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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. * |
e47c9093 | 4 | * Copyright (C) 2004-2008 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 JB |
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 JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e JB |
27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
da0436e9 | 31 | #include "lpfc_hw4.h" |
dea3101e JB |
32 | #include "lpfc_hw.h" |
33 | #include "lpfc_sli.h" | |
da0436e9 | 34 | #include "lpfc_sli4.h" |
ea2151b4 | 35 | #include "lpfc_nl.h" |
dea3101e JB |
36 | #include "lpfc_disc.h" |
37 | #include "lpfc_scsi.h" | |
38 | #include "lpfc.h" | |
39 | #include "lpfc_logmsg.h" | |
40 | #include "lpfc_crtn.h" | |
92d7f7b0 | 41 | #include "lpfc_vport.h" |
858c9f6c | 42 | #include "lpfc_debugfs.h" |
dea3101e JB |
43 | |
44 | ||
45 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
46 | static int | |
2e0fef85 JS |
47 | lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
48 | struct lpfc_name *nn, struct lpfc_name *pn) | |
dea3101e JB |
49 | { |
50 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node | |
51 | * table entry for that node. | |
52 | */ | |
2e0fef85 | 53 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 54 | return 0; |
dea3101e | 55 | |
2e0fef85 | 56 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 57 | return 0; |
dea3101e JB |
58 | |
59 | /* we match, return success */ | |
c9f8735b | 60 | return 1; |
dea3101e JB |
61 | } |
62 | ||
dea3101e | 63 | int |
2e0fef85 JS |
64 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
65 | struct serv_parm * sp, uint32_t class) | |
dea3101e | 66 | { |
2e0fef85 | 67 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
68 | uint16_t hsp_value, ssp_value = 0; |
69 | ||
70 | /* | |
71 | * The receive data field size and buffer-to-buffer receive data field | |
72 | * size entries are 16 bits but are represented as two 8-bit fields in | |
73 | * the driver data structure to account for rsvd bits and other control | |
74 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
75 | * correcting the byte values. | |
76 | */ | |
dea3101e | 77 | if (sp->cls1.classValid) { |
2fb70f79 JSEC |
78 | hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | |
79 | hsp->cls1.rcvDataSizeLsb; | |
80 | ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | | |
81 | sp->cls1.rcvDataSizeLsb; | |
92d7f7b0 JS |
82 | if (!ssp_value) |
83 | goto bad_service_param; | |
2fb70f79 | 84 | if (ssp_value > hsp_value) { |
dea3101e | 85 | sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; |
2fb70f79 JSEC |
86 | sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; |
87 | } | |
dea3101e | 88 | } else if (class == CLASS1) { |
92d7f7b0 | 89 | goto bad_service_param; |
dea3101e JB |
90 | } |
91 | ||
92 | if (sp->cls2.classValid) { | |
2fb70f79 JSEC |
93 | hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | |
94 | hsp->cls2.rcvDataSizeLsb; | |
95 | ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | | |
96 | sp->cls2.rcvDataSizeLsb; | |
92d7f7b0 JS |
97 | if (!ssp_value) |
98 | goto bad_service_param; | |
2fb70f79 | 99 | if (ssp_value > hsp_value) { |
dea3101e | 100 | sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; |
2fb70f79 JSEC |
101 | sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; |
102 | } | |
dea3101e | 103 | } else if (class == CLASS2) { |
92d7f7b0 | 104 | goto bad_service_param; |
dea3101e JB |
105 | } |
106 | ||
107 | if (sp->cls3.classValid) { | |
2fb70f79 JSEC |
108 | hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | |
109 | hsp->cls3.rcvDataSizeLsb; | |
110 | ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | | |
111 | sp->cls3.rcvDataSizeLsb; | |
92d7f7b0 JS |
112 | if (!ssp_value) |
113 | goto bad_service_param; | |
2fb70f79 | 114 | if (ssp_value > hsp_value) { |
dea3101e | 115 | sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; |
2fb70f79 JSEC |
116 | sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; |
117 | } | |
dea3101e | 118 | } else if (class == CLASS3) { |
92d7f7b0 | 119 | goto bad_service_param; |
dea3101e JB |
120 | } |
121 | ||
2fb70f79 JSEC |
122 | /* |
123 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
124 | * These bits contain the Buffer-to-Buffer State Change Number | |
125 | * from the target and need to be passed to the FW. | |
126 | */ | |
127 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
128 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
129 | if (ssp_value > hsp_value) { | |
dea3101e | 130 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
131 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
132 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
133 | } | |
dea3101e | 134 | |
dea3101e JB |
135 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
136 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 137 | return 1; |
92d7f7b0 | 138 | bad_service_param: |
e8b62011 JS |
139 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
140 | "0207 Device %x " | |
141 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
142 | "invalid service parameters. Ignoring device.\n", | |
143 | ndlp->nlp_DID, | |
144 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
145 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
146 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
147 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
92d7f7b0 | 148 | return 0; |
dea3101e JB |
149 | } |
150 | ||
151 | static void * | |
2e0fef85 | 152 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 153 | struct lpfc_iocbq *rspiocb) |
dea3101e JB |
154 | { |
155 | struct lpfc_dmabuf *pcmd, *prsp; | |
156 | uint32_t *lp; | |
157 | void *ptr = NULL; | |
158 | IOCB_t *irsp; | |
159 | ||
160 | irsp = &rspiocb->iocb; | |
161 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
162 | ||
163 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
164 | * freeing associated memory till after ABTS completes. | |
165 | */ | |
166 | if (pcmd) { | |
167 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
168 | list); | |
169 | if (prsp) { | |
170 | lp = (uint32_t *) prsp->virt; | |
171 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
172 | } | |
2fe165b6 | 173 | } else { |
dea3101e JB |
174 | /* Force ulpStatus error since we are returning NULL ptr */ |
175 | if (!(irsp->ulpStatus)) { | |
176 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
177 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
178 | } | |
179 | ptr = NULL; | |
180 | } | |
c9f8735b | 181 | return ptr; |
dea3101e JB |
182 | } |
183 | ||
184 | ||
185 | /* | |
186 | * Free resources / clean up outstanding I/Os | |
187 | * associated with a LPFC_NODELIST entry. This | |
188 | * routine effectively results in a "software abort". | |
189 | */ | |
190 | int | |
2e0fef85 | 191 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 192 | { |
2534ba75 | 193 | LIST_HEAD(completions); |
2e0fef85 JS |
194 | struct lpfc_sli *psli = &phba->sli; |
195 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 196 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e JB |
197 | |
198 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 JS |
199 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
200 | "0205 Abort outstanding I/O on NPort x%x " | |
201 | "Data: x%x x%x x%x\n", | |
202 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
203 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
204 | |
205 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 206 | |
dea3101e | 207 | /* First check the txq */ |
2e0fef85 | 208 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 209 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 210 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 211 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 212 | /* It matches, so deque and call compl with anp error */ |
2534ba75 JS |
213 | list_move_tail(&iocb->list, &completions); |
214 | pring->txq_cnt--; | |
dea3101e | 215 | } |
2534ba75 | 216 | } |
dea3101e | 217 | |
dea3101e | 218 | /* Next check the txcmplq */ |
07951076 | 219 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
858c9f6c | 220 | /* Check to see if iocb matches the nport we are looking for */ |
92d7f7b0 | 221 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
07951076 | 222 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
92d7f7b0 | 223 | } |
07951076 | 224 | } |
2e0fef85 | 225 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 226 | |
a257bf90 JS |
227 | /* Cancel all the IOCBs from the completions list */ |
228 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
229 | IOERR_SLI_ABORTED); | |
2534ba75 | 230 | |
0d2b6b83 | 231 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 232 | return 0; |
dea3101e JB |
233 | } |
234 | ||
235 | static int | |
2e0fef85 | 236 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 237 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 238 | { |
2e0fef85 JS |
239 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
240 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
241 | struct lpfc_dmabuf *pcmd; |
242 | uint32_t *lp; | |
243 | IOCB_t *icmd; | |
244 | struct serv_parm *sp; | |
245 | LPFC_MBOXQ_t *mbox; | |
246 | struct ls_rjt stat; | |
247 | int rc; | |
248 | ||
249 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2e0fef85 | 250 | if (vport->port_state <= LPFC_FLOGI) { |
dea3101e JB |
251 | /* Before responding to PLOGI, check for pt2pt mode. |
252 | * If we are pt2pt, with an outstanding FLOGI, abort | |
253 | * the FLOGI and resend it first. | |
254 | */ | |
2e0fef85 | 255 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 256 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 257 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e JB |
258 | /* If the other side is supposed to initiate |
259 | * the PLOGI anyway, just ACC it now and | |
260 | * move on with discovery. | |
261 | */ | |
262 | phba->fc_edtov = FF_DEF_EDTOV; | |
263 | phba->fc_ratov = FF_DEF_RATOV; | |
264 | /* Start discovery - this should just do | |
265 | CLEAR_LA */ | |
2e0fef85 | 266 | lpfc_disc_start(vport); |
ed957684 | 267 | } else |
2e0fef85 | 268 | lpfc_initial_flogi(vport); |
2fe165b6 | 269 | } else { |
dea3101e JB |
270 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
271 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 272 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 273 | ndlp, NULL); |
dea3101e JB |
274 | return 0; |
275 | } | |
276 | } | |
277 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
278 | lp = (uint32_t *) pcmd->virt; | |
279 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
280 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
281 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
282 | "0140 PLOGI Reject: invalid nname\n"); | |
283 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
284 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
285 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
286 | NULL); | |
287 | return 0; | |
288 | } | |
289 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
