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/types.h>
8#include <asm/byteorder.h>
9#include <linux/delay.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <linux/slab.h>
13#include <linux/spinlock.h>
14#include <linux/string.h>
15#include <linux/etherdevice.h>
16#include "qed.h"
17#include "qed_cxt.h"
18#include "qed_dcbx.h"
19#include "qed_hsi.h"
20#include "qed_mfw_hsi.h"
21#include "qed_hw.h"
22#include "qed_mcp.h"
23#include "qed_reg_addr.h"
24#include "qed_sriov.h"
25
26#define GRCBASE_MCP     0xe00000
27
28#define QED_MCP_RESP_ITER_US	10
29
30#define QED_DRV_MB_MAX_RETRIES	(500 * 1000)	/* Account for 5 sec */
31#define QED_MCP_RESET_RETRIES	(50 * 1000)	/* Account for 500 msec */
32
33#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val)	     \
34	qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)), \
35	       _val)
36
37#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
38	qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)))
39
40#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val)  \
41	DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
42		     offsetof(struct public_drv_mb, _field), _val)
43
44#define DRV_MB_RD(_p_hwfn, _p_ptt, _field)	   \
45	DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
46		     offsetof(struct public_drv_mb, _field))
47
48#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
49		  DRV_ID_PDA_COMP_VER_SHIFT)
50
51#define MCP_BYTES_PER_MBIT_SHIFT 17
52
53bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
54{
55	if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
56		return false;
57	return true;
58}
59
60void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
61{
62	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
63					PUBLIC_PORT);
64	u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
65
66	p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
67						   MFW_PORT(p_hwfn));
68	DP_VERBOSE(p_hwfn, QED_MSG_SP,
69		   "port_addr = 0x%x, port_id 0x%02x\n",
70		   p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
71}
72
73void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
74{
75	u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
76	u32 tmp, i;
77
78	if (!p_hwfn->mcp_info->public_base)
79		return;
80
81	for (i = 0; i < length; i++) {
82		tmp = qed_rd(p_hwfn, p_ptt,
83			     p_hwfn->mcp_info->mfw_mb_addr +
84			     (i << 2) + sizeof(u32));
85
86		/* The MB data is actually BE; Need to force it to cpu */
87		((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
88			be32_to_cpu((__force __be32)tmp);
89	}
90}
91
92struct qed_mcp_cmd_elem {
93	struct list_head list;
94	struct qed_mcp_mb_params *p_mb_params;
95	u16 expected_seq_num;
96	bool b_is_completed;
97};
98
99/* Must be called while cmd_lock is acquired */
100static struct qed_mcp_cmd_elem *
101qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
102		     struct qed_mcp_mb_params *p_mb_params,
103		     u16 expected_seq_num)
104{
105	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
106
107	p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
108	if (!p_cmd_elem)
109		goto out;
110
111	p_cmd_elem->p_mb_params = p_mb_params;
112	p_cmd_elem->expected_seq_num = expected_seq_num;
113	list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
114out:
115	return p_cmd_elem;
116}
117
118/* Must be called while cmd_lock is acquired */
119static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
120				 struct qed_mcp_cmd_elem *p_cmd_elem)
121{
122	list_del(&p_cmd_elem->list);
123	kfree(p_cmd_elem);
124}
125
126/* Must be called while cmd_lock is acquired */
127static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
128						     u16 seq_num)
129{
130	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
131
132	list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
133		if (p_cmd_elem->expected_seq_num == seq_num)
134			return p_cmd_elem;
135	}
136
137	return NULL;
138}
139
140int qed_mcp_free(struct qed_hwfn *p_hwfn)
141{
142	if (p_hwfn->mcp_info) {
143		struct qed_mcp_cmd_elem *p_cmd_elem = NULL, *p_tmp;
144
145		kfree(p_hwfn->mcp_info->mfw_mb_cur);
146		kfree(p_hwfn->mcp_info->mfw_mb_shadow);
147
148		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
149		list_for_each_entry_safe(p_cmd_elem,
150					 p_tmp,
151					 &p_hwfn->mcp_info->cmd_list, list) {
152			qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
153		}
154		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
155	}
156
157	kfree(p_hwfn->mcp_info);
158	p_hwfn->mcp_info = NULL;
159
160	return 0;
161}
162
163/* Maximum of 1 sec to wait for the SHMEM ready indication */
164#define QED_MCP_SHMEM_RDY_MAX_RETRIES	20
165#define QED_MCP_SHMEM_RDY_ITER_MS	50
166
167static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
168{
169	struct qed_mcp_info *p_info = p_hwfn->mcp_info;
170	u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
171	u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
172	u32 drv_mb_offsize, mfw_mb_offsize;
173	u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
174
175	p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
176	if (!p_info->public_base) {
177		DP_NOTICE(p_hwfn,
178			  "The address of the MCP scratch-pad is not configured\n");
179		return -EINVAL;
180	}
181
182	p_info->public_base |= GRCBASE_MCP;
183
184	/* Get the MFW MB address and number of supported messages */
185	mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
186				SECTION_OFFSIZE_ADDR(p_info->public_base,
187						     PUBLIC_MFW_MB));
188	p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
189	p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
190					    p_info->mfw_mb_addr +
191					    offsetof(struct public_mfw_mb,
192						     sup_msgs));
193
194	/* The driver can notify that there was an MCP reset, and might read the
195	 * SHMEM values before the MFW has completed initializing them.
196	 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
197	 * data ready indication.
198	 */
199	while (!p_info->mfw_mb_length && --cnt) {
200		msleep(msec);
201		p_info->mfw_mb_length =
202			(u16)qed_rd(p_hwfn, p_ptt,
203				    p_info->mfw_mb_addr +
204				    offsetof(struct public_mfw_mb, sup_msgs));
205	}
206
207	if (!cnt) {
208		DP_NOTICE(p_hwfn,
209			  "Failed to get the SHMEM ready notification after %d msec\n",
210			  QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
211		return -EBUSY;
212	}
213
214	/* Calculate the driver and MFW mailbox address */
215	drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
216				SECTION_OFFSIZE_ADDR(p_info->public_base,
217						     PUBLIC_DRV_MB));
218	p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
219	DP_VERBOSE(p_hwfn, QED_MSG_SP,
220		   "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
221		   drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
222
223	/* Get the current driver mailbox sequence before sending
224	 * the first command
225	 */
226	p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
227			     DRV_MSG_SEQ_NUMBER_MASK;
228
229	/* Get current FW pulse sequence */
230	p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
231				DRV_PULSE_SEQ_MASK;
232
233	p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
234
235	return 0;
236}
237
238int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
239{
240	struct qed_mcp_info *p_info;
241	u32 size;
242
243	/* Allocate mcp_info structure */
244	p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
245	if (!p_hwfn->mcp_info)
246		goto err;
247	p_info = p_hwfn->mcp_info;
248
249	/* Initialize the MFW spinlock */
250	spin_lock_init(&p_info->cmd_lock);
251	spin_lock_init(&p_info->link_lock);
252	spin_lock_init(&p_info->unload_lock);
253
254	INIT_LIST_HEAD(&p_info->cmd_list);
255
256	if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
257		DP_NOTICE(p_hwfn, "MCP is not initialized\n");
258		/* Do not free mcp_info here, since public_base indicate that
259		 * the MCP is not initialized
260		 */
261		return 0;
262	}
263
264	size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
265	p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
266	p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
267	if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
268		goto err;
269
270	return 0;
271
272err:
273	qed_mcp_free(p_hwfn);
274	return -ENOMEM;
275}
276
277static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
278				   struct qed_ptt *p_ptt)
279{
280	u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
281
282	/* Use MCP history register to check if MCP reset occurred between init
283	 * time and now.
284	 */
285	if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
286		DP_VERBOSE(p_hwfn,
287			   QED_MSG_SP,
288			   "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
289			   p_hwfn->mcp_info->mcp_hist, generic_por_0);
290
291		qed_load_mcp_offsets(p_hwfn, p_ptt);
292		qed_mcp_cmd_port_init(p_hwfn, p_ptt);
293	}
294}
295
296int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
297{
298	u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
299	int rc = 0;
300
301	if (p_hwfn->mcp_info->b_block_cmd) {
302		DP_NOTICE(p_hwfn,
303			  "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
304		return -EBUSY;
305	}
306
307	/* Ensure that only a single thread is accessing the mailbox */
308	spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
309
310	org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
311
312	/* Set drv command along with the updated sequence */
313	qed_mcp_reread_offsets(p_hwfn, p_ptt);
314	seq = ++p_hwfn->mcp_info->drv_mb_seq;
315	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
316
317	do {
318		/* Wait for MFW response */
319		udelay(delay);
320		/* Give the FW up to 500 second (50*1000*10usec) */
321	} while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
322					      MISCS_REG_GENERIC_POR_0)) &&
323		 (cnt++ < QED_MCP_RESET_RETRIES));
324
325	if (org_mcp_reset_seq !=
326	    qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
327		DP_VERBOSE(p_hwfn, QED_MSG_SP,
328			   "MCP was reset after %d usec\n", cnt * delay);
329	} else {
330		DP_ERR(p_hwfn, "Failed to reset MCP\n");
331		rc = -EAGAIN;
332	}
333
334	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
335
336	return rc;
337}
338
339/* Must be called while cmd_lock is acquired */
340static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
341{
342	struct qed_mcp_cmd_elem *p_cmd_elem;
343
344	/* There is at most one pending command at a certain time, and if it
345	 * exists - it is placed at the HEAD of the list.
346	 */
347	if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
348		p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
349					      struct qed_mcp_cmd_elem, list);
350		return !p_cmd_elem->b_is_completed;
351	}
352
353	return false;
354}
355
356/* Must be called while cmd_lock is acquired */
357static int
358qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
359{
360	struct qed_mcp_mb_params *p_mb_params;
361	struct qed_mcp_cmd_elem *p_cmd_elem;
362	u32 mcp_resp;
363	u16 seq_num;
364
365	mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
366	seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
367
368	/* Return if no new non-handled response has been received */
369	if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
370		return -EAGAIN;
371
372	p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
373	if (!p_cmd_elem) {
374		DP_ERR(p_hwfn,
375		       "Failed to find a pending mailbox cmd that expects sequence number %d\n",
376		       seq_num);
377		return -EINVAL;
378	}
379
380	p_mb_params = p_cmd_elem->p_mb_params;
381
382	/* Get the MFW response along with the sequence number */
383	p_mb_params->mcp_resp = mcp_resp;
384
385	/* Get the MFW param */
386	p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
387
388	/* Get the union data */
389	if (p_mb_params->p_data_dst && p_mb_params->data_dst_size) {
390		u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
391				      offsetof(struct public_drv_mb,
392					       union_data);
393		qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
394				union_data_addr, p_mb_params->data_dst_size);
395	}
396
397	p_cmd_elem->b_is_completed = true;
398
399	return 0;
400}
401
402/* Must be called while cmd_lock is acquired */
403static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
404				    struct qed_ptt *p_ptt,
405				    struct qed_mcp_mb_params *p_mb_params,
406				    u16 seq_num)
407{
408	union drv_union_data union_data;
409	u32 union_data_addr;
410
411	/* Set the union data */
412	union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
413			  offsetof(struct public_drv_mb, union_data);
414	memset(&union_data, 0, sizeof(union_data));
415	if (p_mb_params->p_data_src && p_mb_params->data_src_size)
416		memcpy(&union_data, p_mb_params->p_data_src,
417		       p_mb_params->data_src_size);
418	qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
419		      sizeof(union_data));
420
421	/* Set the drv param */
422	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
423
424	/* Set the drv command along with the sequence number */
425	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
426
427	DP_VERBOSE(p_hwfn, QED_MSG_SP,
428		   "MFW mailbox: command 0x%08x param 0x%08x\n",
429		   (p_mb_params->cmd | seq_num), p_mb_params->param);
430}
431
432static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
433{
434	p_hwfn->mcp_info->b_block_cmd = block_cmd;
435
436	DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
437		block_cmd ? "Block" : "Unblock");
438}
439
440static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
441				   struct qed_ptt *p_ptt)
442{
443	u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
444	u32 delay = QED_MCP_RESP_ITER_US;
445
446	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
447	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
448	cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
449	udelay(delay);
450	cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
451	udelay(delay);
452	cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
453
454	DP_NOTICE(p_hwfn,
455		  "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
456		  cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
457}
458
459static int
460_qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
461		       struct qed_ptt *p_ptt,
462		       struct qed_mcp_mb_params *p_mb_params,
463		       u32 max_retries, u32 usecs)
464{
465	u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000);
466	struct qed_mcp_cmd_elem *p_cmd_elem;
467	u16 seq_num;
468	int rc = 0;
469
470	/* Wait until the mailbox is non-occupied */
471	do {
472		/* Exit the loop if there is no pending command, or if the
473		 * pending command is completed during this iteration.
474		 * The spinlock stays locked until the command is sent.
475		 */
476
477		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
478
479		if (!qed_mcp_has_pending_cmd(p_hwfn))
480			break;
481
482		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
483		if (!rc)
484			break;
485		else if (rc != -EAGAIN)
486			goto err;
487
488		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
489
490		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
491			msleep(msecs);
492		else
493			udelay(usecs);
494	} while (++cnt < max_retries);
495
496	if (cnt >= max_retries) {
497		DP_NOTICE(p_hwfn,
498			  "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
499			  p_mb_params->cmd, p_mb_params->param);
500		return -EAGAIN;
501	}
502
503	/* Send the mailbox command */
504	qed_mcp_reread_offsets(p_hwfn, p_ptt);
505	seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
506	p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
507	if (!p_cmd_elem) {
508		rc = -ENOMEM;
509		goto err;
510	}
511
512	__qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
513	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
514
515	/* Wait for the MFW response */
516	do {
517		/* Exit the loop if the command is already completed, or if the
518		 * command is completed during this iteration.
519		 * The spinlock stays locked until the list element is removed.
