Commit | Line | Data |
---|---|---|
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; |
549e55cd JS |
352 | struct lpfc_vport **vports; |
353 | int i; | |
dea3101e | 354 | |
2e0fef85 | 355 | spin_lock_irq(&phba->hbalock); |
dea3101e | 356 | ha_copy = phba->work_ha; |
357 | phba->work_ha = 0; | |
2e0fef85 | 358 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 359 | |
2fe165b6 | 360 | if (ha_copy & HA_ERATT) |
dea3101e | 361 | lpfc_handle_eratt(phba); |
362 | ||
2fe165b6 | 363 | if (ha_copy & HA_MBATT) |
dea3101e | 364 | lpfc_sli_handle_mb_event(phba); |
365 | ||
2fe165b6 | 366 | if (ha_copy & HA_LATT) |
dea3101e | 367 | lpfc_handle_latt(phba); |
549e55cd JS |
368 | vports = lpfc_create_vport_work_array(phba); |
369 | if (vports != NULL) | |
370 | for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { | |
371 | work_port_events = vports[i]->work_port_events; | |
372 | if (work_port_events & WORKER_DISC_TMO) | |
373 | lpfc_disc_timeout_handler(vports[i]); | |
374 | if (work_port_events & WORKER_ELS_TMO) | |
375 | lpfc_els_timeout_handler(vports[i]); | |
376 | if (work_port_events & WORKER_HB_TMO) | |
377 | lpfc_hb_timeout_handler(phba); | |
378 | if (work_port_events & WORKER_MBOX_TMO) | |
379 | lpfc_mbox_timeout_handler(phba); | |
380 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
381 | lpfc_unblock_fabric_iocbs(phba); | |
382 | if (work_port_events & WORKER_FDMI_TMO) | |
383 | lpfc_fdmi_timeout_handler(vports[i]); | |
384 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) | |
385 | lpfc_ramp_down_queue_handler(phba); | |
386 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
387 | lpfc_ramp_up_queue_handler(phba); | |
388 | spin_lock_irq(&vports[i]->work_port_lock); | |
389 | vports[i]->work_port_events &= ~work_port_events; | |
390 | spin_unlock_irq(&vports[i]->work_port_lock); | |
92d7f7b0 | 391 | } |
549e55cd | 392 | lpfc_destroy_vport_work_array(vports); |
dea3101e | 393 | |
858c9f6c JS |
394 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
395 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
396 | status >>= (4*LPFC_ELS_RING); | |
397 | if ((status & HA_RXMASK) | |
398 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
399 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
400 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
401 | } else { | |
402 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
403 | (status & | |
404 | HA_RXMASK)); | |
405 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
406 | } | |
407 | /* | |
408 | * Turn on Ring interrupts | |
409 | */ | |
410 | spin_lock_irq(&phba->hbalock); | |
411 | control = readl(phba->HCregaddr); | |
412 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
a58cbd52 JS |
413 | lpfc_debugfs_slow_ring_trc(phba, |
414 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
415 | control, ha_copy, 0); | |
416 | ||
858c9f6c | 417 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); |
dea3101e | 418 | writel(control, phba->HCregaddr); |
419 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 420 | } |
a58cbd52 JS |
421 | else { |
422 | lpfc_debugfs_slow_ring_trc(phba, | |
423 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
424 | control, ha_copy, 0); | |
425 | } | |
858c9f6c | 426 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 427 | } |
2e0fef85 | 428 | lpfc_work_list_done(phba); |
dea3101e | 429 | } |
430 | ||
431 | static int | |
2e0fef85 JS |
432 | check_work_wait_done(struct lpfc_hba *phba) |
433 | { | |
92d7f7b0 | 434 | struct lpfc_vport *vport; |
549e55cd | 435 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
858c9f6c | 436 | int rc = 0; |
ed957684 | 437 | |
2e0fef85 | 438 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 JS |
439 | list_for_each_entry(vport, &phba->port_list, listentry) { |
440 | if (vport->work_port_events) { | |
441 | rc = 1; | |
549e55cd | 442 | break; |
92d7f7b0 JS |
443 | } |
444 | } | |
549e55cd JS |
445 | if (rc || phba->work_ha || (!list_empty(&phba->work_list)) || |
446 | kthread_should_stop() || pring->flag & LPFC_DEFERRED_RING_EVENT) { | |
858c9f6c | 447 | rc = 1; |
92d7f7b0 | 448 | phba->work_found++; |
549e55cd | 449 | } else |
92d7f7b0 | 450 | phba->work_found = 0; |
2e0fef85 JS |
451 | spin_unlock_irq(&phba->hbalock); |
452 | return rc; | |
dea3101e | 453 | } |
454 | ||
92d7f7b0 | 455 | |
dea3101e | 456 | int |
457 | lpfc_do_work(void *p) | |
458 | { | |
459 | struct lpfc_hba *phba = p; | |
460 | int rc; | |
7259f0d0 | 461 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq); |
dea3101e | 462 | |
463 | set_user_nice(current, -20); | |
464 | phba->work_wait = &work_waitq; | |
92d7f7b0 | 465 | phba->work_found = 0; |
dea3101e | 466 | |
467 | while (1) { | |
468 | ||
469 | rc = wait_event_interruptible(work_waitq, | |
92d7f7b0 JS |
470 | check_work_wait_done(phba)); |
471 | ||
dea3101e | 472 | BUG_ON(rc); |
473 | ||
474 | if (kthread_should_stop()) | |
475 | break; | |
476 | ||
477 | lpfc_work_done(phba); | |
478 | ||
92d7f7b0 JS |
479 | /* If there is alot of slow ring work, like during link up |
480 | * check_work_wait_done() may cause this thread to not give | |
481 | * up the CPU for very long periods of time. This may cause | |
482 | * soft lockups or other problems. To avoid these situations | |
483 | * give up the CPU here after LPFC_MAX_WORKER_ITERATION | |
484 | * consecutive iterations. | |
485 | */ | |
486 | if (phba->work_found >= LPFC_MAX_WORKER_ITERATION) { | |
487 | phba->work_found = 0; | |
488 | schedule(); | |
489 | } | |
dea3101e | 490 | } |
491 | phba->work_wait = NULL; | |
492 | return 0; | |
493 | } | |
494 | ||
495 | /* | |
496 | * This is only called to handle FC worker events. Since this a rare | |
497 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
498 | * embedding it in the IOCB. | |
499 | */ | |
500 | int | |
2e0fef85 | 501 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 502 | uint32_t evt) |
503 | { | |
504 | struct lpfc_work_evt *evtp; | |
ed957684 | 505 | unsigned long flags; |
dea3101e | 506 | |
507 | /* | |
508 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
509 | * be queued to worker thread for processing | |
510 | */ | |
92d7f7b0 | 511 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 512 | if (!evtp) |
513 | return 0; | |
514 | ||
515 | evtp->evt_arg1 = arg1; | |
516 | evtp->evt_arg2 = arg2; | |
517 | evtp->evt = evt; | |
518 | ||
ed957684 | 519 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 520 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
dea3101e | 521 | if (phba->work_wait) |
92d7f7b0 | 522 | lpfc_worker_wake_up(phba); |
ed957684 | 523 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 524 | |
525 | return 1; | |
526 | } | |
527 | ||
92d7f7b0 JS |
528 | void |
529 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
530 | { | |
531 | struct lpfc_hba *phba = vport->phba; | |
532 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
533 | int rc; | |
534 | ||
535 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
536 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
537 | continue; | |
538 | ||
539 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) | |
540 | lpfc_unreg_rpi(vport, ndlp); | |
541 | ||
542 | /* Leave Fabric nodes alone on link down */ | |
543 | if (!remove && ndlp->nlp_type & NLP_FABRIC) | |
544 | continue; | |
545 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
546 | remove | |
547 | ? NLP_EVT_DEVICE_RM | |
548 | : NLP_EVT_DEVICE_RECOVERY); | |
549 | } | |
550 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
551 | lpfc_mbx_unreg_vpi(vport); | |
552 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
553 | } | |
554 | } | |
555 | ||
556 | static void | |
557 | lpfc_linkdown_port(struct lpfc_vport *vport) | |
558 | { | |
559 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
560 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
561 | ||
562 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
563 | ||
858c9f6c JS |
564 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
565 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
566 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
567 | ||
92d7f7b0 JS |
568 | /* Cleanup any outstanding RSCN activity */ |
569 | lpfc_els_flush_rscn(vport); | |
570 | ||
571 | /* Cleanup any outstanding ELS commands */ | |
572 | lpfc_els_flush_cmd(vport); | |
573 | ||
574 | lpfc_cleanup_rpis(vport, 0); | |
575 | ||
576 | /* free any ndlp's on unused list */ | |
577 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) | |
92d7f7b0 JS |
578 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
579 | lpfc_drop_node(vport, ndlp); | |
580 | ||
581 | /* Turn off discovery timer if its running */ | |
582 | lpfc_can_disctmo(vport); | |
583 | } | |
584 | ||
dea3101e | 585 | int |
685f0bf7 | 586 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 587 | { |
2e0fef85 JS |
588 | struct lpfc_vport *vport = phba->pport; |
589 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 590 | struct lpfc_vport **vports; |
685f0bf7 | 591 | LPFC_MBOXQ_t *mb; |
549e55cd | 592 | int i; |
dea3101e | 593 | |
2e0fef85 JS |
594 | if (phba->link_state == LPFC_LINK_DOWN) { |
595 | return 0; | |
c9f8735b | 596 | } |
2e0fef85 | 597 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 | 598 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 599 | phba->link_state = LPFC_LINK_DOWN; |
92d7f7b0 JS |
600 | phba->pport->fc_flag &= ~FC_LBIT; |
601 | } | |
2e0fef85 | 602 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
603 | vports = lpfc_create_vport_work_array(phba); |
604 | if (vports != NULL) | |
605 | for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { | |
606 | /* Issue a LINK DOWN event to all nodes */ | |
607 | lpfc_linkdown_port(vports[i]); | |
608 | } | |
609 | lpfc_destroy_vport_work_array(vports); | |
dea3101e | 610 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
611 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
612 | if (mb) { | |
92d7f7b0 | 613 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 614 | mb->vport = vport; |
2e0fef85 | 615 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 616 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
617 | == MBX_NOT_FINISHED) { | |
2e0fef85 | 618 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 619 | } |
620 | } | |
621 | ||
dea3101e | 622 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
623 | if (phba->pport->fc_flag & FC_PT2PT) { |
624 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
625 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
626 | if (mb) { | |
dea3101e | 627 | lpfc_config_link(phba, mb); |
92d7f7b0 | 628 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 629 | mb->vport = vport; |
2e0fef85 JS |
630 | if (lpfc_sli_issue_mbox(phba, mb, |
631 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
dea3101e | 632 | == MBX_NOT_FINISHED) { |
2e0fef85 | 633 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 634 | } |
635 | } | |
2e0fef85 | 636 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 637 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 638 | spin_unlock_irq(shost->host_lock); |
dea3101e | 639 | } |
2e0fef85 | 640 | |
92d7f7b0 JS |
641 | return 0; |
642 | } | |
dea3101e | 643 | |
92d7f7b0 JS |
644 | static void |
645 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
646 | { | |
647 | struct lpfc_nodelist *ndlp; | |
dea3101e | 648 | |
92d7f7b0 JS |
649 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
650 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
651 | continue; | |
652 | ||
653 | if (ndlp->nlp_type & NLP_FABRIC) { | |
654 | /* On Linkup its safe to clean up the ndlp | |
655 | * from Fabric connections. | |
656 | */ | |
657 | if (ndlp->nlp_DID != Fabric_DID) | |
658 | lpfc_unreg_rpi(vport, ndlp); | |
659 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
660 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
661 | /* Fail outstanding IO now since device is | |
662 | * marked for PLOGI. | |
663 | */ | |
664 | lpfc_unreg_rpi(vport, ndlp); | |
665 | } | |
666 | } | |
dea3101e | 667 | } |
668 | ||
92d7f7b0 JS |
669 | static void |
670 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 671 | { |
92d7f7b0 | 672 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 673 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 JS |
674 | struct lpfc_hba *phba = vport->phba; |
675 | ||
676 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
677 | return; | |
678 | ||
858c9f6c JS |
679 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
