Commit | Line | Data |
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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
2fe165b6 | 4 | * Copyright (C) 2004-2006 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 | 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 | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e | 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" | |
38 | ||
39 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, | |
40 | struct lpfc_iocbq *); | |
41 | static int lpfc_max_els_tries = 3; | |
42 | ||
43 | static int | |
44 | lpfc_els_chk_latt(struct lpfc_hba * phba) | |
45 | { | |
46 | struct lpfc_sli *psli; | |
47 | LPFC_MBOXQ_t *mbox; | |
48 | uint32_t ha_copy; | |
49 | int rc; | |
50 | ||
51 | psli = &phba->sli; | |
52 | ||
53 | if ((phba->hba_state >= LPFC_HBA_READY) || | |
54 | (phba->hba_state == LPFC_LINK_DOWN)) | |
55 | return 0; | |
56 | ||
57 | /* Read the HBA Host Attention Register */ | |
58 | spin_lock_irq(phba->host->host_lock); | |
59 | ha_copy = readl(phba->HAregaddr); | |
60 | spin_unlock_irq(phba->host->host_lock); | |
61 | ||
62 | if (!(ha_copy & HA_LATT)) | |
63 | return 0; | |
64 | ||
65 | /* Pending Link Event during Discovery */ | |
66 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, | |
67 | "%d:0237 Pending Link Event during " | |
68 | "Discovery: State x%x\n", | |
69 | phba->brd_no, phba->hba_state); | |
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 | */ | |
77 | spin_lock_irq(phba->host->host_lock); | |
78 | phba->fc_flag |= FC_ABORT_DISCOVERY; | |
79 | spin_unlock_irq(phba->host->host_lock); | |
80 | ||
81 | if (phba->hba_state != LPFC_CLEAR_LA) { | |
82 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
83 | phba->hba_state = LPFC_CLEAR_LA; | |
84 | lpfc_clear_la(phba, mbox); | |
85 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
86 | rc = lpfc_sli_issue_mbox (phba, mbox, | |
87 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
88 | if (rc == MBX_NOT_FINISHED) { | |
89 | mempool_free(mbox, phba->mbox_mem_pool); | |
90 | phba->hba_state = LPFC_HBA_ERROR; | |
91 | } | |
92 | } | |
93 | } | |
94 | ||
c9f8735b | 95 | return 1; |
dea3101e | 96 | |
97 | } | |
98 | ||
99 | static struct lpfc_iocbq * | |
488d1469 JS |
100 | lpfc_prep_els_iocb(struct lpfc_hba * phba, uint8_t expectRsp, |
101 | uint16_t cmdSize, uint8_t retry, struct lpfc_nodelist * ndlp, | |
102 | uint32_t did, uint32_t elscmd) | |
dea3101e | 103 | { |
dea3101e | 104 | struct lpfc_sli_ring *pring; |
0bd4ca25 | 105 | struct lpfc_iocbq *elsiocb; |
dea3101e | 106 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
107 | struct ulp_bde64 *bpl; | |
108 | IOCB_t *icmd; | |
109 | ||
110 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
111 | ||
112 | if (phba->hba_state < LPFC_LINK_UP) | |
113 | return NULL; | |
114 | ||
dea3101e | 115 | /* Allocate buffer for command iocb */ |
116 | spin_lock_irq(phba->host->host_lock); | |
0bd4ca25 | 117 | elsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 118 | spin_unlock_irq(phba->host->host_lock); |
119 | ||
120 | if (elsiocb == NULL) | |
121 | return NULL; | |
dea3101e | 122 | icmd = &elsiocb->iocb; |
123 | ||
124 | /* fill in BDEs for command */ | |
125 | /* Allocate buffer for command payload */ | |
126 | if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || | |
127 | ((pcmd->virt = lpfc_mbuf_alloc(phba, | |
128 | MEM_PRI, &(pcmd->phys))) == 0)) { | |
c9475cb0 | 129 | kfree(pcmd); |
dea3101e | 130 | |
604a3e30 JB |
131 | spin_lock_irq(phba->host->host_lock); |
132 | lpfc_sli_release_iocbq(phba, elsiocb); | |
133 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 134 | return NULL; |
135 | } | |
136 | ||
137 | INIT_LIST_HEAD(&pcmd->list); | |
138 | ||
139 | /* Allocate buffer for response payload */ | |
140 | if (expectRsp) { | |
141 | prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
142 | if (prsp) | |
143 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
144 | &prsp->phys); | |
145 | if (prsp == 0 || prsp->virt == 0) { | |
c9475cb0 | 146 | kfree(prsp); |
dea3101e | 147 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
148 | kfree(pcmd); | |
604a3e30 JB |
149 | spin_lock_irq(phba->host->host_lock); |
150 | lpfc_sli_release_iocbq(phba, elsiocb); | |
151 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 152 | return NULL; |
153 | } | |
154 | INIT_LIST_HEAD(&prsp->list); | |
155 | } else { | |
156 | prsp = NULL; | |
157 | } | |
158 | ||
159 | /* Allocate buffer for Buffer ptr list */ | |
160 | pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
161 | if (pbuflist) | |
162 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
163 | &pbuflist->phys); | |
164 | if (pbuflist == 0 || pbuflist->virt == 0) { | |
604a3e30 JB |
165 | spin_lock_irq(phba->host->host_lock); |
166 | lpfc_sli_release_iocbq(phba, elsiocb); | |
167 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 168 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
169 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); | |
170 | kfree(pcmd); | |
171 | kfree(prsp); | |
c9475cb0 | 172 | kfree(pbuflist); |
dea3101e | 173 | return NULL; |
174 | } | |
175 | ||
176 | INIT_LIST_HEAD(&pbuflist->list); | |
177 | ||
178 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); | |
179 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); | |
180 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; | |
181 | if (expectRsp) { | |
182 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); | |
488d1469 | 183 | icmd->un.elsreq64.remoteID = did; /* DID */ |
dea3101e | 184 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
185 | } else { | |
186 | icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); | |
187 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; | |
188 | } | |
189 | ||
190 | icmd->ulpBdeCount = 1; | |
191 | icmd->ulpLe = 1; | |
192 | icmd->ulpClass = CLASS3; | |
193 | ||
194 | bpl = (struct ulp_bde64 *) pbuflist->virt; | |
195 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); | |
196 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); | |
197 | bpl->tus.f.bdeSize = cmdSize; | |
198 | bpl->tus.f.bdeFlags = 0; | |
199 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
200 | ||
201 | if (expectRsp) { | |
202 | bpl++; | |
203 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); | |
204 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); | |
205 | bpl->tus.f.bdeSize = FCELSSIZE; | |
206 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; | |
207 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
208 | } | |
209 | ||
210 | /* Save for completion so we can release these resources */ | |
211 | elsiocb->context1 = (uint8_t *) ndlp; | |
212 | elsiocb->context2 = (uint8_t *) pcmd; | |
213 | elsiocb->context3 = (uint8_t *) pbuflist; | |
214 | elsiocb->retry = retry; | |
215 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; | |
216 | ||
217 | if (prsp) { | |
218 | list_add(&prsp->list, &pcmd->list); | |
219 | } | |
220 | ||
221 | if (expectRsp) { | |
222 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ | |
223 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
224 | "%d:0116 Xmit ELS command x%x to remote " | |
1dcb58e5 | 225 | "NPORT x%x I/O tag: x%x, HBA state: x%x\n", |
dea3101e | 226 | phba->brd_no, elscmd, |
1dcb58e5 | 227 | did, elsiocb->iotag, phba->hba_state); |
dea3101e | 228 | } else { |
229 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ | |
230 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
231 | "%d:0117 Xmit ELS response x%x to remote " | |
1dcb58e5 | 232 | "NPORT x%x I/O tag: x%x, size: x%x\n", |
dea3101e | 233 | phba->brd_no, elscmd, |
1dcb58e5 | 234 | ndlp->nlp_DID, elsiocb->iotag, cmdSize); |
dea3101e | 235 | } |
236 | ||
c9f8735b | 237 | return elsiocb; |
dea3101e | 238 | } |
239 | ||
240 | ||
241 | static int | |
242 | lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
243 | struct serv_parm *sp, IOCB_t *irsp) | |
244 | { | |
245 | LPFC_MBOXQ_t *mbox; | |
14691150 | 246 | struct lpfc_dmabuf *mp; |
dea3101e | 247 | int rc; |
248 | ||
249 | spin_lock_irq(phba->host->host_lock); | |
250 | phba->fc_flag |= FC_FABRIC; | |
251 | spin_unlock_irq(phba->host->host_lock); | |
252 | ||
253 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); | |
254 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ | |
255 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; | |
256 | ||
257 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; | |
258 | ||
259 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
260 | spin_lock_irq(phba->host->host_lock); | |
261 | phba->fc_flag |= FC_PUBLIC_LOOP; | |
262 | spin_unlock_irq(phba->host->host_lock); | |
263 | } else { | |
264 | /* | |
265 | * If we are a N-port connected to a Fabric, fixup sparam's so | |
266 | * logins to devices on remote loops work. | |
267 | */ | |
268 | phba->fc_sparam.cmn.altBbCredit = 1; | |
269 | } | |
270 | ||
271 | phba->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; | |
272 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); | |
273 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); | |
274 | ndlp->nlp_class_sup = 0; | |
275 | if (sp->cls1.classValid) | |
276 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
277 | if (sp->cls2.classValid) | |
278 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
279 | if (sp->cls3.classValid) | |
280 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
281 | if (sp->cls4.classValid) | |
282 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
283 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
284 | sp->cmn.bbRcvSizeLsb; | |
285 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
286 | ||
287 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
288 | if (!mbox) | |
289 | goto fail; | |
290 | ||
291 | phba->hba_state = LPFC_FABRIC_CFG_LINK; | |
292 | lpfc_config_link(phba, mbox); | |
293 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
294 | ||
295 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); | |
296 | if (rc == MBX_NOT_FINISHED) | |
297 | goto fail_free_mbox; | |
298 | ||
299 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
300 | if (!mbox) | |
301 | goto fail; | |
302 | ||
303 | if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0)) | |
304 | goto fail_free_mbox; | |
305 | ||
dea3101e | 306 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
307 | mbox->context2 = ndlp; | |
308 | ||
309 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); | |
310 | if (rc == MBX_NOT_FINISHED) | |
14691150 | 311 | goto fail_issue_reg_login; |
dea3101e | 312 | |
313 | return 0; | |
314 | ||
14691150 JS |
315 | fail_issue_reg_login: |
316 | mp = (struct lpfc_dmabuf *) mbox->context1; | |
317 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
318 | kfree(mp); | |
dea3101e | 319 | fail_free_mbox: |
320 | mempool_free(mbox, phba->mbox_mem_pool); | |
321 | fail: | |
322 | return -ENXIO; | |
323 | } | |
324 | ||
325 | /* | |
326 | * We FLOGIed into an NPort, initiate pt2pt protocol | |
327 | */ | |
328 | static int | |
329 | lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
330 | struct serv_parm *sp) | |
331 | { | |
332 | LPFC_MBOXQ_t *mbox; | |
333 | int rc; | |
334 | ||
335 | spin_lock_irq(phba->host->host_lock); | |
336 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
337 | spin_unlock_irq(phba->host->host_lock); | |
338 | ||
339 | phba->fc_edtov = FF_DEF_EDTOV; | |
340 | phba->fc_ratov = FF_DEF_RATOV; | |
341 | rc = memcmp(&phba->fc_portname, &sp->portName, | |
342 | sizeof(struct lpfc_name)); | |
343 | if (rc >= 0) { | |
344 | /* This side will initiate the PLOGI */ | |
345 | spin_lock_irq(phba->host->host_lock); | |
346 | phba->fc_flag |= FC_PT2PT_PLOGI; | |
347 | spin_unlock_irq(phba->host->host_lock); | |
348 | ||
349 | /* | |
350 | * N_Port ID cannot be 0, set our to LocalID the other | |
351 | * side will be RemoteID. | |
352 | */ | |
353 | ||
354 | /* not equal */ | |
355 | if (rc) | |
356 | phba->fc_myDID = PT2PT_LocalID; | |
357 | ||
358 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
359 | if (!mbox) | |
360 | goto fail; | |
361 | ||
362 | lpfc_config_link(phba, mbox); | |
363 | ||
364 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
365 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
366 | MBX_NOWAIT | MBX_STOP_IOCB); | |
367 | if (rc == MBX_NOT_FINISHED) { | |
368 | mempool_free(mbox, phba->mbox_mem_pool); | |
369 | goto fail; | |
370 | } | |
371 | mempool_free(ndlp, phba->nlp_mem_pool); | |
372 | ||
373 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID); | |
374 | if (!ndlp) { | |
375 | /* | |
376 | * Cannot find existing Fabric ndlp, so allocate a | |
377 | * new one | |
378 | */ | |
379 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
380 | if (!ndlp) | |
381 | goto fail; | |
382 | ||
383 | lpfc_nlp_init(phba, ndlp, PT2PT_RemoteID); | |
384 | } | |
385 | ||
386 | memcpy(&ndlp->nlp_portname, &sp->portName, | |
387 | sizeof(struct lpfc_name)); | |
388 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, | |
389 | sizeof(struct lpfc_name)); | |
390 | ndlp->nlp_state = NLP_STE_NPR_NODE; | |
391 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
392 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
393 | } else { | |
394 | /* This side will wait for the PLOGI */ | |
395 | mempool_free( ndlp, phba->nlp_mem_pool); | |
396 | } | |
397 | ||
398 | spin_lock_irq(phba->host->host_lock); | |
399 | phba->fc_flag |= FC_PT2PT; | |
400 | spin_unlock_irq(phba->host->host_lock); | |
401 | ||
402 | /* Start discovery - this should just do CLEAR_LA */ | |
403 | lpfc_disc_start(phba); | |
404 | return 0; | |
405 | fail: | |
406 | return -ENXIO; | |
407 | } | |
408 | ||
409 | static void | |
410 | lpfc_cmpl_els_flogi(struct lpfc_hba * phba, | |
411 | struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) | |
412 | { | |
413 | IOCB_t *irsp = &rspiocb->iocb; | |
414 | struct lpfc_nodelist *ndlp = cmdiocb->context1; | |
415 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; | |
416 | struct serv_parm *sp; | |
417 | int rc; | |
418 | ||
419 | /* Check to see if link went down during discovery */ | |
420 | if (lpfc_els_chk_latt(phba)) { | |
421 | lpfc_nlp_remove(phba, ndlp); | |
422 | goto out; | |
423 | } | |
424 | ||
425 | if (irsp->ulpStatus) { | |
426 | /* Check for retry */ | |
427 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
428 | /* ELS command is being retried */ | |
429 | goto out; | |
430 | } | |
431 | /* FLOGI failed, so there is no fabric */ | |
432 | spin_lock_irq(phba->host->host_lock); | |
433 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
434 | spin_unlock_irq(phba->host->host_lock); | |
435 | ||
436 | /* If private loop, then allow max outstandting els to be | |
437 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no | |
438 | * alpa map would take too long otherwise. | |
439 | */ | |
440 | if (phba->alpa_map[0] == 0) { | |
441 | phba->cfg_discovery_threads = | |
442 | LPFC_MAX_DISC_THREADS; | |
443 | } | |
444 | ||
445 | /* FLOGI failure */ | |
446 | lpfc_printf_log(phba, | |
447 | KERN_INFO, | |
448 | LOG_ELS, | |
c9f8735b | 449 | "%d:0100 FLOGI failure Data: x%x x%x x%x\n", |
dea3101e | 450 | phba->brd_no, |
c9f8735b JW |
451 | irsp->ulpStatus, irsp->un.ulpWord[4], |
452 | irsp->ulpTimeout); | |
dea3101e | 453 | goto flogifail; |
454 | } | |
455 | ||
456 | /* | |
457 | * The FLogI succeeded. Sync the data for the CPU before | |
458 | * accessing it. | |
459 | */ | |
460 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); | |
461 | ||
462 | sp = prsp->virt + sizeof(uint32_t); | |
463 | ||
464 | /* FLOGI completes successfully */ | |
465 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
466 | "%d:0101 FLOGI completes sucessfully " | |
467 | "Data: x%x x%x x%x x%x\n", | |
468 | phba->brd_no, | |
469 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, | |
470 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); | |
471 | ||
472 | if (phba->hba_state == LPFC_FLOGI) { | |
473 | /* | |
474 | * If Common Service Parameters indicate Nport | |
475 | * we are point to point, if Fport we are Fabric. | |
476 | */ | |
477 | if (sp->cmn.fPort) | |
478 | rc = lpfc_cmpl_els_flogi_fabric(phba, ndlp, sp, irsp); | |
479 | else | |
480 | rc = lpfc_cmpl_els_flogi_nport(phba, ndlp, sp); | |
