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1/* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#include <linux/types.h>
34#include <asm/byteorder.h>
35#include <linux/delay.h>
36#include <linux/errno.h>
37#include <linux/kernel.h>
38#include <linux/slab.h>
39#include <linux/spinlock.h>
40#include <linux/string.h>
41#include <linux/etherdevice.h>
42#include "qed.h"
43#include "qed_dcbx.h"
44#include "qed_hsi.h"
45#include "qed_hw.h"
46#include "qed_mcp.h"
47#include "qed_reg_addr.h"
48#include "qed_sriov.h"
49
50#define CHIP_MCP_RESP_ITER_US 10
51
52#define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */
53#define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */
54
55#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \
56 qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
57 _val)
58
59#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
60 qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
61
62#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \
63 DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
64 offsetof(struct public_drv_mb, _field), _val)
65
66#define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \
67 DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
68 offsetof(struct public_drv_mb, _field))
69
70#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
71 DRV_ID_PDA_COMP_VER_SHIFT)
72
73#define MCP_BYTES_PER_MBIT_SHIFT 17
74
75bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
76{
77 if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
78 return false;
79 return true;
80}
81
82void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
83{
84 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
85 PUBLIC_PORT);
86 u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
87
88 p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
89 MFW_PORT(p_hwfn));
90 DP_VERBOSE(p_hwfn, QED_MSG_SP,
91 "port_addr = 0x%x, port_id 0x%02x\n",
92 p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
93}
94
95void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
96{
97 u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
98 u32 tmp, i;
99
100 if (!p_hwfn->mcp_info->public_base)
101 return;
102
103 for (i = 0; i < length; i++) {
104 tmp = qed_rd(p_hwfn, p_ptt,
105 p_hwfn->mcp_info->mfw_mb_addr +
106 (i << 2) + sizeof(u32));
107
108 /* The MB data is actually BE; Need to force it to cpu */
109 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
110 be32_to_cpu((__force __be32)tmp);
111 }
112}
113
114struct qed_mcp_cmd_elem {
115 struct list_head list;
116 struct qed_mcp_mb_params *p_mb_params;
117 u16 expected_seq_num;
118 bool b_is_completed;
119};
120
121/* Must be called while cmd_lock is acquired */
122static struct qed_mcp_cmd_elem *
123qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
124 struct qed_mcp_mb_params *p_mb_params,
125 u16 expected_seq_num)
126{
127 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
128
129 p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
130 if (!p_cmd_elem)
131 goto out;
132
133 p_cmd_elem->p_mb_params = p_mb_params;
134 p_cmd_elem->expected_seq_num = expected_seq_num;
135 list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
136out:
137 return p_cmd_elem;
138}
139
140/* Must be called while cmd_lock is acquired */
141static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
142 struct qed_mcp_cmd_elem *p_cmd_elem)
143{
144 list_del(&p_cmd_elem->list);
145 kfree(p_cmd_elem);
146}
147
148/* Must be called while cmd_lock is acquired */
149static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
150 u16 seq_num)
151{
152 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
153
154 list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
155 if (p_cmd_elem->expected_seq_num == seq_num)
156 return p_cmd_elem;
157 }
158
159 return NULL;
160}
161
162int qed_mcp_free(struct qed_hwfn *p_hwfn)
163{
164 if (p_hwfn->mcp_info) {
165 struct qed_mcp_cmd_elem *p_cmd_elem, *p_tmp;
166
167 kfree(p_hwfn->mcp_info->mfw_mb_cur);
168 kfree(p_hwfn->mcp_info->mfw_mb_shadow);
169
170 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
171 list_for_each_entry_safe(p_cmd_elem,
172 p_tmp,
173 &p_hwfn->mcp_info->cmd_list, list) {
174 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
175 }
176 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
177 }
178
179 kfree(p_hwfn->mcp_info);
180 p_hwfn->mcp_info = NULL;
181
182 return 0;
183}
184
185static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
186{
187 struct qed_mcp_info *p_info = p_hwfn->mcp_info;
188 u32 drv_mb_offsize, mfw_mb_offsize;
189 u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
190
191 p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
192 if (!p_info->public_base)
193 return 0;
194
195 p_info->public_base |= GRCBASE_MCP;
196
197 /* Calculate the driver and MFW mailbox address */
198 drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
199 SECTION_OFFSIZE_ADDR(p_info->public_base,
200 PUBLIC_DRV_MB));
201 p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
202 DP_VERBOSE(p_hwfn, QED_MSG_SP,
203 "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
204 drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
205
206 /* Set the MFW MB address */
207 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
208 SECTION_OFFSIZE_ADDR(p_info->public_base,
209 PUBLIC_MFW_MB));
210 p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
211 p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr);
212
213 /* Get the current driver mailbox sequence before sending
214 * the first command
215 */
216 p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
217 DRV_MSG_SEQ_NUMBER_MASK;
218
219 /* Get current FW pulse sequence */
220 p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
221 DRV_PULSE_SEQ_MASK;
222
223 p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
224
225 return 0;
226}
227
228int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
229{
230 struct qed_mcp_info *p_info;
231 u32 size;
232
233 /* Allocate mcp_info structure */
234 p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
235 if (!p_hwfn->mcp_info)
236 goto err;
237 p_info = p_hwfn->mcp_info;
238
239 /* Initialize the MFW spinlock */
240 spin_lock_init(&p_info->cmd_lock);
241 spin_lock_init(&p_info->link_lock);
242
243 INIT_LIST_HEAD(&p_info->cmd_list);
244
245 if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
246 DP_NOTICE(p_hwfn, "MCP is not initialized\n");
247 /* Do not free mcp_info here, since public_base indicate that
248 * the MCP is not initialized
249 */
250 return 0;
251 }
252
253 size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
254 p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
255 p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
256 if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
257 goto err;
258
259 return 0;
260
261err:
262 qed_mcp_free(p_hwfn);
263 return -ENOMEM;
264}
265
266static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
267 struct qed_ptt *p_ptt)
268{
269 u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
270
271 /* Use MCP history register to check if MCP reset occurred between init
272 * time and now.
273 */
274 if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
275 DP_VERBOSE(p_hwfn,
276 QED_MSG_SP,
277 "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
278 p_hwfn->mcp_info->mcp_hist, generic_por_0);
279
280 qed_load_mcp_offsets(p_hwfn, p_ptt);
281 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
282 }
283}
284
285int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
286{
287 u32 org_mcp_reset_seq, seq, delay = CHIP_MCP_RESP_ITER_US, cnt = 0;
288 int rc = 0;
289
290 /* Ensure that only a single thread is accessing the mailbox */
291 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
292
293 org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
294
295 /* Set drv command along with the updated sequence */
296 qed_mcp_reread_offsets(p_hwfn, p_ptt);
297 seq = ++p_hwfn->mcp_info->drv_mb_seq;
298 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
299
300 do {
301 /* Wait for MFW response */
302 udelay(delay);
303 /* Give the FW up to 500 second (50*1000*10usec) */
304 } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
305 MISCS_REG_GENERIC_POR_0)) &&
306 (cnt++ < QED_MCP_RESET_RETRIES));
307
308 if (org_mcp_reset_seq !=
309 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
310 DP_VERBOSE(p_hwfn, QED_MSG_SP,
311 "MCP was reset after %d usec\n", cnt * delay);
312 } else {
313 DP_ERR(p_hwfn, "Failed to reset MCP\n");
314 rc = -EAGAIN;
315 }
316
317 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
318
319 return rc;
320}
321
322/* Must be called while cmd_lock is acquired */
323static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
324{
325 struct qed_mcp_cmd_elem *p_cmd_elem;
326
327 /* There is at most one pending command at a certain time, and if it
328 * exists - it is placed at the HEAD of the list.
329 */
330 if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
331 p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
332 struct qed_mcp_cmd_elem, list);
333 return !p_cmd_elem->b_is_completed;
334 }
335
336 return false;
337}
338
339/* Must be called while cmd_lock is acquired */
340static int
341qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
342{
343 struct qed_mcp_mb_params *p_mb_params;
344 struct qed_mcp_cmd_elem *p_cmd_elem;
345 u32 mcp_resp;
346 u16 seq_num;
347
348 mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
349 seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
350
351 /* Return if no new non-handled response has been received */
352 if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
353 return -EAGAIN;
354
355 p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
356 if (!p_cmd_elem) {
357 DP_ERR(p_hwfn,
358 "Failed to find a pending mailbox cmd that expects sequence number %d\n",
359 seq_num);
360 return -EINVAL;
361 }
362
363 p_mb_params = p_cmd_elem->p_mb_params;
364
365 /* Get the MFW response along with the sequence number */
366 p_mb_params->mcp_resp = mcp_resp;
367
368 /* Get the MFW param */
369 p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
370
371 /* Get the union data */
372 if (p_mb_params->p_data_dst != NULL && p_mb_params->data_dst_size) {
373 u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
374 offsetof(struct public_drv_mb,
375 union_data);
376 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
377 union_data_addr, p_mb_params->data_dst_size);
378 }
379
380 p_cmd_elem->b_is_completed = true;
381
382 return 0;
383}
384
385/* Must be called while cmd_lock is acquired */
386static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
387 struct qed_ptt *p_ptt,
388 struct qed_mcp_mb_params *p_mb_params,
389 u16 seq_num)
390{
391 union drv_union_data union_data;
392 u32 union_data_addr;
393
394 /* Set the union data */
395 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
396 offsetof(struct public_drv_mb, union_data);
397 memset(&union_data, 0, sizeof(union_data));
398 if (p_mb_params->p_data_src != NULL && p_mb_params->data_src_size)
399 memcpy(&union_data, p_mb_params->p_data_src,
400 p_mb_params->data_src_size);
401 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
402 sizeof(union_data));
403
404 /* Set the drv param */
405 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
406
407 /* Set the drv command along with the sequence number */
408 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
409
410 DP_VERBOSE(p_hwfn, QED_MSG_SP,
411 "MFW mailbox: command 0x%08x param 0x%08x\n",
412 (p_mb_params->cmd | seq_num), p_mb_params->param);
413}
414
415static int
416_qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
417 struct qed_ptt *p_ptt,
418 struct qed_mcp_mb_params *p_mb_params,
419 u32 max_retries, u32 delay)
420{
421 struct qed_mcp_cmd_elem *p_cmd_elem;
422 u32 cnt = 0;
423 u16 seq_num;
424 int rc = 0;
425
426 /* Wait until the mailbox is non-occupied */
427 do {
428 /* Exit the loop if there is no pending command, or if the
429 * pending command is completed during this iteration.
430 * The spinlock stays locked until the command is sent.
431 */
432
433 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
434
435 if (!qed_mcp_has_pending_cmd(p_hwfn))
436 break;
437
438 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
439 if (!rc)
440 break;
441 else if (rc != -EAGAIN)
442 goto err;
443
444 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
445 udelay(delay);
446 } while (++cnt < max_retries);
447
448 if (cnt >= max_retries) {
449 DP_NOTICE(p_hwfn,
450 "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
451 p_mb_params->cmd, p_mb_params->param);
452 return -EAGAIN;
453 }
454
455 /* Send the mailbox command */
456 qed_mcp_reread_offsets(p_hwfn, p_ptt);
457 seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
458 p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
459 if (!p_cmd_elem) {
460 rc = -ENOMEM;
461 goto err;
462 }
463
464 __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
465 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
466
467 /* Wait for the MFW response */
468 do {
469 /* Exit the loop if the command is already completed, or if the
470 * command is completed during this iteration.
471 * The spinlock stays locked until the list element is removed.
472 */
473
474 udelay(delay);
475 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
476
477 if (p_cmd_elem->b_is_completed)
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 } while (++cnt < max_retries);
488
489 if (cnt >= max_retries) {
490 DP_NOTICE(p_hwfn,
491 "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
492 p_mb_params->cmd, p_mb_params->param);
493
494 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
495 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
496 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
497
498 return -EAGAIN;
499 }
500
501 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
502 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
503
504 DP_VERBOSE(p_hwfn,
505 QED_MSG_SP,
506 "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
507 p_mb_params->mcp_resp,
508 p_mb_params->mcp_param,
509 (cnt * delay) / 1000, (cnt * delay) % 1000);
510
511 /* Clear the sequence number from the MFW response */
512 p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
513
514 return 0;
515
516err:
517 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
518 return rc;
519}
520
521static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
522 struct qed_ptt *p_ptt,
523 struct qed_mcp_mb_params *p_mb_params)
524{
525 size_t union_data_size = sizeof(union drv_union_data);
526 u32 max_retries = QED_DRV_MB_MAX_RETRIES;
527 u32 delay = CHIP_MCP_RESP_ITER_US;
528
529 /* MCP not initialized */
530 if (!qed_mcp_is_init(p_hwfn)) {
531 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
532 return -EBUSY;
533 }
534
535 if (p_mb_params->data_src_size > union_data_size ||
536 p_mb_params->data_dst_size > union_data_size) {
537 DP_ERR(p_hwfn,
538 "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
539 p_mb_params->data_src_size,
540 p_mb_params->data_dst_size, union_data_size);
541 return -EINVAL;
542 }
543
544 return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
545 delay);
546}
547
548int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
549 struct qed_ptt *p_ptt,
550 u32 cmd,
551 u32 param,
552 u32 *o_mcp_resp,
553 u32 *o_mcp_param)
554{
555 struct qed_mcp_mb_params mb_params;
556 int rc;
557
558 memset(&mb_params, 0, sizeof(mb_params));
559 mb_params.cmd = cmd;
560 mb_params.param = param;
561
562 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
563 if (rc)
564 return rc;
565
566 *o_mcp_resp = mb_params.mcp_resp;
567 *o_mcp_param = mb_params.mcp_param;
568
569 return 0;
570}
571
572int qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
573 struct qed_ptt *p_ptt,
574 u32 cmd,
575 u32 param,
576 u32 *o_mcp_resp,
577 u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
578{
579 struct qed_mcp_mb_params mb_params;
580 int rc;
581
582 memset(&mb_params, 0, sizeof(mb_params));
583 mb_params.cmd = cmd;
584 mb_params.param = param;
585 mb_params.p_data_src = i_buf;
586 mb_params.data_src_size = (u8)i_txn_size;
587 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
588 if (rc)
589 return rc;
590
591 *o_mcp_resp = mb_params.mcp_resp;
592 *o_mcp_param = mb_params.mcp_param;
593
594 return 0;
595}
596
597int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
598 struct qed_ptt *p_ptt,
599 u32 cmd,
600 u32 param,
601 u32 *o_mcp_resp,
602 u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf)
603{
604 struct qed_mcp_mb_params mb_params;
605 u8 raw_data[MCP_DRV_NVM_BUF_LEN];
606 int rc;
607
608 memset(&mb_params, 0, sizeof(mb_params));
609 mb_params.cmd = cmd;
610 mb_params.param = param;
611 mb_params.p_data_dst = raw_data;
612
613 /* Use the maximal value since the actual one is part of the response */
614 mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
615
616 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
617 if (rc)
618 return rc;
619
620 *o_mcp_resp = mb_params.mcp_resp;
621 *o_mcp_param = mb_params.mcp_param;
622
623 *o_txn_size = *o_mcp_param;
624 memcpy(o_buf, raw_data, *o_txn_size);
625
626 return 0;
627}
628
629static bool
630qed_mcp_can_force_load(u8 drv_role,
631 u8 exist_drv_role,
632 enum qed_override_force_load override_force_load)
633{
634 bool can_force_load = false;
635
636 switch (override_force_load) {
637 case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
638 can_force_load = true;
639 break;
640 case QED_OVERRIDE_FORCE_LOAD_NEVER:
641 can_force_load = false;
642 break;
643 default:
644 can_force_load = (drv_role == DRV_ROLE_OS &&
645 exist_drv_role == DRV_ROLE_PREBOOT) ||
646 (drv_role == DRV_ROLE_KDUMP &&
647 exist_drv_role == DRV_ROLE_OS);
648 break;
649 }
650
651 return can_force_load;
652}
653
654static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
655 struct qed_ptt *p_ptt)
656{
657 u32 resp = 0, param = 0;
658 int rc;
659
660 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
661 &resp, ¶m);
662 if (rc)
663 DP_NOTICE(p_hwfn,
664 "Failed to send cancel load request, rc = %d\n", rc);
665
666 return rc;
667}
668
669#define CONFIG_QEDE_BITMAP_IDX BIT(0)
670#define CONFIG_QED_SRIOV_BITMAP_IDX BIT(1)
671#define CONFIG_QEDR_BITMAP_IDX BIT(2)
672#define CONFIG_QEDF_BITMAP_IDX BIT(4)
673#define CONFIG_QEDI_BITMAP_IDX BIT(5)
674#define CONFIG_QED_LL2_BITMAP_IDX BIT(6)
675
676static u32 qed_get_config_bitmap(void)
677{
678 u32 config_bitmap = 0x0;
679
680 if (IS_ENABLED(CONFIG_QEDE))
681 config_bitmap |= CONFIG_QEDE_BITMAP_IDX;
682
683 if (IS_ENABLED(CONFIG_QED_SRIOV))
684 config_bitmap |= CONFIG_QED_SRIOV_BITMAP_IDX;
685
686 if (IS_ENABLED(CONFIG_QED_RDMA))
687 config_bitmap |= CONFIG_QEDR_BITMAP_IDX;
688
689 if (IS_ENABLED(CONFIG_QED_FCOE))
690 config_bitmap |= CONFIG_QEDF_BITMAP_IDX;
691
692 if (IS_ENABLED(CONFIG_QED_ISCSI))
693 config_bitmap |= CONFIG_QEDI_BITMAP_IDX;
694
695 if (IS_ENABLED(CONFIG_QED_LL2))
696 config_bitmap |= CONFIG_QED_LL2_BITMAP_IDX;
697
698 return config_bitmap;
699}
700
701struct qed_load_req_in_params {
702 u8 hsi_ver;
703#define QED_LOAD_REQ_HSI_VER_DEFAULT 0
704#define QED_LOAD_REQ_HSI_VER_1 1
705 u32 drv_ver_0;
706 u32 drv_ver_1;
707 u32 fw_ver;
708 u8 drv_role;
709 u8 timeout_val;
710 u8 force_cmd;
711 bool avoid_eng_reset;
712};
713
714struct qed_load_req_out_params {
715 u32 load_code;
716 u32 exist_drv_ver_0;
717 u32 exist_drv_ver_1;
718 u32 exist_fw_ver;
719 u8 exist_drv_role;
720 u8 mfw_hsi_ver;
721 bool drv_exists;
722};
723
724static int
725__qed_mcp_load_req(struct qed_hwfn *p_hwfn,
726 struct qed_ptt *p_ptt,
727 struct qed_load_req_in_params *p_in_params,
728 struct qed_load_req_out_params *p_out_params)
729{
730 struct qed_mcp_mb_params mb_params;
731 struct load_req_stc load_req;
732 struct load_rsp_stc load_rsp;
733 u32 hsi_ver;
734 int rc;
735
736 memset(&load_req, 0, sizeof(load_req));
737 load_req.drv_ver_0 = p_in_params->drv_ver_0;
738 load_req.drv_ver_1 = p_in_params->drv_ver_1;
739 load_req.fw_ver = p_in_params->fw_ver;
740 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
741 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
742 p_in_params->timeout_val);
743 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
744 p_in_params->force_cmd);
745 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
746 p_in_params->avoid_eng_reset);
747
748 hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
749 DRV_ID_MCP_HSI_VER_CURRENT :
750 (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
751
752 memset(&mb_params, 0, sizeof(mb_params));
753 mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
754 mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
755 mb_params.p_data_src = &load_req;
756 mb_params.data_src_size = sizeof(load_req);
757 mb_params.p_data_dst = &load_rsp;
758 mb_params.data_dst_size = sizeof(load_rsp);
759
760 DP_VERBOSE(p_hwfn, QED_MSG_SP,
761 "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
762 mb_params.param,
763 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
764 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
765 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
766 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
767
768 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
769 DP_VERBOSE(p_hwfn, QED_MSG_SP,
770 "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",
771 load_req.drv_ver_0,
772 load_req.drv_ver_1,
773 load_req.fw_ver,
774 load_req.misc0,
775 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
776 QED_MFW_GET_FIELD(load_req.misc0,
777 LOAD_REQ_LOCK_TO),
778 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
779 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
780 }
781
782 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
783 if (rc) {
784 DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
785 return rc;
786 }
787
788 DP_VERBOSE(p_hwfn, QED_MSG_SP,
789 "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
790 p_out_params->load_code = mb_params.mcp_resp;
791
792 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
793 p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
794 DP_VERBOSE(p_hwfn,
795 QED_MSG_SP,
796 "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",
797 load_rsp.drv_ver_0,
798 load_rsp.drv_ver_1,
799 load_rsp.fw_ver,
800 load_rsp.misc0,
801 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
802 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
803 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
804
805 p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
806 p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
807 p_out_params->exist_fw_ver = load_rsp.fw_ver;
808 p_out_params->exist_drv_role =
809 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
810 p_out_params->mfw_hsi_ver =
811 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
812 p_out_params->drv_exists =
813 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
814 LOAD_RSP_FLAGS0_DRV_EXISTS;
815 }
816
817 return 0;
818}
819
820static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
821 enum qed_drv_role drv_role,
822 u8 *p_mfw_drv_role)
823{
824 switch (drv_role) {
825 case QED_DRV_ROLE_OS:
826 *p_mfw_drv_role = DRV_ROLE_OS;
827 break;
828 case QED_DRV_ROLE_KDUMP:
829 *p_mfw_drv_role = DRV_ROLE_KDUMP;
830 break;
831 default:
832 DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
833 return -EINVAL;
834 }
835
836 return 0;
837}
838
839enum qed_load_req_force {
840 QED_LOAD_REQ_FORCE_NONE,
841 QED_LOAD_REQ_FORCE_PF,
842 QED_LOAD_REQ_FORCE_ALL,
843};
844
845static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
846
847 enum qed_load_req_force force_cmd,
848 u8 *p_mfw_force_cmd)
849{
850 switch (force_cmd) {
851 case QED_LOAD_REQ_FORCE_NONE:
852 *p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
853 break;
854 case QED_LOAD_REQ_FORCE_PF:
855 *p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
856 break;
857 case QED_LOAD_REQ_FORCE_ALL:
858 *p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
859 break;
860 }
861}
862
863int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
864 struct qed_ptt *p_ptt,
865 struct qed_load_req_params *p_params)
866{
867 struct qed_load_req_out_params out_params;
868 struct qed_load_req_in_params in_params;
869 u8 mfw_drv_role, mfw_force_cmd;
870 int rc;
871
872 memset(&in_params, 0, sizeof(in_params));
873 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
874 in_params.drv_ver_0 = QED_VERSION;
875 in_params.drv_ver_1 = qed_get_config_bitmap();
876 in_params.fw_ver = STORM_FW_VERSION;
877 rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
878 if (rc)
879 return rc;
880
881 in_params.drv_role = mfw_drv_role;
882 in_params.timeout_val = p_params->timeout_val;
883 qed_get_mfw_force_cmd(p_hwfn,
884 QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
885
886 in_params.force_cmd = mfw_force_cmd;
887 in_params.avoid_eng_reset = p_params->avoid_eng_reset;
888
889 memset(&out_params, 0, sizeof(out_params));
890 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
891 if (rc)
892 return rc;
893
894 /* First handle cases where another load request should/might be sent:
895 * - MFW expects the old interface [HSI version = 1]
896 * - MFW responds that a force load request is required
897 */
898 if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
899 DP_INFO(p_hwfn,
900 "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
901
902 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
903 memset(&out_params, 0, sizeof(out_params));
904 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
905 if (rc)
906 return rc;
907 } else if (out_params.load_code ==
908 FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
909 if (qed_mcp_can_force_load(in_params.drv_role,
910 out_params.exist_drv_role,
911 p_params->override_force_load)) {
912 DP_INFO(p_hwfn,
913 "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",
914 in_params.drv_role, in_params.fw_ver,
915 in_params.drv_ver_0, in_params.drv_ver_1,
916 out_params.exist_drv_role,
917 out_params.exist_fw_ver,
918 out_params.exist_drv_ver_0,
919 out_params.exist_drv_ver_1);
920
921 qed_get_mfw_force_cmd(p_hwfn,
922 QED_LOAD_REQ_FORCE_ALL,
923 &mfw_force_cmd);
924
925 in_params.force_cmd = mfw_force_cmd;
926 memset(&out_params, 0, sizeof(out_params));
927 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
928 &out_params);
929 if (rc)
930 return rc;
931 } else {
932 DP_NOTICE(p_hwfn,
933 "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",
934 in_params.drv_role, in_params.fw_ver,
935 in_params.drv_ver_0, in_params.drv_ver_1,
936 out_params.exist_drv_role,
937 out_params.exist_fw_ver,
938 out_params.exist_drv_ver_0,
939 out_params.exist_drv_ver_1);
940 DP_NOTICE(p_hwfn,
941 "Avoid sending a force load request to prevent disruption of active PFs\n");
942
943 qed_mcp_cancel_load_req(p_hwfn, p_ptt);
944 return -EBUSY;
945 }
946 }
947
948 /* Now handle the other types of responses.
