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1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2/* QLogic qed NIC Driver
3 * Copyright (c) 2015-2017 QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7#include <linux/types.h>
8#include <asm/byteorder.h>
9#include <linux/delay.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <linux/slab.h>
13#include <linux/spinlock.h>
14#include <linux/string.h>
15#include <linux/etherdevice.h>
16#include "qed.h"
17#include "qed_cxt.h"
18#include "qed_dcbx.h"
19#include "qed_hsi.h"
20#include "qed_mfw_hsi.h"
21#include "qed_hw.h"
22#include "qed_mcp.h"
23#include "qed_reg_addr.h"
24#include "qed_sriov.h"
25
26#define GRCBASE_MCP 0xe00000
27
28#define QED_MCP_RESP_ITER_US 10
29
30#define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */
31#define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */
32
33#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \
34 qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)), \
35 _val)
36
37#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
38 qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)))
39
40#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \
41 DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
42 offsetof(struct public_drv_mb, _field), _val)
43
44#define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \
45 DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
46 offsetof(struct public_drv_mb, _field))
47
48#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
49 DRV_ID_PDA_COMP_VER_SHIFT)
50
51#define MCP_BYTES_PER_MBIT_SHIFT 17
52
53bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
54{
55 if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
56 return false;
57 return true;
58}
59
60void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
61{
62 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
63 PUBLIC_PORT);
64 u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
65
66 p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
67 MFW_PORT(p_hwfn));
68 DP_VERBOSE(p_hwfn, QED_MSG_SP,
69 "port_addr = 0x%x, port_id 0x%02x\n",
70 p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
71}
72
73void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
74{
75 u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
76 u32 tmp, i;
77
78 if (!p_hwfn->mcp_info->public_base)
79 return;
80
81 for (i = 0; i < length; i++) {
82 tmp = qed_rd(p_hwfn, p_ptt,
83 p_hwfn->mcp_info->mfw_mb_addr +
84 (i << 2) + sizeof(u32));
85
86 /* The MB data is actually BE; Need to force it to cpu */
87 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
88 be32_to_cpu((__force __be32)tmp);
89 }
90}
91
92struct qed_mcp_cmd_elem {
93 struct list_head list;
94 struct qed_mcp_mb_params *p_mb_params;
95 u16 expected_seq_num;
96 bool b_is_completed;
97};
98
99/* Must be called while cmd_lock is acquired */
100static struct qed_mcp_cmd_elem *
101qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
102 struct qed_mcp_mb_params *p_mb_params,
103 u16 expected_seq_num)
104{
105 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
106
107 p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
108 if (!p_cmd_elem)
109 goto out;
110
111 p_cmd_elem->p_mb_params = p_mb_params;
112 p_cmd_elem->expected_seq_num = expected_seq_num;
113 list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
114out:
115 return p_cmd_elem;
116}
117
118/* Must be called while cmd_lock is acquired */
119static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
120 struct qed_mcp_cmd_elem *p_cmd_elem)
121{
122 list_del(&p_cmd_elem->list);
123 kfree(p_cmd_elem);
124}
125
126/* Must be called while cmd_lock is acquired */
127static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
128 u16 seq_num)
129{
130 struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
131
132 list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
133 if (p_cmd_elem->expected_seq_num == seq_num)
134 return p_cmd_elem;
135 }
136
137 return NULL;
138}
139
140int qed_mcp_free(struct qed_hwfn *p_hwfn)
141{
142 if (p_hwfn->mcp_info) {
143 struct qed_mcp_cmd_elem *p_cmd_elem = NULL, *p_tmp;
144
145 kfree(p_hwfn->mcp_info->mfw_mb_cur);
146 kfree(p_hwfn->mcp_info->mfw_mb_shadow);
147
148 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
149 list_for_each_entry_safe(p_cmd_elem,
150 p_tmp,
151 &p_hwfn->mcp_info->cmd_list, list) {
152 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
153 }
154 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
155 }
156
157 kfree(p_hwfn->mcp_info);
158 p_hwfn->mcp_info = NULL;
159
160 return 0;
161}
162
163/* Maximum of 1 sec to wait for the SHMEM ready indication */
164#define QED_MCP_SHMEM_RDY_MAX_RETRIES 20
165#define QED_MCP_SHMEM_RDY_ITER_MS 50
166
167static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
168{
169 struct qed_mcp_info *p_info = p_hwfn->mcp_info;
170 u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
171 u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
172 u32 drv_mb_offsize, mfw_mb_offsize;
173 u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
174
175 p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
176 if (!p_info->public_base) {
177 DP_NOTICE(p_hwfn,
178 "The address of the MCP scratch-pad is not configured\n");
179 return -EINVAL;
180 }
181
182 p_info->public_base |= GRCBASE_MCP;
183
184 /* Get the MFW MB address and number of supported messages */
185 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
186 SECTION_OFFSIZE_ADDR(p_info->public_base,
187 PUBLIC_MFW_MB));
188 p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
189 p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
190 p_info->mfw_mb_addr +
191 offsetof(struct public_mfw_mb,
192 sup_msgs));
193
194 /* The driver can notify that there was an MCP reset, and might read the
195 * SHMEM values before the MFW has completed initializing them.
196 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
197 * data ready indication.
198 */
199 while (!p_info->mfw_mb_length && --cnt) {
200 msleep(msec);
201 p_info->mfw_mb_length =
202 (u16)qed_rd(p_hwfn, p_ptt,
203 p_info->mfw_mb_addr +
204 offsetof(struct public_mfw_mb, sup_msgs));
205 }
206
207 if (!cnt) {
208 DP_NOTICE(p_hwfn,
209 "Failed to get the SHMEM ready notification after %d msec\n",
210 QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
211 return -EBUSY;
212 }
213
214 /* Calculate the driver and MFW mailbox address */
215 drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
216 SECTION_OFFSIZE_ADDR(p_info->public_base,
217 PUBLIC_DRV_MB));
218 p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
219 DP_VERBOSE(p_hwfn, QED_MSG_SP,
220 "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
221 drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
222
223 /* Get the current driver mailbox sequence before sending
224 * the first command
225 */
226 p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
227 DRV_MSG_SEQ_NUMBER_MASK;
228
229 /* Get current FW pulse sequence */
230 p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
231 DRV_PULSE_SEQ_MASK;
232
233 p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
234
235 return 0;
236}
237
238int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
239{
240 struct qed_mcp_info *p_info;
241 u32 size;
242
243 /* Allocate mcp_info structure */
244 p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
245 if (!p_hwfn->mcp_info)
246 goto err;
247 p_info = p_hwfn->mcp_info;
248
249 /* Initialize the MFW spinlock */
250 spin_lock_init(&p_info->cmd_lock);
251 spin_lock_init(&p_info->link_lock);
252 spin_lock_init(&p_info->unload_lock);
253
254 INIT_LIST_HEAD(&p_info->cmd_list);
255
256 if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
257 DP_NOTICE(p_hwfn, "MCP is not initialized\n");
258 /* Do not free mcp_info here, since public_base indicate that
259 * the MCP is not initialized
260 */
261 return 0;
262 }
263
264 size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
265 p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
266 p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
267 if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
268 goto err;
269
270 return 0;
271
272err:
273 qed_mcp_free(p_hwfn);
274 return -ENOMEM;
275}
276
277static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
278 struct qed_ptt *p_ptt)
279{
280 u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
281
282 /* Use MCP history register to check if MCP reset occurred between init
283 * time and now.
284 */
285 if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
286 DP_VERBOSE(p_hwfn,
287 QED_MSG_SP,
288 "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
289 p_hwfn->mcp_info->mcp_hist, generic_por_0);
290
291 qed_load_mcp_offsets(p_hwfn, p_ptt);
292 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
293 }
294}
295
296int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
297{
298 u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
299 int rc = 0;
300
301 if (p_hwfn->mcp_info->b_block_cmd) {
302 DP_NOTICE(p_hwfn,
303 "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
304 return -EBUSY;
305 }
306
307 /* Ensure that only a single thread is accessing the mailbox */
308 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
309
310 org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
311
312 /* Set drv command along with the updated sequence */
313 qed_mcp_reread_offsets(p_hwfn, p_ptt);
314 seq = ++p_hwfn->mcp_info->drv_mb_seq;
315 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
316
317 do {
318 /* Wait for MFW response */
319 udelay(delay);
320 /* Give the FW up to 500 second (50*1000*10usec) */
321 } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
322 MISCS_REG_GENERIC_POR_0)) &&
323 (cnt++ < QED_MCP_RESET_RETRIES));
324
325 if (org_mcp_reset_seq !=
326 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
327 DP_VERBOSE(p_hwfn, QED_MSG_SP,
328 "MCP was reset after %d usec\n", cnt * delay);
329 } else {
330 DP_ERR(p_hwfn, "Failed to reset MCP\n");
331 rc = -EAGAIN;
332 }
333
334 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
335
336 return rc;
337}
338
339/* Must be called while cmd_lock is acquired */
340static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
341{
342 struct qed_mcp_cmd_elem *p_cmd_elem;
343
344 /* There is at most one pending command at a certain time, and if it
345 * exists - it is placed at the HEAD of the list.
346 */
347 if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
348 p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
349 struct qed_mcp_cmd_elem, list);
350 return !p_cmd_elem->b_is_completed;
351 }
352
353 return false;
354}
355
356/* Must be called while cmd_lock is acquired */
357static int
358qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
359{
360 struct qed_mcp_mb_params *p_mb_params;
361 struct qed_mcp_cmd_elem *p_cmd_elem;
362 u32 mcp_resp;
363 u16 seq_num;
364
365 mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
366 seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
367
368 /* Return if no new non-handled response has been received */
369 if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
370 return -EAGAIN;
371
372 p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
373 if (!p_cmd_elem) {
374 DP_ERR(p_hwfn,
375 "Failed to find a pending mailbox cmd that expects sequence number %d\n",
376 seq_num);
377 return -EINVAL;
378 }
379
380 p_mb_params = p_cmd_elem->p_mb_params;
381
382 /* Get the MFW response along with the sequence number */
383 p_mb_params->mcp_resp = mcp_resp;
384
385 /* Get the MFW param */
386 p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
387
388 /* Get the union data */
389 if (p_mb_params->p_data_dst && p_mb_params->data_dst_size) {
390 u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
391 offsetof(struct public_drv_mb,
392 union_data);
393 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
394 union_data_addr, p_mb_params->data_dst_size);
395 }
396
397 p_cmd_elem->b_is_completed = true;
398
399 return 0;
400}
401
402/* Must be called while cmd_lock is acquired */
403static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
404 struct qed_ptt *p_ptt,
405 struct qed_mcp_mb_params *p_mb_params,
406 u16 seq_num)
407{
408 union drv_union_data union_data;
409 u32 union_data_addr;
410
411 /* Set the union data */
412 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
413 offsetof(struct public_drv_mb, union_data);
414 memset(&union_data, 0, sizeof(union_data));
415 if (p_mb_params->p_data_src && p_mb_params->data_src_size)
416 memcpy(&union_data, p_mb_params->p_data_src,
417 p_mb_params->data_src_size);
418 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
419 sizeof(union_data));
420
421 /* Set the drv param */
422 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
423
424 /* Set the drv command along with the sequence number */
425 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
426
427 DP_VERBOSE(p_hwfn, QED_MSG_SP,
428 "MFW mailbox: command 0x%08x param 0x%08x\n",
429 (p_mb_params->cmd | seq_num), p_mb_params->param);
430}
431
432static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
433{
434 p_hwfn->mcp_info->b_block_cmd = block_cmd;
435
436 DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
437 block_cmd ? "Block" : "Unblock");
438}
439
440static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
441 struct qed_ptt *p_ptt)
442{
443 u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
444 u32 delay = QED_MCP_RESP_ITER_US;
445
446 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
447 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
448 cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
449 udelay(delay);
450 cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
451 udelay(delay);
452 cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
453
454 DP_NOTICE(p_hwfn,
455 "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
456 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
457}
458
459static int
460_qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
461 struct qed_ptt *p_ptt,
462 struct qed_mcp_mb_params *p_mb_params)
463{
464 struct qed_mcp_cmd_elem *p_cmd_elem;
465 u16 seq_num;
466 u32 cnt = 0;
467 int rc = 0;
468
469 /* Wait until the mailbox is non-occupied */
470 do {
471 /* Exit the loop if there is no pending command, or if the
472 * pending command is completed during this iteration.
473 * The spinlock stays locked until the command is sent.
474 */
475
476 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
477
478 if (!qed_mcp_has_pending_cmd(p_hwfn))
479 break;
480
481 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
482 if (!rc)
483 break;
484 else if (rc != -EAGAIN)
485 goto err;
486
487 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
488
489 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
490 usleep_range(QED_MCP_RESP_ITER_US,
491 QED_MCP_RESP_ITER_US * 2);
492 else
493 udelay(QED_MCP_RESP_ITER_US);
494 } while (++cnt < QED_DRV_MB_MAX_RETRIES);
495
496 if (cnt >= QED_DRV_MB_MAX_RETRIES) {
497 DP_NOTICE(p_hwfn,
498 "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
499 p_mb_params->cmd, p_mb_params->param);
500 return -EAGAIN;
501 }
502
503 /* Send the mailbox command */
504 qed_mcp_reread_offsets(p_hwfn, p_ptt);
505 seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
506 p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
507 if (!p_cmd_elem) {
508 rc = -ENOMEM;
509 goto err;
510 }
511
512 __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
513 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
514
515 /* Wait for the MFW response */
516 do {
517 /* Exit the loop if the command is already completed, or if the
518 * command is completed during this iteration.
519 * The spinlock stays locked until the list element is removed.