481 | ||
482 | if (!rc) | |
483 | goto out; | |
484 | } | |
485 | ||
486 | flogifail: | |
487 | lpfc_nlp_remove(phba, ndlp); | |
488 | ||
489 | if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || | |
490 | (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && | |
491 | irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) { | |
492 | /* FLOGI failed, so just use loop map to make discovery list */ | |
493 | lpfc_disc_list_loopmap(phba); | |
494 | ||
495 | /* Start discovery */ | |
496 | lpfc_disc_start(phba); | |
497 | } | |
498 | ||
499 | out: | |
500 | lpfc_els_free_iocb(phba, cmdiocb); | |
501 | } | |
502 | ||
503 | static int | |
504 | lpfc_issue_els_flogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
505 | uint8_t retry) | |
506 | { | |
507 | struct serv_parm *sp; | |
508 | IOCB_t *icmd; | |
509 | struct lpfc_iocbq *elsiocb; | |
510 | struct lpfc_sli_ring *pring; | |
511 | uint8_t *pcmd; | |
512 | uint16_t cmdsize; | |
513 | uint32_t tmo; | |
514 | int rc; | |
515 | ||
516 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
517 | ||
518 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); | |
488d1469 JS |
519 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
520 | ndlp->nlp_DID, ELS_CMD_FLOGI); | |
521 | if (!elsiocb) | |
c9f8735b | 522 | return 1; |
dea3101e | 523 | |
524 | icmd = &elsiocb->iocb; | |
525 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
526 | ||
527 | /* For FLOGI request, remainder of payload is service parameters */ | |
528 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; | |
529 | pcmd += sizeof (uint32_t); | |
530 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); | |
531 | sp = (struct serv_parm *) pcmd; | |
532 | ||
533 | /* Setup CSPs accordingly for Fabric */ | |
534 | sp->cmn.e_d_tov = 0; | |
535 | sp->cmn.w2.r_a_tov = 0; | |
536 | sp->cls1.classValid = 0; | |
537 | sp->cls2.seqDelivery = 1; | |
538 | sp->cls3.seqDelivery = 1; | |
539 | if (sp->cmn.fcphLow < FC_PH3) | |
540 | sp->cmn.fcphLow = FC_PH3; | |
541 | if (sp->cmn.fcphHigh < FC_PH3) | |
542 | sp->cmn.fcphHigh = FC_PH3; | |
543 | ||
544 | tmo = phba->fc_ratov; | |
545 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; | |
546 | lpfc_set_disctmo(phba); | |
547 | phba->fc_ratov = tmo; | |
548 | ||
549 | phba->fc_stat.elsXmitFLOGI++; | |
550 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; | |
551 | spin_lock_irq(phba->host->host_lock); | |
552 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
553 | spin_unlock_irq(phba->host->host_lock); | |
554 | if (rc == IOCB_ERROR) { | |
555 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 556 | return 1; |
dea3101e | 557 | } |
c9f8735b | 558 | return 0; |
dea3101e | 559 | } |
560 | ||
561 | int | |
562 | lpfc_els_abort_flogi(struct lpfc_hba * phba) | |
563 | { | |
564 | struct lpfc_sli_ring *pring; | |
565 | struct lpfc_iocbq *iocb, *next_iocb; | |
566 | struct lpfc_nodelist *ndlp; | |
567 | IOCB_t *icmd; | |
568 | ||
569 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
570 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
571 | "%d:0201 Abort outstanding I/O on NPort x%x\n", | |
572 | phba->brd_no, Fabric_DID); | |
573 | ||
574 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
575 | ||
576 | /* | |
577 | * Check the txcmplq for an iocb that matches the nport the driver is | |
578 | * searching for. | |
579 | */ | |
580 | spin_lock_irq(phba->host->host_lock); | |
581 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
582 | icmd = &iocb->iocb; | |
583 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) { | |
584 | ndlp = (struct lpfc_nodelist *)(iocb->context1); | |
07951076 JS |
585 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) |
586 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
dea3101e | 587 | } |
588 | } | |
589 | spin_unlock_irq(phba->host->host_lock); | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
594 | int | |
595 | lpfc_initial_flogi(struct lpfc_hba * phba) | |
596 | { | |
597 | struct lpfc_nodelist *ndlp; | |
598 | ||
c9f8735b JW |
599 | /* First look for the Fabric ndlp */ |
600 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, Fabric_DID); | |
601 | if (!ndlp) { | |
dea3101e | 602 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
603 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
604 | if (!ndlp) | |
605 | return 0; | |
dea3101e | 606 | lpfc_nlp_init(phba, ndlp, Fabric_DID); |
c9f8735b JW |
607 | } else { |
608 | lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); | |
dea3101e | 609 | } |
610 | if (lpfc_issue_els_flogi(phba, ndlp, 0)) { | |
611 | mempool_free( ndlp, phba->nlp_mem_pool); | |
612 | } | |
c9f8735b | 613 | return 1; |
dea3101e | 614 | } |
615 | ||
616 | static void | |
617 | lpfc_more_plogi(struct lpfc_hba * phba) | |
618 | { | |
619 | int sentplogi; | |
620 | ||
621 | if (phba->num_disc_nodes) | |
622 | phba->num_disc_nodes--; | |
623 | ||
624 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ | |
625 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
626 | "%d:0232 Continue discovery with %d PLOGIs to go " | |
627 | "Data: x%x x%x x%x\n", | |
628 | phba->brd_no, phba->num_disc_nodes, phba->fc_plogi_cnt, | |
629 | phba->fc_flag, phba->hba_state); | |
630 | ||
631 | /* Check to see if there are more PLOGIs to be sent */ | |
632 | if (phba->fc_flag & FC_NLP_MORE) { | |
633 | /* go thru NPR list and issue any remaining ELS PLOGIs */ | |
634 | sentplogi = lpfc_els_disc_plogi(phba); | |
635 | } | |
636 | return; | |
637 | } | |
638 | ||
488d1469 | 639 | static struct lpfc_nodelist * |
92795650 | 640 | lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, |
488d1469 JS |
641 | struct lpfc_nodelist *ndlp) |
642 | { | |
643 | struct lpfc_nodelist *new_ndlp; | |
488d1469 JS |
644 | uint32_t *lp; |
645 | struct serv_parm *sp; | |
646 | uint8_t name[sizeof (struct lpfc_name)]; | |
647 | uint32_t rc; | |
648 | ||
2fb9bd8b JS |
649 | /* Fabric nodes can have the same WWPN so we don't bother searching |
650 | * by WWPN. Just return the ndlp that was given to us. | |
651 | */ | |
652 | if (ndlp->nlp_type & NLP_FABRIC) | |
653 | return ndlp; | |
654 | ||
488d1469 JS |
655 | lp = (uint32_t *) prsp->virt; |
656 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
92795650 | 657 | memset(name, 0, sizeof (struct lpfc_name)); |
488d1469 JS |
658 | |
659 | /* Now we to find out if the NPort we are logging into, matches the WWPN | |
660 | * we have for that ndlp. If not, we have some work to do. | |
661 | */ | |
662 | new_ndlp = lpfc_findnode_wwpn(phba, NLP_SEARCH_ALL, &sp->portName); | |
663 | ||
92795650 | 664 | if (new_ndlp == ndlp) |
488d1469 | 665 | return ndlp; |
488d1469 JS |
666 | |
667 | if (!new_ndlp) { | |
92795650 JS |
668 | rc = |
669 | memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)); | |
670 | if (!rc) | |
671 | return ndlp; | |
488d1469 JS |
672 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
673 | if (!new_ndlp) | |
674 | return ndlp; | |
675 | ||
676 | lpfc_nlp_init(phba, new_ndlp, ndlp->nlp_DID); | |
677 | } | |
678 | ||
679 | lpfc_unreg_rpi(phba, new_ndlp); | |
488d1469 | 680 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
92795650 JS |
681 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
682 | new_ndlp->nlp_state = ndlp->nlp_state; | |
683 | lpfc_nlp_list(phba, new_ndlp, ndlp->nlp_flag & NLP_LIST_MASK); | |
488d1469 JS |
684 | |
685 | /* Move this back to NPR list */ | |
92795650 JS |
686 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { |
687 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
688 | } | |
689 | else { | |
690 | lpfc_unreg_rpi(phba, ndlp); | |
691 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ | |
692 | ndlp->nlp_state = NLP_STE_NPR_NODE; | |
693 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
694 | } | |
488d1469 JS |
695 | return new_ndlp; |
696 | } | |
697 | ||
dea3101e | 698 | static void |
699 | lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
700 | struct lpfc_iocbq * rspiocb) | |
701 | { | |
702 | IOCB_t *irsp; | |
dea3101e | 703 | struct lpfc_nodelist *ndlp; |
92795650 | 704 | struct lpfc_dmabuf *prsp; |
dea3101e | 705 | int disc, rc, did, type; |
706 | ||
dea3101e | 707 | |
708 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
709 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
710 | ||
711 | irsp = &rspiocb->iocb; | |
488d1469 JS |
712 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, |
713 | irsp->un.elsreq64.remoteID); | |
714 | if (!ndlp) | |
715 | goto out; | |
dea3101e | 716 | |
717 | /* Since ndlp can be freed in the disc state machine, note if this node | |
718 | * is being used during discovery. | |
719 | */ | |
720 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); | |
c9f8735b | 721 | spin_lock_irq(phba->host->host_lock); |
488d1469 | 722 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
c9f8735b | 723 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 724 | rc = 0; |
725 | ||
726 | /* PLOGI completes to NPort <nlp_DID> */ | |
727 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
728 | "%d:0102 PLOGI completes to NPort x%x " | |
c9f8735b | 729 | "Data: x%x x%x x%x x%x x%x\n", |
dea3101e | 730 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
731 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
732 | phba->num_disc_nodes); | |
dea3101e | 733 | |
734 | /* Check to see if link went down during discovery */ | |
735 | if (lpfc_els_chk_latt(phba)) { | |
736 | spin_lock_irq(phba->host->host_lock); | |
737 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
738 | spin_unlock_irq(phba->host->host_lock); | |
739 | goto out; | |
740 | } | |
741 | ||
742 | /* ndlp could be freed in DSM, save these values now */ | |
743 | type = ndlp->nlp_type; | |
744 | did = ndlp->nlp_DID; | |
745 | ||
746 | if (irsp->ulpStatus) { | |
747 | /* Check for retry */ | |
748 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
749 | /* ELS command is being retried */ | |
750 | if (disc) { | |
751 | spin_lock_irq(phba->host->host_lock); | |
752 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
753 | spin_unlock_irq(phba->host->host_lock); | |
754 | } | |
755 | goto out; | |
756 | } | |
757 | ||
758 | /* PLOGI failed */ | |
759 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
760 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
761 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 762 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 763 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
c9f8735b | 764 | rc = NLP_STE_FREED_NODE; |
2fe165b6 | 765 | } else { |
dea3101e | 766 | rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
767 | NLP_EVT_CMPL_PLOGI); | |
768 | } | |
769 | } else { | |
770 | /* Good status, call state machine */ | |
92795650 JS |
771 | prsp = list_entry(((struct lpfc_dmabuf *) |
772 | cmdiocb->context2)->list.next, | |
773 | struct lpfc_dmabuf, list); | |
774 | ndlp = lpfc_plogi_confirm_nport(phba, prsp, ndlp); | |
dea3101e | 775 | rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
776 | NLP_EVT_CMPL_PLOGI); | |
777 | } | |
778 | ||
dea3101e | 779 | if (disc && phba->num_disc_nodes) { |
780 | /* Check to see if there are more PLOGIs to be sent */ | |
781 | lpfc_more_plogi(phba); | |
dea3101e | 782 | |
10d4e957 JS |
783 | if (phba->num_disc_nodes == 0) { |
784 | spin_lock_irq(phba->host->host_lock); | |
785 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
786 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 787 | |
10d4e957 JS |
788 | lpfc_can_disctmo(phba); |
789 | if (phba->fc_flag & FC_RSCN_MODE) { | |
790 | /* | |
791 | * Check to see if more RSCNs came in while | |
792 | * we were processing this one. | |
793 | */ | |
794 | if ((phba->fc_rscn_id_cnt == 0) && | |
795 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
796 | spin_lock_irq(phba->host->host_lock); | |
797 | phba->fc_flag &= ~FC_RSCN_MODE; | |
798 | spin_unlock_irq(phba->host->host_lock); | |
799 | } else { | |
800 | lpfc_els_handle_rscn(phba); | |
801 | } | |
dea3101e | 802 | } |
803 | } | |
804 | } | |
805 | ||
806 | out: | |
807 | lpfc_els_free_iocb(phba, cmdiocb); | |
808 | return; | |
809 | } | |
810 | ||
811 | int | |
488d1469 | 812 | lpfc_issue_els_plogi(struct lpfc_hba * phba, uint32_t did, uint8_t retry) |
dea3101e | 813 | { |
814 | struct serv_parm *sp; | |
815 | IOCB_t *icmd; | |
816 | struct lpfc_iocbq *elsiocb; | |
817 | struct lpfc_sli_ring *pring; | |
818 | struct lpfc_sli *psli; | |
819 | uint8_t *pcmd; | |
820 | uint16_t cmdsize; | |
821 | ||
822 | psli = &phba->sli; | |
823 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
824 | ||
825 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); | |
041976fb | 826 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, NULL, did, |
2fe165b6 | 827 | ELS_CMD_PLOGI); |
c9f8735b JW |
828 | if (!elsiocb) |
829 | return 1; | |
dea3101e | 830 | |
831 | icmd = &elsiocb->iocb; | |
832 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
833 | ||
834 | /* For PLOGI request, remainder of payload is service parameters */ | |
835 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; | |
836 | pcmd += sizeof (uint32_t); | |
837 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); | |
838 | sp = (struct serv_parm *) pcmd; | |
839 | ||
840 | if (sp->cmn.fcphLow < FC_PH_4_3) | |
841 | sp->cmn.fcphLow = FC_PH_4_3; | |
842 | ||
843 | if (sp->cmn.fcphHigh < FC_PH3) | |
844 | sp->cmn.fcphHigh = FC_PH3; | |
845 | ||
846 | phba->fc_stat.elsXmitPLOGI++; | |
847 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; | |
848 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 849 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
dea3101e | 850 | spin_unlock_irq(phba->host->host_lock); |
851 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 852 | return 1; |
dea3101e | 853 | } |
854 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 855 | return 0; |
dea3101e | 856 | } |
857 | ||
858 | static void | |
859 | lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
860 | struct lpfc_iocbq * rspiocb) | |
861 | { | |
862 | IOCB_t *irsp; | |
863 | struct lpfc_sli *psli; | |
864 | struct lpfc_nodelist *ndlp; | |
865 | ||
866 | psli = &phba->sli; | |
867 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
868 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
869 | ||
870 | irsp = &(rspiocb->iocb); | |
871 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
872 | spin_lock_irq(phba->host->host_lock); | |
873 | ndlp->nlp_flag &= ~NLP_PRLI_SND; | |
874 | spin_unlock_irq(phba->host->host_lock); | |
875 | ||
876 | /* PRLI completes to NPort <nlp_DID> */ | |
877 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
878 | "%d:0103 PRLI completes to NPort x%x " | |
c9f8735b | 879 | "Data: x%x x%x x%x x%x\n", |
dea3101e | 880 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
881 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
882 | phba->num_disc_nodes); | |
dea3101e | 883 | |
884 | phba->fc_prli_sent--; | |
885 | /* Check to see if link went down during discovery */ | |
886 | if (lpfc_els_chk_latt(phba)) | |
887 | goto out; | |
888 | ||
889 | if (irsp->ulpStatus) { | |
890 | /* Check for retry */ | |
891 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
892 | /* ELS command is being retried */ | |
893 | goto out; | |
894 | } | |
895 | /* PRLI failed */ | |
896 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
897 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
898 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 899 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 900 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
901 | goto out; | |
2fe165b6 | 902 | } else { |
dea3101e | 903 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
904 | NLP_EVT_CMPL_PRLI); | |
905 | } | |
906 | } else { | |
907 | /* Good status, call state machine */ | |
908 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); | |
909 | } | |
910 | ||
911 | out: | |
912 | lpfc_els_free_iocb(phba, cmdiocb); | |
913 | return; | |
914 | } | |
915 | ||
916 | int | |
917 | lpfc_issue_els_prli(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
918 | uint8_t retry) | |
919 | { | |
920 | PRLI *npr; | |
921 | IOCB_t *icmd; | |
922 | struct lpfc_iocbq *elsiocb; | |
