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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. * |
92c13f29 | 4 | * Copyright (C) 2004-2013 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 | { |
2a9bf3d0 | 206 | LIST_HEAD(abort_list); |
2e0fef85 JS |
207 | struct lpfc_sli *psli = &phba->sli; |
208 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 209 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 210 | |
211 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 | 212 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
2a9bf3d0 | 213 | "2819 Abort outstanding I/O on NPort x%x " |
e8b62011 JS |
214 | "Data: x%x x%x x%x\n", |
215 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
216 | ndlp->nlp_rpi); | |
0976e1a6 | 217 | /* Clean up all fabric IOs first.*/ |
92d7f7b0 | 218 | lpfc_fabric_abort_nport(ndlp); |
dea3101e | 219 | |
0976e1a6 JS |
220 | /* |
221 | * Lock the ELS ring txcmplq for SLI3/SLI4 and build a local list | |
222 | * of all ELS IOs that need an ABTS. The IOs need to stay on the | |
223 | * txcmplq so that the abort operation completes them successfully. | |
224 | */ | |
2e0fef85 | 225 | spin_lock_irq(&phba->hbalock); |
0976e1a6 JS |
226 | if (phba->sli_rev == LPFC_SLI_REV4) |
227 | spin_lock(&pring->ring_lock); | |
228 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
229 | /* Add to abort_list on on NDLP match. */ | |
2a9bf3d0 JS |
230 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) |
231 | list_add_tail(&iocb->dlist, &abort_list); | |
07951076 | 232 | } |
0976e1a6 JS |
233 | if (phba->sli_rev == LPFC_SLI_REV4) |
234 | spin_unlock(&pring->ring_lock); | |
2e0fef85 | 235 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 236 | |
0976e1a6 | 237 | /* Abort the targeted IOs and remove them from the abort list. */ |
2a9bf3d0 JS |
238 | list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { |
239 | spin_lock_irq(&phba->hbalock); | |
240 | list_del_init(&iocb->dlist); | |
241 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
242 | spin_unlock_irq(&phba->hbalock); | |
243 | } | |
244 | ||
0976e1a6 JS |
245 | INIT_LIST_HEAD(&abort_list); |
246 | ||
247 | /* Now process the txq */ | |
248 | spin_lock_irq(&phba->hbalock); | |
249 | if (phba->sli_rev == LPFC_SLI_REV4) | |
250 | spin_lock(&pring->ring_lock); | |
251 | ||
252 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { | |
253 | /* Check to see if iocb matches the nport we are looking for */ | |
254 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { | |
255 | list_del_init(&iocb->list); | |
256 | list_add_tail(&iocb->list, &abort_list); | |
257 | } | |
258 | } | |
259 | ||
260 | if (phba->sli_rev == LPFC_SLI_REV4) | |
261 | spin_unlock(&pring->ring_lock); | |
262 | spin_unlock_irq(&phba->hbalock); | |
263 | ||
a257bf90 | 264 | /* Cancel all the IOCBs from the completions list */ |
0976e1a6 JS |
265 | lpfc_sli_cancel_iocbs(phba, &abort_list, |
266 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
2534ba75 | 267 | |
0d2b6b83 | 268 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 269 | return 0; |
dea3101e | 270 | } |
271 | ||
272 | static int | |
2e0fef85 | 273 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 274 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 275 | { |
2e0fef85 JS |
276 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
277 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 278 | struct lpfc_dmabuf *pcmd; |
279 | uint32_t *lp; | |
280 | IOCB_t *icmd; | |
281 | struct serv_parm *sp; | |
282 | LPFC_MBOXQ_t *mbox; | |
283 | struct ls_rjt stat; | |
284 | int rc; | |
285 | ||
286 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
695a814e | 287 | if (vport->port_state <= LPFC_FDISC) { |
dea3101e | 288 | /* Before responding to PLOGI, check for pt2pt mode. |
289 | * If we are pt2pt, with an outstanding FLOGI, abort | |
290 | * the FLOGI and resend it first. | |
291 | */ | |
2e0fef85 | 292 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 293 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 294 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e | 295 | /* If the other side is supposed to initiate |
296 | * the PLOGI anyway, just ACC it now and | |
297 | * move on with discovery. | |
298 | */ | |
299 | phba->fc_edtov = FF_DEF_EDTOV; | |
300 | phba->fc_ratov = FF_DEF_RATOV; | |
301 | /* Start discovery - this should just do | |
302 | CLEAR_LA */ | |
2e0fef85 | 303 | lpfc_disc_start(vport); |
ed957684 | 304 | } else |
2e0fef85 | 305 | lpfc_initial_flogi(vport); |
2fe165b6 | 306 | } else { |
dea3101e | 307 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
308 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 309 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 310 | ndlp, NULL); |
dea3101e | 311 | return 0; |
312 | } | |
313 | } | |
314 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
315 | lp = (uint32_t *) pcmd->virt; | |
316 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
317 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
318 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
319 | "0140 PLOGI Reject: invalid nname\n"); | |
320 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
321 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
322 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
323 | NULL); | |
324 | return 0; | |
325 | } | |
326 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
327 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
328 | "0141 PLOGI Reject: invalid pname\n"); | |
329 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
330 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
331 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
332 | NULL); | |
333 | return 0; | |
334 | } | |
341af102 | 335 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { |
dea3101e | 336 | /* Reject this request because invalid parameters */ |
337 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
338 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
339 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
340 | NULL); | |
c9f8735b | 341 | return 0; |
dea3101e | 342 | } |
343 | icmd = &cmdiocb->iocb; | |
344 | ||
345 | /* PLOGI chkparm OK */ | |
e8b62011 | 346 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
e74c03c8 JS |
347 | "0114 PLOGI chkparm OK Data: x%x x%x x%x " |
348 | "x%x x%x x%x\n", | |
e8b62011 | 349 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, |
e74c03c8 JS |
350 | ndlp->nlp_rpi, vport->port_state, |
351 | vport->fc_flag); | |
dea3101e | 352 | |
3de2a653 | 353 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 354 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 355 | else |
dea3101e | 356 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 357 | |
dea3101e | 358 | ndlp->nlp_class_sup = 0; |
359 | if (sp->cls1.classValid) | |
360 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
361 | if (sp->cls2.classValid) | |
362 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
363 | if (sp->cls3.classValid) | |
364 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
365 | if (sp->cls4.classValid) | |
366 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
367 | ndlp->nlp_maxframe = | |
368 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
369 | ||
0558056c | 370 | /* no need to reg_login if we are already in one of these states */ |
2fe165b6 | 371 | switch (ndlp->nlp_state) { |
dea3101e | 372 | case NLP_STE_NPR_NODE: |
373 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
374 | break; | |
375 | case NLP_STE_REG_LOGIN_ISSUE: | |
376 | case NLP_STE_PRLI_ISSUE: | |
377 | case NLP_STE_UNMAPPED_NODE: | |
378 | case NLP_STE_MAPPED_NODE: | |
0558056c JS |
379 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
380 | return 1; | |
dea3101e | 381 | } |
382 | ||
939723a4 | 383 | /* Check for Nport to NPort pt2pt protocol */ |
92d7f7b0 JS |
384 | if ((vport->fc_flag & FC_PT2PT) && |
385 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
939723a4 | 386 | |
dea3101e | 387 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 388 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e | 389 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
390 | if (mbox == NULL) | |
391 | goto out; | |
392 | lpfc_config_link(phba, mbox); | |
393 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 394 | mbox->vport = vport; |
0b727fea | 395 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 396 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 397 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 398 | goto out; |
399 | } | |
939723a4 JS |
400 | /* |
401 | * For SLI4, the VFI/VPI are registered AFTER the | |
402 | * Nport with the higher WWPN sends us a PLOGI with | |
403 | * our assigned NPortId. | |
404 | */ | |
405 | if (phba->sli_rev == LPFC_SLI_REV4) | |
406 | lpfc_issue_reg_vfi(vport); | |
dea3101e | 407 | |
2e0fef85 | 408 | lpfc_can_disctmo(vport); |
dea3101e | 409 | } |
410 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 411 | if (!mbox) |
dea3101e | 412 | goto out; |
413 | ||
6b5151fd JS |
414 | /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ |
415 | if (phba->sli_rev == LPFC_SLI_REV4) | |
416 | lpfc_unreg_rpi(vport, ndlp); | |
417 | ||
6fb120a7 | 418 | rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, |
4042629e | 419 | (uint8_t *) sp, mbox, ndlp->nlp_rpi); |
2e0fef85 JS |
420 | if (rc) { |
421 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 422 | goto out; |
423 | } | |
424 | ||
425 | /* ACC PLOGI rsp command needs to execute first, | |
426 | * queue this mbox command to be processed later. | |
427 | */ | |
428 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
429 | /* |
430 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
431 | * command issued in lpfc_cmpl_els_acc(). | |
432 | */ | |
2e0fef85 JS |
433 | mbox->vport = vport; |
434 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 435 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 436 | spin_unlock_irq(shost->host_lock); |
dea3101e | 437 | |
33ccf8d1 JS |
438 | /* |
439 | * If there is an outstanding PLOGI issued, abort it before | |
440 | * sending ACC rsp for received PLOGI. If pending plogi | |
441 | * is not canceled here, the plogi will be rejected by | |
442 | * remote port and will be retried. On a configuration with | |
443 | * single discovery thread, this will cause a huge delay in | |
444 | * discovery. Also this will cause multiple state machines | |
445 | * running in parallel for this node. | |
446 | */ | |
447 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
448 | /* software abort outstanding PLOGI */ | |
07951076 | 449 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
450 | } |
451 | ||
858c9f6c | 452 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 453 | vport->cfg_restrict_login)) { |
858c9f6c JS |
454 | |
455 | /* In order to preserve RPIs, we want to cleanup | |
456 | * the default RPI the firmware created to rcv | |
457 | * this ELS request. The only way to do this is | |
458 | * to register, then unregister the RPI. | |
459 | */ | |
460 | spin_lock_irq(shost->host_lock); | |
461 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
462 | spin_unlock_irq(shost->host_lock); | |
463 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
464 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
0a8a86fa | 465 | rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 466 | ndlp, mbox); |
0a8a86fa JS |
467 | if (rc) |
468 | mempool_free(mbox, phba->mbox_mem_pool); | |
858c9f6c JS |
469 | return 1; |
470 | } | |
0a8a86fa JS |
471 | rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
472 | if (rc) | |
473 | mempool_free(mbox, phba->mbox_mem_pool); | |
c9f8735b | 474 | return 1; |
dea3101e | 475 | out: |
476 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
477 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 478 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 479 | return 0; |
dea3101e | 480 | } |
481 | ||
6b5151fd JS |
482 | /** |
483 | * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine | |
484 | * @phba: pointer to lpfc hba data structure. | |
485 | * @mboxq: pointer to mailbox object | |
