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92d7f7b0 | 1 | /******************************************************************* |
dea3101e | 2 | * This file is part of the Emulex Linux Device Driver for * |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e | 27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
92d7f7b0 | 38 | #include "lpfc_vport.h" |
858c9f6c | 39 | #include "lpfc_debugfs.h" |
dea3101e | 40 | |
41 | ||
42 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
43 | static int | |
2e0fef85 JS |
44 | lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
45 | struct lpfc_name *nn, struct lpfc_name *pn) | |
dea3101e | 46 | { |
47 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node | |
48 | * table entry for that node. | |
49 | */ | |
2e0fef85 | 50 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 51 | return 0; |
dea3101e | 52 | |
2e0fef85 | 53 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 54 | return 0; |
dea3101e | 55 | |
56 | /* we match, return success */ | |
c9f8735b | 57 | return 1; |
dea3101e | 58 | } |
59 | ||
dea3101e | 60 | int |
2e0fef85 JS |
61 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
62 | struct serv_parm * sp, uint32_t class) | |
dea3101e | 63 | { |
2e0fef85 | 64 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
65 | uint16_t hsp_value, ssp_value = 0; |
66 | ||
67 | /* | |
68 | * The receive data field size and buffer-to-buffer receive data field | |
69 | * size entries are 16 bits but are represented as two 8-bit fields in | |
70 | * the driver data structure to account for rsvd bits and other control | |
71 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
72 | * correcting the byte values. | |
73 | */ | |
dea3101e | 74 | if (sp->cls1.classValid) { |
2fb70f79 JSEC |
75 | hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | |
76 | hsp->cls1.rcvDataSizeLsb; | |
77 | ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | | |
78 | sp->cls1.rcvDataSizeLsb; | |
92d7f7b0 JS |
79 | if (!ssp_value) |
80 | goto bad_service_param; | |
2fb70f79 | 81 | if (ssp_value > hsp_value) { |
dea3101e | 82 | sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; |
2fb70f79 JSEC |
83 | sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; |
84 | } | |
dea3101e | 85 | } else if (class == CLASS1) { |
92d7f7b0 | 86 | goto bad_service_param; |
dea3101e | 87 | } |
88 | ||
89 | if (sp->cls2.classValid) { | |
2fb70f79 JSEC |
90 | hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | |
91 | hsp->cls2.rcvDataSizeLsb; | |
92 | ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | | |
93 | sp->cls2.rcvDataSizeLsb; | |
92d7f7b0 JS |
94 | if (!ssp_value) |
95 | goto bad_service_param; | |
2fb70f79 | 96 | if (ssp_value > hsp_value) { |
dea3101e | 97 | sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; |
2fb70f79 JSEC |
98 | sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; |
99 | } | |
dea3101e | 100 | } else if (class == CLASS2) { |
92d7f7b0 | 101 | goto bad_service_param; |
dea3101e | 102 | } |
103 | ||
104 | if (sp->cls3.classValid) { | |
2fb70f79 JSEC |
105 | hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | |
106 | hsp->cls3.rcvDataSizeLsb; | |
107 | ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | | |
108 | sp->cls3.rcvDataSizeLsb; | |
92d7f7b0 JS |
109 | if (!ssp_value) |
110 | goto bad_service_param; | |
2fb70f79 | 111 | if (ssp_value > hsp_value) { |
dea3101e | 112 | sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; |
2fb70f79 JSEC |
113 | sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; |
114 | } | |
dea3101e | 115 | } else if (class == CLASS3) { |
92d7f7b0 | 116 | goto bad_service_param; |
dea3101e | 117 | } |
118 | ||
2fb70f79 JSEC |
119 | /* |
120 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
121 | * These bits contain the Buffer-to-Buffer State Change Number | |
122 | * from the target and need to be passed to the FW. | |
123 | */ | |
124 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
125 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
126 | if (ssp_value > hsp_value) { | |
dea3101e | 127 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
128 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
129 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
130 | } | |
dea3101e | 131 | |
dea3101e | 132 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
133 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 134 | return 1; |
92d7f7b0 | 135 | bad_service_param: |
e8b62011 JS |
136 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
137 | "0207 Device %x " | |
138 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
139 | "invalid service parameters. Ignoring device.\n", | |
140 | ndlp->nlp_DID, | |
141 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
142 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
143 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
144 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
92d7f7b0 | 145 | return 0; |
dea3101e | 146 | } |
147 | ||
148 | static void * | |
2e0fef85 | 149 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 150 | struct lpfc_iocbq *rspiocb) |
dea3101e | 151 | { |
152 | struct lpfc_dmabuf *pcmd, *prsp; | |
153 | uint32_t *lp; | |
154 | void *ptr = NULL; | |
155 | IOCB_t *irsp; | |
156 | ||
157 | irsp = &rspiocb->iocb; | |
158 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
159 | ||
160 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
161 | * freeing associated memory till after ABTS completes. | |
162 | */ | |
163 | if (pcmd) { | |
164 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
165 | list); | |
166 | if (prsp) { | |
167 | lp = (uint32_t *) prsp->virt; | |
168 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
169 | } | |
2fe165b6 | 170 | } else { |
dea3101e | 171 | /* Force ulpStatus error since we are returning NULL ptr */ |
172 | if (!(irsp->ulpStatus)) { | |
173 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
174 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
175 | } | |
176 | ptr = NULL; | |
177 | } | |
c9f8735b | 178 | return ptr; |
dea3101e | 179 | } |
180 | ||
181 | ||
182 | /* | |
183 | * Free resources / clean up outstanding I/Os | |
184 | * associated with a LPFC_NODELIST entry. This | |
185 | * routine effectively results in a "software abort". | |
186 | */ | |
187 | int | |
2e0fef85 | 188 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 189 | { |
2534ba75 | 190 | LIST_HEAD(completions); |
2e0fef85 JS |
191 | struct lpfc_sli *psli = &phba->sli; |
192 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 193 | struct lpfc_iocbq *iocb, *next_iocb; |
2534ba75 | 194 | IOCB_t *cmd; |
dea3101e | 195 | |
196 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 JS |
197 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
198 | "0205 Abort outstanding I/O on NPort x%x " | |
199 | "Data: x%x x%x x%x\n", | |
200 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
201 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
202 | |
203 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 204 | |
dea3101e | 205 | /* First check the txq */ |
2e0fef85 | 206 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 207 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 208 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 209 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 210 | /* It matches, so deque and call compl with anp error */ |
2534ba75 JS |
211 | list_move_tail(&iocb->list, &completions); |
212 | pring->txq_cnt--; | |
dea3101e | 213 | } |
2534ba75 | 214 | } |
dea3101e | 215 | |
dea3101e | 216 | /* Next check the txcmplq */ |
07951076 | 217 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
858c9f6c | 218 | /* Check to see if iocb matches the nport we are looking for */ |
92d7f7b0 | 219 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
07951076 | 220 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
92d7f7b0 | 221 | } |
07951076 | 222 | } |
2e0fef85 | 223 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 224 | |
2534ba75 JS |
225 | while (!list_empty(&completions)) { |
226 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
227 | cmd = &iocb->iocb; | |
92d7f7b0 | 228 | list_del_init(&iocb->list); |
2534ba75 | 229 | |
2e0fef85 JS |
230 | if (!iocb->iocb_cmpl) |
231 | lpfc_sli_release_iocbq(phba, iocb); | |
232 | else { | |
2534ba75 JS |
233 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
234 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
235 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 236 | } |
2534ba75 JS |
237 | } |
238 | ||
dea3101e | 239 | /* If we are delaying issuing an ELS command, cancel it */ |
fdcebe28 | 240 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2e0fef85 | 241 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 242 | return 0; |
dea3101e | 243 | } |
244 | ||
245 | static int | |
2e0fef85 | 246 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 247 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 248 | { |
2e0fef85 JS |
249 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
250 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 251 | struct lpfc_dmabuf *pcmd; |
252 | uint32_t *lp; | |
253 | IOCB_t *icmd; | |
254 | struct serv_parm *sp; | |
255 | LPFC_MBOXQ_t *mbox; | |
256 | struct ls_rjt stat; | |
257 | int rc; | |
258 | ||
259 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2e0fef85 | 260 | if (vport->port_state <= LPFC_FLOGI) { |
dea3101e | 261 | /* Before responding to PLOGI, check for pt2pt mode. |
262 | * If we are pt2pt, with an outstanding FLOGI, abort | |
263 | * the FLOGI and resend it first. | |
264 | */ | |
2e0fef85 | 265 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 266 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 267 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e | 268 | /* If the other side is supposed to initiate |
269 | * the PLOGI anyway, just ACC it now and | |
270 | * move on with discovery. | |
271 | */ | |
272 | phba->fc_edtov = FF_DEF_EDTOV; | |
273 | phba->fc_ratov = FF_DEF_RATOV; | |
274 | /* Start discovery - this should just do | |
275 | CLEAR_LA */ | |
2e0fef85 | 276 | lpfc_disc_start(vport); |
ed957684 | 277 | } else |
2e0fef85 | 278 | lpfc_initial_flogi(vport); |
2fe165b6 | 279 | } else { |
dea3101e | 280 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
281 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 282 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 283 | ndlp, NULL); |
dea3101e | 284 | return 0; |
285 | } | |
286 | } | |
287 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
288 | lp = (uint32_t *) pcmd->virt; | |
289 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
290 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
291 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
292 | "0140 PLOGI Reject: invalid nname\n"); | |
293 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
294 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
295 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
