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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. * |
d4379acd | 4 | * Copyright (C) 2004-2012 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> |
a93ff37a | 23 | #include <linux/delay.h> |
5a0e3ad6 | 24 | #include <linux/slab.h> |
dea3101e | 25 | #include <linux/pci.h> |
26 | #include <linux/kthread.h> | |
27 | #include <linux/interrupt.h> | |
28 | ||
91886523 | 29 | #include <scsi/scsi.h> |
dea3101e | 30 | #include <scsi/scsi_device.h> |
31 | #include <scsi/scsi_host.h> | |
32 | #include <scsi/scsi_transport_fc.h> | |
33 | ||
da0436e9 | 34 | #include "lpfc_hw4.h" |
dea3101e | 35 | #include "lpfc_hw.h" |
ea2151b4 | 36 | #include "lpfc_nl.h" |
dea3101e | 37 | #include "lpfc_disc.h" |
38 | #include "lpfc_sli.h" | |
da0436e9 | 39 | #include "lpfc_sli4.h" |
dea3101e | 40 | #include "lpfc_scsi.h" |
41 | #include "lpfc.h" | |
42 | #include "lpfc_logmsg.h" | |
43 | #include "lpfc_crtn.h" | |
92d7f7b0 | 44 | #include "lpfc_vport.h" |
858c9f6c | 45 | #include "lpfc_debugfs.h" |
dea3101e | 46 | |
47 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
48 | static uint8_t lpfcAlpaArray[] = { | |
49 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
50 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
51 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
52 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
53 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
54 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
55 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
56 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
57 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
58 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
59 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
60 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
61 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
62 | }; | |
63 | ||
2e0fef85 | 64 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
a6ababd2 | 65 | static void lpfc_disc_flush_list(struct lpfc_vport *vport); |
32b9793f | 66 | static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); |
a93ff37a | 67 | static int lpfc_fcf_inuse(struct lpfc_hba *); |
dea3101e | 68 | |
c01f3208 JS |
69 | void |
70 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 71 | { |
c01f3208 JS |
72 | struct lpfc_rport_data *rdata; |
73 | struct lpfc_nodelist * ndlp; | |
74 | struct lpfc_hba *phba; | |
dea3101e | 75 | |
c01f3208 JS |
76 | rdata = rport->dd_data; |
77 | ndlp = rdata->pnode; | |
78 | ||
58da1ffb | 79 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
c01f3208 JS |
80 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) |
81 | printk(KERN_ERR "Cannot find remote node" | |
82 | " to terminate I/O Data x%x\n", | |
83 | rport->port_id); | |
dea3101e | 84 | return; |
85 | } | |
86 | ||
a257bf90 | 87 | phba = ndlp->phba; |
c01f3208 | 88 | |
858c9f6c JS |
89 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
90 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
91 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
92 | ||
c01f3208 | 93 | if (ndlp->nlp_sid != NLP_NO_SID) { |
51ef4c26 JS |
94 | lpfc_sli_abort_iocb(ndlp->vport, |
95 | &phba->sli.ring[phba->sli.fcp_ring], | |
96 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
c01f3208 | 97 | } |
c01f3208 JS |
98 | } |
99 | ||
100 | /* | |
101 | * This function will be called when dev_loss_tmo fire. | |
102 | */ | |
103 | void | |
104 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
105 | { | |
106 | struct lpfc_rport_data *rdata; | |
107 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 108 | struct lpfc_vport *vport; |
858c9f6c | 109 | struct lpfc_hba *phba; |
858c9f6c | 110 | struct lpfc_work_evt *evtp; |
a8adb832 JS |
111 | int put_node; |
112 | int put_rport; | |
c01f3208 JS |
113 | |
114 | rdata = rport->dd_data; | |
115 | ndlp = rdata->pnode; | |
58da1ffb | 116 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
c01f3208 | 117 | return; |
c01f3208 | 118 | |
858c9f6c JS |
119 | vport = ndlp->vport; |
120 | phba = vport->phba; | |
121 | ||
122 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
123 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
124 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
125 | ||
a8adb832 JS |
126 | /* Don't defer this if we are in the process of deleting the vport |
127 | * or unloading the driver. The unload will cleanup the node | |
128 | * appropriately we just need to cleanup the ndlp rport info here. | |
129 | */ | |
130 | if (vport->load_flag & FC_UNLOADING) { | |
131 | put_node = rdata->pnode != NULL; | |
132 | put_rport = ndlp->rport != NULL; | |
133 | rdata->pnode = NULL; | |
134 | ndlp->rport = NULL; | |
135 | if (put_node) | |
136 | lpfc_nlp_put(ndlp); | |
137 | if (put_rport) | |
138 | put_device(&rport->dev); | |
139 | return; | |
140 | } | |
141 | ||
142 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
143 | return; | |
144 | ||
858c9f6c JS |
145 | evtp = &ndlp->dev_loss_evt; |
146 | ||
147 | if (!list_empty(&evtp->evt_listp)) | |
148 | return; | |
149 | ||
150 | spin_lock_irq(&phba->hbalock); | |
fa4066b6 JS |
151 | /* We need to hold the node by incrementing the reference |
152 | * count until this queued work is done | |
153 | */ | |
154 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); | |
5e9d9b82 JS |
155 | if (evtp->evt_arg1) { |
156 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
157 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
158 | lpfc_worker_wake_up(phba); | |
159 | } | |
858c9f6c JS |
160 | spin_unlock_irq(&phba->hbalock); |
161 | ||
858c9f6c JS |
162 | return; |
163 | } | |
164 | ||
a93ff37a JS |
165 | /** |
166 | * lpfc_dev_loss_tmo_handler - Remote node devloss timeout handler | |
167 | * @ndlp: Pointer to remote node object. | |
168 | * | |
169 | * This function is called from the worker thread when devloss timeout timer | |
170 | * expires. For SLI4 host, this routine shall return 1 when at lease one | |
171 | * remote node, including this @ndlp, is still in use of FCF; otherwise, this | |
172 | * routine shall return 0 when there is no remote node is still in use of FCF | |
173 | * when devloss timeout happened to this @ndlp. | |
174 | **/ | |
175 | static int | |
858c9f6c JS |
176 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) |
177 | { | |
178 | struct lpfc_rport_data *rdata; | |
179 | struct fc_rport *rport; | |
180 | struct lpfc_vport *vport; | |
181 | struct lpfc_hba *phba; | |
182 | uint8_t *name; | |
87af33fe JS |
183 | int put_node; |
184 | int put_rport; | |
858c9f6c | 185 | int warn_on = 0; |
a93ff37a | 186 | int fcf_inuse = 0; |
858c9f6c JS |
187 | |
188 | rport = ndlp->rport; | |
189 | ||
190 | if (!rport) | |
a93ff37a | 191 | return fcf_inuse; |
858c9f6c JS |
192 | |
193 | rdata = rport->dd_data; | |
194 | name = (uint8_t *) &ndlp->nlp_portname; | |
195 | vport = ndlp->vport; | |
196 | phba = vport->phba; | |
197 | ||
a93ff37a JS |
198 | if (phba->sli_rev == LPFC_SLI_REV4) |
199 | fcf_inuse = lpfc_fcf_inuse(phba); | |
200 | ||
858c9f6c JS |
201 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, |
202 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
203 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
204 | ||
a8adb832 JS |
205 | /* Don't defer this if we are in the process of deleting the vport |
206 | * or unloading the driver. The unload will cleanup the node | |
207 | * appropriately we just need to cleanup the ndlp rport info here. | |
208 | */ | |
209 | if (vport->load_flag & FC_UNLOADING) { | |
09372820 JS |
210 | if (ndlp->nlp_sid != NLP_NO_SID) { |
211 | /* flush the target */ | |
212 | lpfc_sli_abort_iocb(vport, | |
213 | &phba->sli.ring[phba->sli.fcp_ring], | |
214 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
215 | } | |
a8adb832 JS |
216 | put_node = rdata->pnode != NULL; |
217 | put_rport = ndlp->rport != NULL; | |
218 | rdata->pnode = NULL; | |
219 | ndlp->rport = NULL; | |
220 | if (put_node) | |
221 | lpfc_nlp_put(ndlp); | |
222 | if (put_rport) | |
223 | put_device(&rport->dev); | |
a93ff37a | 224 | return fcf_inuse; |
a8adb832 JS |
225 | } |
226 | ||
d7c255b2 JS |
227 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { |
228 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
229 | "0284 Devloss timeout Ignored on " | |
230 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
231 | "NPort x%x\n", | |
232 | *name, *(name+1), *(name+2), *(name+3), | |
233 | *(name+4), *(name+5), *(name+6), *(name+7), | |
234 | ndlp->nlp_DID); | |
a93ff37a | 235 | return fcf_inuse; |
d7c255b2 | 236 | } |
858c9f6c | 237 | |
92d7f7b0 JS |
238 | if (ndlp->nlp_type & NLP_FABRIC) { |
239 | /* We will clean up these Nodes in linkup */ | |
240 | put_node = rdata->pnode != NULL; | |
241 | put_rport = ndlp->rport != NULL; | |
242 | rdata->pnode = NULL; | |
243 | ndlp->rport = NULL; | |
244 | if (put_node) | |
245 | lpfc_nlp_put(ndlp); | |
246 | if (put_rport) | |
247 | put_device(&rport->dev); | |
a93ff37a | 248 | return fcf_inuse; |
92d7f7b0 | 249 | } |
82085718 | 250 | |
dea3101e | 251 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 252 | warn_on = 1; |
dea3101e | 253 | /* flush the target */ |
51ef4c26 JS |
254 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
255 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 256 | } |
c01f3208 | 257 | |
6e8215e4 | 258 | if (warn_on) { |
e8b62011 JS |
259 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
260 | "0203 Devloss timeout on " | |
58da1ffb JS |
261 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
262 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
263 | *name, *(name+1), *(name+2), *(name+3), |
264 | *(name+4), *(name+5), *(name+6), *(name+7), | |
265 | ndlp->nlp_DID, ndlp->nlp_flag, | |
266 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 267 | } else { |
e8b62011 JS |
268 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
269 | "0204 Devloss timeout on " | |
58da1ffb JS |
270 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
271 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
272 | *name, *(name+1), *(name+2), *(name+3), |
273 | *(name+4), *(name+5), *(name+6), *(name+7), | |
274 | ndlp->nlp_DID, ndlp->nlp_flag, | |
275 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
276 | } |
277 | ||
87af33fe JS |
278 | put_node = rdata->pnode != NULL; |
279 | put_rport = ndlp->rport != NULL; | |
280 | rdata->pnode = NULL; | |
281 | ndlp->rport = NULL; | |
282 | if (put_node) | |
283 | lpfc_nlp_put(ndlp); | |
284 | if (put_rport) | |
285 | put_device(&rport->dev); | |
286 | ||
2e0fef85 | 287 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 288 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 | 289 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
ffc95493 | 290 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
589a52d6 JS |
291 | (ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) && |
292 | (ndlp->nlp_state != NLP_STE_PRLI_ISSUE)) | |
2e0fef85 | 293 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
6fb120a7 | 294 | |
a93ff37a JS |
295 | return fcf_inuse; |
296 | } | |
297 | ||
298 | /** | |
299 | * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler | |
300 | * @phba: Pointer to hba context object. | |
301 | * @fcf_inuse: SLI4 FCF in-use state reported from devloss timeout handler. | |
302 | * @nlp_did: remote node identifer with devloss timeout. | |
303 | * | |
304 | * This function is called from the worker thread after invoking devloss | |
305 | * timeout handler and releasing the reference count for the ndlp with | |
306 | * which the devloss timeout was handled for SLI4 host. For the devloss | |
307 | * timeout of the last remote node which had been in use of FCF, when this | |
308 | * routine is invoked, it shall be guaranteed that none of the remote are | |
309 | * in-use of FCF. When devloss timeout to the last remote using the FCF, | |
310 | * if the FIP engine is neither in FCF table scan process nor roundrobin | |
311 | * failover process, the in-use FCF shall be unregistered. If the FIP | |
312 | * engine is in FCF discovery process, the devloss timeout state shall | |
313 | * be set for either the FCF table scan process or roundrobin failover | |
314 | * process to unregister the in-use FCF. | |
315 | **/ | |
316 | static void | |
317 | lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse, | |
318 | uint32_t nlp_did) | |
319 | { | |
320 | /* If devloss timeout happened to a remote node when FCF had no | |
321 | * longer been in-use, do nothing. | |
322 | */ | |
323 | if (!fcf_inuse) | |
324 | return; | |
325 | ||
326 | if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) { | |
327 | spin_lock_irq(&phba->hbalock); | |
328 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { | |
329 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
330 | spin_unlock_irq(&phba->hbalock); | |
331 | return; | |
332 | } | |
333 | phba->hba_flag |= HBA_DEVLOSS_TMO; | |
334 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
335 | "2847 Last remote node (x%x) using " | |
336 | "FCF devloss tmo\n", nlp_did); | |
337 | } | |
338 | if (phba->fcf.fcf_flag & FCF_REDISC_PROG) { | |
339 | spin_unlock_irq(&phba->hbalock); | |
340 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
341 | "2868 Devloss tmo to FCF rediscovery " | |
342 | "in progress\n"); | |
343 | return; | |
344 | } | |
345 | if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) { | |
346 | spin_unlock_irq(&phba->hbalock); | |
347 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
348 | "2869 Devloss tmo to idle FIP engine, " | |
349 | "unreg in-use FCF and rescan.\n"); | |
350 | /* Unregister in-use FCF and rescan */ | |
351 | lpfc_unregister_fcf_rescan(phba); | |
352 | return; | |
353 | } | |
354 | spin_unlock_irq(&phba->hbalock); | |
355 | if (phba->hba_flag & FCF_TS_INPROG) | |
356 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
357 | "2870 FCF table scan in progress\n"); | |
358 | if (phba->hba_flag & FCF_RR_INPROG) | |
359 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
360 | "2871 FLOGI roundrobin FCF failover " | |
361 | "in progress\n"); | |
362 | } | |
6fb120a7 | 363 | lpfc_unregister_unused_fcf(phba); |
92d7f7b0 | 364 | } |
c01f3208 | 365 | |
ea2151b4 | 366 | /** |
3621a710 | 367 | * lpfc_alloc_fast_evt - Allocates data structure for posting event |
ea2151b4 JS |
368 | * @phba: Pointer to hba context object. |
369 | * | |
370 | * This function is called from the functions which need to post | |
371 | * events from interrupt context. This function allocates data | |
372 | * structure required for posting event. It also keeps track of | |
373 | * number of events pending and prevent event storm when there are | |
374 | * too many events. | |
375 | **/ | |
376 | struct lpfc_fast_path_event * | |
377 | lpfc_alloc_fast_evt(struct lpfc_hba *phba) { | |
378 | struct lpfc_fast_path_event *ret; | |
379 | ||
380 | /* If there are lot of fast event do not exhaust memory due to this */ | |
381 | if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) | |
382 | return NULL; | |
383 | ||
384 | ret = kzalloc(sizeof(struct lpfc_fast_path_event), | |
385 | GFP_ATOMIC); | |
6fb120a7 | 386 | if (ret) { |
ea2151b4 | 387 | atomic_inc(&phba->fast_event_count); |
6fb120a7 JS |
388 | INIT_LIST_HEAD(&ret->work_evt.evt_listp); |
389 | ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; | |
390 | } | |
ea2151b4 JS |
391 | return ret; |
392 | } | |
393 | ||
394 | /** | |
3621a710 | 395 | * lpfc_free_fast_evt - Frees event data structure |
ea2151b4 JS |
396 | * @phba: Pointer to hba context object. |
397 | * @evt: Event object which need to be freed. | |
398 | * | |
399 | * This function frees the data structure required for posting | |
400 | * events. | |
401 | **/ | |
402 | void | |
403 | lpfc_free_fast_evt(struct lpfc_hba *phba, | |
404 | struct lpfc_fast_path_event *evt) { | |
405 | ||
406 | atomic_dec(&phba->fast_event_count); | |
407 | kfree(evt); | |
408 | } | |
409 | ||
410 | /** | |
3621a710 | 411 | * lpfc_send_fastpath_evt - Posts events generated from fast path |
ea2151b4 JS |
412 | * @phba: Pointer to hba context object. |
413 | * @evtp: Event data structure. | |
414 | * | |
415 | * This function is called from worker thread, when the interrupt | |
416 | * context need to post an event. This function posts the event | |
417 | * to fc transport netlink interface. | |
418 | **/ | |
419 | static void | |
420 | lpfc_send_fastpath_evt(struct lpfc_hba *phba, | |
421 | struct lpfc_work_evt *evtp) | |
422 | { | |
423 | unsigned long evt_category, evt_sub_category; | |
424 | struct lpfc_fast_path_event *fast_evt_data; | |
425 | char *evt_data; | |
426 | uint32_t evt_data_size; | |
427 | struct Scsi_Host *shost; | |
428 | ||
429 | fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, | |
430 | work_evt); | |
431 | ||
432 | evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; | |
433 | evt_sub_category = (unsigned long) fast_evt_data->un. | |
434 | fabric_evt.subcategory; | |
435 | shost = lpfc_shost_from_vport(fast_evt_data->vport); | |
436 | if (evt_category == FC_REG_FABRIC_EVENT) { | |
437 | if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { | |
438 | evt_data = (char *) &fast_evt_data->un.read_check_error; | |
439 | evt_data_size = sizeof(fast_evt_data->un. | |
440 | read_check_error); | |
441 | } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || | |
eaf15d5b | 442 | (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { |
ea2151b4 JS |
443 | evt_data = (char *) &fast_evt_data->un.fabric_evt; |
444 | evt_data_size = sizeof(fast_evt_data->un.fabric_evt); | |
445 | } else { | |
446 | lpfc_free_fast_evt(phba, fast_evt_data); | |
447 | return; | |
448 | } | |
449 | } else if (evt_category == FC_REG_SCSI_EVENT) { | |
450 | switch (evt_sub_category) { | |
451 | case LPFC_EVENT_QFULL: | |
452 | case LPFC_EVENT_DEVBSY: | |
453 | evt_data = (char *) &fast_evt_data->un.scsi_evt; | |
454 | evt_data_size = sizeof(fast_evt_data->un.scsi_evt); | |
455 | break; | |
456 | case LPFC_EVENT_CHECK_COND: | |
457 | evt_data = (char *) &fast_evt_data->un.check_cond_evt; | |
458 | evt_data_size = sizeof(fast_evt_data->un. | |
459 | check_cond_evt); | |
460 | break; | |
461 | case LPFC_EVENT_VARQUEDEPTH: | |
462 | evt_data = (char *) &fast_evt_data->un.queue_depth_evt; | |
463 | evt_data_size = sizeof(fast_evt_data->un. | |
464 | queue_depth_evt); | |
465 | break; | |
466 | default: | |
467 | lpfc_free_fast_evt(phba, fast_evt_data); | |
468 | return; | |
469 | } | |
470 | } else { | |
471 | lpfc_free_fast_evt(phba, fast_evt_data); | |
472 | return; | |
473 | } | |
474 | ||
475 | fc_host_post_vendor_event(shost, | |
476 | fc_get_event_number(), | |
477 | evt_data_size, | |
478 | evt_data, | |
ddcc50f0 | 479 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
480 | |
481 | lpfc_free_fast_evt(phba, fast_evt_data); | |
482 | return; | |
483 | } | |
484 | ||
dea3101e | 485 | static void |
2e0fef85 | 486 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 487 | { |
488 | struct lpfc_work_evt *evtp = NULL; | |
489 | struct lpfc_nodelist *ndlp; | |
490 | int free_evt; | |
a93ff37a JS |
491 | int fcf_inuse; |
492 | uint32_t nlp_did; | |
dea3101e | 493 | |
2e0fef85 JS |
494 | spin_lock_irq(&phba->hbalock); |
495 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 496 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
497 | evt_listp); | |
2e0fef85 | 498 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 499 | free_evt = 1; |
2fe165b6 | 500 | switch (evtp->evt) { |
dea3101e | 501 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 502 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 503 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 504 | free_evt = 0; /* evt is part of ndlp */ |
fa4066b6 JS |
505 | /* decrement the node reference count held |
506 | * for this queued work | |
507 | */ | |
508 | lpfc_nlp_put(ndlp); | |
dea3101e | 509 | break; |
858c9f6c JS |
510 | case LPFC_EVT_DEV_LOSS: |
511 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
a93ff37a | 512 | fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp); |
858c9f6c | 513 | free_evt = 0; |
fa4066b6 JS |
514 | /* decrement the node reference count held for |
515 | * this queued work | |
516 | */ | |
a93ff37a | 517 | nlp_did = ndlp->nlp_DID; |
858c9f6c | 518 | lpfc_nlp_put(ndlp); |
a93ff37a JS |
519 | if (phba->sli_rev == LPFC_SLI_REV4) |
520 | lpfc_sli4_post_dev_loss_tmo_handler(phba, | |
521 | fcf_inuse, | |
522 | nlp_did); | |
858c9f6c | 523 | break; |
dea3101e | 524 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
525 | if (phba->link_state < LPFC_LINK_DOWN) |
526 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 527 | else |
2e0fef85 | 528 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 529 | complete((struct completion *)(evtp->evt_arg2)); |
530 | break; | |
46fa311e | 531 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 532 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
533 | lpfc_offline_prep(phba); |
534 | *(int *)(evtp->evt_arg1) = 0; | |
535 | complete((struct completion *)(evtp->evt_arg2)); | |
536 | break; | |
537 | case LPFC_EVT_OFFLINE: | |
538 | lpfc_offline(phba); | |
41415862 JW |
539 | lpfc_sli_brdrestart(phba); |
540 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
541 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
542 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
543 | complete((struct completion *)(evtp->evt_arg2)); |
544 | break; | |
545 | case LPFC_EVT_WARM_START: | |
46fa311e | 546 | lpfc_offline(phba); |
9290831f | 547 | lpfc_reset_barrier(phba); |
41415862 JW |
548 | lpfc_sli_brdreset(phba); |
549 | lpfc_hba_down_post(phba); | |
550 | *(int *)(evtp->evt_arg1) = | |
551 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 552 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
553 | complete((struct completion *)(evtp->evt_arg2)); |
554 | break; | |
555 | case LPFC_EVT_KILL: | |
46fa311e | 556 | lpfc_offline(phba); |
9290831f | 557 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
558 | = (phba->pport->stopped) |
559 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 560 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 561 | complete((struct completion *)(evtp->evt_arg2)); |
562 | break; | |
ea2151b4 JS |
563 | case LPFC_EVT_FASTPATH_MGMT_EVT: |
564 | lpfc_send_fastpath_evt(phba, evtp); | |
565 | free_evt = 0; | |
566 | break; | |
78730cfe JS |
567 | case LPFC_EVT_RESET_HBA: |
568 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
569 | lpfc_reset_hba(phba); | |
570 | break; | |
dea3101e | 571 | } |
572 | if (free_evt) | |
573 | kfree(evtp); | |
2e0fef85 | 574 | spin_lock_irq(&phba->hbalock); |
dea3101e | 575 | } |
2e0fef85 | 576 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 577 | |
578 | } | |
579 | ||
311464ec | 580 | static void |
2e0fef85 | 581 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 582 | { |
583 | struct lpfc_sli_ring *pring; | |
858c9f6c | 584 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd | 585 | struct lpfc_vport **vports; |
51ef4c26 | 586 | struct lpfc_vport *vport; |
549e55cd | 587 | int i; |
dea3101e | 588 | |
2e0fef85 | 589 | spin_lock_irq(&phba->hbalock); |
dea3101e | 590 | ha_copy = phba->work_ha; |
591 | phba->work_ha = 0; | |
2e0fef85 | 592 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 593 | |
da0436e9 JS |
594 | /* First, try to post the next mailbox command to SLI4 device */ |
595 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
596 | lpfc_sli4_post_async_mbox(phba); | |
597 | ||
2fe165b6 | 598 | if (ha_copy & HA_ERATT) |
9399627f | 599 | /* Handle the error attention event */ |
dea3101e | 600 | lpfc_handle_eratt(phba); |
601 | ||
2fe165b6 | 602 | if (ha_copy & HA_MBATT) |
dea3101e | 603 | lpfc_sli_handle_mb_event(phba); |
604 | ||
2fe165b6 | 605 | if (ha_copy & HA_LATT) |
dea3101e | 606 | lpfc_handle_latt(phba); |
9399627f | 607 | |
da0436e9 JS |
608 | /* Process SLI4 events */ |
609 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
19ca7609 JS |
610 | if (phba->hba_flag & HBA_RRQ_ACTIVE) |
611 | lpfc_handle_rrq_active(phba); | |
da0436e9 JS |
612 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) |
613 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
614 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
615 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
616 | if (phba->hba_flag & ASYNC_EVENT) | |
617 | lpfc_sli4_async_event_proc(phba); | |
618 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
619 | spin_lock_irq(&phba->hbalock); | |
620 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
621 | spin_unlock_irq(&phba->hbalock); | |
622 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
623 | } | |
ecfd03c6 JS |
624 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) |
625 | lpfc_sli4_fcf_redisc_event_proc(phba); | |
da0436e9 JS |
626 | } |
627 | ||
549e55cd JS |
628 | vports = lpfc_create_vport_work_array(phba); |
629 | if (vports != NULL) | |
da0436e9 | 630 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
631 | /* |
632 | * We could have no vports in array if unloading, so if | |
633 | * this happens then just use the pport | |
634 | */ | |
635 | if (vports[i] == NULL && i == 0) | |
636 | vport = phba->pport; | |
637 | else | |
638 | vport = vports[i]; | |
639 | if (vport == NULL) | |
640 | break; | |
58da1ffb | 641 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 642 | work_port_events = vport->work_port_events; |
58da1ffb JS |
643 | vport->work_port_events &= ~work_port_events; |
644 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 645 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 646 | lpfc_disc_timeout_handler(vport); |
549e55cd | 647 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 648 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
649 | if (work_port_events & WORKER_HB_TMO) |
650 | lpfc_hb_timeout_handler(phba); | |
651 | if (work_port_events & WORKER_MBOX_TMO) | |
652 | lpfc_mbox_timeout_handler(phba); | |
653 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
654 | lpfc_unblock_fabric_iocbs(phba); | |
655 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 656 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
657 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
658 | lpfc_ramp_down_queue_handler(phba); | |
659 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
660 | lpfc_ramp_up_queue_handler(phba); | |
92494144 JS |
661 | if (work_port_events & WORKER_DELAYED_DISC_TMO) |
662 | lpfc_delayed_disc_timeout_handler(vport); | |
92d7f7b0 | 663 | } |
09372820 | 664 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 665 | |
858c9f6c JS |
666 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
667 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
668 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
669 | if ((status & HA_RXMASK) || |
670 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 671 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 672 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 673 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
674 | /* Set the lpfc data pending flag */ |
675 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 676 | } else { |
58da1ffb | 677 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
858c9f6c JS |
678 | lpfc_sli_handle_slow_ring_event(phba, pring, |
679 | (status & | |
680 | HA_RXMASK)); | |
858c9f6c | 681 | } |
bc73905a | 682 | if ((phba->sli_rev == LPFC_SLI_REV4) && pring->txq_cnt) |
2a9bf3d0 | 683 | lpfc_drain_txq(phba); |
858c9f6c JS |
684 | /* |
685 | * Turn on Ring interrupts | |
686 | */ | |
3772a991 JS |
687 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
688 | spin_lock_irq(&phba->hbalock); | |
689 | control = readl(phba->HCregaddr); | |
690 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
691 | lpfc_debugfs_slow_ring_trc(phba, | |
692 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
693 | control, ha_copy, 0); | |
694 | ||
695 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
696 | writel(control, phba->HCregaddr); | |
697 | readl(phba->HCregaddr); /* flush */ | |
698 | } else { | |
699 | lpfc_debugfs_slow_ring_trc(phba, | |
700 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
701 | control, ha_copy, 0); | |
702 | } | |
703 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 704 | } |
dea3101e | 705 | } |
2e0fef85 | 706 | lpfc_work_list_done(phba); |
dea3101e | 707 | } |
708 | ||
dea3101e | 709 | int |
710 | lpfc_do_work(void *p) | |
711 | { | |
712 | struct lpfc_hba *phba = p; | |
713 | int rc; | |
dea3101e | 714 | |
715 | set_user_nice(current, -20); | |
043c956f | 716 | current->flags |= PF_NOFREEZE; |
5e9d9b82 | 717 | phba->data_flags = 0; |
dea3101e | 718 | |
3a55b532 | 719 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
720 | /* wait and check worker queue activities */ |
721 | rc = wait_event_interruptible(phba->work_waitq, | |
722 | (test_and_clear_bit(LPFC_DATA_READY, | |
723 | &phba->data_flags) | |
724 | || kthread_should_stop())); | |
3a55b532 JS |
725 | /* Signal wakeup shall terminate the worker thread */ |
726 | if (rc) { | |
727 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
728 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 729 | break; |
3a55b532 | 730 | } |
dea3101e | 731 | |
5e9d9b82 | 732 | /* Attend pending lpfc data processing */ |
dea3101e | 733 | lpfc_work_done(phba); |
dea3101e | 734 | } |
3a55b532 JS |
735 | phba->worker_thread = NULL; |
736 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
737 | "0432 Worker thread stopped.\n"); | |
dea3101e | 738 | return 0; |
739 | } | |
740 | ||
741 | /* | |
742 | * This is only called to handle FC worker events. Since this a rare | |
25985edc | 743 | * occurrence, we allocate a struct lpfc_work_evt structure here instead of |
dea3101e | 744 | * embedding it in the IOCB. |
745 | */ | |
746 | int | |
2e0fef85 | 747 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 748 | uint32_t evt) |
749 | { | |
750 | struct lpfc_work_evt *evtp; | |
ed957684 | 751 | unsigned long flags; |
dea3101e | 752 | |
753 | /* | |
754 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
755 | * be queued to worker thread for processing | |
756 | */ | |
92d7f7b0 | 757 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 758 | if (!evtp) |
759 | return 0; | |
760 | ||
761 | evtp->evt_arg1 = arg1; | |
762 | evtp->evt_arg2 = arg2; | |
763 | evtp->evt = evt; | |
764 | ||
ed957684 | 765 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 766 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 767 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 768 | |
5e9d9b82 JS |
769 | lpfc_worker_wake_up(phba); |
770 | ||
dea3101e | 771 | return 1; |
772 | } | |
773 | ||
92d7f7b0 JS |
774 | void |
775 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
776 | { | |
09372820 | 777 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
778 | struct lpfc_hba *phba = vport->phba; |
779 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
780 | int rc; | |
781 | ||
782 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
783 | if (!NLP_CHK_NODE_ACT(ndlp)) |
784 | continue; | |
92d7f7b0 JS |
785 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
786 | continue; | |
98c9ea5c JS |
787 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
788 | ((vport->port_type == LPFC_NPIV_PORT) && | |
789 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
790 | lpfc_unreg_rpi(vport, ndlp); |
791 | ||
