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be2net: remove pci_func field from be_adapter struct
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / benet / be_cmds.c
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1/*
2 * Copyright (C) 2005 - 2009 ServerEngines
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
9 *
10 * Contact Information:
11 * linux-drivers@serverengines.com
12 *
13 * ServerEngines
14 * 209 N. Fair Oaks Ave
15 * Sunnyvale, CA 94085
16 */
17
18#include "be.h"
19#include "be_cmds.h"
20
21static void be_mcc_notify(struct be_adapter *adapter)
22{
23 struct be_queue_info *mccq = &adapter->mcc_obj.q;
24 u32 val = 0;
25
26 val |= mccq->id & DB_MCCQ_RING_ID_MASK;
27 val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
28 iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
29}
30
31/* To check if valid bit is set, check the entire word as we don't know
32 * the endianness of the data (old entry is host endian while a new entry is
33 * little endian) */
34static inline bool be_mcc_compl_is_new(struct be_mcc_cq_entry *compl)
35{
36 if (compl->flags != 0) {
37 compl->flags = le32_to_cpu(compl->flags);
38 BUG_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
39 return true;
40 } else {
41 return false;
42 }
43}
44
45/* Need to reset the entire word that houses the valid bit */
46static inline void be_mcc_compl_use(struct be_mcc_cq_entry *compl)
47{
48 compl->flags = 0;
49}
50
51static int be_mcc_compl_process(struct be_adapter *adapter,
52 struct be_mcc_cq_entry *compl)
53{
54 u16 compl_status, extd_status;
55
56 /* Just swap the status to host endian; mcc tag is opaquely copied
57 * from mcc_wrb */
58 be_dws_le_to_cpu(compl, 4);
59
60 compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
61 CQE_STATUS_COMPL_MASK;
62 if (compl_status != MCC_STATUS_SUCCESS) {
63 extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
64 CQE_STATUS_EXTD_MASK;
65 printk(KERN_WARNING DRV_NAME
66 " error in cmd completion: status(compl/extd)=%d/%d\n",
67 compl_status, extd_status);
68 return -1;
69 }
70 return 0;
71}
72
73/* Link state evt is a string of bytes; no need for endian swapping */
74static void be_async_link_state_process(struct be_adapter *adapter,
75 struct be_async_event_link_state *evt)
76{
77 be_link_status_update(adapter,
78 evt->port_link_status == ASYNC_EVENT_LINK_UP);
79}
80
81static inline bool is_link_state_evt(u32 trailer)
82{
83 return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
84 ASYNC_TRAILER_EVENT_CODE_MASK) ==
85 ASYNC_EVENT_CODE_LINK_STATE);
86}
87
88static struct be_mcc_cq_entry *be_mcc_compl_get(struct be_adapter *adapter)
89{
90 struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
91 struct be_mcc_cq_entry *compl = queue_tail_node(mcc_cq);
92
93 if (be_mcc_compl_is_new(compl)) {
94 queue_tail_inc(mcc_cq);
95 return compl;
96 }
97 return NULL;
98}
99
100void be_process_mcc(struct be_adapter *adapter)
101{
102 struct be_mcc_cq_entry *compl;
103 int num = 0;
104
105 spin_lock_bh(&adapter->mcc_cq_lock);
106 while ((compl = be_mcc_compl_get(adapter))) {
107 if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
108 /* Interpret flags as an async trailer */
109 BUG_ON(!is_link_state_evt(compl->flags));
110
111 /* Interpret compl as a async link evt */
112 be_async_link_state_process(adapter,
113 (struct be_async_event_link_state *) compl);
114 } else {
115 be_mcc_compl_process(adapter, compl);
116 atomic_dec(&adapter->mcc_obj.q.used);
117 }
118 be_mcc_compl_use(compl);
119 num++;
120 }
121 if (num)
122 be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, num);
123 spin_unlock_bh(&adapter->mcc_cq_lock);
124}
125
126/* Wait till no more pending mcc requests are present */
127static void be_mcc_wait_compl(struct be_adapter *adapter)
128{
129#define mcc_timeout 50000 /* 5s timeout */
130 int i;
131 for (i = 0; i < mcc_timeout; i++) {
132 be_process_mcc(adapter);
133 if (atomic_read(&adapter->mcc_obj.q.used) == 0)
134 break;
135 udelay(100);
136 }
137 if (i == mcc_timeout)
138 printk(KERN_WARNING DRV_NAME "mcc poll timed out\n");
139}
140
141/* Notify MCC requests and wait for completion */
142static void be_mcc_notify_wait(struct be_adapter *adapter)
143{
144 be_mcc_notify(adapter);
145 be_mcc_wait_compl(adapter);
146}
147
148static int be_mbox_db_ready_wait(void __iomem *db)
149{
150 int cnt = 0, wait = 5;
151 u32 ready;
152
153 do {
154 ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
155 if (ready)