949 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
950 * expected here after the additional revised load requests were sent.
951 */
952 switch (out_params.load_code) {
953 case FW_MSG_CODE_DRV_LOAD_ENGINE:
954 case FW_MSG_CODE_DRV_LOAD_PORT:
955 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
956 if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
957 out_params.drv_exists) {
958 /* The role and fw/driver version match, but the PF is
959 * already loaded and has not been unloaded gracefully.
960 */
961 DP_NOTICE(p_hwfn,
962 "PF is already loaded\n");
963 return -EINVAL;
964 }
965 break;
966 default:
967 DP_NOTICE(p_hwfn,
968 "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
969 out_params.load_code);
970 return -EBUSY;
971 }
972
973 p_params->load_code = out_params.load_code;
974
975 return 0;
976}
977
978int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
979{
980 u32 wol_param, mcp_resp, mcp_param;
981
982 switch (p_hwfn->cdev->wol_config) {
983 case QED_OV_WOL_DISABLED:
984 wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
985 break;
986 case QED_OV_WOL_ENABLED:
987 wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
988 break;
989 default:
990 DP_NOTICE(p_hwfn,
991 "Unknown WoL configuration %02x\n",
992 p_hwfn->cdev->wol_config);
993 /* Fallthrough */
994 case QED_OV_WOL_DEFAULT:
995 wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
996 }
997
998 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_UNLOAD_REQ, wol_param,
999 &mcp_resp, &mcp_param);
1000}
1001
1002int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1003{
1004 struct qed_mcp_mb_params mb_params;
1005 struct mcp_mac wol_mac;
1006
1007 memset(&mb_params, 0, sizeof(mb_params));
1008 mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1009
1010 /* Set the primary MAC if WoL is enabled */
1011 if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1012 u8 *p_mac = p_hwfn->cdev->wol_mac;
1013
1014 memset(&wol_mac, 0, sizeof(wol_mac));
1015 wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1016 wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1017 p_mac[4] << 8 | p_mac[5];
1018
1019 DP_VERBOSE(p_hwfn,
1020 (QED_MSG_SP | NETIF_MSG_IFDOWN),
1021 "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1022 p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1023
1024 mb_params.p_data_src = &wol_mac;
1025 mb_params.data_src_size = sizeof(wol_mac);
1026 }
1027
1028 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1029}
1030
1031static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1032 struct qed_ptt *p_ptt)
1033{
1034 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1035 PUBLIC_PATH);
1036 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1037 u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1038 QED_PATH_ID(p_hwfn));
1039 u32 disabled_vfs[VF_MAX_STATIC / 32];
1040 int i;
1041
1042 DP_VERBOSE(p_hwfn,
1043 QED_MSG_SP,
1044 "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1045 mfw_path_offsize, path_addr);
1046
1047 for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1048 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1049 path_addr +
1050 offsetof(struct public_path,
1051 mcp_vf_disabled) +
1052 sizeof(u32) * i);
1053 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1054 "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1055 i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1056 }
1057
1058 if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1059 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1060}
1061
1062int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1063 struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1064{
1065 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1066 PUBLIC_FUNC);
1067 u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1068 u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1069 MCP_PF_ID(p_hwfn));
1070 struct qed_mcp_mb_params mb_params;
1071 int rc;
1072 int i;
1073
1074 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1075 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1076 "Acking VFs [%08x,...,%08x] - %08x\n",
1077 i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1078
1079 memset(&mb_params, 0, sizeof(mb_params));
1080 mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1081 mb_params.p_data_src = vfs_to_ack;
1082 mb_params.data_src_size = VF_MAX_STATIC / 8;
1083 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1084 if (rc) {
1085 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1086 return -EBUSY;
1087 }
1088
1089 /* Clear the ACK bits */
1090 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1091 qed_wr(p_hwfn, p_ptt,
1092 func_addr +
1093 offsetof(struct public_func, drv_ack_vf_disabled) +
1094 i * sizeof(u32), 0);
1095
1096 return rc;
1097}
1098
1099static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1100 struct qed_ptt *p_ptt)
1101{
1102 u32 transceiver_state;
1103
1104 transceiver_state = qed_rd(p_hwfn, p_ptt,
1105 p_hwfn->mcp_info->port_addr +
1106 offsetof(struct public_port,
1107 transceiver_data));
1108
1109 DP_VERBOSE(p_hwfn,
1110 (NETIF_MSG_HW | QED_MSG_SP),
1111 "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1112 transceiver_state,
1113 (u32)(p_hwfn->mcp_info->port_addr +
1114 offsetof(struct public_port, transceiver_data)));
1115
1116 transceiver_state = GET_FIELD(transceiver_state,
1117 ETH_TRANSCEIVER_STATE);
1118
1119 if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1120 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1121 else
1122 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1123}
1124
1125static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1126 struct qed_ptt *p_ptt,
1127 struct qed_mcp_link_state *p_link)
1128{
1129 u32 eee_status, val;
1130
1131 p_link->eee_adv_caps = 0;
1132 p_link->eee_lp_adv_caps = 0;
1133 eee_status = qed_rd(p_hwfn,
1134 p_ptt,
1135 p_hwfn->mcp_info->port_addr +
1136 offsetof(struct public_port, eee_status));
1137 p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1138 val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1139 if (val & EEE_1G_ADV)
1140 p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1141 if (val & EEE_10G_ADV)
1142 p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1143 val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1144 if (val & EEE_1G_ADV)
1145 p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1146 if (val & EEE_10G_ADV)
1147 p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1148}
1149
1150static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1151 struct qed_ptt *p_ptt, bool b_reset)
1152{
1153 struct qed_mcp_link_state *p_link;
1154 u8 max_bw, min_bw;
1155 u32 status = 0;
1156
1157 /* Prevent SW/attentions from doing this at the same time */
1158 spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1159
1160 p_link = &p_hwfn->mcp_info->link_output;
1161 memset(p_link, 0, sizeof(*p_link));
1162 if (!b_reset) {
1163 status = qed_rd(p_hwfn, p_ptt,
1164 p_hwfn->mcp_info->port_addr +
1165 offsetof(struct public_port, link_status));
1166 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1167 "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1168 status,
1169 (u32)(p_hwfn->mcp_info->port_addr +
1170 offsetof(struct public_port, link_status)));
1171 } else {
1172 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1173 "Resetting link indications\n");
1174 goto out;
1175 }
1176
1177 if (p_hwfn->b_drv_link_init)
1178 p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1179 else
1180 p_link->link_up = false;
1181
1182 p_link->full_duplex = true;
1183 switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1184 case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1185 p_link->speed = 100000;
1186 break;
1187 case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1188 p_link->speed = 50000;
1189 break;
1190 case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1191 p_link->speed = 40000;
1192 break;
1193 case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1194 p_link->speed = 25000;
1195 break;
1196 case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1197 p_link->speed = 20000;
1198 break;
1199 case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1200 p_link->speed = 10000;
1201 break;
1202 case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1203 p_link->full_duplex = false;
1204 /* Fall-through */
1205 case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1206 p_link->speed = 1000;
1207 break;
1208 default:
1209 p_link->speed = 0;
1210 }
1211
1212 if (p_link->link_up && p_link->speed)
1213 p_link->line_speed = p_link->speed;
1214 else
1215 p_link->line_speed = 0;
1216
1217 max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1218 min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1219
1220 /* Max bandwidth configuration */
1221 __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1222
1223 /* Min bandwidth configuration */
1224 __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1225 qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1226 p_link->min_pf_rate);
1227
1228 p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1229 p_link->an_complete = !!(status &
1230 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1231 p_link->parallel_detection = !!(status &
1232 LINK_STATUS_PARALLEL_DETECTION_USED);
1233 p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1234
1235 p_link->partner_adv_speed |=
1236 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1237 QED_LINK_PARTNER_SPEED_1G_FD : 0;
1238 p_link->partner_adv_speed |=
1239 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1240 QED_LINK_PARTNER_SPEED_1G_HD : 0;
1241 p_link->partner_adv_speed |=
1242 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1243 QED_LINK_PARTNER_SPEED_10G : 0;
1244 p_link->partner_adv_speed |=
1245 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1246 QED_LINK_PARTNER_SPEED_20G : 0;
1247 p_link->partner_adv_speed |=
1248 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1249 QED_LINK_PARTNER_SPEED_25G : 0;
1250 p_link->partner_adv_speed |=
1251 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1252 QED_LINK_PARTNER_SPEED_40G : 0;
1253 p_link->partner_adv_speed |=
1254 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1255 QED_LINK_PARTNER_SPEED_50G : 0;
1256 p_link->partner_adv_speed |=
1257 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1258 QED_LINK_PARTNER_SPEED_100G : 0;
1259
1260 p_link->partner_tx_flow_ctrl_en =
1261 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1262 p_link->partner_rx_flow_ctrl_en =
1263 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1264
1265 switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1266 case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1267 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1268 break;
1269 case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1270 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1271 break;
1272 case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1273 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1274 break;
1275 default:
1276 p_link->partner_adv_pause = 0;
1277 }
1278
1279 p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1280
1281 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1282 qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1283
1284 qed_link_update(p_hwfn);
1285out:
1286 spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1287}
1288
1289int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1290{
1291 struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1292 struct qed_mcp_mb_params mb_params;
1293 struct eth_phy_cfg phy_cfg;
1294 int rc = 0;
1295 u32 cmd;
1296
1297 /* Set the shmem configuration according to params */
1298 memset(&phy_cfg, 0, sizeof(phy_cfg));
1299 cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1300 if (!params->speed.autoneg)
1301 phy_cfg.speed = params->speed.forced_speed;
1302 phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1303 phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1304 phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1305 phy_cfg.adv_speed = params->speed.advertised_speeds;
1306 phy_cfg.loopback_mode = params->loopback_mode;
1307 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) {
1308 if (params->eee.enable)
1309 phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1310 if (params->eee.tx_lpi_enable)
1311 phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1312 if (params->eee.adv_caps & QED_EEE_1G_ADV)
1313 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1314 if (params->eee.adv_caps & QED_EEE_10G_ADV)
1315 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1316 phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1317 EEE_TX_TIMER_USEC_OFFSET) &
1318 EEE_TX_TIMER_USEC_MASK;
1319 }
1320
1321 p_hwfn->b_drv_link_init = b_up;
1322
1323 if (b_up) {
1324 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1325 "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n",
1326 phy_cfg.speed,
1327 phy_cfg.pause,
1328 phy_cfg.adv_speed,
1329 phy_cfg.loopback_mode,
1330 phy_cfg.feature_config_flags);
1331 } else {
1332 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1333 "Resetting link\n");
1334 }
1335
1336 memset(&mb_params, 0, sizeof(mb_params));
1337 mb_params.cmd = cmd;
1338 mb_params.p_data_src = &phy_cfg;
1339 mb_params.data_src_size = sizeof(phy_cfg);
1340 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1341
1342 /* if mcp fails to respond we must abort */
1343 if (rc) {
1344 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1345 return rc;
1346 }
1347
1348 /* Mimic link-change attention, done for several reasons:
1349 * - On reset, there's no guarantee MFW would trigger
1350 * an attention.
1351 * - On initialization, older MFWs might not indicate link change
1352 * during LFA, so we'll never get an UP indication.
1353 */
1354 qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1355
1356 return 0;
1357}
1358
1359static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1360 struct qed_ptt *p_ptt,
1361 enum MFW_DRV_MSG_TYPE type)
1362{
1363 enum qed_mcp_protocol_type stats_type;
1364 union qed_mcp_protocol_stats stats;
1365 struct qed_mcp_mb_params mb_params;
1366 u32 hsi_param;
1367
1368 switch (type) {
1369 case MFW_DRV_MSG_GET_LAN_STATS:
1370 stats_type = QED_MCP_LAN_STATS;
1371 hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1372 break;
1373 case MFW_DRV_MSG_GET_FCOE_STATS:
1374 stats_type = QED_MCP_FCOE_STATS;
1375 hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1376 break;
1377 case MFW_DRV_MSG_GET_ISCSI_STATS:
1378 stats_type = QED_MCP_ISCSI_STATS;
1379 hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1380 break;
1381 case MFW_DRV_MSG_GET_RDMA_STATS:
1382 stats_type = QED_MCP_RDMA_STATS;
1383 hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1384 break;
1385 default:
1386 DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1387 return;
1388 }
1389
1390 qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1391
1392 memset(&mb_params, 0, sizeof(mb_params));
1393 mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1394 mb_params.param = hsi_param;
1395 mb_params.p_data_src = &stats;
1396 mb_params.data_src_size = sizeof(stats);
1397 qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1398}
1399
1400static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1401 struct public_func *p_shmem_info)
1402{
1403 struct qed_mcp_function_info *p_info;
1404
1405 p_info = &p_hwfn->mcp_info->func_info;
1406
1407 p_info->bandwidth_min = (p_shmem_info->config &
1408 FUNC_MF_CFG_MIN_BW_MASK) >>
1409 FUNC_MF_CFG_MIN_BW_SHIFT;
1410 if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1411 DP_INFO(p_hwfn,
1412 "bandwidth minimum out of bounds [%02x]. Set to 1\n",
1413 p_info->bandwidth_min);
1414 p_info->bandwidth_min = 1;
1415 }
1416
1417 p_info->bandwidth_max = (p_shmem_info->config &
1418 FUNC_MF_CFG_MAX_BW_MASK) >>
1419 FUNC_MF_CFG_MAX_BW_SHIFT;
1420 if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1421 DP_INFO(p_hwfn,
1422 "bandwidth maximum out of bounds [%02x]. Set to 100\n",
1423 p_info->bandwidth_max);
1424 p_info->bandwidth_max = 100;
1425 }
1426}
1427
1428static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1429 struct qed_ptt *p_ptt,
1430 struct public_func *p_data, int pfid)
1431{
1432 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1433 PUBLIC_FUNC);
1434 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1435 u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1436 u32 i, size;
1437
1438 memset(p_data, 0, sizeof(*p_data));
1439
1440 size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1441 for (i = 0; i < size / sizeof(u32); i++)
1442 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1443 func_addr + (i << 2));
1444 return size;
1445}
1446
1447static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1448{
1449 struct qed_mcp_function_info *p_info;
1450 struct public_func shmem_info;
1451 u32 resp = 0, param = 0;
1452
1453 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1454
1455 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1456
1457 p_info = &p_hwfn->mcp_info->func_info;
1458
1459 qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1460 qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1461
1462 /* Acknowledge the MFW */
1463 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1464 ¶m);
1465}
1466
1467static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1468{
1469 struct public_func shmem_info;
1470 u32 resp = 0, param = 0;
1471
1472 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1473
1474 p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1475 FUNC_MF_CFG_OV_STAG_MASK;
1476 p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1477 if ((p_hwfn->hw_info.hw_mode & BIT(MODE_MF_SD)) &&
1478 (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET)) {
1479 qed_wr(p_hwfn, p_ptt,
1480 NIG_REG_LLH_FUNC_TAG_VALUE, p_hwfn->hw_info.ovlan);
1481 qed_sp_pf_update_stag(p_hwfn);
1482 }
1483
1484 /* Acknowledge the MFW */
1485 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1486 &resp, ¶m);
1487}
1488
1489int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
1490 struct qed_ptt *p_ptt)
1491{
1492 struct qed_mcp_info *info = p_hwfn->mcp_info;
1493 int rc = 0;
1494 bool found = false;
1495 u16 i;
1496
1497 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
1498
1499 /* Read Messages from MFW */
1500 qed_mcp_read_mb(p_hwfn, p_ptt);
1501
1502 /* Compare current messages to old ones */
1503 for (i = 0; i < info->mfw_mb_length; i++) {
1504 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
1505 continue;
1506
1507 found = true;
1508
1509 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1510 "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
1511 i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
1512
1513 switch (i) {
1514 case MFW_DRV_MSG_LINK_CHANGE:
1515 qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
1516 break;
1517 case MFW_DRV_MSG_VF_DISABLED:
1518 qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
1519 break;
1520 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
1521 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1522 QED_DCBX_REMOTE_LLDP_MIB);
1523 break;
1524 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
1525 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1526 QED_DCBX_REMOTE_MIB);
1527 break;
1528 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
1529 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1530 QED_DCBX_OPERATIONAL_MIB);
1531 break;
1532 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
1533 qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
1534 break;
1535 case MFW_DRV_MSG_GET_LAN_STATS:
1536 case MFW_DRV_MSG_GET_FCOE_STATS:
1537 case MFW_DRV_MSG_GET_ISCSI_STATS:
1538 case MFW_DRV_MSG_GET_RDMA_STATS:
1539 qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
1540 break;
1541 case MFW_DRV_MSG_BW_UPDATE:
1542 qed_mcp_update_bw(p_hwfn, p_ptt);
1543 break;
1544 case MFW_DRV_MSG_S_TAG_UPDATE:
1545 qed_mcp_update_stag(p_hwfn, p_ptt);
1546 break;
1547 break;
1548 default:
1549 DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
1550 rc = -EINVAL;
1551 }
1552 }
1553
1554 /* ACK everything */
1555 for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
1556 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
1557
1558 /* MFW expect answer in BE, so we force write in that format */
1559 qed_wr(p_hwfn, p_ptt,
1560 info->mfw_mb_addr + sizeof(u32) +
1561 MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
1562 sizeof(u32) + i * sizeof(u32),
1563 (__force u32)val);
1564 }
1565
1566 if (!found) {
1567 DP_NOTICE(p_hwfn,
1568 "Received an MFW message indication but no new message!\n");
1569 rc = -EINVAL;
1570 }
1571
1572 /* Copy the new mfw messages into the shadow */
1573 memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
1574
1575 return rc;
1576}
1577
1578int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
1579 struct qed_ptt *p_ptt,
1580 u32 *p_mfw_ver, u32 *p_running_bundle_id)
1581{
1582 u32 global_offsize;
1583
1584 if (IS_VF(p_hwfn->cdev)) {
1585 if (p_hwfn->vf_iov_info) {
1586 struct pfvf_acquire_resp_tlv *p_resp;
1587
1588 p_resp = &p_hwfn->vf_iov_info->acquire_resp;
1589 *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
1590 return 0;
1591 } else {
1592 DP_VERBOSE(p_hwfn,
1593 QED_MSG_IOV,
1594 "VF requested MFW version prior to ACQUIRE\n");
1595 return -EINVAL;
1596 }
1597 }
1598
1599 global_offsize = qed_rd(p_hwfn, p_ptt,
1600 SECTION_OFFSIZE_ADDR(p_hwfn->
1601 mcp_info->public_base,
1602 PUBLIC_GLOBAL));
1603 *p_mfw_ver =
1604 qed_rd(p_hwfn, p_ptt,
1605 SECTION_ADDR(global_offsize,
1606 0) + offsetof(struct public_global, mfw_ver));
1607
1608 if (p_running_bundle_id != NULL) {
1609 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
1610 SECTION_ADDR(global_offsize, 0) +
1611 offsetof(struct public_global,
1612 running_bundle_id));
1613 }
1614
1615 return 0;
1616}
1617
1618int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
1619 struct qed_ptt *p_ptt, u32 *p_mbi_ver)
1620{
1621 u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
1622
1623 if (IS_VF(p_hwfn->cdev))
1624 return -EINVAL;
1625
1626 /* Read the address of the nvm_cfg */
1627 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
1628 if (!nvm_cfg_addr) {
1629 DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
1630 return -EINVAL;
1631 }
1632
1633 /* Read the offset of nvm_cfg1 */
1634 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
1635
1636 mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
1637 offsetof(struct nvm_cfg1, glob) +
1638 offsetof(struct nvm_cfg1_glob, mbi_version);
1639 *p_mbi_ver = qed_rd(p_hwfn, p_ptt,
1640 mbi_ver_addr) &
1641 (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
1642 NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
1643 NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
1644
1645 return 0;
1646}
1647
1648int qed_mcp_get_media_type(struct qed_dev *cdev, u32 *p_media_type)
1649{
1650 struct qed_hwfn *p_hwfn = &cdev->hwfns[0];
1651 struct qed_ptt *p_ptt;
1652
1653 if (IS_VF(cdev))
1654 return -EINVAL;
1655
1656 if (!qed_mcp_is_init(p_hwfn)) {
1657 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
1658 return -EBUSY;
1659 }
1660
1661 *p_media_type = MEDIA_UNSPECIFIED;
1662
1663 p_ptt = qed_ptt_acquire(p_hwfn);
1664 if (!p_ptt)
1665 return -EBUSY;
1666
1667 *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1668 offsetof(struct public_port, media_type));
1669
1670 qed_ptt_release(p_hwfn, p_ptt);
1671
1672 return 0;
1673}
1674
1675/* Old MFW has a global configuration for all PFs regarding RDMA support */
1676static void
1677qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
1678 enum qed_pci_personality *p_proto)
1679{
1680 /* There wasn't ever a legacy MFW that published iwarp.
1681 * So at this point, this is either plain l2 or RoCE.
