1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2003 - 2009 NetXen, Inc.
4 * Copyright (C) 2009 - QLogic Corporation.
8 #include "netxen_nic_hw.h"
9 #include "netxen_nic.h"
11 #define NXHAL_VERSION 1
14 netxen_poll_rsp(struct netxen_adapter *adapter)
16 u32 rsp = NX_CDRP_RSP_OK;
20 /* give atleast 1ms for firmware to respond */
23 if (++timeout > NX_OS_CRB_RETRY_COUNT)
24 return NX_CDRP_RSP_TIMEOUT;
26 rsp = NXRD32(adapter, NX_CDRP_CRB_OFFSET);
27 } while (!NX_CDRP_IS_RSP(rsp));
33 netxen_issue_cmd(struct netxen_adapter *adapter, struct netxen_cmd_args *cmd)
37 u32 rcode = NX_RCODE_SUCCESS;
39 signature = NX_CDRP_SIGNATURE_MAKE(adapter->ahw.pci_func,
41 /* Acquire semaphore before accessing CRB */
42 if (netxen_api_lock(adapter))
43 return NX_RCODE_TIMEOUT;
45 NXWR32(adapter, NX_SIGN_CRB_OFFSET, signature);
47 NXWR32(adapter, NX_ARG1_CRB_OFFSET, cmd->req.arg1);
49 NXWR32(adapter, NX_ARG2_CRB_OFFSET, cmd->req.arg2);
51 NXWR32(adapter, NX_ARG3_CRB_OFFSET, cmd->req.arg3);
53 NXWR32(adapter, NX_CDRP_CRB_OFFSET, NX_CDRP_FORM_CMD(cmd->req.cmd));
55 rsp = netxen_poll_rsp(adapter);
57 if (rsp == NX_CDRP_RSP_TIMEOUT) {
58 printk(KERN_ERR "%s: card response timeout.\n",
59 netxen_nic_driver_name);
61 rcode = NX_RCODE_TIMEOUT;
62 } else if (rsp == NX_CDRP_RSP_FAIL) {
63 rcode = NXRD32(adapter, NX_ARG1_CRB_OFFSET);
65 printk(KERN_ERR "%s: failed card response code:0x%x\n",
66 netxen_nic_driver_name, rcode);
67 } else if (rsp == NX_CDRP_RSP_OK) {
68 cmd->rsp.cmd = NX_RCODE_SUCCESS;
70 cmd->rsp.arg2 = NXRD32(adapter, NX_ARG2_CRB_OFFSET);
72 cmd->rsp.arg3 = NXRD32(adapter, NX_ARG3_CRB_OFFSET);
76 cmd->rsp.arg1 = NXRD32(adapter, NX_ARG1_CRB_OFFSET);
77 /* Release semaphore */
78 netxen_api_unlock(adapter);
84 netxen_get_minidump_template_size(struct netxen_adapter *adapter)
86 struct netxen_cmd_args cmd;
87 memset(&cmd, 0, sizeof(cmd));
88 cmd.req.cmd = NX_CDRP_CMD_TEMP_SIZE;
89 memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
90 netxen_issue_cmd(adapter, &cmd);
91 if (cmd.rsp.cmd != NX_RCODE_SUCCESS) {
92 dev_info(&adapter->pdev->dev,
93 "Can't get template size %d\n", cmd.rsp.cmd);
96 adapter->mdump.md_template_size = cmd.rsp.arg2;
97 adapter->mdump.md_template_ver = cmd.rsp.arg3;
102 netxen_get_minidump_template(struct netxen_adapter *adapter)
104 dma_addr_t md_template_addr;
107 struct netxen_cmd_args cmd;
108 size = adapter->mdump.md_template_size;
111 dev_err(&adapter->pdev->dev, "Can not capture Minidump "
112 "template. Invalid template size.\n");
113 return NX_RCODE_INVALID_ARGS;
116 addr = pci_zalloc_consistent(adapter->pdev, size, &md_template_addr);
118 dev_err(&adapter->pdev->dev, "Unable to allocate dmable memory for template.\n");
122 memset(&cmd, 0, sizeof(cmd));
123 memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
124 cmd.req.cmd = NX_CDRP_CMD_GET_TEMP_HDR;
125 cmd.req.arg1 = LSD(md_template_addr);
126 cmd.req.arg2 = MSD(md_template_addr);
127 cmd.req.arg3 |= size;
128 netxen_issue_cmd(adapter, &cmd);
130 if ((cmd.rsp.cmd == NX_RCODE_SUCCESS) && (size == cmd.rsp.arg2)) {
131 memcpy(adapter->mdump.md_template, addr, size);
133 dev_err(&adapter->pdev->dev, "Failed to get minidump template, err_code : %d, requested_size : %d, actual_size : %d\n",
134 cmd.rsp.cmd, size, cmd.rsp.arg2);
