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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/interrupt.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_transport_fc.h> | |
31 | ||
32 | #include "lpfc_hw.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_scsi.h" | |
36 | #include "lpfc.h" | |
37 | #include "lpfc_logmsg.h" | |
38 | #include "lpfc_crtn.h" | |
92d7f7b0 | 39 | #include "lpfc_vport.h" |
858c9f6c | 40 | #include "lpfc_debugfs.h" |
dea3101e | 41 | |
42 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
43 | static uint8_t lpfcAlpaArray[] = { | |
44 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
45 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
46 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
47 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
48 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
49 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
50 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
51 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
52 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
53 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
54 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
55 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
56 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
57 | }; | |
58 | ||
2e0fef85 | 59 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
dea3101e | 60 | |
c01f3208 JS |
61 | void |
62 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 63 | { |
c01f3208 JS |
64 | struct lpfc_rport_data *rdata; |
65 | struct lpfc_nodelist * ndlp; | |
66 | struct lpfc_hba *phba; | |
dea3101e | 67 | |
c01f3208 JS |
68 | rdata = rport->dd_data; |
69 | ndlp = rdata->pnode; | |
70 | ||
71 | if (!ndlp) { | |
72 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) | |
73 | printk(KERN_ERR "Cannot find remote node" | |
74 | " to terminate I/O Data x%x\n", | |
75 | rport->port_id); | |
dea3101e | 76 | return; |
77 | } | |
78 | ||
2e0fef85 | 79 | phba = ndlp->vport->phba; |
c01f3208 | 80 | |
858c9f6c JS |
81 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
82 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
83 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
84 | ||
c01f3208 JS |
85 | if (ndlp->nlp_sid != NLP_NO_SID) { |
86 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
87 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
88 | } | |
c01f3208 JS |
89 | |
90 | return; | |
91 | } | |
92 | ||
93 | /* | |
94 | * This function will be called when dev_loss_tmo fire. | |
95 | */ | |
96 | void | |
97 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
98 | { | |
99 | struct lpfc_rport_data *rdata; | |
100 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 101 | struct lpfc_vport *vport; |
858c9f6c JS |
102 | struct lpfc_hba *phba; |
103 | struct completion devloss_compl; | |
104 | struct lpfc_work_evt *evtp; | |
c01f3208 JS |
105 | |
106 | rdata = rport->dd_data; | |
107 | ndlp = rdata->pnode; | |
1a169689 | 108 | |
c01f3208 | 109 | if (!ndlp) { |
92d7f7b0 | 110 | if (rport->scsi_target_id != -1) { |
c01f3208 | 111 | printk(KERN_ERR "Cannot find remote node" |
92d7f7b0 JS |
112 | " for rport in dev_loss_tmo_callbk x%x\n", |
113 | rport->port_id); | |
114 | } | |
c01f3208 JS |
115 | return; |
116 | } | |
117 | ||
858c9f6c JS |
118 | vport = ndlp->vport; |
119 | phba = vport->phba; | |
120 | ||
121 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
122 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
123 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
124 | ||
125 | init_completion(&devloss_compl); | |
126 | evtp = &ndlp->dev_loss_evt; | |
127 | ||
128 | if (!list_empty(&evtp->evt_listp)) | |
129 | return; | |
130 | ||
131 | spin_lock_irq(&phba->hbalock); | |
132 | evtp->evt_arg1 = ndlp; | |
133 | evtp->evt_arg2 = &devloss_compl; | |
134 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
135 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
136 | if (phba->work_wait) | |
137 | wake_up(phba->work_wait); | |
138 | ||
139 | spin_unlock_irq(&phba->hbalock); | |
140 | ||
141 | wait_for_completion(&devloss_compl); | |
142 | ||
143 | return; | |
144 | } | |
145 | ||
146 | /* | |
147 | * This function is called from the worker thread when dev_loss_tmo | |
148 | * expire. | |
149 | */ | |
150 | void | |
151 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) | |
152 | { | |
153 | struct lpfc_rport_data *rdata; | |
154 | struct fc_rport *rport; | |
155 | struct lpfc_vport *vport; | |
156 | struct lpfc_hba *phba; | |
157 | uint8_t *name; | |
158 | int warn_on = 0; | |
159 | ||
160 | rport = ndlp->rport; | |
161 | ||
162 | if (!rport) | |
163 | return; | |
164 | ||
165 | rdata = rport->dd_data; | |
166 | name = (uint8_t *) &ndlp->nlp_portname; | |
167 | vport = ndlp->vport; | |
168 | phba = vport->phba; | |
169 | ||
170 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
171 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
172 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
173 | ||
174 | if (!(vport->load_flag & FC_UNLOADING) && | |
175 | ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
176 | return; | |
177 | ||
92d7f7b0 | 178 | if (ndlp->nlp_type & NLP_FABRIC) { |
858c9f6c JS |
179 | int put_node; |
180 | int put_rport; | |
181 | ||
92d7f7b0 JS |
182 | /* We will clean up these Nodes in linkup */ |
183 | put_node = rdata->pnode != NULL; | |
184 | put_rport = ndlp->rport != NULL; | |
185 | rdata->pnode = NULL; | |
186 | ndlp->rport = NULL; | |
187 | if (put_node) | |
188 | lpfc_nlp_put(ndlp); | |
189 | if (put_rport) | |
190 | put_device(&rport->dev); | |
82085718 | 191 | return; |
92d7f7b0 | 192 | } |
82085718 | 193 | |
dea3101e | 194 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 195 | warn_on = 1; |
dea3101e | 196 | /* flush the target */ |
197 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
92d7f7b0 | 198 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); |
dea3101e | 199 | } |
2e0fef85 | 200 | if (vport->load_flag & FC_UNLOADING) |
c01f3208 JS |
201 | warn_on = 0; |
202 | ||
6e8215e4 JSEC |
203 | if (warn_on) { |
204 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 | 205 | "%d (%d):0203 Devloss timeout on " |
488d1469 JS |
206 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
207 | "NPort x%x Data: x%x x%x x%x\n", | |
92d7f7b0 | 208 | phba->brd_no, vport->vpi, |
488d1469 JS |
209 | *name, *(name+1), *(name+2), *(name+3), |
210 | *(name+4), *(name+5), *(name+6), *(name+7), | |
211 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
212 | ndlp->nlp_state, ndlp->nlp_rpi); |
213 | } else { | |
214 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 215 | "%d (%d):0204 Devloss timeout on " |
488d1469 JS |
216 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
217 | "NPort x%x Data: x%x x%x x%x\n", | |
92d7f7b0 | 218 | phba->brd_no, vport->vpi, |
488d1469 JS |
219 | *name, *(name+1), *(name+2), *(name+3), |
220 | *(name+4), *(name+5), *(name+6), *(name+7), | |
221 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
222 | ndlp->nlp_state, ndlp->nlp_rpi); |
223 | } | |
224 | ||
2e0fef85 | 225 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 226 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 JS |
227 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
228 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) | |
2e0fef85 | 229 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
1dcb58e5 | 230 | else { |
858c9f6c JS |
231 | int put_node; |
232 | int put_rport; | |
233 | ||
92d7f7b0 JS |
234 | put_node = rdata->pnode != NULL; |
235 | put_rport = ndlp->rport != NULL; | |
1dcb58e5 JS |
236 | rdata->pnode = NULL; |
237 | ndlp->rport = NULL; | |
92d7f7b0 JS |
238 | if (put_node) |
239 | lpfc_nlp_put(ndlp); | |
240 | if (put_rport) | |
241 | put_device(&rport->dev); | |
1dcb58e5 | 242 | } |
92d7f7b0 | 243 | } |
c01f3208 | 244 | |
92d7f7b0 JS |
245 | |
246 | void | |
247 | lpfc_worker_wake_up(struct lpfc_hba *phba) | |
248 | { | |
249 | wake_up(phba->work_wait); | |
dea3101e | 250 | return; |
251 | } | |
252 | ||
253 | static void | |
2e0fef85 | 254 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 255 | { |
256 | struct lpfc_work_evt *evtp = NULL; | |
257 | struct lpfc_nodelist *ndlp; | |
92d7f7b0 | 258 | struct lpfc_vport *vport; |
dea3101e | 259 | int free_evt; |
260 | ||
2e0fef85 JS |
261 | spin_lock_irq(&phba->hbalock); |
262 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 263 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
264 | evt_listp); | |
2e0fef85 | 265 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 266 | free_evt = 1; |
2fe165b6 | 267 | switch (evtp->evt) { |
858c9f6c | 268 | case LPFC_EVT_DEV_LOSS_DELAY: |
92d7f7b0 JS |
269 | free_evt = 0; /* evt is part of ndlp */ |
270 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); | |
271 | vport = ndlp->vport; | |
272 | if (!vport) | |
273 | break; | |
858c9f6c JS |
274 | |
275 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
276 | "rport devlossdly:did:x%x flg:x%x", | |
277 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
278 | ||
92d7f7b0 JS |
279 | if (!(vport->load_flag & FC_UNLOADING) && |
280 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && | |
281 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { | |
282 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
283 | NLP_EVT_DEVICE_RM); | |
284 | } | |
285 | break; | |
dea3101e | 286 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 287 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 288 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 289 | free_evt = 0; /* evt is part of ndlp */ |
dea3101e | 290 | break; |
858c9f6c JS |
291 | case LPFC_EVT_DEV_LOSS: |
292 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
293 | lpfc_nlp_get(ndlp); | |
294 | lpfc_dev_loss_tmo_handler(ndlp); | |
295 | free_evt = 0; | |
296 | complete((struct completion *)(evtp->evt_arg2)); | |
297 | lpfc_nlp_put(ndlp); | |
298 | break; | |
dea3101e | 299 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
300 | if (phba->link_state < LPFC_LINK_DOWN) |
301 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 302 | else |
2e0fef85 | 303 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 304 | complete((struct completion *)(evtp->evt_arg2)); |
305 | break; | |
46fa311e | 306 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 307 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
308 | lpfc_offline_prep(phba); |
309 | *(int *)(evtp->evt_arg1) = 0; | |
310 | complete((struct completion *)(evtp->evt_arg2)); | |
311 | break; | |
312 | case LPFC_EVT_OFFLINE: | |
313 | lpfc_offline(phba); | |
41415862 JW |
314 | lpfc_sli_brdrestart(phba); |
315 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
316 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
317 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
318 | complete((struct completion *)(evtp->evt_arg2)); |
319 | break; | |
320 | case LPFC_EVT_WARM_START: | |
46fa311e | 321 | lpfc_offline(phba); |
9290831f | 322 | lpfc_reset_barrier(phba); |
41415862 JW |
323 | lpfc_sli_brdreset(phba); |
324 | lpfc_hba_down_post(phba); | |
325 | *(int *)(evtp->evt_arg1) = | |
326 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 327 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
328 | complete((struct completion *)(evtp->evt_arg2)); |
329 | break; | |
330 | case LPFC_EVT_KILL: | |
46fa311e | 331 | lpfc_offline(phba); |
9290831f | 332 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
333 | = (phba->pport->stopped) |
334 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 335 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 336 | complete((struct completion *)(evtp->evt_arg2)); |
337 | break; | |
338 | } | |
339 | if (free_evt) | |
340 | kfree(evtp); | |
2e0fef85 | 341 | spin_lock_irq(&phba->hbalock); |
dea3101e | 342 | } |
2e0fef85 | 343 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 344 | |
345 | } | |
346 | ||
858c9f6c | 347 | void |
2e0fef85 | 348 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 349 | { |
350 | struct lpfc_sli_ring *pring; | |
858c9f6c | 351 | uint32_t ha_copy, status, control, work_port_events; |
2e0fef85 | 352 | struct lpfc_vport *vport; |
dea3101e | 353 | |
2e0fef85 | 354 | spin_lock_irq(&phba->hbalock); |
dea3101e | 355 | ha_copy = phba->work_ha; |
356 | phba->work_ha = 0; | |
2e0fef85 | 357 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 358 | |
2fe165b6 | 359 | if (ha_copy & HA_ERATT) |
dea3101e | 360 | lpfc_handle_eratt(phba); |
361 | ||
2fe165b6 | 362 | if (ha_copy & HA_MBATT) |
dea3101e | 363 | lpfc_sli_handle_mb_event(phba); |
364 | ||
2fe165b6 | 365 | if (ha_copy & HA_LATT) |
dea3101e | 366 | lpfc_handle_latt(phba); |
367 | ||
92d7f7b0 JS |
368 | spin_lock_irq(&phba->hbalock); |
369 | list_for_each_entry(vport, &phba->port_list, listentry) { | |
370 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 371 | |
92d7f7b0 JS |
372 | if (!scsi_host_get(shost)) { |
373 | continue; | |
374 | } | |
375 | spin_unlock_irq(&phba->hbalock); | |
376 | work_port_events = vport->work_port_events; | |
dea3101e | 377 | |
92d7f7b0 JS |
378 | if (work_port_events & WORKER_DISC_TMO) |
379 | lpfc_disc_timeout_handler(vport); | |
2e0fef85 | 380 | |
92d7f7b0 JS |
381 | if (work_port_events & WORKER_ELS_TMO) |
382 | lpfc_els_timeout_handler(vport); | |
2e0fef85 | 383 | |
858c9f6c JS |
384 | if (work_port_events & WORKER_HB_TMO) |
385 | lpfc_hb_timeout_handler(phba); | |
386 | ||
92d7f7b0 JS |
387 | if (work_port_events & WORKER_MBOX_TMO) |
388 | lpfc_mbox_timeout_handler(phba); | |
dea3101e | 389 | |
92d7f7b0 JS |
390 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) |
391 | lpfc_unblock_fabric_iocbs(phba); | |
dea3101e | 392 | |
92d7f7b0 JS |
393 | if (work_port_events & WORKER_FDMI_TMO) |
394 | lpfc_fdmi_timeout_handler(vport); | |
395 | ||
396 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) | |
397 | lpfc_ramp_down_queue_handler(phba); | |
398 | ||
