2 * This file is part of the Emulex Linux Device Driver for Enterprise iSCSI
3 * Host Bus Adapters. Refer to the README file included with this package
4 * for driver version and adapter compatibility.
6 * Copyright (c) 2018 Broadcom. All Rights Reserved.
7 * The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of version 2 of the GNU General Public License as published
11 * by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful. ALL EXPRESS
14 * OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
15 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
16 * OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH
17 * DISCLAIMERS ARE HELD TO BE LEGALLY INVALID.
18 * See the GNU General Public License for more details, a copy of which
19 * can be found in the file COPYING included with this package.
21 * Contact Information:
22 * linux-drivers@broadcom.com
26 #include <linux/bsg-lib.h>
27 #include <scsi/scsi_transport_iscsi.h>
28 #include <scsi/scsi_bsg_iscsi.h>
33 unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
34 struct beiscsi_hba *phba,
36 struct be_dma_mem *nonemb_cmd)
38 struct be_mcc_wrb *wrb;
39 struct be_sge *mcc_sge;
41 struct iscsi_bsg_request *bsg_req = job->request;
42 struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
43 unsigned short region, sector_size, sector, offset;
45 nonemb_cmd->size = job->request_payload.payload_len;
46 memset(nonemb_cmd->va, 0, nonemb_cmd->size);
47 region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
48 sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
49 sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
50 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[4];
55 if (mutex_lock_interruptible(&ctrl->mbox_lock))
57 switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
58 case BEISCSI_WRITE_FLASH:
59 offset = sector * sector_size + offset;
60 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
61 OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
62 sg_copy_to_buffer(job->request_payload.sg_list,
63 job->request_payload.sg_cnt,
64 nonemb_cmd->va + offset, job->request_len);
66 case BEISCSI_READ_FLASH:
67 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
68 OPCODE_COMMON_READ_FLASH, sizeof(*req));
71 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
72 "BG_%d : Unsupported cmd = 0x%x\n\n",
73 bsg_req->rqst_data.h_vendor.vendor_cmd[0]);
75 mutex_unlock(&ctrl->mbox_lock);
79 wrb = alloc_mcc_wrb(phba, &tag);
81 mutex_unlock(&ctrl->mbox_lock);
85 mcc_sge = nonembedded_sgl(wrb);
86 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
87 job->request_payload.sg_cnt);
88 mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
89 mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
90 mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
92 be_mcc_notify(phba, tag);
94 mutex_unlock(&ctrl->mbox_lock);
99 * mgmt_open_connection()- Establish a TCP CXN
100 * @phba: driver priv structure
101 * @dst_addr: Destination Address
102 * @beiscsi_ep: ptr to device endpoint struct
103 * @nonemb_cmd: ptr to memory allocated for command
106 * Success: Tag number of the MBX Command issued
107 * Failure: Error code
109 int mgmt_open_connection(struct beiscsi_hba *phba,
110 struct sockaddr *dst_addr,
111 struct beiscsi_endpoint *beiscsi_ep,
112 struct be_dma_mem *nonemb_cmd)
114 struct hwi_controller *phwi_ctrlr;
115 struct hwi_context_memory *phwi_context;
116 struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
117 struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
118 struct be_ctrl_info *ctrl = &phba->ctrl;
119 struct be_mcc_wrb *wrb;
120 struct tcp_connect_and_offload_in_v1 *req;
121 unsigned short def_hdr_id;
122 unsigned short def_data_id;
123 struct phys_addr template_address = { 0, 0 };
124 struct phys_addr *ptemplate_address;
125 unsigned int tag = 0;
126 unsigned int i, ulp_num;
127 unsigned short cid = beiscsi_ep->ep_cid;
130 if (dst_addr->sa_family != PF_INET && dst_addr->sa_family != PF_INET6) {
131 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
132 "BG_%d : unknown addr family %d\n",
133 dst_addr->sa_family);
137 phwi_ctrlr = phba->phwi_ctrlr;
138 phwi_context = phwi_ctrlr->phwi_ctxt;
140 ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num;
142 def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num);
143 def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num);
145 ptemplate_address = &template_address;
146 ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
147 if (mutex_lock_interruptible(&ctrl->mbox_lock))
149 wrb = alloc_mcc_wrb(phba, &tag);
151 mutex_unlock(&ctrl->mbox_lock);
155 sge = nonembedded_sgl(wrb);
156 req = nonemb_cmd->va;
157 memset(req, 0, sizeof(*req));
159 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
160 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
161 OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
163 if (dst_addr->sa_family == PF_INET) {
164 __be32 s_addr = daddr_in->sin_addr.s_addr;
165 req->ip_address.ip_type = BEISCSI_IP_TYPE_V4;
166 req->ip_address.addr[0] = s_addr & 0x000000ff;
