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ecf4668c | 1 | /******************************************************************* |
dea3101e | 2 | * This file is part of the Emulex Linux Device Driver for * |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
ecf4668c | 4 | * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * |
d080abe0 | 5 | * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * |
50611577 | 6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
c44ce173 | 9 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
10 | * * |
11 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
12 | * modify it under the terms of version 2 of the GNU General * |
13 | * Public License as published by the Free Software Foundation. * | |
14 | * This program is distributed in the hope that it will be useful. * | |
15 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
16 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
18 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
19 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
20 | * more details, a copy of which can be found in the file COPYING * | |
21 | * included with this package. * | |
dea3101e JB |
22 | *******************************************************************/ |
23 | ||
dea3101e JB |
24 | #include <linux/blkdev.h> |
25 | #include <linux/pci.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
dea3101e JB |
27 | #include <linux/interrupt.h> |
28 | ||
91886523 | 29 | #include <scsi/scsi.h> |
dea3101e JB |
30 | #include <scsi/scsi_device.h> |
31 | #include <scsi/scsi_host.h> | |
32 | #include <scsi/scsi_transport_fc.h> | |
a0f2d3ef JS |
33 | #include <scsi/fc/fc_fs.h> |
34 | ||
35 | #include <linux/nvme-fc-driver.h> | |
dea3101e | 36 | |
da0436e9 | 37 | #include "lpfc_hw4.h" |
dea3101e JB |
38 | #include "lpfc_hw.h" |
39 | #include "lpfc_sli.h" | |
da0436e9 | 40 | #include "lpfc_sli4.h" |
ea2151b4 | 41 | #include "lpfc_nl.h" |
dea3101e | 42 | #include "lpfc_disc.h" |
dea3101e | 43 | #include "lpfc.h" |
a0f2d3ef JS |
44 | #include "lpfc_scsi.h" |
45 | #include "lpfc_nvme.h" | |
dea3101e JB |
46 | #include "lpfc_logmsg.h" |
47 | #include "lpfc_crtn.h" | |
92d7f7b0 | 48 | #include "lpfc_vport.h" |
858c9f6c | 49 | #include "lpfc_debugfs.h" |
dea3101e JB |
50 | |
51 | ||
52 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
53 | static int | |
2e0fef85 JS |
54 | lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
55 | struct lpfc_name *nn, struct lpfc_name *pn) | |
dea3101e | 56 | { |
6b5151fd JS |
57 | /* First, we MUST have a RPI registered */ |
58 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) | |
59 | return 0; | |
60 | ||
dea3101e JB |
61 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node |
62 | * table entry for that node. | |
63 | */ | |
2e0fef85 | 64 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 65 | return 0; |
dea3101e | 66 | |
2e0fef85 | 67 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 68 | return 0; |
dea3101e JB |
69 | |
70 | /* we match, return success */ | |
c9f8735b | 71 | return 1; |
dea3101e JB |
72 | } |
73 | ||
dea3101e | 74 | int |
2e0fef85 | 75 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
341af102 | 76 | struct serv_parm *sp, uint32_t class, int flogi) |
dea3101e | 77 | { |
2e0fef85 | 78 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
79 | uint16_t hsp_value, ssp_value = 0; |
80 | ||
81 | /* | |
82 | * The receive data field size and buffer-to-buffer receive data field | |
83 | * size entries are 16 bits but are represented as two 8-bit fields in | |
84 | * the driver data structure to account for rsvd bits and other control | |
85 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
86 | * correcting the byte values. | |
87 | */ | |
dea3101e | 88 | if (sp->cls1.classValid) { |
341af102 JS |
89 | if (!flogi) { |
90 | hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) | | |
91 | hsp->cls1.rcvDataSizeLsb); | |
92 | ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) | | |
93 | sp->cls1.rcvDataSizeLsb); | |
94 | if (!ssp_value) | |
95 | goto bad_service_param; | |
96 | if (ssp_value > hsp_value) { | |
97 | sp->cls1.rcvDataSizeLsb = | |
98 | hsp->cls1.rcvDataSizeLsb; | |
99 | sp->cls1.rcvDataSizeMsb = | |
100 | hsp->cls1.rcvDataSizeMsb; | |
101 | } | |
2fb70f79 | 102 | } |
341af102 | 103 | } else if (class == CLASS1) |
92d7f7b0 | 104 | goto bad_service_param; |
dea3101e | 105 | if (sp->cls2.classValid) { |
341af102 JS |
106 | if (!flogi) { |
107 | hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) | | |
108 | hsp->cls2.rcvDataSizeLsb); | |
109 | ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) | | |
110 | sp->cls2.rcvDataSizeLsb); | |
111 | if (!ssp_value) | |
112 | goto bad_service_param; | |
113 | if (ssp_value > hsp_value) { | |
114 | sp->cls2.rcvDataSizeLsb = | |
115 | hsp->cls2.rcvDataSizeLsb; | |
116 | sp->cls2.rcvDataSizeMsb = | |
117 | hsp->cls2.rcvDataSizeMsb; | |
118 | } | |
2fb70f79 | 119 | } |
341af102 | 120 | } else if (class == CLASS2) |
92d7f7b0 | 121 | goto bad_service_param; |
dea3101e | 122 | if (sp->cls3.classValid) { |
341af102 JS |
123 | if (!flogi) { |
124 | hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) | | |
125 | hsp->cls3.rcvDataSizeLsb); | |
126 | ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) | | |
127 | sp->cls3.rcvDataSizeLsb); | |
128 | if (!ssp_value) | |
129 | goto bad_service_param; | |
130 | if (ssp_value > hsp_value) { | |
131 | sp->cls3.rcvDataSizeLsb = | |
132 | hsp->cls3.rcvDataSizeLsb; | |
133 | sp->cls3.rcvDataSizeMsb = | |
134 | hsp->cls3.rcvDataSizeMsb; | |
135 | } | |
2fb70f79 | 136 | } |
341af102 | 137 | } else if (class == CLASS3) |
92d7f7b0 | 138 | goto bad_service_param; |
dea3101e | 139 | |
2fb70f79 JSEC |
140 | /* |
141 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
142 | * These bits contain the Buffer-to-Buffer State Change Number | |
143 | * from the target and need to be passed to the FW. | |
144 | */ | |
145 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
146 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
147 | if (ssp_value > hsp_value) { | |
dea3101e | 148 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
149 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
150 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
151 | } | |
dea3101e | 152 | |
dea3101e JB |
153 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
154 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 155 | return 1; |
92d7f7b0 | 156 | bad_service_param: |
e8b62011 JS |
157 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
158 | "0207 Device %x " | |
159 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
160 | "invalid service parameters. Ignoring device.\n", | |
161 | ndlp->nlp_DID, | |
162 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
163 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
164 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
165 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
92d7f7b0 | 166 | return 0; |
dea3101e JB |
167 | } |
168 | ||
169 | static void * | |
2e0fef85 | 170 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 171 | struct lpfc_iocbq *rspiocb) |
dea3101e JB |
172 | { |
173 | struct lpfc_dmabuf *pcmd, *prsp; | |
174 | uint32_t *lp; | |
175 | void *ptr = NULL; | |
176 | IOCB_t *irsp; | |
177 | ||
178 | irsp = &rspiocb->iocb; | |
179 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
180 | ||
181 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
182 | * freeing associated memory till after ABTS completes. | |
183 | */ | |
184 | if (pcmd) { | |
185 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
186 | list); | |
187 | if (prsp) { | |
188 | lp = (uint32_t *) prsp->virt; | |
189 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
190 | } | |
2fe165b6 | 191 | } else { |
dea3101e JB |
192 | /* Force ulpStatus error since we are returning NULL ptr */ |
193 | if (!(irsp->ulpStatus)) { | |
194 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
195 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
196 | } | |
197 | ptr = NULL; | |
198 | } | |
c9f8735b | 199 | return ptr; |
dea3101e JB |
200 | } |
201 | ||
202 | ||
2a9bf3d0 | 203 | |
dea3101e JB |
204 | /* |
205 | * Free resources / clean up outstanding I/Os | |
206 | * associated with a LPFC_NODELIST entry. This | |
207 | * routine effectively results in a "software abort". | |
208 | */ | |
7c9fdfb7 | 209 | void |
2e0fef85 | 210 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 211 | { |
2a9bf3d0 | 212 | LIST_HEAD(abort_list); |
895427bd | 213 | struct lpfc_sli_ring *pring; |
dea3101e | 214 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 215 | |
895427bd JS |
216 | pring = lpfc_phba_elsring(phba); |
217 | ||
7c9fdfb7 | 218 | /* In case of error recovery path, we might have a NULL pring here */ |
1234a6d5 | 219 | if (unlikely(!pring)) |
7c9fdfb7 GP |
220 | return; |
221 | ||
dea3101e | 222 | /* Abort outstanding I/O on NPort <nlp_DID> */ |
e8b62011 | 223 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
2a9bf3d0 | 224 | "2819 Abort outstanding I/O on NPort x%x " |
e8b62011 JS |
225 | "Data: x%x x%x x%x\n", |
226 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
227 | ndlp->nlp_rpi); | |
0976e1a6 | 228 | /* Clean up all fabric IOs first.*/ |
92d7f7b0 | 229 | lpfc_fabric_abort_nport(ndlp); |
dea3101e | 230 | |
0976e1a6 JS |
231 | /* |
232 | * Lock the ELS ring txcmplq for SLI3/SLI4 and build a local list | |
233 | * of all ELS IOs that need an ABTS. The IOs need to stay on the | |
234 | * txcmplq so that the abort operation completes them successfully. | |
235 | */ | |
2e0fef85 | 236 | spin_lock_irq(&phba->hbalock); |
0976e1a6 JS |
237 | if (phba->sli_rev == LPFC_SLI_REV4) |
238 | spin_lock(&pring->ring_lock); | |
239 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
240 | /* Add to abort_list on on NDLP match. */ | |
2a9bf3d0 JS |
241 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) |
242 | list_add_tail(&iocb->dlist, &abort_list); | |
07951076 | 243 | } |
0976e1a6 JS |
244 | if (phba->sli_rev == LPFC_SLI_REV4) |
245 | spin_unlock(&pring->ring_lock); | |
2e0fef85 | 246 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 247 | |
0976e1a6 | 248 | /* Abort the targeted IOs and remove them from the abort list. */ |
2a9bf3d0 JS |
249 | list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { |
250 | spin_lock_irq(&phba->hbalock); | |
251 | list_del_init(&iocb->dlist); | |
252 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
253 | spin_unlock_irq(&phba->hbalock); | |
254 | } | |
255 | ||
0976e1a6 JS |
256 | INIT_LIST_HEAD(&abort_list); |
257 | ||
258 | /* Now process the txq */ | |
259 | spin_lock_irq(&phba->hbalock); | |
260 | if (phba->sli_rev == LPFC_SLI_REV4) | |
261 | spin_lock(&pring->ring_lock); | |
262 | ||
263 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { | |
264 | /* Check to see if iocb matches the nport we are looking for */ | |
265 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { | |
266 | list_del_init(&iocb->list); | |
267 | list_add_tail(&iocb->list, &abort_list); | |
268 | } | |
269 | } | |
270 | ||
271 | if (phba->sli_rev == LPFC_SLI_REV4) | |
272 | spin_unlock(&pring->ring_lock); | |
273 | spin_unlock_irq(&phba->hbalock); | |
274 | ||
a257bf90 | 275 | /* Cancel all the IOCBs from the completions list */ |
0976e1a6 JS |
276 | lpfc_sli_cancel_iocbs(phba, &abort_list, |
277 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
2534ba75 | 278 | |
0d2b6b83 | 279 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
dea3101e JB |
280 | } |
281 | ||
282 | static int | |
2e0fef85 | 283 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 284 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 285 | { |
2e0fef85 JS |
286 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
287 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 288 | struct lpfc_dmabuf *pcmd; |
ed4afe74 | 289 | uint64_t nlp_portwwn = 0; |
dea3101e JB |
290 | uint32_t *lp; |
291 | IOCB_t *icmd; | |
292 | struct serv_parm *sp; | |
d6de08cc | 293 | uint32_t ed_tov; |
dea3101e JB |
294 | LPFC_MBOXQ_t *mbox; |
295 | struct ls_rjt stat; | |
8c258641 | 296 | uint32_t vid, flag; |
dea3101e JB |
297 | int rc; |
298 | ||
299 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
dea3101e JB |
300 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
301 | lp = (uint32_t *) pcmd->virt; | |
302 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
303 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
304 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
305 | "0140 PLOGI Reject: invalid nname\n"); | |
306 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
307 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
308 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
309 | NULL); | |
310 | return 0; | |
311 | } | |
312 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
313 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
314 | "0141 PLOGI Reject: invalid pname\n"); | |
315 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
316 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
317 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
318 | NULL); | |
319 | return 0; | |
320 | } | |
ed4afe74 JS |
321 | |
322 | nlp_portwwn = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
341af102 | 323 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { |
dea3101e JB |
324 | /* Reject this request because invalid parameters */ |
325 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
326 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
327 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
328 | NULL); | |
c9f8735b | 329 | return 0; |
dea3101e JB |
330 | } |
331 | icmd = &cmdiocb->iocb; | |
332 | ||
333 | /* PLOGI chkparm OK */ | |
e8b62011 | 334 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
e74c03c8 JS |
335 | "0114 PLOGI chkparm OK Data: x%x x%x x%x " |
336 | "x%x x%x x%x\n", | |
e8b62011 | 337 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, |
e74c03c8 JS |
338 | ndlp->nlp_rpi, vport->port_state, |
339 | vport->fc_flag); | |
dea3101e | 340 | |
3de2a653 | 341 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 342 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 343 | else |
dea3101e | 344 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 345 | |
dea3101e JB |
346 | ndlp->nlp_class_sup = 0; |
347 | if (sp->cls1.classValid) | |
348 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
349 | if (sp->cls2.classValid) | |
350 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
351 | if (sp->cls3.classValid) | |
352 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
353 | if (sp->cls4.classValid) | |
354 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
355 | ndlp->nlp_maxframe = | |
356 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
357 | ||
ed4afe74 | 358 | /* if already logged in, do implicit logout */ |
2fe165b6 | 359 | switch (ndlp->nlp_state) { |
dea3101e JB |
360 | case NLP_STE_NPR_NODE: |
361 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
362 | break; | |
363 | case NLP_STE_REG_LOGIN_ISSUE: | |
364 | case NLP_STE_PRLI_ISSUE: | |