156 break;
157
158 if (cnt > 200000) {
159 printk(KERN_WARNING DRV_NAME
160 ": mbox_db poll timed out\n");
161 return -1;
162 }
163
164 if (cnt > 50)
165 wait = 200;
166 cnt += wait;
167 udelay(wait);
168 } while (true);
169
170 return 0;
171}
172
173/*
174 * Insert the mailbox address into the doorbell in two steps
175 * Polls on the mbox doorbell till a command completion (or a timeout) occurs
176 */
177static int be_mbox_db_ring(struct be_adapter *adapter)
178{
179 int status;
180 u32 val = 0;
181 void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
182 struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
183 struct be_mcc_mailbox *mbox = mbox_mem->va;
184 struct be_mcc_cq_entry *cqe = &mbox->cqe;
185
186 memset(cqe, 0, sizeof(*cqe));
187
188 val &= ~MPU_MAILBOX_DB_RDY_MASK;
189 val |= MPU_MAILBOX_DB_HI_MASK;
190 /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
191 val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
192 iowrite32(val, db);
193
194 /* wait for ready to be set */
195 status = be_mbox_db_ready_wait(db);
196 if (status != 0)
197 return status;
198
199 val = 0;
200 val &= ~MPU_MAILBOX_DB_RDY_MASK;
201 val &= ~MPU_MAILBOX_DB_HI_MASK;
202 /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
203 val |= (u32)(mbox_mem->dma >> 4) << 2;
204 iowrite32(val, db);
205
206 status = be_mbox_db_ready_wait(db);
207 if (status != 0)
208 return status;
209
210 /* A cq entry has been made now */
211 if (be_mcc_compl_is_new(cqe)) {
212 status = be_mcc_compl_process(adapter, &mbox->cqe);
213 be_mcc_compl_use(cqe);
214 if (status)
215 return status;
216 } else {
217 printk(KERN_WARNING DRV_NAME "invalid mailbox completion\n");
218 return -1;
219 }
220 return 0;
221}
222
223static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage)
224{
225 u32 sem = ioread32(adapter->csr + MPU_EP_SEMAPHORE_OFFSET);
226
227 *stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
228 if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
229 return -1;
230 else
231 return 0;
232}
233
234static int be_POST_stage_poll(struct be_adapter *adapter, u16 poll_stage)
235{
236 u16 stage, cnt, error;
237 for (cnt = 0; cnt < 5000; cnt++) {
238 error = be_POST_stage_get(adapter, &stage);
239 if (error)
240 return -1;
241
242 if (stage == poll_stage)
243 break;
244 udelay(1000);
245 }
246 if (stage != poll_stage)
247 return -1;
248 return 0;
249}
250
251
252int be_cmd_POST(struct be_adapter *adapter)
253{
254 u16 stage, error;
255
256 error = be_POST_stage_get(adapter, &stage);
257 if (error)
258 goto err;
259
260 if (stage == POST_STAGE_ARMFW_RDY)
261 return 0;
262
263 if (stage != POST_STAGE_AWAITING_HOST_RDY)
264 goto err;
265
266 /* On awaiting host rdy, reset and again poll on awaiting host rdy */
267 iowrite32(POST_STAGE_BE_RESET, adapter->csr + MPU_EP_SEMAPHORE_OFFSET);
268 error = be_POST_stage_poll(adapter, POST_STAGE_AWAITING_HOST_RDY);
269 if (error)
270 goto err;
271
272 /* Now kickoff POST and poll on armfw ready */
273 iowrite32(POST_STAGE_HOST_RDY, adapter->csr + MPU_EP_SEMAPHORE_OFFSET);
274 error = be_POST_stage_poll(adapter, POST_STAGE_ARMFW_RDY);
275 if (error)
276 goto err;
277
278 return 0;
279err:
280 printk(KERN_WARNING DRV_NAME ": ERROR, stage=%d\n", stage);
281 return -1;
282}
283
284static inline void *embedded_payload(struct be_mcc_wrb *wrb)
285{
286 return wrb->payload.embedded_payload;
287}
288
289static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
290{
291 return &wrb->payload.sgl[0];
292}
293
294/* Don't touch the hdr after it's prepared */
295static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
296 bool embedded, u8 sge_cnt)
297{
298 if (embedded)
299 wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
300 else
301 wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
302 MCC_WRB_SGE_CNT_SHIFT;
303 wrb->payload_length = payload_len;
304 be_dws_cpu_to_le(wrb, 20);
305}
306
307/* Don't touch the hdr after it's prepared */
308static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
309 u8 subsystem, u8 opcode, int cmd_len)
310{
311 req_hdr->opcode = opcode;
312 req_hdr->subsystem = subsystem;
313 req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
314}
315
316static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
317 struct be_dma_mem *mem)
318{
319 int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
320 u64 dma = (u64)mem->dma;
321
322 for (i = 0; i < buf_pages; i++) {
323 pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