520 */
521
522 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
523 usleep_range(QED_MCP_RESP_ITER_US,
524 QED_MCP_RESP_ITER_US * 2);
525 else
526 udelay(QED_MCP_RESP_ITER_US);
527
528 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
529
530 if (p_cmd_elem->b_is_completed)
531 break;
532
533 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
534 if (!rc)
535 break;
536 else if (rc != -EAGAIN)
537 goto err;
538
539 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
540 } while (++cnt < QED_DRV_MB_MAX_RETRIES);
541
542 if (cnt >= QED_DRV_MB_MAX_RETRIES) {
543 DP_NOTICE(p_hwfn,
544 "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
545 p_mb_params->cmd, p_mb_params->param);
546 qed_mcp_print_cpu_info(p_hwfn, p_ptt);
547
548 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
549 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
550 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
551
552 if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
553 qed_mcp_cmd_set_blocking(p_hwfn, true);
554
555 qed_hw_err_notify(p_hwfn, p_ptt,
556 QED_HW_ERR_MFW_RESP_FAIL, NULL);
557 return -EAGAIN;
558 }
559
560 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
561 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
562
563 DP_VERBOSE(p_hwfn,
564 QED_MSG_SP,
565 "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
566 p_mb_params->mcp_resp,
567 p_mb_params->mcp_param,
568 (cnt * QED_MCP_RESP_ITER_US) / 1000,
569 (cnt * QED_MCP_RESP_ITER_US) % 1000);
570
571 /* Clear the sequence number from the MFW response */
572 p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
573
574 return 0;
575
576err:
577 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
578 return rc;
579}
580
581static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
582 struct qed_ptt *p_ptt,
583 struct qed_mcp_mb_params *p_mb_params)
584{
585 size_t union_data_size = sizeof(union drv_union_data);
586
587 /* MCP not initialized */
588 if (!qed_mcp_is_init(p_hwfn)) {
589 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
590 return -EBUSY;
591 }
592
593 if (p_hwfn->mcp_info->b_block_cmd) {
594 DP_NOTICE(p_hwfn,
595 "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
596 p_mb_params->cmd, p_mb_params->param);
597 return -EBUSY;
598 }
599
600 if (p_mb_params->data_src_size > union_data_size ||
601 p_mb_params->data_dst_size > union_data_size) {
602 DP_ERR(p_hwfn,
603 "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
604 p_mb_params->data_src_size,
605 p_mb_params->data_dst_size, union_data_size);
606 return -EINVAL;
607 }
608
609 return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params);
610}
611
612static int _qed_mcp_cmd(struct qed_hwfn *p_hwfn,
613 struct qed_ptt *p_ptt,
614 u32 cmd,
615 u32 param,
616 u32 *o_mcp_resp,
617 u32 *o_mcp_param,
618 bool can_sleep)
619{
620 struct qed_mcp_mb_params mb_params;
621 int rc;
622
623 memset(&mb_params, 0, sizeof(mb_params));
624 mb_params.cmd = cmd;
625 mb_params.param = param;
626 mb_params.flags = can_sleep ? QED_MB_FLAG_CAN_SLEEP : 0;
627
628 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
629 if (rc)
630 return rc;
631
632 *o_mcp_resp = mb_params.mcp_resp;
633 *o_mcp_param = mb_params.mcp_param;
634
635 return 0;
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 return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
646 o_mcp_resp, o_mcp_param, true));
647}
648
649int qed_mcp_cmd_nosleep(struct qed_hwfn *p_hwfn,
650 struct qed_ptt *p_ptt,
651 u32 cmd,
652 u32 param,
653 u32 *o_mcp_resp,
654 u32 *o_mcp_param)
655{
656 return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
657 o_mcp_resp, o_mcp_param, false));
658}
659
660static int
661qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
662 struct qed_ptt *p_ptt,
663 u32 cmd,
664 u32 param,
665 u32 *o_mcp_resp,
666 u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
667{
668 struct qed_mcp_mb_params mb_params;
669 int rc;
670
671 memset(&mb_params, 0, sizeof(mb_params));
672 mb_params.cmd = cmd;
673 mb_params.param = param;
674 mb_params.p_data_src = i_buf;
675 mb_params.data_src_size = (u8)i_txn_size;
676 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
677 if (rc)
678 return rc;
679
680 *o_mcp_resp = mb_params.mcp_resp;
681 *o_mcp_param = mb_params.mcp_param;
682
683 /* nvm_info needs to be updated */
684 p_hwfn->nvm_info.valid = false;
685
686 return 0;
687}
688
689int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
690 struct qed_ptt *p_ptt,
691 u32 cmd,
692 u32 param,
693 u32 *o_mcp_resp,
694 u32 *o_mcp_param,
695 u32 *o_txn_size, u32 *o_buf, bool b_can_sleep)
696{
697 struct qed_mcp_mb_params mb_params;
698 u8 raw_data[MCP_DRV_NVM_BUF_LEN];
699 int rc;
700
701 memset(&mb_params, 0, sizeof(mb_params));
702 mb_params.cmd = cmd;
703 mb_params.param = param;
704 mb_params.p_data_dst = raw_data;
705
706 /* Use the maximal value since the actual one is part of the response */
707 mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
708 if (b_can_sleep)
709 mb_params.flags = QED_MB_FLAG_CAN_SLEEP;
710
711 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
712 if (rc)
713 return rc;
714
715 *o_mcp_resp = mb_params.mcp_resp;
716 *o_mcp_param = mb_params.mcp_param;
717
718 *o_txn_size = *o_mcp_param;
719 memcpy(o_buf, raw_data, *o_txn_size);
720
721 return 0;
722}
723
724static bool
725qed_mcp_can_force_load(u8 drv_role,
726 u8 exist_drv_role,
727 enum qed_override_force_load override_force_load)
728{
729 bool can_force_load = false;
730
731 switch (override_force_load) {
732 case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
733 can_force_load = true;
734 break;
735 case QED_OVERRIDE_FORCE_LOAD_NEVER:
736 can_force_load = false;
737 break;
738 default:
739 can_force_load = (drv_role == DRV_ROLE_OS &&
740 exist_drv_role == DRV_ROLE_PREBOOT) ||
741 (drv_role == DRV_ROLE_KDUMP &&
742 exist_drv_role == DRV_ROLE_OS);
743 break;
744 }
745
746 return can_force_load;
747}
748
749static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
750 struct qed_ptt *p_ptt)
751{
752 u32 resp = 0, param = 0;
753 int rc;
754
755 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
756 &resp, ¶m);
757 if (rc)
758 DP_NOTICE(p_hwfn,
759 "Failed to send cancel load request, rc = %d\n", rc);
760
761 return rc;
762}
763
764#define BITMAP_IDX_FOR_CONFIG_QEDE BIT(0)
765#define BITMAP_IDX_FOR_CONFIG_QED_SRIOV BIT(1)
766#define BITMAP_IDX_FOR_CONFIG_QEDR BIT(2)
767#define BITMAP_IDX_FOR_CONFIG_QEDF BIT(4)
768#define BITMAP_IDX_FOR_CONFIG_QEDI BIT(5)
769#define BITMAP_IDX_FOR_CONFIG_QED_LL2 BIT(6)
770
771static u32 qed_get_config_bitmap(void)
772{
773 u32 config_bitmap = 0x0;
774
775 if (IS_ENABLED(CONFIG_QEDE))
776 config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDE;
777
778 if (IS_ENABLED(CONFIG_QED_SRIOV))
779 config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_SRIOV;
780
781 if (IS_ENABLED(CONFIG_QED_RDMA))
782 config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDR;
783
784 if (IS_ENABLED(CONFIG_QED_FCOE))
785 config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDF;
786
787 if (IS_ENABLED(CONFIG_QED_ISCSI))
788 config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDI;
789
790 if (IS_ENABLED(CONFIG_QED_LL2))
791 config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_LL2;
792
793 return config_bitmap;
794}
795
796struct qed_load_req_in_params {
797 u8 hsi_ver;
798#define QED_LOAD_REQ_HSI_VER_DEFAULT 0
799#define QED_LOAD_REQ_HSI_VER_1 1
800 u32 drv_ver_0;
801 u32 drv_ver_1;
802 u32 fw_ver;
803 u8 drv_role;
804 u8 timeout_val;
805 u8 force_cmd;
806 bool avoid_eng_reset;
807};
808
809struct qed_load_req_out_params {
810 u32 load_code;
811 u32 exist_drv_ver_0;
812 u32 exist_drv_ver_1;
813 u32 exist_fw_ver;
814 u8 exist_drv_role;
815 u8 mfw_hsi_ver;
816 bool drv_exists;
817};
818
819static int
820__qed_mcp_load_req(struct qed_hwfn *p_hwfn,
821 struct qed_ptt *p_ptt,
822 struct qed_load_req_in_params *p_in_params,
823 struct qed_load_req_out_params *p_out_params)
824{
825 struct qed_mcp_mb_params mb_params;
826 struct load_req_stc load_req;
827 struct load_rsp_stc load_rsp;
828 u32 hsi_ver;
829 int rc;
830
831 memset(&load_req, 0, sizeof(load_req));
832 load_req.drv_ver_0 = p_in_params->drv_ver_0;
833 load_req.drv_ver_1 = p_in_params->drv_ver_1;
834 load_req.fw_ver = p_in_params->fw_ver;
835 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
836 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
837 p_in_params->timeout_val);
838 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
839 p_in_params->force_cmd);
840 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
841 p_in_params->avoid_eng_reset);
842
843 hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
844 DRV_ID_MCP_HSI_VER_CURRENT :
845 (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
846
847 memset(&mb_params, 0, sizeof(mb_params));
848 mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
849 mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
850 mb_params.p_data_src = &load_req;
851 mb_params.data_src_size = sizeof(load_req);
852 mb_params.p_data_dst = &load_rsp;
853 mb_params.data_dst_size = sizeof(load_rsp);
854 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
855
856 DP_VERBOSE(p_hwfn, QED_MSG_SP,
857 "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
858 mb_params.param,
859 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
860 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
861 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
862 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
863
864 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
865 DP_VERBOSE(p_hwfn, QED_MSG_SP,
866 "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",
867 load_req.drv_ver_0,
868 load_req.drv_ver_1,
869 load_req.fw_ver,
870 load_req.misc0,
871 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
872 QED_MFW_GET_FIELD(load_req.misc0,
873 LOAD_REQ_LOCK_TO),
874 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
875 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
876 }
877
878 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
879 if (rc) {
880 DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
881 return rc;
882 }
883
884 DP_VERBOSE(p_hwfn, QED_MSG_SP,
885 "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
886 p_out_params->load_code = mb_params.mcp_resp;
887
888 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
889 p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
890 DP_VERBOSE(p_hwfn,
891 QED_MSG_SP,
892 "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",
893 load_rsp.drv_ver_0,
894 load_rsp.drv_ver_1,
895 load_rsp.fw_ver,
896 load_rsp.misc0,
897 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
898 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
899 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
900
901 p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
902 p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
903 p_out_params->exist_fw_ver = load_rsp.fw_ver;
904 p_out_params->exist_drv_role =
905 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
906 p_out_params->mfw_hsi_ver =
907 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
908 p_out_params->drv_exists =
909 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
910 LOAD_RSP_FLAGS0_DRV_EXISTS;
911 }
912
913 return 0;
914}
915
916static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
917 enum qed_drv_role drv_role,
918 u8 *p_mfw_drv_role)
919{
920 switch (drv_role) {
921 case QED_DRV_ROLE_OS:
922 *p_mfw_drv_role = DRV_ROLE_OS;
923 break;
924 case QED_DRV_ROLE_KDUMP:
925 *p_mfw_drv_role = DRV_ROLE_KDUMP;
926 break;
927 default:
928 DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
929 return -EINVAL;
930 }
931
932 return 0;
933}
934
935enum qed_load_req_force {
936 QED_LOAD_REQ_FORCE_NONE,
937 QED_LOAD_REQ_FORCE_PF,
938 QED_LOAD_REQ_FORCE_ALL,
939};
940
941static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
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_1 = qed_get_config_bitmap();
970 in_params.fw_ver = STORM_FW_VERSION;
971 rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
972 if (rc)
973 return rc;
974
975 in_params.drv_role = mfw_drv_role;
976 in_params.timeout_val = p_params->timeout_val;
977 qed_get_mfw_force_cmd(p_hwfn,
978 QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
979
980 in_params.force_cmd = mfw_force_cmd;
981 in_params.avoid_eng_reset = p_params->avoid_eng_reset;
982
983 memset(&out_params, 0, sizeof(out_params));
984 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
985 if (rc)
986 return rc;
987
988 /* First handle cases where another load request should/might be sent:
989 * - MFW expects the old interface [HSI version = 1]
990 * - MFW responds that a force load request is required
991 */
992 if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
993 DP_INFO(p_hwfn,
994 "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
995
996 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
997 memset(&out_params, 0, sizeof(out_params));
998 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
999 if (rc)
1000 return rc;
1001 } else if (out_params.load_code ==
1002 FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1003 if (qed_mcp_can_force_load(in_params.drv_role,
1004 out_params.exist_drv_role,
1005 p_params->override_force_load)) {
1006 DP_INFO(p_hwfn,
1007 "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",
1008 in_params.drv_role, in_params.fw_ver,
1009 in_params.drv_ver_0, in_params.drv_ver_1,
1010 out_params.exist_drv_role,
1011 out_params.exist_fw_ver,
1012 out_params.exist_drv_ver_0,
1013 out_params.exist_drv_ver_1);
1014
1015 qed_get_mfw_force_cmd(p_hwfn,
1016 QED_LOAD_REQ_FORCE_ALL,
1017 &mfw_force_cmd);
1018
1019 in_params.force_cmd = mfw_force_cmd;
1020 memset(&out_params, 0, sizeof(out_params));
1021 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1022 &out_params);
1023 if (rc)
1024 return rc;
1025 } else {
1026 DP_NOTICE(p_hwfn,
1027 "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",
1028 in_params.drv_role, in_params.fw_ver,
1029 in_params.drv_ver_0, in_params.drv_ver_1,
1030 out_params.exist_drv_role,
1031 out_params.exist_fw_ver,
1032 out_params.exist_drv_ver_0,
1033 out_params.exist_drv_ver_1);
1034 DP_NOTICE(p_hwfn,
1035 "Avoid sending a force load request to prevent disruption of active PFs\n");
1036
1037 qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1038 return -EBUSY;
1039 }
1040 }
1041
1042 /* Now handle the other types of responses.
1043 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1044 * expected here after the additional revised load requests were sent.
1045 */
1046 switch (out_params.load_code) {
1047 case FW_MSG_CODE_DRV_LOAD_ENGINE:
1048 case FW_MSG_CODE_DRV_LOAD_PORT:
1049 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1050 if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1051 out_params.drv_exists) {
1052 /* The role and fw/driver version match, but the PF is
1053 * already loaded and has not been unloaded gracefully.