167 req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
168 req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
169 req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
170 req->tcp_port = ntohs(daddr_in->sin_port);
171 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
172 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
173 beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V4;
175 /* else its PF_INET6 family */
176 req->ip_address.ip_type = BEISCSI_IP_TYPE_V6;
177 memcpy(&req->ip_address.addr,
178 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
179 req->tcp_port = ntohs(daddr_in6->sin6_port);
180 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
181 memcpy(&beiscsi_ep->dst6_addr,
182 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
183 beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V6;
186 i = phba->nxt_cqid++;
187 if (phba->nxt_cqid == phba->num_cpus)
189 req->cq_id = phwi_context->be_cq[i].id;
190 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
191 "BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
192 req->defq_id = def_hdr_id;
193 req->hdr_ring_id = def_hdr_id;
194 req->data_ring_id = def_data_id;
196 req->dataout_template_pa.lo = ptemplate_address->lo;
197 req->dataout_template_pa.hi = ptemplate_address->hi;
198 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
199 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
200 sge->len = cpu_to_le32(nonemb_cmd->size);
202 if (!is_chip_be2_be3r(phba)) {
203 req->hdr.version = MBX_CMD_VER1;
204 req->tcp_window_size = 0x8000;
205 req->tcp_window_scale_count = 2;
208 be_mcc_notify(phba, tag);
209 mutex_unlock(&ctrl->mbox_lock);
214 * beiscsi_exec_nemb_cmd()- execute non-embedded MBX cmd
215 * @phba: driver priv structure
216 * @nonemb_cmd: DMA address of the MBX command to be issued
217 * @cbfn: callback func on MCC completion
218 * @resp_buf: buffer to copy the MBX cmd response
219 * @resp_buf_len: response length to be copied
222 static int beiscsi_exec_nemb_cmd(struct beiscsi_hba *phba,
223 struct be_dma_mem *nonemb_cmd,
224 void (*cbfn)(struct beiscsi_hba *,
226 void *resp_buf, u32 resp_buf_len)
228 struct be_ctrl_info *ctrl = &phba->ctrl;
229 struct be_mcc_wrb *wrb;
234 mutex_lock(&ctrl->mbox_lock);
235 wrb = alloc_mcc_wrb(phba, &tag);
237 mutex_unlock(&ctrl->mbox_lock);
241 sge = nonembedded_sgl(wrb);
242 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
243 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
244 sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd->dma));
245 sge->len = cpu_to_le32(nonemb_cmd->size);
248 struct be_dma_mem *tag_mem;
250 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
251 ctrl->ptag_state[tag].cbfn = cbfn;
252 tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
254 /* store DMA mem to be freed in callback */
255 tag_mem->size = nonemb_cmd->size;
256 tag_mem->va = nonemb_cmd->va;
257 tag_mem->dma = nonemb_cmd->dma;
259 be_mcc_notify(phba, tag);
260 mutex_unlock(&ctrl->mbox_lock);
262 /* with cbfn set, its async cmd, don't wait */
266 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, nonemb_cmd);
268 /* copy the response, if any */
270 memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
274 static int beiscsi_prep_nemb_cmd(struct beiscsi_hba *phba,
275 struct be_dma_mem *cmd,
276 u8 subsystem, u8 opcode, u32 size)
278 cmd->va = dma_alloc_coherent(&phba->ctrl.pdev->dev, size, &cmd->dma,
281 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
282 "BG_%d : Failed to allocate memory for if info\n");
286 be_cmd_hdr_prepare(cmd->va, subsystem, opcode, size);
287 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
288 "BG_%d : subsystem %u cmd %u size %u\n",
289 subsystem, opcode, size);
293 static void beiscsi_free_nemb_cmd(struct beiscsi_hba *phba,
294 struct be_dma_mem *cmd, int rc)
297 * If FW is busy the DMA buffer is saved with the tag. When the cmd
298 * completes this buffer is freed.
303 dma_free_coherent(&phba->ctrl.pdev->dev, cmd->size, cmd->va, cmd->dma);
306 static void __beiscsi_eq_delay_compl(struct beiscsi_hba *phba, unsigned int tag)
308 struct be_dma_mem *tag_mem;
310 /* status is ignored */
311 __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
312 tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
314 dma_free_coherent(&phba->pcidev->dev, tag_mem->size,
315 tag_mem->va, tag_mem->dma);
320 int beiscsi_modify_eq_delay(struct beiscsi_hba *phba,
321 struct be_set_eqd *set_eqd, int num)
323 struct be_cmd_req_modify_eq_delay *req;
324 struct be_dma_mem nonemb_cmd;
327 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_COMMON,
328 OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
333 req->num_eq = cpu_to_le32(num);
334 for (i = 0; i < num; i++) {
335 req->delay[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
336 req->delay[i].phase = 0;
337 req->delay[i].delay_multiplier =
338 cpu_to_le32(set_eqd[i].delay_multiplier);
341 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, __beiscsi_eq_delay_compl,
345 * Only free on failure. Async cmds are handled like -EBUSY
346 * where it's handled for us.
