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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
92c13f29 | 4 | * Copyright (C) 2004-2013 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 JB |
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 JB |
20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
a93ff37a | 23 | #include <linux/delay.h> |
5a0e3ad6 | 24 | #include <linux/slab.h> |
dea3101e JB |
25 | #include <linux/pci.h> |
26 | #include <linux/kthread.h> | |
27 | #include <linux/interrupt.h> | |
28 | ||
91886523 | 29 | #include <scsi/scsi.h> |
dea3101e JB |
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 JB |
37 | #include "lpfc_disc.h" |
38 | #include "lpfc_sli.h" | |
da0436e9 | 39 | #include "lpfc_sli4.h" |
dea3101e JB |
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 JB |
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 JB |
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 | ||
34f5ad8b JS |
126 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
127 | "3181 dev_loss_callbk x%06x, rport %p flg x%x\n", | |
128 | ndlp->nlp_DID, ndlp->rport, ndlp->nlp_flag); | |
129 | ||
a8adb832 JS |
130 | /* Don't defer this if we are in the process of deleting the vport |
131 | * or unloading the driver. The unload will cleanup the node | |
132 | * appropriately we just need to cleanup the ndlp rport info here. | |
133 | */ | |
134 | if (vport->load_flag & FC_UNLOADING) { | |
135 | put_node = rdata->pnode != NULL; | |
136 | put_rport = ndlp->rport != NULL; | |
137 | rdata->pnode = NULL; | |
138 | ndlp->rport = NULL; | |
139 | if (put_node) | |
140 | lpfc_nlp_put(ndlp); | |
141 | if (put_rport) | |
142 | put_device(&rport->dev); | |
143 | return; | |
144 | } | |
145 | ||
146 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
147 | return; | |
148 | ||
34f5ad8b JS |
149 | if (ndlp->nlp_type & NLP_FABRIC) { |
150 | ||
151 | /* If the WWPN of the rport and ndlp don't match, ignore it */ | |
152 | if (rport->port_name != wwn_to_u64(ndlp->nlp_portname.u.wwn)) { | |
153 | put_device(&rport->dev); | |
154 | return; | |
155 | } | |
156 | } | |
157 | ||
858c9f6c JS |
158 | evtp = &ndlp->dev_loss_evt; |
159 | ||
160 | if (!list_empty(&evtp->evt_listp)) | |
161 | return; | |
162 | ||
a62a435a JS |
163 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); |
164 | ||
858c9f6c | 165 | spin_lock_irq(&phba->hbalock); |
fa4066b6 JS |
166 | /* We need to hold the node by incrementing the reference |
167 | * count until this queued work is done | |
168 | */ | |
5e9d9b82 JS |
169 | if (evtp->evt_arg1) { |
170 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
171 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
172 | lpfc_worker_wake_up(phba); | |
173 | } | |
858c9f6c JS |
174 | spin_unlock_irq(&phba->hbalock); |
175 | ||
858c9f6c JS |
176 | return; |
177 | } | |
178 | ||
a93ff37a JS |
179 | /** |
180 | * lpfc_dev_loss_tmo_handler - Remote node devloss timeout handler | |
181 | * @ndlp: Pointer to remote node object. | |
182 | * | |
183 | * This function is called from the worker thread when devloss timeout timer | |
184 | * expires. For SLI4 host, this routine shall return 1 when at lease one | |
185 | * remote node, including this @ndlp, is still in use of FCF; otherwise, this | |
186 | * routine shall return 0 when there is no remote node is still in use of FCF | |
187 | * when devloss timeout happened to this @ndlp. | |
188 | **/ | |
189 | static int | |
858c9f6c JS |
190 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) |
191 | { | |
192 | struct lpfc_rport_data *rdata; | |
193 | struct fc_rport *rport; | |
194 | struct lpfc_vport *vport; | |
195 | struct lpfc_hba *phba; | |
196 | uint8_t *name; | |
87af33fe JS |
197 | int put_node; |
198 | int put_rport; | |
858c9f6c | 199 | int warn_on = 0; |
a93ff37a | 200 | int fcf_inuse = 0; |
858c9f6c JS |
201 | |
202 | rport = ndlp->rport; | |
203 | ||
204 | if (!rport) | |
a93ff37a | 205 | return fcf_inuse; |
858c9f6c JS |
206 | |
207 | rdata = rport->dd_data; | |
208 | name = (uint8_t *) &ndlp->nlp_portname; | |
209 | vport = ndlp->vport; | |
210 | phba = vport->phba; | |
211 | ||
a93ff37a JS |
212 | if (phba->sli_rev == LPFC_SLI_REV4) |
213 | fcf_inuse = lpfc_fcf_inuse(phba); | |
214 | ||
858c9f6c JS |
215 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, |
216 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
217 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
218 | ||
34f5ad8b JS |
219 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
220 | "3182 dev_loss_tmo_handler x%06x, rport %p flg x%x\n", | |
221 | ndlp->nlp_DID, ndlp->rport, ndlp->nlp_flag); | |
222 | ||
a8adb832 JS |
223 | /* Don't defer this if we are in the process of deleting the vport |
224 | * or unloading the driver. The unload will cleanup the node | |
225 | * appropriately we just need to cleanup the ndlp rport info here. | |
226 | */ | |
227 | if (vport->load_flag & FC_UNLOADING) { | |
09372820 JS |
228 | if (ndlp->nlp_sid != NLP_NO_SID) { |
229 | /* flush the target */ | |
230 | lpfc_sli_abort_iocb(vport, | |
231 | &phba->sli.ring[phba->sli.fcp_ring], | |
232 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
233 | } | |
a8adb832 JS |
234 | put_node = rdata->pnode != NULL; |
235 | put_rport = ndlp->rport != NULL; | |
236 | rdata->pnode = NULL; | |
237 | ndlp->rport = NULL; | |
238 | if (put_node) | |
239 | lpfc_nlp_put(ndlp); | |
240 | if (put_rport) | |
241 | put_device(&rport->dev); | |
a93ff37a | 242 | return fcf_inuse; |
a8adb832 JS |
243 | } |
244 | ||
d7c255b2 JS |
245 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { |
246 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
247 | "0284 Devloss timeout Ignored on " | |
248 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
249 | "NPort x%x\n", | |
250 | *name, *(name+1), *(name+2), *(name+3), | |
251 | *(name+4), *(name+5), *(name+6), *(name+7), | |
252 | ndlp->nlp_DID); | |
a93ff37a | 253 | return fcf_inuse; |
d7c255b2 | 254 | } |
858c9f6c | 255 | |
92d7f7b0 JS |
256 | if (ndlp->nlp_type & NLP_FABRIC) { |
257 | /* We will clean up these Nodes in linkup */ | |
258 | put_node = rdata->pnode != NULL; | |
259 | put_rport = ndlp->rport != NULL; | |
260 | rdata->pnode = NULL; | |
261 | ndlp->rport = NULL; | |
262 | if (put_node) | |
263 | lpfc_nlp_put(ndlp); | |
264 | if (put_rport) | |
265 | put_device(&rport->dev); | |
a93ff37a | 266 | return fcf_inuse; |
92d7f7b0 | 267 | } |
82085718 | 268 | |
dea3101e | 269 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 270 | warn_on = 1; |
dea3101e | 271 | /* flush the target */ |
51ef4c26 JS |
272 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
273 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 274 | } |
c01f3208 | 275 | |
6e8215e4 | 276 | if (warn_on) { |
e8b62011 JS |
277 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
278 | "0203 Devloss timeout on " | |
58da1ffb JS |
279 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
280 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
281 | *name, *(name+1), *(name+2), *(name+3), |
282 | *(name+4), *(name+5), *(name+6), *(name+7), | |
283 | ndlp->nlp_DID, ndlp->nlp_flag, | |
284 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 285 | } else { |
e8b62011 JS |
286 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
287 | "0204 Devloss timeout on " | |
58da1ffb JS |
288 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
289 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
290 | *name, *(name+1), *(name+2), *(name+3), |
291 | *(name+4), *(name+5), *(name+6), *(name+7), | |
292 | ndlp->nlp_DID, ndlp->nlp_flag, | |
293 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
294 | } |
295 | ||
87af33fe JS |
296 | put_node = rdata->pnode != NULL; |
297 | put_rport = ndlp->rport != NULL; | |
298 | rdata->pnode = NULL; | |
299 | ndlp->rport = NULL; | |
300 | if (put_node) | |
301 | lpfc_nlp_put(ndlp); | |
302 | if (put_rport) | |
303 | put_device(&rport->dev); | |
304 | ||
2e0fef85 | 305 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 306 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 | 307 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
ffc95493 | 308 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
589a52d6 JS |
309 | (ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) && |
310 | (ndlp->nlp_state != NLP_STE_PRLI_ISSUE)) | |
2e0fef85 | 311 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
6fb120a7 | 312 | |
a93ff37a JS |
313 | return fcf_inuse; |
314 | } | |
315 | ||
316 | /** | |
317 | * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler | |
318 | * @phba: Pointer to hba context object. | |
319 | * @fcf_inuse: SLI4 FCF in-use state reported from devloss timeout handler. | |
320 | * @nlp_did: remote node identifer with devloss timeout. | |
321 | * | |
322 | * This function is called from the worker thread after invoking devloss | |
323 | * timeout handler and releasing the reference count for the ndlp with | |
324 | * which the devloss timeout was handled for SLI4 host. For the devloss | |
325 | * timeout of the last remote node which had been in use of FCF, when this | |
326 | * routine is invoked, it shall be guaranteed that none of the remote are | |
327 | * in-use of FCF. When devloss timeout to the last remote using the FCF, | |
328 | * if the FIP engine is neither in FCF table scan process nor roundrobin | |
329 | * failover process, the in-use FCF shall be unregistered. If the FIP | |
330 | * engine is in FCF discovery process, the devloss timeout state shall | |
331 | * be set for either the FCF table scan process or roundrobin failover | |
332 | * process to unregister the in-use FCF. | |
333 | **/ | |
334 | static void | |
335 | lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse, | |
336 | uint32_t nlp_did) | |
337 | { | |
338 | /* If devloss timeout happened to a remote node when FCF had no | |
339 | * longer been in-use, do nothing. | |
340 | */ | |
341 | if (!fcf_inuse) | |
342 | return; | |
343 | ||
344 | if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) { | |
345 | spin_lock_irq(&phba->hbalock); | |
346 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { | |
347 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
348 | spin_unlock_irq(&phba->hbalock); | |
349 | return; | |
350 | } | |
351 | phba->hba_flag |= HBA_DEVLOSS_TMO; | |
352 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
353 | "2847 Last remote node (x%x) using " | |
354 | "FCF devloss tmo\n", nlp_did); | |
355 | } | |
356 | if (phba->fcf.fcf_flag & FCF_REDISC_PROG) { | |
357 | spin_unlock_irq(&phba->hbalock); | |
358 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
359 | "2868 Devloss tmo to FCF rediscovery " | |
360 | "in progress\n"); | |
361 | return; | |
362 | } | |
363 | if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) { | |
364 | spin_unlock_irq(&phba->hbalock); | |
365 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
366 | "2869 Devloss tmo to idle FIP engine, " | |
367 | "unreg in-use FCF and rescan.\n"); | |
368 | /* Unregister in-use FCF and rescan */ | |
369 | lpfc_unregister_fcf_rescan(phba); | |
370 | return; | |
371 | } | |
372 | spin_unlock_irq(&phba->hbalock); | |
373 | if (phba->hba_flag & FCF_TS_INPROG) | |
374 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
375 | "2870 FCF table scan in progress\n"); | |
376 | if (phba->hba_flag & FCF_RR_INPROG) | |
377 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
378 | "2871 FLOGI roundrobin FCF failover " | |
379 | "in progress\n"); | |
380 | } | |
6fb120a7 | 381 | lpfc_unregister_unused_fcf(phba); |
92d7f7b0 | 382 | } |
c01f3208 | 383 | |
ea2151b4 | 384 | /** |
3621a710 | 385 | * lpfc_alloc_fast_evt - Allocates data structure for posting event |
ea2151b4 JS |
386 | * @phba: Pointer to hba context object. |
387 | * | |
388 | * This function is called from the functions which need to post | |
389 | * events from interrupt context. This function allocates data | |
390 | * structure required for posting event. It also keeps track of | |
391 | * number of events pending and prevent event storm when there are | |
392 | * too many events. | |
393 | **/ | |
394 | struct lpfc_fast_path_event * | |
395 | lpfc_alloc_fast_evt(struct lpfc_hba *phba) { | |
396 | struct lpfc_fast_path_event *ret; | |
397 | ||
398 | /* If there are lot of fast event do not exhaust memory due to this */ | |
399 | if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) | |
400 | return NULL; | |
401 | ||
402 | ret = kzalloc(sizeof(struct lpfc_fast_path_event), | |
403 | GFP_ATOMIC); | |
6fb120a7 | 404 | if (ret) { |
ea2151b4 | 405 | atomic_inc(&phba->fast_event_count); |
6fb120a7 JS |
406 | INIT_LIST_HEAD(&ret->work_evt.evt_listp); |
407 | ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; | |
408 | } | |
ea2151b4 JS |
409 | return ret; |
410 | } | |
411 | ||
412 | /** | |
3621a710 | 413 | * lpfc_free_fast_evt - Frees event data structure |
ea2151b4 JS |
414 | * @phba: Pointer to hba context object. |
415 | * @evt: Event object which need to be freed. | |
416 | * | |
417 | * This function frees the data structure required for posting | |
418 | * events. | |
419 | **/ | |
420 | void | |
421 | lpfc_free_fast_evt(struct lpfc_hba *phba, | |
422 | struct lpfc_fast_path_event *evt) { | |
423 | ||
424 | atomic_dec(&phba->fast_event_count); | |
425 | kfree(evt); | |
426 | } | |
427 | ||
428 | /** | |
3621a710 | 429 | * lpfc_send_fastpath_evt - Posts events generated from fast path |
ea2151b4 JS |
430 | * @phba: Pointer to hba context object. |
431 | * @evtp: Event data structure. | |
432 | * | |
433 | * This function is called from worker thread, when the interrupt | |
434 | * context need to post an event. This function posts the event | |
435 | * to fc transport netlink interface. | |
436 | **/ | |
437 | static void | |
438 | lpfc_send_fastpath_evt(struct lpfc_hba *phba, | |
439 | struct lpfc_work_evt *evtp) | |
440 | { | |
441 | unsigned long evt_category, evt_sub_category; | |
442 | struct lpfc_fast_path_event *fast_evt_data; | |
443 | char *evt_data; | |
444 | uint32_t evt_data_size; | |
445 | struct Scsi_Host *shost; | |
446 | ||
447 | fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, | |
448 | work_evt); | |
449 | ||
450 | evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; | |
451 | evt_sub_category = (unsigned long) fast_evt_data->un. | |
452 | fabric_evt.subcategory; | |
453 | shost = lpfc_shost_from_vport(fast_evt_data->vport); | |
454 | if (evt_category == FC_REG_FABRIC_EVENT) { | |
455 | if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { | |
456 | evt_data = (char *) &fast_evt_data->un.read_check_error; | |
457 | evt_data_size = sizeof(fast_evt_data->un. | |
458 | read_check_error); | |
459 | } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || | |
eaf15d5b | 460 | (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { |
ea2151b4 JS |
461 | evt_data = (char *) &fast_evt_data->un.fabric_evt; |
462 | evt_data_size = sizeof(fast_evt_data->un.fabric_evt); | |
463 | } else { | |
464 | lpfc_free_fast_evt(phba, fast_evt_data); | |
465 | return; | |
466 | } | |
467 | } else if (evt_category == FC_REG_SCSI_EVENT) { | |
468 | switch (evt_sub_category) { | |
469 | case LPFC_EVENT_QFULL: | |
470 | case LPFC_EVENT_DEVBSY: | |
471 | evt_data = (char *) &fast_evt_data->un.scsi_evt; | |
472 | evt_data_size = sizeof(fast_evt_data->un.scsi_evt); | |
473 | break; | |
474 | case LPFC_EVENT_CHECK_COND: | |
475 | evt_data = (char *) &fast_evt_data->un.check_cond_evt; | |
476 | evt_data_size = sizeof(fast_evt_data->un. | |
477 | check_cond_evt); | |
478 | break; | |
479 | case LPFC_EVENT_VARQUEDEPTH: | |
480 | evt_data = (char *) &fast_evt_data->un.queue_depth_evt; | |
481 | evt_data_size = sizeof(fast_evt_data->un. | |
482 | queue_depth_evt); | |
483 | break; | |
484 | default: | |
485 | lpfc_free_fast_evt(phba, fast_evt_data); | |
486 | return; | |
487 | } | |
488 | } else { | |
489 | lpfc_free_fast_evt(phba, fast_evt_data); | |
490 | return; | |
491 | } | |
492 | ||
493 | fc_host_post_vendor_event(shost, | |
494 | fc_get_event_number(), | |
495 | evt_data_size, | |
496 | evt_data, | |
ddcc50f0 | 497 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
498 | |
499 | lpfc_free_fast_evt(phba, fast_evt_data); | |
500 | return; | |
501 | } | |
502 | ||
dea3101e | 503 | static void |
2e0fef85 | 504 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e JB |
505 | { |
506 | struct lpfc_work_evt *evtp = NULL; | |
507 | struct lpfc_nodelist *ndlp; | |
508 | int free_evt; | |
a93ff37a JS |
509 | int fcf_inuse; |
510 | uint32_t nlp_did; | |
dea3101e | 511 | |
2e0fef85 JS |
512 | spin_lock_irq(&phba->hbalock); |
513 | while (!list_empty(&phba->work_list)) { | |
dea3101e JB |
514 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
515 | evt_listp); | |
2e0fef85 | 516 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 517 | free_evt = 1; |
2fe165b6 | 518 | switch (evtp->evt) { |
dea3101e | 519 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 520 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 521 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 522 | free_evt = 0; /* evt is part of ndlp */ |
fa4066b6 JS |
523 | /* decrement the node reference count held |
524 | * for this queued work | |
525 | */ | |
526 | lpfc_nlp_put(ndlp); | |
dea3101e | 527 | break; |
858c9f6c JS |
528 | case LPFC_EVT_DEV_LOSS: |
529 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
a93ff37a | 530 | fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp); |
858c9f6c | 531 | free_evt = 0; |
fa4066b6 JS |
532 | /* decrement the node reference count held for |
533 | * this queued work | |
534 | */ | |
a93ff37a | 535 | nlp_did = ndlp->nlp_DID; |
858c9f6c | 536 | lpfc_nlp_put(ndlp); |
a93ff37a JS |
537 | if (phba->sli_rev == LPFC_SLI_REV4) |
538 | lpfc_sli4_post_dev_loss_tmo_handler(phba, | |
539 | fcf_inuse, | |
540 | nlp_did); | |
858c9f6c | 541 | break; |
dea3101e | 542 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
543 | if (phba->link_state < LPFC_LINK_DOWN) |
544 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 545 | else |
2e0fef85 | 546 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e JB |
547 | complete((struct completion *)(evtp->evt_arg2)); |
548 | break; | |
46fa311e | 549 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 550 | if (phba->link_state >= LPFC_LINK_DOWN) |
618a5230 | 551 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
46fa311e JS |
552 | *(int *)(evtp->evt_arg1) = 0; |
553 | complete((struct completion *)(evtp->evt_arg2)); | |
554 | break; | |
555 | case LPFC_EVT_OFFLINE: | |
556 | lpfc_offline(phba); | |
41415862 JW |
557 | lpfc_sli_brdrestart(phba); |
558 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
559 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
560 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
561 | complete((struct completion *)(evtp->evt_arg2)); |
562 | break; | |
563 | case LPFC_EVT_WARM_START: | |
46fa311e | 564 | lpfc_offline(phba); |
9290831f | 565 | lpfc_reset_barrier(phba); |
41415862 JW |
566 | lpfc_sli_brdreset(phba); |
567 | lpfc_hba_down_post(phba); | |
568 | *(int *)(evtp->evt_arg1) = | |
569 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 570 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
571 | complete((struct completion *)(evtp->evt_arg2)); |
572 | break; | |
573 | case LPFC_EVT_KILL: | |
46fa311e | 574 | lpfc_offline(phba); |
9290831f | 575 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
576 | = (phba->pport->stopped) |
577 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 578 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
579 | complete((struct completion *)(evtp->evt_arg2)); |
580 | break; | |
ea2151b4 JS |
581 | case LPFC_EVT_FASTPATH_MGMT_EVT: |
582 | lpfc_send_fastpath_evt(phba, evtp); | |
583 | free_evt = 0; | |
584 | break; | |
78730cfe JS |
585 | case LPFC_EVT_RESET_HBA: |
586 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
587 | lpfc_reset_hba(phba); | |
588 | break; | |
dea3101e JB |
589 | } |
590 | if (free_evt) | |
591 | kfree(evtp); | |
2e0fef85 | 592 | spin_lock_irq(&phba->hbalock); |
dea3101e | 593 | } |
2e0fef85 | 594 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
595 | |
596 | } | |
597 | ||
311464ec | 598 | static void |
2e0fef85 | 599 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e JB |
600 | { |
601 | struct lpfc_sli_ring *pring; | |
858c9f6c | 602 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd | 603 | struct lpfc_vport **vports; |
51ef4c26 | 604 | struct lpfc_vport *vport; |
549e55cd | 605 | int i; |
dea3101e | 606 | |
2e0fef85 | 607 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
608 | ha_copy = phba->work_ha; |
609 | phba->work_ha = 0; | |
2e0fef85 | 610 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 611 | |
da0436e9 JS |
612 | /* First, try to post the next mailbox command to SLI4 device */ |
613 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
614 | lpfc_sli4_post_async_mbox(phba); | |
615 | ||
2fe165b6 | 616 | if (ha_copy & HA_ERATT) |
9399627f | 617 | /* Handle the error attention event */ |
dea3101e JB |
618 | lpfc_handle_eratt(phba); |
619 | ||
2fe165b6 | 620 | if (ha_copy & HA_MBATT) |
dea3101e JB |
621 | lpfc_sli_handle_mb_event(phba); |
622 | ||
2fe165b6 | 623 | if (ha_copy & HA_LATT) |
dea3101e | 624 | lpfc_handle_latt(phba); |
9399627f | 625 | |
da0436e9 JS |
626 | /* Process SLI4 events */ |
627 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
19ca7609 JS |
628 | if (phba->hba_flag & HBA_RRQ_ACTIVE) |
629 | lpfc_handle_rrq_active(phba); | |
da0436e9 JS |
630 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) |
631 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
632 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
633 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
634 | if (phba->hba_flag & ASYNC_EVENT) | |
635 | lpfc_sli4_async_event_proc(phba); | |
636 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
637 | spin_lock_irq(&phba->hbalock); | |
638 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
639 | spin_unlock_irq(&phba->hbalock); | |
640 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
641 | } | |
ecfd03c6 JS |
642 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) |
643 | lpfc_sli4_fcf_redisc_event_proc(phba); | |
da0436e9 JS |
644 | } |
645 | ||
549e55cd JS |
646 | vports = lpfc_create_vport_work_array(phba); |
647 | if (vports != NULL) | |
da0436e9 | 648 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
649 | /* |
650 | * We could have no vports in array if unloading, so if | |
651 | * this happens then just use the pport | |
652 | */ | |
653 | if (vports[i] == NULL && i == 0) | |
654 | vport = phba->pport; | |
655 | else | |
656 | vport = vports[i]; | |
657 | if (vport == NULL) | |
658 | break; | |
58da1ffb | 659 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 660 | work_port_events = vport->work_port_events; |
58da1ffb JS |
661 | vport->work_port_events &= ~work_port_events; |
662 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 663 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 664 | lpfc_disc_timeout_handler(vport); |
549e55cd | 665 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 666 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
667 | if (work_port_events & WORKER_HB_TMO) |
668 | lpfc_hb_timeout_handler(phba); | |
669 | if (work_port_events & WORKER_MBOX_TMO) | |
670 | lpfc_mbox_timeout_handler(phba); | |
671 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
672 | lpfc_unblock_fabric_iocbs(phba); | |
673 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 674 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
675 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
676 | lpfc_ramp_down_queue_handler(phba); | |
677 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
678 | lpfc_ramp_up_queue_handler(phba); | |
92494144 JS |
679 | if (work_port_events & WORKER_DELAYED_DISC_TMO) |
680 | lpfc_delayed_disc_timeout_handler(vport); | |
92d7f7b0 | 681 | } |
09372820 | 682 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 683 | |
858c9f6c JS |
684 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
685 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
686 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
687 | if ((status & HA_RXMASK) || |
688 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 689 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 690 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 691 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
692 | /* Set the lpfc data pending flag */ |
693 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 694 | } else { |
94661504 JS |
695 | if (phba->link_state >= LPFC_LINK_UP) { |
696 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
697 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
698 | (status & | |
699 | HA_RXMASK)); | |
700 | } | |
858c9f6c | 701 | } |
0e9bb8d7 JS |
702 | if ((phba->sli_rev == LPFC_SLI_REV4) & |
703 | (!list_empty(&pring->txq))) | |
2a9bf3d0 | 704 | lpfc_drain_txq(phba); |
858c9f6c JS |
705 | /* |
706 | * Turn on Ring interrupts | |
707 | */ | |
3772a991 JS |
708 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
709 | spin_lock_irq(&phba->hbalock); | |
710 | control = readl(phba->HCregaddr); | |
711 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
712 | lpfc_debugfs_slow_ring_trc(phba, | |
713 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
714 | control, ha_copy, 0); | |
715 | ||
716 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
717 | writel(control, phba->HCregaddr); | |
718 | readl(phba->HCregaddr); /* flush */ | |
719 | } else { | |
720 | lpfc_debugfs_slow_ring_trc(phba, | |
721 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
722 | control, ha_copy, 0); | |
723 | } | |
724 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 725 | } |
dea3101e | 726 | } |
2e0fef85 | 727 | lpfc_work_list_done(phba); |
dea3101e JB |
728 | } |
729 | ||
dea3101e JB |
730 | int |
731 | lpfc_do_work(void *p) | |
732 | { | |
733 | struct lpfc_hba *phba = p; | |
734 | int rc; | |
dea3101e JB |
735 | |
736 | set_user_nice(current, -20); | |
043c956f | 737 | current->flags |= PF_NOFREEZE; |
5e9d9b82 | 738 | phba->data_flags = 0; |
dea3101e | 739 | |
3a55b532 | 740 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
741 | /* wait and check worker queue activities */ |
742 | rc = wait_event_interruptible(phba->work_waitq, | |
743 | (test_and_clear_bit(LPFC_DATA_READY, | |
744 | &phba->data_flags) | |
745 | || kthread_should_stop())); | |
3a55b532 JS |
746 | /* Signal wakeup shall terminate the worker thread */ |
747 | if (rc) { | |
748 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
749 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 750 | break; |
3a55b532 | 751 | } |
dea3101e | 752 | |
5e9d9b82 | 753 | /* Attend pending lpfc data processing */ |
dea3101e | 754 | lpfc_work_done(phba); |
dea3101e | 755 | } |
3a55b532 JS |
756 | phba->worker_thread = NULL; |
757 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
758 | "0432 Worker thread stopped.\n"); | |
dea3101e JB |
759 | return 0; |
760 | } | |
761 | ||
762 | /* | |
763 | * This is only called to handle FC worker events. Since this a rare | |
25985edc | 764 | * occurrence, we allocate a struct lpfc_work_evt structure here instead of |
dea3101e JB |
765 | * embedding it in the IOCB. |
766 | */ | |
767 | int | |
2e0fef85 | 768 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e JB |
769 | uint32_t evt) |
770 | { | |
771 | struct lpfc_work_evt *evtp; | |
ed957684 | 772 | unsigned long flags; |
dea3101e JB |
773 | |
774 | /* | |
775 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
776 | * be queued to worker thread for processing | |
777 | */ | |
92d7f7b0 | 778 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e JB |
779 | if (!evtp) |
780 | return 0; | |
781 | ||
782 | evtp->evt_arg1 = arg1; | |
783 | evtp->evt_arg2 = arg2; | |
784 | evtp->evt = evt; | |
785 | ||
ed957684 | 786 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 787 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 788 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 789 | |
5e9d9b82 JS |
790 | lpfc_worker_wake_up(phba); |
791 | ||
dea3101e JB |
792 | return 1; |
793 | } | |
794 | ||
92d7f7b0 JS |
795 | void |
796 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
797 | { | |
09372820 | 798 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
799 | struct lpfc_hba *phba = vport->phba; |
800 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
801 | int rc; | |
802 | ||
803 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
804 | if (!NLP_CHK_NODE_ACT(ndlp)) |
805 | continue; | |
92d7f7b0 JS |
806 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
807 | continue; | |
98c9ea5c JS |
808 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
809 | ((vport->port_type == LPFC_NPIV_PORT) && | |
810 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
811 | lpfc_unreg_rpi(vport, ndlp); |
812 | ||
813 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
814 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
815 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
816 | continue; |
817 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
818 | remove | |
819 | ? NLP_EVT_DEVICE_RM | |
820 | : NLP_EVT_DEVICE_RECOVERY); | |
821 | } | |
822 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
5af5eee7 JS |
823 | if (phba->sli_rev == LPFC_SLI_REV4) |
824 | lpfc_sli4_unreg_all_rpis(vport); | |
