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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
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) { | |
610 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) | |
611 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
612 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
613 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
614 | if (phba->hba_flag & ASYNC_EVENT) | |
615 | lpfc_sli4_async_event_proc(phba); | |
616 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
617 | spin_lock_irq(&phba->hbalock); | |
618 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
619 | spin_unlock_irq(&phba->hbalock); | |
620 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
621 | } | |
ecfd03c6 JS |
622 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) |
623 | lpfc_sli4_fcf_redisc_event_proc(phba); | |
da0436e9 JS |
624 | } |
625 | ||
549e55cd JS |
626 | vports = lpfc_create_vport_work_array(phba); |
627 | if (vports != NULL) | |
da0436e9 | 628 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
629 | /* |
630 | * We could have no vports in array if unloading, so if | |
631 | * this happens then just use the pport | |
632 | */ | |
633 | if (vports[i] == NULL && i == 0) | |
634 | vport = phba->pport; | |
635 | else | |
636 | vport = vports[i]; | |
637 | if (vport == NULL) | |
638 | break; | |
58da1ffb | 639 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 640 | work_port_events = vport->work_port_events; |
58da1ffb JS |
641 | vport->work_port_events &= ~work_port_events; |
642 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 643 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 644 | lpfc_disc_timeout_handler(vport); |
549e55cd | 645 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 646 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
647 | if (work_port_events & WORKER_HB_TMO) |
648 | lpfc_hb_timeout_handler(phba); | |
649 | if (work_port_events & WORKER_MBOX_TMO) | |
650 | lpfc_mbox_timeout_handler(phba); | |
651 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
652 | lpfc_unblock_fabric_iocbs(phba); | |
653 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 654 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
655 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
656 | lpfc_ramp_down_queue_handler(phba); | |
657 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
658 | lpfc_ramp_up_queue_handler(phba); | |
92d7f7b0 | 659 | } |
09372820 | 660 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 661 | |
858c9f6c JS |
662 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
663 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
664 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
665 | if ((status & HA_RXMASK) || |
666 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 667 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 668 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 669 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
670 | /* Set the lpfc data pending flag */ |
671 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 672 | } else { |
58da1ffb | 673 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
858c9f6c JS |
674 | lpfc_sli_handle_slow_ring_event(phba, pring, |
675 | (status & | |
676 | HA_RXMASK)); | |
858c9f6c | 677 | } |
bc73905a | 678 | if ((phba->sli_rev == LPFC_SLI_REV4) && pring->txq_cnt) |
2a9bf3d0 | 679 | lpfc_drain_txq(phba); |
858c9f6c JS |
680 | /* |
681 | * Turn on Ring interrupts | |
682 | */ | |
3772a991 JS |
683 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
684 | spin_lock_irq(&phba->hbalock); | |
685 | control = readl(phba->HCregaddr); | |
686 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
687 | lpfc_debugfs_slow_ring_trc(phba, | |
688 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
689 | control, ha_copy, 0); | |
690 | ||
691 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
692 | writel(control, phba->HCregaddr); | |
693 | readl(phba->HCregaddr); /* flush */ | |
694 | } else { | |
695 | lpfc_debugfs_slow_ring_trc(phba, | |
696 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
697 | control, ha_copy, 0); | |
698 | } | |
699 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 700 | } |
dea3101e | 701 | } |
2e0fef85 | 702 | lpfc_work_list_done(phba); |
dea3101e | 703 | } |
704 | ||
dea3101e | 705 | int |
706 | lpfc_do_work(void *p) | |
707 | { | |
708 | struct lpfc_hba *phba = p; | |
709 | int rc; | |
dea3101e | 710 | |
711 | set_user_nice(current, -20); | |
5e9d9b82 | 712 | phba->data_flags = 0; |
dea3101e | 713 | |
3a55b532 | 714 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
715 | /* wait and check worker queue activities */ |
716 | rc = wait_event_interruptible(phba->work_waitq, | |
717 | (test_and_clear_bit(LPFC_DATA_READY, | |
718 | &phba->data_flags) | |
719 | || kthread_should_stop())); | |
3a55b532 JS |
720 | /* Signal wakeup shall terminate the worker thread */ |
721 | if (rc) { | |
722 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
723 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 724 | break; |
3a55b532 | 725 | } |
dea3101e | 726 | |
5e9d9b82 | 727 | /* Attend pending lpfc data processing */ |
dea3101e | 728 | lpfc_work_done(phba); |
dea3101e | 729 | } |
3a55b532 JS |
730 | phba->worker_thread = NULL; |
731 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
732 | "0432 Worker thread stopped.\n"); | |
dea3101e | 733 | return 0; |
734 | } | |
735 | ||
736 | /* | |
737 | * This is only called to handle FC worker events. Since this a rare | |
738 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
739 | * embedding it in the IOCB. | |
740 | */ | |
741 | int | |
2e0fef85 | 742 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 743 | uint32_t evt) |
744 | { | |
745 | struct lpfc_work_evt *evtp; | |
ed957684 | 746 | unsigned long flags; |
dea3101e | 747 | |
748 | /* | |
749 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
750 | * be queued to worker thread for processing | |
751 | */ | |
92d7f7b0 | 752 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 753 | if (!evtp) |
754 | return 0; | |
755 | ||
756 | evtp->evt_arg1 = arg1; | |
757 | evtp->evt_arg2 = arg2; | |
758 | evtp->evt = evt; | |
759 | ||
ed957684 | 760 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 761 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 762 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 763 | |
5e9d9b82 JS |
764 | lpfc_worker_wake_up(phba); |
765 | ||
dea3101e | 766 | return 1; |
767 | } | |
768 | ||
92d7f7b0 JS |
769 | void |
770 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
771 | { | |
09372820 | 772 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
773 | struct lpfc_hba *phba = vport->phba; |
774 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
775 | int rc; | |
776 | ||
777 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
778 | if (!NLP_CHK_NODE_ACT(ndlp)) |
779 | continue; | |
92d7f7b0 JS |
780 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
781 | continue; | |
98c9ea5c JS |
782 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
783 | ((vport->port_type == LPFC_NPIV_PORT) && | |
784 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
785 | lpfc_unreg_rpi(vport, ndlp); |
786 | ||
787 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
788 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
789 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
790 | continue; |
791 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
792 | remove | |
793 | ? NLP_EVT_DEVICE_RM | |
794 | : NLP_EVT_DEVICE_RECOVERY); | |
795 | } | |
796 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
5af5eee7 JS |
797 | if (phba->sli_rev == LPFC_SLI_REV4) |
798 | lpfc_sli4_unreg_all_rpis(vport); | |
92d7f7b0 | 799 | lpfc_mbx_unreg_vpi(vport); |
09372820 | 800 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 801 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 802 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
803 | } |
804 | } | |
805 | ||
87af33fe | 806 | void |
98c9ea5c | 807 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 808 | { |
695a814e JS |
809 | lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN); |
810 | ||
45ed1190 JS |
811 | /* Cleanup any outstanding received buffers */ |
812 | lpfc_cleanup_rcv_buffers(vport); | |
813 | ||
92d7f7b0 JS |
814 | /* Cleanup any outstanding RSCN activity */ |
815 | lpfc_els_flush_rscn(vport); | |
816 | ||
817 | /* Cleanup any outstanding ELS commands */ | |
818 | lpfc_els_flush_cmd(vport); | |
819 | ||
820 | lpfc_cleanup_rpis(vport, 0); | |
821 | ||
92d7f7b0 JS |
822 | /* Turn off discovery timer if its running */ |
823 | lpfc_can_disctmo(vport); | |
824 | } | |
825 | ||
3772a991 | 826 | void |
98c9ea5c JS |
827 | lpfc_linkdown_port(struct lpfc_vport *vport) |
828 | { | |
829 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
830 | ||
831 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
832 | ||
833 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
834 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
835 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
836 | ||
837 | lpfc_port_link_failure(vport); | |
838 | ||
839 | } | |
840 | ||
dea3101e | 841 | int |
685f0bf7 | 842 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 843 | { |
2e0fef85 JS |
844 | struct lpfc_vport *vport = phba->pport; |
845 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 846 | struct lpfc_vport **vports; |
685f0bf7 | 847 | LPFC_MBOXQ_t *mb; |
549e55cd | 848 | int i; |
dea3101e | 849 | |
3163f725 | 850 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 851 | return 0; |
aacc20e3 JS |
852 | |
853 | /* Block all SCSI stack I/Os */ | |
854 | lpfc_scsi_dev_block(phba); | |
855 | ||
2e0fef85 | 856 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 857 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); |
72100cc4 | 858 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 859 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 860 | phba->link_state = LPFC_LINK_DOWN; |
72100cc4 | 861 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 862 | phba->pport->fc_flag &= ~FC_LBIT; |
72100cc4 | 863 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 864 | } |
549e55cd JS |
865 | vports = lpfc_create_vport_work_array(phba); |
866 | if (vports != NULL) | |
6fb120a7 | 867 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
868 | /* Issue a LINK DOWN event to all nodes */ |
869 | lpfc_linkdown_port(vports[i]); | |
870 | } | |
09372820 | 871 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 872 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
873 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
874 | if (mb) { | |
92d7f7b0 | 875 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 876 | mb->vport = vport; |
2e0fef85 | 877 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 878 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 879 | == MBX_NOT_FINISHED) { |
2e0fef85 | 880 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 881 | } |
882 | } | |
883 | ||
dea3101e | 884 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
885 | if (phba->pport->fc_flag & FC_PT2PT) { |
886 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
887 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
888 | if (mb) { | |
dea3101e | 889 | lpfc_config_link(phba, mb); |
92d7f7b0 | 890 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 891 | mb->vport = vport; |
0b727fea | 892 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 893 | == MBX_NOT_FINISHED) { |
2e0fef85 | 894 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 895 | } |
896 | } | |
2e0fef85 | 897 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 898 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 899 | spin_unlock_irq(shost->host_lock); |
dea3101e | 900 | } |
2e0fef85 | 901 | |
92d7f7b0 JS |
902 | return 0; |
903 | } | |
dea3101e | 904 | |
92d7f7b0 JS |
905 | static void |
906 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
907 | { | |
908 | struct lpfc_nodelist *ndlp; | |
dea3101e | 909 | |
92d7f7b0 | 910 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
911 | if (!NLP_CHK_NODE_ACT(ndlp)) |
912 | continue; | |
92d7f7b0 JS |
913 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
914 | continue; | |
92d7f7b0 | 915 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
916 | /* On Linkup its safe to clean up the ndlp |
917 | * from Fabric connections. | |
918 | */ | |
92d7f7b0 JS |
919 | if (ndlp->nlp_DID != Fabric_DID) |
920 | lpfc_unreg_rpi(vport, ndlp); | |
921 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
922 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
923 | /* Fail outstanding IO now since device is |
924 | * marked for PLOGI. | |
925 | */ | |
92d7f7b0 JS |
926 | lpfc_unreg_rpi(vport, ndlp); |
927 | } | |
928 | } | |
dea3101e | 929 | } |
930 | ||
92d7f7b0 JS |
931 | static void |
932 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 933 | { |
92d7f7b0 | 934 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
935 | struct lpfc_hba *phba = vport->phba; |
936 | ||
937 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
938 | return; | |
939 | ||
858c9f6c JS |
940 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
941 | "Link Up: top:x%x speed:x%x flg:x%x", | |
942 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
943 | ||
92d7f7b0 JS |
944 | /* If NPIV is not enabled, only bring the physical port up */ |
945 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
946 | (vport != phba->pport)) | |
947 | return; | |
dea3101e | 948 | |
2e0fef85 | 949 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 950 | |
2e0fef85 | 951 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
952 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
953 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
954 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
955 | vport->fc_ns_retry = 0; | |
956 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 957 | |
92d7f7b0 JS |
958 | if (vport->fc_flag & FC_LBIT) |
959 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 960 | |
92d7f7b0 JS |
961 | } |
962 | ||
963 | static int | |
964 | lpfc_linkup(struct lpfc_hba *phba) | |
965 | { | |
549e55cd JS |
966 | struct lpfc_vport **vports; |
967 | int i; | |
92d7f7b0 JS |
968 | |
969 | phba->link_state = LPFC_LINK_UP; | |
970 | ||
971 | /* Unblock fabric iocbs if they are blocked */ | |
972 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
973 | del_timer_sync(&phba->fabric_block_timer); | |
974 | ||
549e55cd JS |
975 | vports = lpfc_create_vport_work_array(phba); |
976 | if (vports != NULL) | |
6fb120a7 | 977 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 978 | lpfc_linkup_port(vports[i]); |
09372820 | 979 | lpfc_destroy_vport_work_array(phba, vports); |
6fb120a7 JS |
980 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
981 | (phba->sli_rev < LPFC_SLI_REV4)) | |
92d7f7b0 | 982 | lpfc_issue_clear_la(phba, phba->pport); |
dea3101e | 983 | |
984 | return 0; | |
985 | } | |
986 | ||
987 | /* | |
988 | * This routine handles processing a CLEAR_LA mailbox | |
989 | * command upon completion. It is setup in the LPFC_MBOXQ | |
990 | * as the completion routine when the command is | |
991 | * handed off to the SLI layer. | |
992 | */ | |
a6ababd2 | 993 | static void |
2e0fef85 | 994 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 995 | { |
2e0fef85 JS |
996 | struct lpfc_vport *vport = pmb->vport; |
997 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
998 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 999 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 1000 | uint32_t control; |
1001 | ||
dea3101e | 1002 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 1003 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 1004 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
1005 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
1006 | ||
1007 | /* Check for error */ | |
1008 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 1009 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
1010 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1011 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
1012 | "state x%x\n", | |
1013 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 1014 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1015 | goto out; |
1016 | } | |
1017 | ||
92d7f7b0 JS |
1018 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
1019 | phba->link_state = LPFC_HBA_READY; | |
1020 | ||
1021 | spin_lock_irq(&phba->hbalock); | |
1022 | psli->sli_flag |= LPFC_PROCESS_LA; | |
1023 | control = readl(phba->HCregaddr); | |
1024 | control |= HC_LAINT_ENA; | |
1025 | writel(control, phba->HCregaddr); | |
1026 | readl(phba->HCregaddr); /* flush */ | |
1027 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 1028 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 1029 | return; |
dea3101e | 1030 | |
dea3101e | 1031 | out: |
1032 | /* Device Discovery completes */ | |
e8b62011 JS |
1033 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1034 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 1035 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1036 | |
2e0fef85 | 1037 | spin_lock_irq(shost->host_lock); |
58da1ffb | 1038 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 1039 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1040 | |
2e0fef85 | 1041 | lpfc_can_disctmo(vport); |
dea3101e | 1042 | |
1043 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
1044 | |
1045 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 1046 | psli->sli_flag |= LPFC_PROCESS_LA; |
1047 | control = readl(phba->HCregaddr); | |
1048 | control |= HC_LAINT_ENA; | |
1049 | writel(control, phba->HCregaddr); | |
1050 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1051 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1052 | |
1053 | return; | |
1054 | } | |
1055 | ||
2e0fef85 | 1056 | |
dea3101e | 1057 | static void |
25594c6b | 1058 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1059 | { |
2e0fef85 | 1060 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 1061 | |
04c68496 | 1062 | if (pmb->u.mb.mbxStatus) |
dea3101e | 1063 | goto out; |
dea3101e | 1064 | |
25594c6b JW |
1065 | mempool_free(pmb, phba->mbox_mem_pool); |
1066 | ||
76a95d75 | 1067 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP && |
2e0fef85 JS |
1068 | vport->fc_flag & FC_PUBLIC_LOOP && |
1069 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 1070 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 1071 | * for timeout. port_state is identically |
25594c6b JW |
1072 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
1073 | */ | |
2e0fef85 | 1074 | lpfc_set_disctmo(vport); |
25594c6b | 1075 | return; |
92d7f7b0 | 1076 | } |
dea3101e | 1077 | |
2e0fef85 | 1078 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
1079 | * LPFC_FLOGI while waiting for FLOGI cmpl |
1080 | */ | |
76a95d75 | 1081 | if (vport->port_state != LPFC_FLOGI) |
92d7f7b0 | 1082 | lpfc_initial_flogi(vport); |
25594c6b | 1083 | return; |
dea3101e | 1084 | |
1085 | out: | |
e8b62011 JS |
1086 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1087 | "0306 CONFIG_LINK mbxStatus error x%x " | |
1088 | "HBA state x%x\n", | |
04c68496 | 1089 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 1090 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 1091 | |
92d7f7b0 | 1092 | lpfc_linkdown(phba); |
25594c6b | 1093 | |
e8b62011 JS |
1094 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1095 | "0200 CONFIG_LINK bad hba state x%x\n", | |
1096 | vport->port_state); | |
dea3101e | 1097 | |
92d7f7b0 | 1098 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 1099 | return; |
1100 | } | |
1101 | ||
6fb120a7 JS |
1102 | static void |
1103 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1104 | { | |
1105 | struct lpfc_vport *vport = mboxq->vport; | |
6fb120a7 JS |
1106 | |
1107 | if (mboxq->u.mb.mbxStatus) { | |
1108 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1109 | "2017 REG_FCFI mbxStatus error x%x " | |
1110 | "HBA state x%x\n", | |
1111 | mboxq->u.mb.mbxStatus, vport->port_state); | |
a93ff37a | 1112 | goto fail_out; |
6fb120a7 JS |
1113 | } |
1114 | ||
1115 | /* Start FCoE discovery by sending a FLOGI. */ | |
1116 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1117 | /* Set the FCFI registered flag */ | |
d439d286 | 1118 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 1119 | phba->fcf.fcf_flag |= FCF_REGISTERED; |
d439d286 | 1120 | spin_unlock_irq(&phba->hbalock); |
a93ff37a | 1121 | |
32b9793f | 1122 | /* If there is a pending FCoE event, restart FCF table scan. */ |
a93ff37a JS |
1123 | if (lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF)) |
1124 | goto fail_out; | |
1125 | ||
1126 | /* Mark successful completion of FCF table scan */ | |
d439d286 | 1127 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 1128 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
a93ff37a JS |
1129 | phba->hba_flag &= ~FCF_TS_INPROG; |
1130 | if (vport->port_state != LPFC_FLOGI) { | |
1131 | phba->hba_flag |= FCF_RR_INPROG; | |
1132 | spin_unlock_irq(&phba->hbalock); | |
76a95d75 | 1133 | lpfc_issue_init_vfi(vport); |
a93ff37a JS |
1134 | goto out; |
1135 | } | |
1136 | spin_unlock_irq(&phba->hbalock); | |
1137 | goto out; | |
6fb120a7 | 1138 | |
a93ff37a JS |
1139 | fail_out: |
1140 | spin_lock_irq(&phba->hbalock); | |
1141 | phba->hba_flag &= ~FCF_RR_INPROG; | |
1142 | spin_unlock_irq(&phba->hbalock); | |
1143 | out: | |
6fb120a7 | 1144 | mempool_free(mboxq, phba->mbox_mem_pool); |
6fb120a7 JS |
1145 | } |
1146 | ||
1147 | /** | |
1148 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1149 | * @fab_name: pointer to fabric name. | |
1150 | * @new_fcf_record: pointer to fcf record. | |
1151 | * | |
1152 | * This routine compare the fcf record's fabric name with provided | |
1153 | * fabric name. If the fabric name are identical this function | |
1154 | * returns 1 else return 0. | |
1155 | **/ | |
1156 | static uint32_t | |
1157 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1158 | { | |
ecfd03c6 JS |
1159 | if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) |
1160 | return 0; | |
1161 | if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) | |
1162 | return 0; | |
1163 | if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) | |
1164 | return 0; | |
1165 | if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) | |
1166 | return 0; | |
1167 | if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) | |
1168 | return 0; | |
1169 | if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) | |
6fb120a7 | 1170 | return 0; |
ecfd03c6 JS |
1171 | if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) |
1172 | return 0; | |
1173 | if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)) | |
1174 | return 0; | |
1175 | return 1; | |
6fb120a7 JS |
1176 | } |
1177 | ||
8fa38513 JS |
1178 | /** |
1179 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1180 | * @fab_name: pointer to fabric name. | |
1181 | * @new_fcf_record: pointer to fcf record. | |
1182 | * | |
1183 | * This routine compare the fcf record's switch name with provided | |
1184 | * switch name. If the switch name are identical this function | |
1185 | * returns 1 else return 0. | |
1186 | **/ | |
1187 | static uint32_t | |
1188 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1189 | { | |
ecfd03c6 JS |
1190 | if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) |
1191 | return 0; | |
1192 | if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) | |
1193 | return 0; | |
1194 | if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) | |
8fa38513 | 1195 | return 0; |
ecfd03c6 JS |
1196 | if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) |
1197 | return 0; | |
1198 | if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) | |
1199 | return 0; | |
1200 | if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) | |
1201 | return 0; | |
1202 | if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) | |
1203 | return 0; | |
1204 | if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)) | |
1205 | return 0; | |
1206 | return 1; | |
8fa38513 JS |
1207 | } |
1208 | ||
6fb120a7 JS |
1209 | /** |
1210 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
ecfd03c6 | 1211 | * @mac_addr: pointer to mac address. |
6fb120a7 JS |
1212 | * @new_fcf_record: pointer to fcf record. |
1213 | * | |
1214 | * This routine compare the fcf record's mac address with HBA's | |
1215 | * FCF mac address. If the mac addresses are identical this function | |
1216 | * returns 1 else return 0. | |
1217 | **/ | |
1218 | static uint32_t | |
ecfd03c6 | 1219 | lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record) |
6fb120a7 | 1220 | { |
ecfd03c6 JS |
1221 | if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) |
1222 | return 0; | |
1223 | if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) | |
1224 | return 0; | |
1225 | if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) | |
1226 | return 0; | |
1227 | if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) | |
1228 | return 0; | |
1229 | if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) | |
1230 | return 0; | |
1231 | if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record)) | |
6fb120a7 | 1232 | return 0; |
ecfd03c6 JS |
1233 | return 1; |
1234 | } | |
1235 | ||
1236 | static bool | |
1237 | lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id) | |
1238 | { | |
1239 | return (curr_vlan_id == new_vlan_id); | |
6fb120a7 JS |
1240 | } |
1241 | ||
1242 | /** | |
1243 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
ecfd03c6 | 1244 | * @fcf: pointer to driver fcf record. |
6fb120a7 JS |
1245 | * @new_fcf_record: pointer to fcf record. |
1246 | * | |
1247 | * This routine copies the FCF information from the FCF | |
1248 | * record to lpfc_hba data structure. | |
1249 | **/ | |
1250 | static void | |
ecfd03c6 JS |
1251 | lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec, |
1252 | struct fcf_record *new_fcf_record) | |
6fb120a7 | 1253 | { |
ecfd03c6 JS |
1254 | /* Fabric name */ |
1255 | fcf_rec->fabric_name[0] = | |
6fb120a7 | 1256 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); |
ecfd03c6 | 1257 | fcf_rec->fabric_name[1] = |
6fb120a7 | 1258 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); |
ecfd03c6 | 1259 | fcf_rec->fabric_name[2] = |
6fb120a7 | 1260 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); |
ecfd03c6 | 1261 | fcf_rec->fabric_name[3] = |
6fb120a7 | 1262 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); |
ecfd03c6 | 1263 | fcf_rec->fabric_name[4] = |
