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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
2fe165b6 | 4 | * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e | 27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
38 | ||
39 | ||
40 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
41 | static int | |
42 | lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
43 | struct lpfc_name * nn, struct lpfc_name * pn) | |
44 | { | |
45 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node | |
46 | * table entry for that node. | |
47 | */ | |
48 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)) != 0) | |
c9f8735b | 49 | return 0; |
dea3101e | 50 | |
51 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)) != 0) | |
c9f8735b | 52 | return 0; |
dea3101e | 53 | |
54 | /* we match, return success */ | |
c9f8735b | 55 | return 1; |
dea3101e | 56 | } |
57 | ||
dea3101e | 58 | int |
59 | lpfc_check_sparm(struct lpfc_hba * phba, | |
60 | struct lpfc_nodelist * ndlp, struct serv_parm * sp, | |
61 | uint32_t class) | |
62 | { | |
63 | volatile struct serv_parm *hsp = &phba->fc_sparam; | |
2fb70f79 JSEC |
64 | uint16_t hsp_value, ssp_value = 0; |
65 | ||
66 | /* | |
67 | * The receive data field size and buffer-to-buffer receive data field | |
68 | * size entries are 16 bits but are represented as two 8-bit fields in | |
69 | * the driver data structure to account for rsvd bits and other control | |
70 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
71 | * correcting the byte values. | |
72 | */ | |
dea3101e | 73 | if (sp->cls1.classValid) { |
2fb70f79 JSEC |
74 | hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | |
75 | hsp->cls1.rcvDataSizeLsb; | |
76 | ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | | |
77 | sp->cls1.rcvDataSizeLsb; | |
78 | if (ssp_value > hsp_value) { | |
dea3101e | 79 | sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; |
2fb70f79 JSEC |
80 | sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; |
81 | } | |
dea3101e | 82 | } else if (class == CLASS1) { |
2fb70f79 | 83 | return 0; |
dea3101e | 84 | } |
85 | ||
86 | if (sp->cls2.classValid) { | |
2fb70f79 JSEC |
87 | hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | |
88 | hsp->cls2.rcvDataSizeLsb; | |
89 | ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | | |
90 | sp->cls2.rcvDataSizeLsb; | |
91 | if (ssp_value > hsp_value) { | |
dea3101e | 92 | sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; |
2fb70f79 JSEC |
93 | sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; |
94 | } | |
dea3101e | 95 | } else if (class == CLASS2) { |
2fb70f79 | 96 | return 0; |
dea3101e | 97 | } |
98 | ||
99 | if (sp->cls3.classValid) { | |
2fb70f79 JSEC |
100 | hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | |
101 | hsp->cls3.rcvDataSizeLsb; | |
102 | ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | | |
103 | sp->cls3.rcvDataSizeLsb; | |
104 | if (ssp_value > hsp_value) { | |
dea3101e | 105 | sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; |
2fb70f79 JSEC |
106 | sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; |
107 | } | |
dea3101e | 108 | } else if (class == CLASS3) { |
2fb70f79 | 109 | return 0; |
dea3101e | 110 | } |
111 | ||
2fb70f79 JSEC |
112 | /* |
113 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
114 | * These bits contain the Buffer-to-Buffer State Change Number | |
115 | * from the target and need to be passed to the FW. | |
116 | */ | |
117 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
118 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
119 | if (ssp_value > hsp_value) { | |
dea3101e | 120 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
121 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
122 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
123 | } | |
dea3101e | 124 | |
dea3101e | 125 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
126 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 127 | return 1; |
dea3101e | 128 | } |
129 | ||
130 | static void * | |
131 | lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, | |
132 | struct lpfc_iocbq *cmdiocb, | |
133 | struct lpfc_iocbq *rspiocb) | |
134 | { | |
135 | struct lpfc_dmabuf *pcmd, *prsp; | |
136 | uint32_t *lp; | |
137 | void *ptr = NULL; | |
138 | IOCB_t *irsp; | |
139 | ||
140 | irsp = &rspiocb->iocb; | |
141 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
142 | ||
143 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
144 | * freeing associated memory till after ABTS completes. | |
145 | */ | |
146 | if (pcmd) { | |
147 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
148 | list); | |
149 | if (prsp) { | |
150 | lp = (uint32_t *) prsp->virt; | |
151 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
152 | } | |
2fe165b6 | 153 | } else { |
dea3101e | 154 | /* Force ulpStatus error since we are returning NULL ptr */ |
155 | if (!(irsp->ulpStatus)) { | |
156 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
157 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
158 | } | |
159 | ptr = NULL; | |
160 | } | |
c9f8735b | 161 | return ptr; |
dea3101e | 162 | } |
163 | ||
164 | ||
165 | /* | |
166 | * Free resources / clean up outstanding I/Os | |
167 | * associated with a LPFC_NODELIST entry. This | |
168 | * routine effectively results in a "software abort". | |
169 | */ | |
170 | int | |
171 | lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
172 | int send_abts) | |
173 | { | |
174 | struct lpfc_sli *psli; | |
175 | struct lpfc_sli_ring *pring; | |
176 | struct lpfc_iocbq *iocb, *next_iocb; | |
177 | IOCB_t *icmd; | |
178 | int found = 0; | |
179 | ||
180 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
181 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
dca9479b | 182 | "%d:0205 Abort outstanding I/O on NPort x%x " |
dea3101e | 183 | "Data: x%x x%x x%x\n", |
184 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
185 | ndlp->nlp_state, ndlp->nlp_rpi); | |
186 | ||
187 | psli = &phba->sli; | |
188 | pring = &psli->ring[LPFC_ELS_RING]; | |
189 | ||
190 | /* First check the txq */ | |
191 | do { | |
192 | found = 0; | |
193 | spin_lock_irq(phba->host->host_lock); | |
194 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { | |
195 | /* Check to see if iocb matches the nport we are looking | |
196 | for */ | |
197 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) { | |
198 | found = 1; | |
199 | /* It matches, so deque and call compl with an | |
200 | error */ | |
201 | list_del(&iocb->list); | |
202 | pring->txq_cnt--; | |
203 | if (iocb->iocb_cmpl) { | |
204 | icmd = &iocb->iocb; | |
205 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
206 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
207 | spin_unlock_irq(phba->host->host_lock); | |
208 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
209 | spin_lock_irq(phba->host->host_lock); | |
604a3e30 JB |
210 | } else |
211 | lpfc_sli_release_iocbq(phba, iocb); | |
dea3101e | 212 | break; |
213 | } | |
214 | } | |
215 | spin_unlock_irq(phba->host->host_lock); | |
216 | } while (found); | |
217 | ||
218 | /* Everything on txcmplq will be returned by firmware | |
219 | * with a no rpi / linkdown / abort error. For ring 0, | |
220 | * ELS discovery, we want to get rid of it right here. | |
221 | */ | |
222 | /* Next check the txcmplq */ | |
223 | do { | |
224 | found = 0; | |
225 | spin_lock_irq(phba->host->host_lock); | |
226 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, | |
227 | list) { | |
228 | /* Check to see if iocb matches the nport we are looking | |
229 | for */ | |
230 | if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) { | |
231 | found = 1; | |
232 | /* It matches, so deque and call compl with an | |
233 | error */ | |
234 | list_del(&iocb->list); | |
235 | pring->txcmplq_cnt--; | |
236 | ||
237 | icmd = &iocb->iocb; | |
238 | /* If the driver is completing an ELS | |
239 | * command early, flush it out of the firmware. | |
240 | */ | |
241 | if (send_abts && | |
242 | (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) && | |
243 | (icmd->un.elsreq64.bdl.ulpIoTag32)) { | |
244 | lpfc_sli_issue_abort_iotag32(phba, | |
245 | pring, iocb); | |
246 | } | |
247 | if (iocb->iocb_cmpl) { | |
248 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
249 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
250 | spin_unlock_irq(phba->host->host_lock); | |
251 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
252 | spin_lock_irq(phba->host->host_lock); | |
604a3e30 JB |
253 | } else |
254 | lpfc_sli_release_iocbq(phba, iocb); | |
dea3101e | 255 | break; |
256 | } | |
257 | } | |
258 | spin_unlock_irq(phba->host->host_lock); | |
259 | } while(found); | |
260 | ||
261 | /* If we are delaying issuing an ELS command, cancel it */ | |
fdcebe28 JS |
262 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
263 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
c9f8735b | 264 | return 0; |
dea3101e | 265 | } |
266 | ||
267 | static int | |
268 | lpfc_rcv_plogi(struct lpfc_hba * phba, | |
269 | struct lpfc_nodelist * ndlp, | |
270 | struct lpfc_iocbq *cmdiocb) | |
271 | { | |
272 | struct lpfc_dmabuf *pcmd; | |
273 | uint32_t *lp; | |
274 | IOCB_t *icmd; | |
275 | struct serv_parm *sp; | |
276 | LPFC_MBOXQ_t *mbox; | |
277 | struct ls_rjt stat; | |
278 | int rc; | |
279 | ||
280 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
281 | if (phba->hba_state <= LPFC_FLOGI) { | |
282 | /* Before responding to PLOGI, check for pt2pt mode. | |
283 | * If we are pt2pt, with an outstanding FLOGI, abort | |
284 | * the FLOGI and resend it first. | |
285 | */ | |
286 | if (phba->fc_flag & FC_PT2PT) { | |
287 | lpfc_els_abort_flogi(phba); | |
288 | if (!(phba->fc_flag & FC_PT2PT_PLOGI)) { | |
