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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/interrupt.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_transport_fc.h> | |
31 | ||
32 | #include "lpfc_hw.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_scsi.h" | |
36 | #include "lpfc.h" | |
37 | #include "lpfc_logmsg.h" | |
38 | #include "lpfc_crtn.h" | |
92d7f7b0 | 39 | #include "lpfc_vport.h" |
858c9f6c | 40 | #include "lpfc_debugfs.h" |
dea3101e | 41 | |
42 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
43 | static uint8_t lpfcAlpaArray[] = { | |
44 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
45 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
46 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
47 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
48 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
49 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
50 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
51 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
52 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
53 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
54 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
55 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
56 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
57 | }; | |
58 | ||
2e0fef85 | 59 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
dea3101e | 60 | |
c01f3208 JS |
61 | void |
62 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 63 | { |
c01f3208 JS |
64 | struct lpfc_rport_data *rdata; |
65 | struct lpfc_nodelist * ndlp; | |
66 | struct lpfc_hba *phba; | |
dea3101e | 67 | |
c01f3208 JS |
68 | rdata = rport->dd_data; |
69 | ndlp = rdata->pnode; | |
70 | ||
71 | if (!ndlp) { | |
72 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) | |
73 | printk(KERN_ERR "Cannot find remote node" | |
74 | " to terminate I/O Data x%x\n", | |
75 | rport->port_id); | |
dea3101e | 76 | return; |
77 | } | |
78 | ||
2e0fef85 | 79 | phba = ndlp->vport->phba; |
c01f3208 | 80 | |
858c9f6c JS |
81 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
82 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
83 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
84 | ||
c01f3208 JS |
85 | if (ndlp->nlp_sid != NLP_NO_SID) { |
86 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
87 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
88 | } | |
c01f3208 JS |
89 | |
90 | return; | |
91 | } | |
92 | ||
93 | /* | |
94 | * This function will be called when dev_loss_tmo fire. | |
95 | */ | |
96 | void | |
97 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
98 | { | |
99 | struct lpfc_rport_data *rdata; | |
100 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 101 | struct lpfc_vport *vport; |
858c9f6c JS |
102 | struct lpfc_hba *phba; |
103 | struct completion devloss_compl; | |
104 | struct lpfc_work_evt *evtp; | |
c01f3208 JS |
105 | |
106 | rdata = rport->dd_data; | |
107 | ndlp = rdata->pnode; | |
1a169689 | 108 | |
c01f3208 | 109 | if (!ndlp) { |
92d7f7b0 | 110 | if (rport->scsi_target_id != -1) { |
c01f3208 | 111 | printk(KERN_ERR "Cannot find remote node" |
92d7f7b0 JS |
112 | " for rport in dev_loss_tmo_callbk x%x\n", |
113 | rport->port_id); | |
114 | } | |
c01f3208 JS |
115 | return; |
116 | } | |
117 | ||
858c9f6c JS |
118 | vport = ndlp->vport; |
119 | phba = vport->phba; | |
120 | ||
121 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
122 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
123 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
124 | ||
125 | init_completion(&devloss_compl); | |
126 | evtp = &ndlp->dev_loss_evt; | |
127 | ||
128 | if (!list_empty(&evtp->evt_listp)) | |
129 | return; | |
130 | ||
131 | spin_lock_irq(&phba->hbalock); | |
132 | evtp->evt_arg1 = ndlp; | |
133 | evtp->evt_arg2 = &devloss_compl; | |
134 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
135 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
136 | if (phba->work_wait) | |
137 | wake_up(phba->work_wait); | |
138 | ||
139 | spin_unlock_irq(&phba->hbalock); | |
140 | ||
141 | wait_for_completion(&devloss_compl); | |
142 | ||
143 | return; | |
144 | } | |
145 | ||
146 | /* | |
147 | * This function is called from the worker thread when dev_loss_tmo | |
148 | * expire. | |
149 | */ | |
150 | void | |
151 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) | |
152 | { | |
153 | struct lpfc_rport_data *rdata; | |
154 | struct fc_rport *rport; | |
155 | struct lpfc_vport *vport; | |
156 | struct lpfc_hba *phba; | |
157 | uint8_t *name; | |
158 | int warn_on = 0; | |
159 | ||
160 | rport = ndlp->rport; | |
161 | ||
162 | if (!rport) | |
163 | return; | |
164 | ||
165 | rdata = rport->dd_data; | |
166 | name = (uint8_t *) &ndlp->nlp_portname; | |
167 | vport = ndlp->vport; | |
168 | phba = vport->phba; | |
169 | ||
170 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
171 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
172 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
173 | ||
174 | if (!(vport->load_flag & FC_UNLOADING) && | |
175 | ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
176 | return; | |
177 | ||
92d7f7b0 | 178 | if (ndlp->nlp_type & NLP_FABRIC) { |
858c9f6c JS |
179 | int put_node; |
180 | int put_rport; | |
181 | ||
92d7f7b0 JS |
182 | /* We will clean up these Nodes in linkup */ |
183 | put_node = rdata->pnode != NULL; | |
184 | put_rport = ndlp->rport != NULL; | |
185 | rdata->pnode = NULL; | |
186 | ndlp->rport = NULL; | |
187 | if (put_node) | |
188 | lpfc_nlp_put(ndlp); | |
189 | if (put_rport) | |
190 | put_device(&rport->dev); | |
82085718 | 191 | return; |
92d7f7b0 | 192 | } |
82085718 | 193 | |
dea3101e | 194 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 195 | warn_on = 1; |
dea3101e | 196 | /* flush the target */ |
197 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
92d7f7b0 | 198 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); |
dea3101e | 199 | } |
2e0fef85 | 200 | if (vport->load_flag & FC_UNLOADING) |
c01f3208 JS |
201 | warn_on = 0; |
202 | ||
6e8215e4 | 203 | if (warn_on) { |
e8b62011 JS |
204 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
205 | "0203 Devloss timeout on " | |
206 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
207 | "NPort x%x Data: x%x x%x x%x\n", | |
208 | *name, *(name+1), *(name+2), *(name+3), | |
209 | *(name+4), *(name+5), *(name+6), *(name+7), | |
210 | ndlp->nlp_DID, ndlp->nlp_flag, | |
211 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 212 | } else { |
e8b62011 JS |
213 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
214 | "0204 Devloss timeout on " | |
215 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
216 | "NPort x%x Data: x%x x%x x%x\n", | |
217 | *name, *(name+1), *(name+2), *(name+3), | |
218 | *(name+4), *(name+5), *(name+6), *(name+7), | |
219 | ndlp->nlp_DID, ndlp->nlp_flag, | |
220 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
221 | } |
222 | ||
2e0fef85 | 223 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 224 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 JS |
225 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
226 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) | |
2e0fef85 | 227 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
1dcb58e5 | 228 | else { |
858c9f6c JS |
229 | int put_node; |
230 | int put_rport; | |
231 | ||
92d7f7b0 JS |
232 | put_node = rdata->pnode != NULL; |
233 | put_rport = ndlp->rport != NULL; | |
1dcb58e5 JS |
234 | rdata->pnode = NULL; |
235 | ndlp->rport = NULL; | |
92d7f7b0 JS |
236 | if (put_node) |
237 | lpfc_nlp_put(ndlp); | |
238 | if (put_rport) | |
239 | put_device(&rport->dev); | |
1dcb58e5 | 240 | } |
92d7f7b0 | 241 | } |
c01f3208 | 242 | |
92d7f7b0 JS |
243 | |
244 | void | |
245 | lpfc_worker_wake_up(struct lpfc_hba *phba) | |
246 | { | |
247 | wake_up(phba->work_wait); | |
dea3101e | 248 | return; |
249 | } | |
250 | ||
251 | static void | |
2e0fef85 | 252 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 253 | { |
254 | struct lpfc_work_evt *evtp = NULL; | |
255 | struct lpfc_nodelist *ndlp; | |
92d7f7b0 | 256 | struct lpfc_vport *vport; |
dea3101e | 257 | int free_evt; |
258 | ||
2e0fef85 JS |
259 | spin_lock_irq(&phba->hbalock); |
260 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 261 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
262 | evt_listp); | |
2e0fef85 | 263 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 264 | free_evt = 1; |
2fe165b6 | 265 | switch (evtp->evt) { |
858c9f6c | 266 | case LPFC_EVT_DEV_LOSS_DELAY: |
92d7f7b0 JS |
267 | free_evt = 0; /* evt is part of ndlp */ |
268 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); | |
269 | vport = ndlp->vport; | |
270 | if (!vport) | |
271 | break; | |
858c9f6c JS |
272 | |
273 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
274 | "rport devlossdly:did:x%x flg:x%x", | |
275 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
276 | ||
92d7f7b0 JS |
277 | if (!(vport->load_flag & FC_UNLOADING) && |
278 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && | |
279 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { | |
280 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
281 | NLP_EVT_DEVICE_RM); | |
282 | } | |
283 | break; | |
dea3101e | 284 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 285 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 286 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 287 | free_evt = 0; /* evt is part of ndlp */ |
dea3101e | 288 | break; |
858c9f6c JS |
289 | case LPFC_EVT_DEV_LOSS: |
290 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
291 | lpfc_nlp_get(ndlp); | |
292 | lpfc_dev_loss_tmo_handler(ndlp); | |
293 | free_evt = 0; | |
294 | complete((struct completion *)(evtp->evt_arg2)); | |
295 | lpfc_nlp_put(ndlp); | |
296 | break; | |
dea3101e | 297 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
298 | if (phba->link_state < LPFC_LINK_DOWN) |
299 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 300 | else |
2e0fef85 | 301 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 302 | complete((struct completion *)(evtp->evt_arg2)); |
303 | break; | |
46fa311e | 304 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 305 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
306 | lpfc_offline_prep(phba); |
307 | *(int *)(evtp->evt_arg1) = 0; | |
308 | complete((struct completion *)(evtp->evt_arg2)); | |
309 | break; | |
310 | case LPFC_EVT_OFFLINE: | |
311 | lpfc_offline(phba); | |
41415862 JW |
312 | lpfc_sli_brdrestart(phba); |
313 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
314 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
315 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
316 | complete((struct completion *)(evtp->evt_arg2)); |
317 | break; | |
318 | case LPFC_EVT_WARM_START: | |
46fa311e | 319 | lpfc_offline(phba); |
9290831f | 320 | lpfc_reset_barrier(phba); |
41415862 JW |
321 | lpfc_sli_brdreset(phba); |
322 | lpfc_hba_down_post(phba); | |
323 | *(int *)(evtp->evt_arg1) = | |
324 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 325 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
326 | complete((struct completion *)(evtp->evt_arg2)); |
327 | break; | |
328 | case LPFC_EVT_KILL: | |
46fa311e | 329 | lpfc_offline(phba); |
9290831f | 330 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
331 | = (phba->pport->stopped) |
332 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 333 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 334 | complete((struct completion *)(evtp->evt_arg2)); |
335 | break; | |
336 | } | |
337 | if (free_evt) | |
338 | kfree(evtp); | |
2e0fef85 | 339 | spin_lock_irq(&phba->hbalock); |
dea3101e | 340 | } |
2e0fef85 | 341 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 342 | |
343 | } | |
344 | ||
858c9f6c | 345 | void |
2e0fef85 | 346 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 347 | { |
348 | struct lpfc_sli_ring *pring; | |
858c9f6c | 349 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd JS |
350 | struct lpfc_vport **vports; |
351 | int i; | |
dea3101e | 352 | |
2e0fef85 | 353 | spin_lock_irq(&phba->hbalock); |
dea3101e | 354 | ha_copy = phba->work_ha; |
355 | phba->work_ha = 0; | |
2e0fef85 | 356 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 357 | |
2fe165b6 | 358 | if (ha_copy & HA_ERATT) |
dea3101e | 359 | lpfc_handle_eratt(phba); |
360 | ||
2fe165b6 | 361 | if (ha_copy & HA_MBATT) |
dea3101e | 362 | lpfc_sli_handle_mb_event(phba); |
363 | ||
2fe165b6 | 364 | if (ha_copy & HA_LATT) |
dea3101e | 365 | lpfc_handle_latt(phba); |
549e55cd JS |
366 | vports = lpfc_create_vport_work_array(phba); |
367 | if (vports != NULL) | |
368 | for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { | |
369 | work_port_events = vports[i]->work_port_events; | |
370 | if (work_port_events & WORKER_DISC_TMO) | |
371 | lpfc_disc_timeout_handler(vports[i]); | |
372 | if (work_port_events & WORKER_ELS_TMO) | |
373 | lpfc_els_timeout_handler(vports[i]); | |
374 | if (work_port_events & WORKER_HB_TMO) | |
375 | lpfc_hb_timeout_handler(phba); | |
376 | if (work_port_events & WORKER_MBOX_TMO) | |
377 | lpfc_mbox_timeout_handler(phba); | |
378 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
379 | lpfc_unblock_fabric_iocbs(phba); | |
380 | if (work_port_events & WORKER_FDMI_TMO) | |
381 | lpfc_fdmi_timeout_handler(vports[i]); | |
382 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) | |
383 | lpfc_ramp_down_queue_handler(phba); | |
384 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
385 | lpfc_ramp_up_queue_handler(phba); | |
386 | spin_lock_irq(&vports[i]->work_port_lock); | |
387 | vports[i]->work_port_events &= ~work_port_events; | |
388 | spin_unlock_irq(&vports[i]->work_port_lock); | |
