New upstream version 18.05
[deb_dpdk.git] / drivers / net / qede / base / ecore_dev.c
1 /*
2  * Copyright (c) 2016 - 2018 Cavium Inc.
3  * All rights reserved.
4  * www.cavium.com
5  *
6  * See LICENSE.qede_pmd for copyright and licensing details.
7  */
8
9 #include "bcm_osal.h"
10 #include "reg_addr.h"
11 #include "ecore_gtt_reg_addr.h"
12 #include "ecore.h"
13 #include "ecore_chain.h"
14 #include "ecore_status.h"
15 #include "ecore_hw.h"
16 #include "ecore_rt_defs.h"
17 #include "ecore_init_ops.h"
18 #include "ecore_int.h"
19 #include "ecore_cxt.h"
20 #include "ecore_spq.h"
21 #include "ecore_init_fw_funcs.h"
22 #include "ecore_sp_commands.h"
23 #include "ecore_dev_api.h"
24 #include "ecore_sriov.h"
25 #include "ecore_vf.h"
26 #include "ecore_mcp.h"
27 #include "ecore_hw_defs.h"
28 #include "mcp_public.h"
29 #include "ecore_iro.h"
30 #include "nvm_cfg.h"
31 #include "ecore_dcbx.h"
32 #include "ecore_l2.h"
33
34 /* TODO - there's a bug in DCBx re-configuration flows in MF, as the QM
35  * registers involved are not split and thus configuration is a race where
36  * some of the PFs configuration might be lost.
37  * Eventually, this needs to move into a MFW-covered HW-lock as arbitration
38  * mechanism as this doesn't cover some cases [E.g., PDA or scenarios where
39  * there's more than a single compiled ecore component in system].
40  */
41 static osal_spinlock_t qm_lock;
42 static u32 qm_lock_ref_cnt;
43
44 /******************** Doorbell Recovery *******************/
45 /* The doorbell recovery mechanism consists of a list of entries which represent
46  * doorbelling entities (l2 queues, roce sq/rq/cqs, the slowpath spq, etc). Each
47  * entity needs to register with the mechanism and provide the parameters
48  * describing it's doorbell, including a location where last used doorbell data
49  * can be found. The doorbell execute function will traverse the list and
50  * doorbell all of the registered entries.
51  */
52 struct ecore_db_recovery_entry {
53         osal_list_entry_t       list_entry;
54         void OSAL_IOMEM         *db_addr;
55         void                    *db_data;
56         enum ecore_db_rec_width db_width;
57         enum ecore_db_rec_space db_space;
58         u8                      hwfn_idx;
59 };
60
61 /* display a single doorbell recovery entry */
62 void ecore_db_recovery_dp_entry(struct ecore_hwfn *p_hwfn,
63                                 struct ecore_db_recovery_entry *db_entry,
64                                 const char *action)
65 {
66         DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "(%s: db_entry %p, addr %p, data %p, width %s, %s space, hwfn %d)\n",
67                    action, db_entry, db_entry->db_addr, db_entry->db_data,
68                    db_entry->db_width == DB_REC_WIDTH_32B ? "32b" : "64b",
69                    db_entry->db_space == DB_REC_USER ? "user" : "kernel",
70                    db_entry->hwfn_idx);
71 }
72
73 /* doorbell address sanity (address within doorbell bar range) */
74 bool ecore_db_rec_sanity(struct ecore_dev *p_dev, void OSAL_IOMEM *db_addr,
75                          void *db_data)
76 {
77         /* make sure doorbell address  is within the doorbell bar */
78         if (db_addr < p_dev->doorbells || (u8 *)db_addr >
79                         (u8 *)p_dev->doorbells + p_dev->db_size) {
80                 OSAL_WARN(true,
81                           "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n",
82                           db_addr, p_dev->doorbells,
83                           (u8 *)p_dev->doorbells + p_dev->db_size);
84                 return false;
85         }
86
87         /* make sure doorbell data pointer is not null */
88         if (!db_data) {
89                 OSAL_WARN(true, "Illegal doorbell data pointer: %p", db_data);
90                 return false;
91         }
92
93         return true;
94 }
95
96 /* find hwfn according to the doorbell address */
97 struct ecore_hwfn *ecore_db_rec_find_hwfn(struct ecore_dev *p_dev,
98                                           void OSAL_IOMEM *db_addr)
99 {
100         struct ecore_hwfn *p_hwfn;
101
102         /* In CMT doorbell bar is split down the middle between engine 0 and
103          * enigne 1
104          */
105         if (ECORE_IS_CMT(p_dev))
106                 p_hwfn = db_addr < p_dev->hwfns[1].doorbells ?
107                         &p_dev->hwfns[0] : &p_dev->hwfns[1];
108         else
109                 p_hwfn = ECORE_LEADING_HWFN(p_dev);
110
111         return p_hwfn;
112 }
113
114 /* add a new entry to the doorbell recovery mechanism */
115 enum _ecore_status_t ecore_db_recovery_add(struct ecore_dev *p_dev,
116                                            void OSAL_IOMEM *db_addr,
117                                            void *db_data,
118                                            enum ecore_db_rec_width db_width,
119                                            enum ecore_db_rec_space db_space)
120 {
121         struct ecore_db_recovery_entry *db_entry;
122         struct ecore_hwfn *p_hwfn;
123
124         /* shortcircuit VFs, for now */
125         if (IS_VF(p_dev)) {
126                 DP_VERBOSE(p_dev, ECORE_MSG_IOV, "db recovery - skipping VF doorbell\n");
127                 return ECORE_SUCCESS;
128         }
129
130         /* sanitize doorbell address */
131         if (!ecore_db_rec_sanity(p_dev, db_addr, db_data))
132                 return ECORE_INVAL;
133
134         /* obtain hwfn from doorbell address */
135         p_hwfn = ecore_db_rec_find_hwfn(p_dev, db_addr);
136
137         /* create entry */
138         db_entry = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*db_entry));
139         if (!db_entry) {
140                 DP_NOTICE(p_dev, false, "Failed to allocate a db recovery entry\n");
141                 return ECORE_NOMEM;
142         }
143
144         /* populate entry */
145         db_entry->db_addr = db_addr;
146         db_entry->db_data = db_data;
147         db_entry->db_width = db_width;
148         db_entry->db_space = db_space;
149         db_entry->hwfn_idx = p_hwfn->my_id;
150
151         /* display */
152         ecore_db_recovery_dp_entry(p_hwfn, db_entry, "Adding");
153
154         /* protect the list */
155         OSAL_SPIN_LOCK(&p_hwfn->db_recovery_info.lock);
156         OSAL_LIST_PUSH_TAIL(&db_entry->list_entry,
157                             &p_hwfn->db_recovery_info.list);
158         OSAL_SPIN_UNLOCK(&p_hwfn->db_recovery_info.lock);
159
160         return ECORE_SUCCESS;
161 }
162
163 /* remove an entry from the doorbell recovery mechanism */
164 enum _ecore_status_t ecore_db_recovery_del(struct ecore_dev *p_dev,
165                                            void OSAL_IOMEM *db_addr,
166                                            void *db_data)
167 {
168         struct ecore_db_recovery_entry *db_entry = OSAL_NULL;
169         enum _ecore_status_t rc = ECORE_INVAL;
170         struct ecore_hwfn *p_hwfn;
171
172         /* shortcircuit VFs, for now */
173         if (IS_VF(p_dev)) {
174                 DP_VERBOSE(p_dev, ECORE_MSG_IOV, "db recovery - skipping VF doorbell\n");
175                 return ECORE_SUCCESS;
176         }
177
178         /* sanitize doorbell address */
179         if (!ecore_db_rec_sanity(p_dev, db_addr, db_data))
180                 return ECORE_INVAL;
181
182         /* obtain hwfn from doorbell address */
183         p_hwfn = ecore_db_rec_find_hwfn(p_dev, db_addr);
184
185         /* protect the list */
186         OSAL_SPIN_LOCK(&p_hwfn->db_recovery_info.lock);
187         OSAL_LIST_FOR_EACH_ENTRY(db_entry,
188                                  &p_hwfn->db_recovery_info.list,
189                                  list_entry,
190                                  struct ecore_db_recovery_entry) {
191                 /* search according to db_data addr since db_addr is not unique
192                  * (roce)
193                  */
194                 if (db_entry->db_data == db_data) {
195                         ecore_db_recovery_dp_entry(p_hwfn, db_entry,
196                                                    "Deleting");
197                         OSAL_LIST_REMOVE_ENTRY(&db_entry->list_entry,
198                                                &p_hwfn->db_recovery_info.list);
199                         rc = ECORE_SUCCESS;
200                         break;
201                 }
202         }
203
204         OSAL_SPIN_UNLOCK(&p_hwfn->db_recovery_info.lock);
205
206         if (rc == ECORE_INVAL)
207                 /*OSAL_WARN(true,*/
208                 DP_NOTICE(p_hwfn, false,
209                           "Failed to find element in list. Key (db_data addr) was %p. db_addr was %p\n",
210                           db_data, db_addr);
211         else
212                 OSAL_FREE(p_dev, db_entry);
213
214         return rc;
215 }
216
217 /* initialize the doorbell recovery mechanism */
218 enum _ecore_status_t ecore_db_recovery_setup(struct ecore_hwfn *p_hwfn)
219 {
220         DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "Setting up db recovery\n");
221
222         /* make sure db_size was set in p_dev */
223         if (!p_hwfn->p_dev->db_size) {
224                 DP_ERR(p_hwfn->p_dev, "db_size not set\n");
225                 return ECORE_INVAL;
226         }
227
228         OSAL_LIST_INIT(&p_hwfn->db_recovery_info.list);
229 #ifdef CONFIG_ECORE_LOCK_ALLOC
230         if (OSAL_SPIN_LOCK_ALLOC(p_hwfn, &p_hwfn->db_recovery_info.lock))
231                 return ECORE_NOMEM;
232 #endif
233         OSAL_SPIN_LOCK_INIT(&p_hwfn->db_recovery_info.lock);
234         p_hwfn->db_recovery_info.db_recovery_counter = 0;
235
236         return ECORE_SUCCESS;
237 }
238
239 /* destroy the doorbell recovery mechanism */
240 void ecore_db_recovery_teardown(struct ecore_hwfn *p_hwfn)
241 {
242         struct ecore_db_recovery_entry *db_entry = OSAL_NULL;
243
244         DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "Tearing down db recovery\n");
245         if (!OSAL_LIST_IS_EMPTY(&p_hwfn->db_recovery_info.list)) {
246                 DP_VERBOSE(p_hwfn, false, "Doorbell Recovery teardown found the doorbell recovery list was not empty (Expected in disorderly driver unload (e.g. recovery) otherwise this probably means some flow forgot to db_recovery_del). Prepare to purge doorbell recovery list...\n");
247                 while (!OSAL_LIST_IS_EMPTY(&p_hwfn->db_recovery_info.list)) {
248                         db_entry = OSAL_LIST_FIRST_ENTRY(
249                                                 &p_hwfn->db_recovery_info.list,
250                                                 struct ecore_db_recovery_entry,
251                                                 list_entry);
252                         ecore_db_recovery_dp_entry(p_hwfn, db_entry, "Purging");
253                         OSAL_LIST_REMOVE_ENTRY(&db_entry->list_entry,
254                                                &p_hwfn->db_recovery_info.list);
255                         OSAL_FREE(p_hwfn->p_dev, db_entry);
256                 }
257         }
258 #ifdef CONFIG_ECORE_LOCK_ALLOC
259         OSAL_SPIN_LOCK_DEALLOC(&p_hwfn->db_recovery_info.lock);
260 #endif
261         p_hwfn->db_recovery_info.db_recovery_counter = 0;
262 }
263
264 /* print the content of the doorbell recovery mechanism */
265 void ecore_db_recovery_dp(struct ecore_hwfn *p_hwfn)
266 {
267         struct ecore_db_recovery_entry *db_entry = OSAL_NULL;
268
269         DP_NOTICE(p_hwfn, false,
270                   "Dispalying doorbell recovery database. Counter was %d\n",
271                   p_hwfn->db_recovery_info.db_recovery_counter);
272
273         /* protect the list */
274         OSAL_SPIN_LOCK(&p_hwfn->db_recovery_info.lock);
275         OSAL_LIST_FOR_EACH_ENTRY(db_entry,
276                                  &p_hwfn->db_recovery_info.list,
277                                  list_entry,
278                                  struct ecore_db_recovery_entry) {
279                 ecore_db_recovery_dp_entry(p_hwfn, db_entry, "Printing");
280         }
281
282         OSAL_SPIN_UNLOCK(&p_hwfn->db_recovery_info.lock);
283 }
284
285 /* ring the doorbell of a single doorbell recovery entry */
286 void ecore_db_recovery_ring(struct ecore_hwfn *p_hwfn,
287                             struct ecore_db_recovery_entry *db_entry,
288                             enum ecore_db_rec_exec db_exec)
289 {
290         /* Print according to width */
291         if (db_entry->db_width == DB_REC_WIDTH_32B)
292                 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "%s doorbell address %p data %x\n",
293                            db_exec == DB_REC_DRY_RUN ? "would have rung" : "ringing",
294                            db_entry->db_addr, *(u32 *)db_entry->db_data);
295         else
296                 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "%s doorbell address %p data %lx\n",
297                            db_exec == DB_REC_DRY_RUN ? "would have rung" : "ringing",
298                            db_entry->db_addr,
299                            *(unsigned long *)(db_entry->db_data));
300
301         /* Sanity */
302         if (!ecore_db_rec_sanity(p_hwfn->p_dev, db_entry->db_addr,
303                                  db_entry->db_data))
304                 return;
305
306         /* Flush the write combined buffer. Since there are multiple doorbelling
307          * entities using the same address, if we don't flush, a transaction
308          * could be lost.
309          */
310         OSAL_WMB(p_hwfn->p_dev);
311
312         /* Ring the doorbell */
313         if (db_exec == DB_REC_REAL_DEAL || db_exec == DB_REC_ONCE) {
314                 if (db_entry->db_width == DB_REC_WIDTH_32B)
315                         DIRECT_REG_WR(p_hwfn, db_entry->db_addr,
316                                       *(u32 *)(db_entry->db_data));
317                 else
318                         DIRECT_REG_WR64(p_hwfn, db_entry->db_addr,
319                                         *(u64 *)(db_entry->db_data));
320         }
321
322         /* Flush the write combined buffer. Next doorbell may come from a
323          * different entity to the same address...
324          */
325         OSAL_WMB(p_hwfn->p_dev);
326 }
327
328 /* traverse the doorbell recovery entry list and ring all the doorbells */
329 void ecore_db_recovery_execute(struct ecore_hwfn *p_hwfn,
330                                enum ecore_db_rec_exec db_exec)
331 {
332         struct ecore_db_recovery_entry *db_entry = OSAL_NULL;
333
334         if (db_exec != DB_REC_ONCE) {
335                 DP_NOTICE(p_hwfn, false, "Executing doorbell recovery. Counter was %d\n",
336                           p_hwfn->db_recovery_info.db_recovery_counter);
337
338                 /* track amount of times recovery was executed */
339                 p_hwfn->db_recovery_info.db_recovery_counter++;
340         }
341
342         /* protect the list */
343         OSAL_SPIN_LOCK(&p_hwfn->db_recovery_info.lock);
344         OSAL_LIST_FOR_EACH_ENTRY(db_entry,
345                                  &p_hwfn->db_recovery_info.list,
346                                  list_entry,
347                                  struct ecore_db_recovery_entry) {
348                 ecore_db_recovery_ring(p_hwfn, db_entry, db_exec);
349                 if (db_exec == DB_REC_ONCE)
350                         break;
351         }
352
353         OSAL_SPIN_UNLOCK(&p_hwfn->db_recovery_info.lock);
354 }
355 /******************** Doorbell Recovery end ****************/
356
357 /* Configurable */
358 #define ECORE_MIN_DPIS          (4)     /* The minimal num of DPIs required to
359                                          * load the driver. The number was
360                                          * arbitrarily set.
361                                          */
362
363 /* Derived */
364 #define ECORE_MIN_PWM_REGION    (ECORE_WID_SIZE * ECORE_MIN_DPIS)
365
366 static u32 ecore_hw_bar_size(struct ecore_hwfn *p_hwfn,
367                              struct ecore_ptt *p_ptt,
368                              enum BAR_ID bar_id)
369 {
370         u32 bar_reg = (bar_id == BAR_ID_0 ?
371                        PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE);
372         u32 val;
373
374         if (IS_VF(p_hwfn->p_dev))
375                 return ecore_vf_hw_bar_size(p_hwfn, bar_id);
376
377         val = ecore_rd(p_hwfn, p_ptt, bar_reg);
378         if (val)
379                 return 1 << (val + 15);
380
381         /* The above registers were updated in the past only in CMT mode. Since
382          * they were found to be useful MFW started updating them from 8.7.7.0.
383          * In older MFW versions they are set to 0 which means disabled.
384          */
385         if (ECORE_IS_CMT(p_hwfn->p_dev)) {
386                 DP_INFO(p_hwfn,
387                         "BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n");
388                 val = BAR_ID_0 ? 256 * 1024 : 512 * 1024;
389         } else {
390                 DP_INFO(p_hwfn,
391                         "BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n");
392                 val = 512 * 1024;
393         }
394
395         return val;
396 }
397
398 void ecore_init_dp(struct ecore_dev *p_dev,
399                    u32 dp_module, u8 dp_level, void *dp_ctx)
400 {
401         u32 i;
402
403         p_dev->dp_level = dp_level;
404         p_dev->dp_module = dp_module;
405         p_dev->dp_ctx = dp_ctx;
406         for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
407                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
408
409                 p_hwfn->dp_level = dp_level;
410                 p_hwfn->dp_module = dp_module;
411                 p_hwfn->dp_ctx = dp_ctx;
412         }
413 }
414
415 enum _ecore_status_t ecore_init_struct(struct ecore_dev *p_dev)
416 {
417         u8 i;
418
419         for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
420                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
421
422                 p_hwfn->p_dev = p_dev;
423                 p_hwfn->my_id = i;
424                 p_hwfn->b_active = false;
425
426 #ifdef CONFIG_ECORE_LOCK_ALLOC
427                 if (OSAL_SPIN_LOCK_ALLOC(p_hwfn, &p_hwfn->dmae_info.lock))
428                         goto handle_err;
429 #endif
430                 OSAL_SPIN_LOCK_INIT(&p_hwfn->dmae_info.lock);
431         }
432
433         /* hwfn 0 is always active */
434         p_dev->hwfns[0].b_active = true;
435
436         /* set the default cache alignment to 128 (may be overridden later) */
437         p_dev->cache_shift = 7;
438         return ECORE_SUCCESS;
439 #ifdef CONFIG_ECORE_LOCK_ALLOC
440 handle_err:
441         while (--i) {
442                 struct ecore_hwfn *p_hwfn = OSAL_NULL;
443
444                 p_hwfn = &p_dev->hwfns[i];
445                 OSAL_SPIN_LOCK_DEALLOC(&p_hwfn->dmae_info.lock);
446         }
447         return ECORE_NOMEM;
448 #endif
449 }
450
451 static void ecore_qm_info_free(struct ecore_hwfn *p_hwfn)
452 {
453         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
454
455         OSAL_FREE(p_hwfn->p_dev, qm_info->qm_pq_params);
456         OSAL_FREE(p_hwfn->p_dev, qm_info->qm_vport_params);
457         OSAL_FREE(p_hwfn->p_dev, qm_info->qm_port_params);
458         OSAL_FREE(p_hwfn->p_dev, qm_info->wfq_data);
459 }
460
461 void ecore_resc_free(struct ecore_dev *p_dev)
462 {
463         int i;
464
465         if (IS_VF(p_dev)) {
466                 for_each_hwfn(p_dev, i)
467                         ecore_l2_free(&p_dev->hwfns[i]);
468                 return;
469         }
470
471         OSAL_FREE(p_dev, p_dev->fw_data);
472
473         OSAL_FREE(p_dev, p_dev->reset_stats);
474
475         for_each_hwfn(p_dev, i) {
476                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
477
478                 ecore_cxt_mngr_free(p_hwfn);
479                 ecore_qm_info_free(p_hwfn);
480                 ecore_spq_free(p_hwfn);
481                 ecore_eq_free(p_hwfn);
482                 ecore_consq_free(p_hwfn);
483                 ecore_int_free(p_hwfn);
484                 ecore_iov_free(p_hwfn);
485                 ecore_l2_free(p_hwfn);
486                 ecore_dmae_info_free(p_hwfn);
487                 ecore_dcbx_info_free(p_hwfn);
488                 /* @@@TBD Flush work-queue ? */
489
490                 /* destroy doorbell recovery mechanism */
491                 ecore_db_recovery_teardown(p_hwfn);
492         }
493 }
494
495 /******************** QM initialization *******************/
496
497 /* bitmaps for indicating active traffic classes.
498  * Special case for Arrowhead 4 port
499  */
500 /* 0..3 actualy used, 4 serves OOO, 7 serves high priority stuff (e.g. DCQCN) */
501 #define ACTIVE_TCS_BMAP 0x9f
502 /* 0..3 actually used, OOO and high priority stuff all use 3 */
503 #define ACTIVE_TCS_BMAP_4PORT_K2 0xf
504
505 /* determines the physical queue flags for a given PF. */
506 static u32 ecore_get_pq_flags(struct ecore_hwfn *p_hwfn)
507 {
508         u32 flags;
509
510         /* common flags */
511         flags = PQ_FLAGS_LB;
512
513         /* feature flags */
514         if (IS_ECORE_SRIOV(p_hwfn->p_dev))
515                 flags |= PQ_FLAGS_VFS;
516         if (IS_ECORE_PACING(p_hwfn))
517                 flags |= PQ_FLAGS_RLS;
518
519         /* protocol flags */
520         switch (p_hwfn->hw_info.personality) {
521         case ECORE_PCI_ETH:
522                 if (!IS_ECORE_PACING(p_hwfn))
523                         flags |= PQ_FLAGS_MCOS;
524                 break;
525         case ECORE_PCI_FCOE:
526                 flags |= PQ_FLAGS_OFLD;
527                 break;
528         case ECORE_PCI_ISCSI:
529                 flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
530                 break;
531         case ECORE_PCI_ETH_ROCE:
532                 flags |= PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
533                 if (!IS_ECORE_PACING(p_hwfn))
534                         flags |= PQ_FLAGS_MCOS;
535                 break;
536         case ECORE_PCI_ETH_IWARP:
537                 flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
538                 if (!IS_ECORE_PACING(p_hwfn))
539                         flags |= PQ_FLAGS_MCOS;
540                 break;
541         default:
542                 DP_ERR(p_hwfn, "unknown personality %d\n",
543                        p_hwfn->hw_info.personality);
544                 return 0;
545         }
546         return flags;
547 }
548
549 /* Getters for resource amounts necessary for qm initialization */
550 u8 ecore_init_qm_get_num_tcs(struct ecore_hwfn *p_hwfn)
551 {
552         return p_hwfn->hw_info.num_hw_tc;
553 }
554
555 u16 ecore_init_qm_get_num_vfs(struct ecore_hwfn *p_hwfn)
556 {
557         return IS_ECORE_SRIOV(p_hwfn->p_dev) ?
558                         p_hwfn->p_dev->p_iov_info->total_vfs : 0;
559 }
560
561 #define NUM_DEFAULT_RLS 1
562
563 u16 ecore_init_qm_get_num_pf_rls(struct ecore_hwfn *p_hwfn)
564 {
565         u16 num_pf_rls, num_vfs = ecore_init_qm_get_num_vfs(p_hwfn);
566
567         /* @DPDK */
568         /* num RLs can't exceed resource amount of rls or vports or the
569          * dcqcn qps
570          */
571         num_pf_rls = (u16)OSAL_MIN_T(u32, RESC_NUM(p_hwfn, ECORE_RL),
572                                      (u16)RESC_NUM(p_hwfn, ECORE_VPORT));
573
574         /* make sure after we reserve the default and VF rls we'll have
575          * something left
576          */
577         if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS) {
578                 DP_NOTICE(p_hwfn, false,
579                           "no rate limiters left for PF rate limiting"
580                           " [num_pf_rls %d num_vfs %d]\n", num_pf_rls, num_vfs);
581                 return 0;
582         }
583
584         /* subtract rls necessary for VFs and one default one for the PF */
585         num_pf_rls -= num_vfs + NUM_DEFAULT_RLS;
586
587         return num_pf_rls;
588 }
589
590 u16 ecore_init_qm_get_num_vports(struct ecore_hwfn *p_hwfn)
591 {
592         u32 pq_flags = ecore_get_pq_flags(p_hwfn);
593
594         /* all pqs share the same vport (hence the 1 below), except for vfs
595          * and pf_rl pqs
596          */
597         return (!!(PQ_FLAGS_RLS & pq_flags)) *
598                 ecore_init_qm_get_num_pf_rls(p_hwfn) +
599                (!!(PQ_FLAGS_VFS & pq_flags)) *
600                 ecore_init_qm_get_num_vfs(p_hwfn) + 1;
601 }
602
603 /* calc amount of PQs according to the requested flags */
604 u16 ecore_init_qm_get_num_pqs(struct ecore_hwfn *p_hwfn)
605 {
606         u32 pq_flags = ecore_get_pq_flags(p_hwfn);
607
608         return (!!(PQ_FLAGS_RLS & pq_flags)) *
609                 ecore_init_qm_get_num_pf_rls(p_hwfn) +
610                (!!(PQ_FLAGS_MCOS & pq_flags)) *
611                 ecore_init_qm_get_num_tcs(p_hwfn) +
612                (!!(PQ_FLAGS_LB & pq_flags)) +
613                (!!(PQ_FLAGS_OOO & pq_flags)) +
614                (!!(PQ_FLAGS_ACK & pq_flags)) +
615                (!!(PQ_FLAGS_OFLD & pq_flags)) +
616                (!!(PQ_FLAGS_VFS & pq_flags)) *
617                 ecore_init_qm_get_num_vfs(p_hwfn);
618 }
619
620 /* initialize the top level QM params */
621 static void ecore_init_qm_params(struct ecore_hwfn *p_hwfn)
622 {
623         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
624         bool four_port;
625
626         /* pq and vport bases for this PF */
627         qm_info->start_pq = (u16)RESC_START(p_hwfn, ECORE_PQ);
628         qm_info->start_vport = (u8)RESC_START(p_hwfn, ECORE_VPORT);
629
630         /* rate limiting and weighted fair queueing are always enabled */
631         qm_info->vport_rl_en = 1;
632         qm_info->vport_wfq_en = 1;
633
634         /* TC config is different for AH 4 port */
635         four_port = p_hwfn->p_dev->num_ports_in_engine == MAX_NUM_PORTS_K2;
636
637         /* in AH 4 port we have fewer TCs per port */
638         qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 :
639                                                      NUM_OF_PHYS_TCS;
640
641         /* unless MFW indicated otherwise, ooo_tc should be 3 for AH 4 port and
642          * 4 otherwise
643          */
644         if (!qm_info->ooo_tc)
645                 qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC :
646                                               DCBX_TCP_OOO_TC;
647 }
648
649 /* initialize qm vport params */
650 static void ecore_init_qm_vport_params(struct ecore_hwfn *p_hwfn)
651 {
652         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
653         u8 i;
654
655         /* all vports participate in weighted fair queueing */
656         for (i = 0; i < ecore_init_qm_get_num_vports(p_hwfn); i++)
657                 qm_info->qm_vport_params[i].vport_wfq = 1;
658 }
659
660 /* initialize qm port params */
661 static void ecore_init_qm_port_params(struct ecore_hwfn *p_hwfn)
662 {
663         /* Initialize qm port parameters */
664         u8 i, active_phys_tcs, num_ports = p_hwfn->p_dev->num_ports_in_engine;
665
666         /* indicate how ooo and high pri traffic is dealt with */
667         active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ?
668                 ACTIVE_TCS_BMAP_4PORT_K2 : ACTIVE_TCS_BMAP;
669
670         for (i = 0; i < num_ports; i++) {
671                 struct init_qm_port_params *p_qm_port =
672                         &p_hwfn->qm_info.qm_port_params[i];
673
674                 p_qm_port->active = 1;
675                 p_qm_port->active_phys_tcs = active_phys_tcs;
676                 p_qm_port->num_pbf_cmd_lines = PBF_MAX_CMD_LINES_E4 / num_ports;
677                 p_qm_port->num_btb_blocks = BTB_MAX_BLOCKS / num_ports;
678         }
679 }
680
681 /* Reset the params which must be reset for qm init. QM init may be called as
682  * a result of flows other than driver load (e.g. dcbx renegotiation). Other
683  * params may be affected by the init but would simply recalculate to the same
684  * values. The allocations made for QM init, ports, vports, pqs and vfqs are not
685  * affected as these amounts stay the same.
686  */
687 static void ecore_init_qm_reset_params(struct ecore_hwfn *p_hwfn)
688 {
689         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
690
691         qm_info->num_pqs = 0;
692         qm_info->num_vports = 0;
693         qm_info->num_pf_rls = 0;
694         qm_info->num_vf_pqs = 0;
695         qm_info->first_vf_pq = 0;
696         qm_info->first_mcos_pq = 0;
697         qm_info->first_rl_pq = 0;
698 }
699
700 static void ecore_init_qm_advance_vport(struct ecore_hwfn *p_hwfn)
701 {
702         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
703
704         qm_info->num_vports++;
705
706         if (qm_info->num_vports > ecore_init_qm_get_num_vports(p_hwfn))
707                 DP_ERR(p_hwfn,
708                        "vport overflow! qm_info->num_vports %d,"
709                        " qm_init_get_num_vports() %d\n",
710                        qm_info->num_vports,
711                        ecore_init_qm_get_num_vports(p_hwfn));
712 }
713
714 /* initialize a single pq and manage qm_info resources accounting.
