xref: /linux/drivers/net/ethernet/qlogic/qed/qed_main.c (revision a1c3be890440a1769ed6f822376a3e3ab0d42994)
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 	if (rc > 0) {
620 		/* MSI-x configuration was achieved */
621 		int_params->out.int_mode = QED_INT_MODE_MSIX;
622 		int_params->out.num_vectors = rc;
623 		rc = 0;
624 	} else {
625 		DP_NOTICE(cdev,
626 			  "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
627 			  cnt, rc);
628 	}
629 
630 	return rc;
631 }
632 
633 /* This function outputs the int mode and the number of enabled msix vector */
634 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
635 {
636 	struct qed_int_params *int_params = &cdev->int_params;
637 	struct msix_entry *tbl;
638 	int rc = 0, cnt;
639 
640 	switch (int_params->in.int_mode) {
641 	case QED_INT_MODE_MSIX:
642 		/* Allocate MSIX table */
643 		cnt = int_params->in.num_vectors;
644 		int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
645 		if (!int_params->msix_table) {
646 			rc = -ENOMEM;
647 			goto out;
648 		}
649 
650 		/* Enable MSIX */
651 		rc = qed_enable_msix(cdev, int_params);
652 		if (!rc)
653 			goto out;
654 
655 		DP_NOTICE(cdev, "Failed to enable MSI-X\n");
656 		kfree(int_params->msix_table);
657 		if (force_mode)
658 			goto out;
659 		fallthrough;
660 
661 	case QED_INT_MODE_MSI:
662 		if (cdev->num_hwfns == 1) {
663 			rc = pci_enable_msi(cdev->pdev);
664 			if (!rc) {
665 				int_params->out.int_mode = QED_INT_MODE_MSI;
666 				goto out;
667 			}
668 
669 			DP_NOTICE(cdev, "Failed to enable MSI\n");
670 			if (force_mode)
671 				goto out;
672 		}
673 		fallthrough;
674 
675 	case QED_INT_MODE_INTA:
676 			int_params->out.int_mode = QED_INT_MODE_INTA;
677 			rc = 0;
678 			goto out;
679 	default:
680 		DP_NOTICE(cdev, "Unknown int_mode value %d\n",
681 			  int_params->in.int_mode);
682 		rc = -EINVAL;
683 	}
684 
685 out:
686 	if (!rc)
687 		DP_INFO(cdev, "Using %s interrupts\n",
688 			int_params->out.int_mode == QED_INT_MODE_INTA ?
689 			"INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
690 			"MSI" : "MSIX");
691 	cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
692 
693 	return rc;
694 }
695 
696 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
697 				    int index, void(*handler)(void *))
698 {
699 	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
700 	int relative_idx = index / cdev->num_hwfns;
701 
702 	hwfn->simd_proto_handler[relative_idx].func = handler;
703 	hwfn->simd_proto_handler[relative_idx].token = token;
704 }
705 
706 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
707 {
708 	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
709 	int relative_idx = index / cdev->num_hwfns;
710 
711 	memset(&hwfn->simd_proto_handler[relative_idx], 0,
712 	       sizeof(struct qed_simd_fp_handler));
713 }
714 
715 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
716 {
717 	tasklet_schedule((struct tasklet_struct *)tasklet);
718 	return IRQ_HANDLED;
719 }
720 
721 static irqreturn_t qed_single_int(int irq, void *dev_instance)
722 {
723 	struct qed_dev *cdev = (struct qed_dev *)dev_instance;
724 	struct qed_hwfn *hwfn;
725 	irqreturn_t rc = IRQ_NONE;
726 	u64 status;
727 	int i, j;
728 
729 	for (i = 0; i < cdev->num_hwfns; i++) {
730 		status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
731 
732 		if (!status)
733 			continue;
734 
735 		hwfn = &cdev->hwfns[i];
736 
737 		/* Slowpath interrupt */
738 		if (unlikely(status & 0x1)) {
739 			tasklet_schedule(&hwfn->sp_dpc);
740 			status &= ~0x1;
741 			rc = IRQ_HANDLED;
742 		}
743 
744 		/* Fastpath interrupts */
745 		for (j = 0; j < 64; j++) {
746 			if ((0x2ULL << j) & status) {
747 				struct qed_simd_fp_handler *p_handler =
748 					&hwfn->simd_proto_handler[j];
749 
750 				if (p_handler->func)
751 					p_handler->func(p_handler->token);
752 				else
753 					DP_NOTICE(hwfn,
754 						  "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
755 						  j, status);
756 
757 				status &= ~(0x2ULL << j);
758 				rc = IRQ_HANDLED;
759 			}
760 		}
761 
762 		if (unlikely(status))
763 			DP_VERBOSE(hwfn, NETIF_MSG_INTR,
764 				   "got an unknown interrupt status 0x%llx\n",
765 				   status);
766 	}
767 
768 	return rc;
769 }
770 
771 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
772 {
773 	struct qed_dev *cdev = hwfn->cdev;
774 	u32 int_mode;
775 	int rc = 0;
776 	u8 id;
777 
778 	int_mode = cdev->int_params.out.int_mode;
779 	if (int_mode == QED_INT_MODE_MSIX) {
780 		id = hwfn->my_id;
781 		snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
782 			 id, cdev->pdev->bus->number,
783 			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
784 		rc = request_irq(cdev->int_params.msix_table[id].vector,
785 				 qed_msix_sp_int, 0, hwfn->name, &hwfn->sp_dpc);
786 	} else {
787 		unsigned long flags = 0;
788 
789 		snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
790 			 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
791 			 PCI_FUNC(cdev->pdev->devfn));
792 
793 		if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
794 			flags |= IRQF_SHARED;
795 
796 		rc = request_irq(cdev->pdev->irq, qed_single_int,
797 				 flags, cdev->name, cdev);
798 	}
799 
800 	if (rc)
801 		DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
802 	else
803 		DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
804 			   "Requested slowpath %s\n",
805 			   (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
806 
807 	return rc;
808 }
809 
810 static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
811 {
812 	/* Calling the disable function will make sure that any
813 	 * currently-running function is completed. The following call to the
814 	 * enable function makes this sequence a flush-like operation.
815 	 */
816 	if (p_hwfn->b_sp_dpc_enabled) {
817 		tasklet_disable(&p_hwfn->sp_dpc);
818 		tasklet_enable(&p_hwfn->sp_dpc);
819 	}
820 }
821 
822 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
823 {
824 	struct qed_dev *cdev = p_hwfn->cdev;
825 	u8 id = p_hwfn->my_id;
826 	u32 int_mode;
827 
828 	int_mode = cdev->int_params.out.int_mode;
829 	if (int_mode == QED_INT_MODE_MSIX)
830 		synchronize_irq(cdev->int_params.msix_table[id].vector);
831 	else
832 		synchronize_irq(cdev->pdev->irq);
833 
834 	qed_slowpath_tasklet_flush(p_hwfn);
835 }
836 
837 static void qed_slowpath_irq_free(struct qed_dev *cdev)
838 {
839 	int i;
840 
841 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
842 		for_each_hwfn(cdev, i) {
843 			if (!cdev->hwfns[i].b_int_requested)
844 				break;
845 			synchronize_irq(cdev->int_params.msix_table[i].vector);
846 			free_irq(cdev->int_params.msix_table[i].vector,
847 				 &cdev->hwfns[i].sp_dpc);
848 		}
849 	} else {
850 		if (QED_LEADING_HWFN(cdev)->b_int_requested)
851 			free_irq(cdev->pdev->irq, cdev);
852 	}
853 	qed_int_disable_post_isr_release(cdev);
854 }
855 
856 static int qed_nic_stop(struct qed_dev *cdev)
857 {
858 	int i, rc;
859 
860 	rc = qed_hw_stop(cdev);
861 
862 	for (i = 0; i < cdev->num_hwfns; i++) {
863 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
864 
865 		if (p_hwfn->b_sp_dpc_enabled) {
866 			tasklet_disable(&p_hwfn->sp_dpc);
867 			p_hwfn->b_sp_dpc_enabled = false;
868 			DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
869 				   "Disabled sp tasklet [hwfn %d] at %p\n",
870 				   i, &p_hwfn->sp_dpc);
871 		}
872 	}
873 
874 	qed_dbg_pf_exit(cdev);
875 
876 	return rc;
877 }
878 
879 static int qed_nic_setup(struct qed_dev *cdev)
880 {
881 	int rc, i;
882 
883 	/* Determine if interface is going to require LL2 */
884 	if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
885 		for (i = 0; i < cdev->num_hwfns; i++) {
886 			struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
887 
888 			p_hwfn->using_ll2 = true;
889 		}
890 	}
891 
892 	rc = qed_resc_alloc(cdev);
893 	if (rc)
894 		return rc;
895 
896 	DP_INFO(cdev, "Allocated qed resources\n");
897 
898 	qed_resc_setup(cdev);
899 
900 	return rc;
901 }
902 
903 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
904 {
905 	int limit = 0;
906 
907 	/* Mark the fastpath as free/used */
908 	cdev->int_params.fp_initialized = cnt ? true : false;
909 
910 	if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
911 		limit = cdev->num_hwfns * 63;
912 	else if (cdev->int_params.fp_msix_cnt)
913 		limit = cdev->int_params.fp_msix_cnt;
914 
915 	if (!limit)
916 		return -ENOMEM;
917 
918 	return min_t(int, cnt, limit);
919 }
920 
921 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
922 {
923 	memset(info, 0, sizeof(struct qed_int_info));
924 
925 	if (!cdev->int_params.fp_initialized) {
926 		DP_INFO(cdev,
927 			"Protocol driver requested interrupt information, but its support is not yet configured\n");
928 		return -EINVAL;
929 	}
930 
931 	/* Need to expose only MSI-X information; Single IRQ is handled solely
932 	 * by qed.