399 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
400 | lpfc_ramp_up_queue_handler(phba); | |
401 | ||
402 | spin_lock_irq(&vport->work_port_lock); | |
403 | vport->work_port_events &= ~work_port_events; | |
404 | spin_unlock_irq(&vport->work_port_lock); | |
405 | scsi_host_put(shost); | |
406 | spin_lock_irq(&phba->hbalock); | |
407 | } | |
2e0fef85 | 408 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 409 | |
858c9f6c JS |
410 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
411 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
412 | status >>= (4*LPFC_ELS_RING); | |
413 | if ((status & HA_RXMASK) | |
414 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
415 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
416 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
417 | } else { | |
418 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
419 | (status & | |
420 | HA_RXMASK)); | |
421 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
422 | } | |
423 | /* | |
424 | * Turn on Ring interrupts | |
425 | */ | |
426 | spin_lock_irq(&phba->hbalock); | |
427 | control = readl(phba->HCregaddr); | |
428 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
429 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e | 430 | writel(control, phba->HCregaddr); |
431 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 432 | } |
858c9f6c | 433 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 434 | } |
2e0fef85 | 435 | lpfc_work_list_done(phba); |
dea3101e | 436 | } |
437 | ||
438 | static int | |
2e0fef85 JS |
439 | check_work_wait_done(struct lpfc_hba *phba) |
440 | { | |
92d7f7b0 JS |
441 | struct lpfc_vport *vport; |
442 | struct lpfc_sli_ring *pring; | |
858c9f6c | 443 | int rc = 0; |
ed957684 | 444 | |
2e0fef85 | 445 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 JS |
446 | list_for_each_entry(vport, &phba->port_list, listentry) { |
447 | if (vport->work_port_events) { | |
448 | rc = 1; | |
449 | goto exit; | |
450 | } | |
451 | } | |
dea3101e | 452 | |
92d7f7b0 JS |
453 | if (phba->work_ha || (!list_empty(&phba->work_list)) || |
454 | kthread_should_stop()) { | |
2e0fef85 | 455 | rc = 1; |
92d7f7b0 JS |
456 | goto exit; |
457 | } | |
858c9f6c JS |
458 | |
459 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
460 | if (pring->flag & LPFC_DEFERRED_RING_EVENT) | |
461 | rc = 1; | |
92d7f7b0 JS |
462 | exit: |
463 | if (rc) | |
464 | phba->work_found++; | |
465 | else | |
466 | phba->work_found = 0; | |
2e0fef85 JS |
467 | |
468 | spin_unlock_irq(&phba->hbalock); | |
469 | return rc; | |
dea3101e | 470 | } |
471 | ||
92d7f7b0 | 472 | |
dea3101e | 473 | int |
474 | lpfc_do_work(void *p) | |
475 | { | |
476 | struct lpfc_hba *phba = p; | |
477 | int rc; | |
7259f0d0 | 478 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq); |
dea3101e | 479 | |
480 | set_user_nice(current, -20); | |
481 | phba->work_wait = &work_waitq; | |
92d7f7b0 | 482 | phba->work_found = 0; |
dea3101e | 483 | |
484 | while (1) { | |
485 | ||
486 | rc = wait_event_interruptible(work_waitq, | |
92d7f7b0 JS |
487 | check_work_wait_done(phba)); |
488 | ||
dea3101e | 489 | BUG_ON(rc); |
490 | ||
491 | if (kthread_should_stop()) | |
492 | break; | |
493 | ||
494 | lpfc_work_done(phba); | |
495 | ||
92d7f7b0 JS |
496 | /* If there is alot of slow ring work, like during link up |
497 | * check_work_wait_done() may cause this thread to not give | |
498 | * up the CPU for very long periods of time. This may cause | |
499 | * soft lockups or other problems. To avoid these situations | |
500 | * give up the CPU here after LPFC_MAX_WORKER_ITERATION | |
501 | * consecutive iterations. | |
502 | */ | |
503 | if (phba->work_found >= LPFC_MAX_WORKER_ITERATION) { | |
504 | phba->work_found = 0; | |
505 | schedule(); | |
506 | } | |
dea3101e | 507 | } |
508 | phba->work_wait = NULL; | |
509 | return 0; | |
510 | } | |
511 | ||
512 | /* | |
513 | * This is only called to handle FC worker events. Since this a rare | |
514 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
515 | * embedding it in the IOCB. | |
516 | */ | |
517 | int | |
2e0fef85 | 518 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 519 | uint32_t evt) |
520 | { | |
521 | struct lpfc_work_evt *evtp; | |
ed957684 | 522 | unsigned long flags; |
dea3101e | 523 | |
524 | /* | |
525 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
526 | * be queued to worker thread for processing | |
527 | */ | |
92d7f7b0 | 528 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 529 | if (!evtp) |
530 | return 0; | |
531 | ||
532 | evtp->evt_arg1 = arg1; | |
533 | evtp->evt_arg2 = arg2; | |
534 | evtp->evt = evt; | |
535 | ||
ed957684 | 536 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 537 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
dea3101e | 538 | if (phba->work_wait) |
92d7f7b0 | 539 | lpfc_worker_wake_up(phba); |
ed957684 | 540 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 541 | |
542 | return 1; | |
543 | } | |
544 | ||
92d7f7b0 JS |
545 | void |
546 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
547 | { | |
548 | struct lpfc_hba *phba = vport->phba; | |
549 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
550 | int rc; | |
551 | ||
552 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
553 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
554 | continue; | |
555 | ||
556 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) | |
557 | lpfc_unreg_rpi(vport, ndlp); | |
558 | ||
559 | /* Leave Fabric nodes alone on link down */ | |
560 | if (!remove && ndlp->nlp_type & NLP_FABRIC) | |
561 | continue; | |
562 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
563 | remove | |
564 | ? NLP_EVT_DEVICE_RM | |
565 | : NLP_EVT_DEVICE_RECOVERY); | |
566 | } | |
567 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
568 | lpfc_mbx_unreg_vpi(vport); | |
569 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
570 | } | |
571 | } | |
572 | ||
573 | static void | |
574 | lpfc_linkdown_port(struct lpfc_vport *vport) | |
575 | { | |
576 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
577 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
578 | ||
579 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
580 | ||
858c9f6c JS |
581 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
582 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
583 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
584 | ||
92d7f7b0 JS |
585 | /* Cleanup any outstanding RSCN activity */ |
586 | lpfc_els_flush_rscn(vport); | |
587 | ||
588 | /* Cleanup any outstanding ELS commands */ | |
589 | lpfc_els_flush_cmd(vport); | |
590 | ||
591 | lpfc_cleanup_rpis(vport, 0); | |
592 | ||
593 | /* free any ndlp's on unused list */ | |
594 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) | |
595 | /* free any ndlp's in unused state */ | |
596 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
597 | lpfc_drop_node(vport, ndlp); | |
598 | ||
599 | /* Turn off discovery timer if its running */ | |
600 | lpfc_can_disctmo(vport); | |
601 | } | |
602 | ||
dea3101e | 603 | int |
685f0bf7 | 604 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 605 | { |
2e0fef85 JS |
606 | struct lpfc_vport *vport = phba->pport; |
607 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
92d7f7b0 | 608 | struct lpfc_vport *port_iterator; |
685f0bf7 | 609 | LPFC_MBOXQ_t *mb; |
dea3101e | 610 | |
2e0fef85 JS |
611 | if (phba->link_state == LPFC_LINK_DOWN) { |
612 | return 0; | |
c9f8735b | 613 | } |
2e0fef85 | 614 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 | 615 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 616 | phba->link_state = LPFC_LINK_DOWN; |
92d7f7b0 JS |
617 | phba->pport->fc_flag &= ~FC_LBIT; |
618 | } | |
2e0fef85 | 619 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 620 | |
92d7f7b0 JS |
621 | list_for_each_entry(port_iterator, &phba->port_list, listentry) { |
622 | ||
623 | /* Issue a LINK DOWN event to all nodes */ | |
624 | lpfc_linkdown_port(port_iterator); | |
625 | } | |
d2873e4c | 626 | |
dea3101e | 627 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
628 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
629 | if (mb) { | |
92d7f7b0 | 630 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 631 | mb->vport = vport; |
2e0fef85 | 632 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 633 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
634 | == MBX_NOT_FINISHED) { | |
2e0fef85 | 635 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 636 | } |
637 | } | |
638 | ||
dea3101e | 639 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
640 | if (phba->pport->fc_flag & FC_PT2PT) { |
641 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
642 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
643 | if (mb) { | |
dea3101e | 644 | lpfc_config_link(phba, mb); |
92d7f7b0 | 645 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 646 | mb->vport = vport; |
2e0fef85 JS |
647 | if (lpfc_sli_issue_mbox(phba, mb, |
648 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
dea3101e | 649 | == MBX_NOT_FINISHED) { |
2e0fef85 | 650 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 651 | } |
652 | } | |
2e0fef85 | 653 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 654 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 655 | spin_unlock_irq(shost->host_lock); |
dea3101e | 656 | } |
2e0fef85 | 657 | |
92d7f7b0 JS |
658 | return 0; |
659 | } | |
dea3101e | 660 | |
92d7f7b0 JS |
661 | static void |
662 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
663 | { | |
664 | struct lpfc_nodelist *ndlp; | |
dea3101e | 665 | |
92d7f7b0 JS |
666 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
667 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
668 | continue; | |
669 | ||
670 | if (ndlp->nlp_type & NLP_FABRIC) { | |
671 | /* On Linkup its safe to clean up the ndlp | |
672 | * from Fabric connections. | |
673 | */ | |
674 | if (ndlp->nlp_DID != Fabric_DID) | |
675 | lpfc_unreg_rpi(vport, ndlp); | |
676 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
677 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
678 | /* Fail outstanding IO now since device is | |
679 | * marked for PLOGI. | |
680 | */ | |
681 | lpfc_unreg_rpi(vport, ndlp); | |
682 | } | |
683 | } | |
dea3101e | 684 | } |
685 | ||
92d7f7b0 JS |
686 | static void |
687 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 688 | { |
92d7f7b0 | 689 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 690 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 JS |
691 | struct lpfc_hba *phba = vport->phba; |
692 | ||
693 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
694 | return; | |
695 | ||
858c9f6c JS |
696 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
697 | "Link Up: top:x%x speed:x%x flg:x%x", | |
698 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
699 | ||
92d7f7b0 JS |
700 | /* If NPIV is not enabled, only bring the physical port up */ |
701 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
702 | (vport != phba->pport)) | |
703 | return; | |
dea3101e | 704 | |
2e0fef85 | 705 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 706 | |
2e0fef85 | 707 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
708 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
709 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
710 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
711 | vport->fc_ns_retry = 0; | |
712 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 713 | |
92d7f7b0 JS |
714 | if (vport->fc_flag & FC_LBIT) |
715 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 716 | |
92d7f7b0 | 717 | /* free any ndlp's in unused state */ |
2e0fef85 | 718 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
92d7f7b0 | 719 | nlp_listp) |
685f0bf7 | 720 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2e0fef85 | 721 | lpfc_drop_node(vport, ndlp); |
92d7f7b0 JS |
722 | } |
723 | ||
724 | static int | |
725 | lpfc_linkup(struct lpfc_hba *phba) | |
726 | { | |
727 | struct lpfc_vport *vport; | |
728 | ||
729 | phba->link_state = LPFC_LINK_UP; | |
730 | ||
731 | /* Unblock fabric iocbs if they are blocked */ | |
732 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
733 | del_timer_sync(&phba->fabric_block_timer); | |
734 | ||
735 | list_for_each_entry(vport, &phba->port_list, listentry) { | |
736 | lpfc_linkup_port(vport); | |
685f0bf7 | 737 | } |
92d7f7b0 JS |
738 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) |
739 | lpfc_issue_clear_la(phba, phba->pport); | |
dea3101e | 740 | |
741 | return 0; | |
742 | } | |
743 | ||
744 | /* | |
745 | * This routine handles processing a CLEAR_LA mailbox | |
746 | * command upon completion. It is setup in the LPFC_MBOXQ | |
747 | * as the completion routine when the command is | |
748 | * handed off to the SLI layer. | |
749 | */ | |
750 | void | |
2e0fef85 | 751 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 752 | { |
2e0fef85 JS |
753 | struct lpfc_vport *vport = pmb->vport; |
754 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
755 | struct lpfc_sli *psli = &phba->sli; | |
756 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 757 | uint32_t control; |
758 | ||
dea3101e | 759 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 760 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 761 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
762 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
763 | ||
764 | /* Check for error */ | |
765 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 766 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
dea3101e | 767 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
92d7f7b0 | 768 | "%d (%d):0320 CLEAR_LA mbxStatus error x%x hba " |
dea3101e | 769 | "state x%x\n", |
92d7f7b0 JS |
770 | phba->brd_no, vport->vpi, mb->mbxStatus, |
771 | vport->port_state); | |
dea3101e | 772 | |
2e0fef85 | 773 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 774 | goto out; |
775 | } | |
776 | ||
92d7f7b0 JS |