715  * The pq_init_flags param determines whether the PQ is rate limited
716  * (for VF or PF)
717  * and whether a new vport is allocated to the pq or not (i.e. vport will be
718  * shared)
719  */
720
721 /* flags for pq init */
722 #define PQ_INIT_SHARE_VPORT     (1 << 0)
723 #define PQ_INIT_PF_RL           (1 << 1)
724 #define PQ_INIT_VF_RL           (1 << 2)
725
726 /* defines for pq init */
727 #define PQ_INIT_DEFAULT_WRR_GROUP       1
728 #define PQ_INIT_DEFAULT_TC              0
729 #define PQ_INIT_OFLD_TC                 (p_hwfn->hw_info.offload_tc)
730
731 static void ecore_init_qm_pq(struct ecore_hwfn *p_hwfn,
732                              struct ecore_qm_info *qm_info,
733                              u8 tc, u32 pq_init_flags)
734 {
735         u16 pq_idx = qm_info->num_pqs, max_pq =
736                                         ecore_init_qm_get_num_pqs(p_hwfn);
737
738         if (pq_idx > max_pq)
739                 DP_ERR(p_hwfn,
740                        "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq);
741
742         /* init pq params */
743         qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id;
744         qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport +
745                                                  qm_info->num_vports;
746         qm_info->qm_pq_params[pq_idx].tc_id = tc;
747         qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP;
748         qm_info->qm_pq_params[pq_idx].rl_valid =
749                 (pq_init_flags & PQ_INIT_PF_RL ||
750                  pq_init_flags & PQ_INIT_VF_RL);
751
752         /* qm params accounting */
753         qm_info->num_pqs++;
754         if (!(pq_init_flags & PQ_INIT_SHARE_VPORT))
755                 qm_info->num_vports++;
756
757         if (pq_init_flags & PQ_INIT_PF_RL)
758                 qm_info->num_pf_rls++;
759
760         if (qm_info->num_vports > ecore_init_qm_get_num_vports(p_hwfn))
761                 DP_ERR(p_hwfn,
762                        "vport overflow! qm_info->num_vports %d,"
763                        " qm_init_get_num_vports() %d\n",
764                        qm_info->num_vports,
765                        ecore_init_qm_get_num_vports(p_hwfn));
766
767         if (qm_info->num_pf_rls > ecore_init_qm_get_num_pf_rls(p_hwfn))
768                 DP_ERR(p_hwfn, "rl overflow! qm_info->num_pf_rls %d,"
769                        " qm_init_get_num_pf_rls() %d\n",
770                        qm_info->num_pf_rls,
771                        ecore_init_qm_get_num_pf_rls(p_hwfn));
772 }
773
774 /* get pq index according to PQ_FLAGS */
775 static u16 *ecore_init_qm_get_idx_from_flags(struct ecore_hwfn *p_hwfn,
776                                              u32 pq_flags)
777 {
778         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
779
780         /* Can't have multiple flags set here */
781         if (OSAL_BITMAP_WEIGHT((unsigned long *)&pq_flags,
782                                 sizeof(pq_flags)) > 1)
783                 goto err;
784
785         switch (pq_flags) {
786         case PQ_FLAGS_RLS:
787                 return &qm_info->first_rl_pq;
788         case PQ_FLAGS_MCOS:
789                 return &qm_info->first_mcos_pq;
790         case PQ_FLAGS_LB:
791                 return &qm_info->pure_lb_pq;
792         case PQ_FLAGS_OOO:
793                 return &qm_info->ooo_pq;
794         case PQ_FLAGS_ACK:
795                 return &qm_info->pure_ack_pq;
796         case PQ_FLAGS_OFLD:
797                 return &qm_info->offload_pq;
798         case PQ_FLAGS_VFS:
799                 return &qm_info->first_vf_pq;
800         default:
801                 goto err;
802         }
803
804 err:
805         DP_ERR(p_hwfn, "BAD pq flags %d\n", pq_flags);
806         return OSAL_NULL;
807 }
808
809 /* save pq index in qm info */
810 static void ecore_init_qm_set_idx(struct ecore_hwfn *p_hwfn,
811                                   u32 pq_flags, u16 pq_val)
812 {
813         u16 *base_pq_idx = ecore_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
814
815         *base_pq_idx = p_hwfn->qm_info.start_pq + pq_val;
816 }
817
818 /* get tx pq index, with the PQ TX base already set (ready for context init) */
819 u16 ecore_get_cm_pq_idx(struct ecore_hwfn *p_hwfn, u32 pq_flags)
820 {
821         u16 *base_pq_idx = ecore_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
822
823         return *base_pq_idx + CM_TX_PQ_BASE;
824 }
825
826 u16 ecore_get_cm_pq_idx_mcos(struct ecore_hwfn *p_hwfn, u8 tc)
827 {
828         u8 max_tc = ecore_init_qm_get_num_tcs(p_hwfn);
829
830         if (tc > max_tc)
831                 DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);
832
833         return ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + tc;
834 }
835
836 u16 ecore_get_cm_pq_idx_vf(struct ecore_hwfn *p_hwfn, u16 vf)
837 {
838         u16 max_vf = ecore_init_qm_get_num_vfs(p_hwfn);
839
840         if (vf > max_vf)
841                 DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);
842
843         return ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + vf;
844 }
845
846 u16 ecore_get_cm_pq_idx_rl(struct ecore_hwfn *p_hwfn, u16 rl)
847 {
848         u16 max_rl = ecore_init_qm_get_num_pf_rls(p_hwfn);
849
850         if (rl > max_rl)
851                 DP_ERR(p_hwfn, "rl %d must be smaller than %d\n", rl, max_rl);
852
853         return ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_RLS) + rl;
854 }
855
856 u16 ecore_get_qm_vport_idx_rl(struct ecore_hwfn *p_hwfn, u16 rl)
857 {
858         u16 start_pq, pq, qm_pq_idx;
859
860         pq = ecore_get_cm_pq_idx_rl(p_hwfn, rl);
861         start_pq = p_hwfn->qm_info.start_pq;
862         qm_pq_idx = pq - start_pq - CM_TX_PQ_BASE;
863
864         if (qm_pq_idx > p_hwfn->qm_info.num_pqs) {
865                 DP_ERR(p_hwfn,
866                        "qm_pq_idx %d must be smaller than %d\n",
867                         qm_pq_idx, p_hwfn->qm_info.num_pqs);
868         }
869
870         return p_hwfn->qm_info.qm_pq_params[qm_pq_idx].vport_id;
871 }
872
873 /* Functions for creating specific types of pqs */
874 static void ecore_init_qm_lb_pq(struct ecore_hwfn *p_hwfn)
875 {
876         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
877
878         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_LB))
879                 return;
880
881         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs);
882         ecore_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT);
883 }
884
885 static void ecore_init_qm_ooo_pq(struct ecore_hwfn *p_hwfn)
886 {
887         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
888
889         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO))
890                 return;
891
892         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs);
893         ecore_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT);
894 }
895
896 static void ecore_init_qm_pure_ack_pq(struct ecore_hwfn *p_hwfn)
897 {
898         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
899
900         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK))
901                 return;
902
903         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs);
904         ecore_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC, PQ_INIT_SHARE_VPORT);
905 }
906
907 static void ecore_init_qm_offload_pq(struct ecore_hwfn *p_hwfn)
908 {
909         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
910
911         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD))
912                 return;
913
914         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs);
915         ecore_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC, PQ_INIT_SHARE_VPORT);
916 }
917
918 static void ecore_init_qm_mcos_pqs(struct ecore_hwfn *p_hwfn)
919 {
920         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
921         u8 tc_idx;
922
923         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS))
924                 return;
925
926         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs);
927         for (tc_idx = 0; tc_idx < ecore_init_qm_get_num_tcs(p_hwfn); tc_idx++)
928                 ecore_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT);
929 }
930
931 static void ecore_init_qm_vf_pqs(struct ecore_hwfn *p_hwfn)
932 {
933         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
934         u16 vf_idx, num_vfs = ecore_init_qm_get_num_vfs(p_hwfn);
935
936         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS))
937                 return;
938
939         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs);
940
941         qm_info->num_vf_pqs = num_vfs;
942         for (vf_idx = 0; vf_idx < num_vfs; vf_idx++)
943                 ecore_init_qm_pq(p_hwfn, qm_info, PQ_INIT_DEFAULT_TC,
944                                  PQ_INIT_VF_RL);
945 }
946
947 static void ecore_init_qm_rl_pqs(struct ecore_hwfn *p_hwfn)
948 {
949         u16 pf_rls_idx, num_pf_rls = ecore_init_qm_get_num_pf_rls(p_hwfn);
950         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
951
952         if (!(ecore_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS))
953                 return;
954
955         ecore_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs);
956         for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++)
957                 ecore_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC,
958                                  PQ_INIT_PF_RL);
959 }
960
961 static void ecore_init_qm_pq_params(struct ecore_hwfn *p_hwfn)
962 {
963         /* rate limited pqs, must come first (FW assumption) */
964         ecore_init_qm_rl_pqs(p_hwfn);
965
966         /* pqs for multi cos */
967         ecore_init_qm_mcos_pqs(p_hwfn);
968
969         /* pure loopback pq */
970         ecore_init_qm_lb_pq(p_hwfn);
971
972         /* out of order pq */
973         ecore_init_qm_ooo_pq(p_hwfn);
974
975         /* pure ack pq */
976         ecore_init_qm_pure_ack_pq(p_hwfn);
977
978         /* pq for offloaded protocol */
979         ecore_init_qm_offload_pq(p_hwfn);
980
981         /* done sharing vports */
982         ecore_init_qm_advance_vport(p_hwfn);
983
984         /* pqs for vfs */
985         ecore_init_qm_vf_pqs(p_hwfn);
986 }
987
988 /* compare values of getters against resources amounts */
989 static enum _ecore_status_t ecore_init_qm_sanity(struct ecore_hwfn *p_hwfn)
990 {
991         if (ecore_init_qm_get_num_vports(p_hwfn) >
992             RESC_NUM(p_hwfn, ECORE_VPORT)) {
993                 DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n");
994                 return ECORE_INVAL;
995         }
996
997         if (ecore_init_qm_get_num_pqs(p_hwfn) > RESC_NUM(p_hwfn, ECORE_PQ)) {
998                 DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n");
999                 return ECORE_INVAL;
1000         }
1001
1002         return ECORE_SUCCESS;
1003 }
1004
1005 /*
1006  * Function for verbose printing of the qm initialization results
1007  */
1008 static void ecore_dp_init_qm_params(struct ecore_hwfn *p_hwfn)
1009 {
1010         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
1011         struct init_qm_vport_params *vport;
1012         struct init_qm_port_params *port;
1013         struct init_qm_pq_params *pq;
1014         int i, tc;
1015
1016         /* top level params */
1017         DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
1018                    "qm init top level params: start_pq %d, start_vport %d,"
1019                    " pure_lb_pq %d, offload_pq %d, pure_ack_pq %d\n",
1020                    qm_info->start_pq, qm_info->start_vport, qm_info->pure_lb_pq,
1021                    qm_info->offload_pq, qm_info->pure_ack_pq);
1022         DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
1023                    "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d,"
1024                    " num_vports %d, max_phys_tcs_per_port %d\n",
1025                    qm_info->ooo_pq, qm_info->first_vf_pq, qm_info->num_pqs,
1026                    qm_info->num_vf_pqs, qm_info->num_vports,
1027                    qm_info->max_phys_tcs_per_port);
1028         DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
1029                    "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d,"
1030                    " pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n",
1031                    qm_info->pf_rl_en, qm_info->pf_wfq_en, qm_info->vport_rl_en,
1032                    qm_info->vport_wfq_en, qm_info->pf_wfq, qm_info->pf_rl,
1033                    qm_info->num_pf_rls, ecore_get_pq_flags(p_hwfn));
1034
1035         /* port table */
1036         for (i = 0; i < p_hwfn->p_dev->num_ports_in_engine; i++) {
1037                 port = &qm_info->qm_port_params[i];
1038                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
1039                            "port idx %d, active %d, active_phys_tcs %d,"
1040                            " num_pbf_cmd_lines %d, num_btb_blocks %d,"
1041                            " reserved %d\n",
1042                            i, port->active, port->active_phys_tcs,
1043                            port->num_pbf_cmd_lines, port->num_btb_blocks,
1044                            port->reserved);
1045         }
1046
1047         /* vport table */
1048         for (i = 0; i < qm_info->num_vports; i++) {
1049                 vport = &qm_info->qm_vport_params[i];
1050                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
1051                            "vport idx %d, vport_rl %d, wfq %d,"
1052                            " first_tx_pq_id [ ",
1053                            qm_info->start_vport + i, vport->vport_rl,
1054                            vport->vport_wfq);
1055                 for (tc = 0; tc < NUM_OF_TCS; tc++)
1056                         DP_VERBOSE(p_hwfn, ECORE_MSG_HW, "%d ",
1057                                    vport->first_tx_pq_id[tc]);
1058                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, "]\n");
1059         }
1060
1061         /* pq table */
1062         for (i = 0; i < qm_info->num_pqs; i++) {
1063                 pq = &qm_info->qm_pq_params[i];
1064                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
1065                            "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d\n",
1066                            qm_info->start_pq + i, pq->port_id, pq->vport_id,
1067                            pq->tc_id, pq->wrr_group, pq->rl_valid);
1068         }
1069 }
1070
1071 static void ecore_init_qm_info(struct ecore_hwfn *p_hwfn)
1072 {
1073         /* reset params required for init run */
1074         ecore_init_qm_reset_params(p_hwfn);
1075
1076         /* init QM top level params */
1077         ecore_init_qm_params(p_hwfn);
1078
1079         /* init QM port params */
1080         ecore_init_qm_port_params(p_hwfn);
1081
1082         /* init QM vport params */
1083         ecore_init_qm_vport_params(p_hwfn);
1084
1085         /* init QM physical queue params */
1086         ecore_init_qm_pq_params(p_hwfn);
1087
1088         /* display all that init */
1089         ecore_dp_init_qm_params(p_hwfn);
1090 }
1091
1092 /* This function reconfigures the QM pf on the fly.
1093  * For this purpose we:
1094  * 1. reconfigure the QM database
1095  * 2. set new values to runtime array
1096  * 3. send an sdm_qm_cmd through the rbc interface to stop the QM
1097  * 4. activate init tool in QM_PF stage
1098  * 5. send an sdm_qm_cmd through rbc interface to release the QM
1099  */
1100 enum _ecore_status_t ecore_qm_reconf(struct ecore_hwfn *p_hwfn,
1101                                      struct ecore_ptt *p_ptt)
1102 {
1103         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
1104         bool b_rc;
1105         enum _ecore_status_t rc;
1106
1107         /* initialize ecore's qm data structure */
1108         ecore_init_qm_info(p_hwfn);
1109
1110         /* stop PF's qm queues */
1111         OSAL_SPIN_LOCK(&qm_lock);
1112         b_rc = ecore_send_qm_stop_cmd(p_hwfn, p_ptt, false, true,
1113                                       qm_info->start_pq, qm_info->num_pqs);
1114         OSAL_SPIN_UNLOCK(&qm_lock);
1115         if (!b_rc)
1116                 return ECORE_INVAL;
1117
1118         /* clear the QM_PF runtime phase leftovers from previous init */
1119         ecore_init_clear_rt_data(p_hwfn);
1120
1121         /* prepare QM portion of runtime array */
1122         ecore_qm_init_pf(p_hwfn, p_ptt, false);
1123
1124         /* activate init tool on runtime array */
1125         rc = ecore_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id,
1126                             p_hwfn->hw_info.hw_mode);
1127         if (rc != ECORE_SUCCESS)
1128                 return rc;
1129
1130         /* start PF's qm queues */
1131         OSAL_SPIN_LOCK(&qm_lock);
1132         b_rc = ecore_send_qm_stop_cmd(p_hwfn, p_ptt, true, true,
1133                                       qm_info->start_pq, qm_info->num_pqs);
1134         OSAL_SPIN_UNLOCK(&qm_lock);
1135         if (!b_rc)
1136                 return ECORE_INVAL;
1137
1138         return ECORE_SUCCESS;
1139 }
1140
1141 static enum _ecore_status_t ecore_alloc_qm_data(struct ecore_hwfn *p_hwfn)
1142 {
1143         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
1144         enum _ecore_status_t rc;
1145
1146         rc = ecore_init_qm_sanity(p_hwfn);
1147         if (rc != ECORE_SUCCESS)
1148                 goto alloc_err;
1149
1150         qm_info->qm_pq_params = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
1151                                             sizeof(struct init_qm_pq_params) *
1152                                             ecore_init_qm_get_num_pqs(p_hwfn));
1153         if (!qm_info->qm_pq_params)
1154                 goto alloc_err;
1155
1156         qm_info->qm_vport_params = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
1157                                        sizeof(struct init_qm_vport_params) *
1158                                        ecore_init_qm_get_num_vports(p_hwfn));
1159         if (!qm_info->qm_vport_params)
1160                 goto alloc_err;
1161
1162         qm_info->qm_port_params = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
1163                                       sizeof(struct init_qm_port_params) *
1164                                       p_hwfn->p_dev->num_ports_in_engine);
1165         if (!qm_info->qm_port_params)
1166                 goto alloc_err;
1167
1168         qm_info->wfq_data = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
1169                                         sizeof(struct ecore_wfq_data) *
1170                                         ecore_init_qm_get_num_vports(p_hwfn));
1171         if (!qm_info->wfq_data)
1172                 goto alloc_err;
1173
1174         return ECORE_SUCCESS;
1175
1176 alloc_err:
1177         DP_NOTICE(p_hwfn, false, "Failed to allocate memory for QM params\n");
1178         ecore_qm_info_free(p_hwfn);
1179         return ECORE_NOMEM;
1180 }
1181 /******************** End QM initialization ***************/
1182
1183 enum _ecore_status_t ecore_resc_alloc(struct ecore_dev *p_dev)
1184 {
1185         enum _ecore_status_t rc = ECORE_SUCCESS;
1186         int i;
1187
1188         if (IS_VF(p_dev)) {
1189                 for_each_hwfn(p_dev, i) {
1190                         rc = ecore_l2_alloc(&p_dev->hwfns[i]);
1191                         if (rc != ECORE_SUCCESS)
1192                                 return rc;
1193                 }
1194                 return rc;
1195         }
1196
1197         p_dev->fw_data = OSAL_ZALLOC(p_dev, GFP_KERNEL,
1198                                      sizeof(*p_dev->fw_data));
1199         if (!p_dev->fw_data)
1200                 return ECORE_NOMEM;
1201
1202         for_each_hwfn(p_dev, i) {
1203                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
1204                 u32 n_eqes, num_cons;
1205
1206                 /* initialize the doorbell recovery mechanism */
1207                 rc = ecore_db_recovery_setup(p_hwfn);
1208                 if (rc)
1209                         goto alloc_err;
1210
1211                 /* First allocate the context manager structure */
1212                 rc = ecore_cxt_mngr_alloc(p_hwfn);
1213                 if (rc)
1214                         goto alloc_err;
1215
1216                 /* Set the HW cid/tid numbers (in the context manager)
1217                  * Must be done prior to any further computations.
1218                  */
1219                 rc = ecore_cxt_set_pf_params(p_hwfn);
1220                 if (rc)
1221                         goto alloc_err;
1222
1223                 rc = ecore_alloc_qm_data(p_hwfn);
1224                 if (rc)
1225                         goto alloc_err;
1226
1227                 /* init qm info */
1228                 ecore_init_qm_info(p_hwfn);
1229
1230                 /* Compute the ILT client partition */
1231                 rc = ecore_cxt_cfg_ilt_compute(p_hwfn);
1232                 if (rc)
1233                         goto alloc_err;
1234
1235                 /* CID map / ILT shadow table / T2
1236                  * The talbes sizes are determined by the computations above
1237                  */
1238                 rc = ecore_cxt_tables_alloc(p_hwfn);
1239                 if (rc)
1240                         goto alloc_err;
1241
1242                 /* SPQ, must follow ILT because initializes SPQ context */
1243                 rc = ecore_spq_alloc(p_hwfn);
1244                 if (rc)
1245                         goto alloc_err;
1246
1247                 /* SP status block allocation */
1248                 p_hwfn->p_dpc_ptt = ecore_get_reserved_ptt(p_hwfn,
1249                                                            RESERVED_PTT_DPC);
1250
1251                 rc = ecore_int_alloc(p_hwfn, p_hwfn->p_main_ptt);
1252                 if (rc)
1253                         goto alloc_err;
1254
1255                 rc = ecore_iov_alloc(p_hwfn);
1256                 if (rc)
1257                         goto alloc_err;
1258
1259                 /* EQ */
1260                 n_eqes = ecore_chain_get_capacity(&p_hwfn->p_spq->chain);
1261                 if (ECORE_IS_RDMA_PERSONALITY(p_hwfn)) {
1262                         /* Calculate the EQ size
1263                          * ---------------------
1264                          * Each ICID may generate up to one event at a time i.e.
1265                          * the event must be handled/cleared before a new one
1266                          * can be generated. We calculate the sum of events per
1267                          * protocol and create an EQ deep enough to handle the
1268                          * worst case:
1269                          * - Core - according to SPQ.
1270                          * - RoCE - per QP there are a couple of ICIDs, one
1271                          *        responder and one requester, each can
1272                          *        generate an EQE => n_eqes_qp = 2 * n_qp.
1273                          *        Each CQ can generate an EQE. There are 2 CQs
1274                          *        per QP => n_eqes_cq = 2 * n_qp.
1275                          *        Hence the RoCE total is 4 * n_qp or
1276                          *        2 * num_cons.
1277                          * - ENet - There can be up to two events per VF. One
1278                          *        for VF-PF channel and another for VF FLR
1279                          *        initial cleanup. The number of VFs is
1280                          *        bounded by MAX_NUM_VFS_BB, and is much
1281                          *        smaller than RoCE's so we avoid exact
1282                          *        calculation.
1283                          */
1284                         if (ECORE_IS_ROCE_PERSONALITY(p_hwfn)) {
1285                                 num_cons =
1286                                     ecore_cxt_get_proto_cid_count(
1287                                                 p_hwfn,
1288                                                 PROTOCOLID_ROCE,
1289                                                 OSAL_NULL);
1290                                 num_cons *= 2;
1291                         } else {
1292                                 num_cons = ecore_cxt_get_proto_cid_count(
1293                                                 p_hwfn,
1294                                                 PROTOCOLID_IWARP,
1295                                                 OSAL_NULL);
1296                         }
1297                         n_eqes += num_cons + 2 * MAX_NUM_VFS_BB;
1298                 } else if (p_hwfn->hw_info.personality == ECORE_PCI_ISCSI) {
1299                         num_cons =
1300                             ecore_cxt_get_proto_cid_count(p_hwfn,
1301                                                           PROTOCOLID_ISCSI,
1302                                                           OSAL_NULL);
1303                         n_eqes += 2 * num_cons;
1304                 }
1305
1306                 if (n_eqes > 0xFFFF) {
1307                         DP_ERR(p_hwfn, "Cannot allocate 0x%x EQ elements."
1308                                        "The maximum of a u16 chain is 0x%x\n",
1309                                n_eqes, 0xFFFF);
1310                         goto alloc_no_mem;
1311                 }
1312
1313                 rc = ecore_eq_alloc(p_hwfn, (u16)n_eqes);
1314                 if (rc)
1315                         goto alloc_err;
1316
1317                 rc = ecore_consq_alloc(p_hwfn);
1318                 if (rc)
1319                         goto alloc_err;
1320
1321                 rc = ecore_l2_alloc(p_hwfn);
1322                 if (rc != ECORE_SUCCESS)
1323                         goto alloc_err;
1324
1325                 /* DMA info initialization */
1326                 rc = ecore_dmae_info_alloc(p_hwfn);
1327                 if (rc) {
1328                         DP_NOTICE(p_hwfn, false, "Failed to allocate memory for dmae_info structure\n");
1329                         goto alloc_err;
1330                 }
1331
1332                 /* DCBX initialization */
1333                 rc = ecore_dcbx_info_alloc(p_hwfn);
1334                 if (rc) {
1335                         DP_NOTICE(p_hwfn, false,
1336                                   "Failed to allocate memory for dcbx structure\n");
1337                         goto alloc_err;
1338                 }
1339         }
1340
1341         p_dev->reset_stats = OSAL_ZALLOC(p_dev, GFP_KERNEL,
1342                                          sizeof(*p_dev->reset_stats));
1343         if (!p_dev->reset_stats) {
1344                 DP_NOTICE(p_dev, false, "Failed to allocate reset statistics\n");
1345                 goto alloc_no_mem;
1346         }
1347
1348         return ECORE_SUCCESS;
1349
1350 alloc_no_mem:
1351         rc = ECORE_NOMEM;
1352 alloc_err:
1353         ecore_resc_free(p_dev);
1354         return rc;
1355 }
1356
1357 void ecore_resc_setup(struct ecore_dev *p_dev)
1358 {
1359         int i;
1360
1361         if (IS_VF(p_dev)) {
1362                 for_each_hwfn(p_dev, i)
1363                         ecore_l2_setup(&p_dev->hwfns[i]);
1364                 return;
1365         }
1366
1367         for_each_hwfn(p_dev, i) {
1368                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
1369
1370                 ecore_cxt_mngr_setup(p_hwfn);
1371                 ecore_spq_setup(p_hwfn);
1372                 ecore_eq_setup(p_hwfn);
1373                 ecore_consq_setup(p_hwfn);
1374
1375                 /* Read shadow of current MFW mailbox */
1376                 ecore_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt);
1377                 OSAL_MEMCPY(p_hwfn->mcp_info->mfw_mb_shadow,
1378                             p_hwfn->mcp_info->mfw_mb_cur,
1379                             p_hwfn->mcp_info->mfw_mb_length);
1380
1381                 ecore_int_setup(p_hwfn, p_hwfn->p_main_ptt);
1382
1383                 ecore_l2_setup(p_hwfn);
1384                 ecore_iov_setup(p_hwfn);
1385         }
1386 }
1387
1388 #define FINAL_CLEANUP_POLL_CNT  (100)
1389 #define FINAL_CLEANUP_POLL_TIME (10)
1390 enum _ecore_status_t ecore_final_cleanup(struct ecore_hwfn *p_hwfn,
1391                                          struct ecore_ptt *p_ptt,
1392                                          u16 id, bool is_vf)
1393 {
1394         u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT;
1395         enum _ecore_status_t rc = ECORE_TIMEOUT;
1396
1397 #ifndef ASIC_ONLY
1398         if (CHIP_REV_IS_TEDIBEAR(p_hwfn->p_dev) ||
1399             CHIP_REV_IS_SLOW(p_hwfn->p_dev)) {
1400                 DP_INFO(p_hwfn, "Skipping final cleanup for non-ASIC\n");
1401                 return ECORE_SUCCESS;
1402         }
1403 #endif
1404
1405         addr = GTT_BAR0_MAP_REG_USDM_RAM +
1406             USTORM_FLR_FINAL_ACK_OFFSET(p_hwfn->rel_pf_id);
1407
1408         if (is_vf)
1409                 id += 0x10;
1410
1411         command |= X_FINAL_CLEANUP_AGG_INT <<
1412             SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT;
1413         command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT;
1414         command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT;
1415         command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT;
1416
1417 /* Make sure notification is not set before initiating final cleanup */
1418
1419         if (REG_RD(p_hwfn, addr)) {
1420                 DP_NOTICE(p_hwfn, false,
1421                           "Unexpected; Found final cleanup notification");
1422                 DP_NOTICE(p_hwfn, false,
1423                           " before initiating final cleanup\n");
1424                 REG_WR(p_hwfn, addr, 0);
1425         }
1426
1427         DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
1428                    "Sending final cleanup for PFVF[%d] [Command %08x]\n",
1429                    id, command);
1430
1431         ecore_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command);
1432
1433         /* Poll until completion */
1434         while (!REG_RD(p_hwfn, addr) && count--)
1435                 OSAL_MSLEEP(FINAL_CLEANUP_POLL_TIME);
1436
1437         if (REG_RD(p_hwfn, addr))
1438                 rc = ECORE_SUCCESS;
1439         else
1440                 DP_NOTICE(p_hwfn, true,
1441                           "Failed to receive FW final cleanup notification\n");
1442
1443         /* Cleanup afterwards */
1444         REG_WR(p_hwfn, addr, 0);
1445
1446         return rc;
1447 }
1448
1449 static enum _ecore_status_t ecore_calc_hw_mode(struct ecore_hwfn *p_hwfn)
1450 {
1451         int hw_mode = 0;
1452
1453         if (ECORE_IS_BB_B0(p_hwfn->p_dev)) {
1454                 hw_mode |= 1 << MODE_BB;
1455         } else if (ECORE_IS_AH(p_hwfn->p_dev)) {
1456                 hw_mode |= 1 << MODE_K2;
1457         } else {
1458                 DP_NOTICE(p_hwfn, true, "Unknown chip type %#x\n",
1459                           p_hwfn->p_dev->type);
1460                 return ECORE_INVAL;
1461         }
1462
1463         /* Ports per engine is based on the values in CNIG_REG_NW_PORT_MODE */
1464         switch (p_hwfn->p_dev->num_ports_in_engine) {
1465         case 1:
1466                 hw_mode |= 1 << MODE_PORTS_PER_ENG_1;
1467                 break;
1468         case 2:
1469                 hw_mode |= 1 << MODE_PORTS_PER_ENG_2;
1470                 break;
1471         case 4:
1472                 hw_mode |= 1 << MODE_PORTS_PER_ENG_4;
1473                 break;
1474         default:
1475                 DP_NOTICE(p_hwfn, true,
1476                           "num_ports_in_engine = %d not supported\n",
1477                           p_hwfn->p_dev->num_ports_in_engine);
1478                 return ECORE_INVAL;
1479         }
1480
1481         if (OSAL_TEST_BIT(ECORE_MF_OVLAN_CLSS,
1482                           &p_hwfn->p_dev->mf_bits))
1483                 hw_mode |= 1 << MODE_MF_SD;
1484         else
1485                 hw_mode |= 1 << MODE_MF_SI;
1486
1487 #ifndef ASIC_ONLY
1488         if (CHIP_REV_IS_SLOW(p_hwfn->p_dev)) {
1489                 if (CHIP_REV_IS_FPGA(p_hwfn->p_dev)) {
1490                         hw_mode |= 1 << MODE_FPGA;
1491                 } else {
1492                         if (p_hwfn->p_dev->b_is_emul_full)
1493                                 hw_mode |= 1 << MODE_EMUL_FULL;
1494                         else
1495                                 hw_mode |= 1 << MODE_EMUL_REDUCED;
1496                 }
1497         } else
1498 #endif
1499                 hw_mode |= 1 << MODE_ASIC;
1500
1501         if (ECORE_IS_CMT(p_hwfn->p_dev))
1502                 hw_mode |= 1 << MODE_100G;
1503
1504         p_hwfn->hw_info.hw_mode = hw_mode;
1505
1506         DP_VERBOSE(p_hwfn, (ECORE_MSG_PROBE | ECORE_MSG_IFUP),
1507                    "Configuring function for hw_mode: 0x%08x\n",
1508                    p_hwfn->hw_info.hw_mode);
1509
1510         return ECORE_SUCCESS;
1511 }
1512
1513 #ifndef ASIC_ONLY
1514 /* MFW-replacement initializations for non-ASIC */
1515 static enum _ecore_status_t ecore_hw_init_chip(struct ecore_hwfn *p_hwfn,
1516                                                struct ecore_ptt *p_ptt)
1517 {
1518         struct ecore_dev *p_dev = p_hwfn->p_dev;
1519         u32 pl_hv = 1;
1520         int i;
1521
1522         if (CHIP_REV_IS_EMUL(p_dev)) {
1523                 if (ECORE_IS_AH(p_dev))
1524                         pl_hv |= 0x600;
1525         }
1526
1527         ecore_wr(p_hwfn, p_ptt, MISCS_REG_RESET_PL_HV + 4, pl_hv);
1528
1529         if (CHIP_REV_IS_EMUL(p_dev) &&
1530             (ECORE_IS_AH(p_dev)))
1531                 ecore_wr(p_hwfn, p_ptt, MISCS_REG_RESET_PL_HV_2_K2_E5,
1532                          0x3ffffff);
1533
1534         /* initialize port mode to 4x10G_E (10G with 4x10 SERDES) */
1535         /* CNIG_REG_NW_PORT_MODE is same for A0 and B0 */
1536         if (!CHIP_REV_IS_EMUL(p_dev) || ECORE_IS_BB(p_dev))
1537                 ecore_wr(p_hwfn, p_ptt, CNIG_REG_NW_PORT_MODE_BB, 4);
1538
1539         if (CHIP_REV_IS_EMUL(p_dev)) {
1540                 if (ECORE_IS_AH(p_dev)) {
1541                         /* 2 for 4-port, 1 for 2-port, 0 for 1-port */
1542                         ecore_wr(p_hwfn, p_ptt, MISC_REG_PORT_MODE,
1543                                  (p_dev->num_ports_in_engine >> 1));
1544
1545                         ecore_wr(p_hwfn, p_ptt, MISC_REG_BLOCK_256B_EN,
1546                                  p_dev->num_ports_in_engine == 4 ? 0 : 3);
1547                 }
1548         }
1549
1550         /* Poll on RBC */
1551         ecore_wr(p_hwfn, p_ptt, PSWRQ2_REG_RBC_DONE, 1);
1552         for (i = 0; i < 100; i++) {
1553                 OSAL_UDELAY(50);
1554                 if (ecore_rd(p_hwfn, p_ptt, PSWRQ2_REG_CFG_DONE) == 1)
1555                         break;
1556         }
1557         if (i == 100)
1558                 DP_NOTICE(p_hwfn, true,
1559                           "RBC done failed to complete in PSWRQ2\n");
1560
1561         return ECORE_SUCCESS;
1562 }
1563 #endif
1564
1565 /* Init run time data for all PFs and their VFs on an engine.