520		 */
521
522		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
523			msleep(msecs);
524		else
525			udelay(usecs);
526
527		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
528
529		if (p_cmd_elem->b_is_completed)
530			break;
531
532		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
533		if (!rc)
534			break;
535		else if (rc != -EAGAIN)
536			goto err;
537
538		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
539	} while (++cnt < max_retries);
540
541	if (cnt >= max_retries) {
542		DP_NOTICE(p_hwfn,
543			  "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
544			  p_mb_params->cmd, p_mb_params->param);
545		qed_mcp_print_cpu_info(p_hwfn, p_ptt);
546
547		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
548		qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
549		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
550
551		if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
552			qed_mcp_cmd_set_blocking(p_hwfn, true);
553
554		qed_hw_err_notify(p_hwfn, p_ptt,
555				  QED_HW_ERR_MFW_RESP_FAIL, NULL);
556		return -EAGAIN;
557	}
558
559	qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
560	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
561
562	DP_VERBOSE(p_hwfn,
563		   QED_MSG_SP,
564		   "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
565		   p_mb_params->mcp_resp,
566		   p_mb_params->mcp_param,
567		   (cnt * usecs) / 1000, (cnt * usecs) % 1000);
568
569	/* Clear the sequence number from the MFW response */
570	p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
571
572	return 0;
573
574err:
575	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
576	return rc;
577}
578
579static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
580				 struct qed_ptt *p_ptt,
581				 struct qed_mcp_mb_params *p_mb_params)
582{
583	size_t union_data_size = sizeof(union drv_union_data);
584	u32 max_retries = QED_DRV_MB_MAX_RETRIES;
585	u32 usecs = QED_MCP_RESP_ITER_US;
586
587	/* MCP not initialized */
588	if (!qed_mcp_is_init(p_hwfn)) {
589		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
590		return -EBUSY;
591	}
592
593	if (p_hwfn->mcp_info->b_block_cmd) {
594		DP_NOTICE(p_hwfn,
595			  "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
596			  p_mb_params->cmd, p_mb_params->param);
597		return -EBUSY;
598	}
599
600	if (p_mb_params->data_src_size > union_data_size ||
601	    p_mb_params->data_dst_size > union_data_size) {
602		DP_ERR(p_hwfn,
603		       "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
604		       p_mb_params->data_src_size,
605		       p_mb_params->data_dst_size, union_data_size);
606		return -EINVAL;
607	}
608
609	if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) {
610		max_retries = DIV_ROUND_UP(max_retries, 1000);
611		usecs *= 1000;
612	}
613
614	return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
615				      usecs);
616}
617
618static int _qed_mcp_cmd(struct qed_hwfn *p_hwfn,
619			struct qed_ptt *p_ptt,
620			u32 cmd,
621			u32 param,
622			u32 *o_mcp_resp,
623			u32 *o_mcp_param,
624			bool can_sleep)
625{
626	struct qed_mcp_mb_params mb_params;
627	int rc;
628
629	memset(&mb_params, 0, sizeof(mb_params));
630	mb_params.cmd = cmd;
631	mb_params.param = param;
632	mb_params.flags = can_sleep ? QED_MB_FLAG_CAN_SLEEP : 0;
633
634	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
635	if (rc)
636		return rc;
637
638	*o_mcp_resp = mb_params.mcp_resp;
639	*o_mcp_param = mb_params.mcp_param;
640
641	return 0;
642}
643
644int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
645		struct qed_ptt *p_ptt,
646		u32 cmd,
647		u32 param,
648		u32 *o_mcp_resp,
649		u32 *o_mcp_param)
650{
651	return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
652			     o_mcp_resp, o_mcp_param, true));
653}
654
655int qed_mcp_cmd_nosleep(struct qed_hwfn *p_hwfn,
656			struct qed_ptt *p_ptt,
657			u32 cmd,
658			u32 param,
659			u32 *o_mcp_resp,
660			u32 *o_mcp_param)
661{
662	return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
663			     o_mcp_resp, o_mcp_param, false));
664}
665
666static int
667qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
668		   struct qed_ptt *p_ptt,
669		   u32 cmd,
670		   u32 param,
671		   u32 *o_mcp_resp,
672		   u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
673{
674	struct qed_mcp_mb_params mb_params;
675	int rc;
676
677	memset(&mb_params, 0, sizeof(mb_params));
678	mb_params.cmd = cmd;
679	mb_params.param = param;
680	mb_params.p_data_src = i_buf;
681	mb_params.data_src_size = (u8)i_txn_size;
682	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
683	if (rc)
684		return rc;
685
686	*o_mcp_resp = mb_params.mcp_resp;
687	*o_mcp_param = mb_params.mcp_param;
688
689	/* nvm_info needs to be updated */
690	p_hwfn->nvm_info.valid = false;
691
692	return 0;
693}
694
695int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
696		       struct qed_ptt *p_ptt,
697		       u32 cmd,
698		       u32 param,
699		       u32 *o_mcp_resp,
700		       u32 *o_mcp_param,
701		       u32 *o_txn_size, u32 *o_buf, bool b_can_sleep)
702{
703	struct qed_mcp_mb_params mb_params;
704	u8 raw_data[MCP_DRV_NVM_BUF_LEN];
705	int rc;
706
707	memset(&mb_params, 0, sizeof(mb_params));
708	mb_params.cmd = cmd;
709	mb_params.param = param;
710	mb_params.p_data_dst = raw_data;
711
712	/* Use the maximal value since the actual one is part of the response */
713	mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
714	if (b_can_sleep)
715		mb_params.flags = QED_MB_FLAG_CAN_SLEEP;
716
717	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
718	if (rc)
719		return rc;
720
721	*o_mcp_resp = mb_params.mcp_resp;
722	*o_mcp_param = mb_params.mcp_param;
723
724	*o_txn_size = *o_mcp_param;
725	memcpy(o_buf, raw_data, *o_txn_size);
726
727	return 0;
728}
729
730static bool
731qed_mcp_can_force_load(u8 drv_role,
732		       u8 exist_drv_role,
733		       enum qed_override_force_load override_force_load)
734{
735	bool can_force_load = false;
736
737	switch (override_force_load) {
738	case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
739		can_force_load = true;
740		break;
741	case QED_OVERRIDE_FORCE_LOAD_NEVER:
742		can_force_load = false;
743		break;
744	default:
745		can_force_load = (drv_role == DRV_ROLE_OS &&
746				  exist_drv_role == DRV_ROLE_PREBOOT) ||
747				 (drv_role == DRV_ROLE_KDUMP &&
748				  exist_drv_role == DRV_ROLE_OS);
749		break;
750	}
751
752	return can_force_load;
753}
754
755static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
756				   struct qed_ptt *p_ptt)
757{
758	u32 resp = 0, param = 0;
759	int rc;
760
761	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
762			 &resp, &param);
763	if (rc)
764		DP_NOTICE(p_hwfn,
765			  "Failed to send cancel load request, rc = %d\n", rc);
766
767	return rc;
768}
769
770#define BITMAP_IDX_FOR_CONFIG_QEDE	BIT(0)
771#define BITMAP_IDX_FOR_CONFIG_QED_SRIOV	BIT(1)
772#define BITMAP_IDX_FOR_CONFIG_QEDR	BIT(2)
773#define BITMAP_IDX_FOR_CONFIG_QEDF	BIT(4)
774#define BITMAP_IDX_FOR_CONFIG_QEDI	BIT(5)
775#define BITMAP_IDX_FOR_CONFIG_QED_LL2	BIT(6)
776
777static u32 qed_get_config_bitmap(void)
778{
779	u32 config_bitmap = 0x0;
780
781	if (IS_ENABLED(CONFIG_QEDE))
782		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDE;
783
784	if (IS_ENABLED(CONFIG_QED_SRIOV))
785		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_SRIOV;
786
787	if (IS_ENABLED(CONFIG_QED_RDMA))
788		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDR;
789
790	if (IS_ENABLED(CONFIG_QED_FCOE))
791		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDF;
792
793	if (IS_ENABLED(CONFIG_QED_ISCSI))
794		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDI;
795
796	if (IS_ENABLED(CONFIG_QED_LL2))
797		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_LL2;
798
799	return config_bitmap;
800}
801
802struct qed_load_req_in_params {
803	u8 hsi_ver;
804#define QED_LOAD_REQ_HSI_VER_DEFAULT	0
805#define QED_LOAD_REQ_HSI_VER_1		1
806	u32 drv_ver_0;
807	u32 drv_ver_1;
808	u32 fw_ver;
809	u8 drv_role;
810	u8 timeout_val;
811	u8 force_cmd;
812	bool avoid_eng_reset;
813};
814
815struct qed_load_req_out_params {
816	u32 load_code;
817	u32 exist_drv_ver_0;
818	u32 exist_drv_ver_1;
819	u32 exist_fw_ver;
820	u8 exist_drv_role;
821	u8 mfw_hsi_ver;
822	bool drv_exists;
823};
824
825static int
826__qed_mcp_load_req(struct qed_hwfn *p_hwfn,
827		   struct qed_ptt *p_ptt,
828		   struct qed_load_req_in_params *p_in_params,
829		   struct qed_load_req_out_params *p_out_params)
830{
831	struct qed_mcp_mb_params mb_params;
832	struct load_req_stc load_req;
833	struct load_rsp_stc load_rsp;
834	u32 hsi_ver;
835	int rc;
836
837	memset(&load_req, 0, sizeof(load_req));
838	load_req.drv_ver_0 = p_in_params->drv_ver_0;
839	load_req.drv_ver_1 = p_in_params->drv_ver_1;
840	load_req.fw_ver = p_in_params->fw_ver;
841	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
842	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
843			  p_in_params->timeout_val);
844	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
845			  p_in_params->force_cmd);
846	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
847			  p_in_params->avoid_eng_reset);
848
849	hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
850		  DRV_ID_MCP_HSI_VER_CURRENT :
851		  (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
852
853	memset(&mb_params, 0, sizeof(mb_params));
854	mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
855	mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
856	mb_params.p_data_src = &load_req;
857	mb_params.data_src_size = sizeof(load_req);
858	mb_params.p_data_dst = &load_rsp;
859	mb_params.data_dst_size = sizeof(load_rsp);
860	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
861
862	DP_VERBOSE(p_hwfn, QED_MSG_SP,
863		   "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
864		   mb_params.param,
865		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
866		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
867		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
868		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
869
870	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
871		DP_VERBOSE(p_hwfn, QED_MSG_SP,
872			   "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n",
873			   load_req.drv_ver_0,
874			   load_req.drv_ver_1,
875			   load_req.fw_ver,
876			   load_req.misc0,
877			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
878			   QED_MFW_GET_FIELD(load_req.misc0,
879					     LOAD_REQ_LOCK_TO),
880			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
881			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
882	}
883
884	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
885	if (rc) {
886		DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
887		return rc;
888	}
889
890	DP_VERBOSE(p_hwfn, QED_MSG_SP,
891		   "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
892	p_out_params->load_code = mb_params.mcp_resp;
893
894	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
895	    p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
896		DP_VERBOSE(p_hwfn,
897			   QED_MSG_SP,
898			   "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n",
899			   load_rsp.drv_ver_0,
900			   load_rsp.drv_ver_1,
901			   load_rsp.fw_ver,
902			   load_rsp.misc0,
903			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
904			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
905			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
906
907		p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
908		p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
909		p_out_params->exist_fw_ver = load_rsp.fw_ver;
910		p_out_params->exist_drv_role =
911		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
912		p_out_params->mfw_hsi_ver =
913		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
914		p_out_params->drv_exists =
915		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
916		    LOAD_RSP_FLAGS0_DRV_EXISTS;
917	}
918
919	return 0;
920}
921
922static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
923				  enum qed_drv_role drv_role,
924				  u8 *p_mfw_drv_role)
925{
926	switch (drv_role) {
927	case QED_DRV_ROLE_OS:
928		*p_mfw_drv_role = DRV_ROLE_OS;
929		break;
930	case QED_DRV_ROLE_KDUMP:
931		*p_mfw_drv_role = DRV_ROLE_KDUMP;
932		break;
933	default:
934		DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
935		return -EINVAL;
936	}
937
938	return 0;
939}
940
941enum qed_load_req_force {
942	QED_LOAD_REQ_FORCE_NONE,
943	QED_LOAD_REQ_FORCE_PF,
944	QED_LOAD_REQ_FORCE_ALL,
945};
946
947static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
948				  enum qed_load_req_force force_cmd,
949				  u8 *p_mfw_force_cmd)
950{
951	switch (force_cmd) {
952	case QED_LOAD_REQ_FORCE_NONE:
953		*p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
954		break;
955	case QED_LOAD_REQ_FORCE_PF:
956		*p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
957		break;
958	case QED_LOAD_REQ_FORCE_ALL:
959		*p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
960		break;
961	}
962}
963
964int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
965		     struct qed_ptt *p_ptt,
966		     struct qed_load_req_params *p_params)
967{
968	struct qed_load_req_out_params out_params;
969	struct qed_load_req_in_params in_params;
970	u8 mfw_drv_role, mfw_force_cmd;
971	int rc;
972
973	memset(&in_params, 0, sizeof(in_params));
974	in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
975	in_params.drv_ver_1 = qed_get_config_bitmap();
976	in_params.fw_ver = STORM_FW_VERSION;
977	rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
978	if (rc)
979		return rc;
980
981	in_params.drv_role = mfw_drv_role;
982	in_params.timeout_val = p_params->timeout_val;
983	qed_get_mfw_force_cmd(p_hwfn,
984			      QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
985
986	in_params.force_cmd = mfw_force_cmd;
987	in_params.avoid_eng_reset = p_params->avoid_eng_reset;
988
989	memset(&out_params, 0, sizeof(out_params));
990	rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
991	if (rc)
992		return rc;
993
994	/* First handle cases where another load request should/might be sent:
995	 * - MFW expects the old interface [HSI version = 1]
996	 * - MFW responds that a force load request is required
997	 */
998	if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
999		DP_INFO(p_hwfn,
1000			"MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
1001
1002		in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
1003		memset(&out_params, 0, sizeof(out_params));
1004		rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
1005		if (rc)
1006			return rc;
1007	} else if (out_params.load_code ==
1008		   FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1009		if (qed_mcp_can_force_load(in_params.drv_role,
1010					   out_params.exist_drv_role,
1011					   p_params->override_force_load)) {
1012			DP_INFO(p_hwfn,
1013				"A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}]\n",
1014				in_params.drv_role, in_params.fw_ver,
1015				in_params.drv_ver_0, in_params.drv_ver_1,
1016				out_params.exist_drv_role,
1017				out_params.exist_fw_ver,
1018				out_params.exist_drv_ver_0,
1019				out_params.exist_drv_ver_1);
1020
1021			qed_get_mfw_force_cmd(p_hwfn,
1022					      QED_LOAD_REQ_FORCE_ALL,
1023					      &mfw_force_cmd);
1024
1025			in_params.force_cmd = mfw_force_cmd;
1026			memset(&out_params, 0, sizeof(out_params));
1027			rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1028						&out_params);
1029			if (rc)
1030				return rc;
1031		} else {
1032			DP_NOTICE(p_hwfn,
1033				  "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}] - Avoid\n",
1034				  in_params.drv_role, in_params.fw_ver,
1035				  in_params.drv_ver_0, in_params.drv_ver_1,
1036				  out_params.exist_drv_role,
1037				  out_params.exist_fw_ver,
1038				  out_params.exist_drv_ver_0,
1039				  out_params.exist_drv_ver_1);
1040			DP_NOTICE(p_hwfn,
1041				  "Avoid sending a force load request to prevent disruption of active PFs\n");
1042
1043			qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1044			return -EBUSY;
1045		}
1046	}
1047
1048	/* Now handle the other types of responses.
1049	 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1050	 * expected here after the additional revised load requests were sent.