1682 */
1683 if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
1684 *p_proto = QED_PCI_ETH_ROCE;
1685 else
1686 *p_proto = QED_PCI_ETH;
1687
1688 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
1689 "According to Legacy capabilities, L2 personality is %08x\n",
1690 (u32) *p_proto);
1691}
1692
1693static int
1694qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
1695 struct qed_ptt *p_ptt,
1696 enum qed_pci_personality *p_proto)
1697{
1698 u32 resp = 0, param = 0;
1699 int rc;
1700
1701 rc = qed_mcp_cmd(p_hwfn, p_ptt,
1702 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, ¶m);
1703 if (rc)
1704 return rc;
1705 if (resp != FW_MSG_CODE_OK) {
1706 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
1707 "MFW lacks support for command; Returns %08x\n",
1708 resp);
1709 return -EINVAL;
1710 }
1711
1712 switch (param) {
1713 case FW_MB_PARAM_GET_PF_RDMA_NONE:
1714 *p_proto = QED_PCI_ETH;
1715 break;
1716 case FW_MB_PARAM_GET_PF_RDMA_ROCE:
1717 *p_proto = QED_PCI_ETH_ROCE;
1718 break;
1719 case FW_MB_PARAM_GET_PF_RDMA_IWARP:
1720 *p_proto = QED_PCI_ETH_IWARP;
1721 break;
1722 case FW_MB_PARAM_GET_PF_RDMA_BOTH:
1723 *p_proto = QED_PCI_ETH_RDMA;
1724 break;
1725 default:
1726 DP_NOTICE(p_hwfn,
1727 "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
1728 param);
1729 return -EINVAL;
1730 }
1731
1732 DP_VERBOSE(p_hwfn,
1733 NETIF_MSG_IFUP,
1734 "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
1735 (u32) *p_proto, resp, param);
1736 return 0;
1737}
1738
1739static int
1740qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
1741 struct public_func *p_info,
1742 struct qed_ptt *p_ptt,
1743 enum qed_pci_personality *p_proto)
1744{
1745 int rc = 0;
1746
1747 switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
1748 case FUNC_MF_CFG_PROTOCOL_ETHERNET:
1749 if (!IS_ENABLED(CONFIG_QED_RDMA))
1750 *p_proto = QED_PCI_ETH;
1751 else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
1752 qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
1753 break;
1754 case FUNC_MF_CFG_PROTOCOL_ISCSI:
1755 *p_proto = QED_PCI_ISCSI;
1756 break;
1757 case FUNC_MF_CFG_PROTOCOL_FCOE:
1758 *p_proto = QED_PCI_FCOE;
1759 break;
1760 case FUNC_MF_CFG_PROTOCOL_ROCE:
1761 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
1762 /* Fallthrough */
1763 default:
1764 rc = -EINVAL;
1765 }
1766
1767 return rc;
1768}
1769
1770int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
1771 struct qed_ptt *p_ptt)
1772{
1773 struct qed_mcp_function_info *info;
1774 struct public_func shmem_info;
1775
1776 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1777 info = &p_hwfn->mcp_info->func_info;
1778
1779 info->pause_on_host = (shmem_info.config &
1780 FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
1781
1782 if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
1783 &info->protocol)) {
1784 DP_ERR(p_hwfn, "Unknown personality %08x\n",
1785 (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
1786 return -EINVAL;
1787 }
1788
1789 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1790
1791 if (shmem_info.mac_upper || shmem_info.mac_lower) {
1792 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
1793 info->mac[1] = (u8)(shmem_info.mac_upper);
1794 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
1795 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
1796 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
1797 info->mac[5] = (u8)(shmem_info.mac_lower);
1798
1799 /* Store primary MAC for later possible WoL */
1800 memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
1801 } else {
1802 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
1803 }
1804
1805 info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
1806 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
1807 info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
1808 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
1809
1810 info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
1811
1812 info->mtu = (u16)shmem_info.mtu_size;
1813
1814 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
1815 p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
1816 if (qed_mcp_is_init(p_hwfn)) {
1817 u32 resp = 0, param = 0;
1818 int rc;
1819
1820 rc = qed_mcp_cmd(p_hwfn, p_ptt,
1821 DRV_MSG_CODE_OS_WOL, 0, &resp, ¶m);
1822 if (rc)
1823 return rc;
1824 if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
1825 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
1826 }
1827
1828 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
1829 "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x wol %02x\n",
1830 info->pause_on_host, info->protocol,
1831 info->bandwidth_min, info->bandwidth_max,
1832 info->mac[0], info->mac[1], info->mac[2],
1833 info->mac[3], info->mac[4], info->mac[5],
1834 info->wwn_port, info->wwn_node,
1835 info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
1836
1837 return 0;
1838}
1839
1840struct qed_mcp_link_params
1841*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
1842{
1843 if (!p_hwfn || !p_hwfn->mcp_info)
1844 return NULL;
1845 return &p_hwfn->mcp_info->link_input;
1846}
1847
1848struct qed_mcp_link_state
1849*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
1850{
1851 if (!p_hwfn || !p_hwfn->mcp_info)
1852 return NULL;
1853 return &p_hwfn->mcp_info->link_output;
1854}
1855
1856struct qed_mcp_link_capabilities
1857*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
1858{
1859 if (!p_hwfn || !p_hwfn->mcp_info)
1860 return NULL;
1861 return &p_hwfn->mcp_info->link_capabilities;
1862}
1863
1864int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1865{
1866 u32 resp = 0, param = 0;
1867 int rc;
1868
1869 rc = qed_mcp_cmd(p_hwfn, p_ptt,
1870 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m);
1871
1872 /* Wait for the drain to complete before returning */
1873 msleep(1020);
1874
1875 return rc;
1876}
1877
1878int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
1879 struct qed_ptt *p_ptt, u32 *p_flash_size)
1880{
1881 u32 flash_size;
1882
1883 if (IS_VF(p_hwfn->cdev))
1884 return -EINVAL;
1885
1886 flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
1887 flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
1888 MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
1889 flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
1890
1891 *p_flash_size = flash_size;
1892
1893 return 0;
1894}
1895
1896static int
1897qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
1898 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
1899{
1900 u32 resp = 0, param = 0, rc_param = 0;
1901 int rc;
1902
1903 /* Only Leader can configure MSIX, and need to take CMT into account */
1904 if (!IS_LEAD_HWFN(p_hwfn))
1905 return 0;
1906 num *= p_hwfn->cdev->num_hwfns;
1907
1908 param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
1909 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
1910 param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
1911 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
1912
1913 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
1914 &resp, &rc_param);
1915
1916 if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
1917 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
1918 rc = -EINVAL;
1919 } else {
1920 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1921 "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
1922 num, vf_id);
1923 }
1924
1925 return rc;
1926}
1927
1928static int
1929qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
1930 struct qed_ptt *p_ptt, u8 num)
1931{
1932 u32 resp = 0, param = num, rc_param = 0;
1933 int rc;
1934
1935 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
1936 param, &resp, &rc_param);
1937
1938 if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
1939 DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
1940 rc = -EINVAL;
1941 } else {
1942 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1943 "Requested 0x%02x MSI-x interrupts for VFs\n", num);
1944 }
1945
1946 return rc;
1947}
1948
1949int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
1950 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
1951{
1952 if (QED_IS_BB(p_hwfn->cdev))
1953 return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
1954 else
1955 return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
1956}
1957
1958int
1959qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
1960 struct qed_ptt *p_ptt,
1961 struct qed_mcp_drv_version *p_ver)
1962{
1963 struct qed_mcp_mb_params mb_params;
1964 struct drv_version_stc drv_version;
1965 __be32 val;
1966 u32 i;
1967 int rc;
1968
1969 memset(&drv_version, 0, sizeof(drv_version));
1970 drv_version.version = p_ver->version;
1971 for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
1972 val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
1973 *(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
1974 }
1975
1976 memset(&mb_params, 0, sizeof(mb_params));
1977 mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
1978 mb_params.p_data_src = &drv_version;
1979 mb_params.data_src_size = sizeof(drv_version);
1980 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1981 if (rc)
1982 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1983
1984 return rc;
1985}
1986
1987int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1988{
1989 u32 resp = 0, param = 0;
1990 int rc;
1991
1992 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
1993 ¶m);
1994 if (rc)
1995 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1996
1997 return rc;
1998}
1999
2000int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2001{
2002 u32 value, cpu_mode;
2003
2004 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2005
2006 value = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2007 value &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2008 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, value);
2009 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2010
2011 return (cpu_mode & MCP_REG_CPU_MODE_SOFT_HALT) ? -EAGAIN : 0;
2012}
2013
2014int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2015 struct qed_ptt *p_ptt,
2016 enum qed_ov_client client)
2017{
2018 u32 resp = 0, param = 0;
2019 u32 drv_mb_param;
2020 int rc;
2021
2022 switch (client) {
2023 case QED_OV_CLIENT_DRV:
2024 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2025 break;
2026 case QED_OV_CLIENT_USER:
2027 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2028 break;
2029 case QED_OV_CLIENT_VENDOR_SPEC:
2030 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2031 break;
2032 default:
2033 DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2034 return -EINVAL;
2035 }
2036
2037 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2038 drv_mb_param, &resp, ¶m);
2039 if (rc)
2040 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2041
2042 return rc;
2043}
2044
2045int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2046 struct qed_ptt *p_ptt,
2047 enum qed_ov_driver_state drv_state)
2048{
2049 u32 resp = 0, param = 0;
2050 u32 drv_mb_param;
2051 int rc;
2052
2053 switch (drv_state) {
2054 case QED_OV_DRIVER_STATE_NOT_LOADED:
2055 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2056 break;
2057 case QED_OV_DRIVER_STATE_DISABLED:
2058 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2059 break;
2060 case QED_OV_DRIVER_STATE_ACTIVE:
2061 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2062 break;
2063 default:
2064 DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2065 return -EINVAL;
2066 }
2067
2068 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2069 drv_mb_param, &resp, ¶m);
2070 if (rc)
2071 DP_ERR(p_hwfn, "Failed to send driver state\n");
2072
2073 return rc;
2074}
2075
2076int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2077 struct qed_ptt *p_ptt, u16 mtu)
2078{
2079 u32 resp = 0, param = 0;
2080 u32 drv_mb_param;
2081 int rc;
2082
2083 drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2084 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2085 drv_mb_param, &resp, ¶m);
2086 if (rc)
2087 DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2088
2089 return rc;
2090}
2091
2092int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2093 struct qed_ptt *p_ptt, u8 *mac)
2094{
2095 struct qed_mcp_mb_params mb_params;
2096 u32 mfw_mac[2];
2097 int rc;
2098
2099 memset(&mb_params, 0, sizeof(mb_params));
2100 mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2101 mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2102 DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2103 mb_params.param |= MCP_PF_ID(p_hwfn);
2104
2105 /* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2106 * in 32-bit granularity.
2107 * So the MAC has to be set in native order [and not byte order],
2108 * otherwise it would be read incorrectly by MFW after swap.
2109 */
2110 mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2111 mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2112
2113 mb_params.p_data_src = (u8 *)mfw_mac;
2114 mb_params.data_src_size = 8;
2115 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2116 if (rc)
2117 DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2118
2119 /* Store primary MAC for later possible WoL */
2120 memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2121
2122 return rc;
2123}
2124
2125int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2126 struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2127{
2128 u32 resp = 0, param = 0;
2129 u32 drv_mb_param;
2130 int rc;
2131
2132 if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2133 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2134 "Can't change WoL configuration when WoL isn't supported\n");
2135 return -EINVAL;
2136 }
2137
2138 switch (wol) {
2139 case QED_OV_WOL_DEFAULT:
2140 drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2141 break;
2142 case QED_OV_WOL_DISABLED:
2143 drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2144 break;
2145 case QED_OV_WOL_ENABLED:
2146 drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2147 break;
2148 default:
2149 DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2150 return -EINVAL;
2151 }
2152
2153 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2154 drv_mb_param, &resp, ¶m);
2155 if (rc)
2156 DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2157
2158 /* Store the WoL update for a future unload */
2159 p_hwfn->cdev->wol_config = (u8)wol;
2160
2161 return rc;
2162}
2163
2164int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2165 struct qed_ptt *p_ptt,
2166 enum qed_ov_eswitch eswitch)
2167{
2168 u32 resp = 0, param = 0;
2169 u32 drv_mb_param;
2170 int rc;
2171
2172 switch (eswitch) {
2173 case QED_OV_ESWITCH_NONE:
2174 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2175 break;
2176 case QED_OV_ESWITCH_VEB:
2177 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
2178 break;
2179 case QED_OV_ESWITCH_VEPA:
2180 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
2181 break;
2182 default:
2183 DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
2184 return -EINVAL;
2185 }
2186
2187 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
2188 drv_mb_param, &resp, ¶m);
2189 if (rc)
2190 DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
2191
2192 return rc;
2193}
2194
2195int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
2196 struct qed_ptt *p_ptt, enum qed_led_mode mode)
2197{
2198 u32 resp = 0, param = 0, drv_mb_param;
2199 int rc;
2200
2201 switch (mode) {
2202 case QED_LED_MODE_ON:
2203 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
2204 break;
2205 case QED_LED_MODE_OFF:
2206 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
2207 break;
2208 case QED_LED_MODE_RESTORE:
2209 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
2210 break;
2211 default:
2212 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
2213 return -EINVAL;
2214 }
2215
2216 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
2217 drv_mb_param, &resp, ¶m);
2218
2219 return rc;
2220}
2221
2222int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
2223 struct qed_ptt *p_ptt, u32 mask_parities)
2224{
2225 u32 resp = 0, param = 0;
2226 int rc;
2227
2228 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
2229 mask_parities, &resp, ¶m);
2230
2231 if (rc) {
2232 DP_ERR(p_hwfn,
2233 "MCP response failure for mask parities, aborting\n");
2234 } else if (resp != FW_MSG_CODE_OK) {
2235 DP_ERR(p_hwfn,
2236 "MCP did not acknowledge mask parity request. Old MFW?\n");
2237 rc = -EINVAL;
2238 }
2239
2240 return rc;
2241}
2242
2243int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
2244{
2245 u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
2246 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2247 u32 resp = 0, resp_param = 0;
2248 struct qed_ptt *p_ptt;
2249 int rc = 0;
2250
2251 p_ptt = qed_ptt_acquire(p_hwfn);
2252 if (!p_ptt)
2253 return -EBUSY;
2254
2255 while (bytes_left > 0) {
2256 bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
2257
2258 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
2259 DRV_MSG_CODE_NVM_READ_NVRAM,
2260 addr + offset +
2261 (bytes_to_copy <<
2262 DRV_MB_PARAM_NVM_LEN_OFFSET),
2263 &resp, &resp_param,
2264 &read_len,
2265 (u32 *)(p_buf + offset));
2266
2267 if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
2268 DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
2269 break;
2270 }
2271
2272 /* This can be a lengthy process, and it's possible scheduler
2273 * isn't preemptable. Sleep a bit to prevent CPU hogging.
2274 */
2275 if (bytes_left % 0x1000 <
2276 (bytes_left - read_len) % 0x1000)
2277 usleep_range(1000, 2000);
2278
2279 offset += read_len;
2280 bytes_left -= read_len;
2281 }
2282
2283 cdev->mcp_nvm_resp = resp;
2284 qed_ptt_release(p_hwfn, p_ptt);
2285
2286 return rc;
2287}
2288
2289int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
2290{
2291 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2292 struct qed_ptt *p_ptt;
2293
2294 p_ptt = qed_ptt_acquire(p_hwfn);
2295 if (!p_ptt)
2296 return -EBUSY;
2297
2298 memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
2299 qed_ptt_release(p_hwfn, p_ptt);
2300
2301 return 0;
2302}
2303
2304int qed_mcp_nvm_put_file_begin(struct qed_dev *cdev, u32 addr)
2305{
2306 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2307 struct qed_ptt *p_ptt;
2308 u32 resp, param;
2309 int rc;
2310
2311 p_ptt = qed_ptt_acquire(p_hwfn);
2312 if (!p_ptt)
2313 return -EBUSY;
2314 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_NVM_PUT_FILE_BEGIN, addr,
2315 &resp, ¶m);
2316 cdev->mcp_nvm_resp = resp;
2317 qed_ptt_release(p_hwfn, p_ptt);
2318
2319 return rc;
2320}
2321
2322int qed_mcp_nvm_write(struct qed_dev *cdev,
2323 u32 cmd, u32 addr, u8 *p_buf, u32 len)
2324{
2325 u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
2326 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2327 struct qed_ptt *p_ptt;
2328 int rc = -EINVAL;
2329
2330 p_ptt = qed_ptt_acquire(p_hwfn);
2331 if (!p_ptt)
2332 return -EBUSY;
2333
2334 switch (cmd) {
2335 case QED_PUT_FILE_DATA:
2336 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
2337 break;
2338 case QED_NVM_WRITE_NVRAM:
2339 nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
2340 break;
2341 default:
2342 DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
2343 rc = -EINVAL;
2344 goto out;
2345 }
2346
2347 while (buf_idx < len) {
2348 buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
2349 nvm_offset = ((buf_size << DRV_MB_PARAM_NVM_LEN_OFFSET) |
2350 addr) + buf_idx;
2351 rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
2352 &resp, ¶m, buf_size,
2353 (u32 *)&p_buf[buf_idx]);
2354 if (rc) {
2355 DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
2356 resp = FW_MSG_CODE_ERROR;
2357 break;
2358 }
2359
2360 if (resp != FW_MSG_CODE_OK &&
2361 resp != FW_MSG_CODE_NVM_OK &&
2362 resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
2363 DP_NOTICE(cdev,
2364 "nvm write failed, resp = 0x%08x\n", resp);
2365 rc = -EINVAL;
2366 break;
2367 }
2368
2369 /* This can be a lengthy process, and it's possible scheduler
2370 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
2371 */
2372 if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
2373 usleep_range(1000, 2000);
2374
2375 buf_idx += buf_size;
2376 }
2377
2378 cdev->mcp_nvm_resp = resp;
2379out:
2380 qed_ptt_release(p_hwfn, p_ptt);
2381
2382 return rc;
2383}
2384
2385int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2386{
2387 u32 drv_mb_param = 0, rsp, param;
2388 int rc = 0;
2389
2390 drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
2391 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
2392
2393 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
2394 drv_mb_param, &rsp, ¶m);
2395
2396 if (rc)
2397 return rc;
2398
2399 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
2400 (param != DRV_MB_PARAM_BIST_RC_PASSED))
2401 rc = -EAGAIN;
2402
2403 return rc;
2404}
2405
2406int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2407{
2408 u32 drv_mb_param, rsp, param;
2409 int rc = 0;
2410
2411 drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
2412 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
2413
2414 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
2415 drv_mb_param, &rsp, ¶m);
2416
2417 if (rc)
2418 return rc;
2419
2420 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
2421 (param != DRV_MB_PARAM_BIST_RC_PASSED))
2422 rc = -EAGAIN;
2423
2424 return rc;
2425}
2426
2427int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
2428 struct qed_ptt *p_ptt,
2429 u32 *num_images)
2430{
2431 u32 drv_mb_param = 0, rsp;
2432 int rc = 0;
2433
2434 drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
2435 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
2436
2437 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
2438 drv_mb_param, &rsp, num_images);
2439 if (rc)
2440 return rc;
2441
2442 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
2443 rc = -EINVAL;
2444
2445 return rc;
2446}
2447
2448int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
2449 struct qed_ptt *p_ptt,
2450 struct bist_nvm_image_att *p_image_att,
2451 u32 image_index)
2452{
2453 u32 buf_size = 0, param, resp = 0, resp_param = 0;
2454 int rc;
2455
2456 param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
2457 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
2458 param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
2459
2460 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
2461 DRV_MSG_CODE_BIST_TEST, param,
2462 &resp, &resp_param,
2463 &buf_size,
2464 (u32 *)p_image_att);
2465 if (rc)
2466 return rc;
2467
2468 if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
2469 (p_image_att->return_code != 1))
2470 rc = -EINVAL;
2471
2472 return rc;
2473}
2474
2475int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
2476{
2477 struct qed_nvm_image_info *nvm_info = &p_hwfn->nvm_info;
2478 struct qed_ptt *p_ptt;
2479 int rc;
2480 u32 i;
2481
2482 p_ptt = qed_ptt_acquire(p_hwfn);
2483 if (!p_ptt) {
2484 DP_ERR(p_hwfn, "failed to acquire ptt\n");
2485 return -EBUSY;
2486 }
2487
2488 /* Acquire from MFW the amount of available images */
2489 nvm_info->num_images = 0;
2490 rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
2491 p_ptt, &nvm_info->num_images);
2492 if (rc == -EOPNOTSUPP) {
2493 DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
2494 goto out;
2495 } else if (rc || !nvm_info->num_images) {
2496 DP_ERR(p_hwfn, "Failed getting number of images\n");
2497 goto err0;
2498 }
2499
2500 nvm_info->image_att = kmalloc(nvm_info->num_images *
2501 sizeof(struct bist_nvm_image_att),
2502 GFP_KERNEL);
2503 if (!nvm_info->image_att) {
2504 rc = -ENOMEM;
2505 goto err0;
2506 }
2507
2508 /* Iterate over images and get their attributes */
2509 for (i = 0; i < nvm_info->num_images; i++) {
2510 rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
2511 &nvm_info->image_att[i], i);
2512 if (rc) {
2513 DP_ERR(p_hwfn,
2514 "Failed getting image index %d attributes\n", i);
2515 goto err1;
2516 }
2517
2518 DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
2519 nvm_info->image_att[i].len);
2520 }
2521out:
2522 qed_ptt_release(p_hwfn, p_ptt);
2523 return 0;
2524
2525err1:
2526 kfree(nvm_info->image_att);
2527err0:
2528 qed_ptt_release(p_hwfn, p_ptt);
2529 return rc;
2530}
2531
2532static int
2533qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
2534 struct qed_ptt *p_ptt,
2535 enum qed_nvm_images image_id,
2536 struct qed_nvm_image_att *p_image_att)
2537{
2538 enum nvm_image_type type;
2539 u32 i;
2540
2541 /* Translate image_id into MFW definitions */
2542 switch (image_id) {
2543 case QED_NVM_IMAGE_ISCSI_CFG:
2544 type = NVM_TYPE_ISCSI_CFG;
2545 break;
2546 case QED_NVM_IMAGE_FCOE_CFG:
2547 type = NVM_TYPE_FCOE_CFG;