1054 */
1055 DP_NOTICE(p_hwfn,
1056 "PF is already loaded\n");
1057 return -EINVAL;
1058 }
1059 break;
1060 default:
1061 DP_NOTICE(p_hwfn,
1062 "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1063 out_params.load_code);
1064 return -EBUSY;
1065 }
1066
1067 p_params->load_code = out_params.load_code;
1068
1069 return 0;
1070}
1071
1072int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1073{
1074 u32 resp = 0, param = 0;
1075 int rc;
1076
1077 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1078 ¶m);
1079 if (rc) {
1080 DP_NOTICE(p_hwfn,
1081 "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1082 return rc;
1083 }
1084
1085 /* Check if there is a DID mismatch between nvm-cfg/efuse */
1086 if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1087 DP_NOTICE(p_hwfn,
1088 "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1089
1090 return 0;
1091}
1092
1093#define MFW_COMPLETION_MAX_ITER 5000
1094#define MFW_COMPLETION_INTERVAL_MS 1
1095
1096int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1097{
1098 struct qed_mcp_mb_params mb_params;
1099 u32 cnt = MFW_COMPLETION_MAX_ITER;
1100 u32 wol_param;
1101 int rc;
1102
1103 switch (p_hwfn->cdev->wol_config) {
1104 case QED_OV_WOL_DISABLED:
1105 wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1106 break;
1107 case QED_OV_WOL_ENABLED:
1108 wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1109 break;
1110 default:
1111 DP_NOTICE(p_hwfn,
1112 "Unknown WoL configuration %02x\n",
1113 p_hwfn->cdev->wol_config);
1114 fallthrough;
1115 case QED_OV_WOL_DEFAULT:
1116 wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1117 }
1118
1119 memset(&mb_params, 0, sizeof(mb_params));
1120 mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1121 mb_params.param = wol_param;
1122 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1123
1124 spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
1125 set_bit(QED_MCP_BYPASS_PROC_BIT,
1126 &p_hwfn->mcp_info->mcp_handling_status);
1127 spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
1128
1129 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1130
1131 while (test_bit(QED_MCP_IN_PROCESSING_BIT,
1132 &p_hwfn->mcp_info->mcp_handling_status) && --cnt)
1133 msleep(MFW_COMPLETION_INTERVAL_MS);
1134
1135 if (!cnt)
1136 DP_NOTICE(p_hwfn,
1137 "Failed to wait MFW event completion after %d msec\n",
1138 MFW_COMPLETION_MAX_ITER * MFW_COMPLETION_INTERVAL_MS);
1139
1140 return rc;
1141}
1142
1143int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1144{
1145 struct qed_mcp_mb_params mb_params;
1146 struct mcp_mac wol_mac;
1147
1148 memset(&mb_params, 0, sizeof(mb_params));
1149 mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1150
1151 /* Set the primary MAC if WoL is enabled */
1152 if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1153 u8 *p_mac = p_hwfn->cdev->wol_mac;
1154
1155 memset(&wol_mac, 0, sizeof(wol_mac));
1156 wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1157 wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1158 p_mac[4] << 8 | p_mac[5];
1159
1160 DP_VERBOSE(p_hwfn,
1161 (QED_MSG_SP | NETIF_MSG_IFDOWN),
1162 "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1163 p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1164
1165 mb_params.p_data_src = &wol_mac;
1166 mb_params.data_src_size = sizeof(wol_mac);
1167 }
1168
1169 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1170}
1171
1172static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1173 struct qed_ptt *p_ptt)
1174{
1175 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1176 PUBLIC_PATH);
1177 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1178 u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1179 QED_PATH_ID(p_hwfn));
1180 u32 disabled_vfs[VF_MAX_STATIC / 32];
1181 int i;
1182
1183 DP_VERBOSE(p_hwfn,
1184 QED_MSG_SP,
1185 "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1186 mfw_path_offsize, path_addr);
1187
1188 for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1189 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1190 path_addr +
1191 offsetof(struct public_path,
1192 mcp_vf_disabled) +
1193 sizeof(u32) * i);
1194 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1195 "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1196 i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1197 }
1198
1199 if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1200 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1201}
1202
1203int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1204 struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1205{
1206 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1207 PUBLIC_FUNC);
1208 u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1209 u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1210 MCP_PF_ID(p_hwfn));
1211 struct qed_mcp_mb_params mb_params;
1212 int rc;
1213 int i;
1214
1215 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1216 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1217 "Acking VFs [%08x,...,%08x] - %08x\n",
1218 i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1219
1220 memset(&mb_params, 0, sizeof(mb_params));
1221 mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1222 mb_params.p_data_src = vfs_to_ack;
1223 mb_params.data_src_size = VF_MAX_STATIC / 8;
1224 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1225 if (rc) {
1226 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1227 return -EBUSY;
1228 }
1229
1230 /* Clear the ACK bits */
1231 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1232 qed_wr(p_hwfn, p_ptt,
1233 func_addr +
1234 offsetof(struct public_func, drv_ack_vf_disabled) +
1235 i * sizeof(u32), 0);
1236
1237 return rc;
1238}
1239
1240static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1241 struct qed_ptt *p_ptt)
1242{
1243 u32 transceiver_state;
1244
1245 transceiver_state = qed_rd(p_hwfn, p_ptt,
1246 p_hwfn->mcp_info->port_addr +
1247 offsetof(struct public_port,
1248 transceiver_data));
1249
1250 DP_VERBOSE(p_hwfn,
1251 (NETIF_MSG_HW | QED_MSG_SP),
1252 "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1253 transceiver_state,
1254 (u32)(p_hwfn->mcp_info->port_addr +
1255 offsetof(struct public_port, transceiver_data)));
1256
1257 transceiver_state = GET_FIELD(transceiver_state,
1258 ETH_TRANSCEIVER_STATE);
1259
1260 if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1261 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1262 else
1263 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1264}
1265
1266static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1267 struct qed_ptt *p_ptt,
1268 struct qed_mcp_link_state *p_link)
1269{
1270 u32 eee_status, val;
1271
1272 p_link->eee_adv_caps = 0;
1273 p_link->eee_lp_adv_caps = 0;
1274 eee_status = qed_rd(p_hwfn,
1275 p_ptt,
1276 p_hwfn->mcp_info->port_addr +
1277 offsetof(struct public_port, eee_status));
1278 p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1279 val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1280 if (val & EEE_1G_ADV)
1281 p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1282 if (val & EEE_10G_ADV)
1283 p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1284 val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1285 if (val & EEE_1G_ADV)
1286 p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1287 if (val & EEE_10G_ADV)
1288 p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1289}
1290
1291static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1292 struct qed_ptt *p_ptt,
1293 struct public_func *p_data, int pfid)
1294{
1295 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1296 PUBLIC_FUNC);
1297 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1298 u32 func_addr;
1299 u32 i, size;
1300
1301 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1302 memset(p_data, 0, sizeof(*p_data));
1303
1304 size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1305 for (i = 0; i < size / sizeof(u32); i++)
1306 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1307 func_addr + (i << 2));
1308 return size;
1309}
1310
1311static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1312 struct public_func *p_shmem_info)
1313{
1314 struct qed_mcp_function_info *p_info;
1315
1316 p_info = &p_hwfn->mcp_info->func_info;
1317
1318 p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1319 FUNC_MF_CFG_MIN_BW);
1320 if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1321 DP_INFO(p_hwfn,
1322 "bandwidth minimum out of bounds [%02x]. Set to 1\n",
1323 p_info->bandwidth_min);
1324 p_info->bandwidth_min = 1;
1325 }
1326
1327 p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1328 FUNC_MF_CFG_MAX_BW);
1329 if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1330 DP_INFO(p_hwfn,
1331 "bandwidth maximum out of bounds [%02x]. Set to 100\n",
1332 p_info->bandwidth_max);
1333 p_info->bandwidth_max = 100;
1334 }
1335}
1336
1337static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1338 struct qed_ptt *p_ptt, bool b_reset)
1339{
1340 struct qed_mcp_link_state *p_link;
1341 u8 max_bw, min_bw;
1342 u32 status = 0;
1343
1344 /* Prevent SW/attentions from doing this at the same time */
1345 spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1346
1347 p_link = &p_hwfn->mcp_info->link_output;
1348 memset(p_link, 0, sizeof(*p_link));
1349 if (!b_reset) {
1350 status = qed_rd(p_hwfn, p_ptt,
1351 p_hwfn->mcp_info->port_addr +
1352 offsetof(struct public_port, link_status));
1353 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1354 "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1355 status,
1356 (u32)(p_hwfn->mcp_info->port_addr +
1357 offsetof(struct public_port, link_status)));
1358 } else {
1359 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1360 "Resetting link indications\n");
1361 goto out;
1362 }
1363
1364 if (p_hwfn->b_drv_link_init) {
1365 /* Link indication with modern MFW arrives as per-PF
1366 * indication.
1367 */
1368 if (p_hwfn->mcp_info->capabilities &
1369 FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1370 struct public_func shmem_info;
1371
1372 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1373 MCP_PF_ID(p_hwfn));
1374 p_link->link_up = !!(shmem_info.status &
1375 FUNC_STATUS_VIRTUAL_LINK_UP);
1376 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1377 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1378 "Virtual link_up = %d\n", p_link->link_up);
1379 } else {
1380 p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1381 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1382 "Physical link_up = %d\n", p_link->link_up);
1383 }
1384 } else {
1385 p_link->link_up = false;
1386 }
1387
1388 p_link->full_duplex = true;
1389 switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1390 case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1391 p_link->speed = 100000;
1392 break;
1393 case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1394 p_link->speed = 50000;
1395 break;
1396 case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1397 p_link->speed = 40000;
1398 break;
1399 case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1400 p_link->speed = 25000;
1401 break;
1402 case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1403 p_link->speed = 20000;
1404 break;
1405 case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1406 p_link->speed = 10000;
1407 break;
1408 case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1409 p_link->full_duplex = false;
1410 fallthrough;
1411 case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1412 p_link->speed = 1000;
1413 break;
1414 default:
1415 p_link->speed = 0;
1416 p_link->link_up = 0;
1417 }
1418
1419 if (p_link->link_up && p_link->speed)
1420 p_link->line_speed = p_link->speed;
1421 else
1422 p_link->line_speed = 0;
1423
1424 max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1425 min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1426
1427 /* Max bandwidth configuration */
1428 __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1429
1430 /* Min bandwidth configuration */
1431 __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1432 qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1433 p_link->min_pf_rate);
1434
1435 p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1436 p_link->an_complete = !!(status &
1437 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1438 p_link->parallel_detection = !!(status &
1439 LINK_STATUS_PARALLEL_DETECTION_USED);
1440 p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1441
1442 p_link->partner_adv_speed |=
1443 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1444 QED_LINK_PARTNER_SPEED_1G_FD : 0;
1445 p_link->partner_adv_speed |=
1446 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1447 QED_LINK_PARTNER_SPEED_1G_HD : 0;
1448 p_link->partner_adv_speed |=
1449 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1450 QED_LINK_PARTNER_SPEED_10G : 0;
1451 p_link->partner_adv_speed |=
1452 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1453 QED_LINK_PARTNER_SPEED_20G : 0;
1454 p_link->partner_adv_speed |=
1455 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1456 QED_LINK_PARTNER_SPEED_25G : 0;
1457 p_link->partner_adv_speed |=
1458 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1459 QED_LINK_PARTNER_SPEED_40G : 0;
1460 p_link->partner_adv_speed |=
1461 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1462 QED_LINK_PARTNER_SPEED_50G : 0;
1463 p_link->partner_adv_speed |=
1464 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1465 QED_LINK_PARTNER_SPEED_100G : 0;
1466
1467 p_link->partner_tx_flow_ctrl_en =
1468 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1469 p_link->partner_rx_flow_ctrl_en =
1470 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1471
1472 switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1473 case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1474 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1475 break;
1476 case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1477 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1478 break;
1479 case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1480 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1481 break;
1482 default:
1483 p_link->partner_adv_pause = 0;
1484 }
1485
1486 p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1487
1488 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1489 qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1490
1491 if (p_hwfn->mcp_info->capabilities &
1492 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1493 switch (status & LINK_STATUS_FEC_MODE_MASK) {
1494 case LINK_STATUS_FEC_MODE_NONE:
1495 p_link->fec_active = QED_FEC_MODE_NONE;
1496 break;
1497 case LINK_STATUS_FEC_MODE_FIRECODE_CL74:
1498 p_link->fec_active = QED_FEC_MODE_FIRECODE;
1499 break;
1500 case LINK_STATUS_FEC_MODE_RS_CL91:
1501 p_link->fec_active = QED_FEC_MODE_RS;
1502 break;
1503 default:
1504 p_link->fec_active = QED_FEC_MODE_AUTO;
1505 }
1506 } else {
1507 p_link->fec_active = QED_FEC_MODE_UNSUPPORTED;
1508 }
1509
1510 qed_link_update(p_hwfn, p_ptt);
1511out:
1512 spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1513}
1514
1515int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1516{
1517 struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1518 struct qed_mcp_mb_params mb_params;
1519 struct eth_phy_cfg phy_cfg;
1520 u32 cmd, fec_bit = 0;
1521 u32 val, ext_speed;
1522 int rc = 0;
1523
1524 /* Set the shmem configuration according to params */
1525 memset(&phy_cfg, 0, sizeof(phy_cfg));
1526 cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1527 if (!params->speed.autoneg)
1528 phy_cfg.speed = params->speed.forced_speed;
1529 phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1530 phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1531 phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1532 phy_cfg.adv_speed = params->speed.advertised_speeds;
1533 phy_cfg.loopback_mode = params->loopback_mode;
1534
1535 /* There are MFWs that share this capability regardless of whether
1536 * this is feasible or not. And given that at the very least adv_caps
1537 * would be set internally by qed, we want to make sure LFA would
1538 * still work.