792 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
793 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
794 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
795 | continue; |
796 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
797 | remove | |
798 | ? NLP_EVT_DEVICE_RM | |
799 | : NLP_EVT_DEVICE_RECOVERY); | |
800 | } | |
801 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
5af5eee7 JS |
802 | if (phba->sli_rev == LPFC_SLI_REV4) |
803 | lpfc_sli4_unreg_all_rpis(vport); | |
92d7f7b0 | 804 | lpfc_mbx_unreg_vpi(vport); |
09372820 | 805 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 806 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 807 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
808 | } |
809 | } | |
810 | ||
87af33fe | 811 | void |
98c9ea5c | 812 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 813 | { |
695a814e JS |
814 | lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN); |
815 | ||
45ed1190 JS |
816 | /* Cleanup any outstanding received buffers */ |
817 | lpfc_cleanup_rcv_buffers(vport); | |
818 | ||
92d7f7b0 JS |
819 | /* Cleanup any outstanding RSCN activity */ |
820 | lpfc_els_flush_rscn(vport); | |
821 | ||
822 | /* Cleanup any outstanding ELS commands */ | |
823 | lpfc_els_flush_cmd(vport); | |
824 | ||
825 | lpfc_cleanup_rpis(vport, 0); | |
826 | ||
92d7f7b0 JS |
827 | /* Turn off discovery timer if its running */ |
828 | lpfc_can_disctmo(vport); | |
829 | } | |
830 | ||
3772a991 | 831 | void |
98c9ea5c JS |
832 | lpfc_linkdown_port(struct lpfc_vport *vport) |
833 | { | |
834 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
835 | ||
836 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
837 | ||
838 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
839 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
840 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
841 | ||
842 | lpfc_port_link_failure(vport); | |
843 | ||
92494144 JS |
844 | /* Stop delayed Nport discovery */ |
845 | spin_lock_irq(shost->host_lock); | |
846 | vport->fc_flag &= ~FC_DISC_DELAYED; | |
847 | spin_unlock_irq(shost->host_lock); | |
848 | del_timer_sync(&vport->delayed_disc_tmo); | |
98c9ea5c JS |
849 | } |
850 | ||
dea3101e | 851 | int |
685f0bf7 | 852 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 853 | { |
2e0fef85 JS |
854 | struct lpfc_vport *vport = phba->pport; |
855 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 856 | struct lpfc_vport **vports; |
685f0bf7 | 857 | LPFC_MBOXQ_t *mb; |
549e55cd | 858 | int i; |
dea3101e | 859 | |
3163f725 | 860 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 861 | return 0; |
aacc20e3 JS |
862 | |
863 | /* Block all SCSI stack I/Os */ | |
864 | lpfc_scsi_dev_block(phba); | |
865 | ||
2e0fef85 | 866 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 867 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); |
72100cc4 | 868 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 869 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 870 | phba->link_state = LPFC_LINK_DOWN; |
72100cc4 | 871 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 872 | phba->pport->fc_flag &= ~FC_LBIT; |
72100cc4 | 873 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 874 | } |
549e55cd JS |
875 | vports = lpfc_create_vport_work_array(phba); |
876 | if (vports != NULL) | |
6fb120a7 | 877 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
878 | /* Issue a LINK DOWN event to all nodes */ |
879 | lpfc_linkdown_port(vports[i]); | |
880 | } | |
09372820 | 881 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 882 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
883 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
884 | if (mb) { | |
6d368e53 | 885 | lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb); |
ed957684 | 886 | mb->vport = vport; |
2e0fef85 | 887 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 888 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 889 | == MBX_NOT_FINISHED) { |
2e0fef85 | 890 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 891 | } |
892 | } | |
893 | ||
dea3101e | 894 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
895 | if (phba->pport->fc_flag & FC_PT2PT) { |
896 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
897 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
898 | if (mb) { | |
dea3101e | 899 | lpfc_config_link(phba, mb); |
92d7f7b0 | 900 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 901 | mb->vport = vport; |
0b727fea | 902 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 903 | == MBX_NOT_FINISHED) { |
2e0fef85 | 904 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 905 | } |
906 | } | |
2e0fef85 | 907 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 908 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 909 | spin_unlock_irq(shost->host_lock); |
dea3101e | 910 | } |
2e0fef85 | 911 | |
92d7f7b0 JS |
912 | return 0; |
913 | } | |
dea3101e | 914 | |
92d7f7b0 JS |
915 | static void |
916 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
917 | { | |
918 | struct lpfc_nodelist *ndlp; | |
dea3101e | 919 | |
92d7f7b0 | 920 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
921 | if (!NLP_CHK_NODE_ACT(ndlp)) |
922 | continue; | |
92d7f7b0 JS |
923 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
924 | continue; | |
92d7f7b0 | 925 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
926 | /* On Linkup its safe to clean up the ndlp |
927 | * from Fabric connections. | |
928 | */ | |
92d7f7b0 JS |
929 | if (ndlp->nlp_DID != Fabric_DID) |
930 | lpfc_unreg_rpi(vport, ndlp); | |
931 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
932 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
933 | /* Fail outstanding IO now since device is |
934 | * marked for PLOGI. | |
935 | */ | |
92d7f7b0 JS |
936 | lpfc_unreg_rpi(vport, ndlp); |
937 | } | |
938 | } | |
dea3101e | 939 | } |
940 | ||
92d7f7b0 JS |
941 | static void |
942 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 943 | { |
92d7f7b0 | 944 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
945 | struct lpfc_hba *phba = vport->phba; |
946 | ||
947 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
948 | return; | |
949 | ||
858c9f6c JS |
950 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
951 | "Link Up: top:x%x speed:x%x flg:x%x", | |
952 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
953 | ||
92d7f7b0 JS |
954 | /* If NPIV is not enabled, only bring the physical port up */ |
955 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
956 | (vport != phba->pport)) | |
957 | return; | |
dea3101e | 958 | |
2e0fef85 | 959 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 960 | |
2e0fef85 | 961 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
962 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
963 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
964 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
965 | vport->fc_ns_retry = 0; | |
966 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 967 | |
92d7f7b0 JS |
968 | if (vport->fc_flag & FC_LBIT) |
969 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 970 | |
92d7f7b0 JS |
971 | } |
972 | ||
973 | static int | |
974 | lpfc_linkup(struct lpfc_hba *phba) | |
975 | { | |
549e55cd JS |
976 | struct lpfc_vport **vports; |
977 | int i; | |
92d7f7b0 | 978 | |
19ca7609 | 979 | lpfc_cleanup_wt_rrqs(phba); |
92d7f7b0 JS |
980 | phba->link_state = LPFC_LINK_UP; |
981 | ||
982 | /* Unblock fabric iocbs if they are blocked */ | |
983 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
984 | del_timer_sync(&phba->fabric_block_timer); | |
985 | ||
549e55cd JS |
986 | vports = lpfc_create_vport_work_array(phba); |
987 | if (vports != NULL) | |
6fb120a7 | 988 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 989 | lpfc_linkup_port(vports[i]); |
09372820 | 990 | lpfc_destroy_vport_work_array(phba, vports); |
6fb120a7 JS |
991 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
992 | (phba->sli_rev < LPFC_SLI_REV4)) | |
92d7f7b0 | 993 | lpfc_issue_clear_la(phba, phba->pport); |
dea3101e | 994 | |
995 | return 0; | |
996 | } | |
997 | ||
998 | /* | |
999 | * This routine handles processing a CLEAR_LA mailbox | |
1000 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1001 | * as the completion routine when the command is | |
1002 | * handed off to the SLI layer. | |
1003 | */ | |
a6ababd2 | 1004 | static void |
2e0fef85 | 1005 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1006 | { |
2e0fef85 JS |
1007 | struct lpfc_vport *vport = pmb->vport; |
1008 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1009 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 1010 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 1011 | uint32_t control; |
1012 | ||
dea3101e | 1013 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 1014 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 1015 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
1016 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
1017 | ||
1018 | /* Check for error */ | |
1019 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 1020 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
1021 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1022 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
1023 | "state x%x\n", | |
1024 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 1025 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1026 | goto out; |
1027 | } | |
1028 | ||
92d7f7b0 JS |
1029 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
1030 | phba->link_state = LPFC_HBA_READY; | |
1031 | ||
1032 | spin_lock_irq(&phba->hbalock); | |
1033 | psli->sli_flag |= LPFC_PROCESS_LA; | |
1034 | control = readl(phba->HCregaddr); | |
1035 | control |= HC_LAINT_ENA; | |
1036 | writel(control, phba->HCregaddr); | |
1037 | readl(phba->HCregaddr); /* flush */ | |
1038 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 1039 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 1040 | return; |
dea3101e | 1041 | |
dea3101e | 1042 | out: |
1043 | /* Device Discovery completes */ | |
e8b62011 JS |
1044 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1045 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 1046 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1047 | |
2e0fef85 | 1048 | spin_lock_irq(shost->host_lock); |
58da1ffb | 1049 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 1050 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1051 | |
2e0fef85 | 1052 | lpfc_can_disctmo(vport); |
dea3101e | 1053 | |
1054 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
1055 | |
1056 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 1057 | psli->sli_flag |= LPFC_PROCESS_LA; |
1058 | control = readl(phba->HCregaddr); | |
1059 | control |= HC_LAINT_ENA; | |
1060 | writel(control, phba->HCregaddr); | |
1061 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1062 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1063 | |
1064 | return; | |
1065 | } | |
1066 | ||
2e0fef85 | 1067 | |
dea3101e | 1068 | static void |
25594c6b | 1069 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1070 | { |
2e0fef85 | 1071 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 1072 | |
04c68496 | 1073 | if (pmb->u.mb.mbxStatus) |
dea3101e | 1074 | goto out; |
dea3101e | 1075 | |
25594c6b JW |
1076 | mempool_free(pmb, phba->mbox_mem_pool); |
1077 | ||
1b51197d JS |
1078 | /* don't perform discovery for SLI4 loopback diagnostic test */ |
1079 | if ((phba->sli_rev == LPFC_SLI_REV4) && | |
1080 | !(phba->hba_flag & HBA_FCOE_MODE) && | |
1081 | (phba->link_flag & LS_LOOPBACK_MODE)) | |
1082 | return; | |
1083 | ||
76a95d75 | 1084 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP && |
2e0fef85 JS |
1085 | vport->fc_flag & FC_PUBLIC_LOOP && |
1086 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 1087 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 1088 | * for timeout. port_state is identically |
25594c6b JW |
1089 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
1090 | */ | |
2e0fef85 | 1091 | lpfc_set_disctmo(vport); |
25594c6b | 1092 | return; |
92d7f7b0 | 1093 | } |
dea3101e | 1094 | |
2e0fef85 | 1095 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
1096 | * LPFC_FLOGI while waiting for FLOGI cmpl |
1097 | */ | |
e6446439 | 1098 | if (vport->port_state != LPFC_FLOGI || vport->fc_flag & FC_PT2PT_PLOGI) |
92d7f7b0 | 1099 | lpfc_initial_flogi(vport); |
25594c6b | 1100 | return; |
dea3101e | 1101 | |
1102 | out: | |
e8b62011 JS |
1103 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1104 | "0306 CONFIG_LINK mbxStatus error x%x " | |
1105 | "HBA state x%x\n", | |
04c68496 | 1106 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 1107 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 1108 | |
92d7f7b0 | 1109 | lpfc_linkdown(phba); |
25594c6b | 1110 | |
e8b62011 JS |
1111 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1112 | "0200 CONFIG_LINK bad hba state x%x\n", | |
1113 | vport->port_state); | |
dea3101e | 1114 | |
92d7f7b0 | 1115 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 1116 | return; |
1117 | } | |
1118 | ||
7d791df7 JS |
1119 | /** |
1120 | * lpfc_sli4_clear_fcf_rr_bmask | |
1121 | * @phba pointer to the struct lpfc_hba for this port. | |
1122 | * This fucnction resets the round robin bit mask and clears the | |
1123 | * fcf priority list. The list deletions are done while holding the | |
1124 | * hbalock. The ON_LIST flag and the FLOGI_FAILED flags are cleared | |
1125 | * from the lpfc_fcf_pri record. | |
1126 | **/ | |
1127 | void | |
1128 | lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *phba) | |
1129 | { | |
1130 | struct lpfc_fcf_pri *fcf_pri; | |
1131 | struct lpfc_fcf_pri *next_fcf_pri; | |
1132 | memset(phba->fcf.fcf_rr_bmask, 0, sizeof(*phba->fcf.fcf_rr_bmask)); | |
1133 | spin_lock_irq(&phba->hbalock); | |
1134 | list_for_each_entry_safe(fcf_pri, next_fcf_pri, | |
1135 | &phba->fcf.fcf_pri_list, list) { | |
1136 | list_del_init(&fcf_pri->list); | |
1137 | fcf_pri->fcf_rec.flag = 0; | |
1138 | } | |
1139 | spin_unlock_irq(&phba->hbalock); | |
1140 | } | |
6fb120a7 JS |
1141 | static void |
1142 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1143 | { | |
1144 | struct lpfc_vport *vport = mboxq->vport; | |
6fb120a7 JS |
1145 | |
1146 | if (mboxq->u.mb.mbxStatus) { | |
1147 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1148 | "2017 REG_FCFI mbxStatus error x%x " | |
1149 | "HBA state x%x\n", | |
1150 | mboxq->u.mb.mbxStatus, vport->port_state); | |
a93ff37a | 1151 | goto fail_out; |
6fb120a7 JS |
1152 | } |
1153 | ||
1154 | /* Start FCoE discovery by sending a FLOGI. */ | |
1155 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1156 | /* Set the FCFI registered flag */ | |
d439d286 | 1157 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 1158 | phba->fcf.fcf_flag |= FCF_REGISTERED; |
d439d286 | 1159 | spin_unlock_irq(&phba->hbalock); |
a93ff37a | 1160 | |
32b9793f | 1161 | /* If there is a pending FCoE event, restart FCF table scan. */ |
7d791df7 JS |
1162 | if ((!(phba->hba_flag & FCF_RR_INPROG)) && |
1163 | lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF)) | |
a93ff37a JS |
1164 | goto fail_out; |
1165 | ||
1166 | /* Mark successful completion of FCF table scan */ | |
d439d286 | 1167 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 1168 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
a93ff37a JS |
1169 | phba->hba_flag &= ~FCF_TS_INPROG; |
1170 | if (vport->port_state != LPFC_FLOGI) { | |
1171 | phba->hba_flag |= FCF_RR_INPROG; | |
1172 | spin_unlock_irq(&phba->hbalock); | |
76a95d75 | 1173 | lpfc_issue_init_vfi(vport); |
a93ff37a JS |
1174 | goto out; |
1175 | } | |
1176 | spin_unlock_irq(&phba->hbalock); | |
1177 | goto out; | |
6fb120a7 | 1178 | |
a93ff37a JS |
1179 | fail_out: |
1180 | spin_lock_irq(&phba->hbalock); | |
1181 | phba->hba_flag &= ~FCF_RR_INPROG; | |
1182 | spin_unlock_irq(&phba->hbalock); | |
1183 | out: | |
6fb120a7 | 1184 | mempool_free(mboxq, phba->mbox_mem_pool); |
6fb120a7 JS |
1185 | } |
1186 | ||
1187 | /** | |
1188 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1189 | * @fab_name: pointer to fabric name. | |
1190 | * @new_fcf_record: pointer to fcf record. | |
1191 | * | |
1192 | * This routine compare the fcf record's fabric name with provided | |
1193 | * fabric name. If the fabric name are identical this function | |
1194 | * returns 1 else return 0. | |
1195 | **/ | |
1196 | static uint32_t | |
1197 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1198 | { | |
ecfd03c6 JS |
1199 | if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) |
1200 | return 0; | |
1201 | if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) | |
1202 | return 0; | |
1203 | if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) | |
1204 | return 0; | |
1205 | if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) | |
1206 | return 0; | |
1207 | if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) | |
1208 | return 0; | |
1209 | if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) | |
6fb120a7 | 1210 | return 0; |
ecfd03c6 JS |
1211 | if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) |
1212 | return 0; | |
1213 | if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)) | |
1214 | return 0; | |
1215 | return 1; | |
6fb120a7 JS |
1216 | } |
1217 | ||
8fa38513 JS |
1218 | /** |
1219 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1220 | * @fab_name: pointer to fabric name. | |
1221 | * @new_fcf_record: pointer to fcf record. | |
1222 | * | |
1223 | * This routine compare the fcf record's switch name with provided | |
1224 | * switch name. If the switch name are identical this function | |
1225 | * returns 1 else return 0. | |
1226 | **/ | |
1227 | static uint32_t | |
1228 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1229 | { | |
ecfd03c6 JS |
1230 | if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) |
1231 | return 0; | |
1232 | if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) | |
1233 | return 0; | |
1234 | if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) | |
8fa38513 | 1235 | return 0; |
ecfd03c6 JS |
1236 | if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) |
1237 | return 0; | |
1238 | if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) | |
1239 | return 0; | |
1240 | if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) | |
1241 | return 0; | |
1242 | if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) | |
1243 | return 0; | |
1244 | if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)) | |
1245 | return 0; | |
1246 | return 1; | |
8fa38513 JS |
1247 | } |
1248 | ||
6fb120a7 JS |
1249 | /** |
1250 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
ecfd03c6 | 1251 | * @mac_addr: pointer to mac address. |
6fb120a7 JS |
1252 | * @new_fcf_record: pointer to fcf record. |
1253 | * | |
1254 | * This routine compare the fcf record's mac address with HBA's | |
1255 | * FCF mac address. If the mac addresses are identical this function | |
1256 | * returns 1 else return 0. | |
1257 | **/ | |
1258 | static uint32_t | |
ecfd03c6 | 1259 | lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record) |
6fb120a7 | 1260 | { |
ecfd03c6 JS |
1261 | if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) |
1262 | return 0; | |
1263 | if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) | |
1264 | return 0; | |
1265 | if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) | |
1266 | return 0; | |
1267 | if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) | |
1268 | return 0; | |
1269 | if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) | |
1270 | return 0; | |
1271 | if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record)) | |
6fb120a7 | 1272 | return 0; |
ecfd03c6 JS |
1273 | return 1; |
1274 | } | |
1275 | ||
1276 | static bool | |
1277 | lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id) | |
1278 | { | |
1279 | return (curr_vlan_id == new_vlan_id); | |
6fb120a7 JS |
1280 | } |
1281 | ||
7d791df7 JS |
1282 | /** |
1283 | * lpfc_update_fcf_record - Update driver fcf record | |
1284 | * __lpfc_update_fcf_record_pri - update the lpfc_fcf_pri record. | |
1285 | * @phba: pointer to lpfc hba data structure. | |
1286 | * @fcf_index: Index for the lpfc_fcf_record. | |
1287 | * @new_fcf_record: pointer to hba fcf record. | |
1288 | * | |
1289 | * This routine updates the driver FCF priority record from the new HBA FCF | |
1290 | * record. This routine is called with the host lock held. | |
1291 | **/ | |
1292 | static void | |
1293 | __lpfc_update_fcf_record_pri(struct lpfc_hba *phba, uint16_t fcf_index, | |
1294 | struct fcf_record *new_fcf_record | |
1295 | ) | |
1296 | { | |
1297 | struct lpfc_fcf_pri *fcf_pri; | |
1298 | ||
1299 | fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
1300 | fcf_pri->fcf_rec.fcf_index = fcf_index; | |
1301 | /* FCF record priority */ | |
1302 | fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority; | |
1303 | ||
1304 | } | |
1305 | ||
6fb120a7 JS |
1306 | /** |
1307 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
ecfd03c6 | 1308 | * @fcf: pointer to driver fcf record. |
6fb120a7 JS |
1309 | * @new_fcf_record: pointer to fcf record. |
1310 | * | |
1311 | * This routine copies the FCF information from the FCF | |
1312 | * record to lpfc_hba data structure. | |
1313 | **/ | |
1314 | static void | |
ecfd03c6 JS |
1315 | lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec, |
1316 | struct fcf_record *new_fcf_record) | |
6fb120a7 | 1317 | { |
ecfd03c6 JS |
1318 | /* Fabric name */ |
1319 | fcf_rec->fabric_name[0] = | |
6fb120a7 | 1320 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); |
ecfd03c6 | 1321 | fcf_rec->fabric_name[1] = |
6fb120a7 | 1322 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); |
ecfd03c6 | 1323 | fcf_rec->fabric_name[2] = |
6fb120a7 | 1324 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); |
ecfd03c6 | 1325 | fcf_rec->fabric_name[3] = |
6fb120a7 | 1326 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); |
ecfd03c6 | 1327 | fcf_rec->fabric_name[4] = |
6fb120a7 | 1328 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); |
ecfd03c6 | 1329 | fcf_rec->fabric_name[5] = |
6fb120a7 | 1330 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); |
ecfd03c6 | 1331 | fcf_rec->fabric_name[6] = |
6fb120a7 | 1332 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); |
ecfd03c6 | 1333 | fcf_rec->fabric_name[7] = |
6fb120a7 | 1334 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); |
ecfd03c6 JS |
1335 | /* Mac address */ |
1336 | fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1337 | fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1338 | fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1339 | fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1340 | fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1341 | fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1342 | /* FCF record index */ | |
1343 | fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1344 | /* FCF record priority */ | |
1345 | fcf_rec->priority = new_fcf_record->fip_priority; | |
1346 | /* Switch name */ | |
1347 | fcf_rec->switch_name[0] = | |
8fa38513 | 1348 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); |
ecfd03c6 | 1349 | fcf_rec->switch_name[1] = |
8fa38513 | 1350 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); |
ecfd03c6 | 1351 | fcf_rec->switch_name[2] = |
8fa38513 | 1352 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); |
ecfd03c6 | 1353 | fcf_rec->switch_name[3] = |
8fa38513 | 1354 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); |
ecfd03c6 | 1355 | fcf_rec->switch_name[4] = |
8fa38513 | 1356 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); |
ecfd03c6 | 1357 | fcf_rec->switch_name[5] = |
8fa38513 | 1358 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); |
ecfd03c6 | 1359 | fcf_rec->switch_name[6] = |
8fa38513 | 1360 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); |
ecfd03c6 | 1361 | fcf_rec->switch_name[7] = |
8fa38513 | 1362 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); |
6fb120a7 JS |
1363 | } |
1364 | ||
ecfd03c6 JS |
1365 | /** |
1366 | * lpfc_update_fcf_record - Update driver fcf record | |
1367 | * @phba: pointer to lpfc hba data structure. | |
1368 | * @fcf_rec: pointer to driver fcf record. | |
1369 | * @new_fcf_record: pointer to hba fcf record. | |
1370 | * @addr_mode: address mode to be set to the driver fcf record. | |
1371 | * @vlan_id: vlan tag to be set to the driver fcf record. | |
1372 | * @flag: flag bits to be set to the driver fcf record. | |
1373 | * | |
1374 | * This routine updates the driver FCF record from the new HBA FCF record | |
1375 | * together with the address mode, vlan_id, and other informations. This | |
1376 | * routine is called with the host lock held. | |
1377 | **/ | |
1378 | static void | |
1379 | __lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec, | |
1380 | struct fcf_record *new_fcf_record, uint32_t addr_mode, | |
1381 | uint16_t vlan_id, uint32_t flag) | |
1382 | { | |
1383 | /* Copy the fields from the HBA's FCF record */ | |
1384 | lpfc_copy_fcf_record(fcf_rec, new_fcf_record); | |
1385 | /* Update other fields of driver FCF record */ | |
1386 | fcf_rec->addr_mode = addr_mode; | |
1387 | fcf_rec->vlan_id = vlan_id; | |
1388 | fcf_rec->flag |= (flag | RECORD_VALID); | |
7d791df7 JS |
1389 | __lpfc_update_fcf_record_pri(phba, |
1390 | bf_get(lpfc_fcf_record_fcf_index, new_fcf_record), | |
1391 | new_fcf_record); | |
ecfd03c6 JS |
1392 | } |
1393 | ||
6fb120a7 JS |
1394 | /** |
1395 | * lpfc_register_fcf - Register the FCF with hba. | |
1396 | * @phba: pointer to lpfc hba data structure. | |
1397 | * | |
1398 | * This routine issues a register fcfi mailbox command to register | |
1399 | * the fcf with HBA. | |
1400 | **/ | |
1401 | static void | |
1402 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1403 | { | |
1404 | LPFC_MBOXQ_t *fcf_mbxq; | |
1405 | int rc; | |
6fb120a7 | 1406 | |
d439d286 | 1407 | spin_lock_irq(&phba->hbalock); |
25985edc | 1408 | /* If the FCF is not available do nothing. */ |
6fb120a7 | 1409 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { |
a93ff37a | 1410 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1411 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1412 | return; |
1413 | } | |
1414 | ||
1415 | /* The FCF is already registered, start discovery */ | |
1416 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
ecfd03c6 | 1417 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
a93ff37a JS |
1418 | phba->hba_flag &= ~FCF_TS_INPROG; |
1419 | if (phba->pport->port_state != LPFC_FLOGI) { | |
1420 | phba->hba_flag |= FCF_RR_INPROG; | |
1421 | spin_unlock_irq(&phba->hbalock); | |
bf08611b | 1422 | lpfc_initial_flogi(phba->pport); |
a93ff37a JS |
1423 | return; |
1424 | } | |
1425 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
1426 | return; |
1427 | } | |
d439d286 | 1428 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1429 | |
a93ff37a | 1430 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4d9ab994 | 1431 | if (!fcf_mbxq) { |
d439d286 | 1432 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1433 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1434 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1435 | return; |
4d9ab994 | 1436 | } |
6fb120a7 JS |
1437 | |
1438 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1439 | fcf_mbxq->vport = phba->pport; | |
1440 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1441 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 | 1442 | if (rc == MBX_NOT_FINISHED) { |
d439d286 | 1443 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1444 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1445 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1446 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1447 | } |
6fb120a7 JS |
1448 | |
1449 | return; | |
1450 | } | |
1451 | ||
1452 | /** | |
1453 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1454 | * @phba: pointer to lpfc hba data structure. | |
1455 | * @new_fcf_record: pointer to fcf record. | |
1456 | * @boot_flag: Indicates if this record used by boot bios. | |
1457 | * @addr_mode: The address mode to be used by this FCF | |
ecfd03c6 | 1458 | * @vlan_id: The vlan id to be used as vlan tagging by this FCF. |
6fb120a7 JS |
1459 | * |
1460 | * This routine compare the fcf record with connect list obtained from the | |
1461 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1462 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1463 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1464 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1465 | * used for this FCF when the function returns. | |
1466 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1467 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
dbb6b3ab | 1468 | * be used with the FCF vlan_id will be set to LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1469 | **/ |
1470 | static int | |
1471 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1472 | struct fcf_record *new_fcf_record, | |
1473 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1474 | uint16_t *vlan_id) | |
1475 | { | |
1476 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1477 | int i, j, fcf_vlan_id = 0; |
1478 | ||
1479 | /* Find the lowest VLAN id in the FCF record */ | |
1480 | for (i = 0; i < 512; i++) { | |
1481 | if (new_fcf_record->vlan_bitmap[i]) { | |
1482 | fcf_vlan_id = i * 8; | |
1483 | j = 0; | |
1484 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1485 | j++; | |
1486 | fcf_vlan_id++; | |
1487 | } | |
1488 | break; | |
1489 | } | |
1490 | } | |
6fb120a7 | 1491 | |
0c287589 JS |
1492 | /* If FCF not available return 0 */ |
1493 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || | |
1494 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record)) | |
1495 | return 0; | |
1496 | ||
45ed1190 | 1497 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1498 | *boot_flag = 0; |
1499 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1500 | new_fcf_record); | |
1501 | if (phba->valid_vlan) | |
1502 | *vlan_id = phba->vlan_id; | |
1503 | else | |
dbb6b3ab | 1504 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1505 | return 1; |
1506 | } | |
1507 | ||
1508 | /* | |
1509 | * If there are no FCF connection table entry, driver connect to all | |
1510 | * FCFs. | |
1511 | */ | |
1512 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1513 | *boot_flag = 0; | |
1514 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1515 | new_fcf_record); | |
0c287589 JS |
1516 | |
1517 | /* | |
1518 | * When there are no FCF connect entries, use driver's default | |
1519 | * addressing mode - FPMA. | |
1520 | */ | |
1521 | if (*addr_mode & LPFC_FCF_FPMA) | |
1522 | *addr_mode = LPFC_FCF_FPMA; | |
1523 | ||
4d9ab994 JS |
1524 | /* If FCF record report a vlan id use that vlan id */ |
1525 | if (fcf_vlan_id) | |
1526 | *vlan_id = fcf_vlan_id; | |
1527 | else | |
dbb6b3ab | 1528 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1529 | return 1; |
1530 | } | |
1531 | ||
ecfd03c6 JS |
1532 | list_for_each_entry(conn_entry, |
1533 | &phba->fcf_conn_rec_list, list) { | |
6fb120a7 JS |
1534 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) |
1535 | continue; | |
1536 | ||
1537 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1538 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1539 | new_fcf_record)) |