2548 break;
2549 default:
2550 DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
2551 image_id);
2552 return -EINVAL;
2553 }
2554
2555 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2556 if (type == p_hwfn->nvm_info.image_att[i].image_type)
2557 break;
2558 if (i == p_hwfn->nvm_info.num_images) {
2559 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
2560 "Failed to find nvram image of type %08x\n",
2561 image_id);
2562 return -ENOENT;
2563 }
2564
2565 p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2566 p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
2567
2568 return 0;
2569}
2570
2571int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
2572 struct qed_ptt *p_ptt,
2573 enum qed_nvm_images image_id,
2574 u8 *p_buffer, u32 buffer_len)
2575{
2576 struct qed_nvm_image_att image_att;
2577 int rc;
2578
2579 memset(p_buffer, 0, buffer_len);
2580
2581 rc = qed_mcp_get_nvm_image_att(p_hwfn, p_ptt, image_id, &image_att);
2582 if (rc)
2583 return rc;
2584
2585 /* Validate sizes - both the image's and the supplied buffer's */
2586 if (image_att.length <= 4) {
2587 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
2588 "Image [%d] is too small - only %d bytes\n",
2589 image_id, image_att.length);
2590 return -EINVAL;
2591 }
2592
2593 /* Each NVM image is suffixed by CRC; Upper-layer has no need for it */
2594 image_att.length -= 4;
2595
2596 if (image_att.length > buffer_len) {
2597 DP_VERBOSE(p_hwfn,
2598 QED_MSG_STORAGE,
2599 "Image [%d] is too big - %08x bytes where only %08x are available\n",
2600 image_id, image_att.length, buffer_len);
2601 return -ENOMEM;
2602 }
2603
2604 return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
2605 p_buffer, image_att.length);
2606}
2607
2608static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
2609{
2610 enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
2611
2612 switch (res_id) {
2613 case QED_SB:
2614 mfw_res_id = RESOURCE_NUM_SB_E;
2615 break;
2616 case QED_L2_QUEUE:
2617 mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
2618 break;
2619 case QED_VPORT:
2620 mfw_res_id = RESOURCE_NUM_VPORT_E;
2621 break;
2622 case QED_RSS_ENG:
2623 mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
2624 break;
2625 case QED_PQ:
2626 mfw_res_id = RESOURCE_NUM_PQ_E;
2627 break;
2628 case QED_RL:
2629 mfw_res_id = RESOURCE_NUM_RL_E;
2630 break;
2631 case QED_MAC:
2632 case QED_VLAN:
2633 /* Each VFC resource can accommodate both a MAC and a VLAN */
2634 mfw_res_id = RESOURCE_VFC_FILTER_E;
2635 break;
2636 case QED_ILT:
2637 mfw_res_id = RESOURCE_ILT_E;
2638 break;
2639 case QED_LL2_QUEUE:
2640 mfw_res_id = RESOURCE_LL2_QUEUE_E;
2641 break;
2642 case QED_RDMA_CNQ_RAM:
2643 case QED_CMDQS_CQS:
2644 /* CNQ/CMDQS are the same resource */
2645 mfw_res_id = RESOURCE_CQS_E;
2646 break;
2647 case QED_RDMA_STATS_QUEUE:
2648 mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
2649 break;
2650 case QED_BDQ:
2651 mfw_res_id = RESOURCE_BDQ_E;
2652 break;
2653 default:
2654 break;
2655 }
2656
2657 return mfw_res_id;
2658}
2659
2660#define QED_RESC_ALLOC_VERSION_MAJOR 2
2661#define QED_RESC_ALLOC_VERSION_MINOR 0
2662#define QED_RESC_ALLOC_VERSION \
2663 ((QED_RESC_ALLOC_VERSION_MAJOR << \
2664 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
2665 (QED_RESC_ALLOC_VERSION_MINOR << \
2666 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
2667
2668struct qed_resc_alloc_in_params {
2669 u32 cmd;
2670 enum qed_resources res_id;
2671 u32 resc_max_val;
2672};
2673
2674struct qed_resc_alloc_out_params {
2675 u32 mcp_resp;
2676 u32 mcp_param;
2677 u32 resc_num;
2678 u32 resc_start;
2679 u32 vf_resc_num;
2680 u32 vf_resc_start;
2681 u32 flags;
2682};
2683
2684static int
2685qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
2686 struct qed_ptt *p_ptt,
2687 struct qed_resc_alloc_in_params *p_in_params,
2688 struct qed_resc_alloc_out_params *p_out_params)
2689{
2690 struct qed_mcp_mb_params mb_params;
2691 struct resource_info mfw_resc_info;
2692 int rc;
2693
2694 memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
2695
2696 mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
2697 if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
2698 DP_ERR(p_hwfn,
2699 "Failed to match resource %d [%s] with the MFW resources\n",
2700 p_in_params->res_id,
2701 qed_hw_get_resc_name(p_in_params->res_id));
2702 return -EINVAL;
2703 }
2704
2705 switch (p_in_params->cmd) {
2706 case DRV_MSG_SET_RESOURCE_VALUE_MSG:
2707 mfw_resc_info.size = p_in_params->resc_max_val;
2708 /* Fallthrough */
2709 case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
2710 break;
2711 default:
2712 DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
2713 p_in_params->cmd);
2714 return -EINVAL;
2715 }
2716
2717 memset(&mb_params, 0, sizeof(mb_params));
2718 mb_params.cmd = p_in_params->cmd;
2719 mb_params.param = QED_RESC_ALLOC_VERSION;
2720 mb_params.p_data_src = &mfw_resc_info;
2721 mb_params.data_src_size = sizeof(mfw_resc_info);
2722 mb_params.p_data_dst = mb_params.p_data_src;
2723 mb_params.data_dst_size = mb_params.data_src_size;
2724
2725 DP_VERBOSE(p_hwfn,
2726 QED_MSG_SP,
2727 "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
2728 p_in_params->cmd,
2729 p_in_params->res_id,
2730 qed_hw_get_resc_name(p_in_params->res_id),
2731 QED_MFW_GET_FIELD(mb_params.param,
2732 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
2733 QED_MFW_GET_FIELD(mb_params.param,
2734 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
2735 p_in_params->resc_max_val);
2736
2737 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2738 if (rc)
2739 return rc;
2740
2741 p_out_params->mcp_resp = mb_params.mcp_resp;
2742 p_out_params->mcp_param = mb_params.mcp_param;
2743 p_out_params->resc_num = mfw_resc_info.size;
2744 p_out_params->resc_start = mfw_resc_info.offset;
2745 p_out_params->vf_resc_num = mfw_resc_info.vf_size;
2746 p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
2747 p_out_params->flags = mfw_resc_info.flags;
2748
2749 DP_VERBOSE(p_hwfn,
2750 QED_MSG_SP,
2751 "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",
2752 QED_MFW_GET_FIELD(p_out_params->mcp_param,
2753 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
2754 QED_MFW_GET_FIELD(p_out_params->mcp_param,
2755 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
2756 p_out_params->resc_num,
2757 p_out_params->resc_start,
2758 p_out_params->vf_resc_num,
2759 p_out_params->vf_resc_start, p_out_params->flags);
2760
2761 return 0;
2762}
2763
2764int
2765qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
2766 struct qed_ptt *p_ptt,
2767 enum qed_resources res_id,
2768 u32 resc_max_val, u32 *p_mcp_resp)
2769{
2770 struct qed_resc_alloc_out_params out_params;
2771 struct qed_resc_alloc_in_params in_params;
2772 int rc;
2773
2774 memset(&in_params, 0, sizeof(in_params));
2775 in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
2776 in_params.res_id = res_id;
2777 in_params.resc_max_val = resc_max_val;
2778 memset(&out_params, 0, sizeof(out_params));
2779 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
2780 &out_params);
2781 if (rc)
2782 return rc;
2783
2784 *p_mcp_resp = out_params.mcp_resp;
2785
2786 return 0;
2787}
2788
2789int
2790qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
2791 struct qed_ptt *p_ptt,
2792 enum qed_resources res_id,
2793 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
2794{
2795 struct qed_resc_alloc_out_params out_params;
2796 struct qed_resc_alloc_in_params in_params;
2797 int rc;
2798
2799 memset(&in_params, 0, sizeof(in_params));
2800 in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
2801 in_params.res_id = res_id;
2802 memset(&out_params, 0, sizeof(out_params));
2803 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
2804 &out_params);
2805 if (rc)
2806 return rc;
2807
2808 *p_mcp_resp = out_params.mcp_resp;
2809
2810 if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
2811 *p_resc_num = out_params.resc_num;
2812 *p_resc_start = out_params.resc_start;
2813 }
2814
2815 return 0;
2816}
2817
2818int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2819{
2820 u32 mcp_resp, mcp_param;
2821
2822 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
2823 &mcp_resp, &mcp_param);
2824}
2825
2826static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
2827 struct qed_ptt *p_ptt,
2828 u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
2829{
2830 int rc;
2831
2832 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD, param,
2833 p_mcp_resp, p_mcp_param);
2834 if (rc)
2835 return rc;
2836
2837 if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
2838 DP_INFO(p_hwfn,
2839 "The resource command is unsupported by the MFW\n");
2840 return -EINVAL;
2841 }
2842
2843 if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
2844 u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
2845
2846 DP_NOTICE(p_hwfn,
2847 "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
2848 param, opcode);
2849 return -EINVAL;
2850 }
2851
2852 return rc;
2853}
2854
2855int
2856__qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
2857 struct qed_ptt *p_ptt,
2858 struct qed_resc_lock_params *p_params)
2859{
2860 u32 param = 0, mcp_resp, mcp_param;
2861 u8 opcode;
2862 int rc;
2863
2864 switch (p_params->timeout) {
2865 case QED_MCP_RESC_LOCK_TO_DEFAULT:
2866 opcode = RESOURCE_OPCODE_REQ;
2867 p_params->timeout = 0;
2868 break;
2869 case QED_MCP_RESC_LOCK_TO_NONE:
2870 opcode = RESOURCE_OPCODE_REQ_WO_AGING;
2871 p_params->timeout = 0;
2872 break;
2873 default:
2874 opcode = RESOURCE_OPCODE_REQ_W_AGING;
2875 break;
2876 }
2877
2878 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
2879 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
2880 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
2881
2882 DP_VERBOSE(p_hwfn,
2883 QED_MSG_SP,
2884 "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
2885 param, p_params->timeout, opcode, p_params->resource);
2886
2887 /* Attempt to acquire the resource */
2888 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
2889 if (rc)
2890 return rc;
2891
2892 /* Analyze the response */
2893 p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
2894 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
2895
2896 DP_VERBOSE(p_hwfn,
2897 QED_MSG_SP,
2898 "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
2899 mcp_param, opcode, p_params->owner);
2900
2901 switch (opcode) {
2902 case RESOURCE_OPCODE_GNT:
2903 p_params->b_granted = true;
2904 break;
2905 case RESOURCE_OPCODE_BUSY:
2906 p_params->b_granted = false;
2907 break;
2908 default:
2909 DP_NOTICE(p_hwfn,
2910 "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
2911 mcp_param, opcode);
2912 return -EINVAL;
2913 }
2914
2915 return 0;
2916}
2917
2918int
2919qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
2920 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
2921{
2922 u32 retry_cnt = 0;
2923 int rc;
2924
2925 do {
2926 /* No need for an interval before the first iteration */
2927 if (retry_cnt) {
2928 if (p_params->sleep_b4_retry) {
2929 u16 retry_interval_in_ms =
2930 DIV_ROUND_UP(p_params->retry_interval,
2931 1000);
2932
2933 msleep(retry_interval_in_ms);
2934 } else {
2935 udelay(p_params->retry_interval);
2936 }
2937 }
2938
2939 rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
2940 if (rc)
2941 return rc;
2942
2943 if (p_params->b_granted)
2944 break;
2945 } while (retry_cnt++ < p_params->retry_num);
2946
2947 return 0;
2948}
2949
2950int
2951qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
2952 struct qed_ptt *p_ptt,
2953 struct qed_resc_unlock_params *p_params)
2954{
2955 u32 param = 0, mcp_resp, mcp_param;
2956 u8 opcode;
2957 int rc;
2958
2959 opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
2960 : RESOURCE_OPCODE_RELEASE;
2961 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
2962 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
2963
2964 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2965 "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
2966 param, opcode, p_params->resource);
2967
2968 /* Attempt to release the resource */
2969 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
2970 if (rc)
2971 return rc;
2972
2973 /* Analyze the response */
2974 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
2975
2976 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2977 "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
2978 mcp_param, opcode);
2979
2980 switch (opcode) {
2981 case RESOURCE_OPCODE_RELEASED_PREVIOUS:
2982 DP_INFO(p_hwfn,
2983 "Resource unlock request for an already released resource [%d]\n",
2984 p_params->resource);
2985 /* Fallthrough */
2986 case RESOURCE_OPCODE_RELEASED:
2987 p_params->b_released = true;
2988 break;
2989 case RESOURCE_OPCODE_WRONG_OWNER:
2990 p_params->b_released = false;
2991 break;
2992 default:
2993 DP_NOTICE(p_hwfn,
2994 "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
2995 mcp_param, opcode);
2996 return -EINVAL;
2997 }
2998
2999 return 0;
3000}
3001
3002void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3003 struct qed_resc_unlock_params *p_unlock,
3004 enum qed_resc_lock
3005 resource, bool b_is_permanent)
3006{
3007 if (p_lock) {
3008 memset(p_lock, 0, sizeof(*p_lock));
3009
3010 /* Permanent resources don't require aging, and there's no
3011 * point in trying to acquire them more than once since it's
3012 * unexpected another entity would release them.
3013 */
3014 if (b_is_permanent) {
3015 p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3016 } else {
3017 p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3018 p_lock->retry_interval =
3019 QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3020 p_lock->sleep_b4_retry = true;
3021 }
3022
3023 p_lock->resource = resource;
3024 }
3025
3026 if (p_unlock) {
3027 memset(p_unlock, 0, sizeof(*p_unlock));
3028 p_unlock->resource = resource;
3029 }
3030}
3031
3032int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3033{
3034 u32 mcp_resp;
3035 int rc;
3036
3037 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3038 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3039 if (!rc)
3040 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3041 "MFW supported features: %08x\n",
3042 p_hwfn->mcp_info->capabilities);
3043
3044 return rc;
3045}
3046
3047int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3048{
3049 u32 mcp_resp, mcp_param, features;
3050
3051 features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE;
3052
3053 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3054 features, &mcp_resp, &mcp_param);
3055}
1/* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#include <linux/types.h>
34#include <asm/byteorder.h>
35#include <linux/delay.h>
36#include <linux/errno.h>
37#include <linux/kernel.h>
38#include <linux/slab.h>
39#include <linux/spinlock.h>
40#include <linux/string.h>
41#include <linux/etherdevice.h>
42#include "qed.h"
43#include "qed_cxt.h"
44#include "qed_dcbx.h"
45#include "qed_hsi.h"
46#include "qed_hw.h"
47#include "qed_mcp.h"
48#include "qed_reg_addr.h"
49#include "qed_sriov.h"
50
51#define QED_MCP_RESP_ITER_US 10
52
53#define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */
54#define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */
55
56#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \
57 qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
58 _val)
59
60#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
61 qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
62
63#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \
64 DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
65 offsetof(struct public_drv_mb, _field), _val)
66
67#define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \
68 DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
69 offsetof(struct public_drv_mb, _field))
70
71#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
72 DRV_ID_PDA_COMP_VER_SHIFT)
73
74#define MCP_BYTES_PER_MBIT_SHIFT 17
75
76bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
77{
78 if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
79 return false;
80 return true;
81}
82
83void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
84{
85 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
86 PUBLIC_PORT);
87 u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
88
89 p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
90 MFW_PORT(p_hwfn));
91 DP_VERBOSE(p_hwfn, QED_MSG_SP,
92 "port_addr = 0x%x, port_id 0x%02x\n",
93 p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
94}
95
96void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
97{
98 u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
99 u32 tmp, i;
100
101 if (!p_hwfn->mcp_info->public_base)
102 return;
103
104 for (i = 0; i < length; i++) {
105 tmp = qed_rd(p_hwfn, p_ptt,
106 p_hwfn->mcp_info->mfw_mb_addr +
107 (i << 2) + sizeof(u32));
108
109 /* The MB data is actually BE; Need to force it to cpu */
110 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
111 be32_to_cpu((__force __be32)tmp);
112 }
113}
114
115struct qed_mcp_cmd_elem {
116 struct list_head list;
117 struct qed_mcp_mb_params *p_mb_params;
118 u16 expected_seq_num;
119 bool b_is_completed;
120};
121
122/* Must be called while cmd_lock is acquired */
123static struct qed_mcp_cmd_elem *
124qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
125 struct qed_mcp_mb_params *p_mb_params,
126 u16 expected_seq_num)
127{
128 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
129
130 p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
131 if (!p_cmd_elem)
132 goto out;
133
134 p_cmd_elem->p_mb_params = p_mb_params;
135 p_cmd_elem->expected_seq_num = expected_seq_num;
136 list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
137out:
138 return p_cmd_elem;
139}
140
141/* Must be called while cmd_lock is acquired */
142static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
143 struct qed_mcp_cmd_elem *p_cmd_elem)
144{
145 list_del(&p_cmd_elem->list);
146 kfree(p_cmd_elem);
147}
148
149/* Must be called while cmd_lock is acquired */
150static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
151 u16 seq_num)
152{
153 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
154
155 list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
156 if (p_cmd_elem->expected_seq_num == seq_num)
157 return p_cmd_elem;
158 }
159
160 return NULL;
161}
162
163int qed_mcp_free(struct qed_hwfn *p_hwfn)
164{
165 if (p_hwfn->mcp_info) {
166 struct qed_mcp_cmd_elem *p_cmd_elem, *p_tmp;
167
168 kfree(p_hwfn->mcp_info->mfw_mb_cur);
169 kfree(p_hwfn->mcp_info->mfw_mb_shadow);
170
171 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
172 list_for_each_entry_safe(p_cmd_elem,
173 p_tmp,
174 &p_hwfn->mcp_info->cmd_list, list) {
175 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
176 }
177 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
178 }
179
180 kfree(p_hwfn->mcp_info);
181 p_hwfn->mcp_info = NULL;
182
183 return 0;
184}
185
186/* Maximum of 1 sec to wait for the SHMEM ready indication */
187#define QED_MCP_SHMEM_RDY_MAX_RETRIES 20
188#define QED_MCP_SHMEM_RDY_ITER_MS 50
189
190static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
191{
192 struct qed_mcp_info *p_info = p_hwfn->mcp_info;
193 u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
194 u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
195 u32 drv_mb_offsize, mfw_mb_offsize;
196 u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
197
198 p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
199 if (!p_info->public_base) {
200 DP_NOTICE(p_hwfn,
201 "The address of the MCP scratch-pad is not configured\n");
202 return -EINVAL;
203 }
204
205 p_info->public_base |= GRCBASE_MCP;
206
207 /* Get the MFW MB address and number of supported messages */
208 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
209 SECTION_OFFSIZE_ADDR(p_info->public_base,
210 PUBLIC_MFW_MB));
211 p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
212 p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
213 p_info->mfw_mb_addr +
214 offsetof(struct public_mfw_mb,
215 sup_msgs));
216
217 /* The driver can notify that there was an MCP reset, and might read the
218 * SHMEM values before the MFW has completed initializing them.
219 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
220 * data ready indication.
221 */
222 while (!p_info->mfw_mb_length && --cnt) {
223 msleep(msec);
224 p_info->mfw_mb_length =
225 (u16)qed_rd(p_hwfn, p_ptt,
226 p_info->mfw_mb_addr +
227 offsetof(struct public_mfw_mb, sup_msgs));
228 }
229
230 if (!cnt) {
231 DP_NOTICE(p_hwfn,
232 "Failed to get the SHMEM ready notification after %d msec\n",
233 QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
234 return -EBUSY;
235 }
236
237 /* Calculate the driver and MFW mailbox address */
238 drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
239 SECTION_OFFSIZE_ADDR(p_info->public_base,
240 PUBLIC_DRV_MB));
241 p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
242 DP_VERBOSE(p_hwfn, QED_MSG_SP,
243 "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
244 drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
245
246 /* Get the current driver mailbox sequence before sending
247 * the first command
248 */
249 p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
250 DRV_MSG_SEQ_NUMBER_MASK;
251
252 /* Get current FW pulse sequence */
253 p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
254 DRV_PULSE_SEQ_MASK;
255
256 p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
257
258 return 0;
259}
260
261int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
262{
263 struct qed_mcp_info *p_info;
264 u32 size;
265
266 /* Allocate mcp_info structure */
267 p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
268 if (!p_hwfn->mcp_info)
269 goto err;
270 p_info = p_hwfn->mcp_info;
271
272 /* Initialize the MFW spinlock */
273 spin_lock_init(&p_info->cmd_lock);
274 spin_lock_init(&p_info->link_lock);
275
276 INIT_LIST_HEAD(&p_info->cmd_list);
277
278 if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
279 DP_NOTICE(p_hwfn, "MCP is not initialized\n");
280 /* Do not free mcp_info here, since public_base indicate that
281 * the MCP is not initialized
282 */
283 return 0;
284 }
285
286 size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
287 p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
288 p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
289 if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
290 goto err;
291
292 return 0;
293
294err:
295 qed_mcp_free(p_hwfn);
296 return -ENOMEM;
297}
298
299static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
300 struct qed_ptt *p_ptt)
301{
302 u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
303
304 /* Use MCP history register to check if MCP reset occurred between init
305 * time and now.
306 */
307 if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
308 DP_VERBOSE(p_hwfn,
309 QED_MSG_SP,
310 "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
311 p_hwfn->mcp_info->mcp_hist, generic_por_0);
312
313 qed_load_mcp_offsets(p_hwfn, p_ptt);
314 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
315 }
316}
317
318int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
319{
320 u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
321 int rc = 0;
322
323 if (p_hwfn->mcp_info->b_block_cmd) {
324 DP_NOTICE(p_hwfn,
325 "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
326 return -EBUSY;
327 }
328
329 /* Ensure that only a single thread is accessing the mailbox */
330 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
331
332 org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
333
334 /* Set drv command along with the updated sequence */
335 qed_mcp_reread_offsets(p_hwfn, p_ptt);
336 seq = ++p_hwfn->mcp_info->drv_mb_seq;
337 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
338
339 do {
340 /* Wait for MFW response */
341 udelay(delay);
342 /* Give the FW up to 500 second (50*1000*10usec) */
343 } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
344 MISCS_REG_GENERIC_POR_0)) &&
345 (cnt++ < QED_MCP_RESET_RETRIES));
346
347 if (org_mcp_reset_seq !=
348 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
349 DP_VERBOSE(p_hwfn, QED_MSG_SP,
350 "MCP was reset after %d usec\n", cnt * delay);
351 } else {
352 DP_ERR(p_hwfn, "Failed to reset MCP\n");
353 rc = -EAGAIN;
354 }
355
356 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
357
358 return rc;
359}
360
361/* Must be called while cmd_lock is acquired */
362static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
363{
364 struct qed_mcp_cmd_elem *p_cmd_elem;
365
366 /* There is at most one pending command at a certain time, and if it
367 * exists - it is placed at the HEAD of the list.
