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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e JB |
27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
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 JB |
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 JB |
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 JB |
115 | /* Allocate buffer for command iocb */ |
116 | spin_lock_irq(phba->host->host_lock); | |
0bd4ca25 | 117 | elsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
118 | spin_unlock_irq(phba->host->host_lock); |
119 | ||
120 | if (elsiocb == NULL) | |
121 | return NULL; | |
dea3101e JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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; |
2680eeaa | 185 | icmd->ulpTimeout = phba->fc_ratov * 2; |
dea3101e JB |
186 | } else { |
187 | icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); | |
188 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; | |
189 | } | |
190 | ||
191 | icmd->ulpBdeCount = 1; | |
192 | icmd->ulpLe = 1; | |
193 | icmd->ulpClass = CLASS3; | |
194 | ||
195 | bpl = (struct ulp_bde64 *) pbuflist->virt; | |
196 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); | |
197 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); | |
198 | bpl->tus.f.bdeSize = cmdSize; | |
199 | bpl->tus.f.bdeFlags = 0; | |
200 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
201 | ||
202 | if (expectRsp) { | |
203 | bpl++; | |
204 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); | |
205 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); | |
206 | bpl->tus.f.bdeSize = FCELSSIZE; | |
207 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; | |
208 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
209 | } | |
210 | ||
211 | /* Save for completion so we can release these resources */ | |
329f9bc7 JS |
212 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
213 | elsiocb->context2 = pcmd; | |
214 | elsiocb->context3 = pbuflist; | |
dea3101e JB |
215 | elsiocb->retry = retry; |
216 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; | |
217 | ||
218 | if (prsp) { | |
219 | list_add(&prsp->list, &pcmd->list); | |
220 | } | |
221 | ||
222 | if (expectRsp) { | |
223 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ | |
224 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
225 | "%d:0116 Xmit ELS command x%x to remote " | |
1dcb58e5 | 226 | "NPORT x%x I/O tag: x%x, HBA state: x%x\n", |
dea3101e | 227 | phba->brd_no, elscmd, |
1dcb58e5 | 228 | did, elsiocb->iotag, phba->hba_state); |
dea3101e JB |
229 | } else { |
230 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ | |
231 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
232 | "%d:0117 Xmit ELS response x%x to remote " | |
1dcb58e5 | 233 | "NPORT x%x I/O tag: x%x, size: x%x\n", |
dea3101e | 234 | phba->brd_no, elscmd, |
1dcb58e5 | 235 | ndlp->nlp_DID, elsiocb->iotag, cmdSize); |
dea3101e JB |
236 | } |
237 | ||
c9f8735b | 238 | return elsiocb; |
dea3101e JB |
239 | } |
240 | ||
241 | ||
242 | static int | |
243 | lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
244 | struct serv_parm *sp, IOCB_t *irsp) | |
245 | { | |
246 | LPFC_MBOXQ_t *mbox; | |
14691150 | 247 | struct lpfc_dmabuf *mp; |
dea3101e JB |
248 | int rc; |
249 | ||
250 | spin_lock_irq(phba->host->host_lock); | |
251 | phba->fc_flag |= FC_FABRIC; | |
252 | spin_unlock_irq(phba->host->host_lock); | |
253 | ||
254 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); | |
255 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ | |
256 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; | |
257 | ||
258 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; | |
259 | ||
260 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
261 | spin_lock_irq(phba->host->host_lock); | |
262 | phba->fc_flag |= FC_PUBLIC_LOOP; | |
263 | spin_unlock_irq(phba->host->host_lock); | |
264 | } else { | |
265 | /* | |
266 | * If we are a N-port connected to a Fabric, fixup sparam's so | |
267 | * logins to devices on remote loops work. | |
268 | */ | |
269 | phba->fc_sparam.cmn.altBbCredit = 1; | |
270 | } | |
271 | ||
272 | phba->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; | |
273 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); | |
274 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); | |
275 | ndlp->nlp_class_sup = 0; | |
276 | if (sp->cls1.classValid) | |
277 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
278 | if (sp->cls2.classValid) | |
279 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
280 | if (sp->cls3.classValid) | |
281 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
282 | if (sp->cls4.classValid) | |
283 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
284 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
285 | sp->cmn.bbRcvSizeLsb; | |
286 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
287 | ||
288 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
289 | if (!mbox) | |
290 | goto fail; | |
291 | ||
292 | phba->hba_state = LPFC_FABRIC_CFG_LINK; | |
293 | lpfc_config_link(phba, mbox); | |
294 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
295 | ||
296 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); | |
297 | if (rc == MBX_NOT_FINISHED) | |
298 | goto fail_free_mbox; | |
299 | ||
300 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
301 | if (!mbox) | |
302 | goto fail; | |
303 | ||
304 | if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0)) | |
305 | goto fail_free_mbox; | |
306 | ||
dea3101e | 307 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
329f9bc7 | 308 | mbox->context2 = lpfc_nlp_get(ndlp); |
dea3101e JB |
309 | |
310 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); | |
311 | if (rc == MBX_NOT_FINISHED) | |
14691150 | 312 | goto fail_issue_reg_login; |
dea3101e JB |
313 | |
314 | return 0; | |
315 | ||
14691150 | 316 | fail_issue_reg_login: |
329f9bc7 | 317 | lpfc_nlp_put(ndlp); |
14691150 JS |
318 | mp = (struct lpfc_dmabuf *) mbox->context1; |
319 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
320 | kfree(mp); | |
dea3101e JB |
321 | fail_free_mbox: |
322 | mempool_free(mbox, phba->mbox_mem_pool); | |
323 | fail: | |
324 | return -ENXIO; | |
325 | } | |
326 | ||
327 | /* | |
328 | * We FLOGIed into an NPort, initiate pt2pt protocol | |
329 | */ | |
330 | static int | |
331 | lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
332 | struct serv_parm *sp) | |
333 | { | |
334 | LPFC_MBOXQ_t *mbox; | |
335 | int rc; | |
336 | ||
337 | spin_lock_irq(phba->host->host_lock); | |
338 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
339 | spin_unlock_irq(phba->host->host_lock); | |
340 | ||
341 | phba->fc_edtov = FF_DEF_EDTOV; | |
342 | phba->fc_ratov = FF_DEF_RATOV; | |
343 | rc = memcmp(&phba->fc_portname, &sp->portName, | |
344 | sizeof(struct lpfc_name)); | |
345 | if (rc >= 0) { | |
346 | /* This side will initiate the PLOGI */ | |
347 | spin_lock_irq(phba->host->host_lock); | |
348 | phba->fc_flag |= FC_PT2PT_PLOGI; | |
349 | spin_unlock_irq(phba->host->host_lock); | |
350 | ||
351 | /* | |
352 | * N_Port ID cannot be 0, set our to LocalID the other | |
353 | * side will be RemoteID. | |
354 | */ | |
355 | ||
356 | /* not equal */ | |
357 | if (rc) | |
358 | phba->fc_myDID = PT2PT_LocalID; | |
359 | ||
360 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
361 | if (!mbox) | |
362 | goto fail; | |
363 | ||
364 | lpfc_config_link(phba, mbox); | |
365 | ||
366 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
367 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
368 | MBX_NOWAIT | MBX_STOP_IOCB); | |
369 | if (rc == MBX_NOT_FINISHED) { | |
370 | mempool_free(mbox, phba->mbox_mem_pool); | |
371 | goto fail; | |
372 | } | |
329f9bc7 | 373 | lpfc_nlp_put(ndlp); |
dea3101e | 374 | |
685f0bf7 | 375 | ndlp = lpfc_findnode_did(phba, PT2PT_RemoteID); |
dea3101e JB |
376 | if (!ndlp) { |
377 | /* | |
378 | * Cannot find existing Fabric ndlp, so allocate a | |
379 | * new one | |
380 | */ | |
381 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
382 | if (!ndlp) | |
383 | goto fail; | |
384 | ||
385 | lpfc_nlp_init(phba, ndlp, PT2PT_RemoteID); | |
386 | } | |
387 | ||
388 | memcpy(&ndlp->nlp_portname, &sp->portName, | |
389 | sizeof(struct lpfc_name)); | |
390 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, | |
391 | sizeof(struct lpfc_name)); | |
de0c5b32 | 392 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
dea3101e JB |
393 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
394 | } else { | |
395 | /* This side will wait for the PLOGI */ | |
329f9bc7 | 396 | lpfc_nlp_put(ndlp); |
dea3101e JB |
397 | } |
398 | ||
399 | spin_lock_irq(phba->host->host_lock); | |
400 | phba->fc_flag |= FC_PT2PT; | |
401 | spin_unlock_irq(phba->host->host_lock); | |
402 | ||
403 | /* Start discovery - this should just do CLEAR_LA */ | |
404 | lpfc_disc_start(phba); | |
405 | return 0; | |
406 | fail: | |
407 | return -ENXIO; | |
408 | } | |
409 | ||
410 | static void | |
329f9bc7 JS |
411 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
412 | struct lpfc_iocbq *rspiocb) | |
dea3101e JB |
413 | { |
414 | IOCB_t *irsp = &rspiocb->iocb; | |
415 | struct lpfc_nodelist *ndlp = cmdiocb->context1; | |
416 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; | |
417 | struct serv_parm *sp; | |
418 | int rc; | |
419 | ||
420 | /* Check to see if link went down during discovery */ | |
421 | if (lpfc_els_chk_latt(phba)) { | |
329f9bc7 | 422 | lpfc_nlp_put(ndlp); |
dea3101e JB |
423 | goto out; |
424 | } | |
425 | ||
426 | if (irsp->ulpStatus) { | |
427 | /* Check for retry */ | |
428 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
429 | /* ELS command is being retried */ | |
430 | goto out; | |
431 | } | |
432 | /* FLOGI failed, so there is no fabric */ | |
433 | spin_lock_irq(phba->host->host_lock); | |
434 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
435 | spin_unlock_irq(phba->host->host_lock); | |
436 | ||
329f9bc7 | 437 | /* If private loop, then allow max outstanding els to be |
dea3101e JB |
438 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
439 | * alpa map would take too long otherwise. | |
440 | */ | |
441 | if (phba->alpa_map[0] == 0) { | |
329f9bc7 | 442 | phba->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
dea3101e JB |
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 JB |
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: | |
329f9bc7 | 487 | lpfc_nlp_put(ndlp); |
dea3101e JB |
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 JB |
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 JB |
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 JB |
587 | } |
588 | } | |
589 | spin_unlock_irq(phba->host->host_lock); | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
594 | int | |
685f0bf7 | 595 | lpfc_initial_flogi(struct lpfc_hba *phba) |
dea3101e JB |
596 | { |
597 | struct lpfc_nodelist *ndlp; | |
598 | ||
c9f8735b | 599 | /* First look for the Fabric ndlp */ |
685f0bf7 | 600 | ndlp = lpfc_findnode_did(phba, Fabric_DID); |
c9f8735b | 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 | 607 | } else { |
de0c5b32 | 608 | lpfc_dequeue_node(phba, ndlp); |
dea3101e JB |
609 | } |
610 | if (lpfc_issue_els_flogi(phba, ndlp, 0)) { | |
329f9bc7 | 611 | lpfc_nlp_put(ndlp); |
dea3101e | 612 | } |
c9f8735b | 613 | return 1; |
dea3101e JB |
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 * |
685f0bf7 | 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)); | |
685f0bf7 | 657 | memset(name, 0, sizeof(struct lpfc_name)); |
488d1469 | 658 | |
685f0bf7 | 659 | /* Now we find out if the NPort we are logging into, matches the WWPN |
488d1469 JS |
660 | * we have for that ndlp. If not, we have some work to do. |
661 | */ | |
685f0bf7 | 662 | new_ndlp = lpfc_findnode_wwpn(phba, &sp->portName); |
488d1469 | 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 | 681 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
de0c5b32 | 682 | lpfc_nlp_set_state(phba, new_ndlp, ndlp->nlp_state); |
488d1469 JS |
683 | |
684 | /* Move this back to NPR list */ | |
de0c5b32 JS |
685 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) |
686 | lpfc_drop_node(phba, ndlp); | |
92795650 JS |
687 | else { |
688 | lpfc_unreg_rpi(phba, ndlp); | |
689 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ | |
de0c5b32 | 690 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
92795650 | 691 | } |
488d1469 JS |
692 | return new_ndlp; |
693 | } | |
694 | ||
dea3101e JB |
695 | static void |
696 | lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
697 | struct lpfc_iocbq * rspiocb) | |
698 | { | |
699 | IOCB_t *irsp; | |
dea3101e | 700 | struct lpfc_nodelist *ndlp; |
92795650 | 701 | struct lpfc_dmabuf *prsp; |
dea3101e JB |
702 | int disc, rc, did, type; |
703 | ||
dea3101e JB |
704 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
705 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
706 | ||
707 | irsp = &rspiocb->iocb; | |
685f0bf7 | 708 | ndlp = lpfc_findnode_did(phba, irsp->un.elsreq64.remoteID); |
488d1469 JS |
709 | if (!ndlp) |
710 | goto out; | |
dea3101e JB |
711 | |
712 | /* Since ndlp can be freed in the disc state machine, note if this node | |
713 | * is being used during discovery. | |
714 | */ | |
715 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); | |
c9f8735b | 716 | spin_lock_irq(phba->host->host_lock); |
488d1469 | 717 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
c9f8735b | 718 | spin_unlock_irq(phba->host->host_lock); |
dea3101e JB |
719 | rc = 0; |
720 | ||
721 | /* PLOGI completes to NPort <nlp_DID> */ | |
722 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
723 | "%d:0102 PLOGI completes to NPort x%x " | |
c9f8735b | 724 | "Data: x%x x%x x%x x%x x%x\n", |
dea3101e | 725 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
726 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
727 | phba->num_disc_nodes); | |
dea3101e JB |
728 | |
729 | /* Check to see if link went down during discovery */ | |
730 | if (lpfc_els_chk_latt(phba)) { | |
731 | spin_lock_irq(phba->host->host_lock); | |
732 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
733 | spin_unlock_irq(phba->host->host_lock); | |
734 | goto out; | |
735 | } | |
736 | ||
737 | /* ndlp could be freed in DSM, save these values now */ | |
738 | type = ndlp->nlp_type; | |
739 | did = ndlp->nlp_DID; | |
740 | ||
741 | if (irsp->ulpStatus) { | |
742 | /* Check for retry */ | |
743 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
744 | /* ELS command is being retried */ | |
745 | if (disc) { | |
746 | spin_lock_irq(phba->host->host_lock); | |
747 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
748 | spin_unlock_irq(phba->host->host_lock); | |
749 | } | |
750 | goto out; | |
751 | } | |
752 | ||
753 | /* PLOGI failed */ | |
754 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
755 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