486 | * | |
487 | * This routine is invoked to issue a completion to a rcv'ed | |
488 | * ADISC or PDISC after the paused RPI has been resumed. | |
489 | **/ | |
490 | static void | |
491 | lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
492 | { | |
493 | struct lpfc_vport *vport; | |
494 | struct lpfc_iocbq *elsiocb; | |
495 | struct lpfc_nodelist *ndlp; | |
496 | uint32_t cmd; | |
497 | ||
498 | elsiocb = (struct lpfc_iocbq *)mboxq->context1; | |
499 | ndlp = (struct lpfc_nodelist *) mboxq->context2; | |
500 | vport = mboxq->vport; | |
501 | cmd = elsiocb->drvrTimeout; | |
502 | ||
503 | if (cmd == ELS_CMD_ADISC) { | |
504 | lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); | |
505 | } else { | |
506 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, | |
507 | ndlp, NULL); | |
508 | } | |
509 | kfree(elsiocb); | |
72859909 | 510 | mempool_free(mboxq, phba->mbox_mem_pool); |
6b5151fd JS |
511 | } |
512 | ||
dea3101e | 513 | static int |
2e0fef85 | 514 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 515 | struct lpfc_iocbq *cmdiocb) |
516 | { | |
2e0fef85 | 517 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6b5151fd | 518 | struct lpfc_iocbq *elsiocb; |
dea3101e | 519 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
520 | struct serv_parm *sp; |
521 | struct lpfc_name *pnn, *ppn; | |
dea3101e | 522 | struct ls_rjt stat; |
523 | ADISC *ap; | |
524 | IOCB_t *icmd; | |
525 | uint32_t *lp; | |
526 | uint32_t cmd; | |
527 | ||
528 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
529 | lp = (uint32_t *) pcmd->virt; | |
530 | ||
531 | cmd = *lp++; | |
532 | if (cmd == ELS_CMD_ADISC) { | |
533 | ap = (ADISC *) lp; | |
534 | pnn = (struct lpfc_name *) & ap->nodeName; | |
535 | ppn = (struct lpfc_name *) & ap->portName; | |
536 | } else { | |
537 | sp = (struct serv_parm *) lp; | |
538 | pnn = (struct lpfc_name *) & sp->nodeName; | |
539 | ppn = (struct lpfc_name *) & sp->portName; | |
540 | } | |
541 | ||
542 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 543 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
6b5151fd JS |
544 | |
545 | /* | |
546 | * As soon as we send ACC, the remote NPort can | |
547 | * start sending us data. Thus, for SLI4 we must | |
548 | * resume the RPI before the ACC goes out. | |
549 | */ | |
550 | if (vport->phba->sli_rev == LPFC_SLI_REV4) { | |
551 | elsiocb = kmalloc(sizeof(struct lpfc_iocbq), | |
552 | GFP_KERNEL); | |
553 | if (elsiocb) { | |
554 | ||
555 | /* Save info from cmd IOCB used in rsp */ | |
556 | memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, | |
557 | sizeof(struct lpfc_iocbq)); | |
558 | ||
559 | /* Save the ELS cmd */ | |
560 | elsiocb->drvrTimeout = cmd; | |
561 | ||
562 | lpfc_sli4_resume_rpi(ndlp, | |
563 | lpfc_mbx_cmpl_resume_rpi, elsiocb); | |
564 | goto out; | |
565 | } | |
566 | } | |
567 | ||
dea3101e | 568 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 569 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 570 | } else { |
6b5151fd JS |
571 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, |
572 | ndlp, NULL); | |
dea3101e | 573 | } |
6b5151fd JS |
574 | out: |
575 | /* If we are authenticated, move to the proper state */ | |
576 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
577 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
578 | else | |
579 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
580 | ||
c9f8735b | 581 | return 1; |
dea3101e | 582 | } |
583 | /* Reject this request because invalid parameters */ | |
584 | stat.un.b.lsRjtRsvd0 = 0; | |
585 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
586 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
587 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 588 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 589 | |
dea3101e | 590 | /* 1 sec timeout */ |
256ec0d0 | 591 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); |
dea3101e | 592 | |
2e0fef85 | 593 | spin_lock_irq(shost->host_lock); |
dea3101e | 594 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 595 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
596 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
597 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 598 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 599 | return 0; |
dea3101e | 600 | } |
601 | ||
602 | static int | |
2e0fef85 JS |
603 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
604 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 605 | { |
2e0fef85 | 606 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4b40c59e JS |
607 | struct lpfc_hba *phba = vport->phba; |
608 | struct lpfc_vport **vports; | |
609 | int i, active_vlink_present = 0 ; | |
2e0fef85 JS |
610 | |
611 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e | 612 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
613 | * PLOGIs during LOGO storms from a device. | |
614 | */ | |
2e0fef85 | 615 | spin_lock_irq(shost->host_lock); |
dea3101e | 616 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 617 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 618 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 619 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 620 | else |
51ef4c26 | 621 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
4b40c59e JS |
622 | if (ndlp->nlp_DID == Fabric_DID) { |
623 | if (vport->port_state <= LPFC_FDISC) | |
624 | goto out; | |
6fb120a7 | 625 | lpfc_linkdown_port(vport); |
6fb120a7 | 626 | spin_lock_irq(shost->host_lock); |
4b40c59e | 627 | vport->fc_flag |= FC_VPORT_LOGO_RCVD; |
6fb120a7 | 628 | spin_unlock_irq(shost->host_lock); |
4b40c59e JS |
629 | vports = lpfc_create_vport_work_array(phba); |
630 | if (vports) { | |
631 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
632 | i++) { | |
633 | if ((!(vports[i]->fc_flag & | |
634 | FC_VPORT_LOGO_RCVD)) && | |
635 | (vports[i]->port_state > LPFC_FDISC)) { | |
636 | active_vlink_present = 1; | |
637 | break; | |
638 | } | |
639 | } | |
640 | lpfc_destroy_vport_work_array(phba, vports); | |
641 | } | |
dea3101e | 642 | |
4b40c59e JS |
643 | if (active_vlink_present) { |
644 | /* | |
645 | * If there are other active VLinks present, | |
646 | * re-instantiate the Vlink using FDISC. | |
647 | */ | |
256ec0d0 JS |
648 | mod_timer(&ndlp->nlp_delayfunc, |
649 | jiffies + msecs_to_jiffies(1000)); | |
4b40c59e JS |
650 | spin_lock_irq(shost->host_lock); |
651 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
652 | spin_unlock_irq(shost->host_lock); | |
653 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; | |
654 | vport->port_state = LPFC_FDISC; | |
655 | } else { | |
656 | spin_lock_irq(shost->host_lock); | |
657 | phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; | |
658 | spin_unlock_irq(shost->host_lock); | |
659 | lpfc_retry_pport_discovery(phba); | |
660 | } | |
6fb120a7 JS |
661 | } else if ((!(ndlp->nlp_type & NLP_FABRIC) && |
662 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
663 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
664 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 665 | /* Only try to re-login if this is NOT a Fabric Node */ |
256ec0d0 JS |
666 | mod_timer(&ndlp->nlp_delayfunc, |
667 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 668 | spin_lock_irq(shost->host_lock); |
dea3101e | 669 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 670 | spin_unlock_irq(shost->host_lock); |
dea3101e | 671 | |
5024ab17 | 672 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 673 | } |
4b40c59e | 674 | out: |
87af33fe JS |
675 | ndlp->nlp_prev_state = ndlp->nlp_state; |
676 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 677 | |
2e0fef85 | 678 | spin_lock_irq(shost->host_lock); |
dea3101e | 679 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 680 | spin_unlock_irq(shost->host_lock); |
dea3101e | 681 | /* The driver has to wait until the ACC completes before it continues |
682 | * processing the LOGO. The action will resume in | |
683 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
684 | * unreg_login, the driver waits so the ACC does not get aborted. | |
685 | */ | |
c9f8735b | 686 | return 0; |
dea3101e | 687 | } |
688 | ||
689 | static void | |
2e0fef85 JS |
690 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
691 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 692 | { |
693 | struct lpfc_dmabuf *pcmd; | |
694 | uint32_t *lp; | |
695 | PRLI *npr; | |
696 | struct fc_rport *rport = ndlp->rport; | |
697 | u32 roles; | |
698 | ||
699 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
700 | lp = (uint32_t *) pcmd->virt; | |
701 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
702 | ||
703 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
704 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
3cb01c57 | 705 | ndlp->nlp_flag &= ~NLP_FIRSTBURST; |
92d7f7b0 | 706 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e | 707 | if (npr->initiatorFunc) |
708 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
3cb01c57 | 709 | if (npr->targetFunc) { |
dea3101e | 710 | ndlp->nlp_type |= NLP_FCP_TARGET; |
3cb01c57 JS |
711 | if (npr->writeXferRdyDis) |
712 | ndlp->nlp_flag |= NLP_FIRSTBURST; | |
713 | } | |
dea3101e | 714 | if (npr->Retry) |
715 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
716 | } | |
717 | if (rport) { | |
718 | /* We need to update the rport role values */ | |
719 | roles = FC_RPORT_ROLE_UNKNOWN; | |
720 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
721 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
722 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
723 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
724 | |
725 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
726 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
727 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
728 | ||
dea3101e | 729 | fc_remote_port_rolechg(rport, roles); |
730 | } | |
731 | } | |
732 | ||
733 | static uint32_t | |
2e0fef85 | 734 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 735 | { |
2e0fef85 | 736 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 737 | |
4042629e | 738 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { |
51ef4c26 JS |
739 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
740 | return 0; | |
741 | } | |
742 | ||
1b32f6aa JS |
743 | if (!(vport->fc_flag & FC_PT2PT)) { |
744 | /* Check config parameter use-adisc or FCP-2 */ | |
745 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || | |
ffc95493 JS |
746 | ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && |
747 | (ndlp->nlp_type & NLP_FCP_TARGET))) { | |
1b32f6aa JS |
748 | spin_lock_irq(shost->host_lock); |
749 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
750 | spin_unlock_irq(shost->host_lock); | |
751 | return 1; | |
752 | } | |
92d7f7b0 JS |
753 | } |
754 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
755 | lpfc_unreg_rpi(vport, ndlp); | |
756 | return 0; | |
dea3101e | 757 | } |
6d368e53 | 758 | |
78730cfe | 759 | /** |
25985edc | 760 | * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd. |
78730cfe JS |
761 | * @phba : Pointer to lpfc_hba structure. |
762 | * @vport: Pointer to lpfc_vport structure. | |
763 | * @rpi : rpi to be release. | |
764 | * | |
765 | * This function will send a unreg_login mailbox command to the firmware | |
766 | * to release a rpi. | |
767 | **/ | |
768 | void | |
769 | lpfc_release_rpi(struct lpfc_hba *phba, | |
770 | struct lpfc_vport *vport, | |
771 | uint16_t rpi) | |
772 | { | |
773 | LPFC_MBOXQ_t *pmb; | |
774 | int rc; | |
775 | ||
776 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
777 | GFP_KERNEL); | |
778 | if (!pmb) | |
779 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
780 | "2796 mailbox memory allocation failed \n"); | |
781 | else { | |
782 | lpfc_unreg_login(phba, vport->vpi, rpi, pmb); | |
783 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
784 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
785 | if (rc == MBX_NOT_FINISHED) | |
786 | mempool_free(pmb, phba->mbox_mem_pool); | |
787 | } | |
788 | } | |
dea3101e | 789 | |
790 | static uint32_t | |
2e0fef85 JS |
