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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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 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> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/kthread.h> | |
26 | #include <linux/interrupt.h> | |
27 | ||
91886523 | 28 | #include <scsi/scsi.h> |
dea3101e | 29 | #include <scsi/scsi_device.h> |
30 | #include <scsi/scsi_host.h> | |
31 | #include <scsi/scsi_transport_fc.h> | |
32 | ||
da0436e9 | 33 | #include "lpfc_hw4.h" |
dea3101e | 34 | #include "lpfc_hw.h" |
ea2151b4 | 35 | #include "lpfc_nl.h" |
dea3101e | 36 | #include "lpfc_disc.h" |
37 | #include "lpfc_sli.h" | |
da0436e9 | 38 | #include "lpfc_sli4.h" |
dea3101e | 39 | #include "lpfc_scsi.h" |
40 | #include "lpfc.h" | |
41 | #include "lpfc_logmsg.h" | |
42 | #include "lpfc_crtn.h" | |
92d7f7b0 | 43 | #include "lpfc_vport.h" |
858c9f6c | 44 | #include "lpfc_debugfs.h" |
dea3101e | 45 | |
46 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
47 | static uint8_t lpfcAlpaArray[] = { | |
48 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
49 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
50 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
51 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
52 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
53 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
54 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
55 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
56 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
57 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
58 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
59 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
60 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
61 | }; | |
62 | ||
2e0fef85 | 63 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
a6ababd2 | 64 | static void lpfc_disc_flush_list(struct lpfc_vport *vport); |
32b9793f | 65 | static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); |
dea3101e | 66 | |
c01f3208 JS |
67 | void |
68 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 69 | { |
c01f3208 JS |
70 | struct lpfc_rport_data *rdata; |
71 | struct lpfc_nodelist * ndlp; | |
72 | struct lpfc_hba *phba; | |
dea3101e | 73 | |
c01f3208 JS |
74 | rdata = rport->dd_data; |
75 | ndlp = rdata->pnode; | |
76 | ||
58da1ffb | 77 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
c01f3208 JS |
78 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) |
79 | printk(KERN_ERR "Cannot find remote node" | |
80 | " to terminate I/O Data x%x\n", | |
81 | rport->port_id); | |
dea3101e | 82 | return; |
83 | } | |
84 | ||
a257bf90 | 85 | phba = ndlp->phba; |
c01f3208 | 86 | |
858c9f6c JS |
87 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
88 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
89 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
90 | ||
c01f3208 | 91 | if (ndlp->nlp_sid != NLP_NO_SID) { |
51ef4c26 JS |
92 | lpfc_sli_abort_iocb(ndlp->vport, |
93 | &phba->sli.ring[phba->sli.fcp_ring], | |
94 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
c01f3208 | 95 | } |
c01f3208 JS |
96 | } |
97 | ||
98 | /* | |
99 | * This function will be called when dev_loss_tmo fire. | |
100 | */ | |
101 | void | |
102 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
103 | { | |
104 | struct lpfc_rport_data *rdata; | |
105 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 106 | struct lpfc_vport *vport; |
858c9f6c | 107 | struct lpfc_hba *phba; |
858c9f6c | 108 | struct lpfc_work_evt *evtp; |
a8adb832 JS |
109 | int put_node; |
110 | int put_rport; | |
c01f3208 JS |
111 | |
112 | rdata = rport->dd_data; | |
113 | ndlp = rdata->pnode; | |
58da1ffb | 114 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
c01f3208 | 115 | return; |
c01f3208 | 116 | |
858c9f6c JS |
117 | vport = ndlp->vport; |
118 | phba = vport->phba; | |
119 | ||
120 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
121 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
122 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
123 | ||
a8adb832 JS |
124 | /* Don't defer this if we are in the process of deleting the vport |
125 | * or unloading the driver. The unload will cleanup the node | |
126 | * appropriately we just need to cleanup the ndlp rport info here. | |
127 | */ | |
128 | if (vport->load_flag & FC_UNLOADING) { | |
129 | put_node = rdata->pnode != NULL; | |
130 | put_rport = ndlp->rport != NULL; | |
131 | rdata->pnode = NULL; | |
132 | ndlp->rport = NULL; | |
133 | if (put_node) | |
134 | lpfc_nlp_put(ndlp); | |
135 | if (put_rport) | |
136 | put_device(&rport->dev); | |
137 | return; | |
138 | } | |
139 | ||
140 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
141 | return; | |
142 | ||
858c9f6c JS |
143 | evtp = &ndlp->dev_loss_evt; |
144 | ||
145 | if (!list_empty(&evtp->evt_listp)) | |
146 | return; | |
147 | ||
148 | spin_lock_irq(&phba->hbalock); | |
fa4066b6 JS |
149 | /* We need to hold the node by incrementing the reference |
150 | * count until this queued work is done | |
151 | */ | |
152 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); | |
5e9d9b82 JS |
153 | if (evtp->evt_arg1) { |
154 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
155 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
156 | lpfc_worker_wake_up(phba); | |
157 | } | |
858c9f6c JS |
158 | spin_unlock_irq(&phba->hbalock); |
159 | ||
858c9f6c JS |
160 | return; |
161 | } | |
162 | ||
163 | /* | |
164 | * This function is called from the worker thread when dev_loss_tmo | |
165 | * expire. | |
166 | */ | |
a6ababd2 | 167 | static void |
858c9f6c JS |
168 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) |
169 | { | |
170 | struct lpfc_rport_data *rdata; | |
171 | struct fc_rport *rport; | |
172 | struct lpfc_vport *vport; | |
173 | struct lpfc_hba *phba; | |
174 | uint8_t *name; | |
87af33fe JS |
175 | int put_node; |
176 | int put_rport; | |
858c9f6c JS |
177 | int warn_on = 0; |
178 | ||
179 | rport = ndlp->rport; | |
180 | ||
181 | if (!rport) | |
182 | return; | |
183 | ||
184 | rdata = rport->dd_data; | |
185 | name = (uint8_t *) &ndlp->nlp_portname; | |
186 | vport = ndlp->vport; | |
187 | phba = vport->phba; | |
188 | ||
189 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
190 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
191 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
192 | ||
a8adb832 JS |
193 | /* Don't defer this if we are in the process of deleting the vport |
194 | * or unloading the driver. The unload will cleanup the node | |
195 | * appropriately we just need to cleanup the ndlp rport info here. | |
196 | */ | |
197 | if (vport->load_flag & FC_UNLOADING) { | |
09372820 JS |
198 | if (ndlp->nlp_sid != NLP_NO_SID) { |
199 | /* flush the target */ | |
200 | lpfc_sli_abort_iocb(vport, | |
201 | &phba->sli.ring[phba->sli.fcp_ring], | |
202 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
203 | } | |
a8adb832 JS |
204 | put_node = rdata->pnode != NULL; |
205 | put_rport = ndlp->rport != NULL; | |
206 | rdata->pnode = NULL; | |
207 | ndlp->rport = NULL; | |
208 | if (put_node) | |
209 | lpfc_nlp_put(ndlp); | |
210 | if (put_rport) | |
211 | put_device(&rport->dev); | |
212 | return; | |
213 | } | |
214 | ||
d7c255b2 JS |
215 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { |
216 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
217 | "0284 Devloss timeout Ignored on " | |
218 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
219 | "NPort x%x\n", | |
220 | *name, *(name+1), *(name+2), *(name+3), | |
221 | *(name+4), *(name+5), *(name+6), *(name+7), | |
222 | ndlp->nlp_DID); | |
858c9f6c | 223 | return; |
d7c255b2 | 224 | } |
858c9f6c | 225 | |
92d7f7b0 JS |
226 | if (ndlp->nlp_type & NLP_FABRIC) { |
227 | /* We will clean up these Nodes in linkup */ | |
228 | put_node = rdata->pnode != NULL; | |
229 | put_rport = ndlp->rport != NULL; | |
230 | rdata->pnode = NULL; | |
231 | ndlp->rport = NULL; | |
232 | if (put_node) | |
233 | lpfc_nlp_put(ndlp); | |
234 | if (put_rport) | |
235 | put_device(&rport->dev); | |
82085718 | 236 | return; |
92d7f7b0 | 237 | } |
82085718 | 238 | |
dea3101e | 239 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 240 | warn_on = 1; |
dea3101e | 241 | /* flush the target */ |
51ef4c26 JS |
242 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
243 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 244 | } |
c01f3208 | 245 | |
6e8215e4 | 246 | if (warn_on) { |
e8b62011 JS |
247 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
248 | "0203 Devloss timeout on " | |
58da1ffb JS |
249 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
250 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
251 | *name, *(name+1), *(name+2), *(name+3), |
252 | *(name+4), *(name+5), *(name+6), *(name+7), | |
253 | ndlp->nlp_DID, ndlp->nlp_flag, | |
254 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 255 | } else { |
e8b62011 JS |
256 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
257 | "0204 Devloss timeout on " | |
58da1ffb JS |
258 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
259 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
260 | *name, *(name+1), *(name+2), *(name+3), |
261 | *(name+4), *(name+5), *(name+6), *(name+7), | |
262 | ndlp->nlp_DID, ndlp->nlp_flag, | |
263 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
264 | } |
265 | ||
87af33fe JS |
266 | put_node = rdata->pnode != NULL; |
267 | put_rport = ndlp->rport != NULL; | |
268 | rdata->pnode = NULL; | |
269 | ndlp->rport = NULL; | |
270 | if (put_node) | |
271 | lpfc_nlp_put(ndlp); | |
272 | if (put_rport) | |
273 | put_device(&rport->dev); | |
274 | ||
2e0fef85 | 275 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 276 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 | 277 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
e47c9093 | 278 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) |
2e0fef85 | 279 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
6fb120a7 JS |
280 | |
281 | lpfc_unregister_unused_fcf(phba); | |
92d7f7b0 | 282 | } |
c01f3208 | 283 | |
ea2151b4 | 284 | /** |
3621a710 | 285 | * lpfc_alloc_fast_evt - Allocates data structure for posting event |
ea2151b4 JS |
286 | * @phba: Pointer to hba context object. |
287 | * | |
288 | * This function is called from the functions which need to post | |
289 | * events from interrupt context. This function allocates data | |
290 | * structure required for posting event. It also keeps track of | |
291 | * number of events pending and prevent event storm when there are | |
292 | * too many events. | |
293 | **/ | |
294 | struct lpfc_fast_path_event * | |
295 | lpfc_alloc_fast_evt(struct lpfc_hba *phba) { | |
296 | struct lpfc_fast_path_event *ret; | |
297 | ||
298 | /* If there are lot of fast event do not exhaust memory due to this */ | |
299 | if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) | |
300 | return NULL; | |
301 | ||
302 | ret = kzalloc(sizeof(struct lpfc_fast_path_event), | |
303 | GFP_ATOMIC); | |
6fb120a7 | 304 | if (ret) { |
ea2151b4 | 305 | atomic_inc(&phba->fast_event_count); |
6fb120a7 JS |
306 | INIT_LIST_HEAD(&ret->work_evt.evt_listp); |
307 | ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; | |
308 | } | |
ea2151b4 JS |
309 | return ret; |
310 | } | |
311 | ||
312 | /** | |
3621a710 | 313 | * lpfc_free_fast_evt - Frees event data structure |
ea2151b4 JS |
314 | * @phba: Pointer to hba context object. |
315 | * @evt: Event object which need to be freed. | |
316 | * | |
317 | * This function frees the data structure required for posting | |
318 | * events. | |
319 | **/ | |
320 | void | |
321 | lpfc_free_fast_evt(struct lpfc_hba *phba, | |
322 | struct lpfc_fast_path_event *evt) { | |
323 | ||
324 | atomic_dec(&phba->fast_event_count); | |
325 | kfree(evt); | |
326 | } | |
327 | ||
328 | /** | |
3621a710 | 329 | * lpfc_send_fastpath_evt - Posts events generated from fast path |
ea2151b4 JS |
330 | * @phba: Pointer to hba context object. |
331 | * @evtp: Event data structure. | |
332 | * | |
333 | * This function is called from worker thread, when the interrupt | |
334 | * context need to post an event. This function posts the event | |
335 | * to fc transport netlink interface. | |
336 | **/ | |
337 | static void | |
338 | lpfc_send_fastpath_evt(struct lpfc_hba *phba, | |
339 | struct lpfc_work_evt *evtp) | |
340 | { | |
341 | unsigned long evt_category, evt_sub_category; | |
342 | struct lpfc_fast_path_event *fast_evt_data; | |
343 | char *evt_data; | |
344 | uint32_t evt_data_size; | |
345 | struct Scsi_Host *shost; | |
346 | ||
347 | fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, | |
348 | work_evt); | |
349 | ||
350 | evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; | |
351 | evt_sub_category = (unsigned long) fast_evt_data->un. | |
352 | fabric_evt.subcategory; | |
353 | shost = lpfc_shost_from_vport(fast_evt_data->vport); | |
354 | if (evt_category == FC_REG_FABRIC_EVENT) { | |
355 | if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { | |
356 | evt_data = (char *) &fast_evt_data->un.read_check_error; | |
357 | evt_data_size = sizeof(fast_evt_data->un. | |
358 | read_check_error); | |
359 | } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || | |
eaf15d5b | 360 | (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { |
ea2151b4 JS |
361 | evt_data = (char *) &fast_evt_data->un.fabric_evt; |
362 | evt_data_size = sizeof(fast_evt_data->un.fabric_evt); | |
363 | } else { | |
364 | lpfc_free_fast_evt(phba, fast_evt_data); | |
365 | return; | |
366 | } | |
367 | } else if (evt_category == FC_REG_SCSI_EVENT) { | |
368 | switch (evt_sub_category) { | |
369 | case LPFC_EVENT_QFULL: | |
370 | case LPFC_EVENT_DEVBSY: | |
371 | evt_data = (char *) &fast_evt_data->un.scsi_evt; | |
372 | evt_data_size = sizeof(fast_evt_data->un.scsi_evt); | |
373 | break; | |
374 | case LPFC_EVENT_CHECK_COND: | |
375 | evt_data = (char *) &fast_evt_data->un.check_cond_evt; | |
376 | evt_data_size = sizeof(fast_evt_data->un. | |
377 | check_cond_evt); | |
378 | break; | |
379 | case LPFC_EVENT_VARQUEDEPTH: | |
380 | evt_data = (char *) &fast_evt_data->un.queue_depth_evt; | |
381 | evt_data_size = sizeof(fast_evt_data->un. | |
382 | queue_depth_evt); | |
383 | break; | |
384 | default: | |
385 | lpfc_free_fast_evt(phba, fast_evt_data); | |
386 | return; | |
387 | } | |
388 | } else { | |
389 | lpfc_free_fast_evt(phba, fast_evt_data); | |
390 | return; | |
391 | } | |
392 | ||
393 | fc_host_post_vendor_event(shost, | |
394 | fc_get_event_number(), | |
395 | evt_data_size, | |
396 | evt_data, | |
ddcc50f0 | 397 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
398 | |
399 | lpfc_free_fast_evt(phba, fast_evt_data); | |
400 | return; | |
401 | } | |
402 | ||
dea3101e | 403 | static void |
2e0fef85 | 404 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 405 | { |
406 | struct lpfc_work_evt *evtp = NULL; | |
407 | struct lpfc_nodelist *ndlp; | |
408 | int free_evt; | |
409 | ||
2e0fef85 JS |
410 | spin_lock_irq(&phba->hbalock); |
411 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 412 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
413 | evt_listp); | |
2e0fef85 | 414 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 415 | free_evt = 1; |
2fe165b6 | 416 | switch (evtp->evt) { |
dea3101e | 417 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 418 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 419 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 420 | free_evt = 0; /* evt is part of ndlp */ |
fa4066b6 JS |
421 | /* decrement the node reference count held |
422 | * for this queued work | |
423 | */ | |
424 | lpfc_nlp_put(ndlp); | |
dea3101e | 425 | break; |
858c9f6c JS |
426 | case LPFC_EVT_DEV_LOSS: |
427 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
858c9f6c JS |
428 | lpfc_dev_loss_tmo_handler(ndlp); |
429 | free_evt = 0; | |
fa4066b6 JS |
430 | /* decrement the node reference count held for |
431 | * this queued work | |
432 | */ | |
858c9f6c JS |
433 | lpfc_nlp_put(ndlp); |
434 | break; | |
dea3101e | 435 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
436 | if (phba->link_state < LPFC_LINK_DOWN) |
437 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 438 | else |
2e0fef85 | 439 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 440 | complete((struct completion *)(evtp->evt_arg2)); |
441 | break; | |
46fa311e | 442 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 443 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
444 | lpfc_offline_prep(phba); |
445 | *(int *)(evtp->evt_arg1) = 0; | |
446 | complete((struct completion *)(evtp->evt_arg2)); | |
447 | break; | |
448 | case LPFC_EVT_OFFLINE: | |
449 | lpfc_offline(phba); | |
41415862 JW |
450 | lpfc_sli_brdrestart(phba); |
451 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
452 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
453 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
454 | complete((struct completion *)(evtp->evt_arg2)); |
455 | break; | |
456 | case LPFC_EVT_WARM_START: | |
46fa311e | 457 | lpfc_offline(phba); |
9290831f | 458 | lpfc_reset_barrier(phba); |
41415862 JW |
459 | lpfc_sli_brdreset(phba); |
460 | lpfc_hba_down_post(phba); | |
461 | *(int *)(evtp->evt_arg1) = | |
462 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 463 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
464 | complete((struct completion *)(evtp->evt_arg2)); |
465 | break; | |
466 | case LPFC_EVT_KILL: | |
46fa311e | 467 | lpfc_offline(phba); |
9290831f | 468 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
469 | = (phba->pport->stopped) |
470 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 471 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 472 | complete((struct completion *)(evtp->evt_arg2)); |
473 | break; | |
ea2151b4 JS |
474 | case LPFC_EVT_FASTPATH_MGMT_EVT: |
475 | lpfc_send_fastpath_evt(phba, evtp); | |
476 | free_evt = 0; | |
477 | break; | |
78730cfe JS |
478 | case LPFC_EVT_RESET_HBA: |
479 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
480 | lpfc_reset_hba(phba); | |
481 | break; | |
dea3101e | 482 | } |
483 | if (free_evt) | |
484 | kfree(evtp); | |
2e0fef85 | 485 | spin_lock_irq(&phba->hbalock); |
dea3101e | 486 | } |
2e0fef85 | 487 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 488 | |
489 | } | |
490 | ||
311464ec | 491 | static void |
2e0fef85 | 492 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 493 | { |
494 | struct lpfc_sli_ring *pring; | |
858c9f6c | 495 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd | 496 | struct lpfc_vport **vports; |
51ef4c26 | 497 | struct lpfc_vport *vport; |
549e55cd | 498 | int i; |
dea3101e | 499 | |
2e0fef85 | 500 | spin_lock_irq(&phba->hbalock); |
dea3101e | 501 | ha_copy = phba->work_ha; |
502 | phba->work_ha = 0; | |
2e0fef85 | 503 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 504 | |
da0436e9 JS |
505 | /* First, try to post the next mailbox command to SLI4 device */ |
506 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
507 | lpfc_sli4_post_async_mbox(phba); | |
508 | ||
2fe165b6 | 509 | if (ha_copy & HA_ERATT) |
9399627f | 510 | /* Handle the error attention event */ |
dea3101e | 511 | lpfc_handle_eratt(phba); |
512 | ||
2fe165b6 | 513 | if (ha_copy & HA_MBATT) |
dea3101e | 514 | lpfc_sli_handle_mb_event(phba); |
515 | ||
2fe165b6 | 516 | if (ha_copy & HA_LATT) |
dea3101e | 517 | lpfc_handle_latt(phba); |
9399627f | 518 | |
da0436e9 JS |
519 | /* Process SLI4 events */ |
520 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
521 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) | |
522 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
523 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
524 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
525 | if (phba->hba_flag & ASYNC_EVENT) | |
526 | lpfc_sli4_async_event_proc(phba); | |
527 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
528 | spin_lock_irq(&phba->hbalock); | |
529 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
530 | spin_unlock_irq(&phba->hbalock); | |
531 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
532 | } | |
ecfd03c6 JS |
533 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) |
534 | lpfc_sli4_fcf_redisc_event_proc(phba); | |
da0436e9 JS |
535 | } |
536 | ||
549e55cd JS |
537 | vports = lpfc_create_vport_work_array(phba); |
538 | if (vports != NULL) | |
da0436e9 | 539 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
540 | /* |
541 | * We could have no vports in array if unloading, so if | |
542 | * this happens then just use the pport | |
543 | */ | |
544 | if (vports[i] == NULL && i == 0) | |
545 | vport = phba->pport; | |
546 | else | |
547 | vport = vports[i]; | |
548 | if (vport == NULL) | |
549 | break; | |
58da1ffb | 550 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 551 | work_port_events = vport->work_port_events; |
58da1ffb JS |
552 | vport->work_port_events &= ~work_port_events; |
553 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 554 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 555 | lpfc_disc_timeout_handler(vport); |
549e55cd | 556 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 557 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
558 | if (work_port_events & WORKER_HB_TMO) |
559 | lpfc_hb_timeout_handler(phba); | |
560 | if (work_port_events & WORKER_MBOX_TMO) | |
561 | lpfc_mbox_timeout_handler(phba); | |
562 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
563 | lpfc_unblock_fabric_iocbs(phba); | |
564 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 565 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
566 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
567 | lpfc_ramp_down_queue_handler(phba); | |
568 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
569 | lpfc_ramp_up_queue_handler(phba); | |
92d7f7b0 | 570 | } |
09372820 | 571 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 572 | |
858c9f6c JS |
573 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
574 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
575 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
576 | if ((status & HA_RXMASK) || |
577 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 578 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 579 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 580 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
581 | /* Set the lpfc data pending flag */ |
582 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 583 | } else { |
58da1ffb | 584 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
858c9f6c JS |
585 | lpfc_sli_handle_slow_ring_event(phba, pring, |
586 | (status & | |
587 | HA_RXMASK)); | |
858c9f6c JS |
588 | } |
589 | /* | |
590 | * Turn on Ring interrupts | |
591 | */ | |
3772a991 JS |
592 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
593 | spin_lock_irq(&phba->hbalock); | |
594 | control = readl(phba->HCregaddr); | |
595 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
596 | lpfc_debugfs_slow_ring_trc(phba, | |
597 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
598 | control, ha_copy, 0); | |
599 | ||
600 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
601 | writel(control, phba->HCregaddr); | |
602 | readl(phba->HCregaddr); /* flush */ | |
603 | } else { | |
604 | lpfc_debugfs_slow_ring_trc(phba, | |
605 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
606 | control, ha_copy, 0); | |
607 | } | |
608 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 609 | } |
dea3101e | 610 | } |
2e0fef85 | 611 | lpfc_work_list_done(phba); |
dea3101e | 612 | } |
613 | ||
dea3101e | 614 | int |
615 | lpfc_do_work(void *p) | |
616 | { | |
617 | struct lpfc_hba *phba = p; | |
618 | int rc; | |
dea3101e | 619 | |
620 | set_user_nice(current, -20); | |
5e9d9b82 | 621 | phba->data_flags = 0; |
dea3101e | 622 | |
3a55b532 | 623 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
624 | /* wait and check worker queue activities */ |
625 | rc = wait_event_interruptible(phba->work_waitq, | |
626 | (test_and_clear_bit(LPFC_DATA_READY, | |
627 | &phba->data_flags) | |
628 | || kthread_should_stop())); | |
3a55b532 JS |
629 | /* Signal wakeup shall terminate the worker thread */ |
630 | if (rc) { | |
631 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
632 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 633 | break; |
3a55b532 | 634 | } |
dea3101e | 635 | |
5e9d9b82 | 636 | /* Attend pending lpfc data processing */ |
dea3101e | 637 | lpfc_work_done(phba); |
dea3101e | 638 | } |
3a55b532 JS |
639 | phba->worker_thread = NULL; |
640 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
641 | "0432 Worker thread stopped.\n"); | |
dea3101e | 642 | return 0; |
643 | } | |
644 | ||
645 | /* | |
646 | * This is only called to handle FC worker events. Since this a rare | |
647 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
648 | * embedding it in the IOCB. | |
649 | */ | |
650 | int | |
2e0fef85 | 651 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 652 | uint32_t evt) |
653 | { | |
654 | struct lpfc_work_evt *evtp; | |
ed957684 | 655 | unsigned long flags; |
dea3101e | 656 | |
657 | /* | |
658 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
659 | * be queued to worker thread for processing | |
660 | */ | |
92d7f7b0 | 661 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 662 | if (!evtp) |
663 | return 0; | |
664 | ||
665 | evtp->evt_arg1 = arg1; | |
666 | evtp->evt_arg2 = arg2; | |
667 | evtp->evt = evt; | |
668 | ||
ed957684 | 669 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 670 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 671 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 672 | |
5e9d9b82 JS |
673 | lpfc_worker_wake_up(phba); |
674 | ||
dea3101e | 675 | return 1; |
676 | } | |
677 | ||
92d7f7b0 JS |
678 | void |
679 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
680 | { | |
09372820 | 681 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
682 | struct lpfc_hba *phba = vport->phba; |
683 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
684 | int rc; | |
685 | ||
686 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
687 | if (!NLP_CHK_NODE_ACT(ndlp)) |
688 | continue; | |
92d7f7b0 JS |
689 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
690 | continue; | |
98c9ea5c JS |
691 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
692 | ((vport->port_type == LPFC_NPIV_PORT) && | |
693 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
694 | lpfc_unreg_rpi(vport, ndlp); |
695 | ||
696 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
697 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
698 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
699 | continue; |
700 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
701 | remove | |
702 | ? NLP_EVT_DEVICE_RM | |