290 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
291 | "0141 PLOGI Reject: invalid pname\n"); | |
292 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
293 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
294 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
295 | NULL); | |
296 | return 0; | |
297 | } | |
2e0fef85 | 298 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) { |
dea3101e JB |
299 | /* Reject this request because invalid parameters */ |
300 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
301 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
302 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
303 | NULL); | |
c9f8735b | 304 | return 0; |
dea3101e JB |
305 | } |
306 | icmd = &cmdiocb->iocb; | |
307 | ||
308 | /* PLOGI chkparm OK */ | |
e8b62011 JS |
309 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
310 | "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
311 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
312 | ndlp->nlp_rpi); | |
dea3101e | 313 | |
3de2a653 | 314 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 315 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 316 | else |
dea3101e | 317 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 318 | |
dea3101e JB |
319 | ndlp->nlp_class_sup = 0; |
320 | if (sp->cls1.classValid) | |
321 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
322 | if (sp->cls2.classValid) | |
323 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
324 | if (sp->cls3.classValid) | |
325 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
326 | if (sp->cls4.classValid) | |
327 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
328 | ndlp->nlp_maxframe = | |
329 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
330 | ||
331 | /* no need to reg_login if we are already in one of these states */ | |
2fe165b6 | 332 | switch (ndlp->nlp_state) { |
dea3101e JB |
333 | case NLP_STE_NPR_NODE: |
334 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
335 | break; | |
336 | case NLP_STE_REG_LOGIN_ISSUE: | |
337 | case NLP_STE_PRLI_ISSUE: | |
338 | case NLP_STE_UNMAPPED_NODE: | |
339 | case NLP_STE_MAPPED_NODE: | |
51ef4c26 | 340 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
c9f8735b | 341 | return 1; |
dea3101e JB |
342 | } |
343 | ||
92d7f7b0 JS |
344 | if ((vport->fc_flag & FC_PT2PT) && |
345 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 346 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 347 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e JB |
348 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
349 | if (mbox == NULL) | |
350 | goto out; | |
351 | lpfc_config_link(phba, mbox); | |
352 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 353 | mbox->vport = vport; |
0b727fea | 354 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 355 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 356 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e JB |
357 | goto out; |
358 | } | |
359 | ||
2e0fef85 | 360 | lpfc_can_disctmo(vport); |
dea3101e JB |
361 | } |
362 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 363 | if (!mbox) |
dea3101e JB |
364 | goto out; |
365 | ||
92d7f7b0 JS |
366 | rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID, |
367 | (uint8_t *) sp, mbox, 0); | |
2e0fef85 JS |
368 | if (rc) { |
369 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
370 | goto out; |
371 | } | |
372 | ||
373 | /* ACC PLOGI rsp command needs to execute first, | |
374 | * queue this mbox command to be processed later. | |
375 | */ | |
376 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
377 | /* |
378 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
379 | * command issued in lpfc_cmpl_els_acc(). | |
380 | */ | |
2e0fef85 JS |
381 | mbox->vport = vport; |
382 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 383 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 384 | spin_unlock_irq(shost->host_lock); |
dea3101e | 385 | |
33ccf8d1 JS |
386 | /* |
387 | * If there is an outstanding PLOGI issued, abort it before | |
388 | * sending ACC rsp for received PLOGI. If pending plogi | |
389 | * is not canceled here, the plogi will be rejected by | |
390 | * remote port and will be retried. On a configuration with | |
391 | * single discovery thread, this will cause a huge delay in | |
392 | * discovery. Also this will cause multiple state machines | |
393 | * running in parallel for this node. | |
394 | */ | |
395 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
396 | /* software abort outstanding PLOGI */ | |
07951076 | 397 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
398 | } |
399 | ||
858c9f6c | 400 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 401 | vport->cfg_restrict_login)) { |
858c9f6c JS |
402 | |
403 | /* In order to preserve RPIs, we want to cleanup | |
404 | * the default RPI the firmware created to rcv | |
405 | * this ELS request. The only way to do this is | |
406 | * to register, then unregister the RPI. | |
407 | */ | |
408 | spin_lock_irq(shost->host_lock); | |
409 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
410 | spin_unlock_irq(shost->host_lock); | |
411 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
412 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
413 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
414 | ndlp, mbox); | |
415 | return 1; | |
416 | } | |
51ef4c26 | 417 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
c9f8735b | 418 | return 1; |
dea3101e JB |
419 | out: |
420 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
421 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 422 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 423 | return 0; |
dea3101e JB |
424 | } |
425 | ||
426 | static int | |
2e0fef85 | 427 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
428 | struct lpfc_iocbq *cmdiocb) |
429 | { | |
2e0fef85 | 430 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 431 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
432 | struct serv_parm *sp; |
433 | struct lpfc_name *pnn, *ppn; | |
dea3101e JB |
434 | struct ls_rjt stat; |
435 | ADISC *ap; | |
436 | IOCB_t *icmd; | |
437 | uint32_t *lp; | |
438 | uint32_t cmd; | |
439 | ||
440 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
441 | lp = (uint32_t *) pcmd->virt; | |
442 | ||
443 | cmd = *lp++; | |
444 | if (cmd == ELS_CMD_ADISC) { | |
445 | ap = (ADISC *) lp; | |
446 | pnn = (struct lpfc_name *) & ap->nodeName; | |
447 | ppn = (struct lpfc_name *) & ap->portName; | |
448 | } else { | |
449 | sp = (struct serv_parm *) lp; | |
450 | pnn = (struct lpfc_name *) & sp->nodeName; | |
451 | ppn = (struct lpfc_name *) & sp->portName; | |
452 | } | |
453 | ||
454 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 455 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
dea3101e | 456 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 457 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 458 | } else { |
2e0fef85 | 459 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, |
51ef4c26 | 460 | NULL); |
dea3101e | 461 | } |
c9f8735b | 462 | return 1; |
dea3101e JB |
463 | } |
464 | /* Reject this request because invalid parameters */ | |
465 | stat.un.b.lsRjtRsvd0 = 0; | |
466 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
467 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
468 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 469 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 470 | |
dea3101e JB |
471 | /* 1 sec timeout */ |
472 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
473 | ||
2e0fef85 | 474 | spin_lock_irq(shost->host_lock); |
dea3101e | 475 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 476 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
477 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
478 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 479 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 480 | return 0; |
dea3101e JB |
481 | } |
482 | ||
483 | static int | |
2e0fef85 JS |
484 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
485 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 486 | { |
2e0fef85 JS |
487 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488 | ||
489 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e JB |
490 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
491 | * PLOGIs during LOGO storms from a device. | |
492 | */ | |
2e0fef85 | 493 | spin_lock_irq(shost->host_lock); |
dea3101e | 494 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 495 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 496 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 497 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 498 | else |
51ef4c26 | 499 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 500 | |
0d2b6b83 JS |
501 | if ((!(ndlp->nlp_type & NLP_FABRIC) && |
502 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
503 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
92d7f7b0 | 504 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { |
dea3101e | 505 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 506 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 507 | spin_lock_irq(shost->host_lock); |
dea3101e | 508 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 509 | spin_unlock_irq(shost->host_lock); |
dea3101e | 510 | |
5024ab17 | 511 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 512 | } |
87af33fe JS |
513 | ndlp->nlp_prev_state = ndlp->nlp_state; |
514 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 515 | |
2e0fef85 | 516 | spin_lock_irq(shost->host_lock); |
dea3101e | 517 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 518 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
519 | /* The driver has to wait until the ACC completes before it continues |
520 | * processing the LOGO. The action will resume in | |
521 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
522 | * unreg_login, the driver waits so the ACC does not get aborted. | |
523 | */ | |
c9f8735b | 524 | return 0; |
dea3101e JB |
525 | } |
526 | ||
527 | static void | |
2e0fef85 JS |
528 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
529 | struct lpfc_iocbq *cmdiocb) | |
dea3101e JB |
530 | { |
531 | struct lpfc_dmabuf *pcmd; | |
532 | uint32_t *lp; | |
533 | PRLI *npr; | |
534 | struct fc_rport *rport = ndlp->rport; | |
535 | u32 roles; | |
536 | ||
537 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
538 | lp = (uint32_t *) pcmd->virt; | |
539 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
540 | ||
541 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
542 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 543 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e JB |
544 | if (npr->initiatorFunc) |
545 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
546 | if (npr->targetFunc) | |
547 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
548 | if (npr->Retry) | |
549 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
550 | } | |
551 | if (rport) { | |