756 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 757 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 758 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
c9f8735b | 759 | rc = NLP_STE_FREED_NODE; |
2fe165b6 | 760 | } else { |
dea3101e JB |
761 | rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
762 | NLP_EVT_CMPL_PLOGI); | |
763 | } | |
764 | } else { | |
765 | /* Good status, call state machine */ | |
92795650 JS |
766 | prsp = list_entry(((struct lpfc_dmabuf *) |
767 | cmdiocb->context2)->list.next, | |
768 | struct lpfc_dmabuf, list); | |
769 | ndlp = lpfc_plogi_confirm_nport(phba, prsp, ndlp); | |
dea3101e JB |
770 | rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
771 | NLP_EVT_CMPL_PLOGI); | |
772 | } | |
773 | ||
dea3101e JB |
774 | if (disc && phba->num_disc_nodes) { |
775 | /* Check to see if there are more PLOGIs to be sent */ | |
776 | lpfc_more_plogi(phba); | |
dea3101e | 777 | |
10d4e957 JS |
778 | if (phba->num_disc_nodes == 0) { |
779 | spin_lock_irq(phba->host->host_lock); | |
780 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
781 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 782 | |
10d4e957 JS |
783 | lpfc_can_disctmo(phba); |
784 | if (phba->fc_flag & FC_RSCN_MODE) { | |
785 | /* | |
786 | * Check to see if more RSCNs came in while | |
787 | * we were processing this one. | |
788 | */ | |
789 | if ((phba->fc_rscn_id_cnt == 0) && | |
790 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
791 | spin_lock_irq(phba->host->host_lock); | |
792 | phba->fc_flag &= ~FC_RSCN_MODE; | |
793 | spin_unlock_irq(phba->host->host_lock); | |
794 | } else { | |
795 | lpfc_els_handle_rscn(phba); | |
796 | } | |
dea3101e JB |
797 | } |
798 | } | |
799 | } | |
800 | ||
801 | out: | |
802 | lpfc_els_free_iocb(phba, cmdiocb); | |
803 | return; | |
804 | } | |
805 | ||
806 | int | |
488d1469 | 807 | lpfc_issue_els_plogi(struct lpfc_hba * phba, uint32_t did, uint8_t retry) |
dea3101e JB |
808 | { |
809 | struct serv_parm *sp; | |
810 | IOCB_t *icmd; | |
811 | struct lpfc_iocbq *elsiocb; | |
812 | struct lpfc_sli_ring *pring; | |
813 | struct lpfc_sli *psli; | |
814 | uint8_t *pcmd; | |
815 | uint16_t cmdsize; | |
816 | ||
817 | psli = &phba->sli; | |
818 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
819 | ||
820 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); | |
041976fb | 821 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, NULL, did, |
2fe165b6 | 822 | ELS_CMD_PLOGI); |
c9f8735b JW |
823 | if (!elsiocb) |
824 | return 1; | |
dea3101e JB |
825 | |
826 | icmd = &elsiocb->iocb; | |
827 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
828 | ||
829 | /* For PLOGI request, remainder of payload is service parameters */ | |
830 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; | |
831 | pcmd += sizeof (uint32_t); | |
832 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); | |
833 | sp = (struct serv_parm *) pcmd; | |
834 | ||
835 | if (sp->cmn.fcphLow < FC_PH_4_3) | |
836 | sp->cmn.fcphLow = FC_PH_4_3; | |
837 | ||
838 | if (sp->cmn.fcphHigh < FC_PH3) | |
839 | sp->cmn.fcphHigh = FC_PH3; | |
840 | ||
841 | phba->fc_stat.elsXmitPLOGI++; | |
842 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; | |
843 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 844 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
dea3101e JB |
845 | spin_unlock_irq(phba->host->host_lock); |
846 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 847 | return 1; |
dea3101e JB |
848 | } |
849 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 850 | return 0; |
dea3101e JB |
851 | } |
852 | ||
853 | static void | |
854 | lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
855 | struct lpfc_iocbq * rspiocb) | |
856 | { | |
857 | IOCB_t *irsp; | |
858 | struct lpfc_sli *psli; | |
859 | struct lpfc_nodelist *ndlp; | |
860 | ||
861 | psli = &phba->sli; | |
862 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
863 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
864 | ||
865 | irsp = &(rspiocb->iocb); | |
866 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
867 | spin_lock_irq(phba->host->host_lock); | |
868 | ndlp->nlp_flag &= ~NLP_PRLI_SND; | |
869 | spin_unlock_irq(phba->host->host_lock); | |
870 | ||
871 | /* PRLI completes to NPort <nlp_DID> */ | |
872 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
873 | "%d:0103 PRLI completes to NPort x%x " | |
c9f8735b | 874 | "Data: x%x x%x x%x x%x\n", |
dea3101e | 875 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
876 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
877 | phba->num_disc_nodes); | |
dea3101e JB |
878 | |
879 | phba->fc_prli_sent--; | |
880 | /* Check to see if link went down during discovery */ | |
881 | if (lpfc_els_chk_latt(phba)) | |
882 | goto out; | |
883 | ||
884 | if (irsp->ulpStatus) { | |
885 | /* Check for retry */ | |
886 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
887 | /* ELS command is being retried */ | |
888 | goto out; | |
889 | } | |
890 | /* PRLI failed */ | |
891 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
892 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
893 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 894 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e JB |
895 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
896 | goto out; | |
2fe165b6 | 897 | } else { |
dea3101e JB |
898 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
899 | NLP_EVT_CMPL_PRLI); | |
900 | } | |
901 | } else { | |
902 | /* Good status, call state machine */ | |
903 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); | |
904 | } | |
905 | ||
906 | out: | |
907 | lpfc_els_free_iocb(phba, cmdiocb); | |
908 | return; | |
909 | } | |
910 | ||
911 | int | |
912 | lpfc_issue_els_prli(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
913 | uint8_t retry) | |
914 | { | |
915 | PRLI *npr; | |
916 | IOCB_t *icmd; | |
917 | struct lpfc_iocbq *elsiocb; | |
918 | struct lpfc_sli_ring *pring; | |
919 | struct lpfc_sli *psli; | |
920 | uint8_t *pcmd; | |
921 | uint16_t cmdsize; | |
922 | ||
923 | psli = &phba->sli; | |
924 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
925 | ||
926 | cmdsize = (sizeof (uint32_t) + sizeof (PRLI)); | |
488d1469 JS |
927 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
928 | ndlp->nlp_DID, ELS_CMD_PRLI); | |
929 | if (!elsiocb) | |
c9f8735b | 930 | return 1; |
dea3101e JB |
931 | |
932 | icmd = &elsiocb->iocb; | |
933 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
934 | ||
935 | /* For PRLI request, remainder of payload is service parameters */ | |
936 | memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t))); | |
937 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; | |
938 | pcmd += sizeof (uint32_t); | |
939 | ||
940 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
941 | npr = (PRLI *) pcmd; | |
942 | /* | |
943 | * If our firmware version is 3.20 or later, | |
944 | * set the following bits for FC-TAPE support. | |
945 | */ | |
946 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { | |
947 | npr->ConfmComplAllowed = 1; | |
948 | npr->Retry = 1; | |
949 | npr->TaskRetryIdReq = 1; | |
950 | } | |
951 | npr->estabImagePair = 1; | |
952 | npr->readXferRdyDis = 1; | |
953 | ||
954 | /* For FCP support */ | |
955 | npr->prliType = PRLI_FCP_TYPE; | |
956 | npr->initiatorFunc = 1; | |
957 | ||
958 | phba->fc_stat.elsXmitPRLI++; | |
959 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; | |
960 | spin_lock_irq(phba->host->host_lock); | |
961 | ndlp->nlp_flag |= NLP_PRLI_SND; | |
962 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
963 | ndlp->nlp_flag &= ~NLP_PRLI_SND; | |
964 | spin_unlock_irq(phba->host->host_lock); | |
965 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 966 | return 1; |
dea3101e JB |
967 | } |
968 | spin_unlock_irq(phba->host->host_lock); | |
969 | phba->fc_prli_sent++; | |
c9f8735b | 970 | return 0; |
dea3101e JB |
971 | } |
972 | ||
973 | static void | |
974 | lpfc_more_adisc(struct lpfc_hba * phba) | |
975 | { | |
976 | int sentadisc; | |
977 | ||
978 | if (phba->num_disc_nodes) | |
979 | phba->num_disc_nodes--; | |
980 | ||
981 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ | |
982 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
983 | "%d:0210 Continue discovery with %d ADISCs to go " | |
984 | "Data: x%x x%x x%x\n", | |
985 | phba->brd_no, phba->num_disc_nodes, phba->fc_adisc_cnt, | |
986 | phba->fc_flag, phba->hba_state); | |
987 | ||
988 | /* Check to see if there are more ADISCs to be sent */ | |
989 | if (phba->fc_flag & FC_NLP_MORE) { | |
990 | lpfc_set_disctmo(phba); | |
991 | ||
992 | /* go thru NPR list and issue any remaining ELS ADISCs */ | |
993 | sentadisc = lpfc_els_disc_adisc(phba); | |
994 | } | |
995 | return; | |
996 | } | |
997 | ||
998 | static void | |
999 | lpfc_rscn_disc(struct lpfc_hba * phba) | |
1000 | { | |
1001 | /* RSCN discovery */ | |
1002 | /* go thru NPR list and issue ELS PLOGIs */ | |
1003 | if (phba->fc_npr_cnt) { | |
1004 | if (lpfc_els_disc_plogi(phba)) | |
1005 | return; | |
1006 | } | |
1007 | if (phba->fc_flag & FC_RSCN_MODE) { | |
1008 | /* Check to see if more RSCNs came in while we were | |
1009 | * processing this one. | |
1010 | */ | |
1011 | if ((phba->fc_rscn_id_cnt == 0) && | |
1012 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
1013 | spin_lock_irq(phba->host->host_lock); | |
1014 | phba->fc_flag &= ~FC_RSCN_MODE; | |
1015 | spin_unlock_irq(phba->host->host_lock); | |
1016 | } else { | |
1017 | lpfc_els_handle_rscn(phba); | |
1018 | } | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | static void | |
1023 | lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1024 | struct lpfc_iocbq * rspiocb) | |
1025 | { | |
1026 | IOCB_t *irsp; | |
1027 | struct lpfc_sli *psli; | |
1028 | struct lpfc_nodelist *ndlp; | |
1029 | LPFC_MBOXQ_t *mbox; | |
1030 | int disc, rc; | |
1031 | ||
1032 | psli = &phba->sli; | |
1033 | ||
1034 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1035 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1036 | ||
1037 | irsp = &(rspiocb->iocb); | |
1038 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
dea3101e JB |
1039 | |
1040 | /* Since ndlp can be freed in the disc state machine, note if this node | |
1041 | * is being used during discovery. | |
1042 | */ | |
1043 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); | |
c9f8735b JW |
1044 | spin_lock_irq(phba->host->host_lock); |
1045 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); | |
1046 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e JB |
1047 | |
1048 | /* ADISC completes to NPort <nlp_DID> */ | |
1049 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1050 | "%d:0104 ADISC completes to NPort x%x " | |
c9f8735b | 1051 | "Data: x%x x%x x%x x%x x%x\n", |
dea3101e | 1052 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
1053 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
1054 | phba->num_disc_nodes); | |
dea3101e JB |
1055 | |
1056 | /* Check to see if link went down during discovery */ | |
1057 | if (lpfc_els_chk_latt(phba)) { | |
1058 | spin_lock_irq(phba->host->host_lock); | |
1059 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1060 | spin_unlock_irq(phba->host->host_lock); | |
1061 | goto out; | |
1062 | } | |
1063 | ||
1064 | if (irsp->ulpStatus) { | |
1065 | /* Check for retry */ | |
1066 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1067 | /* ELS command is being retried */ | |
1068 | if (disc) { | |
1069 | spin_lock_irq(phba->host->host_lock); | |
1070 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1071 | spin_unlock_irq(phba->host->host_lock); | |
1072 | lpfc_set_disctmo(phba); | |
1073 | } | |
1074 | goto out; | |
1075 | } | |
1076 | /* ADISC failed */ | |
1077 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
c9f8735b JW |
1078 | if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
1079 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && | |
1080 | (irsp->un.ulpWord[4] != IOERR_LINK_DOWN) && | |
1081 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) { | |
dea3101e JB |
1082 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
1083 | NLP_EVT_CMPL_ADISC); | |
1084 | } | |
1085 | } else { | |
1086 | /* Good status, call state machine */ | |
1087 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, | |
1088 | NLP_EVT_CMPL_ADISC); | |
1089 | } | |
1090 | ||
1091 | if (disc && phba->num_disc_nodes) { | |
1092 | /* Check to see if there are more ADISCs to be sent */ | |
1093 | lpfc_more_adisc(phba); | |
1094 | ||
1095 | /* Check to see if we are done with ADISC authentication */ | |
1096 | if (phba->num_disc_nodes == 0) { | |
1097 | lpfc_can_disctmo(phba); | |
1098 | /* If we get here, there is nothing left to wait for */ | |
1099 | if ((phba->hba_state < LPFC_HBA_READY) && | |
1100 | (phba->hba_state != LPFC_CLEAR_LA)) { | |
1101 | /* Link up discovery */ | |
1102 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, | |
1103 | GFP_KERNEL))) { | |
1104 | phba->hba_state = LPFC_CLEAR_LA; | |
1105 | lpfc_clear_la(phba, mbox); | |
1106 | mbox->mbox_cmpl = | |
1107 | lpfc_mbx_cmpl_clear_la; | |
1108 | rc = lpfc_sli_issue_mbox | |
1109 | (phba, mbox, | |
1110 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1111 | if (rc == MBX_NOT_FINISHED) { | |
1112 | mempool_free(mbox, | |
1113 | phba->mbox_mem_pool); | |
1114 | lpfc_disc_flush_list(phba); | |
a4bc3379 | 1115 | psli->ring[(psli->extra_ring)]. |
dea3101e JB |
1116 | flag &= |
1117 | ~LPFC_STOP_IOCB_EVENT; | |
1118 | psli->ring[(psli->fcp_ring)]. | |
1119 | flag &= | |
1120 | ~LPFC_STOP_IOCB_EVENT; | |
1121 | psli->ring[(psli->next_ring)]. | |
1122 | flag &= | |
1123 | ~LPFC_STOP_IOCB_EVENT; | |
1124 | phba->hba_state = | |
1125 | LPFC_HBA_READY; | |
1126 | } | |
1127 | } | |
1128 | } else { | |
1129 | lpfc_rscn_disc(phba); | |
1130 | } | |
1131 | } | |
1132 | } | |
dea3101e JB |
1133 | out: |
1134 | lpfc_els_free_iocb(phba, cmdiocb); | |
1135 | return; | |
1136 | } | |
1137 | ||
1138 | int | |
1139 | lpfc_issue_els_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
1140 | uint8_t retry) | |
1141 | { | |
1142 | ADISC *ap; | |
1143 | IOCB_t *icmd; | |
1144 | struct lpfc_iocbq *elsiocb; | |
1145 | struct lpfc_sli_ring *pring; | |
1146 | struct lpfc_sli *psli; | |
1147 | uint8_t *pcmd; | |
1148 | uint16_t cmdsize; | |
1149 | ||
1150 | psli = &phba->sli; | |
1151 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1152 | ||
1153 | cmdsize = (sizeof (uint32_t) + sizeof (ADISC)); | |
488d1469 JS |
1154 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1155 | ndlp->nlp_DID, ELS_CMD_ADISC); | |
1156 | if (!elsiocb) | |
c9f8735b | 1157 | return 1; |
dea3101e JB |
1158 | |
1159 | icmd = &elsiocb->iocb; | |
1160 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1161 | ||
1162 | /* For ADISC request, remainder of payload is service parameters */ | |