296 | NULL); | |
297 | return 0; | |
298 | } | |
299 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
300 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
301 | "0141 PLOGI Reject: invalid pname\n"); | |
302 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
303 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
304 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
305 | NULL); | |
306 | return 0; | |
307 | } | |
2e0fef85 | 308 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) { |
dea3101e | 309 | /* Reject this request because invalid parameters */ |
310 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
311 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
312 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
313 | NULL); | |
c9f8735b | 314 | return 0; |
dea3101e | 315 | } |
316 | icmd = &cmdiocb->iocb; | |
317 | ||
318 | /* PLOGI chkparm OK */ | |
e8b62011 JS |
319 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
320 | "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
321 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
322 | ndlp->nlp_rpi); | |
dea3101e | 323 | |
3de2a653 | 324 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 325 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 326 | else |
dea3101e | 327 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 328 | |
dea3101e | 329 | ndlp->nlp_class_sup = 0; |
330 | if (sp->cls1.classValid) | |
331 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
332 | if (sp->cls2.classValid) | |
333 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
334 | if (sp->cls3.classValid) | |
335 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
336 | if (sp->cls4.classValid) | |
337 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
338 | ndlp->nlp_maxframe = | |
339 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
340 | ||
341 | /* no need to reg_login if we are already in one of these states */ | |
2fe165b6 | 342 | switch (ndlp->nlp_state) { |
dea3101e | 343 | case NLP_STE_NPR_NODE: |
344 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
345 | break; | |
346 | case NLP_STE_REG_LOGIN_ISSUE: | |
347 | case NLP_STE_PRLI_ISSUE: | |
348 | case NLP_STE_UNMAPPED_NODE: | |
349 | case NLP_STE_MAPPED_NODE: | |
51ef4c26 | 350 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
c9f8735b | 351 | return 1; |
dea3101e | 352 | } |
353 | ||
92d7f7b0 JS |
354 | if ((vport->fc_flag & FC_PT2PT) && |
355 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 356 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 357 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e | 358 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
359 | if (mbox == NULL) | |
360 | goto out; | |
361 | lpfc_config_link(phba, mbox); | |
362 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 363 | mbox->vport = vport; |
0b727fea | 364 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 365 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 366 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 367 | goto out; |
368 | } | |
369 | ||
2e0fef85 | 370 | lpfc_can_disctmo(vport); |
dea3101e | 371 | } |
372 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 373 | if (!mbox) |
dea3101e | 374 | goto out; |
375 | ||
92d7f7b0 JS |
376 | rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID, |
377 | (uint8_t *) sp, mbox, 0); | |
2e0fef85 JS |
378 | if (rc) { |
379 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 380 | goto out; |
381 | } | |
382 | ||
383 | /* ACC PLOGI rsp command needs to execute first, | |
384 | * queue this mbox command to be processed later. | |
385 | */ | |
386 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
387 | /* |
388 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
389 | * command issued in lpfc_cmpl_els_acc(). | |
390 | */ | |
2e0fef85 JS |
391 | mbox->vport = vport; |
392 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 393 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 394 | spin_unlock_irq(shost->host_lock); |
dea3101e | 395 | |
33ccf8d1 JS |
396 | /* |
397 | * If there is an outstanding PLOGI issued, abort it before | |
398 | * sending ACC rsp for received PLOGI. If pending plogi | |
399 | * is not canceled here, the plogi will be rejected by | |
400 | * remote port and will be retried. On a configuration with | |
401 | * single discovery thread, this will cause a huge delay in | |
402 | * discovery. Also this will cause multiple state machines | |
403 | * running in parallel for this node. | |
404 | */ | |
405 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
406 | /* software abort outstanding PLOGI */ | |
07951076 | 407 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
408 | } |
409 | ||
858c9f6c | 410 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 411 | vport->cfg_restrict_login)) { |
858c9f6c JS |
412 | |
413 | /* In order to preserve RPIs, we want to cleanup | |
414 | * the default RPI the firmware created to rcv | |
415 | * this ELS request. The only way to do this is | |
416 | * to register, then unregister the RPI. | |
417 | */ | |
418 | spin_lock_irq(shost->host_lock); | |
419 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
420 | spin_unlock_irq(shost->host_lock); | |
421 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
422 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
423 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
424 | ndlp, mbox); | |
425 | return 1; | |
426 | } | |
87af33fe JS |
427 | |
428 | /* If the remote NPort logs into us, before we can initiate | |
429 | * discovery to them, cleanup the NPort from discovery accordingly. | |
430 | */ | |
431 | if (ndlp->nlp_state == NLP_STE_NPR_NODE) { | |
432 | spin_lock_irq(shost->host_lock); | |
433 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
434 | spin_unlock_irq(shost->host_lock); | |
435 | del_timer_sync(&ndlp->nlp_delayfunc); | |
436 | ndlp->nlp_last_elscmd = 0; | |
437 | ||
438 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) | |
439 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
440 | ||
441 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
442 | spin_lock_irq(shost->host_lock); | |
443 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
444 | spin_unlock_irq(shost->host_lock); | |
0ff10d46 JS |
445 | |
446 | if ((ndlp->nlp_flag & NLP_ADISC_SND) && | |
447 | (vport->num_disc_nodes)) { | |
448 | /* Check to see if there are more | |
449 | * ADISCs to be sent | |
450 | */ | |
451 | lpfc_more_adisc(vport); | |
452 | ||
453 | if ((vport->num_disc_nodes == 0) && | |
454 | (vport->fc_npr_cnt)) | |
455 | lpfc_els_disc_plogi(vport); | |
456 | ||
457 | if (vport->num_disc_nodes == 0) { | |
458 | spin_lock_irq(shost->host_lock); | |
459 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
460 | spin_unlock_irq(shost->host_lock); | |
461 | lpfc_can_disctmo(vport); | |
462 | lpfc_end_rscn(vport); | |
463 | } | |
464 | } | |
465 | else if (vport->num_disc_nodes) { | |
87af33fe JS |
466 | /* Check to see if there are more |
467 | * PLOGIs to be sent | |
468 | */ | |
469 | lpfc_more_plogi(vport); | |
470 | ||
471 | if (vport->num_disc_nodes == 0) { | |
472 | spin_lock_irq(shost->host_lock); | |
473 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
474 | spin_unlock_irq(shost->host_lock); | |
475 | lpfc_can_disctmo(vport); | |
476 | lpfc_end_rscn(vport); | |
477 | } | |
478 | } | |
479 | } | |
480 | } | |
481 | ||
51ef4c26 | 482 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
c9f8735b | 483 | return 1; |
dea3101e | 484 | |
485 | out: | |
486 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
487 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 488 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 489 | return 0; |
dea3101e | 490 | } |
491 | ||
492 | static int | |
2e0fef85 | 493 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 494 | struct lpfc_iocbq *cmdiocb) |
495 | { | |
2e0fef85 | 496 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 497 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
498 | struct serv_parm *sp; |
499 | struct lpfc_name *pnn, *ppn; | |
dea3101e | 500 | struct ls_rjt stat; |
501 | ADISC *ap; | |
502 | IOCB_t *icmd; | |
503 | uint32_t *lp; | |
504 | uint32_t cmd; | |
505 | ||
506 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
507 | lp = (uint32_t *) pcmd->virt; | |
508 | ||
509 | cmd = *lp++; | |
510 | if (cmd == ELS_CMD_ADISC) { | |
511 | ap = (ADISC *) lp; | |
512 | pnn = (struct lpfc_name *) & ap->nodeName; | |
513 | ppn = (struct lpfc_name *) & ap->portName; | |
514 | } else { | |
515 | sp = (struct serv_parm *) lp; | |
516 | pnn = (struct lpfc_name *) & sp->nodeName; | |
517 | ppn = (struct lpfc_name *) & sp->portName; | |
518 | } | |
519 | ||
520 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 521 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
dea3101e | 522 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 523 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 524 | } else { |
2e0fef85 | 525 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, |
51ef4c26 | 526 | NULL); |
dea3101e | 527 | } |
c9f8735b | 528 | return 1; |
dea3101e | 529 | } |
530 | /* Reject this request because invalid parameters */ | |
531 | stat.un.b.lsRjtRsvd0 = 0; | |
532 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
533 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
534 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 535 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 536 | |
dea3101e | 537 | /* 1 sec timeout */ |
538 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
539 | ||
2e0fef85 | 540 | spin_lock_irq(shost->host_lock); |
dea3101e | 541 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 542 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
543 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
544 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 545 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 546 | return 0; |
dea3101e | 547 | } |
548 | ||
549 | static int | |
2e0fef85 JS |
550 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
551 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 552 | { |
2e0fef85 JS |
553 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
554 | ||
555 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e | 556 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
557 | * PLOGIs during LOGO storms from a device. | |
558 | */ | |
2e0fef85 | 559 | spin_lock_irq(shost->host_lock); |
dea3101e | 560 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 561 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 562 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 563 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 564 | else |
51ef4c26 | 565 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 566 | |
c9f8735b | 567 | if (!(ndlp->nlp_type & NLP_FABRIC) || |
92d7f7b0 | 568 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { |
dea3101e | 569 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 570 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 571 | spin_lock_irq(shost->host_lock); |