6fb120a7 | 1264 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); |
ecfd03c6 | 1265 | fcf_rec->fabric_name[5] = |
6fb120a7 | 1266 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); |
ecfd03c6 | 1267 | fcf_rec->fabric_name[6] = |
6fb120a7 | 1268 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); |
ecfd03c6 | 1269 | fcf_rec->fabric_name[7] = |
6fb120a7 | 1270 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); |
ecfd03c6 JS |
1271 | /* Mac address */ |
1272 | fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1273 | fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1274 | fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1275 | fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1276 | fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1277 | fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1278 | /* FCF record index */ | |
1279 | fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1280 | /* FCF record priority */ | |
1281 | fcf_rec->priority = new_fcf_record->fip_priority; | |
1282 | /* Switch name */ | |
1283 | fcf_rec->switch_name[0] = | |
8fa38513 | 1284 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); |
ecfd03c6 | 1285 | fcf_rec->switch_name[1] = |
8fa38513 | 1286 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); |
ecfd03c6 | 1287 | fcf_rec->switch_name[2] = |
8fa38513 | 1288 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); |
ecfd03c6 | 1289 | fcf_rec->switch_name[3] = |
8fa38513 | 1290 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); |
ecfd03c6 | 1291 | fcf_rec->switch_name[4] = |
8fa38513 | 1292 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); |
ecfd03c6 | 1293 | fcf_rec->switch_name[5] = |
8fa38513 | 1294 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); |
ecfd03c6 | 1295 | fcf_rec->switch_name[6] = |
8fa38513 | 1296 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); |
ecfd03c6 | 1297 | fcf_rec->switch_name[7] = |
8fa38513 | 1298 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); |
6fb120a7 JS |
1299 | } |
1300 | ||
ecfd03c6 JS |
1301 | /** |
1302 | * lpfc_update_fcf_record - Update driver fcf record | |
1303 | * @phba: pointer to lpfc hba data structure. | |
1304 | * @fcf_rec: pointer to driver fcf record. | |
1305 | * @new_fcf_record: pointer to hba fcf record. | |
1306 | * @addr_mode: address mode to be set to the driver fcf record. | |
1307 | * @vlan_id: vlan tag to be set to the driver fcf record. | |
1308 | * @flag: flag bits to be set to the driver fcf record. | |
1309 | * | |
1310 | * This routine updates the driver FCF record from the new HBA FCF record | |
1311 | * together with the address mode, vlan_id, and other informations. This | |
1312 | * routine is called with the host lock held. | |
1313 | **/ | |
1314 | static void | |
1315 | __lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec, | |
1316 | struct fcf_record *new_fcf_record, uint32_t addr_mode, | |
1317 | uint16_t vlan_id, uint32_t flag) | |
1318 | { | |
1319 | /* Copy the fields from the HBA's FCF record */ | |
1320 | lpfc_copy_fcf_record(fcf_rec, new_fcf_record); | |
1321 | /* Update other fields of driver FCF record */ | |
1322 | fcf_rec->addr_mode = addr_mode; | |
1323 | fcf_rec->vlan_id = vlan_id; | |
1324 | fcf_rec->flag |= (flag | RECORD_VALID); | |
1325 | } | |
1326 | ||
6fb120a7 JS |
1327 | /** |
1328 | * lpfc_register_fcf - Register the FCF with hba. | |
1329 | * @phba: pointer to lpfc hba data structure. | |
1330 | * | |
1331 | * This routine issues a register fcfi mailbox command to register | |
1332 | * the fcf with HBA. | |
1333 | **/ | |
1334 | static void | |
1335 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1336 | { | |
1337 | LPFC_MBOXQ_t *fcf_mbxq; | |
1338 | int rc; | |
6fb120a7 | 1339 | |
d439d286 | 1340 | spin_lock_irq(&phba->hbalock); |
6fb120a7 JS |
1341 | /* If the FCF is not availabe do nothing. */ |
1342 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { | |
a93ff37a | 1343 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1344 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1345 | return; |
1346 | } | |
1347 | ||
1348 | /* The FCF is already registered, start discovery */ | |
1349 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
ecfd03c6 | 1350 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
a93ff37a JS |
1351 | phba->hba_flag &= ~FCF_TS_INPROG; |
1352 | if (phba->pport->port_state != LPFC_FLOGI) { | |
1353 | phba->hba_flag |= FCF_RR_INPROG; | |
1354 | spin_unlock_irq(&phba->hbalock); | |
76a95d75 | 1355 | lpfc_issue_init_vfi(phba->pport); |
a93ff37a JS |
1356 | return; |
1357 | } | |
1358 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
1359 | return; |
1360 | } | |
d439d286 | 1361 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1362 | |
a93ff37a | 1363 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4d9ab994 | 1364 | if (!fcf_mbxq) { |
d439d286 | 1365 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1366 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1367 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1368 | return; |
4d9ab994 | 1369 | } |
6fb120a7 JS |
1370 | |
1371 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1372 | fcf_mbxq->vport = phba->pport; | |
1373 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1374 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 | 1375 | if (rc == MBX_NOT_FINISHED) { |
d439d286 | 1376 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1377 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1378 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1379 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1380 | } |
6fb120a7 JS |
1381 | |
1382 | return; | |
1383 | } | |
1384 | ||
1385 | /** | |
1386 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1387 | * @phba: pointer to lpfc hba data structure. | |
1388 | * @new_fcf_record: pointer to fcf record. | |
1389 | * @boot_flag: Indicates if this record used by boot bios. | |
1390 | * @addr_mode: The address mode to be used by this FCF | |
ecfd03c6 | 1391 | * @vlan_id: The vlan id to be used as vlan tagging by this FCF. |
6fb120a7 JS |
1392 | * |
1393 | * This routine compare the fcf record with connect list obtained from the | |
1394 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1395 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1396 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1397 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1398 | * used for this FCF when the function returns. | |
1399 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1400 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
dbb6b3ab | 1401 | * be used with the FCF vlan_id will be set to LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1402 | **/ |
1403 | static int | |
1404 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1405 | struct fcf_record *new_fcf_record, | |
1406 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1407 | uint16_t *vlan_id) | |
1408 | { | |
1409 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1410 | int i, j, fcf_vlan_id = 0; |
1411 | ||
1412 | /* Find the lowest VLAN id in the FCF record */ | |
1413 | for (i = 0; i < 512; i++) { | |
1414 | if (new_fcf_record->vlan_bitmap[i]) { | |
1415 | fcf_vlan_id = i * 8; | |
1416 | j = 0; | |
1417 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1418 | j++; | |
1419 | fcf_vlan_id++; | |
1420 | } | |
1421 | break; | |
1422 | } | |
1423 | } | |
6fb120a7 | 1424 | |
0c287589 JS |
1425 | /* If FCF not available return 0 */ |
1426 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || | |
1427 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record)) | |
1428 | return 0; | |
1429 | ||
45ed1190 | 1430 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1431 | *boot_flag = 0; |
1432 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1433 | new_fcf_record); | |
1434 | if (phba->valid_vlan) | |
1435 | *vlan_id = phba->vlan_id; | |
1436 | else | |
dbb6b3ab | 1437 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1438 | return 1; |
1439 | } | |
1440 | ||
1441 | /* | |
1442 | * If there are no FCF connection table entry, driver connect to all | |
1443 | * FCFs. | |
1444 | */ | |
1445 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1446 | *boot_flag = 0; | |
1447 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1448 | new_fcf_record); | |
0c287589 JS |
1449 | |
1450 | /* | |
1451 | * When there are no FCF connect entries, use driver's default | |
1452 | * addressing mode - FPMA. | |
1453 | */ | |
1454 | if (*addr_mode & LPFC_FCF_FPMA) | |
1455 | *addr_mode = LPFC_FCF_FPMA; | |
1456 | ||
4d9ab994 JS |
1457 | /* If FCF record report a vlan id use that vlan id */ |
1458 | if (fcf_vlan_id) | |
1459 | *vlan_id = fcf_vlan_id; | |
1460 | else | |
dbb6b3ab | 1461 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1462 | return 1; |
1463 | } | |
1464 | ||
ecfd03c6 JS |
1465 | list_for_each_entry(conn_entry, |
1466 | &phba->fcf_conn_rec_list, list) { | |
6fb120a7 JS |
1467 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) |
1468 | continue; | |
1469 | ||
1470 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1471 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1472 | new_fcf_record)) |
1473 | continue; | |
1474 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1475 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1476 | new_fcf_record)) | |
6fb120a7 | 1477 | continue; |
6fb120a7 JS |
1478 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1479 | /* | |
1480 | * If the vlan bit map does not have the bit set for the | |
1481 | * vlan id to be used, then it is not a match. | |
1482 | */ | |
1483 | if (!(new_fcf_record->vlan_bitmap | |
1484 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1485 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1486 | continue; | |
1487 | } | |
1488 | ||
0c287589 JS |
1489 | /* |
1490 | * If connection record does not support any addressing mode, | |
1491 | * skip the FCF record. | |
1492 | */ | |
1493 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1494 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1495 | continue; | |
1496 | ||
6fb120a7 JS |
1497 | /* |
1498 | * Check if the connection record specifies a required | |
1499 | * addressing mode. | |
1500 | */ | |
1501 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1502 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1503 | ||
1504 | /* | |
1505 | * If SPMA required but FCF not support this continue. | |
1506 | */ | |
1507 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1508 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1509 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1510 | continue; | |
1511 | ||
1512 | /* | |
1513 | * If FPMA required but FCF not support this continue. | |
1514 | */ | |
1515 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1516 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1517 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1518 | continue; | |
1519 | } | |
1520 | ||
1521 | /* | |
1522 | * This fcf record matches filtering criteria. | |
1523 | */ | |
1524 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1525 | *boot_flag = 1; | |
1526 | else | |
1527 | *boot_flag = 0; | |
1528 | ||
0c287589 JS |
1529 | /* |
1530 | * If user did not specify any addressing mode, or if the | |
1531 | * prefered addressing mode specified by user is not supported | |
1532 | * by FCF, allow fabric to pick the addressing mode. | |
1533 | */ | |
6fb120a7 JS |
1534 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1535 | new_fcf_record); | |
1536 | /* | |
1537 | * If the user specified a required address mode, assign that | |
1538 | * address mode | |
1539 | */ | |
1540 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1541 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1542 | *addr_mode = (conn_entry->conn_rec.flags & | |
1543 | FCFCNCT_AM_SPMA) ? | |
1544 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1545 | /* | |
1546 | * If the user specified a prefered address mode, use the | |
1547 | * addr mode only if FCF support the addr_mode. | |
1548 | */ | |
1549 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1550 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1551 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1552 | (*addr_mode & LPFC_FCF_SPMA)) | |
1553 | *addr_mode = LPFC_FCF_SPMA; | |
1554 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1555 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1556 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1557 | (*addr_mode & LPFC_FCF_FPMA)) | |
1558 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1559 | |
4d9ab994 | 1560 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1561 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1562 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1563 | /* |
1564 | * If no vlan id is specified in connect list, use the vlan id | |
1565 | * in the FCF record | |
1566 | */ | |
1567 | else if (fcf_vlan_id) | |
1568 | *vlan_id = fcf_vlan_id; | |
6fb120a7 | 1569 | else |
dbb6b3ab | 1570 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1571 | |
1572 | return 1; | |
1573 | } | |
1574 | ||
1575 | return 0; | |
1576 | } | |
1577 | ||
32b9793f JS |
1578 | /** |
1579 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1580 | * @phba: pointer to lpfc hba data structure. | |
1581 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1582 | * | |
1583 | * This function check if there is any fcoe event pending while driver | |
1584 | * scan FCF entries. If there is any pending event, it will restart the | |
1585 | * FCF saning and return 1 else return 0. | |
1586 | */ | |
1587 | int | |
1588 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1589 | { | |
32b9793f JS |
1590 | /* |
1591 | * If the Link is up and no FCoE events while in the | |
1592 | * FCF discovery, no need to restart FCF discovery. | |
1593 | */ | |
1594 | if ((phba->link_state >= LPFC_LINK_UP) && | |
a93ff37a | 1595 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) |
32b9793f JS |
1596 | return 0; |
1597 | ||
0c9ab6f5 JS |
1598 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1599 | "2768 Pending link or FCF event during current " | |
1600 | "handling of the previous event: link_state:x%x, " | |
1601 | "evt_tag_at_scan:x%x, evt_tag_current:x%x\n", | |
1602 | phba->link_state, phba->fcoe_eventtag_at_fcf_scan, | |
1603 | phba->fcoe_eventtag); | |
1604 | ||
32b9793f JS |
1605 | spin_lock_irq(&phba->hbalock); |
1606 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1607 | spin_unlock_irq(&phba->hbalock); | |
1608 | ||
0c9ab6f5 JS |
1609 | if (phba->link_state >= LPFC_LINK_UP) { |
1610 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
1611 | "2780 Restart FCF table scan due to " | |
1612 | "pending FCF event:evt_tag_at_scan:x%x, " | |
1613 | "evt_tag_current:x%x\n", | |
1614 | phba->fcoe_eventtag_at_fcf_scan, | |
1615 | phba->fcoe_eventtag); | |
1616 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1617 | } else { | |
4d9ab994 | 1618 | /* |
a93ff37a | 1619 | * Do not continue FCF discovery and clear FCF_TS_INPROG |
4d9ab994 JS |
1620 | * flag |
1621 | */ | |
dbb6b3ab JS |
1622 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
1623 | "2833 Stop FCF discovery process due to link " | |
1624 | "state change (x%x)\n", phba->link_state); | |
1c6f4ef5 | 1625 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1626 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
0c9ab6f5 | 1627 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); |
1c6f4ef5 JS |
1628 | spin_unlock_irq(&phba->hbalock); |
1629 | } | |
32b9793f | 1630 | |
0c9ab6f5 | 1631 | /* Unregister the currently registered FCF if required */ |
32b9793f JS |
1632 | if (unreg_fcf) { |
1633 | spin_lock_irq(&phba->hbalock); | |
1634 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1635 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 1636 | lpfc_sli4_unregister_fcf(phba); |
32b9793f | 1637 | } |
32b9793f JS |
1638 | return 1; |
1639 | } | |
1640 | ||
6fb120a7 | 1641 | /** |
999d813f JS |
1642 | * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record |
1643 | * @phba: pointer to lpfc hba data structure. | |
1644 | * @fcf_cnt: number of eligible fcf record seen so far. | |
1645 | * | |
1646 | * This function makes an running random selection decision on FCF record to | |
1647 | * use through a sequence of @fcf_cnt eligible FCF records with equal | |
1648 | * probability. To perform integer manunipulation of random numbers with | |
1649 | * size unit32_t, the lower 16 bits of the 32-bit random number returned | |
1650 | * from random32() are taken as the random random number generated. | |
1651 | * | |
1652 | * Returns true when outcome is for the newly read FCF record should be | |
1653 | * chosen; otherwise, return false when outcome is for keeping the previously | |
1654 | * chosen FCF record. | |
1655 | **/ | |
1656 | static bool | |
1657 | lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt) | |
1658 | { | |
1659 | uint32_t rand_num; | |
1660 | ||
1661 | /* Get 16-bit uniform random number */ | |
1662 | rand_num = (0xFFFF & random32()); | |
1663 | ||
1664 | /* Decision with probability 1/fcf_cnt */ | |
1665 | if ((fcf_cnt * rand_num) < 0xFFFF) | |
1666 | return true; | |
1667 | else | |
1668 | return false; | |
1669 | } | |
1670 | ||
1671 | /** | |
3804dc84 | 1672 | * lpfc_sli4_fcf_rec_mbox_parse - Parse read_fcf mbox command. |
6fb120a7 JS |
1673 | * @phba: pointer to lpfc hba data structure. |
1674 | * @mboxq: pointer to mailbox object. | |
0c9ab6f5 | 1675 | * @next_fcf_index: pointer to holder of next fcf index. |
6fb120a7 | 1676 | * |
0c9ab6f5 JS |
1677 | * This routine parses the non-embedded fcf mailbox command by performing the |
1678 | * necessarily error checking, non-embedded read FCF record mailbox command | |
1679 | * SGE parsing, and endianness swapping. | |
1680 | * | |
1681 | * Returns the pointer to the new FCF record in the non-embedded mailbox | |
1682 | * command DMA memory if successfully, other NULL. | |
6fb120a7 | 1683 | */ |
0c9ab6f5 JS |
1684 | static struct fcf_record * |
1685 | lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
1686 | uint16_t *next_fcf_index) | |
6fb120a7 JS |
1687 | { |
1688 | void *virt_addr; | |
1689 | dma_addr_t phys_addr; | |
6fb120a7 JS |
1690 | struct lpfc_mbx_sge sge; |
1691 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1692 | uint32_t shdr_status, shdr_add_status; | |
1693 | union lpfc_sli4_cfg_shdr *shdr; | |
1694 | struct fcf_record *new_fcf_record; | |
32b9793f | 1695 | |
6fb120a7 JS |
1696 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1697 | * routine only uses a single SGE. | |
1698 | */ | |
1699 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1700 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1701 | if (unlikely(!mboxq->sge_array)) { | |
1702 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1703 | "2524 Failed to get the non-embedded SGE " | |
1704 | "virtual address\n"); | |
0c9ab6f5 | 1705 | return NULL; |
6fb120a7 JS |
1706 | } |
1707 | virt_addr = mboxq->sge_array->addr[0]; | |
1708 | ||
1709 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
1710 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
0c9ab6f5 | 1711 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); |
6fb120a7 | 1712 | if (shdr_status || shdr_add_status) { |
0c9ab6f5 JS |
1713 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) |
1714 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 JS |
1715 | "2726 READ_FCF_RECORD Indicates empty " |
1716 | "FCF table.\n"); | |
0c9ab6f5 JS |
1717 | else |
1718 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 | 1719 | "2521 READ_FCF_RECORD mailbox failed " |
0c9ab6f5 JS |
1720 | "with status x%x add_status x%x, " |
1721 | "mbx\n", shdr_status, shdr_add_status); | |
1722 | return NULL; | |
6fb120a7 | 1723 | } |
0c9ab6f5 JS |
1724 | |
1725 | /* Interpreting the returned information of the FCF record */ | |
6fb120a7 JS |
1726 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; |
1727 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1728 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
0c9ab6f5 | 1729 | *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); |
6fb120a7 JS |
1730 | new_fcf_record = (struct fcf_record *)(virt_addr + |
1731 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1732 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
cb5172ea JS |
1733 | offsetof(struct fcf_record, vlan_bitmap)); |
1734 | new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137); | |
1735 | new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138); | |
6fb120a7 | 1736 | |
0c9ab6f5 JS |
1737 | return new_fcf_record; |
1738 | } | |
1739 | ||
1740 | /** | |
1741 | * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record | |
1742 | * @phba: pointer to lpfc hba data structure. | |
1743 | * @fcf_record: pointer to the fcf record. | |
1744 | * @vlan_id: the lowest vlan identifier associated to this fcf record. | |
1745 | * @next_fcf_index: the index to the next fcf record in hba's fcf table. | |
1746 | * | |
1747 | * This routine logs the detailed FCF record if the LOG_FIP loggin is | |
1748 | * enabled. | |
1749 | **/ | |
1750 | static void | |
1751 | lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba, | |
1752 | struct fcf_record *fcf_record, | |
1753 | uint16_t vlan_id, | |
1754 | uint16_t next_fcf_index) | |
1755 | { | |
1756 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1757 | "2764 READ_FCF_RECORD:\n" | |
1758 | "\tFCF_Index : x%x\n" | |
1759 | "\tFCF_Avail : x%x\n" | |
1760 | "\tFCF_Valid : x%x\n" | |
1761 | "\tFIP_Priority : x%x\n" | |
1762 | "\tMAC_Provider : x%x\n" | |
1763 | "\tLowest VLANID : x%x\n" | |
1764 | "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n" | |
1765 | "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1766 | "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1767 | "\tNext_FCF_Index: x%x\n", | |
1768 | bf_get(lpfc_fcf_record_fcf_index, fcf_record), | |
1769 | bf_get(lpfc_fcf_record_fcf_avail, fcf_record), | |
1770 | bf_get(lpfc_fcf_record_fcf_valid, fcf_record), | |
1771 | fcf_record->fip_priority, | |
1772 | bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record), | |
1773 | vlan_id, | |
1774 | bf_get(lpfc_fcf_record_mac_0, fcf_record), | |
1775 | bf_get(lpfc_fcf_record_mac_1, fcf_record), | |
1776 | bf_get(lpfc_fcf_record_mac_2, fcf_record), | |
1777 | bf_get(lpfc_fcf_record_mac_3, fcf_record), | |
1778 | bf_get(lpfc_fcf_record_mac_4, fcf_record), | |
1779 | bf_get(lpfc_fcf_record_mac_5, fcf_record), | |
1780 | bf_get(lpfc_fcf_record_fab_name_0, fcf_record), | |
1781 | bf_get(lpfc_fcf_record_fab_name_1, fcf_record), | |
1782 | bf_get(lpfc_fcf_record_fab_name_2, fcf_record), | |
1783 | bf_get(lpfc_fcf_record_fab_name_3, fcf_record), | |
1784 | bf_get(lpfc_fcf_record_fab_name_4, fcf_record), | |
1785 | bf_get(lpfc_fcf_record_fab_name_5, fcf_record), | |
1786 | bf_get(lpfc_fcf_record_fab_name_6, fcf_record), | |
1787 | bf_get(lpfc_fcf_record_fab_name_7, fcf_record), | |
1788 | bf_get(lpfc_fcf_record_switch_name_0, fcf_record), | |
1789 | bf_get(lpfc_fcf_record_switch_name_1, fcf_record), | |
1790 | bf_get(lpfc_fcf_record_switch_name_2, fcf_record), | |
1791 | bf_get(lpfc_fcf_record_switch_name_3, fcf_record), | |
1792 | bf_get(lpfc_fcf_record_switch_name_4, fcf_record), | |
1793 | bf_get(lpfc_fcf_record_switch_name_5, fcf_record), | |
1794 | bf_get(lpfc_fcf_record_switch_name_6, fcf_record), | |
1795 | bf_get(lpfc_fcf_record_switch_name_7, fcf_record), | |
1796 | next_fcf_index); | |
1797 | } | |
1798 | ||
dbb6b3ab JS |
1799 | /** |
1800 | lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF | |
1801 | * @phba: pointer to lpfc hba data structure. | |
1802 | * @fcf_rec: pointer to an existing FCF record. | |
1803 | * @new_fcf_record: pointer to a new FCF record. | |
1804 | * @new_vlan_id: vlan id from the new FCF record. | |
1805 | * | |
1806 | * This function performs matching test of a new FCF record against an existing | |
1807 | * FCF record. If the new_vlan_id passed in is LPFC_FCOE_IGNORE_VID, vlan id | |
1808 | * will not be used as part of the FCF record matching criteria. | |
1809 | * | |
1810 | * Returns true if all the fields matching, otherwise returns false. | |
1811 | */ | |
1812 | static bool | |
1813 | lpfc_sli4_fcf_record_match(struct lpfc_hba *phba, | |
1814 | struct lpfc_fcf_rec *fcf_rec, | |
1815 | struct fcf_record *new_fcf_record, | |
1816 | uint16_t new_vlan_id) | |
1817 | { | |
1818 | if (new_vlan_id != LPFC_FCOE_IGNORE_VID) | |
1819 | if (!lpfc_vlan_id_match(fcf_rec->vlan_id, new_vlan_id)) | |
1820 | return false; | |
1821 | if (!lpfc_mac_addr_match(fcf_rec->mac_addr, new_fcf_record)) | |
1822 | return false; | |
1823 | if (!lpfc_sw_name_match(fcf_rec->switch_name, new_fcf_record)) | |
1824 | return false; | |
1825 | if (!lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record)) | |
1826 | return false; | |
1827 | return true; | |
1828 | } | |
1829 | ||
a93ff37a JS |
1830 | /** |
1831 | * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf | |
1832 | * @vport: Pointer to vport object. | |
1833 | * @fcf_index: index to next fcf. | |
1834 | * | |
1835 | * This function processing the roundrobin fcf failover to next fcf index. | |
1836 | * When this function is invoked, there will be a current fcf registered | |
1837 | * for flogi. | |
1838 | * Return: 0 for continue retrying flogi on currently registered fcf; | |
1839 | * 1 for stop flogi on currently registered fcf; | |
1840 | */ | |
1841 | int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index) | |
1842 | { | |
1843 | struct lpfc_hba *phba = vport->phba; | |
1844 | int rc; | |
1845 | ||
1846 | if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) { | |
1847 | spin_lock_irq(&phba->hbalock); | |
1848 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
1849 | spin_unlock_irq(&phba->hbalock); | |
1850 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1851 | "2872 Devloss tmo with no eligible " | |
1852 | "FCF, unregister in-use FCF (x%x) " | |
1853 | "and rescan FCF table\n", | |
1854 | phba->fcf.current_rec.fcf_indx); | |
1855 | lpfc_unregister_fcf_rescan(phba); | |
1856 | goto stop_flogi_current_fcf; | |
1857 | } | |
1858 | /* Mark the end to FLOGI roundrobin failover */ | |
1859 | phba->hba_flag &= ~FCF_RR_INPROG; | |
1860 | /* Allow action to new fcf asynchronous event */ | |
1861 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
1862 | spin_unlock_irq(&phba->hbalock); | |
1863 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1864 | "2865 No FCF available, stop roundrobin FCF " | |