680 | "Link Up: top:x%x speed:x%x flg:x%x", | |
681 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
682 | ||
92d7f7b0 JS |
683 | /* If NPIV is not enabled, only bring the physical port up */ |
684 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
685 | (vport != phba->pport)) | |
686 | return; | |
dea3101e | 687 | |
2e0fef85 | 688 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 689 | |
2e0fef85 | 690 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
691 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
692 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
693 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
694 | vport->fc_ns_retry = 0; | |
695 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 696 | |
92d7f7b0 JS |
697 | if (vport->fc_flag & FC_LBIT) |
698 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 699 | |
92d7f7b0 | 700 | /* free any ndlp's in unused state */ |
2e0fef85 | 701 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
92d7f7b0 | 702 | nlp_listp) |
685f0bf7 | 703 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2e0fef85 | 704 | lpfc_drop_node(vport, ndlp); |
92d7f7b0 JS |
705 | } |
706 | ||
707 | static int | |
708 | lpfc_linkup(struct lpfc_hba *phba) | |
709 | { | |
549e55cd JS |
710 | struct lpfc_vport **vports; |
711 | int i; | |
92d7f7b0 JS |
712 | |
713 | phba->link_state = LPFC_LINK_UP; | |
714 | ||
715 | /* Unblock fabric iocbs if they are blocked */ | |
716 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
717 | del_timer_sync(&phba->fabric_block_timer); | |
718 | ||
549e55cd JS |
719 | vports = lpfc_create_vport_work_array(phba); |
720 | if (vports != NULL) | |
721 | for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) | |
722 | lpfc_linkup_port(vports[i]); | |
723 | lpfc_destroy_vport_work_array(vports); | |
92d7f7b0 JS |
724 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) |
725 | lpfc_issue_clear_la(phba, phba->pport); | |
dea3101e | 726 | |
727 | return 0; | |
728 | } | |
729 | ||
730 | /* | |
731 | * This routine handles processing a CLEAR_LA mailbox | |
732 | * command upon completion. It is setup in the LPFC_MBOXQ | |
733 | * as the completion routine when the command is | |
734 | * handed off to the SLI layer. | |
735 | */ | |
736 | void | |
2e0fef85 | 737 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 738 | { |
2e0fef85 JS |
739 | struct lpfc_vport *vport = pmb->vport; |
740 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
741 | struct lpfc_sli *psli = &phba->sli; | |
742 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 743 | uint32_t control; |
744 | ||
dea3101e | 745 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 746 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 747 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
748 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
749 | ||
750 | /* Check for error */ | |
751 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 752 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
dea3101e | 753 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
92d7f7b0 | 754 | "%d (%d):0320 CLEAR_LA mbxStatus error x%x hba " |
dea3101e | 755 | "state x%x\n", |
92d7f7b0 JS |
756 | phba->brd_no, vport->vpi, mb->mbxStatus, |
757 | vport->port_state); | |
dea3101e | 758 | |
2e0fef85 | 759 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 760 | goto out; |
761 | } | |
762 | ||
92d7f7b0 JS |
763 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
764 | phba->link_state = LPFC_HBA_READY; | |
765 | ||
766 | spin_lock_irq(&phba->hbalock); | |
767 | psli->sli_flag |= LPFC_PROCESS_LA; | |
768 | control = readl(phba->HCregaddr); | |
769 | control |= HC_LAINT_ENA; | |
770 | writel(control, phba->HCregaddr); | |
771 | readl(phba->HCregaddr); /* flush */ | |
772 | spin_unlock_irq(&phba->hbalock); | |
773 | return; | |
dea3101e | 774 | |
2e0fef85 JS |
775 | vport->num_disc_nodes = 0; |
776 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
777 | if (vport->fc_npr_cnt) | |
778 | lpfc_els_disc_plogi(vport); | |
dea3101e | 779 | |
2e0fef85 JS |
780 | if (!vport->num_disc_nodes) { |
781 | spin_lock_irq(shost->host_lock); | |
782 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
783 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 784 | } |
785 | ||
2e0fef85 | 786 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 787 | |
788 | out: | |
789 | /* Device Discovery completes */ | |
ed957684 | 790 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
92d7f7b0 JS |
791 | "%d (%d):0225 Device Discovery completes\n", |
792 | phba->brd_no, vport->vpi); | |
dea3101e | 793 | |
2e0fef85 | 794 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 795 | |
2e0fef85 JS |
796 | spin_lock_irq(shost->host_lock); |
797 | vport->fc_flag &= ~(FC_ABORT_DISCOVERY | FC_ESTABLISH_LINK); | |
798 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 799 | |
800 | del_timer_sync(&phba->fc_estabtmo); | |
801 | ||
2e0fef85 | 802 | lpfc_can_disctmo(vport); |
dea3101e | 803 | |
804 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
805 | |
806 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 807 | psli->sli_flag |= LPFC_PROCESS_LA; |
808 | control = readl(phba->HCregaddr); | |
809 | control |= HC_LAINT_ENA; | |
810 | writel(control, phba->HCregaddr); | |
811 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 812 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 813 | |
814 | return; | |
815 | } | |
816 | ||
2e0fef85 | 817 | |
dea3101e | 818 | static void |
25594c6b | 819 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 820 | { |
2e0fef85 | 821 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 822 | |
25594c6b | 823 | if (pmb->mb.mbxStatus) |
dea3101e | 824 | goto out; |
dea3101e | 825 | |
25594c6b JW |
826 | mempool_free(pmb, phba->mbox_mem_pool); |
827 | ||
828 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
829 | vport->fc_flag & FC_PUBLIC_LOOP && |
830 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 831 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 832 | * for timeout. port_state is identically |
25594c6b JW |
833 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
834 | */ | |
2e0fef85 | 835 | lpfc_set_disctmo(vport); |
25594c6b | 836 | return; |
92d7f7b0 | 837 | } |
dea3101e | 838 | |
2e0fef85 | 839 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
840 | * LPFC_FLOGI while waiting for FLOGI cmpl |
841 | */ | |
92d7f7b0 JS |
842 | if (vport->port_state != LPFC_FLOGI) { |
843 | vport->port_state = LPFC_FLOGI; | |
844 | lpfc_set_disctmo(vport); | |
845 | lpfc_initial_flogi(vport); | |
846 | } | |
25594c6b | 847 | return; |
dea3101e | 848 | |
849 | out: | |
25594c6b | 850 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
92d7f7b0 | 851 | "%d (%d):0306 CONFIG_LINK mbxStatus error x%x " |
25594c6b | 852 | "HBA state x%x\n", |
92d7f7b0 JS |
853 | phba->brd_no, vport->vpi, pmb->mb.mbxStatus, |
854 | vport->port_state); | |
25594c6b | 855 | |
92d7f7b0 | 856 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 857 | |
92d7f7b0 | 858 | lpfc_linkdown(phba); |
25594c6b JW |
859 | |
860 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 JS |
861 | "%d (%d):0200 CONFIG_LINK bad hba state x%x\n", |
862 | phba->brd_no, vport->vpi, vport->port_state); | |
dea3101e | 863 | |
92d7f7b0 | 864 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 865 | return; |
866 | } | |
867 | ||
868 | static void | |
2e0fef85 | 869 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 870 | { |
dea3101e | 871 | MAILBOX_t *mb = &pmb->mb; |
872 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
2e0fef85 | 873 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 874 | |
875 | ||
876 | /* Check for error */ | |
877 | if (mb->mbxStatus) { | |
878 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
879 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
92d7f7b0 | 880 | "%d (%d):0319 READ_SPARAM mbxStatus error x%x " |
dea3101e | 881 | "hba state x%x>\n", |
92d7f7b0 JS |
882 | phba->brd_no, vport->vpi, mb->mbxStatus, |
883 | vport->port_state); | |
dea3101e | 884 | |
885 | lpfc_linkdown(phba); | |
dea3101e | 886 | goto out; |
887 | } | |
888 | ||
2e0fef85 | 889 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 890 | sizeof (struct serv_parm)); |
a12e07bc | 891 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
892 | u64_to_wwn(phba->cfg_soft_wwnn, |
893 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 894 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
895 | u64_to_wwn(phba->cfg_soft_wwpn, |
896 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
897 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
898 | sizeof(vport->fc_nodename)); | |
899 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
900 | sizeof(vport->fc_portname)); | |
901 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
902 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
903 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
904 | } | |
905 | ||
dea3101e | 906 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
907 | kfree(mp); | |
2e0fef85 | 908 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 909 | return; |
910 | ||
911 | out: | |
912 | pmb->context1 = NULL; | |
913 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
914 | kfree(mp); | |
92d7f7b0 JS |
915 | lpfc_issue_clear_la(phba, vport); |
916 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 917 | return; |
918 | } | |
919 | ||
920 | static void | |
92d7f7b0 | 921 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 922 | { |
92d7f7b0 | 923 | struct lpfc_vport *vport = phba->pport; |
dea3101e | 924 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; |
2e0fef85 | 925 | int i; |
14691150 JS |
926 | struct lpfc_dmabuf *mp; |
927 | int rc; | |
928 | ||
dea3101e | 929 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
930 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
931 | ||
92d7f7b0 | 932 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 933 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
934 | case LA_1GHZ_LINK: |
935 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
936 | break; | |
937 | case LA_2GHZ_LINK: | |
938 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
939 | break; | |
940 | case LA_4GHZ_LINK: | |
941 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
942 | break; | |
943 | case LA_8GHZ_LINK: | |
944 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
945 | break; | |
946 | default: | |
947 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
948 | break; | |
dea3101e | 949 | } |
950 | ||
951 | phba->fc_topology = la->topology; | |
92d7f7b0 | 952 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 953 | |
954 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 955 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 956 | |
92d7f7b0 | 957 | /* Get Loop Map information */ |
dea3101e | 958 | if (la->il) |
2e0fef85 | 959 | vport->fc_flag |= FC_LBIT; |
dea3101e | 960 | |
2e0fef85 | 961 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 962 | i = la->un.lilpBde64.tus.f.bdeSize; |
963 | ||
964 | if (i == 0) { | |
965 | phba->alpa_map[0] = 0; | |
966 | } else { | |
967 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { | |
968 | int numalpa, j, k; | |
969 | union { | |
970 | uint8_t pamap[16]; | |
971 | struct { | |
972 | uint32_t wd1; | |
973 | uint32_t wd2; | |
974 | uint32_t wd3; | |
975 | uint32_t wd4; | |
976 | } pa; | |
977 | } un; | |
978 | numalpa = phba->alpa_map[0]; | |
979 | j = 0; | |
980 | while (j < numalpa) { | |
981 | memset(un.pamap, 0, 16); | |
982 | for (k = 1; j < numalpa; k++) { | |
983 | un.pamap[k - 1] = | |
984 | phba->alpa_map[j + 1]; | |
985 | j++; | |
986 | if (k == 16) | |
987 | break; | |
988 | } | |
989 | /* Link Up Event ALPA map */ | |
990 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
991 | KERN_WARNING, |
992 | LOG_LINK_EVENT, | |
993 | "%d:1304 Link Up Event " | |
994 | "ALPA map Data: x%x " | |
995 | "x%x x%x x%x\n", | |
996 | phba->brd_no, | |
997 | un.pa.wd1, un.pa.wd2, | |
998 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 999 | } |
1000 | } | |
1001 | } | |
1002 | } else { | |
92d7f7b0 | 1003 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
858c9f6c | 1004 | if (phba->max_vpi && phba->cfg_npiv_enable && |
92d7f7b0 JS |
1005 | (phba->sli_rev == 3)) |
1006 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
1007 | } | |
2e0fef85 JS |
1008 | vport->fc_myDID = phba->fc_pref_DID; |