289 | /* If the other side is supposed to initiate | |
290 | * the PLOGI anyway, just ACC it now and | |
291 | * move on with discovery. | |
292 | */ | |
293 | phba->fc_edtov = FF_DEF_EDTOV; | |
294 | phba->fc_ratov = FF_DEF_RATOV; | |
295 | /* Start discovery - this should just do | |
296 | CLEAR_LA */ | |
297 | lpfc_disc_start(phba); | |
2fe165b6 | 298 | } else { |
dea3101e | 299 | lpfc_initial_flogi(phba); |
300 | } | |
2fe165b6 | 301 | } else { |
dea3101e | 302 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
303 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
304 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, | |
305 | ndlp); | |
306 | return 0; | |
307 | } | |
308 | } | |
309 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
310 | lp = (uint32_t *) pcmd->virt; | |
311 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
312 | if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3) == 0)) { | |
313 | /* Reject this request because invalid parameters */ | |
314 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
315 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
316 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
c9f8735b | 317 | return 0; |
dea3101e | 318 | } |
319 | icmd = &cmdiocb->iocb; | |
320 | ||
321 | /* PLOGI chkparm OK */ | |
322 | lpfc_printf_log(phba, | |
323 | KERN_INFO, | |
324 | LOG_ELS, | |
325 | "%d:0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
326 | phba->brd_no, | |
327 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
328 | ndlp->nlp_rpi); | |
329 | ||
330 | if ((phba->cfg_fcp_class == 2) && | |
331 | (sp->cls2.classValid)) { | |
332 | ndlp->nlp_fcp_info |= CLASS2; | |
333 | } else { | |
334 | ndlp->nlp_fcp_info |= CLASS3; | |
335 | } | |
336 | ndlp->nlp_class_sup = 0; | |
337 | if (sp->cls1.classValid) | |
338 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
339 | if (sp->cls2.classValid) | |
340 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
341 | if (sp->cls3.classValid) | |
342 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
343 | if (sp->cls4.classValid) | |
344 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
345 | ndlp->nlp_maxframe = | |
346 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
347 | ||
348 | /* no need to reg_login if we are already in one of these states */ | |
2fe165b6 | 349 | switch (ndlp->nlp_state) { |
dea3101e | 350 | case NLP_STE_NPR_NODE: |
351 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
352 | break; | |
353 | case NLP_STE_REG_LOGIN_ISSUE: | |
354 | case NLP_STE_PRLI_ISSUE: | |
355 | case NLP_STE_UNMAPPED_NODE: | |
356 | case NLP_STE_MAPPED_NODE: | |
357 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0); | |
c9f8735b | 358 | return 1; |
dea3101e | 359 | } |
360 | ||
361 | if ((phba->fc_flag & FC_PT2PT) | |
362 | && !(phba->fc_flag & FC_PT2PT_PLOGI)) { | |
363 | /* rcv'ed PLOGI decides what our NPortId will be */ | |
364 | phba->fc_myDID = icmd->un.rcvels.parmRo; | |
365 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
366 | if (mbox == NULL) | |
367 | goto out; | |
368 | lpfc_config_link(phba, mbox); | |
369 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
370 | rc = lpfc_sli_issue_mbox | |
371 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
372 | if (rc == MBX_NOT_FINISHED) { | |
373 | mempool_free( mbox, phba->mbox_mem_pool); | |
374 | goto out; | |
375 | } | |
376 | ||
377 | lpfc_can_disctmo(phba); | |
378 | } | |
379 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
380 | if (mbox == NULL) | |
381 | goto out; | |
382 | ||
383 | if (lpfc_reg_login(phba, icmd->un.rcvels.remoteID, | |
384 | (uint8_t *) sp, mbox, 0)) { | |
385 | mempool_free( mbox, phba->mbox_mem_pool); | |
386 | goto out; | |
387 | } | |
388 | ||
389 | /* ACC PLOGI rsp command needs to execute first, | |
390 | * queue this mbox command to be processed later. | |
391 | */ | |
392 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
393 | mbox->context2 = ndlp; | |
5024ab17 | 394 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
dea3101e | 395 | |
33ccf8d1 JS |
396 | /* |
397 | * If there is an outstanding PLOGI issued, abort it before | |
398 | * sending ACC rsp for received PLOGI. If pending plogi | |
399 | * is not canceled here, the plogi will be rejected by | |
400 | * remote port and will be retried. On a configuration with | |
401 | * single discovery thread, this will cause a huge delay in | |
402 | * discovery. Also this will cause multiple state machines | |
403 | * running in parallel for this node. | |
404 | */ | |
405 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
406 | /* software abort outstanding PLOGI */ | |
407 | lpfc_els_abort(phba, ndlp, 1); | |
408 | } | |
409 | ||
dea3101e | 410 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); |
c9f8735b | 411 | return 1; |
dea3101e | 412 | |
413 | out: | |
414 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
415 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
416 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
c9f8735b | 417 | return 0; |
dea3101e | 418 | } |
419 | ||
420 | static int | |
421 | lpfc_rcv_padisc(struct lpfc_hba * phba, | |
422 | struct lpfc_nodelist * ndlp, | |
423 | struct lpfc_iocbq *cmdiocb) | |
424 | { | |
425 | struct lpfc_dmabuf *pcmd; | |
426 | struct serv_parm *sp; | |
427 | struct lpfc_name *pnn, *ppn; | |
428 | struct ls_rjt stat; | |
429 | ADISC *ap; | |
430 | IOCB_t *icmd; | |
431 | uint32_t *lp; | |
432 | uint32_t cmd; | |
433 | ||
434 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
435 | lp = (uint32_t *) pcmd->virt; | |
436 | ||
437 | cmd = *lp++; | |
438 | if (cmd == ELS_CMD_ADISC) { | |
439 | ap = (ADISC *) lp; | |
440 | pnn = (struct lpfc_name *) & ap->nodeName; | |
441 | ppn = (struct lpfc_name *) & ap->portName; | |
442 | } else { | |
443 | sp = (struct serv_parm *) lp; | |
444 | pnn = (struct lpfc_name *) & sp->nodeName; | |
445 | ppn = (struct lpfc_name *) & sp->portName; | |
446 | } | |
447 | ||
448 | icmd = &cmdiocb->iocb; | |
449 | if ((icmd->ulpStatus == 0) && | |
450 | (lpfc_check_adisc(phba, ndlp, pnn, ppn))) { | |
451 | if (cmd == ELS_CMD_ADISC) { | |
452 | lpfc_els_rsp_adisc_acc(phba, cmdiocb, ndlp); | |
2fe165b6 | 453 | } else { |
dea3101e | 454 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, |
455 | NULL, 0); | |
456 | } | |
c9f8735b | 457 | return 1; |
dea3101e | 458 | } |
459 | /* Reject this request because invalid parameters */ | |
460 | stat.un.b.lsRjtRsvd0 = 0; | |
461 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
462 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
463 | stat.un.b.vendorUnique = 0; | |
464 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
465 | ||
dea3101e | 466 | /* 1 sec timeout */ |
467 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
468 | ||
469 | spin_lock_irq(phba->host->host_lock); | |
470 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
471 | spin_unlock_irq(phba->host->host_lock); | |
5024ab17 JW |
472 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
473 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
dea3101e | 474 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
475 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
c9f8735b | 476 | return 0; |
dea3101e | 477 | } |
478 | ||
479 | static int | |
480 | lpfc_rcv_logo(struct lpfc_hba * phba, | |
481 | struct lpfc_nodelist * ndlp, | |
82d9a2a2 JS |
482 | struct lpfc_iocbq *cmdiocb, |
483 | uint32_t els_cmd) | |
dea3101e | 484 | { |
485 | /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */ | |
486 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary | |
487 | * PLOGIs during LOGO storms from a device. | |
488 | */ | |
489 | ndlp->nlp_flag |= NLP_LOGO_ACC; | |
82d9a2a2 JS |
490 | if (els_cmd == ELS_CMD_PRLO) |
491 | lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); | |
492 | else | |
493 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); | |
dea3101e | 494 | |
c9f8735b JW |
495 | if (!(ndlp->nlp_type & NLP_FABRIC) || |
496 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 497 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 498 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
499 | spin_lock_irq(phba->host->host_lock); | |
500 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
501 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 502 | |
5024ab17 JW |
503 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
504 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
c9f8735b JW |
505 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
506 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
507 | } else { | |
5024ab17 | 508 | ndlp->nlp_prev_state = ndlp->nlp_state; |
c9f8735b JW |
509 | ndlp->nlp_state = NLP_STE_UNUSED_NODE; |
510 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); | |
511 | } | |
dea3101e | 512 | |
c9f8735b | 513 | spin_lock_irq(phba->host->host_lock); |
dea3101e | 514 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
c9f8735b | 515 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 516 | /* The driver has to wait until the ACC completes before it continues |
517 | * processing the LOGO. The action will resume in | |
518 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
519 | * unreg_login, the driver waits so the ACC does not get aborted. | |
520 | */ | |
c9f8735b | 521 | return 0; |
dea3101e | 522 | } |
523 | ||
524 | static void | |
525 | lpfc_rcv_prli(struct lpfc_hba * phba, | |
526 | struct lpfc_nodelist * ndlp, | |
527 | struct lpfc_iocbq *cmdiocb) | |
528 | { | |
529 | struct lpfc_dmabuf *pcmd; | |
530 | uint32_t *lp; | |
531 | PRLI *npr; | |
532 | struct fc_rport *rport = ndlp->rport; | |
533 | u32 roles; | |
534 | ||