552 | /* We need to update the rport role values */ | |
553 | roles = FC_RPORT_ROLE_UNKNOWN; | |
554 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
555 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
556 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
557 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
558 | |
559 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
560 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
561 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
562 | ||
dea3101e JB |
563 | fc_remote_port_rolechg(rport, roles); |
564 | } | |
565 | } | |
566 | ||
567 | static uint32_t | |
2e0fef85 | 568 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 569 | { |
2e0fef85 | 570 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 571 | |
51ef4c26 JS |
572 | if (!ndlp->nlp_rpi) { |
573 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
574 | return 0; | |
575 | } | |
576 | ||
1b32f6aa JS |
577 | if (!(vport->fc_flag & FC_PT2PT)) { |
578 | /* Check config parameter use-adisc or FCP-2 */ | |
579 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || | |
580 | ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { | |
581 | spin_lock_irq(shost->host_lock); | |
582 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
583 | spin_unlock_irq(shost->host_lock); | |
584 | return 1; | |
585 | } | |
92d7f7b0 JS |
586 | } |
587 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
588 | lpfc_unreg_rpi(vport, ndlp); | |
589 | return 0; | |
dea3101e JB |
590 | } |
591 | ||
592 | static uint32_t | |
2e0fef85 JS |
593 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
594 | void *arg, uint32_t evt) | |
dea3101e | 595 | { |
e8b62011 | 596 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 597 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
598 | "event x%x, state x%x Data: x%x x%x\n", |
599 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
600 | ndlp->nlp_flag); | |
c9f8735b | 601 | return ndlp->nlp_state; |
dea3101e JB |
602 | } |
603 | ||
87af33fe JS |
604 | static uint32_t |
605 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
606 | void *arg, uint32_t evt) | |
607 | { | |
608 | /* This transition is only legal if we previously | |
609 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
610 | * working on the same NPortID, do nothing for this thread | |
611 | * to stop it. | |
612 | */ | |
613 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
614 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 615 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
616 | "event x%x, state x%x Data: x%x x%x\n", |
617 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
618 | ndlp->nlp_flag); | |
619 | } | |
620 | return ndlp->nlp_state; | |
621 | } | |
622 | ||
dea3101e JB |
623 | /* Start of Discovery State Machine routines */ |
624 | ||
625 | static uint32_t | |
2e0fef85 JS |
626 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
627 | void *arg, uint32_t evt) | |
dea3101e JB |
628 | { |
629 | struct lpfc_iocbq *cmdiocb; | |
630 | ||
631 | cmdiocb = (struct lpfc_iocbq *) arg; | |
632 | ||
2e0fef85 | 633 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 634 | return ndlp->nlp_state; |
dea3101e | 635 | } |
c9f8735b | 636 | return NLP_STE_FREED_NODE; |
dea3101e JB |
637 | } |
638 | ||
639 | static uint32_t | |
2e0fef85 JS |
640 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
641 | void *arg, uint32_t evt) | |
dea3101e | 642 | { |
2e0fef85 | 643 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 644 | return ndlp->nlp_state; |
dea3101e JB |
645 | } |
646 | ||
647 | static uint32_t | |
2e0fef85 JS |
648 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
649 | void *arg, uint32_t evt) | |
dea3101e | 650 | { |
2e0fef85 JS |
651 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
652 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 653 | |
2e0fef85 | 654 | spin_lock_irq(shost->host_lock); |
dea3101e | 655 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 656 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 657 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 658 | |
c9f8735b | 659 | return ndlp->nlp_state; |
dea3101e JB |
660 | } |
661 | ||
662 | static uint32_t | |
2e0fef85 JS |
663 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
664 | void *arg, uint32_t evt) | |
dea3101e | 665 | { |
c9f8735b | 666 | return NLP_STE_FREED_NODE; |
dea3101e JB |
667 | } |
668 | ||
669 | static uint32_t | |
2e0fef85 JS |
670 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
671 | void *arg, uint32_t evt) | |
dea3101e | 672 | { |
c9f8735b | 673 | return NLP_STE_FREED_NODE; |
dea3101e JB |
674 | } |
675 | ||
676 | static uint32_t | |
2e0fef85 | 677 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
678 | void *arg, uint32_t evt) |
679 | { | |
0d2b6b83 | 680 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 681 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 682 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
683 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
684 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
685 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e JB |
686 | struct ls_rjt stat; |
687 | int port_cmp; | |
688 | ||
dea3101e JB |
689 | memset(&stat, 0, sizeof (struct ls_rjt)); |
690 | ||
691 | /* For a PLOGI, we only accept if our portname is less | |
692 | * than the remote portname. | |
693 | */ | |
694 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 695 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 696 | sizeof(struct lpfc_name)); |
dea3101e JB |
697 | |
698 | if (port_cmp >= 0) { | |
699 | /* Reject this request because the remote node will accept | |
700 | ours */ | |
701 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
702 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
703 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
704 | NULL); | |
2fe165b6 | 705 | } else { |
0d2b6b83 JS |
706 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
707 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
708 | (vport->num_disc_nodes)) { | |
709 | spin_lock_irq(shost->host_lock); | |
710 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
711 | spin_unlock_irq(shost->host_lock); | |
712 | /* Check if there are more PLOGIs to be sent */ | |
713 | lpfc_more_plogi(vport); | |
714 | if (vport->num_disc_nodes == 0) { | |
715 | spin_lock_irq(shost->host_lock); | |
716 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
717 | spin_unlock_irq(shost->host_lock); | |
718 | lpfc_can_disctmo(vport); | |
719 | lpfc_end_rscn(vport); | |
720 | } | |
721 | } | |
2e0fef85 | 722 | } /* If our portname was less */ |
dea3101e | 723 | |
c9f8735b JW |
724 | return ndlp->nlp_state; |
725 | } | |
726 | ||
92d7f7b0 JS |
727 | static uint32_t |
728 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
729 | void *arg, uint32_t evt) | |
730 | { | |
731 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
732 | struct ls_rjt stat; | |
733 | ||
734 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
735 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
736 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 737 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
738 | return ndlp->nlp_state; |
739 | } | |
740 | ||
c9f8735b | 741 | static uint32_t |
2e0fef85 JS |
742 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
743 | void *arg, uint32_t evt) | |
c9f8735b | 744 | { |
2e0fef85 | 745 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 746 | |
92d7f7b0 | 747 | /* software abort outstanding PLOGI */ |
2e0fef85 | 748 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 749 | |
2e0fef85 | 750 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 751 | return ndlp->nlp_state; |
dea3101e JB |
752 | } |
753 | ||
754 | static uint32_t | |
2e0fef85 JS |
755 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
756 | void *arg, uint32_t evt) | |
dea3101e | 757 | { |
2e0fef85 JS |
758 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
759 | struct lpfc_hba *phba = vport->phba; | |
760 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
761 | |
762 | /* software abort outstanding PLOGI */ | |
07951076 | 763 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
764 | |
765 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 766 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 767 | } else { |
2e0fef85 | 768 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e JB |
769 | } |
770 | ||
2e0fef85 | 771 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 772 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 773 | spin_lock_irq(shost->host_lock); |
5024ab17 | 774 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 775 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
776 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
777 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 778 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 779 | |
c9f8735b | 780 | return ndlp->nlp_state; |
dea3101e JB |
781 | } |
782 | ||
783 | static uint32_t | |
2e0fef85 JS |
784 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
785 | struct lpfc_nodelist *ndlp, | |
786 | void *arg, | |
dea3101e JB |
787 | uint32_t evt) |
788 | { | |
2e0fef85 | 789 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 790 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 791 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 792 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e JB |
793 | uint32_t *lp; |
794 | IOCB_t *irsp; | |
795 | struct serv_parm *sp; | |
796 | LPFC_MBOXQ_t *mbox; | |
797 | ||
798 | cmdiocb = (struct lpfc_iocbq *) arg; | |
799 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
800 | ||
801 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 802 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 803 | return ndlp->nlp_state; |
dea3101e JB |
804 | } |
805 | ||
806 | irsp = &rspiocb->iocb; | |
807 | ||
808 | if (irsp->ulpStatus) | |
809 | goto out; | |
810 | ||
811 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
812 | ||
2e0fef85 | 813 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 814 | |
2e0fef85 | 815 | lp = (uint32_t *) prsp->virt; |
dea3101e | 816 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
817 | |
818 | /* Some switches have FDMI servers returning 0 for WWN */ | |
819 | if ((ndlp->nlp_DID != FDMI_DID) && | |
820 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
821 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
822 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
823 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
824 | goto out; | |
825 | } | |
2e0fef85 | 826 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3)) |
dea3101e | 827 | goto out; |
dea3101e | 828 | /* PLOGI chkparm OK */ |
e8b62011 JS |
829 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
830 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
831 | ndlp->nlp_DID, ndlp->nlp_state, | |
832 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 833 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 834 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 835 | else |