1163 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; | |
1164 | pcmd += sizeof (uint32_t); | |
1165 | ||
1166 | /* Fill in ADISC payload */ | |
1167 | ap = (ADISC *) pcmd; | |
1168 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
1169 | memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
1170 | memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
1171 | ap->DID = be32_to_cpu(phba->fc_myDID); | |
1172 | ||
1173 | phba->fc_stat.elsXmitADISC++; | |
1174 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; | |
1175 | spin_lock_irq(phba->host->host_lock); | |
1176 | ndlp->nlp_flag |= NLP_ADISC_SND; | |
1177 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1178 | ndlp->nlp_flag &= ~NLP_ADISC_SND; | |
1179 | spin_unlock_irq(phba->host->host_lock); | |
1180 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1181 | return 1; |
dea3101e JB |
1182 | } |
1183 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 1184 | return 0; |
dea3101e JB |
1185 | } |
1186 | ||
1187 | static void | |
1188 | lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1189 | struct lpfc_iocbq * rspiocb) | |
1190 | { | |
1191 | IOCB_t *irsp; | |
1192 | struct lpfc_sli *psli; | |
1193 | struct lpfc_nodelist *ndlp; | |
1194 | ||
1195 | psli = &phba->sli; | |
1196 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1197 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1198 | ||
1199 | irsp = &(rspiocb->iocb); | |
1200 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1201 | spin_lock_irq(phba->host->host_lock); | |
1202 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
1203 | spin_unlock_irq(phba->host->host_lock); | |
1204 | ||
1205 | /* LOGO completes to NPort <nlp_DID> */ | |
1206 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1207 | "%d:0105 LOGO completes to NPort x%x " | |
c9f8735b | 1208 | "Data: x%x x%x x%x x%x\n", |
dea3101e | 1209 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b JW |
1210 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
1211 | phba->num_disc_nodes); | |
dea3101e JB |
1212 | |
1213 | /* Check to see if link went down during discovery */ | |
1214 | if (lpfc_els_chk_latt(phba)) | |
1215 | goto out; | |
1216 | ||
1217 | if (irsp->ulpStatus) { | |
1218 | /* Check for retry */ | |
1219 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1220 | /* ELS command is being retried */ | |
1221 | goto out; | |
1222 | } | |
1223 | /* LOGO failed */ | |
1224 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
1225 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1226 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 1227 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e JB |
1228 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
1229 | goto out; | |
2fe165b6 | 1230 | } else { |
dea3101e JB |
1231 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
1232 | NLP_EVT_CMPL_LOGO); | |
1233 | } | |
1234 | } else { | |
5024ab17 JW |
1235 | /* Good status, call state machine. |
1236 | * This will unregister the rpi if needed. | |
1237 | */ | |
dea3101e | 1238 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); |
dea3101e JB |
1239 | } |
1240 | ||
1241 | out: | |
1242 | lpfc_els_free_iocb(phba, cmdiocb); | |
1243 | return; | |
1244 | } | |
1245 | ||
1246 | int | |
1247 | lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
1248 | uint8_t retry) | |
1249 | { | |
1250 | IOCB_t *icmd; | |
1251 | struct lpfc_iocbq *elsiocb; | |
1252 | struct lpfc_sli_ring *pring; | |
1253 | struct lpfc_sli *psli; | |
1254 | uint8_t *pcmd; | |
1255 | uint16_t cmdsize; | |
1256 | ||
1257 | psli = &phba->sli; | |
1258 | pring = &psli->ring[LPFC_ELS_RING]; | |
1259 | ||
10d4e957 | 1260 | cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name); |
488d1469 JS |
1261 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1262 | ndlp->nlp_DID, ELS_CMD_LOGO); | |
1263 | if (!elsiocb) | |
c9f8735b | 1264 | return 1; |
dea3101e JB |
1265 | |
1266 | icmd = &elsiocb->iocb; | |
1267 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1268 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
1269 | pcmd += sizeof (uint32_t); | |
1270 | ||
1271 | /* Fill in LOGO payload */ | |
1272 | *((uint32_t *) (pcmd)) = be32_to_cpu(phba->fc_myDID); | |
1273 | pcmd += sizeof (uint32_t); | |
1274 | memcpy(pcmd, &phba->fc_portname, sizeof (struct lpfc_name)); | |
1275 | ||
1276 | phba->fc_stat.elsXmitLOGO++; | |
1277 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; | |
1278 | spin_lock_irq(phba->host->host_lock); | |
1279 | ndlp->nlp_flag |= NLP_LOGO_SND; | |
1280 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1281 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
1282 | spin_unlock_irq(phba->host->host_lock); | |
1283 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1284 | return 1; |
dea3101e JB |
1285 | } |
1286 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 1287 | return 0; |
dea3101e JB |
1288 | } |
1289 | ||
1290 | static void | |
1291 | lpfc_cmpl_els_cmd(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1292 | struct lpfc_iocbq * rspiocb) | |
1293 | { | |
1294 | IOCB_t *irsp; | |
1295 | ||
1296 | irsp = &rspiocb->iocb; | |
1297 | ||
1298 | /* ELS cmd tag <ulpIoTag> completes */ | |
1299 | lpfc_printf_log(phba, | |
1300 | KERN_INFO, | |
1301 | LOG_ELS, | |
c9f8735b | 1302 | "%d:0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", |
dea3101e | 1303 | phba->brd_no, |
c9f8735b JW |
1304 | irsp->ulpIoTag, irsp->ulpStatus, |
1305 | irsp->un.ulpWord[4], irsp->ulpTimeout); | |
dea3101e JB |
1306 | |
1307 | /* Check to see if link went down during discovery */ | |
1308 | lpfc_els_chk_latt(phba); | |
1309 | lpfc_els_free_iocb(phba, cmdiocb); | |
1310 | return; | |
1311 | } | |
1312 | ||
1313 | int | |
1314 | lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) | |
1315 | { | |
1316 | IOCB_t *icmd; | |
1317 | struct lpfc_iocbq *elsiocb; | |
1318 | struct lpfc_sli_ring *pring; | |
1319 | struct lpfc_sli *psli; | |
1320 | uint8_t *pcmd; | |
1321 | uint16_t cmdsize; | |
1322 | struct lpfc_nodelist *ndlp; | |
1323 | ||
1324 | psli = &phba->sli; | |
1325 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1326 | cmdsize = (sizeof (uint32_t) + sizeof (SCR)); | |
c9f8735b JW |
1327 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1328 | if (!ndlp) | |
1329 | return 1; | |
dea3101e JB |
1330 | |
1331 | lpfc_nlp_init(phba, ndlp, nportid); | |
1332 | ||
488d1469 JS |
1333 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1334 | ndlp->nlp_DID, ELS_CMD_SCR); | |
1335 | if (!elsiocb) { | |
329f9bc7 | 1336 | lpfc_nlp_put(ndlp); |
c9f8735b | 1337 | return 1; |
dea3101e JB |
1338 | } |
1339 | ||
1340 | icmd = &elsiocb->iocb; | |
1341 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1342 | ||
1343 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; | |
1344 | pcmd += sizeof (uint32_t); | |
1345 | ||
1346 | /* For SCR, remainder of payload is SCR parameter page */ | |
1347 | memset(pcmd, 0, sizeof (SCR)); | |
1348 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; | |
1349 | ||
1350 | phba->fc_stat.elsXmitSCR++; | |
1351 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
1352 | spin_lock_irq(phba->host->host_lock); | |
1353 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1354 | spin_unlock_irq(phba->host->host_lock); | |
329f9bc7 | 1355 | lpfc_nlp_put(ndlp); |
dea3101e | 1356 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1357 | return 1; |
dea3101e JB |
1358 | } |
1359 | spin_unlock_irq(phba->host->host_lock); | |
329f9bc7 | 1360 | lpfc_nlp_put(ndlp); |
c9f8735b | 1361 | return 0; |
dea3101e JB |
1362 | } |
1363 | ||
1364 | static int | |
1365 | lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) | |
1366 | { | |
1367 | IOCB_t *icmd; | |
1368 | struct lpfc_iocbq *elsiocb; | |
1369 | struct lpfc_sli_ring *pring; | |
1370 | struct lpfc_sli *psli; | |
1371 | FARP *fp; | |
1372 | uint8_t *pcmd; | |
1373 | uint32_t *lp; | |
1374 | uint16_t cmdsize; | |
1375 | struct lpfc_nodelist *ondlp; | |
1376 | struct lpfc_nodelist *ndlp; | |
1377 | ||
1378 | psli = &phba->sli; | |
1379 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1380 | cmdsize = (sizeof (uint32_t) + sizeof (FARP)); | |
c9f8735b JW |
1381 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1382 | if (!ndlp) | |
1383 | return 1; | |
dea3101e JB |
1384 | lpfc_nlp_init(phba, ndlp, nportid); |
1385 | ||
488d1469 JS |
1386 | elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, |
1387 | ndlp->nlp_DID, ELS_CMD_RNID); | |
1388 | if (!elsiocb) { | |
329f9bc7 | 1389 | lpfc_nlp_put(ndlp); |
c9f8735b | 1390 | return 1; |
dea3101e JB |
1391 | } |
1392 | ||
1393 | icmd = &elsiocb->iocb; | |
1394 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1395 | ||
1396 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; | |
1397 | pcmd += sizeof (uint32_t); | |
1398 | ||
1399 | /* Fill in FARPR payload */ | |
1400 | fp = (FARP *) (pcmd); | |
1401 | memset(fp, 0, sizeof (FARP)); | |
1402 | lp = (uint32_t *) pcmd; | |
1403 | *lp++ = be32_to_cpu(nportid); | |
1404 | *lp++ = be32_to_cpu(phba->fc_myDID); | |
1405 | fp->Rflags = 0; | |
1406 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); | |
1407 | ||
1408 | memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
1409 | memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
685f0bf7 | 1410 | if ((ondlp = lpfc_findnode_did(phba, nportid))) { |
dea3101e JB |
1411 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
1412 | sizeof (struct lpfc_name)); | |
1413 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, | |
1414 | sizeof (struct lpfc_name)); | |
1415 | } | |
1416 | ||
1417 | phba->fc_stat.elsXmitFARPR++; | |
1418 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
1419 | spin_lock_irq(phba->host->host_lock); | |
1420 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
1421 | spin_unlock_irq(phba->host->host_lock); | |
329f9bc7 | 1422 | lpfc_nlp_put(ndlp); |
dea3101e | 1423 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1424 | return 1; |
dea3101e JB |
1425 | } |
1426 | spin_unlock_irq(phba->host->host_lock); | |
329f9bc7 | 1427 | lpfc_nlp_put(ndlp); |
c9f8735b | 1428 | return 0; |
dea3101e JB |
1429 | } |
1430 | ||
fdcebe28 JS |
1431 | void |
1432 | lpfc_cancel_retry_delay_tmo(struct lpfc_hba *phba, struct lpfc_nodelist * nlp) | |
1433 | { | |
1434 | nlp->nlp_flag &= ~NLP_DELAY_TMO; | |
1435 | del_timer_sync(&nlp->nlp_delayfunc); | |
1436 | nlp->nlp_last_elscmd = 0; | |
1437 | ||
1438 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) | |
1439 | list_del_init(&nlp->els_retry_evt.evt_listp); | |
1440 | ||
1441 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1442 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1443 | if (phba->num_disc_nodes) { | |
1444 | /* Check to see if there are more | |
1445 | * PLOGIs to be sent | |
1446 | */ | |
1447 | lpfc_more_plogi(phba); | |
fdcebe28 | 1448 | |
10d4e957 JS |
1449 | if (phba->num_disc_nodes == 0) { |
1450 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
1451 | lpfc_can_disctmo(phba); | |
1452 | if (phba->fc_flag & FC_RSCN_MODE) { | |
1453 | /* | |
1454 | * Check to see if more RSCNs | |
1455 | * came in while we were | |
1456 | * processing this one. | |
1457 | */ | |
1458 | if((phba->fc_rscn_id_cnt==0) && | |
1459 | !(phba->fc_flag & FC_RSCN_DISCOVERY)) { | |
1460 | phba->fc_flag &= ~FC_RSCN_MODE; | |
1461 | } | |
1462 | else { | |
1463 | lpfc_els_handle_rscn(phba); | |
1464 | } | |
fdcebe28 JS |
1465 | } |
1466 | } | |
1467 | } | |
1468 | } | |
1469 | return; | |
1470 | } | |
1471 | ||
dea3101e JB |
1472 | void |
1473 | lpfc_els_retry_delay(unsigned long ptr) | |
1474 | { | |
1475 | struct lpfc_nodelist *ndlp; | |
1476 | struct lpfc_hba *phba; | |
1477 | unsigned long iflag; | |
1478 | struct lpfc_work_evt *evtp; | |
1479 | ||
1480 | ndlp = (struct lpfc_nodelist *)ptr; | |
1481 | phba = ndlp->nlp_phba; | |
1482 | evtp = &ndlp->els_retry_evt; | |
1483 | ||
1484 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1485 | if (!list_empty(&evtp->evt_listp)) { | |
1486 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1487 | return; | |
1488 | } | |
1489 | ||
1490 | evtp->evt_arg1 = ndlp; | |
1491 | evtp->evt = LPFC_EVT_ELS_RETRY; | |
1492 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
1493 | if (phba->work_wait) | |
1494 | wake_up(phba->work_wait); | |
1495 | ||
1496 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1497 | return; | |
1498 | } | |
1499 | ||
1500 | void | |
1501 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) | |
1502 | { | |
1503 | struct lpfc_hba *phba; | |
1504 | uint32_t cmd; | |
1505 | uint32_t did; | |
1506 | uint8_t retry; | |
1507 | ||
1508 | phba = ndlp->nlp_phba; | |
1509 | spin_lock_irq(phba->host->host_lock); | |
5024ab17 JW |
1510 | did = ndlp->nlp_DID; |
1511 | cmd = ndlp->nlp_last_elscmd; | |
1512 | ndlp->nlp_last_elscmd = 0; | |
dea3101e JB |
1513 | |
1514 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1515 | spin_unlock_irq(phba->host->host_lock); | |
1516 | return; | |
1517 | } | |
1518 | ||
1519 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
1520 | spin_unlock_irq(phba->host->host_lock); | |
1a169689 JS |
1521 | /* |
1522 | * If a discovery event readded nlp_delayfunc after timer | |
1523 | * firing and before processing the timer, cancel the | |
1524 | * nlp_delayfunc. | |
1525 | */ | |
1526 | del_timer_sync(&ndlp->nlp_delayfunc); | |
dea3101e JB |
1527 | retry = ndlp->nlp_retry; |
1528 | ||
1529 | switch (cmd) { | |
1530 | case ELS_CMD_FLOGI: | |
1531 | lpfc_issue_els_flogi(phba, ndlp, retry); | |
1532 | break; | |
1533 | case ELS_CMD_PLOGI: | |
488d1469 | 1534 | if(!lpfc_issue_els_plogi(phba, ndlp->nlp_DID, retry)) { |
5024ab17 | 1535 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1536 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); |
6ad42535 | 1537 | } |
dea3101e JB |
1538 | break; |
1539 | case ELS_CMD_ADISC: | |
6ad42535 | 1540 | if (!lpfc_issue_els_adisc(phba, ndlp, retry)) { |
5024ab17 | 1541 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1542 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); |
6ad42535 | 1543 | } |
dea3101e JB |
1544 | break; |
1545 | case ELS_CMD_PRLI: | |
6ad42535 | 1546 | if (!lpfc_issue_els_prli(phba, ndlp, retry)) { |
5024ab17 | 1547 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1548 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_PRLI_ISSUE); |
6ad42535 | 1549 | } |
dea3101e JB |
1550 | break; |
1551 | case ELS_CMD_LOGO: | |
6ad42535 | 1552 | if (!lpfc_issue_els_logo(phba, ndlp, retry)) { |
5024ab17 | 1553 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1554 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
6ad42535 | 1555 | } |
dea3101e JB |
1556 | break; |
1557 | } | |
1558 | return; | |
1559 | } | |
1560 | ||
1561 | static int | |
1562 | lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1563 | struct lpfc_iocbq * rspiocb) | |
1564 | { | |
