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 " DRV_MODULE_VERSION "\n";
53 
54 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
55 MODULE_LICENSE("GPL");
56 MODULE_VERSION(DRV_MODULE_VERSION);
57 
58 #define FW_FILE_VERSION				\
59 	__stringify(FW_MAJOR_VERSION) "."	\
60 	__stringify(FW_MINOR_VERSION) "."	\
61 	__stringify(FW_REVISION_VERSION) "."	\
62 	__stringify(FW_ENGINEERING_VERSION)
63 
64 #define QED_FW_FILE_NAME	\
65 	"qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
66 
67 MODULE_FIRMWARE(QED_FW_FILE_NAME);
68 
69 /* MFW speed capabilities maps */
70 
71 struct qed_mfw_speed_map {
72 	u32		mfw_val;
73 	__ETHTOOL_DECLARE_LINK_MODE_MASK(caps);
74 
75 	const u32	*cap_arr;
76 	u32		arr_size;
77 };
78 
79 #define QED_MFW_SPEED_MAP(type, arr)		\
80 {						\
81 	.mfw_val	= (type),		\
82 	.cap_arr	= (arr),		\
83 	.arr_size	= ARRAY_SIZE(arr),	\
84 }
85 
86 static const u32 qed_mfw_ext_1g[] __initconst = {
87 	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
88 	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
89 	ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
90 };
91 
92 static const u32 qed_mfw_ext_10g[] __initconst = {
93 	ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
94 	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
95 	ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
96 	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
97 	ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
98 	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
99 	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
100 	ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
101 };
102 
103 static const u32 qed_mfw_ext_20g[] __initconst = {
104 	ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
105 };
106 
107 static const u32 qed_mfw_ext_25g[] __initconst = {
108 	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
109 	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
110 	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
111 };
112 
113 static const u32 qed_mfw_ext_40g[] __initconst = {
114 	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
115 	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
116 	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
117 	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
118 };
119 
120 static const u32 qed_mfw_ext_50g_base_r[] __initconst = {
121 	ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
122 	ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
123 	ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
124 	ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
125 	ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
126 };
127 
128 static const u32 qed_mfw_ext_50g_base_r2[] __initconst = {
129 	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
130 	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
131 	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
132 };
133 
134 static const u32 qed_mfw_ext_100g_base_r2[] __initconst = {
135 	ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
136 	ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
137 	ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
138 	ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
139 	ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
140 };
141 
142 static const u32 qed_mfw_ext_100g_base_r4[] __initconst = {
143 	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
144 	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
145 	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
146 	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
147 };
148 
149 static struct qed_mfw_speed_map qed_mfw_ext_maps[] __ro_after_init = {
150 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_1G, qed_mfw_ext_1g),
151 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_10G, qed_mfw_ext_10g),
152 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_20G, qed_mfw_ext_20g),
153 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_25G, qed_mfw_ext_25g),
154 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_40G, qed_mfw_ext_40g),
155 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R,
156 			  qed_mfw_ext_50g_base_r),
157 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R2,
158 			  qed_mfw_ext_50g_base_r2),
159 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R2,
160 			  qed_mfw_ext_100g_base_r2),
161 	QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R4,
162 			  qed_mfw_ext_100g_base_r4),
163 };
164 
165 static const u32 qed_mfw_legacy_1g[] __initconst = {
166 	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
167 	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
168 	ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
169 };
170 
171 static const u32 qed_mfw_legacy_10g[] __initconst = {
172 	ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
173 	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
174 	ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
175 	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
176 	ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
177 	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
178 	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
179 	ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
180 };
181 
182 static const u32 qed_mfw_legacy_20g[] __initconst = {
183 	ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
184 };
185 
186 static const u32 qed_mfw_legacy_25g[] __initconst = {
187 	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
188 	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
189 	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
190 };
191 
192 static const u32 qed_mfw_legacy_40g[] __initconst = {
193 	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
194 	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
195 	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
196 	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
197 };
198 
199 static const u32 qed_mfw_legacy_50g[] __initconst = {
200 	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
201 	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
202 	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
203 };
204 
205 static const u32 qed_mfw_legacy_bb_100g[] __initconst = {
206 	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
207 	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
208 	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
209 	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
210 };
211 
212 static struct qed_mfw_speed_map qed_mfw_legacy_maps[] __ro_after_init = {
213 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G,
214 			  qed_mfw_legacy_1g),
215 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G,
216 			  qed_mfw_legacy_10g),
217 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G,
218 			  qed_mfw_legacy_20g),
219 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G,
220 			  qed_mfw_legacy_25g),
221 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G,
222 			  qed_mfw_legacy_40g),
223 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G,
224 			  qed_mfw_legacy_50g),
225 	QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G,
226 			  qed_mfw_legacy_bb_100g),
227 };
228 
229 static void __init qed_mfw_speed_map_populate(struct qed_mfw_speed_map *map)
230 {
231 	linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
232 
233 	map->cap_arr = NULL;
234 	map->arr_size = 0;
235 }
236 
237 static void __init qed_mfw_speed_maps_init(void)
238 {
239 	u32 i;
240 
241 	for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++)
242 		qed_mfw_speed_map_populate(qed_mfw_ext_maps + i);
243 
244 	for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++)
245 		qed_mfw_speed_map_populate(qed_mfw_legacy_maps + i);
246 }
247 
248 static int __init qed_init(void)
249 {
250 	pr_info("%s", version);
251 
252 	qed_mfw_speed_maps_init();
253 
254 	return 0;
255 }
256 module_init(qed_init);
257 
258 static void __exit qed_exit(void)
259 {
260 	/* To prevent marking this module as "permanent" */
261 }
262 module_exit(qed_exit);
263 
264 /* Check if the DMA controller on the machine can properly handle the DMA
265  * addressing required by the device.
266 */
267 static int qed_set_coherency_mask(struct qed_dev *cdev)
268 {
269 	struct device *dev = &cdev->pdev->dev;
270 
271 	if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
272 		if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
273 			DP_NOTICE(cdev,
274 				  "Can't request 64-bit consistent allocations\n");
275 			return -EIO;
276 		}
277 	} else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
278 		DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
279 		return -EIO;
280 	}
281 
282 	return 0;
283 }
284 
285 static void qed_free_pci(struct qed_dev *cdev)
286 {
287 	struct pci_dev *pdev = cdev->pdev;
288 
289 	pci_disable_pcie_error_reporting(pdev);
290 
291 	if (cdev->doorbells && cdev->db_size)
292 		iounmap(cdev->doorbells);
293 	if (cdev->regview)
294 		iounmap(cdev->regview);
295 	if (atomic_read(&pdev->enable_cnt) == 1)
296 		pci_release_regions(pdev);
297 
298 	pci_disable_device(pdev);
299 }
300 
301 #define PCI_REVISION_ID_ERROR_VAL	0xff
302 
303 /* Performs PCI initializations as well as initializing PCI-related parameters
304  * in the device structrue. Returns 0 in case of success.
305  */
306 static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
307 {
308 	u8 rev_id;
309 	int rc;
310 
311 	cdev->pdev = pdev;
312 
313 	rc = pci_enable_device(pdev);
314 	if (rc) {
315 		DP_NOTICE(cdev, "Cannot enable PCI device\n");
316 		goto err0;
317 	}
318 
319 	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
320 		DP_NOTICE(cdev, "No memory region found in bar #0\n");
321 		rc = -EIO;
322 		goto err1;
323 	}
324 
325 	if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
326 		DP_NOTICE(cdev, "No memory region found in bar #2\n");
327 		rc = -EIO;
328 		goto err1;
329 	}
330 
331 	if (atomic_read(&pdev->enable_cnt) == 1) {
332 		rc = pci_request_regions(pdev, "qed");
333 		if (rc) {
334 			DP_NOTICE(cdev,
335 				  "Failed to request PCI memory resources\n");
336 			goto err1;
337 		}
338 		pci_set_master(pdev);
339 		pci_save_state(pdev);
340 	}
341 
342 	pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
343 	if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
344 		DP_NOTICE(cdev,
345 			  "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
346 			  rev_id);
347 		rc = -ENODEV;
348 		goto err2;
349 	}
350 	if (!pci_is_pcie(pdev)) {
351 		DP_NOTICE(cdev, "The bus is not PCI Express\n");
352 		rc = -EIO;
353 		goto err2;
354 	}
355 
356 	cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
357 	if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
358 		DP_NOTICE(cdev, "Cannot find power management capability\n");
359 
360 	rc = qed_set_coherency_mask(cdev);
361 	if (rc)
362 		goto err2;
363 
364 	cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
365 	cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
366 	cdev->pci_params.irq = pdev->irq;
367 
368 	cdev->regview = pci_ioremap_bar(pdev, 0);
369 	if (!cdev->regview) {
370 		DP_NOTICE(cdev, "Cannot map register space, aborting\n");
371 		rc = -ENOMEM;
372 		goto err2;
373 	}
374 
375 	cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
376 	cdev->db_size = pci_resource_len(cdev->pdev, 2);
377 	if (!cdev->db_size) {
378 		if (IS_PF(cdev)) {
379 			DP_NOTICE(cdev, "No Doorbell bar available\n");
380 			return -EINVAL;
381 		} else {
382 			return 0;
383 		}
384 	}
385 
386 	cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
387 
388 	if (!cdev->doorbells) {
389 		DP_NOTICE(cdev, "Cannot map doorbell space\n");
390 		return -ENOMEM;
391 	}
392 
393 	/* AER (Advanced Error reporting) configuration */
394 	rc = pci_enable_pcie_error_reporting(pdev);
395 	if (rc)
396 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
397 			   "Failed to configure PCIe AER [%d]\n", rc);
398 
399 	return 0;
400 
401 err2:
402 	pci_release_regions(pdev);
403 err1:
404 	pci_disable_device(pdev);
405 err0:
406 	return rc;
407 }
408 
409 int qed_fill_dev_info(struct qed_dev *cdev,
410 		      struct qed_dev_info *dev_info)
411 {
412 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
413 	struct qed_hw_info *hw_info = &p_hwfn->hw_info;
414 	struct qed_tunnel_info *tun = &cdev->tunnel;
415 	struct qed_ptt  *ptt;
416 
417 	memset(dev_info, 0, sizeof(struct qed_dev_info));
418 
419 	if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
420 	    tun->vxlan.b_mode_enabled)
421 		dev_info->vxlan_enable = true;
422 
423 	if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
424 	    tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
425 	    tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
426 		dev_info->gre_enable = true;
427 
428 	if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
429 	    tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
430 	    tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
431 		dev_info->geneve_enable = true;
432 
433 	dev_info->num_hwfns = cdev->num_hwfns;
434 	dev_info->pci_mem_start = cdev->pci_params.mem_start;
435 	dev_info->pci_mem_end = cdev->pci_params.mem_end;
436 	dev_info->pci_irq = cdev->pci_params.irq;
437 	dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
438 	dev_info->dev_type = cdev->type;
439 	ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
440 
441 	if (IS_PF(cdev)) {
442 		dev_info->fw_major = FW_MAJOR_VERSION;
443 		dev_info->fw_minor = FW_MINOR_VERSION;
444 		dev_info->fw_rev = FW_REVISION_VERSION;
445 		dev_info->fw_eng = FW_ENGINEERING_VERSION;
446 		dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
447 						       &cdev->mf_bits);
448 		if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits))
449 			dev_info->b_arfs_capable = true;
450 		dev_info->tx_switching = true;
451 
452 		if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
453 			dev_info->wol_support = true;
454 
455 		dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
456 
457 		dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
458 	} else {
459 		qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
460 				      &dev_info->fw_minor, &dev_info->fw_rev,
461 				      &dev_info->fw_eng);
462 	}
463 
464 	if (IS_PF(cdev)) {
465 		ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
466 		if (ptt) {
467 			qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
468 					    &dev_info->mfw_rev, NULL);
469 
470 			qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
471 					    &dev_info->mbi_version);
472 
473 			qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
474 					       &dev_info->flash_size);
475 
476 			qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
477 		}
478 	} else {
479 		qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
480 				    &dev_info->mfw_rev, NULL);
481 	}
482 
483 	dev_info->mtu = hw_info->mtu;
484 	cdev->common_dev_info = *dev_info;
485 
486 	return 0;
487 }
488 
489 static void qed_free_cdev(struct qed_dev *cdev)
490 {
491 	kfree((void *)cdev);
492 }
493 
494 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
495 {
496 	struct qed_dev *cdev;
497 
498 	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
499 	if (!cdev)
500 		return cdev;
501 
502 	qed_init_struct(cdev);
503 
504 	return cdev;
505 }
506 
507 /* Sets the requested power state */
508 static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
509 {
510 	if (!cdev)
511 		return -ENODEV;
512 
513 	DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
514 	return 0;
515 }
516 
517 /* probing */
518 static struct qed_dev *qed_probe(struct pci_dev *pdev,
519 				 struct qed_probe_params *params)
520 {
521 	struct qed_dev *cdev;
522 	int rc;
523 
524 	cdev = qed_alloc_cdev(pdev);
525 	if (!cdev)
526 		goto err0;
527 
528 	cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
529 	cdev->protocol = params->protocol;
530 
531 	if (params->is_vf)
532 		cdev->b_is_vf = true;
533 
534 	qed_init_dp(cdev, params->dp_module, params->dp_level);
535 
536 	cdev->recov_in_prog = params->recov_in_prog;
537 
538 	rc = qed_init_pci(cdev, pdev);
539 	if (rc) {
540 		DP_ERR(cdev, "init pci failed\n");
541 		goto err1;
542 	}
543 	DP_INFO(cdev, "PCI init completed successfully\n");
544 
545 	rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
546 	if (rc) {
547 		DP_ERR(cdev, "hw prepare failed\n");
548 		goto err2;
549 	}
550 
551 	DP_INFO(cdev, "qed_probe completed successfully\n");
552 
553 	return cdev;
554 
555 err2:
556 	qed_free_pci(cdev);
557 err1:
558 	qed_free_cdev(cdev);
559 err0:
560 	return NULL;
561 }
562 
563 static void qed_remove(struct qed_dev *cdev)
564 {
565 	if (!cdev)
566 		return;
567 
568 	qed_hw_remove(cdev);
569 
570 	qed_free_pci(cdev);
571 
572 	qed_set_power_state(cdev, PCI_D3hot);
573 
574 	qed_free_cdev(cdev);
575 }
576 
577 static void qed_disable_msix(struct qed_dev *cdev)
578 {
579 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
580 		pci_disable_msix(cdev->pdev);
581 		kfree(cdev->int_params.msix_table);
582 	} else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
583 		pci_disable_msi(cdev->pdev);
584 	}
585 
586 	memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
587 }
588 
589 static int qed_enable_msix(struct qed_dev *cdev,
590 			   struct qed_int_params *int_params)
591 {
592 	int i, rc, cnt;
593 
594 	cnt = int_params->in.num_vectors;
595 
596 	for (i = 0; i < cnt; i++)
597 		int_params->msix_table[i].entry = i;
598 
599 	rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
600 				   int_params->in.min_msix_cnt, cnt);
601 	if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
602 	    (rc % cdev->num_hwfns)) {
603 		pci_disable_msix(cdev->pdev);
604 
605 		/* If fastpath is initialized, we need at least one interrupt
606 		 * per hwfn [and the slow path interrupts]. New requested number
607 		 * should be a multiple of the number of hwfns.