dea3101e | 836 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 837 | |
dea3101e JB |
838 | ndlp->nlp_class_sup = 0; |
839 | if (sp->cls1.classValid) | |
840 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
841 | if (sp->cls2.classValid) | |
842 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
843 | if (sp->cls3.classValid) | |
844 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
845 | if (sp->cls4.classValid) | |
846 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
847 | ndlp->nlp_maxframe = | |
2e0fef85 | 848 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 849 | |
2e0fef85 | 850 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 851 | if (!mbox) { |
e8b62011 JS |
852 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
853 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 854 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
855 | ndlp->nlp_DID, ndlp->nlp_state, |
856 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 857 | goto out; |
92d7f7b0 | 858 | } |
dea3101e | 859 | |
2e0fef85 JS |
860 | lpfc_unreg_rpi(vport, ndlp); |
861 | ||
92d7f7b0 JS |
862 | if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
863 | (uint8_t *) sp, mbox, 0) == 0) { | |
2fe165b6 | 864 | switch (ndlp->nlp_DID) { |
dea3101e | 865 | case NameServer_DID: |
de0c5b32 | 866 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e JB |
867 | break; |
868 | case FDMI_DID: | |
de0c5b32 | 869 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e JB |
870 | break; |
871 | default: | |
de0c5b32 | 872 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 873 | } |
329f9bc7 | 874 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 875 | mbox->vport = vport; |
0b727fea | 876 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 877 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
878 | lpfc_nlp_set_state(vport, ndlp, |
879 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 880 | return ndlp->nlp_state; |
dea3101e | 881 | } |
fa4066b6 JS |
882 | /* decrement node reference count to the failed mbox |
883 | * command | |
884 | */ | |
329f9bc7 | 885 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 886 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
887 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
888 | kfree(mp); | |
dea3101e | 889 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 890 | |
e8b62011 JS |
891 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
892 | "0134 PLOGI: cannot issue reg_login " | |
893 | "Data: x%x x%x x%x x%x\n", | |
894 | ndlp->nlp_DID, ndlp->nlp_state, | |
895 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
896 | } else { |
897 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 898 | |
e8b62011 JS |
899 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
900 | "0135 PLOGI: cannot format reg_login " | |
901 | "Data: x%x x%x x%x x%x\n", | |
902 | ndlp->nlp_DID, ndlp->nlp_state, | |
903 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
904 | } |
905 | ||
906 | ||
92d7f7b0 JS |
907 | out: |
908 | if (ndlp->nlp_DID == NameServer_DID) { | |
909 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
910 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
911 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
912 | } |
913 | ||
0ff10d46 | 914 | spin_lock_irq(shost->host_lock); |
a8adb832 | 915 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 916 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 917 | return NLP_STE_FREED_NODE; |
dea3101e JB |
918 | } |
919 | ||
0ff10d46 JS |
920 | static uint32_t |
921 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
922 | void *arg, uint32_t evt) | |
923 | { | |
924 | return ndlp->nlp_state; | |
925 | } | |
926 | ||
927 | static uint32_t | |
928 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
929 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
930 | { | |
931 | return ndlp->nlp_state; | |
932 | } | |
933 | ||
dea3101e | 934 | static uint32_t |
2e0fef85 JS |
935 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
936 | void *arg, uint32_t evt) | |
dea3101e | 937 | { |
2e0fef85 JS |
938 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
939 | ||
940 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
941 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 942 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 943 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 944 | return ndlp->nlp_state; |
2e0fef85 | 945 | } else { |
a0f9b48d | 946 | /* software abort outstanding PLOGI */ |
2e0fef85 | 947 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 948 | |
2e0fef85 | 949 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
950 | return NLP_STE_FREED_NODE; |
951 | } | |
dea3101e JB |
952 | } |
953 | ||
954 | static uint32_t | |
2e0fef85 JS |
955 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
956 | struct lpfc_nodelist *ndlp, | |
957 | void *arg, | |
958 | uint32_t evt) | |
dea3101e | 959 | { |
2e0fef85 JS |
960 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
961 | struct lpfc_hba *phba = vport->phba; | |
962 | ||
92d7f7b0 JS |
963 | /* Don't do anything that will mess up processing of the |
964 | * previous RSCN. | |
965 | */ | |
966 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
967 | return ndlp->nlp_state; | |
968 | ||
dea3101e | 969 | /* software abort outstanding PLOGI */ |
07951076 | 970 | lpfc_els_abort(phba, ndlp); |
dea3101e | 971 | |
5024ab17 | 972 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 973 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 974 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 975 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 976 | spin_unlock_irq(shost->host_lock); |
dea3101e | 977 | |
c9f8735b | 978 | return ndlp->nlp_state; |
dea3101e JB |
979 | } |
980 | ||
981 | static uint32_t | |
2e0fef85 JS |
982 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
983 | void *arg, uint32_t evt) | |
dea3101e | 984 | { |
0d2b6b83 | 985 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 986 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
987 | struct lpfc_iocbq *cmdiocb; |
988 | ||
989 | /* software abort outstanding ADISC */ | |
07951076 | 990 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
991 | |
992 | cmdiocb = (struct lpfc_iocbq *) arg; | |
993 | ||
0d2b6b83 JS |
994 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
995 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
996 | spin_lock_irq(shost->host_lock); | |
997 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
998 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 999 | if (vport->num_disc_nodes) |
0d2b6b83 | 1000 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1001 | } |
1002 | return ndlp->nlp_state; | |
1003 | } | |
5024ab17 | 1004 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1005 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1006 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1007 | |
c9f8735b | 1008 | return ndlp->nlp_state; |
dea3101e JB |
1009 | } |
1010 | ||
1011 | static uint32_t | |
2e0fef85 JS |
1012 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1013 | void *arg, uint32_t evt) | |
dea3101e | 1014 | { |
2e0fef85 | 1015 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1016 | |
2e0fef85 | 1017 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1018 | return ndlp->nlp_state; |
dea3101e JB |
1019 | } |
1020 | ||
1021 | static uint32_t | |
2e0fef85 JS |
1022 | lpfc_rcv_logo_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 JB |
1026 | struct lpfc_iocbq *cmdiocb; |
1027 | ||
1028 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1029 | ||
1030 | /* software abort outstanding ADISC */ | |
07951076 | 1031 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1032 | |
2e0fef85 | 1033 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1034 | return ndlp->nlp_state; |
dea3101e JB |
1035 | } |
1036 | ||
1037 | static uint32_t | |
2e0fef85 JS |
1038 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1039 | struct lpfc_nodelist *ndlp, | |
1040 | void *arg, uint32_t evt) | |
dea3101e JB |
1041 | { |
1042 | struct lpfc_iocbq *cmdiocb; | |
1043 | ||
1044 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1045 | ||
2e0fef85 | 1046 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1047 | return ndlp->nlp_state; |
dea3101e JB |
1048 | } |
1049 | ||
1050 | static uint32_t | |
2e0fef85 JS |
1051 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1052 | void *arg, uint32_t evt) | |
dea3101e JB |
1053 | { |
1054 | struct lpfc_iocbq *cmdiocb; | |
1055 | ||
1056 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1057 | ||
1058 | /* Treat like rcv logo */ | |
2e0fef85 | 1059 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1060 | return ndlp->nlp_state; |
dea3101e JB |
1061 | } |
1062 | ||
1063 | static uint32_t | |
2e0fef85 JS |
1064 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1065 | struct lpfc_nodelist *ndlp, | |
1066 | void *arg, uint32_t evt) | |
dea3101e | 1067 | { |
2e0fef85 JS |
1068 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1069 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1070 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1071 | IOCB_t *irsp; | |
1072 | ADISC *ap; | |
1073 | ||
1074 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1075 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1076 | ||
1077 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1078 | irsp = &rspiocb->iocb; | |
1079 | ||
1080 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1081 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e JB |
1082 | /* 1 sec timeout */ |
1083 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1084 | spin_lock_irq(shost->host_lock); |
dea3101e | 1085 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1086 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1087 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1088 | |
2e0fef85 JS |
1089 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1090 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1091 | |
5024ab17 | 1092 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1093 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1094 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1095 | return ndlp->nlp_state; |
dea3101e | 1096 | } |
5024ab17 | 1097 | |
2501322e | 1098 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1099 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1100 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1101 | } else { |
5024ab17 | 1102 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1103 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1104 | } |
c9f8735b | 1105 | return ndlp->nlp_state; |
dea3101e JB |
1106 | } |
1107 | ||
1108 | static uint32_t | |
2e0fef85 JS |
1109 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1110 | void *arg, uint32_t evt) | |
dea3101e | 1111 | { |
2e0fef85 JS |
1112 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1113 | ||