703 | : NLP_EVT_DEVICE_RECOVERY); | |
704 | } | |
705 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
706 | lpfc_mbx_unreg_vpi(vport); | |
09372820 | 707 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 708 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 709 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
710 | } |
711 | } | |
712 | ||
87af33fe | 713 | void |
98c9ea5c | 714 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 715 | { |
695a814e JS |
716 | lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN); |
717 | ||
45ed1190 JS |
718 | /* Cleanup any outstanding received buffers */ |
719 | lpfc_cleanup_rcv_buffers(vport); | |
720 | ||
92d7f7b0 JS |
721 | /* Cleanup any outstanding RSCN activity */ |
722 | lpfc_els_flush_rscn(vport); | |
723 | ||
724 | /* Cleanup any outstanding ELS commands */ | |
725 | lpfc_els_flush_cmd(vport); | |
726 | ||
727 | lpfc_cleanup_rpis(vport, 0); | |
728 | ||
92d7f7b0 JS |
729 | /* Turn off discovery timer if its running */ |
730 | lpfc_can_disctmo(vport); | |
731 | } | |
732 | ||
3772a991 | 733 | void |
98c9ea5c JS |
734 | lpfc_linkdown_port(struct lpfc_vport *vport) |
735 | { | |
736 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
737 | ||
738 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
739 | ||
740 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
741 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
742 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
743 | ||
744 | lpfc_port_link_failure(vport); | |
745 | ||
746 | } | |
747 | ||
dea3101e | 748 | int |
685f0bf7 | 749 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 750 | { |
2e0fef85 JS |
751 | struct lpfc_vport *vport = phba->pport; |
752 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 753 | struct lpfc_vport **vports; |
685f0bf7 | 754 | LPFC_MBOXQ_t *mb; |
549e55cd | 755 | int i; |
dea3101e | 756 | |
3163f725 | 757 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 758 | return 0; |
aacc20e3 JS |
759 | |
760 | /* Block all SCSI stack I/Os */ | |
761 | lpfc_scsi_dev_block(phba); | |
762 | ||
2e0fef85 | 763 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 764 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); |
72100cc4 | 765 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 766 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 767 | phba->link_state = LPFC_LINK_DOWN; |
72100cc4 | 768 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 769 | phba->pport->fc_flag &= ~FC_LBIT; |
72100cc4 | 770 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 771 | } |
549e55cd JS |
772 | vports = lpfc_create_vport_work_array(phba); |
773 | if (vports != NULL) | |
6fb120a7 | 774 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
775 | /* Issue a LINK DOWN event to all nodes */ |
776 | lpfc_linkdown_port(vports[i]); | |
777 | } | |
09372820 | 778 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 779 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
780 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
781 | if (mb) { | |
92d7f7b0 | 782 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 783 | mb->vport = vport; |
2e0fef85 | 784 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 785 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 786 | == MBX_NOT_FINISHED) { |
2e0fef85 | 787 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 788 | } |
789 | } | |
790 | ||
dea3101e | 791 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
792 | if (phba->pport->fc_flag & FC_PT2PT) { |
793 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
794 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
795 | if (mb) { | |
dea3101e | 796 | lpfc_config_link(phba, mb); |
92d7f7b0 | 797 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 798 | mb->vport = vport; |
0b727fea | 799 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 800 | == MBX_NOT_FINISHED) { |
2e0fef85 | 801 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 802 | } |
803 | } | |
2e0fef85 | 804 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 805 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 806 | spin_unlock_irq(shost->host_lock); |
dea3101e | 807 | } |
2e0fef85 | 808 | |
92d7f7b0 JS |
809 | return 0; |
810 | } | |
dea3101e | 811 | |
92d7f7b0 JS |
812 | static void |
813 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
814 | { | |
815 | struct lpfc_nodelist *ndlp; | |
dea3101e | 816 | |
92d7f7b0 | 817 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
818 | if (!NLP_CHK_NODE_ACT(ndlp)) |
819 | continue; | |
92d7f7b0 JS |
820 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
821 | continue; | |
92d7f7b0 | 822 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
823 | /* On Linkup its safe to clean up the ndlp |
824 | * from Fabric connections. | |
825 | */ | |
92d7f7b0 JS |
826 | if (ndlp->nlp_DID != Fabric_DID) |
827 | lpfc_unreg_rpi(vport, ndlp); | |
828 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
829 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
830 | /* Fail outstanding IO now since device is |
831 | * marked for PLOGI. | |
832 | */ | |
92d7f7b0 JS |
833 | lpfc_unreg_rpi(vport, ndlp); |
834 | } | |
835 | } | |
dea3101e | 836 | } |
837 | ||
92d7f7b0 JS |
838 | static void |
839 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 840 | { |
92d7f7b0 | 841 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
842 | struct lpfc_hba *phba = vport->phba; |
843 | ||
844 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
845 | return; | |
846 | ||
858c9f6c JS |
847 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
848 | "Link Up: top:x%x speed:x%x flg:x%x", | |
849 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
850 | ||
92d7f7b0 JS |
851 | /* If NPIV is not enabled, only bring the physical port up */ |
852 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
853 | (vport != phba->pport)) | |
854 | return; | |
dea3101e | 855 | |
2e0fef85 | 856 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 857 | |
2e0fef85 | 858 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
859 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
860 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
861 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
862 | vport->fc_ns_retry = 0; | |
863 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 864 | |
92d7f7b0 JS |
865 | if (vport->fc_flag & FC_LBIT) |
866 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 867 | |
92d7f7b0 JS |
868 | } |
869 | ||
870 | static int | |
871 | lpfc_linkup(struct lpfc_hba *phba) | |
872 | { | |
549e55cd JS |
873 | struct lpfc_vport **vports; |
874 | int i; | |
92d7f7b0 JS |
875 | |
876 | phba->link_state = LPFC_LINK_UP; | |
877 | ||
878 | /* Unblock fabric iocbs if they are blocked */ | |
879 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
880 | del_timer_sync(&phba->fabric_block_timer); | |
881 | ||
549e55cd JS |
882 | vports = lpfc_create_vport_work_array(phba); |
883 | if (vports != NULL) | |
6fb120a7 | 884 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 885 | lpfc_linkup_port(vports[i]); |
09372820 | 886 | lpfc_destroy_vport_work_array(phba, vports); |
6fb120a7 JS |
887 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
888 | (phba->sli_rev < LPFC_SLI_REV4)) | |
92d7f7b0 | 889 | lpfc_issue_clear_la(phba, phba->pport); |
dea3101e | 890 | |
891 | return 0; | |
892 | } | |
893 | ||
894 | /* | |
895 | * This routine handles processing a CLEAR_LA mailbox | |
896 | * command upon completion. It is setup in the LPFC_MBOXQ | |
897 | * as the completion routine when the command is | |
898 | * handed off to the SLI layer. | |
899 | */ | |
a6ababd2 | 900 | static void |
2e0fef85 | 901 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 902 | { |
2e0fef85 JS |
903 | struct lpfc_vport *vport = pmb->vport; |
904 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
905 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 906 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 907 | uint32_t control; |
908 | ||
dea3101e | 909 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 910 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 911 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
912 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
913 | ||
914 | /* Check for error */ | |
915 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 916 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
917 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
918 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
919 | "state x%x\n", | |
920 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 921 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 922 | goto out; |
923 | } | |
924 | ||
92d7f7b0 JS |
925 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
926 | phba->link_state = LPFC_HBA_READY; | |
927 | ||
928 | spin_lock_irq(&phba->hbalock); | |
929 | psli->sli_flag |= LPFC_PROCESS_LA; | |
930 | control = readl(phba->HCregaddr); | |
931 | control |= HC_LAINT_ENA; | |
932 | writel(control, phba->HCregaddr); | |
933 | readl(phba->HCregaddr); /* flush */ | |
934 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 935 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 936 | return; |
dea3101e | 937 | |
dea3101e | 938 | out: |
939 | /* Device Discovery completes */ | |
e8b62011 JS |
940 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
941 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 942 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 943 | |
2e0fef85 | 944 | spin_lock_irq(shost->host_lock); |
58da1ffb | 945 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 946 | spin_unlock_irq(shost->host_lock); |
dea3101e | 947 | |
2e0fef85 | 948 | lpfc_can_disctmo(vport); |
dea3101e | 949 | |
950 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
951 | |
952 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 953 | psli->sli_flag |= LPFC_PROCESS_LA; |
954 | control = readl(phba->HCregaddr); | |
955 | control |= HC_LAINT_ENA; | |
956 | writel(control, phba->HCregaddr); | |
957 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 958 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 959 | |
960 | return; | |
961 | } | |
962 | ||
2e0fef85 | 963 | |
dea3101e | 964 | static void |
25594c6b | 965 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 966 | { |
2e0fef85 | 967 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 968 | |
04c68496 | 969 | if (pmb->u.mb.mbxStatus) |
dea3101e | 970 | goto out; |
dea3101e | 971 | |
25594c6b JW |
972 | mempool_free(pmb, phba->mbox_mem_pool); |
973 | ||
974 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
975 | vport->fc_flag & FC_PUBLIC_LOOP && |
976 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 977 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 978 | * for timeout. port_state is identically |
25594c6b JW |
979 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
980 | */ | |
2e0fef85 | 981 | lpfc_set_disctmo(vport); |
25594c6b | 982 | return; |
92d7f7b0 | 983 | } |
dea3101e | 984 | |
2e0fef85 | 985 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
986 | * LPFC_FLOGI while waiting for FLOGI cmpl |
987 | */ | |
92d7f7b0 | 988 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 JS |
989 | lpfc_initial_flogi(vport); |
990 | } | |
25594c6b | 991 | return; |
dea3101e | 992 | |
993 | out: | |
e8b62011 JS |
994 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
995 | "0306 CONFIG_LINK mbxStatus error x%x " | |
996 | "HBA state x%x\n", | |
04c68496 | 997 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 998 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 999 | |
92d7f7b0 | 1000 | lpfc_linkdown(phba); |
25594c6b | 1001 | |
e8b62011 JS |
1002 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1003 | "0200 CONFIG_LINK bad hba state x%x\n", | |
1004 | vport->port_state); | |
dea3101e | 1005 | |
92d7f7b0 | 1006 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 1007 | return; |
1008 | } | |
1009 | ||
6fb120a7 JS |
1010 | static void |
1011 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1012 | { | |
1013 | struct lpfc_vport *vport = mboxq->vport; | |
1014 | unsigned long flags; | |
1015 | ||
1016 | if (mboxq->u.mb.mbxStatus) { | |
1017 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1018 | "2017 REG_FCFI mbxStatus error x%x " | |
1019 | "HBA state x%x\n", | |
1020 | mboxq->u.mb.mbxStatus, vport->port_state); | |
1021 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1022 | return; | |
1023 | } | |
1024 | ||
1025 | /* Start FCoE discovery by sending a FLOGI. */ | |
1026 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1027 | /* Set the FCFI registered flag */ | |
1028 | spin_lock_irqsave(&phba->hbalock, flags); | |
1029 | phba->fcf.fcf_flag |= FCF_REGISTERED; | |
1030 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
32b9793f JS |
1031 | /* If there is a pending FCoE event, restart FCF table scan. */ |
1032 | if (lpfc_check_pending_fcoe_event(phba, 1)) { | |
1033 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1034 | return; | |
1035 | } | |
1c6f4ef5 | 1036 | spin_lock_irqsave(&phba->hbalock, flags); |
ecfd03c6 | 1037 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
4d9ab994 | 1038 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
1c6f4ef5 JS |
1039 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1040 | if (vport->port_state != LPFC_FLOGI) | |
6fb120a7 | 1041 | lpfc_initial_flogi(vport); |
6fb120a7 JS |
1042 | |
1043 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | /** | |
1048 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1049 | * @fab_name: pointer to fabric name. | |
1050 | * @new_fcf_record: pointer to fcf record. | |
1051 | * | |
1052 | * This routine compare the fcf record's fabric name with provided | |
1053 | * fabric name. If the fabric name are identical this function | |
1054 | * returns 1 else return 0. | |
1055 | **/ | |
1056 | static uint32_t | |
1057 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1058 | { | |
ecfd03c6 JS |
1059 | if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) |
1060 | return 0; | |
1061 | if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) | |
1062 | return 0; | |
1063 | if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) | |
1064 | return 0; | |
1065 | if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) | |
1066 | return 0; | |
1067 | if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) | |
1068 | return 0; | |
1069 | if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) | |
6fb120a7 | 1070 | return 0; |
ecfd03c6 JS |
1071 | if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) |
1072 | return 0; | |
1073 | if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)) | |
1074 | return 0; | |
1075 | return 1; | |
6fb120a7 JS |
1076 | } |
1077 | ||
8fa38513 JS |
1078 | /** |
1079 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1080 | * @fab_name: pointer to fabric name. | |
1081 | * @new_fcf_record: pointer to fcf record. | |
1082 | * | |
1083 | * This routine compare the fcf record's switch name with provided | |
1084 | * switch name. If the switch name are identical this function | |
1085 | * returns 1 else return 0. | |
1086 | **/ | |
1087 | static uint32_t | |
1088 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1089 | { | |
ecfd03c6 JS |
1090 | if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) |
1091 | return 0; | |
1092 | if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) | |
1093 | return 0; | |
1094 | if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) | |
8fa38513 | 1095 | return 0; |
ecfd03c6 JS |
1096 | if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) |
1097 | return 0; | |
1098 | if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) | |
1099 | return 0; | |
1100 | if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) | |
1101 | return 0; | |
1102 | if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) | |
1103 | return 0; | |
1104 | if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)) | |
1105 | return 0; | |
1106 | return 1; | |
8fa38513 JS |
1107 | } |
1108 | ||
6fb120a7 JS |
1109 | /** |
1110 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
ecfd03c6 | 1111 | * @mac_addr: pointer to mac address. |
6fb120a7 JS |
1112 | * @new_fcf_record: pointer to fcf record. |
1113 | * | |
1114 | * This routine compare the fcf record's mac address with HBA's | |
1115 | * FCF mac address. If the mac addresses are identical this function | |
1116 | * returns 1 else return 0. | |
1117 | **/ | |
1118 | static uint32_t | |
ecfd03c6 | 1119 | lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record) |
6fb120a7 | 1120 | { |
ecfd03c6 JS |
1121 | if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) |
1122 | return 0; | |
1123 | if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) | |
1124 | return 0; | |
1125 | if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) | |
1126 | return 0; | |
1127 | if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) | |
1128 | return 0; | |
1129 | if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) | |
1130 | return 0; | |
1131 | if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record)) | |
6fb120a7 | 1132 | return 0; |
ecfd03c6 JS |
1133 | return 1; |
1134 | } | |
1135 | ||
1136 | static bool | |
1137 | lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id) | |
1138 | { | |
1139 | return (curr_vlan_id == new_vlan_id); | |
6fb120a7 JS |
1140 | } |
1141 | ||
1142 | /** | |
1143 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
ecfd03c6 | 1144 | * @fcf: pointer to driver fcf record. |
6fb120a7 JS |
1145 | * @new_fcf_record: pointer to fcf record. |
1146 | * | |
1147 | * This routine copies the FCF information from the FCF | |
1148 | * record to lpfc_hba data structure. | |
1149 | **/ | |
1150 | static void | |
ecfd03c6 JS |
1151 | lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec, |
1152 | struct fcf_record *new_fcf_record) | |
6fb120a7 | 1153 | { |
ecfd03c6 JS |
1154 | /* Fabric name */ |
1155 | fcf_rec->fabric_name[0] = | |
6fb120a7 | 1156 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); |
ecfd03c6 | 1157 | fcf_rec->fabric_name[1] = |
6fb120a7 | 1158 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); |
ecfd03c6 | 1159 | fcf_rec->fabric_name[2] = |
6fb120a7 | 1160 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); |
ecfd03c6 | 1161 | fcf_rec->fabric_name[3] = |
6fb120a7 | 1162 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); |
ecfd03c6 | 1163 | fcf_rec->fabric_name[4] = |
6fb120a7 | 1164 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); |
ecfd03c6 | 1165 | fcf_rec->fabric_name[5] = |
6fb120a7 | 1166 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); |
ecfd03c6 | 1167 | fcf_rec->fabric_name[6] = |
6fb120a7 | 1168 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); |
ecfd03c6 | 1169 | fcf_rec->fabric_name[7] = |
6fb120a7 | 1170 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); |
ecfd03c6 JS |
1171 | /* Mac address */ |
1172 | fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1173 | fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1174 | fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1175 | fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1176 | fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1177 | fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1178 | /* FCF record index */ | |
1179 | fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1180 | /* FCF record priority */ | |
1181 | fcf_rec->priority = new_fcf_record->fip_priority; | |
1182 | /* Switch name */ | |
1183 | fcf_rec->switch_name[0] = | |
8fa38513 | 1184 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); |
ecfd03c6 | 1185 | fcf_rec->switch_name[1] = |
8fa38513 | 1186 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); |
ecfd03c6 | 1187 | fcf_rec->switch_name[2] = |
8fa38513 | 1188 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); |
ecfd03c6 | 1189 | fcf_rec->switch_name[3] = |
8fa38513 | 1190 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); |
ecfd03c6 | 1191 | fcf_rec->switch_name[4] = |
8fa38513 | 1192 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); |
ecfd03c6 | 1193 | fcf_rec->switch_name[5] = |
8fa38513 | 1194 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); |
ecfd03c6 | 1195 | fcf_rec->switch_name[6] = |
8fa38513 | 1196 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); |
ecfd03c6 | 1197 | fcf_rec->switch_name[7] = |
8fa38513 | 1198 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); |
6fb120a7 JS |
1199 | } |
1200 | ||
ecfd03c6 JS |
1201 | /** |
1202 | * lpfc_update_fcf_record - Update driver fcf record | |
1203 | * @phba: pointer to lpfc hba data structure. | |
1204 | * @fcf_rec: pointer to driver fcf record. | |
1205 | * @new_fcf_record: pointer to hba fcf record. | |
1206 | * @addr_mode: address mode to be set to the driver fcf record. | |
1207 | * @vlan_id: vlan tag to be set to the driver fcf record. | |
1208 | * @flag: flag bits to be set to the driver fcf record. | |
1209 | * | |
1210 | * This routine updates the driver FCF record from the new HBA FCF record | |
1211 | * together with the address mode, vlan_id, and other informations. This | |
1212 | * routine is called with the host lock held. | |
1213 | **/ | |
1214 | static void | |
1215 | __lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec, | |
1216 | struct fcf_record *new_fcf_record, uint32_t addr_mode, | |
1217 | uint16_t vlan_id, uint32_t flag) | |
1218 | { | |
1219 | /* Copy the fields from the HBA's FCF record */ | |
1220 | lpfc_copy_fcf_record(fcf_rec, new_fcf_record); | |
1221 | /* Update other fields of driver FCF record */ | |
1222 | fcf_rec->addr_mode = addr_mode; | |
1223 | fcf_rec->vlan_id = vlan_id; | |
1224 | fcf_rec->flag |= (flag | RECORD_VALID); | |
1225 | } | |
1226 | ||
6fb120a7 JS |
1227 | /** |
1228 | * lpfc_register_fcf - Register the FCF with hba. | |
1229 | * @phba: pointer to lpfc hba data structure. | |
1230 | * | |
1231 | * This routine issues a register fcfi mailbox command to register | |
1232 | * the fcf with HBA. | |
1233 | **/ | |
1234 | static void | |
1235 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1236 | { | |
1237 | LPFC_MBOXQ_t *fcf_mbxq; | |
1238 | int rc; | |
1239 | unsigned long flags; | |
1240 | ||
1241 | spin_lock_irqsave(&phba->hbalock, flags); | |
1242 | ||
1243 | /* If the FCF is not availabe do nothing. */ | |
1244 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { | |
4d9ab994 | 1245 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1246 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1247 | return; | |
1248 | } | |
1249 | ||
1250 | /* The FCF is already registered, start discovery */ | |
1251 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
ecfd03c6 | 1252 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
32b9793f | 1253 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1254 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1255 | if (phba->pport->port_state != LPFC_FLOGI) | |
1256 | lpfc_initial_flogi(phba->pport); | |
1257 | return; | |
1258 | } | |
1259 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1260 | ||
1261 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, | |
1262 | GFP_KERNEL); | |
4d9ab994 JS |
1263 | if (!fcf_mbxq) { |
1264 | spin_lock_irqsave(&phba->hbalock, flags); | |
1265 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1266 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1267 | return; |
4d9ab994 | 1268 | } |
6fb120a7 JS |
1269 | |
1270 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1271 | fcf_mbxq->vport = phba->pport; | |
1272 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1273 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 JS |
1274 | if (rc == MBX_NOT_FINISHED) { |
1275 | spin_lock_irqsave(&phba->hbalock, flags); | |
1276 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1277 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1278 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1279 | } |
6fb120a7 JS |
1280 | |
1281 | return; | |
1282 | } | |
1283 | ||
1284 | /** | |
1285 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1286 | * @phba: pointer to lpfc hba data structure. | |
1287 | * @new_fcf_record: pointer to fcf record. | |
1288 | * @boot_flag: Indicates if this record used by boot bios. | |
1289 | * @addr_mode: The address mode to be used by this FCF | |
ecfd03c6 | 1290 | * @vlan_id: The vlan id to be used as vlan tagging by this FCF. |
6fb120a7 JS |
1291 | * |
1292 | * This routine compare the fcf record with connect list obtained from the | |
1293 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1294 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1295 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1296 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1297 | * used for this FCF when the function returns. | |
1298 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1299 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
1300 | * be used with the FCF vlan_id will be set to 0xFFFF; | |
1301 | **/ | |
1302 | static int | |
1303 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1304 | struct fcf_record *new_fcf_record, | |
1305 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1306 | uint16_t *vlan_id) | |
1307 | { | |
1308 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1309 | int i, j, fcf_vlan_id = 0; |
1310 | ||
1311 | /* Find the lowest VLAN id in the FCF record */ | |
1312 | for (i = 0; i < 512; i++) { | |
1313 | if (new_fcf_record->vlan_bitmap[i]) { | |
1314 | fcf_vlan_id = i * 8; | |
1315 | j = 0; | |
1316 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1317 | j++; | |
1318 | fcf_vlan_id++; | |
1319 | } | |
1320 | break; | |
1321 | } | |
1322 | } | |
6fb120a7 | 1323 | |
0c287589 JS |
1324 | /* If FCF not available return 0 */ |
1325 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || | |
1326 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record)) | |
1327 | return 0; | |
1328 | ||
45ed1190 | 1329 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1330 | *boot_flag = 0; |
1331 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1332 | new_fcf_record); | |
1333 | if (phba->valid_vlan) | |
1334 | *vlan_id = phba->vlan_id; | |
1335 | else | |
1336 | *vlan_id = 0xFFFF; | |
1337 | return 1; | |
1338 | } | |
1339 | ||
1340 | /* | |
1341 | * If there are no FCF connection table entry, driver connect to all | |
1342 | * FCFs. | |
1343 | */ | |
1344 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1345 | *boot_flag = 0; | |
1346 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1347 | new_fcf_record); | |
0c287589 JS |
1348 | |
1349 | /* | |
1350 | * When there are no FCF connect entries, use driver's default | |
1351 | * addressing mode - FPMA. | |
1352 | */ | |
1353 | if (*addr_mode & LPFC_FCF_FPMA) | |
1354 | *addr_mode = LPFC_FCF_FPMA; | |
1355 | ||