92d7f7b0 | 389 | } |
549e55cd | 390 | lpfc_destroy_vport_work_array(vports); |
dea3101e | 391 | |
858c9f6c JS |
392 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
393 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
394 | status >>= (4*LPFC_ELS_RING); | |
395 | if ((status & HA_RXMASK) | |
396 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
397 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
398 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
399 | } else { | |
400 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
401 | (status & | |
402 | HA_RXMASK)); | |
403 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
404 | } | |
405 | /* | |
406 | * Turn on Ring interrupts | |
407 | */ | |
408 | spin_lock_irq(&phba->hbalock); | |
409 | control = readl(phba->HCregaddr); | |
410 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
a58cbd52 JS |
411 | lpfc_debugfs_slow_ring_trc(phba, |
412 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
413 | control, ha_copy, 0); | |
414 | ||
858c9f6c | 415 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); |
dea3101e | 416 | writel(control, phba->HCregaddr); |
417 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 418 | } |
a58cbd52 JS |
419 | else { |
420 | lpfc_debugfs_slow_ring_trc(phba, | |
421 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
422 | control, ha_copy, 0); | |
423 | } | |
858c9f6c | 424 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 425 | } |
2e0fef85 | 426 | lpfc_work_list_done(phba); |
dea3101e | 427 | } |
428 | ||
429 | static int | |
2e0fef85 JS |
430 | check_work_wait_done(struct lpfc_hba *phba) |
431 | { | |
92d7f7b0 | 432 | struct lpfc_vport *vport; |
549e55cd | 433 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
858c9f6c | 434 | int rc = 0; |
ed957684 | 435 | |
2e0fef85 | 436 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 JS |
437 | list_for_each_entry(vport, &phba->port_list, listentry) { |
438 | if (vport->work_port_events) { | |
439 | rc = 1; | |
549e55cd | 440 | break; |
92d7f7b0 JS |
441 | } |
442 | } | |
549e55cd JS |
443 | if (rc || phba->work_ha || (!list_empty(&phba->work_list)) || |
444 | kthread_should_stop() || pring->flag & LPFC_DEFERRED_RING_EVENT) { | |
858c9f6c | 445 | rc = 1; |
92d7f7b0 | 446 | phba->work_found++; |
549e55cd | 447 | } else |
92d7f7b0 | 448 | phba->work_found = 0; |
2e0fef85 JS |
449 | spin_unlock_irq(&phba->hbalock); |
450 | return rc; | |
dea3101e | 451 | } |
452 | ||
92d7f7b0 | 453 | |
dea3101e | 454 | int |
455 | lpfc_do_work(void *p) | |
456 | { | |
457 | struct lpfc_hba *phba = p; | |
458 | int rc; | |
7259f0d0 | 459 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq); |
dea3101e | 460 | |
461 | set_user_nice(current, -20); | |
462 | phba->work_wait = &work_waitq; | |
92d7f7b0 | 463 | phba->work_found = 0; |
dea3101e | 464 | |
465 | while (1) { | |
466 | ||
467 | rc = wait_event_interruptible(work_waitq, | |
92d7f7b0 JS |
468 | check_work_wait_done(phba)); |
469 | ||
dea3101e | 470 | BUG_ON(rc); |
471 | ||
472 | if (kthread_should_stop()) | |
473 | break; | |
474 | ||
475 | lpfc_work_done(phba); | |
476 | ||
92d7f7b0 JS |
477 | /* If there is alot of slow ring work, like during link up |
478 | * check_work_wait_done() may cause this thread to not give | |
479 | * up the CPU for very long periods of time. This may cause | |
480 | * soft lockups or other problems. To avoid these situations | |
481 | * give up the CPU here after LPFC_MAX_WORKER_ITERATION | |
482 | * consecutive iterations. | |
483 | */ | |
484 | if (phba->work_found >= LPFC_MAX_WORKER_ITERATION) { | |
485 | phba->work_found = 0; | |
486 | schedule(); | |
487 | } | |
dea3101e | 488 | } |
489 | phba->work_wait = NULL; | |
490 | return 0; | |
491 | } | |
492 | ||
493 | /* | |
494 | * This is only called to handle FC worker events. Since this a rare | |
495 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
496 | * embedding it in the IOCB. | |
497 | */ | |
498 | int | |
2e0fef85 | 499 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 500 | uint32_t evt) |
501 | { | |
502 | struct lpfc_work_evt *evtp; | |
ed957684 | 503 | unsigned long flags; |
dea3101e | 504 | |
505 | /* | |
506 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
507 | * be queued to worker thread for processing | |
508 | */ | |
92d7f7b0 | 509 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 510 | if (!evtp) |
511 | return 0; | |
512 | ||
513 | evtp->evt_arg1 = arg1; | |
514 | evtp->evt_arg2 = arg2; | |
515 | evtp->evt = evt; | |
516 | ||
ed957684 | 517 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 518 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
dea3101e | 519 | if (phba->work_wait) |
92d7f7b0 | 520 | lpfc_worker_wake_up(phba); |
ed957684 | 521 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 522 | |
523 | return 1; | |
524 | } | |
525 | ||
92d7f7b0 JS |
526 | void |
527 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
528 | { | |
529 | struct lpfc_hba *phba = vport->phba; | |
530 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
531 | int rc; | |
532 | ||
533 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
534 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
535 | continue; | |
536 | ||
537 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) | |
538 | lpfc_unreg_rpi(vport, ndlp); | |
539 | ||
540 | /* Leave Fabric nodes alone on link down */ | |
541 | if (!remove && ndlp->nlp_type & NLP_FABRIC) | |
542 | continue; | |
543 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
544 | remove | |
545 | ? NLP_EVT_DEVICE_RM | |
546 | : NLP_EVT_DEVICE_RECOVERY); | |
547 | } | |
548 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
549 | lpfc_mbx_unreg_vpi(vport); | |
550 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
551 | } | |
552 | } | |
553 | ||
554 | static void | |
555 | lpfc_linkdown_port(struct lpfc_vport *vport) | |
556 | { | |
557 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
558 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
559 | ||
560 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
561 | ||
858c9f6c JS |
562 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
563 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
564 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
565 | ||
92d7f7b0 JS |
566 | /* Cleanup any outstanding RSCN activity */ |
567 | lpfc_els_flush_rscn(vport); | |
568 | ||
569 | /* Cleanup any outstanding ELS commands */ | |
570 | lpfc_els_flush_cmd(vport); | |
571 | ||
572 | lpfc_cleanup_rpis(vport, 0); | |
573 | ||
574 | /* free any ndlp's on unused list */ | |
575 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) | |
92d7f7b0 JS |
576 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
577 | lpfc_drop_node(vport, ndlp); | |
578 | ||
579 | /* Turn off discovery timer if its running */ | |
580 | lpfc_can_disctmo(vport); | |
581 | } | |
582 | ||
dea3101e | 583 | int |
685f0bf7 | 584 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 585 | { |
2e0fef85 JS |
586 | struct lpfc_vport *vport = phba->pport; |
587 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 588 | struct lpfc_vport **vports; |
685f0bf7 | 589 | LPFC_MBOXQ_t *mb; |
549e55cd | 590 | int i; |
dea3101e | 591 | |
2e0fef85 JS |
592 | if (phba->link_state == LPFC_LINK_DOWN) { |
593 | return 0; | |
c9f8735b | 594 | } |
2e0fef85 | 595 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 | 596 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 597 | phba->link_state = LPFC_LINK_DOWN; |
92d7f7b0 JS |
598 | phba->pport->fc_flag &= ~FC_LBIT; |
599 | } | |
2e0fef85 | 600 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
601 | vports = lpfc_create_vport_work_array(phba); |
602 | if (vports != NULL) | |
603 | for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { | |
604 | /* Issue a LINK DOWN event to all nodes */ | |
605 | lpfc_linkdown_port(vports[i]); | |
606 | } | |
607 | lpfc_destroy_vport_work_array(vports); | |
dea3101e | 608 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
609 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
610 | if (mb) { | |
92d7f7b0 | 611 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 612 | mb->vport = vport; |
2e0fef85 | 613 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 614 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
615 | == MBX_NOT_FINISHED) { | |
2e0fef85 | 616 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 617 | } |
618 | } | |
619 | ||
dea3101e | 620 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
621 | if (phba->pport->fc_flag & FC_PT2PT) { |
622 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
623 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
624 | if (mb) { | |
dea3101e | 625 | lpfc_config_link(phba, mb); |
92d7f7b0 | 626 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 627 | mb->vport = vport; |
2e0fef85 JS |
628 | if (lpfc_sli_issue_mbox(phba, mb, |
629 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
dea3101e | 630 | == MBX_NOT_FINISHED) { |
2e0fef85 | 631 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 632 | } |
633 | } | |
2e0fef85 | 634 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 635 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 636 | spin_unlock_irq(shost->host_lock); |
dea3101e | 637 | } |
2e0fef85 | 638 | |
92d7f7b0 JS |
639 | return 0; |
640 | } | |
dea3101e | 641 | |
92d7f7b0 JS |
642 | static void |
643 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
644 | { | |
645 | struct lpfc_nodelist *ndlp; | |
dea3101e | 646 | |
92d7f7b0 JS |
647 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
648 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
649 | continue; | |
650 | ||
651 | if (ndlp->nlp_type & NLP_FABRIC) { | |
652 | /* On Linkup its safe to clean up the ndlp | |
653 | * from Fabric connections. | |
654 | */ | |
655 | if (ndlp->nlp_DID != Fabric_DID) | |
656 | lpfc_unreg_rpi(vport, ndlp); | |
657 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
658 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
659 | /* Fail outstanding IO now since device is | |
660 | * marked for PLOGI. | |
661 | */ | |
662 | lpfc_unreg_rpi(vport, ndlp); | |
663 | } | |
664 | } | |
dea3101e | 665 | } |
666 | ||
92d7f7b0 JS |
667 | static void |
668 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 669 | { |
92d7f7b0 | 670 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 671 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 JS |
672 | struct lpfc_hba *phba = vport->phba; |
673 | ||
674 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
675 | return; | |
676 | ||
858c9f6c JS |
677 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
678 | "Link Up: top:x%x speed:x%x flg:x%x", | |
679 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
680 | ||
92d7f7b0 JS |
681 | /* If NPIV is not enabled, only bring the physical port up */ |
682 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
683 | (vport != phba->pport)) | |
684 | return; | |
dea3101e | 685 | |
2e0fef85 | 686 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 687 | |
2e0fef85 | 688 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
689 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
690 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
691 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
692 | vport->fc_ns_retry = 0; | |
693 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 694 | |
92d7f7b0 JS |
695 | if (vport->fc_flag & FC_LBIT) |
696 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 697 | |
92d7f7b0 | 698 | /* free any ndlp's in unused state */ |
2e0fef85 | 699 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
92d7f7b0 | 700 | nlp_listp) |
685f0bf7 | 701 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2e0fef85 | 702 | lpfc_drop_node(vport, ndlp); |
92d7f7b0 JS |
703 | } |
704 | ||
705 | static int | |
706 | lpfc_linkup(struct lpfc_hba *phba) | |
707 | { | |
549e55cd JS |
708 | struct lpfc_vport **vports; |
709 | int i; | |
92d7f7b0 JS |
710 | |
711 | phba->link_state = LPFC_LINK_UP; | |
712 | ||
713 | /* Unblock fabric iocbs if they are blocked */ | |
714 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
715 | del_timer_sync(&phba->fabric_block_timer); | |
716 | ||
549e55cd JS |
717 | vports = lpfc_create_vport_work_array(phba); |
718 | if (vports != NULL) | |
719 | for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) | |
720 | lpfc_linkup_port(vports[i]); | |
721 | lpfc_destroy_vport_work_array(vports); | |
92d7f7b0 JS |
722 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) |
723 | lpfc_issue_clear_la(phba, phba->pport); | |
dea3101e | 724 | |
725 | return 0; | |
726 | } | |
727 | ||
728 | /* | |
729 | * This routine handles processing a CLEAR_LA mailbox | |
730 | * command upon completion. It is setup in the LPFC_MBOXQ | |
731 | * as the completion routine when the command is | |
732 | * handed off to the SLI layer. | |
733 | */ | |
734 | void | |
2e0fef85 | 735 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 736 | { |
2e0fef85 JS |
737 | struct lpfc_vport *vport = pmb->vport; |
738 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
739 | struct lpfc_sli *psli = &phba->sli; | |
740 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 741 | uint32_t control; |
742 | ||
dea3101e | 743 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 744 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 745 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
746 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
747 | ||
748 | /* Check for error */ | |
749 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 750 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
751 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
