed_mfw_legacy_bb_100g[] __initconst = {
200 	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
201 	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
202 	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
203 	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
204 };
205 
206 static struct qed_mfw_speed_map qed_mfw_legacy_maps[] __ro_after_init = {
207 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G,
208 			  qed_mfw_legacy_1g),
209 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G,
210 			  qed_mfw_legacy_10g),
211 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G,
212 			  qed_mfw_legacy_20g),
213 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G,
214 			  qed_mfw_legacy_25g),
215 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G,
216 			  qed_mfw_legacy_40g),
217 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G,
218 			  qed_mfw_legacy_50g),
219 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G,
220 			  qed_mfw_legacy_bb_100g),
221 };
222 
223 static void __init qed_mfw_speed_map_populate(struct qed_mfw_speed_map *map)
224 {
225 	linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
226 
227 	map->cap_arr = NULL;
228 	map->arr_size = 0;
229 }
230 
231 static void __init qed_mfw_speed_maps_init(void)
232 {
233 	u32 i;
234 
235 	for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++)
236 		qed_mfw_speed_map_populate(qed_mfw_ext_maps + i);
237 
238 	for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++)
239 		qed_mfw_speed_map_populate(qed_mfw_legacy_maps + i);
240 }
241 
242 static int __init qed_init(void)
243 {
244 	pr_info("%s", version);
245 
246 	qed_mfw_speed_maps_init();
247 
248 	return 0;
249 }
250 module_init(qed_init);
251 
252 static void __exit qed_exit(void)
253 {
254 	/* To prevent marking this module as "permanent" */
255 }
256 module_exit(qed_exit);
257 
258 static void qed_free_pci(struct qed_dev *cdev)
259 {
260 	struct pci_dev *pdev = cdev->pdev;
261 
262 	pci_disable_pcie_error_reporting(pdev);
263 
264 	if (cdev->doorbells && cdev->db_size)
265 		iounmap(cdev->doorbells);
266 	if (cdev->regview)
267 		iounmap(cdev->regview);
268 	if (atomic_read(&pdev->enable_cnt) == 1)
269 		pci_release_regions(pdev);
270 
271 	pci_disable_device(pdev);
272 }
273 
274 #define PCI_REVISION_ID_ERROR_VAL	0xff
275 
276 /* Performs PCI initializations as well as initializing PCI-related parameters
277  * in the device structrue. Returns 0 in case of success.
278  */
279 static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
280 {
281 	u8 rev_id;
282 	int rc;
283 
284 	cdev->pdev = pdev;
285 
286 	rc = pci_enable_device(pdev);
287 	if (rc) {
288 		DP_NOTICE(cdev, "Cannot enable PCI device\n");
289 		goto err0;
290 	}
291 
292 	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
293 		DP_NOTICE(cdev, "No memory region found in bar #0\n");
294 		rc = -EIO;
295 		goto err1;
296 	}
297 
298 	if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
299 		DP_NOTICE(cdev, "No memory region found in bar #2\n");
300 		rc = -EIO;
301 		goto err1;
302 	}
303 
304 	if (atomic_read(&pdev->enable_cnt) == 1) {
305 		rc = pci_request_regions(pdev, "qed");
306 		if (rc) {
307 			DP_NOTICE(cdev,
308 				  "Failed to request PCI memory resources\n");
309 			goto err1;
310 		}
311 		pci_set_master(pdev);
312 		pci_save_state(pdev);
313 	}
314 
315 	pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
316 	if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
317 		DP_NOTICE(cdev,
318 			  "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
319 			  rev_id);
320 		rc = -ENODEV;
321 		goto err2;
322 	}
323 	if (!pci_is_pcie(pdev)) {
324 		DP_NOTICE(cdev, "The bus is not PCI Express\n");
325 		rc = -EIO;
326 		goto err2;
327 	}
328 
329 	cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
330 	if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
331 		DP_NOTICE(cdev, "Cannot find power management capability\n");
332 
333 	rc = dma_set_mask_and_coherent(&cdev->pdev->dev, DMA_BIT_MASK(64));
334 	if (rc) {
335 		DP_NOTICE(cdev, "Can't request DMA addresses\n");
336 		rc = -EIO;
337 		goto err2;
338 	}
339 
340 	cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
341 	cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
342 	cdev->pci_params.irq = pdev->irq;
343 
344 	cdev->regview = pci_ioremap_bar(pdev, 0);
345 	if (!cdev->regview) {
346 		DP_NOTICE(cdev, "Cannot map register space, aborting\n");
347 		rc = -ENOMEM;
348 		goto err2;
349 	}
350 
351 	cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
352 	cdev->db_size = pci_resource_len(cdev->pdev, 2);
353 	if (!cdev->db_size) {
354 		if (IS_PF(cdev)) {
355 			DP_NOTICE(cdev, "No Doorbell bar available\n");
356 			return -EINVAL;
357 		} else {
358 			return 0;
359 		}
360 	}
361 
362 	cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
363 
364 	if (!cdev->doorbells) {
365 		DP_NOTICE(cdev, "Cannot map doorbell space\n");
366 		return -ENOMEM;
367 	}
368 
369 	/* AER (Advanced Error reporting) configuration */
370 	rc = pci_enable_pcie_error_reporting(pdev);
371 	if (rc)
372 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
373 			   "Failed to configure PCIe AER [%d]\n", rc);
374 
375 	return 0;
376 
377 err2:
378 	pci_release_regions(pdev);
379 err1:
380 	pci_disable_device(pdev);
381 err0:
382 	return rc;
383 }
384 
385 int qed_fill_dev_info(struct qed_dev *cdev,
386 		      struct qed_dev_info *dev_info)
387 {
388 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
389 	struct qed_hw_info *hw_info = &p_hwfn->hw_info;
390 	struct qed_tunnel_info *tun = &cdev->tunnel;
391 	struct qed_ptt  *ptt;
392 
393 	memset(dev_info, 0, sizeof(struct qed_dev_info));
394 
395 	if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
396 	    tun->vxlan.b_mode_enabled)
397 		dev_info->vxlan_enable = true;
398 
399 	if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
400 	    tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
401 	    tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
402 		dev_info->gre_enable = true;
403 
404 	if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
405 	    tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
406 	    tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
407 		dev_info->geneve_enable = true;
408 
409 	dev_info->num_hwfns = cdev->num_hwfns;
410 	dev_info->pci_mem_start = cdev->pci_params.mem_start;
411 	dev_info->pci_mem_end = cdev->pci_params.mem_end;
412 	dev_info->pci_irq = cdev->pci_params.irq;
413 	dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
414 	dev_info->dev_type = cdev->type;
415 	ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
416 
417 	if (IS_PF(cdev)) {
418 		dev_info->fw_major = FW_MAJOR_VERSION;
419 		dev_info->fw_minor = FW_MINOR_VERSION;
420 		dev_info->fw_rev = FW_REVISION_VERSION;
421 		dev_info->fw_eng = FW_ENGINEERING_VERSION;
422 		dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
423 						       &cdev->mf_bits);
424 		if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits))
425 			dev_info->b_arfs_capable = true;
426 		dev_info->tx_switching = true;
427 
428 		if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
429 			dev_info->wol_support = true;
430 
431 		dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
432 		dev_info->esl = qed_mcp_is_esl_supported(p_hwfn);
433 		dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
434 	} else {
435 		qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
436 				      &dev_info->fw_minor, &dev_info->fw_rev,
437 				      &dev_info->fw_eng);
438 	}
439 
440 	if (IS_PF(cdev)) {
441 		ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
442 		if (ptt) {
443 			qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
444 					    &dev_info->mfw_rev, NULL);
445 
446 			qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
447 					    &dev_info->mbi_version);
448 
449 			qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
450 					       &dev_info->flash_size);
451 
452 			qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
453 		}
454 	} else {
455 		qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
456 				    &dev_info->mfw_rev, NULL);
457 	}
458 
459 	dev_info->mtu = hw_info->mtu;
460 	cdev->common_dev_info = *dev_info;
461 
462 	return 0;
463 }
464 
465 static void qed_free_cdev(struct qed_dev *cdev)
466 {
467 	kfree((void *)cdev);
468 }
469 
470 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
471 {
472 	struct qed_dev *cdev;
473 
474 	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
475 	if (!cdev)
476 		return cdev;
477 
478 	qed_init_struct(cdev);
479 
480 	return cdev;
481 }
482 
483 /* Sets the requested power state */
484 static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
485 {
486 	if (!cdev)
487 		return -ENODEV;
488 
489 	DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
490 	return 0;
491 }
492 
493 /* probing */
494 static struct qed_dev *qed_probe(struct pci_dev *pdev,
495 				 struct qed_probe_params *params)
496 {
497 	struct qed_dev *cdev;
498 	int rc;
499 
500 	cdev = qed_alloc_cdev(pdev);
501 	if (!cdev)
502 		goto err0;
503 
504 	cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
505 	cdev->protocol = params->protocol;
506 
507 	if (params->is_vf)
508 		cdev->b_is_vf = true;
509 
510 	qed_init_dp(cdev, params->dp_module, params->dp_level);
511 
512 	cdev->recov_in_prog = params->recov_in_prog;
513 
514 	rc = qed_init_pci(cdev, pdev);
515 	if (rc) {
516 		DP_ERR(cdev, "init pci failed\n");
517 		goto err1;
518 	}
519 	DP_INFO(cdev, "PCI init completed successfully\n");
520 
521 	rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
522 	if (rc) {
523 		DP_ERR(cdev, "hw prepare failed\n");
524 		goto err2;
525 	}
526 
527 	DP_INFO(cdev, "%s completed successfully\n", __func__);
528 
529 	return cdev;
530 
531 err2:
532 	qed_free_pci(cdev);
533 err1:
534 	qed_free_cdev(cdev);
535 err0:
536 	return NULL;
537 }
538 
539 static void qed_remove(struct qed_dev *cdev)
540 {
541 	if (!cdev)
542 		return;
543 
544 	qed_hw_remove(cdev);
545 
546 	qed_free_pci(cdev);
547 
548 	qed_set_power_state(cdev, PCI_D3hot);
549 
550 	qed_free_cdev(cdev);
551 }
552 
553 static void qed_disable_msix(struct qed_dev *cdev)
554 {
555 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
556 		pci_disable_msix(cdev->pdev);
557 		kfree(cdev->int_params.msix_table);
558 	} else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
559 		pci_disable_msi(cdev->pdev);
560 	}
561 
562 	memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
563 }
564 
565 static int qed_enable_msix(struct qed_dev *cdev,
566 			   struct qed_int_params *int_params)
567 {
568 	int i, rc, cnt;
569 
570 	cnt = int_params->in.num_vectors;
571 
572 	for (i = 0; i < cnt; i++)
573 		int_params->msix_table[i].entry = i;
574 
575 	rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
576 				   int_params->in.min_msix_cnt, cnt);
577 	if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
578 	    (rc % cdev->num_hwfns)) {
579 		pci_disable_msix(cdev->pdev);
580 
581 		/* If fastpath is initialized, we need at least one interrupt
582 		 * per hwfn [and the slow path interrupts]. New requested number
583 		 * should be a multiple of the number of hwfns.
584 		 */
585 		cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
586 		DP_NOTICE(cdev,
587 			  "Trying to enable MSI-X with less vectors (%d out of %d)\n",
588 			  cnt, int_params->in.num_vectors);
589 		rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
590 					   cnt);
591 		if (!rc)
592 			rc = cnt;
593 	}
594 
595 	/* For VFs, we should return with an error in case we didn't get the
596 	 * exact number of msix vectors as we requested.
597 	 * Not doing that will lead to a crash when starting queues for
598 	 * this VF.