535 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
536 | lp = (uint32_t *) pcmd->virt; | |
537 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
538 | ||
539 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
540 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
541 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
542 | (npr->prliType == PRLI_FCP_TYPE)) { | |
543 | if (npr->initiatorFunc) | |
544 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
545 | if (npr->targetFunc) | |
546 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
547 | if (npr->Retry) | |
548 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
549 | } | |
550 | if (rport) { | |
551 | /* We need to update the rport role values */ | |
552 | roles = FC_RPORT_ROLE_UNKNOWN; | |
553 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
554 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
555 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
556 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
557 | fc_remote_port_rolechg(rport, roles); | |
558 | } | |
559 | } | |
560 | ||
561 | static uint32_t | |
562 | lpfc_disc_set_adisc(struct lpfc_hba * phba, | |
563 | struct lpfc_nodelist * ndlp) | |
564 | { | |
565 | /* Check config parameter use-adisc or FCP-2 */ | |
566 | if ((phba->cfg_use_adisc == 0) && | |
567 | !(phba->fc_flag & FC_RSCN_MODE)) { | |
568 | if (!(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) | |
c9f8735b | 569 | return 0; |
dea3101e | 570 | } |
571 | spin_lock_irq(phba->host->host_lock); | |
572 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
573 | spin_unlock_irq(phba->host->host_lock); | |
c9f8735b | 574 | return 1; |
dea3101e | 575 | } |
576 | ||
577 | static uint32_t | |
578 | lpfc_disc_illegal(struct lpfc_hba * phba, | |
579 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
580 | { | |
581 | lpfc_printf_log(phba, | |
582 | KERN_ERR, | |
583 | LOG_DISCOVERY, | |
584 | "%d:0253 Illegal State Transition: node x%x event x%x, " | |
585 | "state x%x Data: x%x x%x\n", | |
586 | phba->brd_no, | |
587 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
588 | ndlp->nlp_flag); | |
c9f8735b | 589 | return ndlp->nlp_state; |
dea3101e | 590 | } |
591 | ||
592 | /* Start of Discovery State Machine routines */ | |
593 | ||
594 | static uint32_t | |
595 | lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba, | |
596 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
597 | { | |
598 | struct lpfc_iocbq *cmdiocb; | |
599 | ||
600 | cmdiocb = (struct lpfc_iocbq *) arg; | |
601 | ||
602 | if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { | |
5024ab17 | 603 | ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; |
dea3101e | 604 | ndlp->nlp_state = NLP_STE_UNUSED_NODE; |
605 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); | |
c9f8735b | 606 | return ndlp->nlp_state; |
dea3101e | 607 | } |
608 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
c9f8735b | 609 | return NLP_STE_FREED_NODE; |
dea3101e | 610 | } |
611 | ||
612 | static uint32_t | |
613 | lpfc_rcv_els_unused_node(struct lpfc_hba * phba, | |
614 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
615 | { | |
616 | lpfc_issue_els_logo(phba, ndlp, 0); | |
617 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); | |
c9f8735b | 618 | return ndlp->nlp_state; |
dea3101e | 619 | } |
620 | ||
621 | static uint32_t | |
622 | lpfc_rcv_logo_unused_node(struct lpfc_hba * phba, | |
623 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
624 | { | |
625 | struct lpfc_iocbq *cmdiocb; | |
626 | ||
627 | cmdiocb = (struct lpfc_iocbq *) arg; | |
628 | ||
629 | spin_lock_irq(phba->host->host_lock); | |
630 | ndlp->nlp_flag |= NLP_LOGO_ACC; | |
631 | spin_unlock_irq(phba->host->host_lock); | |
632 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); | |
633 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); | |
634 | ||
c9f8735b | 635 | return ndlp->nlp_state; |
dea3101e | 636 | } |
637 | ||
638 | static uint32_t | |
639 | lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba, | |
640 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
641 | { | |
642 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
c9f8735b | 643 | return NLP_STE_FREED_NODE; |
dea3101e | 644 | } |
645 | ||
646 | static uint32_t | |
647 | lpfc_device_rm_unused_node(struct lpfc_hba * phba, | |
648 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
649 | { | |
650 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
c9f8735b | 651 | return NLP_STE_FREED_NODE; |
dea3101e | 652 | } |
653 | ||
654 | static uint32_t | |
655 | lpfc_rcv_plogi_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
656 | void *arg, uint32_t evt) | |
657 | { | |
658 | struct lpfc_iocbq *cmdiocb = arg; | |
659 | struct lpfc_dmabuf *pcmd; | |
660 | struct serv_parm *sp; | |
661 | uint32_t *lp; | |
662 | struct ls_rjt stat; | |
663 | int port_cmp; | |
664 | ||
665 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
666 | lp = (uint32_t *) pcmd->virt; | |
667 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
668 | ||
669 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
670 | ||
671 | /* For a PLOGI, we only accept if our portname is less | |
672 | * than the remote portname. | |
673 | */ | |
674 | phba->fc_stat.elsLogiCol++; | |
675 | port_cmp = memcmp(&phba->fc_portname, &sp->portName, | |
676 | sizeof (struct lpfc_name)); | |
677 | ||
678 | if (port_cmp >= 0) { | |
679 | /* Reject this request because the remote node will accept | |
680 | ours */ | |
681 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
682 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
683 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
2fe165b6 | 684 | } else { |
dea3101e | 685 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); |
686 | } /* if our portname was less */ | |
687 | ||
c9f8735b JW |
688 | return ndlp->nlp_state; |
689 | } | |
690 | ||
691 | static uint32_t | |
692 | lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba, | |
693 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
694 | { | |
695 | struct lpfc_iocbq *cmdiocb; | |
696 | ||
697 | cmdiocb = (struct lpfc_iocbq *) arg; | |
698 | ||
699 | /* software abort outstanding PLOGI */ | |
700 | lpfc_els_abort(phba, ndlp, 1); | |
701 | ||
82d9a2a2 | 702 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 703 | return ndlp->nlp_state; |
dea3101e | 704 | } |
705 | ||
706 | static uint32_t | |
707 | lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, | |
708 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
709 | { | |
710 | struct lpfc_iocbq *cmdiocb; | |
711 | ||
712 | cmdiocb = (struct lpfc_iocbq *) arg; | |
713 | ||
714 | /* software abort outstanding PLOGI */ | |
715 | lpfc_els_abort(phba, ndlp, 1); | |
dea3101e | 716 | |
717 | if (evt == NLP_EVT_RCV_LOGO) { | |
718 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); | |
2fe165b6 | 719 | } else { |
dea3101e | 720 | lpfc_issue_els_logo(phba, ndlp, 0); |
721 | } | |
722 | ||
723 | /* Put ndlp in npr list set plogi timer for 1 sec */ | |
5024ab17 JW |
724 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
725 | spin_lock_irq(phba->host->host_lock); | |
726 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
727 | spin_unlock_irq(phba->host->host_lock); | |
728 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; | |
729 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
dea3101e | 730 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
731 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
732 | ||
c9f8735b | 733 | return ndlp->nlp_state; |
dea3101e | 734 | } |
735 | ||
736 | static uint32_t | |
737 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, | |
738 | struct lpfc_nodelist * ndlp, void *arg, | |
739 | uint32_t evt) | |
740 | { | |
741 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
14691150 | 742 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 743 | uint32_t *lp; |
744 | IOCB_t *irsp; | |
745 | struct serv_parm *sp; | |
746 | LPFC_MBOXQ_t *mbox; | |
747 | ||
748 | cmdiocb = (struct lpfc_iocbq *) arg; | |
749 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
750 | ||
751 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 752 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 753 | return ndlp->nlp_state; |
dea3101e | 754 | } |
755 | ||
756 | irsp = &rspiocb->iocb; | |
757 | ||
758 | if (irsp->ulpStatus) | |
759 | goto out; | |
760 | ||
761 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
762 | ||
763 | prsp = list_get_first(&pcmd->list, | |
764 | struct lpfc_dmabuf, | |
765 | list); | |
766 | lp = (uint32_t *) prsp->virt; | |
767 | ||
768 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
769 | if (!lpfc_check_sparm(phba, ndlp, sp, CLASS3)) | |
770 | goto out; | |
771 | ||
772 | /* PLOGI chkparm OK */ | |
773 | lpfc_printf_log(phba, | |
774 | KERN_INFO, | |
775 | LOG_ELS, | |
776 | "%d:0121 PLOGI chkparm OK " | |
777 | "Data: x%x x%x x%x x%x\n", | |
778 | phba->brd_no, | |
779 | ndlp->nlp_DID, ndlp->nlp_state, | |
780 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
781 | ||
782 | if ((phba->cfg_fcp_class == 2) && | |
783 | (sp->cls2.classValid)) { | |
784 | ndlp->nlp_fcp_info |= CLASS2; | |
785 | } else { | |
786 | ndlp->nlp_fcp_info |= CLASS3; | |
787 | } | |
788 | ndlp->nlp_class_sup = 0; | |
789 | if (sp->cls1.classValid) | |
790 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
791 | if (sp->cls2.classValid) | |
792 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
793 | if (sp->cls3.classValid) | |
794 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
795 | if (sp->cls4.classValid) | |
796 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
797 | ndlp->nlp_maxframe = | |
798 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