1051	 */
1052	switch (out_params.load_code) {
1053	case FW_MSG_CODE_DRV_LOAD_ENGINE:
1054	case FW_MSG_CODE_DRV_LOAD_PORT:
1055	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1056		if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1057		    out_params.drv_exists) {
1058			/* The role and fw/driver version match, but the PF is
1059			 * already loaded and has not been unloaded gracefully.
1060			 */
1061			DP_NOTICE(p_hwfn,
1062				  "PF is already loaded\n");
1063			return -EINVAL;
1064		}
1065		break;
1066	default:
1067		DP_NOTICE(p_hwfn,
1068			  "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1069			  out_params.load_code);
1070		return -EBUSY;
1071	}
1072
1073	p_params->load_code = out_params.load_code;
1074
1075	return 0;
1076}
1077
1078int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1079{
1080	u32 resp = 0, param = 0;
1081	int rc;
1082
1083	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1084			 &param);
1085	if (rc) {
1086		DP_NOTICE(p_hwfn,
1087			  "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1088		return rc;
1089	}
1090
1091	/* Check if there is a DID mismatch between nvm-cfg/efuse */
1092	if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1093		DP_NOTICE(p_hwfn,
1094			  "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1095
1096	return 0;
1097}
1098
1099#define MFW_COMPLETION_MAX_ITER 5000
1100#define MFW_COMPLETION_INTERVAL_MS 1
1101
1102int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1103{
1104	struct qed_mcp_mb_params mb_params;
1105	u32 cnt = MFW_COMPLETION_MAX_ITER;
1106	u32 wol_param;
1107	int rc;
1108
1109	switch (p_hwfn->cdev->wol_config) {
1110	case QED_OV_WOL_DISABLED:
1111		wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1112		break;
1113	case QED_OV_WOL_ENABLED:
1114		wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1115		break;
1116	default:
1117		DP_NOTICE(p_hwfn,
1118			  "Unknown WoL configuration %02x\n",
1119			  p_hwfn->cdev->wol_config);
1120		fallthrough;
1121	case QED_OV_WOL_DEFAULT:
1122		wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1123	}
1124
1125	memset(&mb_params, 0, sizeof(mb_params));
1126	mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1127	mb_params.param = wol_param;
1128	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1129
1130	spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
1131	set_bit(QED_MCP_BYPASS_PROC_BIT,
1132		&p_hwfn->mcp_info->mcp_handling_status);
1133	spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
1134
1135	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1136
1137	while (test_bit(QED_MCP_IN_PROCESSING_BIT,
1138			&p_hwfn->mcp_info->mcp_handling_status) && --cnt)
1139		msleep(MFW_COMPLETION_INTERVAL_MS);
1140
1141	if (!cnt)
1142		DP_NOTICE(p_hwfn,
1143			  "Failed to wait MFW event completion after %d msec\n",
1144			  MFW_COMPLETION_MAX_ITER * MFW_COMPLETION_INTERVAL_MS);
1145
1146	return rc;
1147}
1148
1149int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1150{
1151	struct qed_mcp_mb_params mb_params;
1152	struct mcp_mac wol_mac;
1153
1154	memset(&mb_params, 0, sizeof(mb_params));
1155	mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1156
1157	/* Set the primary MAC if WoL is enabled */
1158	if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1159		u8 *p_mac = p_hwfn->cdev->wol_mac;
1160
1161		memset(&wol_mac, 0, sizeof(wol_mac));
1162		wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1163		wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1164				    p_mac[4] << 8 | p_mac[5];
1165
1166		DP_VERBOSE(p_hwfn,
1167			   (QED_MSG_SP | NETIF_MSG_IFDOWN),
1168			   "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1169			   p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1170
1171		mb_params.p_data_src = &wol_mac;
1172		mb_params.data_src_size = sizeof(wol_mac);
1173	}
1174
1175	return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1176}
1177
1178static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1179				  struct qed_ptt *p_ptt)
1180{
1181	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1182					PUBLIC_PATH);
1183	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1184	u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1185				     QED_PATH_ID(p_hwfn));
1186	u32 disabled_vfs[VF_MAX_STATIC / 32];
1187	int i;
1188
1189	DP_VERBOSE(p_hwfn,
1190		   QED_MSG_SP,
1191		   "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1192		   mfw_path_offsize, path_addr);
1193
1194	for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1195		disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1196					 path_addr +
1197					 offsetof(struct public_path,
1198						  mcp_vf_disabled) +
1199					 sizeof(u32) * i);
1200		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1201			   "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1202			   i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1203	}
1204
1205	if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1206		qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1207}
1208
1209int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1210		       struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1211{
1212	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1213					PUBLIC_FUNC);
1214	u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1215	u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1216				     MCP_PF_ID(p_hwfn));
1217	struct qed_mcp_mb_params mb_params;
1218	int rc;
1219	int i;
1220
1221	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1222		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1223			   "Acking VFs [%08x,...,%08x] - %08x\n",
1224			   i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1225
1226	memset(&mb_params, 0, sizeof(mb_params));
1227	mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1228	mb_params.p_data_src = vfs_to_ack;
1229	mb_params.data_src_size = VF_MAX_STATIC / 8;
1230	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1231	if (rc) {
1232		DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1233		return -EBUSY;
1234	}
1235
1236	/* Clear the ACK bits */
1237	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1238		qed_wr(p_hwfn, p_ptt,
1239		       func_addr +
1240		       offsetof(struct public_func, drv_ack_vf_disabled) +
1241		       i * sizeof(u32), 0);
1242
1243	return rc;
1244}
1245
1246static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1247					      struct qed_ptt *p_ptt)
1248{
1249	u32 transceiver_state;
1250
1251	transceiver_state = qed_rd(p_hwfn, p_ptt,
1252				   p_hwfn->mcp_info->port_addr +
1253				   offsetof(struct public_port,
1254					    transceiver_data));
1255
1256	DP_VERBOSE(p_hwfn,
1257		   (NETIF_MSG_HW | QED_MSG_SP),
1258		   "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1259		   transceiver_state,
1260		   (u32)(p_hwfn->mcp_info->port_addr +
1261			  offsetof(struct public_port, transceiver_data)));
1262
1263	transceiver_state = GET_FIELD(transceiver_state,
1264				      ETH_TRANSCEIVER_STATE);
1265
1266	if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1267		DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1268	else
1269		DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1270}
1271
1272static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1273				    struct qed_ptt *p_ptt,
1274				    struct qed_mcp_link_state *p_link)
1275{
1276	u32 eee_status, val;
1277
1278	p_link->eee_adv_caps = 0;
1279	p_link->eee_lp_adv_caps = 0;
1280	eee_status = qed_rd(p_hwfn,
1281			    p_ptt,
1282			    p_hwfn->mcp_info->port_addr +
1283			    offsetof(struct public_port, eee_status));
1284	p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1285	val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1286	if (val & EEE_1G_ADV)
1287		p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1288	if (val & EEE_10G_ADV)
1289		p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1290	val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1291	if (val & EEE_1G_ADV)
1292		p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1293	if (val & EEE_10G_ADV)
1294		p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1295}
1296
1297static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1298				  struct qed_ptt *p_ptt,
1299				  struct public_func *p_data, int pfid)
1300{
1301	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1302					PUBLIC_FUNC);
1303	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1304	u32 func_addr;
1305	u32 i, size;
1306
1307	func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1308	memset(p_data, 0, sizeof(*p_data));
1309
1310	size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1311	for (i = 0; i < size / sizeof(u32); i++)
1312		((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1313					    func_addr + (i << 2));
1314	return size;
1315}
1316
1317static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1318				  struct public_func *p_shmem_info)
1319{
1320	struct qed_mcp_function_info *p_info;
1321
1322	p_info = &p_hwfn->mcp_info->func_info;
1323
1324	p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1325						  FUNC_MF_CFG_MIN_BW);
1326	if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1327		DP_INFO(p_hwfn,
1328			"bandwidth minimum out of bounds [%02x]. Set to 1\n",
1329			p_info->bandwidth_min);
1330		p_info->bandwidth_min = 1;
1331	}
1332
1333	p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1334						  FUNC_MF_CFG_MAX_BW);
1335	if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1336		DP_INFO(p_hwfn,
1337			"bandwidth maximum out of bounds [%02x]. Set to 100\n",
1338			p_info->bandwidth_max);
1339		p_info->bandwidth_max = 100;
1340	}
1341}
1342
1343static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1344				       struct qed_ptt *p_ptt, bool b_reset)
1345{
1346	struct qed_mcp_link_state *p_link;
1347	u8 max_bw, min_bw;
1348	u32 status = 0;
1349
1350	/* Prevent SW/attentions from doing this at the same time */
1351	spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1352
1353	p_link = &p_hwfn->mcp_info->link_output;
1354	memset(p_link, 0, sizeof(*p_link));
1355	if (!b_reset) {
1356		status = qed_rd(p_hwfn, p_ptt,
1357				p_hwfn->mcp_info->port_addr +
1358				offsetof(struct public_port, link_status));
1359		DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1360			   "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1361			   status,
1362			   (u32)(p_hwfn->mcp_info->port_addr +
1363				 offsetof(struct public_port, link_status)));
1364	} else {
1365		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1366			   "Resetting link indications\n");
1367		goto out;
1368	}
1369
1370	if (p_hwfn->b_drv_link_init) {
1371		/* Link indication with modern MFW arrives as per-PF
1372		 * indication.
1373		 */
1374		if (p_hwfn->mcp_info->capabilities &
1375		    FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1376			struct public_func shmem_info;
1377
1378			qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1379					       MCP_PF_ID(p_hwfn));
1380			p_link->link_up = !!(shmem_info.status &
1381					     FUNC_STATUS_VIRTUAL_LINK_UP);
1382			qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1383			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1384				   "Virtual link_up = %d\n", p_link->link_up);
1385		} else {
1386			p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1387			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1388				   "Physical link_up = %d\n", p_link->link_up);
1389		}
1390	} else {
1391		p_link->link_up = false;
1392	}
1393
1394	p_link->full_duplex = true;
1395	switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1396	case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1397		p_link->speed = 100000;
1398		break;
1399	case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1400		p_link->speed = 50000;
1401		break;
1402	case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1403		p_link->speed = 40000;
1404		break;
1405	case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1406		p_link->speed = 25000;
1407		break;
1408	case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1409		p_link->speed = 20000;
1410		break;
1411	case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1412		p_link->speed = 10000;
1413		break;
1414	case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1415		p_link->full_duplex = false;
1416		fallthrough;
1417	case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1418		p_link->speed = 1000;
1419		break;
1420	default:
1421		p_link->speed = 0;
1422		p_link->link_up = 0;
1423	}
1424
1425	if (p_link->link_up && p_link->speed)
1426		p_link->line_speed = p_link->speed;
1427	else
1428		p_link->line_speed = 0;
1429
1430	max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1431	min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1432
1433	/* Max bandwidth configuration */
1434	__qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1435
1436	/* Min bandwidth configuration */
1437	__qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1438	qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1439					    p_link->min_pf_rate);
1440
1441	p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1442	p_link->an_complete = !!(status &
1443				 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1444	p_link->parallel_detection = !!(status &
1445					LINK_STATUS_PARALLEL_DETECTION_USED);
1446	p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1447
1448	p_link->partner_adv_speed |=
1449		(status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1450		QED_LINK_PARTNER_SPEED_1G_FD : 0;
1451	p_link->partner_adv_speed |=
1452		(status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1453		QED_LINK_PARTNER_SPEED_1G_HD : 0;
1454	p_link->partner_adv_speed |=
1455		(status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1456		QED_LINK_PARTNER_SPEED_10G : 0;
1457	p_link->partner_adv_speed |=
1458		(status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1459		QED_LINK_PARTNER_SPEED_20G : 0;
1460	p_link->partner_adv_speed |=
1461		(status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1462		QED_LINK_PARTNER_SPEED_25G : 0;
1463	p_link->partner_adv_speed |=
1464		(status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1465		QED_LINK_PARTNER_SPEED_40G : 0;
1466	p_link->partner_adv_speed |=
1467		(status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1468		QED_LINK_PARTNER_SPEED_50G : 0;
1469	p_link->partner_adv_speed |=
1470		(status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1471		QED_LINK_PARTNER_SPEED_100G : 0;
1472
1473	p_link->partner_tx_flow_ctrl_en =
1474		!!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1475	p_link->partner_rx_flow_ctrl_en =
1476		!!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1477
1478	switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1479	case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1480		p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1481		break;
1482	case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1483		p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1484		break;
1485	case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1486		p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1487		break;
1488	default:
1489		p_link->partner_adv_pause = 0;
1490	}
1491
1492	p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1493
1494	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1495		qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1496
1497	if (p_hwfn->mcp_info->capabilities &
1498	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1499		switch (status & LINK_STATUS_FEC_MODE_MASK) {
1500		case LINK_STATUS_FEC_MODE_NONE:
1501			p_link->fec_active = QED_FEC_MODE_NONE;
1502			break;
1503		case LINK_STATUS_FEC_MODE_FIRECODE_CL74:
1504			p_link->fec_active = QED_FEC_MODE_FIRECODE;
1505			break;
1506		case LINK_STATUS_FEC_MODE_RS_CL91:
1507			p_link->fec_active = QED_FEC_MODE_RS;
1508			break;
1509		default:
1510			p_link->fec_active = QED_FEC_MODE_AUTO;
1511		}
1512	} else {
1513		p_link->fec_active = QED_FEC_MODE_UNSUPPORTED;
1514	}
1515
1516	qed_link_update(p_hwfn, p_ptt);
1517out:
1518	spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1519}
1520
1521int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1522{
1523	struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1524	struct qed_mcp_mb_params mb_params;
1525	struct eth_phy_cfg phy_cfg;
1526	u32 cmd, fec_bit = 0;
1527	u32 val, ext_speed;
1528	int rc = 0;
1529
1530	/* Set the shmem configuration according to params */
1531	memset(&phy_cfg, 0, sizeof(phy_cfg));
1532	cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1533	if (!params->speed.autoneg)
1534		phy_cfg.speed = params->speed.forced_speed;
1535	phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1536	phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1537	phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1538	phy_cfg.adv_speed = params->speed.advertised_speeds;
1539	phy_cfg.loopback_mode = params->loopback_mode;
1540
1541	/* There are MFWs that share this capability regardless of whether
1542	 * this is feasible or not. And given that at the very least adv_caps
1543	 * would be set internally by qed, we want to make sure LFA would
1544	 * still work.