365 | case NLP_STE_UNMAPPED_NODE: | |
366 | case NLP_STE_MAPPED_NODE: | |
1c5b12f7 JS |
367 | /* For initiators, lpfc_plogi_confirm_nport skips fabric did. |
368 | * For target mode, execute implicit logo. | |
369 | * Fabric nodes go into NPR. | |
370 | */ | |
371 | if (!(ndlp->nlp_type & NLP_FABRIC) && | |
372 | !(phba->nvmet_support)) { | |
ed4afe74 JS |
373 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, |
374 | ndlp, NULL); | |
375 | return 1; | |
376 | } | |
377 | if (nlp_portwwn != 0 && | |
378 | nlp_portwwn != wwn_to_u64(sp->portName.u.wwn)) | |
379 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
380 | "0143 PLOGI recv'd from DID: x%x " | |
381 | "WWPN changed: old %llx new %llx\n", | |
382 | ndlp->nlp_DID, | |
383 | (unsigned long long)nlp_portwwn, | |
384 | (unsigned long long) | |
385 | wwn_to_u64(sp->portName.u.wwn)); | |
386 | ||
387 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
388 | /* rport needs to be unregistered first */ | |
389 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
390 | break; | |
dea3101e JB |
391 | } |
392 | ||
83a1ed87 JS |
393 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); |
394 | ndlp->nlp_type &= ~(NLP_NVME_TARGET | NLP_NVME_INITIATOR); | |
395 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
396 | ndlp->nlp_flag &= ~NLP_FIRSTBURST; | |
397 | ||
939723a4 | 398 | /* Check for Nport to NPort pt2pt protocol */ |
92d7f7b0 JS |
399 | if ((vport->fc_flag & FC_PT2PT) && |
400 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 401 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 402 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
d6de08cc JS |
403 | |
404 | ed_tov = be32_to_cpu(sp->cmn.e_d_tov); | |
405 | if (sp->cmn.edtovResolution) { | |
406 | /* E_D_TOV ticks are in nanoseconds */ | |
407 | ed_tov = (phba->fc_edtov + 999999) / 1000000; | |
dea3101e | 408 | } |
d6de08cc | 409 | |
939723a4 | 410 | /* |
d6de08cc JS |
411 | * For pt-to-pt, use the larger EDTOV |
412 | * RATOV = 2 * EDTOV | |
939723a4 | 413 | */ |
d6de08cc JS |
414 | if (ed_tov > phba->fc_edtov) |
415 | phba->fc_edtov = ed_tov; | |
416 | phba->fc_ratov = (2 * phba->fc_edtov) / 1000; | |
417 | ||
418 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
419 | ||
420 | /* Issue config_link / reg_vfi to account for updated TOV's */ | |
421 | ||
939723a4 JS |
422 | if (phba->sli_rev == LPFC_SLI_REV4) |
423 | lpfc_issue_reg_vfi(vport); | |
d6de08cc JS |
424 | else { |
425 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
426 | if (mbox == NULL) | |
427 | goto out; | |
428 | lpfc_config_link(phba, mbox); | |
429 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
430 | mbox->vport = vport; | |
431 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
432 | if (rc == MBX_NOT_FINISHED) { | |
433 | mempool_free(mbox, phba->mbox_mem_pool); | |
434 | goto out; | |
435 | } | |
436 | } | |
dea3101e | 437 | |
2e0fef85 | 438 | lpfc_can_disctmo(vport); |
dea3101e | 439 | } |
d6de08cc | 440 | |
8c258641 JS |
441 | ndlp->nlp_flag &= ~NLP_SUPPRESS_RSP; |
442 | if ((phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) && | |
443 | sp->cmn.valid_vendor_ver_level) { | |
444 | vid = be32_to_cpu(sp->un.vv.vid); | |
445 | flag = be32_to_cpu(sp->un.vv.flags); | |
446 | if ((vid == LPFC_VV_EMLX_ID) && (flag & LPFC_VV_SUPPRESS_RSP)) | |
447 | ndlp->nlp_flag |= NLP_SUPPRESS_RSP; | |
448 | } | |
449 | ||
dea3101e | 450 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2e0fef85 | 451 | if (!mbox) |
dea3101e JB |
452 | goto out; |
453 | ||
6b5151fd JS |
454 | /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ |
455 | if (phba->sli_rev == LPFC_SLI_REV4) | |
456 | lpfc_unreg_rpi(vport, ndlp); | |
457 | ||
6fb120a7 | 458 | rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, |
4042629e | 459 | (uint8_t *) sp, mbox, ndlp->nlp_rpi); |
2e0fef85 JS |
460 | if (rc) { |
461 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
462 | goto out; |
463 | } | |
464 | ||
465 | /* ACC PLOGI rsp command needs to execute first, | |
466 | * queue this mbox command to be processed later. | |
467 | */ | |
468 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
469 | /* |
470 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
471 | * command issued in lpfc_cmpl_els_acc(). | |
472 | */ | |
2e0fef85 JS |
473 | mbox->vport = vport; |
474 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 475 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 476 | spin_unlock_irq(shost->host_lock); |
dea3101e | 477 | |
33ccf8d1 JS |
478 | /* |
479 | * If there is an outstanding PLOGI issued, abort it before | |
480 | * sending ACC rsp for received PLOGI. If pending plogi | |
481 | * is not canceled here, the plogi will be rejected by | |
482 | * remote port and will be retried. On a configuration with | |
483 | * single discovery thread, this will cause a huge delay in | |
484 | * discovery. Also this will cause multiple state machines | |
485 | * running in parallel for this node. | |
8baf5173 | 486 | * This only applies to a fabric environment. |
33ccf8d1 | 487 | */ |
8baf5173 JS |
488 | if ((ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) && |
489 | (vport->fc_flag & FC_FABRIC)) { | |
33ccf8d1 | 490 | /* software abort outstanding PLOGI */ |
07951076 | 491 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
492 | } |
493 | ||
858c9f6c | 494 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 495 | vport->cfg_restrict_login)) { |
858c9f6c JS |
496 | |
497 | /* In order to preserve RPIs, we want to cleanup | |
498 | * the default RPI the firmware created to rcv | |
499 | * this ELS request. The only way to do this is | |
500 | * to register, then unregister the RPI. | |
501 | */ | |
502 | spin_lock_irq(shost->host_lock); | |
503 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
504 | spin_unlock_irq(shost->host_lock); | |
505 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
506 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
0a8a86fa | 507 | rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 508 | ndlp, mbox); |
0a8a86fa JS |
509 | if (rc) |
510 | mempool_free(mbox, phba->mbox_mem_pool); | |
858c9f6c JS |
511 | return 1; |
512 | } | |
0a8a86fa JS |
513 | rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
514 | if (rc) | |
515 | mempool_free(mbox, phba->mbox_mem_pool); | |
c9f8735b | 516 | return 1; |
dea3101e JB |
517 | out: |
518 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
519 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 520 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 521 | return 0; |
dea3101e JB |
522 | } |
523 | ||
6b5151fd JS |
524 | /** |
525 | * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine | |
526 | * @phba: pointer to lpfc hba data structure. | |
527 | * @mboxq: pointer to mailbox object | |
528 | * | |
529 | * This routine is invoked to issue a completion to a rcv'ed | |
530 | * ADISC or PDISC after the paused RPI has been resumed. | |
531 | **/ | |
532 | static void | |
533 | lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
534 | { | |
535 | struct lpfc_vport *vport; | |
536 | struct lpfc_iocbq *elsiocb; | |
537 | struct lpfc_nodelist *ndlp; | |
538 | uint32_t cmd; | |
539 | ||
540 | elsiocb = (struct lpfc_iocbq *)mboxq->context1; | |
541 | ndlp = (struct lpfc_nodelist *) mboxq->context2; | |
542 | vport = mboxq->vport; | |
543 | cmd = elsiocb->drvrTimeout; | |
544 | ||
545 | if (cmd == ELS_CMD_ADISC) { | |
546 | lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); | |
547 | } else { | |
548 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, | |
549 | ndlp, NULL); | |
550 | } | |
551 | kfree(elsiocb); | |
72859909 | 552 | mempool_free(mboxq, phba->mbox_mem_pool); |
6b5151fd JS |
553 | } |
554 | ||
dea3101e | 555 | static int |
2e0fef85 | 556 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
557 | struct lpfc_iocbq *cmdiocb) |
558 | { | |
2e0fef85 | 559 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6b5151fd | 560 | struct lpfc_iocbq *elsiocb; |
dea3101e | 561 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
562 | struct serv_parm *sp; |
563 | struct lpfc_name *pnn, *ppn; | |
dea3101e JB |
564 | struct ls_rjt stat; |
565 | ADISC *ap; | |
566 | IOCB_t *icmd; | |
567 | uint32_t *lp; | |
568 | uint32_t cmd; | |
569 | ||
570 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
571 | lp = (uint32_t *) pcmd->virt; | |
572 | ||
573 | cmd = *lp++; | |
574 | if (cmd == ELS_CMD_ADISC) { | |
575 | ap = (ADISC *) lp; | |
576 | pnn = (struct lpfc_name *) & ap->nodeName; | |
577 | ppn = (struct lpfc_name *) & ap->portName; | |
578 | } else { | |
579 | sp = (struct serv_parm *) lp; | |
580 | pnn = (struct lpfc_name *) & sp->nodeName; | |
581 | ppn = (struct lpfc_name *) & sp->portName; | |
582 | } | |
583 | ||
584 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 585 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
6b5151fd JS |
586 | |
587 | /* | |
588 | * As soon as we send ACC, the remote NPort can | |
589 | * start sending us data. Thus, for SLI4 we must | |
590 | * resume the RPI before the ACC goes out. | |
591 | */ | |
592 | if (vport->phba->sli_rev == LPFC_SLI_REV4) { | |
593 | elsiocb = kmalloc(sizeof(struct lpfc_iocbq), | |
594 | GFP_KERNEL); | |
595 | if (elsiocb) { | |
596 | ||
597 | /* Save info from cmd IOCB used in rsp */ | |
598 | memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, | |
599 | sizeof(struct lpfc_iocbq)); | |
600 | ||
601 | /* Save the ELS cmd */ | |
602 | elsiocb->drvrTimeout = cmd; | |
603 | ||
604 | lpfc_sli4_resume_rpi(ndlp, | |
605 | lpfc_mbx_cmpl_resume_rpi, elsiocb); | |
606 | goto out; | |
607 | } | |
608 | } | |
609 | ||
dea3101e | 610 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 611 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 612 | } else { |
6b5151fd JS |
613 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, |
614 | ndlp, NULL); | |
dea3101e | 615 | } |
6b5151fd JS |
616 | out: |
617 | /* If we are authenticated, move to the proper state */ | |
618 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
619 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
620 | else | |
621 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
622 | ||
c9f8735b | 623 | return 1; |
dea3101e JB |
624 | } |
625 | /* Reject this request because invalid parameters */ | |
626 | stat.un.b.lsRjtRsvd0 = 0; | |
627 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
628 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
629 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 630 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 631 | |
dea3101e | 632 | /* 1 sec timeout */ |
256ec0d0 | 633 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); |
dea3101e | 634 | |
2e0fef85 | 635 | spin_lock_irq(shost->host_lock); |
dea3101e | 636 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 637 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
638 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
639 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 640 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 641 | return 0; |
dea3101e JB |
642 | } |
643 | ||
644 | static int | |
2e0fef85 JS |
645 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
646 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 647 | { |
2e0fef85 | 648 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4b40c59e JS |
649 | struct lpfc_hba *phba = vport->phba; |
650 | struct lpfc_vport **vports; | |
651 | int i, active_vlink_present = 0 ; | |
2e0fef85 JS |
652 | |
653 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e JB |
654 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
655 | * PLOGIs during LOGO storms from a device. | |
656 | */ | |
2e0fef85 | 657 | spin_lock_irq(shost->host_lock); |
dea3101e | 658 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 659 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 660 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 661 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 662 | else |
51ef4c26 | 663 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
4b40c59e JS |
664 | if (ndlp->nlp_DID == Fabric_DID) { |
665 | if (vport->port_state <= LPFC_FDISC) | |
666 | goto out; | |
6fb120a7 | 667 | lpfc_linkdown_port(vport); |
6fb120a7 | 668 | spin_lock_irq(shost->host_lock); |
4b40c59e | 669 | vport->fc_flag |= FC_VPORT_LOGO_RCVD; |
6fb120a7 | 670 | spin_unlock_irq(shost->host_lock); |
4b40c59e JS |
671 | vports = lpfc_create_vport_work_array(phba); |
672 | if (vports) { | |
673 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
674 | i++) { | |
675 | if ((!(vports[i]->fc_flag & | |
676 | FC_VPORT_LOGO_RCVD)) && | |
677 | (vports[i]->port_state > LPFC_FDISC)) { | |
678 | active_vlink_present = 1; | |
679 | break; | |
680 | } | |
681 | } | |
682 | lpfc_destroy_vport_work_array(phba, vports); | |
683 | } | |
dea3101e | 684 | |
cc82355a JS |
685 | /* |
686 | * Don't re-instantiate if vport is marked for deletion. | |
687 | * If we are here first then vport_delete is going to wait | |
688 | * for discovery to complete. | |
689 | */ | |
690 | if (!(vport->load_flag & FC_UNLOADING) && | |
691 | active_vlink_present) { | |
4b40c59e JS |
692 | /* |
693 | * If there are other active VLinks present, | |
694 | * re-instantiate the Vlink using FDISC. | |
695 | */ | |
256ec0d0 JS |
696 | mod_timer(&ndlp->nlp_delayfunc, |
697 | jiffies + msecs_to_jiffies(1000)); | |
4b40c59e JS |
698 | spin_lock_irq(shost->host_lock); |
699 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
700 | spin_unlock_irq(shost->host_lock); | |
701 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; | |
702 | vport->port_state = LPFC_FDISC; | |
703 | } else { | |
704 | spin_lock_irq(shost->host_lock); | |
705 | phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; | |
706 | spin_unlock_irq(shost->host_lock); | |
707 | lpfc_retry_pport_discovery(phba); | |
708 | } | |
6fb120a7 JS |
709 | } else if ((!(ndlp->nlp_type & NLP_FABRIC) && |
710 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
711 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
712 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 713 | /* Only try to re-login if this is NOT a Fabric Node */ |
256ec0d0 JS |
714 | mod_timer(&ndlp->nlp_delayfunc, |
715 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 716 | spin_lock_irq(shost->host_lock); |
dea3101e | 717 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 718 | spin_unlock_irq(shost->host_lock); |
dea3101e | 719 | |
5024ab17 | 720 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 721 | } |
4b40c59e | 722 | out: |
87af33fe JS |
723 | ndlp->nlp_prev_state = ndlp->nlp_state; |
724 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 725 | |
2e0fef85 | 726 | spin_lock_irq(shost->host_lock); |
dea3101e | 727 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 728 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
729 | /* The driver has to wait until the ACC completes before it continues |
730 | * processing the LOGO. The action will resume in | |
731 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
732 | * unreg_login, the driver waits so the ACC does not get aborted. | |