799 | sp->cmn.bbRcvSizeLsb; | |
800 | ||
801 | if (!(mbox = mempool_alloc(phba->mbox_mem_pool, | |
802 | GFP_KERNEL))) | |
803 | goto out; | |
804 | ||
805 | lpfc_unreg_rpi(phba, ndlp); | |
806 | if (lpfc_reg_login | |
807 | (phba, irsp->un.elsreq64.remoteID, | |
808 | (uint8_t *) sp, mbox, 0) == 0) { | |
2fe165b6 | 809 | switch (ndlp->nlp_DID) { |
dea3101e | 810 | case NameServer_DID: |
811 | mbox->mbox_cmpl = | |
812 | lpfc_mbx_cmpl_ns_reg_login; | |
813 | break; | |
814 | case FDMI_DID: | |
815 | mbox->mbox_cmpl = | |
816 | lpfc_mbx_cmpl_fdmi_reg_login; | |
817 | break; | |
818 | default: | |
819 | mbox->mbox_cmpl = | |
820 | lpfc_mbx_cmpl_reg_login; | |
821 | } | |
822 | mbox->context2 = ndlp; | |
823 | if (lpfc_sli_issue_mbox(phba, mbox, | |
824 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
825 | != MBX_NOT_FINISHED) { | |
826 | ndlp->nlp_state = | |
827 | NLP_STE_REG_LOGIN_ISSUE; | |
828 | lpfc_nlp_list(phba, ndlp, | |
829 | NLP_REGLOGIN_LIST); | |
c9f8735b | 830 | return ndlp->nlp_state; |
dea3101e | 831 | } |
14691150 JS |
832 | mp = (struct lpfc_dmabuf *)mbox->context1; |
833 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
834 | kfree(mp); | |
dea3101e | 835 | mempool_free(mbox, phba->mbox_mem_pool); |
836 | } else { | |
837 | mempool_free(mbox, phba->mbox_mem_pool); | |
838 | } | |
839 | ||
840 | ||
841 | out: | |
842 | /* Free this node since the driver cannot login or has the wrong | |
843 | sparm */ | |
844 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
c9f8735b | 845 | return NLP_STE_FREED_NODE; |
dea3101e | 846 | } |
847 | ||
848 | static uint32_t | |
849 | lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, | |
850 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
851 | { | |
a0f9b48d JS |
852 | if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
853 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; | |
854 | return ndlp->nlp_state; | |
855 | } | |
856 | else { | |
857 | /* software abort outstanding PLOGI */ | |
858 | lpfc_els_abort(phba, ndlp, 1); | |
dea3101e | 859 | |
a0f9b48d JS |
860 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
861 | return NLP_STE_FREED_NODE; | |
862 | } | |
dea3101e | 863 | } |
864 | ||
865 | static uint32_t | |
866 | lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, | |
867 | struct lpfc_nodelist * ndlp, void *arg, | |
868 | uint32_t evt) | |
869 | { | |
870 | /* software abort outstanding PLOGI */ | |
871 | lpfc_els_abort(phba, ndlp, 1); | |
872 | ||
5024ab17 | 873 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
dea3101e | 874 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
875 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
876 | spin_lock_irq(phba->host->host_lock); | |
a0f9b48d | 877 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
dea3101e | 878 | spin_unlock_irq(phba->host->host_lock); |
879 | ||
c9f8735b | 880 | return ndlp->nlp_state; |
dea3101e | 881 | } |
882 | ||
883 | static uint32_t | |
884 | lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, | |
885 | struct lpfc_nodelist * ndlp, void *arg, | |
886 | uint32_t evt) | |
887 | { | |
888 | struct lpfc_iocbq *cmdiocb; | |
889 | ||
890 | /* software abort outstanding ADISC */ | |
891 | lpfc_els_abort(phba, ndlp, 1); | |
892 | ||
893 | cmdiocb = (struct lpfc_iocbq *) arg; | |
894 | ||
895 | if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { | |
c9f8735b | 896 | return ndlp->nlp_state; |
dea3101e | 897 | } |
5024ab17 | 898 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
dea3101e | 899 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
900 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
488d1469 | 901 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); |
dea3101e | 902 | |
c9f8735b | 903 | return ndlp->nlp_state; |
dea3101e | 904 | } |
905 | ||
906 | static uint32_t | |
907 | lpfc_rcv_prli_adisc_issue(struct lpfc_hba * phba, | |
908 | struct lpfc_nodelist * ndlp, void *arg, | |
909 | uint32_t evt) | |
910 | { | |
911 | struct lpfc_iocbq *cmdiocb; | |
912 | ||
913 | cmdiocb = (struct lpfc_iocbq *) arg; | |
914 | ||
915 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); | |
c9f8735b | 916 | return ndlp->nlp_state; |
dea3101e | 917 | } |
918 | ||
919 | static uint32_t | |
920 | lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, | |
921 | struct lpfc_nodelist * ndlp, void *arg, | |
922 | uint32_t evt) | |
923 | { | |
924 | struct lpfc_iocbq *cmdiocb; | |
925 | ||
926 | cmdiocb = (struct lpfc_iocbq *) arg; | |
927 | ||
928 | /* software abort outstanding ADISC */ | |
929 | lpfc_els_abort(phba, ndlp, 0); | |
930 | ||
82d9a2a2 | 931 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 932 | return ndlp->nlp_state; |
dea3101e | 933 | } |
934 | ||
935 | static uint32_t | |
936 | lpfc_rcv_padisc_adisc_issue(struct lpfc_hba * phba, | |
937 | struct lpfc_nodelist * ndlp, void *arg, | |
938 | uint32_t evt) | |
939 | { | |
940 | struct lpfc_iocbq *cmdiocb; | |
941 | ||
942 | cmdiocb = (struct lpfc_iocbq *) arg; | |
943 | ||
944 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); | |
c9f8735b | 945 | return ndlp->nlp_state; |
dea3101e | 946 | } |
947 | ||
948 | static uint32_t | |
949 | lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba, | |
950 | struct lpfc_nodelist * ndlp, void *arg, | |
951 | uint32_t evt) | |
952 | { | |
953 | struct lpfc_iocbq *cmdiocb; | |
954 | ||
955 | cmdiocb = (struct lpfc_iocbq *) arg; | |
956 | ||
957 | /* Treat like rcv logo */ | |
82d9a2a2 | 958 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 959 | return ndlp->nlp_state; |
dea3101e | 960 | } |
961 | ||
962 | static uint32_t | |
963 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, | |
964 | struct lpfc_nodelist * ndlp, void *arg, | |
965 | uint32_t evt) | |
966 | { | |
967 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
968 | IOCB_t *irsp; | |
969 | ADISC *ap; | |
970 | ||
971 | cmdiocb = (struct lpfc_iocbq *) arg; | |
972 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
973 | ||
974 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
975 | irsp = &rspiocb->iocb; | |
976 | ||
977 | if ((irsp->ulpStatus) || | |
978 | (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) { | |
dea3101e | 979 | /* 1 sec timeout */ |
980 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
981 | spin_lock_irq(phba->host->host_lock); | |
982 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
983 | spin_unlock_irq(phba->host->host_lock); | |
5024ab17 | 984 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 985 | |
986 | memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name)); | |
987 | memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); | |
988 | ||
5024ab17 | 989 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
dea3101e | 990 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
991 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
992 | lpfc_unreg_rpi(phba, ndlp); | |
c9f8735b | 993 | return ndlp->nlp_state; |
dea3101e | 994 | } |
5024ab17 | 995 | |
2501322e | 996 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 997 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2501322e JSEC |
998 | ndlp->nlp_state = NLP_STE_MAPPED_NODE; |
999 | lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); | |
1000 | } else { | |
5024ab17 | 1001 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2501322e JSEC |
1002 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
1003 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
1004 | } | |
c9f8735b | 1005 | return ndlp->nlp_state; |
dea3101e | 1006 | } |
1007 | ||
1008 | static uint32_t | |
1009 | lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, | |
1010 | struct lpfc_nodelist * ndlp, void *arg, | |
1011 | uint32_t evt) | |
1012 | { | |
a0f9b48d JS |
1013 | if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
1014 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; | |
1015 | return ndlp->nlp_state; | |
1016 | } | |
1017 | else { | |
1018 | /* software abort outstanding ADISC */ | |
1019 | lpfc_els_abort(phba, ndlp, 1); | |
dea3101e | 1020 | |
a0f9b48d JS |
1021 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
1022 | return NLP_STE_FREED_NODE; | |
1023 | } | |
dea3101e | 1024 | } |
1025 | ||
1026 | static uint32_t | |
1027 | lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, | |
1028 | struct lpfc_nodelist * ndlp, void *arg, | |
1029 | uint32_t evt) | |
1030 | { | |
1031 | /* software abort outstanding ADISC */ | |
1032 | lpfc_els_abort(phba, ndlp, 1); | |
1033 | ||
5024ab17 | 1034 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
dea3101e | 1035 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1036 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1037 | spin_lock_irq(phba->host->host_lock); | |
a0f9b48d | 1038 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
c9f8735b | 1039 | ndlp->nlp_flag |= NLP_NPR_ADISC; |
dea3101e | 1040 | spin_unlock_irq(phba->host->host_lock); |
1041 | ||
c9f8735b | 1042 | return ndlp->nlp_state; |
dea3101e | 1043 | } |
1044 | ||
1045 | static uint32_t | |
1046 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_hba * phba, | |
1047 | struct lpfc_nodelist * ndlp, void *arg, | |
1048 | uint32_t evt) | |
1049 | { | |
1050 | struct lpfc_iocbq *cmdiocb; | |
1051 | ||
1052 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1053 | ||
1054 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); | |
c9f8735b | 1055 | return ndlp->nlp_state; |
dea3101e | 1056 | } |
1057 | ||
1058 | static uint32_t | |
1059 | lpfc_rcv_prli_reglogin_issue(struct lpfc_hba * phba, | |
1060 | struct lpfc_nodelist * ndlp, void *arg, | |
1061 | uint32_t evt) | |
1062 | { | |
1063 | struct lpfc_iocbq *cmdiocb; | |
1064 | ||