933 	 */
934 	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
935 		int msix_base = cdev->int_params.fp_msix_base;
936 
937 		info->msix_cnt = cdev->int_params.fp_msix_cnt;
938 		info->msix = &cdev->int_params.msix_table[msix_base];
939 	}
940 
941 	return 0;
942 }
943 
944 static int qed_slowpath_setup_int(struct qed_dev *cdev,
945 				  enum qed_int_mode int_mode)
946 {
947 	struct qed_sb_cnt_info sb_cnt_info;
948 	int num_l2_queues = 0;
949 	int rc;
950 	int i;
951 
952 	if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
953 		DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
954 		return -EINVAL;
955 	}
956 
957 	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
958 	cdev->int_params.in.int_mode = int_mode;
959 	for_each_hwfn(cdev, i) {
960 		memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
961 		qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
962 		cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
963 		cdev->int_params.in.num_vectors++; /* slowpath */
964 	}
965 
966 	/* We want a minimum of one slowpath and one fastpath vector per hwfn */
967 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
968 
969 	if (is_kdump_kernel()) {
970 		DP_INFO(cdev,
971 			"Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
972 			cdev->int_params.in.min_msix_cnt);
973 		cdev->int_params.in.num_vectors =
974 			cdev->int_params.in.min_msix_cnt;
975 	}
976 
977 	rc = qed_set_int_mode(cdev, false);
978 	if (rc)  {
979 		DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
980 		return rc;
981 	}
982 
983 	cdev->int_params.fp_msix_base = cdev->num_hwfns;
984 	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
985 				       cdev->num_hwfns;
986 
987 	if (!IS_ENABLED(CONFIG_QED_RDMA) ||
988 	    !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
989 		return 0;
990 
991 	for_each_hwfn(cdev, i)
992 		num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
993 
994 	DP_VERBOSE(cdev, QED_MSG_RDMA,
995 		   "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
996 		   cdev->int_params.fp_msix_cnt, num_l2_queues);
997 
998 	if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
999 		cdev->int_params.rdma_msix_cnt =
1000 			(cdev->int_params.fp_msix_cnt - num_l2_queues)
1001 			/ cdev->num_hwfns;
1002 		cdev->int_params.rdma_msix_base =
1003 			cdev->int_params.fp_msix_base + num_l2_queues;
1004 		cdev->int_params.fp_msix_cnt = num_l2_queues;
1005 	} else {
1006 		cdev->int_params.rdma_msix_cnt = 0;
1007 	}
1008 
1009 	DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
1010 		   cdev->int_params.rdma_msix_cnt,
1011 		   cdev->int_params.rdma_msix_base);
1012 
1013 	return 0;
1014 }
1015 
1016 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
1017 {
1018 	int rc;
1019 
1020 	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
1021 	cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
1022 
1023 	qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
1024 			    &cdev->int_params.in.num_vectors);
1025 	if (cdev->num_hwfns > 1) {
1026 		u8 vectors = 0;
1027 
1028 		qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
1029 		cdev->int_params.in.num_vectors += vectors;
1030 	}
1031 
1032 	/* We want a minimum of one fastpath vector per vf hwfn */
1033 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
1034 
1035 	rc = qed_set_int_mode(cdev, true);
1036 	if (rc)
1037 		return rc;
1038 
1039 	cdev->int_params.fp_msix_base = 0;
1040 	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
1041 
1042 	return 0;
1043 }
1044 
1045 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
1046 		   u8 *input_buf, u32 max_size, u8 *unzip_buf)
1047 {
1048 	int rc;
1049 
1050 	p_hwfn->stream->next_in = input_buf;
1051 	p_hwfn->stream->avail_in = input_len;
1052 	p_hwfn->stream->next_out = unzip_buf;
1053 	p_hwfn->stream->avail_out = max_size;
1054 
1055 	rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
1056 
1057 	if (rc != Z_OK) {
1058 		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
1059 			   rc);
1060 		return 0;
1061 	}
1062 
1063 	rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
1064 	zlib_inflateEnd(p_hwfn->stream);
1065 
1066 	if (rc != Z_OK && rc != Z_STREAM_END) {
1067 		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
1068 			   p_hwfn->stream->msg, rc);
1069 		return 0;
1070 	}
1071 
1072 	return p_hwfn->stream->total_out / 4;
1073 }
1074 
1075 static int qed_alloc_stream_mem(struct qed_dev *cdev)
1076 {
1077 	int i;
1078 	void *workspace;
1079 
1080 	for_each_hwfn(cdev, i) {
1081 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1082 
1083 		p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
1084 		if (!p_hwfn->stream)
1085 			return -ENOMEM;
1086 
1087 		workspace = vzalloc(zlib_inflate_workspacesize());
1088 		if (!workspace)
1089 			return -ENOMEM;
1090 		p_hwfn->stream->workspace = workspace;
1091 	}
1092 
1093 	return 0;
1094 }
1095 
1096 static void qed_free_stream_mem(struct qed_dev *cdev)
1097 {
1098 	int i;
1099 
1100 	for_each_hwfn(cdev, i) {
1101 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1102 
1103 		if (!p_hwfn->stream)
1104 			return;
1105 
1106 		vfree(p_hwfn->stream->workspace);
1107 		kfree(p_hwfn->stream);
1108 	}
1109 }
1110 
1111 static void qed_update_pf_params(struct qed_dev *cdev,
1112 				 struct qed_pf_params *params)
1113 {
1114 	int i;
1115 
1116 	if (IS_ENABLED(CONFIG_QED_RDMA)) {
1117 		params->rdma_pf_params.num_qps = QED_ROCE_QPS;
1118 		params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
1119 		params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
1120 		/* divide by 3 the MRs to avoid MF ILT overflow */
1121 		params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
1122 	}
1123 
1124 	if (cdev->num_hwfns > 1 || IS_VF(cdev))
1125 		params->eth_pf_params.num_arfs_filters = 0;
1126 
1127 	/* In case we might support RDMA, don't allow qede to be greedy
1128 	 * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
1129 	 * per hwfn.
1130 	 */
1131 	if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
1132 		u16 *num_cons;
1133 
1134 		num_cons = &params->eth_pf_params.num_cons;
1135 		*num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
1136 	}
1137 
1138 	for (i = 0; i < cdev->num_hwfns; i++) {
1139 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1140 
1141 		p_hwfn->pf_params = *params;
1142 	}
1143 }
1144 
1145 #define QED_PERIODIC_DB_REC_COUNT		10
1146 #define QED_PERIODIC_DB_REC_INTERVAL_MS		100
1147 #define QED_PERIODIC_DB_REC_INTERVAL \
1148 	msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
1149 
1150 static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
1151 				     enum qed_slowpath_wq_flag wq_flag,
1152 				     unsigned long delay)
1153 {
1154 	if (!hwfn->slowpath_wq_active)
1155 		return -EINVAL;
1156 
1157 	/* Memory barrier for setting atomic bit */
1158 	smp_mb__before_atomic();
1159 	set_bit(wq_flag, &hwfn->slowpath_task_flags);
1160 	smp_mb__after_atomic();
1161 	queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
1162 
1163 	return 0;
1164 }
1165 
1166 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
1167 {
1168 	/* Reset periodic Doorbell Recovery counter */
1169 	p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1170 
1171 	/* Don't schedule periodic Doorbell Recovery if already scheduled */
1172 	if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1173 		     &p_hwfn->slowpath_task_flags))
1174 		return;
1175 
1176 	qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1177 				  QED_PERIODIC_DB_REC_INTERVAL);
1178 }
1179 
1180 static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1181 {
1182 	int i;
1183 
1184 	if (IS_VF(cdev))
1185 		return;
1186 
1187 	for_each_hwfn(cdev, i) {
1188 		if (!cdev->hwfns[i].slowpath_wq)
1189 			continue;
1190 
1191 		/* Stop queuing new delayed works */
1192 		cdev->hwfns[i].slowpath_wq_active = false;
1193 
1194 		cancel_delayed_work(&cdev->hwfns[i].slowpath_task);
1195 		destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1196 	}
1197 }
1198 
1199 static void qed_slowpath_task(struct work_struct *work)
1200 {
1201 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1202 					     slowpath_task.work);
1203 	struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1204 
1205 	if (!ptt) {
1206 		if (hwfn->slowpath_wq_active)
1207 			queue_delayed_work(hwfn->slowpath_wq,
1208 					   &hwfn->slowpath_task, 0);
1209 
1210 		return;
1211 	}
1212 
1213 	if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1214 			       &hwfn->slowpath_task_flags))
1215 		qed_mfw_process_tlv_req(hwfn, ptt);
1216 
1217 	if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1218 			       &hwfn->slowpath_task_flags)) {
1219 		qed_db_rec_handler(hwfn, ptt);
1220 		if (hwfn->periodic_db_rec_count--)
1221 			qed_slowpath_delayed_work(hwfn,
1222 						  QED_SLOWPATH_PERIODIC_DB_REC,
1223 						  QED_PERIODIC_DB_REC_INTERVAL);
1224 	}
1225 
1226 	qed_ptt_release(hwfn, ptt);
1227 }
1228 
1229 static int qed_slowpath_wq_start(struct qed_dev *cdev)
1230 {
1231 	struct qed_hwfn *hwfn;
1232 	char name[NAME_SIZE];
1233 	int i;
1234 
1235 	if (IS_VF(cdev))
1236 		return 0;
1237 
1238 	for_each_hwfn(cdev, i) {
1239 		hwfn = &cdev->hwfns[i];
1240 
1241 		snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1242 			 cdev->pdev->bus->number,
1243 			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1244 
1245 		hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1246 		if (!hwfn->slowpath_wq) {
1247 			DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1248 			return -ENOMEM;
1249 		}
1250 
1251 		INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1252 		hwfn->slowpath_wq_active = true;
1253 	}
1254 
1255 	return 0;
1256 }
1257 
1258 static int qed_slowpath_start(struct qed_dev *cdev,
1259 			      struct qed_slowpath_params *params)
1260 {
1261 	struct qed_drv_load_params drv_load_params;
1262 	struct qed_hw_init_params hw_init_params;
1263 	struct qed_mcp_drv_version drv_version;
1264 	struct qed_tunnel_info tunn_info;
1265 	const u8 *data = NULL;
1266 	struct qed_hwfn *hwfn;
1267 	struct qed_ptt *p_ptt;
1268 	int rc = -EINVAL;
1269 
1270 	if (qed_iov_wq_start(cdev))
1271 		goto err;
1272 
1273 	if (qed_slowpath_wq_start(cdev))
1274 		goto err;
1275 
1276 	if (IS_PF(cdev)) {
1277 		rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1278 				      &cdev->pdev->dev);
