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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e JB |
27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
92d7f7b0 | 38 | #include "lpfc_vport.h" |
858c9f6c | 39 | #include "lpfc_debugfs.h" |
dea3101e JB |
40 | |
41 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, | |
42 | struct lpfc_iocbq *); | |
92d7f7b0 JS |
43 | static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *, |
44 | struct lpfc_iocbq *); | |
45 | ||
dea3101e JB |
46 | static int lpfc_max_els_tries = 3; |
47 | ||
858c9f6c | 48 | int |
2e0fef85 | 49 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
dea3101e | 50 | { |
2e0fef85 JS |
51 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
52 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 53 | uint32_t ha_copy; |
dea3101e | 54 | |
2e0fef85 JS |
55 | if (vport->port_state >= LPFC_VPORT_READY || |
56 | phba->link_state == LPFC_LINK_DOWN) | |
dea3101e JB |
57 | return 0; |
58 | ||
59 | /* Read the HBA Host Attention Register */ | |
dea3101e | 60 | ha_copy = readl(phba->HAregaddr); |
dea3101e JB |
61 | |
62 | if (!(ha_copy & HA_LATT)) | |
63 | return 0; | |
64 | ||
65 | /* Pending Link Event during Discovery */ | |
e8b62011 JS |
66 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
67 | "0237 Pending Link Event during " | |
68 | "Discovery: State x%x\n", | |
69 | phba->pport->port_state); | |
dea3101e JB |
70 | |
71 | /* CLEAR_LA should re-enable link attention events and | |
72 | * we should then imediately take a LATT event. The | |
73 | * LATT processing should call lpfc_linkdown() which | |
74 | * will cleanup any left over in-progress discovery | |
75 | * events. | |
76 | */ | |
2e0fef85 JS |
77 | spin_lock_irq(shost->host_lock); |
78 | vport->fc_flag |= FC_ABORT_DISCOVERY; | |
79 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 80 | |
92d7f7b0 | 81 | if (phba->link_state != LPFC_CLEAR_LA) |
ed957684 | 82 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 83 | |
c9f8735b | 84 | return 1; |
dea3101e JB |
85 | } |
86 | ||
87 | static struct lpfc_iocbq * | |
2e0fef85 JS |
88 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
89 | uint16_t cmdSize, uint8_t retry, | |
90 | struct lpfc_nodelist *ndlp, uint32_t did, | |
91 | uint32_t elscmd) | |
dea3101e | 92 | { |
2e0fef85 | 93 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 | 94 | struct lpfc_iocbq *elsiocb; |
dea3101e JB |
95 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
96 | struct ulp_bde64 *bpl; | |
97 | IOCB_t *icmd; | |
98 | ||
dea3101e | 99 | |
2e0fef85 JS |
100 | if (!lpfc_is_link_up(phba)) |
101 | return NULL; | |
dea3101e | 102 | |
dea3101e | 103 | /* Allocate buffer for command iocb */ |
0bd4ca25 | 104 | elsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
105 | |
106 | if (elsiocb == NULL) | |
107 | return NULL; | |
dea3101e JB |
108 | icmd = &elsiocb->iocb; |
109 | ||
110 | /* fill in BDEs for command */ | |
111 | /* Allocate buffer for command payload */ | |
92d7f7b0 | 112 | if (((pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL)) == 0) || |
dea3101e JB |
113 | ((pcmd->virt = lpfc_mbuf_alloc(phba, |
114 | MEM_PRI, &(pcmd->phys))) == 0)) { | |
c9475cb0 | 115 | kfree(pcmd); |
dea3101e | 116 | |
604a3e30 | 117 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
118 | return NULL; |
119 | } | |
120 | ||
121 | INIT_LIST_HEAD(&pcmd->list); | |
122 | ||
123 | /* Allocate buffer for response payload */ | |
124 | if (expectRsp) { | |
92d7f7b0 | 125 | prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
dea3101e JB |
126 | if (prsp) |
127 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
128 | &prsp->phys); | |
129 | if (prsp == 0 || prsp->virt == 0) { | |
c9475cb0 | 130 | kfree(prsp); |
dea3101e JB |
131 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
132 | kfree(pcmd); | |
604a3e30 | 133 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
134 | return NULL; |
135 | } | |
136 | INIT_LIST_HEAD(&prsp->list); | |
137 | } else { | |
138 | prsp = NULL; | |
139 | } | |
140 | ||
141 | /* Allocate buffer for Buffer ptr list */ | |
92d7f7b0 | 142 | pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
dea3101e | 143 | if (pbuflist) |
ed957684 JS |
144 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
145 | &pbuflist->phys); | |
dea3101e | 146 | if (pbuflist == 0 || pbuflist->virt == 0) { |
604a3e30 | 147 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
148 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
149 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); | |
150 | kfree(pcmd); | |
151 | kfree(prsp); | |
c9475cb0 | 152 | kfree(pbuflist); |
dea3101e JB |
153 | return NULL; |
154 | } | |
155 | ||
156 | INIT_LIST_HEAD(&pbuflist->list); | |
157 | ||
158 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); | |
159 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); | |
160 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; | |
2e0fef85 | 161 | icmd->un.elsreq64.remoteID = did; /* DID */ |
dea3101e | 162 | if (expectRsp) { |
92d7f7b0 | 163 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); |
dea3101e | 164 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
2680eeaa | 165 | icmd->ulpTimeout = phba->fc_ratov * 2; |
dea3101e | 166 | } else { |
92d7f7b0 | 167 | icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64); |
dea3101e JB |
168 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
169 | } | |
dea3101e JB |
170 | icmd->ulpBdeCount = 1; |
171 | icmd->ulpLe = 1; | |
172 | icmd->ulpClass = CLASS3; | |
173 | ||
92d7f7b0 JS |
174 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
175 | icmd->un.elsreq64.myID = vport->fc_myDID; | |
176 | ||
177 | /* For ELS_REQUEST64_CR, use the VPI by default */ | |
178 | icmd->ulpContext = vport->vpi; | |
179 | icmd->ulpCt_h = 0; | |
180 | icmd->ulpCt_l = 1; | |
181 | } | |
182 | ||
dea3101e JB |
183 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
184 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); | |
185 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); | |
186 | bpl->tus.f.bdeSize = cmdSize; | |
187 | bpl->tus.f.bdeFlags = 0; | |
188 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
189 | ||
190 | if (expectRsp) { | |
191 | bpl++; | |
192 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); | |
193 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); | |
194 | bpl->tus.f.bdeSize = FCELSSIZE; | |
195 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; | |
196 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
197 | } | |
198 | ||
51ef4c26 | 199 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
329f9bc7 JS |
200 | elsiocb->context2 = pcmd; |
201 | elsiocb->context3 = pbuflist; | |
dea3101e | 202 | elsiocb->retry = retry; |
2e0fef85 | 203 | elsiocb->vport = vport; |
dea3101e JB |
204 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
205 | ||
206 | if (prsp) { | |
207 | list_add(&prsp->list, &pcmd->list); | |
208 | } | |
dea3101e JB |
209 | if (expectRsp) { |
210 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
211 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
212 | "0116 Xmit ELS command x%x to remote " | |
213 | "NPORT x%x I/O tag: x%x, port state: x%x\n", | |
214 | elscmd, did, elsiocb->iotag, | |
215 | vport->port_state); | |
dea3101e JB |
216 | } else { |
217 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
218 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
219 | "0117 Xmit ELS response x%x to remote " | |
220 | "NPORT x%x I/O tag: x%x, size: x%x\n", | |
221 | elscmd, ndlp->nlp_DID, elsiocb->iotag, | |
222 | cmdSize); | |
dea3101e | 223 | } |
c9f8735b | 224 | return elsiocb; |
dea3101e JB |
225 | } |
226 | ||
227 | ||
228 | static int | |
92d7f7b0 | 229 | lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) |
dea3101e | 230 | { |
2e0fef85 | 231 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 232 | LPFC_MBOXQ_t *mbox; |
14691150 | 233 | struct lpfc_dmabuf *mp; |
92d7f7b0 JS |
234 | struct lpfc_nodelist *ndlp; |
235 | struct serv_parm *sp; | |
dea3101e JB |
236 | int rc; |
237 | ||
92d7f7b0 JS |
238 | sp = &phba->fc_fabparam; |
239 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
240 | if (!ndlp) | |
241 | goto fail; | |
242 | ||
243 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
244 | if (!mbox) | |
245 | goto fail; | |
246 | ||
247 | vport->port_state = LPFC_FABRIC_CFG_LINK; | |
248 | lpfc_config_link(phba, mbox); | |
249 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
250 | mbox->vport = vport; | |
251 | ||
0b727fea | 252 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 JS |
253 | if (rc == MBX_NOT_FINISHED) |
254 | goto fail_free_mbox; | |
255 | ||
256 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
257 | if (!mbox) | |
258 | goto fail; | |
259 | rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox, | |
260 | 0); | |
261 | if (rc) | |
262 | goto fail_free_mbox; | |
263 | ||
264 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; | |
265 | mbox->vport = vport; | |
266 | mbox->context2 = lpfc_nlp_get(ndlp); | |
267 | ||
0b727fea | 268 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 JS |
269 | if (rc == MBX_NOT_FINISHED) |
270 | goto fail_issue_reg_login; | |
271 | ||
272 | return 0; | |
273 | ||
274 | fail_issue_reg_login: | |
275 | lpfc_nlp_put(ndlp); | |
276 | mp = (struct lpfc_dmabuf *) mbox->context1; | |
277 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
278 | kfree(mp); | |
279 | fail_free_mbox: | |
280 | mempool_free(mbox, phba->mbox_mem_pool); | |
281 | ||
282 | fail: | |
283 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
284 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
285 | "0249 Cannot issue Register Fabric login\n"); | |
92d7f7b0 JS |
286 | return -ENXIO; |
287 | } | |
288 | ||
289 | static int | |
290 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
291 | struct serv_parm *sp, IOCB_t *irsp) | |
292 | { | |
293 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
294 | struct lpfc_hba *phba = vport->phba; | |
295 | struct lpfc_nodelist *np; | |
296 | struct lpfc_nodelist *next_np; | |
297 | ||
2e0fef85 JS |
298 | spin_lock_irq(shost->host_lock); |
299 | vport->fc_flag |= FC_FABRIC; | |
300 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
301 | |
302 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); | |
303 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ | |
304 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; | |
305 | ||
306 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; | |
307 | ||
308 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 JS |
309 | spin_lock_irq(shost->host_lock); |
310 | vport->fc_flag |= FC_PUBLIC_LOOP; | |
311 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
312 | } else { |
313 | /* | |
314 | * If we are a N-port connected to a Fabric, fixup sparam's so | |
315 | * logins to devices on remote loops work. | |
316 | */ | |
2e0fef85 | 317 | vport->fc_sparam.cmn.altBbCredit = 1; |
dea3101e JB |
318 | } |
319 | ||
2e0fef85 | 320 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
dea3101e | 321 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
92d7f7b0 | 322 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); |
dea3101e JB |
323 | ndlp->nlp_class_sup = 0; |
324 | if (sp->cls1.classValid) | |
325 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
326 | if (sp->cls2.classValid) | |
327 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
328 | if (sp->cls3.classValid) | |
329 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
330 | if (sp->cls4.classValid) | |
331 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
332 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
333 | sp->cmn.bbRcvSizeLsb; | |
334 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
335 | ||
92d7f7b0 JS |
336 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
337 | if (sp->cmn.response_multiple_NPort) { | |
e8b62011 JS |
338 | lpfc_printf_vlog(vport, KERN_WARNING, |
339 | LOG_ELS | LOG_VPORT, | |
340 | "1816 FLOGI NPIV supported, " | |
341 | "response data 0x%x\n", | |
342 | sp->cmn.response_multiple_NPort); | |
92d7f7b0 | 343 | phba->link_flag |= LS_NPIV_FAB_SUPPORTED; |
92d7f7b0 JS |
344 | } else { |
345 | /* Because we asked f/w for NPIV it still expects us | |
e8b62011 JS |
346 | to call reg_vnpid atleast for the physcial host */ |
347 | lpfc_printf_vlog(vport, KERN_WARNING, | |
348 | LOG_ELS | LOG_VPORT, | |
349 | "1817 Fabric does not support NPIV " | |
350 | "- configuring single port mode.\n"); | |
92d7f7b0 JS |
351 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
352 | } | |
353 | } | |
dea3101e | 354 | |
92d7f7b0 JS |
355 | if ((vport->fc_prevDID != vport->fc_myDID) && |
356 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { | |
dea3101e | 357 | |
92d7f7b0 JS |
358 | /* If our NportID changed, we need to ensure all |
359 | * remaining NPORTs get unreg_login'ed. | |
360 | */ | |
361 | list_for_each_entry_safe(np, next_np, | |
362 | &vport->fc_nodes, nlp_listp) { | |
363 | if ((np->nlp_state != NLP_STE_NPR_NODE) || | |
364 | !(np->nlp_flag & NLP_NPR_ADISC)) | |
365 | continue; | |
366 | spin_lock_irq(shost->host_lock); | |
367 | np->nlp_flag &= ~NLP_NPR_ADISC; | |
368 | spin_unlock_irq(shost->host_lock); | |
369 | lpfc_unreg_rpi(vport, np); | |
370 | } | |
371 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { | |
372 | lpfc_mbx_unreg_vpi(vport); | |
373 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
374 | } | |
375 | } | |
dea3101e | 376 | |
92d7f7b0 JS |
377 | ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID; |
378 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); | |
dea3101e | 379 | |
92d7f7b0 JS |
380 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && |
381 | vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) { | |
382 | lpfc_register_new_vport(phba, vport, ndlp); | |
383 | return 0; | |
384 | } | |
385 | lpfc_issue_fabric_reglogin(vport); | |
dea3101e | 386 | return 0; |
dea3101e JB |
387 | } |
388 | ||
389 | /* | |
390 | * We FLOGIed into an NPort, initiate pt2pt protocol | |
391 | */ | |
392 | static int | |
2e0fef85 JS |
393 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
394 | struct serv_parm *sp) | |
dea3101e | 395 | { |
2e0fef85 JS |
396 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
397 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
398 | LPFC_MBOXQ_t *mbox; |
399 | int rc; | |
400 | ||
2e0fef85 JS |
401 | spin_lock_irq(shost->host_lock); |
402 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
403 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
404 | |
405 | phba->fc_edtov = FF_DEF_EDTOV; | |
406 | phba->fc_ratov = FF_DEF_RATOV; | |
2e0fef85 | 407 | rc = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 408 | sizeof(vport->fc_portname)); |
dea3101e JB |
409 | if (rc >= 0) { |
410 | /* This side will initiate the PLOGI */ | |
2e0fef85 JS |
411 | spin_lock_irq(shost->host_lock); |
412 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
413 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
414 | |
415 | /* | |
416 | * N_Port ID cannot be 0, set our to LocalID the other | |
417 | * side will be RemoteID. | |
418 | */ | |
419 | ||
420 | /* not equal */ | |
421 | if (rc) | |
2e0fef85 | 422 | vport->fc_myDID = PT2PT_LocalID; |
dea3101e JB |
423 | |
424 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
425 | if (!mbox) | |
426 | goto fail; | |
427 | ||
428 | lpfc_config_link(phba, mbox); | |
429 | ||
430 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 431 | mbox->vport = vport; |
0b727fea | 432 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e JB |
433 | if (rc == MBX_NOT_FINISHED) { |
434 | mempool_free(mbox, phba->mbox_mem_pool); | |
435 | goto fail; | |
436 | } | |
329f9bc7 | 437 | lpfc_nlp_put(ndlp); |
dea3101e | 438 | |
2e0fef85 | 439 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
dea3101e JB |
440 | if (!ndlp) { |
441 | /* | |
442 | * Cannot find existing Fabric ndlp, so allocate a | |
443 | * new one | |
444 | */ | |
445 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
446 | if (!ndlp) | |
447 | goto fail; | |
448 | ||
2e0fef85 | 449 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
dea3101e JB |
450 | } |
451 | ||
452 | memcpy(&ndlp->nlp_portname, &sp->portName, | |
2e0fef85 | 453 | sizeof(struct lpfc_name)); |
dea3101e | 454 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
2e0fef85 JS |
455 | sizeof(struct lpfc_name)); |
456 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
457 | spin_lock_irq(shost->host_lock); | |
dea3101e | 458 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 459 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
460 | } else { |
461 | /* This side will wait for the PLOGI */ | |
329f9bc7 | 462 | lpfc_nlp_put(ndlp); |
dea3101e JB |
463 | } |
464 | ||
2e0fef85 JS |
465 | spin_lock_irq(shost->host_lock); |
466 | vport->fc_flag |= FC_PT2PT; | |
467 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
468 | |
469 | /* Start discovery - this should just do CLEAR_LA */ | |
2e0fef85 | 470 | lpfc_disc_start(vport); |
dea3101e | 471 | return 0; |
92d7f7b0 | 472 | fail: |
dea3101e JB |
473 | return -ENXIO; |
474 | } | |
475 | ||
476 | static void | |
329f9bc7 JS |
477 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
478 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 479 | { |
2e0fef85 JS |
480 | struct lpfc_vport *vport = cmdiocb->vport; |
481 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e JB |
482 | IOCB_t *irsp = &rspiocb->iocb; |
483 | struct lpfc_nodelist *ndlp = cmdiocb->context1; | |
484 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; | |
485 | struct serv_parm *sp; | |
486 | int rc; | |
487 | ||
488 | /* Check to see if link went down during discovery */ | |
2e0fef85 | 489 | if (lpfc_els_chk_latt(vport)) { |
329f9bc7 | 490 | lpfc_nlp_put(ndlp); |
dea3101e JB |
491 | goto out; |
492 | } | |
493 | ||
858c9f6c JS |
494 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
495 | "FLOGI cmpl: status:x%x/x%x state:x%x", | |
496 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
497 | vport->port_state); | |
498 | ||
dea3101e JB |
499 | if (irsp->ulpStatus) { |
500 | /* Check for retry */ | |
2e0fef85 | 501 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e | 502 | goto out; |
2e0fef85 | 503 | |
dea3101e | 504 | /* FLOGI failed, so there is no fabric */ |
2e0fef85 JS |
505 | spin_lock_irq(shost->host_lock); |
506 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
507 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 508 | |
329f9bc7 | 509 | /* If private loop, then allow max outstanding els to be |
dea3101e JB |
510 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
511 | * alpa map would take too long otherwise. | |
512 | */ | |
513 | if (phba->alpa_map[0] == 0) { | |
3de2a653 | 514 | vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
dea3101e JB |
515 | } |
516 | ||
517 | /* FLOGI failure */ | |
e8b62011 JS |
518 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
519 | "0100 FLOGI failure Data: x%x x%x " | |
520 | "x%x\n", | |
521 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
522 | irsp->ulpTimeout); | |
dea3101e JB |
523 | goto flogifail; |
524 | } | |
525 | ||
526 | /* | |
527 | * The FLogI succeeded. Sync the data for the CPU before | |
528 | * accessing it. | |
529 | */ | |
530 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); | |
531 | ||
532 | sp = prsp->virt + sizeof(uint32_t); | |
533 | ||
534 | /* FLOGI completes successfully */ | |
e8b62011 JS |
535 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
536 | "0101 FLOGI completes sucessfully " | |
537 | "Data: x%x x%x x%x x%x\n", | |
538 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, | |
539 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); | |
dea3101e | 540 | |
2e0fef85 | 541 | if (vport->port_state == LPFC_FLOGI) { |
dea3101e JB |
542 | /* |
543 | * If Common Service Parameters indicate Nport | |
544 | * we are point to point, if Fport we are Fabric. | |
545 | */ | |
546 | if (sp->cmn.fPort) | |
2e0fef85 | 547 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
dea3101e | 548 | else |
2e0fef85 | 549 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
dea3101e JB |
550 | |
551 | if (!rc) | |
552 | goto out; | |
553 | } | |
554 | ||
555 | flogifail: | |
329f9bc7 | 556 | lpfc_nlp_put(ndlp); |
dea3101e | 557 | |
858c9f6c | 558 | if (!lpfc_error_lost_link(irsp)) { |
dea3101e | 559 | /* FLOGI failed, so just use loop map to make discovery list */ |
2e0fef85 | 560 | lpfc_disc_list_loopmap(vport); |
dea3101e JB |
561 | |
562 | /* Start discovery */ | |
2e0fef85 | 563 | lpfc_disc_start(vport); |
dea3101e JB |
564 | } |
565 | ||
566 | out: | |
567 | lpfc_els_free_iocb(phba, cmdiocb); | |
568 | } | |
569 | ||
570 | static int | |
2e0fef85 | 571 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
572 | uint8_t retry) |
573 | { | |
2e0fef85 | 574 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
575 | struct serv_parm *sp; |
576 | IOCB_t *icmd; | |
577 | struct lpfc_iocbq *elsiocb; | |
578 | struct lpfc_sli_ring *pring; | |
579 | uint8_t *pcmd; | |
580 | uint16_t cmdsize; | |
581 | uint32_t tmo; | |
582 | int rc; | |
583 | ||
584 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
585 | ||
92d7f7b0 | 586 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
2e0fef85 JS |
587 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
588 | ndlp->nlp_DID, ELS_CMD_FLOGI); | |
92d7f7b0 | 589 | |
488d1469 | 590 | if (!elsiocb) |
c9f8735b | 591 | return 1; |
dea3101e JB |
592 | |
593 | icmd = &elsiocb->iocb; | |
594 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
595 | ||
596 | /* For FLOGI request, remainder of payload is service parameters */ | |
597 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; | |
92d7f7b0 JS |
598 | pcmd += sizeof(uint32_t); |
599 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
dea3101e JB |
600 | sp = (struct serv_parm *) pcmd; |
601 | ||
602 | /* Setup CSPs accordingly for Fabric */ | |
603 | sp->cmn.e_d_tov = 0; | |
604 | sp->cmn.w2.r_a_tov = 0; | |
605 | sp->cls1.classValid = 0; | |
606 | sp->cls2.seqDelivery = 1; | |
607 | sp->cls3.seqDelivery = 1; | |
608 | if (sp->cmn.fcphLow < FC_PH3) | |
609 | sp->cmn.fcphLow = FC_PH3; | |
610 | if (sp->cmn.fcphHigh < FC_PH3) | |
611 | sp->cmn.fcphHigh = FC_PH3; | |
612 | ||
92d7f7b0 JS |
613 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
614 | sp->cmn.request_multiple_Nport = 1; | |
615 | ||
616 | /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ | |
617 | icmd->ulpCt_h = 1; | |
618 | icmd->ulpCt_l = 0; | |
619 | } | |
620 | ||
858c9f6c JS |
621 | if (phba->fc_topology != TOPOLOGY_LOOP) { |
622 | icmd->un.elsreq64.myID = 0; | |
623 | icmd->un.elsreq64.fl = 1; | |
624 | } | |
625 | ||
dea3101e JB |
626 | tmo = phba->fc_ratov; |
627 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; | |
2e0fef85 | 628 | lpfc_set_disctmo(vport); |
dea3101e JB |
629 | phba->fc_ratov = tmo; |
630 | ||
631 | phba->fc_stat.elsXmitFLOGI++; | |
632 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; | |
858c9f6c JS |
633 | |
634 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