1865 | "failover and change port state:x%x/x%x\n", | |
1866 | phba->pport->port_state, LPFC_VPORT_UNKNOWN); | |
1867 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
1868 | goto stop_flogi_current_fcf; | |
1869 | } else { | |
1870 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS, | |
1871 | "2794 Try FLOGI roundrobin FCF failover to " | |
1872 | "(x%x)\n", fcf_index); | |
1873 | rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index); | |
1874 | if (rc) | |
1875 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, | |
1876 | "2761 FLOGI roundrobin FCF failover " | |
1877 | "failed (rc:x%x) to read FCF (x%x)\n", | |
1878 | rc, phba->fcf.current_rec.fcf_indx); | |
1879 | else | |
1880 | goto stop_flogi_current_fcf; | |
1881 | } | |
1882 | return 0; | |
1883 | ||
1884 | stop_flogi_current_fcf: | |
1885 | lpfc_can_disctmo(vport); | |
1886 | return 1; | |
1887 | } | |
1888 | ||
0c9ab6f5 JS |
1889 | /** |
1890 | * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. | |
1891 | * @phba: pointer to lpfc hba data structure. | |
1892 | * @mboxq: pointer to mailbox object. | |
1893 | * | |
1894 | * This function iterates through all the fcf records available in | |
1895 | * HBA and chooses the optimal FCF record for discovery. After finding | |
1896 | * the FCF for discovery it registers the FCF record and kicks start | |
1897 | * discovery. | |
1898 | * If FCF_IN_USE flag is set in currently used FCF, the routine tries to | |
1899 | * use an FCF record which matches fabric name and mac address of the | |
1900 | * currently used FCF record. | |
1901 | * If the driver supports only one FCF, it will try to use the FCF record | |
1902 | * used by BOOT_BIOS. | |
1903 | */ | |
1904 | void | |
1905 | lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1906 | { | |
1907 | struct fcf_record *new_fcf_record; | |
1908 | uint32_t boot_flag, addr_mode; | |
1909 | uint16_t fcf_index, next_fcf_index; | |
1910 | struct lpfc_fcf_rec *fcf_rec = NULL; | |
1911 | uint16_t vlan_id; | |
999d813f JS |
1912 | uint32_t seed; |
1913 | bool select_new_fcf; | |
0c9ab6f5 JS |
1914 | int rc; |
1915 | ||
1916 | /* If there is pending FCoE event restart FCF table scan */ | |
a93ff37a | 1917 | if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) { |
0c9ab6f5 JS |
1918 | lpfc_sli4_mbox_cmd_free(phba, mboxq); |
1919 | return; | |
1920 | } | |
1921 | ||
1922 | /* Parse the FCF record from the non-embedded mailbox command */ | |
1923 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
1924 | &next_fcf_index); | |
1925 | if (!new_fcf_record) { | |
a93ff37a | 1926 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
0c9ab6f5 JS |
1927 | "2765 Mailbox command READ_FCF_RECORD " |
1928 | "failed to retrieve a FCF record.\n"); | |
1929 | /* Let next new FCF event trigger fast failover */ | |
1930 | spin_lock_irq(&phba->hbalock); | |
a93ff37a | 1931 | phba->hba_flag &= ~FCF_TS_INPROG; |
0c9ab6f5 JS |
1932 | spin_unlock_irq(&phba->hbalock); |
1933 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1934 | return; | |
1935 | } | |
1936 | ||
1937 | /* Check the FCF record against the connection list */ | |
ecfd03c6 JS |
1938 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
1939 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
1940 | |
1941 | /* Log the FCF record information if turned on */ | |
1942 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
1943 | next_fcf_index); | |
1944 | ||
6fb120a7 JS |
1945 | /* |
1946 | * If the fcf record does not match with connect list entries | |
0c9ab6f5 | 1947 | * read the next entry; otherwise, this is an eligible FCF |
a93ff37a | 1948 | * record for roundrobin FCF failover. |
6fb120a7 | 1949 | */ |
0c9ab6f5 JS |
1950 | if (!rc) { |
1951 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
a93ff37a JS |
1952 | "2781 FCF (x%x) failed connection " |
1953 | "list check: (x%x/x%x)\n", | |
0c9ab6f5 JS |
1954 | bf_get(lpfc_fcf_record_fcf_index, |
1955 | new_fcf_record), | |
1956 | bf_get(lpfc_fcf_record_fcf_avail, | |
1957 | new_fcf_record), | |
1958 | bf_get(lpfc_fcf_record_fcf_valid, | |
1959 | new_fcf_record)); | |
dbb6b3ab JS |
1960 | if ((phba->fcf.fcf_flag & FCF_IN_USE) && |
1961 | lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, | |
1962 | new_fcf_record, LPFC_FCOE_IGNORE_VID)) { | |
5ac6b303 JS |
1963 | if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) != |
1964 | phba->fcf.current_rec.fcf_indx) { | |
1965 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
1966 | "2862 FCF (x%x) matches property " | |
1967 | "of in-use FCF (x%x)\n", | |
1968 | bf_get(lpfc_fcf_record_fcf_index, | |
1969 | new_fcf_record), | |
1970 | phba->fcf.current_rec.fcf_indx); | |
1971 | goto read_next_fcf; | |
1972 | } | |
dbb6b3ab JS |
1973 | /* |
1974 | * In case the current in-use FCF record becomes | |
1975 | * invalid/unavailable during FCF discovery that | |
1976 | * was not triggered by fast FCF failover process, | |
1977 | * treat it as fast FCF failover. | |
1978 | */ | |
1979 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND) && | |
1980 | !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
1981 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1982 | "2835 Invalid in-use FCF " | |
a93ff37a JS |
1983 | "(x%x), enter FCF failover " |
1984 | "table scan.\n", | |
dbb6b3ab JS |
1985 | phba->fcf.current_rec.fcf_indx); |
1986 | spin_lock_irq(&phba->hbalock); | |
1987 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
1988 | spin_unlock_irq(&phba->hbalock); | |
1989 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1990 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
1991 | LPFC_FCOE_FCF_GET_FIRST); | |
1992 | return; | |
1993 | } | |
1994 | } | |
6fb120a7 | 1995 | goto read_next_fcf; |
0c9ab6f5 JS |
1996 | } else { |
1997 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1998 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
1999 | if (rc) | |
2000 | goto read_next_fcf; | |
2001 | } | |
2002 | ||
6fb120a7 JS |
2003 | /* |
2004 | * If this is not the first FCF discovery of the HBA, use last | |
ecfd03c6 JS |
2005 | * FCF record for the discovery. The condition that a rescan |
2006 | * matches the in-use FCF record: fabric name, switch name, mac | |
2007 | * address, and vlan_id. | |
6fb120a7 | 2008 | */ |
0c9ab6f5 | 2009 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 2010 | if (phba->fcf.fcf_flag & FCF_IN_USE) { |
dbb6b3ab JS |
2011 | if (lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, |
2012 | new_fcf_record, vlan_id)) { | |
5ac6b303 JS |
2013 | if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) == |
2014 | phba->fcf.current_rec.fcf_indx) { | |
2015 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
2016 | if (phba->fcf.fcf_flag & FCF_REDISC_PEND) | |
2017 | /* Stop FCF redisc wait timer */ | |
2018 | __lpfc_sli4_stop_fcf_redisc_wait_timer( | |
2019 | phba); | |
2020 | else if (phba->fcf.fcf_flag & FCF_REDISC_FOV) | |
2021 | /* Fast failover, mark completed */ | |
2022 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; | |
2023 | spin_unlock_irq(&phba->hbalock); | |
2024 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2025 | "2836 New FCF matches in-use " | |
2026 | "FCF (x%x)\n", | |
2027 | phba->fcf.current_rec.fcf_indx); | |
2028 | goto out; | |
2029 | } else | |
2030 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
2031 | "2863 New FCF (x%x) matches " | |
2032 | "property of in-use FCF (x%x)\n", | |
dbb6b3ab | 2033 | bf_get(lpfc_fcf_record_fcf_index, |
5ac6b303 JS |
2034 | new_fcf_record), |
2035 | phba->fcf.current_rec.fcf_indx); | |
6fb120a7 | 2036 | } |
ecfd03c6 JS |
2037 | /* |
2038 | * Read next FCF record from HBA searching for the matching | |
2039 | * with in-use record only if not during the fast failover | |
2040 | * period. In case of fast failover period, it shall try to | |
2041 | * determine whether the FCF record just read should be the | |
2042 | * next candidate. | |
2043 | */ | |
2044 | if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
0c9ab6f5 | 2045 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2046 | goto read_next_fcf; |
2047 | } | |
6fb120a7 | 2048 | } |
ecfd03c6 JS |
2049 | /* |
2050 | * Update on failover FCF record only if it's in FCF fast-failover | |
2051 | * period; otherwise, update on current FCF record. | |
2052 | */ | |
fc2b989b JS |
2053 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) |
2054 | fcf_rec = &phba->fcf.failover_rec; | |
2055 | else | |
ecfd03c6 JS |
2056 | fcf_rec = &phba->fcf.current_rec; |
2057 | ||
6fb120a7 JS |
2058 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { |
2059 | /* | |
ecfd03c6 JS |
2060 | * If the driver FCF record does not have boot flag |
2061 | * set and new hba fcf record has boot flag set, use | |
2062 | * the new hba fcf record. | |
6fb120a7 | 2063 | */ |
ecfd03c6 JS |
2064 | if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) { |
2065 | /* Choose this FCF record */ | |
dbb6b3ab JS |
2066 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2067 | "2837 Update current FCF record " | |
2068 | "(x%x) with new FCF record (x%x)\n", | |
2069 | fcf_rec->fcf_indx, | |
2070 | bf_get(lpfc_fcf_record_fcf_index, | |
2071 | new_fcf_record)); | |
ecfd03c6 JS |
2072 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2073 | addr_mode, vlan_id, BOOT_ENABLE); | |
0c9ab6f5 | 2074 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2075 | goto read_next_fcf; |
2076 | } | |
2077 | /* | |
ecfd03c6 JS |
2078 | * If the driver FCF record has boot flag set and the |
2079 | * new hba FCF record does not have boot flag, read | |
2080 | * the next FCF record. | |
6fb120a7 | 2081 | */ |
ecfd03c6 | 2082 | if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) { |
0c9ab6f5 | 2083 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2084 | goto read_next_fcf; |
2085 | } | |
2086 | /* | |
ecfd03c6 JS |
2087 | * If the new hba FCF record has lower priority value |
2088 | * than the driver FCF record, use the new record. | |
6fb120a7 | 2089 | */ |
fc2b989b | 2090 | if (new_fcf_record->fip_priority < fcf_rec->priority) { |
999d813f | 2091 | /* Choose the new FCF record with lower priority */ |
dbb6b3ab JS |
2092 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2093 | "2838 Update current FCF record " | |
2094 | "(x%x) with new FCF record (x%x)\n", | |
2095 | fcf_rec->fcf_indx, | |
2096 | bf_get(lpfc_fcf_record_fcf_index, | |
2097 | new_fcf_record)); | |
ecfd03c6 JS |
2098 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2099 | addr_mode, vlan_id, 0); | |
999d813f JS |
2100 | /* Reset running random FCF selection count */ |
2101 | phba->fcf.eligible_fcf_cnt = 1; | |
2102 | } else if (new_fcf_record->fip_priority == fcf_rec->priority) { | |
2103 | /* Update running random FCF selection count */ | |
2104 | phba->fcf.eligible_fcf_cnt++; | |
2105 | select_new_fcf = lpfc_sli4_new_fcf_random_select(phba, | |
2106 | phba->fcf.eligible_fcf_cnt); | |
dbb6b3ab JS |
2107 | if (select_new_fcf) { |
2108 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2109 | "2839 Update current FCF record " | |
2110 | "(x%x) with new FCF record (x%x)\n", | |
2111 | fcf_rec->fcf_indx, | |
2112 | bf_get(lpfc_fcf_record_fcf_index, | |
2113 | new_fcf_record)); | |
999d813f JS |
2114 | /* Choose the new FCF by random selection */ |
2115 | __lpfc_update_fcf_record(phba, fcf_rec, | |
2116 | new_fcf_record, | |
2117 | addr_mode, vlan_id, 0); | |
dbb6b3ab | 2118 | } |
6fb120a7 | 2119 | } |
0c9ab6f5 | 2120 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2121 | goto read_next_fcf; |
2122 | } | |
2123 | /* | |
ecfd03c6 JS |
2124 | * This is the first suitable FCF record, choose this record for |
2125 | * initial best-fit FCF. | |
6fb120a7 | 2126 | */ |
ecfd03c6 | 2127 | if (fcf_rec) { |
dbb6b3ab | 2128 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2129 | "2840 Update initial FCF candidate " |
2130 | "with FCF (x%x)\n", | |
dbb6b3ab JS |
2131 | bf_get(lpfc_fcf_record_fcf_index, |
2132 | new_fcf_record)); | |
ecfd03c6 JS |
2133 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2134 | addr_mode, vlan_id, (boot_flag ? | |
2135 | BOOT_ENABLE : 0)); | |
2136 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
999d813f JS |
2137 | /* Setup initial running random FCF selection count */ |
2138 | phba->fcf.eligible_fcf_cnt = 1; | |
2139 | /* Seeding the random number generator for random selection */ | |
2140 | seed = (uint32_t)(0xFFFFFFFF & jiffies); | |
2141 | srandom32(seed); | |
6fb120a7 | 2142 | } |
0c9ab6f5 | 2143 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2144 | goto read_next_fcf; |
2145 | ||
2146 | read_next_fcf: | |
2147 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
ecfd03c6 JS |
2148 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) { |
2149 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) { | |
2150 | /* | |
2151 | * Case of FCF fast failover scan | |
2152 | */ | |
2153 | ||
2154 | /* | |
2155 | * It has not found any suitable FCF record, cancel | |
2156 | * FCF scan inprogress, and do nothing | |
2157 | */ | |
2158 | if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { | |
0c9ab6f5 | 2159 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
a93ff37a JS |
2160 | "2782 No suitable FCF found: " |
2161 | "(x%x/x%x)\n", | |
0c9ab6f5 JS |
2162 | phba->fcoe_eventtag_at_fcf_scan, |
2163 | bf_get(lpfc_fcf_record_fcf_index, | |
2164 | new_fcf_record)); | |
a93ff37a JS |
2165 | spin_lock_irq(&phba->hbalock); |
2166 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
2167 | phba->hba_flag &= ~FCF_TS_INPROG; | |
2168 | spin_unlock_irq(&phba->hbalock); | |
2169 | /* Unregister in-use FCF and rescan */ | |
2170 | lpfc_printf_log(phba, KERN_INFO, | |
2171 | LOG_FIP, | |
2172 | "2864 On devloss tmo " | |
2173 | "unreg in-use FCF and " | |
2174 | "rescan FCF table\n"); | |
2175 | lpfc_unregister_fcf_rescan(phba); | |
2176 | return; | |
2177 | } | |
0c9ab6f5 | 2178 | /* |
a93ff37a | 2179 | * Let next new FCF event trigger fast failover |
0c9ab6f5 | 2180 | */ |
a93ff37a | 2181 | phba->hba_flag &= ~FCF_TS_INPROG; |
0c9ab6f5 | 2182 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2183 | return; |
2184 | } | |
2185 | /* | |
2186 | * It has found a suitable FCF record that is not | |
2187 | * the same as in-use FCF record, unregister the | |
2188 | * in-use FCF record, replace the in-use FCF record | |
2189 | * with the new FCF record, mark FCF fast failover | |
2190 | * completed, and then start register the new FCF | |
2191 | * record. | |
2192 | */ | |
2193 | ||
0c9ab6f5 | 2194 | /* Unregister the current in-use FCF record */ |
ecfd03c6 | 2195 | lpfc_unregister_fcf(phba); |
0c9ab6f5 JS |
2196 | |
2197 | /* Replace in-use record with the new record */ | |
dbb6b3ab | 2198 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2199 | "2842 Replace in-use FCF (x%x) " |
2200 | "with failover FCF (x%x)\n", | |
dbb6b3ab JS |
2201 | phba->fcf.current_rec.fcf_indx, |
2202 | phba->fcf.failover_rec.fcf_indx); | |
ecfd03c6 JS |
2203 | memcpy(&phba->fcf.current_rec, |
2204 | &phba->fcf.failover_rec, | |
2205 | sizeof(struct lpfc_fcf_rec)); | |
3804dc84 JS |
2206 | /* |
2207 | * Mark the fast FCF failover rediscovery completed | |
2208 | * and the start of the first round of the roundrobin | |
2209 | * FCF failover. | |
2210 | */ | |
0c9ab6f5 | 2211 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 2212 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; |
0c9ab6f5 | 2213 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2214 | /* Register to the new FCF record */ |
2215 | lpfc_register_fcf(phba); | |
2216 | } else { | |
2217 | /* | |
2218 | * In case of transaction period to fast FCF failover, | |
2219 | * do nothing when search to the end of the FCF table. | |
2220 | */ | |
2221 | if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) || | |
2222 | (phba->fcf.fcf_flag & FCF_REDISC_PEND)) | |
2223 | return; | |
dbb6b3ab JS |
2224 | |
2225 | if (phba->fcf.fcf_flag & FCF_IN_USE) { | |
2226 | /* | |
2227 | * In case the current in-use FCF record no | |
2228 | * longer existed during FCF discovery that | |
2229 | * was not triggered by fast FCF failover | |
2230 | * process, treat it as fast FCF failover. | |
2231 | */ | |
2232 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2233 | "2841 In-use FCF record (x%x) " | |
2234 | "not reported, entering fast " | |
2235 | "FCF failover mode scanning.\n", | |
2236 | phba->fcf.current_rec.fcf_indx); | |
2237 | spin_lock_irq(&phba->hbalock); | |
2238 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
2239 | spin_unlock_irq(&phba->hbalock); | |
2240 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2241 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2242 | LPFC_FCOE_FCF_GET_FIRST); | |
2243 | return; | |
2244 | } | |
0c9ab6f5 | 2245 | /* Register to the new FCF record */ |
ecfd03c6 JS |
2246 | lpfc_register_fcf(phba); |
2247 | } | |
2248 | } else | |
0c9ab6f5 | 2249 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index); |
6fb120a7 JS |
2250 | return; |
2251 | ||
2252 | out: | |
2253 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2254 | lpfc_register_fcf(phba); | |
2255 | ||
2256 | return; | |
2257 | } | |
2258 | ||
0c9ab6f5 | 2259 | /** |
a93ff37a | 2260 | * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler |
0c9ab6f5 JS |
2261 | * @phba: pointer to lpfc hba data structure. |
2262 | * @mboxq: pointer to mailbox object. | |
2263 | * | |
a93ff37a | 2264 | * This is the callback function for FLOGI failure roundrobin FCF failover |
0c9ab6f5 JS |
2265 | * read FCF record mailbox command from the eligible FCF record bmask for |
2266 | * performing the failover. If the FCF read back is not valid/available, it | |
2267 | * fails through to retrying FLOGI to the currently registered FCF again. | |
2268 | * Otherwise, if the FCF read back is valid and available, it will set the | |
2269 | * newly read FCF record to the failover FCF record, unregister currently | |
2270 | * registered FCF record, copy the failover FCF record to the current | |
2271 | * FCF record, and then register the current FCF record before proceeding | |
2272 | * to trying FLOGI on the new failover FCF. | |
2273 | */ | |
2274 | void | |
2275 | lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2276 | { | |
2277 | struct fcf_record *new_fcf_record; | |
2278 | uint32_t boot_flag, addr_mode; | |
a93ff37a | 2279 | uint16_t next_fcf_index, fcf_index; |
0c9ab6f5 JS |
2280 | uint16_t current_fcf_index; |
2281 | uint16_t vlan_id; | |
a93ff37a | 2282 | int rc; |
0c9ab6f5 | 2283 | |
a93ff37a | 2284 | /* If link state is not up, stop the roundrobin failover process */ |
0c9ab6f5 JS |
2285 | if (phba->link_state < LPFC_LINK_UP) { |
2286 | spin_lock_irq(&phba->hbalock); | |
2287 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
a93ff37a | 2288 | phba->hba_flag &= ~FCF_RR_INPROG; |
0c9ab6f5 | 2289 | spin_unlock_irq(&phba->hbalock); |
a93ff37a | 2290 | goto out; |
0c9ab6f5 JS |
2291 | } |
2292 | ||
2293 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2294 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2295 | &next_fcf_index); | |
2296 | if (!new_fcf_record) { | |
2297 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2298 | "2766 Mailbox command READ_FCF_RECORD " | |
2299 | "failed to retrieve a FCF record.\n"); | |
a93ff37a | 2300 | goto error_out; |
0c9ab6f5 JS |
2301 | } |
2302 | ||
2303 | /* Get the needed parameters from FCF record */ | |
a93ff37a JS |
2304 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
2305 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
2306 | |
2307 | /* Log the FCF record information if turned on */ | |
2308 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2309 | next_fcf_index); | |
2310 | ||
a93ff37a JS |
2311 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); |
2312 | if (!rc) { | |
2313 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2314 | "2848 Remove ineligible FCF (x%x) from " | |
2315 | "from roundrobin bmask\n", fcf_index); | |
2316 | /* Clear roundrobin bmask bit for ineligible FCF */ | |
2317 | lpfc_sli4_fcf_rr_index_clear(phba, fcf_index); | |
2318 | /* Perform next round of roundrobin FCF failover */ | |
2319 | fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); | |
2320 | rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index); | |
2321 | if (rc) | |
2322 | goto out; | |
2323 | goto error_out; | |
2324 | } | |
2325 | ||
2326 | if (fcf_index == phba->fcf.current_rec.fcf_indx) { | |
2327 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2328 | "2760 Perform FLOGI roundrobin FCF failover: " | |
2329 | "FCF (x%x) back to FCF (x%x)\n", | |
2330 | phba->fcf.current_rec.fcf_indx, fcf_index); | |
2331 | /* Wait 500 ms before retrying FLOGI to current FCF */ | |
2332 | msleep(500); | |
76a95d75 | 2333 | lpfc_issue_init_vfi(phba->pport); |
a93ff37a JS |
2334 | goto out; |
2335 | } | |
2336 | ||
0c9ab6f5 | 2337 | /* Upload new FCF record to the failover FCF record */ |
dbb6b3ab | 2338 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2339 | "2834 Update current FCF (x%x) with new FCF (x%x)\n", |
2340 | phba->fcf.failover_rec.fcf_indx, fcf_index); | |
0c9ab6f5 JS |
2341 | spin_lock_irq(&phba->hbalock); |
2342 | __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, | |
2343 | new_fcf_record, addr_mode, vlan_id, | |
2344 | (boot_flag ? BOOT_ENABLE : 0)); | |
2345 | spin_unlock_irq(&phba->hbalock); | |
2346 | ||
2347 | current_fcf_index = phba->fcf.current_rec.fcf_indx; | |
2348 | ||
2349 | /* Unregister the current in-use FCF record */ | |
2350 | lpfc_unregister_fcf(phba); | |
2351 | ||
2352 | /* Replace in-use record with the new record */ | |
2353 | memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec, | |
2354 | sizeof(struct lpfc_fcf_rec)); | |
2355 | ||
2356 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a JS |
2357 | "2783 Perform FLOGI roundrobin FCF failover: FCF " |
2358 | "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index); | |
0c9ab6f5 | 2359 | |
a93ff37a JS |
2360 | error_out: |
2361 | lpfc_register_fcf(phba); | |
0c9ab6f5 JS |
2362 | out: |
2363 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
0c9ab6f5 JS |
2364 | } |
2365 | ||
2366 | /** | |
2367 | * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler. | |
2368 | * @phba: pointer to lpfc hba data structure. | |
2369 | * @mboxq: pointer to mailbox object. | |
2370 | * | |
2371 | * This is the callback function of read FCF record mailbox command for | |
a93ff37a | 2372 | * updating the eligible FCF bmask for FLOGI failure roundrobin FCF |
0c9ab6f5 JS |
2373 | * failover when a new FCF event happened. If the FCF read back is |
2374 | * valid/available and it passes the connection list check, it updates | |
a93ff37a | 2375 | * the bmask for the eligible FCF record for roundrobin failover. |
0c9ab6f5 JS |
2376 | */ |
2377 | void | |
2378 | lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2379 | { | |
2380 | struct fcf_record *new_fcf_record; | |
2381 | uint32_t boot_flag, addr_mode; | |
2382 | uint16_t fcf_index, next_fcf_index; | |
2383 | uint16_t vlan_id; | |
2384 | int rc; | |
2385 | ||
2386 | /* If link state is not up, no need to proceed */ | |
2387 | if (phba->link_state < LPFC_LINK_UP) | |
2388 | goto out; | |
2389 | ||
2390 | /* If FCF discovery period is over, no need to proceed */ | |
3804dc84 | 2391 | if (!(phba->fcf.fcf_flag & FCF_DISCOVERY)) |
0c9ab6f5 JS |
2392 | goto out; |
2393 | ||
2394 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2395 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2396 | &next_fcf_index); | |
2397 | if (!new_fcf_record) { | |
2398 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2399 | "2767 Mailbox command READ_FCF_RECORD " | |
2400 | "failed to retrieve a FCF record.\n"); | |
2401 | goto out; | |
2402 | } | |
2403 | ||
2404 | /* Check the connection list for eligibility */ | |
2405 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2406 | &addr_mode, &vlan_id); | |
2407 | ||
2408 | /* Log the FCF record information if turned on */ | |
2409 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2410 | next_fcf_index); | |
2411 | ||
2412 | if (!rc) | |
2413 | goto out; | |
2414 | ||
2415 | /* Update the eligible FCF record index bmask */ | |
2416 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
2417 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
2418 | ||
2419 | out: | |
2420 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2421 | } | |
2422 | ||
76a95d75 JS |
2423 | /** |
2424 | * lpfc_init_vfi_cmpl - Completion handler for init_vfi mbox command. | |
2425 | * @phba: pointer to lpfc hba data structure. | |
2426 | * @mboxq: pointer to mailbox data structure. | |
2427 | * | |
2428 | * This function handles completion of init vfi mailbox command. | |
2429 | */ | |
2430 | void | |
2431 | lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2432 | { | |
2433 | struct lpfc_vport *vport = mboxq->vport; | |
2434 | ||
2435 | if (mboxq->u.mb.mbxStatus && (mboxq->u.mb.mbxStatus != 0x4002)) { | |
2436 | lpfc_printf_vlog(vport, KERN_ERR, | |
2437 | LOG_MBOX, | |
2438 | "2891 Init VFI mailbox failed 0x%x\n", | |
2439 | mboxq->u.mb.mbxStatus); | |
2440 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2441 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2442 | return; | |
2443 | } | |
2444 | lpfc_initial_flogi(vport); | |
2445 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2446 | return; | |
2447 | } | |
2448 | ||
2449 | /** | |
2450 | * lpfc_issue_init_vfi - Issue init_vfi mailbox command. | |
2451 | * @vport: pointer to lpfc_vport data structure. | |
2452 | * | |
2453 | * This function issue a init_vfi mailbox command to initialize the VFI and | |
2454 | * VPI for the physical port. | |
2455 | */ | |
2456 | void | |
2457 | lpfc_issue_init_vfi(struct lpfc_vport *vport) | |
2458 | { | |
2459 | LPFC_MBOXQ_t *mboxq; | |
2460 | int rc; | |
2461 | struct lpfc_hba *phba = vport->phba; | |
2462 | ||
2463 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2464 | if (!mboxq) { | |
2465 | lpfc_printf_vlog(vport, KERN_ERR, | |
2466 | LOG_MBOX, "2892 Failed to allocate " | |
2467 | "init_vfi mailbox\n"); | |
2468 | return; | |
2469 | } | |
2470 | lpfc_init_vfi(mboxq, vport); | |
2471 | mboxq->mbox_cmpl = lpfc_init_vfi_cmpl; | |
2472 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
2473 | if (rc == MBX_NOT_FINISHED) { | |
2474 | lpfc_printf_vlog(vport, KERN_ERR, | |
2475 | LOG_MBOX, "2893 Failed to issue init_vfi mailbox\n"); | |
2476 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2477 | } | |
2478 | } | |
2479 | ||
1c6834a7 JS |
2480 | /** |
2481 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