1279 		if (rc) {
1280 			DP_NOTICE(cdev,
1281 				  "Failed to find fw file - /lib/firmware/%s\n",
1282 				  QED_FW_FILE_NAME);
1283 			goto err;
1284 		}
1285 
1286 		if (cdev->num_hwfns == 1) {
1287 			p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1288 			if (p_ptt) {
1289 				QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1290 			} else {
1291 				DP_NOTICE(cdev,
1292 					  "Failed to acquire PTT for aRFS\n");
1293 				goto err;
1294 			}
1295 		}
1296 	}
1297 
1298 	cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1299 	rc = qed_nic_setup(cdev);
1300 	if (rc)
1301 		goto err;
1302 
1303 	if (IS_PF(cdev))
1304 		rc = qed_slowpath_setup_int(cdev, params->int_mode);
1305 	else
1306 		rc = qed_slowpath_vf_setup_int(cdev);
1307 	if (rc)
1308 		goto err1;
1309 
1310 	if (IS_PF(cdev)) {
1311 		/* Allocate stream for unzipping */
1312 		rc = qed_alloc_stream_mem(cdev);
1313 		if (rc)
1314 			goto err2;
1315 
1316 		/* First Dword used to differentiate between various sources */
1317 		data = cdev->firmware->data + sizeof(u32);
1318 
1319 		qed_dbg_pf_init(cdev);
1320 	}
1321 
1322 	/* Start the slowpath */
1323 	memset(&hw_init_params, 0, sizeof(hw_init_params));
1324 	memset(&tunn_info, 0, sizeof(tunn_info));
1325 	tunn_info.vxlan.b_mode_enabled = true;
1326 	tunn_info.l2_gre.b_mode_enabled = true;
1327 	tunn_info.ip_gre.b_mode_enabled = true;
1328 	tunn_info.l2_geneve.b_mode_enabled = true;
1329 	tunn_info.ip_geneve.b_mode_enabled = true;
1330 	tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1331 	tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1332 	tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1333 	tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1334 	tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1335 	hw_init_params.p_tunn = &tunn_info;
1336 	hw_init_params.b_hw_start = true;
1337 	hw_init_params.int_mode = cdev->int_params.out.int_mode;
1338 	hw_init_params.allow_npar_tx_switch = true;
1339 	hw_init_params.bin_fw_data = data;
1340 
1341 	memset(&drv_load_params, 0, sizeof(drv_load_params));
1342 	drv_load_params.is_crash_kernel = is_kdump_kernel();
1343 	drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1344 	drv_load_params.avoid_eng_reset = false;
1345 	drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1346 	hw_init_params.p_drv_load_params = &drv_load_params;
1347 
1348 	rc = qed_hw_init(cdev, &hw_init_params);
1349 	if (rc)
1350 		goto err2;
1351 
1352 	DP_INFO(cdev,
1353 		"HW initialization and function start completed successfully\n");
1354 
1355 	if (IS_PF(cdev)) {
1356 		cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1357 					   BIT(QED_MODE_L2GENEVE_TUNN) |
1358 					   BIT(QED_MODE_IPGENEVE_TUNN) |
1359 					   BIT(QED_MODE_L2GRE_TUNN) |
1360 					   BIT(QED_MODE_IPGRE_TUNN));
1361 	}
1362 
1363 	/* Allocate LL2 interface if needed */
1364 	if (QED_LEADING_HWFN(cdev)->using_ll2) {
1365 		rc = qed_ll2_alloc_if(cdev);
1366 		if (rc)
1367 			goto err3;
1368 	}
1369 	if (IS_PF(cdev)) {
1370 		hwfn = QED_LEADING_HWFN(cdev);
1371 		drv_version.version = (params->drv_major << 24) |
1372 				      (params->drv_minor << 16) |
1373 				      (params->drv_rev << 8) |
1374 				      (params->drv_eng);
1375 		strlcpy(drv_version.name, params->name,
1376 			MCP_DRV_VER_STR_SIZE - 4);
1377 		rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1378 					      &drv_version);
1379 		if (rc) {
1380 			DP_NOTICE(cdev, "Failed sending drv version command\n");
1381 			goto err4;
1382 		}
1383 	}
1384 
1385 	qed_reset_vport_stats(cdev);
1386 
1387 	return 0;
1388 
1389 err4:
1390 	qed_ll2_dealloc_if(cdev);
1391 err3:
1392 	qed_hw_stop(cdev);
1393 err2:
1394 	qed_hw_timers_stop_all(cdev);
1395 	if (IS_PF(cdev))
1396 		qed_slowpath_irq_free(cdev);
1397 	qed_free_stream_mem(cdev);
1398 	qed_disable_msix(cdev);
1399 err1:
1400 	qed_resc_free(cdev);
1401 err:
1402 	if (IS_PF(cdev))
1403 		release_firmware(cdev->firmware);
1404 
1405 	if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1406 	    QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1407 		qed_ptt_release(QED_LEADING_HWFN(cdev),
1408 				QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1409 
1410 	qed_iov_wq_stop(cdev, false);
1411 
1412 	qed_slowpath_wq_stop(cdev);
1413 
1414 	return rc;
1415 }
1416 
1417 static int qed_slowpath_stop(struct qed_dev *cdev)
1418 {
1419 	if (!cdev)
1420 		return -ENODEV;
1421 
1422 	qed_slowpath_wq_stop(cdev);
1423 
1424 	qed_ll2_dealloc_if(cdev);
1425 
1426 	if (IS_PF(cdev)) {
1427 		if (cdev->num_hwfns == 1)
1428 			qed_ptt_release(QED_LEADING_HWFN(cdev),
1429 					QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1430 		qed_free_stream_mem(cdev);
1431 		if (IS_QED_ETH_IF(cdev))
1432 			qed_sriov_disable(cdev, true);
1433 	}
1434 
1435 	qed_nic_stop(cdev);
1436 
1437 	if (IS_PF(cdev))
1438 		qed_slowpath_irq_free(cdev);
1439 
1440 	qed_disable_msix(cdev);
1441 
1442 	qed_resc_free(cdev);
1443 
1444 	qed_iov_wq_stop(cdev, true);
1445 
1446 	if (IS_PF(cdev))
1447 		release_firmware(cdev->firmware);
1448 
1449 	return 0;
1450 }
1451 
1452 static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1453 {
1454 	int i;
1455 
1456 	memcpy(cdev->name, name, NAME_SIZE);
1457 	for_each_hwfn(cdev, i)
1458 		snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1459 }
1460 
1461 static u32 qed_sb_init(struct qed_dev *cdev,
1462 		       struct qed_sb_info *sb_info,
1463 		       void *sb_virt_addr,
1464 		       dma_addr_t sb_phy_addr, u16 sb_id,
1465 		       enum qed_sb_type type)
1466 {
1467 	struct qed_hwfn *p_hwfn;
1468 	struct qed_ptt *p_ptt;
1469 	u16 rel_sb_id;
1470 	u32 rc;
1471 
1472 	/* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1473 	if (type == QED_SB_TYPE_L2_QUEUE) {
1474 		p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1475 		rel_sb_id = sb_id / cdev->num_hwfns;
1476 	} else {
1477 		p_hwfn = QED_AFFIN_HWFN(cdev);
1478 		rel_sb_id = sb_id;
1479 	}
1480 
1481 	DP_VERBOSE(cdev, NETIF_MSG_INTR,
1482 		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1483 		   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1484 
1485 	if (IS_PF(p_hwfn->cdev)) {
1486 		p_ptt = qed_ptt_acquire(p_hwfn);
1487 		if (!p_ptt)
1488 			return -EBUSY;
1489 
1490 		rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1491 				     sb_phy_addr, rel_sb_id);
1492 		qed_ptt_release(p_hwfn, p_ptt);
1493 	} else {
1494 		rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1495 				     sb_phy_addr, rel_sb_id);
1496 	}
1497 
1498 	return rc;
1499 }
1500 
1501 static u32 qed_sb_release(struct qed_dev *cdev,
1502 			  struct qed_sb_info *sb_info,
1503 			  u16 sb_id,
1504 			  enum qed_sb_type type)
1505 {
1506 	struct qed_hwfn *p_hwfn;
1507 	u16 rel_sb_id;
1508 	u32 rc;
1509 
1510 	/* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1511 	if (type == QED_SB_TYPE_L2_QUEUE) {
1512 		p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1513 		rel_sb_id = sb_id / cdev->num_hwfns;
1514 	} else {
1515 		p_hwfn = QED_AFFIN_HWFN(cdev);
1516 		rel_sb_id = sb_id;
1517 	}
1518 
1519 	DP_VERBOSE(cdev, NETIF_MSG_INTR,
1520 		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1521 		   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1522 
1523 	rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1524 
1525 	return rc;
1526 }
1527 
1528 static bool qed_can_link_change(struct qed_dev *cdev)
1529 {
1530 	return true;
1531 }
1532 
1533 static void qed_set_ext_speed_params(struct qed_mcp_link_params *link_params,
1534 				     const struct qed_link_params *params)
1535 {
1536 	struct qed_mcp_link_speed_params *ext_speed = &link_params->ext_speed;
1537 	const struct qed_mfw_speed_map *map;
1538 	u32 i;
1539 
1540 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1541 		ext_speed->autoneg = !!params->autoneg;
1542 
1543 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1544 		ext_speed->advertised_speeds = 0;
1545 
1546 		for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++) {
1547 			map = qed_mfw_ext_maps + i;
1548 
1549 			if (linkmode_intersects(params->adv_speeds, map->caps))
1550 				ext_speed->advertised_speeds |= map->mfw_val;
1551 		}
1552 	}
1553 
1554 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED) {
1555 		switch (params->forced_speed) {
1556 		case SPEED_1000:
1557 			ext_speed->forced_speed = QED_EXT_SPEED_1G;
1558 			break;
1559 		case SPEED_10000:
1560 			ext_speed->forced_speed = QED_EXT_SPEED_10G;
1561 			break;
1562 		case SPEED_20000:
1563 			ext_speed->forced_speed = QED_EXT_SPEED_20G;
1564 			break;
1565 		case SPEED_25000:
1566 			ext_speed->forced_speed = QED_EXT_SPEED_25G;
1567 			break;
1568 		case SPEED_40000:
1569 			ext_speed->forced_speed = QED_EXT_SPEED_40G;
1570 			break;
1571 		case SPEED_50000:
1572 			ext_speed->forced_speed = QED_EXT_SPEED_50G_R |
1573 						  QED_EXT_SPEED_50G_R2;
1574 			break;
1575 		case SPEED_100000:
1576 			ext_speed->forced_speed = QED_EXT_SPEED_100G_R2 |
1577 						  QED_EXT_SPEED_100G_R4 |
1578 						  QED_EXT_SPEED_100G_P4;
1579 			break;
1580 		default:
1581 			break;
1582 		}
1583 	}
1584 
1585 	if (!(params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG))
1586 		return;
1587 
1588 	switch (params->forced_speed) {
1589 	case SPEED_25000:
1590 		switch (params->fec) {
1591 		case FEC_FORCE_MODE_NONE:
1592 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_NONE;
1593 			break;
1594 		case FEC_FORCE_MODE_FIRECODE:
1595 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_BASE_R;
1596 			break;
1597 		case FEC_FORCE_MODE_RS:
1598 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528;
1599 			break;
1600 		case FEC_FORCE_MODE_AUTO:
1601 			link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528 |
1602 						    ETH_EXT_FEC_25G_BASE_R |
1603 						    ETH_EXT_FEC_25G_NONE;
1604 			break;
1605 		default:
1606 			break;
1607 		}
1608 
1609 		break;
1610 	case SPEED_40000:
1611 		switch (params->fec) {
1612 		case FEC_FORCE_MODE_NONE:
1613 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_NONE;
1614 			break;
1615 		case FEC_FORCE_MODE_FIRECODE:
1616 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R;
1617 			break;
1618 		case FEC_FORCE_MODE_AUTO:
1619 			link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R |
1620 						    ETH_EXT_FEC_40G_NONE;