791 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
792 | void *arg, uint32_t evt) | |
dea3101e | 793 | { |
78730cfe JS |
794 | struct lpfc_hba *phba; |
795 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
796 | MAILBOX_t *mb; | |
797 | uint16_t rpi; | |
798 | ||
799 | phba = vport->phba; | |
800 | /* Release the RPI if reglogin completing */ | |
801 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
802 | (evt == NLP_EVT_CMPL_REG_LOGIN) && | |
803 | (!pmb->u.mb.mbxStatus)) { | |
804 | mb = &pmb->u.mb; | |
805 | rpi = pmb->u.mb.un.varWords[0]; | |
806 | lpfc_release_rpi(phba, vport, rpi); | |
807 | } | |
e8b62011 | 808 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 809 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
810 | "event x%x, state x%x Data: x%x x%x\n", |
811 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
812 | ndlp->nlp_flag); | |
c9f8735b | 813 | return ndlp->nlp_state; |
dea3101e | 814 | } |
815 | ||
87af33fe JS |
816 | static uint32_t |
817 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
818 | void *arg, uint32_t evt) | |
819 | { | |
820 | /* This transition is only legal if we previously | |
821 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
822 | * working on the same NPortID, do nothing for this thread | |
823 | * to stop it. | |
824 | */ | |
825 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
826 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 827 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
828 | "event x%x, state x%x Data: x%x x%x\n", |
829 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
830 | ndlp->nlp_flag); | |
831 | } | |
832 | return ndlp->nlp_state; | |
833 | } | |
834 | ||
dea3101e | 835 | /* Start of Discovery State Machine routines */ |
836 | ||
837 | static uint32_t | |
2e0fef85 JS |
838 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
839 | void *arg, uint32_t evt) | |
dea3101e | 840 | { |
841 | struct lpfc_iocbq *cmdiocb; | |
842 | ||
843 | cmdiocb = (struct lpfc_iocbq *) arg; | |
844 | ||
2e0fef85 | 845 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 846 | return ndlp->nlp_state; |
dea3101e | 847 | } |
c9f8735b | 848 | return NLP_STE_FREED_NODE; |
dea3101e | 849 | } |
850 | ||
851 | static uint32_t | |
2e0fef85 JS |
852 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
853 | void *arg, uint32_t evt) | |
dea3101e | 854 | { |
2e0fef85 | 855 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 856 | return ndlp->nlp_state; |
dea3101e | 857 | } |
858 | ||
859 | static uint32_t | |
2e0fef85 JS |
860 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
861 | void *arg, uint32_t evt) | |
dea3101e | 862 | { |
2e0fef85 JS |
863 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
864 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 865 | |
2e0fef85 | 866 | spin_lock_irq(shost->host_lock); |
dea3101e | 867 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 868 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 869 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 870 | |
c9f8735b | 871 | return ndlp->nlp_state; |
dea3101e | 872 | } |
873 | ||
874 | static uint32_t | |
2e0fef85 JS |
875 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
876 | void *arg, uint32_t evt) | |
dea3101e | 877 | { |
c9f8735b | 878 | return NLP_STE_FREED_NODE; |
dea3101e | 879 | } |
880 | ||
881 | static uint32_t | |
2e0fef85 JS |
882 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
883 | void *arg, uint32_t evt) | |
dea3101e | 884 | { |
c9f8735b | 885 | return NLP_STE_FREED_NODE; |
dea3101e | 886 | } |
887 | ||
df9e1b59 JS |
888 | static uint32_t |
889 | lpfc_device_recov_unused_node(struct lpfc_vport *vport, | |
890 | struct lpfc_nodelist *ndlp, | |
891 | void *arg, uint32_t evt) | |
892 | { | |
893 | return ndlp->nlp_state; | |
894 | } | |
895 | ||
dea3101e | 896 | static uint32_t |
2e0fef85 | 897 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 898 | void *arg, uint32_t evt) |
899 | { | |
0d2b6b83 | 900 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 901 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 902 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
903 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
904 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
905 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e | 906 | struct ls_rjt stat; |
907 | int port_cmp; | |
908 | ||
dea3101e | 909 | memset(&stat, 0, sizeof (struct ls_rjt)); |
910 | ||
911 | /* For a PLOGI, we only accept if our portname is less | |
912 | * than the remote portname. | |
913 | */ | |
914 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 915 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 916 | sizeof(struct lpfc_name)); |
dea3101e | 917 | |
918 | if (port_cmp >= 0) { | |
919 | /* Reject this request because the remote node will accept | |
920 | ours */ | |
921 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
922 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
923 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
924 | NULL); | |
2fe165b6 | 925 | } else { |
0d2b6b83 JS |
926 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
927 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
928 | (vport->num_disc_nodes)) { | |
929 | spin_lock_irq(shost->host_lock); | |
930 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
931 | spin_unlock_irq(shost->host_lock); | |
932 | /* Check if there are more PLOGIs to be sent */ | |
933 | lpfc_more_plogi(vport); | |
934 | if (vport->num_disc_nodes == 0) { | |
935 | spin_lock_irq(shost->host_lock); | |
936 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
937 | spin_unlock_irq(shost->host_lock); | |
938 | lpfc_can_disctmo(vport); | |
939 | lpfc_end_rscn(vport); | |
940 | } | |
941 | } | |
2e0fef85 | 942 | } /* If our portname was less */ |
dea3101e | 943 | |
c9f8735b JW |
944 | return ndlp->nlp_state; |
945 | } | |
946 | ||
92d7f7b0 JS |
947 | static uint32_t |
948 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
949 | void *arg, uint32_t evt) | |
950 | { | |
951 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
952 | struct ls_rjt stat; | |
953 | ||
954 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
955 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
956 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 957 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
958 | return ndlp->nlp_state; |
959 | } | |
960 | ||
c9f8735b | 961 | static uint32_t |
2e0fef85 JS |
962 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
963 | void *arg, uint32_t evt) | |
c9f8735b | 964 | { |
2e0fef85 | 965 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 966 | |
92d7f7b0 | 967 | /* software abort outstanding PLOGI */ |
2e0fef85 | 968 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 969 | |
2e0fef85 | 970 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 971 | return ndlp->nlp_state; |
dea3101e | 972 | } |
973 | ||
974 | static uint32_t | |
2e0fef85 JS |
975 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
976 | void *arg, uint32_t evt) | |
dea3101e | 977 | { |
2e0fef85 JS |
978 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
979 | struct lpfc_hba *phba = vport->phba; | |
980 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 981 | |
982 | /* software abort outstanding PLOGI */ | |
07951076 | 983 | lpfc_els_abort(phba, ndlp); |
dea3101e | 984 | |
985 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 986 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 987 | } else { |
2e0fef85 | 988 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e | 989 | } |
990 | ||
2e0fef85 | 991 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
256ec0d0 | 992 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000 * 1)); |
2e0fef85 | 993 | spin_lock_irq(shost->host_lock); |
5024ab17 | 994 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 995 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
996 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
997 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 998 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 999 | |
c9f8735b | 1000 | return ndlp->nlp_state; |
dea3101e | 1001 | } |
1002 | ||
1003 | static uint32_t | |
2e0fef85 JS |
1004 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
1005 | struct lpfc_nodelist *ndlp, | |
1006 | void *arg, | |
dea3101e | 1007 | uint32_t evt) |
1008 | { | |
2e0fef85 | 1009 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 1010 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1011 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 1012 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 1013 | uint32_t *lp; |
1014 | IOCB_t *irsp; | |
1015 | struct serv_parm *sp; | |
1016 | LPFC_MBOXQ_t *mbox; | |
1017 | ||
1018 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1019 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1020 | ||
1021 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 1022 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 1023 | return ndlp->nlp_state; |
dea3101e | 1024 | } |
1025 | ||
1026 | irsp = &rspiocb->iocb; | |
1027 | ||
1028 | if (irsp->ulpStatus) | |
1029 | goto out; | |
1030 | ||
1031 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
1032 | ||
2e0fef85 | 1033 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 1034 | |
2e0fef85 | 1035 | lp = (uint32_t *) prsp->virt; |
dea3101e | 1036 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
1037 | |
1038 | /* Some switches have FDMI servers returning 0 for WWN */ | |
1039 | if ((ndlp->nlp_DID != FDMI_DID) && | |
1040 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
1041 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
1042 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1043 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
1044 | goto out; | |
1045 | } | |
341af102 | 1046 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) |
dea3101e | 1047 | goto out; |
dea3101e | 1048 | /* PLOGI chkparm OK */ |
e8b62011 JS |
1049 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1050 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
1051 | ndlp->nlp_DID, ndlp->nlp_state, | |
1052 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 1053 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 1054 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 1055 | else |
dea3101e | 1056 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 1057 | |
dea3101e | 1058 | ndlp->nlp_class_sup = 0; |
1059 | if (sp->cls1.classValid) | |
1060 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
1061 | if (sp->cls2.classValid) | |
1062 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
1063 | if (sp->cls3.classValid) | |
1064 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
1065 | if (sp->cls4.classValid) | |
1066 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
1067 | ndlp->nlp_maxframe = | |
2e0fef85 | 1068 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 1069 | |
2e0fef85 | 1070 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 1071 | if (!mbox) { |
e8b62011 JS |
1072 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1073 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 1074 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
1075 | ndlp->nlp_DID, ndlp->nlp_state, |
1076 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1077 | goto out; |
92d7f7b0 | 1078 | } |
dea3101e | 1079 | |
2e0fef85 JS |
1080 | lpfc_unreg_rpi(vport, ndlp); |
1081 | ||
6fb120a7 | 1082 | if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
4042629e | 1083 | (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { |
2fe165b6 | 1084 | switch (ndlp->nlp_DID) { |
dea3101e | 1085 | case NameServer_DID: |
de0c5b32 | 1086 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e | 1087 | break; |
1088 | case FDMI_DID: | |
de0c5b32 | 1089 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e | 1090 | break; |
1091 | default: | |
ffc95493 | 1092 | ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; |
de0c5b32 | 1093 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 1094 | } |
