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WIP FPC-III support
[linux/fpc-iii.git] / drivers / net / ethernet / qlogic / qed / qed_mcp.c
blobcd882c4533942966ca87b2c6ff23928b34b710c7
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_hw.h"
21 #include "qed_mcp.h"
22 #include "qed_reg_addr.h"
23 #include "qed_sriov.h"
24
25 #define GRCBASE_MCP 0xe00000
26
27 #define QED_MCP_RESP_ITER_US 10
28
29 #define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */
30 #define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */
31
32 #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \
33 qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
34 _val)
35
36 #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
37 qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
38
39 #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \
40 DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
41 offsetof(struct public_drv_mb, _field), _val)
42
43 #define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \
44 DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
45 offsetof(struct public_drv_mb, _field))
46
47 #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
48 DRV_ID_PDA_COMP_VER_SHIFT)
49
50 #define MCP_BYTES_PER_MBIT_SHIFT 17
51
52 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
53 {
54 if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
55 return false;
56 return true;
57 }
58
59 void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
60 {
61 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
62 PUBLIC_PORT);
63 u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
64
65 p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
66 MFW_PORT(p_hwfn));
67 DP_VERBOSE(p_hwfn, QED_MSG_SP,
68 "port_addr = 0x%x, port_id 0x%02x\n",
69 p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
70 }
71
72 void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
73 {
74 u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
75 u32 tmp, i;
76
77 if (!p_hwfn->mcp_info->public_base)
78 return;
79
80 for (i = 0; i < length; i++) {
81 tmp = qed_rd(p_hwfn, p_ptt,
82 p_hwfn->mcp_info->mfw_mb_addr +
83 (i << 2) + sizeof(u32));
84
85 /* The MB data is actually BE; Need to force it to cpu */
86 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
87 be32_to_cpu((__force __be32)tmp);
88 }
89 }
90
91 struct qed_mcp_cmd_elem {
92 struct list_head list;
93 struct qed_mcp_mb_params *p_mb_params;
94 u16 expected_seq_num;
95 bool b_is_completed;
96 };
97
98 /* Must be called while cmd_lock is acquired */
99 static struct qed_mcp_cmd_elem *
100 qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
101 struct qed_mcp_mb_params *p_mb_params,
102 u16 expected_seq_num)
103 {
104 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
105
106 p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
107 if (!p_cmd_elem)
108 goto out;
109
110 p_cmd_elem->p_mb_params = p_mb_params;
111 p_cmd_elem->expected_seq_num = expected_seq_num;
112 list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
113 out:
114 return p_cmd_elem;
115 }
116
117 /* Must be called while cmd_lock is acquired */
118 static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
119 struct qed_mcp_cmd_elem *p_cmd_elem)
120 {
121 list_del(&p_cmd_elem->list);
122 kfree(p_cmd_elem);
123 }
124
125 /* Must be called while cmd_lock is acquired */
126 static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
127 u16 seq_num)
128 {
129 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
130
131 list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
132 if (p_cmd_elem->expected_seq_num == seq_num)
133 return p_cmd_elem;
134 }
135
136 return NULL;
137 }
138
139 int qed_mcp_free(struct qed_hwfn *p_hwfn)
140 {
141 if (p_hwfn->mcp_info) {
142 struct qed_mcp_cmd_elem *p_cmd_elem, *p_tmp;
143
144 kfree(p_hwfn->mcp_info->mfw_mb_cur);
145 kfree(p_hwfn->mcp_info->mfw_mb_shadow);
146
147 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
148 list_for_each_entry_safe(p_cmd_elem,
149 p_tmp,
150 &p_hwfn->mcp_info->cmd_list, list) {
151 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
152 }
153 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
154 }
155
156 kfree(p_hwfn->mcp_info);
157 p_hwfn->mcp_info = NULL;
158
159 return 0;
160 }
161
162 /* Maximum of 1 sec to wait for the SHMEM ready indication */
163 #define QED_MCP_SHMEM_RDY_MAX_RETRIES 20
164 #define QED_MCP_SHMEM_RDY_ITER_MS 50
165
166 static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
167 {
168 struct qed_mcp_info *p_info = p_hwfn->mcp_info;
169 u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
170 u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
171 u32 drv_mb_offsize, mfw_mb_offsize;
172 u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
173
174 p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
175 if (!p_info->public_base) {
176 DP_NOTICE(p_hwfn,
177 "The address of the MCP scratch-pad is not configured\n");
178 return -EINVAL;
179 }
180
181 p_info->public_base |= GRCBASE_MCP;
182
183 /* Get the MFW MB address and number of supported messages */
184 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
185 SECTION_OFFSIZE_ADDR(p_info->public_base,
186 PUBLIC_MFW_MB));
187 p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
188 p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
189 p_info->mfw_mb_addr +
190 offsetof(struct public_mfw_mb,
191 sup_msgs));
192
193 /* The driver can notify that there was an MCP reset, and might read the
194 * SHMEM values before the MFW has completed initializing them.
195 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
196 * data ready indication.
197 */
198 while (!p_info->mfw_mb_length && --cnt) {
199 msleep(msec);
200 p_info->mfw_mb_length =
201 (u16)qed_rd(p_hwfn, p_ptt,
202 p_info->mfw_mb_addr +
203 offsetof(struct public_mfw_mb, sup_msgs));
204 }
205
206 if (!cnt) {
207 DP_NOTICE(p_hwfn,
208 "Failed to get the SHMEM ready notification after %d msec\n",
209 QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
210 return -EBUSY;
211 }
212
213 /* Calculate the driver and MFW mailbox address */
214 drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
215 SECTION_OFFSIZE_ADDR(p_info->public_base,
216 PUBLIC_DRV_MB));
217 p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
218 DP_VERBOSE(p_hwfn, QED_MSG_SP,
219 "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
220 drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
221
222 /* Get the current driver mailbox sequence before sending
223 * the first command
224 */
225 p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
226 DRV_MSG_SEQ_NUMBER_MASK;
227
228 /* Get current FW pulse sequence */
229 p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
230 DRV_PULSE_SEQ_MASK;
231
232 p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
233
234 return 0;
235 }
236
237 int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
238 {
239 struct qed_mcp_info *p_info;
240 u32 size;
241
242 /* Allocate mcp_info structure */
243 p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
244 if (!p_hwfn->mcp_info)
245 goto err;
246 p_info = p_hwfn->mcp_info;
247
248 /* Initialize the MFW spinlock */
249 spin_lock_init(&p_info->cmd_lock);
250 spin_lock_init(&p_info->link_lock);
251
252 INIT_LIST_HEAD(&p_info->cmd_list);
253
254 if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
255 DP_NOTICE(p_hwfn, "MCP is not initialized\n");
256 /* Do not free mcp_info here, since public_base indicate that
257 * the MCP is not initialized
258 */
259 return 0;
260 }
261
262 size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
263 p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
264 p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
265 if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
266 goto err;
267
268 return 0;
269
270 err:
271 qed_mcp_free(p_hwfn);
272 return -ENOMEM;
273 }
274
275 static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
276 struct qed_ptt *p_ptt)
277 {
278 u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
279
280 /* Use MCP history register to check if MCP reset occurred between init
281 * time and now.
282 */
283 if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
284 DP_VERBOSE(p_hwfn,
285 QED_MSG_SP,
286 "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
287 p_hwfn->mcp_info->mcp_hist, generic_por_0);
288
289 qed_load_mcp_offsets(p_hwfn, p_ptt);
290 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
291 }
292 }
293
294 int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
295 {
296 u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
297 int rc = 0;
298
299 if (p_hwfn->mcp_info->b_block_cmd) {
300 DP_NOTICE(p_hwfn,
301 "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
302 return -EBUSY;
303 }
304
305 /* Ensure that only a single thread is accessing the mailbox */
306 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
307
308 org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
309
310 /* Set drv command along with the updated sequence */
311 qed_mcp_reread_offsets(p_hwfn, p_ptt);
312 seq = ++p_hwfn->mcp_info->drv_mb_seq;
313 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
314
315 do {
316 /* Wait for MFW response */
317 udelay(delay);
318 /* Give the FW up to 500 second (50*1000*10usec) */
319 } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
320 MISCS_REG_GENERIC_POR_0)) &&
321 (cnt++ < QED_MCP_RESET_RETRIES));
322
323 if (org_mcp_reset_seq !=
324 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
325 DP_VERBOSE(p_hwfn, QED_MSG_SP,
326 "MCP was reset after %d usec\n", cnt * delay);
327 } else {
328 DP_ERR(p_hwfn, "Failed to reset MCP\n");
329 rc = -EAGAIN;
330 }
331
332 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
333
334 return rc;
335 }
336
337 /* Must be called while cmd_lock is acquired */
338 static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
339 {
340 struct qed_mcp_cmd_elem *p_cmd_elem;
341
342 /* There is at most one pending command at a certain time, and if it
343 * exists - it is placed at the HEAD of the list.
344 */
345 if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
346 p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
347 struct qed_mcp_cmd_elem, list);
348 return !p_cmd_elem->b_is_completed;
349 }
350
351 return false;
352 }
353
354 /* Must be called while cmd_lock is acquired */
355 static int
356 qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
357 {
358 struct qed_mcp_mb_params *p_mb_params;
359 struct qed_mcp_cmd_elem *p_cmd_elem;
360 u32 mcp_resp;
361 u16 seq_num;
362
363 mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
364 seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
365
366 /* Return if no new non-handled response has been received */
367 if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
368 return -EAGAIN;
369
370 p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
371 if (!p_cmd_elem) {
372 DP_ERR(p_hwfn,
373 "Failed to find a pending mailbox cmd that expects sequence number %d\n",
374 seq_num);
375 return -EINVAL;
376 }
377
378 p_mb_params = p_cmd_elem->p_mb_params;
379
380 /* Get the MFW response along with the sequence number */
381 p_mb_params->mcp_resp = mcp_resp;
382
383 /* Get the MFW param */
384 p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
385
386 /* Get the union data */
387 if (p_mb_params->p_data_dst != NULL && p_mb_params->data_dst_size) {
388 u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
389 offsetof(struct public_drv_mb,
390 union_data);
391 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
392 union_data_addr, p_mb_params->data_dst_size);
393 }
394
395 p_cmd_elem->b_is_completed = true;
396
397 return 0;
398 }
399
400 /* Must be called while cmd_lock is acquired */
401 static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
402 struct qed_ptt *p_ptt,
403 struct qed_mcp_mb_params *p_mb_params,
404 u16 seq_num)
405 {
406 union drv_union_data union_data;
407 u32 union_data_addr;
408
409 /* Set the union data */
410 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
411 offsetof(struct public_drv_mb, union_data);
412 memset(&union_data, 0, sizeof(union_data));
413 if (p_mb_params->p_data_src != NULL && p_mb_params->data_src_size)
414 memcpy(&union_data, p_mb_params->p_data_src,
415 p_mb_params->data_src_size);
416 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
417 sizeof(union_data));
418
419 /* Set the drv param */
420 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
421
422 /* Set the drv command along with the sequence number */
423 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
424
425 DP_VERBOSE(p_hwfn, QED_MSG_SP,
426 "MFW mailbox: command 0x%08x param 0x%08x\n",
427 (p_mb_params->cmd | seq_num), p_mb_params->param);
428 }
429
430 static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
431 {
432 p_hwfn->mcp_info->b_block_cmd = block_cmd;
433
434 DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
435 block_cmd ? "Block" : "Unblock");
436 }
437
438 static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
439 struct qed_ptt *p_ptt)
440 {
441 u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
442 u32 delay = QED_MCP_RESP_ITER_US;
443
444 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
445 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
446 cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
447 udelay(delay);
448 cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
449 udelay(delay);
450 cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
451
452 DP_NOTICE(p_hwfn,
453 "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
454 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
455 }
456
457 static int
458 _qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
459 struct qed_ptt *p_ptt,
460 struct qed_mcp_mb_params *p_mb_params,
461 u32 max_retries, u32 usecs)
462 {
463 u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000);
464 struct qed_mcp_cmd_elem *p_cmd_elem;
465 u16 seq_num;
466 int rc = 0;
467
468 /* Wait until the mailbox is non-occupied */
469 do {
470 /* Exit the loop if there is no pending command, or if the
471 * pending command is completed during this iteration.
472 * The spinlock stays locked until the command is sent.
473 */
474
475 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
476
477 if (!qed_mcp_has_pending_cmd(p_hwfn))
478 break;
479
480 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
481 if (!rc)
482 break;
483 else if (rc != -EAGAIN)
484 goto err;
485
486 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
487
488 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
489 msleep(msecs);
490 else
491 udelay(usecs);
492 } while (++cnt < max_retries);
493
494 if (cnt >= max_retries) {
495 DP_NOTICE(p_hwfn,
496 "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
497 p_mb_params->cmd, p_mb_params->param);
498 return -EAGAIN;
499 }
500
501 /* Send the mailbox command */
502 qed_mcp_reread_offsets(p_hwfn, p_ptt);
503 seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
504 p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
505 if (!p_cmd_elem) {
506 rc = -ENOMEM;
507 goto err;
508 }
509
510 __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
511 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
512
513 /* Wait for the MFW response */
514 do {
515 /* Exit the loop if the command is already completed, or if the
516 * command is completed during this iteration.
517 * The spinlock stays locked until the list element is removed.