1539 */
1540 if ((p_hwfn->mcp_info->capabilities &
1541 FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1542 phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1543 if (params->eee.tx_lpi_enable)
1544 phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1545 if (params->eee.adv_caps & QED_EEE_1G_ADV)
1546 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1547 if (params->eee.adv_caps & QED_EEE_10G_ADV)
1548 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1549 phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1550 EEE_TX_TIMER_USEC_OFFSET) &
1551 EEE_TX_TIMER_USEC_MASK;
1552 }
1553
1554 if (p_hwfn->mcp_info->capabilities &
1555 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1556 if (params->fec & QED_FEC_MODE_NONE)
1557 fec_bit |= FEC_FORCE_MODE_NONE;
1558 else if (params->fec & QED_FEC_MODE_FIRECODE)
1559 fec_bit |= FEC_FORCE_MODE_FIRECODE;
1560 else if (params->fec & QED_FEC_MODE_RS)
1561 fec_bit |= FEC_FORCE_MODE_RS;
1562 else if (params->fec & QED_FEC_MODE_AUTO)
1563 fec_bit |= FEC_FORCE_MODE_AUTO;
1564
1565 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit);
1566 }
1567
1568 if (p_hwfn->mcp_info->capabilities &
1569 FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
1570 ext_speed = 0;
1571 if (params->ext_speed.autoneg)
1572 ext_speed |= ETH_EXT_SPEED_NONE;
1573
1574 val = params->ext_speed.forced_speed;
1575 if (val & QED_EXT_SPEED_1G)
1576 ext_speed |= ETH_EXT_SPEED_1G;
1577 if (val & QED_EXT_SPEED_10G)
1578 ext_speed |= ETH_EXT_SPEED_10G;
1579 if (val & QED_EXT_SPEED_25G)
1580 ext_speed |= ETH_EXT_SPEED_25G;
1581 if (val & QED_EXT_SPEED_40G)
1582 ext_speed |= ETH_EXT_SPEED_40G;
1583 if (val & QED_EXT_SPEED_50G_R)
1584 ext_speed |= ETH_EXT_SPEED_50G_BASE_R;
1585 if (val & QED_EXT_SPEED_50G_R2)
1586 ext_speed |= ETH_EXT_SPEED_50G_BASE_R2;
1587 if (val & QED_EXT_SPEED_100G_R2)
1588 ext_speed |= ETH_EXT_SPEED_100G_BASE_R2;
1589 if (val & QED_EXT_SPEED_100G_R4)
1590 ext_speed |= ETH_EXT_SPEED_100G_BASE_R4;
1591 if (val & QED_EXT_SPEED_100G_P4)
1592 ext_speed |= ETH_EXT_SPEED_100G_BASE_P4;
1593
1594 SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED,
1595 ext_speed);
1596
1597 ext_speed = 0;
1598
1599 val = params->ext_speed.advertised_speeds;
1600 if (val & QED_EXT_SPEED_MASK_1G)
1601 ext_speed |= ETH_EXT_ADV_SPEED_1G;
1602 if (val & QED_EXT_SPEED_MASK_10G)
1603 ext_speed |= ETH_EXT_ADV_SPEED_10G;
1604 if (val & QED_EXT_SPEED_MASK_25G)
1605 ext_speed |= ETH_EXT_ADV_SPEED_25G;
1606 if (val & QED_EXT_SPEED_MASK_40G)
1607 ext_speed |= ETH_EXT_ADV_SPEED_40G;
1608 if (val & QED_EXT_SPEED_MASK_50G_R)
1609 ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R;
1610 if (val & QED_EXT_SPEED_MASK_50G_R2)
1611 ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2;
1612 if (val & QED_EXT_SPEED_MASK_100G_R2)
1613 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2;
1614 if (val & QED_EXT_SPEED_MASK_100G_R4)
1615 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4;
1616 if (val & QED_EXT_SPEED_MASK_100G_P4)
1617 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4;
1618
1619 phy_cfg.extended_speed |= ext_speed;
1620
1621 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE,
1622 params->ext_fec_mode);
1623 }
1624
1625 p_hwfn->b_drv_link_init = b_up;
1626
1627 if (b_up) {
1628 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1629 "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n",
1630 phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed,
1631 phy_cfg.loopback_mode, phy_cfg.fec_mode,
1632 phy_cfg.extended_speed);
1633 } else {
1634 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n");
1635 }
1636
1637 memset(&mb_params, 0, sizeof(mb_params));
1638 mb_params.cmd = cmd;
1639 mb_params.p_data_src = &phy_cfg;
1640 mb_params.data_src_size = sizeof(phy_cfg);
1641 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1642
1643 /* if mcp fails to respond we must abort */
1644 if (rc) {
1645 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1646 return rc;
1647 }
1648
1649 /* Mimic link-change attention, done for several reasons:
1650 * - On reset, there's no guarantee MFW would trigger
1651 * an attention.
1652 * - On initialization, older MFWs might not indicate link change
1653 * during LFA, so we'll never get an UP indication.
1654 */
1655 qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1656
1657 return 0;
1658}
1659
1660u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1661 struct qed_ptt *p_ptt)
1662{
1663 u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1664
1665 if (IS_VF(p_hwfn->cdev))
1666 return -EINVAL;
1667
1668 path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1669 PUBLIC_PATH);
1670 path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1671 path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1672
1673 proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1674 path_addr +
1675 offsetof(struct public_path, process_kill)) &
1676 PROCESS_KILL_COUNTER_MASK;
1677
1678 return proc_kill_cnt;
1679}
1680
1681static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1682 struct qed_ptt *p_ptt)
1683{
1684 struct qed_dev *cdev = p_hwfn->cdev;
1685 u32 proc_kill_cnt;
1686
1687 /* Prevent possible attentions/interrupts during the recovery handling
1688 * and till its load phase, during which they will be re-enabled.
1689 */
1690 qed_int_igu_disable_int(p_hwfn, p_ptt);
1691
1692 DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1693
1694 /* The following operations should be done once, and thus in CMT mode
1695 * are carried out by only the first HW function.
1696 */
1697 if (p_hwfn != QED_LEADING_HWFN(cdev))
1698 return;
1699
1700 if (cdev->recov_in_prog) {
1701 DP_NOTICE(p_hwfn,
1702 "Ignoring the indication since a recovery process is already in progress\n");
1703 return;
1704 }
1705
1706 cdev->recov_in_prog = true;
1707
1708 proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1709 DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1710
1711 qed_schedule_recovery_handler(p_hwfn);
1712}
1713
1714static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1715 struct qed_ptt *p_ptt,
1716 enum MFW_DRV_MSG_TYPE type)
1717{
1718 enum qed_mcp_protocol_type stats_type;
1719 union qed_mcp_protocol_stats stats;
1720 struct qed_mcp_mb_params mb_params;
1721 u32 hsi_param;
1722
1723 switch (type) {
1724 case MFW_DRV_MSG_GET_LAN_STATS:
1725 stats_type = QED_MCP_LAN_STATS;
1726 hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1727 break;
1728 case MFW_DRV_MSG_GET_FCOE_STATS:
1729 stats_type = QED_MCP_FCOE_STATS;
1730 hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1731 break;
1732 case MFW_DRV_MSG_GET_ISCSI_STATS:
1733 stats_type = QED_MCP_ISCSI_STATS;
1734 hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1735 break;
1736 case MFW_DRV_MSG_GET_RDMA_STATS:
1737 stats_type = QED_MCP_RDMA_STATS;
1738 hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1739 break;
1740 default:
1741 DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1742 return;
1743 }
1744
1745 qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1746
1747 memset(&mb_params, 0, sizeof(mb_params));
1748 mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1749 mb_params.param = hsi_param;
1750 mb_params.p_data_src = &stats;
1751 mb_params.data_src_size = sizeof(stats);
1752 qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1753}
1754
1755static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1756{
1757 struct qed_mcp_function_info *p_info;
1758 struct public_func shmem_info;
1759 u32 resp = 0, param = 0;
1760
1761 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1762
1763 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1764
1765 p_info = &p_hwfn->mcp_info->func_info;
1766
1767 qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1768 qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1769
1770 /* Acknowledge the MFW */
1771 qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1772 ¶m);
1773}
1774
1775static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1776{
1777 struct public_func shmem_info;
1778 u32 resp = 0, param = 0;
1779
1780 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1781
1782 p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1783 FUNC_MF_CFG_OV_STAG_MASK;
1784 p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1785 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1786 if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1787 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1788 p_hwfn->hw_info.ovlan);
1789 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1790
1791 /* Configure DB to add external vlan to EDPM packets */
1792 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1793 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1794 p_hwfn->hw_info.ovlan);
1795 } else {
1796 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1797 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1798 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1799 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1800 }
1801
1802 qed_sp_pf_update_stag(p_hwfn);
1803 }
1804
1805 DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1806 p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1807
1808 /* Acknowledge the MFW */
1809 qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1810 &resp, ¶m);
1811}
1812
1813static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
1814 struct qed_ptt *p_ptt)
1815{
1816 /* A single notification should be sent to upper driver in CMT mode */
1817 if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1818 return;
1819
1820 qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
1821 "Fan failure was detected on the network interface card and it's going to be shut down.\n");
1822}
1823
1824struct qed_mdump_cmd_params {
1825 u32 cmd;
1826 void *p_data_src;
1827 u8 data_src_size;
1828 void *p_data_dst;
1829 u8 data_dst_size;
1830 u32 mcp_resp;
1831};
1832
1833static int
1834qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
1835 struct qed_ptt *p_ptt,
1836 struct qed_mdump_cmd_params *p_mdump_cmd_params)
1837{
1838 struct qed_mcp_mb_params mb_params;
1839 int rc;
1840
1841 memset(&mb_params, 0, sizeof(mb_params));
1842 mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
1843 mb_params.param = p_mdump_cmd_params->cmd;
1844 mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
1845 mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
1846 mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
1847 mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
1848 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1849 if (rc)
1850 return rc;
1851
1852 p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
1853
1854 if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
1855 DP_INFO(p_hwfn,
1856 "The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
1857 p_mdump_cmd_params->cmd);
1858 rc = -EOPNOTSUPP;
1859 } else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
1860 DP_INFO(p_hwfn,
1861 "The mdump command is not supported by the MFW\n");
1862 rc = -EOPNOTSUPP;
1863 }
1864
1865 return rc;
1866}
1867
1868static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1869{
1870 struct qed_mdump_cmd_params mdump_cmd_params;
1871
1872 memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1873 mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
1874
1875 return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1876}
1877
1878int
1879qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1880 struct qed_ptt *p_ptt,
1881 struct mdump_retain_data_stc *p_mdump_retain)
1882{
1883 struct qed_mdump_cmd_params mdump_cmd_params;
1884 int rc;
1885
1886 memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1887 mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
1888 mdump_cmd_params.p_data_dst = p_mdump_retain;
1889 mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
1890
1891 rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1892 if (rc)
1893 return rc;
1894
1895 if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
1896 DP_INFO(p_hwfn,
1897 "Failed to get the mdump retained data [mcp_resp 0x%x]\n",
1898 mdump_cmd_params.mcp_resp);
1899 return -EINVAL;
1900 }
1901
1902 return 0;
1903}
1904
1905static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
1906 struct qed_ptt *p_ptt)
1907{
1908 struct mdump_retain_data_stc mdump_retain;
1909 int rc;
1910
1911 /* In CMT mode - no need for more than a single acknowledgment to the
1912 * MFW, and no more than a single notification to the upper driver.
