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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[net-next-2.6.git] / drivers / net / qlcnic / qlcnic_ctx.c
1 /*
2  * Copyright (C) 2009 - QLogic Corporation.
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
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18  * MA  02111-1307, USA.
19  *
20  * The full GNU General Public License is included in this distribution
21  * in the file called "COPYING".
22  *
23  */
24
25 #include "qlcnic.h"
26
27 static u32
28 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
29 {
30         u32 rsp;
31         int timeout = 0;
32
33         do {
34                 /* give atleast 1ms for firmware to respond */
35                 msleep(1);
36
37                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
38                         return QLCNIC_CDRP_RSP_TIMEOUT;
39
40                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
41         } while (!QLCNIC_CDRP_IS_RSP(rsp));
42
43         return rsp;
44 }
45
46 u32
47 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
48         u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
49 {
50         u32 rsp;
51         u32 signature;
52         u32 rcode = QLCNIC_RCODE_SUCCESS;
53         struct pci_dev *pdev = adapter->pdev;
54
55         signature = QLCNIC_CDRP_SIGNATURE_MAKE(pci_fn, version);
56
57         /* Acquire semaphore before accessing CRB */
58         if (qlcnic_api_lock(adapter))
59                 return QLCNIC_RCODE_TIMEOUT;
60
61         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
62         QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, arg1);
63         QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, arg2);
64         QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, arg3);
65         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, QLCNIC_CDRP_FORM_CMD(cmd));
66
67         rsp = qlcnic_poll_rsp(adapter);
68
69         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
70                 dev_err(&pdev->dev, "card response timeout.\n");
71                 rcode = QLCNIC_RCODE_TIMEOUT;
72         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
73                 rcode = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
74                 dev_err(&pdev->dev, "failed card response code:0x%x\n",
75                                 rcode);
76         }
77
78         /* Release semaphore */
79         qlcnic_api_unlock(adapter);
80
81         return rcode;
82 }
83
84 int
85 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
86 {
87         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
88
89         if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
90                 if (qlcnic_issue_cmd(adapter,
91                         adapter->ahw.pci_func,
92                         adapter->fw_hal_version,
93                         recv_ctx->context_id,
94                         mtu,
95                         0,
96                         QLCNIC_CDRP_CMD_SET_MTU)) {
97
98                         dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
99                         return -EIO;
100                 }
101         }
102
103         return 0;
104 }
105
106 static int
107 qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
108 {
109         void *addr;
110         struct qlcnic_hostrq_rx_ctx *prq;
111         struct qlcnic_cardrsp_rx_ctx *prsp;
112         struct qlcnic_hostrq_rds_ring *prq_rds;
113         struct qlcnic_hostrq_sds_ring *prq_sds;
114         struct qlcnic_cardrsp_rds_ring *prsp_rds;
115         struct qlcnic_cardrsp_sds_ring *prsp_sds;
116         struct qlcnic_host_rds_ring *rds_ring;
117         struct qlcnic_host_sds_ring *sds_ring;
118
119         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
120         u64 phys_addr;
121
122         int i, nrds_rings, nsds_rings;
123         size_t rq_size, rsp_size;
124         u32 cap, reg, val, reg2;
125         int err;
126
127         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
128
129         nrds_rings = adapter->max_rds_rings;
130         nsds_rings = adapter->max_sds_rings;
131
132         rq_size =
133                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
134                                                 nsds_rings);
135         rsp_size =
136                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
137                                                 nsds_rings);
138
139         addr = pci_alloc_consistent(adapter->pdev,
140                                 rq_size, &hostrq_phys_addr);
141         if (addr == NULL)
142                 return -ENOMEM;
143         prq = (struct qlcnic_hostrq_rx_ctx *)addr;
144
145         addr = pci_alloc_consistent(adapter->pdev,
146                         rsp_size, &cardrsp_phys_addr);