1540 | continue; | |
1541 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1542 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1543 | new_fcf_record)) | |
6fb120a7 | 1544 | continue; |
6fb120a7 JS |
1545 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1546 | /* | |
1547 | * If the vlan bit map does not have the bit set for the | |
1548 | * vlan id to be used, then it is not a match. | |
1549 | */ | |
1550 | if (!(new_fcf_record->vlan_bitmap | |
1551 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1552 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1553 | continue; | |
1554 | } | |
1555 | ||
0c287589 JS |
1556 | /* |
1557 | * If connection record does not support any addressing mode, | |
1558 | * skip the FCF record. | |
1559 | */ | |
1560 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1561 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1562 | continue; | |
1563 | ||
6fb120a7 JS |
1564 | /* |
1565 | * Check if the connection record specifies a required | |
1566 | * addressing mode. | |
1567 | */ | |
1568 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1569 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1570 | ||
1571 | /* | |
1572 | * If SPMA required but FCF not support this continue. | |
1573 | */ | |
1574 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1575 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1576 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1577 | continue; | |
1578 | ||
1579 | /* | |
1580 | * If FPMA required but FCF not support this continue. | |
1581 | */ | |
1582 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1583 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1584 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1585 | continue; | |
1586 | } | |
1587 | ||
1588 | /* | |
1589 | * This fcf record matches filtering criteria. | |
1590 | */ | |
1591 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1592 | *boot_flag = 1; | |
1593 | else | |
1594 | *boot_flag = 0; | |
1595 | ||
0c287589 JS |
1596 | /* |
1597 | * If user did not specify any addressing mode, or if the | |
25985edc | 1598 | * preferred addressing mode specified by user is not supported |
0c287589 JS |
1599 | * by FCF, allow fabric to pick the addressing mode. |
1600 | */ | |
6fb120a7 JS |
1601 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1602 | new_fcf_record); | |
1603 | /* | |
1604 | * If the user specified a required address mode, assign that | |
1605 | * address mode | |
1606 | */ | |
1607 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1608 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1609 | *addr_mode = (conn_entry->conn_rec.flags & | |
1610 | FCFCNCT_AM_SPMA) ? | |
1611 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1612 | /* | |
25985edc | 1613 | * If the user specified a preferred address mode, use the |
6fb120a7 JS |
1614 | * addr mode only if FCF support the addr_mode. |
1615 | */ | |
1616 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1617 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1618 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1619 | (*addr_mode & LPFC_FCF_SPMA)) | |
1620 | *addr_mode = LPFC_FCF_SPMA; | |
1621 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1622 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1623 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1624 | (*addr_mode & LPFC_FCF_FPMA)) | |
1625 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1626 | |
4d9ab994 | 1627 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1628 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1629 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1630 | /* |
1631 | * If no vlan id is specified in connect list, use the vlan id | |
1632 | * in the FCF record | |
1633 | */ | |
1634 | else if (fcf_vlan_id) | |
1635 | *vlan_id = fcf_vlan_id; | |
6fb120a7 | 1636 | else |
dbb6b3ab | 1637 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1638 | |
1639 | return 1; | |
1640 | } | |
1641 | ||
1642 | return 0; | |
1643 | } | |
1644 | ||
32b9793f JS |
1645 | /** |
1646 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1647 | * @phba: pointer to lpfc hba data structure. | |
1648 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1649 | * | |
1650 | * This function check if there is any fcoe event pending while driver | |
1651 | * scan FCF entries. If there is any pending event, it will restart the | |
1652 | * FCF saning and return 1 else return 0. | |
1653 | */ | |
1654 | int | |
1655 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1656 | { | |
32b9793f JS |
1657 | /* |
1658 | * If the Link is up and no FCoE events while in the | |
1659 | * FCF discovery, no need to restart FCF discovery. | |
1660 | */ | |
1661 | if ((phba->link_state >= LPFC_LINK_UP) && | |
a93ff37a | 1662 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) |
32b9793f JS |
1663 | return 0; |
1664 | ||
0c9ab6f5 JS |
1665 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1666 | "2768 Pending link or FCF event during current " | |
1667 | "handling of the previous event: link_state:x%x, " | |
1668 | "evt_tag_at_scan:x%x, evt_tag_current:x%x\n", | |
1669 | phba->link_state, phba->fcoe_eventtag_at_fcf_scan, | |
1670 | phba->fcoe_eventtag); | |
1671 | ||
32b9793f JS |
1672 | spin_lock_irq(&phba->hbalock); |
1673 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1674 | spin_unlock_irq(&phba->hbalock); | |
1675 | ||
0c9ab6f5 JS |
1676 | if (phba->link_state >= LPFC_LINK_UP) { |
1677 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
1678 | "2780 Restart FCF table scan due to " | |
1679 | "pending FCF event:evt_tag_at_scan:x%x, " | |
1680 | "evt_tag_current:x%x\n", | |
1681 | phba->fcoe_eventtag_at_fcf_scan, | |
1682 | phba->fcoe_eventtag); | |
1683 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1684 | } else { | |
4d9ab994 | 1685 | /* |
a93ff37a | 1686 | * Do not continue FCF discovery and clear FCF_TS_INPROG |
4d9ab994 JS |
1687 | * flag |
1688 | */ | |
dbb6b3ab JS |
1689 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
1690 | "2833 Stop FCF discovery process due to link " | |
1691 | "state change (x%x)\n", phba->link_state); | |
1c6f4ef5 | 1692 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1693 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
0c9ab6f5 | 1694 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); |
1c6f4ef5 JS |
1695 | spin_unlock_irq(&phba->hbalock); |
1696 | } | |
32b9793f | 1697 | |
0c9ab6f5 | 1698 | /* Unregister the currently registered FCF if required */ |
32b9793f JS |
1699 | if (unreg_fcf) { |
1700 | spin_lock_irq(&phba->hbalock); | |
1701 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1702 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 1703 | lpfc_sli4_unregister_fcf(phba); |
32b9793f | 1704 | } |
32b9793f JS |
1705 | return 1; |
1706 | } | |
1707 | ||
6fb120a7 | 1708 | /** |
999d813f JS |
1709 | * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record |
1710 | * @phba: pointer to lpfc hba data structure. | |
1711 | * @fcf_cnt: number of eligible fcf record seen so far. | |
1712 | * | |
1713 | * This function makes an running random selection decision on FCF record to | |
1714 | * use through a sequence of @fcf_cnt eligible FCF records with equal | |
1715 | * probability. To perform integer manunipulation of random numbers with | |
1716 | * size unit32_t, the lower 16 bits of the 32-bit random number returned | |
1717 | * from random32() are taken as the random random number generated. | |
1718 | * | |
1719 | * Returns true when outcome is for the newly read FCF record should be | |
1720 | * chosen; otherwise, return false when outcome is for keeping the previously | |
1721 | * chosen FCF record. | |
1722 | **/ | |
1723 | static bool | |
1724 | lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt) | |
1725 | { | |
1726 | uint32_t rand_num; | |
1727 | ||
1728 | /* Get 16-bit uniform random number */ | |
1729 | rand_num = (0xFFFF & random32()); | |
1730 | ||
1731 | /* Decision with probability 1/fcf_cnt */ | |
1732 | if ((fcf_cnt * rand_num) < 0xFFFF) | |
1733 | return true; | |
1734 | else | |
1735 | return false; | |
1736 | } | |
1737 | ||
1738 | /** | |
3804dc84 | 1739 | * lpfc_sli4_fcf_rec_mbox_parse - Parse read_fcf mbox command. |
6fb120a7 JS |
1740 | * @phba: pointer to lpfc hba data structure. |
1741 | * @mboxq: pointer to mailbox object. | |
0c9ab6f5 | 1742 | * @next_fcf_index: pointer to holder of next fcf index. |
6fb120a7 | 1743 | * |
0c9ab6f5 JS |
1744 | * This routine parses the non-embedded fcf mailbox command by performing the |
1745 | * necessarily error checking, non-embedded read FCF record mailbox command | |
1746 | * SGE parsing, and endianness swapping. | |
1747 | * | |
1748 | * Returns the pointer to the new FCF record in the non-embedded mailbox | |
1749 | * command DMA memory if successfully, other NULL. | |
6fb120a7 | 1750 | */ |
0c9ab6f5 JS |
1751 | static struct fcf_record * |
1752 | lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
1753 | uint16_t *next_fcf_index) | |
6fb120a7 JS |
1754 | { |
1755 | void *virt_addr; | |
1756 | dma_addr_t phys_addr; | |
6fb120a7 JS |
1757 | struct lpfc_mbx_sge sge; |
1758 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1759 | uint32_t shdr_status, shdr_add_status; | |
1760 | union lpfc_sli4_cfg_shdr *shdr; | |
1761 | struct fcf_record *new_fcf_record; | |
32b9793f | 1762 | |
6fb120a7 JS |
1763 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1764 | * routine only uses a single SGE. | |
1765 | */ | |
1766 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1767 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1768 | if (unlikely(!mboxq->sge_array)) { | |
1769 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1770 | "2524 Failed to get the non-embedded SGE " | |
1771 | "virtual address\n"); | |
0c9ab6f5 | 1772 | return NULL; |
6fb120a7 JS |
1773 | } |
1774 | virt_addr = mboxq->sge_array->addr[0]; | |
1775 | ||
1776 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
1777 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
0c9ab6f5 | 1778 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); |
6fb120a7 | 1779 | if (shdr_status || shdr_add_status) { |
0c9ab6f5 JS |
1780 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) |
1781 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 JS |
1782 | "2726 READ_FCF_RECORD Indicates empty " |
1783 | "FCF table.\n"); | |
0c9ab6f5 JS |
1784 | else |
1785 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 | 1786 | "2521 READ_FCF_RECORD mailbox failed " |
0c9ab6f5 JS |
1787 | "with status x%x add_status x%x, " |
1788 | "mbx\n", shdr_status, shdr_add_status); | |
1789 | return NULL; | |
6fb120a7 | 1790 | } |
0c9ab6f5 JS |
1791 | |
1792 | /* Interpreting the returned information of the FCF record */ | |
6fb120a7 JS |
1793 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; |
1794 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1795 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
0c9ab6f5 | 1796 | *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); |
6fb120a7 JS |
1797 | new_fcf_record = (struct fcf_record *)(virt_addr + |
1798 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1799 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
cb5172ea JS |
1800 | offsetof(struct fcf_record, vlan_bitmap)); |
1801 | new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137); | |
1802 | new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138); | |
6fb120a7 | 1803 | |
0c9ab6f5 JS |
1804 | return new_fcf_record; |
1805 | } | |
1806 | ||
1807 | /** | |
1808 | * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record | |
1809 | * @phba: pointer to lpfc hba data structure. | |
1810 | * @fcf_record: pointer to the fcf record. | |
1811 | * @vlan_id: the lowest vlan identifier associated to this fcf record. | |
1812 | * @next_fcf_index: the index to the next fcf record in hba's fcf table. | |
1813 | * | |
1814 | * This routine logs the detailed FCF record if the LOG_FIP loggin is | |
1815 | * enabled. | |
1816 | **/ | |
1817 | static void | |
1818 | lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba, | |
1819 | struct fcf_record *fcf_record, | |
1820 | uint16_t vlan_id, | |
1821 | uint16_t next_fcf_index) | |
1822 | { | |
1823 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1824 | "2764 READ_FCF_RECORD:\n" | |
1825 | "\tFCF_Index : x%x\n" | |
1826 | "\tFCF_Avail : x%x\n" | |
1827 | "\tFCF_Valid : x%x\n" | |
1828 | "\tFIP_Priority : x%x\n" | |
1829 | "\tMAC_Provider : x%x\n" | |
1830 | "\tLowest VLANID : x%x\n" | |
1831 | "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n" | |
1832 | "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1833 | "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1834 | "\tNext_FCF_Index: x%x\n", | |
1835 | bf_get(lpfc_fcf_record_fcf_index, fcf_record), | |
1836 | bf_get(lpfc_fcf_record_fcf_avail, fcf_record), | |
1837 | bf_get(lpfc_fcf_record_fcf_valid, fcf_record), | |
1838 | fcf_record->fip_priority, | |
1839 | bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record), | |
1840 | vlan_id, | |
1841 | bf_get(lpfc_fcf_record_mac_0, fcf_record), | |
1842 | bf_get(lpfc_fcf_record_mac_1, fcf_record), | |
1843 | bf_get(lpfc_fcf_record_mac_2, fcf_record), | |
1844 | bf_get(lpfc_fcf_record_mac_3, fcf_record), | |
1845 | bf_get(lpfc_fcf_record_mac_4, fcf_record), | |
1846 | bf_get(lpfc_fcf_record_mac_5, fcf_record), | |
1847 | bf_get(lpfc_fcf_record_fab_name_0, fcf_record), | |
1848 | bf_get(lpfc_fcf_record_fab_name_1, fcf_record), | |
1849 | bf_get(lpfc_fcf_record_fab_name_2, fcf_record), | |
1850 | bf_get(lpfc_fcf_record_fab_name_3, fcf_record), | |
1851 | bf_get(lpfc_fcf_record_fab_name_4, fcf_record), | |
1852 | bf_get(lpfc_fcf_record_fab_name_5, fcf_record), | |
1853 | bf_get(lpfc_fcf_record_fab_name_6, fcf_record), | |
1854 | bf_get(lpfc_fcf_record_fab_name_7, fcf_record), | |
1855 | bf_get(lpfc_fcf_record_switch_name_0, fcf_record), | |
1856 | bf_get(lpfc_fcf_record_switch_name_1, fcf_record), | |
1857 | bf_get(lpfc_fcf_record_switch_name_2, fcf_record), | |
1858 | bf_get(lpfc_fcf_record_switch_name_3, fcf_record), | |
1859 | bf_get(lpfc_fcf_record_switch_name_4, fcf_record), | |
1860 | bf_get(lpfc_fcf_record_switch_name_5, fcf_record), | |
1861 | bf_get(lpfc_fcf_record_switch_name_6, fcf_record), | |
1862 | bf_get(lpfc_fcf_record_switch_name_7, fcf_record), | |
1863 | next_fcf_index); | |
1864 | } | |
1865 | ||
dbb6b3ab JS |
1866 | /** |
1867 | lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF | |
1868 | * @phba: pointer to lpfc hba data structure. | |
1869 | * @fcf_rec: pointer to an existing FCF record. | |
1870 | * @new_fcf_record: pointer to a new FCF record. | |
1871 | * @new_vlan_id: vlan id from the new FCF record. | |
1872 | * | |
1873 | * This function performs matching test of a new FCF record against an existing | |
1874 | * FCF record. If the new_vlan_id passed in is LPFC_FCOE_IGNORE_VID, vlan id | |
1875 | * will not be used as part of the FCF record matching criteria. | |
1876 | * | |
1877 | * Returns true if all the fields matching, otherwise returns false. | |
1878 | */ | |
1879 | static bool | |
1880 | lpfc_sli4_fcf_record_match(struct lpfc_hba *phba, | |
1881 | struct lpfc_fcf_rec *fcf_rec, | |
1882 | struct fcf_record *new_fcf_record, | |
1883 | uint16_t new_vlan_id) | |
1884 | { | |
1885 | if (new_vlan_id != LPFC_FCOE_IGNORE_VID) | |
1886 | if (!lpfc_vlan_id_match(fcf_rec->vlan_id, new_vlan_id)) | |
1887 | return false; | |
1888 | if (!lpfc_mac_addr_match(fcf_rec->mac_addr, new_fcf_record)) | |
1889 | return false; | |
1890 | if (!lpfc_sw_name_match(fcf_rec->switch_name, new_fcf_record)) | |
1891 | return false; | |
1892 | if (!lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record)) | |
1893 | return false; | |
7d791df7 JS |
1894 | if (fcf_rec->priority != new_fcf_record->fip_priority) |
1895 | return false; | |
dbb6b3ab JS |
1896 | return true; |
1897 | } | |
1898 | ||
a93ff37a JS |
1899 | /** |
1900 | * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf | |
1901 | * @vport: Pointer to vport object. | |
1902 | * @fcf_index: index to next fcf. | |
1903 | * | |
1904 | * This function processing the roundrobin fcf failover to next fcf index. | |
1905 | * When this function is invoked, there will be a current fcf registered | |
1906 | * for flogi. | |
1907 | * Return: 0 for continue retrying flogi on currently registered fcf; | |
1908 | * 1 for stop flogi on currently registered fcf; | |
1909 | */ | |
1910 | int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index) | |
1911 | { | |
1912 | struct lpfc_hba *phba = vport->phba; | |
1913 | int rc; | |
1914 | ||
1915 | if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) { | |
1916 | spin_lock_irq(&phba->hbalock); | |
1917 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
1918 | spin_unlock_irq(&phba->hbalock); | |
1919 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1920 | "2872 Devloss tmo with no eligible " | |
1921 | "FCF, unregister in-use FCF (x%x) " | |
1922 | "and rescan FCF table\n", | |
1923 | phba->fcf.current_rec.fcf_indx); | |
1924 | lpfc_unregister_fcf_rescan(phba); | |
1925 | goto stop_flogi_current_fcf; | |
1926 | } | |
1927 | /* Mark the end to FLOGI roundrobin failover */ | |
1928 | phba->hba_flag &= ~FCF_RR_INPROG; | |
1929 | /* Allow action to new fcf asynchronous event */ | |
1930 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
1931 | spin_unlock_irq(&phba->hbalock); | |
1932 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1933 | "2865 No FCF available, stop roundrobin FCF " | |
1934 | "failover and change port state:x%x/x%x\n", | |
1935 | phba->pport->port_state, LPFC_VPORT_UNKNOWN); | |
1936 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
1937 | goto stop_flogi_current_fcf; | |
1938 | } else { | |
1939 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS, | |
1940 | "2794 Try FLOGI roundrobin FCF failover to " | |
1941 | "(x%x)\n", fcf_index); | |
1942 | rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index); | |
1943 | if (rc) | |
1944 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, | |
1945 | "2761 FLOGI roundrobin FCF failover " | |
1946 | "failed (rc:x%x) to read FCF (x%x)\n", | |
1947 | rc, phba->fcf.current_rec.fcf_indx); | |
1948 | else | |
1949 | goto stop_flogi_current_fcf; | |
1950 | } | |
1951 | return 0; | |
1952 | ||
1953 | stop_flogi_current_fcf: | |
1954 | lpfc_can_disctmo(vport); | |
1955 | return 1; | |
1956 | } | |
1957 | ||
7d791df7 JS |
1958 | /** |
1959 | * lpfc_sli4_fcf_pri_list_del | |
1960 | * @phba: pointer to lpfc hba data structure. | |
1961 | * @fcf_index the index of the fcf record to delete | |
1962 | * This routine checks the on list flag of the fcf_index to be deleted. | |
1963 | * If it is one the list then it is removed from the list, and the flag | |
1964 | * is cleared. This routine grab the hbalock before removing the fcf | |
1965 | * record from the list. | |
1966 | **/ | |
1967 | static void lpfc_sli4_fcf_pri_list_del(struct lpfc_hba *phba, | |
1968 | uint16_t fcf_index) | |
1969 | { | |
1970 | struct lpfc_fcf_pri *new_fcf_pri; | |
1971 | ||
1972 | new_fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
1973 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1974 | "3058 deleting idx x%x pri x%x flg x%x\n", | |
1975 | fcf_index, new_fcf_pri->fcf_rec.priority, | |
1976 | new_fcf_pri->fcf_rec.flag); | |
1977 | spin_lock_irq(&phba->hbalock); | |
1978 | if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST) { | |
1979 | if (phba->fcf.current_rec.priority == | |
1980 | new_fcf_pri->fcf_rec.priority) | |
1981 | phba->fcf.eligible_fcf_cnt--; | |
1982 | list_del_init(&new_fcf_pri->list); | |
1983 | new_fcf_pri->fcf_rec.flag &= ~LPFC_FCF_ON_PRI_LIST; | |
1984 | } | |
1985 | spin_unlock_irq(&phba->hbalock); | |
1986 | } | |
1987 | ||
1988 | /** | |
1989 | * lpfc_sli4_set_fcf_flogi_fail | |
1990 | * @phba: pointer to lpfc hba data structure. | |
1991 | * @fcf_index the index of the fcf record to update | |
1992 | * This routine acquires the hbalock and then set the LPFC_FCF_FLOGI_FAILED | |
1993 | * flag so the the round robin slection for the particular priority level | |
1994 | * will try a different fcf record that does not have this bit set. | |
1995 | * If the fcf record is re-read for any reason this flag is cleared brfore | |
1996 | * adding it to the priority list. | |
1997 | **/ | |
1998 | void | |
1999 | lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *phba, uint16_t fcf_index) | |
2000 | { | |
2001 | struct lpfc_fcf_pri *new_fcf_pri; | |
2002 | new_fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
2003 | spin_lock_irq(&phba->hbalock); | |
2004 | new_fcf_pri->fcf_rec.flag |= LPFC_FCF_FLOGI_FAILED; | |
2005 | spin_unlock_irq(&phba->hbalock); | |
2006 | } | |
2007 | ||
2008 | /** | |
2009 | * lpfc_sli4_fcf_pri_list_add | |
2010 | * @phba: pointer to lpfc hba data structure. | |
2011 | * @fcf_index the index of the fcf record to add | |
2012 | * This routine checks the priority of the fcf_index to be added. | |
2013 | * If it is a lower priority than the current head of the fcf_pri list | |
2014 | * then it is added to the list in the right order. | |
2015 | * If it is the same priority as the current head of the list then it | |
2016 | * is added to the head of the list and its bit in the rr_bmask is set. | |
2017 | * If the fcf_index to be added is of a higher priority than the current | |
2018 | * head of the list then the rr_bmask is cleared, its bit is set in the | |
2019 | * rr_bmask and it is added to the head of the list. | |
2020 | * returns: | |
2021 | * 0=success 1=failure | |
2022 | **/ | |
2023 | int lpfc_sli4_fcf_pri_list_add(struct lpfc_hba *phba, uint16_t fcf_index, | |
2024 | struct fcf_record *new_fcf_record) | |
2025 | { | |
2026 | uint16_t current_fcf_pri; | |
2027 | uint16_t last_index; | |
2028 | struct lpfc_fcf_pri *fcf_pri; | |
2029 | struct lpfc_fcf_pri *next_fcf_pri; | |
2030 | struct lpfc_fcf_pri *new_fcf_pri; | |
2031 | int ret; | |
2032 | ||
2033 | new_fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
2034 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2035 | "3059 adding idx x%x pri x%x flg x%x\n", | |
2036 | fcf_index, new_fcf_record->fip_priority, | |
2037 | new_fcf_pri->fcf_rec.flag); | |
2038 | spin_lock_irq(&phba->hbalock); | |
2039 | if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST) | |
2040 | list_del_init(&new_fcf_pri->list); | |
2041 | new_fcf_pri->fcf_rec.fcf_index = fcf_index; | |
2042 | new_fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority; | |
2043 | if (list_empty(&phba->fcf.fcf_pri_list)) { | |
2044 | list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list); | |
2045 | ret = lpfc_sli4_fcf_rr_index_set(phba, | |
2046 | new_fcf_pri->fcf_rec.fcf_index); | |
2047 | goto out; | |
2048 | } | |
2049 | ||
2050 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
2051 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
2052 | if (last_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
2053 | ret = 0; /* Empty rr list */ | |
2054 | goto out; | |
2055 | } | |
2056 | current_fcf_pri = phba->fcf.fcf_pri[last_index].fcf_rec.priority; | |
2057 | if (new_fcf_pri->fcf_rec.priority <= current_fcf_pri) { | |
2058 | list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list); | |
2059 | if (new_fcf_pri->fcf_rec.priority < current_fcf_pri) { | |
2060 | memset(phba->fcf.fcf_rr_bmask, 0, | |
2061 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
2062 | /* fcfs_at_this_priority_level = 1; */ | |
2063 | phba->fcf.eligible_fcf_cnt = 1; | |
2064 | } else | |
2065 | /* fcfs_at_this_priority_level++; */ | |
2066 | phba->fcf.eligible_fcf_cnt++; | |
2067 | ret = lpfc_sli4_fcf_rr_index_set(phba, | |
2068 | new_fcf_pri->fcf_rec.fcf_index); | |
2069 | goto out; | |
2070 | } | |
2071 | ||
2072 | list_for_each_entry_safe(fcf_pri, next_fcf_pri, | |
2073 | &phba->fcf.fcf_pri_list, list) { | |
2074 | if (new_fcf_pri->fcf_rec.priority <= | |
2075 | fcf_pri->fcf_rec.priority) { | |
2076 | if (fcf_pri->list.prev == &phba->fcf.fcf_pri_list) | |
2077 | list_add(&new_fcf_pri->list, | |
2078 | &phba->fcf.fcf_pri_list); | |
2079 | else | |
2080 | list_add(&new_fcf_pri->list, | |
2081 | &((struct lpfc_fcf_pri *) | |
2082 | fcf_pri->list.prev)->list); | |
2083 | ret = 0; | |
2084 | goto out; | |
2085 | } else if (fcf_pri->list.next == &phba->fcf.fcf_pri_list | |
2086 | || new_fcf_pri->fcf_rec.priority < | |
2087 | next_fcf_pri->fcf_rec.priority) { | |
2088 | list_add(&new_fcf_pri->list, &fcf_pri->list); | |
2089 | ret = 0; | |
2090 | goto out; | |
2091 | } | |
2092 | if (new_fcf_pri->fcf_rec.priority > fcf_pri->fcf_rec.priority) | |
2093 | continue; | |
2094 | ||
2095 | } | |
2096 | ret = 1; | |
2097 | out: | |
2098 | /* we use = instead of |= to clear the FLOGI_FAILED flag. */ | |
2099 | new_fcf_pri->fcf_rec.flag = LPFC_FCF_ON_PRI_LIST; | |
2100 | spin_unlock_irq(&phba->hbalock); | |
2101 | return ret; | |
2102 | } | |
2103 | ||
0c9ab6f5 JS |
2104 | /** |
2105 | * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. | |
2106 | * @phba: pointer to lpfc hba data structure. | |
2107 | * @mboxq: pointer to mailbox object. | |
2108 | * | |
2109 | * This function iterates through all the fcf records available in | |
2110 | * HBA and chooses the optimal FCF record for discovery. After finding | |
2111 | * the FCF for discovery it registers the FCF record and kicks start | |
2112 | * discovery. | |
2113 | * If FCF_IN_USE flag is set in currently used FCF, the routine tries to | |
2114 | * use an FCF record which matches fabric name and mac address of the | |
2115 | * currently used FCF record. | |
2116 | * If the driver supports only one FCF, it will try to use the FCF record | |
2117 | * used by BOOT_BIOS. | |
2118 | */ | |
2119 | void | |
2120 | lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2121 | { | |
2122 | struct fcf_record *new_fcf_record; | |
2123 | uint32_t boot_flag, addr_mode; | |
2124 | uint16_t fcf_index, next_fcf_index; | |
2125 | struct lpfc_fcf_rec *fcf_rec = NULL; | |
2126 | uint16_t vlan_id; | |
999d813f JS |
2127 | uint32_t seed; |
2128 | bool select_new_fcf; | |
0c9ab6f5 JS |
2129 | int rc; |
2130 | ||
2131 | /* If there is pending FCoE event restart FCF table scan */ | |
a93ff37a | 2132 | if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) { |
0c9ab6f5 JS |
2133 | lpfc_sli4_mbox_cmd_free(phba, mboxq); |
2134 | return; | |
2135 | } | |
2136 | ||
2137 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2138 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2139 | &next_fcf_index); | |
2140 | if (!new_fcf_record) { | |
a93ff37a | 2141 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
0c9ab6f5 JS |
2142 | "2765 Mailbox command READ_FCF_RECORD " |
2143 | "failed to retrieve a FCF record.\n"); | |
2144 | /* Let next new FCF event trigger fast failover */ | |
2145 | spin_lock_irq(&phba->hbalock); | |
a93ff37a | 2146 | phba->hba_flag &= ~FCF_TS_INPROG; |
0c9ab6f5 JS |
2147 | spin_unlock_irq(&phba->hbalock); |
2148 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2149 | return; | |
2150 | } | |
2151 | ||
2152 | /* Check the FCF record against the connection list */ | |
ecfd03c6 JS |
2153 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
2154 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
2155 | |
2156 | /* Log the FCF record information if turned on */ | |
2157 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2158 | next_fcf_index); | |
2159 | ||
6fb120a7 JS |
2160 | /* |
2161 | * If the fcf record does not match with connect list entries | |
0c9ab6f5 | 2162 | * read the next entry; otherwise, this is an eligible FCF |
a93ff37a | 2163 | * record for roundrobin FCF failover. |
6fb120a7 | 2164 | */ |
0c9ab6f5 | 2165 | if (!rc) { |
7d791df7 JS |
2166 | lpfc_sli4_fcf_pri_list_del(phba, |
2167 | bf_get(lpfc_fcf_record_fcf_index, | |
2168 | new_fcf_record)); | |
0c9ab6f5 | 2169 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
a93ff37a JS |
2170 | "2781 FCF (x%x) failed connection " |
2171 | "list check: (x%x/x%x)\n", | |
0c9ab6f5 JS |
2172 | bf_get(lpfc_fcf_record_fcf_index, |
2173 | new_fcf_record), | |
2174 | bf_get(lpfc_fcf_record_fcf_avail, | |
2175 | new_fcf_record), | |
2176 | bf_get(lpfc_fcf_record_fcf_valid, | |
2177 | new_fcf_record)); | |
dbb6b3ab JS |
2178 | if ((phba->fcf.fcf_flag & FCF_IN_USE) && |
2179 | lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, | |
2180 | new_fcf_record, LPFC_FCOE_IGNORE_VID)) { | |
5ac6b303 JS |
2181 | if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) != |
2182 | phba->fcf.current_rec.fcf_indx) { | |
2183 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
2184 | "2862 FCF (x%x) matches property " | |
2185 | "of in-use FCF (x%x)\n", | |
2186 | bf_get(lpfc_fcf_record_fcf_index, | |
2187 | new_fcf_record), | |
2188 | phba->fcf.current_rec.fcf_indx); | |
2189 | goto read_next_fcf; | |
2190 | } | |
dbb6b3ab JS |
2191 | /* |
2192 | * In case the current in-use FCF record becomes | |
2193 | * invalid/unavailable during FCF discovery that | |
2194 | * was not triggered by fast FCF failover process, | |
2195 | * treat it as fast FCF failover. | |
2196 | */ | |
2197 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND) && | |
2198 | !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
2199 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2200 | "2835 Invalid in-use FCF " | |
a93ff37a JS |
2201 | "(x%x), enter FCF failover " |
2202 | "table scan.\n", | |
dbb6b3ab JS |
2203 | phba->fcf.current_rec.fcf_indx); |
2204 | spin_lock_irq(&phba->hbalock); | |
2205 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
2206 | spin_unlock_irq(&phba->hbalock); | |
2207 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2208 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2209 | LPFC_FCOE_FCF_GET_FIRST); | |
2210 | return; | |
2211 | } | |
2212 | } | |
6fb120a7 | 2213 | goto read_next_fcf; |
0c9ab6f5 JS |
2214 | } else { |
2215 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
7d791df7 JS |
2216 | rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index, |
2217 | new_fcf_record); | |
0c9ab6f5 JS |
2218 | if (rc) |
2219 | goto read_next_fcf; | |
2220 | } | |
2221 | ||
6fb120a7 JS |
2222 | /* |
2223 | * If this is not the first FCF discovery of the HBA, use last | |
ecfd03c6 JS |
2224 | * FCF record for the discovery. The condition that a rescan |
2225 | * matches the in-use FCF record: fabric name, switch name, mac | |
2226 | * address, and vlan_id. | |
6fb120a7 | 2227 | */ |
0c9ab6f5 | 2228 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 2229 | if (phba->fcf.fcf_flag & FCF_IN_USE) { |
7d791df7 JS |
2230 | if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV && |
2231 | lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, | |
dbb6b3ab | 2232 | new_fcf_record, vlan_id)) { |
5ac6b303 JS |
2233 | if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) == |
2234 | phba->fcf.current_rec.fcf_indx) { | |
2235 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
2236 | if (phba->fcf.fcf_flag & FCF_REDISC_PEND) | |
2237 | /* Stop FCF redisc wait timer */ | |
2238 | __lpfc_sli4_stop_fcf_redisc_wait_timer( | |
2239 | phba); | |
2240 | else if (phba->fcf.fcf_flag & FCF_REDISC_FOV) | |
2241 | /* Fast failover, mark completed */ | |
2242 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; | |
2243 | spin_unlock_irq(&phba->hbalock); | |
