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staging: rtl8188eu: Replace function name in string with __func__
[linux/fpc-iii.git] / drivers / net / ethernet / qlogic / netxen / netxen_nic_ctx.c
blob6cec2a6a3dcc3214c5d200484d2c1046bee44854
1 /*
2 * Copyright (C) 2003 - 2009 NetXen, Inc.
3 * Copyright (C) 2009 - QLogic Corporation.
4 * All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 *
19 * The full GNU General Public License is included in this distribution
20 * in the file called "COPYING".
21 *
22 */
23
24 #include "netxen_nic_hw.h"
25 #include "netxen_nic.h"
26
27 #define NXHAL_VERSION 1
28
29 static u32
30 netxen_poll_rsp(struct netxen_adapter *adapter)
31 {
32 u32 rsp = NX_CDRP_RSP_OK;
33 int timeout = 0;
34
35 do {
36 /* give atleast 1ms for firmware to respond */
37 msleep(1);
38
39 if (++timeout > NX_OS_CRB_RETRY_COUNT)
40 return NX_CDRP_RSP_TIMEOUT;
41
42 rsp = NXRD32(adapter, NX_CDRP_CRB_OFFSET);
43 } while (!NX_CDRP_IS_RSP(rsp));
44
45 return rsp;
46 }
47
48 static u32
49 netxen_issue_cmd(struct netxen_adapter *adapter, struct netxen_cmd_args *cmd)
50 {
51 u32 rsp;
52 u32 signature = 0;
53 u32 rcode = NX_RCODE_SUCCESS;
54
55 signature = NX_CDRP_SIGNATURE_MAKE(adapter->ahw.pci_func,
56 NXHAL_VERSION);
57 /* Acquire semaphore before accessing CRB */
58 if (netxen_api_lock(adapter))
59 return NX_RCODE_TIMEOUT;
60
61 NXWR32(adapter, NX_SIGN_CRB_OFFSET, signature);
62
63 NXWR32(adapter, NX_ARG1_CRB_OFFSET, cmd->req.arg1);
64
65 NXWR32(adapter, NX_ARG2_CRB_OFFSET, cmd->req.arg2);
66
67 NXWR32(adapter, NX_ARG3_CRB_OFFSET, cmd->req.arg3);
68
69 NXWR32(adapter, NX_CDRP_CRB_OFFSET, NX_CDRP_FORM_CMD(cmd->req.cmd));
70
71 rsp = netxen_poll_rsp(adapter);
72
73 if (rsp == NX_CDRP_RSP_TIMEOUT) {
74 printk(KERN_ERR "%s: card response timeout.\n",
75 netxen_nic_driver_name);
76
77 rcode = NX_RCODE_TIMEOUT;
78 } else if (rsp == NX_CDRP_RSP_FAIL) {
79 rcode = NXRD32(adapter, NX_ARG1_CRB_OFFSET);
80
81 printk(KERN_ERR "%s: failed card response code:0x%x\n",
82 netxen_nic_driver_name, rcode);
83 } else if (rsp == NX_CDRP_RSP_OK) {
84 cmd->rsp.cmd = NX_RCODE_SUCCESS;
85 if (cmd->rsp.arg2)
86 cmd->rsp.arg2 = NXRD32(adapter, NX_ARG2_CRB_OFFSET);
87 if (cmd->rsp.arg3)
88 cmd->rsp.arg3 = NXRD32(adapter, NX_ARG3_CRB_OFFSET);
89 }
90
91 if (cmd->rsp.arg1)
92 cmd->rsp.arg1 = NXRD32(adapter, NX_ARG1_CRB_OFFSET);
93 /* Release semaphore */
94 netxen_api_unlock(adapter);
95
96 return rcode;
97 }
98
99 static int
100 netxen_get_minidump_template_size(struct netxen_adapter *adapter)
101 {
102 struct netxen_cmd_args cmd;
103 memset(&cmd, 0, sizeof(cmd));
104 cmd.req.cmd = NX_CDRP_CMD_TEMP_SIZE;
105 memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
106 netxen_issue_cmd(adapter, &cmd);
107 if (cmd.rsp.cmd != NX_RCODE_SUCCESS) {
108 dev_info(&adapter->pdev->dev,
109 "Can't get template size %d\n", cmd.rsp.cmd);
110 return -EIO;
111 }
112 adapter->mdump.md_template_size = cmd.rsp.arg2;
113 adapter->mdump.md_template_ver = cmd.rsp.arg3;
114 return 0;
115 }
116
117 static int
118 netxen_get_minidump_template(struct netxen_adapter *adapter)
119 {
120 dma_addr_t md_template_addr;
121 void *addr;
122 u32 size;
123 struct netxen_cmd_args cmd;
124 size = adapter->mdump.md_template_size;