348 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
354 * beiscsi_get_initiator_name - read initiator name from flash
355 * @phba: device priv structure
356 * @name: buffer pointer
357 * @cfg: fetch user configured
360 int beiscsi_get_initiator_name(struct beiscsi_hba *phba, char *name, bool cfg)
362 struct be_dma_mem nonemb_cmd;
363 struct be_cmd_hba_name resp;
364 struct be_cmd_hba_name *req;
367 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI_INI,
368 OPCODE_ISCSI_INI_CFG_GET_HBA_NAME, sizeof(resp));
374 req->hdr.version = 1;
375 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL,
376 &resp, sizeof(resp));
377 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
379 beiscsi_log(phba, KERN_ERR,
380 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
381 "BS_%d : Initiator Name MBX Failed\n");
384 rc = sprintf(name, "%s\n", resp.initiator_name);
388 unsigned int beiscsi_if_get_handle(struct beiscsi_hba *phba)
390 struct be_ctrl_info *ctrl = &phba->ctrl;
391 struct be_mcc_wrb *wrb;
392 struct be_cmd_get_all_if_id_req *req;
393 struct be_cmd_get_all_if_id_req *pbe_allid;
397 if (mutex_lock_interruptible(&ctrl->mbox_lock))
399 wrb = alloc_mcc_wrb(phba, &tag);
401 mutex_unlock(&ctrl->mbox_lock);
405 req = embedded_payload(wrb);
406 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
407 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
408 OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
410 be_mcc_notify(phba, tag);
411 mutex_unlock(&ctrl->mbox_lock);
413 status = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
415 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
416 "BG_%d : %s failed: %d\n", __func__, status);
420 pbe_allid = embedded_payload(wrb);
421 /* we now support only one interface per function */
422 phba->interface_handle = pbe_allid->if_hndl_list[0];
427 static inline bool beiscsi_if_zero_ip(u8 *ip, u32 ip_type)
431 len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
432 while (len && !ip[len - 1])
437 static int beiscsi_if_mod_gw(struct beiscsi_hba *phba,
438 u32 action, u32 ip_type, u8 *gw)
440 struct be_cmd_set_def_gateway_req *req;
441 struct be_dma_mem nonemb_cmd;
444 rt_val = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
445 OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
451 req->action = action;
452 req->ip_addr.ip_type = ip_type;
453 memcpy(req->ip_addr.addr, gw,
454 (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN);
455 rt_val = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
456 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rt_val);
460 int beiscsi_if_set_gw(struct beiscsi_hba *phba, u32 ip_type, u8 *gw)
462 struct be_cmd_get_def_gateway_resp gw_resp;
465 memset(&gw_resp, 0, sizeof(gw_resp));
466 rt_val = beiscsi_if_get_gw(phba, ip_type, &gw_resp);
468 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
469 "BG_%d : Failed to Get Gateway Addr\n");
473 if (!beiscsi_if_zero_ip(gw_resp.ip_addr.addr, ip_type)) {
474 rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_DEL, ip_type,
475 gw_resp.ip_addr.addr);
477 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
478 "BG_%d : Failed to clear Gateway Addr Set\n");
483 rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_ADD, ip_type, gw);
485 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
486 "BG_%d : Failed to Set Gateway Addr\n");
491 int beiscsi_if_get_gw(struct beiscsi_hba *phba, u32 ip_type,
492 struct be_cmd_get_def_gateway_resp *resp)
494 struct be_cmd_get_def_gateway_req *req;
495 struct be_dma_mem nonemb_cmd;
498 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
499 OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
505 req->ip_type = ip_type;
507 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, resp,
509 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
514 beiscsi_if_clr_ip(struct beiscsi_hba *phba,
515 struct be_cmd_get_if_info_resp *if_info)
517 struct be_cmd_set_ip_addr_req *req;
518 struct be_dma_mem nonemb_cmd;
521 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
522 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
528 req->ip_params.record_entry_count = 1;
529 req->ip_params.ip_record.action = IP_ACTION_DEL;
530 req->ip_params.ip_record.interface_hndl =
531 phba->interface_handle;
532 req->ip_params.ip_record.ip_addr.size_of_structure =
533 sizeof(struct be_ip_addr_subnet_format);
534 req->ip_params.ip_record.ip_addr.ip_type = if_info->ip_addr.ip_type;
535 memcpy(req->ip_params.ip_record.ip_addr.addr,
536 if_info->ip_addr.addr,
537 sizeof(if_info->ip_addr.addr));
538 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
539 if_info->ip_addr.subnet_mask,
540 sizeof(if_info->ip_addr.subnet_mask));
541 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
542 if (rc < 0 || req->ip_params.ip_record.status) {
543 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
544 "BG_%d : failed to clear IP: rc %d status %d\n",
545 rc, req->ip_params.ip_record.status);
547 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
552 beiscsi_if_set_ip(struct beiscsi_hba *phba, u8 *ip,
553 u8 *subnet, u32 ip_type)
555 struct be_cmd_set_ip_addr_req *req;
556 struct be_dma_mem nonemb_cmd;
560 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
561 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
567 req->ip_params.record_entry_count = 1;
568 req->ip_params.ip_record.action = IP_ACTION_ADD;
569 req->ip_params.ip_record.interface_hndl =
570 phba->interface_handle;
571 req->ip_params.ip_record.ip_addr.size_of_structure =
572 sizeof(struct be_ip_addr_subnet_format);
573 req->ip_params.ip_record.ip_addr.ip_type = ip_type;
574 ip_len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
575 memcpy(req->ip_params.ip_record.ip_addr.addr, ip, ip_len);
577 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
580 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
582 * In some cases, host needs to look into individual record status
583 * even though FW reported success for that IOCTL.