92d7f7b0 | 825 | lpfc_mbx_unreg_vpi(vport); |
09372820 | 826 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 827 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 828 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
829 | } |
830 | } | |
831 | ||
87af33fe | 832 | void |
98c9ea5c | 833 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 834 | { |
695a814e JS |
835 | lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN); |
836 | ||
45ed1190 JS |
837 | /* Cleanup any outstanding received buffers */ |
838 | lpfc_cleanup_rcv_buffers(vport); | |
839 | ||
92d7f7b0 JS |
840 | /* Cleanup any outstanding RSCN activity */ |
841 | lpfc_els_flush_rscn(vport); | |
842 | ||
843 | /* Cleanup any outstanding ELS commands */ | |
844 | lpfc_els_flush_cmd(vport); | |
845 | ||
846 | lpfc_cleanup_rpis(vport, 0); | |
847 | ||
92d7f7b0 JS |
848 | /* Turn off discovery timer if its running */ |
849 | lpfc_can_disctmo(vport); | |
850 | } | |
851 | ||
3772a991 | 852 | void |
98c9ea5c JS |
853 | lpfc_linkdown_port(struct lpfc_vport *vport) |
854 | { | |
855 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
856 | ||
857 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
858 | ||
859 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
860 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
861 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
862 | ||
863 | lpfc_port_link_failure(vport); | |
864 | ||
92494144 JS |
865 | /* Stop delayed Nport discovery */ |
866 | spin_lock_irq(shost->host_lock); | |
867 | vport->fc_flag &= ~FC_DISC_DELAYED; | |
868 | spin_unlock_irq(shost->host_lock); | |
869 | del_timer_sync(&vport->delayed_disc_tmo); | |
98c9ea5c JS |
870 | } |
871 | ||
dea3101e | 872 | int |
685f0bf7 | 873 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 874 | { |
2e0fef85 JS |
875 | struct lpfc_vport *vport = phba->pport; |
876 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 877 | struct lpfc_vport **vports; |
685f0bf7 | 878 | LPFC_MBOXQ_t *mb; |
549e55cd | 879 | int i; |
dea3101e | 880 | |
3163f725 | 881 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 882 | return 0; |
aacc20e3 JS |
883 | |
884 | /* Block all SCSI stack I/Os */ | |
885 | lpfc_scsi_dev_block(phba); | |
886 | ||
2e0fef85 | 887 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 888 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); |
72100cc4 | 889 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 890 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 891 | phba->link_state = LPFC_LINK_DOWN; |
72100cc4 | 892 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 893 | phba->pport->fc_flag &= ~FC_LBIT; |
72100cc4 | 894 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 895 | } |
549e55cd JS |
896 | vports = lpfc_create_vport_work_array(phba); |
897 | if (vports != NULL) | |
6fb120a7 | 898 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
899 | /* Issue a LINK DOWN event to all nodes */ |
900 | lpfc_linkdown_port(vports[i]); | |
901 | } | |
09372820 | 902 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 903 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
904 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
905 | if (mb) { | |
6d368e53 | 906 | lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb); |
ed957684 | 907 | mb->vport = vport; |
2e0fef85 | 908 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 909 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 910 | == MBX_NOT_FINISHED) { |
2e0fef85 | 911 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e JB |
912 | } |
913 | } | |
914 | ||
dea3101e | 915 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
916 | if (phba->pport->fc_flag & FC_PT2PT) { |
917 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
918 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
919 | if (mb) { | |
dea3101e | 920 | lpfc_config_link(phba, mb); |
92d7f7b0 | 921 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 922 | mb->vport = vport; |
0b727fea | 923 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 924 | == MBX_NOT_FINISHED) { |
2e0fef85 | 925 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e JB |
926 | } |
927 | } | |
2e0fef85 | 928 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 929 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 930 | spin_unlock_irq(shost->host_lock); |
dea3101e | 931 | } |
2e0fef85 | 932 | |
92d7f7b0 JS |
933 | return 0; |
934 | } | |
dea3101e | 935 | |
92d7f7b0 JS |
936 | static void |
937 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
938 | { | |
939 | struct lpfc_nodelist *ndlp; | |
dea3101e | 940 | |
92d7f7b0 | 941 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
942 | if (!NLP_CHK_NODE_ACT(ndlp)) |
943 | continue; | |
92d7f7b0 JS |
944 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
945 | continue; | |
92d7f7b0 | 946 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
947 | /* On Linkup its safe to clean up the ndlp |
948 | * from Fabric connections. | |
949 | */ | |
92d7f7b0 JS |
950 | if (ndlp->nlp_DID != Fabric_DID) |
951 | lpfc_unreg_rpi(vport, ndlp); | |
952 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
953 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
954 | /* Fail outstanding IO now since device is |
955 | * marked for PLOGI. | |
956 | */ | |
92d7f7b0 JS |
957 | lpfc_unreg_rpi(vport, ndlp); |
958 | } | |
959 | } | |
dea3101e JB |
960 | } |
961 | ||
92d7f7b0 JS |
962 | static void |
963 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 964 | { |
92d7f7b0 | 965 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
966 | struct lpfc_hba *phba = vport->phba; |
967 | ||
968 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
969 | return; | |
970 | ||
858c9f6c JS |
971 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
972 | "Link Up: top:x%x speed:x%x flg:x%x", | |
973 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
974 | ||
92d7f7b0 JS |
975 | /* If NPIV is not enabled, only bring the physical port up */ |
976 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
977 | (vport != phba->pport)) | |
978 | return; | |
dea3101e | 979 | |
2e0fef85 | 980 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 981 | |
2e0fef85 | 982 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
983 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
984 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
985 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
986 | vport->fc_ns_retry = 0; | |
987 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 988 | |
92d7f7b0 JS |
989 | if (vport->fc_flag & FC_LBIT) |
990 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 991 | |
92d7f7b0 JS |
992 | } |
993 | ||
994 | static int | |
995 | lpfc_linkup(struct lpfc_hba *phba) | |
996 | { | |
549e55cd JS |
997 | struct lpfc_vport **vports; |
998 | int i; | |
92d7f7b0 | 999 | |
19ca7609 | 1000 | lpfc_cleanup_wt_rrqs(phba); |
92d7f7b0 JS |
1001 | phba->link_state = LPFC_LINK_UP; |
1002 | ||
1003 | /* Unblock fabric iocbs if they are blocked */ | |
1004 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
1005 | del_timer_sync(&phba->fabric_block_timer); | |
1006 | ||
549e55cd JS |
1007 | vports = lpfc_create_vport_work_array(phba); |
1008 | if (vports != NULL) | |
6fb120a7 | 1009 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 1010 | lpfc_linkup_port(vports[i]); |
09372820 | 1011 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
1012 | |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | /* | |
1017 | * This routine handles processing a CLEAR_LA mailbox | |
1018 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1019 | * as the completion routine when the command is | |
1020 | * handed off to the SLI layer. | |
1021 | */ | |
a6ababd2 | 1022 | static void |
2e0fef85 | 1023 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1024 | { |
2e0fef85 JS |
1025 | struct lpfc_vport *vport = pmb->vport; |
1026 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1027 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 1028 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e JB |
1029 | uint32_t control; |
1030 | ||
dea3101e | 1031 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 1032 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e JB |
1033 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
1034 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
1035 | ||
1036 | /* Check for error */ | |
1037 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 1038 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
1039 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1040 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
1041 | "state x%x\n", | |
1042 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 1043 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
1044 | goto out; |
1045 | } | |
1046 | ||
92d7f7b0 JS |
1047 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
1048 | phba->link_state = LPFC_HBA_READY; | |
1049 | ||
1050 | spin_lock_irq(&phba->hbalock); | |
1051 | psli->sli_flag |= LPFC_PROCESS_LA; | |
1052 | control = readl(phba->HCregaddr); | |
1053 | control |= HC_LAINT_ENA; | |
1054 | writel(control, phba->HCregaddr); | |
1055 | readl(phba->HCregaddr); /* flush */ | |
1056 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 1057 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 1058 | return; |
dea3101e | 1059 | |
dea3101e JB |
1060 | out: |
1061 | /* Device Discovery completes */ | |
e8b62011 JS |
1062 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1063 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 1064 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1065 | |
2e0fef85 | 1066 | spin_lock_irq(shost->host_lock); |
58da1ffb | 1067 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 1068 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1069 | |
2e0fef85 | 1070 | lpfc_can_disctmo(vport); |
dea3101e JB |
1071 | |
1072 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
1073 | |
1074 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
1075 | psli->sli_flag |= LPFC_PROCESS_LA; |
1076 | control = readl(phba->HCregaddr); | |
1077 | control |= HC_LAINT_ENA; | |
1078 | writel(control, phba->HCregaddr); | |
1079 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1080 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1081 | |
1082 | return; | |
1083 | } | |
1084 | ||
2e0fef85 | 1085 | |
dea3101e | 1086 | static void |
25594c6b | 1087 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1088 | { |
2e0fef85 | 1089 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 1090 | |
04c68496 | 1091 | if (pmb->u.mb.mbxStatus) |
dea3101e | 1092 | goto out; |
dea3101e | 1093 | |
25594c6b JW |
1094 | mempool_free(pmb, phba->mbox_mem_pool); |
1095 | ||
1b51197d JS |
1096 | /* don't perform discovery for SLI4 loopback diagnostic test */ |
1097 | if ((phba->sli_rev == LPFC_SLI_REV4) && | |
1098 | !(phba->hba_flag & HBA_FCOE_MODE) && | |
1099 | (phba->link_flag & LS_LOOPBACK_MODE)) | |
1100 | return; | |
1101 | ||
76a95d75 | 1102 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP && |
2e0fef85 JS |
1103 | vport->fc_flag & FC_PUBLIC_LOOP && |
1104 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 1105 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 1106 | * for timeout. port_state is identically |
25594c6b JW |
1107 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
1108 | */ | |
2e0fef85 | 1109 | lpfc_set_disctmo(vport); |
25594c6b | 1110 | return; |
92d7f7b0 | 1111 | } |
dea3101e | 1112 | |
2e0fef85 | 1113 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
1114 | * LPFC_FLOGI while waiting for FLOGI cmpl |
1115 | */ | |
e6446439 | 1116 | if (vport->port_state != LPFC_FLOGI || vport->fc_flag & FC_PT2PT_PLOGI) |
92d7f7b0 | 1117 | lpfc_initial_flogi(vport); |
25594c6b | 1118 | return; |
dea3101e JB |
1119 | |
1120 | out: | |
e8b62011 JS |
1121 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1122 | "0306 CONFIG_LINK mbxStatus error x%x " | |
1123 | "HBA state x%x\n", | |
04c68496 | 1124 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 1125 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 1126 | |
92d7f7b0 | 1127 | lpfc_linkdown(phba); |
25594c6b | 1128 | |
e8b62011 JS |
1129 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1130 | "0200 CONFIG_LINK bad hba state x%x\n", | |
1131 | vport->port_state); | |
dea3101e | 1132 | |
92d7f7b0 | 1133 | lpfc_issue_clear_la(phba, vport); |
dea3101e JB |
1134 | return; |
1135 | } | |
1136 | ||
7d791df7 JS |
1137 | /** |
1138 | * lpfc_sli4_clear_fcf_rr_bmask | |
1139 | * @phba pointer to the struct lpfc_hba for this port. | |
1140 | * This fucnction resets the round robin bit mask and clears the | |
1141 | * fcf priority list. The list deletions are done while holding the | |
1142 | * hbalock. The ON_LIST flag and the FLOGI_FAILED flags are cleared | |
1143 | * from the lpfc_fcf_pri record. | |
1144 | **/ | |
1145 | void | |
1146 | lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *phba) | |
1147 | { | |
1148 | struct lpfc_fcf_pri *fcf_pri; | |
1149 | struct lpfc_fcf_pri *next_fcf_pri; | |
1150 | memset(phba->fcf.fcf_rr_bmask, 0, sizeof(*phba->fcf.fcf_rr_bmask)); | |
1151 | spin_lock_irq(&phba->hbalock); | |
1152 | list_for_each_entry_safe(fcf_pri, next_fcf_pri, | |
1153 | &phba->fcf.fcf_pri_list, list) { | |
1154 | list_del_init(&fcf_pri->list); | |
1155 | fcf_pri->fcf_rec.flag = 0; | |
1156 | } | |
1157 | spin_unlock_irq(&phba->hbalock); | |
1158 | } | |
6fb120a7 JS |
1159 | static void |
1160 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1161 | { | |
1162 | struct lpfc_vport *vport = mboxq->vport; | |
6fb120a7 JS |
1163 | |
1164 | if (mboxq->u.mb.mbxStatus) { | |
1165 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1166 | "2017 REG_FCFI mbxStatus error x%x " | |
1167 | "HBA state x%x\n", | |
1168 | mboxq->u.mb.mbxStatus, vport->port_state); | |
a93ff37a | 1169 | goto fail_out; |
6fb120a7 JS |
1170 | } |
1171 | ||
1172 | /* Start FCoE discovery by sending a FLOGI. */ | |
1173 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1174 | /* Set the FCFI registered flag */ | |
d439d286 | 1175 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 1176 | phba->fcf.fcf_flag |= FCF_REGISTERED; |
d439d286 | 1177 | spin_unlock_irq(&phba->hbalock); |
a93ff37a | 1178 | |
32b9793f | 1179 | /* If there is a pending FCoE event, restart FCF table scan. */ |
7d791df7 JS |
1180 | if ((!(phba->hba_flag & FCF_RR_INPROG)) && |
1181 | lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF)) | |
a93ff37a JS |
1182 | goto fail_out; |
1183 | ||
1184 | /* Mark successful completion of FCF table scan */ | |
d439d286 | 1185 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 1186 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
a93ff37a JS |
1187 | phba->hba_flag &= ~FCF_TS_INPROG; |
1188 | if (vport->port_state != LPFC_FLOGI) { | |
1189 | phba->hba_flag |= FCF_RR_INPROG; | |
1190 | spin_unlock_irq(&phba->hbalock); | |
76a95d75 | 1191 | lpfc_issue_init_vfi(vport); |
a93ff37a JS |
1192 | goto out; |
1193 | } | |
1194 | spin_unlock_irq(&phba->hbalock); | |
1195 | goto out; | |
6fb120a7 | 1196 | |
a93ff37a JS |
1197 | fail_out: |
1198 | spin_lock_irq(&phba->hbalock); | |
1199 | phba->hba_flag &= ~FCF_RR_INPROG; | |
1200 | spin_unlock_irq(&phba->hbalock); | |
1201 | out: | |
6fb120a7 | 1202 | mempool_free(mboxq, phba->mbox_mem_pool); |
6fb120a7 JS |
1203 | } |
1204 | ||
1205 | /** | |
1206 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1207 | * @fab_name: pointer to fabric name. | |
1208 | * @new_fcf_record: pointer to fcf record. | |
1209 | * | |
1210 | * This routine compare the fcf record's fabric name with provided | |
1211 | * fabric name. If the fabric name are identical this function | |
1212 | * returns 1 else return 0. | |
1213 | **/ | |
1214 | static uint32_t | |
1215 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1216 | { | |
ecfd03c6 JS |
1217 | if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) |
1218 | return 0; | |
1219 | if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) | |
1220 | return 0; | |
1221 | if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) | |
1222 | return 0; | |
1223 | if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) | |
1224 | return 0; | |
1225 | if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) | |
1226 | return 0; | |
1227 | if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) | |
6fb120a7 | 1228 | return 0; |
ecfd03c6 JS |
1229 | if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) |
1230 | return 0; | |
1231 | if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)) | |
1232 | return 0; | |
1233 | return 1; | |
6fb120a7 JS |
1234 | } |
1235 | ||
8fa38513 JS |
1236 | /** |
1237 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1238 | * @fab_name: pointer to fabric name. | |
1239 | * @new_fcf_record: pointer to fcf record. | |
1240 | * | |
1241 | * This routine compare the fcf record's switch name with provided | |
1242 | * switch name. If the switch name are identical this function | |
1243 | * returns 1 else return 0. | |
1244 | **/ | |
1245 | static uint32_t | |
1246 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1247 | { | |
ecfd03c6 JS |
1248 | if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) |
1249 | return 0; | |
1250 | if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) | |
1251 | return 0; | |
1252 | if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) | |
8fa38513 | 1253 | return 0; |
ecfd03c6 JS |
1254 | if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) |
1255 | return 0; | |
1256 | if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) | |
1257 | return 0; | |
1258 | if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) | |
1259 | return 0; | |
1260 | if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) | |
1261 | return 0; | |
1262 | if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)) | |
1263 | return 0; | |
1264 | return 1; | |
8fa38513 JS |
1265 | } |
1266 | ||
6fb120a7 JS |
1267 | /** |
1268 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
ecfd03c6 | 1269 | * @mac_addr: pointer to mac address. |
6fb120a7 JS |
1270 | * @new_fcf_record: pointer to fcf record. |
1271 | * | |
1272 | * This routine compare the fcf record's mac address with HBA's | |
1273 | * FCF mac address. If the mac addresses are identical this function | |
1274 | * returns 1 else return 0. | |
1275 | **/ | |
1276 | static uint32_t | |
ecfd03c6 | 1277 | lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record) |
6fb120a7 | 1278 | { |
ecfd03c6 JS |
1279 | if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) |
1280 | return 0; | |
1281 | if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) | |
1282 | return 0; | |
1283 | if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) | |
1284 | return 0; | |
1285 | if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) | |
1286 | return 0; | |
1287 | if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) | |
1288 | return 0; | |
1289 | if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record)) | |
6fb120a7 | 1290 | return 0; |
ecfd03c6 JS |
1291 | return 1; |
1292 | } | |
1293 | ||
1294 | static bool | |
1295 | lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id) | |
1296 | { | |
1297 | return (curr_vlan_id == new_vlan_id); | |
6fb120a7 JS |
1298 | } |
1299 | ||
7d791df7 JS |
1300 | /** |
1301 | * lpfc_update_fcf_record - Update driver fcf record | |
1302 | * __lpfc_update_fcf_record_pri - update the lpfc_fcf_pri record. | |
1303 | * @phba: pointer to lpfc hba data structure. | |
1304 | * @fcf_index: Index for the lpfc_fcf_record. | |
1305 | * @new_fcf_record: pointer to hba fcf record. | |
1306 | * | |
1307 | * This routine updates the driver FCF priority record from the new HBA FCF | |
1308 | * record. This routine is called with the host lock held. | |
1309 | **/ | |
1310 | static void | |
1311 | __lpfc_update_fcf_record_pri(struct lpfc_hba *phba, uint16_t fcf_index, | |
1312 | struct fcf_record *new_fcf_record | |
1313 | ) | |
1314 | { | |
1315 | struct lpfc_fcf_pri *fcf_pri; | |
1316 | ||
1317 | fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
1318 | fcf_pri->fcf_rec.fcf_index = fcf_index; | |
1319 | /* FCF record priority */ | |
1320 | fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority; | |
1321 | ||
1322 | } | |
1323 | ||
6fb120a7 JS |
1324 | /** |
1325 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
ecfd03c6 | 1326 | * @fcf: pointer to driver fcf record. |
6fb120a7 JS |
1327 | * @new_fcf_record: pointer to fcf record. |
1328 | * | |
1329 | * This routine copies the FCF information from the FCF | |
1330 | * record to lpfc_hba data structure. | |
1331 | **/ | |
1332 | static void | |
ecfd03c6 JS |
1333 | lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec, |
1334 | struct fcf_record *new_fcf_record) | |
6fb120a7 | 1335 | { |
ecfd03c6 JS |
1336 | /* Fabric name */ |
1337 | fcf_rec->fabric_name[0] = | |
6fb120a7 | 1338 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); |
ecfd03c6 | 1339 | fcf_rec->fabric_name[1] = |
6fb120a7 | 1340 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); |
ecfd03c6 | 1341 | fcf_rec->fabric_name[2] = |
6fb120a7 | 1342 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); |
ecfd03c6 | 1343 | fcf_rec->fabric_name[3] = |
6fb120a7 | 1344 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); |
ecfd03c6 | 1345 | fcf_rec->fabric_name[4] = |
6fb120a7 | 1346 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); |
ecfd03c6 | 1347 | fcf_rec->fabric_name[5] = |
6fb120a7 | 1348 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); |
ecfd03c6 | 1349 | fcf_rec->fabric_name[6] = |
6fb120a7 | 1350 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); |
ecfd03c6 | 1351 | fcf_rec->fabric_name[7] = |
6fb120a7 | 1352 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); |
ecfd03c6 JS |
1353 | /* Mac address */ |
1354 | fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1355 | fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1356 | fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1357 | fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1358 | fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1359 | fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1360 | /* FCF record index */ | |
1361 | fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1362 | /* FCF record priority */ | |
1363 | fcf_rec->priority = new_fcf_record->fip_priority; | |
1364 | /* Switch name */ | |
1365 | fcf_rec->switch_name[0] = | |
8fa38513 | 1366 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); |
ecfd03c6 | 1367 | fcf_rec->switch_name[1] = |
8fa38513 | 1368 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); |
ecfd03c6 | 1369 | fcf_rec->switch_name[2] = |
8fa38513 | 1370 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); |
ecfd03c6 | 1371 | fcf_rec->switch_name[3] = |
8fa38513 | 1372 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); |
ecfd03c6 | 1373 | fcf_rec->switch_name[4] = |
8fa38513 | 1374 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); |
ecfd03c6 | 1375 | fcf_rec->switch_name[5] = |
8fa38513 | 1376 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); |
ecfd03c6 | 1377 | fcf_rec->switch_name[6] = |
8fa38513 | 1378 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); |
ecfd03c6 | 1379 | fcf_rec->switch_name[7] = |
8fa38513 | 1380 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); |
6fb120a7 JS |
1381 | } |
1382 | ||
ecfd03c6 JS |
1383 | /** |
1384 | * lpfc_update_fcf_record - Update driver fcf record | |
1385 | * @phba: pointer to lpfc hba data structure. | |
1386 | * @fcf_rec: pointer to driver fcf record. | |
1387 | * @new_fcf_record: pointer to hba fcf record. | |
1388 | * @addr_mode: address mode to be set to the driver fcf record. | |
1389 | * @vlan_id: vlan tag to be set to the driver fcf record. | |
1390 | * @flag: flag bits to be set to the driver fcf record. | |
1391 | * | |
1392 | * This routine updates the driver FCF record from the new HBA FCF record | |
1393 | * together with the address mode, vlan_id, and other informations. This | |
1394 | * routine is called with the host lock held. | |
1395 | **/ | |
1396 | static void | |
1397 | __lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec, | |
1398 | struct fcf_record *new_fcf_record, uint32_t addr_mode, | |
1399 | uint16_t vlan_id, uint32_t flag) | |
1400 | { | |
1401 | /* Copy the fields from the HBA's FCF record */ | |
1402 | lpfc_copy_fcf_record(fcf_rec, new_fcf_record); | |
1403 | /* Update other fields of driver FCF record */ | |
1404 | fcf_rec->addr_mode = addr_mode; | |
1405 | fcf_rec->vlan_id = vlan_id; | |
1406 | fcf_rec->flag |= (flag | RECORD_VALID); | |
7d791df7 JS |
1407 | __lpfc_update_fcf_record_pri(phba, |
1408 | bf_get(lpfc_fcf_record_fcf_index, new_fcf_record), | |
1409 | new_fcf_record); | |
ecfd03c6 JS |
1410 | } |
1411 | ||
6fb120a7 JS |
1412 | /** |
1413 | * lpfc_register_fcf - Register the FCF with hba. | |
1414 | * @phba: pointer to lpfc hba data structure. | |
1415 | * | |
1416 | * This routine issues a register fcfi mailbox command to register | |
1417 | * the fcf with HBA. | |
1418 | **/ | |
1419 | static void | |
1420 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1421 | { | |
1422 | LPFC_MBOXQ_t *fcf_mbxq; | |
1423 | int rc; | |
6fb120a7 | 1424 | |
d439d286 | 1425 | spin_lock_irq(&phba->hbalock); |
25985edc | 1426 | /* If the FCF is not available do nothing. */ |
6fb120a7 | 1427 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { |
a93ff37a | 1428 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1429 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1430 | return; |
1431 | } | |
1432 | ||
1433 | /* The FCF is already registered, start discovery */ | |
1434 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
ecfd03c6 | 1435 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
a93ff37a | 1436 | phba->hba_flag &= ~FCF_TS_INPROG; |
e74c03c8 JS |
1437 | if (phba->pport->port_state != LPFC_FLOGI && |
1438 | phba->pport->fc_flag & FC_FABRIC) { | |
a93ff37a JS |
1439 | phba->hba_flag |= FCF_RR_INPROG; |
1440 | spin_unlock_irq(&phba->hbalock); | |
bf08611b | 1441 | lpfc_initial_flogi(phba->pport); |
a93ff37a JS |
1442 | return; |
1443 | } | |
1444 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
1445 | return; |
1446 | } | |
d439d286 | 1447 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1448 | |
a93ff37a | 1449 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4d9ab994 | 1450 | if (!fcf_mbxq) { |
d439d286 | 1451 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1452 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1453 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1454 | return; |
4d9ab994 | 1455 | } |
6fb120a7 JS |
1456 | |
1457 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1458 | fcf_mbxq->vport = phba->pport; | |
1459 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1460 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 | 1461 | if (rc == MBX_NOT_FINISHED) { |
d439d286 | 1462 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1463 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
d439d286 | 1464 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 | 1465 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1466 | } |
6fb120a7 JS |
1467 | |
1468 | return; | |
1469 | } | |
1470 | ||
1471 | /** | |
1472 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1473 | * @phba: pointer to lpfc hba data structure. | |
1474 | * @new_fcf_record: pointer to fcf record. | |
1475 | * @boot_flag: Indicates if this record used by boot bios. | |
1476 | * @addr_mode: The address mode to be used by this FCF | |
ecfd03c6 | 1477 | * @vlan_id: The vlan id to be used as vlan tagging by this FCF. |
6fb120a7 JS |
1478 | * |
1479 | * This routine compare the fcf record with connect list obtained from the | |
1480 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1481 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1482 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1483 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1484 | * used for this FCF when the function returns. | |
1485 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1486 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
dbb6b3ab | 1487 | * be used with the FCF vlan_id will be set to LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1488 | **/ |
1489 | static int | |
1490 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1491 | struct fcf_record *new_fcf_record, | |
1492 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1493 | uint16_t *vlan_id) | |
1494 | { | |
1495 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1496 | int i, j, fcf_vlan_id = 0; |
1497 | ||
1498 | /* Find the lowest VLAN id in the FCF record */ | |
1499 | for (i = 0; i < 512; i++) { | |
1500 | if (new_fcf_record->vlan_bitmap[i]) { | |
1501 | fcf_vlan_id = i * 8; | |
1502 | j = 0; | |
1503 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1504 | j++; | |
1505 | fcf_vlan_id++; | |
1506 | } | |
1507 | break; | |
1508 | } | |
1509 | } | |
6fb120a7 | 1510 | |
26979ced | 1511 | /* FCF not valid/available or solicitation in progress */ |
0c287589 | 1512 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || |
26979ced JS |
1513 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record) || |
1514 | bf_get(lpfc_fcf_record_fcf_sol, new_fcf_record)) | |
0c287589 JS |
1515 | return 0; |
1516 | ||