1009 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 1010 | } |
92d7f7b0 | 1011 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1012 | |
1013 | lpfc_linkup(phba); | |
1014 | if (sparam_mbox) { | |
92d7f7b0 | 1015 | lpfc_read_sparam(phba, sparam_mbox, 0); |
2e0fef85 | 1016 | sparam_mbox->vport = vport; |
dea3101e | 1017 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
14691150 | 1018 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, |
92d7f7b0 | 1019 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
1020 | if (rc == MBX_NOT_FINISHED) { |
1021 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
1022 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1023 | kfree(mp); | |
1024 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
1025 | if (cfglink_mbox) | |
1026 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1027 | goto out; |
14691150 | 1028 | } |
dea3101e | 1029 | } |
1030 | ||
1031 | if (cfglink_mbox) { | |
2e0fef85 | 1032 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 1033 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 1034 | cfglink_mbox->vport = vport; |
25594c6b | 1035 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
14691150 | 1036 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, |
92d7f7b0 JS |
1037 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
1038 | if (rc != MBX_NOT_FINISHED) | |
1039 | return; | |
1040 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
dea3101e | 1041 | } |
92d7f7b0 JS |
1042 | out: |
1043 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1044 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1045 | "%d (%d):0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
1046 | phba->brd_no, vport->vpi, | |
1047 | vport->port_state, sparam_mbox, cfglink_mbox); | |
1048 | ||
1049 | lpfc_issue_clear_la(phba, vport); | |
1050 | return; | |
dea3101e | 1051 | } |
1052 | ||
1053 | static void | |
2e0fef85 JS |
1054 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) |
1055 | { | |
dea3101e | 1056 | uint32_t control; |
1057 | struct lpfc_sli *psli = &phba->sli; | |
1058 | ||
1059 | lpfc_linkdown(phba); | |
1060 | ||
1061 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
2e0fef85 | 1062 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1063 | psli->sli_flag |= LPFC_PROCESS_LA; |
1064 | control = readl(phba->HCregaddr); | |
1065 | control |= HC_LAINT_ENA; | |
1066 | writel(control, phba->HCregaddr); | |
1067 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1068 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1069 | } |
1070 | ||
1071 | /* | |
1072 | * This routine handles processing a READ_LA mailbox | |
1073 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1074 | * as the completion routine when the command is | |
1075 | * handed off to the SLI layer. | |
1076 | */ | |
1077 | void | |
2e0fef85 | 1078 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1079 | { |
2e0fef85 JS |
1080 | struct lpfc_vport *vport = pmb->vport; |
1081 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1082 | READ_LA_VAR *la; |
1083 | MAILBOX_t *mb = &pmb->mb; | |
1084 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1085 | ||
1086 | /* Check for error */ | |
1087 | if (mb->mbxStatus) { | |
ed957684 | 1088 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
dea3101e | 1089 | "%d:1307 READ_LA mbox error x%x state x%x\n", |
ed957684 | 1090 | phba->brd_no, mb->mbxStatus, vport->port_state); |
dea3101e | 1091 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 1092 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1093 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
1094 | } | |
1095 | ||
1096 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
1097 | ||
1098 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
1099 | ||
2e0fef85 | 1100 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1101 | if (la->pb) |
2e0fef85 | 1102 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 1103 | else |
2e0fef85 JS |
1104 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
1105 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 1106 | |
dea3101e | 1107 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
92d7f7b0 | 1108 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 1109 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 1110 | if (la->attType == AT_LINK_UP) |
dea3101e | 1111 | if (phba->fc_eventTag != 0) |
1112 | lpfc_linkdown(phba); | |
92d7f7b0 | 1113 | } |
dea3101e | 1114 | |
1115 | phba->fc_eventTag = la->eventTag; | |
1116 | ||
1117 | if (la->attType == AT_LINK_UP) { | |
1118 | phba->fc_stat.LinkUp++; | |
2e0fef85 | 1119 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
5b8bd0c9 JS |
1120 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
1121 | "%d:1306 Link Up Event in loop back mode " | |
1122 | "x%x received Data: x%x x%x x%x x%x\n", | |
1123 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
1124 | la->granted_AL_PA, la->UlnkSpeed, | |
1125 | phba->alpa_map[0]); | |
1126 | } else { | |
1127 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
dea3101e | 1128 | "%d:1303 Link Up Event x%x received " |
1129 | "Data: x%x x%x x%x x%x\n", | |
1130 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
1131 | la->granted_AL_PA, la->UlnkSpeed, | |
1132 | phba->alpa_map[0]); | |
5b8bd0c9 | 1133 | } |
92d7f7b0 | 1134 | lpfc_mbx_process_link_up(phba, la); |
dea3101e | 1135 | } else { |
1136 | phba->fc_stat.LinkDown++; | |
1137 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
1138 | "%d:1305 Link Down Event x%x received " | |
1139 | "Data: x%x x%x x%x\n", | |
1140 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
2e0fef85 | 1141 | phba->pport->port_state, vport->fc_flag); |
dea3101e | 1142 | lpfc_mbx_issue_link_down(phba); |
1143 | } | |
1144 | ||
1145 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
1146 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1147 | kfree(mp); | |
1148 | mempool_free(pmb, phba->mbox_mem_pool); | |
1149 | return; | |
1150 | } | |
1151 | ||
1152 | /* | |
1153 | * This routine handles processing a REG_LOGIN mailbox | |
1154 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1155 | * as the completion routine when the command is | |
1156 | * handed off to the SLI layer. | |
1157 | */ | |
1158 | void | |
2e0fef85 | 1159 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1160 | { |
2e0fef85 | 1161 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 1162 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 1163 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 1164 | |
dea3101e | 1165 | pmb->context1 = NULL; |
1166 | ||
1167 | /* Good status, call state machine */ | |
2e0fef85 | 1168 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 1169 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1170 | kfree(mp); | |
2e0fef85 | 1171 | mempool_free(pmb, phba->mbox_mem_pool); |
329f9bc7 | 1172 | lpfc_nlp_put(ndlp); |
dea3101e | 1173 | |
1174 | return; | |
1175 | } | |
1176 | ||
92d7f7b0 JS |
1177 | static void |
1178 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
1179 | { | |
1180 | MAILBOX_t *mb = &pmb->mb; | |
1181 | struct lpfc_vport *vport = pmb->vport; | |
1182 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1183 | ||
1184 | switch (mb->mbxStatus) { | |
1185 | case 0x0011: | |
1186 | case 0x0020: | |
1187 | case 0x9700: | |
1188 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1189 | "%d (%d):0911 cmpl_unreg_vpi, " | |
1190 | "mb status = 0x%x\n", | |
1191 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
1192 | break; | |
92d7f7b0 JS |
1193 | } |
1194 | vport->unreg_vpi_cmpl = VPORT_OK; | |
1195 | mempool_free(pmb, phba->mbox_mem_pool); | |
1196 | /* | |
1197 | * This shost reference might have been taken at the beginning of | |
1198 | * lpfc_vport_delete() | |
1199 | */ | |
1200 | if (vport->load_flag & FC_UNLOADING) | |
1201 | scsi_host_put(shost); | |
1202 | } | |
1203 | ||
1204 | void | |
1205 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) | |
1206 | { | |
1207 | struct lpfc_hba *phba = vport->phba; | |
1208 | LPFC_MBOXQ_t *mbox; | |
1209 | int rc; | |
1210 | ||
1211 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1212 | if (!mbox) | |
1213 | return; | |
1214 | ||
1215 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
1216 | mbox->vport = vport; | |
1217 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
1218 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1219 | if (rc == MBX_NOT_FINISHED) { | |
1220 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
1221 | "%d (%d):1800 Could not issue unreg_vpi\n", | |
1222 | phba->brd_no, vport->vpi); | |
1223 | mempool_free(mbox, phba->mbox_mem_pool); | |
1224 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | static void | |
1229 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
1230 | { | |
1231 | struct lpfc_vport *vport = pmb->vport; | |
1232 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1233 | MAILBOX_t *mb = &pmb->mb; | |
1234 | ||
1235 | switch (mb->mbxStatus) { | |
1236 | case 0x0011: | |
1237 | case 0x9601: | |
1238 | case 0x9602: | |
1239 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1240 | "%d (%d):0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
1241 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
1242 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1243 | spin_lock_irq(shost->host_lock); | |
1244 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1245 | spin_unlock_irq(shost->host_lock); | |
1246 | vport->fc_myDID = 0; | |
1247 | goto out; | |
1248 | } | |
92d7f7b0 JS |
1249 | |
1250 | vport->num_disc_nodes = 0; | |
1251 | /* go thru NPR list and issue ELS PLOGIs */ | |
1252 | if (vport->fc_npr_cnt) | |
1253 | lpfc_els_disc_plogi(vport); | |
1254 | ||
1255 | if (!vport->num_disc_nodes) { | |
1256 | spin_lock_irq(shost->host_lock); | |
1257 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1258 | spin_unlock_irq(shost->host_lock); | |
1259 | lpfc_can_disctmo(vport); | |
1260 | } | |
1261 | vport->port_state = LPFC_VPORT_READY; | |
1262 | ||
1263 | out: | |
1264 | mempool_free(pmb, phba->mbox_mem_pool); | |
1265 | return; | |
1266 | } | |
1267 | ||
dea3101e | 1268 | /* |
1269 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
1270 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1271 | * as the completion routine when the command is | |
1272 | * handed off to the SLI layer. | |
1273 | */ | |
1274 | void | |
2e0fef85 | 1275 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1276 | { |
92d7f7b0 | 1277 | struct lpfc_vport *vport = pmb->vport; |
2e0fef85 JS |
1278 | MAILBOX_t *mb = &pmb->mb; |
1279 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
92d7f7b0 | 1280 | struct lpfc_nodelist *ndlp; |
549e55cd JS |
1281 | struct lpfc_vport **vports; |
1282 | int i; | |
dea3101e | 1283 | |
549e55cd | 1284 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
1285 | pmb->context1 = NULL; |
1286 | pmb->context2 = NULL; | |
dea3101e | 1287 | if (mb->mbxStatus) { |
1288 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1289 | kfree(mp); | |
329f9bc7 JS |
1290 | mempool_free(pmb, phba->mbox_mem_pool); |
1291 | lpfc_nlp_put(ndlp); | |
dea3101e | 1292 | |
92d7f7b0 JS |
1293 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1294 | /* FLOGI failed, use loop map to make discovery list */ | |
1295 | lpfc_disc_list_loopmap(vport); | |
1296 | ||
1297 | /* Start discovery */ | |
1298 | lpfc_disc_start(vport); | |
1299 | return; | |
1300 | } | |
1301 | ||
1302 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1303 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1304 | "%d (%d):0258 Register Fabric login error: 0x%x\n", | |
1305 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
dea3101e | 1306 | |
dea3101e | 1307 | return; |
1308 | } | |
1309 | ||
dea3101e | 1310 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1311 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 1312 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1313 | |
329f9bc7 JS |
1314 | lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */ |
1315 | ||
2e0fef85 | 1316 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
549e55cd JS |
1317 | vports = lpfc_create_vport_work_array(phba); |
1318 | if (vports != NULL) | |
1319 | for(i = 0; | |
1320 | i < LPFC_MAX_VPORTS && vports[i] != NULL; | |
1321 | i++) { | |
1322 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
1323 | continue; | |
1324 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) | |
1325 | lpfc_initial_fdisc(vports[i]); | |