608 		 */
609 		cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
610 		DP_NOTICE(cdev,
611 			  "Trying to enable MSI-X with less vectors (%d out of %d)\n",
612 			  cnt, int_params->in.num_vectors);
613 		rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
614 					   cnt);
615 		if (!rc)
616 			rc = cnt;
617 	}
618 
619 	/* For VFs, we should return with an error in case we didn't get the
620 	 * exact number of msix vectors as we requested.
621 	 * Not doing that will lead to a crash when starting queues for
622 	 * this VF.
623 	 */
624 	if ((IS_PF(cdev) && rc > 0) || (IS_VF(cdev) && rc == cnt)) {
625 		/* MSI-x configuration was achieved */
626 		int_params->out.int_mode = QED_INT_MODE_MSIX;
627 		int_params->out.num_vectors = rc;
628 		rc = 0;
629 	} else {
630 		DP_NOTICE(cdev,
631 			  "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
632 			  cnt, rc);
633 	}
634 
635 	return rc;
636 }
637 
638 /* This function outputs the int mode and the number of enabled msix vector */
639 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
640 {
641 	struct qed_int_params *int_params = &cdev->int_params;
642 	struct msix_entry *tbl;
643 	int rc = 0, cnt;
644 
645 	switch (int_params->in.int_mode) {
646 	case QED_INT_MODE_MSIX:
647 		/* Allocate MSIX table */
648 		cnt = int_params->in.num_vectors;
649 		int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
650 		if (!int_params->msix_table) {
651 			rc = -ENOMEM;
652 			goto out;
653 		}
654 
655 		/* Enable MSIX */
656 		rc = qed_enable_msix(cdev, int_params);
657 		if (!rc)
658 			goto out;
659 
660 		DP_NOTICE(cdev, "Failed to enable MSI-X\n");
661 		kfree(int_params->msix_table);
662 		if (force_mode)
663 			goto out;
664 		fallthrough;
665 
666 	case QED_INT_MODE_MSI:
667 		if (cdev->num_hwfns == 1) {
668 			rc = pci_enable_msi(cdev->pdev);
669 			if (!rc) {
670 				int_params->out.int_mode = QED_INT_MODE_MSI;
671 				goto out;
672 			}
673 
674 			DP_NOTICE(cdev, "Failed to enable MSI\n");
675 			if (force_mode)
676 				goto out;
677 		}
678 		fallthrough;
679 
680 	case QED_INT_MODE_INTA:
681 			int_params->out.int_mode = QED_INT_MODE_INTA;
682 			rc = 0;
683 			goto out;
684 	default:
685 		DP_NOTICE(cdev, "Unknown int_mode value %d\n",
686 			  int_params->in.int_mode);
687 		rc = -EINVAL;
688 	}
689 
690 out:
691 	if (!rc)
692 		DP_INFO(cdev, "Using %s interrupts\n",
693 			int_params->out.int_mode == QED_INT_MODE_INTA ?
694 			"INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
695 			"MSI" : "MSIX");
696 	cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
697 
698 	return rc;
699 }
700 
701 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
702 				    int index, void(*handler)(void *))
703 {
704 	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
705 	int relative_idx = index / cdev->num_hwfns;
706 
707 	hwfn->simd_proto_handler[relative_idx].func = handler;
708 	hwfn->simd_proto_handler[relative_idx].token = token;
709 }
710 
711 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
712 {
713 	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
714 	int relative_idx = index / cdev->num_hwfns;
715 
716 	memset(&hwfn->simd_proto_handler[relative_idx], 0,
717 	       sizeof(struct qed_simd_fp_handler));
718 }
719 
720 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
721 {
722 	tasklet_schedule((struct tasklet_struct *)tasklet);
723 	return IRQ_HANDLED;
724 }
725 
726 static irqreturn_t qed_single_int(int irq, void *dev_instance)
727 {
728 	struct qed_dev *cdev = (struct qed_dev *)dev_instance;
729 	struct qed_hwfn *hwfn;
730 	irqreturn_t rc = IRQ_NONE;
731 	u64 status;
732 	int i, j;
733 
734 	for (i = 0; i < cdev->num_hwfns; i++) {
735 		status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
736 
737 		if (!status)
738 			continue;
739 
740 		hwfn = &cdev->hwfns[i];
741 
742 		/* Slowpath interrupt */
743 		if (unlikely(status & 0x1)) {
744 			tasklet_schedule(&hwfn->sp_dpc);
745 			status &= ~0x1;
746 			rc = IRQ_HANDLED;
747 		}
748 
749 		/* Fastpath interrupts */
750 		for (j = 0; j < 64; j++) {
751 			if ((0x2ULL << j) & status) {
752 				struct qed_simd_fp_handler *p_handler =
753 					&hwfn->simd_proto_handler[j];
754 
755 				if (p_handler->func)
756 					p_handler->func(p_handler->token);
757 				else
758 					DP_NOTICE(hwfn,
759 						  "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
760 						  j, status);
761 
762 				status &= ~(0x2ULL << j);
763 				rc = IRQ_HANDLED;
764 			}
765 		}
766 
767 		if (unlikely(status))
768 			DP_VERBOSE(hwfn, NETIF_MSG_INTR,
769 				   "got an unknown interrupt status 0x%llx\n",
770 				   status);
771 	}
772 
773 	return rc;
774 }
775 
776 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
777 {
778 	struct qed_dev *cdev = hwfn->cdev;
779 	u32 int_mode;
780 	int rc = 0;
781 	u8 id;
782 
783 	int_mode = cdev->int_params.out.int_mode;
784 	if (int_mode == QED_INT_MODE_MSIX) {
785 		id = hwfn->my_id;
786 		snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
787 			 id, cdev->pdev->bus->number,
788 			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
789 		rc = request_irq(cdev->int_params.msix_table[id].vector,
790 				 qed_msix_sp_int, 0, hwfn->name, &hwfn->sp_dpc);
791 	} else {
792 		unsigned long flags = 0;
793 
794 		snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
795 			 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
796 			 PCI_FUNC(cdev->pdev->devfn));
797 
798 		if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
799 			flags |= IRQF_SHARED;
800 
801 		rc = request_irq(cdev->pdev->irq, qed_single_int,
802 				 flags, cdev->name, cdev);
803 	}
804 
805 	if (rc)
806 		DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
807 	else
808 		DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
809 			   "Requested slowpath %s\n",
810 			   (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
811 
812 	return rc;
813 }
814 
815 static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
816 {
817 	/* Calling the disable function will make sure that any
818 	 * currently-running function is completed. The following call to the
819 	 * enable function makes this sequence a flush-like operation.
820 	 */
821 	if (p_hwfn->b_sp_dpc_enabled) {
822 		tasklet_disable(&p_hwfn->sp_dpc);
823 		tasklet_enable(&p_hwfn->sp_dpc);
824 	}
825 }
826 
827 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
828 {
829 	struct qed_dev *cdev = p_hwfn->cdev;
830 	u8 id = p_hwfn->my_id;
831 	u32 int_mode;
832 
833 	int_mode = cdev->int_params.out.int_mode;
834 	if (int_mode == QED_INT_MODE_MSIX)
835 		synchronize_irq(cdev->int_params.msix_table[id].vector);
836 	else
837 		synchronize_irq(cdev->pdev->irq);
838 
839 	qed_slowpath_tasklet_flush(p_hwfn);
840 }
841 
842 static void qed_slowpath_irq_free(struct qed_dev *cdev)
843 {
844 	int i;
845 
846 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
847 		for_each_hwfn(cdev, i) {
848 			if (!cdev->hwfns[i].b_int_requested)
849 				break;
850 			synchronize_irq(cdev->int_params.msix_table[i].vector);
851 			free_irq(cdev->int_params.msix_table[i].vector,
852 				 &cdev->hwfns[i].sp_dpc);
853 		}
854 	} else {
855 		if (QED_LEADING_HWFN(cdev)->b_int_requested)
856 			free_irq(cdev->pdev->irq, cdev);
857 	}
858 	qed_int_disable_post_isr_release(cdev);
859 }
860 
861 static int qed_nic_stop(struct qed_dev *cdev)
862 {
863 	int i, rc;
864 
865 	rc = qed_hw_stop(cdev);
866 
867 	for (i = 0; i < cdev->num_hwfns; i++) {
868 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
869 
870 		if (p_hwfn->b_sp_dpc_enabled) {
871 			tasklet_disable(&p_hwfn->sp_dpc);
872 			p_hwfn->b_sp_dpc_enabled = false;
873 			DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
874 				   "Disabled sp tasklet [hwfn %d] at %p\n",
875 				   i, &p_hwfn->sp_dpc);
876 		}
877 	}
878 
879 	qed_dbg_pf_exit(cdev);
880 
881 	return rc;
882 }
883 
884 static int qed_nic_setup(struct qed_dev *cdev)
885 {
886 	int rc, i;
887 
888 	/* Determine if interface is going to require LL2 */
889 	if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
890 		for (i = 0; i < cdev->num_hwfns; i++) {
891 			struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
892 
893 			p_hwfn->using_ll2 = true;
894 		}
895 	}
896 
897 	rc = qed_resc_alloc(cdev);
898 	if (rc)
899 		return rc;
900 
901 	DP_INFO(cdev, "Allocated qed resources\n");
902 
903 	qed_resc_setup(cdev);
904 
905 	return rc;
906 }
907 
908 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
909 {
910 	int limit = 0;
911 
912 	/* Mark the fastpath as free/used */
913 	cdev->int_params.fp_initialized = cnt ? true : false;
914 
915 	if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
916 		limit = cdev->num_hwfns * 63;
917 	else if (cdev->int_params.fp_msix_cnt)
918 		limit = cdev->int_params.fp_msix_cnt;
919 
920 	if (!limit)
921 		return -ENOMEM;
922 
923 	return min_t(int, cnt, limit);
924 }
925 
926 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
927 {
928 	memset(info, 0, sizeof(struct qed_int_info));
929 
930 	if (!cdev->int_params.fp_initialized) {
931 		DP_INFO(cdev,
932 			"Protocol driver requested interrupt information, but its support is not yet configured\n");
933 		return -EINVAL;
934 	}
935 
936 	/* Need to expose only MSI-X information; Single IRQ is handled solely
937 	 * by qed.