4d9ab994 JS |
1356 | /* If FCF record report a vlan id use that vlan id */ |
1357 | if (fcf_vlan_id) | |
1358 | *vlan_id = fcf_vlan_id; | |
1359 | else | |
1360 | *vlan_id = 0xFFFF; | |
6fb120a7 JS |
1361 | return 1; |
1362 | } | |
1363 | ||
ecfd03c6 JS |
1364 | list_for_each_entry(conn_entry, |
1365 | &phba->fcf_conn_rec_list, list) { | |
6fb120a7 JS |
1366 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) |
1367 | continue; | |
1368 | ||
1369 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1370 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1371 | new_fcf_record)) |
1372 | continue; | |
1373 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1374 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1375 | new_fcf_record)) | |
6fb120a7 | 1376 | continue; |
6fb120a7 JS |
1377 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1378 | /* | |
1379 | * If the vlan bit map does not have the bit set for the | |
1380 | * vlan id to be used, then it is not a match. | |
1381 | */ | |
1382 | if (!(new_fcf_record->vlan_bitmap | |
1383 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1384 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1385 | continue; | |
1386 | } | |
1387 | ||
0c287589 JS |
1388 | /* |
1389 | * If connection record does not support any addressing mode, | |
1390 | * skip the FCF record. | |
1391 | */ | |
1392 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1393 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1394 | continue; | |
1395 | ||
6fb120a7 JS |
1396 | /* |
1397 | * Check if the connection record specifies a required | |
1398 | * addressing mode. | |
1399 | */ | |
1400 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1401 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1402 | ||
1403 | /* | |
1404 | * If SPMA required but FCF not support this continue. | |
1405 | */ | |
1406 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1407 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1408 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1409 | continue; | |
1410 | ||
1411 | /* | |
1412 | * If FPMA required but FCF not support this continue. | |
1413 | */ | |
1414 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1415 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1416 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1417 | continue; | |
1418 | } | |
1419 | ||
1420 | /* | |
1421 | * This fcf record matches filtering criteria. | |
1422 | */ | |
1423 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1424 | *boot_flag = 1; | |
1425 | else | |
1426 | *boot_flag = 0; | |
1427 | ||
0c287589 JS |
1428 | /* |
1429 | * If user did not specify any addressing mode, or if the | |
1430 | * prefered addressing mode specified by user is not supported | |
1431 | * by FCF, allow fabric to pick the addressing mode. | |
1432 | */ | |
6fb120a7 JS |
1433 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1434 | new_fcf_record); | |
1435 | /* | |
1436 | * If the user specified a required address mode, assign that | |
1437 | * address mode | |
1438 | */ | |
1439 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1440 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1441 | *addr_mode = (conn_entry->conn_rec.flags & | |
1442 | FCFCNCT_AM_SPMA) ? | |
1443 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1444 | /* | |
1445 | * If the user specified a prefered address mode, use the | |
1446 | * addr mode only if FCF support the addr_mode. | |
1447 | */ | |
1448 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1449 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1450 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1451 | (*addr_mode & LPFC_FCF_SPMA)) | |
1452 | *addr_mode = LPFC_FCF_SPMA; | |
1453 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1454 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1455 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1456 | (*addr_mode & LPFC_FCF_FPMA)) | |
1457 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1458 | |
4d9ab994 | 1459 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1460 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1461 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1462 | /* |
1463 | * If no vlan id is specified in connect list, use the vlan id | |
1464 | * in the FCF record | |
1465 | */ | |
1466 | else if (fcf_vlan_id) | |
1467 | *vlan_id = fcf_vlan_id; | |
6fb120a7 JS |
1468 | else |
1469 | *vlan_id = 0xFFFF; | |
1470 | ||
1471 | return 1; | |
1472 | } | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
32b9793f JS |
1477 | /** |
1478 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1479 | * @phba: pointer to lpfc hba data structure. | |
1480 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1481 | * | |
1482 | * This function check if there is any fcoe event pending while driver | |
1483 | * scan FCF entries. If there is any pending event, it will restart the | |
1484 | * FCF saning and return 1 else return 0. | |
1485 | */ | |
1486 | int | |
1487 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1488 | { | |
32b9793f JS |
1489 | /* |
1490 | * If the Link is up and no FCoE events while in the | |
1491 | * FCF discovery, no need to restart FCF discovery. | |
1492 | */ | |
1493 | if ((phba->link_state >= LPFC_LINK_UP) && | |
1494 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) | |
1495 | return 0; | |
1496 | ||
0c9ab6f5 JS |
1497 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1498 | "2768 Pending link or FCF event during current " | |
1499 | "handling of the previous event: link_state:x%x, " | |
1500 | "evt_tag_at_scan:x%x, evt_tag_current:x%x\n", | |
1501 | phba->link_state, phba->fcoe_eventtag_at_fcf_scan, | |
1502 | phba->fcoe_eventtag); | |
1503 | ||
32b9793f JS |
1504 | spin_lock_irq(&phba->hbalock); |
1505 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1506 | spin_unlock_irq(&phba->hbalock); | |
1507 | ||
0c9ab6f5 JS |
1508 | if (phba->link_state >= LPFC_LINK_UP) { |
1509 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
1510 | "2780 Restart FCF table scan due to " | |
1511 | "pending FCF event:evt_tag_at_scan:x%x, " | |
1512 | "evt_tag_current:x%x\n", | |
1513 | phba->fcoe_eventtag_at_fcf_scan, | |
1514 | phba->fcoe_eventtag); | |
1515 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1516 | } else { | |
4d9ab994 JS |
1517 | /* |
1518 | * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS | |
1519 | * flag | |
1520 | */ | |
1c6f4ef5 | 1521 | spin_lock_irq(&phba->hbalock); |
4d9ab994 | 1522 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
0c9ab6f5 | 1523 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); |
1c6f4ef5 JS |
1524 | spin_unlock_irq(&phba->hbalock); |
1525 | } | |
32b9793f | 1526 | |
0c9ab6f5 | 1527 | /* Unregister the currently registered FCF if required */ |
32b9793f JS |
1528 | if (unreg_fcf) { |
1529 | spin_lock_irq(&phba->hbalock); | |
1530 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1531 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 1532 | lpfc_sli4_unregister_fcf(phba); |
32b9793f | 1533 | } |
32b9793f JS |
1534 | return 1; |
1535 | } | |
1536 | ||
6fb120a7 | 1537 | /** |
999d813f JS |
1538 | * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record |
1539 | * @phba: pointer to lpfc hba data structure. | |
1540 | * @fcf_cnt: number of eligible fcf record seen so far. | |
1541 | * | |
1542 | * This function makes an running random selection decision on FCF record to | |
1543 | * use through a sequence of @fcf_cnt eligible FCF records with equal | |
1544 | * probability. To perform integer manunipulation of random numbers with | |
1545 | * size unit32_t, the lower 16 bits of the 32-bit random number returned | |
1546 | * from random32() are taken as the random random number generated. | |
1547 | * | |
1548 | * Returns true when outcome is for the newly read FCF record should be | |
1549 | * chosen; otherwise, return false when outcome is for keeping the previously | |
1550 | * chosen FCF record. | |
1551 | **/ | |
1552 | static bool | |
1553 | lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt) | |
1554 | { | |
1555 | uint32_t rand_num; | |
1556 | ||
1557 | /* Get 16-bit uniform random number */ | |
1558 | rand_num = (0xFFFF & random32()); | |
1559 | ||
1560 | /* Decision with probability 1/fcf_cnt */ | |
1561 | if ((fcf_cnt * rand_num) < 0xFFFF) | |
1562 | return true; | |
1563 | else | |
1564 | return false; | |
1565 | } | |
1566 | ||
1567 | /** | |
1568 | * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox. | |
6fb120a7 JS |
1569 | * @phba: pointer to lpfc hba data structure. |
1570 | * @mboxq: pointer to mailbox object. | |
0c9ab6f5 | 1571 | * @next_fcf_index: pointer to holder of next fcf index. |
6fb120a7 | 1572 | * |
0c9ab6f5 JS |
1573 | * This routine parses the non-embedded fcf mailbox command by performing the |
1574 | * necessarily error checking, non-embedded read FCF record mailbox command | |
1575 | * SGE parsing, and endianness swapping. | |
1576 | * | |
1577 | * Returns the pointer to the new FCF record in the non-embedded mailbox | |
1578 | * command DMA memory if successfully, other NULL. | |
6fb120a7 | 1579 | */ |
0c9ab6f5 JS |
1580 | static struct fcf_record * |
1581 | lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
1582 | uint16_t *next_fcf_index) | |
6fb120a7 JS |
1583 | { |
1584 | void *virt_addr; | |
1585 | dma_addr_t phys_addr; | |
6fb120a7 JS |
1586 | struct lpfc_mbx_sge sge; |
1587 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1588 | uint32_t shdr_status, shdr_add_status; | |
1589 | union lpfc_sli4_cfg_shdr *shdr; | |
1590 | struct fcf_record *new_fcf_record; | |
32b9793f | 1591 | |
6fb120a7 JS |
1592 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1593 | * routine only uses a single SGE. | |
1594 | */ | |
1595 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1596 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1597 | if (unlikely(!mboxq->sge_array)) { | |
1598 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1599 | "2524 Failed to get the non-embedded SGE " | |
1600 | "virtual address\n"); | |
0c9ab6f5 | 1601 | return NULL; |
6fb120a7 JS |
1602 | } |
1603 | virt_addr = mboxq->sge_array->addr[0]; | |
1604 | ||
1605 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
1606 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
0c9ab6f5 | 1607 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); |
6fb120a7 | 1608 | if (shdr_status || shdr_add_status) { |
0c9ab6f5 JS |
1609 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) |
1610 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 JS |
1611 | "2726 READ_FCF_RECORD Indicates empty " |
1612 | "FCF table.\n"); | |
0c9ab6f5 JS |
1613 | else |
1614 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 | 1615 | "2521 READ_FCF_RECORD mailbox failed " |
0c9ab6f5 JS |
1616 | "with status x%x add_status x%x, " |
1617 | "mbx\n", shdr_status, shdr_add_status); | |
1618 | return NULL; | |
6fb120a7 | 1619 | } |
0c9ab6f5 JS |
1620 | |
1621 | /* Interpreting the returned information of the FCF record */ | |
6fb120a7 JS |
1622 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; |
1623 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1624 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
0c9ab6f5 | 1625 | *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); |
6fb120a7 JS |
1626 | new_fcf_record = (struct fcf_record *)(virt_addr + |
1627 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1628 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
cb5172ea JS |
1629 | offsetof(struct fcf_record, vlan_bitmap)); |
1630 | new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137); | |
1631 | new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138); | |
6fb120a7 | 1632 | |
0c9ab6f5 JS |
1633 | return new_fcf_record; |
1634 | } | |
1635 | ||
1636 | /** | |
1637 | * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record | |
1638 | * @phba: pointer to lpfc hba data structure. | |
1639 | * @fcf_record: pointer to the fcf record. | |
1640 | * @vlan_id: the lowest vlan identifier associated to this fcf record. | |
1641 | * @next_fcf_index: the index to the next fcf record in hba's fcf table. | |
1642 | * | |
1643 | * This routine logs the detailed FCF record if the LOG_FIP loggin is | |
1644 | * enabled. | |
1645 | **/ | |
1646 | static void | |
1647 | lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba, | |
1648 | struct fcf_record *fcf_record, | |
1649 | uint16_t vlan_id, | |
1650 | uint16_t next_fcf_index) | |
1651 | { | |
1652 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1653 | "2764 READ_FCF_RECORD:\n" | |
1654 | "\tFCF_Index : x%x\n" | |
1655 | "\tFCF_Avail : x%x\n" | |
1656 | "\tFCF_Valid : x%x\n" | |
1657 | "\tFIP_Priority : x%x\n" | |
1658 | "\tMAC_Provider : x%x\n" | |
1659 | "\tLowest VLANID : x%x\n" | |
1660 | "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n" | |
1661 | "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1662 | "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1663 | "\tNext_FCF_Index: x%x\n", | |
1664 | bf_get(lpfc_fcf_record_fcf_index, fcf_record), | |
1665 | bf_get(lpfc_fcf_record_fcf_avail, fcf_record), | |
1666 | bf_get(lpfc_fcf_record_fcf_valid, fcf_record), | |
1667 | fcf_record->fip_priority, | |
1668 | bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record), | |
1669 | vlan_id, | |
1670 | bf_get(lpfc_fcf_record_mac_0, fcf_record), | |
1671 | bf_get(lpfc_fcf_record_mac_1, fcf_record), | |
1672 | bf_get(lpfc_fcf_record_mac_2, fcf_record), | |
1673 | bf_get(lpfc_fcf_record_mac_3, fcf_record), | |
1674 | bf_get(lpfc_fcf_record_mac_4, fcf_record), | |
1675 | bf_get(lpfc_fcf_record_mac_5, fcf_record), | |
1676 | bf_get(lpfc_fcf_record_fab_name_0, fcf_record), | |
1677 | bf_get(lpfc_fcf_record_fab_name_1, fcf_record), | |
1678 | bf_get(lpfc_fcf_record_fab_name_2, fcf_record), | |
1679 | bf_get(lpfc_fcf_record_fab_name_3, fcf_record), | |
1680 | bf_get(lpfc_fcf_record_fab_name_4, fcf_record), | |
1681 | bf_get(lpfc_fcf_record_fab_name_5, fcf_record), | |
1682 | bf_get(lpfc_fcf_record_fab_name_6, fcf_record), | |
1683 | bf_get(lpfc_fcf_record_fab_name_7, fcf_record), | |
1684 | bf_get(lpfc_fcf_record_switch_name_0, fcf_record), | |
1685 | bf_get(lpfc_fcf_record_switch_name_1, fcf_record), | |
1686 | bf_get(lpfc_fcf_record_switch_name_2, fcf_record), | |
1687 | bf_get(lpfc_fcf_record_switch_name_3, fcf_record), | |
1688 | bf_get(lpfc_fcf_record_switch_name_4, fcf_record), | |
1689 | bf_get(lpfc_fcf_record_switch_name_5, fcf_record), | |
1690 | bf_get(lpfc_fcf_record_switch_name_6, fcf_record), | |
1691 | bf_get(lpfc_fcf_record_switch_name_7, fcf_record), | |
1692 | next_fcf_index); | |
1693 | } | |
1694 | ||
1695 | /** | |
1696 | * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. | |
1697 | * @phba: pointer to lpfc hba data structure. | |
1698 | * @mboxq: pointer to mailbox object. | |
1699 | * | |
1700 | * This function iterates through all the fcf records available in | |
1701 | * HBA and chooses the optimal FCF record for discovery. After finding | |
1702 | * the FCF for discovery it registers the FCF record and kicks start | |
1703 | * discovery. | |
1704 | * If FCF_IN_USE flag is set in currently used FCF, the routine tries to | |
1705 | * use an FCF record which matches fabric name and mac address of the | |
1706 | * currently used FCF record. | |
1707 | * If the driver supports only one FCF, it will try to use the FCF record | |
1708 | * used by BOOT_BIOS. | |
1709 | */ | |
1710 | void | |
1711 | lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1712 | { | |
1713 | struct fcf_record *new_fcf_record; | |
1714 | uint32_t boot_flag, addr_mode; | |
1715 | uint16_t fcf_index, next_fcf_index; | |
1716 | struct lpfc_fcf_rec *fcf_rec = NULL; | |
1717 | uint16_t vlan_id; | |
999d813f JS |
1718 | uint32_t seed; |
1719 | bool select_new_fcf; | |
0c9ab6f5 JS |
1720 | int rc; |
1721 | ||
1722 | /* If there is pending FCoE event restart FCF table scan */ | |
1723 | if (lpfc_check_pending_fcoe_event(phba, 0)) { | |
1724 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1725 | return; | |
1726 | } | |
1727 | ||
1728 | /* Parse the FCF record from the non-embedded mailbox command */ | |
1729 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
1730 | &next_fcf_index); | |
1731 | if (!new_fcf_record) { | |
1732 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1733 | "2765 Mailbox command READ_FCF_RECORD " | |
1734 | "failed to retrieve a FCF record.\n"); | |
1735 | /* Let next new FCF event trigger fast failover */ | |
1736 | spin_lock_irq(&phba->hbalock); | |
1737 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1738 | spin_unlock_irq(&phba->hbalock); | |
1739 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1740 | return; | |
1741 | } | |
1742 | ||
1743 | /* Check the FCF record against the connection list */ | |
ecfd03c6 JS |
1744 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
1745 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
1746 | |
1747 | /* Log the FCF record information if turned on */ | |
1748 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
1749 | next_fcf_index); | |
1750 | ||
6fb120a7 JS |
1751 | /* |
1752 | * If the fcf record does not match with connect list entries | |
0c9ab6f5 JS |
1753 | * read the next entry; otherwise, this is an eligible FCF |
1754 | * record for round robin FCF failover. | |
6fb120a7 | 1755 | */ |
0c9ab6f5 JS |
1756 | if (!rc) { |
1757 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1758 | "2781 FCF record fcf_index:x%x failed FCF " | |
1759 | "connection list check, fcf_avail:x%x, " | |
1760 | "fcf_valid:x%x\n", | |
1761 | bf_get(lpfc_fcf_record_fcf_index, | |
1762 | new_fcf_record), | |
1763 | bf_get(lpfc_fcf_record_fcf_avail, | |
1764 | new_fcf_record), | |
1765 | bf_get(lpfc_fcf_record_fcf_valid, | |
1766 | new_fcf_record)); | |
6fb120a7 | 1767 | goto read_next_fcf; |
0c9ab6f5 JS |
1768 | } else { |
1769 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1770 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
1771 | if (rc) | |
1772 | goto read_next_fcf; | |
1773 | } | |
1774 | ||
6fb120a7 JS |
1775 | /* |
1776 | * If this is not the first FCF discovery of the HBA, use last | |
ecfd03c6 JS |
1777 | * FCF record for the discovery. The condition that a rescan |
1778 | * matches the in-use FCF record: fabric name, switch name, mac | |
1779 | * address, and vlan_id. | |
6fb120a7 | 1780 | */ |
0c9ab6f5 | 1781 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 1782 | if (phba->fcf.fcf_flag & FCF_IN_USE) { |
ecfd03c6 | 1783 | if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name, |
8fa38513 | 1784 | new_fcf_record) && |
ecfd03c6 | 1785 | lpfc_sw_name_match(phba->fcf.current_rec.switch_name, |
8fa38513 | 1786 | new_fcf_record) && |
ecfd03c6 JS |
1787 | lpfc_mac_addr_match(phba->fcf.current_rec.mac_addr, |
1788 | new_fcf_record) && | |
1789 | lpfc_vlan_id_match(phba->fcf.current_rec.vlan_id, | |
1790 | vlan_id)) { | |
6fb120a7 | 1791 | phba->fcf.fcf_flag |= FCF_AVAILABLE; |
ecfd03c6 JS |
1792 | if (phba->fcf.fcf_flag & FCF_REDISC_PEND) |
1793 | /* Stop FCF redisc wait timer if pending */ | |
1794 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
1795 | else if (phba->fcf.fcf_flag & FCF_REDISC_FOV) | |
1796 | /* If in fast failover, mark it's completed */ | |
fc2b989b | 1797 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | |
0c9ab6f5 JS |
1798 | FCF_DISCOVERY); |
1799 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
1800 | goto out; |
1801 | } | |
ecfd03c6 JS |
1802 | /* |
1803 | * Read next FCF record from HBA searching for the matching | |
1804 | * with in-use record only if not during the fast failover | |
1805 | * period. In case of fast failover period, it shall try to | |
1806 | * determine whether the FCF record just read should be the | |
1807 | * next candidate. | |
1808 | */ | |
1809 | if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
0c9ab6f5 | 1810 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
1811 | goto read_next_fcf; |
1812 | } | |
6fb120a7 | 1813 | } |
ecfd03c6 JS |
1814 | /* |
1815 | * Update on failover FCF record only if it's in FCF fast-failover | |
1816 | * period; otherwise, update on current FCF record. | |
1817 | */ | |
fc2b989b JS |
1818 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) |
1819 | fcf_rec = &phba->fcf.failover_rec; | |
1820 | else | |
ecfd03c6 JS |
1821 | fcf_rec = &phba->fcf.current_rec; |
1822 | ||
6fb120a7 JS |
1823 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { |
1824 | /* | |
ecfd03c6 JS |
1825 | * If the driver FCF record does not have boot flag |
1826 | * set and new hba fcf record has boot flag set, use | |
1827 | * the new hba fcf record. | |
6fb120a7 | 1828 | */ |
ecfd03c6 JS |
1829 | if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) { |
1830 | /* Choose this FCF record */ | |
1831 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, | |
1832 | addr_mode, vlan_id, BOOT_ENABLE); | |
0c9ab6f5 | 1833 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1834 | goto read_next_fcf; |
1835 | } | |
1836 | /* | |
ecfd03c6 JS |
1837 | * If the driver FCF record has boot flag set and the |
1838 | * new hba FCF record does not have boot flag, read | |
1839 | * the next FCF record. | |
6fb120a7 | 1840 | */ |
ecfd03c6 | 1841 | if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) { |
0c9ab6f5 | 1842 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1843 | goto read_next_fcf; |
1844 | } | |
1845 | /* | |
ecfd03c6 JS |
1846 | * If the new hba FCF record has lower priority value |
1847 | * than the driver FCF record, use the new record. | |
6fb120a7 | 1848 | */ |
fc2b989b | 1849 | if (new_fcf_record->fip_priority < fcf_rec->priority) { |
999d813f | 1850 | /* Choose the new FCF record with lower priority */ |
ecfd03c6 JS |
1851 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
1852 | addr_mode, vlan_id, 0); | |
999d813f JS |
1853 | /* Reset running random FCF selection count */ |
1854 | phba->fcf.eligible_fcf_cnt = 1; | |
1855 | } else if (new_fcf_record->fip_priority == fcf_rec->priority) { | |
1856 | /* Update running random FCF selection count */ | |
1857 | phba->fcf.eligible_fcf_cnt++; | |
1858 | select_new_fcf = lpfc_sli4_new_fcf_random_select(phba, | |
1859 | phba->fcf.eligible_fcf_cnt); | |
1860 | if (select_new_fcf) | |
1861 | /* Choose the new FCF by random selection */ | |
1862 | __lpfc_update_fcf_record(phba, fcf_rec, | |
1863 | new_fcf_record, | |
1864 | addr_mode, vlan_id, 0); | |
6fb120a7 | 1865 | } |
0c9ab6f5 | 1866 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1867 | goto read_next_fcf; |
1868 | } | |
1869 | /* | |
ecfd03c6 JS |
1870 | * This is the first suitable FCF record, choose this record for |
1871 | * initial best-fit FCF. | |
6fb120a7 | 1872 | */ |
ecfd03c6 JS |
1873 | if (fcf_rec) { |
1874 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, | |
1875 | addr_mode, vlan_id, (boot_flag ? | |
1876 | BOOT_ENABLE : 0)); | |
1877 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
999d813f JS |
1878 | /* Setup initial running random FCF selection count */ |
1879 | phba->fcf.eligible_fcf_cnt = 1; | |
1880 | /* Seeding the random number generator for random selection */ | |
1881 | seed = (uint32_t)(0xFFFFFFFF & jiffies); | |
1882 | srandom32(seed); | |
6fb120a7 | 1883 | } |
0c9ab6f5 | 1884 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1885 | goto read_next_fcf; |
1886 | ||
1887 | read_next_fcf: | |
1888 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
ecfd03c6 JS |
1889 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) { |
1890 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) { | |
1891 | /* | |
1892 | * Case of FCF fast failover scan | |
1893 | */ | |
1894 | ||
1895 | /* | |
1896 | * It has not found any suitable FCF record, cancel | |
1897 | * FCF scan inprogress, and do nothing | |
1898 | */ | |
1899 | if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { | |
0c9ab6f5 JS |
1900 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
1901 | "2782 No suitable FCF record " | |
1902 | "found during this round of " | |
1903 | "post FCF rediscovery scan: " | |
1904 | "fcf_evt_tag:x%x, fcf_index: " | |
1905 | "x%x\n", | |
1906 | phba->fcoe_eventtag_at_fcf_scan, | |
1907 | bf_get(lpfc_fcf_record_fcf_index, | |
1908 | new_fcf_record)); | |
1909 | /* | |
1910 | * Let next new FCF event trigger fast | |
1911 | * failover | |
1912 | */ | |
1913 | spin_lock_irq(&phba->hbalock); | |
ecfd03c6 | 1914 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
0c9ab6f5 | 1915 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
1916 | return; |
1917 | } | |
1918 | /* | |
1919 | * It has found a suitable FCF record that is not | |
1920 | * the same as in-use FCF record, unregister the | |
1921 | * in-use FCF record, replace the in-use FCF record | |
1922 | * with the new FCF record, mark FCF fast failover | |
1923 | * completed, and then start register the new FCF | |
1924 | * record. | |
1925 | */ | |
1926 | ||
0c9ab6f5 | 1927 | /* Unregister the current in-use FCF record */ |
ecfd03c6 | 1928 | lpfc_unregister_fcf(phba); |
0c9ab6f5 JS |
1929 | |
1930 | /* Replace in-use record with the new record */ | |
ecfd03c6 JS |
1931 | memcpy(&phba->fcf.current_rec, |
1932 | &phba->fcf.failover_rec, | |
1933 | sizeof(struct lpfc_fcf_rec)); | |
1934 | /* mark the FCF fast failover completed */ | |
0c9ab6f5 JS |
1935 | spin_lock_irq(&phba->hbalock); |
1936 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; | |
1937 | spin_unlock_irq(&phba->hbalock); | |
1938 | /* | |
1939 | * Set up the initial registered FCF index for FLOGI | |
1940 | * round robin FCF failover. | |
1941 | */ | |
1942 | phba->fcf.fcf_rr_init_indx = | |
1943 | phba->fcf.failover_rec.fcf_indx; | |
ecfd03c6 JS |
1944 | /* Register to the new FCF record */ |
1945 | lpfc_register_fcf(phba); | |
1946 | } else { | |
1947 | /* | |
1948 | * In case of transaction period to fast FCF failover, | |
1949 | * do nothing when search to the end of the FCF table. | |
1950 | */ | |
1951 | if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) || | |
1952 | (phba->fcf.fcf_flag & FCF_REDISC_PEND)) | |
1953 | return; | |
1954 | /* | |
1955 | * Otherwise, initial scan or post linkdown rescan, | |
0c9ab6f5 JS |
1956 | * register with the best FCF record found so far |
1957 | * through the FCF scanning process. | |
1958 | */ | |
1959 | ||
1960 | /* mark the initial FCF discovery completed */ | |
1961 | spin_lock_irq(&phba->hbalock); | |
1962 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
1963 | spin_unlock_irq(&phba->hbalock); | |
1964 | /* | |
1965 | * Set up the initial registered FCF index for FLOGI | |
1966 | * round robin FCF failover | |
ecfd03c6 | 1967 | */ |
0c9ab6f5 JS |
1968 | phba->fcf.fcf_rr_init_indx = |
1969 | phba->fcf.current_rec.fcf_indx; | |
1970 | /* Register to the new FCF record */ | |
ecfd03c6 JS |
1971 | lpfc_register_fcf(phba); |