1326 | else if (phba->sli3_options & | |
1327 | LPFC_SLI3_NPIV_ENABLED) { | |
1328 | lpfc_vport_set_state(vports[i], | |
1329 | FC_VPORT_NO_FABRIC_SUPP); | |
1330 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
1331 | "%d (%d):0259 No NPIV " | |
1332 | "Fabric support\n", | |
1333 | phba->brd_no, | |
1334 | vports[i]->vpi); | |
1335 | } | |
dea3101e | 1336 | } |
549e55cd | 1337 | lpfc_destroy_vport_work_array(vports); |
92d7f7b0 | 1338 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 1339 | } |
1340 | ||
1341 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1342 | kfree(mp); | |
329f9bc7 | 1343 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1344 | return; |
1345 | } | |
1346 | ||
1347 | /* | |
1348 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
1349 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1350 | * as the completion routine when the command is | |
1351 | * handed off to the SLI layer. | |
1352 | */ | |
1353 | void | |
2e0fef85 | 1354 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1355 | { |
2e0fef85 JS |
1356 | MAILBOX_t *mb = &pmb->mb; |
1357 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1358 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
1359 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 1360 | |
1361 | if (mb->mbxStatus) { | |
92d7f7b0 | 1362 | out: |
329f9bc7 | 1363 | lpfc_nlp_put(ndlp); |
dea3101e | 1364 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1365 | kfree(mp); | |
de0c5b32 | 1366 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 | 1367 | lpfc_drop_node(vport, ndlp); |
dea3101e | 1368 | |
92d7f7b0 JS |
1369 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1370 | /* | |
1371 | * RegLogin failed, use loop map to make discovery | |
1372 | * list | |
1373 | */ | |
1374 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 1375 | |
92d7f7b0 JS |
1376 | /* Start discovery */ |
1377 | lpfc_disc_start(vport); | |
1378 | return; | |
1379 | } | |
1380 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1381 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
1382 | "%d (%d):0260 Register NameServer error: 0x%x\n", | |
1383 | phba->brd_no, vport->vpi, mb->mbxStatus); | |
dea3101e | 1384 | return; |
1385 | } | |
1386 | ||
1387 | pmb->context1 = NULL; | |
1388 | ||
dea3101e | 1389 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1390 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 1391 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1392 | |
2e0fef85 JS |
1393 | if (vport->port_state < LPFC_VPORT_READY) { |
1394 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
1395 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
1396 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
1397 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
1398 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
1399 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
1400 | ||
1401 | /* Issue SCR just before NameServer GID_FT Query */ | |
1402 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 1403 | } |
1404 | ||
2e0fef85 | 1405 | vport->fc_ns_retry = 0; |
dea3101e | 1406 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 1407 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 1408 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 1409 | goto out; |
dea3101e | 1410 | } |
1411 | ||
329f9bc7 | 1412 | lpfc_nlp_put(ndlp); |
dea3101e | 1413 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1414 | kfree(mp); | |
2e0fef85 | 1415 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1416 | |
1417 | return; | |
1418 | } | |
1419 | ||
1420 | static void | |
2e0fef85 | 1421 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1422 | { |
2e0fef85 JS |
1423 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1424 | struct fc_rport *rport; | |
dea3101e | 1425 | struct lpfc_rport_data *rdata; |
1426 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 1427 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1428 | |
1429 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
1430 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
1431 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 1432 | rport_ids.port_id = ndlp->nlp_DID; |
1433 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 1434 | |
329f9bc7 JS |
1435 | /* |
1436 | * We leave our node pointer in rport->dd_data when we unregister a | |
1437 | * FCP target port. But fc_remote_port_add zeros the space to which | |
1438 | * rport->dd_data points. So, if we're reusing a previously | |
1439 | * registered port, drop the reference that we took the last time we | |
1440 | * registered the port. | |
1441 | */ | |
1442 | if (ndlp->rport && ndlp->rport->dd_data && | |
92d7f7b0 | 1443 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) { |
329f9bc7 JS |
1444 | lpfc_nlp_put(ndlp); |
1445 | } | |
858c9f6c JS |
1446 | |
1447 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
1448 | "rport add: did:x%x flg:x%x type x%x", | |
1449 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
1450 | ||
2e0fef85 | 1451 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 1452 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 1453 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
1454 | "Warning: fc_remote_port_add failed\n"); | |
1455 | return; | |
1456 | } | |
1457 | ||
1458 | /* initialize static port data */ | |
1459 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1460 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 1461 | rdata = rport->dd_data; |
329f9bc7 | 1462 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
1463 | |
1464 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1465 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1466 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1467 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1468 | ||
1469 | ||
1470 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
1471 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
1472 | ||
071fbd3d | 1473 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 1474 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
1475 | ndlp->nlp_sid = rport->scsi_target_id; |
1476 | } | |
19a7b4ae JSEC |
1477 | return; |
1478 | } | |
1479 | ||
1480 | static void | |
2e0fef85 | 1481 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
1482 | { |
1483 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 1484 | |
858c9f6c JS |
1485 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
1486 | "rport delete: did:x%x flg:x%x type x%x", | |
1487 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
1488 | ||
19a7b4ae | 1489 | fc_remote_port_delete(rport); |
dea3101e | 1490 | |
1491 | return; | |
1492 | } | |
1493 | ||
de0c5b32 | 1494 | static void |
2e0fef85 | 1495 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 1496 | { |
2e0fef85 JS |
1497 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1498 | ||
1499 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
1500 | switch (state) { |
1501 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 1502 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
1503 | break; |
1504 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 1505 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
1506 | break; |
1507 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 1508 | vport->fc_adisc_cnt += count; |
dea3101e | 1509 | break; |
de0c5b32 | 1510 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 1511 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
1512 | break; |
1513 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 1514 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
1515 | break; |
1516 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 1517 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
1518 | break; |
1519 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 1520 | vport->fc_map_cnt += count; |
de0c5b32 JS |
1521 | break; |
1522 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 1523 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
1524 | break; |
1525 | } | |
2e0fef85 | 1526 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 1527 | } |
66a9ed66 | 1528 | |
de0c5b32 | 1529 | static void |
2e0fef85 | 1530 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
1531 | int old_state, int new_state) |
1532 | { | |
2e0fef85 JS |
1533 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1534 | ||
de0c5b32 JS |
1535 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
1536 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1537 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1538 | ndlp->nlp_type |= NLP_FC_NODE; | |
1539 | } | |
1540 | if (new_state == NLP_STE_MAPPED_NODE) | |
1541 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1542 | if (new_state == NLP_STE_NPR_NODE) | |
1543 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
1544 | ||
1545 | /* Transport interface */ | |
1546 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
1547 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
1548 | vport->phba->nport_event_cnt++; |
1549 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 1550 | } |
dea3101e | 1551 | |
de0c5b32 JS |
1552 | if (new_state == NLP_STE_MAPPED_NODE || |
1553 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 1554 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
1555 | /* |
1556 | * Tell the fc transport about the port, if we haven't | |
1557 | * already. If we have, and it's a scsi entity, be | |
1558 | * sure to unblock any attached scsi devices | |
1559 | */ | |
1560 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 1561 | } |
858c9f6c JS |
1562 | /* |
1563 | * if we added to Mapped list, but the remote port | |
1564 | * registration failed or assigned a target id outside | |
1565 | * our presentable range - move the node to the | |
1566 | * Unmapped List | |
1567 | */ | |
de0c5b32 JS |
1568 | if (new_state == NLP_STE_MAPPED_NODE && |
1569 | (!ndlp->rport || | |
1570 | ndlp->rport->scsi_target_id == -1 || | |
1571 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 1572 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 1573 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
1574 | spin_unlock_irq(shost->host_lock); |
1575 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 1576 | } |
de0c5b32 JS |
1577 | } |
1578 | ||
685f0bf7 JS |
1579 | static char * |
1580 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
1581 | { | |
1582 | static char *states[] = { | |
1583 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
1584 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
1585 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
1586 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
1587 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
1588 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
1589 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
1590 | [NLP_STE_NPR_NODE] = "NPR", | |
1591 | }; | |
1592 | ||
1593 | if (state < ARRAY_SIZE(states) && states[state]) | |
1594 | strlcpy(buffer, states[state], size); | |
1595 | else | |
1596 | snprintf(buffer, size, "unknown (%d)", state); | |
1597 | return buffer; | |
1598 | } | |
1599 | ||
de0c5b32 | 1600 | void |
2e0fef85 JS |
1601 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1602 | int state) | |
de0c5b32 | 1603 | { |
2e0fef85 | 1604 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 1605 | int old_state = ndlp->nlp_state; |
685f0bf7 | 1606 | char name1[16], name2[16]; |
de0c5b32 | 1607 | |
2e0fef85 | 1608 | lpfc_printf_log(vport->phba, KERN_INFO, LOG_NODE, |
858c9f6c JS |
1609 | "%d (%d):0904 NPort state transition x%06x, %s -> %s\n", |
1610 | vport->phba->brd_no, vport->vpi, | |
685f0bf7 JS |
1611 | ndlp->nlp_DID, |
1612 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
1613 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
1614 | |
1615 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
1616 | "node statechg did:x%x old:%d ste:%d", | |
1617 | ndlp->nlp_DID, old_state, state); | |
1618 | ||
de0c5b32 JS |
1619 | if (old_state == NLP_STE_NPR_NODE && |
1620 | (ndlp->nlp_flag & NLP_DELAY_TMO) != 0 && | |
1621 | state != NLP_STE_NPR_NODE) | |
2e0fef85 | 1622 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
1623 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
1624 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
1625 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
1626 | } | |
1627 | ||
685f0bf7 | 1628 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
1629 | spin_lock_irq(shost->host_lock); |