2244 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2245 | "2836 New FCF matches in-use " | |
2246 | "FCF (x%x)\n", | |
2247 | phba->fcf.current_rec.fcf_indx); | |
2248 | goto out; | |
2249 | } else | |
2250 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
2251 | "2863 New FCF (x%x) matches " | |
2252 | "property of in-use FCF (x%x)\n", | |
dbb6b3ab | 2253 | bf_get(lpfc_fcf_record_fcf_index, |
5ac6b303 JS |
2254 | new_fcf_record), |
2255 | phba->fcf.current_rec.fcf_indx); | |
6fb120a7 | 2256 | } |
ecfd03c6 JS |
2257 | /* |
2258 | * Read next FCF record from HBA searching for the matching | |
2259 | * with in-use record only if not during the fast failover | |
2260 | * period. In case of fast failover period, it shall try to | |
2261 | * determine whether the FCF record just read should be the | |
2262 | * next candidate. | |
2263 | */ | |
2264 | if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
0c9ab6f5 | 2265 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2266 | goto read_next_fcf; |
2267 | } | |
6fb120a7 | 2268 | } |
ecfd03c6 JS |
2269 | /* |
2270 | * Update on failover FCF record only if it's in FCF fast-failover | |
2271 | * period; otherwise, update on current FCF record. | |
2272 | */ | |
fc2b989b JS |
2273 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) |
2274 | fcf_rec = &phba->fcf.failover_rec; | |
2275 | else | |
ecfd03c6 JS |
2276 | fcf_rec = &phba->fcf.current_rec; |
2277 | ||
6fb120a7 JS |
2278 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { |
2279 | /* | |
ecfd03c6 JS |
2280 | * If the driver FCF record does not have boot flag |
2281 | * set and new hba fcf record has boot flag set, use | |
2282 | * the new hba fcf record. | |
6fb120a7 | 2283 | */ |
ecfd03c6 JS |
2284 | if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) { |
2285 | /* Choose this FCF record */ | |
dbb6b3ab JS |
2286 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2287 | "2837 Update current FCF record " | |
2288 | "(x%x) with new FCF record (x%x)\n", | |
2289 | fcf_rec->fcf_indx, | |
2290 | bf_get(lpfc_fcf_record_fcf_index, | |
2291 | new_fcf_record)); | |
ecfd03c6 JS |
2292 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2293 | addr_mode, vlan_id, BOOT_ENABLE); | |
0c9ab6f5 | 2294 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2295 | goto read_next_fcf; |
2296 | } | |
2297 | /* | |
ecfd03c6 JS |
2298 | * If the driver FCF record has boot flag set and the |
2299 | * new hba FCF record does not have boot flag, read | |
2300 | * the next FCF record. | |
6fb120a7 | 2301 | */ |
ecfd03c6 | 2302 | if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) { |
0c9ab6f5 | 2303 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2304 | goto read_next_fcf; |
2305 | } | |
2306 | /* | |
ecfd03c6 JS |
2307 | * If the new hba FCF record has lower priority value |
2308 | * than the driver FCF record, use the new record. | |
6fb120a7 | 2309 | */ |
fc2b989b | 2310 | if (new_fcf_record->fip_priority < fcf_rec->priority) { |
999d813f | 2311 | /* Choose the new FCF record with lower priority */ |
dbb6b3ab JS |
2312 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2313 | "2838 Update current FCF record " | |
2314 | "(x%x) with new FCF record (x%x)\n", | |
2315 | fcf_rec->fcf_indx, | |
2316 | bf_get(lpfc_fcf_record_fcf_index, | |
2317 | new_fcf_record)); | |
ecfd03c6 JS |
2318 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2319 | addr_mode, vlan_id, 0); | |
999d813f JS |
2320 | /* Reset running random FCF selection count */ |
2321 | phba->fcf.eligible_fcf_cnt = 1; | |
2322 | } else if (new_fcf_record->fip_priority == fcf_rec->priority) { | |
2323 | /* Update running random FCF selection count */ | |
2324 | phba->fcf.eligible_fcf_cnt++; | |
2325 | select_new_fcf = lpfc_sli4_new_fcf_random_select(phba, | |
2326 | phba->fcf.eligible_fcf_cnt); | |
dbb6b3ab JS |
2327 | if (select_new_fcf) { |
2328 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2329 | "2839 Update current FCF record " | |
2330 | "(x%x) with new FCF record (x%x)\n", | |
2331 | fcf_rec->fcf_indx, | |
2332 | bf_get(lpfc_fcf_record_fcf_index, | |
2333 | new_fcf_record)); | |
999d813f JS |
2334 | /* Choose the new FCF by random selection */ |
2335 | __lpfc_update_fcf_record(phba, fcf_rec, | |
2336 | new_fcf_record, | |
2337 | addr_mode, vlan_id, 0); | |
dbb6b3ab | 2338 | } |
6fb120a7 | 2339 | } |
0c9ab6f5 | 2340 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2341 | goto read_next_fcf; |
2342 | } | |
2343 | /* | |
ecfd03c6 JS |
2344 | * This is the first suitable FCF record, choose this record for |
2345 | * initial best-fit FCF. | |
6fb120a7 | 2346 | */ |
ecfd03c6 | 2347 | if (fcf_rec) { |
dbb6b3ab | 2348 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2349 | "2840 Update initial FCF candidate " |
2350 | "with FCF (x%x)\n", | |
dbb6b3ab JS |
2351 | bf_get(lpfc_fcf_record_fcf_index, |
2352 | new_fcf_record)); | |
ecfd03c6 JS |
2353 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2354 | addr_mode, vlan_id, (boot_flag ? | |
2355 | BOOT_ENABLE : 0)); | |
2356 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
999d813f JS |
2357 | /* Setup initial running random FCF selection count */ |
2358 | phba->fcf.eligible_fcf_cnt = 1; | |
2359 | /* Seeding the random number generator for random selection */ | |
2360 | seed = (uint32_t)(0xFFFFFFFF & jiffies); | |
2361 | srandom32(seed); | |
6fb120a7 | 2362 | } |
0c9ab6f5 | 2363 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2364 | goto read_next_fcf; |
2365 | ||
2366 | read_next_fcf: | |
2367 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
ecfd03c6 JS |
2368 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) { |
2369 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) { | |
2370 | /* | |
2371 | * Case of FCF fast failover scan | |
2372 | */ | |
2373 | ||
2374 | /* | |
2375 | * It has not found any suitable FCF record, cancel | |
2376 | * FCF scan inprogress, and do nothing | |
2377 | */ | |
2378 | if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { | |
0c9ab6f5 | 2379 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
a93ff37a JS |
2380 | "2782 No suitable FCF found: " |
2381 | "(x%x/x%x)\n", | |
0c9ab6f5 JS |
2382 | phba->fcoe_eventtag_at_fcf_scan, |
2383 | bf_get(lpfc_fcf_record_fcf_index, | |
2384 | new_fcf_record)); | |
a93ff37a JS |
2385 | spin_lock_irq(&phba->hbalock); |
2386 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
2387 | phba->hba_flag &= ~FCF_TS_INPROG; | |
2388 | spin_unlock_irq(&phba->hbalock); | |
2389 | /* Unregister in-use FCF and rescan */ | |
2390 | lpfc_printf_log(phba, KERN_INFO, | |
2391 | LOG_FIP, | |
2392 | "2864 On devloss tmo " | |
2393 | "unreg in-use FCF and " | |
2394 | "rescan FCF table\n"); | |
2395 | lpfc_unregister_fcf_rescan(phba); | |
2396 | return; | |
2397 | } | |
0c9ab6f5 | 2398 | /* |
a93ff37a | 2399 | * Let next new FCF event trigger fast failover |
0c9ab6f5 | 2400 | */ |
a93ff37a | 2401 | phba->hba_flag &= ~FCF_TS_INPROG; |
0c9ab6f5 | 2402 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2403 | return; |
2404 | } | |
2405 | /* | |
2406 | * It has found a suitable FCF record that is not | |
2407 | * the same as in-use FCF record, unregister the | |
2408 | * in-use FCF record, replace the in-use FCF record | |
2409 | * with the new FCF record, mark FCF fast failover | |
2410 | * completed, and then start register the new FCF | |
2411 | * record. | |
2412 | */ | |
2413 | ||
0c9ab6f5 | 2414 | /* Unregister the current in-use FCF record */ |
ecfd03c6 | 2415 | lpfc_unregister_fcf(phba); |
0c9ab6f5 JS |
2416 | |
2417 | /* Replace in-use record with the new record */ | |
dbb6b3ab | 2418 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2419 | "2842 Replace in-use FCF (x%x) " |
2420 | "with failover FCF (x%x)\n", | |
dbb6b3ab JS |
2421 | phba->fcf.current_rec.fcf_indx, |
2422 | phba->fcf.failover_rec.fcf_indx); | |
ecfd03c6 JS |
2423 | memcpy(&phba->fcf.current_rec, |
2424 | &phba->fcf.failover_rec, | |
2425 | sizeof(struct lpfc_fcf_rec)); | |
3804dc84 JS |
2426 | /* |
2427 | * Mark the fast FCF failover rediscovery completed | |
2428 | * and the start of the first round of the roundrobin | |
2429 | * FCF failover. | |
2430 | */ | |
0c9ab6f5 | 2431 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 2432 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; |
0c9ab6f5 | 2433 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2434 | /* Register to the new FCF record */ |
2435 | lpfc_register_fcf(phba); | |
2436 | } else { | |
2437 | /* | |
2438 | * In case of transaction period to fast FCF failover, | |
2439 | * do nothing when search to the end of the FCF table. | |
2440 | */ | |
2441 | if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) || | |
2442 | (phba->fcf.fcf_flag & FCF_REDISC_PEND)) | |
2443 | return; | |
dbb6b3ab | 2444 | |
7d791df7 JS |
2445 | if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV && |
2446 | phba->fcf.fcf_flag & FCF_IN_USE) { | |
dbb6b3ab JS |
2447 | /* |
2448 | * In case the current in-use FCF record no | |
2449 | * longer existed during FCF discovery that | |
2450 | * was not triggered by fast FCF failover | |
2451 | * process, treat it as fast FCF failover. | |
2452 | */ | |
2453 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2454 | "2841 In-use FCF record (x%x) " | |
2455 | "not reported, entering fast " | |
2456 | "FCF failover mode scanning.\n", | |
2457 | phba->fcf.current_rec.fcf_indx); | |
2458 | spin_lock_irq(&phba->hbalock); | |
2459 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
2460 | spin_unlock_irq(&phba->hbalock); | |
dbb6b3ab JS |
2461 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
2462 | LPFC_FCOE_FCF_GET_FIRST); | |
2463 | return; | |
2464 | } | |
0c9ab6f5 | 2465 | /* Register to the new FCF record */ |
ecfd03c6 JS |
2466 | lpfc_register_fcf(phba); |
2467 | } | |
2468 | } else | |
0c9ab6f5 | 2469 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index); |
6fb120a7 JS |
2470 | return; |
2471 | ||
2472 | out: | |
2473 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2474 | lpfc_register_fcf(phba); | |
2475 | ||
2476 | return; | |
2477 | } | |
2478 | ||
0c9ab6f5 | 2479 | /** |
a93ff37a | 2480 | * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler |
0c9ab6f5 JS |
2481 | * @phba: pointer to lpfc hba data structure. |
2482 | * @mboxq: pointer to mailbox object. | |
2483 | * | |
a93ff37a | 2484 | * This is the callback function for FLOGI failure roundrobin FCF failover |
0c9ab6f5 JS |
2485 | * read FCF record mailbox command from the eligible FCF record bmask for |
2486 | * performing the failover. If the FCF read back is not valid/available, it | |
2487 | * fails through to retrying FLOGI to the currently registered FCF again. | |
2488 | * Otherwise, if the FCF read back is valid and available, it will set the | |
2489 | * newly read FCF record to the failover FCF record, unregister currently | |
2490 | * registered FCF record, copy the failover FCF record to the current | |
2491 | * FCF record, and then register the current FCF record before proceeding | |
2492 | * to trying FLOGI on the new failover FCF. | |
2493 | */ | |
2494 | void | |
2495 | lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2496 | { | |
2497 | struct fcf_record *new_fcf_record; | |
2498 | uint32_t boot_flag, addr_mode; | |
a93ff37a | 2499 | uint16_t next_fcf_index, fcf_index; |
0c9ab6f5 JS |
2500 | uint16_t current_fcf_index; |
2501 | uint16_t vlan_id; | |
a93ff37a | 2502 | int rc; |
0c9ab6f5 | 2503 | |
a93ff37a | 2504 | /* If link state is not up, stop the roundrobin failover process */ |
0c9ab6f5 JS |
2505 | if (phba->link_state < LPFC_LINK_UP) { |
2506 | spin_lock_irq(&phba->hbalock); | |
2507 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
a93ff37a | 2508 | phba->hba_flag &= ~FCF_RR_INPROG; |
0c9ab6f5 | 2509 | spin_unlock_irq(&phba->hbalock); |
a93ff37a | 2510 | goto out; |
0c9ab6f5 JS |
2511 | } |
2512 | ||
2513 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2514 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2515 | &next_fcf_index); | |
2516 | if (!new_fcf_record) { | |
2517 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2518 | "2766 Mailbox command READ_FCF_RECORD " | |
2519 | "failed to retrieve a FCF record.\n"); | |
a93ff37a | 2520 | goto error_out; |
0c9ab6f5 JS |
2521 | } |
2522 | ||
2523 | /* Get the needed parameters from FCF record */ | |
a93ff37a JS |
2524 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
2525 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
2526 | |
2527 | /* Log the FCF record information if turned on */ | |
2528 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2529 | next_fcf_index); | |
2530 | ||
a93ff37a JS |
2531 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); |
2532 | if (!rc) { | |
2533 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2534 | "2848 Remove ineligible FCF (x%x) from " | |
2535 | "from roundrobin bmask\n", fcf_index); | |
2536 | /* Clear roundrobin bmask bit for ineligible FCF */ | |
2537 | lpfc_sli4_fcf_rr_index_clear(phba, fcf_index); | |
2538 | /* Perform next round of roundrobin FCF failover */ | |
2539 | fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); | |
2540 | rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index); | |
2541 | if (rc) | |
2542 | goto out; | |
2543 | goto error_out; | |
2544 | } | |
2545 | ||
2546 | if (fcf_index == phba->fcf.current_rec.fcf_indx) { | |
2547 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2548 | "2760 Perform FLOGI roundrobin FCF failover: " | |
2549 | "FCF (x%x) back to FCF (x%x)\n", | |
2550 | phba->fcf.current_rec.fcf_indx, fcf_index); | |
2551 | /* Wait 500 ms before retrying FLOGI to current FCF */ | |
2552 | msleep(500); | |
76a95d75 | 2553 | lpfc_issue_init_vfi(phba->pport); |
a93ff37a JS |
2554 | goto out; |
2555 | } | |
2556 | ||
0c9ab6f5 | 2557 | /* Upload new FCF record to the failover FCF record */ |
dbb6b3ab | 2558 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2559 | "2834 Update current FCF (x%x) with new FCF (x%x)\n", |
2560 | phba->fcf.failover_rec.fcf_indx, fcf_index); | |
0c9ab6f5 JS |
2561 | spin_lock_irq(&phba->hbalock); |
2562 | __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, | |
2563 | new_fcf_record, addr_mode, vlan_id, | |
2564 | (boot_flag ? BOOT_ENABLE : 0)); | |
2565 | spin_unlock_irq(&phba->hbalock); | |
2566 | ||
2567 | current_fcf_index = phba->fcf.current_rec.fcf_indx; | |
2568 | ||
2569 | /* Unregister the current in-use FCF record */ | |
2570 | lpfc_unregister_fcf(phba); | |
2571 | ||
2572 | /* Replace in-use record with the new record */ | |
2573 | memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec, | |
2574 | sizeof(struct lpfc_fcf_rec)); | |
2575 | ||
2576 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a JS |
2577 | "2783 Perform FLOGI roundrobin FCF failover: FCF " |
2578 | "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index); | |
0c9ab6f5 | 2579 | |
a93ff37a JS |
2580 | error_out: |
2581 | lpfc_register_fcf(phba); | |
0c9ab6f5 JS |
2582 | out: |
2583 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
0c9ab6f5 JS |
2584 | } |
2585 | ||
2586 | /** | |
2587 | * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler. | |
2588 | * @phba: pointer to lpfc hba data structure. | |
2589 | * @mboxq: pointer to mailbox object. | |
2590 | * | |
2591 | * This is the callback function of read FCF record mailbox command for | |
a93ff37a | 2592 | * updating the eligible FCF bmask for FLOGI failure roundrobin FCF |
0c9ab6f5 JS |
2593 | * failover when a new FCF event happened. If the FCF read back is |
2594 | * valid/available and it passes the connection list check, it updates | |
a93ff37a | 2595 | * the bmask for the eligible FCF record for roundrobin failover. |
0c9ab6f5 JS |
2596 | */ |
2597 | void | |
2598 | lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2599 | { | |
2600 | struct fcf_record *new_fcf_record; | |
2601 | uint32_t boot_flag, addr_mode; | |
2602 | uint16_t fcf_index, next_fcf_index; | |
2603 | uint16_t vlan_id; | |
2604 | int rc; | |
2605 | ||
2606 | /* If link state is not up, no need to proceed */ | |
2607 | if (phba->link_state < LPFC_LINK_UP) | |
2608 | goto out; | |
2609 | ||
2610 | /* If FCF discovery period is over, no need to proceed */ | |
3804dc84 | 2611 | if (!(phba->fcf.fcf_flag & FCF_DISCOVERY)) |
0c9ab6f5 JS |
2612 | goto out; |
2613 | ||
2614 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2615 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2616 | &next_fcf_index); | |
2617 | if (!new_fcf_record) { | |
2618 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2619 | "2767 Mailbox command READ_FCF_RECORD " | |
2620 | "failed to retrieve a FCF record.\n"); | |
2621 | goto out; | |
2622 | } | |
2623 | ||
2624 | /* Check the connection list for eligibility */ | |
2625 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2626 | &addr_mode, &vlan_id); | |
2627 | ||
2628 | /* Log the FCF record information if turned on */ | |
2629 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2630 | next_fcf_index); | |
2631 | ||
2632 | if (!rc) | |
2633 | goto out; | |
2634 | ||
2635 | /* Update the eligible FCF record index bmask */ | |
2636 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
7d791df7 JS |
2637 | |
2638 | rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index, new_fcf_record); | |
0c9ab6f5 JS |
2639 | |
2640 | out: | |
2641 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2642 | } | |
2643 | ||
76a95d75 JS |
2644 | /** |
2645 | * lpfc_init_vfi_cmpl - Completion handler for init_vfi mbox command. | |
2646 | * @phba: pointer to lpfc hba data structure. | |
2647 | * @mboxq: pointer to mailbox data structure. | |
2648 | * | |
2649 | * This function handles completion of init vfi mailbox command. | |
2650 | */ | |
2651 | void | |
2652 | lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2653 | { | |
2654 | struct lpfc_vport *vport = mboxq->vport; | |
2655 | ||
df9e1b59 JS |
2656 | /* |
2657 | * VFI not supported on interface type 0, just do the flogi | |
2658 | * Also continue if the VFI is in use - just use the same one. | |
2659 | */ | |
2660 | if (mboxq->u.mb.mbxStatus && | |
2661 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
2662 | LPFC_SLI_INTF_IF_TYPE_0) && | |
2663 | mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) { | |
76a95d75 JS |
2664 | lpfc_printf_vlog(vport, KERN_ERR, |
2665 | LOG_MBOX, | |
2666 | "2891 Init VFI mailbox failed 0x%x\n", | |
2667 | mboxq->u.mb.mbxStatus); | |
2668 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2669 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2670 | return; | |
2671 | } | |
73d91e50 | 2672 | |
76a95d75 JS |
2673 | lpfc_initial_flogi(vport); |
2674 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2675 | return; | |
2676 | } | |
2677 | ||
2678 | /** | |
2679 | * lpfc_issue_init_vfi - Issue init_vfi mailbox command. | |
2680 | * @vport: pointer to lpfc_vport data structure. | |
2681 | * | |
2682 | * This function issue a init_vfi mailbox command to initialize the VFI and | |
2683 | * VPI for the physical port. | |
2684 | */ | |
2685 | void | |
2686 | lpfc_issue_init_vfi(struct lpfc_vport *vport) | |
2687 | { | |
2688 | LPFC_MBOXQ_t *mboxq; | |
2689 | int rc; | |
2690 | struct lpfc_hba *phba = vport->phba; | |
2691 | ||
2692 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2693 | if (!mboxq) { | |
2694 | lpfc_printf_vlog(vport, KERN_ERR, | |
2695 | LOG_MBOX, "2892 Failed to allocate " | |
2696 | "init_vfi mailbox\n"); | |
2697 | return; | |
2698 | } | |
2699 | lpfc_init_vfi(mboxq, vport); | |
2700 | mboxq->mbox_cmpl = lpfc_init_vfi_cmpl; | |
2701 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
2702 | if (rc == MBX_NOT_FINISHED) { | |
2703 | lpfc_printf_vlog(vport, KERN_ERR, | |
2704 | LOG_MBOX, "2893 Failed to issue init_vfi mailbox\n"); | |
2705 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2706 | } | |
2707 | } | |
2708 | ||
1c6834a7 JS |
2709 | /** |
2710 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
2711 | * @phba: pointer to lpfc hba data structure. | |
2712 | * @mboxq: pointer to mailbox data structure. | |
2713 | * | |
2714 | * This function handles completion of init vpi mailbox command. | |
2715 | */ | |
695a814e | 2716 | void |
1c6834a7 JS |
2717 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
2718 | { | |
2719 | struct lpfc_vport *vport = mboxq->vport; | |
695a814e | 2720 | struct lpfc_nodelist *ndlp; |
72100cc4 JS |
2721 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2722 | ||
1c6834a7 JS |
2723 | if (mboxq->u.mb.mbxStatus) { |
2724 | lpfc_printf_vlog(vport, KERN_ERR, | |
2725 | LOG_MBOX, | |
2726 | "2609 Init VPI mailbox failed 0x%x\n", | |
2727 | mboxq->u.mb.mbxStatus); | |
2728 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2729 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2730 | return; | |
2731 | } | |
72100cc4 | 2732 | spin_lock_irq(shost->host_lock); |
1c6834a7 | 2733 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2734 | spin_unlock_irq(shost->host_lock); |
1c6834a7 | 2735 | |
695a814e JS |
2736 | /* If this port is physical port or FDISC is done, do reg_vpi */ |
2737 | if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) { | |
2738 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
2739 | if (!ndlp) | |
2740 | lpfc_printf_vlog(vport, KERN_ERR, | |
2741 | LOG_DISCOVERY, | |
2742 | "2731 Cannot find fabric " | |
2743 | "controller node\n"); | |
2744 | else | |
2745 | lpfc_register_new_vport(phba, vport, ndlp); | |
2746 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2747 | return; | |
2748 | } | |
2749 | ||
1c6834a7 JS |
2750 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2751 | lpfc_initial_fdisc(vport); | |
2752 | else { | |
2753 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
2754 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2755 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 | 2756 | } |
695a814e | 2757 | mempool_free(mboxq, phba->mbox_mem_pool); |
1c6834a7 JS |
2758 | return; |
2759 | } | |
2760 | ||
ecfd03c6 JS |
2761 | /** |
2762 | * lpfc_issue_init_vpi - Issue init_vpi mailbox command. | |
2763 | * @vport: pointer to lpfc_vport data structure. | |
2764 | * | |
2765 | * This function issue a init_vpi mailbox command to initialize | |
2766 | * VPI for the vport. | |
2767 | */ | |
2768 | void | |
2769 | lpfc_issue_init_vpi(struct lpfc_vport *vport) | |
2770 | { | |
2771 | LPFC_MBOXQ_t *mboxq; | |
2772 | int rc; | |
2773 | ||
2774 | mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL); | |
2775 | if (!mboxq) { | |
2776 | lpfc_printf_vlog(vport, KERN_ERR, | |
2777 | LOG_MBOX, "2607 Failed to allocate " | |
2778 | "init_vpi mailbox\n"); | |
2779 | return; | |
2780 | } | |
2781 | lpfc_init_vpi(vport->phba, mboxq, vport->vpi); | |
2782 | mboxq->vport = vport; | |
2783 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
2784 | rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT); | |
2785 | if (rc == MBX_NOT_FINISHED) { | |
2786 | lpfc_printf_vlog(vport, KERN_ERR, | |
2787 | LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n"); | |
2788 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2789 | } | |
2790 | } | |
2791 | ||
6fb120a7 JS |
2792 | /** |
2793 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
2794 | * @phba: pointer to lpfc hba data structure. | |
2795 | * | |
2796 | * This function loops through the list of vports on the @phba and issues an | |
2797 | * FDISC if possible. | |
2798 | */ | |
2799 | void | |
2800 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
2801 | { | |
2802 | struct lpfc_vport **vports; | |
2803 | int i; | |
2804 | ||
2805 | vports = lpfc_create_vport_work_array(phba); | |
2806 | if (vports != NULL) { | |
2807 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2808 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
2809 | continue; | |
2810 | /* There are no vpi for this vport */ | |
2811 | if (vports[i]->vpi > phba->max_vpi) { | |
2812 | lpfc_vport_set_state(vports[i], | |
2813 | FC_VPORT_FAILED); | |
2814 | continue; | |
2815 | } | |
76a95d75 | 2816 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
6fb120a7 JS |
2817 | lpfc_vport_set_state(vports[i], |
2818 | FC_VPORT_LINKDOWN); | |
2819 | continue; | |
2820 | } | |
1c6834a7 | 2821 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
ecfd03c6 | 2822 | lpfc_issue_init_vpi(vports[i]); |
1c6834a7 JS |
2823 | continue; |
2824 | } | |
6fb120a7 JS |
2825 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2826 | lpfc_initial_fdisc(vports[i]); | |
2827 | else { | |
2828 | lpfc_vport_set_state(vports[i], | |
2829 | FC_VPORT_NO_FABRIC_SUPP); | |
2830 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
2831 | LOG_ELS, | |
2832 | "0259 No NPIV " | |
2833 | "Fabric support\n"); | |
2834 | } | |
2835 | } | |
2836 | } | |
2837 | lpfc_destroy_vport_work_array(phba, vports); | |
2838 | } | |
2839 | ||
2840 | void | |
2841 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2842 | { | |
2843 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
2844 | struct lpfc_vport *vport = mboxq->vport; | |
72100cc4 | 2845 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 | 2846 | |
f5eca9be JS |
2847 | /* |
2848 | * VFI not supported for interface type 0, so ignore any mailbox | |
2849 | * error (except VFI in use) and continue with the discovery. | |
2850 | */ | |
2851 | if (mboxq->u.mb.mbxStatus && | |
2852 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
2853 | LPFC_SLI_INTF_IF_TYPE_0) && | |
2854 | mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) { | |
6fb120a7 JS |
2855 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2856 | "2018 REG_VFI mbxStatus error x%x " | |
2857 | "HBA state x%x\n", | |
2858 | mboxq->u.mb.mbxStatus, vport->port_state); | |
76a95d75 | 2859 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
6fb120a7 JS |
2860 | /* FLOGI failed, use loop map to make discovery list */ |
2861 | lpfc_disc_list_loopmap(vport); | |
2862 | /* Start discovery */ | |
2863 | lpfc_disc_start(vport); | |
1b51197d | 2864 | goto out_free_mem; |
6fb120a7 JS |
2865 | } |
2866 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1b51197d | 2867 | goto out_free_mem; |
6fb120a7 | 2868 | } |
c868595d | 2869 | /* The VPI is implicitly registered when the VFI is registered */ |
72100cc4 | 2870 | spin_lock_irq(shost->host_lock); |
c868595d | 2871 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2872 | vport->fc_flag |= FC_VFI_REGISTERED; |
695a814e | 2873 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
5248a749 | 2874 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2875 | spin_unlock_irq(shost->host_lock); |
6fb120a7 | 2876 | |
1b51197d JS |
2877 | /* In case SLI4 FC loopback test, we are ready */ |
2878 | if ((phba->sli_rev == LPFC_SLI_REV4) && | |
2879 | (phba->link_flag & LS_LOOPBACK_MODE)) { | |
2880 | phba->link_state = LPFC_HBA_READY; | |
2881 | goto out_free_mem; | |
2882 | } | |
2883 | ||
6fb120a7 | 2884 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
939723a4 JS |
2885 | /* |
2886 | * For private loop or for NPort pt2pt, | |
2887 | * just start discovery and we are done. | |
2888 | */ | |
2889 | if ((vport->fc_flag & FC_PT2PT) || | |
2890 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
2891 | !(vport->fc_flag & FC_PUBLIC_LOOP))) { | |
2892 | ||
76a95d75 JS |
2893 | /* Use loop map to make discovery list */ |
2894 | lpfc_disc_list_loopmap(vport); | |
2895 | /* Start discovery */ | |
2896 | lpfc_disc_start(vport); | |
2897 | } else { | |
2898 | lpfc_start_fdiscs(phba); | |
2899 | lpfc_do_scr_ns_plogi(phba, vport); | |
2900 | } | |
6fb120a7 JS |
2901 | } |
2902 | ||
1b51197d | 2903 | out_free_mem: |
6fb120a7 JS |
2904 | mempool_free(mboxq, phba->mbox_mem_pool); |
2905 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2906 | kfree(dmabuf); | |
2907 | return; | |
2908 | } | |
2909 | ||
dea3101e | 2910 | static void |
2e0fef85 | 2911 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2912 | { |
6fb120a7 | 2913 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2914 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 2915 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2916 | |
2917 | ||
2918 | /* Check for error */ | |
2919 | if (mb->mbxStatus) { | |
2920 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
2921 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2922 | "0319 READ_SPARAM mbxStatus error x%x " | |
2923 | "hba state x%x>\n", | |
2924 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2925 | lpfc_linkdown(phba); |
dea3101e | 2926 | goto out; |
2927 | } | |
2928 | ||
2e0fef85 | 2929 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 2930 | sizeof (struct serv_parm)); |
0558056c | 2931 | lpfc_update_vport_wwn(vport); |
92d7f7b0 JS |
2932 | if (vport->port_type == LPFC_PHYSICAL_PORT) { |
2933 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
2934 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
2935 | } | |
2936 | ||
dea3101e | 2937 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2938 | kfree(mp); | |
2e0fef85 | 2939 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2940 | return; |
2941 | ||
2942 | out: | |
2943 | pmb->context1 = NULL; | |
2944 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2945 | kfree(mp); | |
92d7f7b0 JS |
2946 | lpfc_issue_clear_la(phba, vport); |
2947 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2948 | return; |
2949 | } | |
2950 | ||
2951 | static void | |
76a95d75 | 2952 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) |
dea3101e | 2953 | { |
92d7f7b0 | 2954 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 2955 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
df9e1b59 | 2956 | struct Scsi_Host *shost; |
2e0fef85 | 2957 | int i; |
14691150 JS |
2958 | struct lpfc_dmabuf *mp; |
2959 | int rc; | |
6fb120a7 | 2960 | struct fcf_record *fcf_record; |
14691150 | 2961 | |
92d7f7b0 | 2962 | spin_lock_irq(&phba->hbalock); |
76a95d75 JS |
2963 | switch (bf_get(lpfc_mbx_read_top_link_spd, la)) { |
2964 | case LPFC_LINK_SPEED_1GHZ: | |
2965 | case LPFC_LINK_SPEED_2GHZ: | |
2966 | case LPFC_LINK_SPEED_4GHZ: | |
2967 | case LPFC_LINK_SPEED_8GHZ: | |
2968 | case LPFC_LINK_SPEED_10GHZ: | |
2969 | case LPFC_LINK_SPEED_16GHZ: | |
2970 | phba->fc_linkspeed = bf_get(lpfc_mbx_read_top_link_spd, la); | |
f4b4c68f | 2971 | break; |
92d7f7b0 | 2972 | default: |
76a95d75 | 2973 | phba->fc_linkspeed = LPFC_LINK_SPEED_UNKNOWN; |
92d7f7b0 | 2974 | break; |
dea3101e | 2975 | } |
2976 | ||
76a95d75 | 2977 | phba->fc_topology = bf_get(lpfc_mbx_read_top_topology, la); |
92d7f7b0 | 2978 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 2979 | |
df9e1b59 | 2980 | shost = lpfc_shost_from_vport(vport); |
76a95d75 | 2981 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 | 2982 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 2983 | |
6a9c52cf JS |
2984 | /* if npiv is enabled and this adapter supports npiv log |
2985 | * a message that npiv is not supported in this topology | |
2986 | */ | |
2987 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
2988 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
2989 | "1309 Link Up Event npiv not supported in loop " | |
2990 | "topology\n"); | |
92d7f7b0 | 2991 | /* Get Loop Map information */ |
df9e1b59 | 2992 | if (bf_get(lpfc_mbx_read_top_il, la)) { |
72859909 | 2993 | spin_lock(shost->host_lock); |
2e0fef85 | 2994 | vport->fc_flag |= FC_LBIT; |
72859909 | 2995 | spin_unlock(shost->host_lock); |
df9e1b59 | 2996 | } |