1972 | } | |
1973 | } else | |
0c9ab6f5 | 1974 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index); |
6fb120a7 JS |
1975 | return; |
1976 | ||
1977 | out: | |
1978 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1979 | lpfc_register_fcf(phba); | |
1980 | ||
1981 | return; | |
1982 | } | |
1983 | ||
0c9ab6f5 JS |
1984 | /** |
1985 | * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler | |
1986 | * @phba: pointer to lpfc hba data structure. | |
1987 | * @mboxq: pointer to mailbox object. | |
1988 | * | |
1989 | * This is the callback function for FLOGI failure round robin FCF failover | |
1990 | * read FCF record mailbox command from the eligible FCF record bmask for | |
1991 | * performing the failover. If the FCF read back is not valid/available, it | |
1992 | * fails through to retrying FLOGI to the currently registered FCF again. | |
1993 | * Otherwise, if the FCF read back is valid and available, it will set the | |
1994 | * newly read FCF record to the failover FCF record, unregister currently | |
1995 | * registered FCF record, copy the failover FCF record to the current | |
1996 | * FCF record, and then register the current FCF record before proceeding | |
1997 | * to trying FLOGI on the new failover FCF. | |
1998 | */ | |
1999 | void | |
2000 | lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2001 | { | |
2002 | struct fcf_record *new_fcf_record; | |
2003 | uint32_t boot_flag, addr_mode; | |
2004 | uint16_t next_fcf_index; | |
2005 | uint16_t current_fcf_index; | |
2006 | uint16_t vlan_id; | |
2007 | ||
2008 | /* If link state is not up, stop the round robin failover process */ | |
2009 | if (phba->link_state < LPFC_LINK_UP) { | |
2010 | spin_lock_irq(&phba->hbalock); | |
2011 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
2012 | spin_unlock_irq(&phba->hbalock); | |
2013 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2014 | return; | |
2015 | } | |
2016 | ||
2017 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2018 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2019 | &next_fcf_index); | |
2020 | if (!new_fcf_record) { | |
2021 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2022 | "2766 Mailbox command READ_FCF_RECORD " | |
2023 | "failed to retrieve a FCF record.\n"); | |
2024 | goto out; | |
2025 | } | |
2026 | ||
2027 | /* Get the needed parameters from FCF record */ | |
2028 | lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2029 | &addr_mode, &vlan_id); | |
2030 | ||
2031 | /* Log the FCF record information if turned on */ | |
2032 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2033 | next_fcf_index); | |
2034 | ||
2035 | /* Upload new FCF record to the failover FCF record */ | |
2036 | spin_lock_irq(&phba->hbalock); | |
2037 | __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, | |
2038 | new_fcf_record, addr_mode, vlan_id, | |
2039 | (boot_flag ? BOOT_ENABLE : 0)); | |
2040 | spin_unlock_irq(&phba->hbalock); | |
2041 | ||
2042 | current_fcf_index = phba->fcf.current_rec.fcf_indx; | |
2043 | ||
2044 | /* Unregister the current in-use FCF record */ | |
2045 | lpfc_unregister_fcf(phba); | |
2046 | ||
2047 | /* Replace in-use record with the new record */ | |
2048 | memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec, | |
2049 | sizeof(struct lpfc_fcf_rec)); | |
2050 | ||
2051 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2052 | "2783 FLOGI round robin FCF failover from FCF " | |
2053 | "(index:x%x) to FCF (index:x%x).\n", | |
2054 | current_fcf_index, | |
2055 | bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); | |
2056 | ||
2057 | out: | |
2058 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2059 | lpfc_register_fcf(phba); | |
2060 | } | |
2061 | ||
2062 | /** | |
2063 | * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler. | |
2064 | * @phba: pointer to lpfc hba data structure. | |
2065 | * @mboxq: pointer to mailbox object. | |
2066 | * | |
2067 | * This is the callback function of read FCF record mailbox command for | |
2068 | * updating the eligible FCF bmask for FLOGI failure round robin FCF | |
2069 | * failover when a new FCF event happened. If the FCF read back is | |
2070 | * valid/available and it passes the connection list check, it updates | |
2071 | * the bmask for the eligible FCF record for round robin failover. | |
2072 | */ | |
2073 | void | |
2074 | lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2075 | { | |
2076 | struct fcf_record *new_fcf_record; | |
2077 | uint32_t boot_flag, addr_mode; | |
2078 | uint16_t fcf_index, next_fcf_index; | |
2079 | uint16_t vlan_id; | |
2080 | int rc; | |
2081 | ||
2082 | /* If link state is not up, no need to proceed */ | |
2083 | if (phba->link_state < LPFC_LINK_UP) | |
2084 | goto out; | |
2085 | ||
2086 | /* If FCF discovery period is over, no need to proceed */ | |
2087 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) | |
2088 | goto out; | |
2089 | ||
2090 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2091 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2092 | &next_fcf_index); | |
2093 | if (!new_fcf_record) { | |
2094 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2095 | "2767 Mailbox command READ_FCF_RECORD " | |
2096 | "failed to retrieve a FCF record.\n"); | |
2097 | goto out; | |
2098 | } | |
2099 | ||
2100 | /* Check the connection list for eligibility */ | |
2101 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2102 | &addr_mode, &vlan_id); | |
2103 | ||
2104 | /* Log the FCF record information if turned on */ | |
2105 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2106 | next_fcf_index); | |
2107 | ||
2108 | if (!rc) | |
2109 | goto out; | |
2110 | ||
2111 | /* Update the eligible FCF record index bmask */ | |
2112 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
2113 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
2114 | ||
2115 | out: | |
2116 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2117 | } | |
2118 | ||
1c6834a7 JS |
2119 | /** |
2120 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
2121 | * @phba: pointer to lpfc hba data structure. | |
2122 | * @mboxq: pointer to mailbox data structure. | |
2123 | * | |
2124 | * This function handles completion of init vpi mailbox command. | |
2125 | */ | |
695a814e | 2126 | void |
1c6834a7 JS |
2127 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
2128 | { | |
2129 | struct lpfc_vport *vport = mboxq->vport; | |
695a814e | 2130 | struct lpfc_nodelist *ndlp; |
72100cc4 JS |
2131 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2132 | ||
1c6834a7 JS |
2133 | if (mboxq->u.mb.mbxStatus) { |
2134 | lpfc_printf_vlog(vport, KERN_ERR, | |
2135 | LOG_MBOX, | |
2136 | "2609 Init VPI mailbox failed 0x%x\n", | |
2137 | mboxq->u.mb.mbxStatus); | |
2138 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2139 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2140 | return; | |
2141 | } | |
72100cc4 | 2142 | spin_lock_irq(shost->host_lock); |
1c6834a7 | 2143 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2144 | spin_unlock_irq(shost->host_lock); |
1c6834a7 | 2145 | |
695a814e JS |
2146 | /* If this port is physical port or FDISC is done, do reg_vpi */ |
2147 | if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) { | |
2148 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
2149 | if (!ndlp) | |
2150 | lpfc_printf_vlog(vport, KERN_ERR, | |
2151 | LOG_DISCOVERY, | |
2152 | "2731 Cannot find fabric " | |
2153 | "controller node\n"); | |
2154 | else | |
2155 | lpfc_register_new_vport(phba, vport, ndlp); | |
2156 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2157 | return; | |
2158 | } | |
2159 | ||
1c6834a7 JS |
2160 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2161 | lpfc_initial_fdisc(vport); | |
2162 | else { | |
2163 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
2164 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2165 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 | 2166 | } |
695a814e | 2167 | mempool_free(mboxq, phba->mbox_mem_pool); |
1c6834a7 JS |
2168 | return; |
2169 | } | |
2170 | ||
ecfd03c6 JS |
2171 | /** |
2172 | * lpfc_issue_init_vpi - Issue init_vpi mailbox command. | |
2173 | * @vport: pointer to lpfc_vport data structure. | |
2174 | * | |
2175 | * This function issue a init_vpi mailbox command to initialize | |
2176 | * VPI for the vport. | |
2177 | */ | |
2178 | void | |
2179 | lpfc_issue_init_vpi(struct lpfc_vport *vport) | |
2180 | { | |
2181 | LPFC_MBOXQ_t *mboxq; | |
2182 | int rc; | |
2183 | ||
2184 | mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL); | |
2185 | if (!mboxq) { | |
2186 | lpfc_printf_vlog(vport, KERN_ERR, | |
2187 | LOG_MBOX, "2607 Failed to allocate " | |
2188 | "init_vpi mailbox\n"); | |
2189 | return; | |
2190 | } | |
2191 | lpfc_init_vpi(vport->phba, mboxq, vport->vpi); | |
2192 | mboxq->vport = vport; | |
2193 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
2194 | rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT); | |
2195 | if (rc == MBX_NOT_FINISHED) { | |
2196 | lpfc_printf_vlog(vport, KERN_ERR, | |
2197 | LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n"); | |
2198 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2199 | } | |
2200 | } | |
2201 | ||
6fb120a7 JS |
2202 | /** |
2203 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
2204 | * @phba: pointer to lpfc hba data structure. | |
2205 | * | |
2206 | * This function loops through the list of vports on the @phba and issues an | |
2207 | * FDISC if possible. | |
2208 | */ | |
2209 | void | |
2210 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
2211 | { | |
2212 | struct lpfc_vport **vports; | |
2213 | int i; | |
2214 | ||
2215 | vports = lpfc_create_vport_work_array(phba); | |
2216 | if (vports != NULL) { | |
2217 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2218 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
2219 | continue; | |
2220 | /* There are no vpi for this vport */ | |
2221 | if (vports[i]->vpi > phba->max_vpi) { | |
2222 | lpfc_vport_set_state(vports[i], | |
2223 | FC_VPORT_FAILED); | |
2224 | continue; | |
2225 | } | |
2226 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2227 | lpfc_vport_set_state(vports[i], | |
2228 | FC_VPORT_LINKDOWN); | |
2229 | continue; | |
2230 | } | |
1c6834a7 | 2231 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
ecfd03c6 | 2232 | lpfc_issue_init_vpi(vports[i]); |
1c6834a7 JS |
2233 | continue; |
2234 | } | |
6fb120a7 JS |
2235 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2236 | lpfc_initial_fdisc(vports[i]); | |
2237 | else { | |
2238 | lpfc_vport_set_state(vports[i], | |
2239 | FC_VPORT_NO_FABRIC_SUPP); | |
2240 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
2241 | LOG_ELS, | |
2242 | "0259 No NPIV " | |
2243 | "Fabric support\n"); | |
2244 | } | |
2245 | } | |
2246 | } | |
2247 | lpfc_destroy_vport_work_array(phba, vports); | |
2248 | } | |
2249 | ||
2250 | void | |
2251 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2252 | { | |
2253 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
2254 | struct lpfc_vport *vport = mboxq->vport; | |
72100cc4 | 2255 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
2256 | |
2257 | if (mboxq->u.mb.mbxStatus) { | |
2258 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
2259 | "2018 REG_VFI mbxStatus error x%x " | |
2260 | "HBA state x%x\n", | |
2261 | mboxq->u.mb.mbxStatus, vport->port_state); | |
2262 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2263 | /* FLOGI failed, use loop map to make discovery list */ | |
2264 | lpfc_disc_list_loopmap(vport); | |
2265 | /* Start discovery */ | |
2266 | lpfc_disc_start(vport); | |
2267 | goto fail_free_mem; | |
2268 | } | |
2269 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2270 | goto fail_free_mem; | |
2271 | } | |
c868595d | 2272 | /* The VPI is implicitly registered when the VFI is registered */ |
72100cc4 | 2273 | spin_lock_irq(shost->host_lock); |
c868595d | 2274 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2275 | vport->fc_flag |= FC_VFI_REGISTERED; |
695a814e | 2276 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2277 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
2278 | |
2279 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { | |
2280 | lpfc_start_fdiscs(phba); | |
2281 | lpfc_do_scr_ns_plogi(phba, vport); | |
2282 | } | |
2283 | ||
2284 | fail_free_mem: | |
2285 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2286 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2287 | kfree(dmabuf); | |
2288 | return; | |
2289 | } | |
2290 | ||
dea3101e | 2291 | static void |
2e0fef85 | 2292 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2293 | { |
6fb120a7 | 2294 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2295 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 2296 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2297 | |
2298 | ||
2299 | /* Check for error */ | |
2300 | if (mb->mbxStatus) { | |
2301 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
2302 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2303 | "0319 READ_SPARAM mbxStatus error x%x " | |
2304 | "hba state x%x>\n", | |
2305 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2306 | lpfc_linkdown(phba); |
dea3101e | 2307 | goto out; |
2308 | } | |
2309 | ||
2e0fef85 | 2310 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 2311 | sizeof (struct serv_parm)); |
a12e07bc | 2312 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
2313 | u64_to_wwn(phba->cfg_soft_wwnn, |
2314 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 2315 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
2316 | u64_to_wwn(phba->cfg_soft_wwpn, |
2317 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
2318 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
2319 | sizeof(vport->fc_nodename)); | |
2320 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
2321 | sizeof(vport->fc_portname)); | |
2322 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2323 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
2324 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
2325 | } | |
2326 | ||
dea3101e | 2327 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2328 | kfree(mp); | |
2e0fef85 | 2329 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2330 | return; |
2331 | ||
2332 | out: | |
2333 | pmb->context1 = NULL; | |
2334 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2335 | kfree(mp); | |
92d7f7b0 JS |
2336 | lpfc_issue_clear_la(phba, vport); |
2337 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2338 | return; |
2339 | } | |
2340 | ||
2341 | static void | |
92d7f7b0 | 2342 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 2343 | { |
92d7f7b0 | 2344 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 2345 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
2e0fef85 | 2346 | int i; |
14691150 JS |
2347 | struct lpfc_dmabuf *mp; |
2348 | int rc; | |
6fb120a7 | 2349 | struct fcf_record *fcf_record; |
14691150 | 2350 | |
92d7f7b0 | 2351 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 2352 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
2353 | case LA_1GHZ_LINK: |
2354 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
2355 | break; | |
2356 | case LA_2GHZ_LINK: | |
2357 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
2358 | break; | |
2359 | case LA_4GHZ_LINK: | |
2360 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
2361 | break; | |
2362 | case LA_8GHZ_LINK: | |
2363 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
2364 | break; | |
f4b4c68f JS |
2365 | case LA_10GHZ_LINK: |
2366 | phba->fc_linkspeed = LA_10GHZ_LINK; | |
2367 | break; | |
92d7f7b0 JS |
2368 | default: |
2369 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
2370 | break; | |
dea3101e | 2371 | } |
2372 | ||
2373 | phba->fc_topology = la->topology; | |
92d7f7b0 | 2374 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 2375 | |
2376 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 2377 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 2378 | |
6a9c52cf JS |
2379 | /* if npiv is enabled and this adapter supports npiv log |
2380 | * a message that npiv is not supported in this topology | |
2381 | */ | |
2382 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
2383 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
2384 | "1309 Link Up Event npiv not supported in loop " | |
2385 | "topology\n"); | |
92d7f7b0 | 2386 | /* Get Loop Map information */ |
dea3101e | 2387 | if (la->il) |
2e0fef85 | 2388 | vport->fc_flag |= FC_LBIT; |
dea3101e | 2389 | |
2e0fef85 | 2390 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 2391 | i = la->un.lilpBde64.tus.f.bdeSize; |
2392 | ||
2393 | if (i == 0) { | |
2394 | phba->alpa_map[0] = 0; | |
2395 | } else { | |
e8b62011 | 2396 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 2397 | int numalpa, j, k; |
2398 | union { | |
2399 | uint8_t pamap[16]; | |
2400 | struct { | |
2401 | uint32_t wd1; | |
2402 | uint32_t wd2; | |
2403 | uint32_t wd3; | |
2404 | uint32_t wd4; | |
2405 | } pa; | |
2406 | } un; | |
2407 | numalpa = phba->alpa_map[0]; | |
2408 | j = 0; | |
2409 | while (j < numalpa) { | |
2410 | memset(un.pamap, 0, 16); | |
2411 | for (k = 1; j < numalpa; k++) { | |
2412 | un.pamap[k - 1] = | |
2413 | phba->alpa_map[j + 1]; | |
2414 | j++; | |
2415 | if (k == 16) | |
2416 | break; | |
2417 | } | |
2418 | /* Link Up Event ALPA map */ | |
2419 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
2420 | KERN_WARNING, |
2421 | LOG_LINK_EVENT, | |
e8b62011 | 2422 | "1304 Link Up Event " |
92d7f7b0 JS |
2423 | "ALPA map Data: x%x " |
2424 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
2425 | un.pa.wd1, un.pa.wd2, |
2426 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 2427 | } |
2428 | } | |
2429 | } | |
2430 | } else { | |
92d7f7b0 | 2431 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 2432 | if (phba->max_vpi && phba->cfg_enable_npiv && |
92d7f7b0 JS |
2433 | (phba->sli_rev == 3)) |
2434 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
2435 | } | |
2e0fef85 JS |
2436 | vport->fc_myDID = phba->fc_pref_DID; |
2437 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 2438 | } |
92d7f7b0 | 2439 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2440 | |
2441 | lpfc_linkup(phba); | |
9f1177a3 JS |
2442 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2443 | if (!sparam_mbox) | |
2444 | goto out; | |
2445 | ||
2446 | rc = lpfc_read_sparam(phba, sparam_mbox, 0); | |
2447 | if (rc) { | |
2448 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2449 | goto out; | |
2450 | } | |
2451 | sparam_mbox->vport = vport; | |
2452 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
2453 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); | |
2454 | if (rc == MBX_NOT_FINISHED) { | |
2455 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
2456 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2457 | kfree(mp); | |
2458 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2459 | goto out; | |
dea3101e | 2460 | } |
2461 | ||
6fb120a7 JS |
2462 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) { |
2463 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2464 | if (!cfglink_mbox) | |
2465 | goto out; | |
2e0fef85 | 2466 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 2467 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 2468 | cfglink_mbox->vport = vport; |
25594c6b | 2469 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 2470 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
2471 | if (rc == MBX_NOT_FINISHED) { |
2472 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
2473 | goto out; | |
2474 | } | |
2475 | } else { | |
32b9793f | 2476 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
2477 | /* |
2478 | * Add the driver's default FCF record at FCF index 0 now. This | |
2479 | * is phase 1 implementation that support FCF index 0 and driver | |
2480 | * defaults. | |
2481 | */ | |
45ed1190 | 2482 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
2483 | fcf_record = kzalloc(sizeof(struct fcf_record), |
2484 | GFP_KERNEL); | |
2485 | if (unlikely(!fcf_record)) { | |
2486 | lpfc_printf_log(phba, KERN_ERR, | |
2487 | LOG_MBOX | LOG_SLI, | |
2488 | "2554 Could not allocate memmory for " | |
2489 | "fcf record\n"); | |
2490 | rc = -ENODEV; | |
2491 | goto out; | |
2492 | } | |
2493 | ||
2494 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
2495 | LPFC_FCOE_FCF_DEF_INDEX); | |
2496 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
2497 | if (unlikely(rc)) { | |
2498 | lpfc_printf_log(phba, KERN_ERR, | |
2499 | LOG_MBOX | LOG_SLI, | |
2500 | "2013 Could not manually add FCF " | |
2501 | "record 0, status %d\n", rc); | |
2502 | rc = -ENODEV; | |
2503 | kfree(fcf_record); | |
2504 | goto out; | |
2505 | } | |
2506 | kfree(fcf_record); | |
2507 | } | |
2508 | /* | |
2509 | * The driver is expected to do FIP/FCF. Call the port | |
2510 | * and get the FCF Table. | |
2511 | */ | |
32b9793f JS |
2512 | spin_lock_irq(&phba->hbalock); |
2513 | if (phba->hba_flag & FCF_DISC_INPROGRESS) { | |
2514 | spin_unlock_irq(&phba->hbalock); | |
2515 | return; | |
2516 | } | |
0c9ab6f5 JS |
2517 | /* This is the initial FCF discovery scan */ |
2518 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
32b9793f | 2519 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
2520 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
2521 | "2778 Start FCF table scan at linkup\n"); | |
2522 | ||
2523 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2524 | LPFC_FCOE_FCF_GET_FIRST); | |
2525 | if (rc) { | |
2526 | spin_lock_irq(&phba->hbalock); | |
2527 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
2528 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 2529 | goto out; |
0c9ab6f5 | 2530 | } |
dea3101e | 2531 | } |
6fb120a7 JS |
2532 | |
2533 | return; | |
92d7f7b0 JS |
2534 | out: |
2535 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
2536 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2537 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
2538 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
2539 | lpfc_issue_clear_la(phba, vport); |
2540 | return; | |
dea3101e | 2541 | } |
2542 | ||
2543 | static void | |
84774a4d | 2544 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 2545 | { |
dea3101e | 2546 | uint32_t control; |
2547 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 2548 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2549 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
2550 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
2551 | control = readl(phba->HCregaddr); | |
2552 | control |= HC_LAINT_ENA; | |
2553 | writel(control, phba->HCregaddr); | |
2554 | readl(phba->HCregaddr); /* flush */ | |
2555 | } | |
2e0fef85 | 2556 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2557 | } |
2558 | ||
84774a4d JS |
2559 | static void |
2560 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
2561 | { | |
2562 | lpfc_linkdown(phba); | |
2563 | lpfc_enable_la(phba); | |
6fb120a7 | 2564 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
2565 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
2566 | } | |
2567 | ||
2568 | ||
dea3101e | 2569 | /* |
2570 | * This routine handles processing a READ_LA mailbox | |
2571 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2572 | * as the completion routine when the command is | |
2573 | * handed off to the SLI layer. | |
2574 | */ | |
2575 | void | |
2e0fef85 | 2576 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2577 | { |
2e0fef85 JS |
2578 | struct lpfc_vport *vport = pmb->vport; |
2579 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2580 | READ_LA_VAR *la; |
04c68496 | 2581 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2582 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2583 | ||
0d2b6b83 JS |
2584 | /* Unblock ELS traffic */ |
2585 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e | 2586 | /* Check for error */ |
2587 | if (mb->mbxStatus) { | |
ed957684 | 2588 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
2589 | "1307 READ_LA mbox error x%x state x%x\n", |
2590 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2591 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 2592 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2593 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
2594 | } | |
2595 | ||
04c68496 | 2596 | la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA; |
dea3101e | 2597 | |
2598 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
2599 | ||
2e0fef85 | 2600 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2601 | if (la->pb) |
2e0fef85 | 2602 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 2603 | else |
2e0fef85 JS |
2604 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
2605 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 2606 | |
0c287589 | 2607 | if ((phba->fc_eventTag < la->eventTag) || |
92d7f7b0 | 2608 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 2609 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 2610 | if (la->attType == AT_LINK_UP) |
dea3101e | 2611 | if (phba->fc_eventTag != 0) |
2612 | lpfc_linkdown(phba); | |
92d7f7b0 | 2613 | } |
dea3101e | 2614 | |
2615 | phba->fc_eventTag = la->eventTag; | |
72100cc4 | 2616 | spin_lock_irq(&phba->hbalock); |
84774a4d JS |
2617 | if (la->mm) |
2618 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; | |
2619 | else | |
2620 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
72100cc4 | 2621 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2622 | |
4d9ab994 | 2623 | phba->link_events++; |
84774a4d | 2624 | if (la->attType == AT_LINK_UP && (!la->mm)) { |
dea3101e | 2625 | phba->fc_stat.LinkUp++; |
2e0fef85 | 2626 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 2627 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
2628 | "1306 Link Up Event in loop back mode " |
2629 | "x%x received Data: x%x x%x x%x x%x\n", | |
2630 | la->eventTag, phba->fc_eventTag, | |
2631 | la->granted_AL_PA, la->UlnkSpeed, | |
2632 | phba->alpa_map[0]); | |
5b8bd0c9 JS |
2633 | } else { |
2634 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2635 | "1303 Link Up Event x%x received " |
84774a4d | 2636 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 JS |
2637 | la->eventTag, phba->fc_eventTag, |
2638 | la->granted_AL_PA, la->UlnkSpeed, | |
84774a4d JS |
2639 | phba->alpa_map[0], |
2640 | la->mm, la->fa, | |
2641 | phba->wait_4_mlo_maint_flg); | |
5b8bd0c9 | 2642 | } |
92d7f7b0 | 2643 | lpfc_mbx_process_link_up(phba, la); |
84774a4d | 2644 | } else if (la->attType == AT_LINK_DOWN) { |
dea3101e | 2645 | phba->fc_stat.LinkDown++; |
3163f725 JS |
2646 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
2647 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2648 | "1308 Link Down Event in loop back mode " | |
2649 | "x%x received " | |
2650 | "Data: x%x x%x x%x\n", | |
2651 | la->eventTag, phba->fc_eventTag, | |