1545	 */
1546	if ((p_hwfn->mcp_info->capabilities &
1547	     FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1548		phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1549		if (params->eee.tx_lpi_enable)
1550			phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1551		if (params->eee.adv_caps & QED_EEE_1G_ADV)
1552			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1553		if (params->eee.adv_caps & QED_EEE_10G_ADV)
1554			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1555		phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1556				    EEE_TX_TIMER_USEC_OFFSET) &
1557				   EEE_TX_TIMER_USEC_MASK;
1558	}
1559
1560	if (p_hwfn->mcp_info->capabilities &
1561	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1562		if (params->fec & QED_FEC_MODE_NONE)
1563			fec_bit |= FEC_FORCE_MODE_NONE;
1564		else if (params->fec & QED_FEC_MODE_FIRECODE)
1565			fec_bit |= FEC_FORCE_MODE_FIRECODE;
1566		else if (params->fec & QED_FEC_MODE_RS)
1567			fec_bit |= FEC_FORCE_MODE_RS;
1568		else if (params->fec & QED_FEC_MODE_AUTO)
1569			fec_bit |= FEC_FORCE_MODE_AUTO;
1570
1571		SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit);
1572	}
1573
1574	if (p_hwfn->mcp_info->capabilities &
1575	    FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
1576		ext_speed = 0;
1577		if (params->ext_speed.autoneg)
1578			ext_speed |= ETH_EXT_SPEED_NONE;
1579
1580		val = params->ext_speed.forced_speed;
1581		if (val & QED_EXT_SPEED_1G)
1582			ext_speed |= ETH_EXT_SPEED_1G;
1583		if (val & QED_EXT_SPEED_10G)
1584			ext_speed |= ETH_EXT_SPEED_10G;
1585		if (val & QED_EXT_SPEED_25G)
1586			ext_speed |= ETH_EXT_SPEED_25G;
1587		if (val & QED_EXT_SPEED_40G)
1588			ext_speed |= ETH_EXT_SPEED_40G;
1589		if (val & QED_EXT_SPEED_50G_R)
1590			ext_speed |= ETH_EXT_SPEED_50G_BASE_R;
1591		if (val & QED_EXT_SPEED_50G_R2)
1592			ext_speed |= ETH_EXT_SPEED_50G_BASE_R2;
1593		if (val & QED_EXT_SPEED_100G_R2)
1594			ext_speed |= ETH_EXT_SPEED_100G_BASE_R2;
1595		if (val & QED_EXT_SPEED_100G_R4)
1596			ext_speed |= ETH_EXT_SPEED_100G_BASE_R4;
1597		if (val & QED_EXT_SPEED_100G_P4)
1598			ext_speed |= ETH_EXT_SPEED_100G_BASE_P4;
1599
1600		SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED,
1601			      ext_speed);
1602
1603		ext_speed = 0;
1604
1605		val = params->ext_speed.advertised_speeds;
1606		if (val & QED_EXT_SPEED_MASK_1G)
1607			ext_speed |= ETH_EXT_ADV_SPEED_1G;
1608		if (val & QED_EXT_SPEED_MASK_10G)
1609			ext_speed |= ETH_EXT_ADV_SPEED_10G;
1610		if (val & QED_EXT_SPEED_MASK_25G)
1611			ext_speed |= ETH_EXT_ADV_SPEED_25G;
1612		if (val & QED_EXT_SPEED_MASK_40G)
1613			ext_speed |= ETH_EXT_ADV_SPEED_40G;
1614		if (val & QED_EXT_SPEED_MASK_50G_R)
1615			ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R;
1616		if (val & QED_EXT_SPEED_MASK_50G_R2)
1617			ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2;
1618		if (val & QED_EXT_SPEED_MASK_100G_R2)
1619			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2;
1620		if (val & QED_EXT_SPEED_MASK_100G_R4)
1621			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4;
1622		if (val & QED_EXT_SPEED_MASK_100G_P4)
1623			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4;
1624
1625		phy_cfg.extended_speed |= ext_speed;
1626
1627		SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE,
1628			      params->ext_fec_mode);
1629	}
1630
1631	p_hwfn->b_drv_link_init = b_up;
1632
1633	if (b_up) {
1634		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1635			   "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n",
1636			   phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed,
1637			   phy_cfg.loopback_mode, phy_cfg.fec_mode,
1638			   phy_cfg.extended_speed);
1639	} else {
1640		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n");
1641	}
1642
1643	memset(&mb_params, 0, sizeof(mb_params));
1644	mb_params.cmd = cmd;
1645	mb_params.p_data_src = &phy_cfg;
1646	mb_params.data_src_size = sizeof(phy_cfg);
1647	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1648
1649	/* if mcp fails to respond we must abort */
1650	if (rc) {
1651		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1652		return rc;
1653	}
1654
1655	/* Mimic link-change attention, done for several reasons:
1656	 *  - On reset, there's no guarantee MFW would trigger
1657	 *    an attention.
1658	 *  - On initialization, older MFWs might not indicate link change
1659	 *    during LFA, so we'll never get an UP indication.
1660	 */
1661	qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1662
1663	return 0;
1664}
1665
1666u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1667				 struct qed_ptt *p_ptt)
1668{
1669	u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1670
1671	if (IS_VF(p_hwfn->cdev))
1672		return -EINVAL;
1673
1674	path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1675						 PUBLIC_PATH);
1676	path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1677	path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1678
1679	proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1680			       path_addr +
1681			       offsetof(struct public_path, process_kill)) &
1682			PROCESS_KILL_COUNTER_MASK;
1683
1684	return proc_kill_cnt;
1685}
1686
1687static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1688					struct qed_ptt *p_ptt)
1689{
1690	struct qed_dev *cdev = p_hwfn->cdev;
1691	u32 proc_kill_cnt;
1692
1693	/* Prevent possible attentions/interrupts during the recovery handling
1694	 * and till its load phase, during which they will be re-enabled.
1695	 */
1696	qed_int_igu_disable_int(p_hwfn, p_ptt);
1697
1698	DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1699
1700	/* The following operations should be done once, and thus in CMT mode
1701	 * are carried out by only the first HW function.
1702	 */
1703	if (p_hwfn != QED_LEADING_HWFN(cdev))
1704		return;
1705
1706	if (cdev->recov_in_prog) {
1707		DP_NOTICE(p_hwfn,
1708			  "Ignoring the indication since a recovery process is already in progress\n");
1709		return;
1710	}
1711
1712	cdev->recov_in_prog = true;
1713
1714	proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1715	DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1716
1717	qed_schedule_recovery_handler(p_hwfn);
1718}
1719
1720static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1721					struct qed_ptt *p_ptt,
1722					enum MFW_DRV_MSG_TYPE type)
1723{
1724	enum qed_mcp_protocol_type stats_type;
1725	union qed_mcp_protocol_stats stats;
1726	struct qed_mcp_mb_params mb_params;
1727	u32 hsi_param;
1728
1729	switch (type) {
1730	case MFW_DRV_MSG_GET_LAN_STATS:
1731		stats_type = QED_MCP_LAN_STATS;
1732		hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1733		break;
1734	case MFW_DRV_MSG_GET_FCOE_STATS:
1735		stats_type = QED_MCP_FCOE_STATS;
1736		hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1737		break;
1738	case MFW_DRV_MSG_GET_ISCSI_STATS:
1739		stats_type = QED_MCP_ISCSI_STATS;
1740		hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1741		break;
1742	case MFW_DRV_MSG_GET_RDMA_STATS:
1743		stats_type = QED_MCP_RDMA_STATS;
1744		hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1745		break;
1746	default:
1747		DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1748		return;
1749	}
1750
1751	qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1752
1753	memset(&mb_params, 0, sizeof(mb_params));
1754	mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1755	mb_params.param = hsi_param;
1756	mb_params.p_data_src = &stats;
1757	mb_params.data_src_size = sizeof(stats);
1758	qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1759}
1760
1761static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1762{
1763	struct qed_mcp_function_info *p_info;
1764	struct public_func shmem_info;
1765	u32 resp = 0, param = 0;
1766
1767	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1768
1769	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1770
1771	p_info = &p_hwfn->mcp_info->func_info;
1772
1773	qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1774	qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1775
1776	/* Acknowledge the MFW */
1777	qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1778			    &param);
1779}
1780
1781static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1782{
1783	struct public_func shmem_info;
1784	u32 resp = 0, param = 0;
1785
1786	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1787
1788	p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1789						 FUNC_MF_CFG_OV_STAG_MASK;
1790	p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1791	if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1792		if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1793			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1794			       p_hwfn->hw_info.ovlan);
1795			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1796
1797			/* Configure DB to add external vlan to EDPM packets */
1798			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1799			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1800			       p_hwfn->hw_info.ovlan);
1801		} else {
1802			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1803			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1804			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1805			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1806		}
1807
1808		qed_sp_pf_update_stag(p_hwfn);
1809	}
1810
1811	DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1812		   p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1813
1814	/* Acknowledge the MFW */
1815	qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1816			    &resp, &param);
1817}
1818
1819static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
1820				       struct qed_ptt *p_ptt)
1821{
1822	/* A single notification should be sent to upper driver in CMT mode */
1823	if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1824		return;
1825
1826	qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
1827			  "Fan failure was detected on the network interface card and it's going to be shut down.\n");
1828}
1829
1830struct qed_mdump_cmd_params {
1831	u32 cmd;
1832	void *p_data_src;
1833	u8 data_src_size;
1834	void *p_data_dst;
1835	u8 data_dst_size;
1836	u32 mcp_resp;
1837};
1838
1839static int
1840qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
1841		  struct qed_ptt *p_ptt,
1842		  struct qed_mdump_cmd_params *p_mdump_cmd_params)
1843{
1844	struct qed_mcp_mb_params mb_params;
1845	int rc;
1846
1847	memset(&mb_params, 0, sizeof(mb_params));
1848	mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
1849	mb_params.param = p_mdump_cmd_params->cmd;
1850	mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
1851	mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
1852	mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
1853	mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
1854	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1855	if (rc)
1856		return rc;
1857
1858	p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
1859
1860	if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
1861		DP_INFO(p_hwfn,
1862			"The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
1863			p_mdump_cmd_params->cmd);
1864		rc = -EOPNOTSUPP;
1865	} else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
1866		DP_INFO(p_hwfn,
1867			"The mdump command is not supported by the MFW\n");
1868		rc = -EOPNOTSUPP;
1869	}
1870
1871	return rc;
1872}
1873
1874static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1875{
1876	struct qed_mdump_cmd_params mdump_cmd_params;
1877
1878	memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1879	mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
1880
1881	return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1882}
1883
1884int
1885qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1886			 struct qed_ptt *p_ptt,
1887			 struct mdump_retain_data_stc *p_mdump_retain)
1888{
1889	struct qed_mdump_cmd_params mdump_cmd_params;
1890	int rc;
1891
1892	memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1893	mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
1894	mdump_cmd_params.p_data_dst = p_mdump_retain;
1895	mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
1896
1897	rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1898	if (rc)
1899		return rc;
1900
1901	if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
1902		DP_INFO(p_hwfn,
1903			"Failed to get the mdump retained data [mcp_resp 0x%x]\n",
1904			mdump_cmd_params.mcp_resp);
1905		return -EINVAL;
1906	}
1907
1908	return 0;
1909}
1910
1911static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
1912					  struct qed_ptt *p_ptt)
1913{
1914	struct mdump_retain_data_stc mdump_retain;
1915	int rc;
1916
1917	/* In CMT mode - no need for more than a single acknowledgment to the
1918	 * MFW, and no more than a single notification to the upper driver.
