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Merge tag 'cxl-for-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
[linux.git] / drivers / net / ethernet / qlogic / qed / qed_mcp.c
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
53 bool 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
60 void 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
73 void 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
92 struct 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 */
100 static struct qed_mcp_cmd_elem *
101 qed_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);
114 out:
115         return p_cmd_elem;
116 }
117
118 /* Must be called while cmd_lock is acquired */
119 static 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 */
127 static 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
140 int 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
167 static 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
238 int 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
272 err:
273         qed_mcp_free(p_hwfn);
274         return -ENOMEM;
275 }
276
277 static 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
296 int 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 */
340 static 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 */
357 static int
358 qed_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 */
403 static 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
432 static 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
440 static 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
459 static int
460 _qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
461                        struct qed_ptt *p_ptt,
462                        struct qed_mcp_mb_params *p_mb_params,
463                        u32 max_retries, u32 usecs)
464 {
465         u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000);
466         struct qed_mcp_cmd_elem *p_cmd_elem;
467         u16 seq_num;
468         int rc = 0;
469
470         /* Wait until the mailbox is non-occupied */
471         do {
472                 /* Exit the loop if there is no pending command, or if the
473                  * pending command is completed during this iteration.
474                  * The spinlock stays locked until the command is sent.
475                  */
476
477                 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
478
479                 if (!qed_mcp_has_pending_cmd(p_hwfn))
480                         break;
481
482                 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
483                 if (!rc)
484                         break;
485                 else if (rc != -EAGAIN)
486                         goto err;
487
488                 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
489
490                 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
491                         msleep(msecs);
492                 else
493                         udelay(usecs);
494         } while (++cnt < max_retries);
495
496         if (cnt >= max_retries) {
497                 DP_NOTICE(p_hwfn,
498                           "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
499                           p_mb_params->cmd, p_mb_params->param);
500                 return -EAGAIN;
501         }
502
503         /* Send the mailbox command */
504         qed_mcp_reread_offsets(p_hwfn, p_ptt);
505         seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
506         p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
507         if (!p_cmd_elem) {
508                 rc = -ENOMEM;
509                 goto err;
510         }
511
512         __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
513         spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
514
515         /* Wait for the MFW response */
516         do {
517                 /* Exit the loop if the command is already completed, or if the
518                  * command is completed during this iteration.
519                  * The spinlock stays locked until the list element is removed.
520                  */
521
522                 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
523                         msleep(msecs);
524                 else
525                         udelay(usecs);
526
527                 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
528
529                 if (p_cmd_elem->b_is_completed)
530                         break;
531
532                 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
533                 if (!rc)
534                         break;
535                 else if (rc != -EAGAIN)
536                         goto err;
537
538                 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
539         } while (++cnt < max_retries);
540
541         if (cnt >= max_retries) {
542                 DP_NOTICE(p_hwfn,
543                           "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
544                           p_mb_params->cmd, p_mb_params->param);
545                 qed_mcp_print_cpu_info(p_hwfn, p_ptt);
546
547                 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
548                 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
549                 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
550
551                 if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
552                         qed_mcp_cmd_set_blocking(p_hwfn, true);
553
554                 qed_hw_err_notify(p_hwfn, p_ptt,
555                                   QED_HW_ERR_MFW_RESP_FAIL, NULL);
556                 return -EAGAIN;
557         }
558
559         qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
560         spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
561
562         DP_VERBOSE(p_hwfn,
563                    QED_MSG_SP,
564                    "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
565                    p_mb_params->mcp_resp,
566                    p_mb_params->mcp_param,
567                    (cnt * usecs) / 1000, (cnt * usecs) % 1000);
568
569         /* Clear the sequence number from the MFW response */
570         p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
571
572         return 0;
573
574 err:
575         spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
576         return rc;
577 }
578
579 static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
580                                  struct qed_ptt *p_ptt,
581                                  struct qed_mcp_mb_params *p_mb_params)
582 {
583         size_t union_data_size = sizeof(union drv_union_data);
584         u32 max_retries = QED_DRV_MB_MAX_RETRIES;
585         u32 usecs = QED_MCP_RESP_ITER_US;
586
587         /* MCP not initialized */
588         if (!qed_mcp_is_init(p_hwfn)) {
589                 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
590                 return -EBUSY;
591         }
592
593         if (p_hwfn->mcp_info->b_block_cmd) {
594                 DP_NOTICE(p_hwfn,
595                           "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
596                           p_mb_params->cmd, p_mb_params->param);
597                 return -EBUSY;
598         }
599
600         if (p_mb_params->data_src_size > union_data_size ||
601             p_mb_params->data_dst_size > union_data_size) {
602                 DP_ERR(p_hwfn,
603                        "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
604                        p_mb_params->data_src_size,
605                        p_mb_params->data_dst_size, union_data_size);
606                 return -EINVAL;
607         }
608
609         if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) {
610                 max_retries = DIV_ROUND_UP(max_retries, 1000);
611                 usecs *= 1000;
612         }
613
614         return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
615                                       usecs);
616 }
617
618 static int _qed_mcp_cmd(struct qed_hwfn *p_hwfn,
619                         struct qed_ptt *p_ptt,
620                         u32 cmd,
621                         u32 param,
622                         u32 *o_mcp_resp,
623                         u32 *o_mcp_param,
624                         bool can_sleep)
625 {
626         struct qed_mcp_mb_params mb_params;
627         int rc;
628
629         memset(&mb_params, 0, sizeof(mb_params));
630         mb_params.cmd = cmd;
631         mb_params.param = param;
632         mb_params.flags = can_sleep ? QED_MB_FLAG_CAN_SLEEP : 0;
633
634         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
635         if (rc)
636                 return rc;
637
638         *o_mcp_resp = mb_params.mcp_resp;
639         *o_mcp_param = mb_params.mcp_param;
640
641         return 0;
642 }
643
644 int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
645                 struct qed_ptt *p_ptt,
646                 u32 cmd,
647                 u32 param,
648                 u32 *o_mcp_resp,
649                 u32 *o_mcp_param)
650 {
651         return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
652                              o_mcp_resp, o_mcp_param, true));
653 }
654
655 int qed_mcp_cmd_nosleep(struct qed_hwfn *p_hwfn,
656                         struct qed_ptt *p_ptt,
657                         u32 cmd,
658                         u32 param,
659                         u32 *o_mcp_resp,
660                         u32 *o_mcp_param)
661 {
662         return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
663                              o_mcp_resp, o_mcp_param, false));
664 }
665
666 static int
667 qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
668                    struct qed_ptt *p_ptt,
669                    u32 cmd,
670                    u32 param,
671                    u32 *o_mcp_resp,
672                    u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
673 {
674         struct qed_mcp_mb_params mb_params;
675         int rc;
676
677         memset(&mb_params, 0, sizeof(mb_params));
678         mb_params.cmd = cmd;
679         mb_params.param = param;
680         mb_params.p_data_src = i_buf;
681         mb_params.data_src_size = (u8)i_txn_size;
682         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
683         if (rc)
684                 return rc;
685
686         *o_mcp_resp = mb_params.mcp_resp;
687         *o_mcp_param = mb_params.mcp_param;
688
689         /* nvm_info needs to be updated */
690         p_hwfn->nvm_info.valid = false;
691
692         return 0;
693 }
694
695 int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
696                        struct qed_ptt *p_ptt,
697                        u32 cmd,
698                        u32 param,
699                        u32 *o_mcp_resp,
700                        u32 *o_mcp_param,
701                        u32 *o_txn_size, u32 *o_buf, bool b_can_sleep)
702 {
703         struct qed_mcp_mb_params mb_params;
704         u8 raw_data[MCP_DRV_NVM_BUF_LEN];
705         int rc;
706
707         memset(&mb_params, 0, sizeof(mb_params));
708         mb_params.cmd = cmd;
709         mb_params.param = param;
710         mb_params.p_data_dst = raw_data;
711
712         /* Use the maximal value since the actual one is part of the response */
713         mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
714         if (b_can_sleep)
715                 mb_params.flags = QED_MB_FLAG_CAN_SLEEP;
716
717         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
718         if (rc)
719                 return rc;
720
721         *o_mcp_resp = mb_params.mcp_resp;
722         *o_mcp_param = mb_params.mcp_param;
723
724         *o_txn_size = *o_mcp_param;
725         memcpy(o_buf, raw_data, *o_txn_size);
726
727         return 0;
728 }
729
730 static bool
731 qed_mcp_can_force_load(u8 drv_role,
732                        u8 exist_drv_role,
733                        enum qed_override_force_load override_force_load)
734 {
735         bool can_force_load = false;
736
737         switch (override_force_load) {
738         case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
739                 can_force_load = true;
740                 break;
741         case QED_OVERRIDE_FORCE_LOAD_NEVER:
742                 can_force_load = false;
743                 break;
744         default:
745                 can_force_load = (drv_role == DRV_ROLE_OS &&
746                                   exist_drv_role == DRV_ROLE_PREBOOT) ||
747                                  (drv_role == DRV_ROLE_KDUMP &&
748                                   exist_drv_role == DRV_ROLE_OS);
749                 break;
750         }
751
752         return can_force_load;
753 }
754
755 static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
756                                    struct qed_ptt *p_ptt)
757 {
758         u32 resp = 0, param = 0;
759         int rc;
760
761         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
762                          &resp, &param);
763         if (rc)
764                 DP_NOTICE(p_hwfn,
765                           "Failed to send cancel load request, rc = %d\n", rc);
766
767         return rc;
768 }
769
770 #define CONFIG_QEDE_BITMAP_IDX          BIT(0)
771 #define CONFIG_QED_SRIOV_BITMAP_IDX     BIT(1)
772 #define CONFIG_QEDR_BITMAP_IDX          BIT(2)
773 #define CONFIG_QEDF_BITMAP_IDX          BIT(4)
774 #define CONFIG_QEDI_BITMAP_IDX          BIT(5)
775 #define CONFIG_QED_LL2_BITMAP_IDX       BIT(6)
776
777 static u32 qed_get_config_bitmap(void)
778 {
779         u32 config_bitmap = 0x0;
780
781         if (IS_ENABLED(CONFIG_QEDE))
782                 config_bitmap |= CONFIG_QEDE_BITMAP_IDX;
783
784         if (IS_ENABLED(CONFIG_QED_SRIOV))
785                 config_bitmap |= CONFIG_QED_SRIOV_BITMAP_IDX;
786
787         if (IS_ENABLED(CONFIG_QED_RDMA))
788                 config_bitmap |= CONFIG_QEDR_BITMAP_IDX;
789
790         if (IS_ENABLED(CONFIG_QED_FCOE))
791                 config_bitmap |= CONFIG_QEDF_BITMAP_IDX;
792
793         if (IS_ENABLED(CONFIG_QED_ISCSI))
794                 config_bitmap |= CONFIG_QEDI_BITMAP_IDX;
795
796         if (IS_ENABLED(CONFIG_QED_LL2))
797                 config_bitmap |= CONFIG_QED_LL2_BITMAP_IDX;
798
799         return config_bitmap;
800 }
801
802 struct qed_load_req_in_params {
803         u8 hsi_ver;
804 #define QED_LOAD_REQ_HSI_VER_DEFAULT    0
805 #define QED_LOAD_REQ_HSI_VER_1          1
806         u32 drv_ver_0;
807         u32 drv_ver_1;
808         u32 fw_ver;
809         u8 drv_role;
810         u8 timeout_val;
811         u8 force_cmd;
812         bool avoid_eng_reset;
813 };
814
815 struct qed_load_req_out_params {
816         u32 load_code;
817         u32 exist_drv_ver_0;
818         u32 exist_drv_ver_1;
819         u32 exist_fw_ver;
820         u8 exist_drv_role;
821         u8 mfw_hsi_ver;
822         bool drv_exists;
823 };
824
825 static int
826 __qed_mcp_load_req(struct qed_hwfn *p_hwfn,
827                    struct qed_ptt *p_ptt,
828                    struct qed_load_req_in_params *p_in_params,
829                    struct qed_load_req_out_params *p_out_params)
830 {
831         struct qed_mcp_mb_params mb_params;
832         struct load_req_stc load_req;
833         struct load_rsp_stc load_rsp;
834         u32 hsi_ver;
835         int rc;
836
837         memset(&load_req, 0, sizeof(load_req));
838         load_req.drv_ver_0 = p_in_params->drv_ver_0;
839         load_req.drv_ver_1 = p_in_params->drv_ver_1;
840         load_req.fw_ver = p_in_params->fw_ver;
841         QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
842         QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
843                           p_in_params->timeout_val);
844         QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
845                           p_in_params->force_cmd);
846         QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
847                           p_in_params->avoid_eng_reset);
848
849         hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
850                   DRV_ID_MCP_HSI_VER_CURRENT :
851                   (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
852
853         memset(&mb_params, 0, sizeof(mb_params));
854         mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
855         mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
856         mb_params.p_data_src = &load_req;
857         mb_params.data_src_size = sizeof(load_req);
858         mb_params.p_data_dst = &load_rsp;
859         mb_params.data_dst_size = sizeof(load_rsp);
860         mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
861
862         DP_VERBOSE(p_hwfn, QED_MSG_SP,
863                    "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
864                    mb_params.param,
865                    QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
866                    QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
867                    QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
868                    QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
869
870         if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
871                 DP_VERBOSE(p_hwfn, QED_MSG_SP,
872                            "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n",
873                            load_req.drv_ver_0,
874                            load_req.drv_ver_1,
875                            load_req.fw_ver,
876                            load_req.misc0,
877                            QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
878                            QED_MFW_GET_FIELD(load_req.misc0,
879                                              LOAD_REQ_LOCK_TO),
880                            QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
881                            QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
882         }
883
884         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
885         if (rc) {
886                 DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
887                 return rc;
888         }
889
890         DP_VERBOSE(p_hwfn, QED_MSG_SP,
891                    "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
892         p_out_params->load_code = mb_params.mcp_resp;
893
894         if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
895             p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
896                 DP_VERBOSE(p_hwfn,
897                            QED_MSG_SP,
898                            "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n",
899                            load_rsp.drv_ver_0,
900                            load_rsp.drv_ver_1,
901                            load_rsp.fw_ver,
902                            load_rsp.misc0,
903                            QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
904                            QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
905                            QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
906
907                 p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
908                 p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
909                 p_out_params->exist_fw_ver = load_rsp.fw_ver;
910                 p_out_params->exist_drv_role =
911                     QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
912                 p_out_params->mfw_hsi_ver =
913                     QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
914                 p_out_params->drv_exists =
915                     QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
916                     LOAD_RSP_FLAGS0_DRV_EXISTS;
917         }
918
919         return 0;
920 }
921
922 static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
923                                   enum qed_drv_role drv_role,
924                                   u8 *p_mfw_drv_role)
925 {
926         switch (drv_role) {