1565 | IOCB_t *irsp; | |
1566 | struct lpfc_dmabuf *pcmd; | |
1567 | struct lpfc_nodelist *ndlp; | |
1568 | uint32_t *elscmd; | |
1569 | struct ls_rjt stat; | |
1570 | int retry, maxretry; | |
1571 | int delay; | |
1572 | uint32_t cmd; | |
488d1469 | 1573 | uint32_t did; |
dea3101e JB |
1574 | |
1575 | retry = 0; | |
1576 | delay = 0; | |
1577 | maxretry = lpfc_max_els_tries; | |
1578 | irsp = &rspiocb->iocb; | |
1579 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1580 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
1581 | cmd = 0; | |
488d1469 | 1582 | |
dea3101e JB |
1583 | /* Note: context2 may be 0 for internal driver abort |
1584 | * of delays ELS command. | |
1585 | */ | |
1586 | ||
1587 | if (pcmd && pcmd->virt) { | |
1588 | elscmd = (uint32_t *) (pcmd->virt); | |
1589 | cmd = *elscmd++; | |
1590 | } | |
1591 | ||
329f9bc7 | 1592 | if (ndlp) |
488d1469 JS |
1593 | did = ndlp->nlp_DID; |
1594 | else { | |
1595 | /* We should only hit this case for retrying PLOGI */ | |
1596 | did = irsp->un.elsreq64.remoteID; | |
685f0bf7 | 1597 | ndlp = lpfc_findnode_did(phba, did); |
488d1469 JS |
1598 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) |
1599 | return 1; | |
1600 | } | |
1601 | ||
dea3101e JB |
1602 | switch (irsp->ulpStatus) { |
1603 | case IOSTAT_FCP_RSP_ERROR: | |
1604 | case IOSTAT_REMOTE_STOP: | |
1605 | break; | |
1606 | ||
1607 | case IOSTAT_LOCAL_REJECT: | |
1608 | switch ((irsp->un.ulpWord[4] & 0xff)) { | |
1609 | case IOERR_LOOP_OPEN_FAILURE: | |
1610 | if (cmd == ELS_CMD_PLOGI) { | |
1611 | if (cmdiocb->retry == 0) { | |
1612 | delay = 1; | |
1613 | } | |
1614 | } | |
1615 | retry = 1; | |
1616 | break; | |
1617 | ||
1618 | case IOERR_SEQUENCE_TIMEOUT: | |
1619 | retry = 1; | |
dea3101e JB |
1620 | break; |
1621 | ||
1622 | case IOERR_NO_RESOURCES: | |
1623 | if (cmd == ELS_CMD_PLOGI) { | |
1624 | delay = 1; | |
1625 | } | |
1626 | retry = 1; | |
1627 | break; | |
1628 | ||
1629 | case IOERR_INVALID_RPI: | |
1630 | retry = 1; | |
1631 | break; | |
1632 | } | |
1633 | break; | |
1634 | ||
1635 | case IOSTAT_NPORT_RJT: | |
1636 | case IOSTAT_FABRIC_RJT: | |
1637 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
1638 | retry = 1; | |
1639 | break; | |
1640 | } | |
1641 | break; | |
1642 | ||
1643 | case IOSTAT_NPORT_BSY: | |
1644 | case IOSTAT_FABRIC_BSY: | |
1645 | retry = 1; | |
1646 | break; | |
1647 | ||
1648 | case IOSTAT_LS_RJT: | |
1649 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); | |
1650 | /* Added for Vendor specifc support | |
1651 | * Just keep retrying for these Rsn / Exp codes | |
1652 | */ | |
1653 | switch (stat.un.b.lsRjtRsnCode) { | |
1654 | case LSRJT_UNABLE_TPC: | |
1655 | if (stat.un.b.lsRjtRsnCodeExp == | |
1656 | LSEXP_CMD_IN_PROGRESS) { | |
1657 | if (cmd == ELS_CMD_PLOGI) { | |
1658 | delay = 1; | |
1659 | maxretry = 48; | |
1660 | } | |
1661 | retry = 1; | |
1662 | break; | |
1663 | } | |
1664 | if (cmd == ELS_CMD_PLOGI) { | |
1665 | delay = 1; | |
1666 | maxretry = lpfc_max_els_tries + 1; | |
1667 | retry = 1; | |
1668 | break; | |
1669 | } | |
1670 | break; | |
1671 | ||
1672 | case LSRJT_LOGICAL_BSY: | |
1673 | if (cmd == ELS_CMD_PLOGI) { | |
1674 | delay = 1; | |
1675 | maxretry = 48; | |
1676 | } | |
1677 | retry = 1; | |
1678 | break; | |
1679 | } | |
1680 | break; | |
1681 | ||
1682 | case IOSTAT_INTERMED_RSP: | |
1683 | case IOSTAT_BA_RJT: | |
1684 | break; | |
1685 | ||
1686 | default: | |
1687 | break; | |
1688 | } | |
1689 | ||
488d1469 | 1690 | if (did == FDMI_DID) |
dea3101e | 1691 | retry = 1; |
dea3101e JB |
1692 | |
1693 | if ((++cmdiocb->retry) >= maxretry) { | |
1694 | phba->fc_stat.elsRetryExceeded++; | |
1695 | retry = 0; | |
1696 | } | |
1697 | ||
1698 | if (retry) { | |
1699 | ||
1700 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ | |
1701 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1702 | "%d:0107 Retry ELS command x%x to remote " | |
1703 | "NPORT x%x Data: x%x x%x\n", | |
1704 | phba->brd_no, | |
488d1469 | 1705 | cmd, did, cmdiocb->retry, delay); |
dea3101e JB |
1706 | |
1707 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { | |
1708 | /* If discovery / RSCN timer is running, reset it */ | |
1709 | if (timer_pending(&phba->fc_disctmo) || | |
1710 | (phba->fc_flag & FC_RSCN_MODE)) { | |
1711 | lpfc_set_disctmo(phba); | |
1712 | } | |
1713 | } | |
1714 | ||
1715 | phba->fc_stat.elsXmitRetry++; | |
488d1469 | 1716 | if (ndlp && delay) { |
dea3101e JB |
1717 | phba->fc_stat.elsDelayRetry++; |
1718 | ndlp->nlp_retry = cmdiocb->retry; | |
1719 | ||
1720 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
1721 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
1722 | ||
5024ab17 | 1723 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1724 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
dea3101e JB |
1725 | ndlp->nlp_last_elscmd = cmd; |
1726 | ||
c9f8735b | 1727 | return 1; |
dea3101e JB |
1728 | } |
1729 | switch (cmd) { | |
1730 | case ELS_CMD_FLOGI: | |
1731 | lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry); | |
c9f8735b | 1732 | return 1; |
dea3101e | 1733 | case ELS_CMD_PLOGI: |
488d1469 JS |
1734 | if (ndlp) { |
1735 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
de0c5b32 JS |
1736 | lpfc_nlp_set_state(phba, ndlp, |
1737 | NLP_STE_PLOGI_ISSUE); | |
488d1469 JS |
1738 | } |
1739 | lpfc_issue_els_plogi(phba, did, cmdiocb->retry); | |
c9f8735b | 1740 | return 1; |
dea3101e | 1741 | case ELS_CMD_ADISC: |
5024ab17 | 1742 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1743 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); |
dea3101e | 1744 | lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry); |
c9f8735b | 1745 | return 1; |
dea3101e | 1746 | case ELS_CMD_PRLI: |
5024ab17 | 1747 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1748 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_PRLI_ISSUE); |
dea3101e | 1749 | lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry); |
c9f8735b | 1750 | return 1; |
dea3101e | 1751 | case ELS_CMD_LOGO: |
5024ab17 | 1752 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1753 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 1754 | lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry); |
c9f8735b | 1755 | return 1; |
dea3101e JB |
1756 | } |
1757 | } | |
1758 | ||
1759 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ | |
1760 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1761 | "%d:0108 No retry ELS command x%x to remote NPORT x%x " | |
488d1469 | 1762 | "Data: x%x\n", |
dea3101e | 1763 | phba->brd_no, |
488d1469 | 1764 | cmd, did, cmdiocb->retry); |
dea3101e | 1765 | |
c9f8735b | 1766 | return 0; |
dea3101e JB |
1767 | } |
1768 | ||
1769 | int | |
329f9bc7 | 1770 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
dea3101e JB |
1771 | { |
1772 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; | |
1773 | ||
329f9bc7 JS |
1774 | if (elsiocb->context1) { |
1775 | lpfc_nlp_put(elsiocb->context1); | |
1776 | elsiocb->context1 = NULL; | |
1777 | } | |
dea3101e JB |
1778 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
1779 | if (elsiocb->context2) { | |
1780 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; | |
1781 | /* Free the response before processing the command. */ | |
1782 | if (!list_empty(&buf_ptr1->list)) { | |
1783 | list_remove_head(&buf_ptr1->list, buf_ptr, | |
1784 | struct lpfc_dmabuf, | |
1785 | list); | |
1786 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1787 | kfree(buf_ptr); | |
1788 | } | |
1789 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); | |
1790 | kfree(buf_ptr1); | |
1791 | } | |
1792 | ||
1793 | if (elsiocb->context3) { | |
1794 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; | |
1795 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1796 | kfree(buf_ptr); | |
1797 | } | |
1798 | spin_lock_irq(phba->host->host_lock); | |
604a3e30 | 1799 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
1800 | spin_unlock_irq(phba->host->host_lock); |
1801 | return 0; | |
1802 | } | |
1803 | ||
1804 | static void | |
1805 | lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
1806 | struct lpfc_iocbq * rspiocb) | |
1807 | { | |
1808 | struct lpfc_nodelist *ndlp; | |
1809 | ||
1810 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1811 | ||
1812 | /* ACC to LOGO completes to NPort <nlp_DID> */ | |
1813 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1814 | "%d:0109 ACC to LOGO completes to NPort x%x " | |
1815 | "Data: x%x x%x x%x\n", | |
1816 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1817 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1818 | ||
dea3101e JB |
1819 | switch (ndlp->nlp_state) { |
1820 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ | |
de0c5b32 | 1821 | lpfc_drop_node(phba, ndlp); |
dea3101e JB |
1822 | break; |
1823 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ | |
1824 | lpfc_unreg_rpi(phba, ndlp); | |
1825 | break; | |
1826 | default: | |
1827 | break; | |
1828 | } | |
1829 | lpfc_els_free_iocb(phba, cmdiocb); | |
1830 | return; | |
1831 | } | |
1832 | ||
1833 | static void | |
329f9bc7 JS |
1834 | lpfc_cmpl_els_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1835 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1836 | { |
33ccf8d1 | 1837 | IOCB_t *irsp; |
dea3101e JB |
1838 | struct lpfc_nodelist *ndlp; |
1839 | LPFC_MBOXQ_t *mbox = NULL; | |
14691150 | 1840 | struct lpfc_dmabuf *mp; |
dea3101e | 1841 | |
33ccf8d1 JS |
1842 | irsp = &rspiocb->iocb; |
1843 | ||
dea3101e JB |
1844 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1845 | if (cmdiocb->context_un.mbox) | |
1846 | mbox = cmdiocb->context_un.mbox; | |
1847 | ||
1848 | ||
1849 | /* Check to see if link went down during discovery */ | |
329f9bc7 | 1850 | if (lpfc_els_chk_latt(phba) || !ndlp) { |
dea3101e | 1851 | if (mbox) { |
14691150 JS |
1852 | mp = (struct lpfc_dmabuf *) mbox->context1; |
1853 | if (mp) { | |
1854 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1855 | kfree(mp); | |
1856 | } | |
329f9bc7 | 1857 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e JB |
1858 | } |
1859 | goto out; | |
1860 | } | |
1861 | ||
1862 | /* ELS response tag <ulpIoTag> completes */ | |
1863 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1864 | "%d:0110 ELS response tag x%x completes " | |
c9f8735b | 1865 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", |
dea3101e JB |
1866 | phba->brd_no, |
1867 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, | |
c9f8735b JW |
1868 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, |
1869 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
1870 | ndlp->nlp_rpi); | |
dea3101e JB |
1871 | |
1872 | if (mbox) { | |
1873 | if ((rspiocb->iocb.ulpStatus == 0) | |
1874 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { | |
dea3101e JB |
1875 | lpfc_unreg_rpi(phba, ndlp); |
1876 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 | 1877 | mbox->context2 = lpfc_nlp_get(ndlp); |
5024ab17 | 1878 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 1879 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_REG_LOGIN_ISSUE); |
dea3101e JB |
1880 | if (lpfc_sli_issue_mbox(phba, mbox, |
1881 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
1882 | != MBX_NOT_FINISHED) { | |
1883 | goto out; | |
1884 | } | |
329f9bc7 | 1885 | lpfc_nlp_put(ndlp); |
dea3101e JB |
1886 | /* NOTE: we should have messages for unsuccessful |
1887 | reglogin */ | |
dea3101e | 1888 | } else { |
33ccf8d1 JS |
1889 | /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ |
1890 | if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1891 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
1892 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || | |
1893 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) { | |
1894 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
de0c5b32 | 1895 | lpfc_drop_node(phba, ndlp); |
33ccf8d1 JS |
1896 | ndlp = NULL; |
1897 | } | |
dea3101e JB |
1898 | } |
1899 | } | |
14691150 JS |
1900 | mp = (struct lpfc_dmabuf *) mbox->context1; |
1901 | if (mp) { | |
1902 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1903 | kfree(mp); | |
1904 | } | |
1905 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
1906 | } |
1907 | out: | |
1908 | if (ndlp) { | |
1909 | spin_lock_irq(phba->host->host_lock); | |
1910 | ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; | |
1911 | spin_unlock_irq(phba->host->host_lock); | |
1912 | } | |
1913 | lpfc_els_free_iocb(phba, cmdiocb); | |
1914 | return; | |
1915 | } | |
1916 | ||
1917 | int | |
1918 | lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, | |
1919 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp, | |
1920 | LPFC_MBOXQ_t * mbox, uint8_t newnode) | |
1921 | { | |
1922 | IOCB_t *icmd; | |
1923 | IOCB_t *oldcmd; | |
1924 | struct lpfc_iocbq *elsiocb; | |
1925 | struct lpfc_sli_ring *pring; | |
1926 | struct lpfc_sli *psli; | |
1927 | uint8_t *pcmd; | |
1928 | uint16_t cmdsize; | |
1929 | int rc; | |
82d9a2a2 | 1930 | ELS_PKT *els_pkt_ptr; |
dea3101e JB |
1931 | |
1932 | psli = &phba->sli; | |
1933 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1934 | oldcmd = &oldiocb->iocb; | |
1935 | ||
1936 | switch (flag) { | |
1937 | case ELS_CMD_ACC: | |
1938 | cmdsize = sizeof (uint32_t); | |
488d1469 JS |
1939 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
1940 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
1941 | if (!elsiocb) { | |
5024ab17 | 1942 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
c9f8735b | 1943 | return 1; |
dea3101e JB |
1944 | } |
1945 | icmd = &elsiocb->iocb; | |
1946 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1947 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1948 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
1949 | pcmd += sizeof (uint32_t); | |
1950 | break; | |
1951 | case ELS_CMD_PLOGI: | |
1952 | cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t)); | |
488d1469 JS |
1953 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
1954 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
1955 | if (!elsiocb) | |
c9f8735b | 1956 | return 1; |
488d1469 | 1957 | |
dea3101e JB |
1958 | icmd = &elsiocb->iocb; |
1959 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1960 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1961 | ||
1962 | if (mbox) | |
1963 | elsiocb->context_un.mbox = mbox; | |
1964 | ||
1965 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
1966 | pcmd += sizeof (uint32_t); | |
1967 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); | |
1968 | break; | |
82d9a2a2 JS |
1969 | case ELS_CMD_PRLO: |
1970 | cmdsize = sizeof (uint32_t) + sizeof (PRLO); | |
1971 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, | |
1972 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); | |
1973 | if (!elsiocb) | |
1974 | return 1; | |
1975 | ||
1976 | icmd = &elsiocb->iocb; | |