938 	 */
939 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
940 		int msix_base = cdev->int_params.fp_msix_base;
941 
942 		info->msix_cnt = cdev->int_params.fp_msix_cnt;
943 		info->msix = &cdev->int_params.msix_table[msix_base];
944 	}
945 
946 	return 0;
947 }
948 
949 static int qed_slowpath_setup_int(struct qed_dev *cdev,
950 				  enum qed_int_mode int_mode)
951 {
952 	struct qed_sb_cnt_info sb_cnt_info;
953 	int num_l2_queues = 0;
954 	int rc;
955 	int i;
956 
957 	if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
958 		DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
959 		return -EINVAL;
960 	}
961 
962 	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
963 	cdev->int_params.in.int_mode = int_mode;
964 	for_each_hwfn(cdev, i) {
965 		memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
966 		qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
967 		cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
968 		cdev->int_params.in.num_vectors++; /* slowpath */
969 	}
970 
971 	/* We want a minimum of one slowpath and one fastpath vector per hwfn */
972 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
973 
974 	if (is_kdump_kernel()) {
975 		DP_INFO(cdev,
976 			"Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
977 			cdev->int_params.in.min_msix_cnt);
978 		cdev->int_params.in.num_vectors =
979 			cdev->int_params.in.min_msix_cnt;
980 	}
981 
982 	rc = qed_set_int_mode(cdev, false);
983 	if (rc)  {
984 		DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
985 		return rc;
986 	}
987 
988 	cdev->int_params.fp_msix_base = cdev->num_hwfns;
989 	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
990 				       cdev->num_hwfns;
991 
992 	if (!IS_ENABLED(CONFIG_QED_RDMA) ||
993 	    !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
994 		return 0;
995 
996 	for_each_hwfn(cdev, i)
997 		num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
998 
999 	DP_VERBOSE(cdev, QED_MSG_RDMA,
1000 		   "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
1001 		   cdev->int_params.fp_msix_cnt, num_l2_queues);
1002 
1003 	if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
1004 		cdev->int_params.rdma_msix_cnt =
1005 			(cdev->int_params.fp_msix_cnt - num_l2_queues)
1006 			/ cdev->num_hwfns;
1007 		cdev->int_params.rdma_msix_base =
1008 			cdev->int_params.fp_msix_base + num_l2_queues;
1009 		cdev->int_params.fp_msix_cnt = num_l2_queues;
1010 	} else {
1011 		cdev->int_params.rdma_msix_cnt = 0;
1012 	}
1013 
1014 	DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
1015 		   cdev->int_params.rdma_msix_cnt,
1016 		   cdev->int_params.rdma_msix_base);
1017 
1018 	return 0;
1019 }
1020 
1021 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
1022 {
1023 	int rc;
1024 
1025 	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
1026 	cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
1027 
1028 	qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
1029 			    &cdev->int_params.in.num_vectors);
1030 	if (cdev->num_hwfns > 1) {
1031 		u8 vectors = 0;
1032 
1033 		qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
1034 		cdev->int_params.in.num_vectors += vectors;
1035 	}
1036 
1037 	/* We want a minimum of one fastpath vector per vf hwfn */
1038 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
1039 
1040 	rc = qed_set_int_mode(cdev, true);
1041 	if (rc)
1042 		return rc;
1043 
1044 	cdev->int_params.fp_msix_base = 0;
1045 	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
1046 
1047 	return 0;
1048 }
1049 
1050 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
1051 		   u8 *input_buf, u32 max_size, u8 *unzip_buf)
1052 {
1053 	int rc;
1054 
1055 	p_hwfn->stream->next_in = input_buf;
1056 	p_hwfn->stream->avail_in = input_len;
1057 	p_hwfn->stream->next_out = unzip_buf;
1058 	p_hwfn->stream->avail_out = max_size;
1059 
1060 	rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
1061 
1062 	if (rc != Z_OK) {
1063 		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
1064 			   rc);
1065 		return 0;
1066 	}
1067 
1068 	rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
1069 	zlib_inflateEnd(p_hwfn->stream);
1070 
1071 	if (rc != Z_OK && rc != Z_STREAM_END) {
1072 		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
1073 			   p_hwfn->stream->msg, rc);
1074 		return 0;
1075 	}
1076 
1077 	return p_hwfn->stream->total_out / 4;
1078 }
1079 
1080 static int qed_alloc_stream_mem(struct qed_dev *cdev)
1081 {
1082 	int i;
1083 	void *workspace;
1084 
1085 	for_each_hwfn(cdev, i) {
1086 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1087 
1088 		p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
1089 		if (!p_hwfn->stream)
1090 			return -ENOMEM;
1091 
1092 		workspace = vzalloc(zlib_inflate_workspacesize());
1093 		if (!workspace)
1094 			return -ENOMEM;
1095 		p_hwfn->stream->workspace = workspace;
1096 	}
1097 
1098 	return 0;
1099 }
1100 
1101 static void qed_free_stream_mem(struct qed_dev *cdev)
1102 {
1103 	int i;
1104 
1105 	for_each_hwfn(cdev, i) {
1106 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1107 
1108 		if (!p_hwfn->stream)
1109 			return;
1110 
1111 		vfree(p_hwfn->stream->workspace);
1112 		kfree(p_hwfn->stream);
1113 	}
1114 }
1115 
1116 static void qed_update_pf_params(struct qed_dev *cdev,
1117 				 struct qed_pf_params *params)
1118 {
1119 	int i;
1120 
1121 	if (IS_ENABLED(CONFIG_QED_RDMA)) {
1122 		params->rdma_pf_params.num_qps = QED_ROCE_QPS;
1123 		params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
1124 		params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
1125 		/* divide by 3 the MRs to avoid MF ILT overflow */
1126 		params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
1127 	}
1128 
1129 	if (cdev->num_hwfns > 1 || IS_VF(cdev))
1130 		params->eth_pf_params.num_arfs_filters = 0;
1131 
1132 	/* In case we might support RDMA, don't allow qede to be greedy
1133 	 * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
1134 	 * per hwfn.
1135 	 */
1136 	if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
1137 		u16 *num_cons;
1138 
1139 		num_cons = &params->eth_pf_params.num_cons;
1140 		*num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
1141 	}
1142 
1143 	for (i = 0; i < cdev->num_hwfns; i++) {
1144 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1145 
1146 		p_hwfn->pf_params = *params;
1147 	}
1148 }
1149 
1150 #define QED_PERIODIC_DB_REC_COUNT		10
1151 #define QED_PERIODIC_DB_REC_INTERVAL_MS		100
1152 #define QED_PERIODIC_DB_REC_INTERVAL \
1153 	msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
1154 
1155 static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
1156 				     enum qed_slowpath_wq_flag wq_flag,
1157 				     unsigned long delay)
1158 {
1159 	if (!hwfn->slowpath_wq_active)
1160 		return -EINVAL;
1161 
1162 	/* Memory barrier for setting atomic bit */
1163 	smp_mb__before_atomic();
1164 	set_bit(wq_flag, &hwfn->slowpath_task_flags);
1165 	smp_mb__after_atomic();
1166 	queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
1167 
1168 	return 0;
1169 }
1170 
1171 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
1172 {
1173 	/* Reset periodic Doorbell Recovery counter */
1174 	p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1175 
1176 	/* Don't schedule periodic Doorbell Recovery if already scheduled */
1177 	if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1178 		     &p_hwfn->slowpath_task_flags))
1179 		return;
1180 
1181 	qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1182 				  QED_PERIODIC_DB_REC_INTERVAL);
1183 }
1184 
1185 static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1186 {
1187 	int i;
1188 
1189 	if (IS_VF(cdev))
1190 		return;
1191 
1192 	for_each_hwfn(cdev, i) {
1193 		if (!cdev->hwfns[i].slowpath_wq)
1194 			continue;
1195 
1196 		/* Stop queuing new delayed works */
1197 		cdev->hwfns[i].slowpath_wq_active = false;
1198 
1199 		cancel_delayed_work(&cdev->hwfns[i].slowpath_task);
1200 		destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1201 	}
1202 }
1203 
1204 static void qed_slowpath_task(struct work_struct *work)
1205 {
1206 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1207 					     slowpath_task.work);
1208 	struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1209 
1210 	if (!ptt) {
1211 		if (hwfn->slowpath_wq_active)
1212 			queue_delayed_work(hwfn->slowpath_wq,
1213 					   &hwfn->slowpath_task, 0);
1214 
1215 		return;
1216 	}
1217 
1218 	if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1219 			       &hwfn->slowpath_task_flags))
1220 		qed_mfw_process_tlv_req(hwfn, ptt);
1221 
1222 	if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1223 			       &hwfn->slowpath_task_flags)) {
1224 		qed_db_rec_handler(hwfn, ptt);
1225 		if (hwfn->periodic_db_rec_count--)
1226 			qed_slowpath_delayed_work(hwfn,
1227 						  QED_SLOWPATH_PERIODIC_DB_REC,
1228 						  QED_PERIODIC_DB_REC_INTERVAL);
1229 	}
1230 
1231 	qed_ptt_release(hwfn, ptt);
1232 }
1233 
1234 static int qed_slowpath_wq_start(struct qed_dev *cdev)
1235 {
1236 	struct qed_hwfn *hwfn;
1237 	char name[NAME_SIZE];
1238 	int i;
1239 
1240 	if (IS_VF(cdev))
1241 		return 0;
1242 
1243 	for_each_hwfn(cdev, i) {
1244 		hwfn = &cdev->hwfns[i];
1245 
1246 		snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1247 			 cdev->pdev->bus->number,
1248 			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1249 
1250 		hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1251 		if (!hwfn->slowpath_wq) {
1252 			DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1253 			return -ENOMEM;
1254 		}
1255 
1256 		INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1257 		hwfn->slowpath_wq_active = true;
1258 	}
1259 
1260 	return 0;
1261 }
1262 
1263 static int qed_slowpath_start(struct qed_dev *cdev,
1264 			      struct qed_slowpath_params *params)
1265 {
1266 	struct qed_drv_load_params drv_load_params;
1267 	struct qed_hw_init_params hw_init_params;
1268 	struct qed_mcp_drv_version drv_version;
1269 	struct qed_tunnel_info tunn_info;
1270 	const u8 *data = NULL;
1271 	struct qed_hwfn *hwfn;
1272 	struct qed_ptt *p_ptt;
1273 	int rc = -EINVAL;
1274 
1275 	if (qed_iov_wq_start(cdev))
1276 		goto err;
1277 
1278 	if (qed_slowpath_wq_start(cdev))
1279 		goto err;
1280 
1281 	if (IS_PF(cdev)) {
1282 		rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1283 				      &cdev->pdev->dev);
1284 		if (rc) {
1285 			DP_NOTICE(cdev,
1286 				  "Failed to find fw file - /lib/firmware/%s\n",
1287 				  QED_FW_FILE_NAME);
1288 			goto err;
1289 		}
1290 
1291 		if (cdev->num_hwfns == 1) {
1292 			p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1293 			if (p_ptt) {
1294 				QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1295 			} else {
1296 				DP_NOTICE(cdev,
1297 					  "Failed to acquire PTT for aRFS\n");
1298 				goto err;
1299 			}
1300 		}
1301 	}
1302 
1303 	cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1304 	rc = qed_nic_setup(cdev);
1305 	if (rc)
1306 		goto err;
1307 
1308 	if (IS_PF(cdev))
1309 		rc = qed_slowpath_setup_int(cdev, params->int_mode);
1310 	else
1311 		rc = qed_slowpath_vf_setup_int(cdev);
1312 	if (rc)
1313 		goto err1;
1314 
1315 	if (IS_PF(cdev)) {
1316 		/* Allocate stream for unzipping */
1317 		rc = qed_alloc_stream_mem(cdev);
1318 		if (rc)