1919	 */
1920	if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1921		return;
1922
1923	rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
1924	if (rc == 0 && mdump_retain.valid)
1925		DP_NOTICE(p_hwfn,
1926			  "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
1927			  mdump_retain.epoch,
1928			  mdump_retain.pf, mdump_retain.status);
1929	else
1930		DP_NOTICE(p_hwfn,
1931			  "The MFW notified that a critical error occurred in the device\n");
1932
1933	DP_NOTICE(p_hwfn,
1934		  "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
1935	qed_mcp_mdump_ack(p_hwfn, p_ptt);
1936
1937	qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
1938}
1939
1940void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1941{
1942	struct public_func shmem_info;
1943	u32 port_cfg, val;
1944
1945	if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1946		return;
1947
1948	memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1949	port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1950			  offsetof(struct public_port, oem_cfg_port));
1951	val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1952		OEM_CFG_CHANNEL_TYPE_OFFSET;
1953	if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1954		DP_NOTICE(p_hwfn,
1955			  "Incorrect UFP Channel type  %d port_id 0x%02x\n",
1956			  val, MFW_PORT(p_hwfn));
1957
1958	val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1959	if (val == OEM_CFG_SCHED_TYPE_ETS) {
1960		p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1961	} else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1962		p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1963	} else {
1964		p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1965		DP_NOTICE(p_hwfn,
1966			  "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1967			  val, MFW_PORT(p_hwfn));
1968	}
1969
1970	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1971	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1972		OEM_CFG_FUNC_TC_OFFSET;
1973	p_hwfn->ufp_info.tc = (u8)val;
1974	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1975		OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1976	if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1977		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1978	} else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1979		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1980	} else {
1981		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1982		DP_NOTICE(p_hwfn,
1983			  "Unknown Host priority control %d port_id 0x%02x\n",
1984			  val, MFW_PORT(p_hwfn));
1985	}
1986
1987	DP_NOTICE(p_hwfn,
1988		  "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1989		  p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1990		  p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1991}
1992
1993static int
1994qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1995{
1996	qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1997
1998	if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1999		p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
2000		qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
2001					   p_hwfn->ufp_info.tc);
2002
2003		qed_qm_reconf(p_hwfn, p_ptt);
2004	} else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
2005		/* Merge UFP TC with the dcbx TC data */
2006		qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2007					  QED_DCBX_OPERATIONAL_MIB);
2008	} else {
2009		DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
2010		return -EINVAL;
2011	}
2012
2013	/* update storm FW with negotiation results */
2014	qed_sp_pf_update_ufp(p_hwfn);
2015
2016	/* update stag pcp value */
2017	qed_sp_pf_update_stag(p_hwfn);
2018
2019	return 0;
2020}
2021
2022int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
2023			  struct qed_ptt *p_ptt)
2024{
2025	struct qed_mcp_info *info = p_hwfn->mcp_info;
2026	int rc = 0;
2027	bool found = false;
2028	u16 i;
2029
2030	DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
2031
2032	/* Read Messages from MFW */
2033	qed_mcp_read_mb(p_hwfn, p_ptt);
2034
2035	/* Compare current messages to old ones */
2036	for (i = 0; i < info->mfw_mb_length; i++) {
2037		if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
2038			continue;
2039
2040		found = true;
2041
2042		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
2043			   "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
2044			   i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
2045
2046		spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
2047		if (test_bit(QED_MCP_BYPASS_PROC_BIT,
2048			     &p_hwfn->mcp_info->mcp_handling_status)) {
2049			spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2050			DP_INFO(p_hwfn,
2051				"Msg [%d] is bypassed on unload flow\n", i);
2052			continue;
2053		}
2054
2055		set_bit(QED_MCP_IN_PROCESSING_BIT,
2056			&p_hwfn->mcp_info->mcp_handling_status);
2057		spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2058
2059		switch (i) {
2060		case MFW_DRV_MSG_LINK_CHANGE:
2061			qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
2062			break;
2063		case MFW_DRV_MSG_VF_DISABLED:
2064			qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
2065			break;
2066		case MFW_DRV_MSG_LLDP_DATA_UPDATED:
2067			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2068						  QED_DCBX_REMOTE_LLDP_MIB);
2069			break;
2070		case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
2071			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2072						  QED_DCBX_REMOTE_MIB);
2073			break;
2074		case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
2075			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2076						  QED_DCBX_OPERATIONAL_MIB);
2077			break;
2078		case MFW_DRV_MSG_OEM_CFG_UPDATE:
2079			qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
2080			break;
2081		case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
2082			qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
2083			break;
2084		case MFW_DRV_MSG_ERROR_RECOVERY:
2085			qed_mcp_handle_process_kill(p_hwfn, p_ptt);
2086			break;
2087		case MFW_DRV_MSG_GET_LAN_STATS:
2088		case MFW_DRV_MSG_GET_FCOE_STATS:
2089		case MFW_DRV_MSG_GET_ISCSI_STATS:
2090		case MFW_DRV_MSG_GET_RDMA_STATS:
2091			qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
2092			break;
2093		case MFW_DRV_MSG_BW_UPDATE:
2094			qed_mcp_update_bw(p_hwfn, p_ptt);
2095			break;
2096		case MFW_DRV_MSG_S_TAG_UPDATE:
2097			qed_mcp_update_stag(p_hwfn, p_ptt);
2098			break;
2099		case MFW_DRV_MSG_FAILURE_DETECTED:
2100			qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
2101			break;
2102		case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
2103			qed_mcp_handle_critical_error(p_hwfn, p_ptt);
2104			break;
2105		case MFW_DRV_MSG_GET_TLV_REQ:
2106			qed_mfw_tlv_req(p_hwfn);
2107			break;
2108		default:
2109			DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
2110			rc = -EINVAL;
2111		}
2112
2113		clear_bit(QED_MCP_IN_PROCESSING_BIT,
2114			  &p_hwfn->mcp_info->mcp_handling_status);
2115	}
2116
2117	/* ACK everything */
2118	for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
2119		__be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
2120
2121		/* MFW expect answer in BE, so we force write in that format */
2122		qed_wr(p_hwfn, p_ptt,
2123		       info->mfw_mb_addr + sizeof(u32) +
2124		       MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
2125		       sizeof(u32) + i * sizeof(u32),
2126		       (__force u32)val);
2127	}
2128
2129	if (!found) {
2130		DP_NOTICE(p_hwfn,
2131			  "Received an MFW message indication but no new message!\n");
2132		rc = -EINVAL;
2133	}
2134
2135	/* Copy the new mfw messages into the shadow */
2136	memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
2137
2138	return rc;
2139}
2140
2141int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
2142			struct qed_ptt *p_ptt,
2143			u32 *p_mfw_ver, u32 *p_running_bundle_id)
2144{
2145	u32 global_offsize, public_base;
2146
2147	if (IS_VF(p_hwfn->cdev)) {
2148		if (p_hwfn->vf_iov_info) {
2149			struct pfvf_acquire_resp_tlv *p_resp;
2150
2151			p_resp = &p_hwfn->vf_iov_info->acquire_resp;
2152			*p_mfw_ver = p_resp->pfdev_info.mfw_ver;
2153			return 0;
2154		} else {
2155			DP_VERBOSE(p_hwfn,
2156				   QED_MSG_IOV,
2157				   "VF requested MFW version prior to ACQUIRE\n");
2158			return -EINVAL;
2159		}
2160	}
2161
2162	public_base = p_hwfn->mcp_info->public_base;
2163	global_offsize = qed_rd(p_hwfn, p_ptt,
2164				SECTION_OFFSIZE_ADDR(public_base,
2165						     PUBLIC_GLOBAL));
2166	*p_mfw_ver =
2167	    qed_rd(p_hwfn, p_ptt,
2168		   SECTION_ADDR(global_offsize,
2169				0) + offsetof(struct public_global, mfw_ver));
2170
2171	if (p_running_bundle_id) {
2172		*p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
2173					      SECTION_ADDR(global_offsize, 0) +
2174					      offsetof(struct public_global,
2175						       running_bundle_id));
2176	}
2177
2178	return 0;
2179}
2180
2181int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
2182			struct qed_ptt *p_ptt, u32 *p_mbi_ver)
2183{
2184	u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
2185
2186	if (IS_VF(p_hwfn->cdev))
2187		return -EINVAL;
2188
2189	/* Read the address of the nvm_cfg */
2190	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2191	if (!nvm_cfg_addr) {
2192		DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2193		return -EINVAL;
2194	}
2195
2196	/* Read the offset of nvm_cfg1 */
2197	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2198
2199	mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2200		       offsetof(struct nvm_cfg1, glob) +
2201		       offsetof(struct nvm_cfg1_glob, mbi_version);
2202	*p_mbi_ver = qed_rd(p_hwfn, p_ptt,
2203			    mbi_ver_addr) &
2204		     (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
2205		      NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
2206		      NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
2207
2208	return 0;
2209}
2210
2211int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
2212			   struct qed_ptt *p_ptt, u32 *p_media_type)
2213{
2214	*p_media_type = MEDIA_UNSPECIFIED;
2215
2216	if (IS_VF(p_hwfn->cdev))
2217		return -EINVAL;
2218
2219	if (!qed_mcp_is_init(p_hwfn)) {
2220		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2221		return -EBUSY;
2222	}
2223
2224	if (!p_ptt) {
2225		*p_media_type = MEDIA_UNSPECIFIED;
2226		return -EINVAL;
2227	}
2228
2229	*p_media_type = qed_rd(p_hwfn, p_ptt,
2230			       p_hwfn->mcp_info->port_addr +
2231			       offsetof(struct public_port,
2232					media_type));
2233
2234	return 0;
2235}
2236
2237int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
2238				 struct qed_ptt *p_ptt,
2239				 u32 *p_transceiver_state,
2240				 u32 *p_transceiver_type)
2241{
2242	u32 transceiver_info;
2243
2244	*p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
2245	*p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
2246
2247	if (IS_VF(p_hwfn->cdev))
2248		return -EINVAL;
2249
2250	if (!qed_mcp_is_init(p_hwfn)) {
2251		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2252		return -EBUSY;
2253	}
2254
2255	transceiver_info = qed_rd(p_hwfn, p_ptt,
2256				  p_hwfn->mcp_info->port_addr +
2257				  offsetof(struct public_port,
2258					   transceiver_data));
2259
2260	*p_transceiver_state = (transceiver_info &
2261				ETH_TRANSCEIVER_STATE_MASK) >>
2262				ETH_TRANSCEIVER_STATE_OFFSET;
2263
2264	if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2265		*p_transceiver_type = (transceiver_info &
2266				       ETH_TRANSCEIVER_TYPE_MASK) >>
2267				       ETH_TRANSCEIVER_TYPE_OFFSET;
2268	else
2269		*p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2270
2271	return 0;
2272}
2273
2274static bool qed_is_transceiver_ready(u32 transceiver_state,
2275				     u32 transceiver_type)
2276{
2277	if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2278	    ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2279	    (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2280		return true;
2281
2282	return false;
2283}
2284
2285int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2286			     struct qed_ptt *p_ptt, u32 *p_speed_mask)
2287{
2288	u32 transceiver_type, transceiver_state;
2289	int ret;
2290
2291	ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2292					   &transceiver_type);
2293	if (ret)
2294		return ret;
2295
2296	if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2297				     false)
2298		return -EINVAL;
2299
2300	switch (transceiver_type) {
2301	case ETH_TRANSCEIVER_TYPE_1G_LX:
2302	case ETH_TRANSCEIVER_TYPE_1G_SX:
2303	case ETH_TRANSCEIVER_TYPE_1G_PCC:
2304	case ETH_TRANSCEIVER_TYPE_1G_ACC:
2305	case ETH_TRANSCEIVER_TYPE_1000BASET:
2306		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2307		break;
2308	case ETH_TRANSCEIVER_TYPE_10G_SR:
2309	case ETH_TRANSCEIVER_TYPE_10G_LR:
2310	case ETH_TRANSCEIVER_TYPE_10G_LRM:
2311	case ETH_TRANSCEIVER_TYPE_10G_ER:
2312	case ETH_TRANSCEIVER_TYPE_10G_PCC:
2313	case ETH_TRANSCEIVER_TYPE_10G_ACC:
2314	case ETH_TRANSCEIVER_TYPE_4x10G:
2315		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2316		break;
2317	case ETH_TRANSCEIVER_TYPE_40G_LR4:
2318	case ETH_TRANSCEIVER_TYPE_40G_SR4:
2319	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2320	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2321		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2322		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2323		break;
2324	case ETH_TRANSCEIVER_TYPE_100G_AOC:
2325	case ETH_TRANSCEIVER_TYPE_100G_SR4:
2326	case ETH_TRANSCEIVER_TYPE_100G_LR4:
2327	case ETH_TRANSCEIVER_TYPE_100G_ER4:
2328	case ETH_TRANSCEIVER_TYPE_100G_ACC:
2329		*p_speed_mask =
2330		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2331		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2332		break;
2333	case ETH_TRANSCEIVER_TYPE_25G_SR:
2334	case ETH_TRANSCEIVER_TYPE_25G_LR:
2335	case ETH_TRANSCEIVER_TYPE_25G_AOC:
2336	case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2337	case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2338	case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2339		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2340		break;
2341	case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2342	case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2343	case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2344	case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2345		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2346		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2347		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2348		break;
2349	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2350	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
2351		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2352				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2353		break;
2354	case ETH_TRANSCEIVER_TYPE_40G_CR4:
2355	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2356		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2357		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2358		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2359		break;
2360	case ETH_TRANSCEIVER_TYPE_100G_CR4:
2361	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2362		*p_speed_mask =
2363		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2364		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2365		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2366		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2367		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2368		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2369		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2370		break;
2371	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2372	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2373	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2374		*p_speed_mask =
2375		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2376		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2377		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2378		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2379		break;
2380	case ETH_TRANSCEIVER_TYPE_XLPPI:
2381		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2382		break;
2383	case ETH_TRANSCEIVER_TYPE_10G_BASET:
2384	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
2385	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
2386		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2387				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2388		break;
2389	default:
2390		DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2391			transceiver_type);
2392		*p_speed_mask = 0xff;
2393		break;
2394	}
2395
2396	return 0;
2397}
2398
2399int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2400			     struct qed_ptt *p_ptt, u32 *p_board_config)
2401{
2402	u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2403
2404	if (IS_VF(p_hwfn->cdev))
2405		return -EINVAL;
2406
2407	if (!qed_mcp_is_init(p_hwfn)) {
2408		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2409		return -EBUSY;
2410	}
2411	if (!p_ptt) {
2412		*p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2413		return -EINVAL;
2414	}
2415
2416	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2417	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2418	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2419			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2420	*p_board_config = qed_rd(p_hwfn, p_ptt,
2421				 port_cfg_addr +
2422				 offsetof(struct nvm_cfg1_port,
2423					  board_cfg));
2424
2425	return 0;
2426}
2427
2428/* Old MFW has a global configuration for all PFs regarding RDMA support */
2429static void
2430qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2431			       enum qed_pci_personality *p_proto)
2432{
2433	/* There wasn't ever a legacy MFW that published iwarp.
2434	 * So at this point, this is either plain l2 or RoCE.