329f9bc7 | 1095 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 1096 | mbox->vport = vport; |
0b727fea | 1097 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 1098 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
1099 | lpfc_nlp_set_state(vport, ndlp, |
1100 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 1101 | return ndlp->nlp_state; |
dea3101e | 1102 | } |
ffc95493 JS |
1103 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
1104 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
fa4066b6 JS |
1105 | /* decrement node reference count to the failed mbox |
1106 | * command | |
1107 | */ | |
329f9bc7 | 1108 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 1109 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
1110 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1111 | kfree(mp); | |
dea3101e | 1112 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 1113 | |
e8b62011 JS |
1114 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1115 | "0134 PLOGI: cannot issue reg_login " | |
1116 | "Data: x%x x%x x%x x%x\n", | |
1117 | ndlp->nlp_DID, ndlp->nlp_state, | |
1118 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1119 | } else { |
1120 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1121 | |
e8b62011 JS |
1122 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1123 | "0135 PLOGI: cannot format reg_login " | |
1124 | "Data: x%x x%x x%x x%x\n", | |
1125 | ndlp->nlp_DID, ndlp->nlp_state, | |
1126 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1127 | } |
1128 | ||
1129 | ||
92d7f7b0 JS |
1130 | out: |
1131 | if (ndlp->nlp_DID == NameServer_DID) { | |
1132 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1133 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1134 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
1135 | } |
1136 | ||
8b455cf3 JS |
1137 | /* |
1138 | ** In case the node reference counter does not go to zero, ensure that | |
1139 | ** the stale state for the node is not processed. | |
1140 | */ | |
1141 | ||
1142 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
1143 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
0ff10d46 | 1144 | spin_lock_irq(shost->host_lock); |
a8adb832 | 1145 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 1146 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1147 | return NLP_STE_FREED_NODE; |
dea3101e | 1148 | } |
1149 | ||
0ff10d46 JS |
1150 | static uint32_t |
1151 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1152 | void *arg, uint32_t evt) | |
1153 | { | |
1154 | return ndlp->nlp_state; | |
1155 | } | |
1156 | ||
1157 | static uint32_t | |
1158 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
1159 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
1160 | { | |
78730cfe JS |
1161 | struct lpfc_hba *phba; |
1162 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
1163 | MAILBOX_t *mb = &pmb->u.mb; | |
1164 | uint16_t rpi; | |
1165 | ||
1166 | phba = vport->phba; | |
1167 | /* Release the RPI */ | |
1168 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
1169 | !mb->mbxStatus) { | |
1170 | rpi = pmb->u.mb.un.varWords[0]; | |
1171 | lpfc_release_rpi(phba, vport, rpi); | |
1172 | } | |
0ff10d46 JS |
1173 | return ndlp->nlp_state; |
1174 | } | |
1175 | ||
dea3101e | 1176 | static uint32_t |
2e0fef85 JS |
1177 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1178 | void *arg, uint32_t evt) | |
dea3101e | 1179 | { |
2e0fef85 JS |
1180 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1181 | ||
1182 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1183 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1184 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1185 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1186 | return ndlp->nlp_state; |
2e0fef85 | 1187 | } else { |
a0f9b48d | 1188 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1189 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1190 | |
2e0fef85 | 1191 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1192 | return NLP_STE_FREED_NODE; |
1193 | } | |
dea3101e | 1194 | } |
1195 | ||
1196 | static uint32_t | |
2e0fef85 JS |
1197 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
1198 | struct lpfc_nodelist *ndlp, | |
1199 | void *arg, | |
1200 | uint32_t evt) | |
dea3101e | 1201 | { |
2e0fef85 JS |
1202 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1203 | struct lpfc_hba *phba = vport->phba; | |
1204 | ||
92d7f7b0 JS |
1205 | /* Don't do anything that will mess up processing of the |
1206 | * previous RSCN. | |
1207 | */ | |
1208 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1209 | return ndlp->nlp_state; | |
1210 | ||
dea3101e | 1211 | /* software abort outstanding PLOGI */ |
07951076 | 1212 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1213 | |
5024ab17 | 1214 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 1215 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 1216 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1217 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1218 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1219 | |
c9f8735b | 1220 | return ndlp->nlp_state; |
dea3101e | 1221 | } |
1222 | ||
1223 | static uint32_t | |
2e0fef85 JS |
1224 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1225 | void *arg, uint32_t evt) | |
dea3101e | 1226 | { |
0d2b6b83 | 1227 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1228 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1229 | struct lpfc_iocbq *cmdiocb; |
1230 | ||
1231 | /* software abort outstanding ADISC */ | |
07951076 | 1232 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1233 | |
1234 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1235 | ||
0d2b6b83 JS |
1236 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1237 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1238 | spin_lock_irq(shost->host_lock); | |
1239 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1240 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 1241 | if (vport->num_disc_nodes) |
0d2b6b83 | 1242 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1243 | } |
1244 | return ndlp->nlp_state; | |
1245 | } | |
5024ab17 | 1246 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1247 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1248 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1249 | |
c9f8735b | 1250 | return ndlp->nlp_state; |
dea3101e | 1251 | } |
1252 | ||
1253 | static uint32_t | |
2e0fef85 JS |
1254 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1255 | void *arg, uint32_t evt) | |
dea3101e | 1256 | { |
2e0fef85 | 1257 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1258 | |
2e0fef85 | 1259 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1260 | return ndlp->nlp_state; |
dea3101e | 1261 | } |
1262 | ||
1263 | static uint32_t | |
2e0fef85 JS |
1264 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1265 | void *arg, uint32_t evt) | |
dea3101e | 1266 | { |
2e0fef85 | 1267 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1268 | struct lpfc_iocbq *cmdiocb; |
1269 | ||
1270 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1271 | ||
1272 | /* software abort outstanding ADISC */ | |
07951076 | 1273 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1274 | |
2e0fef85 | 1275 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1276 | return ndlp->nlp_state; |
dea3101e | 1277 | } |
1278 | ||
1279 | static uint32_t | |
2e0fef85 JS |
1280 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1281 | struct lpfc_nodelist *ndlp, | |
1282 | void *arg, uint32_t evt) | |
dea3101e | 1283 | { |
1284 | struct lpfc_iocbq *cmdiocb; | |
1285 | ||
1286 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1287 | ||
2e0fef85 | 1288 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1289 | return ndlp->nlp_state; |
dea3101e | 1290 | } |
1291 | ||
1292 | static uint32_t | |
2e0fef85 JS |
1293 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1294 | void *arg, uint32_t evt) | |
dea3101e | 1295 | { |
1296 | struct lpfc_iocbq *cmdiocb; | |
1297 | ||
1298 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1299 | ||
1300 | /* Treat like rcv logo */ | |
2e0fef85 | 1301 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1302 | return ndlp->nlp_state; |
dea3101e | 1303 | } |
1304 | ||
1305 | static uint32_t | |
2e0fef85 JS |
1306 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1307 | struct lpfc_nodelist *ndlp, | |
1308 | void *arg, uint32_t evt) | |
dea3101e | 1309 | { |
2e0fef85 JS |
1310 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1311 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1312 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1313 | IOCB_t *irsp; | |
1314 | ADISC *ap; | |
6fb120a7 | 1315 | int rc; |
dea3101e | 1316 | |
1317 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1318 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1319 | ||
1320 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1321 | irsp = &rspiocb->iocb; | |
1322 | ||
1323 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1324 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e | 1325 | /* 1 sec timeout */ |
256ec0d0 JS |
1326 | mod_timer(&ndlp->nlp_delayfunc, |
1327 | jiffies + msecs_to_jiffies(1000)); | |
2e0fef85 | 1328 | spin_lock_irq(shost->host_lock); |
dea3101e | 1329 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1330 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1331 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1332 | |
2e0fef85 JS |
1333 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1334 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1335 | |
5024ab17 | 1336 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1337 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1338 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1339 | return ndlp->nlp_state; |
dea3101e | 1340 | } |
5024ab17 | 1341 | |
6fb120a7 | 1342 | if (phba->sli_rev == LPFC_SLI_REV4) { |
6b5151fd | 1343 | rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); |
6fb120a7 JS |
1344 | if (rc) { |
1345 | /* Stay in state and retry. */ | |
1346 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; | |
1347 | return ndlp->nlp_state; | |
1348 | } | |
1349 | } | |
1350 | ||
2501322e | 1351 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1352 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1353 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1354 | } else { |
5024ab17 | 1355 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1356 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1357 | } |
6fb120a7 | 1358 | |
c9f8735b | 1359 | return ndlp->nlp_state; |
dea3101e | 1360 | } |
1361 | ||
1362 | static uint32_t | |
2e0fef85 JS |
1363 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1364 | void *arg, uint32_t evt) | |
dea3101e | 1365 | { |
2e0fef85 JS |
1366 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1367 | ||
1368 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1369 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1370 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1371 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1372 | return ndlp->nlp_state; |
2e0fef85 | 1373 | } else { |
a0f9b48d | 1374 | /* software abort outstanding ADISC */ |
2e0fef85 | 1375 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1376 | |
2e0fef85 | 1377 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1378 | return NLP_STE_FREED_NODE; |
1379 | } | |
dea3101e | 1380 | } |
1381 | ||
1382 | static uint32_t | |
2e0fef85 JS |
1383 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1384 | struct lpfc_nodelist *ndlp, | |
1385 | void *arg, | |
1386 | uint32_t evt) | |
dea3101e | 1387 | { |
2e0fef85 JS |
1388 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1389 | struct lpfc_hba *phba = vport->phba; | |
1390 | ||
92d7f7b0 JS |
1391 | /* Don't do anything that will mess up processing of the |
1392 | * previous RSCN. | |
1393 | */ | |
1394 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1395 | return ndlp->nlp_state; | |
1396 | ||
dea3101e | 1397 | /* software abort outstanding ADISC */ |
07951076 | 1398 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1399 | |