927         case QED_DRV_ROLE_OS:
928                 *p_mfw_drv_role = DRV_ROLE_OS;
929                 break;
930         case QED_DRV_ROLE_KDUMP:
931                 *p_mfw_drv_role = DRV_ROLE_KDUMP;
932                 break;
933         default:
934                 DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
935                 return -EINVAL;
936         }
937
938         return 0;
939 }
940
941 enum qed_load_req_force {
942         QED_LOAD_REQ_FORCE_NONE,
943         QED_LOAD_REQ_FORCE_PF,
944         QED_LOAD_REQ_FORCE_ALL,
945 };
946
947 static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
948                                   enum qed_load_req_force force_cmd,
949                                   u8 *p_mfw_force_cmd)
950 {
951         switch (force_cmd) {
952         case QED_LOAD_REQ_FORCE_NONE:
953                 *p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
954                 break;
955         case QED_LOAD_REQ_FORCE_PF:
956                 *p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
957                 break;
958         case QED_LOAD_REQ_FORCE_ALL:
959                 *p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
960                 break;
961         }
962 }
963
964 int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
965                      struct qed_ptt *p_ptt,
966                      struct qed_load_req_params *p_params)
967 {
968         struct qed_load_req_out_params out_params;
969         struct qed_load_req_in_params in_params;
970         u8 mfw_drv_role, mfw_force_cmd;
971         int rc;
972
973         memset(&in_params, 0, sizeof(in_params));
974         in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
975         in_params.drv_ver_1 = qed_get_config_bitmap();
976         in_params.fw_ver = STORM_FW_VERSION;
977         rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
978         if (rc)
979                 return rc;
980
981         in_params.drv_role = mfw_drv_role;
982         in_params.timeout_val = p_params->timeout_val;
983         qed_get_mfw_force_cmd(p_hwfn,
984                               QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
985
986         in_params.force_cmd = mfw_force_cmd;
987         in_params.avoid_eng_reset = p_params->avoid_eng_reset;
988
989         memset(&out_params, 0, sizeof(out_params));
990         rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
991         if (rc)
992                 return rc;
993
994         /* First handle cases where another load request should/might be sent:
995          * - MFW expects the old interface [HSI version = 1]
996          * - MFW responds that a force load request is required
997          */
998         if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
999                 DP_INFO(p_hwfn,
1000                         "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
1001
1002                 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
1003                 memset(&out_params, 0, sizeof(out_params));
1004                 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
1005                 if (rc)
1006                         return rc;
1007         } else if (out_params.load_code ==
1008                    FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1009                 if (qed_mcp_can_force_load(in_params.drv_role,
1010                                            out_params.exist_drv_role,
1011                                            p_params->override_force_load)) {
1012                         DP_INFO(p_hwfn,
1013                                 "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}]\n",
1014                                 in_params.drv_role, in_params.fw_ver,
1015                                 in_params.drv_ver_0, in_params.drv_ver_1,
1016                                 out_params.exist_drv_role,
1017                                 out_params.exist_fw_ver,
1018                                 out_params.exist_drv_ver_0,
1019                                 out_params.exist_drv_ver_1);
1020
1021                         qed_get_mfw_force_cmd(p_hwfn,
1022                                               QED_LOAD_REQ_FORCE_ALL,
1023                                               &mfw_force_cmd);
1024
1025                         in_params.force_cmd = mfw_force_cmd;
1026                         memset(&out_params, 0, sizeof(out_params));
1027                         rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1028                                                 &out_params);
1029                         if (rc)
1030                                 return rc;
1031                 } else {
1032                         DP_NOTICE(p_hwfn,
1033                                   "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}] - Avoid\n",
1034                                   in_params.drv_role, in_params.fw_ver,
1035                                   in_params.drv_ver_0, in_params.drv_ver_1,
1036                                   out_params.exist_drv_role,
1037                                   out_params.exist_fw_ver,
1038                                   out_params.exist_drv_ver_0,
1039                                   out_params.exist_drv_ver_1);
1040                         DP_NOTICE(p_hwfn,
1041                                   "Avoid sending a force load request to prevent disruption of active PFs\n");
1042
1043                         qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1044                         return -EBUSY;
1045                 }
1046         }
1047
1048         /* Now handle the other types of responses.
1049          * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1050          * expected here after the additional revised load requests were sent.
1051          */
1052         switch (out_params.load_code) {
1053         case FW_MSG_CODE_DRV_LOAD_ENGINE:
1054         case FW_MSG_CODE_DRV_LOAD_PORT:
1055         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1056                 if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1057                     out_params.drv_exists) {
1058                         /* The role and fw/driver version match, but the PF is
1059                          * already loaded and has not been unloaded gracefully.
1060                          */
1061                         DP_NOTICE(p_hwfn,
1062                                   "PF is already loaded\n");
1063                         return -EINVAL;
1064                 }
1065                 break;
1066         default:
1067                 DP_NOTICE(p_hwfn,
1068                           "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1069                           out_params.load_code);
1070                 return -EBUSY;
1071         }
1072
1073         p_params->load_code = out_params.load_code;
1074
1075         return 0;
1076 }
1077
1078 int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1079 {
1080         u32 resp = 0, param = 0;
1081         int rc;
1082
1083         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1084                          &param);
1085         if (rc) {
1086                 DP_NOTICE(p_hwfn,
1087                           "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1088                 return rc;
1089         }
1090
1091         /* Check if there is a DID mismatch between nvm-cfg/efuse */
1092         if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1093                 DP_NOTICE(p_hwfn,
1094                           "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1095
1096         return 0;
1097 }
1098
1099 #define MFW_COMPLETION_MAX_ITER 5000
1100 #define MFW_COMPLETION_INTERVAL_MS 1
1101
1102 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1103 {
1104         struct qed_mcp_mb_params mb_params;
1105         u32 cnt = MFW_COMPLETION_MAX_ITER;
1106         u32 wol_param;
1107         int rc;
1108
1109         switch (p_hwfn->cdev->wol_config) {
1110         case QED_OV_WOL_DISABLED:
1111                 wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1112                 break;
1113         case QED_OV_WOL_ENABLED:
1114                 wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1115                 break;
1116         default:
1117                 DP_NOTICE(p_hwfn,
1118                           "Unknown WoL configuration %02x\n",
1119                           p_hwfn->cdev->wol_config);
1120                 fallthrough;
1121         case QED_OV_WOL_DEFAULT:
1122                 wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1123         }
1124
1125         memset(&mb_params, 0, sizeof(mb_params));
1126         mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1127         mb_params.param = wol_param;
1128         mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1129
1130         spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
1131         set_bit(QED_MCP_BYPASS_PROC_BIT,
1132                 &p_hwfn->mcp_info->mcp_handling_status);
1133         spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
1134
1135         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1136
1137         while (test_bit(QED_MCP_IN_PROCESSING_BIT,
1138                         &p_hwfn->mcp_info->mcp_handling_status) && --cnt)
1139                 msleep(MFW_COMPLETION_INTERVAL_MS);
1140
1141         if (!cnt)
1142                 DP_NOTICE(p_hwfn,
1143                           "Failed to wait MFW event completion after %d msec\n",
1144                           MFW_COMPLETION_MAX_ITER * MFW_COMPLETION_INTERVAL_MS);
1145
1146         return rc;
1147 }
1148
1149 int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1150 {
1151         struct qed_mcp_mb_params mb_params;
1152         struct mcp_mac wol_mac;
1153
1154         memset(&mb_params, 0, sizeof(mb_params));
1155         mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1156
1157         /* Set the primary MAC if WoL is enabled */
1158         if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1159                 u8 *p_mac = p_hwfn->cdev->wol_mac;
1160
1161                 memset(&wol_mac, 0, sizeof(wol_mac));
1162                 wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1163                 wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1164                                     p_mac[4] << 8 | p_mac[5];
1165
1166                 DP_VERBOSE(p_hwfn,
1167                            (QED_MSG_SP | NETIF_MSG_IFDOWN),
1168                            "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1169                            p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1170
1171                 mb_params.p_data_src = &wol_mac;
1172                 mb_params.data_src_size = sizeof(wol_mac);
1173         }
1174
1175         return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1176 }
1177
1178 static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1179                                   struct qed_ptt *p_ptt)
1180 {
1181         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1182                                         PUBLIC_PATH);
1183         u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1184         u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1185                                      QED_PATH_ID(p_hwfn));
1186         u32 disabled_vfs[VF_MAX_STATIC / 32];
1187         int i;
1188
1189         DP_VERBOSE(p_hwfn,
1190                    QED_MSG_SP,
1191                    "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1192                    mfw_path_offsize, path_addr);
1193
1194         for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1195                 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1196                                          path_addr +
1197                                          offsetof(struct public_path,
1198                                                   mcp_vf_disabled) +
1199                                          sizeof(u32) * i);
1200                 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1201                            "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1202                            i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1203         }
1204
1205         if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1206                 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1207 }
1208
1209 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1210                        struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1211 {
1212         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1213                                         PUBLIC_FUNC);
1214         u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1215         u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1216                                      MCP_PF_ID(p_hwfn));
1217         struct qed_mcp_mb_params mb_params;
1218         int rc;
1219         int i;
1220
1221         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1222                 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1223                            "Acking VFs [%08x,...,%08x] - %08x\n",
1224                            i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1225
1226         memset(&mb_params, 0, sizeof(mb_params));
1227         mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1228         mb_params.p_data_src = vfs_to_ack;
1229         mb_params.data_src_size = VF_MAX_STATIC / 8;
1230         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1231         if (rc) {
1232                 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1233                 return -EBUSY;
1234         }
1235
1236         /* Clear the ACK bits */
1237         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1238                 qed_wr(p_hwfn, p_ptt,
1239                        func_addr +
1240                        offsetof(struct public_func, drv_ack_vf_disabled) +
1241                        i * sizeof(u32), 0);
1242
1243         return rc;
1244 }
1245
1246 static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1247                                               struct qed_ptt *p_ptt)
1248 {
1249         u32 transceiver_state;
1250
1251         transceiver_state = qed_rd(p_hwfn, p_ptt,
1252                                    p_hwfn->mcp_info->port_addr +
1253                                    offsetof(struct public_port,
1254                                             transceiver_data));
1255
1256         DP_VERBOSE(p_hwfn,
1257                    (NETIF_MSG_HW | QED_MSG_SP),
1258                    "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1259                    transceiver_state,
1260                    (u32)(p_hwfn->mcp_info->port_addr +
1261                           offsetof(struct public_port, transceiver_data)));
1262
1263         transceiver_state = GET_FIELD(transceiver_state,
1264                                       ETH_TRANSCEIVER_STATE);
1265
1266         if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1267                 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1268         else
1269                 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1270 }
1271
1272 static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1273                                     struct qed_ptt *p_ptt,
1274                                     struct qed_mcp_link_state *p_link)
1275 {
1276         u32 eee_status, val;
1277
1278         p_link->eee_adv_caps = 0;
1279         p_link->eee_lp_adv_caps = 0;
1280         eee_status = qed_rd(p_hwfn,
1281                             p_ptt,
1282                             p_hwfn->mcp_info->port_addr +
1283                             offsetof(struct public_port, eee_status));
1284         p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1285         val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1286         if (val & EEE_1G_ADV)
1287                 p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1288         if (val & EEE_10G_ADV)
1289                 p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1290         val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1291         if (val & EEE_1G_ADV)
1292                 p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1293         if (val & EEE_10G_ADV)
1294                 p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1295 }
1296
1297 static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1298                                   struct qed_ptt *p_ptt,
1299                                   struct public_func *p_data, int pfid)
1300 {
1301         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1302                                         PUBLIC_FUNC);
1303         u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1304         u32 func_addr;
1305         u32 i, size;
1306
1307         func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1308         memset(p_data, 0, sizeof(*p_data));
1309
1310         size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1311         for (i = 0; i < size / sizeof(u32); i++)
1312                 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1313                                             func_addr + (i << 2));
1314         return size;
1315 }
1316
1317 static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1318                                   struct public_func *p_shmem_info)
1319 {
1320         struct qed_mcp_function_info *p_info;
1321
1322         p_info = &p_hwfn->mcp_info->func_info;
1323
1324         p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1325                                                   FUNC_MF_CFG_MIN_BW);
1326         if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1327                 DP_INFO(p_hwfn,
1328                         "bandwidth minimum out of bounds [%02x]. Set to 1\n",
1329                         p_info->bandwidth_min);
1330                 p_info->bandwidth_min = 1;
1331         }
1332
1333         p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1334                                                   FUNC_MF_CFG_MAX_BW);
1335         if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1336                 DP_INFO(p_hwfn,
1337                         "bandwidth maximum out of bounds [%02x]. Set to 100\n",
1338                         p_info->bandwidth_max);
1339                 p_info->bandwidth_max = 100;
1340         }
1341 }
1342
1343 static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1344                                        struct qed_ptt *p_ptt, bool b_reset)
1345 {
1346         struct qed_mcp_link_state *p_link;
1347         u8 max_bw, min_bw;
1348         u32 status = 0;
1349
1350         /* Prevent SW/attentions from doing this at the same time */
1351         spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1352
1353         p_link = &p_hwfn->mcp_info->link_output;
1354         memset(p_link, 0, sizeof(*p_link));
1355         if (!b_reset) {
1356                 status = qed_rd(p_hwfn, p_ptt,
1357                                 p_hwfn->mcp_info->port_addr +
1358                                 offsetof(struct public_port, link_status));
1359                 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1360                            "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1361                            status,
1362                            (u32)(p_hwfn->mcp_info->port_addr +
1363                                  offsetof(struct public_port, link_status)));
1364         } else {
1365                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1366                            "Resetting link indications\n");
1367                 goto out;
1368         }
1369
1370         if (p_hwfn->b_drv_link_init) {
1371                 /* Link indication with modern MFW arrives as per-PF
1372                  * indication.