368 */
369 if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
370 p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
371 struct qed_mcp_cmd_elem, list);
372 return !p_cmd_elem->b_is_completed;
373 }
374
375 return false;
376}
377
378/* Must be called while cmd_lock is acquired */
379static int
380qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
381{
382 struct qed_mcp_mb_params *p_mb_params;
383 struct qed_mcp_cmd_elem *p_cmd_elem;
384 u32 mcp_resp;
385 u16 seq_num;
386
387 mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
388 seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
389
390 /* Return if no new non-handled response has been received */
391 if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
392 return -EAGAIN;
393
394 p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
395 if (!p_cmd_elem) {
396 DP_ERR(p_hwfn,
397 "Failed to find a pending mailbox cmd that expects sequence number %d\n",
398 seq_num);
399 return -EINVAL;
400 }
401
402 p_mb_params = p_cmd_elem->p_mb_params;
403
404 /* Get the MFW response along with the sequence number */
405 p_mb_params->mcp_resp = mcp_resp;
406
407 /* Get the MFW param */
408 p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
409
410 /* Get the union data */
411 if (p_mb_params->p_data_dst != NULL && p_mb_params->data_dst_size) {
412 u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
413 offsetof(struct public_drv_mb,
414 union_data);
415 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
416 union_data_addr, p_mb_params->data_dst_size);
417 }
418
419 p_cmd_elem->b_is_completed = true;
420
421 return 0;
422}
423
424/* Must be called while cmd_lock is acquired */
425static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
426 struct qed_ptt *p_ptt,
427 struct qed_mcp_mb_params *p_mb_params,
428 u16 seq_num)
429{
430 union drv_union_data union_data;
431 u32 union_data_addr;
432
433 /* Set the union data */
434 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
435 offsetof(struct public_drv_mb, union_data);
436 memset(&union_data, 0, sizeof(union_data));
437 if (p_mb_params->p_data_src != NULL && p_mb_params->data_src_size)
438 memcpy(&union_data, p_mb_params->p_data_src,
439 p_mb_params->data_src_size);
440 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
441 sizeof(union_data));
442
443 /* Set the drv param */
444 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
445
446 /* Set the drv command along with the sequence number */
447 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
448
449 DP_VERBOSE(p_hwfn, QED_MSG_SP,
450 "MFW mailbox: command 0x%08x param 0x%08x\n",
451 (p_mb_params->cmd | seq_num), p_mb_params->param);
452}
453
454static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
455{
456 p_hwfn->mcp_info->b_block_cmd = block_cmd;
457
458 DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
459 block_cmd ? "Block" : "Unblock");
460}
461
462static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
463 struct qed_ptt *p_ptt)
464{
465 u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
466 u32 delay = QED_MCP_RESP_ITER_US;
467
468 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
469 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
470 cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
471 udelay(delay);
472 cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
473 udelay(delay);
474 cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
475
476 DP_NOTICE(p_hwfn,
477 "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
478 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
479}
480
481static int
482_qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
483 struct qed_ptt *p_ptt,
484 struct qed_mcp_mb_params *p_mb_params,
485 u32 max_retries, u32 usecs)
486{
487 u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000);
488 struct qed_mcp_cmd_elem *p_cmd_elem;
489 u16 seq_num;
490 int rc = 0;
491
492 /* Wait until the mailbox is non-occupied */
493 do {
494 /* Exit the loop if there is no pending command, or if the
495 * pending command is completed during this iteration.
496 * The spinlock stays locked until the command is sent.
497 */
498
499 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
500
501 if (!qed_mcp_has_pending_cmd(p_hwfn))
502 break;
503
504 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
505 if (!rc)
506 break;
507 else if (rc != -EAGAIN)
508 goto err;
509
510 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
511
512 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
513 msleep(msecs);
514 else
515 udelay(usecs);
516 } while (++cnt < max_retries);
517
518 if (cnt >= max_retries) {
519 DP_NOTICE(p_hwfn,
520 "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
521 p_mb_params->cmd, p_mb_params->param);
522 return -EAGAIN;
523 }
524
525 /* Send the mailbox command */
526 qed_mcp_reread_offsets(p_hwfn, p_ptt);
527 seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
528 p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
529 if (!p_cmd_elem) {
530 rc = -ENOMEM;
531 goto err;
532 }
533
534 __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
535 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
536
537 /* Wait for the MFW response */
538 do {
539 /* Exit the loop if the command is already completed, or if the
540 * command is completed during this iteration.
541 * The spinlock stays locked until the list element is removed.
542 */
543
544 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
545 msleep(msecs);
546 else
547 udelay(usecs);
548
549 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
550
551 if (p_cmd_elem->b_is_completed)
552 break;
553
554 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
555 if (!rc)
556 break;
557 else if (rc != -EAGAIN)
558 goto err;
559
560 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
561 } while (++cnt < max_retries);
562
563 if (cnt >= max_retries) {
564 DP_NOTICE(p_hwfn,
565 "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
566 p_mb_params->cmd, p_mb_params->param);
567 qed_mcp_print_cpu_info(p_hwfn, p_ptt);
568
569 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
570 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
571 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
572
573 if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
574 qed_mcp_cmd_set_blocking(p_hwfn, true);
575
576 return -EAGAIN;
577 }
578
579 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
580 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
581
582 DP_VERBOSE(p_hwfn,
583 QED_MSG_SP,
584 "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
585 p_mb_params->mcp_resp,
586 p_mb_params->mcp_param,
587 (cnt * usecs) / 1000, (cnt * usecs) % 1000);
588
589 /* Clear the sequence number from the MFW response */
590 p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
591
592 return 0;
593
594err:
595 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
596 return rc;
597}
598
599static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
600 struct qed_ptt *p_ptt,
601 struct qed_mcp_mb_params *p_mb_params)
602{
603 size_t union_data_size = sizeof(union drv_union_data);
604 u32 max_retries = QED_DRV_MB_MAX_RETRIES;
605 u32 usecs = QED_MCP_RESP_ITER_US;
606
607 /* MCP not initialized */
608 if (!qed_mcp_is_init(p_hwfn)) {
609 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
610 return -EBUSY;
611 }
612
613 if (p_hwfn->mcp_info->b_block_cmd) {
614 DP_NOTICE(p_hwfn,
615 "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
616 p_mb_params->cmd, p_mb_params->param);
617 return -EBUSY;
618 }
619
620 if (p_mb_params->data_src_size > union_data_size ||
621 p_mb_params->data_dst_size > union_data_size) {
622 DP_ERR(p_hwfn,
623 "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
624 p_mb_params->data_src_size,
625 p_mb_params->data_dst_size, union_data_size);
626 return -EINVAL;
627 }
628
629 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) {
630 max_retries = DIV_ROUND_UP(max_retries, 1000);
631 usecs *= 1000;
632 }
633
634 return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
635 usecs);
636}
637
638int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
639 struct qed_ptt *p_ptt,
640 u32 cmd,
641 u32 param,
642 u32 *o_mcp_resp,
643 u32 *o_mcp_param)
644{
645 struct qed_mcp_mb_params mb_params;
646 int rc;
647
648 memset(&mb_params, 0, sizeof(mb_params));
649 mb_params.cmd = cmd;
650 mb_params.param = param;
651
652 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
653 if (rc)
654 return rc;
655
656 *o_mcp_resp = mb_params.mcp_resp;
657 *o_mcp_param = mb_params.mcp_param;
658
659 return 0;
660}
661
662static int
663qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
664 struct qed_ptt *p_ptt,
665 u32 cmd,
666 u32 param,
667 u32 *o_mcp_resp,
668 u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
669{
670 struct qed_mcp_mb_params mb_params;
671 int rc;
672
673 memset(&mb_params, 0, sizeof(mb_params));
674 mb_params.cmd = cmd;
675 mb_params.param = param;
676 mb_params.p_data_src = i_buf;
677 mb_params.data_src_size = (u8)i_txn_size;
678 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
679 if (rc)
680 return rc;
681
682 *o_mcp_resp = mb_params.mcp_resp;
683 *o_mcp_param = mb_params.mcp_param;
684
685 /* nvm_info needs to be updated */
686 p_hwfn->nvm_info.valid = false;
687
688 return 0;
689}
690
691int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
692 struct qed_ptt *p_ptt,
693 u32 cmd,
694 u32 param,
695 u32 *o_mcp_resp,
696 u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf)
697{
698 struct qed_mcp_mb_params mb_params;
699 u8 raw_data[MCP_DRV_NVM_BUF_LEN];
700 int rc;
701
702 memset(&mb_params, 0, sizeof(mb_params));
703 mb_params.cmd = cmd;
704 mb_params.param = param;
705 mb_params.p_data_dst = raw_data;
706
707 /* Use the maximal value since the actual one is part of the response */
708 mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
709
710 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
711 if (rc)
712 return rc;
713
714 *o_mcp_resp = mb_params.mcp_resp;
715 *o_mcp_param = mb_params.mcp_param;
716
717 *o_txn_size = *o_mcp_param;
718 memcpy(o_buf, raw_data, *o_txn_size);
719
720 return 0;
721}
722
723static bool
724qed_mcp_can_force_load(u8 drv_role,
725 u8 exist_drv_role,
726 enum qed_override_force_load override_force_load)
727{
728 bool can_force_load = false;
729
730 switch (override_force_load) {
731 case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
732 can_force_load = true;
733 break;
734 case QED_OVERRIDE_FORCE_LOAD_NEVER:
735 can_force_load = false;
736 break;
737 default:
738 can_force_load = (drv_role == DRV_ROLE_OS &&
739 exist_drv_role == DRV_ROLE_PREBOOT) ||
740 (drv_role == DRV_ROLE_KDUMP &&
741 exist_drv_role == DRV_ROLE_OS);
742 break;
743 }
744
745 return can_force_load;
746}
747
748static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
749 struct qed_ptt *p_ptt)
750{
751 u32 resp = 0, param = 0;
752 int rc;
753
754 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
755 &resp, ¶m);
756 if (rc)
757 DP_NOTICE(p_hwfn,
758 "Failed to send cancel load request, rc = %d\n", rc);
759
760 return rc;
761}
762
763#define CONFIG_QEDE_BITMAP_IDX BIT(0)
764#define CONFIG_QED_SRIOV_BITMAP_IDX BIT(1)
765#define CONFIG_QEDR_BITMAP_IDX BIT(2)
766#define CONFIG_QEDF_BITMAP_IDX BIT(4)
767#define CONFIG_QEDI_BITMAP_IDX BIT(5)
768#define CONFIG_QED_LL2_BITMAP_IDX BIT(6)
769
770static u32 qed_get_config_bitmap(void)
771{
772 u32 config_bitmap = 0x0;
773
774 if (IS_ENABLED(CONFIG_QEDE))
775 config_bitmap |= CONFIG_QEDE_BITMAP_IDX;
776
777 if (IS_ENABLED(CONFIG_QED_SRIOV))
778 config_bitmap |= CONFIG_QED_SRIOV_BITMAP_IDX;
779
780 if (IS_ENABLED(CONFIG_QED_RDMA))
781 config_bitmap |= CONFIG_QEDR_BITMAP_IDX;
782
783 if (IS_ENABLED(CONFIG_QED_FCOE))
784 config_bitmap |= CONFIG_QEDF_BITMAP_IDX;
785
786 if (IS_ENABLED(CONFIG_QED_ISCSI))
787 config_bitmap |= CONFIG_QEDI_BITMAP_IDX;
788
789 if (IS_ENABLED(CONFIG_QED_LL2))
790 config_bitmap |= CONFIG_QED_LL2_BITMAP_IDX;
791
792 return config_bitmap;
793}
794
795struct qed_load_req_in_params {
796 u8 hsi_ver;
797#define QED_LOAD_REQ_HSI_VER_DEFAULT 0
798#define QED_LOAD_REQ_HSI_VER_1 1
799 u32 drv_ver_0;
800 u32 drv_ver_1;
801 u32 fw_ver;
802 u8 drv_role;
803 u8 timeout_val;
804 u8 force_cmd;
805 bool avoid_eng_reset;
806};
807
808struct qed_load_req_out_params {
809 u32 load_code;
810 u32 exist_drv_ver_0;
811 u32 exist_drv_ver_1;
812 u32 exist_fw_ver;
813 u8 exist_drv_role;
814 u8 mfw_hsi_ver;
815 bool drv_exists;
816};
817
818static int
819__qed_mcp_load_req(struct qed_hwfn *p_hwfn,
820 struct qed_ptt *p_ptt,
821 struct qed_load_req_in_params *p_in_params,
822 struct qed_load_req_out_params *p_out_params)
823{
824 struct qed_mcp_mb_params mb_params;
825 struct load_req_stc load_req;
826 struct load_rsp_stc load_rsp;
827 u32 hsi_ver;
828 int rc;
829
830 memset(&load_req, 0, sizeof(load_req));
831 load_req.drv_ver_0 = p_in_params->drv_ver_0;
832 load_req.drv_ver_1 = p_in_params->drv_ver_1;
833 load_req.fw_ver = p_in_params->fw_ver;
834 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
835 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
836 p_in_params->timeout_val);
837 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
838 p_in_params->force_cmd);
839 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
840 p_in_params->avoid_eng_reset);
841
842 hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
843 DRV_ID_MCP_HSI_VER_CURRENT :
844 (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
845
846 memset(&mb_params, 0, sizeof(mb_params));
847 mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
848 mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
849 mb_params.p_data_src = &load_req;
850 mb_params.data_src_size = sizeof(load_req);
851 mb_params.p_data_dst = &load_rsp;
852 mb_params.data_dst_size = sizeof(load_rsp);
853 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
854
855 DP_VERBOSE(p_hwfn, QED_MSG_SP,
856 "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
857 mb_params.param,
858 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
859 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
860 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
861 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
862
863 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
864 DP_VERBOSE(p_hwfn, QED_MSG_SP,
865 "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",
866 load_req.drv_ver_0,
867 load_req.drv_ver_1,
868 load_req.fw_ver,
869 load_req.misc0,
870 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
871 QED_MFW_GET_FIELD(load_req.misc0,
872 LOAD_REQ_LOCK_TO),
873 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
874 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
875 }
876
877 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
878 if (rc) {
879 DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
880 return rc;
881 }
882
883 DP_VERBOSE(p_hwfn, QED_MSG_SP,
884 "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
885 p_out_params->load_code = mb_params.mcp_resp;
886
887 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
888 p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
889 DP_VERBOSE(p_hwfn,
890 QED_MSG_SP,
891 "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",
892 load_rsp.drv_ver_0,
893 load_rsp.drv_ver_1,
894 load_rsp.fw_ver,
895 load_rsp.misc0,
896 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
897 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
898 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
899
900 p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
901 p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
902 p_out_params->exist_fw_ver = load_rsp.fw_ver;
903 p_out_params->exist_drv_role =
904 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
905 p_out_params->mfw_hsi_ver =
906 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
907 p_out_params->drv_exists =
908 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
909 LOAD_RSP_FLAGS0_DRV_EXISTS;
910 }
911
912 return 0;
913}
914
915static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
916 enum qed_drv_role drv_role,
917 u8 *p_mfw_drv_role)
918{
919 switch (drv_role) {
920 case QED_DRV_ROLE_OS:
921 *p_mfw_drv_role = DRV_ROLE_OS;
922 break;
923 case QED_DRV_ROLE_KDUMP:
924 *p_mfw_drv_role = DRV_ROLE_KDUMP;
925 break;
926 default:
927 DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
928 return -EINVAL;
929 }
930
931 return 0;
932}
933
934enum qed_load_req_force {
935 QED_LOAD_REQ_FORCE_NONE,
936 QED_LOAD_REQ_FORCE_PF,
937 QED_LOAD_REQ_FORCE_ALL,
938};
939
940static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
941
942 enum qed_load_req_force force_cmd,
943 u8 *p_mfw_force_cmd)
944{
945 switch (force_cmd) {
946 case QED_LOAD_REQ_FORCE_NONE:
947 *p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
948 break;
949 case QED_LOAD_REQ_FORCE_PF:
950 *p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
951 break;
952 case QED_LOAD_REQ_FORCE_ALL:
953 *p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
954 break;
955 }
956}
957
958int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
959 struct qed_ptt *p_ptt,
960 struct qed_load_req_params *p_params)
961{
962 struct qed_load_req_out_params out_params;
963 struct qed_load_req_in_params in_params;
964 u8 mfw_drv_role, mfw_force_cmd;
965 int rc;
966
967 memset(&in_params, 0, sizeof(in_params));
968 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
969 in_params.drv_ver_0 = QED_VERSION;
970 in_params.drv_ver_1 = qed_get_config_bitmap();
971 in_params.fw_ver = STORM_FW_VERSION;
972 rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
973 if (rc)
974 return rc;
975
976 in_params.drv_role = mfw_drv_role;
977 in_params.timeout_val = p_params->timeout_val;
978 qed_get_mfw_force_cmd(p_hwfn,
979 QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
980
981 in_params.force_cmd = mfw_force_cmd;
982 in_params.avoid_eng_reset = p_params->avoid_eng_reset;
983
984 memset(&out_params, 0, sizeof(out_params));
985 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
986 if (rc)
987 return rc;
988
989 /* First handle cases where another load request should/might be sent:
990 * - MFW expects the old interface [HSI version = 1]
991 * - MFW responds that a force load request is required
992 */
993 if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
994 DP_INFO(p_hwfn,
995 "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
996
997 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
998 memset(&out_params, 0, sizeof(out_params));
999 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
1000 if (rc)
1001 return rc;
1002 } else if (out_params.load_code ==
1003 FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1004 if (qed_mcp_can_force_load(in_params.drv_role,
1005 out_params.exist_drv_role,
1006 p_params->override_force_load)) {
1007 DP_INFO(p_hwfn,
1008 "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",
1009 in_params.drv_role, in_params.fw_ver,
1010 in_params.drv_ver_0, in_params.drv_ver_1,
1011 out_params.exist_drv_role,
1012 out_params.exist_fw_ver,
1013 out_params.exist_drv_ver_0,
1014 out_params.exist_drv_ver_1);
1015
1016 qed_get_mfw_force_cmd(p_hwfn,
1017 QED_LOAD_REQ_FORCE_ALL,
1018 &mfw_force_cmd);
1019
1020 in_params.force_cmd = mfw_force_cmd;
1021 memset(&out_params, 0, sizeof(out_params));
1022 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1023 &out_params);
1024 if (rc)
1025 return rc;
1026 } else {
1027 DP_NOTICE(p_hwfn,
1028 "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",
1029 in_params.drv_role, in_params.fw_ver,
1030 in_params.drv_ver_0, in_params.drv_ver_1,
1031 out_params.exist_drv_role,
1032 out_params.exist_fw_ver,
1033 out_params.exist_drv_ver_0,
1034 out_params.exist_drv_ver_1);
1035 DP_NOTICE(p_hwfn,
1036 "Avoid sending a force load request to prevent disruption of active PFs\n");
1037
1038 qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1039 return -EBUSY;
1040 }
1041 }
1042
1043 /* Now handle the other types of responses.
1044 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1045 * expected here after the additional revised load requests were sent.
1046 */
1047 switch (out_params.load_code) {
1048 case FW_MSG_CODE_DRV_LOAD_ENGINE:
1049 case FW_MSG_CODE_DRV_LOAD_PORT:
1050 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1051 if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1052 out_params.drv_exists) {
1053 /* The role and fw/driver version match, but the PF is
1054 * already loaded and has not been unloaded gracefully.
1055 */
1056 DP_NOTICE(p_hwfn,
1057 "PF is already loaded\n");
1058 return -EINVAL;
1059 }
1060 break;
1061 default:
1062 DP_NOTICE(p_hwfn,
1063 "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1064 out_params.load_code);
1065 return -EBUSY;
1066 }
1067
1068 p_params->load_code = out_params.load_code;
1069
1070 return 0;
1071}
1072
1073int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1074{
1075 u32 resp = 0, param = 0;
1076 int rc;
1077
1078 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1079 ¶m);
1080 if (rc) {
1081 DP_NOTICE(p_hwfn,
1082 "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1083 return rc;
1084 }
1085
1086 /* Check if there is a DID mismatch between nvm-cfg/efuse */
1087 if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1088 DP_NOTICE(p_hwfn,
1089 "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1090
1091 return 0;
1092}
1093
1094int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1095{
1096 struct qed_mcp_mb_params mb_params;
1097 u32 wol_param;
1098
1099 switch (p_hwfn->cdev->wol_config) {
1100 case QED_OV_WOL_DISABLED:
1101 wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1102 break;
1103 case QED_OV_WOL_ENABLED:
1104 wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1105 break;
1106 default:
1107 DP_NOTICE(p_hwfn,
1108 "Unknown WoL configuration %02x\n",
1109 p_hwfn->cdev->wol_config);
1110 /* Fallthrough */
1111 case QED_OV_WOL_DEFAULT:
1112 wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1113 }
1114
1115 memset(&mb_params, 0, sizeof(mb_params));
1116 mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1117 mb_params.param = wol_param;
1118 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1119
1120 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1121}
1122
1123int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1124{
1125 struct qed_mcp_mb_params mb_params;
1126 struct mcp_mac wol_mac;
1127
1128 memset(&mb_params, 0, sizeof(mb_params));
1129 mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1130
1131 /* Set the primary MAC if WoL is enabled */
1132 if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1133 u8 *p_mac = p_hwfn->cdev->wol_mac;
1134
1135 memset(&wol_mac, 0, sizeof(wol_mac));
1136 wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1137 wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1138 p_mac[4] << 8 | p_mac[5];
1139
1140 DP_VERBOSE(p_hwfn,
1141 (QED_MSG_SP | NETIF_MSG_IFDOWN),
1142 "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1143 p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1144
1145 mb_params.p_data_src = &wol_mac;
1146 mb_params.data_src_size = sizeof(wol_mac);
1147 }
1148
1149 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1150}
1151
1152static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1153 struct qed_ptt *p_ptt)
1154{
1155 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1156 PUBLIC_PATH);
1157 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1158 u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1159 QED_PATH_ID(p_hwfn));
1160 u32 disabled_vfs[VF_MAX_STATIC / 32];
1161 int i;
1162
1163 DP_VERBOSE(p_hwfn,
1164 QED_MSG_SP,
1165 "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1166 mfw_path_offsize, path_addr);
1167
1168 for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1169 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1170 path_addr +
1171 offsetof(struct public_path,
1172 mcp_vf_disabled) +
1173 sizeof(u32) * i);
1174 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1175 "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1176 i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1177 }
1178
1179 if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1180 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1181}
1182
1183int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1184 struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1185{
1186 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1187 PUBLIC_FUNC);
1188 u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1189 u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1190 MCP_PF_ID(p_hwfn));
1191 struct qed_mcp_mb_params mb_params;
1192 int rc;
1193 int i;
1194
1195 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1196 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1197 "Acking VFs [%08x,...,%08x] - %08x\n",
1198 i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1199
1200 memset(&mb_params, 0, sizeof(mb_params));
1201 mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1202 mb_params.p_data_src = vfs_to_ack;
1203 mb_params.data_src_size = VF_MAX_STATIC / 8;
1204 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1205 if (rc) {
1206 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1207 return -EBUSY;
1208 }
1209
1210 /* Clear the ACK bits */
1211 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1212 qed_wr(p_hwfn, p_ptt,
1213 func_addr +
1214 offsetof(struct public_func, drv_ack_vf_disabled) +
1215 i * sizeof(u32), 0);
1216
1217 return rc;
1218}
1219
1220static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1221 struct qed_ptt *p_ptt)
1222{
1223 u32 transceiver_state;
1224
1225 transceiver_state = qed_rd(p_hwfn, p_ptt,
1226 p_hwfn->mcp_info->port_addr +
1227 offsetof(struct public_port,
1228 transceiver_data));
1229
1230 DP_VERBOSE(p_hwfn,
1231 (NETIF_MSG_HW | QED_MSG_SP),
1232 "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1233 transceiver_state,
1234 (u32)(p_hwfn->mcp_info->port_addr +
1235 offsetof(struct public_port, transceiver_data)));
1236
1237 transceiver_state = GET_FIELD(transceiver_state,
1238 ETH_TRANSCEIVER_STATE);
1239
1240 if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1241 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1242 else
1243 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1244}
1245
1246static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1247 struct qed_ptt *p_ptt,
1248 struct qed_mcp_link_state *p_link)
1249{
1250 u32 eee_status, val;
1251
1252 p_link->eee_adv_caps = 0;
1253 p_link->eee_lp_adv_caps = 0;
1254 eee_status = qed_rd(p_hwfn,
1255 p_ptt,
1256 p_hwfn->mcp_info->port_addr +
1257 offsetof(struct public_port, eee_status));
1258 p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1259 val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1260 if (val & EEE_1G_ADV)
1261 p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1262 if (val & EEE_10G_ADV)
1263 p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1264 val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1265 if (val & EEE_1G_ADV)
1266 p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1267 if (val & EEE_10G_ADV)
1268 p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1269}
1270
1271static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1272 struct qed_ptt *p_ptt,
1273 struct public_func *p_data, int pfid)
1274{
1275 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1276 PUBLIC_FUNC);
1277 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1278 u32 func_addr;
1279 u32 i, size;
1280
1281 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1282 memset(p_data, 0, sizeof(*p_data));
1283
1284 size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1285 for (i = 0; i < size / sizeof(u32); i++)
1286 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1287 func_addr + (i << 2));
1288 return size;
1289}
1290
1291static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1292 struct public_func *p_shmem_info)
1293{
1294 struct qed_mcp_function_info *p_info;
1295
1296 p_info = &p_hwfn->mcp_info->func_info;
1297
1298 p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1299 FUNC_MF_CFG_MIN_BW);
1300 if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1301 DP_INFO(p_hwfn,
1302 "bandwidth minimum out of bounds [%02x]. Set to 1\n",
1303 p_info->bandwidth_min);
1304 p_info->bandwidth_min = 1;
1305 }
1306
1307 p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1308 FUNC_MF_CFG_MAX_BW);
1309 if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1310 DP_INFO(p_hwfn,
1311 "bandwidth maximum out of bounds [%02x]. Set to 100\n",
1312 p_info->bandwidth_max);
1313 p_info->bandwidth_max = 100;
1314 }
1315}
1316
1317static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1318 struct qed_ptt *p_ptt, bool b_reset)
1319{
1320 struct qed_mcp_link_state *p_link;
1321 u8 max_bw, min_bw;
1322 u32 status = 0;
1323
1324 /* Prevent SW/attentions from doing this at the same time */
1325 spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1326
1327 p_link = &p_hwfn->mcp_info->link_output;
1328 memset(p_link, 0, sizeof(*p_link));
1329 if (!b_reset) {
1330 status = qed_rd(p_hwfn, p_ptt,
1331 p_hwfn->mcp_info->port_addr +
1332 offsetof(struct public_port, link_status));
1333 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1334 "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1335 status,
1336 (u32)(p_hwfn->mcp_info->port_addr +
1337 offsetof(struct public_port, link_status)));
1338 } else {
1339 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1340 "Resetting link indications\n");
1341 goto out;
1342 }
1343
1344 if (p_hwfn->b_drv_link_init) {
1345 /* Link indication with modern MFW arrives as per-PF
1346 * indication.