136 pci_free_consistent(adapter->pdev, size, addr, md_template_addr);
141 netxen_check_template_checksum(struct netxen_adapter *adapter)
144 u32 *buff = adapter->mdump.md_template;
145 int count = adapter->mdump.md_template_size/sizeof(uint32_t) ;
150 sum = (sum & 0xFFFFFFFF) + (sum >> 32) ;
156 netxen_setup_minidump(struct netxen_adapter *adapter)
159 u32 *template, *tmp_buf;
160 err = netxen_get_minidump_template_size(adapter);
162 adapter->mdump.fw_supports_md = 0;
163 if ((err == NX_RCODE_CMD_INVALID) ||
164 (err == NX_RCODE_CMD_NOT_IMPL)) {
165 dev_info(&adapter->pdev->dev,
166 "Flashed firmware version does not support minidump, minimum version required is [ %u.%u.%u ]\n",
167 NX_MD_SUPPORT_MAJOR, NX_MD_SUPPORT_MINOR,
168 NX_MD_SUPPORT_SUBVERSION);
173 if (!adapter->mdump.md_template_size) {
174 dev_err(&adapter->pdev->dev, "Error : Invalid template size "
175 ",should be non-zero.\n");
178 adapter->mdump.md_template =
179 kmalloc(adapter->mdump.md_template_size, GFP_KERNEL);
181 if (!adapter->mdump.md_template)
184 err = netxen_get_minidump_template(adapter);
186 if (err == NX_RCODE_CMD_NOT_IMPL)
187 adapter->mdump.fw_supports_md = 0;
191 if (netxen_check_template_checksum(adapter)) {
192 dev_err(&adapter->pdev->dev, "Minidump template checksum Error\n");
197 adapter->mdump.md_capture_mask = NX_DUMP_MASK_DEF;
198 tmp_buf = (u32 *) adapter->mdump.md_template;
199 template = (u32 *) adapter->mdump.md_template;
200 for (i = 0; i < adapter->mdump.md_template_size/sizeof(u32); i++)
201 *template++ = __le32_to_cpu(*tmp_buf++);
202 adapter->mdump.md_capture_buff = NULL;
203 adapter->mdump.fw_supports_md = 1;
204 adapter->mdump.md_enabled = 0;
209 kfree(adapter->mdump.md_template);
210 adapter->mdump.md_template = NULL;
216 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu)
218 u32 rcode = NX_RCODE_SUCCESS;
219 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
220 struct netxen_cmd_args cmd;
222 memset(&cmd, 0, sizeof(cmd));
223 cmd.req.cmd = NX_CDRP_CMD_SET_MTU;
224 cmd.req.arg1 = recv_ctx->context_id;
228 if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
229 rcode = netxen_issue_cmd(adapter, &cmd);
231 if (rcode != NX_RCODE_SUCCESS)
238 nx_fw_cmd_set_gbe_port(struct netxen_adapter *adapter,
239 u32 speed, u32 duplex, u32 autoneg)
241 struct netxen_cmd_args cmd;
243 memset(&cmd, 0, sizeof(cmd));
244 cmd.req.cmd = NX_CDRP_CMD_CONFIG_GBE_PORT;
245 cmd.req.arg1 = speed;
246 cmd.req.arg2 = duplex;
247 cmd.req.arg3 = autoneg;
248 return netxen_issue_cmd(adapter, &cmd);
252 nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
255 nx_hostrq_rx_ctx_t *prq;
256 nx_cardrsp_rx_ctx_t *prsp;
257 nx_hostrq_rds_ring_t *prq_rds;
258 nx_hostrq_sds_ring_t *prq_sds;
259 nx_cardrsp_rds_ring_t *prsp_rds;
260 nx_cardrsp_sds_ring_t *prsp_sds;
261 struct nx_host_rds_ring *rds_ring;
262 struct nx_host_sds_ring *sds_ring;
263 struct netxen_cmd_args cmd;
265 dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
268 int i, nrds_rings, nsds_rings;
269 size_t rq_size, rsp_size;
274 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
276 nrds_rings = adapter->max_rds_rings;
277 nsds_rings = adapter->max_sds_rings;
280 SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
282 SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