599 	 */
600 	if ((IS_PF(cdev) && rc > 0) || (IS_VF(cdev) && rc == cnt)) {
601 		/* MSI-x configuration was achieved */
602 		int_params->out.int_mode = QED_INT_MODE_MSIX;
603 		int_params->out.num_vectors = rc;
604 		rc = 0;
605 	} else {
606 		DP_NOTICE(cdev,
607 			  "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
608 			  cnt, rc);
609 	}
610 
611 	return rc;
612 }
613 
614 /* This function outputs the int mode and the number of enabled msix vector */
615 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
616 {
617 	struct qed_int_params *int_params = &cdev->int_params;
618 	struct msix_entry *tbl;
619 	int rc = 0, cnt;
620 
621 	switch (int_params->in.int_mode) {
622 	case QED_INT_MODE_MSIX:
623 		/* Allocate MSIX table */
624 		cnt = int_params->in.num_vectors;
625 		int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
626 		if (!int_params->msix_table) {
627 			rc = -ENOMEM;
628 			goto out;
629 		}
630 
631 		/* Enable MSIX */
632 		rc = qed_enable_msix(cdev, int_params);
633 		if (!rc)
634 			goto out;
635 
636 		DP_NOTICE(cdev, "Failed to enable MSI-X\n");
637 		kfree(int_params->msix_table);
638 		if (force_mode)
639 			goto out;
640 		fallthrough;
641 
642 	case QED_INT_MODE_MSI:
643 		if (cdev->num_hwfns == 1) {
644 			rc = pci_enable_msi(cdev->pdev);
645 			if (!rc) {
646 				int_params->out.int_mode = QED_INT_MODE_MSI;
647 				goto out;
648 			}
649 
650 			DP_NOTICE(cdev, "Failed to enable MSI\n");
651 			if (force_mode)
652 				goto out;
653 		}
654 		fallthrough;
655 
656 	case QED_INT_MODE_INTA:
657 			int_params->out.int_mode = QED_INT_MODE_INTA;
658 			rc = 0;
659 			goto out;
660 	default:
661 		DP_NOTICE(cdev, "Unknown int_mode value %d\n",
662 			  int_params->in.int_mode);
663 		rc = -EINVAL;
664 	}
665 
666 out:
667 	if (!rc)
668 		DP_INFO(cdev, "Using %s interrupts\n",
669 			int_params->out.int_mode == QED_INT_MODE_INTA ?
670 			"INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
671 			"MSI" : "MSIX");
672 	cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
673 
674 	return rc;
675 }
676 
677 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
678 				    int index, void(*handler)(void *))
679 {
680 	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
681 	int relative_idx = index / cdev->num_hwfns;
682 
683 	hwfn->simd_proto_handler[relative_idx].func = handler;
684 	hwfn->simd_proto_handler[relative_idx].token = token;
685 }
686 
687 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
688 {
689 	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
690 	int relative_idx = index / cdev->num_hwfns;
691 
692 	memset(&hwfn->simd_proto_handler[relative_idx], 0,
693 	       sizeof(struct qed_simd_fp_handler));
694 }
695 
696 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
697 {
698 	tasklet_schedule((struct tasklet_struct *)tasklet);
699 	return IRQ_HANDLED;
700 }
701 
702 static irqreturn_t qed_single_int(int irq, void *dev_instance)
703 {
704 	struct qed_dev *cdev = (struct qed_dev *)dev_instance;
705 	struct qed_hwfn *hwfn;
706 	irqreturn_t rc = IRQ_NONE;
707 	u64 status;
708 	int i, j;
709 
710 	for (i = 0; i < cdev->num_hwfns; i++) {
711 		status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
712 
713 		if (!status)
714 			continue;
715 
716 		hwfn = &cdev->hwfns[i];
717 
718 		/* Slowpath interrupt */
719 		if (unlikely(status & 0x1)) {
720 			tasklet_schedule(&hwfn->sp_dpc);
721 			status &= ~0x1;
722 			rc = IRQ_HANDLED;
723 		}
724 
725 		/* Fastpath interrupts */
726 		for (j = 0; j < 64; j++) {
727 			if ((0x2ULL << j) & status) {
728 				struct qed_simd_fp_handler *p_handler =
729 					&hwfn->simd_proto_handler[j];
730 
731 				if (p_handler->func)
732 					p_handler->func(p_handler->token);
733 				else
734 					DP_NOTICE(hwfn,
735 						  "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
736 						  j, status);
737 
738 				status &= ~(0x2ULL << j);
739 				rc = IRQ_HANDLED;
740 			}
741 		}
742 
743 		if (unlikely(status))
744 			DP_VERBOSE(hwfn, NETIF_MSG_INTR,
745 				   "got an unknown interrupt status 0x%llx\n",
746 				   status);
747 	}
748 
749 	return rc;
750 }
751 
752 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
753 {
754 	struct qed_dev *cdev = hwfn->cdev;
755 	u32 int_mode;
756 	int rc = 0;
757 	u8 id;
758 
759 	int_mode = cdev->int_params.out.int_mode;
760 	if (int_mode == QED_INT_MODE_MSIX) {
761 		id = hwfn->my_id;
762 		snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
763 			 id, cdev->pdev->bus->number,
764 			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
765 		rc = request_irq(cdev->int_params.msix_table[id].vector,
766 				 qed_msix_sp_int, 0, hwfn->name, &hwfn->sp_dpc);
767 	} else {
768 		unsigned long flags = 0;
769 
770 		snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
771 			 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
772 			 PCI_FUNC(cdev->pdev->devfn));
773 
774 		if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
775 			flags |= IRQF_SHARED;
776 
777 		rc = request_irq(cdev->pdev->irq, qed_single_int,
778 				 flags, cdev->name, cdev);
779 	}
780 
781 	if (rc)
782 		DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
783 	else
784 		DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
785 			   "Requested slowpath %s\n",
786 			   (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
787 
788 	return rc;
789 }
790 
791 static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
792 {
793 	/* Calling the disable function will make sure that any
794 	 * currently-running function is completed. The following call to the
795 	 * enable function makes this sequence a flush-like operation.
796 	 */
797 	if (p_hwfn->b_sp_dpc_enabled) {
798 		tasklet_disable(&p_hwfn->sp_dpc);
799 		tasklet_enable(&p_hwfn->sp_dpc);
800 	}
801 }
802 
803 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
804 {
805 	struct qed_dev *cdev = p_hwfn->cdev;
806 	u8 id = p_hwfn->my_id;
807 	u32 int_mode;
808 
809 	int_mode = cdev->int_params.out.int_mode;
810 	if (int_mode == QED_INT_MODE_MSIX)
811 		synchronize_irq(cdev->int_params.msix_table[id].vector);
812 	else
813 		synchronize_irq(cdev->pdev->irq);
814 
815 	qed_slowpath_tasklet_flush(p_hwfn);
816 }
817 
818 static void qed_slowpath_irq_free(struct qed_dev *cdev)
819 {
820 	int i;
821 
822 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
823 		for_each_hwfn(cdev, i) {
824 			if (!cdev->hwfns[i].b_int_requested)
825 				break;
826 			free_irq(cdev->int_params.msix_table[i].vector,
827 				 &cdev->hwfns[i].sp_dpc);
828 		}
829 	} else {
830 		if (QED_LEADING_HWFN(cdev)->b_int_requested)
831 			free_irq(cdev->pdev->irq, cdev);
832 	}
833 	qed_int_disable_post_isr_release(cdev);
834 }
835 
836 static int qed_nic_stop(struct qed_dev *cdev)
837 {
838 	int i, rc;
839 
840 	rc = qed_hw_stop(cdev);
841 
842 	for (i = 0; i < cdev->num_hwfns; i++) {
843 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
844 
845 		if (p_hwfn->b_sp_dpc_enabled) {
846 			tasklet_disable(&p_hwfn->sp_dpc);
847 			p_hwfn->b_sp_dpc_enabled = false;
848 			DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
849 				   "Disabled sp tasklet [hwfn %d] at %p\n",
850 				   i, &p_hwfn->sp_dpc);
851 		}
852 	}
853 
854 	qed_dbg_pf_exit(cdev);
855 
856 	return rc;
857 }
858 
859 static int qed_nic_setup(struct qed_dev *cdev)
860 {
861 	int rc, i;
862 
863 	/* Determine if interface is going to require LL2 */
864 	if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
865 		for (i = 0; i < cdev->num_hwfns; i++) {
866 			struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
867 
868 			p_hwfn->using_ll2 = true;
869 		}
870 	}
871 
872 	rc = qed_resc_alloc(cdev);
873 	if (rc)
874 		return rc;
875 
876 	DP_INFO(cdev, "Allocated qed resources\n");
877 
878 	qed_resc_setup(cdev);
879 
880 	return rc;
881 }
882 
883 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
884 {
885 	int limit = 0;
886 
887 	/* Mark the fastpath as free/used */
888 	cdev->int_params.fp_initialized = cnt ? true : false;
889 
890 	if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
891 		limit = cdev->num_hwfns * 63;
892 	else if (cdev->int_params.fp_msix_cnt)
893 		limit = cdev->int_params.fp_msix_cnt;
894 
895 	if (!limit)
896 		return -ENOMEM;
897 
898 	return min_t(int, cnt, limit);
899 }
900 
901 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
902 {
903 	memset(info, 0, sizeof(struct qed_int_info));
904 
905 	if (!cdev->int_params.fp_initialized) {
906 		DP_INFO(cdev,
907 			"Protocol driver requested interrupt information, but its support is not yet configured\n");
908 		return -EINVAL;
909 	}
910 
911 	/* Need to expose only MSI-X information; Single IRQ is handled solely
912 	 * by qed.
913 	 */
914 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
915 		int msix_base = cdev->int_params.fp_msix_base;
916 
917 		info->msix_cnt = cdev->int_params.fp_msix_cnt;
918 		info->msix = &cdev->int_params.msix_table[msix_base];
919 	}
920 
921 	return 0;
922 }
923 
924 static int qed_slowpath_setup_int(struct qed_dev *cdev,
925 				  enum qed_int_mode int_mode)
926 {
927 	struct qed_sb_cnt_info sb_cnt_info;
928 	int num_l2_queues = 0;
929 	int rc;
930 	int i;
931 
932 	if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
933 		DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
934 		return -EINVAL;
935 	}
936 
937 	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
938 	cdev->int_params.in.int_mode = int_mode;
939 	for_each_hwfn(cdev, i) {
940 		memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
941 		qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
942 		cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
943 		cdev->int_params.in.num_vectors++; /* slowpath */
944 	}
945 
946 	/* We want a minimum of one slowpath and one fastpath vector per hwfn */
947 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
948 
949 	if (is_kdump_kernel()) {
950 		DP_INFO(cdev,
951 			"Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
952 			cdev->int_params.in.min_msix_cnt);
953 		cdev->int_params.in.num_vectors =
954 			cdev->int_params.in.min_msix_cnt;
955 	}
956 
957 	rc = qed_set_int_mode(cdev, false);
958 	if (rc)  {
959 		DP_ERR(cdev, "%s ERR\n", __func__);
960 		return rc;
961 	}
962 
963 	cdev->int_params.fp_msix_base = cdev->num_hwfns;
964 	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
965 				       cdev->num_hwfns;
966 
967 	if (!IS_ENABLED(CONFIG_QED_RDMA) ||
968 	    !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
969 		return 0;
970 
971 	for_each_hwfn(cdev, i)
972 		num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
973 
974 	DP_VERBOSE(cdev, QED_MSG_RDMA,
975 		   "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
976 		   cdev->int_params.fp_msix_cnt, num_l2_queues);
977 
978 	if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
979 		cdev->int_params.rdma_msix_cnt =
980 			(cdev->int_params.fp_msix_cnt - num_l2_queues)
981 			/ cdev->num_hwfns;
982 		cdev->int_params.rdma_msix_base =
983 			cdev->int_params.fp_msix_base + num_l2_queues;
984 		cdev->int_params.fp_msix_cnt = num_l2_queues;
985 	} else {
986 		cdev->int_params.rdma_msix_cnt = 0;
987 	}
988 
989 	DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
990 		   cdev->int_params.rdma_msix_cnt,
991 		   cdev->int_params.rdma_msix_base);
992 
993 	return 0;
994 }
995 
996 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
997 {
998 	int rc;
999 
1000 	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
1001 	cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
1002 
1003 	qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
1004 			    &cdev->int_params.in.num_vectors);
1005 	if (cdev->num_hwfns > 1) {
1006 		u8 vectors = 0;
1007 
1008 		qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
1009 		cdev->int_params.in.num_vectors += vectors;
1010 	}
1011 
1012 	/* We want a minimum of one fastpath vector per vf hwfn */
1013 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
1014 
1015 	rc = qed_set_int_mode(cdev, true);
1016 	if (rc)
1017 		return rc;
1018 
1019 	cdev->int_params.fp_msix_base = 0;
1020 	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
1021 
1022 	return 0;
1023 }
1024 
1025 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
1026 		   u8 *input_buf, u32 max_size, u8 *unzip_buf)
1027 {
1028 	int rc;
1029 
1030 	p_hwfn->stream->next_in = input_buf;
1031 	p_hwfn->stream->avail_in = input_len;
1032 	p_hwfn->stream->next_out = unzip_buf;
1033 	p_hwfn->stream->avail_out = max_size;
1034 
1035 	rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
1036 
1037 	if (rc != Z_OK) {
1038 		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
1039 			   rc);
1040 		return 0;
1041 	}
1042 
1043 	rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
1044 	zlib_inflateEnd(p_hwfn->stream);
1045 
1046 	if (rc != Z_OK && rc != Z_STREAM_END) {
1047 		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
1048 			   p_hwfn->stream->msg, rc);
1049 		return 0;
1050 	}
1051 
1052 	return p_hwfn->stream->total_out / 4;
1053 }
1054 
1055 static int qed_alloc_stream_mem(struct qed_dev *cdev)
1056 {
1057 	int i;
1058 	void *workspace;
1059 
1060 	for_each_hwfn(cdev, i) {
1061 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1062 
1063 		p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
1064 		if (!p_hwfn->stream)
1065 			return -ENOMEM;
1066 
1067 		workspace = vzalloc(zlib_inflate_workspacesize());
1068 		if (!workspace)
1069 			return -ENOMEM;
1070 		p_hwfn->stream->workspace = workspace;
1071 	}
1072 
1073 	return 0;
1074 }
1075 
1076 static void qed_free_stream_mem(struct qed_dev *cdev)
1077 {
1078 	int i;
1079 
1080 	for_each_hwfn(cdev, i) {
1081 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1082 
1083 		if (!p_hwfn->stream)
1084 			return;
1085 
1086 		vfree(p_hwfn->stream->workspace);
1087 		kfree(p_hwfn->stream);
1088 	}
1089 }
1090 
1091 static void qed_update_pf_params(struct qed_dev *cdev,
1092 				 struct qed_pf_params *params)
1093 {
1094 	int i;
1095 
1096 	if (IS_ENABLED(CONFIG_QED_RDMA)) {
1097 		params->rdma_pf_params.num_qps = QED_ROCE_QPS;
1098 		params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
1099 		params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
1100 		/* divide by 3 the MRs to avoid MF ILT overflow */
1101 		params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
1102 	}
1103 
1104 	if (cdev->num_hwfns > 1 || IS_VF(cdev))
1105 		params->eth_pf_params.num_arfs_filters = 0;
1106 
1107 	/* In case we might support RDMA, don't allow qede to be greedy
1108 	 * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
1109 	 * per hwfn.