1347 */
1348 if (p_hwfn->mcp_info->capabilities &
1349 FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1350 struct public_func shmem_info;
1351
1352 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1353 MCP_PF_ID(p_hwfn));
1354 p_link->link_up = !!(shmem_info.status &
1355 FUNC_STATUS_VIRTUAL_LINK_UP);
1356 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1357 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1358 "Virtual link_up = %d\n", p_link->link_up);
1359 } else {
1360 p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1361 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1362 "Physical link_up = %d\n", p_link->link_up);
1363 }
1364 } else {
1365 p_link->link_up = false;
1366 }
1367
1368 p_link->full_duplex = true;
1369 switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1370 case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1371 p_link->speed = 100000;
1372 break;
1373 case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1374 p_link->speed = 50000;
1375 break;
1376 case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1377 p_link->speed = 40000;
1378 break;
1379 case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1380 p_link->speed = 25000;
1381 break;
1382 case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1383 p_link->speed = 20000;
1384 break;
1385 case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1386 p_link->speed = 10000;
1387 break;
1388 case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1389 p_link->full_duplex = false;
1390 /* Fall-through */
1391 case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1392 p_link->speed = 1000;
1393 break;
1394 default:
1395 p_link->speed = 0;
1396 p_link->link_up = 0;
1397 }
1398
1399 if (p_link->link_up && p_link->speed)
1400 p_link->line_speed = p_link->speed;
1401 else
1402 p_link->line_speed = 0;
1403
1404 max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1405 min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1406
1407 /* Max bandwidth configuration */
1408 __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1409
1410 /* Min bandwidth configuration */
1411 __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1412 qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1413 p_link->min_pf_rate);
1414
1415 p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1416 p_link->an_complete = !!(status &
1417 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1418 p_link->parallel_detection = !!(status &
1419 LINK_STATUS_PARALLEL_DETECTION_USED);
1420 p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1421
1422 p_link->partner_adv_speed |=
1423 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1424 QED_LINK_PARTNER_SPEED_1G_FD : 0;
1425 p_link->partner_adv_speed |=
1426 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1427 QED_LINK_PARTNER_SPEED_1G_HD : 0;
1428 p_link->partner_adv_speed |=
1429 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1430 QED_LINK_PARTNER_SPEED_10G : 0;
1431 p_link->partner_adv_speed |=
1432 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1433 QED_LINK_PARTNER_SPEED_20G : 0;
1434 p_link->partner_adv_speed |=
1435 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1436 QED_LINK_PARTNER_SPEED_25G : 0;
1437 p_link->partner_adv_speed |=
1438 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1439 QED_LINK_PARTNER_SPEED_40G : 0;
1440 p_link->partner_adv_speed |=
1441 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1442 QED_LINK_PARTNER_SPEED_50G : 0;
1443 p_link->partner_adv_speed |=
1444 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1445 QED_LINK_PARTNER_SPEED_100G : 0;
1446
1447 p_link->partner_tx_flow_ctrl_en =
1448 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1449 p_link->partner_rx_flow_ctrl_en =
1450 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1451
1452 switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1453 case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1454 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1455 break;
1456 case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1457 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1458 break;
1459 case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1460 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1461 break;
1462 default:
1463 p_link->partner_adv_pause = 0;
1464 }
1465
1466 p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1467
1468 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1469 qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1470
1471 qed_link_update(p_hwfn, p_ptt);
1472out:
1473 spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1474}
1475
1476int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1477{
1478 struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1479 struct qed_mcp_mb_params mb_params;
1480 struct eth_phy_cfg phy_cfg;
1481 int rc = 0;
1482 u32 cmd;
1483
1484 /* Set the shmem configuration according to params */
1485 memset(&phy_cfg, 0, sizeof(phy_cfg));
1486 cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1487 if (!params->speed.autoneg)
1488 phy_cfg.speed = params->speed.forced_speed;
1489 phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1490 phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1491 phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1492 phy_cfg.adv_speed = params->speed.advertised_speeds;
1493 phy_cfg.loopback_mode = params->loopback_mode;
1494
1495 /* There are MFWs that share this capability regardless of whether
1496 * this is feasible or not. And given that at the very least adv_caps
1497 * would be set internally by qed, we want to make sure LFA would
1498 * still work.
1499 */
1500 if ((p_hwfn->mcp_info->capabilities &
1501 FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1502 phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1503 if (params->eee.tx_lpi_enable)
1504 phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1505 if (params->eee.adv_caps & QED_EEE_1G_ADV)
1506 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1507 if (params->eee.adv_caps & QED_EEE_10G_ADV)
1508 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1509 phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1510 EEE_TX_TIMER_USEC_OFFSET) &
1511 EEE_TX_TIMER_USEC_MASK;
1512 }
1513
1514 p_hwfn->b_drv_link_init = b_up;
1515
1516 if (b_up) {
1517 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1518 "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n",
1519 phy_cfg.speed,
1520 phy_cfg.pause,
1521 phy_cfg.adv_speed,
1522 phy_cfg.loopback_mode,
1523 phy_cfg.feature_config_flags);
1524 } else {
1525 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1526 "Resetting link\n");
1527 }
1528
1529 memset(&mb_params, 0, sizeof(mb_params));
1530 mb_params.cmd = cmd;
1531 mb_params.p_data_src = &phy_cfg;
1532 mb_params.data_src_size = sizeof(phy_cfg);
1533 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1534
1535 /* if mcp fails to respond we must abort */
1536 if (rc) {
1537 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1538 return rc;
1539 }
1540
1541 /* Mimic link-change attention, done for several reasons:
1542 * - On reset, there's no guarantee MFW would trigger
1543 * an attention.
1544 * - On initialization, older MFWs might not indicate link change
1545 * during LFA, so we'll never get an UP indication.
1546 */
1547 qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1548
1549 return 0;
1550}
1551
1552u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1553 struct qed_ptt *p_ptt)
1554{
1555 u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1556
1557 if (IS_VF(p_hwfn->cdev))
1558 return -EINVAL;
1559
1560 path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1561 PUBLIC_PATH);
1562 path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1563 path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1564
1565 proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1566 path_addr +
1567 offsetof(struct public_path, process_kill)) &
1568 PROCESS_KILL_COUNTER_MASK;
1569
1570 return proc_kill_cnt;
1571}
1572
1573static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1574 struct qed_ptt *p_ptt)
1575{
1576 struct qed_dev *cdev = p_hwfn->cdev;
1577 u32 proc_kill_cnt;
1578
1579 /* Prevent possible attentions/interrupts during the recovery handling
1580 * and till its load phase, during which they will be re-enabled.
1581 */
1582 qed_int_igu_disable_int(p_hwfn, p_ptt);
1583
1584 DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1585
1586 /* The following operations should be done once, and thus in CMT mode
1587 * are carried out by only the first HW function.
1588 */
1589 if (p_hwfn != QED_LEADING_HWFN(cdev))
1590 return;
1591
1592 if (cdev->recov_in_prog) {
1593 DP_NOTICE(p_hwfn,
1594 "Ignoring the indication since a recovery process is already in progress\n");
1595 return;
1596 }
1597
1598 cdev->recov_in_prog = true;
1599
1600 proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1601 DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1602
1603 qed_schedule_recovery_handler(p_hwfn);
1604}
1605
1606static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1607 struct qed_ptt *p_ptt,
1608 enum MFW_DRV_MSG_TYPE type)
1609{
1610 enum qed_mcp_protocol_type stats_type;
1611 union qed_mcp_protocol_stats stats;
1612 struct qed_mcp_mb_params mb_params;
1613 u32 hsi_param;
1614
1615 switch (type) {
1616 case MFW_DRV_MSG_GET_LAN_STATS:
1617 stats_type = QED_MCP_LAN_STATS;
1618 hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1619 break;
1620 case MFW_DRV_MSG_GET_FCOE_STATS:
1621 stats_type = QED_MCP_FCOE_STATS;
1622 hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1623 break;
1624 case MFW_DRV_MSG_GET_ISCSI_STATS:
1625 stats_type = QED_MCP_ISCSI_STATS;
1626 hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1627 break;
1628 case MFW_DRV_MSG_GET_RDMA_STATS:
1629 stats_type = QED_MCP_RDMA_STATS;
1630 hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1631 break;
1632 default:
1633 DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1634 return;
1635 }
1636
1637 qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1638
1639 memset(&mb_params, 0, sizeof(mb_params));
1640 mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1641 mb_params.param = hsi_param;
1642 mb_params.p_data_src = &stats;
1643 mb_params.data_src_size = sizeof(stats);
1644 qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1645}
1646
1647static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1648{
1649 struct qed_mcp_function_info *p_info;
1650 struct public_func shmem_info;
1651 u32 resp = 0, param = 0;
1652
1653 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1654
1655 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1656
1657 p_info = &p_hwfn->mcp_info->func_info;
1658
1659 qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1660 qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1661
1662 /* Acknowledge the MFW */
1663 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1664 ¶m);
1665}
1666
1667static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1668{
1669 struct public_func shmem_info;
1670 u32 resp = 0, param = 0;
1671
1672 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1673
1674 p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1675 FUNC_MF_CFG_OV_STAG_MASK;
1676 p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1677 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1678 if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1679 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1680 p_hwfn->hw_info.ovlan);
1681 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1682
1683 /* Configure DB to add external vlan to EDPM packets */
1684 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1685 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1686 p_hwfn->hw_info.ovlan);
1687 } else {
1688 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1689 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1690 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1691 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1692 }
1693
1694 qed_sp_pf_update_stag(p_hwfn);
1695 }
1696
1697 DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1698 p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1699
1700 /* Acknowledge the MFW */
1701 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1702 &resp, ¶m);
1703}
1704
1705void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1706{
1707 struct public_func shmem_info;
1708 u32 port_cfg, val;
1709
1710 if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1711 return;
1712
1713 memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1714 port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1715 offsetof(struct public_port, oem_cfg_port));
1716 val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1717 OEM_CFG_CHANNEL_TYPE_OFFSET;
1718 if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1719 DP_NOTICE(p_hwfn,
1720 "Incorrect UFP Channel type %d port_id 0x%02x\n",
1721 val, MFW_PORT(p_hwfn));
1722
1723 val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1724 if (val == OEM_CFG_SCHED_TYPE_ETS) {
1725 p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1726 } else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1727 p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1728 } else {
1729 p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1730 DP_NOTICE(p_hwfn,
1731 "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1732 val, MFW_PORT(p_hwfn));
1733 }
1734
1735 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1736 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1737 OEM_CFG_FUNC_TC_OFFSET;
1738 p_hwfn->ufp_info.tc = (u8)val;
1739 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1740 OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1741 if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1742 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1743 } else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1744 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1745 } else {
1746 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1747 DP_NOTICE(p_hwfn,
1748 "Unknown Host priority control %d port_id 0x%02x\n",
1749 val, MFW_PORT(p_hwfn));
1750 }
1751
1752 DP_NOTICE(p_hwfn,
1753 "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1754 p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1755 p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1756}
1757
1758static int
1759qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1760{
1761 qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1762
1763 if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1764 p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
1765 qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
1766 p_hwfn->ufp_info.tc);
1767
1768 qed_qm_reconf(p_hwfn, p_ptt);
1769 } else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
1770 /* Merge UFP TC with the dcbx TC data */
1771 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1772 QED_DCBX_OPERATIONAL_MIB);
1773 } else {
1774 DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
1775 return -EINVAL;
1776 }
1777
1778 /* update storm FW with negotiation results */
1779 qed_sp_pf_update_ufp(p_hwfn);
1780
1781 /* update stag pcp value */
1782 qed_sp_pf_update_stag(p_hwfn);
1783
1784 return 0;
1785}
1786
1787int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
1788 struct qed_ptt *p_ptt)
1789{
1790 struct qed_mcp_info *info = p_hwfn->mcp_info;
1791 int rc = 0;
1792 bool found = false;
1793 u16 i;
1794
1795 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
1796
1797 /* Read Messages from MFW */
1798 qed_mcp_read_mb(p_hwfn, p_ptt);
1799
1800 /* Compare current messages to old ones */
1801 for (i = 0; i < info->mfw_mb_length; i++) {
1802 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
1803 continue;
1804
1805 found = true;
1806
1807 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1808 "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
1809 i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
1810
1811 switch (i) {
1812 case MFW_DRV_MSG_LINK_CHANGE:
1813 qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
1814 break;
1815 case MFW_DRV_MSG_VF_DISABLED:
1816 qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
1817 break;
1818 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
1819 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1820 QED_DCBX_REMOTE_LLDP_MIB);
1821 break;
1822 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
1823 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1824 QED_DCBX_REMOTE_MIB);
1825 break;
1826 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
1827 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1828 QED_DCBX_OPERATIONAL_MIB);
1829 break;
1830 case MFW_DRV_MSG_OEM_CFG_UPDATE:
1831 qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
1832 break;
1833 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
1834 qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
1835 break;
1836 case MFW_DRV_MSG_ERROR_RECOVERY:
1837 qed_mcp_handle_process_kill(p_hwfn, p_ptt);
1838 break;
1839 case MFW_DRV_MSG_GET_LAN_STATS:
1840 case MFW_DRV_MSG_GET_FCOE_STATS:
1841 case MFW_DRV_MSG_GET_ISCSI_STATS:
1842 case MFW_DRV_MSG_GET_RDMA_STATS:
1843 qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
1844 break;
1845 case MFW_DRV_MSG_BW_UPDATE:
1846 qed_mcp_update_bw(p_hwfn, p_ptt);
1847 break;
1848 case MFW_DRV_MSG_S_TAG_UPDATE:
1849 qed_mcp_update_stag(p_hwfn, p_ptt);
1850 break;
1851 case MFW_DRV_MSG_GET_TLV_REQ:
1852 qed_mfw_tlv_req(p_hwfn);
1853 break;
1854 default:
1855 DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
1856 rc = -EINVAL;
1857 }
1858 }
1859
1860 /* ACK everything */
1861 for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
1862 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
1863
1864 /* MFW expect answer in BE, so we force write in that format */
1865 qed_wr(p_hwfn, p_ptt,
1866 info->mfw_mb_addr + sizeof(u32) +
1867 MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
1868 sizeof(u32) + i * sizeof(u32),
1869 (__force u32)val);
1870 }
1871
1872 if (!found) {
1873 DP_NOTICE(p_hwfn,
1874 "Received an MFW message indication but no new message!\n");
1875 rc = -EINVAL;
1876 }
1877
1878 /* Copy the new mfw messages into the shadow */
1879 memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
1880
1881 return rc;
1882}
1883
1884int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
1885 struct qed_ptt *p_ptt,
1886 u32 *p_mfw_ver, u32 *p_running_bundle_id)
1887{
1888 u32 global_offsize;
1889
1890 if (IS_VF(p_hwfn->cdev)) {
1891 if (p_hwfn->vf_iov_info) {
1892 struct pfvf_acquire_resp_tlv *p_resp;
1893
1894 p_resp = &p_hwfn->vf_iov_info->acquire_resp;
1895 *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
1896 return 0;
1897 } else {
1898 DP_VERBOSE(p_hwfn,
1899 QED_MSG_IOV,
1900 "VF requested MFW version prior to ACQUIRE\n");
1901 return -EINVAL;
1902 }
1903 }
1904
1905 global_offsize = qed_rd(p_hwfn, p_ptt,
1906 SECTION_OFFSIZE_ADDR(p_hwfn->
1907 mcp_info->public_base,
1908 PUBLIC_GLOBAL));
1909 *p_mfw_ver =
1910 qed_rd(p_hwfn, p_ptt,
1911 SECTION_ADDR(global_offsize,
1912 0) + offsetof(struct public_global, mfw_ver));
1913
1914 if (p_running_bundle_id != NULL) {
1915 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
1916 SECTION_ADDR(global_offsize, 0) +
1917 offsetof(struct public_global,
1918 running_bundle_id));
1919 }
1920
1921 return 0;
1922}
1923
1924int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
1925 struct qed_ptt *p_ptt, u32 *p_mbi_ver)
1926{
1927 u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
1928
1929 if (IS_VF(p_hwfn->cdev))
1930 return -EINVAL;
1931
1932 /* Read the address of the nvm_cfg */
1933 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
1934 if (!nvm_cfg_addr) {
1935 DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
1936 return -EINVAL;
1937 }
1938
1939 /* Read the offset of nvm_cfg1 */
1940 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
1941
1942 mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
1943 offsetof(struct nvm_cfg1, glob) +
1944 offsetof(struct nvm_cfg1_glob, mbi_version);
1945 *p_mbi_ver = qed_rd(p_hwfn, p_ptt,
1946 mbi_ver_addr) &
1947 (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
1948 NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
1949 NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
1950
1951 return 0;
1952}
1953
1954int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
1955 struct qed_ptt *p_ptt, u32 *p_media_type)
1956{
1957 *p_media_type = MEDIA_UNSPECIFIED;
1958
1959 if (IS_VF(p_hwfn->cdev))
1960 return -EINVAL;
1961
1962 if (!qed_mcp_is_init(p_hwfn)) {
1963 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
1964 return -EBUSY;
1965 }
1966
1967 if (!p_ptt) {
1968 *p_media_type = MEDIA_UNSPECIFIED;
1969 return -EINVAL;
1970 }
1971
1972 *p_media_type = qed_rd(p_hwfn, p_ptt,
1973 p_hwfn->mcp_info->port_addr +
1974 offsetof(struct public_port,
1975 media_type));
1976
1977 return 0;
1978}
1979
1980int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
1981 struct qed_ptt *p_ptt,
1982 u32 *p_transceiver_state,
1983 u32 *p_transceiver_type)
1984{
1985 u32 transceiver_info;
1986
1987 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
1988 *p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
1989
1990 if (IS_VF(p_hwfn->cdev))
1991 return -EINVAL;
1992
1993 if (!qed_mcp_is_init(p_hwfn)) {
1994 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
1995 return -EBUSY;
1996 }
1997
1998 transceiver_info = qed_rd(p_hwfn, p_ptt,
1999 p_hwfn->mcp_info->port_addr +
2000 offsetof(struct public_port,
2001 transceiver_data));
2002
2003 *p_transceiver_state = (transceiver_info &
2004 ETH_TRANSCEIVER_STATE_MASK) >>
2005 ETH_TRANSCEIVER_STATE_OFFSET;
2006
2007 if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2008 *p_transceiver_type = (transceiver_info &
2009 ETH_TRANSCEIVER_TYPE_MASK) >>
2010 ETH_TRANSCEIVER_TYPE_OFFSET;
2011 else
2012 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2013
2014 return 0;
2015}
2016static bool qed_is_transceiver_ready(u32 transceiver_state,
2017 u32 transceiver_type)
2018{
2019 if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2020 ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2021 (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2022 return true;
2023
2024 return false;
2025}
2026
2027int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2028 struct qed_ptt *p_ptt, u32 *p_speed_mask)
2029{
2030 u32 transceiver_type, transceiver_state;
2031 int ret;
2032
2033 ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2034 &transceiver_type);
2035 if (ret)
2036 return ret;
2037
2038 if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2039 false)
2040 return -EINVAL;
2041
2042 switch (transceiver_type) {
2043 case ETH_TRANSCEIVER_TYPE_1G_LX:
2044 case ETH_TRANSCEIVER_TYPE_1G_SX:
2045 case ETH_TRANSCEIVER_TYPE_1G_PCC:
2046 case ETH_TRANSCEIVER_TYPE_1G_ACC:
2047 case ETH_TRANSCEIVER_TYPE_1000BASET:
2048 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2049 break;
2050 case ETH_TRANSCEIVER_TYPE_10G_SR:
2051 case ETH_TRANSCEIVER_TYPE_10G_LR:
2052 case ETH_TRANSCEIVER_TYPE_10G_LRM:
2053 case ETH_TRANSCEIVER_TYPE_10G_ER:
2054 case ETH_TRANSCEIVER_TYPE_10G_PCC:
2055 case ETH_TRANSCEIVER_TYPE_10G_ACC:
2056 case ETH_TRANSCEIVER_TYPE_4x10G:
2057 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2058 break;
2059 case ETH_TRANSCEIVER_TYPE_40G_LR4:
2060 case ETH_TRANSCEIVER_TYPE_40G_SR4:
2061 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2062 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2063 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2064 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2065 break;
2066 case ETH_TRANSCEIVER_TYPE_100G_AOC:
2067 case ETH_TRANSCEIVER_TYPE_100G_SR4:
2068 case ETH_TRANSCEIVER_TYPE_100G_LR4:
2069 case ETH_TRANSCEIVER_TYPE_100G_ER4:
2070 case ETH_TRANSCEIVER_TYPE_100G_ACC:
2071 *p_speed_mask =
2072 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2073 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2074 break;
2075 case ETH_TRANSCEIVER_TYPE_25G_SR:
2076 case ETH_TRANSCEIVER_TYPE_25G_LR:
2077 case ETH_TRANSCEIVER_TYPE_25G_AOC:
2078 case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2079 case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2080 case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2081 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2082 break;
2083 case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2084 case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2085 case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2086 case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2087 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2088 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2089 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2090 break;
2091 case ETH_TRANSCEIVER_TYPE_40G_CR4:
2092 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2093 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2094 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2095 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2096 break;
2097 case ETH_TRANSCEIVER_TYPE_100G_CR4:
2098 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2099 *p_speed_mask =
2100 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2101 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2102 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2103 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2104 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2105 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2106 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2107 break;
2108 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2109 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2110 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2111 *p_speed_mask =
2112 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2113 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2114 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2115 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2116 break;
2117 case ETH_TRANSCEIVER_TYPE_XLPPI:
2118 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2119 break;
2120 case ETH_TRANSCEIVER_TYPE_10G_BASET:
2121 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2122 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2123 break;
2124 default:
2125 DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2126 transceiver_type);
2127 *p_speed_mask = 0xff;
2128 break;
2129 }
2130
2131 return 0;
2132}
2133
2134int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2135 struct qed_ptt *p_ptt, u32 *p_board_config)
2136{
2137 u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2138
2139 if (IS_VF(p_hwfn->cdev))
2140 return -EINVAL;
2141
2142 if (!qed_mcp_is_init(p_hwfn)) {
2143 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2144 return -EBUSY;
2145 }
2146 if (!p_ptt) {
2147 *p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2148 return -EINVAL;
2149 }
2150
2151 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2152 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2153 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2154 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2155 *p_board_config = qed_rd(p_hwfn, p_ptt,
2156 port_cfg_addr +
2157 offsetof(struct nvm_cfg1_port,
2158 board_cfg));
2159
2160 return 0;
2161}
2162
2163/* Old MFW has a global configuration for all PFs regarding RDMA support */
2164static void
2165qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2166 enum qed_pci_personality *p_proto)
2167{
2168 /* There wasn't ever a legacy MFW that published iwarp.