dea3101e | 2997 | |
76a95d75 JS |
2998 | vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la); |
2999 | i = la->lilpBde64.tus.f.bdeSize; | |
dea3101e | 3000 | |
3001 | if (i == 0) { | |
3002 | phba->alpa_map[0] = 0; | |
3003 | } else { | |
e8b62011 | 3004 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 3005 | int numalpa, j, k; |
3006 | union { | |
3007 | uint8_t pamap[16]; | |
3008 | struct { | |
3009 | uint32_t wd1; | |
3010 | uint32_t wd2; | |
3011 | uint32_t wd3; | |
3012 | uint32_t wd4; | |
3013 | } pa; | |
3014 | } un; | |
3015 | numalpa = phba->alpa_map[0]; | |
3016 | j = 0; | |
3017 | while (j < numalpa) { | |
3018 | memset(un.pamap, 0, 16); | |
3019 | for (k = 1; j < numalpa; k++) { | |
3020 | un.pamap[k - 1] = | |
3021 | phba->alpa_map[j + 1]; | |
3022 | j++; | |
3023 | if (k == 16) | |
3024 | break; | |
3025 | } | |
3026 | /* Link Up Event ALPA map */ | |
3027 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
3028 | KERN_WARNING, |
3029 | LOG_LINK_EVENT, | |
e8b62011 | 3030 | "1304 Link Up Event " |
92d7f7b0 JS |
3031 | "ALPA map Data: x%x " |
3032 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
3033 | un.pa.wd1, un.pa.wd2, |
3034 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 3035 | } |
3036 | } | |
3037 | } | |
3038 | } else { | |
92d7f7b0 | 3039 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 3040 | if (phba->max_vpi && phba->cfg_enable_npiv && |
df9e1b59 | 3041 | (phba->sli_rev >= LPFC_SLI_REV3)) |
92d7f7b0 JS |
3042 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
3043 | } | |
2e0fef85 | 3044 | vport->fc_myDID = phba->fc_pref_DID; |
72859909 | 3045 | spin_lock(shost->host_lock); |
2e0fef85 | 3046 | vport->fc_flag |= FC_LBIT; |
72859909 | 3047 | spin_unlock(shost->host_lock); |
dea3101e | 3048 | } |
92d7f7b0 | 3049 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3050 | |
3051 | lpfc_linkup(phba); | |
9f1177a3 JS |
3052 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3053 | if (!sparam_mbox) | |
3054 | goto out; | |
3055 | ||
3056 | rc = lpfc_read_sparam(phba, sparam_mbox, 0); | |
3057 | if (rc) { | |
3058 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
3059 | goto out; | |
3060 | } | |
3061 | sparam_mbox->vport = vport; | |
3062 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
3063 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); | |
3064 | if (rc == MBX_NOT_FINISHED) { | |
3065 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
3066 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3067 | kfree(mp); | |
3068 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
3069 | goto out; | |
dea3101e | 3070 | } |
3071 | ||
76a95d75 | 3072 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
6fb120a7 JS |
3073 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3074 | if (!cfglink_mbox) | |
3075 | goto out; | |
2e0fef85 | 3076 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 3077 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 3078 | cfglink_mbox->vport = vport; |
25594c6b | 3079 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 3080 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
3081 | if (rc == MBX_NOT_FINISHED) { |
3082 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
3083 | goto out; | |
3084 | } | |
3085 | } else { | |
32b9793f | 3086 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
3087 | /* |
3088 | * Add the driver's default FCF record at FCF index 0 now. This | |
3089 | * is phase 1 implementation that support FCF index 0 and driver | |
3090 | * defaults. | |
3091 | */ | |
45ed1190 | 3092 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
3093 | fcf_record = kzalloc(sizeof(struct fcf_record), |
3094 | GFP_KERNEL); | |
3095 | if (unlikely(!fcf_record)) { | |
3096 | lpfc_printf_log(phba, KERN_ERR, | |
3097 | LOG_MBOX | LOG_SLI, | |
b595076a | 3098 | "2554 Could not allocate memory for " |
6fb120a7 JS |
3099 | "fcf record\n"); |
3100 | rc = -ENODEV; | |
3101 | goto out; | |
3102 | } | |
3103 | ||
3104 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
3105 | LPFC_FCOE_FCF_DEF_INDEX); | |
3106 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
3107 | if (unlikely(rc)) { | |
3108 | lpfc_printf_log(phba, KERN_ERR, | |
3109 | LOG_MBOX | LOG_SLI, | |
3110 | "2013 Could not manually add FCF " | |
3111 | "record 0, status %d\n", rc); | |
3112 | rc = -ENODEV; | |
3113 | kfree(fcf_record); | |
3114 | goto out; | |
3115 | } | |
3116 | kfree(fcf_record); | |
3117 | } | |
3118 | /* | |
3119 | * The driver is expected to do FIP/FCF. Call the port | |
3120 | * and get the FCF Table. | |
3121 | */ | |
32b9793f | 3122 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 3123 | if (phba->hba_flag & FCF_TS_INPROG) { |
32b9793f JS |
3124 | spin_unlock_irq(&phba->hbalock); |
3125 | return; | |
3126 | } | |
0c9ab6f5 JS |
3127 | /* This is the initial FCF discovery scan */ |
3128 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
32b9793f | 3129 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
3130 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
3131 | "2778 Start FCF table scan at linkup\n"); | |
0c9ab6f5 JS |
3132 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
3133 | LPFC_FCOE_FCF_GET_FIRST); | |
3134 | if (rc) { | |
3135 | spin_lock_irq(&phba->hbalock); | |
3136 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
3137 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 3138 | goto out; |
0c9ab6f5 | 3139 | } |
38b92ef8 | 3140 | /* Reset FCF roundrobin bmask for new discovery */ |
7d791df7 | 3141 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
dea3101e | 3142 | } |
6fb120a7 JS |
3143 | |
3144 | return; | |
92d7f7b0 JS |
3145 | out: |
3146 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
3147 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
3148 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
3149 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
3150 | lpfc_issue_clear_la(phba, vport); |
3151 | return; | |
dea3101e | 3152 | } |
3153 | ||
3154 | static void | |
84774a4d | 3155 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 3156 | { |
dea3101e | 3157 | uint32_t control; |
3158 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 3159 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3160 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
3161 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
3162 | control = readl(phba->HCregaddr); | |
3163 | control |= HC_LAINT_ENA; | |
3164 | writel(control, phba->HCregaddr); | |
3165 | readl(phba->HCregaddr); /* flush */ | |
3166 | } | |
2e0fef85 | 3167 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3168 | } |
3169 | ||
84774a4d JS |
3170 | static void |
3171 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
3172 | { | |
3173 | lpfc_linkdown(phba); | |
3174 | lpfc_enable_la(phba); | |
6fb120a7 | 3175 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
3176 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
3177 | } | |
3178 | ||
3179 | ||
dea3101e | 3180 | /* |
76a95d75 | 3181 | * This routine handles processing a READ_TOPOLOGY mailbox |
dea3101e | 3182 | * command upon completion. It is setup in the LPFC_MBOXQ |
3183 | * as the completion routine when the command is | |
3184 | * handed off to the SLI layer. | |
3185 | */ | |
3186 | void | |
76a95d75 | 3187 | lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3188 | { |
2e0fef85 JS |
3189 | struct lpfc_vport *vport = pmb->vport; |
3190 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
76a95d75 | 3191 | struct lpfc_mbx_read_top *la; |
04c68496 | 3192 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 3193 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3194 | ||
0d2b6b83 JS |
3195 | /* Unblock ELS traffic */ |
3196 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e | 3197 | /* Check for error */ |
3198 | if (mb->mbxStatus) { | |
ed957684 | 3199 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
3200 | "1307 READ_LA mbox error x%x state x%x\n", |
3201 | mb->mbxStatus, vport->port_state); | |
dea3101e | 3202 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 3203 | phba->link_state = LPFC_HBA_ERROR; |
76a95d75 | 3204 | goto lpfc_mbx_cmpl_read_topology_free_mbuf; |
dea3101e | 3205 | } |
3206 | ||
76a95d75 | 3207 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; |
dea3101e | 3208 | |
3209 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
3210 | ||
2e0fef85 | 3211 | spin_lock_irq(shost->host_lock); |
76a95d75 | 3212 | if (bf_get(lpfc_mbx_read_top_pb, la)) |
2e0fef85 | 3213 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 3214 | else |
2e0fef85 JS |
3215 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
3216 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 3217 | |
0c287589 | 3218 | if ((phba->fc_eventTag < la->eventTag) || |
92d7f7b0 | 3219 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 3220 | phba->fc_stat.LinkMultiEvent++; |
76a95d75 | 3221 | if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) |
dea3101e | 3222 | if (phba->fc_eventTag != 0) |
3223 | lpfc_linkdown(phba); | |
92d7f7b0 | 3224 | } |
dea3101e | 3225 | |
3226 | phba->fc_eventTag = la->eventTag; | |
72100cc4 | 3227 | spin_lock_irq(&phba->hbalock); |
76a95d75 | 3228 | if (bf_get(lpfc_mbx_read_top_mm, la)) |
84774a4d JS |
3229 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; |
3230 | else | |
3231 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
72100cc4 | 3232 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3233 | |
4d9ab994 | 3234 | phba->link_events++; |
76a95d75 JS |
3235 | if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) && |
3236 | (!bf_get(lpfc_mbx_read_top_mm, la))) { | |
dea3101e | 3237 | phba->fc_stat.LinkUp++; |
2e0fef85 | 3238 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 3239 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
3240 | "1306 Link Up Event in loop back mode " |
3241 | "x%x received Data: x%x x%x x%x x%x\n", | |
3242 | la->eventTag, phba->fc_eventTag, | |
76a95d75 JS |
3243 | bf_get(lpfc_mbx_read_top_alpa_granted, |
3244 | la), | |
3245 | bf_get(lpfc_mbx_read_top_link_spd, la), | |
e8b62011 | 3246 | phba->alpa_map[0]); |
5b8bd0c9 JS |
3247 | } else { |
3248 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 3249 | "1303 Link Up Event x%x received " |
84774a4d | 3250 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 | 3251 | la->eventTag, phba->fc_eventTag, |
76a95d75 JS |
3252 | bf_get(lpfc_mbx_read_top_alpa_granted, |
3253 | la), | |
3254 | bf_get(lpfc_mbx_read_top_link_spd, la), | |
84774a4d | 3255 | phba->alpa_map[0], |
76a95d75 JS |
3256 | bf_get(lpfc_mbx_read_top_mm, la), |
3257 | bf_get(lpfc_mbx_read_top_fa, la), | |
84774a4d | 3258 | phba->wait_4_mlo_maint_flg); |
5b8bd0c9 | 3259 | } |
92d7f7b0 | 3260 | lpfc_mbx_process_link_up(phba, la); |
76a95d75 JS |
3261 | } else if (bf_get(lpfc_mbx_read_top_att_type, la) == |
3262 | LPFC_ATT_LINK_DOWN) { | |
dea3101e | 3263 | phba->fc_stat.LinkDown++; |
1b51197d | 3264 | if (phba->link_flag & LS_LOOPBACK_MODE) |
3163f725 JS |
3265 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
3266 | "1308 Link Down Event in loop back mode " | |
3267 | "x%x received " | |
3268 | "Data: x%x x%x x%x\n", | |
3269 | la->eventTag, phba->fc_eventTag, | |
3270 | phba->pport->port_state, vport->fc_flag); | |
1b51197d | 3271 | else |
3163f725 | 3272 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 | 3273 | "1305 Link Down Event x%x received " |
84774a4d JS |
3274 | "Data: x%x x%x x%x x%x x%x\n", |
3275 | la->eventTag, phba->fc_eventTag, | |
3276 | phba->pport->port_state, vport->fc_flag, | |
76a95d75 JS |
3277 | bf_get(lpfc_mbx_read_top_mm, la), |
3278 | bf_get(lpfc_mbx_read_top_fa, la)); | |
84774a4d JS |
3279 | lpfc_mbx_issue_link_down(phba); |
3280 | } | |
76a95d75 JS |
3281 | if ((bf_get(lpfc_mbx_read_top_mm, la)) && |
3282 | (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)) { | |
84774a4d JS |
3283 | if (phba->link_state != LPFC_LINK_DOWN) { |
3284 | phba->fc_stat.LinkDown++; | |
3285 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3286 | "1312 Link Down Event x%x received " | |
dea3101e | 3287 | "Data: x%x x%x x%x\n", |
e8b62011 | 3288 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 3289 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
3290 | lpfc_mbx_issue_link_down(phba); |
3291 | } else | |
3292 | lpfc_enable_la(phba); | |
3293 | ||
3294 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3295 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
3296 | "Data: x%x x%x x%x\n", | |
3297 | la->eventTag, phba->fc_eventTag, | |
3298 | phba->pport->port_state, vport->fc_flag); | |
3299 | /* | |
3300 | * The cmnd that triggered this will be waiting for this | |
3301 | * signal. | |
3302 | */ | |
3303 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
3304 | if (phba->wait_4_mlo_maint_flg) { | |
3305 | phba->wait_4_mlo_maint_flg = 0; | |
3306 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 3307 | } |
84774a4d JS |
3308 | } |
3309 | ||
76a95d75 JS |
3310 | if (bf_get(lpfc_mbx_read_top_fa, la)) { |
3311 | if (bf_get(lpfc_mbx_read_top_mm, la)) | |
84774a4d JS |
3312 | lpfc_issue_clear_la(phba, vport); |
3313 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
76a95d75 JS |
3314 | "1311 fa %d\n", |
3315 | bf_get(lpfc_mbx_read_top_fa, la)); | |
dea3101e | 3316 | } |
3317 | ||
76a95d75 | 3318 | lpfc_mbx_cmpl_read_topology_free_mbuf: |
dea3101e | 3319 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3320 | kfree(mp); | |
3321 | mempool_free(pmb, phba->mbox_mem_pool); | |
3322 | return; | |
3323 | } | |
3324 | ||
3325 | /* | |
3326 | * This routine handles processing a REG_LOGIN mailbox | |
3327 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3328 | * as the completion routine when the command is | |
3329 | * handed off to the SLI layer. | |
3330 | */ | |
3331 | void | |
2e0fef85 | 3332 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3333 | { |
2e0fef85 | 3334 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 3335 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 3336 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
ffc95493 | 3337 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3338 | |
dea3101e | 3339 | pmb->context1 = NULL; |
d439d286 | 3340 | pmb->context2 = NULL; |
dea3101e | 3341 | |
ffc95493 JS |
3342 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
3343 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
3344 | ||
4042629e JS |
3345 | if (ndlp->nlp_flag & NLP_IGNR_REG_CMPL || |
3346 | ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) { | |
ffc95493 JS |
3347 | /* We rcvd a rscn after issuing this |
3348 | * mbox reg login, we may have cycled | |
3349 | * back through the state and be | |
3350 | * back at reg login state so this | |
3351 | * mbox needs to be ignored becase | |
3352 | * there is another reg login in | |
25985edc | 3353 | * process. |
ffc95493 JS |
3354 | */ |
3355 | spin_lock_irq(shost->host_lock); | |
3356 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
3357 | spin_unlock_irq(shost->host_lock); | |
ffc95493 JS |
3358 | } else |
3359 | /* Good status, call state machine */ | |
3360 | lpfc_disc_state_machine(vport, ndlp, pmb, | |
3361 | NLP_EVT_CMPL_REG_LOGIN); | |
3362 | ||
dea3101e | 3363 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3364 | kfree(mp); | |
2e0fef85 | 3365 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
3366 | /* decrement the node reference count held for this callback |
3367 | * function. | |
3368 | */ | |
329f9bc7 | 3369 | lpfc_nlp_put(ndlp); |
dea3101e | 3370 | |
3371 | return; | |
3372 | } | |
3373 | ||
92d7f7b0 JS |
3374 | static void |
3375 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3376 | { | |
04c68496 | 3377 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
3378 | struct lpfc_vport *vport = pmb->vport; |
3379 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3380 | ||
3381 | switch (mb->mbxStatus) { | |
3382 | case 0x0011: | |
3383 | case 0x0020: | |
e8b62011 JS |
3384 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3385 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
3386 | mb->mbxStatus); | |
92d7f7b0 | 3387 | break; |
78730cfe JS |
3388 | /* If VPI is busy, reset the HBA */ |
3389 | case 0x9700: | |
3390 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3391 | "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n", | |
3392 | vport->vpi, mb->mbxStatus); | |
3393 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
3394 | lpfc_workq_post_event(phba, NULL, NULL, | |
3395 | LPFC_EVT_RESET_HBA); | |
92d7f7b0 | 3396 | } |
72100cc4 | 3397 | spin_lock_irq(shost->host_lock); |
c868595d | 3398 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 3399 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 3400 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
3401 | vport->unreg_vpi_cmpl = VPORT_OK; |
3402 | mempool_free(pmb, phba->mbox_mem_pool); | |
1151e3ec | 3403 | lpfc_cleanup_vports_rrqs(vport, NULL); |
92d7f7b0 JS |
3404 | /* |
3405 | * This shost reference might have been taken at the beginning of | |
3406 | * lpfc_vport_delete() | |
3407 | */ | |
1c6f4ef5 | 3408 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
3409 | scsi_host_put(shost); |
3410 | } | |
3411 | ||
d7c255b2 | 3412 | int |
92d7f7b0 JS |
3413 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
3414 | { | |
3415 | struct lpfc_hba *phba = vport->phba; | |
3416 | LPFC_MBOXQ_t *mbox; | |
3417 | int rc; | |
3418 | ||
3419 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3420 | if (!mbox) | |
d7c255b2 | 3421 | return 1; |
92d7f7b0 JS |
3422 | |
3423 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
3424 | mbox->vport = vport; | |
3425 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 3426 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 3427 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
3428 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3429 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
3430 | mempool_free(mbox, phba->mbox_mem_pool); |
3431 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 3432 | return rc; |
92d7f7b0 | 3433 | } |
d7c255b2 | 3434 | return 0; |
92d7f7b0 JS |
3435 | } |
3436 | ||
3437 | static void | |
3438 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3439 | { | |
3440 | struct lpfc_vport *vport = pmb->vport; | |
3441 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 3442 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
3443 | |
3444 | switch (mb->mbxStatus) { | |
3445 | case 0x0011: | |
3446 | case 0x9601: | |
3447 | case 0x9602: | |
e8b62011 JS |
3448 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3449 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
3450 | mb->mbxStatus); | |
92d7f7b0 JS |
3451 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
3452 | spin_lock_irq(shost->host_lock); | |
3453 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
3454 | spin_unlock_irq(shost->host_lock); | |
3455 | vport->fc_myDID = 0; | |
3456 | goto out; | |
3457 | } | |
92d7f7b0 | 3458 | |
72100cc4 | 3459 | spin_lock_irq(shost->host_lock); |
c868595d | 3460 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 3461 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 3462 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
3463 | vport->num_disc_nodes = 0; |
3464 | /* go thru NPR list and issue ELS PLOGIs */ | |
3465 | if (vport->fc_npr_cnt) | |
3466 | lpfc_els_disc_plogi(vport); | |
3467 | ||
3468 | if (!vport->num_disc_nodes) { | |
3469 | spin_lock_irq(shost->host_lock); | |
3470 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
3471 | spin_unlock_irq(shost->host_lock); | |
3472 | lpfc_can_disctmo(vport); | |
3473 | } | |
3474 | vport->port_state = LPFC_VPORT_READY; | |
3475 | ||
3476 | out: | |
3477 | mempool_free(pmb, phba->mbox_mem_pool); | |
3478 | return; | |
3479 | } | |
3480 | ||
21e9a0a5 JS |
3481 | /** |
3482 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
3483 | * @phba: pointer to lpfc hba data structure. | |
3484 | * | |
3485 | * This routine issue a DUMP mailbox command for config region 22 to get | |
3486 | * the list of static vports to be created. The function create vports | |
3487 | * based on the information returned from the HBA. | |
3488 | **/ | |
3489 | void | |
3490 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
3491 | { | |
3492 | LPFC_MBOXQ_t *pmb = NULL; | |
3493 | MAILBOX_t *mb; | |
3494 | struct static_vport_info *vport_info; | |
1c6834a7 | 3495 | int rc = 0, i; |
21e9a0a5 JS |
3496 | struct fc_vport_identifiers vport_id; |
3497 | struct fc_vport *new_fc_vport; | |
3498 | struct Scsi_Host *shost; | |
3499 | struct lpfc_vport *vport; | |
3500 | uint16_t offset = 0; | |
3501 | uint8_t *vport_buff; | |
1c6834a7 JS |
3502 | struct lpfc_dmabuf *mp; |
3503 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
3504 | |
3505 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3506 | if (!pmb) { | |
3507 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3508 | "0542 lpfc_create_static_vport failed to" | |
3509 | " allocate mailbox memory\n"); | |
3510 | return; | |
3511 | } | |
3512 | ||
3513 | mb = &pmb->u.mb; | |
3514 | ||
3515 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
3516 | if (!vport_info) { | |
3517 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3518 | "0543 lpfc_create_static_vport failed to" | |
3519 | " allocate vport_info\n"); | |
3520 | mempool_free(pmb, phba->mbox_mem_pool); | |
3521 | return; | |
3522 | } | |
3523 | ||
3524 | vport_buff = (uint8_t *) vport_info; | |
3525 | do { | |
1c6834a7 JS |
3526 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
3527 | goto out; | |
3528 | ||
21e9a0a5 JS |
3529 | pmb->vport = phba->pport; |
3530 | rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO); | |
3531 | ||
3532 | if ((rc != MBX_SUCCESS) || mb->mbxStatus) { | |
3533 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3534 | "0544 lpfc_create_static_vport failed to" | |
3535 | " issue dump mailbox command ret 0x%x " | |
3536 | "status 0x%x\n", | |
3537 | rc, mb->mbxStatus); | |
3538 | goto out; | |
3539 | } | |
3540 | ||
1c6834a7 JS |
3541 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3542 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
3543 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
3544 | if (byte_count > sizeof(struct static_vport_info) - | |
3545 | offset) | |
3546 | byte_count = sizeof(struct static_vport_info) | |
3547 | - offset; | |
3548 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
3549 | offset += byte_count; | |
3550 | } else { | |
3551 | if (mb->un.varDmp.word_cnt > | |
3552 | sizeof(struct static_vport_info) - offset) | |
3553 | mb->un.varDmp.word_cnt = | |
3554 | sizeof(struct static_vport_info) | |
3555 | - offset; | |
3556 | byte_count = mb->un.varDmp.word_cnt; | |
3557 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
3558 | vport_buff + offset, | |
3559 | byte_count); | |
3560 | ||
3561 | offset += byte_count; | |
3562 | } | |
21e9a0a5 | 3563 | |
1c6834a7 | 3564 | } while (byte_count && |
21e9a0a5 JS |
3565 | offset < sizeof(struct static_vport_info)); |
3566 | ||
3567 | ||
3568 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
3569 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
3570 | != VPORT_INFO_REV)) { | |
3571 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3572 | "0545 lpfc_create_static_vport bad" | |
3573 | " information header 0x%x 0x%x\n", | |
3574 | le32_to_cpu(vport_info->signature), | |
3575 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
3576 | ||
3577 | goto out; | |
3578 | } | |
3579 | ||
3580 | shost = lpfc_shost_from_vport(phba->pport); | |
3581 | ||
3582 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
3583 | memset(&vport_id, 0, sizeof(vport_id)); | |
3584 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
3585 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
3586 | if (!vport_id.port_name || !vport_id.node_name) | |
3587 | continue; | |
3588 | ||
3589 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
3590 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
3591 | vport_id.disable = false; | |
3592 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
3593 | ||
3594 | if (!new_fc_vport) { | |
3595 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3596 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 3597 | " create vport\n"); |
21e9a0a5 JS |
3598 | continue; |
3599 | } | |
3600 | ||
3601 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
3602 | vport->vport_flag |= STATIC_VPORT; | |
3603 | } | |
3604 | ||
3605 | out: | |
21e9a0a5 | 3606 | kfree(vport_info); |
1c6834a7 JS |
3607 | if (rc != MBX_TIMEOUT) { |
3608 | if (pmb->context2) { | |
3609 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
3610 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3611 | kfree(mp); | |
3612 | } | |
21e9a0a5 | 3613 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 3614 | } |
21e9a0a5 JS |
3615 | |
3616 | return; | |
3617 | } | |
3618 | ||
dea3101e | 3619 | /* |
3620 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
3621 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3622 | * as the completion routine when the command is | |
3623 | * handed off to the SLI layer. | |
3624 | */ | |
3625 | void | |
2e0fef85 | 3626 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3627 | { |
92d7f7b0 | 3628 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 3629 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 3630 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 3631 | struct lpfc_nodelist *ndlp; |
df9e1b59 | 3632 | struct Scsi_Host *shost; |
dea3101e | 3633 | |
549e55cd | 3634 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
3635 | pmb->context1 = NULL; |
3636 | pmb->context2 = NULL; | |
d439d286 | 3637 | |
dea3101e | 3638 | if (mb->mbxStatus) { |
21e9a0a5 JS |
3639 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
3640 | "0258 Register Fabric login error: 0x%x\n", | |
3641 | mb->mbxStatus); | |
dea3101e | 3642 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3643 | kfree(mp); | |
329f9bc7 | 3644 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3645 | |
76a95d75 | 3646 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
3647 | /* FLOGI failed, use loop map to make discovery list */ |
3648 | lpfc_disc_list_loopmap(vport); | |
3649 | ||
3650 | /* Start discovery */ | |
3651 | lpfc_disc_start(vport); | |
e47c9093 JS |
3652 | /* Decrement the reference count to ndlp after the |
3653 | * reference to the ndlp are done. | |
3654 | */ | |
3655 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
3656 | return; |
3657 | } | |
3658 | ||
3659 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
3660 | /* Decrement the reference count to ndlp after the reference |
3661 | * to the ndlp are done. | |
3662 | */ | |
3663 | lpfc_nlp_put(ndlp); | |
dea3101e | 3664 | return; |
3665 | } | |
3666 | ||
6d368e53 JS |
3667 | if (phba->sli_rev < LPFC_SLI_REV4) |
3668 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 3669 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 3670 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3671 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3672 | |
2e0fef85 | 3673 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
4b40c59e JS |
3674 | /* when physical port receive logo donot start |
3675 | * vport discovery */ | |
3676 | if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) | |
3677 | lpfc_start_fdiscs(phba); | |
df9e1b59 JS |
3678 | else { |
3679 | shost = lpfc_shost_from_vport(vport); | |
3680 | spin_lock_irq(shost->host_lock); | |
4b40c59e | 3681 | vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ; |
df9e1b59 JS |
3682 | spin_unlock_irq(shost->host_lock); |
3683 | } | |
92d7f7b0 | 3684 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 3685 | } |
3686 | ||
3687 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3688 | kfree(mp); | |
329f9bc7 | 3689 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
3690 | |
3691 | /* Drop the reference count from the mbox at the end after | |
3692 | * all the current reference to the ndlp have been done. | |
3693 | */ | |
3694 | lpfc_nlp_put(ndlp); | |
dea3101e | 3695 | return; |
3696 | } | |
3697 | ||
3698 | /* | |
3699 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
3700 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3701 | * as the completion routine when the command is | |
3702 | * handed off to the SLI layer. | |
3703 | */ | |
3704 | void | |
2e0fef85 | 3705 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3706 | { |
21e9a0a5 | 3707 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
3708 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3709 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3710 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 3711 | |
d439d286 JS |
3712 | pmb->context1 = NULL; |
3713 | pmb->context2 = NULL; | |
3714 | ||
dea3101e | 3715 | if (mb->mbxStatus) { |
92d7f7b0 | 3716 | out: |
21e9a0a5 JS |
3717 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3718 | "0260 Register NameServer error: 0x%x\n", | |
3719 | mb->mbxStatus); | |
fa4066b6 JS |
3720 | /* decrement the node reference count held for this |
3721 | * callback function. | |
3722 | */ | |
329f9bc7 | 3723 | lpfc_nlp_put(ndlp); |
dea3101e | 3724 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3725 | kfree(mp); | |
de0c5b32 | 3726 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
3727 | |
3728 | /* If no other thread is using the ndlp, free it */ | |
3729 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 3730 | |
76a95d75 | 3731 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
3732 | /* |
3733 | * RegLogin failed, use loop map to make discovery | |
3734 | * list | |
3735 | */ | |
3736 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 3737 | |
92d7f7b0 JS |
3738 | /* Start discovery */ |
3739 | lpfc_disc_start(vport); | |
3740 | return; | |
3741 | } | |
3742 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e | 3743 | return; |
3744 | } | |
3745 | ||
6d368e53 JS |
3746 | if (phba->sli_rev < LPFC_SLI_REV4) |
3747 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 3748 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 3749 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3750 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3751 | |
2e0fef85 JS |
3752 | if (vport->port_state < LPFC_VPORT_READY) { |
3753 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
3754 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
3755 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
3756 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
3757 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3758 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
3759 | ||
3760 | /* Issue SCR just before NameServer GID_FT Query */ | |
3761 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 3762 | } |
3763 | ||
2e0fef85 | 3764 | vport->fc_ns_retry = 0; |
dea3101e | 3765 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 3766 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 3767 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 3768 | goto out; |
dea3101e | 3769 | } |
3770 | ||
fa4066b6 JS |
3771 | /* decrement the node reference count held for this |
3772 | * callback function. | |
3773 | */ | |
329f9bc7 | 3774 | lpfc_nlp_put(ndlp); |
dea3101e | 3775 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3776 | kfree(mp); | |