1621 			break;
1622 		default:
1623 			break;
1624 		}
1625 
1626 		break;
1627 	case SPEED_50000:
1628 		switch (params->fec) {
1629 		case FEC_FORCE_MODE_NONE:
1630 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_NONE;
1631 			break;
1632 		case FEC_FORCE_MODE_FIRECODE:
1633 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_BASE_R;
1634 			break;
1635 		case FEC_FORCE_MODE_RS:
1636 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528;
1637 			break;
1638 		case FEC_FORCE_MODE_AUTO:
1639 			link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528 |
1640 						    ETH_EXT_FEC_50G_BASE_R |
1641 						    ETH_EXT_FEC_50G_NONE;
1642 			break;
1643 		default:
1644 			break;
1645 		}
1646 
1647 		break;
1648 	case SPEED_100000:
1649 		switch (params->fec) {
1650 		case FEC_FORCE_MODE_NONE:
1651 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_NONE;
1652 			break;
1653 		case FEC_FORCE_MODE_FIRECODE:
1654 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_BASE_R;
1655 			break;
1656 		case FEC_FORCE_MODE_RS:
1657 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528;
1658 			break;
1659 		case FEC_FORCE_MODE_AUTO:
1660 			link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528 |
1661 						    ETH_EXT_FEC_100G_BASE_R |
1662 						    ETH_EXT_FEC_100G_NONE;
1663 			break;
1664 		default:
1665 			break;
1666 		}
1667 
1668 		break;
1669 	default:
1670 		break;
1671 	}
1672 }
1673 
1674 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1675 {
1676 	struct qed_mcp_link_params *link_params;
1677 	struct qed_mcp_link_speed_params *speed;
1678 	const struct qed_mfw_speed_map *map;
1679 	struct qed_hwfn *hwfn;
1680 	struct qed_ptt *ptt;
1681 	int rc;
1682 	u32 i;
1683 
1684 	if (!cdev)
1685 		return -ENODEV;
1686 
1687 	/* The link should be set only once per PF */
1688 	hwfn = &cdev->hwfns[0];
1689 
1690 	/* When VF wants to set link, force it to read the bulletin instead.
1691 	 * This mimics the PF behavior, where a noitification [both immediate
1692 	 * and possible later] would be generated when changing properties.
1693 	 */
1694 	if (IS_VF(cdev)) {
1695 		qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1696 		return 0;
1697 	}
1698 
1699 	ptt = qed_ptt_acquire(hwfn);
1700 	if (!ptt)
1701 		return -EBUSY;
1702 
1703 	link_params = qed_mcp_get_link_params(hwfn);
1704 	if (!link_params)
1705 		return -ENODATA;
1706 
1707 	speed = &link_params->speed;
1708 
1709 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1710 		speed->autoneg = !!params->autoneg;
1711 
1712 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1713 		speed->advertised_speeds = 0;
1714 
1715 		for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++) {
1716 			map = qed_mfw_legacy_maps + i;
1717 
1718 			if (linkmode_intersects(params->adv_speeds, map->caps))
1719 				speed->advertised_speeds |= map->mfw_val;
1720 		}
1721 	}
1722 
1723 	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1724 		speed->forced_speed = params->forced_speed;
1725 
1726 	if (qed_mcp_is_ext_speed_supported(hwfn))
1727 		qed_set_ext_speed_params(link_params, params);
1728 
1729 	if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1730 		if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1731 			link_params->pause.autoneg = true;
1732 		else
1733 			link_params->pause.autoneg = false;
1734 		if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1735 			link_params->pause.forced_rx = true;
1736 		else
1737 			link_params->pause.forced_rx = false;
1738 		if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1739 			link_params->pause.forced_tx = true;
1740 		else
1741 			link_params->pause.forced_tx = false;
1742 	}
1743 
1744 	if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1745 		switch (params->loopback_mode) {
1746 		case QED_LINK_LOOPBACK_INT_PHY:
1747 			link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1748 			break;
1749 		case QED_LINK_LOOPBACK_EXT_PHY:
1750 			link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1751 			break;
1752 		case QED_LINK_LOOPBACK_EXT:
1753 			link_params->loopback_mode = ETH_LOOPBACK_EXT;
1754 			break;
1755 		case QED_LINK_LOOPBACK_MAC:
1756 			link_params->loopback_mode = ETH_LOOPBACK_MAC;
1757 			break;
1758 		case QED_LINK_LOOPBACK_CNIG_AH_ONLY_0123:
1759 			link_params->loopback_mode =
1760 				ETH_LOOPBACK_CNIG_AH_ONLY_0123;
1761 			break;
1762 		case QED_LINK_LOOPBACK_CNIG_AH_ONLY_2301:
1763 			link_params->loopback_mode =
1764 				ETH_LOOPBACK_CNIG_AH_ONLY_2301;
1765 			break;
1766 		case QED_LINK_LOOPBACK_PCS_AH_ONLY:
1767 			link_params->loopback_mode = ETH_LOOPBACK_PCS_AH_ONLY;
1768 			break;
1769 		case QED_LINK_LOOPBACK_REVERSE_MAC_AH_ONLY:
1770 			link_params->loopback_mode =
1771 				ETH_LOOPBACK_REVERSE_MAC_AH_ONLY;
1772 			break;
1773 		case QED_LINK_LOOPBACK_INT_PHY_FEA_AH_ONLY:
1774 			link_params->loopback_mode =
1775 				ETH_LOOPBACK_INT_PHY_FEA_AH_ONLY;
1776 			break;
1777 		default:
1778 			link_params->loopback_mode = ETH_LOOPBACK_NONE;
1779 			break;
1780 		}
1781 	}
1782 
1783 	if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1784 		memcpy(&link_params->eee, &params->eee,
1785 		       sizeof(link_params->eee));
1786 
1787 	if (params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG)
1788 		link_params->fec = params->fec;
1789 
1790 	rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1791 
1792 	qed_ptt_release(hwfn, ptt);
1793 
1794 	return rc;
1795 }
1796 
1797 static int qed_get_port_type(u32 media_type)
1798 {
1799 	int port_type;
1800 
1801 	switch (media_type) {
1802 	case MEDIA_SFPP_10G_FIBER:
1803 	case MEDIA_SFP_1G_FIBER:
1804 	case MEDIA_XFP_FIBER:
1805 	case MEDIA_MODULE_FIBER:
1806 		port_type = PORT_FIBRE;
1807 		break;
1808 	case MEDIA_DA_TWINAX:
1809 		port_type = PORT_DA;
1810 		break;
1811 	case MEDIA_BASE_T:
1812 		port_type = PORT_TP;
1813 		break;
1814 	case MEDIA_KR:
1815 	case MEDIA_NOT_PRESENT:
1816 		port_type = PORT_NONE;
1817 		break;
1818 	case MEDIA_UNSPECIFIED:
1819 	default:
1820 		port_type = PORT_OTHER;
1821 		break;
1822 	}
1823 	return port_type;
1824 }
1825 
1826 static int qed_get_link_data(struct qed_hwfn *hwfn,
1827 			     struct qed_mcp_link_params *params,
1828 			     struct qed_mcp_link_state *link,
1829 			     struct qed_mcp_link_capabilities *link_caps)
1830 {
1831 	void *p;
1832 
1833 	if (!IS_PF(hwfn->cdev)) {
1834 		qed_vf_get_link_params(hwfn, params);
1835 		qed_vf_get_link_state(hwfn, link);
1836 		qed_vf_get_link_caps(hwfn, link_caps);
1837 
1838 		return 0;
1839 	}
1840 
1841 	p = qed_mcp_get_link_params(hwfn);
1842 	if (!p)
1843 		return -ENXIO;
1844 	memcpy(params, p, sizeof(*params));
1845 
1846 	p = qed_mcp_get_link_state(hwfn);
1847 	if (!p)
1848 		return -ENXIO;
1849 	memcpy(link, p, sizeof(*link));
1850 
1851 	p = qed_mcp_get_link_capabilities(hwfn);
1852 	if (!p)
1853 		return -ENXIO;
1854 	memcpy(link_caps, p, sizeof(*link_caps));
1855 
1856 	return 0;
1857 }
1858 
1859 static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1860 				     struct qed_ptt *ptt, u32 capability,
1861 				     unsigned long *if_caps)
1862 {
1863 	u32 media_type, tcvr_state, tcvr_type;
1864 	u32 speed_mask, board_cfg;
1865 
1866 	if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1867 		media_type = MEDIA_UNSPECIFIED;
1868 
1869 	if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1870 		tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1871 
1872 	if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1873 		speed_mask = 0xFFFFFFFF;
1874 
1875 	if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1876 		board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1877 
1878 	DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1879 		   "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1880 		   media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1881 
1882 	switch (media_type) {
1883 	case MEDIA_DA_TWINAX:
1884 		phylink_set(if_caps, FIBRE);
1885 
1886 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1887 			phylink_set(if_caps, 20000baseKR2_Full);
1888 
1889 		/* For DAC media multiple speed capabilities are supported */
1890 		capability |= speed_mask;
1891 
1892 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1893 			phylink_set(if_caps, 1000baseKX_Full);
1894 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1895 			phylink_set(if_caps, 10000baseCR_Full);
1896 
1897 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1898 			switch (tcvr_type) {
1899 			case ETH_TRANSCEIVER_TYPE_40G_CR4:
1900 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
1901 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1902 				phylink_set(if_caps, 40000baseCR4_Full);
1903 				break;
1904 			default:
1905 				break;
1906 			}
1907 
1908 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1909 			phylink_set(if_caps, 25000baseCR_Full);
1910 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1911 			phylink_set(if_caps, 50000baseCR2_Full);
1912 
1913 		if (capability &
1914 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1915 			switch (tcvr_type) {
1916 			case ETH_TRANSCEIVER_TYPE_100G_CR4:
1917 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
1918 				phylink_set(if_caps, 100000baseCR4_Full);
1919 				break;
1920 			default:
1921 				break;
1922 			}
1923 
1924 		break;
1925 	case MEDIA_BASE_T:
1926 		phylink_set(if_caps, TP);
1927 
1928 		if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1929 			if (capability &
1930 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1931 				phylink_set(if_caps, 1000baseT_Full);
1932 			if (capability &
1933 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1934 				phylink_set(if_caps, 10000baseT_Full);
1935 		}
1936 
1937 		if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1938 			phylink_set(if_caps, FIBRE);
1939 
1940 			switch (tcvr_type) {
1941 			case ETH_TRANSCEIVER_TYPE_1000BASET:
1942 				phylink_set(if_caps, 1000baseT_Full);
1943 				break;
1944 			case ETH_TRANSCEIVER_TYPE_10G_BASET:
1945 				phylink_set(if_caps, 10000baseT_Full);
1946 				break;
1947 			default:
1948 				break;
1949 			}
1950 		}
1951 
1952 		break;
1953 	case MEDIA_SFP_1G_FIBER:
1954 	case MEDIA_SFPP_10G_FIBER:
1955 	case MEDIA_XFP_FIBER:
1956 	case MEDIA_MODULE_FIBER:
1957 		phylink_set(if_caps, FIBRE);
1958 		capability |= speed_mask;