777 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
778 | phba->link_state = LPFC_HBA_READY; | |
779 | ||
780 | spin_lock_irq(&phba->hbalock); | |
781 | psli->sli_flag |= LPFC_PROCESS_LA; | |
782 | control = readl(phba->HCregaddr); | |
783 | control |= HC_LAINT_ENA; | |
784 | writel(control, phba->HCregaddr); | |
785 | readl(phba->HCregaddr); /* flush */ | |
786 | spin_unlock_irq(&phba->hbalock); | |
787 | return; | |
dea3101e | 788 | |
2e0fef85 JS |
789 | vport->num_disc_nodes = 0; |
790 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
791 | if (vport->fc_npr_cnt) | |
792 | lpfc_els_disc_plogi(vport); | |
dea3101e | 793 | |
2e0fef85 JS |
794 | if (!vport->num_disc_nodes) { |
795 | spin_lock_irq(shost->host_lock); | |
796 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
797 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 798 | } |
799 | ||
2e0fef85 | 800 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 801 | |
802 | out: | |
803 | /* Device Discovery completes */ | |
ed957684 | 804 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
92d7f7b0 JS |
805 | "%d (%d):0225 Device Discovery completes\n", |
806 | phba->brd_no, vport->vpi); | |
dea3101e | 807 | |
2e0fef85 | 808 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 809 | |
2e0fef85 JS |
810 | spin_lock_irq(shost->host_lock); |
811 | vport->fc_flag &= ~(FC_ABORT_DISCOVERY | FC_ESTABLISH_LINK); | |
812 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 813 | |
814 | del_timer_sync(&phba->fc_estabtmo); | |
815 | ||
2e0fef85 | 816 | lpfc_can_disctmo(vport); |
dea3101e | 817 | |
818 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
819 | |
820 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 821 | psli->sli_flag |= LPFC_PROCESS_LA; |
822 | control = readl(phba->HCregaddr); | |
823 | control |= HC_LAINT_ENA; | |
824 | writel(control, phba->HCregaddr); | |
825 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 826 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 827 | |
828 | return; | |
829 | } | |
830 | ||
2e0fef85 | 831 | |
dea3101e | 832 | static void |
25594c6b | 833 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 834 | { |
2e0fef85 | 835 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 836 | |
25594c6b | 837 | if (pmb->mb.mbxStatus) |
dea3101e | 838 | goto out; |
dea3101e | 839 | |
25594c6b JW |
840 | mempool_free(pmb, phba->mbox_mem_pool); |
841 | ||
842 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
843 | vport->fc_flag & FC_PUBLIC_LOOP && |
844 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 845 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 846 | * for timeout. port_state is identically |
25594c6b JW |
847 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
848 | */ | |
2e0fef85 | 849 | lpfc_set_disctmo(vport); |
25594c6b | 850 | return; |
92d7f7b0 | 851 | } |
dea3101e | 852 | |
2e0fef85 | 853 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
854 | * LPFC_FLOGI while waiting for FLOGI cmpl |
855 | */ | |
92d7f7b0 JS |
856 | if (vport->port_state != LPFC_FLOGI) { |
857 | vport->port_state = LPFC_FLOGI; | |
858 | lpfc_set_disctmo(vport); | |
859 | lpfc_initial_flogi(vport); | |
860 | } | |
25594c6b | 861 | return; |
dea3101e | 862 | |
863 | out: | |
25594c6b | 864 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
92d7f7b0 | 865 | "%d (%d):0306 CONFIG_LINK mbxStatus error x%x " |
25594c6b | 866 | "HBA state x%x\n", |
92d7f7b0 JS |
867 | phba->brd_no, vport->vpi, pmb->mb.mbxStatus, |
868 | vport->port_state); | |
25594c6b | 869 | |
92d7f7b0 | 870 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 871 | |
92d7f7b0 | 872 | lpfc_linkdown(phba); |
25594c6b JW |
873 | |
874 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 JS |
875 | "%d (%d):0200 CONFIG_LINK bad hba state x%x\n", |
876 | phba->brd_no, vport->vpi, vport->port_state); | |
dea3101e | 877 | |
92d7f7b0 | 878 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 879 | return; |
880 | } | |
881 | ||
882 | static void | |
2e0fef85 | 883 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 884 | { |
dea3101e | 885 | MAILBOX_t *mb = &pmb->mb; |
886 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
2e0fef85 | 887 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 888 | |
889 | ||
890 | /* Check for error */ | |
891 | if (mb->mbxStatus) { | |
892 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
893 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
92d7f7b0 | 894 | "%d (%d):0319 READ_SPARAM mbxStatus error x%x " |
dea3101e | 895 | "hba state x%x>\n", |
92d7f7b0 JS |
896 | phba->brd_no, vport->vpi, mb->mbxStatus, |
897 | vport->port_state); | |
dea3101e | 898 | |
899 | lpfc_linkdown(phba); | |
dea3101e | 900 | goto out; |
901 | } | |
902 | ||
2e0fef85 | 903 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 904 | sizeof (struct serv_parm)); |
a12e07bc | 905 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
906 | u64_to_wwn(phba->cfg_soft_wwnn, |
907 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 908 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
909 | u64_to_wwn(phba->cfg_soft_wwpn, |
910 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
911 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
912 | sizeof(vport->fc_nodename)); | |
913 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
914 | sizeof(vport->fc_portname)); | |
915 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
916 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
917 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
918 | } | |
919 | ||
dea3101e | 920 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
921 | kfree(mp); | |
2e0fef85 | 922 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 923 | return; |
924 | ||
925 | out: | |
926 | pmb->context1 = NULL; | |
927 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
928 | kfree(mp); | |
92d7f7b0 JS |
929 | lpfc_issue_clear_la(phba, vport); |
930 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 931 | return; |
932 | } | |
933 | ||
934 | static void | |
92d7f7b0 | 935 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 936 | { |
92d7f7b0 | 937 | struct lpfc_vport *vport = phba->pport; |
dea3101e | 938 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; |
2e0fef85 | 939 | int i; |
14691150 JS |
940 | struct lpfc_dmabuf *mp; |
941 | int rc; | |
942 | ||
dea3101e | 943 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
944 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
945 | ||
92d7f7b0 | 946 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 947 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
948 | case LA_1GHZ_LINK: |
949 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
950 | break; | |
951 | case LA_2GHZ_LINK: | |
952 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
953 | break; | |
954 | case LA_4GHZ_LINK: | |
955 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
956 | break; | |
957 | case LA_8GHZ_LINK: | |
958 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
959 | break; | |
960 | default: | |
961 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
962 | break; | |
dea3101e | 963 | } |
964 | ||
965 | phba->fc_topology = la->topology; | |
92d7f7b0 | 966 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 967 | |
968 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 969 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 970 | |
92d7f7b0 | 971 | /* Get Loop Map information */ |
dea3101e | 972 | if (la->il) |
2e0fef85 | 973 | vport->fc_flag |= FC_LBIT; |
dea3101e | 974 | |
2e0fef85 | 975 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 976 | i = la->un.lilpBde64.tus.f.bdeSize; |
977 | ||
978 | if (i == 0) { | |
979 | phba->alpa_map[0] = 0; | |
980 | } else { | |
981 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { | |
982 | int numalpa, j, k; | |
983 | union { | |
984 | uint8_t pamap[16]; | |
985 | struct { | |
986 | uint32_t wd1; | |
987 | uint32_t wd2; | |
988 | uint32_t wd3; | |
989 | uint32_t wd4; | |
990 | } pa; | |
991 | } un; | |
992 | numalpa = phba->alpa_map[0]; | |
993 | j = 0; | |
994 | while (j < numalpa) { | |
995 | memset(un.pamap, 0, 16); | |
996 | for (k = 1; j < numalpa; k++) { | |
997 | un.pamap[k - 1] = | |
998 | phba->alpa_map[j + 1]; | |
999 | j++; | |
1000 | if (k == 16) | |
1001 | break; | |
1002 | } | |
1003 | /* Link Up Event ALPA map */ | |
1004 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
1005 | KERN_WARNING, |
1006 | LOG_LINK_EVENT, | |
1007 | "%d:1304 Link Up Event " | |
1008 | "ALPA map Data: x%x " | |
1009 | "x%x x%x x%x\n", | |
1010 | phba->brd_no, | |
1011 | un.pa.wd1, un.pa.wd2, | |
1012 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 1013 | } |
1014 | } | |
1015 | } | |
1016 | } else { | |
92d7f7b0 | 1017 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
858c9f6c | 1018 | if (phba->max_vpi && phba->cfg_npiv_enable && |
92d7f7b0 JS |
1019 | (phba->sli_rev == 3)) |
1020 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
1021 | } | |
2e0fef85 JS |
1022 | vport->fc_myDID = phba->fc_pref_DID; |
1023 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 1024 | } |
92d7f7b0 | 1025 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1026 | |
1027 | lpfc_linkup(phba); | |
1028 | if (sparam_mbox) { | |
92d7f7b0 | 1029 | lpfc_read_sparam(phba, sparam_mbox, 0); |
2e0fef85 | 1030 | sparam_mbox->vport = vport; |
dea3101e | 1031 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
14691150 | 1032 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, |
92d7f7b0 | 1033 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
1034 | if (rc == MBX_NOT_FINISHED) { |
1035 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
1036 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1037 | kfree(mp); | |
1038 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
1039 | if (cfglink_mbox) | |
1040 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1041 | goto out; |
14691150 | 1042 | } |
dea3101e | 1043 | } |
1044 | ||
1045 | if (cfglink_mbox) { | |
2e0fef85 | 1046 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 1047 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 1048 | cfglink_mbox->vport = vport; |
25594c6b | 1049 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
14691150 | 1050 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, |
92d7f7b0 JS |
1051 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
1052 | if (rc != MBX_NOT_FINISHED) | |
1053 | return; | |
1054 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
dea3101e | 1055 | } |
92d7f7b0 JS |
1056 | out: |
1057 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1058 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1059 | "%d (%d):0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
1060 | phba->brd_no, vport->vpi, | |
1061 | vport->port_state, sparam_mbox, cfglink_mbox); | |
1062 | ||
1063 | lpfc_issue_clear_la(phba, vport); | |
1064 | return; | |
dea3101e | 1065 | } |
1066 | ||
1067 | static void | |
2e0fef85 JS |
1068 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) |
1069 | { | |
dea3101e | 1070 | uint32_t control; |
1071 | struct lpfc_sli *psli = &phba->sli; | |
1072 | ||
1073 | lpfc_linkdown(phba); | |
1074 | ||
1075 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
2e0fef85 | 1076 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1077 | psli->sli_flag |= LPFC_PROCESS_LA; |
1078 | control = readl(phba->HCregaddr); | |
1079 | control |= HC_LAINT_ENA; | |
1080 | writel(control, phba->HCregaddr); | |
1081 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1082 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1083 | } |
1084 | ||
1085 | /* | |
1086 | * This routine handles processing a READ_LA mailbox | |
1087 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1088 | * as the completion routine when the command is | |
1089 | * handed off to the SLI layer. | |
1090 | */ | |
1091 | void | |
2e0fef85 | 1092 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1093 | { |
2e0fef85 JS |
1094 | struct lpfc_vport *vport = pmb->vport; |
1095 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1096 | READ_LA_VAR *la; |
1097 | MAILBOX_t *mb = &pmb->mb; | |
1098 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1099 | ||
1100 | /* Check for error */ | |
1101 | if (mb->mbxStatus) { | |
ed957684 | 1102 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
dea3101e | 1103 | "%d:1307 READ_LA mbox error x%x state x%x\n", |
ed957684 | 1104 | phba->brd_no, mb->mbxStatus, vport->port_state); |
dea3101e | 1105 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 1106 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1107 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
1108 | } | |
1109 | ||
1110 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
1111 | ||
1112 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
1113 | ||
2e0fef85 | 1114 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1115 | if (la->pb) |
2e0fef85 | 1116 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 1117 | else |
2e0fef85 JS |
1118 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
1119 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 1120 | |
dea3101e | 1121 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
92d7f7b0 | 1122 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 1123 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 1124 | if (la->attType == AT_LINK_UP) |
dea3101e | 1125 | if (phba->fc_eventTag != 0) |
1126 | lpfc_linkdown(phba); | |
92d7f7b0 | 1127 | } |
dea3101e | 1128 | |
1129 | phba->fc_eventTag = la->eventTag; | |
1130 | ||
1131 | if (la->attType == AT_LINK_UP) { | |
1132 | phba->fc_stat.LinkUp++; | |
2e0fef85 | 1133 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
5b8bd0c9 JS |
1134 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
1135 | "%d:1306 Link Up Event in loop back mode " | |
1136 | "x%x received Data: x%x x%x x%x x%x\n", | |
1137 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
1138 | la->granted_AL_PA, la->UlnkSpeed, | |