1065 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1066 | ||
1067 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); | |
c9f8735b | 1068 | return ndlp->nlp_state; |
dea3101e | 1069 | } |
1070 | ||
1071 | static uint32_t | |
1072 | lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, | |
1073 | struct lpfc_nodelist * ndlp, void *arg, | |
1074 | uint32_t evt) | |
1075 | { | |
1076 | struct lpfc_iocbq *cmdiocb; | |
1077 | ||
1078 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1079 | ||
82d9a2a2 | 1080 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1081 | return ndlp->nlp_state; |
dea3101e | 1082 | } |
1083 | ||
1084 | static uint32_t | |
1085 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_hba * phba, | |
1086 | struct lpfc_nodelist * ndlp, void *arg, | |
1087 | uint32_t evt) | |
1088 | { | |
1089 | struct lpfc_iocbq *cmdiocb; | |
1090 | ||
1091 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1092 | ||
1093 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); | |
c9f8735b | 1094 | return ndlp->nlp_state; |
dea3101e | 1095 | } |
1096 | ||
1097 | static uint32_t | |
1098 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba, | |
1099 | struct lpfc_nodelist * ndlp, void *arg, | |
1100 | uint32_t evt) | |
1101 | { | |
1102 | struct lpfc_iocbq *cmdiocb; | |
1103 | ||
1104 | cmdiocb = (struct lpfc_iocbq *) arg; | |
82d9a2a2 | 1105 | lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 1106 | return ndlp->nlp_state; |
dea3101e | 1107 | } |
1108 | ||
1109 | static uint32_t | |
1110 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, | |
1111 | struct lpfc_nodelist * ndlp, | |
1112 | void *arg, uint32_t evt) | |
1113 | { | |
1114 | LPFC_MBOXQ_t *pmb; | |
1115 | MAILBOX_t *mb; | |
1116 | uint32_t did; | |
1117 | ||
1118 | pmb = (LPFC_MBOXQ_t *) arg; | |
1119 | mb = &pmb->mb; | |
1120 | did = mb->un.varWords[1]; | |
1121 | if (mb->mbxStatus) { | |
1122 | /* RegLogin failed */ | |
1123 | lpfc_printf_log(phba, | |
1124 | KERN_ERR, | |
1125 | LOG_DISCOVERY, | |
1126 | "%d:0246 RegLogin failed Data: x%x x%x x%x\n", | |
1127 | phba->brd_no, | |
1128 | did, mb->mbxStatus, phba->hba_state); | |
1129 | ||
d0e56dad JS |
1130 | /* |
1131 | * If RegLogin failed due to lack of HBA resources do not | |
1132 | * retry discovery. | |
1133 | */ | |
1134 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
1135 | ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; | |
1136 | ndlp->nlp_state = NLP_STE_UNUSED_NODE; | |
1137 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); | |
1138 | return ndlp->nlp_state; | |
1139 | } | |
1140 | ||
5024ab17 | 1141 | /* Put ndlp in npr list set plogi timer for 1 sec */ |
dea3101e | 1142 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
1143 | spin_lock_irq(phba->host->host_lock); | |
1144 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
1145 | spin_unlock_irq(phba->host->host_lock); | |
5024ab17 | 1146 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1147 | |
1148 | lpfc_issue_els_logo(phba, ndlp, 0); | |
5024ab17 | 1149 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
dea3101e | 1150 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1151 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
c9f8735b | 1152 | return ndlp->nlp_state; |
dea3101e | 1153 | } |
1154 | ||
dea3101e | 1155 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1156 | |
1157 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1158 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1159 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
dea3101e | 1160 | ndlp->nlp_state = NLP_STE_PRLI_ISSUE; |
1161 | lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); | |
1162 | lpfc_issue_els_prli(phba, ndlp, 0); | |
1163 | } else { | |
5024ab17 | 1164 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
dea3101e | 1165 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
1166 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
1167 | } | |
c9f8735b | 1168 | return ndlp->nlp_state; |
dea3101e | 1169 | } |
1170 | ||
1171 | static uint32_t | |
1172 | lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, | |
1173 | struct lpfc_nodelist * ndlp, void *arg, | |
1174 | uint32_t evt) | |
1175 | { | |
a0f9b48d JS |
1176 | if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
1177 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; | |
1178 | return ndlp->nlp_state; | |
1179 | } | |
1180 | else { | |
1181 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1182 | return NLP_STE_FREED_NODE; | |
1183 | } | |
dea3101e | 1184 | } |
1185 | ||
1186 | static uint32_t | |
1187 | lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, | |
1188 | struct lpfc_nodelist * ndlp, void *arg, | |
1189 | uint32_t evt) | |
1190 | { | |
5024ab17 | 1191 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
dea3101e | 1192 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1193 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1194 | spin_lock_irq(phba->host->host_lock); | |
a0f9b48d | 1195 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
dea3101e | 1196 | spin_unlock_irq(phba->host->host_lock); |
c9f8735b | 1197 | return ndlp->nlp_state; |
dea3101e | 1198 | } |
1199 | ||
1200 | static uint32_t | |
1201 | lpfc_rcv_plogi_prli_issue(struct lpfc_hba * phba, | |
1202 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1203 | { | |
1204 | struct lpfc_iocbq *cmdiocb; | |
1205 | ||
1206 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1207 | ||
1208 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); | |
c9f8735b | 1209 | return ndlp->nlp_state; |
dea3101e | 1210 | } |
1211 | ||
1212 | static uint32_t | |
1213 | lpfc_rcv_prli_prli_issue(struct lpfc_hba * phba, | |
1214 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1215 | { | |
1216 | struct lpfc_iocbq *cmdiocb; | |
1217 | ||
1218 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1219 | ||
1220 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); | |
c9f8735b | 1221 | return ndlp->nlp_state; |
dea3101e | 1222 | } |
1223 | ||
1224 | static uint32_t | |
1225 | lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, | |
1226 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1227 | { | |
1228 | struct lpfc_iocbq *cmdiocb; | |
1229 | ||
1230 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1231 | ||
1232 | /* Software abort outstanding PRLI before sending acc */ | |
1233 | lpfc_els_abort(phba, ndlp, 1); | |
1234 | ||
82d9a2a2 | 1235 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1236 | return ndlp->nlp_state; |
dea3101e | 1237 | } |
1238 | ||
1239 | static uint32_t | |
1240 | lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba, | |
1241 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1242 | { | |
1243 | struct lpfc_iocbq *cmdiocb; | |
1244 | ||
1245 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1246 | ||
1247 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); | |
c9f8735b | 1248 | return ndlp->nlp_state; |
dea3101e | 1249 | } |
1250 | ||
1251 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1252 | * we are logged into. We should send back a PRLO rsp setting the | |
1253 | * appropriate bits. | |
1254 | * NEXT STATE = PRLI_ISSUE | |
1255 | */ | |
1256 | static uint32_t | |
1257 | lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba, | |
1258 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1259 | { | |
1260 | struct lpfc_iocbq *cmdiocb; | |
1261 | ||
1262 | cmdiocb = (struct lpfc_iocbq *) arg; | |
82d9a2a2 | 1263 | lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 1264 | return ndlp->nlp_state; |
dea3101e | 1265 | } |
1266 | ||
1267 | static uint32_t | |
1268 | lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, | |
1269 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1270 | { | |
1271 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
1272 | IOCB_t *irsp; | |
1273 | PRLI *npr; | |
1274 | ||
1275 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1276 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1277 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1278 | ||
1279 | irsp = &rspiocb->iocb; | |
1280 | if (irsp->ulpStatus) { | |
5024ab17 | 1281 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
dea3101e | 1282 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
1283 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
c9f8735b | 1284 | return ndlp->nlp_state; |
dea3101e | 1285 | } |
1286 | ||
1287 | /* Check out PRLI rsp */ | |
1288 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1289 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1290 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1291 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1292 | if (npr->initiatorFunc) | |
1293 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1294 | if (npr->targetFunc) | |
1295 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1296 | if (npr->Retry) | |
1297 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1298 | } | |
1299 | ||
5024ab17 | 1300 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
dea3101e | 1301 | ndlp->nlp_state = NLP_STE_MAPPED_NODE; |
1302 | lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); | |
c9f8735b | 1303 | return ndlp->nlp_state; |
dea3101e | 1304 | } |
1305 | ||
1306 | /*! lpfc_device_rm_prli_issue | |
1307 | * | |
1308 | * \pre | |
1309 | * \post | |
1310 | * \param phba | |
1311 | * \param ndlp | |
1312 | * \param arg | |
1313 | * \param evt | |
1314 | * \return uint32_t | |
1315 | * | |
1316 | * \b Description: | |
1317 | * This routine is envoked when we a request to remove a nport we are in the | |
1318 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1319 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1320 | * on plogi list so it can be freed when LOGO completes. | |