1959 
1960 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1961 			switch (tcvr_type) {
1962 			case ETH_TRANSCEIVER_TYPE_1G_LX:
1963 			case ETH_TRANSCEIVER_TYPE_1G_SX:
1964 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1965 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1966 				phylink_set(if_caps, 1000baseKX_Full);
1967 				break;
1968 			default:
1969 				break;
1970 			}
1971 
1972 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1973 			switch (tcvr_type) {
1974 			case ETH_TRANSCEIVER_TYPE_10G_SR:
1975 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
1976 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
1977 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
1978 				phylink_set(if_caps, 10000baseSR_Full);
1979 				break;
1980 			case ETH_TRANSCEIVER_TYPE_10G_LR:
1981 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
1982 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
1983 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
1984 				phylink_set(if_caps, 10000baseLR_Full);
1985 				break;
1986 			case ETH_TRANSCEIVER_TYPE_10G_LRM:
1987 				phylink_set(if_caps, 10000baseLRM_Full);
1988 				break;
1989 			case ETH_TRANSCEIVER_TYPE_10G_ER:
1990 				phylink_set(if_caps, 10000baseR_FEC);
1991 				break;
1992 			default:
1993 				break;
1994 			}
1995 
1996 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1997 			phylink_set(if_caps, 20000baseKR2_Full);
1998 
1999 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2000 			switch (tcvr_type) {
2001 			case ETH_TRANSCEIVER_TYPE_25G_SR:
2002 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2003 				phylink_set(if_caps, 25000baseSR_Full);
2004 				break;
2005 			default:
2006 				break;
2007 			}
2008 
2009 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2010 			switch (tcvr_type) {
2011 			case ETH_TRANSCEIVER_TYPE_40G_LR4:
2012 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2013 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2014 				phylink_set(if_caps, 40000baseLR4_Full);
2015 				break;
2016 			case ETH_TRANSCEIVER_TYPE_40G_SR4:
2017 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2018 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2019 				phylink_set(if_caps, 40000baseSR4_Full);
2020 				break;
2021 			default:
2022 				break;
2023 			}
2024 
2025 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2026 			phylink_set(if_caps, 50000baseKR2_Full);
2027 
2028 		if (capability &
2029 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2030 			switch (tcvr_type) {
2031 			case ETH_TRANSCEIVER_TYPE_100G_SR4:
2032 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2033 				phylink_set(if_caps, 100000baseSR4_Full);
2034 				break;
2035 			case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2036 				phylink_set(if_caps, 100000baseLR4_ER4_Full);
2037 				break;
2038 			default:
2039 				break;
2040 			}
2041 
2042 		break;
2043 	case MEDIA_KR:
2044 		phylink_set(if_caps, Backplane);
2045 
2046 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
2047 			phylink_set(if_caps, 20000baseKR2_Full);
2048 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
2049 			phylink_set(if_caps, 1000baseKX_Full);
2050 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
2051 			phylink_set(if_caps, 10000baseKR_Full);
2052 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
2053 			phylink_set(if_caps, 25000baseKR_Full);
2054 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
2055 			phylink_set(if_caps, 40000baseKR4_Full);
2056 		if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
2057 			phylink_set(if_caps, 50000baseKR2_Full);
2058 		if (capability &
2059 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
2060 			phylink_set(if_caps, 100000baseKR4_Full);
2061 
2062 		break;
2063 	case MEDIA_UNSPECIFIED:
2064 	case MEDIA_NOT_PRESENT:
2065 	default:
2066 		DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
2067 			   "Unknown media and transceiver type;\n");
2068 		break;
2069 	}
2070 }
2071 
2072 static void qed_lp_caps_to_speed_mask(u32 caps, u32 *speed_mask)
2073 {
2074 	*speed_mask = 0;
2075 
2076 	if (caps &
2077 	    (QED_LINK_PARTNER_SPEED_1G_FD | QED_LINK_PARTNER_SPEED_1G_HD))
2078 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2079 	if (caps & QED_LINK_PARTNER_SPEED_10G)
2080 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2081 	if (caps & QED_LINK_PARTNER_SPEED_20G)
2082 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
2083 	if (caps & QED_LINK_PARTNER_SPEED_25G)
2084 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2085 	if (caps & QED_LINK_PARTNER_SPEED_40G)
2086 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2087 	if (caps & QED_LINK_PARTNER_SPEED_50G)
2088 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
2089 	if (caps & QED_LINK_PARTNER_SPEED_100G)
2090 		*speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
2091 }
2092 
2093 static void qed_fill_link(struct qed_hwfn *hwfn,
2094 			  struct qed_ptt *ptt,
2095 			  struct qed_link_output *if_link)
2096 {
2097 	struct qed_mcp_link_capabilities link_caps;
2098 	struct qed_mcp_link_params params;
2099 	struct qed_mcp_link_state link;
2100 	u32 media_type, speed_mask;
2101 
2102 	memset(if_link, 0, sizeof(*if_link));
2103 
2104 	/* Prepare source inputs */
2105 	if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
2106 		dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
2107 		return;
2108 	}
2109 
2110 	/* Set the link parameters to pass to protocol driver */
2111 	if (link.link_up)
2112 		if_link->link_up = true;
2113 
2114 	if (IS_PF(hwfn->cdev) && qed_mcp_is_ext_speed_supported(hwfn)) {
2115 		if (link_caps.default_ext_autoneg)
2116 			phylink_set(if_link->supported_caps, Autoneg);
2117 
2118 		linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2119 
2120 		if (params.ext_speed.autoneg)
2121 			phylink_set(if_link->advertised_caps, Autoneg);
2122 		else
2123 			phylink_clear(if_link->advertised_caps, Autoneg);
2124 
2125 		qed_fill_link_capability(hwfn, ptt,
2126 					 params.ext_speed.advertised_speeds,
2127 					 if_link->advertised_caps);
2128 	} else {
2129 		if (link_caps.default_speed_autoneg)
2130 			phylink_set(if_link->supported_caps, Autoneg);
2131 
2132 		linkmode_copy(if_link->advertised_caps, if_link->supported_caps);
2133 
2134 		if (params.speed.autoneg)
2135 			phylink_set(if_link->advertised_caps, Autoneg);
2136 		else
2137 			phylink_clear(if_link->advertised_caps, Autoneg);
2138 	}
2139 
2140 	if (params.pause.autoneg ||
2141 	    (params.pause.forced_rx && params.pause.forced_tx))
2142 		phylink_set(if_link->supported_caps, Asym_Pause);
2143 	if (params.pause.autoneg || params.pause.forced_rx ||
2144 	    params.pause.forced_tx)
2145 		phylink_set(if_link->supported_caps, Pause);
2146 
2147 	if_link->sup_fec = link_caps.fec_default;
2148 	if_link->active_fec = params.fec;
2149 
2150 	/* Fill link advertised capability */
2151 	qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
2152 				 if_link->advertised_caps);
2153 
2154 	/* Fill link supported capability */
2155 	qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
2156 				 if_link->supported_caps);
2157 
2158 	/* Fill partner advertised capability */
2159 	qed_lp_caps_to_speed_mask(link.partner_adv_speed, &speed_mask);
2160 	qed_fill_link_capability(hwfn, ptt, speed_mask, if_link->lp_caps);
2161 
2162 	if (link.link_up)
2163 		if_link->speed = link.speed;
2164 
2165 	/* TODO - fill duplex properly */
2166 	if_link->duplex = DUPLEX_FULL;
2167 	qed_mcp_get_media_type(hwfn, ptt, &media_type);
2168 	if_link->port = qed_get_port_type(media_type);
2169 
2170 	if_link->autoneg = params.speed.autoneg;
2171 
2172 	if (params.pause.autoneg)
2173 		if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
2174 	if (params.pause.forced_rx)
2175 		if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
2176 	if (params.pause.forced_tx)
2177 		if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
2178 
2179 	if (link.an_complete)
2180 		phylink_set(if_link->lp_caps, Autoneg);
2181 	if (link.partner_adv_pause)
2182 		phylink_set(if_link->lp_caps, Pause);
2183 	if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
2184 	    link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
2185 		phylink_set(if_link->lp_caps, Asym_Pause);
2186 
2187 	if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
2188 		if_link->eee_supported = false;
2189 	} else {
2190 		if_link->eee_supported = true;
2191 		if_link->eee_active = link.eee_active;
2192 		if_link->sup_caps = link_caps.eee_speed_caps;
2193 		/* MFW clears adv_caps on eee disable; use configured value */
2194 		if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
2195 					params.eee.adv_caps;
2196 		if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
2197 		if_link->eee.enable = params.eee.enable;
2198 		if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
2199 		if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
2200 	}
2201 }
2202 
2203 static void qed_get_current_link(struct qed_dev *cdev,
2204 				 struct qed_link_output *if_link)
2205 {
2206 	struct qed_hwfn *hwfn;
2207 	struct qed_ptt *ptt;
2208 	int i;
2209 
2210 	hwfn = &cdev->hwfns[0];
2211 	if (IS_PF(cdev)) {
2212 		ptt = qed_ptt_acquire(hwfn);
2213 		if (ptt) {
2214 			qed_fill_link(hwfn, ptt, if_link);
2215 			qed_ptt_release(hwfn, ptt);
2216 		} else {
2217 			DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
2218 		}
2219 	} else {
2220 		qed_fill_link(hwfn, NULL, if_link);
2221 	}
2222 
2223 	for_each_hwfn(cdev, i)
2224 		qed_inform_vf_link_state(&cdev->hwfns[i]);
2225 }
2226 
2227 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2228 {
2229 	void *cookie = hwfn->cdev->ops_cookie;
2230 	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2231 	struct qed_link_output if_link;
2232 
2233 	qed_fill_link(hwfn, ptt, &if_link);
2234 	qed_inform_vf_link_state(hwfn);
2235 
2236 	if (IS_LEAD_HWFN(hwfn) && cookie)
2237 		op->link_update(cookie, &if_link);
2238 }
2239 
2240 void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
2241 {
2242 	void *cookie = hwfn->cdev->ops_cookie;
2243 	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
2244 
2245 	if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update)
2246 		op->bw_update(cookie);
2247 }
2248 
2249 static int qed_drain(struct qed_dev *cdev)