2482 | * @phba: pointer to lpfc hba data structure. | |
2483 | * @mboxq: pointer to mailbox data structure. | |
2484 | * | |
2485 | * This function handles completion of init vpi mailbox command. | |
2486 | */ | |
695a814e | 2487 | void |
1c6834a7 JS |
2488 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
2489 | { | |
2490 | struct lpfc_vport *vport = mboxq->vport; | |
695a814e | 2491 | struct lpfc_nodelist *ndlp; |
72100cc4 JS |
2492 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2493 | ||
1c6834a7 JS |
2494 | if (mboxq->u.mb.mbxStatus) { |
2495 | lpfc_printf_vlog(vport, KERN_ERR, | |
2496 | LOG_MBOX, | |
2497 | "2609 Init VPI mailbox failed 0x%x\n", | |
2498 | mboxq->u.mb.mbxStatus); | |
2499 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2500 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2501 | return; | |
2502 | } | |
72100cc4 | 2503 | spin_lock_irq(shost->host_lock); |
1c6834a7 | 2504 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2505 | spin_unlock_irq(shost->host_lock); |
1c6834a7 | 2506 | |
695a814e JS |
2507 | /* If this port is physical port or FDISC is done, do reg_vpi */ |
2508 | if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) { | |
2509 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
2510 | if (!ndlp) | |
2511 | lpfc_printf_vlog(vport, KERN_ERR, | |
2512 | LOG_DISCOVERY, | |
2513 | "2731 Cannot find fabric " | |
2514 | "controller node\n"); | |
2515 | else | |
2516 | lpfc_register_new_vport(phba, vport, ndlp); | |
2517 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2518 | return; | |
2519 | } | |
2520 | ||
1c6834a7 JS |
2521 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2522 | lpfc_initial_fdisc(vport); | |
2523 | else { | |
2524 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
2525 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2526 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 | 2527 | } |
695a814e | 2528 | mempool_free(mboxq, phba->mbox_mem_pool); |
1c6834a7 JS |
2529 | return; |
2530 | } | |
2531 | ||
ecfd03c6 JS |
2532 | /** |
2533 | * lpfc_issue_init_vpi - Issue init_vpi mailbox command. | |
2534 | * @vport: pointer to lpfc_vport data structure. | |
2535 | * | |
2536 | * This function issue a init_vpi mailbox command to initialize | |
2537 | * VPI for the vport. | |
2538 | */ | |
2539 | void | |
2540 | lpfc_issue_init_vpi(struct lpfc_vport *vport) | |
2541 | { | |
2542 | LPFC_MBOXQ_t *mboxq; | |
2543 | int rc; | |
2544 | ||
2545 | mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL); | |
2546 | if (!mboxq) { | |
2547 | lpfc_printf_vlog(vport, KERN_ERR, | |
2548 | LOG_MBOX, "2607 Failed to allocate " | |
2549 | "init_vpi mailbox\n"); | |
2550 | return; | |
2551 | } | |
2552 | lpfc_init_vpi(vport->phba, mboxq, vport->vpi); | |
2553 | mboxq->vport = vport; | |
2554 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
2555 | rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT); | |
2556 | if (rc == MBX_NOT_FINISHED) { | |
2557 | lpfc_printf_vlog(vport, KERN_ERR, | |
2558 | LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n"); | |
2559 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2560 | } | |
2561 | } | |
2562 | ||
6fb120a7 JS |
2563 | /** |
2564 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
2565 | * @phba: pointer to lpfc hba data structure. | |
2566 | * | |
2567 | * This function loops through the list of vports on the @phba and issues an | |
2568 | * FDISC if possible. | |
2569 | */ | |
2570 | void | |
2571 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
2572 | { | |
2573 | struct lpfc_vport **vports; | |
2574 | int i; | |
2575 | ||
2576 | vports = lpfc_create_vport_work_array(phba); | |
2577 | if (vports != NULL) { | |
2578 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2579 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
2580 | continue; | |
2581 | /* There are no vpi for this vport */ | |
2582 | if (vports[i]->vpi > phba->max_vpi) { | |
2583 | lpfc_vport_set_state(vports[i], | |
2584 | FC_VPORT_FAILED); | |
2585 | continue; | |
2586 | } | |
76a95d75 | 2587 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
6fb120a7 JS |
2588 | lpfc_vport_set_state(vports[i], |
2589 | FC_VPORT_LINKDOWN); | |
2590 | continue; | |
2591 | } | |
1c6834a7 | 2592 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
ecfd03c6 | 2593 | lpfc_issue_init_vpi(vports[i]); |
1c6834a7 JS |
2594 | continue; |
2595 | } | |
6fb120a7 JS |
2596 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2597 | lpfc_initial_fdisc(vports[i]); | |
2598 | else { | |
2599 | lpfc_vport_set_state(vports[i], | |
2600 | FC_VPORT_NO_FABRIC_SUPP); | |
2601 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
2602 | LOG_ELS, | |
2603 | "0259 No NPIV " | |
2604 | "Fabric support\n"); | |
2605 | } | |
2606 | } | |
2607 | } | |
2608 | lpfc_destroy_vport_work_array(phba, vports); | |
2609 | } | |
2610 | ||
2611 | void | |
2612 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2613 | { | |
2614 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
2615 | struct lpfc_vport *vport = mboxq->vport; | |
72100cc4 | 2616 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
2617 | |
2618 | if (mboxq->u.mb.mbxStatus) { | |
2619 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
2620 | "2018 REG_VFI mbxStatus error x%x " | |
2621 | "HBA state x%x\n", | |
2622 | mboxq->u.mb.mbxStatus, vport->port_state); | |
76a95d75 | 2623 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
6fb120a7 JS |
2624 | /* FLOGI failed, use loop map to make discovery list */ |
2625 | lpfc_disc_list_loopmap(vport); | |
2626 | /* Start discovery */ | |
2627 | lpfc_disc_start(vport); | |
2628 | goto fail_free_mem; | |
2629 | } | |
2630 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2631 | goto fail_free_mem; | |
2632 | } | |
c868595d | 2633 | /* The VPI is implicitly registered when the VFI is registered */ |
72100cc4 | 2634 | spin_lock_irq(shost->host_lock); |
c868595d | 2635 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2636 | vport->fc_flag |= FC_VFI_REGISTERED; |
695a814e | 2637 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2638 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
2639 | |
2640 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { | |
76a95d75 JS |
2641 | /* For private loop just start discovery and we are done. */ |
2642 | if ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
2643 | (phba->alpa_map[0] == 0) && | |
2644 | !(vport->fc_flag & FC_PUBLIC_LOOP)) { | |
2645 | /* Use loop map to make discovery list */ | |
2646 | lpfc_disc_list_loopmap(vport); | |
2647 | /* Start discovery */ | |
2648 | lpfc_disc_start(vport); | |
2649 | } else { | |
2650 | lpfc_start_fdiscs(phba); | |
2651 | lpfc_do_scr_ns_plogi(phba, vport); | |
2652 | } | |
6fb120a7 JS |
2653 | } |
2654 | ||
2655 | fail_free_mem: | |
2656 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2657 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2658 | kfree(dmabuf); | |
2659 | return; | |
2660 | } | |
2661 | ||
dea3101e | 2662 | static void |
2e0fef85 | 2663 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2664 | { |
6fb120a7 | 2665 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2666 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 2667 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2668 | |
2669 | ||
2670 | /* Check for error */ | |
2671 | if (mb->mbxStatus) { | |
2672 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
2673 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2674 | "0319 READ_SPARAM mbxStatus error x%x " | |
2675 | "hba state x%x>\n", | |
2676 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2677 | lpfc_linkdown(phba); |
dea3101e | 2678 | goto out; |
2679 | } | |
2680 | ||
2e0fef85 | 2681 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 2682 | sizeof (struct serv_parm)); |
a12e07bc | 2683 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
2684 | u64_to_wwn(phba->cfg_soft_wwnn, |
2685 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 2686 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
2687 | u64_to_wwn(phba->cfg_soft_wwpn, |
2688 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
2689 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
2690 | sizeof(vport->fc_nodename)); | |
2691 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
2692 | sizeof(vport->fc_portname)); | |
2693 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2694 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
2695 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
2696 | } | |
2697 | ||
dea3101e | 2698 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2699 | kfree(mp); | |
2e0fef85 | 2700 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2701 | return; |
2702 | ||
2703 | out: | |
2704 | pmb->context1 = NULL; | |
2705 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2706 | kfree(mp); | |
92d7f7b0 JS |
2707 | lpfc_issue_clear_la(phba, vport); |
2708 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2709 | return; |
2710 | } | |
2711 | ||
2712 | static void | |
76a95d75 | 2713 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) |
dea3101e | 2714 | { |
92d7f7b0 | 2715 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 2716 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
2e0fef85 | 2717 | int i; |
14691150 JS |
2718 | struct lpfc_dmabuf *mp; |
2719 | int rc; | |
6fb120a7 | 2720 | struct fcf_record *fcf_record; |
14691150 | 2721 | |
92d7f7b0 | 2722 | spin_lock_irq(&phba->hbalock); |
76a95d75 JS |
2723 | switch (bf_get(lpfc_mbx_read_top_link_spd, la)) { |
2724 | case LPFC_LINK_SPEED_1GHZ: | |
2725 | case LPFC_LINK_SPEED_2GHZ: | |
2726 | case LPFC_LINK_SPEED_4GHZ: | |
2727 | case LPFC_LINK_SPEED_8GHZ: | |
2728 | case LPFC_LINK_SPEED_10GHZ: | |
2729 | case LPFC_LINK_SPEED_16GHZ: | |
2730 | phba->fc_linkspeed = bf_get(lpfc_mbx_read_top_link_spd, la); | |
f4b4c68f | 2731 | break; |
92d7f7b0 | 2732 | default: |
76a95d75 | 2733 | phba->fc_linkspeed = LPFC_LINK_SPEED_UNKNOWN; |
92d7f7b0 | 2734 | break; |
dea3101e | 2735 | } |
2736 | ||
76a95d75 | 2737 | phba->fc_topology = bf_get(lpfc_mbx_read_top_topology, la); |
92d7f7b0 | 2738 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 2739 | |
76a95d75 | 2740 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 | 2741 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 2742 | |
6a9c52cf JS |
2743 | /* if npiv is enabled and this adapter supports npiv log |
2744 | * a message that npiv is not supported in this topology | |
2745 | */ | |
2746 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
2747 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
2748 | "1309 Link Up Event npiv not supported in loop " | |
2749 | "topology\n"); | |
92d7f7b0 | 2750 | /* Get Loop Map information */ |
76a95d75 | 2751 | if (bf_get(lpfc_mbx_read_top_il, la)) |
2e0fef85 | 2752 | vport->fc_flag |= FC_LBIT; |
dea3101e | 2753 | |
76a95d75 JS |
2754 | vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la); |
2755 | i = la->lilpBde64.tus.f.bdeSize; | |
dea3101e | 2756 | |
2757 | if (i == 0) { | |
2758 | phba->alpa_map[0] = 0; | |
2759 | } else { | |
e8b62011 | 2760 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 2761 | int numalpa, j, k; |
2762 | union { | |
2763 | uint8_t pamap[16]; | |
2764 | struct { | |
2765 | uint32_t wd1; | |
2766 | uint32_t wd2; | |
2767 | uint32_t wd3; | |
2768 | uint32_t wd4; | |
2769 | } pa; | |
2770 | } un; | |
2771 | numalpa = phba->alpa_map[0]; | |
2772 | j = 0; | |
2773 | while (j < numalpa) { | |
2774 | memset(un.pamap, 0, 16); | |
2775 | for (k = 1; j < numalpa; k++) { | |
2776 | un.pamap[k - 1] = | |
2777 | phba->alpa_map[j + 1]; | |
2778 | j++; | |
2779 | if (k == 16) | |
2780 | break; | |
2781 | } | |
2782 | /* Link Up Event ALPA map */ | |
2783 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
2784 | KERN_WARNING, |
2785 | LOG_LINK_EVENT, | |
e8b62011 | 2786 | "1304 Link Up Event " |
92d7f7b0 JS |
2787 | "ALPA map Data: x%x " |
2788 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
2789 | un.pa.wd1, un.pa.wd2, |
2790 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 2791 | } |
2792 | } | |
2793 | } | |
2794 | } else { | |
92d7f7b0 | 2795 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 2796 | if (phba->max_vpi && phba->cfg_enable_npiv && |
92d7f7b0 JS |
2797 | (phba->sli_rev == 3)) |
2798 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
2799 | } | |
2e0fef85 JS |
2800 | vport->fc_myDID = phba->fc_pref_DID; |
2801 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 2802 | } |
92d7f7b0 | 2803 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2804 | |
2805 | lpfc_linkup(phba); | |
9f1177a3 JS |
2806 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2807 | if (!sparam_mbox) | |
2808 | goto out; | |
2809 | ||
2810 | rc = lpfc_read_sparam(phba, sparam_mbox, 0); | |
2811 | if (rc) { | |
2812 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2813 | goto out; | |
2814 | } | |
2815 | sparam_mbox->vport = vport; | |
2816 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
2817 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); | |
2818 | if (rc == MBX_NOT_FINISHED) { | |
2819 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
2820 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2821 | kfree(mp); | |
2822 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2823 | goto out; | |
dea3101e | 2824 | } |
2825 | ||
76a95d75 | 2826 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
6fb120a7 JS |
2827 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2828 | if (!cfglink_mbox) | |
2829 | goto out; | |
2e0fef85 | 2830 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 2831 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 2832 | cfglink_mbox->vport = vport; |
25594c6b | 2833 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 2834 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
2835 | if (rc == MBX_NOT_FINISHED) { |
2836 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
2837 | goto out; | |
2838 | } | |
2839 | } else { | |
32b9793f | 2840 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
2841 | /* |
2842 | * Add the driver's default FCF record at FCF index 0 now. This | |
2843 | * is phase 1 implementation that support FCF index 0 and driver | |
2844 | * defaults. | |
2845 | */ | |
45ed1190 | 2846 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
2847 | fcf_record = kzalloc(sizeof(struct fcf_record), |
2848 | GFP_KERNEL); | |
2849 | if (unlikely(!fcf_record)) { | |
2850 | lpfc_printf_log(phba, KERN_ERR, | |
2851 | LOG_MBOX | LOG_SLI, | |
2852 | "2554 Could not allocate memmory for " | |
2853 | "fcf record\n"); | |
2854 | rc = -ENODEV; | |
2855 | goto out; | |
2856 | } | |
2857 | ||
2858 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
2859 | LPFC_FCOE_FCF_DEF_INDEX); | |
2860 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
2861 | if (unlikely(rc)) { | |
2862 | lpfc_printf_log(phba, KERN_ERR, | |
2863 | LOG_MBOX | LOG_SLI, | |
2864 | "2013 Could not manually add FCF " | |
2865 | "record 0, status %d\n", rc); | |
2866 | rc = -ENODEV; | |
2867 | kfree(fcf_record); | |
2868 | goto out; | |
2869 | } | |
2870 | kfree(fcf_record); | |
2871 | } | |
2872 | /* | |
2873 | * The driver is expected to do FIP/FCF. Call the port | |
2874 | * and get the FCF Table. | |
2875 | */ | |
32b9793f | 2876 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 2877 | if (phba->hba_flag & FCF_TS_INPROG) { |
32b9793f JS |
2878 | spin_unlock_irq(&phba->hbalock); |
2879 | return; | |
2880 | } | |
0c9ab6f5 JS |
2881 | /* This is the initial FCF discovery scan */ |
2882 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
32b9793f | 2883 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
2884 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
2885 | "2778 Start FCF table scan at linkup\n"); | |
0c9ab6f5 JS |
2886 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
2887 | LPFC_FCOE_FCF_GET_FIRST); | |
2888 | if (rc) { | |
2889 | spin_lock_irq(&phba->hbalock); | |
2890 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
2891 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 2892 | goto out; |
0c9ab6f5 | 2893 | } |
38b92ef8 JS |
2894 | /* Reset FCF roundrobin bmask for new discovery */ |
2895 | memset(phba->fcf.fcf_rr_bmask, 0, | |
2896 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
dea3101e | 2897 | } |
6fb120a7 JS |
2898 | |
2899 | return; | |
92d7f7b0 JS |
2900 | out: |
2901 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
2902 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2903 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
2904 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
2905 | lpfc_issue_clear_la(phba, vport); |
2906 | return; | |
dea3101e | 2907 | } |
2908 | ||
2909 | static void | |
84774a4d | 2910 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 2911 | { |
dea3101e | 2912 | uint32_t control; |
2913 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 2914 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2915 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
2916 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
2917 | control = readl(phba->HCregaddr); | |
2918 | control |= HC_LAINT_ENA; | |
2919 | writel(control, phba->HCregaddr); | |
2920 | readl(phba->HCregaddr); /* flush */ | |
2921 | } | |
2e0fef85 | 2922 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2923 | } |
2924 | ||
84774a4d JS |
2925 | static void |
2926 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
2927 | { | |
2928 | lpfc_linkdown(phba); | |
2929 | lpfc_enable_la(phba); | |
6fb120a7 | 2930 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
2931 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
2932 | } | |
2933 | ||
2934 | ||
dea3101e | 2935 | /* |
76a95d75 | 2936 | * This routine handles processing a READ_TOPOLOGY mailbox |
dea3101e | 2937 | * command upon completion. It is setup in the LPFC_MBOXQ |
2938 | * as the completion routine when the command is | |
2939 | * handed off to the SLI layer. | |
2940 | */ | |
2941 | void | |
76a95d75 | 2942 | lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2943 | { |
2e0fef85 JS |
2944 | struct lpfc_vport *vport = pmb->vport; |
2945 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
76a95d75 | 2946 | struct lpfc_mbx_read_top *la; |
04c68496 | 2947 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2948 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2949 | ||
0d2b6b83 JS |
2950 | /* Unblock ELS traffic */ |
2951 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e | 2952 | /* Check for error */ |
2953 | if (mb->mbxStatus) { | |
ed957684 | 2954 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
2955 | "1307 READ_LA mbox error x%x state x%x\n", |
2956 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2957 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 2958 | phba->link_state = LPFC_HBA_ERROR; |
76a95d75 | 2959 | goto lpfc_mbx_cmpl_read_topology_free_mbuf; |
dea3101e | 2960 | } |
2961 | ||
76a95d75 | 2962 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; |
dea3101e | 2963 | |
2964 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
2965 | ||
2e0fef85 | 2966 | spin_lock_irq(shost->host_lock); |
76a95d75 | 2967 | if (bf_get(lpfc_mbx_read_top_pb, la)) |
2e0fef85 | 2968 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 2969 | else |
2e0fef85 JS |
2970 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
2971 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 2972 | |
0c287589 | 2973 | if ((phba->fc_eventTag < la->eventTag) || |
92d7f7b0 | 2974 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 2975 | phba->fc_stat.LinkMultiEvent++; |
76a95d75 | 2976 | if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) |
dea3101e | 2977 | if (phba->fc_eventTag != 0) |
2978 | lpfc_linkdown(phba); | |
92d7f7b0 | 2979 | } |
dea3101e | 2980 | |
2981 | phba->fc_eventTag = la->eventTag; | |
72100cc4 | 2982 | spin_lock_irq(&phba->hbalock); |
76a95d75 | 2983 | if (bf_get(lpfc_mbx_read_top_mm, la)) |
84774a4d JS |
2984 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; |
2985 | else | |
2986 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
72100cc4 | 2987 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2988 | |
4d9ab994 | 2989 | phba->link_events++; |
76a95d75 JS |
2990 | if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) && |
2991 | (!bf_get(lpfc_mbx_read_top_mm, la))) { | |
dea3101e | 2992 | phba->fc_stat.LinkUp++; |
2e0fef85 | 2993 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 2994 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
2995 | "1306 Link Up Event in loop back mode " |
2996 | "x%x received Data: x%x x%x x%x x%x\n", | |
2997 | la->eventTag, phba->fc_eventTag, | |
76a95d75 JS |
2998 | bf_get(lpfc_mbx_read_top_alpa_granted, |
2999 | la), | |
3000 | bf_get(lpfc_mbx_read_top_link_spd, la), | |
e8b62011 | 3001 | phba->alpa_map[0]); |
5b8bd0c9 JS |
3002 | } else { |
3003 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 3004 | "1303 Link Up Event x%x received " |
84774a4d | 3005 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 | 3006 | la->eventTag, phba->fc_eventTag, |
76a95d75 JS |
3007 | bf_get(lpfc_mbx_read_top_alpa_granted, |
3008 | la), | |
3009 | bf_get(lpfc_mbx_read_top_link_spd, la), | |
84774a4d | 3010 | phba->alpa_map[0], |
76a95d75 JS |
3011 | bf_get(lpfc_mbx_read_top_mm, la), |
3012 | bf_get(lpfc_mbx_read_top_fa, la), | |
84774a4d | 3013 | phba->wait_4_mlo_maint_flg); |
5b8bd0c9 | 3014 | } |
92d7f7b0 | 3015 | lpfc_mbx_process_link_up(phba, la); |
76a95d75 JS |
3016 | } else if (bf_get(lpfc_mbx_read_top_att_type, la) == |
3017 | LPFC_ATT_LINK_DOWN) { | |
dea3101e | 3018 | phba->fc_stat.LinkDown++; |
3163f725 JS |
3019 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3020 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3021 | "1308 Link Down Event in loop back mode " | |
3022 | "x%x received " | |
3023 | "Data: x%x x%x x%x\n", | |
3024 | la->eventTag, phba->fc_eventTag, | |
3025 | phba->pport->port_state, vport->fc_flag); | |
3026 | } | |
3027 | else { | |
3028 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 3029 | "1305 Link Down Event x%x received " |
84774a4d JS |
3030 | "Data: x%x x%x x%x x%x x%x\n", |
3031 | la->eventTag, phba->fc_eventTag, | |
3032 | phba->pport->port_state, vport->fc_flag, | |
76a95d75 JS |
3033 | bf_get(lpfc_mbx_read_top_mm, la), |
3034 | bf_get(lpfc_mbx_read_top_fa, la)); | |
84774a4d JS |
3035 | } |
3036 | lpfc_mbx_issue_link_down(phba); | |
3037 | } | |
76a95d75 JS |
3038 | if ((bf_get(lpfc_mbx_read_top_mm, la)) && |
3039 | (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)) { | |
84774a4d JS |
3040 | if (phba->link_state != LPFC_LINK_DOWN) { |
3041 | phba->fc_stat.LinkDown++; | |
3042 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3043 | "1312 Link Down Event x%x received " | |
dea3101e | 3044 | "Data: x%x x%x x%x\n", |
e8b62011 | 3045 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 3046 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
3047 | lpfc_mbx_issue_link_down(phba); |
3048 | } else | |
3049 | lpfc_enable_la(phba); | |
3050 | ||
3051 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3052 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
3053 | "Data: x%x x%x x%x\n", | |
3054 | la->eventTag, phba->fc_eventTag, | |
3055 | phba->pport->port_state, vport->fc_flag); | |
3056 | /* | |
3057 | * The cmnd that triggered this will be waiting for this | |
3058 | * signal. | |
3059 | */ | |
3060 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
3061 | if (phba->wait_4_mlo_maint_flg) { | |
3062 | phba->wait_4_mlo_maint_flg = 0; | |
3063 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 3064 | } |
84774a4d JS |
3065 | } |
3066 | ||
76a95d75 JS |
3067 | if (bf_get(lpfc_mbx_read_top_fa, la)) { |
3068 | if (bf_get(lpfc_mbx_read_top_mm, la)) | |
84774a4d JS |
3069 | lpfc_issue_clear_la(phba, vport); |
3070 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
76a95d75 JS |
3071 | "1311 fa %d\n", |
3072 | bf_get(lpfc_mbx_read_top_fa, la)); | |
dea3101e | 3073 | } |
3074 | ||
76a95d75 | 3075 | lpfc_mbx_cmpl_read_topology_free_mbuf: |
dea3101e | 3076 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3077 | kfree(mp); | |
3078 | mempool_free(pmb, phba->mbox_mem_pool); | |
3079 | return; | |
3080 | } | |
3081 | ||
3082 | /* | |
3083 | * This routine handles processing a REG_LOGIN mailbox | |
3084 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3085 | * as the completion routine when the command is | |
3086 | * handed off to the SLI layer. | |
3087 | */ | |
3088 | void | |
2e0fef85 | 3089 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3090 | { |
2e0fef85 | 3091 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 3092 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 3093 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
ffc95493 | 3094 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3095 | |
dea3101e | 3096 | pmb->context1 = NULL; |
d439d286 | 3097 | pmb->context2 = NULL; |
dea3101e | 3098 | |
ffc95493 JS |
3099 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
3100 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
3101 | ||
3102 | if (ndlp->nlp_flag & NLP_IGNR_REG_CMPL || | |
3103 | ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) { | |
3104 | /* We rcvd a rscn after issuing this | |
3105 | * mbox reg login, we may have cycled | |
3106 | * back through the state and be | |
3107 | * back at reg login state so this | |
3108 | * mbox needs to be ignored becase | |
3109 | * there is another reg login in | |
3110 | * proccess. | |
3111 | */ | |
3112 | spin_lock_irq(shost->host_lock); | |
3113 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
3114 | spin_unlock_irq(shost->host_lock); | |
3115 | if (phba->sli_rev == LPFC_SLI_REV4) | |
3116 | lpfc_sli4_free_rpi(phba, | |
3117 | pmb->u.mb.un.varRegLogin.rpi); | |
3118 | ||
3119 | } else | |
3120 | /* Good status, call state machine */ | |
3121 | lpfc_disc_state_machine(vport, ndlp, pmb, | |
3122 | NLP_EVT_CMPL_REG_LOGIN); | |
3123 | ||
dea3101e | 3124 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3125 | kfree(mp); | |
2e0fef85 | 3126 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
3127 | /* decrement the node reference count held for this callback |
3128 | * function. | |
3129 | */ | |
329f9bc7 | 3130 | lpfc_nlp_put(ndlp); |
dea3101e | 3131 | |
3132 | return; | |
3133 | } | |
3134 | ||
92d7f7b0 JS |
3135 | static void |
3136 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3137 | { | |
04c68496 | 3138 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
3139 | struct lpfc_vport *vport = pmb->vport; |