1913 */
1914 if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1915 return;
1916
1917 rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
1918 if (rc == 0 && mdump_retain.valid)
1919 DP_NOTICE(p_hwfn,
1920 "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
1921 mdump_retain.epoch,
1922 mdump_retain.pf, mdump_retain.status);
1923 else
1924 DP_NOTICE(p_hwfn,
1925 "The MFW notified that a critical error occurred in the device\n");
1926
1927 DP_NOTICE(p_hwfn,
1928 "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
1929 qed_mcp_mdump_ack(p_hwfn, p_ptt);
1930
1931 qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
1932}
1933
1934void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1935{
1936 struct public_func shmem_info;
1937 u32 port_cfg, val;
1938
1939 if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1940 return;
1941
1942 memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1943 port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1944 offsetof(struct public_port, oem_cfg_port));
1945 val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1946 OEM_CFG_CHANNEL_TYPE_OFFSET;
1947 if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1948 DP_NOTICE(p_hwfn,
1949 "Incorrect UFP Channel type %d port_id 0x%02x\n",
1950 val, MFW_PORT(p_hwfn));
1951
1952 val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1953 if (val == OEM_CFG_SCHED_TYPE_ETS) {
1954 p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1955 } else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1956 p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1957 } else {
1958 p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1959 DP_NOTICE(p_hwfn,
1960 "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1961 val, MFW_PORT(p_hwfn));
1962 }
1963
1964 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1965 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1966 OEM_CFG_FUNC_TC_OFFSET;
1967 p_hwfn->ufp_info.tc = (u8)val;
1968 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1969 OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1970 if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1971 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1972 } else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1973 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1974 } else {
1975 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1976 DP_NOTICE(p_hwfn,
1977 "Unknown Host priority control %d port_id 0x%02x\n",
1978 val, MFW_PORT(p_hwfn));
1979 }
1980
1981 DP_NOTICE(p_hwfn,
1982 "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1983 p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1984 p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1985}
1986
1987static int
1988qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1989{
1990 qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1991
1992 if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1993 p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
1994 qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
1995 p_hwfn->ufp_info.tc);
1996
1997 qed_qm_reconf(p_hwfn, p_ptt);
1998 } else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
1999 /* Merge UFP TC with the dcbx TC data */
2000 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2001 QED_DCBX_OPERATIONAL_MIB);
2002 } else {
2003 DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
2004 return -EINVAL;
2005 }
2006
2007 /* update storm FW with negotiation results */
2008 qed_sp_pf_update_ufp(p_hwfn);
2009
2010 /* update stag pcp value */
2011 qed_sp_pf_update_stag(p_hwfn);
2012
2013 return 0;
2014}
2015
2016int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
2017 struct qed_ptt *p_ptt)
2018{
2019 struct qed_mcp_info *info = p_hwfn->mcp_info;
2020 int rc = 0;
2021 bool found = false;
2022 u16 i;
2023
2024 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
2025
2026 /* Read Messages from MFW */
2027 qed_mcp_read_mb(p_hwfn, p_ptt);
2028
2029 /* Compare current messages to old ones */
2030 for (i = 0; i < info->mfw_mb_length; i++) {
2031 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
2032 continue;
2033
2034 found = true;
2035
2036 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
2037 "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
2038 i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
2039
2040 spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
2041 if (test_bit(QED_MCP_BYPASS_PROC_BIT,
2042 &p_hwfn->mcp_info->mcp_handling_status)) {
2043 spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2044 DP_INFO(p_hwfn,
2045 "Msg [%d] is bypassed on unload flow\n", i);
2046 continue;
2047 }
2048
2049 set_bit(QED_MCP_IN_PROCESSING_BIT,
2050 &p_hwfn->mcp_info->mcp_handling_status);
2051 spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2052
2053 switch (i) {
2054 case MFW_DRV_MSG_LINK_CHANGE:
2055 qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
2056 break;
2057 case MFW_DRV_MSG_VF_DISABLED:
2058 qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
2059 break;
2060 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
2061 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2062 QED_DCBX_REMOTE_LLDP_MIB);
2063 break;
2064 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
2065 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2066 QED_DCBX_REMOTE_MIB);
2067 break;
2068 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
2069 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2070 QED_DCBX_OPERATIONAL_MIB);
2071 break;
2072 case MFW_DRV_MSG_OEM_CFG_UPDATE:
2073 qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
2074 break;
2075 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
2076 qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
2077 break;
2078 case MFW_DRV_MSG_ERROR_RECOVERY:
2079 qed_mcp_handle_process_kill(p_hwfn, p_ptt);
2080 break;
2081 case MFW_DRV_MSG_GET_LAN_STATS:
2082 case MFW_DRV_MSG_GET_FCOE_STATS:
2083 case MFW_DRV_MSG_GET_ISCSI_STATS:
2084 case MFW_DRV_MSG_GET_RDMA_STATS:
2085 qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
2086 break;
2087 case MFW_DRV_MSG_BW_UPDATE:
2088 qed_mcp_update_bw(p_hwfn, p_ptt);
2089 break;
2090 case MFW_DRV_MSG_S_TAG_UPDATE:
2091 qed_mcp_update_stag(p_hwfn, p_ptt);
2092 break;
2093 case MFW_DRV_MSG_FAILURE_DETECTED:
2094 qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
2095 break;
2096 case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
2097 qed_mcp_handle_critical_error(p_hwfn, p_ptt);
2098 break;
2099 case MFW_DRV_MSG_GET_TLV_REQ:
2100 qed_mfw_tlv_req(p_hwfn);
2101 break;
2102 default:
2103 DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
2104 rc = -EINVAL;
2105 }
2106
2107 clear_bit(QED_MCP_IN_PROCESSING_BIT,
2108 &p_hwfn->mcp_info->mcp_handling_status);
2109 }
2110
2111 /* ACK everything */
2112 for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
2113 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
2114
2115 /* MFW expect answer in BE, so we force write in that format */
2116 qed_wr(p_hwfn, p_ptt,
2117 info->mfw_mb_addr + sizeof(u32) +
2118 MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
2119 sizeof(u32) + i * sizeof(u32),
2120 (__force u32)val);
2121 }
2122
2123 if (!found) {
2124 DP_NOTICE(p_hwfn,
2125 "Received an MFW message indication but no new message!\n");
2126 rc = -EINVAL;
2127 }
2128
2129 /* Copy the new mfw messages into the shadow */
2130 memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
2131
2132 return rc;
2133}
2134
2135int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
2136 struct qed_ptt *p_ptt,
2137 u32 *p_mfw_ver, u32 *p_running_bundle_id)
2138{
2139 u32 global_offsize, public_base;
2140
2141 if (IS_VF(p_hwfn->cdev)) {
2142 if (p_hwfn->vf_iov_info) {
2143 struct pfvf_acquire_resp_tlv *p_resp;
2144
2145 p_resp = &p_hwfn->vf_iov_info->acquire_resp;
2146 *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
2147 return 0;
2148 } else {
2149 DP_VERBOSE(p_hwfn,
2150 QED_MSG_IOV,
2151 "VF requested MFW version prior to ACQUIRE\n");
2152 return -EINVAL;
2153 }
2154 }
2155
2156 public_base = p_hwfn->mcp_info->public_base;
2157 global_offsize = qed_rd(p_hwfn, p_ptt,
2158 SECTION_OFFSIZE_ADDR(public_base,
2159 PUBLIC_GLOBAL));
2160 *p_mfw_ver =
2161 qed_rd(p_hwfn, p_ptt,
2162 SECTION_ADDR(global_offsize,
2163 0) + offsetof(struct public_global, mfw_ver));
2164
2165 if (p_running_bundle_id) {
2166 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
2167 SECTION_ADDR(global_offsize, 0) +
2168 offsetof(struct public_global,
2169 running_bundle_id));
2170 }
2171
2172 return 0;
2173}
2174
2175int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
2176 struct qed_ptt *p_ptt, u32 *p_mbi_ver)
2177{
2178 u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
2179
2180 if (IS_VF(p_hwfn->cdev))
2181 return -EINVAL;
2182
2183 /* Read the address of the nvm_cfg */
2184 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2185 if (!nvm_cfg_addr) {
2186 DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2187 return -EINVAL;
2188 }
2189
2190 /* Read the offset of nvm_cfg1 */
2191 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2192
2193 mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2194 offsetof(struct nvm_cfg1, glob) +
2195 offsetof(struct nvm_cfg1_glob, mbi_version);
2196 *p_mbi_ver = qed_rd(p_hwfn, p_ptt,
2197 mbi_ver_addr) &
2198 (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
2199 NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
2200 NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
2201
2202 return 0;
2203}
2204
2205int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
2206 struct qed_ptt *p_ptt, u32 *p_media_type)
2207{
2208 *p_media_type = MEDIA_UNSPECIFIED;
2209
2210 if (IS_VF(p_hwfn->cdev))
2211 return -EINVAL;
2212
2213 if (!qed_mcp_is_init(p_hwfn)) {
2214 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2215 return -EBUSY;
2216 }
2217
2218 if (!p_ptt) {
2219 *p_media_type = MEDIA_UNSPECIFIED;
2220 return -EINVAL;
2221 }
2222
2223 *p_media_type = qed_rd(p_hwfn, p_ptt,
2224 p_hwfn->mcp_info->port_addr +
2225 offsetof(struct public_port,
2226 media_type));
2227
2228 return 0;
2229}
2230
2231int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
2232 struct qed_ptt *p_ptt,
2233 u32 *p_transceiver_state,
2234 u32 *p_transceiver_type)
2235{
2236 u32 transceiver_info;
2237
2238 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
2239 *p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
2240
2241 if (IS_VF(p_hwfn->cdev))
2242 return -EINVAL;
2243
2244 if (!qed_mcp_is_init(p_hwfn)) {
2245 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2246 return -EBUSY;
2247 }
2248
2249 transceiver_info = qed_rd(p_hwfn, p_ptt,
2250 p_hwfn->mcp_info->port_addr +
2251 offsetof(struct public_port,
2252 transceiver_data));
2253
2254 *p_transceiver_state = (transceiver_info &
2255 ETH_TRANSCEIVER_STATE_MASK) >>
2256 ETH_TRANSCEIVER_STATE_OFFSET;
2257
2258 if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2259 *p_transceiver_type = (transceiver_info &
2260 ETH_TRANSCEIVER_TYPE_MASK) >>
2261 ETH_TRANSCEIVER_TYPE_OFFSET;
2262 else
2263 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2264
2265 return 0;
2266}
2267
2268static bool qed_is_transceiver_ready(u32 transceiver_state,
2269 u32 transceiver_type)
2270{
2271 if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2272 ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2273 (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2274 return true;
2275
2276 return false;
2277}
2278
2279int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2280 struct qed_ptt *p_ptt, u32 *p_speed_mask)
2281{
2282 u32 transceiver_type, transceiver_state;
2283 int ret;
2284
2285 ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2286 &transceiver_type);
2287 if (ret)
2288 return ret;
2289
2290 if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2291 false)
2292 return -EINVAL;
2293
2294 switch (transceiver_type) {
2295 case ETH_TRANSCEIVER_TYPE_1G_LX:
2296 case ETH_TRANSCEIVER_TYPE_1G_SX:
2297 case ETH_TRANSCEIVER_TYPE_1G_PCC:
2298 case ETH_TRANSCEIVER_TYPE_1G_ACC:
2299 case ETH_TRANSCEIVER_TYPE_1000BASET:
2300 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2301 break;
2302 case ETH_TRANSCEIVER_TYPE_10G_SR:
2303 case ETH_TRANSCEIVER_TYPE_10G_LR:
2304 case ETH_TRANSCEIVER_TYPE_10G_LRM:
2305 case ETH_TRANSCEIVER_TYPE_10G_ER:
2306 case ETH_TRANSCEIVER_TYPE_10G_PCC:
2307 case ETH_TRANSCEIVER_TYPE_10G_ACC:
2308 case ETH_TRANSCEIVER_TYPE_4x10G:
2309 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2310 break;
2311 case ETH_TRANSCEIVER_TYPE_40G_LR4:
2312 case ETH_TRANSCEIVER_TYPE_40G_SR4:
2313 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2314 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2315 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2316 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2317 break;
2318 case ETH_TRANSCEIVER_TYPE_100G_AOC:
2319 case ETH_TRANSCEIVER_TYPE_100G_SR4:
2320 case ETH_TRANSCEIVER_TYPE_100G_LR4:
2321 case ETH_TRANSCEIVER_TYPE_100G_ER4:
2322 case ETH_TRANSCEIVER_TYPE_100G_ACC:
2323 *p_speed_mask =
2324 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2325 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2326 break;
2327 case ETH_TRANSCEIVER_TYPE_25G_SR:
2328 case ETH_TRANSCEIVER_TYPE_25G_LR:
2329 case ETH_TRANSCEIVER_TYPE_25G_AOC:
2330 case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2331 case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2332 case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2333 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2334 break;
2335 case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2336 case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2337 case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2338 case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2339 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2340 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2341 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2342 break;
2343 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2344 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
2345 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2346 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2347 break;
2348 case ETH_TRANSCEIVER_TYPE_40G_CR4:
2349 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2350 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2351 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2352 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2353 break;
2354 case ETH_TRANSCEIVER_TYPE_100G_CR4:
2355 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2356 *p_speed_mask =
2357 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2358 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2359 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2360 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2361 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2362 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2363 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2364 break;
2365 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2366 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2367 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2368 *p_speed_mask =
2369 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2370 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2371 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2372 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2373 break;
2374 case ETH_TRANSCEIVER_TYPE_XLPPI:
2375 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2376 break;
2377 case ETH_TRANSCEIVER_TYPE_10G_BASET:
2378 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
2379 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
2380 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2381 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2382 break;
2383 default:
2384 DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2385 transceiver_type);
2386 *p_speed_mask = 0xff;
2387 break;
2388 }
2389
2390 return 0;
2391}
2392
2393int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2394 struct qed_ptt *p_ptt, u32 *p_board_config)
2395{
2396 u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2397
2398 if (IS_VF(p_hwfn->cdev))
2399 return -EINVAL;
2400
2401 if (!qed_mcp_is_init(p_hwfn)) {
2402 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2403 return -EBUSY;
2404 }
2405 if (!p_ptt) {
2406 *p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2407 return -EINVAL;
2408 }
2409
2410 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2411 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2412 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2413 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2414 *p_board_config = qed_rd(p_hwfn, p_ptt,
2415 port_cfg_addr +
2416 offsetof(struct nvm_cfg1_port,
2417 board_cfg));
2418
2419 return 0;
2420}
2421
2422/* Old MFW has a global configuration for all PFs regarding RDMA support */
2423static void
2424qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2425 enum qed_pci_personality *p_proto)
2426{
2427 /* There wasn't ever a legacy MFW that published iwarp.
2428 * So at this point, this is either plain l2 or RoCE.