125
126 if (size == 0) {
127 dev_err(&adapter->pdev->dev, "Can not capture Minidump "
128 "template. Invalid template size.\n");
129 return NX_RCODE_INVALID_ARGS;
130 }
131
132 addr = pci_zalloc_consistent(adapter->pdev, size, &md_template_addr);
133 if (!addr) {
134 dev_err(&adapter->pdev->dev, "Unable to allocate dmable memory for template.\n");
135 return -ENOMEM;
136 }
137
138 memset(&cmd, 0, sizeof(cmd));
139 memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
140 cmd.req.cmd = NX_CDRP_CMD_GET_TEMP_HDR;
141 cmd.req.arg1 = LSD(md_template_addr);
142 cmd.req.arg2 = MSD(md_template_addr);
143 cmd.req.arg3 |= size;
144 netxen_issue_cmd(adapter, &cmd);
145
146 if ((cmd.rsp.cmd == NX_RCODE_SUCCESS) && (size == cmd.rsp.arg2)) {
147 memcpy(adapter->mdump.md_template, addr, size);
148 } else {
149 dev_err(&adapter->pdev->dev, "Failed to get minidump template, "
150 "err_code : %d, requested_size : %d, actual_size : %d\n ",
151 cmd.rsp.cmd, size, cmd.rsp.arg2);
152 }
153 pci_free_consistent(adapter->pdev, size, addr, md_template_addr);
154 return 0;
155 }
156
157 static u32
158 netxen_check_template_checksum(struct netxen_adapter *adapter)
159 {
160 u64 sum = 0 ;
161 u32 *buff = adapter->mdump.md_template;
162 int count = adapter->mdump.md_template_size/sizeof(uint32_t) ;
163
164 while (count-- > 0)
165 sum += *buff++ ;
166 while (sum >> 32)
167 sum = (sum & 0xFFFFFFFF) + (sum >> 32) ;
168
169 return ~sum;
170 }
171
172 int
173 netxen_setup_minidump(struct netxen_adapter *adapter)
174 {
175 int err = 0, i;
176 u32 *template, *tmp_buf;
177 err = netxen_get_minidump_template_size(adapter);
178 if (err) {
179 adapter->mdump.fw_supports_md = 0;
180 if ((err == NX_RCODE_CMD_INVALID) ||
181 (err == NX_RCODE_CMD_NOT_IMPL)) {
182 dev_info(&adapter->pdev->dev,
183 "Flashed firmware version does not support minidump, "
184 "minimum version required is [ %u.%u.%u ].\n ",
185 NX_MD_SUPPORT_MAJOR, NX_MD_SUPPORT_MINOR,
186 NX_MD_SUPPORT_SUBVERSION);
187 }
188 return err;
189 }
190
191 if (!adapter->mdump.md_template_size) {
192 dev_err(&adapter->pdev->dev, "Error : Invalid template size "
193 ",should be non-zero.\n");
194 return -EIO;
195 }
196 adapter->mdump.md_template =
197 kmalloc(adapter->mdump.md_template_size, GFP_KERNEL);
198
199 if (!adapter->mdump.md_template)
200 return -ENOMEM;
201
202 err = netxen_get_minidump_template(adapter);
203 if (err) {
204 if (err == NX_RCODE_CMD_NOT_IMPL)
205 adapter->mdump.fw_supports_md = 0;
206 goto free_template;
207 }
208
209 if (netxen_check_template_checksum(adapter)) {
210 dev_err(&adapter->pdev->dev, "Minidump template checksum Error\n");
211 err = -EIO;
212 goto free_template;
213 }
214
215 adapter->mdump.md_capture_mask = NX_DUMP_MASK_DEF;
216 tmp_buf = (u32 *) adapter->mdump.md_template;
217 template = (u32 *) adapter->mdump.md_template;
218 for (i = 0; i < adapter->mdump.md_template_size/sizeof(u32); i++)
219 *template++ = __le32_to_cpu(*tmp_buf++);
220 adapter->mdump.md_capture_buff = NULL;
221 adapter->mdump.fw_supports_md = 1;
222 adapter->mdump.md_enabled = 0;
223
224 return err;
225
226 free_template:
227 kfree(adapter->mdump.md_template);
228 adapter->mdump.md_template = NULL;
229 return err;