2652 | phba->pport->port_state, vport->fc_flag); | |
2653 | } | |
2654 | else { | |
2655 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2656 | "1305 Link Down Event x%x received " |
84774a4d JS |
2657 | "Data: x%x x%x x%x x%x x%x\n", |
2658 | la->eventTag, phba->fc_eventTag, | |
2659 | phba->pport->port_state, vport->fc_flag, | |
2660 | la->mm, la->fa); | |
2661 | } | |
2662 | lpfc_mbx_issue_link_down(phba); | |
2663 | } | |
2664 | if (la->mm && la->attType == AT_LINK_UP) { | |
2665 | if (phba->link_state != LPFC_LINK_DOWN) { | |
2666 | phba->fc_stat.LinkDown++; | |
2667 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2668 | "1312 Link Down Event x%x received " | |
dea3101e | 2669 | "Data: x%x x%x x%x\n", |
e8b62011 | 2670 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 2671 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
2672 | lpfc_mbx_issue_link_down(phba); |
2673 | } else | |
2674 | lpfc_enable_la(phba); | |
2675 | ||
2676 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2677 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
2678 | "Data: x%x x%x x%x\n", | |
2679 | la->eventTag, phba->fc_eventTag, | |
2680 | phba->pport->port_state, vport->fc_flag); | |
2681 | /* | |
2682 | * The cmnd that triggered this will be waiting for this | |
2683 | * signal. | |
2684 | */ | |
2685 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
2686 | if (phba->wait_4_mlo_maint_flg) { | |
2687 | phba->wait_4_mlo_maint_flg = 0; | |
2688 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 2689 | } |
84774a4d JS |
2690 | } |
2691 | ||
2692 | if (la->fa) { | |
2693 | if (la->mm) | |
2694 | lpfc_issue_clear_la(phba, vport); | |
2695 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
2696 | "1311 fa %d\n", la->fa); | |
dea3101e | 2697 | } |
2698 | ||
2699 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
2700 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2701 | kfree(mp); | |
2702 | mempool_free(pmb, phba->mbox_mem_pool); | |
2703 | return; | |
2704 | } | |
2705 | ||
2706 | /* | |
2707 | * This routine handles processing a REG_LOGIN mailbox | |
2708 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2709 | * as the completion routine when the command is | |
2710 | * handed off to the SLI layer. | |
2711 | */ | |
2712 | void | |
2e0fef85 | 2713 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2714 | { |
2e0fef85 | 2715 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 2716 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 2717 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 2718 | |
dea3101e | 2719 | pmb->context1 = NULL; |
2720 | ||
2721 | /* Good status, call state machine */ | |
2e0fef85 | 2722 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 2723 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2724 | kfree(mp); | |
2e0fef85 | 2725 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
2726 | /* decrement the node reference count held for this callback |
2727 | * function. | |
2728 | */ | |
329f9bc7 | 2729 | lpfc_nlp_put(ndlp); |
dea3101e | 2730 | |
2731 | return; | |
2732 | } | |
2733 | ||
92d7f7b0 JS |
2734 | static void |
2735 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2736 | { | |
04c68496 | 2737 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2738 | struct lpfc_vport *vport = pmb->vport; |
2739 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2740 | ||
2741 | switch (mb->mbxStatus) { | |
2742 | case 0x0011: | |
2743 | case 0x0020: | |
e8b62011 JS |
2744 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2745 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
2746 | mb->mbxStatus); | |
92d7f7b0 | 2747 | break; |
78730cfe JS |
2748 | /* If VPI is busy, reset the HBA */ |
2749 | case 0x9700: | |
2750 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
2751 | "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n", | |
2752 | vport->vpi, mb->mbxStatus); | |
2753 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
2754 | lpfc_workq_post_event(phba, NULL, NULL, | |
2755 | LPFC_EVT_RESET_HBA); | |
92d7f7b0 | 2756 | } |
72100cc4 | 2757 | spin_lock_irq(shost->host_lock); |
c868595d | 2758 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 2759 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2760 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
2761 | vport->unreg_vpi_cmpl = VPORT_OK; |
2762 | mempool_free(pmb, phba->mbox_mem_pool); | |
2763 | /* | |
2764 | * This shost reference might have been taken at the beginning of | |
2765 | * lpfc_vport_delete() | |
2766 | */ | |
1c6f4ef5 | 2767 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
2768 | scsi_host_put(shost); |
2769 | } | |
2770 | ||
d7c255b2 | 2771 | int |
92d7f7b0 JS |
2772 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
2773 | { | |
2774 | struct lpfc_hba *phba = vport->phba; | |
2775 | LPFC_MBOXQ_t *mbox; | |
2776 | int rc; | |
2777 | ||
2778 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2779 | if (!mbox) | |
d7c255b2 | 2780 | return 1; |
92d7f7b0 JS |
2781 | |
2782 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
2783 | mbox->vport = vport; | |
2784 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 2785 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 2786 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
2787 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
2788 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
2789 | mempool_free(mbox, phba->mbox_mem_pool); |
2790 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 2791 | return rc; |
92d7f7b0 | 2792 | } |
d7c255b2 | 2793 | return 0; |
92d7f7b0 JS |
2794 | } |
2795 | ||
2796 | static void | |
2797 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2798 | { | |
2799 | struct lpfc_vport *vport = pmb->vport; | |
2800 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 2801 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2802 | |
2803 | switch (mb->mbxStatus) { | |
2804 | case 0x0011: | |
2805 | case 0x9601: | |
2806 | case 0x9602: | |
e8b62011 JS |
2807 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2808 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
2809 | mb->mbxStatus); | |
92d7f7b0 JS |
2810 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
2811 | spin_lock_irq(shost->host_lock); | |
2812 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2813 | spin_unlock_irq(shost->host_lock); | |
2814 | vport->fc_myDID = 0; | |
2815 | goto out; | |
2816 | } | |
92d7f7b0 | 2817 | |
72100cc4 | 2818 | spin_lock_irq(shost->host_lock); |
c868595d | 2819 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2820 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2821 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
2822 | vport->num_disc_nodes = 0; |
2823 | /* go thru NPR list and issue ELS PLOGIs */ | |
2824 | if (vport->fc_npr_cnt) | |
2825 | lpfc_els_disc_plogi(vport); | |
2826 | ||
2827 | if (!vport->num_disc_nodes) { | |
2828 | spin_lock_irq(shost->host_lock); | |
2829 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2830 | spin_unlock_irq(shost->host_lock); | |
2831 | lpfc_can_disctmo(vport); | |
2832 | } | |
2833 | vport->port_state = LPFC_VPORT_READY; | |
2834 | ||
2835 | out: | |
2836 | mempool_free(pmb, phba->mbox_mem_pool); | |
2837 | return; | |
2838 | } | |
2839 | ||
21e9a0a5 JS |
2840 | /** |
2841 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
2842 | * @phba: pointer to lpfc hba data structure. | |
2843 | * | |
2844 | * This routine issue a DUMP mailbox command for config region 22 to get | |
2845 | * the list of static vports to be created. The function create vports | |
2846 | * based on the information returned from the HBA. | |
2847 | **/ | |
2848 | void | |
2849 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
2850 | { | |
2851 | LPFC_MBOXQ_t *pmb = NULL; | |
2852 | MAILBOX_t *mb; | |
2853 | struct static_vport_info *vport_info; | |
1c6834a7 | 2854 | int rc = 0, i; |
21e9a0a5 JS |
2855 | struct fc_vport_identifiers vport_id; |
2856 | struct fc_vport *new_fc_vport; | |
2857 | struct Scsi_Host *shost; | |
2858 | struct lpfc_vport *vport; | |
2859 | uint16_t offset = 0; | |
2860 | uint8_t *vport_buff; | |
1c6834a7 JS |
2861 | struct lpfc_dmabuf *mp; |
2862 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
2863 | |
2864 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2865 | if (!pmb) { | |
2866 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2867 | "0542 lpfc_create_static_vport failed to" | |
2868 | " allocate mailbox memory\n"); | |
2869 | return; | |
2870 | } | |
2871 | ||
2872 | mb = &pmb->u.mb; | |
2873 | ||
2874 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
2875 | if (!vport_info) { | |
2876 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2877 | "0543 lpfc_create_static_vport failed to" | |
2878 | " allocate vport_info\n"); | |
2879 | mempool_free(pmb, phba->mbox_mem_pool); | |
2880 | return; | |
2881 | } | |
2882 | ||
2883 | vport_buff = (uint8_t *) vport_info; | |
2884 | do { | |
1c6834a7 JS |
2885 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
2886 | goto out; | |
2887 | ||
21e9a0a5 JS |
2888 | pmb->vport = phba->pport; |
2889 | rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO); | |
2890 | ||
2891 | if ((rc != MBX_SUCCESS) || mb->mbxStatus) { | |
2892 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2893 | "0544 lpfc_create_static_vport failed to" | |
2894 | " issue dump mailbox command ret 0x%x " | |
2895 | "status 0x%x\n", | |
2896 | rc, mb->mbxStatus); | |
2897 | goto out; | |
2898 | } | |
2899 | ||
1c6834a7 JS |
2900 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2901 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
2902 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
2903 | if (byte_count > sizeof(struct static_vport_info) - | |
2904 | offset) | |
2905 | byte_count = sizeof(struct static_vport_info) | |
2906 | - offset; | |
2907 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
2908 | offset += byte_count; | |
2909 | } else { | |
2910 | if (mb->un.varDmp.word_cnt > | |
2911 | sizeof(struct static_vport_info) - offset) | |
2912 | mb->un.varDmp.word_cnt = | |
2913 | sizeof(struct static_vport_info) | |
2914 | - offset; | |
2915 | byte_count = mb->un.varDmp.word_cnt; | |
2916 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
2917 | vport_buff + offset, | |
2918 | byte_count); | |
2919 | ||
2920 | offset += byte_count; | |
2921 | } | |
21e9a0a5 | 2922 | |
1c6834a7 | 2923 | } while (byte_count && |
21e9a0a5 JS |
2924 | offset < sizeof(struct static_vport_info)); |
2925 | ||
2926 | ||
2927 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
2928 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
2929 | != VPORT_INFO_REV)) { | |
2930 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2931 | "0545 lpfc_create_static_vport bad" | |
2932 | " information header 0x%x 0x%x\n", | |
2933 | le32_to_cpu(vport_info->signature), | |
2934 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
2935 | ||
2936 | goto out; | |
2937 | } | |
2938 | ||
2939 | shost = lpfc_shost_from_vport(phba->pport); | |
2940 | ||
2941 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
2942 | memset(&vport_id, 0, sizeof(vport_id)); | |
2943 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
2944 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
2945 | if (!vport_id.port_name || !vport_id.node_name) | |
2946 | continue; | |
2947 | ||
2948 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
2949 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
2950 | vport_id.disable = false; | |
2951 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
2952 | ||
2953 | if (!new_fc_vport) { | |
2954 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2955 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 2956 | " create vport\n"); |
21e9a0a5 JS |
2957 | continue; |
2958 | } | |
2959 | ||
2960 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
2961 | vport->vport_flag |= STATIC_VPORT; | |
2962 | } | |
2963 | ||
2964 | out: | |
21e9a0a5 | 2965 | kfree(vport_info); |
1c6834a7 JS |
2966 | if (rc != MBX_TIMEOUT) { |
2967 | if (pmb->context2) { | |
2968 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
2969 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2970 | kfree(mp); | |
2971 | } | |
21e9a0a5 | 2972 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 2973 | } |
21e9a0a5 JS |
2974 | |
2975 | return; | |
2976 | } | |
2977 | ||
dea3101e | 2978 | /* |
2979 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
2980 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2981 | * as the completion routine when the command is | |
2982 | * handed off to the SLI layer. | |
2983 | */ | |
2984 | void | |
2e0fef85 | 2985 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2986 | { |
92d7f7b0 | 2987 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 2988 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 2989 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 2990 | struct lpfc_nodelist *ndlp; |
dea3101e | 2991 | |
549e55cd | 2992 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
2993 | pmb->context1 = NULL; |
2994 | pmb->context2 = NULL; | |
dea3101e | 2995 | if (mb->mbxStatus) { |
21e9a0a5 JS |
2996 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2997 | "0258 Register Fabric login error: 0x%x\n", | |
2998 | mb->mbxStatus); | |
dea3101e | 2999 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3000 | kfree(mp); | |
329f9bc7 | 3001 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3002 | |
92d7f7b0 JS |
3003 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3004 | /* FLOGI failed, use loop map to make discovery list */ | |
3005 | lpfc_disc_list_loopmap(vport); | |
3006 | ||
3007 | /* Start discovery */ | |
3008 | lpfc_disc_start(vport); | |
e47c9093 JS |
3009 | /* Decrement the reference count to ndlp after the |
3010 | * reference to the ndlp are done. | |
3011 | */ | |
3012 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
3013 | return; |
3014 | } | |
3015 | ||
3016 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
3017 | /* Decrement the reference count to ndlp after the reference |
3018 | * to the ndlp are done. | |
3019 | */ | |
3020 | lpfc_nlp_put(ndlp); | |
dea3101e | 3021 | return; |
3022 | } | |
3023 | ||
dea3101e | 3024 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3025 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3026 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3027 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3028 | |
2e0fef85 | 3029 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
4b40c59e JS |
3030 | /* when physical port receive logo donot start |
3031 | * vport discovery */ | |
3032 | if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) | |
3033 | lpfc_start_fdiscs(phba); | |
3034 | else | |
3035 | vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ; | |
92d7f7b0 | 3036 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 3037 | } |
3038 | ||
3039 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3040 | kfree(mp); | |
329f9bc7 | 3041 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
3042 | |
3043 | /* Drop the reference count from the mbox at the end after | |
3044 | * all the current reference to the ndlp have been done. | |
3045 | */ | |
3046 | lpfc_nlp_put(ndlp); | |
dea3101e | 3047 | return; |
3048 | } | |
3049 | ||
3050 | /* | |
3051 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
3052 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3053 | * as the completion routine when the command is | |
3054 | * handed off to the SLI layer. | |
3055 | */ | |
3056 | void | |
2e0fef85 | 3057 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3058 | { |
21e9a0a5 | 3059 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
3060 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3061 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3062 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 3063 | |
3064 | if (mb->mbxStatus) { | |
92d7f7b0 | 3065 | out: |
21e9a0a5 JS |
3066 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3067 | "0260 Register NameServer error: 0x%x\n", | |
3068 | mb->mbxStatus); | |
fa4066b6 JS |
3069 | /* decrement the node reference count held for this |
3070 | * callback function. | |
3071 | */ | |
329f9bc7 | 3072 | lpfc_nlp_put(ndlp); |
dea3101e | 3073 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3074 | kfree(mp); | |
de0c5b32 | 3075 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
3076 | |
3077 | /* If no other thread is using the ndlp, free it */ | |
3078 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 3079 | |
92d7f7b0 JS |
3080 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3081 | /* | |
3082 | * RegLogin failed, use loop map to make discovery | |
3083 | * list | |
3084 | */ | |
3085 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 3086 | |
92d7f7b0 JS |
3087 | /* Start discovery */ |
3088 | lpfc_disc_start(vport); | |
3089 | return; | |
3090 | } | |
3091 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e | 3092 | return; |
3093 | } | |
3094 | ||
3095 | pmb->context1 = NULL; | |
3096 | ||
dea3101e | 3097 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3098 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3099 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3100 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3101 | |
2e0fef85 JS |
3102 | if (vport->port_state < LPFC_VPORT_READY) { |
3103 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
3104 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
3105 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
3106 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
3107 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3108 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
3109 | ||
3110 | /* Issue SCR just before NameServer GID_FT Query */ | |
3111 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 3112 | } |
3113 | ||
2e0fef85 | 3114 | vport->fc_ns_retry = 0; |
dea3101e | 3115 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 3116 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 3117 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 3118 | goto out; |
dea3101e | 3119 | } |
3120 | ||
fa4066b6 JS |
3121 | /* decrement the node reference count held for this |
3122 | * callback function. | |
3123 | */ | |
329f9bc7 | 3124 | lpfc_nlp_put(ndlp); |
dea3101e | 3125 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3126 | kfree(mp); | |
2e0fef85 | 3127 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3128 | |
3129 | return; | |
3130 | } | |
3131 | ||
3132 | static void | |
2e0fef85 | 3133 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3134 | { |
2e0fef85 JS |
3135 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3136 | struct fc_rport *rport; | |
dea3101e | 3137 | struct lpfc_rport_data *rdata; |
3138 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 3139 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3140 | |
3141 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
3142 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
3143 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 3144 | rport_ids.port_id = ndlp->nlp_DID; |
3145 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 3146 | |
329f9bc7 JS |
3147 | /* |
3148 | * We leave our node pointer in rport->dd_data when we unregister a | |
3149 | * FCP target port. But fc_remote_port_add zeros the space to which | |
3150 | * rport->dd_data points. So, if we're reusing a previously | |
3151 | * registered port, drop the reference that we took the last time we | |
3152 | * registered the port. | |
3153 | */ | |
3154 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 3155 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 3156 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
3157 | |
3158 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
3159 | "rport add: did:x%x flg:x%x type x%x", | |
3160 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3161 | ||
2e0fef85 | 3162 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 3163 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 3164 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
3165 | "Warning: fc_remote_port_add failed\n"); | |
3166 | return; | |
3167 | } | |
3168 | ||
3169 | /* initialize static port data */ | |
3170 | rport->maxframe_size = ndlp->nlp_maxframe; | |
3171 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 3172 | rdata = rport->dd_data; |
329f9bc7 | 3173 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
3174 | |
3175 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
3176 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
3177 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
3178 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
3179 | ||
3180 | ||
3181 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
3182 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
3183 | ||
071fbd3d | 3184 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 3185 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
3186 | ndlp->nlp_sid = rport->scsi_target_id; |
3187 | } | |
19a7b4ae JSEC |
3188 | return; |
3189 | } | |
3190 | ||
3191 | static void | |
2e0fef85 | 3192 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
3193 | { |
3194 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 3195 | |
858c9f6c JS |
3196 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
3197 | "rport delete: did:x%x flg:x%x type x%x", | |
3198 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3199 | ||
19a7b4ae | 3200 | fc_remote_port_delete(rport); |
dea3101e | 3201 | |
3202 | return; | |
3203 | } | |
3204 | ||
de0c5b32 | 3205 | static void |
2e0fef85 | 3206 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 3207 | { |
2e0fef85 JS |
3208 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3209 | ||
3210 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
3211 | switch (state) { |
3212 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 3213 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
3214 | break; |
3215 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 3216 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
3217 | break; |
3218 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 3219 | vport->fc_adisc_cnt += count; |
dea3101e | 3220 | break; |
de0c5b32 | 3221 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 3222 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
3223 | break; |
3224 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 3225 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
3226 | break; |
3227 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 3228 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
3229 | break; |
3230 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 3231 | vport->fc_map_cnt += count; |
de0c5b32 JS |
3232 | break; |
3233 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 3234 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
3235 | break; |
3236 | } | |
2e0fef85 | 3237 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 3238 | } |
66a9ed66 | 3239 | |
de0c5b32 | 3240 | static void |
2e0fef85 | 3241 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
3242 | int old_state, int new_state) |
3243 | { | |
2e0fef85 JS |
3244 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3245 | ||
de0c5b32 | 3246 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
de0c5b32 JS |
3247 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
3248 | ndlp->nlp_type |= NLP_FC_NODE; | |
3249 | } | |
3250 | if (new_state == NLP_STE_MAPPED_NODE) | |
3251 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3252 | if (new_state == NLP_STE_NPR_NODE) | |
3253 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
3254 | ||
3255 | /* Transport interface */ | |
3256 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
3257 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
3258 | vport->phba->nport_event_cnt++; |
3259 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 3260 | } |
dea3101e | 3261 | |
de0c5b32 JS |
3262 | if (new_state == NLP_STE_MAPPED_NODE || |
3263 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 3264 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
3265 | /* |
3266 | * Tell the fc transport about the port, if we haven't | |
3267 | * already. If we have, and it's a scsi entity, be | |
3268 | * sure to unblock any attached scsi devices | |
3269 | */ | |
3270 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 3271 | } |
ea2151b4 JS |
3272 | if ((new_state == NLP_STE_MAPPED_NODE) && |
3273 | (vport->stat_data_enabled)) { | |
3274 | /* | |
3275 | * A new target is discovered, if there is no buffer for | |
3276 | * statistical data collection allocate buffer. | |
3277 | */ | |
3278 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
3279 | sizeof(struct lpfc_scsicmd_bkt), | |
3280 | GFP_KERNEL); | |
3281 | ||
3282 | if (!ndlp->lat_data) | |
3283 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3284 | "0286 lpfc_nlp_state_cleanup failed to " | |
3285 | "allocate statistical data buffer DID " | |
3286 | "0x%x\n", ndlp->nlp_DID); | |
3287 | } | |
858c9f6c JS |
3288 | /* |
3289 | * if we added to Mapped list, but the remote port | |
3290 | * registration failed or assigned a target id outside | |
3291 | * our presentable range - move the node to the | |
3292 | * Unmapped List | |
3293 | */ | |
de0c5b32 JS |
3294 | if (new_state == NLP_STE_MAPPED_NODE && |
3295 | (!ndlp->rport || | |
3296 | ndlp->rport->scsi_target_id == -1 || | |
3297 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 3298 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 3299 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
3300 | spin_unlock_irq(shost->host_lock); |
3301 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 3302 | } |
de0c5b32 JS |
3303 | } |
3304 | ||
685f0bf7 JS |
3305 | static char * |
3306 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
3307 | { | |
3308 | static char *states[] = { | |
3309 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
3310 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
3311 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
3312 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
3313 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
3314 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
3315 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
3316 | [NLP_STE_NPR_NODE] = "NPR", | |
3317 | }; | |
3318 | ||
311464ec | 3319 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
3320 | strlcpy(buffer, states[state], size); |
3321 | else | |
3322 | snprintf(buffer, size, "unknown (%d)", state); | |
3323 | return buffer; | |
3324 | } | |
3325 | ||
de0c5b32 | 3326 | void |
2e0fef85 JS |
3327 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3328 | int state) | |
de0c5b32 | 3329 | { |