1630 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
1631 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 1632 | } else if (old_state) |
2e0fef85 | 1633 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
1634 | |
1635 | ndlp->nlp_state = state; | |
2e0fef85 JS |
1636 | lpfc_nlp_counters(vport, state, 1); |
1637 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
1638 | } |
1639 | ||
1640 | void | |
2e0fef85 | 1641 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1642 | { |
2e0fef85 JS |
1643 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1644 | ||
de0c5b32 | 1645 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1646 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1647 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1648 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1649 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1650 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 1651 | spin_unlock_irq(shost->host_lock); |
858c9f6c JS |
1652 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
1653 | NLP_STE_UNUSED_NODE); | |
de0c5b32 JS |
1654 | } |
1655 | ||
1656 | void | |
2e0fef85 | 1657 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1658 | { |
2e0fef85 JS |
1659 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1660 | ||
de0c5b32 | 1661 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1662 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1663 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1664 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1665 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1666 | list_del_init(&ndlp->nlp_listp); |
858c9f6c | 1667 | ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; |
2e0fef85 | 1668 | spin_unlock_irq(shost->host_lock); |
329f9bc7 | 1669 | lpfc_nlp_put(ndlp); |
dea3101e | 1670 | } |
1671 | ||
1672 | /* | |
1673 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
1674 | */ | |
1675 | void | |
2e0fef85 | 1676 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 1677 | { |
2e0fef85 JS |
1678 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1679 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1680 | uint32_t tmo; |
1681 | ||
2e0fef85 | 1682 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
c9f8735b JW |
1683 | /* For FAN, timeout should be greater then edtov */ |
1684 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); | |
1685 | } else { | |
1686 | /* Normal discovery timeout should be > then ELS/CT timeout | |
1687 | * FC spec states we need 3 * ratov for CT requests | |
1688 | */ | |
1689 | tmo = ((phba->fc_ratov * 3) + 3); | |
1690 | } | |
dea3101e | 1691 | |
858c9f6c JS |
1692 | |
1693 | if (!timer_pending(&vport->fc_disctmo)) { | |
1694 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
1695 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
1696 | tmo, vport->port_state, vport->fc_flag); | |
1697 | } | |
1698 | ||
2e0fef85 JS |
1699 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
1700 | spin_lock_irq(shost->host_lock); | |
1701 | vport->fc_flag |= FC_DISC_TMO; | |
1702 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1703 | |
1704 | /* Start Discovery Timer state <hba_state> */ | |
1705 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 1706 | "%d (%d):0247 Start Discovery Timer state x%x " |
dea3101e | 1707 | "Data: x%x x%lx x%x x%x\n", |
92d7f7b0 | 1708 | phba->brd_no, vport->vpi, vport->port_state, tmo, |
2e0fef85 JS |
1709 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, |
1710 | vport->fc_adisc_cnt); | |
dea3101e | 1711 | |
1712 | return; | |
1713 | } | |
1714 | ||
1715 | /* | |
1716 | * Cancel rescue timer for Discovery / RSCN handling | |
1717 | */ | |
1718 | int | |
2e0fef85 | 1719 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 1720 | { |
2e0fef85 JS |
1721 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1722 | struct lpfc_hba *phba = vport->phba; | |
1723 | unsigned long iflags; | |
1724 | ||
858c9f6c JS |
1725 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1726 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
1727 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
1728 | ||
dea3101e | 1729 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
1730 | if (vport->fc_flag & FC_DISC_TMO) { |
1731 | spin_lock_irqsave(shost->host_lock, iflags); | |
1732 | vport->fc_flag &= ~FC_DISC_TMO; | |
1733 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
1734 | del_timer_sync(&vport->fc_disctmo); | |
1735 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
1736 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
1737 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 1738 | } |
1739 | ||
1740 | /* Cancel Discovery Timer state <hba_state> */ | |
1741 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 1742 | "%d (%d):0248 Cancel Discovery Timer state x%x " |
dea3101e | 1743 | "Data: x%x x%x x%x\n", |
92d7f7b0 JS |
1744 | phba->brd_no, vport->vpi, vport->port_state, |
1745 | vport->fc_flag, vport->fc_plogi_cnt, | |
1746 | vport->fc_adisc_cnt); | |
dea3101e | 1747 | |
2fe165b6 | 1748 | return 0; |
dea3101e | 1749 | } |
1750 | ||
1751 | /* | |
1752 | * Check specified ring for outstanding IOCB on the SLI queue | |
1753 | * Return true if iocb matches the specified nport | |
1754 | */ | |
1755 | int | |
2e0fef85 JS |
1756 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
1757 | struct lpfc_sli_ring *pring, | |
1758 | struct lpfc_iocbq *iocb, | |
1759 | struct lpfc_nodelist *ndlp) | |
dea3101e | 1760 | { |
2e0fef85 JS |
1761 | struct lpfc_sli *psli = &phba->sli; |
1762 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
1763 | struct lpfc_vport *vport = ndlp->vport; |
1764 | ||
1765 | if (iocb->vport != vport) | |
1766 | return 0; | |
1767 | ||
dea3101e | 1768 | if (pring->ringno == LPFC_ELS_RING) { |
1769 | switch (icmd->ulpCommand) { | |
1770 | case CMD_GEN_REQUEST64_CR: | |
1771 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) | |
2fe165b6 | 1772 | return 1; |
dea3101e | 1773 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
1774 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
1775 | return 1; | |
dea3101e | 1776 | case CMD_XMIT_ELS_RSP64_CX: |
1777 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 1778 | return 1; |
dea3101e | 1779 | } |
a4bc3379 | 1780 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 1781 | |
1782 | } else if (pring->ringno == psli->fcp_ring) { | |
1783 | /* Skip match check if waiting to relogin to FCP target */ | |
1784 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 1785 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 1786 | return 0; |
dea3101e | 1787 | } |
1788 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 1789 | return 1; |
dea3101e | 1790 | } |
1791 | } else if (pring->ringno == psli->next_ring) { | |
1792 | ||
1793 | } | |
2fe165b6 | 1794 | return 0; |
dea3101e | 1795 | } |
1796 | ||
1797 | /* | |
1798 | * Free resources / clean up outstanding I/Os | |
1799 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
1800 | */ | |
1801 | static int | |
2e0fef85 | 1802 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 1803 | { |
2534ba75 | 1804 | LIST_HEAD(completions); |
dea3101e | 1805 | struct lpfc_sli *psli; |
1806 | struct lpfc_sli_ring *pring; | |
1807 | struct lpfc_iocbq *iocb, *next_iocb; | |
1808 | IOCB_t *icmd; | |
1809 | uint32_t rpi, i; | |
1810 | ||
92d7f7b0 JS |
1811 | lpfc_fabric_abort_nport(ndlp); |
1812 | ||
dea3101e | 1813 | /* |
1814 | * Everything that matches on txcmplq will be returned | |
1815 | * by firmware with a no rpi error. | |
1816 | */ | |
1817 | psli = &phba->sli; | |
1818 | rpi = ndlp->nlp_rpi; | |
1819 | if (rpi) { | |
1820 | /* Now process each ring */ | |
1821 | for (i = 0; i < psli->num_rings; i++) { | |
1822 | pring = &psli->ring[i]; | |
1823 | ||
2e0fef85 | 1824 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1825 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 1826 | list) { |
dea3101e | 1827 | /* |
1828 | * Check to see if iocb matches the nport we are | |
1829 | * looking for | |
1830 | */ | |
92d7f7b0 JS |
1831 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
1832 | ndlp))) { | |
dea3101e | 1833 | /* It matches, so deque and call compl |
1834 | with an error */ | |
2534ba75 JS |
1835 | list_move_tail(&iocb->list, |
1836 | &completions); | |
dea3101e | 1837 | pring->txq_cnt--; |
dea3101e | 1838 | } |
1839 | } | |
2e0fef85 | 1840 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1841 | } |
1842 | } | |
2534ba75 JS |
1843 | |
1844 | while (!list_empty(&completions)) { | |
1845 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
92d7f7b0 | 1846 | list_del_init(&iocb->list); |
2534ba75 | 1847 | |
2e0fef85 JS |
1848 | if (!iocb->iocb_cmpl) |
1849 | lpfc_sli_release_iocbq(phba, iocb); | |
1850 | else { | |
2534ba75 JS |
1851 | icmd = &iocb->iocb; |
1852 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1853 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2e0fef85 JS |
1854 | (iocb->iocb_cmpl)(phba, iocb, iocb); |
1855 | } | |
2534ba75 JS |
1856 | } |
1857 | ||
2fe165b6 | 1858 | return 0; |
dea3101e | 1859 | } |
1860 | ||
1861 | /* | |
1862 | * Free rpi associated with LPFC_NODELIST entry. | |
1863 | * This routine is called from lpfc_freenode(), when we are removing | |
1864 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1865 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1866 | * to the remote NPort. In addition, it is called after we receive | |
1867 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1868 | * we are waiting to PLOGI back to the remote NPort. | |
1869 | */ | |
1870 | int | |
2e0fef85 | 1871 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1872 | { |
2e0fef85 JS |
1873 | struct lpfc_hba *phba = vport->phba; |
1874 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 1875 | int rc; |
1876 | ||
1877 | if (ndlp->nlp_rpi) { | |
2e0fef85 JS |
1878 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1879 | if (mbox) { | |
92d7f7b0 | 1880 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 1881 | mbox->vport = vport; |
92d7f7b0 JS |
1882 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1883 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1884 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
dea3101e | 1885 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 1886 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 1887 | } |
dea3101e | 1888 | lpfc_no_rpi(phba, ndlp); |
1889 | ndlp->nlp_rpi = 0; | |
1890 | return 1; | |
1891 | } | |
1892 | return 0; | |
1893 | } | |
1894 | ||
92d7f7b0 JS |
1895 | void |
1896 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
1897 | { | |
1898 | struct lpfc_hba *phba = vport->phba; | |
1899 | LPFC_MBOXQ_t *mbox; | |
1900 | int rc; | |
1901 | ||
1902 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1903 | if (mbox) { | |
1904 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
1905 | mbox->vport = vport; | |
1906 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1907 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1908 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1909 | if (rc == MBX_NOT_FINISHED) { | |
1910 | mempool_free(mbox, phba->mbox_mem_pool); | |
1911 | } | |
1912 | } | |
1913 | } | |
1914 | ||
1915 | void | |
1916 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
1917 | { | |
1918 | struct lpfc_hba *phba = vport->phba; | |
1919 | LPFC_MBOXQ_t *mbox; | |
1920 | int rc; | |
1921 | ||
1922 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1923 | if (mbox) { | |
1924 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
1925 | mbox->vport = vport; | |
1926 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1927 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1928 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1929 | if (rc == MBX_NOT_FINISHED) { | |
1930 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
1931 | "%d (%d):1815 Could not issue " | |
1932 | "unreg_did (default rpis)\n", | |
1933 | phba->brd_no, vport->vpi); | |
1934 | mempool_free(mbox, phba->mbox_mem_pool); | |
1935 | } | |
1936 | } | |
1937 | } | |
1938 | ||
dea3101e | 1939 | /* |
1940 | * Free resources associated with LPFC_NODELIST entry | |
1941 | * so it can be freed. | |
1942 | */ | |
1943 | static int | |
2e0fef85 | 1944 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1945 | { |
2e0fef85 JS |
1946 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1947 | struct lpfc_hba *phba = vport->phba; | |