1373                  */
1374                 if (p_hwfn->mcp_info->capabilities &
1375                     FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1376                         struct public_func shmem_info;
1377
1378                         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1379                                                MCP_PF_ID(p_hwfn));
1380                         p_link->link_up = !!(shmem_info.status &
1381                                              FUNC_STATUS_VIRTUAL_LINK_UP);
1382                         qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1383                         DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1384                                    "Virtual link_up = %d\n", p_link->link_up);
1385                 } else {
1386                         p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1387                         DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1388                                    "Physical link_up = %d\n", p_link->link_up);
1389                 }
1390         } else {
1391                 p_link->link_up = false;
1392         }
1393
1394         p_link->full_duplex = true;
1395         switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1396         case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1397                 p_link->speed = 100000;
1398                 break;
1399         case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1400                 p_link->speed = 50000;
1401                 break;
1402         case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1403                 p_link->speed = 40000;
1404                 break;
1405         case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1406                 p_link->speed = 25000;
1407                 break;
1408         case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1409                 p_link->speed = 20000;
1410                 break;
1411         case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1412                 p_link->speed = 10000;
1413                 break;
1414         case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1415                 p_link->full_duplex = false;
1416                 fallthrough;
1417         case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1418                 p_link->speed = 1000;
1419                 break;
1420         default:
1421                 p_link->speed = 0;
1422                 p_link->link_up = 0;
1423         }
1424
1425         if (p_link->link_up && p_link->speed)
1426                 p_link->line_speed = p_link->speed;
1427         else
1428                 p_link->line_speed = 0;
1429
1430         max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1431         min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1432
1433         /* Max bandwidth configuration */
1434         __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1435
1436         /* Min bandwidth configuration */
1437         __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1438         qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1439                                             p_link->min_pf_rate);
1440
1441         p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1442         p_link->an_complete = !!(status &
1443                                  LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1444         p_link->parallel_detection = !!(status &
1445                                         LINK_STATUS_PARALLEL_DETECTION_USED);
1446         p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1447
1448         p_link->partner_adv_speed |=
1449                 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1450                 QED_LINK_PARTNER_SPEED_1G_FD : 0;
1451         p_link->partner_adv_speed |=
1452                 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1453                 QED_LINK_PARTNER_SPEED_1G_HD : 0;
1454         p_link->partner_adv_speed |=
1455                 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1456                 QED_LINK_PARTNER_SPEED_10G : 0;
1457         p_link->partner_adv_speed |=
1458                 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1459                 QED_LINK_PARTNER_SPEED_20G : 0;
1460         p_link->partner_adv_speed |=
1461                 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1462                 QED_LINK_PARTNER_SPEED_25G : 0;
1463         p_link->partner_adv_speed |=
1464                 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1465                 QED_LINK_PARTNER_SPEED_40G : 0;
1466         p_link->partner_adv_speed |=
1467                 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1468                 QED_LINK_PARTNER_SPEED_50G : 0;
1469         p_link->partner_adv_speed |=
1470                 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1471                 QED_LINK_PARTNER_SPEED_100G : 0;
1472
1473         p_link->partner_tx_flow_ctrl_en =
1474                 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1475         p_link->partner_rx_flow_ctrl_en =
1476                 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1477
1478         switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1479         case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1480                 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1481                 break;
1482         case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1483                 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1484                 break;
1485         case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1486                 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1487                 break;
1488         default:
1489                 p_link->partner_adv_pause = 0;
1490         }
1491
1492         p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1493
1494         if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1495                 qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1496
1497         if (p_hwfn->mcp_info->capabilities &
1498             FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1499                 switch (status & LINK_STATUS_FEC_MODE_MASK) {
1500                 case LINK_STATUS_FEC_MODE_NONE:
1501                         p_link->fec_active = QED_FEC_MODE_NONE;
1502                         break;
1503                 case LINK_STATUS_FEC_MODE_FIRECODE_CL74:
1504                         p_link->fec_active = QED_FEC_MODE_FIRECODE;
1505                         break;
1506                 case LINK_STATUS_FEC_MODE_RS_CL91:
1507                         p_link->fec_active = QED_FEC_MODE_RS;
1508                         break;
1509                 default:
1510                         p_link->fec_active = QED_FEC_MODE_AUTO;
1511                 }
1512         } else {
1513                 p_link->fec_active = QED_FEC_MODE_UNSUPPORTED;
1514         }
1515
1516         qed_link_update(p_hwfn, p_ptt);
1517 out:
1518         spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1519 }
1520
1521 int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1522 {
1523         struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1524         struct qed_mcp_mb_params mb_params;
1525         struct eth_phy_cfg phy_cfg;
1526         u32 cmd, fec_bit = 0;
1527         u32 val, ext_speed;
1528         int rc = 0;
1529
1530         /* Set the shmem configuration according to params */
1531         memset(&phy_cfg, 0, sizeof(phy_cfg));
1532         cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1533         if (!params->speed.autoneg)
1534                 phy_cfg.speed = params->speed.forced_speed;
1535         phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1536         phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1537         phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1538         phy_cfg.adv_speed = params->speed.advertised_speeds;
1539         phy_cfg.loopback_mode = params->loopback_mode;
1540
1541         /* There are MFWs that share this capability regardless of whether
1542          * this is feasible or not. And given that at the very least adv_caps
1543          * would be set internally by qed, we want to make sure LFA would
1544          * still work.
1545          */
1546         if ((p_hwfn->mcp_info->capabilities &
1547              FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1548                 phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1549                 if (params->eee.tx_lpi_enable)
1550                         phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1551                 if (params->eee.adv_caps & QED_EEE_1G_ADV)
1552                         phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1553                 if (params->eee.adv_caps & QED_EEE_10G_ADV)
1554                         phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1555                 phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1556                                     EEE_TX_TIMER_USEC_OFFSET) &
1557                                    EEE_TX_TIMER_USEC_MASK;
1558         }
1559
1560         if (p_hwfn->mcp_info->capabilities &
1561             FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1562                 if (params->fec & QED_FEC_MODE_NONE)
1563                         fec_bit |= FEC_FORCE_MODE_NONE;
1564                 else if (params->fec & QED_FEC_MODE_FIRECODE)
1565                         fec_bit |= FEC_FORCE_MODE_FIRECODE;
1566                 else if (params->fec & QED_FEC_MODE_RS)
1567                         fec_bit |= FEC_FORCE_MODE_RS;
1568                 else if (params->fec & QED_FEC_MODE_AUTO)
1569                         fec_bit |= FEC_FORCE_MODE_AUTO;
1570
1571                 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit);
1572         }
1573
1574         if (p_hwfn->mcp_info->capabilities &
1575             FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
1576                 ext_speed = 0;
1577                 if (params->ext_speed.autoneg)
1578                         ext_speed |= ETH_EXT_SPEED_NONE;
1579
1580                 val = params->ext_speed.forced_speed;
1581                 if (val & QED_EXT_SPEED_1G)
1582                         ext_speed |= ETH_EXT_SPEED_1G;
1583                 if (val & QED_EXT_SPEED_10G)
1584                         ext_speed |= ETH_EXT_SPEED_10G;
1585                 if (val & QED_EXT_SPEED_25G)
1586                         ext_speed |= ETH_EXT_SPEED_25G;
1587                 if (val & QED_EXT_SPEED_40G)
1588                         ext_speed |= ETH_EXT_SPEED_40G;
1589                 if (val & QED_EXT_SPEED_50G_R)
1590                         ext_speed |= ETH_EXT_SPEED_50G_BASE_R;
1591                 if (val & QED_EXT_SPEED_50G_R2)
1592                         ext_speed |= ETH_EXT_SPEED_50G_BASE_R2;
1593                 if (val & QED_EXT_SPEED_100G_R2)
1594                         ext_speed |= ETH_EXT_SPEED_100G_BASE_R2;
1595                 if (val & QED_EXT_SPEED_100G_R4)
1596                         ext_speed |= ETH_EXT_SPEED_100G_BASE_R4;
1597                 if (val & QED_EXT_SPEED_100G_P4)
1598                         ext_speed |= ETH_EXT_SPEED_100G_BASE_P4;
1599
1600                 SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED,
1601                               ext_speed);
1602
1603                 ext_speed = 0;
1604
1605                 val = params->ext_speed.advertised_speeds;
1606                 if (val & QED_EXT_SPEED_MASK_1G)
1607                         ext_speed |= ETH_EXT_ADV_SPEED_1G;
1608                 if (val & QED_EXT_SPEED_MASK_10G)
1609                         ext_speed |= ETH_EXT_ADV_SPEED_10G;
1610                 if (val & QED_EXT_SPEED_MASK_25G)
1611                         ext_speed |= ETH_EXT_ADV_SPEED_25G;
1612                 if (val & QED_EXT_SPEED_MASK_40G)
1613                         ext_speed |= ETH_EXT_ADV_SPEED_40G;
1614                 if (val & QED_EXT_SPEED_MASK_50G_R)
1615                         ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R;
1616                 if (val & QED_EXT_SPEED_MASK_50G_R2)
1617                         ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2;
1618                 if (val & QED_EXT_SPEED_MASK_100G_R2)
1619                         ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2;
1620                 if (val & QED_EXT_SPEED_MASK_100G_R4)
1621                         ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4;
1622                 if (val & QED_EXT_SPEED_MASK_100G_P4)
1623                         ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4;
1624
1625                 phy_cfg.extended_speed |= ext_speed;
1626
1627                 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE,
1628                               params->ext_fec_mode);
1629         }
1630
1631         p_hwfn->b_drv_link_init = b_up;
1632
1633         if (b_up) {
1634                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1635                            "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n",
1636                            phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed,
1637                            phy_cfg.loopback_mode, phy_cfg.fec_mode,
1638                            phy_cfg.extended_speed);
1639         } else {
1640                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n");
1641         }
1642
1643         memset(&mb_params, 0, sizeof(mb_params));
1644         mb_params.cmd = cmd;
1645         mb_params.p_data_src = &phy_cfg;
1646         mb_params.data_src_size = sizeof(phy_cfg);
1647         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1648
1649         /* if mcp fails to respond we must abort */
1650         if (rc) {
1651                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1652                 return rc;
1653         }
1654
1655         /* Mimic link-change attention, done for several reasons:
1656          *  - On reset, there's no guarantee MFW would trigger
1657          *    an attention.
1658          *  - On initialization, older MFWs might not indicate link change
1659          *    during LFA, so we'll never get an UP indication.
1660          */
1661         qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1662
1663         return 0;
1664 }
1665
1666 u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1667                                  struct qed_ptt *p_ptt)
1668 {
1669         u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1670
1671         if (IS_VF(p_hwfn->cdev))
1672                 return -EINVAL;
1673
1674         path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1675                                                  PUBLIC_PATH);
1676         path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1677         path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1678
1679         proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1680                                path_addr +
1681                                offsetof(struct public_path, process_kill)) &
1682                         PROCESS_KILL_COUNTER_MASK;
1683
1684         return proc_kill_cnt;
1685 }
1686
1687 static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1688                                         struct qed_ptt *p_ptt)
1689 {
1690         struct qed_dev *cdev = p_hwfn->cdev;
1691         u32 proc_kill_cnt;
1692
1693         /* Prevent possible attentions/interrupts during the recovery handling
1694          * and till its load phase, during which they will be re-enabled.
1695          */
1696         qed_int_igu_disable_int(p_hwfn, p_ptt);
1697
1698         DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1699
1700         /* The following operations should be done once, and thus in CMT mode
1701          * are carried out by only the first HW function.