1139 | phba->alpa_map[0]); | |
1140 | } else { | |
1141 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
dea3101e | 1142 | "%d:1303 Link Up Event x%x received " |
1143 | "Data: x%x x%x x%x x%x\n", | |
1144 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
1145 | la->granted_AL_PA, la->UlnkSpeed, | |
1146 | phba->alpa_map[0]); | |
5b8bd0c9 | 1147 | } |
92d7f7b0 | 1148 | lpfc_mbx_process_link_up(phba, la); |
dea3101e | 1149 | } else { |
1150 | phba->fc_stat.LinkDown++; | |
1151 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
1152 | "%d:1305 Link Down Event x%x received " | |
1153 | "Data: x%x x%x x%x\n", | |
1154 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
2e0fef85 | 1155 | phba->pport->port_state, vport->fc_flag); |
dea3101e | 1156 | lpfc_mbx_issue_link_down(phba); |
1157 | } | |
1158 | ||
1159 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
1160 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1161 | kfree(mp); | |
1162 | mempool_free(pmb, phba->mbox_mem_pool); | |
1163 | return; | |
1164 | } | |
1165 | ||
1166 | /* | |
1167 | * This routine handles processing a REG_LOGIN mailbox | |
1168 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1169 | * as the completion routine when the command is | |
1170 | * handed off to the SLI layer. | |
1171 | */ | |
1172 | void | |
2e0fef85 | 1173 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1174 | { |
2e0fef85 | 1175 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 1176 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 1177 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 1178 | |
dea3101e | 1179 | pmb->context1 = NULL; |
1180 | ||
1181 | /* Good status, call state machine */ | |
2e0fef85 | 1182 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 1183 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1184 | kfree(mp); | |
2e0fef85 | 1185 | mempool_free(pmb, phba->mbox_mem_pool); |
329f9bc7 | 1186 | lpfc_nlp_put(ndlp); |
dea3101e | 1187 | |
1188 | return; | |
1189 | } | |
1190 | ||
92d7f7b0 JS |
1191 | static void |
1192 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
1193 | { | |
1194 | MAILBOX_t *mb = &pmb->mb; | |
1195 | struct lpfc_vport *vport = pmb->vport; | |
1196 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1197 | ||
1198 | switch (mb->mbxStatus) { | |
1199 | case 0x0011: | |
1200 | case 0x0020: | |
1201 | case 0x9700: | |
1202 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1203 | "%d (%d):0911 cmpl_unreg_vpi, " | |
1204 | "mb status = 0x%x\n", | |
1205 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
1206 | break; | |
92d7f7b0 JS |
1207 | } |
1208 | vport->unreg_vpi_cmpl = VPORT_OK; | |
1209 | mempool_free(pmb, phba->mbox_mem_pool); | |
1210 | /* | |
1211 | * This shost reference might have been taken at the beginning of | |
1212 | * lpfc_vport_delete() | |
1213 | */ | |
1214 | if (vport->load_flag & FC_UNLOADING) | |
1215 | scsi_host_put(shost); | |
1216 | } | |
1217 | ||
1218 | void | |
1219 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) | |
1220 | { | |
1221 | struct lpfc_hba *phba = vport->phba; | |
1222 | LPFC_MBOXQ_t *mbox; | |
1223 | int rc; | |
1224 | ||
1225 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1226 | if (!mbox) | |
1227 | return; | |
1228 | ||
1229 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
1230 | mbox->vport = vport; | |
1231 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
1232 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1233 | if (rc == MBX_NOT_FINISHED) { | |
1234 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
1235 | "%d (%d):1800 Could not issue unreg_vpi\n", | |
1236 | phba->brd_no, vport->vpi); | |
1237 | mempool_free(mbox, phba->mbox_mem_pool); | |
1238 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | static void | |
1243 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
1244 | { | |
1245 | struct lpfc_vport *vport = pmb->vport; | |
1246 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1247 | MAILBOX_t *mb = &pmb->mb; | |
1248 | ||
1249 | switch (mb->mbxStatus) { | |
1250 | case 0x0011: | |
1251 | case 0x9601: | |
1252 | case 0x9602: | |
1253 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1254 | "%d (%d):0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
1255 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
1256 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1257 | spin_lock_irq(shost->host_lock); | |
1258 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1259 | spin_unlock_irq(shost->host_lock); | |
1260 | vport->fc_myDID = 0; | |
1261 | goto out; | |
1262 | } | |
92d7f7b0 JS |
1263 | |
1264 | vport->num_disc_nodes = 0; | |
1265 | /* go thru NPR list and issue ELS PLOGIs */ | |
1266 | if (vport->fc_npr_cnt) | |
1267 | lpfc_els_disc_plogi(vport); | |
1268 | ||
1269 | if (!vport->num_disc_nodes) { | |
1270 | spin_lock_irq(shost->host_lock); | |
1271 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1272 | spin_unlock_irq(shost->host_lock); | |
1273 | lpfc_can_disctmo(vport); | |
1274 | } | |
1275 | vport->port_state = LPFC_VPORT_READY; | |
1276 | ||
1277 | out: | |
1278 | mempool_free(pmb, phba->mbox_mem_pool); | |
1279 | return; | |
1280 | } | |
1281 | ||
dea3101e | 1282 | /* |
1283 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
1284 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1285 | * as the completion routine when the command is | |
1286 | * handed off to the SLI layer. | |
1287 | */ | |
1288 | void | |
2e0fef85 | 1289 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1290 | { |
92d7f7b0 JS |
1291 | struct lpfc_vport *vport = pmb->vport; |
1292 | struct lpfc_vport *next_vport; | |
2e0fef85 JS |
1293 | MAILBOX_t *mb = &pmb->mb; |
1294 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
92d7f7b0 | 1295 | struct lpfc_nodelist *ndlp; |
dea3101e | 1296 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 1297 | |
329f9bc7 JS |
1298 | pmb->context1 = NULL; |
1299 | pmb->context2 = NULL; | |
1300 | ||
dea3101e | 1301 | if (mb->mbxStatus) { |
1302 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1303 | kfree(mp); | |
329f9bc7 JS |
1304 | mempool_free(pmb, phba->mbox_mem_pool); |
1305 | lpfc_nlp_put(ndlp); | |
dea3101e | 1306 | |
92d7f7b0 JS |
1307 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1308 | /* FLOGI failed, use loop map to make discovery list */ | |
1309 | lpfc_disc_list_loopmap(vport); | |
1310 | ||
1311 | /* Start discovery */ | |
1312 | lpfc_disc_start(vport); | |
1313 | return; | |
1314 | } | |
1315 | ||
1316 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1317 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1318 | "%d (%d):0258 Register Fabric login error: 0x%x\n", | |
1319 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
dea3101e | 1320 | |
dea3101e | 1321 | return; |
1322 | } | |
1323 | ||
dea3101e | 1324 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1325 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 1326 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1327 | |
329f9bc7 JS |
1328 | lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */ |
1329 | ||
2e0fef85 | 1330 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
92d7f7b0 JS |
1331 | list_for_each_entry(next_vport, &phba->port_list, listentry) { |
1332 | if (next_vport->port_type == LPFC_PHYSICAL_PORT) | |
1333 | continue; | |
2e0fef85 | 1334 | |
92d7f7b0 JS |
1335 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
1336 | lpfc_initial_fdisc(next_vport); | |
858c9f6c JS |
1337 | else if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
1338 | lpfc_vport_set_state(vport, | |
1339 | FC_VPORT_NO_FABRIC_SUPP); | |
1340 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
92d7f7b0 JS |
1341 | "%d (%d):0259 No NPIV Fabric " |
1342 | "support\n", | |
1343 | phba->brd_no, vport->vpi); | |
dea3101e | 1344 | } |
1345 | } | |
92d7f7b0 | 1346 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 1347 | } |
1348 | ||
1349 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1350 | kfree(mp); | |
329f9bc7 | 1351 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1352 | return; |
1353 | } | |
1354 | ||
1355 | /* | |
1356 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
1357 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1358 | * as the completion routine when the command is | |
1359 | * handed off to the SLI layer. | |
1360 | */ | |
1361 | void | |
2e0fef85 | 1362 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1363 | { |
2e0fef85 JS |
1364 | MAILBOX_t *mb = &pmb->mb; |
1365 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1366 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
1367 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 1368 | |
1369 | if (mb->mbxStatus) { | |
92d7f7b0 | 1370 | out: |
329f9bc7 | 1371 | lpfc_nlp_put(ndlp); |
dea3101e | 1372 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1373 | kfree(mp); | |
de0c5b32 | 1374 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 | 1375 | lpfc_drop_node(vport, ndlp); |
dea3101e | 1376 | |
92d7f7b0 JS |
1377 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1378 | /* | |
1379 | * RegLogin failed, use loop map to make discovery | |
1380 | * list | |
1381 | */ | |
1382 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 1383 | |
92d7f7b0 JS |
1384 | /* Start discovery */ |
1385 | lpfc_disc_start(vport); | |
1386 | return; | |
1387 | } | |
1388 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1389 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
1390 | "%d (%d):0260 Register NameServer error: 0x%x\n", | |
1391 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
dea3101e | 1392 | return; |
1393 | } | |
1394 | ||
1395 | pmb->context1 = NULL; | |
1396 | ||
dea3101e | 1397 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1398 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 1399 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1400 | |
2e0fef85 JS |
1401 | if (vport->port_state < LPFC_VPORT_READY) { |
1402 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
1403 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
1404 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
1405 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
1406 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
1407 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
1408 | ||
1409 | /* Issue SCR just before NameServer GID_FT Query */ | |
1410 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 1411 | } |
1412 | ||
2e0fef85 | 1413 | vport->fc_ns_retry = 0; |
dea3101e | 1414 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 1415 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 1416 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 1417 | goto out; |
dea3101e | 1418 | } |
1419 | ||
329f9bc7 | 1420 | lpfc_nlp_put(ndlp); |
dea3101e | 1421 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1422 | kfree(mp); | |
2e0fef85 | 1423 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1424 | |
1425 | return; | |
1426 | } | |
1427 | ||
1428 | static void | |
2e0fef85 | 1429 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1430 | { |
2e0fef85 JS |
1431 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1432 | struct fc_rport *rport; | |
dea3101e | 1433 | struct lpfc_rport_data *rdata; |
1434 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 1435 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1436 | |
1437 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
1438 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
1439 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 1440 | rport_ids.port_id = ndlp->nlp_DID; |
1441 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 1442 | |
329f9bc7 JS |
1443 | /* |
1444 | * We leave our node pointer in rport->dd_data when we unregister a | |
1445 | * FCP target port. But fc_remote_port_add zeros the space to which | |
1446 | * rport->dd_data points. So, if we're reusing a previously | |
1447 | * registered port, drop the reference that we took the last time we | |
1448 | * registered the port. | |
1449 | */ | |
1450 | if (ndlp->rport && ndlp->rport->dd_data && | |
92d7f7b0 | 1451 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) { |
329f9bc7 JS |
1452 | lpfc_nlp_put(ndlp); |
1453 | } | |
858c9f6c JS |
1454 | |
1455 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
1456 | "rport add: did:x%x flg:x%x type x%x", | |
1457 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
1458 | ||
2e0fef85 | 1459 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 1460 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 1461 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
1462 | "Warning: fc_remote_port_add failed\n"); | |
1463 | return; | |
1464 | } | |
1465 | ||
1466 | /* initialize static port data */ | |
1467 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1468 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 1469 | rdata = rport->dd_data; |
329f9bc7 | 1470 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
1471 | |
1472 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1473 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1474 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1475 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1476 | ||
1477 | ||
1478 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
1479 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
1480 | ||
071fbd3d | 1481 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 1482 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
1483 | ndlp->nlp_sid = rport->scsi_target_id; |
1484 | } | |
19a7b4ae JSEC |
1485 | return; |
1486 | } | |
1487 | ||
1488 | static void | |
2e0fef85 | 1489 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
1490 | { |
1491 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 1492 | |
858c9f6c JS |
1493 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
1494 | "rport delete: did:x%x flg:x%x type x%x", | |
1495 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