635 | "Issue FLOGI: opt:x%x", | |
636 | phba->sli3_options, 0, 0); | |
637 | ||
92d7f7b0 | 638 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
dea3101e JB |
639 | if (rc == IOCB_ERROR) { |
640 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 641 | return 1; |
dea3101e | 642 | } |
c9f8735b | 643 | return 0; |
dea3101e JB |
644 | } |
645 | ||
646 | int | |
2e0fef85 | 647 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
dea3101e JB |
648 | { |
649 | struct lpfc_sli_ring *pring; | |
650 | struct lpfc_iocbq *iocb, *next_iocb; | |
651 | struct lpfc_nodelist *ndlp; | |
652 | IOCB_t *icmd; | |
653 | ||
654 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
655 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
656 | "0201 Abort outstanding I/O on NPort x%x\n", |
657 | Fabric_DID); | |
dea3101e JB |
658 | |
659 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
660 | ||
661 | /* | |
662 | * Check the txcmplq for an iocb that matches the nport the driver is | |
663 | * searching for. | |
664 | */ | |
2e0fef85 | 665 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
666 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
667 | icmd = &iocb->iocb; | |
2e0fef85 JS |
668 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
669 | icmd->un.elsreq64.bdl.ulpIoTag32) { | |
dea3101e | 670 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
92d7f7b0 | 671 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { |
07951076 | 672 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
92d7f7b0 | 673 | } |
dea3101e JB |
674 | } |
675 | } | |
2e0fef85 | 676 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
677 | |
678 | return 0; | |
679 | } | |
680 | ||
681 | int | |
2e0fef85 | 682 | lpfc_initial_flogi(struct lpfc_vport *vport) |
dea3101e | 683 | { |
2e0fef85 | 684 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
685 | struct lpfc_nodelist *ndlp; |
686 | ||
c9f8735b | 687 | /* First look for the Fabric ndlp */ |
2e0fef85 | 688 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
c9f8735b | 689 | if (!ndlp) { |
dea3101e | 690 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
691 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
692 | if (!ndlp) | |
693 | return 0; | |
2e0fef85 | 694 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
c9f8735b | 695 | } else { |
2e0fef85 | 696 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 697 | } |
2e0fef85 | 698 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) { |
329f9bc7 | 699 | lpfc_nlp_put(ndlp); |
dea3101e | 700 | } |
c9f8735b | 701 | return 1; |
dea3101e JB |
702 | } |
703 | ||
92d7f7b0 JS |
704 | int |
705 | lpfc_initial_fdisc(struct lpfc_vport *vport) | |
706 | { | |
707 | struct lpfc_hba *phba = vport->phba; | |
708 | struct lpfc_nodelist *ndlp; | |
709 | ||
710 | /* First look for the Fabric ndlp */ | |
711 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
712 | if (!ndlp) { | |
713 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
714 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
715 | if (!ndlp) | |
716 | return 0; | |
717 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
718 | } else { | |
719 | lpfc_dequeue_node(vport, ndlp); | |
720 | } | |
721 | if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { | |
722 | lpfc_nlp_put(ndlp); | |
723 | } | |
724 | return 1; | |
725 | } | |
dea3101e | 726 | static void |
2e0fef85 | 727 | lpfc_more_plogi(struct lpfc_vport *vport) |
dea3101e JB |
728 | { |
729 | int sentplogi; | |
730 | ||
2e0fef85 JS |
731 | if (vport->num_disc_nodes) |
732 | vport->num_disc_nodes--; | |
dea3101e JB |
733 | |
734 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ | |
e8b62011 JS |
735 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
736 | "0232 Continue discovery with %d PLOGIs to go " | |
737 | "Data: x%x x%x x%x\n", | |
738 | vport->num_disc_nodes, vport->fc_plogi_cnt, | |
739 | vport->fc_flag, vport->port_state); | |
dea3101e | 740 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 JS |
741 | if (vport->fc_flag & FC_NLP_MORE) |
742 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ | |
743 | sentplogi = lpfc_els_disc_plogi(vport); | |
744 | ||
dea3101e JB |
745 | return; |
746 | } | |
747 | ||
488d1469 | 748 | static struct lpfc_nodelist * |
92d7f7b0 | 749 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, |
488d1469 JS |
750 | struct lpfc_nodelist *ndlp) |
751 | { | |
2e0fef85 | 752 | struct lpfc_vport *vport = ndlp->vport; |
488d1469 | 753 | struct lpfc_nodelist *new_ndlp; |
488d1469 | 754 | struct serv_parm *sp; |
92d7f7b0 | 755 | uint8_t name[sizeof(struct lpfc_name)]; |
488d1469 JS |
756 | uint32_t rc; |
757 | ||
2fb9bd8b JS |
758 | /* Fabric nodes can have the same WWPN so we don't bother searching |
759 | * by WWPN. Just return the ndlp that was given to us. | |
760 | */ | |
761 | if (ndlp->nlp_type & NLP_FABRIC) | |
762 | return ndlp; | |
763 | ||
92d7f7b0 | 764 | sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t)); |
685f0bf7 | 765 | memset(name, 0, sizeof(struct lpfc_name)); |
488d1469 | 766 | |
685f0bf7 | 767 | /* Now we find out if the NPort we are logging into, matches the WWPN |
488d1469 JS |
768 | * we have for that ndlp. If not, we have some work to do. |
769 | */ | |
2e0fef85 | 770 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
488d1469 | 771 | |
92795650 | 772 | if (new_ndlp == ndlp) |
488d1469 | 773 | return ndlp; |
488d1469 JS |
774 | |
775 | if (!new_ndlp) { | |
2e0fef85 JS |
776 | rc = memcmp(&ndlp->nlp_portname, name, |
777 | sizeof(struct lpfc_name)); | |
92795650 JS |
778 | if (!rc) |
779 | return ndlp; | |
488d1469 JS |
780 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
781 | if (!new_ndlp) | |
782 | return ndlp; | |
783 | ||
2e0fef85 | 784 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
488d1469 JS |
785 | } |
786 | ||
2e0fef85 | 787 | lpfc_unreg_rpi(vport, new_ndlp); |
488d1469 | 788 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
92795650 | 789 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
2e0fef85 | 790 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
488d1469 | 791 | |
2e0fef85 | 792 | /* Move this back to NPR state */ |
de0c5b32 | 793 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) |
2e0fef85 | 794 | lpfc_drop_node(vport, ndlp); |
92795650 | 795 | else { |
2e0fef85 | 796 | lpfc_unreg_rpi(vport, ndlp); |
92795650 | 797 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ |
2e0fef85 | 798 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92795650 | 799 | } |
488d1469 JS |
800 | return new_ndlp; |
801 | } | |
802 | ||
dea3101e | 803 | static void |
2e0fef85 JS |
804 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
805 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 806 | { |
2e0fef85 JS |
807 | struct lpfc_vport *vport = cmdiocb->vport; |
808 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 809 | IOCB_t *irsp; |
dea3101e | 810 | struct lpfc_nodelist *ndlp; |
92795650 | 811 | struct lpfc_dmabuf *prsp; |
dea3101e JB |
812 | int disc, rc, did, type; |
813 | ||
dea3101e JB |
814 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
815 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
816 | ||
817 | irsp = &rspiocb->iocb; | |
858c9f6c JS |
818 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
819 | "PLOGI cmpl: status:x%x/x%x did:x%x", | |
820 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
821 | irsp->un.elsreq64.remoteID); | |
822 | ||
2e0fef85 | 823 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
ed957684 | 824 | if (!ndlp) { |
e8b62011 JS |
825 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
826 | "0136 PLOGI completes to NPort x%x " | |
827 | "with no ndlp. Data: x%x x%x x%x\n", | |
828 | irsp->un.elsreq64.remoteID, | |
829 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
830 | irsp->ulpIoTag); | |
488d1469 | 831 | goto out; |
ed957684 | 832 | } |
dea3101e JB |
833 | |
834 | /* Since ndlp can be freed in the disc state machine, note if this node | |
835 | * is being used during discovery. | |
836 | */ | |
2e0fef85 | 837 | spin_lock_irq(shost->host_lock); |
dea3101e | 838 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
488d1469 | 839 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 | 840 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
841 | rc = 0; |
842 | ||
843 | /* PLOGI completes to NPort <nlp_DID> */ | |
e8b62011 JS |
844 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
845 | "0102 PLOGI completes to NPort x%x " | |
846 | "Data: x%x x%x x%x x%x x%x\n", | |
847 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
848 | irsp->ulpTimeout, disc, vport->num_disc_nodes); | |
dea3101e | 849 | /* Check to see if link went down during discovery */ |
2e0fef85 JS |
850 | if (lpfc_els_chk_latt(vport)) { |
851 | spin_lock_irq(shost->host_lock); | |
dea3101e | 852 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 853 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
854 | goto out; |
855 | } | |
856 | ||
857 | /* ndlp could be freed in DSM, save these values now */ | |
858 | type = ndlp->nlp_type; | |
859 | did = ndlp->nlp_DID; | |
860 | ||
861 | if (irsp->ulpStatus) { | |
862 | /* Check for retry */ | |
863 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
864 | /* ELS command is being retried */ | |
865 | if (disc) { | |
2e0fef85 | 866 | spin_lock_irq(shost->host_lock); |
dea3101e | 867 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 868 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
869 | } |
870 | goto out; | |
871 | } | |
dea3101e | 872 | /* PLOGI failed */ |
92d7f7b0 JS |
873 | if (ndlp->nlp_DID == NameServer_DID) { |
874 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
875 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
876 | "0250 Nameserver login error: " | |
877 | "0x%x / 0x%x\n", | |
878 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
92d7f7b0 | 879 | } |
dea3101e | 880 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
858c9f6c | 881 | if (lpfc_error_lost_link(irsp)) { |
c9f8735b | 882 | rc = NLP_STE_FREED_NODE; |
2fe165b6 | 883 | } else { |
2e0fef85 | 884 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 885 | NLP_EVT_CMPL_PLOGI); |
dea3101e JB |
886 | } |
887 | } else { | |
888 | /* Good status, call state machine */ | |
92795650 | 889 | prsp = list_entry(((struct lpfc_dmabuf *) |
92d7f7b0 JS |
890 | cmdiocb->context2)->list.next, |
891 | struct lpfc_dmabuf, list); | |
892 | ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp); | |
2e0fef85 | 893 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 894 | NLP_EVT_CMPL_PLOGI); |
dea3101e JB |
895 | } |
896 | ||
2e0fef85 | 897 | if (disc && vport->num_disc_nodes) { |
dea3101e | 898 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 | 899 | lpfc_more_plogi(vport); |
dea3101e | 900 | |
2e0fef85 JS |
901 | if (vport->num_disc_nodes == 0) { |
902 | spin_lock_irq(shost->host_lock); | |
903 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
904 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 905 | |
2e0fef85 JS |
906 | lpfc_can_disctmo(vport); |
907 | if (vport->fc_flag & FC_RSCN_MODE) { | |
10d4e957 JS |
908 | /* |
909 | * Check to see if more RSCNs came in while | |
910 | * we were processing this one. | |
911 | */ | |
2e0fef85 JS |
912 | if ((vport->fc_rscn_id_cnt == 0) && |
913 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
914 | spin_lock_irq(shost->host_lock); | |
915 | vport->fc_flag &= ~FC_RSCN_MODE; | |
916 | spin_unlock_irq(shost->host_lock); | |
10d4e957 | 917 | } else { |
2e0fef85 | 918 | lpfc_els_handle_rscn(vport); |
10d4e957 | 919 | } |
dea3101e JB |
920 | } |
921 | } | |
922 | } | |
923 | ||
924 | out: | |
925 | lpfc_els_free_iocb(phba, cmdiocb); | |
926 | return; | |
927 | } | |
928 | ||
929 | int | |
2e0fef85 | 930 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
dea3101e | 931 | { |
2e0fef85 | 932 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
933 | struct serv_parm *sp; |
934 | IOCB_t *icmd; | |
935 | struct lpfc_iocbq *elsiocb; | |
936 | struct lpfc_sli_ring *pring; | |
937 | struct lpfc_sli *psli; | |
938 | uint8_t *pcmd; | |
939 | uint16_t cmdsize; | |
92d7f7b0 | 940 | int ret; |
dea3101e JB |
941 | |
942 | psli = &phba->sli; | |
943 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
944 | ||
92d7f7b0 | 945 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
2e0fef85 JS |
946 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did, |
947 | ELS_CMD_PLOGI); | |
c9f8735b JW |
948 | if (!elsiocb) |
949 | return 1; | |
dea3101e JB |
950 | |
951 | icmd = &elsiocb->iocb; | |
952 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
953 | ||
954 | /* For PLOGI request, remainder of payload is service parameters */ | |
955 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; | |
92d7f7b0 JS |
956 | pcmd += sizeof(uint32_t); |
957 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
dea3101e JB |
958 | sp = (struct serv_parm *) pcmd; |
959 | ||
960 | if (sp->cmn.fcphLow < FC_PH_4_3) | |
961 | sp->cmn.fcphLow = FC_PH_4_3; | |
962 | ||
963 | if (sp->cmn.fcphHigh < FC_PH3) | |
964 | sp->cmn.fcphHigh = FC_PH3; | |
965 | ||
858c9f6c JS |
966 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
967 | "Issue PLOGI: did:x%x", | |
968 | did, 0, 0); | |
969 | ||
dea3101e JB |
970 | phba->fc_stat.elsXmitPLOGI++; |
971 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; | |
92d7f7b0 JS |
972 | ret = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
973 | ||
974 | if (ret == IOCB_ERROR) { | |
dea3101e | 975 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 976 | return 1; |
dea3101e | 977 | } |
c9f8735b | 978 | return 0; |
dea3101e JB |
979 | } |
980 | ||
981 | static void | |
2e0fef85 JS |
982 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
983 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 984 | { |
2e0fef85 JS |
985 | struct lpfc_vport *vport = cmdiocb->vport; |
986 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e JB |
987 | IOCB_t *irsp; |
988 | struct lpfc_sli *psli; | |
989 | struct lpfc_nodelist *ndlp; | |
990 | ||
991 | psli = &phba->sli; | |
992 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
993 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
994 | ||
995 | irsp = &(rspiocb->iocb); | |
996 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
2e0fef85 | 997 | spin_lock_irq(shost->host_lock); |
dea3101e | 998 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 999 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1000 | |
858c9f6c JS |
1001 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1002 | "PRLI cmpl: status:x%x/x%x did:x%x", | |
1003 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1004 | ndlp->nlp_DID); | |
dea3101e | 1005 | /* PRLI completes to NPort <nlp_DID> */ |
e8b62011 JS |
1006 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1007 | "0103 PRLI completes to NPort x%x " | |
1008 | "Data: x%x x%x x%x x%x\n", | |
1009 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1010 | irsp->ulpTimeout, vport->num_disc_nodes); | |
dea3101e | 1011 | |
2e0fef85 | 1012 | vport->fc_prli_sent--; |
dea3101e | 1013 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1014 | if (lpfc_els_chk_latt(vport)) |
dea3101e JB |
1015 | goto out; |
1016 | ||
1017 | if (irsp->ulpStatus) { | |
1018 | /* Check for retry */ | |
1019 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1020 | /* ELS command is being retried */ | |
1021 | goto out; | |
1022 | } | |
1023 | /* PRLI failed */ | |
1024 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 1025 | if (lpfc_error_lost_link(irsp)) { |
dea3101e | 1026 | goto out; |
2fe165b6 | 1027 | } else { |
2e0fef85 | 1028 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1029 | NLP_EVT_CMPL_PRLI); |
dea3101e JB |
1030 | } |
1031 | } else { | |
1032 | /* Good status, call state machine */ | |
2e0fef85 | 1033 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1034 | NLP_EVT_CMPL_PRLI); |
dea3101e JB |
1035 | } |
1036 | ||
1037 | out: | |
1038 | lpfc_els_free_iocb(phba, cmdiocb); | |
1039 | return; | |
1040 | } | |
1041 | ||
1042 | int | |
2e0fef85 | 1043 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1044 | uint8_t retry) |
1045 | { | |
2e0fef85 JS |
1046 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1047 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1048 | PRLI *npr; |
1049 | IOCB_t *icmd; | |
1050 | struct lpfc_iocbq *elsiocb; | |
1051 | struct lpfc_sli_ring *pring; | |
1052 | struct lpfc_sli *psli; | |
1053 | uint8_t *pcmd; | |
1054 | uint16_t cmdsize; | |
1055 | ||
1056 | psli = &phba->sli; | |
1057 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1058 | ||
92d7f7b0 | 1059 | cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); |
2e0fef85 JS |
1060 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1061 | ndlp->nlp_DID, ELS_CMD_PRLI); | |
488d1469 | 1062 | if (!elsiocb) |
c9f8735b | 1063 | return 1; |
dea3101e JB |
1064 | |
1065 | icmd = &elsiocb->iocb; | |
1066 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1067 | ||
1068 | /* For PRLI request, remainder of payload is service parameters */ | |
92d7f7b0 | 1069 | memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t))); |
dea3101e | 1070 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
92d7f7b0 | 1071 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1072 | |
1073 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
1074 | npr = (PRLI *) pcmd; | |
1075 | /* | |
1076 | * If our firmware version is 3.20 or later, | |
1077 | * set the following bits for FC-TAPE support. | |
1078 | */ | |
1079 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { | |
1080 | npr->ConfmComplAllowed = 1; | |
1081 | npr->Retry = 1; | |
1082 | npr->TaskRetryIdReq = 1; | |
1083 | } | |
1084 | npr->estabImagePair = 1; | |
1085 | npr->readXferRdyDis = 1; | |
1086 | ||
1087 | /* For FCP support */ | |
1088 | npr->prliType = PRLI_FCP_TYPE; | |
1089 | npr->initiatorFunc = 1; | |
1090 | ||
858c9f6c JS |
1091 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1092 | "Issue PRLI: did:x%x", | |
1093 | ndlp->nlp_DID, 0, 0); | |
1094 | ||
dea3101e JB |
1095 | phba->fc_stat.elsXmitPRLI++; |
1096 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; | |
2e0fef85 | 1097 | spin_lock_irq(shost->host_lock); |
dea3101e | 1098 | ndlp->nlp_flag |= NLP_PRLI_SND; |
2e0fef85 | 1099 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1100 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 1101 | spin_lock_irq(shost->host_lock); |
dea3101e | 1102 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 1103 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1104 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1105 | return 1; |
dea3101e | 1106 | } |
2e0fef85 | 1107 | vport->fc_prli_sent++; |
c9f8735b | 1108 | return 0; |
dea3101e JB |
1109 | } |
1110 | ||
1111 | static void | |
2e0fef85 | 1112 | lpfc_more_adisc(struct lpfc_vport *vport) |
dea3101e JB |
1113 | { |
1114 | int sentadisc; | |
1115 | ||
2e0fef85 JS |
1116 | if (vport->num_disc_nodes) |
1117 | vport->num_disc_nodes--; | |
dea3101e | 1118 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
e8b62011 JS |
1119 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1120 | "0210 Continue discovery with %d ADISCs to go " | |
1121 | "Data: x%x x%x x%x\n", | |
1122 | vport->num_disc_nodes, vport->fc_adisc_cnt, | |
1123 | vport->fc_flag, vport->port_state); | |
dea3101e | 1124 | /* Check to see if there are more ADISCs to be sent */ |
2e0fef85 JS |
1125 | if (vport->fc_flag & FC_NLP_MORE) { |
1126 | lpfc_set_disctmo(vport); | |
1127 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ | |
1128 | sentadisc = lpfc_els_disc_adisc(vport); | |
dea3101e JB |
1129 | } |
1130 | return; | |
1131 | } | |
1132 | ||
1133 | static void | |
2e0fef85 | 1134 | lpfc_rscn_disc(struct lpfc_vport *vport) |
dea3101e | 1135 | { |
2e0fef85 JS |
1136 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1137 | ||
858c9f6c JS |
1138 | lpfc_can_disctmo(vport); |
1139 | ||
dea3101e | 1140 | /* RSCN discovery */ |
2e0fef85 JS |
1141 | /* go thru NPR nodes and issue ELS PLOGIs */ |
1142 | if (vport->fc_npr_cnt) | |
1143 | if (lpfc_els_disc_plogi(vport)) | |
dea3101e | 1144 | return; |
2e0fef85 JS |
1145 | |
1146 | if (vport->fc_flag & FC_RSCN_MODE) { | |
dea3101e JB |
1147 | /* Check to see if more RSCNs came in while we were |
1148 | * processing this one. | |
1149 | */ | |
2e0fef85 JS |
1150 | if ((vport->fc_rscn_id_cnt == 0) && |
1151 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
1152 | spin_lock_irq(shost->host_lock); | |
1153 | vport->fc_flag &= ~FC_RSCN_MODE; | |
1154 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1155 | } else { |
2e0fef85 | 1156 | lpfc_els_handle_rscn(vport); |
dea3101e JB |
1157 | } |
1158 | } | |
1159 | } | |
1160 | ||
1161 | static void | |
2e0fef85 JS |
1162 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1163 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1164 | { |
2e0fef85 JS |
1165 | struct lpfc_vport *vport = cmdiocb->vport; |
1166 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1167 | IOCB_t *irsp; |
dea3101e | 1168 | struct lpfc_nodelist *ndlp; |
2e0fef85 | 1169 | int disc; |
dea3101e JB |
1170 | |
1171 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1172 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1173 | ||
1174 | irsp = &(rspiocb->iocb); | |
1175 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
dea3101e | 1176 | |
858c9f6c JS |
1177 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1178 | "ADISC cmpl: status:x%x/x%x did:x%x", | |
1179 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1180 | ndlp->nlp_DID); | |
1181 | ||
dea3101e JB |
1182 | /* Since ndlp can be freed in the disc state machine, note if this node |
1183 | * is being used during discovery. | |
1184 | */ | |
2e0fef85 | 1185 | spin_lock_irq(shost->host_lock); |
dea3101e | 1186 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
c9f8735b | 1187 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
2e0fef85 | 1188 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1189 | /* ADISC completes to NPort <nlp_DID> */ |
e8b62011 JS |
1190 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1191 | "0104 ADISC completes to NPort x%x " | |
1192 | "Data: x%x x%x x%x x%x x%x\n", | |
1193 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1194 | irsp->ulpTimeout, disc, vport->num_disc_nodes); | |
dea3101e | 1195 | /* Check to see if link went down during discovery */ |
2e0fef85 JS |
1196 | if (lpfc_els_chk_latt(vport)) { |
1197 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1198 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1199 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
1200 | goto out; |
1201 | } | |
1202 | ||
1203 | if (irsp->ulpStatus) { | |
1204 | /* Check for retry */ | |
1205 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1206 | /* ELS command is being retried */ | |
1207 | if (disc) { | |
2e0fef85 | 1208 | spin_lock_irq(shost->host_lock); |
dea3101e | 1209 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 JS |
1210 | spin_unlock_irq(shost->host_lock); |
1211 | lpfc_set_disctmo(vport); | |
dea3101e JB |
1212 | } |