1977 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1978 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1979 | ||
1980 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, | |
1981 | sizeof (uint32_t) + sizeof (PRLO)); | |
1982 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; | |
1983 | els_pkt_ptr = (ELS_PKT *) pcmd; | |
1984 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; | |
1985 | break; | |
dea3101e | 1986 | default: |
c9f8735b | 1987 | return 1; |
dea3101e JB |
1988 | } |
1989 | ||
329f9bc7 JS |
1990 | if (newnode) { |
1991 | lpfc_nlp_put(ndlp); | |
dea3101e | 1992 | elsiocb->context1 = NULL; |
329f9bc7 | 1993 | } |
dea3101e JB |
1994 | |
1995 | /* Xmit ELS ACC response tag <ulpIoTag> */ | |
1996 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1dcb58e5 JS |
1997 | "%d:0128 Xmit ELS ACC response tag x%x, XRI: x%x, " |
1998 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", | |
1999 | phba->brd_no, elsiocb->iotag, | |
dea3101e JB |
2000 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2001 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2002 | ||
2003 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { | |
c9f8735b JW |
2004 | spin_lock_irq(phba->host->host_lock); |
2005 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; | |
2006 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e JB |
2007 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
2008 | } else { | |
2009 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2010 | } | |
2011 | ||
2012 | phba->fc_stat.elsXmitACC++; | |
2013 | spin_lock_irq(phba->host->host_lock); | |
2014 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2015 | spin_unlock_irq(phba->host->host_lock); | |
2016 | if (rc == IOCB_ERROR) { | |
2017 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2018 | return 1; |
dea3101e | 2019 | } |
c9f8735b | 2020 | return 0; |
dea3101e JB |
2021 | } |
2022 | ||
2023 | int | |
2024 | lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError, | |
2025 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2026 | { | |
2027 | IOCB_t *icmd; | |
2028 | IOCB_t *oldcmd; | |
2029 | struct lpfc_iocbq *elsiocb; | |
2030 | struct lpfc_sli_ring *pring; | |
2031 | struct lpfc_sli *psli; | |
2032 | uint8_t *pcmd; | |
2033 | uint16_t cmdsize; | |
2034 | int rc; | |
2035 | ||
2036 | psli = &phba->sli; | |
2037 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2038 | ||
2039 | cmdsize = 2 * sizeof (uint32_t); | |
488d1469 JS |
2040 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2041 | ndlp, ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
2042 | if (!elsiocb) | |
c9f8735b | 2043 | return 1; |
dea3101e JB |
2044 | |
2045 | icmd = &elsiocb->iocb; | |
2046 | oldcmd = &oldiocb->iocb; | |
2047 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2048 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2049 | ||
2050 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
2051 | pcmd += sizeof (uint32_t); | |
2052 | *((uint32_t *) (pcmd)) = rejectError; | |
2053 | ||
2054 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ | |
2055 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2056 | "%d:0129 Xmit ELS RJT x%x response tag x%x xri x%x, " |
2057 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2058 | phba->brd_no, rejectError, elsiocb->iotag, | |
dea3101e JB |
2059 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2060 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2061 | ||
2062 | phba->fc_stat.elsXmitLSRJT++; | |
2063 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2064 | spin_lock_irq(phba->host->host_lock); | |
2065 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2066 | spin_unlock_irq(phba->host->host_lock); | |
2067 | if (rc == IOCB_ERROR) { | |
2068 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2069 | return 1; |
dea3101e | 2070 | } |
c9f8735b | 2071 | return 0; |
dea3101e JB |
2072 | } |
2073 | ||
2074 | int | |
2075 | lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba, | |
2076 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2077 | { | |
2078 | ADISC *ap; | |
2079 | IOCB_t *icmd; | |
2080 | IOCB_t *oldcmd; | |
2081 | struct lpfc_iocbq *elsiocb; | |
2082 | struct lpfc_sli_ring *pring; | |
2083 | struct lpfc_sli *psli; | |
2084 | uint8_t *pcmd; | |
2085 | uint16_t cmdsize; | |
2086 | int rc; | |
2087 | ||
2088 | psli = &phba->sli; | |
2089 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2090 | ||
2091 | cmdsize = sizeof (uint32_t) + sizeof (ADISC); | |
488d1469 JS |
2092 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2093 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
2094 | if (!elsiocb) | |
c9f8735b | 2095 | return 1; |
dea3101e | 2096 | |
5b8bd0c9 JS |
2097 | icmd = &elsiocb->iocb; |
2098 | oldcmd = &oldiocb->iocb; | |
2099 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2100 | ||
dea3101e JB |
2101 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
2102 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2103 | "%d:0130 Xmit ADISC ACC response iotag x%x xri: " |
2104 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", | |
2105 | phba->brd_no, elsiocb->iotag, | |
dea3101e JB |
2106 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2107 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2108 | ||
dea3101e JB |
2109 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2110 | ||
2111 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2112 | pcmd += sizeof (uint32_t); | |
2113 | ||
2114 | ap = (ADISC *) (pcmd); | |
2115 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
2116 | memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
2117 | memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
2118 | ap->DID = be32_to_cpu(phba->fc_myDID); | |
2119 | ||
2120 | phba->fc_stat.elsXmitACC++; | |
2121 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2122 | spin_lock_irq(phba->host->host_lock); | |
2123 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2124 | spin_unlock_irq(phba->host->host_lock); | |
2125 | if (rc == IOCB_ERROR) { | |
2126 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2127 | return 1; |
dea3101e | 2128 | } |
c9f8735b | 2129 | return 0; |
dea3101e JB |
2130 | } |
2131 | ||
2132 | int | |
5b8bd0c9 JS |
2133 | lpfc_els_rsp_prli_acc(struct lpfc_hba *phba, struct lpfc_iocbq *oldiocb, |
2134 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
2135 | { |
2136 | PRLI *npr; | |
2137 | lpfc_vpd_t *vpd; | |
2138 | IOCB_t *icmd; | |
2139 | IOCB_t *oldcmd; | |
2140 | struct lpfc_iocbq *elsiocb; | |
2141 | struct lpfc_sli_ring *pring; | |
2142 | struct lpfc_sli *psli; | |
2143 | uint8_t *pcmd; | |
2144 | uint16_t cmdsize; | |
2145 | int rc; | |
2146 | ||
2147 | psli = &phba->sli; | |
2148 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2149 | ||
2150 | cmdsize = sizeof (uint32_t) + sizeof (PRLI); | |
c9f8735b | 2151 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, ndlp, |
488d1469 | 2152 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
c9f8735b JW |
2153 | if (!elsiocb) |
2154 | return 1; | |
dea3101e | 2155 | |
5b8bd0c9 JS |
2156 | icmd = &elsiocb->iocb; |
2157 | oldcmd = &oldiocb->iocb; | |
2158 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2159 | ||
dea3101e JB |
2160 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
2161 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2162 | "%d:0131 Xmit PRLI ACC response tag x%x xri x%x, " |
2163 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2164 | phba->brd_no, elsiocb->iotag, | |
dea3101e JB |
2165 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2166 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2167 | ||
dea3101e JB |
2168 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2169 | ||
2170 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); | |
2171 | pcmd += sizeof (uint32_t); | |
2172 | ||
2173 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
2174 | memset(pcmd, 0, sizeof (PRLI)); | |
2175 | ||
2176 | npr = (PRLI *) pcmd; | |
2177 | vpd = &phba->vpd; | |
2178 | /* | |
2179 | * If our firmware version is 3.20 or later, | |
2180 | * set the following bits for FC-TAPE support. | |
2181 | */ | |
2182 | if (vpd->rev.feaLevelHigh >= 0x02) { | |
2183 | npr->ConfmComplAllowed = 1; | |
2184 | npr->Retry = 1; | |
2185 | npr->TaskRetryIdReq = 1; | |
2186 | } | |
2187 | ||
2188 | npr->acceptRspCode = PRLI_REQ_EXECUTED; | |
2189 | npr->estabImagePair = 1; | |
2190 | npr->readXferRdyDis = 1; | |
2191 | npr->ConfmComplAllowed = 1; | |
2192 | ||
2193 | npr->prliType = PRLI_FCP_TYPE; | |
2194 | npr->initiatorFunc = 1; | |
2195 | ||
2196 | phba->fc_stat.elsXmitACC++; | |
2197 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2198 | ||
2199 | spin_lock_irq(phba->host->host_lock); | |
2200 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2201 | spin_unlock_irq(phba->host->host_lock); | |
2202 | if (rc == IOCB_ERROR) { | |
2203 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2204 | return 1; |
dea3101e | 2205 | } |
c9f8735b | 2206 | return 0; |
dea3101e JB |
2207 | } |
2208 | ||
2209 | static int | |
329f9bc7 JS |
2210 | lpfc_els_rsp_rnid_acc(struct lpfc_hba *phba, uint8_t format, |
2211 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
dea3101e JB |
2212 | { |
2213 | RNID *rn; | |
2214 | IOCB_t *icmd; | |
2215 | IOCB_t *oldcmd; | |
2216 | struct lpfc_iocbq *elsiocb; | |
2217 | struct lpfc_sli_ring *pring; | |
2218 | struct lpfc_sli *psli; | |
2219 | uint8_t *pcmd; | |
2220 | uint16_t cmdsize; | |
2221 | int rc; | |
2222 | ||
2223 | psli = &phba->sli; | |
2224 | pring = &psli->ring[LPFC_ELS_RING]; | |
2225 | ||
2226 | cmdsize = sizeof (uint32_t) + sizeof (uint32_t) | |
2227 | + (2 * sizeof (struct lpfc_name)); | |
2228 | if (format) | |
2229 | cmdsize += sizeof (RNID_TOP_DISC); | |
2230 | ||
488d1469 JS |
2231 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2232 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
2233 | if (!elsiocb) | |
c9f8735b | 2234 | return 1; |
dea3101e | 2235 | |
5b8bd0c9 JS |
2236 | icmd = &elsiocb->iocb; |
2237 | oldcmd = &oldiocb->iocb; | |
2238 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2239 | ||
dea3101e JB |
2240 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
2241 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
2242 | "%d:0132 Xmit RNID ACC response tag x%x " | |
5b8bd0c9 JS |
2243 | "xri x%x\n", |
2244 | phba->brd_no, elsiocb->iotag, | |
dea3101e JB |
2245 | elsiocb->iocb.ulpContext); |
2246 | ||
dea3101e JB |
2247 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2248 | ||
2249 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2250 | pcmd += sizeof (uint32_t); | |
2251 | ||
2252 | memset(pcmd, 0, sizeof (RNID)); | |
2253 | rn = (RNID *) (pcmd); | |
2254 | rn->Format = format; | |
2255 | rn->CommonLen = (2 * sizeof (struct lpfc_name)); | |
2256 | memcpy(&rn->portName, &phba->fc_portname, sizeof (struct lpfc_name)); | |
2257 | memcpy(&rn->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); | |
2258 | switch (format) { | |
2259 | case 0: | |
2260 | rn->SpecificLen = 0; | |
2261 | break; | |
2262 | case RNID_TOPOLOGY_DISC: | |
2263 | rn->SpecificLen = sizeof (RNID_TOP_DISC); | |
2264 | memcpy(&rn->un.topologyDisc.portName, | |
2265 | &phba->fc_portname, sizeof (struct lpfc_name)); | |
2266 | rn->un.topologyDisc.unitType = RNID_HBA; | |
2267 | rn->un.topologyDisc.physPort = 0; | |
2268 | rn->un.topologyDisc.attachedNodes = 0; | |
2269 | break; | |
2270 | default: | |
2271 | rn->CommonLen = 0; | |
2272 | rn->SpecificLen = 0; | |
2273 | break; | |
2274 | } | |
2275 | ||
2276 | phba->fc_stat.elsXmitACC++; | |
2277 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
329f9bc7 | 2278 | lpfc_nlp_put(ndlp); |
dea3101e JB |
2279 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
2280 | * it could be freed */ | |
2281 | ||
2282 | spin_lock_irq(phba->host->host_lock); | |
2283 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); | |
2284 | spin_unlock_irq(phba->host->host_lock); | |
2285 | if (rc == IOCB_ERROR) { | |
2286 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2287 | return 1; |
dea3101e | 2288 | } |
c9f8735b | 2289 | return 0; |
dea3101e JB |
2290 | } |
2291 | ||
2292 | int | |
685f0bf7 | 2293 | lpfc_els_disc_adisc(struct lpfc_hba *phba) |
dea3101e JB |
2294 | { |
2295 | int sentadisc; | |
2296 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2297 | ||
2298 | sentadisc = 0; | |
685f0bf7 JS |
2299 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
2300 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { | |
2301 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && | |
2302 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2303 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { | |
2304 | spin_lock_irq(phba->host->host_lock); | |
2305 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2306 | spin_unlock_irq(phba->host->host_lock); | |
2307 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2308 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); | |
2309 | lpfc_issue_els_adisc(phba, ndlp, 0); | |
2310 | sentadisc++; | |
2311 | phba->num_disc_nodes++; | |
2312 | if (phba->num_disc_nodes >= | |
2313 | phba->cfg_discovery_threads) { | |
2314 | spin_lock_irq(phba->host->host_lock); | |
2315 | phba->fc_flag |= FC_NLP_MORE; | |
2316 | spin_unlock_irq(phba->host->host_lock); | |
2317 | break; | |
dea3101e JB |
2318 | } |
2319 | } | |
2320 | } | |
2321 | if (sentadisc == 0) { | |
2322 | spin_lock_irq(phba->host->host_lock); | |
2323 | phba->fc_flag &= ~FC_NLP_MORE; | |
2324 | spin_unlock_irq(phba->host->host_lock); | |
2325 | } | |
2fe165b6 | 2326 | return sentadisc; |
dea3101e JB |
2327 | } |
2328 | ||
2329 | int | |
2330 | lpfc_els_disc_plogi(struct lpfc_hba * phba) | |
2331 | { | |
2332 | int sentplogi; | |
2333 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2334 | ||
2335 | sentplogi = 0; | |
2336 | /* go thru NPR list and issue any remaining ELS PLOGIs */ | |
685f0bf7 JS |
2337 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { |
2338 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && | |
2339 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2340 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && | |
2341 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { | |
2342 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2343 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); | |
2344 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); | |
2345 | sentplogi++; | |
2346 | phba->num_disc_nodes++; | |
2347 | if (phba->num_disc_nodes >= | |
2348 | phba->cfg_discovery_threads) { | |
2349 | spin_lock_irq(phba->host->host_lock); | |
2350 | phba->fc_flag |= FC_NLP_MORE; | |
2351 | spin_unlock_irq(phba->host->host_lock); | |
2352 | break; | |
dea3101e JB |
2353 | } |
2354 | } | |
2355 | } | |
2356 | if (sentplogi == 0) { | |
2357 | spin_lock_irq(phba->host->host_lock); | |
2358 | phba->fc_flag &= ~FC_NLP_MORE; | |
