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