2e0fef85 | 3330 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 3331 | int old_state = ndlp->nlp_state; |
685f0bf7 | 3332 | char name1[16], name2[16]; |
de0c5b32 | 3333 | |
e8b62011 JS |
3334 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3335 | "0904 NPort state transition x%06x, %s -> %s\n", | |
3336 | ndlp->nlp_DID, | |
3337 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
3338 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
3339 | |
3340 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3341 | "node statechg did:x%x old:%d ste:%d", | |
3342 | ndlp->nlp_DID, old_state, state); | |
3343 | ||
de0c5b32 | 3344 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 3345 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 3346 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
3347 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
3348 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
3349 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
3350 | } | |
3351 | ||
685f0bf7 | 3352 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
3353 | spin_lock_irq(shost->host_lock); |
3354 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3355 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 3356 | } else if (old_state) |
2e0fef85 | 3357 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
3358 | |
3359 | ndlp->nlp_state = state; | |
2e0fef85 JS |
3360 | lpfc_nlp_counters(vport, state, 1); |
3361 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
3362 | } |
3363 | ||
e47c9093 JS |
3364 | void |
3365 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
3366 | { | |
3367 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3368 | ||
3369 | if (list_empty(&ndlp->nlp_listp)) { | |
3370 | spin_lock_irq(shost->host_lock); | |
3371 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3372 | spin_unlock_irq(shost->host_lock); | |
3373 | } | |
3374 | } | |
3375 | ||
de0c5b32 | 3376 | void |
2e0fef85 | 3377 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3378 | { |
2e0fef85 JS |
3379 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3380 | ||
0d2b6b83 | 3381 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 3382 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
3383 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
3384 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 3385 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 3386 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 3387 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
3388 | NLP_STE_UNUSED_NODE); |
3389 | } | |
3390 | ||
4d9db01e | 3391 | static void |
e47c9093 JS |
3392 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
3393 | { | |
0d2b6b83 | 3394 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
3395 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
3396 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
3397 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
3398 | NLP_STE_UNUSED_NODE); | |
3399 | } | |
109f6ed0 | 3400 | /** |
3621a710 | 3401 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
3402 | * @vport: Pointer to Virtual Port object. |
3403 | * @ndlp: Pointer to FC node object. | |
3404 | * @did: FC_ID of the node. | |
a257bf90 JS |
3405 | * |
3406 | * This function is always called when node object need to be initialized. | |
3407 | * It initializes all the fields of the node object. Although the reference | |
3408 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
3409 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
3410 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
3411 | * the final release of ndlp is determined by its reference count. And, the | |
3412 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
3413 | **/ |
3414 | static inline void | |
3415 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3416 | uint32_t did) | |
3417 | { | |
3418 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
3419 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
3420 | init_timer(&ndlp->nlp_delayfunc); | |
3421 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
3422 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
3423 | ndlp->nlp_DID = did; | |
3424 | ndlp->vport = vport; | |
a257bf90 | 3425 | ndlp->phba = vport->phba; |
109f6ed0 JS |
3426 | ndlp->nlp_sid = NLP_NO_SID; |
3427 | kref_init(&ndlp->kref); | |
3428 | NLP_INT_NODE_ACT(ndlp); | |
3429 | atomic_set(&ndlp->cmd_pending, 0); | |
3430 | ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; | |
3431 | } | |
e47c9093 JS |
3432 | |
3433 | struct lpfc_nodelist * | |
3434 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3435 | int state) | |
3436 | { | |
3437 | struct lpfc_hba *phba = vport->phba; | |
3438 | uint32_t did; | |
3439 | unsigned long flags; | |
3440 | ||
3441 | if (!ndlp) | |
3442 | return NULL; | |
3443 | ||
3444 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
3445 | /* The ndlp should not be in memory free mode */ | |
3446 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
3447 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3448 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3449 | "0277 lpfc_enable_node: ndlp:x%p " | |
3450 | "usgmap:x%x refcnt:%d\n", | |
3451 | (void *)ndlp, ndlp->nlp_usg_map, | |
3452 | atomic_read(&ndlp->kref.refcount)); | |
3453 | return NULL; | |
3454 | } | |
3455 | /* The ndlp should not already be in active mode */ | |
3456 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
3457 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3458 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3459 | "0278 lpfc_enable_node: ndlp:x%p " | |
3460 | "usgmap:x%x refcnt:%d\n", | |
3461 | (void *)ndlp, ndlp->nlp_usg_map, | |
3462 | atomic_read(&ndlp->kref.refcount)); | |
3463 | return NULL; | |
3464 | } | |
3465 | ||
3466 | /* Keep the original DID */ | |
3467 | did = ndlp->nlp_DID; | |
3468 | ||
3469 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
3470 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
3471 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 3472 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
3473 | |
3474 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3475 | ||
3476 | if (state != NLP_STE_UNUSED_NODE) | |
3477 | lpfc_nlp_set_state(vport, ndlp, state); | |
3478 | ||
3479 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3480 | "node enable: did:x%x", | |
3481 | ndlp->nlp_DID, 0, 0); | |
3482 | return ndlp; | |
de0c5b32 JS |
3483 | } |
3484 | ||
3485 | void | |
2e0fef85 | 3486 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3487 | { |
87af33fe | 3488 | /* |
fa4066b6 | 3489 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 3490 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
3491 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
3492 | * until ALL other outstanding threads have completed. We check | |
3493 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 3494 | */ |
fa4066b6 JS |
3495 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3496 | return; | |
51ef4c26 | 3497 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
87af33fe | 3498 | lpfc_nlp_put(ndlp); |
98c9ea5c | 3499 | return; |
dea3101e | 3500 | } |
3501 | ||
3502 | /* | |
3503 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
3504 | */ | |
3505 | void | |
2e0fef85 | 3506 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 3507 | { |
2e0fef85 JS |
3508 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3509 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3510 | uint32_t tmo; |
3511 | ||
2e0fef85 | 3512 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 3513 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
3514 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
3515 | } else { | |
025dfdaf | 3516 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
3517 | * FC spec states we need 3 * ratov for CT requests |
3518 | */ | |
3519 | tmo = ((phba->fc_ratov * 3) + 3); | |
3520 | } | |
dea3101e | 3521 | |
858c9f6c JS |
3522 | |
3523 | if (!timer_pending(&vport->fc_disctmo)) { | |
3524 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
3525 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
3526 | tmo, vport->port_state, vport->fc_flag); | |
3527 | } | |
3528 | ||
2e0fef85 JS |
3529 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
3530 | spin_lock_irq(shost->host_lock); | |
3531 | vport->fc_flag |= FC_DISC_TMO; | |
3532 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3533 | |
3534 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3535 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3536 | "0247 Start Discovery Timer state x%x " | |
3537 | "Data: x%x x%lx x%x x%x\n", | |
3538 | vport->port_state, tmo, | |
3539 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
3540 | vport->fc_adisc_cnt); | |
dea3101e | 3541 | |
3542 | return; | |
3543 | } | |
3544 | ||
3545 | /* | |
3546 | * Cancel rescue timer for Discovery / RSCN handling | |
3547 | */ | |
3548 | int | |
2e0fef85 | 3549 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 3550 | { |
2e0fef85 | 3551 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
3552 | unsigned long iflags; |
3553 | ||
858c9f6c JS |
3554 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3555 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
3556 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
3557 | ||
dea3101e | 3558 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
3559 | if (vport->fc_flag & FC_DISC_TMO) { |
3560 | spin_lock_irqsave(shost->host_lock, iflags); | |
3561 | vport->fc_flag &= ~FC_DISC_TMO; | |
3562 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
3563 | del_timer_sync(&vport->fc_disctmo); | |
3564 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
3565 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
3566 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 3567 | } |
3568 | ||
3569 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3570 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3571 | "0248 Cancel Discovery Timer state x%x " | |
3572 | "Data: x%x x%x x%x\n", | |
3573 | vport->port_state, vport->fc_flag, | |
3574 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 3575 | return 0; |
dea3101e | 3576 | } |
3577 | ||
3578 | /* | |
3579 | * Check specified ring for outstanding IOCB on the SLI queue | |
3580 | * Return true if iocb matches the specified nport | |
3581 | */ | |
3582 | int | |
2e0fef85 JS |
3583 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
3584 | struct lpfc_sli_ring *pring, | |
3585 | struct lpfc_iocbq *iocb, | |
3586 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3587 | { |
2e0fef85 JS |
3588 | struct lpfc_sli *psli = &phba->sli; |
3589 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
3590 | struct lpfc_vport *vport = ndlp->vport; |
3591 | ||
3592 | if (iocb->vport != vport) | |
3593 | return 0; | |
3594 | ||
dea3101e | 3595 | if (pring->ringno == LPFC_ELS_RING) { |
3596 | switch (icmd->ulpCommand) { | |
3597 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 3598 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 3599 | return 1; |
dea3101e | 3600 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
3601 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
3602 | return 1; | |
dea3101e | 3603 | case CMD_XMIT_ELS_RSP64_CX: |
3604 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 3605 | return 1; |
dea3101e | 3606 | } |
a4bc3379 | 3607 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 3608 | |
3609 | } else if (pring->ringno == psli->fcp_ring) { | |
3610 | /* Skip match check if waiting to relogin to FCP target */ | |
3611 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 3612 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 3613 | return 0; |
dea3101e | 3614 | } |
3615 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 3616 | return 1; |
dea3101e | 3617 | } |
3618 | } else if (pring->ringno == psli->next_ring) { | |
3619 | ||
3620 | } | |
2fe165b6 | 3621 | return 0; |
dea3101e | 3622 | } |
3623 | ||
3624 | /* | |
3625 | * Free resources / clean up outstanding I/Os | |
3626 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
3627 | */ | |
3628 | static int | |
2e0fef85 | 3629 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 3630 | { |
2534ba75 | 3631 | LIST_HEAD(completions); |
dea3101e | 3632 | struct lpfc_sli *psli; |
3633 | struct lpfc_sli_ring *pring; | |
3634 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 3635 | uint32_t i; |
dea3101e | 3636 | |
92d7f7b0 JS |
3637 | lpfc_fabric_abort_nport(ndlp); |
3638 | ||
dea3101e | 3639 | /* |
3640 | * Everything that matches on txcmplq will be returned | |
3641 | * by firmware with a no rpi error. | |
3642 | */ | |
3643 | psli = &phba->sli; | |
21e9a0a5 | 3644 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
dea3101e | 3645 | /* Now process each ring */ |
3646 | for (i = 0; i < psli->num_rings; i++) { | |
3647 | pring = &psli->ring[i]; | |
3648 | ||
2e0fef85 | 3649 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3650 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 3651 | list) { |
dea3101e | 3652 | /* |
3653 | * Check to see if iocb matches the nport we are | |
3654 | * looking for | |
3655 | */ | |
92d7f7b0 JS |
3656 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
3657 | ndlp))) { | |
dea3101e | 3658 | /* It matches, so deque and call compl |
3659 | with an error */ | |
2534ba75 JS |
3660 | list_move_tail(&iocb->list, |
3661 | &completions); | |
dea3101e | 3662 | pring->txq_cnt--; |
dea3101e | 3663 | } |
3664 | } | |
2e0fef85 | 3665 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3666 | } |
3667 | } | |
2534ba75 | 3668 | |
a257bf90 JS |
3669 | /* Cancel all the IOCBs from the completions list */ |
3670 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3671 | IOERR_SLI_ABORTED); | |
2534ba75 | 3672 | |
2fe165b6 | 3673 | return 0; |
dea3101e | 3674 | } |
3675 | ||
3676 | /* | |
3677 | * Free rpi associated with LPFC_NODELIST entry. | |
3678 | * This routine is called from lpfc_freenode(), when we are removing | |
3679 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
3680 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
3681 | * to the remote NPort. In addition, it is called after we receive | |
3682 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
3683 | * we are waiting to PLOGI back to the remote NPort. | |
3684 | */ | |
3685 | int | |
2e0fef85 | 3686 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3687 | { |
2e0fef85 JS |
3688 | struct lpfc_hba *phba = vport->phba; |
3689 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 3690 | int rc; |
3691 | ||
21e9a0a5 | 3692 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
2e0fef85 JS |
3693 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3694 | if (mbox) { | |
92d7f7b0 | 3695 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 3696 | mbox->vport = vport; |
92d7f7b0 | 3697 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 3698 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 3699 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 3700 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3701 | } |
dea3101e | 3702 | lpfc_no_rpi(phba, ndlp); |
3703 | ndlp->nlp_rpi = 0; | |
21e9a0a5 | 3704 | ndlp->nlp_flag &= ~NLP_RPI_VALID; |
0c287589 | 3705 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 3706 | return 1; |
3707 | } | |
3708 | return 0; | |
3709 | } | |
3710 | ||
ecfd03c6 JS |
3711 | /** |
3712 | * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba. | |
3713 | * @phba: pointer to lpfc hba data structure. | |
3714 | * | |
3715 | * This routine is invoked to unregister all the currently registered RPIs | |
3716 | * to the HBA. | |
3717 | **/ | |
3718 | void | |
3719 | lpfc_unreg_hba_rpis(struct lpfc_hba *phba) | |
3720 | { | |
3721 | struct lpfc_vport **vports; | |
3722 | struct lpfc_nodelist *ndlp; | |
3723 | struct Scsi_Host *shost; | |
3724 | int i; | |
3725 | ||
3726 | vports = lpfc_create_vport_work_array(phba); | |
3727 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
3728 | shost = lpfc_shost_from_vport(vports[i]); | |
3729 | spin_lock_irq(shost->host_lock); | |
3730 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
0c9ab6f5 JS |
3731 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
3732 | /* The mempool_alloc might sleep */ | |
3733 | spin_unlock_irq(shost->host_lock); | |
ecfd03c6 | 3734 | lpfc_unreg_rpi(vports[i], ndlp); |
0c9ab6f5 JS |
3735 | spin_lock_irq(shost->host_lock); |
3736 | } | |
ecfd03c6 JS |
3737 | } |
3738 | spin_unlock_irq(shost->host_lock); | |
3739 | } | |
3740 | lpfc_destroy_vport_work_array(phba, vports); | |
3741 | } | |
3742 | ||
92d7f7b0 JS |
3743 | void |
3744 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
3745 | { | |
3746 | struct lpfc_hba *phba = vport->phba; | |
3747 | LPFC_MBOXQ_t *mbox; | |
3748 | int rc; | |
3749 | ||
3750 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3751 | if (mbox) { | |
3752 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
3753 | mbox->vport = vport; | |
3754 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3755 | mbox->context1 = NULL; |
3756 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 3757 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 3758 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
3759 | |
3760 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
3761 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
3762 | "1836 Could not issue " | |
3763 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
3764 | } |
3765 | } | |
3766 | ||
3767 | void | |
3768 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
3769 | { | |
3770 | struct lpfc_hba *phba = vport->phba; | |
3771 | LPFC_MBOXQ_t *mbox; | |
3772 | int rc; | |
3773 | ||
3774 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3775 | if (mbox) { | |
3776 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
3777 | mbox->vport = vport; | |
3778 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3779 | mbox->context1 = NULL; |
3780 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
3781 | if (rc != MBX_TIMEOUT) |
3782 | mempool_free(mbox, phba->mbox_mem_pool); | |
3783 | ||
3784 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
3785 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3786 | "1815 Could not issue " | |
a257bf90 JS |
3787 | "unreg_did (default rpis) status %d\n", |
3788 | rc); | |
92d7f7b0 JS |
3789 | } |
3790 | } | |
3791 | ||
dea3101e | 3792 | /* |
3793 | * Free resources associated with LPFC_NODELIST entry | |
3794 | * so it can be freed. | |
3795 | */ | |
3796 | static int | |
2e0fef85 | 3797 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3798 | { |
2e0fef85 JS |
3799 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3800 | struct lpfc_hba *phba = vport->phba; | |
3801 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 3802 | struct lpfc_dmabuf *mp; |
dea3101e | 3803 | |
3804 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
3805 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3806 | "0900 Cleanup node for NPort x%x " | |
3807 | "Data: x%x x%x x%x\n", | |
3808 | ndlp->nlp_DID, ndlp->nlp_flag, | |
3809 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
3810 | if (NLP_CHK_FREE_REQ(ndlp)) { |
3811 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3812 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
3813 | "usgmap:x%x refcnt:%d\n", | |
3814 | (void *)ndlp, ndlp->nlp_usg_map, | |
3815 | atomic_read(&ndlp->kref.refcount)); | |
3816 | lpfc_dequeue_node(vport, ndlp); | |
3817 | } else { | |
3818 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3819 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
3820 | "usgmap:x%x refcnt:%d\n", | |
3821 | (void *)ndlp, ndlp->nlp_usg_map, | |
3822 | atomic_read(&ndlp->kref.refcount)); | |
3823 | lpfc_disable_node(vport, ndlp); | |
3824 | } | |
dea3101e | 3825 | |
dea3101e | 3826 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
3827 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 3828 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
dea3101e | 3829 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
3830 | mb->context2 = NULL; | |
3831 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3832 | } | |
3833 | } | |
33ccf8d1 | 3834 | |
2e0fef85 | 3835 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3836 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 3837 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
92d7f7b0 | 3838 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 3839 | mp = (struct lpfc_dmabuf *) (mb->context1); |
3840 | if (mp) { | |
2e0fef85 | 3841 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 3842 | kfree(mp); |
3843 | } | |
3844 | list_del(&mb->list); | |
3845 | mempool_free(mb, phba->mbox_mem_pool); | |
e47c9093 JS |
3846 | /* We shall not invoke the lpfc_nlp_put to decrement |
3847 | * the ndlp reference count as we are in the process | |
3848 | * of lpfc_nlp_release. | |
3849 | */ | |
dea3101e | 3850 | } |
3851 | } | |
2e0fef85 | 3852 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3853 | |
e47c9093 JS |
3854 | lpfc_els_abort(phba, ndlp); |
3855 | ||
2e0fef85 | 3856 | spin_lock_irq(shost->host_lock); |
c01f3208 | 3857 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 3858 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3859 | |
5024ab17 | 3860 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 3861 | del_timer_sync(&ndlp->nlp_delayfunc); |
3862 | ||
0d2b6b83 JS |
3863 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
3864 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 3865 | |
2e0fef85 | 3866 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 3867 | |
2fe165b6 | 3868 | return 0; |
dea3101e | 3869 | } |
3870 | ||
3871 | /* | |
3872 | * Check to see if we can free the nlp back to the freelist. | |
3873 | * If we are in the middle of using the nlp in the discovery state | |
3874 | * machine, defer the free till we reach the end of the state machine. | |
3875 | */ | |
329f9bc7 | 3876 | static void |
2e0fef85 | 3877 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3878 | { |
a8adb832 | 3879 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 3880 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
3881 | LPFC_MBOXQ_t *mbox; |
3882 | int rc; | |
dea3101e | 3883 | |
0d2b6b83 | 3884 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 JS |
3885 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
3886 | !(ndlp->nlp_flag & NLP_RPI_VALID)) { | |
a8adb832 JS |
3887 | /* For this case we need to cleanup the default rpi |
3888 | * allocated by the firmware. | |
3889 | */ | |
3890 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
3891 | != NULL) { | |
21e9a0a5 | 3892 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
a8adb832 JS |
3893 | (uint8_t *) &vport->fc_sparam, mbox, 0); |
3894 | if (rc) { | |
3895 | mempool_free(mbox, phba->mbox_mem_pool); | |
3896 | } | |
3897 | else { | |
3898 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
3899 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3900 | mbox->vport = vport; | |
09372820 | 3901 | mbox->context2 = NULL; |
a8adb832 JS |
3902 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
3903 | if (rc == MBX_NOT_FINISHED) { | |
3904 | mempool_free(mbox, phba->mbox_mem_pool); | |
3905 | } | |
3906 | } | |
3907 | } | |
3908 | } | |
2e0fef85 | 3909 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 3910 | |
2e0fef85 | 3911 | /* |
92d7f7b0 JS |
3912 | * We can get here with a non-NULL ndlp->rport because when we |
3913 | * unregister a rport we don't break the rport/node linkage. So if we | |
3914 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 3915 | */ |
92d7f7b0 | 3916 | if (ndlp->rport) { |
329f9bc7 JS |
3917 | rdata = ndlp->rport->dd_data; |
3918 | rdata->pnode = NULL; | |
3919 | ndlp->rport = NULL; | |
dea3101e | 3920 | } |
dea3101e | 3921 | } |
3922 | ||
3923 | static int | |
2e0fef85 JS |
3924 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3925 | uint32_t did) | |
dea3101e | 3926 | { |
2e0fef85 | 3927 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 3928 | |
3929 | if (did == Bcast_DID) | |
2fe165b6 | 3930 | return 0; |
dea3101e | 3931 | |
dea3101e | 3932 | /* First check for Direct match */ |
3933 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 3934 | return 1; |
dea3101e | 3935 | |
3936 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 3937 | mydid.un.word = vport->fc_myDID; |
dea3101e | 3938 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 3939 | return 0; |
dea3101e | 3940 | } |
3941 | ||
3942 | matchdid.un.word = did; | |
3943 | ndlpdid.un.word = ndlp->nlp_DID; | |
3944 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
3945 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
3946 | (mydid.un.b.area == matchdid.un.b.area)) { | |
3947 | if ((ndlpdid.un.b.domain == 0) && | |
3948 | (ndlpdid.un.b.area == 0)) { | |
3949 | if (ndlpdid.un.b.id) | |
2fe165b6 | 3950 | return 1; |
dea3101e | 3951 | } |
2fe165b6 | 3952 | return 0; |
dea3101e | 3953 | } |
3954 | ||
3955 | matchdid.un.word = ndlp->nlp_DID; | |
3956 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
3957 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
3958 | if ((matchdid.un.b.domain == 0) && | |
3959 | (matchdid.un.b.area == 0)) { | |
3960 | if (matchdid.un.b.id) | |
2fe165b6 | 3961 | return 1; |
dea3101e | 3962 | } |
3963 | } | |
3964 | } | |
2fe165b6 | 3965 | return 0; |
dea3101e | 3966 | } |
3967 | ||
685f0bf7 | 3968 | /* Search for a nodelist entry */ |
2e0fef85 JS |
3969 | static struct lpfc_nodelist * |
3970 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 3971 | { |
2fb9bd8b | 3972 | struct lpfc_nodelist *ndlp; |
dea3101e | 3973 | uint32_t data1; |
3974 | ||
2e0fef85 JS |
3975 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
3976 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
3977 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
3978 | ((uint32_t) ndlp->nlp_xri << 16) | | |
3979 | ((uint32_t) ndlp->nlp_type << 8) | | |
3980 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
3981 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3982 | "0929 FIND node DID " | |
3983 | "Data: x%p x%x x%x x%x\n", | |
3984 | ndlp, ndlp->nlp_DID, | |
3985 | ndlp->nlp_flag, data1); | |
685f0bf7 | 3986 | return ndlp; |
dea3101e | 3987 | } |
3988 | } | |
66a9ed66 | 3989 | |
dea3101e | 3990 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
3991 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3992 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 3993 | return NULL; |
3994 | } | |
3995 | ||
3996 | struct lpfc_nodelist * | |
2e0fef85 JS |
3997 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
3998 | { | |
3999 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4000 | struct lpfc_nodelist *ndlp; | |
4001 | ||
4002 | spin_lock_irq(shost->host_lock); | |
4003 | ndlp = __lpfc_findnode_did(vport, did); | |
4004 | spin_unlock_irq(shost->host_lock); | |
