[SCSI] be2iscsi: Fix to handle request_irq failure
[deliverable/linux.git] / drivers / scsi / be2iscsi / be_mgmt.c
CommitLineData
6733b39a 1/**
d2eeb1ac 2 * Copyright (C) 2005 - 2010 ServerEngines
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3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
9 *
10 * Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
11 *
12 * Contact Information:
13 * linux-drivers@serverengines.com
14 *
15 * ServerEngines
16 * 209 N. Fair Oaks Ave
17 * Sunnyvale, CA 94085
18 *
19 */
20
21#include "be_mgmt.h"
22#include "be_iscsi.h"
23
03a12310 24int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
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25 struct beiscsi_hba *phba)
26{
27 struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
28 struct be_fw_cfg *req = embedded_payload(wrb);
29 int status = 0;
30
31 spin_lock(&ctrl->mbox_lock);
32 memset(wrb, 0, sizeof(*wrb));
33
34 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
35
36 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
37 OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
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38 status = be_mbox_notify(ctrl);
39 if (!status) {
40 struct be_fw_cfg *pfw_cfg;
41 pfw_cfg = req;
42 phba->fw_config.phys_port = pfw_cfg->phys_port;
43 phba->fw_config.iscsi_icd_start =
44 pfw_cfg->ulp[0].icd_base;
45 phba->fw_config.iscsi_icd_count =
46 pfw_cfg->ulp[0].icd_count;
47 phba->fw_config.iscsi_cid_start =
48 pfw_cfg->ulp[0].sq_base;
49 phba->fw_config.iscsi_cid_count =
50 pfw_cfg->ulp[0].sq_count;
7da50879 51 if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
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52 SE_DEBUG(DBG_LVL_8,
53 "FW reported MAX CXNS as %d \t"
54 "Max Supported = %d.\n",
55 phba->fw_config.iscsi_cid_count,
56 BE2_MAX_SESSIONS);
57 phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
7da50879 58 }
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59 } else {
60 shost_printk(KERN_WARNING, phba->shost,
457ff3b7 61 "Failed in mgmt_get_fw_config\n");
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62 }
63
64 spin_unlock(&ctrl->mbox_lock);
65 return status;
66}
67
03a12310 68int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
bfead3b2 69 struct beiscsi_hba *phba)
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70{
71 struct be_dma_mem nonemb_cmd;
72 struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
73 struct be_mgmt_controller_attributes *req;
74 struct be_sge *sge = nonembedded_sgl(wrb);
75 int status = 0;
76
77 nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
78 sizeof(struct be_mgmt_controller_attributes),
79 &nonemb_cmd.dma);
80 if (nonemb_cmd.va == NULL) {
81 SE_DEBUG(DBG_LVL_1,
82 "Failed to allocate memory for mgmt_check_supported_fw"
83 "\n");
d3ad2bb3 84 return -ENOMEM;
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85 }
86 nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
87 req = nonemb_cmd.va;
f98c96b0 88 memset(req, 0, sizeof(*req));
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89 spin_lock(&ctrl->mbox_lock);
90 memset(wrb, 0, sizeof(*wrb));
91 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
92 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
93 OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
94 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
95 sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
96 sge->len = cpu_to_le32(nonemb_cmd.size);
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97 status = be_mbox_notify(ctrl);
98 if (!status) {
99 struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
100 SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
101 resp->params.hba_attribs.flashrom_version_string);
102 SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
103 resp->params.hba_attribs.firmware_version_string);
104 SE_DEBUG(DBG_LVL_8,
105 "Developer Build, not performing version check...\n");
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106 phba->fw_config.iscsi_features =
107 resp->params.hba_attribs.iscsi_features;
108 SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
109 phba->fw_config.iscsi_features);
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110 } else
111 SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
bfead3b2 112 spin_unlock(&ctrl->mbox_lock);
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113 if (nonemb_cmd.va)
114 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
115 nonemb_cmd.va, nonemb_cmd.dma);
116
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117 return status;
118}
119
03a12310 120int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
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121{
122 struct be_ctrl_info *ctrl = &phba->ctrl;
bfead3b2 123 struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
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124 struct iscsi_cleanup_req *req = embedded_payload(wrb);
125 int status = 0;
126
127 spin_lock(&ctrl->mbox_lock);
128 memset(wrb, 0, sizeof(*wrb));
129
130 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
131 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