1110 	 */
1111 	if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
1112 		u16 *num_cons;
1113 
1114 		num_cons = &params->eth_pf_params.num_cons;
1115 		*num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
1116 	}
1117 
1118 	for (i = 0; i < cdev->num_hwfns; i++) {
1119 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1120 
1121 		p_hwfn->pf_params = *params;
1122 	}
1123 }
1124 
1125 #define QED_PERIODIC_DB_REC_COUNT		10
1126 #define QED_PERIODIC_DB_REC_INTERVAL_MS		100
1127 #define QED_PERIODIC_DB_REC_INTERVAL \
1128 	msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
1129 
1130 static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
1131 				     enum qed_slowpath_wq_flag wq_flag,
1132 				     unsigned long delay)
1133 {
1134 	if (!hwfn->slowpath_wq_active)
1135 		return -EINVAL;
1136 
1137 	/* Memory barrier for setting atomic bit */
1138 	smp_mb__before_atomic();
1139 	set_bit(wq_flag, &hwfn->slowpath_task_flags);
1140 	/* Memory barrier after setting atomic bit */
1141 	smp_mb__after_atomic();
1142 	queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
1143 
1144 	return 0;
1145 }
1146 
1147 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
1148 {
1149 	/* Reset periodic Doorbell Recovery counter */
1150 	p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1151 
1152 	/* Don't schedule periodic Doorbell Recovery if already scheduled */
1153 	if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1154 		     &p_hwfn->slowpath_task_flags))
1155 		return;
1156 
1157 	qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1158 				  QED_PERIODIC_DB_REC_INTERVAL);
1159 }
1160 
1161 static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1162 {
1163 	int i;
1164 
1165 	if (IS_VF(cdev))
1166 		return;
1167 
1168 	for_each_hwfn(cdev, i) {
1169 		if (!cdev->hwfns[i].slowpath_wq)
1170 			continue;
1171 
1172 		/* Stop queuing new delayed works */
1173 		cdev->hwfns[i].slowpath_wq_active = false;
1174 
1175 		cancel_delayed_work(&cdev->hwfns[i].slowpath_task);
1176 		destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1177 	}
1178 }
1179 
1180 static void qed_slowpath_task(struct work_struct *work)
1181 {
1182 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1183 					     slowpath_task.work);
1184 	struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1185 
1186 	if (!ptt) {
1187 		if (hwfn->slowpath_wq_active)
1188 			queue_delayed_work(hwfn->slowpath_wq,
1189 					   &hwfn->slowpath_task, 0);
1190 
1191 		return;
1192 	}
1193 
1194 	if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1195 			       &hwfn->slowpath_task_flags))
1196 		qed_mfw_process_tlv_req(hwfn, ptt);
1197 
1198 	if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1199 			       &hwfn->slowpath_task_flags)) {
1200 		/* skip qed_db_rec_handler during recovery/unload */
1201 		if (hwfn->cdev->recov_in_prog || !hwfn->slowpath_wq_active)
1202 			goto out;
1203 
1204 		qed_db_rec_handler(hwfn, ptt);
1205 		if (hwfn->periodic_db_rec_count--)
1206 			qed_slowpath_delayed_work(hwfn,
1207 						  QED_SLOWPATH_PERIODIC_DB_REC,
1208 						  QED_PERIODIC_DB_REC_INTERVAL);
1209 	}
1210 
1211 out:
1212 	qed_ptt_release(hwfn, ptt);
1213 }
1214 
1215 static int qed_slowpath_wq_start(struct qed_dev *cdev)
1216 {
1217 	struct qed_hwfn *hwfn;
1218 	char name[NAME_SIZE];
1219 	int i;
1220 
1221 	if (IS_VF(cdev))
1222 		return 0;
1223 
1224 	for_each_hwfn(cdev, i) {
1225 		hwfn = &cdev->hwfns[i];
1226 
1227 		snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1228 			 cdev->pdev->bus->number,
1229 			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1230 
1231 		hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1232 		if (!hwfn->slowpath_wq) {
1233 			DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1234 			return -ENOMEM;
1235 		}
1236 
1237 		INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1238 		hwfn->slowpath_wq_active = true;
1239 	}
1240 
1241 	return 0;
1242 }
1243 
1244 static int qed_slowpath_start(struct qed_dev *cdev,
1245 			      struct qed_slowpath_params *params)
1246 {
1247 	struct qed_drv_load_params drv_load_params;
1248 	struct qed_hw_init_params hw_init_params;
1249 	struct qed_mcp_drv_version drv_version;
1250 	struct qed_tunnel_info tunn_info;
1251 	const u8 *data = NULL;
1252 	struct qed_hwfn *hwfn;
1253 	struct qed_ptt *p_ptt;
1254 	int rc = -EINVAL;
1255 
1256 	if (qed_iov_wq_start(cdev))
1257 		goto err;
1258 
1259 	if (qed_slowpath_wq_start(cdev))
1260 		goto err;
1261 
1262 	if (IS_PF(cdev)) {
1263 		rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1264 				      &cdev->pdev->dev);
1265 		if (rc) {
1266 			DP_NOTICE(cdev,
1267 				  "Failed to find fw file - /lib/firmware/%s\n",
1268 				  QED_FW_FILE_NAME);
1269 			goto err;
1270 		}
1271 
1272 		if (cdev->num_hwfns == 1) {
1273 			p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1274 			if (p_ptt) {
1275 				QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1276 			} else {
1277 				DP_NOTICE(cdev,
1278 					  "Failed to acquire PTT for aRFS\n");
1279 				rc = -EINVAL;
1280 				goto err;
1281 			}
1282 		}
1283 	}
1284 
1285 	cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1286 	rc = qed_nic_setup(cdev);
1287 	if (rc)
1288 		goto err;
1289 
1290 	if (IS_PF(cdev))
1291 		rc = qed_slowpath_setup_int(cdev, params->int_mode);
1292 	else
1293 		rc = qed_slowpath_vf_setup_int(cdev);
1294 	if (rc)
1295 		goto err1;
1296 
1297 	if (IS_PF(cdev)) {
1298 		/* Allocate stream for unzipping */
1299 		rc = qed_alloc_stream_mem(cdev);
1300 		if (rc)
1301 			goto err2;
1302 
1303 		/* First Dword used to differentiate between various sources */
1304 		data = cdev->firmware->data + sizeof(u32);
1305 
1306 		qed_dbg_pf_init(cdev);
1307 	}
1308 
1309 	/* Start the slowpath */
1310 	memset(&hw_init_params, 0, sizeof(hw_init_params));
1311 	memset(&tunn_info, 0, sizeof(tunn_info));
1312 	tunn_info.vxlan.b_mode_enabled = true;
1313 	tunn_info.l2_gre.b_mode_enabled = true;
1314 	tunn_info.ip_gre.b_mode_enabled = true;
1315 	tunn_info.l2_geneve.b_mode_enabled = true;
1316 	tunn_info.ip_geneve.b_mode_enabled = true;
1317 	tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1318 	tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1319 	tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1320 	tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1321 	tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1322 	hw_init_params.p_tunn = &tunn_info;
1323 	hw_init_params.b_hw_start = true;
1324 	hw_init_params.int_mode = cdev->int_params.out.int_mode;
1325 	hw_init_params.allow_npar_tx_switch = true;
1326 	hw_init_params.bin_fw_data = data;
1327 
1328 	memset(&drv_load_params, 0, sizeof(drv_load_params));
1329 	drv_load_params.is_crash_kernel = is_kdump_kernel();
1330 	drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1331 	drv_load_params.avoid_eng_reset = false;
1332 	drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1333 	hw_init_params.p_drv_load_params = &drv_load_params;
1334 
1335 	rc = qed_hw_init(cdev, &hw_init_params);
1336 	if (rc)
1337 		goto err2;
1338 
1339 	DP_INFO(cdev,
1340 		"HW initialization and function start completed successfully\n");
1341 
1342 	if (IS_PF(cdev)) {
1343 		cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1344 					   BIT(QED_MODE_L2GENEVE_TUNN) |
1345 					   BIT(QED_MODE_IPGENEVE_TUNN) |
1346 					   BIT(QED_MODE_L2GRE_TUNN) |
1347 					   BIT(QED_MODE_IPGRE_TUNN));
1348 	}
1349 
1350 	/* Allocate LL2 interface if needed */
1351 	if (QED_LEADING_HWFN(cdev)->using_ll2) {
1352 		rc = qed_ll2_alloc_if(cdev);
1353 		if (rc)
1354 			goto err3;
1355 	}
1356 	if (IS_PF(cdev)) {
1357 		hwfn = QED_LEADING_HWFN(cdev);
1358 		drv_version.version = (params->drv_major << 24) |
1359 				      (params->drv_minor << 16) |
1360 				      (params->drv_rev << 8) |
1361 				      (params->drv_eng);
1362 		strscpy(drv_version.name, params->name,
1363 			MCP_DRV_VER_STR_SIZE - 4);
1364 		rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1365 					      &drv_version);
1366 		if (rc) {
1367 			DP_NOTICE(cdev, "Failed sending drv version command\n");
1368 			goto err4;
1369 		}
1370 	}
1371 
1372 	qed_reset_vport_stats(cdev);
1373 
1374 	return 0;
1375 
1376 err4:
1377 	qed_ll2_dealloc_if(cdev);
1378 err3:
1379 	qed_hw_stop(cdev);
1380 err2:
1381 	qed_hw_timers_stop_all(cdev);
1382 	if (IS_PF(cdev))
1383 		qed_slowpath_irq_free(cdev);
1384 	qed_free_stream_mem(cdev);
1385 	qed_disable_msix(cdev);
1386 err1:
1387 	qed_resc_free(cdev);
1388 err:
1389 	if (IS_PF(cdev))
1390 		release_firmware(cdev->firmware);
1391 
1392 	if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1393 	    QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1394 		qed_ptt_release(QED_LEADING_HWFN(cdev),
1395 				QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1396 
1397 	qed_iov_wq_stop(cdev, false);
1398 
1399 	qed_slowpath_wq_stop(cdev);
1400 
1401 	return rc;
1402 }
1403 
1404 static int qed_slowpath_stop(struct qed_dev *cdev)
1405 {
1406 	if (!cdev)
1407 		return -ENODEV;
1408 
1409 	qed_slowpath_wq_stop(cdev);
1410 
1411 	qed_ll2_dealloc_if(cdev);
1412 
1413 	if (IS_PF(cdev)) {
1414 		if (cdev->num_hwfns == 1)
1415 			qed_ptt_release(QED_LEADING_HWFN(cdev),
1416 					QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1417 		qed_free_stream_mem(cdev);
1418 		if (IS_QED_ETH_IF(cdev))
1419 			qed_sriov_disable(cdev, true);
1420 	}
1421 
1422 	qed_nic_stop(cdev);
1423 
1424 	if (IS_PF(cdev))
1425 		qed_slowpath_irq_free(cdev);
1426 
1427 	qed_disable_msix(cdev);
1428 
1429 	qed_resc_free(cdev);
1430 
1431 	qed_iov_wq_stop(cdev, true);
1432 
1433 	if (IS_PF(cdev))
1434 		release_firmware(cdev->firmware);
1435 
1436 	return 0;
1437 }
1438 
1439 static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1440 {
1441 	int i;
1442 
1443 	memcpy(cdev->name, name, NAME_SIZE);
1444 	for_each_hwfn(cdev, i)
1445 		snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1446 }
1447 
1448 static u32 qed_sb_init(struct qed_dev *cdev,
1449 		       struct qed_sb_info *sb_info,
1450 		       void *sb_virt_addr,
1451 		       dma_addr_t sb_phy_addr, u16 sb_id,
1452 		       enum qed_sb_type type)
1453 {
1454 	struct qed_hwfn *p_hwfn;
1455 	struct qed_ptt *p_ptt;
1456 	u16 rel_sb_id;
1457 	u32 rc;
1458 
1459 	/* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1460 	if (type == QED_SB_TYPE_L2_QUEUE) {
1461 		p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1462 		rel_sb_id = sb_id / cdev->num_hwfns;
1463 	} else {
1464 		p_hwfn = QED_AFFIN_HWFN(cdev);
1465 		rel_sb_id = sb_id;
1466 	}
1467 
1468 	DP_VERBOSE(cdev, NETIF_MSG_INTR,
1469 		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1470 		   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1471 
1472 	if (IS_PF(p_hwfn->cdev)) {
1473 		p_ptt = qed_ptt_acquire(p_hwfn);
1474 		if (!p_ptt)
1475 			return -EBUSY;
1476 
1477 		rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1478 				     sb_phy_addr, rel_sb_id);
1479 		qed_ptt_release(p_hwfn, p_ptt);
1480 	} else {
1481 		rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1482 				     sb_phy_addr, rel_sb_id);
1483 	}
1484 
1485 	return rc;
1486 }
1487 
1488 static u32 qed_sb_release(struct qed_dev *cdev,
1489 			  struct qed_sb_info *sb_info,
1490 			  u16 sb_id,
1491 			  enum qed_sb_type type)
1492 {
1493 	struct qed_hwfn *p_hwfn;
1494 	u16 rel_sb_id;
1495 	u32 rc;
1496 
1497 	/* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1498 	if (type == QED_SB_TYPE_L2_QUEUE) {
1499 		p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1500 		rel_sb_id = sb_id / cdev->num_hwfns;
1501 	} else {
1502 		p_hwfn = QED_AFFIN_HWFN(cdev);
1503 		rel_sb_id = sb_id;
1504 	}
1505 
1506 	DP_VERBOSE(cdev, NETIF_MSG_INTR,
1507 		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1508 		   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1509 
1510 	rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1511 
1512 	return rc;
1513 }
1514 
1515 static bool qed_can_link_change(struct qed_dev *cdev)
1516 {
1517 	return true;
1518 }
1519 
1520 static void qed_set_ext_speed_params(struct qed_mcp_link_params *link_params,
1521 				     const struct qed_link_params *params)
1522 {
1523 	struct qed_mcp_link_speed_params *ext_speed = &link_params->ext_speed;
1524 	const struct qed_mfw_speed_map *map;
1525 	u32 i;
1526 
1527 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1528 		ext_speed->autoneg = !!params->autoneg;
1529 
1530 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1531 		ext_speed->advertised_speeds = 0;
1532 
1533 		for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++) {
1534 			map = qed_mfw_ext_maps + i;
1535 
1536 			if (linkmode_intersects(params->adv_speeds, map->caps))
1537 				ext_speed->advertised_speeds |= map->mfw_val;
1538 		}
1539 	}
1540 
1541 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED) {
1542 		switch (params->forced_speed) {
1543 		case SPEED_1000:
1544 			ext_speed->forced_speed = QED_EXT_SPEED_1G;
1545 			break;
1546 		case SPEED_10000:
1547 			ext_speed->forced_speed = QED_EXT_SPEED_10G;
1548 			break;
1549 		case SPEED_20000:
1550 			ext_speed->forced_speed = QED_EXT_SPEED_20G;
1551 			break;
1552 		case SPEED_25000:
1553 			ext_speed->forced_speed = QED_EXT_SPEED_25G;
1554 			break;
1555 		case SPEED_40000:
1556 			ext_speed->forced_speed = QED_EXT_SPEED_40G;
1557 			break;
1558 		case SPEED_50000:
1559 			ext_speed->forced_speed = QED_EXT_SPEED_50G_R |
1560 						  QED_EXT_SPEED_50G_R2;
1561 			break;
1562 		case SPEED_100000:
1563 			ext_speed->forced_speed = QED_EXT_SPEED_100G_R2 |
1564 						  QED_EXT_SPEED_100G_R4 |
1565 						  QED_EXT_SPEED_100G_P4;
1566 			break;
1567 		default:
1568 			break;
1569 		}
1570 	}
1571 
1572 	if (!(params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG))
1573 		return;
1574 
1575 	switch (params->forced_speed) {
1576 	case SPEED_25000:
1577 		switch (params->fec) {
1578 		case FEC_FORCE_MODE_NONE:
1579 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_NONE;
1580 			break;
1581 		case FEC_FORCE_MODE_FIRECODE:
1582 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_BASE_R;
1583 			break;
1584 		case FEC_FORCE_MODE_RS:
1585 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528;
1586 			break;
1587 		case FEC_FORCE_MODE_AUTO:
1588 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528 |
1589 						    ETH_EXT_FEC_25G_BASE_R |
1590 						    ETH_EXT_FEC_25G_NONE;
1591 			break;
1592 		default:
1593 			break;
1594 		}
1595 
1596 		break;
1597 	case SPEED_40000:
1598 		switch (params->fec) {
1599 		case FEC_FORCE_MODE_NONE:
1600 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_NONE;
1601 			break;
1602 		case FEC_FORCE_MODE_FIRECODE:
1603 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R;
1604 			break;
1605 		case FEC_FORCE_MODE_AUTO:
1606 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R |
1607 						    ETH_EXT_FEC_40G_NONE;
1608 			break;
1609 		default:
1610 			break;
1611 		}
1612 
1613 		break;
1614 	case SPEED_50000:
1615 		switch (params->fec) {
1616 		case FEC_FORCE_MODE_NONE:
1617 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_NONE;
1618 			break;
1619 		case FEC_FORCE_MODE_FIRECODE:
1620 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_BASE_R;
1621 			break;
1622 		case FEC_FORCE_MODE_RS:
1623 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528;
1624 			break;
1625 		case FEC_FORCE_MODE_AUTO:
1626 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528 |
1627 						    ETH_EXT_FEC_50G_BASE_R |
1628 						    ETH_EXT_FEC_50G_NONE;
1629 			break;
1630 		default:
1631 			break;
1632 		}
1633 
1634 		break;
1635 	case SPEED_100000:
1636 		switch (params->fec) {
1637 		case FEC_FORCE_MODE_NONE:
1638 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_NONE;
1639 			break;
1640 		case FEC_FORCE_MODE_FIRECODE:
1641 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_BASE_R;
1642 			break;
1643 		case FEC_FORCE_MODE_RS:
1644 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528;
1645 			break;
1646 		case FEC_FORCE_MODE_AUTO:
1647 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528 |
1648 						    ETH_EXT_FEC_100G_BASE_R |
1649 						    ETH_EXT_FEC_100G_NONE;
1650 			break;
1651 		default:
1652 			break;
1653 		}
1654 
1655 		break;
1656 	default:
1657 		break;
1658 	}
1659 }
1660 
1661 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1662 {
1663 	struct qed_mcp_link_params *link_params;
1664 	struct qed_mcp_link_speed_params *speed;
1665 	const struct qed_mfw_speed_map *map;
1666 	struct qed_hwfn *hwfn;
1667 	struct qed_ptt *ptt;
1668 	int rc;
1669 	u32 i;
1670 
1671 	if (!cdev)
1672 		return -ENODEV;
1673 
1674 	/* The link should be set only once per PF */
1675 	hwfn = &cdev->hwfns[0];
1676 
1677 	/* When VF wants to set link, force it to read the bulletin instead.
1678 	 * This mimics the PF behavior, where a noitification [both immediate
1679 	 * and possible later] would be generated when changing properties.