5024ab17 | 1400 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1401 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1402 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1403 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1404 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1405 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1406 | return ndlp->nlp_state; |
dea3101e | 1407 | } |
1408 | ||
1409 | static uint32_t | |
2e0fef85 JS |
1410 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1411 | struct lpfc_nodelist *ndlp, | |
1412 | void *arg, | |
dea3101e | 1413 | uint32_t evt) |
1414 | { | |
2e0fef85 | 1415 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1416 | |
2e0fef85 | 1417 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1418 | return ndlp->nlp_state; |
dea3101e | 1419 | } |
1420 | ||
1421 | static uint32_t | |
2e0fef85 JS |
1422 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1423 | struct lpfc_nodelist *ndlp, | |
1424 | void *arg, | |
dea3101e | 1425 | uint32_t evt) |
1426 | { | |
2e0fef85 | 1427 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1428 | |
2e0fef85 | 1429 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1430 | return ndlp->nlp_state; |
dea3101e | 1431 | } |
1432 | ||
1433 | static uint32_t | |
2e0fef85 JS |
1434 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1435 | struct lpfc_nodelist *ndlp, | |
1436 | void *arg, | |
dea3101e | 1437 | uint32_t evt) |
1438 | { | |
2e0fef85 JS |
1439 | struct lpfc_hba *phba = vport->phba; |
1440 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1441 | LPFC_MBOXQ_t *mb; |
1442 | LPFC_MBOXQ_t *nextmb; | |
1443 | struct lpfc_dmabuf *mp; | |
dea3101e | 1444 | |
1445 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1446 | ||
7054a606 JS |
1447 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1448 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1449 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1450 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
92d7f7b0 | 1451 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1452 | mb->context2 = NULL; |
1453 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1454 | } | |
1455 | } | |
1456 | ||
2e0fef85 | 1457 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1458 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1459 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 JS |
1460 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
1461 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1462 | if (mp) { | |
98c9ea5c | 1463 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1464 | kfree(mp); |
1465 | } | |
92d7f7b0 | 1466 | lpfc_nlp_put(ndlp); |
7054a606 | 1467 | list_del(&mb->list); |
5ffc266e | 1468 | phba->sli.mboxq_cnt--; |
7054a606 JS |
1469 | mempool_free(mb, phba->mbox_mem_pool); |
1470 | } | |
1471 | } | |
2e0fef85 | 1472 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1473 | |
2e0fef85 | 1474 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1475 | return ndlp->nlp_state; |
dea3101e | 1476 | } |
1477 | ||
1478 | static uint32_t | |
2e0fef85 JS |
1479 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1480 | struct lpfc_nodelist *ndlp, | |
1481 | void *arg, | |
dea3101e | 1482 | uint32_t evt) |
1483 | { | |
2e0fef85 | 1484 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1485 | |
2e0fef85 | 1486 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1487 | return ndlp->nlp_state; |
dea3101e | 1488 | } |
1489 | ||
1490 | static uint32_t | |
2e0fef85 JS |
1491 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1492 | struct lpfc_nodelist *ndlp, | |
1493 | void *arg, | |
dea3101e | 1494 | uint32_t evt) |
1495 | { | |
1496 | struct lpfc_iocbq *cmdiocb; | |
1497 | ||
1498 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1499 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1500 | return ndlp->nlp_state; |
dea3101e | 1501 | } |
1502 | ||
1503 | static uint32_t | |
2e0fef85 JS |
1504 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1505 | struct lpfc_nodelist *ndlp, | |
1506 | void *arg, | |
1507 | uint32_t evt) | |
dea3101e | 1508 | { |
2e0fef85 | 1509 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1510 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1511 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1512 | uint32_t did = mb->un.varWords[1]; |
dea3101e | 1513 | |
dea3101e | 1514 | if (mb->mbxStatus) { |
1515 | /* RegLogin failed */ | |
e8b62011 | 1516 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
6d368e53 JS |
1517 | "0246 RegLogin failed Data: x%x x%x x%x x%x " |
1518 | "x%x\n", | |
1519 | did, mb->mbxStatus, vport->port_state, | |
1520 | mb->un.varRegLogin.vpi, | |
1521 | mb->un.varRegLogin.rpi); | |
d0e56dad JS |
1522 | /* |
1523 | * If RegLogin failed due to lack of HBA resources do not | |
1524 | * retry discovery. | |
1525 | */ | |
1526 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1527 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1528 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1529 | return ndlp->nlp_state; |
1530 | } | |
1531 | ||
2e0fef85 | 1532 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
256ec0d0 JS |
1533 | mod_timer(&ndlp->nlp_delayfunc, |
1534 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 1535 | spin_lock_irq(shost->host_lock); |
dea3101e | 1536 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1537 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1538 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1539 | |
2e0fef85 | 1540 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1541 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1542 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1543 | return ndlp->nlp_state; |
dea3101e | 1544 | } |
1545 | ||
6d368e53 JS |
1546 | /* SLI4 ports have preallocated logical rpis. */ |
1547 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
1548 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
1549 | ||
4042629e | 1550 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 1551 | |
1552 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1553 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1554 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1555 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1556 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1557 | } else { |
5024ab17 | 1558 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1559 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1560 | } |
c9f8735b | 1561 | return ndlp->nlp_state; |
dea3101e | 1562 | } |
1563 | ||
1564 | static uint32_t | |
2e0fef85 JS |
1565 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1566 | struct lpfc_nodelist *ndlp, | |
1567 | void *arg, | |
dea3101e | 1568 | uint32_t evt) |
1569 | { | |
2e0fef85 JS |
1570 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1571 | ||
1572 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1573 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1574 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1575 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1576 | return ndlp->nlp_state; |
2e0fef85 JS |
1577 | } else { |
1578 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1579 | return NLP_STE_FREED_NODE; |
1580 | } | |
dea3101e | 1581 | } |
1582 | ||
1583 | static uint32_t | |
2e0fef85 JS |
1584 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1585 | struct lpfc_nodelist *ndlp, | |
1586 | void *arg, | |
1587 | uint32_t evt) | |
dea3101e | 1588 | { |
2e0fef85 JS |
1589 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1590 | ||
92d7f7b0 JS |
1591 | /* Don't do anything that will mess up processing of the |
1592 | * previous RSCN. | |
1593 | */ | |
1594 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1595 | return ndlp->nlp_state; | |
1596 | ||
5024ab17 | 1597 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1598 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1599 | spin_lock_irq(shost->host_lock); | |
ffc95493 | 1600 | ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; |
a0f9b48d | 1601 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1602 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1603 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1604 | return ndlp->nlp_state; |
dea3101e | 1605 | } |
1606 | ||
1607 | static uint32_t | |
2e0fef85 JS |
1608 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1609 | void *arg, uint32_t evt) | |
dea3101e | 1610 | { |
1611 | struct lpfc_iocbq *cmdiocb; | |
1612 | ||
1613 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1614 | ||
2e0fef85 | 1615 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1616 | return ndlp->nlp_state; |
dea3101e | 1617 | } |
1618 | ||
1619 | static uint32_t | |
2e0fef85 JS |
1620 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1621 | void *arg, uint32_t evt) | |
dea3101e | 1622 | { |
2e0fef85 | 1623 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1624 | |
2e0fef85 | 1625 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1626 | return ndlp->nlp_state; |
dea3101e | 1627 | } |
1628 | ||
1629 | static uint32_t | |
2e0fef85 JS |
1630 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1631 | void *arg, uint32_t evt) | |
dea3101e | 1632 | { |
2e0fef85 | 1633 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1634 | |
1635 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1636 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1637 | |
2e0fef85 | 1638 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1639 | return ndlp->nlp_state; |
dea3101e | 1640 | } |
1641 | ||
1642 | static uint32_t | |
2e0fef85 JS |
1643 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1644 | void *arg, uint32_t evt) | |
dea3101e | 1645 | { |
2e0fef85 | 1646 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1647 | |
2e0fef85 | 1648 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1649 | return ndlp->nlp_state; |
dea3101e | 1650 | } |
1651 | ||
1652 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1653 | * we are logged into. We should send back a PRLO rsp setting the | |
1654 | * appropriate bits. | |
1655 | * NEXT STATE = PRLI_ISSUE | |
1656 | */ | |
1657 | static uint32_t | |
2e0fef85 JS |
1658 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1659 | void *arg, uint32_t evt) | |
dea3101e | 1660 | { |
2e0fef85 | 1661 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1662 | |
51ef4c26 | 1663 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1664 | return ndlp->nlp_state; |
dea3101e | 1665 | } |
1666 | ||
1667 | static uint32_t | |
2e0fef85 JS |
1668 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1669 | void *arg, uint32_t evt) | |
dea3101e | 1670 | { |
92d7f7b0 | 1671 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1672 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1673 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1674 | IOCB_t *irsp; |
1675 | PRLI *npr; | |
1676 | ||
1677 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1678 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1679 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1680 | ||
1681 | irsp = &rspiocb->iocb; | |
1682 | if (irsp->ulpStatus) { | |
858c9f6c | 1683 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1684 | vport->cfg_restrict_login) { |
858c9f6c JS |
1685 | goto out; |
1686 | } | |
5024ab17 | 1687 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1688 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1689 | return ndlp->nlp_state; |
dea3101e | 1690 | } |
1691 | ||
1692 | /* Check out PRLI rsp */ | |
1693 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1694 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
3cb01c57 | 1695 | ndlp->nlp_flag &= ~NLP_FIRSTBURST; |
dea3101e | 1696 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && |
1697 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1698 | if (npr->initiatorFunc) | |
1699 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
3cb01c57 | 1700 | if (npr->targetFunc) { |
dea3101e | 1701 | ndlp->nlp_type |= NLP_FCP_TARGET; |
3cb01c57 JS |
1702 | if (npr->writeXferRdyDis) |
1703 | ndlp->nlp_flag |= NLP_FIRSTBURST; | |