2250 {
2251 	struct qed_hwfn *hwfn;
2252 	struct qed_ptt *ptt;
2253 	int i, rc;
2254 
2255 	if (IS_VF(cdev))
2256 		return 0;
2257 
2258 	for_each_hwfn(cdev, i) {
2259 		hwfn = &cdev->hwfns[i];
2260 		ptt = qed_ptt_acquire(hwfn);
2261 		if (!ptt) {
2262 			DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
2263 			return -EBUSY;
2264 		}
2265 		rc = qed_mcp_drain(hwfn, ptt);
2266 		qed_ptt_release(hwfn, ptt);
2267 		if (rc)
2268 			return rc;
2269 	}
2270 
2271 	return 0;
2272 }
2273 
2274 static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
2275 					  struct qed_nvm_image_att *nvm_image,
2276 					  u32 *crc)
2277 {
2278 	u8 *buf = NULL;
2279 	int rc;
2280 
2281 	/* Allocate a buffer for holding the nvram image */
2282 	buf = kzalloc(nvm_image->length, GFP_KERNEL);
2283 	if (!buf)
2284 		return -ENOMEM;
2285 
2286 	/* Read image into buffer */
2287 	rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
2288 			      buf, nvm_image->length);
2289 	if (rc) {
2290 		DP_ERR(cdev, "Failed reading image from nvm\n");
2291 		goto out;
2292 	}
2293 
2294 	/* Convert the buffer into big-endian format (excluding the
2295 	 * closing 4 bytes of CRC).
2296 	 */
2297 	cpu_to_be32_array((__force __be32 *)buf, (const u32 *)buf,
2298 			  DIV_ROUND_UP(nvm_image->length - 4, 4));
2299 
2300 	/* Calc CRC for the "actual" image buffer, i.e. not including
2301 	 * the last 4 CRC bytes.
2302 	 */
2303 	*crc = ~crc32(~0U, buf, nvm_image->length - 4);
2304 	*crc = (__force u32)cpu_to_be32p(crc);
2305 
2306 out:
2307 	kfree(buf);
2308 
2309 	return rc;
2310 }
2311 
2312 /* Binary file format -
2313  *     /----------------------------------------------------------------------\
2314  * 0B  |                       0x4 [command index]                            |
2315  * 4B  | image_type     | Options        |  Number of register settings       |
2316  * 8B  |                       Value                                          |
2317  * 12B |                       Mask                                           |
2318  * 16B |                       Offset                                         |
2319  *     \----------------------------------------------------------------------/
2320  * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2321  * Options - 0'b - Calculate & Update CRC for image
2322  */
2323 static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2324 				      bool *check_resp)
2325 {
2326 	struct qed_nvm_image_att nvm_image;
2327 	struct qed_hwfn *p_hwfn;
2328 	bool is_crc = false;
2329 	u32 image_type;
2330 	int rc = 0, i;
2331 	u16 len;
2332 
2333 	*data += 4;
2334 	image_type = **data;
2335 	p_hwfn = QED_LEADING_HWFN(cdev);
2336 	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2337 		if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2338 			break;
2339 	if (i == p_hwfn->nvm_info.num_images) {
2340 		DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2341 		       image_type);
2342 		return -ENOENT;
2343 	}
2344 
2345 	nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2346 	nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2347 
2348 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2349 		   "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2350 		   **data, image_type, nvm_image.start_addr,
2351 		   nvm_image.start_addr + nvm_image.length - 1);
2352 	(*data)++;
2353 	is_crc = !!(**data & BIT(0));
2354 	(*data)++;
2355 	len = *((u16 *)*data);
2356 	*data += 2;
2357 	if (is_crc) {
2358 		u32 crc = 0;
2359 
2360 		rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2361 		if (rc) {
2362 			DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2363 			goto exit;
2364 		}
2365 
2366 		rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2367 				       (nvm_image.start_addr +
2368 					nvm_image.length - 4), (u8 *)&crc, 4);
2369 		if (rc)
2370 			DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2371 			       nvm_image.start_addr + nvm_image.length - 4, rc);
2372 		goto exit;
2373 	}
2374 
2375 	/* Iterate over the values for setting */
2376 	while (len) {
2377 		u32 offset, mask, value, cur_value;
2378 		u8 buf[4];
2379 
2380 		value = *((u32 *)*data);
2381 		*data += 4;
2382 		mask = *((u32 *)*data);
2383 		*data += 4;
2384 		offset = *((u32 *)*data);
2385 		*data += 4;
2386 
2387 		rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2388 				      4);
2389 		if (rc) {
2390 			DP_ERR(cdev, "Failed reading from %08x\n",
2391 			       nvm_image.start_addr + offset);
2392 			goto exit;
2393 		}
2394 
2395 		cur_value = le32_to_cpu(*((__le32 *)buf));
2396 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
2397 			   "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2398 			   nvm_image.start_addr + offset, cur_value,
2399 			   (cur_value & ~mask) | (value & mask), value, mask);
2400 		value = (value & mask) | (cur_value & ~mask);
2401 		rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2402 				       nvm_image.start_addr + offset,
2403 				       (u8 *)&value, 4);
2404 		if (rc) {
2405 			DP_ERR(cdev, "Failed writing to %08x\n",
2406 			       nvm_image.start_addr + offset);
2407 			goto exit;
2408 		}
2409 
2410 		len--;
2411 	}
2412 exit:
2413 	return rc;
2414 }
2415 
2416 /* Binary file format -
2417  *     /----------------------------------------------------------------------\
2418  * 0B  |                       0x3 [command index]                            |
2419  * 4B  | b'0: check_response?   | b'1-31  reserved                            |
2420  * 8B  | File-type |                   reserved                               |
2421  * 12B |                    Image length in bytes                             |
2422  *     \----------------------------------------------------------------------/
2423  *     Start a new file of the provided type
2424  */
2425 static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2426 					  const u8 **data, bool *check_resp)
2427 {
2428 	u32 file_type, file_size = 0;
2429 	int rc;
2430 
2431 	*data += 4;
2432 	*check_resp = !!(**data & BIT(0));
2433 	*data += 4;
2434 	file_type = **data;
2435 
2436 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2437 		   "About to start a new file of type %02x\n", file_type);
2438 	if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2439 		*data += 4;
2440 		file_size = *((u32 *)(*data));
2441 	}
2442 
2443 	rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2444 			       (u8 *)(&file_size), 4);
2445 	*data += 4;
2446 
2447 	return rc;
2448 }
2449 
2450 /* Binary file format -
2451  *     /----------------------------------------------------------------------\
2452  * 0B  |                       0x2 [command index]                            |
2453  * 4B  |                       Length in bytes                                |
2454  * 8B  | b'0: check_response?   | b'1-31  reserved                            |
2455  * 12B |                       Offset in bytes                                |
2456  * 16B |                       Data ...                                       |
2457  *     \----------------------------------------------------------------------/
2458  *     Write data as part of a file that was previously started. Data should be
2459  *     of length equal to that provided in the message
2460  */
2461 static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2462 					 const u8 **data, bool *check_resp)
2463 {
2464 	u32 offset, len;
2465 	int rc;
2466 
2467 	*data += 4;
2468 	len = *((u32 *)(*data));
2469 	*data += 4;
2470 	*check_resp = !!(**data & BIT(0));
2471 	*data += 4;
2472 	offset = *((u32 *)(*data));
2473 	*data += 4;
2474 
2475 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2476 		   "About to write File-data: %08x bytes to offset %08x\n",
2477 		   len, offset);
2478 
2479 	rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2480 			       (char *)(*data), len);
2481 	*data += len;
2482 
2483 	return rc;
2484 }
2485 
2486 /* Binary file format [General header] -
2487  *     /----------------------------------------------------------------------\
2488  * 0B  |                       QED_NVM_SIGNATURE                              |
2489  * 4B  |                       Length in bytes                                |
2490  * 8B  | Highest command in this batchfile |          Reserved                |
2491  *     \----------------------------------------------------------------------/
2492  */
2493 static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2494 					const struct firmware *image,
2495 					const u8 **data)
2496 {
2497 	u32 signature, len;
2498 
2499 	/* Check minimum size */
2500 	if (image->size < 12) {
2501 		DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2502 		return -EINVAL;
2503 	}
2504 
2505 	/* Check signature */
2506 	signature = *((u32 *)(*data));
2507 	if (signature != QED_NVM_SIGNATURE) {
2508 		DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2509 		return -EINVAL;
2510 	}
2511 
2512 	*data += 4;
2513 	/* Validate internal size equals the image-size */
2514 	len = *((u32 *)(*data));
2515 	if (len != image->size) {
2516 		DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2517 		       len, (u32)image->size);
2518 		return -EINVAL;
2519 	}
2520 
2521 	*data += 4;
2522 	/* Make sure driver familiar with all commands necessary for this */
2523 	if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2524 		DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2525 		       *((u16 *)(*data)));
2526 		return -EINVAL;
2527 	}
2528 
2529 	*data += 4;
2530 
2531 	return 0;
2532 }
2533 
2534 /* Binary file format -
2535  *     /----------------------------------------------------------------------\
2536  * 0B  |                       0x5 [command index]                            |
2537  * 4B  | Number of config attributes     |          Reserved                  |
2538  * 4B  | Config ID                       | Entity ID      | Length            |
2539  * 4B  | Value                                                                |
2540  *     |                                                                      |
2541  *     \----------------------------------------------------------------------/
2542  * There can be several cfg_id-entity_id-Length-Value sets as specified by
2543  * 'Number of config attributes'.