1321 | * | |
1322 | */ | |
1323 | static uint32_t | |
1324 | lpfc_device_rm_prli_issue(struct lpfc_hba * phba, | |
1325 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1326 | { | |
a0f9b48d JS |
1327 | if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
1328 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; | |
1329 | return ndlp->nlp_state; | |
1330 | } | |
1331 | else { | |
1332 | /* software abort outstanding PLOGI */ | |
1333 | lpfc_els_abort(phba, ndlp, 1); | |
dea3101e | 1334 | |
a0f9b48d JS |
1335 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
1336 | return NLP_STE_FREED_NODE; | |
1337 | } | |
dea3101e | 1338 | } |
1339 | ||
1340 | ||
1341 | /*! lpfc_device_recov_prli_issue | |
1342 | * | |
1343 | * \pre | |
1344 | * \post | |
1345 | * \param phba | |
1346 | * \param ndlp | |
1347 | * \param arg | |
1348 | * \param evt | |
1349 | * \return uint32_t | |
1350 | * | |
1351 | * \b Description: | |
1352 | * The routine is envoked when the state of a device is unknown, like | |
1353 | * during a link down. We should remove the nodelist entry from the | |
1354 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1355 | * outstanding PRLI command, then free the node entry. | |
1356 | */ | |
1357 | static uint32_t | |
1358 | lpfc_device_recov_prli_issue(struct lpfc_hba * phba, | |
1359 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1360 | { | |
1361 | /* software abort outstanding PRLI */ | |
1362 | lpfc_els_abort(phba, ndlp, 1); | |
1363 | ||
5024ab17 | 1364 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
dea3101e | 1365 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1366 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1367 | spin_lock_irq(phba->host->host_lock); | |
a0f9b48d | 1368 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
dea3101e | 1369 | spin_unlock_irq(phba->host->host_lock); |
c9f8735b | 1370 | return ndlp->nlp_state; |
dea3101e | 1371 | } |
1372 | ||
1373 | static uint32_t | |
1374 | lpfc_rcv_plogi_unmap_node(struct lpfc_hba * phba, | |
1375 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1376 | { | |
1377 | struct lpfc_iocbq *cmdiocb; | |
1378 | ||
1379 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1380 | ||
1381 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); | |
c9f8735b | 1382 | return ndlp->nlp_state; |
dea3101e | 1383 | } |
1384 | ||
1385 | static uint32_t | |
1386 | lpfc_rcv_prli_unmap_node(struct lpfc_hba * phba, | |
1387 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1388 | { | |
1389 | struct lpfc_iocbq *cmdiocb; | |
1390 | ||
1391 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1392 | ||
1393 | lpfc_rcv_prli(phba, ndlp, cmdiocb); | |
1394 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); | |
c9f8735b | 1395 | return ndlp->nlp_state; |
dea3101e | 1396 | } |
1397 | ||
1398 | static uint32_t | |
1399 | lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba, | |
1400 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1401 | { | |
1402 | struct lpfc_iocbq *cmdiocb; | |
1403 | ||
1404 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1405 | ||
82d9a2a2 | 1406 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1407 | return ndlp->nlp_state; |
dea3101e | 1408 | } |
1409 | ||
1410 | static uint32_t | |
1411 | lpfc_rcv_padisc_unmap_node(struct lpfc_hba * phba, | |
1412 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1413 | { | |
1414 | struct lpfc_iocbq *cmdiocb; | |
1415 | ||
1416 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1417 | ||
1418 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); | |
c9f8735b | 1419 | return ndlp->nlp_state; |
dea3101e | 1420 | } |
1421 | ||
1422 | static uint32_t | |
1423 | lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba, | |
1424 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1425 | { | |
1426 | struct lpfc_iocbq *cmdiocb; | |
1427 | ||
1428 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1429 | ||
82d9a2a2 | 1430 | lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 1431 | return ndlp->nlp_state; |
dea3101e | 1432 | } |
1433 | ||
1434 | static uint32_t | |
1435 | lpfc_device_recov_unmap_node(struct lpfc_hba * phba, | |
1436 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1437 | { | |
5024ab17 | 1438 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
dea3101e | 1439 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1440 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
a0f9b48d | 1441 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
dea3101e | 1442 | lpfc_disc_set_adisc(phba, ndlp); |
1443 | ||
c9f8735b | 1444 | return ndlp->nlp_state; |
dea3101e | 1445 | } |
1446 | ||
1447 | static uint32_t | |
1448 | lpfc_rcv_plogi_mapped_node(struct lpfc_hba * phba, | |
1449 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1450 | { | |
1451 | struct lpfc_iocbq *cmdiocb; | |
1452 | ||
1453 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1454 | ||
1455 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); | |
c9f8735b | 1456 | return ndlp->nlp_state; |
dea3101e | 1457 | } |
1458 | ||
1459 | static uint32_t | |
1460 | lpfc_rcv_prli_mapped_node(struct lpfc_hba * phba, | |
1461 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1462 | { | |
1463 | struct lpfc_iocbq *cmdiocb; | |
1464 | ||
1465 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1466 | ||
1467 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); | |
c9f8735b | 1468 | return ndlp->nlp_state; |
dea3101e | 1469 | } |
1470 | ||
1471 | static uint32_t | |
1472 | lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba, | |
1473 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1474 | { | |
1475 | struct lpfc_iocbq *cmdiocb; | |
1476 | ||
1477 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1478 | ||
82d9a2a2 | 1479 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1480 | return ndlp->nlp_state; |
dea3101e | 1481 | } |
1482 | ||
1483 | static uint32_t | |
1484 | lpfc_rcv_padisc_mapped_node(struct lpfc_hba * phba, | |
1485 | struct lpfc_nodelist * ndlp, void *arg, | |
1486 | uint32_t evt) | |
1487 | { | |
1488 | struct lpfc_iocbq *cmdiocb; | |
1489 | ||
1490 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1491 | ||
1492 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); | |
c9f8735b | 1493 | return ndlp->nlp_state; |
dea3101e | 1494 | } |
1495 | ||
1496 | static uint32_t | |
1497 | lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba, | |
1498 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1499 | { | |
1500 | struct lpfc_iocbq *cmdiocb; | |
1501 | ||
1502 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1503 | ||
1504 | /* flush the target */ | |
1505 | spin_lock_irq(phba->host->host_lock); | |
1506 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
1507 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
1508 | spin_unlock_irq(phba->host->host_lock); | |
1509 | ||
1510 | /* Treat like rcv logo */ | |
82d9a2a2 | 1511 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1512 | return ndlp->nlp_state; |
dea3101e | 1513 | } |
1514 | ||
1515 | static uint32_t | |
1516 | lpfc_device_recov_mapped_node(struct lpfc_hba * phba, | |
1517 | struct lpfc_nodelist * ndlp, void *arg, | |
1518 | uint32_t evt) | |
1519 | { | |
5024ab17 | 1520 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
dea3101e | 1521 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1522 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1523 | spin_lock_irq(phba->host->host_lock); | |
a0f9b48d | 1524 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
dea3101e | 1525 | spin_unlock_irq(phba->host->host_lock); |
1526 | lpfc_disc_set_adisc(phba, ndlp); | |
c9f8735b | 1527 | return ndlp->nlp_state; |
dea3101e | 1528 | } |
1529 | ||
1530 | static uint32_t | |
1531 | lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba, | |
1532 | struct lpfc_nodelist * ndlp, void *arg, | |
1533 | uint32_t evt) | |
1534 | { | |
1535 | struct lpfc_iocbq *cmdiocb; | |
1536 | ||
1537 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1538 | ||
1539 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
1540 | if (ndlp->nlp_flag & NLP_LOGO_SND) { | |
c9f8735b | 1541 | return ndlp->nlp_state; |
dea3101e | 1542 | } |
1543 | ||
1544 | if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { | |
1545 | spin_lock_irq(phba->host->host_lock); | |
fdcebe28 | 1546 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 1547 | spin_unlock_irq(phba->host->host_lock); |
c9f8735b | 1548 | return ndlp->nlp_state; |
dea3101e | 1549 | } |
1550 | ||
1551 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1552 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
488d1469 JS |
1553 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
1554 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; | |
1555 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
1556 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); | |
dea3101e | 1557 | } |
488d1469 | 1558 | |
c9f8735b | 1559 | return ndlp->nlp_state; |
dea3101e | 1560 | } |
1561 | ||
1562 | static uint32_t | |
1563 | lpfc_rcv_prli_npr_node(struct lpfc_hba * phba, | |
1564 | struct lpfc_nodelist * ndlp, void *arg, | |
1565 | uint32_t evt) | |
1566 | { | |
1567 | struct lpfc_iocbq *cmdiocb; | |
1568 | struct ls_rjt stat; | |
1569 | ||
1570 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1571 | ||
1572 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1573 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1574 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1575 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); | |
1576 | ||
1577 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1578 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