147         if (addr == NULL) {
148                 err = -ENOMEM;
149                 goto out_free_rq;
150         }
151         prsp = (struct qlcnic_cardrsp_rx_ctx *)addr;
152
153         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
154
155         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN);
156         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
157
158         prq->capabilities[0] = cpu_to_le32(cap);
159         prq->host_int_crb_mode =
160                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
161         prq->host_rds_crb_mode =
162                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
163
164         prq->num_rds_rings = cpu_to_le16(nrds_rings);
165         prq->num_sds_rings = cpu_to_le16(nsds_rings);
166         prq->rds_ring_offset = cpu_to_le32(0);
167
168         val = le32_to_cpu(prq->rds_ring_offset) +
169                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
170         prq->sds_ring_offset = cpu_to_le32(val);
171
172         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
173                         le32_to_cpu(prq->rds_ring_offset));
174
175         for (i = 0; i < nrds_rings; i++) {
176
177                 rds_ring = &recv_ctx->rds_rings[i];
178
179                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
180                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
181                 prq_rds[i].ring_kind = cpu_to_le32(i);
182                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
183         }
184
185         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
186                         le32_to_cpu(prq->sds_ring_offset));
187
188         for (i = 0; i < nsds_rings; i++) {
189
190                 sds_ring = &recv_ctx->sds_rings[i];
191
192                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
193                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
194                 prq_sds[i].msi_index = cpu_to_le16(i);
195         }
196
197         phys_addr = hostrq_phys_addr;
198         err = qlcnic_issue_cmd(adapter,
199                         adapter->ahw.pci_func,
200                         adapter->fw_hal_version,
201                         (u32)(phys_addr >> 32),
202                         (u32)(phys_addr & 0xffffffff),
203                         rq_size,
204                         QLCNIC_CDRP_CMD_CREATE_RX_CTX);
205         if (err) {
206                 dev_err(&adapter->pdev->dev,
207                         "Failed to create rx ctx in firmware%d\n", err);
208                 goto out_free_rsp;
209         }
210
211
212         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
213                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
214
215         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
216                 rds_ring = &recv_ctx->rds_rings[i];
217
218                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
219                 if (adapter->fw_hal_version == QLCNIC_FW_BASE)
220                         rds_ring->crb_rcv_producer = qlcnic_get_ioaddr(adapter,
221                                 QLCNIC_REG(reg - 0x200));
222                 else
223                         rds_ring->crb_rcv_producer = adapter->ahw.pci_base0 +
224                                 reg;
225         }
226
227         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
228                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
229
230         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
231                 sds_ring = &recv_ctx->sds_rings[i];
232
233                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
234                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
235
236                 if (adapter->fw_hal_version == QLCNIC_FW_BASE) {
237                         sds_ring->crb_sts_consumer = qlcnic_get_ioaddr(adapter,
238                                 QLCNIC_REG(reg - 0x200));
239                         sds_ring->crb_intr_mask = qlcnic_get_ioaddr(adapter,
240                                 QLCNIC_REG(reg2 - 0x200));
241                 } else {
242                         sds_ring->crb_sts_consumer = adapter->ahw.pci_base0 +
243                                 reg;
244                         sds_ring->crb_intr_mask = adapter->ahw.pci_base0 + reg2;
245                 }
246         }
247
248         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
249         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
250         recv_ctx->virt_port = prsp->virt_port;
251
252 out_free_rsp:
253         pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
254 out_free_rq:
255         pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
256         return err;
257 }
258
259 static void
260 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