dea3101e | 572 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 573 | spin_unlock_irq(shost->host_lock); |
dea3101e | 574 | |
5024ab17 | 575 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 576 | } |
87af33fe JS |
577 | ndlp->nlp_prev_state = ndlp->nlp_state; |
578 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 579 | |
2e0fef85 | 580 | spin_lock_irq(shost->host_lock); |
dea3101e | 581 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 582 | spin_unlock_irq(shost->host_lock); |
dea3101e | 583 | /* The driver has to wait until the ACC completes before it continues |
584 | * processing the LOGO. The action will resume in | |
585 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
586 | * unreg_login, the driver waits so the ACC does not get aborted. | |
587 | */ | |
c9f8735b | 588 | return 0; |
dea3101e | 589 | } |
590 | ||
591 | static void | |
2e0fef85 JS |
592 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
593 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 594 | { |
595 | struct lpfc_dmabuf *pcmd; | |
596 | uint32_t *lp; | |
597 | PRLI *npr; | |
598 | struct fc_rport *rport = ndlp->rport; | |
599 | u32 roles; | |
600 | ||
601 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
602 | lp = (uint32_t *) pcmd->virt; | |
603 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
604 | ||
605 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
606 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 607 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e | 608 | if (npr->initiatorFunc) |
609 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
610 | if (npr->targetFunc) | |
611 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
612 | if (npr->Retry) | |
613 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
614 | } | |
615 | if (rport) { | |
616 | /* We need to update the rport role values */ | |
617 | roles = FC_RPORT_ROLE_UNKNOWN; | |
618 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
619 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
620 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
621 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
622 | |
623 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
624 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
625 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
626 | ||
dea3101e | 627 | fc_remote_port_rolechg(rport, roles); |
628 | } | |
629 | } | |
630 | ||
631 | static uint32_t | |
2e0fef85 | 632 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 633 | { |
2e0fef85 | 634 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 635 | |
51ef4c26 JS |
636 | if (!ndlp->nlp_rpi) { |
637 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
638 | return 0; | |
639 | } | |
640 | ||
dea3101e | 641 | /* Check config parameter use-adisc or FCP-2 */ |
3de2a653 | 642 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || |
92d7f7b0 JS |
643 | ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { |
644 | spin_lock_irq(shost->host_lock); | |
645 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
646 | spin_unlock_irq(shost->host_lock); | |
647 | return 1; | |
648 | } | |
649 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
650 | lpfc_unreg_rpi(vport, ndlp); | |
651 | return 0; | |
dea3101e | 652 | } |
653 | ||
654 | static uint32_t | |
2e0fef85 JS |
655 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
656 | void *arg, uint32_t evt) | |
dea3101e | 657 | { |
e8b62011 JS |
658 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
659 | "0253 Illegal State Transition: node x%x " | |
660 | "event x%x, state x%x Data: x%x x%x\n", | |
661 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
662 | ndlp->nlp_flag); | |
c9f8735b | 663 | return ndlp->nlp_state; |
dea3101e | 664 | } |
665 | ||
87af33fe JS |
666 | static uint32_t |
667 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
668 | void *arg, uint32_t evt) | |
669 | { | |
670 | /* This transition is only legal if we previously | |
671 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
672 | * working on the same NPortID, do nothing for this thread | |
673 | * to stop it. | |
674 | */ | |
675 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
676 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
677 | "0253 Illegal State Transition: node x%x " | |
678 | "event x%x, state x%x Data: x%x x%x\n", | |
679 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
680 | ndlp->nlp_flag); | |
681 | } | |
682 | return ndlp->nlp_state; | |
683 | } | |
684 | ||
dea3101e | 685 | /* Start of Discovery State Machine routines */ |
686 | ||
687 | static uint32_t | |
2e0fef85 JS |
688 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
689 | void *arg, uint32_t evt) | |
dea3101e | 690 | { |
691 | struct lpfc_iocbq *cmdiocb; | |
692 | ||
693 | cmdiocb = (struct lpfc_iocbq *) arg; | |
694 | ||
2e0fef85 | 695 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 696 | return ndlp->nlp_state; |
dea3101e | 697 | } |
c9f8735b | 698 | return NLP_STE_FREED_NODE; |
dea3101e | 699 | } |
700 | ||
701 | static uint32_t | |
2e0fef85 JS |
702 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
703 | void *arg, uint32_t evt) | |
dea3101e | 704 | { |
2e0fef85 | 705 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 706 | return ndlp->nlp_state; |
dea3101e | 707 | } |
708 | ||
709 | static uint32_t | |
2e0fef85 JS |
710 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
711 | void *arg, uint32_t evt) | |
dea3101e | 712 | { |
2e0fef85 JS |
713 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
714 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 715 | |
2e0fef85 | 716 | spin_lock_irq(shost->host_lock); |
dea3101e | 717 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 718 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 719 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 720 | |
c9f8735b | 721 | return ndlp->nlp_state; |
dea3101e | 722 | } |
723 | ||
724 | static uint32_t | |
2e0fef85 JS |
725 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
726 | void *arg, uint32_t evt) | |
dea3101e | 727 | { |
c9f8735b | 728 | return NLP_STE_FREED_NODE; |
dea3101e | 729 | } |
730 | ||
731 | static uint32_t | |
2e0fef85 JS |
732 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
733 | void *arg, uint32_t evt) | |
dea3101e | 734 | { |
c9f8735b | 735 | return NLP_STE_FREED_NODE; |
dea3101e | 736 | } |
737 | ||
738 | static uint32_t | |
2e0fef85 | 739 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 740 | void *arg, uint32_t evt) |
741 | { | |
2e0fef85 | 742 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 743 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
744 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
745 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
746 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e | 747 | struct ls_rjt stat; |
748 | int port_cmp; | |
749 | ||
dea3101e | 750 | memset(&stat, 0, sizeof (struct ls_rjt)); |
751 | ||
752 | /* For a PLOGI, we only accept if our portname is less | |
753 | * than the remote portname. | |
754 | */ | |
755 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 756 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 757 | sizeof(struct lpfc_name)); |
dea3101e | 758 | |
759 | if (port_cmp >= 0) { | |
760 | /* Reject this request because the remote node will accept | |
761 | ours */ | |
762 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
763 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
764 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
765 | NULL); | |
2fe165b6 | 766 | } else { |
2e0fef85 JS |
767 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
768 | } /* If our portname was less */ | |
dea3101e | 769 | |
c9f8735b JW |
770 | return ndlp->nlp_state; |
771 | } | |
772 | ||
92d7f7b0 JS |
773 | static uint32_t |
774 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
775 | void *arg, uint32_t evt) | |
776 | { | |
777 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
778 | struct ls_rjt stat; | |
779 | ||
780 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
781 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
782 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 783 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
784 | return ndlp->nlp_state; |
785 | } | |
786 | ||
c9f8735b | 787 | static uint32_t |
2e0fef85 JS |
788 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
789 | void *arg, uint32_t evt) | |
c9f8735b | 790 | { |
2e0fef85 | 791 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 792 | |
92d7f7b0 | 793 | /* software abort outstanding PLOGI */ |
2e0fef85 | 794 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 795 | |
2e0fef85 | 796 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 797 | return ndlp->nlp_state; |
dea3101e | 798 | } |
799 | ||
800 | static uint32_t | |
2e0fef85 JS |
801 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
802 | void *arg, uint32_t evt) | |
dea3101e | 803 | { |
2e0fef85 JS |
804 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
805 | struct lpfc_hba *phba = vport->phba; | |
806 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 807 | |
808 | /* software abort outstanding PLOGI */ | |
07951076 | 809 | lpfc_els_abort(phba, ndlp); |
dea3101e | 810 | |
811 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 812 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 813 | } else { |
2e0fef85 | 814 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e | 815 | } |
816 | ||
2e0fef85 | 817 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 818 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 819 | spin_lock_irq(shost->host_lock); |
5024ab17 | 820 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 821 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
822 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
823 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 824 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 825 | |
c9f8735b | 826 | return ndlp->nlp_state; |
dea3101e | 827 | } |
828 | ||
829 | static uint32_t | |
2e0fef85 JS |
830 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
831 | struct lpfc_nodelist *ndlp, | |
832 | void *arg, | |
dea3101e | 833 | uint32_t evt) |
834 | { | |
2e0fef85 | 835 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 836 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 837 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 838 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 839 | uint32_t *lp; |
840 | IOCB_t *irsp; | |
841 | struct serv_parm *sp; | |
842 | LPFC_MBOXQ_t *mbox; | |
843 | ||
844 | cmdiocb = (struct lpfc_iocbq *) arg; | |
845 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
846 | ||
847 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 848 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 849 | return ndlp->nlp_state; |
dea3101e | 850 | } |
851 | ||
852 | irsp = &rspiocb->iocb; | |
853 | ||