3140 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3141 | ||
3142 | switch (mb->mbxStatus) { | |
3143 | case 0x0011: | |
3144 | case 0x0020: | |
e8b62011 JS |
3145 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3146 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
3147 | mb->mbxStatus); | |
92d7f7b0 | 3148 | break; |
78730cfe JS |
3149 | /* If VPI is busy, reset the HBA */ |
3150 | case 0x9700: | |
3151 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3152 | "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n", | |
3153 | vport->vpi, mb->mbxStatus); | |
3154 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
3155 | lpfc_workq_post_event(phba, NULL, NULL, | |
3156 | LPFC_EVT_RESET_HBA); | |
92d7f7b0 | 3157 | } |
72100cc4 | 3158 | spin_lock_irq(shost->host_lock); |
c868595d | 3159 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 3160 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 3161 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
3162 | vport->unreg_vpi_cmpl = VPORT_OK; |
3163 | mempool_free(pmb, phba->mbox_mem_pool); | |
3164 | /* | |
3165 | * This shost reference might have been taken at the beginning of | |
3166 | * lpfc_vport_delete() | |
3167 | */ | |
1c6f4ef5 | 3168 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
3169 | scsi_host_put(shost); |
3170 | } | |
3171 | ||
d7c255b2 | 3172 | int |
92d7f7b0 JS |
3173 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
3174 | { | |
3175 | struct lpfc_hba *phba = vport->phba; | |
3176 | LPFC_MBOXQ_t *mbox; | |
3177 | int rc; | |
3178 | ||
3179 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3180 | if (!mbox) | |
d7c255b2 | 3181 | return 1; |
92d7f7b0 JS |
3182 | |
3183 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
3184 | mbox->vport = vport; | |
3185 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 3186 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 3187 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
3188 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3189 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
3190 | mempool_free(mbox, phba->mbox_mem_pool); |
3191 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 3192 | return rc; |
92d7f7b0 | 3193 | } |
d7c255b2 | 3194 | return 0; |
92d7f7b0 JS |
3195 | } |
3196 | ||
3197 | static void | |
3198 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3199 | { | |
3200 | struct lpfc_vport *vport = pmb->vport; | |
3201 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 3202 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
3203 | |
3204 | switch (mb->mbxStatus) { | |
3205 | case 0x0011: | |
3206 | case 0x9601: | |
3207 | case 0x9602: | |
e8b62011 JS |
3208 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3209 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
3210 | mb->mbxStatus); | |
92d7f7b0 JS |
3211 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
3212 | spin_lock_irq(shost->host_lock); | |
3213 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
3214 | spin_unlock_irq(shost->host_lock); | |
3215 | vport->fc_myDID = 0; | |
3216 | goto out; | |
3217 | } | |
92d7f7b0 | 3218 | |
72100cc4 | 3219 | spin_lock_irq(shost->host_lock); |
c868595d | 3220 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 3221 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 3222 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
3223 | vport->num_disc_nodes = 0; |
3224 | /* go thru NPR list and issue ELS PLOGIs */ | |
3225 | if (vport->fc_npr_cnt) | |
3226 | lpfc_els_disc_plogi(vport); | |
3227 | ||
3228 | if (!vport->num_disc_nodes) { | |
3229 | spin_lock_irq(shost->host_lock); | |
3230 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
3231 | spin_unlock_irq(shost->host_lock); | |
3232 | lpfc_can_disctmo(vport); | |
3233 | } | |
3234 | vport->port_state = LPFC_VPORT_READY; | |
3235 | ||
3236 | out: | |
3237 | mempool_free(pmb, phba->mbox_mem_pool); | |
3238 | return; | |
3239 | } | |
3240 | ||
21e9a0a5 JS |
3241 | /** |
3242 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
3243 | * @phba: pointer to lpfc hba data structure. | |
3244 | * | |
3245 | * This routine issue a DUMP mailbox command for config region 22 to get | |
3246 | * the list of static vports to be created. The function create vports | |
3247 | * based on the information returned from the HBA. | |
3248 | **/ | |
3249 | void | |
3250 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
3251 | { | |
3252 | LPFC_MBOXQ_t *pmb = NULL; | |
3253 | MAILBOX_t *mb; | |
3254 | struct static_vport_info *vport_info; | |
1c6834a7 | 3255 | int rc = 0, i; |
21e9a0a5 JS |
3256 | struct fc_vport_identifiers vport_id; |
3257 | struct fc_vport *new_fc_vport; | |
3258 | struct Scsi_Host *shost; | |
3259 | struct lpfc_vport *vport; | |
3260 | uint16_t offset = 0; | |
3261 | uint8_t *vport_buff; | |
1c6834a7 JS |
3262 | struct lpfc_dmabuf *mp; |
3263 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
3264 | |
3265 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3266 | if (!pmb) { | |
3267 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3268 | "0542 lpfc_create_static_vport failed to" | |
3269 | " allocate mailbox memory\n"); | |
3270 | return; | |
3271 | } | |
3272 | ||
3273 | mb = &pmb->u.mb; | |
3274 | ||
3275 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
3276 | if (!vport_info) { | |
3277 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3278 | "0543 lpfc_create_static_vport failed to" | |
3279 | " allocate vport_info\n"); | |
3280 | mempool_free(pmb, phba->mbox_mem_pool); | |
3281 | return; | |
3282 | } | |
3283 | ||
3284 | vport_buff = (uint8_t *) vport_info; | |
3285 | do { | |
1c6834a7 JS |
3286 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
3287 | goto out; | |
3288 | ||
21e9a0a5 JS |
3289 | pmb->vport = phba->pport; |
3290 | rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO); | |
3291 | ||
3292 | if ((rc != MBX_SUCCESS) || mb->mbxStatus) { | |
3293 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3294 | "0544 lpfc_create_static_vport failed to" | |
3295 | " issue dump mailbox command ret 0x%x " | |
3296 | "status 0x%x\n", | |
3297 | rc, mb->mbxStatus); | |
3298 | goto out; | |
3299 | } | |
3300 | ||
1c6834a7 JS |
3301 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3302 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
3303 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
3304 | if (byte_count > sizeof(struct static_vport_info) - | |
3305 | offset) | |
3306 | byte_count = sizeof(struct static_vport_info) | |
3307 | - offset; | |
3308 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
3309 | offset += byte_count; | |
3310 | } else { | |
3311 | if (mb->un.varDmp.word_cnt > | |
3312 | sizeof(struct static_vport_info) - offset) | |
3313 | mb->un.varDmp.word_cnt = | |
3314 | sizeof(struct static_vport_info) | |
3315 | - offset; | |
3316 | byte_count = mb->un.varDmp.word_cnt; | |
3317 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
3318 | vport_buff + offset, | |
3319 | byte_count); | |
3320 | ||
3321 | offset += byte_count; | |
3322 | } | |
21e9a0a5 | 3323 | |
1c6834a7 | 3324 | } while (byte_count && |
21e9a0a5 JS |
3325 | offset < sizeof(struct static_vport_info)); |
3326 | ||
3327 | ||
3328 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
3329 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
3330 | != VPORT_INFO_REV)) { | |
3331 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3332 | "0545 lpfc_create_static_vport bad" | |
3333 | " information header 0x%x 0x%x\n", | |
3334 | le32_to_cpu(vport_info->signature), | |
3335 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
3336 | ||
3337 | goto out; | |
3338 | } | |
3339 | ||
3340 | shost = lpfc_shost_from_vport(phba->pport); | |
3341 | ||
3342 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
3343 | memset(&vport_id, 0, sizeof(vport_id)); | |
3344 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
3345 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
3346 | if (!vport_id.port_name || !vport_id.node_name) | |
3347 | continue; | |
3348 | ||
3349 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
3350 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
3351 | vport_id.disable = false; | |
3352 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
3353 | ||
3354 | if (!new_fc_vport) { | |
3355 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3356 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 3357 | " create vport\n"); |
21e9a0a5 JS |
3358 | continue; |
3359 | } | |
3360 | ||
3361 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
3362 | vport->vport_flag |= STATIC_VPORT; | |
3363 | } | |
3364 | ||
3365 | out: | |
21e9a0a5 | 3366 | kfree(vport_info); |
1c6834a7 JS |
3367 | if (rc != MBX_TIMEOUT) { |
3368 | if (pmb->context2) { | |
3369 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
3370 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3371 | kfree(mp); | |
3372 | } | |
21e9a0a5 | 3373 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 3374 | } |
21e9a0a5 JS |
3375 | |
3376 | return; | |
3377 | } | |
3378 | ||
dea3101e | 3379 | /* |
3380 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
3381 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3382 | * as the completion routine when the command is | |
3383 | * handed off to the SLI layer. | |
3384 | */ | |
3385 | void | |
2e0fef85 | 3386 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3387 | { |
92d7f7b0 | 3388 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 3389 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 3390 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 3391 | struct lpfc_nodelist *ndlp; |
dea3101e | 3392 | |
549e55cd | 3393 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
3394 | pmb->context1 = NULL; |
3395 | pmb->context2 = NULL; | |
d439d286 | 3396 | |
dea3101e | 3397 | if (mb->mbxStatus) { |
21e9a0a5 JS |
3398 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
3399 | "0258 Register Fabric login error: 0x%x\n", | |
3400 | mb->mbxStatus); | |
dea3101e | 3401 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3402 | kfree(mp); | |
329f9bc7 | 3403 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3404 | |
76a95d75 | 3405 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
3406 | /* FLOGI failed, use loop map to make discovery list */ |
3407 | lpfc_disc_list_loopmap(vport); | |
3408 | ||
3409 | /* Start discovery */ | |
3410 | lpfc_disc_start(vport); | |
e47c9093 JS |
3411 | /* Decrement the reference count to ndlp after the |
3412 | * reference to the ndlp are done. | |
3413 | */ | |
3414 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
3415 | return; |
3416 | } | |
3417 | ||
3418 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
3419 | /* Decrement the reference count to ndlp after the reference |
3420 | * to the ndlp are done. | |
3421 | */ | |
3422 | lpfc_nlp_put(ndlp); | |
dea3101e | 3423 | return; |
3424 | } | |
3425 | ||
dea3101e | 3426 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3427 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3428 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3429 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3430 | |
2e0fef85 | 3431 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
4b40c59e JS |
3432 | /* when physical port receive logo donot start |
3433 | * vport discovery */ | |
3434 | if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) | |
3435 | lpfc_start_fdiscs(phba); | |
3436 | else | |
3437 | vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ; | |
92d7f7b0 | 3438 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 3439 | } |
3440 | ||
3441 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3442 | kfree(mp); | |
329f9bc7 | 3443 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
3444 | |
3445 | /* Drop the reference count from the mbox at the end after | |
3446 | * all the current reference to the ndlp have been done. | |
3447 | */ | |
3448 | lpfc_nlp_put(ndlp); | |
dea3101e | 3449 | return; |
3450 | } | |
3451 | ||
3452 | /* | |
3453 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
3454 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3455 | * as the completion routine when the command is | |
3456 | * handed off to the SLI layer. | |
3457 | */ | |
3458 | void | |
2e0fef85 | 3459 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3460 | { |
21e9a0a5 | 3461 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
3462 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3463 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3464 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 3465 | |
d439d286 JS |
3466 | pmb->context1 = NULL; |
3467 | pmb->context2 = NULL; | |
3468 | ||
dea3101e | 3469 | if (mb->mbxStatus) { |
92d7f7b0 | 3470 | out: |
21e9a0a5 JS |
3471 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3472 | "0260 Register NameServer error: 0x%x\n", | |
3473 | mb->mbxStatus); | |
fa4066b6 JS |
3474 | /* decrement the node reference count held for this |
3475 | * callback function. | |
3476 | */ | |
329f9bc7 | 3477 | lpfc_nlp_put(ndlp); |
dea3101e | 3478 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3479 | kfree(mp); | |
de0c5b32 | 3480 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
3481 | |
3482 | /* If no other thread is using the ndlp, free it */ | |
3483 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 3484 | |
76a95d75 | 3485 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
3486 | /* |
3487 | * RegLogin failed, use loop map to make discovery | |
3488 | * list | |
3489 | */ | |
3490 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 3491 | |
92d7f7b0 JS |
3492 | /* Start discovery */ |
3493 | lpfc_disc_start(vport); | |
3494 | return; | |
3495 | } | |
3496 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e | 3497 | return; |
3498 | } | |
3499 | ||
dea3101e | 3500 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3501 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3502 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3503 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3504 | |
2e0fef85 JS |
3505 | if (vport->port_state < LPFC_VPORT_READY) { |
3506 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
3507 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
3508 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
3509 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
3510 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3511 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
3512 | ||
3513 | /* Issue SCR just before NameServer GID_FT Query */ | |
3514 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 3515 | } |
3516 | ||
2e0fef85 | 3517 | vport->fc_ns_retry = 0; |
dea3101e | 3518 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 3519 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 3520 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 3521 | goto out; |
dea3101e | 3522 | } |
3523 | ||
fa4066b6 JS |
3524 | /* decrement the node reference count held for this |
3525 | * callback function. | |
3526 | */ | |
329f9bc7 | 3527 | lpfc_nlp_put(ndlp); |
dea3101e | 3528 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3529 | kfree(mp); | |
2e0fef85 | 3530 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3531 | |
3532 | return; | |
3533 | } | |
3534 | ||
3535 | static void | |
2e0fef85 | 3536 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3537 | { |
2e0fef85 JS |
3538 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3539 | struct fc_rport *rport; | |
dea3101e | 3540 | struct lpfc_rport_data *rdata; |
3541 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 3542 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3543 | |
3544 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
3545 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
3546 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 3547 | rport_ids.port_id = ndlp->nlp_DID; |
3548 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 3549 | |
329f9bc7 JS |
3550 | /* |
3551 | * We leave our node pointer in rport->dd_data when we unregister a | |
3552 | * FCP target port. But fc_remote_port_add zeros the space to which | |
3553 | * rport->dd_data points. So, if we're reusing a previously | |
3554 | * registered port, drop the reference that we took the last time we | |
3555 | * registered the port. | |
3556 | */ | |
3557 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 3558 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 3559 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
3560 | |
3561 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
3562 | "rport add: did:x%x flg:x%x type x%x", | |
3563 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3564 | ||
2e0fef85 | 3565 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 3566 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 3567 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
3568 | "Warning: fc_remote_port_add failed\n"); | |
3569 | return; | |
3570 | } | |
3571 | ||
3572 | /* initialize static port data */ | |
3573 | rport->maxframe_size = ndlp->nlp_maxframe; | |
3574 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 3575 | rdata = rport->dd_data; |
329f9bc7 | 3576 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
3577 | |
3578 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
3579 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
3580 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
3581 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
3582 | ||
3583 | ||
3584 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
3585 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
3586 | ||
071fbd3d | 3587 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 3588 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
3589 | ndlp->nlp_sid = rport->scsi_target_id; |
3590 | } | |
19a7b4ae JSEC |
3591 | return; |
3592 | } | |
3593 | ||
3594 | static void | |
2e0fef85 | 3595 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
3596 | { |
3597 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 3598 | |
858c9f6c JS |
3599 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
3600 | "rport delete: did:x%x flg:x%x type x%x", | |
3601 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3602 | ||
19a7b4ae | 3603 | fc_remote_port_delete(rport); |
dea3101e | 3604 | |
3605 | return; | |
3606 | } | |
3607 | ||
de0c5b32 | 3608 | static void |
2e0fef85 | 3609 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 3610 | { |
2e0fef85 JS |
3611 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3612 | ||
3613 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
3614 | switch (state) { |
3615 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 3616 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
3617 | break; |
3618 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 3619 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
3620 | break; |
3621 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 3622 | vport->fc_adisc_cnt += count; |
dea3101e | 3623 | break; |
de0c5b32 | 3624 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 3625 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
3626 | break; |
3627 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 3628 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
3629 | break; |
3630 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 3631 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
3632 | break; |
3633 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 3634 | vport->fc_map_cnt += count; |
de0c5b32 JS |
3635 | break; |
3636 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 3637 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
3638 | break; |
3639 | } | |
2e0fef85 | 3640 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 3641 | } |
66a9ed66 | 3642 | |
de0c5b32 | 3643 | static void |
2e0fef85 | 3644 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
3645 | int old_state, int new_state) |
3646 | { | |
2e0fef85 JS |
3647 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3648 | ||
de0c5b32 | 3649 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
de0c5b32 JS |
3650 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
3651 | ndlp->nlp_type |= NLP_FC_NODE; | |
3652 | } | |
3653 | if (new_state == NLP_STE_MAPPED_NODE) | |
3654 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3655 | if (new_state == NLP_STE_NPR_NODE) | |
3656 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
3657 | ||
3658 | /* Transport interface */ | |
3659 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
3660 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
3661 | vport->phba->nport_event_cnt++; |
3662 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 3663 | } |
dea3101e | 3664 | |
de0c5b32 JS |
3665 | if (new_state == NLP_STE_MAPPED_NODE || |
3666 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 3667 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
3668 | /* |
3669 | * Tell the fc transport about the port, if we haven't | |
3670 | * already. If we have, and it's a scsi entity, be | |
3671 | * sure to unblock any attached scsi devices | |
3672 | */ | |
3673 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 3674 | } |
ea2151b4 JS |
3675 | if ((new_state == NLP_STE_MAPPED_NODE) && |
3676 | (vport->stat_data_enabled)) { | |
3677 | /* | |
3678 | * A new target is discovered, if there is no buffer for | |
3679 | * statistical data collection allocate buffer. | |
3680 | */ | |
3681 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
3682 | sizeof(struct lpfc_scsicmd_bkt), | |
3683 | GFP_KERNEL); | |
3684 | ||
3685 | if (!ndlp->lat_data) | |
3686 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3687 | "0286 lpfc_nlp_state_cleanup failed to " | |
3688 | "allocate statistical data buffer DID " | |
3689 | "0x%x\n", ndlp->nlp_DID); | |
3690 | } | |
858c9f6c JS |
3691 | /* |
3692 | * if we added to Mapped list, but the remote port | |
3693 | * registration failed or assigned a target id outside | |
3694 | * our presentable range - move the node to the | |
3695 | * Unmapped List | |
3696 | */ | |
de0c5b32 JS |
3697 | if (new_state == NLP_STE_MAPPED_NODE && |
3698 | (!ndlp->rport || | |
3699 | ndlp->rport->scsi_target_id == -1 || | |
3700 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 3701 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 3702 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
3703 | spin_unlock_irq(shost->host_lock); |
3704 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 3705 | } |
de0c5b32 JS |
3706 | } |
3707 | ||
685f0bf7 JS |
3708 | static char * |
3709 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
3710 | { | |
3711 | static char *states[] = { | |
3712 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
3713 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
3714 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
3715 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
3716 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
3717 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
3718 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
3719 | [NLP_STE_NPR_NODE] = "NPR", | |
3720 | }; | |
3721 | ||
311464ec | 3722 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
3723 | strlcpy(buffer, states[state], size); |
3724 | else | |
3725 | snprintf(buffer, size, "unknown (%d)", state); | |
3726 | return buffer; | |
3727 | } | |
3728 | ||
de0c5b32 | 3729 | void |
2e0fef85 JS |
3730 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3731 | int state) | |
de0c5b32 | 3732 | { |
2e0fef85 | 3733 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 3734 | int old_state = ndlp->nlp_state; |
685f0bf7 | 3735 | char name1[16], name2[16]; |
de0c5b32 | 3736 | |
e8b62011 JS |
3737 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3738 | "0904 NPort state transition x%06x, %s -> %s\n", | |
3739 | ndlp->nlp_DID, | |
3740 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
3741 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
3742 | |
3743 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3744 | "node statechg did:x%x old:%d ste:%d", | |
3745 | ndlp->nlp_DID, old_state, state); | |
3746 | ||
de0c5b32 | 3747 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 3748 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 3749 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
3750 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
3751 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
3752 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
3753 | } | |
3754 | ||
685f0bf7 | 3755 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
3756 | spin_lock_irq(shost->host_lock); |
3757 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3758 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 3759 | } else if (old_state) |
2e0fef85 | 3760 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
3761 | |
3762 | ndlp->nlp_state = state; | |
2e0fef85 JS |
3763 | lpfc_nlp_counters(vport, state, 1); |
3764 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
3765 | } |
3766 | ||
e47c9093 JS |
3767 | void |
3768 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
3769 | { | |
3770 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3771 | ||
3772 | if (list_empty(&ndlp->nlp_listp)) { | |
3773 | spin_lock_irq(shost->host_lock); | |
3774 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3775 | spin_unlock_irq(shost->host_lock); | |
3776 | } | |
3777 | } | |
3778 | ||
de0c5b32 | 3779 | void |
2e0fef85 | 3780 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3781 | { |
2e0fef85 JS |
3782 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3783 | ||
0d2b6b83 | 3784 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 3785 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
3786 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
3787 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 3788 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 3789 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 3790 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
3791 | NLP_STE_UNUSED_NODE); |
3792 | } | |
3793 | ||
4d9db01e | 3794 | static void |
e47c9093 JS |
3795 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
3796 | { | |
0d2b6b83 | 3797 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
3798 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
3799 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
3800 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
3801 | NLP_STE_UNUSED_NODE); | |
3802 | } | |
109f6ed0 | 3803 | /** |