230 }
231
232
233 int
234 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu)
235 {
236 u32 rcode = NX_RCODE_SUCCESS;
237 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
238 struct netxen_cmd_args cmd;
239
240 memset(&cmd, 0, sizeof(cmd));
241 cmd.req.cmd = NX_CDRP_CMD_SET_MTU;
242 cmd.req.arg1 = recv_ctx->context_id;
243 cmd.req.arg2 = mtu;
244 cmd.req.arg3 = 0;
245
246 if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
247 rcode = netxen_issue_cmd(adapter, &cmd);
248
249 if (rcode != NX_RCODE_SUCCESS)
250 return -EIO;
251
252 return 0;
253 }
254
255 int
256 nx_fw_cmd_set_gbe_port(struct netxen_adapter *adapter,
257 u32 speed, u32 duplex, u32 autoneg)
258 {
259 struct netxen_cmd_args cmd;
260
261 memset(&cmd, 0, sizeof(cmd));
262 cmd.req.cmd = NX_CDRP_CMD_CONFIG_GBE_PORT;
263 cmd.req.arg1 = speed;
264 cmd.req.arg2 = duplex;
265 cmd.req.arg3 = autoneg;
266 return netxen_issue_cmd(adapter, &cmd);
267 }
268
269 static int
270 nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
271 {
272 void *addr;
273 nx_hostrq_rx_ctx_t *prq;
274 nx_cardrsp_rx_ctx_t *prsp;
275 nx_hostrq_rds_ring_t *prq_rds;
276 nx_hostrq_sds_ring_t *prq_sds;
277 nx_cardrsp_rds_ring_t *prsp_rds;
278 nx_cardrsp_sds_ring_t *prsp_sds;
279 struct nx_host_rds_ring *rds_ring;
280 struct nx_host_sds_ring *sds_ring;
281 struct netxen_cmd_args cmd;
282
283 dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
284 u64 phys_addr;
285
286 int i, nrds_rings, nsds_rings;
287 size_t rq_size, rsp_size;
288 u32 cap, reg, val;
289
290 int err;
291
292 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
293
294 nrds_rings = adapter->max_rds_rings;
295 nsds_rings = adapter->max_sds_rings;
296
297 rq_size =
298 SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
299 rsp_size =
300 SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
301
302 addr = pci_alloc_consistent(adapter->pdev,
303 rq_size, &hostrq_phys_addr);
304 if (addr == NULL)
305 return -ENOMEM;
306 prq = addr;
307
308 addr = pci_alloc_consistent(adapter->pdev,
309 rsp_size, &cardrsp_phys_addr);
310 if (addr == NULL) {
311 err = -ENOMEM;
312 goto out_free_rq;
313 }
314 prsp = addr;
315
316 prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
317
318 cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
319 cap |= (NX_CAP0_JUMBO_CONTIGUOUS | NX_CAP0_LRO_CONTIGUOUS);
320
321 if (adapter->flags & NETXEN_FW_MSS_CAP)
322 cap |= NX_CAP0_HW_LRO_MSS;
323
324 prq->capabilities[0] = cpu_to_le32(cap);
325 prq->host_int_crb_mode =
326 cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
327 prq->host_rds_crb_mode =
328 cpu_to_le32(NX_HOST_RDS_CRB_MODE_UNIQUE);
329
330 prq->num_rds_rings = cpu_to_le16(nrds_rings);
331 prq->num_sds_rings = cpu_to_le16(nsds_rings);
332 prq->rds_ring_offset = cpu_to_le32(0);
333
334 val = le32_to_cpu(prq->rds_ring_offset) +
335 (sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
336 prq->sds_ring_offset = cpu_to_le32(val);
337
338 prq_rds = (nx_hostrq_rds_ring_t *)(prq->data +
339 le32_to_cpu(prq->rds_ring_offset));
340
341 for (i = 0; i < nrds_rings; i++) {
342
343 rds_ring = &recv_ctx->rds_rings[i];
344
345 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
346 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