733 | */ | |
c9f8735b | 734 | return 0; |
dea3101e JB |
735 | } |
736 | ||
49507db1 JS |
737 | static uint32_t |
738 | lpfc_rcv_prli_support_check(struct lpfc_vport *vport, | |
739 | struct lpfc_nodelist *ndlp, | |
740 | struct lpfc_iocbq *cmdiocb) | |
741 | { | |
742 | struct ls_rjt stat; | |
743 | uint32_t *payload; | |
744 | uint32_t cmd; | |
745 | ||
746 | payload = ((struct lpfc_dmabuf *)cmdiocb->context2)->virt; | |
747 | cmd = *payload; | |
748 | if (vport->phba->nvmet_support) { | |
749 | /* Must be a NVME PRLI */ | |
750 | if (cmd == ELS_CMD_PRLI) | |
751 | goto out; | |
752 | } else { | |
753 | /* Initiator mode. */ | |
754 | if (!vport->nvmei_support && (cmd == ELS_CMD_NVMEPRLI)) | |
755 | goto out; | |
756 | } | |
757 | return 1; | |
758 | out: | |
759 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NVME_DISC, | |
760 | "6115 Rcv PRLI (%x) check failed: ndlp rpi %d " | |
761 | "state x%x flags x%x\n", | |
762 | cmd, ndlp->nlp_rpi, ndlp->nlp_state, | |
763 | ndlp->nlp_flag); | |
764 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
765 | stat.un.b.lsRjtRsnCode = LSRJT_CMD_UNSUPPORTED; | |
766 | stat.un.b.lsRjtRsnCodeExp = LSEXP_REQ_UNSUPPORTED; | |
767 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
768 | ndlp, NULL); | |
769 | return 0; | |
770 | } | |
771 | ||
dea3101e | 772 | static void |
2e0fef85 JS |
773 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
774 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 775 | { |
a0f2d3ef | 776 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
777 | struct lpfc_dmabuf *pcmd; |
778 | uint32_t *lp; | |
779 | PRLI *npr; | |
780 | struct fc_rport *rport = ndlp->rport; | |
781 | u32 roles; | |
782 | ||
783 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
784 | lp = (uint32_t *) pcmd->virt; | |
785 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
786 | ||
a0f2d3ef JS |
787 | if ((npr->prliType == PRLI_FCP_TYPE) || |
788 | (npr->prliType == PRLI_NVME_TYPE)) { | |
789 | if (npr->initiatorFunc) { | |
790 | if (npr->prliType == PRLI_FCP_TYPE) | |
791 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
792 | if (npr->prliType == PRLI_NVME_TYPE) | |
793 | ndlp->nlp_type |= NLP_NVME_INITIATOR; | |
794 | } | |
3cb01c57 | 795 | if (npr->targetFunc) { |
a0f2d3ef JS |
796 | if (npr->prliType == PRLI_FCP_TYPE) |
797 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
798 | if (npr->prliType == PRLI_NVME_TYPE) | |
799 | ndlp->nlp_type |= NLP_NVME_TARGET; | |
3cb01c57 JS |
800 | if (npr->writeXferRdyDis) |
801 | ndlp->nlp_flag |= NLP_FIRSTBURST; | |
802 | } | |
dea3101e JB |
803 | if (npr->Retry) |
804 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
8c258641 JS |
805 | |
806 | /* If this driver is in nvme target mode, set the ndlp's fc4 | |
807 | * type to NVME provided the PRLI response claims NVME FC4 | |
808 | * type. Target mode does not issue gft_id so doesn't get | |
809 | * the fc4 type set until now. | |
810 | */ | |
83a1ed87 | 811 | if (phba->nvmet_support && (npr->prliType == PRLI_NVME_TYPE)) { |
8c258641 | 812 | ndlp->nlp_fc4_type |= NLP_FC4_NVME; |
83a1ed87 JS |
813 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
814 | } | |
815 | if (npr->prliType == PRLI_FCP_TYPE) | |
816 | ndlp->nlp_fc4_type |= NLP_FC4_FCP; | |
dea3101e JB |
817 | } |
818 | if (rport) { | |
819 | /* We need to update the rport role values */ | |
820 | roles = FC_RPORT_ROLE_UNKNOWN; | |
821 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
822 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
823 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
824 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
825 | |
826 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
827 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
828 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
829 | ||
a0f2d3ef JS |
830 | if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME) |
831 | fc_remote_port_rolechg(rport, roles); | |
dea3101e JB |
832 | } |
833 | } | |
834 | ||
835 | static uint32_t | |
2e0fef85 | 836 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 837 | { |
2e0fef85 | 838 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 839 | |
4042629e | 840 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { |
45552df1 | 841 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 842 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
45552df1 | 843 | spin_unlock_irq(shost->host_lock); |
51ef4c26 JS |
844 | return 0; |
845 | } | |
846 | ||
1b32f6aa JS |
847 | if (!(vport->fc_flag & FC_PT2PT)) { |
848 | /* Check config parameter use-adisc or FCP-2 */ | |
cfaebdb9 | 849 | if (vport->cfg_use_adisc && ((vport->fc_flag & FC_RSCN_MODE) || |
ffc95493 | 850 | ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && |
cfaebdb9 | 851 | (ndlp->nlp_type & NLP_FCP_TARGET)))) { |
1b32f6aa JS |
852 | spin_lock_irq(shost->host_lock); |
853 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
854 | spin_unlock_irq(shost->host_lock); | |
855 | return 1; | |
856 | } | |
92d7f7b0 | 857 | } |
45552df1 JS |
858 | |
859 | spin_lock_irq(shost->host_lock); | |
92d7f7b0 | 860 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
45552df1 | 861 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
862 | lpfc_unreg_rpi(vport, ndlp); |
863 | return 0; | |
dea3101e | 864 | } |
6d368e53 | 865 | |
78730cfe | 866 | /** |
25985edc | 867 | * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd. |
78730cfe JS |
868 | * @phba : Pointer to lpfc_hba structure. |
869 | * @vport: Pointer to lpfc_vport structure. | |
870 | * @rpi : rpi to be release. | |
871 | * | |
872 | * This function will send a unreg_login mailbox command to the firmware | |
873 | * to release a rpi. | |
874 | **/ | |
875 | void | |
876 | lpfc_release_rpi(struct lpfc_hba *phba, | |
877 | struct lpfc_vport *vport, | |
878 | uint16_t rpi) | |
879 | { | |
880 | LPFC_MBOXQ_t *pmb; | |
881 | int rc; | |
882 | ||
883 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
884 | GFP_KERNEL); | |
885 | if (!pmb) | |
886 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
887 | "2796 mailbox memory allocation failed \n"); | |
888 | else { | |
889 | lpfc_unreg_login(phba, vport->vpi, rpi, pmb); | |
890 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
891 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
892 | if (rc == MBX_NOT_FINISHED) | |
893 | mempool_free(pmb, phba->mbox_mem_pool); | |
894 | } | |
895 | } | |
dea3101e JB |
896 | |
897 | static uint32_t | |
2e0fef85 JS |
898 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
899 | void *arg, uint32_t evt) | |
dea3101e | 900 | { |
78730cfe JS |
901 | struct lpfc_hba *phba; |
902 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
78730cfe JS |
903 | uint16_t rpi; |
904 | ||
905 | phba = vport->phba; | |
906 | /* Release the RPI if reglogin completing */ | |
907 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
908 | (evt == NLP_EVT_CMPL_REG_LOGIN) && | |
909 | (!pmb->u.mb.mbxStatus)) { | |
78730cfe JS |
910 | rpi = pmb->u.mb.un.varWords[0]; |
911 | lpfc_release_rpi(phba, vport, rpi); | |
912 | } | |
e8b62011 | 913 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 914 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
915 | "event x%x, state x%x Data: x%x x%x\n", |
916 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
917 | ndlp->nlp_flag); | |
c9f8735b | 918 | return ndlp->nlp_state; |
dea3101e JB |
919 | } |
920 | ||
87af33fe JS |
921 | static uint32_t |
922 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
923 | void *arg, uint32_t evt) | |
924 | { | |
925 | /* This transition is only legal if we previously | |
926 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
927 | * working on the same NPortID, do nothing for this thread | |
928 | * to stop it. | |
929 | */ | |
930 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
931 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 932 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
933 | "event x%x, state x%x Data: x%x x%x\n", |
934 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
935 | ndlp->nlp_flag); | |
936 | } | |
937 | return ndlp->nlp_state; | |
938 | } | |
939 | ||
dea3101e JB |
940 | /* Start of Discovery State Machine routines */ |
941 | ||
942 | static uint32_t | |
2e0fef85 JS |
943 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
944 | void *arg, uint32_t evt) | |
dea3101e JB |
945 | { |
946 | struct lpfc_iocbq *cmdiocb; | |
947 | ||
948 | cmdiocb = (struct lpfc_iocbq *) arg; | |
949 | ||
2e0fef85 | 950 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 951 | return ndlp->nlp_state; |
dea3101e | 952 | } |
c9f8735b | 953 | return NLP_STE_FREED_NODE; |
dea3101e JB |
954 | } |
955 | ||
956 | static uint32_t | |
2e0fef85 JS |
957 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
958 | void *arg, uint32_t evt) | |
dea3101e | 959 | { |
2e0fef85 | 960 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 961 | return ndlp->nlp_state; |
dea3101e JB |
962 | } |
963 | ||
964 | static uint32_t | |
2e0fef85 JS |
965 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
966 | void *arg, uint32_t evt) | |
dea3101e | 967 | { |
2e0fef85 JS |
968 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
969 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 970 | |
2e0fef85 | 971 | spin_lock_irq(shost->host_lock); |
dea3101e | 972 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 973 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 974 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 975 | |
c9f8735b | 976 | return ndlp->nlp_state; |
dea3101e JB |
977 | } |
978 | ||
979 | static uint32_t | |
2e0fef85 JS |
980 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
981 | void *arg, uint32_t evt) | |
dea3101e | 982 | { |
c9f8735b | 983 | return NLP_STE_FREED_NODE; |
dea3101e JB |
984 | } |
985 | ||
986 | static uint32_t | |
2e0fef85 JS |
987 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
988 | void *arg, uint32_t evt) | |
dea3101e | 989 | { |
c9f8735b | 990 | return NLP_STE_FREED_NODE; |
dea3101e JB |
991 | } |
992 | ||
df9e1b59 JS |
993 | static uint32_t |
994 | lpfc_device_recov_unused_node(struct lpfc_vport *vport, | |
995 | struct lpfc_nodelist *ndlp, | |
996 | void *arg, uint32_t evt) | |
997 | { | |
998 | return ndlp->nlp_state; | |
999 | } | |
1000 | ||
dea3101e | 1001 | static uint32_t |
2e0fef85 | 1002 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1003 | void *arg, uint32_t evt) |
1004 | { | |
0d2b6b83 | 1005 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1006 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1007 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
1008 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
1009 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
1010 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e JB |
1011 | struct ls_rjt stat; |
1012 | int port_cmp; | |
1013 | ||
dea3101e JB |
1014 | memset(&stat, 0, sizeof (struct ls_rjt)); |
1015 | ||
1016 | /* For a PLOGI, we only accept if our portname is less | |
1017 | * than the remote portname. | |
1018 | */ | |
1019 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 1020 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 1021 | sizeof(struct lpfc_name)); |
dea3101e JB |
1022 | |
1023 | if (port_cmp >= 0) { | |
1024 | /* Reject this request because the remote node will accept | |
1025 | ours */ | |
1026 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1027 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
1028 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
1029 | NULL); | |
2fe165b6 | 1030 | } else { |
0d2b6b83 JS |
1031 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
1032 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
1033 | (vport->num_disc_nodes)) { | |
1034 | spin_lock_irq(shost->host_lock); | |
1035 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1036 | spin_unlock_irq(shost->host_lock); | |
1037 | /* Check if there are more PLOGIs to be sent */ | |
1038 | lpfc_more_plogi(vport); | |
1039 | if (vport->num_disc_nodes == 0) { | |
1040 | spin_lock_irq(shost->host_lock); | |
1041 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1042 | spin_unlock_irq(shost->host_lock); | |
1043 | lpfc_can_disctmo(vport); | |
1044 | lpfc_end_rscn(vport); | |
1045 | } | |
1046 | } | |
2e0fef85 | 1047 | } /* If our portname was less */ |
dea3101e | 1048 | |
c9f8735b JW |
1049 | return ndlp->nlp_state; |
1050 | } | |
1051 | ||
92d7f7b0 JS |
1052 | static uint32_t |
1053 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1054 | void *arg, uint32_t evt) | |
1055 | { | |
1056 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1057 | struct ls_rjt stat; | |
1058 | ||
1059 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1060 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
1061 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1062 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
1063 | return ndlp->nlp_state; |
1064 | } | |
1065 | ||
c9f8735b | 1066 | static uint32_t |
2e0fef85 JS |
1067 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1068 | void *arg, uint32_t evt) | |
c9f8735b | 1069 | { |
2e0fef85 | 1070 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 1071 | |
92d7f7b0 | 1072 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1073 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 1074 | |
2e0fef85 | 1075 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1076 | return ndlp->nlp_state; |
dea3101e JB |
1077 | } |
1078 | ||
1079 | static uint32_t | |
2e0fef85 JS |
1080 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1081 | void *arg, uint32_t evt) | |
dea3101e | 1082 | { |
2e0fef85 JS |
1083 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1084 | struct lpfc_hba *phba = vport->phba; | |
1085 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1086 | |
1087 | /* software abort outstanding PLOGI */ | |
07951076 | 1088 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
1089 | |
1090 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 1091 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 1092 | } else { |
2e0fef85 | 1093 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e JB |
1094 | } |
1095 | ||
2e0fef85 | 1096 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
256ec0d0 | 1097 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000 * 1)); |
2e0fef85 | 1098 | spin_lock_irq(shost->host_lock); |
5024ab17 | 1099 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1100 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
1101 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
1102 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 1103 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 1104 | |
c9f8735b | 1105 | return ndlp->nlp_state; |
dea3101e JB |
1106 | } |
1107 | ||
1108 | static uint32_t | |
2e0fef85 JS |
1109 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
1110 | struct lpfc_nodelist *ndlp, | |
1111 | void *arg, | |
dea3101e JB |
1112 | uint32_t evt) |
1113 | { | |