1680 	 */
1681 	if (IS_VF(cdev)) {
1682 		qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1683 		return 0;
1684 	}
1685 
1686 	ptt = qed_ptt_acquire(hwfn);
1687 	if (!ptt)
1688 		return -EBUSY;
1689 
1690 	link_params = qed_mcp_get_link_params(hwfn);
1691 	if (!link_params)
1692 		return -ENODATA;
1693 
1694 	speed = &link_params->speed;
1695 
1696 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1697 		speed->autoneg = !!params->autoneg;
1698 
1699 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1700 		speed->advertised_speeds = 0;
1701 
1702 		for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++) {
1703 			map = qed_mfw_legacy_maps + i;
1704 
1705 			if (linkmode_intersects(params->adv_speeds, map->caps))
1706 				speed->advertised_speeds |= map->mfw_val;
1707 		}
1708 	}
1709 
1710 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1711 		speed->forced_speed = params->forced_speed;
1712 
1713 	if (qed_mcp_is_ext_speed_supported(hwfn))
1714 		qed_set_ext_speed_params(link_params, params);
1715 
1716 	if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1717 		if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1718 			link_params->pause.autoneg = true;
1719 		else
1720 			link_params->pause.autoneg = false;
1721 		if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1722 			link_params->pause.forced_rx = true;
1723 		else
1724 			link_params->pause.forced_rx = false;
1725 		if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1726 			link_params->pause.forced_tx = true;
1727 		else
1728 			link_params->pause.forced_tx = false;
1729 	}
1730 
1731 	if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1732 		switch (params->loopback_mode) {
1733 		case QED_LINK_LOOPBACK_INT_PHY:
1734 			link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1735 			break;
1736 		case QED_LINK_LOOPBACK_EXT_PHY:
1737 			link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1738 			break;
1739 		case QED_LINK_LOOPBACK_EXT:
1740 			link_params->loopback_mode = ETH_LOOPBACK_EXT;
1741 			break;
1742 		case QED_LINK_LOOPBACK_MAC:
1743 			link_params->loopback_mode = ETH_LOOPBACK_MAC;
1744 			break;
1745 		case QED_LINK_LOOPBACK_CNIG_AH_ONLY_0123:
1746 			link_params->loopback_mode =
1747 				ETH_LOOPBACK_CNIG_AH_ONLY_0123;
1748 			break;
1749 		case QED_LINK_LOOPBACK_CNIG_AH_ONLY_2301:
1750 			link_params->loopback_mode =
1751 				ETH_LOOPBACK_CNIG_AH_ONLY_2301;
1752 			break;
1753 		case QED_LINK_LOOPBACK_PCS_AH_ONLY:
1754 			link_params->loopback_mode = ETH_LOOPBACK_PCS_AH_ONLY;
1755 			break;
1756 		case QED_LINK_LOOPBACK_REVERSE_MAC_AH_ONLY:
1757 			link_params->loopback_mode =
1758 				ETH_LOOPBACK_REVERSE_MAC_AH_ONLY;
1759 			break;
1760 		case QED_LINK_LOOPBACK_INT_PHY_FEA_AH_ONLY:
1761 			link_params->loopback_mode =
1762 				ETH_LOOPBACK_INT_PHY_FEA_AH_ONLY;
1763 			break;
1764 		default:
1765 			link_params->loopback_mode = ETH_LOOPBACK_NONE;
1766 			break;
1767 		}
1768 	}
1769 
1770 	if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1771 		memcpy(&link_params->eee, &params->eee,
1772 		       sizeof(link_params->eee));
1773 
1774 	if (params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG)
1775 		link_params->fec = params->fec;
1776 
1777 	rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1778 
1779 	qed_ptt_release(hwfn, ptt);
1780 
1781 	return rc;
1782 }
1783 
1784 static int qed_get_port_type(u32 media_type)
1785 {
1786 	int port_type;
1787 
1788 	switch (media_type) {
1789 	case MEDIA_SFPP_10G_FIBER:
1790 	case MEDIA_SFP_1G_FIBER:
1791 	case MEDIA_XFP_FIBER:
1792 	case MEDIA_MODULE_FIBER:
1793 		port_type = PORT_FIBRE;
1794 		break;
1795 	case MEDIA_DA_TWINAX:
1796 		port_type = PORT_DA;
1797 		break;
1798 	case MEDIA_BASE_T:
1799 		port_type = PORT_TP;
1800 		break;
1801 	case MEDIA_KR:
1802 	case MEDIA_NOT_PRESENT:
1803 		port_type = PORT_NONE;
1804 		break;
1805 	case MEDIA_UNSPECIFIED:
1806 	default:
1807 		port_type = PORT_OTHER;
1808 		break;
1809 	}
1810 	return port_type;
1811 }
1812 
1813 static int qed_get_link_data(struct qed_hwfn *hwfn,
1814 			     struct qed_mcp_link_params *params,
1815 			     struct qed_mcp_link_state *link,
1816 			     struct qed_mcp_link_capabilities *link_caps)
1817 {
1818 	void *p;
1819 
1820 	if (!IS_PF(hwfn->cdev)) {
1821 		qed_vf_get_link_params(hwfn, params);
1822 		qed_vf_get_link_state(hwfn, link);
1823 		qed_vf_get_link_caps(hwfn, link_caps);
1824 
1825 		return 0;
1826 	}
1827 
1828 	p = qed_mcp_get_link_params(hwfn);
1829 	if (!p)
1830 		return -ENXIO;
1831 	memcpy(params, p, sizeof(*params));
1832 
1833 	p = qed_mcp_get_link_state(hwfn);
1834 	if (!p)
1835 		return -ENXIO;
1836 	memcpy(link, p, sizeof(*link));
1837 
1838 	p = qed_mcp_get_link_capabilities(hwfn);
1839 	if (!p)
1840 		return -ENXIO;
1841 	memcpy(link_caps, p, sizeof(*link_caps));
1842 
1843 	return 0;
1844 }
1845 
1846 static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1847 				     struct qed_ptt *ptt, u32 capability,
1848 				     unsigned long *if_caps)
1849 {
1850 	u32 media_type, tcvr_state, tcvr_type;
1851 	u32 speed_mask, board_cfg;
1852 
1853 	if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1854 		media_type = MEDIA_UNSPECIFIED;
1855 
1856 	if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1857 		tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1858 
1859 	if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1860 		speed_mask = 0xFFFFFFFF;
1861 
1862 	if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1863 		board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1864 
1865 	DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1866 		   "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1867 		   media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1868 
1869 	switch (media_type) {
1870 	case MEDIA_DA_TWINAX:
1871 		phylink_set(if_caps, FIBRE);
1872 
1873 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1874 			phylink_set(if_caps, 20000baseKR2_Full);
1875 
1876 		/* For DAC media multiple speed capabilities are supported */
1877 		capability |= speed_mask;
1878 
1879 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1880 			phylink_set(if_caps, 1000baseKX_Full);
1881 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1882 			phylink_set(if_caps, 10000baseCR_Full);
1883 
1884 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1885 			switch (tcvr_type) {
1886 			case ETH_TRANSCEIVER_TYPE_40G_CR4:
1887 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
1888 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1889 				phylink_set(if_caps, 40000baseCR4_Full);
1890 				break;
1891 			default:
1892 				break;
1893 			}
1894 
1895 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1896 			phylink_set(if_caps, 25000baseCR_Full);
1897 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1898 			phylink_set(if_caps, 50000baseCR2_Full);
1899 
1900 		if (capability &
1901 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1902 			switch (tcvr_type) {
1903 			case ETH_TRANSCEIVER_TYPE_100G_CR4:
1904 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1905 				phylink_set(if_caps, 100000baseCR4_Full);
1906 				break;
1907 			default:
1908 				break;
1909 			}
1910 
1911 		break;
1912 	case MEDIA_BASE_T:
1913 		phylink_set(if_caps, TP);
1914 
1915 		if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1916 			if (capability &
1917 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1918 				phylink_set(if_caps, 1000baseT_Full);
1919 			if (capability &
1920 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1921 				phylink_set(if_caps, 10000baseT_Full);
1922 		}
1923 
1924 		if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1925 			phylink_set(if_caps, FIBRE);
1926 
1927 			switch (tcvr_type) {
1928 			case ETH_TRANSCEIVER_TYPE_1000BASET:
1929 				phylink_set(if_caps, 1000baseT_Full);
1930 				break;
1931 			case ETH_TRANSCEIVER_TYPE_10G_BASET:
1932 				phylink_set(if_caps, 10000baseT_Full);
1933 				break;
1934 			default:
1935 				break;
1936 			}
1937 		}
1938 
1939 		break;
1940 	case MEDIA_SFP_1G_FIBER:
1941 	case MEDIA_SFPP_10G_FIBER:
1942 	case MEDIA_XFP_FIBER:
1943 	case MEDIA_MODULE_FIBER:
1944 		phylink_set(if_caps, FIBRE);
1945 		capability |= speed_mask;
1946 
1947 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1948 			switch (tcvr_type) {
1949 			case ETH_TRANSCEIVER_TYPE_1G_LX:
1950 			case ETH_TRANSCEIVER_TYPE_1G_SX:
1951 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1952 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1953 				phylink_set(if_caps, 1000baseKX_Full);
1954 				break;
1955 			default:
1956 				break;
1957 			}
1958 
1959 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1960 			switch (tcvr_type) {
1961 			case ETH_TRANSCEIVER_TYPE_10G_SR:
1962 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1963 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1964 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1965 				phylink_set(if_caps, 10000baseSR_Full);
1966 				break;
1967 			case ETH_TRANSCEIVER_TYPE_10G_LR:
1968 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1969 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
1970 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1971 				phylink_set(if_caps, 10000baseLR_Full);
1972 				break;
1973 			case ETH_TRANSCEIVER_TYPE_10G_LRM:
1974 				phylink_set(if_caps, 10000baseLRM_Full);
1975 				break;
1976 			case ETH_TRANSCEIVER_TYPE_10G_ER:
1977 				phylink_set(if_caps, 10000baseR_FEC);
1978 				break;
1979 			default:
1980 				break;
1981 			}
1982 
1983 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1984 			phylink_set(if_caps, 20000baseKR2_Full);
1985 
1986 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1987 			switch (tcvr_type) {
1988 			case ETH_TRANSCEIVER_TYPE_25G_SR:
1989 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1990 				phylink_set(if_caps, 25000baseSR_Full);
1991 				break;
1992 			default:
1993 				break;
1994 			}
1995 
1996 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1997 			switch (tcvr_type) {
1998 			case ETH_TRANSCEIVER_TYPE_40G_LR4:
1999 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2000 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2001 				phylink_set(if_caps, 40000baseLR4_Full);
2002 				break;
2003 			case ETH_TRANSCEIVER_TYPE_40G_SR4:
2004 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2005 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2006 				phylink_set(if_caps, 40000baseSR4_Full);
2007 				break;
2008 			default:
2009 				break;
2010 			}
2011 
2012 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2013 			phylink_set(if_caps, 50000baseKR2_Full);
2014 
2015 		if (capability &
2016 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2017 			switch (tcvr_type) {
2018 			case ETH_TRANSCEIVER_TYPE_100G_SR4:
2019 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2020 				phylink_set(if_caps, 100000baseSR4_Full);
2021 				break;
2022 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2023 				phylink_set(if_caps, 100000baseLR4_ER4_Full);
2024 				break;
2025 			default:
2026 				break;
2027 			}
2028 
2029 		break;
2030 	case MEDIA_KR:
2031 		phylink_set(if_caps, Backplane);
2032 
2033 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
2034 			phylink_set(if_caps, 20000baseKR2_Full);
2035 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
2036 			phylink_set(if_caps, 1000baseKX_Full);
2037 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
2038 			phylink_set(if_caps, 10000baseKR_Full);
2039 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2040 			phylink_set(if_caps, 25000baseKR_Full);
2041 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2042 			phylink_set(if_caps, 40000baseKR4_Full);
2043 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2044 			phylink_set(if_caps, 50000baseKR2_Full);
2045 		if (capability &
2046 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2047 			phylink_set(if_caps, 100000baseKR4_Full);
2048 
2049 		break;
2050 	case MEDIA_UNSPECIFIED:
2051 	case MEDIA_NOT_PRESENT:
2052 	default:
2053 		DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
2054 			   "Unknown media and transceiver type;\n");
2055 		break;
2056 	}
2057 }
2058 
2059 static void qed_lp_caps_to_speed_mask(u32 caps, u32 *speed_mask)
2060 {
2061 	*speed_mask = 0;
2062 
2063 	if (caps &
2064 	    (QED_LINK_PARTNER_SPEED_1G_FD | QED_LINK_PARTNER_SPEED_1G_HD))
2065 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2066 	if (caps & QED_LINK_PARTNER_SPEED_10G)
2067 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2068 	if (caps & QED_LINK_PARTNER_SPEED_20G)
2069 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
2070 	if (caps & QED_LINK_PARTNER_SPEED_25G)
2071 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2072 	if (caps & QED_LINK_PARTNER_SPEED_40G)
2073 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2074 	if (caps & QED_LINK_PARTNER_SPEED_50G)
2075 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
2076 	if (caps & QED_LINK_PARTNER_SPEED_100G)
2077 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
2078 }
2079 
2080 static void qed_fill_link(struct qed_hwfn *hwfn,
2081 			  struct qed_ptt *ptt,
2082 			  struct qed_link_output *if_link)
2083 {
2084 	struct qed_mcp_link_capabilities link_caps;
2085 	struct qed_mcp_link_params params;
2086 	struct qed_mcp_link_state link;
2087 	u32 media_type, speed_mask;
2088 
2089 	memset(if_link, 0, sizeof(*if_link));
2090 
2091 	/* Prepare source inputs */
2092 	if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
2093 		dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
2094 		return;
2095 	}
2096 
2097 	/* Set the link parameters to pass to protocol driver */
2098 	if (link.link_up)
2099 		if_link->link_up = true;
2100 
2101 	if (IS_PF(hwfn->cdev) && qed_mcp_is_ext_speed_supported(hwfn)) {
2102 		if (link_caps.default_ext_autoneg)
2103 			phylink_set(if_link->supported_caps, Autoneg);
2104 
2105 		linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2106 
2107 		if (params.ext_speed.autoneg)
2108 			phylink_set(if_link->advertised_caps, Autoneg);
2109 		else
2110 			phylink_clear(if_link->advertised_caps, Autoneg);
2111 
2112 		qed_fill_link_capability(hwfn, ptt,
2113 					 params.ext_speed.advertised_speeds,
2114 					 if_link->advertised_caps);
2115 	} else {
2116 		if (link_caps.default_speed_autoneg)
2117 			phylink_set(if_link->supported_caps, Autoneg);