752 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
753 | "state x%x\n", | |
754 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 755 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 756 | goto out; |
757 | } | |
758 | ||
92d7f7b0 JS |
759 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
760 | phba->link_state = LPFC_HBA_READY; | |
761 | ||
762 | spin_lock_irq(&phba->hbalock); | |
763 | psli->sli_flag |= LPFC_PROCESS_LA; | |
764 | control = readl(phba->HCregaddr); | |
765 | control |= HC_LAINT_ENA; | |
766 | writel(control, phba->HCregaddr); | |
767 | readl(phba->HCregaddr); /* flush */ | |
768 | spin_unlock_irq(&phba->hbalock); | |
769 | return; | |
dea3101e | 770 | |
2e0fef85 JS |
771 | vport->num_disc_nodes = 0; |
772 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
773 | if (vport->fc_npr_cnt) | |
774 | lpfc_els_disc_plogi(vport); | |
dea3101e | 775 | |
2e0fef85 JS |
776 | if (!vport->num_disc_nodes) { |
777 | spin_lock_irq(shost->host_lock); | |
778 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
779 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 780 | } |
781 | ||
2e0fef85 | 782 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 783 | |
784 | out: | |
785 | /* Device Discovery completes */ | |
e8b62011 JS |
786 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
787 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 788 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 789 | |
2e0fef85 JS |
790 | spin_lock_irq(shost->host_lock); |
791 | vport->fc_flag &= ~(FC_ABORT_DISCOVERY | FC_ESTABLISH_LINK); | |
792 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 793 | |
794 | del_timer_sync(&phba->fc_estabtmo); | |
795 | ||
2e0fef85 | 796 | lpfc_can_disctmo(vport); |
dea3101e | 797 | |
798 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
799 | |
800 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 801 | psli->sli_flag |= LPFC_PROCESS_LA; |
802 | control = readl(phba->HCregaddr); | |
803 | control |= HC_LAINT_ENA; | |
804 | writel(control, phba->HCregaddr); | |
805 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 806 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 807 | |
808 | return; | |
809 | } | |
810 | ||
2e0fef85 | 811 | |
dea3101e | 812 | static void |
25594c6b | 813 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 814 | { |
2e0fef85 | 815 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 816 | |
25594c6b | 817 | if (pmb->mb.mbxStatus) |
dea3101e | 818 | goto out; |
dea3101e | 819 | |
25594c6b JW |
820 | mempool_free(pmb, phba->mbox_mem_pool); |
821 | ||
822 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
823 | vport->fc_flag & FC_PUBLIC_LOOP && |
824 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 825 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 826 | * for timeout. port_state is identically |
25594c6b JW |
827 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
828 | */ | |
2e0fef85 | 829 | lpfc_set_disctmo(vport); |
25594c6b | 830 | return; |
92d7f7b0 | 831 | } |
dea3101e | 832 | |
2e0fef85 | 833 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
834 | * LPFC_FLOGI while waiting for FLOGI cmpl |
835 | */ | |
92d7f7b0 JS |
836 | if (vport->port_state != LPFC_FLOGI) { |
837 | vport->port_state = LPFC_FLOGI; | |
838 | lpfc_set_disctmo(vport); | |
839 | lpfc_initial_flogi(vport); | |
840 | } | |
25594c6b | 841 | return; |
dea3101e | 842 | |
843 | out: | |
e8b62011 JS |
844 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
845 | "0306 CONFIG_LINK mbxStatus error x%x " | |
846 | "HBA state x%x\n", | |
847 | pmb->mb.mbxStatus, vport->port_state); | |
92d7f7b0 | 848 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 849 | |
92d7f7b0 | 850 | lpfc_linkdown(phba); |
25594c6b | 851 | |
e8b62011 JS |
852 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
853 | "0200 CONFIG_LINK bad hba state x%x\n", | |
854 | vport->port_state); | |
dea3101e | 855 | |
92d7f7b0 | 856 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 857 | return; |
858 | } | |
859 | ||
860 | static void | |
2e0fef85 | 861 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 862 | { |
dea3101e | 863 | MAILBOX_t *mb = &pmb->mb; |
864 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
2e0fef85 | 865 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 866 | |
867 | ||
868 | /* Check for error */ | |
869 | if (mb->mbxStatus) { | |
870 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
871 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
872 | "0319 READ_SPARAM mbxStatus error x%x " | |
873 | "hba state x%x>\n", | |
874 | mb->mbxStatus, vport->port_state); | |
dea3101e | 875 | lpfc_linkdown(phba); |
dea3101e | 876 | goto out; |
877 | } | |
878 | ||
2e0fef85 | 879 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 880 | sizeof (struct serv_parm)); |
a12e07bc | 881 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
882 | u64_to_wwn(phba->cfg_soft_wwnn, |
883 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 884 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
885 | u64_to_wwn(phba->cfg_soft_wwpn, |
886 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
887 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
888 | sizeof(vport->fc_nodename)); | |
889 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
890 | sizeof(vport->fc_portname)); | |
891 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
892 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
893 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
894 | } | |
895 | ||
dea3101e | 896 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
897 | kfree(mp); | |
2e0fef85 | 898 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 899 | return; |
900 | ||
901 | out: | |
902 | pmb->context1 = NULL; | |
903 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
904 | kfree(mp); | |
92d7f7b0 JS |
905 | lpfc_issue_clear_la(phba, vport); |
906 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 907 | return; |
908 | } | |
909 | ||
910 | static void | |
92d7f7b0 | 911 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 912 | { |
92d7f7b0 | 913 | struct lpfc_vport *vport = phba->pport; |
dea3101e | 914 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; |
2e0fef85 | 915 | int i; |
14691150 JS |
916 | struct lpfc_dmabuf *mp; |
917 | int rc; | |
918 | ||
dea3101e | 919 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
920 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
921 | ||
92d7f7b0 | 922 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 923 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
924 | case LA_1GHZ_LINK: |
925 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
926 | break; | |
927 | case LA_2GHZ_LINK: | |
928 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
929 | break; | |
930 | case LA_4GHZ_LINK: | |
931 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
932 | break; | |
933 | case LA_8GHZ_LINK: | |
934 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
935 | break; | |
936 | default: | |
937 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
938 | break; | |
dea3101e | 939 | } |
940 | ||
941 | phba->fc_topology = la->topology; | |
92d7f7b0 | 942 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 943 | |
944 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 945 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 946 | |
92d7f7b0 | 947 | /* Get Loop Map information */ |
dea3101e | 948 | if (la->il) |
2e0fef85 | 949 | vport->fc_flag |= FC_LBIT; |
dea3101e | 950 | |
2e0fef85 | 951 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 952 | i = la->un.lilpBde64.tus.f.bdeSize; |
953 | ||
954 | if (i == 0) { | |
955 | phba->alpa_map[0] = 0; | |
956 | } else { | |
e8b62011 | 957 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 958 | int numalpa, j, k; |
959 | union { | |
960 | uint8_t pamap[16]; | |
961 | struct { | |
962 | uint32_t wd1; | |
963 | uint32_t wd2; | |
964 | uint32_t wd3; | |
965 | uint32_t wd4; | |
966 | } pa; | |
967 | } un; | |
968 | numalpa = phba->alpa_map[0]; | |
969 | j = 0; | |
970 | while (j < numalpa) { | |
971 | memset(un.pamap, 0, 16); | |
972 | for (k = 1; j < numalpa; k++) { | |
973 | un.pamap[k - 1] = | |
974 | phba->alpa_map[j + 1]; | |
975 | j++; | |
976 | if (k == 16) | |
977 | break; | |
978 | } | |
979 | /* Link Up Event ALPA map */ | |
980 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
981 | KERN_WARNING, |
982 | LOG_LINK_EVENT, | |
e8b62011 | 983 | "1304 Link Up Event " |
92d7f7b0 JS |
984 | "ALPA map Data: x%x " |
985 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
986 | un.pa.wd1, un.pa.wd2, |
987 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 988 | } |
989 | } | |
990 | } | |
991 | } else { | |
92d7f7b0 | 992 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
858c9f6c | 993 | if (phba->max_vpi && phba->cfg_npiv_enable && |
92d7f7b0 JS |
994 | (phba->sli_rev == 3)) |
995 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
996 | } | |
2e0fef85 JS |
997 | vport->fc_myDID = phba->fc_pref_DID; |
998 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 999 | } |
92d7f7b0 | 1000 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1001 | |
1002 | lpfc_linkup(phba); | |
1003 | if (sparam_mbox) { | |
92d7f7b0 | 1004 | lpfc_read_sparam(phba, sparam_mbox, 0); |
2e0fef85 | 1005 | sparam_mbox->vport = vport; |
dea3101e | 1006 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
14691150 | 1007 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, |
92d7f7b0 | 1008 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
1009 | if (rc == MBX_NOT_FINISHED) { |
1010 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
1011 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1012 | kfree(mp); | |
1013 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
1014 | if (cfglink_mbox) | |
1015 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1016 | goto out; |
14691150 | 1017 | } |
dea3101e | 1018 | } |
1019 | ||
1020 | if (cfglink_mbox) { | |
2e0fef85 | 1021 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 1022 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 1023 | cfglink_mbox->vport = vport; |
25594c6b | 1024 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
14691150 | 1025 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, |
92d7f7b0 JS |
1026 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
1027 | if (rc != MBX_NOT_FINISHED) | |
1028 | return; | |
1029 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
dea3101e | 1030 | } |
92d7f7b0 JS |
1031 | out: |
1032 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1033 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1034 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
1035 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
1036 | lpfc_issue_clear_la(phba, vport); |
1037 | return; | |
dea3101e | 1038 | } |
1039 | ||
1040 | static void | |
2e0fef85 JS |
1041 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) |
1042 | { | |
dea3101e | 1043 | uint32_t control; |
1044 | struct lpfc_sli *psli = &phba->sli; | |
1045 | ||
1046 | lpfc_linkdown(phba); | |
1047 | ||
1048 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
2e0fef85 | 1049 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1050 | psli->sli_flag |= LPFC_PROCESS_LA; |
1051 | control = readl(phba->HCregaddr); | |
1052 | control |= HC_LAINT_ENA; | |
1053 | writel(control, phba->HCregaddr); | |
1054 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1055 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1056 | } |
1057 | ||
1058 | /* | |
1059 | * This routine handles processing a READ_LA mailbox | |
1060 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1061 | * as the completion routine when the command is | |
1062 | * handed off to the SLI layer. | |
1063 | */ | |
1064 | void | |
2e0fef85 | 1065 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1066 | { |
2e0fef85 JS |
1067 | struct lpfc_vport *vport = pmb->vport; |
1068 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1069 | READ_LA_VAR *la; |
1070 | MAILBOX_t *mb = &pmb->mb; | |
1071 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1072 | ||
1073 | /* Check for error */ | |
1074 | if (mb->mbxStatus) { | |
ed957684 | 1075 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
1076 | "1307 READ_LA mbox error x%x state x%x\n", |
1077 | mb->mbxStatus, vport->port_state); | |
dea3101e | 1078 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 1079 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1080 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
1081 | } | |
1082 | ||
1083 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
1084 | ||
1085 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
1086 | ||
2e0fef85 | 1087 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1088 | if (la->pb) |
2e0fef85 | 1089 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 1090 | else |
2e0fef85 JS |
1091 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
1092 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 1093 | |
dea3101e | 1094 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
92d7f7b0 | 1095 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 1096 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 1097 | if (la->attType == AT_LINK_UP) |
dea3101e | 1098 | if (phba->fc_eventTag != 0) |
1099 | lpfc_linkdown(phba); | |
92d7f7b0 | 1100 | } |
dea3101e | 1101 | |
1102 | phba->fc_eventTag = la->eventTag; | |
1103 | ||
1104 | if (la->attType == AT_LINK_UP) { | |
1105 | phba->fc_stat.LinkUp++; | |
2e0fef85 | 1106 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
5b8bd0c9 | 1107 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
1108 | "1306 Link Up Event in loop back mode " |
1109 | "x%x received Data: x%x x%x x%x x%x\n", | |