1702          */
1703         if (p_hwfn != QED_LEADING_HWFN(cdev))
1704                 return;
1705
1706         if (cdev->recov_in_prog) {
1707                 DP_NOTICE(p_hwfn,
1708                           "Ignoring the indication since a recovery process is already in progress\n");
1709                 return;
1710         }
1711
1712         cdev->recov_in_prog = true;
1713
1714         proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1715         DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1716
1717         qed_schedule_recovery_handler(p_hwfn);
1718 }
1719
1720 static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1721                                         struct qed_ptt *p_ptt,
1722                                         enum MFW_DRV_MSG_TYPE type)
1723 {
1724         enum qed_mcp_protocol_type stats_type;
1725         union qed_mcp_protocol_stats stats;
1726         struct qed_mcp_mb_params mb_params;
1727         u32 hsi_param;
1728
1729         switch (type) {
1730         case MFW_DRV_MSG_GET_LAN_STATS:
1731                 stats_type = QED_MCP_LAN_STATS;
1732                 hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1733                 break;
1734         case MFW_DRV_MSG_GET_FCOE_STATS:
1735                 stats_type = QED_MCP_FCOE_STATS;
1736                 hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1737                 break;
1738         case MFW_DRV_MSG_GET_ISCSI_STATS:
1739                 stats_type = QED_MCP_ISCSI_STATS;
1740                 hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1741                 break;
1742         case MFW_DRV_MSG_GET_RDMA_STATS:
1743                 stats_type = QED_MCP_RDMA_STATS;
1744                 hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1745                 break;
1746         default:
1747                 DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1748                 return;
1749         }
1750
1751         qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1752
1753         memset(&mb_params, 0, sizeof(mb_params));
1754         mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1755         mb_params.param = hsi_param;
1756         mb_params.p_data_src = &stats;
1757         mb_params.data_src_size = sizeof(stats);
1758         qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1759 }
1760
1761 static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1762 {
1763         struct qed_mcp_function_info *p_info;
1764         struct public_func shmem_info;
1765         u32 resp = 0, param = 0;
1766
1767         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1768
1769         qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1770
1771         p_info = &p_hwfn->mcp_info->func_info;
1772
1773         qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1774         qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1775
1776         /* Acknowledge the MFW */
1777         qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1778                             &param);
1779 }
1780
1781 static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1782 {
1783         struct public_func shmem_info;
1784         u32 resp = 0, param = 0;
1785
1786         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1787
1788         p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1789                                                  FUNC_MF_CFG_OV_STAG_MASK;
1790         p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1791         if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1792                 if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1793                         qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1794                                p_hwfn->hw_info.ovlan);
1795                         qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1796
1797                         /* Configure DB to add external vlan to EDPM packets */
1798                         qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1799                         qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1800                                p_hwfn->hw_info.ovlan);
1801                 } else {
1802                         qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1803                         qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1804                         qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1805                         qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1806                 }
1807
1808                 qed_sp_pf_update_stag(p_hwfn);
1809         }
1810
1811         DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1812                    p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1813
1814         /* Acknowledge the MFW */
1815         qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1816                             &resp, &param);
1817 }
1818
1819 static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
1820                                        struct qed_ptt *p_ptt)
1821 {
1822         /* A single notification should be sent to upper driver in CMT mode */
1823         if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1824                 return;
1825
1826         qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
1827                           "Fan failure was detected on the network interface card and it's going to be shut down.\n");
1828 }
1829
1830 struct qed_mdump_cmd_params {
1831         u32 cmd;
1832         void *p_data_src;
1833         u8 data_src_size;
1834         void *p_data_dst;
1835         u8 data_dst_size;
1836         u32 mcp_resp;
1837 };
1838
1839 static int
1840 qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
1841                   struct qed_ptt *p_ptt,
1842                   struct qed_mdump_cmd_params *p_mdump_cmd_params)
1843 {
1844         struct qed_mcp_mb_params mb_params;
1845         int rc;
1846
1847         memset(&mb_params, 0, sizeof(mb_params));
1848         mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
1849         mb_params.param = p_mdump_cmd_params->cmd;
1850         mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
1851         mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
1852         mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
1853         mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
1854         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1855         if (rc)
1856                 return rc;
1857
1858         p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
1859
1860         if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
1861                 DP_INFO(p_hwfn,
1862                         "The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
1863                         p_mdump_cmd_params->cmd);
1864                 rc = -EOPNOTSUPP;
1865         } else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
1866                 DP_INFO(p_hwfn,
1867                         "The mdump command is not supported by the MFW\n");
1868                 rc = -EOPNOTSUPP;
1869         }
1870
1871         return rc;
1872 }
1873
1874 static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1875 {
1876         struct qed_mdump_cmd_params mdump_cmd_params;
1877
1878         memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1879         mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
1880
1881         return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1882 }
1883
1884 int
1885 qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1886                          struct qed_ptt *p_ptt,
1887                          struct mdump_retain_data_stc *p_mdump_retain)
1888 {
1889         struct qed_mdump_cmd_params mdump_cmd_params;
1890         int rc;
1891
1892         memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1893         mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
1894         mdump_cmd_params.p_data_dst = p_mdump_retain;
1895         mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
1896
1897         rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1898         if (rc)
1899                 return rc;
1900
1901         if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
1902                 DP_INFO(p_hwfn,
1903                         "Failed to get the mdump retained data [mcp_resp 0x%x]\n",
1904                         mdump_cmd_params.mcp_resp);
1905                 return -EINVAL;
1906         }
1907
1908         return 0;
1909 }
1910
1911 static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
1912                                           struct qed_ptt *p_ptt)
1913 {
1914         struct mdump_retain_data_stc mdump_retain;
1915         int rc;
1916
1917         /* In CMT mode - no need for more than a single acknowledgment to the
1918          * MFW, and no more than a single notification to the upper driver.
1919          */
1920         if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1921                 return;
1922
1923         rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
1924         if (rc == 0 && mdump_retain.valid)
1925                 DP_NOTICE(p_hwfn,
1926                           "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
1927                           mdump_retain.epoch,
1928                           mdump_retain.pf, mdump_retain.status);
1929         else
1930                 DP_NOTICE(p_hwfn,
1931                           "The MFW notified that a critical error occurred in the device\n");
1932
1933         DP_NOTICE(p_hwfn,
1934                   "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
1935         qed_mcp_mdump_ack(p_hwfn, p_ptt);
1936
1937         qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
1938 }
1939
1940 void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1941 {
1942         struct public_func shmem_info;
1943         u32 port_cfg, val;
1944
1945         if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1946                 return;
1947
1948         memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1949         port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1950                           offsetof(struct public_port, oem_cfg_port));
1951         val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1952                 OEM_CFG_CHANNEL_TYPE_OFFSET;
1953         if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1954                 DP_NOTICE(p_hwfn,
1955                           "Incorrect UFP Channel type  %d port_id 0x%02x\n",
1956                           val, MFW_PORT(p_hwfn));
1957
1958         val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1959         if (val == OEM_CFG_SCHED_TYPE_ETS) {
1960                 p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1961         } else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1962                 p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1963         } else {
1964                 p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1965                 DP_NOTICE(p_hwfn,
1966                           "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1967                           val, MFW_PORT(p_hwfn));
1968         }
1969
1970         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1971         val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1972                 OEM_CFG_FUNC_TC_OFFSET;
1973         p_hwfn->ufp_info.tc = (u8)val;
1974         val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1975                 OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1976         if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1977                 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1978         } else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1979                 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1980         } else {
1981                 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1982                 DP_NOTICE(p_hwfn,
1983                           "Unknown Host priority control %d port_id 0x%02x\n",
1984                           val, MFW_PORT(p_hwfn));
1985         }
1986
1987         DP_NOTICE(p_hwfn,
1988                   "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1989                   p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1990                   p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1991 }
1992
1993 static int
1994 qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1995 {
1996         qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1997
1998         if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1999                 p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
2000                 qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
2001                                            p_hwfn->ufp_info.tc);
2002
2003                 qed_qm_reconf(p_hwfn, p_ptt);
2004         } else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
2005                 /* Merge UFP TC with the dcbx TC data */
2006                 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2007                                           QED_DCBX_OPERATIONAL_MIB);
2008         } else {
2009                 DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
2010                 return -EINVAL;
2011         }
2012
2013         /* update storm FW with negotiation results */
2014         qed_sp_pf_update_ufp(p_hwfn);
2015
2016         /* update stag pcp value */
2017         qed_sp_pf_update_stag(p_hwfn);
2018
2019         return 0;
2020 }
2021
2022 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
2023                           struct qed_ptt *p_ptt)
2024 {
2025         struct qed_mcp_info *info = p_hwfn->mcp_info;
2026         int rc = 0;
2027         bool found = false;
2028         u16 i;
2029
2030         DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
2031
2032         /* Read Messages from MFW */
2033         qed_mcp_read_mb(p_hwfn, p_ptt);
2034
2035         /* Compare current messages to old ones */
2036         for (i = 0; i < info->mfw_mb_length; i++) {
2037                 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
2038                         continue;
2039
2040                 found = true;
2041
2042                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
2043                            "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
2044                            i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
2045
2046                 spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
2047                 if (test_bit(QED_MCP_BYPASS_PROC_BIT,
2048                              &p_hwfn->mcp_info->mcp_handling_status)) {
2049                         spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2050                         DP_INFO(p_hwfn,
2051                                 "Msg [%d] is bypassed on unload flow\n", i);
2052                         continue;
2053                 }
2054
2055                 set_bit(QED_MCP_IN_PROCESSING_BIT,
2056                         &p_hwfn->mcp_info->mcp_handling_status);
2057                 spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2058
2059                 switch (i) {
2060                 case MFW_DRV_MSG_LINK_CHANGE:
2061                         qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
2062                         break;
2063                 case MFW_DRV_MSG_VF_DISABLED:
2064                         qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
2065                         break;
2066                 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
2067                         qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2068                                                   QED_DCBX_REMOTE_LLDP_MIB);
2069                         break;
2070                 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
2071                         qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2072                                                   QED_DCBX_REMOTE_MIB);
2073                         break;
2074                 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
2075                         qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2076                                                   QED_DCBX_OPERATIONAL_MIB);
2077                         break;
2078                 case MFW_DRV_MSG_OEM_CFG_UPDATE:
2079                         qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
2080                         break;
2081                 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
2082                         qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
2083                         break;
2084                 case MFW_DRV_MSG_ERROR_RECOVERY:
2085                         qed_mcp_handle_process_kill(p_hwfn, p_ptt);
2086                         break;
2087                 case MFW_DRV_MSG_GET_LAN_STATS:
2088                 case MFW_DRV_MSG_GET_FCOE_STATS:
2089                 case MFW_DRV_MSG_GET_ISCSI_STATS:
2090                 case MFW_DRV_MSG_GET_RDMA_STATS:
2091                         qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
2092                         break;
2093                 case MFW_DRV_MSG_BW_UPDATE:
2094                         qed_mcp_update_bw(p_hwfn, p_ptt);
2095                         break;
2096                 case MFW_DRV_MSG_S_TAG_UPDATE:
2097                         qed_mcp_update_stag(p_hwfn, p_ptt);
2098                         break;
2099                 case MFW_DRV_MSG_FAILURE_DETECTED:
2100                         qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
2101                         break;
2102                 case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
2103                         qed_mcp_handle_critical_error(p_hwfn, p_ptt);
2104                         break;
2105                 case MFW_DRV_MSG_GET_TLV_REQ:
2106                         qed_mfw_tlv_req(p_hwfn);
2107                         break;
2108                 default:
2109                         DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
2110                         rc = -EINVAL;
2111                 }
2112
2113                 clear_bit(QED_MCP_IN_PROCESSING_BIT,
2114                           &p_hwfn->mcp_info->mcp_handling_status);
2115         }
2116
2117         /* ACK everything */
2118         for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
2119                 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
2120
2121                 /* MFW expect answer in BE, so we force write in that format */
2122                 qed_wr(p_hwfn, p_ptt,
2123                        info->mfw_mb_addr + sizeof(u32) +
2124                        MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
2125                        sizeof(u32) + i * sizeof(u32),
2126                        (__force u32)val);
2127         }
2128
2129         if (!found) {
2130                 DP_NOTICE(p_hwfn,
2131                           "Received an MFW message indication but no new message!\n");
2132                 rc = -EINVAL;
2133         }
2134
2135         /* Copy the new mfw messages into the shadow */
2136         memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
2137
2138         return rc;
2139 }
2140
2141 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
2142                         struct qed_ptt *p_ptt,
2143                         u32 *p_mfw_ver, u32 *p_running_bundle_id)
2144 {
2145         u32 global_offsize, public_base;
2146
2147         if (IS_VF(p_hwfn->cdev)) {
2148                 if (p_hwfn->vf_iov_info) {
2149                         struct pfvf_acquire_resp_tlv *p_resp;
2150
2151                         p_resp = &p_hwfn->vf_iov_info->acquire_resp;
2152                         *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
2153                         return 0;
2154                 } else {
2155                         DP_VERBOSE(p_hwfn,
2156                                    QED_MSG_IOV,
2157                                    "VF requested MFW version prior to ACQUIRE\n");
2158                         return -EINVAL;
2159                 }
2160         }
2161
2162         public_base = p_hwfn->mcp_info->public_base;
2163         global_offsize = qed_rd(p_hwfn, p_ptt,
2164                                 SECTION_OFFSIZE_ADDR(public_base,
2165                                                      PUBLIC_GLOBAL));
2166         *p_mfw_ver =
2167             qed_rd(p_hwfn, p_ptt,
2168                    SECTION_ADDR(global_offsize,