1948 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 1949 | struct lpfc_dmabuf *mp; |
dea3101e | 1950 | |
1951 | /* Cleanup node for NPort <nlp_DID> */ | |
1952 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
92d7f7b0 | 1953 | "%d (%d):0900 Cleanup node for NPort x%x " |
dea3101e | 1954 | "Data: x%x x%x x%x\n", |
92d7f7b0 | 1955 | phba->brd_no, vport->vpi, ndlp->nlp_DID, ndlp->nlp_flag, |
dea3101e | 1956 | ndlp->nlp_state, ndlp->nlp_rpi); |
1957 | ||
2e0fef85 | 1958 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 1959 | |
dea3101e | 1960 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1961 | if ((mb = phba->sli.mbox_active)) { | |
1962 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1963 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1964 | mb->context2 = NULL; | |
1965 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1966 | } | |
1967 | } | |
33ccf8d1 | 1968 | |
2e0fef85 | 1969 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1970 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1971 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
92d7f7b0 | 1972 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 1973 | mp = (struct lpfc_dmabuf *) (mb->context1); |
1974 | if (mp) { | |
2e0fef85 | 1975 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1976 | kfree(mp); |
1977 | } | |
1978 | list_del(&mb->list); | |
1979 | mempool_free(mb, phba->mbox_mem_pool); | |
329f9bc7 | 1980 | lpfc_nlp_put(ndlp); |
dea3101e | 1981 | } |
1982 | } | |
2e0fef85 | 1983 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1984 | |
07951076 | 1985 | lpfc_els_abort(phba,ndlp); |
2e0fef85 | 1986 | spin_lock_irq(shost->host_lock); |
c01f3208 | 1987 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1988 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1989 | |
5024ab17 | 1990 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 1991 | del_timer_sync(&ndlp->nlp_delayfunc); |
1992 | ||
dea3101e | 1993 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
1994 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
92d7f7b0 JS |
1995 | if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) |
1996 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 1997 | |
858c9f6c JS |
1998 | if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) { |
1999 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
2000 | complete((struct completion *)(ndlp->dev_loss_evt.evt_arg2)); | |
2001 | } | |
2002 | ||
2e0fef85 | 2003 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 2004 | |
2fe165b6 | 2005 | return 0; |
dea3101e | 2006 | } |
2007 | ||
2008 | /* | |
2009 | * Check to see if we can free the nlp back to the freelist. | |
2010 | * If we are in the middle of using the nlp in the discovery state | |
2011 | * machine, defer the free till we reach the end of the state machine. | |
2012 | */ | |
329f9bc7 | 2013 | static void |
2e0fef85 | 2014 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 2015 | { |
1dcb58e5 | 2016 | struct lpfc_rport_data *rdata; |
dea3101e | 2017 | |
2018 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
2e0fef85 | 2019 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 2020 | } |
2021 | ||
2e0fef85 | 2022 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 2023 | |
2e0fef85 | 2024 | /* |
92d7f7b0 JS |
2025 | * We can get here with a non-NULL ndlp->rport because when we |
2026 | * unregister a rport we don't break the rport/node linkage. So if we | |
2027 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 2028 | */ |
92d7f7b0 | 2029 | if (ndlp->rport) { |
329f9bc7 JS |
2030 | rdata = ndlp->rport->dd_data; |
2031 | rdata->pnode = NULL; | |
2032 | ndlp->rport = NULL; | |
dea3101e | 2033 | } |
dea3101e | 2034 | } |
2035 | ||
2036 | static int | |
2e0fef85 JS |
2037 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2038 | uint32_t did) | |
dea3101e | 2039 | { |
2e0fef85 | 2040 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 2041 | |
2042 | if (did == Bcast_DID) | |
2fe165b6 | 2043 | return 0; |
dea3101e | 2044 | |
2045 | if (ndlp->nlp_DID == 0) { | |
2fe165b6 | 2046 | return 0; |
dea3101e | 2047 | } |
2048 | ||
2049 | /* First check for Direct match */ | |
2050 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 2051 | return 1; |
dea3101e | 2052 | |
2053 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 2054 | mydid.un.word = vport->fc_myDID; |
dea3101e | 2055 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 2056 | return 0; |
dea3101e | 2057 | } |
2058 | ||
2059 | matchdid.un.word = did; | |
2060 | ndlpdid.un.word = ndlp->nlp_DID; | |
2061 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
2062 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
2063 | (mydid.un.b.area == matchdid.un.b.area)) { | |
2064 | if ((ndlpdid.un.b.domain == 0) && | |
2065 | (ndlpdid.un.b.area == 0)) { | |
2066 | if (ndlpdid.un.b.id) | |
2fe165b6 | 2067 | return 1; |
dea3101e | 2068 | } |
2fe165b6 | 2069 | return 0; |
dea3101e | 2070 | } |
2071 | ||
2072 | matchdid.un.word = ndlp->nlp_DID; | |
2073 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
2074 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
2075 | if ((matchdid.un.b.domain == 0) && | |
2076 | (matchdid.un.b.area == 0)) { | |
2077 | if (matchdid.un.b.id) | |
2fe165b6 | 2078 | return 1; |
dea3101e | 2079 | } |
2080 | } | |
2081 | } | |
2fe165b6 | 2082 | return 0; |
dea3101e | 2083 | } |
2084 | ||
685f0bf7 | 2085 | /* Search for a nodelist entry */ |
2e0fef85 JS |
2086 | static struct lpfc_nodelist * |
2087 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 2088 | { |
2e0fef85 | 2089 | struct lpfc_hba *phba = vport->phba; |
2fb9bd8b | 2090 | struct lpfc_nodelist *ndlp; |
dea3101e | 2091 | uint32_t data1; |
2092 | ||
2e0fef85 JS |
2093 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
2094 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
2095 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
2096 | ((uint32_t) ndlp->nlp_xri << 16) | | |
2097 | ((uint32_t) ndlp->nlp_type << 8) | | |
2098 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
2099 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
92d7f7b0 | 2100 | "%d (%d):0929 FIND node DID " |
685f0bf7 | 2101 | " Data: x%p x%x x%x x%x\n", |
92d7f7b0 | 2102 | phba->brd_no, vport->vpi, |
685f0bf7 JS |
2103 | ndlp, ndlp->nlp_DID, |
2104 | ndlp->nlp_flag, data1); | |
685f0bf7 | 2105 | return ndlp; |
dea3101e | 2106 | } |
2107 | } | |
66a9ed66 | 2108 | |
dea3101e | 2109 | /* FIND node did <did> NOT FOUND */ |
2fb9bd8b | 2110 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
92d7f7b0 JS |
2111 | "%d (%d):0932 FIND node did x%x NOT FOUND.\n", |
2112 | phba->brd_no, vport->vpi, did); | |
dea3101e | 2113 | return NULL; |
2114 | } | |
2115 | ||
2116 | struct lpfc_nodelist * | |
2e0fef85 JS |
2117 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
2118 | { | |
2119 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2120 | struct lpfc_nodelist *ndlp; | |
2121 | ||
2122 | spin_lock_irq(shost->host_lock); | |
2123 | ndlp = __lpfc_findnode_did(vport, did); | |
2124 | spin_unlock_irq(shost->host_lock); | |
2125 | return ndlp; | |
2126 | } | |
2127 | ||
2128 | struct lpfc_nodelist * | |
2129 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 2130 | { |
2e0fef85 | 2131 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2132 | struct lpfc_nodelist *ndlp; |
dea3101e | 2133 | |
2e0fef85 | 2134 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 2135 | if (!ndlp) { |
2e0fef85 JS |
2136 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
2137 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 2138 | return NULL; |
2139 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 2140 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 2141 | if (!ndlp) |
2142 | return NULL; | |
2e0fef85 JS |
2143 | lpfc_nlp_init(vport, ndlp, did); |
2144 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
2145 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2146 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2147 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2148 | return ndlp; |
2149 | } | |
2e0fef85 JS |
2150 | if (vport->fc_flag & FC_RSCN_MODE) { |
2151 | if (lpfc_rscn_payload_check(vport, did)) { | |
2152 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2153 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2154 | spin_unlock_irq(shost->host_lock); |
c9f8735b JW |
2155 | |
2156 | /* Since this node is marked for discovery, | |
2157 | * delay timeout is not needed. | |
2158 | */ | |
fdcebe28 | 2159 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2e0fef85 | 2160 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
071fbd3d | 2161 | } else |
dea3101e | 2162 | ndlp = NULL; |
2fe165b6 | 2163 | } else { |
685f0bf7 JS |
2164 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
2165 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) | |
dea3101e | 2166 | return NULL; |
2e0fef85 JS |
2167 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2168 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2169 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2170 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2171 | } |
2172 | return ndlp; | |
2173 | } | |
2174 | ||
2175 | /* Build a list of nodes to discover based on the loopmap */ | |
2176 | void | |
2e0fef85 | 2177 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 2178 | { |
2e0fef85 | 2179 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2180 | int j; |
2181 | uint32_t alpa, index; | |
2182 | ||
2e0fef85 | 2183 | if (!lpfc_is_link_up(phba)) |
dea3101e | 2184 | return; |
2e0fef85 JS |
2185 | |
2186 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 2187 | return; |
dea3101e | 2188 | |
2189 | /* Check for loop map present or not */ | |
2190 | if (phba->alpa_map[0]) { | |
2191 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
2192 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 2193 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 2194 | continue; |
2e0fef85 | 2195 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 2196 | } |
2197 | } else { | |
2198 | /* No alpamap, so try all alpa's */ | |
2199 | for (j = 0; j < FC_MAXLOOP; j++) { | |
2200 | /* If cfg_scan_down is set, start from highest | |
2201 | * ALPA (0xef) to lowest (0x1). | |
2202 | */ | |
2203 | if (phba->cfg_scan_down) | |
2204 | index = j; | |
2205 | else | |
2206 | index = FC_MAXLOOP - j - 1; | |
2207 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 2208 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 2209 | continue; |
2e0fef85 | 2210 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 2211 | } |
2212 | } | |
2213 | return; | |
2214 | } | |
2215 | ||
dea3101e | 2216 | void |
2e0fef85 | 2217 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 2218 | { |
dea3101e | 2219 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
2220 | struct lpfc_sli *psli = &phba->sli; |
2221 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
2222 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
2223 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
2224 | int rc; | |
2225 | ||
92d7f7b0 JS |
2226 | /* |
2227 | * if it's not a physical port or if we already send | |
2228 | * clear_la then don't send it. | |
2229 | */ | |
2230 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
2231 | (vport->port_type != LPFC_PHYSICAL_PORT)) | |
2232 | return; | |
2233 | ||
2e0fef85 JS |
2234 | /* Link up discovery */ |
2235 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
2236 | phba->link_state = LPFC_CLEAR_LA; | |
2237 | lpfc_clear_la(phba, mbox); | |
2238 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2239 | mbox->vport = vport; | |
2240 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | | |
2241 | MBX_STOP_IOCB)); | |
2242 | if (rc == MBX_NOT_FINISHED) { | |
2243 | mempool_free(mbox, phba->mbox_mem_pool); | |
2244 | lpfc_disc_flush_list(vport); | |
2245 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2246 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2247 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
2248 | phba->link_state = LPFC_HBA_ERROR; |
2249 | } | |
2250 | } | |
2251 | } | |
2252 | ||
2253 | /* Reg_vpi to tell firmware to resume normal operations */ | |
2254 | void | |
2255 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
2256 | { | |
2257 | LPFC_MBOXQ_t *regvpimbox; | |
2258 | ||
2259 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2260 | if (regvpimbox) { | |