2359 | spin_unlock_irq(phba->host->host_lock); | |
2360 | } | |
2fe165b6 | 2361 | return sentplogi; |
dea3101e JB |
2362 | } |
2363 | ||
2364 | int | |
2365 | lpfc_els_flush_rscn(struct lpfc_hba * phba) | |
2366 | { | |
2367 | struct lpfc_dmabuf *mp; | |
2368 | int i; | |
2369 | ||
2370 | for (i = 0; i < phba->fc_rscn_id_cnt; i++) { | |
2371 | mp = phba->fc_rscn_id_list[i]; | |
2372 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2373 | kfree(mp); | |
2374 | phba->fc_rscn_id_list[i] = NULL; | |
2375 | } | |
2376 | phba->fc_rscn_id_cnt = 0; | |
2377 | spin_lock_irq(phba->host->host_lock); | |
2378 | phba->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); | |
2379 | spin_unlock_irq(phba->host->host_lock); | |
2380 | lpfc_can_disctmo(phba); | |
c9f8735b | 2381 | return 0; |
dea3101e JB |
2382 | } |
2383 | ||
2384 | int | |
2385 | lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did) | |
2386 | { | |
2387 | D_ID ns_did; | |
2388 | D_ID rscn_did; | |
2389 | struct lpfc_dmabuf *mp; | |
2390 | uint32_t *lp; | |
2391 | uint32_t payload_len, cmd, i, match; | |
2392 | ||
2393 | ns_did.un.word = did; | |
2394 | match = 0; | |
2395 | ||
2396 | /* Never match fabric nodes for RSCNs */ | |
2397 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
2398 | return(0); | |
2399 | ||
2400 | /* If we are doing a FULL RSCN rediscovery, match everything */ | |
2401 | if (phba->fc_flag & FC_RSCN_DISCOVERY) { | |
c9f8735b | 2402 | return did; |
dea3101e JB |
2403 | } |
2404 | ||
2405 | for (i = 0; i < phba->fc_rscn_id_cnt; i++) { | |
2406 | mp = phba->fc_rscn_id_list[i]; | |
2407 | lp = (uint32_t *) mp->virt; | |
2408 | cmd = *lp++; | |
2409 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ | |
2410 | payload_len -= sizeof (uint32_t); /* take off word 0 */ | |
2411 | while (payload_len) { | |
2412 | rscn_did.un.word = *lp++; | |
2413 | rscn_did.un.word = be32_to_cpu(rscn_did.un.word); | |
2414 | payload_len -= sizeof (uint32_t); | |
2415 | switch (rscn_did.un.b.resv) { | |
2416 | case 0: /* Single N_Port ID effected */ | |
2417 | if (ns_did.un.word == rscn_did.un.word) { | |
2418 | match = did; | |
2419 | } | |
2420 | break; | |
2421 | case 1: /* Whole N_Port Area effected */ | |
2422 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) | |
2423 | && (ns_did.un.b.area == rscn_did.un.b.area)) | |
2424 | { | |
2425 | match = did; | |
2426 | } | |
2427 | break; | |
2428 | case 2: /* Whole N_Port Domain effected */ | |
2429 | if (ns_did.un.b.domain == rscn_did.un.b.domain) | |
2430 | { | |
2431 | match = did; | |
2432 | } | |
2433 | break; | |
2434 | case 3: /* Whole Fabric effected */ | |
2435 | match = did; | |
2436 | break; | |
2437 | default: | |
2438 | /* Unknown Identifier in RSCN list */ | |
2439 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2440 | "%d:0217 Unknown Identifier in " | |
2441 | "RSCN payload Data: x%x\n", | |
2442 | phba->brd_no, rscn_did.un.word); | |
2443 | break; | |
2444 | } | |
2445 | if (match) { | |
2446 | break; | |
2447 | } | |
2448 | } | |
2449 | } | |
c9f8735b | 2450 | return match; |
dea3101e JB |
2451 | } |
2452 | ||
2453 | static int | |
329f9bc7 | 2454 | lpfc_rscn_recovery_check(struct lpfc_hba *phba) |
dea3101e | 2455 | { |
685f0bf7 | 2456 | struct lpfc_nodelist *ndlp = NULL; |
dea3101e JB |
2457 | |
2458 | /* Look at all nodes effected by pending RSCNs and move | |
685f0bf7 | 2459 | * them to NPR state. |
dea3101e | 2460 | */ |
dea3101e | 2461 | |
685f0bf7 JS |
2462 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { |
2463 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || | |
2464 | lpfc_rscn_payload_check(phba, ndlp->nlp_DID) == 0) | |
2465 | continue; | |
dea3101e | 2466 | |
685f0bf7 | 2467 | lpfc_disc_state_machine(phba, ndlp, NULL, |
dea3101e | 2468 | NLP_EVT_DEVICE_RECOVERY); |
5024ab17 | 2469 | |
685f0bf7 JS |
2470 | /* |
2471 | * Make sure NLP_DELAY_TMO is NOT running after a device | |
2472 | * recovery event. | |
2473 | */ | |
2474 | if (ndlp->nlp_flag & NLP_DELAY_TMO) | |
2475 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
dea3101e | 2476 | } |
685f0bf7 | 2477 | |
c9f8735b | 2478 | return 0; |
dea3101e JB |
2479 | } |
2480 | ||
2481 | static int | |
2482 | lpfc_els_rcv_rscn(struct lpfc_hba * phba, | |
2483 | struct lpfc_iocbq * cmdiocb, | |
2484 | struct lpfc_nodelist * ndlp, uint8_t newnode) | |
2485 | { | |
2486 | struct lpfc_dmabuf *pcmd; | |
2487 | uint32_t *lp; | |
2488 | IOCB_t *icmd; | |
2489 | uint32_t payload_len, cmd; | |
d2873e4c | 2490 | int i; |
dea3101e JB |
2491 | |
2492 | icmd = &cmdiocb->iocb; | |
2493 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2494 | lp = (uint32_t *) pcmd->virt; | |
2495 | ||
2496 | cmd = *lp++; | |
2497 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ | |
2498 | payload_len -= sizeof (uint32_t); /* take off word 0 */ | |
2499 | cmd &= ELS_CMD_MASK; | |
2500 | ||
2501 | /* RSCN received */ | |
2502 | lpfc_printf_log(phba, | |
2503 | KERN_INFO, | |
2504 | LOG_DISCOVERY, | |
2505 | "%d:0214 RSCN received Data: x%x x%x x%x x%x\n", | |
2506 | phba->brd_no, | |
2507 | phba->fc_flag, payload_len, *lp, phba->fc_rscn_id_cnt); | |
2508 | ||
d2873e4c JS |
2509 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
2510 | fc_host_post_event(phba->host, fc_get_event_number(), | |
2511 | FCH_EVT_RSCN, lp[i]); | |
2512 | ||
dea3101e JB |
2513 | /* If we are about to begin discovery, just ACC the RSCN. |
2514 | * Discovery processing will satisfy it. | |
2515 | */ | |
071fbd3d | 2516 | if (phba->hba_state <= LPFC_NS_QRY) { |
dea3101e JB |
2517 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
2518 | newnode); | |
c9f8735b | 2519 | return 0; |
dea3101e JB |
2520 | } |
2521 | ||
2522 | /* If we are already processing an RSCN, save the received | |
2523 | * RSCN payload buffer, cmdiocb->context2 to process later. | |
2524 | */ | |
2525 | if (phba->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { | |
2526 | if ((phba->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) && | |
2527 | !(phba->fc_flag & FC_RSCN_DISCOVERY)) { | |
2528 | spin_lock_irq(phba->host->host_lock); | |
2529 | phba->fc_flag |= FC_RSCN_MODE; | |
2530 | spin_unlock_irq(phba->host->host_lock); | |
2531 | phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; | |
2532 | ||
2533 | /* If we zero, cmdiocb->context2, the calling | |
2534 | * routine will not try to free it. | |
2535 | */ | |
2536 | cmdiocb->context2 = NULL; | |
2537 | ||
2538 | /* Deferred RSCN */ | |
2539 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2540 | "%d:0235 Deferred RSCN " | |
2541 | "Data: x%x x%x x%x\n", | |
2542 | phba->brd_no, phba->fc_rscn_id_cnt, | |
2543 | phba->fc_flag, phba->hba_state); | |
2544 | } else { | |
2545 | spin_lock_irq(phba->host->host_lock); | |
2546 | phba->fc_flag |= FC_RSCN_DISCOVERY; | |
2547 | spin_unlock_irq(phba->host->host_lock); | |
2548 | /* ReDiscovery RSCN */ | |
2549 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2550 | "%d:0234 ReDiscovery RSCN " | |
2551 | "Data: x%x x%x x%x\n", | |
2552 | phba->brd_no, phba->fc_rscn_id_cnt, | |
2553 | phba->fc_flag, phba->hba_state); | |
2554 | } | |
2555 | /* Send back ACC */ | |
2556 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, | |
2557 | newnode); | |
2558 | ||
2559 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2560 | lpfc_rscn_recovery_check(phba); | |
c9f8735b | 2561 | return 0; |
dea3101e JB |
2562 | } |
2563 | ||
2564 | phba->fc_flag |= FC_RSCN_MODE; | |
2565 | phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; | |
2566 | /* | |
2567 | * If we zero, cmdiocb->context2, the calling routine will | |
2568 | * not try to free it. | |
2569 | */ | |
2570 | cmdiocb->context2 = NULL; | |
2571 | ||
2572 | lpfc_set_disctmo(phba); | |
2573 | ||
2574 | /* Send back ACC */ | |
2575 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); | |
2576 | ||
2577 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2578 | lpfc_rscn_recovery_check(phba); | |
2579 | ||
c9f8735b | 2580 | return lpfc_els_handle_rscn(phba); |
dea3101e JB |
2581 | } |
2582 | ||
2583 | int | |
2584 | lpfc_els_handle_rscn(struct lpfc_hba * phba) | |
2585 | { | |
2586 | struct lpfc_nodelist *ndlp; | |
2587 | ||
2588 | /* Start timer for RSCN processing */ | |
2589 | lpfc_set_disctmo(phba); | |
2590 | ||
2591 | /* RSCN processed */ | |
2592 | lpfc_printf_log(phba, | |
2593 | KERN_INFO, | |
2594 | LOG_DISCOVERY, | |
2595 | "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n", | |
2596 | phba->brd_no, | |
2597 | phba->fc_flag, 0, phba->fc_rscn_id_cnt, | |
2598 | phba->hba_state); | |
2599 | ||
2600 | /* To process RSCN, first compare RSCN data with NameServer */ | |
2601 | phba->fc_ns_retry = 0; | |
685f0bf7 JS |
2602 | ndlp = lpfc_findnode_did(phba, NameServer_DID); |
2603 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { | |
dea3101e JB |
2604 | /* Good ndlp, issue CT Request to NameServer */ |
2605 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { | |
2606 | /* Wait for NameServer query cmpl before we can | |
2607 | continue */ | |
c9f8735b | 2608 | return 1; |
dea3101e JB |
2609 | } |
2610 | } else { | |
2611 | /* If login to NameServer does not exist, issue one */ | |
2612 | /* Good status, issue PLOGI to NameServer */ | |
685f0bf7 | 2613 | ndlp = lpfc_findnode_did(phba, NameServer_DID); |
c9f8735b | 2614 | if (ndlp) { |
dea3101e JB |
2615 | /* Wait for NameServer login cmpl before we can |
2616 | continue */ | |
c9f8735b | 2617 | return 1; |
dea3101e | 2618 | } |
c9f8735b JW |
2619 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
2620 | if (!ndlp) { | |
dea3101e | 2621 | lpfc_els_flush_rscn(phba); |
c9f8735b | 2622 | return 0; |
dea3101e JB |
2623 | } else { |
2624 | lpfc_nlp_init(phba, ndlp, NameServer_DID); | |
2625 | ndlp->nlp_type |= NLP_FABRIC; | |
5024ab17 | 2626 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 | 2627 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); |
488d1469 | 2628 | lpfc_issue_els_plogi(phba, NameServer_DID, 0); |
dea3101e JB |
2629 | /* Wait for NameServer login cmpl before we can |
2630 | continue */ | |
c9f8735b | 2631 | return 1; |
dea3101e JB |
2632 | } |
2633 | } | |
2634 | ||
2635 | lpfc_els_flush_rscn(phba); | |
c9f8735b | 2636 | return 0; |
dea3101e JB |
2637 | } |
2638 | ||
2639 | static int | |
2640 | lpfc_els_rcv_flogi(struct lpfc_hba * phba, | |
2641 | struct lpfc_iocbq * cmdiocb, | |
2642 | struct lpfc_nodelist * ndlp, uint8_t newnode) | |
2643 | { | |
2644 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2645 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
2646 | IOCB_t *icmd = &cmdiocb->iocb; | |
2647 | struct serv_parm *sp; | |
2648 | LPFC_MBOXQ_t *mbox; | |
2649 | struct ls_rjt stat; | |
2650 | uint32_t cmd, did; | |
2651 | int rc; | |
2652 | ||
2653 | cmd = *lp++; | |
2654 | sp = (struct serv_parm *) lp; | |
2655 | ||
2656 | /* FLOGI received */ | |
2657 | ||
2658 | lpfc_set_disctmo(phba); | |
2659 | ||
2660 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2661 | /* We should never receive a FLOGI in loop mode, ignore it */ | |
2662 | did = icmd->un.elsreq64.remoteID; | |
2663 | ||
2664 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in | |
2665 | Loop Mode */ | |
2666 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
2667 | "%d:0113 An FLOGI ELS command x%x was received " | |
2668 | "from DID x%x in Loop Mode\n", | |
2669 | phba->brd_no, cmd, did); | |
c9f8735b | 2670 | return 1; |
dea3101e JB |
2671 | } |
2672 | ||
2673 | did = Fabric_DID; | |
2674 | ||
2675 | if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3))) { | |
2676 | /* For a FLOGI we accept, then if our portname is greater | |
2677 | * then the remote portname we initiate Nport login. | |
2678 | */ | |
2679 | ||
2680 | rc = memcmp(&phba->fc_portname, &sp->portName, | |
2681 | sizeof (struct lpfc_name)); | |
2682 | ||
2683 | if (!rc) { | |
2684 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, | |
2685 | GFP_KERNEL)) == 0) { | |
c9f8735b | 2686 | return 1; |
dea3101e JB |
2687 | } |
2688 | lpfc_linkdown(phba); | |
2689 | lpfc_init_link(phba, mbox, | |
2690 | phba->cfg_topology, | |
2691 | phba->cfg_link_speed); | |
2692 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
2693 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
2694 | rc = lpfc_sli_issue_mbox | |
2695 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2696 | lpfc_set_loopback_flag(phba); |
dea3101e | 2697 | if (rc == MBX_NOT_FINISHED) { |
329f9bc7 | 2698 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 2699 | } |
c9f8735b | 2700 | return 1; |
2fe165b6 | 2701 | } else if (rc > 0) { /* greater than */ |
dea3101e JB |
2702 | spin_lock_irq(phba->host->host_lock); |
2703 | phba->fc_flag |= FC_PT2PT_PLOGI; | |
2704 | spin_unlock_irq(phba->host->host_lock); | |
2705 | } | |
2706 | phba->fc_flag |= FC_PT2PT; | |
2707 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2708 | } else { | |
2709 | /* Reject this request because invalid parameters */ | |
2710 | stat.un.b.lsRjtRsvd0 = 0; | |
2711 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2712 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
2713 | stat.un.b.vendorUnique = 0; | |
2714 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
c9f8735b | 2715 | return 1; |
dea3101e JB |
2716 | } |
2717 | ||
2718 | /* Send back ACC */ | |
2719 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); | |
2720 | ||
c9f8735b | 2721 | return 0; |
dea3101e JB |
2722 | } |
2723 | ||
2724 | static int | |
2725 | lpfc_els_rcv_rnid(struct lpfc_hba * phba, | |
2726 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) | |
2727 | { | |
2728 | struct lpfc_dmabuf *pcmd; | |
2729 | uint32_t *lp; | |
2730 | IOCB_t *icmd; | |
2731 | RNID *rn; | |
2732 | struct ls_rjt stat; | |
2733 | uint32_t cmd, did; | |
2734 | ||
2735 | icmd = &cmdiocb->iocb; | |
2736 | did = icmd->un.elsreq64.remoteID; | |
2737 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2738 | lp = (uint32_t *) pcmd->virt; | |
2739 | ||
2740 | cmd = *lp++; | |
2741 | rn = (RNID *) lp; | |
2742 | ||
2743 | /* RNID received */ | |
2744 | ||
2745 | switch (rn->Format) { | |
2746 | case 0: | |
2747 | case RNID_TOPOLOGY_DISC: | |
2748 | /* Send back ACC */ | |
2749 | lpfc_els_rsp_rnid_acc(phba, rn->Format, cmdiocb, ndlp); | |
2750 | break; | |
2751 | default: | |
2752 | /* Reject this request because format not supported */ | |
2753 | stat.un.b.lsRjtRsvd0 = 0; | |
2754 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2755 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2756 | stat.un.b.vendorUnique = 0; | |
2757 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2758 | } | |
c9f8735b | 2759 | return 0; |
dea3101e JB |
2760 | } |
2761 | ||
2762 | static int | |
329f9bc7 JS |
2763 | lpfc_els_rcv_lirr(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2764 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
2765 | { |
2766 | struct ls_rjt stat; | |
2767 | ||