2e0fef85 | 1114 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 1115 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1116 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 1117 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 1118 | uint32_t *lp; |
8c258641 | 1119 | uint32_t vid, flag; |
dea3101e JB |
1120 | IOCB_t *irsp; |
1121 | struct serv_parm *sp; | |
d6de08cc | 1122 | uint32_t ed_tov; |
dea3101e | 1123 | LPFC_MBOXQ_t *mbox; |
d6de08cc | 1124 | int rc; |
dea3101e JB |
1125 | |
1126 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1127 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1128 | ||
1129 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 1130 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 1131 | return ndlp->nlp_state; |
dea3101e JB |
1132 | } |
1133 | ||
1134 | irsp = &rspiocb->iocb; | |
1135 | ||
1136 | if (irsp->ulpStatus) | |
1137 | goto out; | |
1138 | ||
1139 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
1140 | ||
2e0fef85 | 1141 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
a2fc4aef JS |
1142 | if (!prsp) |
1143 | goto out; | |
dea3101e | 1144 | |
2e0fef85 | 1145 | lp = (uint32_t *) prsp->virt; |
dea3101e | 1146 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
1147 | |
1148 | /* Some switches have FDMI servers returning 0 for WWN */ | |
1149 | if ((ndlp->nlp_DID != FDMI_DID) && | |
1150 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
1151 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
1152 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1153 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
1154 | goto out; | |
1155 | } | |
341af102 | 1156 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) |
dea3101e | 1157 | goto out; |
dea3101e | 1158 | /* PLOGI chkparm OK */ |
e8b62011 JS |
1159 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1160 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
1161 | ndlp->nlp_DID, ndlp->nlp_state, | |
1162 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 1163 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 1164 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 1165 | else |
dea3101e | 1166 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 1167 | |
dea3101e JB |
1168 | ndlp->nlp_class_sup = 0; |
1169 | if (sp->cls1.classValid) | |
1170 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
1171 | if (sp->cls2.classValid) | |
1172 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
1173 | if (sp->cls3.classValid) | |
1174 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
1175 | if (sp->cls4.classValid) | |
1176 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
1177 | ndlp->nlp_maxframe = | |
2e0fef85 | 1178 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 1179 | |
d6de08cc JS |
1180 | if ((vport->fc_flag & FC_PT2PT) && |
1181 | (vport->fc_flag & FC_PT2PT_PLOGI)) { | |
1182 | ed_tov = be32_to_cpu(sp->cmn.e_d_tov); | |
1183 | if (sp->cmn.edtovResolution) { | |
1184 | /* E_D_TOV ticks are in nanoseconds */ | |
1185 | ed_tov = (phba->fc_edtov + 999999) / 1000000; | |
1186 | } | |
1187 | ||
8c258641 JS |
1188 | ndlp->nlp_flag &= ~NLP_SUPPRESS_RSP; |
1189 | if ((phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) && | |
1190 | sp->cmn.valid_vendor_ver_level) { | |
1191 | vid = be32_to_cpu(sp->un.vv.vid); | |
1192 | flag = be32_to_cpu(sp->un.vv.flags); | |
1193 | if ((vid == LPFC_VV_EMLX_ID) && | |
1194 | (flag & LPFC_VV_SUPPRESS_RSP)) | |
1195 | ndlp->nlp_flag |= NLP_SUPPRESS_RSP; | |
1196 | } | |
1197 | ||
d6de08cc JS |
1198 | /* |
1199 | * Use the larger EDTOV | |
1200 | * RATOV = 2 * EDTOV for pt-to-pt | |
1201 | */ | |
1202 | if (ed_tov > phba->fc_edtov) | |
1203 | phba->fc_edtov = ed_tov; | |
1204 | phba->fc_ratov = (2 * phba->fc_edtov) / 1000; | |
1205 | ||
1206 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
1207 | ||
1208 | /* Issue config_link / reg_vfi to account for updated TOV's */ | |
1209 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
1210 | lpfc_issue_reg_vfi(vport); | |
1211 | } else { | |
01c73bbc JS |
1212 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1213 | if (!mbox) { | |
1214 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
1215 | "0133 PLOGI: no memory " | |
1216 | "for config_link " | |
1217 | "Data: x%x x%x x%x x%x\n", | |
1218 | ndlp->nlp_DID, ndlp->nlp_state, | |
1219 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
1220 | goto out; | |
1221 | } | |
1222 | ||
d6de08cc JS |
1223 | lpfc_config_link(phba, mbox); |
1224 | ||
1225 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1226 | mbox->vport = vport; | |
1227 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
1228 | if (rc == MBX_NOT_FINISHED) { | |
1229 | mempool_free(mbox, phba->mbox_mem_pool); | |
1230 | goto out; | |
1231 | } | |
1232 | } | |
92d7f7b0 | 1233 | } |
dea3101e | 1234 | |
2e0fef85 JS |
1235 | lpfc_unreg_rpi(vport, ndlp); |
1236 | ||
01c73bbc JS |
1237 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1238 | if (!mbox) { | |
1239 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
1240 | "0018 PLOGI: no memory for reg_login " | |
1241 | "Data: x%x x%x x%x x%x\n", | |
1242 | ndlp->nlp_DID, ndlp->nlp_state, | |
1243 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
1244 | goto out; | |
1245 | } | |
1246 | ||
6fb120a7 | 1247 | if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
4042629e | 1248 | (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { |
2fe165b6 | 1249 | switch (ndlp->nlp_DID) { |
dea3101e | 1250 | case NameServer_DID: |
de0c5b32 | 1251 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e JB |
1252 | break; |
1253 | case FDMI_DID: | |
de0c5b32 | 1254 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e JB |
1255 | break; |
1256 | default: | |
ffc95493 | 1257 | ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; |
de0c5b32 | 1258 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 1259 | } |
329f9bc7 | 1260 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 1261 | mbox->vport = vport; |
0b727fea | 1262 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 1263 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
1264 | lpfc_nlp_set_state(vport, ndlp, |
1265 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 1266 | return ndlp->nlp_state; |
dea3101e | 1267 | } |
ffc95493 JS |
1268 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
1269 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
fa4066b6 JS |
1270 | /* decrement node reference count to the failed mbox |
1271 | * command | |
1272 | */ | |
329f9bc7 | 1273 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 1274 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
1275 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1276 | kfree(mp); | |
dea3101e | 1277 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 1278 | |
e8b62011 JS |
1279 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1280 | "0134 PLOGI: cannot issue reg_login " | |
1281 | "Data: x%x x%x x%x x%x\n", | |
1282 | ndlp->nlp_DID, ndlp->nlp_state, | |
1283 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
1284 | } else { |
1285 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1286 | |
e8b62011 JS |
1287 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1288 | "0135 PLOGI: cannot format reg_login " | |
1289 | "Data: x%x x%x x%x x%x\n", | |
1290 | ndlp->nlp_DID, ndlp->nlp_state, | |
1291 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
1292 | } |
1293 | ||
1294 | ||
92d7f7b0 JS |
1295 | out: |
1296 | if (ndlp->nlp_DID == NameServer_DID) { | |
1297 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1298 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1299 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
1300 | } |
1301 | ||
8b455cf3 JS |
1302 | /* |
1303 | ** In case the node reference counter does not go to zero, ensure that | |
1304 | ** the stale state for the node is not processed. | |
1305 | */ | |
1306 | ||
1307 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
1308 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
0ff10d46 | 1309 | spin_lock_irq(shost->host_lock); |
a8adb832 | 1310 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 1311 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1312 | return NLP_STE_FREED_NODE; |
dea3101e JB |
1313 | } |
1314 | ||
0ff10d46 JS |
1315 | static uint32_t |
1316 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1317 | void *arg, uint32_t evt) | |
1318 | { | |
1319 | return ndlp->nlp_state; | |
1320 | } | |
1321 | ||
1322 | static uint32_t | |
1323 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
1324 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
1325 | { | |
78730cfe JS |
1326 | struct lpfc_hba *phba; |
1327 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
1328 | MAILBOX_t *mb = &pmb->u.mb; | |
1329 | uint16_t rpi; | |
1330 | ||
1331 | phba = vport->phba; | |
1332 | /* Release the RPI */ | |
1333 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
1334 | !mb->mbxStatus) { | |
1335 | rpi = pmb->u.mb.un.varWords[0]; | |
1336 | lpfc_release_rpi(phba, vport, rpi); | |
1337 | } | |
0ff10d46 JS |
1338 | return ndlp->nlp_state; |
1339 | } | |
1340 | ||
dea3101e | 1341 | static uint32_t |
2e0fef85 JS |
1342 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1343 | void *arg, uint32_t evt) | |
dea3101e | 1344 | { |
2e0fef85 JS |
1345 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1346 | ||
1347 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1348 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1349 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1350 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1351 | return ndlp->nlp_state; |
2e0fef85 | 1352 | } else { |
a0f9b48d | 1353 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1354 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1355 | |
2e0fef85 | 1356 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1357 | return NLP_STE_FREED_NODE; |
1358 | } | |
dea3101e JB |
1359 | } |
1360 | ||
1361 | static uint32_t | |
2e0fef85 JS |
1362 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
1363 | struct lpfc_nodelist *ndlp, | |
1364 | void *arg, | |
1365 | uint32_t evt) | |
dea3101e | 1366 | { |
2e0fef85 JS |
1367 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1368 | struct lpfc_hba *phba = vport->phba; | |
1369 | ||
92d7f7b0 JS |
1370 | /* Don't do anything that will mess up processing of the |
1371 | * previous RSCN. | |
1372 | */ | |
1373 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1374 | return ndlp->nlp_state; | |
1375 | ||
dea3101e | 1376 | /* software abort outstanding PLOGI */ |
07951076 | 1377 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1378 | |
5024ab17 | 1379 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 1380 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 1381 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1382 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1383 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1384 | |
c9f8735b | 1385 | return ndlp->nlp_state; |
dea3101e JB |
1386 | } |
1387 | ||
1388 | static uint32_t | |
2e0fef85 JS |
1389 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1390 | void *arg, uint32_t evt) | |
dea3101e | 1391 | { |
0d2b6b83 | 1392 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1393 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1394 | struct lpfc_iocbq *cmdiocb; |
1395 | ||
1396 | /* software abort outstanding ADISC */ | |
07951076 | 1397 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
1398 | |
1399 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1400 | ||
0d2b6b83 JS |
1401 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1402 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1403 | spin_lock_irq(shost->host_lock); | |
1404 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1405 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 1406 | if (vport->num_disc_nodes) |
0d2b6b83 | 1407 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1408 | } |
1409 | return ndlp->nlp_state; | |
1410 | } | |
5024ab17 | 1411 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1412 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1413 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1414 | |
c9f8735b | 1415 | return ndlp->nlp_state; |
dea3101e JB |
1416 | } |
1417 | ||
1418 | static uint32_t | |
2e0fef85 JS |
1419 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1420 | void *arg, uint32_t evt) | |
dea3101e | 1421 | { |
2e0fef85 | 1422 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1423 | |
49507db1 JS |
1424 | if (lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) |
1425 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1426 | return ndlp->nlp_state; |
dea3101e JB |
1427 | } |
1428 | ||
1429 | static uint32_t | |
2e0fef85 JS |
1430 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1431 | void *arg, uint32_t evt) | |
dea3101e | 1432 | { |
2e0fef85 | 1433 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1434 | struct lpfc_iocbq *cmdiocb; |
1435 | ||
1436 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1437 | ||
1438 | /* software abort outstanding ADISC */ | |
07951076 | 1439 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1440 | |
2e0fef85 | 1441 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1442 | return ndlp->nlp_state; |
dea3101e JB |
1443 | } |
1444 | ||
1445 | static uint32_t | |
2e0fef85 JS |
1446 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1447 | struct lpfc_nodelist *ndlp, | |
1448 | void *arg, uint32_t evt) | |
dea3101e JB |
1449 | { |
1450 | struct lpfc_iocbq *cmdiocb; | |
1451 | ||
1452 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1453 | ||
2e0fef85 | 1454 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1455 | return ndlp->nlp_state; |
dea3101e JB |
1456 | } |
1457 | ||
1458 | static uint32_t | |
2e0fef85 JS |
1459 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1460 | void *arg, uint32_t evt) | |
dea3101e JB |
1461 | { |
1462 | struct lpfc_iocbq *cmdiocb; | |
1463 | ||
1464 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1465 | ||
1466 | /* Treat like rcv logo */ | |
2e0fef85 | 1467 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1468 | return ndlp->nlp_state; |
dea3101e JB |
1469 | } |
1470 | ||
1471 | static uint32_t | |
2e0fef85 JS |
1472 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1473 | struct lpfc_nodelist *ndlp, | |
1474 | void *arg, uint32_t evt) | |
dea3101e | 1475 | { |
2e0fef85 JS |
1476 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1477 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1478 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1479 | IOCB_t *irsp; | |
1480 | ADISC *ap; | |
6fb120a7 | 1481 | int rc; |
dea3101e JB |
1482 | |
1483 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1484 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1485 | ||
1486 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1487 | irsp = &rspiocb->iocb; | |
1488 | ||
1489 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1490 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e | 1491 | /* 1 sec timeout */ |
256ec0d0 JS |
1492 | mod_timer(&ndlp->nlp_delayfunc, |
1493 | jiffies + msecs_to_jiffies(1000)); | |
2e0fef85 | 1494 | spin_lock_irq(shost->host_lock); |