2261 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, regvpimbox); | |
2262 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; | |
2263 | regvpimbox->vport = vport; | |
2264 | if (lpfc_sli_issue_mbox(phba, regvpimbox, | |
2265 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
2266 | == MBX_NOT_FINISHED) { | |
2267 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
2268 | } |
2269 | } | |
2270 | } | |
2271 | ||
2272 | /* Start Link up / RSCN discovery on NPR nodes */ | |
2273 | void | |
2274 | lpfc_disc_start(struct lpfc_vport *vport) | |
2275 | { | |
2276 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2277 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 2278 | uint32_t num_sent; |
dea3101e | 2279 | uint32_t clear_la_pending; |
685f0bf7 | 2280 | int did_changed; |
dea3101e | 2281 | |
2e0fef85 | 2282 | if (!lpfc_is_link_up(phba)) |
dea3101e | 2283 | return; |
2e0fef85 JS |
2284 | |
2285 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 2286 | clear_la_pending = 1; |
2287 | else | |
2288 | clear_la_pending = 0; | |
2289 | ||
2e0fef85 JS |
2290 | if (vport->port_state < LPFC_VPORT_READY) |
2291 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 2292 | |
2e0fef85 JS |
2293 | lpfc_set_disctmo(vport); |
2294 | ||
2295 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 2296 | did_changed = 0; |
2e0fef85 | 2297 | else |
dea3101e | 2298 | did_changed = 1; |
2e0fef85 JS |
2299 | |
2300 | vport->fc_prevDID = vport->fc_myDID; | |
2301 | vport->num_disc_nodes = 0; | |
dea3101e | 2302 | |
2303 | /* Start Discovery state <hba_state> */ | |
2304 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 2305 | "%d (%d):0202 Start Discovery hba state x%x " |
dea3101e | 2306 | "Data: x%x x%x x%x\n", |
92d7f7b0 JS |
2307 | phba->brd_no, vport->vpi, vport->port_state, |
2308 | vport->fc_flag, vport->fc_plogi_cnt, | |
2309 | vport->fc_adisc_cnt); | |
dea3101e | 2310 | |
2311 | /* First do ADISCs - if any */ | |
2e0fef85 | 2312 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 2313 | |
2314 | if (num_sent) | |
2315 | return; | |
2316 | ||
92d7f7b0 JS |
2317 | /* |
2318 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
2319 | * continue discovery. | |
2320 | */ | |
2321 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
2322 | !(vport->fc_flag & FC_RSCN_MODE)) { | |
2323 | lpfc_issue_reg_vpi(phba, vport); | |
2324 | return; | |
2325 | } | |
2326 | ||
2327 | /* | |
2328 | * For SLI2, we need to set port_state to READY and continue | |
2329 | * discovery. | |
2330 | */ | |
2e0fef85 | 2331 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 2332 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 2333 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 2334 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 2335 | |
92d7f7b0 | 2336 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
2337 | vport->num_disc_nodes = 0; |
2338 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
2339 | if (vport->fc_npr_cnt) | |
2340 | lpfc_els_disc_plogi(vport); | |
2341 | ||
2342 | if (!vport->num_disc_nodes) { | |
2343 | spin_lock_irq(shost->host_lock); | |
2344 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2345 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 2346 | lpfc_can_disctmo(vport); |
dea3101e | 2347 | } |
2348 | } | |
92d7f7b0 | 2349 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2350 | } else { |
2351 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 2352 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 2353 | |
2354 | if (num_sent) | |
2355 | return; | |
2356 | ||
2e0fef85 | 2357 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 2358 | /* Check to see if more RSCNs came in while we |
2359 | * were processing this one. | |
2360 | */ | |
2e0fef85 JS |
2361 | if ((vport->fc_rscn_id_cnt == 0) && |
2362 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
2363 | spin_lock_irq(shost->host_lock); | |
2364 | vport->fc_flag &= ~FC_RSCN_MODE; | |
2365 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 2366 | lpfc_can_disctmo(vport); |
2fe165b6 | 2367 | } else |
2e0fef85 | 2368 | lpfc_els_handle_rscn(vport); |
dea3101e | 2369 | } |
2370 | } | |
2371 | return; | |
2372 | } | |
2373 | ||
2374 | /* | |
2375 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
2376 | * ring the match the sppecified nodelist. | |
2377 | */ | |
2378 | static void | |
2e0fef85 | 2379 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 2380 | { |
2534ba75 | 2381 | LIST_HEAD(completions); |
dea3101e | 2382 | struct lpfc_sli *psli; |
2383 | IOCB_t *icmd; | |
2384 | struct lpfc_iocbq *iocb, *next_iocb; | |
2385 | struct lpfc_sli_ring *pring; | |
dea3101e | 2386 | |
2387 | psli = &phba->sli; | |
2388 | pring = &psli->ring[LPFC_ELS_RING]; | |
2389 | ||
2390 | /* Error matching iocb on txq or txcmplq | |
2391 | * First check the txq. | |
2392 | */ | |
2e0fef85 | 2393 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2394 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
2395 | if (iocb->context1 != ndlp) { | |
2396 | continue; | |
2397 | } | |
2398 | icmd = &iocb->iocb; | |
2399 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2400 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2401 | ||
2534ba75 | 2402 | list_move_tail(&iocb->list, &completions); |
dea3101e | 2403 | pring->txq_cnt--; |
dea3101e | 2404 | } |
2405 | } | |
2406 | ||
2407 | /* Next check the txcmplq */ | |
2408 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
2409 | if (iocb->context1 != ndlp) { | |
2410 | continue; | |
2411 | } | |
2412 | icmd = &iocb->iocb; | |
2e0fef85 JS |
2413 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
2414 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
2415 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
2416 | } | |
2417 | } | |
2e0fef85 | 2418 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2419 | |
2534ba75 JS |
2420 | while (!list_empty(&completions)) { |
2421 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
92d7f7b0 | 2422 | list_del_init(&iocb->list); |
dea3101e | 2423 | |
2e0fef85 JS |
2424 | if (!iocb->iocb_cmpl) |
2425 | lpfc_sli_release_iocbq(phba, iocb); | |
2426 | else { | |
2534ba75 JS |
2427 | icmd = &iocb->iocb; |
2428 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
2429 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2430 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 2431 | } |
dea3101e | 2432 | } |
dea3101e | 2433 | } |
2434 | ||
2435 | void | |
2e0fef85 | 2436 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 2437 | { |
2438 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 2439 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2440 | |
2e0fef85 JS |
2441 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
2442 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 JS |
2443 | nlp_listp) { |
2444 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || | |
2445 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
2446 | lpfc_free_tx(phba, ndlp); | |
2447 | lpfc_nlp_put(ndlp); | |
2448 | } | |
dea3101e | 2449 | } |
2450 | } | |
dea3101e | 2451 | } |
2452 | ||
92d7f7b0 JS |
2453 | void |
2454 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
2455 | { | |
2456 | lpfc_els_flush_rscn(vport); | |
2457 | lpfc_els_flush_cmd(vport); | |
2458 | lpfc_disc_flush_list(vport); | |
2459 | } | |
2460 | ||
dea3101e | 2461 | /*****************************************************************************/ |
2462 | /* | |
2463 | * NAME: lpfc_disc_timeout | |
2464 | * | |
2465 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
2466 | * | |
2467 | * EXECUTION ENVIRONMENT: interrupt only | |
2468 | * | |
2469 | * CALLED FROM: | |
2470 | * Timer function | |
2471 | * | |
2472 | * RETURNS: | |
2473 | * none | |
2474 | */ | |
2475 | /*****************************************************************************/ | |
2476 | void | |
2477 | lpfc_disc_timeout(unsigned long ptr) | |
2478 | { | |
2e0fef85 JS |
2479 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
2480 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2481 | unsigned long flags = 0; |
2482 | ||
2483 | if (unlikely(!phba)) | |
2484 | return; | |
2485 | ||
2e0fef85 JS |
2486 | if ((vport->work_port_events & WORKER_DISC_TMO) == 0) { |
2487 | spin_lock_irqsave(&vport->work_port_lock, flags); | |
2488 | vport->work_port_events |= WORKER_DISC_TMO; | |
2489 | spin_unlock_irqrestore(&vport->work_port_lock, flags); | |
2490 | ||
92d7f7b0 | 2491 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 2492 | if (phba->work_wait) |
92d7f7b0 JS |
2493 | lpfc_worker_wake_up(phba); |
2494 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
dea3101e | 2495 | } |
dea3101e | 2496 | return; |
2497 | } | |
2498 | ||
2499 | static void | |
2e0fef85 | 2500 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 2501 | { |
2e0fef85 JS |
2502 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2503 | struct lpfc_hba *phba = vport->phba; | |
2504 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 2505 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 2506 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 2507 | int rc, clrlaerr = 0; |
2508 | ||
2e0fef85 | 2509 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 2510 | return; |
2511 | ||
2e0fef85 JS |
2512 | spin_lock_irq(shost->host_lock); |
2513 | vport->fc_flag &= ~FC_DISC_TMO; | |
2514 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2515 | |
858c9f6c JS |
2516 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2517 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
2518 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
2519 | ||
2e0fef85 | 2520 | switch (vport->port_state) { |
dea3101e | 2521 | |
2522 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
2523 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
2524 | * FAN | |
2525 | */ | |
2526 | /* FAN timeout */ | |
ed957684 | 2527 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, |
92d7f7b0 JS |
2528 | "%d (%d):0221 FAN timeout\n", |
2529 | phba->brd_no, vport->vpi); | |
dea3101e | 2530 | |
c9f8735b | 2531 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 2532 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
2533 | nlp_listp) { |
2534 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
2535 | continue; | |
c9f8735b JW |
2536 | if (ndlp->nlp_type & NLP_FABRIC) { |
2537 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 2538 | lpfc_drop_node(vport, ndlp); |
2fe165b6 | 2539 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
2540 | /* Fail outstanding IO now since device |
2541 | * is marked for PLOGI. | |
2542 | */ | |
2e0fef85 | 2543 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2544 | } |
2545 | } | |
92d7f7b0 JS |
2546 | if (vport->port_state != LPFC_FLOGI) { |
2547 | vport->port_state = LPFC_FLOGI; | |
2548 | lpfc_set_disctmo(vport); | |
2549 | lpfc_initial_flogi(vport); | |
2550 | } | |
dea3101e | 2551 | break; |
2552 | ||
92d7f7b0 | 2553 | case LPFC_FDISC: |
dea3101e | 2554 | case LPFC_FLOGI: |
2e0fef85 | 2555 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 2556 | /* Initial FLOGI timeout */ |
ed957684 | 2557 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2558 | "%d (%d):0222 Initial %s timeout\n", |
2559 | phba->brd_no, vport->vpi, | |
2560 | vport->vpi ? "FLOGI" : "FDISC"); | |
dea3101e | 2561 | |
2562 | /* Assume no Fabric and go on with discovery. | |
2563 | * Check for outstanding ELS FLOGI to abort. | |
2564 | */ | |
2565 | ||
2566 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 2567 | lpfc_disc_list_loopmap(vport); |
dea3101e | 2568 | |
2569 | /* Start discovery */ | |
2e0fef85 | 2570 | lpfc_disc_start(vport); |
dea3101e | 2571 | break; |
2572 | ||
2573 | case LPFC_FABRIC_CFG_LINK: | |
2574 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2575 | NameServer login */ | |
2576 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 JS |
2577 | "%d (%d):0223 Timeout while waiting for " |
2578 | "NameServer login\n", | |
2579 | phba->brd_no, vport->vpi); | |
dea3101e | 2580 | |
2581 | /* Next look for NameServer ndlp */ | |
2e0fef85 | 2582 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
dea3101e | 2583 | if (ndlp) |
329f9bc7 | 2584 | lpfc_nlp_put(ndlp); |
dea3101e | 2585 | /* Start discovery */ |
2e0fef85 | 2586 | lpfc_disc_start(vport); |
dea3101e | 2587 | break; |
2588 | ||
2589 | case LPFC_NS_QRY: | |
2590 | /* Check for wait for NameServer Rsp timeout */ | |
2591 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 | 2592 | "%d (%d):0224 NameServer Query timeout " |