1496 | ||
19a7b4ae | 1497 | fc_remote_port_delete(rport); |
dea3101e | 1498 | |
1499 | return; | |
1500 | } | |
1501 | ||
de0c5b32 | 1502 | static void |
2e0fef85 | 1503 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 1504 | { |
2e0fef85 JS |
1505 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1506 | ||
1507 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
1508 | switch (state) { |
1509 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 1510 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
1511 | break; |
1512 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 1513 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
1514 | break; |
1515 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 1516 | vport->fc_adisc_cnt += count; |
dea3101e | 1517 | break; |
de0c5b32 | 1518 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 1519 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
1520 | break; |
1521 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 1522 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
1523 | break; |
1524 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 1525 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
1526 | break; |
1527 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 1528 | vport->fc_map_cnt += count; |
de0c5b32 JS |
1529 | break; |
1530 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 1531 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
1532 | break; |
1533 | } | |
2e0fef85 | 1534 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 1535 | } |
66a9ed66 | 1536 | |
de0c5b32 | 1537 | static void |
2e0fef85 | 1538 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
1539 | int old_state, int new_state) |
1540 | { | |
2e0fef85 JS |
1541 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1542 | ||
de0c5b32 JS |
1543 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
1544 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1545 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1546 | ndlp->nlp_type |= NLP_FC_NODE; | |
1547 | } | |
1548 | if (new_state == NLP_STE_MAPPED_NODE) | |
1549 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1550 | if (new_state == NLP_STE_NPR_NODE) | |
1551 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
1552 | ||
1553 | /* Transport interface */ | |
1554 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
1555 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
1556 | vport->phba->nport_event_cnt++; |
1557 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 1558 | } |
dea3101e | 1559 | |
de0c5b32 JS |
1560 | if (new_state == NLP_STE_MAPPED_NODE || |
1561 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 1562 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
1563 | /* |
1564 | * Tell the fc transport about the port, if we haven't | |
1565 | * already. If we have, and it's a scsi entity, be | |
1566 | * sure to unblock any attached scsi devices | |
1567 | */ | |
1568 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 1569 | } |
858c9f6c JS |
1570 | /* |
1571 | * if we added to Mapped list, but the remote port | |
1572 | * registration failed or assigned a target id outside | |
1573 | * our presentable range - move the node to the | |
1574 | * Unmapped List | |
1575 | */ | |
de0c5b32 JS |
1576 | if (new_state == NLP_STE_MAPPED_NODE && |
1577 | (!ndlp->rport || | |
1578 | ndlp->rport->scsi_target_id == -1 || | |
1579 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 1580 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 1581 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
1582 | spin_unlock_irq(shost->host_lock); |
1583 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 1584 | } |
de0c5b32 JS |
1585 | } |
1586 | ||
685f0bf7 JS |
1587 | static char * |
1588 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
1589 | { | |
1590 | static char *states[] = { | |
1591 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
1592 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
1593 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
1594 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
1595 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
1596 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
1597 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
1598 | [NLP_STE_NPR_NODE] = "NPR", | |
1599 | }; | |
1600 | ||
1601 | if (state < ARRAY_SIZE(states) && states[state]) | |
1602 | strlcpy(buffer, states[state], size); | |
1603 | else | |
1604 | snprintf(buffer, size, "unknown (%d)", state); | |
1605 | return buffer; | |
1606 | } | |
1607 | ||
de0c5b32 | 1608 | void |
2e0fef85 JS |
1609 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1610 | int state) | |
de0c5b32 | 1611 | { |
2e0fef85 | 1612 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 1613 | int old_state = ndlp->nlp_state; |
685f0bf7 | 1614 | char name1[16], name2[16]; |
de0c5b32 | 1615 | |
2e0fef85 | 1616 | lpfc_printf_log(vport->phba, KERN_INFO, LOG_NODE, |
858c9f6c JS |
1617 | "%d (%d):0904 NPort state transition x%06x, %s -> %s\n", |
1618 | vport->phba->brd_no, vport->vpi, | |
685f0bf7 JS |
1619 | ndlp->nlp_DID, |
1620 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
1621 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
1622 | |
1623 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
1624 | "node statechg did:x%x old:%d ste:%d", | |
1625 | ndlp->nlp_DID, old_state, state); | |
1626 | ||
de0c5b32 JS |
1627 | if (old_state == NLP_STE_NPR_NODE && |
1628 | (ndlp->nlp_flag & NLP_DELAY_TMO) != 0 && | |
1629 | state != NLP_STE_NPR_NODE) | |
2e0fef85 | 1630 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
1631 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
1632 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
1633 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
1634 | } | |
1635 | ||
685f0bf7 | 1636 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
1637 | spin_lock_irq(shost->host_lock); |
1638 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
1639 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 1640 | } else if (old_state) |
2e0fef85 | 1641 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
1642 | |
1643 | ndlp->nlp_state = state; | |
2e0fef85 JS |
1644 | lpfc_nlp_counters(vport, state, 1); |
1645 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
1646 | } |
1647 | ||
1648 | void | |
2e0fef85 | 1649 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1650 | { |
2e0fef85 JS |
1651 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1652 | ||
de0c5b32 | 1653 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1654 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1655 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1656 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1657 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1658 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 1659 | spin_unlock_irq(shost->host_lock); |
858c9f6c JS |
1660 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
1661 | NLP_STE_UNUSED_NODE); | |
de0c5b32 JS |
1662 | } |
1663 | ||
1664 | void | |
2e0fef85 | 1665 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1666 | { |
2e0fef85 JS |
1667 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1668 | ||
de0c5b32 | 1669 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1670 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1671 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1672 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1673 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1674 | list_del_init(&ndlp->nlp_listp); |
858c9f6c | 1675 | ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; |
2e0fef85 | 1676 | spin_unlock_irq(shost->host_lock); |
329f9bc7 | 1677 | lpfc_nlp_put(ndlp); |
dea3101e | 1678 | } |
1679 | ||
1680 | /* | |
1681 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
1682 | */ | |
1683 | void | |
2e0fef85 | 1684 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 1685 | { |
2e0fef85 JS |
1686 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1687 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1688 | uint32_t tmo; |
1689 | ||
2e0fef85 | 1690 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
c9f8735b JW |
1691 | /* For FAN, timeout should be greater then edtov */ |
1692 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); | |
1693 | } else { | |
1694 | /* Normal discovery timeout should be > then ELS/CT timeout | |
1695 | * FC spec states we need 3 * ratov for CT requests | |
1696 | */ | |
1697 | tmo = ((phba->fc_ratov * 3) + 3); | |
1698 | } | |
dea3101e | 1699 | |
858c9f6c JS |
1700 | |
1701 | if (!timer_pending(&vport->fc_disctmo)) { | |
1702 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
1703 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
1704 | tmo, vport->port_state, vport->fc_flag); | |
1705 | } | |
1706 | ||
2e0fef85 JS |
1707 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
1708 | spin_lock_irq(shost->host_lock); | |
1709 | vport->fc_flag |= FC_DISC_TMO; | |
1710 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1711 | |
1712 | /* Start Discovery Timer state <hba_state> */ | |
1713 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 1714 | "%d (%d):0247 Start Discovery Timer state x%x " |
dea3101e | 1715 | "Data: x%x x%lx x%x x%x\n", |
92d7f7b0 | 1716 | phba->brd_no, vport->vpi, vport->port_state, tmo, |
2e0fef85 JS |
1717 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, |
1718 | vport->fc_adisc_cnt); | |
dea3101e | 1719 | |
1720 | return; | |
1721 | } | |
1722 | ||
1723 | /* | |
1724 | * Cancel rescue timer for Discovery / RSCN handling | |
1725 | */ | |
1726 | int | |
2e0fef85 | 1727 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 1728 | { |
2e0fef85 JS |
1729 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1730 | struct lpfc_hba *phba = vport->phba; | |
1731 | unsigned long iflags; | |
1732 | ||
858c9f6c JS |
1733 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1734 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
1735 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
1736 | ||
dea3101e | 1737 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
1738 | if (vport->fc_flag & FC_DISC_TMO) { |
1739 | spin_lock_irqsave(shost->host_lock, iflags); | |
1740 | vport->fc_flag &= ~FC_DISC_TMO; | |
1741 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
1742 | del_timer_sync(&vport->fc_disctmo); | |
1743 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
1744 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
1745 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 1746 | } |
1747 | ||
1748 | /* Cancel Discovery Timer state <hba_state> */ | |
1749 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 1750 | "%d (%d):0248 Cancel Discovery Timer state x%x " |
dea3101e | 1751 | "Data: x%x x%x x%x\n", |
92d7f7b0 JS |
1752 | phba->brd_no, vport->vpi, vport->port_state, |
1753 | vport->fc_flag, vport->fc_plogi_cnt, | |
1754 | vport->fc_adisc_cnt); | |
dea3101e | 1755 | |
2fe165b6 | 1756 | return 0; |
dea3101e | 1757 | } |
1758 | ||
1759 | /* | |
1760 | * Check specified ring for outstanding IOCB on the SLI queue | |
1761 | * Return true if iocb matches the specified nport | |
1762 | */ | |
1763 | int | |
2e0fef85 JS |
1764 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
1765 | struct lpfc_sli_ring *pring, | |
1766 | struct lpfc_iocbq *iocb, | |
1767 | struct lpfc_nodelist *ndlp) | |
dea3101e | 1768 | { |
2e0fef85 JS |
1769 | struct lpfc_sli *psli = &phba->sli; |
1770 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
1771 | struct lpfc_vport *vport = ndlp->vport; |
1772 | ||
1773 | if (iocb->vport != vport) | |
1774 | return 0; | |
1775 | ||
dea3101e | 1776 | if (pring->ringno == LPFC_ELS_RING) { |
1777 | switch (icmd->ulpCommand) { | |
1778 | case CMD_GEN_REQUEST64_CR: | |
1779 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) | |
2fe165b6 | 1780 | return 1; |
dea3101e | 1781 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
1782 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
1783 | return 1; | |
dea3101e | 1784 | case CMD_XMIT_ELS_RSP64_CX: |
1785 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 1786 | return 1; |
dea3101e | 1787 | } |
a4bc3379 | 1788 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 1789 | |
1790 | } else if (pring->ringno == psli->fcp_ring) { | |
1791 | /* Skip match check if waiting to relogin to FCP target */ | |
1792 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 1793 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 1794 | return 0; |
dea3101e | 1795 | } |
1796 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 1797 | return 1; |
dea3101e | 1798 | } |
1799 | } else if (pring->ringno == psli->next_ring) { | |
1800 | ||
1801 | } | |
2fe165b6 | 1802 | return 0; |
dea3101e | 1803 | } |
1804 | ||
1805 | /* | |
1806 | * Free resources / clean up outstanding I/Os | |
1807 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
1808 | */ | |
1809 | static int | |
2e0fef85 | 1810 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 1811 | { |
2534ba75 | 1812 | LIST_HEAD(completions); |
dea3101e | 1813 | struct lpfc_sli *psli; |
1814 | struct lpfc_sli_ring *pring; | |
1815 | struct lpfc_iocbq *iocb, *next_iocb; | |
1816 | IOCB_t *icmd; | |
1817 | uint32_t rpi, i; | |
1818 | ||
92d7f7b0 JS |
1819 | lpfc_fabric_abort_nport(ndlp); |
1820 | ||
dea3101e | 1821 | /* |
1822 | * Everything that matches on txcmplq will be returned | |
1823 | * by firmware with a no rpi error. | |
1824 | */ | |
1825 | psli = &phba->sli; | |
1826 | rpi = ndlp->nlp_rpi; | |
1827 | if (rpi) { | |
1828 | /* Now process each ring */ | |
1829 | for (i = 0; i < psli->num_rings; i++) { | |
1830 | pring = &psli->ring[i]; | |
1831 | ||
2e0fef85 | 1832 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1833 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 1834 | list) { |
dea3101e | 1835 | /* |
1836 | * Check to see if iocb matches the nport we are | |