45ed1190 | 1517 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1518 | *boot_flag = 0; |
1519 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1520 | new_fcf_record); | |
1521 | if (phba->valid_vlan) | |
1522 | *vlan_id = phba->vlan_id; | |
1523 | else | |
dbb6b3ab | 1524 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1525 | return 1; |
1526 | } | |
1527 | ||
1528 | /* | |
1529 | * If there are no FCF connection table entry, driver connect to all | |
1530 | * FCFs. | |
1531 | */ | |
1532 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1533 | *boot_flag = 0; | |
1534 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1535 | new_fcf_record); | |
0c287589 JS |
1536 | |
1537 | /* | |
1538 | * When there are no FCF connect entries, use driver's default | |
1539 | * addressing mode - FPMA. | |
1540 | */ | |
1541 | if (*addr_mode & LPFC_FCF_FPMA) | |
1542 | *addr_mode = LPFC_FCF_FPMA; | |
1543 | ||
4d9ab994 JS |
1544 | /* If FCF record report a vlan id use that vlan id */ |
1545 | if (fcf_vlan_id) | |
1546 | *vlan_id = fcf_vlan_id; | |
1547 | else | |
dbb6b3ab | 1548 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1549 | return 1; |
1550 | } | |
1551 | ||
ecfd03c6 JS |
1552 | list_for_each_entry(conn_entry, |
1553 | &phba->fcf_conn_rec_list, list) { | |
6fb120a7 JS |
1554 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) |
1555 | continue; | |
1556 | ||
1557 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1558 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1559 | new_fcf_record)) |
1560 | continue; | |
1561 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1562 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1563 | new_fcf_record)) | |
6fb120a7 | 1564 | continue; |
6fb120a7 JS |
1565 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1566 | /* | |
1567 | * If the vlan bit map does not have the bit set for the | |
1568 | * vlan id to be used, then it is not a match. | |
1569 | */ | |
1570 | if (!(new_fcf_record->vlan_bitmap | |
1571 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1572 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1573 | continue; | |
1574 | } | |
1575 | ||
0c287589 JS |
1576 | /* |
1577 | * If connection record does not support any addressing mode, | |
1578 | * skip the FCF record. | |
1579 | */ | |
1580 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1581 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1582 | continue; | |
1583 | ||
6fb120a7 JS |
1584 | /* |
1585 | * Check if the connection record specifies a required | |
1586 | * addressing mode. | |
1587 | */ | |
1588 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1589 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1590 | ||
1591 | /* | |
1592 | * If SPMA required but FCF not support this continue. | |
1593 | */ | |
1594 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1595 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1596 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1597 | continue; | |
1598 | ||
1599 | /* | |
1600 | * If FPMA required but FCF not support this continue. | |
1601 | */ | |
1602 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1603 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1604 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1605 | continue; | |
1606 | } | |
1607 | ||
1608 | /* | |
1609 | * This fcf record matches filtering criteria. | |
1610 | */ | |
1611 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1612 | *boot_flag = 1; | |
1613 | else | |
1614 | *boot_flag = 0; | |
1615 | ||
0c287589 JS |
1616 | /* |
1617 | * If user did not specify any addressing mode, or if the | |
25985edc | 1618 | * preferred addressing mode specified by user is not supported |
0c287589 JS |
1619 | * by FCF, allow fabric to pick the addressing mode. |
1620 | */ | |
6fb120a7 JS |
1621 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1622 | new_fcf_record); | |
1623 | /* | |
1624 | * If the user specified a required address mode, assign that | |
1625 | * address mode | |
1626 | */ | |
1627 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1628 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1629 | *addr_mode = (conn_entry->conn_rec.flags & | |
1630 | FCFCNCT_AM_SPMA) ? | |
1631 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1632 | /* | |
25985edc | 1633 | * If the user specified a preferred address mode, use the |
6fb120a7 JS |
1634 | * addr mode only if FCF support the addr_mode. |
1635 | */ | |
1636 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1637 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1638 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1639 | (*addr_mode & LPFC_FCF_SPMA)) | |
1640 | *addr_mode = LPFC_FCF_SPMA; | |
1641 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1642 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1643 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1644 | (*addr_mode & LPFC_FCF_FPMA)) | |
1645 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1646 | |
4d9ab994 | 1647 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1648 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1649 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1650 | /* |
1651 | * If no vlan id is specified in connect list, use the vlan id | |
1652 | * in the FCF record | |
1653 | */ | |
1654 | else if (fcf_vlan_id) | |
1655 | *vlan_id = fcf_vlan_id; | |
6fb120a7 | 1656 | else |
dbb6b3ab | 1657 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1658 | |
1659 | return 1; | |
1660 | } | |
1661 | ||
1662 | return 0; | |
1663 | } | |
1664 | ||
32b9793f JS |
1665 | /** |
1666 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1667 | * @phba: pointer to lpfc hba data structure. | |
1668 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1669 | * | |
1670 | * This function check if there is any fcoe event pending while driver | |
1671 | * scan FCF entries. If there is any pending event, it will restart the | |
1672 | * FCF saning and return 1 else return 0. | |
1673 | */ | |
1674 | int | |
1675 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1676 | { | |
32b9793f JS |
1677 | /* |
1678 | * If the Link is up and no FCoE events while in the | |
1679 | * FCF discovery, no need to restart FCF discovery. | |
1680 | */ | |
1681 | if ((phba->link_state >= LPFC_LINK_UP) && | |
a93ff37a | 1682 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) |
32b9793f JS |
1683 | return 0; |
1684 | ||
0c9ab6f5 JS |
1685 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1686 | "2768 Pending link or FCF event during current " | |
1687 | "handling of the previous event: link_state:x%x, " | |
1688 | "evt_tag_at_scan:x%x, evt_tag_current:x%x\n", | |
1689 | phba->link_state, phba->fcoe_eventtag_at_fcf_scan, | |
1690 | phba->fcoe_eventtag); | |
1691 | ||
32b9793f JS |
1692 | spin_lock_irq(&phba->hbalock); |
1693 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1694 | spin_unlock_irq(&phba->hbalock); | |
1695 | ||
0c9ab6f5 JS |
1696 | if (phba->link_state >= LPFC_LINK_UP) { |
1697 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
1698 | "2780 Restart FCF table scan due to " | |
1699 | "pending FCF event:evt_tag_at_scan:x%x, " | |
1700 | "evt_tag_current:x%x\n", | |
1701 | phba->fcoe_eventtag_at_fcf_scan, | |
1702 | phba->fcoe_eventtag); | |
1703 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1704 | } else { | |
4d9ab994 | 1705 | /* |
a93ff37a | 1706 | * Do not continue FCF discovery and clear FCF_TS_INPROG |
4d9ab994 JS |
1707 | * flag |
1708 | */ | |
dbb6b3ab JS |
1709 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
1710 | "2833 Stop FCF discovery process due to link " | |
1711 | "state change (x%x)\n", phba->link_state); | |
1c6f4ef5 | 1712 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 1713 | phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); |
0c9ab6f5 | 1714 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); |
1c6f4ef5 JS |
1715 | spin_unlock_irq(&phba->hbalock); |
1716 | } | |
32b9793f | 1717 | |
0c9ab6f5 | 1718 | /* Unregister the currently registered FCF if required */ |
32b9793f JS |
1719 | if (unreg_fcf) { |
1720 | spin_lock_irq(&phba->hbalock); | |
1721 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1722 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 1723 | lpfc_sli4_unregister_fcf(phba); |
32b9793f | 1724 | } |
32b9793f JS |
1725 | return 1; |
1726 | } | |
1727 | ||
6fb120a7 | 1728 | /** |
999d813f JS |
1729 | * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record |
1730 | * @phba: pointer to lpfc hba data structure. | |
1731 | * @fcf_cnt: number of eligible fcf record seen so far. | |
1732 | * | |
1733 | * This function makes an running random selection decision on FCF record to | |
1734 | * use through a sequence of @fcf_cnt eligible FCF records with equal | |
1735 | * probability. To perform integer manunipulation of random numbers with | |
1736 | * size unit32_t, the lower 16 bits of the 32-bit random number returned | |
3b60a64f | 1737 | * from prandom_u32() are taken as the random random number generated. |
999d813f JS |
1738 | * |
1739 | * Returns true when outcome is for the newly read FCF record should be | |
1740 | * chosen; otherwise, return false when outcome is for keeping the previously | |
1741 | * chosen FCF record. | |
1742 | **/ | |
1743 | static bool | |
1744 | lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt) | |
1745 | { | |
1746 | uint32_t rand_num; | |
1747 | ||
1748 | /* Get 16-bit uniform random number */ | |
3b60a64f | 1749 | rand_num = 0xFFFF & prandom_u32(); |
999d813f JS |
1750 | |
1751 | /* Decision with probability 1/fcf_cnt */ | |
1752 | if ((fcf_cnt * rand_num) < 0xFFFF) | |
1753 | return true; | |
1754 | else | |
1755 | return false; | |
1756 | } | |
1757 | ||
1758 | /** | |
3804dc84 | 1759 | * lpfc_sli4_fcf_rec_mbox_parse - Parse read_fcf mbox command. |
6fb120a7 JS |
1760 | * @phba: pointer to lpfc hba data structure. |
1761 | * @mboxq: pointer to mailbox object. | |
0c9ab6f5 | 1762 | * @next_fcf_index: pointer to holder of next fcf index. |
6fb120a7 | 1763 | * |
0c9ab6f5 JS |
1764 | * This routine parses the non-embedded fcf mailbox command by performing the |
1765 | * necessarily error checking, non-embedded read FCF record mailbox command | |
1766 | * SGE parsing, and endianness swapping. | |
1767 | * | |
1768 | * Returns the pointer to the new FCF record in the non-embedded mailbox | |
1769 | * command DMA memory if successfully, other NULL. | |
6fb120a7 | 1770 | */ |
0c9ab6f5 JS |
1771 | static struct fcf_record * |
1772 | lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
1773 | uint16_t *next_fcf_index) | |
6fb120a7 JS |
1774 | { |
1775 | void *virt_addr; | |
1776 | dma_addr_t phys_addr; | |
6fb120a7 JS |
1777 | struct lpfc_mbx_sge sge; |
1778 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1779 | uint32_t shdr_status, shdr_add_status; | |
1780 | union lpfc_sli4_cfg_shdr *shdr; | |
1781 | struct fcf_record *new_fcf_record; | |
32b9793f | 1782 | |
6fb120a7 JS |
1783 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1784 | * routine only uses a single SGE. | |
1785 | */ | |
1786 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1787 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1788 | if (unlikely(!mboxq->sge_array)) { | |
1789 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1790 | "2524 Failed to get the non-embedded SGE " | |
1791 | "virtual address\n"); | |
0c9ab6f5 | 1792 | return NULL; |
6fb120a7 JS |
1793 | } |
1794 | virt_addr = mboxq->sge_array->addr[0]; | |
1795 | ||
1796 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
2562669c JS |
1797 | lpfc_sli_pcimem_bcopy(shdr, shdr, |
1798 | sizeof(union lpfc_sli4_cfg_shdr)); | |
6fb120a7 | 1799 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
0c9ab6f5 | 1800 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); |
6fb120a7 | 1801 | if (shdr_status || shdr_add_status) { |
0c9ab6f5 JS |
1802 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) |
1803 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 JS |
1804 | "2726 READ_FCF_RECORD Indicates empty " |
1805 | "FCF table.\n"); | |
0c9ab6f5 JS |
1806 | else |
1807 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 | 1808 | "2521 READ_FCF_RECORD mailbox failed " |
0c9ab6f5 JS |
1809 | "with status x%x add_status x%x, " |
1810 | "mbx\n", shdr_status, shdr_add_status); | |
1811 | return NULL; | |
6fb120a7 | 1812 | } |
0c9ab6f5 JS |
1813 | |
1814 | /* Interpreting the returned information of the FCF record */ | |
6fb120a7 JS |
1815 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; |
1816 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1817 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
0c9ab6f5 | 1818 | *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); |
6fb120a7 JS |
1819 | new_fcf_record = (struct fcf_record *)(virt_addr + |
1820 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1821 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
cb5172ea JS |
1822 | offsetof(struct fcf_record, vlan_bitmap)); |
1823 | new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137); | |
1824 | new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138); | |
6fb120a7 | 1825 | |
0c9ab6f5 JS |
1826 | return new_fcf_record; |
1827 | } | |
1828 | ||
1829 | /** | |
1830 | * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record | |
1831 | * @phba: pointer to lpfc hba data structure. | |
1832 | * @fcf_record: pointer to the fcf record. | |
1833 | * @vlan_id: the lowest vlan identifier associated to this fcf record. | |
1834 | * @next_fcf_index: the index to the next fcf record in hba's fcf table. | |
1835 | * | |
1836 | * This routine logs the detailed FCF record if the LOG_FIP loggin is | |
1837 | * enabled. | |
1838 | **/ | |
1839 | static void | |
1840 | lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba, | |
1841 | struct fcf_record *fcf_record, | |
1842 | uint16_t vlan_id, | |
1843 | uint16_t next_fcf_index) | |
1844 | { | |
1845 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1846 | "2764 READ_FCF_RECORD:\n" | |
1847 | "\tFCF_Index : x%x\n" | |
1848 | "\tFCF_Avail : x%x\n" | |
1849 | "\tFCF_Valid : x%x\n" | |
26979ced | 1850 | "\tFCF_SOL : x%x\n" |
0c9ab6f5 JS |
1851 | "\tFIP_Priority : x%x\n" |
1852 | "\tMAC_Provider : x%x\n" | |
1853 | "\tLowest VLANID : x%x\n" | |
1854 | "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n" | |
1855 | "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1856 | "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1857 | "\tNext_FCF_Index: x%x\n", | |
1858 | bf_get(lpfc_fcf_record_fcf_index, fcf_record), | |
1859 | bf_get(lpfc_fcf_record_fcf_avail, fcf_record), | |
1860 | bf_get(lpfc_fcf_record_fcf_valid, fcf_record), | |
26979ced | 1861 | bf_get(lpfc_fcf_record_fcf_sol, fcf_record), |
0c9ab6f5 JS |
1862 | fcf_record->fip_priority, |
1863 | bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record), | |
1864 | vlan_id, | |
1865 | bf_get(lpfc_fcf_record_mac_0, fcf_record), | |
1866 | bf_get(lpfc_fcf_record_mac_1, fcf_record), | |
1867 | bf_get(lpfc_fcf_record_mac_2, fcf_record), | |
1868 | bf_get(lpfc_fcf_record_mac_3, fcf_record), | |
1869 | bf_get(lpfc_fcf_record_mac_4, fcf_record), | |
1870 | bf_get(lpfc_fcf_record_mac_5, fcf_record), | |
1871 | bf_get(lpfc_fcf_record_fab_name_0, fcf_record), | |
1872 | bf_get(lpfc_fcf_record_fab_name_1, fcf_record), | |
1873 | bf_get(lpfc_fcf_record_fab_name_2, fcf_record), | |
1874 | bf_get(lpfc_fcf_record_fab_name_3, fcf_record), | |
1875 | bf_get(lpfc_fcf_record_fab_name_4, fcf_record), | |
1876 | bf_get(lpfc_fcf_record_fab_name_5, fcf_record), | |
1877 | bf_get(lpfc_fcf_record_fab_name_6, fcf_record), | |
1878 | bf_get(lpfc_fcf_record_fab_name_7, fcf_record), | |
1879 | bf_get(lpfc_fcf_record_switch_name_0, fcf_record), | |
1880 | bf_get(lpfc_fcf_record_switch_name_1, fcf_record), | |
1881 | bf_get(lpfc_fcf_record_switch_name_2, fcf_record), | |
1882 | bf_get(lpfc_fcf_record_switch_name_3, fcf_record), | |
1883 | bf_get(lpfc_fcf_record_switch_name_4, fcf_record), | |
1884 | bf_get(lpfc_fcf_record_switch_name_5, fcf_record), | |
1885 | bf_get(lpfc_fcf_record_switch_name_6, fcf_record), | |
1886 | bf_get(lpfc_fcf_record_switch_name_7, fcf_record), | |
1887 | next_fcf_index); | |
1888 | } | |
1889 | ||
dbb6b3ab JS |
1890 | /** |
1891 | lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF | |
1892 | * @phba: pointer to lpfc hba data structure. | |
1893 | * @fcf_rec: pointer to an existing FCF record. | |
1894 | * @new_fcf_record: pointer to a new FCF record. | |
1895 | * @new_vlan_id: vlan id from the new FCF record. | |
1896 | * | |
1897 | * This function performs matching test of a new FCF record against an existing | |
1898 | * FCF record. If the new_vlan_id passed in is LPFC_FCOE_IGNORE_VID, vlan id | |
1899 | * will not be used as part of the FCF record matching criteria. | |
1900 | * | |
1901 | * Returns true if all the fields matching, otherwise returns false. | |
1902 | */ | |
1903 | static bool | |
1904 | lpfc_sli4_fcf_record_match(struct lpfc_hba *phba, | |
1905 | struct lpfc_fcf_rec *fcf_rec, | |
1906 | struct fcf_record *new_fcf_record, | |
1907 | uint16_t new_vlan_id) | |
1908 | { | |
1909 | if (new_vlan_id != LPFC_FCOE_IGNORE_VID) | |
1910 | if (!lpfc_vlan_id_match(fcf_rec->vlan_id, new_vlan_id)) | |
1911 | return false; | |
1912 | if (!lpfc_mac_addr_match(fcf_rec->mac_addr, new_fcf_record)) | |
1913 | return false; | |
1914 | if (!lpfc_sw_name_match(fcf_rec->switch_name, new_fcf_record)) | |
1915 | return false; | |
1916 | if (!lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record)) | |
1917 | return false; | |
7d791df7 JS |
1918 | if (fcf_rec->priority != new_fcf_record->fip_priority) |
1919 | return false; | |
dbb6b3ab JS |
1920 | return true; |
1921 | } | |
1922 | ||
a93ff37a JS |
1923 | /** |
1924 | * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf | |
1925 | * @vport: Pointer to vport object. | |
1926 | * @fcf_index: index to next fcf. | |
1927 | * | |
1928 | * This function processing the roundrobin fcf failover to next fcf index. | |
1929 | * When this function is invoked, there will be a current fcf registered | |
1930 | * for flogi. | |
1931 | * Return: 0 for continue retrying flogi on currently registered fcf; | |
1932 | * 1 for stop flogi on currently registered fcf; | |
1933 | */ | |
1934 | int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index) | |
1935 | { | |
1936 | struct lpfc_hba *phba = vport->phba; | |
1937 | int rc; | |
1938 | ||
1939 | if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) { | |
1940 | spin_lock_irq(&phba->hbalock); | |
1941 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
1942 | spin_unlock_irq(&phba->hbalock); | |
1943 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1944 | "2872 Devloss tmo with no eligible " | |
1945 | "FCF, unregister in-use FCF (x%x) " | |
1946 | "and rescan FCF table\n", | |
1947 | phba->fcf.current_rec.fcf_indx); | |
1948 | lpfc_unregister_fcf_rescan(phba); | |
1949 | goto stop_flogi_current_fcf; | |
1950 | } | |
1951 | /* Mark the end to FLOGI roundrobin failover */ | |
1952 | phba->hba_flag &= ~FCF_RR_INPROG; | |
1953 | /* Allow action to new fcf asynchronous event */ | |
1954 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
1955 | spin_unlock_irq(&phba->hbalock); | |
1956 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1957 | "2865 No FCF available, stop roundrobin FCF " | |
1958 | "failover and change port state:x%x/x%x\n", | |
1959 | phba->pport->port_state, LPFC_VPORT_UNKNOWN); | |
1960 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
1961 | goto stop_flogi_current_fcf; | |
1962 | } else { | |
1963 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS, | |
1964 | "2794 Try FLOGI roundrobin FCF failover to " | |
1965 | "(x%x)\n", fcf_index); | |
1966 | rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index); | |
1967 | if (rc) | |
1968 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, | |
1969 | "2761 FLOGI roundrobin FCF failover " | |
1970 | "failed (rc:x%x) to read FCF (x%x)\n", | |
1971 | rc, phba->fcf.current_rec.fcf_indx); | |
1972 | else | |
1973 | goto stop_flogi_current_fcf; | |
1974 | } | |
1975 | return 0; | |
1976 | ||
1977 | stop_flogi_current_fcf: | |
1978 | lpfc_can_disctmo(vport); | |
1979 | return 1; | |
1980 | } | |
1981 | ||
7d791df7 JS |
1982 | /** |
1983 | * lpfc_sli4_fcf_pri_list_del | |
1984 | * @phba: pointer to lpfc hba data structure. | |
1985 | * @fcf_index the index of the fcf record to delete | |
1986 | * This routine checks the on list flag of the fcf_index to be deleted. | |
1987 | * If it is one the list then it is removed from the list, and the flag | |
1988 | * is cleared. This routine grab the hbalock before removing the fcf | |
1989 | * record from the list. | |
1990 | **/ | |
1991 | static void lpfc_sli4_fcf_pri_list_del(struct lpfc_hba *phba, | |
1992 | uint16_t fcf_index) | |
1993 | { | |
1994 | struct lpfc_fcf_pri *new_fcf_pri; | |
1995 | ||
1996 | new_fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
1997 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1998 | "3058 deleting idx x%x pri x%x flg x%x\n", | |
1999 | fcf_index, new_fcf_pri->fcf_rec.priority, | |
2000 | new_fcf_pri->fcf_rec.flag); | |
2001 | spin_lock_irq(&phba->hbalock); | |
2002 | if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST) { | |
2003 | if (phba->fcf.current_rec.priority == | |
2004 | new_fcf_pri->fcf_rec.priority) | |
2005 | phba->fcf.eligible_fcf_cnt--; | |
2006 | list_del_init(&new_fcf_pri->list); | |
2007 | new_fcf_pri->fcf_rec.flag &= ~LPFC_FCF_ON_PRI_LIST; | |
2008 | } | |
2009 | spin_unlock_irq(&phba->hbalock); | |
2010 | } | |
2011 | ||
2012 | /** | |
2013 | * lpfc_sli4_set_fcf_flogi_fail | |
2014 | * @phba: pointer to lpfc hba data structure. | |
2015 | * @fcf_index the index of the fcf record to update | |
2016 | * This routine acquires the hbalock and then set the LPFC_FCF_FLOGI_FAILED | |
2017 | * flag so the the round robin slection for the particular priority level | |
2018 | * will try a different fcf record that does not have this bit set. | |
2019 | * If the fcf record is re-read for any reason this flag is cleared brfore | |
2020 | * adding it to the priority list. | |
2021 | **/ | |
2022 | void | |
2023 | lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *phba, uint16_t fcf_index) | |
2024 | { | |
2025 | struct lpfc_fcf_pri *new_fcf_pri; | |
2026 | new_fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
2027 | spin_lock_irq(&phba->hbalock); | |
2028 | new_fcf_pri->fcf_rec.flag |= LPFC_FCF_FLOGI_FAILED; | |
2029 | spin_unlock_irq(&phba->hbalock); | |
2030 | } | |
2031 | ||
2032 | /** | |
2033 | * lpfc_sli4_fcf_pri_list_add | |
2034 | * @phba: pointer to lpfc hba data structure. | |
2035 | * @fcf_index the index of the fcf record to add | |
2036 | * This routine checks the priority of the fcf_index to be added. | |
2037 | * If it is a lower priority than the current head of the fcf_pri list | |
2038 | * then it is added to the list in the right order. | |
2039 | * If it is the same priority as the current head of the list then it | |
2040 | * is added to the head of the list and its bit in the rr_bmask is set. | |
2041 | * If the fcf_index to be added is of a higher priority than the current | |
2042 | * head of the list then the rr_bmask is cleared, its bit is set in the | |
2043 | * rr_bmask and it is added to the head of the list. | |
2044 | * returns: | |
2045 | * 0=success 1=failure | |
2046 | **/ | |
2047 | int lpfc_sli4_fcf_pri_list_add(struct lpfc_hba *phba, uint16_t fcf_index, | |
2048 | struct fcf_record *new_fcf_record) | |
2049 | { | |
2050 | uint16_t current_fcf_pri; | |
2051 | uint16_t last_index; | |
2052 | struct lpfc_fcf_pri *fcf_pri; | |
2053 | struct lpfc_fcf_pri *next_fcf_pri; | |
2054 | struct lpfc_fcf_pri *new_fcf_pri; | |
2055 | int ret; | |
2056 | ||
2057 | new_fcf_pri = &phba->fcf.fcf_pri[fcf_index]; | |
2058 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2059 | "3059 adding idx x%x pri x%x flg x%x\n", | |
2060 | fcf_index, new_fcf_record->fip_priority, | |
2061 | new_fcf_pri->fcf_rec.flag); | |
2062 | spin_lock_irq(&phba->hbalock); | |
2063 | if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST) | |
2064 | list_del_init(&new_fcf_pri->list); | |
2065 | new_fcf_pri->fcf_rec.fcf_index = fcf_index; | |
2066 | new_fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority; | |
2067 | if (list_empty(&phba->fcf.fcf_pri_list)) { | |
2068 | list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list); | |
2069 | ret = lpfc_sli4_fcf_rr_index_set(phba, | |
2070 | new_fcf_pri->fcf_rec.fcf_index); | |
2071 | goto out; | |
2072 | } | |
2073 | ||
2074 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
2075 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
2076 | if (last_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
2077 | ret = 0; /* Empty rr list */ | |
2078 | goto out; | |
2079 | } | |
2080 | current_fcf_pri = phba->fcf.fcf_pri[last_index].fcf_rec.priority; | |
2081 | if (new_fcf_pri->fcf_rec.priority <= current_fcf_pri) { | |
2082 | list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list); | |
2083 | if (new_fcf_pri->fcf_rec.priority < current_fcf_pri) { | |
2084 | memset(phba->fcf.fcf_rr_bmask, 0, | |
2085 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
2086 | /* fcfs_at_this_priority_level = 1; */ | |
2087 | phba->fcf.eligible_fcf_cnt = 1; | |
2088 | } else | |
2089 | /* fcfs_at_this_priority_level++; */ | |
2090 | phba->fcf.eligible_fcf_cnt++; | |
2091 | ret = lpfc_sli4_fcf_rr_index_set(phba, | |
2092 | new_fcf_pri->fcf_rec.fcf_index); | |
2093 | goto out; | |
2094 | } | |
2095 | ||
2096 | list_for_each_entry_safe(fcf_pri, next_fcf_pri, | |
2097 | &phba->fcf.fcf_pri_list, list) { | |
2098 | if (new_fcf_pri->fcf_rec.priority <= | |
2099 | fcf_pri->fcf_rec.priority) { | |
2100 | if (fcf_pri->list.prev == &phba->fcf.fcf_pri_list) | |
2101 | list_add(&new_fcf_pri->list, | |
2102 | &phba->fcf.fcf_pri_list); | |
2103 | else | |
2104 | list_add(&new_fcf_pri->list, | |
2105 | &((struct lpfc_fcf_pri *) | |
2106 | fcf_pri->list.prev)->list); | |
2107 | ret = 0; | |
2108 | goto out; | |
2109 | } else if (fcf_pri->list.next == &phba->fcf.fcf_pri_list | |
2110 | || new_fcf_pri->fcf_rec.priority < | |
2111 | next_fcf_pri->fcf_rec.priority) { | |
2112 | list_add(&new_fcf_pri->list, &fcf_pri->list); | |
2113 | ret = 0; | |
2114 | goto out; | |
2115 | } | |
2116 | if (new_fcf_pri->fcf_rec.priority > fcf_pri->fcf_rec.priority) | |
2117 | continue; | |
2118 | ||
2119 | } | |
2120 | ret = 1; | |
2121 | out: | |
2122 | /* we use = instead of |= to clear the FLOGI_FAILED flag. */ | |
2123 | new_fcf_pri->fcf_rec.flag = LPFC_FCF_ON_PRI_LIST; | |
2124 | spin_unlock_irq(&phba->hbalock); | |
2125 | return ret; | |
2126 | } | |
2127 | ||
0c9ab6f5 JS |
2128 | /** |
2129 | * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. | |
2130 | * @phba: pointer to lpfc hba data structure. | |
2131 | * @mboxq: pointer to mailbox object. | |
2132 | * | |
2133 | * This function iterates through all the fcf records available in | |
2134 | * HBA and chooses the optimal FCF record for discovery. After finding | |
2135 | * the FCF for discovery it registers the FCF record and kicks start | |
2136 | * discovery. | |
2137 | * If FCF_IN_USE flag is set in currently used FCF, the routine tries to | |
2138 | * use an FCF record which matches fabric name and mac address of the | |
2139 | * currently used FCF record. | |
2140 | * If the driver supports only one FCF, it will try to use the FCF record | |
2141 | * used by BOOT_BIOS. | |
2142 | */ | |
2143 | void | |
2144 | lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2145 | { | |
2146 | struct fcf_record *new_fcf_record; | |
2147 | uint32_t boot_flag, addr_mode; | |
2148 | uint16_t fcf_index, next_fcf_index; | |
2149 | struct lpfc_fcf_rec *fcf_rec = NULL; | |
2150 | uint16_t vlan_id; | |
999d813f JS |
2151 | uint32_t seed; |
2152 | bool select_new_fcf; | |
0c9ab6f5 JS |
2153 | int rc; |
2154 | ||
2155 | /* If there is pending FCoE event restart FCF table scan */ | |
a93ff37a | 2156 | if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) { |
0c9ab6f5 JS |
2157 | lpfc_sli4_mbox_cmd_free(phba, mboxq); |
2158 | return; | |
2159 | } | |
2160 | ||
2161 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2162 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2163 | &next_fcf_index); | |
2164 | if (!new_fcf_record) { | |
a93ff37a | 2165 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
0c9ab6f5 JS |
2166 | "2765 Mailbox command READ_FCF_RECORD " |
2167 | "failed to retrieve a FCF record.\n"); | |
2168 | /* Let next new FCF event trigger fast failover */ | |
2169 | spin_lock_irq(&phba->hbalock); | |
a93ff37a | 2170 | phba->hba_flag &= ~FCF_TS_INPROG; |
0c9ab6f5 JS |
2171 | spin_unlock_irq(&phba->hbalock); |
2172 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2173 | return; | |
2174 | } | |
2175 | ||
2176 | /* Check the FCF record against the connection list */ | |
ecfd03c6 JS |
2177 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
2178 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
2179 | |
2180 | /* Log the FCF record information if turned on */ | |
2181 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2182 | next_fcf_index); | |
2183 | ||
6fb120a7 JS |
2184 | /* |
2185 | * If the fcf record does not match with connect list entries | |
0c9ab6f5 | 2186 | * read the next entry; otherwise, this is an eligible FCF |