1566  * TBD - for VFs - Once we have parent PF info for each VF in
1567  * shmem available as CAU requires knowledge of parent PF for each VF.
1568  */
1569 static void ecore_init_cau_rt_data(struct ecore_dev *p_dev)
1570 {
1571         u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET;
1572         int i, igu_sb_id;
1573
1574         for_each_hwfn(p_dev, i) {
1575                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
1576                 struct ecore_igu_info *p_igu_info;
1577                 struct ecore_igu_block *p_block;
1578                 struct cau_sb_entry sb_entry;
1579
1580                 p_igu_info = p_hwfn->hw_info.p_igu_info;
1581
1582                 for (igu_sb_id = 0;
1583                      igu_sb_id < ECORE_MAPPING_MEMORY_SIZE(p_dev);
1584                      igu_sb_id++) {
1585                         p_block = &p_igu_info->entry[igu_sb_id];
1586
1587                         if (!p_block->is_pf)
1588                                 continue;
1589
1590                         ecore_init_cau_sb_entry(p_hwfn, &sb_entry,
1591                                                 p_block->function_id, 0, 0);
1592                         STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2,
1593                                          sb_entry);
1594                 }
1595         }
1596 }
1597
1598 static void ecore_init_cache_line_size(struct ecore_hwfn *p_hwfn,
1599                                        struct ecore_ptt *p_ptt)
1600 {
1601         u32 val, wr_mbs, cache_line_size;
1602
1603         val = ecore_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0);
1604         switch (val) {
1605         case 0:
1606                 wr_mbs = 128;
1607                 break;
1608         case 1:
1609                 wr_mbs = 256;
1610                 break;
1611         case 2:
1612                 wr_mbs = 512;
1613                 break;
1614         default:
1615                 DP_INFO(p_hwfn,
1616                         "Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
1617                         val);
1618                 return;
1619         }
1620
1621         cache_line_size = OSAL_MIN_T(u32, OSAL_CACHE_LINE_SIZE, wr_mbs);
1622         switch (cache_line_size) {
1623         case 32:
1624                 val = 0;
1625                 break;
1626         case 64:
1627                 val = 1;
1628                 break;
1629         case 128:
1630                 val = 2;
1631                 break;
1632         case 256:
1633                 val = 3;
1634                 break;
1635         default:
1636                 DP_INFO(p_hwfn,
1637                         "Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
1638                         cache_line_size);
1639         }
1640
1641         if (wr_mbs < OSAL_CACHE_LINE_SIZE)
1642                 DP_INFO(p_hwfn,
1643                         "The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n",
1644                         OSAL_CACHE_LINE_SIZE, wr_mbs);
1645
1646         STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val);
1647         if (val > 0) {
1648                 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val);
1649                 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val);
1650         }
1651 }
1652
1653 static enum _ecore_status_t ecore_hw_init_common(struct ecore_hwfn *p_hwfn,
1654                                                  struct ecore_ptt *p_ptt,
1655                                                  int hw_mode)
1656 {
1657         struct ecore_qm_info *qm_info = &p_hwfn->qm_info;
1658         struct ecore_dev *p_dev = p_hwfn->p_dev;
1659         u8 vf_id, max_num_vfs;
1660         u16 num_pfs, pf_id;
1661         u32 concrete_fid;
1662         enum _ecore_status_t rc = ECORE_SUCCESS;
1663
1664         ecore_init_cau_rt_data(p_dev);
1665
1666         /* Program GTT windows */
1667         ecore_gtt_init(p_hwfn, p_ptt);
1668
1669 #ifndef ASIC_ONLY
1670         if (CHIP_REV_IS_EMUL(p_dev)) {
1671                 rc = ecore_hw_init_chip(p_hwfn, p_ptt);
1672                 if (rc != ECORE_SUCCESS)
1673                         return rc;
1674         }
1675 #endif
1676
1677         if (p_hwfn->mcp_info) {
1678                 if (p_hwfn->mcp_info->func_info.bandwidth_max)
1679                         qm_info->pf_rl_en = 1;
1680                 if (p_hwfn->mcp_info->func_info.bandwidth_min)
1681                         qm_info->pf_wfq_en = 1;
1682         }
1683
1684         ecore_qm_common_rt_init(p_hwfn,
1685                                 p_dev->num_ports_in_engine,
1686                                 qm_info->max_phys_tcs_per_port,
1687                                 qm_info->pf_rl_en, qm_info->pf_wfq_en,
1688                                 qm_info->vport_rl_en, qm_info->vport_wfq_en,
1689                                 qm_info->qm_port_params);
1690
1691         ecore_cxt_hw_init_common(p_hwfn);
1692
1693         ecore_init_cache_line_size(p_hwfn, p_ptt);
1694
1695         rc = ecore_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ECORE_PATH_ID(p_hwfn),
1696                             hw_mode);
1697         if (rc != ECORE_SUCCESS)
1698                 return rc;
1699
1700         /* @@TBD MichalK - should add VALIDATE_VFID to init tool...
1701          * need to decide with which value, maybe runtime
1702          */
1703         ecore_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0);
1704         ecore_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1);
1705
1706         if (ECORE_IS_BB(p_dev)) {
1707                 /* Workaround clears ROCE search for all functions to prevent
1708                  * involving non initialized function in processing ROCE packet.
1709                  */
1710                 num_pfs = NUM_OF_ENG_PFS(p_dev);
1711                 for (pf_id = 0; pf_id < num_pfs; pf_id++) {
1712                         ecore_fid_pretend(p_hwfn, p_ptt, pf_id);
1713                         ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
1714                         ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
1715                 }
1716                 /* pretend to original PF */
1717                 ecore_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
1718         }
1719
1720         /* Workaround for avoiding CCFC execution error when getting packets
1721          * with CRC errors, and allowing instead the invoking of the FW error
1722          * handler.
1723          * This is not done inside the init tool since it currently can't
1724          * perform a pretending to VFs.
1725          */
1726         max_num_vfs = ECORE_IS_AH(p_dev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB;
1727         for (vf_id = 0; vf_id < max_num_vfs; vf_id++) {
1728                 concrete_fid = ecore_vfid_to_concrete(p_hwfn, vf_id);
1729                 ecore_fid_pretend(p_hwfn, p_ptt, (u16)concrete_fid);
1730                 ecore_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1);
1731                 ecore_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0);
1732                 ecore_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1);
1733                 ecore_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0);
1734         }
1735         /* pretend to original PF */
1736         ecore_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
1737
1738         return rc;
1739 }
1740
1741 #ifndef ASIC_ONLY
1742 #define MISC_REG_RESET_REG_2_XMAC_BIT (1 << 4)
1743 #define MISC_REG_RESET_REG_2_XMAC_SOFT_BIT (1 << 5)
1744
1745 #define PMEG_IF_BYTE_COUNT      8
1746
1747 static void ecore_wr_nw_port(struct ecore_hwfn *p_hwfn,
1748                              struct ecore_ptt *p_ptt,
1749                              u32 addr, u64 data, u8 reg_type, u8 port)
1750 {
1751         DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
1752                    "CMD: %08x, ADDR: 0x%08x, DATA: %08x:%08x\n",
1753                    ecore_rd(p_hwfn, p_ptt, CNIG_REG_PMEG_IF_CMD_BB) |
1754                    (8 << PMEG_IF_BYTE_COUNT),
1755                    (reg_type << 25) | (addr << 8) | port,
1756                    (u32)((data >> 32) & 0xffffffff),
1757                    (u32)(data & 0xffffffff));
1758
1759         ecore_wr(p_hwfn, p_ptt, CNIG_REG_PMEG_IF_CMD_BB,
1760                  (ecore_rd(p_hwfn, p_ptt, CNIG_REG_PMEG_IF_CMD_BB) &
1761                   0xffff00fe) | (8 << PMEG_IF_BYTE_COUNT));
1762         ecore_wr(p_hwfn, p_ptt, CNIG_REG_PMEG_IF_ADDR_BB,
1763                  (reg_type << 25) | (addr << 8) | port);
1764         ecore_wr(p_hwfn, p_ptt, CNIG_REG_PMEG_IF_WRDATA_BB, data & 0xffffffff);
1765         ecore_wr(p_hwfn, p_ptt, CNIG_REG_PMEG_IF_WRDATA_BB,
1766                  (data >> 32) & 0xffffffff);
1767 }
1768
1769 #define XLPORT_MODE_REG (0x20a)
1770 #define XLPORT_MAC_CONTROL (0x210)
1771 #define XLPORT_FLOW_CONTROL_CONFIG (0x207)
1772 #define XLPORT_ENABLE_REG (0x20b)
1773
1774 #define XLMAC_CTRL (0x600)
1775 #define XLMAC_MODE (0x601)
1776 #define XLMAC_RX_MAX_SIZE (0x608)
1777 #define XLMAC_TX_CTRL (0x604)
1778 #define XLMAC_PAUSE_CTRL (0x60d)
1779 #define XLMAC_PFC_CTRL (0x60e)
1780
1781 static void ecore_emul_link_init_bb(struct ecore_hwfn *p_hwfn,
1782                                     struct ecore_ptt *p_ptt)
1783 {
1784         u8 loopback = 0, port = p_hwfn->port_id * 2;
1785
1786         DP_INFO(p_hwfn->p_dev, "Configurating Emulation Link %02x\n", port);
1787
1788         /* XLPORT MAC MODE *//* 0 Quad, 4 Single... */
1789         ecore_wr_nw_port(p_hwfn, p_ptt, XLPORT_MODE_REG, (0x4 << 4) | 0x4, 1,
1790                          port);
1791         ecore_wr_nw_port(p_hwfn, p_ptt, XLPORT_MAC_CONTROL, 0, 1, port);
1792         /* XLMAC: SOFT RESET */
1793         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_CTRL, 0x40, 0, port);
1794         /* XLMAC: Port Speed >= 10Gbps */
1795         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_MODE, 0x40, 0, port);
1796         /* XLMAC: Max Size */
1797         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_RX_MAX_SIZE, 0x3fff, 0, port);
1798         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_TX_CTRL,
1799                          0x01000000800ULL | (0xa << 12) | ((u64)1 << 38),
1800                          0, port);
1801         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_PAUSE_CTRL, 0x7c000, 0, port);
1802         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_PFC_CTRL,
1803                          0x30ffffc000ULL, 0, port);
1804         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_CTRL, 0x3 | (loopback << 2), 0,
1805                          port); /* XLMAC: TX_EN, RX_EN */
1806         /* XLMAC: TX_EN, RX_EN, SW_LINK_STATUS */
1807         ecore_wr_nw_port(p_hwfn, p_ptt, XLMAC_CTRL,
1808                          0x1003 | (loopback << 2), 0, port);
1809         /* Enabled Parallel PFC interface */
1810         ecore_wr_nw_port(p_hwfn, p_ptt, XLPORT_FLOW_CONTROL_CONFIG, 1, 0, port);
1811
1812         /* XLPORT port enable */
1813         ecore_wr_nw_port(p_hwfn, p_ptt, XLPORT_ENABLE_REG, 0xf, 1, port);
1814 }
1815
1816 static void ecore_emul_link_init_ah_e5(struct ecore_hwfn *p_hwfn,
1817                                        struct ecore_ptt *p_ptt)
1818 {
1819         u8 port = p_hwfn->port_id;
1820         u32 mac_base = NWM_REG_MAC0_K2_E5 + (port << 2) * NWM_REG_MAC0_SIZE;
1821
1822         DP_INFO(p_hwfn->p_dev, "Configurating Emulation Link %02x\n", port);
1823
1824         ecore_wr(p_hwfn, p_ptt, CNIG_REG_NIG_PORT0_CONF_K2_E5 + (port << 2),
1825                  (1 << CNIG_REG_NIG_PORT0_CONF_NIG_PORT_ENABLE_0_K2_E5_SHIFT) |
1826                  (port <<
1827                   CNIG_REG_NIG_PORT0_CONF_NIG_PORT_NWM_PORT_MAP_0_K2_E5_SHIFT) |
1828                  (0 << CNIG_REG_NIG_PORT0_CONF_NIG_PORT_RATE_0_K2_E5_SHIFT));
1829
1830         ecore_wr(p_hwfn, p_ptt, mac_base + ETH_MAC_REG_XIF_MODE_K2_E5,
1831                  1 << ETH_MAC_REG_XIF_MODE_XGMII_K2_E5_SHIFT);
1832
1833         ecore_wr(p_hwfn, p_ptt, mac_base + ETH_MAC_REG_FRM_LENGTH_K2_E5,
1834                  9018 << ETH_MAC_REG_FRM_LENGTH_FRM_LENGTH_K2_E5_SHIFT);
1835
1836         ecore_wr(p_hwfn, p_ptt, mac_base + ETH_MAC_REG_TX_IPG_LENGTH_K2_E5,
1837                  0xc << ETH_MAC_REG_TX_IPG_LENGTH_TXIPG_K2_E5_SHIFT);
1838
1839         ecore_wr(p_hwfn, p_ptt, mac_base + ETH_MAC_REG_RX_FIFO_SECTIONS_K2_E5,
1840                  8 << ETH_MAC_REG_RX_FIFO_SECTIONS_RX_SECTION_FULL_K2_E5_SHIFT);
1841
1842         ecore_wr(p_hwfn, p_ptt, mac_base + ETH_MAC_REG_TX_FIFO_SECTIONS_K2_E5,
1843                  (0xA <<
1844                   ETH_MAC_REG_TX_FIFO_SECTIONS_TX_SECTION_EMPTY_K2_E5_SHIFT) |
1845                  (8 <<
1846                   ETH_MAC_REG_TX_FIFO_SECTIONS_TX_SECTION_FULL_K2_E5_SHIFT));
1847
1848         ecore_wr(p_hwfn, p_ptt, mac_base + ETH_MAC_REG_COMMAND_CONFIG_K2_E5,
1849                  0xa853);
1850 }
1851
1852 static void ecore_emul_link_init(struct ecore_hwfn *p_hwfn,
1853                                  struct ecore_ptt *p_ptt)
1854 {
1855         if (ECORE_IS_AH(p_hwfn->p_dev))
1856                 ecore_emul_link_init_ah_e5(p_hwfn, p_ptt);
1857         else /* BB */
1858                 ecore_emul_link_init_bb(p_hwfn, p_ptt);
1859 }
1860
1861 static void ecore_link_init_bb(struct ecore_hwfn *p_hwfn,
1862                                struct ecore_ptt *p_ptt,  u8 port)
1863 {
1864         int port_offset = port ? 0x800 : 0;
1865         u32 xmac_rxctrl = 0;
1866
1867         /* Reset of XMAC */
1868         /* FIXME: move to common start */
1869         ecore_wr(p_hwfn, p_ptt, MISC_REG_RESET_PL_PDA_VAUX + 2 * sizeof(u32),
1870                  MISC_REG_RESET_REG_2_XMAC_BIT);        /* Clear */
1871         OSAL_MSLEEP(1);
1872         ecore_wr(p_hwfn, p_ptt, MISC_REG_RESET_PL_PDA_VAUX + sizeof(u32),
1873                  MISC_REG_RESET_REG_2_XMAC_BIT);        /* Set */
1874
1875         ecore_wr(p_hwfn, p_ptt, MISC_REG_XMAC_CORE_PORT_MODE_BB, 1);
1876
1877         /* Set the number of ports on the Warp Core to 10G */
1878         ecore_wr(p_hwfn, p_ptt, MISC_REG_XMAC_PHY_PORT_MODE_BB, 3);
1879
1880         /* Soft reset of XMAC */
1881         ecore_wr(p_hwfn, p_ptt, MISC_REG_RESET_PL_PDA_VAUX + 2 * sizeof(u32),
1882                  MISC_REG_RESET_REG_2_XMAC_SOFT_BIT);
1883         OSAL_MSLEEP(1);
1884         ecore_wr(p_hwfn, p_ptt, MISC_REG_RESET_PL_PDA_VAUX + sizeof(u32),
1885                  MISC_REG_RESET_REG_2_XMAC_SOFT_BIT);
1886
1887         /* FIXME: move to common end */
1888         if (CHIP_REV_IS_FPGA(p_hwfn->p_dev))
1889                 ecore_wr(p_hwfn, p_ptt, XMAC_REG_MODE_BB + port_offset, 0x20);
1890
1891         /* Set Max packet size: initialize XMAC block register for port 0 */
1892         ecore_wr(p_hwfn, p_ptt, XMAC_REG_RX_MAX_SIZE_BB + port_offset, 0x2710);
1893
1894         /* CRC append for Tx packets: init XMAC block register for port 1 */
1895         ecore_wr(p_hwfn, p_ptt, XMAC_REG_TX_CTRL_LO_BB + port_offset, 0xC800);
1896
1897         /* Enable TX and RX: initialize XMAC block register for port 1 */
1898         ecore_wr(p_hwfn, p_ptt, XMAC_REG_CTRL_BB + port_offset,
1899                  XMAC_REG_CTRL_TX_EN_BB | XMAC_REG_CTRL_RX_EN_BB);
1900         xmac_rxctrl = ecore_rd(p_hwfn, p_ptt,
1901                                XMAC_REG_RX_CTRL_BB + port_offset);
1902         xmac_rxctrl |= XMAC_REG_RX_CTRL_PROCESS_VARIABLE_PREAMBLE_BB;
1903         ecore_wr(p_hwfn, p_ptt, XMAC_REG_RX_CTRL_BB + port_offset, xmac_rxctrl);
1904 }
1905 #endif
1906
1907 static enum _ecore_status_t
1908 ecore_hw_init_dpi_size(struct ecore_hwfn *p_hwfn,
1909                        struct ecore_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus)
1910 {
1911         u32 dpi_bit_shift, dpi_count, dpi_page_size;
1912         u32 min_dpis;
1913         u32 n_wids;
1914
1915         /* Calculate DPI size
1916          * ------------------
1917          * The PWM region contains Doorbell Pages. The first is reserverd for
1918          * the kernel for, e.g, L2. The others are free to be used by non-
1919          * trusted applications, typically from user space. Each page, called a
1920          * doorbell page is sectioned into windows that allow doorbells to be
1921          * issued in parallel by the kernel/application. The size of such a
1922          * window (a.k.a. WID) is 1kB.
1923          * Summary:
1924          *    1kB WID x N WIDS = DPI page size
1925          *    DPI page size x N DPIs = PWM region size
1926          * Notes:
1927          * The size of the DPI page size must be in multiples of OSAL_PAGE_SIZE
1928          * in order to ensure that two applications won't share the same page.
1929          * It also must contain at least one WID per CPU to allow parallelism.
1930          * It also must be a power of 2, since it is stored as a bit shift.
1931          *
1932          * The DPI page size is stored in a register as 'dpi_bit_shift' so that
1933          * 0 is 4kB, 1 is 8kB and etc. Hence the minimum size is 4,096
1934          * containing 4 WIDs.
1935          */
1936         n_wids = OSAL_MAX_T(u32, ECORE_MIN_WIDS, n_cpus);
1937         dpi_page_size = ECORE_WID_SIZE * OSAL_ROUNDUP_POW_OF_TWO(n_wids);
1938         dpi_page_size = (dpi_page_size + OSAL_PAGE_SIZE - 1) &
1939                         ~(OSAL_PAGE_SIZE - 1);
1940         dpi_bit_shift = OSAL_LOG2(dpi_page_size / 4096);
1941         dpi_count = pwm_region_size / dpi_page_size;
1942
1943         min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis;
1944         min_dpis = OSAL_MAX_T(u32, ECORE_MIN_DPIS, min_dpis);
1945
1946         /* Update hwfn */
1947         p_hwfn->dpi_size = dpi_page_size;
1948         p_hwfn->dpi_count = dpi_count;
1949
1950         /* Update registers */
1951         ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift);
1952
1953         if (dpi_count < min_dpis)
1954                 return ECORE_NORESOURCES;
1955
1956         return ECORE_SUCCESS;
1957 }
1958
1959 enum ECORE_ROCE_EDPM_MODE {
1960         ECORE_ROCE_EDPM_MODE_ENABLE = 0,
1961         ECORE_ROCE_EDPM_MODE_FORCE_ON = 1,
1962         ECORE_ROCE_EDPM_MODE_DISABLE = 2,
1963 };
1964
1965 static enum _ecore_status_t
1966 ecore_hw_init_pf_doorbell_bar(struct ecore_hwfn *p_hwfn,
1967                               struct ecore_ptt *p_ptt)
1968 {
1969         u32 pwm_regsize, norm_regsize;
1970         u32 non_pwm_conn, min_addr_reg1;
1971         u32 db_bar_size, n_cpus;
1972         u32 roce_edpm_mode;
1973         u32 pf_dems_shift;
1974         enum _ecore_status_t rc = ECORE_SUCCESS;
1975         u8 cond;
1976
1977         db_bar_size = ecore_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1);
1978         if (ECORE_IS_CMT(p_hwfn->p_dev))
1979                 db_bar_size /= 2;
1980
1981         /* Calculate doorbell regions
1982          * -----------------------------------
1983          * The doorbell BAR is made of two regions. The first is called normal
1984          * region and the second is called PWM region. In the normal region
1985          * each ICID has its own set of addresses so that writing to that
1986          * specific address identifies the ICID. In the Process Window Mode
1987          * region the ICID is given in the data written to the doorbell. The
1988          * above per PF register denotes the offset in the doorbell BAR in which
1989          * the PWM region begins.
1990          * The normal region has ECORE_PF_DEMS_SIZE bytes per ICID, that is per
1991          * non-PWM connection. The calculation below computes the total non-PWM
1992          * connections. The DORQ_REG_PF_MIN_ADDR_REG1 register is
1993          * in units of 4,096 bytes.
1994          */
1995         non_pwm_conn = ecore_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) +
1996             ecore_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE,
1997                                           OSAL_NULL) +
1998             ecore_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, OSAL_NULL);
1999         norm_regsize = ROUNDUP(ECORE_PF_DEMS_SIZE * non_pwm_conn,
2000                                OSAL_PAGE_SIZE);
2001         min_addr_reg1 = norm_regsize / 4096;
2002         pwm_regsize = db_bar_size - norm_regsize;
2003
2004         /* Check that the normal and PWM sizes are valid */
2005         if (db_bar_size < norm_regsize) {
2006                 DP_ERR(p_hwfn->p_dev,
2007                        "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n",
2008                        db_bar_size, norm_regsize);
2009                 return ECORE_NORESOURCES;
2010         }
2011         if (pwm_regsize < ECORE_MIN_PWM_REGION) {
2012                 DP_ERR(p_hwfn->p_dev,
2013                        "PWM region size 0x%0x is too small. Should be at least 0x%0x (Doorbell BAR size is 0x%x and normal region size is 0x%0x)\n",
2014                        pwm_regsize, ECORE_MIN_PWM_REGION, db_bar_size,
2015                        norm_regsize);
2016                 return ECORE_NORESOURCES;
2017         }
2018
2019         /* Calculate number of DPIs */
2020         roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode;
2021         if ((roce_edpm_mode == ECORE_ROCE_EDPM_MODE_ENABLE) ||
2022             ((roce_edpm_mode == ECORE_ROCE_EDPM_MODE_FORCE_ON))) {
2023                 /* Either EDPM is mandatory, or we are attempting to allocate a
2024                  * WID per CPU.
2025                  */
2026                 n_cpus = OSAL_NUM_CPUS();
2027                 rc = ecore_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
2028         }
2029
2030         cond = ((rc != ECORE_SUCCESS) &&
2031                 (roce_edpm_mode == ECORE_ROCE_EDPM_MODE_ENABLE)) ||
2032                 (roce_edpm_mode == ECORE_ROCE_EDPM_MODE_DISABLE);
2033         if (cond || p_hwfn->dcbx_no_edpm) {
2034                 /* Either EDPM is disabled from user configuration, or it is
2035                  * disabled via DCBx, or it is not mandatory and we failed to
2036                  * allocated a WID per CPU.
2037                  */
2038                 n_cpus = 1;
2039                 rc = ecore_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
2040
2041                 /* If we entered this flow due to DCBX then the DPM register is
2042                  * already configured.
2043                  */
2044         }
2045
2046         DP_INFO(p_hwfn,
2047                 "doorbell bar: normal_region_size=%d, pwm_region_size=%d",
2048                 norm_regsize, pwm_regsize);
2049         DP_INFO(p_hwfn,
2050                 " dpi_size=%d, dpi_count=%d, roce_edpm=%s\n",
2051                 p_hwfn->dpi_size, p_hwfn->dpi_count,
2052                 ((p_hwfn->dcbx_no_edpm) || (p_hwfn->db_bar_no_edpm)) ?
2053                 "disabled" : "enabled");
2054
2055         /* Check return codes from above calls */
2056         if (rc != ECORE_SUCCESS) {
2057                 DP_ERR(p_hwfn,
2058                        "Failed to allocate enough DPIs\n");
2059                 return ECORE_NORESOURCES;
2060         }
2061
2062         /* Update hwfn */
2063         p_hwfn->dpi_start_offset = norm_regsize;
2064
2065         /* Update registers */
2066         /* DEMS size is configured log2 of DWORDs, hence the division by 4 */
2067         pf_dems_shift = OSAL_LOG2(ECORE_PF_DEMS_SIZE / 4);
2068         ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift);
2069         ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1);
2070
2071         return ECORE_SUCCESS;
2072 }
2073
2074 static enum _ecore_status_t ecore_hw_init_port(struct ecore_hwfn *p_hwfn,
2075                                                struct ecore_ptt *p_ptt,
2076                                                int hw_mode)
2077 {
2078         u32 ppf_to_eng_sel[NIG_REG_PPF_TO_ENGINE_SEL_RT_SIZE];
2079         u32 val;
2080         enum _ecore_status_t rc = ECORE_SUCCESS;
2081         u8 i;
2082
2083         /* In CMT for non-RoCE packets - use connection based classification */
2084         val = ECORE_IS_CMT(p_hwfn->p_dev) ? 0x8 : 0x0;
2085         for (i = 0; i < NIG_REG_PPF_TO_ENGINE_SEL_RT_SIZE; i++)
2086                 ppf_to_eng_sel[i] = val;
2087         STORE_RT_REG_AGG(p_hwfn, NIG_REG_PPF_TO_ENGINE_SEL_RT_OFFSET,
2088                          ppf_to_eng_sel);
2089
2090         /* In CMT the gate should be cleared by the 2nd hwfn */
2091         if (!ECORE_IS_CMT(p_hwfn->p_dev) || !IS_LEAD_HWFN(p_hwfn))
2092                 STORE_RT_REG(p_hwfn, NIG_REG_BRB_GATE_DNTFWD_PORT_RT_OFFSET, 0);
2093
2094         rc = ecore_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id,
2095                             hw_mode);
2096         if (rc != ECORE_SUCCESS)
2097                 return rc;
2098
2099         ecore_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0);
2100
2101 #ifndef ASIC_ONLY
2102         if (CHIP_REV_IS_ASIC(p_hwfn->p_dev))
2103                 return ECORE_SUCCESS;
2104
2105         if (CHIP_REV_IS_FPGA(p_hwfn->p_dev)) {
2106                 if (ECORE_IS_AH(p_hwfn->p_dev))
2107                         return ECORE_SUCCESS;
2108                 else if (ECORE_IS_BB(p_hwfn->p_dev))
2109                         ecore_link_init_bb(p_hwfn, p_ptt, p_hwfn->port_id);
2110         } else if (CHIP_REV_IS_EMUL(p_hwfn->p_dev)) {
2111                 if (ECORE_IS_CMT(p_hwfn->p_dev)) {
2112                         /* Activate OPTE in CMT */
2113                         u32 val;
2114
2115                         val = ecore_rd(p_hwfn, p_ptt, MISCS_REG_RESET_PL_HV);
2116                         val |= 0x10;
2117                         ecore_wr(p_hwfn, p_ptt, MISCS_REG_RESET_PL_HV, val);
2118                         ecore_wr(p_hwfn, p_ptt, MISC_REG_CLK_100G_MODE, 1);
2119                         ecore_wr(p_hwfn, p_ptt, MISCS_REG_CLK_100G_MODE, 1);
2120                         ecore_wr(p_hwfn, p_ptt, MISC_REG_OPTE_MODE, 1);
2121                         ecore_wr(p_hwfn, p_ptt,
2122                                  NIG_REG_LLH_ENG_CLS_TCP_4_TUPLE_SEARCH, 1);
2123                         ecore_wr(p_hwfn, p_ptt,
2124                                  NIG_REG_LLH_ENG_CLS_ENG_ID_TBL, 0x55555555);
2125                         ecore_wr(p_hwfn, p_ptt,
2126                                  NIG_REG_LLH_ENG_CLS_ENG_ID_TBL + 0x4,
2127                                  0x55555555);
2128                 }
2129
2130                 ecore_emul_link_init(p_hwfn, p_ptt);
2131         } else {
2132                 DP_INFO(p_hwfn->p_dev, "link is not being configured\n");
2133         }
2134 #endif
2135
2136         return rc;
2137 }
2138
2139 static enum _ecore_status_t
2140 ecore_hw_init_pf(struct ecore_hwfn *p_hwfn,
2141                  struct ecore_ptt *p_ptt,
2142                  struct ecore_tunnel_info *p_tunn,
2143                  int hw_mode,
2144                  bool b_hw_start,
2145                  enum ecore_int_mode int_mode, bool allow_npar_tx_switch)
2146 {
2147         u8 rel_pf_id = p_hwfn->rel_pf_id;
2148         u32 prs_reg;
2149         enum _ecore_status_t rc = ECORE_SUCCESS;
2150         u16 ctrl;
2151         int pos;
2152
2153         if (p_hwfn->mcp_info) {
2154                 struct ecore_mcp_function_info *p_info;
2155
2156                 p_info = &p_hwfn->mcp_info->func_info;
2157                 if (p_info->bandwidth_min)
2158                         p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min;
2159
2160                 /* Update rate limit once we'll actually have a link */
2161                 p_hwfn->qm_info.pf_rl = 100000;
2162         }
2163         ecore_cxt_hw_init_pf(p_hwfn, p_ptt);
2164
2165         ecore_int_igu_init_rt(p_hwfn);
2166
2167         /* Set VLAN in NIG if needed */
2168         if (hw_mode & (1 << MODE_MF_SD)) {
2169                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, "Configuring LLH_FUNC_TAG\n");
2170                 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1);
2171                 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET,
2172                              p_hwfn->hw_info.ovlan);
2173
2174                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
2175                            "Configuring LLH_FUNC_FILTER_HDR_SEL\n");
2176                 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET,
2177                              1);
2178         }
2179
2180         /* Enable classification by MAC if needed */
2181         if (hw_mode & (1 << MODE_MF_SI)) {
2182                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
2183                            "Configuring TAGMAC_CLS_TYPE\n");
2184                 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET,
2185                              1);
2186         }
2187
2188         /* Protocl Configuration  - @@@TBD - should we set 0 otherwise? */
2189         STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET,
2190                      (p_hwfn->hw_info.personality == ECORE_PCI_ISCSI) ? 1 : 0);
2191         STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET,
2192                      (p_hwfn->hw_info.personality == ECORE_PCI_FCOE) ? 1 : 0);
2193         STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);
2194
2195         /* perform debug configuration when chip is out of reset */
2196         OSAL_BEFORE_PF_START((void *)p_hwfn->p_dev, p_hwfn->my_id);
2197
2198         /* Sanity check before the PF init sequence that uses DMAE */
2199         rc = ecore_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
2200         if (rc)
2201                 return rc;
2202
2203         /* PF Init sequence */
2204         rc = ecore_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode);
2205         if (rc)
2206                 return rc;
2207
2208         /* QM_PF Init sequence (may be invoked separately e.g. for DCB) */
2209         rc = ecore_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode);
2210         if (rc)
2211                 return rc;
2212
2213         /* Pure runtime initializations - directly to the HW  */
2214         ecore_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true);
2215
2216         /* PCI relaxed ordering causes a decrease in the performance on some
2217          * systems. Till a root cause is found, disable this attribute in the
2218          * PCI config space.