2169 * So at this point, this is either plain l2 or RoCE.
2170 */
2171 if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2172 *p_proto = QED_PCI_ETH_ROCE;
2173 else
2174 *p_proto = QED_PCI_ETH;
2175
2176 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2177 "According to Legacy capabilities, L2 personality is %08x\n",
2178 (u32) *p_proto);
2179}
2180
2181static int
2182qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2183 struct qed_ptt *p_ptt,
2184 enum qed_pci_personality *p_proto)
2185{
2186 u32 resp = 0, param = 0;
2187 int rc;
2188
2189 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2190 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, ¶m);
2191 if (rc)
2192 return rc;
2193 if (resp != FW_MSG_CODE_OK) {
2194 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2195 "MFW lacks support for command; Returns %08x\n",
2196 resp);
2197 return -EINVAL;
2198 }
2199
2200 switch (param) {
2201 case FW_MB_PARAM_GET_PF_RDMA_NONE:
2202 *p_proto = QED_PCI_ETH;
2203 break;
2204 case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2205 *p_proto = QED_PCI_ETH_ROCE;
2206 break;
2207 case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2208 *p_proto = QED_PCI_ETH_IWARP;
2209 break;
2210 case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2211 *p_proto = QED_PCI_ETH_RDMA;
2212 break;
2213 default:
2214 DP_NOTICE(p_hwfn,
2215 "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2216 param);
2217 return -EINVAL;
2218 }
2219
2220 DP_VERBOSE(p_hwfn,
2221 NETIF_MSG_IFUP,
2222 "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2223 (u32) *p_proto, resp, param);
2224 return 0;
2225}
2226
2227static int
2228qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2229 struct public_func *p_info,
2230 struct qed_ptt *p_ptt,
2231 enum qed_pci_personality *p_proto)
2232{
2233 int rc = 0;
2234
2235 switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2236 case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2237 if (!IS_ENABLED(CONFIG_QED_RDMA))
2238 *p_proto = QED_PCI_ETH;
2239 else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2240 qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2241 break;
2242 case FUNC_MF_CFG_PROTOCOL_ISCSI:
2243 *p_proto = QED_PCI_ISCSI;
2244 break;
2245 case FUNC_MF_CFG_PROTOCOL_FCOE:
2246 *p_proto = QED_PCI_FCOE;
2247 break;
2248 case FUNC_MF_CFG_PROTOCOL_ROCE:
2249 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2250 /* Fallthrough */
2251 default:
2252 rc = -EINVAL;
2253 }
2254
2255 return rc;
2256}
2257
2258int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2259 struct qed_ptt *p_ptt)
2260{
2261 struct qed_mcp_function_info *info;
2262 struct public_func shmem_info;
2263
2264 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2265 info = &p_hwfn->mcp_info->func_info;
2266
2267 info->pause_on_host = (shmem_info.config &
2268 FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2269
2270 if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2271 &info->protocol)) {
2272 DP_ERR(p_hwfn, "Unknown personality %08x\n",
2273 (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2274 return -EINVAL;
2275 }
2276
2277 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2278
2279 if (shmem_info.mac_upper || shmem_info.mac_lower) {
2280 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2281 info->mac[1] = (u8)(shmem_info.mac_upper);
2282 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2283 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2284 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2285 info->mac[5] = (u8)(shmem_info.mac_lower);
2286
2287 /* Store primary MAC for later possible WoL */
2288 memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2289 } else {
2290 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2291 }
2292
2293 info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2294 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2295 info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2296 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2297
2298 info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2299
2300 info->mtu = (u16)shmem_info.mtu_size;
2301
2302 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2303 p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2304 if (qed_mcp_is_init(p_hwfn)) {
2305 u32 resp = 0, param = 0;
2306 int rc;
2307
2308 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2309 DRV_MSG_CODE_OS_WOL, 0, &resp, ¶m);
2310 if (rc)
2311 return rc;
2312 if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2313 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2314 }
2315
2316 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2317 "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x wol %02x\n",
2318 info->pause_on_host, info->protocol,
2319 info->bandwidth_min, info->bandwidth_max,
2320 info->mac[0], info->mac[1], info->mac[2],
2321 info->mac[3], info->mac[4], info->mac[5],
2322 info->wwn_port, info->wwn_node,
2323 info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2324
2325 return 0;
2326}
2327
2328struct qed_mcp_link_params
2329*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2330{
2331 if (!p_hwfn || !p_hwfn->mcp_info)
2332 return NULL;
2333 return &p_hwfn->mcp_info->link_input;
2334}
2335
2336struct qed_mcp_link_state
2337*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2338{
2339 if (!p_hwfn || !p_hwfn->mcp_info)
2340 return NULL;
2341 return &p_hwfn->mcp_info->link_output;
2342}
2343
2344struct qed_mcp_link_capabilities
2345*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2346{
2347 if (!p_hwfn || !p_hwfn->mcp_info)
2348 return NULL;
2349 return &p_hwfn->mcp_info->link_capabilities;
2350}
2351
2352int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2353{
2354 u32 resp = 0, param = 0;
2355 int rc;
2356
2357 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2358 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m);
2359
2360 /* Wait for the drain to complete before returning */
2361 msleep(1020);
2362
2363 return rc;
2364}
2365
2366int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2367 struct qed_ptt *p_ptt, u32 *p_flash_size)
2368{
2369 u32 flash_size;
2370
2371 if (IS_VF(p_hwfn->cdev))
2372 return -EINVAL;
2373
2374 flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2375 flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2376 MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2377 flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2378
2379 *p_flash_size = flash_size;
2380
2381 return 0;
2382}
2383
2384int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2385{
2386 struct qed_dev *cdev = p_hwfn->cdev;
2387
2388 if (cdev->recov_in_prog) {
2389 DP_NOTICE(p_hwfn,
2390 "Avoid triggering a recovery since such a process is already in progress\n");
2391 return -EAGAIN;
2392 }
2393
2394 DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2395 qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2396
2397 return 0;
2398}
2399
2400#define QED_RECOVERY_PROLOG_SLEEP_MS 100
2401
2402int qed_recovery_prolog(struct qed_dev *cdev)
2403{
2404 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2405 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2406 int rc;
2407
2408 /* Allow ongoing PCIe transactions to complete */
2409 msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2410
2411 /* Clear the PF's internal FID_enable in the PXP */
2412 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2413 if (rc)
2414 DP_NOTICE(p_hwfn,
2415 "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2416 rc);
2417
2418 return rc;
2419}
2420
2421static int
2422qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2423 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2424{
2425 u32 resp = 0, param = 0, rc_param = 0;
2426 int rc;
2427
2428 /* Only Leader can configure MSIX, and need to take CMT into account */
2429 if (!IS_LEAD_HWFN(p_hwfn))
2430 return 0;
2431 num *= p_hwfn->cdev->num_hwfns;
2432
2433 param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2434 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2435 param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2436 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2437
2438 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2439 &resp, &rc_param);
2440
2441 if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2442 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2443 rc = -EINVAL;
2444 } else {
2445 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2446 "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2447 num, vf_id);
2448 }
2449
2450 return rc;
2451}
2452
2453static int
2454qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2455 struct qed_ptt *p_ptt, u8 num)
2456{
2457 u32 resp = 0, param = num, rc_param = 0;
2458 int rc;
2459
2460 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2461 param, &resp, &rc_param);
2462
2463 if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2464 DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2465 rc = -EINVAL;
2466 } else {
2467 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2468 "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2469 }
2470
2471 return rc;
2472}
2473
2474int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2475 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2476{
2477 if (QED_IS_BB(p_hwfn->cdev))
2478 return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2479 else
2480 return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2481}
2482
2483int
2484qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2485 struct qed_ptt *p_ptt,
2486 struct qed_mcp_drv_version *p_ver)
2487{
2488 struct qed_mcp_mb_params mb_params;
2489 struct drv_version_stc drv_version;
2490 __be32 val;
2491 u32 i;
2492 int rc;
2493
2494 memset(&drv_version, 0, sizeof(drv_version));
2495 drv_version.version = p_ver->version;
2496 for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2497 val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2498 *(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2499 }
2500
2501 memset(&mb_params, 0, sizeof(mb_params));
2502 mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2503 mb_params.p_data_src = &drv_version;
2504 mb_params.data_src_size = sizeof(drv_version);
2505 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2506 if (rc)
2507 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2508
2509 return rc;
2510}
2511
2512/* A maximal 100 msec waiting time for the MCP to halt */
2513#define QED_MCP_HALT_SLEEP_MS 10
2514#define QED_MCP_HALT_MAX_RETRIES 10
2515
2516int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2517{
2518 u32 resp = 0, param = 0, cpu_state, cnt = 0;
2519 int rc;
2520
2521 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2522 ¶m);
2523 if (rc) {
2524 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2525 return rc;
2526 }
2527
2528 do {
2529 msleep(QED_MCP_HALT_SLEEP_MS);
2530 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2531 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2532 break;
2533 } while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2534
2535 if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2536 DP_NOTICE(p_hwfn,
2537 "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2538 qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2539 return -EBUSY;
2540 }
2541
2542 qed_mcp_cmd_set_blocking(p_hwfn, true);
2543
2544 return 0;
2545}
2546
2547#define QED_MCP_RESUME_SLEEP_MS 10
2548
2549int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2550{
2551 u32 cpu_mode, cpu_state;
2552
2553 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2554
2555 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2556 cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2557 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2558 msleep(QED_MCP_RESUME_SLEEP_MS);
2559 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2560
2561 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2562 DP_NOTICE(p_hwfn,
2563 "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2564 cpu_mode, cpu_state);
2565 return -EBUSY;
2566 }
2567
2568 qed_mcp_cmd_set_blocking(p_hwfn, false);
2569
2570 return 0;
2571}
2572
2573int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2574 struct qed_ptt *p_ptt,
2575 enum qed_ov_client client)
2576{
2577 u32 resp = 0, param = 0;
2578 u32 drv_mb_param;
2579 int rc;
2580
2581 switch (client) {
2582 case QED_OV_CLIENT_DRV:
2583 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2584 break;
2585 case QED_OV_CLIENT_USER:
2586 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2587 break;
2588 case QED_OV_CLIENT_VENDOR_SPEC:
2589 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2590 break;
2591 default:
2592 DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2593 return -EINVAL;
2594 }
2595
2596 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2597 drv_mb_param, &resp, ¶m);
2598 if (rc)
2599 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2600
2601 return rc;
2602}
2603
2604int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2605 struct qed_ptt *p_ptt,
2606 enum qed_ov_driver_state drv_state)
2607{
2608 u32 resp = 0, param = 0;
2609 u32 drv_mb_param;
2610 int rc;
2611
2612 switch (drv_state) {
2613 case QED_OV_DRIVER_STATE_NOT_LOADED:
2614 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2615 break;
2616 case QED_OV_DRIVER_STATE_DISABLED:
2617 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2618 break;
2619 case QED_OV_DRIVER_STATE_ACTIVE:
2620 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2621 break;
2622 default:
2623 DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2624 return -EINVAL;
2625 }
2626
2627 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2628 drv_mb_param, &resp, ¶m);
2629 if (rc)
2630 DP_ERR(p_hwfn, "Failed to send driver state\n");
2631
2632 return rc;
2633}
2634
2635int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2636 struct qed_ptt *p_ptt, u16 mtu)
2637{
2638 u32 resp = 0, param = 0;
2639 u32 drv_mb_param;
2640 int rc;
2641
2642 drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2643 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2644 drv_mb_param, &resp, ¶m);
2645 if (rc)
2646 DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2647
2648 return rc;
2649}
2650
2651int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2652 struct qed_ptt *p_ptt, u8 *mac)
2653{
2654 struct qed_mcp_mb_params mb_params;
2655 u32 mfw_mac[2];
2656 int rc;
2657
2658 memset(&mb_params, 0, sizeof(mb_params));
2659 mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2660 mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2661 DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2662 mb_params.param |= MCP_PF_ID(p_hwfn);
2663
2664 /* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2665 * in 32-bit granularity.
2666 * So the MAC has to be set in native order [and not byte order],
2667 * otherwise it would be read incorrectly by MFW after swap.
2668 */
2669 mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2670 mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2671
2672 mb_params.p_data_src = (u8 *)mfw_mac;
2673 mb_params.data_src_size = 8;
2674 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2675 if (rc)
2676 DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2677
2678 /* Store primary MAC for later possible WoL */
2679 memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2680
2681 return rc;
2682}
2683
2684int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2685 struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2686{
2687 u32 resp = 0, param = 0;
2688 u32 drv_mb_param;
2689 int rc;
2690
2691 if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2692 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2693 "Can't change WoL configuration when WoL isn't supported\n");
2694 return -EINVAL;
2695 }
2696
2697 switch (wol) {
2698 case QED_OV_WOL_DEFAULT:
2699 drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2700 break;
2701 case QED_OV_WOL_DISABLED:
2702 drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2703 break;
2704 case QED_OV_WOL_ENABLED:
2705 drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2706 break;
2707 default:
2708 DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2709 return -EINVAL;
2710 }
2711
2712 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2713 drv_mb_param, &resp, ¶m);
2714 if (rc)
2715 DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2716
2717 /* Store the WoL update for a future unload */
2718 p_hwfn->cdev->wol_config = (u8)wol;
2719
2720 return rc;
2721}
2722
2723int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2724 struct qed_ptt *p_ptt,
2725 enum qed_ov_eswitch eswitch)
2726{
2727 u32 resp = 0, param = 0;
2728 u32 drv_mb_param;
2729 int rc;
2730
2731 switch (eswitch) {
2732 case QED_OV_ESWITCH_NONE:
2733 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2734 break;
2735 case QED_OV_ESWITCH_VEB:
2736 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
2737 break;
2738 case QED_OV_ESWITCH_VEPA:
2739 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
2740 break;
2741 default:
2742 DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
2743 return -EINVAL;
2744 }
2745
2746 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
2747 drv_mb_param, &resp, ¶m);
2748 if (rc)
2749 DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
2750
2751 return rc;
2752}
2753
2754int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
2755 struct qed_ptt *p_ptt, enum qed_led_mode mode)
2756{
2757 u32 resp = 0, param = 0, drv_mb_param;
2758 int rc;
2759
2760 switch (mode) {
2761 case QED_LED_MODE_ON:
2762 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
2763 break;
2764 case QED_LED_MODE_OFF:
2765 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
2766 break;
2767 case QED_LED_MODE_RESTORE:
2768 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
2769 break;
2770 default:
2771 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
2772 return -EINVAL;
2773 }
2774
2775 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
2776 drv_mb_param, &resp, ¶m);
2777
2778 return rc;
2779}
2780
2781int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
2782 struct qed_ptt *p_ptt, u32 mask_parities)
2783{
2784 u32 resp = 0, param = 0;
2785 int rc;
2786
2787 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
2788 mask_parities, &resp, ¶m);
2789
2790 if (rc) {
2791 DP_ERR(p_hwfn,
2792 "MCP response failure for mask parities, aborting\n");
2793 } else if (resp != FW_MSG_CODE_OK) {
2794 DP_ERR(p_hwfn,
2795 "MCP did not acknowledge mask parity request. Old MFW?\n");
2796 rc = -EINVAL;
2797 }
2798
2799 return rc;
2800}
2801
2802int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
2803{
2804 u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
2805 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2806 u32 resp = 0, resp_param = 0;
2807 struct qed_ptt *p_ptt;
2808 int rc = 0;
2809
2810 p_ptt = qed_ptt_acquire(p_hwfn);
2811 if (!p_ptt)
2812 return -EBUSY;
2813
2814 while (bytes_left > 0) {
2815 bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
2816
2817 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
2818 DRV_MSG_CODE_NVM_READ_NVRAM,
2819 addr + offset +
2820 (bytes_to_copy <<
2821 DRV_MB_PARAM_NVM_LEN_OFFSET),
2822 &resp, &resp_param,
2823 &read_len,
2824 (u32 *)(p_buf + offset));
2825
2826 if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
2827 DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
2828 break;
2829 }
2830
2831 /* This can be a lengthy process, and it's possible scheduler
2832 * isn't preemptable. Sleep a bit to prevent CPU hogging.
2833 */
2834 if (bytes_left % 0x1000 <
2835 (bytes_left - read_len) % 0x1000)
2836 usleep_range(1000, 2000);
2837
2838 offset += read_len;
2839 bytes_left -= read_len;
2840 }
2841
2842 cdev->mcp_nvm_resp = resp;
2843 qed_ptt_release(p_hwfn, p_ptt);
2844
2845 return rc;
2846}
2847
2848int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
2849{
2850 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2851 struct qed_ptt *p_ptt;
2852
2853 p_ptt = qed_ptt_acquire(p_hwfn);
2854 if (!p_ptt)
2855 return -EBUSY;
2856
2857 memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
2858 qed_ptt_release(p_hwfn, p_ptt);
2859
2860 return 0;
2861}
2862
2863int qed_mcp_nvm_write(struct qed_dev *cdev,
2864 u32 cmd, u32 addr, u8 *p_buf, u32 len)
2865{
2866 u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
2867 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2868 struct qed_ptt *p_ptt;
2869 int rc = -EINVAL;
2870
2871 p_ptt = qed_ptt_acquire(p_hwfn);
2872 if (!p_ptt)
2873 return -EBUSY;
2874
2875 switch (cmd) {
2876 case QED_PUT_FILE_BEGIN:
2877 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
2878 break;
2879 case QED_PUT_FILE_DATA:
2880 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
2881 break;
2882 case QED_NVM_WRITE_NVRAM:
2883 nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
2884 break;
2885 default:
2886 DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
2887 rc = -EINVAL;
2888 goto out;
2889 }
2890
2891 buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
2892 while (buf_idx < len) {
2893 if (cmd == QED_PUT_FILE_BEGIN)
2894 nvm_offset = addr;
2895 else
2896 nvm_offset = ((buf_size <<
2897 DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
2898 buf_idx;
2899 rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
2900 &resp, ¶m, buf_size,
2901 (u32 *)&p_buf[buf_idx]);
2902 if (rc) {
2903 DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
2904 resp = FW_MSG_CODE_ERROR;
2905 break;
2906 }
2907
2908 if (resp != FW_MSG_CODE_OK &&
2909 resp != FW_MSG_CODE_NVM_OK &&
2910 resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
2911 DP_NOTICE(cdev,
2912 "nvm write failed, resp = 0x%08x\n", resp);
2913 rc = -EINVAL;
2914 break;
2915 }
2916
2917 /* This can be a lengthy process, and it's possible scheduler
2918 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
2919 */
2920 if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
2921 usleep_range(1000, 2000);
2922
2923 /* For MBI upgrade, MFW response includes the next buffer offset
2924 * to be delivered to MFW.