324 pages[i].hi = cpu_to_le32(upper_32_bits(dma));
325 dma += PAGE_SIZE_4K;
326 }
327}
328
329/* Converts interrupt delay in microseconds to multiplier value */
330static u32 eq_delay_to_mult(u32 usec_delay)
331{
332#define MAX_INTR_RATE 651042
333 const u32 round = 10;
334 u32 multiplier;
335
336 if (usec_delay == 0)
337 multiplier = 0;
338 else {
339 u32 interrupt_rate = 1000000 / usec_delay;
340 /* Max delay, corresponding to the lowest interrupt rate */
341 if (interrupt_rate == 0)
342 multiplier = 1023;
343 else {
344 multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
345 multiplier /= interrupt_rate;
346 /* Round the multiplier to the closest value.*/
347 multiplier = (multiplier + round/2) / round;
348 multiplier = min(multiplier, (u32)1023);
349 }
350 }
351 return multiplier;
352}
353
354static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
355{
356 return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
357}
358
359static inline struct be_mcc_wrb *wrb_from_mcc(struct be_queue_info *mccq)
360{
361 struct be_mcc_wrb *wrb = NULL;
362 if (atomic_read(&mccq->used) < mccq->len) {
363 wrb = queue_head_node(mccq);
364 queue_head_inc(mccq);
365 atomic_inc(&mccq->used);
366 memset(wrb, 0, sizeof(*wrb));
367 }
368 return wrb;
369}
370
371int be_cmd_eq_create(struct be_adapter *adapter,
372 struct be_queue_info *eq, int eq_delay)
373{
374 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
375 struct be_cmd_req_eq_create *req = embedded_payload(wrb);
376 struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
377 struct be_dma_mem *q_mem = &eq->dma_mem;
378 int status;
379
380 spin_lock(&adapter->mbox_lock);
381 memset(wrb, 0, sizeof(*wrb));
382
383 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
384
385 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
386 OPCODE_COMMON_EQ_CREATE, sizeof(*req));
387
388 req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
389
390 AMAP_SET_BITS(struct amap_eq_context, func, req->context,
391 be_pci_func(adapter));
392 AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
393 /* 4byte eqe*/
394 AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
395 AMAP_SET_BITS(struct amap_eq_context, count, req->context,
396 __ilog2_u32(eq->len/256));
397 AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
398 eq_delay_to_mult(eq_delay));
399 be_dws_cpu_to_le(req->context, sizeof(req->context));
400
401 be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
402
403 status = be_mbox_db_ring(adapter);
404 if (!status) {
405 eq->id = le16_to_cpu(resp->eq_id);
406 eq->created = true;
407 }
408 spin_unlock(&adapter->mbox_lock);
409 return status;
410}
411
412int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
413 u8 type, bool permanent, u32 if_handle)
414{
415 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
416 struct be_cmd_req_mac_query *req = embedded_payload(wrb);
417 struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
418 int status;
419
420 spin_lock(&adapter->mbox_lock);
421 memset(wrb, 0, sizeof(*wrb));
422
423 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
424
425 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
426 OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
427
428 req->type = type;
429 if (permanent) {
430 req->permanent = 1;
431 } else {
432 req->if_id = cpu_to_le16((u16)if_handle);
433 req->permanent = 0;
434 }
435
436 status = be_mbox_db_ring(adapter);
437 if (!status)
438 memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
439
440 spin_unlock(&adapter->mbox_lock);
441 return status;
442}
443
444int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
445 u32 if_id, u32 *pmac_id)
446{
447 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
448 struct be_cmd_req_pmac_add *req = embedded_payload(wrb);
449 int status;
450
451 spin_lock(&adapter->mbox_lock);
452 memset(wrb, 0, sizeof(*wrb));
453
454 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
455
456 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
457 OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
458
459 req->if_id = cpu_to_le32(if_id);
460 memcpy(req->mac_address, mac_addr, ETH_ALEN);
461
462 status = be_mbox_db_ring(adapter);
463 if (!status) {
464 struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
465 *pmac_id = le32_to_cpu(resp->pmac_id);
466 }
467
468 spin_unlock(&adapter->mbox_lock);
469 return status;
470}
471
472int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