2169                                 0) + offsetof(struct public_global, mfw_ver));
2170
2171         if (p_running_bundle_id) {
2172                 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
2173                                               SECTION_ADDR(global_offsize, 0) +
2174                                               offsetof(struct public_global,
2175                                                        running_bundle_id));
2176         }
2177
2178         return 0;
2179 }
2180
2181 int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
2182                         struct qed_ptt *p_ptt, u32 *p_mbi_ver)
2183 {
2184         u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
2185
2186         if (IS_VF(p_hwfn->cdev))
2187                 return -EINVAL;
2188
2189         /* Read the address of the nvm_cfg */
2190         nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2191         if (!nvm_cfg_addr) {
2192                 DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2193                 return -EINVAL;
2194         }
2195
2196         /* Read the offset of nvm_cfg1 */
2197         nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2198
2199         mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2200                        offsetof(struct nvm_cfg1, glob) +
2201                        offsetof(struct nvm_cfg1_glob, mbi_version);
2202         *p_mbi_ver = qed_rd(p_hwfn, p_ptt,
2203                             mbi_ver_addr) &
2204                      (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
2205                       NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
2206                       NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
2207
2208         return 0;
2209 }
2210
2211 int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
2212                            struct qed_ptt *p_ptt, u32 *p_media_type)
2213 {
2214         *p_media_type = MEDIA_UNSPECIFIED;
2215
2216         if (IS_VF(p_hwfn->cdev))
2217                 return -EINVAL;
2218
2219         if (!qed_mcp_is_init(p_hwfn)) {
2220                 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2221                 return -EBUSY;
2222         }
2223
2224         if (!p_ptt) {
2225                 *p_media_type = MEDIA_UNSPECIFIED;
2226                 return -EINVAL;
2227         }
2228
2229         *p_media_type = qed_rd(p_hwfn, p_ptt,
2230                                p_hwfn->mcp_info->port_addr +
2231                                offsetof(struct public_port,
2232                                         media_type));
2233
2234         return 0;
2235 }
2236
2237 int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
2238                                  struct qed_ptt *p_ptt,
2239                                  u32 *p_transceiver_state,
2240                                  u32 *p_transceiver_type)
2241 {
2242         u32 transceiver_info;
2243
2244         *p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
2245         *p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
2246
2247         if (IS_VF(p_hwfn->cdev))
2248                 return -EINVAL;
2249
2250         if (!qed_mcp_is_init(p_hwfn)) {
2251                 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2252                 return -EBUSY;
2253         }
2254
2255         transceiver_info = qed_rd(p_hwfn, p_ptt,
2256                                   p_hwfn->mcp_info->port_addr +
2257                                   offsetof(struct public_port,
2258                                            transceiver_data));
2259
2260         *p_transceiver_state = (transceiver_info &
2261                                 ETH_TRANSCEIVER_STATE_MASK) >>
2262                                 ETH_TRANSCEIVER_STATE_OFFSET;
2263
2264         if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2265                 *p_transceiver_type = (transceiver_info &
2266                                        ETH_TRANSCEIVER_TYPE_MASK) >>
2267                                        ETH_TRANSCEIVER_TYPE_OFFSET;
2268         else
2269                 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2270
2271         return 0;
2272 }
2273
2274 static bool qed_is_transceiver_ready(u32 transceiver_state,
2275                                      u32 transceiver_type)
2276 {
2277         if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2278             ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2279             (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2280                 return true;
2281
2282         return false;
2283 }
2284
2285 int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2286                              struct qed_ptt *p_ptt, u32 *p_speed_mask)
2287 {
2288         u32 transceiver_type, transceiver_state;
2289         int ret;
2290
2291         ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2292                                            &transceiver_type);
2293         if (ret)
2294                 return ret;
2295
2296         if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2297                                      false)
2298                 return -EINVAL;
2299
2300         switch (transceiver_type) {
2301         case ETH_TRANSCEIVER_TYPE_1G_LX:
2302         case ETH_TRANSCEIVER_TYPE_1G_SX:
2303         case ETH_TRANSCEIVER_TYPE_1G_PCC:
2304         case ETH_TRANSCEIVER_TYPE_1G_ACC:
2305         case ETH_TRANSCEIVER_TYPE_1000BASET:
2306                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2307                 break;
2308         case ETH_TRANSCEIVER_TYPE_10G_SR:
2309         case ETH_TRANSCEIVER_TYPE_10G_LR:
2310         case ETH_TRANSCEIVER_TYPE_10G_LRM:
2311         case ETH_TRANSCEIVER_TYPE_10G_ER:
2312         case ETH_TRANSCEIVER_TYPE_10G_PCC:
2313         case ETH_TRANSCEIVER_TYPE_10G_ACC:
2314         case ETH_TRANSCEIVER_TYPE_4x10G:
2315                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2316                 break;
2317         case ETH_TRANSCEIVER_TYPE_40G_LR4:
2318         case ETH_TRANSCEIVER_TYPE_40G_SR4:
2319         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2320         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2321                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2322                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2323                 break;
2324         case ETH_TRANSCEIVER_TYPE_100G_AOC:
2325         case ETH_TRANSCEIVER_TYPE_100G_SR4:
2326         case ETH_TRANSCEIVER_TYPE_100G_LR4:
2327         case ETH_TRANSCEIVER_TYPE_100G_ER4:
2328         case ETH_TRANSCEIVER_TYPE_100G_ACC:
2329                 *p_speed_mask =
2330                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2331                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2332                 break;
2333         case ETH_TRANSCEIVER_TYPE_25G_SR:
2334         case ETH_TRANSCEIVER_TYPE_25G_LR:
2335         case ETH_TRANSCEIVER_TYPE_25G_AOC:
2336         case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2337         case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2338         case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2339                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2340                 break;
2341         case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2342         case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2343         case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2344         case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2345                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2346                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2347                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2348                 break;
2349         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2350         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
2351                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2352                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2353                 break;
2354         case ETH_TRANSCEIVER_TYPE_40G_CR4:
2355         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2356                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2357                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2358                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2359                 break;
2360         case ETH_TRANSCEIVER_TYPE_100G_CR4:
2361         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2362                 *p_speed_mask =
2363                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2364                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2365                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2366                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2367                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2368                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2369                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2370                 break;
2371         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2372         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2373         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2374                 *p_speed_mask =
2375                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2376                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2377                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2378                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2379                 break;
2380         case ETH_TRANSCEIVER_TYPE_XLPPI:
2381                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2382                 break;
2383         case ETH_TRANSCEIVER_TYPE_10G_BASET:
2384         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
2385         case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
2386                 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2387                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2388                 break;
2389         default:
2390                 DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2391                         transceiver_type);
2392                 *p_speed_mask = 0xff;
2393                 break;
2394         }
2395
2396         return 0;
2397 }
2398
2399 int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2400                              struct qed_ptt *p_ptt, u32 *p_board_config)
2401 {
2402         u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2403
2404         if (IS_VF(p_hwfn->cdev))
2405                 return -EINVAL;
2406
2407         if (!qed_mcp_is_init(p_hwfn)) {
2408                 DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2409                 return -EBUSY;
2410         }
2411         if (!p_ptt) {
2412                 *p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2413                 return -EINVAL;
2414         }
2415
2416         nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2417         nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2418         port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2419                         offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2420         *p_board_config = qed_rd(p_hwfn, p_ptt,
2421                                  port_cfg_addr +
2422                                  offsetof(struct nvm_cfg1_port,
2423                                           board_cfg));
2424
2425         return 0;
2426 }
2427
2428 /* Old MFW has a global configuration for all PFs regarding RDMA support */
2429 static void
2430 qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2431                                enum qed_pci_personality *p_proto)
2432 {
2433         /* There wasn't ever a legacy MFW that published iwarp.
2434          * So at this point, this is either plain l2 or RoCE.
2435          */
2436         if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2437                 *p_proto = QED_PCI_ETH_ROCE;
2438         else
2439                 *p_proto = QED_PCI_ETH;
2440
2441         DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2442                    "According to Legacy capabilities, L2 personality is %08x\n",
2443                    (u32)*p_proto);
2444 }
2445
2446 static int
2447 qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2448                             struct qed_ptt *p_ptt,
2449                             enum qed_pci_personality *p_proto)
2450 {
2451         u32 resp = 0, param = 0;
2452         int rc;
2453
2454         rc = qed_mcp_cmd(p_hwfn, p_ptt,
2455                          DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, &param);
2456         if (rc)
2457                 return rc;
2458         if (resp != FW_MSG_CODE_OK) {
2459                 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2460                            "MFW lacks support for command; Returns %08x\n",
2461                            resp);
2462                 return -EINVAL;
2463         }
2464
2465         switch (param) {
2466         case FW_MB_PARAM_GET_PF_RDMA_NONE:
2467                 *p_proto = QED_PCI_ETH;
2468                 break;
2469         case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2470                 *p_proto = QED_PCI_ETH_ROCE;
2471                 break;
2472         case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2473                 *p_proto = QED_PCI_ETH_IWARP;
2474                 break;
2475         case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2476                 *p_proto = QED_PCI_ETH_RDMA;
2477                 break;
2478         default:
2479                 DP_NOTICE(p_hwfn,
2480                           "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2481                           param);
2482                 return -EINVAL;
2483         }
2484
2485         DP_VERBOSE(p_hwfn,
2486                    NETIF_MSG_IFUP,
2487                    "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2488                    (u32)*p_proto, resp, param);
2489         return 0;
2490 }
2491
2492 static int
2493 qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2494                         struct public_func *p_info,
2495                         struct qed_ptt *p_ptt,
2496                         enum qed_pci_personality *p_proto)
2497 {
2498         int rc = 0;
2499
2500         switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2501         case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2502                 if (!IS_ENABLED(CONFIG_QED_RDMA))
2503                         *p_proto = QED_PCI_ETH;
2504                 else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2505                         qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2506                 break;
2507         case FUNC_MF_CFG_PROTOCOL_ISCSI:
2508                 *p_proto = QED_PCI_ISCSI;
2509                 break;
2510         case FUNC_MF_CFG_PROTOCOL_FCOE:
2511                 *p_proto = QED_PCI_FCOE;
2512                 break;
2513         case FUNC_MF_CFG_PROTOCOL_ROCE:
2514                 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2515                 fallthrough;
2516         default:
2517                 rc = -EINVAL;
2518         }
2519
2520         return rc;
2521 }
2522
2523 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2524                                  struct qed_ptt *p_ptt)
2525 {
2526         struct qed_mcp_function_info *info;
2527         struct public_func shmem_info;
2528
2529         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2530         info = &p_hwfn->mcp_info->func_info;
2531
2532         info->pause_on_host = (shmem_info.config &
2533                                FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2534
2535         if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2536                                     &info->protocol)) {
2537                 DP_ERR(p_hwfn, "Unknown personality %08x\n",
2538                        (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2539                 return -EINVAL;
2540         }
2541
2542         qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2543
2544         if (shmem_info.mac_upper || shmem_info.mac_lower) {
2545                 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2546                 info->mac[1] = (u8)(shmem_info.mac_upper);
2547                 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2548                 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2549                 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2550                 info->mac[5] = (u8)(shmem_info.mac_lower);
2551
2552                 /* Store primary MAC for later possible WoL */
2553                 memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2554         } else {
2555                 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2556         }
2557
2558         info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2559                          (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2560         info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2561                          (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2562
2563         info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2564
2565         info->mtu = (u16)shmem_info.mtu_size;
2566
2567         p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2568         p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2569         if (qed_mcp_is_init(p_hwfn)) {
2570                 u32 resp = 0, param = 0;
2571                 int rc;
2572
2573                 rc = qed_mcp_cmd(p_hwfn, p_ptt,
2574                                  DRV_MSG_CODE_OS_WOL, 0, &resp, &param);
2575                 if (rc)
2576                         return rc;
2577                 if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2578                         p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2579         }
2580
2581         DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2582                    "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn port %llx node %llx ovlan %04x wol %02x\n",
2583                 info->pause_on_host, info->protocol,
2584                 info->bandwidth_min, info->bandwidth_max,
2585                 info->mac,
2586                 info->wwn_port, info->wwn_node,
2587                 info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2588
2589         return 0;
2590 }
2591
2592 struct qed_mcp_link_params
2593 *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2594 {
2595         if (!p_hwfn || !p_hwfn->mcp_info)
2596                 return NULL;
2597         return &p_hwfn->mcp_info->link_input;
2598 }
2599
2600 struct qed_mcp_link_state
2601 *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2602 {
2603         if (!p_hwfn || !p_hwfn->mcp_info)
2604                 return NULL;
2605         return &p_hwfn->mcp_info->link_output;
2606 }
2607
2608 struct qed_mcp_link_capabilities
2609 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2610 {
2611         if (!p_hwfn || !p_hwfn->mcp_info)
2612                 return NULL;
2613         return &p_hwfn->mcp_info->link_capabilities;
2614 }
2615
2616 int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2617 {
2618         u32 resp = 0, param = 0;
2619         int rc;
2620
2621         rc = qed_mcp_cmd(p_hwfn, p_ptt,
2622                          DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
2623
2624         /* Wait for the drain to complete before returning */
2625         msleep(1020);
2626
2627         return rc;
2628 }
2629
2630 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2631                            struct qed_ptt *p_ptt, u32 *p_flash_size)
2632 {
2633         u32 flash_size;
2634
2635         if (IS_VF(p_hwfn->cdev))
2636                 return -EINVAL;
2637
2638         flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2639         flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2640                       MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2641         flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2642
2643         *p_flash_size = flash_size;
2644
2645         return 0;
2646 }
2647
2648 int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2649 {
2650         struct qed_dev *cdev = p_hwfn->cdev;
2651
2652         if (cdev->recov_in_prog) {
2653                 DP_NOTICE(p_hwfn,
2654                           "Avoid triggering a recovery since such a process is already in progress\n");
