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 = dma_alloc_coherent(&adapter->pdev->dev, size,
117 &md_template_addr, GFP_KERNEL);
119 dev_err(&adapter->pdev->dev, "Unable to allocate dmable memory for template.\n");
123 memset(&cmd, 0, sizeof(cmd));
124 memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
125 cmd.req.cmd = NX_CDRP_CMD_GET_TEMP_HDR;
126 cmd.req.arg1 = LSD(md_template_addr);
127 cmd.req.arg2 = MSD(md_template_addr);
128 cmd.req.arg3 |= size;
129 netxen_issue_cmd(adapter, &cmd);
131 if ((cmd.rsp.cmd == NX_RCODE_SUCCESS) && (size == cmd.rsp.arg2)) {
132 memcpy(adapter->mdump.md_template, addr, size);
134 dev_err(&adapter->pdev->dev, "Failed to get minidump template, err_code : %d, requested_size : %d, actual_size : %d\n",
135 cmd.rsp.cmd, size, cmd.rsp.arg2);
137 dma_free_coherent(&adapter->pdev->dev, size, addr, md_template_addr);
142 netxen_check_template_checksum(struct netxen_adapter *adapter)
145 u32 *buff = adapter->mdump.md_template;
146 int count = adapter->mdump.md_template_size/sizeof(uint32_t) ;
151 sum = (sum & 0xFFFFFFFF) + (sum >> 32) ;
157 netxen_setup_minidump(struct netxen_adapter *adapter)
160 u32 *template, *tmp_buf;
161 err = netxen_get_minidump_template_size(adapter);
163 adapter->mdump.fw_supports_md = 0;
164 if ((err == NX_RCODE_CMD_INVALID) ||
165 (err == NX_RCODE_CMD_NOT_IMPL)) {
166 dev_info(&adapter->pdev->dev,
167 "Flashed firmware version does not support minidump, minimum version required is [ %u.%u.%u ]\n",
168 NX_MD_SUPPORT_MAJOR, NX_MD_SUPPORT_MINOR,
169 NX_MD_SUPPORT_SUBVERSION);
174 if (!adapter->mdump.md_template_size) {
175 dev_err(&adapter->pdev->dev, "Error : Invalid template size "
176 ",should be non-zero.\n");
179 adapter->mdump.md_template =
180 kmalloc(adapter->mdump.md_template_size, GFP_KERNEL);
182 if (!adapter->mdump.md_template)
185 err = netxen_get_minidump_template(adapter);
187 if (err == NX_RCODE_CMD_NOT_IMPL)
188 adapter->mdump.fw_supports_md = 0;
192 if (netxen_check_template_checksum(adapter)) {
193 dev_err(&adapter->pdev->dev, "Minidump template checksum Error\n");
198 adapter->mdump.md_capture_mask = NX_DUMP_MASK_DEF;
199 tmp_buf = (u32 *) adapter->mdump.md_template;
200 template = (u32 *) adapter->mdump.md_template;
201 for (i = 0; i < adapter->mdump.md_template_size/sizeof(u32); i++)
202 *template++ = __le32_to_cpu(*tmp_buf++);
203 adapter->mdump.md_capture_buff = NULL;
204 adapter->mdump.fw_supports_md = 1;
205 adapter->mdump.md_enabled = 0;
210 kfree(adapter->mdump.md_template);
211 adapter->mdump.md_template = NULL;
217 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu)
219 u32 rcode = NX_RCODE_SUCCESS;
220 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
221 struct netxen_cmd_args cmd;
223 memset(&cmd, 0, sizeof(cmd));
224 cmd.req.cmd = NX_CDRP_CMD_SET_MTU;
225 cmd.req.arg1 = recv_ctx->context_id;
229 if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
230 rcode = netxen_issue_cmd(adapter, &cmd);
232 if (rcode != NX_RCODE_SUCCESS)
239 nx_fw_cmd_set_gbe_port(struct netxen_adapter *adapter,
240 u32 speed, u32 duplex, u32 autoneg)
242 struct netxen_cmd_args cmd;
244 memset(&cmd, 0, sizeof(cmd));