923 | struct lpfc_sli_ring *pring; | |
924 | struct lpfc_sli *psli; | |
925 | uint8_t *pcmd; | |
926 | uint16_t cmdsize; | |
927 | ||
928 | psli = &phba->sli; | |
929 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
930 | ||
931 | cmdsize = (sizeof (uint32_t) + sizeof (PRLI)); | |
488d1469 JS |
932 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
933 | ndlp->nlp_DID, ELS_CMD_PRLI); | |
934 | if (!elsiocb) | |
c9f8735b | 935 | return 1; |
dea3101e | 936 | |
937 | icmd = &elsiocb->iocb; | |
938 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
939 | ||
940 | /* For PRLI request, remainder of payload is service parameters */ | |
941 | memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t))); | |
942 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; | |
943 | pcmd += sizeof (uint32_t); | |
944 | ||
945 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
946 | npr = (PRLI *) pcmd; | |
947 | /* | |
948 | * If our firmware version is 3.20 or later, | |
949 | * set the following bits for FC-TAPE support. | |
950 | */ | |
951 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { | |
952 | npr->ConfmComplAllowed = 1; | |
953 | npr->Retry = 1; | |
954 | npr->TaskRetryIdReq = 1; | |
955 | } | |
956 | npr->estabImagePair = 1; | |
957 | npr->readXferRdyDis = 1; | |
958 | ||
959 | /* For FCP support */ | |
960 | npr->prliType = PRLI_FCP_TYPE; | |
961 | npr->initiatorFunc = 1; | |
962 | ||
963 | phba->fc_stat.elsXmitPRLI++; | |
964 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; | |
965 | spin_lock_irq(phba->host->host_lock); | |
966 | ndlp->nlp_flag |= NLP_PRLI_SND; | |
967 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
968 | ndlp->nlp_flag &= ~NLP_PRLI_SND; | |
969 | spin_unlock_irq(phba->host->host_lock); | |
970 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 971 | return 1; |
dea3101e | 972 | } |
973 | spin_unlock_irq(phba->host->host_lock); | |
974 | phba->fc_prli_sent++; | |
c9f8735b | 975 | return 0; |
dea3101e | 976 | } |
977 | ||
978 | static void | |
979 | lpfc_more_adisc(struct lpfc_hba * phba) | |
980 | { | |
981 | int sentadisc; | |
982 | ||
983 | if (phba->num_disc_nodes) | |
984 | phba->num_disc_nodes--; | |
985 | ||
986 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ | |
987 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
988 | "%d:0210 Continue discovery with %d ADISCs to go " | |
989 | "Data: x%x x%x x%x\n", | |
990 | phba->brd_no, phba->num_disc_nodes, phba->fc_adisc_cnt, | |
991 | phba->fc_flag, phba->hba_state); | |
992 | ||
993 | /* Check to see if there are more ADISCs to be sent */ | |
994 | if (phba->fc_flag & FC_NLP_MORE) { | |
995 | lpfc_set_disctmo(phba); | |
996 | ||
997 | /* go thru NPR list and issue any remaining ELS ADISCs */ | |
998 | sentadisc = lpfc_els_disc_adisc(phba); | |
999 | } | |
1000 | return; | |
1001 | } | |
1002 | ||
1003 | static void | |
1004 | lpfc_rscn_disc(struct lpfc_hba * phba) | |
1005 | { | |
1006 | /* RSCN discovery */ | |
1007 | /* go thru NPR list and issue ELS PLOGIs */ | |
1008 | if (phba->fc_npr_cnt) { | |
1009 | if (lpfc_els_disc_plogi(phba)) | |
1010 | return; | |
1011 | } | |
1012 | if (phba->fc_flag & FC_RSCN_MODE) { | |
1013 | /* Check to see if more RSCNs came in while we were | |
1014 | * processing this one. | |
1015 | */ | |
1016 | if ((phba->fc_rscn_id_cnt == 0) && | |
1017 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
1018 | spin_lock_irq(phba->host->host_lock); | |
1019 | phba->fc_flag &= ~FC_RSCN_MODE; | |
1020 | spin_unlock_irq(phba->host->host_lock); | |
1021 | } else { | |
1022 | lpfc_els_handle_rscn(phba); | |
1023 | } | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | static void | |
1028 | lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1029 | struct lpfc_iocbq * rspiocb) | |
1030 | { | |
1031 | IOCB_t *irsp; | |
1032 | struct lpfc_sli *psli; | |
1033 | struct lpfc_nodelist *ndlp; | |
1034 | LPFC_MBOXQ_t *mbox; | |
1035 | int disc, rc; | |
1036 | ||
1037 | psli = &phba->sli; | |
1038 | ||
1039 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1040 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1041 | ||
1042 | irsp = &(rspiocb->iocb); | |
1043 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
dea3101e | 1044 | |
1045 | /* Since ndlp can be freed in the disc state machine, note if this node | |
1046 | * is being used during discovery. | |
1047 | */ | |
1048 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); | |
c9f8735b JW |
1049 | spin_lock_irq(phba->host->host_lock); |
1050 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); | |
1051 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 1052 | |
1053 | /* ADISC completes to NPort <nlp_DID> */ | |
1054 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1055 | "%d:0104 ADISC completes to NPort x%x " | |
c9f8735b | 1056 | "Data: x%x x%x x%x x%x x%x\n", |
dea3101e | 1057 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
1058 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
1059 | phba->num_disc_nodes); | |
dea3101e | 1060 | |
1061 | /* Check to see if link went down during discovery */ | |
1062 | if (lpfc_els_chk_latt(phba)) { | |
1063 | spin_lock_irq(phba->host->host_lock); | |
1064 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1065 | spin_unlock_irq(phba->host->host_lock); | |
1066 | goto out; | |
1067 | } | |
1068 | ||
1069 | if (irsp->ulpStatus) { | |
1070 | /* Check for retry */ | |
1071 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1072 | /* ELS command is being retried */ | |
1073 | if (disc) { | |
1074 | spin_lock_irq(phba->host->host_lock); | |
1075 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1076 | spin_unlock_irq(phba->host->host_lock); | |
1077 | lpfc_set_disctmo(phba); | |
1078 | } | |
1079 | goto out; | |
1080 | } | |
1081 | /* ADISC failed */ | |
1082 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
c9f8735b JW |
1083 | if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
1084 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && | |
1085 | (irsp->un.ulpWord[4] != IOERR_LINK_DOWN) && | |
1086 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) { | |
dea3101e | 1087 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
1088 | NLP_EVT_CMPL_ADISC); | |
1089 | } | |
1090 | } else { | |
1091 | /* Good status, call state machine */ | |
1092 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, | |
1093 | NLP_EVT_CMPL_ADISC); | |
1094 | } | |
1095 | ||
1096 | if (disc && phba->num_disc_nodes) { | |
1097 | /* Check to see if there are more ADISCs to be sent */ | |
1098 | lpfc_more_adisc(phba); | |
1099 | ||
1100 | /* Check to see if we are done with ADISC authentication */ | |
1101 | if (phba->num_disc_nodes == 0) { | |
1102 | lpfc_can_disctmo(phba); | |
1103 | /* If we get here, there is nothing left to wait for */ | |
1104 | if ((phba->hba_state < LPFC_HBA_READY) && | |
1105 | (phba->hba_state != LPFC_CLEAR_LA)) { | |
1106 | /* Link up discovery */ | |
1107 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, | |
1108 | GFP_KERNEL))) { | |
1109 | phba->hba_state = LPFC_CLEAR_LA; | |
1110 | lpfc_clear_la(phba, mbox); | |
1111 | mbox->mbox_cmpl = | |
1112 | lpfc_mbx_cmpl_clear_la; | |
1113 | rc = lpfc_sli_issue_mbox | |
1114 | (phba, mbox, | |
1115 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1116 | if (rc == MBX_NOT_FINISHED) { | |
1117 | mempool_free(mbox, | |
1118 | phba->mbox_mem_pool); | |
1119 | lpfc_disc_flush_list(phba); | |
a4bc3379 | 1120 | psli->ring[(psli->extra_ring)]. |
dea3101e | 1121 | flag &= |
1122 | ~LPFC_STOP_IOCB_EVENT; | |
1123 | psli->ring[(psli->fcp_ring)]. | |
1124 | flag &= | |
1125 | ~LPFC_STOP_IOCB_EVENT; | |
1126 | psli->ring[(psli->next_ring)]. | |
1127 | flag &= | |
1128 | ~LPFC_STOP_IOCB_EVENT; | |
1129 | phba->hba_state = | |
1130 | LPFC_HBA_READY; | |
1131 | } | |
1132 | } | |
1133 | } else { | |
1134 | lpfc_rscn_disc(phba); | |
1135 | } | |
1136 | } | |
1137 | } | |
dea3101e | 1138 | out: |
1139 | lpfc_els_free_iocb(phba, cmdiocb); | |
1140 | return; | |
1141 | } | |
1142 | ||
1143 | int | |
1144 | lpfc_issue_els_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
1145 | uint8_t retry) | |
1146 | { | |
1147 | ADISC *ap; | |
1148 | IOCB_t *icmd; | |
1149 | struct lpfc_iocbq *elsiocb; | |
1150 | struct lpfc_sli_ring *pring; | |
1151 | struct lpfc_sli *psli; | |
1152 | uint8_t *pcmd; | |
1153 | uint16_t cmdsize; | |
1154 | ||
1155 | psli = &phba->sli; | |
1156 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1157 | ||
1158 | cmdsize = (sizeof (uint32_t) + sizeof (ADISC)); | |
488d1469 JS |
1159 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1160 | ndlp->nlp_DID, ELS_CMD_ADISC); | |
1161 | if (!elsiocb) | |
c9f8735b | 1162 | return 1; |
dea3101e | 1163 | |
1164 | icmd = &elsiocb->iocb; | |
1165 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1166 | ||
1167 | /* For ADISC request, remainder of payload is service parameters */ | |
1168 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; | |
1169 | pcmd += sizeof (uint32_t); | |
1170 | ||
1171 | /* Fill in ADISC payload */ | |
1172 | ap = (ADISC *) pcmd; | |
1173 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
1174 | memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
1175 | memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
1176 | ap->DID = be32_to_cpu(phba->fc_myDID); | |
1177 | ||
1178 | phba->fc_stat.elsXmitADISC++; | |
1179 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; | |
1180 | spin_lock_irq(phba->host->host_lock); | |
1181 | ndlp->nlp_flag |= NLP_ADISC_SND; | |
1182 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1183 | ndlp->nlp_flag &= ~NLP_ADISC_SND; | |
1184 | spin_unlock_irq(phba->host->host_lock); | |
1185 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1186 | return 1; |
dea3101e | 1187 | } |
1188 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 1189 | return 0; |
dea3101e | 1190 | } |
1191 | ||
1192 | static void | |
1193 | lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1194 | struct lpfc_iocbq * rspiocb) | |
1195 | { | |
1196 | IOCB_t *irsp; | |
1197 | struct lpfc_sli *psli; | |
1198 | struct lpfc_nodelist *ndlp; | |
1199 | ||
1200 | psli = &phba->sli; | |
1201 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1202 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1203 | ||
1204 | irsp = &(rspiocb->iocb); | |
1205 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1206 | spin_lock_irq(phba->host->host_lock); | |
1207 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
1208 | spin_unlock_irq(phba->host->host_lock); | |
1209 | ||
1210 | /* LOGO completes to NPort <nlp_DID> */ | |
1211 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1212 | "%d:0105 LOGO completes to NPort x%x " | |
c9f8735b | 1213 | "Data: x%x x%x x%x x%x\n", |
dea3101e | 1214 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
1215 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
1216 | phba->num_disc_nodes); | |
dea3101e | 1217 | |
1218 | /* Check to see if link went down during discovery */ | |
1219 | if (lpfc_els_chk_latt(phba)) | |
1220 | goto out; | |
1221 | ||
1222 | if (irsp->ulpStatus) { | |
1223 | /* Check for retry */ | |
1224 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1225 | /* ELS command is being retried */ | |
1226 | goto out; | |
1227 | } | |
1228 | /* LOGO failed */ | |
1229 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
1230 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1231 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 1232 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 1233 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
1234 | goto out; | |
2fe165b6 | 1235 | } else { |
dea3101e | 1236 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
1237 | NLP_EVT_CMPL_LOGO); | |
1238 | } | |
1239 | } else { | |
5024ab17 JW |
1240 | /* Good status, call state machine. |
1241 | * This will unregister the rpi if needed. | |
1242 | */ | |
dea3101e | 1243 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); |
dea3101e | 1244 | } |
1245 | ||
1246 | out: | |
1247 | lpfc_els_free_iocb(phba, cmdiocb); | |
1248 | return; | |
1249 | } | |
1250 | ||
1251 | int | |
1252 | lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
1253 | uint8_t retry) | |
1254 | { | |
1255 | IOCB_t *icmd; | |
1256 | struct lpfc_iocbq *elsiocb; | |
1257 | struct lpfc_sli_ring *pring; | |
1258 | struct lpfc_sli *psli; | |
1259 | uint8_t *pcmd; | |
1260 | uint16_t cmdsize; | |
1261 | ||
1262 | psli = &phba->sli; | |
1263 | pring = &psli->ring[LPFC_ELS_RING]; | |
1264 | ||
10d4e957 | 1265 | cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name); |
488d1469 JS |
1266 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1267 | ndlp->nlp_DID, ELS_CMD_LOGO); | |
1268 | if (!elsiocb) | |
c9f8735b | 1269 | return 1; |
dea3101e | 1270 | |
1271 | icmd = &elsiocb->iocb; | |
1272 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1273 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
1274 | pcmd += sizeof (uint32_t); | |
1275 | ||
1276 | /* Fill in LOGO payload */ | |
1277 | *((uint32_t *) (pcmd)) = be32_to_cpu(phba->fc_myDID); | |
1278 | pcmd += sizeof (uint32_t); | |
1279 | memcpy(pcmd, &phba->fc_portname, sizeof (struct lpfc_name)); | |
1280 | ||
1281 | phba->fc_stat.elsXmitLOGO++; | |
1282 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; | |
1283 | spin_lock_irq(phba->host->host_lock); | |
1284 | ndlp->nlp_flag |= NLP_LOGO_SND; | |
1285 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1286 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
1287 | spin_unlock_irq(phba->host->host_lock); | |
1288 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1289 | return 1; |
dea3101e | 1290 | } |
1291 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 1292 | return 0; |
dea3101e | 1293 | } |
1294 | ||
1295 | static void | |
1296 | lpfc_cmpl_els_cmd(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1297 | struct lpfc_iocbq * rspiocb) | |
1298 | { | |
1299 | IOCB_t *irsp; | |
1300 | ||
1301 | irsp = &rspiocb->iocb; | |
1302 | ||
1303 | /* ELS cmd tag <ulpIoTag> completes */ | |
1304 | lpfc_printf_log(phba, | |
1305 | KERN_INFO, | |
1306 | LOG_ELS, | |
c9f8735b | 1307 | "%d:0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", |
dea3101e | 1308 | phba->brd_no, |
c9f8735b JW |
1309 | irsp->ulpIoTag, irsp->ulpStatus, |
1310 | irsp->un.ulpWord[4], irsp->ulpTimeout); | |
dea3101e | 1311 | |
1312 | /* Check to see if link went down during discovery */ | |
1313 | lpfc_els_chk_latt(phba); | |
1314 | lpfc_els_free_iocb(phba, cmdiocb); | |
1315 | return; | |
1316 | } | |
1317 | ||
1318 | int | |
1319 | lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) | |
1320 | { | |
1321 | IOCB_t *icmd; | |
1322 | struct lpfc_iocbq *elsiocb; | |
1323 | struct lpfc_sli_ring *pring; | |
1324 | struct lpfc_sli *psli; | |
1325 | uint8_t *pcmd; | |
1326 | uint16_t cmdsize; | |
1327 | struct lpfc_nodelist *ndlp; | |
1328 | ||
1329 | psli = &phba->sli; | |
1330 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1331 | cmdsize = (sizeof (uint32_t) + sizeof (SCR)); | |
c9f8735b JW |
1332 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1333 | if (!ndlp) | |
1334 | return 1; | |
dea3101e | 1335 | |
1336 | lpfc_nlp_init(phba, ndlp, nportid); | |
1337 | ||
488d1469 JS |
1338 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1339 | ndlp->nlp_DID, ELS_CMD_SCR); | |
1340 | if (!elsiocb) { | |
dea3101e | 1341 | mempool_free( ndlp, phba->nlp_mem_pool); |
c9f8735b | 1342 | return 1; |
dea3101e | 1343 | } |
1344 | ||
1345 | icmd = &elsiocb->iocb; | |
1346 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1347 | ||
1348 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; | |
1349 | pcmd += sizeof (uint32_t); | |
1350 | ||
1351 | /* For SCR, remainder of payload is SCR parameter page */ | |
1352 | memset(pcmd, 0, sizeof (SCR)); | |
1353 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; | |
1354 | ||
1355 | phba->fc_stat.elsXmitSCR++; | |
1356 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
1357 | spin_lock_irq(phba->host->host_lock); | |
1358 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1359 | spin_unlock_irq(phba->host->host_lock); | |
1360 | mempool_free( ndlp, phba->nlp_mem_pool); | |