518 */
519
520 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
521 msleep(msecs);
522 else
523 udelay(usecs);
524
525 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
526
527 if (p_cmd_elem->b_is_completed)
528 break;
529
530 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
531 if (!rc)
532 break;
533 else if (rc != -EAGAIN)
534 goto err;
535
536 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
537 } while (++cnt < max_retries);
538
539 if (cnt >= max_retries) {
540 DP_NOTICE(p_hwfn,
541 "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
542 p_mb_params->cmd, p_mb_params->param);
543 qed_mcp_print_cpu_info(p_hwfn, p_ptt);
544
545 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
546 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
547 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
548
549 if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
550 qed_mcp_cmd_set_blocking(p_hwfn, true);
551
552 qed_hw_err_notify(p_hwfn, p_ptt,
553 QED_HW_ERR_MFW_RESP_FAIL, NULL);
554 return -EAGAIN;
555 }
556
557 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
558 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
559
560 DP_VERBOSE(p_hwfn,
561 QED_MSG_SP,
562 "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
563 p_mb_params->mcp_resp,
564 p_mb_params->mcp_param,
565 (cnt * usecs) / 1000, (cnt * usecs) % 1000);
566
567 /* Clear the sequence number from the MFW response */
568 p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
569
570 return 0;
571
572 err:
573 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
574 return rc;
575 }
576
577 static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
578 struct qed_ptt *p_ptt,
579 struct qed_mcp_mb_params *p_mb_params)
580 {
581 size_t union_data_size = sizeof(union drv_union_data);
582 u32 max_retries = QED_DRV_MB_MAX_RETRIES;
583 u32 usecs = QED_MCP_RESP_ITER_US;
584
585 /* MCP not initialized */
586 if (!qed_mcp_is_init(p_hwfn)) {
587 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
588 return -EBUSY;
589 }
590
591 if (p_hwfn->mcp_info->b_block_cmd) {
592 DP_NOTICE(p_hwfn,
593 "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
594 p_mb_params->cmd, p_mb_params->param);
595 return -EBUSY;
596 }
597
598 if (p_mb_params->data_src_size > union_data_size ||
599 p_mb_params->data_dst_size > union_data_size) {
600 DP_ERR(p_hwfn,
601 "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
602 p_mb_params->data_src_size,
603 p_mb_params->data_dst_size, union_data_size);
604 return -EINVAL;
605 }
606
607 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) {
608 max_retries = DIV_ROUND_UP(max_retries, 1000);
609 usecs *= 1000;
610 }
611
612 return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
613 usecs);
614 }
615
616 int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
617 struct qed_ptt *p_ptt,
618 u32 cmd,
619 u32 param,
620 u32 *o_mcp_resp,
621 u32 *o_mcp_param)
622 {
623 struct qed_mcp_mb_params mb_params;
624 int rc;
625
626 memset(&mb_params, 0, sizeof(mb_params));
627 mb_params.cmd = cmd;
628 mb_params.param = param;
629
630 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
631 if (rc)
632 return rc;
633
634 *o_mcp_resp = mb_params.mcp_resp;
635 *o_mcp_param = mb_params.mcp_param;
636
637 return 0;
638 }
639
640 static int
641 qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
642 struct qed_ptt *p_ptt,
643 u32 cmd,
644 u32 param,
645 u32 *o_mcp_resp,
646 u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
647 {
648 struct qed_mcp_mb_params mb_params;
649 int rc;
650
651 memset(&mb_params, 0, sizeof(mb_params));
652 mb_params.cmd = cmd;
653 mb_params.param = param;
654 mb_params.p_data_src = i_buf;
655 mb_params.data_src_size = (u8)i_txn_size;
656 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
657 if (rc)
658 return rc;
659
660 *o_mcp_resp = mb_params.mcp_resp;
661 *o_mcp_param = mb_params.mcp_param;
662
663 /* nvm_info needs to be updated */
664 p_hwfn->nvm_info.valid = false;
665
666 return 0;
667 }
668
669 int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
670 struct qed_ptt *p_ptt,
671 u32 cmd,
672 u32 param,
673 u32 *o_mcp_resp,
674 u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf)
675 {
676 struct qed_mcp_mb_params mb_params;
677 u8 raw_data[MCP_DRV_NVM_BUF_LEN];
678 int rc;
679
680 memset(&mb_params, 0, sizeof(mb_params));
681 mb_params.cmd = cmd;
682 mb_params.param = param;
683 mb_params.p_data_dst = raw_data;
684
685 /* Use the maximal value since the actual one is part of the response */
686 mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
687
688 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
689 if (rc)
690 return rc;
691
692 *o_mcp_resp = mb_params.mcp_resp;
693 *o_mcp_param = mb_params.mcp_param;
694
695 *o_txn_size = *o_mcp_param;
696 memcpy(o_buf, raw_data, *o_txn_size);
697
698 return 0;
699 }
700
701 static bool
702 qed_mcp_can_force_load(u8 drv_role,
703 u8 exist_drv_role,
704 enum qed_override_force_load override_force_load)
705 {
706 bool can_force_load = false;
707
708 switch (override_force_load) {
709 case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
710 can_force_load = true;
711 break;
712 case QED_OVERRIDE_FORCE_LOAD_NEVER:
713 can_force_load = false;
714 break;
715 default:
716 can_force_load = (drv_role == DRV_ROLE_OS &&
717 exist_drv_role == DRV_ROLE_PREBOOT) ||
718 (drv_role == DRV_ROLE_KDUMP &&
719 exist_drv_role == DRV_ROLE_OS);
720 break;
721 }
722
723 return can_force_load;
724 }
725
726 static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
727 struct qed_ptt *p_ptt)
728 {
729 u32 resp = 0, param = 0;
730 int rc;
731
732 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
733 &resp, &param);
734 if (rc)
735 DP_NOTICE(p_hwfn,
736 "Failed to send cancel load request, rc = %d\n", rc);
737
738 return rc;
739 }
740
741 #define CONFIG_QEDE_BITMAP_IDX BIT(0)
742 #define CONFIG_QED_SRIOV_BITMAP_IDX BIT(1)
743 #define CONFIG_QEDR_BITMAP_IDX BIT(2)
744 #define CONFIG_QEDF_BITMAP_IDX BIT(4)
745 #define CONFIG_QEDI_BITMAP_IDX BIT(5)
746 #define CONFIG_QED_LL2_BITMAP_IDX BIT(6)
747
748 static u32 qed_get_config_bitmap(void)
749 {
750 u32 config_bitmap = 0x0;
751
752 if (IS_ENABLED(CONFIG_QEDE))
753 config_bitmap |= CONFIG_QEDE_BITMAP_IDX;
754
755 if (IS_ENABLED(CONFIG_QED_SRIOV))
756 config_bitmap |= CONFIG_QED_SRIOV_BITMAP_IDX;
757
758 if (IS_ENABLED(CONFIG_QED_RDMA))
759 config_bitmap |= CONFIG_QEDR_BITMAP_IDX;
760
761 if (IS_ENABLED(CONFIG_QED_FCOE))
762 config_bitmap |= CONFIG_QEDF_BITMAP_IDX;
763
764 if (IS_ENABLED(CONFIG_QED_ISCSI))
765 config_bitmap |= CONFIG_QEDI_BITMAP_IDX;
766
767 if (IS_ENABLED(CONFIG_QED_LL2))
768 config_bitmap |= CONFIG_QED_LL2_BITMAP_IDX;
769
770 return config_bitmap;
771 }
772
773 struct qed_load_req_in_params {
774 u8 hsi_ver;
775 #define QED_LOAD_REQ_HSI_VER_DEFAULT 0
776 #define QED_LOAD_REQ_HSI_VER_1 1
777 u32 drv_ver_0;
778 u32 drv_ver_1;
779 u32 fw_ver;
780 u8 drv_role;
781 u8 timeout_val;
782 u8 force_cmd;
783 bool avoid_eng_reset;
784 };
785
786 struct qed_load_req_out_params {
787 u32 load_code;
788 u32 exist_drv_ver_0;
789 u32 exist_drv_ver_1;
790 u32 exist_fw_ver;
791 u8 exist_drv_role;
792 u8 mfw_hsi_ver;
793 bool drv_exists;
794 };
795
796 static int
797 __qed_mcp_load_req(struct qed_hwfn *p_hwfn,
798 struct qed_ptt *p_ptt,
799 struct qed_load_req_in_params *p_in_params,
800 struct qed_load_req_out_params *p_out_params)
801 {
802 struct qed_mcp_mb_params mb_params;
803 struct load_req_stc load_req;
804 struct load_rsp_stc load_rsp;
805 u32 hsi_ver;
806 int rc;
807
808 memset(&load_req, 0, sizeof(load_req));
809 load_req.drv_ver_0 = p_in_params->drv_ver_0;
810 load_req.drv_ver_1 = p_in_params->drv_ver_1;
811 load_req.fw_ver = p_in_params->fw_ver;
812 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
813 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
814 p_in_params->timeout_val);
815 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
816 p_in_params->force_cmd);
817 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
818 p_in_params->avoid_eng_reset);
819
820 hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
821 DRV_ID_MCP_HSI_VER_CURRENT :
822 (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
823
824 memset(&mb_params, 0, sizeof(mb_params));
825 mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
826 mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
827 mb_params.p_data_src = &load_req;
828 mb_params.data_src_size = sizeof(load_req);
829 mb_params.p_data_dst = &load_rsp;
830 mb_params.data_dst_size = sizeof(load_rsp);
831 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
832
833 DP_VERBOSE(p_hwfn, QED_MSG_SP,
834 "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
835 mb_params.param,
836 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
837 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
838 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
839 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
840
841 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
842 DP_VERBOSE(p_hwfn, QED_MSG_SP,
843 "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",
844 load_req.drv_ver_0,
845 load_req.drv_ver_1,
846 load_req.fw_ver,
847 load_req.misc0,
848 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
849 QED_MFW_GET_FIELD(load_req.misc0,
850 LOAD_REQ_LOCK_TO),
851 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
852 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
853 }
854
855 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
856 if (rc) {
857 DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
858 return rc;
859 }
860
861 DP_VERBOSE(p_hwfn, QED_MSG_SP,
862 "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
863 p_out_params->load_code = mb_params.mcp_resp;
864
865 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
866 p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
867 DP_VERBOSE(p_hwfn,
868 QED_MSG_SP,
869 "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",
870 load_rsp.drv_ver_0,
871 load_rsp.drv_ver_1,
872 load_rsp.fw_ver,
873 load_rsp.misc0,
874 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
875 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
876 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
877
878 p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
879 p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
880 p_out_params->exist_fw_ver = load_rsp.fw_ver;
881 p_out_params->exist_drv_role =
882 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
883 p_out_params->mfw_hsi_ver =
884 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
885 p_out_params->drv_exists =
886 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
887 LOAD_RSP_FLAGS0_DRV_EXISTS;
888 }
889
890 return 0;
891 }
892
893 static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
894 enum qed_drv_role drv_role,
895 u8 *p_mfw_drv_role)
896 {
897 switch (drv_role) {
898 case QED_DRV_ROLE_OS:
899 *p_mfw_drv_role = DRV_ROLE_OS;
900 break;
901 case QED_DRV_ROLE_KDUMP:
902 *p_mfw_drv_role = DRV_ROLE_KDUMP;
903 break;
904 default:
905 DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
906 return -EINVAL;
907 }
908
909 return 0;
910 }
911
912 enum qed_load_req_force {
913 QED_LOAD_REQ_FORCE_NONE,
914 QED_LOAD_REQ_FORCE_PF,
915 QED_LOAD_REQ_FORCE_ALL,
916 };
917
918 static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
919
920 enum qed_load_req_force force_cmd,
921 u8 *p_mfw_force_cmd)
922 {
923 switch (force_cmd) {
924 case QED_LOAD_REQ_FORCE_NONE:
925 *p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
926 break;
927 case QED_LOAD_REQ_FORCE_PF:
928 *p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
929 break;
930 case QED_LOAD_REQ_FORCE_ALL:
931 *p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
932 break;
933 }
934 }
935
936 int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
937 struct qed_ptt *p_ptt,
938 struct qed_load_req_params *p_params)
939 {
940 struct qed_load_req_out_params out_params;
941 struct qed_load_req_in_params in_params;
942 u8 mfw_drv_role, mfw_force_cmd;
943 int rc;
944
945 memset(&in_params, 0, sizeof(in_params));
946 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
947 in_params.drv_ver_0 = QED_VERSION;
948 in_params.drv_ver_1 = qed_get_config_bitmap();
949 in_params.fw_ver = STORM_FW_VERSION;
950 rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
951 if (rc)
952 return rc;
953
954 in_params.drv_role = mfw_drv_role;
955 in_params.timeout_val = p_params->timeout_val;
956 qed_get_mfw_force_cmd(p_hwfn,
957 QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
958
959 in_params.force_cmd = mfw_force_cmd;
960 in_params.avoid_eng_reset = p_params->avoid_eng_reset;
961
962 memset(&out_params, 0, sizeof(out_params));
963 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
964 if (rc)
965 return rc;
966
967 /* First handle cases where another load request should/might be sent:
968 * - MFW expects the old interface [HSI version = 1]
969 * - MFW responds that a force load request is required
970 */
971 if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
972 DP_INFO(p_hwfn,
973 "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
974
975 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
976 memset(&out_params, 0, sizeof(out_params));
977 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
978 if (rc)
979 return rc;
980 } else if (out_params.load_code ==
981 FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
982 if (qed_mcp_can_force_load(in_params.drv_role,
983 out_params.exist_drv_role,
984 p_params->override_force_load)) {
985 DP_INFO(p_hwfn,
986 "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",
987 in_params.drv_role, in_params.fw_ver,
988 in_params.drv_ver_0, in_params.drv_ver_1,
989 out_params.exist_drv_role,
990 out_params.exist_fw_ver,
991 out_params.exist_drv_ver_0,
992 out_params.exist_drv_ver_1);
993
994 qed_get_mfw_force_cmd(p_hwfn,
995 QED_LOAD_REQ_FORCE_ALL,
996 &mfw_force_cmd);
997
998 in_params.force_cmd = mfw_force_cmd;
999 memset(&out_params, 0, sizeof(out_params));
1000 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1001 &out_params);
1002 if (rc)
1003 return rc;
1004 } else {
1005 DP_NOTICE(p_hwfn,
1006 "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",
1007 in_params.drv_role, in_params.fw_ver,
1008 in_params.drv_ver_0, in_params.drv_ver_1,
1009 out_params.exist_drv_role,
1010 out_params.exist_fw_ver,
1011 out_params.exist_drv_ver_0,
1012 out_params.exist_drv_ver_1);
1013 DP_NOTICE(p_hwfn,
1014 "Avoid sending a force load request to prevent disruption of active PFs\n");
1015
1016 qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1017 return -EBUSY;
1018 }
1019 }
1020
1021 /* Now handle the other types of responses.
1022 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1023 * expected here after the additional revised load requests were sent.
1024 */
1025 switch (out_params.load_code) {
1026 case FW_MSG_CODE_DRV_LOAD_ENGINE:
1027 case FW_MSG_CODE_DRV_LOAD_PORT:
1028 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1029 if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1030 out_params.drv_exists) {
1031 /* The role and fw/driver version match, but the PF is
1032 * already loaded and has not been unloaded gracefully.