347 prq_rds[i].ring_kind = cpu_to_le32(i);
348 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
349 }
350
351 prq_sds = (nx_hostrq_sds_ring_t *)(prq->data +
352 le32_to_cpu(prq->sds_ring_offset));
353
354 for (i = 0; i < nsds_rings; i++) {
355
356 sds_ring = &recv_ctx->sds_rings[i];
357
358 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
359 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
360 prq_sds[i].msi_index = cpu_to_le16(i);
361 }
362
363 phys_addr = hostrq_phys_addr;
364 memset(&cmd, 0, sizeof(cmd));
365 cmd.req.arg1 = (u32)(phys_addr >> 32);
366 cmd.req.arg2 = (u32)(phys_addr & 0xffffffff);
367 cmd.req.arg3 = rq_size;
368 cmd.req.cmd = NX_CDRP_CMD_CREATE_RX_CTX;
369 err = netxen_issue_cmd(adapter, &cmd);
370 if (err) {
371 printk(KERN_WARNING
372 "Failed to create rx ctx in firmware%d\n", err);
373 goto out_free_rsp;
374 }
375
376
377 prsp_rds = ((nx_cardrsp_rds_ring_t *)
378 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
379
380 for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
381 rds_ring = &recv_ctx->rds_rings[i];
382
383 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
384 rds_ring->crb_rcv_producer = netxen_get_ioaddr(adapter,
385 NETXEN_NIC_REG(reg - 0x200));
386 }
387
388 prsp_sds = ((nx_cardrsp_sds_ring_t *)
389 &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
390
391 for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
392 sds_ring = &recv_ctx->sds_rings[i];
393
394 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
395 sds_ring->crb_sts_consumer = netxen_get_ioaddr(adapter,
396 NETXEN_NIC_REG(reg - 0x200));
397
398 reg = le32_to_cpu(prsp_sds[i].interrupt_crb);
399 sds_ring->crb_intr_mask = netxen_get_ioaddr(adapter,
400 NETXEN_NIC_REG(reg - 0x200));
401 }
402
403 recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
404 recv_ctx->context_id = le16_to_cpu(prsp->context_id);
405 recv_ctx->virt_port = prsp->virt_port;
406
407 out_free_rsp:
408 pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
409 out_free_rq:
410 pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
411 return err;
412 }
413
414 static void
415 nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
416 {
417 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
418 struct netxen_cmd_args cmd;
419
420 memset(&cmd, 0, sizeof(cmd));
421 cmd.req.arg1 = recv_ctx->context_id;
422 cmd.req.arg2 = NX_DESTROY_CTX_RESET;
423 cmd.req.arg3 = 0;
424 cmd.req.cmd = NX_CDRP_CMD_DESTROY_RX_CTX;
425
426 if (netxen_issue_cmd(adapter, &cmd)) {
427 printk(KERN_WARNING
428 "%s: Failed to destroy rx ctx in firmware\n",
429 netxen_nic_driver_name);
430 }
431 }
432
433 static int
434 nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
435 {
436 nx_hostrq_tx_ctx_t *prq;
437 nx_hostrq_cds_ring_t *prq_cds;
438 nx_cardrsp_tx_ctx_t *prsp;
439 void *rq_addr, *rsp_addr;
440 size_t rq_size, rsp_size;
441 u32 temp;
442 int err = 0;
443 u64 offset, phys_addr;
444 dma_addr_t rq_phys_addr, rsp_phys_addr;
445 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
446 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
447 struct netxen_cmd_args cmd;
448
449 rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