1213 | goto out; | |
1214 | } | |
1215 | /* ADISC failed */ | |
1216 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 1217 | if (!lpfc_error_lost_link(irsp)) { |
2e0fef85 | 1218 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
858c9f6c | 1219 | NLP_EVT_CMPL_ADISC); |
dea3101e JB |
1220 | } |
1221 | } else { | |
1222 | /* Good status, call state machine */ | |
2e0fef85 | 1223 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e JB |
1224 | NLP_EVT_CMPL_ADISC); |
1225 | } | |
1226 | ||
2e0fef85 | 1227 | if (disc && vport->num_disc_nodes) { |
dea3101e | 1228 | /* Check to see if there are more ADISCs to be sent */ |
2e0fef85 | 1229 | lpfc_more_adisc(vport); |
dea3101e JB |
1230 | |
1231 | /* Check to see if we are done with ADISC authentication */ | |
2e0fef85 | 1232 | if (vport->num_disc_nodes == 0) { |
92d7f7b0 JS |
1233 | /* If we get here, there is nothing left to ADISC */ |
1234 | /* | |
1235 | * For NPIV, cmpl_reg_vpi will set port_state to READY, | |
1236 | * and continue discovery. | |
1237 | */ | |
1238 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1239 | !(vport->fc_flag & FC_RSCN_MODE)) { | |
1240 | lpfc_issue_reg_vpi(phba, vport); | |
1241 | goto out; | |
1242 | } | |
1243 | /* | |
1244 | * For SLI2, we need to set port_state to READY | |
1245 | * and continue discovery. | |
1246 | */ | |
1247 | if (vport->port_state < LPFC_VPORT_READY) { | |
1248 | /* If we get here, there is nothing to ADISC */ | |
ed957684 | 1249 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 1250 | lpfc_issue_clear_la(phba, vport); |
92d7f7b0 JS |
1251 | |
1252 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { | |
1253 | vport->num_disc_nodes = 0; | |
1254 | /* go thru NPR list, issue ELS PLOGIs */ | |
1255 | if (vport->fc_npr_cnt) | |
1256 | lpfc_els_disc_plogi(vport); | |
1257 | ||
1258 | if (!vport->num_disc_nodes) { | |
1259 | spin_lock_irq(shost->host_lock); | |
1260 | vport->fc_flag &= | |
1261 | ~FC_NDISC_ACTIVE; | |
1262 | spin_unlock_irq( | |
1263 | shost->host_lock); | |
1264 | lpfc_can_disctmo(vport); | |
1265 | } | |
1266 | } | |
1267 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 1268 | } else { |
2e0fef85 | 1269 | lpfc_rscn_disc(vport); |
dea3101e JB |
1270 | } |
1271 | } | |
1272 | } | |
dea3101e JB |
1273 | out: |
1274 | lpfc_els_free_iocb(phba, cmdiocb); | |
1275 | return; | |
1276 | } | |
1277 | ||
1278 | int | |
2e0fef85 | 1279 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1280 | uint8_t retry) |
1281 | { | |
2e0fef85 JS |
1282 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1283 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1284 | ADISC *ap; |
1285 | IOCB_t *icmd; | |
1286 | struct lpfc_iocbq *elsiocb; | |
2e0fef85 JS |
1287 | struct lpfc_sli *psli = &phba->sli; |
1288 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e JB |
1289 | uint8_t *pcmd; |
1290 | uint16_t cmdsize; | |
1291 | ||
92d7f7b0 | 1292 | cmdsize = (sizeof(uint32_t) + sizeof(ADISC)); |
2e0fef85 JS |
1293 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1294 | ndlp->nlp_DID, ELS_CMD_ADISC); | |
488d1469 | 1295 | if (!elsiocb) |
c9f8735b | 1296 | return 1; |
dea3101e JB |
1297 | |
1298 | icmd = &elsiocb->iocb; | |
1299 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1300 | ||
1301 | /* For ADISC request, remainder of payload is service parameters */ | |
1302 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; | |
92d7f7b0 | 1303 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1304 | |
1305 | /* Fill in ADISC payload */ | |
1306 | ap = (ADISC *) pcmd; | |
1307 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
92d7f7b0 JS |
1308 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
1309 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 1310 | ap->DID = be32_to_cpu(vport->fc_myDID); |
dea3101e | 1311 | |
858c9f6c JS |
1312 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1313 | "Issue ADISC: did:x%x", | |
1314 | ndlp->nlp_DID, 0, 0); | |
1315 | ||
dea3101e JB |
1316 | phba->fc_stat.elsXmitADISC++; |
1317 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; | |
2e0fef85 | 1318 | spin_lock_irq(shost->host_lock); |
dea3101e | 1319 | ndlp->nlp_flag |= NLP_ADISC_SND; |
2e0fef85 | 1320 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1321 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 1322 | spin_lock_irq(shost->host_lock); |
dea3101e | 1323 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
2e0fef85 | 1324 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1325 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1326 | return 1; |
dea3101e | 1327 | } |
c9f8735b | 1328 | return 0; |
dea3101e JB |
1329 | } |
1330 | ||
1331 | static void | |
2e0fef85 JS |
1332 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1333 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1334 | { |
2e0fef85 JS |
1335 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1336 | struct lpfc_vport *vport = ndlp->vport; | |
1337 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e JB |
1338 | IOCB_t *irsp; |
1339 | struct lpfc_sli *psli; | |
dea3101e JB |
1340 | |
1341 | psli = &phba->sli; | |
1342 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1343 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1344 | ||
1345 | irsp = &(rspiocb->iocb); | |
2e0fef85 | 1346 | spin_lock_irq(shost->host_lock); |
dea3101e | 1347 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 1348 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1349 | |
858c9f6c JS |
1350 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1351 | "LOGO cmpl: status:x%x/x%x did:x%x", | |
1352 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1353 | ndlp->nlp_DID); | |
dea3101e | 1354 | /* LOGO completes to NPort <nlp_DID> */ |
e8b62011 JS |
1355 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1356 | "0105 LOGO completes to NPort x%x " | |
1357 | "Data: x%x x%x x%x x%x\n", | |
1358 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1359 | irsp->ulpTimeout, vport->num_disc_nodes); | |
dea3101e | 1360 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1361 | if (lpfc_els_chk_latt(vport)) |
dea3101e JB |
1362 | goto out; |
1363 | ||
92d7f7b0 JS |
1364 | if (ndlp->nlp_flag & NLP_TARGET_REMOVE) { |
1365 | /* NLP_EVT_DEVICE_RM should unregister the RPI | |
1366 | * which should abort all outstanding IOs. | |
1367 | */ | |
1368 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, | |
1369 | NLP_EVT_DEVICE_RM); | |
1370 | goto out; | |
1371 | } | |
1372 | ||
dea3101e JB |
1373 | if (irsp->ulpStatus) { |
1374 | /* Check for retry */ | |
2e0fef85 | 1375 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e JB |
1376 | /* ELS command is being retried */ |
1377 | goto out; | |
dea3101e JB |
1378 | /* LOGO failed */ |
1379 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 1380 | if (lpfc_error_lost_link(irsp)) |
dea3101e | 1381 | goto out; |
858c9f6c | 1382 | else |
2e0fef85 | 1383 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1384 | NLP_EVT_CMPL_LOGO); |
dea3101e | 1385 | } else { |
5024ab17 JW |
1386 | /* Good status, call state machine. |
1387 | * This will unregister the rpi if needed. | |
1388 | */ | |
2e0fef85 | 1389 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1390 | NLP_EVT_CMPL_LOGO); |
dea3101e JB |
1391 | } |
1392 | ||
1393 | out: | |
1394 | lpfc_els_free_iocb(phba, cmdiocb); | |
1395 | return; | |
1396 | } | |
1397 | ||
1398 | int | |
2e0fef85 | 1399 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1400 | uint8_t retry) |
1401 | { | |
2e0fef85 JS |
1402 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1403 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1404 | IOCB_t *icmd; |
1405 | struct lpfc_iocbq *elsiocb; | |
1406 | struct lpfc_sli_ring *pring; | |
1407 | struct lpfc_sli *psli; | |
1408 | uint8_t *pcmd; | |
1409 | uint16_t cmdsize; | |
92d7f7b0 | 1410 | int rc; |
dea3101e JB |
1411 | |
1412 | psli = &phba->sli; | |
1413 | pring = &psli->ring[LPFC_ELS_RING]; | |
1414 | ||
92d7f7b0 | 1415 | cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); |
2e0fef85 JS |
1416 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1417 | ndlp->nlp_DID, ELS_CMD_LOGO); | |
488d1469 | 1418 | if (!elsiocb) |
c9f8735b | 1419 | return 1; |
dea3101e JB |
1420 | |
1421 | icmd = &elsiocb->iocb; | |
1422 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1423 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
92d7f7b0 | 1424 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1425 | |
1426 | /* Fill in LOGO payload */ | |
2e0fef85 | 1427 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
92d7f7b0 JS |
1428 | pcmd += sizeof(uint32_t); |
1429 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); | |
dea3101e | 1430 | |
858c9f6c JS |
1431 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1432 | "Issue LOGO: did:x%x", | |
1433 | ndlp->nlp_DID, 0, 0); | |
1434 | ||
dea3101e JB |
1435 | phba->fc_stat.elsXmitLOGO++; |
1436 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; | |
2e0fef85 | 1437 | spin_lock_irq(shost->host_lock); |
dea3101e | 1438 | ndlp->nlp_flag |= NLP_LOGO_SND; |
2e0fef85 | 1439 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
1440 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
1441 | ||
1442 | if (rc == IOCB_ERROR) { | |
2e0fef85 | 1443 | spin_lock_irq(shost->host_lock); |
dea3101e | 1444 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 1445 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1446 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1447 | return 1; |
dea3101e | 1448 | } |
c9f8735b | 1449 | return 0; |
dea3101e JB |
1450 | } |
1451 | ||
1452 | static void | |
2e0fef85 JS |
1453 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1454 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1455 | { |
2e0fef85 | 1456 | struct lpfc_vport *vport = cmdiocb->vport; |
dea3101e JB |
1457 | IOCB_t *irsp; |
1458 | ||
1459 | irsp = &rspiocb->iocb; | |
1460 | ||
858c9f6c JS |
1461 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1462 | "ELS cmd cmpl: status:x%x/x%x did:x%x", | |
1463 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1464 | irsp->un.elsreq64.remoteID); | |
dea3101e | 1465 | /* ELS cmd tag <ulpIoTag> completes */ |
e8b62011 JS |
1466 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1467 | "0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", | |
1468 | irsp->ulpIoTag, irsp->ulpStatus, | |
1469 | irsp->un.ulpWord[4], irsp->ulpTimeout); | |
dea3101e | 1470 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1471 | lpfc_els_chk_latt(vport); |
dea3101e JB |
1472 | lpfc_els_free_iocb(phba, cmdiocb); |
1473 | return; | |
1474 | } | |
1475 | ||
1476 | int | |
2e0fef85 | 1477 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 1478 | { |
2e0fef85 | 1479 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1480 | IOCB_t *icmd; |
1481 | struct lpfc_iocbq *elsiocb; | |
1482 | struct lpfc_sli_ring *pring; | |
1483 | struct lpfc_sli *psli; | |
1484 | uint8_t *pcmd; | |
1485 | uint16_t cmdsize; | |
1486 | struct lpfc_nodelist *ndlp; | |
1487 | ||
1488 | psli = &phba->sli; | |
1489 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
92d7f7b0 | 1490 | cmdsize = (sizeof(uint32_t) + sizeof(SCR)); |
c9f8735b JW |
1491 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1492 | if (!ndlp) | |
1493 | return 1; | |
dea3101e | 1494 | |
2e0fef85 JS |
1495 | lpfc_nlp_init(vport, ndlp, nportid); |
1496 | ||
1497 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
1498 | ndlp->nlp_DID, ELS_CMD_SCR); | |
dea3101e | 1499 | |
488d1469 | 1500 | if (!elsiocb) { |
329f9bc7 | 1501 | lpfc_nlp_put(ndlp); |
c9f8735b | 1502 | return 1; |
dea3101e JB |
1503 | } |
1504 | ||
1505 | icmd = &elsiocb->iocb; | |
1506 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1507 | ||
1508 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; | |
92d7f7b0 | 1509 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1510 | |
1511 | /* For SCR, remainder of payload is SCR parameter page */ | |
92d7f7b0 | 1512 | memset(pcmd, 0, sizeof(SCR)); |
dea3101e JB |
1513 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
1514 | ||
858c9f6c JS |
1515 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1516 | "Issue SCR: did:x%x", | |
1517 | ndlp->nlp_DID, 0, 0); | |
1518 | ||
dea3101e JB |
1519 | phba->fc_stat.elsXmitSCR++; |
1520 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
dea3101e | 1521 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
329f9bc7 | 1522 | lpfc_nlp_put(ndlp); |
dea3101e | 1523 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1524 | return 1; |
dea3101e | 1525 | } |
329f9bc7 | 1526 | lpfc_nlp_put(ndlp); |
c9f8735b | 1527 | return 0; |
dea3101e JB |
1528 | } |
1529 | ||
1530 | static int | |
2e0fef85 | 1531 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 1532 | { |
2e0fef85 | 1533 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1534 | IOCB_t *icmd; |
1535 | struct lpfc_iocbq *elsiocb; | |
1536 | struct lpfc_sli_ring *pring; | |
1537 | struct lpfc_sli *psli; | |
1538 | FARP *fp; | |
1539 | uint8_t *pcmd; | |
1540 | uint32_t *lp; | |
1541 | uint16_t cmdsize; | |
1542 | struct lpfc_nodelist *ondlp; | |
1543 | struct lpfc_nodelist *ndlp; | |
1544 | ||
1545 | psli = &phba->sli; | |
1546 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
92d7f7b0 | 1547 | cmdsize = (sizeof(uint32_t) + sizeof(FARP)); |
c9f8735b JW |
1548 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1549 | if (!ndlp) | |
1550 | return 1; | |
dea3101e | 1551 | |
2e0fef85 JS |
1552 | lpfc_nlp_init(vport, ndlp, nportid); |
1553 | ||
1554 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
1555 | ndlp->nlp_DID, ELS_CMD_RNID); | |
488d1469 | 1556 | if (!elsiocb) { |
329f9bc7 | 1557 | lpfc_nlp_put(ndlp); |
c9f8735b | 1558 | return 1; |
dea3101e JB |
1559 | } |
1560 | ||
1561 | icmd = &elsiocb->iocb; | |
1562 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1563 | ||
1564 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; | |
92d7f7b0 | 1565 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1566 | |
1567 | /* Fill in FARPR payload */ | |
1568 | fp = (FARP *) (pcmd); | |
92d7f7b0 | 1569 | memset(fp, 0, sizeof(FARP)); |
dea3101e JB |
1570 | lp = (uint32_t *) pcmd; |
1571 | *lp++ = be32_to_cpu(nportid); | |
2e0fef85 | 1572 | *lp++ = be32_to_cpu(vport->fc_myDID); |
dea3101e JB |
1573 | fp->Rflags = 0; |
1574 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); | |
1575 | ||
92d7f7b0 JS |
1576 | memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); |
1577 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 JS |
1578 | ondlp = lpfc_findnode_did(vport, nportid); |
1579 | if (ondlp) { | |
dea3101e | 1580 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
92d7f7b0 | 1581 | sizeof(struct lpfc_name)); |
dea3101e | 1582 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
92d7f7b0 | 1583 | sizeof(struct lpfc_name)); |
dea3101e JB |
1584 | } |
1585 | ||
858c9f6c JS |
1586 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1587 | "Issue FARPR: did:x%x", | |
1588 | ndlp->nlp_DID, 0, 0); | |
1589 | ||
dea3101e JB |
1590 | phba->fc_stat.elsXmitFARPR++; |
1591 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
dea3101e | 1592 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
329f9bc7 | 1593 | lpfc_nlp_put(ndlp); |
dea3101e | 1594 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1595 | return 1; |
dea3101e | 1596 | } |
329f9bc7 | 1597 | lpfc_nlp_put(ndlp); |
c9f8735b | 1598 | return 0; |
dea3101e JB |
1599 | } |
1600 | ||
ed957684 JS |
1601 | static void |
1602 | lpfc_end_rscn(struct lpfc_vport *vport) | |
1603 | { | |
1604 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1605 | ||
1606 | if (vport->fc_flag & FC_RSCN_MODE) { | |
1607 | /* | |
1608 | * Check to see if more RSCNs came in while we were | |
1609 | * processing this one. | |
1610 | */ | |
1611 | if (vport->fc_rscn_id_cnt || | |
1612 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) | |
1613 | lpfc_els_handle_rscn(vport); | |
1614 | else { | |
1615 | spin_lock_irq(shost->host_lock); | |
1616 | vport->fc_flag &= ~FC_RSCN_MODE; | |
1617 | spin_unlock_irq(shost->host_lock); | |
1618 | } | |
1619 | } | |
1620 | } | |
1621 | ||
fdcebe28 | 1622 | void |
2e0fef85 | 1623 | lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) |
fdcebe28 | 1624 | { |
2e0fef85 JS |
1625 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1626 | ||
1627 | spin_lock_irq(shost->host_lock); | |
fdcebe28 | 1628 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1629 | spin_unlock_irq(shost->host_lock); |
fdcebe28 JS |
1630 | del_timer_sync(&nlp->nlp_delayfunc); |
1631 | nlp->nlp_last_elscmd = 0; | |
1632 | ||
1633 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) | |
1634 | list_del_init(&nlp->els_retry_evt.evt_listp); | |
1635 | ||
1636 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { | |
2e0fef85 | 1637 | spin_lock_irq(shost->host_lock); |
fdcebe28 | 1638 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 JS |
1639 | spin_unlock_irq(shost->host_lock); |
1640 | if (vport->num_disc_nodes) { | |
fdcebe28 JS |
1641 | /* Check to see if there are more |
1642 | * PLOGIs to be sent | |
1643 | */ | |
2e0fef85 JS |
1644 | lpfc_more_plogi(vport); |
1645 | ||
1646 | if (vport->num_disc_nodes == 0) { | |
1647 | spin_lock_irq(shost->host_lock); | |
1648 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1649 | spin_unlock_irq(shost->host_lock); | |
1650 | lpfc_can_disctmo(vport); | |
ed957684 | 1651 | lpfc_end_rscn(vport); |
fdcebe28 JS |
1652 | } |
1653 | } | |
1654 | } | |
1655 | return; | |
1656 | } | |
1657 | ||
dea3101e JB |
1658 | void |
1659 | lpfc_els_retry_delay(unsigned long ptr) | |
1660 | { | |
2e0fef85 JS |
1661 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
1662 | struct lpfc_vport *vport = ndlp->vport; | |
2e0fef85 | 1663 | struct lpfc_hba *phba = vport->phba; |
92d7f7b0 | 1664 | unsigned long flags; |
2e0fef85 | 1665 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
dea3101e | 1666 | |
2e0fef85 JS |
1667 | ndlp = (struct lpfc_nodelist *) ptr; |
1668 | phba = ndlp->vport->phba; | |
dea3101e JB |
1669 | evtp = &ndlp->els_retry_evt; |
1670 | ||
92d7f7b0 | 1671 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 1672 | if (!list_empty(&evtp->evt_listp)) { |
92d7f7b0 | 1673 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e JB |
1674 | return; |
1675 | } | |
1676 | ||
1677 | evtp->evt_arg1 = ndlp; | |
1678 | evtp->evt = LPFC_EVT_ELS_RETRY; | |
1679 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
1680 | if (phba->work_wait) | |
92d7f7b0 | 1681 | lpfc_worker_wake_up(phba); |
dea3101e | 1682 | |
92d7f7b0 | 1683 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e JB |
1684 | return; |
1685 | } | |
1686 | ||
1687 | void | |
1688 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) | |
1689 | { | |
2e0fef85 JS |
1690 | struct lpfc_vport *vport = ndlp->vport; |
1691 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1692 | uint32_t cmd, did, retry; | |
dea3101e | 1693 | |
2e0fef85 | 1694 | spin_lock_irq(shost->host_lock); |
5024ab17 JW |
1695 | did = ndlp->nlp_DID; |
1696 | cmd = ndlp->nlp_last_elscmd; | |
1697 | ndlp->nlp_last_elscmd = 0; | |
dea3101e JB |
1698 | |
1699 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2e0fef85 | 1700 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
1701 | return; |
1702 | } | |
1703 | ||
1704 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
2e0fef85 | 1705 | spin_unlock_irq(shost->host_lock); |
1a169689 JS |
1706 | /* |
1707 | * If a discovery event readded nlp_delayfunc after timer | |
1708 | * firing and before processing the timer, cancel the | |
1709 | * nlp_delayfunc. | |
1710 | */ | |
1711 | del_timer_sync(&ndlp->nlp_delayfunc); | |
dea3101e JB |
1712 | retry = ndlp->nlp_retry; |
1713 | ||
1714 | switch (cmd) { | |
1715 | case ELS_CMD_FLOGI: | |
2e0fef85 | 1716 | lpfc_issue_els_flogi(vport, ndlp, retry); |
dea3101e JB |
1717 | break; |
1718 | case ELS_CMD_PLOGI: | |
2e0fef85 | 1719 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
5024ab17 | 1720 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1721 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
6ad42535 | 1722 | } |
dea3101e JB |
1723 | break; |
1724 | case ELS_CMD_ADISC: | |
2e0fef85 | 1725 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
5024ab17 | 1726 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1727 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
6ad42535 | 1728 | } |
dea3101e JB |
1729 | break; |
1730 | case ELS_CMD_PRLI: | |
2e0fef85 | 1731 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
5024ab17 | 1732 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1733 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
6ad42535 | 1734 | } |
dea3101e JB |
1735 | break; |
1736 | case ELS_CMD_LOGO: | |
2e0fef85 | 1737 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
5024ab17 | 1738 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1739 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
6ad42535 | 1740 | } |
dea3101e | 1741 | break; |
92d7f7b0 JS |
1742 | case ELS_CMD_FDISC: |
1743 | lpfc_issue_els_fdisc(vport, ndlp, retry); | |
1744 | break; | |
dea3101e JB |
1745 | } |
1746 | return; | |
1747 | } | |
1748 | ||
1749 | static int | |
2e0fef85 JS |
1750 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1751 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1752 | { |
2e0fef85 JS |
1753 | struct lpfc_vport *vport = cmdiocb->vport; |
1754 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1755 | IOCB_t *irsp = &rspiocb->iocb; | |
1756 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1757 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
dea3101e JB |
1758 | uint32_t *elscmd; |
1759 | struct ls_rjt stat; | |
2e0fef85 JS |
1760 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
1761 | uint32_t cmd = 0; | |
488d1469 | 1762 | uint32_t did; |
dea3101e | 1763 | |
488d1469 | 1764 | |
dea3101e JB |
1765 | /* Note: context2 may be 0 for internal driver abort |
1766 | * of delays ELS command. | |
1767 | */ | |
1768 | ||
1769 | if (pcmd && pcmd->virt) { | |
1770 | elscmd = (uint32_t *) (pcmd->virt); | |
1771 | cmd = *elscmd++; | |
1772 | } | |
1773 | ||
329f9bc7 | 1774 | if (ndlp) |
488d1469 JS |
1775 | did = ndlp->nlp_DID; |
1776 | else { | |
1777 | /* We should only hit this case for retrying PLOGI */ | |
1778 | did = irsp->un.elsreq64.remoteID; | |
2e0fef85 | 1779 | ndlp = lpfc_findnode_did(vport, did); |
488d1469 JS |
1780 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) |
1781 | return 1; | |
1782 | } | |
1783 | ||
858c9f6c JS |
1784 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1785 | "Retry ELS: wd7:x%x wd4:x%x did:x%x", | |
1786 | *(((uint32_t *) irsp) + 7), irsp->un.ulpWord[4], ndlp->nlp_DID); | |
1787 | ||
dea3101e JB |
1788 | switch (irsp->ulpStatus) { |
1789 | case IOSTAT_FCP_RSP_ERROR: | |
1790 | case IOSTAT_REMOTE_STOP: | |
1791 | break; | |
1792 | ||
1793 | case IOSTAT_LOCAL_REJECT: | |
1794 | switch ((irsp->un.ulpWord[4] & 0xff)) { | |
1795 | case IOERR_LOOP_OPEN_FAILURE: | |
2e0fef85 | 1796 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
92d7f7b0 | 1797 | delay = 1000; |