2118 
2119 		linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2120 
2121 		if (params.speed.autoneg)
2122 			phylink_set(if_link->advertised_caps, Autoneg);
2123 		else
2124 			phylink_clear(if_link->advertised_caps, Autoneg);
2125 	}
2126 
2127 	if (params.pause.autoneg ||
2128 	    (params.pause.forced_rx && params.pause.forced_tx))
2129 		phylink_set(if_link->supported_caps, Asym_Pause);
2130 	if (params.pause.autoneg || params.pause.forced_rx ||
2131 	    params.pause.forced_tx)
2132 		phylink_set(if_link->supported_caps, Pause);
2133 
2134 	if_link->sup_fec = link_caps.fec_default;
2135 	if_link->active_fec = params.fec;
2136 
2137 	/* Fill link advertised capability */
2138 	qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
2139 				 if_link->advertised_caps);
2140 
2141 	/* Fill link supported capability */
2142 	qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
2143 				 if_link->supported_caps);
2144 
2145 	/* Fill partner advertised capability */
2146 	qed_lp_caps_to_speed_mask(link.partner_adv_speed, &speed_mask);
2147 	qed_fill_link_capability(hwfn, ptt, speed_mask, if_link->lp_caps);
2148 
2149 	if (link.link_up)
2150 		if_link->speed = link.speed;
2151 
2152 	/* TODO - fill duplex properly */
2153 	if_link->duplex = DUPLEX_FULL;
2154 	qed_mcp_get_media_type(hwfn, ptt, &media_type);
2155 	if_link->port = qed_get_port_type(media_type);
2156 
2157 	if_link->autoneg = params.speed.autoneg;
2158 
2159 	if (params.pause.autoneg)
2160 		if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
2161 	if (params.pause.forced_rx)
2162 		if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
2163 	if (params.pause.forced_tx)
2164 		if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
2165 
2166 	if (link.an_complete)
2167 		phylink_set(if_link->lp_caps, Autoneg);
2168 	if (link.partner_adv_pause)
2169 		phylink_set(if_link->lp_caps, Pause);
2170 	if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
2171 	    link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
2172 		phylink_set(if_link->lp_caps, Asym_Pause);
2173 
2174 	if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
2175 		if_link->eee_supported = false;
2176 	} else {
2177 		if_link->eee_supported = true;
2178 		if_link->eee_active = link.eee_active;
2179 		if_link->sup_caps = link_caps.eee_speed_caps;
2180 		/* MFW clears adv_caps on eee disable; use configured value */
2181 		if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
2182 					params.eee.adv_caps;
2183 		if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
2184 		if_link->eee.enable = params.eee.enable;
2185 		if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
2186 		if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
2187 	}
2188 }
2189 
2190 static void qed_get_current_link(struct qed_dev *cdev,
2191 				 struct qed_link_output *if_link)
2192 {
2193 	struct qed_hwfn *hwfn;
2194 	struct qed_ptt *ptt;
2195 	int i;
2196 
2197 	hwfn = &cdev->hwfns[0];
2198 	if (IS_PF(cdev)) {
2199 		ptt = qed_ptt_acquire(hwfn);
2200 		if (ptt) {
2201 			qed_fill_link(hwfn, ptt, if_link);
2202 			qed_ptt_release(hwfn, ptt);
2203 		} else {
2204 			DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
2205 		}
2206 	} else {
2207 		qed_fill_link(hwfn, NULL, if_link);
2208 	}
2209 
2210 	for_each_hwfn(cdev, i)
2211 		qed_inform_vf_link_state(&cdev->hwfns[i]);
2212 }
2213 
2214 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2215 {
2216 	void *cookie = hwfn->cdev->ops_cookie;
2217 	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2218 	struct qed_link_output if_link;
2219 
2220 	qed_fill_link(hwfn, ptt, &if_link);
2221 	qed_inform_vf_link_state(hwfn);
2222 
2223 	if (IS_LEAD_HWFN(hwfn) && cookie)
2224 		op->link_update(cookie, &if_link);
2225 }
2226 
2227 void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2228 {
2229 	void *cookie = hwfn->cdev->ops_cookie;
2230 	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2231 
2232 	if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update)
2233 		op->bw_update(cookie);
2234 }
2235 
2236 static int qed_drain(struct qed_dev *cdev)
2237 {
2238 	struct qed_hwfn *hwfn;
2239 	struct qed_ptt *ptt;
2240 	int i, rc;
2241 
2242 	if (IS_VF(cdev))
2243 		return 0;
2244 
2245 	for_each_hwfn(cdev, i) {
2246 		hwfn = &cdev->hwfns[i];
2247 		ptt = qed_ptt_acquire(hwfn);
2248 		if (!ptt) {
2249 			DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
2250 			return -EBUSY;
2251 		}
2252 		rc = qed_mcp_drain(hwfn, ptt);
2253 		qed_ptt_release(hwfn, ptt);
2254 		if (rc)
2255 			return rc;
2256 	}
2257 
2258 	return 0;
2259 }
2260 
2261 static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
2262 					  struct qed_nvm_image_att *nvm_image,
2263 					  u32 *crc)
2264 {
2265 	u8 *buf = NULL;
2266 	int rc;
2267 
2268 	/* Allocate a buffer for holding the nvram image */
2269 	buf = kzalloc(nvm_image->length, GFP_KERNEL);
2270 	if (!buf)
2271 		return -ENOMEM;
2272 
2273 	/* Read image into buffer */
2274 	rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
2275 			      buf, nvm_image->length);
2276 	if (rc) {
2277 		DP_ERR(cdev, "Failed reading image from nvm\n");
2278 		goto out;
2279 	}
2280 
2281 	/* Convert the buffer into big-endian format (excluding the
2282 	 * closing 4 bytes of CRC).
2283 	 */
2284 	cpu_to_be32_array((__force __be32 *)buf, (const u32 *)buf,
2285 			  DIV_ROUND_UP(nvm_image->length - 4, 4));
2286 
2287 	/* Calc CRC for the "actual" image buffer, i.e. not including
2288 	 * the last 4 CRC bytes.
2289 	 */
2290 	*crc = ~crc32(~0U, buf, nvm_image->length - 4);
2291 	*crc = (__force u32)cpu_to_be32p(crc);
2292 
2293 out:
2294 	kfree(buf);
2295 
2296 	return rc;
2297 }
2298 
2299 /* Binary file format -
2300  *     /----------------------------------------------------------------------\
2301  * 0B  |                       0x4 [command index]                            |
2302  * 4B  | image_type     | Options        |  Number of register settings       |
2303  * 8B  |                       Value                                          |
2304  * 12B |                       Mask                                           |
2305  * 16B |                       Offset                                         |
2306  *     \----------------------------------------------------------------------/
2307  * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2308  * Options - 0'b - Calculate & Update CRC for image
2309  */
2310 static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2311 				      bool *check_resp)
2312 {
2313 	struct qed_nvm_image_att nvm_image;
2314 	struct qed_hwfn *p_hwfn;
2315 	bool is_crc = false;
2316 	u32 image_type;
2317 	int rc = 0, i;
2318 	u16 len;
2319 
2320 	*data += 4;
2321 	image_type = **data;
2322 	p_hwfn = QED_LEADING_HWFN(cdev);
2323 	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2324 		if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2325 			break;
2326 	if (i == p_hwfn->nvm_info.num_images) {
2327 		DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2328 		       image_type);
2329 		return -ENOENT;
2330 	}
2331 
2332 	nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2333 	nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2334 
2335 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2336 		   "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2337 		   **data, image_type, nvm_image.start_addr,
2338 		   nvm_image.start_addr + nvm_image.length - 1);
2339 	(*data)++;
2340 	is_crc = !!(**data & BIT(0));
2341 	(*data)++;
2342 	len = *((u16 *)*data);
2343 	*data += 2;
2344 	if (is_crc) {
2345 		u32 crc = 0;
2346 
2347 		rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2348 		if (rc) {
2349 			DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2350 			goto exit;
2351 		}
2352 
2353 		rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2354 				       (nvm_image.start_addr +
2355 					nvm_image.length - 4), (u8 *)&crc, 4);
2356 		if (rc)
2357 			DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2358 			       nvm_image.start_addr + nvm_image.length - 4, rc);
2359 		goto exit;
2360 	}
2361 
2362 	/* Iterate over the values for setting */
2363 	while (len) {
2364 		u32 offset, mask, value, cur_value;
2365 		u8 buf[4];
2366 
2367 		value = *((u32 *)*data);
2368 		*data += 4;
2369 		mask = *((u32 *)*data);
2370 		*data += 4;
2371 		offset = *((u32 *)*data);
2372 		*data += 4;
2373 
2374 		rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2375 				      4);
2376 		if (rc) {
2377 			DP_ERR(cdev, "Failed reading from %08x\n",
2378 			       nvm_image.start_addr + offset);
2379 			goto exit;
2380 		}
2381 
2382 		cur_value = le32_to_cpu(*((__le32 *)buf));
2383 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
2384 			   "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2385 			   nvm_image.start_addr + offset, cur_value,
2386 			   (cur_value & ~mask) | (value & mask), value, mask);
2387 		value = (value & mask) | (cur_value & ~mask);
2388 		rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2389 				       nvm_image.start_addr + offset,
2390 				       (u8 *)&value, 4);
2391 		if (rc) {
2392 			DP_ERR(cdev, "Failed writing to %08x\n",
2393 			       nvm_image.start_addr + offset);
2394 			goto exit;
2395 		}
2396 
2397 		len--;
2398 	}
2399 exit:
2400 	return rc;
2401 }
2402 
2403 /* Binary file format -
2404  *     /----------------------------------------------------------------------\
2405  * 0B  |                       0x3 [command index]                            |
2406  * 4B  | b'0: check_response?   | b'1-31  reserved                            |
2407  * 8B  | File-type |                   reserved                               |
2408  * 12B |                    Image length in bytes                             |
2409  *     \----------------------------------------------------------------------/
2410  *     Start a new file of the provided type
2411  */
2412 static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2413 					  const u8 **data, bool *check_resp)
2414 {
2415 	u32 file_type, file_size = 0;
2416 	int rc;
2417 
2418 	*data += 4;
2419 	*check_resp = !!(**data & BIT(0));
2420 	*data += 4;
2421 	file_type = **data;
2422 
2423 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2424 		   "About to start a new file of type %02x\n", file_type);
2425 	if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2426 		*data += 4;
2427 		file_size = *((u32 *)(*data));
2428 	}
2429 
2430 	rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2431 			       (u8 *)(&file_size), 4);
2432 	*data += 4;
2433 
2434 	return rc;
2435 }
2436 
2437 /* Binary file format -
2438  *     /----------------------------------------------------------------------\
2439  * 0B  |                       0x2 [command index]                            |
2440  * 4B  |                       Length in bytes                                |
2441  * 8B  | b'0: check_response?   | b'1-31  reserved                            |
2442  * 12B |                       Offset in bytes                                |
2443  * 16B |                       Data ...                                       |
2444  *     \----------------------------------------------------------------------/
2445  *     Write data as part of a file that was previously started. Data should be
2446  *     of length equal to that provided in the message
2447  */
2448 static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2449 					 const u8 **data, bool *check_resp)
2450 {
2451 	u32 offset, len;
2452 	int rc;
2453 
2454 	*data += 4;
2455 	len = *((u32 *)(*data));
2456 	*data += 4;
2457 	*check_resp = !!(**data & BIT(0));
2458 	*data += 4;
2459 	offset = *((u32 *)(*data));
2460 	*data += 4;
2461 
2462 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2463 		   "About to write File-data: %08x bytes to offset %08x\n",
2464 		   len, offset);
2465 
2466 	rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2467 			       (char *)(*data), len);
2468 	*data += len;
2469 
2470 	return rc;
2471 }
2472 
2473 /* Binary file format [General header] -
2474  *     /----------------------------------------------------------------------\
2475  * 0B  |                       QED_NVM_SIGNATURE                              |
2476  * 4B  |                       Length in bytes                                |
2477  * 8B  | Highest command in this batchfile |          Reserved                |
2478  *     \----------------------------------------------------------------------/
2479  */
2480 static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2481 					const struct firmware *image,
2482 					const u8 **data)
2483 {
2484 	u32 signature, len;
2485 
2486 	/* Check minimum size */
2487 	if (image->size < 12) {
2488 		DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2489 		return -EINVAL;
2490 	}
2491 
2492 	/* Check signature */
2493 	signature = *((u32 *)(*data));
2494 	if (signature != QED_NVM_SIGNATURE) {
2495 		DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2496 		return -EINVAL;
2497 	}
2498 
2499 	*data += 4;
2500 	/* Validate internal size equals the image-size */
2501 	len = *((u32 *)(*data));
2502 	if (len != image->size) {
2503 		DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2504 		       len, (u32)image->size);
2505 		return -EINVAL;
2506 	}
2507 
2508 	*data += 4;
2509 	/* Make sure driver familiar with all commands necessary for this */
2510 	if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2511 		DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2512 		       *((u16 *)(*data)));
2513 		return -EINVAL;
2514 	}
2515 
2516 	*data += 4;
2517 
2518 	return 0;
2519 }
2520 
2521 /* Binary file format -
2522  *     /----------------------------------------------------------------------\
2523  * 0B  |                       0x5 [command index]                            |
2524  * 4B  | Number of config attributes     |          Reserved                  |
2525  * 4B  | Config ID                       | Entity ID      | Length            |
2526  * 4B  | Value                                                                |
2527  *     |                                                                      |
2528  *     \----------------------------------------------------------------------/
2529  * There can be several cfg_id-entity_id-Length-Value sets as specified by
2530  * 'Number of config attributes'.