2655                 return -EAGAIN;
2656         }
2657
2658         DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2659         qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2660
2661         return 0;
2662 }
2663
2664 #define QED_RECOVERY_PROLOG_SLEEP_MS    100
2665
2666 int qed_recovery_prolog(struct qed_dev *cdev)
2667 {
2668         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2669         struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2670         int rc;
2671
2672         /* Allow ongoing PCIe transactions to complete */
2673         msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2674
2675         /* Clear the PF's internal FID_enable in the PXP */
2676         rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2677         if (rc)
2678                 DP_NOTICE(p_hwfn,
2679                           "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2680                           rc);
2681
2682         return rc;
2683 }
2684
2685 static int
2686 qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2687                           struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2688 {
2689         u32 resp = 0, param = 0, rc_param = 0;
2690         int rc;
2691
2692         /* Only Leader can configure MSIX, and need to take CMT into account */
2693         if (!IS_LEAD_HWFN(p_hwfn))
2694                 return 0;
2695         num *= p_hwfn->cdev->num_hwfns;
2696
2697         param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2698                  DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2699         param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2700                  DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2701
2702         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2703                          &resp, &rc_param);
2704
2705         if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2706                 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2707                 rc = -EINVAL;
2708         } else {
2709                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2710                            "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2711                            num, vf_id);
2712         }
2713
2714         return rc;
2715 }
2716
2717 static int
2718 qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2719                           struct qed_ptt *p_ptt, u8 num)
2720 {
2721         u32 resp = 0, param = num, rc_param = 0;
2722         int rc;
2723
2724         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2725                          param, &resp, &rc_param);
2726
2727         if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2728                 DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2729                 rc = -EINVAL;
2730         } else {
2731                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2732                            "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2733         }
2734
2735         return rc;
2736 }
2737
2738 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2739                            struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2740 {
2741         if (QED_IS_BB(p_hwfn->cdev))
2742                 return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2743         else
2744                 return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2745 }
2746
2747 int
2748 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2749                          struct qed_ptt *p_ptt,
2750                          struct qed_mcp_drv_version *p_ver)
2751 {
2752         struct qed_mcp_mb_params mb_params;
2753         struct drv_version_stc drv_version;
2754         __be32 val;
2755         u32 i;
2756         int rc;
2757
2758         memset(&drv_version, 0, sizeof(drv_version));
2759         drv_version.version = p_ver->version;
2760         for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2761                 val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2762                 *(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2763         }
2764
2765         memset(&mb_params, 0, sizeof(mb_params));
2766         mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2767         mb_params.p_data_src = &drv_version;
2768         mb_params.data_src_size = sizeof(drv_version);
2769         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2770         if (rc)
2771                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2772
2773         return rc;
2774 }
2775
2776 /* A maximal 100 msec waiting time for the MCP to halt */
2777 #define QED_MCP_HALT_SLEEP_MS           10
2778 #define QED_MCP_HALT_MAX_RETRIES        10
2779
2780 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2781 {
2782         u32 resp = 0, param = 0, cpu_state, cnt = 0;
2783         int rc;
2784
2785         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2786                          &param);
2787         if (rc) {
2788                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2789                 return rc;
2790         }
2791
2792         do {
2793                 msleep(QED_MCP_HALT_SLEEP_MS);
2794                 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2795                 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2796                         break;
2797         } while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2798
2799         if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2800                 DP_NOTICE(p_hwfn,
2801                           "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2802                           qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2803                 return -EBUSY;
2804         }
2805
2806         qed_mcp_cmd_set_blocking(p_hwfn, true);
2807
2808         return 0;
2809 }
2810
2811 #define QED_MCP_RESUME_SLEEP_MS 10
2812
2813 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2814 {
2815         u32 cpu_mode, cpu_state;
2816
2817         qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2818
2819         cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2820         cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2821         qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2822         msleep(QED_MCP_RESUME_SLEEP_MS);
2823         cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2824
2825         if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2826                 DP_NOTICE(p_hwfn,
2827                           "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2828                           cpu_mode, cpu_state);
2829                 return -EBUSY;
2830         }
2831
2832         qed_mcp_cmd_set_blocking(p_hwfn, false);
2833
2834         return 0;
2835 }
2836
2837 int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2838                                      struct qed_ptt *p_ptt,
2839                                      enum qed_ov_client client)
2840 {
2841         u32 resp = 0, param = 0;
2842         u32 drv_mb_param;
2843         int rc;
2844
2845         switch (client) {
2846         case QED_OV_CLIENT_DRV:
2847                 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2848                 break;
2849         case QED_OV_CLIENT_USER:
2850                 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2851                 break;
2852         case QED_OV_CLIENT_VENDOR_SPEC:
2853                 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2854                 break;
2855         default:
2856                 DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2857                 return -EINVAL;
2858         }
2859
2860         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2861                          drv_mb_param, &resp, &param);
2862         if (rc)
2863                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2864
2865         return rc;
2866 }
2867
2868 int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2869                                    struct qed_ptt *p_ptt,
2870                                    enum qed_ov_driver_state drv_state)
2871 {
2872         u32 resp = 0, param = 0;
2873         u32 drv_mb_param;
2874         int rc;
2875
2876         switch (drv_state) {
2877         case QED_OV_DRIVER_STATE_NOT_LOADED:
2878                 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2879                 break;
2880         case QED_OV_DRIVER_STATE_DISABLED:
2881                 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2882                 break;
2883         case QED_OV_DRIVER_STATE_ACTIVE:
2884                 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2885                 break;
2886         default:
2887                 DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2888                 return -EINVAL;
2889         }
2890
2891         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2892                          drv_mb_param, &resp, &param);
2893         if (rc)
2894                 DP_ERR(p_hwfn, "Failed to send driver state\n");
2895
2896         return rc;
2897 }
2898
2899 int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2900                           struct qed_ptt *p_ptt, u16 mtu)
2901 {
2902         u32 resp = 0, param = 0;
2903         u32 drv_mb_param;
2904         int rc;
2905
2906         drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2907         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2908                          drv_mb_param, &resp, &param);
2909         if (rc)
2910                 DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2911
2912         return rc;
2913 }
2914
2915 int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2916                           struct qed_ptt *p_ptt, const u8 *mac)
2917 {
2918         struct qed_mcp_mb_params mb_params;
2919         u32 mfw_mac[2];
2920         int rc;
2921
2922         memset(&mb_params, 0, sizeof(mb_params));
2923         mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2924         mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2925                           DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2926         mb_params.param |= MCP_PF_ID(p_hwfn);
2927
2928         /* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2929          * in 32-bit granularity.
2930          * So the MAC has to be set in native order [and not byte order],
2931          * otherwise it would be read incorrectly by MFW after swap.
2932          */
2933         mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2934         mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2935
2936         mb_params.p_data_src = (u8 *)mfw_mac;
2937         mb_params.data_src_size = 8;
2938         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2939         if (rc)
2940                 DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2941
2942         /* Store primary MAC for later possible WoL */
2943         memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2944
2945         return rc;
2946 }
2947
2948 int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2949                           struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2950 {
2951         u32 resp = 0, param = 0;
2952         u32 drv_mb_param;
2953         int rc;
2954
2955         if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2956                 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2957                            "Can't change WoL configuration when WoL isn't supported\n");
2958                 return -EINVAL;
2959         }
2960
2961         switch (wol) {
2962         case QED_OV_WOL_DEFAULT:
2963                 drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2964                 break;
2965         case QED_OV_WOL_DISABLED:
2966                 drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2967                 break;
2968         case QED_OV_WOL_ENABLED:
2969                 drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2970                 break;
2971         default:
2972                 DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2973                 return -EINVAL;
2974         }
2975
2976         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2977                          drv_mb_param, &resp, &param);
2978         if (rc)
2979                 DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2980
2981         /* Store the WoL update for a future unload */
2982         p_hwfn->cdev->wol_config = (u8)wol;
2983
2984         return rc;
2985 }
2986
2987 int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2988                               struct qed_ptt *p_ptt,
2989                               enum qed_ov_eswitch eswitch)
2990 {
2991         u32 resp = 0, param = 0;
2992         u32 drv_mb_param;
2993         int rc;
2994
2995         switch (eswitch) {
2996         case QED_OV_ESWITCH_NONE:
2997                 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2998                 break;
2999         case QED_OV_ESWITCH_VEB:
3000                 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
3001                 break;
3002         case QED_OV_ESWITCH_VEPA:
3003                 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
3004                 break;
3005         default:
3006                 DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
3007                 return -EINVAL;
3008         }
3009
3010         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
3011                          drv_mb_param, &resp, &param);
3012         if (rc)
3013                 DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
3014
3015         return rc;
3016 }
3017
3018 int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
3019                     struct qed_ptt *p_ptt, enum qed_led_mode mode)
3020 {
3021         u32 resp = 0, param = 0, drv_mb_param;
3022         int rc;
3023
3024         switch (mode) {
3025         case QED_LED_MODE_ON:
3026                 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
3027                 break;
3028         case QED_LED_MODE_OFF:
3029                 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
3030                 break;
3031         case QED_LED_MODE_RESTORE:
3032                 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
3033                 break;
3034         default:
3035                 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
3036                 return -EINVAL;
3037         }
3038
3039         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
3040                          drv_mb_param, &resp, &param);
3041
3042         return rc;
3043 }
3044
3045 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
3046                           struct qed_ptt *p_ptt, u32 mask_parities)
3047 {
3048         u32 resp = 0, param = 0;
3049         int rc;
3050
3051         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
3052                          mask_parities, &resp, &param);
3053
3054         if (rc) {
3055                 DP_ERR(p_hwfn,
3056                        "MCP response failure for mask parities, aborting\n");
3057         } else if (resp != FW_MSG_CODE_OK) {
3058                 DP_ERR(p_hwfn,
3059                        "MCP did not acknowledge mask parity request. Old MFW?\n");
3060                 rc = -EINVAL;
3061         }
3062
3063         return rc;
3064 }
3065
3066 int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
3067 {
3068         u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
3069         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3070         u32 resp = 0, resp_param = 0;
3071         struct qed_ptt *p_ptt;
3072         int rc = 0;
3073
3074         p_ptt = qed_ptt_acquire(p_hwfn);
3075         if (!p_ptt)
3076                 return -EBUSY;
3077
3078         while (bytes_left > 0) {
3079                 bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
3080
3081                 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3082                                         DRV_MSG_CODE_NVM_READ_NVRAM,
3083                                         addr + offset +
3084                                         (bytes_to_copy <<
3085                                          DRV_MB_PARAM_NVM_LEN_OFFSET),
3086                                         &resp, &resp_param,
3087                                         &read_len,
3088                                         (u32 *)(p_buf + offset), false);
3089
3090                 if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
3091                         DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
3092                         break;
3093                 }
3094
3095                 /* This can be a lengthy process, and it's possible scheduler
3096                  * isn't preemptible. Sleep a bit to prevent CPU hogging.
3097                  */
3098                 if (bytes_left % 0x1000 <
3099                     (bytes_left - read_len) % 0x1000)
3100                         usleep_range(1000, 2000);
3101
3102                 offset += read_len;
3103                 bytes_left -= read_len;
3104         }
3105
3106         cdev->mcp_nvm_resp = resp;
3107         qed_ptt_release(p_hwfn, p_ptt);
3108
3109         return rc;
3110 }
3111
3112 int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
3113 {
3114         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3115         struct qed_ptt *p_ptt;
3116
3117         p_ptt = qed_ptt_acquire(p_hwfn);
3118         if (!p_ptt)
3119                 return -EBUSY;
3120
3121         memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
3122         qed_ptt_release(p_hwfn, p_ptt);
3123
3124         return 0;
3125 }
3126
3127 int qed_mcp_nvm_write(struct qed_dev *cdev,
3128                       u32 cmd, u32 addr, u8 *p_buf, u32 len)
3129 {
3130         u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
3131         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3132         struct qed_ptt *p_ptt;
3133         int rc = -EINVAL;
3134
3135         p_ptt = qed_ptt_acquire(p_hwfn);
3136         if (!p_ptt)
3137                 return -EBUSY;
3138
3139         switch (cmd) {
3140         case QED_PUT_FILE_BEGIN:
3141                 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
3142                 break;
3143         case QED_PUT_FILE_DATA:
3144                 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
3145                 break;
3146         case QED_NVM_WRITE_NVRAM:
3147                 nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
3148                 break;
3149         default:
3150                 DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
3151                 rc = -EINVAL;
3152                 goto out;
3153         }
3154
3155         buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
3156         while (buf_idx < len) {
3157                 if (cmd == QED_PUT_FILE_BEGIN)
3158                         nvm_offset = addr;
3159                 else
3160                         nvm_offset = ((buf_size <<
3161                                        DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
3162                                        buf_idx;
3163                 rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
3164                                         &resp, &param, buf_size,
3165                                         (u32 *)&p_buf[buf_idx]);
3166                 if (rc) {
3167                         DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
3168                         resp = FW_MSG_CODE_ERROR;
3169                         break;
3170                 }
3171
3172                 if (resp != FW_MSG_CODE_OK &&
3173                     resp != FW_MSG_CODE_NVM_OK &&
3174                     resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
3175                         DP_NOTICE(cdev,
3176                                   "nvm write failed, resp = 0x%08x\n", resp);
3177                         rc = -EINVAL;
3178                         break;
3179                 }
3180
3181                 /* This can be a lengthy process, and it's possible scheduler
3182                  * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
3183                  */
3184                 if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
3185                         usleep_range(1000, 2000);
3186
3187                 /* For MBI upgrade, MFW response includes the next buffer offset
3188                  * to be delivered to MFW.