dea3101e JB |
1798 | retry = 1; |
1799 | break; | |
1800 | ||
92d7f7b0 JS |
1801 | case IOERR_ILLEGAL_COMMAND: |
1802 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) && | |
1803 | (cmd == ELS_CMD_FDISC)) { | |
e8b62011 JS |
1804 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1805 | "0124 FDISC failed (3/6) " | |
1806 | "retrying...\n"); | |
92d7f7b0 JS |
1807 | lpfc_mbx_unreg_vpi(vport); |
1808 | retry = 1; | |
51ef4c26 JS |
1809 | /* FDISC retry policy */ |
1810 | maxretry = 48; | |
1811 | if (cmdiocb->retry >= 32) | |
1812 | delay = 1000; | |
92d7f7b0 JS |
1813 | } |
1814 | break; | |
1815 | ||
dea3101e | 1816 | case IOERR_NO_RESOURCES: |
858c9f6c JS |
1817 | retry = 1; |
1818 | if (cmdiocb->retry > 100) | |
1819 | delay = 100; | |
1820 | maxretry = 250; | |
1821 | break; | |
1822 | ||
1823 | case IOERR_ILLEGAL_FRAME: | |
92d7f7b0 | 1824 | delay = 100; |
dea3101e JB |
1825 | retry = 1; |
1826 | break; | |
1827 | ||
858c9f6c | 1828 | case IOERR_SEQUENCE_TIMEOUT: |
dea3101e JB |
1829 | case IOERR_INVALID_RPI: |
1830 | retry = 1; | |
1831 | break; | |
1832 | } | |
1833 | break; | |
1834 | ||
1835 | case IOSTAT_NPORT_RJT: | |
1836 | case IOSTAT_FABRIC_RJT: | |
1837 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
1838 | retry = 1; | |
1839 | break; | |
1840 | } | |
1841 | break; | |
1842 | ||
1843 | case IOSTAT_NPORT_BSY: | |
1844 | case IOSTAT_FABRIC_BSY: | |
1845 | retry = 1; | |
1846 | break; | |
1847 | ||
1848 | case IOSTAT_LS_RJT: | |
1849 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); | |
1850 | /* Added for Vendor specifc support | |
1851 | * Just keep retrying for these Rsn / Exp codes | |
1852 | */ | |
1853 | switch (stat.un.b.lsRjtRsnCode) { | |
1854 | case LSRJT_UNABLE_TPC: | |
1855 | if (stat.un.b.lsRjtRsnCodeExp == | |
1856 | LSEXP_CMD_IN_PROGRESS) { | |
1857 | if (cmd == ELS_CMD_PLOGI) { | |
92d7f7b0 | 1858 | delay = 1000; |
dea3101e JB |
1859 | maxretry = 48; |
1860 | } | |
1861 | retry = 1; | |
1862 | break; | |
1863 | } | |
1864 | if (cmd == ELS_CMD_PLOGI) { | |
92d7f7b0 | 1865 | delay = 1000; |
dea3101e JB |
1866 | maxretry = lpfc_max_els_tries + 1; |
1867 | retry = 1; | |
1868 | break; | |
1869 | } | |
92d7f7b0 JS |
1870 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
1871 | (cmd == ELS_CMD_FDISC) && | |
1872 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){ | |
e8b62011 JS |
1873 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1874 | "0125 FDISC Failed (x%x). " | |
1875 | "Fabric out of resources\n", | |
1876 | stat.un.lsRjtError); | |
92d7f7b0 JS |
1877 | lpfc_vport_set_state(vport, |
1878 | FC_VPORT_NO_FABRIC_RSCS); | |
1879 | } | |
dea3101e JB |
1880 | break; |
1881 | ||
1882 | case LSRJT_LOGICAL_BSY: | |
858c9f6c JS |
1883 | if ((cmd == ELS_CMD_PLOGI) || |
1884 | (cmd == ELS_CMD_PRLI)) { | |
92d7f7b0 | 1885 | delay = 1000; |
dea3101e | 1886 | maxretry = 48; |
92d7f7b0 | 1887 | } else if (cmd == ELS_CMD_FDISC) { |
51ef4c26 JS |
1888 | /* FDISC retry policy */ |
1889 | maxretry = 48; | |
1890 | if (cmdiocb->retry >= 32) | |
1891 | delay = 1000; | |
dea3101e JB |
1892 | } |
1893 | retry = 1; | |
1894 | break; | |
92d7f7b0 JS |
1895 | |
1896 | case LSRJT_LOGICAL_ERR: | |
1897 | case LSRJT_PROTOCOL_ERR: | |
1898 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1899 | (cmd == ELS_CMD_FDISC) && | |
1900 | ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) || | |
1901 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) | |
1902 | ) { | |
e8b62011 JS |
1903 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1904 | "0123 FDISC Failed (x%x). " | |
1905 | "Fabric Detected Bad WWN\n", | |
1906 | stat.un.lsRjtError); | |
92d7f7b0 JS |
1907 | lpfc_vport_set_state(vport, |
1908 | FC_VPORT_FABRIC_REJ_WWN); | |
1909 | } | |
1910 | break; | |
dea3101e JB |
1911 | } |
1912 | break; | |
1913 | ||
1914 | case IOSTAT_INTERMED_RSP: | |
1915 | case IOSTAT_BA_RJT: | |
1916 | break; | |
1917 | ||
1918 | default: | |
1919 | break; | |
1920 | } | |
1921 | ||
488d1469 | 1922 | if (did == FDMI_DID) |
dea3101e | 1923 | retry = 1; |
dea3101e JB |
1924 | |
1925 | if ((++cmdiocb->retry) >= maxretry) { | |
1926 | phba->fc_stat.elsRetryExceeded++; | |
1927 | retry = 0; | |
1928 | } | |
1929 | ||
ed957684 JS |
1930 | if ((vport->load_flag & FC_UNLOADING) != 0) |
1931 | retry = 0; | |
1932 | ||
dea3101e JB |
1933 | if (retry) { |
1934 | ||
1935 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
1936 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1937 | "0107 Retry ELS command x%x to remote " | |
1938 | "NPORT x%x Data: x%x x%x\n", | |
1939 | cmd, did, cmdiocb->retry, delay); | |
dea3101e | 1940 | |
858c9f6c JS |
1941 | if (((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) && |
1942 | ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || | |
1943 | ((irsp->un.ulpWord[4] & 0xff) != IOERR_NO_RESOURCES))) { | |
1944 | /* Don't reset timer for no resources */ | |
1945 | ||
dea3101e | 1946 | /* If discovery / RSCN timer is running, reset it */ |
2e0fef85 | 1947 | if (timer_pending(&vport->fc_disctmo) || |
92d7f7b0 | 1948 | (vport->fc_flag & FC_RSCN_MODE)) |
2e0fef85 | 1949 | lpfc_set_disctmo(vport); |
dea3101e JB |
1950 | } |
1951 | ||
1952 | phba->fc_stat.elsXmitRetry++; | |
488d1469 | 1953 | if (ndlp && delay) { |
dea3101e JB |
1954 | phba->fc_stat.elsDelayRetry++; |
1955 | ndlp->nlp_retry = cmdiocb->retry; | |
1956 | ||
92d7f7b0 JS |
1957 | /* delay is specified in milliseconds */ |
1958 | mod_timer(&ndlp->nlp_delayfunc, | |
1959 | jiffies + msecs_to_jiffies(delay)); | |
2e0fef85 | 1960 | spin_lock_irq(shost->host_lock); |
dea3101e | 1961 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1962 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1963 | |
5024ab17 | 1964 | ndlp->nlp_prev_state = ndlp->nlp_state; |
858c9f6c JS |
1965 | if (cmd == ELS_CMD_PRLI) |
1966 | lpfc_nlp_set_state(vport, ndlp, | |
1967 | NLP_STE_REG_LOGIN_ISSUE); | |
1968 | else | |
1969 | lpfc_nlp_set_state(vport, ndlp, | |
1970 | NLP_STE_NPR_NODE); | |
dea3101e JB |
1971 | ndlp->nlp_last_elscmd = cmd; |
1972 | ||
c9f8735b | 1973 | return 1; |
dea3101e JB |
1974 | } |
1975 | switch (cmd) { | |
1976 | case ELS_CMD_FLOGI: | |
2e0fef85 | 1977 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
c9f8735b | 1978 | return 1; |
92d7f7b0 JS |
1979 | case ELS_CMD_FDISC: |
1980 | lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry); | |
1981 | return 1; | |
dea3101e | 1982 | case ELS_CMD_PLOGI: |
488d1469 JS |
1983 | if (ndlp) { |
1984 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 1985 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 1986 | NLP_STE_PLOGI_ISSUE); |
488d1469 | 1987 | } |
2e0fef85 | 1988 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
c9f8735b | 1989 | return 1; |
dea3101e | 1990 | case ELS_CMD_ADISC: |
5024ab17 | 1991 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
1992 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1993 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 1994 | return 1; |
dea3101e | 1995 | case ELS_CMD_PRLI: |
5024ab17 | 1996 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
1997 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1998 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 1999 | return 1; |
dea3101e | 2000 | case ELS_CMD_LOGO: |
5024ab17 | 2001 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2002 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2003 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 2004 | return 1; |
dea3101e JB |
2005 | } |
2006 | } | |
dea3101e | 2007 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
a58cbd52 JS |
2008 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2009 | "0108 No retry ELS command x%x to remote " | |
2010 | "NPORT x%x Retried:%d Error:x%x/%x\n", | |
2011 | cmd, did, cmdiocb->retry, irsp->ulpStatus, | |
2012 | irsp->un.ulpWord[4]); | |
c9f8735b | 2013 | return 0; |
dea3101e JB |
2014 | } |
2015 | ||
2016 | int | |
329f9bc7 | 2017 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
dea3101e JB |
2018 | { |
2019 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; | |
2020 | ||
329f9bc7 JS |
2021 | if (elsiocb->context1) { |
2022 | lpfc_nlp_put(elsiocb->context1); | |
2023 | elsiocb->context1 = NULL; | |
2024 | } | |
dea3101e JB |
2025 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
2026 | if (elsiocb->context2) { | |
2027 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; | |
2028 | /* Free the response before processing the command. */ | |
2029 | if (!list_empty(&buf_ptr1->list)) { | |
2030 | list_remove_head(&buf_ptr1->list, buf_ptr, | |
2031 | struct lpfc_dmabuf, | |
2032 | list); | |
2033 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
2034 | kfree(buf_ptr); | |
2035 | } | |
2036 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); | |
2037 | kfree(buf_ptr1); | |
2038 | } | |
2039 | ||
2040 | if (elsiocb->context3) { | |
2041 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; | |
2042 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
2043 | kfree(buf_ptr); | |
2044 | } | |
604a3e30 | 2045 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
2046 | return 0; |
2047 | } | |
2048 | ||
2049 | static void | |
2e0fef85 JS |
2050 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2051 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 2052 | { |
2e0fef85 JS |
2053 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
2054 | struct lpfc_vport *vport = cmdiocb->vport; | |
858c9f6c JS |
2055 | IOCB_t *irsp; |
2056 | ||
2057 | irsp = &rspiocb->iocb; | |
2058 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2059 | "ACC LOGO cmpl: status:x%x/x%x did:x%x", | |
2060 | irsp->ulpStatus, irsp->un.ulpWord[4], ndlp->nlp_DID); | |
dea3101e | 2061 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
e8b62011 JS |
2062 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2063 | "0109 ACC to LOGO completes to NPort x%x " | |
2064 | "Data: x%x x%x x%x\n", | |
2065 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2066 | ndlp->nlp_rpi); | |
dea3101e JB |
2067 | switch (ndlp->nlp_state) { |
2068 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ | |
2e0fef85 | 2069 | lpfc_drop_node(vport, ndlp); |
dea3101e JB |
2070 | break; |
2071 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ | |
2e0fef85 | 2072 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e JB |
2073 | break; |
2074 | default: | |
2075 | break; | |
2076 | } | |
2077 | lpfc_els_free_iocb(phba, cmdiocb); | |
2078 | return; | |
2079 | } | |
2080 | ||
858c9f6c JS |
2081 | void |
2082 | lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2083 | { | |
2084 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2085 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2086 | ||
2087 | pmb->context1 = NULL; | |
2088 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2089 | kfree(mp); | |
2090 | mempool_free(pmb, phba->mbox_mem_pool); | |
2091 | lpfc_nlp_put(ndlp); | |
2092 | return; | |
2093 | } | |
2094 | ||
dea3101e | 2095 | static void |
858c9f6c | 2096 | lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
329f9bc7 | 2097 | struct lpfc_iocbq *rspiocb) |
dea3101e | 2098 | { |
2e0fef85 JS |
2099 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
2100 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; | |
2101 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; | |
33ccf8d1 | 2102 | IOCB_t *irsp; |
dea3101e | 2103 | LPFC_MBOXQ_t *mbox = NULL; |
2e0fef85 | 2104 | struct lpfc_dmabuf *mp = NULL; |
dea3101e | 2105 | |
33ccf8d1 JS |
2106 | irsp = &rspiocb->iocb; |
2107 | ||
dea3101e JB |
2108 | if (cmdiocb->context_un.mbox) |
2109 | mbox = cmdiocb->context_un.mbox; | |
2110 | ||
dea3101e | 2111 | /* Check to see if link went down during discovery */ |
2e0fef85 | 2112 | if (!ndlp || lpfc_els_chk_latt(vport)) { |
dea3101e | 2113 | if (mbox) { |
14691150 JS |
2114 | mp = (struct lpfc_dmabuf *) mbox->context1; |
2115 | if (mp) { | |
2116 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2117 | kfree(mp); | |
2118 | } | |
329f9bc7 | 2119 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e JB |
2120 | } |
2121 | goto out; | |
2122 | } | |
2123 | ||
858c9f6c | 2124 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
51ef4c26 | 2125 | "ELS rsp cmpl: status:x%x/x%x did:x%x", |
858c9f6c | 2126 | irsp->ulpStatus, irsp->un.ulpWord[4], |
51ef4c26 | 2127 | cmdiocb->iocb.un.elsreq64.remoteID); |
dea3101e | 2128 | /* ELS response tag <ulpIoTag> completes */ |
e8b62011 JS |
2129 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2130 | "0110 ELS response tag x%x completes " | |
2131 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", | |
2132 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, | |
2133 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, | |
2134 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2135 | ndlp->nlp_rpi); | |
dea3101e JB |
2136 | if (mbox) { |
2137 | if ((rspiocb->iocb.ulpStatus == 0) | |
2138 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { | |
2e0fef85 | 2139 | lpfc_unreg_rpi(vport, ndlp); |
329f9bc7 | 2140 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 2141 | mbox->vport = vport; |
858c9f6c JS |
2142 | if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) { |
2143 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
2144 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
2145 | } | |
2146 | else { | |
2147 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
2148 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2149 | lpfc_nlp_set_state(vport, ndlp, | |
2e0fef85 | 2150 | NLP_STE_REG_LOGIN_ISSUE); |
858c9f6c | 2151 | } |
0b727fea | 2152 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e JB |
2153 | != MBX_NOT_FINISHED) { |
2154 | goto out; | |
2155 | } | |
329f9bc7 | 2156 | lpfc_nlp_put(ndlp); |
dea3101e JB |
2157 | /* NOTE: we should have messages for unsuccessful |
2158 | reglogin */ | |
dea3101e | 2159 | } else { |
858c9f6c JS |
2160 | /* Do not drop node for lpfc_els_abort'ed ELS cmds */ |
2161 | if (!lpfc_error_lost_link(irsp) && | |
2162 | ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
2163 | lpfc_drop_node(vport, ndlp); | |
2164 | ndlp = NULL; | |
dea3101e JB |
2165 | } |
2166 | } | |
14691150 JS |
2167 | mp = (struct lpfc_dmabuf *) mbox->context1; |
2168 | if (mp) { | |
2169 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2170 | kfree(mp); | |
2171 | } | |
2172 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
2173 | } |
2174 | out: | |
2175 | if (ndlp) { | |
2e0fef85 | 2176 | spin_lock_irq(shost->host_lock); |
858c9f6c | 2177 | ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); |
2e0fef85 | 2178 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
2179 | } |
2180 | lpfc_els_free_iocb(phba, cmdiocb); | |
2181 | return; | |
2182 | } | |
2183 | ||
2184 | int | |
2e0fef85 JS |
2185 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
2186 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, | |
51ef4c26 | 2187 | LPFC_MBOXQ_t *mbox) |
dea3101e | 2188 | { |
2e0fef85 JS |
2189 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2190 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2191 | IOCB_t *icmd; |
2192 | IOCB_t *oldcmd; | |
2193 | struct lpfc_iocbq *elsiocb; | |
2194 | struct lpfc_sli_ring *pring; | |
2195 | struct lpfc_sli *psli; | |
2196 | uint8_t *pcmd; | |
2197 | uint16_t cmdsize; | |
2198 | int rc; | |
82d9a2a2 | 2199 | ELS_PKT *els_pkt_ptr; |
dea3101e JB |
2200 | |
2201 | psli = &phba->sli; | |
2202 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2203 | oldcmd = &oldiocb->iocb; | |
2204 | ||
2205 | switch (flag) { | |
2206 | case ELS_CMD_ACC: | |
92d7f7b0 | 2207 | cmdsize = sizeof(uint32_t); |
2e0fef85 JS |
2208 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
2209 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2210 | if (!elsiocb) { |
2e0fef85 | 2211 | spin_lock_irq(shost->host_lock); |
5024ab17 | 2212 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 2213 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2214 | return 1; |
dea3101e | 2215 | } |
2e0fef85 | 2216 | |
dea3101e JB |
2217 | icmd = &elsiocb->iocb; |
2218 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2219 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2220 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 2221 | pcmd += sizeof(uint32_t); |
858c9f6c JS |
2222 | |
2223 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2224 | "Issue ACC: did:x%x flg:x%x", | |
2225 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
dea3101e JB |
2226 | break; |
2227 | case ELS_CMD_PLOGI: | |
92d7f7b0 | 2228 | cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t)); |
2e0fef85 JS |
2229 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
2230 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2231 | if (!elsiocb) |
c9f8735b | 2232 | return 1; |
488d1469 | 2233 | |
dea3101e JB |
2234 | icmd = &elsiocb->iocb; |
2235 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2236 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2237 | ||
2238 | if (mbox) | |
2239 | elsiocb->context_un.mbox = mbox; | |
2240 | ||
2241 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 JS |
2242 | pcmd += sizeof(uint32_t); |
2243 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
858c9f6c JS |
2244 | |
2245 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2246 | "Issue ACC PLOGI: did:x%x flg:x%x", | |
2247 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
dea3101e | 2248 | break; |
82d9a2a2 | 2249 | case ELS_CMD_PRLO: |
92d7f7b0 | 2250 | cmdsize = sizeof(uint32_t) + sizeof(PRLO); |
2e0fef85 | 2251 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
82d9a2a2 JS |
2252 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
2253 | if (!elsiocb) | |
2254 | return 1; | |
2255 | ||
2256 | icmd = &elsiocb->iocb; | |
2257 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2258 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2259 | ||
2260 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, | |
92d7f7b0 | 2261 | sizeof(uint32_t) + sizeof(PRLO)); |
82d9a2a2 JS |
2262 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; |
2263 | els_pkt_ptr = (ELS_PKT *) pcmd; | |
2264 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; | |
858c9f6c JS |
2265 | |
2266 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2267 | "Issue ACC PRLO: did:x%x flg:x%x", | |
2268 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
82d9a2a2 | 2269 | break; |
dea3101e | 2270 | default: |
c9f8735b | 2271 | return 1; |
dea3101e | 2272 | } |
dea3101e | 2273 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2274 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2275 | "0128 Xmit ELS ACC response tag x%x, XRI: x%x, " | |
2276 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", | |
2277 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
2278 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2279 | ndlp->nlp_rpi); | |
dea3101e | 2280 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
2e0fef85 | 2281 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2282 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 2283 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
2284 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
2285 | } else { | |
858c9f6c | 2286 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e JB |
2287 | } |
2288 | ||
2289 | phba->fc_stat.elsXmitACC++; | |
dea3101e | 2290 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2291 | if (rc == IOCB_ERROR) { |
2292 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2293 | return 1; |
dea3101e | 2294 | } |
c9f8735b | 2295 | return 0; |
dea3101e JB |
2296 | } |
2297 | ||
2298 | int | |
2e0fef85 | 2299 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
858c9f6c JS |
2300 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
2301 | LPFC_MBOXQ_t *mbox) | |
dea3101e | 2302 | { |
2e0fef85 | 2303 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
2304 | IOCB_t *icmd; |
2305 | IOCB_t *oldcmd; | |
2306 | struct lpfc_iocbq *elsiocb; | |
2307 | struct lpfc_sli_ring *pring; | |
2308 | struct lpfc_sli *psli; | |
2309 | uint8_t *pcmd; | |
2310 | uint16_t cmdsize; | |
2311 | int rc; | |
2312 | ||
2313 | psli = &phba->sli; | |
2314 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2315 | ||
92d7f7b0 | 2316 | cmdsize = 2 * sizeof(uint32_t); |
2e0fef85 JS |
2317 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2318 | ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
488d1469 | 2319 | if (!elsiocb) |
c9f8735b | 2320 | return 1; |
dea3101e JB |
2321 | |
2322 | icmd = &elsiocb->iocb; | |
2323 | oldcmd = &oldiocb->iocb; | |
2324 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2325 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2326 | ||
2327 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
92d7f7b0 | 2328 | pcmd += sizeof(uint32_t); |
dea3101e JB |
2329 | *((uint32_t *) (pcmd)) = rejectError; |
2330 | ||
51ef4c26 | 2331 | if (mbox) |
858c9f6c | 2332 | elsiocb->context_un.mbox = mbox; |
858c9f6c | 2333 | |
dea3101e | 2334 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
e8b62011 JS |
2335 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2336 | "0129 Xmit ELS RJT x%x response tag x%x " | |
2337 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " | |
2338 | "rpi x%x\n", | |
2339 | rejectError, elsiocb->iotag, | |
2340 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2341 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
858c9f6c JS |
2342 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2343 | "Issue LS_RJT: did:x%x flg:x%x err:x%x", | |
2344 | ndlp->nlp_DID, ndlp->nlp_flag, rejectError); | |
2345 | ||
dea3101e | 2346 | phba->fc_stat.elsXmitLSRJT++; |
858c9f6c | 2347 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 2348 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
51ef4c26 JS |
2349 | |
2350 | /* If the node is in the UNUSED state, and we are sending | |
2351 | * a reject, we are done with it. Release driver reference | |
2352 | * count here. The outstanding els will release its reference on | |
2353 | * completion and the node can be freed then. | |
2354 | */ | |
2355 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
2356 | lpfc_nlp_put(ndlp); | |
2357 | ||
dea3101e JB |
2358 | if (rc == IOCB_ERROR) { |
2359 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2360 | return 1; |
dea3101e | 2361 | } |
c9f8735b | 2362 | return 0; |
dea3101e JB |
2363 | } |
2364 | ||
2365 | int | |
2e0fef85 JS |
2366 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
2367 | struct lpfc_nodelist *ndlp) | |
dea3101e | 2368 | { |
2e0fef85 JS |
2369 | struct lpfc_hba *phba = vport->phba; |
2370 | struct lpfc_sli *psli = &phba->sli; | |
2371 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 2372 | ADISC *ap; |
2e0fef85 | 2373 | IOCB_t *icmd, *oldcmd; |
dea3101e | 2374 | struct lpfc_iocbq *elsiocb; |
dea3101e JB |
2375 | uint8_t *pcmd; |
2376 | uint16_t cmdsize; | |
2377 | int rc; | |
2378 | ||
92d7f7b0 | 2379 | cmdsize = sizeof(uint32_t) + sizeof(ADISC); |
2e0fef85 JS |
2380 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2381 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2382 | if (!elsiocb) |