dea3101e | 1495 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1496 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1497 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1498 | |
2e0fef85 JS |
1499 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1500 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1501 | |
5024ab17 | 1502 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1503 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1504 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1505 | return ndlp->nlp_state; |
dea3101e | 1506 | } |
5024ab17 | 1507 | |
6fb120a7 | 1508 | if (phba->sli_rev == LPFC_SLI_REV4) { |
6b5151fd | 1509 | rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); |
6fb120a7 JS |
1510 | if (rc) { |
1511 | /* Stay in state and retry. */ | |
1512 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; | |
1513 | return ndlp->nlp_state; | |
1514 | } | |
1515 | } | |
1516 | ||
2501322e | 1517 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1518 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1519 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1520 | } else { |
5024ab17 | 1521 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1522 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1523 | } |
6fb120a7 | 1524 | |
c9f8735b | 1525 | return ndlp->nlp_state; |
dea3101e JB |
1526 | } |
1527 | ||
1528 | static uint32_t | |
2e0fef85 JS |
1529 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1530 | void *arg, uint32_t evt) | |
dea3101e | 1531 | { |
2e0fef85 JS |
1532 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1533 | ||
1534 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1535 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1536 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1537 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1538 | return ndlp->nlp_state; |
2e0fef85 | 1539 | } else { |
a0f9b48d | 1540 | /* software abort outstanding ADISC */ |
2e0fef85 | 1541 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1542 | |
2e0fef85 | 1543 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1544 | return NLP_STE_FREED_NODE; |
1545 | } | |
dea3101e JB |
1546 | } |
1547 | ||
1548 | static uint32_t | |
2e0fef85 JS |
1549 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1550 | struct lpfc_nodelist *ndlp, | |
1551 | void *arg, | |
1552 | uint32_t evt) | |
dea3101e | 1553 | { |
2e0fef85 JS |
1554 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1555 | struct lpfc_hba *phba = vport->phba; | |
1556 | ||
92d7f7b0 JS |
1557 | /* Don't do anything that will mess up processing of the |
1558 | * previous RSCN. | |
1559 | */ | |
1560 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1561 | return ndlp->nlp_state; | |
1562 | ||
dea3101e | 1563 | /* software abort outstanding ADISC */ |
07951076 | 1564 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1565 | |
5024ab17 | 1566 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1567 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1568 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1569 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1570 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1571 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1572 | return ndlp->nlp_state; |
dea3101e JB |
1573 | } |
1574 | ||
1575 | static uint32_t | |
2e0fef85 JS |
1576 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1577 | struct lpfc_nodelist *ndlp, | |
1578 | void *arg, | |
dea3101e JB |
1579 | uint32_t evt) |
1580 | { | |
2e0fef85 | 1581 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1582 | |
2e0fef85 | 1583 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1584 | return ndlp->nlp_state; |
dea3101e JB |
1585 | } |
1586 | ||
1587 | static uint32_t | |
2e0fef85 JS |
1588 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1589 | struct lpfc_nodelist *ndlp, | |
1590 | void *arg, | |
dea3101e JB |
1591 | uint32_t evt) |
1592 | { | |
2e0fef85 | 1593 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
8c258641 | 1594 | struct ls_rjt stat; |
dea3101e | 1595 | |
49507db1 JS |
1596 | if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) { |
1597 | return ndlp->nlp_state; | |
1598 | } | |
8c258641 JS |
1599 | if (vport->phba->nvmet_support) { |
1600 | /* NVME Target mode. Handle and respond to the PRLI and | |
1601 | * transition to UNMAPPED provided the RPI has completed | |
1602 | * registration. | |
1603 | */ | |
1604 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { | |
1605 | lpfc_rcv_prli(vport, ndlp, cmdiocb); | |
1606 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
8c258641 JS |
1607 | } else { |
1608 | /* RPI registration has not completed. Reject the PRLI | |
1609 | * to prevent an illegal state transition when the | |
1610 | * rpi registration does complete. | |
1611 | */ | |
8c258641 | 1612 | memset(&stat, 0, sizeof(struct ls_rjt)); |
f8fe90ab JS |
1613 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
1614 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
8c258641 JS |
1615 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
1616 | ndlp, NULL); | |
83a1ed87 | 1617 | return ndlp->nlp_state; |
8c258641 JS |
1618 | } |
1619 | } else { | |
1620 | /* Initiator mode. */ | |
1621 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
1622 | } | |
c9f8735b | 1623 | return ndlp->nlp_state; |
dea3101e JB |
1624 | } |
1625 | ||
1626 | static uint32_t | |
2e0fef85 JS |
1627 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1628 | struct lpfc_nodelist *ndlp, | |
1629 | void *arg, | |
dea3101e JB |
1630 | uint32_t evt) |
1631 | { | |
2e0fef85 JS |
1632 | struct lpfc_hba *phba = vport->phba; |
1633 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1634 | LPFC_MBOXQ_t *mb; |
1635 | LPFC_MBOXQ_t *nextmb; | |
1636 | struct lpfc_dmabuf *mp; | |
dea3101e JB |
1637 | |
1638 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1639 | ||
7054a606 JS |
1640 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1641 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1642 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1643 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
de96e9c5 | 1644 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; |
92d7f7b0 | 1645 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1646 | mb->context2 = NULL; |
1647 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1648 | } | |
1649 | } | |
1650 | ||
2e0fef85 | 1651 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1652 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1653 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 JS |
1654 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
1655 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1656 | if (mp) { | |
98c9ea5c | 1657 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1658 | kfree(mp); |
1659 | } | |
de96e9c5 | 1660 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; |
92d7f7b0 | 1661 | lpfc_nlp_put(ndlp); |
7054a606 | 1662 | list_del(&mb->list); |
5ffc266e | 1663 | phba->sli.mboxq_cnt--; |
7054a606 JS |
1664 | mempool_free(mb, phba->mbox_mem_pool); |
1665 | } | |
1666 | } | |
2e0fef85 | 1667 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1668 | |
2e0fef85 | 1669 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1670 | return ndlp->nlp_state; |
dea3101e JB |
1671 | } |
1672 | ||
1673 | static uint32_t | |
2e0fef85 JS |
1674 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1675 | struct lpfc_nodelist *ndlp, | |
1676 | void *arg, | |
dea3101e JB |
1677 | uint32_t evt) |
1678 | { | |
2e0fef85 | 1679 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1680 | |
2e0fef85 | 1681 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1682 | return ndlp->nlp_state; |
dea3101e JB |
1683 | } |
1684 | ||
1685 | static uint32_t | |
2e0fef85 JS |
1686 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1687 | struct lpfc_nodelist *ndlp, | |
1688 | void *arg, | |
dea3101e JB |
1689 | uint32_t evt) |
1690 | { | |
1691 | struct lpfc_iocbq *cmdiocb; | |
1692 | ||
1693 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1694 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1695 | return ndlp->nlp_state; |
dea3101e JB |
1696 | } |
1697 | ||
1698 | static uint32_t | |
2e0fef85 JS |
1699 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1700 | struct lpfc_nodelist *ndlp, | |
1701 | void *arg, | |
1702 | uint32_t evt) | |
dea3101e | 1703 | { |
2e0fef85 | 1704 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
a0f2d3ef | 1705 | struct lpfc_hba *phba = vport->phba; |
2e0fef85 | 1706 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1707 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1708 | uint32_t did = mb->un.varWords[1]; |
a0f2d3ef | 1709 | int rc = 0; |
dea3101e | 1710 | |
dea3101e JB |
1711 | if (mb->mbxStatus) { |
1712 | /* RegLogin failed */ | |
e8b62011 | 1713 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
6d368e53 JS |
1714 | "0246 RegLogin failed Data: x%x x%x x%x x%x " |
1715 | "x%x\n", | |
1716 | did, mb->mbxStatus, vport->port_state, | |
1717 | mb->un.varRegLogin.vpi, | |
1718 | mb->un.varRegLogin.rpi); | |
d0e56dad JS |
1719 | /* |
1720 | * If RegLogin failed due to lack of HBA resources do not | |
1721 | * retry discovery. | |
1722 | */ | |
1723 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1724 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1725 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1726 | return ndlp->nlp_state; |
1727 | } | |
1728 | ||
2e0fef85 | 1729 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
256ec0d0 JS |
1730 | mod_timer(&ndlp->nlp_delayfunc, |
1731 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 1732 | spin_lock_irq(shost->host_lock); |
dea3101e | 1733 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1734 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1735 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1736 | |
2e0fef85 | 1737 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1738 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1739 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1740 | return ndlp->nlp_state; |
dea3101e JB |
1741 | } |
1742 | ||
6d368e53 | 1743 | /* SLI4 ports have preallocated logical rpis. */ |
a0f2d3ef | 1744 | if (phba->sli_rev < LPFC_SLI_REV4) |
6d368e53 JS |
1745 | ndlp->nlp_rpi = mb->un.varWords[0]; |
1746 | ||
4042629e | 1747 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e JB |
1748 | |
1749 | /* Only if we are not a fabric nport do we issue PRLI */ | |
a0f2d3ef JS |
1750 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1751 | "3066 RegLogin Complete on x%x x%x x%x\n", | |
1752 | did, ndlp->nlp_type, ndlp->nlp_fc4_type); | |
1753 | if (!(ndlp->nlp_type & NLP_FABRIC) && | |
1754 | (phba->nvmet_support == 0)) { | |
1755 | /* The driver supports FCP and NVME concurrently. If the | |
1756 | * ndlp's nlp_fc4_type is still zero, the driver doesn't | |
1757 | * know what PRLI to send yet. Figure that out now and | |
1758 | * call PRLI depending on the outcome. | |
1759 | */ | |
1760 | if (vport->fc_flag & FC_PT2PT) { | |
1761 | /* If we are pt2pt, there is no Fabric to determine | |
1762 | * the FC4 type of the remote nport. So if NVME | |
1763 | * is configured try it. | |
1764 | */ | |
1765 | ndlp->nlp_fc4_type |= NLP_FC4_FCP; | |
1766 | if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || | |
1767 | (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) { | |
1768 | ndlp->nlp_fc4_type |= NLP_FC4_NVME; | |
1769 | /* We need to update the localport also */ | |
01649561 | 1770 | lpfc_nvme_update_localport(vport); |
a0f2d3ef JS |
1771 | } |
1772 | ||
2877cbff DK |
1773 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
1774 | ndlp->nlp_fc4_type |= NLP_FC4_FCP; | |
1775 | ||
a0f2d3ef JS |
1776 | } else if (ndlp->nlp_fc4_type == 0) { |
1777 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID, | |
1778 | 0, ndlp->nlp_DID); | |
1779 | return ndlp->nlp_state; | |
1780 | } | |
1781 | ||
5024ab17 | 1782 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1783 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1784 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1785 | } else { |
8c258641 JS |
1786 | if ((vport->fc_flag & FC_PT2PT) && phba->nvmet_support) |
1787 | phba->targetport->port_id = vport->fc_myDID; | |
1788 | ||
1789 | /* Only Fabric ports should transition. NVME target | |
1790 | * must complete PRLI. | |
1791 | */ | |
a0f2d3ef JS |
1792 | if (ndlp->nlp_type & NLP_FABRIC) { |
1793 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; | |
1794 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
1795 | } | |
dea3101e | 1796 | } |
c9f8735b | 1797 | return ndlp->nlp_state; |
dea3101e JB |
1798 | } |
1799 | ||
1800 | static uint32_t | |
2e0fef85 JS |
1801 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1802 | struct lpfc_nodelist *ndlp, | |
1803 | void *arg, | |
dea3101e JB |
1804 | uint32_t evt) |
1805 | { | |
2e0fef85 JS |
1806 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1807 | ||
1808 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1809 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1810 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1811 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1812 | return ndlp->nlp_state; |
2e0fef85 JS |
1813 | } else { |
1814 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1815 | return NLP_STE_FREED_NODE; |
1816 | } | |
dea3101e JB |
1817 | } |
1818 | ||
1819 | static uint32_t | |
2e0fef85 JS |
1820 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1821 | struct lpfc_nodelist *ndlp, | |
1822 | void *arg, | |
1823 | uint32_t evt) | |
dea3101e | 1824 | { |
2e0fef85 JS |
1825 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1826 | ||
92d7f7b0 JS |
1827 | /* Don't do anything that will mess up processing of the |
1828 | * previous RSCN. | |
1829 | */ | |
1830 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1831 | return ndlp->nlp_state; | |
1832 | ||
5024ab17 | 1833 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1834 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1835 | spin_lock_irq(shost->host_lock); | |
a0f2d3ef | 1836 | |
8c258641 JS |
1837 | /* If we are a target we won't immediately transition into PRLI, |
1838 | * so if REG_LOGIN already completed we don't need to ignore it. | |
1839 | */ | |
1840 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED) || | |
1841 | !vport->phba->nvmet_support) | |
1842 | ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; | |
1843 | ||
a0f9b48d | 1844 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1845 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1846 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1847 | return ndlp->nlp_state; |
dea3101e JB |
1848 | } |
1849 | ||
1850 | static uint32_t | |
2e0fef85 JS |
1851 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1852 | void *arg, uint32_t evt) | |
dea3101e JB |
1853 | { |
1854 | struct lpfc_iocbq *cmdiocb; | |
1855 | ||
1856 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1857 | ||
2e0fef85 | 1858 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1859 | return ndlp->nlp_state; |