1033 */
1034 DP_NOTICE(p_hwfn,
1035 "PF is already loaded\n");
1036 return -EINVAL;
1037 }
1038 break;
1039 default:
1040 DP_NOTICE(p_hwfn,
1041 "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1042 out_params.load_code);
1043 return -EBUSY;
1044 }
1045
1046 p_params->load_code = out_params.load_code;
1047
1048 return 0;
1049 }
1050
1051 int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1052 {
1053 u32 resp = 0, param = 0;
1054 int rc;
1055
1056 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1057 &param);
1058 if (rc) {
1059 DP_NOTICE(p_hwfn,
1060 "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1061 return rc;
1062 }
1063
1064 /* Check if there is a DID mismatch between nvm-cfg/efuse */
1065 if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1066 DP_NOTICE(p_hwfn,
1067 "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1068
1069 return 0;
1070 }
1071
1072 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1073 {
1074 struct qed_mcp_mb_params mb_params;
1075 u32 wol_param;
1076
1077 switch (p_hwfn->cdev->wol_config) {
1078 case QED_OV_WOL_DISABLED:
1079 wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1080 break;
1081 case QED_OV_WOL_ENABLED:
1082 wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1083 break;
1084 default:
1085 DP_NOTICE(p_hwfn,
1086 "Unknown WoL configuration %02x\n",
1087 p_hwfn->cdev->wol_config);
1088 fallthrough;
1089 case QED_OV_WOL_DEFAULT:
1090 wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1091 }
1092
1093 memset(&mb_params, 0, sizeof(mb_params));
1094 mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1095 mb_params.param = wol_param;
1096 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1097
1098 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1099 }
1100
1101 int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1102 {
1103 struct qed_mcp_mb_params mb_params;
1104 struct mcp_mac wol_mac;
1105
1106 memset(&mb_params, 0, sizeof(mb_params));
1107 mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1108
1109 /* Set the primary MAC if WoL is enabled */
1110 if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1111 u8 *p_mac = p_hwfn->cdev->wol_mac;
1112
1113 memset(&wol_mac, 0, sizeof(wol_mac));
1114 wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1115 wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1116 p_mac[4] << 8 | p_mac[5];
1117
1118 DP_VERBOSE(p_hwfn,
1119 (QED_MSG_SP | NETIF_MSG_IFDOWN),
1120 "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1121 p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1122
1123 mb_params.p_data_src = &wol_mac;
1124 mb_params.data_src_size = sizeof(wol_mac);
1125 }
1126
1127 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1128 }
1129
1130 static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1131 struct qed_ptt *p_ptt)
1132 {
1133 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1134 PUBLIC_PATH);
1135 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1136 u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1137 QED_PATH_ID(p_hwfn));
1138 u32 disabled_vfs[VF_MAX_STATIC / 32];
1139 int i;
1140
1141 DP_VERBOSE(p_hwfn,
1142 QED_MSG_SP,
1143 "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1144 mfw_path_offsize, path_addr);
1145
1146 for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1147 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1148 path_addr +
1149 offsetof(struct public_path,
1150 mcp_vf_disabled) +
1151 sizeof(u32) * i);
1152 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1153 "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1154 i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1155 }
1156
1157 if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1158 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1159 }
1160
1161 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1162 struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1163 {
1164 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1165 PUBLIC_FUNC);
1166 u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1167 u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1168 MCP_PF_ID(p_hwfn));
1169 struct qed_mcp_mb_params mb_params;
1170 int rc;
1171 int i;
1172
1173 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1174 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1175 "Acking VFs [%08x,...,%08x] - %08x\n",
1176 i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1177
1178 memset(&mb_params, 0, sizeof(mb_params));
1179 mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1180 mb_params.p_data_src = vfs_to_ack;
1181 mb_params.data_src_size = VF_MAX_STATIC / 8;
1182 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1183 if (rc) {
1184 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1185 return -EBUSY;
1186 }
1187
1188 /* Clear the ACK bits */
1189 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1190 qed_wr(p_hwfn, p_ptt,
1191 func_addr +
1192 offsetof(struct public_func, drv_ack_vf_disabled) +
1193 i * sizeof(u32), 0);
1194
1195 return rc;
1196 }
1197
1198 static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1199 struct qed_ptt *p_ptt)
1200 {
1201 u32 transceiver_state;
1202
1203 transceiver_state = qed_rd(p_hwfn, p_ptt,
1204 p_hwfn->mcp_info->port_addr +
1205 offsetof(struct public_port,
1206 transceiver_data));
1207
1208 DP_VERBOSE(p_hwfn,
1209 (NETIF_MSG_HW | QED_MSG_SP),
1210 "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1211 transceiver_state,
1212 (u32)(p_hwfn->mcp_info->port_addr +
1213 offsetof(struct public_port, transceiver_data)));
1214
1215 transceiver_state = GET_FIELD(transceiver_state,
1216 ETH_TRANSCEIVER_STATE);
1217
1218 if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1219 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1220 else
1221 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1222 }
1223
1224 static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1225 struct qed_ptt *p_ptt,
1226 struct qed_mcp_link_state *p_link)
1227 {
1228 u32 eee_status, val;
1229
1230 p_link->eee_adv_caps = 0;
1231 p_link->eee_lp_adv_caps = 0;
1232 eee_status = qed_rd(p_hwfn,
1233 p_ptt,
1234 p_hwfn->mcp_info->port_addr +
1235 offsetof(struct public_port, eee_status));
1236 p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1237 val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1238 if (val & EEE_1G_ADV)
1239 p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1240 if (val & EEE_10G_ADV)
1241 p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1242 val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1243 if (val & EEE_1G_ADV)
1244 p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1245 if (val & EEE_10G_ADV)
1246 p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1247 }
1248
1249 static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1250 struct qed_ptt *p_ptt,
1251 struct public_func *p_data, int pfid)
1252 {
1253 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1254 PUBLIC_FUNC);
1255 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1256 u32 func_addr;
1257 u32 i, size;
1258
1259 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1260 memset(p_data, 0, sizeof(*p_data));
1261
1262 size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1263 for (i = 0; i < size / sizeof(u32); i++)
1264 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1265 func_addr + (i << 2));
1266 return size;
1267 }
1268
1269 static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1270 struct public_func *p_shmem_info)
1271 {
1272 struct qed_mcp_function_info *p_info;
1273
1274 p_info = &p_hwfn->mcp_info->func_info;
1275
1276 p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1277 FUNC_MF_CFG_MIN_BW);
1278 if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1279 DP_INFO(p_hwfn,
1280 "bandwidth minimum out of bounds [%02x]. Set to 1\n",
1281 p_info->bandwidth_min);
1282 p_info->bandwidth_min = 1;
1283 }
1284
1285 p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1286 FUNC_MF_CFG_MAX_BW);
1287 if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1288 DP_INFO(p_hwfn,
1289 "bandwidth maximum out of bounds [%02x]. Set to 100\n",
1290 p_info->bandwidth_max);
1291 p_info->bandwidth_max = 100;
1292 }
1293 }
1294
1295 static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1296 struct qed_ptt *p_ptt, bool b_reset)
1297 {
1298 struct qed_mcp_link_state *p_link;
1299 u8 max_bw, min_bw;
1300 u32 status = 0;
1301
1302 /* Prevent SW/attentions from doing this at the same time */
1303 spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1304
1305 p_link = &p_hwfn->mcp_info->link_output;
1306 memset(p_link, 0, sizeof(*p_link));
1307 if (!b_reset) {
1308 status = qed_rd(p_hwfn, p_ptt,
1309 p_hwfn->mcp_info->port_addr +
1310 offsetof(struct public_port, link_status));
1311 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1312 "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1313 status,
1314 (u32)(p_hwfn->mcp_info->port_addr +
1315 offsetof(struct public_port, link_status)));
1316 } else {
1317 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1318 "Resetting link indications\n");
1319 goto out;
1320 }
1321
1322 if (p_hwfn->b_drv_link_init) {
1323 /* Link indication with modern MFW arrives as per-PF
1324 * indication.
1325 */
1326 if (p_hwfn->mcp_info->capabilities &
1327 FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1328 struct public_func shmem_info;
1329
1330 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1331 MCP_PF_ID(p_hwfn));
1332 p_link->link_up = !!(shmem_info.status &
1333 FUNC_STATUS_VIRTUAL_LINK_UP);
1334 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1335 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1336 "Virtual link_up = %d\n", p_link->link_up);
1337 } else {
1338 p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1339 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1340 "Physical link_up = %d\n", p_link->link_up);
1341 }
1342 } else {
1343 p_link->link_up = false;
1344 }
1345
1346 p_link->full_duplex = true;
1347 switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1348 case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1349 p_link->speed = 100000;
1350 break;
1351 case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1352 p_link->speed = 50000;
1353 break;
1354 case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1355 p_link->speed = 40000;
1356 break;
1357 case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1358 p_link->speed = 25000;
1359 break;
1360 case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1361 p_link->speed = 20000;
1362 break;
1363 case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1364 p_link->speed = 10000;
1365 break;
1366 case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1367 p_link->full_duplex = false;
1368 fallthrough;
1369 case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1370 p_link->speed = 1000;
1371 break;
1372 default:
1373 p_link->speed = 0;
1374 p_link->link_up = 0;
1375 }
1376
1377 if (p_link->link_up && p_link->speed)
1378 p_link->line_speed = p_link->speed;
1379 else
1380 p_link->line_speed = 0;
1381
1382 max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1383 min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1384
1385 /* Max bandwidth configuration */
1386 __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1387
1388 /* Min bandwidth configuration */
1389 __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1390 qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1391 p_link->min_pf_rate);
1392
1393 p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1394 p_link->an_complete = !!(status &
1395 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1396 p_link->parallel_detection = !!(status &
1397 LINK_STATUS_PARALLEL_DETECTION_USED);
1398 p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1399
1400 p_link->partner_adv_speed |=
1401 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1402 QED_LINK_PARTNER_SPEED_1G_FD : 0;
1403 p_link->partner_adv_speed |=
1404 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1405 QED_LINK_PARTNER_SPEED_1G_HD : 0;
1406 p_link->partner_adv_speed |=
1407 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1408 QED_LINK_PARTNER_SPEED_10G : 0;
1409 p_link->partner_adv_speed |=
1410 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1411 QED_LINK_PARTNER_SPEED_20G : 0;
1412 p_link->partner_adv_speed |=
1413 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1414 QED_LINK_PARTNER_SPEED_25G : 0;
1415 p_link->partner_adv_speed |=
1416 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1417 QED_LINK_PARTNER_SPEED_40G : 0;
1418 p_link->partner_adv_speed |=
1419 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1420 QED_LINK_PARTNER_SPEED_50G : 0;
1421 p_link->partner_adv_speed |=
1422 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1423 QED_LINK_PARTNER_SPEED_100G : 0;
1424
1425 p_link->partner_tx_flow_ctrl_en =
1426 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1427 p_link->partner_rx_flow_ctrl_en =
1428 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1429
1430 switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1431 case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1432 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1433 break;
1434 case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1435 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1436 break;
1437 case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1438 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1439 break;
1440 default:
1441 p_link->partner_adv_pause = 0;
1442 }
1443
1444 p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1445
1446 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1447 qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1448
1449 if (p_hwfn->mcp_info->capabilities &
1450 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1451 switch (status & LINK_STATUS_FEC_MODE_MASK) {
1452 case LINK_STATUS_FEC_MODE_NONE:
1453 p_link->fec_active = QED_FEC_MODE_NONE;
1454 break;
1455 case LINK_STATUS_FEC_MODE_FIRECODE_CL74:
1456 p_link->fec_active = QED_FEC_MODE_FIRECODE;
1457 break;
1458 case LINK_STATUS_FEC_MODE_RS_CL91:
1459 p_link->fec_active = QED_FEC_MODE_RS;
1460 break;
1461 default:
1462 p_link->fec_active = QED_FEC_MODE_AUTO;
1463 }
1464 } else {
1465 p_link->fec_active = QED_FEC_MODE_UNSUPPORTED;
1466 }
1467
1468 qed_link_update(p_hwfn, p_ptt);
1469 out:
1470 spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1471 }
1472
1473 int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1474 {
1475 struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1476 struct qed_mcp_mb_params mb_params;
1477 struct eth_phy_cfg phy_cfg;
1478 u32 cmd, fec_bit = 0;
1479 u32 val, ext_speed;
1480 int rc = 0;
1481
1482 /* Set the shmem configuration according to params */
1483 memset(&phy_cfg, 0, sizeof(phy_cfg));
1484 cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1485 if (!params->speed.autoneg)
1486 phy_cfg.speed = params->speed.forced_speed;
1487 phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1488 phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1489 phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1490 phy_cfg.adv_speed = params->speed.advertised_speeds;
1491 phy_cfg.loopback_mode = params->loopback_mode;
1492
1493 /* There are MFWs that share this capability regardless of whether
1494 * this is feasible or not. And given that at the very least adv_caps
1495 * would be set internally by qed, we want to make sure LFA would
1496 * still work.