2e0fef85 | 3777 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3778 | |
3779 | return; | |
3780 | } | |
3781 | ||
3782 | static void | |
2e0fef85 | 3783 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3784 | { |
2e0fef85 JS |
3785 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3786 | struct fc_rport *rport; | |
dea3101e | 3787 | struct lpfc_rport_data *rdata; |
3788 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 3789 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3790 | |
3791 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
3792 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
3793 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 3794 | rport_ids.port_id = ndlp->nlp_DID; |
3795 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 3796 | |
329f9bc7 JS |
3797 | /* |
3798 | * We leave our node pointer in rport->dd_data when we unregister a | |
3799 | * FCP target port. But fc_remote_port_add zeros the space to which | |
3800 | * rport->dd_data points. So, if we're reusing a previously | |
3801 | * registered port, drop the reference that we took the last time we | |
3802 | * registered the port. | |
3803 | */ | |
3804 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 3805 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 3806 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
3807 | |
3808 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
3809 | "rport add: did:x%x flg:x%x type x%x", | |
3810 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3811 | ||
9589b062 JS |
3812 | /* Don't add the remote port if unloading. */ |
3813 | if (vport->load_flag & FC_UNLOADING) | |
3814 | return; | |
3815 | ||
2e0fef85 | 3816 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 3817 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 3818 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
3819 | "Warning: fc_remote_port_add failed\n"); | |
3820 | return; | |
3821 | } | |
3822 | ||
3823 | /* initialize static port data */ | |
3824 | rport->maxframe_size = ndlp->nlp_maxframe; | |
3825 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 3826 | rdata = rport->dd_data; |
329f9bc7 | 3827 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
3828 | |
3829 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
3830 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
3831 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
3832 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
3833 | ||
23dc04f1 JSEC |
3834 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) |
3835 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
3836 | ||
071fbd3d | 3837 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 3838 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
3839 | ndlp->nlp_sid = rport->scsi_target_id; |
3840 | } | |
19a7b4ae JSEC |
3841 | return; |
3842 | } | |
3843 | ||
3844 | static void | |
2e0fef85 | 3845 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
3846 | { |
3847 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 3848 | |
858c9f6c JS |
3849 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
3850 | "rport delete: did:x%x flg:x%x type x%x", | |
3851 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3852 | ||
19a7b4ae | 3853 | fc_remote_port_delete(rport); |
dea3101e | 3854 | |
3855 | return; | |
3856 | } | |
3857 | ||
de0c5b32 | 3858 | static void |
2e0fef85 | 3859 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 3860 | { |
2e0fef85 JS |
3861 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3862 | ||
3863 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
3864 | switch (state) { |
3865 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 3866 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
3867 | break; |
3868 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 3869 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
3870 | break; |
3871 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 3872 | vport->fc_adisc_cnt += count; |
dea3101e | 3873 | break; |
de0c5b32 | 3874 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 3875 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
3876 | break; |
3877 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 3878 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
3879 | break; |
3880 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 3881 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
3882 | break; |
3883 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 3884 | vport->fc_map_cnt += count; |
de0c5b32 JS |
3885 | break; |
3886 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 3887 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
3888 | break; |
3889 | } | |
2e0fef85 | 3890 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 3891 | } |
66a9ed66 | 3892 | |
de0c5b32 | 3893 | static void |
2e0fef85 | 3894 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
3895 | int old_state, int new_state) |
3896 | { | |
2e0fef85 JS |
3897 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3898 | ||
de0c5b32 | 3899 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
de0c5b32 JS |
3900 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
3901 | ndlp->nlp_type |= NLP_FC_NODE; | |
3902 | } | |
3903 | if (new_state == NLP_STE_MAPPED_NODE) | |
3904 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3905 | if (new_state == NLP_STE_NPR_NODE) | |
3906 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
3907 | ||
3908 | /* Transport interface */ | |
3909 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
3910 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
3911 | vport->phba->nport_event_cnt++; |
3912 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 3913 | } |
dea3101e | 3914 | |
de0c5b32 JS |
3915 | if (new_state == NLP_STE_MAPPED_NODE || |
3916 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 3917 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
3918 | /* |
3919 | * Tell the fc transport about the port, if we haven't | |
3920 | * already. If we have, and it's a scsi entity, be | |
3921 | * sure to unblock any attached scsi devices | |
3922 | */ | |
3923 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 3924 | } |
ea2151b4 JS |
3925 | if ((new_state == NLP_STE_MAPPED_NODE) && |
3926 | (vport->stat_data_enabled)) { | |
3927 | /* | |
3928 | * A new target is discovered, if there is no buffer for | |
3929 | * statistical data collection allocate buffer. | |
3930 | */ | |
3931 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
3932 | sizeof(struct lpfc_scsicmd_bkt), | |
3933 | GFP_KERNEL); | |
3934 | ||
3935 | if (!ndlp->lat_data) | |
3936 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3937 | "0286 lpfc_nlp_state_cleanup failed to " | |
3938 | "allocate statistical data buffer DID " | |
3939 | "0x%x\n", ndlp->nlp_DID); | |
3940 | } | |
858c9f6c JS |
3941 | /* |
3942 | * if we added to Mapped list, but the remote port | |
3943 | * registration failed or assigned a target id outside | |
3944 | * our presentable range - move the node to the | |
3945 | * Unmapped List | |
3946 | */ | |
de0c5b32 JS |
3947 | if (new_state == NLP_STE_MAPPED_NODE && |
3948 | (!ndlp->rport || | |
3949 | ndlp->rport->scsi_target_id == -1 || | |
3950 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 3951 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 3952 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
3953 | spin_unlock_irq(shost->host_lock); |
3954 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 3955 | } |
de0c5b32 JS |
3956 | } |
3957 | ||
685f0bf7 JS |
3958 | static char * |
3959 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
3960 | { | |
3961 | static char *states[] = { | |
3962 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
3963 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
3964 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
3965 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
3966 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
3967 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
3968 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
3969 | [NLP_STE_NPR_NODE] = "NPR", | |
3970 | }; | |
3971 | ||
311464ec | 3972 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
3973 | strlcpy(buffer, states[state], size); |
3974 | else | |
3975 | snprintf(buffer, size, "unknown (%d)", state); | |
3976 | return buffer; | |
3977 | } | |
3978 | ||
de0c5b32 | 3979 | void |
2e0fef85 JS |
3980 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3981 | int state) | |
de0c5b32 | 3982 | { |
2e0fef85 | 3983 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 3984 | int old_state = ndlp->nlp_state; |
685f0bf7 | 3985 | char name1[16], name2[16]; |
de0c5b32 | 3986 | |
e8b62011 JS |
3987 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3988 | "0904 NPort state transition x%06x, %s -> %s\n", | |
3989 | ndlp->nlp_DID, | |
3990 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
3991 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
3992 | |
3993 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3994 | "node statechg did:x%x old:%d ste:%d", | |
3995 | ndlp->nlp_DID, old_state, state); | |
3996 | ||
de0c5b32 | 3997 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 3998 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 3999 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
4000 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
4001 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
4002 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
4003 | } | |
4004 | ||
685f0bf7 | 4005 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
4006 | spin_lock_irq(shost->host_lock); |
4007 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
4008 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 4009 | } else if (old_state) |
2e0fef85 | 4010 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
4011 | |
4012 | ndlp->nlp_state = state; | |
2e0fef85 JS |
4013 | lpfc_nlp_counters(vport, state, 1); |
4014 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
4015 | } |
4016 | ||
e47c9093 JS |
4017 | void |
4018 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
4019 | { | |
4020 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4021 | ||
4022 | if (list_empty(&ndlp->nlp_listp)) { | |
4023 | spin_lock_irq(shost->host_lock); | |
4024 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
4025 | spin_unlock_irq(shost->host_lock); | |
4026 | } | |
4027 | } | |
4028 | ||
de0c5b32 | 4029 | void |
2e0fef85 | 4030 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 4031 | { |
2e0fef85 JS |
4032 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4033 | ||
0d2b6b83 | 4034 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 4035 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
4036 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
4037 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4038 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 4039 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 4040 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
4041 | NLP_STE_UNUSED_NODE); |
4042 | } | |
4043 | ||
4d9db01e | 4044 | static void |
e47c9093 JS |
4045 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
4046 | { | |
0d2b6b83 | 4047 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
4048 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
4049 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
4050 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
4051 | NLP_STE_UNUSED_NODE); | |
4052 | } | |
109f6ed0 | 4053 | /** |
3621a710 | 4054 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
4055 | * @vport: Pointer to Virtual Port object. |
4056 | * @ndlp: Pointer to FC node object. | |
4057 | * @did: FC_ID of the node. | |
a257bf90 JS |
4058 | * |
4059 | * This function is always called when node object need to be initialized. | |
4060 | * It initializes all the fields of the node object. Although the reference | |
4061 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
4062 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
4063 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
4064 | * the final release of ndlp is determined by its reference count. And, the | |
4065 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
4066 | **/ |
4067 | static inline void | |
4068 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
4069 | uint32_t did) | |
4070 | { | |
4071 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
4072 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
4073 | init_timer(&ndlp->nlp_delayfunc); | |
4074 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
4075 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
4076 | ndlp->nlp_DID = did; | |
4077 | ndlp->vport = vport; | |
a257bf90 | 4078 | ndlp->phba = vport->phba; |
109f6ed0 JS |
4079 | ndlp->nlp_sid = NLP_NO_SID; |
4080 | kref_init(&ndlp->kref); | |
4081 | NLP_INT_NODE_ACT(ndlp); | |
4082 | atomic_set(&ndlp->cmd_pending, 0); | |
7dc517df | 4083 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
4042629e JS |
4084 | if (vport->phba->sli_rev == LPFC_SLI_REV4) |
4085 | ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba); | |
109f6ed0 | 4086 | } |
e47c9093 JS |
4087 | |
4088 | struct lpfc_nodelist * | |
4089 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
4090 | int state) | |
4091 | { | |
4092 | struct lpfc_hba *phba = vport->phba; | |
4093 | uint32_t did; | |
4094 | unsigned long flags; | |
4095 | ||
4096 | if (!ndlp) | |
4097 | return NULL; | |
4098 | ||
4099 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
4100 | /* The ndlp should not be in memory free mode */ | |
4101 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
4102 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4103 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4104 | "0277 lpfc_enable_node: ndlp:x%p " | |
4105 | "usgmap:x%x refcnt:%d\n", | |
4106 | (void *)ndlp, ndlp->nlp_usg_map, | |
4107 | atomic_read(&ndlp->kref.refcount)); | |
4108 | return NULL; | |
4109 | } | |
4110 | /* The ndlp should not already be in active mode */ | |
4111 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
4112 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4113 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4114 | "0278 lpfc_enable_node: ndlp:x%p " | |
4115 | "usgmap:x%x refcnt:%d\n", | |
4116 | (void *)ndlp, ndlp->nlp_usg_map, | |
4117 | atomic_read(&ndlp->kref.refcount)); | |
4118 | return NULL; | |
4119 | } | |
4120 | ||
4121 | /* Keep the original DID */ | |
4122 | did = ndlp->nlp_DID; | |
4123 | ||
4124 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
4125 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
4126 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 4127 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
4128 | |
4129 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4130 | ||
4131 | if (state != NLP_STE_UNUSED_NODE) | |
4132 | lpfc_nlp_set_state(vport, ndlp, state); | |
4133 | ||
4134 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4135 | "node enable: did:x%x", | |
4136 | ndlp->nlp_DID, 0, 0); | |
4137 | return ndlp; | |
de0c5b32 JS |
4138 | } |
4139 | ||
4140 | void | |
2e0fef85 | 4141 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 4142 | { |
87af33fe | 4143 | /* |
fa4066b6 | 4144 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 4145 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
4146 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
4147 | * until ALL other outstanding threads have completed. We check | |
4148 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 4149 | */ |
fa4066b6 JS |
4150 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
4151 | return; | |
51ef4c26 | 4152 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
1151e3ec JS |
4153 | if (vport->phba->sli_rev == LPFC_SLI_REV4) |
4154 | lpfc_cleanup_vports_rrqs(vport, ndlp); | |
87af33fe | 4155 | lpfc_nlp_put(ndlp); |
98c9ea5c | 4156 | return; |
dea3101e | 4157 | } |
4158 | ||
4159 | /* | |
4160 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
4161 | */ | |
4162 | void | |
2e0fef85 | 4163 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 4164 | { |
2e0fef85 JS |
4165 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4166 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4167 | uint32_t tmo; |
4168 | ||
2e0fef85 | 4169 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 4170 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
4171 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
4172 | } else { | |
025dfdaf | 4173 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
4174 | * FC spec states we need 3 * ratov for CT requests |
4175 | */ | |
4176 | tmo = ((phba->fc_ratov * 3) + 3); | |
4177 | } | |
dea3101e | 4178 | |
858c9f6c JS |
4179 | |
4180 | if (!timer_pending(&vport->fc_disctmo)) { | |
4181 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
4182 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
4183 | tmo, vport->port_state, vport->fc_flag); | |
4184 | } | |
4185 | ||
2e0fef85 JS |
4186 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
4187 | spin_lock_irq(shost->host_lock); | |
4188 | vport->fc_flag |= FC_DISC_TMO; | |
4189 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4190 | |
4191 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
4192 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4193 | "0247 Start Discovery Timer state x%x " | |
4194 | "Data: x%x x%lx x%x x%x\n", | |
4195 | vport->port_state, tmo, | |
4196 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
4197 | vport->fc_adisc_cnt); | |
dea3101e | 4198 | |
4199 | return; | |
4200 | } | |
4201 | ||
4202 | /* | |
4203 | * Cancel rescue timer for Discovery / RSCN handling | |
4204 | */ | |
4205 | int | |
2e0fef85 | 4206 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 4207 | { |
2e0fef85 | 4208 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
4209 | unsigned long iflags; |
4210 | ||
858c9f6c JS |
4211 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4212 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
4213 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
4214 | ||
dea3101e | 4215 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
4216 | if (vport->fc_flag & FC_DISC_TMO) { |
4217 | spin_lock_irqsave(shost->host_lock, iflags); | |
4218 | vport->fc_flag &= ~FC_DISC_TMO; | |
4219 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
4220 | del_timer_sync(&vport->fc_disctmo); | |
4221 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
4222 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
4223 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 4224 | } |
4225 | ||
4226 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
4227 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4228 | "0248 Cancel Discovery Timer state x%x " | |
4229 | "Data: x%x x%x x%x\n", | |
4230 | vport->port_state, vport->fc_flag, | |
4231 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 4232 | return 0; |
dea3101e | 4233 | } |
4234 | ||
4235 | /* | |
4236 | * Check specified ring for outstanding IOCB on the SLI queue | |
4237 | * Return true if iocb matches the specified nport | |
4238 | */ | |
4239 | int | |
2e0fef85 JS |
4240 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
4241 | struct lpfc_sli_ring *pring, | |
4242 | struct lpfc_iocbq *iocb, | |
4243 | struct lpfc_nodelist *ndlp) | |
dea3101e | 4244 | { |
2e0fef85 JS |
4245 | struct lpfc_sli *psli = &phba->sli; |
4246 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
4247 | struct lpfc_vport *vport = ndlp->vport; |
4248 | ||
4249 | if (iocb->vport != vport) | |
4250 | return 0; | |
4251 | ||
dea3101e | 4252 | if (pring->ringno == LPFC_ELS_RING) { |
4253 | switch (icmd->ulpCommand) { | |
4254 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 4255 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 4256 | return 1; |
dea3101e | 4257 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
4258 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
4259 | return 1; | |
dea3101e | 4260 | case CMD_XMIT_ELS_RSP64_CX: |
4261 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 4262 | return 1; |
dea3101e | 4263 | } |
a4bc3379 | 4264 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 4265 | |
4266 | } else if (pring->ringno == psli->fcp_ring) { | |
4267 | /* Skip match check if waiting to relogin to FCP target */ | |
4268 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 4269 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 4270 | return 0; |
dea3101e | 4271 | } |
4272 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 4273 | return 1; |
dea3101e | 4274 | } |
4275 | } else if (pring->ringno == psli->next_ring) { | |
4276 | ||
4277 | } | |
2fe165b6 | 4278 | return 0; |
dea3101e | 4279 | } |
4280 | ||
4281 | /* | |
4282 | * Free resources / clean up outstanding I/Os | |
4283 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
4284 | */ | |
4285 | static int | |
2e0fef85 | 4286 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4287 | { |
2534ba75 | 4288 | LIST_HEAD(completions); |
dea3101e | 4289 | struct lpfc_sli *psli; |
4290 | struct lpfc_sli_ring *pring; | |
4291 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 4292 | uint32_t i; |
dea3101e | 4293 | |
92d7f7b0 JS |
4294 | lpfc_fabric_abort_nport(ndlp); |
4295 | ||
dea3101e | 4296 | /* |
4297 | * Everything that matches on txcmplq will be returned | |
4298 | * by firmware with a no rpi error. | |
4299 | */ | |
4300 | psli = &phba->sli; | |
4042629e | 4301 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
dea3101e | 4302 | /* Now process each ring */ |
4303 | for (i = 0; i < psli->num_rings; i++) { | |
4304 | pring = &psli->ring[i]; | |
4305 | ||
2e0fef85 | 4306 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4307 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 4308 | list) { |
dea3101e | 4309 | /* |
4310 | * Check to see if iocb matches the nport we are | |
4311 | * looking for | |
4312 | */ | |
92d7f7b0 JS |
4313 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
4314 | ndlp))) { | |
dea3101e | 4315 | /* It matches, so deque and call compl |
4316 | with an error */ | |
2534ba75 JS |
4317 | list_move_tail(&iocb->list, |
4318 | &completions); | |
dea3101e | 4319 | pring->txq_cnt--; |
dea3101e | 4320 | } |
4321 | } | |
2e0fef85 | 4322 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4323 | } |
4324 | } | |
2534ba75 | 4325 | |
a257bf90 JS |
4326 | /* Cancel all the IOCBs from the completions list */ |
4327 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4328 | IOERR_SLI_ABORTED); | |
2534ba75 | 4329 | |
2fe165b6 | 4330 | return 0; |
dea3101e | 4331 | } |
4332 | ||
4333 | /* | |
4334 | * Free rpi associated with LPFC_NODELIST entry. | |
4335 | * This routine is called from lpfc_freenode(), when we are removing | |
4336 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
4337 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
4338 | * to the remote NPort. In addition, it is called after we receive | |
4339 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
4340 | * we are waiting to PLOGI back to the remote NPort. | |
4341 | */ | |
4342 | int | |
2e0fef85 | 4343 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4344 | { |
2e0fef85 JS |
4345 | struct lpfc_hba *phba = vport->phba; |
4346 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 4347 | int rc; |
6d368e53 | 4348 | uint16_t rpi; |
dea3101e | 4349 | |
4042629e | 4350 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
2e0fef85 JS |
4351 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4352 | if (mbox) { | |
6d368e53 JS |
4353 | /* SLI4 ports require the physical rpi value. */ |
4354 | rpi = ndlp->nlp_rpi; | |
4355 | if (phba->sli_rev == LPFC_SLI_REV4) | |
4356 | rpi = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; | |
4357 | lpfc_unreg_login(phba, vport->vpi, rpi, mbox); | |
ed957684 | 4358 | mbox->vport = vport; |
92d7f7b0 | 4359 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4360 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 4361 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 4362 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 4363 | } |
dea3101e | 4364 | lpfc_no_rpi(phba, ndlp); |
d7c47992 | 4365 | |
4042629e JS |
4366 | if (phba->sli_rev != LPFC_SLI_REV4) |
4367 | ndlp->nlp_rpi = 0; | |
4368 | ndlp->nlp_flag &= ~NLP_RPI_REGISTERED; | |
0c287589 | 4369 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 4370 | return 1; |
4371 | } | |
4372 | return 0; | |
4373 | } | |
4374 | ||
ecfd03c6 JS |
4375 | /** |
4376 | * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba. | |
4377 | * @phba: pointer to lpfc hba data structure. | |
4378 | * | |
4379 | * This routine is invoked to unregister all the currently registered RPIs | |
4380 | * to the HBA. | |
4381 | **/ | |
4382 | void | |
4383 | lpfc_unreg_hba_rpis(struct lpfc_hba *phba) | |
4384 | { | |
4385 | struct lpfc_vport **vports; | |
4386 | struct lpfc_nodelist *ndlp; | |
4387 | struct Scsi_Host *shost; | |
4388 | int i; | |
4389 | ||
4390 | vports = lpfc_create_vport_work_array(phba); | |
63e801ce JS |
4391 | if (!vports) { |
4392 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
4393 | "2884 Vport array allocation failed \n"); | |
4394 | return; | |
4395 | } | |
ecfd03c6 JS |
4396 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
4397 | shost = lpfc_shost_from_vport(vports[i]); | |
4398 | spin_lock_irq(shost->host_lock); | |
4399 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
4042629e | 4400 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
0c9ab6f5 JS |
4401 | /* The mempool_alloc might sleep */ |
4402 | spin_unlock_irq(shost->host_lock); | |
ecfd03c6 | 4403 | lpfc_unreg_rpi(vports[i], ndlp); |
0c9ab6f5 JS |
4404 | spin_lock_irq(shost->host_lock); |
4405 | } | |
ecfd03c6 JS |
4406 | } |
4407 | spin_unlock_irq(shost->host_lock); | |
4408 | } | |
4409 | lpfc_destroy_vport_work_array(phba, vports); | |
4410 | } | |
4411 | ||
92d7f7b0 JS |
4412 | void |
4413 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
4414 | { | |
4415 | struct lpfc_hba *phba = vport->phba; | |
4416 | LPFC_MBOXQ_t *mbox; | |
4417 | int rc; | |
4418 | ||
5af5eee7 JS |
4419 | if (phba->sli_rev == LPFC_SLI_REV4) { |
4420 | lpfc_sli4_unreg_all_rpis(vport); | |
4421 | return; | |
4422 | } | |
4423 | ||
92d7f7b0 JS |
4424 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4425 | if (mbox) { | |
6d368e53 JS |
4426 | lpfc_unreg_login(phba, vport->vpi, LPFC_UNREG_ALL_RPIS_VPORT, |
4427 | mbox); | |
92d7f7b0 JS |
4428 | mbox->vport = vport; |
4429 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
4430 | mbox->context1 = NULL; |
4431 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 4432 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4433 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
4434 | |
4435 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
4436 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
4437 | "1836 Could not issue " | |
4438 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
4439 | } |
4440 | } | |
4441 | ||
4442 | void | |
4443 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
4444 | { | |
4445 | struct lpfc_hba *phba = vport->phba; | |
4446 | LPFC_MBOXQ_t *mbox; | |
4447 | int rc; | |
4448 | ||
4449 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4450 | if (mbox) { | |
6d368e53 JS |
4451 | lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS, |
4452 | mbox); | |
92d7f7b0 JS |
4453 | mbox->vport = vport; |
4454 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
4455 | mbox->context1 = NULL; |
4456 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
4457 | if (rc != MBX_TIMEOUT) |
4458 | mempool_free(mbox, phba->mbox_mem_pool); | |
4459 | ||
4460 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
4461 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
4462 | "1815 Could not issue " | |
a257bf90 JS |
4463 | "unreg_did (default rpis) status %d\n", |
4464 | rc); | |
92d7f7b0 JS |
4465 | } |
4466 | } | |
4467 | ||
dea3101e | 4468 | /* |
4469 | * Free resources associated with LPFC_NODELIST entry | |
4470 | * so it can be freed. | |
4471 | */ | |
4472 | static int | |
2e0fef85 | 4473 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4474 | { |
2e0fef85 JS |
4475 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4476 | struct lpfc_hba *phba = vport->phba; | |
4477 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 4478 | struct lpfc_dmabuf *mp; |
dea3101e | 4479 | |
4480 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
4481 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4482 | "0900 Cleanup node for NPort x%x " | |
4483 | "Data: x%x x%x x%x\n", | |
4484 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4485 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
4486 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4487 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4488 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
4489 | "usgmap:x%x refcnt:%d\n", | |
4490 | (void *)ndlp, ndlp->nlp_usg_map, | |
4491 | atomic_read(&ndlp->kref.refcount)); | |
4492 | lpfc_dequeue_node(vport, ndlp); | |
4493 | } else { | |
4494 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4495 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
4496 | "usgmap:x%x refcnt:%d\n", | |
4497 | (void *)ndlp, ndlp->nlp_usg_map, | |
4498 | atomic_read(&ndlp->kref.refcount)); | |
4499 | lpfc_disable_node(vport, ndlp); | |
4500 | } | |
dea3101e | 4501 | |
dea3101e | 4502 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
4503 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 4504 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
dea3101e | 4505 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
4506 | mb->context2 = NULL; | |
4507 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4508 | } | |
4509 | } | |
33ccf8d1 | 4510 | |
2e0fef85 | 4511 | spin_lock_irq(&phba->hbalock); |
5ac6b303 JS |
4512 | /* Cleanup REG_LOGIN completions which are not yet processed */ |
4513 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
4514 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) || | |
4515 | (ndlp != (struct lpfc_nodelist *) mb->context2)) | |
4516 | continue; | |
4517 | ||
4518 | mb->context2 = NULL; | |
4519 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4520 | } | |
4521 | ||
dea3101e | 4522 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 4523 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
92d7f7b0 | 4524 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 4525 | mp = (struct lpfc_dmabuf *) (mb->context1); |
4526 | if (mp) { | |
2e0fef85 | 4527 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 4528 | kfree(mp); |
4529 | } | |
4530 | list_del(&mb->list); | |
4531 | mempool_free(mb, phba->mbox_mem_pool); | |
e47c9093 JS |
4532 | /* We shall not invoke the lpfc_nlp_put to decrement |
4533 | * the ndlp reference count as we are in the process | |
4534 | * of lpfc_nlp_release. | |
4535 | */ | |
dea3101e | 4536 | } |
4537 | } | |
2e0fef85 | 4538 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4539 | |
e47c9093 JS |
4540 | lpfc_els_abort(phba, ndlp); |
4541 | ||
2e0fef85 | 4542 | spin_lock_irq(shost->host_lock); |
c01f3208 | 4543 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 4544 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4545 | |
5024ab17 | 4546 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 4547 | del_timer_sync(&ndlp->nlp_delayfunc); |