2435	 */
2436	if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2437		*p_proto = QED_PCI_ETH_ROCE;
2438	else
2439		*p_proto = QED_PCI_ETH;
2440
2441	DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2442		   "According to Legacy capabilities, L2 personality is %08x\n",
2443		   (u32)*p_proto);
2444}
2445
2446static int
2447qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2448			    struct qed_ptt *p_ptt,
2449			    enum qed_pci_personality *p_proto)
2450{
2451	u32 resp = 0, param = 0;
2452	int rc;
2453
2454	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2455			 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, &param);
2456	if (rc)
2457		return rc;
2458	if (resp != FW_MSG_CODE_OK) {
2459		DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2460			   "MFW lacks support for command; Returns %08x\n",
2461			   resp);
2462		return -EINVAL;
2463	}
2464
2465	switch (param) {
2466	case FW_MB_PARAM_GET_PF_RDMA_NONE:
2467		*p_proto = QED_PCI_ETH;
2468		break;
2469	case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2470		*p_proto = QED_PCI_ETH_ROCE;
2471		break;
2472	case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2473		*p_proto = QED_PCI_ETH_IWARP;
2474		break;
2475	case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2476		*p_proto = QED_PCI_ETH_RDMA;
2477		break;
2478	default:
2479		DP_NOTICE(p_hwfn,
2480			  "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2481			  param);
2482		return -EINVAL;
2483	}
2484
2485	DP_VERBOSE(p_hwfn,
2486		   NETIF_MSG_IFUP,
2487		   "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2488		   (u32)*p_proto, resp, param);
2489	return 0;
2490}
2491
2492static int
2493qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2494			struct public_func *p_info,
2495			struct qed_ptt *p_ptt,
2496			enum qed_pci_personality *p_proto)
2497{
2498	int rc = 0;
2499
2500	switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2501	case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2502		if (!IS_ENABLED(CONFIG_QED_RDMA))
2503			*p_proto = QED_PCI_ETH;
2504		else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2505			qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2506		break;
2507	case FUNC_MF_CFG_PROTOCOL_ISCSI:
2508		*p_proto = QED_PCI_ISCSI;
2509		break;
2510	case FUNC_MF_CFG_PROTOCOL_FCOE:
2511		*p_proto = QED_PCI_FCOE;
2512		break;
2513	case FUNC_MF_CFG_PROTOCOL_ROCE:
2514		DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2515		fallthrough;
2516	default:
2517		rc = -EINVAL;
2518	}
2519
2520	return rc;
2521}
2522
2523int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2524				 struct qed_ptt *p_ptt)
2525{
2526	struct qed_mcp_function_info *info;
2527	struct public_func shmem_info;
2528
2529	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2530	info = &p_hwfn->mcp_info->func_info;
2531
2532	info->pause_on_host = (shmem_info.config &
2533			       FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2534
2535	if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2536				    &info->protocol)) {
2537		DP_ERR(p_hwfn, "Unknown personality %08x\n",
2538		       (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2539		return -EINVAL;
2540	}
2541
2542	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2543
2544	if (shmem_info.mac_upper || shmem_info.mac_lower) {
2545		info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2546		info->mac[1] = (u8)(shmem_info.mac_upper);
2547		info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2548		info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2549		info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2550		info->mac[5] = (u8)(shmem_info.mac_lower);
2551
2552		/* Store primary MAC for later possible WoL */
2553		memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2554	} else {
2555		DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2556	}
2557
2558	info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2559			 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2560	info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2561			 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2562
2563	info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2564
2565	info->mtu = (u16)shmem_info.mtu_size;
2566
2567	p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2568	p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2569	if (qed_mcp_is_init(p_hwfn)) {
2570		u32 resp = 0, param = 0;
2571		int rc;
2572
2573		rc = qed_mcp_cmd(p_hwfn, p_ptt,
2574				 DRV_MSG_CODE_OS_WOL, 0, &resp, &param);
2575		if (rc)
2576			return rc;
2577		if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2578			p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2579	}
2580
2581	DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2582		   "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn port %llx node %llx ovlan %04x wol %02x\n",
2583		info->pause_on_host, info->protocol,
2584		info->bandwidth_min, info->bandwidth_max,
2585		info->mac,
2586		info->wwn_port, info->wwn_node,
2587		info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2588
2589	return 0;
2590}
2591
2592struct qed_mcp_link_params
2593*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2594{
2595	if (!p_hwfn || !p_hwfn->mcp_info)
2596		return NULL;
2597	return &p_hwfn->mcp_info->link_input;
2598}
2599
2600struct qed_mcp_link_state
2601*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2602{
2603	if (!p_hwfn || !p_hwfn->mcp_info)
2604		return NULL;
2605	return &p_hwfn->mcp_info->link_output;
2606}
2607
2608struct qed_mcp_link_capabilities
2609*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2610{
2611	if (!p_hwfn || !p_hwfn->mcp_info)
2612		return NULL;
2613	return &p_hwfn->mcp_info->link_capabilities;
2614}
2615
2616int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2617{
2618	u32 resp = 0, param = 0;
2619	int rc;
2620
2621	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2622			 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
2623
2624	/* Wait for the drain to complete before returning */
2625	msleep(1020);
2626
2627	return rc;
2628}
2629
2630int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2631			   struct qed_ptt *p_ptt, u32 *p_flash_size)
2632{
2633	u32 flash_size;
2634
2635	if (IS_VF(p_hwfn->cdev))
2636		return -EINVAL;
2637
2638	flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2639	flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2640		      MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2641	flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2642
2643	*p_flash_size = flash_size;
2644
2645	return 0;
2646}
2647
2648int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2649{
2650	struct qed_dev *cdev = p_hwfn->cdev;
2651
2652	if (cdev->recov_in_prog) {
2653		DP_NOTICE(p_hwfn,
2654			  "Avoid triggering a recovery since such a process is already in progress\n");
2655		return -EAGAIN;
2656	}
2657
2658	DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2659	qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2660
2661	return 0;
2662}
2663
2664#define QED_RECOVERY_PROLOG_SLEEP_MS    100
2665
2666int qed_recovery_prolog(struct qed_dev *cdev)
2667{
2668	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2669	struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2670	int rc;
2671
2672	/* Allow ongoing PCIe transactions to complete */
2673	msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2674
2675	/* Clear the PF's internal FID_enable in the PXP */
2676	rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2677	if (rc)
2678		DP_NOTICE(p_hwfn,
2679			  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2680			  rc);
2681
2682	return rc;
2683}
2684
2685static int
2686qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2687			  struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2688{
2689	u32 resp = 0, param = 0, rc_param = 0;
2690	int rc;
2691
2692	/* Only Leader can configure MSIX, and need to take CMT into account */
2693	if (!IS_LEAD_HWFN(p_hwfn))
2694		return 0;
2695	num *= p_hwfn->cdev->num_hwfns;
2696
2697	param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2698		 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2699	param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2700		 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2701
2702	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2703			 &resp, &rc_param);
2704
2705	if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2706		DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2707		rc = -EINVAL;
2708	} else {
2709		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2710			   "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2711			   num, vf_id);
2712	}
2713
2714	return rc;
2715}
2716
2717static int
2718qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2719			  struct qed_ptt *p_ptt, u8 num)
2720{
2721	u32 resp = 0, param = num, rc_param = 0;
2722	int rc;
2723
2724	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2725			 param, &resp, &rc_param);
2726
2727	if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2728		DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2729		rc = -EINVAL;
2730	} else {
2731		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2732			   "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2733	}
2734
2735	return rc;
2736}
2737
2738int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2739			   struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2740{
2741	if (QED_IS_BB(p_hwfn->cdev))
2742		return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2743	else
2744		return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2745}
2746
2747int
2748qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2749			 struct qed_ptt *p_ptt,
2750			 struct qed_mcp_drv_version *p_ver)
2751{
2752	struct qed_mcp_mb_params mb_params;
2753	struct drv_version_stc drv_version;
2754	__be32 val;
2755	u32 i;
2756	int rc;
2757
2758	memset(&drv_version, 0, sizeof(drv_version));
2759	drv_version.version = p_ver->version;
2760	for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2761		val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2762		*(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2763	}
2764
2765	memset(&mb_params, 0, sizeof(mb_params));
2766	mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2767	mb_params.p_data_src = &drv_version;
2768	mb_params.data_src_size = sizeof(drv_version);
2769	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2770	if (rc)
2771		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2772
2773	return rc;
2774}
2775
2776/* A maximal 100 msec waiting time for the MCP to halt */
2777#define QED_MCP_HALT_SLEEP_MS		10
2778#define QED_MCP_HALT_MAX_RETRIES	10
2779
2780int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2781{
2782	u32 resp = 0, param = 0, cpu_state, cnt = 0;
2783	int rc;
2784
2785	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2786			 &param);
2787	if (rc) {
2788		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2789		return rc;
2790	}
2791
2792	do {
2793		msleep(QED_MCP_HALT_SLEEP_MS);
2794		cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2795		if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2796			break;
2797	} while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2798
2799	if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2800		DP_NOTICE(p_hwfn,
2801			  "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2802			  qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2803		return -EBUSY;
2804	}
2805
2806	qed_mcp_cmd_set_blocking(p_hwfn, true);
2807
2808	return 0;
2809}
2810
2811#define QED_MCP_RESUME_SLEEP_MS	10
2812
2813int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2814{
2815	u32 cpu_mode, cpu_state;
2816
2817	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2818
2819	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2820	cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2821	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2822	msleep(QED_MCP_RESUME_SLEEP_MS);
2823	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2824
2825	if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2826		DP_NOTICE(p_hwfn,
2827			  "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2828			  cpu_mode, cpu_state);
2829		return -EBUSY;
2830	}
2831
2832	qed_mcp_cmd_set_blocking(p_hwfn, false);
2833
2834	return 0;
2835}
2836
2837int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2838				     struct qed_ptt *p_ptt,
2839				     enum qed_ov_client client)
2840{
2841	u32 resp = 0, param = 0;
2842	u32 drv_mb_param;
2843	int rc;
2844
2845	switch (client) {
2846	case QED_OV_CLIENT_DRV:
2847		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2848		break;
2849	case QED_OV_CLIENT_USER:
2850		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2851		break;
2852	case QED_OV_CLIENT_VENDOR_SPEC:
2853		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2854		break;
2855	default:
2856		DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2857		return -EINVAL;
2858	}
2859
2860	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2861			 drv_mb_param, &resp, &param);
2862	if (rc)
2863		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2864
2865	return rc;
2866}
2867
2868int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2869				   struct qed_ptt *p_ptt,
2870				   enum qed_ov_driver_state drv_state)
2871{
2872	u32 resp = 0, param = 0;
2873	u32 drv_mb_param;
2874	int rc;
2875
2876	switch (drv_state) {
2877	case QED_OV_DRIVER_STATE_NOT_LOADED:
2878		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2879		break;
2880	case QED_OV_DRIVER_STATE_DISABLED:
2881		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2882		break;
2883	case QED_OV_DRIVER_STATE_ACTIVE:
2884		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2885		break;
2886	default:
2887		DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2888		return -EINVAL;
2889	}
2890
2891	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2892			 drv_mb_param, &resp, &param);
2893	if (rc)
2894		DP_ERR(p_hwfn, "Failed to send driver state\n");
2895
2896	return rc;
2897}
2898
2899int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2900			  struct qed_ptt *p_ptt, u16 mtu)
2901{
2902	u32 resp = 0, param = 0;
2903	u32 drv_mb_param;
2904	int rc;
2905
2906	drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2907	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2908			 drv_mb_param, &resp, &param);
2909	if (rc)
2910		DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2911
2912	return rc;
2913}
2914
2915int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2916			  struct qed_ptt *p_ptt, const u8 *mac)
2917{
2918	struct qed_mcp_mb_params mb_params;
2919	u32 mfw_mac[2];
2920	int rc;
2921
2922	memset(&mb_params, 0, sizeof(mb_params));
2923	mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2924	mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2925			  DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2926	mb_params.param |= MCP_PF_ID(p_hwfn);
2927
2928	/* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2929	 * in 32-bit granularity.
2930	 * So the MAC has to be set in native order [and not byte order],
2931	 * otherwise it would be read incorrectly by MFW after swap.
2932	 */
2933	mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2934	mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2935
2936	mb_params.p_data_src = (u8 *)mfw_mac;
2937	mb_params.data_src_size = 8;
2938	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2939	if (rc)
2940		DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2941
2942	/* Store primary MAC for later possible WoL */
2943	memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2944
2945	return rc;
2946}
2947
2948int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2949			  struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2950{
2951	u32 resp = 0, param = 0;
2952	u32 drv_mb_param;
2953	int rc;
2954
2955	if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2956		DP_VERBOSE(p_hwfn, QED_MSG_SP,
2957			   "Can't change WoL configuration when WoL isn't supported\n");
2958		return -EINVAL;
2959	}
2960
2961	switch (wol) {
2962	case QED_OV_WOL_DEFAULT:
2963		drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2964		break;
2965	case QED_OV_WOL_DISABLED:
2966		drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2967		break;
2968	case QED_OV_WOL_ENABLED:
2969		drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2970		break;
2971	default:
2972		DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2973		return -EINVAL;
2974	}
2975
2976	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2977			 drv_mb_param, &resp, &param);
2978	if (rc)
2979		DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2980
2981	/* Store the WoL update for a future unload */
2982	p_hwfn->cdev->wol_config = (u8)wol;
2983
2984	return rc;
2985}
2986
2987int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2988			      struct qed_ptt *p_ptt,
2989			      enum qed_ov_eswitch eswitch)
2990{
2991	u32 resp = 0, param = 0;
2992	u32 drv_mb_param;
2993	int rc;
2994
2995	switch (eswitch) {
2996	case QED_OV_ESWITCH_NONE:
2997		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2998		break;
2999	case QED_OV_ESWITCH_VEB:
3000		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
3001		break;
3002	case QED_OV_ESWITCH_VEPA:
3003		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
3004		break;
3005	default:
3006		DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
3007		return -EINVAL;
3008	}
3009
3010	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
3011			 drv_mb_param, &resp, &param);
3012	if (rc)
3013		DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
3014
3015	return rc;
3016}
3017
3018int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
3019		    struct qed_ptt *p_ptt, enum qed_led_mode mode)
3020{
3021	u32 resp = 0, param = 0, drv_mb_param;
3022	int rc;
3023
3024	switch (mode) {
3025	case QED_LED_MODE_ON:
3026		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
3027		break;
3028	case QED_LED_MODE_OFF:
3029		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
3030		break;
3031	case QED_LED_MODE_RESTORE:
3032		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
3033		break;
3034	default:
3035		DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
3036		return -EINVAL;
3037	}
3038
3039	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
3040			 drv_mb_param, &resp, &param);
3041
3042	return rc;
3043}
3044
3045int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
3046			  struct qed_ptt *p_ptt, u32 mask_parities)
3047{
3048	u32 resp = 0, param = 0;
3049	int rc;
3050
3051	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
3052			 mask_parities, &resp, &param);
3053
3054	if (rc) {
3055		DP_ERR(p_hwfn,
3056		       "MCP response failure for mask parities, aborting\n");
3057	} else if (resp != FW_MSG_CODE_OK) {
3058		DP_ERR(p_hwfn,
3059		       "MCP did not acknowledge mask parity request. Old MFW?\n");
3060		rc = -EINVAL;
3061	}
3062
3063	return rc;
3064}
3065
3066int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
3067{
3068	u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
3069	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3070	u32 resp = 0, resp_param = 0;
3071	struct qed_ptt *p_ptt;
3072	int rc = 0;
3073
3074	p_ptt = qed_ptt_acquire(p_hwfn);
3075	if (!p_ptt)
3076		return -EBUSY;
3077
3078	while (bytes_left > 0) {
3079		bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
3080
3081		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3082					DRV_MSG_CODE_NVM_READ_NVRAM,
3083					addr + offset +
3084					(bytes_to_copy <<
3085					 DRV_MB_PARAM_NVM_LEN_OFFSET),
3086					&resp, &resp_param,
3087					&read_len,
3088					(u32 *)(p_buf + offset), false);
3089
3090		if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
3091			DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
3092			break;
3093		}
3094
3095		/* This can be a lengthy process, and it's possible scheduler
3096		 * isn't preemptible. Sleep a bit to prevent CPU hogging.
3097		 */
3098		if (bytes_left % 0x1000 <
3099		    (bytes_left - read_len) % 0x1000)
3100			usleep_range(1000, 2000);
3101
3102		offset += read_len;
3103		bytes_left -= read_len;
3104	}
3105
3106	cdev->mcp_nvm_resp = resp;
3107	qed_ptt_release(p_hwfn, p_ptt);
3108
3109	return rc;
3110}
3111
3112int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
3113{
3114	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3115	struct qed_ptt *p_ptt;
3116
3117	p_ptt = qed_ptt_acquire(p_hwfn);
3118	if (!p_ptt)
3119		return -EBUSY;
3120
3121	memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
3122	qed_ptt_release(p_hwfn, p_ptt);
3123
3124	return 0;
3125}
3126
3127int qed_mcp_nvm_write(struct qed_dev *cdev,
3128		      u32 cmd, u32 addr, u8 *p_buf, u32 len)
3129{
3130	u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
3131	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3132	struct qed_ptt *p_ptt;
3133	int rc = -EINVAL;
3134
3135	p_ptt = qed_ptt_acquire(p_hwfn);
3136	if (!p_ptt)
3137		return -EBUSY;
3138
3139	switch (cmd) {
3140	case QED_PUT_FILE_BEGIN:
3141		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
3142		break;
3143	case QED_PUT_FILE_DATA:
3144		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
3145		break;
3146	case QED_NVM_WRITE_NVRAM:
3147		nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
3148		break;
3149	default:
3150		DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
3151		rc = -EINVAL;
3152		goto out;
3153	}
3154
3155	buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
3156	while (buf_idx < len) {
3157		if (cmd == QED_PUT_FILE_BEGIN)
3158			nvm_offset = addr;
3159		else
3160			nvm_offset = ((buf_size <<
3161				       DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
3162				       buf_idx;
3163		rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
3164					&resp, &param, buf_size,
3165					(u32 *)&p_buf[buf_idx]);
3166		if (rc) {
3167			DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
3168			resp = FW_MSG_CODE_ERROR;
3169			break;
3170		}
3171
3172		if (resp != FW_MSG_CODE_OK &&
3173		    resp != FW_MSG_CODE_NVM_OK &&
3174		    resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
3175			DP_NOTICE(cdev,
3176				  "nvm write failed, resp = 0x%08x\n", resp);
3177			rc = -EINVAL;
3178			break;
3179		}
3180
3181		/* This can be a lengthy process, and it's possible scheduler
3182		 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
3183		 */
3184		if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
3185			usleep_range(1000, 2000);
3186
3187		/* For MBI upgrade, MFW response includes the next buffer offset
3188		 * to be delivered to MFW.