1497 */
1498 if ((p_hwfn->mcp_info->capabilities &
1499 FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1500 phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1501 if (params->eee.tx_lpi_enable)
1502 phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1503 if (params->eee.adv_caps & QED_EEE_1G_ADV)
1504 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1505 if (params->eee.adv_caps & QED_EEE_10G_ADV)
1506 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1507 phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1508 EEE_TX_TIMER_USEC_OFFSET) &
1509 EEE_TX_TIMER_USEC_MASK;
1510 }
1511
1512 if (p_hwfn->mcp_info->capabilities &
1513 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1514 if (params->fec & QED_FEC_MODE_NONE)
1515 fec_bit |= FEC_FORCE_MODE_NONE;
1516 else if (params->fec & QED_FEC_MODE_FIRECODE)
1517 fec_bit |= FEC_FORCE_MODE_FIRECODE;
1518 else if (params->fec & QED_FEC_MODE_RS)
1519 fec_bit |= FEC_FORCE_MODE_RS;
1520 else if (params->fec & QED_FEC_MODE_AUTO)
1521 fec_bit |= FEC_FORCE_MODE_AUTO;
1522
1523 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit);
1524 }
1525
1526 if (p_hwfn->mcp_info->capabilities &
1527 FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
1528 ext_speed = 0;
1529 if (params->ext_speed.autoneg)
1530 ext_speed |= ETH_EXT_SPEED_AN;
1531
1532 val = params->ext_speed.forced_speed;
1533 if (val & QED_EXT_SPEED_1G)
1534 ext_speed |= ETH_EXT_SPEED_1G;
1535 if (val & QED_EXT_SPEED_10G)
1536 ext_speed |= ETH_EXT_SPEED_10G;
1537 if (val & QED_EXT_SPEED_20G)
1538 ext_speed |= ETH_EXT_SPEED_20G;
1539 if (val & QED_EXT_SPEED_25G)
1540 ext_speed |= ETH_EXT_SPEED_25G;
1541 if (val & QED_EXT_SPEED_40G)
1542 ext_speed |= ETH_EXT_SPEED_40G;
1543 if (val & QED_EXT_SPEED_50G_R)
1544 ext_speed |= ETH_EXT_SPEED_50G_BASE_R;
1545 if (val & QED_EXT_SPEED_50G_R2)
1546 ext_speed |= ETH_EXT_SPEED_50G_BASE_R2;
1547 if (val & QED_EXT_SPEED_100G_R2)
1548 ext_speed |= ETH_EXT_SPEED_100G_BASE_R2;
1549 if (val & QED_EXT_SPEED_100G_R4)
1550 ext_speed |= ETH_EXT_SPEED_100G_BASE_R4;
1551 if (val & QED_EXT_SPEED_100G_P4)
1552 ext_speed |= ETH_EXT_SPEED_100G_BASE_P4;
1553
1554 SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED,
1555 ext_speed);
1556
1557 ext_speed = 0;
1558
1559 val = params->ext_speed.advertised_speeds;
1560 if (val & QED_EXT_SPEED_MASK_1G)
1561 ext_speed |= ETH_EXT_ADV_SPEED_1G;
1562 if (val & QED_EXT_SPEED_MASK_10G)
1563 ext_speed |= ETH_EXT_ADV_SPEED_10G;
1564 if (val & QED_EXT_SPEED_MASK_20G)
1565 ext_speed |= ETH_EXT_ADV_SPEED_20G;
1566 if (val & QED_EXT_SPEED_MASK_25G)
1567 ext_speed |= ETH_EXT_ADV_SPEED_25G;
1568 if (val & QED_EXT_SPEED_MASK_40G)
1569 ext_speed |= ETH_EXT_ADV_SPEED_40G;
1570 if (val & QED_EXT_SPEED_MASK_50G_R)
1571 ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R;
1572 if (val & QED_EXT_SPEED_MASK_50G_R2)
1573 ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2;
1574 if (val & QED_EXT_SPEED_MASK_100G_R2)
1575 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2;
1576 if (val & QED_EXT_SPEED_MASK_100G_R4)
1577 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4;
1578 if (val & QED_EXT_SPEED_MASK_100G_P4)
1579 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4;
1580
1581 phy_cfg.extended_speed |= ext_speed;
1582
1583 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE,
1584 params->ext_fec_mode);
1585 }
1586
1587 p_hwfn->b_drv_link_init = b_up;
1588
1589 if (b_up) {
1590 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1591 "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n",
1592 phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed,
1593 phy_cfg.loopback_mode, phy_cfg.fec_mode,
1594 phy_cfg.extended_speed);
1595 } else {
1596 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n");
1597 }
1598
1599 memset(&mb_params, 0, sizeof(mb_params));
1600 mb_params.cmd = cmd;
1601 mb_params.p_data_src = &phy_cfg;
1602 mb_params.data_src_size = sizeof(phy_cfg);
1603 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1604
1605 /* if mcp fails to respond we must abort */
1606 if (rc) {
1607 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1608 return rc;
1609 }
1610
1611 /* Mimic link-change attention, done for several reasons:
1612 * - On reset, there's no guarantee MFW would trigger
1613 * an attention.
1614 * - On initialization, older MFWs might not indicate link change
1615 * during LFA, so we'll never get an UP indication.
1616 */
1617 qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1618
1619 return 0;
1620 }
1621
1622 u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1623 struct qed_ptt *p_ptt)
1624 {
1625 u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1626
1627 if (IS_VF(p_hwfn->cdev))
1628 return -EINVAL;
1629
1630 path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1631 PUBLIC_PATH);
1632 path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1633 path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1634
1635 proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1636 path_addr +
1637 offsetof(struct public_path, process_kill)) &
1638 PROCESS_KILL_COUNTER_MASK;
1639
1640 return proc_kill_cnt;
1641 }
1642
1643 static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1644 struct qed_ptt *p_ptt)
1645 {
1646 struct qed_dev *cdev = p_hwfn->cdev;
1647 u32 proc_kill_cnt;
1648
1649 /* Prevent possible attentions/interrupts during the recovery handling
1650 * and till its load phase, during which they will be re-enabled.
1651 */
1652 qed_int_igu_disable_int(p_hwfn, p_ptt);
1653
1654 DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1655
1656 /* The following operations should be done once, and thus in CMT mode
1657 * are carried out by only the first HW function.
1658 */
1659 if (p_hwfn != QED_LEADING_HWFN(cdev))
1660 return;
1661
1662 if (cdev->recov_in_prog) {
1663 DP_NOTICE(p_hwfn,
1664 "Ignoring the indication since a recovery process is already in progress\n");
1665 return;
1666 }
1667
1668 cdev->recov_in_prog = true;
1669
1670 proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1671 DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1672
1673 qed_schedule_recovery_handler(p_hwfn);
1674 }
1675
1676 static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1677 struct qed_ptt *p_ptt,
1678 enum MFW_DRV_MSG_TYPE type)
1679 {
1680 enum qed_mcp_protocol_type stats_type;
1681 union qed_mcp_protocol_stats stats;
1682 struct qed_mcp_mb_params mb_params;
1683 u32 hsi_param;
1684
1685 switch (type) {
1686 case MFW_DRV_MSG_GET_LAN_STATS:
1687 stats_type = QED_MCP_LAN_STATS;
1688 hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1689 break;
1690 case MFW_DRV_MSG_GET_FCOE_STATS:
1691 stats_type = QED_MCP_FCOE_STATS;
1692 hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1693 break;
1694 case MFW_DRV_MSG_GET_ISCSI_STATS:
1695 stats_type = QED_MCP_ISCSI_STATS;
1696 hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1697 break;
1698 case MFW_DRV_MSG_GET_RDMA_STATS:
1699 stats_type = QED_MCP_RDMA_STATS;
1700 hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1701 break;
1702 default:
1703 DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1704 return;
1705 }
1706
1707 qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1708
1709 memset(&mb_params, 0, sizeof(mb_params));
1710 mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1711 mb_params.param = hsi_param;
1712 mb_params.p_data_src = &stats;
1713 mb_params.data_src_size = sizeof(stats);
1714 qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1715 }
1716
1717 static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1718 {
1719 struct qed_mcp_function_info *p_info;
1720 struct public_func shmem_info;
1721 u32 resp = 0, param = 0;
1722
1723 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1724
1725 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1726
1727 p_info = &p_hwfn->mcp_info->func_info;
1728
1729 qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1730 qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1731
1732 /* Acknowledge the MFW */
1733 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1734 &param);
1735 }
1736
1737 static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1738 {
1739 struct public_func shmem_info;
1740 u32 resp = 0, param = 0;
1741
1742 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1743
1744 p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1745 FUNC_MF_CFG_OV_STAG_MASK;
1746 p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1747 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1748 if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1749 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1750 p_hwfn->hw_info.ovlan);
1751 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1752
1753 /* Configure DB to add external vlan to EDPM packets */
1754 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1755 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1756 p_hwfn->hw_info.ovlan);
1757 } else {
1758 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1759 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1760 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1761 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1762 }
1763
1764 qed_sp_pf_update_stag(p_hwfn);
1765 }
1766
1767 DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1768 p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1769
1770 /* Acknowledge the MFW */
1771 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1772 &resp, &param);
1773 }
1774
1775 static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
1776 struct qed_ptt *p_ptt)
1777 {
1778 /* A single notification should be sent to upper driver in CMT mode */
1779 if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1780 return;
1781
1782 qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
1783 "Fan failure was detected on the network interface card and it's going to be shut down.\n");
1784 }
1785
1786 struct qed_mdump_cmd_params {
1787 u32 cmd;
1788 void *p_data_src;
1789 u8 data_src_size;
1790 void *p_data_dst;
1791 u8 data_dst_size;
1792 u32 mcp_resp;
1793 };
1794
1795 static int
1796 qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
1797 struct qed_ptt *p_ptt,
1798 struct qed_mdump_cmd_params *p_mdump_cmd_params)
1799 {
1800 struct qed_mcp_mb_params mb_params;
1801 int rc;
1802
1803 memset(&mb_params, 0, sizeof(mb_params));
1804 mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
1805 mb_params.param = p_mdump_cmd_params->cmd;
1806 mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
1807 mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
1808 mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
1809 mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
1810 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1811 if (rc)
1812 return rc;
1813
1814 p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
1815
1816 if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
1817 DP_INFO(p_hwfn,
1818 "The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
1819 p_mdump_cmd_params->cmd);
1820 rc = -EOPNOTSUPP;
1821 } else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
1822 DP_INFO(p_hwfn,
1823 "The mdump command is not supported by the MFW\n");
1824 rc = -EOPNOTSUPP;
1825 }
1826
1827 return rc;
1828 }
1829
1830 static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1831 {
1832 struct qed_mdump_cmd_params mdump_cmd_params;
1833
1834 memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1835 mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
1836
1837 return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1838 }
1839
1840 int
1841 qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1842 struct qed_ptt *p_ptt,
1843 struct mdump_retain_data_stc *p_mdump_retain)
1844 {
1845 struct qed_mdump_cmd_params mdump_cmd_params;
1846 int rc;
1847
1848 memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1849 mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
1850 mdump_cmd_params.p_data_dst = p_mdump_retain;
1851 mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
1852
1853 rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1854 if (rc)
1855 return rc;
1856
1857 if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
1858 DP_INFO(p_hwfn,
1859 "Failed to get the mdump retained data [mcp_resp 0x%x]\n",
1860 mdump_cmd_params.mcp_resp);
1861 return -EINVAL;
1862 }
1863
1864 return 0;
1865 }
1866
1867 static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
1868 struct qed_ptt *p_ptt)
1869 {
1870 struct mdump_retain_data_stc mdump_retain;
1871 int rc;
1872
1873 /* In CMT mode - no need for more than a single acknowledgment to the
1874 * MFW, and no more than a single notification to the upper driver.