284 addr = pci_alloc_consistent(adapter->pdev,
285 rq_size, &hostrq_phys_addr);
290 addr = pci_alloc_consistent(adapter->pdev,
291 rsp_size, &cardrsp_phys_addr);
298 prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
300 cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
301 cap |= (NX_CAP0_JUMBO_CONTIGUOUS | NX_CAP0_LRO_CONTIGUOUS);
303 if (adapter->flags & NETXEN_FW_MSS_CAP)
304 cap |= NX_CAP0_HW_LRO_MSS;
306 prq->capabilities[0] = cpu_to_le32(cap);
307 prq->host_int_crb_mode =
308 cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
309 prq->host_rds_crb_mode =
310 cpu_to_le32(NX_HOST_RDS_CRB_MODE_UNIQUE);
312 prq->num_rds_rings = cpu_to_le16(nrds_rings);
313 prq->num_sds_rings = cpu_to_le16(nsds_rings);
314 prq->rds_ring_offset = cpu_to_le32(0);
316 val = le32_to_cpu(prq->rds_ring_offset) +
317 (sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
318 prq->sds_ring_offset = cpu_to_le32(val);
320 prq_rds = (nx_hostrq_rds_ring_t *)(prq->data +
321 le32_to_cpu(prq->rds_ring_offset));
323 for (i = 0; i < nrds_rings; i++) {
325 rds_ring = &recv_ctx->rds_rings[i];
327 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
328 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
329 prq_rds[i].ring_kind = cpu_to_le32(i);
330 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
333 prq_sds = (nx_hostrq_sds_ring_t *)(prq->data +
334 le32_to_cpu(prq->sds_ring_offset));
336 for (i = 0; i < nsds_rings; i++) {
338 sds_ring = &recv_ctx->sds_rings[i];
340 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
341 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
342 prq_sds[i].msi_index = cpu_to_le16(i);
345 phys_addr = hostrq_phys_addr;
346 memset(&cmd, 0, sizeof(cmd));
347 cmd.req.arg1 = (u32)(phys_addr >> 32);
348 cmd.req.arg2 = (u32)(phys_addr & 0xffffffff);
349 cmd.req.arg3 = rq_size;
350 cmd.req.cmd = NX_CDRP_CMD_CREATE_RX_CTX;
351 err = netxen_issue_cmd(adapter, &cmd);
354 "Failed to create rx ctx in firmware%d\n", err);
359 prsp_rds = ((nx_cardrsp_rds_ring_t *)
360 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
362 for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
363 rds_ring = &recv_ctx->rds_rings[i];
365 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
366 rds_ring->crb_rcv_producer = netxen_get_ioaddr(adapter,
367 NETXEN_NIC_REG(reg - 0x200));
370 prsp_sds = ((nx_cardrsp_sds_ring_t *)
371 &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
373 for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
374 sds_ring = &recv_ctx->sds_rings[i];
376 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
377 sds_ring->crb_sts_consumer = netxen_get_ioaddr(adapter,
378 NETXEN_NIC_REG(reg - 0x200));
380 reg = le32_to_cpu(prsp_sds[i].interrupt_crb);
381 sds_ring->crb_intr_mask = netxen_get_ioaddr(adapter,
382 NETXEN_NIC_REG(reg - 0x200));
385 recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
386 recv_ctx->context_id = le16_to_cpu(prsp->context_id);
387 recv_ctx->virt_port = prsp->virt_port;
390 pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
392 pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
397 nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
399 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
400 struct netxen_cmd_args cmd;
402 memset(&cmd, 0, sizeof(cmd));