1319 			goto err2;
1320 
1321 		/* First Dword used to differentiate between various sources */
1322 		data = cdev->firmware->data + sizeof(u32);
1323 
1324 		qed_dbg_pf_init(cdev);
1325 	}
1326 
1327 	/* Start the slowpath */
1328 	memset(&hw_init_params, 0, sizeof(hw_init_params));
1329 	memset(&tunn_info, 0, sizeof(tunn_info));
1330 	tunn_info.vxlan.b_mode_enabled = true;
1331 	tunn_info.l2_gre.b_mode_enabled = true;
1332 	tunn_info.ip_gre.b_mode_enabled = true;
1333 	tunn_info.l2_geneve.b_mode_enabled = true;
1334 	tunn_info.ip_geneve.b_mode_enabled = true;
1335 	tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1336 	tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1337 	tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1338 	tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1339 	tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1340 	hw_init_params.p_tunn = &tunn_info;
1341 	hw_init_params.b_hw_start = true;
1342 	hw_init_params.int_mode = cdev->int_params.out.int_mode;
1343 	hw_init_params.allow_npar_tx_switch = true;
1344 	hw_init_params.bin_fw_data = data;
1345 
1346 	memset(&drv_load_params, 0, sizeof(drv_load_params));
1347 	drv_load_params.is_crash_kernel = is_kdump_kernel();
1348 	drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1349 	drv_load_params.avoid_eng_reset = false;
1350 	drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1351 	hw_init_params.p_drv_load_params = &drv_load_params;
1352 
1353 	rc = qed_hw_init(cdev, &hw_init_params);
1354 	if (rc)
1355 		goto err2;
1356 
1357 	DP_INFO(cdev,
1358 		"HW initialization and function start completed successfully\n");
1359 
1360 	if (IS_PF(cdev)) {
1361 		cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1362 					   BIT(QED_MODE_L2GENEVE_TUNN) |
1363 					   BIT(QED_MODE_IPGENEVE_TUNN) |
1364 					   BIT(QED_MODE_L2GRE_TUNN) |
1365 					   BIT(QED_MODE_IPGRE_TUNN));
1366 	}
1367 
1368 	/* Allocate LL2 interface if needed */
1369 	if (QED_LEADING_HWFN(cdev)->using_ll2) {
1370 		rc = qed_ll2_alloc_if(cdev);
1371 		if (rc)
1372 			goto err3;
1373 	}
1374 	if (IS_PF(cdev)) {
1375 		hwfn = QED_LEADING_HWFN(cdev);
1376 		drv_version.version = (params->drv_major << 24) |
1377 				      (params->drv_minor << 16) |
1378 				      (params->drv_rev << 8) |
1379 				      (params->drv_eng);
1380 		strlcpy(drv_version.name, params->name,
1381 			MCP_DRV_VER_STR_SIZE - 4);
1382 		rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1383 					      &drv_version);
1384 		if (rc) {
1385 			DP_NOTICE(cdev, "Failed sending drv version command\n");
1386 			goto err4;
1387 		}
1388 	}
1389 
1390 	qed_reset_vport_stats(cdev);
1391 
1392 	return 0;
1393 
1394 err4:
1395 	qed_ll2_dealloc_if(cdev);
1396 err3:
1397 	qed_hw_stop(cdev);
1398 err2:
1399 	qed_hw_timers_stop_all(cdev);
1400 	if (IS_PF(cdev))
1401 		qed_slowpath_irq_free(cdev);
1402 	qed_free_stream_mem(cdev);
1403 	qed_disable_msix(cdev);
1404 err1:
1405 	qed_resc_free(cdev);
1406 err:
1407 	if (IS_PF(cdev))
1408 		release_firmware(cdev->firmware);
1409 
1410 	if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1411 	    QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1412 		qed_ptt_release(QED_LEADING_HWFN(cdev),
1413 				QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1414 
1415 	qed_iov_wq_stop(cdev, false);
1416 
1417 	qed_slowpath_wq_stop(cdev);
1418 
1419 	return rc;
1420 }
1421 
1422 static int qed_slowpath_stop(struct qed_dev *cdev)
1423 {
1424 	if (!cdev)
1425 		return -ENODEV;
1426 
1427 	qed_slowpath_wq_stop(cdev);
1428 
1429 	qed_ll2_dealloc_if(cdev);
1430 
1431 	if (IS_PF(cdev)) {
1432 		if (cdev->num_hwfns == 1)
1433 			qed_ptt_release(QED_LEADING_HWFN(cdev),
1434 					QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1435 		qed_free_stream_mem(cdev);
1436 		if (IS_QED_ETH_IF(cdev))
1437 			qed_sriov_disable(cdev, true);
1438 	}
1439 
1440 	qed_nic_stop(cdev);
1441 
1442 	if (IS_PF(cdev))
1443 		qed_slowpath_irq_free(cdev);
1444 
1445 	qed_disable_msix(cdev);
1446 
1447 	qed_resc_free(cdev);
1448 
1449 	qed_iov_wq_stop(cdev, true);
1450 
1451 	if (IS_PF(cdev))
1452 		release_firmware(cdev->firmware);
1453 
1454 	return 0;
1455 }
1456 
1457 static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1458 {
1459 	int i;
1460 
1461 	memcpy(cdev->name, name, NAME_SIZE);
1462 	for_each_hwfn(cdev, i)
1463 		snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1464 }
1465 
1466 static u32 qed_sb_init(struct qed_dev *cdev,
1467 		       struct qed_sb_info *sb_info,
1468 		       void *sb_virt_addr,
1469 		       dma_addr_t sb_phy_addr, u16 sb_id,
1470 		       enum qed_sb_type type)
1471 {
1472 	struct qed_hwfn *p_hwfn;
1473 	struct qed_ptt *p_ptt;
1474 	u16 rel_sb_id;
1475 	u32 rc;
1476 
1477 	/* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1478 	if (type == QED_SB_TYPE_L2_QUEUE) {
1479 		p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1480 		rel_sb_id = sb_id / cdev->num_hwfns;
1481 	} else {
1482 		p_hwfn = QED_AFFIN_HWFN(cdev);
1483 		rel_sb_id = sb_id;
1484 	}
1485 
1486 	DP_VERBOSE(cdev, NETIF_MSG_INTR,
1487 		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1488 		   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1489 
1490 	if (IS_PF(p_hwfn->cdev)) {
1491 		p_ptt = qed_ptt_acquire(p_hwfn);
1492 		if (!p_ptt)
1493 			return -EBUSY;
1494 
1495 		rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1496 				     sb_phy_addr, rel_sb_id);
1497 		qed_ptt_release(p_hwfn, p_ptt);
1498 	} else {
1499 		rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1500 				     sb_phy_addr, rel_sb_id);
1501 	}
1502 
1503 	return rc;
1504 }
1505 
1506 static u32 qed_sb_release(struct qed_dev *cdev,
1507 			  struct qed_sb_info *sb_info,
1508 			  u16 sb_id,
1509 			  enum qed_sb_type type)
1510 {
1511 	struct qed_hwfn *p_hwfn;
1512 	u16 rel_sb_id;
1513 	u32 rc;
1514 
1515 	/* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1516 	if (type == QED_SB_TYPE_L2_QUEUE) {
1517 		p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1518 		rel_sb_id = sb_id / cdev->num_hwfns;
1519 	} else {
1520 		p_hwfn = QED_AFFIN_HWFN(cdev);
1521 		rel_sb_id = sb_id;
1522 	}
1523 
1524 	DP_VERBOSE(cdev, NETIF_MSG_INTR,
1525 		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1526 		   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1527 
1528 	rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1529 
1530 	return rc;
1531 }
1532 
1533 static bool qed_can_link_change(struct qed_dev *cdev)
1534 {
1535 	return true;
1536 }
1537 
1538 static void qed_set_ext_speed_params(struct qed_mcp_link_params *link_params,
1539 				     const struct qed_link_params *params)
1540 {
1541 	struct qed_mcp_link_speed_params *ext_speed = &link_params->ext_speed;
1542 	const struct qed_mfw_speed_map *map;
1543 	u32 i;
1544 
1545 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1546 		ext_speed->autoneg = !!params->autoneg;
1547 
1548 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1549 		ext_speed->advertised_speeds = 0;
1550 
1551 		for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++) {
1552 			map = qed_mfw_ext_maps + i;
1553 
1554 			if (linkmode_intersects(params->adv_speeds, map->caps))
1555 				ext_speed->advertised_speeds |= map->mfw_val;
1556 		}
1557 	}
1558 
1559 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED) {
1560 		switch (params->forced_speed) {
1561 		case SPEED_1000:
1562 			ext_speed->forced_speed = QED_EXT_SPEED_1G;
1563 			break;
1564 		case SPEED_10000:
1565 			ext_speed->forced_speed = QED_EXT_SPEED_10G;
1566 			break;
1567 		case SPEED_20000:
1568 			ext_speed->forced_speed = QED_EXT_SPEED_20G;
1569 			break;
1570 		case SPEED_25000:
1571 			ext_speed->forced_speed = QED_EXT_SPEED_25G;
1572 			break;
1573 		case SPEED_40000:
1574 			ext_speed->forced_speed = QED_EXT_SPEED_40G;
1575 			break;
1576 		case SPEED_50000:
1577 			ext_speed->forced_speed = QED_EXT_SPEED_50G_R |
1578 						  QED_EXT_SPEED_50G_R2;
1579 			break;
1580 		case SPEED_100000:
1581 			ext_speed->forced_speed = QED_EXT_SPEED_100G_R2 |
1582 						  QED_EXT_SPEED_100G_R4 |
1583 						  QED_EXT_SPEED_100G_P4;
1584 			break;
1585 		default:
1586 			break;
1587 		}
1588 	}
1589 
1590 	if (!(params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG))
1591 		return;
1592 
1593 	switch (params->forced_speed) {
1594 	case SPEED_25000:
1595 		switch (params->fec) {
1596 		case FEC_FORCE_MODE_NONE:
1597 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_NONE;
1598 			break;
1599 		case FEC_FORCE_MODE_FIRECODE:
1600 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_BASE_R;
1601 			break;
1602 		case FEC_FORCE_MODE_RS:
1603 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528;
1604 			break;
1605 		case FEC_FORCE_MODE_AUTO:
1606 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528 |
1607 						    ETH_EXT_FEC_25G_BASE_R |
1608 						    ETH_EXT_FEC_25G_NONE;
1609 			break;
1610 		default:
1611 			break;
1612 		}
1613 
1614 		break;
1615 	case SPEED_40000:
1616 		switch (params->fec) {
1617 		case FEC_FORCE_MODE_NONE:
1618 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_NONE;
1619 			break;
1620 		case FEC_FORCE_MODE_FIRECODE:
1621 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R;
1622 			break;
1623 		case FEC_FORCE_MODE_AUTO:
1624 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R |
1625 						    ETH_EXT_FEC_40G_NONE;
1626 			break;
1627 		default:
1628 			break;
1629 		}
1630 
1631 		break;
1632 	case SPEED_50000:
1633 		switch (params->fec) {
1634 		case FEC_FORCE_MODE_NONE:
1635 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_NONE;
1636 			break;
1637 		case FEC_FORCE_MODE_FIRECODE:
1638 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_BASE_R;
1639 			break;
1640 		case FEC_FORCE_MODE_RS:
1641 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528;
1642 			break;
1643 		case FEC_FORCE_MODE_AUTO:
1644 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528 |
1645 						    ETH_EXT_FEC_50G_BASE_R |
1646 						    ETH_EXT_FEC_50G_NONE;
1647 			break;
1648 		default:
1649 			break;
1650 		}
1651 
1652 		break;
1653 	case SPEED_100000:
1654 		switch (params->fec) {
1655 		case FEC_FORCE_MODE_NONE:
1656 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_NONE;
1657 			break;
1658 		case FEC_FORCE_MODE_FIRECODE:
1659 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_BASE_R;
1660 			break;
1661 		case FEC_FORCE_MODE_RS:
1662 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528;
1663 			break;
1664 		case FEC_FORCE_MODE_AUTO:
1665 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528 |
1666 						    ETH_EXT_FEC_100G_BASE_R |
1667 						    ETH_EXT_FEC_100G_NONE;
1668 			break;
1669 		default:
1670 			break;
1671 		}
1672 
1673 		break;
1674 	default:
1675 		break;
1676 	}
1677 }
1678 
1679 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1680 {
1681 	struct qed_mcp_link_params *link_params;
1682 	struct qed_mcp_link_speed_params *speed;
1683 	const struct qed_mfw_speed_map *map;
1684 	struct qed_hwfn *hwfn;
1685 	struct qed_ptt *ptt;
1686 	int rc;
1687 	u32 i;
1688 
1689 	if (!cdev)
1690 		return -ENODEV;
1691 
1692 	/* The link should be set only once per PF */
1693 	hwfn = &cdev->hwfns[0];
1694 
1695 	/* When VF wants to set link, force it to read the bulletin instead.