854 | if (irsp->ulpStatus) | |
855 | goto out; | |
856 | ||
857 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
858 | ||
2e0fef85 | 859 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 860 | |
2e0fef85 | 861 | lp = (uint32_t *) prsp->virt; |
dea3101e | 862 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
a8adb832 JS |
863 | if (wwn_to_u64(sp->portName.u.wwn) == 0 || |
864 | wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
865 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
866 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
867 | goto out; | |
868 | } | |
2e0fef85 | 869 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3)) |
dea3101e | 870 | goto out; |
dea3101e | 871 | /* PLOGI chkparm OK */ |
e8b62011 JS |
872 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
873 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
874 | ndlp->nlp_DID, ndlp->nlp_state, | |
875 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 876 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 877 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 878 | else |
dea3101e | 879 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 880 | |
dea3101e | 881 | ndlp->nlp_class_sup = 0; |
882 | if (sp->cls1.classValid) | |
883 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
884 | if (sp->cls2.classValid) | |
885 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
886 | if (sp->cls3.classValid) | |
887 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
888 | if (sp->cls4.classValid) | |
889 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
890 | ndlp->nlp_maxframe = | |
2e0fef85 | 891 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 892 | |
2e0fef85 | 893 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 894 | if (!mbox) { |
e8b62011 JS |
895 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
896 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 897 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
898 | ndlp->nlp_DID, ndlp->nlp_state, |
899 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 900 | goto out; |
92d7f7b0 | 901 | } |
dea3101e | 902 | |
2e0fef85 JS |
903 | lpfc_unreg_rpi(vport, ndlp); |
904 | ||
92d7f7b0 JS |
905 | if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
906 | (uint8_t *) sp, mbox, 0) == 0) { | |
2fe165b6 | 907 | switch (ndlp->nlp_DID) { |
dea3101e | 908 | case NameServer_DID: |
de0c5b32 | 909 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e | 910 | break; |
911 | case FDMI_DID: | |
de0c5b32 | 912 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e | 913 | break; |
914 | default: | |
de0c5b32 | 915 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 916 | } |
329f9bc7 | 917 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 918 | mbox->vport = vport; |
0b727fea | 919 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 920 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
921 | lpfc_nlp_set_state(vport, ndlp, |
922 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 923 | return ndlp->nlp_state; |
dea3101e | 924 | } |
329f9bc7 | 925 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 926 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
927 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
928 | kfree(mp); | |
dea3101e | 929 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 930 | |
e8b62011 JS |
931 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
932 | "0134 PLOGI: cannot issue reg_login " | |
933 | "Data: x%x x%x x%x x%x\n", | |
934 | ndlp->nlp_DID, ndlp->nlp_state, | |
935 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 936 | } else { |
937 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 938 | |
e8b62011 JS |
939 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
940 | "0135 PLOGI: cannot format reg_login " | |
941 | "Data: x%x x%x x%x x%x\n", | |
942 | ndlp->nlp_DID, ndlp->nlp_state, | |
943 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 944 | } |
945 | ||
946 | ||
92d7f7b0 JS |
947 | out: |
948 | if (ndlp->nlp_DID == NameServer_DID) { | |
949 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
950 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
951 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
952 | } |
953 | ||
0ff10d46 | 954 | spin_lock_irq(shost->host_lock); |
a8adb832 | 955 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 956 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 957 | return NLP_STE_FREED_NODE; |
dea3101e | 958 | } |
959 | ||
0ff10d46 JS |
960 | static uint32_t |
961 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
962 | void *arg, uint32_t evt) | |
963 | { | |
964 | return ndlp->nlp_state; | |
965 | } | |
966 | ||
967 | static uint32_t | |
968 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
969 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
970 | { | |
971 | return ndlp->nlp_state; | |
972 | } | |
973 | ||
dea3101e | 974 | static uint32_t |
2e0fef85 JS |
975 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
976 | void *arg, uint32_t evt) | |
dea3101e | 977 | { |
2e0fef85 JS |
978 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
979 | ||
980 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
981 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 982 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 983 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 984 | return ndlp->nlp_state; |
2e0fef85 | 985 | } else { |
a0f9b48d | 986 | /* software abort outstanding PLOGI */ |
2e0fef85 | 987 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 988 | |
2e0fef85 | 989 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
990 | return NLP_STE_FREED_NODE; |
991 | } | |
dea3101e | 992 | } |
993 | ||
994 | static uint32_t | |
2e0fef85 JS |
995 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
996 | struct lpfc_nodelist *ndlp, | |
997 | void *arg, | |
998 | uint32_t evt) | |
dea3101e | 999 | { |
2e0fef85 JS |
1000 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1001 | struct lpfc_hba *phba = vport->phba; | |
1002 | ||
92d7f7b0 JS |
1003 | /* Don't do anything that will mess up processing of the |
1004 | * previous RSCN. | |
1005 | */ | |
1006 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1007 | return ndlp->nlp_state; | |
1008 | ||
dea3101e | 1009 | /* software abort outstanding PLOGI */ |
07951076 | 1010 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1011 | |
5024ab17 | 1012 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 1013 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 1014 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1015 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1016 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1017 | |
c9f8735b | 1018 | return ndlp->nlp_state; |
dea3101e | 1019 | } |
1020 | ||
1021 | static uint32_t | |
2e0fef85 JS |
1022 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1023 | void *arg, uint32_t evt) | |
dea3101e | 1024 | { |
2e0fef85 | 1025 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1026 | struct lpfc_iocbq *cmdiocb; |
1027 | ||
1028 | /* software abort outstanding ADISC */ | |
07951076 | 1029 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1030 | |
1031 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1032 | ||
2e0fef85 | 1033 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) |
c9f8735b | 1034 | return ndlp->nlp_state; |
2e0fef85 | 1035 | |
5024ab17 | 1036 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1037 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1038 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1039 | |
c9f8735b | 1040 | return ndlp->nlp_state; |
dea3101e | 1041 | } |
1042 | ||
1043 | static uint32_t | |
2e0fef85 JS |
1044 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1045 | void *arg, uint32_t evt) | |
dea3101e | 1046 | { |
2e0fef85 | 1047 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1048 | |
2e0fef85 | 1049 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1050 | return ndlp->nlp_state; |
dea3101e | 1051 | } |
1052 | ||
1053 | static uint32_t | |
2e0fef85 JS |
1054 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1055 | void *arg, uint32_t evt) | |
dea3101e | 1056 | { |
2e0fef85 | 1057 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1058 | struct lpfc_iocbq *cmdiocb; |
1059 | ||
1060 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1061 | ||
1062 | /* software abort outstanding ADISC */ | |
07951076 | 1063 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1064 | |
2e0fef85 | 1065 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1066 | return ndlp->nlp_state; |
dea3101e | 1067 | } |
1068 | ||
1069 | static uint32_t | |
2e0fef85 JS |
1070 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1071 | struct lpfc_nodelist *ndlp, | |
1072 | void *arg, uint32_t evt) | |
dea3101e | 1073 | { |
1074 | struct lpfc_iocbq *cmdiocb; | |
1075 | ||
1076 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1077 | ||
2e0fef85 | 1078 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1079 | return ndlp->nlp_state; |
dea3101e | 1080 | } |
1081 | ||
1082 | static uint32_t | |
2e0fef85 JS |
1083 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1084 | void *arg, uint32_t evt) | |
dea3101e | 1085 | { |
1086 | struct lpfc_iocbq *cmdiocb; | |
1087 | ||
1088 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1089 | ||
1090 | /* Treat like rcv logo */ | |
2e0fef85 | 1091 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1092 | return ndlp->nlp_state; |
dea3101e | 1093 | } |
1094 | ||
1095 | static uint32_t | |
2e0fef85 JS |
1096 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1097 | struct lpfc_nodelist *ndlp, | |
1098 | void *arg, uint32_t evt) | |
dea3101e | 1099 | { |
2e0fef85 JS |
1100 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1101 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1102 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1103 | IOCB_t *irsp; | |
1104 | ADISC *ap; | |
1105 | ||
1106 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1107 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1108 | ||
1109 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1110 | irsp = &rspiocb->iocb; | |
1111 | ||
1112 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1113 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e | 1114 | /* 1 sec timeout */ |
1115 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1116 | spin_lock_irq(shost->host_lock); |
dea3101e | 1117 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1118 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1119 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1120 | |
2e0fef85 JS |
1121 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1122 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1123 | |
5024ab17 | 1124 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1125 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1126 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1127 | return ndlp->nlp_state; |
dea3101e | 1128 | } |