1361 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1362 | return 1; |
dea3101e | 1363 | } |
1364 | spin_unlock_irq(phba->host->host_lock); | |
1365 | mempool_free( ndlp, phba->nlp_mem_pool); | |
c9f8735b | 1366 | return 0; |
dea3101e | 1367 | } |
1368 | ||
1369 | static int | |
1370 | lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) | |
1371 | { | |
1372 | IOCB_t *icmd; | |
1373 | struct lpfc_iocbq *elsiocb; | |
1374 | struct lpfc_sli_ring *pring; | |
1375 | struct lpfc_sli *psli; | |
1376 | FARP *fp; | |
1377 | uint8_t *pcmd; | |
1378 | uint32_t *lp; | |
1379 | uint16_t cmdsize; | |
1380 | struct lpfc_nodelist *ondlp; | |
1381 | struct lpfc_nodelist *ndlp; | |
1382 | ||
1383 | psli = &phba->sli; | |
1384 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1385 | cmdsize = (sizeof (uint32_t) + sizeof (FARP)); | |
c9f8735b JW |
1386 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1387 | if (!ndlp) | |
1388 | return 1; | |
dea3101e | 1389 | lpfc_nlp_init(phba, ndlp, nportid); |
1390 | ||
488d1469 JS |
1391 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1392 | ndlp->nlp_DID, ELS_CMD_RNID); | |
1393 | if (!elsiocb) { | |
dea3101e | 1394 | mempool_free( ndlp, phba->nlp_mem_pool); |
c9f8735b | 1395 | return 1; |
dea3101e | 1396 | } |
1397 | ||
1398 | icmd = &elsiocb->iocb; | |
1399 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1400 | ||
1401 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; | |
1402 | pcmd += sizeof (uint32_t); | |
1403 | ||
1404 | /* Fill in FARPR payload */ | |
1405 | fp = (FARP *) (pcmd); | |
1406 | memset(fp, 0, sizeof (FARP)); | |
1407 | lp = (uint32_t *) pcmd; | |
1408 | *lp++ = be32_to_cpu(nportid); | |
1409 | *lp++ = be32_to_cpu(phba->fc_myDID); | |
1410 | fp->Rflags = 0; | |
1411 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); | |
1412 | ||
1413 | memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
1414 | memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
1415 | if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) { | |
1416 | memcpy(&fp->OportName, &ondlp->nlp_portname, | |
1417 | sizeof (struct lpfc_name)); | |
1418 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, | |
1419 | sizeof (struct lpfc_name)); | |
1420 | } | |
1421 | ||
1422 | phba->fc_stat.elsXmitFARPR++; | |
1423 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
1424 | spin_lock_irq(phba->host->host_lock); | |
1425 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1426 | spin_unlock_irq(phba->host->host_lock); | |
1427 | mempool_free( ndlp, phba->nlp_mem_pool); | |
1428 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1429 | return 1; |
dea3101e | 1430 | } |
1431 | spin_unlock_irq(phba->host->host_lock); | |
1432 | mempool_free( ndlp, phba->nlp_mem_pool); | |
c9f8735b | 1433 | return 0; |
dea3101e | 1434 | } |
1435 | ||
fdcebe28 JS |
1436 | void |
1437 | lpfc_cancel_retry_delay_tmo(struct lpfc_hba *phba, struct lpfc_nodelist * nlp) | |
1438 | { | |
1439 | nlp->nlp_flag &= ~NLP_DELAY_TMO; | |
1440 | del_timer_sync(&nlp->nlp_delayfunc); | |
1441 | nlp->nlp_last_elscmd = 0; | |
1442 | ||
1443 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) | |
1444 | list_del_init(&nlp->els_retry_evt.evt_listp); | |
1445 | ||
1446 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1447 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1448 | if (phba->num_disc_nodes) { | |
1449 | /* Check to see if there are more | |
1450 | * PLOGIs to be sent | |
1451 | */ | |
1452 | lpfc_more_plogi(phba); | |
fdcebe28 | 1453 | |
10d4e957 JS |
1454 | if (phba->num_disc_nodes == 0) { |
1455 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
1456 | lpfc_can_disctmo(phba); | |
1457 | if (phba->fc_flag & FC_RSCN_MODE) { | |
1458 | /* | |
1459 | * Check to see if more RSCNs | |
1460 | * came in while we were | |
1461 | * processing this one. | |
1462 | */ | |
1463 | if((phba->fc_rscn_id_cnt==0) && | |
1464 | !(phba->fc_flag & FC_RSCN_DISCOVERY)) { | |
1465 | phba->fc_flag &= ~FC_RSCN_MODE; | |
1466 | } | |
1467 | else { | |
1468 | lpfc_els_handle_rscn(phba); | |
1469 | } | |
fdcebe28 JS |
1470 | } |
1471 | } | |
1472 | } | |
1473 | } | |
1474 | return; | |
1475 | } | |
1476 | ||
dea3101e | 1477 | void |
1478 | lpfc_els_retry_delay(unsigned long ptr) | |
1479 | { | |
1480 | struct lpfc_nodelist *ndlp; | |
1481 | struct lpfc_hba *phba; | |
1482 | unsigned long iflag; | |
1483 | struct lpfc_work_evt *evtp; | |
1484 | ||
1485 | ndlp = (struct lpfc_nodelist *)ptr; | |
1486 | phba = ndlp->nlp_phba; | |
1487 | evtp = &ndlp->els_retry_evt; | |
1488 | ||
1489 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1490 | if (!list_empty(&evtp->evt_listp)) { | |
1491 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1492 | return; | |
1493 | } | |
1494 | ||
1495 | evtp->evt_arg1 = ndlp; | |
1496 | evtp->evt = LPFC_EVT_ELS_RETRY; | |
1497 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
1498 | if (phba->work_wait) | |
1499 | wake_up(phba->work_wait); | |
1500 | ||
1501 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1502 | return; | |
1503 | } | |
1504 | ||
1505 | void | |
1506 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) | |
1507 | { | |
1508 | struct lpfc_hba *phba; | |
1509 | uint32_t cmd; | |
1510 | uint32_t did; | |
1511 | uint8_t retry; | |
1512 | ||
1513 | phba = ndlp->nlp_phba; | |
1514 | spin_lock_irq(phba->host->host_lock); | |
5024ab17 JW |
1515 | did = ndlp->nlp_DID; |
1516 | cmd = ndlp->nlp_last_elscmd; | |
1517 | ndlp->nlp_last_elscmd = 0; | |
dea3101e | 1518 | |
1519 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1520 | spin_unlock_irq(phba->host->host_lock); | |
1521 | return; | |
1522 | } | |
1523 | ||
1524 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
1525 | spin_unlock_irq(phba->host->host_lock); | |
1a169689 JS |
1526 | /* |
1527 | * If a discovery event readded nlp_delayfunc after timer | |
1528 | * firing and before processing the timer, cancel the | |
1529 | * nlp_delayfunc. | |
1530 | */ | |
1531 | del_timer_sync(&ndlp->nlp_delayfunc); | |
dea3101e | 1532 | retry = ndlp->nlp_retry; |
1533 | ||
1534 | switch (cmd) { | |
1535 | case ELS_CMD_FLOGI: | |
1536 | lpfc_issue_els_flogi(phba, ndlp, retry); | |
1537 | break; | |
1538 | case ELS_CMD_PLOGI: | |
488d1469 | 1539 | if(!lpfc_issue_els_plogi(phba, ndlp->nlp_DID, retry)) { |
5024ab17 | 1540 | ndlp->nlp_prev_state = ndlp->nlp_state; |
6ad42535 JW |
1541 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
1542 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
1543 | } | |
dea3101e | 1544 | break; |
1545 | case ELS_CMD_ADISC: | |
6ad42535 | 1546 | if (!lpfc_issue_els_adisc(phba, ndlp, retry)) { |
5024ab17 | 1547 | ndlp->nlp_prev_state = ndlp->nlp_state; |
6ad42535 JW |
1548 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
1549 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); | |
1550 | } | |
dea3101e | 1551 | break; |
1552 | case ELS_CMD_PRLI: | |
6ad42535 | 1553 | if (!lpfc_issue_els_prli(phba, ndlp, retry)) { |
5024ab17 | 1554 | ndlp->nlp_prev_state = ndlp->nlp_state; |
6ad42535 JW |
1555 | ndlp->nlp_state = NLP_STE_PRLI_ISSUE; |
1556 | lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); | |
1557 | } | |
dea3101e | 1558 | break; |
1559 | case ELS_CMD_LOGO: | |
6ad42535 | 1560 | if (!lpfc_issue_els_logo(phba, ndlp, retry)) { |
5024ab17 | 1561 | ndlp->nlp_prev_state = ndlp->nlp_state; |
6ad42535 JW |
1562 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1563 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1564 | } | |
dea3101e | 1565 | break; |
1566 | } | |
1567 | return; | |
1568 | } | |
1569 | ||
1570 | static int | |
1571 | lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1572 | struct lpfc_iocbq * rspiocb) | |
1573 | { | |
1574 | IOCB_t *irsp; | |
1575 | struct lpfc_dmabuf *pcmd; | |
1576 | struct lpfc_nodelist *ndlp; | |
1577 | uint32_t *elscmd; | |
1578 | struct ls_rjt stat; | |
1579 | int retry, maxretry; | |
1580 | int delay; | |
1581 | uint32_t cmd; | |
488d1469 | 1582 | uint32_t did; |
dea3101e | 1583 | |
1584 | retry = 0; | |
1585 | delay = 0; | |
1586 | maxretry = lpfc_max_els_tries; | |
1587 | irsp = &rspiocb->iocb; | |
1588 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1589 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
1590 | cmd = 0; | |
488d1469 | 1591 | |
dea3101e | 1592 | /* Note: context2 may be 0 for internal driver abort |
1593 | * of delays ELS command. | |
1594 | */ | |
1595 | ||
1596 | if (pcmd && pcmd->virt) { | |
1597 | elscmd = (uint32_t *) (pcmd->virt); | |
1598 | cmd = *elscmd++; | |
1599 | } | |
1600 | ||
488d1469 JS |
1601 | if(ndlp) |
1602 | did = ndlp->nlp_DID; | |
1603 | else { | |
1604 | /* We should only hit this case for retrying PLOGI */ | |
1605 | did = irsp->un.elsreq64.remoteID; | |
1606 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); | |
1607 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) | |
1608 | return 1; | |
1609 | } | |
1610 | ||
dea3101e | 1611 | switch (irsp->ulpStatus) { |
1612 | case IOSTAT_FCP_RSP_ERROR: | |
1613 | case IOSTAT_REMOTE_STOP: | |
1614 | break; | |
1615 | ||
1616 | case IOSTAT_LOCAL_REJECT: | |
1617 | switch ((irsp->un.ulpWord[4] & 0xff)) { | |
1618 | case IOERR_LOOP_OPEN_FAILURE: | |
1619 | if (cmd == ELS_CMD_PLOGI) { | |
1620 | if (cmdiocb->retry == 0) { | |
1621 | delay = 1; | |
1622 | } | |
1623 | } | |
1624 | retry = 1; | |
1625 | break; | |
1626 | ||
1627 | case IOERR_SEQUENCE_TIMEOUT: | |
1628 | retry = 1; | |
dea3101e | 1629 | break; |
1630 | ||
1631 | case IOERR_NO_RESOURCES: | |
1632 | if (cmd == ELS_CMD_PLOGI) { | |
1633 | delay = 1; | |
1634 | } | |
1635 | retry = 1; | |
1636 | break; | |
1637 | ||
1638 | case IOERR_INVALID_RPI: | |
1639 | retry = 1; | |
1640 | break; | |
1641 | } | |
1642 | break; | |
1643 | ||
1644 | case IOSTAT_NPORT_RJT: | |
1645 | case IOSTAT_FABRIC_RJT: | |
1646 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
1647 | retry = 1; | |
1648 | break; | |
1649 | } | |
1650 | break; | |
1651 | ||
1652 | case IOSTAT_NPORT_BSY: | |
1653 | case IOSTAT_FABRIC_BSY: | |
1654 | retry = 1; | |
1655 | break; | |
1656 | ||
1657 | case IOSTAT_LS_RJT: | |
1658 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); | |
1659 | /* Added for Vendor specifc support | |
1660 | * Just keep retrying for these Rsn / Exp codes | |
1661 | */ | |
1662 | switch (stat.un.b.lsRjtRsnCode) { | |
1663 | case LSRJT_UNABLE_TPC: | |
1664 | if (stat.un.b.lsRjtRsnCodeExp == | |
1665 | LSEXP_CMD_IN_PROGRESS) { | |
1666 | if (cmd == ELS_CMD_PLOGI) { | |
1667 | delay = 1; | |
1668 | maxretry = 48; | |
1669 | } | |
1670 | retry = 1; | |
1671 | break; | |
1672 | } | |
1673 | if (cmd == ELS_CMD_PLOGI) { | |
1674 | delay = 1; | |
1675 | maxretry = lpfc_max_els_tries + 1; | |
1676 | retry = 1; | |
1677 | break; | |
1678 | } | |
1679 | break; | |
1680 | ||
1681 | case LSRJT_LOGICAL_BSY: | |
1682 | if (cmd == ELS_CMD_PLOGI) { | |
1683 | delay = 1; | |
1684 | maxretry = 48; | |
1685 | } | |
1686 | retry = 1; | |
1687 | break; | |
1688 | } | |
1689 | break; | |
1690 | ||
1691 | case IOSTAT_INTERMED_RSP: | |
1692 | case IOSTAT_BA_RJT: | |
1693 | break; | |
1694 | ||
1695 | default: | |
1696 | break; | |
1697 | } | |
1698 | ||
488d1469 | 1699 | if (did == FDMI_DID) |
dea3101e | 1700 | retry = 1; |
dea3101e | 1701 | |
1702 | if ((++cmdiocb->retry) >= maxretry) { | |
1703 | phba->fc_stat.elsRetryExceeded++; | |
1704 | retry = 0; | |
1705 | } | |
1706 | ||
1707 | if (retry) { | |
1708 | ||
1709 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ | |
1710 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1711 | "%d:0107 Retry ELS command x%x to remote " | |
1712 | "NPORT x%x Data: x%x x%x\n", | |
1713 | phba->brd_no, | |
488d1469 | 1714 | cmd, did, cmdiocb->retry, delay); |
dea3101e | 1715 | |
1716 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { | |
1717 | /* If discovery / RSCN timer is running, reset it */ | |
1718 | if (timer_pending(&phba->fc_disctmo) || | |
1719 | (phba->fc_flag & FC_RSCN_MODE)) { | |
1720 | lpfc_set_disctmo(phba); | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | phba->fc_stat.elsXmitRetry++; | |
488d1469 | 1725 | if (ndlp && delay) { |
dea3101e | 1726 | phba->fc_stat.elsDelayRetry++; |
1727 | ndlp->nlp_retry = cmdiocb->retry; | |
1728 | ||
1729 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
1730 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
1731 | ||
5024ab17 | 1732 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 1733 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1734 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1735 | ndlp->nlp_last_elscmd = cmd; | |
1736 | ||
c9f8735b | 1737 | return 1; |
dea3101e | 1738 | } |
1739 | switch (cmd) { | |
1740 | case ELS_CMD_FLOGI: | |
1741 | lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry); | |
c9f8735b | 1742 | return 1; |
dea3101e | 1743 | case ELS_CMD_PLOGI: |
488d1469 JS |
1744 | if (ndlp) { |
1745 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
1746 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; | |
1747 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
1748 | } | |
1749 | lpfc_issue_els_plogi(phba, did, cmdiocb->retry); | |
c9f8735b | 1750 | return 1; |
dea3101e | 1751 | case ELS_CMD_ADISC: |
5024ab17 | 1752 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 1753 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
1754 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); | |
1755 | lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry); | |
c9f8735b | 1756 | return 1; |
dea3101e | 1757 | case ELS_CMD_PRLI: |
5024ab17 | 1758 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 1759 | ndlp->nlp_state = NLP_STE_PRLI_ISSUE; |
1760 | lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); | |
1761 | lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry); | |
c9f8735b | 1762 | return 1; |
dea3101e | 1763 | case ELS_CMD_LOGO: |
5024ab17 | 1764 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 1765 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1766 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1767 | lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry); | |
c9f8735b | 1768 | return 1; |
dea3101e | 1769 | } |
1770 | } | |
1771 | ||
1772 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ | |
1773 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1774 | "%d:0108 No retry ELS command x%x to remote NPORT x%x " | |
488d1469 | 1775 | "Data: x%x\n", |
dea3101e | 1776 | phba->brd_no, |
488d1469 | 1777 | cmd, did, cmdiocb->retry); |
dea3101e | 1778 | |
c9f8735b | 1779 | return 0; |
dea3101e | 1780 | } |
1781 | ||
1782 | int | |
1783 | lpfc_els_free_iocb(struct lpfc_hba * phba, struct lpfc_iocbq * elsiocb) | |
1784 | { | |
1785 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; | |
1786 | ||
1787 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ | |
1788 | if (elsiocb->context2) { | |
1789 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; | |
1790 | /* Free the response before processing the command. */ | |
1791 | if (!list_empty(&buf_ptr1->list)) { | |
1792 | list_remove_head(&buf_ptr1->list, buf_ptr, | |
1793 | struct lpfc_dmabuf, | |
1794 | list); | |
1795 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1796 | kfree(buf_ptr); | |
1797 | } | |
1798 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); | |
1799 | kfree(buf_ptr1); | |
1800 | } | |
1801 | ||
1802 | if (elsiocb->context3) { | |
1803 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; | |
1804 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1805 | kfree(buf_ptr); | |
1806 | } | |
1807 | spin_lock_irq(phba->host->host_lock); | |
604a3e30 | 1808 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e | 1809 | spin_unlock_irq(phba->host->host_lock); |
1810 | return 0; | |
1811 | } | |
1812 | ||
1813 | static void | |
1814 | lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1815 | struct lpfc_iocbq * rspiocb) | |
1816 | { | |
1817 | struct lpfc_nodelist *ndlp; | |
1818 | ||
1819 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1820 | ||
1821 | /* ACC to LOGO completes to NPort <nlp_DID> */ | |
1822 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1823 | "%d:0109 ACC to LOGO completes to NPort x%x " | |
1824 | "Data: x%x x%x x%x\n", | |