4005 | return ndlp; | |
4006 | } | |
4007 | ||
4008 | struct lpfc_nodelist * | |
4009 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4010 | { |
2e0fef85 | 4011 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4012 | struct lpfc_nodelist *ndlp; |
dea3101e | 4013 | |
2e0fef85 | 4014 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 4015 | if (!ndlp) { |
2e0fef85 JS |
4016 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
4017 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 4018 | return NULL; |
4019 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 4020 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 4021 | if (!ndlp) |
4022 | return NULL; | |
2e0fef85 JS |
4023 | lpfc_nlp_init(vport, ndlp, did); |
4024 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
4025 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4026 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4027 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4028 | return ndlp; |
e47c9093 JS |
4029 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
4030 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
4031 | if (!ndlp) | |
4032 | return NULL; | |
4033 | spin_lock_irq(shost->host_lock); | |
4034 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4035 | spin_unlock_irq(shost->host_lock); | |
4036 | return ndlp; | |
dea3101e | 4037 | } |
e47c9093 | 4038 | |
58da1ffb JS |
4039 | if ((vport->fc_flag & FC_RSCN_MODE) && |
4040 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 4041 | if (lpfc_rscn_payload_check(vport, did)) { |
87af33fe JS |
4042 | /* If we've already recieved a PLOGI from this NPort |
4043 | * we don't need to try to discover it again. | |
4044 | */ | |
4045 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
4046 | return NULL; | |
4047 | ||
c9f8735b JW |
4048 | /* Since this node is marked for discovery, |
4049 | * delay timeout is not needed. | |
4050 | */ | |
0d2b6b83 | 4051 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
4052 | spin_lock_irq(shost->host_lock); |
4053 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4054 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 4055 | } else |
dea3101e | 4056 | ndlp = NULL; |
2fe165b6 | 4057 | } else { |
87af33fe JS |
4058 | /* If we've already recieved a PLOGI from this NPort, |
4059 | * or we are already in the process of discovery on it, | |
4060 | * we don't need to try to discover it again. | |
4061 | */ | |
685f0bf7 | 4062 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
4063 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4064 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 4065 | return NULL; |
2e0fef85 JS |
4066 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
4067 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4068 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4069 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4070 | } |
4071 | return ndlp; | |
4072 | } | |
4073 | ||
4074 | /* Build a list of nodes to discover based on the loopmap */ | |
4075 | void | |
2e0fef85 | 4076 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 4077 | { |
2e0fef85 | 4078 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4079 | int j; |
4080 | uint32_t alpa, index; | |
4081 | ||
2e0fef85 | 4082 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4083 | return; |
2e0fef85 JS |
4084 | |
4085 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 4086 | return; |
dea3101e | 4087 | |
4088 | /* Check for loop map present or not */ | |
4089 | if (phba->alpa_map[0]) { | |
4090 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
4091 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 4092 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 4093 | continue; |
2e0fef85 | 4094 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4095 | } |
4096 | } else { | |
4097 | /* No alpamap, so try all alpa's */ | |
4098 | for (j = 0; j < FC_MAXLOOP; j++) { | |
4099 | /* If cfg_scan_down is set, start from highest | |
4100 | * ALPA (0xef) to lowest (0x1). | |
4101 | */ | |
3de2a653 | 4102 | if (vport->cfg_scan_down) |
dea3101e | 4103 | index = j; |
4104 | else | |
4105 | index = FC_MAXLOOP - j - 1; | |
4106 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 4107 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 4108 | continue; |
2e0fef85 | 4109 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4110 | } |
4111 | } | |
4112 | return; | |
4113 | } | |
4114 | ||
dea3101e | 4115 | void |
2e0fef85 | 4116 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 4117 | { |
dea3101e | 4118 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
4119 | struct lpfc_sli *psli = &phba->sli; |
4120 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
4121 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
4122 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
4123 | int rc; | |
4124 | ||
92d7f7b0 JS |
4125 | /* |
4126 | * if it's not a physical port or if we already send | |
4127 | * clear_la then don't send it. | |
4128 | */ | |
4129 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
4130 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
4131 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
4132 | return; |
4133 | ||
2e0fef85 JS |
4134 | /* Link up discovery */ |
4135 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
4136 | phba->link_state = LPFC_CLEAR_LA; | |
4137 | lpfc_clear_la(phba, mbox); | |
4138 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
4139 | mbox->vport = vport; | |
0b727fea | 4140 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
4141 | if (rc == MBX_NOT_FINISHED) { |
4142 | mempool_free(mbox, phba->mbox_mem_pool); | |
4143 | lpfc_disc_flush_list(vport); | |
4144 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4145 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4146 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
4147 | phba->link_state = LPFC_HBA_ERROR; |
4148 | } | |
4149 | } | |
4150 | } | |
4151 | ||
4152 | /* Reg_vpi to tell firmware to resume normal operations */ | |
4153 | void | |
4154 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4155 | { | |
4156 | LPFC_MBOXQ_t *regvpimbox; | |
4157 | ||
4158 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4159 | if (regvpimbox) { | |
da0436e9 | 4160 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
4161 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
4162 | regvpimbox->vport = vport; | |
0b727fea | 4163 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
4164 | == MBX_NOT_FINISHED) { |
4165 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
4166 | } |
4167 | } | |
4168 | } | |
4169 | ||
4170 | /* Start Link up / RSCN discovery on NPR nodes */ | |
4171 | void | |
4172 | lpfc_disc_start(struct lpfc_vport *vport) | |
4173 | { | |
4174 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4175 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 4176 | uint32_t num_sent; |
dea3101e | 4177 | uint32_t clear_la_pending; |
685f0bf7 | 4178 | int did_changed; |
dea3101e | 4179 | |
2e0fef85 | 4180 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4181 | return; |
2e0fef85 JS |
4182 | |
4183 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 4184 | clear_la_pending = 1; |
4185 | else | |
4186 | clear_la_pending = 0; | |
4187 | ||
2e0fef85 JS |
4188 | if (vport->port_state < LPFC_VPORT_READY) |
4189 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 4190 | |
2e0fef85 JS |
4191 | lpfc_set_disctmo(vport); |
4192 | ||
4193 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 4194 | did_changed = 0; |
2e0fef85 | 4195 | else |
dea3101e | 4196 | did_changed = 1; |
2e0fef85 JS |
4197 | |
4198 | vport->fc_prevDID = vport->fc_myDID; | |
4199 | vport->num_disc_nodes = 0; | |
dea3101e | 4200 | |
4201 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
4202 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4203 | "0202 Start Discovery hba state x%x " | |
4204 | "Data: x%x x%x x%x\n", | |
4205 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
4206 | vport->fc_adisc_cnt); | |
dea3101e | 4207 | |
4208 | /* First do ADISCs - if any */ | |
2e0fef85 | 4209 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 4210 | |
4211 | if (num_sent) | |
4212 | return; | |
4213 | ||
92d7f7b0 JS |
4214 | /* |
4215 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
4216 | * continue discovery. | |
4217 | */ | |
4218 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1b32f6aa | 4219 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
4220 | !(vport->fc_flag & FC_RSCN_MODE) && |
4221 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
92d7f7b0 JS |
4222 | lpfc_issue_reg_vpi(phba, vport); |
4223 | return; | |
4224 | } | |
4225 | ||
4226 | /* | |
4227 | * For SLI2, we need to set port_state to READY and continue | |
4228 | * discovery. | |
4229 | */ | |
2e0fef85 | 4230 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 4231 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 4232 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 4233 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 4234 | |
92d7f7b0 | 4235 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
4236 | vport->num_disc_nodes = 0; |
4237 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
4238 | if (vport->fc_npr_cnt) | |
4239 | lpfc_els_disc_plogi(vport); | |
4240 | ||
4241 | if (!vport->num_disc_nodes) { | |
4242 | spin_lock_irq(shost->host_lock); | |
4243 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
4244 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4245 | lpfc_can_disctmo(vport); |
dea3101e | 4246 | } |
4247 | } | |
92d7f7b0 | 4248 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4249 | } else { |
4250 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 4251 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 4252 | |
4253 | if (num_sent) | |
4254 | return; | |
4255 | ||
2e0fef85 | 4256 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 4257 | /* Check to see if more RSCNs came in while we |
4258 | * were processing this one. | |
4259 | */ | |
2e0fef85 JS |
4260 | if ((vport->fc_rscn_id_cnt == 0) && |
4261 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
4262 | spin_lock_irq(shost->host_lock); | |
4263 | vport->fc_flag &= ~FC_RSCN_MODE; | |
4264 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4265 | lpfc_can_disctmo(vport); |
2fe165b6 | 4266 | } else |
2e0fef85 | 4267 | lpfc_els_handle_rscn(vport); |
dea3101e | 4268 | } |
4269 | } | |
4270 | return; | |
4271 | } | |
4272 | ||
4273 | /* | |
4274 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
4275 | * ring the match the sppecified nodelist. | |
4276 | */ | |
4277 | static void | |
2e0fef85 | 4278 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4279 | { |
2534ba75 | 4280 | LIST_HEAD(completions); |
dea3101e | 4281 | struct lpfc_sli *psli; |
4282 | IOCB_t *icmd; | |
4283 | struct lpfc_iocbq *iocb, *next_iocb; | |
4284 | struct lpfc_sli_ring *pring; | |
dea3101e | 4285 | |
4286 | psli = &phba->sli; | |
4287 | pring = &psli->ring[LPFC_ELS_RING]; | |
4288 | ||
4289 | /* Error matching iocb on txq or txcmplq | |
4290 | * First check the txq. | |
4291 | */ | |
2e0fef85 | 4292 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4293 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
4294 | if (iocb->context1 != ndlp) { | |
4295 | continue; | |
4296 | } | |
4297 | icmd = &iocb->iocb; | |
4298 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
4299 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
4300 | ||
2534ba75 | 4301 | list_move_tail(&iocb->list, &completions); |
dea3101e | 4302 | pring->txq_cnt--; |
dea3101e | 4303 | } |
4304 | } | |
4305 | ||
4306 | /* Next check the txcmplq */ | |
4307 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
4308 | if (iocb->context1 != ndlp) { | |
4309 | continue; | |
4310 | } | |
4311 | icmd = &iocb->iocb; | |
2e0fef85 JS |
4312 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
4313 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
4314 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
4315 | } | |
4316 | } | |
2e0fef85 | 4317 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4318 | |
a257bf90 JS |
4319 | /* Cancel all the IOCBs from the completions list */ |
4320 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4321 | IOERR_SLI_ABORTED); | |
dea3101e | 4322 | } |
4323 | ||
a6ababd2 | 4324 | static void |
2e0fef85 | 4325 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 4326 | { |
4327 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 4328 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4329 | |
2e0fef85 JS |
4330 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
4331 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 4332 | nlp_listp) { |
e47c9093 JS |
4333 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4334 | continue; | |
685f0bf7 JS |
4335 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4336 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
4337 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 4338 | } |
dea3101e | 4339 | } |
4340 | } | |
dea3101e | 4341 | } |
4342 | ||
92d7f7b0 JS |
4343 | void |
4344 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
4345 | { | |
4346 | lpfc_els_flush_rscn(vport); | |
4347 | lpfc_els_flush_cmd(vport); | |
4348 | lpfc_disc_flush_list(vport); | |
4349 | } | |
4350 | ||
dea3101e | 4351 | /*****************************************************************************/ |
4352 | /* | |
4353 | * NAME: lpfc_disc_timeout | |
4354 | * | |
4355 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
4356 | * | |
4357 | * EXECUTION ENVIRONMENT: interrupt only | |
4358 | * | |
4359 | * CALLED FROM: | |
4360 | * Timer function | |
4361 | * | |
4362 | * RETURNS: | |
4363 | * none | |
4364 | */ | |
4365 | /*****************************************************************************/ | |
4366 | void | |
4367 | lpfc_disc_timeout(unsigned long ptr) | |
4368 | { | |
2e0fef85 JS |
4369 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
4370 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 4371 | uint32_t tmo_posted; |
dea3101e | 4372 | unsigned long flags = 0; |
4373 | ||
4374 | if (unlikely(!phba)) | |
4375 | return; | |
4376 | ||
5e9d9b82 JS |
4377 | spin_lock_irqsave(&vport->work_port_lock, flags); |
4378 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
4379 | if (!tmo_posted) | |
2e0fef85 | 4380 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 4381 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 4382 | |
5e9d9b82 JS |
4383 | if (!tmo_posted) |
4384 | lpfc_worker_wake_up(phba); | |
dea3101e | 4385 | return; |
4386 | } | |
4387 | ||
4388 | static void | |
2e0fef85 | 4389 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 4390 | { |
2e0fef85 JS |
4391 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4392 | struct lpfc_hba *phba = vport->phba; | |
4393 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 4394 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 4395 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 4396 | int rc, clrlaerr = 0; |
4397 | ||
2e0fef85 | 4398 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 4399 | return; |
4400 | ||
2e0fef85 JS |
4401 | spin_lock_irq(shost->host_lock); |
4402 | vport->fc_flag &= ~FC_DISC_TMO; | |
4403 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4404 | |
858c9f6c JS |
4405 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4406 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
4407 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
4408 | ||
2e0fef85 | 4409 | switch (vport->port_state) { |
dea3101e | 4410 | |
4411 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
4412 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
4413 | * FAN | |
4414 | */ | |
4415 | /* FAN timeout */ | |
e8b62011 JS |
4416 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
4417 | "0221 FAN timeout\n"); | |
c9f8735b | 4418 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 4419 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 4420 | nlp_listp) { |
e47c9093 JS |
4421 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4422 | continue; | |
685f0bf7 JS |
4423 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
4424 | continue; | |
c9f8735b JW |
4425 | if (ndlp->nlp_type & NLP_FABRIC) { |
4426 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 4427 | lpfc_drop_node(vport, ndlp); |
87af33fe | 4428 | |
2fe165b6 | 4429 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
4430 | /* Fail outstanding IO now since device |
4431 | * is marked for PLOGI. | |
4432 | */ | |
2e0fef85 | 4433 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
4434 | } |
4435 | } | |
92d7f7b0 | 4436 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 | 4437 | lpfc_initial_flogi(vport); |
0ff10d46 | 4438 | return; |
92d7f7b0 | 4439 | } |
dea3101e | 4440 | break; |
4441 | ||
92d7f7b0 | 4442 | case LPFC_FDISC: |
dea3101e | 4443 | case LPFC_FLOGI: |
2e0fef85 | 4444 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 4445 | /* Initial FLOGI timeout */ |
e8b62011 JS |
4446 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4447 | "0222 Initial %s timeout\n", | |
87af33fe | 4448 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e | 4449 | |
4450 | /* Assume no Fabric and go on with discovery. | |
4451 | * Check for outstanding ELS FLOGI to abort. | |
4452 | */ | |
4453 | ||
4454 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 4455 | lpfc_disc_list_loopmap(vport); |
dea3101e | 4456 | |
4457 | /* Start discovery */ | |
2e0fef85 | 4458 | lpfc_disc_start(vport); |
dea3101e | 4459 | break; |
4460 | ||
4461 | case LPFC_FABRIC_CFG_LINK: | |
4462 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
4463 | NameServer login */ | |
e8b62011 JS |
4464 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4465 | "0223 Timeout while waiting for " | |
4466 | "NameServer login\n"); | |
dea3101e | 4467 | /* Next look for NameServer ndlp */ |
2e0fef85 | 4468 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 4469 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
4470 | lpfc_els_abort(phba, ndlp); |
4471 | ||
4472 | /* ReStart discovery */ | |
4473 | goto restart_disc; | |
dea3101e | 4474 | |
4475 | case LPFC_NS_QRY: | |
4476 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
4477 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4478 | "0224 NameServer Query timeout " | |
4479 | "Data: x%x x%x\n", | |
4480 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4481 | |
92d7f7b0 JS |
4482 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
4483 | /* Try it one more time */ | |
4484 | vport->fc_ns_retry++; | |
4485 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
4486 | vport->fc_ns_retry, 0); | |
4487 | if (rc == 0) | |
4488 | break; | |
dea3101e | 4489 | } |
92d7f7b0 | 4490 | vport->fc_ns_retry = 0; |
dea3101e | 4491 | |
87af33fe | 4492 | restart_disc: |
92d7f7b0 JS |
4493 | /* |
4494 | * Discovery is over. | |
4495 | * set port_state to PORT_READY if SLI2. | |
4496 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4497 | */ | |
3772a991 JS |
4498 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4499 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4500 | lpfc_issue_reg_vpi(phba, vport); | |
4501 | else { /* NPIV Not enabled */ | |
4502 | lpfc_issue_clear_la(phba, vport); | |
4503 | vport->port_state = LPFC_VPORT_READY; | |
4504 | } | |
dea3101e | 4505 | } |
4506 | ||
4507 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
4508 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4509 | if (!initlinkmbox) { | |
e8b62011 JS |
4510 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4511 | "0206 Device Discovery " | |
4512 | "completion error\n"); | |
2e0fef85 | 4513 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4514 | break; |
4515 | } | |
4516 | ||
4517 | lpfc_linkdown(phba); | |
4518 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
4519 | phba->cfg_link_speed); | |
04c68496 | 4520 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 4521 | initlinkmbox->vport = vport; |
92d7f7b0 | 4522 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4523 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 4524 | lpfc_set_loopback_flag(phba); |
dea3101e | 4525 | if (rc == MBX_NOT_FINISHED) |
4526 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
4527 | ||
4528 | break; | |
4529 | ||
4530 | case LPFC_DISC_AUTH: | |
4531 | /* Node Authentication timeout */ | |
e8b62011 JS |
4532 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4533 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
4534 | lpfc_disc_flush_list(vport); |
4535 | ||
92d7f7b0 JS |
4536 | /* |
4537 | * set port_state to PORT_READY if SLI2. | |
4538 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4539 | */ | |
3772a991 JS |
4540 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4541 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4542 | lpfc_issue_reg_vpi(phba, vport); | |
4543 | else { /* NPIV Not enabled */ | |
4544 | lpfc_issue_clear_la(phba, vport); | |
4545 | vport->port_state = LPFC_VPORT_READY; | |
4546 | } | |
dea3101e | 4547 | } |
4548 | break; | |
4549 | ||
2e0fef85 JS |
4550 | case LPFC_VPORT_READY: |
4551 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
4552 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4553 | "0231 RSCN timeout Data: x%x " | |
4554 | "x%x\n", | |
4555 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4556 | |
4557 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 4558 | lpfc_els_flush_cmd(vport); |
dea3101e | 4559 | |
2e0fef85 JS |
4560 | lpfc_els_flush_rscn(vport); |
4561 | lpfc_disc_flush_list(vport); | |
dea3101e | 4562 | } |
4563 | break; | |
2e0fef85 | 4564 | |
92d7f7b0 | 4565 | default: |
e8b62011 | 4566 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 4567 | "0273 Unexpected discovery timeout, " |
e8b62011 | 4568 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
4569 | break; |
4570 | } | |
4571 | ||
4572 | switch (phba->link_state) { | |
4573 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 4574 | /* CLEAR LA timeout */ |
e8b62011 JS |
4575 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4576 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
4577 | clrlaerr = 1; |
4578 | break; | |
4579 | ||
09372820 JS |
4580 | case LPFC_LINK_UP: |
4581 | lpfc_issue_clear_la(phba, vport); | |
4582 | /* Drop thru */ | |
2e0fef85 JS |
4583 | case LPFC_LINK_UNKNOWN: |
4584 | case LPFC_WARM_START: | |
4585 | case LPFC_INIT_START: | |
4586 | case LPFC_INIT_MBX_CMDS: | |
4587 | case LPFC_LINK_DOWN: | |
2e0fef85 | 4588 | case LPFC_HBA_ERROR: |
e8b62011 JS |
4589 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4590 | "0230 Unexpected timeout, hba link " | |
4591 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
4592 | clrlaerr = 1; |
4593 | break; | |
92d7f7b0 JS |
4594 | |
4595 | case LPFC_HBA_READY: | |
4596 | break; | |
dea3101e | 4597 | } |
4598 | ||
4599 | if (clrlaerr) { | |
2e0fef85 | 4600 | lpfc_disc_flush_list(vport); |
a4bc3379 | 4601 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 4602 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
4603 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 4604 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4605 | } |
4606 | ||
4607 | return; | |
4608 | } | |
4609 | ||
dea3101e | 4610 | /* |
4611 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
4612 | * command upon completion. It is setup in the LPFC_MBOXQ | |
4613 | * as the completion routine when the command is | |
4614 | * handed off to the SLI layer. | |
4615 | */ | |
4616 | void | |
2e0fef85 | 4617 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 4618 | { |
04c68496 | 4619 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
4620 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
4621 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
4622 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 4623 | |
4624 | pmb->context1 = NULL; | |
4625 | ||
dea3101e | 4626 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 4627 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 4628 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 4629 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 4630 | |
2e0fef85 JS |
4631 | /* |
4632 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
4633 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
4634 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 4635 | */ |
2e0fef85 | 4636 | |
3de2a653 | 4637 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
4638 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
4639 | else | |
4640 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 4641 | |
fa4066b6 JS |
4642 | /* decrement the node reference count held for this callback |
4643 | * function. | |
4644 | */ | |
329f9bc7 | 4645 | lpfc_nlp_put(ndlp); |
dea3101e | 4646 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
4647 | kfree(mp); | |
329f9bc7 | 4648 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 4649 | |
4650 | return; | |
4651 | } | |
4652 | ||
685f0bf7 JS |
4653 | static int |
4654 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
4655 | { | |
4656 | uint16_t *rpi = param; | |
4657 | ||
4658 | return ndlp->nlp_rpi == *rpi; | |
4659 | } | |
4660 | ||
4661 | static int | |
4662 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
4663 | { | |
4664 | return memcmp(&ndlp->nlp_portname, param, | |
4665 | sizeof(ndlp->nlp_portname)) == 0; | |
4666 | } | |
4667 | ||
a6ababd2 | 4668 | static struct lpfc_nodelist * |
2e0fef85 | 4669 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 4670 | { |
21568f53 | 4671 | struct lpfc_nodelist *ndlp; |
dea3101e | 4672 | |
2e0fef85 | 4673 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
87af33fe | 4674 | if (filter(ndlp, param)) |
685f0bf7 JS |
4675 | return ndlp; |
4676 | } | |
21568f53 | 4677 | return NULL; |
dea3101e | 4678 | } |
4679 | ||
685f0bf7 JS |
4680 | /* |
4681 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 4682 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
4683 | */ |
4684 | struct lpfc_nodelist * | |
2e0fef85 | 4685 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 4686 | { |
2e0fef85 | 4687 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
4688 | } |
4689 | ||
488d1469 | 4690 | /* |
685f0bf7 | 4691 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 4692 | * returns the node element list pointer else return NULL. |
488d1469 JS |
4693 | */ |
4694 | struct lpfc_nodelist * | |
2e0fef85 | 4695 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 4696 | { |
2e0fef85 | 4697 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 4698 | struct lpfc_nodelist *ndlp; |
488d1469 | 4699 | |
2e0fef85 JS |
4700 | spin_lock_irq(shost->host_lock); |
4701 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
4702 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 4703 | return ndlp; |
488d1469 JS |
4704 | } |
4705 | ||