dea3101e | 2593 | "Data: x%x x%x\n", |
92d7f7b0 | 2594 | phba->brd_no, vport->vpi, |
2e0fef85 | 2595 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); |
dea3101e | 2596 | |
92d7f7b0 JS |
2597 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
2598 | /* Try it one more time */ | |
2599 | vport->fc_ns_retry++; | |
2600 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
2601 | vport->fc_ns_retry, 0); | |
2602 | if (rc == 0) | |
2603 | break; | |
dea3101e | 2604 | } |
92d7f7b0 | 2605 | vport->fc_ns_retry = 0; |
dea3101e | 2606 | |
92d7f7b0 JS |
2607 | /* |
2608 | * Discovery is over. | |
2609 | * set port_state to PORT_READY if SLI2. | |
2610 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
2611 | */ | |
2612 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2613 | lpfc_issue_reg_vpi(phba, vport); | |
2614 | else { /* NPIV Not enabled */ | |
2615 | lpfc_issue_clear_la(phba, vport); | |
2616 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 2617 | } |
2618 | ||
2619 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2620 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2621 | if (!initlinkmbox) { | |
2622 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
92d7f7b0 | 2623 | "%d (%d):0206 Device Discovery " |
dea3101e | 2624 | "completion error\n", |
92d7f7b0 | 2625 | phba->brd_no, vport->vpi); |
2e0fef85 | 2626 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2627 | break; |
2628 | } | |
2629 | ||
2630 | lpfc_linkdown(phba); | |
2631 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2632 | phba->cfg_link_speed); | |
2633 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
ed957684 | 2634 | initlinkmbox->vport = vport; |
92d7f7b0 | 2635 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 2636 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, |
2637 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2638 | lpfc_set_loopback_flag(phba); |
dea3101e | 2639 | if (rc == MBX_NOT_FINISHED) |
2640 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2641 | ||
2642 | break; | |
2643 | ||
2644 | case LPFC_DISC_AUTH: | |
2645 | /* Node Authentication timeout */ | |
ed957684 | 2646 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2647 | "%d (%d):0227 Node Authentication timeout\n", |
2648 | phba->brd_no, vport->vpi); | |
2e0fef85 JS |
2649 | lpfc_disc_flush_list(vport); |
2650 | ||
92d7f7b0 JS |
2651 | /* |
2652 | * set port_state to PORT_READY if SLI2. | |
2653 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
2654 | */ | |
2655 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2656 | lpfc_issue_reg_vpi(phba, vport); | |
2657 | else { /* NPIV Not enabled */ | |
2658 | lpfc_issue_clear_la(phba, vport); | |
2659 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 2660 | } |
2661 | break; | |
2662 | ||
2e0fef85 JS |
2663 | case LPFC_VPORT_READY: |
2664 | if (vport->fc_flag & FC_RSCN_MODE) { | |
ed957684 | 2665 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2666 | "%d (%d):0231 RSCN timeout Data: x%x " |
2667 | "x%x\n", | |
2668 | phba->brd_no, vport->vpi, | |
2e0fef85 | 2669 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); |
dea3101e | 2670 | |
2671 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 2672 | lpfc_els_flush_cmd(vport); |
dea3101e | 2673 | |
2e0fef85 JS |
2674 | lpfc_els_flush_rscn(vport); |
2675 | lpfc_disc_flush_list(vport); | |
dea3101e | 2676 | } |
2677 | break; | |
2e0fef85 | 2678 | |
92d7f7b0 | 2679 | default: |
ed957684 | 2680 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2681 | "%d (%d):0229 Unexpected discovery timeout, " |
2682 | "vport State x%x\n", | |
2683 | phba->brd_no, vport->vpi, vport->port_state); | |
2e0fef85 JS |
2684 | |
2685 | break; | |
2686 | } | |
2687 | ||
2688 | switch (phba->link_state) { | |
2689 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 2690 | /* CLEAR LA timeout */ |
ed957684 | 2691 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
2692 | "%d (%d):0228 CLEAR LA timeout\n", |
2693 | phba->brd_no, vport->vpi); | |
2e0fef85 JS |
2694 | clrlaerr = 1; |
2695 | break; | |
2696 | ||
2697 | case LPFC_LINK_UNKNOWN: | |
2698 | case LPFC_WARM_START: | |
2699 | case LPFC_INIT_START: | |
2700 | case LPFC_INIT_MBX_CMDS: | |
2701 | case LPFC_LINK_DOWN: | |
2702 | case LPFC_LINK_UP: | |
2703 | case LPFC_HBA_ERROR: | |
ed957684 | 2704 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 | 2705 | "%d (%d):0230 Unexpected timeout, hba link " |
2e0fef85 | 2706 | "state x%x\n", |
92d7f7b0 | 2707 | phba->brd_no, vport->vpi, phba->link_state); |
2e0fef85 JS |
2708 | clrlaerr = 1; |
2709 | break; | |
92d7f7b0 JS |
2710 | |
2711 | case LPFC_HBA_READY: | |
2712 | break; | |
dea3101e | 2713 | } |
2714 | ||
2715 | if (clrlaerr) { | |
2e0fef85 | 2716 | lpfc_disc_flush_list(vport); |
a4bc3379 | 2717 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 2718 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
2719 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 2720 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2721 | } |
2722 | ||
2723 | return; | |
2724 | } | |
2725 | ||
dea3101e | 2726 | /* |
2727 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2728 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2729 | * as the completion routine when the command is | |
2730 | * handed off to the SLI layer. | |
2731 | */ | |
2732 | void | |
2e0fef85 | 2733 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2734 | { |
2e0fef85 JS |
2735 | MAILBOX_t *mb = &pmb->mb; |
2736 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2737 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2738 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 2739 | |
2740 | pmb->context1 = NULL; | |
2741 | ||
dea3101e | 2742 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 2743 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2744 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2745 | |
2e0fef85 JS |
2746 | /* |
2747 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
2748 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
2749 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 2750 | */ |
2e0fef85 JS |
2751 | |
2752 | if (phba->cfg_fdmi_on == 1) | |
2753 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); | |
2754 | else | |
2755 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 2756 | |
329f9bc7 JS |
2757 | /* Mailbox took a reference to the node */ |
2758 | lpfc_nlp_put(ndlp); | |
dea3101e | 2759 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2760 | kfree(mp); | |
329f9bc7 | 2761 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2762 | |
2763 | return; | |
2764 | } | |
2765 | ||
685f0bf7 JS |
2766 | static int |
2767 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
2768 | { | |
2769 | uint16_t *rpi = param; | |
2770 | ||
2771 | return ndlp->nlp_rpi == *rpi; | |
2772 | } | |
2773 | ||
2774 | static int | |
2775 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
2776 | { | |
2777 | return memcmp(&ndlp->nlp_portname, param, | |
2778 | sizeof(ndlp->nlp_portname)) == 0; | |
2779 | } | |
2780 | ||
dea3101e | 2781 | struct lpfc_nodelist * |
2e0fef85 | 2782 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 2783 | { |
21568f53 | 2784 | struct lpfc_nodelist *ndlp; |
dea3101e | 2785 | |
2e0fef85 | 2786 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2787 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && |
2788 | filter(ndlp, param)) | |
2789 | return ndlp; | |
2790 | } | |
21568f53 | 2791 | return NULL; |
dea3101e | 2792 | } |
2793 | ||
685f0bf7 JS |
2794 | /* |
2795 | * Search node lists for a remote port matching filter criteria | |
92d7f7b0 | 2796 | * Caller needs to hold host_lock before calling this routine. |
685f0bf7 JS |
2797 | */ |
2798 | struct lpfc_nodelist * | |
2e0fef85 | 2799 | lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
685f0bf7 | 2800 | { |
2e0fef85 | 2801 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
685f0bf7 JS |
2802 | struct lpfc_nodelist *ndlp; |
2803 | ||
2e0fef85 JS |
2804 | spin_lock_irq(shost->host_lock); |
2805 | ndlp = __lpfc_find_node(vport, filter, param); | |
2806 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
2807 | return ndlp; |
2808 | } | |
2809 | ||
2810 | /* | |
2811 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 2812 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
2813 | */ |
2814 | struct lpfc_nodelist * | |
2e0fef85 | 2815 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 2816 | { |
2e0fef85 | 2817 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
2818 | } |
2819 | ||
2534ba75 | 2820 | struct lpfc_nodelist * |
2e0fef85 | 2821 | lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
2534ba75 | 2822 | { |
2e0fef85 | 2823 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2534ba75 JS |
2824 | struct lpfc_nodelist *ndlp; |
2825 | ||
2e0fef85 JS |
2826 | spin_lock_irq(shost->host_lock); |
2827 | ndlp = __lpfc_findnode_rpi(vport, rpi); | |
2828 | spin_unlock_irq(shost->host_lock); | |
2534ba75 JS |
2829 | return ndlp; |
2830 | } | |
2831 | ||
488d1469 | 2832 | /* |
685f0bf7 | 2833 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 2834 | * returns the node element list pointer else return NULL. |
488d1469 JS |
2835 | */ |
2836 | struct lpfc_nodelist * | |
2e0fef85 | 2837 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 2838 | { |
2e0fef85 | 2839 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 2840 | struct lpfc_nodelist *ndlp; |
488d1469 | 2841 | |
2e0fef85 JS |
2842 | spin_lock_irq(shost->host_lock); |
2843 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
2844 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 2845 | return ndlp; |
488d1469 JS |
2846 | } |
2847 | ||
92d7f7b0 JS |
2848 | void |
2849 | lpfc_dev_loss_delay(unsigned long ptr) | |
2850 | { | |
2851 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; | |
2852 | struct lpfc_vport *vport = ndlp->vport; | |
2853 | struct lpfc_hba *phba = vport->phba; | |
2854 | struct lpfc_work_evt *evtp = &ndlp->dev_loss_evt; | |
2855 | unsigned long flags; | |
2856 | ||
2857 | evtp = &ndlp->dev_loss_evt; | |
2858 | ||
2859 | spin_lock_irqsave(&phba->hbalock, flags); | |
2860 | if (!list_empty(&evtp->evt_listp)) { | |
2861 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
2862 | return; | |
2863 | } | |
2864 | ||
2865 | evtp->evt_arg1 = ndlp; | |
858c9f6c | 2866 | evtp->evt = LPFC_EVT_DEV_LOSS_DELAY; |
92d7f7b0 JS |
2867 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
2868 | if (phba->work_wait) | |
2869 | lpfc_worker_wake_up(phba); | |
2870 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
2871 | return; | |
2872 | } | |
2873 | ||
dea3101e | 2874 | void |
2e0fef85 JS |
2875 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2876 | uint32_t did) | |
dea3101e | 2877 | { |
2878 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
dea3101e | 2879 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
92d7f7b0 | 2880 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); |
dea3101e | 2881 | init_timer(&ndlp->nlp_delayfunc); |
2882 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2883 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2884 | ndlp->nlp_DID = did; | |
2e0fef85 | 2885 | ndlp->vport = vport; |
dea3101e | 2886 | ndlp->nlp_sid = NLP_NO_SID; |
685f0bf7 | 2887 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
329f9bc7 | 2888 | kref_init(&ndlp->kref); |
858c9f6c JS |
2889 | |
2890 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
2891 | "node init: did:x%x", | |
2892 | ndlp->nlp_DID, 0, 0); | |
2893 | ||
dea3101e | 2894 | return; |
2895 | } | |
329f9bc7 JS |
2896 | |
2897 | void | |
2898 | lpfc_nlp_release(struct kref *kref) | |
2899 | { | |
2900 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, | |
2901 | kref); | |
858c9f6c JS |
2902 | |
2903 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
2904 | "node release: did:x%x flg:x%x type:x%x", | |
2905 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
2906 | ||
2e0fef85 JS |
2907 | lpfc_nlp_remove(ndlp->vport, ndlp); |
2908 | mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); | |
329f9bc7 JS |
2909 | } |
2910 | ||
2911 | struct lpfc_nodelist * | |
2912 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
2913 | { | |
2914 | if (ndlp) | |
2915 | kref_get(&ndlp->kref); | |
2916 | return ndlp; | |
2917 | } | |
2918 | ||
2919 | int | |
2920 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
2921 | { | |
2922 | return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; | |
2923 | } |