c9f8735b JW |
1579 | spin_lock_irq(phba->host->host_lock); |
1580 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1581 | spin_unlock_irq(phba->host->host_lock); | |
5024ab17 | 1582 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
dea3101e | 1583 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
1584 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); | |
1585 | lpfc_issue_els_adisc(phba, ndlp, 0); | |
1586 | } else { | |
5024ab17 | 1587 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
dea3101e | 1588 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
1589 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
488d1469 | 1590 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); |
dea3101e | 1591 | } |
488d1469 | 1592 | |
dea3101e | 1593 | } |
c9f8735b | 1594 | return ndlp->nlp_state; |
dea3101e | 1595 | } |
1596 | ||
1597 | static uint32_t | |
1598 | lpfc_rcv_logo_npr_node(struct lpfc_hba * phba, | |
1599 | struct lpfc_nodelist * ndlp, void *arg, | |
1600 | uint32_t evt) | |
1601 | { | |
1602 | struct lpfc_iocbq *cmdiocb; | |
1603 | ||
1604 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1605 | ||
82d9a2a2 | 1606 | lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1607 | return ndlp->nlp_state; |
dea3101e | 1608 | } |
1609 | ||
1610 | static uint32_t | |
1611 | lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, | |
1612 | struct lpfc_nodelist * ndlp, void *arg, | |
1613 | uint32_t evt) | |
1614 | { | |
1615 | struct lpfc_iocbq *cmdiocb; | |
1616 | ||
1617 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1618 | ||
1619 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); | |
1620 | ||
33ccf8d1 JS |
1621 | /* |
1622 | * Do not start discovery if discovery is about to start | |
1623 | * or discovery in progress for this node. Starting discovery | |
1624 | * here will affect the counting of discovery threads. | |
1625 | */ | |
2fb9bd8b JS |
1626 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
1627 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)){ | |
dea3101e | 1628 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
5024ab17 | 1629 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
dea3101e | 1630 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
1631 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); | |
1632 | lpfc_issue_els_adisc(phba, ndlp, 0); | |
1633 | } else { | |
5024ab17 | 1634 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
dea3101e | 1635 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
1636 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
488d1469 | 1637 | lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); |
dea3101e | 1638 | } |
1639 | } | |
c9f8735b | 1640 | return ndlp->nlp_state; |
dea3101e | 1641 | } |
1642 | ||
1643 | static uint32_t | |
1644 | lpfc_rcv_prlo_npr_node(struct lpfc_hba * phba, | |
1645 | struct lpfc_nodelist * ndlp, void *arg, | |
1646 | uint32_t evt) | |
1647 | { | |
1648 | struct lpfc_iocbq *cmdiocb; | |
1649 | ||
1650 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1651 | ||
c9f8735b JW |
1652 | spin_lock_irq(phba->host->host_lock); |
1653 | ndlp->nlp_flag |= NLP_LOGO_ACC; | |
1654 | spin_unlock_irq(phba->host->host_lock); | |
1655 | ||
dea3101e | 1656 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
1657 | ||
c9f8735b JW |
1658 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
1659 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); | |
1660 | spin_lock_irq(phba->host->host_lock); | |
1661 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
1662 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1663 | spin_unlock_irq(phba->host->host_lock); | |
5024ab17 | 1664 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b JW |
1665 | } else { |
1666 | spin_lock_irq(phba->host->host_lock); | |
1667 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1668 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 1669 | } |
c9f8735b JW |
1670 | return ndlp->nlp_state; |
1671 | } | |
dea3101e | 1672 | |
c9f8735b JW |
1673 | static uint32_t |
1674 | lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba, | |
1675 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1676 | { | |
1677 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1678 | IOCB_t *irsp; |
c9f8735b JW |
1679 | |
1680 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1681 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1682 | |
1683 | irsp = &rspiocb->iocb; | |
1684 | if (irsp->ulpStatus) { | |
1685 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1686 | return NLP_STE_FREED_NODE; | |
1687 | } | |
c9f8735b JW |
1688 | return ndlp->nlp_state; |
1689 | } | |
1690 | ||
1691 | static uint32_t | |
1692 | lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba, | |
1693 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1694 | { | |
1695 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1696 | IOCB_t *irsp; |
c9f8735b JW |
1697 | |
1698 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1699 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1700 | |
1701 | irsp = &rspiocb->iocb; | |
1702 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
1703 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1704 | return NLP_STE_FREED_NODE; | |
1705 | } | |
c9f8735b | 1706 | return ndlp->nlp_state; |
dea3101e | 1707 | } |
1708 | ||
1709 | static uint32_t | |
1710 | lpfc_cmpl_logo_npr_node(struct lpfc_hba * phba, | |
1711 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1712 | { | |
1713 | lpfc_unreg_rpi(phba, ndlp); | |
1714 | /* This routine does nothing, just return the current state */ | |
c9f8735b JW |
1715 | return ndlp->nlp_state; |
1716 | } | |
1717 | ||
1718 | static uint32_t | |
1719 | lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba, | |
1720 | struct lpfc_nodelist * ndlp, void *arg, | |
1721 | uint32_t evt) | |
1722 | { | |
1723 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1724 | IOCB_t *irsp; |
c9f8735b JW |
1725 | |
1726 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1727 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1728 | |
1729 | irsp = &rspiocb->iocb; | |
1730 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
1731 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1732 | return NLP_STE_FREED_NODE; | |
1733 | } | |
c9f8735b | 1734 | return ndlp->nlp_state; |
dea3101e | 1735 | } |
1736 | ||
1737 | static uint32_t | |
1738 | lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, | |
1739 | struct lpfc_nodelist * ndlp, void *arg, | |
1740 | uint32_t evt) | |
1741 | { | |
1742 | LPFC_MBOXQ_t *pmb; | |
1743 | MAILBOX_t *mb; | |
1744 | ||
1745 | pmb = (LPFC_MBOXQ_t *) arg; | |
1746 | mb = &pmb->mb; | |
1747 | ||
c9f8735b JW |
1748 | if (!mb->mbxStatus) |
1749 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
a0f9b48d JS |
1750 | else { |
1751 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { | |
1752 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1753 | return NLP_STE_FREED_NODE; | |
1754 | } | |
1755 | } | |
c9f8735b | 1756 | return ndlp->nlp_state; |
dea3101e | 1757 | } |
1758 | ||
1759 | static uint32_t | |
1760 | lpfc_device_rm_npr_node(struct lpfc_hba * phba, | |
1761 | struct lpfc_nodelist * ndlp, void *arg, | |
1762 | uint32_t evt) | |
1763 | { | |
a0f9b48d JS |
1764 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
1765 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; | |
1766 | return ndlp->nlp_state; | |
1767 | } | |
dea3101e | 1768 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
c9f8735b | 1769 | return NLP_STE_FREED_NODE; |
dea3101e | 1770 | } |
1771 | ||
1772 | static uint32_t | |
1773 | lpfc_device_recov_npr_node(struct lpfc_hba * phba, | |
1774 | struct lpfc_nodelist * ndlp, void *arg, | |
1775 | uint32_t evt) | |
1776 | { | |
1777 | spin_lock_irq(phba->host->host_lock); | |
a0f9b48d | 1778 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
fdcebe28 | 1779 | spin_unlock_irq(phba->host->host_lock); |
6ad42535 | 1780 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
fdcebe28 | 1781 | lpfc_cancel_retry_delay_tmo(phba, ndlp); |
6ad42535 | 1782 | } |
c9f8735b | 1783 | return ndlp->nlp_state; |
dea3101e | 1784 | } |
1785 | ||
1786 | ||
1787 | /* This next section defines the NPort Discovery State Machine */ | |
1788 | ||
1789 | /* There are 4 different double linked lists nodelist entries can reside on. | |
1790 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
1791 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
1792 | * or ADISC on. These lists will keep track of what nodes will be effected | |
1793 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
1794 | * The unmapped_list will contain all nodes that we have successfully logged | |
1795 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
1796 | * that are mapped FCP targets. | |
1797 | */ | |
1798 | /* | |
1799 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
1800 | * that we have saved binding information on. This information is used when | |
1801 | * nodes transition from the unmapped to the mapped list. | |
1802 | */ | |
1803 | /* For UNUSED_NODE state, the node has just been allocated . | |
1804 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
1805 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
1806 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
1807 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
1808 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
1809 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
1810 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
1811 | * node, the node is taken off the unmapped list. The binding list is checked | |
1812 | * for a valid binding, or a binding is automatically assigned. If binding | |