403 cmd.req.arg1 = recv_ctx->context_id;
404 cmd.req.arg2 = NX_DESTROY_CTX_RESET;
406 cmd.req.cmd = NX_CDRP_CMD_DESTROY_RX_CTX;
408 if (netxen_issue_cmd(adapter, &cmd)) {
410 "%s: Failed to destroy rx ctx in firmware\n",
411 netxen_nic_driver_name);
416 nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
418 nx_hostrq_tx_ctx_t *prq;
419 nx_hostrq_cds_ring_t *prq_cds;
420 nx_cardrsp_tx_ctx_t *prsp;
421 void *rq_addr, *rsp_addr;
422 size_t rq_size, rsp_size;
425 u64 offset, phys_addr;
426 dma_addr_t rq_phys_addr, rsp_phys_addr;
427 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
428 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
429 struct netxen_cmd_args cmd;
431 rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
432 rq_addr = pci_alloc_consistent(adapter->pdev,
433 rq_size, &rq_phys_addr);
437 rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
438 rsp_addr = pci_alloc_consistent(adapter->pdev,
439 rsp_size, &rsp_phys_addr);
445 memset(rq_addr, 0, rq_size);
448 memset(rsp_addr, 0, rsp_size);
451 prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
453 temp = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN | NX_CAP0_LSO);
454 prq->capabilities[0] = cpu_to_le32(temp);
456 prq->host_int_crb_mode =
457 cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
459 prq->interrupt_ctl = 0;
462 prq->dummy_dma_addr = cpu_to_le64(adapter->dummy_dma.phys_addr);
464 offset = recv_ctx->phys_addr + sizeof(struct netxen_ring_ctx);
465 prq->cmd_cons_dma_addr = cpu_to_le64(offset);
467 prq_cds = &prq->cds_ring;
469 prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
470 prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
472 phys_addr = rq_phys_addr;
473 memset(&cmd, 0, sizeof(cmd));
474 cmd.req.arg1 = (u32)(phys_addr >> 32);
475 cmd.req.arg2 = ((u32)phys_addr & 0xffffffff);
476 cmd.req.arg3 = rq_size;
477 cmd.req.cmd = NX_CDRP_CMD_CREATE_TX_CTX;
478 err = netxen_issue_cmd(adapter, &cmd);
480 if (err == NX_RCODE_SUCCESS) {
481 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
482 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
483 NETXEN_NIC_REG(temp - 0x200));
486 le32_to_cpu(prsp->host_ctx_state);
488 adapter->tx_context_id =
489 le16_to_cpu(prsp->context_id);
492 "Failed to create tx ctx in firmware%d\n", err);
496 pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
499 pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
505 nx_fw_cmd_destroy_tx_ctx(struct netxen_adapter *adapter)
507 struct netxen_cmd_args cmd;
509 memset(&cmd, 0, sizeof(cmd));
510 cmd.req.arg1 = adapter->tx_context_id;
511 cmd.req.arg2 = NX_DESTROY_CTX_RESET;
513 cmd.req.cmd = NX_CDRP_CMD_DESTROY_TX_CTX;
514 if (netxen_issue_cmd(adapter, &cmd)) {
516 "%s: Failed to destroy tx ctx in firmware\n",
517 netxen_nic_driver_name);
522 nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val)
525 struct netxen_cmd_args cmd;
527 memset(&cmd, 0, sizeof(cmd));
531 cmd.req.cmd = NX_CDRP_CMD_READ_PHY;
533 rcode = netxen_issue_cmd(adapter, &cmd);
534 if (rcode != NX_RCODE_SUCCESS)
545 nx_fw_cmd_set_phy(struct netxen_adapter *adapter, u32 reg, u32 val)
548 struct netxen_cmd_args cmd;
550 memset(&cmd, 0, sizeof(cmd));
554 cmd.req.cmd = NX_CDRP_CMD_WRITE_PHY;
555 rcode = netxen_issue_cmd(adapter, &cmd);
556 if (rcode != NX_RCODE_SUCCESS)