261 {
262         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
263
264         if (qlcnic_issue_cmd(adapter,
265                         adapter->ahw.pci_func,
266                         adapter->fw_hal_version,
267                         recv_ctx->context_id,
268                         QLCNIC_DESTROY_CTX_RESET,
269                         0,
270                         QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
271
272                 dev_err(&adapter->pdev->dev,
273                         "Failed to destroy rx ctx in firmware\n");
274         }
275 }
276
277 static int
278 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
279 {
280         struct qlcnic_hostrq_tx_ctx     *prq;
281         struct qlcnic_hostrq_cds_ring   *prq_cds;
282         struct qlcnic_cardrsp_tx_ctx    *prsp;
283         void    *rq_addr, *rsp_addr;
284         size_t  rq_size, rsp_size;
285         u32     temp;
286         int     err;
287         u64     phys_addr;
288         dma_addr_t      rq_phys_addr, rsp_phys_addr;
289         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
290
291         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
292         rq_addr = pci_alloc_consistent(adapter->pdev,
293                 rq_size, &rq_phys_addr);
294         if (!rq_addr)
295                 return -ENOMEM;
296
297         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
298         rsp_addr = pci_alloc_consistent(adapter->pdev,
299                 rsp_size, &rsp_phys_addr);
300         if (!rsp_addr) {
301                 err = -ENOMEM;
302                 goto out_free_rq;
303         }
304
305         memset(rq_addr, 0, rq_size);
306         prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
307
308         memset(rsp_addr, 0, rsp_size);
309         prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
310
311         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
312
313         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
314                                         QLCNIC_CAP0_LSO);
315         prq->capabilities[0] = cpu_to_le32(temp);
316
317         prq->host_int_crb_mode =
318                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
319
320         prq->interrupt_ctl = 0;
321         prq->msi_index = 0;
322         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
323
324         prq_cds = &prq->cds_ring;
325
326         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
327         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
328
329         phys_addr = rq_phys_addr;
330         err = qlcnic_issue_cmd(adapter,
331                         adapter->ahw.pci_func,
332                         adapter->fw_hal_version,
333                         (u32)(phys_addr >> 32),
334                         ((u32)phys_addr & 0xffffffff),
335                         rq_size,
336                         QLCNIC_CDRP_CMD_CREATE_TX_CTX);
337
338         if (err == QLCNIC_RCODE_SUCCESS) {
339                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
340                 if (adapter->fw_hal_version == QLCNIC_FW_BASE)
341                         tx_ring->crb_cmd_producer = qlcnic_get_ioaddr(adapter,
342                                 QLCNIC_REG(temp - 0x200));
343                 else
344                         tx_ring->crb_cmd_producer = adapter->ahw.pci_base0 +
345                                 temp;
346
347                 adapter->tx_context_id =
348                         le16_to_cpu(prsp->context_id);
349         } else {
350                 dev_err(&adapter->pdev->dev,
351                         "Failed to create tx ctx in firmware%d\n", err);
352                 err = -EIO;
353         }
354
355         pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
356
357 out_free_rq:
358         pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
359
360         return err;
361 }
362
363 static void
364 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
365 {
366         if (qlcnic_issue_cmd(adapter,
367                         adapter->ahw.pci_func,
368                         adapter->fw_hal_version,
369                         adapter->tx_context_id,
370                         QLCNIC_DESTROY_CTX_RESET,
371                         0,
372                         QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
373
374                 dev_err(&adapter->pdev->dev,
375                         "Failed to destroy tx ctx in firmware\n");
376         }
377 }
378
379 int
380 qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val)
381 {
382
383         if (qlcnic_issue_cmd(adapter,
384                         adapter->ahw.pci_func,
385                         adapter->fw_hal_version,
386                         reg,
387                         0,
388                         0,
389                         QLCNIC_CDRP_CMD_READ_PHY)) {