473{
474 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
475 struct be_cmd_req_pmac_del *req = embedded_payload(wrb);
476 int status;
477
478 spin_lock(&adapter->mbox_lock);
479 memset(wrb, 0, sizeof(*wrb));
480
481 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
482
483 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
484 OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
485
486 req->if_id = cpu_to_le32(if_id);
487 req->pmac_id = cpu_to_le32(pmac_id);
488
489 status = be_mbox_db_ring(adapter);
490 spin_unlock(&adapter->mbox_lock);
491
492 return status;
493}
494
495int be_cmd_cq_create(struct be_adapter *adapter,
496 struct be_queue_info *cq, struct be_queue_info *eq,
497 bool sol_evts, bool no_delay, int coalesce_wm)
498{
499 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
500 struct be_cmd_req_cq_create *req = embedded_payload(wrb);
501 struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
502 struct be_dma_mem *q_mem = &cq->dma_mem;
503 void *ctxt = &req->context;
504 int status;
505
506 spin_lock(&adapter->mbox_lock);
507 memset(wrb, 0, sizeof(*wrb));
508
509 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
510
511 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
512 OPCODE_COMMON_CQ_CREATE, sizeof(*req));
513
514 req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
515
516 AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
517 AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
518 AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
519 __ilog2_u32(cq->len/256));
520 AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
521 AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
522 AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
523 AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
524 AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
525 AMAP_SET_BITS(struct amap_cq_context, func, ctxt, be_pci_func(adapter));
526 be_dws_cpu_to_le(ctxt, sizeof(req->context));
527
528 be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
529
530 status = be_mbox_db_ring(adapter);
531 if (!status) {
532 cq->id = le16_to_cpu(resp->cq_id);
533 cq->created = true;
534 }
535 spin_unlock(&adapter->mbox_lock);
536
537 return status;
538}
539
540static u32 be_encoded_q_len(int q_len)
541{
542 u32 len_encoded = fls(q_len); /* log2(len) + 1 */
543 if (len_encoded == 16)
544 len_encoded = 0;
545 return len_encoded;
546}
547
548int be_cmd_mccq_create(struct be_adapter *adapter,
549 struct be_queue_info *mccq,
550 struct be_queue_info *cq)
551{
552 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
553 struct be_cmd_req_mcc_create *req = embedded_payload(wrb);
554 struct be_dma_mem *q_mem = &mccq->dma_mem;
555 void *ctxt = &req->context;
556 int status;
557
558 spin_lock(&adapter->mbox_lock);
559 memset(wrb, 0, sizeof(*wrb));
560
561 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
562
563 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
564 OPCODE_COMMON_MCC_CREATE, sizeof(*req));
565
566 req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
567
568 AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, be_pci_func(adapter));
569 AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
570 AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
571 be_encoded_q_len(mccq->len));
572 AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
573
574 be_dws_cpu_to_le(ctxt, sizeof(req->context));
575
576 be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
577
578 status = be_mbox_db_ring(adapter);
579 if (!status) {
580 struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
581 mccq->id = le16_to_cpu(resp->id);
582 mccq->created = true;
583 }
584 spin_unlock(&adapter->mbox_lock);
585
586 return status;
587}
588
589int be_cmd_txq_create(struct be_adapter *adapter,
590 struct be_queue_info *txq,
591 struct be_queue_info *cq)
592{
593 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
594 struct be_cmd_req_eth_tx_create *req = embedded_payload(wrb);
595 struct be_dma_mem *q_mem = &txq->dma_mem;
596 void *ctxt = &req->context;
597 int status;
598 u32 len_encoded;
599
600 spin_lock(&adapter->mbox_lock);
601 memset(wrb, 0, sizeof(*wrb));
602
603 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
604
605 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
606 sizeof(*req));
607
608 req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
609 req->ulp_num = BE_ULP1_NUM;