2429 */
2430 if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2431 *p_proto = QED_PCI_ETH_ROCE;
2432 else
2433 *p_proto = QED_PCI_ETH;
2434
2435 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2436 "According to Legacy capabilities, L2 personality is %08x\n",
2437 (u32)*p_proto);
2438}
2439
2440static int
2441qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2442 struct qed_ptt *p_ptt,
2443 enum qed_pci_personality *p_proto)
2444{
2445 u32 resp = 0, param = 0;
2446 int rc;
2447
2448 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2449 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, ¶m);
2450 if (rc)
2451 return rc;
2452 if (resp != FW_MSG_CODE_OK) {
2453 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2454 "MFW lacks support for command; Returns %08x\n",
2455 resp);
2456 return -EINVAL;
2457 }
2458
2459 switch (param) {
2460 case FW_MB_PARAM_GET_PF_RDMA_NONE:
2461 *p_proto = QED_PCI_ETH;
2462 break;
2463 case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2464 *p_proto = QED_PCI_ETH_ROCE;
2465 break;
2466 case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2467 *p_proto = QED_PCI_ETH_IWARP;
2468 break;
2469 case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2470 *p_proto = QED_PCI_ETH_RDMA;
2471 break;
2472 default:
2473 DP_NOTICE(p_hwfn,
2474 "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2475 param);
2476 return -EINVAL;
2477 }
2478
2479 DP_VERBOSE(p_hwfn,
2480 NETIF_MSG_IFUP,
2481 "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2482 (u32)*p_proto, resp, param);
2483 return 0;
2484}
2485
2486static int
2487qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2488 struct public_func *p_info,
2489 struct qed_ptt *p_ptt,
2490 enum qed_pci_personality *p_proto)
2491{
2492 int rc = 0;
2493
2494 switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2495 case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2496 if (!IS_ENABLED(CONFIG_QED_RDMA))
2497 *p_proto = QED_PCI_ETH;
2498 else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2499 qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2500 break;
2501 case FUNC_MF_CFG_PROTOCOL_ISCSI:
2502 *p_proto = QED_PCI_ISCSI;
2503 break;
2504 case FUNC_MF_CFG_PROTOCOL_FCOE:
2505 *p_proto = QED_PCI_FCOE;
2506 break;
2507 case FUNC_MF_CFG_PROTOCOL_ROCE:
2508 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2509 fallthrough;
2510 default:
2511 rc = -EINVAL;
2512 }
2513
2514 return rc;
2515}
2516
2517int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2518 struct qed_ptt *p_ptt)
2519{
2520 struct qed_mcp_function_info *info;
2521 struct public_func shmem_info;
2522
2523 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2524 info = &p_hwfn->mcp_info->func_info;
2525
2526 info->pause_on_host = (shmem_info.config &
2527 FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2528
2529 if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2530 &info->protocol)) {
2531 DP_ERR(p_hwfn, "Unknown personality %08x\n",
2532 (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2533 return -EINVAL;
2534 }
2535
2536 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2537
2538 if (shmem_info.mac_upper || shmem_info.mac_lower) {
2539 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2540 info->mac[1] = (u8)(shmem_info.mac_upper);
2541 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2542 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2543 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2544 info->mac[5] = (u8)(shmem_info.mac_lower);
2545
2546 /* Store primary MAC for later possible WoL */
2547 memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2548 } else {
2549 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2550 }
2551
2552 info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2553 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2554 info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2555 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2556
2557 info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2558
2559 info->mtu = (u16)shmem_info.mtu_size;
2560
2561 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2562 p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2563 if (qed_mcp_is_init(p_hwfn)) {
2564 u32 resp = 0, param = 0;
2565 int rc;
2566
2567 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2568 DRV_MSG_CODE_OS_WOL, 0, &resp, ¶m);
2569 if (rc)
2570 return rc;
2571 if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2572 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2573 }
2574
2575 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2576 "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn port %llx node %llx ovlan %04x wol %02x\n",
2577 info->pause_on_host, info->protocol,
2578 info->bandwidth_min, info->bandwidth_max,
2579 info->mac,
2580 info->wwn_port, info->wwn_node,
2581 info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2582
2583 return 0;
2584}
2585
2586struct qed_mcp_link_params
2587*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2588{
2589 if (!p_hwfn || !p_hwfn->mcp_info)
2590 return NULL;
2591 return &p_hwfn->mcp_info->link_input;
2592}
2593
2594struct qed_mcp_link_state
2595*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2596{
2597 if (!p_hwfn || !p_hwfn->mcp_info)
2598 return NULL;
2599 return &p_hwfn->mcp_info->link_output;
2600}
2601
2602struct qed_mcp_link_capabilities
2603*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2604{
2605 if (!p_hwfn || !p_hwfn->mcp_info)
2606 return NULL;
2607 return &p_hwfn->mcp_info->link_capabilities;
2608}
2609
2610int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2611{
2612 u32 resp = 0, param = 0;
2613 int rc;
2614
2615 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2616 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m);
2617
2618 /* Wait for the drain to complete before returning */
2619 msleep(1020);
2620
2621 return rc;
2622}
2623
2624int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2625 struct qed_ptt *p_ptt, u32 *p_flash_size)
2626{
2627 u32 flash_size;
2628
2629 if (IS_VF(p_hwfn->cdev))
2630 return -EINVAL;
2631
2632 flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2633 flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2634 MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2635 flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2636
2637 *p_flash_size = flash_size;
2638
2639 return 0;
2640}
2641
2642int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2643{
2644 struct qed_dev *cdev = p_hwfn->cdev;
2645
2646 if (cdev->recov_in_prog) {
2647 DP_NOTICE(p_hwfn,
2648 "Avoid triggering a recovery since such a process is already in progress\n");
2649 return -EAGAIN;
2650 }
2651
2652 DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2653 qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2654
2655 return 0;
2656}
2657
2658#define QED_RECOVERY_PROLOG_SLEEP_MS 100
2659
2660int qed_recovery_prolog(struct qed_dev *cdev)
2661{
2662 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2663 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2664 int rc;
2665
2666 /* Allow ongoing PCIe transactions to complete */
2667 msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2668
2669 /* Clear the PF's internal FID_enable in the PXP */
2670 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2671 if (rc)
2672 DP_NOTICE(p_hwfn,
2673 "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2674 rc);
2675
2676 return rc;
2677}
2678
2679static int
2680qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2681 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2682{
2683 u32 resp = 0, param = 0, rc_param = 0;
2684 int rc;
2685
2686 /* Only Leader can configure MSIX, and need to take CMT into account */
2687 if (!IS_LEAD_HWFN(p_hwfn))
2688 return 0;
2689 num *= p_hwfn->cdev->num_hwfns;
2690
2691 param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2692 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2693 param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2694 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2695
2696 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2697 &resp, &rc_param);
2698
2699 if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2700 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2701 rc = -EINVAL;
2702 } else {
2703 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2704 "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2705 num, vf_id);
2706 }
2707
2708 return rc;
2709}
2710
2711static int
2712qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2713 struct qed_ptt *p_ptt, u8 num)
2714{
2715 u32 resp = 0, param = num, rc_param = 0;
2716 int rc;
2717
2718 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2719 param, &resp, &rc_param);
2720
2721 if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2722 DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2723 rc = -EINVAL;
2724 } else {
2725 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2726 "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2727 }
2728
2729 return rc;
2730}
2731
2732int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2733 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2734{
2735 if (QED_IS_BB(p_hwfn->cdev))
2736 return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2737 else
2738 return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2739}
2740
2741int
2742qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2743 struct qed_ptt *p_ptt,
2744 struct qed_mcp_drv_version *p_ver)
2745{
2746 struct qed_mcp_mb_params mb_params;
2747 struct drv_version_stc drv_version;
2748 __be32 val;
2749 u32 i;
2750 int rc;
2751
2752 memset(&drv_version, 0, sizeof(drv_version));
2753 drv_version.version = p_ver->version;
2754 for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2755 val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2756 *(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2757 }
2758
2759 memset(&mb_params, 0, sizeof(mb_params));
2760 mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2761 mb_params.p_data_src = &drv_version;
2762 mb_params.data_src_size = sizeof(drv_version);
2763 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2764 if (rc)
2765 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2766
2767 return rc;
2768}
2769
2770/* A maximal 100 msec waiting time for the MCP to halt */
2771#define QED_MCP_HALT_SLEEP_MS 10
2772#define QED_MCP_HALT_MAX_RETRIES 10
2773
2774int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2775{
2776 u32 resp = 0, param = 0, cpu_state, cnt = 0;
2777 int rc;
2778
2779 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2780 ¶m);
2781 if (rc) {
2782 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2783 return rc;
2784 }
2785
2786 do {
2787 msleep(QED_MCP_HALT_SLEEP_MS);
2788 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2789 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2790 break;
2791 } while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2792
2793 if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2794 DP_NOTICE(p_hwfn,
2795 "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2796 qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2797 return -EBUSY;
2798 }
2799
2800 qed_mcp_cmd_set_blocking(p_hwfn, true);
2801
2802 return 0;
2803}
2804
2805#define QED_MCP_RESUME_SLEEP_MS 10
2806
2807int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2808{
2809 u32 cpu_mode, cpu_state;
2810
2811 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2812
2813 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2814 cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2815 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2816 msleep(QED_MCP_RESUME_SLEEP_MS);
2817 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2818
2819 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2820 DP_NOTICE(p_hwfn,
2821 "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2822 cpu_mode, cpu_state);
2823 return -EBUSY;
2824 }
2825
2826 qed_mcp_cmd_set_blocking(p_hwfn, false);
2827
2828 return 0;
2829}
2830
2831int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2832 struct qed_ptt *p_ptt,
2833 enum qed_ov_client client)
2834{
2835 u32 resp = 0, param = 0;
2836 u32 drv_mb_param;
2837 int rc;
2838
2839 switch (client) {
2840 case QED_OV_CLIENT_DRV:
2841 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2842 break;
2843 case QED_OV_CLIENT_USER:
2844 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2845 break;
2846 case QED_OV_CLIENT_VENDOR_SPEC:
2847 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2848 break;
2849 default:
2850 DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2851 return -EINVAL;
2852 }
2853
2854 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2855 drv_mb_param, &resp, ¶m);
2856 if (rc)
2857 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2858
2859 return rc;
2860}
2861
2862int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2863 struct qed_ptt *p_ptt,
2864 enum qed_ov_driver_state drv_state)
2865{
2866 u32 resp = 0, param = 0;
2867 u32 drv_mb_param;
2868 int rc;
2869
2870 switch (drv_state) {
2871 case QED_OV_DRIVER_STATE_NOT_LOADED:
2872 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2873 break;
2874 case QED_OV_DRIVER_STATE_DISABLED:
2875 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2876 break;
2877 case QED_OV_DRIVER_STATE_ACTIVE:
2878 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2879 break;
2880 default:
2881 DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2882 return -EINVAL;
2883 }
2884
2885 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2886 drv_mb_param, &resp, ¶m);
2887 if (rc)
2888 DP_ERR(p_hwfn, "Failed to send driver state\n");
2889
2890 return rc;
2891}
2892
2893int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2894 struct qed_ptt *p_ptt, u16 mtu)
2895{
2896 u32 resp = 0, param = 0;
2897 u32 drv_mb_param;
2898 int rc;
2899
2900 drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2901 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2902 drv_mb_param, &resp, ¶m);
2903 if (rc)
2904 DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2905
2906 return rc;
2907}
2908
2909int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2910 struct qed_ptt *p_ptt, const u8 *mac)
2911{
2912 struct qed_mcp_mb_params mb_params;
2913 u32 mfw_mac[2];
2914 int rc;
2915
2916 memset(&mb_params, 0, sizeof(mb_params));
2917 mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2918 mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2919 DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2920 mb_params.param |= MCP_PF_ID(p_hwfn);
2921
2922 /* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2923 * in 32-bit granularity.
2924 * So the MAC has to be set in native order [and not byte order],
2925 * otherwise it would be read incorrectly by MFW after swap.
2926 */
2927 mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2928 mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2929
2930 mb_params.p_data_src = (u8 *)mfw_mac;
2931 mb_params.data_src_size = 8;
2932 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2933 if (rc)
2934 DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2935
2936 /* Store primary MAC for later possible WoL */
2937 memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2938
2939 return rc;
2940}
2941
2942int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2943 struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2944{
2945 u32 resp = 0, param = 0;
2946 u32 drv_mb_param;
2947 int rc;
2948
2949 if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2950 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2951 "Can't change WoL configuration when WoL isn't supported\n");
2952 return -EINVAL;
2953 }
2954
2955 switch (wol) {
2956 case QED_OV_WOL_DEFAULT:
2957 drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2958 break;
2959 case QED_OV_WOL_DISABLED:
2960 drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2961 break;
2962 case QED_OV_WOL_ENABLED:
2963 drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2964 break;
2965 default:
2966 DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2967 return -EINVAL;
2968 }
2969
2970 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2971 drv_mb_param, &resp, ¶m);
2972 if (rc)
2973 DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2974
2975 /* Store the WoL update for a future unload */
2976 p_hwfn->cdev->wol_config = (u8)wol;
2977
2978 return rc;
2979}
2980
2981int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2982 struct qed_ptt *p_ptt,
2983 enum qed_ov_eswitch eswitch)
2984{
2985 u32 resp = 0, param = 0;
2986 u32 drv_mb_param;
2987 int rc;
2988
2989 switch (eswitch) {
2990 case QED_OV_ESWITCH_NONE:
2991 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2992 break;
2993 case QED_OV_ESWITCH_VEB:
2994 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
2995 break;
2996 case QED_OV_ESWITCH_VEPA:
2997 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
2998 break;
2999 default:
3000 DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
3001 return -EINVAL;
3002 }
3003
3004 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
3005 drv_mb_param, &resp, ¶m);
3006 if (rc)
3007 DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
3008
3009 return rc;
3010}
3011
3012int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
3013 struct qed_ptt *p_ptt, enum qed_led_mode mode)
3014{
3015 u32 resp = 0, param = 0, drv_mb_param;
3016 int rc;
3017
3018 switch (mode) {
3019 case QED_LED_MODE_ON:
3020 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
3021 break;
3022 case QED_LED_MODE_OFF:
3023 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
3024 break;
3025 case QED_LED_MODE_RESTORE:
3026 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
3027 break;
3028 default:
3029 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
3030 return -EINVAL;
3031 }
3032
3033 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
3034 drv_mb_param, &resp, ¶m);
3035
3036 return rc;
3037}
3038
3039int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
3040 struct qed_ptt *p_ptt, u32 mask_parities)
3041{
3042 u32 resp = 0, param = 0;
3043 int rc;
3044
3045 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
3046 mask_parities, &resp, ¶m);
3047
3048 if (rc) {
3049 DP_ERR(p_hwfn,
3050 "MCP response failure for mask parities, aborting\n");
3051 } else if (resp != FW_MSG_CODE_OK) {
3052 DP_ERR(p_hwfn,
3053 "MCP did not acknowledge mask parity request. Old MFW?\n");
3054 rc = -EINVAL;
3055 }
3056
3057 return rc;
3058}
3059
3060int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
3061{
3062 u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
3063 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3064 u32 resp = 0, resp_param = 0;
3065 struct qed_ptt *p_ptt;
3066 int rc = 0;
3067
3068 p_ptt = qed_ptt_acquire(p_hwfn);
3069 if (!p_ptt)
3070 return -EBUSY;
3071
3072 while (bytes_left > 0) {
3073 bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
3074
3075 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3076 DRV_MSG_CODE_NVM_READ_NVRAM,
3077 addr + offset +
3078 (bytes_to_copy <<
3079 DRV_MB_PARAM_NVM_LEN_OFFSET),
3080 &resp, &resp_param,
3081 &read_len,
3082 (u32 *)(p_buf + offset), true);
3083
3084 if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
3085 DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
3086 break;
3087 }
3088
3089 offset += read_len;
3090 bytes_left -= read_len;
3091 }
3092
3093 cdev->mcp_nvm_resp = resp;
3094 qed_ptt_release(p_hwfn, p_ptt);
3095
3096 return rc;
3097}
3098
3099int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
3100{
3101 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3102 struct qed_ptt *p_ptt;
3103
3104 p_ptt = qed_ptt_acquire(p_hwfn);
3105 if (!p_ptt)
3106 return -EBUSY;
3107
3108 memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
3109 qed_ptt_release(p_hwfn, p_ptt);
3110
3111 return 0;
3112}
3113
3114int qed_mcp_nvm_write(struct qed_dev *cdev,
3115 u32 cmd, u32 addr, u8 *p_buf, u32 len)
3116{
3117 u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
3118 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3119 struct qed_ptt *p_ptt;
3120 int rc = -EINVAL;
3121
3122 p_ptt = qed_ptt_acquire(p_hwfn);
3123 if (!p_ptt)
3124 return -EBUSY;
3125
3126 switch (cmd) {
3127 case QED_PUT_FILE_BEGIN:
3128 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
3129 break;
3130 case QED_PUT_FILE_DATA:
3131 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
3132 break;
3133 case QED_NVM_WRITE_NVRAM:
3134 nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
3135 break;
3136 default:
3137 DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
3138 rc = -EINVAL;
3139 goto out;
3140 }
3141
3142 buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
3143 while (buf_idx < len) {
3144 if (cmd == QED_PUT_FILE_BEGIN)
3145 nvm_offset = addr;
3146 else
3147 nvm_offset = ((buf_size <<
3148 DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
3149 buf_idx;
3150 rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
3151 &resp, ¶m, buf_size,
3152 (u32 *)&p_buf[buf_idx]);
3153 if (rc) {
3154 DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
3155 resp = FW_MSG_CODE_ERROR;
3156 break;
3157 }
3158
3159 if (resp != FW_MSG_CODE_OK &&
3160 resp != FW_MSG_CODE_NVM_OK &&
3161 resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
3162 DP_NOTICE(cdev,
3163 "nvm write failed, resp = 0x%08x\n", resp);
3164 rc = -EINVAL;
3165 break;
3166 }
3167
3168 /* This can be a lengthy process, and it's possible scheduler
3169 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
3170 */
3171 if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
3172 usleep_range(1000, 2000);
3173
3174 /* For MBI upgrade, MFW response includes the next buffer offset
3175 * to be delivered to MFW.
