Merge branch 'net-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[linux-2.6-block.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
24unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
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,
61 "Failed in mgmt_get_fw_config \n");
62 }
63
64 spin_unlock(&ctrl->mbox_lock);
65 return status;
66}
67
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68unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
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");
84 return -1;
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
bfead3b2 120
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121unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
122{
123 struct be_ctrl_info *ctrl = &phba->ctrl;
bfead3b2 124 struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
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125 struct iscsi_cleanup_req *req = embedded_payload(wrb);
126 int status = 0;
127
128 spin_lock(&ctrl->mbox_lock);
129 memset(wrb, 0, sizeof(*wrb));
130
131 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
132 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
133 OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
134
135 req->chute = chute;
136 req->hdr_ring_id = 0;
137 req->data_ring_id = 0;
138
bfead3b2 139 status = be_mcc_notify_wait(phba);
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140 if (status)
141 shost_printk(KERN_WARNING, phba->shost,
142 " mgmt_epfw_cleanup , FAILED\n");
143 spin_unlock(&ctrl->mbox_lock);
144 return status;
145}
146
147unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
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148 struct invalidate_command_table *inv_tbl,
149 unsigned int num_invalidate, unsigned int cid)
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150{
151 struct be_dma_mem nonemb_cmd;
152 struct be_ctrl_info *ctrl = &phba->ctrl;
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153 struct be_mcc_wrb *wrb;
154 struct be_sge *sge;
6733b39a 155 struct invalidate_commands_params_in *req;
4183122d 156 unsigned int i, tag = 0;
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157
158 spin_lock(&ctrl->mbox_lock);
159 tag = alloc_mcc_tag(phba);
160 if (!tag) {
161 spin_unlock(&ctrl->mbox_lock);
162 return tag;
163 }
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164
165 nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
166 sizeof(struct invalidate_commands_params_in),
167 &nonemb_cmd.dma);
168 if (nonemb_cmd.va == NULL) {
169 SE_DEBUG(DBG_LVL_1,
170 "Failed to allocate memory for"
171 "mgmt_invalidate_icds \n");
4ec3fdbe 172 spin_unlock(&ctrl->mbox_lock);
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173 return -1;
174 }
175 nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
176 req = nonemb_cmd.va;
f98c96b0 177 memset(req, 0, sizeof(*req));
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178 wrb = wrb_from_mccq(phba);
179 sge = nonembedded_sgl(wrb);
180 wrb->tag0 |= tag;
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181
182 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
183 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
184 OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
185 sizeof(*req));
186 req->ref_handle = 0;
187 req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
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188 for (i = 0; i < num_invalidate; i++) {
189 req->table[i].icd = inv_tbl->icd;
190 req->table[i].cid = inv_tbl->cid;
191 req->icd_count++;
192 inv_tbl++;
193 }
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194 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
195 sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
196 sge->len = cpu_to_le32(nonemb_cmd.size);
197
756d29c8 198 be_mcc_notify(phba);
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199 spin_unlock(&ctrl->mbox_lock);
200 if (nonemb_cmd.va)
201 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
202 nonemb_cmd.va, nonemb_cmd.dma);
756d29c8 203 return tag;
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204}
205
206unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
207 struct beiscsi_endpoint *beiscsi_ep,
208 unsigned short cid,
209 unsigned short issue_reset,
210 unsigned short savecfg_flag)
211{
212 struct be_ctrl_info *ctrl = &phba->ctrl;
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213 struct be_mcc_wrb *wrb;
214 struct iscsi_invalidate_connection_params_in *req;
215 unsigned int tag = 0;
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216
217 spin_lock(&ctrl->mbox_lock);
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218 tag = alloc_mcc_tag(phba);
219 if (!tag) {
220 spin_unlock(&ctrl->mbox_lock);
221 return tag;
222 }
223 wrb = wrb_from_mccq(phba);
224 wrb->tag0 |= tag;
225 req = embedded_payload(wrb);
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226
227 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
228 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
229 OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
230 sizeof(*req));
231 req->session_handle = beiscsi_ep->fw_handle;
232 req->cid = cid;
233 if (issue_reset)
234 req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
235 else
236 req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
237 req->save_cfg = savecfg_flag;
756d29c8 238 be_mcc_notify(phba);
6733b39a 239 spin_unlock(&ctrl->mbox_lock);
756d29c8 240 return tag;
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241}
242
243unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
244 unsigned short cid, unsigned int upload_flag)
245{
246 struct be_ctrl_info *ctrl = &phba->ctrl;