dea3101e JB |
1860 | } |
1861 | ||
1862 | static uint32_t | |
2e0fef85 JS |
1863 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1864 | void *arg, uint32_t evt) | |
dea3101e | 1865 | { |
2e0fef85 | 1866 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1867 | |
49507db1 JS |
1868 | if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) |
1869 | return ndlp->nlp_state; | |
2e0fef85 | 1870 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1871 | return ndlp->nlp_state; |
dea3101e JB |
1872 | } |
1873 | ||
1874 | static uint32_t | |
2e0fef85 JS |
1875 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1876 | void *arg, uint32_t evt) | |
dea3101e | 1877 | { |
2e0fef85 | 1878 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e JB |
1879 | |
1880 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1881 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1882 | |
2e0fef85 | 1883 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1884 | return ndlp->nlp_state; |
dea3101e JB |
1885 | } |
1886 | ||
1887 | static uint32_t | |
2e0fef85 JS |
1888 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1889 | void *arg, uint32_t evt) | |
dea3101e | 1890 | { |
2e0fef85 | 1891 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1892 | |
2e0fef85 | 1893 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1894 | return ndlp->nlp_state; |
dea3101e JB |
1895 | } |
1896 | ||
1897 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1898 | * we are logged into. We should send back a PRLO rsp setting the | |
1899 | * appropriate bits. | |
1900 | * NEXT STATE = PRLI_ISSUE | |
1901 | */ | |
1902 | static uint32_t | |
2e0fef85 JS |
1903 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1904 | void *arg, uint32_t evt) | |
dea3101e | 1905 | { |
2e0fef85 | 1906 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1907 | |
51ef4c26 | 1908 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1909 | return ndlp->nlp_state; |
dea3101e JB |
1910 | } |
1911 | ||
1912 | static uint32_t | |
2e0fef85 JS |
1913 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1914 | void *arg, uint32_t evt) | |
dea3101e | 1915 | { |
92d7f7b0 | 1916 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1917 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1918 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1919 | IOCB_t *irsp; |
1920 | PRLI *npr; | |
a0f2d3ef JS |
1921 | struct lpfc_nvme_prli *nvpr; |
1922 | void *temp_ptr; | |
dea3101e JB |
1923 | |
1924 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1925 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f2d3ef JS |
1926 | |
1927 | /* A solicited PRLI is either FCP or NVME. The PRLI cmd/rsp | |
1928 | * format is different so NULL the two PRLI types so that the | |
1929 | * driver correctly gets the correct context. | |
1930 | */ | |
1931 | npr = NULL; | |
1932 | nvpr = NULL; | |
1933 | temp_ptr = lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1934 | if (cmdiocb->iocb_flag & LPFC_PRLI_FCP_REQ) | |
1935 | npr = (PRLI *) temp_ptr; | |
1936 | else if (cmdiocb->iocb_flag & LPFC_PRLI_NVME_REQ) | |
1937 | nvpr = (struct lpfc_nvme_prli *) temp_ptr; | |
dea3101e JB |
1938 | |
1939 | irsp = &rspiocb->iocb; | |
1940 | if (irsp->ulpStatus) { | |
858c9f6c | 1941 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1942 | vport->cfg_restrict_login) { |
858c9f6c JS |
1943 | goto out; |
1944 | } | |
a0f2d3ef | 1945 | |
8db1c2b3 DK |
1946 | /* When the rport rejected the FCP PRLI as unsupported. |
1947 | * This should only happen in Pt2Pt so an NVME PRLI | |
1948 | * should be outstanding still. | |
1949 | */ | |
1950 | if (npr && ndlp->nlp_flag & NLP_FCP_PRLI_RJT) { | |
1951 | ndlp->nlp_fc4_type &= ~NLP_FC4_FCP; | |
1952 | goto out_err; | |
1953 | } | |
1954 | ||
a0f2d3ef JS |
1955 | /* The LS Req had some error. Don't let this be a |
1956 | * target. | |
1957 | */ | |
1958 | if ((ndlp->fc4_prli_sent == 1) && | |
1959 | (ndlp->nlp_state == NLP_STE_PRLI_ISSUE) && | |
1960 | (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_FCP_INITIATOR))) | |
1961 | /* The FCP PRLI completed successfully but | |
1962 | * the NVME PRLI failed. Since they are sent in | |
1963 | * succession, allow the FCP to complete. | |
1964 | */ | |
1965 | goto out_err; | |
1966 | ||
5024ab17 | 1967 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
a0f2d3ef | 1968 | ndlp->nlp_type |= NLP_FCP_INITIATOR; |
2e0fef85 | 1969 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1970 | return ndlp->nlp_state; |
dea3101e JB |
1971 | } |
1972 | ||
a0f2d3ef | 1973 | if (npr && (npr->acceptRspCode == PRLI_REQ_EXECUTED) && |
dea3101e | 1974 | (npr->prliType == PRLI_FCP_TYPE)) { |
a0f2d3ef JS |
1975 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC, |
1976 | "6028 FCP NPR PRLI Cmpl Init %d Target %d\n", | |
1977 | npr->initiatorFunc, | |
1978 | npr->targetFunc); | |
dea3101e JB |
1979 | if (npr->initiatorFunc) |
1980 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
3cb01c57 | 1981 | if (npr->targetFunc) { |
dea3101e | 1982 | ndlp->nlp_type |= NLP_FCP_TARGET; |
3cb01c57 JS |
1983 | if (npr->writeXferRdyDis) |
1984 | ndlp->nlp_flag |= NLP_FIRSTBURST; | |
1985 | } | |
dea3101e JB |
1986 | if (npr->Retry) |
1987 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
a0f2d3ef | 1988 | |
a0f2d3ef JS |
1989 | } else if (nvpr && |
1990 | (bf_get_be32(prli_acc_rsp_code, nvpr) == | |
1991 | PRLI_REQ_EXECUTED) && | |
1992 | (bf_get_be32(prli_type_code, nvpr) == | |
1993 | PRLI_NVME_TYPE)) { | |
1994 | ||
1995 | /* Complete setting up the remote ndlp personality. */ | |
1996 | if (bf_get_be32(prli_init, nvpr)) | |
1997 | ndlp->nlp_type |= NLP_NVME_INITIATOR; | |
1998 | ||
1999 | /* Target driver cannot solicit NVME FB. */ | |
2000 | if (bf_get_be32(prli_tgt, nvpr)) { | |
dc53a618 JS |
2001 | /* Complete the nvme target roles. The transport |
2002 | * needs to know if the rport is capable of | |
2003 | * discovery in addition to its role. | |
2004 | */ | |
a0f2d3ef | 2005 | ndlp->nlp_type |= NLP_NVME_TARGET; |
dc53a618 JS |
2006 | if (bf_get_be32(prli_disc, nvpr)) |
2007 | ndlp->nlp_type |= NLP_NVME_DISCOVERY; | |
ede74a30 JS |
2008 | |
2009 | /* | |
2010 | * If prli_fba is set, the Target supports FirstBurst. | |
2011 | * If prli_fb_sz is 0, the FirstBurst size is unlimited, | |
2012 | * otherwise it defines the actual size supported by | |
2013 | * the NVME Target. | |
2014 | */ | |
a0f2d3ef | 2015 | if ((bf_get_be32(prli_fba, nvpr) == 1) && |
a0f2d3ef JS |
2016 | (phba->cfg_nvme_enable_fb) && |
2017 | (!phba->nvmet_support)) { | |
2018 | /* Both sides support FB. The target's first | |
2019 | * burst size is a 512 byte encoded value. | |
2020 | */ | |
2021 | ndlp->nlp_flag |= NLP_FIRSTBURST; | |
2022 | ndlp->nvme_fb_size = bf_get_be32(prli_fb_sz, | |
2023 | nvpr); | |
ede74a30 JS |
2024 | |
2025 | /* Expressed in units of 512 bytes */ | |
2026 | if (ndlp->nvme_fb_size) | |
2027 | ndlp->nvme_fb_size <<= | |
2028 | LPFC_NVME_FB_SHIFT; | |
2029 | else | |
2030 | ndlp->nvme_fb_size = LPFC_NVME_MAX_FB; | |
a0f2d3ef JS |
2031 | } |
2032 | } | |
2033 | ||
a0f2d3ef JS |
2034 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC, |
2035 | "6029 NVME PRLI Cmpl w1 x%08x " | |
2036 | "w4 x%08x w5 x%08x flag x%x, " | |
2037 | "fcp_info x%x nlp_type x%x\n", | |
2038 | be32_to_cpu(nvpr->word1), | |
2039 | be32_to_cpu(nvpr->word4), | |
2040 | be32_to_cpu(nvpr->word5), | |
2041 | ndlp->nlp_flag, ndlp->nlp_fcp_info, | |
2042 | ndlp->nlp_type); | |
dea3101e | 2043 | } |
92d7f7b0 JS |
2044 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
2045 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 2046 | vport->cfg_restrict_login) { |
858c9f6c | 2047 | out: |
92d7f7b0 JS |
2048 | spin_lock_irq(shost->host_lock); |
2049 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
2050 | spin_unlock_irq(shost->host_lock); | |
2051 | lpfc_issue_els_logo(vport, ndlp, 0); | |
2052 | ||
2053 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 2054 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
2055 | return ndlp->nlp_state; |
2056 | } | |
dea3101e | 2057 | |
a0f2d3ef JS |
2058 | out_err: |
2059 | /* The ndlp state cannot move to MAPPED or UNMAPPED before all PRLIs | |
2060 | * are complete. | |
2061 | */ | |
2062 | if (ndlp->fc4_prli_sent == 0) { | |
2063 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
2064 | if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET)) | |
2065 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
83a1ed87 JS |
2066 | else if (ndlp->nlp_type & |
2067 | (NLP_FCP_INITIATOR | NLP_NVME_INITIATOR)) | |
a0f2d3ef JS |
2068 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2069 | } else | |
2070 | lpfc_printf_vlog(vport, | |
2071 | KERN_INFO, LOG_ELS, | |
2072 | "3067 PRLI's still outstanding " | |
2073 | "on x%06x - count %d, Pend Node Mode " | |
2074 | "transition...\n", | |
2075 | ndlp->nlp_DID, ndlp->fc4_prli_sent); | |
2076 | ||
c9f8735b | 2077 | return ndlp->nlp_state; |
dea3101e JB |
2078 | } |
2079 | ||
2080 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
2081 | * |
2082 | * \pre | |
2083 | * \post | |
2084 | * \param phba | |
2085 | * \param ndlp | |
2086 | * \param arg | |
2087 | * \param evt | |
2088 | * \return uint32_t | |
2089 | * | |
2090 | * \b Description: | |
2091 | * This routine is envoked when we a request to remove a nport we are in the | |
2092 | * process of PRLIing. We should software abort outstanding prli, unreg | |
2093 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
2094 | * on plogi list so it can be freed when LOGO completes. | |
2095 | * | |
2096 | */ | |
2097 | ||
dea3101e | 2098 | static uint32_t |
2e0fef85 JS |
2099 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2100 | void *arg, uint32_t evt) | |
dea3101e | 2101 | { |
2e0fef85 JS |
2102 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2103 | ||
2104 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
2105 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2106 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 2107 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 2108 | return ndlp->nlp_state; |
2e0fef85 | 2109 | } else { |
a0f9b48d | 2110 | /* software abort outstanding PLOGI */ |
2e0fef85 | 2111 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 2112 | |
2e0fef85 | 2113 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2114 | return NLP_STE_FREED_NODE; |
2115 | } | |
dea3101e JB |
2116 | } |
2117 | ||
2118 | ||
2119 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
2120 | * |
2121 | * \pre | |
2122 | * \post | |
2123 | * \param phba | |
2124 | * \param ndlp | |
2125 | * \param arg | |
2126 | * \param evt | |
2127 | * \return uint32_t | |
2128 | * | |
2129 | * \b Description: | |
2130 | * The routine is envoked when the state of a device is unknown, like | |
2131 | * during a link down. We should remove the nodelist entry from the | |
2132 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
2133 | * outstanding PRLI command, then free the node entry. | |
2134 | */ | |
dea3101e | 2135 | static uint32_t |
2e0fef85 JS |
2136 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
2137 | struct lpfc_nodelist *ndlp, | |
2138 | void *arg, | |
2139 | uint32_t evt) | |
dea3101e | 2140 | { |
2e0fef85 JS |
2141 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2142 | struct lpfc_hba *phba = vport->phba; | |
2143 | ||
92d7f7b0 JS |
2144 | /* Don't do anything that will mess up processing of the |
2145 | * previous RSCN. | |
2146 | */ | |
2147 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
2148 | return ndlp->nlp_state; | |
2149 | ||
dea3101e | 2150 | /* software abort outstanding PRLI */ |
07951076 | 2151 | lpfc_els_abort(phba, ndlp); |
dea3101e | 2152 | |
5024ab17 | 2153 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
2154 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2155 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2156 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 2157 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 2158 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 2159 | return ndlp->nlp_state; |
dea3101e JB |
2160 | } |
2161 | ||
086a345f JS |
2162 | static uint32_t |
2163 | lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2164 | void *arg, uint32_t evt) | |
2165 | { | |
2166 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
2167 | struct ls_rjt stat; | |
2168 | ||
2169 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
2170 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2171 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2172 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
2173 | return ndlp->nlp_state; | |
2174 | } | |
2175 | ||
2176 | static uint32_t | |
2177 | lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2178 | void *arg, uint32_t evt) | |
2179 | { | |
2180 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
2181 | struct ls_rjt stat; | |
2182 | ||
2183 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
2184 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2185 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2186 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
2187 | return ndlp->nlp_state; | |
2188 | } | |
2189 | ||
2190 | static uint32_t | |
2191 | lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2192 | void *arg, uint32_t evt) | |
2193 | { | |
2194 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2195 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
2196 | ||
2197 | spin_lock_irq(shost->host_lock); | |
7c5e518c | 2198 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
086a345f JS |
2199 | spin_unlock_irq(shost->host_lock); |
2200 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); | |
2201 | return ndlp->nlp_state; | |
2202 | } | |
2203 | ||
2204 | static uint32_t | |
2205 | lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2206 | void *arg, uint32_t evt) | |
2207 | { | |
2208 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
2209 | struct ls_rjt stat; | |
2210 | ||
2211 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
2212 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2213 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2214 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
2215 | return ndlp->nlp_state; | |
2216 | } | |
2217 | ||
2218 | static uint32_t | |
2219 | lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2220 | void *arg, uint32_t evt) | |
2221 | { | |
2222 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
2223 | struct ls_rjt stat; | |
2224 | ||
2225 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
2226 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2227 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2228 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
2229 | return ndlp->nlp_state; | |
2230 | } | |
2231 | ||
2232 | static uint32_t | |
2233 | lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2234 | void *arg, uint32_t evt) | |
2235 | { | |
2236 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2237 | ||
2238 | ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE; | |
2239 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