2768 | /* For now, unconditionally reject this command */ | |
2769 | stat.un.b.lsRjtRsvd0 = 0; | |
2770 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2771 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2772 | stat.un.b.vendorUnique = 0; | |
2773 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2774 | return 0; | |
2775 | } | |
2776 | ||
082c0266 | 2777 | static void |
329f9bc7 | 2778 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
7bb3b137 JW |
2779 | { |
2780 | struct lpfc_sli *psli; | |
2781 | struct lpfc_sli_ring *pring; | |
2782 | MAILBOX_t *mb; | |
2783 | IOCB_t *icmd; | |
2784 | RPS_RSP *rps_rsp; | |
2785 | uint8_t *pcmd; | |
2786 | struct lpfc_iocbq *elsiocb; | |
2787 | struct lpfc_nodelist *ndlp; | |
2788 | uint16_t xri, status; | |
2789 | uint32_t cmdsize; | |
2790 | ||
2791 | psli = &phba->sli; | |
2792 | pring = &psli->ring[LPFC_ELS_RING]; | |
2793 | mb = &pmb->mb; | |
2794 | ||
2795 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2796 | xri = (uint16_t) ((unsigned long)(pmb->context1)); | |
041976fb RD |
2797 | pmb->context1 = NULL; |
2798 | pmb->context2 = NULL; | |
7bb3b137 JW |
2799 | |
2800 | if (mb->mbxStatus) { | |
329f9bc7 | 2801 | mempool_free(pmb, phba->mbox_mem_pool); |
7bb3b137 JW |
2802 | return; |
2803 | } | |
2804 | ||
2805 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); | |
329f9bc7 | 2806 | mempool_free(pmb, phba->mbox_mem_pool); |
488d1469 JS |
2807 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, lpfc_max_els_tries, ndlp, |
2808 | ndlp->nlp_DID, ELS_CMD_ACC); | |
329f9bc7 | 2809 | lpfc_nlp_put(ndlp); |
c9f8735b | 2810 | if (!elsiocb) |
7bb3b137 | 2811 | return; |
7bb3b137 JW |
2812 | |
2813 | icmd = &elsiocb->iocb; | |
2814 | icmd->ulpContext = xri; | |
2815 | ||
2816 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2817 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2818 | pcmd += sizeof (uint32_t); /* Skip past command */ | |
2819 | rps_rsp = (RPS_RSP *)pcmd; | |
2820 | ||
2821 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
2822 | status = 0x10; | |
2823 | else | |
2824 | status = 0x8; | |
2825 | if (phba->fc_flag & FC_FABRIC) | |
2826 | status |= 0x4; | |
2827 | ||
2828 | rps_rsp->rsvd1 = 0; | |
2829 | rps_rsp->portStatus = be16_to_cpu(status); | |
2830 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); | |
2831 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); | |
2832 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); | |
2833 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); | |
2834 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); | |
2835 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); | |
2836 | ||
2837 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ | |
2838 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2839 | "%d:0118 Xmit ELS RPS ACC response tag x%x xri x%x, " |
2840 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2841 | phba->brd_no, elsiocb->iotag, | |
7bb3b137 JW |
2842 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2843 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2844 | ||
2845 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2846 | phba->fc_stat.elsXmitACC++; | |
685f0bf7 | 2847 | |
7bb3b137 JW |
2848 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2849 | lpfc_els_free_iocb(phba, elsiocb); | |
2850 | } | |
2851 | return; | |
2852 | } | |
2853 | ||
2854 | static int | |
2855 | lpfc_els_rcv_rps(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
dea3101e JB |
2856 | struct lpfc_nodelist * ndlp) |
2857 | { | |
dea3101e | 2858 | uint32_t *lp; |
7bb3b137 JW |
2859 | uint8_t flag; |
2860 | LPFC_MBOXQ_t *mbox; | |
2861 | struct lpfc_dmabuf *pcmd; | |
2862 | RPS *rps; | |
2863 | struct ls_rjt stat; | |
2864 | ||
2fe165b6 JW |
2865 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
2866 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
2867 | stat.un.b.lsRjtRsvd0 = 0; |
2868 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2869 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2870 | stat.un.b.vendorUnique = 0; | |
2871 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2872 | } | |
2873 | ||
2874 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2875 | lp = (uint32_t *) pcmd->virt; | |
2876 | flag = (be32_to_cpu(*lp++) & 0xf); | |
2877 | rps = (RPS *) lp; | |
2878 | ||
2879 | if ((flag == 0) || | |
2880 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || | |
2881 | ((flag == 2) && (memcmp(&rps->un.portName, &phba->fc_portname, | |
2882 | sizeof (struct lpfc_name)) == 0))) { | |
2883 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) { | |
2884 | lpfc_read_lnk_stat(phba, mbox); | |
2885 | mbox->context1 = | |
2886 | (void *)((unsigned long)cmdiocb->iocb.ulpContext); | |
329f9bc7 | 2887 | mbox->context2 = lpfc_nlp_get(ndlp); |
7bb3b137 JW |
2888 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
2889 | if (lpfc_sli_issue_mbox (phba, mbox, | |
2890 | (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) { | |
2891 | /* Mbox completion will send ELS Response */ | |
2892 | return 0; | |
2893 | } | |
329f9bc7 | 2894 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
2895 | mempool_free(mbox, phba->mbox_mem_pool); |
2896 | } | |
2897 | } | |
2898 | stat.un.b.lsRjtRsvd0 = 0; | |
2899 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2900 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2901 | stat.un.b.vendorUnique = 0; | |
2902 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2903 | return 0; | |
2904 | } | |
2905 | ||
082c0266 | 2906 | static int |
7bb3b137 JW |
2907 | lpfc_els_rsp_rpl_acc(struct lpfc_hba * phba, uint16_t cmdsize, |
2908 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) | |
2909 | { | |
dea3101e | 2910 | IOCB_t *icmd; |
7bb3b137 JW |
2911 | IOCB_t *oldcmd; |
2912 | RPL_RSP rpl_rsp; | |
2913 | struct lpfc_iocbq *elsiocb; | |
dea3101e JB |
2914 | struct lpfc_sli_ring *pring; |
2915 | struct lpfc_sli *psli; | |
7bb3b137 | 2916 | uint8_t *pcmd; |
dea3101e JB |
2917 | |
2918 | psli = &phba->sli; | |
7bb3b137 JW |
2919 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
2920 | ||
488d1469 JS |
2921 | elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
2922 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
2923 | if (!elsiocb) | |
7bb3b137 | 2924 | return 1; |
488d1469 | 2925 | |
7bb3b137 JW |
2926 | icmd = &elsiocb->iocb; |
2927 | oldcmd = &oldiocb->iocb; | |
2928 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2929 | ||
2930 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2931 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2932 | pcmd += sizeof (uint16_t); | |
2933 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); | |
2934 | pcmd += sizeof(uint16_t); | |
2935 | ||
2936 | /* Setup the RPL ACC payload */ | |
2937 | rpl_rsp.listLen = be32_to_cpu(1); | |
2938 | rpl_rsp.index = 0; | |
2939 | rpl_rsp.port_num_blk.portNum = 0; | |
2940 | rpl_rsp.port_num_blk.portID = be32_to_cpu(phba->fc_myDID); | |
2941 | memcpy(&rpl_rsp.port_num_blk.portName, &phba->fc_portname, | |
2942 | sizeof(struct lpfc_name)); | |
2943 | ||
2944 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); | |
2945 | ||
2946 | ||
2947 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ | |
2948 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2949 | "%d:0120 Xmit ELS RPL ACC response tag x%x xri x%x, " |
2950 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2951 | phba->brd_no, elsiocb->iotag, | |
7bb3b137 JW |
2952 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2953 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2954 | ||
2955 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2956 | ||
2957 | phba->fc_stat.elsXmitACC++; | |
2958 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
2959 | lpfc_els_free_iocb(phba, elsiocb); | |
2960 | return 1; | |
2961 | } | |
2962 | return 0; | |
2963 | } | |
2964 | ||
2965 | static int | |
2966 | lpfc_els_rcv_rpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
2967 | struct lpfc_nodelist * ndlp) | |
2968 | { | |
2969 | struct lpfc_dmabuf *pcmd; | |
2970 | uint32_t *lp; | |
2971 | uint32_t maxsize; | |
2972 | uint16_t cmdsize; | |
2973 | RPL *rpl; | |
2974 | struct ls_rjt stat; | |
2975 | ||
2fe165b6 JW |
2976 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
2977 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
2978 | stat.un.b.lsRjtRsvd0 = 0; |
2979 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2980 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2981 | stat.un.b.vendorUnique = 0; | |
2982 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2983 | } | |
2984 | ||
dea3101e JB |
2985 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
2986 | lp = (uint32_t *) pcmd->virt; | |
7bb3b137 | 2987 | rpl = (RPL *) (lp + 1); |
dea3101e | 2988 | |
7bb3b137 | 2989 | maxsize = be32_to_cpu(rpl->maxsize); |
dea3101e | 2990 | |
7bb3b137 JW |
2991 | /* We support only one port */ |
2992 | if ((rpl->index == 0) && | |
2993 | ((maxsize == 0) || | |
2994 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { | |
2995 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); | |
2fe165b6 | 2996 | } else { |
7bb3b137 JW |
2997 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
2998 | } | |
2999 | lpfc_els_rsp_rpl_acc(phba, cmdsize, cmdiocb, ndlp); | |
dea3101e JB |
3000 | |
3001 | return 0; | |
3002 | } | |
3003 | ||
3004 | static int | |
3005 | lpfc_els_rcv_farp(struct lpfc_hba * phba, | |
3006 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) | |
3007 | { | |
3008 | struct lpfc_dmabuf *pcmd; | |
3009 | uint32_t *lp; | |
3010 | IOCB_t *icmd; | |
3011 | FARP *fp; | |
3012 | uint32_t cmd, cnt, did; | |
3013 | ||
3014 | icmd = &cmdiocb->iocb; | |
3015 | did = icmd->un.elsreq64.remoteID; | |
3016 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3017 | lp = (uint32_t *) pcmd->virt; | |
3018 | ||
3019 | cmd = *lp++; | |
3020 | fp = (FARP *) lp; | |
3021 | ||
3022 | /* FARP-REQ received from DID <did> */ | |
3023 | lpfc_printf_log(phba, | |
3024 | KERN_INFO, | |
a4bc3379 | 3025 | LOG_ELS, |
dea3101e JB |
3026 | "%d:0601 FARP-REQ received from DID x%x\n", |
3027 | phba->brd_no, did); | |
3028 | ||
3029 | /* We will only support match on WWPN or WWNN */ | |
3030 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { | |
c9f8735b | 3031 | return 0; |
dea3101e JB |
3032 | } |
3033 | ||
3034 | cnt = 0; | |
3035 | /* If this FARP command is searching for my portname */ | |
3036 | if (fp->Mflags & FARP_MATCH_PORT) { | |
3037 | if (memcmp(&fp->RportName, &phba->fc_portname, | |
3038 | sizeof (struct lpfc_name)) == 0) | |
3039 | cnt = 1; | |
3040 | } | |
3041 | ||
3042 | /* If this FARP command is searching for my nodename */ | |
3043 | if (fp->Mflags & FARP_MATCH_NODE) { | |
3044 | if (memcmp(&fp->RnodeName, &phba->fc_nodename, | |
3045 | sizeof (struct lpfc_name)) == 0) | |
3046 | cnt = 1; | |
3047 | } | |
3048 | ||
3049 | if (cnt) { | |
3050 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
3051 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { | |
3052 | /* Log back into the node before sending the FARP. */ | |
3053 | if (fp->Rflags & FARP_REQUEST_PLOGI) { | |
5024ab17 | 3054 | ndlp->nlp_prev_state = ndlp->nlp_state; |
de0c5b32 JS |
3055 | lpfc_nlp_set_state(phba, ndlp, |
3056 | NLP_STE_PLOGI_ISSUE); | |
488d1469 | 3057 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); |
dea3101e JB |
3058 | } |
3059 | ||
3060 | /* Send a FARP response to that node */ | |
3061 | if (fp->Rflags & FARP_REQUEST_FARPR) { | |
3062 | lpfc_issue_els_farpr(phba, did, 0); | |
3063 | } | |
3064 | } | |
3065 | } | |
c9f8735b | 3066 | return 0; |
dea3101e JB |
3067 | } |
3068 | ||
3069 | static int | |
3070 | lpfc_els_rcv_farpr(struct lpfc_hba * phba, | |
3071 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) | |
3072 | { | |
3073 | struct lpfc_dmabuf *pcmd; | |
3074 | uint32_t *lp; | |
3075 | IOCB_t *icmd; | |
3076 | uint32_t cmd, did; | |
3077 | ||
3078 | icmd = &cmdiocb->iocb; | |
3079 | did = icmd->un.elsreq64.remoteID; | |
3080 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3081 | lp = (uint32_t *) pcmd->virt; | |
3082 | ||
3083 | cmd = *lp++; | |
3084 | /* FARP-RSP received from DID <did> */ | |
3085 | lpfc_printf_log(phba, | |
3086 | KERN_INFO, | |
a4bc3379 | 3087 | LOG_ELS, |
dea3101e JB |
3088 | "%d:0600 FARP-RSP received from DID x%x\n", |
3089 | phba->brd_no, did); | |
3090 | ||
3091 | /* ACCEPT the Farp resp request */ | |
3092 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); | |
3093 | ||
3094 | return 0; | |
3095 | } | |
3096 | ||
3097 | static int | |
3098 | lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
5024ab17 | 3099 | struct lpfc_nodelist * fan_ndlp) |
dea3101e JB |
3100 | { |
3101 | struct lpfc_dmabuf *pcmd; | |
3102 | uint32_t *lp; | |
3103 | IOCB_t *icmd; | |
dea3101e | 3104 | uint32_t cmd, did; |
5024ab17 JW |
3105 | FAN *fp; |
3106 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3107 | ||
3108 | /* FAN received */ | |
dca9479b | 3109 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0265 FAN received\n", |
5024ab17 | 3110 | phba->brd_no); |
dea3101e JB |
3111 | |
3112 | icmd = &cmdiocb->iocb; | |
3113 | did = icmd->un.elsreq64.remoteID; | |
5024ab17 JW |
3114 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
3115 | lp = (uint32_t *)pcmd->virt; | |
dea3101e JB |
3116 | |
3117 | cmd = *lp++; | |
5024ab17 | 3118 | fp = (FAN *)lp; |
dea3101e | 3119 | |
5024ab17 | 3120 | /* FAN received; Fan does not have a reply sequence */ |
dea3101e JB |
3121 | |
3122 | if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { | |
5024ab17 JW |
3123 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
3124 | sizeof(struct lpfc_name)) != 0) || | |
3125 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, | |
3126 | sizeof(struct lpfc_name)) != 0)) { | |
3127 | /* | |
3128 | * This node has switched fabrics. FLOGI is required | |
3129 | * Clean up the old rpi's | |
dea3101e | 3130 | */ |
5024ab17 JW |
3131 | |
3132 | list_for_each_entry_safe(ndlp, next_ndlp, | |
685f0bf7 JS |
3133 | &phba->fc_nodes, nlp_listp) { |
3134 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
3135 | continue; | |
5024ab17 JW |
3136 | if (ndlp->nlp_type & NLP_FABRIC) { |
3137 | /* | |
3138 | * Clean up old Fabric, Nameserver and | |
3139 | * other NLP_FABRIC logins | |
3140 | */ | |
de0c5b32 | 3141 | lpfc_drop_node(phba, ndlp); |
2fe165b6 | 3142 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
5024ab17 JW |
3143 | /* Fail outstanding I/O now since this |
3144 | * device is marked for PLOGI | |
3145 | */ | |
3146 | lpfc_unreg_rpi(phba, ndlp); | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | phba->hba_state = LPFC_FLOGI; | |
3151 | lpfc_set_disctmo(phba); | |
3152 | lpfc_initial_flogi(phba); | |
c9f8735b | 3153 | return 0; |
dea3101e | 3154 | } |
5024ab17 JW |
3155 | /* Discovery not needed, |
3156 | * move the nodes to their original state. | |