2531  *
2532  * The API parses config attributes from the user provided buffer and flashes
2533  * them to the respective NVM path using Management FW inerface.
2534  */
2535 static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
2536 {
2537 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2538 	u8 entity_id, len, buf[32];
2539 	bool need_nvm_init = true;
2540 	struct qed_ptt *ptt;
2541 	u16 cfg_id, count;
2542 	int rc = 0, i;
2543 	u32 flags;
2544 
2545 	ptt = qed_ptt_acquire(hwfn);
2546 	if (!ptt)
2547 		return -EAGAIN;
2548 
2549 	/* NVM CFG ID attribute header */
2550 	*data += 4;
2551 	count = *((u16 *)*data);
2552 	*data += 4;
2553 
2554 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2555 		   "Read config ids: num_attrs = %0d\n", count);
2556 	/* NVM CFG ID attributes. Start loop index from 1 to avoid additional
2557 	 * arithmetic operations in the implementation.
2558 	 */
2559 	for (i = 1; i <= count; i++) {
2560 		cfg_id = *((u16 *)*data);
2561 		*data += 2;
2562 		entity_id = **data;
2563 		(*data)++;
2564 		len = **data;
2565 		(*data)++;
2566 		memcpy(buf, *data, len);
2567 		*data += len;
2568 
2569 		flags = 0;
2570 		if (need_nvm_init) {
2571 			flags |= QED_NVM_CFG_OPTION_INIT;
2572 			need_nvm_init = false;
2573 		}
2574 
2575 		/* Commit to flash and free the resources */
2576 		if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
2577 			flags |= QED_NVM_CFG_OPTION_COMMIT |
2578 				 QED_NVM_CFG_OPTION_FREE;
2579 			need_nvm_init = true;
2580 		}
2581 
2582 		if (entity_id)
2583 			flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;
2584 
2585 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
2586 			   "cfg_id = %d entity = %d len = %d\n", cfg_id,
2587 			   entity_id, len);
2588 		rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
2589 					 buf, len);
2590 		if (rc) {
2591 			DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
2592 			break;
2593 		}
2594 	}
2595 
2596 	qed_ptt_release(hwfn, ptt);
2597 
2598 	return rc;
2599 }
2600 
2601 #define QED_MAX_NVM_BUF_LEN	32
2602 static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
2603 {
2604 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2605 	u8 buf[QED_MAX_NVM_BUF_LEN];
2606 	struct qed_ptt *ptt;
2607 	u32 len;
2608 	int rc;
2609 
2610 	ptt = qed_ptt_acquire(hwfn);
2611 	if (!ptt)
2612 		return QED_MAX_NVM_BUF_LEN;
2613 
2614 	rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
2615 				 &len);
2616 	if (rc || !len) {
2617 		DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2618 		len = QED_MAX_NVM_BUF_LEN;
2619 	}
2620 
2621 	qed_ptt_release(hwfn, ptt);
2622 
2623 	return len;
2624 }
2625 
2626 static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
2627 				  u32 cmd, u32 entity_id)
2628 {
2629 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2630 	struct qed_ptt *ptt;
2631 	u32 flags, len;
2632 	int rc = 0;
2633 
2634 	ptt = qed_ptt_acquire(hwfn);
2635 	if (!ptt)
2636 		return -EAGAIN;
2637 
2638 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2639 		   "Read config cmd = %d entity id %d\n", cmd, entity_id);
2640 	flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
2641 	rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
2642 	if (rc)
2643 		DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2644 
2645 	qed_ptt_release(hwfn, ptt);
2646 
2647 	return rc;
2648 }
2649 
2650 static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2651 {
2652 	const struct firmware *image;
2653 	const u8 *data, *data_end;
2654 	u32 cmd_type;
2655 	int rc;
2656 
2657 	rc = request_firmware(&image, name, &cdev->pdev->dev);
2658 	if (rc) {
2659 		DP_ERR(cdev, "Failed to find '%s'\n", name);
2660 		return rc;
2661 	}
2662 
2663 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2664 		   "Flashing '%s' - firmware's data at %p, size is %08x\n",
2665 		   name, image->data, (u32)image->size);
2666 	data = image->data;
2667 	data_end = data + image->size;
2668 
2669 	rc = qed_nvm_flash_image_validate(cdev, image, &data);
2670 	if (rc)
2671 		goto exit;
2672 
2673 	while (data < data_end) {
2674 		bool check_resp = false;
2675 
2676 		/* Parse the actual command */
2677 		cmd_type = *((u32 *)data);
2678 		switch (cmd_type) {
2679 		case QED_NVM_FLASH_CMD_FILE_DATA:
2680 			rc = qed_nvm_flash_image_file_data(cdev, &data,
2681 							   &check_resp);
2682 			break;
2683 		case QED_NVM_FLASH_CMD_FILE_START:
2684 			rc = qed_nvm_flash_image_file_start(cdev, &data,
2685 							    &check_resp);
2686 			break;
2687 		case QED_NVM_FLASH_CMD_NVM_CHANGE:
2688 			rc = qed_nvm_flash_image_access(cdev, &data,
2689 							&check_resp);
2690 			break;
2691 		case QED_NVM_FLASH_CMD_NVM_CFG_ID:
2692 			rc = qed_nvm_flash_cfg_write(cdev, &data);
2693 			break;
2694 		default:
2695 			DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2696 			rc = -EINVAL;
2697 			goto exit;
2698 		}
2699 
2700 		if (rc) {
2701 			DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2702 			goto exit;
2703 		}
2704 
2705 		/* Check response if needed */
2706 		if (check_resp) {
2707 			u32 mcp_response = 0;
2708 
2709 			if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2710 				DP_ERR(cdev, "Failed getting MCP response\n");
2711 				rc = -EINVAL;
2712 				goto exit;
2713 			}
2714 
2715 			switch (mcp_response & FW_MSG_CODE_MASK) {
2716 			case FW_MSG_CODE_OK:
2717 			case FW_MSG_CODE_NVM_OK:
2718 			case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2719 			case FW_MSG_CODE_PHY_OK:
2720 				break;
2721 			default:
2722 				DP_ERR(cdev, "MFW returns error: %08x\n",
2723 				       mcp_response);
2724 				rc = -EINVAL;
2725 				goto exit;
2726 			}
2727 		}
2728 	}
2729 
2730 exit:
2731 	release_firmware(image);
2732 
2733 	return rc;
2734 }
2735 
2736 static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2737 			     u8 *buf, u16 len)
2738 {
2739 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2740 
2741 	return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2742 }
2743 
2744 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2745 {
2746 	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2747 	void *cookie = p_hwfn->cdev->ops_cookie;
2748 
2749 	if (ops && ops->schedule_recovery_handler)
2750 		ops->schedule_recovery_handler(cookie);
2751 }
2752 
2753 static const char * const qed_hw_err_type_descr[] = {
2754 	[QED_HW_ERR_FAN_FAIL]		= "Fan Failure",
2755 	[QED_HW_ERR_MFW_RESP_FAIL]	= "MFW Response Failure",
2756 	[QED_HW_ERR_HW_ATTN]		= "HW Attention",
2757 	[QED_HW_ERR_DMAE_FAIL]		= "DMAE Failure",
2758 	[QED_HW_ERR_RAMROD_FAIL]	= "Ramrod Failure",
2759 	[QED_HW_ERR_FW_ASSERT]		= "FW Assertion",
2760 	[QED_HW_ERR_LAST]		= "Unknown",
2761 };
2762 
2763 void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
2764 			   enum qed_hw_err_type err_type)
2765 {
2766 	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2767 	void *cookie = p_hwfn->cdev->ops_cookie;
2768 	const char *err_str;
2769 
2770 	if (err_type > QED_HW_ERR_LAST)
2771 		err_type = QED_HW_ERR_LAST;
2772 	err_str = qed_hw_err_type_descr[err_type];
2773 
2774 	DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);
2775 
2776 	/* Call the HW error handler of the protocol driver.
2777 	 * If it is not available - perform a minimal handling of preventing
2778 	 * HW attentions from being reasserted.