a93ff37a | 2187 | * record for roundrobin FCF failover. |
6fb120a7 | 2188 | */ |
0c9ab6f5 | 2189 | if (!rc) { |
7d791df7 JS |
2190 | lpfc_sli4_fcf_pri_list_del(phba, |
2191 | bf_get(lpfc_fcf_record_fcf_index, | |
2192 | new_fcf_record)); | |
0c9ab6f5 | 2193 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
a93ff37a | 2194 | "2781 FCF (x%x) failed connection " |
26979ced | 2195 | "list check: (x%x/x%x/%x)\n", |
0c9ab6f5 JS |
2196 | bf_get(lpfc_fcf_record_fcf_index, |
2197 | new_fcf_record), | |
2198 | bf_get(lpfc_fcf_record_fcf_avail, | |
2199 | new_fcf_record), | |
2200 | bf_get(lpfc_fcf_record_fcf_valid, | |
26979ced JS |
2201 | new_fcf_record), |
2202 | bf_get(lpfc_fcf_record_fcf_sol, | |
0c9ab6f5 | 2203 | new_fcf_record)); |
dbb6b3ab JS |
2204 | if ((phba->fcf.fcf_flag & FCF_IN_USE) && |
2205 | lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, | |
2206 | new_fcf_record, LPFC_FCOE_IGNORE_VID)) { | |
5ac6b303 JS |
2207 | if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) != |
2208 | phba->fcf.current_rec.fcf_indx) { | |
2209 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
2210 | "2862 FCF (x%x) matches property " | |
2211 | "of in-use FCF (x%x)\n", | |
2212 | bf_get(lpfc_fcf_record_fcf_index, | |
2213 | new_fcf_record), | |
2214 | phba->fcf.current_rec.fcf_indx); | |
2215 | goto read_next_fcf; | |
2216 | } | |
dbb6b3ab JS |
2217 | /* |
2218 | * In case the current in-use FCF record becomes | |
2219 | * invalid/unavailable during FCF discovery that | |
2220 | * was not triggered by fast FCF failover process, | |
2221 | * treat it as fast FCF failover. | |
2222 | */ | |
2223 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND) && | |
2224 | !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
2225 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2226 | "2835 Invalid in-use FCF " | |
a93ff37a JS |
2227 | "(x%x), enter FCF failover " |
2228 | "table scan.\n", | |
dbb6b3ab JS |
2229 | phba->fcf.current_rec.fcf_indx); |
2230 | spin_lock_irq(&phba->hbalock); | |
2231 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
2232 | spin_unlock_irq(&phba->hbalock); | |
2233 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2234 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2235 | LPFC_FCOE_FCF_GET_FIRST); | |
2236 | return; | |
2237 | } | |
2238 | } | |
6fb120a7 | 2239 | goto read_next_fcf; |
0c9ab6f5 JS |
2240 | } else { |
2241 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
7d791df7 JS |
2242 | rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index, |
2243 | new_fcf_record); | |
0c9ab6f5 JS |
2244 | if (rc) |
2245 | goto read_next_fcf; | |
2246 | } | |
2247 | ||
6fb120a7 JS |
2248 | /* |
2249 | * If this is not the first FCF discovery of the HBA, use last | |
ecfd03c6 JS |
2250 | * FCF record for the discovery. The condition that a rescan |
2251 | * matches the in-use FCF record: fabric name, switch name, mac | |
2252 | * address, and vlan_id. | |
6fb120a7 | 2253 | */ |
0c9ab6f5 | 2254 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 2255 | if (phba->fcf.fcf_flag & FCF_IN_USE) { |
7d791df7 JS |
2256 | if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV && |
2257 | lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, | |
dbb6b3ab | 2258 | new_fcf_record, vlan_id)) { |
5ac6b303 JS |
2259 | if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) == |
2260 | phba->fcf.current_rec.fcf_indx) { | |
2261 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
2262 | if (phba->fcf.fcf_flag & FCF_REDISC_PEND) | |
2263 | /* Stop FCF redisc wait timer */ | |
2264 | __lpfc_sli4_stop_fcf_redisc_wait_timer( | |
2265 | phba); | |
2266 | else if (phba->fcf.fcf_flag & FCF_REDISC_FOV) | |
2267 | /* Fast failover, mark completed */ | |
2268 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; | |
2269 | spin_unlock_irq(&phba->hbalock); | |
2270 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2271 | "2836 New FCF matches in-use " | |
88f43a08 JS |
2272 | "FCF (x%x), port_state:x%x, " |
2273 | "fc_flag:x%x\n", | |
2274 | phba->fcf.current_rec.fcf_indx, | |
2275 | phba->pport->port_state, | |
2276 | phba->pport->fc_flag); | |
5ac6b303 JS |
2277 | goto out; |
2278 | } else | |
2279 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
2280 | "2863 New FCF (x%x) matches " | |
2281 | "property of in-use FCF (x%x)\n", | |
dbb6b3ab | 2282 | bf_get(lpfc_fcf_record_fcf_index, |
5ac6b303 JS |
2283 | new_fcf_record), |
2284 | phba->fcf.current_rec.fcf_indx); | |
6fb120a7 | 2285 | } |
ecfd03c6 JS |
2286 | /* |
2287 | * Read next FCF record from HBA searching for the matching | |
2288 | * with in-use record only if not during the fast failover | |
2289 | * period. In case of fast failover period, it shall try to | |
2290 | * determine whether the FCF record just read should be the | |
2291 | * next candidate. | |
2292 | */ | |
2293 | if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
0c9ab6f5 | 2294 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2295 | goto read_next_fcf; |
2296 | } | |
6fb120a7 | 2297 | } |
ecfd03c6 JS |
2298 | /* |
2299 | * Update on failover FCF record only if it's in FCF fast-failover | |
2300 | * period; otherwise, update on current FCF record. | |
2301 | */ | |
fc2b989b JS |
2302 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) |
2303 | fcf_rec = &phba->fcf.failover_rec; | |
2304 | else | |
ecfd03c6 JS |
2305 | fcf_rec = &phba->fcf.current_rec; |
2306 | ||
6fb120a7 JS |
2307 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { |
2308 | /* | |
ecfd03c6 JS |
2309 | * If the driver FCF record does not have boot flag |
2310 | * set and new hba fcf record has boot flag set, use | |
2311 | * the new hba fcf record. | |
6fb120a7 | 2312 | */ |
ecfd03c6 JS |
2313 | if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) { |
2314 | /* Choose this FCF record */ | |
dbb6b3ab JS |
2315 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2316 | "2837 Update current FCF record " | |
2317 | "(x%x) with new FCF record (x%x)\n", | |
2318 | fcf_rec->fcf_indx, | |
2319 | bf_get(lpfc_fcf_record_fcf_index, | |
2320 | new_fcf_record)); | |
ecfd03c6 JS |
2321 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2322 | addr_mode, vlan_id, BOOT_ENABLE); | |
0c9ab6f5 | 2323 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2324 | goto read_next_fcf; |
2325 | } | |
2326 | /* | |
ecfd03c6 JS |
2327 | * If the driver FCF record has boot flag set and the |
2328 | * new hba FCF record does not have boot flag, read | |
2329 | * the next FCF record. | |
6fb120a7 | 2330 | */ |
ecfd03c6 | 2331 | if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) { |
0c9ab6f5 | 2332 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2333 | goto read_next_fcf; |
2334 | } | |
2335 | /* | |
ecfd03c6 JS |
2336 | * If the new hba FCF record has lower priority value |
2337 | * than the driver FCF record, use the new record. | |
6fb120a7 | 2338 | */ |
fc2b989b | 2339 | if (new_fcf_record->fip_priority < fcf_rec->priority) { |
999d813f | 2340 | /* Choose the new FCF record with lower priority */ |
dbb6b3ab JS |
2341 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2342 | "2838 Update current FCF record " | |
2343 | "(x%x) with new FCF record (x%x)\n", | |
2344 | fcf_rec->fcf_indx, | |
2345 | bf_get(lpfc_fcf_record_fcf_index, | |
2346 | new_fcf_record)); | |
ecfd03c6 JS |
2347 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2348 | addr_mode, vlan_id, 0); | |
999d813f JS |
2349 | /* Reset running random FCF selection count */ |
2350 | phba->fcf.eligible_fcf_cnt = 1; | |
2351 | } else if (new_fcf_record->fip_priority == fcf_rec->priority) { | |
2352 | /* Update running random FCF selection count */ | |
2353 | phba->fcf.eligible_fcf_cnt++; | |
2354 | select_new_fcf = lpfc_sli4_new_fcf_random_select(phba, | |
2355 | phba->fcf.eligible_fcf_cnt); | |
dbb6b3ab JS |
2356 | if (select_new_fcf) { |
2357 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2358 | "2839 Update current FCF record " | |
2359 | "(x%x) with new FCF record (x%x)\n", | |
2360 | fcf_rec->fcf_indx, | |
2361 | bf_get(lpfc_fcf_record_fcf_index, | |
2362 | new_fcf_record)); | |
999d813f JS |
2363 | /* Choose the new FCF by random selection */ |
2364 | __lpfc_update_fcf_record(phba, fcf_rec, | |
2365 | new_fcf_record, | |
2366 | addr_mode, vlan_id, 0); | |
dbb6b3ab | 2367 | } |
6fb120a7 | 2368 | } |
0c9ab6f5 | 2369 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2370 | goto read_next_fcf; |
2371 | } | |
2372 | /* | |
ecfd03c6 JS |
2373 | * This is the first suitable FCF record, choose this record for |
2374 | * initial best-fit FCF. | |
6fb120a7 | 2375 | */ |
ecfd03c6 | 2376 | if (fcf_rec) { |
dbb6b3ab | 2377 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2378 | "2840 Update initial FCF candidate " |
2379 | "with FCF (x%x)\n", | |
dbb6b3ab JS |
2380 | bf_get(lpfc_fcf_record_fcf_index, |
2381 | new_fcf_record)); | |
ecfd03c6 JS |
2382 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
2383 | addr_mode, vlan_id, (boot_flag ? | |
2384 | BOOT_ENABLE : 0)); | |
2385 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
999d813f JS |
2386 | /* Setup initial running random FCF selection count */ |
2387 | phba->fcf.eligible_fcf_cnt = 1; | |
2388 | /* Seeding the random number generator for random selection */ | |
2389 | seed = (uint32_t)(0xFFFFFFFF & jiffies); | |
3b60a64f | 2390 | prandom_seed(seed); |
6fb120a7 | 2391 | } |
0c9ab6f5 | 2392 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
2393 | goto read_next_fcf; |
2394 | ||
2395 | read_next_fcf: | |
2396 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
ecfd03c6 JS |
2397 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) { |
2398 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) { | |
2399 | /* | |
2400 | * Case of FCF fast failover scan | |
2401 | */ | |
2402 | ||
2403 | /* | |
2404 | * It has not found any suitable FCF record, cancel | |
2405 | * FCF scan inprogress, and do nothing | |
2406 | */ | |
2407 | if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { | |
0c9ab6f5 | 2408 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
a93ff37a JS |
2409 | "2782 No suitable FCF found: " |
2410 | "(x%x/x%x)\n", | |
0c9ab6f5 JS |
2411 | phba->fcoe_eventtag_at_fcf_scan, |
2412 | bf_get(lpfc_fcf_record_fcf_index, | |
2413 | new_fcf_record)); | |
a93ff37a JS |
2414 | spin_lock_irq(&phba->hbalock); |
2415 | if (phba->hba_flag & HBA_DEVLOSS_TMO) { | |
2416 | phba->hba_flag &= ~FCF_TS_INPROG; | |
2417 | spin_unlock_irq(&phba->hbalock); | |
2418 | /* Unregister in-use FCF and rescan */ | |
2419 | lpfc_printf_log(phba, KERN_INFO, | |
2420 | LOG_FIP, | |
2421 | "2864 On devloss tmo " | |
2422 | "unreg in-use FCF and " | |
2423 | "rescan FCF table\n"); | |
2424 | lpfc_unregister_fcf_rescan(phba); | |
2425 | return; | |
2426 | } | |
0c9ab6f5 | 2427 | /* |
a93ff37a | 2428 | * Let next new FCF event trigger fast failover |
0c9ab6f5 | 2429 | */ |
a93ff37a | 2430 | phba->hba_flag &= ~FCF_TS_INPROG; |
0c9ab6f5 | 2431 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2432 | return; |
2433 | } | |
2434 | /* | |
2435 | * It has found a suitable FCF record that is not | |
2436 | * the same as in-use FCF record, unregister the | |
2437 | * in-use FCF record, replace the in-use FCF record | |
2438 | * with the new FCF record, mark FCF fast failover | |
2439 | * completed, and then start register the new FCF | |
2440 | * record. | |
2441 | */ | |
2442 | ||
0c9ab6f5 | 2443 | /* Unregister the current in-use FCF record */ |
ecfd03c6 | 2444 | lpfc_unregister_fcf(phba); |
0c9ab6f5 JS |
2445 | |
2446 | /* Replace in-use record with the new record */ | |
dbb6b3ab | 2447 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2448 | "2842 Replace in-use FCF (x%x) " |
2449 | "with failover FCF (x%x)\n", | |
dbb6b3ab JS |
2450 | phba->fcf.current_rec.fcf_indx, |
2451 | phba->fcf.failover_rec.fcf_indx); | |
ecfd03c6 JS |
2452 | memcpy(&phba->fcf.current_rec, |
2453 | &phba->fcf.failover_rec, | |
2454 | sizeof(struct lpfc_fcf_rec)); | |
3804dc84 JS |
2455 | /* |
2456 | * Mark the fast FCF failover rediscovery completed | |
2457 | * and the start of the first round of the roundrobin | |
2458 | * FCF failover. | |
2459 | */ | |
0c9ab6f5 | 2460 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 2461 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; |
0c9ab6f5 | 2462 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2463 | /* Register to the new FCF record */ |
2464 | lpfc_register_fcf(phba); | |
2465 | } else { | |
2466 | /* | |
2467 | * In case of transaction period to fast FCF failover, | |
2468 | * do nothing when search to the end of the FCF table. | |
2469 | */ | |
2470 | if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) || | |
2471 | (phba->fcf.fcf_flag & FCF_REDISC_PEND)) | |
2472 | return; | |
dbb6b3ab | 2473 | |
7d791df7 JS |
2474 | if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV && |
2475 | phba->fcf.fcf_flag & FCF_IN_USE) { | |
dbb6b3ab JS |
2476 | /* |
2477 | * In case the current in-use FCF record no | |
2478 | * longer existed during FCF discovery that | |
2479 | * was not triggered by fast FCF failover | |
2480 | * process, treat it as fast FCF failover. | |
2481 | */ | |
2482 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2483 | "2841 In-use FCF record (x%x) " | |
2484 | "not reported, entering fast " | |
2485 | "FCF failover mode scanning.\n", | |
2486 | phba->fcf.current_rec.fcf_indx); | |
2487 | spin_lock_irq(&phba->hbalock); | |
2488 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
2489 | spin_unlock_irq(&phba->hbalock); | |
dbb6b3ab JS |
2490 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
2491 | LPFC_FCOE_FCF_GET_FIRST); | |
2492 | return; | |
2493 | } | |
0c9ab6f5 | 2494 | /* Register to the new FCF record */ |
ecfd03c6 JS |
2495 | lpfc_register_fcf(phba); |
2496 | } | |
2497 | } else | |
0c9ab6f5 | 2498 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index); |
6fb120a7 JS |
2499 | return; |
2500 | ||
2501 | out: | |
2502 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2503 | lpfc_register_fcf(phba); | |
2504 | ||
2505 | return; | |
2506 | } | |
2507 | ||
0c9ab6f5 | 2508 | /** |
a93ff37a | 2509 | * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler |
0c9ab6f5 JS |
2510 | * @phba: pointer to lpfc hba data structure. |
2511 | * @mboxq: pointer to mailbox object. | |
2512 | * | |
a93ff37a | 2513 | * This is the callback function for FLOGI failure roundrobin FCF failover |
0c9ab6f5 JS |
2514 | * read FCF record mailbox command from the eligible FCF record bmask for |
2515 | * performing the failover. If the FCF read back is not valid/available, it | |
2516 | * fails through to retrying FLOGI to the currently registered FCF again. | |
2517 | * Otherwise, if the FCF read back is valid and available, it will set the | |
2518 | * newly read FCF record to the failover FCF record, unregister currently | |
2519 | * registered FCF record, copy the failover FCF record to the current | |
2520 | * FCF record, and then register the current FCF record before proceeding | |
2521 | * to trying FLOGI on the new failover FCF. | |
2522 | */ | |
2523 | void | |
2524 | lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2525 | { | |
2526 | struct fcf_record *new_fcf_record; | |
2527 | uint32_t boot_flag, addr_mode; | |
a93ff37a | 2528 | uint16_t next_fcf_index, fcf_index; |
0c9ab6f5 JS |
2529 | uint16_t current_fcf_index; |
2530 | uint16_t vlan_id; | |
a93ff37a | 2531 | int rc; |
0c9ab6f5 | 2532 | |
a93ff37a | 2533 | /* If link state is not up, stop the roundrobin failover process */ |
0c9ab6f5 JS |
2534 | if (phba->link_state < LPFC_LINK_UP) { |
2535 | spin_lock_irq(&phba->hbalock); | |
2536 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
a93ff37a | 2537 | phba->hba_flag &= ~FCF_RR_INPROG; |
0c9ab6f5 | 2538 | spin_unlock_irq(&phba->hbalock); |
a93ff37a | 2539 | goto out; |
0c9ab6f5 JS |
2540 | } |
2541 | ||
2542 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2543 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2544 | &next_fcf_index); | |
2545 | if (!new_fcf_record) { | |
2546 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2547 | "2766 Mailbox command READ_FCF_RECORD " | |
2548 | "failed to retrieve a FCF record.\n"); | |
a93ff37a | 2549 | goto error_out; |
0c9ab6f5 JS |
2550 | } |
2551 | ||
2552 | /* Get the needed parameters from FCF record */ | |
a93ff37a JS |
2553 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
2554 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
2555 | |
2556 | /* Log the FCF record information if turned on */ | |
2557 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2558 | next_fcf_index); | |
2559 | ||
a93ff37a JS |
2560 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); |
2561 | if (!rc) { | |
2562 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2563 | "2848 Remove ineligible FCF (x%x) from " | |
2564 | "from roundrobin bmask\n", fcf_index); | |
2565 | /* Clear roundrobin bmask bit for ineligible FCF */ | |
2566 | lpfc_sli4_fcf_rr_index_clear(phba, fcf_index); | |
2567 | /* Perform next round of roundrobin FCF failover */ | |
2568 | fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); | |
2569 | rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index); | |
2570 | if (rc) | |
2571 | goto out; | |
2572 | goto error_out; | |
2573 | } | |
2574 | ||
2575 | if (fcf_index == phba->fcf.current_rec.fcf_indx) { | |
2576 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2577 | "2760 Perform FLOGI roundrobin FCF failover: " | |
2578 | "FCF (x%x) back to FCF (x%x)\n", | |
2579 | phba->fcf.current_rec.fcf_indx, fcf_index); | |
2580 | /* Wait 500 ms before retrying FLOGI to current FCF */ | |
2581 | msleep(500); | |
76a95d75 | 2582 | lpfc_issue_init_vfi(phba->pport); |
a93ff37a JS |
2583 | goto out; |
2584 | } | |
2585 | ||
0c9ab6f5 | 2586 | /* Upload new FCF record to the failover FCF record */ |
dbb6b3ab | 2587 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
2588 | "2834 Update current FCF (x%x) with new FCF (x%x)\n", |
2589 | phba->fcf.failover_rec.fcf_indx, fcf_index); | |
0c9ab6f5 JS |
2590 | spin_lock_irq(&phba->hbalock); |
2591 | __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, | |
2592 | new_fcf_record, addr_mode, vlan_id, | |
2593 | (boot_flag ? BOOT_ENABLE : 0)); | |
2594 | spin_unlock_irq(&phba->hbalock); | |
2595 | ||
2596 | current_fcf_index = phba->fcf.current_rec.fcf_indx; | |
2597 | ||
2598 | /* Unregister the current in-use FCF record */ | |
2599 | lpfc_unregister_fcf(phba); | |
2600 | ||
2601 | /* Replace in-use record with the new record */ | |
2602 | memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec, | |
2603 | sizeof(struct lpfc_fcf_rec)); | |
2604 | ||
2605 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a JS |
2606 | "2783 Perform FLOGI roundrobin FCF failover: FCF " |
2607 | "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index); | |
0c9ab6f5 | 2608 | |
a93ff37a JS |
2609 | error_out: |
2610 | lpfc_register_fcf(phba); | |
0c9ab6f5 JS |
2611 | out: |
2612 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
0c9ab6f5 JS |
2613 | } |
2614 | ||
2615 | /** | |
2616 | * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler. | |
2617 | * @phba: pointer to lpfc hba data structure. | |
2618 | * @mboxq: pointer to mailbox object. | |
2619 | * | |
2620 | * This is the callback function of read FCF record mailbox command for | |
a93ff37a | 2621 | * updating the eligible FCF bmask for FLOGI failure roundrobin FCF |
0c9ab6f5 JS |
2622 | * failover when a new FCF event happened. If the FCF read back is |
2623 | * valid/available and it passes the connection list check, it updates | |
a93ff37a | 2624 | * the bmask for the eligible FCF record for roundrobin failover. |
0c9ab6f5 JS |
2625 | */ |
2626 | void | |
2627 | lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2628 | { | |
2629 | struct fcf_record *new_fcf_record; | |
2630 | uint32_t boot_flag, addr_mode; | |
2631 | uint16_t fcf_index, next_fcf_index; | |
2632 | uint16_t vlan_id; | |
2633 | int rc; | |
2634 | ||
2635 | /* If link state is not up, no need to proceed */ | |
2636 | if (phba->link_state < LPFC_LINK_UP) | |
2637 | goto out; | |
2638 | ||
2639 | /* If FCF discovery period is over, no need to proceed */ | |
3804dc84 | 2640 | if (!(phba->fcf.fcf_flag & FCF_DISCOVERY)) |
0c9ab6f5 JS |
2641 | goto out; |
2642 | ||
2643 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2644 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2645 | &next_fcf_index); | |
2646 | if (!new_fcf_record) { | |
2647 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2648 | "2767 Mailbox command READ_FCF_RECORD " | |
2649 | "failed to retrieve a FCF record.\n"); | |
2650 | goto out; | |
2651 | } | |
2652 | ||
2653 | /* Check the connection list for eligibility */ | |
2654 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2655 | &addr_mode, &vlan_id); | |
2656 | ||
2657 | /* Log the FCF record information if turned on */ | |
2658 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2659 | next_fcf_index); | |
2660 | ||
2661 | if (!rc) | |
2662 | goto out; | |
2663 | ||
2664 | /* Update the eligible FCF record index bmask */ | |
2665 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
7d791df7 JS |
2666 | |
2667 | rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index, new_fcf_record); | |
0c9ab6f5 JS |
2668 | |
2669 | out: | |
2670 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2671 | } | |
2672 | ||
76a95d75 JS |
2673 | /** |
2674 | * lpfc_init_vfi_cmpl - Completion handler for init_vfi mbox command. | |
2675 | * @phba: pointer to lpfc hba data structure. | |
2676 | * @mboxq: pointer to mailbox data structure. | |
2677 | * | |
2678 | * This function handles completion of init vfi mailbox command. | |
2679 | */ | |
2680 | void | |
2681 | lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2682 | { | |
2683 | struct lpfc_vport *vport = mboxq->vport; | |
2684 | ||
df9e1b59 JS |
2685 | /* |
2686 | * VFI not supported on interface type 0, just do the flogi | |
2687 | * Also continue if the VFI is in use - just use the same one. | |
2688 | */ | |
2689 | if (mboxq->u.mb.mbxStatus && | |
2690 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
2691 | LPFC_SLI_INTF_IF_TYPE_0) && | |
2692 | mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) { | |
76a95d75 JS |
2693 | lpfc_printf_vlog(vport, KERN_ERR, |
2694 | LOG_MBOX, | |
2695 | "2891 Init VFI mailbox failed 0x%x\n", | |
2696 | mboxq->u.mb.mbxStatus); | |
2697 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2698 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2699 | return; | |
2700 | } | |
73d91e50 | 2701 | |
76a95d75 JS |
2702 | lpfc_initial_flogi(vport); |
2703 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2704 | return; | |
2705 | } | |
2706 | ||
2707 | /** | |
2708 | * lpfc_issue_init_vfi - Issue init_vfi mailbox command. | |
2709 | * @vport: pointer to lpfc_vport data structure. | |
2710 | * | |
2711 | * This function issue a init_vfi mailbox command to initialize the VFI and | |
2712 | * VPI for the physical port. | |
2713 | */ | |
2714 | void | |
2715 | lpfc_issue_init_vfi(struct lpfc_vport *vport) | |
2716 | { | |
2717 | LPFC_MBOXQ_t *mboxq; | |
2718 | int rc; | |
2719 | struct lpfc_hba *phba = vport->phba; | |
2720 | ||
2721 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2722 | if (!mboxq) { | |
2723 | lpfc_printf_vlog(vport, KERN_ERR, | |
2724 | LOG_MBOX, "2892 Failed to allocate " | |
2725 | "init_vfi mailbox\n"); | |
2726 | return; | |
2727 | } | |
2728 | lpfc_init_vfi(mboxq, vport); | |
2729 | mboxq->mbox_cmpl = lpfc_init_vfi_cmpl; | |
2730 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
2731 | if (rc == MBX_NOT_FINISHED) { | |
2732 | lpfc_printf_vlog(vport, KERN_ERR, | |
2733 | LOG_MBOX, "2893 Failed to issue init_vfi mailbox\n"); | |
2734 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2735 | } | |
2736 | } | |
2737 | ||
1c6834a7 JS |
2738 | /** |
2739 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
2740 | * @phba: pointer to lpfc hba data structure. | |
2741 | * @mboxq: pointer to mailbox data structure. | |
2742 | * | |
2743 | * This function handles completion of init vpi mailbox command. | |
2744 | */ | |
695a814e | 2745 | void |
1c6834a7 JS |
2746 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
2747 | { | |
2748 | struct lpfc_vport *vport = mboxq->vport; | |
695a814e | 2749 | struct lpfc_nodelist *ndlp; |
72100cc4 JS |
2750 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2751 | ||
1c6834a7 JS |
2752 | if (mboxq->u.mb.mbxStatus) { |
2753 | lpfc_printf_vlog(vport, KERN_ERR, | |
2754 | LOG_MBOX, | |
2755 | "2609 Init VPI mailbox failed 0x%x\n", | |
2756 | mboxq->u.mb.mbxStatus); | |
2757 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2758 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2759 | return; | |
2760 | } | |
72100cc4 | 2761 | spin_lock_irq(shost->host_lock); |
1c6834a7 | 2762 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2763 | spin_unlock_irq(shost->host_lock); |
1c6834a7 | 2764 | |
695a814e JS |
2765 | /* If this port is physical port or FDISC is done, do reg_vpi */ |
2766 | if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) { | |
2767 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
2768 | if (!ndlp) | |
2769 | lpfc_printf_vlog(vport, KERN_ERR, | |
2770 | LOG_DISCOVERY, | |
2771 | "2731 Cannot find fabric " | |
2772 | "controller node\n"); | |
2773 | else | |
2774 | lpfc_register_new_vport(phba, vport, ndlp); | |
2775 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2776 | return; | |
2777 | } | |
2778 | ||
1c6834a7 JS |
2779 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2780 | lpfc_initial_fdisc(vport); | |
2781 | else { | |
2782 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
2783 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2784 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 | 2785 | } |
695a814e | 2786 | mempool_free(mboxq, phba->mbox_mem_pool); |
1c6834a7 JS |
2787 | return; |
2788 | } | |
2789 | ||
ecfd03c6 JS |
2790 | /** |
2791 | * lpfc_issue_init_vpi - Issue init_vpi mailbox command. | |
2792 | * @vport: pointer to lpfc_vport data structure. | |
2793 | * | |
2794 | * This function issue a init_vpi mailbox command to initialize | |
2795 | * VPI for the vport. | |
2796 | */ | |
2797 | void | |
2798 | lpfc_issue_init_vpi(struct lpfc_vport *vport) | |
2799 | { | |
2800 | LPFC_MBOXQ_t *mboxq; | |
16a3a208 JS |
2801 | int rc, vpi; |
2802 | ||
2803 | if ((vport->port_type != LPFC_PHYSICAL_PORT) && (!vport->vpi)) { | |
2804 | vpi = lpfc_alloc_vpi(vport->phba); | |
2805 | if (!vpi) { | |
2806 | lpfc_printf_vlog(vport, KERN_ERR, | |
2807 | LOG_MBOX, | |
2808 | "3303 Failed to obtain vport vpi\n"); | |
2809 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2810 | return; | |
2811 | } | |
2812 | vport->vpi = vpi; | |
2813 | } | |
ecfd03c6 JS |
2814 | |
2815 | mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL); | |
2816 | if (!mboxq) { | |
2817 | lpfc_printf_vlog(vport, KERN_ERR, | |
2818 | LOG_MBOX, "2607 Failed to allocate " | |
2819 | "init_vpi mailbox\n"); | |
2820 | return; | |
2821 | } | |
2822 | lpfc_init_vpi(vport->phba, mboxq, vport->vpi); | |
2823 | mboxq->vport = vport; | |
2824 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
2825 | rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT); | |
2826 | if (rc == MBX_NOT_FINISHED) { | |
2827 | lpfc_printf_vlog(vport, KERN_ERR, | |
2828 | LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n"); | |
2829 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2830 | } | |
2831 | } | |
2832 | ||
6fb120a7 JS |
2833 | /** |
2834 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
2835 | * @phba: pointer to lpfc hba data structure. | |
2836 | * | |
2837 | * This function loops through the list of vports on the @phba and issues an | |
2838 | * FDISC if possible. | |
2839 | */ | |
2840 | void | |
2841 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
2842 | { | |
2843 | struct lpfc_vport **vports; | |
2844 | int i; | |
2845 | ||
2846 | vports = lpfc_create_vport_work_array(phba); | |
2847 | if (vports != NULL) { | |
2848 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2849 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
2850 | continue; | |
2851 | /* There are no vpi for this vport */ | |
2852 | if (vports[i]->vpi > phba->max_vpi) { | |
2853 | lpfc_vport_set_state(vports[i], | |
2854 | FC_VPORT_FAILED); | |
2855 | continue; | |
2856 | } | |
76a95d75 | 2857 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
6fb120a7 JS |
2858 | lpfc_vport_set_state(vports[i], |
2859 | FC_VPORT_LINKDOWN); | |
2860 | continue; | |
2861 | } | |
1c6834a7 | 2862 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
ecfd03c6 | 2863 | lpfc_issue_init_vpi(vports[i]); |
1c6834a7 JS |
2864 | continue; |
2865 | } | |
6fb120a7 JS |
2866 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2867 | lpfc_initial_fdisc(vports[i]); | |
2868 | else { | |
2869 | lpfc_vport_set_state(vports[i], | |
2870 | FC_VPORT_NO_FABRIC_SUPP); | |
2871 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
2872 | LOG_ELS, | |
2873 | "0259 No NPIV " | |
2874 | "Fabric support\n"); | |
2875 | } | |
2876 | } | |
2877 | } | |
2878 | lpfc_destroy_vport_work_array(phba, vports); | |
2879 | } | |
2880 | ||
2881 | void | |
2882 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2883 | { | |
2884 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
2885 | struct lpfc_vport *vport = mboxq->vport; | |