3621a710 | 3804 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
3805 | * @vport: Pointer to Virtual Port object. |
3806 | * @ndlp: Pointer to FC node object. | |
3807 | * @did: FC_ID of the node. | |
a257bf90 JS |
3808 | * |
3809 | * This function is always called when node object need to be initialized. | |
3810 | * It initializes all the fields of the node object. Although the reference | |
3811 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
3812 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
3813 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
3814 | * the final release of ndlp is determined by its reference count. And, the | |
3815 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
3816 | **/ |
3817 | static inline void | |
3818 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3819 | uint32_t did) | |
3820 | { | |
3821 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
3822 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
3823 | init_timer(&ndlp->nlp_delayfunc); | |
3824 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
3825 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
3826 | ndlp->nlp_DID = did; | |
3827 | ndlp->vport = vport; | |
a257bf90 | 3828 | ndlp->phba = vport->phba; |
109f6ed0 JS |
3829 | ndlp->nlp_sid = NLP_NO_SID; |
3830 | kref_init(&ndlp->kref); | |
3831 | NLP_INT_NODE_ACT(ndlp); | |
3832 | atomic_set(&ndlp->cmd_pending, 0); | |
7dc517df | 3833 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
109f6ed0 | 3834 | } |
e47c9093 JS |
3835 | |
3836 | struct lpfc_nodelist * | |
3837 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3838 | int state) | |
3839 | { | |
3840 | struct lpfc_hba *phba = vport->phba; | |
3841 | uint32_t did; | |
3842 | unsigned long flags; | |
3843 | ||
3844 | if (!ndlp) | |
3845 | return NULL; | |
3846 | ||
3847 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
3848 | /* The ndlp should not be in memory free mode */ | |
3849 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
3850 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3851 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3852 | "0277 lpfc_enable_node: ndlp:x%p " | |
3853 | "usgmap:x%x refcnt:%d\n", | |
3854 | (void *)ndlp, ndlp->nlp_usg_map, | |
3855 | atomic_read(&ndlp->kref.refcount)); | |
3856 | return NULL; | |
3857 | } | |
3858 | /* The ndlp should not already be in active mode */ | |
3859 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
3860 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3861 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3862 | "0278 lpfc_enable_node: ndlp:x%p " | |
3863 | "usgmap:x%x refcnt:%d\n", | |
3864 | (void *)ndlp, ndlp->nlp_usg_map, | |
3865 | atomic_read(&ndlp->kref.refcount)); | |
3866 | return NULL; | |
3867 | } | |
3868 | ||
3869 | /* Keep the original DID */ | |
3870 | did = ndlp->nlp_DID; | |
3871 | ||
3872 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
3873 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
3874 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 3875 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
3876 | |
3877 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3878 | ||
3879 | if (state != NLP_STE_UNUSED_NODE) | |
3880 | lpfc_nlp_set_state(vport, ndlp, state); | |
3881 | ||
3882 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3883 | "node enable: did:x%x", | |
3884 | ndlp->nlp_DID, 0, 0); | |
3885 | return ndlp; | |
de0c5b32 JS |
3886 | } |
3887 | ||
3888 | void | |
2e0fef85 | 3889 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3890 | { |
87af33fe | 3891 | /* |
fa4066b6 | 3892 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 3893 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
3894 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
3895 | * until ALL other outstanding threads have completed. We check | |
3896 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 3897 | */ |
fa4066b6 JS |
3898 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3899 | return; | |
51ef4c26 | 3900 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
87af33fe | 3901 | lpfc_nlp_put(ndlp); |
98c9ea5c | 3902 | return; |
dea3101e | 3903 | } |
3904 | ||
3905 | /* | |
3906 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
3907 | */ | |
3908 | void | |
2e0fef85 | 3909 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 3910 | { |
2e0fef85 JS |
3911 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3912 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3913 | uint32_t tmo; |
3914 | ||
2e0fef85 | 3915 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 3916 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
3917 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
3918 | } else { | |
025dfdaf | 3919 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
3920 | * FC spec states we need 3 * ratov for CT requests |
3921 | */ | |
3922 | tmo = ((phba->fc_ratov * 3) + 3); | |
3923 | } | |
dea3101e | 3924 | |
858c9f6c JS |
3925 | |
3926 | if (!timer_pending(&vport->fc_disctmo)) { | |
3927 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
3928 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
3929 | tmo, vport->port_state, vport->fc_flag); | |
3930 | } | |
3931 | ||
2e0fef85 JS |
3932 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
3933 | spin_lock_irq(shost->host_lock); | |
3934 | vport->fc_flag |= FC_DISC_TMO; | |
3935 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3936 | |
3937 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3938 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3939 | "0247 Start Discovery Timer state x%x " | |
3940 | "Data: x%x x%lx x%x x%x\n", | |
3941 | vport->port_state, tmo, | |
3942 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
3943 | vport->fc_adisc_cnt); | |
dea3101e | 3944 | |
3945 | return; | |
3946 | } | |
3947 | ||
3948 | /* | |
3949 | * Cancel rescue timer for Discovery / RSCN handling | |
3950 | */ | |
3951 | int | |
2e0fef85 | 3952 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 3953 | { |
2e0fef85 | 3954 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
3955 | unsigned long iflags; |
3956 | ||
858c9f6c JS |
3957 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3958 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
3959 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
3960 | ||
dea3101e | 3961 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
3962 | if (vport->fc_flag & FC_DISC_TMO) { |
3963 | spin_lock_irqsave(shost->host_lock, iflags); | |
3964 | vport->fc_flag &= ~FC_DISC_TMO; | |
3965 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
3966 | del_timer_sync(&vport->fc_disctmo); | |
3967 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
3968 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
3969 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 3970 | } |
3971 | ||
3972 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3973 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3974 | "0248 Cancel Discovery Timer state x%x " | |
3975 | "Data: x%x x%x x%x\n", | |
3976 | vport->port_state, vport->fc_flag, | |
3977 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 3978 | return 0; |
dea3101e | 3979 | } |
3980 | ||
3981 | /* | |
3982 | * Check specified ring for outstanding IOCB on the SLI queue | |
3983 | * Return true if iocb matches the specified nport | |
3984 | */ | |
3985 | int | |
2e0fef85 JS |
3986 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
3987 | struct lpfc_sli_ring *pring, | |
3988 | struct lpfc_iocbq *iocb, | |
3989 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3990 | { |
2e0fef85 JS |
3991 | struct lpfc_sli *psli = &phba->sli; |
3992 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
3993 | struct lpfc_vport *vport = ndlp->vport; |
3994 | ||
3995 | if (iocb->vport != vport) | |
3996 | return 0; | |
3997 | ||
dea3101e | 3998 | if (pring->ringno == LPFC_ELS_RING) { |
3999 | switch (icmd->ulpCommand) { | |
4000 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 4001 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 4002 | return 1; |
dea3101e | 4003 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
4004 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
4005 | return 1; | |
dea3101e | 4006 | case CMD_XMIT_ELS_RSP64_CX: |
4007 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 4008 | return 1; |
dea3101e | 4009 | } |
a4bc3379 | 4010 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 4011 | |
4012 | } else if (pring->ringno == psli->fcp_ring) { | |
4013 | /* Skip match check if waiting to relogin to FCP target */ | |
4014 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 4015 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 4016 | return 0; |
dea3101e | 4017 | } |
4018 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 4019 | return 1; |
dea3101e | 4020 | } |
4021 | } else if (pring->ringno == psli->next_ring) { | |
4022 | ||
4023 | } | |
2fe165b6 | 4024 | return 0; |
dea3101e | 4025 | } |
4026 | ||
4027 | /* | |
4028 | * Free resources / clean up outstanding I/Os | |
4029 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
4030 | */ | |
4031 | static int | |
2e0fef85 | 4032 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4033 | { |
2534ba75 | 4034 | LIST_HEAD(completions); |
dea3101e | 4035 | struct lpfc_sli *psli; |
4036 | struct lpfc_sli_ring *pring; | |
4037 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 4038 | uint32_t i; |
dea3101e | 4039 | |
92d7f7b0 JS |
4040 | lpfc_fabric_abort_nport(ndlp); |
4041 | ||
dea3101e | 4042 | /* |
4043 | * Everything that matches on txcmplq will be returned | |
4044 | * by firmware with a no rpi error. | |
4045 | */ | |
4046 | psli = &phba->sli; | |
21e9a0a5 | 4047 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
dea3101e | 4048 | /* Now process each ring */ |
4049 | for (i = 0; i < psli->num_rings; i++) { | |
4050 | pring = &psli->ring[i]; | |
4051 | ||
2e0fef85 | 4052 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4053 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 4054 | list) { |
dea3101e | 4055 | /* |
4056 | * Check to see if iocb matches the nport we are | |
4057 | * looking for | |
4058 | */ | |
92d7f7b0 JS |
4059 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
4060 | ndlp))) { | |
dea3101e | 4061 | /* It matches, so deque and call compl |
4062 | with an error */ | |
2534ba75 JS |
4063 | list_move_tail(&iocb->list, |
4064 | &completions); | |
dea3101e | 4065 | pring->txq_cnt--; |
dea3101e | 4066 | } |
4067 | } | |
2e0fef85 | 4068 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4069 | } |
4070 | } | |
2534ba75 | 4071 | |
a257bf90 JS |
4072 | /* Cancel all the IOCBs from the completions list */ |
4073 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4074 | IOERR_SLI_ABORTED); | |
2534ba75 | 4075 | |
2fe165b6 | 4076 | return 0; |
dea3101e | 4077 | } |
4078 | ||
4079 | /* | |
4080 | * Free rpi associated with LPFC_NODELIST entry. | |
4081 | * This routine is called from lpfc_freenode(), when we are removing | |
4082 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
4083 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
4084 | * to the remote NPort. In addition, it is called after we receive | |
4085 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
4086 | * we are waiting to PLOGI back to the remote NPort. | |
4087 | */ | |
4088 | int | |
2e0fef85 | 4089 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4090 | { |
2e0fef85 JS |
4091 | struct lpfc_hba *phba = vport->phba; |
4092 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 4093 | int rc; |
4094 | ||
21e9a0a5 | 4095 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
2e0fef85 JS |
4096 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4097 | if (mbox) { | |
92d7f7b0 | 4098 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 4099 | mbox->vport = vport; |
92d7f7b0 | 4100 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4101 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 4102 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 4103 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 4104 | } |
dea3101e | 4105 | lpfc_no_rpi(phba, ndlp); |
d7c47992 | 4106 | |
dea3101e | 4107 | ndlp->nlp_rpi = 0; |
21e9a0a5 | 4108 | ndlp->nlp_flag &= ~NLP_RPI_VALID; |
0c287589 | 4109 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 4110 | return 1; |
4111 | } | |
4112 | return 0; | |
4113 | } | |
4114 | ||
ecfd03c6 JS |
4115 | /** |
4116 | * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba. | |
4117 | * @phba: pointer to lpfc hba data structure. | |
4118 | * | |
4119 | * This routine is invoked to unregister all the currently registered RPIs | |
4120 | * to the HBA. | |
4121 | **/ | |
4122 | void | |
4123 | lpfc_unreg_hba_rpis(struct lpfc_hba *phba) | |
4124 | { | |
4125 | struct lpfc_vport **vports; | |
4126 | struct lpfc_nodelist *ndlp; | |
4127 | struct Scsi_Host *shost; | |
4128 | int i; | |
4129 | ||
4130 | vports = lpfc_create_vport_work_array(phba); | |
63e801ce JS |
4131 | if (!vports) { |
4132 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
4133 | "2884 Vport array allocation failed \n"); | |
4134 | return; | |
4135 | } | |
ecfd03c6 JS |
4136 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
4137 | shost = lpfc_shost_from_vport(vports[i]); | |
4138 | spin_lock_irq(shost->host_lock); | |
4139 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
0c9ab6f5 JS |
4140 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
4141 | /* The mempool_alloc might sleep */ | |
4142 | spin_unlock_irq(shost->host_lock); | |
ecfd03c6 | 4143 | lpfc_unreg_rpi(vports[i], ndlp); |
0c9ab6f5 JS |
4144 | spin_lock_irq(shost->host_lock); |
4145 | } | |
ecfd03c6 JS |
4146 | } |
4147 | spin_unlock_irq(shost->host_lock); | |
4148 | } | |
4149 | lpfc_destroy_vport_work_array(phba, vports); | |
4150 | } | |
4151 | ||
92d7f7b0 JS |
4152 | void |
4153 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
4154 | { | |
4155 | struct lpfc_hba *phba = vport->phba; | |
4156 | LPFC_MBOXQ_t *mbox; | |
4157 | int rc; | |
4158 | ||
5af5eee7 JS |
4159 | if (phba->sli_rev == LPFC_SLI_REV4) { |
4160 | lpfc_sli4_unreg_all_rpis(vport); | |
4161 | return; | |
4162 | } | |
4163 | ||
92d7f7b0 JS |
4164 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4165 | if (mbox) { | |
4166 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
4167 | mbox->vport = vport; | |
4168 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
4169 | mbox->context1 = NULL; |
4170 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 4171 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4172 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
4173 | |
4174 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
4175 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
4176 | "1836 Could not issue " | |
4177 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
4178 | } |
4179 | } | |
4180 | ||
4181 | void | |
4182 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
4183 | { | |
4184 | struct lpfc_hba *phba = vport->phba; | |
4185 | LPFC_MBOXQ_t *mbox; | |
4186 | int rc; | |
4187 | ||
4188 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4189 | if (mbox) { | |
4190 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
4191 | mbox->vport = vport; | |
4192 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
4193 | mbox->context1 = NULL; |
4194 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
4195 | if (rc != MBX_TIMEOUT) |
4196 | mempool_free(mbox, phba->mbox_mem_pool); | |
4197 | ||
4198 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
4199 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
4200 | "1815 Could not issue " | |
a257bf90 JS |
4201 | "unreg_did (default rpis) status %d\n", |
4202 | rc); | |
92d7f7b0 JS |
4203 | } |
4204 | } | |
4205 | ||
dea3101e | 4206 | /* |
4207 | * Free resources associated with LPFC_NODELIST entry | |
4208 | * so it can be freed. | |
4209 | */ | |
4210 | static int | |
2e0fef85 | 4211 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4212 | { |
2e0fef85 JS |
4213 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4214 | struct lpfc_hba *phba = vport->phba; | |
4215 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 4216 | struct lpfc_dmabuf *mp; |
dea3101e | 4217 | |
4218 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
4219 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4220 | "0900 Cleanup node for NPort x%x " | |
4221 | "Data: x%x x%x x%x\n", | |
4222 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4223 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
4224 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4225 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4226 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
4227 | "usgmap:x%x refcnt:%d\n", | |
4228 | (void *)ndlp, ndlp->nlp_usg_map, | |
4229 | atomic_read(&ndlp->kref.refcount)); | |
4230 | lpfc_dequeue_node(vport, ndlp); | |
4231 | } else { | |
4232 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4233 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
4234 | "usgmap:x%x refcnt:%d\n", | |
4235 | (void *)ndlp, ndlp->nlp_usg_map, | |
4236 | atomic_read(&ndlp->kref.refcount)); | |
4237 | lpfc_disable_node(vport, ndlp); | |
4238 | } | |
dea3101e | 4239 | |
dea3101e | 4240 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
4241 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 4242 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
dea3101e | 4243 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
4244 | mb->context2 = NULL; | |
4245 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4246 | } | |
4247 | } | |
33ccf8d1 | 4248 | |
2e0fef85 | 4249 | spin_lock_irq(&phba->hbalock); |
5ac6b303 JS |
4250 | /* Cleanup REG_LOGIN completions which are not yet processed */ |
4251 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
4252 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) || | |
4253 | (ndlp != (struct lpfc_nodelist *) mb->context2)) | |
4254 | continue; | |
4255 | ||
4256 | mb->context2 = NULL; | |
4257 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4258 | } | |
4259 | ||
dea3101e | 4260 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 4261 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
92d7f7b0 | 4262 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 4263 | mp = (struct lpfc_dmabuf *) (mb->context1); |
4264 | if (mp) { | |
2e0fef85 | 4265 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 4266 | kfree(mp); |
4267 | } | |
4268 | list_del(&mb->list); | |
ffc95493 JS |
4269 | if (phba->sli_rev == LPFC_SLI_REV4) |
4270 | lpfc_sli4_free_rpi(phba, | |
4271 | mb->u.mb.un.varRegLogin.rpi); | |
dea3101e | 4272 | mempool_free(mb, phba->mbox_mem_pool); |
e47c9093 JS |
4273 | /* We shall not invoke the lpfc_nlp_put to decrement |
4274 | * the ndlp reference count as we are in the process | |
4275 | * of lpfc_nlp_release. | |
4276 | */ | |
dea3101e | 4277 | } |
4278 | } | |
2e0fef85 | 4279 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4280 | |
e47c9093 JS |
4281 | lpfc_els_abort(phba, ndlp); |
4282 | ||
2e0fef85 | 4283 | spin_lock_irq(shost->host_lock); |
c01f3208 | 4284 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 4285 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4286 | |
5024ab17 | 4287 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 4288 | del_timer_sync(&ndlp->nlp_delayfunc); |
4289 | ||
0d2b6b83 JS |
4290 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
4291 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 4292 | |
2e0fef85 | 4293 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 4294 | |
2fe165b6 | 4295 | return 0; |
dea3101e | 4296 | } |
4297 | ||
4298 | /* | |
4299 | * Check to see if we can free the nlp back to the freelist. | |
4300 | * If we are in the middle of using the nlp in the discovery state | |
4301 | * machine, defer the free till we reach the end of the state machine. | |
4302 | */ | |
329f9bc7 | 4303 | static void |
2e0fef85 | 4304 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4305 | { |
a8adb832 | 4306 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 4307 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
4308 | LPFC_MBOXQ_t *mbox; |
4309 | int rc; | |
dea3101e | 4310 | |
0d2b6b83 | 4311 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 | 4312 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
ffc95493 | 4313 | !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) && |
21e9a0a5 | 4314 | !(ndlp->nlp_flag & NLP_RPI_VALID)) { |
a8adb832 JS |
4315 | /* For this case we need to cleanup the default rpi |
4316 | * allocated by the firmware. | |
4317 | */ | |
4318 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
4319 | != NULL) { | |
21e9a0a5 | 4320 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
a8adb832 JS |
4321 | (uint8_t *) &vport->fc_sparam, mbox, 0); |
4322 | if (rc) { | |
4323 | mempool_free(mbox, phba->mbox_mem_pool); | |
4324 | } | |
4325 | else { | |
4326 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
4327 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
4328 | mbox->vport = vport; | |
09372820 | 4329 | mbox->context2 = NULL; |
a8adb832 JS |
4330 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
4331 | if (rc == MBX_NOT_FINISHED) { | |
4332 | mempool_free(mbox, phba->mbox_mem_pool); | |
4333 | } | |
4334 | } | |
4335 | } | |
4336 | } | |
2e0fef85 | 4337 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 4338 | |
2e0fef85 | 4339 | /* |
92d7f7b0 JS |
4340 | * We can get here with a non-NULL ndlp->rport because when we |
4341 | * unregister a rport we don't break the rport/node linkage. So if we | |
4342 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 4343 | */ |
92d7f7b0 | 4344 | if (ndlp->rport) { |
329f9bc7 JS |
4345 | rdata = ndlp->rport->dd_data; |
4346 | rdata->pnode = NULL; | |
4347 | ndlp->rport = NULL; | |
dea3101e | 4348 | } |
dea3101e | 4349 | } |
4350 | ||
4351 | static int | |
2e0fef85 JS |
4352 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4353 | uint32_t did) | |
dea3101e | 4354 | { |
2e0fef85 | 4355 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 4356 | |
4357 | if (did == Bcast_DID) | |
2fe165b6 | 4358 | return 0; |
dea3101e | 4359 | |
dea3101e | 4360 | /* First check for Direct match */ |
4361 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 4362 | return 1; |
dea3101e | 4363 | |
4364 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 4365 | mydid.un.word = vport->fc_myDID; |
dea3101e | 4366 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 4367 | return 0; |
dea3101e | 4368 | } |
4369 | ||
4370 | matchdid.un.word = did; | |
4371 | ndlpdid.un.word = ndlp->nlp_DID; | |
4372 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
4373 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
4374 | (mydid.un.b.area == matchdid.un.b.area)) { | |
4375 | if ((ndlpdid.un.b.domain == 0) && | |
4376 | (ndlpdid.un.b.area == 0)) { | |
4377 | if (ndlpdid.un.b.id) | |
2fe165b6 | 4378 | return 1; |
dea3101e | 4379 | } |
2fe165b6 | 4380 | return 0; |
dea3101e | 4381 | } |
4382 | ||
4383 | matchdid.un.word = ndlp->nlp_DID; | |
4384 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
4385 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
4386 | if ((matchdid.un.b.domain == 0) && | |
4387 | (matchdid.un.b.area == 0)) { | |
4388 | if (matchdid.un.b.id) | |
2fe165b6 | 4389 | return 1; |
dea3101e | 4390 | } |
4391 | } | |
4392 | } | |
2fe165b6 | 4393 | return 0; |
dea3101e | 4394 | } |
4395 | ||
685f0bf7 | 4396 | /* Search for a nodelist entry */ |
2e0fef85 JS |
4397 | static struct lpfc_nodelist * |
4398 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4399 | { |
2fb9bd8b | 4400 | struct lpfc_nodelist *ndlp; |
dea3101e | 4401 | uint32_t data1; |
4402 | ||
2e0fef85 JS |
4403 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
4404 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
4405 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
4406 | ((uint32_t) ndlp->nlp_xri << 16) | | |
4407 | ((uint32_t) ndlp->nlp_type << 8) | | |
4408 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
4409 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4410 | "0929 FIND node DID " | |
4411 | "Data: x%p x%x x%x x%x\n", | |
4412 | ndlp, ndlp->nlp_DID, | |
4413 | ndlp->nlp_flag, data1); | |
685f0bf7 | 4414 | return ndlp; |
dea3101e | 4415 | } |
4416 | } | |
66a9ed66 | 4417 | |
dea3101e | 4418 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
4419 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4420 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 4421 | return NULL; |
4422 | } | |
4423 | ||
4424 | struct lpfc_nodelist * | |
2e0fef85 JS |
4425 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
4426 | { | |
4427 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4428 | struct lpfc_nodelist *ndlp; | |
4429 | ||
4430 | spin_lock_irq(shost->host_lock); | |
4431 | ndlp = __lpfc_findnode_did(vport, did); | |
4432 | spin_unlock_irq(shost->host_lock); | |
4433 | return ndlp; | |
4434 | } | |
4435 | ||
4436 | struct lpfc_nodelist * | |
4437 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4438 | { |
2e0fef85 | 4439 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4440 | struct lpfc_nodelist *ndlp; |
dea3101e | 4441 | |
2e0fef85 | 4442 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 4443 | if (!ndlp) { |
2e0fef85 JS |
4444 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
4445 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 4446 | return NULL; |
4447 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 4448 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 4449 | if (!ndlp) |
4450 | return NULL; | |
2e0fef85 JS |
4451 | lpfc_nlp_init(vport, ndlp, did); |
4452 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
4453 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4454 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4455 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4456 | return ndlp; |
e47c9093 JS |
4457 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
4458 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
4459 | if (!ndlp) | |
4460 | return NULL; | |
4461 | spin_lock_irq(shost->host_lock); | |
4462 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4463 | spin_unlock_irq(shost->host_lock); | |
4464 | return ndlp; | |
dea3101e | 4465 | } |
e47c9093 | 4466 | |
58da1ffb JS |
4467 | if ((vport->fc_flag & FC_RSCN_MODE) && |
4468 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 4469 | if (lpfc_rscn_payload_check(vport, did)) { |
87af33fe JS |
4470 | /* If we've already recieved a PLOGI from this NPort |