c9f8735b | 2383 | return 1; |
dea3101e | 2384 | |
5b8bd0c9 JS |
2385 | icmd = &elsiocb->iocb; |
2386 | oldcmd = &oldiocb->iocb; | |
2387 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2388 | ||
dea3101e | 2389 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2390 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2391 | "0130 Xmit ADISC ACC response iotag x%x xri: " | |
2392 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", | |
2393 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
2394 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2395 | ndlp->nlp_rpi); | |
dea3101e JB |
2396 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2397 | ||
2398 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 2399 | pcmd += sizeof(uint32_t); |
dea3101e JB |
2400 | |
2401 | ap = (ADISC *) (pcmd); | |
2402 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
92d7f7b0 JS |
2403 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
2404 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 2405 | ap->DID = be32_to_cpu(vport->fc_myDID); |
dea3101e | 2406 | |
858c9f6c JS |
2407 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2408 | "Issue ACC ADISC: did:x%x flg:x%x", | |
2409 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
2410 | ||
dea3101e | 2411 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 2412 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 2413 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2414 | if (rc == IOCB_ERROR) { |
2415 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2416 | return 1; |
dea3101e | 2417 | } |
c9f8735b | 2418 | return 0; |
dea3101e JB |
2419 | } |
2420 | ||
2421 | int | |
2e0fef85 | 2422 | lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
5b8bd0c9 | 2423 | struct lpfc_nodelist *ndlp) |
dea3101e | 2424 | { |
2e0fef85 | 2425 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
2426 | PRLI *npr; |
2427 | lpfc_vpd_t *vpd; | |
2428 | IOCB_t *icmd; | |
2429 | IOCB_t *oldcmd; | |
2430 | struct lpfc_iocbq *elsiocb; | |
2431 | struct lpfc_sli_ring *pring; | |
2432 | struct lpfc_sli *psli; | |
2433 | uint8_t *pcmd; | |
2434 | uint16_t cmdsize; | |
2435 | int rc; | |
2436 | ||
2437 | psli = &phba->sli; | |
2438 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2439 | ||
92d7f7b0 | 2440 | cmdsize = sizeof(uint32_t) + sizeof(PRLI); |
2e0fef85 | 2441 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
92d7f7b0 | 2442 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
c9f8735b JW |
2443 | if (!elsiocb) |
2444 | return 1; | |
dea3101e | 2445 | |
5b8bd0c9 JS |
2446 | icmd = &elsiocb->iocb; |
2447 | oldcmd = &oldiocb->iocb; | |
2448 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
dea3101e | 2449 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2450 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2451 | "0131 Xmit PRLI ACC response tag x%x xri x%x, " | |
2452 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2453 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
2454 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2455 | ndlp->nlp_rpi); | |
dea3101e JB |
2456 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2457 | ||
2458 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); | |
92d7f7b0 | 2459 | pcmd += sizeof(uint32_t); |
dea3101e JB |
2460 | |
2461 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
92d7f7b0 | 2462 | memset(pcmd, 0, sizeof(PRLI)); |
dea3101e JB |
2463 | |
2464 | npr = (PRLI *) pcmd; | |
2465 | vpd = &phba->vpd; | |
2466 | /* | |
2467 | * If our firmware version is 3.20 or later, | |
2468 | * set the following bits for FC-TAPE support. | |
2469 | */ | |
2470 | if (vpd->rev.feaLevelHigh >= 0x02) { | |
2471 | npr->ConfmComplAllowed = 1; | |
2472 | npr->Retry = 1; | |
2473 | npr->TaskRetryIdReq = 1; | |
2474 | } | |
2475 | ||
2476 | npr->acceptRspCode = PRLI_REQ_EXECUTED; | |
2477 | npr->estabImagePair = 1; | |
2478 | npr->readXferRdyDis = 1; | |
2479 | npr->ConfmComplAllowed = 1; | |
2480 | ||
2481 | npr->prliType = PRLI_FCP_TYPE; | |
2482 | npr->initiatorFunc = 1; | |
2483 | ||
858c9f6c JS |
2484 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2485 | "Issue ACC PRLI: did:x%x flg:x%x", | |
2486 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
2487 | ||
dea3101e | 2488 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 2489 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 2490 | |
dea3101e | 2491 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2492 | if (rc == IOCB_ERROR) { |
2493 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2494 | return 1; |
dea3101e | 2495 | } |
c9f8735b | 2496 | return 0; |
dea3101e JB |
2497 | } |
2498 | ||
2499 | static int | |
2e0fef85 | 2500 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
329f9bc7 | 2501 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
dea3101e | 2502 | { |
2e0fef85 | 2503 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2504 | RNID *rn; |
2e0fef85 | 2505 | IOCB_t *icmd, *oldcmd; |
dea3101e JB |
2506 | struct lpfc_iocbq *elsiocb; |
2507 | struct lpfc_sli_ring *pring; | |
2508 | struct lpfc_sli *psli; | |
2509 | uint8_t *pcmd; | |
2510 | uint16_t cmdsize; | |
2511 | int rc; | |
2512 | ||
2513 | psli = &phba->sli; | |
2514 | pring = &psli->ring[LPFC_ELS_RING]; | |
2515 | ||
92d7f7b0 JS |
2516 | cmdsize = sizeof(uint32_t) + sizeof(uint32_t) |
2517 | + (2 * sizeof(struct lpfc_name)); | |
dea3101e | 2518 | if (format) |
92d7f7b0 | 2519 | cmdsize += sizeof(RNID_TOP_DISC); |
dea3101e | 2520 | |
2e0fef85 JS |
2521 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2522 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2523 | if (!elsiocb) |
c9f8735b | 2524 | return 1; |
dea3101e | 2525 | |
5b8bd0c9 JS |
2526 | icmd = &elsiocb->iocb; |
2527 | oldcmd = &oldiocb->iocb; | |
2528 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
dea3101e | 2529 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2530 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2531 | "0132 Xmit RNID ACC response tag x%x xri x%x\n", | |
2532 | elsiocb->iotag, elsiocb->iocb.ulpContext); | |
dea3101e | 2533 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
dea3101e | 2534 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
92d7f7b0 | 2535 | pcmd += sizeof(uint32_t); |
dea3101e | 2536 | |
92d7f7b0 | 2537 | memset(pcmd, 0, sizeof(RNID)); |
dea3101e JB |
2538 | rn = (RNID *) (pcmd); |
2539 | rn->Format = format; | |
92d7f7b0 JS |
2540 | rn->CommonLen = (2 * sizeof(struct lpfc_name)); |
2541 | memcpy(&rn->portName, &vport->fc_portname, sizeof(struct lpfc_name)); | |
2542 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
dea3101e JB |
2543 | switch (format) { |
2544 | case 0: | |
2545 | rn->SpecificLen = 0; | |
2546 | break; | |
2547 | case RNID_TOPOLOGY_DISC: | |
92d7f7b0 | 2548 | rn->SpecificLen = sizeof(RNID_TOP_DISC); |
dea3101e | 2549 | memcpy(&rn->un.topologyDisc.portName, |
92d7f7b0 | 2550 | &vport->fc_portname, sizeof(struct lpfc_name)); |
dea3101e JB |
2551 | rn->un.topologyDisc.unitType = RNID_HBA; |
2552 | rn->un.topologyDisc.physPort = 0; | |
2553 | rn->un.topologyDisc.attachedNodes = 0; | |
2554 | break; | |
2555 | default: | |
2556 | rn->CommonLen = 0; | |
2557 | rn->SpecificLen = 0; | |
2558 | break; | |
2559 | } | |
2560 | ||
858c9f6c JS |
2561 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2562 | "Issue ACC RNID: did:x%x flg:x%x", | |
2563 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
2564 | ||
dea3101e | 2565 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 2566 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
329f9bc7 | 2567 | lpfc_nlp_put(ndlp); |
dea3101e JB |
2568 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
2569 | * it could be freed */ | |
2570 | ||
dea3101e | 2571 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2572 | if (rc == IOCB_ERROR) { |
2573 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2574 | return 1; |
dea3101e | 2575 | } |
c9f8735b | 2576 | return 0; |
dea3101e JB |
2577 | } |
2578 | ||
2579 | int | |
2e0fef85 | 2580 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
dea3101e | 2581 | { |
2e0fef85 | 2582 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2583 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2584 | int sentadisc = 0; |
dea3101e | 2585 | |
685f0bf7 | 2586 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
2e0fef85 | 2587 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2588 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
2589 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2590 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { | |
2e0fef85 | 2591 | spin_lock_irq(shost->host_lock); |
685f0bf7 | 2592 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2593 | spin_unlock_irq(shost->host_lock); |
685f0bf7 | 2594 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2595 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2596 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
685f0bf7 | 2597 | sentadisc++; |
2e0fef85 JS |
2598 | vport->num_disc_nodes++; |
2599 | if (vport->num_disc_nodes >= | |
3de2a653 | 2600 | vport->cfg_discovery_threads) { |
2e0fef85 JS |
2601 | spin_lock_irq(shost->host_lock); |
2602 | vport->fc_flag |= FC_NLP_MORE; | |
2603 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2604 | break; |
dea3101e JB |
2605 | } |
2606 | } | |
2607 | } | |
2608 | if (sentadisc == 0) { | |
2e0fef85 JS |
2609 | spin_lock_irq(shost->host_lock); |
2610 | vport->fc_flag &= ~FC_NLP_MORE; | |
2611 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2612 | } |
2fe165b6 | 2613 | return sentadisc; |
dea3101e JB |
2614 | } |
2615 | ||
2616 | int | |
2e0fef85 | 2617 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
dea3101e | 2618 | { |
2e0fef85 | 2619 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2620 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2621 | int sentplogi = 0; |
dea3101e | 2622 | |
2e0fef85 JS |
2623 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
2624 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
685f0bf7 JS |
2625 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
2626 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2627 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && | |
2628 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { | |
2629 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 JS |
2630 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2631 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
685f0bf7 | 2632 | sentplogi++; |
2e0fef85 JS |
2633 | vport->num_disc_nodes++; |
2634 | if (vport->num_disc_nodes >= | |
3de2a653 | 2635 | vport->cfg_discovery_threads) { |
2e0fef85 JS |
2636 | spin_lock_irq(shost->host_lock); |
2637 | vport->fc_flag |= FC_NLP_MORE; | |
2638 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2639 | break; |
dea3101e JB |
2640 | } |
2641 | } | |
2642 | } | |
2643 | if (sentplogi == 0) { | |
2e0fef85 JS |
2644 | spin_lock_irq(shost->host_lock); |
2645 | vport->fc_flag &= ~FC_NLP_MORE; | |
2646 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2647 | } |
2fe165b6 | 2648 | return sentplogi; |
dea3101e JB |
2649 | } |
2650 | ||
92d7f7b0 | 2651 | void |
2e0fef85 | 2652 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
dea3101e | 2653 | { |
2e0fef85 JS |
2654 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2655 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2656 | int i; |
2657 | ||
2e0fef85 | 2658 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
92d7f7b0 | 2659 | lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); |
2e0fef85 | 2660 | vport->fc_rscn_id_list[i] = NULL; |
dea3101e | 2661 | } |
2e0fef85 JS |
2662 | spin_lock_irq(shost->host_lock); |
2663 | vport->fc_rscn_id_cnt = 0; | |
2664 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); | |
2665 | spin_unlock_irq(shost->host_lock); | |
2666 | lpfc_can_disctmo(vport); | |
dea3101e JB |
2667 | } |
2668 | ||
2669 | int | |
2e0fef85 | 2670 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
dea3101e JB |
2671 | { |
2672 | D_ID ns_did; | |
2673 | D_ID rscn_did; | |
dea3101e | 2674 | uint32_t *lp; |
92d7f7b0 | 2675 | uint32_t payload_len, i; |
dea3101e JB |
2676 | |
2677 | ns_did.un.word = did; | |
dea3101e JB |
2678 | |
2679 | /* Never match fabric nodes for RSCNs */ | |
2680 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
2e0fef85 | 2681 | return 0; |
dea3101e JB |
2682 | |
2683 | /* If we are doing a FULL RSCN rediscovery, match everything */ | |
2e0fef85 | 2684 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
c9f8735b | 2685 | return did; |
dea3101e | 2686 | |
2e0fef85 | 2687 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
92d7f7b0 JS |
2688 | lp = vport->fc_rscn_id_list[i]->virt; |
2689 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); | |
2690 | payload_len -= sizeof(uint32_t); /* take off word 0 */ | |
dea3101e | 2691 | while (payload_len) { |
92d7f7b0 JS |
2692 | rscn_did.un.word = be32_to_cpu(*lp++); |
2693 | payload_len -= sizeof(uint32_t); | |
dea3101e JB |
2694 | switch (rscn_did.un.b.resv) { |
2695 | case 0: /* Single N_Port ID effected */ | |
2e0fef85 | 2696 | if (ns_did.un.word == rscn_did.un.word) |
92d7f7b0 | 2697 | return did; |
dea3101e JB |
2698 | break; |
2699 | case 1: /* Whole N_Port Area effected */ | |
2700 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) | |
2701 | && (ns_did.un.b.area == rscn_did.un.b.area)) | |
92d7f7b0 | 2702 | return did; |
dea3101e JB |
2703 | break; |
2704 | case 2: /* Whole N_Port Domain effected */ | |
2705 | if (ns_did.un.b.domain == rscn_did.un.b.domain) | |
92d7f7b0 | 2706 | return did; |
dea3101e JB |
2707 | break; |
2708 | default: | |
2e0fef85 | 2709 | /* Unknown Identifier in RSCN node */ |
e8b62011 JS |
2710 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2711 | "0217 Unknown Identifier in " | |
2712 | "RSCN payload Data: x%x\n", | |
2713 | rscn_did.un.word); | |
92d7f7b0 JS |
2714 | case 3: /* Whole Fabric effected */ |
2715 | return did; | |
dea3101e JB |
2716 | } |
2717 | } | |
92d7f7b0 JS |
2718 | } |
2719 | return 0; | |
dea3101e JB |
2720 | } |
2721 | ||
2722 | static int | |
2e0fef85 | 2723 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
dea3101e | 2724 | { |
685f0bf7 | 2725 | struct lpfc_nodelist *ndlp = NULL; |
dea3101e JB |
2726 | |
2727 | /* Look at all nodes effected by pending RSCNs and move | |
685f0bf7 | 2728 | * them to NPR state. |
dea3101e | 2729 | */ |
dea3101e | 2730 | |
2e0fef85 | 2731 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 | 2732 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || |
2e0fef85 | 2733 | lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) |
685f0bf7 | 2734 | continue; |
dea3101e | 2735 | |
2e0fef85 | 2736 | lpfc_disc_state_machine(vport, ndlp, NULL, |
92d7f7b0 | 2737 | NLP_EVT_DEVICE_RECOVERY); |
5024ab17 | 2738 | |
685f0bf7 JS |
2739 | /* |
2740 | * Make sure NLP_DELAY_TMO is NOT running after a device | |
2741 | * recovery event. | |
2742 | */ | |
2743 | if (ndlp->nlp_flag & NLP_DELAY_TMO) | |
2e0fef85 | 2744 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 2745 | } |
685f0bf7 | 2746 | |
c9f8735b | 2747 | return 0; |
dea3101e JB |
2748 | } |
2749 | ||
2750 | static int | |
2e0fef85 | 2751 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
51ef4c26 | 2752 | struct lpfc_nodelist *ndlp) |
dea3101e | 2753 | { |
2e0fef85 JS |
2754 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2755 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2756 | struct lpfc_dmabuf *pcmd; |
92d7f7b0 | 2757 | uint32_t *lp, *datap; |
dea3101e | 2758 | IOCB_t *icmd; |
92d7f7b0 JS |
2759 | uint32_t payload_len, length, nportid, *cmd; |
2760 | int rscn_cnt = vport->fc_rscn_id_cnt; | |
2761 | int rscn_id = 0, hba_id = 0; | |
d2873e4c | 2762 | int i; |
dea3101e JB |
2763 | |
2764 | icmd = &cmdiocb->iocb; | |
2765 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2766 | lp = (uint32_t *) pcmd->virt; | |
2767 | ||
92d7f7b0 JS |
2768 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
2769 | payload_len -= sizeof(uint32_t); /* take off word 0 */ | |
dea3101e | 2770 | /* RSCN received */ |
e8b62011 JS |
2771 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2772 | "0214 RSCN received Data: x%x x%x x%x x%x\n", | |
2773 | vport->fc_flag, payload_len, *lp, rscn_cnt); | |
d2873e4c | 2774 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
2e0fef85 | 2775 | fc_host_post_event(shost, fc_get_event_number(), |
d2873e4c JS |
2776 | FCH_EVT_RSCN, lp[i]); |
2777 | ||
dea3101e JB |
2778 | /* If we are about to begin discovery, just ACC the RSCN. |
2779 | * Discovery processing will satisfy it. | |
2780 | */ | |
2e0fef85 | 2781 | if (vport->port_state <= LPFC_NS_QRY) { |
858c9f6c JS |
2782 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2783 | "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x", | |
2784 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
2785 | ||
51ef4c26 | 2786 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
c9f8735b | 2787 | return 0; |
dea3101e JB |
2788 | } |
2789 | ||
92d7f7b0 JS |
2790 | /* If this RSCN just contains NPortIDs for other vports on this HBA, |
2791 | * just ACC and ignore it. | |
2792 | */ | |
2793 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
3de2a653 | 2794 | !(vport->cfg_peer_port_login)) { |
92d7f7b0 JS |
2795 | i = payload_len; |
2796 | datap = lp; | |
2797 | while (i > 0) { | |
2798 | nportid = *datap++; | |
2799 | nportid = ((be32_to_cpu(nportid)) & Mask_DID); | |
2800 | i -= sizeof(uint32_t); | |
2801 | rscn_id++; | |
549e55cd JS |
2802 | if (lpfc_find_vport_by_did(phba, nportid)) |
2803 | hba_id++; | |
92d7f7b0 JS |
2804 | } |
2805 | if (rscn_id == hba_id) { | |
2806 | /* ALL NPortIDs in RSCN are on HBA */ | |
e8b62011 JS |
2807 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2808 | "0214 Ignore RSCN " | |
2809 | "Data: x%x x%x x%x x%x\n", | |
2810 | vport->fc_flag, payload_len, | |
2811 | *lp, rscn_cnt); | |
858c9f6c JS |
2812 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2813 | "RCV RSCN vport: did:x%x/ste:x%x flg:x%x", | |
2814 | ndlp->nlp_DID, vport->port_state, | |
2815 | ndlp->nlp_flag); | |
2816 | ||
92d7f7b0 | 2817 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, |
51ef4c26 | 2818 | ndlp, NULL); |
92d7f7b0 JS |
2819 | return 0; |
2820 | } | |
2821 | } | |
2822 | ||
dea3101e JB |
2823 | /* If we are already processing an RSCN, save the received |
2824 | * RSCN payload buffer, cmdiocb->context2 to process later. | |
2825 | */ | |
2e0fef85 | 2826 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
858c9f6c JS |
2827 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2828 | "RCV RSCN defer: did:x%x/ste:x%x flg:x%x", | |
2829 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
2830 | ||
92d7f7b0 JS |
2831 | vport->fc_flag |= FC_RSCN_DEFERRED; |
2832 | if ((rscn_cnt < FC_MAX_HOLD_RSCN) && | |
2e0fef85 JS |
2833 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { |
2834 | spin_lock_irq(shost->host_lock); | |
2835 | vport->fc_flag |= FC_RSCN_MODE; | |
2836 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 JS |
2837 | if (rscn_cnt) { |
2838 | cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt; | |
2839 | length = be32_to_cpu(*cmd & ~ELS_CMD_MASK); | |
2840 | } | |
2841 | if ((rscn_cnt) && | |
2842 | (payload_len + length <= LPFC_BPL_SIZE)) { | |
2843 | *cmd &= ELS_CMD_MASK; | |
2844 | *cmd |= be32_to_cpu(payload_len + length); | |
2845 | memcpy(((uint8_t *)cmd) + length, lp, | |
2846 | payload_len); | |
2847 | } else { | |
2848 | vport->fc_rscn_id_list[rscn_cnt] = pcmd; | |
2849 | vport->fc_rscn_id_cnt++; | |
2850 | /* If we zero, cmdiocb->context2, the calling | |
2851 | * routine will not try to free it. | |
2852 | */ | |
2853 | cmdiocb->context2 = NULL; | |
2854 | } | |
dea3101e JB |
2855 | |
2856 | /* Deferred RSCN */ | |
e8b62011 JS |
2857 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2858 | "0235 Deferred RSCN " | |
2859 | "Data: x%x x%x x%x\n", | |
2860 | vport->fc_rscn_id_cnt, vport->fc_flag, | |
2861 | vport->port_state); | |
dea3101e | 2862 | } else { |
2e0fef85 JS |
2863 | spin_lock_irq(shost->host_lock); |
2864 | vport->fc_flag |= FC_RSCN_DISCOVERY; | |
2865 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2866 | /* ReDiscovery RSCN */ |
e8b62011 JS |
2867 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2868 | "0234 ReDiscovery RSCN " | |
2869 | "Data: x%x x%x x%x\n", | |
2870 | vport->fc_rscn_id_cnt, vport->fc_flag, | |
2871 | vport->port_state); | |
dea3101e JB |
2872 | } |
2873 | /* Send back ACC */ | |
51ef4c26 | 2874 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e JB |
2875 | |
2876 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2e0fef85 | 2877 | lpfc_rscn_recovery_check(vport); |
92d7f7b0 | 2878 | vport->fc_flag &= ~FC_RSCN_DEFERRED; |
c9f8735b | 2879 | return 0; |
dea3101e JB |
2880 | } |
2881 | ||
858c9f6c JS |
2882 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2883 | "RCV RSCN: did:x%x/ste:x%x flg:x%x", | |
2884 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
2885 | ||
2e0fef85 JS |
2886 | spin_lock_irq(shost->host_lock); |
2887 | vport->fc_flag |= FC_RSCN_MODE; | |
2888 | spin_unlock_irq(shost->host_lock); | |
2889 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; | |
dea3101e JB |
2890 | /* |
2891 | * If we zero, cmdiocb->context2, the calling routine will | |
2892 | * not try to free it. | |
2893 | */ | |
2894 | cmdiocb->context2 = NULL; | |
2895 | ||
2e0fef85 | 2896 | lpfc_set_disctmo(vport); |
dea3101e JB |
2897 | |
2898 | /* Send back ACC */ | |
51ef4c26 | 2899 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e JB |
2900 | |
2901 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2e0fef85 | 2902 | lpfc_rscn_recovery_check(vport); |
dea3101e | 2903 | |
2e0fef85 | 2904 | return lpfc_els_handle_rscn(vport); |
dea3101e JB |
2905 | } |
2906 | ||
2907 | int | |
2e0fef85 | 2908 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
dea3101e JB |
2909 | { |
2910 | struct lpfc_nodelist *ndlp; | |
2e0fef85 | 2911 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2912 | |
92d7f7b0 JS |
2913 | /* Ignore RSCN if the port is being torn down. */ |
2914 | if (vport->load_flag & FC_UNLOADING) { | |
2915 | lpfc_els_flush_rscn(vport); | |
2916 | return 0; | |
2917 | } | |
2918 | ||
dea3101e | 2919 | /* Start timer for RSCN processing */ |
2e0fef85 | 2920 | lpfc_set_disctmo(vport); |
dea3101e JB |
2921 | |
2922 | /* RSCN processed */ | |
e8b62011 JS |
2923 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2924 | "0215 RSCN processed Data: x%x x%x x%x x%x\n", | |
2925 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, | |
2926 | vport->port_state); | |
dea3101e JB |
2927 | |
2928 | /* To process RSCN, first compare RSCN data with NameServer */ | |
2e0fef85 JS |
2929 | vport->fc_ns_retry = 0; |
2930 | ndlp = lpfc_findnode_did(vport, NameServer_DID); | |
685f0bf7 | 2931 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
dea3101e | 2932 | /* Good ndlp, issue CT Request to NameServer */ |
92d7f7b0 | 2933 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) |
dea3101e JB |