562 static u64 ctx_addr_sig_regs[][3] = {
563 {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
564 {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
565 {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
566 {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
569 #define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
570 #define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
571 #define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
573 #define lower32(x) ((u32)((x) & 0xffffffff))
574 #define upper32(x) ((u32)(((u64)(x) >> 32) & 0xffffffff))
576 static struct netxen_recv_crb recv_crb_registers[] = {
579 /* crb_rcv_producer: */
581 NETXEN_NIC_REG(0x100),
583 NETXEN_NIC_REG(0x110),
585 NETXEN_NIC_REG(0x120)
587 /* crb_sts_consumer: */
589 NETXEN_NIC_REG(0x138),
590 NETXEN_NIC_REG_2(0x000),
591 NETXEN_NIC_REG_2(0x004),
592 NETXEN_NIC_REG_2(0x008),
597 NETXEN_NIC_REG_2(0x044),
598 NETXEN_NIC_REG_2(0x048),
599 NETXEN_NIC_REG_2(0x04c),
604 /* crb_rcv_producer: */
606 NETXEN_NIC_REG(0x144),
608 NETXEN_NIC_REG(0x154),
610 NETXEN_NIC_REG(0x164)
612 /* crb_sts_consumer: */
614 NETXEN_NIC_REG(0x17c),
615 NETXEN_NIC_REG_2(0x020),
616 NETXEN_NIC_REG_2(0x024),
617 NETXEN_NIC_REG_2(0x028),
622 NETXEN_NIC_REG_2(0x064),
623 NETXEN_NIC_REG_2(0x068),
624 NETXEN_NIC_REG_2(0x06c),
629 /* crb_rcv_producer: */
631 NETXEN_NIC_REG(0x1d8),
633 NETXEN_NIC_REG(0x1f8),
635 NETXEN_NIC_REG(0x208)
637 /* crb_sts_consumer: */
639 NETXEN_NIC_REG(0x220),
640 NETXEN_NIC_REG_2(0x03c),
641 NETXEN_NIC_REG_2(0x03c),
642 NETXEN_NIC_REG_2(0x03c),
647 NETXEN_NIC_REG_2(0x03c),
648 NETXEN_NIC_REG_2(0x03c),
649 NETXEN_NIC_REG_2(0x03c),
654 /* crb_rcv_producer: */
656 NETXEN_NIC_REG(0x22c),
658 NETXEN_NIC_REG(0x23c),
660 NETXEN_NIC_REG(0x24c)
662 /* crb_sts_consumer: */
664 NETXEN_NIC_REG(0x264),
665 NETXEN_NIC_REG_2(0x03c),
666 NETXEN_NIC_REG_2(0x03c),
667 NETXEN_NIC_REG_2(0x03c),
672 NETXEN_NIC_REG_2(0x03c),
673 NETXEN_NIC_REG_2(0x03c),
674 NETXEN_NIC_REG_2(0x03c),
680 netxen_init_old_ctx(struct netxen_adapter *adapter)
682 struct netxen_recv_context *recv_ctx;
683 struct nx_host_rds_ring *rds_ring;
684 struct nx_host_sds_ring *sds_ring;
685 struct nx_host_tx_ring *tx_ring;
687 int port = adapter->portnum;
688 struct netxen_ring_ctx *hwctx;
691 tx_ring = adapter->tx_ring;
692 recv_ctx = &adapter->recv_ctx;
693 hwctx = recv_ctx->hwctx;
695 hwctx->cmd_ring_addr = cpu_to_le64(tx_ring->phys_addr);
696 hwctx->cmd_ring_size = cpu_to_le32(tx_ring->num_desc);
699 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
700 rds_ring = &recv_ctx->rds_rings[ring];
702 hwctx->rcv_rings[ring].addr =
703 cpu_to_le64(rds_ring->phys_addr);
704 hwctx->rcv_rings[ring].size =
705 cpu_to_le32(rds_ring->num_desc);
708 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
709 sds_ring = &recv_ctx->sds_rings[ring];
712 hwctx->sts_ring_addr = cpu_to_le64(sds_ring->phys_addr);
713 hwctx->sts_ring_size = cpu_to_le32(sds_ring->num_desc);
715 hwctx->sts_rings[ring].addr = cpu_to_le64(sds_ring->phys_addr);
716 hwctx->sts_rings[ring].size = cpu_to_le32(sds_ring->num_desc);
717 hwctx->sts_rings[ring].msi_index = cpu_to_le16(ring);
719 hwctx->sts_ring_count = cpu_to_le32(adapter->max_sds_rings);
721 signature = (adapter->max_sds_rings > 1) ?