1696 	 * This mimics the PF behavior, where a noitification [both immediate
1697 	 * and possible later] would be generated when changing properties.
1698 	 */
1699 	if (IS_VF(cdev)) {
1700 		qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1701 		return 0;
1702 	}
1703 
1704 	ptt = qed_ptt_acquire(hwfn);
1705 	if (!ptt)
1706 		return -EBUSY;
1707 
1708 	link_params = qed_mcp_get_link_params(hwfn);
1709 	if (!link_params)
1710 		return -ENODATA;
1711 
1712 	speed = &link_params->speed;
1713 
1714 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1715 		speed->autoneg = !!params->autoneg;
1716 
1717 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1718 		speed->advertised_speeds = 0;
1719 
1720 		for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++) {
1721 			map = qed_mfw_legacy_maps + i;
1722 
1723 			if (linkmode_intersects(params->adv_speeds, map->caps))
1724 				speed->advertised_speeds |= map->mfw_val;
1725 		}
1726 	}
1727 
1728 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1729 		speed->forced_speed = params->forced_speed;
1730 
1731 	if (qed_mcp_is_ext_speed_supported(hwfn))
1732 		qed_set_ext_speed_params(link_params, params);
1733 
1734 	if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1735 		if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1736 			link_params->pause.autoneg = true;
1737 		else
1738 			link_params->pause.autoneg = false;
1739 		if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1740 			link_params->pause.forced_rx = true;
1741 		else
1742 			link_params->pause.forced_rx = false;
1743 		if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1744 			link_params->pause.forced_tx = true;
1745 		else
1746 			link_params->pause.forced_tx = false;
1747 	}
1748 
1749 	if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1750 		switch (params->loopback_mode) {
1751 		case QED_LINK_LOOPBACK_INT_PHY:
1752 			link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1753 			break;
1754 		case QED_LINK_LOOPBACK_EXT_PHY:
1755 			link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1756 			break;
1757 		case QED_LINK_LOOPBACK_EXT:
1758 			link_params->loopback_mode = ETH_LOOPBACK_EXT;
1759 			break;
1760 		case QED_LINK_LOOPBACK_MAC:
1761 			link_params->loopback_mode = ETH_LOOPBACK_MAC;
1762 			break;
1763 		case QED_LINK_LOOPBACK_CNIG_AH_ONLY_0123:
1764 			link_params->loopback_mode =
1765 				ETH_LOOPBACK_CNIG_AH_ONLY_0123;
1766 			break;
1767 		case QED_LINK_LOOPBACK_CNIG_AH_ONLY_2301:
1768 			link_params->loopback_mode =
1769 				ETH_LOOPBACK_CNIG_AH_ONLY_2301;
1770 			break;
1771 		case QED_LINK_LOOPBACK_PCS_AH_ONLY:
1772 			link_params->loopback_mode = ETH_LOOPBACK_PCS_AH_ONLY;
1773 			break;
1774 		case QED_LINK_LOOPBACK_REVERSE_MAC_AH_ONLY:
1775 			link_params->loopback_mode =
1776 				ETH_LOOPBACK_REVERSE_MAC_AH_ONLY;
1777 			break;
1778 		case QED_LINK_LOOPBACK_INT_PHY_FEA_AH_ONLY:
1779 			link_params->loopback_mode =
1780 				ETH_LOOPBACK_INT_PHY_FEA_AH_ONLY;
1781 			break;
1782 		default:
1783 			link_params->loopback_mode = ETH_LOOPBACK_NONE;
1784 			break;
1785 		}
1786 	}
1787 
1788 	if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1789 		memcpy(&link_params->eee, &params->eee,
1790 		       sizeof(link_params->eee));
1791 
1792 	if (params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG)
1793 		link_params->fec = params->fec;
1794 
1795 	rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1796 
1797 	qed_ptt_release(hwfn, ptt);
1798 
1799 	return rc;
1800 }
1801 
1802 static int qed_get_port_type(u32 media_type)
1803 {
1804 	int port_type;
1805 
1806 	switch (media_type) {
1807 	case MEDIA_SFPP_10G_FIBER:
1808 	case MEDIA_SFP_1G_FIBER:
1809 	case MEDIA_XFP_FIBER:
1810 	case MEDIA_MODULE_FIBER:
1811 		port_type = PORT_FIBRE;
1812 		break;
1813 	case MEDIA_DA_TWINAX:
1814 		port_type = PORT_DA;
1815 		break;
1816 	case MEDIA_BASE_T:
1817 		port_type = PORT_TP;
1818 		break;
1819 	case MEDIA_KR:
1820 	case MEDIA_NOT_PRESENT:
1821 		port_type = PORT_NONE;
1822 		break;
1823 	case MEDIA_UNSPECIFIED:
1824 	default:
1825 		port_type = PORT_OTHER;
1826 		break;
1827 	}
1828 	return port_type;
1829 }
1830 
1831 static int qed_get_link_data(struct qed_hwfn *hwfn,
1832 			     struct qed_mcp_link_params *params,
1833 			     struct qed_mcp_link_state *link,
1834 			     struct qed_mcp_link_capabilities *link_caps)
1835 {
1836 	void *p;
1837 
1838 	if (!IS_PF(hwfn->cdev)) {
1839 		qed_vf_get_link_params(hwfn, params);
1840 		qed_vf_get_link_state(hwfn, link);
1841 		qed_vf_get_link_caps(hwfn, link_caps);
1842 
1843 		return 0;
1844 	}
1845 
1846 	p = qed_mcp_get_link_params(hwfn);
1847 	if (!p)
1848 		return -ENXIO;
1849 	memcpy(params, p, sizeof(*params));
1850 
1851 	p = qed_mcp_get_link_state(hwfn);
1852 	if (!p)
1853 		return -ENXIO;
1854 	memcpy(link, p, sizeof(*link));
1855 
1856 	p = qed_mcp_get_link_capabilities(hwfn);
1857 	if (!p)
1858 		return -ENXIO;
1859 	memcpy(link_caps, p, sizeof(*link_caps));
1860 
1861 	return 0;
1862 }
1863 
1864 static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1865 				     struct qed_ptt *ptt, u32 capability,
1866 				     unsigned long *if_caps)
1867 {
1868 	u32 media_type, tcvr_state, tcvr_type;
1869 	u32 speed_mask, board_cfg;
1870 
1871 	if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1872 		media_type = MEDIA_UNSPECIFIED;
1873 
1874 	if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1875 		tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1876 
1877 	if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1878 		speed_mask = 0xFFFFFFFF;
1879 
1880 	if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1881 		board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1882 
1883 	DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1884 		   "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1885 		   media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1886 
1887 	switch (media_type) {
1888 	case MEDIA_DA_TWINAX:
1889 		phylink_set(if_caps, FIBRE);
1890 
1891 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1892 			phylink_set(if_caps, 20000baseKR2_Full);
1893 
1894 		/* For DAC media multiple speed capabilities are supported */
1895 		capability |= speed_mask;
1896 
1897 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1898 			phylink_set(if_caps, 1000baseKX_Full);
1899 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1900 			phylink_set(if_caps, 10000baseCR_Full);
1901 
1902 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1903 			switch (tcvr_type) {
1904 			case ETH_TRANSCEIVER_TYPE_40G_CR4:
1905 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
1906 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1907 				phylink_set(if_caps, 40000baseCR4_Full);
1908 				break;
1909 			default:
1910 				break;
1911 			}
1912 
1913 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1914 			phylink_set(if_caps, 25000baseCR_Full);
1915 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1916 			phylink_set(if_caps, 50000baseCR2_Full);
1917 
1918 		if (capability &
1919 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1920 			switch (tcvr_type) {
1921 			case ETH_TRANSCEIVER_TYPE_100G_CR4:
1922 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1923 				phylink_set(if_caps, 100000baseCR4_Full);
1924 				break;
1925 			default:
1926 				break;
1927 			}
1928 
1929 		break;
1930 	case MEDIA_BASE_T:
1931 		phylink_set(if_caps, TP);
1932 
1933 		if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1934 			if (capability &
1935 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1936 				phylink_set(if_caps, 1000baseT_Full);
1937 			if (capability &
1938 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1939 				phylink_set(if_caps, 10000baseT_Full);
1940 		}
1941 
1942 		if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1943 			phylink_set(if_caps, FIBRE);
1944 
1945 			switch (tcvr_type) {
1946 			case ETH_TRANSCEIVER_TYPE_1000BASET:
1947 				phylink_set(if_caps, 1000baseT_Full);
1948 				break;
1949 			case ETH_TRANSCEIVER_TYPE_10G_BASET:
1950 				phylink_set(if_caps, 10000baseT_Full);
1951 				break;
1952 			default:
1953 				break;
1954 			}
1955 		}
1956 
1957 		break;
1958 	case MEDIA_SFP_1G_FIBER:
1959 	case MEDIA_SFPP_10G_FIBER:
1960 	case MEDIA_XFP_FIBER:
1961 	case MEDIA_MODULE_FIBER:
1962 		phylink_set(if_caps, FIBRE);
1963 		capability |= speed_mask;
1964 
1965 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1966 			switch (tcvr_type) {
1967 			case ETH_TRANSCEIVER_TYPE_1G_LX:
1968 			case ETH_TRANSCEIVER_TYPE_1G_SX:
1969 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1970 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1971 				phylink_set(if_caps, 1000baseKX_Full);
1972 				break;
1973 			default:
1974 				break;
1975 			}
1976 
1977 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1978 			switch (tcvr_type) {
1979 			case ETH_TRANSCEIVER_TYPE_10G_SR:
1980 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1981 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1982 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1983 				phylink_set(if_caps, 10000baseSR_Full);
1984 				break;
1985 			case ETH_TRANSCEIVER_TYPE_10G_LR:
1986 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1987 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
1988 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1989 				phylink_set(if_caps, 10000baseLR_Full);
1990 				break;
1991 			case ETH_TRANSCEIVER_TYPE_10G_LRM:
1992 				phylink_set(if_caps, 10000baseLRM_Full);
1993 				break;
1994 			case ETH_TRANSCEIVER_TYPE_10G_ER:
1995 				phylink_set(if_caps, 10000baseR_FEC);
1996 				break;
1997 			default:
1998 				break;
1999 			}
2000 
2001 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
2002 			phylink_set(if_caps, 20000baseKR2_Full);
2003 
2004 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2005 			switch (tcvr_type) {
2006 			case ETH_TRANSCEIVER_TYPE_25G_SR:
2007 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2008 				phylink_set(if_caps, 25000baseSR_Full);
