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92d7f7b0 | 1 | /******************************************************************* |
dea3101e | 2 | * This file is part of the Emulex Linux Device Driver for * |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d4379acd | 4 | * Copyright (C) 2004-2012 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> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
dea3101e | 25 | #include <linux/interrupt.h> |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_transport_fc.h> | |
31 | ||
da0436e9 | 32 | #include "lpfc_hw4.h" |
dea3101e | 33 | #include "lpfc_hw.h" |
34 | #include "lpfc_sli.h" | |
da0436e9 | 35 | #include "lpfc_sli4.h" |
ea2151b4 | 36 | #include "lpfc_nl.h" |
dea3101e | 37 | #include "lpfc_disc.h" |
38 | #include "lpfc_scsi.h" | |
39 | #include "lpfc.h" | |
40 | #include "lpfc_logmsg.h" | |
41 | #include "lpfc_crtn.h" | |
92d7f7b0 | 42 | #include "lpfc_vport.h" |
858c9f6c | 43 | #include "lpfc_debugfs.h" |
dea3101e | 44 | |
45 | ||
46 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
47 | static int | |
2e0fef85 JS |
48 | lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
49 | struct lpfc_name *nn, struct lpfc_name *pn) | |
dea3101e | 50 | { |
6b5151fd JS |
51 | /* First, we MUST have a RPI registered */ |
52 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) | |
53 | return 0; | |
54 | ||
dea3101e | 55 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node |
56 | * table entry for that node. | |
57 | */ | |
2e0fef85 | 58 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 59 | return 0; |
dea3101e | 60 | |
2e0fef85 | 61 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 62 | return 0; |
dea3101e | 63 | |
64 | /* we match, return success */ | |
c9f8735b | 65 | return 1; |
dea3101e | 66 | } |
67 | ||
dea3101e | 68 | int |
2e0fef85 | 69 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
341af102 | 70 | struct serv_parm *sp, uint32_t class, int flogi) |
dea3101e | 71 | { |
2e0fef85 | 72 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
73 | uint16_t hsp_value, ssp_value = 0; |
74 | ||
75 | /* | |
76 | * The receive data field size and buffer-to-buffer receive data field | |
77 | * size entries are 16 bits but are represented as two 8-bit fields in | |
78 | * the driver data structure to account for rsvd bits and other control | |
79 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
80 | * correcting the byte values. | |
81 | */ | |
dea3101e | 82 | if (sp->cls1.classValid) { |
341af102 JS |
83 | if (!flogi) { |
84 | hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) | | |
85 | hsp->cls1.rcvDataSizeLsb); | |
86 | ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) | | |
87 | sp->cls1.rcvDataSizeLsb); | |
88 | if (!ssp_value) | |
89 | goto bad_service_param; | |
90 | if (ssp_value > hsp_value) { | |
91 | sp->cls1.rcvDataSizeLsb = | |
92 | hsp->cls1.rcvDataSizeLsb; | |
93 | sp->cls1.rcvDataSizeMsb = | |
94 | hsp->cls1.rcvDataSizeMsb; | |
95 | } | |
2fb70f79 | 96 | } |
341af102 | 97 | } else if (class == CLASS1) |
92d7f7b0 | 98 | goto bad_service_param; |
dea3101e | 99 | if (sp->cls2.classValid) { |
341af102 JS |
100 | if (!flogi) { |
101 | hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) | | |
102 | hsp->cls2.rcvDataSizeLsb); | |
103 | ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) | | |
104 | sp->cls2.rcvDataSizeLsb); | |
105 | if (!ssp_value) | |
106 | goto bad_service_param; | |
107 | if (ssp_value > hsp_value) { | |
108 | sp->cls2.rcvDataSizeLsb = | |
109 | hsp->cls2.rcvDataSizeLsb; | |
110 | sp->cls2.rcvDataSizeMsb = | |
111 | hsp->cls2.rcvDataSizeMsb; | |
112 | } | |
2fb70f79 | 113 | } |
341af102 | 114 | } else if (class == CLASS2) |
92d7f7b0 | 115 | goto bad_service_param; |
dea3101e | 116 | if (sp->cls3.classValid) { |
341af102 JS |
117 | if (!flogi) { |
118 | hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) | | |
119 | hsp->cls3.rcvDataSizeLsb); | |
120 | ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) | | |
121 | sp->cls3.rcvDataSizeLsb); | |
122 | if (!ssp_value) | |
123 | goto bad_service_param; | |
124 | if (ssp_value > hsp_value) { | |
125 | sp->cls3.rcvDataSizeLsb = | |
126 | hsp->cls3.rcvDataSizeLsb; | |
127 | sp->cls3.rcvDataSizeMsb = | |
128 | hsp->cls3.rcvDataSizeMsb; | |
129 | } | |
2fb70f79 | 130 | } |
341af102 | 131 | } else if (class == CLASS3) |
92d7f7b0 | 132 | goto bad_service_param; |
dea3101e | 133 | |
2fb70f79 JSEC |
134 | /* |
135 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
136 | * These bits contain the Buffer-to-Buffer State Change Number | |
137 | * from the target and need to be passed to the FW. | |
138 | */ | |
139 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
140 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
141 | if (ssp_value > hsp_value) { | |
dea3101e | 142 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
143 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
144 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
145 | } | |
dea3101e | 146 | |
dea3101e | 147 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
148 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 149 | return 1; |
92d7f7b0 | 150 | bad_service_param: |
e8b62011 JS |
151 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
152 | "0207 Device %x " | |
153 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
154 | "invalid service parameters. Ignoring device.\n", | |
155 | ndlp->nlp_DID, | |
156 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
157 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
158 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
159 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
92d7f7b0 | 160 | return 0; |
dea3101e | 161 | } |
162 | ||
163 | static void * | |
2e0fef85 | 164 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 165 | struct lpfc_iocbq *rspiocb) |
dea3101e | 166 | { |
167 | struct lpfc_dmabuf *pcmd, *prsp; | |
168 | uint32_t *lp; | |
169 | void *ptr = NULL; | |
170 | IOCB_t *irsp; | |
171 | ||
172 | irsp = &rspiocb->iocb; | |
173 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
174 | ||
175 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
176 | * freeing associated memory till after ABTS completes. | |
177 | */ | |
178 | if (pcmd) { | |
179 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
180 | list); | |
181 | if (prsp) { | |
182 | lp = (uint32_t *) prsp->virt; | |
183 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
184 | } | |
2fe165b6 | 185 | } else { |
dea3101e | 186 | /* Force ulpStatus error since we are returning NULL ptr */ |
187 | if (!(irsp->ulpStatus)) { | |
188 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
189 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
190 | } | |
191 | ptr = NULL; | |
192 | } | |
c9f8735b | 193 | return ptr; |
dea3101e | 194 | } |
195 | ||
196 | ||
2a9bf3d0 | 197 | |
dea3101e | 198 | /* |
199 | * Free resources / clean up outstanding I/Os | |
200 | * associated with a LPFC_NODELIST entry. This | |
201 | * routine effectively results in a "software abort". | |
202 | */ | |
203 | int | |
2e0fef85 | 204 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 205 | { |
2534ba75 | 206 | LIST_HEAD(completions); |
2a9bf3d0 JS |
207 | LIST_HEAD(txcmplq_completions); |
208 | LIST_HEAD(abort_list); | |
2e0fef85 JS |
209 | struct lpfc_sli *psli = &phba->sli; |
210 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 211 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 212 | |
213 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 | 214 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
2a9bf3d0 | 215 | "2819 Abort outstanding I/O on NPort x%x " |
e8b62011 JS |
216 | "Data: x%x x%x x%x\n", |
217 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
218 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
219 | |
220 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 221 | |
dea3101e | 222 | /* First check the txq */ |
2e0fef85 | 223 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 224 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 225 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 226 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 227 | /* It matches, so deque and call compl with anp error */ |
2534ba75 | 228 | list_move_tail(&iocb->list, &completions); |
dea3101e | 229 | } |
2534ba75 | 230 | } |
dea3101e | 231 | |
dea3101e | 232 | /* Next check the txcmplq */ |
2a9bf3d0 JS |
233 | list_splice_init(&pring->txcmplq, &txcmplq_completions); |
234 | spin_unlock_irq(&phba->hbalock); | |
235 | ||
236 | list_for_each_entry_safe(iocb, next_iocb, &txcmplq_completions, list) { | |
858c9f6c | 237 | /* Check to see if iocb matches the nport we are looking for */ |
2a9bf3d0 JS |
238 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) |
239 | list_add_tail(&iocb->dlist, &abort_list); | |
07951076 | 240 | } |
2a9bf3d0 JS |
241 | spin_lock_irq(&phba->hbalock); |
242 | list_splice(&txcmplq_completions, &pring->txcmplq); | |
2e0fef85 | 243 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 244 | |
2a9bf3d0 JS |
245 | list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { |
246 | spin_lock_irq(&phba->hbalock); | |
247 | list_del_init(&iocb->dlist); | |
248 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
249 | spin_unlock_irq(&phba->hbalock); | |
250 | } | |
251 | ||
a257bf90 JS |
252 | /* Cancel all the IOCBs from the completions list */ |
253 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
254 | IOERR_SLI_ABORTED); | |
2534ba75 | 255 | |
0d2b6b83 | 256 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 257 | return 0; |
dea3101e | 258 | } |
259 | ||
260 | static int | |
2e0fef85 | 261 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 262 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 263 | { |
2e0fef85 JS |
264 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
265 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 266 | struct lpfc_dmabuf *pcmd; |
267 | uint32_t *lp; | |
268 | IOCB_t *icmd; | |
269 | struct serv_parm *sp; | |
270 | LPFC_MBOXQ_t *mbox; | |
271 | struct ls_rjt stat; | |
272 | int rc; | |
273 | ||
274 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
695a814e | 275 | if (vport->port_state <= LPFC_FDISC) { |
dea3101e | 276 | /* Before responding to PLOGI, check for pt2pt mode. |
277 | * If we are pt2pt, with an outstanding FLOGI, abort | |
278 | * the FLOGI and resend it first. | |
279 | */ | |
2e0fef85 | 280 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 281 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 282 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e | 283 | /* If the other side is supposed to initiate |
284 | * the PLOGI anyway, just ACC it now and | |
285 | * move on with discovery. | |
286 | */ | |
287 | phba->fc_edtov = FF_DEF_EDTOV; | |
288 | phba->fc_ratov = FF_DEF_RATOV; | |
289 | /* Start discovery - this should just do | |
290 | CLEAR_LA */ | |
2e0fef85 | 291 | lpfc_disc_start(vport); |
ed957684 | 292 | } else |
2e0fef85 | 293 | lpfc_initial_flogi(vport); |
2fe165b6 | 294 | } else { |
dea3101e | 295 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
296 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 297 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 298 | ndlp, NULL); |
dea3101e | 299 | return 0; |
300 | } | |
301 | } | |
302 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
303 | lp = (uint32_t *) pcmd->virt; | |
304 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
305 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
306 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
307 | "0140 PLOGI Reject: invalid nname\n"); | |
308 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
309 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
310 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
311 | NULL); | |
312 | return 0; | |
313 | } | |
314 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
315 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
316 | "0141 PLOGI Reject: invalid pname\n"); | |
317 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
318 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
319 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
320 | NULL); | |
321 | return 0; | |
322 | } | |
341af102 | 323 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { |
dea3101e | 324 | /* Reject this request because invalid parameters */ |
325 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
326 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
327 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
328 | NULL); | |
c9f8735b | 329 | return 0; |
dea3101e | 330 | } |
331 | icmd = &cmdiocb->iocb; | |
332 | ||
333 | /* PLOGI chkparm OK */ | |
e8b62011 | 334 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
e74c03c8 JS |
335 | "0114 PLOGI chkparm OK Data: x%x x%x x%x " |
336 | "x%x x%x x%x\n", | |
e8b62011 | 337 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, |