4548 | ||
0d2b6b83 JS |
4549 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
4550 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
1151e3ec | 4551 | lpfc_cleanup_vports_rrqs(vport, ndlp); |
2e0fef85 | 4552 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 4553 | |
2fe165b6 | 4554 | return 0; |
dea3101e | 4555 | } |
4556 | ||
4557 | /* | |
4558 | * Check to see if we can free the nlp back to the freelist. | |
4559 | * If we are in the middle of using the nlp in the discovery state | |
4560 | * machine, defer the free till we reach the end of the state machine. | |
4561 | */ | |
329f9bc7 | 4562 | static void |
2e0fef85 | 4563 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4564 | { |
a8adb832 | 4565 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 4566 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
4567 | LPFC_MBOXQ_t *mbox; |
4568 | int rc; | |
dea3101e | 4569 | |
0d2b6b83 | 4570 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 | 4571 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
4042629e JS |
4572 | !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) && |
4573 | !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { | |
a8adb832 JS |
4574 | /* For this case we need to cleanup the default rpi |
4575 | * allocated by the firmware. | |
4576 | */ | |
4577 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
4578 | != NULL) { | |
21e9a0a5 | 4579 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
4042629e | 4580 | (uint8_t *) &vport->fc_sparam, mbox, ndlp->nlp_rpi); |
a8adb832 JS |
4581 | if (rc) { |
4582 | mempool_free(mbox, phba->mbox_mem_pool); | |
4583 | } | |
4584 | else { | |
4585 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
4586 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
4587 | mbox->vport = vport; | |
09372820 | 4588 | mbox->context2 = NULL; |
a8adb832 JS |
4589 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
4590 | if (rc == MBX_NOT_FINISHED) { | |
4591 | mempool_free(mbox, phba->mbox_mem_pool); | |
4592 | } | |
4593 | } | |
4594 | } | |
4595 | } | |
2e0fef85 | 4596 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 4597 | |
2e0fef85 | 4598 | /* |
92d7f7b0 JS |
4599 | * We can get here with a non-NULL ndlp->rport because when we |
4600 | * unregister a rport we don't break the rport/node linkage. So if we | |
4601 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 4602 | */ |
92d7f7b0 | 4603 | if (ndlp->rport) { |
329f9bc7 JS |
4604 | rdata = ndlp->rport->dd_data; |
4605 | rdata->pnode = NULL; | |
4606 | ndlp->rport = NULL; | |
dea3101e | 4607 | } |
dea3101e | 4608 | } |
4609 | ||
4610 | static int | |
2e0fef85 JS |
4611 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4612 | uint32_t did) | |
dea3101e | 4613 | { |
2e0fef85 | 4614 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 4615 | |
4616 | if (did == Bcast_DID) | |
2fe165b6 | 4617 | return 0; |
dea3101e | 4618 | |
dea3101e | 4619 | /* First check for Direct match */ |
4620 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 4621 | return 1; |
dea3101e | 4622 | |
4623 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 4624 | mydid.un.word = vport->fc_myDID; |
dea3101e | 4625 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 4626 | return 0; |
dea3101e | 4627 | } |
4628 | ||
4629 | matchdid.un.word = did; | |
4630 | ndlpdid.un.word = ndlp->nlp_DID; | |
4631 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
4632 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
4633 | (mydid.un.b.area == matchdid.un.b.area)) { | |
4634 | if ((ndlpdid.un.b.domain == 0) && | |
4635 | (ndlpdid.un.b.area == 0)) { | |
4636 | if (ndlpdid.un.b.id) | |
2fe165b6 | 4637 | return 1; |
dea3101e | 4638 | } |
2fe165b6 | 4639 | return 0; |
dea3101e | 4640 | } |
4641 | ||
4642 | matchdid.un.word = ndlp->nlp_DID; | |
4643 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
4644 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
4645 | if ((matchdid.un.b.domain == 0) && | |
4646 | (matchdid.un.b.area == 0)) { | |
4647 | if (matchdid.un.b.id) | |
2fe165b6 | 4648 | return 1; |
dea3101e | 4649 | } |
4650 | } | |
4651 | } | |
2fe165b6 | 4652 | return 0; |
dea3101e | 4653 | } |
4654 | ||
685f0bf7 | 4655 | /* Search for a nodelist entry */ |
2e0fef85 JS |
4656 | static struct lpfc_nodelist * |
4657 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4658 | { |
2fb9bd8b | 4659 | struct lpfc_nodelist *ndlp; |
dea3101e | 4660 | uint32_t data1; |
4661 | ||
2e0fef85 JS |
4662 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
4663 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
4664 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
4665 | ((uint32_t) ndlp->nlp_xri << 16) | | |
4666 | ((uint32_t) ndlp->nlp_type << 8) | | |
4667 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
4668 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4669 | "0929 FIND node DID " | |
4670 | "Data: x%p x%x x%x x%x\n", | |
4671 | ndlp, ndlp->nlp_DID, | |
4672 | ndlp->nlp_flag, data1); | |
685f0bf7 | 4673 | return ndlp; |
dea3101e | 4674 | } |
4675 | } | |
66a9ed66 | 4676 | |
dea3101e | 4677 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
4678 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4679 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 4680 | return NULL; |
4681 | } | |
4682 | ||
4683 | struct lpfc_nodelist * | |
2e0fef85 JS |
4684 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
4685 | { | |
4686 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4687 | struct lpfc_nodelist *ndlp; | |
fedd3b7b | 4688 | unsigned long iflags; |
2e0fef85 | 4689 | |
fedd3b7b | 4690 | spin_lock_irqsave(shost->host_lock, iflags); |
2e0fef85 | 4691 | ndlp = __lpfc_findnode_did(vport, did); |
fedd3b7b | 4692 | spin_unlock_irqrestore(shost->host_lock, iflags); |
2e0fef85 JS |
4693 | return ndlp; |
4694 | } | |
4695 | ||
4696 | struct lpfc_nodelist * | |
4697 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4698 | { |
2e0fef85 | 4699 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4700 | struct lpfc_nodelist *ndlp; |
dea3101e | 4701 | |
2e0fef85 | 4702 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 4703 | if (!ndlp) { |
2e0fef85 JS |
4704 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
4705 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 4706 | return NULL; |
4707 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 4708 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 4709 | if (!ndlp) |
4710 | return NULL; | |
2e0fef85 JS |
4711 | lpfc_nlp_init(vport, ndlp, did); |
4712 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
4713 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4714 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4715 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4716 | return ndlp; |
e47c9093 JS |
4717 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
4718 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
4719 | if (!ndlp) | |
4720 | return NULL; | |
4721 | spin_lock_irq(shost->host_lock); | |
4722 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4723 | spin_unlock_irq(shost->host_lock); | |
4724 | return ndlp; | |
dea3101e | 4725 | } |
e47c9093 | 4726 | |
58da1ffb JS |
4727 | if ((vport->fc_flag & FC_RSCN_MODE) && |
4728 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 4729 | if (lpfc_rscn_payload_check(vport, did)) { |
25985edc | 4730 | /* If we've already received a PLOGI from this NPort |
87af33fe JS |
4731 | * we don't need to try to discover it again. |
4732 | */ | |
4733 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
4734 | return NULL; | |
4735 | ||
c9f8735b JW |
4736 | /* Since this node is marked for discovery, |
4737 | * delay timeout is not needed. | |
4738 | */ | |
0d2b6b83 | 4739 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
4740 | spin_lock_irq(shost->host_lock); |
4741 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4742 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 4743 | } else |
dea3101e | 4744 | ndlp = NULL; |
2fe165b6 | 4745 | } else { |
25985edc | 4746 | /* If we've already received a PLOGI from this NPort, |
87af33fe JS |
4747 | * or we are already in the process of discovery on it, |
4748 | * we don't need to try to discover it again. | |
4749 | */ | |
685f0bf7 | 4750 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
4751 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4752 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 4753 | return NULL; |
2e0fef85 JS |
4754 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
4755 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4756 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4757 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4758 | } |
4759 | return ndlp; | |
4760 | } | |
4761 | ||
4762 | /* Build a list of nodes to discover based on the loopmap */ | |
4763 | void | |
2e0fef85 | 4764 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 4765 | { |
2e0fef85 | 4766 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4767 | int j; |
4768 | uint32_t alpa, index; | |
4769 | ||
2e0fef85 | 4770 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4771 | return; |
2e0fef85 | 4772 | |
76a95d75 | 4773 | if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) |
dea3101e | 4774 | return; |
dea3101e | 4775 | |
4776 | /* Check for loop map present or not */ | |
4777 | if (phba->alpa_map[0]) { | |
4778 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
4779 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 4780 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 4781 | continue; |
2e0fef85 | 4782 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4783 | } |
4784 | } else { | |
4785 | /* No alpamap, so try all alpa's */ | |
4786 | for (j = 0; j < FC_MAXLOOP; j++) { | |
4787 | /* If cfg_scan_down is set, start from highest | |
4788 | * ALPA (0xef) to lowest (0x1). | |
4789 | */ | |
3de2a653 | 4790 | if (vport->cfg_scan_down) |
dea3101e | 4791 | index = j; |
4792 | else | |
4793 | index = FC_MAXLOOP - j - 1; | |
4794 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 4795 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 4796 | continue; |
2e0fef85 | 4797 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4798 | } |
4799 | } | |
4800 | return; | |
4801 | } | |
4802 | ||
dea3101e | 4803 | void |
2e0fef85 | 4804 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 4805 | { |
dea3101e | 4806 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
4807 | struct lpfc_sli *psli = &phba->sli; |
4808 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
4809 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
4810 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
4811 | int rc; | |
4812 | ||
92d7f7b0 JS |
4813 | /* |
4814 | * if it's not a physical port or if we already send | |
4815 | * clear_la then don't send it. | |
4816 | */ | |
4817 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
4818 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
4819 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
4820 | return; |
4821 | ||
2e0fef85 JS |
4822 | /* Link up discovery */ |
4823 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
4824 | phba->link_state = LPFC_CLEAR_LA; | |
4825 | lpfc_clear_la(phba, mbox); | |
4826 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
4827 | mbox->vport = vport; | |
0b727fea | 4828 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
4829 | if (rc == MBX_NOT_FINISHED) { |
4830 | mempool_free(mbox, phba->mbox_mem_pool); | |
4831 | lpfc_disc_flush_list(vport); | |
4832 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4833 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4834 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
4835 | phba->link_state = LPFC_HBA_ERROR; |
4836 | } | |
4837 | } | |
4838 | } | |
4839 | ||
4840 | /* Reg_vpi to tell firmware to resume normal operations */ | |
4841 | void | |
4842 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4843 | { | |
4844 | LPFC_MBOXQ_t *regvpimbox; | |
4845 | ||
4846 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4847 | if (regvpimbox) { | |
da0436e9 | 4848 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
4849 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
4850 | regvpimbox->vport = vport; | |
0b727fea | 4851 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
4852 | == MBX_NOT_FINISHED) { |
4853 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
4854 | } |
4855 | } | |
4856 | } | |
4857 | ||
4858 | /* Start Link up / RSCN discovery on NPR nodes */ | |
4859 | void | |
4860 | lpfc_disc_start(struct lpfc_vport *vport) | |
4861 | { | |
4862 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4863 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 4864 | uint32_t num_sent; |
dea3101e | 4865 | uint32_t clear_la_pending; |
685f0bf7 | 4866 | int did_changed; |
dea3101e | 4867 | |
2e0fef85 | 4868 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4869 | return; |
2e0fef85 JS |
4870 | |
4871 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 4872 | clear_la_pending = 1; |
4873 | else | |
4874 | clear_la_pending = 0; | |
4875 | ||
2e0fef85 JS |
4876 | if (vport->port_state < LPFC_VPORT_READY) |
4877 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 4878 | |
2e0fef85 JS |
4879 | lpfc_set_disctmo(vport); |
4880 | ||
4881 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 4882 | did_changed = 0; |
2e0fef85 | 4883 | else |
dea3101e | 4884 | did_changed = 1; |
2e0fef85 JS |
4885 | |
4886 | vport->fc_prevDID = vport->fc_myDID; | |
4887 | vport->num_disc_nodes = 0; | |
dea3101e | 4888 | |
4889 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
4890 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4891 | "0202 Start Discovery hba state x%x " | |
4892 | "Data: x%x x%x x%x\n", | |
4893 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
4894 | vport->fc_adisc_cnt); | |
dea3101e | 4895 | |
4896 | /* First do ADISCs - if any */ | |
2e0fef85 | 4897 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 4898 | |
4899 | if (num_sent) | |
4900 | return; | |
4901 | ||
6d368e53 | 4902 | /* Register the VPI for SLI3, NON-NPIV only. */ |
92d7f7b0 | 4903 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
1b32f6aa | 4904 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
4905 | !(vport->fc_flag & FC_RSCN_MODE) && |
4906 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
92d7f7b0 JS |
4907 | lpfc_issue_reg_vpi(phba, vport); |
4908 | return; | |
4909 | } | |
4910 | ||
4911 | /* | |
4912 | * For SLI2, we need to set port_state to READY and continue | |
4913 | * discovery. | |
4914 | */ | |
2e0fef85 | 4915 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 4916 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 4917 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 4918 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 4919 | |
92d7f7b0 | 4920 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
4921 | vport->num_disc_nodes = 0; |
4922 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
4923 | if (vport->fc_npr_cnt) | |
4924 | lpfc_els_disc_plogi(vport); | |
4925 | ||
4926 | if (!vport->num_disc_nodes) { | |
4927 | spin_lock_irq(shost->host_lock); | |
4928 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
4929 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4930 | lpfc_can_disctmo(vport); |
dea3101e | 4931 | } |
4932 | } | |
92d7f7b0 | 4933 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4934 | } else { |
4935 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 4936 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 4937 | |
4938 | if (num_sent) | |
4939 | return; | |
4940 | ||
2e0fef85 | 4941 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 4942 | /* Check to see if more RSCNs came in while we |
4943 | * were processing this one. | |
4944 | */ | |
2e0fef85 JS |
4945 | if ((vport->fc_rscn_id_cnt == 0) && |
4946 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
4947 | spin_lock_irq(shost->host_lock); | |
4948 | vport->fc_flag &= ~FC_RSCN_MODE; | |
4949 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4950 | lpfc_can_disctmo(vport); |
2fe165b6 | 4951 | } else |
2e0fef85 | 4952 | lpfc_els_handle_rscn(vport); |
dea3101e | 4953 | } |
4954 | } | |
4955 | return; | |
4956 | } | |
4957 | ||
4958 | /* | |
4959 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
4960 | * ring the match the sppecified nodelist. | |
4961 | */ | |
4962 | static void | |
2e0fef85 | 4963 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4964 | { |
2534ba75 | 4965 | LIST_HEAD(completions); |
dea3101e | 4966 | struct lpfc_sli *psli; |
4967 | IOCB_t *icmd; | |
4968 | struct lpfc_iocbq *iocb, *next_iocb; | |
4969 | struct lpfc_sli_ring *pring; | |
dea3101e | 4970 | |
4971 | psli = &phba->sli; | |
4972 | pring = &psli->ring[LPFC_ELS_RING]; | |
4973 | ||
4974 | /* Error matching iocb on txq or txcmplq | |
4975 | * First check the txq. | |
4976 | */ | |
2e0fef85 | 4977 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4978 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
4979 | if (iocb->context1 != ndlp) { | |
4980 | continue; | |
4981 | } | |
4982 | icmd = &iocb->iocb; | |
4983 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
4984 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
4985 | ||
2534ba75 | 4986 | list_move_tail(&iocb->list, &completions); |
dea3101e | 4987 | pring->txq_cnt--; |
dea3101e | 4988 | } |
4989 | } | |
4990 | ||
4991 | /* Next check the txcmplq */ | |
4992 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
4993 | if (iocb->context1 != ndlp) { | |
4994 | continue; | |
4995 | } | |
4996 | icmd = &iocb->iocb; | |
2e0fef85 JS |
4997 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
4998 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
4999 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
5000 | } | |
5001 | } | |
2e0fef85 | 5002 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 5003 | |
a257bf90 JS |
5004 | /* Cancel all the IOCBs from the completions list */ |
5005 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
5006 | IOERR_SLI_ABORTED); | |
dea3101e | 5007 | } |
5008 | ||
a6ababd2 | 5009 | static void |
2e0fef85 | 5010 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 5011 | { |
5012 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 5013 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 5014 | |
2e0fef85 JS |
5015 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
5016 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 5017 | nlp_listp) { |
e47c9093 JS |
5018 | if (!NLP_CHK_NODE_ACT(ndlp)) |
5019 | continue; | |
685f0bf7 JS |
5020 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
5021 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
5022 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 5023 | } |
dea3101e | 5024 | } |
5025 | } | |
dea3101e | 5026 | } |
5027 | ||
92d7f7b0 JS |
5028 | void |
5029 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
5030 | { | |
5031 | lpfc_els_flush_rscn(vport); | |
5032 | lpfc_els_flush_cmd(vport); | |
5033 | lpfc_disc_flush_list(vport); | |
5034 | } | |
5035 | ||
dea3101e | 5036 | /*****************************************************************************/ |
5037 | /* | |
5038 | * NAME: lpfc_disc_timeout | |
5039 | * | |
5040 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
5041 | * | |
5042 | * EXECUTION ENVIRONMENT: interrupt only | |
5043 | * | |
5044 | * CALLED FROM: | |
5045 | * Timer function | |
5046 | * | |
5047 | * RETURNS: | |
5048 | * none | |
5049 | */ | |
5050 | /*****************************************************************************/ | |
5051 | void | |
5052 | lpfc_disc_timeout(unsigned long ptr) | |
5053 | { | |
2e0fef85 JS |
5054 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
5055 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 5056 | uint32_t tmo_posted; |
dea3101e | 5057 | unsigned long flags = 0; |
5058 | ||
5059 | if (unlikely(!phba)) | |
5060 | return; | |
5061 | ||
5e9d9b82 JS |
5062 | spin_lock_irqsave(&vport->work_port_lock, flags); |
5063 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
5064 | if (!tmo_posted) | |
2e0fef85 | 5065 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 5066 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 5067 | |
5e9d9b82 JS |
5068 | if (!tmo_posted) |
5069 | lpfc_worker_wake_up(phba); | |
dea3101e | 5070 | return; |
5071 | } | |
5072 | ||
5073 | static void | |
2e0fef85 | 5074 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 5075 | { |
2e0fef85 JS |
5076 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
5077 | struct lpfc_hba *phba = vport->phba; | |
5078 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 5079 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 5080 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 5081 | int rc, clrlaerr = 0; |
5082 | ||
2e0fef85 | 5083 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 5084 | return; |
5085 | ||
2e0fef85 JS |
5086 | spin_lock_irq(shost->host_lock); |
5087 | vport->fc_flag &= ~FC_DISC_TMO; | |
5088 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 5089 | |
858c9f6c JS |
5090 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
5091 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
5092 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
5093 | ||
2e0fef85 | 5094 | switch (vport->port_state) { |
dea3101e | 5095 | |
5096 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
5097 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
5098 | * FAN | |
5099 | */ | |
5100 | /* FAN timeout */ | |
e8b62011 JS |
5101 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
5102 | "0221 FAN timeout\n"); | |
c9f8735b | 5103 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 5104 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 5105 | nlp_listp) { |
e47c9093 JS |
5106 | if (!NLP_CHK_NODE_ACT(ndlp)) |
5107 | continue; | |
685f0bf7 JS |
5108 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
5109 | continue; | |
c9f8735b JW |
5110 | if (ndlp->nlp_type & NLP_FABRIC) { |
5111 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 5112 | lpfc_drop_node(vport, ndlp); |
87af33fe | 5113 | |
2fe165b6 | 5114 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
5115 | /* Fail outstanding IO now since device |
5116 | * is marked for PLOGI. | |
5117 | */ | |
2e0fef85 | 5118 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
5119 | } |
5120 | } | |
92d7f7b0 | 5121 | if (vport->port_state != LPFC_FLOGI) { |
76a95d75 JS |
5122 | if (phba->sli_rev <= LPFC_SLI_REV3) |
5123 | lpfc_initial_flogi(vport); | |
5124 | else | |
5125 | lpfc_issue_init_vfi(vport); | |
0ff10d46 | 5126 | return; |
92d7f7b0 | 5127 | } |
dea3101e | 5128 | break; |
5129 | ||
92d7f7b0 | 5130 | case LPFC_FDISC: |
dea3101e | 5131 | case LPFC_FLOGI: |
2e0fef85 | 5132 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 5133 | /* Initial FLOGI timeout */ |
e8b62011 JS |
5134 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5135 | "0222 Initial %s timeout\n", | |
87af33fe | 5136 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e | 5137 | |
5138 | /* Assume no Fabric and go on with discovery. | |
5139 | * Check for outstanding ELS FLOGI to abort. | |
5140 | */ | |
5141 | ||
5142 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 5143 | lpfc_disc_list_loopmap(vport); |
dea3101e | 5144 | |
5145 | /* Start discovery */ | |
2e0fef85 | 5146 | lpfc_disc_start(vport); |
dea3101e | 5147 | break; |
5148 | ||
5149 | case LPFC_FABRIC_CFG_LINK: | |
5150 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
5151 | NameServer login */ | |
e8b62011 JS |
5152 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5153 | "0223 Timeout while waiting for " | |
5154 | "NameServer login\n"); | |
dea3101e | 5155 | /* Next look for NameServer ndlp */ |
2e0fef85 | 5156 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 5157 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
5158 | lpfc_els_abort(phba, ndlp); |
5159 | ||
5160 | /* ReStart discovery */ | |
5161 | goto restart_disc; | |
dea3101e | 5162 | |
5163 | case LPFC_NS_QRY: | |
5164 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
5165 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5166 | "0224 NameServer Query timeout " | |
5167 | "Data: x%x x%x\n", | |
5168 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 5169 | |
92d7f7b0 JS |
5170 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
5171 | /* Try it one more time */ | |
5172 | vport->fc_ns_retry++; | |
5173 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
5174 | vport->fc_ns_retry, 0); | |
5175 | if (rc == 0) | |
5176 | break; | |
dea3101e | 5177 | } |
92d7f7b0 | 5178 | vport->fc_ns_retry = 0; |
dea3101e | 5179 | |
87af33fe | 5180 | restart_disc: |
92d7f7b0 JS |
5181 | /* |
5182 | * Discovery is over. | |
5183 | * set port_state to PORT_READY if SLI2. | |
5184 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
5185 | */ | |
3772a991 JS |
5186 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5187 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
5188 | lpfc_issue_reg_vpi(phba, vport); | |
6d368e53 | 5189 | else { |
3772a991 JS |
5190 | lpfc_issue_clear_la(phba, vport); |
5191 | vport->port_state = LPFC_VPORT_READY; | |
5192 | } | |
dea3101e | 5193 | } |
5194 | ||
5195 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
5196 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5197 | if (!initlinkmbox) { | |
e8b62011 JS |
5198 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5199 | "0206 Device Discovery " | |
5200 | "completion error\n"); | |
2e0fef85 | 5201 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 5202 | break; |
5203 | } | |
5204 | ||
5205 | lpfc_linkdown(phba); | |
5206 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
5207 | phba->cfg_link_speed); | |
04c68496 | 5208 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 5209 | initlinkmbox->vport = vport; |
92d7f7b0 | 5210 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 5211 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 5212 | lpfc_set_loopback_flag(phba); |
dea3101e | 5213 | if (rc == MBX_NOT_FINISHED) |
5214 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
5215 | ||
5216 | break; | |
5217 | ||
5218 | case LPFC_DISC_AUTH: | |
5219 | /* Node Authentication timeout */ | |
e8b62011 JS |
5220 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5221 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
5222 | lpfc_disc_flush_list(vport); |
5223 | ||
92d7f7b0 JS |
5224 | /* |
5225 | * set port_state to PORT_READY if SLI2. | |
5226 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
5227 | */ | |
3772a991 JS |
5228 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5229 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
5230 | lpfc_issue_reg_vpi(phba, vport); | |
5231 | else { /* NPIV Not enabled */ | |
5232 | lpfc_issue_clear_la(phba, vport); | |
5233 | vport->port_state = LPFC_VPORT_READY; | |
5234 | } | |
dea3101e | 5235 | } |
5236 | break; | |
5237 | ||
2e0fef85 JS |
5238 | case LPFC_VPORT_READY: |
5239 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
5240 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5241 | "0231 RSCN timeout Data: x%x " | |
5242 | "x%x\n", | |
5243 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 5244 | |
5245 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 5246 | lpfc_els_flush_cmd(vport); |
dea3101e | 5247 | |
2e0fef85 JS |
5248 | lpfc_els_flush_rscn(vport); |
5249 | lpfc_disc_flush_list(vport); | |
dea3101e | 5250 | } |
5251 | break; | |
2e0fef85 | 5252 | |
92d7f7b0 | 5253 | default: |
e8b62011 | 5254 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 5255 | "0273 Unexpected discovery timeout, " |
e8b62011 | 5256 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
5257 | break; |
5258 | } | |
5259 | ||
5260 | switch (phba->link_state) { | |
5261 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 5262 | /* CLEAR LA timeout */ |
e8b62011 JS |
5263 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5264 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
5265 | clrlaerr = 1; |
5266 | break; | |
5267 | ||
09372820 JS |
5268 | case LPFC_LINK_UP: |
5269 | lpfc_issue_clear_la(phba, vport); | |
5270 | /* Drop thru */ | |
2e0fef85 JS |
5271 | case LPFC_LINK_UNKNOWN: |
5272 | case LPFC_WARM_START: | |
5273 | case LPFC_INIT_START: | |
5274 | case LPFC_INIT_MBX_CMDS: | |
5275 | case LPFC_LINK_DOWN: | |
2e0fef85 | 5276 | case LPFC_HBA_ERROR: |
e8b62011 JS |
5277 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5278 | "0230 Unexpected timeout, hba link " | |
5279 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
5280 | clrlaerr = 1; |
5281 | break; | |
92d7f7b0 JS |
5282 | |
5283 | case LPFC_HBA_READY: | |
5284 | break; | |
dea3101e | 5285 | } |
5286 | ||
5287 | if (clrlaerr) { | |
2e0fef85 | 5288 | lpfc_disc_flush_list(vport); |
a4bc3379 | 5289 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 5290 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
5291 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 5292 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 5293 | } |
5294 | ||
5295 | return; | |
5296 | } | |
5297 | ||
dea3101e | 5298 | /* |
5299 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
5300 | * command upon completion. It is setup in the LPFC_MBOXQ | |
5301 | * as the completion routine when the command is | |
5302 | * handed off to the SLI layer. | |
5303 | */ | |
5304 | void | |
2e0fef85 | 5305 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 5306 | { |
04c68496 | 5307 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
5308 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
5309 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
5310 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 5311 | |
5312 | pmb->context1 = NULL; | |
d439d286 | 5313 | pmb->context2 = NULL; |
dea3101e | 5314 | |
6d368e53 JS |
5315 | if (phba->sli_rev < LPFC_SLI_REV4) |
5316 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 5317 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 5318 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 5319 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 5320 | |
2e0fef85 JS |
5321 | /* |
5322 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
5323 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
5324 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 5325 | */ |
2e0fef85 | 5326 | |
3de2a653 | 5327 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
5328 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
5329 | else | |
5330 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 5331 | |
fa4066b6 JS |
5332 | /* decrement the node reference count held for this callback |
5333 | * function. | |
5334 | */ | |
329f9bc7 | 5335 | lpfc_nlp_put(ndlp); |
dea3101e | 5336 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5337 | kfree(mp); | |
329f9bc7 | 5338 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 5339 | |
5340 | return; | |
5341 | } | |
5342 | ||
685f0bf7 JS |
5343 | static int |
5344 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
5345 | { | |
5346 | uint16_t *rpi = param; | |
5347 | ||
eff4a01b JS |
5348 | /* check for active node */ |
5349 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
5350 | return 0; | |
5351 | ||
685f0bf7 JS |
5352 | return ndlp->nlp_rpi == *rpi; |
5353 | } | |
5354 | ||
5355 | static int | |