5024ab17 | 1129 | |
2501322e | 1130 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1131 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1132 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1133 | } else { |
5024ab17 | 1134 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1135 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1136 | } |
c9f8735b | 1137 | return ndlp->nlp_state; |
dea3101e | 1138 | } |
1139 | ||
1140 | static uint32_t | |
2e0fef85 JS |
1141 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1142 | void *arg, uint32_t evt) | |
dea3101e | 1143 | { |
2e0fef85 JS |
1144 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1145 | ||
1146 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1147 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1148 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1149 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1150 | return ndlp->nlp_state; |
2e0fef85 | 1151 | } else { |
a0f9b48d | 1152 | /* software abort outstanding ADISC */ |
2e0fef85 | 1153 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1154 | |
2e0fef85 | 1155 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1156 | return NLP_STE_FREED_NODE; |
1157 | } | |
dea3101e | 1158 | } |
1159 | ||
1160 | static uint32_t | |
2e0fef85 JS |
1161 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1162 | struct lpfc_nodelist *ndlp, | |
1163 | void *arg, | |
1164 | uint32_t evt) | |
dea3101e | 1165 | { |
2e0fef85 JS |
1166 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1167 | struct lpfc_hba *phba = vport->phba; | |
1168 | ||
92d7f7b0 JS |
1169 | /* Don't do anything that will mess up processing of the |
1170 | * previous RSCN. | |
1171 | */ | |
1172 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1173 | return ndlp->nlp_state; | |
1174 | ||
dea3101e | 1175 | /* software abort outstanding ADISC */ |
07951076 | 1176 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1177 | |
5024ab17 | 1178 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1179 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1180 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1181 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1182 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1183 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1184 | return ndlp->nlp_state; |
dea3101e | 1185 | } |
1186 | ||
1187 | static uint32_t | |
2e0fef85 JS |
1188 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1189 | struct lpfc_nodelist *ndlp, | |
1190 | void *arg, | |
dea3101e | 1191 | uint32_t evt) |
1192 | { | |
2e0fef85 | 1193 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1194 | |
2e0fef85 | 1195 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1196 | return ndlp->nlp_state; |
dea3101e | 1197 | } |
1198 | ||
1199 | static uint32_t | |
2e0fef85 JS |
1200 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1201 | struct lpfc_nodelist *ndlp, | |
1202 | void *arg, | |
dea3101e | 1203 | uint32_t evt) |
1204 | { | |
2e0fef85 | 1205 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1206 | |
2e0fef85 | 1207 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1208 | return ndlp->nlp_state; |
dea3101e | 1209 | } |
1210 | ||
1211 | static uint32_t | |
2e0fef85 JS |
1212 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1213 | struct lpfc_nodelist *ndlp, | |
1214 | void *arg, | |
dea3101e | 1215 | uint32_t evt) |
1216 | { | |
2e0fef85 JS |
1217 | struct lpfc_hba *phba = vport->phba; |
1218 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1219 | LPFC_MBOXQ_t *mb; |
1220 | LPFC_MBOXQ_t *nextmb; | |
1221 | struct lpfc_dmabuf *mp; | |
dea3101e | 1222 | |
1223 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1224 | ||
7054a606 JS |
1225 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1226 | if ((mb = phba->sli.mbox_active)) { | |
1227 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1228 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
92d7f7b0 | 1229 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1230 | mb->context2 = NULL; |
1231 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1232 | } | |
1233 | } | |
1234 | ||
2e0fef85 | 1235 | spin_lock_irq(&phba->hbalock); |
7054a606 JS |
1236 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1237 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1238 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1239 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1240 | if (mp) { | |
98c9ea5c | 1241 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1242 | kfree(mp); |
1243 | } | |
92d7f7b0 | 1244 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1245 | list_del(&mb->list); |
1246 | mempool_free(mb, phba->mbox_mem_pool); | |
1247 | } | |
1248 | } | |
2e0fef85 | 1249 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1250 | |
2e0fef85 | 1251 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1252 | return ndlp->nlp_state; |
dea3101e | 1253 | } |
1254 | ||
1255 | static uint32_t | |
2e0fef85 JS |
1256 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1257 | struct lpfc_nodelist *ndlp, | |
1258 | void *arg, | |
dea3101e | 1259 | uint32_t evt) |
1260 | { | |
2e0fef85 | 1261 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1262 | |
2e0fef85 | 1263 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1264 | return ndlp->nlp_state; |
dea3101e | 1265 | } |
1266 | ||
1267 | static uint32_t | |
2e0fef85 JS |
1268 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1269 | struct lpfc_nodelist *ndlp, | |
1270 | void *arg, | |
dea3101e | 1271 | uint32_t evt) |
1272 | { | |
1273 | struct lpfc_iocbq *cmdiocb; | |
1274 | ||
1275 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1276 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1277 | return ndlp->nlp_state; |
dea3101e | 1278 | } |
1279 | ||
1280 | static uint32_t | |
2e0fef85 JS |
1281 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1282 | struct lpfc_nodelist *ndlp, | |
1283 | void *arg, | |
1284 | uint32_t evt) | |
dea3101e | 1285 | { |
2e0fef85 | 1286 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
1287 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
1288 | MAILBOX_t *mb = &pmb->mb; | |
1289 | uint32_t did = mb->un.varWords[1]; | |
dea3101e | 1290 | |
dea3101e | 1291 | if (mb->mbxStatus) { |
1292 | /* RegLogin failed */ | |
e8b62011 JS |
1293 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1294 | "0246 RegLogin failed Data: x%x x%x x%x\n", | |
2e0fef85 | 1295 | did, mb->mbxStatus, vport->port_state); |
d0e56dad JS |
1296 | /* |
1297 | * If RegLogin failed due to lack of HBA resources do not | |
1298 | * retry discovery. | |
1299 | */ | |
1300 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1301 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1302 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1303 | return ndlp->nlp_state; |
1304 | } | |
1305 | ||
2e0fef85 | 1306 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1307 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1308 | spin_lock_irq(shost->host_lock); |
dea3101e | 1309 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1310 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1311 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1312 | |
2e0fef85 | 1313 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1314 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1315 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1316 | return ndlp->nlp_state; |
dea3101e | 1317 | } |
1318 | ||
dea3101e | 1319 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1320 | |
1321 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1322 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1323 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1324 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1325 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1326 | } else { |
5024ab17 | 1327 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1328 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1329 | } |
c9f8735b | 1330 | return ndlp->nlp_state; |
dea3101e | 1331 | } |
1332 | ||
1333 | static uint32_t | |
2e0fef85 JS |
1334 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1335 | struct lpfc_nodelist *ndlp, | |
1336 | void *arg, | |
dea3101e | 1337 | uint32_t evt) |
1338 | { | |
2e0fef85 JS |
1339 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1340 | ||
1341 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1342 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1343 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1344 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1345 | return ndlp->nlp_state; |
2e0fef85 JS |
1346 | } else { |
1347 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1348 | return NLP_STE_FREED_NODE; |
1349 | } | |
dea3101e | 1350 | } |
1351 | ||
1352 | static uint32_t | |
2e0fef85 JS |
1353 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1354 | struct lpfc_nodelist *ndlp, | |
1355 | void *arg, | |
1356 | uint32_t evt) | |
dea3101e | 1357 | { |
2e0fef85 JS |
1358 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1359 | ||
92d7f7b0 JS |
1360 | /* Don't do anything that will mess up processing of the |
1361 | * previous RSCN. | |
1362 | */ | |
1363 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1364 | return ndlp->nlp_state; | |
1365 | ||
5024ab17 | 1366 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1367 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1368 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1369 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1370 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1371 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1372 | return ndlp->nlp_state; |
dea3101e | 1373 | } |
1374 | ||
1375 | static uint32_t | |
2e0fef85 JS |
1376 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1377 | void *arg, uint32_t evt) | |
dea3101e | 1378 | { |
1379 | struct lpfc_iocbq *cmdiocb; | |
1380 | ||
1381 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1382 | ||
2e0fef85 | 1383 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1384 | return ndlp->nlp_state; |
dea3101e | 1385 | } |
1386 | ||
1387 | static uint32_t | |
2e0fef85 JS |
1388 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1389 | void *arg, uint32_t evt) | |
dea3101e | 1390 | { |
2e0fef85 | 1391 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1392 | |
2e0fef85 | 1393 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1394 | return ndlp->nlp_state; |
dea3101e | 1395 | } |
1396 | ||
1397 | static uint32_t | |
2e0fef85 JS |
1398 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1399 | void *arg, uint32_t evt) | |
dea3101e | 1400 | { |
2e0fef85 | 1401 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1402 | |
1403 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1404 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1405 | |
2e0fef85 | 1406 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1407 | return ndlp->nlp_state; |
dea3101e | 1408 | } |
1409 | ||