390
391                 return -EIO;
392         }
393
394         return QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
395 }
396
397 int
398 qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val)
399 {
400         return qlcnic_issue_cmd(adapter,
401                         adapter->ahw.pci_func,
402                         adapter->fw_hal_version,
403                         reg,
404                         val,
405                         0,
406                         QLCNIC_CDRP_CMD_WRITE_PHY);
407 }
408
409 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
410 {
411         void *addr;
412         int err;
413         int ring;
414         struct qlcnic_recv_context *recv_ctx;
415         struct qlcnic_host_rds_ring *rds_ring;
416         struct qlcnic_host_sds_ring *sds_ring;
417         struct qlcnic_host_tx_ring *tx_ring;
418
419         struct pci_dev *pdev = adapter->pdev;
420
421         recv_ctx = &adapter->recv_ctx;
422         tx_ring = adapter->tx_ring;
423
424         tx_ring->hw_consumer = (__le32 *)pci_alloc_consistent(pdev, sizeof(u32),
425                                                 &tx_ring->hw_cons_phys_addr);
426         if (tx_ring->hw_consumer == NULL) {
427                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
428                 return -ENOMEM;
429         }
430         *(tx_ring->hw_consumer) = 0;
431
432         /* cmd desc ring */
433         addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
434                         &tx_ring->phys_addr);
435
436         if (addr == NULL) {
437                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
438                 err = -ENOMEM;
439                 goto err_out_free;
440         }
441
442         tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
443
444         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
445                 rds_ring = &recv_ctx->rds_rings[ring];
446                 addr = pci_alloc_consistent(adapter->pdev,
447                                 RCV_DESC_RINGSIZE(rds_ring),
448                                 &rds_ring->phys_addr);
449                 if (addr == NULL) {
450                         dev_err(&pdev->dev,
451                                 "failed to allocate rds ring [%d]\n", ring);
452                         err = -ENOMEM;
453                         goto err_out_free;
454                 }
455                 rds_ring->desc_head = (struct rcv_desc *)addr;
456
457         }
458
459         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
460                 sds_ring = &recv_ctx->sds_rings[ring];
461
462                 addr = pci_alloc_consistent(adapter->pdev,
463                                 STATUS_DESC_RINGSIZE(sds_ring),
464                                 &sds_ring->phys_addr);
465                 if (addr == NULL) {
466                         dev_err(&pdev->dev,
467                                 "failed to allocate sds ring [%d]\n", ring);
468                         err = -ENOMEM;
469                         goto err_out_free;
470                 }
471                 sds_ring->desc_head = (struct status_desc *)addr;
472         }
473
474
475         err = qlcnic_fw_cmd_create_rx_ctx(adapter);
476         if (err)
477                 goto err_out_free;
478         err = qlcnic_fw_cmd_create_tx_ctx(adapter);
479         if (err)
480                 goto err_out_free;
481
482         set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
483         return 0;
484
485 err_out_free:
486         qlcnic_free_hw_resources(adapter);
487         return err;
488 }
489
490 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
491 {
492         struct qlcnic_recv_context *recv_ctx;
493         struct qlcnic_host_rds_ring *rds_ring;
494         struct qlcnic_host_sds_ring *sds_ring;
495         struct qlcnic_host_tx_ring *tx_ring;
496         int ring;
497
498
499         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
500                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
501                 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
502
503                 /* Allow dma queues to drain after context reset */
504                 msleep(20);
505         }
506
507         recv_ctx = &adapter->recv_ctx;
508
509         tx_ring = adapter->tx_ring;
510         if (tx_ring->hw_consumer != NULL) {
511                 pci_free_consistent(adapter->pdev,
512                                 sizeof(u32),
513                                 tx_ring->hw_consumer,
514                                 tx_ring->hw_cons_phys_addr);
515                 tx_ring->hw_consumer = NULL;
516         }
517
518         if (tx_ring->desc_head != NULL) {
519                 pci_free_consistent(adapter->pdev,
520                                 TX_DESC_RINGSIZE(tx_ring),