e74c03c8 JS |
338 | ndlp->nlp_rpi, vport->port_state, |
339 | vport->fc_flag); | |
dea3101e | 340 | |
3de2a653 | 341 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 342 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 343 | else |
dea3101e | 344 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 345 | |
dea3101e | 346 | ndlp->nlp_class_sup = 0; |
347 | if (sp->cls1.classValid) | |
348 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
349 | if (sp->cls2.classValid) | |
350 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
351 | if (sp->cls3.classValid) | |
352 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
353 | if (sp->cls4.classValid) | |
354 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
355 | ndlp->nlp_maxframe = | |
356 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
357 | ||
0558056c | 358 | /* no need to reg_login if we are already in one of these states */ |
2fe165b6 | 359 | switch (ndlp->nlp_state) { |
dea3101e | 360 | case NLP_STE_NPR_NODE: |
361 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
362 | break; | |
363 | case NLP_STE_REG_LOGIN_ISSUE: | |
364 | case NLP_STE_PRLI_ISSUE: | |
365 | case NLP_STE_UNMAPPED_NODE: | |
366 | case NLP_STE_MAPPED_NODE: | |
0558056c JS |
367 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
368 | return 1; | |
dea3101e | 369 | } |
370 | ||
939723a4 | 371 | /* Check for Nport to NPort pt2pt protocol */ |
92d7f7b0 JS |
372 | if ((vport->fc_flag & FC_PT2PT) && |
373 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
939723a4 | 374 | |
dea3101e | 375 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 376 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e | 377 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
378 | if (mbox == NULL) | |
379 | goto out; | |
380 | lpfc_config_link(phba, mbox); | |
381 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 382 | mbox->vport = vport; |
0b727fea | 383 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 384 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 385 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 386 | goto out; |
387 | } | |
939723a4 JS |
388 | /* |
389 | * For SLI4, the VFI/VPI are registered AFTER the | |
390 | * Nport with the higher WWPN sends us a PLOGI with | |
391 | * our assigned NPortId. | |
392 | */ | |
393 | if (phba->sli_rev == LPFC_SLI_REV4) | |
394 | lpfc_issue_reg_vfi(vport); | |
dea3101e | 395 | |
2e0fef85 | 396 | lpfc_can_disctmo(vport); |
dea3101e | 397 | } |
398 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 399 | if (!mbox) |
dea3101e | 400 | goto out; |
401 | ||
6b5151fd JS |
402 | /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ |
403 | if (phba->sli_rev == LPFC_SLI_REV4) | |
404 | lpfc_unreg_rpi(vport, ndlp); | |
405 | ||
6fb120a7 | 406 | rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, |
4042629e | 407 | (uint8_t *) sp, mbox, ndlp->nlp_rpi); |
2e0fef85 JS |
408 | if (rc) { |
409 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 410 | goto out; |
411 | } | |
412 | ||
413 | /* ACC PLOGI rsp command needs to execute first, | |
414 | * queue this mbox command to be processed later. | |
415 | */ | |
416 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
417 | /* |
418 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
419 | * command issued in lpfc_cmpl_els_acc(). | |
420 | */ | |
2e0fef85 JS |
421 | mbox->vport = vport; |
422 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 423 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 424 | spin_unlock_irq(shost->host_lock); |
dea3101e | 425 | |
33ccf8d1 JS |
426 | /* |
427 | * If there is an outstanding PLOGI issued, abort it before | |
428 | * sending ACC rsp for received PLOGI. If pending plogi | |
429 | * is not canceled here, the plogi will be rejected by | |
430 | * remote port and will be retried. On a configuration with | |
431 | * single discovery thread, this will cause a huge delay in | |
432 | * discovery. Also this will cause multiple state machines | |
433 | * running in parallel for this node. | |
434 | */ | |
435 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
436 | /* software abort outstanding PLOGI */ | |
07951076 | 437 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
438 | } |
439 | ||
858c9f6c | 440 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 441 | vport->cfg_restrict_login)) { |
858c9f6c JS |
442 | |
443 | /* In order to preserve RPIs, we want to cleanup | |
444 | * the default RPI the firmware created to rcv | |
445 | * this ELS request. The only way to do this is | |
446 | * to register, then unregister the RPI. | |
447 | */ | |
448 | spin_lock_irq(shost->host_lock); | |
449 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
450 | spin_unlock_irq(shost->host_lock); | |
451 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
452 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
0a8a86fa | 453 | rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 454 | ndlp, mbox); |
0a8a86fa JS |
455 | if (rc) |
456 | mempool_free(mbox, phba->mbox_mem_pool); | |
858c9f6c JS |
457 | return 1; |
458 | } | |
0a8a86fa JS |
459 | rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
460 | if (rc) | |
461 | mempool_free(mbox, phba->mbox_mem_pool); | |
c9f8735b | 462 | return 1; |
dea3101e | 463 | out: |
464 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
465 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 466 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 467 | return 0; |
dea3101e | 468 | } |
469 | ||
6b5151fd JS |
470 | /** |
471 | * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine | |
472 | * @phba: pointer to lpfc hba data structure. | |
473 | * @mboxq: pointer to mailbox object | |
474 | * | |
475 | * This routine is invoked to issue a completion to a rcv'ed | |
476 | * ADISC or PDISC after the paused RPI has been resumed. | |
477 | **/ | |
478 | static void | |
479 | lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
480 | { | |
481 | struct lpfc_vport *vport; | |
482 | struct lpfc_iocbq *elsiocb; | |
483 | struct lpfc_nodelist *ndlp; | |
484 | uint32_t cmd; | |
485 | ||
486 | elsiocb = (struct lpfc_iocbq *)mboxq->context1; | |
487 | ndlp = (struct lpfc_nodelist *) mboxq->context2; | |
488 | vport = mboxq->vport; | |
489 | cmd = elsiocb->drvrTimeout; | |
490 | ||
491 | if (cmd == ELS_CMD_ADISC) { | |
492 | lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); | |
493 | } else { | |
494 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, | |
495 | ndlp, NULL); | |
496 | } | |
497 | kfree(elsiocb); | |
72859909 | 498 | mempool_free(mboxq, phba->mbox_mem_pool); |
6b5151fd JS |
499 | } |
500 | ||
dea3101e | 501 | static int |
2e0fef85 | 502 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 503 | struct lpfc_iocbq *cmdiocb) |
504 | { | |
2e0fef85 | 505 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6b5151fd | 506 | struct lpfc_iocbq *elsiocb; |
dea3101e | 507 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
508 | struct serv_parm *sp; |
509 | struct lpfc_name *pnn, *ppn; | |
dea3101e | 510 | struct ls_rjt stat; |
511 | ADISC *ap; | |
512 | IOCB_t *icmd; | |
513 | uint32_t *lp; | |
514 | uint32_t cmd; | |
515 | ||
516 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
517 | lp = (uint32_t *) pcmd->virt; | |
518 | ||
519 | cmd = *lp++; | |
520 | if (cmd == ELS_CMD_ADISC) { | |
521 | ap = (ADISC *) lp; | |
522 | pnn = (struct lpfc_name *) & ap->nodeName; | |
523 | ppn = (struct lpfc_name *) & ap->portName; | |
524 | } else { | |
525 | sp = (struct serv_parm *) lp; | |
526 | pnn = (struct lpfc_name *) & sp->nodeName; | |
527 | ppn = (struct lpfc_name *) & sp->portName; | |
528 | } | |
529 | ||
530 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 531 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
6b5151fd JS |
532 | |
533 | /* | |
534 | * As soon as we send ACC, the remote NPort can | |
535 | * start sending us data. Thus, for SLI4 we must | |
536 | * resume the RPI before the ACC goes out. | |
537 | */ | |
538 | if (vport->phba->sli_rev == LPFC_SLI_REV4) { | |
539 | elsiocb = kmalloc(sizeof(struct lpfc_iocbq), | |
540 | GFP_KERNEL); | |
541 | if (elsiocb) { | |
542 | ||
543 | /* Save info from cmd IOCB used in rsp */ | |
544 | memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, | |
545 | sizeof(struct lpfc_iocbq)); | |
546 | ||
547 | /* Save the ELS cmd */ | |
548 | elsiocb->drvrTimeout = cmd; | |
549 | ||
550 | lpfc_sli4_resume_rpi(ndlp, | |
551 | lpfc_mbx_cmpl_resume_rpi, elsiocb); | |
552 | goto out; | |
553 | } | |
554 | } | |
555 | ||
dea3101e | 556 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 557 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 558 | } else { |
6b5151fd JS |
559 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, |
560 | ndlp, NULL); | |
dea3101e | 561 | } |
6b5151fd JS |
562 | out: |
563 | /* If we are authenticated, move to the proper state */ | |
564 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
565 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
566 | else | |
567 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
568 | ||
c9f8735b | 569 | return 1; |
dea3101e | 570 | } |
571 | /* Reject this request because invalid parameters */ | |
572 | stat.un.b.lsRjtRsvd0 = 0; | |
573 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
574 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
575 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 576 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 577 | |
dea3101e | 578 | /* 1 sec timeout */ |
256ec0d0 | 579 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); |
dea3101e | 580 | |
2e0fef85 | 581 | spin_lock_irq(shost->host_lock); |
dea3101e | 582 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 583 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
584 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
585 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 586 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 587 | return 0; |
dea3101e | 588 | } |
589 | ||
590 | static int | |
2e0fef85 JS |
591 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
592 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 593 | { |
2e0fef85 | 594 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4b40c59e JS |
595 | struct lpfc_hba *phba = vport->phba; |
596 | struct lpfc_vport **vports; | |
597 | int i, active_vlink_present = 0 ; | |
2e0fef85 JS |
598 | |
599 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e | 600 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
601 | * PLOGIs during LOGO storms from a device. | |
602 | */ | |
2e0fef85 | 603 | spin_lock_irq(shost->host_lock); |
dea3101e | 604 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 605 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 606 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 607 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 608 | else |
51ef4c26 | 609 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
4b40c59e JS |
610 | if (ndlp->nlp_DID == Fabric_DID) { |
611 | if (vport->port_state <= LPFC_FDISC) | |
612 | goto out; | |
6fb120a7 | 613 | lpfc_linkdown_port(vport); |
6fb120a7 | 614 | spin_lock_irq(shost->host_lock); |
4b40c59e | 615 | vport->fc_flag |= FC_VPORT_LOGO_RCVD; |
6fb120a7 | 616 | spin_unlock_irq(shost->host_lock); |
4b40c59e JS |
617 | vports = lpfc_create_vport_work_array(phba); |
618 | if (vports) { | |
619 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
620 | i++) { | |
621 | if ((!(vports[i]->fc_flag & | |
622 | FC_VPORT_LOGO_RCVD)) && | |
623 | (vports[i]->port_state > LPFC_FDISC)) { | |
624 | active_vlink_present = 1; | |
625 | break; | |
626 | } | |
627 | } | |
628 | lpfc_destroy_vport_work_array(phba, vports); | |
629 | } | |
dea3101e | 630 | |
4b40c59e JS |
631 | if (active_vlink_present) { |
632 | /* | |
633 | * If there are other active VLinks present, | |
634 | * re-instantiate the Vlink using FDISC. | |
635 | */ | |
256ec0d0 JS |
636 | mod_timer(&ndlp->nlp_delayfunc, |
637 | jiffies + msecs_to_jiffies(1000)); | |
4b40c59e JS |
638 | spin_lock_irq(shost->host_lock); |
639 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
640 | spin_unlock_irq(shost->host_lock); | |
641 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; | |
642 | vport->port_state = LPFC_FDISC; | |
643 | } else { | |
644 | spin_lock_irq(shost->host_lock); | |
645 | phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; | |
646 | spin_unlock_irq(shost->host_lock); | |
647 | lpfc_retry_pport_discovery(phba); | |
648 | } | |
6fb120a7 JS |
649 | } else if ((!(ndlp->nlp_type & NLP_FABRIC) && |
650 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
651 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
652 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 653 | /* Only try to re-login if this is NOT a Fabric Node */ |
256ec0d0 JS |
654 | mod_timer(&ndlp->nlp_delayfunc, |