1704 | } | |
dea3101e | 1705 | if (npr->Retry) |
1706 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1707 | } | |
92d7f7b0 JS |
1708 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1709 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1710 | vport->cfg_restrict_login) { |
858c9f6c | 1711 | out: |
92d7f7b0 JS |
1712 | spin_lock_irq(shost->host_lock); |
1713 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1714 | spin_unlock_irq(shost->host_lock); | |
1715 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1716 | ||
1717 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1718 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1719 | return ndlp->nlp_state; |
1720 | } | |
dea3101e | 1721 | |
5024ab17 | 1722 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1723 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1724 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1725 | else | |
1726 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1727 | return ndlp->nlp_state; |
dea3101e | 1728 | } |
1729 | ||
1730 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1731 | * |
1732 | * \pre | |
1733 | * \post | |
1734 | * \param phba | |
1735 | * \param ndlp | |
1736 | * \param arg | |
1737 | * \param evt | |
1738 | * \return uint32_t | |
1739 | * | |
1740 | * \b Description: | |
1741 | * This routine is envoked when we a request to remove a nport we are in the | |
1742 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1743 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1744 | * on plogi list so it can be freed when LOGO completes. | |
1745 | * | |
1746 | */ | |
1747 | ||
dea3101e | 1748 | static uint32_t |
2e0fef85 JS |
1749 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1750 | void *arg, uint32_t evt) | |
dea3101e | 1751 | { |
2e0fef85 JS |
1752 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1753 | ||
1754 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1755 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1756 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1757 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1758 | return ndlp->nlp_state; |
2e0fef85 | 1759 | } else { |
a0f9b48d | 1760 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1761 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1762 | |
2e0fef85 | 1763 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1764 | return NLP_STE_FREED_NODE; |
1765 | } | |
dea3101e | 1766 | } |
1767 | ||
1768 | ||
1769 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1770 | * |
1771 | * \pre | |
1772 | * \post | |
1773 | * \param phba | |
1774 | * \param ndlp | |
1775 | * \param arg | |
1776 | * \param evt | |
1777 | * \return uint32_t | |
1778 | * | |
1779 | * \b Description: | |
1780 | * The routine is envoked when the state of a device is unknown, like | |
1781 | * during a link down. We should remove the nodelist entry from the | |
1782 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1783 | * outstanding PRLI command, then free the node entry. | |
1784 | */ | |
dea3101e | 1785 | static uint32_t |
2e0fef85 JS |
1786 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1787 | struct lpfc_nodelist *ndlp, | |
1788 | void *arg, | |
1789 | uint32_t evt) | |
dea3101e | 1790 | { |
2e0fef85 JS |
1791 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1792 | struct lpfc_hba *phba = vport->phba; | |
1793 | ||
92d7f7b0 JS |
1794 | /* Don't do anything that will mess up processing of the |
1795 | * previous RSCN. | |
1796 | */ | |
1797 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1798 | return ndlp->nlp_state; | |
1799 | ||
dea3101e | 1800 | /* software abort outstanding PRLI */ |
07951076 | 1801 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1802 | |
5024ab17 | 1803 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1804 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1805 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1806 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1807 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1808 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1809 | return ndlp->nlp_state; |
dea3101e | 1810 | } |
1811 | ||
086a345f JS |
1812 | static uint32_t |
1813 | lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1814 | void *arg, uint32_t evt) | |
1815 | { | |
1816 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1817 | struct ls_rjt stat; | |
1818 | ||
1819 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1820 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1821 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1822 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1823 | return ndlp->nlp_state; | |
1824 | } | |
1825 | ||
1826 | static uint32_t | |
1827 | lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1828 | void *arg, uint32_t evt) | |
1829 | { | |
1830 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1831 | struct ls_rjt stat; | |
1832 | ||
1833 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1834 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1835 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1836 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1837 | return ndlp->nlp_state; | |
1838 | } | |
1839 | ||
1840 | static uint32_t | |
1841 | lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1842 | void *arg, uint32_t evt) | |
1843 | { | |
1844 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1845 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1846 | ||
1847 | spin_lock_irq(shost->host_lock); | |
1848 | ndlp->nlp_flag &= NLP_LOGO_ACC; | |
1849 | spin_unlock_irq(shost->host_lock); | |
1850 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); | |
1851 | return ndlp->nlp_state; | |
1852 | } | |
1853 | ||
1854 | static uint32_t | |
1855 | lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1856 | void *arg, uint32_t evt) | |
1857 | { | |
1858 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1859 | struct ls_rjt stat; | |
1860 | ||
1861 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1862 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1863 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1864 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1865 | return ndlp->nlp_state; | |
1866 | } | |
1867 | ||
1868 | static uint32_t | |
1869 | lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1870 | void *arg, uint32_t evt) | |
1871 | { | |
1872 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1873 | struct ls_rjt stat; | |
1874 | ||
1875 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1876 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1877 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1878 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1879 | return ndlp->nlp_state; | |
1880 | } | |
1881 | ||
1882 | static uint32_t | |
1883 | lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1884 | void *arg, uint32_t evt) | |
1885 | { | |
1886 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1887 | ||
1888 | ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE; | |
1889 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
1890 | spin_lock_irq(shost->host_lock); | |
1891 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); | |
1892 | spin_unlock_irq(shost->host_lock); | |
1893 | lpfc_disc_set_adisc(vport, ndlp); | |
1894 | return ndlp->nlp_state; | |
1895 | } | |
1896 | ||
1897 | static uint32_t | |
1898 | lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1899 | void *arg, uint32_t evt) | |
1900 | { | |
1901 | /* | |
1902 | * Take no action. If a LOGO is outstanding, then possibly DevLoss has | |
1903 | * timed out and is calling for Device Remove. In this case, the LOGO | |
1904 | * must be allowed to complete in state LOGO_ISSUE so that the rpi | |
1905 | * and other NLP flags are correctly cleaned up. | |
1906 | */ | |
1907 | return ndlp->nlp_state; | |
1908 | } | |
1909 | ||
1910 | static uint32_t | |
1911 | lpfc_device_recov_logo_issue(struct lpfc_vport *vport, | |
1912 | struct lpfc_nodelist *ndlp, | |
1913 | void *arg, uint32_t evt) | |
1914 | { | |
1915 | /* | |
1916 | * Device Recovery events have no meaning for a node with a LOGO | |
1917 | * outstanding. The LOGO has to complete first and handle the | |
1918 | * node from that point. | |
1919 | */ | |
1920 | return ndlp->nlp_state; | |
1921 | } | |
1922 | ||
dea3101e | 1923 | static uint32_t |
2e0fef85 JS |
1924 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1925 | void *arg, uint32_t evt) | |
dea3101e | 1926 | { |
2e0fef85 | 1927 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1928 | |
2e0fef85 | 1929 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1930 | return ndlp->nlp_state; |
dea3101e | 1931 | } |
1932 | ||
1933 | static uint32_t | |
2e0fef85 JS |
1934 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1935 | void *arg, uint32_t evt) | |
dea3101e | 1936 | { |
2e0fef85 | 1937 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1938 | |
2e0fef85 JS |
1939 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1940 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1941 | return ndlp->nlp_state; |
dea3101e | 1942 | } |
1943 | ||
1944 | static uint32_t | |
2e0fef85 JS |
1945 | lpfc_rcv_logo_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 | |
2e0fef85 | 1950 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1951 | return ndlp->nlp_state; |
dea3101e | 1952 | } |
1953 | ||
1954 | static uint32_t | |
2e0fef85 JS |
1955 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1956 | void *arg, uint32_t evt) | |
dea3101e | 1957 | { |
2e0fef85 | 1958 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1959 | |
2e0fef85 | 1960 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1961 | return ndlp->nlp_state; |
dea3101e | 1962 | } |
1963 | ||
1964 | static uint32_t | |
2e0fef85 JS |
1965 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1966 | void *arg, uint32_t evt) | |
dea3101e | 1967 | { |
2e0fef85 | 1968 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1969 | |
51ef4c26 | 1970 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1971 | return ndlp->nlp_state; |
dea3101e | 1972 | } |
1973 | ||
1974 | static uint32_t | |
2e0fef85 JS |
1975 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1976 | struct lpfc_nodelist *ndlp, | |
1977 | void *arg, | |
1978 | uint32_t evt) | |
dea3101e | 1979 | { |
2e0fef85 JS |
1980 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1981 | ||
5024ab17 | 1982 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1983 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1984 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1985 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1986 | spin_unlock_irq(shost->host_lock); |
1987 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1988 | |
c9f8735b | 1989 | return ndlp->nlp_state; |
dea3101e | 1990 | } |
1991 | ||
1992 | static uint32_t | |
2e0fef85 JS |
1993 | lpfc_rcv_plogi_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_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1999 | return ndlp->nlp_state; |
dea3101e | 2000 | } |
2001 | ||
2002 | static uint32_t | |
2e0fef85 JS |
2003 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2004 | void *arg, uint32_t evt) | |
dea3101e | 2005 | { |
2e0fef85 | 2006 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2007 | |
2e0fef85 | 2008 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 2009 | return ndlp->nlp_state; |
dea3101e | 2010 | } |
2011 | ||
2012 | static uint32_t | |
2e0fef85 JS |
2013 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2014 | void *arg, uint32_t evt) | |
dea3101e | 2015 | { |
2e0fef85 | 2016 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2017 | |
2e0fef85 | 2018 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2019 | return ndlp->nlp_state; |
dea3101e | 2020 | } |
2021 | ||
2022 | static uint32_t | |
2e0fef85 JS |
2023 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
2024 | struct lpfc_nodelist *ndlp, | |
2025 | void *arg, uint32_t evt) | |
dea3101e | 2026 | { |
2e0fef85 | 2027 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2028 | |