1875 */
1876 if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1877 return;
1878
1879 rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
1880 if (rc == 0 && mdump_retain.valid)
1881 DP_NOTICE(p_hwfn,
1882 "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
1883 mdump_retain.epoch,
1884 mdump_retain.pf, mdump_retain.status);
1885 else
1886 DP_NOTICE(p_hwfn,
1887 "The MFW notified that a critical error occurred in the device\n");
1888
1889 DP_NOTICE(p_hwfn,
1890 "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
1891 qed_mcp_mdump_ack(p_hwfn, p_ptt);
1892
1893 qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
1894 }
1895
1896 void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1897 {
1898 struct public_func shmem_info;
1899 u32 port_cfg, val;
1900
1901 if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1902 return;
1903
1904 memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1905 port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1906 offsetof(struct public_port, oem_cfg_port));
1907 val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1908 OEM_CFG_CHANNEL_TYPE_OFFSET;
1909 if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1910 DP_NOTICE(p_hwfn,
1911 "Incorrect UFP Channel type %d port_id 0x%02x\n",
1912 val, MFW_PORT(p_hwfn));
1913
1914 val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1915 if (val == OEM_CFG_SCHED_TYPE_ETS) {
1916 p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1917 } else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1918 p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1919 } else {
1920 p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1921 DP_NOTICE(p_hwfn,
1922 "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1923 val, MFW_PORT(p_hwfn));
1924 }
1925
1926 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1927 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1928 OEM_CFG_FUNC_TC_OFFSET;
1929 p_hwfn->ufp_info.tc = (u8)val;
1930 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1931 OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1932 if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1933 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1934 } else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1935 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1936 } else {
1937 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1938 DP_NOTICE(p_hwfn,
1939 "Unknown Host priority control %d port_id 0x%02x\n",
1940 val, MFW_PORT(p_hwfn));
1941 }
1942
1943 DP_NOTICE(p_hwfn,
1944 "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1945 p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1946 p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1947 }
1948
1949 static int
1950 qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1951 {
1952 qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1953
1954 if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1955 p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
1956 qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
1957 p_hwfn->ufp_info.tc);
1958
1959 qed_qm_reconf(p_hwfn, p_ptt);
1960 } else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
1961 /* Merge UFP TC with the dcbx TC data */
1962 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1963 QED_DCBX_OPERATIONAL_MIB);
1964 } else {
1965 DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
1966 return -EINVAL;
1967 }
1968
1969 /* update storm FW with negotiation results */
1970 qed_sp_pf_update_ufp(p_hwfn);
1971
1972 /* update stag pcp value */
1973 qed_sp_pf_update_stag(p_hwfn);
1974
1975 return 0;
1976 }
1977
1978 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
1979 struct qed_ptt *p_ptt)
1980 {
1981 struct qed_mcp_info *info = p_hwfn->mcp_info;
1982 int rc = 0;
1983 bool found = false;
1984 u16 i;
1985
1986 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
1987
1988 /* Read Messages from MFW */
1989 qed_mcp_read_mb(p_hwfn, p_ptt);
1990
1991 /* Compare current messages to old ones */
1992 for (i = 0; i < info->mfw_mb_length; i++) {
1993 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
1994 continue;
1995
1996 found = true;
1997
1998 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1999 "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
2000 i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
2001
2002 switch (i) {
2003 case MFW_DRV_MSG_LINK_CHANGE:
2004 qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
2005 break;
2006 case MFW_DRV_MSG_VF_DISABLED:
2007 qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
2008 break;
2009 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
2010 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2011 QED_DCBX_REMOTE_LLDP_MIB);
2012 break;
2013 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
2014 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2015 QED_DCBX_REMOTE_MIB);
2016 break;
2017 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
2018 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2019 QED_DCBX_OPERATIONAL_MIB);
2020 break;
2021 case MFW_DRV_MSG_OEM_CFG_UPDATE:
2022 qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
2023 break;
2024 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
2025 qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
2026 break;
2027 case MFW_DRV_MSG_ERROR_RECOVERY:
2028 qed_mcp_handle_process_kill(p_hwfn, p_ptt);
2029 break;
2030 case MFW_DRV_MSG_GET_LAN_STATS:
2031 case MFW_DRV_MSG_GET_FCOE_STATS:
2032 case MFW_DRV_MSG_GET_ISCSI_STATS:
2033 case MFW_DRV_MSG_GET_RDMA_STATS:
2034 qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
2035 break;
2036 case MFW_DRV_MSG_BW_UPDATE:
2037 qed_mcp_update_bw(p_hwfn, p_ptt);
2038 break;
2039 case MFW_DRV_MSG_S_TAG_UPDATE:
2040 qed_mcp_update_stag(p_hwfn, p_ptt);
2041 break;
2042 case MFW_DRV_MSG_FAILURE_DETECTED:
2043 qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
2044 break;
2045 case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
2046 qed_mcp_handle_critical_error(p_hwfn, p_ptt);
2047 break;
2048 case MFW_DRV_MSG_GET_TLV_REQ:
2049 qed_mfw_tlv_req(p_hwfn);
2050 break;
2051 default:
2052 DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
2053 rc = -EINVAL;
2054 }
2055 }
2056
2057 /* ACK everything */
2058 for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
2059 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
2060
2061 /* MFW expect answer in BE, so we force write in that format */
2062 qed_wr(p_hwfn, p_ptt,
2063 info->mfw_mb_addr + sizeof(u32) +
2064 MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
2065 sizeof(u32) + i * sizeof(u32),
2066 (__force u32)val);
2067 }
2068
2069 if (!found) {
2070 DP_NOTICE(p_hwfn,
2071 "Received an MFW message indication but no new message!\n");
2072 rc = -EINVAL;
2073 }
2074
2075 /* Copy the new mfw messages into the shadow */
2076 memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
2077
2078 return rc;
2079 }
2080
2081 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
2082 struct qed_ptt *p_ptt,
2083 u32 *p_mfw_ver, u32 *p_running_bundle_id)
2084 {
2085 u32 global_offsize;
2086
2087 if (IS_VF(p_hwfn->cdev)) {
2088 if (p_hwfn->vf_iov_info) {
2089 struct pfvf_acquire_resp_tlv *p_resp;
2090
2091 p_resp = &p_hwfn->vf_iov_info->acquire_resp;
2092 *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
2093 return 0;
2094 } else {
2095 DP_VERBOSE(p_hwfn,
2096 QED_MSG_IOV,
2097 "VF requested MFW version prior to ACQUIRE\n");
2098 return -EINVAL;
2099 }
2100 }
2101
2102 global_offsize = qed_rd(p_hwfn, p_ptt,
2103 SECTION_OFFSIZE_ADDR(p_hwfn->
2104 mcp_info->public_base,
2105 PUBLIC_GLOBAL));
2106 *p_mfw_ver =
2107 qed_rd(p_hwfn, p_ptt,
2108 SECTION_ADDR(global_offsize,
2109 0) + offsetof(struct public_global, mfw_ver));
2110
2111 if (p_running_bundle_id != NULL) {
2112 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
2113 SECTION_ADDR(global_offsize, 0) +
2114 offsetof(struct public_global,
2115 running_bundle_id));
2116 }
2117
2118 return 0;
2119 }
2120
2121 int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
2122 struct qed_ptt *p_ptt, u32 *p_mbi_ver)
2123 {
2124 u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
2125
2126 if (IS_VF(p_hwfn->cdev))
2127 return -EINVAL;
2128
2129 /* Read the address of the nvm_cfg */
2130 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2131 if (!nvm_cfg_addr) {
2132 DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2133 return -EINVAL;
2134 }
2135
2136 /* Read the offset of nvm_cfg1 */
2137 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2138
2139 mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2140 offsetof(struct nvm_cfg1, glob) +
2141 offsetof(struct nvm_cfg1_glob, mbi_version);
2142 *p_mbi_ver = qed_rd(p_hwfn, p_ptt,
2143 mbi_ver_addr) &
2144 (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
2145 NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
2146 NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
2147
2148 return 0;
2149 }
2150
2151 int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
2152 struct qed_ptt *p_ptt, u32 *p_media_type)
2153 {
2154 *p_media_type = MEDIA_UNSPECIFIED;
2155
2156 if (IS_VF(p_hwfn->cdev))
2157 return -EINVAL;
2158
2159 if (!qed_mcp_is_init(p_hwfn)) {
2160 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2161 return -EBUSY;
2162 }
2163
2164 if (!p_ptt) {
2165 *p_media_type = MEDIA_UNSPECIFIED;
2166 return -EINVAL;
2167 }
2168
2169 *p_media_type = qed_rd(p_hwfn, p_ptt,
2170 p_hwfn->mcp_info->port_addr +
2171 offsetof(struct public_port,
2172 media_type));
2173
2174 return 0;
2175 }
2176
2177 int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
2178 struct qed_ptt *p_ptt,
2179 u32 *p_transceiver_state,
2180 u32 *p_transceiver_type)
2181 {
2182 u32 transceiver_info;
2183
2184 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
2185 *p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
2186
2187 if (IS_VF(p_hwfn->cdev))
2188 return -EINVAL;
2189
2190 if (!qed_mcp_is_init(p_hwfn)) {
2191 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2192 return -EBUSY;
2193 }
2194
2195 transceiver_info = qed_rd(p_hwfn, p_ptt,
2196 p_hwfn->mcp_info->port_addr +
2197 offsetof(struct public_port,
2198 transceiver_data));
2199
2200 *p_transceiver_state = (transceiver_info &
2201 ETH_TRANSCEIVER_STATE_MASK) >>
2202 ETH_TRANSCEIVER_STATE_OFFSET;
2203
2204 if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2205 *p_transceiver_type = (transceiver_info &
2206 ETH_TRANSCEIVER_TYPE_MASK) >>
2207 ETH_TRANSCEIVER_TYPE_OFFSET;
2208 else
2209 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2210
2211 return 0;
2212 }
2213 static bool qed_is_transceiver_ready(u32 transceiver_state,
2214 u32 transceiver_type)
2215 {
2216 if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2217 ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2218 (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2219 return true;
2220
2221 return false;
2222 }
2223
2224 int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2225 struct qed_ptt *p_ptt, u32 *p_speed_mask)
2226 {
2227 u32 transceiver_type, transceiver_state;
2228 int ret;
2229
2230 ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2231 &transceiver_type);
2232 if (ret)
2233 return ret;
2234
2235 if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2236 false)
2237 return -EINVAL;
2238
2239 switch (transceiver_type) {
2240 case ETH_TRANSCEIVER_TYPE_1G_LX:
2241 case ETH_TRANSCEIVER_TYPE_1G_SX:
2242 case ETH_TRANSCEIVER_TYPE_1G_PCC:
2243 case ETH_TRANSCEIVER_TYPE_1G_ACC:
2244 case ETH_TRANSCEIVER_TYPE_1000BASET:
2245 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2246 break;
2247 case ETH_TRANSCEIVER_TYPE_10G_SR:
2248 case ETH_TRANSCEIVER_TYPE_10G_LR:
2249 case ETH_TRANSCEIVER_TYPE_10G_LRM:
2250 case ETH_TRANSCEIVER_TYPE_10G_ER:
2251 case ETH_TRANSCEIVER_TYPE_10G_PCC:
2252 case ETH_TRANSCEIVER_TYPE_10G_ACC:
2253 case ETH_TRANSCEIVER_TYPE_4x10G:
2254 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2255 break;
2256 case ETH_TRANSCEIVER_TYPE_40G_LR4:
2257 case ETH_TRANSCEIVER_TYPE_40G_SR4:
2258 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2259 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2260 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2261 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2262 break;
2263 case ETH_TRANSCEIVER_TYPE_100G_AOC:
2264 case ETH_TRANSCEIVER_TYPE_100G_SR4:
2265 case ETH_TRANSCEIVER_TYPE_100G_LR4:
2266 case ETH_TRANSCEIVER_TYPE_100G_ER4:
2267 case ETH_TRANSCEIVER_TYPE_100G_ACC:
2268 *p_speed_mask =
2269 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2270 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2271 break;
2272 case ETH_TRANSCEIVER_TYPE_25G_SR:
2273 case ETH_TRANSCEIVER_TYPE_25G_LR:
2274 case ETH_TRANSCEIVER_TYPE_25G_AOC:
2275 case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2276 case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2277 case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2278 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2279 break;
2280 case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2281 case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2282 case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2283 case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2284 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2285 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2286 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2287 break;
2288 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2289 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
2290 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2291 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2292 break;
2293 case ETH_TRANSCEIVER_TYPE_40G_CR4:
2294 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2295 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2296 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2297 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2298 break;
2299 case ETH_TRANSCEIVER_TYPE_100G_CR4:
2300 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2301 *p_speed_mask =
2302 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2303 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2304 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2305 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2306 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2307 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2308 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2309 break;
2310 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2311 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2312 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2313 *p_speed_mask =
2314 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2315 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2316 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2317 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2318 break;
2319 case ETH_TRANSCEIVER_TYPE_XLPPI:
2320 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2321 break;
2322 case ETH_TRANSCEIVER_TYPE_10G_BASET:
2323 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
2324 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
2325 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2326 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2327 break;
2328 default:
2329 DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2330 transceiver_type);
2331 *p_speed_mask = 0xff;
2332 break;
2333 }
2334
2335 return 0;
2336 }
2337
2338 int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2339 struct qed_ptt *p_ptt, u32 *p_board_config)
2340 {
2341 u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2342
2343 if (IS_VF(p_hwfn->cdev))
2344 return -EINVAL;
2345
2346 if (!qed_mcp_is_init(p_hwfn)) {
2347 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2348 return -EBUSY;
2349 }
2350 if (!p_ptt) {
2351 *p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2352 return -EINVAL;
2353 }
2354
2355 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2356 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2357 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2358 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2359 *p_board_config = qed_rd(p_hwfn, p_ptt,
2360 port_cfg_addr +
2361 offsetof(struct nvm_cfg1_port,
2362 board_cfg));
2363
2364 return 0;
2365 }
2366
2367 /* Old MFW has a global configuration for all PFs regarding RDMA support */
2368 static void
2369 qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2370 enum qed_pci_personality *p_proto)
2371 {
2372 /* There wasn't ever a legacy MFW that published iwarp.
2373 * So at this point, this is either plain l2 or RoCE.
2374 */
2375 if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2376 *p_proto = QED_PCI_ETH_ROCE;
2377 else
2378 *p_proto = QED_PCI_ETH;
2379
2380 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2381 "According to Legacy capabilities, L2 personality is %08x\n",
2382 (u32) *p_proto);
2383 }
2384
2385 static int
2386 qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2387 struct qed_ptt *p_ptt,
2388 enum qed_pci_personality *p_proto)
2389 {
2390 u32 resp = 0, param = 0;
2391 int rc;
2392
2393 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2394 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, &param);
2395 if (rc)
2396 return rc;
2397 if (resp != FW_MSG_CODE_OK) {
2398 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2399 "MFW lacks support for command; Returns %08x\n",
2400 resp);
2401 return -EINVAL;
2402 }
2403
2404 switch (param) {
2405 case FW_MB_PARAM_GET_PF_RDMA_NONE:
2406 *p_proto = QED_PCI_ETH;
2407 break;
2408 case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2409 *p_proto = QED_PCI_ETH_ROCE;
2410 break;
2411 case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2412 *p_proto = QED_PCI_ETH_IWARP;
2413 break;
2414 case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2415 *p_proto = QED_PCI_ETH_RDMA;
2416 break;
2417 default:
2418 DP_NOTICE(p_hwfn,
2419 "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2420 param);
2421 return -EINVAL;
2422 }
2423
2424 DP_VERBOSE(p_hwfn,
2425 NETIF_MSG_IFUP,
2426 "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2427 (u32) *p_proto, resp, param);
2428 return 0;
2429 }
2430
2431 static int
2432 qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2433 struct public_func *p_info,
2434 struct qed_ptt *p_ptt,
2435 enum qed_pci_personality *p_proto)
2436 {
2437 int rc = 0;
2438
2439 switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2440 case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2441 if (!IS_ENABLED(CONFIG_QED_RDMA))
2442 *p_proto = QED_PCI_ETH;
2443 else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2444 qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2445 break;
2446 case FUNC_MF_CFG_PROTOCOL_ISCSI:
2447 *p_proto = QED_PCI_ISCSI;
2448 break;
2449 case FUNC_MF_CFG_PROTOCOL_FCOE:
2450 *p_proto = QED_PCI_FCOE;
2451 break;
2452 case FUNC_MF_CFG_PROTOCOL_ROCE:
2453 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2454 fallthrough;
2455 default:
2456 rc = -EINVAL;
2457 }
2458
2459 return rc;
2460 }
2461
2462 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2463 struct qed_ptt *p_ptt)
2464 {
2465 struct qed_mcp_function_info *info;
2466 struct public_func shmem_info;
2467
2468 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2469 info = &p_hwfn->mcp_info->func_info;