1410 | static uint32_t | |
2e0fef85 JS |
1411 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1412 | void *arg, uint32_t evt) | |
dea3101e | 1413 | { |
2e0fef85 | 1414 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1415 | |
2e0fef85 | 1416 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1417 | return ndlp->nlp_state; |
dea3101e | 1418 | } |
1419 | ||
1420 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1421 | * we are logged into. We should send back a PRLO rsp setting the | |
1422 | * appropriate bits. | |
1423 | * NEXT STATE = PRLI_ISSUE | |
1424 | */ | |
1425 | static uint32_t | |
2e0fef85 JS |
1426 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1427 | void *arg, uint32_t evt) | |
dea3101e | 1428 | { |
2e0fef85 | 1429 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1430 | |
51ef4c26 | 1431 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1432 | return ndlp->nlp_state; |
dea3101e | 1433 | } |
1434 | ||
1435 | static uint32_t | |
2e0fef85 JS |
1436 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1437 | void *arg, uint32_t evt) | |
dea3101e | 1438 | { |
92d7f7b0 | 1439 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1440 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1441 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1442 | IOCB_t *irsp; |
1443 | PRLI *npr; | |
1444 | ||
1445 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1446 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1447 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1448 | ||
1449 | irsp = &rspiocb->iocb; | |
1450 | if (irsp->ulpStatus) { | |
858c9f6c | 1451 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1452 | vport->cfg_restrict_login) { |
858c9f6c JS |
1453 | goto out; |
1454 | } | |
5024ab17 | 1455 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1456 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1457 | return ndlp->nlp_state; |
dea3101e | 1458 | } |
1459 | ||
1460 | /* Check out PRLI rsp */ | |
1461 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1462 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1463 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1464 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1465 | if (npr->initiatorFunc) | |
1466 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1467 | if (npr->targetFunc) | |
1468 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1469 | if (npr->Retry) | |
1470 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1471 | } | |
92d7f7b0 JS |
1472 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1473 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1474 | vport->cfg_restrict_login) { |
858c9f6c | 1475 | out: |
92d7f7b0 JS |
1476 | spin_lock_irq(shost->host_lock); |
1477 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1478 | spin_unlock_irq(shost->host_lock); | |
1479 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1480 | ||
1481 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1482 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1483 | return ndlp->nlp_state; |
1484 | } | |
dea3101e | 1485 | |
5024ab17 | 1486 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1487 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1488 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1489 | else | |
1490 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1491 | return ndlp->nlp_state; |
dea3101e | 1492 | } |
1493 | ||
1494 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1495 | * |
1496 | * \pre | |
1497 | * \post | |
1498 | * \param phba | |
1499 | * \param ndlp | |
1500 | * \param arg | |
1501 | * \param evt | |
1502 | * \return uint32_t | |
1503 | * | |
1504 | * \b Description: | |
1505 | * This routine is envoked when we a request to remove a nport we are in the | |
1506 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1507 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1508 | * on plogi list so it can be freed when LOGO completes. | |
1509 | * | |
1510 | */ | |
1511 | ||
dea3101e | 1512 | static uint32_t |
2e0fef85 JS |
1513 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1514 | void *arg, uint32_t evt) | |
dea3101e | 1515 | { |
2e0fef85 JS |
1516 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1517 | ||
1518 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1519 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1520 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1521 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1522 | return ndlp->nlp_state; |
2e0fef85 | 1523 | } else { |
a0f9b48d | 1524 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1525 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1526 | |
2e0fef85 | 1527 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1528 | return NLP_STE_FREED_NODE; |
1529 | } | |
dea3101e | 1530 | } |
1531 | ||
1532 | ||
1533 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1534 | * |
1535 | * \pre | |
1536 | * \post | |
1537 | * \param phba | |
1538 | * \param ndlp | |
1539 | * \param arg | |
1540 | * \param evt | |
1541 | * \return uint32_t | |
1542 | * | |
1543 | * \b Description: | |
1544 | * The routine is envoked when the state of a device is unknown, like | |
1545 | * during a link down. We should remove the nodelist entry from the | |
1546 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1547 | * outstanding PRLI command, then free the node entry. | |
1548 | */ | |
dea3101e | 1549 | static uint32_t |
2e0fef85 JS |
1550 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1551 | struct lpfc_nodelist *ndlp, | |
1552 | void *arg, | |
1553 | uint32_t evt) | |
dea3101e | 1554 | { |
2e0fef85 JS |
1555 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1556 | struct lpfc_hba *phba = vport->phba; | |
1557 | ||
92d7f7b0 JS |
1558 | /* Don't do anything that will mess up processing of the |
1559 | * previous RSCN. | |
1560 | */ | |
1561 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1562 | return ndlp->nlp_state; | |
1563 | ||
dea3101e | 1564 | /* software abort outstanding PRLI */ |
07951076 | 1565 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1566 | |
5024ab17 | 1567 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1568 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1569 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1570 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1571 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1572 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1573 | return ndlp->nlp_state; |
dea3101e | 1574 | } |
1575 | ||
1576 | static uint32_t | |
2e0fef85 JS |
1577 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1578 | void *arg, uint32_t evt) | |
dea3101e | 1579 | { |
2e0fef85 | 1580 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1581 | |
2e0fef85 | 1582 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1583 | return ndlp->nlp_state; |
dea3101e | 1584 | } |
1585 | ||
1586 | static uint32_t | |
2e0fef85 JS |
1587 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1588 | void *arg, uint32_t evt) | |
dea3101e | 1589 | { |
2e0fef85 | 1590 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1591 | |
2e0fef85 JS |
1592 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1593 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1594 | return ndlp->nlp_state; |
dea3101e | 1595 | } |
1596 | ||
1597 | static uint32_t | |
2e0fef85 JS |
1598 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1599 | void *arg, uint32_t evt) | |
dea3101e | 1600 | { |
2e0fef85 | 1601 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1602 | |
2e0fef85 | 1603 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1604 | return ndlp->nlp_state; |
dea3101e | 1605 | } |
1606 | ||
1607 | static uint32_t | |
2e0fef85 JS |
1608 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1609 | void *arg, uint32_t evt) | |
dea3101e | 1610 | { |
2e0fef85 | 1611 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1612 | |
2e0fef85 | 1613 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1614 | return ndlp->nlp_state; |
dea3101e | 1615 | } |
1616 | ||
1617 | static uint32_t | |
2e0fef85 JS |
1618 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1619 | void *arg, uint32_t evt) | |
dea3101e | 1620 | { |
2e0fef85 | 1621 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1622 | |
51ef4c26 | 1623 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1624 | return ndlp->nlp_state; |
dea3101e | 1625 | } |
1626 | ||
1627 | static uint32_t | |
2e0fef85 JS |
1628 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1629 | struct lpfc_nodelist *ndlp, | |
1630 | void *arg, | |
1631 | uint32_t evt) | |
dea3101e | 1632 | { |
2e0fef85 JS |
1633 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1634 | ||
5024ab17 | 1635 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1636 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1637 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1638 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1639 | spin_unlock_irq(shost->host_lock); |
1640 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1641 | |
c9f8735b | 1642 | return ndlp->nlp_state; |
dea3101e | 1643 | } |
1644 | ||
1645 | static uint32_t | |
2e0fef85 JS |
1646 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1647 | void *arg, uint32_t evt) | |
dea3101e | 1648 | { |
2e0fef85 | 1649 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1650 | |
2e0fef85 | 1651 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1652 | return ndlp->nlp_state; |
dea3101e | 1653 | } |
1654 | ||
1655 | static uint32_t | |
2e0fef85 JS |
1656 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1657 | void *arg, uint32_t evt) | |
dea3101e | 1658 | { |
2e0fef85 | 1659 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1660 | |
2e0fef85 | 1661 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1662 | return ndlp->nlp_state; |
dea3101e | 1663 | } |
1664 | ||
1665 | static uint32_t | |
2e0fef85 JS |
1666 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1667 | void *arg, uint32_t evt) | |
dea3101e | 1668 | { |
2e0fef85 | 1669 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1670 | |
2e0fef85 | 1671 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1672 | return ndlp->nlp_state; |
dea3101e | 1673 | } |
1674 | ||
1675 | static uint32_t | |
2e0fef85 JS |
1676 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1677 | struct lpfc_nodelist *ndlp, | |
1678 | void *arg, uint32_t evt) | |
dea3101e | 1679 | { |
2e0fef85 | 1680 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1681 | |
2e0fef85 | 1682 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1683 | return ndlp->nlp_state; |
dea3101e | 1684 | } |
1685 | ||
1686 | static uint32_t | |
2e0fef85 JS |
1687 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1688 | void *arg, uint32_t evt) | |
dea3101e | 1689 | { |
2e0fef85 JS |
1690 | struct lpfc_hba *phba = vport->phba; |
1691 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1692 | |
1693 | /* flush the target */ | |
51ef4c26 JS |