521                                 tx_ring->desc_head, tx_ring->phys_addr);
522                 tx_ring->desc_head = NULL;
523         }
524
525         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
526                 rds_ring = &recv_ctx->rds_rings[ring];
527
528                 if (rds_ring->desc_head != NULL) {
529                         pci_free_consistent(adapter->pdev,
530                                         RCV_DESC_RINGSIZE(rds_ring),
531                                         rds_ring->desc_head,
532                                         rds_ring->phys_addr);
533                         rds_ring->desc_head = NULL;
534                 }
535         }
536
537         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
538                 sds_ring = &recv_ctx->sds_rings[ring];
539
540                 if (sds_ring->desc_head != NULL) {
541                         pci_free_consistent(adapter->pdev,
542                                 STATUS_DESC_RINGSIZE(sds_ring),
543                                 sds_ring->desc_head,
544                                 sds_ring->phys_addr);
545                         sds_ring->desc_head = NULL;
546                 }
547         }
548 }
549
550 /* Set MAC address of a NIC partition */
551 int qlcnic_set_mac_address(struct qlcnic_adapter *adapter, u8* mac)
552 {
553         int err = 0;
554         u32 arg1, arg2, arg3;
555
556         arg1 = adapter->ahw.pci_func | BIT_9;
557         arg2 = mac[0] | (mac[1] << 8) | (mac[2] << 16) | (mac[3] << 24);
558         arg3 = mac[4] | (mac[5] << 16);
559
560         err = qlcnic_issue_cmd(adapter,
561                         adapter->ahw.pci_func,
562                         adapter->fw_hal_version,
563                         arg1,
564                         arg2,
565                         arg3,
566                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
567
568         if (err != QLCNIC_RCODE_SUCCESS) {
569                 dev_err(&adapter->pdev->dev,
570                         "Failed to set mac address%d\n", err);
571                 err = -EIO;
572         }
573
574         return err;
575 }
576
577 /* Get MAC address of a NIC partition */
578 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
579 {
580         int err;
581         u32 arg1;
582
583         arg1 = adapter->ahw.pci_func | BIT_8;
584         err = qlcnic_issue_cmd(adapter,
585                         adapter->ahw.pci_func,
586                         adapter->fw_hal_version,
587                         arg1,
588                         0,
589                         0,
590                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
591
592         if (err == QLCNIC_RCODE_SUCCESS) {
593                 qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
594                                 QLCNIC_ARG2_CRB_OFFSET, 0, mac);
595                 dev_info(&adapter->pdev->dev, "MAC address: %pM\n", mac);
596         } else {
597                 dev_err(&adapter->pdev->dev,
598                         "Failed to get mac address%d\n", err);
599                 err = -EIO;
600         }
601
602         return err;
603 }
604
605 /* Get info of a NIC partition */
606 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, u8 func_id)
607 {
608         int     err;
609         dma_addr_t nic_dma_t;
610         struct qlcnic_info *nic_info;
611         void *nic_info_addr;
612         size_t  nic_size = sizeof(struct qlcnic_info);
613
614         nic_info_addr = pci_alloc_consistent(adapter->pdev,
615                 nic_size, &nic_dma_t);
616         if (!nic_info_addr)
617                 return -ENOMEM;
618         memset(nic_info_addr, 0, nic_size);
619
620         nic_info = (struct qlcnic_info *) nic_info_addr;
621         err = qlcnic_issue_cmd(adapter,
622                         adapter->ahw.pci_func,
623                         adapter->fw_hal_version,
624                         MSD(nic_dma_t),
625                         LSD(nic_dma_t),
626                         (func_id << 16 | nic_size),
627                         QLCNIC_CDRP_CMD_GET_NIC_INFO);
628
629         if (err == QLCNIC_RCODE_SUCCESS) {
630                 adapter->physical_port = le16_to_cpu(nic_info->phys_port);
631                 adapter->switch_mode = le16_to_cpu(nic_info->switch_mode);
632                 adapter->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
633                 adapter->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
634                 adapter->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
635                 adapter->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
636                 adapter->max_mtu = le16_to_cpu(nic_info->max_mtu);
637                 adapter->capabilities = le32_to_cpu(nic_info->capabilities);
638                 adapter->max_mac_filters = nic_info->max_mac_filters;