655 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 656 | spin_lock_irq(shost->host_lock); |
dea3101e | 657 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 658 | spin_unlock_irq(shost->host_lock); |
dea3101e | 659 | |
5024ab17 | 660 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 661 | } |
4b40c59e | 662 | out: |
87af33fe JS |
663 | ndlp->nlp_prev_state = ndlp->nlp_state; |
664 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 665 | |
2e0fef85 | 666 | spin_lock_irq(shost->host_lock); |
dea3101e | 667 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 668 | spin_unlock_irq(shost->host_lock); |
dea3101e | 669 | /* The driver has to wait until the ACC completes before it continues |
670 | * processing the LOGO. The action will resume in | |
671 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
672 | * unreg_login, the driver waits so the ACC does not get aborted. | |
673 | */ | |
c9f8735b | 674 | return 0; |
dea3101e | 675 | } |
676 | ||
677 | static void | |
2e0fef85 JS |
678 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
679 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 680 | { |
681 | struct lpfc_dmabuf *pcmd; | |
682 | uint32_t *lp; | |
683 | PRLI *npr; | |
684 | struct fc_rport *rport = ndlp->rport; | |
685 | u32 roles; | |
686 | ||
687 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
688 | lp = (uint32_t *) pcmd->virt; | |
689 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
690 | ||
691 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
692 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 693 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e | 694 | if (npr->initiatorFunc) |
695 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
696 | if (npr->targetFunc) | |
697 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
698 | if (npr->Retry) | |
699 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
700 | } | |
701 | if (rport) { | |
702 | /* We need to update the rport role values */ | |
703 | roles = FC_RPORT_ROLE_UNKNOWN; | |
704 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
705 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
706 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
707 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
708 | |
709 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
710 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
711 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
712 | ||
dea3101e | 713 | fc_remote_port_rolechg(rport, roles); |
714 | } | |
715 | } | |
716 | ||
717 | static uint32_t | |
2e0fef85 | 718 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 719 | { |
2e0fef85 | 720 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 721 | |
4042629e | 722 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { |
51ef4c26 JS |
723 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
724 | return 0; | |
725 | } | |
726 | ||
1b32f6aa JS |
727 | if (!(vport->fc_flag & FC_PT2PT)) { |
728 | /* Check config parameter use-adisc or FCP-2 */ | |
729 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || | |
ffc95493 JS |
730 | ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && |
731 | (ndlp->nlp_type & NLP_FCP_TARGET))) { | |
1b32f6aa JS |
732 | spin_lock_irq(shost->host_lock); |
733 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
734 | spin_unlock_irq(shost->host_lock); | |
735 | return 1; | |
736 | } | |
92d7f7b0 JS |
737 | } |
738 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
739 | lpfc_unreg_rpi(vport, ndlp); | |
740 | return 0; | |
dea3101e | 741 | } |
6d368e53 | 742 | |
78730cfe | 743 | /** |
25985edc | 744 | * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd. |
78730cfe JS |
745 | * @phba : Pointer to lpfc_hba structure. |
746 | * @vport: Pointer to lpfc_vport structure. | |
747 | * @rpi : rpi to be release. | |
748 | * | |
749 | * This function will send a unreg_login mailbox command to the firmware | |
750 | * to release a rpi. | |
751 | **/ | |
752 | void | |
753 | lpfc_release_rpi(struct lpfc_hba *phba, | |
754 | struct lpfc_vport *vport, | |
755 | uint16_t rpi) | |
756 | { | |
757 | LPFC_MBOXQ_t *pmb; | |
758 | int rc; | |
759 | ||
760 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
761 | GFP_KERNEL); | |
762 | if (!pmb) | |
763 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
764 | "2796 mailbox memory allocation failed \n"); | |
765 | else { | |
766 | lpfc_unreg_login(phba, vport->vpi, rpi, pmb); | |
767 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
768 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
769 | if (rc == MBX_NOT_FINISHED) | |
770 | mempool_free(pmb, phba->mbox_mem_pool); | |
771 | } | |
772 | } | |
dea3101e | 773 | |
774 | static uint32_t | |
2e0fef85 JS |
775 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
776 | void *arg, uint32_t evt) | |
dea3101e | 777 | { |
78730cfe JS |
778 | struct lpfc_hba *phba; |
779 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
780 | MAILBOX_t *mb; | |
781 | uint16_t rpi; | |
782 | ||
783 | phba = vport->phba; | |
784 | /* Release the RPI if reglogin completing */ | |
785 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
786 | (evt == NLP_EVT_CMPL_REG_LOGIN) && | |
787 | (!pmb->u.mb.mbxStatus)) { | |
788 | mb = &pmb->u.mb; | |
789 | rpi = pmb->u.mb.un.varWords[0]; | |
790 | lpfc_release_rpi(phba, vport, rpi); | |
791 | } | |
e8b62011 | 792 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 793 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
794 | "event x%x, state x%x Data: x%x x%x\n", |
795 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
796 | ndlp->nlp_flag); | |
c9f8735b | 797 | return ndlp->nlp_state; |
dea3101e | 798 | } |
799 | ||
87af33fe JS |
800 | static uint32_t |
801 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
802 | void *arg, uint32_t evt) | |
803 | { | |
804 | /* This transition is only legal if we previously | |
805 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
806 | * working on the same NPortID, do nothing for this thread | |
807 | * to stop it. | |
808 | */ | |
809 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
810 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 811 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
812 | "event x%x, state x%x Data: x%x x%x\n", |
813 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
814 | ndlp->nlp_flag); | |
815 | } | |
816 | return ndlp->nlp_state; | |
817 | } | |
818 | ||
dea3101e | 819 | /* Start of Discovery State Machine routines */ |
820 | ||
821 | static uint32_t | |
2e0fef85 JS |
822 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
823 | void *arg, uint32_t evt) | |
dea3101e | 824 | { |
825 | struct lpfc_iocbq *cmdiocb; | |
826 | ||
827 | cmdiocb = (struct lpfc_iocbq *) arg; | |
828 | ||
2e0fef85 | 829 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 830 | return ndlp->nlp_state; |
dea3101e | 831 | } |
c9f8735b | 832 | return NLP_STE_FREED_NODE; |
dea3101e | 833 | } |
834 | ||
835 | static uint32_t | |
2e0fef85 JS |
836 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
837 | void *arg, uint32_t evt) | |
dea3101e | 838 | { |
2e0fef85 | 839 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 840 | return ndlp->nlp_state; |
dea3101e | 841 | } |
842 | ||
843 | static uint32_t | |
2e0fef85 JS |
844 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
845 | void *arg, uint32_t evt) | |
dea3101e | 846 | { |
2e0fef85 JS |
847 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
848 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 849 | |
2e0fef85 | 850 | spin_lock_irq(shost->host_lock); |
dea3101e | 851 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 852 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 853 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 854 | |
c9f8735b | 855 | return ndlp->nlp_state; |
dea3101e | 856 | } |
857 | ||
858 | static uint32_t | |
2e0fef85 JS |
859 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
860 | void *arg, uint32_t evt) | |
dea3101e | 861 | { |
c9f8735b | 862 | return NLP_STE_FREED_NODE; |
dea3101e | 863 | } |
864 | ||
865 | static uint32_t | |
2e0fef85 JS |
866 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
867 | void *arg, uint32_t evt) | |
dea3101e | 868 | { |
c9f8735b | 869 | return NLP_STE_FREED_NODE; |
dea3101e | 870 | } |
871 | ||
df9e1b59 JS |
872 | static uint32_t |
873 | lpfc_device_recov_unused_node(struct lpfc_vport *vport, | |
874 | struct lpfc_nodelist *ndlp, | |
875 | void *arg, uint32_t evt) | |
876 | { | |
877 | return ndlp->nlp_state; | |
878 | } | |
879 | ||
dea3101e | 880 | static uint32_t |
2e0fef85 | 881 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 882 | void *arg, uint32_t evt) |
883 | { | |
0d2b6b83 | 884 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 885 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 886 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
887 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
888 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
889 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e | 890 | struct ls_rjt stat; |
891 | int port_cmp; | |
892 | ||
dea3101e | 893 | memset(&stat, 0, sizeof (struct ls_rjt)); |
894 | ||
895 | /* For a PLOGI, we only accept if our portname is less | |
896 | * than the remote portname. | |
897 | */ | |
898 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 899 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 900 | sizeof(struct lpfc_name)); |
dea3101e | 901 | |
902 | if (port_cmp >= 0) { | |
903 | /* Reject this request because the remote node will accept | |
904 | ours */ | |
905 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
906 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
907 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
908 | NULL); | |
2fe165b6 | 909 | } else { |
0d2b6b83 JS |
910 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
911 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
912 | (vport->num_disc_nodes)) { | |
913 | spin_lock_irq(shost->host_lock); | |
914 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
915 | spin_unlock_irq(shost->host_lock); | |
916 | /* Check if there are more PLOGIs to be sent */ | |
917 | lpfc_more_plogi(vport); | |
918 | if (vport->num_disc_nodes == 0) { | |
919 | spin_lock_irq(shost->host_lock); | |
920 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
921 | spin_unlock_irq(shost->host_lock); | |
922 | lpfc_can_disctmo(vport); | |
923 | lpfc_end_rscn(vport); | |
924 | } | |
925 | } | |
2e0fef85 | 926 | } /* If our portname was less */ |
dea3101e | 927 | |
c9f8735b JW |
928 | return ndlp->nlp_state; |
929 | } | |
930 | ||
92d7f7b0 JS |
931 | static uint32_t |
932 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
933 | void *arg, uint32_t evt) | |
934 | { | |
935 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
936 | struct ls_rjt stat; | |
937 | ||
938 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
939 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
940 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 941 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
942 | return ndlp->nlp_state; |
943 | } | |
944 | ||
c9f8735b | 945 | static uint32_t |
2e0fef85 JS |
946 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
947 | void *arg, uint32_t evt) | |
c9f8735b | 948 | { |
2e0fef85 | 949 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 950 | |
92d7f7b0 | 951 | /* software abort outstanding PLOGI */ |
2e0fef85 | 952 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 953 | |
2e0fef85 | 954 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 955 | return ndlp->nlp_state; |
dea3101e | 956 | } |
957 | ||
958 | static uint32_t | |
2e0fef85 JS |
959 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
960 | void *arg, uint32_t evt) | |
dea3101e | 961 | { |
2e0fef85 JS |
962 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
963 | struct lpfc_hba *phba = vport->phba; | |
964 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 965 | |
966 | /* software abort outstanding PLOGI */ | |
07951076 | 967 | lpfc_els_abort(phba, ndlp); |
dea3101e | 968 | |
969 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 970 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 971 | } else { |
2e0fef85 | 972 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e | 973 | } |
974 | ||
2e0fef85 | 975 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
256ec0d0 | 976 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000 * 1)); |
2e0fef85 | 977 | spin_lock_irq(shost->host_lock); |
5024ab17 | 978 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 979 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
980 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
981 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 982 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 983 | |
c9f8735b | 984 | return ndlp->nlp_state; |
dea3101e | 985 | } |
986 | ||
987 | static uint32_t | |