2470
2471 info->pause_on_host = (shmem_info.config &
2472 FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2473
2474 if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2475 &info->protocol)) {
2476 DP_ERR(p_hwfn, "Unknown personality %08x\n",
2477 (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2478 return -EINVAL;
2479 }
2480
2481 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2482
2483 if (shmem_info.mac_upper || shmem_info.mac_lower) {
2484 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2485 info->mac[1] = (u8)(shmem_info.mac_upper);
2486 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2487 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2488 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2489 info->mac[5] = (u8)(shmem_info.mac_lower);
2490
2491 /* Store primary MAC for later possible WoL */
2492 memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2493 } else {
2494 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2495 }
2496
2497 info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2498 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2499 info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2500 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2501
2502 info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2503
2504 info->mtu = (u16)shmem_info.mtu_size;
2505
2506 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2507 p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2508 if (qed_mcp_is_init(p_hwfn)) {
2509 u32 resp = 0, param = 0;
2510 int rc;
2511
2512 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2513 DRV_MSG_CODE_OS_WOL, 0, &resp, &param);
2514 if (rc)
2515 return rc;
2516 if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2517 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2518 }
2519
2520 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2521 "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",
2522 info->pause_on_host, info->protocol,
2523 info->bandwidth_min, info->bandwidth_max,
2524 info->mac,
2525 info->wwn_port, info->wwn_node,
2526 info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2527
2528 return 0;
2529 }
2530
2531 struct qed_mcp_link_params
2532 *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2533 {
2534 if (!p_hwfn || !p_hwfn->mcp_info)
2535 return NULL;
2536 return &p_hwfn->mcp_info->link_input;
2537 }
2538
2539 struct qed_mcp_link_state
2540 *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2541 {
2542 if (!p_hwfn || !p_hwfn->mcp_info)
2543 return NULL;
2544 return &p_hwfn->mcp_info->link_output;
2545 }
2546
2547 struct qed_mcp_link_capabilities
2548 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2549 {
2550 if (!p_hwfn || !p_hwfn->mcp_info)
2551 return NULL;
2552 return &p_hwfn->mcp_info->link_capabilities;
2553 }
2554
2555 int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2556 {
2557 u32 resp = 0, param = 0;
2558 int rc;
2559
2560 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2561 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
2562
2563 /* Wait for the drain to complete before returning */
2564 msleep(1020);
2565
2566 return rc;
2567 }
2568
2569 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2570 struct qed_ptt *p_ptt, u32 *p_flash_size)
2571 {
2572 u32 flash_size;
2573
2574 if (IS_VF(p_hwfn->cdev))
2575 return -EINVAL;
2576
2577 flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2578 flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2579 MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2580 flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2581
2582 *p_flash_size = flash_size;
2583
2584 return 0;
2585 }
2586
2587 int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2588 {
2589 struct qed_dev *cdev = p_hwfn->cdev;
2590
2591 if (cdev->recov_in_prog) {
2592 DP_NOTICE(p_hwfn,
2593 "Avoid triggering a recovery since such a process is already in progress\n");
2594 return -EAGAIN;
2595 }
2596
2597 DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2598 qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2599
2600 return 0;
2601 }
2602
2603 #define QED_RECOVERY_PROLOG_SLEEP_MS 100
2604
2605 int qed_recovery_prolog(struct qed_dev *cdev)
2606 {
2607 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2608 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2609 int rc;
2610
2611 /* Allow ongoing PCIe transactions to complete */
2612 msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2613
2614 /* Clear the PF's internal FID_enable in the PXP */
2615 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2616 if (rc)
2617 DP_NOTICE(p_hwfn,
2618 "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2619 rc);
2620
2621 return rc;
2622 }
2623
2624 static int
2625 qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2626 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2627 {
2628 u32 resp = 0, param = 0, rc_param = 0;
2629 int rc;
2630
2631 /* Only Leader can configure MSIX, and need to take CMT into account */
2632 if (!IS_LEAD_HWFN(p_hwfn))
2633 return 0;
2634 num *= p_hwfn->cdev->num_hwfns;
2635
2636 param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2637 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2638 param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2639 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2640
2641 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2642 &resp, &rc_param);
2643
2644 if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2645 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2646 rc = -EINVAL;
2647 } else {
2648 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2649 "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2650 num, vf_id);
2651 }
2652
2653 return rc;
2654 }
2655
2656 static int
2657 qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2658 struct qed_ptt *p_ptt, u8 num)
2659 {
2660 u32 resp = 0, param = num, rc_param = 0;
2661 int rc;
2662
2663 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2664 param, &resp, &rc_param);
2665
2666 if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2667 DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2668 rc = -EINVAL;
2669 } else {
2670 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2671 "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2672 }
2673
2674 return rc;
2675 }
2676
2677 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2678 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2679 {
2680 if (QED_IS_BB(p_hwfn->cdev))
2681 return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2682 else
2683 return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2684 }
2685
2686 int
2687 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2688 struct qed_ptt *p_ptt,
2689 struct qed_mcp_drv_version *p_ver)
2690 {
2691 struct qed_mcp_mb_params mb_params;
2692 struct drv_version_stc drv_version;
2693 __be32 val;
2694 u32 i;
2695 int rc;
2696
2697 memset(&drv_version, 0, sizeof(drv_version));
2698 drv_version.version = p_ver->version;
2699 for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2700 val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2701 *(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2702 }
2703
2704 memset(&mb_params, 0, sizeof(mb_params));
2705 mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2706 mb_params.p_data_src = &drv_version;
2707 mb_params.data_src_size = sizeof(drv_version);
2708 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2709 if (rc)
2710 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2711
2712 return rc;
2713 }
2714
2715 /* A maximal 100 msec waiting time for the MCP to halt */
2716 #define QED_MCP_HALT_SLEEP_MS 10
2717 #define QED_MCP_HALT_MAX_RETRIES 10
2718
2719 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2720 {
2721 u32 resp = 0, param = 0, cpu_state, cnt = 0;
2722 int rc;
2723
2724 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2725 &param);
2726 if (rc) {
2727 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2728 return rc;
2729 }
2730
2731 do {
2732 msleep(QED_MCP_HALT_SLEEP_MS);
2733 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2734 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2735 break;
2736 } while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2737
2738 if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2739 DP_NOTICE(p_hwfn,
2740 "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2741 qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2742 return -EBUSY;
2743 }
2744
2745 qed_mcp_cmd_set_blocking(p_hwfn, true);
2746
2747 return 0;
2748 }
2749
2750 #define QED_MCP_RESUME_SLEEP_MS 10
2751
2752 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2753 {
2754 u32 cpu_mode, cpu_state;
2755
2756 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2757
2758 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2759 cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2760 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2761 msleep(QED_MCP_RESUME_SLEEP_MS);
2762 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2763
2764 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2765 DP_NOTICE(p_hwfn,
2766 "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2767 cpu_mode, cpu_state);
2768 return -EBUSY;
2769 }
2770
2771 qed_mcp_cmd_set_blocking(p_hwfn, false);
2772
2773 return 0;
2774 }
2775
2776 int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2777 struct qed_ptt *p_ptt,
2778 enum qed_ov_client client)
2779 {
2780 u32 resp = 0, param = 0;
2781 u32 drv_mb_param;
2782 int rc;
2783
2784 switch (client) {
2785 case QED_OV_CLIENT_DRV:
2786 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2787 break;
2788 case QED_OV_CLIENT_USER:
2789 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2790 break;
2791 case QED_OV_CLIENT_VENDOR_SPEC:
2792 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2793 break;
2794 default:
2795 DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2796 return -EINVAL;
2797 }
2798
2799 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2800 drv_mb_param, &resp, &param);
2801 if (rc)
2802 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2803
2804 return rc;
2805 }
2806
2807 int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2808 struct qed_ptt *p_ptt,
2809 enum qed_ov_driver_state drv_state)
2810 {
2811 u32 resp = 0, param = 0;
2812 u32 drv_mb_param;
2813 int rc;
2814
2815 switch (drv_state) {
2816 case QED_OV_DRIVER_STATE_NOT_LOADED:
2817 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2818 break;
2819 case QED_OV_DRIVER_STATE_DISABLED:
2820 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2821 break;
2822 case QED_OV_DRIVER_STATE_ACTIVE:
2823 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2824 break;
2825 default:
2826 DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2827 return -EINVAL;
2828 }
2829
2830 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2831 drv_mb_param, &resp, &param);
2832 if (rc)
2833 DP_ERR(p_hwfn, "Failed to send driver state\n");
2834
2835 return rc;
2836 }
2837
2838 int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2839 struct qed_ptt *p_ptt, u16 mtu)
2840 {
2841 u32 resp = 0, param = 0;
2842 u32 drv_mb_param;
2843 int rc;
2844
2845 drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2846 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2847 drv_mb_param, &resp, &param);
2848 if (rc)
2849 DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2850
2851 return rc;
2852 }
2853
2854 int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2855 struct qed_ptt *p_ptt, u8 *mac)
2856 {
2857 struct qed_mcp_mb_params mb_params;
2858 u32 mfw_mac[2];
2859 int rc;
2860
2861 memset(&mb_params, 0, sizeof(mb_params));
2862 mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2863 mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2864 DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2865 mb_params.param |= MCP_PF_ID(p_hwfn);
2866
2867 /* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2868 * in 32-bit granularity.
2869 * So the MAC has to be set in native order [and not byte order],
2870 * otherwise it would be read incorrectly by MFW after swap.
2871 */
2872 mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2873 mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2874
2875 mb_params.p_data_src = (u8 *)mfw_mac;
2876 mb_params.data_src_size = 8;
2877 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2878 if (rc)
2879 DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2880
2881 /* Store primary MAC for later possible WoL */
2882 memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2883
2884 return rc;
2885 }
2886
2887 int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2888 struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2889 {
2890 u32 resp = 0, param = 0;
2891 u32 drv_mb_param;
2892 int rc;
2893
2894 if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2895 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2896 "Can't change WoL configuration when WoL isn't supported\n");
2897 return -EINVAL;
2898 }
2899
2900 switch (wol) {
2901 case QED_OV_WOL_DEFAULT:
2902 drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2903 break;
2904 case QED_OV_WOL_DISABLED:
2905 drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2906 break;
2907 case QED_OV_WOL_ENABLED:
2908 drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2909 break;
2910 default:
2911 DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2912 return -EINVAL;
2913 }
2914
2915 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2916 drv_mb_param, &resp, &param);
2917 if (rc)
2918 DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2919
2920 /* Store the WoL update for a future unload */
2921 p_hwfn->cdev->wol_config = (u8)wol;
2922
2923 return rc;
2924 }
2925
2926 int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2927 struct qed_ptt *p_ptt,
2928 enum qed_ov_eswitch eswitch)
2929 {
2930 u32 resp = 0, param = 0;
2931 u32 drv_mb_param;
2932 int rc;
2933
2934 switch (eswitch) {
2935 case QED_OV_ESWITCH_NONE:
2936 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2937 break;
2938 case QED_OV_ESWITCH_VEB:
2939 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
2940 break;
2941 case QED_OV_ESWITCH_VEPA:
2942 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
2943 break;
2944 default:
2945 DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
2946 return -EINVAL;
2947 }
2948
2949 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
2950 drv_mb_param, &resp, &param);
2951 if (rc)
2952 DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
2953
2954 return rc;
2955 }
2956
2957 int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
2958 struct qed_ptt *p_ptt, enum qed_led_mode mode)
2959 {
2960 u32 resp = 0, param = 0, drv_mb_param;
2961 int rc;
2962
2963 switch (mode) {
2964 case QED_LED_MODE_ON:
2965 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
2966 break;
2967 case QED_LED_MODE_OFF:
2968 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
2969 break;
2970 case QED_LED_MODE_RESTORE:
2971 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
2972 break;
2973 default:
2974 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
2975 return -EINVAL;
2976 }
2977
2978 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
2979 drv_mb_param, &resp, &param);
2980
2981 return rc;
2982 }
2983
2984 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
2985 struct qed_ptt *p_ptt, u32 mask_parities)
2986 {
2987 u32 resp = 0, param = 0;
2988 int rc;
2989
2990 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
2991 mask_parities, &resp, &param);
2992
2993 if (rc) {
2994 DP_ERR(p_hwfn,
2995 "MCP response failure for mask parities, aborting\n");
2996 } else if (resp != FW_MSG_CODE_OK) {
2997 DP_ERR(p_hwfn,
2998 "MCP did not acknowledge mask parity request. Old MFW?\n");
2999 rc = -EINVAL;
3000 }
3001
3002 return rc;
3003 }
3004
3005 int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
3006 {
3007 u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
3008 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3009 u32 resp = 0, resp_param = 0;
3010 struct qed_ptt *p_ptt;
3011 int rc = 0;
3012
3013 p_ptt = qed_ptt_acquire(p_hwfn);
3014 if (!p_ptt)
3015 return -EBUSY;
3016
3017 while (bytes_left > 0) {
3018 bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
3019
3020 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3021 DRV_MSG_CODE_NVM_READ_NVRAM,
3022 addr + offset +
3023 (bytes_to_copy <<
3024 DRV_MB_PARAM_NVM_LEN_OFFSET),
3025 &resp, &resp_param,
3026 &read_len,
3027 (u32 *)(p_buf + offset));
3028
3029 if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
3030 DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
3031 break;
3032 }
3033
3034 /* This can be a lengthy process, and it's possible scheduler
3035 * isn't preemptable. Sleep a bit to prevent CPU hogging.
3036 */
3037 if (bytes_left % 0x1000 <
3038 (bytes_left - read_len) % 0x1000)
3039 usleep_range(1000, 2000);
3040
3041 offset += read_len;
3042 bytes_left -= read_len;
3043 }
3044
3045 cdev->mcp_nvm_resp = resp;
3046 qed_ptt_release(p_hwfn, p_ptt);
3047
3048 return rc;
3049 }
3050
3051 int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
3052 {
3053 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3054 struct qed_ptt *p_ptt;
3055
3056 p_ptt = qed_ptt_acquire(p_hwfn);
3057 if (!p_ptt)
3058 return -EBUSY;
3059
3060 memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
3061 qed_ptt_release(p_hwfn, p_ptt);
3062
3063 return 0;
3064 }
3065
3066 int qed_mcp_nvm_write(struct qed_dev *cdev,
3067 u32 cmd, u32 addr, u8 *p_buf, u32 len)
3068 {
3069 u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
3070 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3071 struct qed_ptt *p_ptt;
3072 int rc = -EINVAL;
3073
3074 p_ptt = qed_ptt_acquire(p_hwfn);
3075 if (!p_ptt)
3076 return -EBUSY;
3077
3078 switch (cmd) {
3079 case QED_PUT_FILE_BEGIN:
3080 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
3081 break;
3082 case QED_PUT_FILE_DATA:
3083 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
3084 break;
3085 case QED_NVM_WRITE_NVRAM:
3086 nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
3087 break;
3088 default:
3089 DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
3090 rc = -EINVAL;
3091 goto out;
3092 }
3093
3094 buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
3095 while (buf_idx < len) {
3096 if (cmd == QED_PUT_FILE_BEGIN)
3097 nvm_offset = addr;
3098 else
3099 nvm_offset = ((buf_size <<
3100 DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
3101 buf_idx;
3102 rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
3103 &resp, &param, buf_size,
3104 (u32 *)&p_buf[buf_idx]);
3105 if (rc) {
3106 DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
3107 resp = FW_MSG_CODE_ERROR;
3108 break;
3109 }
3110
3111 if (resp != FW_MSG_CODE_OK &&
3112 resp != FW_MSG_CODE_NVM_OK &&
3113 resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
3114 DP_NOTICE(cdev,
3115 "nvm write failed, resp = 0x%08x\n", resp);
3116 rc = -EINVAL;
3117 break;
3118 }
3119
3120 /* This can be a lengthy process, and it's possible scheduler
3121 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
3122 */
3123 if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
3124 usleep_range(1000, 2000);
3125
3126 /* For MBI upgrade, MFW response includes the next buffer offset
3127 * to be delivered to MFW.