2009 				break;
2010 			default:
2011 				break;
2012 			}
2013 
2014 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2015 			switch (tcvr_type) {
2016 			case ETH_TRANSCEIVER_TYPE_40G_LR4:
2017 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2018 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2019 				phylink_set(if_caps, 40000baseLR4_Full);
2020 				break;
2021 			case ETH_TRANSCEIVER_TYPE_40G_SR4:
2022 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2023 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2024 				phylink_set(if_caps, 40000baseSR4_Full);
2025 				break;
2026 			default:
2027 				break;
2028 			}
2029 
2030 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2031 			phylink_set(if_caps, 50000baseKR2_Full);
2032 
2033 		if (capability &
2034 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2035 			switch (tcvr_type) {
2036 			case ETH_TRANSCEIVER_TYPE_100G_SR4:
2037 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2038 				phylink_set(if_caps, 100000baseSR4_Full);
2039 				break;
2040 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2041 				phylink_set(if_caps, 100000baseLR4_ER4_Full);
2042 				break;
2043 			default:
2044 				break;
2045 			}
2046 
2047 		break;
2048 	case MEDIA_KR:
2049 		phylink_set(if_caps, Backplane);
2050 
2051 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
2052 			phylink_set(if_caps, 20000baseKR2_Full);
2053 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
2054 			phylink_set(if_caps, 1000baseKX_Full);
2055 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
2056 			phylink_set(if_caps, 10000baseKR_Full);
2057 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2058 			phylink_set(if_caps, 25000baseKR_Full);
2059 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2060 			phylink_set(if_caps, 40000baseKR4_Full);
2061 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2062 			phylink_set(if_caps, 50000baseKR2_Full);
2063 		if (capability &
2064 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2065 			phylink_set(if_caps, 100000baseKR4_Full);
2066 
2067 		break;
2068 	case MEDIA_UNSPECIFIED:
2069 	case MEDIA_NOT_PRESENT:
2070 	default:
2071 		DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
2072 			   "Unknown media and transceiver type;\n");
2073 		break;
2074 	}
2075 }
2076 
2077 static void qed_lp_caps_to_speed_mask(u32 caps, u32 *speed_mask)
2078 {
2079 	*speed_mask = 0;
2080 
2081 	if (caps &
2082 	    (QED_LINK_PARTNER_SPEED_1G_FD | QED_LINK_PARTNER_SPEED_1G_HD))
2083 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2084 	if (caps & QED_LINK_PARTNER_SPEED_10G)
2085 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2086 	if (caps & QED_LINK_PARTNER_SPEED_20G)
2087 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
2088 	if (caps & QED_LINK_PARTNER_SPEED_25G)
2089 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2090 	if (caps & QED_LINK_PARTNER_SPEED_40G)
2091 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2092 	if (caps & QED_LINK_PARTNER_SPEED_50G)
2093 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
2094 	if (caps & QED_LINK_PARTNER_SPEED_100G)
2095 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
2096 }
2097 
2098 static void qed_fill_link(struct qed_hwfn *hwfn,
2099 			  struct qed_ptt *ptt,
2100 			  struct qed_link_output *if_link)
2101 {
2102 	struct qed_mcp_link_capabilities link_caps;
2103 	struct qed_mcp_link_params params;
2104 	struct qed_mcp_link_state link;
2105 	u32 media_type, speed_mask;
2106 
2107 	memset(if_link, 0, sizeof(*if_link));
2108 
2109 	/* Prepare source inputs */
2110 	if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
2111 		dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
2112 		return;
2113 	}
2114 
2115 	/* Set the link parameters to pass to protocol driver */
2116 	if (link.link_up)
2117 		if_link->link_up = true;
2118 
2119 	if (IS_PF(hwfn->cdev) && qed_mcp_is_ext_speed_supported(hwfn)) {
2120 		if (link_caps.default_ext_autoneg)
2121 			phylink_set(if_link->supported_caps, Autoneg);
2122 
2123 		linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2124 
2125 		if (params.ext_speed.autoneg)
2126 			phylink_set(if_link->advertised_caps, Autoneg);
2127 		else
2128 			phylink_clear(if_link->advertised_caps, Autoneg);
2129 
2130 		qed_fill_link_capability(hwfn, ptt,
2131 					 params.ext_speed.advertised_speeds,
2132 					 if_link->advertised_caps);
2133 	} else {
2134 		if (link_caps.default_speed_autoneg)
2135 			phylink_set(if_link->supported_caps, Autoneg);
2136 
2137 		linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2138 
2139 		if (params.speed.autoneg)
2140 			phylink_set(if_link->advertised_caps, Autoneg);
2141 		else
2142 			phylink_clear(if_link->advertised_caps, Autoneg);
2143 	}
2144 
2145 	if (params.pause.autoneg ||
2146 	    (params.pause.forced_rx && params.pause.forced_tx))
2147 		phylink_set(if_link->supported_caps, Asym_Pause);
2148 	if (params.pause.autoneg || params.pause.forced_rx ||
2149 	    params.pause.forced_tx)
2150 		phylink_set(if_link->supported_caps, Pause);
2151 
2152 	if_link->sup_fec = link_caps.fec_default;
2153 	if_link->active_fec = params.fec;
2154 
2155 	/* Fill link advertised capability */
2156 	qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
2157 				 if_link->advertised_caps);
2158 
2159 	/* Fill link supported capability */
2160 	qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
2161 				 if_link->supported_caps);
2162 
2163 	/* Fill partner advertised capability */
2164 	qed_lp_caps_to_speed_mask(link.partner_adv_speed, &speed_mask);
2165 	qed_fill_link_capability(hwfn, ptt, speed_mask, if_link->lp_caps);
2166 
2167 	if (link.link_up)
2168 		if_link->speed = link.speed;
2169 
2170 	/* TODO - fill duplex properly */
2171 	if_link->duplex = DUPLEX_FULL;
2172 	qed_mcp_get_media_type(hwfn, ptt, &media_type);
2173 	if_link->port = qed_get_port_type(media_type);
2174 
2175 	if_link->autoneg = params.speed.autoneg;
2176 
2177 	if (params.pause.autoneg)
2178 		if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
2179 	if (params.pause.forced_rx)
2180 		if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
2181 	if (params.pause.forced_tx)
2182 		if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
2183 
2184 	if (link.an_complete)
2185 		phylink_set(if_link->lp_caps, Autoneg);
2186 	if (link.partner_adv_pause)
2187 		phylink_set(if_link->lp_caps, Pause);
2188 	if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
2189 	    link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
2190 		phylink_set(if_link->lp_caps, Asym_Pause);
2191 
2192 	if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
2193 		if_link->eee_supported = false;
2194 	} else {
2195 		if_link->eee_supported = true;
2196 		if_link->eee_active = link.eee_active;
2197 		if_link->sup_caps = link_caps.eee_speed_caps;
2198 		/* MFW clears adv_caps on eee disable; use configured value */
2199 		if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
2200 					params.eee.adv_caps;
2201 		if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
2202 		if_link->eee.enable = params.eee.enable;
2203 		if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
2204 		if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
2205 	}
2206 }
2207 
2208 static void qed_get_current_link(struct qed_dev *cdev,
2209 				 struct qed_link_output *if_link)
2210 {
2211 	struct qed_hwfn *hwfn;
2212 	struct qed_ptt *ptt;
2213 	int i;
2214 
2215 	hwfn = &cdev->hwfns[0];
2216 	if (IS_PF(cdev)) {
2217 		ptt = qed_ptt_acquire(hwfn);
2218 		if (ptt) {
2219 			qed_fill_link(hwfn, ptt, if_link);
2220 			qed_ptt_release(hwfn, ptt);
2221 		} else {
2222 			DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
2223 		}
2224 	} else {
2225 		qed_fill_link(hwfn, NULL, if_link);
2226 	}
2227 
2228 	for_each_hwfn(cdev, i)
2229 		qed_inform_vf_link_state(&cdev->hwfns[i]);
2230 }
2231 
2232 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2233 {
2234 	void *cookie = hwfn->cdev->ops_cookie;
2235 	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2236 	struct qed_link_output if_link;
2237 
2238 	qed_fill_link(hwfn, ptt, &if_link);
2239 	qed_inform_vf_link_state(hwfn);
2240 
2241 	if (IS_LEAD_HWFN(hwfn) && cookie)
2242 		op->link_update(cookie, &if_link);
2243 }
2244 
2245 void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2246 {
2247 	void *cookie = hwfn->cdev->ops_cookie;
2248 	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2249 
2250 	if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update)
2251 		op->bw_update(cookie);
2252 }
2253 
2254 static int qed_drain(struct qed_dev *cdev)
2255 {
2256 	struct qed_hwfn *hwfn;
2257 	struct qed_ptt *ptt;
2258 	int i, rc;
2259 
2260 	if (IS_VF(cdev))
2261 		return 0;
2262 
2263 	for_each_hwfn(cdev, i) {
2264 		hwfn = &cdev->hwfns[i];
2265 		ptt = qed_ptt_acquire(hwfn);
2266 		if (!ptt) {
2267 			DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
2268 			return -EBUSY;
2269 		}
2270 		rc = qed_mcp_drain(hwfn, ptt);
2271 		qed_ptt_release(hwfn, ptt);
2272 		if (rc)
2273 			return rc;
2274 	}
2275 
2276 	return 0;
2277 }
2278 
2279 static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
2280 					  struct qed_nvm_image_att *nvm_image,
2281 					  u32 *crc)
2282 {
2283 	u8 *buf = NULL;
2284 	int rc;
2285 
2286 	/* Allocate a buffer for holding the nvram image */
2287 	buf = kzalloc(nvm_image->length, GFP_KERNEL);
2288 	if (!buf)
2289 		return -ENOMEM;
2290 
2291 	/* Read image into buffer */
2292 	rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
2293 			      buf, nvm_image->length);
2294 	if (rc) {
2295 		DP_ERR(cdev, "Failed reading image from nvm\n");
2296 		goto out;
2297 	}
2298 
2299 	/* Convert the buffer into big-endian format (excluding the
2300 	 * closing 4 bytes of CRC).
2301 	 */
2302 	cpu_to_be32_array((__force __be32 *)buf, (const u32 *)buf,
2303 			  DIV_ROUND_UP(nvm_image->length - 4, 4));
2304 
2305 	/* Calc CRC for the "actual" image buffer, i.e. not including
2306 	 * the last 4 CRC bytes.