2925 */
2926 if (param && cmd == QED_PUT_FILE_DATA) {
2927 buf_idx = QED_MFW_GET_FIELD(param,
2928 FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
2929 buf_size = QED_MFW_GET_FIELD(param,
2930 FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
2931 } else {
2932 buf_idx += buf_size;
2933 buf_size = min_t(u32, (len - buf_idx),
2934 MCP_DRV_NVM_BUF_LEN);
2935 }
2936 }
2937
2938 cdev->mcp_nvm_resp = resp;
2939out:
2940 qed_ptt_release(p_hwfn, p_ptt);
2941
2942 return rc;
2943}
2944
2945int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
2946 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
2947{
2948 u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
2949 u32 resp, param;
2950 int rc;
2951
2952 nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
2953 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
2954 nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
2955 DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
2956
2957 addr = offset;
2958 offset = 0;
2959 bytes_left = len;
2960 while (bytes_left > 0) {
2961 bytes_to_copy = min_t(u32, bytes_left,
2962 MAX_I2C_TRANSACTION_SIZE);
2963 nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
2964 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
2965 nvm_offset |= ((addr + offset) <<
2966 DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
2967 DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
2968 nvm_offset |= (bytes_to_copy <<
2969 DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
2970 DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
2971 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
2972 DRV_MSG_CODE_TRANSCEIVER_READ,
2973 nvm_offset, &resp, ¶m, &buf_size,
2974 (u32 *)(p_buf + offset));
2975 if (rc) {
2976 DP_NOTICE(p_hwfn,
2977 "Failed to send a transceiver read command to the MFW. rc = %d.\n",
2978 rc);
2979 return rc;
2980 }
2981
2982 if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
2983 return -ENODEV;
2984 else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
2985 return -EINVAL;
2986
2987 offset += buf_size;
2988 bytes_left -= buf_size;
2989 }
2990
2991 return 0;
2992}
2993
2994int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2995{
2996 u32 drv_mb_param = 0, rsp, param;
2997 int rc = 0;
2998
2999 drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3000 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3001
3002 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3003 drv_mb_param, &rsp, ¶m);
3004
3005 if (rc)
3006 return rc;
3007
3008 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3009 (param != DRV_MB_PARAM_BIST_RC_PASSED))
3010 rc = -EAGAIN;
3011
3012 return rc;
3013}
3014
3015int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3016{
3017 u32 drv_mb_param, rsp, param;
3018 int rc = 0;
3019
3020 drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3021 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3022
3023 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3024 drv_mb_param, &rsp, ¶m);
3025
3026 if (rc)
3027 return rc;
3028
3029 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3030 (param != DRV_MB_PARAM_BIST_RC_PASSED))
3031 rc = -EAGAIN;
3032
3033 return rc;
3034}
3035
3036int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3037 struct qed_ptt *p_ptt,
3038 u32 *num_images)
3039{
3040 u32 drv_mb_param = 0, rsp;
3041 int rc = 0;
3042
3043 drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3044 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3045
3046 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3047 drv_mb_param, &rsp, num_images);
3048 if (rc)
3049 return rc;
3050
3051 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3052 rc = -EINVAL;
3053
3054 return rc;
3055}
3056
3057int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3058 struct qed_ptt *p_ptt,
3059 struct bist_nvm_image_att *p_image_att,
3060 u32 image_index)
3061{
3062 u32 buf_size = 0, param, resp = 0, resp_param = 0;
3063 int rc;
3064
3065 param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3066 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3067 param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3068
3069 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3070 DRV_MSG_CODE_BIST_TEST, param,
3071 &resp, &resp_param,
3072 &buf_size,
3073 (u32 *)p_image_att);
3074 if (rc)
3075 return rc;
3076
3077 if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3078 (p_image_att->return_code != 1))
3079 rc = -EINVAL;
3080
3081 return rc;
3082}
3083
3084int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3085{
3086 struct qed_nvm_image_info nvm_info;
3087 struct qed_ptt *p_ptt;
3088 int rc;
3089 u32 i;
3090
3091 if (p_hwfn->nvm_info.valid)
3092 return 0;
3093
3094 p_ptt = qed_ptt_acquire(p_hwfn);
3095 if (!p_ptt) {
3096 DP_ERR(p_hwfn, "failed to acquire ptt\n");
3097 return -EBUSY;
3098 }
3099
3100 /* Acquire from MFW the amount of available images */
3101 nvm_info.num_images = 0;
3102 rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3103 p_ptt, &nvm_info.num_images);
3104 if (rc == -EOPNOTSUPP) {
3105 DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3106 goto out;
3107 } else if (rc || !nvm_info.num_images) {
3108 DP_ERR(p_hwfn, "Failed getting number of images\n");
3109 goto err0;
3110 }
3111
3112 nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3113 sizeof(struct bist_nvm_image_att),
3114 GFP_KERNEL);
3115 if (!nvm_info.image_att) {
3116 rc = -ENOMEM;
3117 goto err0;
3118 }
3119
3120 /* Iterate over images and get their attributes */
3121 for (i = 0; i < nvm_info.num_images; i++) {
3122 rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3123 &nvm_info.image_att[i], i);
3124 if (rc) {
3125 DP_ERR(p_hwfn,
3126 "Failed getting image index %d attributes\n", i);
3127 goto err1;
3128 }
3129
3130 DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3131 nvm_info.image_att[i].len);
3132 }
3133out:
3134 /* Update hwfn's nvm_info */
3135 if (nvm_info.num_images) {
3136 p_hwfn->nvm_info.num_images = nvm_info.num_images;
3137 kfree(p_hwfn->nvm_info.image_att);
3138 p_hwfn->nvm_info.image_att = nvm_info.image_att;
3139 p_hwfn->nvm_info.valid = true;
3140 }
3141
3142 qed_ptt_release(p_hwfn, p_ptt);
3143 return 0;
3144
3145err1:
3146 kfree(nvm_info.image_att);
3147err0:
3148 qed_ptt_release(p_hwfn, p_ptt);
3149 return rc;
3150}
3151
3152int
3153qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3154 enum qed_nvm_images image_id,
3155 struct qed_nvm_image_att *p_image_att)
3156{
3157 enum nvm_image_type type;
3158 u32 i;
3159
3160 /* Translate image_id into MFW definitions */
3161 switch (image_id) {
3162 case QED_NVM_IMAGE_ISCSI_CFG:
3163 type = NVM_TYPE_ISCSI_CFG;
3164 break;
3165 case QED_NVM_IMAGE_FCOE_CFG:
3166 type = NVM_TYPE_FCOE_CFG;
3167 break;
3168 case QED_NVM_IMAGE_NVM_CFG1:
3169 type = NVM_TYPE_NVM_CFG1;
3170 break;
3171 case QED_NVM_IMAGE_DEFAULT_CFG:
3172 type = NVM_TYPE_DEFAULT_CFG;
3173 break;
3174 case QED_NVM_IMAGE_NVM_META:
3175 type = NVM_TYPE_META;
3176 break;
3177 default:
3178 DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3179 image_id);
3180 return -EINVAL;
3181 }
3182
3183 qed_mcp_nvm_info_populate(p_hwfn);
3184 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3185 if (type == p_hwfn->nvm_info.image_att[i].image_type)
3186 break;
3187 if (i == p_hwfn->nvm_info.num_images) {
3188 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3189 "Failed to find nvram image of type %08x\n",
3190 image_id);
3191 return -ENOENT;
3192 }
3193
3194 p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3195 p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3196
3197 return 0;
3198}
3199
3200int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3201 enum qed_nvm_images image_id,
3202 u8 *p_buffer, u32 buffer_len)
3203{
3204 struct qed_nvm_image_att image_att;
3205 int rc;
3206
3207 memset(p_buffer, 0, buffer_len);
3208
3209 rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3210 if (rc)
3211 return rc;
3212
3213 /* Validate sizes - both the image's and the supplied buffer's */
3214 if (image_att.length <= 4) {
3215 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3216 "Image [%d] is too small - only %d bytes\n",
3217 image_id, image_att.length);
3218 return -EINVAL;
3219 }
3220
3221 if (image_att.length > buffer_len) {
3222 DP_VERBOSE(p_hwfn,
3223 QED_MSG_STORAGE,
3224 "Image [%d] is too big - %08x bytes where only %08x are available\n",
3225 image_id, image_att.length, buffer_len);
3226 return -ENOMEM;
3227 }
3228
3229 return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3230 p_buffer, image_att.length);
3231}
3232
3233static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3234{
3235 enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3236
3237 switch (res_id) {
3238 case QED_SB:
3239 mfw_res_id = RESOURCE_NUM_SB_E;
3240 break;
3241 case QED_L2_QUEUE:
3242 mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3243 break;
3244 case QED_VPORT:
3245 mfw_res_id = RESOURCE_NUM_VPORT_E;
3246 break;
3247 case QED_RSS_ENG:
3248 mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3249 break;
3250 case QED_PQ:
3251 mfw_res_id = RESOURCE_NUM_PQ_E;
3252 break;
3253 case QED_RL:
3254 mfw_res_id = RESOURCE_NUM_RL_E;
3255 break;
3256 case QED_MAC:
3257 case QED_VLAN:
3258 /* Each VFC resource can accommodate both a MAC and a VLAN */
3259 mfw_res_id = RESOURCE_VFC_FILTER_E;
3260 break;
3261 case QED_ILT:
3262 mfw_res_id = RESOURCE_ILT_E;
3263 break;
3264 case QED_LL2_QUEUE:
3265 mfw_res_id = RESOURCE_LL2_QUEUE_E;
3266 break;
3267 case QED_RDMA_CNQ_RAM:
3268 case QED_CMDQS_CQS:
3269 /* CNQ/CMDQS are the same resource */
3270 mfw_res_id = RESOURCE_CQS_E;
3271 break;
3272 case QED_RDMA_STATS_QUEUE:
3273 mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3274 break;
3275 case QED_BDQ:
3276 mfw_res_id = RESOURCE_BDQ_E;
3277 break;
3278 default:
3279 break;
3280 }
3281
3282 return mfw_res_id;
3283}
3284
3285#define QED_RESC_ALLOC_VERSION_MAJOR 2
3286#define QED_RESC_ALLOC_VERSION_MINOR 0
3287#define QED_RESC_ALLOC_VERSION \
3288 ((QED_RESC_ALLOC_VERSION_MAJOR << \
3289 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3290 (QED_RESC_ALLOC_VERSION_MINOR << \
3291 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3292
3293struct qed_resc_alloc_in_params {
3294 u32 cmd;
3295 enum qed_resources res_id;
3296 u32 resc_max_val;
3297};
3298
3299struct qed_resc_alloc_out_params {
3300 u32 mcp_resp;
3301 u32 mcp_param;
3302 u32 resc_num;
3303 u32 resc_start;
3304 u32 vf_resc_num;
3305 u32 vf_resc_start;
3306 u32 flags;
3307};
3308
3309static int
3310qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3311 struct qed_ptt *p_ptt,
3312 struct qed_resc_alloc_in_params *p_in_params,
3313 struct qed_resc_alloc_out_params *p_out_params)
3314{
3315 struct qed_mcp_mb_params mb_params;
3316 struct resource_info mfw_resc_info;
3317 int rc;
3318
3319 memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3320
3321 mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3322 if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3323 DP_ERR(p_hwfn,
3324 "Failed to match resource %d [%s] with the MFW resources\n",
3325 p_in_params->res_id,
3326 qed_hw_get_resc_name(p_in_params->res_id));
3327 return -EINVAL;
3328 }
3329
3330 switch (p_in_params->cmd) {
3331 case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3332 mfw_resc_info.size = p_in_params->resc_max_val;
3333 /* Fallthrough */
3334 case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3335 break;
3336 default:
3337 DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3338 p_in_params->cmd);
3339 return -EINVAL;
3340 }
3341
3342 memset(&mb_params, 0, sizeof(mb_params));
3343 mb_params.cmd = p_in_params->cmd;
3344 mb_params.param = QED_RESC_ALLOC_VERSION;
3345 mb_params.p_data_src = &mfw_resc_info;
3346 mb_params.data_src_size = sizeof(mfw_resc_info);
3347 mb_params.p_data_dst = mb_params.p_data_src;
3348 mb_params.data_dst_size = mb_params.data_src_size;
3349
3350 DP_VERBOSE(p_hwfn,
3351 QED_MSG_SP,
3352 "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3353 p_in_params->cmd,
3354 p_in_params->res_id,
3355 qed_hw_get_resc_name(p_in_params->res_id),
3356 QED_MFW_GET_FIELD(mb_params.param,
3357 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3358 QED_MFW_GET_FIELD(mb_params.param,
3359 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3360 p_in_params->resc_max_val);
3361
3362 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3363 if (rc)
3364 return rc;
3365
3366 p_out_params->mcp_resp = mb_params.mcp_resp;
3367 p_out_params->mcp_param = mb_params.mcp_param;
3368 p_out_params->resc_num = mfw_resc_info.size;
3369 p_out_params->resc_start = mfw_resc_info.offset;
3370 p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3371 p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3372 p_out_params->flags = mfw_resc_info.flags;
3373
3374 DP_VERBOSE(p_hwfn,
3375 QED_MSG_SP,
3376 "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",
3377 QED_MFW_GET_FIELD(p_out_params->mcp_param,
3378 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3379 QED_MFW_GET_FIELD(p_out_params->mcp_param,
3380 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3381 p_out_params->resc_num,
3382 p_out_params->resc_start,
3383 p_out_params->vf_resc_num,
3384 p_out_params->vf_resc_start, p_out_params->flags);
3385
3386 return 0;
3387}
3388
3389int
3390qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3391 struct qed_ptt *p_ptt,
3392 enum qed_resources res_id,
3393 u32 resc_max_val, u32 *p_mcp_resp)
3394{
3395 struct qed_resc_alloc_out_params out_params;
3396 struct qed_resc_alloc_in_params in_params;
3397 int rc;
3398
3399 memset(&in_params, 0, sizeof(in_params));
3400 in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3401 in_params.res_id = res_id;
3402 in_params.resc_max_val = resc_max_val;
3403 memset(&out_params, 0, sizeof(out_params));
3404 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3405 &out_params);
3406 if (rc)
3407 return rc;
3408
3409 *p_mcp_resp = out_params.mcp_resp;
3410
3411 return 0;
3412}
3413
3414int
3415qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3416 struct qed_ptt *p_ptt,
3417 enum qed_resources res_id,
3418 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3419{
3420 struct qed_resc_alloc_out_params out_params;
3421 struct qed_resc_alloc_in_params in_params;
3422 int rc;
3423
3424 memset(&in_params, 0, sizeof(in_params));
3425 in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3426 in_params.res_id = res_id;
3427 memset(&out_params, 0, sizeof(out_params));
3428 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3429 &out_params);
3430 if (rc)
3431 return rc;
3432
3433 *p_mcp_resp = out_params.mcp_resp;
3434
3435 if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3436 *p_resc_num = out_params.resc_num;
3437 *p_resc_start = out_params.resc_start;
3438 }
3439
3440 return 0;
3441}
3442
3443int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3444{
3445 u32 mcp_resp, mcp_param;
3446
3447 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3448 &mcp_resp, &mcp_param);
3449}
3450
3451static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3452 struct qed_ptt *p_ptt,
3453 u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3454{
3455 int rc;
3456
3457 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD, param,
3458 p_mcp_resp, p_mcp_param);
3459 if (rc)
3460 return rc;
3461
3462 if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3463 DP_INFO(p_hwfn,
3464 "The resource command is unsupported by the MFW\n");
3465 return -EINVAL;
3466 }
3467
3468 if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3469 u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3470
3471 DP_NOTICE(p_hwfn,
3472 "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3473 param, opcode);
3474 return -EINVAL;
3475 }
3476
3477 return rc;
3478}
3479
3480static int
3481__qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3482 struct qed_ptt *p_ptt,
3483 struct qed_resc_lock_params *p_params)
3484{
3485 u32 param = 0, mcp_resp, mcp_param;
3486 u8 opcode;
3487 int rc;
3488
3489 switch (p_params->timeout) {
3490 case QED_MCP_RESC_LOCK_TO_DEFAULT:
3491 opcode = RESOURCE_OPCODE_REQ;
3492 p_params->timeout = 0;
3493 break;
3494 case QED_MCP_RESC_LOCK_TO_NONE:
3495 opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3496 p_params->timeout = 0;
3497 break;
3498 default:
3499 opcode = RESOURCE_OPCODE_REQ_W_AGING;
3500 break;
3501 }
3502
3503 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3504 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3505 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3506
3507 DP_VERBOSE(p_hwfn,
3508 QED_MSG_SP,
3509 "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3510 param, p_params->timeout, opcode, p_params->resource);
3511
3512 /* Attempt to acquire the resource */
3513 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3514 if (rc)
3515 return rc;
3516
3517 /* Analyze the response */
3518 p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3519 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3520
3521 DP_VERBOSE(p_hwfn,
3522 QED_MSG_SP,
3523 "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3524 mcp_param, opcode, p_params->owner);
3525
3526 switch (opcode) {
3527 case RESOURCE_OPCODE_GNT:
3528 p_params->b_granted = true;
3529 break;
3530 case RESOURCE_OPCODE_BUSY:
3531 p_params->b_granted = false;
3532 break;
3533 default:
3534 DP_NOTICE(p_hwfn,
3535 "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3536 mcp_param, opcode);
3537 return -EINVAL;
3538 }
3539
3540 return 0;
3541}
3542
3543int
3544qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3545 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3546{
3547 u32 retry_cnt = 0;
3548 int rc;
3549
3550 do {
3551 /* No need for an interval before the first iteration */
3552 if (retry_cnt) {
3553 if (p_params->sleep_b4_retry) {
3554 u16 retry_interval_in_ms =
3555 DIV_ROUND_UP(p_params->retry_interval,
3556 1000);
3557
3558 msleep(retry_interval_in_ms);
3559 } else {
3560 udelay(p_params->retry_interval);
3561 }
3562 }
3563
3564 rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3565 if (rc)
3566 return rc;
3567
3568 if (p_params->b_granted)
3569 break;
3570 } while (retry_cnt++ < p_params->retry_num);
3571
3572 return 0;
3573}
3574
3575int
3576qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3577 struct qed_ptt *p_ptt,
3578 struct qed_resc_unlock_params *p_params)
3579{
3580 u32 param = 0, mcp_resp, mcp_param;
3581 u8 opcode;
3582 int rc;
3583
3584 opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3585 : RESOURCE_OPCODE_RELEASE;
3586 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3587 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3588
3589 DP_VERBOSE(p_hwfn, QED_MSG_SP,
3590 "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3591 param, opcode, p_params->resource);
3592
3593 /* Attempt to release the resource */
3594 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3595 if (rc)
3596 return rc;
3597
3598 /* Analyze the response */
3599 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3600
3601 DP_VERBOSE(p_hwfn, QED_MSG_SP,
3602 "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3603 mcp_param, opcode);
3604
3605 switch (opcode) {
3606 case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3607 DP_INFO(p_hwfn,
3608 "Resource unlock request for an already released resource [%d]\n",
3609 p_params->resource);
3610 /* Fallthrough */
3611 case RESOURCE_OPCODE_RELEASED:
3612 p_params->b_released = true;
3613 break;
3614 case RESOURCE_OPCODE_WRONG_OWNER:
3615 p_params->b_released = false;
3616 break;
3617 default:
3618 DP_NOTICE(p_hwfn,
3619 "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3620 mcp_param, opcode);
3621 return -EINVAL;
3622 }
3623
3624 return 0;
3625}
3626
3627void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3628 struct qed_resc_unlock_params *p_unlock,
3629 enum qed_resc_lock
3630 resource, bool b_is_permanent)
3631{
3632 if (p_lock) {
3633 memset(p_lock, 0, sizeof(*p_lock));
3634
3635 /* Permanent resources don't require aging, and there's no
3636 * point in trying to acquire them more than once since it's
3637 * unexpected another entity would release them.
3638 */
3639 if (b_is_permanent) {
3640 p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3641 } else {
3642 p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3643 p_lock->retry_interval =
3644 QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3645 p_lock->sleep_b4_retry = true;
3646 }
3647
3648 p_lock->resource = resource;
3649 }
3650
3651 if (p_unlock) {
3652 memset(p_unlock, 0, sizeof(*p_unlock));
3653 p_unlock->resource = resource;
3654 }
3655}
3656
3657bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3658{
3659 return !!(p_hwfn->mcp_info->capabilities &
3660 FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3661}
3662
3663int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3664{
3665 u32 mcp_resp;
3666 int rc;
3667
3668 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3669 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3670 if (!rc)
3671 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3672 "MFW supported features: %08x\n",
3673 p_hwfn->mcp_info->capabilities);
3674
3675 return rc;
3676}
3677
3678int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3679{
3680 u32 mcp_resp, mcp_param, features;
3681
3682 features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3683 DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK;
3684
3685 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3686 features, &mcp_resp, &mcp_param);
3687}
3688
3689int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3690{
3691 struct qed_mcp_mb_params mb_params = {0};
3692 struct qed_dev *cdev = p_hwfn->cdev;
3693 u8 fir_valid, l2_valid;
3694 int rc;
3695
3696 mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3697 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3698 if (rc)
3699 return rc;
3700
3701 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3702 DP_INFO(p_hwfn,
3703 "The get_engine_config command is unsupported by the MFW\n");
3704 return -EOPNOTSUPP;
3705 }
3706
3707 fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3708 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3709 if (fir_valid)
3710 cdev->fir_affin =
3711 QED_MFW_GET_FIELD(mb_params.mcp_param,
3712 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3713
3714 l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3715 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
3716 if (l2_valid)
3717 cdev->l2_affin_hint =
3718 QED_MFW_GET_FIELD(mb_params.mcp_param,
3719 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
3720
3721 DP_INFO(p_hwfn,
3722 "Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
3723 fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
3724
3725 return 0;
3726}
3727
3728int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3729{
3730 struct qed_mcp_mb_params mb_params = {0};
3731 struct qed_dev *cdev = p_hwfn->cdev;
3732 int rc;
3733
3734 mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
3735 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3736 if (rc)
3737 return rc;
3738
3739 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3740 DP_INFO(p_hwfn,
3741 "The get_ppfid_bitmap command is unsupported by the MFW\n");
3742 return -EOPNOTSUPP;
3743 }
3744
3745 cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
3746 FW_MB_PARAM_PPFID_BITMAP);
3747
3748 DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
3749 cdev->ppfid_bitmap);
3750
3751 return 0;
3752}
3753
3754int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3755 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
3756 u32 *p_len)
3757{
3758 u32 mb_param = 0, resp, param;
3759 int rc;
3760
3761 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
3762 if (flags & QED_NVM_CFG_OPTION_INIT)
3763 QED_MFW_SET_FIELD(mb_param,
3764 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
3765 if (flags & QED_NVM_CFG_OPTION_FREE)
3766 QED_MFW_SET_FIELD(mb_param,
3767 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
3768 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
3769 QED_MFW_SET_FIELD(mb_param,
3770 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
3771 QED_MFW_SET_FIELD(mb_param,
3772 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
3773 entity_id);
3774 }
3775
3776 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3777 DRV_MSG_CODE_GET_NVM_CFG_OPTION,
3778 mb_param, &resp, ¶m, p_len, (u32 *)p_buf);
3779
3780 return rc;
3781}
3782
3783int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3784 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
3785 u32 len)
3786{
3787 u32 mb_param = 0, resp, param;
3788
3789 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
3790 if (flags & QED_NVM_CFG_OPTION_ALL)
3791 QED_MFW_SET_FIELD(mb_param,
3792 DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
3793 if (flags & QED_NVM_CFG_OPTION_INIT)
3794 QED_MFW_SET_FIELD(mb_param,
3795 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
3796 if (flags & QED_NVM_CFG_OPTION_COMMIT)
3797 QED_MFW_SET_FIELD(mb_param,
3798 DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
3799 if (flags & QED_NVM_CFG_OPTION_FREE)
3800 QED_MFW_SET_FIELD(mb_param,
3801 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
3802 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
3803 QED_MFW_SET_FIELD(mb_param,
3804 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
3805 QED_MFW_SET_FIELD(mb_param,
3806 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
3807 entity_id);
3808 }
3809
3810 return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
3811 DRV_MSG_CODE_SET_NVM_CFG_OPTION,
3812 mb_param, &resp, ¶m, len, (u32 *)p_buf);
3813}