1110 | la->eventTag, phba->fc_eventTag, | |
1111 | la->granted_AL_PA, la->UlnkSpeed, | |
1112 | phba->alpa_map[0]); | |
5b8bd0c9 JS |
1113 | } else { |
1114 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 JS |
1115 | "1303 Link Up Event x%x received " |
1116 | "Data: x%x x%x x%x x%x\n", | |
1117 | la->eventTag, phba->fc_eventTag, | |
1118 | la->granted_AL_PA, la->UlnkSpeed, | |
1119 | phba->alpa_map[0]); | |
5b8bd0c9 | 1120 | } |
92d7f7b0 | 1121 | lpfc_mbx_process_link_up(phba, la); |
dea3101e | 1122 | } else { |
1123 | phba->fc_stat.LinkDown++; | |
1124 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 1125 | "1305 Link Down Event x%x received " |
dea3101e | 1126 | "Data: x%x x%x x%x\n", |
e8b62011 | 1127 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 1128 | phba->pport->port_state, vport->fc_flag); |
dea3101e | 1129 | lpfc_mbx_issue_link_down(phba); |
1130 | } | |
1131 | ||
1132 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
1133 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1134 | kfree(mp); | |
1135 | mempool_free(pmb, phba->mbox_mem_pool); | |
1136 | return; | |
1137 | } | |
1138 | ||
1139 | /* | |
1140 | * This routine handles processing a REG_LOGIN mailbox | |
1141 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1142 | * as the completion routine when the command is | |
1143 | * handed off to the SLI layer. | |
1144 | */ | |
1145 | void | |
2e0fef85 | 1146 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1147 | { |
2e0fef85 | 1148 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 1149 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 1150 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 1151 | |
dea3101e | 1152 | pmb->context1 = NULL; |
1153 | ||
1154 | /* Good status, call state machine */ | |
2e0fef85 | 1155 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 1156 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1157 | kfree(mp); | |
2e0fef85 | 1158 | mempool_free(pmb, phba->mbox_mem_pool); |
329f9bc7 | 1159 | lpfc_nlp_put(ndlp); |
dea3101e | 1160 | |
1161 | return; | |
1162 | } | |
1163 | ||
92d7f7b0 JS |
1164 | static void |
1165 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
1166 | { | |
1167 | MAILBOX_t *mb = &pmb->mb; | |
1168 | struct lpfc_vport *vport = pmb->vport; | |
1169 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1170 | ||
1171 | switch (mb->mbxStatus) { | |
1172 | case 0x0011: | |
1173 | case 0x0020: | |
1174 | case 0x9700: | |
e8b62011 JS |
1175 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
1176 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
1177 | mb->mbxStatus); | |
92d7f7b0 | 1178 | break; |
92d7f7b0 JS |
1179 | } |
1180 | vport->unreg_vpi_cmpl = VPORT_OK; | |
1181 | mempool_free(pmb, phba->mbox_mem_pool); | |
1182 | /* | |
1183 | * This shost reference might have been taken at the beginning of | |
1184 | * lpfc_vport_delete() | |
1185 | */ | |
1186 | if (vport->load_flag & FC_UNLOADING) | |
1187 | scsi_host_put(shost); | |
1188 | } | |
1189 | ||
1190 | void | |
1191 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) | |
1192 | { | |
1193 | struct lpfc_hba *phba = vport->phba; | |
1194 | LPFC_MBOXQ_t *mbox; | |
1195 | int rc; | |
1196 | ||
1197 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1198 | if (!mbox) | |
1199 | return; | |
1200 | ||
1201 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
1202 | mbox->vport = vport; | |
1203 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
1204 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1205 | if (rc == MBX_NOT_FINISHED) { | |
e8b62011 JS |
1206 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
1207 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
1208 | mempool_free(mbox, phba->mbox_mem_pool); |
1209 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | static void | |
1214 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
1215 | { | |
1216 | struct lpfc_vport *vport = pmb->vport; | |
1217 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1218 | MAILBOX_t *mb = &pmb->mb; | |
1219 | ||
1220 | switch (mb->mbxStatus) { | |
1221 | case 0x0011: | |
1222 | case 0x9601: | |
1223 | case 0x9602: | |
e8b62011 JS |
1224 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
1225 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
1226 | mb->mbxStatus); | |
92d7f7b0 JS |
1227 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
1228 | spin_lock_irq(shost->host_lock); | |
1229 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1230 | spin_unlock_irq(shost->host_lock); | |
1231 | vport->fc_myDID = 0; | |
1232 | goto out; | |
1233 | } | |
92d7f7b0 JS |
1234 | |
1235 | vport->num_disc_nodes = 0; | |
1236 | /* go thru NPR list and issue ELS PLOGIs */ | |
1237 | if (vport->fc_npr_cnt) | |
1238 | lpfc_els_disc_plogi(vport); | |
1239 | ||
1240 | if (!vport->num_disc_nodes) { | |
1241 | spin_lock_irq(shost->host_lock); | |
1242 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1243 | spin_unlock_irq(shost->host_lock); | |
1244 | lpfc_can_disctmo(vport); | |
1245 | } | |
1246 | vport->port_state = LPFC_VPORT_READY; | |
1247 | ||
1248 | out: | |
1249 | mempool_free(pmb, phba->mbox_mem_pool); | |
1250 | return; | |
1251 | } | |
1252 | ||
dea3101e | 1253 | /* |
1254 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
1255 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1256 | * as the completion routine when the command is | |
1257 | * handed off to the SLI layer. | |
1258 | */ | |
1259 | void | |
2e0fef85 | 1260 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1261 | { |
92d7f7b0 | 1262 | struct lpfc_vport *vport = pmb->vport; |
2e0fef85 JS |
1263 | MAILBOX_t *mb = &pmb->mb; |
1264 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
92d7f7b0 | 1265 | struct lpfc_nodelist *ndlp; |
549e55cd JS |
1266 | struct lpfc_vport **vports; |
1267 | int i; | |
dea3101e | 1268 | |
549e55cd | 1269 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
1270 | pmb->context1 = NULL; |
1271 | pmb->context2 = NULL; | |
dea3101e | 1272 | if (mb->mbxStatus) { |
1273 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1274 | kfree(mp); | |
329f9bc7 JS |
1275 | mempool_free(pmb, phba->mbox_mem_pool); |
1276 | lpfc_nlp_put(ndlp); | |
dea3101e | 1277 | |
92d7f7b0 JS |
1278 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1279 | /* FLOGI failed, use loop map to make discovery list */ | |
1280 | lpfc_disc_list_loopmap(vport); | |
1281 | ||
1282 | /* Start discovery */ | |
1283 | lpfc_disc_start(vport); | |
1284 | return; | |
1285 | } | |
1286 | ||
1287 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1288 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1289 | "0258 Register Fabric login error: 0x%x\n", | |
1290 | mb->mbxStatus); | |
dea3101e | 1291 | return; |
1292 | } | |
1293 | ||
dea3101e | 1294 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1295 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 1296 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1297 | |
329f9bc7 JS |
1298 | lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */ |
1299 | ||
2e0fef85 | 1300 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
549e55cd JS |
1301 | vports = lpfc_create_vport_work_array(phba); |
1302 | if (vports != NULL) | |
1303 | for(i = 0; | |
1304 | i < LPFC_MAX_VPORTS && vports[i] != NULL; | |
1305 | i++) { | |
1306 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
1307 | continue; | |
1308 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) | |
1309 | lpfc_initial_fdisc(vports[i]); | |
1310 | else if (phba->sli3_options & | |
1311 | LPFC_SLI3_NPIV_ENABLED) { | |
1312 | lpfc_vport_set_state(vports[i], | |
1313 | FC_VPORT_NO_FABRIC_SUPP); | |
e8b62011 JS |
1314 | lpfc_printf_vlog(vport, KERN_ERR, |
1315 | LOG_ELS, | |
1316 | "0259 No NPIV " | |
1317 | "Fabric support\n"); | |
549e55cd | 1318 | } |
dea3101e | 1319 | } |
549e55cd | 1320 | lpfc_destroy_vport_work_array(vports); |
92d7f7b0 | 1321 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 1322 | } |
1323 | ||
1324 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1325 | kfree(mp); | |
329f9bc7 | 1326 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1327 | return; |
1328 | } | |
1329 | ||
1330 | /* | |
1331 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
1332 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1333 | * as the completion routine when the command is | |
1334 | * handed off to the SLI layer. | |
1335 | */ | |
1336 | void | |
2e0fef85 | 1337 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1338 | { |
2e0fef85 JS |
1339 | MAILBOX_t *mb = &pmb->mb; |
1340 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1341 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
1342 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 1343 | |
1344 | if (mb->mbxStatus) { | |
92d7f7b0 | 1345 | out: |
329f9bc7 | 1346 | lpfc_nlp_put(ndlp); |
dea3101e | 1347 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1348 | kfree(mp); | |
de0c5b32 | 1349 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 | 1350 | lpfc_drop_node(vport, ndlp); |
dea3101e | 1351 | |
92d7f7b0 JS |
1352 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1353 | /* | |
1354 | * RegLogin failed, use loop map to make discovery | |
1355 | * list | |
1356 | */ | |
1357 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 1358 | |
92d7f7b0 JS |
1359 | /* Start discovery */ |
1360 | lpfc_disc_start(vport); | |
1361 | return; | |
1362 | } | |
1363 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1364 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1365 | "0260 Register NameServer error: 0x%x\n", | |
1366 | mb->mbxStatus); | |
dea3101e | 1367 | return; |
1368 | } | |
1369 | ||
1370 | pmb->context1 = NULL; | |
1371 | ||
dea3101e | 1372 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1373 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 1374 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1375 | |
2e0fef85 JS |
1376 | if (vport->port_state < LPFC_VPORT_READY) { |
1377 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
1378 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
1379 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
1380 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
1381 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
1382 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
1383 | ||
1384 | /* Issue SCR just before NameServer GID_FT Query */ | |
1385 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 1386 | } |
1387 | ||
2e0fef85 | 1388 | vport->fc_ns_retry = 0; |
dea3101e | 1389 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 1390 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 1391 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 1392 | goto out; |
dea3101e | 1393 | } |
1394 | ||
329f9bc7 | 1395 | lpfc_nlp_put(ndlp); |
dea3101e | 1396 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1397 | kfree(mp); | |
2e0fef85 | 1398 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1399 | |
1400 | return; | |
1401 | } | |
1402 | ||
1403 | static void | |
2e0fef85 | 1404 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1405 | { |
2e0fef85 JS |
1406 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1407 | struct fc_rport *rport; | |
dea3101e | 1408 | struct lpfc_rport_data *rdata; |
1409 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 1410 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1411 | |
1412 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
1413 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
1414 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 1415 | rport_ids.port_id = ndlp->nlp_DID; |
1416 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 1417 | |
329f9bc7 JS |
1418 | /* |
1419 | * We leave our node pointer in rport->dd_data when we unregister a | |
1420 | * FCP target port. But fc_remote_port_add zeros the space to which | |
1421 | * rport->dd_data points. So, if we're reusing a previously | |
1422 | * registered port, drop the reference that we took the last time we | |
1423 | * registered the port. | |
1424 | */ | |
1425 | if (ndlp->rport && ndlp->rport->dd_data && | |
92d7f7b0 | 1426 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) { |
329f9bc7 JS |
1427 | lpfc_nlp_put(ndlp); |
1428 | } | |
858c9f6c JS |
1429 | |
1430 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
1431 | "rport add: did:x%x flg:x%x type x%x", | |
1432 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
1433 | ||
2e0fef85 | 1434 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 1435 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 1436 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
1437 | "Warning: fc_remote_port_add failed\n"); | |
1438 | return; | |
1439 | } | |
1440 | ||
1441 | /* initialize static port data */ | |
1442 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1443 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 1444 | rdata = rport->dd_data; |
329f9bc7 | 1445 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
1446 | |
1447 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1448 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1449 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1450 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1451 | ||
1452 | ||
1453 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
1454 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
1455 | ||
071fbd3d | 1456 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 1457 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
1458 | ndlp->nlp_sid = rport->scsi_target_id; |
1459 | } | |
19a7b4ae JSEC |
1460 | return; |
1461 | } | |
1462 | ||
1463 | static void | |
2e0fef85 | 1464 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