639
640                 dev_info(&adapter->pdev->dev,
641                         "phy port: %d switch_mode: %d,\n"
642                         "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
643                         "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
644                         adapter->physical_port, adapter->switch_mode,
645                         adapter->max_tx_ques, adapter->max_rx_ques,
646                         adapter->min_tx_bw, adapter->max_tx_bw,
647                         adapter->max_mtu, adapter->capabilities);
648         } else {
649                 dev_err(&adapter->pdev->dev,
650                         "Failed to get nic info%d\n", err);
651                 err = -EIO;
652         }
653
654         pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
655         return err;
656 }
657
658 /* Configure a NIC partition */
659 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
660 {
661         int err = -EIO;
662         u32 func_state;
663         dma_addr_t nic_dma_t;
664         void *nic_info_addr;
665         struct qlcnic_info *nic_info;
666         size_t nic_size = sizeof(struct qlcnic_info);
667
668         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
669                 return err;
670
671         if (qlcnic_api_lock(adapter))
672                 return err;
673
674         func_state = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
675         if (QLC_DEV_CHECK_ACTIVE(func_state, nic->pci_func)) {
676                 qlcnic_api_unlock(adapter);
677                 return err;
678         }
679
680         qlcnic_api_unlock(adapter);
681
682         nic_info_addr = pci_alloc_consistent(adapter->pdev, nic_size,
683                         &nic_dma_t);
684         if (!nic_info_addr)
685                 return -ENOMEM;
686
687         memset(nic_info_addr, 0, nic_size);
688         nic_info = (struct qlcnic_info *)nic_info_addr;
689
690         nic_info->pci_func = cpu_to_le16(nic->pci_func);
691         nic_info->op_mode = cpu_to_le16(nic->op_mode);
692         nic_info->phys_port = cpu_to_le16(nic->phys_port);
693         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
694         nic_info->capabilities = cpu_to_le32(nic->capabilities);
695         nic_info->max_mac_filters = nic->max_mac_filters;
696         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
697         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
698         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
699         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
700
701         err = qlcnic_issue_cmd(adapter,
702                         adapter->ahw.pci_func,
703                         adapter->fw_hal_version,
704                         MSD(nic_dma_t),
705                         LSD(nic_dma_t),
706                         nic_size,
707                         QLCNIC_CDRP_CMD_SET_NIC_INFO);
708
709         if (err != QLCNIC_RCODE_SUCCESS) {
710                 dev_err(&adapter->pdev->dev,
711                         "Failed to set nic info%d\n", err);
712                 err = -EIO;
713         }
714
715         pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
716         return err;
717 }
718
719 /* Get PCI Info of a partition */
720 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter)
721 {
722         int err = 0, i;
723         dma_addr_t pci_info_dma_t;
724         struct qlcnic_pci_info *npar;
725         void *pci_info_addr;
726         size_t npar_size = sizeof(struct qlcnic_pci_info);
727         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
728
729         pci_info_addr = pci_alloc_consistent(adapter->pdev, pci_size,
730                         &pci_info_dma_t);
731         if (!pci_info_addr)
732                 return -ENOMEM;
733         memset(pci_info_addr, 0, pci_size);
734
735         if (!adapter->npars)
736                 adapter->npars = kzalloc(pci_size, GFP_KERNEL);
737         if (!adapter->npars) {
738                 err = -ENOMEM;
739                 goto err_npar;
740         }
741
742         if (!adapter->eswitch)
743                 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
744                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
745         if (!adapter->eswitch) {
746                 err = -ENOMEM;
747                 goto err_eswitch;
748         }
749
750         npar = (struct qlcnic_pci_info *) pci_info_addr;
751         err = qlcnic_issue_cmd(adapter,
752                         adapter->ahw.pci_func,
753                         adapter->fw_hal_version,
754                         MSD(pci_info_dma_t),
755                         LSD(pci_info_dma_t),
756                         pci_size,
757                         QLCNIC_CDRP_CMD_GET_PCI_INFO);
758
759         if (err == QLCNIC_RCODE_SUCCESS) {