1114 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1115 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1116 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1117 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1118 | return ndlp->nlp_state; |
2e0fef85 | 1119 | } else { |
a0f9b48d | 1120 | /* software abort outstanding ADISC */ |
2e0fef85 | 1121 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1122 | |
2e0fef85 | 1123 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1124 | return NLP_STE_FREED_NODE; |
1125 | } | |
dea3101e JB |
1126 | } |
1127 | ||
1128 | static uint32_t | |
2e0fef85 JS |
1129 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1130 | struct lpfc_nodelist *ndlp, | |
1131 | void *arg, | |
1132 | uint32_t evt) | |
dea3101e | 1133 | { |
2e0fef85 JS |
1134 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1135 | struct lpfc_hba *phba = vport->phba; | |
1136 | ||
92d7f7b0 JS |
1137 | /* Don't do anything that will mess up processing of the |
1138 | * previous RSCN. | |
1139 | */ | |
1140 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1141 | return ndlp->nlp_state; | |
1142 | ||
dea3101e | 1143 | /* software abort outstanding ADISC */ |
07951076 | 1144 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1145 | |
5024ab17 | 1146 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1147 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1148 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1149 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1150 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1151 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1152 | return ndlp->nlp_state; |
dea3101e JB |
1153 | } |
1154 | ||
1155 | static uint32_t | |
2e0fef85 JS |
1156 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1157 | struct lpfc_nodelist *ndlp, | |
1158 | void *arg, | |
dea3101e JB |
1159 | uint32_t evt) |
1160 | { | |
2e0fef85 | 1161 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1162 | |
2e0fef85 | 1163 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1164 | return ndlp->nlp_state; |
dea3101e JB |
1165 | } |
1166 | ||
1167 | static uint32_t | |
2e0fef85 JS |
1168 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1169 | struct lpfc_nodelist *ndlp, | |
1170 | void *arg, | |
dea3101e JB |
1171 | uint32_t evt) |
1172 | { | |
2e0fef85 | 1173 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1174 | |
2e0fef85 | 1175 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1176 | return ndlp->nlp_state; |
dea3101e JB |
1177 | } |
1178 | ||
1179 | static uint32_t | |
2e0fef85 JS |
1180 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1181 | struct lpfc_nodelist *ndlp, | |
1182 | void *arg, | |
dea3101e JB |
1183 | uint32_t evt) |
1184 | { | |
2e0fef85 JS |
1185 | struct lpfc_hba *phba = vport->phba; |
1186 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1187 | LPFC_MBOXQ_t *mb; |
1188 | LPFC_MBOXQ_t *nextmb; | |
1189 | struct lpfc_dmabuf *mp; | |
dea3101e JB |
1190 | |
1191 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1192 | ||
7054a606 JS |
1193 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1194 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1195 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1196 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
92d7f7b0 | 1197 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1198 | mb->context2 = NULL; |
1199 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1200 | } | |
1201 | } | |
1202 | ||
2e0fef85 | 1203 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1204 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1205 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 JS |
1206 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
1207 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1208 | if (mp) { | |
98c9ea5c | 1209 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1210 | kfree(mp); |
1211 | } | |
92d7f7b0 | 1212 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1213 | list_del(&mb->list); |
1214 | mempool_free(mb, phba->mbox_mem_pool); | |
1215 | } | |
1216 | } | |
2e0fef85 | 1217 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1218 | |
2e0fef85 | 1219 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1220 | return ndlp->nlp_state; |
dea3101e JB |
1221 | } |
1222 | ||
1223 | static uint32_t | |
2e0fef85 JS |
1224 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1225 | struct lpfc_nodelist *ndlp, | |
1226 | void *arg, | |
dea3101e JB |
1227 | uint32_t evt) |
1228 | { | |
2e0fef85 | 1229 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1230 | |
2e0fef85 | 1231 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1232 | return ndlp->nlp_state; |
dea3101e JB |
1233 | } |
1234 | ||
1235 | static uint32_t | |
2e0fef85 JS |
1236 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1237 | struct lpfc_nodelist *ndlp, | |
1238 | void *arg, | |
dea3101e JB |
1239 | uint32_t evt) |
1240 | { | |
1241 | struct lpfc_iocbq *cmdiocb; | |
1242 | ||
1243 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1244 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1245 | return ndlp->nlp_state; |
dea3101e JB |
1246 | } |
1247 | ||
1248 | static uint32_t | |
2e0fef85 JS |
1249 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1250 | struct lpfc_nodelist *ndlp, | |
1251 | void *arg, | |
1252 | uint32_t evt) | |
dea3101e | 1253 | { |
2e0fef85 | 1254 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1255 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1256 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1257 | uint32_t did = mb->un.varWords[1]; |
dea3101e | 1258 | |
dea3101e JB |
1259 | if (mb->mbxStatus) { |
1260 | /* RegLogin failed */ | |
e8b62011 JS |
1261 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1262 | "0246 RegLogin failed Data: x%x x%x x%x\n", | |
2e0fef85 | 1263 | did, mb->mbxStatus, vport->port_state); |
d0e56dad JS |
1264 | /* |
1265 | * If RegLogin failed due to lack of HBA resources do not | |
1266 | * retry discovery. | |
1267 | */ | |
1268 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1269 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1270 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1271 | return ndlp->nlp_state; |
1272 | } | |
1273 | ||
2e0fef85 | 1274 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1275 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1276 | spin_lock_irq(shost->host_lock); |
dea3101e | 1277 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1278 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1279 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1280 | |
2e0fef85 | 1281 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1282 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1283 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1284 | return ndlp->nlp_state; |
dea3101e JB |
1285 | } |
1286 | ||
dea3101e | 1287 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e JB |
1288 | |
1289 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1290 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1291 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1292 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1293 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1294 | } else { |
5024ab17 | 1295 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1296 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1297 | } |
c9f8735b | 1298 | return ndlp->nlp_state; |
dea3101e JB |
1299 | } |
1300 | ||
1301 | static uint32_t | |
2e0fef85 JS |
1302 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1303 | struct lpfc_nodelist *ndlp, | |
1304 | void *arg, | |
dea3101e JB |
1305 | uint32_t evt) |
1306 | { | |
2e0fef85 JS |
1307 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1308 | ||
1309 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1310 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1311 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1312 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1313 | return ndlp->nlp_state; |
2e0fef85 JS |
1314 | } else { |
1315 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1316 | return NLP_STE_FREED_NODE; |
1317 | } | |
dea3101e JB |
1318 | } |
1319 | ||
1320 | static uint32_t | |
2e0fef85 JS |
1321 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1322 | struct lpfc_nodelist *ndlp, | |
1323 | void *arg, | |
1324 | uint32_t evt) | |
dea3101e | 1325 | { |
2e0fef85 JS |
1326 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1327 | ||
92d7f7b0 JS |
1328 | /* Don't do anything that will mess up processing of the |
1329 | * previous RSCN. | |
1330 | */ | |
1331 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1332 | return ndlp->nlp_state; | |
1333 | ||
5024ab17 | 1334 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1335 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1336 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1337 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1338 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1339 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1340 | return ndlp->nlp_state; |
dea3101e JB |
1341 | } |
1342 | ||
1343 | static uint32_t | |
2e0fef85 JS |
1344 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1345 | void *arg, uint32_t evt) | |
dea3101e JB |
1346 | { |
1347 | struct lpfc_iocbq *cmdiocb; | |
1348 | ||
1349 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1350 | ||
2e0fef85 | 1351 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1352 | return ndlp->nlp_state; |
dea3101e JB |
1353 | } |
1354 | ||
1355 | static uint32_t | |
2e0fef85 JS |
1356 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1357 | void *arg, uint32_t evt) | |
dea3101e | 1358 | { |
2e0fef85 | 1359 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1360 | |
2e0fef85 | 1361 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1362 | return ndlp->nlp_state; |
dea3101e JB |
1363 | } |
1364 | ||
1365 | static uint32_t | |
2e0fef85 JS |
1366 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1367 | void *arg, uint32_t evt) | |
dea3101e | 1368 | { |
2e0fef85 | 1369 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e JB |
1370 | |
1371 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1372 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1373 | |
2e0fef85 | 1374 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1375 | return ndlp->nlp_state; |
dea3101e JB |
1376 | } |
1377 | ||
1378 | static uint32_t | |
2e0fef85 JS |
1379 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1380 | void *arg, uint32_t evt) | |
dea3101e | 1381 | { |
2e0fef85 | 1382 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1383 | |
2e0fef85 | 1384 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1385 | return ndlp->nlp_state; |
dea3101e JB |
1386 | } |
1387 | ||
1388 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1389 | * we are logged into. We should send back a PRLO rsp setting the | |
1390 | * appropriate bits. | |
1391 | * NEXT STATE = PRLI_ISSUE | |
1392 | */ | |