2e0fef85 | 2029 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 2030 | return ndlp->nlp_state; |
dea3101e | 2031 | } |
2032 | ||
2033 | static uint32_t | |
2e0fef85 JS |
2034 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2035 | void *arg, uint32_t evt) | |
dea3101e | 2036 | { |
2e0fef85 JS |
2037 | struct lpfc_hba *phba = vport->phba; |
2038 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2039 | |
2040 | /* flush the target */ | |
51ef4c26 JS |
2041 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
2042 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 2043 | |
2044 | /* Treat like rcv logo */ | |
2e0fef85 | 2045 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 2046 | return ndlp->nlp_state; |
dea3101e | 2047 | } |
2048 | ||
2049 | static uint32_t | |
2e0fef85 JS |
2050 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
2051 | struct lpfc_nodelist *ndlp, | |
2052 | void *arg, | |
2053 | uint32_t evt) | |
dea3101e | 2054 | { |
2e0fef85 JS |
2055 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2056 | ||
5024ab17 | 2057 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
2058 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2059 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2060 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
2061 | spin_unlock_irq(shost->host_lock); |
2062 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 2063 | return ndlp->nlp_state; |
dea3101e | 2064 | } |
2065 | ||
2066 | static uint32_t | |
2e0fef85 JS |
2067 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2068 | void *arg, uint32_t evt) | |
dea3101e | 2069 | { |
2e0fef85 JS |
2070 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2071 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2072 | |
2073 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 2074 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 2075 | return ndlp->nlp_state; |
2e0fef85 | 2076 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 2077 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2078 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 2079 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 2080 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
2081 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
2082 | /* send PLOGI immediately, move to PLOGI issue state */ | |
2083 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2084 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2085 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
2086 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
2087 | } | |
dea3101e | 2088 | } |
c9f8735b | 2089 | return ndlp->nlp_state; |
dea3101e | 2090 | } |
2091 | ||
2092 | static uint32_t | |
2e0fef85 JS |
2093 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2094 | void *arg, uint32_t evt) | |
dea3101e | 2095 | { |
2e0fef85 JS |
2096 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2097 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
2098 | struct ls_rjt stat; | |
dea3101e | 2099 | |
2100 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2101 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2102 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 2103 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 2104 | |
2105 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2106 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 2107 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2108 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2109 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2110 | spin_unlock_irq(shost->host_lock); |
2111 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
2112 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2113 | } else { |
5024ab17 | 2114 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2115 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2116 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 2117 | } |
2118 | } | |
c9f8735b | 2119 | return ndlp->nlp_state; |
dea3101e | 2120 | } |
2121 | ||
2122 | static uint32_t | |
2e0fef85 JS |
2123 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2124 | void *arg, uint32_t evt) | |
dea3101e | 2125 | { |
2e0fef85 | 2126 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2127 | |
2e0fef85 | 2128 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2129 | return ndlp->nlp_state; |
dea3101e | 2130 | } |
2131 | ||
2132 | static uint32_t | |
2e0fef85 JS |
2133 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2134 | void *arg, uint32_t evt) | |
dea3101e | 2135 | { |
2e0fef85 | 2136 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2137 | |
2e0fef85 | 2138 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
2139 | /* |
2140 | * Do not start discovery if discovery is about to start | |
2141 | * or discovery in progress for this node. Starting discovery | |
2142 | * here will affect the counting of discovery threads. | |
2143 | */ | |
2fb9bd8b | 2144 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 2145 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 2146 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 2147 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2148 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2149 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2150 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2151 | } else { |
5024ab17 | 2152 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2153 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2154 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 2155 | } |
2156 | } | |
c9f8735b | 2157 | return ndlp->nlp_state; |
dea3101e | 2158 | } |
2159 | ||
2160 | static uint32_t | |
2e0fef85 JS |
2161 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2162 | void *arg, uint32_t evt) | |
dea3101e | 2163 | { |
2e0fef85 JS |
2164 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2165 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2166 | |
2e0fef85 | 2167 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2168 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 2169 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2170 | |
51ef4c26 | 2171 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 2172 | |
2e0fef85 | 2173 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
256ec0d0 JS |
2174 | mod_timer(&ndlp->nlp_delayfunc, |
2175 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 2176 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
2177 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2178 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 2179 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 2180 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 2181 | } else { |
2e0fef85 | 2182 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2183 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2184 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2185 | } |
c9f8735b JW |
2186 | return ndlp->nlp_state; |
2187 | } | |
dea3101e | 2188 | |
c9f8735b | 2189 | static uint32_t |
2e0fef85 JS |
2190 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2191 | void *arg, uint32_t evt) | |
c9f8735b JW |
2192 | { |
2193 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2194 | IOCB_t *irsp; |
8b455cf3 | 2195 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
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) { | |
8b455cf3 | 2202 | spin_lock_irq(shost->host_lock); |
a8adb832 | 2203 | ndlp->nlp_flag |= NLP_DEFER_RM; |
8b455cf3 | 2204 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2205 | return NLP_STE_FREED_NODE; |
2206 | } | |
c9f8735b JW |
2207 | return ndlp->nlp_state; |
2208 | } | |
2209 | ||
2210 | static uint32_t | |
2e0fef85 JS |
2211 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2212 | void *arg, uint32_t evt) | |
c9f8735b JW |
2213 | { |
2214 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2215 | IOCB_t *irsp; |
c9f8735b JW |
2216 | |
2217 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2218 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2219 | |
2220 | irsp = &rspiocb->iocb; | |
2221 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2222 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2223 | return NLP_STE_FREED_NODE; |
2224 | } | |
c9f8735b | 2225 | return ndlp->nlp_state; |
dea3101e | 2226 | } |
2227 | ||
2228 | static uint32_t | |
2e0fef85 JS |
2229 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2230 | void *arg, uint32_t evt) | |
dea3101e | 2231 | { |
d7c255b2 | 2232 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
086a345f JS |
2233 | |
2234 | /* For the fabric port just clear the fc flags. */ | |
d7c255b2 JS |
2235 | if (ndlp->nlp_DID == Fabric_DID) { |
2236 | spin_lock_irq(shost->host_lock); | |
2237 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2238 | spin_unlock_irq(shost->host_lock); | |
2239 | } | |
2e0fef85 | 2240 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2241 | return ndlp->nlp_state; |
2242 | } | |
2243 | ||
2244 | static uint32_t | |
2e0fef85 JS |
2245 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2246 | void *arg, uint32_t evt) | |
c9f8735b JW |
2247 | { |
2248 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2249 | IOCB_t *irsp; |
c9f8735b JW |
2250 | |
2251 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2252 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2253 | |
2254 | irsp = &rspiocb->iocb; | |
2255 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2256 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2257 | return NLP_STE_FREED_NODE; |
2258 | } | |
c9f8735b | 2259 | return ndlp->nlp_state; |
dea3101e | 2260 | } |
2261 | ||
2262 | static uint32_t | |
2e0fef85 JS |
2263 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
2264 | struct lpfc_nodelist *ndlp, | |
2265 | void *arg, uint32_t evt) | |
dea3101e | 2266 | { |
2e0fef85 | 2267 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 2268 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2269 | |
04c68496 | 2270 | if (!mb->mbxStatus) { |
6d368e53 JS |
2271 | /* SLI4 ports have preallocated logical rpis. */ |
2272 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
2273 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 2274 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
04c68496 | 2275 | } else { |
a0f9b48d | 2276 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 2277 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2278 | return NLP_STE_FREED_NODE; |
2279 | } | |
2280 | } | |
c9f8735b | 2281 | return ndlp->nlp_state; |
dea3101e | 2282 | } |
2283 | ||
2284 | static uint32_t | |
2e0fef85 JS |
2285 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2286 | void *arg, uint32_t evt) | |
dea3101e | 2287 | { |
2e0fef85 JS |
2288 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2289 | ||
a0f9b48d | 2290 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 2291 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2292 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 2293 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2294 | return ndlp->nlp_state; |
2295 | } | |
2e0fef85 | 2296 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 2297 | return NLP_STE_FREED_NODE; |
dea3101e | 2298 | } |
2299 | ||
2300 | static uint32_t | |
2e0fef85 JS |
2301 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2302 | void *arg, uint32_t evt) | |
dea3101e | 2303 | { |
2e0fef85 JS |
2304 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2305 | ||
92d7f7b0 JS |
2306 | /* Don't do anything that will mess up processing of the |
2307 | * previous RSCN. | |
2308 | */ | |
2309 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
2310 | return ndlp->nlp_state; | |
2311 | ||
eaf15d5b | 2312 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2313 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2314 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 2315 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2316 | return ndlp->nlp_state; |
dea3101e | 2317 | } |
2318 | ||
2319 | ||
2320 | /* This next section defines the NPort Discovery State Machine */ | |
2321 | ||