245 cmd.req.cmd = NX_CDRP_CMD_CONFIG_GBE_PORT;
246 cmd.req.arg1 = speed;
247 cmd.req.arg2 = duplex;
248 cmd.req.arg3 = autoneg;
249 return netxen_issue_cmd(adapter, &cmd);
253 nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
256 nx_hostrq_rx_ctx_t *prq;
257 nx_cardrsp_rx_ctx_t *prsp;
258 nx_hostrq_rds_ring_t *prq_rds;
259 nx_hostrq_sds_ring_t *prq_sds;
260 nx_cardrsp_rds_ring_t *prsp_rds;
261 nx_cardrsp_sds_ring_t *prsp_sds;
262 struct nx_host_rds_ring *rds_ring;
263 struct nx_host_sds_ring *sds_ring;
264 struct netxen_cmd_args cmd;
266 dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
269 int i, nrds_rings, nsds_rings;
270 size_t rq_size, rsp_size;
275 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
277 nrds_rings = adapter->max_rds_rings;
278 nsds_rings = adapter->max_sds_rings;
281 SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
283 SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
285 addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
286 &hostrq_phys_addr, GFP_KERNEL);
291 addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
292 &cardrsp_phys_addr, GFP_KERNEL);
299 prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
301 cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
302 cap |= (NX_CAP0_JUMBO_CONTIGUOUS | NX_CAP0_LRO_CONTIGUOUS);
304 if (adapter->flags & NETXEN_FW_MSS_CAP)
305 cap |= NX_CAP0_HW_LRO_MSS;
307 prq->capabilities[0] = cpu_to_le32(cap);
308 prq->host_int_crb_mode =
309 cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
310 prq->host_rds_crb_mode =
311 cpu_to_le32(NX_HOST_RDS_CRB_MODE_UNIQUE);
313 prq->num_rds_rings = cpu_to_le16(nrds_rings);
314 prq->num_sds_rings = cpu_to_le16(nsds_rings);
315 prq->rds_ring_offset = cpu_to_le32(0);
317 val = le32_to_cpu(prq->rds_ring_offset) +
318 (sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
319 prq->sds_ring_offset = cpu_to_le32(val);
321 prq_rds = (nx_hostrq_rds_ring_t *)(prq->data +
322 le32_to_cpu(prq->rds_ring_offset));
324 for (i = 0; i < nrds_rings; i++) {
326 rds_ring = &recv_ctx->rds_rings[i];
328 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
329 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
330 prq_rds[i].ring_kind = cpu_to_le32(i);
331 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
334 prq_sds = (nx_hostrq_sds_ring_t *)(prq->data +
335 le32_to_cpu(prq->sds_ring_offset));
337 for (i = 0; i < nsds_rings; i++) {
339 sds_ring = &recv_ctx->sds_rings[i];
341 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
342 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
343 prq_sds[i].msi_index = cpu_to_le16(i);
346 phys_addr = hostrq_phys_addr;
347 memset(&cmd, 0, sizeof(cmd));
348 cmd.req.arg1 = (u32)(phys_addr >> 32);
349 cmd.req.arg2 = (u32)(phys_addr & 0xffffffff);
350 cmd.req.arg3 = rq_size;
351 cmd.req.cmd = NX_CDRP_CMD_CREATE_RX_CTX;
352 err = netxen_issue_cmd(adapter, &cmd);
355 "Failed to create rx ctx in firmware%d\n", err);
360 prsp_rds = ((nx_cardrsp_rds_ring_t *)
361 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
363 for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
364 rds_ring = &recv_ctx->rds_rings[i];