2240 | spin_lock_irq(shost->host_lock); | |
2241 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); | |
2242 | spin_unlock_irq(shost->host_lock); | |
2243 | lpfc_disc_set_adisc(vport, ndlp); | |
2244 | return ndlp->nlp_state; | |
2245 | } | |
2246 | ||
2247 | static uint32_t | |
2248 | lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2249 | void *arg, uint32_t evt) | |
2250 | { | |
2251 | /* | |
d2aa4876 DK |
2252 | * DevLoss has timed out and is calling for Device Remove. |
2253 | * In this case, abort the LOGO and cleanup the ndlp | |
086a345f | 2254 | */ |
d2aa4876 DK |
2255 | |
2256 | lpfc_unreg_rpi(vport, ndlp); | |
2257 | /* software abort outstanding PLOGI */ | |
2258 | lpfc_els_abort(vport->phba, ndlp); | |
2259 | lpfc_drop_node(vport, ndlp); | |
2260 | return NLP_STE_FREED_NODE; | |
086a345f JS |
2261 | } |
2262 | ||
2263 | static uint32_t | |
2264 | lpfc_device_recov_logo_issue(struct lpfc_vport *vport, | |
2265 | struct lpfc_nodelist *ndlp, | |
2266 | void *arg, uint32_t evt) | |
2267 | { | |
2268 | /* | |
2269 | * Device Recovery events have no meaning for a node with a LOGO | |
2270 | * outstanding. The LOGO has to complete first and handle the | |
2271 | * node from that point. | |
2272 | */ | |
2273 | return ndlp->nlp_state; | |
2274 | } | |
2275 | ||
dea3101e | 2276 | static uint32_t |
2e0fef85 JS |
2277 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2278 | void *arg, uint32_t evt) | |
dea3101e | 2279 | { |
2e0fef85 | 2280 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2281 | |
2e0fef85 | 2282 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 2283 | return ndlp->nlp_state; |
dea3101e JB |
2284 | } |
2285 | ||
2286 | static uint32_t | |
2e0fef85 JS |
2287 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2288 | void *arg, uint32_t evt) | |
dea3101e | 2289 | { |
2e0fef85 | 2290 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2291 | |
49507db1 JS |
2292 | if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) |
2293 | return ndlp->nlp_state; | |
2294 | ||
2e0fef85 JS |
2295 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
2296 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 2297 | return ndlp->nlp_state; |
dea3101e JB |
2298 | } |
2299 | ||
2300 | static uint32_t | |
2e0fef85 JS |
2301 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2302 | void *arg, uint32_t evt) | |
dea3101e | 2303 | { |
2e0fef85 | 2304 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2305 | |
2e0fef85 | 2306 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2307 | return ndlp->nlp_state; |
dea3101e JB |
2308 | } |
2309 | ||
2310 | static uint32_t | |
2e0fef85 JS |
2311 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2312 | void *arg, uint32_t evt) | |
dea3101e | 2313 | { |
2e0fef85 | 2314 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2315 | |
2e0fef85 | 2316 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 2317 | return ndlp->nlp_state; |
dea3101e JB |
2318 | } |
2319 | ||
2320 | static uint32_t | |
2e0fef85 JS |
2321 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2322 | void *arg, uint32_t evt) | |
dea3101e | 2323 | { |
2e0fef85 | 2324 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2325 | |
51ef4c26 | 2326 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 2327 | return ndlp->nlp_state; |
dea3101e JB |
2328 | } |
2329 | ||
2330 | static uint32_t | |
2e0fef85 JS |
2331 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
2332 | struct lpfc_nodelist *ndlp, | |
2333 | void *arg, | |
2334 | uint32_t evt) | |
dea3101e | 2335 | { |
2e0fef85 JS |
2336 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2337 | ||
5024ab17 | 2338 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
2339 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2340 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2341 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
2342 | spin_unlock_irq(shost->host_lock); |
2343 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 2344 | |
c9f8735b | 2345 | return ndlp->nlp_state; |
dea3101e JB |
2346 | } |
2347 | ||
2348 | static uint32_t | |
2e0fef85 JS |
2349 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2350 | void *arg, uint32_t evt) | |
dea3101e | 2351 | { |
2e0fef85 | 2352 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2353 | |
2e0fef85 | 2354 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 2355 | return ndlp->nlp_state; |
dea3101e JB |
2356 | } |
2357 | ||
2358 | static uint32_t | |
2e0fef85 JS |
2359 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2360 | void *arg, uint32_t evt) | |
dea3101e | 2361 | { |
2e0fef85 | 2362 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2363 | |
49507db1 JS |
2364 | if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) |
2365 | return ndlp->nlp_state; | |
2e0fef85 | 2366 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 2367 | return ndlp->nlp_state; |
dea3101e JB |
2368 | } |
2369 | ||
2370 | static uint32_t | |
2e0fef85 JS |
2371 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2372 | void *arg, uint32_t evt) | |
dea3101e | 2373 | { |
2e0fef85 | 2374 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2375 | |
2e0fef85 | 2376 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2377 | return ndlp->nlp_state; |
dea3101e JB |
2378 | } |
2379 | ||
2380 | static uint32_t | |
2e0fef85 JS |
2381 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
2382 | struct lpfc_nodelist *ndlp, | |
2383 | void *arg, uint32_t evt) | |
dea3101e | 2384 | { |
2e0fef85 | 2385 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2386 | |
2e0fef85 | 2387 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 2388 | return ndlp->nlp_state; |
dea3101e JB |
2389 | } |
2390 | ||
2391 | static uint32_t | |
2e0fef85 JS |
2392 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2393 | void *arg, uint32_t evt) | |
dea3101e | 2394 | { |
2e0fef85 JS |
2395 | struct lpfc_hba *phba = vport->phba; |
2396 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
2397 | |
2398 | /* flush the target */ | |
895427bd | 2399 | lpfc_sli_abort_iocb(vport, &phba->sli.sli3_ring[LPFC_FCP_RING], |
51ef4c26 | 2400 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); |
dea3101e JB |
2401 | |
2402 | /* Treat like rcv logo */ | |
2e0fef85 | 2403 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 2404 | return ndlp->nlp_state; |
dea3101e JB |
2405 | } |
2406 | ||
2407 | static uint32_t | |
2e0fef85 JS |
2408 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
2409 | struct lpfc_nodelist *ndlp, | |
2410 | void *arg, | |
2411 | uint32_t evt) | |
dea3101e | 2412 | { |
2e0fef85 JS |
2413 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2414 | ||
5024ab17 | 2415 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
2416 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2417 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2418 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
2419 | spin_unlock_irq(shost->host_lock); |
2420 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 2421 | return ndlp->nlp_state; |
dea3101e JB |
2422 | } |
2423 | ||
2424 | static uint32_t | |
2e0fef85 JS |
2425 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2426 | void *arg, uint32_t evt) | |
dea3101e | 2427 | { |
2e0fef85 JS |
2428 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2429 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
2430 | |
2431 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 2432 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 2433 | return ndlp->nlp_state; |
2e0fef85 | 2434 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 2435 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2436 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 2437 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 2438 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
2439 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
2440 | /* send PLOGI immediately, move to PLOGI issue state */ | |
2441 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2442 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2443 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
2444 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
2445 | } | |
dea3101e | 2446 | } |
c9f8735b | 2447 | return ndlp->nlp_state; |
dea3101e JB |
2448 | } |
2449 | ||
2450 | static uint32_t | |
2e0fef85 JS |
2451 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2452 | void *arg, uint32_t evt) | |
dea3101e | 2453 | { |
2e0fef85 JS |
2454 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2455 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
2456 | struct ls_rjt stat; | |
dea3101e JB |
2457 | |
2458 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2459 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2460 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 2461 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e JB |
2462 | |
2463 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2464 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 2465 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2466 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2467 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2468 | spin_unlock_irq(shost->host_lock); |
2469 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
2470 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2471 | } else { |
5024ab17 | 2472 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2473 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2474 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
2475 | } |
2476 | } | |
c9f8735b | 2477 | return ndlp->nlp_state; |
dea3101e JB |
2478 | } |
2479 | ||
2480 | static uint32_t | |
2e0fef85 JS |
2481 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2482 | void *arg, uint32_t evt) | |
dea3101e | 2483 | { |
2e0fef85 | 2484 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2485 | |
2e0fef85 | 2486 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2487 | return ndlp->nlp_state; |
dea3101e JB |
2488 | } |
2489 | ||
2490 | static uint32_t | |
2e0fef85 JS |
2491 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2492 | void *arg, uint32_t evt) | |
dea3101e | 2493 | { |
2e0fef85 | 2494 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2495 | |
2e0fef85 | 2496 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
2497 | /* |
2498 | * Do not start discovery if discovery is about to start | |
2499 | * or discovery in progress for this node. Starting discovery | |
2500 | * here will affect the counting of discovery threads. | |
2501 | */ | |
2fb9bd8b | 2502 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 2503 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 2504 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 2505 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2506 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2507 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2508 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2509 | } else { |
5024ab17 | 2510 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2511 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2512 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
2513 | } |
2514 | } | |
c9f8735b | 2515 | return ndlp->nlp_state; |
dea3101e JB |
2516 | } |
2517 | ||
2518 | static uint32_t | |
2e0fef85 JS |
2519 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2520 | void *arg, uint32_t evt) | |
dea3101e | 2521 | { |
2e0fef85 JS |
2522 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2523 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2524 | |
2e0fef85 | 2525 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2526 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 2527 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2528 | |
51ef4c26 | 2529 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 2530 | |
2e0fef85 | 2531 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
256ec0d0 JS |
2532 | mod_timer(&ndlp->nlp_delayfunc, |
2533 | jiffies + msecs_to_jiffies(1000 * 1)); | |
2e0fef85 | 2534 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
2535 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2536 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 2537 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 2538 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 2539 | } else { |
2e0fef85 | 2540 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2541 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2542 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2543 | } |
c9f8735b JW |
2544 | return ndlp->nlp_state; |
2545 | } | |
dea3101e | 2546 | |
c9f8735b | 2547 | static uint32_t |
2e0fef85 JS |
2548 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2549 | void *arg, uint32_t evt) | |
c9f8735b JW |
2550 | { |
2551 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2552 | IOCB_t *irsp; |
8b455cf3 | 2553 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
c9f8735b JW |
2554 | |
2555 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2556 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2557 | |
2558 | irsp = &rspiocb->iocb; | |
2559 | if (irsp->ulpStatus) { | |
8b455cf3 | 2560 | spin_lock_irq(shost->host_lock); |
a8adb832 | 2561 | ndlp->nlp_flag |= NLP_DEFER_RM; |
8b455cf3 | 2562 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2563 | return NLP_STE_FREED_NODE; |
2564 | } | |
c9f8735b JW |
2565 | return ndlp->nlp_state; |
2566 | } | |
2567 | ||
2568 | static uint32_t | |
2e0fef85 JS |
2569 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2570 | void *arg, uint32_t evt) | |
c9f8735b JW |
2571 | { |
2572 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2573 | IOCB_t *irsp; |
c9f8735b JW |
2574 | |
2575 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2576 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2577 | |
2578 | irsp = &rspiocb->iocb; | |
2579 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2580 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2581 | return NLP_STE_FREED_NODE; |
2582 | } | |
c9f8735b | 2583 | return ndlp->nlp_state; |
dea3101e JB |
2584 | } |
2585 | ||
2586 | static uint32_t | |
2e0fef85 JS |
2587 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2588 | void *arg, uint32_t evt) | |
dea3101e | 2589 | { |
d7c255b2 | 2590 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
086a345f JS |
2591 | |
2592 | /* For the fabric port just clear the fc flags. */ | |
d7c255b2 JS |
2593 | if (ndlp->nlp_DID == Fabric_DID) { |
2594 | spin_lock_irq(shost->host_lock); | |
2595 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2596 | spin_unlock_irq(shost->host_lock); | |
2597 | } | |
2e0fef85 | 2598 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2599 | return ndlp->nlp_state; |
2600 | } | |
2601 | ||
2602 | static uint32_t | |
2e0fef85 JS |
2603 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2604 | void *arg, uint32_t evt) | |
c9f8735b JW |
2605 | { |
2606 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2607 | IOCB_t *irsp; |
c9f8735b JW |
2608 | |
2609 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2610 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2611 | |