1825 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1826 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1827 | ||
dea3101e | 1828 | switch (ndlp->nlp_state) { |
1829 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ | |
1830 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1831 | break; | |
1832 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ | |
1833 | lpfc_unreg_rpi(phba, ndlp); | |
1834 | break; | |
1835 | default: | |
1836 | break; | |
1837 | } | |
1838 | lpfc_els_free_iocb(phba, cmdiocb); | |
1839 | return; | |
1840 | } | |
1841 | ||
1842 | static void | |
1843 | lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1844 | struct lpfc_iocbq * rspiocb) | |
1845 | { | |
33ccf8d1 | 1846 | IOCB_t *irsp; |
dea3101e | 1847 | struct lpfc_nodelist *ndlp; |
1848 | LPFC_MBOXQ_t *mbox = NULL; | |
14691150 | 1849 | struct lpfc_dmabuf *mp; |
dea3101e | 1850 | |
33ccf8d1 JS |
1851 | irsp = &rspiocb->iocb; |
1852 | ||
dea3101e | 1853 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1854 | if (cmdiocb->context_un.mbox) | |
1855 | mbox = cmdiocb->context_un.mbox; | |
1856 | ||
1857 | ||
1858 | /* Check to see if link went down during discovery */ | |
1859 | if ((lpfc_els_chk_latt(phba)) || !ndlp) { | |
1860 | if (mbox) { | |
14691150 JS |
1861 | mp = (struct lpfc_dmabuf *) mbox->context1; |
1862 | if (mp) { | |
1863 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1864 | kfree(mp); | |
1865 | } | |
dea3101e | 1866 | mempool_free( mbox, phba->mbox_mem_pool); |
1867 | } | |
1868 | goto out; | |
1869 | } | |
1870 | ||
1871 | /* ELS response tag <ulpIoTag> completes */ | |
1872 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1873 | "%d:0110 ELS response tag x%x completes " | |
c9f8735b | 1874 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", |
dea3101e | 1875 | phba->brd_no, |
1876 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, | |
c9f8735b JW |
1877 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, |
1878 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
1879 | ndlp->nlp_rpi); | |
dea3101e | 1880 | |
1881 | if (mbox) { | |
1882 | if ((rspiocb->iocb.ulpStatus == 0) | |
1883 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { | |
dea3101e | 1884 | lpfc_unreg_rpi(phba, ndlp); |
1885 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
1886 | mbox->context2 = ndlp; | |
5024ab17 | 1887 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 1888 | ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE; |
1889 | lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST); | |
1890 | if (lpfc_sli_issue_mbox(phba, mbox, | |
1891 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
1892 | != MBX_NOT_FINISHED) { | |
1893 | goto out; | |
1894 | } | |
1895 | /* NOTE: we should have messages for unsuccessful | |
1896 | reglogin */ | |
dea3101e | 1897 | } else { |
33ccf8d1 JS |
1898 | /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ |
1899 | if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1900 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
1901 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || | |
1902 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) { | |
1903 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
1904 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1905 | ndlp = NULL; | |
1906 | } | |
dea3101e | 1907 | } |
1908 | } | |
14691150 JS |
1909 | mp = (struct lpfc_dmabuf *) mbox->context1; |
1910 | if (mp) { | |
1911 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1912 | kfree(mp); | |
1913 | } | |
1914 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 1915 | } |
1916 | out: | |
1917 | if (ndlp) { | |
1918 | spin_lock_irq(phba->host->host_lock); | |
1919 | ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; | |
1920 | spin_unlock_irq(phba->host->host_lock); | |
1921 | } | |
1922 | lpfc_els_free_iocb(phba, cmdiocb); | |
1923 | return; | |
1924 | } | |
1925 | ||
1926 | int | |
1927 | lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, | |
1928 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp, | |
1929 | LPFC_MBOXQ_t * mbox, uint8_t newnode) | |
1930 | { | |
1931 | IOCB_t *icmd; | |
1932 | IOCB_t *oldcmd; | |
1933 | struct lpfc_iocbq *elsiocb; | |
1934 | struct lpfc_sli_ring *pring; | |
1935 | struct lpfc_sli *psli; | |
1936 | uint8_t *pcmd; | |
1937 | uint16_t cmdsize; | |
1938 | int rc; | |
82d9a2a2 | 1939 | ELS_PKT *els_pkt_ptr; |
dea3101e | 1940 | |
1941 | psli = &phba->sli; | |
1942 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1943 | oldcmd = &oldiocb->iocb; | |
1944 | ||
1945 | switch (flag) { | |
1946 | case ELS_CMD_ACC: | |
1947 | cmdsize = sizeof (uint32_t); | |
488d1469 JS |
1948 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
1949 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
1950 | if (!elsiocb) { | |
5024ab17 | 1951 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
c9f8735b | 1952 | return 1; |
dea3101e | 1953 | } |
1954 | icmd = &elsiocb->iocb; | |
1955 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1956 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1957 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
1958 | pcmd += sizeof (uint32_t); | |
1959 | break; | |
1960 | case ELS_CMD_PLOGI: | |
1961 | cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t)); | |
488d1469 JS |
1962 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
1963 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
1964 | if (!elsiocb) | |
c9f8735b | 1965 | return 1; |
488d1469 | 1966 | |
dea3101e | 1967 | icmd = &elsiocb->iocb; |
1968 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1969 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1970 | ||
1971 | if (mbox) | |
1972 | elsiocb->context_un.mbox = mbox; | |
1973 | ||
1974 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
1975 | pcmd += sizeof (uint32_t); | |
1976 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); | |
1977 | break; | |
82d9a2a2 JS |
1978 | case ELS_CMD_PRLO: |
1979 | cmdsize = sizeof (uint32_t) + sizeof (PRLO); | |
1980 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, | |
1981 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); | |
1982 | if (!elsiocb) | |
1983 | return 1; | |
1984 | ||
1985 | icmd = &elsiocb->iocb; | |
1986 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1987 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1988 | ||
1989 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, | |
1990 | sizeof (uint32_t) + sizeof (PRLO)); | |
1991 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; | |
1992 | els_pkt_ptr = (ELS_PKT *) pcmd; | |
1993 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; | |
1994 | break; | |
dea3101e | 1995 | default: |
c9f8735b | 1996 | return 1; |
dea3101e | 1997 | } |
1998 | ||
1999 | if (newnode) | |
2000 | elsiocb->context1 = NULL; | |
2001 | ||
2002 | /* Xmit ELS ACC response tag <ulpIoTag> */ | |
2003 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1dcb58e5 JS |
2004 | "%d:0128 Xmit ELS ACC response tag x%x, XRI: x%x, " |
2005 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", | |
2006 | phba->brd_no, elsiocb->iotag, | |
dea3101e | 2007 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2008 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2009 | ||
2010 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { | |
c9f8735b JW |
2011 | spin_lock_irq(phba->host->host_lock); |
2012 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; | |
2013 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 2014 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
2015 | } else { | |
2016 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2017 | } | |
2018 | ||
2019 | phba->fc_stat.elsXmitACC++; | |
2020 | spin_lock_irq(phba->host->host_lock); | |
2021 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2022 | spin_unlock_irq(phba->host->host_lock); | |
2023 | if (rc == IOCB_ERROR) { | |
2024 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2025 | return 1; |
dea3101e | 2026 | } |
c9f8735b | 2027 | return 0; |
dea3101e | 2028 | } |
2029 | ||
2030 | int | |
2031 | lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError, | |
2032 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2033 | { | |
2034 | IOCB_t *icmd; | |
2035 | IOCB_t *oldcmd; | |
2036 | struct lpfc_iocbq *elsiocb; | |
2037 | struct lpfc_sli_ring *pring; | |
2038 | struct lpfc_sli *psli; | |
2039 | uint8_t *pcmd; | |
2040 | uint16_t cmdsize; | |
2041 | int rc; | |
2042 | ||
2043 | psli = &phba->sli; | |
2044 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2045 | ||
2046 | cmdsize = 2 * sizeof (uint32_t); | |
488d1469 JS |
2047 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2048 | ndlp, ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
2049 | if (!elsiocb) | |
c9f8735b | 2050 | return 1; |
dea3101e | 2051 | |
2052 | icmd = &elsiocb->iocb; | |
2053 | oldcmd = &oldiocb->iocb; | |
2054 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2055 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2056 | ||
2057 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
2058 | pcmd += sizeof (uint32_t); | |
2059 | *((uint32_t *) (pcmd)) = rejectError; | |
2060 | ||
2061 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ | |
2062 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
2063 | "%d:0129 Xmit ELS RJT x%x response tag x%x " | |
2064 | "Data: x%x x%x x%x x%x x%x\n", | |
2065 | phba->brd_no, | |
2066 | rejectError, elsiocb->iocb.ulpIoTag, | |
2067 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2068 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2069 | ||
2070 | phba->fc_stat.elsXmitLSRJT++; | |
2071 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2072 | spin_lock_irq(phba->host->host_lock); | |
2073 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2074 | spin_unlock_irq(phba->host->host_lock); | |
2075 | if (rc == IOCB_ERROR) { | |
2076 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2077 | return 1; |
dea3101e | 2078 | } |
c9f8735b | 2079 | return 0; |
dea3101e | 2080 | } |
2081 | ||
2082 | int | |
2083 | lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba, | |
2084 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2085 | { | |
2086 | ADISC *ap; | |
2087 | IOCB_t *icmd; | |
2088 | IOCB_t *oldcmd; | |
2089 | struct lpfc_iocbq *elsiocb; | |
2090 | struct lpfc_sli_ring *pring; | |
2091 | struct lpfc_sli *psli; | |
2092 | uint8_t *pcmd; | |
2093 | uint16_t cmdsize; | |
2094 | int rc; | |
2095 | ||
2096 | psli = &phba->sli; | |
2097 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2098 | ||
2099 | cmdsize = sizeof (uint32_t) + sizeof (ADISC); | |
488d1469 JS |
2100 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2101 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
2102 | if (!elsiocb) | |
c9f8735b | 2103 | return 1; |
dea3101e | 2104 | |
2105 | /* Xmit ADISC ACC response tag <ulpIoTag> */ | |
2106 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
2107 | "%d:0130 Xmit ADISC ACC response tag x%x " | |
2108 | "Data: x%x x%x x%x x%x x%x\n", | |
2109 | phba->brd_no, | |
2110 | elsiocb->iocb.ulpIoTag, | |
2111 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2112 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2113 | ||
2114 | icmd = &elsiocb->iocb; | |
2115 | oldcmd = &oldiocb->iocb; | |
2116 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2117 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2118 | ||
2119 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2120 | pcmd += sizeof (uint32_t); | |
2121 | ||
2122 | ap = (ADISC *) (pcmd); | |
2123 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
2124 | memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
2125 | memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
2126 | ap->DID = be32_to_cpu(phba->fc_myDID); | |
2127 | ||
2128 | phba->fc_stat.elsXmitACC++; | |
2129 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2130 | spin_lock_irq(phba->host->host_lock); | |
2131 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2132 | spin_unlock_irq(phba->host->host_lock); | |
2133 | if (rc == IOCB_ERROR) { | |
2134 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2135 | return 1; |
dea3101e | 2136 | } |
c9f8735b | 2137 | return 0; |
dea3101e | 2138 | } |
2139 | ||
2140 | int | |
2141 | lpfc_els_rsp_prli_acc(struct lpfc_hba * phba, | |
2142 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2143 | { | |
2144 | PRLI *npr; | |
2145 | lpfc_vpd_t *vpd; | |
2146 | IOCB_t *icmd; | |
2147 | IOCB_t *oldcmd; | |
2148 | struct lpfc_iocbq *elsiocb; | |
2149 | struct lpfc_sli_ring *pring; | |
2150 | struct lpfc_sli *psli; | |
2151 | uint8_t *pcmd; | |
2152 | uint16_t cmdsize; | |
2153 | int rc; | |
2154 | ||
2155 | psli = &phba->sli; | |
2156 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2157 | ||
2158 | cmdsize = sizeof (uint32_t) + sizeof (PRLI); | |
c9f8735b | 2159 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, ndlp, |
488d1469 | 2160 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
c9f8735b JW |
2161 | if (!elsiocb) |
2162 | return 1; | |
dea3101e | 2163 | |
2164 | /* Xmit PRLI ACC response tag <ulpIoTag> */ | |
2165 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
2166 | "%d:0131 Xmit PRLI ACC response tag x%x " | |
2167 | "Data: x%x x%x x%x x%x x%x\n", | |
2168 | phba->brd_no, | |
2169 | elsiocb->iocb.ulpIoTag, | |
2170 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2171 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2172 | ||
2173 | icmd = &elsiocb->iocb; | |
2174 | oldcmd = &oldiocb->iocb; | |
2175 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2176 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2177 | ||
2178 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); | |
2179 | pcmd += sizeof (uint32_t); | |
2180 | ||
2181 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
2182 | memset(pcmd, 0, sizeof (PRLI)); | |
2183 | ||
2184 | npr = (PRLI *) pcmd; | |
2185 | vpd = &phba->vpd; | |
2186 | /* | |
2187 | * If our firmware version is 3.20 or later, | |
2188 | * set the following bits for FC-TAPE support. | |
2189 | */ | |
2190 | if (vpd->rev.feaLevelHigh >= 0x02) { | |
2191 | npr->ConfmComplAllowed = 1; | |
2192 | npr->Retry = 1; | |
2193 | npr->TaskRetryIdReq = 1; | |
2194 | } | |
2195 | ||
2196 | npr->acceptRspCode = PRLI_REQ_EXECUTED; | |
2197 | npr->estabImagePair = 1; | |
2198 | npr->readXferRdyDis = 1; | |
2199 | npr->ConfmComplAllowed = 1; | |
2200 | ||
2201 | npr->prliType = PRLI_FCP_TYPE; | |
2202 | npr->initiatorFunc = 1; | |
2203 | ||
2204 | phba->fc_stat.elsXmitACC++; | |
2205 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2206 | ||
2207 | spin_lock_irq(phba->host->host_lock); | |
2208 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2209 | spin_unlock_irq(phba->host->host_lock); | |
2210 | if (rc == IOCB_ERROR) { | |
2211 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2212 | return 1; |
dea3101e | 2213 | } |
c9f8735b | 2214 | return 0; |
dea3101e | 2215 | } |
2216 | ||
2217 | static int | |
2218 | lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, | |
2219 | uint8_t format, | |
2220 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2221 | { | |
2222 | RNID *rn; | |
2223 | IOCB_t *icmd; | |
2224 | IOCB_t *oldcmd; | |
2225 | struct lpfc_iocbq *elsiocb; | |
2226 | struct lpfc_sli_ring *pring; | |
2227 | struct lpfc_sli *psli; | |
2228 | uint8_t *pcmd; | |
2229 | uint16_t cmdsize; | |
2230 | int rc; | |
2231 | ||
2232 | psli = &phba->sli; | |
2233 | pring = &psli->ring[LPFC_ELS_RING]; | |
2234 | ||
2235 | cmdsize = sizeof (uint32_t) + sizeof (uint32_t) | |
2236 | + (2 * sizeof (struct lpfc_name)); | |
2237 | if (format) | |
2238 | cmdsize += sizeof (RNID_TOP_DISC); | |
2239 | ||
488d1469 JS |
2240 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2241 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
2242 | if (!elsiocb) | |
c9f8735b | 2243 | return 1; |
dea3101e | 2244 | |
2245 | /* Xmit RNID ACC response tag <ulpIoTag> */ | |
2246 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
2247 | "%d:0132 Xmit RNID ACC response tag x%x " | |
2248 | "Data: x%x\n", | |
2249 | phba->brd_no, | |
2250 | elsiocb->iocb.ulpIoTag, | |
2251 | elsiocb->iocb.ulpContext); | |
2252 | ||
2253 | icmd = &elsiocb->iocb; | |