610 req->type = BE_ETH_TX_RING_TYPE_STANDARD;
611
612 len_encoded = fls(txq->len); /* log2(len) + 1 */
613 if (len_encoded == 16)
614 len_encoded = 0;
615 AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, len_encoded);
616 AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
617 be_pci_func(adapter));
618 AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
619 AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
620
621 be_dws_cpu_to_le(ctxt, sizeof(req->context));
622
623 be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
624
625 status = be_mbox_db_ring(adapter);
626 if (!status) {
627 struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
628 txq->id = le16_to_cpu(resp->cid);
629 txq->created = true;
630 }
631 spin_unlock(&adapter->mbox_lock);
632
633 return status;
634}
635
636int be_cmd_rxq_create(struct be_adapter *adapter,
637 struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
638 u16 max_frame_size, u32 if_id, u32 rss)
639{
640 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
641 struct be_cmd_req_eth_rx_create *req = embedded_payload(wrb);
642 struct be_dma_mem *q_mem = &rxq->dma_mem;
643 int status;
644
645 spin_lock(&adapter->mbox_lock);
646 memset(wrb, 0, sizeof(*wrb));
647
648 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
649
650 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
651 sizeof(*req));
652
653 req->cq_id = cpu_to_le16(cq_id);
654 req->frag_size = fls(frag_size) - 1;
655 req->num_pages = 2;
656 be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
657 req->interface_id = cpu_to_le32(if_id);
658 req->max_frame_size = cpu_to_le16(max_frame_size);
659 req->rss_queue = cpu_to_le32(rss);
660
661 status = be_mbox_db_ring(adapter);
662 if (!status) {
663 struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
664 rxq->id = le16_to_cpu(resp->id);
665 rxq->created = true;
666 }
667 spin_unlock(&adapter->mbox_lock);
668
669 return status;
670}
671
672/* Generic destroyer function for all types of queues */
673int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
674 int queue_type)
675{
676 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
677 struct be_cmd_req_q_destroy *req = embedded_payload(wrb);
678 u8 subsys = 0, opcode = 0;
679 int status;
680
681 spin_lock(&adapter->mbox_lock);
682
683 memset(wrb, 0, sizeof(*wrb));
684 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
685
686 switch (queue_type) {
687 case QTYPE_EQ:
688 subsys = CMD_SUBSYSTEM_COMMON;
689 opcode = OPCODE_COMMON_EQ_DESTROY;
690 break;
691 case QTYPE_CQ:
692 subsys = CMD_SUBSYSTEM_COMMON;
693 opcode = OPCODE_COMMON_CQ_DESTROY;
694 break;
695 case QTYPE_TXQ:
696 subsys = CMD_SUBSYSTEM_ETH;
697 opcode = OPCODE_ETH_TX_DESTROY;
698 break;
699 case QTYPE_RXQ:
700 subsys = CMD_SUBSYSTEM_ETH;
701 opcode = OPCODE_ETH_RX_DESTROY;
702 break;
703 case QTYPE_MCCQ:
704 subsys = CMD_SUBSYSTEM_COMMON;
705 opcode = OPCODE_COMMON_MCC_DESTROY;
706 break;
707 default:
708 printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n");
709 status = -1;
710 goto err;
711 }
712 be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
713 req->id = cpu_to_le16(q->id);
714
715 status = be_mbox_db_ring(adapter);
716err:
717 spin_unlock(&adapter->mbox_lock);
718
719 return status;
720}
721
722/* Create an rx filtering policy configuration on an i/f */
723int be_cmd_if_create(struct be_adapter *adapter, u32 flags, u8 *mac,
724 bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
725{
726 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
727 struct be_cmd_req_if_create *req = embedded_payload(wrb);
728 int status;
729
730 spin_lock(&adapter->mbox_lock);
731 memset(wrb, 0, sizeof(*wrb));
732
733 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
734
735 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
736 OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
737
738 req->capability_flags = cpu_to_le32(flags);
739 req->enable_flags = cpu_to_le32(flags);
740 if (!pmac_invalid)
741 memcpy(req->mac_addr, mac, ETH_ALEN);
742
743 status = be_mbox_db_ring(adapter);
744 if (!status) {
745 struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
746 *if_handle = le32_to_cpu(resp->interface_id);
747 if (!pmac_invalid)
748 *pmac_id = le32_to_cpu(resp->pmac_id);
749 }
750
751 spin_unlock(&adapter->mbox_lock);
752 return status;
753}
754
755int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)
756{
757 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