450 rq_addr = pci_alloc_consistent(adapter->pdev,
451 rq_size, &rq_phys_addr);
452 if (!rq_addr)
453 return -ENOMEM;
454
455 rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
456 rsp_addr = pci_alloc_consistent(adapter->pdev,
457 rsp_size, &rsp_phys_addr);
458 if (!rsp_addr) {
459 err = -ENOMEM;
460 goto out_free_rq;
461 }
462
463 memset(rq_addr, 0, rq_size);
464 prq = rq_addr;
465
466 memset(rsp_addr, 0, rsp_size);
467 prsp = rsp_addr;
468
469 prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
470
471 temp = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN | NX_CAP0_LSO);
472 prq->capabilities[0] = cpu_to_le32(temp);
473
474 prq->host_int_crb_mode =
475 cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
476
477 prq->interrupt_ctl = 0;
478 prq->msi_index = 0;
479
480 prq->dummy_dma_addr = cpu_to_le64(adapter->dummy_dma.phys_addr);
481
482 offset = recv_ctx->phys_addr + sizeof(struct netxen_ring_ctx);
483 prq->cmd_cons_dma_addr = cpu_to_le64(offset);
484
485 prq_cds = &prq->cds_ring;
486
487 prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
488 prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
489
490 phys_addr = rq_phys_addr;
491 memset(&cmd, 0, sizeof(cmd));
492 cmd.req.arg1 = (u32)(phys_addr >> 32);
493 cmd.req.arg2 = ((u32)phys_addr & 0xffffffff);
494 cmd.req.arg3 = rq_size;
495 cmd.req.cmd = NX_CDRP_CMD_CREATE_TX_CTX;
496 err = netxen_issue_cmd(adapter, &cmd);
497
498 if (err == NX_RCODE_SUCCESS) {
499 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
500 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
501 NETXEN_NIC_REG(temp - 0x200));
502 #if 0
503 adapter->tx_state =
504 le32_to_cpu(prsp->host_ctx_state);
505 #endif
506 adapter->tx_context_id =
507 le16_to_cpu(prsp->context_id);
508 } else {
509 printk(KERN_WARNING
510 "Failed to create tx ctx in firmware%d\n", err);
511 err = -EIO;
512 }
513
514 pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
515
516 out_free_rq:
517 pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
518
519 return err;
520 }
521
522 static void
523 nx_fw_cmd_destroy_tx_ctx(struct netxen_adapter *adapter)
524 {
525 struct netxen_cmd_args cmd;
526
527 memset(&cmd, 0, sizeof(cmd));
528 cmd.req.arg1 = adapter->tx_context_id;
529 cmd.req.arg2 = NX_DESTROY_CTX_RESET;
530 cmd.req.arg3 = 0;
531 cmd.req.cmd = NX_CDRP_CMD_DESTROY_TX_CTX;
532 if (netxen_issue_cmd(adapter, &cmd)) {
533 printk(KERN_WARNING
534 "%s: Failed to destroy tx ctx in firmware\n",
535 netxen_nic_driver_name);
536 }
537 }
538
539 int
540 nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val)
541 {
542 u32 rcode;
543 struct netxen_cmd_args cmd;
544
545 memset(&cmd, 0, sizeof(cmd));
546 cmd.req.arg1 = reg;
547 cmd.req.arg2 = 0;
548 cmd.req.arg3 = 0;
549 cmd.req.cmd = NX_CDRP_CMD_READ_PHY;
550 cmd.rsp.arg1 = 1;
551 rcode = netxen_issue_cmd(adapter, &cmd);
552 if (rcode != NX_RCODE_SUCCESS)
553 return -EIO;
554
555 if (val == NULL)
556 return -EIO;
557
558 *val = cmd.rsp.arg1;
559 return 0;
560 }
561
562 int
563 nx_fw_cmd_set_phy(struct netxen_adapter *adapter, u32 reg, u32 val)
564 {
565 u32 rcode;
566 struct netxen_cmd_args cmd;
567
568 memset(&cmd, 0, sizeof(cmd));
569 cmd.req.arg1 = reg;
570 cmd.req.arg2 = val;
571 cmd.req.arg3 = 0;