1694 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
1695 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 1696 | |
1697 | /* Treat like rcv logo */ | |
2e0fef85 | 1698 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1699 | return ndlp->nlp_state; |
dea3101e | 1700 | } |
1701 | ||
1702 | static uint32_t | |
2e0fef85 JS |
1703 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
1704 | struct lpfc_nodelist *ndlp, | |
1705 | void *arg, | |
1706 | uint32_t evt) | |
dea3101e | 1707 | { |
2e0fef85 JS |
1708 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1709 | ||
5024ab17 | 1710 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
1711 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1712 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1713 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1714 | spin_unlock_irq(shost->host_lock); |
1715 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 1716 | return ndlp->nlp_state; |
dea3101e | 1717 | } |
1718 | ||
1719 | static uint32_t | |
2e0fef85 JS |
1720 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1721 | void *arg, uint32_t evt) | |
dea3101e | 1722 | { |
2e0fef85 JS |
1723 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1724 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1725 | |
1726 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
858c9f6c | 1727 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) { |
c9f8735b | 1728 | return ndlp->nlp_state; |
dea3101e | 1729 | } |
1730 | ||
2e0fef85 JS |
1731 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1732 | spin_lock_irq(shost->host_lock); | |
fdcebe28 | 1733 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1734 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1735 | return ndlp->nlp_state; |
dea3101e | 1736 | } |
1737 | ||
1738 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1739 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
488d1469 | 1740 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1741 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1742 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1743 | } |
488d1469 | 1744 | |
c9f8735b | 1745 | return ndlp->nlp_state; |
dea3101e | 1746 | } |
1747 | ||
1748 | static uint32_t | |
2e0fef85 JS |
1749 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1750 | void *arg, uint32_t evt) | |
dea3101e | 1751 | { |
2e0fef85 JS |
1752 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1753 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1754 | struct ls_rjt stat; | |
dea3101e | 1755 | |
1756 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1757 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1758 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1759 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 1760 | |
1761 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1762 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 1763 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1764 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1765 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1766 | spin_unlock_irq(shost->host_lock); |
1767 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
1768 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1769 | } else { |
5024ab17 | 1770 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1771 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1772 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1773 | } |
1774 | } | |
c9f8735b | 1775 | return ndlp->nlp_state; |
dea3101e | 1776 | } |
1777 | ||
1778 | static uint32_t | |
2e0fef85 JS |
1779 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1780 | void *arg, uint32_t evt) | |
dea3101e | 1781 | { |
2e0fef85 | 1782 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1783 | |
2e0fef85 | 1784 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1785 | return ndlp->nlp_state; |
dea3101e | 1786 | } |
1787 | ||
1788 | static uint32_t | |
2e0fef85 JS |
1789 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1790 | void *arg, uint32_t evt) | |
dea3101e | 1791 | { |
2e0fef85 | 1792 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1793 | |
2e0fef85 | 1794 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
dea3101e | 1795 | |
33ccf8d1 JS |
1796 | /* |
1797 | * Do not start discovery if discovery is about to start | |
1798 | * or discovery in progress for this node. Starting discovery | |
1799 | * here will affect the counting of discovery threads. | |
1800 | */ | |
2fb9bd8b | 1801 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 1802 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 1803 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 1804 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1805 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1806 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1807 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1808 | } else { |
5024ab17 | 1809 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1810 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1811 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1812 | } |
1813 | } | |
c9f8735b | 1814 | return ndlp->nlp_state; |
dea3101e | 1815 | } |
1816 | ||
1817 | static uint32_t | |
2e0fef85 JS |
1818 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1819 | void *arg, uint32_t evt) | |
dea3101e | 1820 | { |
2e0fef85 JS |
1821 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1822 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1823 | |
2e0fef85 | 1824 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1825 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 1826 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1827 | |
51ef4c26 | 1828 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 1829 | |
2e0fef85 | 1830 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 1831 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1832 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
1833 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
1834 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 1835 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1836 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 1837 | } else { |
2e0fef85 | 1838 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1839 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1840 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1841 | } |
c9f8735b JW |
1842 | return ndlp->nlp_state; |
1843 | } | |
dea3101e | 1844 | |
c9f8735b | 1845 | static uint32_t |
2e0fef85 JS |
1846 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1847 | void *arg, uint32_t evt) | |
c9f8735b JW |
1848 | { |
1849 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1850 | IOCB_t *irsp; |
c9f8735b JW |
1851 | |
1852 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1853 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1854 | |
1855 | irsp = &rspiocb->iocb; | |
1856 | if (irsp->ulpStatus) { | |
a8adb832 | 1857 | ndlp->nlp_flag |= NLP_DEFER_RM; |
a0f9b48d JS |
1858 | return NLP_STE_FREED_NODE; |
1859 | } | |
c9f8735b JW |
1860 | return ndlp->nlp_state; |
1861 | } | |
1862 | ||
1863 | static uint32_t | |
2e0fef85 JS |
1864 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1865 | void *arg, uint32_t evt) | |
c9f8735b JW |
1866 | { |
1867 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1868 | IOCB_t *irsp; |
c9f8735b JW |
1869 | |
1870 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1871 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1872 | |
1873 | irsp = &rspiocb->iocb; | |
1874 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1875 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1876 | return NLP_STE_FREED_NODE; |
1877 | } | |
c9f8735b | 1878 | return ndlp->nlp_state; |
dea3101e | 1879 | } |
1880 | ||
1881 | static uint32_t | |
2e0fef85 JS |
1882 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1883 | void *arg, uint32_t evt) | |
dea3101e | 1884 | { |
2e0fef85 | 1885 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1886 | /* This routine does nothing, just return the current state */ |
c9f8735b JW |
1887 | return ndlp->nlp_state; |
1888 | } | |
1889 | ||
1890 | static uint32_t | |
2e0fef85 JS |
1891 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1892 | void *arg, uint32_t evt) | |
c9f8735b JW |
1893 | { |
1894 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1895 | IOCB_t *irsp; |
c9f8735b JW |
1896 | |
1897 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1898 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1899 | |
1900 | irsp = &rspiocb->iocb; | |
1901 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1902 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1903 | return NLP_STE_FREED_NODE; |
1904 | } | |
c9f8735b | 1905 | return ndlp->nlp_state; |
dea3101e | 1906 | } |
1907 | ||
1908 | static uint32_t | |
2e0fef85 JS |
1909 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
1910 | struct lpfc_nodelist *ndlp, | |
1911 | void *arg, uint32_t evt) | |
dea3101e | 1912 | { |
2e0fef85 JS |
1913 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
1914 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 1915 | |
c9f8735b JW |
1916 | if (!mb->mbxStatus) |
1917 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
a0f9b48d JS |
1918 | else { |
1919 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { | |
2e0fef85 | 1920 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1921 | return NLP_STE_FREED_NODE; |
1922 | } | |
1923 | } | |
c9f8735b | 1924 | return ndlp->nlp_state; |
dea3101e | 1925 | } |
1926 | ||
1927 | static uint32_t | |
2e0fef85 JS |
1928 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1929 | void *arg, uint32_t evt) | |
dea3101e | 1930 | { |
2e0fef85 JS |
1931 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1932 | ||
a0f9b48d | 1933 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 1934 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1935 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1936 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
1937 | return ndlp->nlp_state; |
1938 | } | |
2e0fef85 | 1939 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 1940 | return NLP_STE_FREED_NODE; |
dea3101e | 1941 | } |
1942 | ||
1943 | static uint32_t | |
2e0fef85 JS |
1944 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1945 | void *arg, uint32_t evt) | |
dea3101e | 1946 | { |
2e0fef85 JS |
1947 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1948 | ||
92d7f7b0 JS |
1949 | /* Don't do anything that will mess up processing of the |
1950 | * previous RSCN. | |
1951 | */ | |
1952 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1953 | return ndlp->nlp_state; | |
1954 | ||
2e0fef85 | 1955 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1956 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1957 | spin_unlock_irq(shost->host_lock); |
6ad42535 | 1958 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
2e0fef85 | 1959 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
6ad42535 | 1960 | } |