2e0fef85 JS |
988 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
989 | struct lpfc_nodelist *ndlp, | |
990 | void *arg, | |
dea3101e | 991 | uint32_t evt) |
992 | { | |
2e0fef85 | 993 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 994 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 995 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 996 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 997 | uint32_t *lp; |
998 | IOCB_t *irsp; | |
999 | struct serv_parm *sp; | |
1000 | LPFC_MBOXQ_t *mbox; | |
1001 | ||
1002 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1003 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1004 | ||
1005 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 1006 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 1007 | return ndlp->nlp_state; |
dea3101e | 1008 | } |
1009 | ||
1010 | irsp = &rspiocb->iocb; | |
1011 | ||
1012 | if (irsp->ulpStatus) | |
1013 | goto out; | |
1014 | ||
1015 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
1016 | ||
2e0fef85 | 1017 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 1018 | |
2e0fef85 | 1019 | lp = (uint32_t *) prsp->virt; |
dea3101e | 1020 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
1021 | |
1022 | /* Some switches have FDMI servers returning 0 for WWN */ | |
1023 | if ((ndlp->nlp_DID != FDMI_DID) && | |
1024 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
1025 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
1026 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1027 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
1028 | goto out; | |
1029 | } | |
341af102 | 1030 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) |
dea3101e | 1031 | goto out; |
dea3101e | 1032 | /* PLOGI chkparm OK */ |
e8b62011 JS |
1033 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1034 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
1035 | ndlp->nlp_DID, ndlp->nlp_state, | |
1036 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 1037 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 1038 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 1039 | else |
dea3101e | 1040 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 1041 | |
dea3101e | 1042 | ndlp->nlp_class_sup = 0; |
1043 | if (sp->cls1.classValid) | |
1044 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
1045 | if (sp->cls2.classValid) | |
1046 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
1047 | if (sp->cls3.classValid) | |
1048 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
1049 | if (sp->cls4.classValid) | |
1050 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
1051 | ndlp->nlp_maxframe = | |
2e0fef85 | 1052 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 1053 | |
2e0fef85 | 1054 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 1055 | if (!mbox) { |
e8b62011 JS |
1056 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1057 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 1058 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
1059 | ndlp->nlp_DID, ndlp->nlp_state, |
1060 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1061 | goto out; |
92d7f7b0 | 1062 | } |
dea3101e | 1063 | |
2e0fef85 JS |
1064 | lpfc_unreg_rpi(vport, ndlp); |
1065 | ||
6fb120a7 | 1066 | if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
4042629e | 1067 | (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { |
2fe165b6 | 1068 | switch (ndlp->nlp_DID) { |
dea3101e | 1069 | case NameServer_DID: |
de0c5b32 | 1070 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e | 1071 | break; |
1072 | case FDMI_DID: | |
de0c5b32 | 1073 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e | 1074 | break; |
1075 | default: | |
ffc95493 | 1076 | ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; |
de0c5b32 | 1077 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 1078 | } |
329f9bc7 | 1079 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 1080 | mbox->vport = vport; |
0b727fea | 1081 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 1082 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
1083 | lpfc_nlp_set_state(vport, ndlp, |
1084 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 1085 | return ndlp->nlp_state; |
dea3101e | 1086 | } |
ffc95493 JS |
1087 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
1088 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
fa4066b6 JS |
1089 | /* decrement node reference count to the failed mbox |
1090 | * command | |
1091 | */ | |
329f9bc7 | 1092 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 1093 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
1094 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1095 | kfree(mp); | |
dea3101e | 1096 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 1097 | |
e8b62011 JS |
1098 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1099 | "0134 PLOGI: cannot issue reg_login " | |
1100 | "Data: x%x x%x x%x x%x\n", | |
1101 | ndlp->nlp_DID, ndlp->nlp_state, | |
1102 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1103 | } else { |
1104 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1105 | |
e8b62011 JS |
1106 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1107 | "0135 PLOGI: cannot format reg_login " | |
1108 | "Data: x%x x%x x%x x%x\n", | |
1109 | ndlp->nlp_DID, ndlp->nlp_state, | |
1110 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1111 | } |
1112 | ||
1113 | ||
92d7f7b0 JS |
1114 | out: |
1115 | if (ndlp->nlp_DID == NameServer_DID) { | |
1116 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1117 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1118 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
1119 | } |
1120 | ||
8b455cf3 JS |
1121 | /* |
1122 | ** In case the node reference counter does not go to zero, ensure that | |
1123 | ** the stale state for the node is not processed. | |
1124 | */ | |
1125 | ||
1126 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
1127 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
0ff10d46 | 1128 | spin_lock_irq(shost->host_lock); |
a8adb832 | 1129 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 1130 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1131 | return NLP_STE_FREED_NODE; |
dea3101e | 1132 | } |
1133 | ||
0ff10d46 JS |
1134 | static uint32_t |
1135 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1136 | void *arg, uint32_t evt) | |
1137 | { | |
1138 | return ndlp->nlp_state; | |
1139 | } | |
1140 | ||
1141 | static uint32_t | |
1142 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
1143 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
1144 | { | |
78730cfe JS |
1145 | struct lpfc_hba *phba; |
1146 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
1147 | MAILBOX_t *mb = &pmb->u.mb; | |
1148 | uint16_t rpi; | |
1149 | ||
1150 | phba = vport->phba; | |
1151 | /* Release the RPI */ | |
1152 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
1153 | !mb->mbxStatus) { | |
1154 | rpi = pmb->u.mb.un.varWords[0]; | |
1155 | lpfc_release_rpi(phba, vport, rpi); | |
1156 | } | |
0ff10d46 JS |
1157 | return ndlp->nlp_state; |
1158 | } | |
1159 | ||
dea3101e | 1160 | static uint32_t |
2e0fef85 JS |
1161 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1162 | void *arg, uint32_t evt) | |
dea3101e | 1163 | { |
2e0fef85 JS |
1164 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1165 | ||
1166 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1167 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1168 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1169 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1170 | return ndlp->nlp_state; |
2e0fef85 | 1171 | } else { |
a0f9b48d | 1172 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1173 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1174 | |
2e0fef85 | 1175 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1176 | return NLP_STE_FREED_NODE; |
1177 | } | |
dea3101e | 1178 | } |
1179 | ||
1180 | static uint32_t | |
2e0fef85 JS |
1181 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
1182 | struct lpfc_nodelist *ndlp, | |
1183 | void *arg, | |
1184 | uint32_t evt) | |
dea3101e | 1185 | { |
2e0fef85 JS |
1186 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1187 | struct lpfc_hba *phba = vport->phba; | |
1188 | ||
92d7f7b0 JS |
1189 | /* Don't do anything that will mess up processing of the |
1190 | * previous RSCN. | |
1191 | */ | |
1192 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1193 | return ndlp->nlp_state; | |
1194 | ||
dea3101e | 1195 | /* software abort outstanding PLOGI */ |
07951076 | 1196 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1197 | |
5024ab17 | 1198 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 1199 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 1200 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1201 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1202 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1203 | |
c9f8735b | 1204 | return ndlp->nlp_state; |
dea3101e | 1205 | } |
1206 | ||
1207 | static uint32_t | |
2e0fef85 JS |
1208 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1209 | void *arg, uint32_t evt) | |
dea3101e | 1210 | { |
0d2b6b83 | 1211 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1212 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1213 | struct lpfc_iocbq *cmdiocb; |
1214 | ||
1215 | /* software abort outstanding ADISC */ | |
07951076 | 1216 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1217 | |
1218 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1219 | ||
0d2b6b83 JS |
1220 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1221 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1222 | spin_lock_irq(shost->host_lock); | |
1223 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1224 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 1225 | if (vport->num_disc_nodes) |
0d2b6b83 | 1226 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1227 | } |
1228 | return ndlp->nlp_state; | |
1229 | } | |
5024ab17 | 1230 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1231 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1232 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1233 | |
c9f8735b | 1234 | return ndlp->nlp_state; |
dea3101e | 1235 | } |
1236 | ||
1237 | static uint32_t | |
2e0fef85 JS |
1238 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1239 | void *arg, uint32_t evt) | |
dea3101e | 1240 | { |
2e0fef85 | 1241 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1242 | |
2e0fef85 | 1243 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1244 | return ndlp->nlp_state; |
dea3101e | 1245 | } |
1246 | ||
1247 | static uint32_t | |
2e0fef85 JS |
1248 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1249 | void *arg, uint32_t evt) | |
dea3101e | 1250 | { |
2e0fef85 | 1251 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1252 | struct lpfc_iocbq *cmdiocb; |
1253 | ||
1254 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1255 | ||
1256 | /* software abort outstanding ADISC */ | |
07951076 | 1257 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1258 | |
2e0fef85 | 1259 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1260 | return ndlp->nlp_state; |
dea3101e | 1261 | } |
1262 | ||
1263 | static uint32_t | |
2e0fef85 JS |
1264 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1265 | struct lpfc_nodelist *ndlp, | |
1266 | void *arg, uint32_t evt) | |
dea3101e | 1267 | { |
1268 | struct lpfc_iocbq *cmdiocb; | |
1269 | ||
1270 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1271 | ||
2e0fef85 | 1272 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1273 | return ndlp->nlp_state; |
dea3101e | 1274 | } |
1275 | ||
1276 | static uint32_t | |
2e0fef85 JS |
1277 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1278 | void *arg, uint32_t evt) | |
dea3101e | 1279 | { |
1280 | struct lpfc_iocbq *cmdiocb; | |
1281 | ||
1282 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1283 | ||
1284 | /* Treat like rcv logo */ | |
2e0fef85 | 1285 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1286 | return ndlp->nlp_state; |
dea3101e | 1287 | } |
1288 | ||
1289 | static uint32_t | |
2e0fef85 JS |
1290 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1291 | struct lpfc_nodelist *ndlp, | |
1292 | void *arg, uint32_t evt) | |
dea3101e | 1293 | { |
2e0fef85 JS |
1294 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1295 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1296 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1297 | IOCB_t *irsp; | |
1298 | ADISC *ap; | |
6fb120a7 | 1299 | int rc; |
dea3101e | 1300 | |
1301 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1302 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1303 | ||
1304 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1305 | irsp = &rspiocb->iocb; | |
1306 | ||
1307 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1308 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e | 1309 | /* 1 sec timeout */ |