1465 | { |
1466 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 1467 | |
858c9f6c JS |
1468 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
1469 | "rport delete: did:x%x flg:x%x type x%x", | |
1470 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
1471 | ||
19a7b4ae | 1472 | fc_remote_port_delete(rport); |
dea3101e | 1473 | |
1474 | return; | |
1475 | } | |
1476 | ||
de0c5b32 | 1477 | static void |
2e0fef85 | 1478 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 1479 | { |
2e0fef85 JS |
1480 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1481 | ||
1482 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
1483 | switch (state) { |
1484 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 1485 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
1486 | break; |
1487 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 1488 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
1489 | break; |
1490 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 1491 | vport->fc_adisc_cnt += count; |
dea3101e | 1492 | break; |
de0c5b32 | 1493 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 1494 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
1495 | break; |
1496 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 1497 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
1498 | break; |
1499 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 1500 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
1501 | break; |
1502 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 1503 | vport->fc_map_cnt += count; |
de0c5b32 JS |
1504 | break; |
1505 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 1506 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
1507 | break; |
1508 | } | |
2e0fef85 | 1509 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 1510 | } |
66a9ed66 | 1511 | |
de0c5b32 | 1512 | static void |
2e0fef85 | 1513 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
1514 | int old_state, int new_state) |
1515 | { | |
2e0fef85 JS |
1516 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1517 | ||
de0c5b32 JS |
1518 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
1519 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1520 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1521 | ndlp->nlp_type |= NLP_FC_NODE; | |
1522 | } | |
1523 | if (new_state == NLP_STE_MAPPED_NODE) | |
1524 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1525 | if (new_state == NLP_STE_NPR_NODE) | |
1526 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
1527 | ||
1528 | /* Transport interface */ | |
1529 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
1530 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
1531 | vport->phba->nport_event_cnt++; |
1532 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 1533 | } |
dea3101e | 1534 | |
de0c5b32 JS |
1535 | if (new_state == NLP_STE_MAPPED_NODE || |
1536 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 1537 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
1538 | /* |
1539 | * Tell the fc transport about the port, if we haven't | |
1540 | * already. If we have, and it's a scsi entity, be | |
1541 | * sure to unblock any attached scsi devices | |
1542 | */ | |
1543 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 1544 | } |
858c9f6c JS |
1545 | /* |
1546 | * if we added to Mapped list, but the remote port | |
1547 | * registration failed or assigned a target id outside | |
1548 | * our presentable range - move the node to the | |
1549 | * Unmapped List | |
1550 | */ | |
de0c5b32 JS |
1551 | if (new_state == NLP_STE_MAPPED_NODE && |
1552 | (!ndlp->rport || | |
1553 | ndlp->rport->scsi_target_id == -1 || | |
1554 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 1555 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 1556 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
1557 | spin_unlock_irq(shost->host_lock); |
1558 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 1559 | } |
de0c5b32 JS |
1560 | } |
1561 | ||
685f0bf7 JS |
1562 | static char * |
1563 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
1564 | { | |
1565 | static char *states[] = { | |
1566 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
1567 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
1568 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
1569 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
1570 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
1571 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
1572 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
1573 | [NLP_STE_NPR_NODE] = "NPR", | |
1574 | }; | |
1575 | ||
1576 | if (state < ARRAY_SIZE(states) && states[state]) | |
1577 | strlcpy(buffer, states[state], size); | |
1578 | else | |
1579 | snprintf(buffer, size, "unknown (%d)", state); | |
1580 | return buffer; | |
1581 | } | |
1582 | ||
de0c5b32 | 1583 | void |
2e0fef85 JS |
1584 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1585 | int state) | |
de0c5b32 | 1586 | { |
2e0fef85 | 1587 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 1588 | int old_state = ndlp->nlp_state; |
685f0bf7 | 1589 | char name1[16], name2[16]; |
de0c5b32 | 1590 | |
e8b62011 JS |
1591 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
1592 | "0904 NPort state transition x%06x, %s -> %s\n", | |
1593 | ndlp->nlp_DID, | |
1594 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
1595 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
1596 | |
1597 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
1598 | "node statechg did:x%x old:%d ste:%d", | |
1599 | ndlp->nlp_DID, old_state, state); | |
1600 | ||
de0c5b32 JS |
1601 | if (old_state == NLP_STE_NPR_NODE && |
1602 | (ndlp->nlp_flag & NLP_DELAY_TMO) != 0 && | |
1603 | state != NLP_STE_NPR_NODE) | |
2e0fef85 | 1604 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
1605 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
1606 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
1607 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
1608 | } | |
1609 | ||
685f0bf7 | 1610 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
1611 | spin_lock_irq(shost->host_lock); |
1612 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
1613 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 1614 | } else if (old_state) |
2e0fef85 | 1615 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
1616 | |
1617 | ndlp->nlp_state = state; | |
2e0fef85 JS |
1618 | lpfc_nlp_counters(vport, state, 1); |
1619 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
1620 | } |
1621 | ||
1622 | void | |
2e0fef85 | 1623 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1624 | { |
2e0fef85 JS |
1625 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1626 | ||
de0c5b32 | 1627 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1628 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1629 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1630 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1631 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1632 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 1633 | spin_unlock_irq(shost->host_lock); |
858c9f6c JS |
1634 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
1635 | NLP_STE_UNUSED_NODE); | |
de0c5b32 JS |
1636 | } |
1637 | ||
1638 | void | |
2e0fef85 | 1639 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1640 | { |
2e0fef85 JS |
1641 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1642 | ||
de0c5b32 | 1643 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1644 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1645 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1646 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1647 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1648 | list_del_init(&ndlp->nlp_listp); |
858c9f6c | 1649 | ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; |
2e0fef85 | 1650 | spin_unlock_irq(shost->host_lock); |
329f9bc7 | 1651 | lpfc_nlp_put(ndlp); |
dea3101e | 1652 | } |
1653 | ||
1654 | /* | |
1655 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
1656 | */ | |
1657 | void | |
2e0fef85 | 1658 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 1659 | { |
2e0fef85 JS |
1660 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1661 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1662 | uint32_t tmo; |
1663 | ||
2e0fef85 | 1664 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
c9f8735b JW |
1665 | /* For FAN, timeout should be greater then edtov */ |
1666 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); | |
1667 | } else { | |
1668 | /* Normal discovery timeout should be > then ELS/CT timeout | |
1669 | * FC spec states we need 3 * ratov for CT requests | |
1670 | */ | |
1671 | tmo = ((phba->fc_ratov * 3) + 3); | |
1672 | } | |
dea3101e | 1673 | |
858c9f6c JS |
1674 | |
1675 | if (!timer_pending(&vport->fc_disctmo)) { | |
1676 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
1677 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
1678 | tmo, vport->port_state, vport->fc_flag); | |
1679 | } | |
1680 | ||
2e0fef85 JS |
1681 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
1682 | spin_lock_irq(shost->host_lock); | |
1683 | vport->fc_flag |= FC_DISC_TMO; | |
1684 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1685 | |
1686 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
1687 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1688 | "0247 Start Discovery Timer state x%x " | |
1689 | "Data: x%x x%lx x%x x%x\n", | |
1690 | vport->port_state, tmo, | |
1691 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
1692 | vport->fc_adisc_cnt); | |
dea3101e | 1693 | |
1694 | return; | |
1695 | } | |
1696 | ||
1697 | /* | |
1698 | * Cancel rescue timer for Discovery / RSCN handling | |
1699 | */ | |
1700 | int | |
2e0fef85 | 1701 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 1702 | { |
2e0fef85 | 1703 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
1704 | unsigned long iflags; |
1705 | ||
858c9f6c JS |
1706 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1707 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
1708 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
1709 | ||
dea3101e | 1710 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
1711 | if (vport->fc_flag & FC_DISC_TMO) { |
1712 | spin_lock_irqsave(shost->host_lock, iflags); | |
1713 | vport->fc_flag &= ~FC_DISC_TMO; | |
1714 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
1715 | del_timer_sync(&vport->fc_disctmo); | |
1716 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
1717 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
1718 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 1719 | } |
1720 | ||
1721 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
1722 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1723 | "0248 Cancel Discovery Timer state x%x " | |
1724 | "Data: x%x x%x x%x\n", | |
1725 | vport->port_state, vport->fc_flag, | |
1726 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 1727 | return 0; |
dea3101e | 1728 | } |
1729 | ||
1730 | /* | |
1731 | * Check specified ring for outstanding IOCB on the SLI queue | |
1732 | * Return true if iocb matches the specified nport | |
1733 | */ | |
1734 | int | |
2e0fef85 JS |
1735 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
1736 | struct lpfc_sli_ring *pring, | |
1737 | struct lpfc_iocbq *iocb, | |
1738 | struct lpfc_nodelist *ndlp) | |
dea3101e | 1739 | { |
2e0fef85 JS |
1740 | struct lpfc_sli *psli = &phba->sli; |
1741 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
1742 | struct lpfc_vport *vport = ndlp->vport; |
1743 | ||
1744 | if (iocb->vport != vport) | |
1745 | return 0; | |
1746 | ||
dea3101e | 1747 | if (pring->ringno == LPFC_ELS_RING) { |
1748 | switch (icmd->ulpCommand) { | |
1749 | case CMD_GEN_REQUEST64_CR: | |
1750 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) | |
2fe165b6 | 1751 | return 1; |
dea3101e | 1752 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
1753 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
1754 | return 1; | |
dea3101e | 1755 | case CMD_XMIT_ELS_RSP64_CX: |
1756 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 1757 | return 1; |
dea3101e | 1758 | } |
a4bc3379 | 1759 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 1760 | |
1761 | } else if (pring->ringno == psli->fcp_ring) { | |
1762 | /* Skip match check if waiting to relogin to FCP target */ | |
1763 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 1764 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 1765 | return 0; |
dea3101e | 1766 | } |
1767 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 1768 | return 1; |
dea3101e | 1769 | } |
1770 | } else if (pring->ringno == psli->next_ring) { | |
1771 | ||
1772 | } | |
2fe165b6 | 1773 | return 0; |
dea3101e | 1774 | } |
1775 | ||
1776 | /* | |
1777 | * Free resources / clean up outstanding I/Os | |
1778 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
1779 | */ | |
1780 | static int | |
2e0fef85 | 1781 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 1782 | { |
2534ba75 | 1783 | LIST_HEAD(completions); |
dea3101e | 1784 | struct lpfc_sli *psli; |
1785 | struct lpfc_sli_ring *pring; | |
1786 | struct lpfc_iocbq *iocb, *next_iocb; | |
1787 | IOCB_t *icmd; | |
1788 | uint32_t rpi, i; | |
1789 | ||
92d7f7b0 JS |
1790 | lpfc_fabric_abort_nport(ndlp); |
1791 | ||
dea3101e | 1792 | /* |
1793 | * Everything that matches on txcmplq will be returned | |
1794 | * by firmware with a no rpi error. | |
1795 | */ | |
1796 | psli = &phba->sli; | |
1797 | rpi = ndlp->nlp_rpi; | |
1798 | if (rpi) { | |
1799 | /* Now process each ring */ | |
1800 | for (i = 0; i < psli->num_rings; i++) { | |
1801 | pring = &psli->ring[i]; | |
1802 | ||