1393 | static uint32_t | |
2e0fef85 JS |
1394 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1395 | void *arg, uint32_t evt) | |
dea3101e | 1396 | { |
2e0fef85 | 1397 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1398 | |
51ef4c26 | 1399 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1400 | return ndlp->nlp_state; |
dea3101e JB |
1401 | } |
1402 | ||
1403 | static uint32_t | |
2e0fef85 JS |
1404 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1405 | void *arg, uint32_t evt) | |
dea3101e | 1406 | { |
92d7f7b0 | 1407 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1408 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1409 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1410 | IOCB_t *irsp; |
1411 | PRLI *npr; | |
1412 | ||
1413 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1414 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1415 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1416 | ||
1417 | irsp = &rspiocb->iocb; | |
1418 | if (irsp->ulpStatus) { | |
858c9f6c | 1419 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1420 | vport->cfg_restrict_login) { |
858c9f6c JS |
1421 | goto out; |
1422 | } | |
5024ab17 | 1423 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1424 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1425 | return ndlp->nlp_state; |
dea3101e JB |
1426 | } |
1427 | ||
1428 | /* Check out PRLI rsp */ | |
1429 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1430 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1431 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1432 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1433 | if (npr->initiatorFunc) | |
1434 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1435 | if (npr->targetFunc) | |
1436 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1437 | if (npr->Retry) | |
1438 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1439 | } | |
92d7f7b0 JS |
1440 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1441 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1442 | vport->cfg_restrict_login) { |
858c9f6c | 1443 | out: |
92d7f7b0 JS |
1444 | spin_lock_irq(shost->host_lock); |
1445 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1446 | spin_unlock_irq(shost->host_lock); | |
1447 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1448 | ||
1449 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1450 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1451 | return ndlp->nlp_state; |
1452 | } | |
dea3101e | 1453 | |
5024ab17 | 1454 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1455 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1456 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1457 | else | |
1458 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1459 | return ndlp->nlp_state; |
dea3101e JB |
1460 | } |
1461 | ||
1462 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1463 | * |
1464 | * \pre | |
1465 | * \post | |
1466 | * \param phba | |
1467 | * \param ndlp | |
1468 | * \param arg | |
1469 | * \param evt | |
1470 | * \return uint32_t | |
1471 | * | |
1472 | * \b Description: | |
1473 | * This routine is envoked when we a request to remove a nport we are in the | |
1474 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1475 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1476 | * on plogi list so it can be freed when LOGO completes. | |
1477 | * | |
1478 | */ | |
1479 | ||
dea3101e | 1480 | static uint32_t |
2e0fef85 JS |
1481 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1482 | void *arg, uint32_t evt) | |
dea3101e | 1483 | { |
2e0fef85 JS |
1484 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1485 | ||
1486 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1487 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1488 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1489 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1490 | return ndlp->nlp_state; |
2e0fef85 | 1491 | } else { |
a0f9b48d | 1492 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1493 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1494 | |
2e0fef85 | 1495 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1496 | return NLP_STE_FREED_NODE; |
1497 | } | |
dea3101e JB |
1498 | } |
1499 | ||
1500 | ||
1501 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1502 | * |
1503 | * \pre | |
1504 | * \post | |
1505 | * \param phba | |
1506 | * \param ndlp | |
1507 | * \param arg | |
1508 | * \param evt | |
1509 | * \return uint32_t | |
1510 | * | |
1511 | * \b Description: | |
1512 | * The routine is envoked when the state of a device is unknown, like | |
1513 | * during a link down. We should remove the nodelist entry from the | |
1514 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1515 | * outstanding PRLI command, then free the node entry. | |
1516 | */ | |
dea3101e | 1517 | static uint32_t |
2e0fef85 JS |
1518 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1519 | struct lpfc_nodelist *ndlp, | |
1520 | void *arg, | |
1521 | uint32_t evt) | |
dea3101e | 1522 | { |
2e0fef85 JS |
1523 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1524 | struct lpfc_hba *phba = vport->phba; | |
1525 | ||
92d7f7b0 JS |
1526 | /* Don't do anything that will mess up processing of the |
1527 | * previous RSCN. | |
1528 | */ | |
1529 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1530 | return ndlp->nlp_state; | |
1531 | ||
dea3101e | 1532 | /* software abort outstanding PRLI */ |
07951076 | 1533 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1534 | |
5024ab17 | 1535 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1536 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1537 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1538 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1539 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1540 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1541 | return ndlp->nlp_state; |
dea3101e JB |
1542 | } |
1543 | ||
1544 | static uint32_t | |
2e0fef85 JS |
1545 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1546 | void *arg, uint32_t evt) | |
dea3101e | 1547 | { |
2e0fef85 | 1548 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1549 | |
2e0fef85 | 1550 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1551 | return ndlp->nlp_state; |
dea3101e JB |
1552 | } |
1553 | ||
1554 | static uint32_t | |
2e0fef85 JS |
1555 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1556 | void *arg, uint32_t evt) | |
dea3101e | 1557 | { |
2e0fef85 | 1558 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1559 | |
2e0fef85 JS |
1560 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1561 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1562 | return ndlp->nlp_state; |
dea3101e JB |
1563 | } |
1564 | ||
1565 | static uint32_t | |
2e0fef85 JS |
1566 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1567 | void *arg, uint32_t evt) | |
dea3101e | 1568 | { |
2e0fef85 | 1569 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1570 | |
2e0fef85 | 1571 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1572 | return ndlp->nlp_state; |
dea3101e JB |
1573 | } |
1574 | ||
1575 | static uint32_t | |
2e0fef85 JS |
1576 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1577 | void *arg, uint32_t evt) | |
dea3101e | 1578 | { |
2e0fef85 | 1579 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1580 | |
2e0fef85 | 1581 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1582 | return ndlp->nlp_state; |
dea3101e JB |
1583 | } |
1584 | ||
1585 | static uint32_t | |
2e0fef85 JS |
1586 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1587 | void *arg, uint32_t evt) | |
dea3101e | 1588 | { |
2e0fef85 | 1589 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1590 | |
51ef4c26 | 1591 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1592 | return ndlp->nlp_state; |
dea3101e JB |
1593 | } |
1594 | ||
1595 | static uint32_t | |
2e0fef85 JS |
1596 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1597 | struct lpfc_nodelist *ndlp, | |
1598 | void *arg, | |
1599 | uint32_t evt) | |
dea3101e | 1600 | { |
2e0fef85 JS |
1601 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1602 | ||
5024ab17 | 1603 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1604 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1605 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1606 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1607 | spin_unlock_irq(shost->host_lock); |
1608 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1609 | |
c9f8735b | 1610 | return ndlp->nlp_state; |
dea3101e JB |
1611 | } |
1612 | ||
1613 | static uint32_t | |
2e0fef85 JS |
1614 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1615 | void *arg, uint32_t evt) | |
dea3101e | 1616 | { |
2e0fef85 | 1617 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1618 | |
2e0fef85 | 1619 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1620 | return ndlp->nlp_state; |
dea3101e JB |
1621 | } |
1622 | ||
1623 | static uint32_t | |
2e0fef85 JS |
1624 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1625 | void *arg, uint32_t evt) | |
dea3101e | 1626 | { |
2e0fef85 | 1627 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1628 | |
2e0fef85 | 1629 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1630 | return ndlp->nlp_state; |
dea3101e JB |
1631 | } |
1632 | ||
1633 | static uint32_t | |
2e0fef85 JS |
1634 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1635 | void *arg, uint32_t evt) | |
dea3101e | 1636 | { |
2e0fef85 | 1637 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1638 | |
2e0fef85 | 1639 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1640 | return ndlp->nlp_state; |
dea3101e JB |
1641 | } |
1642 | ||
1643 | static uint32_t | |
2e0fef85 JS |
1644 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1645 | struct lpfc_nodelist *ndlp, | |
1646 | void *arg, uint32_t evt) | |
dea3101e | 1647 | { |
2e0fef85 | 1648 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1649 | |
2e0fef85 | 1650 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1651 | return ndlp->nlp_state; |
dea3101e JB |
1652 | } |
1653 | ||
1654 | static uint32_t | |
2e0fef85 JS |
1655 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1656 | void *arg, uint32_t evt) | |
dea3101e | 1657 | { |
2e0fef85 JS |
1658 | struct lpfc_hba *phba = vport->phba; |
1659 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1660 | |
1661 | /* flush the target */ | |
51ef4c26 JS |
1662 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
1663 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e JB |
1664 | |
1665 | /* Treat like rcv logo */ | |
2e0fef85 | 1666 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1667 | return ndlp->nlp_state; |
dea3101e JB |
1668 | } |
1669 | ||
1670 | static uint32_t | |
2e0fef85 JS |
1671 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
1672 | struct lpfc_nodelist *ndlp, | |
1673 | void *arg, | |
1674 | uint32_t evt) | |
dea3101e | 1675 | { |
2e0fef85 JS |
1676 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1677 | ||