722 NETXEN_CTX_SIGNATURE_V2 : NETXEN_CTX_SIGNATURE;
724 NXWR32(adapter, CRB_CTX_ADDR_REG_LO(port),
725 lower32(recv_ctx->phys_addr));
726 NXWR32(adapter, CRB_CTX_ADDR_REG_HI(port),
727 upper32(recv_ctx->phys_addr));
728 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
733 int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
738 struct netxen_recv_context *recv_ctx;
739 struct nx_host_rds_ring *rds_ring;
740 struct nx_host_sds_ring *sds_ring;
741 struct nx_host_tx_ring *tx_ring;
743 struct pci_dev *pdev = adapter->pdev;
744 struct net_device *netdev = adapter->netdev;
745 int port = adapter->portnum;
747 recv_ctx = &adapter->recv_ctx;
748 tx_ring = adapter->tx_ring;
750 addr = pci_alloc_consistent(pdev,
751 sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
752 &recv_ctx->phys_addr);
754 dev_err(&pdev->dev, "failed to allocate hw context\n");
758 memset(addr, 0, sizeof(struct netxen_ring_ctx));
759 recv_ctx->hwctx = addr;
760 recv_ctx->hwctx->ctx_id = cpu_to_le32(port);
761 recv_ctx->hwctx->cmd_consumer_offset =
762 cpu_to_le64(recv_ctx->phys_addr +
763 sizeof(struct netxen_ring_ctx));
764 tx_ring->hw_consumer =
765 (__le32 *)(((char *)addr) + sizeof(struct netxen_ring_ctx));
768 addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
769 &tx_ring->phys_addr);
772 dev_err(&pdev->dev, "%s: failed to allocate tx desc ring\n",
778 tx_ring->desc_head = addr;
780 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
781 rds_ring = &recv_ctx->rds_rings[ring];
782 addr = pci_alloc_consistent(adapter->pdev,
783 RCV_DESC_RINGSIZE(rds_ring),
784 &rds_ring->phys_addr);
787 "%s: failed to allocate rds ring [%d]\n",
792 rds_ring->desc_head = addr;
794 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
795 rds_ring->crb_rcv_producer =
796 netxen_get_ioaddr(adapter,
797 recv_crb_registers[port].crb_rcv_producer[ring]);
800 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
801 sds_ring = &recv_ctx->sds_rings[ring];
803 addr = pci_alloc_consistent(adapter->pdev,
804 STATUS_DESC_RINGSIZE(sds_ring),
805 &sds_ring->phys_addr);
808 "%s: failed to allocate sds ring [%d]\n",
813 sds_ring->desc_head = addr;
815 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
816 sds_ring->crb_sts_consumer =
817 netxen_get_ioaddr(adapter,
818 recv_crb_registers[port].crb_sts_consumer[ring]);
820 sds_ring->crb_intr_mask =
821 netxen_get_ioaddr(adapter,
822 recv_crb_registers[port].sw_int_mask[ring]);
827 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
828 if (test_and_set_bit(__NX_FW_ATTACHED, &adapter->state))
830 err = nx_fw_cmd_create_rx_ctx(adapter);
833 err = nx_fw_cmd_create_tx_ctx(adapter);
837 err = netxen_init_old_ctx(adapter);
846 netxen_free_hw_resources(adapter);
850 void netxen_free_hw_resources(struct netxen_adapter *adapter)
852 struct netxen_recv_context *recv_ctx;
853 struct nx_host_rds_ring *rds_ring;
854 struct nx_host_sds_ring *sds_ring;
855 struct nx_host_tx_ring *tx_ring;
858 int port = adapter->portnum;
860 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
861 if (!test_and_clear_bit(__NX_FW_ATTACHED, &adapter->state))
864 nx_fw_cmd_destroy_rx_ctx(adapter);
865 nx_fw_cmd_destroy_tx_ctx(adapter);
867 netxen_api_lock(adapter);
868 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
869 NETXEN_CTX_D3_RESET | port);
870 netxen_api_unlock(adapter);
873 /* Allow dma queues to drain after context reset */
877 recv_ctx = &adapter->recv_ctx;
879 if (recv_ctx->hwctx != NULL) {
880 pci_free_consistent(adapter->pdev,
881 sizeof(struct netxen_ring_ctx) +
884 recv_ctx->phys_addr);
885 recv_ctx->hwctx = NULL;
888 tx_ring = adapter->tx_ring;
889 if (tx_ring->desc_head != NULL) {
890 pci_free_consistent(adapter->pdev,
891 TX_DESC_RINGSIZE(tx_ring),
892 tx_ring->desc_head, tx_ring->phys_addr);
893 tx_ring->desc_head = NULL;
896 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
897 rds_ring = &recv_ctx->rds_rings[ring];
899 if (rds_ring->desc_head != NULL) {
900 pci_free_consistent(adapter->pdev,
901 RCV_DESC_RINGSIZE(rds_ring),
903 rds_ring->phys_addr);
904 rds_ring->desc_head = NULL;
908 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
909 sds_ring = &recv_ctx->sds_rings[ring];
911 if (sds_ring->desc_head != NULL) {
912 pci_free_consistent(adapter->pdev,
913 STATUS_DESC_RINGSIZE(sds_ring),
915 sds_ring->phys_addr);
916 sds_ring->desc_head = NULL;