2934 | /* Wait for NameServer query cmpl before we can |
2935 | continue */ | |
c9f8735b | 2936 | return 1; |
dea3101e JB |
2937 | } else { |
2938 | /* If login to NameServer does not exist, issue one */ | |
2939 | /* Good status, issue PLOGI to NameServer */ | |
2e0fef85 JS |
2940 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
2941 | if (ndlp) | |
dea3101e JB |
2942 | /* Wait for NameServer login cmpl before we can |
2943 | continue */ | |
c9f8735b | 2944 | return 1; |
2e0fef85 | 2945 | |
c9f8735b JW |
2946 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
2947 | if (!ndlp) { | |
2e0fef85 | 2948 | lpfc_els_flush_rscn(vport); |
c9f8735b | 2949 | return 0; |
dea3101e | 2950 | } else { |
2e0fef85 | 2951 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
dea3101e | 2952 | ndlp->nlp_type |= NLP_FABRIC; |
5024ab17 | 2953 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2954 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2955 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); | |
dea3101e JB |
2956 | /* Wait for NameServer login cmpl before we can |
2957 | continue */ | |
c9f8735b | 2958 | return 1; |
dea3101e JB |
2959 | } |
2960 | } | |
2961 | ||
2e0fef85 | 2962 | lpfc_els_flush_rscn(vport); |
c9f8735b | 2963 | return 0; |
dea3101e JB |
2964 | } |
2965 | ||
2966 | static int | |
2e0fef85 | 2967 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
51ef4c26 | 2968 | struct lpfc_nodelist *ndlp) |
dea3101e | 2969 | { |
2e0fef85 JS |
2970 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2971 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2972 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
2973 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
2974 | IOCB_t *icmd = &cmdiocb->iocb; | |
2975 | struct serv_parm *sp; | |
2976 | LPFC_MBOXQ_t *mbox; | |
2977 | struct ls_rjt stat; | |
2978 | uint32_t cmd, did; | |
2979 | int rc; | |
2980 | ||
2981 | cmd = *lp++; | |
2982 | sp = (struct serv_parm *) lp; | |
2983 | ||
2984 | /* FLOGI received */ | |
2985 | ||
2e0fef85 | 2986 | lpfc_set_disctmo(vport); |
dea3101e JB |
2987 | |
2988 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2989 | /* We should never receive a FLOGI in loop mode, ignore it */ | |
2990 | did = icmd->un.elsreq64.remoteID; | |
2991 | ||
2992 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in | |
2993 | Loop Mode */ | |
e8b62011 JS |
2994 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2995 | "0113 An FLOGI ELS command x%x was " | |
2996 | "received from DID x%x in Loop Mode\n", | |
2997 | cmd, did); | |
c9f8735b | 2998 | return 1; |
dea3101e JB |
2999 | } |
3000 | ||
3001 | did = Fabric_DID; | |
3002 | ||
2e0fef85 | 3003 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) { |
dea3101e JB |
3004 | /* For a FLOGI we accept, then if our portname is greater |
3005 | * then the remote portname we initiate Nport login. | |
3006 | */ | |
3007 | ||
2e0fef85 | 3008 | rc = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 3009 | sizeof(struct lpfc_name)); |
dea3101e JB |
3010 | |
3011 | if (!rc) { | |
2e0fef85 JS |
3012 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3013 | if (!mbox) | |
c9f8735b | 3014 | return 1; |
2e0fef85 | 3015 | |
dea3101e JB |
3016 | lpfc_linkdown(phba); |
3017 | lpfc_init_link(phba, mbox, | |
3018 | phba->cfg_topology, | |
3019 | phba->cfg_link_speed); | |
3020 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
3021 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 3022 | mbox->vport = vport; |
0b727fea | 3023 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
5b8bd0c9 | 3024 | lpfc_set_loopback_flag(phba); |
dea3101e | 3025 | if (rc == MBX_NOT_FINISHED) { |
329f9bc7 | 3026 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3027 | } |
c9f8735b | 3028 | return 1; |
2fe165b6 | 3029 | } else if (rc > 0) { /* greater than */ |
2e0fef85 JS |
3030 | spin_lock_irq(shost->host_lock); |
3031 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
3032 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3033 | } |
2e0fef85 JS |
3034 | spin_lock_irq(shost->host_lock); |
3035 | vport->fc_flag |= FC_PT2PT; | |
3036 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
3037 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
3038 | } else { |
3039 | /* Reject this request because invalid parameters */ | |
3040 | stat.un.b.lsRjtRsvd0 = 0; | |
3041 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3042 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
3043 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3044 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3045 | NULL); | |
c9f8735b | 3046 | return 1; |
dea3101e JB |
3047 | } |
3048 | ||
3049 | /* Send back ACC */ | |
51ef4c26 | 3050 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
dea3101e | 3051 | |
c9f8735b | 3052 | return 0; |
dea3101e JB |
3053 | } |
3054 | ||
3055 | static int | |
2e0fef85 JS |
3056 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3057 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
3058 | { |
3059 | struct lpfc_dmabuf *pcmd; | |
3060 | uint32_t *lp; | |
3061 | IOCB_t *icmd; | |
3062 | RNID *rn; | |
3063 | struct ls_rjt stat; | |
3064 | uint32_t cmd, did; | |
3065 | ||
3066 | icmd = &cmdiocb->iocb; | |
3067 | did = icmd->un.elsreq64.remoteID; | |
3068 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3069 | lp = (uint32_t *) pcmd->virt; | |
3070 | ||
3071 | cmd = *lp++; | |
3072 | rn = (RNID *) lp; | |
3073 | ||
3074 | /* RNID received */ | |
3075 | ||
3076 | switch (rn->Format) { | |
3077 | case 0: | |
3078 | case RNID_TOPOLOGY_DISC: | |
3079 | /* Send back ACC */ | |
2e0fef85 | 3080 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
dea3101e JB |
3081 | break; |
3082 | default: | |
3083 | /* Reject this request because format not supported */ | |
3084 | stat.un.b.lsRjtRsvd0 = 0; | |
3085 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3086 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3087 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3088 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3089 | NULL); | |
dea3101e | 3090 | } |
c9f8735b | 3091 | return 0; |
dea3101e JB |
3092 | } |
3093 | ||
3094 | static int | |
2e0fef85 JS |
3095 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3096 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
3097 | { |
3098 | struct ls_rjt stat; | |
3099 | ||
3100 | /* For now, unconditionally reject this command */ | |
3101 | stat.un.b.lsRjtRsvd0 = 0; | |
3102 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3103 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3104 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 3105 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
7bb3b137 JW |
3106 | return 0; |
3107 | } | |
3108 | ||
082c0266 | 3109 | static void |
329f9bc7 | 3110 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
7bb3b137 | 3111 | { |
2e0fef85 JS |
3112 | struct lpfc_sli *psli = &phba->sli; |
3113 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
7bb3b137 JW |
3114 | MAILBOX_t *mb; |
3115 | IOCB_t *icmd; | |
3116 | RPS_RSP *rps_rsp; | |
3117 | uint8_t *pcmd; | |
3118 | struct lpfc_iocbq *elsiocb; | |
3119 | struct lpfc_nodelist *ndlp; | |
3120 | uint16_t xri, status; | |
3121 | uint32_t cmdsize; | |
3122 | ||
7bb3b137 JW |
3123 | mb = &pmb->mb; |
3124 | ||
3125 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3126 | xri = (uint16_t) ((unsigned long)(pmb->context1)); | |
041976fb RD |
3127 | pmb->context1 = NULL; |
3128 | pmb->context2 = NULL; | |
7bb3b137 JW |
3129 | |
3130 | if (mb->mbxStatus) { | |
329f9bc7 | 3131 | mempool_free(pmb, phba->mbox_mem_pool); |
7bb3b137 JW |
3132 | return; |
3133 | } | |
3134 | ||
3135 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); | |
329f9bc7 | 3136 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 JS |
3137 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
3138 | lpfc_max_els_tries, ndlp, | |
3139 | ndlp->nlp_DID, ELS_CMD_ACC); | |
329f9bc7 | 3140 | lpfc_nlp_put(ndlp); |
c9f8735b | 3141 | if (!elsiocb) |
7bb3b137 | 3142 | return; |
7bb3b137 JW |
3143 | |
3144 | icmd = &elsiocb->iocb; | |
3145 | icmd->ulpContext = xri; | |
3146 | ||
3147 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
3148 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 3149 | pcmd += sizeof(uint32_t); /* Skip past command */ |
7bb3b137 JW |
3150 | rps_rsp = (RPS_RSP *)pcmd; |
3151 | ||
3152 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
3153 | status = 0x10; | |
3154 | else | |
3155 | status = 0x8; | |
2e0fef85 | 3156 | if (phba->pport->fc_flag & FC_FABRIC) |
7bb3b137 JW |
3157 | status |= 0x4; |
3158 | ||
3159 | rps_rsp->rsvd1 = 0; | |
3160 | rps_rsp->portStatus = be16_to_cpu(status); | |
3161 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); | |
3162 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); | |
3163 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); | |
3164 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); | |
3165 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); | |
3166 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); | |
7bb3b137 | 3167 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ |
e8b62011 JS |
3168 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, |
3169 | "0118 Xmit ELS RPS ACC response tag x%x xri x%x, " | |
3170 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
3171 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
3172 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3173 | ndlp->nlp_rpi); | |
858c9f6c | 3174 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
7bb3b137 | 3175 | phba->fc_stat.elsXmitACC++; |
ed957684 | 3176 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) |
7bb3b137 | 3177 | lpfc_els_free_iocb(phba, elsiocb); |
7bb3b137 JW |
3178 | return; |
3179 | } | |
3180 | ||
3181 | static int | |
2e0fef85 JS |
3182 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3183 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3184 | { |
2e0fef85 | 3185 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3186 | uint32_t *lp; |
7bb3b137 JW |
3187 | uint8_t flag; |
3188 | LPFC_MBOXQ_t *mbox; | |
3189 | struct lpfc_dmabuf *pcmd; | |
3190 | RPS *rps; | |
3191 | struct ls_rjt stat; | |
3192 | ||
2fe165b6 JW |
3193 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
3194 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
3195 | stat.un.b.lsRjtRsvd0 = 0; |
3196 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3197 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3198 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3199 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3200 | NULL); | |
7bb3b137 JW |
3201 | } |
3202 | ||
3203 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3204 | lp = (uint32_t *) pcmd->virt; | |
3205 | flag = (be32_to_cpu(*lp++) & 0xf); | |
3206 | rps = (RPS *) lp; | |
3207 | ||
3208 | if ((flag == 0) || | |
3209 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || | |
2e0fef85 | 3210 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
92d7f7b0 | 3211 | sizeof(struct lpfc_name)) == 0))) { |
2e0fef85 | 3212 | |
92d7f7b0 JS |
3213 | printk("Fix me....\n"); |
3214 | dump_stack(); | |
2e0fef85 JS |
3215 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
3216 | if (mbox) { | |
7bb3b137 JW |
3217 | lpfc_read_lnk_stat(phba, mbox); |
3218 | mbox->context1 = | |
92d7f7b0 | 3219 | (void *)((unsigned long) cmdiocb->iocb.ulpContext); |
329f9bc7 | 3220 | mbox->context2 = lpfc_nlp_get(ndlp); |
92d7f7b0 | 3221 | mbox->vport = vport; |
7bb3b137 | 3222 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
0b727fea JS |
3223 | if (lpfc_sli_issue_mbox (phba, mbox, MBX_NOWAIT) |
3224 | != MBX_NOT_FINISHED) | |
7bb3b137 JW |
3225 | /* Mbox completion will send ELS Response */ |
3226 | return 0; | |
2e0fef85 | 3227 | |
329f9bc7 | 3228 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
3229 | mempool_free(mbox, phba->mbox_mem_pool); |
3230 | } | |
3231 | } | |
3232 | stat.un.b.lsRjtRsvd0 = 0; | |
3233 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3234 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3235 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 3236 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
7bb3b137 JW |
3237 | return 0; |
3238 | } | |
3239 | ||
082c0266 | 3240 | static int |
2e0fef85 JS |
3241 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
3242 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
7bb3b137 | 3243 | { |
2e0fef85 JS |
3244 | struct lpfc_hba *phba = vport->phba; |
3245 | IOCB_t *icmd, *oldcmd; | |
7bb3b137 JW |
3246 | RPL_RSP rpl_rsp; |
3247 | struct lpfc_iocbq *elsiocb; | |
2e0fef85 JS |
3248 | struct lpfc_sli *psli = &phba->sli; |
3249 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
7bb3b137 | 3250 | uint8_t *pcmd; |
dea3101e | 3251 | |
2e0fef85 JS |
3252 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
3253 | ndlp->nlp_DID, ELS_CMD_ACC); | |
7bb3b137 | 3254 | |
488d1469 | 3255 | if (!elsiocb) |
7bb3b137 | 3256 | return 1; |
488d1469 | 3257 | |
7bb3b137 JW |
3258 | icmd = &elsiocb->iocb; |
3259 | oldcmd = &oldiocb->iocb; | |
3260 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
3261 | ||
3262 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
3263 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 3264 | pcmd += sizeof(uint16_t); |
7bb3b137 JW |
3265 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); |
3266 | pcmd += sizeof(uint16_t); | |
3267 | ||
3268 | /* Setup the RPL ACC payload */ | |
3269 | rpl_rsp.listLen = be32_to_cpu(1); | |
3270 | rpl_rsp.index = 0; | |
3271 | rpl_rsp.port_num_blk.portNum = 0; | |
2e0fef85 JS |
3272 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
3273 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, | |
7bb3b137 | 3274 | sizeof(struct lpfc_name)); |
7bb3b137 | 3275 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); |
7bb3b137 | 3276 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ |
e8b62011 JS |
3277 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3278 | "0120 Xmit ELS RPL ACC response tag x%x " | |
3279 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " | |
3280 | "rpi x%x\n", | |
3281 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
3282 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3283 | ndlp->nlp_rpi); | |
858c9f6c | 3284 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
7bb3b137 JW |
3285 | phba->fc_stat.elsXmitACC++; |
3286 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
3287 | lpfc_els_free_iocb(phba, elsiocb); | |
3288 | return 1; | |
3289 | } | |
3290 | return 0; | |
3291 | } | |
3292 | ||
3293 | static int | |
2e0fef85 JS |
3294 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3295 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
3296 | { |
3297 | struct lpfc_dmabuf *pcmd; | |
3298 | uint32_t *lp; | |
3299 | uint32_t maxsize; | |
3300 | uint16_t cmdsize; | |
3301 | RPL *rpl; | |
3302 | struct ls_rjt stat; | |
3303 | ||
2fe165b6 JW |
3304 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
3305 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
3306 | stat.un.b.lsRjtRsvd0 = 0; |
3307 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3308 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3309 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3310 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3311 | NULL); | |
7bb3b137 JW |
3312 | } |
3313 | ||
dea3101e JB |
3314 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
3315 | lp = (uint32_t *) pcmd->virt; | |
7bb3b137 | 3316 | rpl = (RPL *) (lp + 1); |
dea3101e | 3317 | |
7bb3b137 | 3318 | maxsize = be32_to_cpu(rpl->maxsize); |
dea3101e | 3319 | |
7bb3b137 JW |
3320 | /* We support only one port */ |
3321 | if ((rpl->index == 0) && | |
3322 | ((maxsize == 0) || | |
3323 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { | |
3324 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); | |
2fe165b6 | 3325 | } else { |
7bb3b137 JW |
3326 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
3327 | } | |
2e0fef85 | 3328 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
dea3101e JB |
3329 | |
3330 | return 0; | |
3331 | } | |
3332 | ||
3333 | static int | |
2e0fef85 JS |
3334 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3335 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
3336 | { |
3337 | struct lpfc_dmabuf *pcmd; | |
3338 | uint32_t *lp; | |
3339 | IOCB_t *icmd; | |
3340 | FARP *fp; | |
3341 | uint32_t cmd, cnt, did; | |
3342 | ||
3343 | icmd = &cmdiocb->iocb; | |
3344 | did = icmd->un.elsreq64.remoteID; | |
3345 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3346 | lp = (uint32_t *) pcmd->virt; | |
3347 | ||
3348 | cmd = *lp++; | |
3349 | fp = (FARP *) lp; | |
dea3101e | 3350 | /* FARP-REQ received from DID <did> */ |
e8b62011 JS |
3351 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3352 | "0601 FARP-REQ received from DID x%x\n", did); | |
dea3101e JB |
3353 | /* We will only support match on WWPN or WWNN */ |
3354 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { | |
c9f8735b | 3355 | return 0; |
dea3101e JB |
3356 | } |
3357 | ||
3358 | cnt = 0; | |
3359 | /* If this FARP command is searching for my portname */ | |
3360 | if (fp->Mflags & FARP_MATCH_PORT) { | |
2e0fef85 | 3361 | if (memcmp(&fp->RportName, &vport->fc_portname, |
92d7f7b0 | 3362 | sizeof(struct lpfc_name)) == 0) |
dea3101e JB |
3363 | cnt = 1; |
3364 | } | |
3365 | ||
3366 | /* If this FARP command is searching for my nodename */ | |
3367 | if (fp->Mflags & FARP_MATCH_NODE) { | |
2e0fef85 | 3368 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
92d7f7b0 | 3369 | sizeof(struct lpfc_name)) == 0) |
dea3101e JB |
3370 | cnt = 1; |
3371 | } | |
3372 | ||
3373 | if (cnt) { | |
3374 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
3375 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { | |
3376 | /* Log back into the node before sending the FARP. */ | |
3377 | if (fp->Rflags & FARP_REQUEST_PLOGI) { | |
5024ab17 | 3378 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3379 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3380 | NLP_STE_PLOGI_ISSUE); |
2e0fef85 | 3381 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
dea3101e JB |
3382 | } |
3383 | ||
3384 | /* Send a FARP response to that node */ | |
2e0fef85 JS |
3385 | if (fp->Rflags & FARP_REQUEST_FARPR) |
3386 | lpfc_issue_els_farpr(vport, did, 0); | |
dea3101e JB |
3387 | } |
3388 | } | |
c9f8735b | 3389 | return 0; |
dea3101e JB |
3390 | } |
3391 | ||
3392 | static int | |
2e0fef85 JS |
3393 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3394 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
3395 | { |
3396 | struct lpfc_dmabuf *pcmd; | |
3397 | uint32_t *lp; | |
3398 | IOCB_t *icmd; | |
3399 | uint32_t cmd, did; | |
3400 | ||
3401 | icmd = &cmdiocb->iocb; | |
3402 | did = icmd->un.elsreq64.remoteID; | |
3403 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3404 | lp = (uint32_t *) pcmd->virt; | |
3405 | ||
3406 | cmd = *lp++; | |
3407 | /* FARP-RSP received from DID <did> */ | |
e8b62011 JS |
3408 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3409 | "0600 FARP-RSP received from DID x%x\n", did); | |
dea3101e | 3410 | /* ACCEPT the Farp resp request */ |
51ef4c26 | 3411 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e JB |
3412 | |
3413 | return 0; | |
3414 | } | |
3415 | ||
3416 | static int | |
2e0fef85 JS |
3417 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3418 | struct lpfc_nodelist *fan_ndlp) | |
dea3101e JB |
3419 | { |
3420 | struct lpfc_dmabuf *pcmd; | |
3421 | uint32_t *lp; | |
3422 | IOCB_t *icmd; | |
dea3101e | 3423 | uint32_t cmd, did; |
5024ab17 JW |
3424 | FAN *fp; |
3425 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 3426 | struct lpfc_hba *phba = vport->phba; |
5024ab17 JW |
3427 | |
3428 | /* FAN received */ | |
e8b62011 JS |
3429 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3430 | "0265 FAN received\n"); | |
dea3101e JB |
3431 | icmd = &cmdiocb->iocb; |
3432 | did = icmd->un.elsreq64.remoteID; | |
5024ab17 JW |
3433 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
3434 | lp = (uint32_t *)pcmd->virt; | |
dea3101e JB |
3435 | |
3436 | cmd = *lp++; | |
92d7f7b0 | 3437 | fp = (FAN *) lp; |
dea3101e | 3438 | |
5024ab17 | 3439 | /* FAN received; Fan does not have a reply sequence */ |
dea3101e | 3440 | |
2e0fef85 | 3441 | if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) { |
5024ab17 JW |
3442 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
3443 | sizeof(struct lpfc_name)) != 0) || | |
3444 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, | |
3445 | sizeof(struct lpfc_name)) != 0)) { | |
3446 | /* | |
3447 | * This node has switched fabrics. FLOGI is required | |
3448 | * Clean up the old rpi's | |
dea3101e | 3449 | */ |
5024ab17 JW |
3450 | |
3451 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2e0fef85 | 3452 | &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
3453 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
3454 | continue; | |
5024ab17 JW |
3455 | if (ndlp->nlp_type & NLP_FABRIC) { |
3456 | /* | |
3457 | * Clean up old Fabric, Nameserver and | |
3458 | * other NLP_FABRIC logins | |
3459 | */ | |
2e0fef85 | 3460 | lpfc_drop_node(vport, ndlp); |
2fe165b6 | 3461 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
5024ab17 JW |
3462 | /* Fail outstanding I/O now since this |
3463 | * device is marked for PLOGI | |
3464 | */ | |
2e0fef85 | 3465 | lpfc_unreg_rpi(vport, ndlp); |
5024ab17 JW |
3466 | } |
3467 | } | |
3468 | ||
2e0fef85 JS |
3469 | vport->port_state = LPFC_FLOGI; |
3470 | lpfc_set_disctmo(vport); | |
3471 | lpfc_initial_flogi(vport); | |
c9f8735b | 3472 | return 0; |
dea3101e | 3473 | } |
5024ab17 JW |
3474 | /* Discovery not needed, |
3475 | * move the nodes to their original state. | |
3476 | */ | |
2e0fef85 | 3477 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
3478 | nlp_listp) { |
3479 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
3480 | continue; | |
dea3101e | 3481 | |
5024ab17 JW |
3482 | switch (ndlp->nlp_prev_state) { |
3483 | case NLP_STE_UNMAPPED_NODE: | |
3484 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2e0fef85 | 3485 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3486 | NLP_STE_UNMAPPED_NODE); |
5024ab17 JW |
3487 | break; |
3488 | ||
3489 | case NLP_STE_MAPPED_NODE: | |
3490 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2e0fef85 | 3491 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3492 | NLP_STE_MAPPED_NODE); |
5024ab17 JW |
3493 | break; |
3494 | ||
3495 | default: | |
3496 | break; | |
3497 | } | |
3498 | } | |
3499 | ||
3500 | /* Start discovery - this should just do CLEAR_LA */ | |
2e0fef85 | 3501 | lpfc_disc_start(vport); |
dea3101e | 3502 | } |
c9f8735b | 3503 | return 0; |
dea3101e JB |
3504 | } |
3505 | ||
3506 | void | |
3507 | lpfc_els_timeout(unsigned long ptr) | |
3508 | { | |
2e0fef85 JS |
3509 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
3510 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3511 | unsigned long iflag; |
3512 | ||
2e0fef85 JS |
3513 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