3189		 */
3190		if (param && cmd == QED_PUT_FILE_DATA) {
3191			buf_idx =
3192			QED_MFW_GET_FIELD(param,
3193					  FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
3194			buf_size =
3195			QED_MFW_GET_FIELD(param,
3196					  FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
3197		} else {
3198			buf_idx += buf_size;
3199			buf_size = min_t(u32, (len - buf_idx),
3200					 MCP_DRV_NVM_BUF_LEN);
3201		}
3202	}
3203
3204	cdev->mcp_nvm_resp = resp;
3205out:
3206	qed_ptt_release(p_hwfn, p_ptt);
3207
3208	return rc;
3209}
3210
3211int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3212			 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
3213{
3214	u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
3215	u32 resp, param;
3216	int rc;
3217
3218	nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
3219		       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
3220	nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
3221		       DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
3222
3223	addr = offset;
3224	offset = 0;
3225	bytes_left = len;
3226	while (bytes_left > 0) {
3227		bytes_to_copy = min_t(u32, bytes_left,
3228				      MAX_I2C_TRANSACTION_SIZE);
3229		nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
3230			       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
3231		nvm_offset |= ((addr + offset) <<
3232			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
3233			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
3234		nvm_offset |= (bytes_to_copy <<
3235			       DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
3236			       DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
3237		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3238					DRV_MSG_CODE_TRANSCEIVER_READ,
3239					nvm_offset, &resp, &param, &buf_size,
3240					(u32 *)(p_buf + offset), true);
3241		if (rc) {
3242			DP_NOTICE(p_hwfn,
3243				  "Failed to send a transceiver read command to the MFW. rc = %d.\n",
3244				  rc);
3245			return rc;
3246		}
3247
3248		if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
3249			return -ENODEV;
3250		else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
3251			return -EINVAL;
3252
3253		offset += buf_size;
3254		bytes_left -= buf_size;
3255	}
3256
3257	return 0;
3258}
3259
3260int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3261{
3262	u32 drv_mb_param = 0, rsp, param;
3263	int rc = 0;
3264
3265	drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3266			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3267
3268	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3269			 drv_mb_param, &rsp, &param);
3270
3271	if (rc)
3272		return rc;
3273
3274	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3275	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3276		rc = -EAGAIN;
3277
3278	return rc;
3279}
3280
3281int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3282{
3283	u32 drv_mb_param, rsp, param;
3284	int rc = 0;
3285
3286	drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3287			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3288
3289	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3290			 drv_mb_param, &rsp, &param);
3291
3292	if (rc)
3293		return rc;
3294
3295	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3296	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3297		rc = -EAGAIN;
3298
3299	return rc;
3300}
3301
3302int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3303				    struct qed_ptt *p_ptt,
3304				    u32 *num_images)
3305{
3306	u32 drv_mb_param = 0, rsp;
3307	int rc = 0;
3308
3309	drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3310			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3311
3312	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3313			 drv_mb_param, &rsp, num_images);
3314	if (rc)
3315		return rc;
3316
3317	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3318		rc = -EINVAL;
3319
3320	return rc;
3321}
3322
3323int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3324				   struct qed_ptt *p_ptt,
3325				   struct bist_nvm_image_att *p_image_att,
3326				   u32 image_index)
3327{
3328	u32 buf_size = 0, param, resp = 0, resp_param = 0;
3329	int rc;
3330
3331	param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3332		DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3333	param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3334
3335	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3336				DRV_MSG_CODE_BIST_TEST, param,
3337				&resp, &resp_param,
3338				&buf_size,
3339				(u32 *)p_image_att, false);
3340	if (rc)
3341		return rc;
3342
3343	if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3344	    (p_image_att->return_code != 1))
3345		rc = -EINVAL;
3346
3347	return rc;
3348}
3349
3350int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3351{
3352	struct qed_nvm_image_info nvm_info;
3353	struct qed_ptt *p_ptt;
3354	int rc;
3355	u32 i;
3356
3357	if (p_hwfn->nvm_info.valid)
3358		return 0;
3359
3360	p_ptt = qed_ptt_acquire(p_hwfn);
3361	if (!p_ptt) {
3362		DP_ERR(p_hwfn, "failed to acquire ptt\n");
3363		return -EBUSY;
3364	}
3365
3366	/* Acquire from MFW the amount of available images */
3367	nvm_info.num_images = 0;
3368	rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3369					     p_ptt, &nvm_info.num_images);
3370	if (rc == -EOPNOTSUPP) {
3371		DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3372		goto out;
3373	} else if (rc || !nvm_info.num_images) {
3374		DP_ERR(p_hwfn, "Failed getting number of images\n");
3375		goto err0;
3376	}
3377
3378	nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3379					   sizeof(struct bist_nvm_image_att),
3380					   GFP_KERNEL);
3381	if (!nvm_info.image_att) {
3382		rc = -ENOMEM;
3383		goto err0;
3384	}
3385
3386	/* Iterate over images and get their attributes */
3387	for (i = 0; i < nvm_info.num_images; i++) {
3388		rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3389						    &nvm_info.image_att[i], i);
3390		if (rc) {
3391			DP_ERR(p_hwfn,
3392			       "Failed getting image index %d attributes\n", i);
3393			goto err1;
3394		}
3395
3396		DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3397			   nvm_info.image_att[i].len);
3398	}
3399out:
3400	/* Update hwfn's nvm_info */
3401	if (nvm_info.num_images) {
3402		p_hwfn->nvm_info.num_images = nvm_info.num_images;
3403		kfree(p_hwfn->nvm_info.image_att);
3404		p_hwfn->nvm_info.image_att = nvm_info.image_att;
3405		p_hwfn->nvm_info.valid = true;
3406	}
3407
3408	qed_ptt_release(p_hwfn, p_ptt);
3409	return 0;
3410
3411err1:
3412	kfree(nvm_info.image_att);
3413err0:
3414	qed_ptt_release(p_hwfn, p_ptt);
3415	return rc;
3416}
3417
3418void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
3419{
3420	kfree(p_hwfn->nvm_info.image_att);
3421	p_hwfn->nvm_info.image_att = NULL;
3422	p_hwfn->nvm_info.valid = false;
3423}
3424
3425int
3426qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3427			  enum qed_nvm_images image_id,
3428			  struct qed_nvm_image_att *p_image_att)
3429{
3430	enum nvm_image_type type;
3431	int rc;
3432	u32 i;
3433
3434	/* Translate image_id into MFW definitions */
3435	switch (image_id) {
3436	case QED_NVM_IMAGE_ISCSI_CFG:
3437		type = NVM_TYPE_ISCSI_CFG;
3438		break;
3439	case QED_NVM_IMAGE_FCOE_CFG:
3440		type = NVM_TYPE_FCOE_CFG;
3441		break;
3442	case QED_NVM_IMAGE_MDUMP:
3443		type = NVM_TYPE_MDUMP;
3444		break;
3445	case QED_NVM_IMAGE_NVM_CFG1:
3446		type = NVM_TYPE_NVM_CFG1;
3447		break;
3448	case QED_NVM_IMAGE_DEFAULT_CFG:
3449		type = NVM_TYPE_DEFAULT_CFG;
3450		break;
3451	case QED_NVM_IMAGE_NVM_META:
3452		type = NVM_TYPE_NVM_META;
3453		break;
3454	default:
3455		DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3456			  image_id);
3457		return -EINVAL;
3458	}
3459
3460	rc = qed_mcp_nvm_info_populate(p_hwfn);
3461	if (rc)
3462		return rc;
3463
3464	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3465		if (type == p_hwfn->nvm_info.image_att[i].image_type)
3466			break;
3467	if (i == p_hwfn->nvm_info.num_images) {
3468		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3469			   "Failed to find nvram image of type %08x\n",
3470			   image_id);
3471		return -ENOENT;
3472	}
3473
3474	p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3475	p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3476
3477	return 0;
3478}
3479
3480int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3481			  enum qed_nvm_images image_id,
3482			  u8 *p_buffer, u32 buffer_len)
3483{
3484	struct qed_nvm_image_att image_att;
3485	int rc;
3486
3487	memset(p_buffer, 0, buffer_len);
3488
3489	rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3490	if (rc)
3491		return rc;
3492
3493	/* Validate sizes - both the image's and the supplied buffer's */
3494	if (image_att.length <= 4) {
3495		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3496			   "Image [%d] is too small - only %d bytes\n",
3497			   image_id, image_att.length);
3498		return -EINVAL;
3499	}
3500
3501	if (image_att.length > buffer_len) {
3502		DP_VERBOSE(p_hwfn,
3503			   QED_MSG_STORAGE,
3504			   "Image [%d] is too big - %08x bytes where only %08x are available\n",
3505			   image_id, image_att.length, buffer_len);
3506		return -ENOMEM;
3507	}
3508
3509	return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3510				p_buffer, image_att.length);
3511}
3512
3513static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3514{
3515	enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3516
3517	switch (res_id) {
3518	case QED_SB:
3519		mfw_res_id = RESOURCE_NUM_SB_E;
3520		break;
3521	case QED_L2_QUEUE:
3522		mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3523		break;
3524	case QED_VPORT:
3525		mfw_res_id = RESOURCE_NUM_VPORT_E;
3526		break;
3527	case QED_RSS_ENG:
3528		mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3529		break;
3530	case QED_PQ:
3531		mfw_res_id = RESOURCE_NUM_PQ_E;
3532		break;
3533	case QED_RL:
3534		mfw_res_id = RESOURCE_NUM_RL_E;
3535		break;
3536	case QED_MAC:
3537	case QED_VLAN:
3538		/* Each VFC resource can accommodate both a MAC and a VLAN */
3539		mfw_res_id = RESOURCE_VFC_FILTER_E;
3540		break;
3541	case QED_ILT:
3542		mfw_res_id = RESOURCE_ILT_E;
3543		break;
3544	case QED_LL2_RAM_QUEUE:
3545		mfw_res_id = RESOURCE_LL2_QUEUE_E;
3546		break;
3547	case QED_LL2_CTX_QUEUE:
3548		mfw_res_id = RESOURCE_LL2_CQS_E;
3549		break;
3550	case QED_RDMA_CNQ_RAM:
3551	case QED_CMDQS_CQS:
3552		/* CNQ/CMDQS are the same resource */
3553		mfw_res_id = RESOURCE_CQS_E;
3554		break;
3555	case QED_RDMA_STATS_QUEUE:
3556		mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3557		break;
3558	case QED_BDQ:
3559		mfw_res_id = RESOURCE_BDQ_E;
3560		break;
3561	default:
3562		break;
3563	}
3564
3565	return mfw_res_id;
3566}
3567
3568#define QED_RESC_ALLOC_VERSION_MAJOR    2
3569#define QED_RESC_ALLOC_VERSION_MINOR    0
3570#define QED_RESC_ALLOC_VERSION				     \
3571	((QED_RESC_ALLOC_VERSION_MAJOR <<		     \
3572	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3573	 (QED_RESC_ALLOC_VERSION_MINOR <<		     \
3574	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3575
3576struct qed_resc_alloc_in_params {
3577	u32 cmd;
3578	enum qed_resources res_id;
3579	u32 resc_max_val;
3580};
3581
3582struct qed_resc_alloc_out_params {
3583	u32 mcp_resp;
3584	u32 mcp_param;
3585	u32 resc_num;
3586	u32 resc_start;
3587	u32 vf_resc_num;
3588	u32 vf_resc_start;
3589	u32 flags;
3590};
3591
3592static int
3593qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3594			    struct qed_ptt *p_ptt,
3595			    struct qed_resc_alloc_in_params *p_in_params,
3596			    struct qed_resc_alloc_out_params *p_out_params)
3597{
3598	struct qed_mcp_mb_params mb_params;
3599	struct resource_info mfw_resc_info;
3600	int rc;
3601
3602	memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3603
3604	mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3605	if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3606		DP_ERR(p_hwfn,
3607		       "Failed to match resource %d [%s] with the MFW resources\n",
3608		       p_in_params->res_id,
3609		       qed_hw_get_resc_name(p_in_params->res_id));
3610		return -EINVAL;
3611	}
3612
3613	switch (p_in_params->cmd) {
3614	case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3615		mfw_resc_info.size = p_in_params->resc_max_val;
3616		fallthrough;
3617	case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3618		break;
3619	default:
3620		DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3621		       p_in_params->cmd);
3622		return -EINVAL;
3623	}
3624
3625	memset(&mb_params, 0, sizeof(mb_params));
3626	mb_params.cmd = p_in_params->cmd;
3627	mb_params.param = QED_RESC_ALLOC_VERSION;
3628	mb_params.p_data_src = &mfw_resc_info;
3629	mb_params.data_src_size = sizeof(mfw_resc_info);
3630	mb_params.p_data_dst = mb_params.p_data_src;
3631	mb_params.data_dst_size = mb_params.data_src_size;
3632
3633	DP_VERBOSE(p_hwfn,
3634		   QED_MSG_SP,
3635		   "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3636		   p_in_params->cmd,
3637		   p_in_params->res_id,
3638		   qed_hw_get_resc_name(p_in_params->res_id),
3639		   QED_MFW_GET_FIELD(mb_params.param,
3640				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3641		   QED_MFW_GET_FIELD(mb_params.param,
3642				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3643		   p_in_params->resc_max_val);
3644
3645	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3646	if (rc)
3647		return rc;
3648
3649	p_out_params->mcp_resp = mb_params.mcp_resp;
3650	p_out_params->mcp_param = mb_params.mcp_param;
3651	p_out_params->resc_num = mfw_resc_info.size;
3652	p_out_params->resc_start = mfw_resc_info.offset;
3653	p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3654	p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3655	p_out_params->flags = mfw_resc_info.flags;
3656
3657	DP_VERBOSE(p_hwfn,
3658		   QED_MSG_SP,
3659		   "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_start 0x%x, flags 0x%08x\n",
3660		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3661				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3662		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3663				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3664		   p_out_params->resc_num,
3665		   p_out_params->resc_start,
3666		   p_out_params->vf_resc_num,
3667		   p_out_params->vf_resc_start, p_out_params->flags);
3668
3669	return 0;
3670}
3671
3672int
3673qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3674			 struct qed_ptt *p_ptt,
3675			 enum qed_resources res_id,
3676			 u32 resc_max_val, u32 *p_mcp_resp)
3677{
3678	struct qed_resc_alloc_out_params out_params;
3679	struct qed_resc_alloc_in_params in_params;
3680	int rc;
3681
3682	memset(&in_params, 0, sizeof(in_params));
3683	in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3684	in_params.res_id = res_id;
3685	in_params.resc_max_val = resc_max_val;
3686	memset(&out_params, 0, sizeof(out_params));
3687	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3688					 &out_params);
3689	if (rc)
3690		return rc;
3691
3692	*p_mcp_resp = out_params.mcp_resp;
3693
3694	return 0;
3695}
3696
3697int
3698qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3699		      struct qed_ptt *p_ptt,
3700		      enum qed_resources res_id,
3701		      u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3702{
3703	struct qed_resc_alloc_out_params out_params;
3704	struct qed_resc_alloc_in_params in_params;
3705	int rc;
3706
3707	memset(&in_params, 0, sizeof(in_params));
3708	in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3709	in_params.res_id = res_id;
3710	memset(&out_params, 0, sizeof(out_params));
3711	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3712					 &out_params);
3713	if (rc)
3714		return rc;
3715
3716	*p_mcp_resp = out_params.mcp_resp;
3717
3718	if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3719		*p_resc_num = out_params.resc_num;
3720		*p_resc_start = out_params.resc_start;
3721	}
3722
3723	return 0;
3724}
3725
3726int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3727{
3728	u32 mcp_resp, mcp_param;
3729
3730	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3731			   &mcp_resp, &mcp_param);
3732}
3733
3734static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3735				struct qed_ptt *p_ptt,
3736				u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3737{