1837 | * looking for | |
1838 | */ | |
92d7f7b0 JS |
1839 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
1840 | ndlp))) { | |
dea3101e | 1841 | /* It matches, so deque and call compl |
1842 | with an error */ | |
2534ba75 JS |
1843 | list_move_tail(&iocb->list, |
1844 | &completions); | |
dea3101e | 1845 | pring->txq_cnt--; |
dea3101e | 1846 | } |
1847 | } | |
2e0fef85 | 1848 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1849 | } |
1850 | } | |
2534ba75 JS |
1851 | |
1852 | while (!list_empty(&completions)) { | |
1853 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
92d7f7b0 | 1854 | list_del_init(&iocb->list); |
2534ba75 | 1855 | |
2e0fef85 JS |
1856 | if (!iocb->iocb_cmpl) |
1857 | lpfc_sli_release_iocbq(phba, iocb); | |
1858 | else { | |
2534ba75 JS |
1859 | icmd = &iocb->iocb; |
1860 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1861 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2e0fef85 JS |
1862 | (iocb->iocb_cmpl)(phba, iocb, iocb); |
1863 | } | |
2534ba75 JS |
1864 | } |
1865 | ||
2fe165b6 | 1866 | return 0; |
dea3101e | 1867 | } |
1868 | ||
1869 | /* | |
1870 | * Free rpi associated with LPFC_NODELIST entry. | |
1871 | * This routine is called from lpfc_freenode(), when we are removing | |
1872 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1873 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1874 | * to the remote NPort. In addition, it is called after we receive | |
1875 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1876 | * we are waiting to PLOGI back to the remote NPort. | |
1877 | */ | |
1878 | int | |
2e0fef85 | 1879 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1880 | { |
2e0fef85 JS |
1881 | struct lpfc_hba *phba = vport->phba; |
1882 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 1883 | int rc; |
1884 | ||
1885 | if (ndlp->nlp_rpi) { | |
2e0fef85 JS |
1886 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1887 | if (mbox) { | |
92d7f7b0 | 1888 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 1889 | mbox->vport = vport; |
92d7f7b0 JS |
1890 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1891 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1892 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
dea3101e | 1893 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 1894 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 1895 | } |
dea3101e | 1896 | lpfc_no_rpi(phba, ndlp); |
1897 | ndlp->nlp_rpi = 0; | |
1898 | return 1; | |
1899 | } | |
1900 | return 0; | |
1901 | } | |
1902 | ||
92d7f7b0 JS |
1903 | void |
1904 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
1905 | { | |
1906 | struct lpfc_hba *phba = vport->phba; | |
1907 | LPFC_MBOXQ_t *mbox; | |
1908 | int rc; | |
1909 | ||
1910 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1911 | if (mbox) { | |
1912 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
1913 | mbox->vport = vport; | |
1914 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1915 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1916 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1917 | if (rc == MBX_NOT_FINISHED) { | |
1918 | mempool_free(mbox, phba->mbox_mem_pool); | |
1919 | } | |
1920 | } | |
1921 | } | |
1922 | ||
1923 | void | |
1924 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
1925 | { | |
1926 | struct lpfc_hba *phba = vport->phba; | |
1927 | LPFC_MBOXQ_t *mbox; | |
1928 | int rc; | |
1929 | ||
1930 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1931 | if (mbox) { | |
1932 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
1933 | mbox->vport = vport; | |
1934 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1935 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1936 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1937 | if (rc == MBX_NOT_FINISHED) { | |
1938 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
1939 | "%d (%d):1815 Could not issue " | |
1940 | "unreg_did (default rpis)\n", | |
1941 | phba->brd_no, vport->vpi); | |
1942 | mempool_free(mbox, phba->mbox_mem_pool); | |
1943 | } | |
1944 | } | |
1945 | } | |
1946 | ||
dea3101e | 1947 | /* |
1948 | * Free resources associated with LPFC_NODELIST entry | |
1949 | * so it can be freed. | |
1950 | */ | |
1951 | static int | |
2e0fef85 | 1952 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1953 | { |
2e0fef85 JS |
1954 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1955 | struct lpfc_hba *phba = vport->phba; | |
1956 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 1957 | struct lpfc_dmabuf *mp; |
dea3101e | 1958 | |
1959 | /* Cleanup node for NPort <nlp_DID> */ | |
1960 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
92d7f7b0 | 1961 | "%d (%d):0900 Cleanup node for NPort x%x " |
dea3101e | 1962 | "Data: x%x x%x x%x\n", |
92d7f7b0 | 1963 | phba->brd_no, vport->vpi, ndlp->nlp_DID, ndlp->nlp_flag, |
dea3101e | 1964 | ndlp->nlp_state, ndlp->nlp_rpi); |
1965 | ||
2e0fef85 | 1966 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 1967 | |
dea3101e | 1968 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1969 | if ((mb = phba->sli.mbox_active)) { | |
1970 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1971 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1972 | mb->context2 = NULL; | |
1973 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1974 | } | |
1975 | } | |
33ccf8d1 | 1976 | |
2e0fef85 | 1977 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1978 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1979 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
92d7f7b0 | 1980 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 1981 | mp = (struct lpfc_dmabuf *) (mb->context1); |
1982 | if (mp) { | |
2e0fef85 | 1983 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1984 | kfree(mp); |
1985 | } | |
1986 | list_del(&mb->list); | |
1987 | mempool_free(mb, phba->mbox_mem_pool); | |
329f9bc7 | 1988 | lpfc_nlp_put(ndlp); |
dea3101e | 1989 | } |
1990 | } | |
2e0fef85 | 1991 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1992 | |
07951076 | 1993 | lpfc_els_abort(phba,ndlp); |
2e0fef85 | 1994 | spin_lock_irq(shost->host_lock); |
c01f3208 | 1995 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1996 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1997 | |
5024ab17 | 1998 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 1999 | del_timer_sync(&ndlp->nlp_delayfunc); |
2000 | ||
dea3101e | 2001 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
2002 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
92d7f7b0 JS |
2003 | if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) |
2004 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 2005 | |
858c9f6c JS |
2006 | if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) { |
2007 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
2008 | complete((struct completion *)(ndlp->dev_loss_evt.evt_arg2)); | |
2009 | } | |
2010 | ||
2e0fef85 | 2011 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 2012 | |
2fe165b6 | 2013 | return 0; |
dea3101e | 2014 | } |
2015 | ||
2016 | /* | |
2017 | * Check to see if we can free the nlp back to the freelist. | |
2018 | * If we are in the middle of using the nlp in the discovery state | |
2019 | * machine, defer the free till we reach the end of the state machine. | |
2020 | */ | |
329f9bc7 | 2021 | static void |
2e0fef85 | 2022 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 2023 | { |
1dcb58e5 | 2024 | struct lpfc_rport_data *rdata; |
dea3101e | 2025 | |
2026 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
2e0fef85 | 2027 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 2028 | } |
2029 | ||
2e0fef85 | 2030 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 2031 | |
2e0fef85 | 2032 | /* |
92d7f7b0 JS |
2033 | * We can get here with a non-NULL ndlp->rport because when we |
2034 | * unregister a rport we don't break the rport/node linkage. So if we | |
2035 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 2036 | */ |
92d7f7b0 | 2037 | if (ndlp->rport) { |
329f9bc7 JS |
2038 | rdata = ndlp->rport->dd_data; |
2039 | rdata->pnode = NULL; | |
2040 | ndlp->rport = NULL; | |
dea3101e | 2041 | } |
dea3101e | 2042 | } |
2043 | ||
2044 | static int | |
2e0fef85 JS |
2045 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2046 | uint32_t did) | |
dea3101e | 2047 | { |
2e0fef85 | 2048 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 2049 | |
2050 | if (did == Bcast_DID) | |
2fe165b6 | 2051 | return 0; |
dea3101e | 2052 | |
2053 | if (ndlp->nlp_DID == 0) { | |
2fe165b6 | 2054 | return 0; |
dea3101e | 2055 | } |
2056 | ||
2057 | /* First check for Direct match */ | |
2058 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 2059 | return 1; |
dea3101e | 2060 | |
2061 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 2062 | mydid.un.word = vport->fc_myDID; |
dea3101e | 2063 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 2064 | return 0; |
dea3101e | 2065 | } |
2066 | ||
2067 | matchdid.un.word = did; | |
2068 | ndlpdid.un.word = ndlp->nlp_DID; | |
2069 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
2070 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
2071 | (mydid.un.b.area == matchdid.un.b.area)) { | |
2072 | if ((ndlpdid.un.b.domain == 0) && | |
2073 | (ndlpdid.un.b.area == 0)) { | |
2074 | if (ndlpdid.un.b.id) | |
2fe165b6 | 2075 | return 1; |
dea3101e | 2076 | } |
2fe165b6 | 2077 | return 0; |
dea3101e | 2078 | } |
2079 | ||
2080 | matchdid.un.word = ndlp->nlp_DID; | |
2081 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
2082 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
2083 | if ((matchdid.un.b.domain == 0) && | |
2084 | (matchdid.un.b.area == 0)) { | |
2085 | if (matchdid.un.b.id) | |
2fe165b6 | 2086 | return 1; |
dea3101e | 2087 | } |
2088 | } | |
2089 | } | |
2fe165b6 | 2090 | return 0; |
dea3101e | 2091 | } |
2092 | ||
685f0bf7 | 2093 | /* Search for a nodelist entry */ |
2e0fef85 JS |
2094 | static struct lpfc_nodelist * |
2095 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 2096 | { |
2e0fef85 | 2097 | struct lpfc_hba *phba = vport->phba; |
2fb9bd8b | 2098 | struct lpfc_nodelist *ndlp; |
dea3101e | 2099 | uint32_t data1; |
2100 | ||
2e0fef85 JS |
2101 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
2102 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
2103 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
2104 | ((uint32_t) ndlp->nlp_xri << 16) | | |
2105 | ((uint32_t) ndlp->nlp_type << 8) | | |
2106 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
2107 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
92d7f7b0 | 2108 | "%d (%d):0929 FIND node DID " |
685f0bf7 | 2109 | " Data: x%p x%x x%x x%x\n", |
92d7f7b0 | 2110 | phba->brd_no, vport->vpi, |
685f0bf7 JS |
2111 | ndlp, ndlp->nlp_DID, |
2112 | ndlp->nlp_flag, data1); | |
685f0bf7 | 2113 | return ndlp; |
dea3101e | 2114 | } |
2115 | } | |
66a9ed66 | 2116 | |
dea3101e | 2117 | /* FIND node did <did> NOT FOUND */ |
2fb9bd8b | 2118 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
92d7f7b0 JS |
2119 | "%d (%d):0932 FIND node did x%x NOT FOUND.\n", |
2120 | phba->brd_no, vport->vpi, did); | |
dea3101e | 2121 | return NULL; |
2122 | } | |
2123 | ||
2124 | struct lpfc_nodelist * | |
2e0fef85 JS |
2125 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
2126 | { | |
2127 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2128 | struct lpfc_nodelist *ndlp; | |
2129 | ||
2130 | spin_lock_irq(shost->host_lock); | |
2131 | ndlp = __lpfc_findnode_did(vport, did); | |
2132 | spin_unlock_irq(shost->host_lock); | |
2133 | return ndlp; | |
2134 | } | |
2135 | ||
2136 | struct lpfc_nodelist * | |
2137 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 2138 | { |
2e0fef85 | 2139 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2140 | struct lpfc_nodelist *ndlp; |
dea3101e | 2141 | |
2e0fef85 | 2142 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 2143 | if (!ndlp) { |
2e0fef85 JS |
2144 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
2145 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 2146 | return NULL; |
2147 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 2148 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 2149 | if (!ndlp) |
2150 | return NULL; | |
2e0fef85 JS |
2151 | lpfc_nlp_init(vport, ndlp, did); |
2152 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
2153 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2154 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2155 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2156 | return ndlp; |
2157 | } | |
2e0fef85 JS |
2158 | if (vport->fc_flag & FC_RSCN_MODE) { |
2159 | if (lpfc_rscn_payload_check(vport, did)) { | |
2160 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2161 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2162 | spin_unlock_irq(shost->host_lock); |
c9f8735b JW |
2163 | |
2164 | /* Since this node is marked for discovery, | |
2165 | * delay timeout is not needed. | |
2166 | */ | |
fdcebe28 | 2167 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2e0fef85 | 2168 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
071fbd3d | 2169 | } else |
dea3101e | 2170 | ndlp = NULL; |
2fe165b6 | 2171 | } else { |
685f0bf7 JS |
2172 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
2173 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) | |
dea3101e | 2174 | return NULL; |
2e0fef85 JS |
2175 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2176 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2177 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2178 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2179 | } |
2180 | return ndlp; | |
2181 | } | |
2182 | ||
2183 | /* Build a list of nodes to discover based on the loopmap */ | |
2184 | void | |
2e0fef85 | 2185 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 2186 | { |
2e0fef85 | 2187 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2188 | int j; |
2189 | uint32_t alpa, index; | |
2190 | ||