3189                  */
3190                 if (param && cmd == QED_PUT_FILE_DATA) {
3191                         buf_idx =
3192                         QED_MFW_GET_FIELD(param,
3193                                           FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
3194                         buf_size =
3195                         QED_MFW_GET_FIELD(param,
3196                                           FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
3197                 } else {
3198                         buf_idx += buf_size;
3199                         buf_size = min_t(u32, (len - buf_idx),
3200                                          MCP_DRV_NVM_BUF_LEN);
3201                 }
3202         }
3203
3204         cdev->mcp_nvm_resp = resp;
3205 out:
3206         qed_ptt_release(p_hwfn, p_ptt);
3207
3208         return rc;
3209 }
3210
3211 int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3212                          u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
3213 {
3214         u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
3215         u32 resp, param;
3216         int rc;
3217
3218         nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
3219                        DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
3220         nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
3221                        DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
3222
3223         addr = offset;
3224         offset = 0;
3225         bytes_left = len;
3226         while (bytes_left > 0) {
3227                 bytes_to_copy = min_t(u32, bytes_left,
3228                                       MAX_I2C_TRANSACTION_SIZE);
3229                 nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
3230                                DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
3231                 nvm_offset |= ((addr + offset) <<
3232                                DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
3233                                DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
3234                 nvm_offset |= (bytes_to_copy <<
3235                                DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
3236                                DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
3237                 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3238                                         DRV_MSG_CODE_TRANSCEIVER_READ,
3239                                         nvm_offset, &resp, &param, &buf_size,
3240                                         (u32 *)(p_buf + offset), true);
3241                 if (rc) {
3242                         DP_NOTICE(p_hwfn,
3243                                   "Failed to send a transceiver read command to the MFW. rc = %d.\n",
3244                                   rc);
3245                         return rc;
3246                 }
3247
3248                 if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
3249                         return -ENODEV;
3250                 else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
3251                         return -EINVAL;
3252
3253                 offset += buf_size;
3254                 bytes_left -= buf_size;
3255         }
3256
3257         return 0;
3258 }
3259
3260 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3261 {
3262         u32 drv_mb_param = 0, rsp, param;
3263         int rc = 0;
3264
3265         drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3266                         DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3267
3268         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3269                          drv_mb_param, &rsp, &param);
3270
3271         if (rc)
3272                 return rc;
3273
3274         if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3275             (param != DRV_MB_PARAM_BIST_RC_PASSED))
3276                 rc = -EAGAIN;
3277
3278         return rc;
3279 }
3280
3281 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3282 {
3283         u32 drv_mb_param, rsp, param;
3284         int rc = 0;
3285
3286         drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3287                         DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3288
3289         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3290                          drv_mb_param, &rsp, &param);
3291
3292         if (rc)
3293                 return rc;
3294
3295         if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3296             (param != DRV_MB_PARAM_BIST_RC_PASSED))
3297                 rc = -EAGAIN;
3298
3299         return rc;
3300 }
3301
3302 int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3303                                     struct qed_ptt *p_ptt,
3304                                     u32 *num_images)
3305 {
3306         u32 drv_mb_param = 0, rsp;
3307         int rc = 0;
3308
3309         drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3310                         DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3311
3312         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3313                          drv_mb_param, &rsp, num_images);
3314         if (rc)
3315                 return rc;
3316
3317         if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3318                 rc = -EINVAL;
3319
3320         return rc;
3321 }
3322
3323 int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3324                                    struct qed_ptt *p_ptt,
3325                                    struct bist_nvm_image_att *p_image_att,
3326                                    u32 image_index)
3327 {
3328         u32 buf_size = 0, param, resp = 0, resp_param = 0;
3329         int rc;
3330
3331         param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3332                 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3333         param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3334
3335         rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3336                                 DRV_MSG_CODE_BIST_TEST, param,
3337                                 &resp, &resp_param,
3338                                 &buf_size,
3339                                 (u32 *)p_image_att, false);
3340         if (rc)
3341                 return rc;
3342
3343         if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3344             (p_image_att->return_code != 1))
3345                 rc = -EINVAL;
3346
3347         return rc;
3348 }
3349
3350 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3351 {
3352         struct qed_nvm_image_info nvm_info;
3353         struct qed_ptt *p_ptt;
3354         int rc;
3355         u32 i;
3356
3357         if (p_hwfn->nvm_info.valid)
3358                 return 0;
3359
3360         p_ptt = qed_ptt_acquire(p_hwfn);
3361         if (!p_ptt) {
3362                 DP_ERR(p_hwfn, "failed to acquire ptt\n");
3363                 return -EBUSY;
3364         }
3365
3366         /* Acquire from MFW the amount of available images */
3367         nvm_info.num_images = 0;
3368         rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3369                                              p_ptt, &nvm_info.num_images);
3370         if (rc == -EOPNOTSUPP) {
3371                 DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3372                 goto out;
3373         } else if (rc || !nvm_info.num_images) {
3374                 DP_ERR(p_hwfn, "Failed getting number of images\n");
3375                 goto err0;
3376         }
3377
3378         nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3379                                            sizeof(struct bist_nvm_image_att),
3380                                            GFP_KERNEL);
3381         if (!nvm_info.image_att) {
3382                 rc = -ENOMEM;
3383                 goto err0;
3384         }
3385
3386         /* Iterate over images and get their attributes */
3387         for (i = 0; i < nvm_info.num_images; i++) {
3388                 rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3389                                                     &nvm_info.image_att[i], i);
3390                 if (rc) {
3391                         DP_ERR(p_hwfn,
3392                                "Failed getting image index %d attributes\n", i);
3393                         goto err1;
3394                 }
3395
3396                 DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3397                            nvm_info.image_att[i].len);
3398         }
3399 out:
3400         /* Update hwfn's nvm_info */
3401         if (nvm_info.num_images) {
3402                 p_hwfn->nvm_info.num_images = nvm_info.num_images;
3403                 kfree(p_hwfn->nvm_info.image_att);
3404                 p_hwfn->nvm_info.image_att = nvm_info.image_att;
3405                 p_hwfn->nvm_info.valid = true;
3406         }
3407
3408         qed_ptt_release(p_hwfn, p_ptt);
3409         return 0;
3410
3411 err1:
3412         kfree(nvm_info.image_att);
3413 err0:
3414         qed_ptt_release(p_hwfn, p_ptt);
3415         return rc;
3416 }
3417
3418 void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
3419 {
3420         kfree(p_hwfn->nvm_info.image_att);
3421         p_hwfn->nvm_info.image_att = NULL;
3422         p_hwfn->nvm_info.valid = false;
3423 }
3424
3425 int
3426 qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3427                           enum qed_nvm_images image_id,
3428                           struct qed_nvm_image_att *p_image_att)
3429 {
3430         enum nvm_image_type type;
3431         int rc;
3432         u32 i;
3433
3434         /* Translate image_id into MFW definitions */
3435         switch (image_id) {
3436         case QED_NVM_IMAGE_ISCSI_CFG:
3437                 type = NVM_TYPE_ISCSI_CFG;
3438                 break;
3439         case QED_NVM_IMAGE_FCOE_CFG:
3440                 type = NVM_TYPE_FCOE_CFG;
3441                 break;
3442         case QED_NVM_IMAGE_MDUMP:
3443                 type = NVM_TYPE_MDUMP;
3444                 break;
3445         case QED_NVM_IMAGE_NVM_CFG1:
3446                 type = NVM_TYPE_NVM_CFG1;
3447                 break;
3448         case QED_NVM_IMAGE_DEFAULT_CFG:
3449                 type = NVM_TYPE_DEFAULT_CFG;
3450                 break;
3451         case QED_NVM_IMAGE_NVM_META:
3452                 type = NVM_TYPE_NVM_META;
3453                 break;
3454         default:
3455                 DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3456                           image_id);
3457                 return -EINVAL;
3458         }
3459
3460         rc = qed_mcp_nvm_info_populate(p_hwfn);
3461         if (rc)
3462                 return rc;
3463
3464         for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3465                 if (type == p_hwfn->nvm_info.image_att[i].image_type)
3466                         break;
3467         if (i == p_hwfn->nvm_info.num_images) {
3468                 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3469                            "Failed to find nvram image of type %08x\n",
3470                            image_id);
3471                 return -ENOENT;
3472         }
3473
3474         p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3475         p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3476
3477         return 0;
3478 }
3479
3480 int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3481                           enum qed_nvm_images image_id,
3482                           u8 *p_buffer, u32 buffer_len)
3483 {
3484         struct qed_nvm_image_att image_att;
3485         int rc;
3486
3487         memset(p_buffer, 0, buffer_len);
3488
3489         rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3490         if (rc)
3491                 return rc;
3492
3493         /* Validate sizes - both the image's and the supplied buffer's */
3494         if (image_att.length <= 4) {
3495                 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3496                            "Image [%d] is too small - only %d bytes\n",
3497                            image_id, image_att.length);
3498                 return -EINVAL;
3499         }
3500
3501         if (image_att.length > buffer_len) {
3502                 DP_VERBOSE(p_hwfn,
3503                            QED_MSG_STORAGE,
3504                            "Image [%d] is too big - %08x bytes where only %08x are available\n",
3505                            image_id, image_att.length, buffer_len);
3506                 return -ENOMEM;
3507         }
3508
3509         return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3510                                 p_buffer, image_att.length);
3511 }
3512
3513 static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3514 {
3515         enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3516
3517         switch (res_id) {
3518         case QED_SB:
3519                 mfw_res_id = RESOURCE_NUM_SB_E;
3520                 break;
3521         case QED_L2_QUEUE:
3522                 mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3523                 break;
3524         case QED_VPORT:
3525                 mfw_res_id = RESOURCE_NUM_VPORT_E;
3526                 break;
3527         case QED_RSS_ENG:
3528                 mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3529                 break;
3530         case QED_PQ:
3531                 mfw_res_id = RESOURCE_NUM_PQ_E;
3532                 break;
3533         case QED_RL:
3534                 mfw_res_id = RESOURCE_NUM_RL_E;
3535                 break;
3536         case QED_MAC:
3537         case QED_VLAN:
3538                 /* Each VFC resource can accommodate both a MAC and a VLAN */
3539                 mfw_res_id = RESOURCE_VFC_FILTER_E;
3540                 break;
3541         case QED_ILT:
3542                 mfw_res_id = RESOURCE_ILT_E;
3543                 break;
3544         case QED_LL2_RAM_QUEUE:
3545                 mfw_res_id = RESOURCE_LL2_QUEUE_E;
3546                 break;
3547         case QED_LL2_CTX_QUEUE:
3548                 mfw_res_id = RESOURCE_LL2_CQS_E;
3549                 break;
3550         case QED_RDMA_CNQ_RAM:
3551         case QED_CMDQS_CQS:
3552                 /* CNQ/CMDQS are the same resource */
3553                 mfw_res_id = RESOURCE_CQS_E;
3554                 break;
3555         case QED_RDMA_STATS_QUEUE:
3556                 mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3557                 break;
3558         case QED_BDQ:
3559                 mfw_res_id = RESOURCE_BDQ_E;
3560                 break;
3561         default:
3562                 break;
3563         }
3564
3565         return mfw_res_id;
3566 }
3567
3568 #define QED_RESC_ALLOC_VERSION_MAJOR    2
3569 #define QED_RESC_ALLOC_VERSION_MINOR    0
3570 #define QED_RESC_ALLOC_VERSION                               \
3571         ((QED_RESC_ALLOC_VERSION_MAJOR <<                    \
3572           DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3573          (QED_RESC_ALLOC_VERSION_MINOR <<                    \
3574           DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3575
3576 struct qed_resc_alloc_in_params {
3577         u32 cmd;
3578         enum qed_resources res_id;
3579         u32 resc_max_val;
3580 };
3581
3582 struct qed_resc_alloc_out_params {
3583         u32 mcp_resp;
3584         u32 mcp_param;
3585         u32 resc_num;
3586         u32 resc_start;
3587         u32 vf_resc_num;
3588         u32 vf_resc_start;
3589         u32 flags;
3590 };
3591
3592 static int
3593 qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3594                             struct qed_ptt *p_ptt,
3595                             struct qed_resc_alloc_in_params *p_in_params,
3596                             struct qed_resc_alloc_out_params *p_out_params)
3597 {
3598         struct qed_mcp_mb_params mb_params;
3599         struct resource_info mfw_resc_info;
3600         int rc;
3601
3602         memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3603
3604         mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3605         if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3606                 DP_ERR(p_hwfn,
3607                        "Failed to match resource %d [%s] with the MFW resources\n",
3608                        p_in_params->res_id,
3609                        qed_hw_get_resc_name(p_in_params->res_id));
3610                 return -EINVAL;
3611         }
3612
3613         switch (p_in_params->cmd) {
3614         case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3615                 mfw_resc_info.size = p_in_params->resc_max_val;
3616                 fallthrough;
3617         case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3618                 break;
3619         default:
3620                 DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3621                        p_in_params->cmd);
3622                 return -EINVAL;
3623         }
3624
3625         memset(&mb_params, 0, sizeof(mb_params));
3626         mb_params.cmd = p_in_params->cmd;
3627         mb_params.param = QED_RESC_ALLOC_VERSION;
3628         mb_params.p_data_src = &mfw_resc_info;
3629         mb_params.data_src_size = sizeof(mfw_resc_info);
3630         mb_params.p_data_dst = mb_params.p_data_src;
3631         mb_params.data_dst_size = mb_params.data_src_size;
3632
3633         DP_VERBOSE(p_hwfn,
3634                    QED_MSG_SP,
3635                    "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3636                    p_in_params->cmd,
3637                    p_in_params->res_id,
3638                    qed_hw_get_resc_name(p_in_params->res_id),
3639                    QED_MFW_GET_FIELD(mb_params.param,
3640                                      DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3641                    QED_MFW_GET_FIELD(mb_params.param,
3642                                      DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3643                    p_in_params->resc_max_val);
3644
3645         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3646         if (rc)
3647                 return rc;
3648
3649         p_out_params->mcp_resp = mb_params.mcp_resp;
3650         p_out_params->mcp_param = mb_params.mcp_param;
3651         p_out_params->resc_num = mfw_resc_info.size;
3652         p_out_params->resc_start = mfw_resc_info.offset;
3653         p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3654         p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3655         p_out_params->flags = mfw_resc_info.flags;
3656
3657         DP_VERBOSE(p_hwfn,
3658                    QED_MSG_SP,
3659                    "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_start 0x%x, flags 0x%08x\n",
3660                    QED_MFW_GET_FIELD(p_out_params->mcp_param,
3661                                      FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3662                    QED_MFW_GET_FIELD(p_out_params->mcp_param,
3663                                      FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3664                    p_out_params->resc_num,
3665                    p_out_params->resc_start,
3666                    p_out_params->vf_resc_num,
3667                    p_out_params->vf_resc_start, p_out_params->flags);
3668
3669         return 0;
3670 }
3671
3672 int
3673 qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3674                          struct qed_ptt *p_ptt,
3675                          enum qed_resources res_id,
3676                          u32 resc_max_val, u32 *p_mcp_resp)
3677 {
3678         struct qed_resc_alloc_out_params out_params;
3679         struct qed_resc_alloc_in_params in_params;
3680         int rc;
3681
3682         memset(&in_params, 0, sizeof(in_params));
3683         in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3684         in_params.res_id = res_id;
3685         in_params.resc_max_val = resc_max_val;
3686         memset(&out_params, 0, sizeof(out_params));
3687         rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3688                                          &out_params);
3689         if (rc)
3690                 return rc;
3691
3692         *p_mcp_resp = out_params.mcp_resp;
3693
3694         return 0;
3695 }
3696
3697 int
3698 qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3699                       struct qed_ptt *p_ptt,
3700                       enum qed_resources res_id,
3701                       u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3702 {
3703         struct qed_resc_alloc_out_params out_params;
3704         struct qed_resc_alloc_in_params in_params;
3705         int rc;
3706
3707         memset(&in_params, 0, sizeof(in_params));
3708         in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3709         in_params.res_id = res_id;
3710         memset(&out_params, 0, sizeof(out_params));
3711         rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3712                                          &out_params);
3713         if (rc)
3714                 return rc;
3715
3716         *p_mcp_resp = out_params.mcp_resp;
3717
3718         if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3719                 *p_resc_num = out_params.resc_num;
3720                 *p_resc_start = out_params.resc_start;
3721         }
3722
3723         return 0;
3724 }
3725
3726 int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3727 {
3728         u32 mcp_resp, mcp_param;
3729