132 OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
133
134 req->chute = chute;
135 req->hdr_ring_id = 0;
136 req->data_ring_id = 0;
137
bfead3b2 138 status = be_mcc_notify_wait(phba);
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139 if (status)
140 shost_printk(KERN_WARNING, phba->shost,
141 " mgmt_epfw_cleanup , FAILED\n");
142 spin_unlock(&ctrl->mbox_lock);
143 return status;
144}
145
03a12310 146unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
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147 struct invalidate_command_table *inv_tbl,
148 unsigned int num_invalidate, unsigned int cid)
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149{
150 struct be_dma_mem nonemb_cmd;
151 struct be_ctrl_info *ctrl = &phba->ctrl;
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152 struct be_mcc_wrb *wrb;
153 struct be_sge *sge;
6733b39a 154 struct invalidate_commands_params_in *req;
4183122d 155 unsigned int i, tag = 0;
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156
157 spin_lock(&ctrl->mbox_lock);
158 tag = alloc_mcc_tag(phba);
159 if (!tag) {
160 spin_unlock(&ctrl->mbox_lock);
161 return tag;
162 }
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163
164 nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
165 sizeof(struct invalidate_commands_params_in),
166 &nonemb_cmd.dma);
167 if (nonemb_cmd.va == NULL) {
168 SE_DEBUG(DBG_LVL_1,
457ff3b7 169 "Failed to alloc memory for mgmt_invalidate_icds\n");
4ec3fdbe 170 spin_unlock(&ctrl->mbox_lock);
e6b50c30 171 return 0;
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172 }
173 nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
174 req = nonemb_cmd.va;
f98c96b0 175 memset(req, 0, sizeof(*req));
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176 wrb = wrb_from_mccq(phba);
177 sge = nonembedded_sgl(wrb);
178 wrb->tag0 |= tag;
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179
180 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
181 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
182 OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
183 sizeof(*req));
184 req->ref_handle = 0;
185 req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
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186 for (i = 0; i < num_invalidate; i++) {
187 req->table[i].icd = inv_tbl->icd;
188 req->table[i].cid = inv_tbl->cid;
189 req->icd_count++;
190 inv_tbl++;
191 }
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192 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
193 sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
194 sge->len = cpu_to_le32(nonemb_cmd.size);
195
756d29c8 196 be_mcc_notify(phba);
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197 spin_unlock(&ctrl->mbox_lock);
198 if (nonemb_cmd.va)
199 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
200 nonemb_cmd.va, nonemb_cmd.dma);
756d29c8 201 return tag;
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202}
203
03a12310 204unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
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205 struct beiscsi_endpoint *beiscsi_ep,
206 unsigned short cid,
207 unsigned short issue_reset,
208 unsigned short savecfg_flag)
209{
210 struct be_ctrl_info *ctrl = &phba->ctrl;
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211 struct be_mcc_wrb *wrb;
212 struct iscsi_invalidate_connection_params_in *req;
213 unsigned int tag = 0;
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214
215 spin_lock(&ctrl->mbox_lock);
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216 tag = alloc_mcc_tag(phba);
217 if (!tag) {
218 spin_unlock(&ctrl->mbox_lock);
219 return tag;
220 }
221 wrb = wrb_from_mccq(phba);
222 wrb->tag0 |= tag;
223 req = embedded_payload(wrb);
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224
225 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
226 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
227 OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
228 sizeof(*req));
229 req->session_handle = beiscsi_ep->fw_handle;
230 req->cid = cid;
231 if (issue_reset)
232 req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
233 else
234 req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
235 req->save_cfg = savecfg_flag;
756d29c8 236 be_mcc_notify(phba);
6733b39a 237 spin_unlock(&ctrl->mbox_lock);
756d29c8 238 return tag;
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239}
240
03a12310 241unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
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242 unsigned short cid, unsigned int upload_flag)
243{
244 struct be_ctrl_info *ctrl = &phba->ctrl;
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245 struct be_mcc_wrb *wrb;
246 struct tcp_upload_params_in *req;
247 unsigned int tag = 0;
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248
249 spin_lock(&ctrl->mbox_lock);
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250 tag = alloc_mcc_tag(phba);
251 if (!tag) {
252 spin_unlock(&ctrl->mbox_lock);
253 return tag;
254 }
255 wrb = wrb_from_mccq(phba);
256 req = embedded_payload(wrb);
257 wrb->tag0 |= tag;
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258