2e0fef85 | 2191 | if (!lpfc_is_link_up(phba)) |
dea3101e | 2192 | return; |
2e0fef85 JS |
2193 | |
2194 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 2195 | return; |
dea3101e | 2196 | |
2197 | /* Check for loop map present or not */ | |
2198 | if (phba->alpa_map[0]) { | |
2199 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
2200 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 2201 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 2202 | continue; |
2e0fef85 | 2203 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 2204 | } |
2205 | } else { | |
2206 | /* No alpamap, so try all alpa's */ | |
2207 | for (j = 0; j < FC_MAXLOOP; j++) { | |
2208 | /* If cfg_scan_down is set, start from highest | |
2209 | * ALPA (0xef) to lowest (0x1). | |
2210 | */ | |
2211 | if (phba->cfg_scan_down) | |
2212 | index = j; | |
2213 | else | |
2214 | index = FC_MAXLOOP - j - 1; | |
2215 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 2216 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 2217 | continue; |
2e0fef85 | 2218 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 2219 | } |
2220 | } | |
2221 | return; | |
2222 | } | |
2223 | ||
dea3101e | 2224 | void |
2e0fef85 | 2225 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 2226 | { |
dea3101e | 2227 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
2228 | struct lpfc_sli *psli = &phba->sli; |
2229 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
2230 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
2231 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
2232 | int rc; | |
2233 | ||
92d7f7b0 JS |
2234 | /* |
2235 | * if it's not a physical port or if we already send | |
2236 | * clear_la then don't send it. | |
2237 | */ | |
2238 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
2239 | (vport->port_type != LPFC_PHYSICAL_PORT)) | |
2240 | return; | |
2241 | ||
2e0fef85 JS |
2242 | /* Link up discovery */ |
2243 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
2244 | phba->link_state = LPFC_CLEAR_LA; | |
2245 | lpfc_clear_la(phba, mbox); | |
2246 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2247 | mbox->vport = vport; | |
2248 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | | |
2249 | MBX_STOP_IOCB)); | |
2250 | if (rc == MBX_NOT_FINISHED) { | |
2251 | mempool_free(mbox, phba->mbox_mem_pool); | |
2252 | lpfc_disc_flush_list(vport); | |
2253 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2254 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2255 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
2256 | phba->link_state = LPFC_HBA_ERROR; |
2257 | } | |
2258 | } | |
2259 | } | |
2260 | ||
2261 | /* Reg_vpi to tell firmware to resume normal operations */ | |
2262 | void | |
2263 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
2264 | { | |
2265 | LPFC_MBOXQ_t *regvpimbox; | |
2266 | ||
2267 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2268 | if (regvpimbox) { | |
2269 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, regvpimbox); | |
2270 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; | |
2271 | regvpimbox->vport = vport; | |
2272 | if (lpfc_sli_issue_mbox(phba, regvpimbox, | |
2273 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
2274 | == MBX_NOT_FINISHED) { | |
2275 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
2276 | } |
2277 | } | |
2278 | } | |
2279 | ||
2280 | /* Start Link up / RSCN discovery on NPR nodes */ | |
2281 | void | |
2282 | lpfc_disc_start(struct lpfc_vport *vport) | |
2283 | { | |
2284 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2285 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 2286 | uint32_t num_sent; |
dea3101e | 2287 | uint32_t clear_la_pending; |
685f0bf7 | 2288 | int did_changed; |
dea3101e | 2289 | |
2e0fef85 | 2290 | if (!lpfc_is_link_up(phba)) |
dea3101e | 2291 | return; |
2e0fef85 JS |
2292 | |
2293 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 2294 | clear_la_pending = 1; |
2295 | else | |
2296 | clear_la_pending = 0; | |
2297 | ||
2e0fef85 JS |
2298 | if (vport->port_state < LPFC_VPORT_READY) |
2299 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 2300 | |
2e0fef85 JS |
2301 | lpfc_set_disctmo(vport); |
2302 | ||
2303 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 2304 | did_changed = 0; |
2e0fef85 | 2305 | else |
dea3101e | 2306 | did_changed = 1; |
2e0fef85 JS |
2307 | |
2308 | vport->fc_prevDID = vport->fc_myDID; | |
2309 | vport->num_disc_nodes = 0; | |
dea3101e | 2310 | |
2311 | /* Start Discovery state <hba_state> */ | |
2312 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 2313 | "%d (%d):0202 Start Discovery hba state x%x " |
dea3101e | 2314 | "Data: x%x x%x x%x\n", |
92d7f7b0 JS |
2315 | phba->brd_no, vport->vpi, vport->port_state, |
2316 | vport->fc_flag, vport->fc_plogi_cnt, | |
2317 | vport->fc_adisc_cnt); | |
dea3101e | 2318 | |
2319 | /* First do ADISCs - if any */ | |
2e0fef85 | 2320 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 2321 | |
2322 | if (num_sent) | |
2323 | return; | |
2324 | ||
92d7f7b0 JS |
2325 | /* |
2326 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
2327 | * continue discovery. | |
2328 | */ | |
2329 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
2330 | !(vport->fc_flag & FC_RSCN_MODE)) { | |
2331 | lpfc_issue_reg_vpi(phba, vport); | |
2332 | return; | |
2333 | } | |
2334 | ||
2335 | /* | |
2336 | * For SLI2, we need to set port_state to READY and continue | |
2337 | * discovery. | |
2338 | */ | |
2e0fef85 | 2339 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 2340 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 2341 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 2342 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 2343 | |
92d7f7b0 | 2344 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
2345 | vport->num_disc_nodes = 0; |
2346 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
2347 | if (vport->fc_npr_cnt) | |
2348 | lpfc_els_disc_plogi(vport); | |
2349 | ||
2350 | if (!vport->num_disc_nodes) { | |
2351 | spin_lock_irq(shost->host_lock); | |
2352 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2353 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 2354 | lpfc_can_disctmo(vport); |
dea3101e | 2355 | } |
2356 | } | |
92d7f7b0 | 2357 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2358 | } else { |
2359 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 2360 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 2361 | |
2362 | if (num_sent) | |
2363 | return; | |
2364 | ||
2e0fef85 | 2365 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 2366 | /* Check to see if more RSCNs came in while we |
2367 | * were processing this one. | |
2368 | */ | |
2e0fef85 JS |
2369 | if ((vport->fc_rscn_id_cnt == 0) && |
2370 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
2371 | spin_lock_irq(shost->host_lock); | |
2372 | vport->fc_flag &= ~FC_RSCN_MODE; | |
2373 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 2374 | lpfc_can_disctmo(vport); |
2fe165b6 | 2375 | } else |
2e0fef85 | 2376 | lpfc_els_handle_rscn(vport); |
dea3101e | 2377 | } |
2378 | } | |
2379 | return; | |
2380 | } | |
2381 | ||
2382 | /* | |
2383 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
2384 | * ring the match the sppecified nodelist. | |
2385 | */ | |
2386 | static void | |
2e0fef85 | 2387 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 2388 | { |
2534ba75 | 2389 | LIST_HEAD(completions); |
dea3101e | 2390 | struct lpfc_sli *psli; |
2391 | IOCB_t *icmd; | |
2392 | struct lpfc_iocbq *iocb, *next_iocb; | |
2393 | struct lpfc_sli_ring *pring; | |
dea3101e | 2394 | |
2395 | psli = &phba->sli; | |
2396 | pring = &psli->ring[LPFC_ELS_RING]; | |
2397 | ||
2398 | /* Error matching iocb on txq or txcmplq | |
2399 | * First check the txq. | |
2400 | */ | |
2e0fef85 | 2401 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2402 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
2403 | if (iocb->context1 != ndlp) { | |
2404 | continue; | |
2405 | } | |
2406 | icmd = &iocb->iocb; | |
2407 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2408 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2409 | ||
2534ba75 | 2410 | list_move_tail(&iocb->list, &completions); |
dea3101e | 2411 | pring->txq_cnt--; |
dea3101e | 2412 | } |
2413 | } | |
2414 | ||
2415 | /* Next check the txcmplq */ | |
2416 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
2417 | if (iocb->context1 != ndlp) { | |
2418 | continue; | |
2419 | } | |
2420 | icmd = &iocb->iocb; | |
2e0fef85 JS |
2421 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
2422 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
2423 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
2424 | } | |
2425 | } | |
2e0fef85 | 2426 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2427 | |
2534ba75 JS |
2428 | while (!list_empty(&completions)) { |
2429 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
92d7f7b0 | 2430 | list_del_init(&iocb->list); |
dea3101e | 2431 | |
2e0fef85 JS |
2432 | if (!iocb->iocb_cmpl) |
2433 | lpfc_sli_release_iocbq(phba, iocb); | |
2434 | else { | |
2534ba75 JS |
2435 | icmd = &iocb->iocb; |
2436 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
2437 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2438 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 2439 | } |
dea3101e | 2440 | } |
dea3101e | 2441 | } |
2442 | ||
2443 | void | |
2e0fef85 | 2444 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 2445 | { |
2446 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 2447 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2448 | |
2e0fef85 JS |
2449 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
2450 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 JS |
2451 | nlp_listp) { |
2452 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || | |
2453 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
2454 | lpfc_free_tx(phba, ndlp); | |
2455 | lpfc_nlp_put(ndlp); | |
2456 | } | |
dea3101e | 2457 | } |
2458 | } | |
dea3101e | 2459 | } |
2460 | ||
92d7f7b0 JS |
2461 | void |
2462 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
2463 | { | |
2464 | lpfc_els_flush_rscn(vport); | |
2465 | lpfc_els_flush_cmd(vport); | |
2466 | lpfc_disc_flush_list(vport); | |
2467 | } | |
2468 | ||
dea3101e | 2469 | /*****************************************************************************/ |
2470 | /* | |
2471 | * NAME: lpfc_disc_timeout | |
2472 | * | |
2473 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
2474 | * | |
2475 | * EXECUTION ENVIRONMENT: interrupt only | |
2476 | * | |
2477 | * CALLED FROM: | |
2478 | * Timer function | |
2479 | * | |
2480 | * RETURNS: | |
2481 | * none | |
2482 | */ | |
2483 | /*****************************************************************************/ | |
2484 | void | |
2485 | lpfc_disc_timeout(unsigned long ptr) | |
2486 | { | |
2e0fef85 JS |
2487 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
2488 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2489 | unsigned long flags = 0; |
2490 | ||
2491 | if (unlikely(!phba)) | |
2492 | return; | |
2493 | ||
2e0fef85 JS |
2494 | if ((vport->work_port_events & WORKER_DISC_TMO) == 0) { |
2495 | spin_lock_irqsave(&vport->work_port_lock, flags); | |
2496 | vport->work_port_events |= WORKER_DISC_TMO; | |
2497 | spin_unlock_irqrestore(&vport->work_port_lock, flags); | |
2498 | ||
92d7f7b0 | 2499 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 2500 | if (phba->work_wait) |
92d7f7b0 JS |
2501 | lpfc_worker_wake_up(phba); |
2502 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
dea3101e | 2503 | } |
dea3101e | 2504 | return; |
2505 | } | |
2506 | ||
2507 | static void | |
2e0fef85 | 2508 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 2509 | { |
2e0fef85 JS |
2510 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2511 | struct lpfc_hba *phba = vport->phba; | |
2512 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 2513 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 2514 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 2515 | int rc, clrlaerr = 0; |
2516 | ||
2e0fef85 | 2517 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 2518 | return; |
2519 | ||
2e0fef85 JS |
2520 | spin_lock_irq(shost->host_lock); |
2521 | vport->fc_flag &= ~FC_DISC_TMO; | |
2522 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2523 | |
858c9f6c JS |
2524 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2525 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
2526 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
2527 | ||
2e0fef85 | 2528 | switch (vport->port_state) { |
dea3101e | 2529 | |
2530 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
2531 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
2532 | * FAN | |
2533 | */ | |
2534 | /* FAN timeout */ | |
ed957684 | 2535 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, |
92d7f7b0 JS |
2536 | "%d (%d):0221 FAN timeout\n", |
2537 | phba->brd_no, vport->vpi); | |
dea3101e | 2538 | |
c9f8735b | 2539 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 2540 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
2541 | nlp_listp) { |
2542 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
2543 | continue; | |
c9f8735b JW |
2544 | if (ndlp->nlp_type & NLP_FABRIC) { |
2545 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 2546 | lpfc_drop_node(vport, ndlp); |
2fe165b6 | 2547 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
2548 | /* Fail outstanding IO now since device |
2549 | * is marked for PLOGI. | |
2550 | */ | |
2e0fef85 | 2551 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2552 | } |
2553 | } | |
92d7f7b0 JS |
2554 | if (vport->port_state != LPFC_FLOGI) { |
2555 | vport->port_state = LPFC_FLOGI; | |
2556 | lpfc_set_disctmo(vport); | |
2557 | lpfc_initial_flogi(vport); | |
2558 | } | |
dea3101e | 2559 | break; |
2560 | ||
92d7f7b0 | 2561 | case LPFC_FDISC: |
dea3101e | 2562 | case LPFC_FLOGI: |