256ec0d0 JS |
1310 | mod_timer(&ndlp->nlp_delayfunc, |
1311 | jiffies + msecs_to_jiffies(1000)); | |
2e0fef85 | 1312 | spin_lock_irq(shost->host_lock); |
dea3101e | 1313 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1314 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1315 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1316 | |
2e0fef85 JS |
1317 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1318 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1319 | |
5024ab17 | 1320 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1321 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1322 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1323 | return ndlp->nlp_state; |
dea3101e | 1324 | } |
5024ab17 | 1325 | |
6fb120a7 | 1326 | if (phba->sli_rev == LPFC_SLI_REV4) { |
6b5151fd | 1327 | rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); |
6fb120a7 JS |
1328 | if (rc) { |
1329 | /* Stay in state and retry. */ | |
1330 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; | |
1331 | return ndlp->nlp_state; | |
1332 | } | |
1333 | } | |
1334 | ||
2501322e | 1335 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1336 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1337 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1338 | } else { |
5024ab17 | 1339 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1340 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1341 | } |
6fb120a7 | 1342 | |
c9f8735b | 1343 | return ndlp->nlp_state; |
dea3101e | 1344 | } |
1345 | ||
1346 | static uint32_t | |
2e0fef85 JS |
1347 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1348 | void *arg, uint32_t evt) | |
dea3101e | 1349 | { |
2e0fef85 JS |
1350 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1351 | ||
1352 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1353 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1354 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1355 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1356 | return ndlp->nlp_state; |
2e0fef85 | 1357 | } else { |
a0f9b48d | 1358 | /* software abort outstanding ADISC */ |
2e0fef85 | 1359 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1360 | |
2e0fef85 | 1361 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1362 | return NLP_STE_FREED_NODE; |
1363 | } | |
dea3101e | 1364 | } |
1365 | ||
1366 | static uint32_t | |
2e0fef85 JS |
1367 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1368 | struct lpfc_nodelist *ndlp, | |
1369 | void *arg, | |
1370 | uint32_t evt) | |
dea3101e | 1371 | { |
2e0fef85 JS |
1372 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1373 | struct lpfc_hba *phba = vport->phba; | |
1374 | ||
92d7f7b0 JS |
1375 | /* Don't do anything that will mess up processing of the |
1376 | * previous RSCN. | |
1377 | */ | |
1378 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1379 | return ndlp->nlp_state; | |
1380 | ||
dea3101e | 1381 | /* software abort outstanding ADISC */ |
07951076 | 1382 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1383 | |
5024ab17 | 1384 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1385 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1386 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1387 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1388 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1389 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1390 | return ndlp->nlp_state; |
dea3101e | 1391 | } |
1392 | ||
1393 | static uint32_t | |
2e0fef85 JS |
1394 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1395 | struct lpfc_nodelist *ndlp, | |
1396 | void *arg, | |
dea3101e | 1397 | uint32_t evt) |
1398 | { | |
2e0fef85 | 1399 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1400 | |
2e0fef85 | 1401 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1402 | return ndlp->nlp_state; |
dea3101e | 1403 | } |
1404 | ||
1405 | static uint32_t | |
2e0fef85 JS |
1406 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1407 | struct lpfc_nodelist *ndlp, | |
1408 | void *arg, | |
dea3101e | 1409 | uint32_t evt) |
1410 | { | |
2e0fef85 | 1411 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1412 | |
2e0fef85 | 1413 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1414 | return ndlp->nlp_state; |
dea3101e | 1415 | } |
1416 | ||
1417 | static uint32_t | |
2e0fef85 JS |
1418 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1419 | struct lpfc_nodelist *ndlp, | |
1420 | void *arg, | |
dea3101e | 1421 | uint32_t evt) |
1422 | { | |
2e0fef85 JS |
1423 | struct lpfc_hba *phba = vport->phba; |
1424 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1425 | LPFC_MBOXQ_t *mb; |
1426 | LPFC_MBOXQ_t *nextmb; | |
1427 | struct lpfc_dmabuf *mp; | |
dea3101e | 1428 | |
1429 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1430 | ||
7054a606 JS |
1431 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1432 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1433 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1434 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
92d7f7b0 | 1435 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1436 | mb->context2 = NULL; |
1437 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1438 | } | |
1439 | } | |
1440 | ||
2e0fef85 | 1441 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1442 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1443 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 JS |
1444 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
1445 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1446 | if (mp) { | |
98c9ea5c | 1447 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1448 | kfree(mp); |
1449 | } | |
92d7f7b0 | 1450 | lpfc_nlp_put(ndlp); |
7054a606 | 1451 | list_del(&mb->list); |
5ffc266e | 1452 | phba->sli.mboxq_cnt--; |
7054a606 JS |
1453 | mempool_free(mb, phba->mbox_mem_pool); |
1454 | } | |
1455 | } | |
2e0fef85 | 1456 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1457 | |
2e0fef85 | 1458 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1459 | return ndlp->nlp_state; |
dea3101e | 1460 | } |
1461 | ||
1462 | static uint32_t | |
2e0fef85 JS |
1463 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1464 | struct lpfc_nodelist *ndlp, | |
1465 | void *arg, | |
dea3101e | 1466 | uint32_t evt) |
1467 | { | |
2e0fef85 | 1468 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1469 | |
2e0fef85 | 1470 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1471 | return ndlp->nlp_state; |
dea3101e | 1472 | } |
1473 | ||
1474 | static uint32_t | |
2e0fef85 JS |
1475 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1476 | struct lpfc_nodelist *ndlp, | |
1477 | void *arg, | |
dea3101e | 1478 | uint32_t evt) |
1479 | { | |
1480 | struct lpfc_iocbq *cmdiocb; | |
1481 | ||
1482 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1483 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1484 | return ndlp->nlp_state; |
dea3101e | 1485 | } |
1486 | ||
1487 | static uint32_t | |
2e0fef85 JS |
1488 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1489 | struct lpfc_nodelist *ndlp, | |
1490 | void *arg, | |
1491 | uint32_t evt) | |
dea3101e | 1492 | { |
2e0fef85 | 1493 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1494 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1495 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1496 | uint32_t did = mb->un.varWords[1]; |
dea3101e | 1497 | |
dea3101e | 1498 | if (mb->mbxStatus) { |
1499 | /* RegLogin failed */ | |
e8b62011 | 1500 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
6d368e53 JS |
1501 | "0246 RegLogin failed Data: x%x x%x x%x x%x " |
1502 | "x%x\n", | |
1503 | did, mb->mbxStatus, vport->port_state, | |
1504 | mb->un.varRegLogin.vpi, | |
1505 | mb->un.varRegLogin.rpi); | |
d0e56dad JS |
1506 | /* |
1507 | * If RegLogin failed due to lack of HBA resources do not | |
1508 | * retry discovery. | |
1509 | */ | |
1510 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1511 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1512 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1513 | return ndlp->nlp_state; |
1514 | } | |
1515 | ||
2e0fef85 | 1516 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
256ec0d0 JS |
1517 | mod_timer(&ndlp->nlp_delayfunc, |
1518 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 1519 | spin_lock_irq(shost->host_lock); |
dea3101e | 1520 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1521 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1522 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1523 | |
2e0fef85 | 1524 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1525 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1526 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1527 | return ndlp->nlp_state; |
dea3101e | 1528 | } |
1529 | ||
6d368e53 JS |
1530 | /* SLI4 ports have preallocated logical rpis. */ |
1531 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
1532 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
1533 | ||
4042629e | 1534 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 1535 | |
1536 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1537 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1538 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1539 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1540 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1541 | } else { |
5024ab17 | 1542 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1543 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1544 | } |
c9f8735b | 1545 | return ndlp->nlp_state; |
dea3101e | 1546 | } |
1547 | ||
1548 | static uint32_t | |
2e0fef85 JS |
1549 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1550 | struct lpfc_nodelist *ndlp, | |
1551 | void *arg, | |
dea3101e | 1552 | uint32_t evt) |
1553 | { | |
2e0fef85 JS |
1554 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1555 | ||
1556 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1557 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1558 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1559 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1560 | return ndlp->nlp_state; |
2e0fef85 JS |
1561 | } else { |
1562 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1563 | return NLP_STE_FREED_NODE; |
1564 | } | |
dea3101e | 1565 | } |
1566 | ||
1567 | static uint32_t | |
2e0fef85 JS |
1568 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1569 | struct lpfc_nodelist *ndlp, | |
1570 | void *arg, | |
1571 | uint32_t evt) | |
dea3101e | 1572 | { |
2e0fef85 JS |
1573 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1574 | ||
92d7f7b0 JS |
1575 | /* Don't do anything that will mess up processing of the |
1576 | * previous RSCN. | |
1577 | */ | |
1578 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1579 | return ndlp->nlp_state; | |
1580 | ||
5024ab17 | 1581 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1582 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1583 | spin_lock_irq(shost->host_lock); | |
ffc95493 | 1584 | ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; |
a0f9b48d | 1585 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1586 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1587 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1588 | return ndlp->nlp_state; |
dea3101e | 1589 | } |
1590 | ||
1591 | static uint32_t | |
2e0fef85 JS |
1592 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1593 | void *arg, uint32_t evt) | |
dea3101e | 1594 | { |
1595 | struct lpfc_iocbq *cmdiocb; | |
1596 | ||
1597 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1598 | ||
2e0fef85 | 1599 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1600 | return ndlp->nlp_state; |
dea3101e | 1601 | } |
1602 | ||
1603 | static uint32_t | |
2e0fef85 JS |
1604 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1605 | void *arg, uint32_t evt) | |
dea3101e | 1606 | { |
2e0fef85 | 1607 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1608 | |
2e0fef85 | 1609 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1610 | return ndlp->nlp_state; |
dea3101e | 1611 | } |
1612 | ||
1613 | static uint32_t | |
2e0fef85 JS |
1614 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1615 | void *arg, uint32_t evt) | |
dea3101e | 1616 | { |
2e0fef85 | 1617 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1618 | |
1619 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1620 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1621 | |
2e0fef85 | 1622 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1623 | return ndlp->nlp_state; |
dea3101e | 1624 | } |
1625 | ||
1626 | static uint32_t | |
2e0fef85 JS |
1627 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1628 | void *arg, uint32_t evt) | |
dea3101e | 1629 | { |
2e0fef85 | 1630 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1631 | |
2e0fef85 | 1632 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1633 | return ndlp->nlp_state; |