72100cc4 | 2886 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 | 2887 | |
f5eca9be JS |
2888 | /* |
2889 | * VFI not supported for interface type 0, so ignore any mailbox | |
2890 | * error (except VFI in use) and continue with the discovery. | |
2891 | */ | |
2892 | if (mboxq->u.mb.mbxStatus && | |
2893 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
2894 | LPFC_SLI_INTF_IF_TYPE_0) && | |
2895 | mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) { | |
6fb120a7 JS |
2896 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2897 | "2018 REG_VFI mbxStatus error x%x " | |
2898 | "HBA state x%x\n", | |
2899 | mboxq->u.mb.mbxStatus, vport->port_state); | |
76a95d75 | 2900 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
6fb120a7 JS |
2901 | /* FLOGI failed, use loop map to make discovery list */ |
2902 | lpfc_disc_list_loopmap(vport); | |
2903 | /* Start discovery */ | |
2904 | lpfc_disc_start(vport); | |
1b51197d | 2905 | goto out_free_mem; |
6fb120a7 JS |
2906 | } |
2907 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1b51197d | 2908 | goto out_free_mem; |
6fb120a7 | 2909 | } |
ae05ebe3 | 2910 | |
e74c03c8 JS |
2911 | /* If the VFI is already registered, there is nothing else to do |
2912 | * Unless this was a VFI update and we are in PT2PT mode, then | |
2913 | * we should drop through to set the port state to ready. | |
2914 | */ | |
ae05ebe3 | 2915 | if (vport->fc_flag & FC_VFI_REGISTERED) |
e74c03c8 JS |
2916 | if (!(phba->sli_rev == LPFC_SLI_REV4 && |
2917 | vport->fc_flag & FC_PT2PT)) | |
2918 | goto out_free_mem; | |
ae05ebe3 | 2919 | |
c868595d | 2920 | /* The VPI is implicitly registered when the VFI is registered */ |
72100cc4 | 2921 | spin_lock_irq(shost->host_lock); |
c868595d | 2922 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2923 | vport->fc_flag |= FC_VFI_REGISTERED; |
695a814e | 2924 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
5248a749 | 2925 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2926 | spin_unlock_irq(shost->host_lock); |
6fb120a7 | 2927 | |
1b51197d JS |
2928 | /* In case SLI4 FC loopback test, we are ready */ |
2929 | if ((phba->sli_rev == LPFC_SLI_REV4) && | |
2930 | (phba->link_flag & LS_LOOPBACK_MODE)) { | |
2931 | phba->link_state = LPFC_HBA_READY; | |
2932 | goto out_free_mem; | |
2933 | } | |
2934 | ||
e74c03c8 JS |
2935 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
2936 | "3313 cmpl reg vfi port_state:%x fc_flag:%x myDid:%x " | |
2937 | "alpacnt:%d LinkState:%x topology:%x\n", | |
2938 | vport->port_state, vport->fc_flag, vport->fc_myDID, | |
2939 | vport->phba->alpa_map[0], | |
2940 | phba->link_state, phba->fc_topology); | |
2941 | ||
6fb120a7 | 2942 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
939723a4 JS |
2943 | /* |
2944 | * For private loop or for NPort pt2pt, | |
2945 | * just start discovery and we are done. | |
2946 | */ | |
2947 | if ((vport->fc_flag & FC_PT2PT) || | |
2948 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
2949 | !(vport->fc_flag & FC_PUBLIC_LOOP))) { | |
2950 | ||
76a95d75 JS |
2951 | /* Use loop map to make discovery list */ |
2952 | lpfc_disc_list_loopmap(vport); | |
2953 | /* Start discovery */ | |
e74c03c8 JS |
2954 | if (vport->fc_flag & FC_PT2PT) |
2955 | vport->port_state = LPFC_VPORT_READY; | |
2956 | else | |
2957 | lpfc_disc_start(vport); | |
76a95d75 JS |
2958 | } else { |
2959 | lpfc_start_fdiscs(phba); | |
2960 | lpfc_do_scr_ns_plogi(phba, vport); | |
2961 | } | |
6fb120a7 JS |
2962 | } |
2963 | ||
1b51197d | 2964 | out_free_mem: |
6fb120a7 JS |
2965 | mempool_free(mboxq, phba->mbox_mem_pool); |
2966 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2967 | kfree(dmabuf); | |
2968 | return; | |
2969 | } | |
2970 | ||
dea3101e | 2971 | static void |
2e0fef85 | 2972 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2973 | { |
6fb120a7 | 2974 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2975 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 2976 | struct lpfc_vport *vport = pmb->vport; |
dea3101e JB |
2977 | |
2978 | ||
2979 | /* Check for error */ | |
2980 | if (mb->mbxStatus) { | |
2981 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
2982 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2983 | "0319 READ_SPARAM mbxStatus error x%x " | |
2984 | "hba state x%x>\n", | |
2985 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2986 | lpfc_linkdown(phba); |
dea3101e JB |
2987 | goto out; |
2988 | } | |
2989 | ||
2e0fef85 | 2990 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 2991 | sizeof (struct serv_parm)); |
0558056c | 2992 | lpfc_update_vport_wwn(vport); |
92d7f7b0 JS |
2993 | if (vport->port_type == LPFC_PHYSICAL_PORT) { |
2994 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
2995 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
2996 | } | |
2997 | ||
dea3101e JB |
2998 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2999 | kfree(mp); | |
2e0fef85 | 3000 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
3001 | return; |
3002 | ||
3003 | out: | |
3004 | pmb->context1 = NULL; | |
3005 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3006 | kfree(mp); | |
92d7f7b0 JS |
3007 | lpfc_issue_clear_la(phba, vport); |
3008 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e JB |
3009 | return; |
3010 | } | |
3011 | ||
3012 | static void | |
76a95d75 | 3013 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) |
dea3101e | 3014 | { |
92d7f7b0 | 3015 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 3016 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
df9e1b59 | 3017 | struct Scsi_Host *shost; |
2e0fef85 | 3018 | int i; |
14691150 JS |
3019 | struct lpfc_dmabuf *mp; |
3020 | int rc; | |
6fb120a7 | 3021 | struct fcf_record *fcf_record; |
38c20673 | 3022 | uint32_t fc_flags = 0; |
14691150 | 3023 | |
92d7f7b0 | 3024 | spin_lock_irq(&phba->hbalock); |
76a95d75 JS |
3025 | switch (bf_get(lpfc_mbx_read_top_link_spd, la)) { |
3026 | case LPFC_LINK_SPEED_1GHZ: | |
3027 | case LPFC_LINK_SPEED_2GHZ: | |
3028 | case LPFC_LINK_SPEED_4GHZ: | |
3029 | case LPFC_LINK_SPEED_8GHZ: | |
3030 | case LPFC_LINK_SPEED_10GHZ: | |
3031 | case LPFC_LINK_SPEED_16GHZ: | |
3032 | phba->fc_linkspeed = bf_get(lpfc_mbx_read_top_link_spd, la); | |
f4b4c68f | 3033 | break; |
92d7f7b0 | 3034 | default: |
76a95d75 | 3035 | phba->fc_linkspeed = LPFC_LINK_SPEED_UNKNOWN; |
92d7f7b0 | 3036 | break; |
dea3101e JB |
3037 | } |
3038 | ||
e74c03c8 JS |
3039 | if (phba->fc_topology && |
3040 | phba->fc_topology != bf_get(lpfc_mbx_read_top_topology, la)) { | |
3041 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3042 | "3314 Toplogy changed was 0x%x is 0x%x\n", | |
3043 | phba->fc_topology, | |
3044 | bf_get(lpfc_mbx_read_top_topology, la)); | |
3045 | phba->fc_topology_changed = 1; | |
3046 | } | |
3047 | ||
76a95d75 | 3048 | phba->fc_topology = bf_get(lpfc_mbx_read_top_topology, la); |
92d7f7b0 | 3049 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 3050 | |
df9e1b59 | 3051 | shost = lpfc_shost_from_vport(vport); |
76a95d75 | 3052 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 | 3053 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 3054 | |
6a9c52cf JS |
3055 | /* if npiv is enabled and this adapter supports npiv log |
3056 | * a message that npiv is not supported in this topology | |
3057 | */ | |
3058 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
3059 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
3060 | "1309 Link Up Event npiv not supported in loop " | |
3061 | "topology\n"); | |
92d7f7b0 | 3062 | /* Get Loop Map information */ |
38c20673 JS |
3063 | if (bf_get(lpfc_mbx_read_top_il, la)) |
3064 | fc_flags |= FC_LBIT; | |
dea3101e | 3065 | |
76a95d75 JS |
3066 | vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la); |
3067 | i = la->lilpBde64.tus.f.bdeSize; | |
dea3101e JB |
3068 | |
3069 | if (i == 0) { | |
3070 | phba->alpa_map[0] = 0; | |
3071 | } else { | |
e8b62011 | 3072 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e JB |
3073 | int numalpa, j, k; |
3074 | union { | |
3075 | uint8_t pamap[16]; | |
3076 | struct { | |
3077 | uint32_t wd1; | |
3078 | uint32_t wd2; | |
3079 | uint32_t wd3; | |
3080 | uint32_t wd4; | |
3081 | } pa; | |
3082 | } un; | |
3083 | numalpa = phba->alpa_map[0]; | |
3084 | j = 0; | |
3085 | while (j < numalpa) { | |
3086 | memset(un.pamap, 0, 16); | |
3087 | for (k = 1; j < numalpa; k++) { | |
3088 | un.pamap[k - 1] = | |
3089 | phba->alpa_map[j + 1]; | |
3090 | j++; | |
3091 | if (k == 16) | |
3092 | break; | |
3093 | } | |
3094 | /* Link Up Event ALPA map */ | |
3095 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
3096 | KERN_WARNING, |
3097 | LOG_LINK_EVENT, | |
e8b62011 | 3098 | "1304 Link Up Event " |
92d7f7b0 JS |
3099 | "ALPA map Data: x%x " |
3100 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
3101 | un.pa.wd1, un.pa.wd2, |
3102 | un.pa.wd3, un.pa.wd4); | |
dea3101e JB |
3103 | } |
3104 | } | |
3105 | } | |
3106 | } else { | |
92d7f7b0 | 3107 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 3108 | if (phba->max_vpi && phba->cfg_enable_npiv && |
df9e1b59 | 3109 | (phba->sli_rev >= LPFC_SLI_REV3)) |
92d7f7b0 JS |
3110 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
3111 | } | |
2e0fef85 | 3112 | vport->fc_myDID = phba->fc_pref_DID; |
38c20673 | 3113 | fc_flags |= FC_LBIT; |
dea3101e | 3114 | } |
92d7f7b0 | 3115 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3116 | |
38c20673 JS |
3117 | if (fc_flags) { |
3118 | spin_lock_irq(shost->host_lock); | |
3119 | vport->fc_flag |= fc_flags; | |
3120 | spin_unlock_irq(shost->host_lock); | |
3121 | } | |
3122 | ||
dea3101e | 3123 | lpfc_linkup(phba); |
9f1177a3 JS |
3124 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3125 | if (!sparam_mbox) | |
3126 | goto out; | |
3127 | ||
3128 | rc = lpfc_read_sparam(phba, sparam_mbox, 0); | |
3129 | if (rc) { | |
3130 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
3131 | goto out; | |
3132 | } | |
3133 | sparam_mbox->vport = vport; | |
3134 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
3135 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); | |
3136 | if (rc == MBX_NOT_FINISHED) { | |
3137 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
3138 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3139 | kfree(mp); | |
3140 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
3141 | goto out; | |
dea3101e JB |
3142 | } |
3143 | ||
76a95d75 | 3144 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
6fb120a7 JS |
3145 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3146 | if (!cfglink_mbox) | |
3147 | goto out; | |
2e0fef85 | 3148 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 3149 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 3150 | cfglink_mbox->vport = vport; |
25594c6b | 3151 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 3152 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
3153 | if (rc == MBX_NOT_FINISHED) { |
3154 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
3155 | goto out; | |
3156 | } | |
3157 | } else { | |
32b9793f | 3158 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
3159 | /* |
3160 | * Add the driver's default FCF record at FCF index 0 now. This | |
3161 | * is phase 1 implementation that support FCF index 0 and driver | |
3162 | * defaults. | |
3163 | */ | |
45ed1190 | 3164 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
3165 | fcf_record = kzalloc(sizeof(struct fcf_record), |
3166 | GFP_KERNEL); | |
3167 | if (unlikely(!fcf_record)) { | |
3168 | lpfc_printf_log(phba, KERN_ERR, | |
3169 | LOG_MBOX | LOG_SLI, | |
b595076a | 3170 | "2554 Could not allocate memory for " |
6fb120a7 JS |
3171 | "fcf record\n"); |
3172 | rc = -ENODEV; | |
3173 | goto out; | |
3174 | } | |
3175 | ||
3176 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
3177 | LPFC_FCOE_FCF_DEF_INDEX); | |
3178 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
3179 | if (unlikely(rc)) { | |
3180 | lpfc_printf_log(phba, KERN_ERR, | |
3181 | LOG_MBOX | LOG_SLI, | |
3182 | "2013 Could not manually add FCF " | |
3183 | "record 0, status %d\n", rc); | |
3184 | rc = -ENODEV; | |
3185 | kfree(fcf_record); | |
3186 | goto out; | |
3187 | } | |
3188 | kfree(fcf_record); | |
3189 | } | |
3190 | /* | |
3191 | * The driver is expected to do FIP/FCF. Call the port | |
3192 | * and get the FCF Table. | |
3193 | */ | |
32b9793f | 3194 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 3195 | if (phba->hba_flag & FCF_TS_INPROG) { |
32b9793f JS |
3196 | spin_unlock_irq(&phba->hbalock); |
3197 | return; | |
3198 | } | |
0c9ab6f5 JS |
3199 | /* This is the initial FCF discovery scan */ |
3200 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
32b9793f | 3201 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
3202 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
3203 | "2778 Start FCF table scan at linkup\n"); | |
0c9ab6f5 JS |
3204 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
3205 | LPFC_FCOE_FCF_GET_FIRST); | |
3206 | if (rc) { | |
3207 | spin_lock_irq(&phba->hbalock); | |
3208 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
3209 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 3210 | goto out; |
0c9ab6f5 | 3211 | } |
38b92ef8 | 3212 | /* Reset FCF roundrobin bmask for new discovery */ |
7d791df7 | 3213 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
dea3101e | 3214 | } |
6fb120a7 JS |
3215 | |
3216 | return; | |
92d7f7b0 JS |
3217 | out: |
3218 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
3219 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
3220 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
3221 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
3222 | lpfc_issue_clear_la(phba, vport); |
3223 | return; | |
dea3101e JB |
3224 | } |
3225 | ||
3226 | static void | |
84774a4d | 3227 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 3228 | { |
dea3101e JB |
3229 | uint32_t control; |
3230 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 3231 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3232 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
3233 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
3234 | control = readl(phba->HCregaddr); | |
3235 | control |= HC_LAINT_ENA; | |
3236 | writel(control, phba->HCregaddr); | |
3237 | readl(phba->HCregaddr); /* flush */ | |
3238 | } | |
2e0fef85 | 3239 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3240 | } |
3241 | ||
84774a4d JS |
3242 | static void |
3243 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
3244 | { | |
3245 | lpfc_linkdown(phba); | |
3246 | lpfc_enable_la(phba); | |
6fb120a7 | 3247 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
3248 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
3249 | } | |
3250 | ||
3251 | ||
dea3101e | 3252 | /* |
76a95d75 | 3253 | * This routine handles processing a READ_TOPOLOGY mailbox |
dea3101e JB |
3254 | * command upon completion. It is setup in the LPFC_MBOXQ |
3255 | * as the completion routine when the command is | |
3256 | * handed off to the SLI layer. | |
3257 | */ | |
3258 | void | |
76a95d75 | 3259 | lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3260 | { |
2e0fef85 JS |
3261 | struct lpfc_vport *vport = pmb->vport; |
3262 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
76a95d75 | 3263 | struct lpfc_mbx_read_top *la; |
04c68496 | 3264 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e JB |
3265 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3266 | ||
0d2b6b83 JS |
3267 | /* Unblock ELS traffic */ |
3268 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
3269 | /* Check for error */ |
3270 | if (mb->mbxStatus) { | |
ed957684 | 3271 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
3272 | "1307 READ_LA mbox error x%x state x%x\n", |
3273 | mb->mbxStatus, vport->port_state); | |
dea3101e | 3274 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 3275 | phba->link_state = LPFC_HBA_ERROR; |
76a95d75 | 3276 | goto lpfc_mbx_cmpl_read_topology_free_mbuf; |
dea3101e JB |
3277 | } |
3278 | ||
76a95d75 | 3279 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; |
dea3101e JB |
3280 | |
3281 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
3282 | ||
2e0fef85 | 3283 | spin_lock_irq(shost->host_lock); |
76a95d75 | 3284 | if (bf_get(lpfc_mbx_read_top_pb, la)) |
2e0fef85 | 3285 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 3286 | else |
2e0fef85 JS |
3287 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
3288 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 3289 | |
be0c0080 | 3290 | if (phba->fc_eventTag <= la->eventTag) { |
dea3101e | 3291 | phba->fc_stat.LinkMultiEvent++; |
76a95d75 | 3292 | if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) |
dea3101e JB |
3293 | if (phba->fc_eventTag != 0) |
3294 | lpfc_linkdown(phba); | |
92d7f7b0 | 3295 | } |
dea3101e JB |
3296 | |
3297 | phba->fc_eventTag = la->eventTag; | |
be0c0080 JS |
3298 | if (phba->sli_rev < LPFC_SLI_REV4) { |
3299 | spin_lock_irq(&phba->hbalock); | |
3300 | if (bf_get(lpfc_mbx_read_top_mm, la)) | |
3301 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; | |
3302 | else | |
3303 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
3304 | spin_unlock_irq(&phba->hbalock); | |
3305 | } | |
dea3101e | 3306 | |
4d9ab994 | 3307 | phba->link_events++; |
76a95d75 | 3308 | if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) && |
be0c0080 | 3309 | !(phba->sli.sli_flag & LPFC_MENLO_MAINT)) { |
dea3101e | 3310 | phba->fc_stat.LinkUp++; |
2e0fef85 | 3311 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 3312 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
3313 | "1306 Link Up Event in loop back mode " |
3314 | "x%x received Data: x%x x%x x%x x%x\n", | |
3315 | la->eventTag, phba->fc_eventTag, | |
76a95d75 JS |
3316 | bf_get(lpfc_mbx_read_top_alpa_granted, |
3317 | la), | |
3318 | bf_get(lpfc_mbx_read_top_link_spd, la), | |
e8b62011 | 3319 | phba->alpa_map[0]); |
5b8bd0c9 JS |
3320 | } else { |
3321 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 3322 | "1303 Link Up Event x%x received " |
84774a4d | 3323 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 | 3324 | la->eventTag, phba->fc_eventTag, |
76a95d75 JS |
3325 | bf_get(lpfc_mbx_read_top_alpa_granted, |
3326 | la), | |
3327 | bf_get(lpfc_mbx_read_top_link_spd, la), | |
84774a4d | 3328 | phba->alpa_map[0], |
76a95d75 JS |
3329 | bf_get(lpfc_mbx_read_top_mm, la), |
3330 | bf_get(lpfc_mbx_read_top_fa, la), | |
84774a4d | 3331 | phba->wait_4_mlo_maint_flg); |
5b8bd0c9 | 3332 | } |
92d7f7b0 | 3333 | lpfc_mbx_process_link_up(phba, la); |
76a95d75 JS |
3334 | } else if (bf_get(lpfc_mbx_read_top_att_type, la) == |
3335 | LPFC_ATT_LINK_DOWN) { | |
dea3101e | 3336 | phba->fc_stat.LinkDown++; |
1b51197d | 3337 | if (phba->link_flag & LS_LOOPBACK_MODE) |
3163f725 JS |
3338 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
3339 | "1308 Link Down Event in loop back mode " | |
3340 | "x%x received " | |
3341 | "Data: x%x x%x x%x\n", | |
3342 | la->eventTag, phba->fc_eventTag, | |
3343 | phba->pport->port_state, vport->fc_flag); | |
1b51197d | 3344 | else |
3163f725 | 3345 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 | 3346 | "1305 Link Down Event x%x received " |
84774a4d JS |
3347 | "Data: x%x x%x x%x x%x x%x\n", |
3348 | la->eventTag, phba->fc_eventTag, | |
3349 | phba->pport->port_state, vport->fc_flag, | |
76a95d75 JS |
3350 | bf_get(lpfc_mbx_read_top_mm, la), |
3351 | bf_get(lpfc_mbx_read_top_fa, la)); | |
84774a4d JS |
3352 | lpfc_mbx_issue_link_down(phba); |
3353 | } | |
be0c0080 JS |
3354 | if ((phba->sli.sli_flag & LPFC_MENLO_MAINT) && |
3355 | ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP))) { | |
84774a4d JS |
3356 | if (phba->link_state != LPFC_LINK_DOWN) { |
3357 | phba->fc_stat.LinkDown++; | |
3358 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3359 | "1312 Link Down Event x%x received " | |
dea3101e | 3360 | "Data: x%x x%x x%x\n", |
e8b62011 | 3361 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 3362 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
3363 | lpfc_mbx_issue_link_down(phba); |
3364 | } else | |
3365 | lpfc_enable_la(phba); | |
3366 | ||
3367 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
3368 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
3369 | "Data: x%x x%x x%x\n", | |
3370 | la->eventTag, phba->fc_eventTag, | |
3371 | phba->pport->port_state, vport->fc_flag); | |
3372 | /* | |
3373 | * The cmnd that triggered this will be waiting for this | |
3374 | * signal. | |
3375 | */ | |
3376 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
3377 | if (phba->wait_4_mlo_maint_flg) { | |
3378 | phba->wait_4_mlo_maint_flg = 0; | |
3379 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 3380 | } |
84774a4d JS |
3381 | } |
3382 | ||
be0c0080 JS |
3383 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
3384 | bf_get(lpfc_mbx_read_top_fa, la)) { | |
3385 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) | |
84774a4d JS |
3386 | lpfc_issue_clear_la(phba, vport); |
3387 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
76a95d75 JS |
3388 | "1311 fa %d\n", |
3389 | bf_get(lpfc_mbx_read_top_fa, la)); | |
dea3101e JB |
3390 | } |
3391 | ||
76a95d75 | 3392 | lpfc_mbx_cmpl_read_topology_free_mbuf: |
dea3101e JB |
3393 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3394 | kfree(mp); | |
3395 | mempool_free(pmb, phba->mbox_mem_pool); | |
3396 | return; | |
3397 | } | |
3398 | ||
3399 | /* | |
3400 | * This routine handles processing a REG_LOGIN mailbox | |
3401 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3402 | * as the completion routine when the command is | |
3403 | * handed off to the SLI layer. | |
3404 | */ | |
3405 | void | |
2e0fef85 | 3406 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3407 | { |
2e0fef85 | 3408 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 3409 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 3410 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
ffc95493 | 3411 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3412 | |
dea3101e | 3413 | pmb->context1 = NULL; |
d439d286 | 3414 | pmb->context2 = NULL; |
dea3101e | 3415 | |
ffc95493 JS |
3416 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
3417 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
3418 | ||
4042629e JS |
3419 | if (ndlp->nlp_flag & NLP_IGNR_REG_CMPL || |
3420 | ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) { | |
ffc95493 JS |
3421 | /* We rcvd a rscn after issuing this |
3422 | * mbox reg login, we may have cycled | |
3423 | * back through the state and be | |
3424 | * back at reg login state so this | |
3425 | * mbox needs to be ignored becase | |
3426 | * there is another reg login in | |
25985edc | 3427 | * process. |
ffc95493 JS |
3428 | */ |
3429 | spin_lock_irq(shost->host_lock); | |
3430 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
3431 | spin_unlock_irq(shost->host_lock); | |
ffc95493 JS |
3432 | } else |
3433 | /* Good status, call state machine */ | |
3434 | lpfc_disc_state_machine(vport, ndlp, pmb, | |
3435 | NLP_EVT_CMPL_REG_LOGIN); | |
3436 | ||
dea3101e JB |
3437 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3438 | kfree(mp); | |
2e0fef85 | 3439 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
3440 | /* decrement the node reference count held for this callback |
3441 | * function. | |
3442 | */ | |
329f9bc7 | 3443 | lpfc_nlp_put(ndlp); |
dea3101e JB |
3444 | |
3445 | return; | |
3446 | } | |
3447 | ||
92d7f7b0 JS |
3448 | static void |
3449 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3450 | { | |
04c68496 | 3451 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
3452 | struct lpfc_vport *vport = pmb->vport; |
3453 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3454 | ||
3455 | switch (mb->mbxStatus) { | |
3456 | case 0x0011: | |
3457 | case 0x0020: | |
e8b62011 JS |
3458 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3459 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
3460 | mb->mbxStatus); | |
92d7f7b0 | 3461 | break; |
78730cfe JS |
3462 | /* If VPI is busy, reset the HBA */ |
3463 | case 0x9700: | |
3464 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3465 | "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n", | |
3466 | vport->vpi, mb->mbxStatus); | |
3467 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
3468 | lpfc_workq_post_event(phba, NULL, NULL, | |
3469 | LPFC_EVT_RESET_HBA); | |
92d7f7b0 | 3470 | } |
72100cc4 | 3471 | spin_lock_irq(shost->host_lock); |
c868595d | 3472 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 3473 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 3474 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
3475 | vport->unreg_vpi_cmpl = VPORT_OK; |
3476 | mempool_free(pmb, phba->mbox_mem_pool); | |
1151e3ec | 3477 | lpfc_cleanup_vports_rrqs(vport, NULL); |
92d7f7b0 JS |
3478 | /* |
3479 | * This shost reference might have been taken at the beginning of | |
3480 | * lpfc_vport_delete() | |
3481 | */ | |
1c6f4ef5 | 3482 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
3483 | scsi_host_put(shost); |
3484 | } | |
3485 | ||
d7c255b2 | 3486 | int |
92d7f7b0 JS |
3487 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
3488 | { | |
3489 | struct lpfc_hba *phba = vport->phba; | |
3490 | LPFC_MBOXQ_t *mbox; | |
3491 | int rc; | |
3492 | ||
3493 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3494 | if (!mbox) | |
d7c255b2 | 3495 | return 1; |
92d7f7b0 JS |
3496 | |
3497 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
3498 | mbox->vport = vport; | |
3499 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 3500 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 3501 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
3502 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3503 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
3504 | mempool_free(mbox, phba->mbox_mem_pool); |
3505 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 3506 | return rc; |
92d7f7b0 | 3507 | } |
d7c255b2 | 3508 | return 0; |
92d7f7b0 JS |
3509 | } |
3510 | ||
3511 | static void | |
3512 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3513 | { | |
3514 | struct lpfc_vport *vport = pmb->vport; | |
3515 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 3516 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
3517 | |
3518 | switch (mb->mbxStatus) { | |
3519 | case 0x0011: | |
3520 | case 0x9601: | |
3521 | case 0x9602: | |
e8b62011 JS |
3522 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3523 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
3524 | mb->mbxStatus); | |
92d7f7b0 JS |
3525 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
3526 | spin_lock_irq(shost->host_lock); | |
3527 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
3528 | spin_unlock_irq(shost->host_lock); | |
3529 | vport->fc_myDID = 0; | |
3530 | goto out; | |
3531 | } | |
92d7f7b0 | 3532 | |
72100cc4 | 3533 | spin_lock_irq(shost->host_lock); |
c868595d | 3534 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 3535 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 3536 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
3537 | vport->num_disc_nodes = 0; |
3538 | /* go thru NPR list and issue ELS PLOGIs */ | |
3539 | if (vport->fc_npr_cnt) | |
3540 | lpfc_els_disc_plogi(vport); | |
3541 | ||
3542 | if (!vport->num_disc_nodes) { | |
3543 | spin_lock_irq(shost->host_lock); | |
3544 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
3545 | spin_unlock_irq(shost->host_lock); | |
3546 | lpfc_can_disctmo(vport); | |
3547 | } | |
3548 | vport->port_state = LPFC_VPORT_READY; | |
3549 | ||
3550 | out: | |
3551 | mempool_free(pmb, phba->mbox_mem_pool); | |
3552 | return; | |
3553 | } | |
3554 | ||
21e9a0a5 JS |
3555 | /** |
3556 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
3557 | * @phba: pointer to lpfc hba data structure. | |
3558 | * | |
3559 | * This routine issue a DUMP mailbox command for config region 22 to get | |
3560 | * the list of static vports to be created. The function create vports | |
3561 | * based on the information returned from the HBA. | |
3562 | **/ | |
3563 | void | |
3564 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
3565 | { | |
3566 | LPFC_MBOXQ_t *pmb = NULL; | |
3567 | MAILBOX_t *mb; | |
3568 | struct static_vport_info *vport_info; | |
cdcc2343 | 3569 | int mbx_wait_rc = 0, i; |
21e9a0a5 JS |
3570 | struct fc_vport_identifiers vport_id; |
3571 | struct fc_vport *new_fc_vport; | |
3572 | struct Scsi_Host *shost; | |
3573 | struct lpfc_vport *vport; | |
3574 | uint16_t offset = 0; | |
3575 | uint8_t *vport_buff; | |
1c6834a7 JS |
3576 | struct lpfc_dmabuf *mp; |
3577 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
3578 | |
3579 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3580 | if (!pmb) { | |
3581 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3582 | "0542 lpfc_create_static_vport failed to" | |
3583 | " allocate mailbox memory\n"); | |
3584 | return; | |
3585 | } | |
cdcc2343 | 3586 | memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); |
21e9a0a5 JS |
3587 | mb = &pmb->u.mb; |
3588 | ||
3589 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
3590 | if (!vport_info) { | |
3591 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3592 | "0543 lpfc_create_static_vport failed to" | |
3593 | " allocate vport_info\n"); | |
3594 | mempool_free(pmb, phba->mbox_mem_pool); | |
3595 | return; | |
3596 | } | |
3597 | ||
3598 | vport_buff = (uint8_t *) vport_info; | |
3599 | do { | |
cdcc2343 JS |
3600 | /* free dma buffer from previous round */ |