2779 	 */
2780 	if (ops && ops->schedule_hw_err_handler)
2781 		ops->schedule_hw_err_handler(cookie, err_type);
2782 	else
2783 		qed_int_attn_clr_enable(p_hwfn->cdev, true);
2784 }
2785 
2786 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2787 			    void *handle)
2788 {
2789 		return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2790 }
2791 
2792 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2793 {
2794 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2795 	struct qed_ptt *ptt;
2796 	int status = 0;
2797 
2798 	ptt = qed_ptt_acquire(hwfn);
2799 	if (!ptt)
2800 		return -EAGAIN;
2801 
2802 	status = qed_mcp_set_led(hwfn, ptt, mode);
2803 
2804 	qed_ptt_release(hwfn, ptt);
2805 
2806 	return status;
2807 }
2808 
2809 int qed_recovery_process(struct qed_dev *cdev)
2810 {
2811 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2812 	struct qed_ptt *p_ptt;
2813 	int rc = 0;
2814 
2815 	p_ptt = qed_ptt_acquire(p_hwfn);
2816 	if (!p_ptt)
2817 		return -EAGAIN;
2818 
2819 	rc = qed_start_recovery_process(p_hwfn, p_ptt);
2820 
2821 	qed_ptt_release(p_hwfn, p_ptt);
2822 
2823 	return rc;
2824 }
2825 
2826 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2827 {
2828 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2829 	struct qed_ptt *ptt;
2830 	int rc = 0;
2831 
2832 	if (IS_VF(cdev))
2833 		return 0;
2834 
2835 	ptt = qed_ptt_acquire(hwfn);
2836 	if (!ptt)
2837 		return -EAGAIN;
2838 
2839 	rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2840 				   : QED_OV_WOL_DISABLED);
2841 	if (rc)
2842 		goto out;
2843 	rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2844 
2845 out:
2846 	qed_ptt_release(hwfn, ptt);
2847 	return rc;
2848 }
2849 
2850 static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2851 {
2852 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2853 	struct qed_ptt *ptt;
2854 	int status = 0;
2855 
2856 	if (IS_VF(cdev))
2857 		return 0;
2858 
2859 	ptt = qed_ptt_acquire(hwfn);
2860 	if (!ptt)
2861 		return -EAGAIN;
2862 
2863 	status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2864 						QED_OV_DRIVER_STATE_ACTIVE :
2865 						QED_OV_DRIVER_STATE_DISABLED);
2866 
2867 	qed_ptt_release(hwfn, ptt);
2868 
2869 	return status;
2870 }
2871 
2872 static int qed_update_mac(struct qed_dev *cdev, const u8 *mac)
2873 {
2874 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2875 	struct qed_ptt *ptt;
2876 	int status = 0;
2877 
2878 	if (IS_VF(cdev))
2879 		return 0;
2880 
2881 	ptt = qed_ptt_acquire(hwfn);
2882 	if (!ptt)
2883 		return -EAGAIN;
2884 
2885 	status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2886 	if (status)
2887 		goto out;
2888 
2889 	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2890 
2891 out:
2892 	qed_ptt_release(hwfn, ptt);
2893 	return status;
2894 }
2895 
2896 static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2897 {
2898 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2899 	struct qed_ptt *ptt;
2900 	int status = 0;
2901 
2902 	if (IS_VF(cdev))
2903 		return 0;
2904 
2905 	ptt = qed_ptt_acquire(hwfn);
2906 	if (!ptt)
2907 		return -EAGAIN;
2908 
2909 	status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2910 	if (status)
2911 		goto out;
2912 
2913 	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2914 
2915 out:
2916 	qed_ptt_release(hwfn, ptt);
2917 	return status;
2918 }
2919 
2920 static int
2921 qed_get_sb_info(struct qed_dev *cdev, struct qed_sb_info *sb,
2922 		u16 qid, struct qed_sb_info_dbg *sb_dbg)
2923 {
2924 	struct qed_hwfn *hwfn = &cdev->hwfns[qid % cdev->num_hwfns];
2925 	struct qed_ptt *ptt;
2926 	int rc;
2927 
2928 	if (IS_VF(cdev))
2929 		return -EINVAL;
2930 
2931 	ptt = qed_ptt_acquire(hwfn);
2932 	if (!ptt) {
2933 		DP_NOTICE(hwfn, "Can't acquire PTT\n");
2934 		return -EAGAIN;
2935 	}
2936 
2937 	memset(sb_dbg, 0, sizeof(*sb_dbg));
2938 	rc = qed_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
2939 
2940 	qed_ptt_release(hwfn, ptt);
2941 	return rc;
2942 }
2943 
2944 static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2945 				  u8 dev_addr, u32 offset, u32 len)
2946 {
2947 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2948 	struct qed_ptt *ptt;
2949 	int rc = 0;
2950 
2951 	if (IS_VF(cdev))
2952 		return 0;
2953 
2954 	ptt = qed_ptt_acquire(hwfn);
2955 	if (!ptt)
2956 		return -EAGAIN;
2957 
2958 	rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2959 				  offset, len, buf);
2960 
2961 	qed_ptt_release(hwfn, ptt);
2962 
2963 	return rc;
2964 }
2965 
2966 static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
2967 {
2968 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2969 	struct qed_ptt *ptt;
2970 	int rc = 0;
2971 
2972 	if (IS_VF(cdev))
2973 		return 0;
2974 
2975 	ptt = qed_ptt_acquire(hwfn);
2976 	if (!ptt)
2977 		return -EAGAIN;
2978 
2979 	rc = qed_dbg_grc_config(hwfn, cfg_id, val);
2980 
2981 	qed_ptt_release(hwfn, ptt);
2982 
2983 	return rc;
2984 }
2985 
2986 static __printf(2, 3) void qed_mfw_report(struct qed_dev *cdev, char *fmt, ...)
2987 {
2988 	char buf[QED_MFW_REPORT_STR_SIZE];
2989 	struct qed_hwfn *p_hwfn;
2990 	struct qed_ptt *p_ptt;
2991 	va_list vl;
2992 
2993 	va_start(vl, fmt);
2994 	vsnprintf(buf, QED_MFW_REPORT_STR_SIZE, fmt, vl);
2995 	va_end(vl);
2996 
2997 	if (IS_PF(cdev)) {
2998 		p_hwfn = QED_LEADING_HWFN(cdev);
2999 		p_ptt = qed_ptt_acquire(p_hwfn);
3000 		if (p_ptt) {
3001 			qed_mcp_send_raw_debug_data(p_hwfn, p_ptt, buf, strlen(buf));
3002 			qed_ptt_release(p_hwfn, p_ptt);
3003 		}
3004 	}
3005 }
3006 
3007 static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
3008 {
3009 	return QED_AFFIN_HWFN_IDX(cdev);
3010 }
3011 
3012 static int qed_get_esl_status(struct qed_dev *cdev, bool *esl_active)
3013 {
3014 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3015 	struct qed_ptt *ptt;
3016 	int rc = 0;
3017 
3018 	*esl_active = false;
3019 
3020 	if (IS_VF(cdev))
3021 		return 0;
3022 
3023 	ptt = qed_ptt_acquire(hwfn);
3024 	if (!ptt)
3025 		return -EAGAIN;
3026 
3027 	rc = qed_mcp_get_esl_status(hwfn, ptt, esl_active);
3028 
3029 	qed_ptt_release(hwfn, ptt);
3030 
3031 	return rc;
3032 }
3033 
3034 static struct qed_selftest_ops qed_selftest_ops_pass = {
3035 	.selftest_memory = &qed_selftest_memory,
3036 	.selftest_interrupt = &qed_selftest_interrupt,
3037 	.selftest_register = &qed_selftest_register,
3038 	.selftest_clock = &qed_selftest_clock,
3039 	.selftest_nvram = &qed_selftest_nvram,
3040 };
3041 
3042 const struct qed_common_ops qed_common_ops_pass = {
3043 	.selftest = &qed_selftest_ops_pass,
3044 	.probe = &qed_probe,
3045 	.remove = &qed_remove,
3046 	.set_power_state = &qed_set_power_state,
3047 	.set_name = &qed_set_name,
3048 	.update_pf_params = &qed_update_pf_params,
3049 	.slowpath_start = &qed_slowpath_start,
3050 	.slowpath_stop = &qed_slowpath_stop,
3051 	.set_fp_int = &qed_set_int_fp,
3052 	.get_fp_int = &qed_get_int_fp,
3053 	.sb_init = &qed_sb_init,
3054 	.sb_release = &qed_sb_release,
3055 	.simd_handler_config = &qed_simd_handler_config,
3056 	.simd_handler_clean = &qed_simd_handler_clean,
3057 	.dbg_grc = &qed_dbg_grc,
3058 	.dbg_grc_size = &qed_dbg_grc_size,
3059 	.can_link_change = &qed_can_link_change,
3060 	.set_link = &qed_set_link,
3061 	.get_link = &qed_get_current_link,
3062 	.drain = &qed_drain,
3063 	.update_msglvl = &qed_init_dp,
3064 	.devlink_register = qed_devlink_register,
3065 	.devlink_unregister = qed_devlink_unregister,
3066 	.report_fatal_error = qed_report_fatal_error,
3067 	.dbg_all_data = &qed_dbg_all_data,
3068 	.dbg_all_data_size = &qed_dbg_all_data_size,
3069 	.chain_alloc = &qed_chain_alloc,
3070 	.chain_free = &qed_chain_free,
3071 	.nvm_flash = &qed_nvm_flash,
3072 	.nvm_get_image = &qed_nvm_get_image,
3073 	.set_coalesce = &qed_set_coalesce,
3074 	.set_led = &qed_set_led,
3075 	.recovery_process = &qed_recovery_process,
3076 	.recovery_prolog = &qed_recovery_prolog,
3077 	.attn_clr_enable = &qed_int_attn_clr_enable,
3078 	.update_drv_state = &qed_update_drv_state,
3079 	.update_mac = &qed_update_mac,
3080 	.update_mtu = &qed_update_mtu,
3081 	.update_wol = &qed_update_wol,
3082 	.db_recovery_add = &qed_db_recovery_add,
3083 	.db_recovery_del = &qed_db_recovery_del,
3084 	.read_module_eeprom = &qed_read_module_eeprom,
3085 	.get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
3086 	.read_nvm_cfg = &qed_nvm_flash_cfg_read,
3087 	.read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
3088 	.set_grc_config = &qed_set_grc_config,
3089 	.mfw_report = &qed_mfw_report,
3090 	.get_sb_info = &qed_get_sb_info,
3091 	.get_esl_status = &qed_get_esl_status,
3092 };
3093 
3094 void qed_get_protocol_stats(struct qed_dev *cdev,
3095 			    enum qed_mcp_protocol_type type,
3096 			    union qed_mcp_protocol_stats *stats)
3097 {
3098 	struct qed_eth_stats eth_stats;
3099 
3100 	memset(stats, 0, sizeof(*stats));
3101 
3102 	switch (type) {
3103 	case QED_MCP_LAN_STATS:
3104 		qed_get_vport_stats(cdev, &eth_stats);
3105 		stats->lan_stats.ucast_rx_pkts =
3106 					eth_stats.common.rx_ucast_pkts;
3107 		stats->lan_stats.ucast_tx_pkts =
3108 					eth_stats.common.tx_ucast_pkts;
3109 		stats->lan_stats.fcs_err = -1;
3110 		break;
3111 	case QED_MCP_FCOE_STATS:
3112 		qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
3113 		break;
3114 	case QED_MCP_ISCSI_STATS:
3115 		qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
3116 		break;
3117 	default:
3118 		DP_VERBOSE(cdev, QED_MSG_SP,
3119 			   "Invalid protocol type = %d\n", type);
3120 		return;
3121 	}
3122 }
3123 
3124 int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
3125 {
3126 	DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
3127 		   "Scheduling slowpath task [Flag: %d]\n",
3128 		   QED_SLOWPATH_MFW_TLV_REQ);
3129 	/* Memory barrier for setting atomic bit */
3130 	smp_mb__before_atomic();
3131 	set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
3132 	/* Memory barrier after setting atomic bit */
3133 	smp_mb__after_atomic();
3134 	queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
3135 
3136 	return 0;
3137 }
3138 
3139 static void
3140 qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
3141 {
3142 	struct qed_common_cb_ops *op = cdev->protocol_ops.common;
3143 	struct qed_eth_stats_common *p_common;
3144 	struct qed_generic_tlvs gen_tlvs;
3145 	struct qed_eth_stats stats;
3146 	int i;
3147 
3148 	memset(&gen_tlvs, 0, sizeof(gen_tlvs));
3149 	op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
3150 
3151 	if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
3152 		tlv->flags.ipv4_csum_offload = true;
3153 	if (gen_tlvs.feat_flags & QED_TLV_LSO)
3154 		tlv->flags.lso_supported = true;
3155 	tlv->flags.b_set = true;
3156 
3157 	for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
3158 		if (is_valid_ether_addr(gen_tlvs.mac[i])) {
3159 			ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
3160 			tlv->mac_set[i] = true;
3161 		}
3162 	}
3163 
3164 	qed_get_vport_stats(cdev, &stats);
3165 	p_common = &stats.common;
3166 	tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
3167 			 p_common->rx_bcast_pkts;
3168 	tlv->rx_frames_set = true;
3169 	tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
3170 			p_common->rx_bcast_bytes;
3171 	tlv->rx_bytes_set = true;
3172 	tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
3173 			 p_common->tx_bcast_pkts;
3174 	tlv->tx_frames_set = true;
3175 	tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
3176 			p_common->tx_bcast_bytes;
3177 	tlv->rx_bytes_set = true;
3178 }
3179 
3180 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
3181 			  union qed_mfw_tlv_data *tlv_buf)
3182 {
3183 	struct qed_dev *cdev = hwfn->cdev;
3184 	struct qed_common_cb_ops *ops;
3185 
3186 	ops = cdev->protocol_ops.common;
3187 	if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
3188 		DP_NOTICE(hwfn, "Can't collect TLV management info\n");
3189 		return -EINVAL;
3190 	}
3191 
3192 	switch (type) {
3193 	case QED_MFW_TLV_GENERIC:
3194 		qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
3195 		break;
3196 	case QED_MFW_TLV_ETH:
3197 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
3198 		break;
3199 	case QED_MFW_TLV_FCOE:
3200 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
3201 		break;
3202 	case QED_MFW_TLV_ISCSI:
3203 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
3204 		break;
3205 	default:
3206 		break;
3207 	}
3208 
3209 	return 0;
3210 }
3211 
3212 unsigned long qed_get_epoch_time(void)
3213 {
3214 	return ktime_get_real_seconds();
3215 }
3216