dea3101e | 1634 | } |
1635 | ||
1636 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1637 | * we are logged into. We should send back a PRLO rsp setting the | |
1638 | * appropriate bits. | |
1639 | * NEXT STATE = PRLI_ISSUE | |
1640 | */ | |
1641 | static uint32_t | |
2e0fef85 JS |
1642 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1643 | void *arg, uint32_t evt) | |
dea3101e | 1644 | { |
2e0fef85 | 1645 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1646 | |
51ef4c26 | 1647 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1648 | return ndlp->nlp_state; |
dea3101e | 1649 | } |
1650 | ||
1651 | static uint32_t | |
2e0fef85 JS |
1652 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1653 | void *arg, uint32_t evt) | |
dea3101e | 1654 | { |
92d7f7b0 | 1655 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1656 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1657 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1658 | IOCB_t *irsp; |
1659 | PRLI *npr; | |
1660 | ||
1661 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1662 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1663 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1664 | ||
1665 | irsp = &rspiocb->iocb; | |
1666 | if (irsp->ulpStatus) { | |
858c9f6c | 1667 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1668 | vport->cfg_restrict_login) { |
858c9f6c JS |
1669 | goto out; |
1670 | } | |
5024ab17 | 1671 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1672 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1673 | return ndlp->nlp_state; |
dea3101e | 1674 | } |
1675 | ||
1676 | /* Check out PRLI rsp */ | |
1677 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1678 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1679 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1680 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1681 | if (npr->initiatorFunc) | |
1682 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1683 | if (npr->targetFunc) | |
1684 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1685 | if (npr->Retry) | |
1686 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1687 | } | |
92d7f7b0 JS |
1688 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1689 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1690 | vport->cfg_restrict_login) { |
858c9f6c | 1691 | out: |
92d7f7b0 JS |
1692 | spin_lock_irq(shost->host_lock); |
1693 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1694 | spin_unlock_irq(shost->host_lock); | |
1695 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1696 | ||
1697 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1698 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1699 | return ndlp->nlp_state; |
1700 | } | |
dea3101e | 1701 | |
5024ab17 | 1702 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1703 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1704 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1705 | else | |
1706 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1707 | return ndlp->nlp_state; |
dea3101e | 1708 | } |
1709 | ||
1710 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1711 | * |
1712 | * \pre | |
1713 | * \post | |
1714 | * \param phba | |
1715 | * \param ndlp | |
1716 | * \param arg | |
1717 | * \param evt | |
1718 | * \return uint32_t | |
1719 | * | |
1720 | * \b Description: | |
1721 | * This routine is envoked when we a request to remove a nport we are in the | |
1722 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1723 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1724 | * on plogi list so it can be freed when LOGO completes. | |
1725 | * | |
1726 | */ | |
1727 | ||
dea3101e | 1728 | static uint32_t |
2e0fef85 JS |
1729 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1730 | void *arg, uint32_t evt) | |
dea3101e | 1731 | { |
2e0fef85 JS |
1732 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1733 | ||
1734 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1735 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1736 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1737 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1738 | return ndlp->nlp_state; |
2e0fef85 | 1739 | } else { |
a0f9b48d | 1740 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1741 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1742 | |
2e0fef85 | 1743 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1744 | return NLP_STE_FREED_NODE; |
1745 | } | |
dea3101e | 1746 | } |
1747 | ||
1748 | ||
1749 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1750 | * |
1751 | * \pre | |
1752 | * \post | |
1753 | * \param phba | |
1754 | * \param ndlp | |
1755 | * \param arg | |
1756 | * \param evt | |
1757 | * \return uint32_t | |
1758 | * | |
1759 | * \b Description: | |
1760 | * The routine is envoked when the state of a device is unknown, like | |
1761 | * during a link down. We should remove the nodelist entry from the | |
1762 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1763 | * outstanding PRLI command, then free the node entry. | |
1764 | */ | |
dea3101e | 1765 | static uint32_t |
2e0fef85 JS |
1766 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1767 | struct lpfc_nodelist *ndlp, | |
1768 | void *arg, | |
1769 | uint32_t evt) | |
dea3101e | 1770 | { |
2e0fef85 JS |
1771 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1772 | struct lpfc_hba *phba = vport->phba; | |
1773 | ||
92d7f7b0 JS |
1774 | /* Don't do anything that will mess up processing of the |
1775 | * previous RSCN. | |
1776 | */ | |
1777 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1778 | return ndlp->nlp_state; | |
1779 | ||
dea3101e | 1780 | /* software abort outstanding PRLI */ |
07951076 | 1781 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1782 | |
5024ab17 | 1783 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1784 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1785 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1786 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1787 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1788 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1789 | return ndlp->nlp_state; |
dea3101e | 1790 | } |
1791 | ||
086a345f JS |
1792 | static uint32_t |
1793 | lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1794 | void *arg, uint32_t evt) | |
1795 | { | |
1796 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1797 | struct ls_rjt stat; | |
1798 | ||
1799 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1800 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1801 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1802 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1803 | return ndlp->nlp_state; | |
1804 | } | |
1805 | ||
1806 | static uint32_t | |
1807 | lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1808 | void *arg, uint32_t evt) | |
1809 | { | |
1810 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1811 | struct ls_rjt stat; | |
1812 | ||
1813 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1814 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1815 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1816 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1817 | return ndlp->nlp_state; | |
1818 | } | |
1819 | ||
1820 | static uint32_t | |
1821 | lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1822 | void *arg, uint32_t evt) | |
1823 | { | |
1824 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1825 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1826 | ||
1827 | spin_lock_irq(shost->host_lock); | |
1828 | ndlp->nlp_flag &= NLP_LOGO_ACC; | |
1829 | spin_unlock_irq(shost->host_lock); | |
1830 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); | |
1831 | return ndlp->nlp_state; | |
1832 | } | |
1833 | ||
1834 | static uint32_t | |
1835 | lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1836 | void *arg, uint32_t evt) | |
1837 | { | |
1838 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1839 | struct ls_rjt stat; | |
1840 | ||
1841 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1842 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1843 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1844 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1845 | return ndlp->nlp_state; | |
1846 | } | |
1847 | ||
1848 | static uint32_t | |
1849 | lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1850 | void *arg, uint32_t evt) | |
1851 | { | |
1852 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1853 | struct ls_rjt stat; | |
1854 | ||
1855 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1856 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1857 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1858 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1859 | return ndlp->nlp_state; | |
1860 | } | |
1861 | ||
1862 | static uint32_t | |
1863 | lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1864 | void *arg, uint32_t evt) | |
1865 | { | |
1866 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1867 | ||
1868 | ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE; | |
1869 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
1870 | spin_lock_irq(shost->host_lock); | |
1871 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); | |
1872 | spin_unlock_irq(shost->host_lock); | |
1873 | lpfc_disc_set_adisc(vport, ndlp); | |
1874 | return ndlp->nlp_state; | |
1875 | } | |
1876 | ||
1877 | static uint32_t | |
1878 | lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1879 | void *arg, uint32_t evt) | |
1880 | { | |
1881 | /* | |
1882 | * Take no action. If a LOGO is outstanding, then possibly DevLoss has | |
1883 | * timed out and is calling for Device Remove. In this case, the LOGO | |
1884 | * must be allowed to complete in state LOGO_ISSUE so that the rpi | |
1885 | * and other NLP flags are correctly cleaned up. | |
1886 | */ | |
1887 | return ndlp->nlp_state; | |
1888 | } | |
1889 | ||
1890 | static uint32_t | |
1891 | lpfc_device_recov_logo_issue(struct lpfc_vport *vport, | |
1892 | struct lpfc_nodelist *ndlp, | |
1893 | void *arg, uint32_t evt) | |
1894 | { | |
1895 | /* | |
1896 | * Device Recovery events have no meaning for a node with a LOGO | |
1897 | * outstanding. The LOGO has to complete first and handle the | |
1898 | * node from that point. | |
1899 | */ | |
1900 | return ndlp->nlp_state; | |
1901 | } | |
1902 | ||
dea3101e | 1903 | static uint32_t |
2e0fef85 JS |
1904 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1905 | void *arg, uint32_t evt) | |
dea3101e | 1906 | { |
2e0fef85 | 1907 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1908 | |
2e0fef85 | 1909 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1910 | return ndlp->nlp_state; |
dea3101e | 1911 | } |
1912 | ||
1913 | static uint32_t | |
2e0fef85 JS |
1914 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1915 | void *arg, uint32_t evt) | |
dea3101e | 1916 | { |
2e0fef85 | 1917 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1918 | |
2e0fef85 JS |
1919 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1920 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1921 | return ndlp->nlp_state; |
dea3101e | 1922 | } |
1923 | ||
1924 | static uint32_t | |
2e0fef85 JS |
1925 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1926 | void *arg, uint32_t evt) | |
dea3101e | 1927 | { |
2e0fef85 | 1928 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1929 | |
2e0fef85 | 1930 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1931 | return ndlp->nlp_state; |
dea3101e | 1932 | } |
1933 | ||
1934 | static uint32_t | |
2e0fef85 JS |
1935 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1936 | void *arg, uint32_t evt) | |
dea3101e | 1937 | { |
2e0fef85 | 1938 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1939 | |
2e0fef85 | 1940 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1941 | return ndlp->nlp_state; |
dea3101e | 1942 | } |
1943 | ||
1944 | static uint32_t | |
2e0fef85 JS |
1945 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1946 | void *arg, uint32_t evt) | |
dea3101e | 1947 | { |
2e0fef85 | 1948 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1949 | |
51ef4c26 | 1950 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1951 | return ndlp->nlp_state; |
dea3101e | 1952 | } |
1953 | ||
1954 | static uint32_t | |
2e0fef85 JS |
1955 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1956 | struct lpfc_nodelist *ndlp, | |
1957 | void *arg, | |
1958 | uint32_t evt) | |
dea3101e | 1959 | { |
2e0fef85 JS |
1960 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1961 | ||
5024ab17 | 1962 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1963 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1964 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1965 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1966 | spin_unlock_irq(shost->host_lock); |
1967 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1968 | |