3601 | if (pmb->context1) { | |
3602 | mp = (struct lpfc_dmabuf *)pmb->context1; | |
3603 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3604 | kfree(mp); | |
3605 | } | |
1c6834a7 JS |
3606 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
3607 | goto out; | |
3608 | ||
21e9a0a5 | 3609 | pmb->vport = phba->pport; |
cdcc2343 JS |
3610 | mbx_wait_rc = lpfc_sli_issue_mbox_wait(phba, pmb, |
3611 | LPFC_MBOX_TMO); | |
21e9a0a5 | 3612 | |
cdcc2343 | 3613 | if ((mbx_wait_rc != MBX_SUCCESS) || mb->mbxStatus) { |
21e9a0a5 JS |
3614 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
3615 | "0544 lpfc_create_static_vport failed to" | |
3616 | " issue dump mailbox command ret 0x%x " | |
3617 | "status 0x%x\n", | |
cdcc2343 | 3618 | mbx_wait_rc, mb->mbxStatus); |
21e9a0a5 JS |
3619 | goto out; |
3620 | } | |
3621 | ||
1c6834a7 JS |
3622 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3623 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
cdcc2343 | 3624 | mp = (struct lpfc_dmabuf *)pmb->context1; |
1c6834a7 JS |
3625 | if (byte_count > sizeof(struct static_vport_info) - |
3626 | offset) | |
3627 | byte_count = sizeof(struct static_vport_info) | |
3628 | - offset; | |
3629 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
3630 | offset += byte_count; | |
3631 | } else { | |
3632 | if (mb->un.varDmp.word_cnt > | |
3633 | sizeof(struct static_vport_info) - offset) | |
3634 | mb->un.varDmp.word_cnt = | |
3635 | sizeof(struct static_vport_info) | |
3636 | - offset; | |
3637 | byte_count = mb->un.varDmp.word_cnt; | |
3638 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
3639 | vport_buff + offset, | |
3640 | byte_count); | |
3641 | ||
3642 | offset += byte_count; | |
3643 | } | |
21e9a0a5 | 3644 | |
1c6834a7 | 3645 | } while (byte_count && |
21e9a0a5 JS |
3646 | offset < sizeof(struct static_vport_info)); |
3647 | ||
3648 | ||
3649 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
3650 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
3651 | != VPORT_INFO_REV)) { | |
3652 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3653 | "0545 lpfc_create_static_vport bad" | |
3654 | " information header 0x%x 0x%x\n", | |
3655 | le32_to_cpu(vport_info->signature), | |
3656 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
3657 | ||
3658 | goto out; | |
3659 | } | |
3660 | ||
3661 | shost = lpfc_shost_from_vport(phba->pport); | |
3662 | ||
3663 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
3664 | memset(&vport_id, 0, sizeof(vport_id)); | |
3665 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
3666 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
3667 | if (!vport_id.port_name || !vport_id.node_name) | |
3668 | continue; | |
3669 | ||
3670 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
3671 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
3672 | vport_id.disable = false; | |
3673 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
3674 | ||
3675 | if (!new_fc_vport) { | |
3676 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3677 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 3678 | " create vport\n"); |
21e9a0a5 JS |
3679 | continue; |
3680 | } | |
3681 | ||
3682 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
3683 | vport->vport_flag |= STATIC_VPORT; | |
3684 | } | |
3685 | ||
3686 | out: | |
21e9a0a5 | 3687 | kfree(vport_info); |
cdcc2343 JS |
3688 | if (mbx_wait_rc != MBX_TIMEOUT) { |
3689 | if (pmb->context1) { | |
3690 | mp = (struct lpfc_dmabuf *)pmb->context1; | |
1c6834a7 JS |
3691 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3692 | kfree(mp); | |
3693 | } | |
21e9a0a5 | 3694 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 3695 | } |
21e9a0a5 JS |
3696 | |
3697 | return; | |
3698 | } | |
3699 | ||
dea3101e JB |
3700 | /* |
3701 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
3702 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3703 | * as the completion routine when the command is | |
3704 | * handed off to the SLI layer. | |
3705 | */ | |
3706 | void | |
2e0fef85 | 3707 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3708 | { |
92d7f7b0 | 3709 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 3710 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 3711 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 3712 | struct lpfc_nodelist *ndlp; |
df9e1b59 | 3713 | struct Scsi_Host *shost; |
dea3101e | 3714 | |
549e55cd | 3715 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
3716 | pmb->context1 = NULL; |
3717 | pmb->context2 = NULL; | |
d439d286 | 3718 | |
dea3101e | 3719 | if (mb->mbxStatus) { |
21e9a0a5 JS |
3720 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
3721 | "0258 Register Fabric login error: 0x%x\n", | |
3722 | mb->mbxStatus); | |
dea3101e JB |
3723 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3724 | kfree(mp); | |
329f9bc7 | 3725 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3726 | |
76a95d75 | 3727 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
3728 | /* FLOGI failed, use loop map to make discovery list */ |
3729 | lpfc_disc_list_loopmap(vport); | |
3730 | ||
3731 | /* Start discovery */ | |
3732 | lpfc_disc_start(vport); | |
e47c9093 JS |
3733 | /* Decrement the reference count to ndlp after the |
3734 | * reference to the ndlp are done. | |
3735 | */ | |
3736 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
3737 | return; |
3738 | } | |
3739 | ||
3740 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
3741 | /* Decrement the reference count to ndlp after the reference |
3742 | * to the ndlp are done. | |
3743 | */ | |
3744 | lpfc_nlp_put(ndlp); | |
dea3101e JB |
3745 | return; |
3746 | } | |
3747 | ||
6d368e53 JS |
3748 | if (phba->sli_rev < LPFC_SLI_REV4) |
3749 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 3750 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 3751 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3752 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3753 | |
2e0fef85 | 3754 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
4b40c59e JS |
3755 | /* when physical port receive logo donot start |
3756 | * vport discovery */ | |
3757 | if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) | |
3758 | lpfc_start_fdiscs(phba); | |
df9e1b59 JS |
3759 | else { |
3760 | shost = lpfc_shost_from_vport(vport); | |
3761 | spin_lock_irq(shost->host_lock); | |
4b40c59e | 3762 | vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ; |
df9e1b59 JS |
3763 | spin_unlock_irq(shost->host_lock); |
3764 | } | |
92d7f7b0 | 3765 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e JB |
3766 | } |
3767 | ||
3768 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3769 | kfree(mp); | |
329f9bc7 | 3770 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
3771 | |
3772 | /* Drop the reference count from the mbox at the end after | |
3773 | * all the current reference to the ndlp have been done. | |
3774 | */ | |
3775 | lpfc_nlp_put(ndlp); | |
dea3101e JB |
3776 | return; |
3777 | } | |
3778 | ||
3779 | /* | |
3780 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
3781 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3782 | * as the completion routine when the command is | |
3783 | * handed off to the SLI layer. | |
3784 | */ | |
3785 | void | |
2e0fef85 | 3786 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3787 | { |
21e9a0a5 | 3788 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
3789 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3790 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3791 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 3792 | |
d439d286 JS |
3793 | pmb->context1 = NULL; |
3794 | pmb->context2 = NULL; | |
3795 | ||
dea3101e | 3796 | if (mb->mbxStatus) { |
92d7f7b0 | 3797 | out: |
21e9a0a5 JS |
3798 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3799 | "0260 Register NameServer error: 0x%x\n", | |
3800 | mb->mbxStatus); | |
fa4066b6 JS |
3801 | /* decrement the node reference count held for this |
3802 | * callback function. | |
3803 | */ | |
329f9bc7 | 3804 | lpfc_nlp_put(ndlp); |
dea3101e JB |
3805 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3806 | kfree(mp); | |
de0c5b32 | 3807 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
3808 | |
3809 | /* If no other thread is using the ndlp, free it */ | |
3810 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 3811 | |
76a95d75 | 3812 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
3813 | /* |
3814 | * RegLogin failed, use loop map to make discovery | |
3815 | * list | |
3816 | */ | |
3817 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 3818 | |
92d7f7b0 JS |
3819 | /* Start discovery */ |
3820 | lpfc_disc_start(vport); | |
3821 | return; | |
3822 | } | |
3823 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e JB |
3824 | return; |
3825 | } | |
3826 | ||
6d368e53 JS |
3827 | if (phba->sli_rev < LPFC_SLI_REV4) |
3828 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 3829 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 3830 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3831 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3832 | |
2e0fef85 JS |
3833 | if (vport->port_state < LPFC_VPORT_READY) { |
3834 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
3835 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
3836 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
3837 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
3838 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3839 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
3840 | ||
3841 | /* Issue SCR just before NameServer GID_FT Query */ | |
3842 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e JB |
3843 | } |
3844 | ||
2e0fef85 | 3845 | vport->fc_ns_retry = 0; |
dea3101e | 3846 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 3847 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 3848 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 3849 | goto out; |
dea3101e JB |
3850 | } |
3851 | ||
fa4066b6 JS |
3852 | /* decrement the node reference count held for this |
3853 | * callback function. | |
3854 | */ | |
329f9bc7 | 3855 | lpfc_nlp_put(ndlp); |
dea3101e JB |
3856 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3857 | kfree(mp); | |
2e0fef85 | 3858 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
3859 | |
3860 | return; | |
3861 | } | |
3862 | ||
3863 | static void | |
2e0fef85 | 3864 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3865 | { |
2e0fef85 JS |
3866 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3867 | struct fc_rport *rport; | |
dea3101e JB |
3868 | struct lpfc_rport_data *rdata; |
3869 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 3870 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
3871 | |
3872 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
3873 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
3874 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e JB |
3875 | rport_ids.port_id = ndlp->nlp_DID; |
3876 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 3877 | |
329f9bc7 JS |
3878 | /* |
3879 | * We leave our node pointer in rport->dd_data when we unregister a | |
3880 | * FCP target port. But fc_remote_port_add zeros the space to which | |
3881 | * rport->dd_data points. So, if we're reusing a previously | |
3882 | * registered port, drop the reference that we took the last time we | |
3883 | * registered the port. | |
3884 | */ | |
3885 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 3886 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 3887 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
3888 | |
3889 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
3890 | "rport add: did:x%x flg:x%x type x%x", | |
3891 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3892 | ||
9589b062 JS |
3893 | /* Don't add the remote port if unloading. */ |
3894 | if (vport->load_flag & FC_UNLOADING) | |
3895 | return; | |
3896 | ||
2e0fef85 | 3897 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 3898 | if (!rport || !get_device(&rport->dev)) { |
dea3101e JB |
3899 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
3900 | "Warning: fc_remote_port_add failed\n"); | |
3901 | return; | |
3902 | } | |
3903 | ||
3904 | /* initialize static port data */ | |
3905 | rport->maxframe_size = ndlp->nlp_maxframe; | |
3906 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 3907 | rdata = rport->dd_data; |
329f9bc7 | 3908 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
3909 | |
3910 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
3911 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
3912 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
3913 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
3914 | ||
23dc04f1 JSEC |
3915 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) |
3916 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
3917 | ||
34f5ad8b JS |
3918 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
3919 | "3183 rport register x%06x, rport %p role x%x\n", | |
3920 | ndlp->nlp_DID, rport, rport_ids.roles); | |
3921 | ||
071fbd3d | 3922 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 3923 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
3924 | ndlp->nlp_sid = rport->scsi_target_id; |
3925 | } | |
19a7b4ae JSEC |
3926 | return; |
3927 | } | |
3928 | ||
3929 | static void | |
2e0fef85 | 3930 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
3931 | { |
3932 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 3933 | |
858c9f6c JS |
3934 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
3935 | "rport delete: did:x%x flg:x%x type x%x", | |
3936 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3937 | ||
34f5ad8b JS |
3938 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
3939 | "3184 rport unregister x%06x, rport %p\n", | |
3940 | ndlp->nlp_DID, rport); | |
3941 | ||
19a7b4ae | 3942 | fc_remote_port_delete(rport); |
dea3101e JB |
3943 | |
3944 | return; | |
3945 | } | |
3946 | ||
de0c5b32 | 3947 | static void |
2e0fef85 | 3948 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 3949 | { |
2e0fef85 JS |
3950 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3951 | ||
3952 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
3953 | switch (state) { |
3954 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 3955 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
3956 | break; |
3957 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 3958 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
3959 | break; |
3960 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 3961 | vport->fc_adisc_cnt += count; |
dea3101e | 3962 | break; |
de0c5b32 | 3963 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 3964 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
3965 | break; |
3966 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 3967 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
3968 | break; |
3969 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 3970 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
3971 | break; |
3972 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 3973 | vport->fc_map_cnt += count; |
de0c5b32 JS |
3974 | break; |
3975 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 3976 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
3977 | break; |
3978 | } | |
2e0fef85 | 3979 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 3980 | } |
66a9ed66 | 3981 | |
de0c5b32 | 3982 | static void |
2e0fef85 | 3983 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
3984 | int old_state, int new_state) |
3985 | { | |
2e0fef85 JS |
3986 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3987 | ||
de0c5b32 | 3988 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
de0c5b32 JS |
3989 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
3990 | ndlp->nlp_type |= NLP_FC_NODE; | |
3991 | } | |
3992 | if (new_state == NLP_STE_MAPPED_NODE) | |
3993 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3994 | if (new_state == NLP_STE_NPR_NODE) | |
3995 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
3996 | ||
3997 | /* Transport interface */ | |
3998 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
3999 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
4000 | vport->phba->nport_event_cnt++; |
4001 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 4002 | } |
dea3101e | 4003 | |
de0c5b32 JS |
4004 | if (new_state == NLP_STE_MAPPED_NODE || |
4005 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 4006 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
4007 | /* |
4008 | * Tell the fc transport about the port, if we haven't | |
4009 | * already. If we have, and it's a scsi entity, be | |
4010 | * sure to unblock any attached scsi devices | |
4011 | */ | |
4012 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 4013 | } |
ea2151b4 JS |
4014 | if ((new_state == NLP_STE_MAPPED_NODE) && |
4015 | (vport->stat_data_enabled)) { | |
4016 | /* | |
4017 | * A new target is discovered, if there is no buffer for | |
4018 | * statistical data collection allocate buffer. | |
4019 | */ | |
4020 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
4021 | sizeof(struct lpfc_scsicmd_bkt), | |
4022 | GFP_KERNEL); | |
4023 | ||
4024 | if (!ndlp->lat_data) | |
4025 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
4026 | "0286 lpfc_nlp_state_cleanup failed to " | |
4027 | "allocate statistical data buffer DID " | |
4028 | "0x%x\n", ndlp->nlp_DID); | |
4029 | } | |
858c9f6c JS |
4030 | /* |
4031 | * if we added to Mapped list, but the remote port | |
4032 | * registration failed or assigned a target id outside | |
4033 | * our presentable range - move the node to the | |
4034 | * Unmapped List | |
4035 | */ | |
de0c5b32 JS |
4036 | if (new_state == NLP_STE_MAPPED_NODE && |
4037 | (!ndlp->rport || | |
4038 | ndlp->rport->scsi_target_id == -1 || | |
4039 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 4040 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 4041 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
4042 | spin_unlock_irq(shost->host_lock); |
4043 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 4044 | } |
de0c5b32 JS |
4045 | } |
4046 | ||
685f0bf7 JS |
4047 | static char * |
4048 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
4049 | { | |
4050 | static char *states[] = { | |
4051 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
4052 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
4053 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
4054 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
4055 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
086a345f | 4056 | [NLP_STE_LOGO_ISSUE] = "LOGO", |
685f0bf7 JS |
4057 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", |
4058 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
4059 | [NLP_STE_NPR_NODE] = "NPR", | |
4060 | }; | |
4061 | ||
311464ec | 4062 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
4063 | strlcpy(buffer, states[state], size); |
4064 | else | |
4065 | snprintf(buffer, size, "unknown (%d)", state); | |
4066 | return buffer; | |
4067 | } | |
4068 | ||
de0c5b32 | 4069 | void |
2e0fef85 JS |
4070 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4071 | int state) | |
de0c5b32 | 4072 | { |
2e0fef85 | 4073 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 4074 | int old_state = ndlp->nlp_state; |
685f0bf7 | 4075 | char name1[16], name2[16]; |
de0c5b32 | 4076 | |
e8b62011 JS |
4077 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4078 | "0904 NPort state transition x%06x, %s -> %s\n", | |
4079 | ndlp->nlp_DID, | |
4080 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
4081 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
4082 | |
4083 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4084 | "node statechg did:x%x old:%d ste:%d", | |
4085 | ndlp->nlp_DID, old_state, state); | |
4086 | ||
de0c5b32 | 4087 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 4088 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 4089 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
4090 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
4091 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
4092 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
4093 | } | |
4094 | ||
685f0bf7 | 4095 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
4096 | spin_lock_irq(shost->host_lock); |
4097 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
4098 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 4099 | } else if (old_state) |
2e0fef85 | 4100 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
4101 | |
4102 | ndlp->nlp_state = state; | |
2e0fef85 JS |
4103 | lpfc_nlp_counters(vport, state, 1); |
4104 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
4105 | } |
4106 | ||
e47c9093 JS |
4107 | void |
4108 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
4109 | { | |
4110 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4111 | ||
4112 | if (list_empty(&ndlp->nlp_listp)) { | |
4113 | spin_lock_irq(shost->host_lock); | |
4114 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
4115 | spin_unlock_irq(shost->host_lock); | |
4116 | } | |
4117 | } | |
4118 | ||
de0c5b32 | 4119 | void |
2e0fef85 | 4120 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 4121 | { |
2e0fef85 JS |
4122 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4123 | ||
0d2b6b83 | 4124 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 4125 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
4126 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
4127 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4128 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 4129 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 4130 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
4131 | NLP_STE_UNUSED_NODE); |
4132 | } | |
4133 | ||
4d9db01e | 4134 | static void |
e47c9093 JS |
4135 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
4136 | { | |
0d2b6b83 | 4137 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
4138 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
4139 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
4140 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
4141 | NLP_STE_UNUSED_NODE); | |
4142 | } | |
109f6ed0 | 4143 | /** |
3621a710 | 4144 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
4145 | * @vport: Pointer to Virtual Port object. |
4146 | * @ndlp: Pointer to FC node object. | |
4147 | * @did: FC_ID of the node. | |
a257bf90 JS |
4148 | * |
4149 | * This function is always called when node object need to be initialized. | |
4150 | * It initializes all the fields of the node object. Although the reference | |
4151 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
4152 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
4153 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
4154 | * the final release of ndlp is determined by its reference count. And, the | |
4155 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
4156 | **/ |
4157 | static inline void | |
4158 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
4159 | uint32_t did) | |
4160 | { | |
4161 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
4162 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
4163 | init_timer(&ndlp->nlp_delayfunc); | |
4164 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
4165 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
4166 | ndlp->nlp_DID = did; | |
4167 | ndlp->vport = vport; | |
a257bf90 | 4168 | ndlp->phba = vport->phba; |
109f6ed0 JS |
4169 | ndlp->nlp_sid = NLP_NO_SID; |
4170 | kref_init(&ndlp->kref); | |
4171 | NLP_INT_NODE_ACT(ndlp); | |
4172 | atomic_set(&ndlp->cmd_pending, 0); | |
7dc517df | 4173 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
4042629e JS |
4174 | if (vport->phba->sli_rev == LPFC_SLI_REV4) |
4175 | ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba); | |
109f6ed0 | 4176 | } |
e47c9093 JS |
4177 | |
4178 | struct lpfc_nodelist * | |
4179 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
4180 | int state) | |
4181 | { | |
4182 | struct lpfc_hba *phba = vport->phba; | |
4183 | uint32_t did; | |
4184 | unsigned long flags; | |
4185 | ||
4186 | if (!ndlp) | |
4187 | return NULL; | |
4188 | ||
4189 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
4190 | /* The ndlp should not be in memory free mode */ | |
4191 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
4192 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4193 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4194 | "0277 lpfc_enable_node: ndlp:x%p " | |
4195 | "usgmap:x%x refcnt:%d\n", | |
4196 | (void *)ndlp, ndlp->nlp_usg_map, | |
4197 | atomic_read(&ndlp->kref.refcount)); | |
4198 | return NULL; | |
4199 | } | |
4200 | /* The ndlp should not already be in active mode */ | |
4201 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
4202 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4203 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4204 | "0278 lpfc_enable_node: ndlp:x%p " | |
4205 | "usgmap:x%x refcnt:%d\n", | |
4206 | (void *)ndlp, ndlp->nlp_usg_map, | |
4207 | atomic_read(&ndlp->kref.refcount)); | |
4208 | return NULL; | |
4209 | } | |
4210 | ||
4211 | /* Keep the original DID */ | |
4212 | did = ndlp->nlp_DID; | |
4213 | ||
4214 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
4215 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
4216 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 4217 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
4218 | |
4219 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4220 | ||
4221 | if (state != NLP_STE_UNUSED_NODE) | |
4222 | lpfc_nlp_set_state(vport, ndlp, state); | |
4223 | ||
4224 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4225 | "node enable: did:x%x", | |
4226 | ndlp->nlp_DID, 0, 0); | |
4227 | return ndlp; | |
de0c5b32 JS |
4228 | } |
4229 | ||
4230 | void | |
2e0fef85 | 4231 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 4232 | { |
87af33fe | 4233 | /* |
fa4066b6 | 4234 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 4235 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
4236 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
4237 | * until ALL other outstanding threads have completed. We check | |
4238 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 4239 | */ |
fa4066b6 JS |
4240 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
4241 | return; | |
51ef4c26 | 4242 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
1151e3ec JS |
4243 | if (vport->phba->sli_rev == LPFC_SLI_REV4) |
4244 | lpfc_cleanup_vports_rrqs(vport, ndlp); | |
87af33fe | 4245 | lpfc_nlp_put(ndlp); |
98c9ea5c | 4246 | return; |
dea3101e JB |
4247 | } |
4248 | ||
4249 | /* | |
4250 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
4251 | */ | |
4252 | void | |
2e0fef85 | 4253 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 4254 | { |
2e0fef85 JS |
4255 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4256 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
4257 | uint32_t tmo; |
4258 | ||
2e0fef85 | 4259 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 4260 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
4261 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
4262 | } else { | |
025dfdaf | 4263 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
4264 | * FC spec states we need 3 * ratov for CT requests |
4265 | */ | |
4266 | tmo = ((phba->fc_ratov * 3) + 3); | |
4267 | } | |
dea3101e | 4268 | |
858c9f6c JS |
4269 | |
4270 | if (!timer_pending(&vport->fc_disctmo)) { | |
4271 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
4272 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
4273 | tmo, vport->port_state, vport->fc_flag); | |
4274 | } | |
4275 | ||
256ec0d0 | 4276 | mod_timer(&vport->fc_disctmo, jiffies + msecs_to_jiffies(1000 * tmo)); |
2e0fef85 JS |
4277 | spin_lock_irq(shost->host_lock); |
4278 | vport->fc_flag |= FC_DISC_TMO; | |
4279 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
4280 | |
4281 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
4282 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4283 | "0247 Start Discovery Timer state x%x " | |
4284 | "Data: x%x x%lx x%x x%x\n", | |
4285 | vport->port_state, tmo, | |
4286 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
4287 | vport->fc_adisc_cnt); | |
dea3101e JB |
4288 | |
4289 | return; | |
4290 | } | |
4291 | ||
4292 | /* | |
4293 | * Cancel rescue timer for Discovery / RSCN handling | |
4294 | */ | |
4295 | int | |
2e0fef85 | 4296 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 4297 | { |
2e0fef85 | 4298 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
4299 | unsigned long iflags; |
4300 | ||
858c9f6c JS |
4301 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4302 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
4303 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
4304 | ||
dea3101e | 4305 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
4306 | if (vport->fc_flag & FC_DISC_TMO) { |
4307 | spin_lock_irqsave(shost->host_lock, iflags); | |
4308 | vport->fc_flag &= ~FC_DISC_TMO; | |
4309 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
4310 | del_timer_sync(&vport->fc_disctmo); | |
4311 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
4312 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
4313 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e JB |
4314 | } |
4315 | ||
4316 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