585 if (rc < 0 || req->ip_params.ip_record.status) {
586 __beiscsi_log(phba, KERN_ERR,
587 "BG_%d : failed to set IP: rc %d status %d\n",
588 rc, req->ip_params.ip_record.status);
589 if (req->ip_params.ip_record.status)
592 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
596 int beiscsi_if_en_static(struct beiscsi_hba *phba, u32 ip_type,
599 struct be_cmd_get_if_info_resp *if_info;
600 struct be_cmd_rel_dhcp_req *reldhcp;
601 struct be_dma_mem nonemb_cmd;
604 rc = beiscsi_if_get_info(phba, ip_type, &if_info);
608 if (if_info->dhcp_state) {
609 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd,
611 OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
616 reldhcp = nonemb_cmd.va;
617 reldhcp->interface_hndl = phba->interface_handle;
618 reldhcp->ip_type = ip_type;
619 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
620 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
622 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
623 "BG_%d : failed to release existing DHCP: %d\n",
629 /* first delete any IP set */
630 if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) {
631 rc = beiscsi_if_clr_ip(phba, if_info);
636 /* if ip == NULL then this is called just to release DHCP IP */
638 rc = beiscsi_if_set_ip(phba, ip, subnet, ip_type);
644 int beiscsi_if_en_dhcp(struct beiscsi_hba *phba, u32 ip_type)
646 struct be_cmd_get_def_gateway_resp gw_resp;
647 struct be_cmd_get_if_info_resp *if_info;
648 struct be_cmd_set_dhcp_req *dhcpreq;
649 struct be_dma_mem nonemb_cmd;
653 rc = beiscsi_if_get_info(phba, ip_type, &if_info);
657 if (if_info->dhcp_state) {
658 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
659 "BG_%d : DHCP Already Enabled\n");
663 /* first delete any IP set */
664 if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) {
665 rc = beiscsi_if_clr_ip(phba, if_info);
670 /* delete gateway settings if mode change is to DHCP */
671 memset(&gw_resp, 0, sizeof(gw_resp));
672 /* use ip_type provided in if_info */
673 rc = beiscsi_if_get_gw(phba, if_info->ip_addr.ip_type, &gw_resp);
675 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
676 "BG_%d : Failed to Get Gateway Addr\n");
679 gw = (u8 *)&gw_resp.ip_addr.addr;
680 if (!beiscsi_if_zero_ip(gw, if_info->ip_addr.ip_type)) {
681 rc = beiscsi_if_mod_gw(phba, IP_ACTION_DEL,
682 if_info->ip_addr.ip_type, gw);
684 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
685 "BG_%d : Failed to clear Gateway Addr Set\n");
690 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
691 OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
696 dhcpreq = nonemb_cmd.va;
697 dhcpreq->flags = 1; /* 1 - blocking; 0 - non-blocking */
698 dhcpreq->retry_count = 1;
699 dhcpreq->interface_hndl = phba->interface_handle;
700 dhcpreq->ip_type = ip_type;
701 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
702 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
709 * beiscsi_if_set_vlan()- Issue and wait for CMD completion
710 * @phba: device private structure instance
711 * @vlan_tag: VLAN tag
713 * Issue the MBX Cmd and wait for the completion of the
718 * Failure: Non-Xero Value
720 int beiscsi_if_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag)
725 tag = be_cmd_set_vlan(phba, vlan_tag);
727 beiscsi_log(phba, KERN_ERR,
728 (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
729 "BG_%d : VLAN Setting Failed\n");
733 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
735 beiscsi_log(phba, KERN_ERR,
736 (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
737 "BS_%d : VLAN MBX Cmd Failed\n");
744 int beiscsi_if_get_info(struct beiscsi_hba *phba, int ip_type,
745 struct be_cmd_get_if_info_resp **if_info)
747 struct be_cmd_get_if_info_req *req;
748 struct be_dma_mem nonemb_cmd;
749 uint32_t ioctl_size = sizeof(struct be_cmd_get_if_info_resp);
752 rc = beiscsi_if_get_handle(phba);
757 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd,
759 OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
765 req->interface_hndl = phba->interface_handle;
766 req->ip_type = ip_type;
768 /* Allocate memory for if_info */
769 *if_info = kzalloc(ioctl_size, GFP_KERNEL);
771 beiscsi_log(phba, KERN_ERR,
772 BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
773 "BG_%d : Memory Allocation Failure\n");
775 beiscsi_free_nemb_cmd(phba, &nonemb_cmd,
780 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, *if_info,
783 /* Check if the error is because of Insufficent_Buffer */
786 /* Get the new memory size */
787 ioctl_size = ((struct be_cmd_resp_hdr *)
788 nonemb_cmd.va)->actual_resp_len;
789 ioctl_size += sizeof(struct be_cmd_req_hdr);
791 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
792 /* Free the virtual memory */
795 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
802 int mgmt_get_nic_conf(struct beiscsi_hba *phba,
803 struct be_cmd_get_nic_conf_resp *nic)