1813 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
1814 | * binding assignment is successful, the associated binding list entry (if | |
1815 | * any) is removed, and the node is placed on the mapped list. | |
1816 | */ | |
1817 | /* | |
1818 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 1819 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e | 1820 | * expire, all effected nodes will receive a DEVICE_RM event. |
1821 | */ | |
1822 | /* | |
1823 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
1824 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
1825 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
1826 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
1827 | * we will first process the ADISC list. 32 entries are processed initially and | |
1828 | * ADISC is initited for each one. Completions / Events for each node are | |
1829 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
1830 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
1831 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
1832 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
1833 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
1834 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
1835 | * Completions / Events for each node are funnelled thru the state machine. As | |
1836 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
1837 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
1838 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
1839 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
1840 | * unmapped lists. | |
1841 | */ | |
1842 | ||
1843 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
1844 | (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t) = { | |
1845 | /* Action routine Event Current State */ | |
1846 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
1847 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
1848 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
1849 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
1850 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
1851 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
1852 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1853 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1854 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
1855 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1856 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1857 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
1858 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
1859 | ||
1860 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
1861 | lpfc_rcv_els_plogi_issue, /* RCV_PRLI */ | |
c9f8735b | 1862 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e | 1863 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
1864 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
1865 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
1866 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
1867 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1868 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1869 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1870 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1871 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ | |
1872 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
1873 | ||
1874 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
1875 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
1876 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
1877 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
1878 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
1879 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
1880 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1881 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1882 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1883 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
1884 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1885 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
1886 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
1887 | ||
1888 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
1889 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
1890 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
1891 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
1892 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
1893 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
1894 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1895 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1896 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1897 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1898 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
1899 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
1900 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
1901 | ||
1902 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
1903 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
1904 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
1905 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
1906 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
1907 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
1908 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1909 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ | |
1910 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1911 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1912 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1913 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
1914 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
1915 | ||
1916 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
1917 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
1918 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
1919 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
1920 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
1921 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
1922 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1923 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1924 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1925 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1926 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1927 | lpfc_disc_illegal, /* DEVICE_RM */ | |
1928 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
1929 | ||
1930 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
1931 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
1932 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
1933 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
1934 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
1935 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
1936 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1937 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1938 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1939 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1940 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1941 | lpfc_disc_illegal, /* DEVICE_RM */ | |
1942 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
1943 | ||
1944 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
1945 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
1946 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
1947 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
1948 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
1949 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
1950 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
1951 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 1952 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 1953 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e | 1954 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
1955 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
1956 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
1957 | }; | |
1958 | ||
1959 | int | |
1960 | lpfc_disc_state_machine(struct lpfc_hba * phba, | |
1961 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) | |
1962 | { | |
1963 | uint32_t cur_state, rc; | |
1964 | uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, | |
1965 | uint32_t); | |
1966 | ||
1967 | ndlp->nlp_disc_refcnt++; | |
1968 | cur_state = ndlp->nlp_state; | |
1969 | ||
1970 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
1971 | lpfc_printf_log(phba, | |
1972 | KERN_INFO, | |
1973 | LOG_DISCOVERY, | |
1974 | "%d:0211 DSM in event x%x on NPort x%x in state %d " | |
1975 | "Data: x%x\n", | |
1976 | phba->brd_no, | |
1977 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
1978 | ||
1979 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; | |
1980 | rc = (func) (phba, ndlp, arg, evt); | |
1981 | ||
1982 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
1983 | lpfc_printf_log(phba, | |
1984 | KERN_INFO, | |
1985 | LOG_DISCOVERY, | |
1986 | "%d:0212 DSM out state %d on NPort x%x Data: x%x\n", | |
1987 | phba->brd_no, | |
1988 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
1989 | ||
1990 | ndlp->nlp_disc_refcnt--; | |
1991 | ||
1992 | /* Check to see if ndlp removal is deferred */ | |
1993 | if ((ndlp->nlp_disc_refcnt == 0) | |
1994 | && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { | |
1995 | spin_lock_irq(phba->host->host_lock); | |
1996 | ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; | |
1997 | spin_unlock_irq(phba->host->host_lock); | |
1998 | lpfc_nlp_remove(phba, ndlp); | |
c9f8735b | 1999 | return NLP_STE_FREED_NODE; |
dea3101e | 2000 | } |
2001 | if (rc == NLP_STE_FREED_NODE) | |
c9f8735b | 2002 | return NLP_STE_FREED_NODE; |
c9f8735b | 2003 | return rc; |
dea3101e | 2004 | } |