3128 */
3129 if (param && cmd == QED_PUT_FILE_DATA) {
3130 buf_idx = QED_MFW_GET_FIELD(param,
3131 FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
3132 buf_size = QED_MFW_GET_FIELD(param,
3133 FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
3134 } else {
3135 buf_idx += buf_size;
3136 buf_size = min_t(u32, (len - buf_idx),
3137 MCP_DRV_NVM_BUF_LEN);
3138 }
3139 }
3140
3141 cdev->mcp_nvm_resp = resp;
3142 out:
3143 qed_ptt_release(p_hwfn, p_ptt);
3144
3145 return rc;
3146 }
3147
3148 int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3149 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
3150 {
3151 u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
3152 u32 resp, param;
3153 int rc;
3154
3155 nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
3156 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
3157 nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
3158 DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
3159
3160 addr = offset;
3161 offset = 0;
3162 bytes_left = len;
3163 while (bytes_left > 0) {
3164 bytes_to_copy = min_t(u32, bytes_left,
3165 MAX_I2C_TRANSACTION_SIZE);
3166 nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
3167 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
3168 nvm_offset |= ((addr + offset) <<
3169 DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
3170 DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
3171 nvm_offset |= (bytes_to_copy <<
3172 DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
3173 DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
3174 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3175 DRV_MSG_CODE_TRANSCEIVER_READ,
3176 nvm_offset, &resp, &param, &buf_size,
3177 (u32 *)(p_buf + offset));
3178 if (rc) {
3179 DP_NOTICE(p_hwfn,
3180 "Failed to send a transceiver read command to the MFW. rc = %d.\n",
3181 rc);
3182 return rc;
3183 }
3184
3185 if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
3186 return -ENODEV;
3187 else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
3188 return -EINVAL;
3189
3190 offset += buf_size;
3191 bytes_left -= buf_size;
3192 }
3193
3194 return 0;
3195 }
3196
3197 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3198 {
3199 u32 drv_mb_param = 0, rsp, param;
3200 int rc = 0;
3201
3202 drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3203 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3204
3205 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3206 drv_mb_param, &rsp, &param);
3207
3208 if (rc)
3209 return rc;
3210
3211 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3212 (param != DRV_MB_PARAM_BIST_RC_PASSED))
3213 rc = -EAGAIN;
3214
3215 return rc;
3216 }
3217
3218 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3219 {
3220 u32 drv_mb_param, rsp, param;
3221 int rc = 0;
3222
3223 drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3224 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3225
3226 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3227 drv_mb_param, &rsp, &param);
3228
3229 if (rc)
3230 return rc;
3231
3232 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3233 (param != DRV_MB_PARAM_BIST_RC_PASSED))
3234 rc = -EAGAIN;
3235
3236 return rc;
3237 }
3238
3239 int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3240 struct qed_ptt *p_ptt,
3241 u32 *num_images)
3242 {
3243 u32 drv_mb_param = 0, rsp;
3244 int rc = 0;
3245
3246 drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3247 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3248
3249 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3250 drv_mb_param, &rsp, num_images);
3251 if (rc)
3252 return rc;
3253
3254 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3255 rc = -EINVAL;
3256
3257 return rc;
3258 }
3259
3260 int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3261 struct qed_ptt *p_ptt,
3262 struct bist_nvm_image_att *p_image_att,
3263 u32 image_index)
3264 {
3265 u32 buf_size = 0, param, resp = 0, resp_param = 0;
3266 int rc;
3267
3268 param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3269 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3270 param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3271
3272 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3273 DRV_MSG_CODE_BIST_TEST, param,
3274 &resp, &resp_param,
3275 &buf_size,
3276 (u32 *)p_image_att);
3277 if (rc)
3278 return rc;
3279
3280 if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3281 (p_image_att->return_code != 1))
3282 rc = -EINVAL;
3283
3284 return rc;
3285 }
3286
3287 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3288 {
3289 struct qed_nvm_image_info nvm_info;
3290 struct qed_ptt *p_ptt;
3291 int rc;
3292 u32 i;
3293
3294 if (p_hwfn->nvm_info.valid)
3295 return 0;
3296
3297 p_ptt = qed_ptt_acquire(p_hwfn);
3298 if (!p_ptt) {
3299 DP_ERR(p_hwfn, "failed to acquire ptt\n");
3300 return -EBUSY;
3301 }
3302
3303 /* Acquire from MFW the amount of available images */
3304 nvm_info.num_images = 0;
3305 rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3306 p_ptt, &nvm_info.num_images);
3307 if (rc == -EOPNOTSUPP) {
3308 DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3309 goto out;
3310 } else if (rc || !nvm_info.num_images) {
3311 DP_ERR(p_hwfn, "Failed getting number of images\n");
3312 goto err0;
3313 }
3314
3315 nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3316 sizeof(struct bist_nvm_image_att),
3317 GFP_KERNEL);
3318 if (!nvm_info.image_att) {
3319 rc = -ENOMEM;
3320 goto err0;
3321 }
3322
3323 /* Iterate over images and get their attributes */
3324 for (i = 0; i < nvm_info.num_images; i++) {
3325 rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3326 &nvm_info.image_att[i], i);
3327 if (rc) {
3328 DP_ERR(p_hwfn,
3329 "Failed getting image index %d attributes\n", i);
3330 goto err1;
3331 }
3332
3333 DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3334 nvm_info.image_att[i].len);
3335 }
3336 out:
3337 /* Update hwfn's nvm_info */
3338 if (nvm_info.num_images) {
3339 p_hwfn->nvm_info.num_images = nvm_info.num_images;
3340 kfree(p_hwfn->nvm_info.image_att);
3341 p_hwfn->nvm_info.image_att = nvm_info.image_att;
3342 p_hwfn->nvm_info.valid = true;
3343 }
3344
3345 qed_ptt_release(p_hwfn, p_ptt);
3346 return 0;
3347
3348 err1:
3349 kfree(nvm_info.image_att);
3350 err0:
3351 qed_ptt_release(p_hwfn, p_ptt);
3352 return rc;
3353 }
3354
3355 void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
3356 {
3357 kfree(p_hwfn->nvm_info.image_att);
3358 p_hwfn->nvm_info.image_att = NULL;
3359 p_hwfn->nvm_info.valid = false;
3360 }
3361
3362 int
3363 qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3364 enum qed_nvm_images image_id,
3365 struct qed_nvm_image_att *p_image_att)
3366 {
3367 enum nvm_image_type type;
3368 u32 i;
3369
3370 /* Translate image_id into MFW definitions */
3371 switch (image_id) {
3372 case QED_NVM_IMAGE_ISCSI_CFG:
3373 type = NVM_TYPE_ISCSI_CFG;
3374 break;
3375 case QED_NVM_IMAGE_FCOE_CFG:
3376 type = NVM_TYPE_FCOE_CFG;
3377 break;
3378 case QED_NVM_IMAGE_MDUMP:
3379 type = NVM_TYPE_MDUMP;
3380 break;
3381 case QED_NVM_IMAGE_NVM_CFG1:
3382 type = NVM_TYPE_NVM_CFG1;
3383 break;
3384 case QED_NVM_IMAGE_DEFAULT_CFG:
3385 type = NVM_TYPE_DEFAULT_CFG;
3386 break;
3387 case QED_NVM_IMAGE_NVM_META:
3388 type = NVM_TYPE_META;
3389 break;
3390 default:
3391 DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3392 image_id);
3393 return -EINVAL;
3394 }
3395
3396 qed_mcp_nvm_info_populate(p_hwfn);
3397 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3398 if (type == p_hwfn->nvm_info.image_att[i].image_type)
3399 break;
3400 if (i == p_hwfn->nvm_info.num_images) {
3401 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3402 "Failed to find nvram image of type %08x\n",
3403 image_id);
3404 return -ENOENT;
3405 }
3406
3407 p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3408 p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3409
3410 return 0;
3411 }
3412
3413 int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3414 enum qed_nvm_images image_id,
3415 u8 *p_buffer, u32 buffer_len)
3416 {
3417 struct qed_nvm_image_att image_att;
3418 int rc;
3419
3420 memset(p_buffer, 0, buffer_len);
3421
3422 rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3423 if (rc)
3424 return rc;
3425
3426 /* Validate sizes - both the image's and the supplied buffer's */
3427 if (image_att.length <= 4) {
3428 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3429 "Image [%d] is too small - only %d bytes\n",
3430 image_id, image_att.length);
3431 return -EINVAL;
3432 }
3433
3434 if (image_att.length > buffer_len) {
3435 DP_VERBOSE(p_hwfn,
3436 QED_MSG_STORAGE,
3437 "Image [%d] is too big - %08x bytes where only %08x are available\n",
3438 image_id, image_att.length, buffer_len);
3439 return -ENOMEM;
3440 }
3441
3442 return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3443 p_buffer, image_att.length);
3444 }
3445
3446 static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3447 {
3448 enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3449
3450 switch (res_id) {
3451 case QED_SB:
3452 mfw_res_id = RESOURCE_NUM_SB_E;
3453 break;
3454 case QED_L2_QUEUE:
3455 mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3456 break;
3457 case QED_VPORT:
3458 mfw_res_id = RESOURCE_NUM_VPORT_E;
3459 break;
3460 case QED_RSS_ENG:
3461 mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3462 break;
3463 case QED_PQ:
3464 mfw_res_id = RESOURCE_NUM_PQ_E;
3465 break;
3466 case QED_RL:
3467 mfw_res_id = RESOURCE_NUM_RL_E;
3468 break;
3469 case QED_MAC:
3470 case QED_VLAN:
3471 /* Each VFC resource can accommodate both a MAC and a VLAN */
3472 mfw_res_id = RESOURCE_VFC_FILTER_E;
3473 break;
3474 case QED_ILT:
3475 mfw_res_id = RESOURCE_ILT_E;
3476 break;
3477 case QED_LL2_RAM_QUEUE:
3478 mfw_res_id = RESOURCE_LL2_QUEUE_E;
3479 break;
3480 case QED_LL2_CTX_QUEUE:
3481 mfw_res_id = RESOURCE_LL2_CQS_E;
3482 break;
3483 case QED_RDMA_CNQ_RAM:
3484 case QED_CMDQS_CQS:
3485 /* CNQ/CMDQS are the same resource */
3486 mfw_res_id = RESOURCE_CQS_E;
3487 break;
3488 case QED_RDMA_STATS_QUEUE:
3489 mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3490 break;
3491 case QED_BDQ:
3492 mfw_res_id = RESOURCE_BDQ_E;
3493 break;
3494 default:
3495 break;
3496 }
3497
3498 return mfw_res_id;
3499 }
3500
3501 #define QED_RESC_ALLOC_VERSION_MAJOR 2
3502 #define QED_RESC_ALLOC_VERSION_MINOR 0
3503 #define QED_RESC_ALLOC_VERSION \
3504 ((QED_RESC_ALLOC_VERSION_MAJOR << \
3505 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3506 (QED_RESC_ALLOC_VERSION_MINOR << \
3507 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3508
3509 struct qed_resc_alloc_in_params {
3510 u32 cmd;
3511 enum qed_resources res_id;
3512 u32 resc_max_val;
3513 };
3514
3515 struct qed_resc_alloc_out_params {
3516 u32 mcp_resp;
3517 u32 mcp_param;
3518 u32 resc_num;
3519 u32 resc_start;
3520 u32 vf_resc_num;
3521 u32 vf_resc_start;
3522 u32 flags;
3523 };
3524
3525 static int
3526 qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3527 struct qed_ptt *p_ptt,
3528 struct qed_resc_alloc_in_params *p_in_params,
3529 struct qed_resc_alloc_out_params *p_out_params)
3530 {
3531 struct qed_mcp_mb_params mb_params;
3532 struct resource_info mfw_resc_info;
3533 int rc;
3534
3535 memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3536
3537 mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3538 if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3539 DP_ERR(p_hwfn,
3540 "Failed to match resource %d [%s] with the MFW resources\n",
3541 p_in_params->res_id,
3542 qed_hw_get_resc_name(p_in_params->res_id));
3543 return -EINVAL;
3544 }
3545
3546 switch (p_in_params->cmd) {
3547 case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3548 mfw_resc_info.size = p_in_params->resc_max_val;
3549 fallthrough;
3550 case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3551 break;
3552 default:
3553 DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3554 p_in_params->cmd);
3555 return -EINVAL;
3556 }
3557
3558 memset(&mb_params, 0, sizeof(mb_params));
3559 mb_params.cmd = p_in_params->cmd;
3560 mb_params.param = QED_RESC_ALLOC_VERSION;
3561 mb_params.p_data_src = &mfw_resc_info;
3562 mb_params.data_src_size = sizeof(mfw_resc_info);
3563 mb_params.p_data_dst = mb_params.p_data_src;
3564 mb_params.data_dst_size = mb_params.data_src_size;
3565
3566 DP_VERBOSE(p_hwfn,
3567 QED_MSG_SP,
3568 "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3569 p_in_params->cmd,
3570 p_in_params->res_id,
3571 qed_hw_get_resc_name(p_in_params->res_id),
3572 QED_MFW_GET_FIELD(mb_params.param,
3573 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3574 QED_MFW_GET_FIELD(mb_params.param,
3575 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3576 p_in_params->resc_max_val);
3577
3578 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3579 if (rc)
3580 return rc;
3581
3582 p_out_params->mcp_resp = mb_params.mcp_resp;
3583 p_out_params->mcp_param = mb_params.mcp_param;
3584 p_out_params->resc_num = mfw_resc_info.size;
3585 p_out_params->resc_start = mfw_resc_info.offset;
3586 p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3587 p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3588 p_out_params->flags = mfw_resc_info.flags;
3589
3590 DP_VERBOSE(p_hwfn,
3591 QED_MSG_SP,
3592 "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",
3593 QED_MFW_GET_FIELD(p_out_params->mcp_param,
3594 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3595 QED_MFW_GET_FIELD(p_out_params->mcp_param,
3596 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3597 p_out_params->resc_num,
3598 p_out_params->resc_start,
3599 p_out_params->vf_resc_num,
3600 p_out_params->vf_resc_start, p_out_params->flags);
3601
3602 return 0;
3603 }
3604
3605 int
3606 qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3607 struct qed_ptt *p_ptt,
3608 enum qed_resources res_id,
3609 u32 resc_max_val, u32 *p_mcp_resp)
3610 {
3611 struct qed_resc_alloc_out_params out_params;
3612 struct qed_resc_alloc_in_params in_params;
3613 int rc;
3614
3615 memset(&in_params, 0, sizeof(in_params));
3616 in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3617 in_params.res_id = res_id;
3618 in_params.resc_max_val = resc_max_val;
3619 memset(&out_params, 0, sizeof(out_params));
3620 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3621 &out_params);
3622 if (rc)
3623 return rc;
3624
3625 *p_mcp_resp = out_params.mcp_resp;
3626
3627 return 0;
3628 }
3629
3630 int
3631 qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3632 struct qed_ptt *p_ptt,
3633 enum qed_resources res_id,
3634 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3635 {
3636 struct qed_resc_alloc_out_params out_params;
3637 struct qed_resc_alloc_in_params in_params;
3638 int rc;
3639
3640 memset(&in_params, 0, sizeof(in_params));
3641 in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3642 in_params.res_id = res_id;
3643 memset(&out_params, 0, sizeof(out_params));
3644 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3645 &out_params);
3646 if (rc)
3647 return rc;
3648
3649 *p_mcp_resp = out_params.mcp_resp;
3650
3651 if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3652 *p_resc_num = out_params.resc_num;
3653 *p_resc_start = out_params.resc_start;
3654 }
3655
3656 return 0;
3657 }
3658
3659 int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3660 {
3661 u32 mcp_resp, mcp_param;
3662
3663 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3664 &mcp_resp, &mcp_param);