805 struct be_dma_mem nonemb_cmd;
808 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
809 OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
814 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, nic, sizeof(*nic));
815 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
819 static void beiscsi_boot_process_compl(struct beiscsi_hba *phba,
822 struct be_cmd_get_boot_target_resp *boot_resp;
823 struct be_cmd_resp_logout_fw_sess *logo_resp;
824 struct be_cmd_get_session_resp *sess_resp;
825 struct be_mcc_wrb *wrb;
826 struct boot_struct *bs;
827 int boot_work, status;
829 if (!test_bit(BEISCSI_HBA_BOOT_WORK, &phba->state)) {
830 __beiscsi_log(phba, KERN_ERR,
831 "BG_%d : %s no boot work %lx\n",
832 __func__, phba->state);
836 if (phba->boot_struct.tag != tag) {
837 __beiscsi_log(phba, KERN_ERR,
838 "BG_%d : %s tag mismatch %d:%d\n",
839 __func__, tag, phba->boot_struct.tag);
842 bs = &phba->boot_struct;
845 switch (bs->action) {
846 case BEISCSI_BOOT_REOPEN_SESS:
847 status = __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
849 bs->action = BEISCSI_BOOT_GET_SHANDLE;
853 case BEISCSI_BOOT_GET_SHANDLE:
854 status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
856 boot_resp = embedded_payload(wrb);
857 bs->s_handle = boot_resp->boot_session_handle;
859 if (bs->s_handle == BE_BOOT_INVALID_SHANDLE) {
860 bs->action = BEISCSI_BOOT_REOPEN_SESS;
863 bs->action = BEISCSI_BOOT_GET_SINFO;
866 case BEISCSI_BOOT_GET_SINFO:
867 status = __beiscsi_mcc_compl_status(phba, tag, NULL,
870 sess_resp = bs->nonemb_cmd.va;
871 memcpy(&bs->boot_sess, &sess_resp->session_info,
872 sizeof(struct mgmt_session_info));
873 bs->action = BEISCSI_BOOT_LOGOUT_SESS;
875 __beiscsi_log(phba, KERN_ERR,
876 "BG_%d : get boot session info error : 0x%x\n",
880 dma_free_coherent(&phba->ctrl.pdev->dev, bs->nonemb_cmd.size,
881 bs->nonemb_cmd.va, bs->nonemb_cmd.dma);
882 bs->nonemb_cmd.va = NULL;
884 case BEISCSI_BOOT_LOGOUT_SESS:
885 status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
887 logo_resp = embedded_payload(wrb);
888 if (logo_resp->session_status != BE_SESS_STATUS_CLOSE) {
889 __beiscsi_log(phba, KERN_ERR,
890 "BG_%d : FW boot session logout error : 0x%x\n",
891 logo_resp->session_status);
894 /* continue to create boot_kset even if logout failed? */
895 bs->action = BEISCSI_BOOT_CREATE_KSET;
901 /* clear the tag so no other completion matches this tag */
905 __beiscsi_log(phba, KERN_ERR,
906 "BG_%d : failed to setup boot target: status %d action %d\n",
910 /* wait for next event to start boot_work */
911 clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state);
914 schedule_work(&phba->boot_work);
918 * beiscsi_boot_logout_sess()- Logout from boot FW session
919 * @phba: Device priv structure instance
922 * the TAG used for MBOX Command
925 unsigned int beiscsi_boot_logout_sess(struct beiscsi_hba *phba)
927 struct be_ctrl_info *ctrl = &phba->ctrl;
928 struct be_mcc_wrb *wrb;
929 struct be_cmd_req_logout_fw_sess *req;
932 mutex_lock(&ctrl->mbox_lock);
933 wrb = alloc_mcc_wrb(phba, &tag);
935 mutex_unlock(&ctrl->mbox_lock);
939 req = embedded_payload(wrb);
940 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
941 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
942 OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET,
943 sizeof(struct be_cmd_req_logout_fw_sess));
944 /* Use the session handle copied into boot_sess */
945 req->session_handle = phba->boot_struct.boot_sess.session_handle;
947 phba->boot_struct.tag = tag;
948 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
949 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
951 be_mcc_notify(phba, tag);
952 mutex_unlock(&ctrl->mbox_lock);
957 * beiscsi_boot_reopen_sess()- Reopen boot session
958 * @phba: Device priv structure instance
961 * the TAG used for MBOX Command
964 unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba)
966 struct be_ctrl_info *ctrl = &phba->ctrl;
967 struct be_mcc_wrb *wrb;
968 struct be_cmd_reopen_session_req *req;
971 mutex_lock(&ctrl->mbox_lock);
972 wrb = alloc_mcc_wrb(phba, &tag);
974 mutex_unlock(&ctrl->mbox_lock);
978 req = embedded_payload(wrb);
979 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
980 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
981 OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
982 sizeof(struct be_cmd_reopen_session_resp));
983 req->reopen_type = BE_REOPEN_BOOT_SESSIONS;
984 req->session_handle = BE_BOOT_INVALID_SHANDLE;
986 phba->boot_struct.tag = tag;
987 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
988 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
990 be_mcc_notify(phba, tag);
991 mutex_unlock(&ctrl->mbox_lock);
997 * beiscsi_boot_get_sinfo()- Get boot session info
998 * @phba: device priv structure instance
1000 * Fetches the boot_struct.s_handle info from FW.