2544  *
2545  * The API parses config attributes from the user provided buffer and flashes
2546  * them to the respective NVM path using Management FW inerface.
2547  */
2548 static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
2549 {
2550 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2551 	u8 entity_id, len, buf[32];
2552 	bool need_nvm_init = true;
2553 	struct qed_ptt *ptt;
2554 	u16 cfg_id, count;
2555 	int rc = 0, i;
2556 	u32 flags;
2557 
2558 	ptt = qed_ptt_acquire(hwfn);
2559 	if (!ptt)
2560 		return -EAGAIN;
2561 
2562 	/* NVM CFG ID attribute header */
2563 	*data += 4;
2564 	count = *((u16 *)*data);
2565 	*data += 4;
2566 
2567 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2568 		   "Read config ids: num_attrs = %0d\n", count);
2569 	/* NVM CFG ID attributes. Start loop index from 1 to avoid additional
2570 	 * arithmetic operations in the implementation.
2571 	 */
2572 	for (i = 1; i <= count; i++) {
2573 		cfg_id = *((u16 *)*data);
2574 		*data += 2;
2575 		entity_id = **data;
2576 		(*data)++;
2577 		len = **data;
2578 		(*data)++;
2579 		memcpy(buf, *data, len);
2580 		*data += len;
2581 
2582 		flags = 0;
2583 		if (need_nvm_init) {
2584 			flags |= QED_NVM_CFG_OPTION_INIT;
2585 			need_nvm_init = false;
2586 		}
2587 
2588 		/* Commit to flash and free the resources */
2589 		if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
2590 			flags |= QED_NVM_CFG_OPTION_COMMIT |
2591 				 QED_NVM_CFG_OPTION_FREE;
2592 			need_nvm_init = true;
2593 		}
2594 
2595 		if (entity_id)
2596 			flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;
2597 
2598 		DP_VERBOSE(cdev, NETIF_MSG_DRV,
2599 			   "cfg_id = %d entity = %d len = %d\n", cfg_id,
2600 			   entity_id, len);
2601 		rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
2602 					 buf, len);
2603 		if (rc) {
2604 			DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
2605 			break;
2606 		}
2607 	}
2608 
2609 	qed_ptt_release(hwfn, ptt);
2610 
2611 	return rc;
2612 }
2613 
2614 #define QED_MAX_NVM_BUF_LEN	32
2615 static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
2616 {
2617 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2618 	u8 buf[QED_MAX_NVM_BUF_LEN];
2619 	struct qed_ptt *ptt;
2620 	u32 len;
2621 	int rc;
2622 
2623 	ptt = qed_ptt_acquire(hwfn);
2624 	if (!ptt)
2625 		return QED_MAX_NVM_BUF_LEN;
2626 
2627 	rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
2628 				 &len);
2629 	if (rc || !len) {
2630 		DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2631 		len = QED_MAX_NVM_BUF_LEN;
2632 	}
2633 
2634 	qed_ptt_release(hwfn, ptt);
2635 
2636 	return len;
2637 }
2638 
2639 static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
2640 				  u32 cmd, u32 entity_id)
2641 {
2642 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2643 	struct qed_ptt *ptt;
2644 	u32 flags, len;
2645 	int rc = 0;
2646 
2647 	ptt = qed_ptt_acquire(hwfn);
2648 	if (!ptt)
2649 		return -EAGAIN;
2650 
2651 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2652 		   "Read config cmd = %d entity id %d\n", cmd, entity_id);
2653 	flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
2654 	rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
2655 	if (rc)
2656 		DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
2657 
2658 	qed_ptt_release(hwfn, ptt);
2659 
2660 	return rc;
2661 }
2662 
2663 static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2664 {
2665 	const struct firmware *image;
2666 	const u8 *data, *data_end;
2667 	u32 cmd_type;
2668 	int rc;
2669 
2670 	rc = request_firmware(&image, name, &cdev->pdev->dev);
2671 	if (rc) {
2672 		DP_ERR(cdev, "Failed to find '%s'\n", name);
2673 		return rc;
2674 	}
2675 
2676 	DP_VERBOSE(cdev, NETIF_MSG_DRV,
2677 		   "Flashing '%s' - firmware's data at %p, size is %08x\n",
2678 		   name, image->data, (u32)image->size);
2679 	data = image->data;
2680 	data_end = data + image->size;
2681 
2682 	rc = qed_nvm_flash_image_validate(cdev, image, &data);
2683 	if (rc)
2684 		goto exit;
2685 
2686 	while (data < data_end) {
2687 		bool check_resp = false;
2688 
2689 		/* Parse the actual command */
2690 		cmd_type = *((u32 *)data);
2691 		switch (cmd_type) {
2692 		case QED_NVM_FLASH_CMD_FILE_DATA:
2693 			rc = qed_nvm_flash_image_file_data(cdev, &data,
2694 							   &check_resp);
2695 			break;
2696 		case QED_NVM_FLASH_CMD_FILE_START:
2697 			rc = qed_nvm_flash_image_file_start(cdev, &data,
2698 							    &check_resp);
2699 			break;
2700 		case QED_NVM_FLASH_CMD_NVM_CHANGE:
2701 			rc = qed_nvm_flash_image_access(cdev, &data,
2702 							&check_resp);
2703 			break;
2704 		case QED_NVM_FLASH_CMD_NVM_CFG_ID:
2705 			rc = qed_nvm_flash_cfg_write(cdev, &data);
2706 			break;
2707 		default:
2708 			DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2709 			rc = -EINVAL;
2710 			goto exit;
2711 		}
2712 
2713 		if (rc) {
2714 			DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2715 			goto exit;
2716 		}
2717 
2718 		/* Check response if needed */
2719 		if (check_resp) {
2720 			u32 mcp_response = 0;
2721 
2722 			if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2723 				DP_ERR(cdev, "Failed getting MCP response\n");
2724 				rc = -EINVAL;
2725 				goto exit;
2726 			}
2727 
2728 			switch (mcp_response & FW_MSG_CODE_MASK) {
2729 			case FW_MSG_CODE_OK:
2730 			case FW_MSG_CODE_NVM_OK:
2731 			case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2732 			case FW_MSG_CODE_PHY_OK:
2733 				break;
2734 			default:
2735 				DP_ERR(cdev, "MFW returns error: %08x\n",
2736 				       mcp_response);
2737 				rc = -EINVAL;
2738 				goto exit;
2739 			}
2740 		}
2741 	}
2742 
2743 exit:
2744 	release_firmware(image);
2745 
2746 	return rc;
2747 }
2748 
2749 static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2750 			     u8 *buf, u16 len)
2751 {
2752 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2753 
2754 	return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2755 }
2756 
2757 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2758 {
2759 	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2760 	void *cookie = p_hwfn->cdev->ops_cookie;
2761 
2762 	if (ops && ops->schedule_recovery_handler)
2763 		ops->schedule_recovery_handler(cookie);
2764 }
2765 
2766 static const char * const qed_hw_err_type_descr[] = {
2767 	[QED_HW_ERR_FAN_FAIL]		= "Fan Failure",
2768 	[QED_HW_ERR_MFW_RESP_FAIL]	= "MFW Response Failure",
2769 	[QED_HW_ERR_HW_ATTN]		= "HW Attention",
2770 	[QED_HW_ERR_DMAE_FAIL]		= "DMAE Failure",
2771 	[QED_HW_ERR_RAMROD_FAIL]	= "Ramrod Failure",
2772 	[QED_HW_ERR_FW_ASSERT]		= "FW Assertion",
2773 	[QED_HW_ERR_LAST]		= "Unknown",
2774 };
2775 
2776 void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
2777 			   enum qed_hw_err_type err_type)
2778 {
2779 	struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2780 	void *cookie = p_hwfn->cdev->ops_cookie;
2781 	const char *err_str;
2782 
2783 	if (err_type > QED_HW_ERR_LAST)
2784 		err_type = QED_HW_ERR_LAST;
2785 	err_str = qed_hw_err_type_descr[err_type];
2786 
2787 	DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);
2788 
2789 	/* Call the HW error handler of the protocol driver.
2790 	 * If it is not available - perform a minimal handling of preventing
2791 	 * HW attentions from being reasserted.