259 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
260 be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
261 OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
262 req->id = (unsigned short)cid;
263 req->upload_type = (unsigned char)upload_flag;
756d29c8 264 be_mcc_notify(phba);
6733b39a 265 spin_unlock(&ctrl->mbox_lock);
756d29c8 266 return tag;
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267}
268
269int mgmt_open_connection(struct beiscsi_hba *phba,
270 struct sockaddr *dst_addr,
271 struct beiscsi_endpoint *beiscsi_ep)
272{
273 struct hwi_controller *phwi_ctrlr;
274 struct hwi_context_memory *phwi_context;
275 struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
276 struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
277 struct be_ctrl_info *ctrl = &phba->ctrl;
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278 struct be_mcc_wrb *wrb;
279 struct tcp_connect_and_offload_in *req;
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280 unsigned short def_hdr_id;
281 unsigned short def_data_id;
282 struct phys_addr template_address = { 0, 0 };
283 struct phys_addr *ptemplate_address;
756d29c8 284 unsigned int tag = 0;
bfead3b2 285 unsigned int i;
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286 unsigned short cid = beiscsi_ep->ep_cid;
287
288 phwi_ctrlr = phba->phwi_ctrlr;
289 phwi_context = phwi_ctrlr->phwi_ctxt;
290 def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
291 def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
292
293 ptemplate_address = &template_address;
294 ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
295 spin_lock(&ctrl->mbox_lock);
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296 tag = alloc_mcc_tag(phba);
297 if (!tag) {
298 spin_unlock(&ctrl->mbox_lock);
299 return tag;
300 }
301 wrb = wrb_from_mccq(phba);
302 req = embedded_payload(wrb);
303 wrb->tag0 |= tag;
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304
305 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
306 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
307 OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
308 sizeof(*req));
309 if (dst_addr->sa_family == PF_INET) {
310 __be32 s_addr = daddr_in->sin_addr.s_addr;
311 req->ip_address.ip_type = BE2_IPV4;
312 req->ip_address.ip_address[0] = s_addr & 0x000000ff;
313 req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
314 req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
315 req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
316 req->tcp_port = ntohs(daddr_in->sin_port);
317 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
318 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
319 beiscsi_ep->ip_type = BE2_IPV4;
320 } else if (dst_addr->sa_family == PF_INET6) {
321 req->ip_address.ip_type = BE2_IPV6;
322 memcpy(&req->ip_address.ip_address,
323 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
324 req->tcp_port = ntohs(daddr_in6->sin6_port);
325 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
326 memcpy(&beiscsi_ep->dst6_addr,
327 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
328 beiscsi_ep->ip_type = BE2_IPV6;
329 } else{
330 shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
331 dst_addr->sa_family);
332 spin_unlock(&ctrl->mbox_lock);
333 return -EINVAL;
334
335 }
336 req->cid = cid;
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337 i = phba->nxt_cqid++;
338 if (phba->nxt_cqid == phba->num_cpus)
339 phba->nxt_cqid = 0;
340 req->cq_id = phwi_context->be_cq[i].id;
457ff3b7 341 SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d\n", i, req->cq_id);
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342 req->defq_id = def_hdr_id;
343 req->hdr_ring_id = def_hdr_id;
344 req->data_ring_id = def_data_id;
345 req->do_offload = 1;
346 req->dataout_template_pa.lo = ptemplate_address->lo;
347 req->dataout_template_pa.hi = ptemplate_address->hi;
756d29c8 348 be_mcc_notify(phba);
6733b39a 349 spin_unlock(&ctrl->mbox_lock);
756d29c8 350 return tag;
6733b39a 351}
bfead3b2 352
756d29c8 353unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
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354{
355 struct be_ctrl_info *ctrl = &phba->ctrl;
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356 struct be_mcc_wrb *wrb;
357 struct be_cmd_req_get_mac_addr *req;
358 unsigned int tag = 0;
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359
360 SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
361 spin_lock(&ctrl->mbox_lock);
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362 tag = alloc_mcc_tag(phba);
363 if (!tag) {
364 spin_unlock(&ctrl->mbox_lock);
365 return tag;
366 }
367
368 wrb = wrb_from_mccq(phba);
369 req = embedded_payload(wrb);
370 wrb->tag0 |= tag;
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371 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
372 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
373 OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
374 sizeof(*req));
375
756d29c8 376 be_mcc_notify(phba);
bfead3b2 377 spin_unlock(&ctrl->mbox_lock);
756d29c8 378 return tag;
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379}
380
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