5356 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
5357 | { | |
5358 | return memcmp(&ndlp->nlp_portname, param, | |
5359 | sizeof(ndlp->nlp_portname)) == 0; | |
5360 | } | |
5361 | ||
a6ababd2 | 5362 | static struct lpfc_nodelist * |
2e0fef85 | 5363 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 5364 | { |
21568f53 | 5365 | struct lpfc_nodelist *ndlp; |
dea3101e | 5366 | |
2e0fef85 | 5367 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
87af33fe | 5368 | if (filter(ndlp, param)) |
685f0bf7 JS |
5369 | return ndlp; |
5370 | } | |
21568f53 | 5371 | return NULL; |
dea3101e | 5372 | } |
5373 | ||
685f0bf7 JS |
5374 | /* |
5375 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 5376 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
5377 | */ |
5378 | struct lpfc_nodelist * | |
2e0fef85 | 5379 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 5380 | { |
2e0fef85 | 5381 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
5382 | } |
5383 | ||
488d1469 | 5384 | /* |
685f0bf7 | 5385 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 5386 | * returns the node element list pointer else return NULL. |
488d1469 JS |
5387 | */ |
5388 | struct lpfc_nodelist * | |
2e0fef85 | 5389 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 5390 | { |
2e0fef85 | 5391 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 5392 | struct lpfc_nodelist *ndlp; |
488d1469 | 5393 | |
2e0fef85 JS |
5394 | spin_lock_irq(shost->host_lock); |
5395 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
5396 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 5397 | return ndlp; |
488d1469 JS |
5398 | } |
5399 | ||
cb69f7de JS |
5400 | /* |
5401 | * This routine looks up the ndlp lists for the given RPI. If the rpi | |
5402 | * is found, the routine returns the node element list pointer else | |
5403 | * return NULL. | |
5404 | */ | |
5405 | struct lpfc_nodelist * | |
5406 | lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) | |
5407 | { | |
5408 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
5409 | struct lpfc_nodelist *ndlp; | |
5410 | ||
5411 | spin_lock_irq(shost->host_lock); | |
5412 | ndlp = __lpfc_findnode_rpi(vport, rpi); | |
5413 | spin_unlock_irq(shost->host_lock); | |
5414 | return ndlp; | |
5415 | } | |
5416 | ||
5417 | /** | |
5418 | * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier | |
5419 | * @phba: pointer to lpfc hba data structure. | |
5420 | * @vpi: the physical host virtual N_Port identifier. | |
5421 | * | |
5422 | * This routine finds a vport on a HBA (referred by @phba) through a | |
5423 | * @vpi. The function walks the HBA's vport list and returns the address | |
5424 | * of the vport with the matching @vpi. | |
5425 | * | |
5426 | * Return code | |
5427 | * NULL - No vport with the matching @vpi found | |
5428 | * Otherwise - Address to the vport with the matching @vpi. | |
5429 | **/ | |
5430 | struct lpfc_vport * | |
5431 | lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) | |
5432 | { | |
5433 | struct lpfc_vport *vport; | |
5434 | unsigned long flags; | |
5435 | int i = 0; | |
5436 | ||
5437 | /* The physical ports are always vpi 0 - translate is unnecessary. */ | |
5438 | if (vpi > 0) { | |
5439 | /* | |
5440 | * Translate the physical vpi to the logical vpi. The | |
5441 | * vport stores the logical vpi. | |
5442 | */ | |
5443 | for (i = 0; i < phba->max_vpi; i++) { | |
5444 | if (vpi == phba->vpi_ids[i]) | |
5445 | break; | |
5446 | } | |
5447 | ||
5448 | if (i >= phba->max_vpi) { | |
5449 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
5450 | "2936 Could not find Vport mapped " | |
5451 | "to vpi %d\n", vpi); | |
5452 | return NULL; | |
5453 | } | |
5454 | } | |
5455 | ||
5456 | spin_lock_irqsave(&phba->hbalock, flags); | |
5457 | list_for_each_entry(vport, &phba->port_list, listentry) { | |
5458 | if (vport->vpi == i) { | |
5459 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
5460 | return vport; | |
5461 | } | |
5462 | } | |
5463 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
5464 | return NULL; | |
5465 | } | |
5466 | ||
dea3101e | 5467 | void |
2e0fef85 JS |
5468 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
5469 | uint32_t did) | |
dea3101e | 5470 | { |
5471 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
5472 | |
5473 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 5474 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
5475 | |
5476 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
5477 | "node init: did:x%x", | |
5478 | ndlp->nlp_DID, 0, 0); | |
5479 | ||
dea3101e | 5480 | return; |
5481 | } | |
329f9bc7 | 5482 | |
98c9ea5c JS |
5483 | /* This routine releases all resources associated with a specifc NPort's ndlp |
5484 | * and mempool_free's the nodelist. | |
5485 | */ | |
311464ec | 5486 | static void |
329f9bc7 JS |
5487 | lpfc_nlp_release(struct kref *kref) |
5488 | { | |
e47c9093 JS |
5489 | struct lpfc_hba *phba; |
5490 | unsigned long flags; | |
329f9bc7 JS |
5491 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
5492 | kref); | |
858c9f6c JS |
5493 | |
5494 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5495 | "node release: did:x%x flg:x%x type:x%x", | |
5496 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
5497 | ||
e47c9093 | 5498 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
939723a4 | 5499 | "0279 lpfc_nlp_release: ndlp:x%p did %x " |
e47c9093 | 5500 | "usgmap:x%x refcnt:%d\n", |
939723a4 | 5501 | (void *)ndlp, ndlp->nlp_DID, ndlp->nlp_usg_map, |
e47c9093 JS |
5502 | atomic_read(&ndlp->kref.refcount)); |
5503 | ||
5504 | /* remove ndlp from action. */ | |
2e0fef85 | 5505 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
5506 | |
5507 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 5508 | phba = ndlp->phba; |
e47c9093 JS |
5509 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5510 | NLP_CLR_NODE_ACT(ndlp); | |
5511 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4042629e JS |
5512 | if (phba->sli_rev == LPFC_SLI_REV4) |
5513 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); | |
e47c9093 JS |
5514 | |
5515 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
5516 | if (NLP_CHK_FREE_REQ(ndlp)) { |
5517 | kfree(ndlp->lat_data); | |
a257bf90 | 5518 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 5519 | } |
329f9bc7 JS |
5520 | } |
5521 | ||
98c9ea5c JS |
5522 | /* This routine bumps the reference count for a ndlp structure to ensure |
5523 | * that one discovery thread won't free a ndlp while another discovery thread | |
5524 | * is using it. | |
5525 | */ | |
329f9bc7 JS |
5526 | struct lpfc_nodelist * |
5527 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
5528 | { | |
e47c9093 JS |
5529 | struct lpfc_hba *phba; |
5530 | unsigned long flags; | |
5531 | ||
98c9ea5c JS |
5532 | if (ndlp) { |
5533 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5534 | "node get: did:x%x flg:x%x refcnt:x%x", | |
5535 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5536 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5537 | /* The check of ndlp usage to prevent incrementing the |
5538 | * ndlp reference count that is in the process of being | |
5539 | * released. | |
5540 | */ | |
a257bf90 | 5541 | phba = ndlp->phba; |
e47c9093 JS |
5542 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5543 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
5544 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5545 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5546 | "0276 lpfc_nlp_get: ndlp:x%p " | |
5547 | "usgmap:x%x refcnt:%d\n", | |
5548 | (void *)ndlp, ndlp->nlp_usg_map, | |
5549 | atomic_read(&ndlp->kref.refcount)); | |
5550 | return NULL; | |
5551 | } else | |
5552 | kref_get(&ndlp->kref); | |
5553 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 5554 | } |
329f9bc7 JS |
5555 | return ndlp; |
5556 | } | |
5557 | ||
98c9ea5c | 5558 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
5559 | * count goes to 0, this indicates the the associated nodelist should be |
5560 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
5561 | * other hand, returning 0 indicates the ndlp resource has not been released | |
5562 | * yet. | |
98c9ea5c | 5563 | */ |
329f9bc7 JS |
5564 | int |
5565 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
5566 | { | |
e47c9093 JS |
5567 | struct lpfc_hba *phba; |
5568 | unsigned long flags; | |
5569 | ||
5570 | if (!ndlp) | |
5571 | return 1; | |
5572 | ||
5573 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5574 | "node put: did:x%x flg:x%x refcnt:x%x", | |
5575 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5576 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 5577 | phba = ndlp->phba; |
e47c9093 JS |
5578 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5579 | /* Check the ndlp memory free acknowledge flag to avoid the | |
5580 | * possible race condition that kref_put got invoked again | |
5581 | * after previous one has done ndlp memory free. | |
5582 | */ | |
5583 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
5584 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5585 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5586 | "0274 lpfc_nlp_put: ndlp:x%p " | |
5587 | "usgmap:x%x refcnt:%d\n", | |
5588 | (void *)ndlp, ndlp->nlp_usg_map, | |
5589 | atomic_read(&ndlp->kref.refcount)); | |
5590 | return 1; | |
5591 | } | |
5592 | /* Check the ndlp inactivate log flag to avoid the possible | |
5593 | * race condition that kref_put got invoked again after ndlp | |
5594 | * is already in inactivating state. | |
5595 | */ | |
5596 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
5597 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5598 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5599 | "0275 lpfc_nlp_put: ndlp:x%p " | |
5600 | "usgmap:x%x refcnt:%d\n", | |
5601 | (void *)ndlp, ndlp->nlp_usg_map, | |
5602 | atomic_read(&ndlp->kref.refcount)); | |
5603 | return 1; | |
98c9ea5c | 5604 | } |
e47c9093 JS |
5605 | /* For last put, mark the ndlp usage flags to make sure no |
5606 | * other kref_get and kref_put on the same ndlp shall get | |
5607 | * in between the process when the final kref_put has been | |
5608 | * invoked on this ndlp. | |
5609 | */ | |
5610 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
5611 | /* Indicate ndlp is put to inactive state. */ | |
5612 | NLP_SET_IACT_REQ(ndlp); | |
5613 | /* Acknowledge ndlp memory free has been seen. */ | |
5614 | if (NLP_CHK_FREE_REQ(ndlp)) | |
5615 | NLP_SET_FREE_ACK(ndlp); | |
5616 | } | |
5617 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5618 | /* Note, the kref_put returns 1 when decrementing a reference | |
5619 | * count that was 1, it invokes the release callback function, | |
5620 | * but it still left the reference count as 1 (not actually | |
5621 | * performs the last decrementation). Otherwise, it actually | |
5622 | * decrements the reference count and returns 0. | |
5623 | */ | |
5624 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 5625 | } |
98c9ea5c JS |
5626 | |
5627 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
5628 | * by any other discovery thread. This routine returns 1 if the |
5629 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
5630 | * not yet been released. | |
98c9ea5c JS |
5631 | */ |
5632 | int | |
5633 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
5634 | { | |
5635 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5636 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
5637 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5638 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5639 | if (atomic_read(&ndlp->kref.refcount) == 1) |
5640 | if (lpfc_nlp_put(ndlp)) | |
5641 | return 1; | |
98c9ea5c JS |
5642 | return 0; |
5643 | } | |
6fb120a7 JS |
5644 | |
5645 | /** | |
5646 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
5647 | * @phba: Pointer to hba context object. | |
5648 | * | |
5649 | * This function iterate through all FC nodes associated | |
5650 | * will all vports to check if there is any node with | |
5651 | * fc_rports associated with it. If there is an fc_rport | |
5652 | * associated with the node, then the node is either in | |
5653 | * discovered state or its devloss_timer is pending. | |
5654 | */ | |
5655 | static int | |
5656 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
5657 | { | |
5658 | struct lpfc_vport **vports; | |
5659 | int i, ret = 0; | |
5660 | struct lpfc_nodelist *ndlp; | |
5661 | struct Scsi_Host *shost; | |
5662 | ||
5663 | vports = lpfc_create_vport_work_array(phba); | |
5664 | ||
63e801ce JS |
5665 | /* If driver cannot allocate memory, indicate fcf is in use */ |
5666 | if (!vports) | |
5667 | return 1; | |
5668 | ||
6fb120a7 JS |
5669 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
5670 | shost = lpfc_shost_from_vport(vports[i]); | |
5671 | spin_lock_irq(shost->host_lock); | |
0558056c JS |
5672 | /* |
5673 | * IF the CVL_RCVD bit is not set then we have sent the | |
5674 | * flogi. | |
5675 | * If dev_loss fires while we are waiting we do not want to | |
5676 | * unreg the fcf. | |
5677 | */ | |
5678 | if (!(vports[i]->fc_flag & FC_VPORT_CVL_RCVD)) { | |
5679 | spin_unlock_irq(shost->host_lock); | |
5680 | ret = 1; | |
5681 | goto out; | |
5682 | } | |
6fb120a7 JS |
5683 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { |
5684 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
5685 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
5686 | ret = 1; | |
5687 | spin_unlock_irq(shost->host_lock); | |
5688 | goto out; | |
80c17849 JS |
5689 | } else if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
5690 | ret = 1; | |
891478a2 | 5691 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
80c17849 JS |
5692 | "2624 RPI %x DID %x flag %x " |
5693 | "still logged in\n", | |
5694 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
5695 | ndlp->nlp_flag); | |
6fb120a7 JS |
5696 | } |
5697 | } | |
5698 | spin_unlock_irq(shost->host_lock); | |
5699 | } | |
5700 | out: | |
5701 | lpfc_destroy_vport_work_array(phba, vports); | |
5702 | return ret; | |
5703 | } | |
5704 | ||
5705 | /** | |
5706 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
5707 | * @phba: Pointer to hba context object. | |
5708 | * @mboxq: Pointer to mailbox object. | |
5709 | * | |
5710 | * This function frees memory associated with the mailbox command. | |
5711 | */ | |
1b51197d | 5712 | void |
6fb120a7 JS |
5713 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
5714 | { | |
5715 | struct lpfc_vport *vport = mboxq->vport; | |
38b92ef8 | 5716 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
5717 | |
5718 | if (mboxq->u.mb.mbxStatus) { | |
5719 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5720 | "2555 UNREG_VFI mbxStatus error x%x " | |
5721 | "HBA state x%x\n", | |
5722 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5723 | } | |
38b92ef8 JS |
5724 | spin_lock_irq(shost->host_lock); |
5725 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; | |
5726 | spin_unlock_irq(shost->host_lock); | |
6fb120a7 JS |
5727 | mempool_free(mboxq, phba->mbox_mem_pool); |
5728 | return; | |
5729 | } | |
5730 | ||
5731 | /** | |
5732 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
5733 | * @phba: Pointer to hba context object. | |
5734 | * @mboxq: Pointer to mailbox object. | |
5735 | * | |
5736 | * This function frees memory associated with the mailbox command. | |
5737 | */ | |
5738 | static void | |
5739 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
5740 | { | |
5741 | struct lpfc_vport *vport = mboxq->vport; | |
5742 | ||
5743 | if (mboxq->u.mb.mbxStatus) { | |
5744 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5745 | "2550 UNREG_FCFI mbxStatus error x%x " | |
5746 | "HBA state x%x\n", | |
5747 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5748 | } | |
5749 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5750 | return; | |
5751 | } | |
5752 | ||
5753 | /** | |
ecfd03c6 | 5754 | * lpfc_unregister_fcf_prep - Unregister fcf record preparation |
6fb120a7 JS |
5755 | * @phba: Pointer to hba context object. |
5756 | * | |
ecfd03c6 JS |
5757 | * This function prepare the HBA for unregistering the currently registered |
5758 | * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and | |
5759 | * VFIs. | |
6fb120a7 | 5760 | */ |
ecfd03c6 JS |
5761 | int |
5762 | lpfc_unregister_fcf_prep(struct lpfc_hba *phba) | |
6fb120a7 | 5763 | { |
6fb120a7 | 5764 | struct lpfc_vport **vports; |
695a814e | 5765 | struct lpfc_nodelist *ndlp; |
72100cc4 | 5766 | struct Scsi_Host *shost; |
ecfd03c6 | 5767 | int i, rc; |
6fb120a7 | 5768 | |
ecfd03c6 | 5769 | /* Unregister RPIs */ |
6fb120a7 | 5770 | if (lpfc_fcf_inuse(phba)) |
ecfd03c6 | 5771 | lpfc_unreg_hba_rpis(phba); |
6fb120a7 | 5772 | |
4d9ab994 JS |
5773 | /* At this point, all discovery is aborted */ |
5774 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
5775 | |
5776 | /* Unregister VPIs */ | |
5777 | vports = lpfc_create_vport_work_array(phba); | |
ecfd03c6 | 5778 | if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) |
6fb120a7 | 5779 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
695a814e JS |
5780 | /* Stop FLOGI/FDISC retries */ |
5781 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
5782 | if (ndlp) | |
5783 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
78730cfe | 5784 | lpfc_cleanup_pending_mbox(vports[i]); |
5af5eee7 JS |
5785 | if (phba->sli_rev == LPFC_SLI_REV4) |
5786 | lpfc_sli4_unreg_all_rpis(vports[i]); | |
6fb120a7 | 5787 | lpfc_mbx_unreg_vpi(vports[i]); |
72100cc4 JS |
5788 | shost = lpfc_shost_from_vport(vports[i]); |
5789 | spin_lock_irq(shost->host_lock); | |
891478a2 | 5790 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 5791 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
72100cc4 | 5792 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
5793 | } |
5794 | lpfc_destroy_vport_work_array(phba, vports); | |
5795 | ||
695a814e JS |
5796 | /* Cleanup any outstanding ELS commands */ |
5797 | lpfc_els_flush_all_cmd(phba); | |
5798 | ||
1b51197d JS |
5799 | /* Unregister the physical port VFI */ |
5800 | rc = lpfc_issue_unreg_vfi(phba->pport); | |
5801 | return rc; | |
ecfd03c6 JS |
5802 | } |
5803 | ||
5804 | /** | |
5805 | * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record | |
5806 | * @phba: Pointer to hba context object. | |
5807 | * | |
5808 | * This function issues synchronous unregister FCF mailbox command to HBA to | |
5809 | * unregister the currently registered FCF record. The driver does not reset | |
5810 | * the driver FCF usage state flags. | |
5811 | * | |
5812 | * Return 0 if successfully issued, none-zero otherwise. | |
5813 | */ | |
5814 | int | |
5815 | lpfc_sli4_unregister_fcf(struct lpfc_hba *phba) | |
5816 | { | |
5817 | LPFC_MBOXQ_t *mbox; | |
5818 | int rc; | |
5819 | ||
6fb120a7 JS |
5820 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5821 | if (!mbox) { | |
5822 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5823 | "2551 UNREG_FCFI mbox allocation failed" |
5824 | "HBA state x%x\n", phba->pport->port_state); | |
5825 | return -ENOMEM; | |
6fb120a7 | 5826 | } |
6fb120a7 JS |
5827 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); |
5828 | mbox->vport = phba->pport; | |
5829 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
5830 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5831 | ||
5832 | if (rc == MBX_NOT_FINISHED) { | |
ecfd03c6 JS |
5833 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5834 | "2552 Unregister FCFI command failed rc x%x " | |
5835 | "HBA state x%x\n", | |
5836 | rc, phba->pport->port_state); | |
5837 | return -EINVAL; | |
5838 | } | |
5839 | return 0; | |
5840 | } | |
5841 | ||
5842 | /** | |
5843 | * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan | |
5844 | * @phba: Pointer to hba context object. | |
5845 | * | |
5846 | * This function unregisters the currently reigstered FCF. This function | |
5847 | * also tries to find another FCF for discovery by rescan the HBA FCF table. | |
5848 | */ | |
5849 | void | |
5850 | lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) | |
5851 | { | |
5852 | int rc; | |
5853 | ||
5854 | /* Preparation for unregistering fcf */ | |
5855 | rc = lpfc_unregister_fcf_prep(phba); | |
5856 | if (rc) { | |
5857 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5858 | "2748 Failed to prepare for unregistering " | |
5859 | "HBA's FCF record: rc=%d\n", rc); | |
6fb120a7 JS |
5860 | return; |
5861 | } | |
5862 | ||
ecfd03c6 JS |
5863 | /* Now, unregister FCF record and reset HBA FCF state */ |
5864 | rc = lpfc_sli4_unregister_fcf(phba); | |
5865 | if (rc) | |
5866 | return; | |
5867 | /* Reset HBA FCF states after successful unregister FCF */ | |
5868 | phba->fcf.fcf_flag = 0; | |
fc2b989b | 5869 | phba->fcf.current_rec.flag = 0; |
6fb120a7 JS |
5870 | |
5871 | /* | |
5872 | * If driver is not unloading, check if there is any other | |
5873 | * FCF record that can be used for discovery. | |
5874 | */ | |
5875 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
ecfd03c6 | 5876 | (phba->link_state < LPFC_LINK_UP)) |
6fb120a7 JS |
5877 | return; |
5878 | ||
0c9ab6f5 JS |
5879 | /* This is considered as the initial FCF discovery scan */ |
5880 | spin_lock_irq(&phba->hbalock); | |
5881 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
5882 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 JS |
5883 | |
5884 | /* Reset FCF roundrobin bmask for new discovery */ | |
7d791df7 | 5885 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
38b92ef8 | 5886 | |
0c9ab6f5 | 5887 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
6fb120a7 | 5888 | |
0c9ab6f5 JS |
5889 | if (rc) { |
5890 | spin_lock_irq(&phba->hbalock); | |
5891 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
5892 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 5893 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, |
ecfd03c6 JS |
5894 | "2553 lpfc_unregister_unused_fcf failed " |
5895 | "to read FCF record HBA state x%x\n", | |
5896 | phba->pport->port_state); | |
0c9ab6f5 | 5897 | } |
ecfd03c6 JS |
5898 | } |
5899 | ||
5900 | /** | |
5901 | * lpfc_unregister_fcf - Unregister the currently registered fcf record | |
5902 | * @phba: Pointer to hba context object. | |
5903 | * | |
5904 | * This function just unregisters the currently reigstered FCF. It does not | |
5905 | * try to find another FCF for discovery. | |
5906 | */ | |
5907 | void | |
5908 | lpfc_unregister_fcf(struct lpfc_hba *phba) | |
5909 | { | |
5910 | int rc; | |
5911 | ||
5912 | /* Preparation for unregistering fcf */ | |
5913 | rc = lpfc_unregister_fcf_prep(phba); | |
5914 | if (rc) { | |
5915 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5916 | "2749 Failed to prepare for unregistering " | |
5917 | "HBA's FCF record: rc=%d\n", rc); | |
5918 | return; | |
5919 | } | |
5920 | ||
5921 | /* Now, unregister FCF record and reset HBA FCF state */ | |
5922 | rc = lpfc_sli4_unregister_fcf(phba); | |
5923 | if (rc) | |
5924 | return; | |
5925 | /* Set proper HBA FCF states after successful unregister FCF */ | |
5926 | spin_lock_irq(&phba->hbalock); | |
5927 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
5928 | spin_unlock_irq(&phba->hbalock); | |
5929 | } | |
5930 | ||
5931 | /** | |
5932 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
5933 | * @phba: Pointer to hba context object. | |
5934 | * | |
5935 | * This function check if there are any connected remote port for the FCF and | |
5936 | * if all the devices are disconnected, this function unregister FCFI. | |
5937 | * This function also tries to use another FCF for discovery. | |
5938 | */ | |
5939 | void | |
5940 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
5941 | { | |
5942 | /* | |
3804dc84 JS |
5943 | * If HBA is not running in FIP mode, if HBA does not support |
5944 | * FCoE, if FCF discovery is ongoing, or if FCF has not been | |
5945 | * registered, do nothing. | |
ecfd03c6 JS |
5946 | */ |
5947 | spin_lock_irq(&phba->hbalock); | |
76a95d75 | 5948 | if (!(phba->hba_flag & HBA_FCOE_MODE) || |
ecfd03c6 | 5949 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || |
dbb6b3ab | 5950 | !(phba->hba_flag & HBA_FIP_SUPPORT) || |
3804dc84 | 5951 | (phba->fcf.fcf_flag & FCF_DISCOVERY) || |
dbb6b3ab | 5952 | (phba->pport->port_state == LPFC_FLOGI)) { |
ecfd03c6 JS |
5953 | spin_unlock_irq(&phba->hbalock); |
5954 | return; | |
5955 | } | |
5956 | spin_unlock_irq(&phba->hbalock); | |
5957 | ||
5958 | if (lpfc_fcf_inuse(phba)) | |
5959 | return; | |
5960 | ||
5961 | lpfc_unregister_fcf_rescan(phba); | |
6fb120a7 JS |
5962 | } |
5963 | ||
5964 | /** | |
5965 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
5966 | * @phba: Pointer to hba context object. | |
5967 | * @buff: Buffer containing the FCF connection table as in the config | |
5968 | * region. | |
5969 | * This function create driver data structure for the FCF connection | |
5970 | * record table read from config region 23. | |
5971 | */ | |
5972 | static void | |
5973 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
5974 | uint8_t *buff) | |
5975 | { | |
5976 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5977 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
5978 | struct lpfc_fcf_conn_rec *conn_rec; | |
5979 | uint32_t record_count; | |
5980 | int i; | |
5981 | ||
5982 | /* Free the current connect table */ | |
5983 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5984 | &phba->fcf_conn_rec_list, list) { |
5985 | list_del_init(&conn_entry->list); | |
6fb120a7 | 5986 | kfree(conn_entry); |
4d9ab994 | 5987 | } |
6fb120a7 JS |
5988 | |
5989 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
5990 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
5991 | sizeof(struct lpfc_fcf_conn_rec); | |
5992 | ||
5993 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
5994 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
5995 | ||
5996 | for (i = 0; i < record_count; i++) { | |
5997 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
5998 | continue; | |
5999 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
6000 | GFP_KERNEL); | |
6001 | if (!conn_entry) { | |
6002 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6003 | "2566 Failed to allocate connection" | |
6004 | " table entry\n"); | |
6005 | return; | |
6006 | } | |
6007 | ||
6008 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
6009 | sizeof(struct lpfc_fcf_conn_rec)); | |
6010 | conn_entry->conn_rec.vlan_tag = | |
6011 | le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF; | |
6012 | conn_entry->conn_rec.flags = | |
6013 | le16_to_cpu(conn_entry->conn_rec.flags); | |
6014 | list_add_tail(&conn_entry->list, | |
6015 | &phba->fcf_conn_rec_list); | |
6016 | } | |
6017 | } | |
6018 | ||
6019 | /** | |
6020 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
6021 | * @phba: Pointer to hba context object. | |
6022 | * @buff: Buffer containing the FCoE parameter data structure. | |
6023 | * | |
6024 | * This function update driver data structure with config | |
6025 | * parameters read from config region 23. | |
6026 | */ | |
6027 | static void | |
6028 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
6029 | uint8_t *buff) | |
6030 | { | |
6031 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
6032 | struct lpfc_fcoe_params *fcoe_param; | |
6033 | ||
6034 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
6035 | buff; | |
6036 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 6037 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
6038 | |
6039 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
6040 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
6041 | return; | |
6042 | ||
6fb120a7 JS |
6043 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
6044 | phba->valid_vlan = 1; | |
6045 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
6046 | 0xFFF; | |
6047 | } | |
6048 | ||
6049 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
6050 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
6051 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
6052 | return; | |
6053 | } | |
6054 | ||
6055 | /** | |
6056 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
6057 | * @buff: Buffer containing config region 23 data. | |
6058 | * @size: Size of the data buffer. | |
6059 | * @rec_type: Record type to be searched. | |
6060 | * | |
25985edc | 6061 | * This function searches config region data to find the beginning |
6fb120a7 JS |
6062 | * of the record specified by record_type. If record found, this |
6063 | * function return pointer to the record else return NULL. | |
6064 | */ | |
6065 | static uint8_t * | |
6066 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
6067 | { | |
6068 | uint32_t offset = 0, rec_length; | |
6069 | ||
6070 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
6071 | (size < sizeof(uint32_t))) | |
6072 | return NULL; | |
6073 | ||
6074 | rec_length = buff[offset + 1]; | |
6075 | ||
6076 | /* | |
6077 | * One TLV record has one word header and number of data words | |
6078 | * specified in the rec_length field of the record header. | |
6079 | */ | |
6080 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
6081 | <= size) { | |
6082 | if (buff[offset] == rec_type) | |
6083 | return &buff[offset]; | |
6084 | ||
6085 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
6086 | return NULL; | |
6087 | ||
6088 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
6089 | rec_length = buff[offset + 1]; | |
6090 | } | |
6091 | return NULL; | |
6092 | } | |
6093 | ||
6094 | /** | |
6095 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
6096 | * @phba: Pointer to lpfc_hba data structure. | |
6097 | * @buff: Buffer containing config region 23 data. | |
6098 | * @size: Size of the data buffer. | |
6099 | * | |
eef35c2d | 6100 | * This function parses the FCoE config parameters in config region 23 and |
6fb120a7 JS |
6101 | * populate driver data structure with the parameters. |
6102 | */ | |
6103 | void | |
6104 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
6105 | uint8_t *buff, | |
6106 | uint32_t size) | |
6107 | { | |
6108 | uint32_t offset = 0, rec_length; | |
6109 | uint8_t *rec_ptr; | |
6110 | ||
6111 | /* | |
6112 | * If data size is less than 2 words signature and version cannot be | |
6113 | * verified. | |
6114 | */ | |
6115 | if (size < 2*sizeof(uint32_t)) | |
6116 | return; | |
6117 | ||
6118 | /* Check the region signature first */ | |
6119 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
6120 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6121 | "2567 Config region 23 has bad signature\n"); | |
6122 | return; | |
6123 | } | |
6124 | ||
6125 | offset += 4; | |
6126 | ||
6127 | /* Check the data structure version */ | |
6128 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
6129 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6130 | "2568 Config region 23 has bad version\n"); | |
6131 | return; | |
6132 | } | |
6133 | offset += 4; | |
6134 | ||
6135 | rec_length = buff[offset + 1]; | |
6136 | ||
6137 | /* Read FCoE param record */ | |
6138 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
6139 | size - offset, FCOE_PARAM_TYPE); | |
6140 | if (rec_ptr) | |
6141 | lpfc_read_fcoe_param(phba, rec_ptr); | |
6142 | ||
6143 | /* Read FCF connection table */ | |
6144 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
6145 | size - offset, FCOE_CONN_TBL_TYPE); | |
6146 | if (rec_ptr) | |
6147 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
6148 | ||
6149 | } |