2e0fef85 | 1803 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1804 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 1805 | list) { |
dea3101e | 1806 | /* |
1807 | * Check to see if iocb matches the nport we are | |
1808 | * looking for | |
1809 | */ | |
92d7f7b0 JS |
1810 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
1811 | ndlp))) { | |
dea3101e | 1812 | /* It matches, so deque and call compl |
1813 | with an error */ | |
2534ba75 JS |
1814 | list_move_tail(&iocb->list, |
1815 | &completions); | |
dea3101e | 1816 | pring->txq_cnt--; |
dea3101e | 1817 | } |
1818 | } | |
2e0fef85 | 1819 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1820 | } |
1821 | } | |
2534ba75 JS |
1822 | |
1823 | while (!list_empty(&completions)) { | |
1824 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
92d7f7b0 | 1825 | list_del_init(&iocb->list); |
2534ba75 | 1826 | |
2e0fef85 JS |
1827 | if (!iocb->iocb_cmpl) |
1828 | lpfc_sli_release_iocbq(phba, iocb); | |
1829 | else { | |
2534ba75 JS |
1830 | icmd = &iocb->iocb; |
1831 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1832 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2e0fef85 JS |
1833 | (iocb->iocb_cmpl)(phba, iocb, iocb); |
1834 | } | |
2534ba75 JS |
1835 | } |
1836 | ||
2fe165b6 | 1837 | return 0; |
dea3101e | 1838 | } |
1839 | ||
1840 | /* | |
1841 | * Free rpi associated with LPFC_NODELIST entry. | |
1842 | * This routine is called from lpfc_freenode(), when we are removing | |
1843 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1844 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1845 | * to the remote NPort. In addition, it is called after we receive | |
1846 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1847 | * we are waiting to PLOGI back to the remote NPort. | |
1848 | */ | |
1849 | int | |
2e0fef85 | 1850 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1851 | { |
2e0fef85 JS |
1852 | struct lpfc_hba *phba = vport->phba; |
1853 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 1854 | int rc; |
1855 | ||
1856 | if (ndlp->nlp_rpi) { | |
2e0fef85 JS |
1857 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1858 | if (mbox) { | |
92d7f7b0 | 1859 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 1860 | mbox->vport = vport; |
92d7f7b0 JS |
1861 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1862 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1863 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
dea3101e | 1864 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 1865 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 1866 | } |
dea3101e | 1867 | lpfc_no_rpi(phba, ndlp); |
1868 | ndlp->nlp_rpi = 0; | |
1869 | return 1; | |
1870 | } | |
1871 | return 0; | |
1872 | } | |
1873 | ||
92d7f7b0 JS |
1874 | void |
1875 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
1876 | { | |
1877 | struct lpfc_hba *phba = vport->phba; | |
1878 | LPFC_MBOXQ_t *mbox; | |
1879 | int rc; | |
1880 | ||
1881 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1882 | if (mbox) { | |
1883 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
1884 | mbox->vport = vport; | |
1885 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1886 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1887 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1888 | if (rc == MBX_NOT_FINISHED) { | |
1889 | mempool_free(mbox, phba->mbox_mem_pool); | |
1890 | } | |
1891 | } | |
1892 | } | |
1893 | ||
1894 | void | |
1895 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
1896 | { | |
1897 | struct lpfc_hba *phba = vport->phba; | |
1898 | LPFC_MBOXQ_t *mbox; | |
1899 | int rc; | |
1900 | ||
1901 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1902 | if (mbox) { | |
1903 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
1904 | mbox->vport = vport; | |
1905 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1906 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1907 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1908 | if (rc == MBX_NOT_FINISHED) { | |
e8b62011 JS |
1909 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
1910 | "1815 Could not issue " | |
1911 | "unreg_did (default rpis)\n"); | |
92d7f7b0 JS |
1912 | mempool_free(mbox, phba->mbox_mem_pool); |
1913 | } | |
1914 | } | |
1915 | } | |
1916 | ||
dea3101e | 1917 | /* |
1918 | * Free resources associated with LPFC_NODELIST entry | |
1919 | * so it can be freed. | |
1920 | */ | |
1921 | static int | |
2e0fef85 | 1922 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1923 | { |
2e0fef85 JS |
1924 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1925 | struct lpfc_hba *phba = vport->phba; | |
1926 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 1927 | struct lpfc_dmabuf *mp; |
dea3101e | 1928 | |
1929 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
1930 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
1931 | "0900 Cleanup node for NPort x%x " | |
1932 | "Data: x%x x%x x%x\n", | |
1933 | ndlp->nlp_DID, ndlp->nlp_flag, | |
1934 | ndlp->nlp_state, ndlp->nlp_rpi); | |
2e0fef85 | 1935 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 1936 | |
dea3101e | 1937 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1938 | if ((mb = phba->sli.mbox_active)) { | |
1939 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1940 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1941 | mb->context2 = NULL; | |
1942 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1943 | } | |
1944 | } | |
33ccf8d1 | 1945 | |
2e0fef85 | 1946 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1947 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1948 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
92d7f7b0 | 1949 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 1950 | mp = (struct lpfc_dmabuf *) (mb->context1); |
1951 | if (mp) { | |
2e0fef85 | 1952 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1953 | kfree(mp); |
1954 | } | |
1955 | list_del(&mb->list); | |
1956 | mempool_free(mb, phba->mbox_mem_pool); | |
329f9bc7 | 1957 | lpfc_nlp_put(ndlp); |
dea3101e | 1958 | } |
1959 | } | |
2e0fef85 | 1960 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1961 | |
07951076 | 1962 | lpfc_els_abort(phba,ndlp); |
2e0fef85 | 1963 | spin_lock_irq(shost->host_lock); |
c01f3208 | 1964 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1965 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1966 | |
5024ab17 | 1967 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 1968 | del_timer_sync(&ndlp->nlp_delayfunc); |
1969 | ||
dea3101e | 1970 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
1971 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
92d7f7b0 JS |
1972 | if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) |
1973 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 1974 | |
858c9f6c JS |
1975 | if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) { |
1976 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
1977 | complete((struct completion *)(ndlp->dev_loss_evt.evt_arg2)); | |
1978 | } | |
1979 | ||
2e0fef85 | 1980 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1981 | |
2fe165b6 | 1982 | return 0; |
dea3101e | 1983 | } |
1984 | ||
1985 | /* | |
1986 | * Check to see if we can free the nlp back to the freelist. | |
1987 | * If we are in the middle of using the nlp in the discovery state | |
1988 | * machine, defer the free till we reach the end of the state machine. | |
1989 | */ | |
329f9bc7 | 1990 | static void |
2e0fef85 | 1991 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1992 | { |
1dcb58e5 | 1993 | struct lpfc_rport_data *rdata; |
dea3101e | 1994 | |
1995 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
2e0fef85 | 1996 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 1997 | } |
1998 | ||
2e0fef85 | 1999 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 2000 | |
2e0fef85 | 2001 | /* |
92d7f7b0 JS |
2002 | * We can get here with a non-NULL ndlp->rport because when we |
2003 | * unregister a rport we don't break the rport/node linkage. So if we | |
2004 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 2005 | */ |
92d7f7b0 | 2006 | if (ndlp->rport) { |
329f9bc7 JS |
2007 | rdata = ndlp->rport->dd_data; |
2008 | rdata->pnode = NULL; | |
2009 | ndlp->rport = NULL; | |
dea3101e | 2010 | } |
dea3101e | 2011 | } |
2012 | ||
2013 | static int | |
2e0fef85 JS |
2014 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2015 | uint32_t did) | |
dea3101e | 2016 | { |
2e0fef85 | 2017 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 2018 | |
2019 | if (did == Bcast_DID) | |
2fe165b6 | 2020 | return 0; |
dea3101e | 2021 | |
2022 | if (ndlp->nlp_DID == 0) { | |
2fe165b6 | 2023 | return 0; |
dea3101e | 2024 | } |
2025 | ||
2026 | /* First check for Direct match */ | |
2027 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 2028 | return 1; |
dea3101e | 2029 | |
2030 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 2031 | mydid.un.word = vport->fc_myDID; |
dea3101e | 2032 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 2033 | return 0; |
dea3101e | 2034 | } |
2035 | ||
2036 | matchdid.un.word = did; | |
2037 | ndlpdid.un.word = ndlp->nlp_DID; | |
2038 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
2039 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
2040 | (mydid.un.b.area == matchdid.un.b.area)) { | |
2041 | if ((ndlpdid.un.b.domain == 0) && | |
2042 | (ndlpdid.un.b.area == 0)) { | |
2043 | if (ndlpdid.un.b.id) | |
2fe165b6 | 2044 | return 1; |
dea3101e | 2045 | } |
2fe165b6 | 2046 | return 0; |
dea3101e | 2047 | } |
2048 | ||
2049 | matchdid.un.word = ndlp->nlp_DID; | |
2050 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
2051 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
2052 | if ((matchdid.un.b.domain == 0) && | |
2053 | (matchdid.un.b.area == 0)) { | |
2054 | if (matchdid.un.b.id) | |
2fe165b6 | 2055 | return 1; |
dea3101e | 2056 | } |
2057 | } | |
2058 | } | |
2fe165b6 | 2059 | return 0; |
dea3101e | 2060 | } |
2061 | ||
685f0bf7 | 2062 | /* Search for a nodelist entry */ |
2e0fef85 JS |
2063 | static struct lpfc_nodelist * |
2064 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 2065 | { |
2fb9bd8b | 2066 | struct lpfc_nodelist *ndlp; |
dea3101e | 2067 | uint32_t data1; |
2068 | ||
2e0fef85 JS |
2069 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
2070 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
2071 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
2072 | ((uint32_t) ndlp->nlp_xri << 16) | | |
2073 | ((uint32_t) ndlp->nlp_type << 8) | | |
2074 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
2075 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2076 | "0929 FIND node DID " | |
2077 | "Data: x%p x%x x%x x%x\n", | |
2078 | ndlp, ndlp->nlp_DID, | |
2079 | ndlp->nlp_flag, data1); | |
685f0bf7 | 2080 | return ndlp; |
dea3101e | 2081 | } |
2082 | } | |
66a9ed66 | 2083 | |
dea3101e | 2084 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
2085 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2086 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 2087 | return NULL; |
2088 | } | |
2089 | ||
2090 | struct lpfc_nodelist * | |
2e0fef85 JS |
2091 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
2092 | { | |
2093 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2094 | struct lpfc_nodelist *ndlp; | |
2095 | ||
2096 | spin_lock_irq(shost->host_lock); | |
2097 | ndlp = __lpfc_findnode_did(vport, did); | |
2098 | spin_unlock_irq(shost->host_lock); | |
2099 | return ndlp; | |
2100 | } | |
2101 | ||
2102 | struct lpfc_nodelist * | |
2103 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 2104 | { |
2e0fef85 | 2105 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2106 | struct lpfc_nodelist *ndlp; |
dea3101e | 2107 | |
2e0fef85 | 2108 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 2109 | if (!ndlp) { |
2e0fef85 JS |
2110 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
2111 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 2112 | return NULL; |
2113 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 2114 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 2115 | if (!ndlp) |
2116 | return NULL; | |
2e0fef85 JS |
2117 | lpfc_nlp_init(vport, ndlp, did); |
2118 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
2119 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2120 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2121 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2122 | return ndlp; |
2123 | } | |
2e0fef85 JS |
2124 | if (vport->fc_flag & FC_RSCN_MODE) { |
2125 | if (lpfc_rscn_payload_check(vport, did)) { | |
2126 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2127 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2128 | spin_unlock_irq(shost->host_lock); |
c9f8735b JW |
2129 | |
2130 | /* Since this node is marked for discovery, | |
2131 | * delay timeout is not needed. | |
2132 | */ | |
fdcebe28 | 2133 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2e0fef85 | 2134 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
071fbd3d | 2135 | } else |
dea3101e | 2136 | ndlp = NULL; |
2fe165b6 | 2137 | } else { |
685f0bf7 JS |
2138 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
2139 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) | |
dea3101e | 2140 | return NULL; |
2e0fef85 JS |
2141 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2142 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2143 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2144 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2145 | } |
2146 | return ndlp; | |
2147 | } | |
2148 | ||
2149 | /* Build a list of nodes to discover based on the loopmap */ | |
2150 | void | |
2e0fef85 | 2151 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 2152 | { |