2307 	 */
2308 	*crc = ~crc32(~0U, buf, nvm_image->length - 4);
2309 	*crc = (__force u32)cpu_to_be32p(crc);
2310 
2311 out:
2312 	kfree(buf);
2313 
2314 	return rc;
2315 }
2316 
2317 /* Binary file format -
2318  *     /----------------------------------------------------------------------\
2319  * 0B  |                       0x4 [command index]                            |
2320  * 4B  | image_type     | Options        |  Number of register settings       |
2321  * 8B  |                       Value                                          |
2322  * 12B |                       Mask                                           |
2323  * 16B |                       Offset                                         |
2324  *     \----------------------------------------------------------------------/
2325  * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2326  * Options - 0'b - Calculate & Update CRC for image
2327  */
2328 static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2329 				      bool *check_resp)
2330 {
2331 	struct qed_nvm_image_att nvm_image;
2332 	struct qed_hwfn *p_hwfn;
2333 	bool is_crc = false;
2334 	u32 image_type;
2335 	int rc = 0, i;
2336 	u16 len;
2337 
2338 	*data += 4;
2339 	image_type = **data;
2340 	p_hwfn = QED_LEADING_HWFN(cdev);
2341 	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2342 		if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2343 			break;
2344 	if (i == p_hwfn->nvm_info.num_images) {
2345 		DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2346 		       image_type);
2347 		return -ENOENT;
2348 	}
2349 
2350 	nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2351 	nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2352 
2353 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2354 		   "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2355 		   **data, image_type, nvm_image.start_addr,
2356 		   nvm_image.start_addr + nvm_image.length - 1);
2357 	(*data)++;
2358 	is_crc = !!(**data & BIT(0));
2359 	(*data)++;
2360 	len = *((u16 *)*data);
2361 	*data += 2;
2362 	if (is_crc) {
2363 		u32 crc = 0;
2364 
2365 		rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2366 		if (rc) {
2367 			DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2368 			goto exit;
2369 		}
2370 
2371 		rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2372 				       (nvm_image.start_addr +
2373 					nvm_image.length - 4), (u8 *)&crc, 4);
2374 		if (rc)
2375 			DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2376 			       nvm_image.start_addr + nvm_image.length - 4, rc);
2377 		goto exit;
2378 	}
2379 
2380 	/* Iterate over the values for setting */
2381 	while (len) {
2382 		u32 offset, mask, value, cur_value;
2383 		u8 buf[4];
2384 
2385 		value = *((u32 *)*data);
2386 		*data += 4;
2387 		mask = *((u32 *)*data);
2388 		*data += 4;
2389 		offset = *((u32 *)*data);
2390 		*data += 4;
2391 
2392 		rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2393 				      4);
2394 		if (rc) {
2395 			DP_ERR(cdev, "Failed reading from %08x\n",
2396 			       nvm_image.start_addr + offset);
2397 			goto exit;
2398 		}
2399 
2400 		cur_value = le32_to_cpu(*((__le32 *)buf));
2401 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
2402 			   "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2403 			   nvm_image.start_addr + offset, cur_value,
2404 			   (cur_value & ~mask) | (value & mask), value, mask);
2405 		value = (value & mask) | (cur_value & ~mask);
2406 		rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2407 				       nvm_image.start_addr + offset,
2408 				       (u8 *)&value, 4);
2409 		if (rc) {
2410 			DP_ERR(cdev, "Failed writing to %08x\n",
2411 			       nvm_image.start_addr + offset);
2412 			goto exit;
2413 		}
2414 
2415 		len--;
2416 	}
2417 exit:
2418 	return rc;
2419 }
2420 
2421 /* Binary file format -
2422  *     /----------------------------------------------------------------------\
2423  * 0B  |                       0x3 [command index]                            |
2424  * 4B  | b'0: check_response?   | b'1-31  reserved                            |
2425  * 8B  | File-type |                   reserved                               |
2426  * 12B |                    Image length in bytes                             |
2427  *     \----------------------------------------------------------------------/
2428  *     Start a new file of the provided type
2429  */
2430 static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2431 					  const u8 **data, bool *check_resp)
2432 {
2433 	u32 file_type, file_size = 0;
2434 	int rc;
2435 
2436 	*data += 4;
2437 	*check_resp = !!(**data & BIT(0));
2438 	*data += 4;
2439 	file_type = **data;
2440 
2441 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2442 		   "About to start a new file of type %02x\n", file_type);
2443 	if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2444 		*data += 4;
2445 		file_size = *((u32 *)(*data));
2446 	}
2447 
2448 	rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2449 			       (u8 *)(&file_size), 4);
2450 	*data += 4;
2451 
2452 	return rc;
2453 }
2454 
2455 /* Binary file format -
2456  *     /----------------------------------------------------------------------\
2457  * 0B  |                       0x2 [command index]                            |
2458  * 4B  |                       Length in bytes                                |
2459  * 8B  | b'0: check_response?   | b'1-31  reserved                            |
2460  * 12B |                       Offset in bytes                                |
2461  * 16B |                       Data ...                                       |
2462  *     \----------------------------------------------------------------------/
2463  *     Write data as part of a file that was previously started. Data should be
2464  *     of length equal to that provided in the message
2465  */
2466 static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2467 					 const u8 **data, bool *check_resp)
2468 {
2469 	u32 offset, len;
2470 	int rc;
2471 
2472 	*data += 4;
2473 	len = *((u32 *)(*data));
2474 	*data += 4;
2475 	*check_resp = !!(**data & BIT(0));
2476 	*data += 4;
2477 	offset = *((u32 *)(*data));
2478 	*data += 4;
2479 
2480 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2481 		   "About to write File-data: %08x bytes to offset %08x\n",
2482 		   len, offset);
2483 
2484 	rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2485 			       (char *)(*data), len);
2486 	*data += len;
2487 
2488 	return rc;
2489 }
2490 
2491 /* Binary file format [General header] -
2492  *     /----------------------------------------------------------------------\
2493  * 0B  |                       QED_NVM_SIGNATURE                              |
2494  * 4B  |                       Length in bytes                                |
2495  * 8B  | Highest command in this batchfile |          Reserved                |
2496  *     \----------------------------------------------------------------------/
2497  */
2498 static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2499 					const struct firmware *image,
2500 					const u8 **data)
2501 {
2502 	u32 signature, len;
2503 
2504 	/* Check minimum size */
2505 	if (image->size < 12) {
2506 		DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2507 		return -EINVAL;
2508 	}
2509 
2510 	/* Check signature */
2511 	signature = *((u32 *)(*data));
2512 	if (signature != QED_NVM_SIGNATURE) {
2513 		DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2514 		return -EINVAL;
2515 	}
2516 
2517 	*data += 4;
2518 	/* Validate internal size equals the image-size */
2519 	len = *((u32 *)(*data));
2520 	if (len != image->size) {
2521 		DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2522 		       len, (u32)image->size);
2523 		return -EINVAL;
2524 	}
2525 
2526 	*data += 4;
2527 	/* Make sure driver familiar with all commands necessary for this */
2528 	if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2529 		DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2530 		       *((u16 *)(*data)));
2531 		return -EINVAL;
2532 	}
2533 
2534 	*data += 4;
2535 
2536 	return 0;
2537 }
2538 
2539 /* Binary file format -
2540  *     /----------------------------------------------------------------------\
2541  * 0B  |                       0x5 [command index]                            |
2542  * 4B  | Number of config attributes     |          Reserved                  |
2543  * 4B  | Config ID                       | Entity ID      | Length            |
2544  * 4B  | Value                                                                |
2545  *     |                                                                      |
2546  *     \----------------------------------------------------------------------/
2547  * There can be several cfg_id-entity_id-Length-Value sets as specified by
2548  * 'Number of config attributes'.
2549  *
2550  * The API parses config attributes from the user provided buffer and flashes
2551  * them to the respective NVM path using Management FW inerface.
2552  */
2553 static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
2554 {
2555 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2556 	u8 entity_id, len, buf[32];
2557 	bool need_nvm_init = true;
2558 	struct qed_ptt *ptt;
2559 	u16 cfg_id, count;
2560 	int rc = 0, i;
2561 	u32 flags;
2562 
2563 	ptt = qed_ptt_acquire(hwfn);
2564 	if (!ptt)
2565 		return -EAGAIN;
2566 
2567 	/* NVM CFG ID attribute header */
2568 	*data += 4;
2569 	count = *((u16 *)*data);
2570 	*data += 4;
2571 
2572 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2573 		   "Read config ids: num_attrs = %0d\n", count);
2574 	/* NVM CFG ID attributes. Start loop index from 1 to avoid additional
2575 	 * arithmetic operations in the implementation.
2576 	 */
2577 	for (i = 1; i <= count; i++) {
2578 		cfg_id = *((u16 *)*data);
2579 		*data += 2;
2580 		entity_id = **data;
2581 		(*data)++;
2582 		len = **data;
2583 		(*data)++;
2584 		memcpy(buf, *data, len);
2585 		*data += len;
2586 
2587 		flags = 0;
2588 		if (need_nvm_init) {
2589 			flags |= QED_NVM_CFG_OPTION_INIT;
2590 			need_nvm_init = false;
2591 		}
2592 
2593 		/* Commit to flash and free the resources */
2594 		if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
2595 			flags |= QED_NVM_CFG_OPTION_COMMIT |
2596 				 QED_NVM_CFG_OPTION_FREE;
2597 			need_nvm_init = true;
2598 		}
2599 
2600 		if (entity_id)
2601 			flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;
2602 
2603 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
2604 			   "cfg_id = %d entity = %d len = %d\n", cfg_id,
2605 			   entity_id, len);
2606 		rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
2607 					 buf, len);
2608 		if (rc) {
2609 			DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
2610 			break;
2611 		}
2612 	}
2613 
2614 	qed_ptt_release(hwfn, ptt);
2615 
2616 	return rc;
2617 }
2618 
2619 #define QED_MAX_NVM_BUF_LEN	32
2620 static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
2621 {
2622 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2623 	u8 buf[QED_MAX_NVM_BUF_LEN];
2624 	struct qed_ptt *ptt;
2625 	u32 len;
2626 	int rc;
2627 
2628 	ptt = qed_ptt_acquire(hwfn);
2629 	if (!ptt)
2630 		return QED_MAX_NVM_BUF_LEN;
2631 
2632 	rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
2633 				 &len);
2634 	if (rc || !len) {
2635 		DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2636 		len = QED_MAX_NVM_BUF_LEN;
2637 	}
2638 
2639 	qed_ptt_release(hwfn, ptt);
2640 
2641 	return len;
2642 }
2643 
2644 static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
2645 				  u32 cmd, u32 entity_id)
2646 {
2647 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2648 	struct qed_ptt *ptt;
2649 	u32 flags, len;
2650 	int rc = 0;
2651 
2652 	ptt = qed_ptt_acquire(hwfn);
2653 	if (!ptt)
2654 		return -EAGAIN;
2655 
2656 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2657 		   "Read config cmd = %d entity id %d\n", cmd, entity_id);
2658 	flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
2659 	rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
2660 	if (rc)
2661 		DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2662 
2663 	qed_ptt_release(hwfn, ptt);
2664 
2665 	return rc;
2666 }
2667 
2668 static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2669 {
2670 	const struct firmware *image;
2671 	const u8 *data, *data_end;
2672 	u32 cmd_type;
2673 	int rc;
2674 
2675 	rc = request_firmware(&image, name, &cdev->pdev->dev);
2676 	if (rc) {
2677 		DP_ERR(cdev, "Failed to find '%s'\n", name);
2678 		return rc;
2679 	}
2680 
2681 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2682 		   "Flashing '%s' - firmware's data at %p, size is %08x\n",
2683 		   name, image->data, (u32)image->size);
2684 	data = image->data;
2685 	data_end = data + image->size;
2686 
2687 	rc = qed_nvm_flash_image_validate(cdev, image, &data);
2688 	if (rc)
2689 		goto exit;
2690 
2691 	while (data < data_end) {
2692 		bool check_resp = false;
2693 
2694 		/* Parse the actual command */
2695 		cmd_type = *((u32 *)data);
2696 		switch (cmd_type) {
2697 		case QED_NVM_FLASH_CMD_FILE_DATA:
2698 			rc = qed_nvm_flash_image_file_data(cdev, &data,
2699 							   &check_resp);
2700 			break;
2701 		case QED_NVM_FLASH_CMD_FILE_START:
2702 			rc = qed_nvm_flash_image_file_start(cdev, &data,
2703 							    &check_resp);
2704 			break;
2705 		case QED_NVM_FLASH_CMD_NVM_CHANGE:
2706 			rc = qed_nvm_flash_image_access(cdev, &data,
2707 							&check_resp);
2708 			break;
2709 		case QED_NVM_FLASH_CMD_NVM_CFG_ID:
2710 			rc = qed_nvm_flash_cfg_write(cdev, &data);
2711 			break;
2712 		default:
2713 			DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2714 			rc = -EINVAL;
2715 			goto exit;
2716 		}
2717 
2718 		if (rc) {
2719 			DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2720 			goto exit;
2721 		}
2722 
2723 		/* Check response if needed */
2724 		if (check_resp) {
2725 			u32 mcp_response = 0;
2726 
2727 			if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2728 				DP_ERR(cdev, "Failed getting MCP response\n");
2729 				rc = -EINVAL;
2730 				goto exit;
2731 			}
2732 
2733 			switch (mcp_response & FW_MSG_CODE_MASK) {
2734 			case FW_MSG_CODE_OK:
2735 			case FW_MSG_CODE_NVM_OK:
2736 			case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2737 			case FW_MSG_CODE_PHY_OK:
2738 				break;
2739 			default:
2740 				DP_ERR(cdev, "MFW returns error: %08x\n",
2741 				       mcp_response);
2742 				rc = -EINVAL;
2743 				goto exit;
2744 			}
2745 		}
2746 	}
2747 
2748 exit:
2749 	release_firmware(image);
2750 
2751 	return rc;
2752 }
2753 
2754 static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2755 			     u8 *buf, u16 len)
2756 {
2757 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2758 
2759 	return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2760 }
2761 
2762 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2763 {
2764 	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2765 	void *cookie = p_hwfn->cdev->ops_cookie;
2766 
2767 	if (ops && ops->schedule_recovery_handler)
2768 		ops->schedule_recovery_handler(cookie);
2769 }
2770 
2771 static const char * const qed_hw_err_type_descr[] = {
2772 	[QED_HW_ERR_FAN_FAIL]		= "Fan Failure",
2773 	[QED_HW_ERR_MFW_RESP_FAIL]	= "MFW Response Failure",
2774 	[QED_HW_ERR_HW_ATTN]		= "HW Attention",
2775 	[QED_HW_ERR_DMAE_FAIL]		= "DMAE Failure",
2776 	[QED_HW_ERR_RAMROD_FAIL]	= "Ramrod Failure",
2777 	[QED_HW_ERR_FW_ASSERT]		= "FW Assertion",
2778 	[QED_HW_ERR_LAST]		= "Unknown",
2779 };
2780 
2781 void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
2782 			   enum qed_hw_err_type err_type)
2783 {
2784 	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2785 	void *cookie = p_hwfn->cdev->ops_cookie;
2786 	const char *err_str;
2787 
2788 	if (err_type > QED_HW_ERR_LAST)
2789 		err_type = QED_HW_ERR_LAST;
2790 	err_str = qed_hw_err_type_descr[err_type];
2791 
2792 	DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);
2793 
2794 	/* Call the HW error handler of the protocol driver.