758 struct be_cmd_req_if_destroy *req = embedded_payload(wrb);
759 int status;
760
761 spin_lock(&adapter->mbox_lock);
762 memset(wrb, 0, sizeof(*wrb));
763
764 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
765
766 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
767 OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
768
769 req->interface_id = cpu_to_le32(interface_id);
770 status = be_mbox_db_ring(adapter);
771
772 spin_unlock(&adapter->mbox_lock);
773
774 return status;
775}
776
777/* Get stats is a non embedded command: the request is not embedded inside
778 * WRB but is a separate dma memory block
779 */
780int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
781{
782 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
783 struct be_cmd_req_get_stats *req = nonemb_cmd->va;
784 struct be_sge *sge = nonembedded_sgl(wrb);
785 int status;
786
787 spin_lock(&adapter->mbox_lock);
788 memset(wrb, 0, sizeof(*wrb));
789
790 memset(req, 0, sizeof(*req));
791
792 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
793
794 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
795 OPCODE_ETH_GET_STATISTICS, sizeof(*req));
796 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
797 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
798 sge->len = cpu_to_le32(nonemb_cmd->size);
799
800 status = be_mbox_db_ring(adapter);
801 if (!status) {
802 struct be_cmd_resp_get_stats *resp = nonemb_cmd->va;
803 be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats));
804 }
805
806 spin_unlock(&adapter->mbox_lock);
807 return status;
808}
809
810int be_cmd_link_status_query(struct be_adapter *adapter,
811 bool *link_up)
812{
813 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
814 struct be_cmd_req_link_status *req = embedded_payload(wrb);
815 int status;
816
817 spin_lock(&adapter->mbox_lock);
818
819 *link_up = false;
820 memset(wrb, 0, sizeof(*wrb));
821
822 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
823
824 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
825 OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
826
827 status = be_mbox_db_ring(adapter);
828 if (!status) {
829 struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
830 if (resp->mac_speed != PHY_LINK_SPEED_ZERO)
831 *link_up = true;
832 }
833
834 spin_unlock(&adapter->mbox_lock);
835 return status;
836}
837
838int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)
839{
840 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
841 struct be_cmd_req_get_fw_version *req = embedded_payload(wrb);
842 int status;
843
844 spin_lock(&adapter->mbox_lock);
845 memset(wrb, 0, sizeof(*wrb));
846
847 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
848
849 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
850 OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
851
852 status = be_mbox_db_ring(adapter);
853 if (!status) {
854 struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
855 strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
856 }
857
858 spin_unlock(&adapter->mbox_lock);
859 return status;
860}
861
862/* set the EQ delay interval of an EQ to specified value */
863int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
864{
865 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
866 struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb);
867 int status;
868
869 spin_lock(&adapter->mbox_lock);
870 memset(wrb, 0, sizeof(*wrb));
871
872 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
873
874 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
875 OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
876
877 req->num_eq = cpu_to_le32(1);
878 req->delay[0].eq_id = cpu_to_le32(eq_id);
879 req->delay[0].phase = 0;
880 req->delay[0].delay_multiplier = cpu_to_le32(eqd);
881
882 status = be_mbox_db_ring(adapter);
883
884 spin_unlock(&adapter->mbox_lock);
885 return status;
886}
887
888int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
889 u32 num, bool untagged, bool promiscuous)
890{
891 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
892 struct be_cmd_req_vlan_config *req = embedded_payload(wrb);
893 int status;
894
895 spin_lock(&adapter->mbox_lock);
896 memset(wrb, 0, sizeof(*wrb));
897
898 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
899
900 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
901 OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
902
903 req->interface_id = if_id;