572 cmd.req.cmd = NX_CDRP_CMD_WRITE_PHY;
573 rcode = netxen_issue_cmd(adapter, &cmd);
574 if (rcode != NX_RCODE_SUCCESS)
575 return -EIO;
576
577 return 0;
578 }
579
580 static u64 ctx_addr_sig_regs[][3] = {
581 {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
582 {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
583 {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
584 {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
585 };
586
587 #define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
588 #define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
589 #define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
590
591 #define lower32(x) ((u32)((x) & 0xffffffff))
592 #define upper32(x) ((u32)(((u64)(x) >> 32) & 0xffffffff))
593
594 static struct netxen_recv_crb recv_crb_registers[] = {
595 /* Instance 0 */
596 {
597 /* crb_rcv_producer: */
598 {
599 NETXEN_NIC_REG(0x100),
600 /* Jumbo frames */
601 NETXEN_NIC_REG(0x110),
602 /* LRO */
603 NETXEN_NIC_REG(0x120)
604 },
605 /* crb_sts_consumer: */
606 {
607 NETXEN_NIC_REG(0x138),
608 NETXEN_NIC_REG_2(0x000),
609 NETXEN_NIC_REG_2(0x004),
610 NETXEN_NIC_REG_2(0x008),
611 },
612 /* sw_int_mask */
613 {
614 CRB_SW_INT_MASK_0,
615 NETXEN_NIC_REG_2(0x044),
616 NETXEN_NIC_REG_2(0x048),
617 NETXEN_NIC_REG_2(0x04c),
618 },
619 },
620 /* Instance 1 */
621 {
622 /* crb_rcv_producer: */
623 {
624 NETXEN_NIC_REG(0x144),
625 /* Jumbo frames */
626 NETXEN_NIC_REG(0x154),
627 /* LRO */
628 NETXEN_NIC_REG(0x164)
629 },
630 /* crb_sts_consumer: */
631 {
632 NETXEN_NIC_REG(0x17c),
633 NETXEN_NIC_REG_2(0x020),
634 NETXEN_NIC_REG_2(0x024),
635 NETXEN_NIC_REG_2(0x028),
636 },
637 /* sw_int_mask */
638 {
639 CRB_SW_INT_MASK_1,
640 NETXEN_NIC_REG_2(0x064),
641 NETXEN_NIC_REG_2(0x068),
642 NETXEN_NIC_REG_2(0x06c),
643 },
644 },
645 /* Instance 2 */
646 {
647 /* crb_rcv_producer: */
648 {
649 NETXEN_NIC_REG(0x1d8),
650 /* Jumbo frames */
651 NETXEN_NIC_REG(0x1f8),
652 /* LRO */
653 NETXEN_NIC_REG(0x208)
654 },
655 /* crb_sts_consumer: */
656 {
657 NETXEN_NIC_REG(0x220),
658 NETXEN_NIC_REG_2(0x03c),
659 NETXEN_NIC_REG_2(0x03c),
660 NETXEN_NIC_REG_2(0x03c),
661 },
662 /* sw_int_mask */
663 {
664 CRB_SW_INT_MASK_2,
665 NETXEN_NIC_REG_2(0x03c),
666 NETXEN_NIC_REG_2(0x03c),
667 NETXEN_NIC_REG_2(0x03c),
668 },
669 },
670 /* Instance 3 */
671 {
672 /* crb_rcv_producer: */
673 {
674 NETXEN_NIC_REG(0x22c),
675 /* Jumbo frames */
676 NETXEN_NIC_REG(0x23c),
677 /* LRO */
678 NETXEN_NIC_REG(0x24c)
679 },
680 /* crb_sts_consumer: */
681 {
682 NETXEN_NIC_REG(0x264),
683 NETXEN_NIC_REG_2(0x03c),
684 NETXEN_NIC_REG_2(0x03c),
685 NETXEN_NIC_REG_2(0x03c),
686 },
687 /* sw_int_mask */
688 {
689 CRB_SW_INT_MASK_3,
690 NETXEN_NIC_REG_2(0x03c),
691 NETXEN_NIC_REG_2(0x03c),
692 NETXEN_NIC_REG_2(0x03c),
693 },
694 },
695 };
696
697 static int
698 netxen_init_old_ctx(struct netxen_adapter *adapter)
699 {
700 struct netxen_recv_context *recv_ctx;
701 struct nx_host_rds_ring *rds_ring;
702 struct nx_host_sds_ring *sds_ring;
703 struct nx_host_tx_ring *tx_ring;
704 int ring;
705 int port = adapter->portnum;
706 struct netxen_ring_ctx *hwctx;
707 u32 signature;
708
709 tx_ring = adapter->tx_ring;
710 recv_ctx = &adapter->recv_ctx;