2795 	 * If it is not available - perform a minimal handling of preventing
2796 	 * HW attentions from being reasserted.
2797 	 */
2798 	if (ops && ops->schedule_hw_err_handler)
2799 		ops->schedule_hw_err_handler(cookie, err_type);
2800 	else
2801 		qed_int_attn_clr_enable(p_hwfn->cdev, true);
2802 }
2803 
2804 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2805 			    void *handle)
2806 {
2807 		return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2808 }
2809 
2810 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2811 {
2812 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2813 	struct qed_ptt *ptt;
2814 	int status = 0;
2815 
2816 	ptt = qed_ptt_acquire(hwfn);
2817 	if (!ptt)
2818 		return -EAGAIN;
2819 
2820 	status = qed_mcp_set_led(hwfn, ptt, mode);
2821 
2822 	qed_ptt_release(hwfn, ptt);
2823 
2824 	return status;
2825 }
2826 
2827 int qed_recovery_process(struct qed_dev *cdev)
2828 {
2829 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2830 	struct qed_ptt *p_ptt;
2831 	int rc = 0;
2832 
2833 	p_ptt = qed_ptt_acquire(p_hwfn);
2834 	if (!p_ptt)
2835 		return -EAGAIN;
2836 
2837 	rc = qed_start_recovery_process(p_hwfn, p_ptt);
2838 
2839 	qed_ptt_release(p_hwfn, p_ptt);
2840 
2841 	return rc;
2842 }
2843 
2844 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2845 {
2846 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2847 	struct qed_ptt *ptt;
2848 	int rc = 0;
2849 
2850 	if (IS_VF(cdev))
2851 		return 0;
2852 
2853 	ptt = qed_ptt_acquire(hwfn);
2854 	if (!ptt)
2855 		return -EAGAIN;
2856 
2857 	rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2858 				   : QED_OV_WOL_DISABLED);
2859 	if (rc)
2860 		goto out;
2861 	rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2862 
2863 out:
2864 	qed_ptt_release(hwfn, ptt);
2865 	return rc;
2866 }
2867 
2868 static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2869 {
2870 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2871 	struct qed_ptt *ptt;
2872 	int status = 0;
2873 
2874 	if (IS_VF(cdev))
2875 		return 0;
2876 
2877 	ptt = qed_ptt_acquire(hwfn);
2878 	if (!ptt)
2879 		return -EAGAIN;
2880 
2881 	status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2882 						QED_OV_DRIVER_STATE_ACTIVE :
2883 						QED_OV_DRIVER_STATE_DISABLED);
2884 
2885 	qed_ptt_release(hwfn, ptt);
2886 
2887 	return status;
2888 }
2889 
2890 static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
2891 {
2892 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2893 	struct qed_ptt *ptt;
2894 	int status = 0;
2895 
2896 	if (IS_VF(cdev))
2897 		return 0;
2898 
2899 	ptt = qed_ptt_acquire(hwfn);
2900 	if (!ptt)
2901 		return -EAGAIN;
2902 
2903 	status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2904 	if (status)
2905 		goto out;
2906 
2907 	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2908 
2909 out:
2910 	qed_ptt_release(hwfn, ptt);
2911 	return status;
2912 }
2913 
2914 static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2915 {
2916 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2917 	struct qed_ptt *ptt;
2918 	int status = 0;
2919 
2920 	if (IS_VF(cdev))
2921 		return 0;
2922 
2923 	ptt = qed_ptt_acquire(hwfn);
2924 	if (!ptt)
2925 		return -EAGAIN;
2926 
2927 	status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2928 	if (status)
2929 		goto out;
2930 
2931 	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2932 
2933 out:
2934 	qed_ptt_release(hwfn, ptt);
2935 	return status;
2936 }
2937 
2938 static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2939 				  u8 dev_addr, u32 offset, u32 len)
2940 {
2941 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2942 	struct qed_ptt *ptt;
2943 	int rc = 0;
2944 
2945 	if (IS_VF(cdev))
2946 		return 0;
2947 
2948 	ptt = qed_ptt_acquire(hwfn);
2949 	if (!ptt)
2950 		return -EAGAIN;
2951 
2952 	rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2953 				  offset, len, buf);
2954 
2955 	qed_ptt_release(hwfn, ptt);
2956 
2957 	return rc;
2958 }
2959 
2960 static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
2961 {
2962 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2963 	struct qed_ptt *ptt;
2964 	int rc = 0;
2965 
2966 	if (IS_VF(cdev))
2967 		return 0;
2968 
2969 	ptt = qed_ptt_acquire(hwfn);
2970 	if (!ptt)
2971 		return -EAGAIN;
2972 
2973 	rc = qed_dbg_grc_config(hwfn, cfg_id, val);
2974 
2975 	qed_ptt_release(hwfn, ptt);
2976 
2977 	return rc;
2978 }
2979 
2980 static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2981 {
2982 	return QED_AFFIN_HWFN_IDX(cdev);
2983 }
2984 
2985 static struct qed_selftest_ops qed_selftest_ops_pass = {
2986 	.selftest_memory = &qed_selftest_memory,
2987 	.selftest_interrupt = &qed_selftest_interrupt,
2988 	.selftest_register = &qed_selftest_register,
2989 	.selftest_clock = &qed_selftest_clock,
2990 	.selftest_nvram = &qed_selftest_nvram,
2991 };
2992 
2993 const struct qed_common_ops qed_common_ops_pass = {
2994 	.selftest = &qed_selftest_ops_pass,
2995 	.probe = &qed_probe,
2996 	.remove = &qed_remove,
2997 	.set_power_state = &qed_set_power_state,
2998 	.set_name = &qed_set_name,
2999 	.update_pf_params = &qed_update_pf_params,
3000 	.slowpath_start = &qed_slowpath_start,
3001 	.slowpath_stop = &qed_slowpath_stop,
3002 	.set_fp_int = &qed_set_int_fp,
3003 	.get_fp_int = &qed_get_int_fp,
3004 	.sb_init = &qed_sb_init,
3005 	.sb_release = &qed_sb_release,
3006 	.simd_handler_config = &qed_simd_handler_config,
3007 	.simd_handler_clean = &qed_simd_handler_clean,
3008 	.dbg_grc = &qed_dbg_grc,
3009 	.dbg_grc_size = &qed_dbg_grc_size,
3010 	.can_link_change = &qed_can_link_change,
3011 	.set_link = &qed_set_link,
3012 	.get_link = &qed_get_current_link,
3013 	.drain = &qed_drain,
3014 	.update_msglvl = &qed_init_dp,
3015 	.devlink_register = qed_devlink_register,
3016 	.devlink_unregister = qed_devlink_unregister,
3017 	.report_fatal_error = qed_report_fatal_error,
3018 	.dbg_all_data = &qed_dbg_all_data,
3019 	.dbg_all_data_size = &qed_dbg_all_data_size,
3020 	.chain_alloc = &qed_chain_alloc,
3021 	.chain_free = &qed_chain_free,
3022 	.nvm_flash = &qed_nvm_flash,
3023 	.nvm_get_image = &qed_nvm_get_image,
3024 	.set_coalesce = &qed_set_coalesce,
3025 	.set_led = &qed_set_led,
3026 	.recovery_process = &qed_recovery_process,
3027 	.recovery_prolog = &qed_recovery_prolog,
3028 	.attn_clr_enable = &qed_int_attn_clr_enable,
3029 	.update_drv_state = &qed_update_drv_state,
3030 	.update_mac = &qed_update_mac,
3031 	.update_mtu = &qed_update_mtu,
3032 	.update_wol = &qed_update_wol,
3033 	.db_recovery_add = &qed_db_recovery_add,
3034 	.db_recovery_del = &qed_db_recovery_del,
3035 	.read_module_eeprom = &qed_read_module_eeprom,
3036 	.get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
3037 	.read_nvm_cfg = &qed_nvm_flash_cfg_read,
3038 	.read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
3039 	.set_grc_config = &qed_set_grc_config,
3040 };
3041 
3042 void qed_get_protocol_stats(struct qed_dev *cdev,
3043 			    enum qed_mcp_protocol_type type,
3044 			    union qed_mcp_protocol_stats *stats)
3045 {
3046 	struct qed_eth_stats eth_stats;
3047 
3048 	memset(stats, 0, sizeof(*stats));
3049 
3050 	switch (type) {
3051 	case QED_MCP_LAN_STATS:
3052 		qed_get_vport_stats(cdev, &eth_stats);
3053 		stats->lan_stats.ucast_rx_pkts =
3054 					eth_stats.common.rx_ucast_pkts;
3055 		stats->lan_stats.ucast_tx_pkts =
3056 					eth_stats.common.tx_ucast_pkts;
3057 		stats->lan_stats.fcs_err = -1;
3058 		break;
3059 	case QED_MCP_FCOE_STATS:
3060 		qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
3061 		break;
3062 	case QED_MCP_ISCSI_STATS:
3063 		qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
3064 		break;
3065 	default:
3066 		DP_VERBOSE(cdev, QED_MSG_SP,
3067 			   "Invalid protocol type = %d\n", type);
3068 		return;
3069 	}
3070 }
3071 
3072 int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
3073 {
3074 	DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
3075 		   "Scheduling slowpath task [Flag: %d]\n",
3076 		   QED_SLOWPATH_MFW_TLV_REQ);
3077 	smp_mb__before_atomic();
3078 	set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
3079 	smp_mb__after_atomic();
3080 	queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
3081 
3082 	return 0;
3083 }
3084 
3085 static void
3086 qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
3087 {
3088 	struct qed_common_cb_ops *op = cdev->protocol_ops.common;
3089 	struct qed_eth_stats_common *p_common;
3090 	struct qed_generic_tlvs gen_tlvs;
3091 	struct qed_eth_stats stats;
3092 	int i;
3093 
3094 	memset(&gen_tlvs, 0, sizeof(gen_tlvs));
3095 	op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
3096 
3097 	if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
3098 		tlv->flags.ipv4_csum_offload = true;
3099 	if (gen_tlvs.feat_flags & QED_TLV_LSO)
3100 		tlv->flags.lso_supported = true;
3101 	tlv->flags.b_set = true;
3102 
3103 	for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
3104 		if (is_valid_ether_addr(gen_tlvs.mac[i])) {
3105 			ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
3106 			tlv->mac_set[i] = true;
3107 		}
3108 	}
3109 
3110 	qed_get_vport_stats(cdev, &stats);
3111 	p_common = &stats.common;
3112 	tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
3113 			 p_common->rx_bcast_pkts;
3114 	tlv->rx_frames_set = true;
3115 	tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
3116 			p_common->rx_bcast_bytes;
3117 	tlv->rx_bytes_set = true;
3118 	tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
3119 			 p_common->tx_bcast_pkts;
3120 	tlv->tx_frames_set = true;
3121 	tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
3122 			p_common->tx_bcast_bytes;
3123 	tlv->rx_bytes_set = true;
3124 }
3125 
3126 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
3127 			  union qed_mfw_tlv_data *tlv_buf)
3128 {
3129 	struct qed_dev *cdev = hwfn->cdev;
3130 	struct qed_common_cb_ops *ops;
3131 
3132 	ops = cdev->protocol_ops.common;
3133 	if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
3134 		DP_NOTICE(hwfn, "Can't collect TLV management info\n");
3135 		return -EINVAL;
3136 	}
3137 
3138 	switch (type) {
3139 	case QED_MFW_TLV_GENERIC:
3140 		qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
3141 		break;
3142 	case QED_MFW_TLV_ETH:
3143 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
3144 		break;
3145 	case QED_MFW_TLV_FCOE:
3146 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
3147 		break;
3148 	case QED_MFW_TLV_ISCSI:
3149 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
3150 		break;
3151 	default:
3152 		break;
3153 	}
3154 
3155 	return 0;
3156 }
3157