5024ab17 | 1678 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
1679 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1680 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1681 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1682 | spin_unlock_irq(shost->host_lock); |
1683 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 1684 | return ndlp->nlp_state; |
dea3101e JB |
1685 | } |
1686 | ||
1687 | static uint32_t | |
2e0fef85 JS |
1688 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1689 | void *arg, uint32_t evt) | |
dea3101e | 1690 | { |
2e0fef85 JS |
1691 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1692 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1693 | |
1694 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 1695 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 1696 | return ndlp->nlp_state; |
2e0fef85 | 1697 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 1698 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 1699 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 1700 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 1701 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
1702 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
1703 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1704 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1705 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
1706 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
1707 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
1708 | } | |
dea3101e | 1709 | } |
c9f8735b | 1710 | return ndlp->nlp_state; |
dea3101e JB |
1711 | } |
1712 | ||
1713 | static uint32_t | |
2e0fef85 JS |
1714 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1715 | void *arg, uint32_t evt) | |
dea3101e | 1716 | { |
2e0fef85 JS |
1717 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1718 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1719 | struct ls_rjt stat; | |
dea3101e JB |
1720 | |
1721 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1722 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1723 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1724 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e JB |
1725 | |
1726 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1727 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 1728 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1729 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1730 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1731 | spin_unlock_irq(shost->host_lock); |
1732 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
1733 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1734 | } else { |
5024ab17 | 1735 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1736 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1737 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
1738 | } |
1739 | } | |
c9f8735b | 1740 | return ndlp->nlp_state; |
dea3101e JB |
1741 | } |
1742 | ||
1743 | static uint32_t | |
2e0fef85 JS |
1744 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1745 | void *arg, uint32_t evt) | |
dea3101e | 1746 | { |
2e0fef85 | 1747 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1748 | |
2e0fef85 | 1749 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1750 | return ndlp->nlp_state; |
dea3101e JB |
1751 | } |
1752 | ||
1753 | static uint32_t | |
2e0fef85 JS |
1754 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1755 | void *arg, uint32_t evt) | |
dea3101e | 1756 | { |
2e0fef85 | 1757 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1758 | |
2e0fef85 | 1759 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
1760 | /* |
1761 | * Do not start discovery if discovery is about to start | |
1762 | * or discovery in progress for this node. Starting discovery | |
1763 | * here will affect the counting of discovery threads. | |
1764 | */ | |
2fb9bd8b | 1765 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 1766 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 1767 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 1768 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1769 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1770 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1771 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1772 | } else { |
5024ab17 | 1773 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1774 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1775 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
1776 | } |
1777 | } | |
c9f8735b | 1778 | return ndlp->nlp_state; |
dea3101e JB |
1779 | } |
1780 | ||
1781 | static uint32_t | |
2e0fef85 JS |
1782 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1783 | void *arg, uint32_t evt) | |
dea3101e | 1784 | { |
2e0fef85 JS |
1785 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1786 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1787 | |
2e0fef85 | 1788 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1789 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 1790 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1791 | |
51ef4c26 | 1792 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 1793 | |
2e0fef85 | 1794 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 1795 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1796 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
1797 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
1798 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 1799 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1800 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 1801 | } else { |
2e0fef85 | 1802 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1803 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1804 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1805 | } |
c9f8735b JW |
1806 | return ndlp->nlp_state; |
1807 | } | |
dea3101e | 1808 | |
c9f8735b | 1809 | static uint32_t |
2e0fef85 JS |
1810 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1811 | void *arg, uint32_t evt) | |
c9f8735b JW |
1812 | { |
1813 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1814 | IOCB_t *irsp; |
c9f8735b JW |
1815 | |
1816 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1817 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1818 | |
1819 | irsp = &rspiocb->iocb; | |
1820 | if (irsp->ulpStatus) { | |
a8adb832 | 1821 | ndlp->nlp_flag |= NLP_DEFER_RM; |
a0f9b48d JS |
1822 | return NLP_STE_FREED_NODE; |
1823 | } | |
c9f8735b JW |
1824 | return ndlp->nlp_state; |
1825 | } | |
1826 | ||
1827 | static uint32_t | |
2e0fef85 JS |
1828 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1829 | void *arg, uint32_t evt) | |
c9f8735b JW |
1830 | { |
1831 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1832 | IOCB_t *irsp; |
c9f8735b JW |
1833 | |
1834 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1835 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1836 | |
1837 | irsp = &rspiocb->iocb; | |
1838 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1839 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1840 | return NLP_STE_FREED_NODE; |
1841 | } | |
c9f8735b | 1842 | return ndlp->nlp_state; |
dea3101e JB |
1843 | } |
1844 | ||
1845 | static uint32_t | |
2e0fef85 JS |
1846 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1847 | void *arg, uint32_t evt) | |
dea3101e | 1848 | { |
d7c255b2 JS |
1849 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1850 | if (ndlp->nlp_DID == Fabric_DID) { | |
1851 | spin_lock_irq(shost->host_lock); | |
1852 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1853 | spin_unlock_irq(shost->host_lock); | |
1854 | } | |
2e0fef85 | 1855 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
1856 | return ndlp->nlp_state; |
1857 | } | |
1858 | ||
1859 | static uint32_t | |
2e0fef85 JS |
1860 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1861 | void *arg, uint32_t evt) | |
c9f8735b JW |
1862 | { |
1863 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1864 | IOCB_t *irsp; |
c9f8735b JW |
1865 | |
1866 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1867 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1868 | |
1869 | irsp = &rspiocb->iocb; | |
1870 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1871 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1872 | return NLP_STE_FREED_NODE; |
1873 | } | |
c9f8735b | 1874 | return ndlp->nlp_state; |
dea3101e JB |
1875 | } |
1876 | ||
1877 | static uint32_t | |
2e0fef85 JS |
1878 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
1879 | struct lpfc_nodelist *ndlp, | |
1880 | void *arg, uint32_t evt) | |
dea3101e | 1881 | { |
2e0fef85 | 1882 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1883 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 1884 | |
04c68496 | 1885 | if (!mb->mbxStatus) { |
c9f8735b | 1886 | ndlp->nlp_rpi = mb->un.varWords[0]; |
04c68496 JS |
1887 | ndlp->nlp_flag |= NLP_RPI_VALID; |
1888 | } else { | |
a0f9b48d | 1889 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 1890 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1891 | return NLP_STE_FREED_NODE; |
1892 | } | |
1893 | } | |
c9f8735b | 1894 | return ndlp->nlp_state; |
dea3101e JB |
1895 | } |
1896 | ||
1897 | static uint32_t | |
2e0fef85 JS |
1898 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1899 | void *arg, uint32_t evt) | |
dea3101e | 1900 | { |
2e0fef85 JS |
1901 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1902 | ||
a0f9b48d | 1903 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 1904 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1905 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1906 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
1907 | return ndlp->nlp_state; |
1908 | } | |
2e0fef85 | 1909 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 1910 | return NLP_STE_FREED_NODE; |
dea3101e JB |
1911 | } |
1912 | ||
1913 | static uint32_t | |
2e0fef85 JS |
1914 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1915 | void *arg, uint32_t evt) | |
dea3101e | 1916 | { |
2e0fef85 JS |
1917 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1918 | ||
92d7f7b0 JS |
1919 | /* Don't do anything that will mess up processing of the |
1920 | * previous RSCN. | |
1921 | */ | |
1922 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1923 | return ndlp->nlp_state; | |
1924 | ||
eaf15d5b | 1925 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 1926 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1927 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1928 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1929 | return ndlp->nlp_state; |
dea3101e JB |
1930 | } |
1931 | ||
1932 | ||
1933 | /* This next section defines the NPort Discovery State Machine */ | |
1934 | ||
1935 | /* There are 4 different double linked lists nodelist entries can reside on. | |
1936 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
1937 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
1938 | * or ADISC on. These lists will keep track of what nodes will be effected | |