711 hwctx = recv_ctx->hwctx;
712
713 hwctx->cmd_ring_addr = cpu_to_le64(tx_ring->phys_addr);
714 hwctx->cmd_ring_size = cpu_to_le32(tx_ring->num_desc);
715
716
717 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
718 rds_ring = &recv_ctx->rds_rings[ring];
719
720 hwctx->rcv_rings[ring].addr =
721 cpu_to_le64(rds_ring->phys_addr);
722 hwctx->rcv_rings[ring].size =
723 cpu_to_le32(rds_ring->num_desc);
724 }
725
726 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
727 sds_ring = &recv_ctx->sds_rings[ring];
728
729 if (ring == 0) {
730 hwctx->sts_ring_addr = cpu_to_le64(sds_ring->phys_addr);
731 hwctx->sts_ring_size = cpu_to_le32(sds_ring->num_desc);
732 }
733 hwctx->sts_rings[ring].addr = cpu_to_le64(sds_ring->phys_addr);
734 hwctx->sts_rings[ring].size = cpu_to_le32(sds_ring->num_desc);
735 hwctx->sts_rings[ring].msi_index = cpu_to_le16(ring);
736 }
737 hwctx->sts_ring_count = cpu_to_le32(adapter->max_sds_rings);
738
739 signature = (adapter->max_sds_rings > 1) ?
740 NETXEN_CTX_SIGNATURE_V2 : NETXEN_CTX_SIGNATURE;
741
742 NXWR32(adapter, CRB_CTX_ADDR_REG_LO(port),
743 lower32(recv_ctx->phys_addr));
744 NXWR32(adapter, CRB_CTX_ADDR_REG_HI(port),
745 upper32(recv_ctx->phys_addr));
746 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
747 signature | port);
748 return 0;
749 }
750
751 int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
752 {
753 void *addr;
754 int err = 0;
755 int ring;
756 struct netxen_recv_context *recv_ctx;
757 struct nx_host_rds_ring *rds_ring;
758 struct nx_host_sds_ring *sds_ring;
759 struct nx_host_tx_ring *tx_ring;
760
761 struct pci_dev *pdev = adapter->pdev;
762 struct net_device *netdev = adapter->netdev;
763 int port = adapter->portnum;
764
765 recv_ctx = &adapter->recv_ctx;
766 tx_ring = adapter->tx_ring;
767
768 addr = pci_alloc_consistent(pdev,
769 sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
770 &recv_ctx->phys_addr);
771 if (addr == NULL) {
772 dev_err(&pdev->dev, "failed to allocate hw context\n");
773 return -ENOMEM;
774 }
775
776 memset(addr, 0, sizeof(struct netxen_ring_ctx));
777 recv_ctx->hwctx = addr;
778 recv_ctx->hwctx->ctx_id = cpu_to_le32(port);
779 recv_ctx->hwctx->cmd_consumer_offset =
780 cpu_to_le64(recv_ctx->phys_addr +
781 sizeof(struct netxen_ring_ctx));
782 tx_ring->hw_consumer =
783 (__le32 *)(((char *)addr) + sizeof(struct netxen_ring_ctx));
784
785 /* cmd desc ring */
786 addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
787 &tx_ring->phys_addr);
788
789 if (addr == NULL) {
790 dev_err(&pdev->dev, "%s: failed to allocate tx desc ring\n",
791 netdev->name);
792 err = -ENOMEM;
793 goto err_out_free;
794 }
795
796 tx_ring->desc_head = addr;
797
798 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
799 rds_ring = &recv_ctx->rds_rings[ring];
800 addr = pci_alloc_consistent(adapter->pdev,
801 RCV_DESC_RINGSIZE(rds_ring),
802 &rds_ring->phys_addr);
803 if (addr == NULL) {
804 dev_err(&pdev->dev,
805 "%s: failed to allocate rds ring [%d]\n",
806 netdev->name, ring);
807 err = -ENOMEM;
808 goto err_out_free;
809 }
810 rds_ring->desc_head = addr;
811
812 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
813 rds_ring->crb_rcv_producer =
814 netxen_get_ioaddr(adapter,