2e0fef85 | 2153 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2154 | int j; |
2155 | uint32_t alpa, index; | |
2156 | ||
2e0fef85 | 2157 | if (!lpfc_is_link_up(phba)) |
dea3101e | 2158 | return; |
2e0fef85 JS |
2159 | |
2160 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 2161 | return; |
dea3101e | 2162 | |
2163 | /* Check for loop map present or not */ | |
2164 | if (phba->alpa_map[0]) { | |
2165 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
2166 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 2167 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 2168 | continue; |
2e0fef85 | 2169 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 2170 | } |
2171 | } else { | |
2172 | /* No alpamap, so try all alpa's */ | |
2173 | for (j = 0; j < FC_MAXLOOP; j++) { | |
2174 | /* If cfg_scan_down is set, start from highest | |
2175 | * ALPA (0xef) to lowest (0x1). | |
2176 | */ | |
3de2a653 | 2177 | if (vport->cfg_scan_down) |
dea3101e | 2178 | index = j; |
2179 | else | |
2180 | index = FC_MAXLOOP - j - 1; | |
2181 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 2182 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 2183 | continue; |
2e0fef85 | 2184 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 2185 | } |
2186 | } | |
2187 | return; | |
2188 | } | |
2189 | ||
dea3101e | 2190 | void |
2e0fef85 | 2191 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 2192 | { |
dea3101e | 2193 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
2194 | struct lpfc_sli *psli = &phba->sli; |
2195 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
2196 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
2197 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
2198 | int rc; | |
2199 | ||
92d7f7b0 JS |
2200 | /* |
2201 | * if it's not a physical port or if we already send | |
2202 | * clear_la then don't send it. | |
2203 | */ | |
2204 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
2205 | (vport->port_type != LPFC_PHYSICAL_PORT)) | |
2206 | return; | |
2207 | ||
2e0fef85 JS |
2208 | /* Link up discovery */ |
2209 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
2210 | phba->link_state = LPFC_CLEAR_LA; | |
2211 | lpfc_clear_la(phba, mbox); | |
2212 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2213 | mbox->vport = vport; | |
2214 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | | |
2215 | MBX_STOP_IOCB)); | |
2216 | if (rc == MBX_NOT_FINISHED) { | |
2217 | mempool_free(mbox, phba->mbox_mem_pool); | |
2218 | lpfc_disc_flush_list(vport); | |
2219 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2220 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2221 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
2222 | phba->link_state = LPFC_HBA_ERROR; |
2223 | } | |
2224 | } | |
2225 | } | |
2226 | ||
2227 | /* Reg_vpi to tell firmware to resume normal operations */ | |
2228 | void | |
2229 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
2230 | { | |
2231 | LPFC_MBOXQ_t *regvpimbox; | |
2232 | ||
2233 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2234 | if (regvpimbox) { | |
2235 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, regvpimbox); | |
2236 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; | |
2237 | regvpimbox->vport = vport; | |
2238 | if (lpfc_sli_issue_mbox(phba, regvpimbox, | |
2239 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
2240 | == MBX_NOT_FINISHED) { | |
2241 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
2242 | } |
2243 | } | |
2244 | } | |
2245 | ||
2246 | /* Start Link up / RSCN discovery on NPR nodes */ | |
2247 | void | |
2248 | lpfc_disc_start(struct lpfc_vport *vport) | |
2249 | { | |
2250 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2251 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 2252 | uint32_t num_sent; |
dea3101e | 2253 | uint32_t clear_la_pending; |
685f0bf7 | 2254 | int did_changed; |
dea3101e | 2255 | |
2e0fef85 | 2256 | if (!lpfc_is_link_up(phba)) |
dea3101e | 2257 | return; |
2e0fef85 JS |
2258 | |
2259 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 2260 | clear_la_pending = 1; |
2261 | else | |
2262 | clear_la_pending = 0; | |
2263 | ||
2e0fef85 JS |
2264 | if (vport->port_state < LPFC_VPORT_READY) |
2265 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 2266 | |
2e0fef85 JS |
2267 | lpfc_set_disctmo(vport); |
2268 | ||
2269 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 2270 | did_changed = 0; |
2e0fef85 | 2271 | else |
dea3101e | 2272 | did_changed = 1; |
2e0fef85 JS |
2273 | |
2274 | vport->fc_prevDID = vport->fc_myDID; | |
2275 | vport->num_disc_nodes = 0; | |
dea3101e | 2276 | |
2277 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
2278 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2279 | "0202 Start Discovery hba state x%x " | |
2280 | "Data: x%x x%x x%x\n", | |
2281 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
2282 | vport->fc_adisc_cnt); | |
dea3101e | 2283 | |
2284 | /* First do ADISCs - if any */ | |
2e0fef85 | 2285 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 2286 | |
2287 | if (num_sent) | |
2288 | return; | |
2289 | ||
92d7f7b0 JS |
2290 | /* |
2291 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
2292 | * continue discovery. | |
2293 | */ | |
2294 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
2295 | !(vport->fc_flag & FC_RSCN_MODE)) { | |
2296 | lpfc_issue_reg_vpi(phba, vport); | |
2297 | return; | |
2298 | } | |
2299 | ||
2300 | /* | |
2301 | * For SLI2, we need to set port_state to READY and continue | |
2302 | * discovery. | |
2303 | */ | |
2e0fef85 | 2304 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 2305 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 2306 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 2307 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 2308 | |
92d7f7b0 | 2309 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
2310 | vport->num_disc_nodes = 0; |
2311 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
2312 | if (vport->fc_npr_cnt) | |
2313 | lpfc_els_disc_plogi(vport); | |
2314 | ||
2315 | if (!vport->num_disc_nodes) { | |
2316 | spin_lock_irq(shost->host_lock); | |
2317 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2318 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 2319 | lpfc_can_disctmo(vport); |
dea3101e | 2320 | } |
2321 | } | |
92d7f7b0 | 2322 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2323 | } else { |
2324 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 2325 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 2326 | |
2327 | if (num_sent) | |
2328 | return; | |
2329 | ||
2e0fef85 | 2330 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 2331 | /* Check to see if more RSCNs came in while we |
2332 | * were processing this one. | |
2333 | */ | |
2e0fef85 JS |
2334 | if ((vport->fc_rscn_id_cnt == 0) && |
2335 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
2336 | spin_lock_irq(shost->host_lock); | |
2337 | vport->fc_flag &= ~FC_RSCN_MODE; | |
2338 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 2339 | lpfc_can_disctmo(vport); |
2fe165b6 | 2340 | } else |
2e0fef85 | 2341 | lpfc_els_handle_rscn(vport); |
dea3101e | 2342 | } |
2343 | } | |
2344 | return; | |
2345 | } | |
2346 | ||
2347 | /* | |
2348 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
2349 | * ring the match the sppecified nodelist. | |
2350 | */ | |
2351 | static void | |
2e0fef85 | 2352 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 2353 | { |
2534ba75 | 2354 | LIST_HEAD(completions); |
dea3101e | 2355 | struct lpfc_sli *psli; |
2356 | IOCB_t *icmd; | |
2357 | struct lpfc_iocbq *iocb, *next_iocb; | |
2358 | struct lpfc_sli_ring *pring; | |
dea3101e | 2359 | |
2360 | psli = &phba->sli; | |
2361 | pring = &psli->ring[LPFC_ELS_RING]; | |
2362 | ||
2363 | /* Error matching iocb on txq or txcmplq | |
2364 | * First check the txq. | |
2365 | */ | |
2e0fef85 | 2366 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2367 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
2368 | if (iocb->context1 != ndlp) { | |
2369 | continue; | |
2370 | } | |
2371 | icmd = &iocb->iocb; | |
2372 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2373 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2374 | ||
2534ba75 | 2375 | list_move_tail(&iocb->list, &completions); |
dea3101e | 2376 | pring->txq_cnt--; |
dea3101e | 2377 | } |
2378 | } | |
2379 | ||
2380 | /* Next check the txcmplq */ | |
2381 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
2382 | if (iocb->context1 != ndlp) { | |
2383 | continue; | |
2384 | } | |
2385 | icmd = &iocb->iocb; | |
2e0fef85 JS |
2386 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
2387 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
2388 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
2389 | } | |
2390 | } | |
2e0fef85 | 2391 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2392 | |
2534ba75 JS |
2393 | while (!list_empty(&completions)) { |
2394 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
92d7f7b0 | 2395 | list_del_init(&iocb->list); |
dea3101e | 2396 | |
2e0fef85 JS |
2397 | if (!iocb->iocb_cmpl) |
2398 | lpfc_sli_release_iocbq(phba, iocb); | |
2399 | else { | |
2534ba75 JS |
2400 | icmd = &iocb->iocb; |
2401 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
2402 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2403 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 2404 | } |
dea3101e | 2405 | } |
dea3101e | 2406 | } |
2407 | ||
2408 | void | |
2e0fef85 | 2409 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 2410 | { |
2411 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 2412 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2413 | |
2e0fef85 JS |
2414 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
2415 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 JS |
2416 | nlp_listp) { |
2417 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || | |
2418 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
2419 | lpfc_free_tx(phba, ndlp); | |
2420 | lpfc_nlp_put(ndlp); | |
2421 | } | |
dea3101e | 2422 | } |
2423 | } | |
dea3101e | 2424 | } |
2425 | ||
92d7f7b0 JS |
2426 | void |
2427 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
2428 | { | |
2429 | lpfc_els_flush_rscn(vport); | |
2430 | lpfc_els_flush_cmd(vport); | |
2431 | lpfc_disc_flush_list(vport); | |
2432 | } | |
2433 | ||
dea3101e | 2434 | /*****************************************************************************/ |
2435 | /* | |
2436 | * NAME: lpfc_disc_timeout | |
2437 | * | |
2438 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
2439 | * | |
2440 | * EXECUTION ENVIRONMENT: interrupt only | |
2441 | * | |
2442 | * CALLED FROM: | |
2443 | * Timer function | |
2444 | * | |
2445 | * RETURNS: | |
2446 | * none | |
2447 | */ | |
2448 | /*****************************************************************************/ | |
2449 | void | |
2450 | lpfc_disc_timeout(unsigned long ptr) | |
2451 | { | |
2e0fef85 JS |
2452 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
2453 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2454 | unsigned long flags = 0; |
2455 | ||
2456 | if (unlikely(!phba)) | |
2457 | return; | |
2458 | ||
2e0fef85 JS |
2459 | if ((vport->work_port_events & WORKER_DISC_TMO) == 0) { |
2460 | spin_lock_irqsave(&vport->work_port_lock, flags); | |
2461 | vport->work_port_events |= WORKER_DISC_TMO; | |
2462 | spin_unlock_irqrestore(&vport->work_port_lock, flags); | |
2463 | ||
92d7f7b0 | 2464 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 2465 | if (phba->work_wait) |
92d7f7b0 JS |
2466 | lpfc_worker_wake_up(phba); |
2467 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
dea3101e | 2468 | } |
dea3101e | 2469 | return; |
2470 | } | |
2471 | ||
2472 | static void | |
2e0fef85 | 2473 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 2474 | { |
2e0fef85 JS |
2475 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2476 | struct lpfc_hba *phba = vport->phba; | |
2477 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 2478 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 2479 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 2480 | int rc, clrlaerr = 0; |
2481 | ||
2e0fef85 | 2482 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 2483 | return; |
2484 | ||
2e0fef85 JS |
2485 | spin_lock_irq(shost->host_lock); |
2486 | vport->fc_flag &= ~FC_DISC_TMO; | |
2487 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2488 | |
858c9f6c JS |
2489 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2490 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
2491 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
2492 | ||
2e0fef85 | 2493 | switch (vport->port_state) { |
dea3101e | 2494 | |
2495 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
2496 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
2497 | * FAN | |
2498 | */ | |
2499 | /* FAN timeout */ | |
e8b62011 JS |
2500 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
2501 | "0221 FAN timeout\n"); | |
c9f8735b | 2502 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 2503 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
2504 | nlp_listp) { |
2505 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
2506 | continue; | |
c9f8735b JW |
2507 | if (ndlp->nlp_type & NLP_FABRIC) { |
2508 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 2509 | lpfc_drop_node(vport, ndlp); |
2fe165b6 | 2510 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
2511 | /* Fail outstanding IO now since device |
2512 | * is marked for PLOGI. | |
2513 | */ | |
2e0fef85 | 2514 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2515 | } |
2516 | } | |
92d7f7b0 JS |
2517 | if (vport->port_state != LPFC_FLOGI) { |
2518 | vport->port_state = LPFC_FLOGI; | |