2322 | /* There are 4 different double linked lists nodelist entries can reside on. | |
2323 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
2324 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
2325 | * or ADISC on. These lists will keep track of what nodes will be effected | |
2326 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
2327 | * The unmapped_list will contain all nodes that we have successfully logged | |
2328 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
2329 | * that are mapped FCP targets. | |
2330 | */ | |
2331 | /* | |
2332 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
2333 | * that we have saved binding information on. This information is used when | |
2334 | * nodes transition from the unmapped to the mapped list. | |
2335 | */ | |
2336 | /* For UNUSED_NODE state, the node has just been allocated . | |
2337 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
2338 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
2339 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
2340 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
2341 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
2342 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
2343 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
2344 | * node, the node is taken off the unmapped list. The binding list is checked | |
2345 | * for a valid binding, or a binding is automatically assigned. If binding | |
2346 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
2347 | * binding assignment is successful, the associated binding list entry (if | |
2348 | * any) is removed, and the node is placed on the mapped list. | |
2349 | */ | |
2350 | /* | |
2351 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 2352 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e | 2353 | * expire, all effected nodes will receive a DEVICE_RM event. |
2354 | */ | |
2355 | /* | |
2356 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2357 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2358 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2359 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2360 | * we will first process the ADISC list. 32 entries are processed initially and | |
2361 | * ADISC is initited for each one. Completions / Events for each node are | |
2362 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2363 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2364 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2365 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2366 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2367 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2368 | * Completions / Events for each node are funnelled thru the state machine. As | |
2369 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2370 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2371 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2372 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2373 | * unmapped lists. | |
2374 | */ | |
2375 | ||
2376 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2377 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e | 2378 | /* Action routine Event Current State */ |
2379 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2380 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2381 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2382 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2383 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2384 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2385 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2386 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2387 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2388 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2389 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2390 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
df9e1b59 | 2391 | lpfc_device_recov_unused_node, /* DEVICE_RECOVERY */ |
dea3101e | 2392 | |
2393 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2394 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2395 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e | 2396 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2397 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2398 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2399 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2400 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2401 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2402 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2403 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e | 2404 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2405 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2406 | ||
2407 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2408 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2409 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2410 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2411 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2412 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2413 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2414 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2415 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2416 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2417 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2418 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2419 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2420 | ||
2421 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2422 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2423 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2424 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2425 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2426 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2427 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2428 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2429 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2430 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2431 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2432 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2433 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2434 | ||
2435 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2436 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2437 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2438 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2439 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2440 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2441 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2442 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2443 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2444 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2445 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2446 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2447 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2448 | ||
086a345f JS |
2449 | lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */ |
2450 | lpfc_rcv_prli_logo_issue, /* RCV_PRLI */ | |
2451 | lpfc_rcv_logo_logo_issue, /* RCV_LOGO */ | |
2452 | lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */ | |
2453 | lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */ | |
2454 | lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */ | |
2455 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ | |
2456 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2457 | lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */ | |
2458 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2459 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2460 | lpfc_device_rm_logo_issue, /* DEVICE_RM */ | |
2461 | lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */ | |
2462 | ||
dea3101e | 2463 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ |
2464 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2465 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2466 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2467 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2468 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2469 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2470 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2471 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2472 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2473 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2474 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2475 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2476 | ||
2477 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2478 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2479 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2480 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2481 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2482 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2483 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2484 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2485 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2486 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2487 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2488 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2489 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2490 | ||
2491 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2492 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2493 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2494 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2495 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2496 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2497 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2498 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2499 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2500 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e | 2501 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2502 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2503 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2504 | }; | |
2505 | ||
2506 | int | |
2e0fef85 JS |
2507 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2508 | void *arg, uint32_t evt) | |
dea3101e | 2509 | { |
2510 | uint32_t cur_state, rc; | |
2e0fef85 | 2511 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2512 | uint32_t); |
e47c9093 JS |
2513 | uint32_t got_ndlp = 0; |
2514 | ||
2515 | if (lpfc_nlp_get(ndlp)) | |
2516 | got_ndlp = 1; | |
dea3101e | 2517 | |
dea3101e | 2518 | cur_state = ndlp->nlp_state; |
2519 | ||
2520 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2521 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2522 | "0211 DSM in event x%x on NPort x%x in " | |
2523 | "state %d Data: x%x\n", | |
2524 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2525 | |
858c9f6c JS |
2526 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2527 | "DSM in: evt:%d ste:%d did:x%x", | |
2528 | evt, cur_state, ndlp->nlp_DID); | |
2529 | ||
dea3101e | 2530 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2531 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e | 2532 | |
2533 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2534 | if (got_ndlp) { |
2535 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2536 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2537 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2538 | |
e47c9093 JS |
2539 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2540 | "DSM out: ste:%d did:x%x flg:x%x", | |
2541 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2542 | /* Decrement the ndlp reference count held for this function */ | |
2543 | lpfc_nlp_put(ndlp); | |
2544 | } else { | |
2545 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2546 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2547 | |
e47c9093 JS |
2548 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2549 | "DSM out: ste:%d did:x%x flg:x%x", | |
2550 | rc, 0, 0); | |
2551 | } | |
dea3101e | 2552 | |
c9f8735b | 2553 | return rc; |
dea3101e | 2554 | } |