4317 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4318 | "0248 Cancel Discovery Timer state x%x " | |
4319 | "Data: x%x x%x x%x\n", | |
4320 | vport->port_state, vport->fc_flag, | |
4321 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 4322 | return 0; |
dea3101e JB |
4323 | } |
4324 | ||
4325 | /* | |
4326 | * Check specified ring for outstanding IOCB on the SLI queue | |
4327 | * Return true if iocb matches the specified nport | |
4328 | */ | |
4329 | int | |
2e0fef85 JS |
4330 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
4331 | struct lpfc_sli_ring *pring, | |
4332 | struct lpfc_iocbq *iocb, | |
4333 | struct lpfc_nodelist *ndlp) | |
dea3101e | 4334 | { |
2e0fef85 JS |
4335 | struct lpfc_sli *psli = &phba->sli; |
4336 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
4337 | struct lpfc_vport *vport = ndlp->vport; |
4338 | ||
4339 | if (iocb->vport != vport) | |
4340 | return 0; | |
4341 | ||
dea3101e JB |
4342 | if (pring->ringno == LPFC_ELS_RING) { |
4343 | switch (icmd->ulpCommand) { | |
4344 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 4345 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 4346 | return 1; |
dea3101e | 4347 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
4348 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
4349 | return 1; | |
dea3101e JB |
4350 | case CMD_XMIT_ELS_RSP64_CX: |
4351 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 4352 | return 1; |
dea3101e | 4353 | } |
a4bc3379 | 4354 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e JB |
4355 | |
4356 | } else if (pring->ringno == psli->fcp_ring) { | |
4357 | /* Skip match check if waiting to relogin to FCP target */ | |
4358 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 4359 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 4360 | return 0; |
dea3101e JB |
4361 | } |
4362 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 4363 | return 1; |
dea3101e JB |
4364 | } |
4365 | } else if (pring->ringno == psli->next_ring) { | |
4366 | ||
4367 | } | |
2fe165b6 | 4368 | return 0; |
dea3101e JB |
4369 | } |
4370 | ||
4371 | /* | |
4372 | * Free resources / clean up outstanding I/Os | |
4373 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
4374 | */ | |
4375 | static int | |
2e0fef85 | 4376 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4377 | { |
2534ba75 | 4378 | LIST_HEAD(completions); |
dea3101e JB |
4379 | struct lpfc_sli *psli; |
4380 | struct lpfc_sli_ring *pring; | |
4381 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 4382 | uint32_t i; |
dea3101e | 4383 | |
92d7f7b0 JS |
4384 | lpfc_fabric_abort_nport(ndlp); |
4385 | ||
dea3101e JB |
4386 | /* |
4387 | * Everything that matches on txcmplq will be returned | |
4388 | * by firmware with a no rpi error. | |
4389 | */ | |
4390 | psli = &phba->sli; | |
4042629e | 4391 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
dea3101e JB |
4392 | /* Now process each ring */ |
4393 | for (i = 0; i < psli->num_rings; i++) { | |
4394 | pring = &psli->ring[i]; | |
4395 | ||
2e0fef85 | 4396 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4397 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 4398 | list) { |
dea3101e JB |
4399 | /* |
4400 | * Check to see if iocb matches the nport we are | |
4401 | * looking for | |
4402 | */ | |
92d7f7b0 JS |
4403 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
4404 | ndlp))) { | |
dea3101e JB |
4405 | /* It matches, so deque and call compl |
4406 | with an error */ | |
2534ba75 JS |
4407 | list_move_tail(&iocb->list, |
4408 | &completions); | |
dea3101e JB |
4409 | } |
4410 | } | |
2e0fef85 | 4411 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4412 | } |
4413 | } | |
2534ba75 | 4414 | |
a257bf90 JS |
4415 | /* Cancel all the IOCBs from the completions list */ |
4416 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4417 | IOERR_SLI_ABORTED); | |
2534ba75 | 4418 | |
2fe165b6 | 4419 | return 0; |
dea3101e JB |
4420 | } |
4421 | ||
086a345f JS |
4422 | /** |
4423 | * lpfc_nlp_logo_unreg - Unreg mailbox completion handler before LOGO | |
4424 | * @phba: Pointer to HBA context object. | |
4425 | * @pmb: Pointer to mailbox object. | |
4426 | * | |
4427 | * This function will issue an ELS LOGO command after completing | |
4428 | * the UNREG_RPI. | |
4429 | **/ | |
4430 | void | |
4431 | lpfc_nlp_logo_unreg(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
4432 | { | |
4433 | struct lpfc_vport *vport = pmb->vport; | |
4434 | struct lpfc_nodelist *ndlp; | |
4435 | ||
4436 | ndlp = (struct lpfc_nodelist *)(pmb->context1); | |
4437 | if (!ndlp) | |
4438 | return; | |
4439 | lpfc_issue_els_logo(vport, ndlp, 0); | |
4aa74c3c | 4440 | mempool_free(pmb, phba->mbox_mem_pool); |
086a345f JS |
4441 | } |
4442 | ||
dea3101e JB |
4443 | /* |
4444 | * Free rpi associated with LPFC_NODELIST entry. | |
4445 | * This routine is called from lpfc_freenode(), when we are removing | |
4446 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
4447 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
4448 | * to the remote NPort. In addition, it is called after we receive | |
4449 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
4450 | * we are waiting to PLOGI back to the remote NPort. | |
4451 | */ | |
4452 | int | |
2e0fef85 | 4453 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4454 | { |
2e0fef85 JS |
4455 | struct lpfc_hba *phba = vport->phba; |
4456 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 4457 | int rc; |
6d368e53 | 4458 | uint16_t rpi; |
dea3101e | 4459 | |
f454a9ac JS |
4460 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED || |
4461 | ndlp->nlp_flag & NLP_REG_LOGIN_SEND) { | |
4462 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) | |
4463 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, | |
4464 | "3366 RPI x%x needs to be " | |
4465 | "unregistered nlp_flag x%x " | |
4466 | "did x%x\n", | |
4467 | ndlp->nlp_rpi, ndlp->nlp_flag, | |
4468 | ndlp->nlp_DID); | |
2e0fef85 JS |
4469 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4470 | if (mbox) { | |
6d368e53 JS |
4471 | /* SLI4 ports require the physical rpi value. */ |
4472 | rpi = ndlp->nlp_rpi; | |
4473 | if (phba->sli_rev == LPFC_SLI_REV4) | |
4474 | rpi = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; | |
086a345f | 4475 | |
6d368e53 | 4476 | lpfc_unreg_login(phba, vport->vpi, rpi, mbox); |
ed957684 | 4477 | mbox->vport = vport; |
086a345f JS |
4478 | if (ndlp->nlp_flag & NLP_ISSUE_LOGO) { |
4479 | mbox->context1 = ndlp; | |
4480 | mbox->mbox_cmpl = lpfc_nlp_logo_unreg; | |
4481 | } else { | |
4482 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4483 | } | |
4484 | ||
0b727fea | 4485 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 4486 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 4487 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 4488 | } |
dea3101e | 4489 | lpfc_no_rpi(phba, ndlp); |
d7c47992 | 4490 | |
4042629e JS |
4491 | if (phba->sli_rev != LPFC_SLI_REV4) |
4492 | ndlp->nlp_rpi = 0; | |
4493 | ndlp->nlp_flag &= ~NLP_RPI_REGISTERED; | |
0c287589 | 4494 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e JB |
4495 | return 1; |
4496 | } | |
4497 | return 0; | |
4498 | } | |
4499 | ||
ecfd03c6 JS |
4500 | /** |
4501 | * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba. | |
4502 | * @phba: pointer to lpfc hba data structure. | |
4503 | * | |
4504 | * This routine is invoked to unregister all the currently registered RPIs | |
4505 | * to the HBA. | |
4506 | **/ | |
4507 | void | |
4508 | lpfc_unreg_hba_rpis(struct lpfc_hba *phba) | |
4509 | { | |
4510 | struct lpfc_vport **vports; | |
4511 | struct lpfc_nodelist *ndlp; | |
4512 | struct Scsi_Host *shost; | |
4513 | int i; | |
4514 | ||
4515 | vports = lpfc_create_vport_work_array(phba); | |
63e801ce JS |
4516 | if (!vports) { |
4517 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
4518 | "2884 Vport array allocation failed \n"); | |
4519 | return; | |
4520 | } | |
ecfd03c6 JS |
4521 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
4522 | shost = lpfc_shost_from_vport(vports[i]); | |
4523 | spin_lock_irq(shost->host_lock); | |
4524 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
4042629e | 4525 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
0c9ab6f5 JS |
4526 | /* The mempool_alloc might sleep */ |
4527 | spin_unlock_irq(shost->host_lock); | |
ecfd03c6 | 4528 | lpfc_unreg_rpi(vports[i], ndlp); |
0c9ab6f5 JS |
4529 | spin_lock_irq(shost->host_lock); |
4530 | } | |
ecfd03c6 JS |
4531 | } |
4532 | spin_unlock_irq(shost->host_lock); | |
4533 | } | |
4534 | lpfc_destroy_vport_work_array(phba, vports); | |
4535 | } | |
4536 | ||
92d7f7b0 JS |
4537 | void |
4538 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
4539 | { | |
4540 | struct lpfc_hba *phba = vport->phba; | |
4541 | LPFC_MBOXQ_t *mbox; | |
4542 | int rc; | |
4543 | ||
5af5eee7 JS |
4544 | if (phba->sli_rev == LPFC_SLI_REV4) { |
4545 | lpfc_sli4_unreg_all_rpis(vport); | |
4546 | return; | |
4547 | } | |
4548 | ||
92d7f7b0 JS |
4549 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4550 | if (mbox) { | |
6d368e53 JS |
4551 | lpfc_unreg_login(phba, vport->vpi, LPFC_UNREG_ALL_RPIS_VPORT, |
4552 | mbox); | |
92d7f7b0 JS |
4553 | mbox->vport = vport; |
4554 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
4555 | mbox->context1 = NULL; |
4556 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 4557 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4558 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
4559 | |
4560 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
4561 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
4562 | "1836 Could not issue " | |
4563 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
4564 | } |
4565 | } | |
4566 | ||
4567 | void | |
4568 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
4569 | { | |
4570 | struct lpfc_hba *phba = vport->phba; | |
4571 | LPFC_MBOXQ_t *mbox; | |
4572 | int rc; | |
4573 | ||
4574 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4575 | if (mbox) { | |
6d368e53 JS |
4576 | lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS, |
4577 | mbox); | |
92d7f7b0 JS |
4578 | mbox->vport = vport; |
4579 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
4580 | mbox->context1 = NULL; |
4581 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
4582 | if (rc != MBX_TIMEOUT) |
4583 | mempool_free(mbox, phba->mbox_mem_pool); | |
4584 | ||
4585 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
4586 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
4587 | "1815 Could not issue " | |
a257bf90 JS |
4588 | "unreg_did (default rpis) status %d\n", |
4589 | rc); | |
92d7f7b0 JS |
4590 | } |
4591 | } | |
4592 | ||
dea3101e JB |
4593 | /* |
4594 | * Free resources associated with LPFC_NODELIST entry | |
4595 | * so it can be freed. | |
4596 | */ | |
4597 | static int | |
2e0fef85 | 4598 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4599 | { |
2e0fef85 JS |
4600 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4601 | struct lpfc_hba *phba = vport->phba; | |
4602 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 4603 | struct lpfc_dmabuf *mp; |
dea3101e JB |
4604 | |
4605 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
4606 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4607 | "0900 Cleanup node for NPort x%x " | |
4608 | "Data: x%x x%x x%x\n", | |
4609 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4610 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
4611 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4612 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4613 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
4614 | "usgmap:x%x refcnt:%d\n", | |
4615 | (void *)ndlp, ndlp->nlp_usg_map, | |
4616 | atomic_read(&ndlp->kref.refcount)); | |
4617 | lpfc_dequeue_node(vport, ndlp); | |
4618 | } else { | |
4619 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
4620 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
4621 | "usgmap:x%x refcnt:%d\n", | |
4622 | (void *)ndlp, ndlp->nlp_usg_map, | |
4623 | atomic_read(&ndlp->kref.refcount)); | |
4624 | lpfc_disable_node(vport, ndlp); | |
4625 | } | |
dea3101e | 4626 | |
086a345f JS |
4627 | |
4628 | /* Don't need to clean up REG_LOGIN64 cmds for Default RPI cleanup */ | |
4629 | ||
dea3101e JB |
4630 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
4631 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 4632 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
086a345f | 4633 | !(mb->mbox_flag & LPFC_MBX_IMED_UNREG) && |
dea3101e JB |
4634 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
4635 | mb->context2 = NULL; | |
4636 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4637 | } | |
4638 | } | |
33ccf8d1 | 4639 | |
2e0fef85 | 4640 | spin_lock_irq(&phba->hbalock); |
5ac6b303 JS |
4641 | /* Cleanup REG_LOGIN completions which are not yet processed */ |
4642 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
4643 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) || | |
086a345f | 4644 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG) || |
5ac6b303 JS |
4645 | (ndlp != (struct lpfc_nodelist *) mb->context2)) |
4646 | continue; | |
4647 | ||
4648 | mb->context2 = NULL; | |
4649 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4650 | } | |
4651 | ||
dea3101e | 4652 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 4653 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
086a345f | 4654 | !(mb->mbox_flag & LPFC_MBX_IMED_UNREG) && |
92d7f7b0 | 4655 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e JB |
4656 | mp = (struct lpfc_dmabuf *) (mb->context1); |
4657 | if (mp) { | |
2e0fef85 | 4658 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
4659 | kfree(mp); |
4660 | } | |
4661 | list_del(&mb->list); | |
4662 | mempool_free(mb, phba->mbox_mem_pool); | |
e47c9093 JS |
4663 | /* We shall not invoke the lpfc_nlp_put to decrement |
4664 | * the ndlp reference count as we are in the process | |
4665 | * of lpfc_nlp_release. | |
4666 | */ | |
dea3101e JB |
4667 | } |
4668 | } | |
2e0fef85 | 4669 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4670 | |
e47c9093 JS |
4671 | lpfc_els_abort(phba, ndlp); |
4672 | ||
2e0fef85 | 4673 | spin_lock_irq(shost->host_lock); |
c01f3208 | 4674 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 4675 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4676 | |
5024ab17 | 4677 | ndlp->nlp_last_elscmd = 0; |
dea3101e JB |
4678 | del_timer_sync(&ndlp->nlp_delayfunc); |
4679 | ||
0d2b6b83 JS |
4680 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
4681 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
1151e3ec | 4682 | lpfc_cleanup_vports_rrqs(vport, ndlp); |
2e0fef85 | 4683 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 4684 | |
2fe165b6 | 4685 | return 0; |
dea3101e JB |
4686 | } |
4687 | ||
4688 | /* | |
4689 | * Check to see if we can free the nlp back to the freelist. | |
4690 | * If we are in the middle of using the nlp in the discovery state | |
4691 | * machine, defer the free till we reach the end of the state machine. | |
4692 | */ | |
329f9bc7 | 4693 | static void |
2e0fef85 | 4694 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4695 | { |
a8adb832 | 4696 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 4697 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
4698 | LPFC_MBOXQ_t *mbox; |
4699 | int rc; | |
dea3101e | 4700 | |
0d2b6b83 | 4701 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 | 4702 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
4042629e JS |
4703 | !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) && |
4704 | !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { | |
a8adb832 JS |
4705 | /* For this case we need to cleanup the default rpi |
4706 | * allocated by the firmware. | |
4707 | */ | |
4708 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
4709 | != NULL) { | |
21e9a0a5 | 4710 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
4042629e | 4711 | (uint8_t *) &vport->fc_sparam, mbox, ndlp->nlp_rpi); |
a8adb832 JS |
4712 | if (rc) { |
4713 | mempool_free(mbox, phba->mbox_mem_pool); | |
4714 | } | |
4715 | else { | |
4716 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
4717 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
4718 | mbox->vport = vport; | |
086a345f | 4719 | mbox->context2 = ndlp; |
a8adb832 JS |
4720 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
4721 | if (rc == MBX_NOT_FINISHED) { | |
4722 | mempool_free(mbox, phba->mbox_mem_pool); | |
4723 | } | |
4724 | } | |
4725 | } | |
4726 | } | |
2e0fef85 | 4727 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 4728 | |
2e0fef85 | 4729 | /* |
92d7f7b0 JS |
4730 | * We can get here with a non-NULL ndlp->rport because when we |
4731 | * unregister a rport we don't break the rport/node linkage. So if we | |
4732 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 4733 | */ |
92d7f7b0 | 4734 | if (ndlp->rport) { |
329f9bc7 JS |
4735 | rdata = ndlp->rport->dd_data; |
4736 | rdata->pnode = NULL; | |
4737 | ndlp->rport = NULL; | |
dea3101e | 4738 | } |
dea3101e JB |
4739 | } |
4740 | ||
4741 | static int | |
2e0fef85 JS |
4742 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4743 | uint32_t did) | |
dea3101e | 4744 | { |
2e0fef85 | 4745 | D_ID mydid, ndlpdid, matchdid; |
dea3101e JB |
4746 | |
4747 | if (did == Bcast_DID) | |
2fe165b6 | 4748 | return 0; |
dea3101e | 4749 | |
dea3101e JB |
4750 | /* First check for Direct match */ |
4751 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 4752 | return 1; |
dea3101e JB |
4753 | |
4754 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 4755 | mydid.un.word = vport->fc_myDID; |
dea3101e | 4756 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 4757 | return 0; |
dea3101e JB |
4758 | } |
4759 | ||
4760 | matchdid.un.word = did; | |
4761 | ndlpdid.un.word = ndlp->nlp_DID; | |
4762 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
4763 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
4764 | (mydid.un.b.area == matchdid.un.b.area)) { | |
4765 | if ((ndlpdid.un.b.domain == 0) && | |
4766 | (ndlpdid.un.b.area == 0)) { | |
4767 | if (ndlpdid.un.b.id) | |
2fe165b6 | 4768 | return 1; |
dea3101e | 4769 | } |
2fe165b6 | 4770 | return 0; |
dea3101e JB |
4771 | } |
4772 | ||
4773 | matchdid.un.word = ndlp->nlp_DID; | |
4774 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
4775 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
4776 | if ((matchdid.un.b.domain == 0) && | |
4777 | (matchdid.un.b.area == 0)) { | |
4778 | if (matchdid.un.b.id) | |
2fe165b6 | 4779 | return 1; |
dea3101e JB |
4780 | } |
4781 | } | |
4782 | } | |
2fe165b6 | 4783 | return 0; |
dea3101e JB |
4784 | } |
4785 | ||
685f0bf7 | 4786 | /* Search for a nodelist entry */ |
2e0fef85 JS |
4787 | static struct lpfc_nodelist * |
4788 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4789 | { |
2fb9bd8b | 4790 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
4791 | uint32_t data1; |
4792 | ||
2e0fef85 JS |
4793 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
4794 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
4795 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
4796 | ((uint32_t) ndlp->nlp_xri << 16) | | |
4797 | ((uint32_t) ndlp->nlp_type << 8) | | |
4798 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
4799 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4800 | "0929 FIND node DID " | |
4801 | "Data: x%p x%x x%x x%x\n", | |
4802 | ndlp, ndlp->nlp_DID, | |
4803 | ndlp->nlp_flag, data1); | |
685f0bf7 | 4804 | return ndlp; |
dea3101e JB |
4805 | } |
4806 | } | |
66a9ed66 | 4807 | |
dea3101e | 4808 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
4809 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4810 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e JB |
4811 | return NULL; |
4812 | } | |
4813 | ||
4814 | struct lpfc_nodelist * | |
2e0fef85 JS |
4815 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
4816 | { | |
4817 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4818 | struct lpfc_nodelist *ndlp; | |
fedd3b7b | 4819 | unsigned long iflags; |
2e0fef85 | 4820 | |
fedd3b7b | 4821 | spin_lock_irqsave(shost->host_lock, iflags); |
2e0fef85 | 4822 | ndlp = __lpfc_findnode_did(vport, did); |
fedd3b7b | 4823 | spin_unlock_irqrestore(shost->host_lock, iflags); |
2e0fef85 JS |
4824 | return ndlp; |
4825 | } | |
4826 | ||
4827 | struct lpfc_nodelist * | |
4828 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4829 | { |
2e0fef85 | 4830 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4831 | struct lpfc_nodelist *ndlp; |
dea3101e | 4832 | |
2e0fef85 | 4833 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 4834 | if (!ndlp) { |
2e0fef85 JS |
4835 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
4836 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e JB |
4837 | return NULL; |
4838 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 4839 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e JB |
4840 | if (!ndlp) |
4841 | return NULL; | |
2e0fef85 JS |
4842 | lpfc_nlp_init(vport, ndlp, did); |
4843 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
4844 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4845 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4846 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4847 | return ndlp; |
e47c9093 JS |
4848 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
4849 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
4850 | if (!ndlp) | |
4851 | return NULL; | |
4852 | spin_lock_irq(shost->host_lock); | |
4853 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4854 | spin_unlock_irq(shost->host_lock); | |
4855 | return ndlp; | |
dea3101e | 4856 | } |
e47c9093 | 4857 | |
58da1ffb JS |
4858 | if ((vport->fc_flag & FC_RSCN_MODE) && |
4859 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 4860 | if (lpfc_rscn_payload_check(vport, did)) { |
25985edc | 4861 | /* If we've already received a PLOGI from this NPort |
87af33fe JS |
4862 | * we don't need to try to discover it again. |
4863 | */ | |
4864 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
4865 | return NULL; | |
4866 | ||
c9f8735b JW |
4867 | /* Since this node is marked for discovery, |
4868 | * delay timeout is not needed. | |
4869 | */ | |
0d2b6b83 | 4870 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
4871 | spin_lock_irq(shost->host_lock); |
4872 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4873 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 4874 | } else |
dea3101e | 4875 | ndlp = NULL; |
2fe165b6 | 4876 | } else { |
25985edc | 4877 | /* If we've already received a PLOGI from this NPort, |
87af33fe JS |
4878 | * or we are already in the process of discovery on it, |
4879 | * we don't need to try to discover it again. | |
4880 | */ | |
685f0bf7 | 4881 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
4882 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4883 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 4884 | return NULL; |
2e0fef85 JS |
4885 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
4886 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4887 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4888 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
4889 | } |
4890 | return ndlp; | |
4891 | } | |
4892 | ||
4893 | /* Build a list of nodes to discover based on the loopmap */ | |
4894 | void | |
2e0fef85 | 4895 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 4896 | { |
2e0fef85 | 4897 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
4898 | int j; |
4899 | uint32_t alpa, index; | |
4900 | ||
2e0fef85 | 4901 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4902 | return; |
2e0fef85 | 4903 | |
76a95d75 | 4904 | if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) |
dea3101e | 4905 | return; |
dea3101e JB |
4906 | |
4907 | /* Check for loop map present or not */ | |
4908 | if (phba->alpa_map[0]) { | |
4909 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
4910 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 4911 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 4912 | continue; |
2e0fef85 | 4913 | lpfc_setup_disc_node(vport, alpa); |
dea3101e JB |
4914 | } |
4915 | } else { | |
4916 | /* No alpamap, so try all alpa's */ | |
4917 | for (j = 0; j < FC_MAXLOOP; j++) { | |
4918 | /* If cfg_scan_down is set, start from highest | |
4919 | * ALPA (0xef) to lowest (0x1). | |
4920 | */ | |
3de2a653 | 4921 | if (vport->cfg_scan_down) |
dea3101e JB |
4922 | index = j; |
4923 | else | |
4924 | index = FC_MAXLOOP - j - 1; | |
4925 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 4926 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 4927 | continue; |
2e0fef85 | 4928 | lpfc_setup_disc_node(vport, alpa); |
dea3101e JB |
4929 | } |
4930 | } | |
4931 | return; | |
4932 | } | |
4933 | ||
dea3101e | 4934 | void |
2e0fef85 | 4935 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 4936 | { |
dea3101e | 4937 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
4938 | struct lpfc_sli *psli = &phba->sli; |
4939 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
4940 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
4941 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
4942 | int rc; | |
4943 | ||
92d7f7b0 JS |
4944 | /* |
4945 | * if it's not a physical port or if we already send | |
4946 | * clear_la then don't send it. | |
4947 | */ | |
4948 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
4949 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
4950 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
4951 | return; |
4952 | ||
2e0fef85 JS |
4953 | /* Link up discovery */ |
4954 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
4955 | phba->link_state = LPFC_CLEAR_LA; | |
4956 | lpfc_clear_la(phba, mbox); | |
4957 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
4958 | mbox->vport = vport; | |
0b727fea | 4959 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
4960 | if (rc == MBX_NOT_FINISHED) { |
4961 | mempool_free(mbox, phba->mbox_mem_pool); | |
4962 | lpfc_disc_flush_list(vport); | |
4963 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4964 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4965 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
4966 | phba->link_state = LPFC_HBA_ERROR; |
4967 | } | |
4968 | } | |
4969 | } | |
4970 | ||
4971 | /* Reg_vpi to tell firmware to resume normal operations */ | |
4972 | void | |
4973 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4974 | { | |
4975 | LPFC_MBOXQ_t *regvpimbox; | |
4976 | ||
4977 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4978 | if (regvpimbox) { | |
da0436e9 | 4979 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
4980 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
4981 | regvpimbox->vport = vport; | |
0b727fea | 4982 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
4983 | == MBX_NOT_FINISHED) { |
4984 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
4985 | } |
4986 | } | |
4987 | } | |
4988 | ||
4989 | /* Start Link up / RSCN discovery on NPR nodes */ | |
4990 | void | |
4991 | lpfc_disc_start(struct lpfc_vport *vport) | |
4992 | { | |
4993 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4994 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 4995 | uint32_t num_sent; |
dea3101e | 4996 | uint32_t clear_la_pending; |
685f0bf7 | 4997 | int did_changed; |
dea3101e | 4998 | |
e74c03c8 JS |
4999 | if (!lpfc_is_link_up(phba)) { |
5000 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, | |
5001 | "3315 Link is not up %x\n", | |
5002 | phba->link_state); | |
dea3101e | 5003 | return; |
e74c03c8 | 5004 | } |
2e0fef85 JS |
5005 | |
5006 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e JB |
5007 | clear_la_pending = 1; |
5008 | else | |
5009 | clear_la_pending = 0; | |
5010 | ||
2e0fef85 JS |
5011 | if (vport->port_state < LPFC_VPORT_READY) |
5012 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 5013 | |
2e0fef85 JS |
5014 | lpfc_set_disctmo(vport); |
5015 | ||
5016 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 5017 | did_changed = 0; |
2e0fef85 | 5018 | else |
dea3101e | 5019 | did_changed = 1; |
2e0fef85 JS |
5020 | |
5021 | vport->fc_prevDID = vport->fc_myDID; | |
5022 | vport->num_disc_nodes = 0; | |
dea3101e JB |
5023 | |
5024 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
5025 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
5026 | "0202 Start Discovery hba state x%x " | |
5027 | "Data: x%x x%x x%x\n", | |
5028 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
5029 | vport->fc_adisc_cnt); | |
dea3101e JB |
5030 | |
5031 | /* First do ADISCs - if any */ | |
2e0fef85 | 5032 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e JB |
5033 | |
5034 | if (num_sent) | |
5035 | return; | |
5036 | ||
6fa139f3 | 5037 | /* Register the VPI for SLI3, NPIV only. */ |
92d7f7b0 | 5038 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
1b32f6aa | 5039 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
5040 | !(vport->fc_flag & FC_RSCN_MODE) && |
5041 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
6fa139f3 JS |
5042 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
5043 | lpfc_issue_clear_la(phba, vport); | |
92d7f7b0 JS |
5044 | lpfc_issue_reg_vpi(phba, vport); |
5045 | return; | |
5046 | } | |
5047 | ||
5048 | /* | |
5049 | * For SLI2, we need to set port_state to READY and continue | |
5050 | * discovery. | |
5051 | */ | |