760                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++) {
761                         adapter->npars[i].id = le32_to_cpu(npar->id);
762                         adapter->npars[i].active = le32_to_cpu(npar->active);
763                         adapter->npars[i].type = le32_to_cpu(npar->type);
764                         adapter->npars[i].default_port =
765                                 le32_to_cpu(npar->default_port);
766                         adapter->npars[i].tx_min_bw =
767                                 le32_to_cpu(npar->tx_min_bw);
768                         adapter->npars[i].tx_max_bw =
769                                 le32_to_cpu(npar->tx_max_bw);
770                         memcpy(adapter->npars[i].mac, npar->mac, ETH_ALEN);
771                 }
772         } else {
773                 dev_err(&adapter->pdev->dev,
774                         "Failed to get PCI Info%d\n", err);
775                 kfree(adapter->npars);
776                 err = -EIO;
777         }
778         goto err_npar;
779
780 err_eswitch:
781         kfree(adapter->npars);
782         adapter->npars = NULL;
783
784 err_npar:
785         pci_free_consistent(adapter->pdev, pci_size, pci_info_addr,
786                 pci_info_dma_t);
787         return err;
788 }
789
790 /* Reset a NIC partition */
791
792 int qlcnic_reset_partition(struct qlcnic_adapter *adapter, u8 func_no)
793 {
794         int err = -EIO;
795
796         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
797                 return err;
798
799         err = qlcnic_issue_cmd(adapter,
800                         adapter->ahw.pci_func,
801                         adapter->fw_hal_version,
802                         func_no,
803                         0,
804                         0,
805                         QLCNIC_CDRP_CMD_RESET_NPAR);
806
807         if (err != QLCNIC_RCODE_SUCCESS) {
808                 dev_err(&adapter->pdev->dev,
809                         "Failed to issue reset partition%d\n", err);
810                 err = -EIO;
811         }
812
813         return err;
814 }
815
816 /* Get eSwitch Capabilities */
817 int qlcnic_get_eswitch_capabilities(struct qlcnic_adapter *adapter, u8 port,
818                                         struct qlcnic_eswitch *eswitch)
819 {
820         int err = -EIO;
821         u32 arg1, arg2;
822
823         if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
824                 return err;
825
826         err = qlcnic_issue_cmd(adapter,
827                         adapter->ahw.pci_func,
828                         adapter->fw_hal_version,
829                         port,
830                         0,
831                         0,
832                         QLCNIC_CDRP_CMD_GET_ESWITCH_CAPABILITY);
833
834         if (err == QLCNIC_RCODE_SUCCESS) {
835                 arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
836                 arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
837
838                 eswitch->port = arg1 & 0xf;
839                 eswitch->active_vports = LSB(arg2);
840                 eswitch->max_ucast_filters = MSB(arg2);
841                 eswitch->max_active_vlans = LSB(MSW(arg2));
842                 if (arg1 & BIT_6)
843                         eswitch->flags |= QLCNIC_SWITCH_VLAN_FILTERING;
844                 if (arg1 & BIT_7)
845                         eswitch->flags |= QLCNIC_SWITCH_PROMISC_MODE;
846                 if (arg1 & BIT_8)
847                         eswitch->flags |= QLCNIC_SWITCH_PORT_MIRRORING;
848         } else {
849                 dev_err(&adapter->pdev->dev,
850                         "Failed to get eswitch capabilities%d\n", err);
851         }
852
853         return err;
854 }
855
856 /* Get current status of eswitch */
857 int qlcnic_get_eswitch_status(struct qlcnic_adapter *adapter, u8 port,
858                                 struct qlcnic_eswitch *eswitch)
859 {
860         int err = -EIO;
861         u32 arg1, arg2;
862
863         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
864                 return err;
865
866         err = qlcnic_issue_cmd(adapter,
867                         adapter->ahw.pci_func,
868                         adapter->fw_hal_version,
869                         port,
870                         0,
871                         0,
872                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS);
873
874         if (err == QLCNIC_RCODE_SUCCESS) {
875                 arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
876                 arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
877
878                 eswitch->port = arg1 & 0xf;
879                 eswitch->active_vports = LSB(arg2);
880                 eswitch->active_ucast_filters = MSB(arg2);
881                 eswitch->active_vlans = LSB(MSW(arg2));
882                 if (arg1 & BIT_6)