dea3101e | 4706 | void |
2e0fef85 JS |
4707 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4708 | uint32_t did) | |
dea3101e | 4709 | { |
4710 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
4711 | |
4712 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 4713 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
4714 | |
4715 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4716 | "node init: did:x%x", | |
4717 | ndlp->nlp_DID, 0, 0); | |
4718 | ||
dea3101e | 4719 | return; |
4720 | } | |
329f9bc7 | 4721 | |
98c9ea5c JS |
4722 | /* This routine releases all resources associated with a specifc NPort's ndlp |
4723 | * and mempool_free's the nodelist. | |
4724 | */ | |
311464ec | 4725 | static void |
329f9bc7 JS |
4726 | lpfc_nlp_release(struct kref *kref) |
4727 | { | |
e47c9093 JS |
4728 | struct lpfc_hba *phba; |
4729 | unsigned long flags; | |
329f9bc7 JS |
4730 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
4731 | kref); | |
858c9f6c JS |
4732 | |
4733 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4734 | "node release: did:x%x flg:x%x type:x%x", | |
4735 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
4736 | ||
e47c9093 JS |
4737 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
4738 | "0279 lpfc_nlp_release: ndlp:x%p " | |
4739 | "usgmap:x%x refcnt:%d\n", | |
4740 | (void *)ndlp, ndlp->nlp_usg_map, | |
4741 | atomic_read(&ndlp->kref.refcount)); | |
4742 | ||
4743 | /* remove ndlp from action. */ | |
2e0fef85 | 4744 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
4745 | |
4746 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 4747 | phba = ndlp->phba; |
e47c9093 JS |
4748 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4749 | NLP_CLR_NODE_ACT(ndlp); | |
4750 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4751 | ||
4752 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
4753 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4754 | kfree(ndlp->lat_data); | |
a257bf90 | 4755 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 4756 | } |
329f9bc7 JS |
4757 | } |
4758 | ||
98c9ea5c JS |
4759 | /* This routine bumps the reference count for a ndlp structure to ensure |
4760 | * that one discovery thread won't free a ndlp while another discovery thread | |
4761 | * is using it. | |
4762 | */ | |
329f9bc7 JS |
4763 | struct lpfc_nodelist * |
4764 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
4765 | { | |
e47c9093 JS |
4766 | struct lpfc_hba *phba; |
4767 | unsigned long flags; | |
4768 | ||
98c9ea5c JS |
4769 | if (ndlp) { |
4770 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4771 | "node get: did:x%x flg:x%x refcnt:x%x", | |
4772 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4773 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4774 | /* The check of ndlp usage to prevent incrementing the |
4775 | * ndlp reference count that is in the process of being | |
4776 | * released. | |
4777 | */ | |
a257bf90 | 4778 | phba = ndlp->phba; |
e47c9093 JS |
4779 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4780 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
4781 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4782 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4783 | "0276 lpfc_nlp_get: ndlp:x%p " | |
4784 | "usgmap:x%x refcnt:%d\n", | |
4785 | (void *)ndlp, ndlp->nlp_usg_map, | |
4786 | atomic_read(&ndlp->kref.refcount)); | |
4787 | return NULL; | |
4788 | } else | |
4789 | kref_get(&ndlp->kref); | |
4790 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 4791 | } |
329f9bc7 JS |
4792 | return ndlp; |
4793 | } | |
4794 | ||
98c9ea5c | 4795 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
4796 | * count goes to 0, this indicates the the associated nodelist should be |
4797 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
4798 | * other hand, returning 0 indicates the ndlp resource has not been released | |
4799 | * yet. | |
98c9ea5c | 4800 | */ |
329f9bc7 JS |
4801 | int |
4802 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
4803 | { | |
e47c9093 JS |
4804 | struct lpfc_hba *phba; |
4805 | unsigned long flags; | |
4806 | ||
4807 | if (!ndlp) | |
4808 | return 1; | |
4809 | ||
4810 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4811 | "node put: did:x%x flg:x%x refcnt:x%x", | |
4812 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4813 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 4814 | phba = ndlp->phba; |
e47c9093 JS |
4815 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4816 | /* Check the ndlp memory free acknowledge flag to avoid the | |
4817 | * possible race condition that kref_put got invoked again | |
4818 | * after previous one has done ndlp memory free. | |
4819 | */ | |
4820 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
4821 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4822 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4823 | "0274 lpfc_nlp_put: ndlp:x%p " | |
4824 | "usgmap:x%x refcnt:%d\n", | |
4825 | (void *)ndlp, ndlp->nlp_usg_map, | |
4826 | atomic_read(&ndlp->kref.refcount)); | |
4827 | return 1; | |
4828 | } | |
4829 | /* Check the ndlp inactivate log flag to avoid the possible | |
4830 | * race condition that kref_put got invoked again after ndlp | |
4831 | * is already in inactivating state. | |
4832 | */ | |
4833 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
4834 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4835 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4836 | "0275 lpfc_nlp_put: ndlp:x%p " | |
4837 | "usgmap:x%x refcnt:%d\n", | |
4838 | (void *)ndlp, ndlp->nlp_usg_map, | |
4839 | atomic_read(&ndlp->kref.refcount)); | |
4840 | return 1; | |
98c9ea5c | 4841 | } |
e47c9093 JS |
4842 | /* For last put, mark the ndlp usage flags to make sure no |
4843 | * other kref_get and kref_put on the same ndlp shall get | |
4844 | * in between the process when the final kref_put has been | |
4845 | * invoked on this ndlp. | |
4846 | */ | |
4847 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
4848 | /* Indicate ndlp is put to inactive state. */ | |
4849 | NLP_SET_IACT_REQ(ndlp); | |
4850 | /* Acknowledge ndlp memory free has been seen. */ | |
4851 | if (NLP_CHK_FREE_REQ(ndlp)) | |
4852 | NLP_SET_FREE_ACK(ndlp); | |
4853 | } | |
4854 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4855 | /* Note, the kref_put returns 1 when decrementing a reference | |
4856 | * count that was 1, it invokes the release callback function, | |
4857 | * but it still left the reference count as 1 (not actually | |
4858 | * performs the last decrementation). Otherwise, it actually | |
4859 | * decrements the reference count and returns 0. | |
4860 | */ | |
4861 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 4862 | } |
98c9ea5c JS |
4863 | |
4864 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
4865 | * by any other discovery thread. This routine returns 1 if the |
4866 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
4867 | * not yet been released. | |
98c9ea5c JS |
4868 | */ |
4869 | int | |
4870 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
4871 | { | |
4872 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4873 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
4874 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4875 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4876 | if (atomic_read(&ndlp->kref.refcount) == 1) |
4877 | if (lpfc_nlp_put(ndlp)) | |
4878 | return 1; | |
98c9ea5c JS |
4879 | return 0; |
4880 | } | |
6fb120a7 JS |
4881 | |
4882 | /** | |
4883 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
4884 | * @phba: Pointer to hba context object. | |
4885 | * | |
4886 | * This function iterate through all FC nodes associated | |
4887 | * will all vports to check if there is any node with | |
4888 | * fc_rports associated with it. If there is an fc_rport | |
4889 | * associated with the node, then the node is either in | |
4890 | * discovered state or its devloss_timer is pending. | |
4891 | */ | |
4892 | static int | |
4893 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
4894 | { | |
4895 | struct lpfc_vport **vports; | |
4896 | int i, ret = 0; | |
4897 | struct lpfc_nodelist *ndlp; | |
4898 | struct Scsi_Host *shost; | |
4899 | ||
4900 | vports = lpfc_create_vport_work_array(phba); | |
4901 | ||
4902 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
4903 | shost = lpfc_shost_from_vport(vports[i]); | |
4904 | spin_lock_irq(shost->host_lock); | |
4905 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
4906 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
4907 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
4908 | ret = 1; | |
4909 | spin_unlock_irq(shost->host_lock); | |
4910 | goto out; | |
891478a2 JS |
4911 | } else { |
4912 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
4913 | "2624 RPI %x DID %x flg %x still " | |
4914 | "logged in\n", | |
4915 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
4916 | ndlp->nlp_flag); | |
4917 | if (ndlp->nlp_flag & NLP_RPI_VALID) | |
4918 | ret = 1; | |
6fb120a7 JS |
4919 | } |
4920 | } | |
4921 | spin_unlock_irq(shost->host_lock); | |
4922 | } | |
4923 | out: | |
4924 | lpfc_destroy_vport_work_array(phba, vports); | |
4925 | return ret; | |
4926 | } | |
4927 | ||
4928 | /** | |
4929 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
4930 | * @phba: Pointer to hba context object. | |
4931 | * @mboxq: Pointer to mailbox object. | |
4932 | * | |
4933 | * This function frees memory associated with the mailbox command. | |
4934 | */ | |
4935 | static void | |
4936 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
4937 | { | |
4938 | struct lpfc_vport *vport = mboxq->vport; | |
4939 | ||
4940 | if (mboxq->u.mb.mbxStatus) { | |
4941 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4942 | "2555 UNREG_VFI mbxStatus error x%x " | |
4943 | "HBA state x%x\n", | |
4944 | mboxq->u.mb.mbxStatus, vport->port_state); | |
4945 | } | |
4946 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4947 | return; | |
4948 | } | |
4949 | ||
4950 | /** | |
4951 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
4952 | * @phba: Pointer to hba context object. | |
4953 | * @mboxq: Pointer to mailbox object. | |
4954 | * | |
4955 | * This function frees memory associated with the mailbox command. | |
4956 | */ | |
4957 | static void | |
4958 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
4959 | { | |
4960 | struct lpfc_vport *vport = mboxq->vport; | |
4961 | ||
4962 | if (mboxq->u.mb.mbxStatus) { | |
4963 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4964 | "2550 UNREG_FCFI mbxStatus error x%x " | |
4965 | "HBA state x%x\n", | |
4966 | mboxq->u.mb.mbxStatus, vport->port_state); | |
4967 | } | |
4968 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4969 | return; | |
4970 | } | |
4971 | ||
4972 | /** | |
ecfd03c6 | 4973 | * lpfc_unregister_fcf_prep - Unregister fcf record preparation |
6fb120a7 JS |
4974 | * @phba: Pointer to hba context object. |
4975 | * | |
ecfd03c6 JS |
4976 | * This function prepare the HBA for unregistering the currently registered |
4977 | * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and | |
4978 | * VFIs. | |
6fb120a7 | 4979 | */ |
ecfd03c6 JS |
4980 | int |
4981 | lpfc_unregister_fcf_prep(struct lpfc_hba *phba) | |
6fb120a7 JS |
4982 | { |
4983 | LPFC_MBOXQ_t *mbox; | |
6fb120a7 | 4984 | struct lpfc_vport **vports; |
695a814e | 4985 | struct lpfc_nodelist *ndlp; |
72100cc4 | 4986 | struct Scsi_Host *shost; |
ecfd03c6 | 4987 | int i, rc; |
6fb120a7 | 4988 | |
ecfd03c6 | 4989 | /* Unregister RPIs */ |
6fb120a7 | 4990 | if (lpfc_fcf_inuse(phba)) |
ecfd03c6 | 4991 | lpfc_unreg_hba_rpis(phba); |
6fb120a7 | 4992 | |
4d9ab994 JS |
4993 | /* At this point, all discovery is aborted */ |
4994 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
4995 | |
4996 | /* Unregister VPIs */ | |
4997 | vports = lpfc_create_vport_work_array(phba); | |
ecfd03c6 | 4998 | if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) |
6fb120a7 | 4999 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
695a814e JS |
5000 | /* Stop FLOGI/FDISC retries */ |
5001 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
5002 | if (ndlp) | |
5003 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
78730cfe | 5004 | lpfc_cleanup_pending_mbox(vports[i]); |
6fb120a7 | 5005 | lpfc_mbx_unreg_vpi(vports[i]); |
72100cc4 JS |
5006 | shost = lpfc_shost_from_vport(vports[i]); |
5007 | spin_lock_irq(shost->host_lock); | |
891478a2 | 5008 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 5009 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
72100cc4 | 5010 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
5011 | } |
5012 | lpfc_destroy_vport_work_array(phba, vports); | |
5013 | ||
695a814e JS |
5014 | /* Cleanup any outstanding ELS commands */ |
5015 | lpfc_els_flush_all_cmd(phba); | |
5016 | ||
6fb120a7 JS |
5017 | /* Unregister VFI */ |
5018 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5019 | if (!mbox) { | |
5020 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5021 | "2556 UNREG_VFI mbox allocation failed" |
5022 | "HBA state x%x\n", phba->pport->port_state); | |
5023 | return -ENOMEM; | |
6fb120a7 JS |
5024 | } |
5025 | ||
6669f9bb | 5026 | lpfc_unreg_vfi(mbox, phba->pport); |
6fb120a7 JS |
5027 | mbox->vport = phba->pport; |
5028 | mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl; | |
5029 | ||
5030 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5031 | if (rc == MBX_NOT_FINISHED) { | |
5032 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5033 | "2557 UNREG_VFI issue mbox failed rc x%x " |
5034 | "HBA state x%x\n", | |
5035 | rc, phba->pport->port_state); | |
6fb120a7 | 5036 | mempool_free(mbox, phba->mbox_mem_pool); |
ecfd03c6 | 5037 | return -EIO; |
6fb120a7 JS |
5038 | } |
5039 | ||
72100cc4 JS |
5040 | shost = lpfc_shost_from_vport(phba->pport); |
5041 | spin_lock_irq(shost->host_lock); | |
695a814e | 5042 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; |
72100cc4 | 5043 | spin_unlock_irq(shost->host_lock); |
695a814e | 5044 | |
ecfd03c6 JS |
5045 | return 0; |
5046 | } | |
5047 | ||
5048 | /** | |
5049 | * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record | |
5050 | * @phba: Pointer to hba context object. | |
5051 | * | |
5052 | * This function issues synchronous unregister FCF mailbox command to HBA to | |
5053 | * unregister the currently registered FCF record. The driver does not reset | |
5054 | * the driver FCF usage state flags. | |
5055 | * | |
5056 | * Return 0 if successfully issued, none-zero otherwise. | |
5057 | */ | |
5058 | int | |
5059 | lpfc_sli4_unregister_fcf(struct lpfc_hba *phba) | |
5060 | { | |
5061 | LPFC_MBOXQ_t *mbox; | |
5062 | int rc; | |
5063 | ||
6fb120a7 JS |
5064 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5065 | if (!mbox) { | |
5066 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5067 | "2551 UNREG_FCFI mbox allocation failed" |
5068 | "HBA state x%x\n", phba->pport->port_state); | |
5069 | return -ENOMEM; | |
6fb120a7 | 5070 | } |
6fb120a7 JS |
5071 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); |
5072 | mbox->vport = phba->pport; | |
5073 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
5074 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5075 | ||
5076 | if (rc == MBX_NOT_FINISHED) { | |
ecfd03c6 JS |
5077 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5078 | "2552 Unregister FCFI command failed rc x%x " | |
5079 | "HBA state x%x\n", | |
5080 | rc, phba->pport->port_state); | |
5081 | return -EINVAL; | |
5082 | } | |
5083 | return 0; | |
5084 | } | |
5085 | ||
5086 | /** | |
5087 | * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan | |
5088 | * @phba: Pointer to hba context object. | |
5089 | * | |
5090 | * This function unregisters the currently reigstered FCF. This function | |
5091 | * also tries to find another FCF for discovery by rescan the HBA FCF table. | |
5092 | */ | |
5093 | void | |
5094 | lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) | |
5095 | { | |
5096 | int rc; | |
5097 | ||
5098 | /* Preparation for unregistering fcf */ | |
5099 | rc = lpfc_unregister_fcf_prep(phba); | |
5100 | if (rc) { | |
5101 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5102 | "2748 Failed to prepare for unregistering " | |
5103 | "HBA's FCF record: rc=%d\n", rc); | |
6fb120a7 JS |
5104 | return; |
5105 | } | |
5106 | ||
ecfd03c6 JS |
5107 | /* Now, unregister FCF record and reset HBA FCF state */ |
5108 | rc = lpfc_sli4_unregister_fcf(phba); | |
5109 | if (rc) | |
5110 | return; | |
5111 | /* Reset HBA FCF states after successful unregister FCF */ | |
5112 | phba->fcf.fcf_flag = 0; | |
fc2b989b | 5113 | phba->fcf.current_rec.flag = 0; |
6fb120a7 JS |
5114 | |
5115 | /* | |
5116 | * If driver is not unloading, check if there is any other | |
5117 | * FCF record that can be used for discovery. | |
5118 | */ | |
5119 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
ecfd03c6 | 5120 | (phba->link_state < LPFC_LINK_UP)) |
6fb120a7 JS |
5121 | return; |
5122 | ||
0c9ab6f5 JS |
5123 | /* This is considered as the initial FCF discovery scan */ |
5124 | spin_lock_irq(&phba->hbalock); | |
5125 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
5126 | spin_unlock_irq(&phba->hbalock); | |
5127 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
6fb120a7 | 5128 | |
0c9ab6f5 JS |
5129 | if (rc) { |
5130 | spin_lock_irq(&phba->hbalock); | |
5131 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
5132 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 5133 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, |
ecfd03c6 JS |
5134 | "2553 lpfc_unregister_unused_fcf failed " |
5135 | "to read FCF record HBA state x%x\n", | |
5136 | phba->pport->port_state); | |
0c9ab6f5 | 5137 | } |
ecfd03c6 JS |
5138 | } |
5139 | ||
5140 | /** | |
5141 | * lpfc_unregister_fcf - Unregister the currently registered fcf record | |
5142 | * @phba: Pointer to hba context object. | |
5143 | * | |
5144 | * This function just unregisters the currently reigstered FCF. It does not | |
5145 | * try to find another FCF for discovery. | |
5146 | */ | |
5147 | void | |
5148 | lpfc_unregister_fcf(struct lpfc_hba *phba) | |
5149 | { | |
5150 | int rc; | |
5151 | ||
5152 | /* Preparation for unregistering fcf */ | |
5153 | rc = lpfc_unregister_fcf_prep(phba); | |
5154 | if (rc) { | |
5155 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5156 | "2749 Failed to prepare for unregistering " | |
5157 | "HBA's FCF record: rc=%d\n", rc); | |
5158 | return; | |
5159 | } | |
5160 | ||
5161 | /* Now, unregister FCF record and reset HBA FCF state */ | |
5162 | rc = lpfc_sli4_unregister_fcf(phba); | |
5163 | if (rc) | |
5164 | return; | |
5165 | /* Set proper HBA FCF states after successful unregister FCF */ | |
5166 | spin_lock_irq(&phba->hbalock); | |
5167 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
5168 | spin_unlock_irq(&phba->hbalock); | |
5169 | } | |
5170 | ||
5171 | /** | |
5172 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
5173 | * @phba: Pointer to hba context object. | |
5174 | * | |
5175 | * This function check if there are any connected remote port for the FCF and | |
5176 | * if all the devices are disconnected, this function unregister FCFI. | |
5177 | * This function also tries to use another FCF for discovery. | |
5178 | */ | |
5179 | void | |
5180 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
5181 | { | |
5182 | /* | |
5183 | * If HBA is not running in FIP mode or if HBA does not support | |
5184 | * FCoE or if FCF is not registered, do nothing. | |
5185 | */ | |
5186 | spin_lock_irq(&phba->hbalock); | |
5187 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT) || | |
5188 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || | |
5189 | !(phba->hba_flag & HBA_FIP_SUPPORT)) { | |
5190 | spin_unlock_irq(&phba->hbalock); | |
5191 | return; | |
5192 | } | |
5193 | spin_unlock_irq(&phba->hbalock); | |
5194 | ||
5195 | if (lpfc_fcf_inuse(phba)) | |
5196 | return; | |
5197 | ||
5198 | lpfc_unregister_fcf_rescan(phba); | |
6fb120a7 JS |
5199 | } |
5200 | ||
5201 | /** | |
5202 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
5203 | * @phba: Pointer to hba context object. | |
5204 | * @buff: Buffer containing the FCF connection table as in the config | |
5205 | * region. | |
5206 | * This function create driver data structure for the FCF connection | |
5207 | * record table read from config region 23. | |
5208 | */ | |
5209 | static void | |
5210 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
5211 | uint8_t *buff) | |
5212 | { | |
5213 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5214 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
5215 | struct lpfc_fcf_conn_rec *conn_rec; | |
5216 | uint32_t record_count; | |
5217 | int i; | |
5218 | ||
5219 | /* Free the current connect table */ | |
5220 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5221 | &phba->fcf_conn_rec_list, list) { |
5222 | list_del_init(&conn_entry->list); | |
6fb120a7 | 5223 | kfree(conn_entry); |
4d9ab994 | 5224 | } |
6fb120a7 JS |
5225 | |
5226 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
5227 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
5228 | sizeof(struct lpfc_fcf_conn_rec); | |
5229 | ||
5230 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
5231 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
5232 | ||
5233 | for (i = 0; i < record_count; i++) { | |
5234 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
5235 | continue; | |
5236 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
5237 | GFP_KERNEL); | |
5238 | if (!conn_entry) { | |
5239 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5240 | "2566 Failed to allocate connection" | |
5241 | " table entry\n"); | |
5242 | return; | |
5243 | } | |
5244 | ||
5245 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
5246 | sizeof(struct lpfc_fcf_conn_rec)); | |
5247 | conn_entry->conn_rec.vlan_tag = | |
5248 | le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF; | |
5249 | conn_entry->conn_rec.flags = | |
5250 | le16_to_cpu(conn_entry->conn_rec.flags); | |
5251 | list_add_tail(&conn_entry->list, | |
5252 | &phba->fcf_conn_rec_list); | |
5253 | } | |
5254 | } | |
5255 | ||
5256 | /** | |
5257 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
5258 | * @phba: Pointer to hba context object. | |
5259 | * @buff: Buffer containing the FCoE parameter data structure. | |
5260 | * | |
5261 | * This function update driver data structure with config | |
5262 | * parameters read from config region 23. | |
5263 | */ | |
5264 | static void | |
5265 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
5266 | uint8_t *buff) | |
5267 | { | |
5268 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
5269 | struct lpfc_fcoe_params *fcoe_param; | |
5270 | ||
5271 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
5272 | buff; | |
5273 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 5274 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
5275 | |
5276 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
5277 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
5278 | return; | |
5279 | ||
6fb120a7 JS |
5280 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
5281 | phba->valid_vlan = 1; | |
5282 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
5283 | 0xFFF; | |
5284 | } | |
5285 | ||
5286 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
5287 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
5288 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
5289 | return; | |
5290 | } | |
5291 | ||
5292 | /** | |
5293 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
5294 | * @buff: Buffer containing config region 23 data. | |
5295 | * @size: Size of the data buffer. | |
5296 | * @rec_type: Record type to be searched. | |
5297 | * | |
5298 | * This function searches config region data to find the begining | |
5299 | * of the record specified by record_type. If record found, this | |
5300 | * function return pointer to the record else return NULL. | |
5301 | */ | |
5302 | static uint8_t * | |
5303 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
5304 | { | |
5305 | uint32_t offset = 0, rec_length; | |
5306 | ||
5307 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
5308 | (size < sizeof(uint32_t))) | |
5309 | return NULL; | |
5310 | ||
5311 | rec_length = buff[offset + 1]; | |
5312 | ||
5313 | /* | |
5314 | * One TLV record has one word header and number of data words | |
5315 | * specified in the rec_length field of the record header. | |
5316 | */ | |
5317 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
5318 | <= size) { | |
5319 | if (buff[offset] == rec_type) | |
5320 | return &buff[offset]; | |
5321 | ||
5322 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
5323 | return NULL; | |
5324 | ||
5325 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
5326 | rec_length = buff[offset + 1]; | |
5327 | } | |
5328 | return NULL; | |
5329 | } | |
5330 | ||
5331 | /** | |
5332 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
5333 | * @phba: Pointer to lpfc_hba data structure. | |
5334 | * @buff: Buffer containing config region 23 data. | |
5335 | * @size: Size of the data buffer. | |
5336 | * | |
5337 | * This fuction parse the FCoE config parameters in config region 23 and | |
5338 | * populate driver data structure with the parameters. | |
5339 | */ | |
5340 | void | |
5341 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
5342 | uint8_t *buff, | |
5343 | uint32_t size) | |
5344 | { | |
5345 | uint32_t offset = 0, rec_length; | |
5346 | uint8_t *rec_ptr; | |
5347 | ||
5348 | /* | |
5349 | * If data size is less than 2 words signature and version cannot be | |
5350 | * verified. | |
5351 | */ | |
5352 | if (size < 2*sizeof(uint32_t)) | |
5353 | return; | |
5354 | ||
5355 | /* Check the region signature first */ | |
5356 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
5357 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5358 | "2567 Config region 23 has bad signature\n"); | |
5359 | return; | |
5360 | } | |
5361 | ||
5362 | offset += 4; | |
5363 | ||
5364 | /* Check the data structure version */ | |
5365 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
5366 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5367 | "2568 Config region 23 has bad version\n"); | |
5368 | return; | |
5369 | } | |
5370 | offset += 4; | |
5371 | ||
5372 | rec_length = buff[offset + 1]; | |
5373 | ||
5374 | /* Read FCoE param record */ | |
5375 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5376 | size - offset, FCOE_PARAM_TYPE); | |
5377 | if (rec_ptr) | |
5378 | lpfc_read_fcoe_param(phba, rec_ptr); | |
5379 | ||
5380 | /* Read FCF connection table */ | |
5381 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5382 | size - offset, FCOE_CONN_TBL_TYPE); | |
5383 | if (rec_ptr) | |
5384 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
5385 | ||
5386 | } |