1002 * the TAG used for MBOX Command
1005 unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
1007 struct be_ctrl_info *ctrl = &phba->ctrl;
1008 struct be_cmd_get_session_req *req;
1009 struct be_dma_mem *nonemb_cmd;
1010 struct be_mcc_wrb *wrb;
1014 mutex_lock(&ctrl->mbox_lock);
1015 wrb = alloc_mcc_wrb(phba, &tag);
1017 mutex_unlock(&ctrl->mbox_lock);
1021 nonemb_cmd = &phba->boot_struct.nonemb_cmd;
1022 nonemb_cmd->size = sizeof(struct be_cmd_get_session_resp);
1023 nonemb_cmd->va = dma_alloc_coherent(&phba->ctrl.pdev->dev,
1027 if (!nonemb_cmd->va) {
1028 mutex_unlock(&ctrl->mbox_lock);
1032 req = nonemb_cmd->va;
1033 memset(req, 0, sizeof(*req));
1034 sge = nonembedded_sgl(wrb);
1035 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
1036 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
1037 OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
1038 sizeof(struct be_cmd_get_session_resp));
1039 req->session_handle = phba->boot_struct.s_handle;
1040 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
1041 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
1042 sge->len = cpu_to_le32(nonemb_cmd->size);
1044 phba->boot_struct.tag = tag;
1045 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
1046 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
1048 be_mcc_notify(phba, tag);
1049 mutex_unlock(&ctrl->mbox_lock);
1053 unsigned int __beiscsi_boot_get_shandle(struct beiscsi_hba *phba, int async)
1055 struct be_ctrl_info *ctrl = &phba->ctrl;
1056 struct be_mcc_wrb *wrb;
1057 struct be_cmd_get_boot_target_req *req;
1060 mutex_lock(&ctrl->mbox_lock);
1061 wrb = alloc_mcc_wrb(phba, &tag);
1063 mutex_unlock(&ctrl->mbox_lock);
1067 req = embedded_payload(wrb);
1068 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
1069 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
1070 OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
1071 sizeof(struct be_cmd_get_boot_target_resp));
1074 phba->boot_struct.tag = tag;
1075 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
1076 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
1079 be_mcc_notify(phba, tag);
1080 mutex_unlock(&ctrl->mbox_lock);
1085 * beiscsi_boot_get_shandle()- Get boot session handle
1086 * @phba: device priv structure instance
1087 * @s_handle: session handle returned for boot session.
1094 int beiscsi_boot_get_shandle(struct beiscsi_hba *phba, unsigned int *s_handle)
1096 struct be_cmd_get_boot_target_resp *boot_resp;
1097 struct be_mcc_wrb *wrb;
1101 *s_handle = BE_BOOT_INVALID_SHANDLE;
1102 /* get configured boot session count and handle */
1103 tag = __beiscsi_boot_get_shandle(phba, 0);
1105 beiscsi_log(phba, KERN_ERR,
1106 BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
1107 "BG_%d : Getting Boot Target Info Failed\n");
1111 rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
1113 beiscsi_log(phba, KERN_ERR,
1114 BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1115 "BG_%d : MBX CMD get_boot_target Failed\n");
1119 boot_resp = embedded_payload(wrb);
1120 /* check if there are any boot targets configured */
1121 if (!boot_resp->boot_session_count) {
1122 __beiscsi_log(phba, KERN_INFO,
1123 "BG_%d : No boot targets configured\n");
1127 /* only if FW has logged in to the boot target, s_handle is valid */
1128 *s_handle = boot_resp->boot_session_handle;
1133 * beiscsi_drvr_ver_disp()- Display the driver Name and Version
1134 * @dev: ptr to device not used.
1135 * @attr: device attribute, not used.
1136 * @buf: contains formatted text driver name and version
1139 * size of the formatted string
1142 beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
1145 return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
1149 * beiscsi_fw_ver_disp()- Display Firmware Version
1150 * @dev: ptr to device not used.
1151 * @attr: device attribute, not used.
1152 * @buf: contains formatted text Firmware version
1155 * size of the formatted string
1158 beiscsi_fw_ver_disp(struct device *dev, struct device_attribute *attr,
1161 struct Scsi_Host *shost = class_to_shost(dev);
1162 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1164 return snprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str);
1168 * beiscsi_active_session_disp()- Display Sessions Active
1169 * @dev: ptr to device not used.
1170 * @attr: device attribute, not used.
1171 * @buf: contains formatted text Session Count
1174 * size of the formatted string
1177 beiscsi_active_session_disp(struct device *dev, struct device_attribute *attr,
1180 struct Scsi_Host *shost = class_to_shost(dev);
1181 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1182 uint16_t avlbl_cids = 0, ulp_num, len = 0, total_cids = 0;
1184 for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
1185 if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) {
1186 avlbl_cids = BEISCSI_ULP_AVLBL_CID(phba, ulp_num);
1187 total_cids = BEISCSI_GET_CID_COUNT(phba, ulp_num);
1188 len += scnprintf(buf+len, PAGE_SIZE - len,
1189 "ULP%d : %d\n", ulp_num,
1190 (total_cids - avlbl_cids));
1192 len += scnprintf(buf+len, PAGE_SIZE - len,
1193 "ULP%d : %d\n", ulp_num, 0);
1200 * beiscsi_free_session_disp()- Display Avaliable Session
1201 * @dev: ptr to device not used.