3514 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { | |
3515 | vport->work_port_events |= WORKER_ELS_TMO; | |
92d7f7b0 JS |
3516 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
3517 | ||
3518 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e | 3519 | if (phba->work_wait) |
92d7f7b0 JS |
3520 | lpfc_worker_wake_up(phba); |
3521 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e | 3522 | } |
92d7f7b0 JS |
3523 | else |
3524 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); | |
dea3101e JB |
3525 | return; |
3526 | } | |
3527 | ||
3528 | void | |
2e0fef85 | 3529 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 3530 | { |
2e0fef85 | 3531 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
3532 | struct lpfc_sli_ring *pring; |
3533 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3534 | IOCB_t *cmd = NULL; | |
3535 | struct lpfc_dmabuf *pcmd; | |
2e0fef85 | 3536 | uint32_t els_command = 0; |
dea3101e | 3537 | uint32_t timeout; |
2e0fef85 | 3538 | uint32_t remote_ID = 0xffffffff; |
dea3101e | 3539 | |
dea3101e | 3540 | /* If the timer is already canceled do nothing */ |
2e0fef85 | 3541 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
dea3101e JB |
3542 | return; |
3543 | } | |
2e0fef85 | 3544 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3545 | timeout = (uint32_t)(phba->fc_ratov << 1); |
3546 | ||
3547 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
dea3101e JB |
3548 | |
3549 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3550 | cmd = &piocb->iocb; | |
3551 | ||
2e0fef85 JS |
3552 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
3553 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
3554 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) | |
dea3101e | 3555 | continue; |
2e0fef85 JS |
3556 | |
3557 | if (piocb->vport != vport) | |
3558 | continue; | |
3559 | ||
dea3101e | 3560 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
2e0fef85 JS |
3561 | if (pcmd) |
3562 | els_command = *(uint32_t *) (pcmd->virt); | |
dea3101e | 3563 | |
92d7f7b0 JS |
3564 | if (els_command == ELS_CMD_FARP || |
3565 | els_command == ELS_CMD_FARPR || | |
3566 | els_command == ELS_CMD_FDISC) | |
3567 | continue; | |
3568 | ||
3569 | if (vport != piocb->vport) | |
dea3101e | 3570 | continue; |
dea3101e JB |
3571 | |
3572 | if (piocb->drvrTimeout > 0) { | |
92d7f7b0 | 3573 | if (piocb->drvrTimeout >= timeout) |
dea3101e | 3574 | piocb->drvrTimeout -= timeout; |
92d7f7b0 | 3575 | else |
dea3101e | 3576 | piocb->drvrTimeout = 0; |
dea3101e JB |
3577 | continue; |
3578 | } | |
3579 | ||
2e0fef85 JS |
3580 | remote_ID = 0xffffffff; |
3581 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) | |
dea3101e | 3582 | remote_ID = cmd->un.elsreq64.remoteID; |
2e0fef85 JS |
3583 | else { |
3584 | struct lpfc_nodelist *ndlp; | |
3585 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); | |
3586 | if (ndlp) | |
3587 | remote_ID = ndlp->nlp_DID; | |
dea3101e | 3588 | } |
e8b62011 JS |
3589 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3590 | "0127 ELS timeout Data: x%x x%x x%x " | |
3591 | "x%x\n", els_command, | |
3592 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); | |
07951076 | 3593 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3594 | } |
2e0fef85 | 3595 | spin_unlock_irq(&phba->hbalock); |
5a0e326d | 3596 | |
2e0fef85 JS |
3597 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
3598 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); | |
dea3101e JB |
3599 | } |
3600 | ||
3601 | void | |
2e0fef85 | 3602 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
dea3101e | 3603 | { |
2534ba75 | 3604 | LIST_HEAD(completions); |
2e0fef85 | 3605 | struct lpfc_hba *phba = vport->phba; |
329f9bc7 | 3606 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
dea3101e JB |
3607 | struct lpfc_iocbq *tmp_iocb, *piocb; |
3608 | IOCB_t *cmd = NULL; | |
92d7f7b0 JS |
3609 | |
3610 | lpfc_fabric_abort_vport(vport); | |
dea3101e | 3611 | |
2e0fef85 | 3612 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3613 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
3614 | cmd = &piocb->iocb; | |
3615 | ||
3616 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3617 | continue; | |
3618 | } | |
3619 | ||
3620 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
329f9bc7 JS |
3621 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
3622 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
3623 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
3624 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
dea3101e | 3625 | continue; |
dea3101e | 3626 | |
2e0fef85 JS |
3627 | if (piocb->vport != vport) |
3628 | continue; | |
3629 | ||
2534ba75 | 3630 | list_move_tail(&piocb->list, &completions); |
1dcb58e5 | 3631 | pring->txq_cnt--; |
dea3101e JB |
3632 | } |
3633 | ||
3634 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
dea3101e JB |
3635 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
3636 | continue; | |
3637 | } | |
dea3101e | 3638 | |
2e0fef85 JS |
3639 | if (piocb->vport != vport) |
3640 | continue; | |
3641 | ||
07951076 | 3642 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3643 | } |
2e0fef85 | 3644 | spin_unlock_irq(&phba->hbalock); |
2534ba75 | 3645 | |
2e0fef85 | 3646 | while (!list_empty(&completions)) { |
2534ba75 JS |
3647 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
3648 | cmd = &piocb->iocb; | |
92d7f7b0 | 3649 | list_del_init(&piocb->list); |
2534ba75 | 3650 | |
2e0fef85 JS |
3651 | if (!piocb->iocb_cmpl) |
3652 | lpfc_sli_release_iocbq(phba, piocb); | |
3653 | else { | |
2534ba75 JS |
3654 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
3655 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3656 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
2e0fef85 | 3657 | } |
2534ba75 JS |
3658 | } |
3659 | ||
dea3101e JB |
3660 | return; |
3661 | } | |
3662 | ||
549e55cd JS |
3663 | void |
3664 | lpfc_els_flush_all_cmd(struct lpfc_hba *phba) | |
3665 | { | |
3666 | LIST_HEAD(completions); | |
3667 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
3668 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3669 | IOCB_t *cmd = NULL; | |
3670 | ||
3671 | lpfc_fabric_abort_hba(phba); | |
3672 | spin_lock_irq(&phba->hbalock); | |
3673 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { | |
3674 | cmd = &piocb->iocb; | |
3675 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) | |
3676 | continue; | |
3677 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
3678 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || | |
3679 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
3680 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
3681 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
3682 | continue; | |
3683 | list_move_tail(&piocb->list, &completions); | |
3684 | pring->txq_cnt--; | |
3685 | } | |
3686 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3687 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) | |
3688 | continue; | |
3689 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); | |
3690 | } | |
3691 | spin_unlock_irq(&phba->hbalock); | |
3692 | while (!list_empty(&completions)) { | |
3693 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
3694 | cmd = &piocb->iocb; | |
3695 | list_del_init(&piocb->list); | |
3696 | if (!piocb->iocb_cmpl) | |
3697 | lpfc_sli_release_iocbq(phba, piocb); | |
3698 | else { | |
3699 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
3700 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3701 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
3702 | } | |
3703 | } | |
3704 | return; | |
3705 | } | |
3706 | ||
ed957684 JS |
3707 | static void |
3708 | lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
92d7f7b0 | 3709 | struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) |
dea3101e | 3710 | { |
dea3101e | 3711 | struct lpfc_nodelist *ndlp; |
dea3101e | 3712 | struct ls_rjt stat; |
92d7f7b0 | 3713 | uint32_t *payload; |
2e0fef85 | 3714 | uint32_t cmd, did, newnode, rjt_err = 0; |
ed957684 | 3715 | IOCB_t *icmd = &elsiocb->iocb; |
dea3101e | 3716 | |
92d7f7b0 | 3717 | if (vport == NULL || elsiocb->context2 == NULL) |
dea3101e | 3718 | goto dropit; |
2e0fef85 | 3719 | |
dea3101e | 3720 | newnode = 0; |
92d7f7b0 JS |
3721 | payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; |
3722 | cmd = *payload; | |
ed957684 JS |
3723 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
3724 | lpfc_post_buffer(phba, pring, 1, 1); | |
dea3101e | 3725 | |
858c9f6c JS |
3726 | did = icmd->un.rcvels.remoteID; |
3727 | if (icmd->ulpStatus) { | |
3728 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
3729 | "RCV Unsol ELS: status:x%x/x%x did:x%x", | |
3730 | icmd->ulpStatus, icmd->un.ulpWord[4], did); | |
dea3101e | 3731 | goto dropit; |
858c9f6c | 3732 | } |
dea3101e JB |
3733 | |
3734 | /* Check to see if link went down during discovery */ | |
ed957684 | 3735 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 3736 | goto dropit; |
dea3101e | 3737 | |
92d7f7b0 JS |
3738 | /* Ignore traffic recevied during vport shutdown. */ |
3739 | if (vport->load_flag & FC_UNLOADING) | |
3740 | goto dropit; | |
3741 | ||
2e0fef85 | 3742 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 3743 | if (!ndlp) { |
dea3101e | 3744 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b | 3745 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
ed957684 | 3746 | if (!ndlp) |
dea3101e | 3747 | goto dropit; |
dea3101e | 3748 | |
2e0fef85 | 3749 | lpfc_nlp_init(vport, ndlp, did); |
dea3101e JB |
3750 | newnode = 1; |
3751 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { | |
3752 | ndlp->nlp_type |= NLP_FABRIC; | |
3753 | } | |
2e0fef85 | 3754 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
dea3101e JB |
3755 | } |
3756 | ||
3757 | phba->fc_stat.elsRcvFrame++; | |
329f9bc7 JS |
3758 | if (elsiocb->context1) |
3759 | lpfc_nlp_put(elsiocb->context1); | |
3760 | elsiocb->context1 = lpfc_nlp_get(ndlp); | |
2e0fef85 | 3761 | elsiocb->vport = vport; |
dea3101e JB |
3762 | |
3763 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { | |
3764 | cmd &= ELS_CMD_MASK; | |
3765 | } | |
3766 | /* ELS command <elsCmd> received from NPORT <did> */ | |
e8b62011 JS |
3767 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3768 | "0112 ELS command x%x received from NPORT x%x " | |
3769 | "Data: x%x\n", cmd, did, vport->port_state); | |
dea3101e JB |
3770 | switch (cmd) { |
3771 | case ELS_CMD_PLOGI: | |
858c9f6c JS |
3772 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3773 | "RCV PLOGI: did:x%x/ste:x%x flg:x%x", | |
3774 | did, vport->port_state, ndlp->nlp_flag); | |
3775 | ||
dea3101e | 3776 | phba->fc_stat.elsRcvPLOGI++; |
858c9f6c JS |
3777 | ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); |
3778 | ||
3779 | if (vport->port_state < LPFC_DISC_AUTH) { | |
3780 | rjt_err = LSRJT_UNABLE_TPC; | |
dea3101e JB |
3781 | break; |
3782 | } | |
2e0fef85 JS |
3783 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3784 | NLP_EVT_RCV_PLOGI); | |
858c9f6c | 3785 | |
dea3101e JB |
3786 | break; |
3787 | case ELS_CMD_FLOGI: | |
858c9f6c JS |
3788 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3789 | "RCV FLOGI: did:x%x/ste:x%x flg:x%x", | |
3790 | did, vport->port_state, ndlp->nlp_flag); | |
3791 | ||
dea3101e | 3792 | phba->fc_stat.elsRcvFLOGI++; |
51ef4c26 | 3793 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp); |
de0c5b32 | 3794 | if (newnode) |
2e0fef85 | 3795 | lpfc_drop_node(vport, ndlp); |
dea3101e JB |
3796 | break; |
3797 | case ELS_CMD_LOGO: | |
858c9f6c JS |
3798 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3799 | "RCV LOGO: did:x%x/ste:x%x flg:x%x", | |
3800 | did, vport->port_state, ndlp->nlp_flag); | |
3801 | ||
dea3101e | 3802 | phba->fc_stat.elsRcvLOGO++; |
2e0fef85 | 3803 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3804 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3805 | break; |
3806 | } | |
2e0fef85 | 3807 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
dea3101e JB |
3808 | break; |
3809 | case ELS_CMD_PRLO: | |
858c9f6c JS |
3810 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3811 | "RCV PRLO: did:x%x/ste:x%x flg:x%x", | |
3812 | did, vport->port_state, ndlp->nlp_flag); | |
3813 | ||
dea3101e | 3814 | phba->fc_stat.elsRcvPRLO++; |
2e0fef85 | 3815 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3816 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3817 | break; |
3818 | } | |
2e0fef85 | 3819 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
dea3101e JB |
3820 | break; |
3821 | case ELS_CMD_RSCN: | |
3822 | phba->fc_stat.elsRcvRSCN++; | |
51ef4c26 | 3823 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp); |
de0c5b32 | 3824 | if (newnode) |
2e0fef85 | 3825 | lpfc_drop_node(vport, ndlp); |
dea3101e JB |
3826 | break; |
3827 | case ELS_CMD_ADISC: | |
858c9f6c JS |
3828 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3829 | "RCV ADISC: did:x%x/ste:x%x flg:x%x", | |
3830 | did, vport->port_state, ndlp->nlp_flag); | |
3831 | ||
dea3101e | 3832 | phba->fc_stat.elsRcvADISC++; |
2e0fef85 | 3833 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3834 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3835 | break; |
3836 | } | |
2e0fef85 JS |
3837 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3838 | NLP_EVT_RCV_ADISC); | |
dea3101e JB |
3839 | break; |
3840 | case ELS_CMD_PDISC: | |
858c9f6c JS |
3841 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3842 | "RCV PDISC: did:x%x/ste:x%x flg:x%x", | |
3843 | did, vport->port_state, ndlp->nlp_flag); | |
3844 | ||
dea3101e | 3845 | phba->fc_stat.elsRcvPDISC++; |
2e0fef85 | 3846 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3847 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3848 | break; |
3849 | } | |
2e0fef85 JS |
3850 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3851 | NLP_EVT_RCV_PDISC); | |
dea3101e JB |
3852 | break; |
3853 | case ELS_CMD_FARPR: | |
858c9f6c JS |
3854 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3855 | "RCV FARPR: did:x%x/ste:x%x flg:x%x", | |
3856 | did, vport->port_state, ndlp->nlp_flag); | |
3857 | ||
dea3101e | 3858 | phba->fc_stat.elsRcvFARPR++; |
2e0fef85 | 3859 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
dea3101e JB |
3860 | break; |
3861 | case ELS_CMD_FARP: | |
858c9f6c JS |
3862 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3863 | "RCV FARP: did:x%x/ste:x%x flg:x%x", | |
3864 | did, vport->port_state, ndlp->nlp_flag); | |
3865 | ||
dea3101e | 3866 | phba->fc_stat.elsRcvFARP++; |
2e0fef85 | 3867 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
dea3101e JB |
3868 | break; |
3869 | case ELS_CMD_FAN: | |
858c9f6c JS |
3870 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3871 | "RCV FAN: did:x%x/ste:x%x flg:x%x", | |
3872 | did, vport->port_state, ndlp->nlp_flag); | |
3873 | ||
dea3101e | 3874 | phba->fc_stat.elsRcvFAN++; |
2e0fef85 | 3875 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
dea3101e | 3876 | break; |
dea3101e | 3877 | case ELS_CMD_PRLI: |
858c9f6c JS |
3878 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3879 | "RCV PRLI: did:x%x/ste:x%x flg:x%x", | |
3880 | did, vport->port_state, ndlp->nlp_flag); | |
3881 | ||
dea3101e | 3882 | phba->fc_stat.elsRcvPRLI++; |
2e0fef85 | 3883 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3884 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3885 | break; |
3886 | } | |
2e0fef85 | 3887 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
dea3101e | 3888 | break; |
7bb3b137 | 3889 | case ELS_CMD_LIRR: |
858c9f6c JS |
3890 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3891 | "RCV LIRR: did:x%x/ste:x%x flg:x%x", | |
3892 | did, vport->port_state, ndlp->nlp_flag); | |
3893 | ||
7bb3b137 | 3894 | phba->fc_stat.elsRcvLIRR++; |
2e0fef85 | 3895 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
de0c5b32 | 3896 | if (newnode) |
2e0fef85 | 3897 | lpfc_drop_node(vport, ndlp); |
7bb3b137 JW |
3898 | break; |
3899 | case ELS_CMD_RPS: | |
858c9f6c JS |
3900 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3901 | "RCV RPS: did:x%x/ste:x%x flg:x%x", | |
3902 | did, vport->port_state, ndlp->nlp_flag); | |
3903 | ||
7bb3b137 | 3904 | phba->fc_stat.elsRcvRPS++; |
2e0fef85 | 3905 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
de0c5b32 | 3906 | if (newnode) |
2e0fef85 | 3907 | lpfc_drop_node(vport, ndlp); |
7bb3b137 JW |
3908 | break; |
3909 | case ELS_CMD_RPL: | |
858c9f6c JS |
3910 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3911 | "RCV RPL: did:x%x/ste:x%x flg:x%x", | |
3912 | did, vport->port_state, ndlp->nlp_flag); | |
3913 | ||
7bb3b137 | 3914 | phba->fc_stat.elsRcvRPL++; |
2e0fef85 | 3915 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
de0c5b32 | 3916 | if (newnode) |
2e0fef85 | 3917 | lpfc_drop_node(vport, ndlp); |
7bb3b137 | 3918 | break; |
dea3101e | 3919 | case ELS_CMD_RNID: |
858c9f6c JS |
3920 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3921 | "RCV RNID: did:x%x/ste:x%x flg:x%x", | |
3922 | did, vport->port_state, ndlp->nlp_flag); | |
3923 | ||
dea3101e | 3924 | phba->fc_stat.elsRcvRNID++; |
2e0fef85 | 3925 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
de0c5b32 | 3926 | if (newnode) |
2e0fef85 | 3927 | lpfc_drop_node(vport, ndlp); |
dea3101e JB |
3928 | break; |
3929 | default: | |
858c9f6c JS |
3930 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3931 | "RCV ELS cmd: cmd:x%x did:x%x/ste:x%x", | |
3932 | cmd, did, vport->port_state); | |
3933 | ||
dea3101e | 3934 | /* Unsupported ELS command, reject */ |
858c9f6c | 3935 | rjt_err = LSRJT_INVALID_CMD; |
dea3101e JB |
3936 | |
3937 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ | |
e8b62011 JS |
3938 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3939 | "0115 Unknown ELS command x%x " | |
3940 | "received from NPORT x%x\n", cmd, did); | |
de0c5b32 | 3941 | if (newnode) |
2e0fef85 | 3942 | lpfc_drop_node(vport, ndlp); |
dea3101e JB |
3943 | break; |
3944 | } | |
3945 | ||
3946 | /* check if need to LS_RJT received ELS cmd */ | |
3947 | if (rjt_err) { | |
92d7f7b0 | 3948 | memset(&stat, 0, sizeof(stat)); |
858c9f6c | 3949 | stat.un.b.lsRjtRsnCode = rjt_err; |
1f679caf | 3950 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
858c9f6c JS |
3951 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp, |
3952 | NULL); | |
dea3101e JB |
3953 | } |
3954 | ||
ed957684 JS |
3955 | return; |
3956 | ||
3957 | dropit: | |
3958 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
e8b62011 | 3959 | "(%d):0111 Dropping received ELS cmd " |
ed957684 | 3960 | "Data: x%x x%x x%x\n", |
e8b62011 JS |
3961 | vport ? vport->vpi : 0xffff, icmd->ulpStatus, |
3962 | icmd->un.ulpWord[4], icmd->ulpTimeout); | |
ed957684 JS |
3963 | phba->fc_stat.elsRcvDrop++; |
3964 | } | |
3965 | ||
92d7f7b0 JS |
3966 | static struct lpfc_vport * |
3967 | lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) | |
3968 | { | |
3969 | struct lpfc_vport *vport; | |
549e55cd | 3970 | unsigned long flags; |
92d7f7b0 | 3971 | |
549e55cd | 3972 | spin_lock_irqsave(&phba->hbalock, flags); |
92d7f7b0 | 3973 | list_for_each_entry(vport, &phba->port_list, listentry) { |
549e55cd JS |
3974 | if (vport->vpi == vpi) { |
3975 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
92d7f7b0 | 3976 | return vport; |
549e55cd | 3977 | } |
92d7f7b0 | 3978 | } |
549e55cd | 3979 | spin_unlock_irqrestore(&phba->hbalock, flags); |
92d7f7b0 JS |
3980 | return NULL; |
3981 | } | |
ed957684 JS |
3982 | |
3983 | void | |
3984 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3985 | struct lpfc_iocbq *elsiocb) | |
3986 | { | |
3987 | struct lpfc_vport *vport = phba->pport; | |
ed957684 | 3988 | IOCB_t *icmd = &elsiocb->iocb; |
ed957684 | 3989 | dma_addr_t paddr; |
92d7f7b0 JS |
3990 | struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; |
3991 | struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; | |
3992 | ||
3993 | elsiocb->context2 = NULL; | |
3994 | elsiocb->context3 = NULL; | |
ed957684 | 3995 | |
92d7f7b0 JS |
3996 | if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) { |
3997 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
3998 | } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT && | |
3999 | (icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING) { | |
ed957684 JS |
4000 | phba->fc_stat.NoRcvBuf++; |
4001 | /* Not enough posted buffers; Try posting more buffers */ | |
92d7f7b0 | 4002 | if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) |
ed957684 JS |
4003 | lpfc_post_buffer(phba, pring, 0, 1); |
4004 | return; | |
4005 | } | |
4006 | ||
92d7f7b0 JS |
4007 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
4008 | (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX || | |
4009 | icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
4010 | if (icmd->unsli3.rcvsli3.vpi == 0xffff) | |
4011 | vport = phba->pport; | |
4012 | else { | |
4013 | uint16_t vpi = icmd->unsli3.rcvsli3.vpi; | |
4014 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
4015 | } | |
4016 | } | |
4017 | /* If there are no BDEs associated | |
4018 | * with this IOCB, there is nothing to do. | |
4019 | */ | |
ed957684 JS |
4020 | if (icmd->ulpBdeCount == 0) |
4021 | return; | |
4022 | ||
92d7f7b0 JS |
4023 | /* type of ELS cmd is first 32bit word |
4024 | * in packet | |
4025 | */ | |
ed957684 | 4026 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
92d7f7b0 | 4027 | elsiocb->context2 = bdeBuf1; |
ed957684 JS |
4028 | } else { |
4029 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, | |
4030 | icmd->un.cont64[0].addrLow); | |
92d7f7b0 JS |
4031 | elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring, |
4032 | paddr); | |
ed957684 JS |
4033 | } |
4034 | ||
92d7f7b0 JS |
4035 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
4036 | /* | |
4037 | * The different unsolicited event handlers would tell us | |
4038 | * if they are done with "mp" by setting context2 to NULL. | |
4039 | */ | |
329f9bc7 JS |
4040 | lpfc_nlp_put(elsiocb->context1); |
4041 | elsiocb->context1 = NULL; | |
dea3101e | 4042 | if (elsiocb->context2) { |
92d7f7b0 JS |
4043 | lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); |
4044 | elsiocb->context2 = NULL; | |
dea3101e | 4045 | } |
ed957684 JS |
4046 | |
4047 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ | |
92d7f7b0 | 4048 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) && |
ed957684 | 4049 | icmd->ulpBdeCount == 2) { |
92d7f7b0 JS |
4050 | elsiocb->context2 = bdeBuf2; |
4051 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); | |
ed957684 JS |
4052 | /* free mp if we are done with it */ |
4053 | if (elsiocb->context2) { | |
92d7f7b0 JS |
4054 | lpfc_in_buf_free(phba, elsiocb->context2); |
4055 | elsiocb->context2 = NULL; | |
4056 | } | |
4057 | } | |
4058 | } | |
4059 | ||
4060 | void | |
4061 | lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4062 | { | |
4063 | struct lpfc_nodelist *ndlp, *ndlp_fdmi; | |
4064 | ||
4065 | ndlp = lpfc_findnode_did(vport, NameServer_DID); | |
4066 | if (!ndlp) { | |
4067 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
4068 | if (!ndlp) { | |
4069 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
4070 | lpfc_disc_start(vport); | |