2219          */
2220         /* Not in use @DPDK
2221         * pos = OSAL_PCI_FIND_CAPABILITY(p_hwfn->p_dev, PCI_CAP_ID_EXP);
2222         * if (!pos) {
2223         *       DP_NOTICE(p_hwfn, true,
2224         *                 "Failed to find the PCIe Cap\n");
2225         *       return ECORE_IO;
2226         * }
2227         * OSAL_PCI_READ_CONFIG_WORD(p_hwfn->p_dev, pos + PCI_EXP_DEVCTL, &ctrl);
2228         * ctrl &= ~PCI_EXP_DEVCTL_RELAX_EN;
2229         * OSAL_PCI_WRITE_CONFIG_WORD(p_hwfn->p_dev, pos + PCI_EXP_DEVCTL, ctrl);
2230         */
2231
2232         rc = ecore_hw_init_pf_doorbell_bar(p_hwfn, p_ptt);
2233         if (rc)
2234                 return rc;
2235         if (b_hw_start) {
2236                 /* enable interrupts */
2237                 rc = ecore_int_igu_enable(p_hwfn, p_ptt, int_mode);
2238                 if (rc != ECORE_SUCCESS)
2239                         return rc;
2240
2241                 /* send function start command */
2242                 rc = ecore_sp_pf_start(p_hwfn, p_ptt, p_tunn,
2243                                        allow_npar_tx_switch);
2244                 if (rc) {
2245                         DP_NOTICE(p_hwfn, true,
2246                                   "Function start ramrod failed\n");
2247                 } else {
2248                         return rc;
2249                 }
2250                 prs_reg = ecore_rd(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1);
2251                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2252                                 "PRS_REG_SEARCH_TAG1: %x\n", prs_reg);
2253
2254                 if (p_hwfn->hw_info.personality == ECORE_PCI_FCOE) {
2255                         ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1,
2256                                         (1 << 2));
2257                         ecore_wr(p_hwfn, p_ptt,
2258                                  PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST,
2259                                  0x100);
2260                 }
2261                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2262                                 "PRS_REG_SEARCH registers after start PFn\n");
2263                 prs_reg = ecore_rd(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP);
2264                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2265                                 "PRS_REG_SEARCH_TCP: %x\n", prs_reg);
2266                 prs_reg = ecore_rd(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP);
2267                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2268                                 "PRS_REG_SEARCH_UDP: %x\n", prs_reg);
2269                 prs_reg = ecore_rd(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE);
2270                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2271                                 "PRS_REG_SEARCH_FCOE: %x\n", prs_reg);
2272                 prs_reg = ecore_rd(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE);
2273                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2274                                 "PRS_REG_SEARCH_ROCE: %x\n", prs_reg);
2275                 prs_reg = ecore_rd(p_hwfn, p_ptt,
2276                                 PRS_REG_SEARCH_TCP_FIRST_FRAG);
2277                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2278                                 "PRS_REG_SEARCH_TCP_FIRST_FRAG: %x\n",
2279                                 prs_reg);
2280                 prs_reg = ecore_rd(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1);
2281                 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
2282                                 "PRS_REG_SEARCH_TAG1: %x\n", prs_reg);
2283         }
2284         return ECORE_SUCCESS;
2285 }
2286
2287 enum _ecore_status_t ecore_pglueb_set_pfid_enable(struct ecore_hwfn *p_hwfn,
2288                                                   struct ecore_ptt *p_ptt,
2289                                                   bool b_enable)
2290 {
2291         u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;
2292
2293         /* Configure the PF's internal FID_enable for master transactions */
2294         ecore_wr(p_hwfn, p_ptt,
2295                  PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
2296
2297         /* Wait until value is set - try for 1 second every 50us */
2298         for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
2299                 val = ecore_rd(p_hwfn, p_ptt,
2300                                PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
2301                 if (val == set_val)
2302                         break;
2303
2304                 OSAL_UDELAY(50);
2305         }
2306
2307         if (val != set_val) {
2308                 DP_NOTICE(p_hwfn, true,
2309                           "PFID_ENABLE_MASTER wasn't changed after a second\n");
2310                 return ECORE_UNKNOWN_ERROR;
2311         }
2312
2313         return ECORE_SUCCESS;
2314 }
2315
2316 static void ecore_reset_mb_shadow(struct ecore_hwfn *p_hwfn,
2317                                   struct ecore_ptt *p_main_ptt)
2318 {
2319         /* Read shadow of current MFW mailbox */
2320         ecore_mcp_read_mb(p_hwfn, p_main_ptt);
2321         OSAL_MEMCPY(p_hwfn->mcp_info->mfw_mb_shadow,
2322                     p_hwfn->mcp_info->mfw_mb_cur,
2323                     p_hwfn->mcp_info->mfw_mb_length);
2324 }
2325
2326 static void ecore_pglueb_clear_err(struct ecore_hwfn *p_hwfn,
2327                                    struct ecore_ptt *p_ptt)
2328 {
2329         ecore_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
2330                  1 << p_hwfn->abs_pf_id);
2331 }
2332
2333 static enum _ecore_status_t
2334 ecore_fill_load_req_params(struct ecore_hwfn *p_hwfn,
2335                            struct ecore_load_req_params *p_load_req,
2336                            struct ecore_drv_load_params *p_drv_load)
2337 {
2338         /* Make sure that if ecore-client didn't provide inputs, all the
2339          * expected defaults are indeed zero.
2340          */
2341         OSAL_BUILD_BUG_ON(ECORE_DRV_ROLE_OS != 0);
2342         OSAL_BUILD_BUG_ON(ECORE_LOAD_REQ_LOCK_TO_DEFAULT != 0);
2343         OSAL_BUILD_BUG_ON(ECORE_OVERRIDE_FORCE_LOAD_NONE != 0);
2344
2345         OSAL_MEM_ZERO(p_load_req, sizeof(*p_load_req));
2346
2347         if (p_drv_load == OSAL_NULL)
2348                 goto out;
2349
2350         p_load_req->drv_role = p_drv_load->is_crash_kernel ?
2351                                ECORE_DRV_ROLE_KDUMP :
2352                                ECORE_DRV_ROLE_OS;
2353         p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
2354         p_load_req->override_force_load = p_drv_load->override_force_load;
2355
2356         /* Old MFW versions don't support timeout values other than default and
2357          * none, so these values are replaced according to the fall-back action.
2358          */
2359
2360         if (p_drv_load->mfw_timeout_val == ECORE_LOAD_REQ_LOCK_TO_DEFAULT ||
2361             p_drv_load->mfw_timeout_val == ECORE_LOAD_REQ_LOCK_TO_NONE ||
2362             (p_hwfn->mcp_info->capabilities &
2363              FW_MB_PARAM_FEATURE_SUPPORT_DRV_LOAD_TO)) {
2364                 p_load_req->timeout_val = p_drv_load->mfw_timeout_val;
2365                 goto out;
2366         }
2367
2368         switch (p_drv_load->mfw_timeout_fallback) {
2369         case ECORE_TO_FALLBACK_TO_NONE:
2370                 p_load_req->timeout_val = ECORE_LOAD_REQ_LOCK_TO_NONE;
2371                 break;
2372         case ECORE_TO_FALLBACK_TO_DEFAULT:
2373                 p_load_req->timeout_val = ECORE_LOAD_REQ_LOCK_TO_DEFAULT;
2374                 break;
2375         case ECORE_TO_FALLBACK_FAIL_LOAD:
2376                 DP_NOTICE(p_hwfn, false,
2377                           "Received %d as a value for MFW timeout while the MFW supports only default [%d] or none [%d]. Abort.\n",
2378                           p_drv_load->mfw_timeout_val,
2379                           ECORE_LOAD_REQ_LOCK_TO_DEFAULT,
2380                           ECORE_LOAD_REQ_LOCK_TO_NONE);
2381                 return ECORE_ABORTED;
2382         }
2383
2384         DP_INFO(p_hwfn,
2385                 "Modified the MFW timeout value from %d to %s [%d] due to lack of MFW support\n",
2386                 p_drv_load->mfw_timeout_val,
2387                 (p_load_req->timeout_val == ECORE_LOAD_REQ_LOCK_TO_DEFAULT) ?
2388                 "default" : "none",
2389                 p_load_req->timeout_val);
2390 out:
2391         return ECORE_SUCCESS;
2392 }
2393
2394 enum _ecore_status_t ecore_vf_start(struct ecore_hwfn *p_hwfn,
2395                                     struct ecore_hw_init_params *p_params)
2396 {
2397         if (p_params->p_tunn) {
2398                 ecore_vf_set_vf_start_tunn_update_param(p_params->p_tunn);
2399                 ecore_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn);
2400         }
2401
2402         p_hwfn->b_int_enabled = 1;
2403
2404         return ECORE_SUCCESS;
2405 }
2406
2407 enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
2408                                    struct ecore_hw_init_params *p_params)
2409 {
2410         struct ecore_load_req_params load_req_params;
2411         u32 load_code, resp, param, drv_mb_param;
2412         bool b_default_mtu = true;
2413         struct ecore_hwfn *p_hwfn;
2414         enum _ecore_status_t rc = ECORE_SUCCESS;
2415         int i;
2416
2417         if ((p_params->int_mode == ECORE_INT_MODE_MSI) && ECORE_IS_CMT(p_dev)) {
2418                 DP_NOTICE(p_dev, false,
2419                           "MSI mode is not supported for CMT devices\n");
2420                 return ECORE_INVAL;
2421         }
2422
2423         if (IS_PF(p_dev)) {
2424                 rc = ecore_init_fw_data(p_dev, p_params->bin_fw_data);
2425                 if (rc != ECORE_SUCCESS)
2426                         return rc;
2427         }
2428
2429         for_each_hwfn(p_dev, i) {
2430                 p_hwfn = &p_dev->hwfns[i];
2431
2432                 /* If management didn't provide a default, set one of our own */
2433                 if (!p_hwfn->hw_info.mtu) {
2434                         p_hwfn->hw_info.mtu = 1500;
2435                         b_default_mtu = false;
2436                 }
2437
2438                 if (IS_VF(p_dev)) {
2439                         ecore_vf_start(p_hwfn, p_params);
2440                         continue;
2441                 }
2442
2443                 rc = ecore_calc_hw_mode(p_hwfn);
2444                 if (rc != ECORE_SUCCESS)
2445                         return rc;
2446
2447                 ecore_set_spq_block_timeout(p_hwfn, p_params->spq_timeout_ms);
2448
2449                 rc = ecore_fill_load_req_params(p_hwfn, &load_req_params,
2450                                                 p_params->p_drv_load_params);
2451                 if (rc != ECORE_SUCCESS)
2452                         return rc;
2453
2454                 rc = ecore_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt,
2455                                         &load_req_params);
2456                 if (rc != ECORE_SUCCESS) {
2457                         DP_NOTICE(p_hwfn, false,
2458                                   "Failed sending a LOAD_REQ command\n");
2459                         return rc;
2460                 }
2461
2462                 load_code = load_req_params.load_code;
2463                 DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
2464                            "Load request was sent. Load code: 0x%x\n",
2465                            load_code);
2466
2467                 ecore_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt);
2468
2469                 /* CQ75580:
2470                  * When coming back from hiberbate state, the registers from
2471                  * which shadow is read initially are not initialized. It turns
2472                  * out that these registers get initialized during the call to
2473                  * ecore_mcp_load_req request. So we need to reread them here
2474                  * to get the proper shadow register value.
2475                  * Note: This is a workaround for the missing MFW
2476                  * initialization. It may be removed once the implementation
2477                  * is done.
2478                  */
2479                 ecore_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
2480
2481                 /* Only relevant for recovery:
2482                  * Clear the indication after the LOAD_REQ command is responded
2483                  * by the MFW.
2484                  */
2485                 p_dev->recov_in_prog = false;
2486
2487                 p_hwfn->first_on_engine = (load_code ==
2488                                            FW_MSG_CODE_DRV_LOAD_ENGINE);
2489
2490                 if (!qm_lock_ref_cnt) {
2491 #ifdef CONFIG_ECORE_LOCK_ALLOC
2492                         rc = OSAL_SPIN_LOCK_ALLOC(p_hwfn, &qm_lock);
2493                         if (rc) {
2494                                 DP_ERR(p_hwfn, "qm_lock allocation failed\n");
2495                                 goto qm_lock_fail;
2496                         }
2497 #endif
2498                         OSAL_SPIN_LOCK_INIT(&qm_lock);
2499                 }
2500                 ++qm_lock_ref_cnt;
2501
2502                 /* Clean up chip from previous driver if such remains exist.
2503                  * This is not needed when the PF is the first one on the
2504                  * engine, since afterwards we are going to init the FW.
2505                  */
2506                 if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) {
2507                         rc = ecore_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
2508                                                  p_hwfn->rel_pf_id, false);
2509                         if (rc != ECORE_SUCCESS) {
2510                                 ecore_hw_err_notify(p_hwfn,
2511                                                     ECORE_HW_ERR_RAMROD_FAIL);
2512                                 goto load_err;
2513                         }
2514                 }
2515
2516                 /* Log and clean previous pglue_b errors if such exist */
2517                 ecore_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt, true);
2518                 ecore_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
2519
2520                 /* Enable the PF's internal FID_enable in the PXP */
2521                 rc = ecore_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
2522                                                   true);
2523                 if (rc != ECORE_SUCCESS)
2524                         goto load_err;
2525
2526                 switch (load_code) {
2527                 case FW_MSG_CODE_DRV_LOAD_ENGINE:
2528                         rc = ecore_hw_init_common(p_hwfn, p_hwfn->p_main_ptt,
2529                                                   p_hwfn->hw_info.hw_mode);
2530                         if (rc != ECORE_SUCCESS)
2531                                 break;
2532                         /* Fall into */
2533                 case FW_MSG_CODE_DRV_LOAD_PORT:
2534                         rc = ecore_hw_init_port(p_hwfn, p_hwfn->p_main_ptt,
2535                                                 p_hwfn->hw_info.hw_mode);
2536                         if (rc != ECORE_SUCCESS)
2537                                 break;
2538                         /* Fall into */
2539                 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
2540                         rc = ecore_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt,
2541                                               p_params->p_tunn,
2542                                               p_hwfn->hw_info.hw_mode,
2543                                               p_params->b_hw_start,
2544                                               p_params->int_mode,
2545                                               p_params->allow_npar_tx_switch);
2546                         break;
2547                 default:
2548                         DP_NOTICE(p_hwfn, false,
2549                                   "Unexpected load code [0x%08x]", load_code);
2550                         rc = ECORE_NOTIMPL;
2551                         break;
2552                 }
2553
2554                 if (rc != ECORE_SUCCESS) {
2555                         DP_NOTICE(p_hwfn, false,
2556                                   "init phase failed for loadcode 0x%x (rc %d)\n",
2557                                   load_code, rc);
2558                         goto load_err;
2559                 }
2560
2561                 rc = ecore_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
2562                 if (rc != ECORE_SUCCESS) {
2563                         DP_NOTICE(p_hwfn, false,
2564                                   "Sending load done failed, rc = %d\n", rc);
2565                         if (rc == ECORE_NOMEM) {
2566                                 DP_NOTICE(p_hwfn, false,
2567                                           "Sending load done was failed due to memory allocation failure\n");
2568                                 goto load_err;
2569                         }
2570                         return rc;
2571                 }
2572
2573                 /* send DCBX attention request command */
2574                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
2575                            "sending phony dcbx set command to trigger DCBx attention handling\n");
2576                 rc = ecore_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
2577                                    DRV_MSG_CODE_SET_DCBX,
2578                                    1 << DRV_MB_PARAM_DCBX_NOTIFY_OFFSET, &resp,
2579                                    &param);
2580                 if (rc != ECORE_SUCCESS) {
2581                         DP_NOTICE(p_hwfn, false,
2582                                   "Failed to send DCBX attention request\n");
2583                         return rc;
2584                 }
2585
2586                 p_hwfn->hw_init_done = true;
2587         }
2588
2589         if (IS_PF(p_dev)) {
2590                 p_hwfn = ECORE_LEADING_HWFN(p_dev);
2591                 drv_mb_param = STORM_FW_VERSION;
2592                 rc = ecore_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
2593                                    DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER,
2594                                    drv_mb_param, &resp, &param);
2595                 if (rc != ECORE_SUCCESS)
2596                         DP_INFO(p_hwfn, "Failed to update firmware version\n");
2597
2598                 if (!b_default_mtu)
2599                         rc = ecore_mcp_ov_update_mtu(p_hwfn, p_hwfn->p_main_ptt,
2600                                                       p_hwfn->hw_info.mtu);
2601                 if (rc != ECORE_SUCCESS)
2602                         DP_INFO(p_hwfn, "Failed to update default mtu\n");
2603
2604                 rc = ecore_mcp_ov_update_driver_state(p_hwfn,
2605                                                       p_hwfn->p_main_ptt,
2606                                                 ECORE_OV_DRIVER_STATE_DISABLED);
2607                 if (rc != ECORE_SUCCESS)
2608                         DP_INFO(p_hwfn, "Failed to update driver state\n");
2609         }
2610
2611         return rc;
2612
2613 load_err:
2614         --qm_lock_ref_cnt;
2615 #ifdef CONFIG_ECORE_LOCK_ALLOC
2616         if (!qm_lock_ref_cnt)
2617                 OSAL_SPIN_LOCK_DEALLOC(&qm_lock);
2618 qm_lock_fail:
2619 #endif
2620         /* The MFW load lock should be released regardless of success or failure
2621          * of initialization.
2622          * TODO: replace this with an attempt to send cancel_load.
2623          */
2624         ecore_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
2625         return rc;
2626 }
2627
2628 #define ECORE_HW_STOP_RETRY_LIMIT       (10)
2629 static void ecore_hw_timers_stop(struct ecore_dev *p_dev,
2630                                  struct ecore_hwfn *p_hwfn,
2631                                  struct ecore_ptt *p_ptt)
2632 {
2633         int i;
2634
2635         /* close timers */
2636         ecore_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0);
2637         ecore_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0);
2638         for (i = 0; i < ECORE_HW_STOP_RETRY_LIMIT && !p_dev->recov_in_prog;
2639                                                                         i++) {
2640                 if ((!ecore_rd(p_hwfn, p_ptt,
2641                                TM_REG_PF_SCAN_ACTIVE_CONN)) &&
2642                     (!ecore_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)))
2643                         break;
2644
2645                 /* Dependent on number of connection/tasks, possibly
2646                  * 1ms sleep is required between polls
2647                  */
2648                 OSAL_MSLEEP(1);
2649         }
2650
2651         if (i < ECORE_HW_STOP_RETRY_LIMIT)
2652                 return;
2653
2654         DP_NOTICE(p_hwfn, false,
2655                   "Timers linear scans are not over [Connection %02x Tasks %02x]\n",
2656                   (u8)ecore_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN),
2657                   (u8)ecore_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK));
2658 }
2659
2660 void ecore_hw_timers_stop_all(struct ecore_dev *p_dev)
2661 {
2662         int j;
2663
2664         for_each_hwfn(p_dev, j) {
2665                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[j];
2666                 struct ecore_ptt *p_ptt = p_hwfn->p_main_ptt;
2667
2668                 ecore_hw_timers_stop(p_dev, p_hwfn, p_ptt);
2669         }
2670 }
2671
2672 static enum _ecore_status_t ecore_verify_reg_val(struct ecore_hwfn *p_hwfn,
2673                                                  struct ecore_ptt *p_ptt,
2674                                                  u32 addr, u32 expected_val)
2675 {
2676         u32 val = ecore_rd(p_hwfn, p_ptt, addr);
2677
2678         if (val != expected_val) {
2679                 DP_NOTICE(p_hwfn, true,
2680                           "Value at address 0x%08x is 0x%08x while the expected value is 0x%08x\n",
2681                           addr, val, expected_val);
2682                 return ECORE_UNKNOWN_ERROR;
2683         }
2684
2685         return ECORE_SUCCESS;
2686 }
2687
2688 enum _ecore_status_t ecore_hw_stop(struct ecore_dev *p_dev)
2689 {
2690         struct ecore_hwfn *p_hwfn;
2691         struct ecore_ptt *p_ptt;
2692         enum _ecore_status_t rc, rc2 = ECORE_SUCCESS;
2693         int j;
2694
2695         for_each_hwfn(p_dev, j) {
2696                 p_hwfn = &p_dev->hwfns[j];
2697                 p_ptt = p_hwfn->p_main_ptt;
2698
2699                 DP_VERBOSE(p_hwfn, ECORE_MSG_IFDOWN, "Stopping hw/fw\n");
2700
2701                 if (IS_VF(p_dev)) {
2702                         ecore_vf_pf_int_cleanup(p_hwfn);
2703                         rc = ecore_vf_pf_reset(p_hwfn);
2704                         if (rc != ECORE_SUCCESS) {
2705                                 DP_NOTICE(p_hwfn, true,
2706                                           "ecore_vf_pf_reset failed. rc = %d.\n",
2707                                           rc);
2708                                 rc2 = ECORE_UNKNOWN_ERROR;
2709                         }
2710                         continue;
2711                 }
2712
2713                 /* mark the hw as uninitialized... */
2714                 p_hwfn->hw_init_done = false;
2715
2716                 /* Send unload command to MCP */
2717                 if (!p_dev->recov_in_prog) {
2718                         rc = ecore_mcp_unload_req(p_hwfn, p_ptt);
2719                         if (rc != ECORE_SUCCESS) {
2720                                 DP_NOTICE(p_hwfn, false,
2721                                           "Failed sending a UNLOAD_REQ command. rc = %d.\n",
2722                                           rc);
2723                                 rc2 = ECORE_UNKNOWN_ERROR;
2724                         }
2725                 }
2726
2727                 OSAL_DPC_SYNC(p_hwfn);
2728
2729                 /* After this point no MFW attentions are expected, e.g. prevent
2730                  * race between pf stop and dcbx pf update.
2731                  */
2732
2733                 rc = ecore_sp_pf_stop(p_hwfn);
2734                 if (rc != ECORE_SUCCESS) {
2735                         DP_NOTICE(p_hwfn, false,
2736                                   "Failed to close PF against FW [rc = %d]. Continue to stop HW to prevent illegal host access by the device.\n",
2737                                   rc);
2738                         rc2 = ECORE_UNKNOWN_ERROR;
2739                 }
2740
2741                 /* perform debug action after PF stop was sent */
2742                 OSAL_AFTER_PF_STOP((void *)p_dev, p_hwfn->my_id);
2743
2744                 /* close NIG to BRB gate */
2745                 ecore_wr(p_hwfn, p_ptt,
2746                          NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
2747
2748                 /* close parser */
2749                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
2750                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
2751                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
2752                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
2753                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
2754
2755                 /* @@@TBD - clean transmission queues (5.b) */
2756                 /* @@@TBD - clean BTB (5.c) */
2757
2758                 ecore_hw_timers_stop(p_dev, p_hwfn, p_ptt);
2759
2760                 /* @@@TBD - verify DMAE requests are done (8) */
2761
2762                 /* Disable Attention Generation */
2763                 ecore_int_igu_disable_int(p_hwfn, p_ptt);
2764                 ecore_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0);
2765                 ecore_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0);
2766                 ecore_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true);
2767                 rc = ecore_int_igu_reset_cam_default(p_hwfn, p_ptt);
2768                 if (rc != ECORE_SUCCESS) {
2769                         DP_NOTICE(p_hwfn, true,
2770                                   "Failed to return IGU CAM to default\n");
2771                         rc2 = ECORE_UNKNOWN_ERROR;
2772                 }
2773
2774                 /* Need to wait 1ms to guarantee SBs are cleared */
2775                 OSAL_MSLEEP(1);
2776
2777                 if (!p_dev->recov_in_prog) {
2778                         ecore_verify_reg_val(p_hwfn, p_ptt,
2779                                              QM_REG_USG_CNT_PF_TX, 0);
2780                         ecore_verify_reg_val(p_hwfn, p_ptt,
2781                                              QM_REG_USG_CNT_PF_OTHER, 0);
2782                         /* @@@TBD - assert on incorrect xCFC values (10.b) */
2783                 }
2784
2785                 /* Disable PF in HW blocks */
2786                 ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0);
2787                 ecore_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0);
2788
2789                 --qm_lock_ref_cnt;
2790 #ifdef CONFIG_ECORE_LOCK_ALLOC
2791                 if (!qm_lock_ref_cnt)
2792                         OSAL_SPIN_LOCK_DEALLOC(&qm_lock);
2793 #endif
2794
2795                 if (!p_dev->recov_in_prog) {
2796                         rc = ecore_mcp_unload_done(p_hwfn, p_ptt);
2797                         if (rc == ECORE_NOMEM) {
2798                                 DP_NOTICE(p_hwfn, false,
2799                                          "Failed sending an UNLOAD_DONE command due to a memory allocation failure. Resending.\n");
2800                                 rc = ecore_mcp_unload_done(p_hwfn, p_ptt);
2801                         }
2802                         if (rc != ECORE_SUCCESS) {
2803                                 DP_NOTICE(p_hwfn, false,
2804                                           "Failed sending a UNLOAD_DONE command. rc = %d.\n",
2805                                           rc);
2806                                 rc2 = ECORE_UNKNOWN_ERROR;
2807                         }
2808                 }
2809         } /* hwfn loop */
2810
2811         if (IS_PF(p_dev) && !p_dev->recov_in_prog) {
2812                 p_hwfn = ECORE_LEADING_HWFN(p_dev);
2813                 p_ptt = ECORE_LEADING_HWFN(p_dev)->p_main_ptt;
2814
2815                  /* Clear the PF's internal FID_enable in the PXP.
2816                   * In CMT this should only be done for first hw-function, and
2817                   * only after all transactions have stopped for all active
2818                   * hw-functions.
2819                   */
2820                 rc = ecore_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
2821                                                   false);
2822                 if (rc != ECORE_SUCCESS) {
2823                         DP_NOTICE(p_hwfn, true,
2824                                   "ecore_pglueb_set_pfid_enable() failed. rc = %d.\n",
2825                                   rc);
2826                         rc2 = ECORE_UNKNOWN_ERROR;
2827                 }
2828         }
2829
2830         return rc2;
2831 }
2832
2833 enum _ecore_status_t ecore_hw_stop_fastpath(struct ecore_dev *p_dev)
2834 {
2835         int j;
2836
2837         for_each_hwfn(p_dev, j) {
2838                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[j];
2839                 struct ecore_ptt *p_ptt;
2840
2841                 if (IS_VF(p_dev)) {
2842                         ecore_vf_pf_int_cleanup(p_hwfn);
2843                         continue;
2844                 }
2845                 p_ptt = ecore_ptt_acquire(p_hwfn);
2846                 if (!p_ptt)
2847                         return ECORE_AGAIN;
2848
2849                 DP_VERBOSE(p_hwfn, ECORE_MSG_IFDOWN,
2850                            "Shutting down the fastpath\n");
2851
2852                 ecore_wr(p_hwfn, p_ptt,
2853                          NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
2854
2855                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
2856                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
2857                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
2858                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
2859                 ecore_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
2860
2861                 /* @@@TBD - clean transmission queues (5.b) */
2862                 /* @@@TBD - clean BTB (5.c) */
2863
2864                 /* @@@TBD - verify DMAE requests are done (8) */
2865
2866                 ecore_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false);
2867                 /* Need to wait 1ms to guarantee SBs are cleared */
2868                 OSAL_MSLEEP(1);
2869                 ecore_ptt_release(p_hwfn, p_ptt);
2870         }
2871
2872         return ECORE_SUCCESS;
2873 }
2874
2875 enum _ecore_status_t ecore_hw_start_fastpath(struct ecore_hwfn *p_hwfn)
2876 {
2877         struct ecore_ptt *p_ptt;
2878
2879         if (IS_VF(p_hwfn->p_dev))
2880                 return ECORE_SUCCESS;
2881
2882         p_ptt = ecore_ptt_acquire(p_hwfn);
2883         if (!p_ptt)
2884                 return ECORE_AGAIN;
2885
2886         /* If roce info is allocated it means roce is initialized and should
2887          * be enabled in searcher.