366 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
367 rds_ring->crb_rcv_producer = netxen_get_ioaddr(adapter,
368 NETXEN_NIC_REG(reg - 0x200));
371 prsp_sds = ((nx_cardrsp_sds_ring_t *)
372 &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
374 for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
375 sds_ring = &recv_ctx->sds_rings[i];
377 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
378 sds_ring->crb_sts_consumer = netxen_get_ioaddr(adapter,
379 NETXEN_NIC_REG(reg - 0x200));
381 reg = le32_to_cpu(prsp_sds[i].interrupt_crb);
382 sds_ring->crb_intr_mask = netxen_get_ioaddr(adapter,
383 NETXEN_NIC_REG(reg - 0x200));
386 recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
387 recv_ctx->context_id = le16_to_cpu(prsp->context_id);
388 recv_ctx->virt_port = prsp->virt_port;
391 dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
394 dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
399 nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
401 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
402 struct netxen_cmd_args cmd;
404 memset(&cmd, 0, sizeof(cmd));
405 cmd.req.arg1 = recv_ctx->context_id;
406 cmd.req.arg2 = NX_DESTROY_CTX_RESET;
408 cmd.req.cmd = NX_CDRP_CMD_DESTROY_RX_CTX;
410 if (netxen_issue_cmd(adapter, &cmd)) {
412 "%s: Failed to destroy rx ctx in firmware\n",
413 netxen_nic_driver_name);
418 nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
420 nx_hostrq_tx_ctx_t *prq;
421 nx_hostrq_cds_ring_t *prq_cds;
422 nx_cardrsp_tx_ctx_t *prsp;
423 void *rq_addr, *rsp_addr;
424 size_t rq_size, rsp_size;
427 u64 offset, phys_addr;
428 dma_addr_t rq_phys_addr, rsp_phys_addr;
429 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
430 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
431 struct netxen_cmd_args cmd;
433 rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
434 rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
435 &rq_phys_addr, GFP_KERNEL);
439 rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
440 rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
441 &rsp_phys_addr, GFP_KERNEL);
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 dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
500 dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
506 nx_fw_cmd_destroy_tx_ctx(struct netxen_adapter *adapter)
508 struct netxen_cmd_args cmd;
510 memset(&cmd, 0, sizeof(cmd));
511 cmd.req.arg1 = adapter->tx_context_id;
512 cmd.req.arg2 = NX_DESTROY_CTX_RESET;
514 cmd.req.cmd = NX_CDRP_CMD_DESTROY_TX_CTX;
515 if (netxen_issue_cmd(adapter, &cmd)) {
517 "%s: Failed to destroy tx ctx in firmware\n",
518 netxen_nic_driver_name);
523 nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val)
526 struct netxen_cmd_args cmd;
528 memset(&cmd, 0, sizeof(cmd));
532 cmd.req.cmd = NX_CDRP_CMD_READ_PHY;
534 rcode = netxen_issue_cmd(adapter, &cmd);
535 if (rcode != NX_RCODE_SUCCESS)
546 nx_fw_cmd_set_phy(struct netxen_adapter *adapter, u32 reg, u32 val)
549 struct netxen_cmd_args cmd;
551 memset(&cmd, 0, sizeof(cmd));
555 cmd.req.cmd = NX_CDRP_CMD_WRITE_PHY;
556 rcode = netxen_issue_cmd(adapter, &cmd);
557 if (rcode != NX_RCODE_SUCCESS)