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247 struct be_mcc_wrb *wrb;
248 struct tcp_upload_params_in *req;
249 unsigned int tag = 0;
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250
251 spin_lock(&ctrl->mbox_lock);
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252 tag = alloc_mcc_tag(phba);
253 if (!tag) {
254 spin_unlock(&ctrl->mbox_lock);
255 return tag;
256 }
257 wrb = wrb_from_mccq(phba);
258 req = embedded_payload(wrb);
259 wrb->tag0 |= tag;
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260
261 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
262 be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
263 OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
264 req->id = (unsigned short)cid;
265 req->upload_type = (unsigned char)upload_flag;
756d29c8 266 be_mcc_notify(phba);
6733b39a 267 spin_unlock(&ctrl->mbox_lock);
756d29c8 268 return tag;
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269}
270
271int mgmt_open_connection(struct beiscsi_hba *phba,
272 struct sockaddr *dst_addr,
273 struct beiscsi_endpoint *beiscsi_ep)
274{
275 struct hwi_controller *phwi_ctrlr;
276 struct hwi_context_memory *phwi_context;
277 struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
278 struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
279 struct be_ctrl_info *ctrl = &phba->ctrl;
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280 struct be_mcc_wrb *wrb;
281 struct tcp_connect_and_offload_in *req;
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282 unsigned short def_hdr_id;
283 unsigned short def_data_id;
284 struct phys_addr template_address = { 0, 0 };
285 struct phys_addr *ptemplate_address;
756d29c8 286 unsigned int tag = 0;
bfead3b2 287 unsigned int i;
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288 unsigned short cid = beiscsi_ep->ep_cid;
289
290 phwi_ctrlr = phba->phwi_ctrlr;
291 phwi_context = phwi_ctrlr->phwi_ctxt;
292 def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
293 def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
294
295 ptemplate_address = &template_address;
296 ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
297 spin_lock(&ctrl->mbox_lock);
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298 tag = alloc_mcc_tag(phba);
299 if (!tag) {
300 spin_unlock(&ctrl->mbox_lock);
301 return tag;
302 }
303 wrb = wrb_from_mccq(phba);
304 req = embedded_payload(wrb);
305 wrb->tag0 |= tag;
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306
307 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
308 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
309 OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
310 sizeof(*req));
311 if (dst_addr->sa_family == PF_INET) {
312 __be32 s_addr = daddr_in->sin_addr.s_addr;
313 req->ip_address.ip_type = BE2_IPV4;
314 req->ip_address.ip_address[0] = s_addr & 0x000000ff;
315 req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
316 req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
317 req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
318 req->tcp_port = ntohs(daddr_in->sin_port);
319 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
320 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
321 beiscsi_ep->ip_type = BE2_IPV4;
322 } else if (dst_addr->sa_family == PF_INET6) {
323 req->ip_address.ip_type = BE2_IPV6;
324 memcpy(&req->ip_address.ip_address,
325 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
326 req->tcp_port = ntohs(daddr_in6->sin6_port);
327 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
328 memcpy(&beiscsi_ep->dst6_addr,
329 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
330 beiscsi_ep->ip_type = BE2_IPV6;
331 } else{
332 shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
333 dst_addr->sa_family);
334 spin_unlock(&ctrl->mbox_lock);
335 return -EINVAL;
336
337 }
338 req->cid = cid;
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339 i = phba->nxt_cqid++;
340 if (phba->nxt_cqid == phba->num_cpus)
341 phba->nxt_cqid = 0;
342 req->cq_id = phwi_context->be_cq[i].id;
343 SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d \n", i, req->cq_id);
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344 req->defq_id = def_hdr_id;
345 req->hdr_ring_id = def_hdr_id;
346 req->data_ring_id = def_data_id;
347 req->do_offload = 1;
348 req->dataout_template_pa.lo = ptemplate_address->lo;
349 req->dataout_template_pa.hi = ptemplate_address->hi;
756d29c8 350 be_mcc_notify(phba);
6733b39a 351 spin_unlock(&ctrl->mbox_lock);
756d29c8 352 return tag;
6733b39a 353}
bfead3b2 354
756d29c8 355unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
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356{
357 struct be_ctrl_info *ctrl = &phba->ctrl;
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358 struct be_mcc_wrb *wrb;
359 struct be_cmd_req_get_mac_addr *req;
360 unsigned int tag = 0;
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361
362 SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
363 spin_lock(&ctrl->mbox_lock);
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364 tag = alloc_mcc_tag(phba);
365 if (!tag) {
366 spin_unlock(&ctrl->mbox_lock);
367 return tag;
368 }
369
370 wrb = wrb_from_mccq(phba);
371 req = embedded_payload(wrb);
372 wrb->tag0 |= tag;
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373 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
374 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
375 OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
376 sizeof(*req));
377
756d29c8 378 be_mcc_notify(phba);
bfead3b2 379 spin_unlock(&ctrl->mbox_lock);
756d29c8 380 return tag;
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381}
382