1202 * @attr: device attribute, not used.
1203 * @buf: contains formatted text Session Count
1206 * size of the formatted string
1209 beiscsi_free_session_disp(struct device *dev, struct device_attribute *attr,
1212 struct Scsi_Host *shost = class_to_shost(dev);
1213 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1214 uint16_t ulp_num, len = 0;
1216 for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
1217 if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported))
1218 len += scnprintf(buf+len, PAGE_SIZE - len,
1219 "ULP%d : %d\n", ulp_num,
1220 BEISCSI_ULP_AVLBL_CID(phba, ulp_num));
1222 len += scnprintf(buf+len, PAGE_SIZE - len,
1223 "ULP%d : %d\n", ulp_num, 0);
1230 * beiscsi_adap_family_disp()- Display adapter family.
1231 * @dev: ptr to device to get priv structure
1232 * @attr: device attribute, not used.
1233 * @buf: contains formatted text driver name and version
1236 * size of the formatted string
1239 beiscsi_adap_family_disp(struct device *dev, struct device_attribute *attr,
1242 uint16_t dev_id = 0;
1243 struct Scsi_Host *shost = class_to_shost(dev);
1244 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1246 dev_id = phba->pcidev->device;
1251 return snprintf(buf, PAGE_SIZE,
1252 "Obsolete/Unsupported BE2 Adapter Family\n");
1255 return snprintf(buf, PAGE_SIZE, "BE3-R Adapter Family\n");
1257 return snprintf(buf, PAGE_SIZE, "Skyhawk-R Adapter Family\n");
1259 return snprintf(buf, PAGE_SIZE,
1260 "Unknown Adapter Family: 0x%x\n", dev_id);
1265 * beiscsi_phys_port_disp()- Display Physical Port Identifier
1266 * @dev: ptr to device not used.
1267 * @attr: device attribute, not used.
1268 * @buf: contains formatted text port identifier
1271 * size of the formatted string
1274 beiscsi_phys_port_disp(struct device *dev, struct device_attribute *attr,
1277 struct Scsi_Host *shost = class_to_shost(dev);
1278 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1280 return snprintf(buf, PAGE_SIZE, "Port Identifier : %u\n",
1281 phba->fw_config.phys_port);
1284 void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
1285 struct wrb_handle *pwrb_handle,
1286 struct be_mem_descriptor *mem_descr,
1287 struct hwi_wrb_context *pwrb_context)
1289 struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
1291 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1292 max_send_data_segment_length, pwrb,
1293 params->dw[offsetof(struct amap_beiscsi_offload_params,
1294 max_send_data_segment_length) / 32]);
1295 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb,
1296 BE_TGT_CTX_UPDT_CMD);
1297 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1300 params->dw[offsetof(struct amap_beiscsi_offload_params,
1301 first_burst_length) / 32]);
1302 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb,
1303 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1304 erl) / 32] & OFFLD_PARAMS_ERL));
1305 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb,
1306 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1307 dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
1308 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb,
1309 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1310 hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
1311 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb,
1312 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1313 ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
1314 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb,
1315 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1316 imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
1317 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn,
1319 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1320 exp_statsn) / 32] + 1));
1321 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx,
1322 pwrb, pwrb_handle->wrb_index);
1324 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1325 max_burst_length, pwrb, params->dw[offsetof
1326 (struct amap_beiscsi_offload_params,
1327 max_burst_length) / 32]);
1329 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb,
1330 pwrb, pwrb_handle->wrb_index);
1331 if (pwrb_context->plast_wrb)
1332 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1334 pwrb_context->plast_wrb,
1335 pwrb_handle->wrb_index);
1336 pwrb_context->plast_wrb = pwrb;
1338 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1339 session_state, pwrb, 0);
1340 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack,
1342 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq,
1344 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb,
1347 mem_descr += ISCSI_MEM_GLOBAL_HEADER;
1348 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1349 pad_buffer_addr_hi, pwrb,
1350 mem_descr->mem_array[0].bus_address.u.a32.address_hi);
1351 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1352 pad_buffer_addr_lo, pwrb,
1353 mem_descr->mem_array[0].bus_address.u.a32.address_lo);
1356 void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
1357 struct wrb_handle *pwrb_handle,
1358 struct hwi_wrb_context *pwrb_context)
1360 struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
1362 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1363 max_burst_length, pwrb, params->dw[offsetof
1364 (struct amap_beiscsi_offload_params,
1365 max_burst_length) / 32]);
1366 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1368 BE_TGT_CTX_UPDT_CMD);
1369 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1371 pwrb, pwrb_handle->wrb_index);
1372 if (pwrb_context->plast_wrb)
1373 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1375 pwrb_context->plast_wrb,
1376 pwrb_handle->wrb_index);
1377 pwrb_context->plast_wrb = pwrb;
1379 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx,