563 static u64 ctx_addr_sig_regs[][3] = {
564 {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
565 {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
566 {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
567 {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
570 #define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
571 #define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
572 #define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
574 static struct netxen_recv_crb recv_crb_registers[] = {
577 /* crb_rcv_producer: */
579 NETXEN_NIC_REG(0x100),
581 NETXEN_NIC_REG(0x110),
583 NETXEN_NIC_REG(0x120)
585 /* crb_sts_consumer: */
587 NETXEN_NIC_REG(0x138),
588 NETXEN_NIC_REG_2(0x000),
589 NETXEN_NIC_REG_2(0x004),
590 NETXEN_NIC_REG_2(0x008),
595 NETXEN_NIC_REG_2(0x044),
596 NETXEN_NIC_REG_2(0x048),
597 NETXEN_NIC_REG_2(0x04c),
602 /* crb_rcv_producer: */
604 NETXEN_NIC_REG(0x144),
606 NETXEN_NIC_REG(0x154),
608 NETXEN_NIC_REG(0x164)
610 /* crb_sts_consumer: */
612 NETXEN_NIC_REG(0x17c),
613 NETXEN_NIC_REG_2(0x020),
614 NETXEN_NIC_REG_2(0x024),
615 NETXEN_NIC_REG_2(0x028),
620 NETXEN_NIC_REG_2(0x064),
621 NETXEN_NIC_REG_2(0x068),
622 NETXEN_NIC_REG_2(0x06c),
627 /* crb_rcv_producer: */
629 NETXEN_NIC_REG(0x1d8),
631 NETXEN_NIC_REG(0x1f8),
633 NETXEN_NIC_REG(0x208)
635 /* crb_sts_consumer: */
637 NETXEN_NIC_REG(0x220),
638 NETXEN_NIC_REG_2(0x03c),
639 NETXEN_NIC_REG_2(0x03c),
640 NETXEN_NIC_REG_2(0x03c),
645 NETXEN_NIC_REG_2(0x03c),
646 NETXEN_NIC_REG_2(0x03c),
647 NETXEN_NIC_REG_2(0x03c),
652 /* crb_rcv_producer: */
654 NETXEN_NIC_REG(0x22c),
656 NETXEN_NIC_REG(0x23c),
658 NETXEN_NIC_REG(0x24c)
660 /* crb_sts_consumer: */
662 NETXEN_NIC_REG(0x264),
663 NETXEN_NIC_REG_2(0x03c),
664 NETXEN_NIC_REG_2(0x03c),
665 NETXEN_NIC_REG_2(0x03c),
670 NETXEN_NIC_REG_2(0x03c),
671 NETXEN_NIC_REG_2(0x03c),
672 NETXEN_NIC_REG_2(0x03c),
678 netxen_init_old_ctx(struct netxen_adapter *adapter)
680 struct netxen_recv_context *recv_ctx;
681 struct nx_host_rds_ring *rds_ring;
682 struct nx_host_sds_ring *sds_ring;
683 struct nx_host_tx_ring *tx_ring;
685 int port = adapter->portnum;
686 struct netxen_ring_ctx *hwctx;
689 tx_ring = adapter->tx_ring;
690 recv_ctx = &adapter->recv_ctx;
691 hwctx = recv_ctx->hwctx;
693 hwctx->cmd_ring_addr = cpu_to_le64(tx_ring->phys_addr);
694 hwctx->cmd_ring_size = cpu_to_le32(tx_ring->num_desc);
697 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
698 rds_ring = &recv_ctx->rds_rings[ring];
700 hwctx->rcv_rings[ring].addr =
701 cpu_to_le64(rds_ring->phys_addr);
702 hwctx->rcv_rings[ring].size =
703 cpu_to_le32(rds_ring->num_desc);
706 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
707 sds_ring = &recv_ctx->sds_rings[ring];
710 hwctx->sts_ring_addr = cpu_to_le64(sds_ring->phys_addr);
711 hwctx->sts_ring_size = cpu_to_le32(sds_ring->num_desc);
713 hwctx->sts_rings[ring].addr = cpu_to_le64(sds_ring->phys_addr);
714 hwctx->sts_rings[ring].size = cpu_to_le32(sds_ring->num_desc);
715 hwctx->sts_rings[ring].msi_index = cpu_to_le16(ring);
717 hwctx->sts_ring_count = cpu_to_le32(adapter->max_sds_rings);
719 signature = (adapter->max_sds_rings > 1) ?