2888          */
2889         if (p_hwfn->p_rdma_info) {
2890                 if (p_hwfn->b_rdma_enabled_in_prs)
2891                         ecore_wr(p_hwfn, p_ptt,
2892                                  p_hwfn->rdma_prs_search_reg, 0x1);
2893                 ecore_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x1);
2894         }
2895
2896         /* Re-open incoming traffic */
2897         ecore_wr(p_hwfn, p_ptt,
2898                  NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0);
2899         ecore_ptt_release(p_hwfn, p_ptt);
2900
2901         return ECORE_SUCCESS;
2902 }
2903
2904 /* Free hwfn memory and resources acquired in hw_hwfn_prepare */
2905 static void ecore_hw_hwfn_free(struct ecore_hwfn *p_hwfn)
2906 {
2907         ecore_ptt_pool_free(p_hwfn);
2908         OSAL_FREE(p_hwfn->p_dev, p_hwfn->hw_info.p_igu_info);
2909 }
2910
2911 /* Setup bar access */
2912 static void ecore_hw_hwfn_prepare(struct ecore_hwfn *p_hwfn)
2913 {
2914         /* clear indirect access */
2915         if (ECORE_IS_AH(p_hwfn->p_dev)) {
2916                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2917                          PGLUE_B_REG_PGL_ADDR_E8_F0_K2_E5, 0);
2918                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2919                          PGLUE_B_REG_PGL_ADDR_EC_F0_K2_E5, 0);
2920                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2921                          PGLUE_B_REG_PGL_ADDR_F0_F0_K2_E5, 0);
2922                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2923                          PGLUE_B_REG_PGL_ADDR_F4_F0_K2_E5, 0);
2924         } else {
2925                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2926                          PGLUE_B_REG_PGL_ADDR_88_F0_BB, 0);
2927                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2928                          PGLUE_B_REG_PGL_ADDR_8C_F0_BB, 0);
2929                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2930                          PGLUE_B_REG_PGL_ADDR_90_F0_BB, 0);
2931                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2932                          PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0);
2933         }
2934
2935         /* Clean previous pglue_b errors if such exist */
2936         ecore_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
2937
2938         /* enable internal target-read */
2939         ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
2940                  PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
2941 }
2942
2943 static void get_function_id(struct ecore_hwfn *p_hwfn)
2944 {
2945         /* ME Register */
2946         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn,
2947                                                   PXP_PF_ME_OPAQUE_ADDR);
2948
2949         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR);
2950
2951         /* Bits 16-19 from the ME registers are the pf_num */
2952         p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf;
2953         p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
2954                                       PXP_CONCRETE_FID_PFID);
2955         p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
2956                                     PXP_CONCRETE_FID_PORT);
2957
2958         DP_VERBOSE(p_hwfn, ECORE_MSG_PROBE,
2959                    "Read ME register: Concrete 0x%08x Opaque 0x%04x\n",
2960                    p_hwfn->hw_info.concrete_fid, p_hwfn->hw_info.opaque_fid);
2961 }
2962
2963 static void ecore_hw_set_feat(struct ecore_hwfn *p_hwfn)
2964 {
2965         u32 *feat_num = p_hwfn->hw_info.feat_num;
2966         struct ecore_sb_cnt_info sb_cnt;
2967         u32 non_l2_sbs = 0;
2968
2969         OSAL_MEM_ZERO(&sb_cnt, sizeof(sb_cnt));
2970         ecore_int_get_num_sbs(p_hwfn, &sb_cnt);
2971
2972         /* L2 Queues require each: 1 status block. 1 L2 queue */
2973         if (ECORE_IS_L2_PERSONALITY(p_hwfn)) {
2974                 /* Start by allocating VF queues, then PF's */
2975                 feat_num[ECORE_VF_L2_QUE] =
2976                         OSAL_MIN_T(u32,
2977                                    RESC_NUM(p_hwfn, ECORE_L2_QUEUE),
2978                                    sb_cnt.iov_cnt);
2979                 feat_num[ECORE_PF_L2_QUE] =
2980                         OSAL_MIN_T(u32,
2981                                    sb_cnt.cnt - non_l2_sbs,
2982                                    RESC_NUM(p_hwfn, ECORE_L2_QUEUE) -
2983                                    FEAT_NUM(p_hwfn, ECORE_VF_L2_QUE));
2984         }
2985
2986         if (ECORE_IS_FCOE_PERSONALITY(p_hwfn))
2987                 feat_num[ECORE_FCOE_CQ] =
2988                         OSAL_MIN_T(u32, sb_cnt.cnt, RESC_NUM(p_hwfn,
2989                                                              ECORE_CMDQS_CQS));
2990
2991         if (ECORE_IS_ISCSI_PERSONALITY(p_hwfn))
2992                 feat_num[ECORE_ISCSI_CQ] =
2993                         OSAL_MIN_T(u32, sb_cnt.cnt, RESC_NUM(p_hwfn,
2994                                                              ECORE_CMDQS_CQS));
2995
2996         DP_VERBOSE(p_hwfn, ECORE_MSG_PROBE,
2997                    "#PF_L2_QUEUE=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d #FCOE_CQ=%d #ISCSI_CQ=%d #SB=%d\n",
2998                    (int)FEAT_NUM(p_hwfn, ECORE_PF_L2_QUE),
2999                    (int)FEAT_NUM(p_hwfn, ECORE_VF_L2_QUE),
3000                    (int)FEAT_NUM(p_hwfn, ECORE_RDMA_CNQ),
3001                    (int)FEAT_NUM(p_hwfn, ECORE_FCOE_CQ),
3002                    (int)FEAT_NUM(p_hwfn, ECORE_ISCSI_CQ),
3003                    (int)sb_cnt.cnt);
3004 }
3005
3006 const char *ecore_hw_get_resc_name(enum ecore_resources res_id)
3007 {
3008         switch (res_id) {
3009         case ECORE_L2_QUEUE:
3010                 return "L2_QUEUE";
3011         case ECORE_VPORT:
3012                 return "VPORT";
3013         case ECORE_RSS_ENG:
3014                 return "RSS_ENG";
3015         case ECORE_PQ:
3016                 return "PQ";
3017         case ECORE_RL:
3018                 return "RL";
3019         case ECORE_MAC:
3020                 return "MAC";
3021         case ECORE_VLAN:
3022                 return "VLAN";
3023         case ECORE_RDMA_CNQ_RAM:
3024                 return "RDMA_CNQ_RAM";
3025         case ECORE_ILT:
3026                 return "ILT";
3027         case ECORE_LL2_QUEUE:
3028                 return "LL2_QUEUE";
3029         case ECORE_CMDQS_CQS:
3030                 return "CMDQS_CQS";
3031         case ECORE_RDMA_STATS_QUEUE:
3032                 return "RDMA_STATS_QUEUE";
3033         case ECORE_BDQ:
3034                 return "BDQ";
3035         case ECORE_SB:
3036                 return "SB";
3037         default:
3038                 return "UNKNOWN_RESOURCE";
3039         }
3040 }
3041
3042 static enum _ecore_status_t
3043 __ecore_hw_set_soft_resc_size(struct ecore_hwfn *p_hwfn,
3044                               struct ecore_ptt *p_ptt,
3045                               enum ecore_resources res_id,
3046                               u32 resc_max_val,
3047                               u32 *p_mcp_resp)
3048 {
3049         enum _ecore_status_t rc;
3050
3051         rc = ecore_mcp_set_resc_max_val(p_hwfn, p_ptt, res_id,
3052                                         resc_max_val, p_mcp_resp);
3053         if (rc != ECORE_SUCCESS) {
3054                 DP_NOTICE(p_hwfn, false,
3055                           "MFW response failure for a max value setting of resource %d [%s]\n",
3056                           res_id, ecore_hw_get_resc_name(res_id));
3057                 return rc;
3058         }
3059
3060         if (*p_mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK)
3061                 DP_INFO(p_hwfn,
3062                         "Failed to set the max value of resource %d [%s]. mcp_resp = 0x%08x.\n",
3063                         res_id, ecore_hw_get_resc_name(res_id), *p_mcp_resp);
3064
3065         return ECORE_SUCCESS;
3066 }
3067
3068 static enum _ecore_status_t
3069 ecore_hw_set_soft_resc_size(struct ecore_hwfn *p_hwfn,
3070                             struct ecore_ptt *p_ptt)
3071 {
3072         bool b_ah = ECORE_IS_AH(p_hwfn->p_dev);
3073         u32 resc_max_val, mcp_resp;
3074         u8 res_id;
3075         enum _ecore_status_t rc;
3076
3077         for (res_id = 0; res_id < ECORE_MAX_RESC; res_id++) {
3078                 /* @DPDK */
3079                 switch (res_id) {
3080                 case ECORE_LL2_QUEUE:
3081                 case ECORE_RDMA_CNQ_RAM:
3082                 case ECORE_RDMA_STATS_QUEUE:
3083                 case ECORE_BDQ:
3084                         resc_max_val = 0;
3085                         break;
3086                 default:
3087                         continue;
3088                 }
3089
3090                 rc = __ecore_hw_set_soft_resc_size(p_hwfn, p_ptt, res_id,
3091                                                    resc_max_val, &mcp_resp);
3092                 if (rc != ECORE_SUCCESS)
3093                         return rc;
3094
3095                 /* There's no point to continue to the next resource if the
3096                  * command is not supported by the MFW.
3097                  * We do continue if the command is supported but the resource
3098                  * is unknown to the MFW. Such a resource will be later
3099                  * configured with the default allocation values.
3100                  */
3101                 if (mcp_resp == FW_MSG_CODE_UNSUPPORTED)
3102                         return ECORE_NOTIMPL;
3103         }
3104
3105         return ECORE_SUCCESS;
3106 }
3107
3108 static
3109 enum _ecore_status_t ecore_hw_get_dflt_resc(struct ecore_hwfn *p_hwfn,
3110                                             enum ecore_resources res_id,
3111                                             u32 *p_resc_num, u32 *p_resc_start)
3112 {
3113         u8 num_funcs = p_hwfn->num_funcs_on_engine;
3114         bool b_ah = ECORE_IS_AH(p_hwfn->p_dev);
3115
3116         switch (res_id) {
3117         case ECORE_L2_QUEUE:
3118                 *p_resc_num = (b_ah ? MAX_NUM_L2_QUEUES_K2 :
3119                                  MAX_NUM_L2_QUEUES_BB) / num_funcs;
3120                 break;
3121         case ECORE_VPORT:
3122                 *p_resc_num = (b_ah ? MAX_NUM_VPORTS_K2 :
3123                                  MAX_NUM_VPORTS_BB) / num_funcs;
3124                 break;
3125         case ECORE_RSS_ENG:
3126                 *p_resc_num = (b_ah ? ETH_RSS_ENGINE_NUM_K2 :
3127                                  ETH_RSS_ENGINE_NUM_BB) / num_funcs;
3128                 break;
3129         case ECORE_PQ:
3130                 *p_resc_num = (b_ah ? MAX_QM_TX_QUEUES_K2 :
3131                                  MAX_QM_TX_QUEUES_BB) / num_funcs;
3132                 break;
3133         case ECORE_RL:
3134                 *p_resc_num = MAX_QM_GLOBAL_RLS / num_funcs;
3135                 break;
3136         case ECORE_MAC:
3137         case ECORE_VLAN:
3138                 /* Each VFC resource can accommodate both a MAC and a VLAN */
3139                 *p_resc_num = ETH_NUM_MAC_FILTERS / num_funcs;
3140                 break;
3141         case ECORE_ILT:
3142                 *p_resc_num = (b_ah ? PXP_NUM_ILT_RECORDS_K2 :
3143                                  PXP_NUM_ILT_RECORDS_BB) / num_funcs;
3144                 break;
3145         case ECORE_LL2_QUEUE:
3146                 *p_resc_num = MAX_NUM_LL2_RX_QUEUES / num_funcs;
3147                 break;
3148         case ECORE_RDMA_CNQ_RAM:
3149         case ECORE_CMDQS_CQS:
3150                 /* CNQ/CMDQS are the same resource */
3151                 /* @DPDK */
3152                 *p_resc_num = (NUM_OF_GLOBAL_QUEUES / 2) / num_funcs;
3153                 break;
3154         case ECORE_RDMA_STATS_QUEUE:
3155                 /* @DPDK */
3156                 *p_resc_num = (b_ah ? MAX_NUM_VPORTS_K2 :
3157                                  MAX_NUM_VPORTS_BB) / num_funcs;
3158                 break;
3159         case ECORE_BDQ:
3160                 /* @DPDK */
3161                 *p_resc_num = 0;
3162                 break;
3163         default:
3164                 break;
3165         }
3166
3167
3168         switch (res_id) {
3169         case ECORE_BDQ:
3170                 if (!*p_resc_num)
3171                         *p_resc_start = 0;
3172                 break;
3173         case ECORE_SB:
3174                 /* Since we want its value to reflect whether MFW supports
3175                  * the new scheme, have a default of 0.
3176                  */
3177                 *p_resc_num = 0;
3178                 break;
3179         default:
3180                 *p_resc_start = *p_resc_num * p_hwfn->enabled_func_idx;
3181                 break;
3182         }
3183
3184         return ECORE_SUCCESS;
3185 }
3186
3187 static enum _ecore_status_t
3188 __ecore_hw_set_resc_info(struct ecore_hwfn *p_hwfn, enum ecore_resources res_id,
3189                          bool drv_resc_alloc)
3190 {
3191         u32 dflt_resc_num = 0, dflt_resc_start = 0;
3192         u32 mcp_resp, *p_resc_num, *p_resc_start;
3193         enum _ecore_status_t rc;
3194
3195         p_resc_num = &RESC_NUM(p_hwfn, res_id);
3196         p_resc_start = &RESC_START(p_hwfn, res_id);
3197
3198         rc = ecore_hw_get_dflt_resc(p_hwfn, res_id, &dflt_resc_num,
3199                                     &dflt_resc_start);
3200         if (rc != ECORE_SUCCESS) {
3201                 DP_ERR(p_hwfn,
3202                        "Failed to get default amount for resource %d [%s]\n",
3203                         res_id, ecore_hw_get_resc_name(res_id));
3204                 return rc;
3205         }
3206
3207 #ifndef ASIC_ONLY
3208         if (CHIP_REV_IS_SLOW(p_hwfn->p_dev)) {
3209                 *p_resc_num = dflt_resc_num;
3210                 *p_resc_start = dflt_resc_start;
3211                 goto out;
3212         }
3213 #endif
3214
3215         rc = ecore_mcp_get_resc_info(p_hwfn, p_hwfn->p_main_ptt, res_id,
3216                                      &mcp_resp, p_resc_num, p_resc_start);
3217         if (rc != ECORE_SUCCESS) {
3218                 DP_NOTICE(p_hwfn, true,
3219                           "MFW response failure for an allocation request for"
3220                           " resource %d [%s]\n",
3221                           res_id, ecore_hw_get_resc_name(res_id));
3222                 return rc;
3223         }
3224
3225         /* Default driver values are applied in the following cases:
3226          * - The resource allocation MB command is not supported by the MFW
3227          * - There is an internal error in the MFW while processing the request
3228          * - The resource ID is unknown to the MFW
3229          */
3230         if (mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3231                 DP_INFO(p_hwfn,
3232                         "Failed to receive allocation info for resource %d [%s]."
3233                         " mcp_resp = 0x%x. Applying default values"
3234                         " [%d,%d].\n",
3235                         res_id, ecore_hw_get_resc_name(res_id), mcp_resp,
3236                         dflt_resc_num, dflt_resc_start);
3237
3238                 *p_resc_num = dflt_resc_num;
3239                 *p_resc_start = dflt_resc_start;
3240                 goto out;
3241         }
3242
3243         if ((*p_resc_num != dflt_resc_num ||
3244              *p_resc_start != dflt_resc_start) &&
3245             res_id != ECORE_SB) {
3246                 DP_INFO(p_hwfn,
3247                         "MFW allocation for resource %d [%s] differs from default values [%d,%d vs. %d,%d]%s\n",
3248                         res_id, ecore_hw_get_resc_name(res_id), *p_resc_num,
3249                         *p_resc_start, dflt_resc_num, dflt_resc_start,
3250                         drv_resc_alloc ? " - Applying default values" : "");
3251                 if (drv_resc_alloc) {
3252                         *p_resc_num = dflt_resc_num;
3253                         *p_resc_start = dflt_resc_start;
3254                 }
3255         }
3256 out:
3257         return ECORE_SUCCESS;
3258 }
3259
3260 static enum _ecore_status_t ecore_hw_set_resc_info(struct ecore_hwfn *p_hwfn,
3261                                                    bool drv_resc_alloc)
3262 {
3263         enum _ecore_status_t rc;
3264         u8 res_id;
3265
3266         for (res_id = 0; res_id < ECORE_MAX_RESC; res_id++) {
3267                 rc = __ecore_hw_set_resc_info(p_hwfn, res_id, drv_resc_alloc);
3268                 if (rc != ECORE_SUCCESS)
3269                         return rc;
3270         }
3271
3272         return ECORE_SUCCESS;
3273 }
3274
3275 static enum _ecore_status_t ecore_hw_get_resc(struct ecore_hwfn *p_hwfn,
3276                                               struct ecore_ptt *p_ptt,
3277                                               bool drv_resc_alloc)
3278 {
3279         struct ecore_resc_unlock_params resc_unlock_params;
3280         struct ecore_resc_lock_params resc_lock_params;
3281         bool b_ah = ECORE_IS_AH(p_hwfn->p_dev);
3282         u8 res_id;
3283         enum _ecore_status_t rc;
3284 #ifndef ASIC_ONLY
3285         u32 *resc_start = p_hwfn->hw_info.resc_start;
3286         u32 *resc_num = p_hwfn->hw_info.resc_num;
3287         /* For AH, an equal share of the ILT lines between the maximal number of
3288          * PFs is not enough for RoCE. This would be solved by the future
3289          * resource allocation scheme, but isn't currently present for
3290          * FPGA/emulation. For now we keep a number that is sufficient for RoCE
3291          * to work - the BB number of ILT lines divided by its max PFs number.
3292          */
3293         u32 roce_min_ilt_lines = PXP_NUM_ILT_RECORDS_BB / MAX_NUM_PFS_BB;
3294 #endif
3295
3296         /* Setting the max values of the soft resources and the following
3297          * resources allocation queries should be atomic. Since several PFs can
3298          * run in parallel - a resource lock is needed.
3299          * If either the resource lock or resource set value commands are not
3300          * supported - skip the max values setting, release the lock if
3301          * needed, and proceed to the queries. Other failures, including a
3302          * failure to acquire the lock, will cause this function to fail.
3303          * Old drivers that don't acquire the lock can run in parallel, and
3304          * their allocation values won't be affected by the updated max values.
3305          */
3306         ecore_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params,
3307                                          ECORE_RESC_LOCK_RESC_ALLOC, false);
3308
3309         rc = ecore_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params);
3310         if (rc != ECORE_SUCCESS && rc != ECORE_NOTIMPL) {
3311                 return rc;
3312         } else if (rc == ECORE_NOTIMPL) {
3313                 DP_INFO(p_hwfn,
3314                         "Skip the max values setting of the soft resources since the resource lock is not supported by the MFW\n");
3315         } else if (rc == ECORE_SUCCESS && !resc_lock_params.b_granted) {
3316                 DP_NOTICE(p_hwfn, false,
3317                           "Failed to acquire the resource lock for the resource allocation commands\n");
3318                 rc = ECORE_BUSY;
3319                 goto unlock_and_exit;
3320         } else {
3321                 rc = ecore_hw_set_soft_resc_size(p_hwfn, p_ptt);
3322                 if (rc != ECORE_SUCCESS && rc != ECORE_NOTIMPL) {
3323                         DP_NOTICE(p_hwfn, false,
3324                                   "Failed to set the max values of the soft resources\n");
3325                         goto unlock_and_exit;
3326                 } else if (rc == ECORE_NOTIMPL) {
3327                         DP_INFO(p_hwfn,
3328                                 "Skip the max values setting of the soft resources since it is not supported by the MFW\n");
3329                         rc = ecore_mcp_resc_unlock(p_hwfn, p_ptt,
3330                                                    &resc_unlock_params);
3331                         if (rc != ECORE_SUCCESS)
3332                                 DP_INFO(p_hwfn,
3333                                         "Failed to release the resource lock for the resource allocation commands\n");
3334                 }
3335         }
3336
3337         rc = ecore_hw_set_resc_info(p_hwfn, drv_resc_alloc);
3338         if (rc != ECORE_SUCCESS)
3339                 goto unlock_and_exit;
3340
3341         if (resc_lock_params.b_granted && !resc_unlock_params.b_released) {
3342                 rc = ecore_mcp_resc_unlock(p_hwfn, p_ptt,
3343                                            &resc_unlock_params);
3344                 if (rc != ECORE_SUCCESS)
3345                         DP_INFO(p_hwfn,
3346                                 "Failed to release the resource lock for the resource allocation commands\n");
3347         }
3348
3349 #ifndef ASIC_ONLY
3350         if (CHIP_REV_IS_SLOW(p_hwfn->p_dev)) {
3351                 /* Reduced build contains less PQs */
3352                 if (!(p_hwfn->p_dev->b_is_emul_full)) {
3353                         resc_num[ECORE_PQ] = 32;
3354                         resc_start[ECORE_PQ] = resc_num[ECORE_PQ] *
3355                             p_hwfn->enabled_func_idx;
3356                 }
3357
3358                 /* For AH emulation, since we have a possible maximal number of
3359                  * 16 enabled PFs, in case there are not enough ILT lines -
3360                  * allocate only first PF as RoCE and have all the other ETH
3361                  * only with less ILT lines.
3362                  */
3363                 if (!p_hwfn->rel_pf_id && p_hwfn->p_dev->b_is_emul_full)
3364                         resc_num[ECORE_ILT] = OSAL_MAX_T(u32,
3365                                                          resc_num[ECORE_ILT],
3366                                                          roce_min_ilt_lines);
3367         }
3368
3369         /* Correct the common ILT calculation if PF0 has more */
3370         if (CHIP_REV_IS_SLOW(p_hwfn->p_dev) &&
3371             p_hwfn->p_dev->b_is_emul_full &&
3372             p_hwfn->rel_pf_id && resc_num[ECORE_ILT] < roce_min_ilt_lines)
3373                 resc_start[ECORE_ILT] += roce_min_ilt_lines -
3374                     resc_num[ECORE_ILT];
3375 #endif
3376
3377         /* Sanity for ILT */
3378         if ((b_ah && (RESC_END(p_hwfn, ECORE_ILT) > PXP_NUM_ILT_RECORDS_K2)) ||
3379             (!b_ah && (RESC_END(p_hwfn, ECORE_ILT) > PXP_NUM_ILT_RECORDS_BB))) {
3380                 DP_NOTICE(p_hwfn, true,
3381                           "Can't assign ILT pages [%08x,...,%08x]\n",
3382                           RESC_START(p_hwfn, ECORE_ILT), RESC_END(p_hwfn,
3383                                                                   ECORE_ILT) -
3384                           1);
3385                 return ECORE_INVAL;
3386         }
3387
3388         /* This will also learn the number of SBs from MFW */
3389         if (ecore_int_igu_reset_cam(p_hwfn, p_ptt))
3390                 return ECORE_INVAL;
3391
3392         ecore_hw_set_feat(p_hwfn);
3393
3394         DP_VERBOSE(p_hwfn, ECORE_MSG_PROBE,
3395                    "The numbers for each resource are:\n");
3396         for (res_id = 0; res_id < ECORE_MAX_RESC; res_id++)
3397                 DP_VERBOSE(p_hwfn, ECORE_MSG_PROBE, "%s = %d start = %d\n",
3398                            ecore_hw_get_resc_name(res_id),
3399                            RESC_NUM(p_hwfn, res_id),
3400                            RESC_START(p_hwfn, res_id));
3401
3402         return ECORE_SUCCESS;
3403
3404 unlock_and_exit:
3405         if (resc_lock_params.b_granted && !resc_unlock_params.b_released)
3406                 ecore_mcp_resc_unlock(p_hwfn, p_ptt,
3407                                       &resc_unlock_params);
3408         return rc;
3409 }
3410
3411 static enum _ecore_status_t
3412 ecore_hw_get_nvm_info(struct ecore_hwfn *p_hwfn,
3413                       struct ecore_ptt *p_ptt,
3414                       struct ecore_hw_prepare_params *p_params)
3415 {
3416         u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg, dcbx_mode;
3417         u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities;
3418         struct ecore_mcp_link_capabilities *p_caps;
3419         struct ecore_mcp_link_params *link;
3420         enum _ecore_status_t rc;
3421
3422         /* Read global nvm_cfg address */
3423         nvm_cfg_addr = ecore_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
3424
3425         /* Verify MCP has initialized it */
3426         if (!nvm_cfg_addr) {
3427                 DP_NOTICE(p_hwfn, false, "Shared memory not initialized\n");
3428                 if (p_params->b_relaxed_probe)
3429                         p_params->p_relaxed_res = ECORE_HW_PREPARE_FAILED_NVM;
3430                 return ECORE_INVAL;
3431         }
3432
3433 /* Read nvm_cfg1  (Notice this is just offset, and not offsize (TBD) */
3434
3435         nvm_cfg1_offset = ecore_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
3436
3437         addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3438                    OFFSETOF(struct nvm_cfg1, glob) +
3439                    OFFSETOF(struct nvm_cfg1_glob, core_cfg);
3440
3441         core_cfg = ecore_rd(p_hwfn, p_ptt, addr);
3442
3443         switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >>
3444                 NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) {
3445         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_2X40G:
3446                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_2X40G;
3447                 break;
3448         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X50G:
3449                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_2X50G;
3450                 break;
3451         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_1X100G:
3452                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_1X100G;
3453                 break;
3454         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X10G_F:
3455                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_4X10G_F;
3456                 break;
3457         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X10G_E:
3458                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_4X10G_E;
3459                 break;
3460         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X20G:
3461                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_4X20G;
3462                 break;
3463         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X40G:
3464                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_1X40G;
3465                 break;
3466         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X25G:
3467                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_2X25G;
3468                 break;
3469         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G:
3470                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_2X10G;
3471                 break;
3472         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G:
3473                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_1X25G;
3474                 break;
3475         case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G:
3476                 p_hwfn->hw_info.port_mode = ECORE_PORT_MODE_DE_4X25G;
3477                 break;
3478         default:
3479                 DP_NOTICE(p_hwfn, true, "Unknown port mode in 0x%08x\n",
3480                           core_cfg);
3481                 break;
3482         }
3483
3484         /* Read DCBX configuration */
3485         port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3486                         OFFSETOF(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
3487         dcbx_mode = ecore_rd(p_hwfn, p_ptt,
3488                              port_cfg_addr +
3489                              OFFSETOF(struct nvm_cfg1_port, generic_cont0));
3490         dcbx_mode = (dcbx_mode & NVM_CFG1_PORT_DCBX_MODE_MASK)
3491                 >> NVM_CFG1_PORT_DCBX_MODE_OFFSET;
3492         switch (dcbx_mode) {
3493         case NVM_CFG1_PORT_DCBX_MODE_DYNAMIC:
3494                 p_hwfn->hw_info.dcbx_mode = ECORE_DCBX_VERSION_DYNAMIC;
3495                 break;
3496         case NVM_CFG1_PORT_DCBX_MODE_CEE:
3497                 p_hwfn->hw_info.dcbx_mode = ECORE_DCBX_VERSION_CEE;
3498                 break;
3499         case NVM_CFG1_PORT_DCBX_MODE_IEEE:
3500                 p_hwfn->hw_info.dcbx_mode = ECORE_DCBX_VERSION_IEEE;
3501                 break;
3502         default:
3503                 p_hwfn->hw_info.dcbx_mode = ECORE_DCBX_VERSION_DISABLED;
3504         }
3505
3506         /* Read default link configuration */
3507         link = &p_hwfn->mcp_info->link_input;
3508         p_caps = &p_hwfn->mcp_info->link_capabilities;
3509         port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3510             OFFSETOF(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
3511         link_temp = ecore_rd(p_hwfn, p_ptt,
3512                              port_cfg_addr +
3513                              OFFSETOF(struct nvm_cfg1_port, speed_cap_mask));
3514         link_temp &= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK;
3515         link->speed.advertised_speeds = link_temp;
3516         p_caps->speed_capabilities = link->speed.advertised_speeds;
3517
3518         link_temp = ecore_rd(p_hwfn, p_ptt,
3519                                  port_cfg_addr +
3520                                  OFFSETOF(struct nvm_cfg1_port, link_settings));
3521         switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >>
3522                 NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) {
3523         case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG:
3524                 link->speed.autoneg = true;
3525                 break;
3526         case NVM_CFG1_PORT_DRV_LINK_SPEED_1G:
3527                 link->speed.forced_speed = 1000;
3528                 break;
3529         case NVM_CFG1_PORT_DRV_LINK_SPEED_10G:
3530                 link->speed.forced_speed = 10000;
3531                 break;
3532         case NVM_CFG1_PORT_DRV_LINK_SPEED_25G:
3533                 link->speed.forced_speed = 25000;
3534                 break;
3535         case NVM_CFG1_PORT_DRV_LINK_SPEED_40G:
3536                 link->speed.forced_speed = 40000;
3537                 break;
3538         case NVM_CFG1_PORT_DRV_LINK_SPEED_50G:
3539                 link->speed.forced_speed = 50000;
3540                 break;
3541         case NVM_CFG1_PORT_DRV_LINK_SPEED_BB_100G:
3542                 link->speed.forced_speed = 100000;
3543                 break;
3544         default:
3545                 DP_NOTICE(p_hwfn, true, "Unknown Speed in 0x%08x\n", link_temp);
3546         }
3547
3548         p_caps->default_speed = link->speed.forced_speed;
3549         p_caps->default_speed_autoneg = link->speed.autoneg;
3550
3551         link_temp &= NVM_CFG1_PORT_DRV_FLOW_CONTROL_MASK;
3552         link_temp >>= NVM_CFG1_PORT_DRV_FLOW_CONTROL_OFFSET;
3553         link->pause.autoneg = !!(link_temp &
3554                                   NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG);
3555         link->pause.forced_rx = !!(link_temp &
3556                                     NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX);
3557         link->pause.forced_tx = !!(link_temp &
3558                                     NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX);
3559         link->loopback_mode = 0;
3560
3561         if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) {
3562                 link_temp = ecore_rd(p_hwfn, p_ptt, port_cfg_addr +
3563                                      OFFSETOF(struct nvm_cfg1_port, ext_phy));
3564                 link_temp &= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_MASK;
3565                 link_temp >>= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_OFFSET;
3566                 p_caps->default_eee = ECORE_MCP_EEE_ENABLED;
3567                 link->eee.enable = true;
3568                 switch (link_temp) {
3569                 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_DISABLED:
3570                         p_caps->default_eee = ECORE_MCP_EEE_DISABLED;
3571                         link->eee.enable = false;
3572                         break;
3573                 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_BALANCED:
3574                         p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_BALANCED_TIME;
3575                         break;
3576                 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_AGGRESSIVE:
3577                         p_caps->eee_lpi_timer =
3578                                 EEE_TX_TIMER_USEC_AGGRESSIVE_TIME;
3579                         break;
3580                 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_LOW_LATENCY:
3581                         p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_LATENCY_TIME;
3582                         break;
3583                 }
3584
3585                 link->eee.tx_lpi_timer = p_caps->eee_lpi_timer;
3586                 link->eee.tx_lpi_enable = link->eee.enable;
3587                 link->eee.adv_caps = ECORE_EEE_1G_ADV | ECORE_EEE_10G_ADV;
3588         } else {
3589                 p_caps->default_eee = ECORE_MCP_EEE_UNSUPPORTED;
3590         }
3591
3592         DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
3593                    "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x\n EEE: %02x [%08x usec]",
3594                    link->speed.forced_speed, link->speed.advertised_speeds,
3595                    link->speed.autoneg, link->pause.autoneg,
3596                    p_caps->default_eee, p_caps->eee_lpi_timer);
3597
3598         /* Read Multi-function information from shmem */
3599         addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3600                    OFFSETOF(struct nvm_cfg1, glob) +
3601                    OFFSETOF(struct nvm_cfg1_glob, generic_cont0);
3602
3603         generic_cont0 = ecore_rd(p_hwfn, p_ptt, addr);
3604
3605         mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >>
3606             NVM_CFG1_GLOB_MF_MODE_OFFSET;
3607
3608         switch (mf_mode) {
3609         case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED:
3610                 p_hwfn->p_dev->mf_bits = 1 << ECORE_MF_OVLAN_CLSS;
3611                 break;
3612         case NVM_CFG1_GLOB_MF_MODE_UFP:
3613                 p_hwfn->p_dev->mf_bits = 1 << ECORE_MF_OVLAN_CLSS |
3614                                          1 << ECORE_MF_UFP_SPECIFIC |
3615                                          1 << ECORE_MF_8021Q_TAGGING;
3616                 break;
3617         case NVM_CFG1_GLOB_MF_MODE_BD:
3618                 p_hwfn->p_dev->mf_bits = 1 << ECORE_MF_OVLAN_CLSS |
3619                                          1 << ECORE_MF_LLH_PROTO_CLSS |
3620                                          1 << ECORE_MF_8021AD_TAGGING;
3621                 break;
3622         case NVM_CFG1_GLOB_MF_MODE_NPAR1_0:
3623                 p_hwfn->p_dev->mf_bits = 1 << ECORE_MF_LLH_MAC_CLSS |
3624                                          1 << ECORE_MF_LLH_PROTO_CLSS |
3625                                          1 << ECORE_MF_LL2_NON_UNICAST |
3626                                          1 << ECORE_MF_INTER_PF_SWITCH |
3627                                          1 << ECORE_MF_DISABLE_ARFS;
3628                 break;
3629         case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
3630                 p_hwfn->p_dev->mf_bits = 1 << ECORE_MF_LLH_MAC_CLSS |
3631                                          1 << ECORE_MF_LLH_PROTO_CLSS |
3632                                          1 << ECORE_MF_LL2_NON_UNICAST;
3633                 if (ECORE_IS_BB(p_hwfn->p_dev))
3634                         p_hwfn->p_dev->mf_bits |= 1 << ECORE_MF_NEED_DEF_PF;
3635                 break;
3636         }
3637         DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
3638                 p_hwfn->p_dev->mf_bits);
3639
3640         if (ECORE_IS_CMT(p_hwfn->p_dev))
3641                 p_hwfn->p_dev->mf_bits |= (1 << ECORE_MF_DISABLE_ARFS);
3642
3643         /* It's funny since we have another switch, but it's easier
3644          * to throw this away in linux this way. Long term, it might be
3645          * better to have have getters for needed ECORE_MF_* fields,
3646          * convert client code and eliminate this.