3730         return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3731                            &mcp_resp, &mcp_param);
3732 }
3733
3734 static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3735                                 struct qed_ptt *p_ptt,
3736                                 u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3737 {
3738         int rc;
3739
3740         rc = qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD,
3741                                  param, p_mcp_resp, p_mcp_param);
3742         if (rc)
3743                 return rc;
3744
3745         if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3746                 DP_INFO(p_hwfn,
3747                         "The resource command is unsupported by the MFW\n");
3748                 return -EINVAL;
3749         }
3750
3751         if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3752                 u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3753
3754                 DP_NOTICE(p_hwfn,
3755                           "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3756                           param, opcode);
3757                 return -EINVAL;
3758         }
3759
3760         return rc;
3761 }
3762
3763 static int
3764 __qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3765                     struct qed_ptt *p_ptt,
3766                     struct qed_resc_lock_params *p_params)
3767 {
3768         u32 param = 0, mcp_resp, mcp_param;
3769         u8 opcode;
3770         int rc;
3771
3772         switch (p_params->timeout) {
3773         case QED_MCP_RESC_LOCK_TO_DEFAULT:
3774                 opcode = RESOURCE_OPCODE_REQ;
3775                 p_params->timeout = 0;
3776                 break;
3777         case QED_MCP_RESC_LOCK_TO_NONE:
3778                 opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3779                 p_params->timeout = 0;
3780                 break;
3781         default:
3782                 opcode = RESOURCE_OPCODE_REQ_W_AGING;
3783                 break;
3784         }
3785
3786         QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3787         QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3788         QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3789
3790         DP_VERBOSE(p_hwfn,
3791                    QED_MSG_SP,
3792                    "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3793                    param, p_params->timeout, opcode, p_params->resource);
3794
3795         /* Attempt to acquire the resource */
3796         rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3797         if (rc)
3798                 return rc;
3799
3800         /* Analyze the response */
3801         p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3802         opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3803
3804         DP_VERBOSE(p_hwfn,
3805                    QED_MSG_SP,
3806                    "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3807                    mcp_param, opcode, p_params->owner);
3808
3809         switch (opcode) {
3810         case RESOURCE_OPCODE_GNT:
3811                 p_params->b_granted = true;
3812                 break;
3813         case RESOURCE_OPCODE_BUSY:
3814                 p_params->b_granted = false;
3815                 break;
3816         default:
3817                 DP_NOTICE(p_hwfn,
3818                           "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3819                           mcp_param, opcode);
3820                 return -EINVAL;
3821         }
3822
3823         return 0;
3824 }
3825
3826 int
3827 qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3828                   struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3829 {
3830         u32 retry_cnt = 0;
3831         int rc;
3832
3833         do {
3834                 /* No need for an interval before the first iteration */
3835                 if (retry_cnt) {
3836                         if (p_params->sleep_b4_retry) {
3837                                 u16 retry_interval_in_ms =
3838                                     DIV_ROUND_UP(p_params->retry_interval,
3839                                                  1000);
3840
3841                                 msleep(retry_interval_in_ms);
3842                         } else {
3843                                 udelay(p_params->retry_interval);
3844                         }
3845                 }
3846
3847                 rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3848                 if (rc)
3849                         return rc;
3850
3851                 if (p_params->b_granted)
3852                         break;
3853         } while (retry_cnt++ < p_params->retry_num);
3854
3855         return 0;
3856 }
3857
3858 int
3859 qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3860                     struct qed_ptt *p_ptt,
3861                     struct qed_resc_unlock_params *p_params)
3862 {
3863         u32 param = 0, mcp_resp, mcp_param;
3864         u8 opcode;
3865         int rc;
3866
3867         opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3868                                    : RESOURCE_OPCODE_RELEASE;
3869         QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3870         QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3871
3872         DP_VERBOSE(p_hwfn, QED_MSG_SP,
3873                    "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3874                    param, opcode, p_params->resource);
3875
3876         /* Attempt to release the resource */
3877         rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3878         if (rc)
3879                 return rc;
3880
3881         /* Analyze the response */
3882         opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3883
3884         DP_VERBOSE(p_hwfn, QED_MSG_SP,
3885                    "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3886                    mcp_param, opcode);
3887
3888         switch (opcode) {
3889         case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3890                 DP_INFO(p_hwfn,
3891                         "Resource unlock request for an already released resource [%d]\n",
3892                         p_params->resource);
3893                 fallthrough;
3894         case RESOURCE_OPCODE_RELEASED:
3895                 p_params->b_released = true;
3896                 break;
3897         case RESOURCE_OPCODE_WRONG_OWNER:
3898                 p_params->b_released = false;
3899                 break;
3900         default:
3901                 DP_NOTICE(p_hwfn,
3902                           "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3903                           mcp_param, opcode);
3904                 return -EINVAL;
3905         }
3906
3907         return 0;
3908 }
3909
3910 void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3911                                     struct qed_resc_unlock_params *p_unlock,
3912                                     enum qed_resc_lock
3913                                     resource, bool b_is_permanent)
3914 {
3915         if (p_lock) {
3916                 memset(p_lock, 0, sizeof(*p_lock));
3917
3918                 /* Permanent resources don't require aging, and there's no
3919                  * point in trying to acquire them more than once since it's
3920                  * unexpected another entity would release them.
3921                  */
3922                 if (b_is_permanent) {
3923                         p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3924                 } else {
3925                         p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3926                         p_lock->retry_interval =
3927                             QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3928                         p_lock->sleep_b4_retry = true;
3929                 }
3930
3931                 p_lock->resource = resource;
3932         }
3933
3934         if (p_unlock) {
3935                 memset(p_unlock, 0, sizeof(*p_unlock));
3936                 p_unlock->resource = resource;
3937         }
3938 }
3939
3940 bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3941 {
3942         return !!(p_hwfn->mcp_info->capabilities &
3943                   FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3944 }
3945
3946 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3947 {
3948         u32 mcp_resp;
3949         int rc;
3950
3951         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3952                          0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3953         if (!rc)
3954                 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3955                            "MFW supported features: %08x\n",
3956                            p_hwfn->mcp_info->capabilities);
3957
3958         return rc;
3959 }
3960
3961 int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3962 {
3963         u32 mcp_resp, mcp_param, features;
3964
3965         features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3966                    DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK |
3967                    DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL;
3968
3969         return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3970                            features, &mcp_resp, &mcp_param);
3971 }
3972
3973 int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3974 {
3975         struct qed_mcp_mb_params mb_params = {0};
3976         struct qed_dev *cdev = p_hwfn->cdev;
3977         u8 fir_valid, l2_valid;
3978         int rc;
3979
3980         mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3981         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3982         if (rc)
3983                 return rc;
3984
3985         if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3986                 DP_INFO(p_hwfn,
3987                         "The get_engine_config command is unsupported by the MFW\n");
3988                 return -EOPNOTSUPP;
3989         }
3990
3991         fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3992                                       FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3993         if (fir_valid)
3994                 cdev->fir_affin =
3995                     QED_MFW_GET_FIELD(mb_params.mcp_param,
3996                                       FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3997
3998         l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3999                                      FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
4000         if (l2_valid)
4001                 cdev->l2_affin_hint =
4002                     QED_MFW_GET_FIELD(mb_params.mcp_param,
4003                                       FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
4004
4005         DP_INFO(p_hwfn,
4006                 "Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
4007                 fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
4008
4009         return 0;
4010 }
4011
4012 int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4013 {
4014         struct qed_mcp_mb_params mb_params = {0};
4015         struct qed_dev *cdev = p_hwfn->cdev;
4016         int rc;
4017
4018         mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
4019         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4020         if (rc)
4021                 return rc;
4022
4023         if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4024                 DP_INFO(p_hwfn,
4025                         "The get_ppfid_bitmap command is unsupported by the MFW\n");
4026                 return -EOPNOTSUPP;
4027         }
4028
4029         cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
4030                                                FW_MB_PARAM_PPFID_BITMAP);
4031
4032         DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
4033                    cdev->ppfid_bitmap);
4034
4035         return 0;
4036 }
4037
4038 int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4039                         u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4040                         u32 *p_len)
4041 {
4042         u32 mb_param = 0, resp, param;
4043         int rc;
4044
4045         QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4046         if (flags & QED_NVM_CFG_OPTION_INIT)
4047                 QED_MFW_SET_FIELD(mb_param,
4048                                   DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4049         if (flags & QED_NVM_CFG_OPTION_FREE)
4050                 QED_MFW_SET_FIELD(mb_param,
4051                                   DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4052         if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4053                 QED_MFW_SET_FIELD(mb_param,
4054                                   DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4055                 QED_MFW_SET_FIELD(mb_param,
4056                                   DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4057                                   entity_id);
4058         }
4059
4060         rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
4061                                 DRV_MSG_CODE_GET_NVM_CFG_OPTION,
4062                                 mb_param, &resp, &param, p_len,
4063                                 (u32 *)p_buf, false);
4064
4065         return rc;
4066 }
4067
4068 int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4069                         u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4070                         u32 len)
4071 {
4072         u32 mb_param = 0, resp, param;
4073
4074         QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4075         if (flags & QED_NVM_CFG_OPTION_ALL)
4076                 QED_MFW_SET_FIELD(mb_param,
4077                                   DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
4078         if (flags & QED_NVM_CFG_OPTION_INIT)
4079                 QED_MFW_SET_FIELD(mb_param,
4080                                   DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4081         if (flags & QED_NVM_CFG_OPTION_COMMIT)
4082                 QED_MFW_SET_FIELD(mb_param,
4083                                   DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
4084         if (flags & QED_NVM_CFG_OPTION_FREE)
4085                 QED_MFW_SET_FIELD(mb_param,
4086                                   DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4087         if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4088                 QED_MFW_SET_FIELD(mb_param,
4089                                   DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4090                 QED_MFW_SET_FIELD(mb_param,
4091                                   DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4092                                   entity_id);
4093         }
4094
4095         return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
4096                                   DRV_MSG_CODE_SET_NVM_CFG_OPTION,
4097                                   mb_param, &resp, &param, len, (u32 *)p_buf);
4098 }
4099
4100 #define QED_MCP_DBG_DATA_MAX_SIZE               MCP_DRV_NVM_BUF_LEN
4101 #define QED_MCP_DBG_DATA_MAX_HEADER_SIZE        sizeof(u32)
4102 #define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
4103         (QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
4104
4105 static int
4106 __qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4107                           struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
4108 {
4109         struct qed_mcp_mb_params mb_params;
4110         int rc;
4111
4112         if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
4113                 DP_ERR(p_hwfn,
4114                        "Debug data size is %d while it should not exceed %d\n",
4115                        size, QED_MCP_DBG_DATA_MAX_SIZE);
4116                 return -EINVAL;
4117         }
4118
4119         memset(&mb_params, 0, sizeof(mb_params));
4120         mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
4121         SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
4122         mb_params.p_data_src = p_buf;
4123         mb_params.data_src_size = size;
4124         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4125         if (rc)
4126                 return rc;
4127
4128         if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4129                 DP_INFO(p_hwfn,
4130                         "The DEBUG_DATA_SEND command is unsupported by the MFW\n");
4131                 return -EOPNOTSUPP;
4132         } else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
4133                 DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
4134                 return -EBUSY;
4135         } else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
4136                 DP_NOTICE(p_hwfn,
4137                           "Failed to send debug data to the MFW [resp 0x%08x]\n",
4138                           mb_params.mcp_resp);
4139                 return -EINVAL;
4140         }
4141
4142         return 0;
4143 }
4144
4145 enum qed_mcp_dbg_data_type {
4146         QED_MCP_DBG_DATA_TYPE_RAW,
4147 };
4148
4149 /* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
4150 #define QED_MCP_DBG_DATA_HDR_SN_OFFSET  0
4151 #define QED_MCP_DBG_DATA_HDR_SN_MASK            0x00000fff
4152 #define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET        12
4153 #define QED_MCP_DBG_DATA_HDR_TYPE_MASK  0x000ff000
4154 #define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET       20
4155 #define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
4156 #define QED_MCP_DBG_DATA_HDR_PF_OFFSET  28
4157 #define QED_MCP_DBG_DATA_HDR_PF_MASK            0xf0000000
4158
4159 #define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST        0x1
4160 #define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
4161
4162 static int
4163 qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4164                         struct qed_ptt *p_ptt,
4165                         enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
4166 {
4167         u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
4168         u32 tmp_size = size, *p_header, *p_payload;
4169         u8 flags = 0;
4170         u16 seq;
4171         int rc;
4172
4173         p_header = (u32 *)raw_data;
4174         p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
4175
4176         seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
4177
4178         /* First chunk is marked as 'first' */
4179         flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4180
4181         *p_header = 0;
4182         SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
4183         SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
4184         SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4185         SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
4186
4187         while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
4188                 memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
4189                 rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4190                                                QED_MCP_DBG_DATA_MAX_SIZE);
4191                 if (rc)
4192                         return rc;
4193
4194                 /* Clear the 'first' marking after sending the first chunk */
4195                 if (p_tmp_buf == p_buf) {
4196                         flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4197                         SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
4198                                       flags);
4199                 }
4200
4201                 p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4202                 tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4203         }
4204
4205         /* Last chunk is marked as 'last' */
4206         flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
4207         SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4208         memcpy(p_payload, p_tmp_buf, tmp_size);
4209
4210         /* Casting the left size to u8 is ok since at this point it is <= 32 */
4211         return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4212                                          (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
4213                                          tmp_size));
4214 }
4215
4216 int
4217 qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
4218                             struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
4219 {
4220         return qed_mcp_send_debug_data(p_hwfn, p_ptt,
4221                                        QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
4222 }
4223
4224 bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn)
4225 {
4226         return !!(p_hwfn->mcp_info->capabilities &
4227                   FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK);
4228 }
4229
4230 int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active)
4231 {
4232         u32 resp = 0, param = 0;
4233         int rc;
4234
4235         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, &param);
4236         if (rc) {
4237                 DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc);
4238                 return rc;
4239         }
4240
4241         *active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED);
4242
4243         return 0;
4244 }
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