720 NETXEN_CTX_SIGNATURE_V2 : NETXEN_CTX_SIGNATURE;
722 NXWR32(adapter, CRB_CTX_ADDR_REG_LO(port),
723 lower_32_bits(recv_ctx->phys_addr));
724 NXWR32(adapter, CRB_CTX_ADDR_REG_HI(port),
725 upper_32_bits(recv_ctx->phys_addr));
726 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
731 int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
736 struct netxen_recv_context *recv_ctx;
737 struct nx_host_rds_ring *rds_ring;
738 struct nx_host_sds_ring *sds_ring;
739 struct nx_host_tx_ring *tx_ring;
741 struct pci_dev *pdev = adapter->pdev;
742 struct net_device *netdev = adapter->netdev;
743 int port = adapter->portnum;
745 recv_ctx = &adapter->recv_ctx;
746 tx_ring = adapter->tx_ring;
748 addr = dma_alloc_coherent(&pdev->dev,
749 sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
750 &recv_ctx->phys_addr, GFP_KERNEL);
752 dev_err(&pdev->dev, "failed to allocate hw context\n");
756 recv_ctx->hwctx = addr;
757 recv_ctx->hwctx->ctx_id = cpu_to_le32(port);
758 recv_ctx->hwctx->cmd_consumer_offset =
759 cpu_to_le64(recv_ctx->phys_addr +
760 sizeof(struct netxen_ring_ctx));
761 tx_ring->hw_consumer =
762 (__le32 *)(((char *)addr) + sizeof(struct netxen_ring_ctx));
765 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
766 &tx_ring->phys_addr, GFP_KERNEL);
769 dev_err(&pdev->dev, "%s: failed to allocate tx desc ring\n",
775 tx_ring->desc_head = addr;
777 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
778 rds_ring = &recv_ctx->rds_rings[ring];
779 addr = dma_alloc_coherent(&adapter->pdev->dev,
780 RCV_DESC_RINGSIZE(rds_ring),
781 &rds_ring->phys_addr, GFP_KERNEL);
784 "%s: failed to allocate rds ring [%d]\n",
789 rds_ring->desc_head = addr;
791 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
792 rds_ring->crb_rcv_producer =
793 netxen_get_ioaddr(adapter,
794 recv_crb_registers[port].crb_rcv_producer[ring]);
797 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
798 sds_ring = &recv_ctx->sds_rings[ring];
800 addr = dma_alloc_coherent(&adapter->pdev->dev,
801 STATUS_DESC_RINGSIZE(sds_ring),
802 &sds_ring->phys_addr, GFP_KERNEL);
805 "%s: failed to allocate sds ring [%d]\n",
810 sds_ring->desc_head = addr;
812 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
813 sds_ring->crb_sts_consumer =
814 netxen_get_ioaddr(adapter,
815 recv_crb_registers[port].crb_sts_consumer[ring]);
817 sds_ring->crb_intr_mask =
818 netxen_get_ioaddr(adapter,
819 recv_crb_registers[port].sw_int_mask[ring]);
824 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
825 if (test_and_set_bit(__NX_FW_ATTACHED, &adapter->state))
827 err = nx_fw_cmd_create_rx_ctx(adapter);
830 err = nx_fw_cmd_create_tx_ctx(adapter);
834 err = netxen_init_old_ctx(adapter);
843 netxen_free_hw_resources(adapter);
847 void netxen_free_hw_resources(struct netxen_adapter *adapter)
849 struct netxen_recv_context *recv_ctx;
850 struct nx_host_rds_ring *rds_ring;
851 struct nx_host_sds_ring *sds_ring;
852 struct nx_host_tx_ring *tx_ring;
855 int port = adapter->portnum;
857 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
858 if (!test_and_clear_bit(__NX_FW_ATTACHED, &adapter->state))
861 nx_fw_cmd_destroy_rx_ctx(adapter);
862 nx_fw_cmd_destroy_tx_ctx(adapter);
864 netxen_api_lock(adapter);
865 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
866 NETXEN_CTX_D3_RESET | port);
867 netxen_api_unlock(adapter);
870 /* Allow dma queues to drain after context reset */
874 recv_ctx = &adapter->recv_ctx;
876 if (recv_ctx->hwctx != NULL) {
877 dma_free_coherent(&adapter->pdev->dev,
878 sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
879 recv_ctx->hwctx, recv_ctx->phys_addr);
880 recv_ctx->hwctx = NULL;
883 tx_ring = adapter->tx_ring;
884 if (tx_ring->desc_head != NULL) {
885 dma_free_coherent(&adapter->pdev->dev,
886 TX_DESC_RINGSIZE(tx_ring),
887 tx_ring->desc_head, tx_ring->phys_addr);
888 tx_ring->desc_head = NULL;
891 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
892 rds_ring = &recv_ctx->rds_rings[ring];
894 if (rds_ring->desc_head != NULL) {
895 dma_free_coherent(&adapter->pdev->dev,
896 RCV_DESC_RINGSIZE(rds_ring),
898 rds_ring->phys_addr);
899 rds_ring->desc_head = NULL;
903 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
904 sds_ring = &recv_ctx->sds_rings[ring];
906 if (sds_ring->desc_head != NULL) {
907 dma_free_coherent(&adapter->pdev->dev,
908 STATUS_DESC_RINGSIZE(sds_ring),
910 sds_ring->phys_addr);
911 sds_ring->desc_head = NULL;