3647          */
3648         switch (mf_mode) {
3649         case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED:
3650         case NVM_CFG1_GLOB_MF_MODE_BD:
3651                 p_hwfn->p_dev->mf_mode = ECORE_MF_OVLAN;
3652                 break;
3653         case NVM_CFG1_GLOB_MF_MODE_NPAR1_0:
3654                 p_hwfn->p_dev->mf_mode = ECORE_MF_NPAR;
3655                 break;
3656         case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
3657                 p_hwfn->p_dev->mf_mode = ECORE_MF_DEFAULT;
3658                 break;
3659         case NVM_CFG1_GLOB_MF_MODE_UFP:
3660                 p_hwfn->p_dev->mf_mode = ECORE_MF_UFP;
3661                 break;
3662         }
3663
3664         /* Read Multi-function information from shmem */
3665         addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3666                    OFFSETOF(struct nvm_cfg1, glob) +
3667                    OFFSETOF(struct nvm_cfg1_glob, device_capabilities);
3668
3669         device_capabilities = ecore_rd(p_hwfn, p_ptt, addr);
3670         if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET)
3671                 OSAL_SET_BIT(ECORE_DEV_CAP_ETH,
3672                                 &p_hwfn->hw_info.device_capabilities);
3673         if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_FCOE)
3674                 OSAL_SET_BIT(ECORE_DEV_CAP_FCOE,
3675                                 &p_hwfn->hw_info.device_capabilities);
3676         if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ISCSI)
3677                 OSAL_SET_BIT(ECORE_DEV_CAP_ISCSI,
3678                                 &p_hwfn->hw_info.device_capabilities);
3679         if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ROCE)
3680                 OSAL_SET_BIT(ECORE_DEV_CAP_ROCE,
3681                                 &p_hwfn->hw_info.device_capabilities);
3682         if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_IWARP)
3683                 OSAL_SET_BIT(ECORE_DEV_CAP_IWARP,
3684                                 &p_hwfn->hw_info.device_capabilities);
3685
3686         rc = ecore_mcp_fill_shmem_func_info(p_hwfn, p_ptt);
3687         if (rc != ECORE_SUCCESS && p_params->b_relaxed_probe) {
3688                 rc = ECORE_SUCCESS;
3689                 p_params->p_relaxed_res = ECORE_HW_PREPARE_BAD_MCP;
3690         }
3691
3692         return rc;
3693 }
3694
3695 static void ecore_get_num_funcs(struct ecore_hwfn *p_hwfn,
3696                                 struct ecore_ptt *p_ptt)
3697 {
3698         u8 num_funcs, enabled_func_idx = p_hwfn->rel_pf_id;
3699         u32 reg_function_hide, tmp, eng_mask, low_pfs_mask;
3700         struct ecore_dev *p_dev = p_hwfn->p_dev;
3701
3702         num_funcs = ECORE_IS_AH(p_dev) ? MAX_NUM_PFS_K2 : MAX_NUM_PFS_BB;
3703
3704         /* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values
3705          * in the other bits are selected.
3706          * Bits 1-15 are for functions 1-15, respectively, and their value is
3707          * '0' only for enabled functions (function 0 always exists and
3708          * enabled).
3709          * In case of CMT in BB, only the "even" functions are enabled, and thus
3710          * the number of functions for both hwfns is learnt from the same bits.
3711          */
3712         if (ECORE_IS_BB(p_dev) || ECORE_IS_AH(p_dev)) {
3713                 reg_function_hide = ecore_rd(p_hwfn, p_ptt,
3714                                              MISCS_REG_FUNCTION_HIDE_BB_K2);
3715         } else { /* E5 */
3716                 reg_function_hide = 0;
3717         }
3718
3719         if (reg_function_hide & 0x1) {
3720                 if (ECORE_IS_BB(p_dev)) {
3721                         if (ECORE_PATH_ID(p_hwfn) && !ECORE_IS_CMT(p_dev)) {
3722                                 num_funcs = 0;
3723                                 eng_mask = 0xaaaa;
3724                         } else {
3725                                 num_funcs = 1;
3726                                 eng_mask = 0x5554;
3727                         }
3728                 } else {
3729                         num_funcs = 1;
3730                         eng_mask = 0xfffe;
3731                 }
3732
3733                 /* Get the number of the enabled functions on the engine */
3734                 tmp = (reg_function_hide ^ 0xffffffff) & eng_mask;
3735                 while (tmp) {
3736                         if (tmp & 0x1)
3737                                 num_funcs++;
3738                         tmp >>= 0x1;
3739                 }
3740
3741                 /* Get the PF index within the enabled functions */
3742                 low_pfs_mask = (0x1 << p_hwfn->abs_pf_id) - 1;
3743                 tmp = reg_function_hide & eng_mask & low_pfs_mask;
3744                 while (tmp) {
3745                         if (tmp & 0x1)
3746                                 enabled_func_idx--;
3747                         tmp >>= 0x1;
3748                 }
3749         }
3750
3751         p_hwfn->num_funcs_on_engine = num_funcs;
3752         p_hwfn->enabled_func_idx = enabled_func_idx;
3753
3754 #ifndef ASIC_ONLY
3755         if (CHIP_REV_IS_FPGA(p_dev)) {
3756                 DP_NOTICE(p_hwfn, false,
3757                           "FPGA: Limit number of PFs to 4 [would affect resource allocation, needed for IOV]\n");
3758                 p_hwfn->num_funcs_on_engine = 4;
3759         }
3760 #endif
3761
3762         DP_VERBOSE(p_hwfn, ECORE_MSG_PROBE,
3763                    "PF [rel_id %d, abs_id %d] occupies index %d within the %d enabled functions on the engine\n",
3764                    p_hwfn->rel_pf_id, p_hwfn->abs_pf_id,
3765                    p_hwfn->enabled_func_idx, p_hwfn->num_funcs_on_engine);
3766 }
3767
3768 static void ecore_hw_info_port_num_bb(struct ecore_hwfn *p_hwfn,
3769                                       struct ecore_ptt *p_ptt)
3770 {
3771         struct ecore_dev *p_dev = p_hwfn->p_dev;
3772         u32 port_mode;
3773
3774 #ifndef ASIC_ONLY
3775         /* Read the port mode */
3776         if (CHIP_REV_IS_FPGA(p_dev))
3777                 port_mode = 4;
3778         else if (CHIP_REV_IS_EMUL(p_dev) && ECORE_IS_CMT(p_dev))
3779                 /* In CMT on emulation, assume 1 port */
3780                 port_mode = 1;
3781         else
3782 #endif
3783         port_mode = ecore_rd(p_hwfn, p_ptt, CNIG_REG_NW_PORT_MODE_BB);
3784
3785         if (port_mode < 3) {
3786                 p_dev->num_ports_in_engine = 1;
3787         } else if (port_mode <= 5) {
3788                 p_dev->num_ports_in_engine = 2;
3789         } else {
3790                 DP_NOTICE(p_hwfn, true, "PORT MODE: %d not supported\n",
3791                           p_dev->num_ports_in_engine);
3792
3793                 /* Default num_ports_in_engine to something */
3794                 p_dev->num_ports_in_engine = 1;
3795         }
3796 }
3797
3798 static void ecore_hw_info_port_num_ah_e5(struct ecore_hwfn *p_hwfn,
3799                                          struct ecore_ptt *p_ptt)
3800 {
3801         struct ecore_dev *p_dev = p_hwfn->p_dev;
3802         u32 port;
3803         int i;
3804
3805         p_dev->num_ports_in_engine = 0;
3806
3807 #ifndef ASIC_ONLY
3808         if (CHIP_REV_IS_EMUL(p_dev)) {
3809                 port = ecore_rd(p_hwfn, p_ptt, MISCS_REG_ECO_RESERVED);
3810                 switch ((port & 0xf000) >> 12) {
3811                 case 1:
3812                         p_dev->num_ports_in_engine = 1;
3813                         break;
3814                 case 3:
3815                         p_dev->num_ports_in_engine = 2;
3816                         break;
3817                 case 0xf:
3818                         p_dev->num_ports_in_engine = 4;
3819                         break;
3820                 default:
3821                         DP_NOTICE(p_hwfn, false,
3822                                   "Unknown port mode in ECO_RESERVED %08x\n",
3823                                   port);
3824                 }
3825         } else
3826 #endif
3827                 for (i = 0; i < MAX_NUM_PORTS_K2; i++) {
3828                         port = ecore_rd(p_hwfn, p_ptt,
3829                                         CNIG_REG_NIG_PORT0_CONF_K2_E5 +
3830                                         (i * 4));
3831                         if (port & 1)
3832                                 p_dev->num_ports_in_engine++;
3833                 }
3834
3835         if (!p_dev->num_ports_in_engine) {
3836                 DP_NOTICE(p_hwfn, true, "All NIG ports are inactive\n");
3837
3838                 /* Default num_ports_in_engine to something */
3839                 p_dev->num_ports_in_engine = 1;
3840         }
3841 }
3842
3843 static void ecore_hw_info_port_num(struct ecore_hwfn *p_hwfn,
3844                                    struct ecore_ptt *p_ptt)
3845 {
3846         struct ecore_dev *p_dev = p_hwfn->p_dev;
3847
3848         /* Determine the number of ports per engine */
3849         if (ECORE_IS_BB(p_dev))
3850                 ecore_hw_info_port_num_bb(p_hwfn, p_ptt);
3851         else
3852                 ecore_hw_info_port_num_ah_e5(p_hwfn, p_ptt);
3853
3854         /* Get the total number of ports of the device */
3855         if (ECORE_IS_CMT(p_dev)) {
3856                 /* In CMT there is always only one port */
3857                 p_dev->num_ports = 1;
3858 #ifndef ASIC_ONLY
3859         } else if (CHIP_REV_IS_EMUL(p_dev) || CHIP_REV_IS_TEDIBEAR(p_dev)) {
3860                 p_dev->num_ports = p_dev->num_ports_in_engine *
3861                                    ecore_device_num_engines(p_dev);
3862 #endif
3863         } else {
3864                 u32 addr, global_offsize, global_addr;
3865
3866                 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
3867                                             PUBLIC_GLOBAL);
3868                 global_offsize = ecore_rd(p_hwfn, p_ptt, addr);
3869                 global_addr = SECTION_ADDR(global_offsize, 0);
3870                 addr = global_addr + OFFSETOF(struct public_global, max_ports);
3871                 p_dev->num_ports = (u8)ecore_rd(p_hwfn, p_ptt, addr);
3872         }
3873 }
3874
3875 static void ecore_mcp_get_eee_caps(struct ecore_hwfn *p_hwfn,
3876                                    struct ecore_ptt *p_ptt)
3877 {
3878         struct ecore_mcp_link_capabilities *p_caps;
3879         u32 eee_status;
3880
3881         p_caps = &p_hwfn->mcp_info->link_capabilities;
3882         if (p_caps->default_eee == ECORE_MCP_EEE_UNSUPPORTED)
3883                 return;
3884
3885         p_caps->eee_speed_caps = 0;
3886         eee_status = ecore_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
3887                               OFFSETOF(struct public_port, eee_status));
3888         eee_status = (eee_status & EEE_SUPPORTED_SPEED_MASK) >>
3889                         EEE_SUPPORTED_SPEED_OFFSET;
3890         if (eee_status & EEE_1G_SUPPORTED)
3891                 p_caps->eee_speed_caps |= ECORE_EEE_1G_ADV;
3892         if (eee_status & EEE_10G_ADV)
3893                 p_caps->eee_speed_caps |= ECORE_EEE_10G_ADV;
3894 }
3895
3896 static enum _ecore_status_t
3897 ecore_get_hw_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
3898                   enum ecore_pci_personality personality,
3899                   struct ecore_hw_prepare_params *p_params)
3900 {
3901         bool drv_resc_alloc = p_params->drv_resc_alloc;
3902         enum _ecore_status_t rc;
3903
3904         if (IS_ECORE_PACING(p_hwfn)) {
3905                 DP_VERBOSE(p_hwfn->p_dev, ECORE_MSG_IOV,
3906                            "Skipping IOV as packet pacing is requested\n");
3907         }
3908
3909         /* Since all information is common, only first hwfns should do this */
3910         if (IS_LEAD_HWFN(p_hwfn) && !IS_ECORE_PACING(p_hwfn)) {
3911                 rc = ecore_iov_hw_info(p_hwfn);
3912                 if (rc != ECORE_SUCCESS) {
3913                         if (p_params->b_relaxed_probe)
3914                                 p_params->p_relaxed_res =
3915                                                 ECORE_HW_PREPARE_BAD_IOV;
3916                         else
3917                                 return rc;
3918                 }
3919         }
3920
3921         if (IS_LEAD_HWFN(p_hwfn))
3922                 ecore_hw_info_port_num(p_hwfn, p_ptt);
3923
3924         ecore_mcp_get_capabilities(p_hwfn, p_ptt);
3925
3926 #ifndef ASIC_ONLY
3927         if (CHIP_REV_IS_ASIC(p_hwfn->p_dev)) {
3928 #endif
3929         rc = ecore_hw_get_nvm_info(p_hwfn, p_ptt, p_params);
3930         if (rc != ECORE_SUCCESS)
3931                 return rc;
3932 #ifndef ASIC_ONLY
3933         }
3934 #endif
3935
3936         rc = ecore_int_igu_read_cam(p_hwfn, p_ptt);
3937         if (rc != ECORE_SUCCESS) {
3938                 if (p_params->b_relaxed_probe)
3939                         p_params->p_relaxed_res = ECORE_HW_PREPARE_BAD_IGU;
3940                 else
3941                         return rc;
3942         }
3943
3944 #ifndef ASIC_ONLY
3945         if (CHIP_REV_IS_ASIC(p_hwfn->p_dev) && ecore_mcp_is_init(p_hwfn)) {
3946 #endif
3947                 OSAL_MEMCPY(p_hwfn->hw_info.hw_mac_addr,
3948                             p_hwfn->mcp_info->func_info.mac, ETH_ALEN);
3949 #ifndef ASIC_ONLY
3950         } else {
3951                 static u8 mcp_hw_mac[6] = { 0, 2, 3, 4, 5, 6 };
3952
3953                 OSAL_MEMCPY(p_hwfn->hw_info.hw_mac_addr, mcp_hw_mac, ETH_ALEN);
3954                 p_hwfn->hw_info.hw_mac_addr[5] = p_hwfn->abs_pf_id;
3955         }
3956 #endif
3957
3958         if (ecore_mcp_is_init(p_hwfn)) {
3959                 if (p_hwfn->mcp_info->func_info.ovlan != ECORE_MCP_VLAN_UNSET)
3960                         p_hwfn->hw_info.ovlan =
3961                             p_hwfn->mcp_info->func_info.ovlan;
3962
3963                 ecore_mcp_cmd_port_init(p_hwfn, p_ptt);
3964
3965                 ecore_mcp_get_eee_caps(p_hwfn, p_ptt);
3966
3967                 ecore_mcp_read_ufp_config(p_hwfn, p_ptt);
3968         }
3969
3970         if (personality != ECORE_PCI_DEFAULT) {
3971                 p_hwfn->hw_info.personality = personality;
3972         } else if (ecore_mcp_is_init(p_hwfn)) {
3973                 enum ecore_pci_personality protocol;
3974
3975                 protocol = p_hwfn->mcp_info->func_info.protocol;
3976                 p_hwfn->hw_info.personality = protocol;
3977         }
3978
3979 #ifndef ASIC_ONLY
3980         /* To overcome ILT lack for emulation, until at least until we'll have
3981          * a definite answer from system about it, allow only PF0 to be RoCE.
3982          */
3983         if (CHIP_REV_IS_EMUL(p_hwfn->p_dev) && ECORE_IS_AH(p_hwfn->p_dev)) {
3984                 if (!p_hwfn->rel_pf_id)
3985                         p_hwfn->hw_info.personality = ECORE_PCI_ETH_ROCE;
3986                 else
3987                         p_hwfn->hw_info.personality = ECORE_PCI_ETH;
3988         }
3989 #endif
3990
3991         /* although in BB some constellations may support more than 4 tcs,
3992          * that can result in performance penalty in some cases. 4
3993          * represents a good tradeoff between performance and flexibility.
3994          */
3995         if (IS_ECORE_PACING(p_hwfn))
3996                 p_hwfn->hw_info.num_hw_tc = 1;
3997         else
3998                 p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2;
3999
4000         /* start out with a single active tc. This can be increased either
4001          * by dcbx negotiation or by upper layer driver
4002          */
4003         p_hwfn->hw_info.num_active_tc = 1;
4004
4005         ecore_get_num_funcs(p_hwfn, p_ptt);
4006
4007         if (ecore_mcp_is_init(p_hwfn))
4008                 p_hwfn->hw_info.mtu = p_hwfn->mcp_info->func_info.mtu;
4009
4010         /* In case of forcing the driver's default resource allocation, calling
4011          * ecore_hw_get_resc() should come after initializing the personality
4012          * and after getting the number of functions, since the calculation of
4013          * the resources/features depends on them.
4014          * This order is not harmful if not forcing.
4015          */
4016         rc = ecore_hw_get_resc(p_hwfn, p_ptt, drv_resc_alloc);
4017         if (rc != ECORE_SUCCESS && p_params->b_relaxed_probe) {
4018                 rc = ECORE_SUCCESS;
4019                 p_params->p_relaxed_res = ECORE_HW_PREPARE_BAD_MCP;
4020         }
4021
4022         return rc;
4023 }
4024
4025 static enum _ecore_status_t ecore_get_dev_info(struct ecore_hwfn *p_hwfn,
4026                                                struct ecore_ptt *p_ptt)
4027 {
4028         struct ecore_dev *p_dev = p_hwfn->p_dev;
4029         u16 device_id_mask;
4030         u32 tmp;
4031
4032         /* Read Vendor Id / Device Id */
4033         OSAL_PCI_READ_CONFIG_WORD(p_dev, PCICFG_VENDOR_ID_OFFSET,
4034                                   &p_dev->vendor_id);
4035         OSAL_PCI_READ_CONFIG_WORD(p_dev, PCICFG_DEVICE_ID_OFFSET,
4036                                   &p_dev->device_id);
4037
4038         /* Determine type */
4039         device_id_mask = p_dev->device_id & ECORE_DEV_ID_MASK;
4040         switch (device_id_mask) {
4041         case ECORE_DEV_ID_MASK_BB:
4042                 p_dev->type = ECORE_DEV_TYPE_BB;
4043                 break;
4044         case ECORE_DEV_ID_MASK_AH:
4045                 p_dev->type = ECORE_DEV_TYPE_AH;
4046                 break;
4047         default:
4048                 DP_NOTICE(p_hwfn, true, "Unknown device id 0x%x\n",
4049                           p_dev->device_id);
4050                 return ECORE_ABORTED;
4051         }
4052
4053         tmp = ecore_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_NUM);
4054         p_dev->chip_num = (u16)GET_FIELD(tmp, CHIP_NUM);
4055         tmp = ecore_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV);
4056         p_dev->chip_rev = (u8)GET_FIELD(tmp, CHIP_REV);
4057
4058         /* Learn number of HW-functions */
4059         tmp = ecore_rd(p_hwfn, p_ptt, MISCS_REG_CMT_ENABLED_FOR_PAIR);
4060
4061         if (tmp & (1 << p_hwfn->rel_pf_id)) {
4062                 DP_NOTICE(p_dev->hwfns, false, "device in CMT mode\n");
4063                 p_dev->num_hwfns = 2;
4064         } else {
4065                 p_dev->num_hwfns = 1;
4066         }
4067
4068 #ifndef ASIC_ONLY
4069         if (CHIP_REV_IS_EMUL(p_dev)) {
4070                 /* For some reason we have problems with this register
4071                  * in B0 emulation; Simply assume no CMT
4072                  */
4073                 DP_NOTICE(p_dev->hwfns, false,
4074                           "device on emul - assume no CMT\n");
4075                 p_dev->num_hwfns = 1;
4076         }
4077 #endif
4078
4079         tmp = ecore_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_TEST_REG);
4080         p_dev->chip_bond_id = (u8)GET_FIELD(tmp, CHIP_BOND_ID);
4081         tmp = ecore_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL);
4082         p_dev->chip_metal = (u8)GET_FIELD(tmp, CHIP_METAL);
4083
4084         DP_INFO(p_dev->hwfns,
4085                 "Chip details - %s %c%d, Num: %04x Rev: %02x Bond id: %02x Metal: %02x\n",
4086                 ECORE_IS_BB(p_dev) ? "BB" : "AH",
4087                 'A' + p_dev->chip_rev, (int)p_dev->chip_metal,
4088                 p_dev->chip_num, p_dev->chip_rev, p_dev->chip_bond_id,
4089                 p_dev->chip_metal);
4090
4091         if (ECORE_IS_BB_A0(p_dev)) {
4092                 DP_NOTICE(p_dev->hwfns, false,
4093                           "The chip type/rev (BB A0) is not supported!\n");
4094                 return ECORE_ABORTED;
4095         }
4096 #ifndef ASIC_ONLY
4097         if (CHIP_REV_IS_EMUL(p_dev) && ECORE_IS_AH(p_dev))
4098                 ecore_wr(p_hwfn, p_ptt, MISCS_REG_PLL_MAIN_CTRL_4, 0x1);
4099
4100         if (CHIP_REV_IS_EMUL(p_dev)) {
4101                 tmp = ecore_rd(p_hwfn, p_ptt, MISCS_REG_ECO_RESERVED);
4102                 if (tmp & (1 << 29)) {
4103                         DP_NOTICE(p_hwfn, false,
4104                                   "Emulation: Running on a FULL build\n");
4105                         p_dev->b_is_emul_full = true;
4106                 } else {
4107                         DP_NOTICE(p_hwfn, false,
4108                                   "Emulation: Running on a REDUCED build\n");
4109                 }
4110         }
4111 #endif
4112
4113         return ECORE_SUCCESS;
4114 }
4115
4116 #ifndef LINUX_REMOVE
4117 void ecore_prepare_hibernate(struct ecore_dev *p_dev)
4118 {
4119         int j;
4120
4121         if (IS_VF(p_dev))
4122                 return;
4123
4124         for_each_hwfn(p_dev, j) {
4125                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[j];
4126
4127                 DP_VERBOSE(p_hwfn, ECORE_MSG_IFDOWN,
4128                            "Mark hw/fw uninitialized\n");
4129
4130                 p_hwfn->hw_init_done = false;
4131
4132                 ecore_ptt_invalidate(p_hwfn);
4133         }
4134 }
4135 #endif
4136
4137 static enum _ecore_status_t
4138 ecore_hw_prepare_single(struct ecore_hwfn *p_hwfn,
4139                         void OSAL_IOMEM * p_regview,
4140                         void OSAL_IOMEM * p_doorbells,
4141                         struct ecore_hw_prepare_params *p_params)
4142 {
4143         struct ecore_mdump_retain_data mdump_retain;
4144         struct ecore_dev *p_dev = p_hwfn->p_dev;
4145         struct ecore_mdump_info mdump_info;
4146         enum _ecore_status_t rc = ECORE_SUCCESS;
4147
4148         /* Split PCI bars evenly between hwfns */
4149         p_hwfn->regview = p_regview;
4150         p_hwfn->doorbells = p_doorbells;
4151
4152         if (IS_VF(p_dev))
4153                 return ecore_vf_hw_prepare(p_hwfn);
4154
4155         /* Validate that chip access is feasible */
4156         if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) {
4157                 DP_ERR(p_hwfn,
4158                        "Reading the ME register returns all Fs; Preventing further chip access\n");
4159                 if (p_params->b_relaxed_probe)
4160                         p_params->p_relaxed_res = ECORE_HW_PREPARE_FAILED_ME;
4161                 return ECORE_INVAL;
4162         }
4163
4164         get_function_id(p_hwfn);
4165
4166         /* Allocate PTT pool */
4167         rc = ecore_ptt_pool_alloc(p_hwfn);
4168         if (rc) {
4169                 DP_NOTICE(p_hwfn, false, "Failed to prepare hwfn's hw\n");
4170                 if (p_params->b_relaxed_probe)
4171                         p_params->p_relaxed_res = ECORE_HW_PREPARE_FAILED_MEM;
4172                 goto err0;
4173         }
4174
4175         /* Allocate the main PTT */
4176         p_hwfn->p_main_ptt = ecore_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN);
4177
4178         /* First hwfn learns basic information, e.g., number of hwfns */
4179         if (!p_hwfn->my_id) {
4180                 rc = ecore_get_dev_info(p_hwfn, p_hwfn->p_main_ptt);
4181                 if (rc != ECORE_SUCCESS) {
4182                         if (p_params->b_relaxed_probe)
4183                                 p_params->p_relaxed_res =
4184                                         ECORE_HW_PREPARE_FAILED_DEV;
4185                         goto err1;
4186                 }
4187         }
4188
4189         ecore_hw_hwfn_prepare(p_hwfn);
4190
4191         /* Initialize MCP structure */
4192         rc = ecore_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt);
4193         if (rc) {
4194                 DP_NOTICE(p_hwfn, false, "Failed initializing mcp command\n");
4195                 if (p_params->b_relaxed_probe)
4196                         p_params->p_relaxed_res = ECORE_HW_PREPARE_FAILED_MEM;
4197                 goto err1;
4198         }
4199
4200         /* Read the device configuration information from the HW and SHMEM */
4201         rc = ecore_get_hw_info(p_hwfn, p_hwfn->p_main_ptt,
4202                                p_params->personality, p_params);
4203         if (rc) {
4204                 DP_NOTICE(p_hwfn, false, "Failed to get HW information\n");
4205                 goto err2;
4206         }
4207
4208         /* Sending a mailbox to the MFW should be after ecore_get_hw_info() is
4209          * called, since among others it sets the ports number in an engine.