2254 | oldcmd = &oldiocb->iocb; | |
2255 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2256 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2257 | ||
2258 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2259 | pcmd += sizeof (uint32_t); | |
2260 | ||
2261 | memset(pcmd, 0, sizeof (RNID)); | |
2262 | rn = (RNID *) (pcmd); | |
2263 | rn->Format = format; | |
2264 | rn->CommonLen = (2 * sizeof (struct lpfc_name)); | |
2265 | memcpy(&rn->portName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
2266 | memcpy(&rn->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
2267 | switch (format) { | |
2268 | case 0: | |
2269 | rn->SpecificLen = 0; | |
2270 | break; | |
2271 | case RNID_TOPOLOGY_DISC: | |
2272 | rn->SpecificLen = sizeof (RNID_TOP_DISC); | |
2273 | memcpy(&rn->un.topologyDisc.portName, | |
2274 | &phba->fc_portname, sizeof (struct lpfc_name)); | |
2275 | rn->un.topologyDisc.unitType = RNID_HBA; | |
2276 | rn->un.topologyDisc.physPort = 0; | |
2277 | rn->un.topologyDisc.attachedNodes = 0; | |
2278 | break; | |
2279 | default: | |
2280 | rn->CommonLen = 0; | |
2281 | rn->SpecificLen = 0; | |
2282 | break; | |
2283 | } | |
2284 | ||
2285 | phba->fc_stat.elsXmitACC++; | |
2286 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2287 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, | |
2288 | * it could be freed */ | |
2289 | ||
2290 | spin_lock_irq(phba->host->host_lock); | |
2291 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2292 | spin_unlock_irq(phba->host->host_lock); | |
2293 | if (rc == IOCB_ERROR) { | |
2294 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2295 | return 1; |
dea3101e | 2296 | } |
c9f8735b | 2297 | return 0; |
dea3101e | 2298 | } |
2299 | ||
2300 | int | |
2301 | lpfc_els_disc_adisc(struct lpfc_hba * phba) | |
2302 | { | |
2303 | int sentadisc; | |
2304 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2305 | ||
2306 | sentadisc = 0; | |
2307 | /* go thru NPR list and issue any remaining ELS ADISCs */ | |
2308 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
2309 | nlp_listp) { | |
2310 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
2311 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2312 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
5024ab17 | 2313 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 2314 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
2315 | lpfc_nlp_list(phba, ndlp, | |
2316 | NLP_ADISC_LIST); | |
2317 | lpfc_issue_els_adisc(phba, ndlp, 0); | |
2318 | sentadisc++; | |
2319 | phba->num_disc_nodes++; | |
2320 | if (phba->num_disc_nodes >= | |
2321 | phba->cfg_discovery_threads) { | |
2322 | spin_lock_irq(phba->host->host_lock); | |
2323 | phba->fc_flag |= FC_NLP_MORE; | |
2324 | spin_unlock_irq(phba->host->host_lock); | |
2325 | break; | |
2326 | } | |
2327 | } | |
2328 | } | |
2329 | } | |
2330 | if (sentadisc == 0) { | |
2331 | spin_lock_irq(phba->host->host_lock); | |
2332 | phba->fc_flag &= ~FC_NLP_MORE; | |
2333 | spin_unlock_irq(phba->host->host_lock); | |
2334 | } | |
2fe165b6 | 2335 | return sentadisc; |
dea3101e | 2336 | } |
2337 | ||
2338 | int | |
2339 | lpfc_els_disc_plogi(struct lpfc_hba * phba) | |
2340 | { | |
2341 | int sentplogi; | |
2342 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2343 | ||
2344 | sentplogi = 0; | |
2345 | /* go thru NPR list and issue any remaining ELS PLOGIs */ | |
2346 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
2347 | nlp_listp) { | |
2348 | if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
2349 | (!(ndlp->nlp_flag & NLP_DELAY_TMO))) { | |
2350 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
5024ab17 | 2351 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 2352 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
2353 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
488d1469 | 2354 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); |
dea3101e | 2355 | sentplogi++; |
2356 | phba->num_disc_nodes++; | |
2357 | if (phba->num_disc_nodes >= | |
2358 | phba->cfg_discovery_threads) { | |
2359 | spin_lock_irq(phba->host->host_lock); | |
2360 | phba->fc_flag |= FC_NLP_MORE; | |
2361 | spin_unlock_irq(phba->host->host_lock); | |
2362 | break; | |
2363 | } | |
2364 | } | |
2365 | } | |
2366 | } | |
2367 | if (sentplogi == 0) { | |
2368 | spin_lock_irq(phba->host->host_lock); | |
2369 | phba->fc_flag &= ~FC_NLP_MORE; | |
2370 | spin_unlock_irq(phba->host->host_lock); | |
2371 | } | |
2fe165b6 | 2372 | return sentplogi; |
dea3101e | 2373 | } |
2374 | ||
2375 | int | |
2376 | lpfc_els_flush_rscn(struct lpfc_hba * phba) | |
2377 | { | |
2378 | struct lpfc_dmabuf *mp; | |
2379 | int i; | |
2380 | ||
2381 | for (i = 0; i < phba->fc_rscn_id_cnt; i++) { | |
2382 | mp = phba->fc_rscn_id_list[i]; | |
2383 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2384 | kfree(mp); | |
2385 | phba->fc_rscn_id_list[i] = NULL; | |
2386 | } | |
2387 | phba->fc_rscn_id_cnt = 0; | |
2388 | spin_lock_irq(phba->host->host_lock); | |
2389 | phba->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); | |
2390 | spin_unlock_irq(phba->host->host_lock); | |
2391 | lpfc_can_disctmo(phba); | |
c9f8735b | 2392 | return 0; |
dea3101e | 2393 | } |
2394 | ||
2395 | int | |
2396 | lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did) | |
2397 | { | |
2398 | D_ID ns_did; | |
2399 | D_ID rscn_did; | |
2400 | struct lpfc_dmabuf *mp; | |
2401 | uint32_t *lp; | |
2402 | uint32_t payload_len, cmd, i, match; | |
2403 | ||
2404 | ns_did.un.word = did; | |
2405 | match = 0; | |
2406 | ||
2407 | /* Never match fabric nodes for RSCNs */ | |
2408 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
2409 | return(0); | |
2410 | ||
2411 | /* If we are doing a FULL RSCN rediscovery, match everything */ | |
2412 | if (phba->fc_flag & FC_RSCN_DISCOVERY) { | |
c9f8735b | 2413 | return did; |
dea3101e | 2414 | } |
2415 | ||
2416 | for (i = 0; i < phba->fc_rscn_id_cnt; i++) { | |
2417 | mp = phba->fc_rscn_id_list[i]; | |
2418 | lp = (uint32_t *) mp->virt; | |
2419 | cmd = *lp++; | |
2420 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ | |
2421 | payload_len -= sizeof (uint32_t); /* take off word 0 */ | |
2422 | while (payload_len) { | |
2423 | rscn_did.un.word = *lp++; | |
2424 | rscn_did.un.word = be32_to_cpu(rscn_did.un.word); | |
2425 | payload_len -= sizeof (uint32_t); | |
2426 | switch (rscn_did.un.b.resv) { | |
2427 | case 0: /* Single N_Port ID effected */ | |
2428 | if (ns_did.un.word == rscn_did.un.word) { | |
2429 | match = did; | |
2430 | } | |
2431 | break; | |
2432 | case 1: /* Whole N_Port Area effected */ | |
2433 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) | |
2434 | && (ns_did.un.b.area == rscn_did.un.b.area)) | |
2435 | { | |
2436 | match = did; | |
2437 | } | |
2438 | break; | |
2439 | case 2: /* Whole N_Port Domain effected */ | |
2440 | if (ns_did.un.b.domain == rscn_did.un.b.domain) | |
2441 | { | |
2442 | match = did; | |
2443 | } | |
2444 | break; | |
2445 | case 3: /* Whole Fabric effected */ | |
2446 | match = did; | |
2447 | break; | |
2448 | default: | |
2449 | /* Unknown Identifier in RSCN list */ | |
2450 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2451 | "%d:0217 Unknown Identifier in " | |
2452 | "RSCN payload Data: x%x\n", | |
2453 | phba->brd_no, rscn_did.un.word); | |
2454 | break; | |
2455 | } | |
2456 | if (match) { | |
2457 | break; | |
2458 | } | |
2459 | } | |
2460 | } | |
c9f8735b | 2461 | return match; |
dea3101e | 2462 | } |
2463 | ||
2464 | static int | |
2465 | lpfc_rscn_recovery_check(struct lpfc_hba * phba) | |
2466 | { | |
2467 | struct lpfc_nodelist *ndlp = NULL, *next_ndlp; | |
2468 | struct list_head *listp; | |
2469 | struct list_head *node_list[7]; | |
2470 | int i; | |
2471 | ||
2472 | /* Look at all nodes effected by pending RSCNs and move | |
2473 | * them to NPR list. | |
2474 | */ | |
2475 | node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ | |
2476 | node_list[1] = &phba->fc_nlpmap_list; | |
2477 | node_list[2] = &phba->fc_nlpunmap_list; | |
2478 | node_list[3] = &phba->fc_prli_list; | |
2479 | node_list[4] = &phba->fc_reglogin_list; | |
2480 | node_list[5] = &phba->fc_adisc_list; | |
2481 | node_list[6] = &phba->fc_plogi_list; | |
2482 | for (i = 0; i < 7; i++) { | |
2483 | listp = node_list[i]; | |
2484 | if (list_empty(listp)) | |
2485 | continue; | |
2486 | ||
2487 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { | |
2488 | if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID))) | |
2489 | continue; | |
2490 | ||
2491 | lpfc_disc_state_machine(phba, ndlp, NULL, | |
2492 | NLP_EVT_DEVICE_RECOVERY); | |
5024ab17 JW |
2493 | |
2494 | /* Make sure NLP_DELAY_TMO is NOT running | |
2495 | * after a device recovery event. | |
2496 | */ | |
fdcebe28 JS |
2497 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2498 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
dea3101e | 2499 | } |
2500 | } | |
c9f8735b | 2501 | return 0; |
dea3101e | 2502 | } |
2503 | ||
2504 | static int | |
2505 | lpfc_els_rcv_rscn(struct lpfc_hba * phba, | |
2506 | struct lpfc_iocbq * cmdiocb, | |
2507 | struct lpfc_nodelist * ndlp, uint8_t newnode) | |
2508 | { | |
2509 | struct lpfc_dmabuf *pcmd; | |
2510 | uint32_t *lp; | |
2511 | IOCB_t *icmd; | |
2512 | uint32_t payload_len, cmd; | |
d2873e4c | 2513 | int i; |
dea3101e | 2514 | |
2515 | icmd = &cmdiocb->iocb; | |
2516 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2517 | lp = (uint32_t *) pcmd->virt; | |
2518 | ||
2519 | cmd = *lp++; | |
2520 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ | |
2521 | payload_len -= sizeof (uint32_t); /* take off word 0 */ | |
2522 | cmd &= ELS_CMD_MASK; | |
2523 | ||
2524 | /* RSCN received */ | |
2525 | lpfc_printf_log(phba, | |
2526 | KERN_INFO, | |
2527 | LOG_DISCOVERY, | |
2528 | "%d:0214 RSCN received Data: x%x x%x x%x x%x\n", | |
2529 | phba->brd_no, | |
2530 | phba->fc_flag, payload_len, *lp, phba->fc_rscn_id_cnt); | |
2531 | ||
d2873e4c JS |
2532 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
2533 | fc_host_post_event(phba->host, fc_get_event_number(), | |
2534 | FCH_EVT_RSCN, lp[i]); | |
2535 | ||
dea3101e | 2536 | /* If we are about to begin discovery, just ACC the RSCN. |
2537 | * Discovery processing will satisfy it. | |
2538 | */ | |
071fbd3d | 2539 | if (phba->hba_state <= LPFC_NS_QRY) { |
dea3101e | 2540 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
2541 | newnode); | |
c9f8735b | 2542 | return 0; |
dea3101e | 2543 | } |
2544 | ||
2545 | /* If we are already processing an RSCN, save the received | |
2546 | * RSCN payload buffer, cmdiocb->context2 to process later. | |
2547 | */ | |
2548 | if (phba->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { | |
2549 | if ((phba->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) && | |
2550 | !(phba->fc_flag & FC_RSCN_DISCOVERY)) { | |
2551 | spin_lock_irq(phba->host->host_lock); | |
2552 | phba->fc_flag |= FC_RSCN_MODE; | |
2553 | spin_unlock_irq(phba->host->host_lock); | |
2554 | phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; | |
2555 | ||
2556 | /* If we zero, cmdiocb->context2, the calling | |
2557 | * routine will not try to free it. | |
2558 | */ | |
2559 | cmdiocb->context2 = NULL; | |
2560 | ||
2561 | /* Deferred RSCN */ | |
2562 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2563 | "%d:0235 Deferred RSCN " | |
2564 | "Data: x%x x%x x%x\n", | |
2565 | phba->brd_no, phba->fc_rscn_id_cnt, | |
2566 | phba->fc_flag, phba->hba_state); | |
2567 | } else { | |
2568 | spin_lock_irq(phba->host->host_lock); | |
2569 | phba->fc_flag |= FC_RSCN_DISCOVERY; | |
2570 | spin_unlock_irq(phba->host->host_lock); | |
2571 | /* ReDiscovery RSCN */ | |
2572 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2573 | "%d:0234 ReDiscovery RSCN " | |
2574 | "Data: x%x x%x x%x\n", | |
2575 | phba->brd_no, phba->fc_rscn_id_cnt, | |
2576 | phba->fc_flag, phba->hba_state); | |
2577 | } | |
2578 | /* Send back ACC */ | |
2579 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, | |
2580 | newnode); | |
2581 | ||
2582 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2583 | lpfc_rscn_recovery_check(phba); | |
c9f8735b | 2584 | return 0; |
dea3101e | 2585 | } |
2586 | ||
2587 | phba->fc_flag |= FC_RSCN_MODE; | |
2588 | phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; | |
2589 | /* | |
2590 | * If we zero, cmdiocb->context2, the calling routine will | |
2591 | * not try to free it. | |
2592 | */ | |
2593 | cmdiocb->context2 = NULL; | |
2594 | ||
2595 | lpfc_set_disctmo(phba); | |
2596 | ||
2597 | /* Send back ACC */ | |
2598 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); | |
2599 | ||
2600 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2601 | lpfc_rscn_recovery_check(phba); | |
2602 | ||
c9f8735b | 2603 | return lpfc_els_handle_rscn(phba); |
dea3101e | 2604 | } |
2605 | ||
2606 | int | |
2607 | lpfc_els_handle_rscn(struct lpfc_hba * phba) | |
2608 | { | |
2609 | struct lpfc_nodelist *ndlp; | |
2610 | ||
2611 | /* Start timer for RSCN processing */ | |
2612 | lpfc_set_disctmo(phba); | |
2613 | ||
2614 | /* RSCN processed */ | |
2615 | lpfc_printf_log(phba, | |
2616 | KERN_INFO, | |
2617 | LOG_DISCOVERY, | |
2618 | "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n", | |
2619 | phba->brd_no, | |
2620 | phba->fc_flag, 0, phba->fc_rscn_id_cnt, | |
2621 | phba->hba_state); | |
2622 | ||
2623 | /* To process RSCN, first compare RSCN data with NameServer */ | |
2624 | phba->fc_ns_retry = 0; | |
c9f8735b JW |
2625 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, NameServer_DID); |
2626 | if (ndlp) { | |
dea3101e | 2627 | /* Good ndlp, issue CT Request to NameServer */ |
2628 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { | |
2629 | /* Wait for NameServer query cmpl before we can | |
2630 | continue */ | |
c9f8735b | 2631 | return 1; |
dea3101e | 2632 | } |
2633 | } else { | |
2634 | /* If login to NameServer does not exist, issue one */ | |
2635 | /* Good status, issue PLOGI to NameServer */ | |
c9f8735b JW |
2636 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); |
2637 | if (ndlp) { | |
dea3101e | 2638 | /* Wait for NameServer login cmpl before we can |
2639 | continue */ | |
c9f8735b | 2640 | return 1; |
dea3101e | 2641 | } |
c9f8735b JW |
2642 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
2643 | if (!ndlp) { | |
dea3101e | 2644 | lpfc_els_flush_rscn(phba); |
c9f8735b | 2645 | return 0; |
dea3101e | 2646 | } else { |
2647 | lpfc_nlp_init(phba, ndlp, NameServer_DID); | |
2648 | ndlp->nlp_type |= NLP_FABRIC; | |
5024ab17 | 2649 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 2650 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
2fb9bd8b | 2651 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
488d1469 | 2652 | lpfc_issue_els_plogi(phba, NameServer_DID, 0); |
dea3101e | 2653 | /* Wait for NameServer login cmpl before we can |
2654 | continue */ | |
c9f8735b | 2655 | return 1; |
dea3101e | 2656 | } |
2657 | } | |
2658 | ||
2659 | lpfc_els_flush_rscn(phba); | |
c9f8735b | 2660 | return 0; |
dea3101e | 2661 | } |
2662 | ||
2663 | static int | |
2664 | lpfc_els_rcv_flogi(struct lpfc_hba * phba, | |
2665 | struct lpfc_iocbq * cmdiocb, | |
2666 | struct lpfc_nodelist * ndlp, uint8_t newnode) | |
2667 | { | |
2668 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2669 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
2670 | IOCB_t *icmd = &cmdiocb->iocb; | |
2671 | struct serv_parm *sp; | |
2672 | LPFC_MBOXQ_t *mbox; | |
2673 | struct ls_rjt stat; | |
2674 | uint32_t cmd, did; | |
2675 | int rc; | |
2676 | ||
2677 | cmd = *lp++; | |
2678 | sp = (struct serv_parm *) lp; | |
2679 | ||
2680 | /* FLOGI received */ | |
2681 | ||
2682 | lpfc_set_disctmo(phba); | |
2683 | ||
2684 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2685 | /* We should never receive a FLOGI in loop mode, ignore it */ | |
2686 | did = icmd->un.elsreq64.remoteID; | |
2687 | ||
2688 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in | |
2689 | Loop Mode */ | |
2690 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
2691 | "%d:0113 An FLOGI ELS command x%x was received " | |
2692 | "from DID x%x in Loop Mode\n", | |
2693 | phba->brd_no, cmd, did); | |
c9f8735b | 2694 | return 1; |
dea3101e | 2695 | } |
2696 | ||