c9f8735b | 1969 | return ndlp->nlp_state; |
dea3101e | 1970 | } |
1971 | ||
1972 | static uint32_t | |
2e0fef85 JS |
1973 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1974 | void *arg, uint32_t evt) | |
dea3101e | 1975 | { |
2e0fef85 | 1976 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1977 | |
2e0fef85 | 1978 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1979 | return ndlp->nlp_state; |
dea3101e | 1980 | } |
1981 | ||
1982 | static uint32_t | |
2e0fef85 JS |
1983 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1984 | void *arg, uint32_t evt) | |
dea3101e | 1985 | { |
2e0fef85 | 1986 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1987 | |
2e0fef85 | 1988 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1989 | return ndlp->nlp_state; |
dea3101e | 1990 | } |
1991 | ||
1992 | static uint32_t | |
2e0fef85 JS |
1993 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1994 | void *arg, uint32_t evt) | |
dea3101e | 1995 | { |
2e0fef85 | 1996 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1997 | |
2e0fef85 | 1998 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1999 | return ndlp->nlp_state; |
dea3101e | 2000 | } |
2001 | ||
2002 | static uint32_t | |
2e0fef85 JS |
2003 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
2004 | struct lpfc_nodelist *ndlp, | |
2005 | void *arg, uint32_t evt) | |
dea3101e | 2006 | { |
2e0fef85 | 2007 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2008 | |
2e0fef85 | 2009 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 2010 | return ndlp->nlp_state; |
dea3101e | 2011 | } |
2012 | ||
2013 | static uint32_t | |
2e0fef85 JS |
2014 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2015 | void *arg, uint32_t evt) | |
dea3101e | 2016 | { |
2e0fef85 JS |
2017 | struct lpfc_hba *phba = vport->phba; |
2018 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2019 | |
2020 | /* flush the target */ | |
51ef4c26 JS |
2021 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
2022 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 2023 | |
2024 | /* Treat like rcv logo */ | |
2e0fef85 | 2025 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 2026 | return ndlp->nlp_state; |
dea3101e | 2027 | } |
2028 | ||
2029 | static uint32_t | |
2e0fef85 JS |
2030 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
2031 | struct lpfc_nodelist *ndlp, | |
2032 | void *arg, | |
2033 | uint32_t evt) | |
dea3101e | 2034 | { |
2e0fef85 JS |
2035 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2036 | ||
5024ab17 | 2037 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
2038 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2039 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2040 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
2041 | spin_unlock_irq(shost->host_lock); |
2042 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 2043 | return ndlp->nlp_state; |
dea3101e | 2044 | } |
2045 | ||
2046 | static uint32_t | |
2e0fef85 JS |
2047 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2048 | void *arg, uint32_t evt) | |
dea3101e | 2049 | { |
2e0fef85 JS |
2050 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2051 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2052 | |
2053 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 2054 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 2055 | return ndlp->nlp_state; |
2e0fef85 | 2056 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 2057 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2058 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 2059 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 2060 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
2061 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
2062 | /* send PLOGI immediately, move to PLOGI issue state */ | |
2063 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2064 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2065 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
2066 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
2067 | } | |
dea3101e | 2068 | } |
c9f8735b | 2069 | return ndlp->nlp_state; |
dea3101e | 2070 | } |
2071 | ||
2072 | static uint32_t | |
2e0fef85 JS |
2073 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2074 | void *arg, uint32_t evt) | |
dea3101e | 2075 | { |
2e0fef85 JS |
2076 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2077 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
2078 | struct ls_rjt stat; | |
dea3101e | 2079 | |
2080 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2081 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2082 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 2083 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 2084 | |
2085 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2086 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 2087 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2088 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2089 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2090 | spin_unlock_irq(shost->host_lock); |
2091 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
2092 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2093 | } else { |
5024ab17 | 2094 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2095 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2096 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 2097 | } |
2098 | } | |
c9f8735b | 2099 | return ndlp->nlp_state; |
dea3101e | 2100 | } |
2101 | ||
2102 | static uint32_t | |
2e0fef85 JS |
2103 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2104 | void *arg, uint32_t evt) | |
dea3101e | 2105 | { |
2e0fef85 | 2106 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2107 | |
2e0fef85 | 2108 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2109 | return ndlp->nlp_state; |
dea3101e | 2110 | } |
2111 | ||
2112 | static uint32_t | |
2e0fef85 JS |
2113 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2114 | void *arg, uint32_t evt) | |
dea3101e | 2115 | { |
2e0fef85 | 2116 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2117 | |
2e0fef85 | 2118 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
2119 | /* |
2120 | * Do not start discovery if discovery is about to start | |
2121 | * or discovery in progress for this node. Starting discovery | |
2122 | * here will affect the counting of discovery threads. | |
2123 | */ | |
2fb9bd8b | 2124 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 2125 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 2126 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 2127 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2128 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2129 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2130 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2131 | } else { |
5024ab17 | 2132 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2133 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2134 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 2135 | } |
2136 | } | |
c9f8735b | 2137 | return ndlp->nlp_state; |
dea3101e | 2138 | } |
2139 | ||
2140 | static uint32_t | |
2e0fef85 JS |
2141 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2142 | void *arg, uint32_t evt) | |
dea3101e | 2143 | { |
2e0fef85 JS |
2144 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2145 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2146 | |
2e0fef85 | 2147 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2148 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 2149 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2150 | |
51ef4c26 | 2151 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 2152 | |
2e0fef85 | 2153 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
256ec0d0 JS |
2154 | mod_timer(&ndlp->nlp_delayfunc, |
2155 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 2156 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
2157 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2158 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 2159 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 2160 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 2161 | } else { |
2e0fef85 | 2162 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2163 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2164 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2165 | } |
c9f8735b JW |
2166 | return ndlp->nlp_state; |
2167 | } | |
dea3101e | 2168 | |
c9f8735b | 2169 | static uint32_t |
2e0fef85 JS |
2170 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2171 | void *arg, uint32_t evt) | |
c9f8735b JW |
2172 | { |
2173 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2174 | IOCB_t *irsp; |
8b455cf3 | 2175 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
c9f8735b JW |
2176 | |
2177 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2178 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2179 | |
2180 | irsp = &rspiocb->iocb; | |
2181 | if (irsp->ulpStatus) { | |
8b455cf3 | 2182 | spin_lock_irq(shost->host_lock); |
a8adb832 | 2183 | ndlp->nlp_flag |= NLP_DEFER_RM; |
8b455cf3 | 2184 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2185 | return NLP_STE_FREED_NODE; |
2186 | } | |
c9f8735b JW |
2187 | return ndlp->nlp_state; |
2188 | } | |
2189 | ||
2190 | static uint32_t | |
2e0fef85 JS |
2191 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2192 | void *arg, uint32_t evt) | |
c9f8735b JW |
2193 | { |
2194 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2195 | IOCB_t *irsp; |
c9f8735b JW |
2196 | |
2197 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2198 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2199 | |
2200 | irsp = &rspiocb->iocb; | |
2201 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2202 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2203 | return NLP_STE_FREED_NODE; |
2204 | } | |
c9f8735b | 2205 | return ndlp->nlp_state; |
dea3101e | 2206 | } |
2207 | ||
2208 | static uint32_t | |
2e0fef85 JS |
2209 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2210 | void *arg, uint32_t evt) | |
dea3101e | 2211 | { |
d7c255b2 | 2212 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
086a345f JS |
2213 | |
2214 | /* For the fabric port just clear the fc flags. */ | |
d7c255b2 JS |
2215 | if (ndlp->nlp_DID == Fabric_DID) { |
2216 | spin_lock_irq(shost->host_lock); | |
2217 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2218 | spin_unlock_irq(shost->host_lock); | |
2219 | } | |
2e0fef85 | 2220 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2221 | return ndlp->nlp_state; |
2222 | } | |
2223 | ||
2224 | static uint32_t | |
2e0fef85 JS |
2225 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2226 | void *arg, uint32_t evt) | |
c9f8735b JW |
2227 | { |
2228 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2229 | IOCB_t *irsp; |
c9f8735b JW |
2230 | |
2231 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2232 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2233 | |
2234 | irsp = &rspiocb->iocb; | |
2235 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2236 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2237 | return NLP_STE_FREED_NODE; |
2238 | } | |
c9f8735b | 2239 | return ndlp->nlp_state; |
dea3101e | 2240 | } |
2241 | ||
2242 | static uint32_t | |
2e0fef85 JS |
2243 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
2244 | struct lpfc_nodelist *ndlp, | |
2245 | void *arg, uint32_t evt) | |
dea3101e | 2246 | { |
2e0fef85 | 2247 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 2248 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2249 | |
04c68496 | 2250 | if (!mb->mbxStatus) { |
6d368e53 JS |
2251 | /* SLI4 ports have preallocated logical rpis. */ |
2252 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
2253 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 2254 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
04c68496 | 2255 | } else { |
a0f9b48d | 2256 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 2257 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2258 | return NLP_STE_FREED_NODE; |
2259 | } | |
2260 | } | |
c9f8735b | 2261 | return ndlp->nlp_state; |
dea3101e | 2262 | } |
2263 | ||
2264 | static uint32_t | |
2e0fef85 JS |
2265 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2266 | void *arg, uint32_t evt) | |
dea3101e | 2267 | { |
2e0fef85 JS |
2268 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2269 | ||
a0f9b48d | 2270 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 2271 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2272 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 2273 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2274 | return ndlp->nlp_state; |
2275 | } | |
2e0fef85 | 2276 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 2277 | return NLP_STE_FREED_NODE; |
dea3101e | 2278 | } |
2279 | ||
2280 | static uint32_t | |
2e0fef85 JS |