2792 	 */
2793 	if (ops && ops->schedule_hw_err_handler)
2794 		ops->schedule_hw_err_handler(cookie, err_type);
2795 	else
2796 		qed_int_attn_clr_enable(p_hwfn->cdev, true);
2797 }
2798 
2799 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2800 			    void *handle)
2801 {
2802 		return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2803 }
2804 
2805 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2806 {
2807 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2808 	struct qed_ptt *ptt;
2809 	int status = 0;
2810 
2811 	ptt = qed_ptt_acquire(hwfn);
2812 	if (!ptt)
2813 		return -EAGAIN;
2814 
2815 	status = qed_mcp_set_led(hwfn, ptt, mode);
2816 
2817 	qed_ptt_release(hwfn, ptt);
2818 
2819 	return status;
2820 }
2821 
2822 int qed_recovery_process(struct qed_dev *cdev)
2823 {
2824 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2825 	struct qed_ptt *p_ptt;
2826 	int rc = 0;
2827 
2828 	p_ptt = qed_ptt_acquire(p_hwfn);
2829 	if (!p_ptt)
2830 		return -EAGAIN;
2831 
2832 	rc = qed_start_recovery_process(p_hwfn, p_ptt);
2833 
2834 	qed_ptt_release(p_hwfn, p_ptt);
2835 
2836 	return rc;
2837 }
2838 
2839 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2840 {
2841 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2842 	struct qed_ptt *ptt;
2843 	int rc = 0;
2844 
2845 	if (IS_VF(cdev))
2846 		return 0;
2847 
2848 	ptt = qed_ptt_acquire(hwfn);
2849 	if (!ptt)
2850 		return -EAGAIN;
2851 
2852 	rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2853 				   : QED_OV_WOL_DISABLED);
2854 	if (rc)
2855 		goto out;
2856 	rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2857 
2858 out:
2859 	qed_ptt_release(hwfn, ptt);
2860 	return rc;
2861 }
2862 
2863 static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2864 {
2865 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2866 	struct qed_ptt *ptt;
2867 	int status = 0;
2868 
2869 	if (IS_VF(cdev))
2870 		return 0;
2871 
2872 	ptt = qed_ptt_acquire(hwfn);
2873 	if (!ptt)
2874 		return -EAGAIN;
2875 
2876 	status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2877 						QED_OV_DRIVER_STATE_ACTIVE :
2878 						QED_OV_DRIVER_STATE_DISABLED);
2879 
2880 	qed_ptt_release(hwfn, ptt);
2881 
2882 	return status;
2883 }
2884 
2885 static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
2886 {
2887 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2888 	struct qed_ptt *ptt;
2889 	int status = 0;
2890 
2891 	if (IS_VF(cdev))
2892 		return 0;
2893 
2894 	ptt = qed_ptt_acquire(hwfn);
2895 	if (!ptt)
2896 		return -EAGAIN;
2897 
2898 	status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2899 	if (status)
2900 		goto out;
2901 
2902 	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2903 
2904 out:
2905 	qed_ptt_release(hwfn, ptt);
2906 	return status;
2907 }
2908 
2909 static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2910 {
2911 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2912 	struct qed_ptt *ptt;
2913 	int status = 0;
2914 
2915 	if (IS_VF(cdev))
2916 		return 0;
2917 
2918 	ptt = qed_ptt_acquire(hwfn);
2919 	if (!ptt)
2920 		return -EAGAIN;
2921 
2922 	status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2923 	if (status)
2924 		goto out;
2925 
2926 	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2927 
2928 out:
2929 	qed_ptt_release(hwfn, ptt);
2930 	return status;
2931 }
2932 
2933 static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2934 				  u8 dev_addr, u32 offset, u32 len)
2935 {
2936 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2937 	struct qed_ptt *ptt;
2938 	int rc = 0;
2939 
2940 	if (IS_VF(cdev))
2941 		return 0;
2942 
2943 	ptt = qed_ptt_acquire(hwfn);
2944 	if (!ptt)
2945 		return -EAGAIN;
2946 
2947 	rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2948 				  offset, len, buf);
2949 
2950 	qed_ptt_release(hwfn, ptt);
2951 
2952 	return rc;
2953 }
2954 
2955 static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
2956 {
2957 	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2958 	struct qed_ptt *ptt;
2959 	int rc = 0;
2960 
2961 	if (IS_VF(cdev))
2962 		return 0;
2963 
2964 	ptt = qed_ptt_acquire(hwfn);
2965 	if (!ptt)
2966 		return -EAGAIN;
2967 
2968 	rc = qed_dbg_grc_config(hwfn, cfg_id, val);
2969 
2970 	qed_ptt_release(hwfn, ptt);
2971 
2972 	return rc;
2973 }
2974 
2975 static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2976 {
2977 	return QED_AFFIN_HWFN_IDX(cdev);
2978 }
2979 
2980 static struct qed_selftest_ops qed_selftest_ops_pass = {
2981 	.selftest_memory = &qed_selftest_memory,
2982 	.selftest_interrupt = &qed_selftest_interrupt,
2983 	.selftest_register = &qed_selftest_register,
2984 	.selftest_clock = &qed_selftest_clock,
2985 	.selftest_nvram = &qed_selftest_nvram,
2986 };
2987 
2988 const struct qed_common_ops qed_common_ops_pass = {
2989 	.selftest = &qed_selftest_ops_pass,
2990 	.probe = &qed_probe,
2991 	.remove = &qed_remove,
2992 	.set_power_state = &qed_set_power_state,
2993 	.set_name = &qed_set_name,
2994 	.update_pf_params = &qed_update_pf_params,
2995 	.slowpath_start = &qed_slowpath_start,
2996 	.slowpath_stop = &qed_slowpath_stop,
2997 	.set_fp_int = &qed_set_int_fp,
2998 	.get_fp_int = &qed_get_int_fp,
2999 	.sb_init = &qed_sb_init,
3000 	.sb_release = &qed_sb_release,
3001 	.simd_handler_config = &qed_simd_handler_config,
3002 	.simd_handler_clean = &qed_simd_handler_clean,
3003 	.dbg_grc = &qed_dbg_grc,
3004 	.dbg_grc_size = &qed_dbg_grc_size,
3005 	.can_link_change = &qed_can_link_change,
3006 	.set_link = &qed_set_link,
3007 	.get_link = &qed_get_current_link,
3008 	.drain = &qed_drain,
3009 	.update_msglvl = &qed_init_dp,
3010 	.devlink_register = qed_devlink_register,
3011 	.devlink_unregister = qed_devlink_unregister,
3012 	.report_fatal_error = qed_report_fatal_error,
3013 	.dbg_all_data = &qed_dbg_all_data,
3014 	.dbg_all_data_size = &qed_dbg_all_data_size,
3015 	.chain_alloc = &qed_chain_alloc,
3016 	.chain_free = &qed_chain_free,
3017 	.nvm_flash = &qed_nvm_flash,
3018 	.nvm_get_image = &qed_nvm_get_image,
3019 	.set_coalesce = &qed_set_coalesce,
3020 	.set_led = &qed_set_led,
3021 	.recovery_process = &qed_recovery_process,
3022 	.recovery_prolog = &qed_recovery_prolog,
3023 	.attn_clr_enable = &qed_int_attn_clr_enable,
3024 	.update_drv_state = &qed_update_drv_state,
3025 	.update_mac = &qed_update_mac,
3026 	.update_mtu = &qed_update_mtu,
3027 	.update_wol = &qed_update_wol,
3028 	.db_recovery_add = &qed_db_recovery_add,
3029 	.db_recovery_del = &qed_db_recovery_del,
3030 	.read_module_eeprom = &qed_read_module_eeprom,
3031 	.get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
3032 	.read_nvm_cfg = &qed_nvm_flash_cfg_read,
3033 	.read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
3034 	.set_grc_config = &qed_set_grc_config,
3035 };
3036 
3037 void qed_get_protocol_stats(struct qed_dev *cdev,
3038 			    enum qed_mcp_protocol_type type,
3039 			    union qed_mcp_protocol_stats *stats)
3040 {
3041 	struct qed_eth_stats eth_stats;
3042 
3043 	memset(stats, 0, sizeof(*stats));
3044 
3045 	switch (type) {
3046 	case QED_MCP_LAN_STATS:
3047 		qed_get_vport_stats(cdev, &eth_stats);
3048 		stats->lan_stats.ucast_rx_pkts =
3049 					eth_stats.common.rx_ucast_pkts;
3050 		stats->lan_stats.ucast_tx_pkts =
3051 					eth_stats.common.tx_ucast_pkts;
3052 		stats->lan_stats.fcs_err = -1;
3053 		break;
3054 	case QED_MCP_FCOE_STATS:
3055 		qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
3056 		break;
3057 	case QED_MCP_ISCSI_STATS:
3058 		qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
3059 		break;
3060 	default:
3061 		DP_VERBOSE(cdev, QED_MSG_SP,
3062 			   "Invalid protocol type = %d\n", type);
3063 		return;
3064 	}
3065 }
3066 
3067 int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
3068 {
3069 	DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
3070 		   "Scheduling slowpath task [Flag: %d]\n",
3071 		   QED_SLOWPATH_MFW_TLV_REQ);
3072 	smp_mb__before_atomic();
3073 	set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
3074 	smp_mb__after_atomic();
3075 	queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
3076 
3077 	return 0;
3078 }
3079 
3080 static void
3081 qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
3082 {
3083 	struct qed_common_cb_ops *op = cdev->protocol_ops.common;
3084 	struct qed_eth_stats_common *p_common;
3085 	struct qed_generic_tlvs gen_tlvs;
3086 	struct qed_eth_stats stats;
3087 	int i;
3088 
3089 	memset(&gen_tlvs, 0, sizeof(gen_tlvs));
3090 	op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
3091 
3092 	if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
3093 		tlv->flags.ipv4_csum_offload = true;
3094 	if (gen_tlvs.feat_flags & QED_TLV_LSO)
3095 		tlv->flags.lso_supported = true;
3096 	tlv->flags.b_set = true;
3097 
3098 	for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
3099 		if (is_valid_ether_addr(gen_tlvs.mac[i])) {
3100 			ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
3101 			tlv->mac_set[i] = true;
3102 		}
3103 	}
3104 
3105 	qed_get_vport_stats(cdev, &stats);
3106 	p_common = &stats.common;
3107 	tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
3108 			 p_common->rx_bcast_pkts;
3109 	tlv->rx_frames_set = true;
3110 	tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
3111 			p_common->rx_bcast_bytes;
3112 	tlv->rx_bytes_set = true;
3113 	tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
3114 			 p_common->tx_bcast_pkts;
3115 	tlv->tx_frames_set = true;
3116 	tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
3117 			p_common->tx_bcast_bytes;
3118 	tlv->rx_bytes_set = true;
3119 }
3120 
3121 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
3122 			  union qed_mfw_tlv_data *tlv_buf)
3123 {
3124 	struct qed_dev *cdev = hwfn->cdev;
3125 	struct qed_common_cb_ops *ops;
3126 
3127 	ops = cdev->protocol_ops.common;
3128 	if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
3129 		DP_NOTICE(hwfn, "Can't collect TLV management info\n");
3130 		return -EINVAL;
3131 	}
3132 
3133 	switch (type) {
3134 	case QED_MFW_TLV_GENERIC:
3135 		qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
3136 		break;
3137 	case QED_MFW_TLV_ETH:
3138 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
3139 		break;
3140 	case QED_MFW_TLV_FCOE:
3141 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
3142 		break;
3143 	case QED_MFW_TLV_ISCSI:
3144 		ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
3145 		break;
3146 	default:
3147 		break;
3148 	}
3149 
3150 	return 0;
3151 }
3152