2e0fef85 | 2563 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 2564 | /* Initial FLOGI timeout */ |
ed957684 | 2565 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2566 | "%d (%d):0222 Initial %s timeout\n", |
2567 | phba->brd_no, vport->vpi, | |
2568 | vport->vpi ? "FLOGI" : "FDISC"); | |
dea3101e | 2569 | |
2570 | /* Assume no Fabric and go on with discovery. | |
2571 | * Check for outstanding ELS FLOGI to abort. | |
2572 | */ | |
2573 | ||
2574 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 2575 | lpfc_disc_list_loopmap(vport); |
dea3101e | 2576 | |
2577 | /* Start discovery */ | |
2e0fef85 | 2578 | lpfc_disc_start(vport); |
dea3101e | 2579 | break; |
2580 | ||
2581 | case LPFC_FABRIC_CFG_LINK: | |
2582 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2583 | NameServer login */ | |
2584 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 JS |
2585 | "%d (%d):0223 Timeout while waiting for " |
2586 | "NameServer login\n", | |
2587 | phba->brd_no, vport->vpi); | |
dea3101e | 2588 | |
2589 | /* Next look for NameServer ndlp */ | |
2e0fef85 | 2590 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
dea3101e | 2591 | if (ndlp) |
329f9bc7 | 2592 | lpfc_nlp_put(ndlp); |
dea3101e | 2593 | /* Start discovery */ |
2e0fef85 | 2594 | lpfc_disc_start(vport); |
dea3101e | 2595 | break; |
2596 | ||
2597 | case LPFC_NS_QRY: | |
2598 | /* Check for wait for NameServer Rsp timeout */ | |
2599 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 | 2600 | "%d (%d):0224 NameServer Query timeout " |
dea3101e | 2601 | "Data: x%x x%x\n", |
92d7f7b0 | 2602 | phba->brd_no, vport->vpi, |
2e0fef85 | 2603 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); |
dea3101e | 2604 | |
92d7f7b0 JS |
2605 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
2606 | /* Try it one more time */ | |
2607 | vport->fc_ns_retry++; | |
2608 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
2609 | vport->fc_ns_retry, 0); | |
2610 | if (rc == 0) | |
2611 | break; | |
dea3101e | 2612 | } |
92d7f7b0 | 2613 | vport->fc_ns_retry = 0; |
dea3101e | 2614 | |
92d7f7b0 JS |
2615 | /* |
2616 | * Discovery is over. | |
2617 | * set port_state to PORT_READY if SLI2. | |
2618 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
2619 | */ | |
2620 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2621 | lpfc_issue_reg_vpi(phba, vport); | |
2622 | else { /* NPIV Not enabled */ | |
2623 | lpfc_issue_clear_la(phba, vport); | |
2624 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 2625 | } |
2626 | ||
2627 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2628 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2629 | if (!initlinkmbox) { | |
2630 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 | 2631 | "%d (%d):0206 Device Discovery " |
dea3101e | 2632 | "completion error\n", |
92d7f7b0 | 2633 | phba->brd_no, vport->vpi); |
2e0fef85 | 2634 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2635 | break; |
2636 | } | |
2637 | ||
2638 | lpfc_linkdown(phba); | |
2639 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2640 | phba->cfg_link_speed); | |
2641 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
ed957684 | 2642 | initlinkmbox->vport = vport; |
92d7f7b0 | 2643 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 2644 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, |
2645 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2646 | lpfc_set_loopback_flag(phba); |
dea3101e | 2647 | if (rc == MBX_NOT_FINISHED) |
2648 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2649 | ||
2650 | break; | |
2651 | ||
2652 | case LPFC_DISC_AUTH: | |
2653 | /* Node Authentication timeout */ | |
ed957684 | 2654 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2655 | "%d (%d):0227 Node Authentication timeout\n", |
2656 | phba->brd_no, vport->vpi); | |
2e0fef85 JS |
2657 | lpfc_disc_flush_list(vport); |
2658 | ||
92d7f7b0 JS |
2659 | /* |
2660 | * set port_state to PORT_READY if SLI2. | |
2661 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
2662 | */ | |
2663 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2664 | lpfc_issue_reg_vpi(phba, vport); | |
2665 | else { /* NPIV Not enabled */ | |
2666 | lpfc_issue_clear_la(phba, vport); | |
2667 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 2668 | } |
2669 | break; | |
2670 | ||
2e0fef85 JS |
2671 | case LPFC_VPORT_READY: |
2672 | if (vport->fc_flag & FC_RSCN_MODE) { | |
ed957684 | 2673 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2674 | "%d (%d):0231 RSCN timeout Data: x%x " |
2675 | "x%x\n", | |
2676 | phba->brd_no, vport->vpi, | |
2e0fef85 | 2677 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); |
dea3101e | 2678 | |
2679 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 2680 | lpfc_els_flush_cmd(vport); |
dea3101e | 2681 | |
2e0fef85 JS |
2682 | lpfc_els_flush_rscn(vport); |
2683 | lpfc_disc_flush_list(vport); | |
dea3101e | 2684 | } |
2685 | break; | |
2e0fef85 | 2686 | |
92d7f7b0 | 2687 | default: |
ed957684 | 2688 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2689 | "%d (%d):0229 Unexpected discovery timeout, " |
2690 | "vport State x%x\n", | |
2691 | phba->brd_no, vport->vpi, vport->port_state); | |
2e0fef85 JS |
2692 | |
2693 | break; | |
2694 | } | |
2695 | ||
2696 | switch (phba->link_state) { | |
2697 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 2698 | /* CLEAR LA timeout */ |
ed957684 | 2699 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2700 | "%d (%d):0228 CLEAR LA timeout\n", |
2701 | phba->brd_no, vport->vpi); | |
2e0fef85 JS |
2702 | clrlaerr = 1; |
2703 | break; | |
2704 | ||
2705 | case LPFC_LINK_UNKNOWN: | |
2706 | case LPFC_WARM_START: | |
2707 | case LPFC_INIT_START: | |
2708 | case LPFC_INIT_MBX_CMDS: | |
2709 | case LPFC_LINK_DOWN: | |
2710 | case LPFC_LINK_UP: | |
2711 | case LPFC_HBA_ERROR: | |
ed957684 | 2712 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 | 2713 | "%d (%d):0230 Unexpected timeout, hba link " |
2e0fef85 | 2714 | "state x%x\n", |
92d7f7b0 | 2715 | phba->brd_no, vport->vpi, phba->link_state); |
2e0fef85 JS |
2716 | clrlaerr = 1; |
2717 | break; | |
92d7f7b0 JS |
2718 | |
2719 | case LPFC_HBA_READY: | |
2720 | break; | |
dea3101e | 2721 | } |
2722 | ||
2723 | if (clrlaerr) { | |
2e0fef85 | 2724 | lpfc_disc_flush_list(vport); |
a4bc3379 | 2725 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 2726 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
2727 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 2728 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2729 | } |
2730 | ||
2731 | return; | |
2732 | } | |
2733 | ||
dea3101e | 2734 | /* |
2735 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2736 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2737 | * as the completion routine when the command is | |
2738 | * handed off to the SLI layer. | |
2739 | */ | |
2740 | void | |
2e0fef85 | 2741 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2742 | { |
2e0fef85 JS |
2743 | MAILBOX_t *mb = &pmb->mb; |
2744 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2745 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2746 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 2747 | |
2748 | pmb->context1 = NULL; | |
2749 | ||
dea3101e | 2750 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 2751 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2752 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2753 | |
2e0fef85 JS |
2754 | /* |
2755 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
2756 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
2757 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 2758 | */ |
2e0fef85 JS |
2759 | |
2760 | if (phba->cfg_fdmi_on == 1) | |
2761 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); | |
2762 | else | |
2763 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 2764 | |
329f9bc7 JS |
2765 | /* Mailbox took a reference to the node */ |
2766 | lpfc_nlp_put(ndlp); | |
dea3101e | 2767 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2768 | kfree(mp); | |
329f9bc7 | 2769 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2770 | |
2771 | return; | |
2772 | } | |
2773 | ||
685f0bf7 JS |
2774 | static int |
2775 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
2776 | { | |
2777 | uint16_t *rpi = param; | |
2778 | ||
2779 | return ndlp->nlp_rpi == *rpi; | |
2780 | } | |
2781 | ||
2782 | static int | |
2783 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
2784 | { | |
2785 | return memcmp(&ndlp->nlp_portname, param, | |
2786 | sizeof(ndlp->nlp_portname)) == 0; | |
2787 | } | |
2788 | ||
dea3101e | 2789 | struct lpfc_nodelist * |
2e0fef85 | 2790 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 2791 | { |
21568f53 | 2792 | struct lpfc_nodelist *ndlp; |
dea3101e | 2793 | |
2e0fef85 | 2794 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2795 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && |
2796 | filter(ndlp, param)) | |
2797 | return ndlp; | |
2798 | } | |
21568f53 | 2799 | return NULL; |
dea3101e | 2800 | } |
2801 | ||
685f0bf7 JS |
2802 | /* |
2803 | * Search node lists for a remote port matching filter criteria | |
92d7f7b0 | 2804 | * Caller needs to hold host_lock before calling this routine. |
685f0bf7 JS |
2805 | */ |
2806 | struct lpfc_nodelist * | |
2e0fef85 | 2807 | lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
685f0bf7 | 2808 | { |
2e0fef85 | 2809 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
685f0bf7 JS |
2810 | struct lpfc_nodelist *ndlp; |
2811 | ||
2e0fef85 JS |
2812 | spin_lock_irq(shost->host_lock); |
2813 | ndlp = __lpfc_find_node(vport, filter, param); | |
2814 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
2815 | return ndlp; |
2816 | } | |
2817 | ||
2818 | /* | |
2819 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 2820 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
2821 | */ |
2822 | struct lpfc_nodelist * | |
2e0fef85 | 2823 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 2824 | { |
2e0fef85 | 2825 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
2826 | } |
2827 | ||
2534ba75 | 2828 | struct lpfc_nodelist * |
2e0fef85 | 2829 | lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
2534ba75 | 2830 | { |
2e0fef85 | 2831 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2534ba75 JS |
2832 | struct lpfc_nodelist *ndlp; |
2833 | ||
2e0fef85 JS |
2834 | spin_lock_irq(shost->host_lock); |
2835 | ndlp = __lpfc_findnode_rpi(vport, rpi); | |
2836 | spin_unlock_irq(shost->host_lock); | |
2534ba75 JS |
2837 | return ndlp; |
2838 | } | |
2839 | ||
488d1469 | 2840 | /* |
685f0bf7 | 2841 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 2842 | * returns the node element list pointer else return NULL. |
488d1469 JS |
2843 | */ |
2844 | struct lpfc_nodelist * | |
2e0fef85 | 2845 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 2846 | { |
2e0fef85 | 2847 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 2848 | struct lpfc_nodelist *ndlp; |
488d1469 | 2849 | |
2e0fef85 JS |
2850 | spin_lock_irq(shost->host_lock); |
2851 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
2852 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 2853 | return ndlp; |
488d1469 JS |
2854 | } |
2855 | ||
92d7f7b0 JS |
2856 | void |
2857 | lpfc_dev_loss_delay(unsigned long ptr) | |
2858 | { | |
2859 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; | |
2860 | struct lpfc_vport *vport = ndlp->vport; | |
2861 | struct lpfc_hba *phba = vport->phba; | |
2862 | struct lpfc_work_evt *evtp = &ndlp->dev_loss_evt; | |
2863 | unsigned long flags; | |
2864 | ||
2865 | evtp = &ndlp->dev_loss_evt; | |
2866 | ||
2867 | spin_lock_irqsave(&phba->hbalock, flags); | |
2868 | if (!list_empty(&evtp->evt_listp)) { | |
2869 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
2870 | return; | |
2871 | } | |
2872 | ||
2873 | evtp->evt_arg1 = ndlp; | |
858c9f6c | 2874 | evtp->evt = LPFC_EVT_DEV_LOSS_DELAY; |
92d7f7b0 JS |
2875 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
2876 | if (phba->work_wait) | |
2877 | lpfc_worker_wake_up(phba); | |
2878 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
2879 | return; | |
2880 | } | |
2881 | ||
dea3101e | 2882 | void |
2e0fef85 JS |
2883 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2884 | uint32_t did) | |
dea3101e | 2885 | { |
2886 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
dea3101e | 2887 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
92d7f7b0 | 2888 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); |
dea3101e | 2889 | init_timer(&ndlp->nlp_delayfunc); |
2890 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2891 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2892 | ndlp->nlp_DID = did; | |
2e0fef85 | 2893 | ndlp->vport = vport; |
dea3101e | 2894 | ndlp->nlp_sid = NLP_NO_SID; |
685f0bf7 | 2895 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
329f9bc7 | 2896 | kref_init(&ndlp->kref); |
858c9f6c JS |
2897 | |
2898 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
2899 | "node init: did:x%x", | |
2900 | ndlp->nlp_DID, 0, 0); | |
2901 | ||
dea3101e | 2902 | return; |
2903 | } | |
329f9bc7 JS |
2904 | |
2905 | void | |
2906 | lpfc_nlp_release(struct kref *kref) | |
2907 | { | |
2908 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, | |
2909 | kref); | |
858c9f6c JS |
2910 | |
2911 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
2912 | "node release: did:x%x flg:x%x type:x%x", | |
2913 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
2914 | ||
2e0fef85 JS |
2915 | lpfc_nlp_remove(ndlp->vport, ndlp); |
2916 | mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); | |
329f9bc7 JS |
2917 | } |
2918 | ||
2919 | struct lpfc_nodelist * | |
2920 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
2921 | { | |
2922 | if (ndlp) | |
2923 | kref_get(&ndlp->kref); | |
2924 | return ndlp; | |
2925 | } | |
2926 | ||
2927 | int | |
2928 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
2929 | { | |
2930 | return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; | |
2931 | } |