4071 | return; | |
4072 | } | |
4073 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
4074 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4075 | "0251 NameServer login: no memory\n"); | |
92d7f7b0 JS |
4076 | return; |
4077 | } | |
4078 | lpfc_nlp_init(vport, ndlp, NameServer_DID); | |
4079 | ndlp->nlp_type |= NLP_FABRIC; | |
4080 | } | |
4081 | ||
4082 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
4083 | ||
4084 | if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) { | |
4085 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
4086 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4087 | "0252 Cannot issue NameServer login\n"); | |
92d7f7b0 JS |
4088 | return; |
4089 | } | |
4090 | ||
3de2a653 | 4091 | if (vport->cfg_fdmi_on) { |
92d7f7b0 JS |
4092 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, |
4093 | GFP_KERNEL); | |
4094 | if (ndlp_fdmi) { | |
4095 | lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID); | |
4096 | ndlp_fdmi->nlp_type |= NLP_FABRIC; | |
4097 | ndlp_fdmi->nlp_state = | |
4098 | NLP_STE_PLOGI_ISSUE; | |
4099 | lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID, | |
4100 | 0); | |
4101 | } | |
4102 | } | |
4103 | return; | |
4104 | } | |
4105 | ||
4106 | static void | |
4107 | lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
4108 | { | |
4109 | struct lpfc_vport *vport = pmb->vport; | |
4110 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4111 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
4112 | MAILBOX_t *mb = &pmb->mb; | |
4113 | ||
4114 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
4115 | lpfc_nlp_put(ndlp); | |
4116 | ||
4117 | if (mb->mbxStatus) { | |
e8b62011 JS |
4118 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
4119 | "0915 Register VPI failed: 0x%x\n", | |
4120 | mb->mbxStatus); | |
92d7f7b0 JS |
4121 | |
4122 | switch (mb->mbxStatus) { | |
4123 | case 0x11: /* unsupported feature */ | |
4124 | case 0x9603: /* max_vpi exceeded */ | |
4125 | /* giving up on vport registration */ | |
4126 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
4127 | spin_lock_irq(shost->host_lock); | |
4128 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
4129 | spin_unlock_irq(shost->host_lock); | |
4130 | lpfc_can_disctmo(vport); | |
4131 | break; | |
4132 | default: | |
4133 | /* Try to recover from this error */ | |
4134 | lpfc_mbx_unreg_vpi(vport); | |
4135 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
4136 | lpfc_initial_fdisc(vport); | |
4137 | break; | |
4138 | } | |
4139 | ||
4140 | } else { | |
4141 | if (vport == phba->pport) | |
4142 | lpfc_issue_fabric_reglogin(vport); | |
4143 | else | |
4144 | lpfc_do_scr_ns_plogi(phba, vport); | |
4145 | } | |
4146 | mempool_free(pmb, phba->mbox_mem_pool); | |
4147 | return; | |
4148 | } | |
4149 | ||
4150 | void | |
4151 | lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, | |
4152 | struct lpfc_nodelist *ndlp) | |
4153 | { | |
4154 | LPFC_MBOXQ_t *mbox; | |
4155 | ||
4156 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4157 | if (mbox) { | |
4158 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox); | |
4159 | mbox->vport = vport; | |
4160 | mbox->context2 = lpfc_nlp_get(ndlp); | |
4161 | mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; | |
0b727fea | 4162 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
92d7f7b0 JS |
4163 | == MBX_NOT_FINISHED) { |
4164 | mempool_free(mbox, phba->mbox_mem_pool); | |
4165 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
4166 | ||
4167 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
4168 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
4169 | "0253 Register VPI: Can't send mbox\n"); | |
92d7f7b0 JS |
4170 | } |
4171 | } else { | |
4172 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
4173 | ||
e8b62011 JS |
4174 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
4175 | "0254 Register VPI: no memory\n"); | |
92d7f7b0 JS |
4176 | |
4177 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
4178 | lpfc_nlp_put(ndlp); | |
4179 | } | |
4180 | } | |
4181 | ||
4182 | static void | |
4183 | lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
4184 | struct lpfc_iocbq *rspiocb) | |
4185 | { | |
4186 | struct lpfc_vport *vport = cmdiocb->vport; | |
4187 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4188 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
4189 | struct lpfc_nodelist *np; | |
4190 | struct lpfc_nodelist *next_np; | |
4191 | IOCB_t *irsp = &rspiocb->iocb; | |
4192 | struct lpfc_iocbq *piocb; | |
4193 | ||
e8b62011 JS |
4194 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4195 | "0123 FDISC completes. x%x/x%x prevDID: x%x\n", | |
4196 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
4197 | vport->fc_prevDID); | |
92d7f7b0 JS |
4198 | /* Since all FDISCs are being single threaded, we |
4199 | * must reset the discovery timer for ALL vports | |
4200 | * waiting to send FDISC when one completes. | |
4201 | */ | |
4202 | list_for_each_entry(piocb, &phba->fabric_iocb_list, list) { | |
4203 | lpfc_set_disctmo(piocb->vport); | |
4204 | } | |
4205 | ||
858c9f6c JS |
4206 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4207 | "FDISC cmpl: status:x%x/x%x prevdid:x%x", | |
4208 | irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID); | |
4209 | ||
92d7f7b0 JS |
4210 | if (irsp->ulpStatus) { |
4211 | /* Check for retry */ | |
4212 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) | |
4213 | goto out; | |
92d7f7b0 | 4214 | /* FDISC failed */ |
e8b62011 JS |
4215 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4216 | "0124 FDISC failed. (%d/%d)\n", | |
4217 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
92d7f7b0 JS |
4218 | if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING) |
4219 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
4220 | ||
4221 | lpfc_nlp_put(ndlp); | |
4222 | /* giving up on FDISC. Cancel discovery timer */ | |
4223 | lpfc_can_disctmo(vport); | |
4224 | } else { | |
4225 | spin_lock_irq(shost->host_lock); | |
4226 | vport->fc_flag |= FC_FABRIC; | |
4227 | if (vport->phba->fc_topology == TOPOLOGY_LOOP) | |
4228 | vport->fc_flag |= FC_PUBLIC_LOOP; | |
4229 | spin_unlock_irq(shost->host_lock); | |
4230 | ||
4231 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; | |
4232 | lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); | |
4233 | if ((vport->fc_prevDID != vport->fc_myDID) && | |
4234 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { | |
4235 | /* If our NportID changed, we need to ensure all | |
4236 | * remaining NPORTs get unreg_login'ed so we can | |
4237 | * issue unreg_vpi. | |
4238 | */ | |
4239 | list_for_each_entry_safe(np, next_np, | |
4240 | &vport->fc_nodes, nlp_listp) { | |
4241 | if (np->nlp_state != NLP_STE_NPR_NODE | |
4242 | || !(np->nlp_flag & NLP_NPR_ADISC)) | |
4243 | continue; | |
4244 | spin_lock_irq(shost->host_lock); | |
4245 | np->nlp_flag &= ~NLP_NPR_ADISC; | |
4246 | spin_unlock_irq(shost->host_lock); | |
4247 | lpfc_unreg_rpi(vport, np); | |
4248 | } | |
4249 | lpfc_mbx_unreg_vpi(vport); | |
4250 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
4251 | } | |
4252 | ||
4253 | if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) | |
4254 | lpfc_register_new_vport(phba, vport, ndlp); | |
4255 | else | |
4256 | lpfc_do_scr_ns_plogi(phba, vport); | |
4257 | ||
4258 | lpfc_nlp_put(ndlp); /* Free Fabric ndlp for vports */ | |
4259 | } | |
4260 | ||
4261 | out: | |
4262 | lpfc_els_free_iocb(phba, cmdiocb); | |
4263 | } | |
4264 | ||
4265 | int | |
4266 | lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
4267 | uint8_t retry) | |
4268 | { | |
4269 | struct lpfc_hba *phba = vport->phba; | |
4270 | IOCB_t *icmd; | |
4271 | struct lpfc_iocbq *elsiocb; | |
4272 | struct serv_parm *sp; | |
4273 | uint8_t *pcmd; | |
4274 | uint16_t cmdsize; | |
4275 | int did = ndlp->nlp_DID; | |
4276 | int rc; | |
92d7f7b0 JS |
4277 | |
4278 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); | |
4279 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, | |
4280 | ELS_CMD_FDISC); | |
4281 | if (!elsiocb) { | |
92d7f7b0 | 4282 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
e8b62011 JS |
4283 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4284 | "0255 Issue FDISC: no IOCB\n"); | |
92d7f7b0 JS |
4285 | return 1; |
4286 | } | |
4287 | ||
4288 | icmd = &elsiocb->iocb; | |
4289 | icmd->un.elsreq64.myID = 0; | |
4290 | icmd->un.elsreq64.fl = 1; | |
4291 | ||
4292 | /* For FDISC, Let FDISC rsp set the NPortID for this VPI */ | |
4293 | icmd->ulpCt_h = 1; | |
4294 | icmd->ulpCt_l = 0; | |
4295 | ||
4296 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
4297 | *((uint32_t *) (pcmd)) = ELS_CMD_FDISC; | |
4298 | pcmd += sizeof(uint32_t); /* CSP Word 1 */ | |
4299 | memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm)); | |
4300 | sp = (struct serv_parm *) pcmd; | |
4301 | /* Setup CSPs accordingly for Fabric */ | |
4302 | sp->cmn.e_d_tov = 0; | |
4303 | sp->cmn.w2.r_a_tov = 0; | |
4304 | sp->cls1.classValid = 0; | |
4305 | sp->cls2.seqDelivery = 1; | |
4306 | sp->cls3.seqDelivery = 1; | |
4307 | ||
4308 | pcmd += sizeof(uint32_t); /* CSP Word 2 */ | |
4309 | pcmd += sizeof(uint32_t); /* CSP Word 3 */ | |
4310 | pcmd += sizeof(uint32_t); /* CSP Word 4 */ | |
4311 | pcmd += sizeof(uint32_t); /* Port Name */ | |
4312 | memcpy(pcmd, &vport->fc_portname, 8); | |
4313 | pcmd += sizeof(uint32_t); /* Node Name */ | |
4314 | pcmd += sizeof(uint32_t); /* Node Name */ | |
4315 | memcpy(pcmd, &vport->fc_nodename, 8); | |
4316 | ||
4317 | lpfc_set_disctmo(vport); | |
4318 | ||
4319 | phba->fc_stat.elsXmitFDISC++; | |
4320 | elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc; | |
4321 | ||
858c9f6c JS |
4322 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4323 | "Issue FDISC: did:x%x", | |
4324 | did, 0, 0); | |
4325 | ||
92d7f7b0 JS |
4326 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
4327 | if (rc == IOCB_ERROR) { | |
4328 | lpfc_els_free_iocb(phba, elsiocb); | |
92d7f7b0 | 4329 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
e8b62011 JS |
4330 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4331 | "0256 Issue FDISC: Cannot send IOCB\n"); | |
92d7f7b0 JS |
4332 | return 1; |
4333 | } | |
4334 | lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING); | |
4335 | vport->port_state = LPFC_FDISC; | |
4336 | return 0; | |
4337 | } | |
4338 | ||
4339 | static void | |
4340 | lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
4341 | struct lpfc_iocbq *rspiocb) | |
4342 | { | |
4343 | struct lpfc_vport *vport = cmdiocb->vport; | |
858c9f6c JS |
4344 | IOCB_t *irsp; |
4345 | ||
4346 | irsp = &rspiocb->iocb; | |
4347 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
4348 | "LOGO npiv cmpl: status:x%x/x%x did:x%x", | |
4349 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID); | |
92d7f7b0 JS |
4350 | |
4351 | lpfc_els_free_iocb(phba, cmdiocb); | |
4352 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
4353 | } | |
4354 | ||
4355 | int | |
4356 | lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
4357 | { | |
4358 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4359 | struct lpfc_hba *phba = vport->phba; | |
4360 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4361 | IOCB_t *icmd; | |
4362 | struct lpfc_iocbq *elsiocb; | |
4363 | uint8_t *pcmd; | |
4364 | uint16_t cmdsize; | |
4365 | ||
4366 | cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name); | |
4367 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID, | |
4368 | ELS_CMD_LOGO); | |
4369 | if (!elsiocb) | |
4370 | return 1; | |
4371 | ||
4372 | icmd = &elsiocb->iocb; | |
4373 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
4374 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
4375 | pcmd += sizeof(uint32_t); | |
4376 | ||
4377 | /* Fill in LOGO payload */ | |
4378 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); | |
4379 | pcmd += sizeof(uint32_t); | |
4380 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); | |
4381 | ||
858c9f6c JS |
4382 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4383 | "Issue LOGO npiv did:x%x flg:x%x", | |
4384 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
4385 | ||
92d7f7b0 JS |
4386 | elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; |
4387 | spin_lock_irq(shost->host_lock); | |
4388 | ndlp->nlp_flag |= NLP_LOGO_SND; | |
4389 | spin_unlock_irq(shost->host_lock); | |
4390 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
4391 | spin_lock_irq(shost->host_lock); | |
4392 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
4393 | spin_unlock_irq(shost->host_lock); | |
4394 | lpfc_els_free_iocb(phba, elsiocb); | |
4395 | return 1; | |
4396 | } | |
4397 | return 0; | |
4398 | } | |
4399 | ||
4400 | void | |
4401 | lpfc_fabric_block_timeout(unsigned long ptr) | |
4402 | { | |
4403 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; | |
4404 | unsigned long iflags; | |
4405 | uint32_t tmo_posted; | |
4406 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
4407 | tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO; | |
4408 | if (!tmo_posted) | |
4409 | phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO; | |
4410 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
4411 | ||
4412 | if (!tmo_posted) { | |
4413 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4414 | if (phba->work_wait) | |
4415 | lpfc_worker_wake_up(phba); | |
4416 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4417 | } | |
4418 | } | |
4419 | ||
4420 | static void | |
4421 | lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) | |
4422 | { | |
4423 | struct lpfc_iocbq *iocb; | |
4424 | unsigned long iflags; | |
4425 | int ret; | |
4426 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4427 | IOCB_t *cmd; | |
4428 | ||
4429 | repeat: | |
4430 | iocb = NULL; | |
4431 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4432 | /* Post any pending iocb to the SLI layer */ | |
4433 | if (atomic_read(&phba->fabric_iocb_count) == 0) { | |
4434 | list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb), | |
4435 | list); | |
4436 | if (iocb) | |
4437 | atomic_inc(&phba->fabric_iocb_count); | |
4438 | } | |
4439 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4440 | if (iocb) { | |
4441 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; | |
4442 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; | |
4443 | iocb->iocb_flag |= LPFC_IO_FABRIC; | |
4444 | ||
858c9f6c JS |
4445 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
4446 | "Fabric sched1: ste:x%x", | |
4447 | iocb->vport->port_state, 0, 0); | |
4448 | ||
92d7f7b0 JS |
4449 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); |
4450 | ||
4451 | if (ret == IOCB_ERROR) { | |
4452 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; | |
4453 | iocb->fabric_iocb_cmpl = NULL; | |
4454 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
4455 | cmd = &iocb->iocb; | |
4456 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4457 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4458 | iocb->iocb_cmpl(phba, iocb, iocb); | |
4459 | ||
4460 | atomic_dec(&phba->fabric_iocb_count); | |
4461 | goto repeat; | |
4462 | } | |
4463 | } | |
4464 | ||
4465 | return; | |
4466 | } | |
4467 | ||
4468 | void | |
4469 | lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) | |
4470 | { | |
4471 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
4472 | ||
4473 | lpfc_resume_fabric_iocbs(phba); | |
4474 | return; | |
4475 | } | |
4476 | ||
4477 | static void | |
4478 | lpfc_block_fabric_iocbs(struct lpfc_hba *phba) | |
4479 | { | |
4480 | int blocked; | |
4481 | ||
4482 | blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
4483 | /* Start a timer to unblock fabric | |
4484 | * iocbs after 100ms | |
4485 | */ | |
4486 | if (!blocked) | |
4487 | mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 ); | |
4488 | ||
4489 | return; | |
4490 | } | |
4491 | ||
4492 | static void | |
4493 | lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
4494 | struct lpfc_iocbq *rspiocb) | |
4495 | { | |
4496 | struct ls_rjt stat; | |
4497 | ||
4498 | if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC) | |
4499 | BUG(); | |
4500 | ||
4501 | switch (rspiocb->iocb.ulpStatus) { | |
4502 | case IOSTAT_NPORT_RJT: | |
4503 | case IOSTAT_FABRIC_RJT: | |
4504 | if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
4505 | lpfc_block_fabric_iocbs(phba); | |
ed957684 | 4506 | } |
92d7f7b0 JS |
4507 | break; |
4508 | ||
4509 | case IOSTAT_NPORT_BSY: | |
4510 | case IOSTAT_FABRIC_BSY: | |
4511 | lpfc_block_fabric_iocbs(phba); | |
4512 | break; | |
4513 | ||
4514 | case IOSTAT_LS_RJT: | |
4515 | stat.un.lsRjtError = | |
4516 | be32_to_cpu(rspiocb->iocb.un.ulpWord[4]); | |
4517 | if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) || | |
4518 | (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY)) | |
4519 | lpfc_block_fabric_iocbs(phba); | |
4520 | break; | |
4521 | } | |
4522 | ||
4523 | if (atomic_read(&phba->fabric_iocb_count) == 0) | |
4524 | BUG(); | |
4525 | ||
4526 | cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl; | |
4527 | cmdiocb->fabric_iocb_cmpl = NULL; | |
4528 | cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
4529 | cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb); | |
4530 | ||
4531 | atomic_dec(&phba->fabric_iocb_count); | |
4532 | if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { | |
4533 | /* Post any pending iocbs to HBA */ | |
4534 | lpfc_resume_fabric_iocbs(phba); | |
4535 | } | |
4536 | } | |
4537 | ||
4538 | int | |
4539 | lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) | |
4540 | { | |
4541 | unsigned long iflags; | |
4542 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4543 | int ready; | |
4544 | int ret; | |
4545 | ||
4546 | if (atomic_read(&phba->fabric_iocb_count) > 1) | |
4547 | BUG(); | |
4548 | ||
4549 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4550 | ready = atomic_read(&phba->fabric_iocb_count) == 0 && | |
4551 | !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
4552 | ||
4553 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4554 | if (ready) { | |
4555 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; | |
4556 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; | |
4557 | iocb->iocb_flag |= LPFC_IO_FABRIC; | |
4558 | ||
858c9f6c JS |
4559 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
4560 | "Fabric sched2: ste:x%x", | |
4561 | iocb->vport->port_state, 0, 0); | |
4562 | ||
92d7f7b0 JS |
4563 | atomic_inc(&phba->fabric_iocb_count); |
4564 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); | |
4565 | ||
4566 | if (ret == IOCB_ERROR) { | |
4567 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; | |
4568 | iocb->fabric_iocb_cmpl = NULL; | |
4569 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
4570 | atomic_dec(&phba->fabric_iocb_count); | |
4571 | } | |
4572 | } else { | |
4573 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4574 | list_add_tail(&iocb->list, &phba->fabric_iocb_list); | |
4575 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4576 | ret = IOCB_SUCCESS; | |
4577 | } | |
4578 | return ret; | |
4579 | } | |
4580 | ||
4581 | ||
4582 | void lpfc_fabric_abort_vport(struct lpfc_vport *vport) | |
4583 | { | |
4584 | LIST_HEAD(completions); | |
4585 | struct lpfc_hba *phba = vport->phba; | |
4586 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
4587 | IOCB_t *cmd; | |
4588 | ||
4589 | spin_lock_irq(&phba->hbalock); | |
4590 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
4591 | list) { | |
4592 | ||
4593 | if (piocb->vport != vport) | |
4594 | continue; | |
4595 | ||
4596 | list_move_tail(&piocb->list, &completions); | |
4597 | } | |
4598 | spin_unlock_irq(&phba->hbalock); | |
4599 | ||
4600 | while (!list_empty(&completions)) { | |
4601 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4602 | list_del_init(&piocb->list); | |
4603 | ||
4604 | cmd = &piocb->iocb; | |
4605 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4606 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4607 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4608 | } | |
4609 | } | |
4610 | ||
4611 | void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) | |
4612 | { | |
4613 | LIST_HEAD(completions); | |
4614 | struct lpfc_hba *phba = ndlp->vport->phba; | |
4615 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
4616 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4617 | IOCB_t *cmd; | |
4618 | ||
4619 | spin_lock_irq(&phba->hbalock); | |
4620 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
4621 | list) { | |
4622 | if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) { | |
4623 | ||
4624 | list_move_tail(&piocb->list, &completions); | |
ed957684 | 4625 | } |
dea3101e | 4626 | } |
92d7f7b0 JS |
4627 | spin_unlock_irq(&phba->hbalock); |
4628 | ||
4629 | while (!list_empty(&completions)) { | |
4630 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4631 | list_del_init(&piocb->list); | |
4632 | ||
4633 | cmd = &piocb->iocb; | |
4634 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4635 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4636 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4637 | } | |
4638 | } | |
4639 | ||
4640 | void lpfc_fabric_abort_hba(struct lpfc_hba *phba) | |
4641 | { | |
4642 | LIST_HEAD(completions); | |
4643 | struct lpfc_iocbq *piocb; | |
4644 | IOCB_t *cmd; | |
4645 | ||
4646 | spin_lock_irq(&phba->hbalock); | |
4647 | list_splice_init(&phba->fabric_iocb_list, &completions); | |
4648 | spin_unlock_irq(&phba->hbalock); | |
4649 | ||
4650 | while (!list_empty(&completions)) { | |
4651 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4652 | list_del_init(&piocb->list); | |
4653 | ||
4654 | cmd = &piocb->iocb; | |
4655 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4656 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4657 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4658 | } | |
dea3101e | 4659 | } |
92d7f7b0 JS |
4660 | |
4661 | ||
4662 | void lpfc_fabric_abort_flogi(struct lpfc_hba *phba) | |
4663 | { | |
4664 | LIST_HEAD(completions); | |
4665 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
4666 | IOCB_t *cmd; | |
4667 | struct lpfc_nodelist *ndlp; | |
4668 | ||
4669 | spin_lock_irq(&phba->hbalock); | |
4670 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
4671 | list) { | |
4672 | ||
4673 | cmd = &piocb->iocb; | |
4674 | ndlp = (struct lpfc_nodelist *) piocb->context1; | |
4675 | if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR && | |
4676 | ndlp != NULL && | |
4677 | ndlp->nlp_DID == Fabric_DID) | |
4678 | list_move_tail(&piocb->list, &completions); | |
4679 | } | |
4680 | spin_unlock_irq(&phba->hbalock); | |
4681 | ||
4682 | while (!list_empty(&completions)) { | |
4683 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4684 | list_del_init(&piocb->list); | |
4685 | ||
4686 | cmd = &piocb->iocb; | |
4687 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4688 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4689 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4690 | } | |
4691 | } | |
4692 | ||
4693 |