2612 | irsp = &rspiocb->iocb; | |
2613 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2614 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2615 | return NLP_STE_FREED_NODE; |
2616 | } | |
c9f8735b | 2617 | return ndlp->nlp_state; |
dea3101e JB |
2618 | } |
2619 | ||
2620 | static uint32_t | |
2e0fef85 JS |
2621 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
2622 | struct lpfc_nodelist *ndlp, | |
2623 | void *arg, uint32_t evt) | |
dea3101e | 2624 | { |
2e0fef85 | 2625 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 2626 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2627 | |
04c68496 | 2628 | if (!mb->mbxStatus) { |
6d368e53 JS |
2629 | /* SLI4 ports have preallocated logical rpis. */ |
2630 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
2631 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 2632 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
4b7789b7 JS |
2633 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
2634 | lpfc_unreg_rpi(vport, ndlp); | |
2635 | } | |
04c68496 | 2636 | } else { |
a0f9b48d | 2637 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 2638 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2639 | return NLP_STE_FREED_NODE; |
2640 | } | |
2641 | } | |
c9f8735b | 2642 | return ndlp->nlp_state; |
dea3101e JB |
2643 | } |
2644 | ||
2645 | static uint32_t | |
2e0fef85 JS |
2646 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2647 | void *arg, uint32_t evt) | |
dea3101e | 2648 | { |
2e0fef85 JS |
2649 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2650 | ||
a0f9b48d | 2651 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 2652 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2653 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 2654 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2655 | return ndlp->nlp_state; |
2656 | } | |
2e0fef85 | 2657 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 2658 | return NLP_STE_FREED_NODE; |
dea3101e JB |
2659 | } |
2660 | ||
2661 | static uint32_t | |
2e0fef85 JS |
2662 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2663 | void *arg, uint32_t evt) | |
dea3101e | 2664 | { |
2e0fef85 JS |
2665 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2666 | ||
92d7f7b0 JS |
2667 | /* Don't do anything that will mess up processing of the |
2668 | * previous RSCN. | |
2669 | */ | |
2670 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
2671 | return ndlp->nlp_state; | |
2672 | ||
eaf15d5b | 2673 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2674 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2675 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 2676 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2677 | return ndlp->nlp_state; |
dea3101e JB |
2678 | } |
2679 | ||
2680 | ||
2681 | /* This next section defines the NPort Discovery State Machine */ | |
2682 | ||
2683 | /* There are 4 different double linked lists nodelist entries can reside on. | |
2684 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
2685 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
2686 | * or ADISC on. These lists will keep track of what nodes will be effected | |
2687 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
2688 | * The unmapped_list will contain all nodes that we have successfully logged | |
2689 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
2690 | * that are mapped FCP targets. | |
2691 | */ | |
2692 | /* | |
2693 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
2694 | * that we have saved binding information on. This information is used when | |
2695 | * nodes transition from the unmapped to the mapped list. | |
2696 | */ | |
2697 | /* For UNUSED_NODE state, the node has just been allocated . | |
2698 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
2699 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
2700 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
2701 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
2702 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
2703 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
2704 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
2705 | * node, the node is taken off the unmapped list. The binding list is checked | |
2706 | * for a valid binding, or a binding is automatically assigned. If binding | |
2707 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
2708 | * binding assignment is successful, the associated binding list entry (if | |
2709 | * any) is removed, and the node is placed on the mapped list. | |
2710 | */ | |
2711 | /* | |
2712 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 2713 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e JB |
2714 | * expire, all effected nodes will receive a DEVICE_RM event. |
2715 | */ | |
2716 | /* | |
2717 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2718 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2719 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2720 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2721 | * we will first process the ADISC list. 32 entries are processed initially and | |
2722 | * ADISC is initited for each one. Completions / Events for each node are | |
2723 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2724 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2725 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2726 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2727 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2728 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2729 | * Completions / Events for each node are funnelled thru the state machine. As | |
2730 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2731 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2732 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2733 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2734 | * unmapped lists. | |
2735 | */ | |
2736 | ||
2737 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2738 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e JB |
2739 | /* Action routine Event Current State */ |
2740 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2741 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2742 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2743 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2744 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2745 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2746 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2747 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2748 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2749 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2750 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2751 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
df9e1b59 | 2752 | lpfc_device_recov_unused_node, /* DEVICE_RECOVERY */ |
dea3101e JB |
2753 | |
2754 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2755 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2756 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e JB |
2757 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2758 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2759 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2760 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2761 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2762 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2763 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2764 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e JB |
2765 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2766 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2767 | ||
2768 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2769 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2770 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2771 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2772 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2773 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2774 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2775 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2776 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2777 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2778 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2779 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2780 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2781 | ||
2782 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2783 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2784 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2785 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2786 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2787 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2788 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2789 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2790 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2791 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2792 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2793 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2794 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2795 | ||
2796 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2797 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2798 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2799 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2800 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2801 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2802 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2803 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2804 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2805 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2806 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2807 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2808 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2809 | ||
086a345f JS |
2810 | lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */ |
2811 | lpfc_rcv_prli_logo_issue, /* RCV_PRLI */ | |
2812 | lpfc_rcv_logo_logo_issue, /* RCV_LOGO */ | |
2813 | lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */ | |
2814 | lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */ | |
2815 | lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */ | |
2816 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ | |
2817 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2818 | lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */ | |
2819 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2820 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2821 | lpfc_device_rm_logo_issue, /* DEVICE_RM */ | |
2822 | lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */ | |
2823 | ||
dea3101e JB |
2824 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ |
2825 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2826 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2827 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2828 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2829 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2830 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2831 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2832 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2833 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2834 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2835 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2836 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2837 | ||
2838 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2839 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2840 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2841 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2842 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2843 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2844 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2845 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2846 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2847 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2848 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2849 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2850 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2851 | ||
2852 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2853 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2854 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2855 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2856 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2857 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2858 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2859 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2860 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2861 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e JB |
2862 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2863 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2864 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2865 | }; | |
2866 | ||
2867 | int | |
2e0fef85 JS |
2868 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2869 | void *arg, uint32_t evt) | |
dea3101e JB |
2870 | { |
2871 | uint32_t cur_state, rc; | |
2e0fef85 | 2872 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2873 | uint32_t); |
e47c9093 JS |
2874 | uint32_t got_ndlp = 0; |
2875 | ||
2876 | if (lpfc_nlp_get(ndlp)) | |
2877 | got_ndlp = 1; | |
dea3101e | 2878 | |
dea3101e JB |
2879 | cur_state = ndlp->nlp_state; |
2880 | ||
2881 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2882 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2883 | "0211 DSM in event x%x on NPort x%x in " | |
d9ede55c JS |
2884 | "state %d Data: x%x x%x\n", |
2885 | evt, ndlp->nlp_DID, cur_state, | |
2886 | ndlp->nlp_flag, ndlp->nlp_fc4_type); | |
dea3101e | 2887 | |
858c9f6c JS |
2888 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2889 | "DSM in: evt:%d ste:%d did:x%x", | |
2890 | evt, cur_state, ndlp->nlp_DID); | |
2891 | ||
dea3101e | 2892 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2893 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e JB |
2894 | |
2895 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2896 | if (got_ndlp) { |
2897 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2898 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2899 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2900 | |
e47c9093 JS |
2901 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2902 | "DSM out: ste:%d did:x%x flg:x%x", | |
2903 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2904 | /* Decrement the ndlp reference count held for this function */ | |
2905 | lpfc_nlp_put(ndlp); | |
2906 | } else { | |
2907 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2908 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2909 | |
e47c9093 JS |
2910 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2911 | "DSM out: ste:%d did:x%x flg:x%x", | |
2912 | rc, 0, 0); | |
2913 | } | |
dea3101e | 2914 | |
c9f8735b | 2915 | return rc; |
dea3101e | 2916 | } |