3176 */
3177 if (param && cmd == QED_PUT_FILE_DATA) {
3178 buf_idx =
3179 QED_MFW_GET_FIELD(param,
3180 FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
3181 buf_size =
3182 QED_MFW_GET_FIELD(param,
3183 FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
3184 } else {
3185 buf_idx += buf_size;
3186 buf_size = min_t(u32, (len - buf_idx),
3187 MCP_DRV_NVM_BUF_LEN);
3188 }
3189 }
3190
3191 cdev->mcp_nvm_resp = resp;
3192out:
3193 qed_ptt_release(p_hwfn, p_ptt);
3194
3195 return rc;
3196}
3197
3198int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3199 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
3200{
3201 u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
3202 u32 resp, param;
3203 int rc;
3204
3205 nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
3206 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
3207 nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
3208 DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
3209
3210 addr = offset;
3211 offset = 0;
3212 bytes_left = len;
3213 while (bytes_left > 0) {
3214 bytes_to_copy = min_t(u32, bytes_left,
3215 MAX_I2C_TRANSACTION_SIZE);
3216 nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
3217 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
3218 nvm_offset |= ((addr + offset) <<
3219 DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
3220 DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
3221 nvm_offset |= (bytes_to_copy <<
3222 DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
3223 DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
3224 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3225 DRV_MSG_CODE_TRANSCEIVER_READ,
3226 nvm_offset, &resp, ¶m, &buf_size,
3227 (u32 *)(p_buf + offset), true);
3228 if (rc) {
3229 DP_NOTICE(p_hwfn,
3230 "Failed to send a transceiver read command to the MFW. rc = %d.\n",
3231 rc);
3232 return rc;
3233 }
3234
3235 if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
3236 return -ENODEV;
3237 else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
3238 return -EINVAL;
3239
3240 offset += buf_size;
3241 bytes_left -= buf_size;
3242 }
3243
3244 return 0;
3245}
3246
3247int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3248{
3249 u32 drv_mb_param = 0, rsp, param;
3250 int rc = 0;
3251
3252 drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3253 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3254
3255 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3256 drv_mb_param, &rsp, ¶m);
3257
3258 if (rc)
3259 return rc;
3260
3261 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3262 (param != DRV_MB_PARAM_BIST_RC_PASSED))
3263 rc = -EAGAIN;
3264
3265 return rc;
3266}
3267
3268int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3269{
3270 u32 drv_mb_param, rsp, param;
3271 int rc = 0;
3272
3273 drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3274 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3275
3276 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3277 drv_mb_param, &rsp, ¶m);
3278
3279 if (rc)
3280 return rc;
3281
3282 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3283 (param != DRV_MB_PARAM_BIST_RC_PASSED))
3284 rc = -EAGAIN;
3285
3286 return rc;
3287}
3288
3289int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3290 struct qed_ptt *p_ptt,
3291 u32 *num_images)
3292{
3293 u32 drv_mb_param = 0, rsp;
3294 int rc = 0;
3295
3296 drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3297 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3298
3299 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3300 drv_mb_param, &rsp, num_images);
3301 if (rc)
3302 return rc;
3303
3304 if (((rsp & FW_MSG_CODE_MASK) == FW_MSG_CODE_UNSUPPORTED))
3305 rc = -EOPNOTSUPP;
3306 else if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3307 rc = -EINVAL;
3308
3309 return rc;
3310}
3311
3312int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3313 struct qed_ptt *p_ptt,
3314 struct bist_nvm_image_att *p_image_att,
3315 u32 image_index)
3316{
3317 u32 buf_size = 0, param, resp = 0, resp_param = 0;
3318 int rc;
3319
3320 param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3321 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3322 param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3323
3324 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3325 DRV_MSG_CODE_BIST_TEST, param,
3326 &resp, &resp_param,
3327 &buf_size,
3328 (u32 *)p_image_att, false);
3329 if (rc)
3330 return rc;
3331
3332 if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3333 (p_image_att->return_code != 1))
3334 rc = -EINVAL;
3335
3336 return rc;
3337}
3338
3339int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3340{
3341 struct qed_nvm_image_info nvm_info;
3342 struct qed_ptt *p_ptt;
3343 int rc;
3344 u32 i;
3345
3346 if (p_hwfn->nvm_info.valid)
3347 return 0;
3348
3349 p_ptt = qed_ptt_acquire(p_hwfn);
3350 if (!p_ptt) {
3351 DP_ERR(p_hwfn, "failed to acquire ptt\n");
3352 return -EBUSY;
3353 }
3354
3355 /* Acquire from MFW the amount of available images */
3356 nvm_info.num_images = 0;
3357 rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3358 p_ptt, &nvm_info.num_images);
3359 if (rc == -EOPNOTSUPP) {
3360 DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3361 nvm_info.num_images = 0;
3362 goto out;
3363 } else if (rc || !nvm_info.num_images) {
3364 DP_ERR(p_hwfn, "Failed getting number of images\n");
3365 goto err0;
3366 }
3367
3368 nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3369 sizeof(struct bist_nvm_image_att),
3370 GFP_KERNEL);
3371 if (!nvm_info.image_att) {
3372 rc = -ENOMEM;
3373 goto err0;
3374 }
3375
3376 /* Iterate over images and get their attributes */
3377 for (i = 0; i < nvm_info.num_images; i++) {
3378 rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3379 &nvm_info.image_att[i], i);
3380 if (rc) {
3381 DP_ERR(p_hwfn,
3382 "Failed getting image index %d attributes\n", i);
3383 goto err1;
3384 }
3385
3386 DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3387 nvm_info.image_att[i].len);
3388 }
3389out:
3390 /* Update hwfn's nvm_info */
3391 if (nvm_info.num_images) {
3392 p_hwfn->nvm_info.num_images = nvm_info.num_images;
3393 kfree(p_hwfn->nvm_info.image_att);
3394 p_hwfn->nvm_info.image_att = nvm_info.image_att;
3395 p_hwfn->nvm_info.valid = true;
3396 }
3397
3398 qed_ptt_release(p_hwfn, p_ptt);
3399 return 0;
3400
3401err1:
3402 kfree(nvm_info.image_att);
3403err0:
3404 qed_ptt_release(p_hwfn, p_ptt);
3405 return rc;
3406}
3407
3408void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
3409{
3410 kfree(p_hwfn->nvm_info.image_att);
3411 p_hwfn->nvm_info.image_att = NULL;
3412 p_hwfn->nvm_info.valid = false;
3413}
3414
3415int
3416qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3417 enum qed_nvm_images image_id,
3418 struct qed_nvm_image_att *p_image_att)
3419{
3420 enum nvm_image_type type;
3421 int rc;
3422 u32 i;
3423
3424 /* Translate image_id into MFW definitions */
3425 switch (image_id) {
3426 case QED_NVM_IMAGE_ISCSI_CFG:
3427 type = NVM_TYPE_ISCSI_CFG;
3428 break;
3429 case QED_NVM_IMAGE_FCOE_CFG:
3430 type = NVM_TYPE_FCOE_CFG;
3431 break;
3432 case QED_NVM_IMAGE_MDUMP:
3433 type = NVM_TYPE_MDUMP;
3434 break;
3435 case QED_NVM_IMAGE_NVM_CFG1:
3436 type = NVM_TYPE_NVM_CFG1;
3437 break;
3438 case QED_NVM_IMAGE_DEFAULT_CFG:
3439 type = NVM_TYPE_DEFAULT_CFG;
3440 break;
3441 case QED_NVM_IMAGE_NVM_META:
3442 type = NVM_TYPE_NVM_META;
3443 break;
3444 default:
3445 DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3446 image_id);
3447 return -EINVAL;
3448 }
3449
3450 rc = qed_mcp_nvm_info_populate(p_hwfn);
3451 if (rc)
3452 return rc;
3453
3454 for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3455 if (type == p_hwfn->nvm_info.image_att[i].image_type)
3456 break;
3457 if (i == p_hwfn->nvm_info.num_images) {
3458 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3459 "Failed to find nvram image of type %08x\n",
3460 image_id);
3461 return -ENOENT;
3462 }
3463
3464 p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3465 p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3466
3467 return 0;
3468}
3469
3470int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3471 enum qed_nvm_images image_id,
3472 u8 *p_buffer, u32 buffer_len)
3473{
3474 struct qed_nvm_image_att image_att;
3475 int rc;
3476
3477 memset(p_buffer, 0, buffer_len);
3478
3479 rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3480 if (rc)
3481 return rc;
3482
3483 /* Validate sizes - both the image's and the supplied buffer's */
3484 if (image_att.length <= 4) {
3485 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3486 "Image [%d] is too small - only %d bytes\n",
3487 image_id, image_att.length);
3488 return -EINVAL;
3489 }
3490
3491 if (image_att.length > buffer_len) {
3492 DP_VERBOSE(p_hwfn,
3493 QED_MSG_STORAGE,
3494 "Image [%d] is too big - %08x bytes where only %08x are available\n",
3495 image_id, image_att.length, buffer_len);
3496 return -ENOMEM;
3497 }
3498
3499 return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3500 p_buffer, image_att.length);
3501}
3502
3503static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3504{
3505 enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3506
3507 switch (res_id) {
3508 case QED_SB:
3509 mfw_res_id = RESOURCE_NUM_SB_E;
3510 break;
3511 case QED_L2_QUEUE:
3512 mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3513 break;
3514 case QED_VPORT:
3515 mfw_res_id = RESOURCE_NUM_VPORT_E;
3516 break;
3517 case QED_RSS_ENG:
3518 mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3519 break;
3520 case QED_PQ:
3521 mfw_res_id = RESOURCE_NUM_PQ_E;
3522 break;
3523 case QED_RL:
3524 mfw_res_id = RESOURCE_NUM_RL_E;
3525 break;
3526 case QED_MAC:
3527 case QED_VLAN:
3528 /* Each VFC resource can accommodate both a MAC and a VLAN */
3529 mfw_res_id = RESOURCE_VFC_FILTER_E;
3530 break;
3531 case QED_ILT:
3532 mfw_res_id = RESOURCE_ILT_E;
3533 break;
3534 case QED_LL2_RAM_QUEUE:
3535 mfw_res_id = RESOURCE_LL2_QUEUE_E;
3536 break;
3537 case QED_LL2_CTX_QUEUE:
3538 mfw_res_id = RESOURCE_LL2_CQS_E;
3539 break;
3540 case QED_RDMA_CNQ_RAM:
3541 case QED_CMDQS_CQS:
3542 /* CNQ/CMDQS are the same resource */
3543 mfw_res_id = RESOURCE_CQS_E;
3544 break;
3545 case QED_RDMA_STATS_QUEUE:
3546 mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3547 break;
3548 case QED_BDQ:
3549 mfw_res_id = RESOURCE_BDQ_E;
3550 break;
3551 default:
3552 break;
3553 }
3554
3555 return mfw_res_id;
3556}
3557
3558#define QED_RESC_ALLOC_VERSION_MAJOR 2
3559#define QED_RESC_ALLOC_VERSION_MINOR 0
3560#define QED_RESC_ALLOC_VERSION \
3561 ((QED_RESC_ALLOC_VERSION_MAJOR << \
3562 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3563 (QED_RESC_ALLOC_VERSION_MINOR << \
3564 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3565
3566struct qed_resc_alloc_in_params {
3567 u32 cmd;
3568 enum qed_resources res_id;
3569 u32 resc_max_val;
3570};
3571
3572struct qed_resc_alloc_out_params {
3573 u32 mcp_resp;
3574 u32 mcp_param;
3575 u32 resc_num;
3576 u32 resc_start;
3577 u32 vf_resc_num;
3578 u32 vf_resc_start;
3579 u32 flags;
3580};
3581
3582static int
3583qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3584 struct qed_ptt *p_ptt,
3585 struct qed_resc_alloc_in_params *p_in_params,
3586 struct qed_resc_alloc_out_params *p_out_params)
3587{
3588 struct qed_mcp_mb_params mb_params;
3589 struct resource_info mfw_resc_info;
3590 int rc;
3591
3592 memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3593
3594 mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3595 if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3596 DP_ERR(p_hwfn,
3597 "Failed to match resource %d [%s] with the MFW resources\n",
3598 p_in_params->res_id,
3599 qed_hw_get_resc_name(p_in_params->res_id));
3600 return -EINVAL;
3601 }
3602
3603 switch (p_in_params->cmd) {
3604 case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3605 mfw_resc_info.size = p_in_params->resc_max_val;
3606 fallthrough;
3607 case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3608 break;
3609 default:
3610 DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3611 p_in_params->cmd);
3612 return -EINVAL;
3613 }
3614
3615 memset(&mb_params, 0, sizeof(mb_params));
3616 mb_params.cmd = p_in_params->cmd;
3617 mb_params.param = QED_RESC_ALLOC_VERSION;
3618 mb_params.p_data_src = &mfw_resc_info;
3619 mb_params.data_src_size = sizeof(mfw_resc_info);
3620 mb_params.p_data_dst = mb_params.p_data_src;
3621 mb_params.data_dst_size = mb_params.data_src_size;
3622
3623 DP_VERBOSE(p_hwfn,
3624 QED_MSG_SP,
3625 "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3626 p_in_params->cmd,
3627 p_in_params->res_id,
3628 qed_hw_get_resc_name(p_in_params->res_id),
3629 QED_MFW_GET_FIELD(mb_params.param,
3630 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3631 QED_MFW_GET_FIELD(mb_params.param,
3632 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3633 p_in_params->resc_max_val);
3634
3635 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3636 if (rc)
3637 return rc;
3638
3639 p_out_params->mcp_resp = mb_params.mcp_resp;
3640 p_out_params->mcp_param = mb_params.mcp_param;
3641 p_out_params->resc_num = mfw_resc_info.size;
3642 p_out_params->resc_start = mfw_resc_info.offset;
3643 p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3644 p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3645 p_out_params->flags = mfw_resc_info.flags;
3646
3647 DP_VERBOSE(p_hwfn,
3648 QED_MSG_SP,
3649 "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",
3650 QED_MFW_GET_FIELD(p_out_params->mcp_param,
3651 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3652 QED_MFW_GET_FIELD(p_out_params->mcp_param,
3653 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3654 p_out_params->resc_num,
3655 p_out_params->resc_start,
3656 p_out_params->vf_resc_num,
3657 p_out_params->vf_resc_start, p_out_params->flags);
3658
3659 return 0;
3660}
3661
3662int
3663qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3664 struct qed_ptt *p_ptt,
3665 enum qed_resources res_id,
3666 u32 resc_max_val, u32 *p_mcp_resp)
3667{
3668 struct qed_resc_alloc_out_params out_params;
3669 struct qed_resc_alloc_in_params in_params;
3670 int rc;
3671
3672 memset(&in_params, 0, sizeof(in_params));
3673 in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3674 in_params.res_id = res_id;
3675 in_params.resc_max_val = resc_max_val;
3676 memset(&out_params, 0, sizeof(out_params));
3677 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3678 &out_params);
3679 if (rc)
3680 return rc;
3681
3682 *p_mcp_resp = out_params.mcp_resp;
3683
3684 return 0;
3685}
3686
3687int
3688qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3689 struct qed_ptt *p_ptt,
3690 enum qed_resources res_id,
3691 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3692{
3693 struct qed_resc_alloc_out_params out_params;
3694 struct qed_resc_alloc_in_params in_params;
3695 int rc;
3696
3697 memset(&in_params, 0, sizeof(in_params));
3698 in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3699 in_params.res_id = res_id;
3700 memset(&out_params, 0, sizeof(out_params));
3701 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3702 &out_params);
3703 if (rc)
3704 return rc;
3705
3706 *p_mcp_resp = out_params.mcp_resp;
3707
3708 if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3709 *p_resc_num = out_params.resc_num;
3710 *p_resc_start = out_params.resc_start;
3711 }
3712
3713 return 0;
3714}
3715
3716int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3717{
3718 u32 mcp_resp, mcp_param;
3719
3720 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3721 &mcp_resp, &mcp_param);
3722}
3723
3724static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3725 struct qed_ptt *p_ptt,