3157 | */ | |
685f0bf7 JS |
3158 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, |
3159 | nlp_listp) { | |
3160 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
3161 | continue; | |
dea3101e | 3162 | |
5024ab17 JW |
3163 | switch (ndlp->nlp_prev_state) { |
3164 | case NLP_STE_UNMAPPED_NODE: | |
3165 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
de0c5b32 JS |
3166 | lpfc_nlp_set_state(phba, ndlp, |
3167 | NLP_STE_UNMAPPED_NODE); | |
5024ab17 JW |
3168 | break; |
3169 | ||
3170 | case NLP_STE_MAPPED_NODE: | |
3171 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
de0c5b32 JS |
3172 | lpfc_nlp_set_state(phba, ndlp, |
3173 | NLP_STE_MAPPED_NODE); | |
5024ab17 JW |
3174 | break; |
3175 | ||
3176 | default: | |
3177 | break; | |
3178 | } | |
3179 | } | |
3180 | ||
3181 | /* Start discovery - this should just do CLEAR_LA */ | |
dea3101e JB |
3182 | lpfc_disc_start(phba); |
3183 | } | |
c9f8735b | 3184 | return 0; |
dea3101e JB |
3185 | } |
3186 | ||
3187 | void | |
3188 | lpfc_els_timeout(unsigned long ptr) | |
3189 | { | |
3190 | struct lpfc_hba *phba; | |
3191 | unsigned long iflag; | |
3192 | ||
3193 | phba = (struct lpfc_hba *)ptr; | |
3194 | if (phba == 0) | |
3195 | return; | |
3196 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
3197 | if (!(phba->work_hba_events & WORKER_ELS_TMO)) { | |
3198 | phba->work_hba_events |= WORKER_ELS_TMO; | |
3199 | if (phba->work_wait) | |
3200 | wake_up(phba->work_wait); | |
3201 | } | |
3202 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
3203 | return; | |
3204 | } | |
3205 | ||
3206 | void | |
3207 | lpfc_els_timeout_handler(struct lpfc_hba *phba) | |
3208 | { | |
3209 | struct lpfc_sli_ring *pring; | |
3210 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3211 | IOCB_t *cmd = NULL; | |
3212 | struct lpfc_dmabuf *pcmd; | |
dea3101e | 3213 | uint32_t *elscmd; |
7054a606 | 3214 | uint32_t els_command=0; |
dea3101e JB |
3215 | uint32_t timeout; |
3216 | uint32_t remote_ID; | |
3217 | ||
3218 | if (phba == 0) | |
3219 | return; | |
3220 | spin_lock_irq(phba->host->host_lock); | |
3221 | /* If the timer is already canceled do nothing */ | |
3222 | if (!(phba->work_hba_events & WORKER_ELS_TMO)) { | |
3223 | spin_unlock_irq(phba->host->host_lock); | |
3224 | return; | |
3225 | } | |
3226 | timeout = (uint32_t)(phba->fc_ratov << 1); | |
3227 | ||
3228 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
dea3101e JB |
3229 | |
3230 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3231 | cmd = &piocb->iocb; | |
3232 | ||
7054a606 JS |
3233 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) || |
3234 | (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN) || | |
3235 | (piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN)) { | |
dea3101e JB |
3236 | continue; |
3237 | } | |
3238 | pcmd = (struct lpfc_dmabuf *) piocb->context2; | |
7054a606 JS |
3239 | if (pcmd) { |
3240 | elscmd = (uint32_t *) (pcmd->virt); | |
3241 | els_command = *elscmd; | |
3242 | } | |
dea3101e JB |
3243 | |
3244 | if ((els_command == ELS_CMD_FARP) | |
3245 | || (els_command == ELS_CMD_FARPR)) { | |
3246 | continue; | |
3247 | } | |
3248 | ||
3249 | if (piocb->drvrTimeout > 0) { | |
3250 | if (piocb->drvrTimeout >= timeout) { | |
3251 | piocb->drvrTimeout -= timeout; | |
3252 | } else { | |
3253 | piocb->drvrTimeout = 0; | |
3254 | } | |
3255 | continue; | |
3256 | } | |
3257 | ||
dea3101e JB |
3258 | if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { |
3259 | struct lpfc_nodelist *ndlp; | |
2534ba75 | 3260 | ndlp = __lpfc_findnode_rpi(phba, cmd->ulpContext); |
dea3101e | 3261 | remote_ID = ndlp->nlp_DID; |
dea3101e JB |
3262 | } else { |
3263 | remote_ID = cmd->un.elsreq64.remoteID; | |
3264 | } | |
3265 | ||
3266 | lpfc_printf_log(phba, | |
3267 | KERN_ERR, | |
3268 | LOG_ELS, | |
3269 | "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n", | |
3270 | phba->brd_no, els_command, | |
3271 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); | |
3272 | ||
07951076 | 3273 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3274 | } |
5a0e326d JS |
3275 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
3276 | mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout); | |
3277 | ||
dea3101e JB |
3278 | spin_unlock_irq(phba->host->host_lock); |
3279 | } | |
3280 | ||
3281 | void | |
329f9bc7 | 3282 | lpfc_els_flush_cmd(struct lpfc_hba *phba) |
dea3101e | 3283 | { |
2534ba75 | 3284 | LIST_HEAD(completions); |
329f9bc7 | 3285 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
dea3101e JB |
3286 | struct lpfc_iocbq *tmp_iocb, *piocb; |
3287 | IOCB_t *cmd = NULL; | |
dea3101e | 3288 | |
dea3101e JB |
3289 | spin_lock_irq(phba->host->host_lock); |
3290 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { | |
3291 | cmd = &piocb->iocb; | |
3292 | ||
3293 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3294 | continue; | |
3295 | } | |
3296 | ||
3297 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
329f9bc7 JS |
3298 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
3299 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
3300 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
3301 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
dea3101e | 3302 | continue; |
dea3101e | 3303 | |
2534ba75 | 3304 | list_move_tail(&piocb->list, &completions); |
1dcb58e5 | 3305 | pring->txq_cnt--; |
dea3101e | 3306 | |
dea3101e JB |
3307 | } |
3308 | ||
3309 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3310 | cmd = &piocb->iocb; | |
3311 | ||
3312 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3313 | continue; | |
3314 | } | |
dea3101e | 3315 | |
07951076 | 3316 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e JB |
3317 | } |
3318 | spin_unlock_irq(phba->host->host_lock); | |
2534ba75 JS |
3319 | |
3320 | while(!list_empty(&completions)) { | |
3321 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
3322 | cmd = &piocb->iocb; | |
3323 | list_del(&piocb->list); | |
3324 | ||
3325 | if (piocb->iocb_cmpl) { | |
3326 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
3327 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3328 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
3329 | } else | |
3330 | lpfc_sli_release_iocbq(phba, piocb); | |
3331 | } | |
3332 | ||
dea3101e JB |
3333 | return; |
3334 | } | |
3335 | ||
3336 | void | |
3337 | lpfc_els_unsol_event(struct lpfc_hba * phba, | |
3338 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * elsiocb) | |
3339 | { | |
3340 | struct lpfc_sli *psli; | |
3341 | struct lpfc_nodelist *ndlp; | |
3342 | struct lpfc_dmabuf *mp; | |
3343 | uint32_t *lp; | |
3344 | IOCB_t *icmd; | |
3345 | struct ls_rjt stat; | |
3346 | uint32_t cmd; | |
3347 | uint32_t did; | |
3348 | uint32_t newnode; | |
3349 | uint32_t drop_cmd = 0; /* by default do NOT drop received cmd */ | |
3350 | uint32_t rjt_err = 0; | |
3351 | ||
3352 | psli = &phba->sli; | |
3353 | icmd = &elsiocb->iocb; | |
3354 | ||
3355 | if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
3356 | ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { | |
3357 | /* Not enough posted buffers; Try posting more buffers */ | |
3358 | phba->fc_stat.NoRcvBuf++; | |
3359 | lpfc_post_buffer(phba, pring, 0, 1); | |
3360 | return; | |
3361 | } | |
3362 | ||
3363 | /* If there are no BDEs associated with this IOCB, | |
3364 | * there is nothing to do. | |
3365 | */ | |
3366 | if (icmd->ulpBdeCount == 0) | |
3367 | return; | |
3368 | ||
3369 | /* type of ELS cmd is first 32bit word in packet */ | |
3370 | mp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un. | |
3371 | cont64[0]. | |
3372 | addrHigh, | |
3373 | icmd->un. | |
3374 | cont64[0].addrLow)); | |
3375 | if (mp == 0) { | |
3376 | drop_cmd = 1; | |
3377 | goto dropit; | |
3378 | } | |
3379 | ||
3380 | newnode = 0; | |
3381 | lp = (uint32_t *) mp->virt; | |
3382 | cmd = *lp++; | |
3383 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], 1, 1); | |
3384 | ||
3385 | if (icmd->ulpStatus) { | |
3386 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3387 | kfree(mp); | |
3388 | drop_cmd = 1; | |
3389 | goto dropit; | |
3390 | } | |
3391 | ||
3392 | /* Check to see if link went down during discovery */ | |
3393 | if (lpfc_els_chk_latt(phba)) { | |
3394 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3395 | kfree(mp); | |
3396 | drop_cmd = 1; | |
3397 | goto dropit; | |
3398 | } | |
3399 | ||
3400 | did = icmd->un.rcvels.remoteID; | |
685f0bf7 | 3401 | ndlp = lpfc_findnode_did(phba, did); |
c9f8735b | 3402 | if (!ndlp) { |
dea3101e | 3403 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
3404 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
3405 | if (!ndlp) { | |
dea3101e JB |
3406 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3407 | kfree(mp); | |
3408 | drop_cmd = 1; | |
3409 | goto dropit; | |
3410 | } | |
3411 | ||
3412 | lpfc_nlp_init(phba, ndlp, did); | |
3413 | newnode = 1; | |
3414 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { | |
3415 | ndlp->nlp_type |= NLP_FABRIC; | |
3416 | } | |
de0c5b32 | 3417 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); |
dea3101e JB |
3418 | } |
3419 | ||
3420 | phba->fc_stat.elsRcvFrame++; | |
329f9bc7 JS |
3421 | if (elsiocb->context1) |
3422 | lpfc_nlp_put(elsiocb->context1); | |
3423 | elsiocb->context1 = lpfc_nlp_get(ndlp); | |
dea3101e JB |
3424 | elsiocb->context2 = mp; |
3425 | ||
3426 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { | |
3427 | cmd &= ELS_CMD_MASK; | |
3428 | } | |
3429 | /* ELS command <elsCmd> received from NPORT <did> */ | |
3430 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
3431 | "%d:0112 ELS command x%x received from NPORT x%x " | |
3432 | "Data: x%x\n", phba->brd_no, cmd, did, phba->hba_state); | |
3433 | ||
3434 | switch (cmd) { | |
3435 | case ELS_CMD_PLOGI: | |
3436 | phba->fc_stat.elsRcvPLOGI++; | |
3437 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3438 | rjt_err = 1; |
dea3101e JB |
3439 | break; |
3440 | } | |
92795650 | 3441 | ndlp = lpfc_plogi_confirm_nport(phba, mp, ndlp); |
dea3101e JB |
3442 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); |
3443 | break; | |
3444 | case ELS_CMD_FLOGI: | |
3445 | phba->fc_stat.elsRcvFLOGI++; | |
3446 | lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode); | |
de0c5b32 JS |
3447 | if (newnode) |
3448 | lpfc_drop_node(phba, ndlp); | |
dea3101e JB |
3449 | break; |
3450 | case ELS_CMD_LOGO: | |
3451 | phba->fc_stat.elsRcvLOGO++; | |
3452 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3453 | rjt_err = 1; |
dea3101e JB |
3454 | break; |
3455 | } | |
3456 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_LOGO); | |
3457 | break; | |
3458 | case ELS_CMD_PRLO: | |
3459 | phba->fc_stat.elsRcvPRLO++; | |
3460 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3461 | rjt_err = 1; |
dea3101e JB |
3462 | break; |
3463 | } | |
3464 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLO); | |
3465 | break; | |
3466 | case ELS_CMD_RSCN: | |
3467 | phba->fc_stat.elsRcvRSCN++; | |
3468 | lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode); | |
de0c5b32 JS |
3469 | if (newnode) |
3470 | lpfc_drop_node(phba, ndlp); | |
dea3101e JB |
3471 | break; |
3472 | case ELS_CMD_ADISC: | |
3473 | phba->fc_stat.elsRcvADISC++; | |
3474 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3475 | rjt_err = 1; |
dea3101e JB |
3476 | break; |
3477 | } | |
3478 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_ADISC); | |
3479 | break; | |
3480 | case ELS_CMD_PDISC: | |
3481 | phba->fc_stat.elsRcvPDISC++; | |
3482 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3483 | rjt_err = 1; |
dea3101e JB |
3484 | break; |
3485 | } | |
3486 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PDISC); | |
3487 | break; | |
3488 | case ELS_CMD_FARPR: | |
3489 | phba->fc_stat.elsRcvFARPR++; | |
3490 | lpfc_els_rcv_farpr(phba, elsiocb, ndlp); | |
3491 | break; | |
3492 | case ELS_CMD_FARP: | |
3493 | phba->fc_stat.elsRcvFARP++; | |
3494 | lpfc_els_rcv_farp(phba, elsiocb, ndlp); | |
3495 | break; | |
3496 | case ELS_CMD_FAN: | |
3497 | phba->fc_stat.elsRcvFAN++; | |
3498 | lpfc_els_rcv_fan(phba, elsiocb, ndlp); | |
3499 | break; | |
dea3101e JB |
3500 | case ELS_CMD_PRLI: |
3501 | phba->fc_stat.elsRcvPRLI++; | |
3502 | if (phba->hba_state < LPFC_DISC_AUTH) { | |
1f679caf | 3503 | rjt_err = 1; |
dea3101e JB |
3504 | break; |
3505 | } | |
3506 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI); | |
3507 | break; | |
7bb3b137 JW |
3508 | case ELS_CMD_LIRR: |
3509 | phba->fc_stat.elsRcvLIRR++; | |
3510 | lpfc_els_rcv_lirr(phba, elsiocb, ndlp); | |
de0c5b32 JS |
3511 | if (newnode) |
3512 | lpfc_drop_node(phba, ndlp); | |
7bb3b137 JW |
3513 | break; |
3514 | case ELS_CMD_RPS: | |
3515 | phba->fc_stat.elsRcvRPS++; | |
3516 | lpfc_els_rcv_rps(phba, elsiocb, ndlp); | |
de0c5b32 JS |
3517 | if (newnode) |
3518 | lpfc_drop_node(phba, ndlp); | |
7bb3b137 JW |
3519 | break; |
3520 | case ELS_CMD_RPL: | |
3521 | phba->fc_stat.elsRcvRPL++; | |
3522 | lpfc_els_rcv_rpl(phba, elsiocb, ndlp); | |
de0c5b32 JS |
3523 | if (newnode) |
3524 | lpfc_drop_node(phba, ndlp); | |
7bb3b137 | 3525 | break; |
dea3101e JB |
3526 | case ELS_CMD_RNID: |
3527 | phba->fc_stat.elsRcvRNID++; | |
3528 | lpfc_els_rcv_rnid(phba, elsiocb, ndlp); | |
de0c5b32 JS |
3529 | if (newnode) |
3530 | lpfc_drop_node(phba, ndlp); | |
dea3101e JB |
3531 | break; |
3532 | default: | |
3533 | /* Unsupported ELS command, reject */ | |
1f679caf | 3534 | rjt_err = 1; |
dea3101e JB |
3535 | |
3536 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ | |
3537 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
3538 | "%d:0115 Unknown ELS command x%x received from " | |
3539 | "NPORT x%x\n", phba->brd_no, cmd, did); | |
de0c5b32 JS |
3540 | if (newnode) |
3541 | lpfc_drop_node(phba, ndlp); | |
dea3101e JB |
3542 | break; |
3543 | } | |
3544 | ||
3545 | /* check if need to LS_RJT received ELS cmd */ | |
3546 | if (rjt_err) { | |
3547 | stat.un.b.lsRjtRsvd0 = 0; | |
3548 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1f679caf | 3549 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
dea3101e JB |
3550 | stat.un.b.vendorUnique = 0; |
3551 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp); | |
3552 | } | |
3553 | ||
329f9bc7 JS |
3554 | lpfc_nlp_put(elsiocb->context1); |
3555 | elsiocb->context1 = NULL; | |
dea3101e JB |
3556 | if (elsiocb->context2) { |
3557 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3558 | kfree(mp); | |
3559 | } | |
3560 | dropit: | |
3561 | /* check if need to drop received ELS cmd */ | |
3562 | if (drop_cmd == 1) { | |
3563 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
3564 | "%d:0111 Dropping received ELS cmd " | |
c9f8735b JW |
3565 | "Data: x%x x%x x%x\n", phba->brd_no, |
3566 | icmd->ulpStatus, icmd->un.ulpWord[4], | |
3567 | icmd->ulpTimeout); | |
dea3101e JB |
3568 | phba->fc_stat.elsRcvDrop++; |
3569 | } | |
3570 | return; | |
3571 | } |