2697 | did = Fabric_DID; | |
2698 | ||
2699 | if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3))) { | |
2700 | /* For a FLOGI we accept, then if our portname is greater | |
2701 | * then the remote portname we initiate Nport login. | |
2702 | */ | |
2703 | ||
2704 | rc = memcmp(&phba->fc_portname, &sp->portName, | |
2705 | sizeof (struct lpfc_name)); | |
2706 | ||
2707 | if (!rc) { | |
2708 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, | |
2709 | GFP_KERNEL)) == 0) { | |
c9f8735b | 2710 | return 1; |
dea3101e | 2711 | } |
2712 | lpfc_linkdown(phba); | |
2713 | lpfc_init_link(phba, mbox, | |
2714 | phba->cfg_topology, | |
2715 | phba->cfg_link_speed); | |
2716 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
2717 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
2718 | rc = lpfc_sli_issue_mbox | |
2719 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2720 | if (rc == MBX_NOT_FINISHED) { | |
2721 | mempool_free( mbox, phba->mbox_mem_pool); | |
2722 | } | |
c9f8735b | 2723 | return 1; |
2fe165b6 | 2724 | } else if (rc > 0) { /* greater than */ |
dea3101e | 2725 | spin_lock_irq(phba->host->host_lock); |
2726 | phba->fc_flag |= FC_PT2PT_PLOGI; | |
2727 | spin_unlock_irq(phba->host->host_lock); | |
2728 | } | |
2729 | phba->fc_flag |= FC_PT2PT; | |
2730 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2731 | } else { | |
2732 | /* Reject this request because invalid parameters */ | |
2733 | stat.un.b.lsRjtRsvd0 = 0; | |
2734 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2735 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
2736 | stat.un.b.vendorUnique = 0; | |
2737 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
c9f8735b | 2738 | return 1; |
dea3101e | 2739 | } |
2740 | ||
2741 | /* Send back ACC */ | |
2742 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); | |
2743 | ||
c9f8735b | 2744 | return 0; |
dea3101e | 2745 | } |
2746 | ||
2747 | static int | |
2748 | lpfc_els_rcv_rnid(struct lpfc_hba * phba, | |
2749 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) | |
2750 | { | |
2751 | struct lpfc_dmabuf *pcmd; | |
2752 | uint32_t *lp; | |
2753 | IOCB_t *icmd; | |
2754 | RNID *rn; | |
2755 | struct ls_rjt stat; | |
2756 | uint32_t cmd, did; | |
2757 | ||
2758 | icmd = &cmdiocb->iocb; | |
2759 | did = icmd->un.elsreq64.remoteID; | |
2760 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2761 | lp = (uint32_t *) pcmd->virt; | |
2762 | ||
2763 | cmd = *lp++; | |
2764 | rn = (RNID *) lp; | |
2765 | ||
2766 | /* RNID received */ | |
2767 | ||
2768 | switch (rn->Format) { | |
2769 | case 0: | |
2770 | case RNID_TOPOLOGY_DISC: | |
2771 | /* Send back ACC */ | |
2772 | lpfc_els_rsp_rnid_acc(phba, rn->Format, cmdiocb, ndlp); | |
2773 | break; | |
2774 | default: | |
2775 | /* Reject this request because format not supported */ | |
2776 | stat.un.b.lsRjtRsvd0 = 0; | |
2777 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2778 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2779 | stat.un.b.vendorUnique = 0; | |
2780 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2781 | } | |
c9f8735b | 2782 | return 0; |
dea3101e | 2783 | } |
2784 | ||
2785 | static int | |
7bb3b137 JW |
2786 | lpfc_els_rcv_lirr(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
2787 | struct lpfc_nodelist * ndlp) | |
2788 | { | |
2789 | struct ls_rjt stat; | |
2790 | ||
2791 | /* For now, unconditionally reject this command */ | |
2792 | stat.un.b.lsRjtRsvd0 = 0; | |
2793 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2794 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2795 | stat.un.b.vendorUnique = 0; | |
2796 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2797 | return 0; | |
2798 | } | |
2799 | ||
082c0266 | 2800 | static void |
7bb3b137 JW |
2801 | lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
2802 | { | |
2803 | struct lpfc_sli *psli; | |
2804 | struct lpfc_sli_ring *pring; | |
2805 | MAILBOX_t *mb; | |
2806 | IOCB_t *icmd; | |
2807 | RPS_RSP *rps_rsp; | |
2808 | uint8_t *pcmd; | |
2809 | struct lpfc_iocbq *elsiocb; | |
2810 | struct lpfc_nodelist *ndlp; | |
2811 | uint16_t xri, status; | |
2812 | uint32_t cmdsize; | |
2813 | ||
2814 | psli = &phba->sli; | |
2815 | pring = &psli->ring[LPFC_ELS_RING]; | |
2816 | mb = &pmb->mb; | |
2817 | ||
2818 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2819 | xri = (uint16_t) ((unsigned long)(pmb->context1)); | |
041976fb RD |
2820 | pmb->context1 = NULL; |
2821 | pmb->context2 = NULL; | |
7bb3b137 JW |
2822 | |
2823 | if (mb->mbxStatus) { | |
2824 | mempool_free( pmb, phba->mbox_mem_pool); | |
2825 | return; | |
2826 | } | |
2827 | ||
2828 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); | |
2829 | mempool_free( pmb, phba->mbox_mem_pool); | |
488d1469 JS |
2830 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, lpfc_max_els_tries, ndlp, |
2831 | ndlp->nlp_DID, ELS_CMD_ACC); | |
c9f8735b | 2832 | if (!elsiocb) |
7bb3b137 | 2833 | return; |
7bb3b137 JW |
2834 | |
2835 | icmd = &elsiocb->iocb; | |
2836 | icmd->ulpContext = xri; | |
2837 | ||
2838 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2839 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2840 | pcmd += sizeof (uint32_t); /* Skip past command */ | |
2841 | rps_rsp = (RPS_RSP *)pcmd; | |
2842 | ||
2843 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
2844 | status = 0x10; | |
2845 | else | |
2846 | status = 0x8; | |
2847 | if (phba->fc_flag & FC_FABRIC) | |
2848 | status |= 0x4; | |
2849 | ||
2850 | rps_rsp->rsvd1 = 0; | |
2851 | rps_rsp->portStatus = be16_to_cpu(status); | |
2852 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); | |
2853 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); | |
2854 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); | |
2855 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); | |
2856 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); | |
2857 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); | |
2858 | ||
2859 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ | |
2860 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
dca9479b | 2861 | "%d:0118 Xmit ELS RPS ACC response tag x%x " |
7bb3b137 JW |
2862 | "Data: x%x x%x x%x x%x x%x\n", |
2863 | phba->brd_no, | |
2864 | elsiocb->iocb.ulpIoTag, | |
2865 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2866 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2867 | ||
2868 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2869 | phba->fc_stat.elsXmitACC++; | |
2870 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
2871 | lpfc_els_free_iocb(phba, elsiocb); | |
2872 | } | |
2873 | return; | |
2874 | } | |
2875 | ||
2876 | static int | |
2877 | lpfc_els_rcv_rps(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
dea3101e | 2878 | struct lpfc_nodelist * ndlp) |
2879 | { | |
dea3101e | 2880 | uint32_t *lp; |
7bb3b137 JW |
2881 | uint8_t flag; |
2882 | LPFC_MBOXQ_t *mbox; | |
2883 | struct lpfc_dmabuf *pcmd; | |
2884 | RPS *rps; | |
2885 | struct ls_rjt stat; | |
2886 | ||
2fe165b6 JW |
2887 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
2888 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
2889 | stat.un.b.lsRjtRsvd0 = 0; |
2890 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2891 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2892 | stat.un.b.vendorUnique = 0; | |
2893 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2894 | } | |
2895 | ||
2896 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2897 | lp = (uint32_t *) pcmd->virt; | |
2898 | flag = (be32_to_cpu(*lp++) & 0xf); | |
2899 | rps = (RPS *) lp; | |
2900 | ||
2901 | if ((flag == 0) || | |
2902 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || | |
2903 | ((flag == 2) && (memcmp(&rps->un.portName, &phba->fc_portname, | |
2904 | sizeof (struct lpfc_name)) == 0))) { | |
2905 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) { | |
2906 | lpfc_read_lnk_stat(phba, mbox); | |
2907 | mbox->context1 = | |
2908 | (void *)((unsigned long)cmdiocb->iocb.ulpContext); | |
2909 | mbox->context2 = ndlp; | |
2910 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; | |
2911 | if (lpfc_sli_issue_mbox (phba, mbox, | |
2912 | (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) { | |
2913 | /* Mbox completion will send ELS Response */ | |
2914 | return 0; | |
2915 | } | |
2916 | mempool_free(mbox, phba->mbox_mem_pool); | |
2917 | } | |
2918 | } | |
2919 | stat.un.b.lsRjtRsvd0 = 0; | |
2920 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2921 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2922 | stat.un.b.vendorUnique = 0; | |
2923 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2924 | return 0; | |
2925 | } | |
2926 | ||
082c0266 | 2927 | static int |
7bb3b137 JW |
2928 | lpfc_els_rsp_rpl_acc(struct lpfc_hba * phba, uint16_t cmdsize, |
2929 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2930 | { | |
dea3101e | 2931 | IOCB_t *icmd; |
7bb3b137 JW |
2932 | IOCB_t *oldcmd; |
2933 | RPL_RSP rpl_rsp; | |
2934 | struct lpfc_iocbq *elsiocb; | |
dea3101e | 2935 | struct lpfc_sli_ring *pring; |
2936 | struct lpfc_sli *psli; | |
7bb3b137 | 2937 | uint8_t *pcmd; |
dea3101e | 2938 | |
2939 | psli = &phba->sli; | |
7bb3b137 JW |
2940 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
2941 | ||
488d1469 JS |
2942 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2943 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
2944 | if (!elsiocb) | |
7bb3b137 | 2945 | return 1; |
488d1469 | 2946 | |
7bb3b137 JW |
2947 | icmd = &elsiocb->iocb; |
2948 | oldcmd = &oldiocb->iocb; | |
2949 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2950 | ||
2951 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2952 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2953 | pcmd += sizeof (uint16_t); | |
2954 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); | |
2955 | pcmd += sizeof(uint16_t); | |
2956 | ||
2957 | /* Setup the RPL ACC payload */ | |
2958 | rpl_rsp.listLen = be32_to_cpu(1); | |
2959 | rpl_rsp.index = 0; | |
2960 | rpl_rsp.port_num_blk.portNum = 0; | |
2961 | rpl_rsp.port_num_blk.portID = be32_to_cpu(phba->fc_myDID); | |
2962 | memcpy(&rpl_rsp.port_num_blk.portName, &phba->fc_portname, | |
2963 | sizeof(struct lpfc_name)); | |
2964 | ||
2965 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); | |
2966 | ||
2967 | ||
2968 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ | |
2969 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
dca9479b | 2970 | "%d:0120 Xmit ELS RPL ACC response tag x%x " |
7bb3b137 JW |
2971 | "Data: x%x x%x x%x x%x x%x\n", |
2972 | phba->brd_no, | |
2973 | elsiocb->iocb.ulpIoTag, | |
2974 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2975 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2976 | ||
2977 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2978 | ||
2979 | phba->fc_stat.elsXmitACC++; | |
2980 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
2981 | lpfc_els_free_iocb(phba, elsiocb); | |
2982 | return 1; | |
2983 | } | |
2984 | return 0; | |
2985 | } | |
2986 | ||
2987 | static int | |
2988 | lpfc_els_rcv_rpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
2989 | struct lpfc_nodelist * ndlp) | |
2990 | { | |
2991 | struct lpfc_dmabuf *pcmd; | |
2992 | uint32_t *lp; | |
2993 | uint32_t maxsize; | |
2994 | uint16_t cmdsize; | |
2995 | RPL *rpl; | |
2996 | struct ls_rjt stat; | |
2997 | ||
2fe165b6 JW |
2998 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
2999 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
3000 | stat.un.b.lsRjtRsvd0 = 0; |
3001 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3002 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3003 | stat.un.b.vendorUnique = 0; | |
3004 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
3005 | } | |
3006 | ||
dea3101e | 3007 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
3008 | lp = (uint32_t *) pcmd->virt; | |
7bb3b137 | 3009 | rpl = (RPL *) (lp + 1); |
dea3101e | 3010 | |
7bb3b137 | 3011 | maxsize = be32_to_cpu(rpl->maxsize); |
dea3101e | 3012 | |
7bb3b137 JW |
3013 | /* We support only one port */ |
3014 | if ((rpl->index == 0) && | |
3015 | ((maxsize == 0) || | |
3016 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { | |
3017 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); | |
2fe165b6 | 3018 | } else { |
7bb3b137 JW |
3019 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
3020 | } | |
3021 | lpfc_els_rsp_rpl_acc(phba, cmdsize, cmdiocb, ndlp); | |
dea3101e | 3022 | |
3023 | return 0; | |
3024 | } | |
3025 | ||
3026 | static int | |
3027 | lpfc_els_rcv_farp(struct lpfc_hba * phba, | |
3028 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) | |
3029 | { | |
3030 | struct lpfc_dmabuf *pcmd; | |
3031 | uint32_t *lp; | |
3032 | IOCB_t *icmd; | |
3033 | FARP *fp; | |
3034 | uint32_t cmd, cnt, did; | |
3035 | ||
3036 | icmd = &cmdiocb->iocb; | |
3037 | did = icmd->un.elsreq64.remoteID; | |
3038 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3039 | lp = (uint32_t *) pcmd->virt; | |
3040 | ||
3041 | cmd = *lp++; | |
3042 | fp = (FARP *) lp; | |
3043 | ||
3044 | /* FARP-REQ received from DID <did> */ | |
3045 | lpfc_printf_log(phba, | |
3046 | KERN_INFO, | |
a4bc3379 | 3047 | LOG_ELS, |
dea3101e | 3048 | "%d:0601 FARP-REQ received from DID x%x\n", |
3049 | phba->brd_no, did); | |
3050 | ||
3051 | /* We will only support match on WWPN or WWNN */ | |
3052 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { | |
c9f8735b | 3053 | return 0; |
dea3101e | 3054 | } |
3055 | ||
3056 | cnt = 0; | |
3057 | /* If this FARP command is searching for my portname */ | |
3058 | if (fp->Mflags & FARP_MATCH_PORT) { | |
3059 | if (memcmp(&fp->RportName, &phba->fc_portname, | |
3060 | sizeof (struct lpfc_name)) == 0) | |
3061 | cnt = 1; | |
3062 | } | |
3063 | ||
3064 | /* If this FARP command is searching for my nodename */ | |
3065 | if (fp->Mflags & FARP_MATCH_NODE) { | |
3066 | if (memcmp(&fp->RnodeName, &phba->fc_nodename, | |
3067 | sizeof (struct lpfc_name)) == 0) | |
3068 | cnt = 1; | |
3069 | } | |
3070 | ||
3071 | if (cnt) { | |
3072 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
3073 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { | |
3074 | /* Log back into the node before sending the FARP. */ | |
3075 | if (fp->Rflags & FARP_REQUEST_PLOGI) { | |
5024ab17 | 3076 | ndlp->nlp_prev_state = ndlp->nlp_state; |
dea3101e | 3077 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
3078 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
488d1469 | 3079 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); |
dea3101e | 3080 | } |
3081 | ||
3082 | /* Send a FARP response to that node */ | |
3083 | if (fp->Rflags & FARP_REQUEST_FARPR) { | |
3084 | lpfc_issue_els_farpr(phba, did, 0); | |
3085 | } | |
3086 | } | |
3087 | } | |
c9f8735b | 3088 | return 0; |
dea3101e | 3089 | } |
3090 | ||
3091 | static int | |
3092 | lpfc_els_rcv_farpr(struct lpfc_hba * phba, | |
3093 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) | |
3094 | { | |
3095 | struct lpfc_dmabuf *pcmd; | |
3096 | uint32_t *lp; | |
3097 | IOCB_t *icmd; | |
3098 | uint32_t cmd, did; | |
3099 | ||
3100 | icmd = &cmdiocb->iocb; | |
3101 | did = icmd->un.elsreq64.remoteID; | |
3102 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3103 | lp = (uint32_t *) pcmd->virt; | |
3104 | ||
3105 | cmd = *lp++; | |
3106 | /* FARP-RSP received from DID <did> */ | |
3107 | lpfc_printf_log(phba, | |
3108 | KERN_INFO, | |
a4bc3379 | 3109 | LOG_ELS, |
dea3101e | 3110 | "%d:0600 FARP-RSP received from DID x%x\n", |
3111 | phba->brd_no, did); | |
3112 | ||
3113 | /* ACCEPT the Farp resp request */ | |
3114 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); | |
3115 | ||
3116 | return 0; | |
3117 | } | |
3118 | ||
3119 | static int | |
3120 | lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
5024ab17 | 3121 | struct lpfc_nodelist * fan_ndlp) |
dea3101e | 3122 | { |
3123 | struct lpfc_dmabuf *pcmd; | |
3124 | uint32_t *lp; | |
3125 | IOCB_t *icmd; | |
dea3101e | 3126 | uint32_t cmd, did; |
5024ab17 JW |
3127 | FAN *fp; |
3128 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3129 | ||
3130 | /* FAN received */ | |
dca9479b | 3131 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0265 FAN received\n", |