1939 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
1940 | * The unmapped_list will contain all nodes that we have successfully logged | |
1941 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
1942 | * that are mapped FCP targets. | |
1943 | */ | |
1944 | /* | |
1945 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
1946 | * that we have saved binding information on. This information is used when | |
1947 | * nodes transition from the unmapped to the mapped list. | |
1948 | */ | |
1949 | /* For UNUSED_NODE state, the node has just been allocated . | |
1950 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
1951 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
1952 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
1953 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
1954 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
1955 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
1956 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
1957 | * node, the node is taken off the unmapped list. The binding list is checked | |
1958 | * for a valid binding, or a binding is automatically assigned. If binding | |
1959 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
1960 | * binding assignment is successful, the associated binding list entry (if | |
1961 | * any) is removed, and the node is placed on the mapped list. | |
1962 | */ | |
1963 | /* | |
1964 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 1965 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e JB |
1966 | * expire, all effected nodes will receive a DEVICE_RM event. |
1967 | */ | |
1968 | /* | |
1969 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
1970 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
1971 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
1972 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
1973 | * we will first process the ADISC list. 32 entries are processed initially and | |
1974 | * ADISC is initited for each one. Completions / Events for each node are | |
1975 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
1976 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
1977 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
1978 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
1979 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
1980 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
1981 | * Completions / Events for each node are funnelled thru the state machine. As | |
1982 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
1983 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
1984 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
1985 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
1986 | * unmapped lists. | |
1987 | */ | |
1988 | ||
1989 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 1990 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e JB |
1991 | /* Action routine Event Current State */ |
1992 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
1993 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
1994 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
1995 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
1996 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
1997 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
1998 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1999 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2000 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2001 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2002 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2003 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
2004 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
2005 | ||
2006 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2007 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2008 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e JB |
2009 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2010 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2011 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2012 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2013 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2014 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2015 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2016 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e JB |
2017 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2018 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2019 | ||
2020 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2021 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2022 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2023 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2024 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2025 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2026 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2027 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2028 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2029 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2030 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2031 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2032 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2033 | ||
2034 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2035 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2036 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2037 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2038 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2039 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2040 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2041 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2042 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2043 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2044 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2045 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2046 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2047 | ||
2048 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2049 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2050 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2051 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2052 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2053 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2054 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2055 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2056 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2057 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2058 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2059 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2060 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2061 | ||
2062 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
2063 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2064 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2065 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2066 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2067 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2068 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2069 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2070 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2071 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2072 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2073 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2074 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2075 | ||
2076 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2077 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2078 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2079 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2080 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2081 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2082 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2083 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2084 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2085 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2086 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2087 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2088 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2089 | ||
2090 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2091 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2092 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2093 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2094 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2095 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2096 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2097 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2098 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2099 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e JB |
2100 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2101 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2102 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2103 | }; | |
2104 | ||
2105 | int | |
2e0fef85 JS |
2106 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2107 | void *arg, uint32_t evt) | |
dea3101e JB |
2108 | { |
2109 | uint32_t cur_state, rc; | |
2e0fef85 | 2110 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2111 | uint32_t); |
e47c9093 JS |
2112 | uint32_t got_ndlp = 0; |
2113 | ||
2114 | if (lpfc_nlp_get(ndlp)) | |
2115 | got_ndlp = 1; | |
dea3101e | 2116 | |
dea3101e JB |
2117 | cur_state = ndlp->nlp_state; |
2118 | ||
2119 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2120 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2121 | "0211 DSM in event x%x on NPort x%x in " | |
2122 | "state %d Data: x%x\n", | |
2123 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2124 | |
858c9f6c JS |
2125 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2126 | "DSM in: evt:%d ste:%d did:x%x", | |
2127 | evt, cur_state, ndlp->nlp_DID); | |
2128 | ||
dea3101e | 2129 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2130 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e JB |
2131 | |
2132 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2133 | if (got_ndlp) { |
2134 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2135 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2136 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2137 | |
e47c9093 JS |
2138 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2139 | "DSM out: ste:%d did:x%x flg:x%x", | |
2140 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2141 | /* Decrement the ndlp reference count held for this function */ | |
2142 | lpfc_nlp_put(ndlp); | |
2143 | } else { | |
2144 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2145 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2146 | |
e47c9093 JS |
2147 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2148 | "DSM out: ste:%d did:x%x flg:x%x", | |
2149 | rc, 0, 0); | |
2150 | } | |
dea3101e | 2151 | |
c9f8735b | 2152 | return rc; |
dea3101e | 2153 | } |