815 recv_crb_registers[port].crb_rcv_producer[ring]);
816 }
817
818 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
819 sds_ring = &recv_ctx->sds_rings[ring];
820
821 addr = pci_alloc_consistent(adapter->pdev,
822 STATUS_DESC_RINGSIZE(sds_ring),
823 &sds_ring->phys_addr);
824 if (addr == NULL) {
825 dev_err(&pdev->dev,
826 "%s: failed to allocate sds ring [%d]\n",
827 netdev->name, ring);
828 err = -ENOMEM;
829 goto err_out_free;
830 }
831 sds_ring->desc_head = addr;
832
833 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
834 sds_ring->crb_sts_consumer =
835 netxen_get_ioaddr(adapter,
836 recv_crb_registers[port].crb_sts_consumer[ring]);
837
838 sds_ring->crb_intr_mask =
839 netxen_get_ioaddr(adapter,
840 recv_crb_registers[port].sw_int_mask[ring]);
841 }
842 }
843
844
845 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
846 if (test_and_set_bit(__NX_FW_ATTACHED, &adapter->state))
847 goto done;
848 err = nx_fw_cmd_create_rx_ctx(adapter);
849 if (err)
850 goto err_out_free;
851 err = nx_fw_cmd_create_tx_ctx(adapter);
852 if (err)
853 goto err_out_free;
854 } else {
855 err = netxen_init_old_ctx(adapter);
856 if (err)
857 goto err_out_free;
858 }
859
860 done:
861 return 0;
862
863 err_out_free:
864 netxen_free_hw_resources(adapter);
865 return err;
866 }
867
868 void netxen_free_hw_resources(struct netxen_adapter *adapter)
869 {
870 struct netxen_recv_context *recv_ctx;
871 struct nx_host_rds_ring *rds_ring;
872 struct nx_host_sds_ring *sds_ring;
873 struct nx_host_tx_ring *tx_ring;
874 int ring;
875
876 int port = adapter->portnum;
877
878 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
879 if (!test_and_clear_bit(__NX_FW_ATTACHED, &adapter->state))
880 goto done;
881
882 nx_fw_cmd_destroy_rx_ctx(adapter);
883 nx_fw_cmd_destroy_tx_ctx(adapter);
884 } else {
885 netxen_api_lock(adapter);
886 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
887 NETXEN_CTX_D3_RESET | port);
888 netxen_api_unlock(adapter);
889 }
890
891 /* Allow dma queues to drain after context reset */
892 msleep(20);
893
894 done:
895 recv_ctx = &adapter->recv_ctx;
896
897 if (recv_ctx->hwctx != NULL) {
898 pci_free_consistent(adapter->pdev,
899 sizeof(struct netxen_ring_ctx) +
900 sizeof(uint32_t),
901 recv_ctx->hwctx,
902 recv_ctx->phys_addr);
903 recv_ctx->hwctx = NULL;
904 }
905
906 tx_ring = adapter->tx_ring;
907 if (tx_ring->desc_head != NULL) {
908 pci_free_consistent(adapter->pdev,
909 TX_DESC_RINGSIZE(tx_ring),
910 tx_ring->desc_head, tx_ring->phys_addr);
911 tx_ring->desc_head = NULL;
912 }
913
914 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
915 rds_ring = &recv_ctx->rds_rings[ring];
916
917 if (rds_ring->desc_head != NULL) {
918 pci_free_consistent(adapter->pdev,
919 RCV_DESC_RINGSIZE(rds_ring),
920 rds_ring->desc_head,
921 rds_ring->phys_addr);
922 rds_ring->desc_head = NULL;
923 }
924 }
925
926 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
927 sds_ring = &recv_ctx->sds_rings[ring];
928
929 if (sds_ring->desc_head != NULL) {
930 pci_free_consistent(adapter->pdev,
931 STATUS_DESC_RINGSIZE(sds_ring),
932 sds_ring->desc_head,
933 sds_ring->phys_addr);
934 sds_ring->desc_head = NULL;
935 }
936 }
937 }
938
Linux with added FPC-III support