5024ab17 | 3132 | phba->brd_no); |
dea3101e | 3133 | |
3134 | icmd = &cmdiocb->iocb; | |
3135 | did = icmd->un.elsreq64.remoteID; | |
5024ab17 JW |
3136 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
3137 | lp = (uint32_t *)pcmd->virt; | |
dea3101e | 3138 | |
3139 | cmd = *lp++; | |
5024ab17 | 3140 | fp = (FAN *)lp; |
dea3101e | 3141 | |
5024ab17 | 3142 | /* FAN received; Fan does not have a reply sequence */ |
dea3101e | 3143 | |
3144 | if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { | |
5024ab17 JW |
3145 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
3146 | sizeof(struct lpfc_name)) != 0) || | |
3147 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, | |
3148 | sizeof(struct lpfc_name)) != 0)) { | |
3149 | /* | |
3150 | * This node has switched fabrics. FLOGI is required | |
3151 | * Clean up the old rpi's | |
dea3101e | 3152 | */ |
5024ab17 JW |
3153 | |
3154 | list_for_each_entry_safe(ndlp, next_ndlp, | |
3155 | &phba->fc_npr_list, nlp_listp) { | |
3156 | ||
3157 | if (ndlp->nlp_type & NLP_FABRIC) { | |
3158 | /* | |
3159 | * Clean up old Fabric, Nameserver and | |
3160 | * other NLP_FABRIC logins | |
3161 | */ | |
3162 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
2fe165b6 | 3163 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
5024ab17 JW |
3164 | /* Fail outstanding I/O now since this |
3165 | * device is marked for PLOGI | |
3166 | */ | |
3167 | lpfc_unreg_rpi(phba, ndlp); | |
3168 | } | |
3169 | } | |
3170 | ||
3171 | phba->hba_state = LPFC_FLOGI; | |
3172 | lpfc_set_disctmo(phba); | |
3173 | lpfc_initial_flogi(phba); | |
c9f8735b | 3174 | return 0; |
dea3101e | 3175 | } |
5024ab17 JW |
3176 | /* Discovery not needed, |
3177 | * move the nodes to their original state. | |
3178 | */ | |
3179 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
3180 | nlp_listp) { | |
dea3101e | 3181 | |
5024ab17 JW |
3182 | switch (ndlp->nlp_prev_state) { |
3183 | case NLP_STE_UNMAPPED_NODE: | |
3184 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
3185 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
3186 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
3187 | break; | |
3188 | ||
3189 | case NLP_STE_MAPPED_NODE: | |
3190 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
3191 | ndlp->nlp_state = NLP_STE_MAPPED_NODE; | |
3192 | lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); | |
3193 | break; | |
3194 | ||
3195 | default: | |
3196 | break; | |
3197 | } | |
3198 | } | |
3199 | ||
3200 | /* Start discovery - this should just do CLEAR_LA */ | |
dea3101e | 3201 | lpfc_disc_start(phba); |
3202 | } | |
c9f8735b | 3203 | return 0; |
dea3101e | 3204 | } |
3205 | ||
3206 | void | |
3207 | lpfc_els_timeout(unsigned long ptr) | |
3208 | { | |
3209 | struct lpfc_hba *phba; | |
3210 | unsigned long iflag; | |
3211 | ||
3212 | phba = (struct lpfc_hba *)ptr; | |
3213 | if (phba == 0) | |
3214 | return; | |
3215 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
3216 | if (!(phba->work_hba_events & WORKER_ELS_TMO)) { | |
3217 | phba->work_hba_events |= WORKER_ELS_TMO; | |
3218 | if (phba->work_wait) | |
3219 | wake_up(phba->work_wait); | |
3220 | } | |
3221 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
3222 | return; | |
3223 | } | |
3224 | ||
3225 | void | |
3226 | lpfc_els_timeout_handler(struct lpfc_hba *phba) | |
3227 | { | |
3228 | struct lpfc_sli_ring *pring; | |
3229 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3230 | IOCB_t *cmd = NULL; | |
3231 | struct lpfc_dmabuf *pcmd; | |
dea3101e | 3232 | uint32_t *elscmd; |
3233 | uint32_t els_command; | |
3234 | uint32_t timeout; | |
3235 | uint32_t remote_ID; | |
3236 | ||
3237 | if (phba == 0) | |
3238 | return; | |
3239 | spin_lock_irq(phba->host->host_lock); | |
3240 | /* If the timer is already canceled do nothing */ | |
3241 | if (!(phba->work_hba_events & WORKER_ELS_TMO)) { | |
3242 | spin_unlock_irq(phba->host->host_lock); | |
3243 | return; | |
3244 | } | |
3245 | timeout = (uint32_t)(phba->fc_ratov << 1); | |
3246 | ||
3247 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
dea3101e | 3248 | |
3249 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3250 | cmd = &piocb->iocb; | |
3251 | ||
3252 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3253 | continue; | |
3254 | } | |
3255 | pcmd = (struct lpfc_dmabuf *) piocb->context2; | |
3256 | elscmd = (uint32_t *) (pcmd->virt); | |
3257 | els_command = *elscmd; | |
3258 | ||
3259 | if ((els_command == ELS_CMD_FARP) | |
3260 | || (els_command == ELS_CMD_FARPR)) { | |
3261 | continue; | |
3262 | } | |
3263 | ||
3264 | if (piocb->drvrTimeout > 0) { | |
3265 | if (piocb->drvrTimeout >= timeout) { | |
3266 | piocb->drvrTimeout -= timeout; | |
3267 | } else { | |
3268 | piocb->drvrTimeout = 0; | |
3269 | } | |
3270 | continue; | |
3271 | } | |
3272 | ||
dea3101e | 3273 | if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { |
3274 | struct lpfc_nodelist *ndlp; | |
66a9ed66 | 3275 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 3276 | ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); |
66a9ed66 | 3277 | spin_lock_irq(phba->host->host_lock); |
dea3101e | 3278 | remote_ID = ndlp->nlp_DID; |
dea3101e | 3279 | } else { |
3280 | remote_ID = cmd->un.elsreq64.remoteID; | |
3281 | } | |
3282 | ||
3283 | lpfc_printf_log(phba, | |
3284 | KERN_ERR, | |
3285 | LOG_ELS, | |
3286 | "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n", | |
3287 | phba->brd_no, els_command, | |
3288 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); | |
3289 | ||
07951076 | 3290 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3291 | } |
5a0e326d JS |
3292 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
3293 | mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout); | |
3294 | ||
dea3101e | 3295 | spin_unlock_irq(phba->host->host_lock); |
3296 | } | |
3297 | ||
3298 | void | |
3299 | lpfc_els_flush_cmd(struct lpfc_hba * phba) | |
3300 | { | |
3301 | struct lpfc_sli_ring *pring; | |
3302 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3303 | IOCB_t *cmd = NULL; | |
dea3101e | 3304 | |
3305 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
3306 | spin_lock_irq(phba->host->host_lock); | |
3307 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { | |
3308 | cmd = &piocb->iocb; | |
3309 | ||
3310 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3311 | continue; | |
3312 | } | |
3313 | ||
3314 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
3315 | if ((cmd->ulpCommand == CMD_QUE_RING_BUF_CN) || | |
3316 | (cmd->ulpCommand == CMD_QUE_RING_BUF64_CN) || | |
3317 | (cmd->ulpCommand == CMD_CLOSE_XRI_CN) || | |
3318 | (cmd->ulpCommand == CMD_ABORT_XRI_CN)) { | |
3319 | continue; | |
3320 | } | |
3321 | ||
dea3101e | 3322 | list_del(&piocb->list); |
1dcb58e5 | 3323 | pring->txq_cnt--; |
dea3101e | 3324 | |
3325 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
3326 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3327 | ||
3328 | if (piocb->iocb_cmpl) { | |
3329 | spin_unlock_irq(phba->host->host_lock); | |
3330 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
3331 | spin_lock_irq(phba->host->host_lock); | |
2fe165b6 | 3332 | } else |
604a3e30 | 3333 | lpfc_sli_release_iocbq(phba, piocb); |
dea3101e | 3334 | } |
3335 | ||
3336 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3337 | cmd = &piocb->iocb; | |
3338 | ||
3339 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3340 | continue; | |
3341 | } | |
dea3101e | 3342 | |
07951076 | 3343 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3344 | } |
3345 | spin_unlock_irq(phba->host->host_lock); | |
3346 | return; | |
3347 | } | |
3348 | ||
3349 | void | |
3350 | lpfc_els_unsol_event(struct lpfc_hba * phba, | |
3351 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * elsiocb) | |
3352 | { | |
3353 | struct lpfc_sli *psli; | |
3354 | struct lpfc_nodelist *ndlp; | |
3355 | struct lpfc_dmabuf *mp; | |
3356 | uint32_t *lp; | |
3357 | IOCB_t *icmd; | |
3358 | struct ls_rjt stat; | |
3359 | uint32_t cmd; | |
3360 | uint32_t did; | |
3361 | uint32_t newnode; | |
3362 | uint32_t drop_cmd = 0; /* by default do NOT drop received cmd */ | |
3363 | uint32_t rjt_err = 0; | |
3364 | ||
3365 | psli = &phba->sli; | |
3366 | icmd = &elsiocb->iocb; | |
3367 | ||
3368 | if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
3369 | ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { | |
3370 | /* Not enough posted buffers; Try posting more buffers */ | |
3371 | phba->fc_stat.NoRcvBuf++; | |
3372 | lpfc_post_buffer(phba, pring, 0, 1); | |
3373 | return; | |
3374 | } | |
3375 | ||
3376 | /* If there are no BDEs associated with this IOCB, | |
3377 | * there is nothing to do. | |
3378 | */ | |
3379 | if (icmd->ulpBdeCount == 0) | |
3380 | return; | |
3381 | ||
3382 | /* type of ELS cmd is first 32bit word in packet */ | |
3383 | mp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un. | |
3384 | cont64[0]. | |
3385 | addrHigh, | |
3386 | icmd->un. | |
3387 | cont64[0].addrLow)); | |
3388 | if (mp == 0) { | |
3389 | drop_cmd = 1; | |
3390 | goto dropit; | |
3391 | } | |
3392 | ||
3393 | newnode = 0; | |
3394 | lp = (uint32_t *) mp->virt; | |
3395 | cmd = *lp++; | |
3396 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], 1, 1); | |
3397 | ||
3398 | if (icmd->ulpStatus) { | |
3399 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3400 | kfree(mp); | |
3401 | drop_cmd = 1; | |
3402 | goto dropit; | |
3403 | } | |
3404 | ||
3405 | /* Check to see if link went down during discovery */ | |
3406 | if (lpfc_els_chk_latt(phba)) { | |
3407 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3408 | kfree(mp); | |
3409 | drop_cmd = 1; | |
3410 | goto dropit; | |
3411 | } | |
3412 | ||
3413 | did = icmd->un.rcvels.remoteID; | |
c9f8735b JW |
3414 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); |
3415 | if (!ndlp) { | |
dea3101e | 3416 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
3417 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
3418 | if (!ndlp) { | |
dea3101e | 3419 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3420 | kfree(mp); | |
3421 | drop_cmd = 1; | |
3422 | goto dropit; | |
3423 | } | |
3424 | ||
3425 | lpfc_nlp_init(phba, ndlp, did); | |
3426 | newnode = 1; | |
3427 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { | |
3428 | ndlp->nlp_type |= NLP_FABRIC; | |
3429 | } | |
92795650 JS |
3430 | ndlp->nlp_state = NLP_STE_UNUSED_NODE; |
3431 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); | |
dea3101e | 3432 | } |
3433 | ||
3434 | phba->fc_stat.elsRcvFrame++; | |
3435 | elsiocb->context1 = ndlp; | |
3436 | elsiocb->context2 = mp; | |
3437 | ||
3438 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { | |
3439 | cmd &= ELS_CMD_MASK; | |
3440 | } | |
3441 | /* ELS command <elsCmd> received from NPORT <did> */ | |
3442 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
3443 | "%d:0112 ELS command x%x received from NPORT x%x " | |
3444 | "Data: x%x\n", phba->brd_no, cmd, did, phba->hba_state); | |
3445 | ||
3446 | switch (cmd) { | |
3447 | case ELS_CMD_PLOGI: | |
3448 | phba->fc_stat.elsRcvPLOGI++; | |
3449 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3450 | rjt_err = 1; |
dea3101e | 3451 | break; |
3452 | } | |
92795650 | 3453 | ndlp = lpfc_plogi_confirm_nport(phba, mp, ndlp); |
dea3101e | 3454 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); |
3455 | break; | |
3456 | case ELS_CMD_FLOGI: | |
3457 | phba->fc_stat.elsRcvFLOGI++; | |
3458 | lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode); | |
3459 | if (newnode) { | |
92795650 | 3460 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
dea3101e | 3461 | } |
3462 | break; | |
3463 | case ELS_CMD_LOGO: | |
3464 | phba->fc_stat.elsRcvLOGO++; | |
3465 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3466 | rjt_err = 1; |
dea3101e | 3467 | break; |
3468 | } | |
3469 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_LOGO); | |
3470 | break; | |
3471 | case ELS_CMD_PRLO: | |
3472 | phba->fc_stat.elsRcvPRLO++; | |
3473 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3474 | rjt_err = 1; |
dea3101e | 3475 | break; |
3476 | } | |
3477 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLO); | |
3478 | break; | |
3479 | case ELS_CMD_RSCN: | |
3480 | phba->fc_stat.elsRcvRSCN++; | |
3481 | lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode); | |
3482 | if (newnode) { | |
92795650 | 3483 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
dea3101e | 3484 | } |
3485 | break; | |
3486 | case ELS_CMD_ADISC: | |
3487 | phba->fc_stat.elsRcvADISC++; | |
3488 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3489 | rjt_err = 1; |
dea3101e | 3490 | break; |
3491 | } | |
3492 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_ADISC); | |
3493 | break; | |
3494 | case ELS_CMD_PDISC: | |
3495 | phba->fc_stat.elsRcvPDISC++; | |
3496 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3497 | rjt_err = 1; |
dea3101e | 3498 | break; |
3499 | } | |
3500 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PDISC); | |
3501 | break; | |
3502 | case ELS_CMD_FARPR: | |
3503 | phba->fc_stat.elsRcvFARPR++; | |
3504 | lpfc_els_rcv_farpr(phba, elsiocb, ndlp); | |
3505 | break; | |
3506 | case ELS_CMD_FARP: | |
3507 | phba->fc_stat.elsRcvFARP++; | |
3508 | lpfc_els_rcv_farp(phba, elsiocb, ndlp); | |
3509 | break; | |
3510 | case ELS_CMD_FAN: | |
3511 | phba->fc_stat.elsRcvFAN++; | |
3512 | lpfc_els_rcv_fan(phba, elsiocb, ndlp); | |
3513 | break; | |
dea3101e | 3514 | case ELS_CMD_PRLI: |
3515 | phba->fc_stat.elsRcvPRLI++; | |
3516 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3517 | rjt_err = 1; |
dea3101e | 3518 | break; |
3519 | } | |
3520 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI); | |
3521 | break; | |
7bb3b137 JW |
3522 | case ELS_CMD_LIRR: |
3523 | phba->fc_stat.elsRcvLIRR++; | |
3524 | lpfc_els_rcv_lirr(phba, elsiocb, ndlp); | |
3525 | if (newnode) { | |
92795650 | 3526 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
7bb3b137 JW |
3527 | } |
3528 | break; | |
3529 | case ELS_CMD_RPS: | |
3530 | phba->fc_stat.elsRcvRPS++; | |
3531 | lpfc_els_rcv_rps(phba, elsiocb, ndlp); | |
3532 | if (newnode) { | |
92795650 | 3533 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
7bb3b137 JW |
3534 | } |
3535 | break; | |
3536 | case ELS_CMD_RPL: | |
3537 | phba->fc_stat.elsRcvRPL++; | |
3538 | lpfc_els_rcv_rpl(phba, elsiocb, ndlp); | |
3539 | if (newnode) { | |
92795650 | 3540 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
7bb3b137 JW |
3541 | } |
3542 | break; | |
dea3101e | 3543 | case ELS_CMD_RNID: |
3544 | phba->fc_stat.elsRcvRNID++; | |
3545 | lpfc_els_rcv_rnid(phba, elsiocb, ndlp); | |
7bb3b137 | 3546 | if (newnode) { |
92795650 | 3547 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
7bb3b137 | 3548 | } |
dea3101e | 3549 | break; |
3550 | default: | |
3551 | /* Unsupported ELS command, reject */ | |
1f679caf | 3552 | rjt_err = 1; |
dea3101e | 3553 | |
3554 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ | |
3555 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
3556 | "%d:0115 Unknown ELS command x%x received from " | |
3557 | "NPORT x%x\n", phba->brd_no, cmd, did); | |
3558 | if (newnode) { | |
92795650 | 3559 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
dea3101e | 3560 | } |
3561 | break; | |
3562 | } | |
3563 | ||
3564 | /* check if need to LS_RJT received ELS cmd */ | |
3565 | if (rjt_err) { | |
3566 | stat.un.b.lsRjtRsvd0 = 0; | |
3567 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1f679caf | 3568 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
dea3101e | 3569 | stat.un.b.vendorUnique = 0; |
3570 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp); | |
3571 | } | |
3572 | ||
3573 | if (elsiocb->context2) { | |
3574 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3575 | kfree(mp); | |
3576 | } | |
3577 | dropit: | |
3578 | /* check if need to drop received ELS cmd */ | |
3579 | if (drop_cmd == 1) { | |
3580 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
3581 | "%d:0111 Dropping received ELS cmd " | |
c9f8735b JW |
3582 | "Data: x%x x%x x%x\n", phba->brd_no, |
3583 | icmd->ulpStatus, icmd->un.ulpWord[4], | |
3584 | icmd->ulpTimeout); | |
dea3101e | 3585 | phba->fc_stat.elsRcvDrop++; |
3586 | } | |
3587 | return; | |
3588 | } |