883                         eswitch->flags |= QLCNIC_SWITCH_VLAN_FILTERING;
884                 if (arg1 & BIT_8)
885                         eswitch->flags |= QLCNIC_SWITCH_PORT_MIRRORING;
886
887         } else {
888                 dev_err(&adapter->pdev->dev,
889                         "Failed to get eswitch status%d\n", err);
890         }
891
892         return err;
893 }
894
895 /* Enable/Disable eSwitch */
896 int qlcnic_toggle_eswitch(struct qlcnic_adapter *adapter, u8 id, u8 enable)
897 {
898         int err = -EIO;
899         u32 arg1, arg2;
900         struct qlcnic_eswitch *eswitch;
901
902         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
903                 return err;
904
905         eswitch = &adapter->eswitch[id];
906         if (!eswitch)
907                 return err;
908
909         arg1 = eswitch->port | (enable ? BIT_4 : 0);
910         arg2 = eswitch->active_vports | (eswitch->max_ucast_filters << 8) |
911                 (eswitch->max_active_vlans << 16);
912         err = qlcnic_issue_cmd(adapter,
913                         adapter->ahw.pci_func,
914                         adapter->fw_hal_version,
915                         arg1,
916                         arg2,
917                         0,
918                         QLCNIC_CDRP_CMD_TOGGLE_ESWITCH);
919
920         if (err != QLCNIC_RCODE_SUCCESS) {
921                 dev_err(&adapter->pdev->dev,
922                         "Failed to enable eswitch%d\n", eswitch->port);
923                 eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
924                 err = -EIO;
925         } else {
926                 eswitch->flags |= QLCNIC_SWITCH_ENABLE;
927                 dev_info(&adapter->pdev->dev,
928                         "Enabled eSwitch for port %d\n", eswitch->port);
929         }
930
931         return err;
932 }
933
934 /* Configure eSwitch for port mirroring */
935 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
936                                 u8 enable_mirroring, u8 pci_func)
937 {
938         int err = -EIO;
939         u32 arg1;
940
941         if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
942                 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
943                 return err;
944
945         arg1 = id | (enable_mirroring ? BIT_4 : 0);
946         arg1 |= pci_func << 8;
947
948         err = qlcnic_issue_cmd(adapter,
949                         adapter->ahw.pci_func,
950                         adapter->fw_hal_version,
951                         arg1,
952                         0,
953                         0,
954                         QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
955
956         if (err != QLCNIC_RCODE_SUCCESS) {
957                 dev_err(&adapter->pdev->dev,
958                         "Failed to configure port mirroring%d on eswitch:%d\n",
959                         pci_func, id);
960         } else {
961                 dev_info(&adapter->pdev->dev,
962                         "Configured eSwitch %d for port mirroring:%d\n",
963                         id, pci_func);
964         }
965
966         return err;
967 }
968
969 /* Configure eSwitch port */
970 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, u8 id,
971                 int vlan_tagging, u8 discard_tagged, u8 promsc_mode,
972                 u8 mac_learn, u8 pci_func, u16 vlan_id)
973 {
974         int err = -EIO;
975         u32 arg1;
976         struct qlcnic_eswitch *eswitch;
977
978         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
979                 return err;
980
981         eswitch = &adapter->eswitch[id];
982         if (!(eswitch->flags & QLCNIC_SWITCH_ENABLE))
983                 return err;
984
985         arg1 = eswitch->port | (discard_tagged ? BIT_4 : 0);
986         arg1 |= (promsc_mode ? BIT_6 : 0) | (mac_learn ? BIT_7 : 0);
987         arg1 |= pci_func << 8;
988         if (vlan_tagging)
989                 arg1 |= BIT_5 | (vlan_id << 16);
990
991         err = qlcnic_issue_cmd(adapter,
992                         adapter->ahw.pci_func,
993                         adapter->fw_hal_version,
994                         arg1,
995                         0,
996                         0,
997                         QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
998
999         if (err != QLCNIC_RCODE_SUCCESS) {
1000                 dev_err(&adapter->pdev->dev,
1001                         "Failed to configure eswitch port%d\n", eswitch->port);
1002                 eswitch->flags |= QLCNIC_SWITCH_ENABLE;
1003         } else {
1004                 eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
1005                 dev_info(&adapter->pdev->dev,
1006                         "Configured eSwitch for port %d\n", eswitch->port);
1007         }
1008
1009         return err;
1010 }