3738	int rc;
3739
3740	rc = qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD,
3741				 param, p_mcp_resp, p_mcp_param);
3742	if (rc)
3743		return rc;
3744
3745	if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3746		DP_INFO(p_hwfn,
3747			"The resource command is unsupported by the MFW\n");
3748		return -EINVAL;
3749	}
3750
3751	if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3752		u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3753
3754		DP_NOTICE(p_hwfn,
3755			  "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3756			  param, opcode);
3757		return -EINVAL;
3758	}
3759
3760	return rc;
3761}
3762
3763static int
3764__qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3765		    struct qed_ptt *p_ptt,
3766		    struct qed_resc_lock_params *p_params)
3767{
3768	u32 param = 0, mcp_resp, mcp_param;
3769	u8 opcode;
3770	int rc;
3771
3772	switch (p_params->timeout) {
3773	case QED_MCP_RESC_LOCK_TO_DEFAULT:
3774		opcode = RESOURCE_OPCODE_REQ;
3775		p_params->timeout = 0;
3776		break;
3777	case QED_MCP_RESC_LOCK_TO_NONE:
3778		opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3779		p_params->timeout = 0;
3780		break;
3781	default:
3782		opcode = RESOURCE_OPCODE_REQ_W_AGING;
3783		break;
3784	}
3785
3786	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3787	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3788	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3789
3790	DP_VERBOSE(p_hwfn,
3791		   QED_MSG_SP,
3792		   "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3793		   param, p_params->timeout, opcode, p_params->resource);
3794
3795	/* Attempt to acquire the resource */
3796	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3797	if (rc)
3798		return rc;
3799
3800	/* Analyze the response */
3801	p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3802	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3803
3804	DP_VERBOSE(p_hwfn,
3805		   QED_MSG_SP,
3806		   "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3807		   mcp_param, opcode, p_params->owner);
3808
3809	switch (opcode) {
3810	case RESOURCE_OPCODE_GNT:
3811		p_params->b_granted = true;
3812		break;
3813	case RESOURCE_OPCODE_BUSY:
3814		p_params->b_granted = false;
3815		break;
3816	default:
3817		DP_NOTICE(p_hwfn,
3818			  "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3819			  mcp_param, opcode);
3820		return -EINVAL;
3821	}
3822
3823	return 0;
3824}
3825
3826int
3827qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3828		  struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3829{
3830	u32 retry_cnt = 0;
3831	int rc;
3832
3833	do {
3834		/* No need for an interval before the first iteration */
3835		if (retry_cnt) {
3836			if (p_params->sleep_b4_retry) {
3837				u16 retry_interval_in_ms =
3838				    DIV_ROUND_UP(p_params->retry_interval,
3839						 1000);
3840
3841				msleep(retry_interval_in_ms);
3842			} else {
3843				udelay(p_params->retry_interval);
3844			}
3845		}
3846
3847		rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3848		if (rc)
3849			return rc;
3850
3851		if (p_params->b_granted)
3852			break;
3853	} while (retry_cnt++ < p_params->retry_num);
3854
3855	return 0;
3856}
3857
3858int
3859qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3860		    struct qed_ptt *p_ptt,
3861		    struct qed_resc_unlock_params *p_params)
3862{
3863	u32 param = 0, mcp_resp, mcp_param;
3864	u8 opcode;
3865	int rc;
3866
3867	opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3868				   : RESOURCE_OPCODE_RELEASE;
3869	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3870	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3871
3872	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3873		   "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3874		   param, opcode, p_params->resource);
3875
3876	/* Attempt to release the resource */
3877	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3878	if (rc)
3879		return rc;
3880
3881	/* Analyze the response */
3882	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3883
3884	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3885		   "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3886		   mcp_param, opcode);
3887
3888	switch (opcode) {
3889	case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3890		DP_INFO(p_hwfn,
3891			"Resource unlock request for an already released resource [%d]\n",
3892			p_params->resource);
3893		fallthrough;
3894	case RESOURCE_OPCODE_RELEASED:
3895		p_params->b_released = true;
3896		break;
3897	case RESOURCE_OPCODE_WRONG_OWNER:
3898		p_params->b_released = false;
3899		break;
3900	default:
3901		DP_NOTICE(p_hwfn,
3902			  "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3903			  mcp_param, opcode);
3904		return -EINVAL;
3905	}
3906
3907	return 0;
3908}
3909
3910void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3911				    struct qed_resc_unlock_params *p_unlock,
3912				    enum qed_resc_lock
3913				    resource, bool b_is_permanent)
3914{
3915	if (p_lock) {
3916		memset(p_lock, 0, sizeof(*p_lock));
3917
3918		/* Permanent resources don't require aging, and there's no
3919		 * point in trying to acquire them more than once since it's
3920		 * unexpected another entity would release them.
3921		 */
3922		if (b_is_permanent) {
3923			p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3924		} else {
3925			p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3926			p_lock->retry_interval =
3927			    QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3928			p_lock->sleep_b4_retry = true;
3929		}
3930
3931		p_lock->resource = resource;
3932	}
3933
3934	if (p_unlock) {
3935		memset(p_unlock, 0, sizeof(*p_unlock));
3936		p_unlock->resource = resource;
3937	}
3938}
3939
3940bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3941{
3942	return !!(p_hwfn->mcp_info->capabilities &
3943		  FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3944}
3945
3946int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3947{
3948	u32 mcp_resp;
3949	int rc;
3950
3951	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3952			 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3953	if (!rc)
3954		DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3955			   "MFW supported features: %08x\n",
3956			   p_hwfn->mcp_info->capabilities);
3957
3958	return rc;
3959}
3960
3961int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3962{
3963	u32 mcp_resp, mcp_param, features;
3964
3965	features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3966		   DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK |
3967		   DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL;
3968
3969	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3970			   features, &mcp_resp, &mcp_param);
3971}
3972
3973int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3974{
3975	struct qed_mcp_mb_params mb_params = {0};
3976	struct qed_dev *cdev = p_hwfn->cdev;
3977	u8 fir_valid, l2_valid;
3978	int rc;
3979
3980	mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3981	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3982	if (rc)
3983		return rc;
3984
3985	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3986		DP_INFO(p_hwfn,
3987			"The get_engine_config command is unsupported by the MFW\n");
3988		return -EOPNOTSUPP;
3989	}
3990
3991	fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3992				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3993	if (fir_valid)
3994		cdev->fir_affin =
3995		    QED_MFW_GET_FIELD(mb_params.mcp_param,
3996				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3997
3998	l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3999				     FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
4000	if (l2_valid)
4001		cdev->l2_affin_hint =
4002		    QED_MFW_GET_FIELD(mb_params.mcp_param,
4003				      FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
4004
4005	DP_INFO(p_hwfn,
4006		"Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
4007		fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
4008
4009	return 0;
4010}
4011
4012int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4013{
4014	struct qed_mcp_mb_params mb_params = {0};
4015	struct qed_dev *cdev = p_hwfn->cdev;
4016	int rc;
4017
4018	mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
4019	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4020	if (rc)
4021		return rc;
4022
4023	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4024		DP_INFO(p_hwfn,
4025			"The get_ppfid_bitmap command is unsupported by the MFW\n");
4026		return -EOPNOTSUPP;
4027	}
4028
4029	cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
4030					       FW_MB_PARAM_PPFID_BITMAP);
4031
4032	DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
4033		   cdev->ppfid_bitmap);
4034
4035	return 0;
4036}
4037
4038int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4039			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4040			u32 *p_len)
4041{
4042	u32 mb_param = 0, resp, param;
4043	int rc;
4044
4045	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4046	if (flags & QED_NVM_CFG_OPTION_INIT)
4047		QED_MFW_SET_FIELD(mb_param,
4048				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4049	if (flags & QED_NVM_CFG_OPTION_FREE)
4050		QED_MFW_SET_FIELD(mb_param,
4051				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4052	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4053		QED_MFW_SET_FIELD(mb_param,
4054				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4055		QED_MFW_SET_FIELD(mb_param,
4056				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4057				  entity_id);
4058	}
4059
4060	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
4061				DRV_MSG_CODE_GET_NVM_CFG_OPTION,
4062				mb_param, &resp, &param, p_len,
4063				(u32 *)p_buf, false);
4064
4065	return rc;
4066}
4067
4068int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4069			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4070			u32 len)
4071{
4072	u32 mb_param = 0, resp, param;
4073
4074	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4075	if (flags & QED_NVM_CFG_OPTION_ALL)
4076		QED_MFW_SET_FIELD(mb_param,
4077				  DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
4078	if (flags & QED_NVM_CFG_OPTION_INIT)
4079		QED_MFW_SET_FIELD(mb_param,
4080				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4081	if (flags & QED_NVM_CFG_OPTION_COMMIT)
4082		QED_MFW_SET_FIELD(mb_param,
4083				  DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
4084	if (flags & QED_NVM_CFG_OPTION_FREE)
4085		QED_MFW_SET_FIELD(mb_param,
4086				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4087	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4088		QED_MFW_SET_FIELD(mb_param,
4089				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4090		QED_MFW_SET_FIELD(mb_param,
4091				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4092				  entity_id);
4093	}
4094
4095	return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
4096				  DRV_MSG_CODE_SET_NVM_CFG_OPTION,
4097				  mb_param, &resp, &param, len, (u32 *)p_buf);
4098}
4099
4100#define QED_MCP_DBG_DATA_MAX_SIZE               MCP_DRV_NVM_BUF_LEN
4101#define QED_MCP_DBG_DATA_MAX_HEADER_SIZE        sizeof(u32)
4102#define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
4103	(QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
4104
4105static int
4106__qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4107			  struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
4108{
4109	struct qed_mcp_mb_params mb_params;
4110	int rc;
4111
4112	if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
4113		DP_ERR(p_hwfn,
4114		       "Debug data size is %d while it should not exceed %d\n",
4115		       size, QED_MCP_DBG_DATA_MAX_SIZE);
4116		return -EINVAL;
4117	}
4118
4119	memset(&mb_params, 0, sizeof(mb_params));
4120	mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
4121	SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
4122	mb_params.p_data_src = p_buf;
4123	mb_params.data_src_size = size;
4124	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4125	if (rc)
4126		return rc;
4127
4128	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4129		DP_INFO(p_hwfn,
4130			"The DEBUG_DATA_SEND command is unsupported by the MFW\n");
4131		return -EOPNOTSUPP;
4132	} else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
4133		DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
4134		return -EBUSY;
4135	} else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
4136		DP_NOTICE(p_hwfn,
4137			  "Failed to send debug data to the MFW [resp 0x%08x]\n",
4138			  mb_params.mcp_resp);
4139		return -EINVAL;
4140	}
4141
4142	return 0;
4143}
4144
4145enum qed_mcp_dbg_data_type {
4146	QED_MCP_DBG_DATA_TYPE_RAW,
4147};
4148
4149/* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
4150#define QED_MCP_DBG_DATA_HDR_SN_OFFSET  0
4151#define QED_MCP_DBG_DATA_HDR_SN_MASK            0x00000fff
4152#define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET        12
4153#define QED_MCP_DBG_DATA_HDR_TYPE_MASK  0x000ff000
4154#define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET       20
4155#define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
4156#define QED_MCP_DBG_DATA_HDR_PF_OFFSET  28
4157#define QED_MCP_DBG_DATA_HDR_PF_MASK            0xf0000000
4158
4159#define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST        0x1
4160#define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
4161
4162static int
4163qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4164			struct qed_ptt *p_ptt,
4165			enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
4166{
4167	u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
4168	u32 tmp_size = size, *p_header, *p_payload;
4169	u8 flags = 0;
4170	u16 seq;
4171	int rc;
4172
4173	p_header = (u32 *)raw_data;
4174	p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
4175
4176	seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
4177
4178	/* First chunk is marked as 'first' */
4179	flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4180
4181	*p_header = 0;
4182	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
4183	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
4184	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4185	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
4186
4187	while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
4188		memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
4189		rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4190					       QED_MCP_DBG_DATA_MAX_SIZE);
4191		if (rc)
4192			return rc;
4193
4194		/* Clear the 'first' marking after sending the first chunk */
4195		if (p_tmp_buf == p_buf) {
4196			flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4197			SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
4198				      flags);
4199		}
4200
4201		p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4202		tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4203	}
4204
4205	/* Last chunk is marked as 'last' */
4206	flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
4207	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4208	memcpy(p_payload, p_tmp_buf, tmp_size);
4209
4210	/* Casting the left size to u8 is ok since at this point it is <= 32 */
4211	return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4212					 (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
4213					 tmp_size));
4214}
4215
4216int
4217qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
4218			    struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
4219{
4220	return qed_mcp_send_debug_data(p_hwfn, p_ptt,
4221				       QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
4222}
4223
4224bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn)
4225{
4226	return !!(p_hwfn->mcp_info->capabilities &
4227		  FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK);
4228}
4229
4230int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active)
4231{
4232	u32 resp = 0, param = 0;
4233	int rc;
4234
4235	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, &param);
4236	if (rc) {
4237		DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc);
4238		return rc;
4239	}
4240
4241	*active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED);
4242
4243	return 0;
4244}
4245