4471 | * we don't need to try to discover it again. | |
4472 | */ | |
4473 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
4474 | return NULL; | |
4475 | ||
c9f8735b JW |
4476 | /* Since this node is marked for discovery, |
4477 | * delay timeout is not needed. | |
4478 | */ | |
0d2b6b83 | 4479 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
4480 | spin_lock_irq(shost->host_lock); |
4481 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4482 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 4483 | } else |
dea3101e | 4484 | ndlp = NULL; |
2fe165b6 | 4485 | } else { |
87af33fe JS |
4486 | /* If we've already recieved a PLOGI from this NPort, |
4487 | * or we are already in the process of discovery on it, | |
4488 | * we don't need to try to discover it again. | |
4489 | */ | |
685f0bf7 | 4490 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
4491 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4492 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 4493 | return NULL; |
2e0fef85 JS |
4494 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
4495 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4496 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4497 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4498 | } |
4499 | return ndlp; | |
4500 | } | |
4501 | ||
4502 | /* Build a list of nodes to discover based on the loopmap */ | |
4503 | void | |
2e0fef85 | 4504 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 4505 | { |
2e0fef85 | 4506 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4507 | int j; |
4508 | uint32_t alpa, index; | |
4509 | ||
2e0fef85 | 4510 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4511 | return; |
2e0fef85 | 4512 | |
76a95d75 | 4513 | if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) |
dea3101e | 4514 | return; |
dea3101e | 4515 | |
4516 | /* Check for loop map present or not */ | |
4517 | if (phba->alpa_map[0]) { | |
4518 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
4519 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 4520 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 4521 | continue; |
2e0fef85 | 4522 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4523 | } |
4524 | } else { | |
4525 | /* No alpamap, so try all alpa's */ | |
4526 | for (j = 0; j < FC_MAXLOOP; j++) { | |
4527 | /* If cfg_scan_down is set, start from highest | |
4528 | * ALPA (0xef) to lowest (0x1). | |
4529 | */ | |
3de2a653 | 4530 | if (vport->cfg_scan_down) |
dea3101e | 4531 | index = j; |
4532 | else | |
4533 | index = FC_MAXLOOP - j - 1; | |
4534 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 4535 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 4536 | continue; |
2e0fef85 | 4537 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4538 | } |
4539 | } | |
4540 | return; | |
4541 | } | |
4542 | ||
dea3101e | 4543 | void |
2e0fef85 | 4544 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 4545 | { |
dea3101e | 4546 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
4547 | struct lpfc_sli *psli = &phba->sli; |
4548 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
4549 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
4550 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
4551 | int rc; | |
4552 | ||
92d7f7b0 JS |
4553 | /* |
4554 | * if it's not a physical port or if we already send | |
4555 | * clear_la then don't send it. | |
4556 | */ | |
4557 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
4558 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
4559 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
4560 | return; |
4561 | ||
2e0fef85 JS |
4562 | /* Link up discovery */ |
4563 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
4564 | phba->link_state = LPFC_CLEAR_LA; | |
4565 | lpfc_clear_la(phba, mbox); | |
4566 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
4567 | mbox->vport = vport; | |
0b727fea | 4568 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
4569 | if (rc == MBX_NOT_FINISHED) { |
4570 | mempool_free(mbox, phba->mbox_mem_pool); | |
4571 | lpfc_disc_flush_list(vport); | |
4572 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4573 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4574 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
4575 | phba->link_state = LPFC_HBA_ERROR; |
4576 | } | |
4577 | } | |
4578 | } | |
4579 | ||
4580 | /* Reg_vpi to tell firmware to resume normal operations */ | |
4581 | void | |
4582 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4583 | { | |
4584 | LPFC_MBOXQ_t *regvpimbox; | |
4585 | ||
4586 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4587 | if (regvpimbox) { | |
da0436e9 | 4588 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
4589 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
4590 | regvpimbox->vport = vport; | |
0b727fea | 4591 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
4592 | == MBX_NOT_FINISHED) { |
4593 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
4594 | } |
4595 | } | |
4596 | } | |
4597 | ||
4598 | /* Start Link up / RSCN discovery on NPR nodes */ | |
4599 | void | |
4600 | lpfc_disc_start(struct lpfc_vport *vport) | |
4601 | { | |
4602 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4603 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 4604 | uint32_t num_sent; |
dea3101e | 4605 | uint32_t clear_la_pending; |
685f0bf7 | 4606 | int did_changed; |
dea3101e | 4607 | |
2e0fef85 | 4608 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4609 | return; |
2e0fef85 JS |
4610 | |
4611 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 4612 | clear_la_pending = 1; |
4613 | else | |
4614 | clear_la_pending = 0; | |
4615 | ||
2e0fef85 JS |
4616 | if (vport->port_state < LPFC_VPORT_READY) |
4617 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 4618 | |
2e0fef85 JS |
4619 | lpfc_set_disctmo(vport); |
4620 | ||
4621 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 4622 | did_changed = 0; |
2e0fef85 | 4623 | else |
dea3101e | 4624 | did_changed = 1; |
2e0fef85 JS |
4625 | |
4626 | vport->fc_prevDID = vport->fc_myDID; | |
4627 | vport->num_disc_nodes = 0; | |
dea3101e | 4628 | |
4629 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
4630 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4631 | "0202 Start Discovery hba state x%x " | |
4632 | "Data: x%x x%x x%x\n", | |
4633 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
4634 | vport->fc_adisc_cnt); | |
dea3101e | 4635 | |
4636 | /* First do ADISCs - if any */ | |
2e0fef85 | 4637 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 4638 | |
4639 | if (num_sent) | |
4640 | return; | |
4641 | ||
92d7f7b0 JS |
4642 | /* |
4643 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
4644 | * continue discovery. | |
4645 | */ | |
4646 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1b32f6aa | 4647 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
4648 | !(vport->fc_flag & FC_RSCN_MODE) && |
4649 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
92d7f7b0 JS |
4650 | lpfc_issue_reg_vpi(phba, vport); |
4651 | return; | |
4652 | } | |
4653 | ||
4654 | /* | |
4655 | * For SLI2, we need to set port_state to READY and continue | |
4656 | * discovery. | |
4657 | */ | |
2e0fef85 | 4658 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 4659 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 4660 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 4661 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 4662 | |
92d7f7b0 | 4663 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
4664 | vport->num_disc_nodes = 0; |
4665 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
4666 | if (vport->fc_npr_cnt) | |
4667 | lpfc_els_disc_plogi(vport); | |
4668 | ||
4669 | if (!vport->num_disc_nodes) { | |
4670 | spin_lock_irq(shost->host_lock); | |
4671 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
4672 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4673 | lpfc_can_disctmo(vport); |
dea3101e | 4674 | } |
4675 | } | |
92d7f7b0 | 4676 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4677 | } else { |
4678 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 4679 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 4680 | |
4681 | if (num_sent) | |
4682 | return; | |
4683 | ||
2e0fef85 | 4684 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 4685 | /* Check to see if more RSCNs came in while we |
4686 | * were processing this one. | |
4687 | */ | |
2e0fef85 JS |
4688 | if ((vport->fc_rscn_id_cnt == 0) && |
4689 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
4690 | spin_lock_irq(shost->host_lock); | |
4691 | vport->fc_flag &= ~FC_RSCN_MODE; | |
4692 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4693 | lpfc_can_disctmo(vport); |
2fe165b6 | 4694 | } else |
2e0fef85 | 4695 | lpfc_els_handle_rscn(vport); |
dea3101e | 4696 | } |
4697 | } | |
4698 | return; | |
4699 | } | |
4700 | ||
4701 | /* | |
4702 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
4703 | * ring the match the sppecified nodelist. | |
4704 | */ | |
4705 | static void | |
2e0fef85 | 4706 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4707 | { |
2534ba75 | 4708 | LIST_HEAD(completions); |
dea3101e | 4709 | struct lpfc_sli *psli; |
4710 | IOCB_t *icmd; | |
4711 | struct lpfc_iocbq *iocb, *next_iocb; | |
4712 | struct lpfc_sli_ring *pring; | |
dea3101e | 4713 | |
4714 | psli = &phba->sli; | |
4715 | pring = &psli->ring[LPFC_ELS_RING]; | |
4716 | ||
4717 | /* Error matching iocb on txq or txcmplq | |
4718 | * First check the txq. | |
4719 | */ | |
2e0fef85 | 4720 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4721 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
4722 | if (iocb->context1 != ndlp) { | |
4723 | continue; | |
4724 | } | |
4725 | icmd = &iocb->iocb; | |
4726 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
4727 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
4728 | ||
2534ba75 | 4729 | list_move_tail(&iocb->list, &completions); |
dea3101e | 4730 | pring->txq_cnt--; |
dea3101e | 4731 | } |
4732 | } | |
4733 | ||
4734 | /* Next check the txcmplq */ | |
4735 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
4736 | if (iocb->context1 != ndlp) { | |
4737 | continue; | |
4738 | } | |
4739 | icmd = &iocb->iocb; | |
2e0fef85 JS |
4740 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
4741 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
4742 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
4743 | } | |
4744 | } | |
2e0fef85 | 4745 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4746 | |
a257bf90 JS |
4747 | /* Cancel all the IOCBs from the completions list */ |
4748 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4749 | IOERR_SLI_ABORTED); | |
dea3101e | 4750 | } |
4751 | ||
a6ababd2 | 4752 | static void |
2e0fef85 | 4753 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 4754 | { |
4755 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 4756 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4757 | |
2e0fef85 JS |
4758 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
4759 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 4760 | nlp_listp) { |
e47c9093 JS |
4761 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4762 | continue; | |
685f0bf7 JS |
4763 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4764 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
4765 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 4766 | } |
dea3101e | 4767 | } |
4768 | } | |
dea3101e | 4769 | } |
4770 | ||
92d7f7b0 JS |
4771 | void |
4772 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
4773 | { | |
4774 | lpfc_els_flush_rscn(vport); | |
4775 | lpfc_els_flush_cmd(vport); | |
4776 | lpfc_disc_flush_list(vport); | |
4777 | } | |
4778 | ||
dea3101e | 4779 | /*****************************************************************************/ |
4780 | /* | |
4781 | * NAME: lpfc_disc_timeout | |
4782 | * | |
4783 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
4784 | * | |
4785 | * EXECUTION ENVIRONMENT: interrupt only | |
4786 | * | |
4787 | * CALLED FROM: | |
4788 | * Timer function | |
4789 | * | |
4790 | * RETURNS: | |
4791 | * none | |
4792 | */ | |
4793 | /*****************************************************************************/ | |
4794 | void | |
4795 | lpfc_disc_timeout(unsigned long ptr) | |
4796 | { | |
2e0fef85 JS |
4797 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
4798 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 4799 | uint32_t tmo_posted; |
dea3101e | 4800 | unsigned long flags = 0; |
4801 | ||
4802 | if (unlikely(!phba)) | |
4803 | return; | |
4804 | ||
5e9d9b82 JS |
4805 | spin_lock_irqsave(&vport->work_port_lock, flags); |
4806 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
4807 | if (!tmo_posted) | |
2e0fef85 | 4808 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 4809 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 4810 | |
5e9d9b82 JS |
4811 | if (!tmo_posted) |
4812 | lpfc_worker_wake_up(phba); | |
dea3101e | 4813 | return; |
4814 | } | |
4815 | ||
4816 | static void | |
2e0fef85 | 4817 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 4818 | { |
2e0fef85 JS |
4819 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4820 | struct lpfc_hba *phba = vport->phba; | |
4821 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 4822 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 4823 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 4824 | int rc, clrlaerr = 0; |
4825 | ||
2e0fef85 | 4826 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 4827 | return; |
4828 | ||
2e0fef85 JS |
4829 | spin_lock_irq(shost->host_lock); |
4830 | vport->fc_flag &= ~FC_DISC_TMO; | |
4831 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4832 | |
858c9f6c JS |
4833 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4834 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
4835 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
4836 | ||
2e0fef85 | 4837 | switch (vport->port_state) { |
dea3101e | 4838 | |
4839 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
4840 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
4841 | * FAN | |
4842 | */ | |
4843 | /* FAN timeout */ | |
e8b62011 JS |
4844 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
4845 | "0221 FAN timeout\n"); | |
c9f8735b | 4846 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 4847 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 4848 | nlp_listp) { |
e47c9093 JS |
4849 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4850 | continue; | |
685f0bf7 JS |
4851 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
4852 | continue; | |
c9f8735b JW |
4853 | if (ndlp->nlp_type & NLP_FABRIC) { |
4854 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 4855 | lpfc_drop_node(vport, ndlp); |
87af33fe | 4856 | |
2fe165b6 | 4857 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
4858 | /* Fail outstanding IO now since device |
4859 | * is marked for PLOGI. | |
4860 | */ | |
2e0fef85 | 4861 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
4862 | } |
4863 | } | |
92d7f7b0 | 4864 | if (vport->port_state != LPFC_FLOGI) { |
76a95d75 JS |
4865 | if (phba->sli_rev <= LPFC_SLI_REV3) |
4866 | lpfc_initial_flogi(vport); | |
4867 | else | |
4868 | lpfc_issue_init_vfi(vport); | |
0ff10d46 | 4869 | return; |
92d7f7b0 | 4870 | } |
dea3101e | 4871 | break; |
4872 | ||
92d7f7b0 | 4873 | case LPFC_FDISC: |
dea3101e | 4874 | case LPFC_FLOGI: |
2e0fef85 | 4875 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 4876 | /* Initial FLOGI timeout */ |
e8b62011 JS |
4877 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4878 | "0222 Initial %s timeout\n", | |
87af33fe | 4879 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e | 4880 | |
4881 | /* Assume no Fabric and go on with discovery. | |
4882 | * Check for outstanding ELS FLOGI to abort. | |
4883 | */ | |
4884 | ||
4885 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 4886 | lpfc_disc_list_loopmap(vport); |
dea3101e | 4887 | |
4888 | /* Start discovery */ | |
2e0fef85 | 4889 | lpfc_disc_start(vport); |
dea3101e | 4890 | break; |
4891 | ||
4892 | case LPFC_FABRIC_CFG_LINK: | |
4893 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
4894 | NameServer login */ | |
e8b62011 JS |
4895 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4896 | "0223 Timeout while waiting for " | |
4897 | "NameServer login\n"); | |
dea3101e | 4898 | /* Next look for NameServer ndlp */ |
2e0fef85 | 4899 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 4900 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
4901 | lpfc_els_abort(phba, ndlp); |
4902 | ||
4903 | /* ReStart discovery */ | |
4904 | goto restart_disc; | |
dea3101e | 4905 | |
4906 | case LPFC_NS_QRY: | |
4907 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
4908 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4909 | "0224 NameServer Query timeout " | |
4910 | "Data: x%x x%x\n", | |
4911 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4912 | |
92d7f7b0 JS |
4913 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
4914 | /* Try it one more time */ | |
4915 | vport->fc_ns_retry++; | |
4916 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
4917 | vport->fc_ns_retry, 0); | |
4918 | if (rc == 0) | |
4919 | break; | |
dea3101e | 4920 | } |
92d7f7b0 | 4921 | vport->fc_ns_retry = 0; |
dea3101e | 4922 | |
87af33fe | 4923 | restart_disc: |
92d7f7b0 JS |
4924 | /* |
4925 | * Discovery is over. | |
4926 | * set port_state to PORT_READY if SLI2. | |
4927 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4928 | */ | |
3772a991 JS |
4929 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4930 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4931 | lpfc_issue_reg_vpi(phba, vport); | |
4932 | else { /* NPIV Not enabled */ | |
4933 | lpfc_issue_clear_la(phba, vport); | |
4934 | vport->port_state = LPFC_VPORT_READY; | |
4935 | } | |
dea3101e | 4936 | } |
4937 | ||
4938 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
4939 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4940 | if (!initlinkmbox) { | |
e8b62011 JS |
4941 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4942 | "0206 Device Discovery " | |
4943 | "completion error\n"); | |
2e0fef85 | 4944 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4945 | break; |
4946 | } | |
4947 | ||
4948 | lpfc_linkdown(phba); | |
4949 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
4950 | phba->cfg_link_speed); | |
04c68496 | 4951 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 4952 | initlinkmbox->vport = vport; |
92d7f7b0 | 4953 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4954 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 4955 | lpfc_set_loopback_flag(phba); |
dea3101e | 4956 | if (rc == MBX_NOT_FINISHED) |
4957 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
4958 | ||
4959 | break; | |
4960 | ||
4961 | case LPFC_DISC_AUTH: | |
4962 | /* Node Authentication timeout */ | |
e8b62011 JS |
4963 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4964 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
4965 | lpfc_disc_flush_list(vport); |
4966 | ||
92d7f7b0 JS |
4967 | /* |
4968 | * set port_state to PORT_READY if SLI2. | |
4969 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4970 | */ | |
3772a991 JS |
4971 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4972 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4973 | lpfc_issue_reg_vpi(phba, vport); | |
4974 | else { /* NPIV Not enabled */ | |
4975 | lpfc_issue_clear_la(phba, vport); | |
4976 | vport->port_state = LPFC_VPORT_READY; | |
4977 | } | |
dea3101e | 4978 | } |
4979 | break; | |
4980 | ||
2e0fef85 JS |
4981 | case LPFC_VPORT_READY: |
4982 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
4983 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4984 | "0231 RSCN timeout Data: x%x " | |
4985 | "x%x\n", | |
4986 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4987 | |
4988 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 4989 | lpfc_els_flush_cmd(vport); |
dea3101e | 4990 | |
2e0fef85 JS |
4991 | lpfc_els_flush_rscn(vport); |
4992 | lpfc_disc_flush_list(vport); | |
dea3101e | 4993 | } |
4994 | break; | |
2e0fef85 | 4995 | |
92d7f7b0 | 4996 | default: |
e8b62011 | 4997 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 4998 | "0273 Unexpected discovery timeout, " |
e8b62011 | 4999 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
5000 | break; |
5001 | } | |
5002 | ||
5003 | switch (phba->link_state) { | |
5004 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 5005 | /* CLEAR LA timeout */ |
e8b62011 JS |
5006 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5007 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
5008 | clrlaerr = 1; |
5009 | break; | |
5010 | ||
09372820 JS |
5011 | case LPFC_LINK_UP: |
5012 | lpfc_issue_clear_la(phba, vport); | |
5013 | /* Drop thru */ | |
2e0fef85 JS |
5014 | case LPFC_LINK_UNKNOWN: |
5015 | case LPFC_WARM_START: | |
5016 | case LPFC_INIT_START: | |
5017 | case LPFC_INIT_MBX_CMDS: | |
5018 | case LPFC_LINK_DOWN: | |
2e0fef85 | 5019 | case LPFC_HBA_ERROR: |
e8b62011 JS |
5020 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5021 | "0230 Unexpected timeout, hba link " | |
5022 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
5023 | clrlaerr = 1; |
5024 | break; | |
92d7f7b0 JS |
5025 | |
5026 | case LPFC_HBA_READY: | |
5027 | break; | |
dea3101e | 5028 | } |
5029 | ||
5030 | if (clrlaerr) { | |
2e0fef85 | 5031 | lpfc_disc_flush_list(vport); |
a4bc3379 | 5032 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 5033 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
5034 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 5035 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 5036 | } |
5037 | ||
5038 | return; | |
5039 | } | |
5040 | ||
dea3101e | 5041 | /* |
5042 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
5043 | * command upon completion. It is setup in the LPFC_MBOXQ | |
5044 | * as the completion routine when the command is | |
5045 | * handed off to the SLI layer. | |
5046 | */ | |
5047 | void | |
2e0fef85 | 5048 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 5049 | { |
04c68496 | 5050 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
5051 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
5052 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
5053 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 5054 | |
5055 | pmb->context1 = NULL; | |
d439d286 | 5056 | pmb->context2 = NULL; |
dea3101e | 5057 | |
dea3101e | 5058 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 5059 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 5060 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 5061 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 5062 | |
2e0fef85 JS |
5063 | /* |
5064 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
5065 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
5066 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 5067 | */ |
2e0fef85 | 5068 | |
3de2a653 | 5069 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
5070 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
5071 | else | |
5072 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 5073 | |
fa4066b6 JS |
5074 | /* decrement the node reference count held for this callback |
5075 | * function. | |
5076 | */ | |
329f9bc7 | 5077 | lpfc_nlp_put(ndlp); |
dea3101e | 5078 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5079 | kfree(mp); | |
329f9bc7 | 5080 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 5081 | |
5082 | return; | |
5083 | } | |
5084 | ||
685f0bf7 JS |
5085 | static int |
5086 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
5087 | { | |
5088 | uint16_t *rpi = param; | |
5089 | ||
5090 | return ndlp->nlp_rpi == *rpi; | |
5091 | } | |
5092 | ||
5093 | static int | |
5094 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
5095 | { | |
5096 | return memcmp(&ndlp->nlp_portname, param, | |
5097 | sizeof(ndlp->nlp_portname)) == 0; | |
5098 | } | |
5099 | ||
a6ababd2 | 5100 | static struct lpfc_nodelist * |
2e0fef85 | 5101 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 5102 | { |
21568f53 | 5103 | struct lpfc_nodelist *ndlp; |
dea3101e | 5104 | |
2e0fef85 | 5105 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
87af33fe | 5106 | if (filter(ndlp, param)) |
685f0bf7 JS |
5107 | return ndlp; |
5108 | } | |
21568f53 | 5109 | return NULL; |
dea3101e | 5110 | } |
5111 | ||
685f0bf7 JS |
5112 | /* |
5113 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 5114 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
5115 | */ |
5116 | struct lpfc_nodelist * | |
2e0fef85 | 5117 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 5118 | { |
2e0fef85 | 5119 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
5120 | } |
5121 | ||
488d1469 | 5122 | /* |
685f0bf7 | 5123 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 5124 | * returns the node element list pointer else return NULL. |
488d1469 JS |
5125 | */ |
5126 | struct lpfc_nodelist * | |
2e0fef85 | 5127 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 5128 | { |
2e0fef85 | 5129 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 5130 | struct lpfc_nodelist *ndlp; |
488d1469 | 5131 | |
2e0fef85 JS |
5132 | spin_lock_irq(shost->host_lock); |
5133 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
5134 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 5135 | return ndlp; |
488d1469 JS |
5136 | } |
5137 | ||
dea3101e | 5138 | void |
2e0fef85 JS |
5139 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
5140 | uint32_t did) | |
dea3101e | 5141 | { |
5142 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
5143 | |
5144 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 5145 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
5146 | |
5147 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
5148 | "node init: did:x%x", | |
5149 | ndlp->nlp_DID, 0, 0); | |
5150 | ||
dea3101e | 5151 | return; |
5152 | } | |
329f9bc7 | 5153 | |
98c9ea5c JS |
5154 | /* This routine releases all resources associated with a specifc NPort's ndlp |
5155 | * and mempool_free's the nodelist. | |
5156 | */ | |
311464ec | 5157 | static void |
329f9bc7 JS |
5158 | lpfc_nlp_release(struct kref *kref) |
5159 | { | |
e47c9093 JS |
5160 | struct lpfc_hba *phba; |
5161 | unsigned long flags; | |
329f9bc7 JS |
5162 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
5163 | kref); | |
858c9f6c JS |
5164 | |
5165 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5166 | "node release: did:x%x flg:x%x type:x%x", | |
5167 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
5168 | ||
e47c9093 JS |