3726 u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3727{
3728 int rc;
3729
3730 rc = qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD,
3731 param, p_mcp_resp, p_mcp_param);
3732 if (rc)
3733 return rc;
3734
3735 if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3736 DP_INFO(p_hwfn,
3737 "The resource command is unsupported by the MFW\n");
3738 return -EINVAL;
3739 }
3740
3741 if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3742 u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3743
3744 DP_NOTICE(p_hwfn,
3745 "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3746 param, opcode);
3747 return -EINVAL;
3748 }
3749
3750 return rc;
3751}
3752
3753static int
3754__qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3755 struct qed_ptt *p_ptt,
3756 struct qed_resc_lock_params *p_params)
3757{
3758 u32 param = 0, mcp_resp, mcp_param;
3759 u8 opcode;
3760 int rc;
3761
3762 switch (p_params->timeout) {
3763 case QED_MCP_RESC_LOCK_TO_DEFAULT:
3764 opcode = RESOURCE_OPCODE_REQ;
3765 p_params->timeout = 0;
3766 break;
3767 case QED_MCP_RESC_LOCK_TO_NONE:
3768 opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3769 p_params->timeout = 0;
3770 break;
3771 default:
3772 opcode = RESOURCE_OPCODE_REQ_W_AGING;
3773 break;
3774 }
3775
3776 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3777 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3778 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3779
3780 DP_VERBOSE(p_hwfn,
3781 QED_MSG_SP,
3782 "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3783 param, p_params->timeout, opcode, p_params->resource);
3784
3785 /* Attempt to acquire the resource */
3786 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3787 if (rc)
3788 return rc;
3789
3790 /* Analyze the response */
3791 p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3792 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3793
3794 DP_VERBOSE(p_hwfn,
3795 QED_MSG_SP,
3796 "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3797 mcp_param, opcode, p_params->owner);
3798
3799 switch (opcode) {
3800 case RESOURCE_OPCODE_GNT:
3801 p_params->b_granted = true;
3802 break;
3803 case RESOURCE_OPCODE_BUSY:
3804 p_params->b_granted = false;
3805 break;
3806 default:
3807 DP_NOTICE(p_hwfn,
3808 "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3809 mcp_param, opcode);
3810 return -EINVAL;
3811 }
3812
3813 return 0;
3814}
3815
3816int
3817qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3818 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3819{
3820 u32 retry_cnt = 0;
3821 int rc;
3822
3823 do {
3824 /* No need for an interval before the first iteration */
3825 if (retry_cnt) {
3826 if (p_params->sleep_b4_retry) {
3827 u16 retry_interval_in_ms =
3828 DIV_ROUND_UP(p_params->retry_interval,
3829 1000);
3830
3831 msleep(retry_interval_in_ms);
3832 } else {
3833 udelay(p_params->retry_interval);
3834 }
3835 }
3836
3837 rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3838 if (rc)
3839 return rc;
3840
3841 if (p_params->b_granted)
3842 break;
3843 } while (retry_cnt++ < p_params->retry_num);
3844
3845 return 0;
3846}
3847
3848int
3849qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3850 struct qed_ptt *p_ptt,
3851 struct qed_resc_unlock_params *p_params)
3852{
3853 u32 param = 0, mcp_resp, mcp_param;
3854 u8 opcode;
3855 int rc;
3856
3857 opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3858 : RESOURCE_OPCODE_RELEASE;
3859 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3860 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3861
3862 DP_VERBOSE(p_hwfn, QED_MSG_SP,
3863 "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3864 param, opcode, p_params->resource);
3865
3866 /* Attempt to release the resource */
3867 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3868 if (rc)
3869 return rc;
3870
3871 /* Analyze the response */
3872 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3873
3874 DP_VERBOSE(p_hwfn, QED_MSG_SP,
3875 "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3876 mcp_param, opcode);
3877
3878 switch (opcode) {
3879 case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3880 DP_INFO(p_hwfn,
3881 "Resource unlock request for an already released resource [%d]\n",
3882 p_params->resource);
3883 fallthrough;
3884 case RESOURCE_OPCODE_RELEASED:
3885 p_params->b_released = true;
3886 break;
3887 case RESOURCE_OPCODE_WRONG_OWNER:
3888 p_params->b_released = false;
3889 break;
3890 default:
3891 DP_NOTICE(p_hwfn,
3892 "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3893 mcp_param, opcode);
3894 return -EINVAL;
3895 }
3896
3897 return 0;
3898}
3899
3900void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3901 struct qed_resc_unlock_params *p_unlock,
3902 enum qed_resc_lock
3903 resource, bool b_is_permanent)
3904{
3905 if (p_lock) {
3906 memset(p_lock, 0, sizeof(*p_lock));
3907
3908 /* Permanent resources don't require aging, and there's no
3909 * point in trying to acquire them more than once since it's
3910 * unexpected another entity would release them.
3911 */
3912 if (b_is_permanent) {
3913 p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3914 } else {
3915 p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3916 p_lock->retry_interval =
3917 QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3918 p_lock->sleep_b4_retry = true;
3919 }
3920
3921 p_lock->resource = resource;
3922 }
3923
3924 if (p_unlock) {
3925 memset(p_unlock, 0, sizeof(*p_unlock));
3926 p_unlock->resource = resource;
3927 }
3928}
3929
3930bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3931{
3932 return !!(p_hwfn->mcp_info->capabilities &
3933 FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3934}
3935
3936int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3937{
3938 u32 mcp_resp;
3939 int rc;
3940
3941 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3942 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3943 if (!rc)
3944 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3945 "MFW supported features: %08x\n",
3946 p_hwfn->mcp_info->capabilities);
3947
3948 return rc;
3949}
3950
3951int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3952{
3953 u32 mcp_resp, mcp_param, features;
3954
3955 features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3956 DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK |
3957 DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL;
3958
3959 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3960 features, &mcp_resp, &mcp_param);
3961}
3962
3963int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3964{
3965 struct qed_mcp_mb_params mb_params = {0};
3966 struct qed_dev *cdev = p_hwfn->cdev;
3967 u8 fir_valid, l2_valid;
3968 int rc;
3969
3970 mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3971 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3972 if (rc)
3973 return rc;
3974
3975 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3976 DP_INFO(p_hwfn,
3977 "The get_engine_config command is unsupported by the MFW\n");
3978 return -EOPNOTSUPP;
3979 }
3980
3981 fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3982 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3983 if (fir_valid)
3984 cdev->fir_affin =
3985 QED_MFW_GET_FIELD(mb_params.mcp_param,
3986 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3987
3988 l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3989 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
3990 if (l2_valid)
3991 cdev->l2_affin_hint =
3992 QED_MFW_GET_FIELD(mb_params.mcp_param,
3993 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
3994
3995 DP_INFO(p_hwfn,
3996 "Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
3997 fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
3998
3999 return 0;
4000}
4001
4002int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4003{
4004 struct qed_mcp_mb_params mb_params = {0};
4005 struct qed_dev *cdev = p_hwfn->cdev;
4006 int rc;
4007
4008 mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
4009 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4010 if (rc)
4011 return rc;
4012
4013 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4014 DP_INFO(p_hwfn,
4015 "The get_ppfid_bitmap command is unsupported by the MFW\n");
4016 return -EOPNOTSUPP;
4017 }
4018
4019 cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
4020 FW_MB_PARAM_PPFID_BITMAP);
4021
4022 DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
4023 cdev->ppfid_bitmap);
4024
4025 return 0;
4026}
4027
4028int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4029 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4030 u32 *p_len)
4031{
4032 u32 mb_param = 0, resp, param;
4033 int rc;
4034
4035 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4036 if (flags & QED_NVM_CFG_OPTION_INIT)
4037 QED_MFW_SET_FIELD(mb_param,
4038 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4039 if (flags & QED_NVM_CFG_OPTION_FREE)
4040 QED_MFW_SET_FIELD(mb_param,
4041 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4042 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4043 QED_MFW_SET_FIELD(mb_param,
4044 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4045 QED_MFW_SET_FIELD(mb_param,
4046 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4047 entity_id);
4048 }
4049
4050 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
4051 DRV_MSG_CODE_GET_NVM_CFG_OPTION,
4052 mb_param, &resp, ¶m, p_len,
4053 (u32 *)p_buf, false);
4054
4055 return rc;
4056}
4057
4058int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4059 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4060 u32 len)
4061{
4062 u32 mb_param = 0, resp, param;
4063
4064 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4065 if (flags & QED_NVM_CFG_OPTION_ALL)
4066 QED_MFW_SET_FIELD(mb_param,
4067 DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
4068 if (flags & QED_NVM_CFG_OPTION_INIT)
4069 QED_MFW_SET_FIELD(mb_param,
4070 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4071 if (flags & QED_NVM_CFG_OPTION_COMMIT)
4072 QED_MFW_SET_FIELD(mb_param,
4073 DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
4074 if (flags & QED_NVM_CFG_OPTION_FREE)
4075 QED_MFW_SET_FIELD(mb_param,
4076 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4077 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4078 QED_MFW_SET_FIELD(mb_param,
4079 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4080 QED_MFW_SET_FIELD(mb_param,
4081 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4082 entity_id);
4083 }
4084
4085 return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
4086 DRV_MSG_CODE_SET_NVM_CFG_OPTION,
4087 mb_param, &resp, ¶m, len, (u32 *)p_buf);
4088}
4089
4090#define QED_MCP_DBG_DATA_MAX_SIZE MCP_DRV_NVM_BUF_LEN
4091#define QED_MCP_DBG_DATA_MAX_HEADER_SIZE sizeof(u32)
4092#define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
4093 (QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
4094
4095static int
4096__qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4097 struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
4098{
4099 struct qed_mcp_mb_params mb_params;
4100 int rc;
4101
4102 if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
4103 DP_ERR(p_hwfn,
4104 "Debug data size is %d while it should not exceed %d\n",
4105 size, QED_MCP_DBG_DATA_MAX_SIZE);
4106 return -EINVAL;
4107 }
4108
4109 memset(&mb_params, 0, sizeof(mb_params));
4110 mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
4111 SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
4112 mb_params.p_data_src = p_buf;
4113 mb_params.data_src_size = size;
4114 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4115 if (rc)
4116 return rc;
4117
4118 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4119 DP_INFO(p_hwfn,
4120 "The DEBUG_DATA_SEND command is unsupported by the MFW\n");
4121 return -EOPNOTSUPP;
4122 } else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
4123 DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
4124 return -EBUSY;
4125 } else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
4126 DP_NOTICE(p_hwfn,
4127 "Failed to send debug data to the MFW [resp 0x%08x]\n",
4128 mb_params.mcp_resp);
4129 return -EINVAL;
4130 }
4131
4132 return 0;
4133}
4134
4135enum qed_mcp_dbg_data_type {
4136 QED_MCP_DBG_DATA_TYPE_RAW,
4137};
4138
4139/* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
4140#define QED_MCP_DBG_DATA_HDR_SN_OFFSET 0
4141#define QED_MCP_DBG_DATA_HDR_SN_MASK 0x00000fff
4142#define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET 12
4143#define QED_MCP_DBG_DATA_HDR_TYPE_MASK 0x000ff000
4144#define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET 20
4145#define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
4146#define QED_MCP_DBG_DATA_HDR_PF_OFFSET 28
4147#define QED_MCP_DBG_DATA_HDR_PF_MASK 0xf0000000
4148
4149#define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST 0x1
4150#define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
4151
4152static int
4153qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4154 struct qed_ptt *p_ptt,
4155 enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
4156{
4157 u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
4158 u32 tmp_size = size, *p_header, *p_payload;
4159 u8 flags = 0;
4160 u16 seq;
4161 int rc;
4162
4163 p_header = (u32 *)raw_data;
4164 p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
4165
4166 seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
4167
4168 /* First chunk is marked as 'first' */
4169 flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4170
4171 *p_header = 0;
4172 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
4173 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
4174 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4175 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
4176
4177 while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
4178 memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
4179 rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4180 QED_MCP_DBG_DATA_MAX_SIZE);
4181 if (rc)
4182 return rc;
4183
4184 /* Clear the 'first' marking after sending the first chunk */
4185 if (p_tmp_buf == p_buf) {
4186 flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4187 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
4188 flags);
4189 }
4190
4191 p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4192 tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4193 }
4194
4195 /* Last chunk is marked as 'last' */
4196 flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
4197 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4198 memcpy(p_payload, p_tmp_buf, tmp_size);
4199
4200 /* Casting the left size to u8 is ok since at this point it is <= 32 */
4201 return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4202 (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
4203 tmp_size));
4204}
4205
4206int
4207qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
4208 struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
4209{
4210 return qed_mcp_send_debug_data(p_hwfn, p_ptt,
4211 QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
4212}
4213
4214bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn)
4215{
4216 return !!(p_hwfn->mcp_info->capabilities &
4217 FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK);
4218}
4219
4220int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active)
4221{
4222 u32 resp = 0, param = 0;
4223 int rc;
4224
4225 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, ¶m);
4226 if (rc) {
4227 DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc);
4228 return rc;
4229 }
4230
4231 *active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED);
4232
4233 return 0;
4234}
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}