2281 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2282 | void *arg, uint32_t evt) | |
dea3101e | 2283 | { |
2e0fef85 JS |
2284 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2285 | ||
92d7f7b0 JS |
2286 | /* Don't do anything that will mess up processing of the |
2287 | * previous RSCN. | |
2288 | */ | |
2289 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
2290 | return ndlp->nlp_state; | |
2291 | ||
eaf15d5b | 2292 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2293 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2294 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 2295 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2296 | return ndlp->nlp_state; |
dea3101e | 2297 | } |
2298 | ||
2299 | ||
2300 | /* This next section defines the NPort Discovery State Machine */ | |
2301 | ||
2302 | /* There are 4 different double linked lists nodelist entries can reside on. | |
2303 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
2304 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
2305 | * or ADISC on. These lists will keep track of what nodes will be effected | |
2306 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
2307 | * The unmapped_list will contain all nodes that we have successfully logged | |
2308 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
2309 | * that are mapped FCP targets. | |
2310 | */ | |
2311 | /* | |
2312 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
2313 | * that we have saved binding information on. This information is used when | |
2314 | * nodes transition from the unmapped to the mapped list. | |
2315 | */ | |
2316 | /* For UNUSED_NODE state, the node has just been allocated . | |
2317 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
2318 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
2319 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
2320 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
2321 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
2322 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
2323 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
2324 | * node, the node is taken off the unmapped list. The binding list is checked | |
2325 | * for a valid binding, or a binding is automatically assigned. If binding | |
2326 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
2327 | * binding assignment is successful, the associated binding list entry (if | |
2328 | * any) is removed, and the node is placed on the mapped list. | |
2329 | */ | |
2330 | /* | |
2331 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 2332 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e | 2333 | * expire, all effected nodes will receive a DEVICE_RM event. |
2334 | */ | |
2335 | /* | |
2336 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2337 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2338 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2339 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2340 | * we will first process the ADISC list. 32 entries are processed initially and | |
2341 | * ADISC is initited for each one. Completions / Events for each node are | |
2342 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2343 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2344 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2345 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2346 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2347 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2348 | * Completions / Events for each node are funnelled thru the state machine. As | |
2349 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2350 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2351 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2352 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2353 | * unmapped lists. | |
2354 | */ | |
2355 | ||
2356 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2357 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e | 2358 | /* Action routine Event Current State */ |
2359 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2360 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2361 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2362 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2363 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2364 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2365 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2366 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2367 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2368 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2369 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2370 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
df9e1b59 | 2371 | lpfc_device_recov_unused_node, /* DEVICE_RECOVERY */ |
dea3101e | 2372 | |
2373 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2374 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2375 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e | 2376 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2377 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2378 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2379 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2380 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2381 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2382 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2383 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e | 2384 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2385 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2386 | ||
2387 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2388 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2389 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2390 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2391 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2392 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2393 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2394 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2395 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2396 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2397 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2398 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2399 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2400 | ||
2401 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2402 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2403 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2404 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2405 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2406 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2407 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2408 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2409 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2410 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2411 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2412 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2413 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2414 | ||
2415 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2416 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2417 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2418 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2419 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2420 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2421 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2422 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2423 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2424 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2425 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2426 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2427 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2428 | ||
086a345f JS |
2429 | lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */ |
2430 | lpfc_rcv_prli_logo_issue, /* RCV_PRLI */ | |
2431 | lpfc_rcv_logo_logo_issue, /* RCV_LOGO */ | |
2432 | lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */ | |
2433 | lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */ | |
2434 | lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */ | |
2435 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ | |
2436 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2437 | lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */ | |
2438 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2439 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2440 | lpfc_device_rm_logo_issue, /* DEVICE_RM */ | |
2441 | lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */ | |
2442 | ||
dea3101e | 2443 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ |
2444 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2445 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2446 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2447 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2448 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2449 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2450 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2451 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2452 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2453 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2454 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2455 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2456 | ||
2457 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2458 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2459 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2460 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2461 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2462 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2463 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2464 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2465 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2466 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2467 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2468 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2469 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2470 | ||
2471 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2472 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2473 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2474 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2475 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2476 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2477 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2478 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2479 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2480 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e | 2481 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2482 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2483 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2484 | }; | |
2485 | ||
2486 | int | |
2e0fef85 JS |
2487 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2488 | void *arg, uint32_t evt) | |
dea3101e | 2489 | { |
2490 | uint32_t cur_state, rc; | |
2e0fef85 | 2491 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2492 | uint32_t); |
e47c9093 JS |
2493 | uint32_t got_ndlp = 0; |
2494 | ||
2495 | if (lpfc_nlp_get(ndlp)) | |
2496 | got_ndlp = 1; | |
dea3101e | 2497 | |
dea3101e | 2498 | cur_state = ndlp->nlp_state; |
2499 | ||
2500 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2501 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2502 | "0211 DSM in event x%x on NPort x%x in " | |
2503 | "state %d Data: x%x\n", | |
2504 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2505 | |
858c9f6c JS |
2506 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2507 | "DSM in: evt:%d ste:%d did:x%x", | |
2508 | evt, cur_state, ndlp->nlp_DID); | |
2509 | ||
dea3101e | 2510 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2511 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e | 2512 | |
2513 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2514 | if (got_ndlp) { |
2515 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2516 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2517 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2518 | |
e47c9093 JS |
2519 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2520 | "DSM out: ste:%d did:x%x flg:x%x", | |
2521 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2522 | /* Decrement the ndlp reference count held for this function */ | |
2523 | lpfc_nlp_put(ndlp); | |
2524 | } else { | |
2525 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2526 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2527 | |
e47c9093 JS |
2528 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2529 | "DSM out: ste:%d did:x%x flg:x%x", | |
2530 | rc, 0, 0); | |
2531 | } | |
dea3101e | 2532 | |
c9f8735b | 2533 | return rc; |
dea3101e | 2534 | } |