c9f8735b | 1961 | return ndlp->nlp_state; |
dea3101e | 1962 | } |
1963 | ||
1964 | ||
1965 | /* This next section defines the NPort Discovery State Machine */ | |
1966 | ||
1967 | /* There are 4 different double linked lists nodelist entries can reside on. | |
1968 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
1969 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
1970 | * or ADISC on. These lists will keep track of what nodes will be effected | |
1971 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
1972 | * The unmapped_list will contain all nodes that we have successfully logged | |
1973 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
1974 | * that are mapped FCP targets. | |
1975 | */ | |
1976 | /* | |
1977 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
1978 | * that we have saved binding information on. This information is used when | |
1979 | * nodes transition from the unmapped to the mapped list. | |
1980 | */ | |
1981 | /* For UNUSED_NODE state, the node has just been allocated . | |
1982 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
1983 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
1984 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
1985 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
1986 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
1987 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
1988 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
1989 | * node, the node is taken off the unmapped list. The binding list is checked | |
1990 | * for a valid binding, or a binding is automatically assigned. If binding | |
1991 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
1992 | * binding assignment is successful, the associated binding list entry (if | |
1993 | * any) is removed, and the node is placed on the mapped list. | |
1994 | */ | |
1995 | /* | |
1996 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 1997 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e | 1998 | * expire, all effected nodes will receive a DEVICE_RM event. |
1999 | */ | |
2000 | /* | |
2001 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2002 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2003 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2004 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2005 | * we will first process the ADISC list. 32 entries are processed initially and | |
2006 | * ADISC is initited for each one. Completions / Events for each node are | |
2007 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2008 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2009 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2010 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2011 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2012 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2013 | * Completions / Events for each node are funnelled thru the state machine. As | |
2014 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2015 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2016 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2017 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2018 | * unmapped lists. | |
2019 | */ | |
2020 | ||
2021 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2022 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e | 2023 | /* Action routine Event Current State */ |
2024 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2025 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2026 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2027 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2028 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2029 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2030 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2031 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2032 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2033 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2034 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2035 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
2036 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
2037 | ||
2038 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2039 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2040 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e | 2041 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2042 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2043 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2044 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2045 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2046 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2047 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2048 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e | 2049 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2050 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2051 | ||
2052 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2053 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2054 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2055 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2056 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2057 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2058 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2059 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2060 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2061 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2062 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2063 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2064 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2065 | ||
2066 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2067 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2068 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2069 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2070 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2071 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2072 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2073 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2074 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2075 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2076 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2077 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2078 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2079 | ||
2080 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2081 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2082 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2083 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2084 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2085 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2086 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2087 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2088 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2089 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2090 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2091 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2092 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2093 | ||
2094 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
2095 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2096 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2097 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2098 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2099 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2100 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2101 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2102 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2103 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2104 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2105 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2106 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2107 | ||
2108 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2109 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2110 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2111 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2112 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2113 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2114 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2115 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2116 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2117 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2118 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2119 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2120 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2121 | ||
2122 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2123 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2124 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2125 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2126 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2127 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2128 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2129 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2130 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2131 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e | 2132 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2133 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2134 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2135 | }; | |
2136 | ||
2137 | int | |
2e0fef85 JS |
2138 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2139 | void *arg, uint32_t evt) | |
dea3101e | 2140 | { |
2141 | uint32_t cur_state, rc; | |
2e0fef85 | 2142 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2143 | uint32_t); |
2144 | ||
329f9bc7 | 2145 | lpfc_nlp_get(ndlp); |
dea3101e | 2146 | cur_state = ndlp->nlp_state; |
2147 | ||
2148 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2149 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2150 | "0211 DSM in event x%x on NPort x%x in " | |
2151 | "state %d Data: x%x\n", | |
2152 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2153 | |
858c9f6c JS |
2154 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2155 | "DSM in: evt:%d ste:%d did:x%x", | |
2156 | evt, cur_state, ndlp->nlp_DID); | |
2157 | ||
dea3101e | 2158 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2159 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e | 2160 | |
2161 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e8b62011 JS |
2162 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2163 | "0212 DSM out state %d on NPort x%x Data: x%x\n", | |
2164 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2165 | |
858c9f6c JS |
2166 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2167 | "DSM out: ste:%d did:x%x flg:x%x", | |
2168 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2169 | ||
329f9bc7 | 2170 | lpfc_nlp_put(ndlp); |
dea3101e | 2171 | |
c9f8735b | 2172 | return rc; |
dea3101e | 2173 | } |