1380 pwrb, pwrb_handle->wrb_index);
1381 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1382 max_send_data_segment_length, pwrb,
1383 params->dw[offsetof(struct amap_beiscsi_offload_params,
1384 max_send_data_segment_length) / 32]);
1385 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1386 first_burst_length, pwrb,
1387 params->dw[offsetof(struct amap_beiscsi_offload_params,
1388 first_burst_length) / 32]);
1389 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1390 max_recv_dataseg_len, pwrb,
1391 params->dw[offsetof(struct amap_beiscsi_offload_params,
1392 max_recv_data_segment_length) / 32]);
1393 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1394 max_cxns, pwrb, BEISCSI_MAX_CXNS);
1395 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb,
1396 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1397 erl) / 32] & OFFLD_PARAMS_ERL));
1398 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb,
1399 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1400 dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
1401 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb,
1402 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1403 hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
1404 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1406 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1407 ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
1408 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb,
1409 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1410 imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
1411 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1414 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1415 data_seq_inorder) / 32] &
1416 OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6);
1417 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1420 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1421 pdu_seq_inorder) / 32] &
1422 OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7);
1423 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t,
1425 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1427 OFFLD_PARAMS_MAX_R2T) >> 8);
1428 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn,
1430 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1431 exp_statsn) / 32] + 1));
1434 unsigned int beiscsi_invalidate_cxn(struct beiscsi_hba *phba,
1435 struct beiscsi_endpoint *beiscsi_ep)
1437 struct be_invalidate_connection_params_in *req;
1438 struct be_ctrl_info *ctrl = &phba->ctrl;
1439 struct be_mcc_wrb *wrb;
1440 unsigned int tag = 0;
1442 mutex_lock(&ctrl->mbox_lock);
1443 wrb = alloc_mcc_wrb(phba, &tag);
1445 mutex_unlock(&ctrl->mbox_lock);
1449 req = embedded_payload(wrb);
1450 be_wrb_hdr_prepare(wrb, sizeof(union be_invalidate_connection_params),
1452 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
1453 OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
1455 req->session_handle = beiscsi_ep->fw_handle;
1456 req->cid = beiscsi_ep->ep_cid;
1457 if (beiscsi_ep->conn)
1458 req->cleanup_type = BE_CLEANUP_TYPE_INVALIDATE;
1460 req->cleanup_type = BE_CLEANUP_TYPE_ISSUE_TCP_RST;
1462 * 0 - non-persistent targets
1463 * 1 - save session info on flash
1466 be_mcc_notify(phba, tag);
1467 mutex_unlock(&ctrl->mbox_lock);
1471 unsigned int beiscsi_upload_cxn(struct beiscsi_hba *phba,
1472 struct beiscsi_endpoint *beiscsi_ep)
1474 struct be_ctrl_info *ctrl = &phba->ctrl;
1475 struct be_mcc_wrb *wrb;
1476 struct be_tcp_upload_params_in *req;
1479 mutex_lock(&ctrl->mbox_lock);
1480 wrb = alloc_mcc_wrb(phba, &tag);
1482 mutex_unlock(&ctrl->mbox_lock);
1486 req = embedded_payload(wrb);
1487 be_wrb_hdr_prepare(wrb, sizeof(union be_tcp_upload_params), true, 0);
1488 be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
1489 OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
1490 req->id = beiscsi_ep->ep_cid;
1491 if (beiscsi_ep->conn)
1492 req->upload_type = BE_UPLOAD_TYPE_GRACEFUL;
1494 req->upload_type = BE_UPLOAD_TYPE_ABORT;
1495 be_mcc_notify(phba, tag);
1496 mutex_unlock(&ctrl->mbox_lock);
1500 int beiscsi_mgmt_invalidate_icds(struct beiscsi_hba *phba,
1501 struct invldt_cmd_tbl *inv_tbl,
1504 struct be_ctrl_info *ctrl = &phba->ctrl;
1505 struct invldt_cmds_params_in *req;
1506 struct be_dma_mem nonemb_cmd;
1507 struct be_mcc_wrb *wrb;
1508 unsigned int i, tag;
1512 if (!nents || nents > BE_INVLDT_CMD_TBL_SZ)
1515 nonemb_cmd.size = sizeof(union be_invldt_cmds_params);
1516 nonemb_cmd.va = dma_alloc_coherent(&phba->ctrl.pdev->dev,
1517 nonemb_cmd.size, &nonemb_cmd.dma,
1519 if (!nonemb_cmd.va) {
1520 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_EH,
1521 "BM_%d : invldt_cmds_params alloc failed\n");
1525 mutex_lock(&ctrl->mbox_lock);
1526 wrb = alloc_mcc_wrb(phba, &tag);
1528 mutex_unlock(&ctrl->mbox_lock);
1529 dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
1530 nonemb_cmd.va, nonemb_cmd.dma);
1534 req = nonemb_cmd.va;
1535 be_wrb_hdr_prepare(wrb, nonemb_cmd.size, false, 1);
1536 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
1537 OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
1539 req->ref_handle = 0;
1540 req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
1541 for (i = 0; i < nents; i++) {
1542 req->table[i].icd = inv_tbl[i].icd;
1543 req->table[i].cid = inv_tbl[i].cid;
1546 sge = nonembedded_sgl(wrb);
1547 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
1548 sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd.dma));
1549 sge->len = cpu_to_le32(nonemb_cmd.size);
1551 be_mcc_notify(phba, tag);
1552 mutex_unlock(&ctrl->mbox_lock);
1554 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
1556 dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
1557 nonemb_cmd.va, nonemb_cmd.dma);