5169 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
5170 | "0279 lpfc_nlp_release: ndlp:x%p " | |
5171 | "usgmap:x%x refcnt:%d\n", | |
5172 | (void *)ndlp, ndlp->nlp_usg_map, | |
5173 | atomic_read(&ndlp->kref.refcount)); | |
5174 | ||
5175 | /* remove ndlp from action. */ | |
2e0fef85 | 5176 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
5177 | |
5178 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 5179 | phba = ndlp->phba; |
e47c9093 JS |
5180 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5181 | NLP_CLR_NODE_ACT(ndlp); | |
5182 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5183 | ||
5184 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
5185 | if (NLP_CHK_FREE_REQ(ndlp)) { |
5186 | kfree(ndlp->lat_data); | |
a257bf90 | 5187 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 5188 | } |
329f9bc7 JS |
5189 | } |
5190 | ||
98c9ea5c JS |
5191 | /* This routine bumps the reference count for a ndlp structure to ensure |
5192 | * that one discovery thread won't free a ndlp while another discovery thread | |
5193 | * is using it. | |
5194 | */ | |
329f9bc7 JS |
5195 | struct lpfc_nodelist * |
5196 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
5197 | { | |
e47c9093 JS |
5198 | struct lpfc_hba *phba; |
5199 | unsigned long flags; | |
5200 | ||
98c9ea5c JS |
5201 | if (ndlp) { |
5202 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5203 | "node get: did:x%x flg:x%x refcnt:x%x", | |
5204 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5205 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5206 | /* The check of ndlp usage to prevent incrementing the |
5207 | * ndlp reference count that is in the process of being | |
5208 | * released. | |
5209 | */ | |
a257bf90 | 5210 | phba = ndlp->phba; |
e47c9093 JS |
5211 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5212 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
5213 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5214 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5215 | "0276 lpfc_nlp_get: ndlp:x%p " | |
5216 | "usgmap:x%x refcnt:%d\n", | |
5217 | (void *)ndlp, ndlp->nlp_usg_map, | |
5218 | atomic_read(&ndlp->kref.refcount)); | |
5219 | return NULL; | |
5220 | } else | |
5221 | kref_get(&ndlp->kref); | |
5222 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 5223 | } |
329f9bc7 JS |
5224 | return ndlp; |
5225 | } | |
5226 | ||
98c9ea5c | 5227 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
5228 | * count goes to 0, this indicates the the associated nodelist should be |
5229 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
5230 | * other hand, returning 0 indicates the ndlp resource has not been released | |
5231 | * yet. | |
98c9ea5c | 5232 | */ |
329f9bc7 JS |
5233 | int |
5234 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
5235 | { | |
e47c9093 JS |
5236 | struct lpfc_hba *phba; |
5237 | unsigned long flags; | |
5238 | ||
5239 | if (!ndlp) | |
5240 | return 1; | |
5241 | ||
5242 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5243 | "node put: did:x%x flg:x%x refcnt:x%x", | |
5244 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5245 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 5246 | phba = ndlp->phba; |
e47c9093 JS |
5247 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5248 | /* Check the ndlp memory free acknowledge flag to avoid the | |
5249 | * possible race condition that kref_put got invoked again | |
5250 | * after previous one has done ndlp memory free. | |
5251 | */ | |
5252 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
5253 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5254 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5255 | "0274 lpfc_nlp_put: ndlp:x%p " | |
5256 | "usgmap:x%x refcnt:%d\n", | |
5257 | (void *)ndlp, ndlp->nlp_usg_map, | |
5258 | atomic_read(&ndlp->kref.refcount)); | |
5259 | return 1; | |
5260 | } | |
5261 | /* Check the ndlp inactivate log flag to avoid the possible | |
5262 | * race condition that kref_put got invoked again after ndlp | |
5263 | * is already in inactivating state. | |
5264 | */ | |
5265 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
5266 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5267 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5268 | "0275 lpfc_nlp_put: ndlp:x%p " | |
5269 | "usgmap:x%x refcnt:%d\n", | |
5270 | (void *)ndlp, ndlp->nlp_usg_map, | |
5271 | atomic_read(&ndlp->kref.refcount)); | |
5272 | return 1; | |
98c9ea5c | 5273 | } |
e47c9093 JS |
5274 | /* For last put, mark the ndlp usage flags to make sure no |
5275 | * other kref_get and kref_put on the same ndlp shall get | |
5276 | * in between the process when the final kref_put has been | |
5277 | * invoked on this ndlp. | |
5278 | */ | |
5279 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
5280 | /* Indicate ndlp is put to inactive state. */ | |
5281 | NLP_SET_IACT_REQ(ndlp); | |
5282 | /* Acknowledge ndlp memory free has been seen. */ | |
5283 | if (NLP_CHK_FREE_REQ(ndlp)) | |
5284 | NLP_SET_FREE_ACK(ndlp); | |
5285 | } | |
5286 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5287 | /* Note, the kref_put returns 1 when decrementing a reference | |
5288 | * count that was 1, it invokes the release callback function, | |
5289 | * but it still left the reference count as 1 (not actually | |
5290 | * performs the last decrementation). Otherwise, it actually | |
5291 | * decrements the reference count and returns 0. | |
5292 | */ | |
5293 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 5294 | } |
98c9ea5c JS |
5295 | |
5296 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
5297 | * by any other discovery thread. This routine returns 1 if the |
5298 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
5299 | * not yet been released. | |
98c9ea5c JS |
5300 | */ |
5301 | int | |
5302 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
5303 | { | |
5304 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5305 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
5306 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5307 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5308 | if (atomic_read(&ndlp->kref.refcount) == 1) |
5309 | if (lpfc_nlp_put(ndlp)) | |
5310 | return 1; | |
98c9ea5c JS |
5311 | return 0; |
5312 | } | |
6fb120a7 JS |
5313 | |
5314 | /** | |
5315 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
5316 | * @phba: Pointer to hba context object. | |
5317 | * | |
5318 | * This function iterate through all FC nodes associated | |
5319 | * will all vports to check if there is any node with | |
5320 | * fc_rports associated with it. If there is an fc_rport | |
5321 | * associated with the node, then the node is either in | |
5322 | * discovered state or its devloss_timer is pending. | |
5323 | */ | |
5324 | static int | |
5325 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
5326 | { | |
5327 | struct lpfc_vport **vports; | |
5328 | int i, ret = 0; | |
5329 | struct lpfc_nodelist *ndlp; | |
5330 | struct Scsi_Host *shost; | |
5331 | ||
5332 | vports = lpfc_create_vport_work_array(phba); | |
5333 | ||
63e801ce JS |
5334 | /* If driver cannot allocate memory, indicate fcf is in use */ |
5335 | if (!vports) | |
5336 | return 1; | |
5337 | ||
6fb120a7 JS |
5338 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
5339 | shost = lpfc_shost_from_vport(vports[i]); | |
5340 | spin_lock_irq(shost->host_lock); | |
5341 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
5342 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
5343 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
5344 | ret = 1; | |
5345 | spin_unlock_irq(shost->host_lock); | |
5346 | goto out; | |
891478a2 JS |
5347 | } else { |
5348 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5349 | "2624 RPI %x DID %x flg %x still " | |
5350 | "logged in\n", | |
5351 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
5352 | ndlp->nlp_flag); | |
5353 | if (ndlp->nlp_flag & NLP_RPI_VALID) | |
5354 | ret = 1; | |
6fb120a7 JS |
5355 | } |
5356 | } | |
5357 | spin_unlock_irq(shost->host_lock); | |
5358 | } | |
5359 | out: | |
5360 | lpfc_destroy_vport_work_array(phba, vports); | |
5361 | return ret; | |
5362 | } | |
5363 | ||
5364 | /** | |
5365 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
5366 | * @phba: Pointer to hba context object. | |
5367 | * @mboxq: Pointer to mailbox object. | |
5368 | * | |
5369 | * This function frees memory associated with the mailbox command. | |
5370 | */ | |
5371 | static void | |
5372 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
5373 | { | |
5374 | struct lpfc_vport *vport = mboxq->vport; | |
38b92ef8 | 5375 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
5376 | |
5377 | if (mboxq->u.mb.mbxStatus) { | |
5378 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5379 | "2555 UNREG_VFI mbxStatus error x%x " | |
5380 | "HBA state x%x\n", | |
5381 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5382 | } | |
38b92ef8 JS |
5383 | spin_lock_irq(shost->host_lock); |
5384 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; | |
5385 | spin_unlock_irq(shost->host_lock); | |
6fb120a7 JS |
5386 | mempool_free(mboxq, phba->mbox_mem_pool); |
5387 | return; | |
5388 | } | |
5389 | ||
5390 | /** | |
5391 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
5392 | * @phba: Pointer to hba context object. | |
5393 | * @mboxq: Pointer to mailbox object. | |
5394 | * | |
5395 | * This function frees memory associated with the mailbox command. | |
5396 | */ | |
5397 | static void | |
5398 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
5399 | { | |
5400 | struct lpfc_vport *vport = mboxq->vport; | |
5401 | ||
5402 | if (mboxq->u.mb.mbxStatus) { | |
5403 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5404 | "2550 UNREG_FCFI mbxStatus error x%x " | |
5405 | "HBA state x%x\n", | |
5406 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5407 | } | |
5408 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5409 | return; | |
5410 | } | |
5411 | ||
5412 | /** | |
ecfd03c6 | 5413 | * lpfc_unregister_fcf_prep - Unregister fcf record preparation |
6fb120a7 JS |
5414 | * @phba: Pointer to hba context object. |
5415 | * | |
ecfd03c6 JS |
5416 | * This function prepare the HBA for unregistering the currently registered |
5417 | * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and | |
5418 | * VFIs. | |
6fb120a7 | 5419 | */ |
ecfd03c6 JS |
5420 | int |
5421 | lpfc_unregister_fcf_prep(struct lpfc_hba *phba) | |
6fb120a7 JS |
5422 | { |
5423 | LPFC_MBOXQ_t *mbox; | |
6fb120a7 | 5424 | struct lpfc_vport **vports; |
695a814e | 5425 | struct lpfc_nodelist *ndlp; |
72100cc4 | 5426 | struct Scsi_Host *shost; |
ecfd03c6 | 5427 | int i, rc; |
6fb120a7 | 5428 | |
ecfd03c6 | 5429 | /* Unregister RPIs */ |
6fb120a7 | 5430 | if (lpfc_fcf_inuse(phba)) |
ecfd03c6 | 5431 | lpfc_unreg_hba_rpis(phba); |
6fb120a7 | 5432 | |
4d9ab994 JS |
5433 | /* At this point, all discovery is aborted */ |
5434 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
5435 | |
5436 | /* Unregister VPIs */ | |
5437 | vports = lpfc_create_vport_work_array(phba); | |
ecfd03c6 | 5438 | if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) |
6fb120a7 | 5439 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
695a814e JS |
5440 | /* Stop FLOGI/FDISC retries */ |
5441 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
5442 | if (ndlp) | |
5443 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
78730cfe | 5444 | lpfc_cleanup_pending_mbox(vports[i]); |
5af5eee7 JS |
5445 | if (phba->sli_rev == LPFC_SLI_REV4) |
5446 | lpfc_sli4_unreg_all_rpis(vports[i]); | |
6fb120a7 | 5447 | lpfc_mbx_unreg_vpi(vports[i]); |
72100cc4 JS |
5448 | shost = lpfc_shost_from_vport(vports[i]); |
5449 | spin_lock_irq(shost->host_lock); | |
891478a2 | 5450 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 5451 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
72100cc4 | 5452 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
5453 | } |
5454 | lpfc_destroy_vport_work_array(phba, vports); | |
5455 | ||
695a814e JS |
5456 | /* Cleanup any outstanding ELS commands */ |
5457 | lpfc_els_flush_all_cmd(phba); | |
5458 | ||
6fb120a7 JS |
5459 | /* Unregister VFI */ |
5460 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5461 | if (!mbox) { | |
5462 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5463 | "2556 UNREG_VFI mbox allocation failed" |
5464 | "HBA state x%x\n", phba->pport->port_state); | |
5465 | return -ENOMEM; | |
6fb120a7 JS |
5466 | } |
5467 | ||
6669f9bb | 5468 | lpfc_unreg_vfi(mbox, phba->pport); |
6fb120a7 JS |
5469 | mbox->vport = phba->pport; |
5470 | mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl; | |
5471 | ||
5472 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5473 | if (rc == MBX_NOT_FINISHED) { | |
5474 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5475 | "2557 UNREG_VFI issue mbox failed rc x%x " |
5476 | "HBA state x%x\n", | |
5477 | rc, phba->pport->port_state); | |
6fb120a7 | 5478 | mempool_free(mbox, phba->mbox_mem_pool); |
ecfd03c6 | 5479 | return -EIO; |
6fb120a7 JS |
5480 | } |
5481 | ||
72100cc4 JS |
5482 | shost = lpfc_shost_from_vport(phba->pport); |
5483 | spin_lock_irq(shost->host_lock); | |
695a814e | 5484 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; |
72100cc4 | 5485 | spin_unlock_irq(shost->host_lock); |
695a814e | 5486 | |
ecfd03c6 JS |
5487 | return 0; |
5488 | } | |
5489 | ||
5490 | /** | |
5491 | * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record | |
5492 | * @phba: Pointer to hba context object. | |
5493 | * | |
5494 | * This function issues synchronous unregister FCF mailbox command to HBA to | |
5495 | * unregister the currently registered FCF record. The driver does not reset | |
5496 | * the driver FCF usage state flags. | |
5497 | * | |
5498 | * Return 0 if successfully issued, none-zero otherwise. | |
5499 | */ | |
5500 | int | |
5501 | lpfc_sli4_unregister_fcf(struct lpfc_hba *phba) | |
5502 | { | |
5503 | LPFC_MBOXQ_t *mbox; | |
5504 | int rc; | |
5505 | ||
6fb120a7 JS |
5506 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5507 | if (!mbox) { | |
5508 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5509 | "2551 UNREG_FCFI mbox allocation failed" |
5510 | "HBA state x%x\n", phba->pport->port_state); | |
5511 | return -ENOMEM; | |
6fb120a7 | 5512 | } |
6fb120a7 JS |
5513 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); |
5514 | mbox->vport = phba->pport; | |
5515 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
5516 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5517 | ||
5518 | if (rc == MBX_NOT_FINISHED) { | |
ecfd03c6 JS |
5519 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5520 | "2552 Unregister FCFI command failed rc x%x " | |
5521 | "HBA state x%x\n", | |
5522 | rc, phba->pport->port_state); | |
5523 | return -EINVAL; | |
5524 | } | |
5525 | return 0; | |
5526 | } | |
5527 | ||
5528 | /** | |
5529 | * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan | |
5530 | * @phba: Pointer to hba context object. | |
5531 | * | |
5532 | * This function unregisters the currently reigstered FCF. This function | |
5533 | * also tries to find another FCF for discovery by rescan the HBA FCF table. | |
5534 | */ | |
5535 | void | |
5536 | lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) | |
5537 | { | |
5538 | int rc; | |
5539 | ||
5540 | /* Preparation for unregistering fcf */ | |
5541 | rc = lpfc_unregister_fcf_prep(phba); | |
5542 | if (rc) { | |
5543 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5544 | "2748 Failed to prepare for unregistering " | |
5545 | "HBA's FCF record: rc=%d\n", rc); | |
6fb120a7 JS |
5546 | return; |
5547 | } | |
5548 | ||
ecfd03c6 JS |
5549 | /* Now, unregister FCF record and reset HBA FCF state */ |
5550 | rc = lpfc_sli4_unregister_fcf(phba); | |
5551 | if (rc) | |
5552 | return; | |
5553 | /* Reset HBA FCF states after successful unregister FCF */ | |
5554 | phba->fcf.fcf_flag = 0; | |
fc2b989b | 5555 | phba->fcf.current_rec.flag = 0; |
6fb120a7 JS |
5556 | |
5557 | /* | |
5558 | * If driver is not unloading, check if there is any other | |
5559 | * FCF record that can be used for discovery. | |
5560 | */ | |
5561 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
ecfd03c6 | 5562 | (phba->link_state < LPFC_LINK_UP)) |
6fb120a7 JS |
5563 | return; |
5564 | ||
0c9ab6f5 JS |
5565 | /* This is considered as the initial FCF discovery scan */ |
5566 | spin_lock_irq(&phba->hbalock); | |
5567 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
5568 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 JS |
5569 | |
5570 | /* Reset FCF roundrobin bmask for new discovery */ | |
5571 | memset(phba->fcf.fcf_rr_bmask, 0, sizeof(*phba->fcf.fcf_rr_bmask)); | |
5572 | ||
0c9ab6f5 | 5573 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
6fb120a7 | 5574 | |
0c9ab6f5 JS |
5575 | if (rc) { |
5576 | spin_lock_irq(&phba->hbalock); | |
5577 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
5578 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 5579 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, |
ecfd03c6 JS |
5580 | "2553 lpfc_unregister_unused_fcf failed " |
5581 | "to read FCF record HBA state x%x\n", | |
5582 | phba->pport->port_state); | |
0c9ab6f5 | 5583 | } |
ecfd03c6 JS |
5584 | } |
5585 | ||
5586 | /** | |
5587 | * lpfc_unregister_fcf - Unregister the currently registered fcf record | |
5588 | * @phba: Pointer to hba context object. | |
5589 | * | |
5590 | * This function just unregisters the currently reigstered FCF. It does not | |
5591 | * try to find another FCF for discovery. | |
5592 | */ | |
5593 | void | |
5594 | lpfc_unregister_fcf(struct lpfc_hba *phba) | |
5595 | { | |
5596 | int rc; | |
5597 | ||
5598 | /* Preparation for unregistering fcf */ | |
5599 | rc = lpfc_unregister_fcf_prep(phba); | |
5600 | if (rc) { | |
5601 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5602 | "2749 Failed to prepare for unregistering " | |
5603 | "HBA's FCF record: rc=%d\n", rc); | |
5604 | return; | |
5605 | } | |
5606 | ||
5607 | /* Now, unregister FCF record and reset HBA FCF state */ | |
5608 | rc = lpfc_sli4_unregister_fcf(phba); | |
5609 | if (rc) | |
5610 | return; | |
5611 | /* Set proper HBA FCF states after successful unregister FCF */ | |
5612 | spin_lock_irq(&phba->hbalock); | |
5613 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
5614 | spin_unlock_irq(&phba->hbalock); | |
5615 | } | |
5616 | ||
5617 | /** | |
5618 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
5619 | * @phba: Pointer to hba context object. | |
5620 | * | |
5621 | * This function check if there are any connected remote port for the FCF and | |
5622 | * if all the devices are disconnected, this function unregister FCFI. | |
5623 | * This function also tries to use another FCF for discovery. | |
5624 | */ | |
5625 | void | |
5626 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
5627 | { | |
5628 | /* | |
3804dc84 JS |
5629 | * If HBA is not running in FIP mode, if HBA does not support |
5630 | * FCoE, if FCF discovery is ongoing, or if FCF has not been | |
5631 | * registered, do nothing. | |
ecfd03c6 JS |
5632 | */ |
5633 | spin_lock_irq(&phba->hbalock); | |
76a95d75 | 5634 | if (!(phba->hba_flag & HBA_FCOE_MODE) || |
ecfd03c6 | 5635 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || |
dbb6b3ab | 5636 | !(phba->hba_flag & HBA_FIP_SUPPORT) || |
3804dc84 | 5637 | (phba->fcf.fcf_flag & FCF_DISCOVERY) || |
dbb6b3ab | 5638 | (phba->pport->port_state == LPFC_FLOGI)) { |
ecfd03c6 JS |
5639 | spin_unlock_irq(&phba->hbalock); |
5640 | return; | |
5641 | } | |
5642 | spin_unlock_irq(&phba->hbalock); | |
5643 | ||
5644 | if (lpfc_fcf_inuse(phba)) | |
5645 | return; | |
5646 | ||
5647 | lpfc_unregister_fcf_rescan(phba); | |
6fb120a7 JS |
5648 | } |
5649 | ||
5650 | /** | |
5651 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
5652 | * @phba: Pointer to hba context object. | |
5653 | * @buff: Buffer containing the FCF connection table as in the config | |
5654 | * region. | |
5655 | * This function create driver data structure for the FCF connection | |
5656 | * record table read from config region 23. | |
5657 | */ | |
5658 | static void | |
5659 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
5660 | uint8_t *buff) | |
5661 | { | |
5662 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5663 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
5664 | struct lpfc_fcf_conn_rec *conn_rec; | |
5665 | uint32_t record_count; | |
5666 | int i; | |
5667 | ||
5668 | /* Free the current connect table */ | |
5669 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5670 | &phba->fcf_conn_rec_list, list) { |
5671 | list_del_init(&conn_entry->list); | |
6fb120a7 | 5672 | kfree(conn_entry); |
4d9ab994 | 5673 | } |
6fb120a7 JS |
5674 | |
5675 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
5676 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
5677 | sizeof(struct lpfc_fcf_conn_rec); | |
5678 | ||
5679 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
5680 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
5681 | ||
5682 | for (i = 0; i < record_count; i++) { | |
5683 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
5684 | continue; | |
5685 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
5686 | GFP_KERNEL); | |
5687 | if (!conn_entry) { | |
5688 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5689 | "2566 Failed to allocate connection" | |
5690 | " table entry\n"); | |
5691 | return; | |
5692 | } | |
5693 | ||
5694 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
5695 | sizeof(struct lpfc_fcf_conn_rec)); | |
5696 | conn_entry->conn_rec.vlan_tag = | |
5697 | le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF; | |
5698 | conn_entry->conn_rec.flags = | |
5699 | le16_to_cpu(conn_entry->conn_rec.flags); | |
5700 | list_add_tail(&conn_entry->list, | |
5701 | &phba->fcf_conn_rec_list); | |
5702 | } | |
5703 | } | |
5704 | ||
5705 | /** | |
5706 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
5707 | * @phba: Pointer to hba context object. | |
5708 | * @buff: Buffer containing the FCoE parameter data structure. | |
5709 | * | |
5710 | * This function update driver data structure with config | |
5711 | * parameters read from config region 23. | |
5712 | */ | |
5713 | static void | |
5714 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
5715 | uint8_t *buff) | |
5716 | { | |
5717 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
5718 | struct lpfc_fcoe_params *fcoe_param; | |
5719 | ||
5720 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
5721 | buff; | |
5722 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 5723 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
5724 | |
5725 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
5726 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
5727 | return; | |
5728 | ||
6fb120a7 JS |
5729 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
5730 | phba->valid_vlan = 1; | |
5731 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
5732 | 0xFFF; | |
5733 | } | |
5734 | ||
5735 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
5736 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
5737 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
5738 | return; | |
5739 | } | |
5740 | ||
5741 | /** | |
5742 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
5743 | * @buff: Buffer containing config region 23 data. | |
5744 | * @size: Size of the data buffer. | |
5745 | * @rec_type: Record type to be searched. | |
5746 | * | |
5747 | * This function searches config region data to find the begining | |
5748 | * of the record specified by record_type. If record found, this | |
5749 | * function return pointer to the record else return NULL. | |
5750 | */ | |
5751 | static uint8_t * | |
5752 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
5753 | { | |
5754 | uint32_t offset = 0, rec_length; | |
5755 | ||
5756 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
5757 | (size < sizeof(uint32_t))) | |
5758 | return NULL; | |
5759 | ||
5760 | rec_length = buff[offset + 1]; | |
5761 | ||
5762 | /* | |
5763 | * One TLV record has one word header and number of data words | |
5764 | * specified in the rec_length field of the record header. | |
5765 | */ | |
5766 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
5767 | <= size) { | |
5768 | if (buff[offset] == rec_type) | |
5769 | return &buff[offset]; | |
5770 | ||
5771 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
5772 | return NULL; | |
5773 | ||
5774 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
5775 | rec_length = buff[offset + 1]; | |
5776 | } | |
5777 | return NULL; | |
5778 | } | |
5779 | ||
5780 | /** | |
5781 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
5782 | * @phba: Pointer to lpfc_hba data structure. | |
5783 | * @buff: Buffer containing config region 23 data. | |
5784 | * @size: Size of the data buffer. | |
5785 | * | |
eef35c2d | 5786 | * This function parses the FCoE config parameters in config region 23 and |
6fb120a7 JS |
5787 | * populate driver data structure with the parameters. |
5788 | */ | |
5789 | void | |
5790 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
5791 | uint8_t *buff, | |
5792 | uint32_t size) | |
5793 | { | |
5794 | uint32_t offset = 0, rec_length; | |
5795 | uint8_t *rec_ptr; | |
5796 | ||
5797 | /* | |
5798 | * If data size is less than 2 words signature and version cannot be | |
5799 | * verified. | |
5800 | */ | |
5801 | if (size < 2*sizeof(uint32_t)) | |
5802 | return; | |
5803 | ||
5804 | /* Check the region signature first */ | |
5805 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
5806 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5807 | "2567 Config region 23 has bad signature\n"); | |
5808 | return; | |
5809 | } | |
5810 | ||
5811 | offset += 4; | |
5812 | ||
5813 | /* Check the data structure version */ | |
5814 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
5815 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5816 | "2568 Config region 23 has bad version\n"); | |
5817 | return; | |
5818 | } | |
5819 | offset += 4; | |
5820 | ||
5821 | rec_length = buff[offset + 1]; | |
5822 | ||
5823 | /* Read FCoE param record */ | |
5824 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5825 | size - offset, FCOE_PARAM_TYPE); | |
5826 | if (rec_ptr) | |
5827 | lpfc_read_fcoe_param(phba, rec_ptr); | |
5828 | ||
5829 | /* Read FCF connection table */ | |
5830 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5831 | size - offset, FCOE_CONN_TBL_TYPE); | |
5832 | if (rec_ptr) | |
5833 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
5834 | ||
5835 | } |