2519 | lpfc_set_disctmo(vport); | |
2520 | lpfc_initial_flogi(vport); | |
2521 | } | |
dea3101e | 2522 | break; |
2523 | ||
92d7f7b0 | 2524 | case LPFC_FDISC: |
dea3101e | 2525 | case LPFC_FLOGI: |
2e0fef85 | 2526 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 2527 | /* Initial FLOGI timeout */ |
e8b62011 JS |
2528 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2529 | "0222 Initial %s timeout\n", | |
2530 | vport->vpi ? "FLOGI" : "FDISC"); | |
dea3101e | 2531 | |
2532 | /* Assume no Fabric and go on with discovery. | |
2533 | * Check for outstanding ELS FLOGI to abort. | |
2534 | */ | |
2535 | ||
2536 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 2537 | lpfc_disc_list_loopmap(vport); |
dea3101e | 2538 | |
2539 | /* Start discovery */ | |
2e0fef85 | 2540 | lpfc_disc_start(vport); |
dea3101e | 2541 | break; |
2542 | ||
2543 | case LPFC_FABRIC_CFG_LINK: | |
2544 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2545 | NameServer login */ | |
e8b62011 JS |
2546 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2547 | "0223 Timeout while waiting for " | |
2548 | "NameServer login\n"); | |
dea3101e | 2549 | /* Next look for NameServer ndlp */ |
2e0fef85 | 2550 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
dea3101e | 2551 | if (ndlp) |
329f9bc7 | 2552 | lpfc_nlp_put(ndlp); |
dea3101e | 2553 | /* Start discovery */ |
2e0fef85 | 2554 | lpfc_disc_start(vport); |
dea3101e | 2555 | break; |
2556 | ||
2557 | case LPFC_NS_QRY: | |
2558 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
2559 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2560 | "0224 NameServer Query timeout " | |
2561 | "Data: x%x x%x\n", | |
2562 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 2563 | |
92d7f7b0 JS |
2564 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
2565 | /* Try it one more time */ | |
2566 | vport->fc_ns_retry++; | |
2567 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
2568 | vport->fc_ns_retry, 0); | |
2569 | if (rc == 0) | |
2570 | break; | |
dea3101e | 2571 | } |
92d7f7b0 | 2572 | vport->fc_ns_retry = 0; |
dea3101e | 2573 | |
92d7f7b0 JS |
2574 | /* |
2575 | * Discovery is over. | |
2576 | * set port_state to PORT_READY if SLI2. | |
2577 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
2578 | */ | |
2579 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2580 | lpfc_issue_reg_vpi(phba, vport); | |
2581 | else { /* NPIV Not enabled */ | |
2582 | lpfc_issue_clear_la(phba, vport); | |
2583 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 2584 | } |
2585 | ||
2586 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2587 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2588 | if (!initlinkmbox) { | |
e8b62011 JS |
2589 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2590 | "0206 Device Discovery " | |
2591 | "completion error\n"); | |
2e0fef85 | 2592 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2593 | break; |
2594 | } | |
2595 | ||
2596 | lpfc_linkdown(phba); | |
2597 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2598 | phba->cfg_link_speed); | |
2599 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
ed957684 | 2600 | initlinkmbox->vport = vport; |
92d7f7b0 | 2601 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 2602 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, |
2603 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2604 | lpfc_set_loopback_flag(phba); |
dea3101e | 2605 | if (rc == MBX_NOT_FINISHED) |
2606 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2607 | ||
2608 | break; | |
2609 | ||
2610 | case LPFC_DISC_AUTH: | |
2611 | /* Node Authentication timeout */ | |
e8b62011 JS |
2612 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2613 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
2614 | lpfc_disc_flush_list(vport); |
2615 | ||
92d7f7b0 JS |
2616 | /* |
2617 | * set port_state to PORT_READY if SLI2. | |
2618 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
2619 | */ | |
2620 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2621 | lpfc_issue_reg_vpi(phba, vport); | |
2622 | else { /* NPIV Not enabled */ | |
2623 | lpfc_issue_clear_la(phba, vport); | |
2624 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 2625 | } |
2626 | break; | |
2627 | ||
2e0fef85 JS |
2628 | case LPFC_VPORT_READY: |
2629 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
2630 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2631 | "0231 RSCN timeout Data: x%x " | |
2632 | "x%x\n", | |
2633 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 2634 | |
2635 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 2636 | lpfc_els_flush_cmd(vport); |
dea3101e | 2637 | |
2e0fef85 JS |
2638 | lpfc_els_flush_rscn(vport); |
2639 | lpfc_disc_flush_list(vport); | |
dea3101e | 2640 | } |
2641 | break; | |
2e0fef85 | 2642 | |
92d7f7b0 | 2643 | default: |
e8b62011 JS |
2644 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2645 | "0229 Unexpected discovery timeout, " | |
2646 | "vport State x%x\n", vport->port_state); | |
2e0fef85 JS |
2647 | break; |
2648 | } | |
2649 | ||
2650 | switch (phba->link_state) { | |
2651 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 2652 | /* CLEAR LA timeout */ |
e8b62011 JS |
2653 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2654 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
2655 | clrlaerr = 1; |
2656 | break; | |
2657 | ||
2658 | case LPFC_LINK_UNKNOWN: | |
2659 | case LPFC_WARM_START: | |
2660 | case LPFC_INIT_START: | |
2661 | case LPFC_INIT_MBX_CMDS: | |
2662 | case LPFC_LINK_DOWN: | |
2663 | case LPFC_LINK_UP: | |
2664 | case LPFC_HBA_ERROR: | |
e8b62011 JS |
2665 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2666 | "0230 Unexpected timeout, hba link " | |
2667 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
2668 | clrlaerr = 1; |
2669 | break; | |
92d7f7b0 JS |
2670 | |
2671 | case LPFC_HBA_READY: | |
2672 | break; | |
dea3101e | 2673 | } |
2674 | ||
2675 | if (clrlaerr) { | |
2e0fef85 | 2676 | lpfc_disc_flush_list(vport); |
a4bc3379 | 2677 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 2678 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
2679 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 2680 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2681 | } |
2682 | ||
2683 | return; | |
2684 | } | |
2685 | ||
dea3101e | 2686 | /* |
2687 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2688 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2689 | * as the completion routine when the command is | |
2690 | * handed off to the SLI layer. | |
2691 | */ | |
2692 | void | |
2e0fef85 | 2693 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2694 | { |
2e0fef85 JS |
2695 | MAILBOX_t *mb = &pmb->mb; |
2696 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2697 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2698 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 2699 | |
2700 | pmb->context1 = NULL; | |
2701 | ||
dea3101e | 2702 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 2703 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2704 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2705 | |
2e0fef85 JS |
2706 | /* |
2707 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
2708 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
2709 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 2710 | */ |
2e0fef85 | 2711 | |
3de2a653 | 2712 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
2713 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
2714 | else | |
2715 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 2716 | |
329f9bc7 JS |
2717 | /* Mailbox took a reference to the node */ |
2718 | lpfc_nlp_put(ndlp); | |
dea3101e | 2719 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2720 | kfree(mp); | |
329f9bc7 | 2721 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2722 | |
2723 | return; | |
2724 | } | |
2725 | ||
685f0bf7 JS |
2726 | static int |
2727 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
2728 | { | |
2729 | uint16_t *rpi = param; | |
2730 | ||
2731 | return ndlp->nlp_rpi == *rpi; | |
2732 | } | |
2733 | ||
2734 | static int | |
2735 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
2736 | { | |
2737 | return memcmp(&ndlp->nlp_portname, param, | |
2738 | sizeof(ndlp->nlp_portname)) == 0; | |
2739 | } | |
2740 | ||
dea3101e | 2741 | struct lpfc_nodelist * |
2e0fef85 | 2742 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 2743 | { |
21568f53 | 2744 | struct lpfc_nodelist *ndlp; |
dea3101e | 2745 | |
2e0fef85 | 2746 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2747 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && |
2748 | filter(ndlp, param)) | |
2749 | return ndlp; | |
2750 | } | |
21568f53 | 2751 | return NULL; |
dea3101e | 2752 | } |
2753 | ||
685f0bf7 JS |
2754 | /* |
2755 | * Search node lists for a remote port matching filter criteria | |
92d7f7b0 | 2756 | * Caller needs to hold host_lock before calling this routine. |
685f0bf7 JS |
2757 | */ |
2758 | struct lpfc_nodelist * | |
2e0fef85 | 2759 | lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
685f0bf7 | 2760 | { |
2e0fef85 | 2761 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
685f0bf7 JS |
2762 | struct lpfc_nodelist *ndlp; |
2763 | ||
2e0fef85 JS |
2764 | spin_lock_irq(shost->host_lock); |
2765 | ndlp = __lpfc_find_node(vport, filter, param); | |
2766 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
2767 | return ndlp; |
2768 | } | |
2769 | ||
2770 | /* | |
2771 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 2772 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
2773 | */ |
2774 | struct lpfc_nodelist * | |
2e0fef85 | 2775 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 2776 | { |
2e0fef85 | 2777 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
2778 | } |
2779 | ||
2534ba75 | 2780 | struct lpfc_nodelist * |
2e0fef85 | 2781 | lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
2534ba75 | 2782 | { |
2e0fef85 | 2783 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2534ba75 JS |
2784 | struct lpfc_nodelist *ndlp; |
2785 | ||
2e0fef85 JS |
2786 | spin_lock_irq(shost->host_lock); |
2787 | ndlp = __lpfc_findnode_rpi(vport, rpi); | |
2788 | spin_unlock_irq(shost->host_lock); | |
2534ba75 JS |
2789 | return ndlp; |
2790 | } | |
2791 | ||
488d1469 | 2792 | /* |
685f0bf7 | 2793 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 2794 | * returns the node element list pointer else return NULL. |
488d1469 JS |
2795 | */ |
2796 | struct lpfc_nodelist * | |
2e0fef85 | 2797 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 2798 | { |
2e0fef85 | 2799 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 2800 | struct lpfc_nodelist *ndlp; |
488d1469 | 2801 | |
2e0fef85 JS |
2802 | spin_lock_irq(shost->host_lock); |
2803 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
2804 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 2805 | return ndlp; |
488d1469 JS |
2806 | } |
2807 | ||
92d7f7b0 JS |
2808 | void |
2809 | lpfc_dev_loss_delay(unsigned long ptr) | |
2810 | { | |
2811 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; | |
2812 | struct lpfc_vport *vport = ndlp->vport; | |
2813 | struct lpfc_hba *phba = vport->phba; | |
2814 | struct lpfc_work_evt *evtp = &ndlp->dev_loss_evt; | |
2815 | unsigned long flags; | |
2816 | ||
2817 | evtp = &ndlp->dev_loss_evt; | |
2818 | ||
2819 | spin_lock_irqsave(&phba->hbalock, flags); | |
2820 | if (!list_empty(&evtp->evt_listp)) { | |
2821 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
2822 | return; | |
2823 | } | |
2824 | ||
2825 | evtp->evt_arg1 = ndlp; | |
858c9f6c | 2826 | evtp->evt = LPFC_EVT_DEV_LOSS_DELAY; |
92d7f7b0 JS |
2827 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
2828 | if (phba->work_wait) | |
2829 | lpfc_worker_wake_up(phba); | |
2830 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
2831 | return; | |
2832 | } | |
2833 | ||
dea3101e | 2834 | void |
2e0fef85 JS |
2835 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2836 | uint32_t did) | |
dea3101e | 2837 | { |
2838 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
dea3101e | 2839 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
92d7f7b0 | 2840 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); |
dea3101e | 2841 | init_timer(&ndlp->nlp_delayfunc); |
2842 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2843 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2844 | ndlp->nlp_DID = did; | |
2e0fef85 | 2845 | ndlp->vport = vport; |
dea3101e | 2846 | ndlp->nlp_sid = NLP_NO_SID; |
685f0bf7 | 2847 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
329f9bc7 | 2848 | kref_init(&ndlp->kref); |
858c9f6c JS |
2849 | |
2850 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
2851 | "node init: did:x%x", | |
2852 | ndlp->nlp_DID, 0, 0); | |
2853 | ||
dea3101e | 2854 | return; |
2855 | } | |
329f9bc7 JS |
2856 | |
2857 | void | |
2858 | lpfc_nlp_release(struct kref *kref) | |
2859 | { | |
2860 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, | |
2861 | kref); | |
858c9f6c JS |
2862 | |
2863 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
2864 | "node release: did:x%x flg:x%x type:x%x", | |
2865 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
2866 | ||
2e0fef85 JS |
2867 | lpfc_nlp_remove(ndlp->vport, ndlp); |
2868 | mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); | |
329f9bc7 JS |
2869 | } |
2870 | ||
2871 | struct lpfc_nodelist * | |
2872 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
2873 | { | |
2874 | if (ndlp) | |
2875 | kref_get(&ndlp->kref); | |
2876 | return ndlp; | |
2877 | } | |
2878 | ||
2879 | int | |
2880 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
2881 | { | |
2882 | return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; | |
2883 | } |