4210          */
4211         if (p_params->initiate_pf_flr && IS_LEAD_HWFN(p_hwfn) &&
4212             !p_dev->recov_in_prog) {
4213                 rc = ecore_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
4214                 if (rc != ECORE_SUCCESS)
4215                         DP_NOTICE(p_hwfn, false, "Failed to initiate PF FLR\n");
4216         }
4217
4218         /* Check if mdump logs/data are present and update the epoch value */
4219         if (IS_LEAD_HWFN(p_hwfn)) {
4220 #ifndef ASIC_ONLY
4221                 if (!CHIP_REV_IS_EMUL(p_dev)) {
4222 #endif
4223                 rc = ecore_mcp_mdump_get_info(p_hwfn, p_hwfn->p_main_ptt,
4224                                               &mdump_info);
4225                 if (rc == ECORE_SUCCESS && mdump_info.num_of_logs)
4226                         DP_NOTICE(p_hwfn, false,
4227                                   "* * * IMPORTANT - HW ERROR register dump captured by device * * *\n");
4228
4229                 rc = ecore_mcp_mdump_get_retain(p_hwfn, p_hwfn->p_main_ptt,
4230                                                 &mdump_retain);
4231                 if (rc == ECORE_SUCCESS && mdump_retain.valid)
4232                         DP_NOTICE(p_hwfn, false,
4233                                   "mdump retained data: epoch 0x%08x, pf 0x%x, status 0x%08x\n",
4234                                   mdump_retain.epoch, mdump_retain.pf,
4235                                   mdump_retain.status);
4236
4237                 ecore_mcp_mdump_set_values(p_hwfn, p_hwfn->p_main_ptt,
4238                                            p_params->epoch);
4239 #ifndef ASIC_ONLY
4240                 }
4241 #endif
4242         }
4243
4244         /* Allocate the init RT array and initialize the init-ops engine */
4245         rc = ecore_init_alloc(p_hwfn);
4246         if (rc) {
4247                 DP_NOTICE(p_hwfn, false, "Failed to allocate the init array\n");
4248                 if (p_params->b_relaxed_probe)
4249                         p_params->p_relaxed_res = ECORE_HW_PREPARE_FAILED_MEM;
4250                 goto err2;
4251         }
4252 #ifndef ASIC_ONLY
4253         if (CHIP_REV_IS_FPGA(p_dev)) {
4254                 DP_NOTICE(p_hwfn, false,
4255                           "FPGA: workaround; Prevent DMAE parities\n");
4256                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt, PCIE_REG_PRTY_MASK_K2_E5,
4257                          7);
4258
4259                 DP_NOTICE(p_hwfn, false,
4260                           "FPGA: workaround: Set VF bar0 size\n");
4261                 ecore_wr(p_hwfn, p_hwfn->p_main_ptt,
4262                          PGLUE_B_REG_VF_BAR0_SIZE_K2_E5, 4);
4263         }
4264 #endif
4265
4266         return rc;
4267 err2:
4268         if (IS_LEAD_HWFN(p_hwfn))
4269                 ecore_iov_free_hw_info(p_dev);
4270         ecore_mcp_free(p_hwfn);
4271 err1:
4272         ecore_hw_hwfn_free(p_hwfn);
4273 err0:
4274         return rc;
4275 }
4276
4277 enum _ecore_status_t ecore_hw_prepare(struct ecore_dev *p_dev,
4278                                       struct ecore_hw_prepare_params *p_params)
4279 {
4280         struct ecore_hwfn *p_hwfn = ECORE_LEADING_HWFN(p_dev);
4281         enum _ecore_status_t rc;
4282
4283         p_dev->chk_reg_fifo = p_params->chk_reg_fifo;
4284         p_dev->allow_mdump = p_params->allow_mdump;
4285         p_hwfn->b_en_pacing = p_params->b_en_pacing;
4286
4287         if (p_params->b_relaxed_probe)
4288                 p_params->p_relaxed_res = ECORE_HW_PREPARE_SUCCESS;
4289
4290         /* Store the precompiled init data ptrs */
4291         if (IS_PF(p_dev))
4292                 ecore_init_iro_array(p_dev);
4293
4294         /* Initialize the first hwfn - will learn number of hwfns */
4295         rc = ecore_hw_prepare_single(p_hwfn,
4296                                      p_dev->regview,
4297                                      p_dev->doorbells, p_params);
4298         if (rc != ECORE_SUCCESS)
4299                 return rc;
4300
4301         p_params->personality = p_hwfn->hw_info.personality;
4302
4303         /* initilalize 2nd hwfn if necessary */
4304         if (ECORE_IS_CMT(p_dev)) {
4305                 void OSAL_IOMEM *p_regview, *p_doorbell;
4306                 u8 OSAL_IOMEM *addr;
4307
4308                 /* adjust bar offset for second engine */
4309                 addr = (u8 OSAL_IOMEM *)p_dev->regview +
4310                                         ecore_hw_bar_size(p_hwfn,
4311                                                           p_hwfn->p_main_ptt,
4312                                                           BAR_ID_0) / 2;
4313                 p_regview = (void OSAL_IOMEM *)addr;
4314
4315                 addr = (u8 OSAL_IOMEM *)p_dev->doorbells +
4316                                         ecore_hw_bar_size(p_hwfn,
4317                                                           p_hwfn->p_main_ptt,
4318                                                           BAR_ID_1) / 2;
4319                 p_doorbell = (void OSAL_IOMEM *)addr;
4320
4321                 p_dev->hwfns[1].b_en_pacing = p_params->b_en_pacing;
4322                 /* prepare second hw function */
4323                 rc = ecore_hw_prepare_single(&p_dev->hwfns[1], p_regview,
4324                                              p_doorbell, p_params);
4325
4326                 /* in case of error, need to free the previously
4327                  * initiliazed hwfn 0.
4328                  */
4329                 if (rc != ECORE_SUCCESS) {
4330                         if (p_params->b_relaxed_probe)
4331                                 p_params->p_relaxed_res =
4332                                                 ECORE_HW_PREPARE_FAILED_ENG2;
4333
4334                         if (IS_PF(p_dev)) {
4335                                 ecore_init_free(p_hwfn);
4336                                 ecore_mcp_free(p_hwfn);
4337                                 ecore_hw_hwfn_free(p_hwfn);
4338                         } else {
4339                                 DP_NOTICE(p_dev, false, "What do we need to free when VF hwfn1 init fails\n");
4340                         }
4341                         return rc;
4342                 }
4343         }
4344
4345         return rc;
4346 }
4347
4348 void ecore_hw_remove(struct ecore_dev *p_dev)
4349 {
4350         struct ecore_hwfn *p_hwfn = ECORE_LEADING_HWFN(p_dev);
4351         int i;
4352
4353         if (IS_PF(p_dev))
4354                 ecore_mcp_ov_update_driver_state(p_hwfn, p_hwfn->p_main_ptt,
4355                                         ECORE_OV_DRIVER_STATE_NOT_LOADED);
4356
4357         for_each_hwfn(p_dev, i) {
4358                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
4359
4360                 if (IS_VF(p_dev)) {
4361                         ecore_vf_pf_release(p_hwfn);
4362                         continue;
4363                 }
4364
4365                 ecore_init_free(p_hwfn);
4366                 ecore_hw_hwfn_free(p_hwfn);
4367                 ecore_mcp_free(p_hwfn);
4368
4369 #ifdef CONFIG_ECORE_LOCK_ALLOC
4370                 OSAL_SPIN_LOCK_DEALLOC(&p_hwfn->dmae_info.lock);
4371 #endif
4372         }
4373
4374         ecore_iov_free_hw_info(p_dev);
4375 }
4376
4377 static void ecore_chain_free_next_ptr(struct ecore_dev *p_dev,
4378                                       struct ecore_chain *p_chain)
4379 {
4380         void *p_virt = p_chain->p_virt_addr, *p_virt_next = OSAL_NULL;
4381         dma_addr_t p_phys = p_chain->p_phys_addr, p_phys_next = 0;
4382         struct ecore_chain_next *p_next;
4383         u32 size, i;
4384
4385         if (!p_virt)
4386                 return;
4387
4388         size = p_chain->elem_size * p_chain->usable_per_page;
4389
4390         for (i = 0; i < p_chain->page_cnt; i++) {
4391                 if (!p_virt)
4392                         break;
4393
4394                 p_next = (struct ecore_chain_next *)((u8 *)p_virt + size);
4395                 p_virt_next = p_next->next_virt;
4396                 p_phys_next = HILO_DMA_REGPAIR(p_next->next_phys);
4397
4398                 OSAL_DMA_FREE_COHERENT(p_dev, p_virt, p_phys,
4399                                        ECORE_CHAIN_PAGE_SIZE);
4400
4401                 p_virt = p_virt_next;
4402                 p_phys = p_phys_next;
4403         }
4404 }
4405
4406 static void ecore_chain_free_single(struct ecore_dev *p_dev,
4407                                     struct ecore_chain *p_chain)
4408 {
4409         if (!p_chain->p_virt_addr)
4410                 return;
4411
4412         OSAL_DMA_FREE_COHERENT(p_dev, p_chain->p_virt_addr,
4413                                p_chain->p_phys_addr, ECORE_CHAIN_PAGE_SIZE);
4414 }
4415
4416 static void ecore_chain_free_pbl(struct ecore_dev *p_dev,
4417                                  struct ecore_chain *p_chain)
4418 {
4419         void **pp_virt_addr_tbl = p_chain->pbl.pp_virt_addr_tbl;
4420         u8 *p_pbl_virt = (u8 *)p_chain->pbl_sp.p_virt_table;
4421         u32 page_cnt = p_chain->page_cnt, i, pbl_size;
4422
4423         if (!pp_virt_addr_tbl)
4424                 return;
4425
4426         if (!p_pbl_virt)
4427                 goto out;
4428
4429         for (i = 0; i < page_cnt; i++) {
4430                 if (!pp_virt_addr_tbl[i])
4431                         break;
4432
4433                 OSAL_DMA_FREE_COHERENT(p_dev, pp_virt_addr_tbl[i],
4434                                        *(dma_addr_t *)p_pbl_virt,
4435                                        ECORE_CHAIN_PAGE_SIZE);
4436
4437                 p_pbl_virt += ECORE_CHAIN_PBL_ENTRY_SIZE;
4438         }
4439
4440         pbl_size = page_cnt * ECORE_CHAIN_PBL_ENTRY_SIZE;
4441
4442         if (!p_chain->b_external_pbl)
4443                 OSAL_DMA_FREE_COHERENT(p_dev, p_chain->pbl_sp.p_virt_table,
4444                                        p_chain->pbl_sp.p_phys_table, pbl_size);
4445 out:
4446         OSAL_VFREE(p_dev, p_chain->pbl.pp_virt_addr_tbl);
4447 }
4448
4449 void ecore_chain_free(struct ecore_dev *p_dev, struct ecore_chain *p_chain)
4450 {
4451         switch (p_chain->mode) {
4452         case ECORE_CHAIN_MODE_NEXT_PTR:
4453                 ecore_chain_free_next_ptr(p_dev, p_chain);
4454                 break;
4455         case ECORE_CHAIN_MODE_SINGLE:
4456                 ecore_chain_free_single(p_dev, p_chain);
4457                 break;
4458         case ECORE_CHAIN_MODE_PBL:
4459                 ecore_chain_free_pbl(p_dev, p_chain);
4460                 break;
4461         }
4462 }
4463
4464 static enum _ecore_status_t
4465 ecore_chain_alloc_sanity_check(struct ecore_dev *p_dev,
4466                                enum ecore_chain_cnt_type cnt_type,
4467                                osal_size_t elem_size, u32 page_cnt)
4468 {
4469         u64 chain_size = ELEMS_PER_PAGE(elem_size) * page_cnt;
4470
4471         /* The actual chain size can be larger than the maximal possible value
4472          * after rounding up the requested elements number to pages, and after
4473          * taking into acount the unusuable elements (next-ptr elements).
4474          * The size of a "u16" chain can be (U16_MAX + 1) since the chain
4475          * size/capacity fields are of a u32 type.
4476          */
4477         if ((cnt_type == ECORE_CHAIN_CNT_TYPE_U16 &&
4478              chain_size > ((u32)ECORE_U16_MAX + 1)) ||
4479             (cnt_type == ECORE_CHAIN_CNT_TYPE_U32 &&
4480              chain_size > ECORE_U32_MAX)) {
4481                 DP_NOTICE(p_dev, true,
4482                           "The actual chain size (0x%lx) is larger than the maximal possible value\n",
4483                           (unsigned long)chain_size);
4484                 return ECORE_INVAL;
4485         }
4486
4487         return ECORE_SUCCESS;
4488 }
4489
4490 static enum _ecore_status_t
4491 ecore_chain_alloc_next_ptr(struct ecore_dev *p_dev, struct ecore_chain *p_chain)
4492 {
4493         void *p_virt = OSAL_NULL, *p_virt_prev = OSAL_NULL;
4494         dma_addr_t p_phys = 0;
4495         u32 i;
4496
4497         for (i = 0; i < p_chain->page_cnt; i++) {
4498                 p_virt = OSAL_DMA_ALLOC_COHERENT(p_dev, &p_phys,
4499                                                  ECORE_CHAIN_PAGE_SIZE);
4500                 if (!p_virt) {
4501                         DP_NOTICE(p_dev, false,
4502                                   "Failed to allocate chain memory\n");
4503                         return ECORE_NOMEM;
4504                 }
4505
4506                 if (i == 0) {
4507                         ecore_chain_init_mem(p_chain, p_virt, p_phys);
4508                         ecore_chain_reset(p_chain);
4509                 } else {
4510                         ecore_chain_init_next_ptr_elem(p_chain, p_virt_prev,
4511                                                        p_virt, p_phys);
4512                 }
4513
4514                 p_virt_prev = p_virt;
4515         }
4516         /* Last page's next element should point to the beginning of the
4517          * chain.
4518          */
4519         ecore_chain_init_next_ptr_elem(p_chain, p_virt_prev,
4520                                        p_chain->p_virt_addr,
4521                                        p_chain->p_phys_addr);
4522
4523         return ECORE_SUCCESS;
4524 }
4525
4526 static enum _ecore_status_t
4527 ecore_chain_alloc_single(struct ecore_dev *p_dev, struct ecore_chain *p_chain)
4528 {
4529         dma_addr_t p_phys = 0;
4530         void *p_virt = OSAL_NULL;
4531
4532         p_virt = OSAL_DMA_ALLOC_COHERENT(p_dev, &p_phys, ECORE_CHAIN_PAGE_SIZE);
4533         if (!p_virt) {
4534                 DP_NOTICE(p_dev, false, "Failed to allocate chain memory\n");
4535                 return ECORE_NOMEM;
4536         }
4537
4538         ecore_chain_init_mem(p_chain, p_virt, p_phys);
4539         ecore_chain_reset(p_chain);
4540
4541         return ECORE_SUCCESS;
4542 }
4543
4544 static enum _ecore_status_t
4545 ecore_chain_alloc_pbl(struct ecore_dev *p_dev,
4546                       struct ecore_chain *p_chain,
4547                       struct ecore_chain_ext_pbl *ext_pbl)
4548 {
4549         u32 page_cnt = p_chain->page_cnt, size, i;
4550         dma_addr_t p_phys = 0, p_pbl_phys = 0;
4551         void **pp_virt_addr_tbl = OSAL_NULL;
4552         u8 *p_pbl_virt = OSAL_NULL;
4553         void *p_virt = OSAL_NULL;
4554
4555         size = page_cnt * sizeof(*pp_virt_addr_tbl);
4556         pp_virt_addr_tbl = (void **)OSAL_VZALLOC(p_dev, size);
4557         if (!pp_virt_addr_tbl) {
4558                 DP_NOTICE(p_dev, false,
4559                           "Failed to allocate memory for the chain virtual addresses table\n");
4560                 return ECORE_NOMEM;
4561         }
4562
4563         /* The allocation of the PBL table is done with its full size, since it
4564          * is expected to be successive.
4565          * ecore_chain_init_pbl_mem() is called even in a case of an allocation
4566          * failure, since pp_virt_addr_tbl was previously allocated, and it
4567          * should be saved to allow its freeing during the error flow.
4568          */
4569         size = page_cnt * ECORE_CHAIN_PBL_ENTRY_SIZE;
4570
4571         if (ext_pbl == OSAL_NULL) {
4572                 p_pbl_virt = OSAL_DMA_ALLOC_COHERENT(p_dev, &p_pbl_phys, size);
4573         } else {
4574                 p_pbl_virt = ext_pbl->p_pbl_virt;
4575                 p_pbl_phys = ext_pbl->p_pbl_phys;
4576                 p_chain->b_external_pbl = true;
4577         }
4578
4579         ecore_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys,
4580                                  pp_virt_addr_tbl);
4581         if (!p_pbl_virt) {
4582                 DP_NOTICE(p_dev, false, "Failed to allocate chain pbl memory\n");
4583                 return ECORE_NOMEM;
4584         }
4585
4586         for (i = 0; i < page_cnt; i++) {
4587                 p_virt = OSAL_DMA_ALLOC_COHERENT(p_dev, &p_phys,
4588                                                  ECORE_CHAIN_PAGE_SIZE);
4589                 if (!p_virt) {
4590                         DP_NOTICE(p_dev, false,
4591                                   "Failed to allocate chain memory\n");
4592                         return ECORE_NOMEM;
4593                 }
4594
4595                 if (i == 0) {
4596                         ecore_chain_init_mem(p_chain, p_virt, p_phys);
4597                         ecore_chain_reset(p_chain);
4598                 }
4599
4600                 /* Fill the PBL table with the physical address of the page */
4601                 *(dma_addr_t *)p_pbl_virt = p_phys;
4602                 /* Keep the virtual address of the page */
4603                 p_chain->pbl.pp_virt_addr_tbl[i] = p_virt;
4604
4605                 p_pbl_virt += ECORE_CHAIN_PBL_ENTRY_SIZE;
4606         }
4607
4608         return ECORE_SUCCESS;
4609 }
4610
4611 enum _ecore_status_t ecore_chain_alloc(struct ecore_dev *p_dev,
4612                                        enum ecore_chain_use_mode intended_use,
4613                                        enum ecore_chain_mode mode,
4614                                        enum ecore_chain_cnt_type cnt_type,
4615                                        u32 num_elems, osal_size_t elem_size,
4616                                        struct ecore_chain *p_chain,
4617                                        struct ecore_chain_ext_pbl *ext_pbl)
4618 {
4619         u32 page_cnt;
4620         enum _ecore_status_t rc = ECORE_SUCCESS;
4621
4622         if (mode == ECORE_CHAIN_MODE_SINGLE)
4623                 page_cnt = 1;
4624         else
4625                 page_cnt = ECORE_CHAIN_PAGE_CNT(num_elems, elem_size, mode);
4626
4627         rc = ecore_chain_alloc_sanity_check(p_dev, cnt_type, elem_size,
4628                                             page_cnt);
4629         if (rc) {
4630                 DP_NOTICE(p_dev, false,
4631                           "Cannot allocate a chain with the given arguments:\n"
4632                           "[use_mode %d, mode %d, cnt_type %d, num_elems %d, elem_size %zu]\n",
4633                           intended_use, mode, cnt_type, num_elems, elem_size);
4634                 return rc;
4635         }
4636
4637         ecore_chain_init_params(p_chain, page_cnt, (u8)elem_size, intended_use,
4638                                 mode, cnt_type, p_dev->dp_ctx);
4639
4640         switch (mode) {
4641         case ECORE_CHAIN_MODE_NEXT_PTR:
4642                 rc = ecore_chain_alloc_next_ptr(p_dev, p_chain);
4643                 break;
4644         case ECORE_CHAIN_MODE_SINGLE:
4645                 rc = ecore_chain_alloc_single(p_dev, p_chain);
4646                 break;
4647         case ECORE_CHAIN_MODE_PBL:
4648                 rc = ecore_chain_alloc_pbl(p_dev, p_chain, ext_pbl);
4649                 break;
4650         }
4651         if (rc)
4652                 goto nomem;
4653
4654         return ECORE_SUCCESS;
4655
4656 nomem:
4657         ecore_chain_free(p_dev, p_chain);
4658         return rc;
4659 }
4660
4661 enum _ecore_status_t ecore_fw_l2_queue(struct ecore_hwfn *p_hwfn,
4662                                        u16 src_id, u16 *dst_id)
4663 {
4664         if (src_id >= RESC_NUM(p_hwfn, ECORE_L2_QUEUE)) {
4665                 u16 min, max;
4666
4667                 min = (u16)RESC_START(p_hwfn, ECORE_L2_QUEUE);
4668                 max = min + RESC_NUM(p_hwfn, ECORE_L2_QUEUE);
4669                 DP_NOTICE(p_hwfn, true,
4670                           "l2_queue id [%d] is not valid, available indices [%d - %d]\n",
4671                           src_id, min, max);
4672
4673                 return ECORE_INVAL;
4674         }
4675
4676         *dst_id = RESC_START(p_hwfn, ECORE_L2_QUEUE) + src_id;
4677
4678         return ECORE_SUCCESS;
4679 }
4680
4681 enum _ecore_status_t ecore_fw_vport(struct ecore_hwfn *p_hwfn,
4682                                     u8 src_id, u8 *dst_id)
4683 {
4684         if (src_id >= RESC_NUM(p_hwfn, ECORE_VPORT)) {
4685                 u8 min, max;
4686
4687                 min = (u8)RESC_START(p_hwfn, ECORE_VPORT);
4688                 max = min + RESC_NUM(p_hwfn, ECORE_VPORT);
4689                 DP_NOTICE(p_hwfn, true,
4690                           "vport id [%d] is not valid, available indices [%d - %d]\n",
4691                           src_id, min, max);
4692
4693                 return ECORE_INVAL;
4694         }
4695
4696         *dst_id = RESC_START(p_hwfn, ECORE_VPORT) + src_id;
4697
4698         return ECORE_SUCCESS;
4699 }
4700
4701 enum _ecore_status_t ecore_fw_rss_eng(struct ecore_hwfn *p_hwfn,
4702                                       u8 src_id, u8 *dst_id)
4703 {
4704         if (src_id >= RESC_NUM(p_hwfn, ECORE_RSS_ENG)) {
4705                 u8 min, max;
4706
4707                 min = (u8)RESC_START(p_hwfn, ECORE_RSS_ENG);
4708                 max = min + RESC_NUM(p_hwfn, ECORE_RSS_ENG);
4709                 DP_NOTICE(p_hwfn, true,
4710                           "rss_eng id [%d] is not valid, available indices [%d - %d]\n",
4711                           src_id, min, max);
4712
4713                 return ECORE_INVAL;
4714         }
4715
4716         *dst_id = RESC_START(p_hwfn, ECORE_RSS_ENG) + src_id;
4717
4718         return ECORE_SUCCESS;
4719 }
4720
4721 static enum _ecore_status_t
4722 ecore_llh_add_mac_filter_bb_ah(struct ecore_hwfn *p_hwfn,
4723                                struct ecore_ptt *p_ptt, u32 high, u32 low,
4724                                u32 *p_entry_num)
4725 {
4726         u32 en;
4727         int i;
4728
4729         /* Find a free entry and utilize it */
4730         for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4731                 en = ecore_rd(p_hwfn, p_ptt,
4732                               NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 +
4733                               i * sizeof(u32));
4734                 if (en)
4735                         continue;
4736                 ecore_wr(p_hwfn, p_ptt,
4737                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4738                          2 * i * sizeof(u32), low);
4739                 ecore_wr(p_hwfn, p_ptt,
4740                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4741                          (2 * i + 1) * sizeof(u32), high);
4742                 ecore_wr(p_hwfn, p_ptt,
4743                          NIG_REG_LLH_FUNC_FILTER_MODE_BB_K2 +
4744                          i * sizeof(u32), 0);
4745                 ecore_wr(p_hwfn, p_ptt,
4746                          NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE_BB_K2 +
4747                          i * sizeof(u32), 0);
4748                 ecore_wr(p_hwfn, p_ptt,
4749                          NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 +
4750                          i * sizeof(u32), 1);
4751                 break;
4752         }
4753
4754         if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE)
4755                 return ECORE_NORESOURCES;
4756
4757         *p_entry_num = i;
4758
4759         return ECORE_SUCCESS;
4760 }
4761
4762 enum _ecore_status_t ecore_llh_add_mac_filter(struct ecore_hwfn *p_hwfn,
4763                                           struct ecore_ptt *p_ptt, u8 *p_filter)
4764 {
4765         u32 high, low, entry_num;
4766         enum _ecore_status_t rc = ECORE_SUCCESS;
4767
4768         if (!OSAL_TEST_BIT(ECORE_MF_LLH_MAC_CLSS,
4769                            &p_hwfn->p_dev->mf_bits))
4770                 return ECORE_SUCCESS;
4771
4772         high = p_filter[1] | (p_filter[0] << 8);
4773         low = p_filter[5] | (p_filter[4] << 8) |
4774               (p_filter[3] << 16) | (p_filter[2] << 24);
4775
4776         if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev))
4777                 rc = ecore_llh_add_mac_filter_bb_ah(p_hwfn, p_ptt, high, low,
4778                                                     &entry_num);
4779         if (rc != ECORE_SUCCESS) {
4780                 DP_NOTICE(p_hwfn, false,
4781                           "Failed to find an empty LLH filter to utilize\n");
4782                 return rc;
4783         }
4784
4785         DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4786                    "MAC: %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx is added at %d\n",
4787                    p_filter[0], p_filter[1], p_filter[2], p_filter[3],
4788                    p_filter[4], p_filter[5], entry_num);
4789
4790         return rc;
4791 }
4792
4793 static enum _ecore_status_t
4794 ecore_llh_remove_mac_filter_bb_ah(struct ecore_hwfn *p_hwfn,
4795                                   struct ecore_ptt *p_ptt, u32 high, u32 low,
4796                                   u32 *p_entry_num)
4797 {
4798         int i;
4799
4800         /* Find the entry and clean it */
4801         for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4802                 if (ecore_rd(p_hwfn, p_ptt,
4803                              NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4804                              2 * i * sizeof(u32)) != low)
4805                         continue;
4806                 if (ecore_rd(p_hwfn, p_ptt,
4807                              NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4808                              (2 * i + 1) * sizeof(u32)) != high)
4809                         continue;
4810
4811                 ecore_wr(p_hwfn, p_ptt,
4812                          NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 + i * sizeof(u32), 0);
4813                 ecore_wr(p_hwfn, p_ptt,
4814                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4815                          2 * i * sizeof(u32), 0);
4816                 ecore_wr(p_hwfn, p_ptt,
4817                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4818                          (2 * i + 1) * sizeof(u32), 0);
4819                 break;
4820         }
4821
4822         if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE)
4823                 return ECORE_INVAL;
4824
4825         *p_entry_num = i;
4826
4827         return ECORE_SUCCESS;
4828 }
4829
4830 void ecore_llh_remove_mac_filter(struct ecore_hwfn *p_hwfn,
4831                              struct ecore_ptt *p_ptt, u8 *p_filter)
4832 {
4833         u32 high, low, entry_num;
4834         enum _ecore_status_t rc = ECORE_SUCCESS;
4835
4836         if (!OSAL_TEST_BIT(ECORE_MF_LLH_MAC_CLSS,
4837                            &p_hwfn->p_dev->mf_bits))
4838                 return;
4839
4840         high = p_filter[1] | (p_filter[0] << 8);
4841         low = p_filter[5] | (p_filter[4] << 8) |
4842               (p_filter[3] << 16) | (p_filter[2] << 24);
4843
4844         if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev))
4845                 rc = ecore_llh_remove_mac_filter_bb_ah(p_hwfn, p_ptt, high,
4846                                                        low, &entry_num);
4847         if (rc != ECORE_SUCCESS) {
4848                 DP_NOTICE(p_hwfn, false,
4849                           "Tried to remove a non-configured filter\n");
4850                 return;
4851         }
4852
4853
4854         DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4855                    "MAC: %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx was removed from %d\n",
4856                    p_filter[0], p_filter[1], p_filter[2], p_filter[3],
4857                    p_filter[4], p_filter[5], entry_num);
4858 }
4859
4860 static enum _ecore_status_t
4861 ecore_llh_add_protocol_filter_bb_ah(struct ecore_hwfn *p_hwfn,
4862                                     struct ecore_ptt *p_ptt,
4863                                     enum ecore_llh_port_filter_type_t type,
4864                                     u32 high, u32 low, u32 *p_entry_num)
4865 {
4866         u32 en;
4867         int i;
4868
4869         /* Find a free entry and utilize it */
4870         for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4871                 en = ecore_rd(p_hwfn, p_ptt,
4872                               NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 +
4873                               i * sizeof(u32));
4874                 if (en)
4875                         continue;
4876                 ecore_wr(p_hwfn, p_ptt,
4877                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4878                          2 * i * sizeof(u32), low);
4879                 ecore_wr(p_hwfn, p_ptt,
4880                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
4881                          (2 * i + 1) * sizeof(u32), high);
4882                 ecore_wr(p_hwfn, p_ptt,
4883                          NIG_REG_LLH_FUNC_FILTER_MODE_BB_K2 +
4884                          i * sizeof(u32), 1);
4885                 ecore_wr(p_hwfn, p_ptt,
4886                          NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE_BB_K2 +
4887                          i * sizeof(u32), 1 << type);
4888                 ecore_wr(p_hwfn, p_ptt,
4889                          NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 + i * sizeof(u32), 1);
4890                 break;
4891         }
4892
4893         if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE)
4894                 return ECORE_NORESOURCES;
4895
4896         *p_entry_num = i;
4897
4898         return ECORE_SUCCESS;
4899 }
4900
4901 enum _ecore_status_t
4902 ecore_llh_add_protocol_filter(struct ecore_hwfn *p_hwfn,
4903                               struct ecore_ptt *p_ptt,
4904                               u16 source_port_or_eth_type,
4905                               u16 dest_port,
4906                               enum ecore_llh_port_filter_type_t type)
4907 {
4908         u32 high, low, entry_num;
4909         enum _ecore_status_t rc = ECORE_SUCCESS;
4910
4911         if (!OSAL_TEST_BIT(ECORE_MF_LLH_PROTO_CLSS,
4912                            &p_hwfn->p_dev->mf_bits))
4913                 return rc;
4914
4915         high = 0;
4916         low = 0;
4917
4918         switch (type) {
4919         case ECORE_LLH_FILTER_ETHERTYPE:
4920                 high = source_port_or_eth_type;
4921                 break;
4922         case ECORE_LLH_FILTER_TCP_SRC_PORT:
4923         case ECORE_LLH_FILTER_UDP_SRC_PORT:
4924                 low = source_port_or_eth_type << 16;
4925                 break;
4926         case ECORE_LLH_FILTER_TCP_DEST_PORT:
4927         case ECORE_LLH_FILTER_UDP_DEST_PORT:
4928                 low = dest_port;
4929                 break;
4930         case ECORE_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
4931         case ECORE_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
4932                 low = (source_port_or_eth_type << 16) | dest_port;
4933                 break;
4934         default:
4935                 DP_NOTICE(p_hwfn, true,
4936                           "Non valid LLH protocol filter type %d\n", type);
4937                 return ECORE_INVAL;
4938         }
4939
4940         if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev))
4941                 rc = ecore_llh_add_protocol_filter_bb_ah(p_hwfn, p_ptt, type,
4942                                                          high, low, &entry_num);
4943         if (rc != ECORE_SUCCESS) {
4944                 DP_NOTICE(p_hwfn, false,
4945                           "Failed to find an empty LLH filter to utilize\n");
4946                 return rc;
4947         }
4948         switch (type) {
4949         case ECORE_LLH_FILTER_ETHERTYPE:
4950                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4951                            "ETH type %x is added at %d\n",
4952                            source_port_or_eth_type, entry_num);
4953                 break;
4954         case ECORE_LLH_FILTER_TCP_SRC_PORT:
4955                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4956                            "TCP src port %x is added at %d\n",
4957                            source_port_or_eth_type, entry_num);
4958                 break;
4959         case ECORE_LLH_FILTER_UDP_SRC_PORT:
4960                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4961                            "UDP src port %x is added at %d\n",
4962                            source_port_or_eth_type, entry_num);
4963                 break;
4964         case ECORE_LLH_FILTER_TCP_DEST_PORT:
4965                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4966                            "TCP dst port %x is added at %d\n", dest_port,
4967                            entry_num);
4968                 break;
4969         case ECORE_LLH_FILTER_UDP_DEST_PORT:
4970                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4971                            "UDP dst port %x is added at %d\n", dest_port,
4972                            entry_num);
4973                 break;
4974         case ECORE_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
4975                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4976                            "TCP src/dst ports %x/%x are added at %d\n",
4977                            source_port_or_eth_type, dest_port, entry_num);
4978                 break;
4979         case ECORE_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
4980                 DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
4981                            "UDP src/dst ports %x/%x are added at %d\n",
4982                            source_port_or_eth_type, dest_port, entry_num);
4983                 break;
4984         }
4985
4986         return rc;
4987 }
4988
4989 static enum _ecore_status_t
4990 ecore_llh_remove_protocol_filter_bb_ah(struct ecore_hwfn *p_hwfn,
4991                                        struct ecore_ptt *p_ptt,
4992                                        enum ecore_llh_port_filter_type_t type,
4993                                        u32 high, u32 low, u32 *p_entry_num)
4994 {
4995         int i;
4996
4997         /* Find the entry and clean it */
4998         for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4999                 if (!ecore_rd(p_hwfn, p_ptt,
5000                               NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 +
5001                               i * sizeof(u32)))
5002                         continue;
5003                 if (!ecore_rd(p_hwfn, p_ptt,
5004                               NIG_REG_LLH_FUNC_FILTER_MODE_BB_K2 +
5005                               i * sizeof(u32)))
5006                         continue;
5007                 if (!(ecore_rd(p_hwfn, p_ptt,
5008                                NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE_BB_K2 +
5009                                i * sizeof(u32)) & (1 << type)))
5010                         continue;
5011                 if (ecore_rd(p_hwfn, p_ptt,
5012                              NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
5013                              2 * i * sizeof(u32)) != low)
5014                         continue;
5015                 if (ecore_rd(p_hwfn, p_ptt,
5016                              NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
5017                              (2 * i + 1) * sizeof(u32)) != high)
5018                         continue;
5019
5020                 ecore_wr(p_hwfn, p_ptt,
5021                          NIG_REG_LLH_FUNC_FILTER_EN_BB_K2 + i * sizeof(u32), 0);
5022                 ecore_wr(p_hwfn, p_ptt,
5023                          NIG_REG_LLH_FUNC_FILTER_MODE_BB_K2 +
5024                          i * sizeof(u32), 0);
5025                 ecore_wr(p_hwfn, p_ptt,
5026                          NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE_BB_K2 +
5027                          i * sizeof(u32), 0);
5028                 ecore_wr(p_hwfn, p_ptt,
5029                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
5030                          2 * i * sizeof(u32), 0);
5031                 ecore_wr(p_hwfn, p_ptt,
5032                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
5033                          (2 * i + 1) * sizeof(u32), 0);
5034                 break;
5035         }
5036
5037         if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE)
5038                 return ECORE_INVAL;
5039
5040         *p_entry_num = i;
5041
5042         return ECORE_SUCCESS;
5043 }
5044
5045 void
5046 ecore_llh_remove_protocol_filter(struct ecore_hwfn *p_hwfn,
5047                                  struct ecore_ptt *p_ptt,
5048                                  u16 source_port_or_eth_type,
5049                                  u16 dest_port,
5050                                  enum ecore_llh_port_filter_type_t type)
5051 {
5052         u32 high, low, entry_num;
5053         enum _ecore_status_t rc = ECORE_SUCCESS;
5054
5055         if (!OSAL_TEST_BIT(ECORE_MF_LLH_PROTO_CLSS,
5056                            &p_hwfn->p_dev->mf_bits))
5057                 return;
5058
5059         high = 0;
5060         low = 0;
5061
5062         switch (type) {
5063         case ECORE_LLH_FILTER_ETHERTYPE:
5064                 high = source_port_or_eth_type;
5065                 break;
5066         case ECORE_LLH_FILTER_TCP_SRC_PORT:
5067         case ECORE_LLH_FILTER_UDP_SRC_PORT:
5068                 low = source_port_or_eth_type << 16;
5069                 break;
5070         case ECORE_LLH_FILTER_TCP_DEST_PORT:
5071         case ECORE_LLH_FILTER_UDP_DEST_PORT:
5072                 low = dest_port;
5073                 break;
5074         case ECORE_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
5075         case ECORE_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
5076                 low = (source_port_or_eth_type << 16) | dest_port;
5077                 break;
5078         default:
5079                 DP_NOTICE(p_hwfn, true,
5080                           "Non valid LLH protocol filter type %d\n", type);
5081                 return;
5082         }
5083
5084         if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev))
5085                 rc = ecore_llh_remove_protocol_filter_bb_ah(p_hwfn, p_ptt, type,
5086                                                             high, low,
5087                                                             &entry_num);
5088         if (rc != ECORE_SUCCESS) {
5089                 DP_NOTICE(p_hwfn, false,
5090                           "Tried to remove a non-configured filter [type %d, source_port_or_eth_type 0x%x, dest_port 0x%x]\n",
5091                           type, source_port_or_eth_type, dest_port);
5092                 return;
5093         }
5094
5095         DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
5096                    "Protocol filter [type %d, source_port_or_eth_type 0x%x, dest_port 0x%x] was removed from %d\n",
5097                    type, source_port_or_eth_type, dest_port, entry_num);
5098 }
5099
5100 static void ecore_llh_clear_all_filters_bb_ah(struct ecore_hwfn *p_hwfn,
5101                                               struct ecore_ptt *p_ptt)
5102 {
5103         int i;
5104
5105         if (!(IS_MF_SI(p_hwfn) || IS_MF_DEFAULT(p_hwfn)))
5106                 return;
5107
5108         for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
5109                 ecore_wr(p_hwfn, p_ptt,
5110                          NIG_REG_LLH_FUNC_FILTER_EN_BB_K2  +
5111                          i * sizeof(u32), 0);
5112                 ecore_wr(p_hwfn, p_ptt,
5113                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
5114                          2 * i * sizeof(u32), 0);
5115                 ecore_wr(p_hwfn, p_ptt,
5116                          NIG_REG_LLH_FUNC_FILTER_VALUE_BB_K2 +
5117                          (2 * i + 1) * sizeof(u32), 0);
5118         }
5119 }
5120
5121 void ecore_llh_clear_all_filters(struct ecore_hwfn *p_hwfn,
5122                              struct ecore_ptt *p_ptt)
5123 {
5124         if (!OSAL_TEST_BIT(ECORE_MF_LLH_PROTO_CLSS,
5125                            &p_hwfn->p_dev->mf_bits) &&
5126             !OSAL_TEST_BIT(ECORE_MF_LLH_MAC_CLSS,
5127                            &p_hwfn->p_dev->mf_bits))
5128                 return;
5129
5130         if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev))
5131                 ecore_llh_clear_all_filters_bb_ah(p_hwfn, p_ptt);
5132 }
5133
5134 enum _ecore_status_t
5135 ecore_llh_set_function_as_default(struct ecore_hwfn *p_hwfn,
5136                                   struct ecore_ptt *p_ptt)
5137 {
5138         if (OSAL_TEST_BIT(ECORE_MF_NEED_DEF_PF, &p_hwfn->p_dev->mf_bits)) {
5139                 ecore_wr(p_hwfn, p_ptt,
5140                          NIG_REG_LLH_TAGMAC_DEF_PF_VECTOR,
5141                          1 << p_hwfn->abs_pf_id / 2);
5142                 ecore_wr(p_hwfn, p_ptt, PRS_REG_MSG_INFO, 0);
5143                 return ECORE_SUCCESS;
5144         }
5145
5146         DP_NOTICE(p_hwfn, false,
5147                   "This function can't be set as default\n");
5148         return ECORE_INVAL;
5149 }
5150
5151 static enum _ecore_status_t ecore_set_coalesce(struct ecore_hwfn *p_hwfn,
5152                                                struct ecore_ptt *p_ptt,
5153                                                u32 hw_addr, void *p_eth_qzone,
5154                                                osal_size_t eth_qzone_size,
5155                                                u8 timeset)
5156 {
5157         struct coalescing_timeset *p_coal_timeset;
5158
5159         if (p_hwfn->p_dev->int_coalescing_mode != ECORE_COAL_MODE_ENABLE) {
5160                 DP_NOTICE(p_hwfn, true,
5161                           "Coalescing configuration not enabled\n");
5162                 return ECORE_INVAL;
5163         }
5164
5165         p_coal_timeset = p_eth_qzone;
5166         OSAL_MEMSET(p_eth_qzone, 0, eth_qzone_size);
5167         SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_TIMESET, timeset);
5168         SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_VALID, 1);
5169         ecore_memcpy_to(p_hwfn, p_ptt, hw_addr, p_eth_qzone, eth_qzone_size);
5170
5171         return ECORE_SUCCESS;
5172 }
5173
5174 enum _ecore_status_t ecore_set_queue_coalesce(struct ecore_hwfn *p_hwfn,
5175                                               u16 rx_coal, u16 tx_coal,
5176                                               void *p_handle)
5177 {
5178         struct ecore_queue_cid *p_cid = (struct ecore_queue_cid *)p_handle;
5179         enum _ecore_status_t rc = ECORE_SUCCESS;
5180         struct ecore_ptt *p_ptt;
5181
5182         /* TODO - Configuring a single queue's coalescing but
5183          * claiming all queues are abiding same configuration
5184          * for PF and VF both.
5185          */
5186
5187         if (IS_VF(p_hwfn->p_dev))
5188                 return ecore_vf_pf_set_coalesce(p_hwfn, rx_coal,
5189                                                 tx_coal, p_cid);
5190
5191         p_ptt = ecore_ptt_acquire(p_hwfn);
5192         if (!p_ptt)
5193                 return ECORE_AGAIN;
5194
5195         if (rx_coal) {
5196                 rc = ecore_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
5197                 if (rc)
5198                         goto out;
5199                 p_hwfn->p_dev->rx_coalesce_usecs = rx_coal;
5200         }
5201
5202         if (tx_coal) {
5203                 rc = ecore_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, p_cid);
5204                 if (rc)
5205                         goto out;
5206                 p_hwfn->p_dev->tx_coalesce_usecs = tx_coal;
5207         }
5208 out:
5209         ecore_ptt_release(p_hwfn, p_ptt);
5210
5211         return rc;
5212 }
5213
5214 enum _ecore_status_t ecore_set_rxq_coalesce(struct ecore_hwfn *p_hwfn,
5215                                             struct ecore_ptt *p_ptt,
5216                                             u16 coalesce,
5217                                             struct ecore_queue_cid *p_cid)
5218 {
5219         struct ustorm_eth_queue_zone eth_qzone;
5220         u8 timeset, timer_res;
5221         u32 address;
5222         enum _ecore_status_t rc;
5223
5224         /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
5225         if (coalesce <= 0x7F) {
5226                 timer_res = 0;
5227         } else if (coalesce <= 0xFF) {
5228                 timer_res = 1;
5229         } else if (coalesce <= 0x1FF) {
5230                 timer_res = 2;
5231         } else {
5232                 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
5233                 return ECORE_INVAL;
5234         }
5235         timeset = (u8)(coalesce >> timer_res);
5236
5237         rc = ecore_int_set_timer_res(p_hwfn, p_ptt, timer_res,
5238                                      p_cid->sb_igu_id, false);
5239         if (rc != ECORE_SUCCESS)
5240                 goto out;
5241
5242         address = BAR0_MAP_REG_USDM_RAM +
5243                   USTORM_ETH_QUEUE_ZONE_OFFSET(p_cid->abs.queue_id);
5244
5245         rc = ecore_set_coalesce(p_hwfn, p_ptt, address, &eth_qzone,
5246                                 sizeof(struct ustorm_eth_queue_zone), timeset);
5247         if (rc != ECORE_SUCCESS)
5248                 goto out;
5249
5250 out:
5251         return rc;
5252 }
5253
5254 enum _ecore_status_t ecore_set_txq_coalesce(struct ecore_hwfn *p_hwfn,
5255                                             struct ecore_ptt *p_ptt,
5256                                             u16 coalesce,
5257                                             struct ecore_queue_cid *p_cid)
5258 {
5259         struct xstorm_eth_queue_zone eth_qzone;
5260         u8 timeset, timer_res;
5261         u32 address;
5262         enum _ecore_status_t rc;
5263
5264         /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
5265         if (coalesce <= 0x7F) {
5266                 timer_res = 0;
5267         } else if (coalesce <= 0xFF) {
5268                 timer_res = 1;
5269         } else if (coalesce <= 0x1FF) {
5270                 timer_res = 2;
5271         } else {
5272                 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
5273                 return ECORE_INVAL;
5274         }
5275
5276         timeset = (u8)(coalesce >> timer_res);
5277
5278         rc = ecore_int_set_timer_res(p_hwfn, p_ptt, timer_res,
5279                                      p_cid->sb_igu_id, true);
5280         if (rc != ECORE_SUCCESS)
5281                 goto out;
5282
5283         address = BAR0_MAP_REG_XSDM_RAM +
5284                   XSTORM_ETH_QUEUE_ZONE_OFFSET(p_cid->abs.queue_id);
5285
5286         rc = ecore_set_coalesce(p_hwfn, p_ptt, address, &eth_qzone,
5287                                 sizeof(struct xstorm_eth_queue_zone), timeset);
5288 out:
5289         return rc;
5290 }
5291
5292 /* Calculate final WFQ values for all vports and configure it.
5293  * After this configuration each vport must have
5294  * approx min rate =  vport_wfq * min_pf_rate / ECORE_WFQ_UNIT
5295  */
5296 static void ecore_configure_wfq_for_all_vports(struct ecore_hwfn *p_hwfn,
5297                                                struct ecore_ptt *p_ptt,
5298                                                u32 min_pf_rate)
5299 {
5300         struct init_qm_vport_params *vport_params;
5301         int i;
5302
5303         vport_params = p_hwfn->qm_info.qm_vport_params;
5304
5305         for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
5306                 u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
5307
5308                 vport_params[i].vport_wfq = (wfq_speed * ECORE_WFQ_UNIT) /
5309                     min_pf_rate;
5310                 ecore_init_vport_wfq(p_hwfn, p_ptt,
5311                                      vport_params[i].first_tx_pq_id,
5312                                      vport_params[i].vport_wfq);
5313         }
5314 }
5315
5316 static void ecore_init_wfq_default_param(struct ecore_hwfn *p_hwfn)
5317 {
5318         int i;
5319
5320         for (i = 0; i < p_hwfn->qm_info.num_vports; i++)
5321                 p_hwfn->qm_info.qm_vport_params[i].vport_wfq = 1;
5322 }
5323
5324 static void ecore_disable_wfq_for_all_vports(struct ecore_hwfn *p_hwfn,
5325                                              struct ecore_ptt *p_ptt)
5326 {
5327         struct init_qm_vport_params *vport_params;
5328         int i;
5329
5330         vport_params = p_hwfn->qm_info.qm_vport_params;
5331
5332         for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
5333                 ecore_init_wfq_default_param(p_hwfn);
5334                 ecore_init_vport_wfq(p_hwfn, p_ptt,
5335                                      vport_params[i].first_tx_pq_id,
5336                                      vport_params[i].vport_wfq);
5337         }
5338 }
5339
5340 /* This function performs several validations for WFQ
5341  * configuration and required min rate for a given vport
5342  * 1. req_rate must be greater than one percent of min_pf_rate.
5343  * 2. req_rate should not cause other vports [not configured for WFQ explicitly]
5344  *    rates to get less than one percent of min_pf_rate.
5345  * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate.
5346  */
5347 static enum _ecore_status_t ecore_init_wfq_param(struct ecore_hwfn *p_hwfn,
5348                                                  u16 vport_id, u32 req_rate,
5349                                                  u32 min_pf_rate)
5350 {
5351         u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0;
5352         int non_requested_count = 0, req_count = 0, i, num_vports;
5353
5354         num_vports = p_hwfn->qm_info.num_vports;
5355
5356 /* Accounting for the vports which are configured for WFQ explicitly */
5357
5358         for (i = 0; i < num_vports; i++) {
5359                 u32 tmp_speed;
5360
5361                 if ((i != vport_id) && p_hwfn->qm_info.wfq_data[i].configured) {
5362                         req_count++;
5363                         tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
5364                         total_req_min_rate += tmp_speed;
5365                 }
5366         }
5367
5368         /* Include current vport data as well */
5369         req_count++;
5370         total_req_min_rate += req_rate;
5371         non_requested_count = num_vports - req_count;
5372
5373         /* validate possible error cases */
5374         if (req_rate < min_pf_rate / ECORE_WFQ_UNIT) {
5375                 DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
5376                            "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
5377                            vport_id, req_rate, min_pf_rate);
5378                 return ECORE_INVAL;
5379         }
5380
5381         /* TBD - for number of vports greater than 100 */
5382         if (num_vports > ECORE_WFQ_UNIT) {
5383                 DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
5384                            "Number of vports is greater than %d\n",
5385                            ECORE_WFQ_UNIT);
5386                 return ECORE_INVAL;
5387         }
5388
5389         if (total_req_min_rate > min_pf_rate) {
5390                 DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
5391                            "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n",
5392                            total_req_min_rate, min_pf_rate);
5393                 return ECORE_INVAL;
5394         }
5395
5396         /* Data left for non requested vports */
5397         total_left_rate = min_pf_rate - total_req_min_rate;
5398         left_rate_per_vp = total_left_rate / non_requested_count;
5399
5400         /* validate if non requested get < 1% of min bw */
5401         if (left_rate_per_vp < min_pf_rate / ECORE_WFQ_UNIT) {
5402                 DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
5403                            "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
5404                            left_rate_per_vp, min_pf_rate);
5405                 return ECORE_INVAL;
5406         }
5407
5408         /* now req_rate for given vport passes all scenarios.
5409          * assign final wfq rates to all vports.
5410          */
5411         p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate;
5412         p_hwfn->qm_info.wfq_data[vport_id].configured = true;
5413
5414         for (i = 0; i < num_vports; i++) {
5415                 if (p_hwfn->qm_info.wfq_data[i].configured)
5416                         continue;
5417
5418                 p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp;
5419         }
5420
5421         return ECORE_SUCCESS;
5422 }
5423
5424 static int __ecore_configure_vport_wfq(struct ecore_hwfn *p_hwfn,
5425                                        struct ecore_ptt *p_ptt,
5426                                        u16 vp_id, u32 rate)
5427 {
5428         struct ecore_mcp_link_state *p_link;
5429         int rc = ECORE_SUCCESS;
5430
5431         p_link = &p_hwfn->p_dev->hwfns[0].mcp_info->link_output;
5432
5433         if (!p_link->min_pf_rate) {
5434                 p_hwfn->qm_info.wfq_data[vp_id].min_speed = rate;
5435                 p_hwfn->qm_info.wfq_data[vp_id].configured = true;
5436                 return rc;
5437         }
5438
5439         rc = ecore_init_wfq_param(p_hwfn, vp_id, rate, p_link->min_pf_rate);
5440
5441         if (rc == ECORE_SUCCESS)
5442                 ecore_configure_wfq_for_all_vports(p_hwfn, p_ptt,
5443                                                    p_link->min_pf_rate);
5444         else
5445                 DP_NOTICE(p_hwfn, false,
5446                           "Validation failed while configuring min rate\n");
5447
5448         return rc;
5449 }
5450
5451 static int __ecore_configure_vp_wfq_on_link_change(struct ecore_hwfn *p_hwfn,
5452                                                    struct ecore_ptt *p_ptt,
5453                                                    u32 min_pf_rate)
5454 {
5455         bool use_wfq = false;
5456         int rc = ECORE_SUCCESS;
5457         u16 i;
5458
5459         /* Validate all pre configured vports for wfq */
5460         for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
5461                 u32 rate;
5462
5463                 if (!p_hwfn->qm_info.wfq_data[i].configured)
5464                         continue;
5465
5466                 rate = p_hwfn->qm_info.wfq_data[i].min_speed;
5467                 use_wfq = true;
5468
5469                 rc = ecore_init_wfq_param(p_hwfn, i, rate, min_pf_rate);
5470                 if (rc != ECORE_SUCCESS) {
5471                         DP_NOTICE(p_hwfn, false,
5472                                   "WFQ validation failed while configuring min rate\n");
5473                         break;
5474                 }
5475         }
5476
5477         if (rc == ECORE_SUCCESS && use_wfq)
5478                 ecore_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
5479         else
5480                 ecore_disable_wfq_for_all_vports(p_hwfn, p_ptt);
5481
5482         return rc;
5483 }
5484
5485 /* Main API for ecore clients to configure vport min rate.
5486  * vp_id - vport id in PF Range[0 - (total_num_vports_per_pf - 1)]
5487  * rate - Speed in Mbps needs to be assigned to a given vport.
5488  */
5489 int ecore_configure_vport_wfq(struct ecore_dev *p_dev, u16 vp_id, u32 rate)
5490 {
5491         int i, rc = ECORE_INVAL;
5492
5493         /* TBD - for multiple hardware functions - that is 100 gig */
5494         if (ECORE_IS_CMT(p_dev)) {
5495                 DP_NOTICE(p_dev, false,
5496                           "WFQ configuration is not supported for this device\n");
5497                 return rc;
5498         }
5499
5500         for_each_hwfn(p_dev, i) {
5501                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
5502                 struct ecore_ptt *p_ptt;
5503
5504                 p_ptt = ecore_ptt_acquire(p_hwfn);
5505                 if (!p_ptt)
5506                         return ECORE_TIMEOUT;
5507
5508                 rc = __ecore_configure_vport_wfq(p_hwfn, p_ptt, vp_id, rate);
5509
5510                 if (rc != ECORE_SUCCESS) {
5511                         ecore_ptt_release(p_hwfn, p_ptt);
5512                         return rc;
5513                 }
5514
5515                 ecore_ptt_release(p_hwfn, p_ptt);
5516         }
5517
5518         return rc;
5519 }
5520
5521 /* API to configure WFQ from mcp link change */
5522 void ecore_configure_vp_wfq_on_link_change(struct ecore_dev *p_dev,
5523                                            struct ecore_ptt *p_ptt,
5524                                            u32 min_pf_rate)
5525 {
5526         int i;
5527
5528         /* TBD - for multiple hardware functions - that is 100 gig */
5529         if (ECORE_IS_CMT(p_dev)) {
5530                 DP_VERBOSE(p_dev, ECORE_MSG_LINK,
5531                            "WFQ configuration is not supported for this device\n");
5532                 return;
5533         }
5534
5535         for_each_hwfn(p_dev, i) {
5536                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
5537
5538                 __ecore_configure_vp_wfq_on_link_change(p_hwfn, p_ptt,
5539                                                         min_pf_rate);
5540         }
5541 }
5542
5543 int __ecore_configure_pf_max_bandwidth(struct ecore_hwfn *p_hwfn,
5544                                        struct ecore_ptt *p_ptt,
5545                                        struct ecore_mcp_link_state *p_link,
5546                                        u8 max_bw)
5547 {
5548         int rc = ECORE_SUCCESS;
5549
5550         p_hwfn->mcp_info->func_info.bandwidth_max = max_bw;
5551
5552         if (!p_link->line_speed && (max_bw != 100))
5553                 return rc;
5554
5555         p_link->speed = (p_link->line_speed * max_bw) / 100;
5556         p_hwfn->qm_info.pf_rl = p_link->speed;
5557
5558         /* Since the limiter also affects Tx-switched traffic, we don't want it
5559          * to limit such traffic in case there's no actual limit.
5560          * In that case, set limit to imaginary high boundary.
5561          */
5562         if (max_bw == 100)
5563                 p_hwfn->qm_info.pf_rl = 100000;
5564
5565         rc = ecore_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id,
5566                               p_hwfn->qm_info.pf_rl);
5567
5568         DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
5569                    "Configured MAX bandwidth to be %08x Mb/sec\n",
5570                    p_link->speed);
5571
5572         return rc;
5573 }
5574
5575 /* Main API to configure PF max bandwidth where bw range is [1 - 100] */
5576 int ecore_configure_pf_max_bandwidth(struct ecore_dev *p_dev, u8 max_bw)
5577 {
5578         int i, rc = ECORE_INVAL;
5579
5580         if (max_bw < 1 || max_bw > 100) {
5581                 DP_NOTICE(p_dev, false, "PF max bw valid range is [1-100]\n");
5582                 return rc;
5583         }
5584
5585         for_each_hwfn(p_dev, i) {
5586                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
5587                 struct ecore_hwfn *p_lead = ECORE_LEADING_HWFN(p_dev);
5588                 struct ecore_mcp_link_state *p_link;
5589                 struct ecore_ptt *p_ptt;
5590
5591                 p_link = &p_lead->mcp_info->link_output;
5592
5593                 p_ptt = ecore_ptt_acquire(p_hwfn);
5594                 if (!p_ptt)
5595                         return ECORE_TIMEOUT;
5596
5597                 rc = __ecore_configure_pf_max_bandwidth(p_hwfn, p_ptt,
5598                                                         p_link, max_bw);
5599
5600                 ecore_ptt_release(p_hwfn, p_ptt);
5601
5602                 if (rc != ECORE_SUCCESS)
5603                         break;
5604         }
5605
5606         return rc;
5607 }
5608
5609 int __ecore_configure_pf_min_bandwidth(struct ecore_hwfn *p_hwfn,
5610                                        struct ecore_ptt *p_ptt,
5611                                        struct ecore_mcp_link_state *p_link,
5612                                        u8 min_bw)
5613 {
5614         int rc = ECORE_SUCCESS;
5615
5616         p_hwfn->mcp_info->func_info.bandwidth_min = min_bw;
5617         p_hwfn->qm_info.pf_wfq = min_bw;
5618
5619         if (!p_link->line_speed)
5620                 return rc;
5621
5622         p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100;
5623
5624         rc = ecore_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw);
5625
5626         DP_VERBOSE(p_hwfn, ECORE_MSG_LINK,
5627                    "Configured MIN bandwidth to be %d Mb/sec\n",
5628                    p_link->min_pf_rate);
5629
5630         return rc;
5631 }
5632
5633 /* Main API to configure PF min bandwidth where bw range is [1-100] */
5634 int ecore_configure_pf_min_bandwidth(struct ecore_dev *p_dev, u8 min_bw)
5635 {
5636         int i, rc = ECORE_INVAL;
5637
5638         if (min_bw < 1 || min_bw > 100) {
5639                 DP_NOTICE(p_dev, false, "PF min bw valid range is [1-100]\n");
5640                 return rc;
5641         }
5642
5643         for_each_hwfn(p_dev, i) {
5644                 struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
5645                 struct ecore_hwfn *p_lead = ECORE_LEADING_HWFN(p_dev);
5646                 struct ecore_mcp_link_state *p_link;
5647                 struct ecore_ptt *p_ptt;
5648
5649                 p_link = &p_lead->mcp_info->link_output;
5650
5651                 p_ptt = ecore_ptt_acquire(p_hwfn);
5652                 if (!p_ptt)
5653                         return ECORE_TIMEOUT;
5654
5655                 rc = __ecore_configure_pf_min_bandwidth(p_hwfn, p_ptt,
5656                                                         p_link, min_bw);
5657                 if (rc != ECORE_SUCCESS) {
5658                         ecore_ptt_release(p_hwfn, p_ptt);
5659                         return rc;
5660                 }
5661
5662                 if (p_link->min_pf_rate) {
5663                         u32 min_rate = p_link->min_pf_rate;
5664
5665                         rc = __ecore_configure_vp_wfq_on_link_change(p_hwfn,
5666                                                                      p_ptt,
5667                                                                      min_rate);
5668                 }
5669
5670                 ecore_ptt_release(p_hwfn, p_ptt);
5671         }
5672
5673         return rc;
5674 }
5675
5676 void ecore_clean_wfq_db(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
5677 {
5678         struct ecore_mcp_link_state *p_link;
5679
5680         p_link = &p_hwfn->mcp_info->link_output;
5681
5682         if (p_link->min_pf_rate)
5683                 ecore_disable_wfq_for_all_vports(p_hwfn, p_ptt);
5684
5685         OSAL_MEMSET(p_hwfn->qm_info.wfq_data, 0,
5686                     sizeof(*p_hwfn->qm_info.wfq_data) *
5687                     p_hwfn->qm_info.num_vports);
5688 }
5689
5690 int ecore_device_num_engines(struct ecore_dev *p_dev)
5691 {
5692         return ECORE_IS_BB(p_dev) ? 2 : 1;
5693 }
5694
5695 int ecore_device_num_ports(struct ecore_dev *p_dev)
5696 {
5697         return p_dev->num_ports;
5698 }
5699
5700 void ecore_set_fw_mac_addr(__le16 *fw_msb,
5701                           __le16 *fw_mid,
5702                           __le16 *fw_lsb,
5703                           u8 *mac)
5704 {
5705         ((u8 *)fw_msb)[0] = mac[1];
5706         ((u8 *)fw_msb)[1] = mac[0];
5707         ((u8 *)fw_mid)[0] = mac[3];
5708         ((u8 *)fw_mid)[1] = mac[2];
5709         ((u8 *)fw_lsb)[0] = mac[5];
5710         ((u8 *)fw_lsb)[1] = mac[4];
5711 }