904 req->promiscuous = promiscuous;
905 req->untagged = untagged;
906 req->num_vlan = num;
907 if (!promiscuous) {
908 memcpy(req->normal_vlan, vtag_array,
909 req->num_vlan * sizeof(vtag_array[0]));
910 }
911
912 status = be_mbox_db_ring(adapter);
913
914 spin_unlock(&adapter->mbox_lock);
915 return status;
916}
917
918/* Use MCC for this command as it may be called in BH context */
919int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
920{
921 struct be_mcc_wrb *wrb;
922 struct be_cmd_req_promiscuous_config *req;
923
924 spin_lock_bh(&adapter->mcc_lock);
925
926 wrb = wrb_from_mcc(&adapter->mcc_obj.q);
927 BUG_ON(!wrb);
928
929 req = embedded_payload(wrb);
930
931 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
932
933 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
934 OPCODE_ETH_PROMISCUOUS, sizeof(*req));
935
936 if (port_num)
937 req->port1_promiscuous = en;
938 else
939 req->port0_promiscuous = en;
940
941 be_mcc_notify_wait(adapter);
942
943 spin_unlock_bh(&adapter->mcc_lock);
944 return 0;
945}
946
947/*
948 * Use MCC for this command as it may be called in BH context
949 * (mc == NULL) => multicast promiscous
950 */
951int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
952 struct dev_mc_list *mc_list, u32 mc_count)
953{
954#define BE_MAX_MC 32 /* set mcast promisc if > 32 */
955 struct be_mcc_wrb *wrb;
956 struct be_cmd_req_mcast_mac_config *req;
957
958 spin_lock_bh(&adapter->mcc_lock);
959
960 wrb = wrb_from_mcc(&adapter->mcc_obj.q);
961 BUG_ON(!wrb);
962
963 req = embedded_payload(wrb);
964
965 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
966
967 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
968 OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
969
970 req->interface_id = if_id;
971 if (mc_list && mc_count <= BE_MAX_MC) {
972 int i;
973 struct dev_mc_list *mc;
974
975 req->num_mac = cpu_to_le16(mc_count);
976
977 for (mc = mc_list, i = 0; mc; mc = mc->next, i++)
978 memcpy(req->mac[i].byte, mc->dmi_addr, ETH_ALEN);
979 } else {
980 req->promiscuous = 1;
981 }
982
983 be_mcc_notify_wait(adapter);
984
985 spin_unlock_bh(&adapter->mcc_lock);
986
987 return 0;
988}
989
990int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
991{
992 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
993 struct be_cmd_req_set_flow_control *req = embedded_payload(wrb);
994 int status;
995
996 spin_lock(&adapter->mbox_lock);
997
998 memset(wrb, 0, sizeof(*wrb));
999
1000 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
1001
1002 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1003 OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
1004
1005 req->tx_flow_control = cpu_to_le16((u16)tx_fc);
1006 req->rx_flow_control = cpu_to_le16((u16)rx_fc);
1007
1008 status = be_mbox_db_ring(adapter);
1009
1010 spin_unlock(&adapter->mbox_lock);
1011 return status;
1012}
1013
1014int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
1015{
1016 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
1017 struct be_cmd_req_get_flow_control *req = embedded_payload(wrb);
1018 int status;
1019
1020 spin_lock(&adapter->mbox_lock);
1021
1022 memset(wrb, 0, sizeof(*wrb));
1023
1024 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
1025
1026 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1027 OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
1028
1029 status = be_mbox_db_ring(adapter);
1030 if (!status) {
1031 struct be_cmd_resp_get_flow_control *resp =
1032 embedded_payload(wrb);
1033 *tx_fc = le16_to_cpu(resp->tx_flow_control);
1034 *rx_fc = le16_to_cpu(resp->rx_flow_control);
1035 }
1036
1037 spin_unlock(&adapter->mbox_lock);
1038 return status;
1039}
1040
1041int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num)
1042{
1043 struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
1044 struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb);
1045 int status;
1046
1047 spin_lock(&adapter->mbox_lock);
1048
1049 memset(wrb, 0, sizeof(*wrb));
1050
1051 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
1052
1053 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1054 OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
1055
1056 status = be_mbox_db_ring(adapter);
1057 if (!status) {
1058 struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
1059 *port_num = le32_to_cpu(resp->phys_port);
1060 }
1061
1062 spin_unlock(&adapter->mbox_lock);
1063 return status;
1064}
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