3665 }
3666
3667 static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3668 struct qed_ptt *p_ptt,
3669 u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3670 {
3671 int rc;
3672
3673 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD, param,
3674 p_mcp_resp, p_mcp_param);
3675 if (rc)
3676 return rc;
3677
3678 if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3679 DP_INFO(p_hwfn,
3680 "The resource command is unsupported by the MFW\n");
3681 return -EINVAL;
3682 }
3683
3684 if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3685 u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3686
3687 DP_NOTICE(p_hwfn,
3688 "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3689 param, opcode);
3690 return -EINVAL;
3691 }
3692
3693 return rc;
3694 }
3695
3696 static int
3697 __qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3698 struct qed_ptt *p_ptt,
3699 struct qed_resc_lock_params *p_params)
3700 {
3701 u32 param = 0, mcp_resp, mcp_param;
3702 u8 opcode;
3703 int rc;
3704
3705 switch (p_params->timeout) {
3706 case QED_MCP_RESC_LOCK_TO_DEFAULT:
3707 opcode = RESOURCE_OPCODE_REQ;
3708 p_params->timeout = 0;
3709 break;
3710 case QED_MCP_RESC_LOCK_TO_NONE:
3711 opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3712 p_params->timeout = 0;
3713 break;
3714 default:
3715 opcode = RESOURCE_OPCODE_REQ_W_AGING;
3716 break;
3717 }
3718
3719 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3720 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3721 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3722
3723 DP_VERBOSE(p_hwfn,
3724 QED_MSG_SP,
3725 "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3726 param, p_params->timeout, opcode, p_params->resource);
3727
3728 /* Attempt to acquire the resource */
3729 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3730 if (rc)
3731 return rc;
3732
3733 /* Analyze the response */
3734 p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3735 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3736
3737 DP_VERBOSE(p_hwfn,
3738 QED_MSG_SP,
3739 "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3740 mcp_param, opcode, p_params->owner);
3741
3742 switch (opcode) {
3743 case RESOURCE_OPCODE_GNT:
3744 p_params->b_granted = true;
3745 break;
3746 case RESOURCE_OPCODE_BUSY:
3747 p_params->b_granted = false;
3748 break;
3749 default:
3750 DP_NOTICE(p_hwfn,
3751 "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3752 mcp_param, opcode);
3753 return -EINVAL;
3754 }
3755
3756 return 0;
3757 }
3758
3759 int
3760 qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3761 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3762 {
3763 u32 retry_cnt = 0;
3764 int rc;
3765
3766 do {
3767 /* No need for an interval before the first iteration */
3768 if (retry_cnt) {
3769 if (p_params->sleep_b4_retry) {
3770 u16 retry_interval_in_ms =
3771 DIV_ROUND_UP(p_params->retry_interval,
3772 1000);
3773
3774 msleep(retry_interval_in_ms);
3775 } else {
3776 udelay(p_params->retry_interval);
3777 }
3778 }
3779
3780 rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3781 if (rc)
3782 return rc;
3783
3784 if (p_params->b_granted)
3785 break;
3786 } while (retry_cnt++ < p_params->retry_num);
3787
3788 return 0;
3789 }
3790
3791 int
3792 qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3793 struct qed_ptt *p_ptt,
3794 struct qed_resc_unlock_params *p_params)
3795 {
3796 u32 param = 0, mcp_resp, mcp_param;
3797 u8 opcode;
3798 int rc;
3799
3800 opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3801 : RESOURCE_OPCODE_RELEASE;
3802 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3803 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3804
3805 DP_VERBOSE(p_hwfn, QED_MSG_SP,
3806 "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3807 param, opcode, p_params->resource);
3808
3809 /* Attempt to release the resource */
3810 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3811 if (rc)
3812 return rc;
3813
3814 /* Analyze the response */
3815 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3816
3817 DP_VERBOSE(p_hwfn, QED_MSG_SP,
3818 "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3819 mcp_param, opcode);
3820
3821 switch (opcode) {
3822 case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3823 DP_INFO(p_hwfn,
3824 "Resource unlock request for an already released resource [%d]\n",
3825 p_params->resource);
3826 fallthrough;
3827 case RESOURCE_OPCODE_RELEASED:
3828 p_params->b_released = true;
3829 break;
3830 case RESOURCE_OPCODE_WRONG_OWNER:
3831 p_params->b_released = false;
3832 break;
3833 default:
3834 DP_NOTICE(p_hwfn,
3835 "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3836 mcp_param, opcode);
3837 return -EINVAL;
3838 }
3839
3840 return 0;
3841 }
3842
3843 void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3844 struct qed_resc_unlock_params *p_unlock,
3845 enum qed_resc_lock
3846 resource, bool b_is_permanent)
3847 {
3848 if (p_lock) {
3849 memset(p_lock, 0, sizeof(*p_lock));
3850
3851 /* Permanent resources don't require aging, and there's no
3852 * point in trying to acquire them more than once since it's
3853 * unexpected another entity would release them.
3854 */
3855 if (b_is_permanent) {
3856 p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3857 } else {
3858 p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3859 p_lock->retry_interval =
3860 QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3861 p_lock->sleep_b4_retry = true;
3862 }
3863
3864 p_lock->resource = resource;
3865 }
3866
3867 if (p_unlock) {
3868 memset(p_unlock, 0, sizeof(*p_unlock));
3869 p_unlock->resource = resource;
3870 }
3871 }
3872
3873 bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3874 {
3875 return !!(p_hwfn->mcp_info->capabilities &
3876 FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3877 }
3878
3879 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3880 {
3881 u32 mcp_resp;
3882 int rc;
3883
3884 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3885 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3886 if (!rc)
3887 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3888 "MFW supported features: %08x\n",
3889 p_hwfn->mcp_info->capabilities);
3890
3891 return rc;
3892 }
3893
3894 int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3895 {
3896 u32 mcp_resp, mcp_param, features;
3897
3898 features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3899 DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK |
3900 DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL;
3901
3902 if (QED_IS_E5(p_hwfn->cdev))
3903 features |=
3904 DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EXT_SPEED_FEC_CONTROL;
3905
3906 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3907 features, &mcp_resp, &mcp_param);
3908 }
3909
3910 int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3911 {
3912 struct qed_mcp_mb_params mb_params = {0};
3913 struct qed_dev *cdev = p_hwfn->cdev;
3914 u8 fir_valid, l2_valid;
3915 int rc;
3916
3917 mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3918 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3919 if (rc)
3920 return rc;
3921
3922 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3923 DP_INFO(p_hwfn,
3924 "The get_engine_config command is unsupported by the MFW\n");
3925 return -EOPNOTSUPP;
3926 }
3927
3928 fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3929 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3930 if (fir_valid)
3931 cdev->fir_affin =
3932 QED_MFW_GET_FIELD(mb_params.mcp_param,
3933 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3934
3935 l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3936 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
3937 if (l2_valid)
3938 cdev->l2_affin_hint =
3939 QED_MFW_GET_FIELD(mb_params.mcp_param,
3940 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
3941
3942 DP_INFO(p_hwfn,
3943 "Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
3944 fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
3945
3946 return 0;
3947 }
3948
3949 int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3950 {
3951 struct qed_mcp_mb_params mb_params = {0};
3952 struct qed_dev *cdev = p_hwfn->cdev;
3953 int rc;
3954
3955 mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
3956 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3957 if (rc)
3958 return rc;
3959
3960 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3961 DP_INFO(p_hwfn,
3962 "The get_ppfid_bitmap command is unsupported by the MFW\n");
3963 return -EOPNOTSUPP;
3964 }
3965
3966 cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
3967 FW_MB_PARAM_PPFID_BITMAP);
3968
3969 DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
3970 cdev->ppfid_bitmap);
3971
3972 return 0;
3973 }
3974
3975 int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3976 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
3977 u32 *p_len)
3978 {
3979 u32 mb_param = 0, resp, param;
3980 int rc;
3981
3982 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
3983 if (flags & QED_NVM_CFG_OPTION_INIT)
3984 QED_MFW_SET_FIELD(mb_param,
3985 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
3986 if (flags & QED_NVM_CFG_OPTION_FREE)
3987 QED_MFW_SET_FIELD(mb_param,
3988 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
3989 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
3990 QED_MFW_SET_FIELD(mb_param,
3991 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
3992 QED_MFW_SET_FIELD(mb_param,
3993 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
3994 entity_id);
3995 }
3996
3997 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3998 DRV_MSG_CODE_GET_NVM_CFG_OPTION,
3999 mb_param, &resp, &param, p_len, (u32 *)p_buf);
4000
4001 return rc;
4002 }
4003
4004 int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4005 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4006 u32 len)
4007 {
4008 u32 mb_param = 0, resp, param;
4009
4010 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4011 if (flags & QED_NVM_CFG_OPTION_ALL)
4012 QED_MFW_SET_FIELD(mb_param,
4013 DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
4014 if (flags & QED_NVM_CFG_OPTION_INIT)
4015 QED_MFW_SET_FIELD(mb_param,
4016 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4017 if (flags & QED_NVM_CFG_OPTION_COMMIT)
4018 QED_MFW_SET_FIELD(mb_param,
4019 DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
4020 if (flags & QED_NVM_CFG_OPTION_FREE)
4021 QED_MFW_SET_FIELD(mb_param,
4022 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4023 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4024 QED_MFW_SET_FIELD(mb_param,
4025 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4026 QED_MFW_SET_FIELD(mb_param,
4027 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4028 entity_id);
4029 }
4030
4031 return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
4032 DRV_MSG_CODE_SET_NVM_CFG_OPTION,
4033 mb_param, &resp, &param, len, (u32 *)p_buf);
4034 }
4035
4036 #define QED_MCP_DBG_DATA_MAX_SIZE MCP_DRV_NVM_BUF_LEN
4037 #define QED_MCP_DBG_DATA_MAX_HEADER_SIZE sizeof(u32)
4038 #define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
4039 (QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
4040
4041 static int
4042 __qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4043 struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
4044 {
4045 struct qed_mcp_mb_params mb_params;
4046 int rc;
4047
4048 if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
4049 DP_ERR(p_hwfn,
4050 "Debug data size is %d while it should not exceed %d\n",
4051 size, QED_MCP_DBG_DATA_MAX_SIZE);
4052 return -EINVAL;
4053 }
4054
4055 memset(&mb_params, 0, sizeof(mb_params));
4056 mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
4057 SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
4058 mb_params.p_data_src = p_buf;
4059 mb_params.data_src_size = size;
4060 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4061 if (rc)
4062 return rc;
4063
4064 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4065 DP_INFO(p_hwfn,
4066 "The DEBUG_DATA_SEND command is unsupported by the MFW\n");
4067 return -EOPNOTSUPP;
4068 } else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
4069 DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
4070 return -EBUSY;
4071 } else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
4072 DP_NOTICE(p_hwfn,
4073 "Failed to send debug data to the MFW [resp 0x%08x]\n",
4074 mb_params.mcp_resp);
4075 return -EINVAL;
4076 }
4077
4078 return 0;
4079 }
4080
4081 enum qed_mcp_dbg_data_type {
4082 QED_MCP_DBG_DATA_TYPE_RAW,
4083 };
4084
4085 /* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
4086 #define QED_MCP_DBG_DATA_HDR_SN_OFFSET 0
4087 #define QED_MCP_DBG_DATA_HDR_SN_MASK 0x00000fff
4088 #define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET 12
4089 #define QED_MCP_DBG_DATA_HDR_TYPE_MASK 0x000ff000
4090 #define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET 20
4091 #define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
4092 #define QED_MCP_DBG_DATA_HDR_PF_OFFSET 28
4093 #define QED_MCP_DBG_DATA_HDR_PF_MASK 0xf0000000
4094
4095 #define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST 0x1
4096 #define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
4097
4098 static int
4099 qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4100 struct qed_ptt *p_ptt,
4101 enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
4102 {
4103 u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
4104 u32 tmp_size = size, *p_header, *p_payload;
4105 u8 flags = 0;
4106 u16 seq;
4107 int rc;
4108
4109 p_header = (u32 *)raw_data;
4110 p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
4111
4112 seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
4113
4114 /* First chunk is marked as 'first' */
4115 flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4116
4117 *p_header = 0;
4118 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
4119 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
4120 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4121 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
4122
4123 while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
4124 memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
4125 rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4126 QED_MCP_DBG_DATA_MAX_SIZE);
4127 if (rc)
4128 return rc;
4129
4130 /* Clear the 'first' marking after sending the first chunk */
4131 if (p_tmp_buf == p_buf) {
4132 flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4133 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
4134 flags);
4135 }
4136
4137 p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4138 tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4139 }
4140
4141 /* Last chunk is marked as 'last' */
4142 flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
4143 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4144 memcpy(p_payload, p_tmp_buf, tmp_size);
4145
4146 /* Casting the left size to u8 is ok since at this point it is <= 32 */
4147 return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4148 (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
4149 tmp_size));
4150 }
4151
4152 int
4153 qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
4154 struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
4155 {
4156 return qed_mcp_send_debug_data(p_hwfn, p_ptt,
4157 QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
4158 }
Linux with added FPC-III support