2e0fef85 | 5052 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 5053 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 5054 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 5055 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 5056 | |
92d7f7b0 | 5057 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
5058 | vport->num_disc_nodes = 0; |
5059 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
5060 | if (vport->fc_npr_cnt) | |
5061 | lpfc_els_disc_plogi(vport); | |
5062 | ||
5063 | if (!vport->num_disc_nodes) { | |
5064 | spin_lock_irq(shost->host_lock); | |
5065 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
5066 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 5067 | lpfc_can_disctmo(vport); |
dea3101e JB |
5068 | } |
5069 | } | |
92d7f7b0 | 5070 | vport->port_state = LPFC_VPORT_READY; |
dea3101e JB |
5071 | } else { |
5072 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 5073 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e JB |
5074 | |
5075 | if (num_sent) | |
5076 | return; | |
5077 | ||
2e0fef85 | 5078 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e JB |
5079 | /* Check to see if more RSCNs came in while we |
5080 | * were processing this one. | |
5081 | */ | |
2e0fef85 JS |
5082 | if ((vport->fc_rscn_id_cnt == 0) && |
5083 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
5084 | spin_lock_irq(shost->host_lock); | |
5085 | vport->fc_flag &= ~FC_RSCN_MODE; | |
5086 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 5087 | lpfc_can_disctmo(vport); |
2fe165b6 | 5088 | } else |
2e0fef85 | 5089 | lpfc_els_handle_rscn(vport); |
dea3101e JB |
5090 | } |
5091 | } | |
5092 | return; | |
5093 | } | |
5094 | ||
5095 | /* | |
5096 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
5097 | * ring the match the sppecified nodelist. | |
5098 | */ | |
5099 | static void | |
2e0fef85 | 5100 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 5101 | { |
2534ba75 | 5102 | LIST_HEAD(completions); |
dea3101e JB |
5103 | struct lpfc_sli *psli; |
5104 | IOCB_t *icmd; | |
5105 | struct lpfc_iocbq *iocb, *next_iocb; | |
5106 | struct lpfc_sli_ring *pring; | |
dea3101e JB |
5107 | |
5108 | psli = &phba->sli; | |
5109 | pring = &psli->ring[LPFC_ELS_RING]; | |
5110 | ||
5111 | /* Error matching iocb on txq or txcmplq | |
5112 | * First check the txq. | |
5113 | */ | |
2e0fef85 | 5114 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
5115 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
5116 | if (iocb->context1 != ndlp) { | |
5117 | continue; | |
5118 | } | |
5119 | icmd = &iocb->iocb; | |
5120 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
5121 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
5122 | ||
2534ba75 | 5123 | list_move_tail(&iocb->list, &completions); |
dea3101e JB |
5124 | } |
5125 | } | |
5126 | ||
5127 | /* Next check the txcmplq */ | |
5128 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
5129 | if (iocb->context1 != ndlp) { | |
5130 | continue; | |
5131 | } | |
5132 | icmd = &iocb->iocb; | |
2e0fef85 JS |
5133 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
5134 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
5135 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
5136 | } | |
5137 | } | |
2e0fef85 | 5138 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 5139 | |
a257bf90 JS |
5140 | /* Cancel all the IOCBs from the completions list */ |
5141 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
5142 | IOERR_SLI_ABORTED); | |
dea3101e JB |
5143 | } |
5144 | ||
a6ababd2 | 5145 | static void |
2e0fef85 | 5146 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e JB |
5147 | { |
5148 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 5149 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 5150 | |
2e0fef85 JS |
5151 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
5152 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 5153 | nlp_listp) { |
e47c9093 JS |
5154 | if (!NLP_CHK_NODE_ACT(ndlp)) |
5155 | continue; | |
685f0bf7 JS |
5156 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
5157 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
5158 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 5159 | } |
dea3101e JB |
5160 | } |
5161 | } | |
dea3101e JB |
5162 | } |
5163 | ||
92d7f7b0 JS |
5164 | void |
5165 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
5166 | { | |
5167 | lpfc_els_flush_rscn(vport); | |
5168 | lpfc_els_flush_cmd(vport); | |
5169 | lpfc_disc_flush_list(vport); | |
5170 | } | |
5171 | ||
dea3101e JB |
5172 | /*****************************************************************************/ |
5173 | /* | |
5174 | * NAME: lpfc_disc_timeout | |
5175 | * | |
5176 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
5177 | * | |
5178 | * EXECUTION ENVIRONMENT: interrupt only | |
5179 | * | |
5180 | * CALLED FROM: | |
5181 | * Timer function | |
5182 | * | |
5183 | * RETURNS: | |
5184 | * none | |
5185 | */ | |
5186 | /*****************************************************************************/ | |
5187 | void | |
5188 | lpfc_disc_timeout(unsigned long ptr) | |
5189 | { | |
2e0fef85 JS |
5190 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
5191 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 5192 | uint32_t tmo_posted; |
dea3101e JB |
5193 | unsigned long flags = 0; |
5194 | ||
5195 | if (unlikely(!phba)) | |
5196 | return; | |
5197 | ||
5e9d9b82 JS |
5198 | spin_lock_irqsave(&vport->work_port_lock, flags); |
5199 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
5200 | if (!tmo_posted) | |
2e0fef85 | 5201 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 5202 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 5203 | |
5e9d9b82 JS |
5204 | if (!tmo_posted) |
5205 | lpfc_worker_wake_up(phba); | |
dea3101e JB |
5206 | return; |
5207 | } | |
5208 | ||
5209 | static void | |
2e0fef85 | 5210 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 5211 | { |
2e0fef85 JS |
5212 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
5213 | struct lpfc_hba *phba = vport->phba; | |
5214 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 5215 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 5216 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e JB |
5217 | int rc, clrlaerr = 0; |
5218 | ||
2e0fef85 | 5219 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e JB |
5220 | return; |
5221 | ||
2e0fef85 JS |
5222 | spin_lock_irq(shost->host_lock); |
5223 | vport->fc_flag &= ~FC_DISC_TMO; | |
5224 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 5225 | |
858c9f6c JS |
5226 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
5227 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
5228 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
5229 | ||
2e0fef85 | 5230 | switch (vport->port_state) { |
dea3101e JB |
5231 | |
5232 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
5233 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
5234 | * FAN | |
5235 | */ | |
5236 | /* FAN timeout */ | |
e8b62011 JS |
5237 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
5238 | "0221 FAN timeout\n"); | |
c9f8735b | 5239 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 5240 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 5241 | nlp_listp) { |
e47c9093 JS |
5242 | if (!NLP_CHK_NODE_ACT(ndlp)) |
5243 | continue; | |
685f0bf7 JS |
5244 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
5245 | continue; | |
c9f8735b JW |
5246 | if (ndlp->nlp_type & NLP_FABRIC) { |
5247 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 5248 | lpfc_drop_node(vport, ndlp); |
87af33fe | 5249 | |
2fe165b6 | 5250 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
5251 | /* Fail outstanding IO now since device |
5252 | * is marked for PLOGI. | |
5253 | */ | |
2e0fef85 | 5254 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
5255 | } |
5256 | } | |
92d7f7b0 | 5257 | if (vport->port_state != LPFC_FLOGI) { |
76a95d75 JS |
5258 | if (phba->sli_rev <= LPFC_SLI_REV3) |
5259 | lpfc_initial_flogi(vport); | |
5260 | else | |
5261 | lpfc_issue_init_vfi(vport); | |
0ff10d46 | 5262 | return; |
92d7f7b0 | 5263 | } |
dea3101e JB |
5264 | break; |
5265 | ||
92d7f7b0 | 5266 | case LPFC_FDISC: |
dea3101e | 5267 | case LPFC_FLOGI: |
2e0fef85 | 5268 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 5269 | /* Initial FLOGI timeout */ |
e8b62011 JS |
5270 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5271 | "0222 Initial %s timeout\n", | |
87af33fe | 5272 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e JB |
5273 | |
5274 | /* Assume no Fabric and go on with discovery. | |
5275 | * Check for outstanding ELS FLOGI to abort. | |
5276 | */ | |
5277 | ||
5278 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 5279 | lpfc_disc_list_loopmap(vport); |
dea3101e JB |
5280 | |
5281 | /* Start discovery */ | |
2e0fef85 | 5282 | lpfc_disc_start(vport); |
dea3101e JB |
5283 | break; |
5284 | ||
5285 | case LPFC_FABRIC_CFG_LINK: | |
5286 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
5287 | NameServer login */ | |
e8b62011 JS |
5288 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5289 | "0223 Timeout while waiting for " | |
5290 | "NameServer login\n"); | |
dea3101e | 5291 | /* Next look for NameServer ndlp */ |
2e0fef85 | 5292 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 5293 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
5294 | lpfc_els_abort(phba, ndlp); |
5295 | ||
5296 | /* ReStart discovery */ | |
5297 | goto restart_disc; | |
dea3101e JB |
5298 | |
5299 | case LPFC_NS_QRY: | |
5300 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
5301 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5302 | "0224 NameServer Query timeout " | |
5303 | "Data: x%x x%x\n", | |
5304 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 5305 | |
92d7f7b0 JS |
5306 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
5307 | /* Try it one more time */ | |
5308 | vport->fc_ns_retry++; | |
5309 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
5310 | vport->fc_ns_retry, 0); | |
5311 | if (rc == 0) | |
5312 | break; | |
dea3101e | 5313 | } |
92d7f7b0 | 5314 | vport->fc_ns_retry = 0; |
dea3101e | 5315 | |
87af33fe | 5316 | restart_disc: |
92d7f7b0 JS |
5317 | /* |
5318 | * Discovery is over. | |
5319 | * set port_state to PORT_READY if SLI2. | |
5320 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
5321 | */ | |
3772a991 JS |
5322 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5323 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
5324 | lpfc_issue_reg_vpi(phba, vport); | |
6d368e53 | 5325 | else { |
3772a991 JS |
5326 | lpfc_issue_clear_la(phba, vport); |
5327 | vport->port_state = LPFC_VPORT_READY; | |
5328 | } | |
dea3101e JB |
5329 | } |
5330 | ||
5331 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
5332 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5333 | if (!initlinkmbox) { | |
e8b62011 JS |
5334 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5335 | "0206 Device Discovery " | |
5336 | "completion error\n"); | |
2e0fef85 | 5337 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
5338 | break; |
5339 | } | |
5340 | ||
5341 | lpfc_linkdown(phba); | |
5342 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
5343 | phba->cfg_link_speed); | |
04c68496 | 5344 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 5345 | initlinkmbox->vport = vport; |
92d7f7b0 | 5346 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 5347 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 5348 | lpfc_set_loopback_flag(phba); |
dea3101e JB |
5349 | if (rc == MBX_NOT_FINISHED) |
5350 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
5351 | ||
5352 | break; | |
5353 | ||
5354 | case LPFC_DISC_AUTH: | |
5355 | /* Node Authentication timeout */ | |
e8b62011 JS |
5356 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5357 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
5358 | lpfc_disc_flush_list(vport); |
5359 | ||
92d7f7b0 JS |
5360 | /* |
5361 | * set port_state to PORT_READY if SLI2. | |
5362 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
5363 | */ | |
3772a991 JS |
5364 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5365 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
5366 | lpfc_issue_reg_vpi(phba, vport); | |
5367 | else { /* NPIV Not enabled */ | |
5368 | lpfc_issue_clear_la(phba, vport); | |
5369 | vport->port_state = LPFC_VPORT_READY; | |
5370 | } | |
dea3101e JB |
5371 | } |
5372 | break; | |
5373 | ||
2e0fef85 JS |
5374 | case LPFC_VPORT_READY: |
5375 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
5376 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5377 | "0231 RSCN timeout Data: x%x " | |
5378 | "x%x\n", | |
5379 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e JB |
5380 | |
5381 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 5382 | lpfc_els_flush_cmd(vport); |
dea3101e | 5383 | |
2e0fef85 JS |
5384 | lpfc_els_flush_rscn(vport); |
5385 | lpfc_disc_flush_list(vport); | |
dea3101e JB |
5386 | } |
5387 | break; | |
2e0fef85 | 5388 | |
92d7f7b0 | 5389 | default: |
e8b62011 | 5390 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 5391 | "0273 Unexpected discovery timeout, " |
e8b62011 | 5392 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
5393 | break; |
5394 | } | |
5395 | ||
5396 | switch (phba->link_state) { | |
5397 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 5398 | /* CLEAR LA timeout */ |
e8b62011 JS |
5399 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5400 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
5401 | clrlaerr = 1; |
5402 | break; | |
5403 | ||
09372820 JS |
5404 | case LPFC_LINK_UP: |
5405 | lpfc_issue_clear_la(phba, vport); | |
5406 | /* Drop thru */ | |
2e0fef85 JS |
5407 | case LPFC_LINK_UNKNOWN: |
5408 | case LPFC_WARM_START: | |
5409 | case LPFC_INIT_START: | |
5410 | case LPFC_INIT_MBX_CMDS: | |
5411 | case LPFC_LINK_DOWN: | |
2e0fef85 | 5412 | case LPFC_HBA_ERROR: |
e8b62011 JS |
5413 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
5414 | "0230 Unexpected timeout, hba link " | |
5415 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
5416 | clrlaerr = 1; |
5417 | break; | |
92d7f7b0 JS |
5418 | |
5419 | case LPFC_HBA_READY: | |
5420 | break; | |
dea3101e JB |
5421 | } |
5422 | ||
5423 | if (clrlaerr) { | |
2e0fef85 | 5424 | lpfc_disc_flush_list(vport); |
a4bc3379 | 5425 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e JB |
5426 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
5427 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 5428 | vport->port_state = LPFC_VPORT_READY; |
dea3101e JB |
5429 | } |
5430 | ||
5431 | return; | |
5432 | } | |
5433 | ||
dea3101e JB |
5434 | /* |
5435 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
5436 | * command upon completion. It is setup in the LPFC_MBOXQ | |
5437 | * as the completion routine when the command is | |
5438 | * handed off to the SLI layer. | |
5439 | */ | |
5440 | void | |
2e0fef85 | 5441 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 5442 | { |
04c68496 | 5443 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
5444 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
5445 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
5446 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e JB |
5447 | |
5448 | pmb->context1 = NULL; | |
d439d286 | 5449 | pmb->context2 = NULL; |
dea3101e | 5450 | |
6d368e53 JS |
5451 | if (phba->sli_rev < LPFC_SLI_REV4) |
5452 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 5453 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 5454 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 5455 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 5456 | |
2e0fef85 JS |
5457 | /* |
5458 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
5459 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
5460 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 5461 | */ |
2e0fef85 | 5462 | |
3de2a653 | 5463 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
5464 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
5465 | else | |
256ec0d0 JS |
5466 | mod_timer(&vport->fc_fdmitmo, |
5467 | jiffies + msecs_to_jiffies(1000 * 60)); | |
dea3101e | 5468 | |
fa4066b6 JS |
5469 | /* decrement the node reference count held for this callback |
5470 | * function. | |
5471 | */ | |
329f9bc7 | 5472 | lpfc_nlp_put(ndlp); |
dea3101e JB |
5473 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5474 | kfree(mp); | |
329f9bc7 | 5475 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
5476 | |
5477 | return; | |
5478 | } | |
5479 | ||
685f0bf7 JS |
5480 | static int |
5481 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
5482 | { | |
5483 | uint16_t *rpi = param; | |
5484 | ||
eff4a01b JS |
5485 | /* check for active node */ |
5486 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
5487 | return 0; | |
5488 | ||
685f0bf7 JS |
5489 | return ndlp->nlp_rpi == *rpi; |
5490 | } | |
5491 | ||
5492 | static int | |
5493 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
5494 | { | |
5495 | return memcmp(&ndlp->nlp_portname, param, | |
5496 | sizeof(ndlp->nlp_portname)) == 0; | |
5497 | } | |
5498 | ||
a6ababd2 | 5499 | static struct lpfc_nodelist * |
2e0fef85 | 5500 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 5501 | { |
21568f53 | 5502 | struct lpfc_nodelist *ndlp; |
dea3101e | 5503 | |
2e0fef85 | 5504 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
34f5ad8b JS |
5505 | if (filter(ndlp, param)) { |
5506 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, | |
5507 | "3185 FIND node filter %p DID " | |
5508 | "Data: x%p x%x x%x\n", | |
5509 | filter, ndlp, ndlp->nlp_DID, | |
5510 | ndlp->nlp_flag); | |
685f0bf7 | 5511 | return ndlp; |
34f5ad8b | 5512 | } |
685f0bf7 | 5513 | } |
34f5ad8b JS |
5514 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
5515 | "3186 FIND node filter %p NOT FOUND.\n", filter); | |
21568f53 | 5516 | return NULL; |
dea3101e JB |
5517 | } |
5518 | ||
685f0bf7 JS |
5519 | /* |
5520 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 5521 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
5522 | */ |
5523 | struct lpfc_nodelist * | |
2e0fef85 | 5524 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 5525 | { |
2e0fef85 | 5526 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
5527 | } |
5528 | ||
488d1469 | 5529 | /* |
685f0bf7 | 5530 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 5531 | * returns the node element list pointer else return NULL. |
488d1469 JS |
5532 | */ |
5533 | struct lpfc_nodelist * | |
2e0fef85 | 5534 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 5535 | { |
2e0fef85 | 5536 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 5537 | struct lpfc_nodelist *ndlp; |
488d1469 | 5538 | |
2e0fef85 JS |
5539 | spin_lock_irq(shost->host_lock); |
5540 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
5541 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 5542 | return ndlp; |
488d1469 JS |
5543 | } |
5544 | ||
cb69f7de JS |
5545 | /* |
5546 | * This routine looks up the ndlp lists for the given RPI. If the rpi | |
5547 | * is found, the routine returns the node element list pointer else | |
5548 | * return NULL. | |
5549 | */ | |
5550 | struct lpfc_nodelist * | |
5551 | lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) | |
5552 | { | |
5553 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
5554 | struct lpfc_nodelist *ndlp; | |
5555 | ||
5556 | spin_lock_irq(shost->host_lock); | |
5557 | ndlp = __lpfc_findnode_rpi(vport, rpi); | |
5558 | spin_unlock_irq(shost->host_lock); | |
5559 | return ndlp; | |
5560 | } | |
5561 | ||
5562 | /** | |
5563 | * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier | |
5564 | * @phba: pointer to lpfc hba data structure. | |
5565 | * @vpi: the physical host virtual N_Port identifier. | |
5566 | * | |
5567 | * This routine finds a vport on a HBA (referred by @phba) through a | |
5568 | * @vpi. The function walks the HBA's vport list and returns the address | |
5569 | * of the vport with the matching @vpi. | |
5570 | * | |
5571 | * Return code | |
5572 | * NULL - No vport with the matching @vpi found | |
5573 | * Otherwise - Address to the vport with the matching @vpi. | |
5574 | **/ | |
5575 | struct lpfc_vport * | |
5576 | lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) | |
5577 | { | |
5578 | struct lpfc_vport *vport; | |
5579 | unsigned long flags; | |
5580 | int i = 0; | |
5581 | ||
5582 | /* The physical ports are always vpi 0 - translate is unnecessary. */ | |
5583 | if (vpi > 0) { | |
5584 | /* | |
5585 | * Translate the physical vpi to the logical vpi. The | |
5586 | * vport stores the logical vpi. | |
5587 | */ | |
5588 | for (i = 0; i < phba->max_vpi; i++) { | |
5589 | if (vpi == phba->vpi_ids[i]) | |
5590 | break; | |
5591 | } | |
5592 | ||
5593 | if (i >= phba->max_vpi) { | |
5594 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
5595 | "2936 Could not find Vport mapped " | |
5596 | "to vpi %d\n", vpi); | |
5597 | return NULL; | |
5598 | } | |
5599 | } | |
5600 | ||
5601 | spin_lock_irqsave(&phba->hbalock, flags); | |
5602 | list_for_each_entry(vport, &phba->port_list, listentry) { | |
5603 | if (vport->vpi == i) { | |
5604 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
5605 | return vport; | |
5606 | } | |
5607 | } | |
5608 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
5609 | return NULL; | |
5610 | } | |
5611 | ||
dea3101e | 5612 | void |
2e0fef85 JS |
5613 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
5614 | uint32_t did) | |
dea3101e JB |
5615 | { |
5616 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
5617 | |
5618 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 5619 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
5620 | |
5621 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
5622 | "node init: did:x%x", | |
5623 | ndlp->nlp_DID, 0, 0); | |
5624 | ||
dea3101e JB |
5625 | return; |
5626 | } | |
329f9bc7 | 5627 | |
98c9ea5c JS |
5628 | /* This routine releases all resources associated with a specifc NPort's ndlp |
5629 | * and mempool_free's the nodelist. | |
5630 | */ | |
311464ec | 5631 | static void |
329f9bc7 JS |
5632 | lpfc_nlp_release(struct kref *kref) |
5633 | { | |
e47c9093 JS |
5634 | struct lpfc_hba *phba; |
5635 | unsigned long flags; | |
329f9bc7 JS |
5636 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
5637 | kref); | |
858c9f6c JS |
5638 | |
5639 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5640 | "node release: did:x%x flg:x%x type:x%x", | |
5641 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
5642 | ||
e47c9093 | 5643 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
939723a4 | 5644 | "0279 lpfc_nlp_release: ndlp:x%p did %x " |
e47c9093 | 5645 | "usgmap:x%x refcnt:%d\n", |
939723a4 | 5646 | (void *)ndlp, ndlp->nlp_DID, ndlp->nlp_usg_map, |
e47c9093 JS |
5647 | atomic_read(&ndlp->kref.refcount)); |
5648 | ||
5649 | /* remove ndlp from action. */ | |
2e0fef85 | 5650 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
5651 | |
5652 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 5653 | phba = ndlp->phba; |
e47c9093 JS |
5654 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5655 | NLP_CLR_NODE_ACT(ndlp); | |
5656 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4042629e JS |
5657 | if (phba->sli_rev == LPFC_SLI_REV4) |
5658 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); | |
e47c9093 JS |
5659 | |
5660 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
5661 | if (NLP_CHK_FREE_REQ(ndlp)) { |
5662 | kfree(ndlp->lat_data); | |
a257bf90 | 5663 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 5664 | } |
329f9bc7 JS |
5665 | } |
5666 | ||
98c9ea5c JS |
5667 | /* This routine bumps the reference count for a ndlp structure to ensure |
5668 | * that one discovery thread won't free a ndlp while another discovery thread | |
5669 | * is using it. | |
5670 | */ | |
329f9bc7 JS |
5671 | struct lpfc_nodelist * |
5672 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
5673 | { | |
e47c9093 JS |
5674 | struct lpfc_hba *phba; |
5675 | unsigned long flags; | |
5676 | ||
98c9ea5c JS |
5677 | if (ndlp) { |
5678 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5679 | "node get: did:x%x flg:x%x refcnt:x%x", | |
5680 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5681 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5682 | /* The check of ndlp usage to prevent incrementing the |
5683 | * ndlp reference count that is in the process of being | |
5684 | * released. | |
5685 | */ | |
a257bf90 | 5686 | phba = ndlp->phba; |
e47c9093 JS |
5687 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5688 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
5689 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5690 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5691 | "0276 lpfc_nlp_get: ndlp:x%p " | |
5692 | "usgmap:x%x refcnt:%d\n", | |
5693 | (void *)ndlp, ndlp->nlp_usg_map, | |
5694 | atomic_read(&ndlp->kref.refcount)); | |
5695 | return NULL; | |
5696 | } else | |
5697 | kref_get(&ndlp->kref); | |
5698 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 5699 | } |
329f9bc7 JS |
5700 | return ndlp; |
5701 | } | |
5702 | ||
98c9ea5c | 5703 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
5704 | * count goes to 0, this indicates the the associated nodelist should be |
5705 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
5706 | * other hand, returning 0 indicates the ndlp resource has not been released | |
5707 | * yet. | |
98c9ea5c | 5708 | */ |
329f9bc7 JS |
5709 | int |
5710 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
5711 | { | |
e47c9093 JS |
5712 | struct lpfc_hba *phba; |
5713 | unsigned long flags; | |
5714 | ||
5715 | if (!ndlp) | |
5716 | return 1; | |
5717 | ||
5718 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5719 | "node put: did:x%x flg:x%x refcnt:x%x", | |
5720 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5721 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 5722 | phba = ndlp->phba; |
e47c9093 JS |
5723 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
5724 | /* Check the ndlp memory free acknowledge flag to avoid the | |
5725 | * possible race condition that kref_put got invoked again | |
5726 | * after previous one has done ndlp memory free. | |
5727 | */ | |
5728 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
5729 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5730 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5731 | "0274 lpfc_nlp_put: ndlp:x%p " | |
5732 | "usgmap:x%x refcnt:%d\n", | |
5733 | (void *)ndlp, ndlp->nlp_usg_map, | |
5734 | atomic_read(&ndlp->kref.refcount)); | |
5735 | return 1; | |
5736 | } | |
5737 | /* Check the ndlp inactivate log flag to avoid the possible | |
5738 | * race condition that kref_put got invoked again after ndlp | |
5739 | * is already in inactivating state. | |
5740 | */ | |
5741 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
5742 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5743 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
5744 | "0275 lpfc_nlp_put: ndlp:x%p " | |
5745 | "usgmap:x%x refcnt:%d\n", | |
5746 | (void *)ndlp, ndlp->nlp_usg_map, | |
5747 | atomic_read(&ndlp->kref.refcount)); | |
5748 | return 1; | |
98c9ea5c | 5749 | } |
e47c9093 JS |
5750 | /* For last put, mark the ndlp usage flags to make sure no |
5751 | * other kref_get and kref_put on the same ndlp shall get | |
5752 | * in between the process when the final kref_put has been | |
5753 | * invoked on this ndlp. | |
5754 | */ | |
5755 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
5756 | /* Indicate ndlp is put to inactive state. */ | |
5757 | NLP_SET_IACT_REQ(ndlp); | |
5758 | /* Acknowledge ndlp memory free has been seen. */ | |
5759 | if (NLP_CHK_FREE_REQ(ndlp)) | |
5760 | NLP_SET_FREE_ACK(ndlp); | |
5761 | } | |
5762 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5763 | /* Note, the kref_put returns 1 when decrementing a reference | |
5764 | * count that was 1, it invokes the release callback function, | |
5765 | * but it still left the reference count as 1 (not actually | |
5766 | * performs the last decrementation). Otherwise, it actually | |
5767 | * decrements the reference count and returns 0. | |
5768 | */ | |
5769 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 5770 | } |
98c9ea5c JS |
5771 | |
5772 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
5773 | * by any other discovery thread. This routine returns 1 if the |
5774 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
5775 | * not yet been released. | |
98c9ea5c JS |
5776 | */ |
5777 | int | |
5778 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
5779 | { | |
5780 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5781 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
5782 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5783 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5784 | if (atomic_read(&ndlp->kref.refcount) == 1) |
5785 | if (lpfc_nlp_put(ndlp)) | |
5786 | return 1; | |
98c9ea5c JS |
5787 | return 0; |
5788 | } | |
6fb120a7 JS |
5789 | |
5790 | /** | |
5791 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
5792 | * @phba: Pointer to hba context object. | |
5793 | * | |
5794 | * This function iterate through all FC nodes associated | |
5795 | * will all vports to check if there is any node with | |
5796 | * fc_rports associated with it. If there is an fc_rport | |
5797 | * associated with the node, then the node is either in | |
5798 | * discovered state or its devloss_timer is pending. | |
5799 | */ | |
5800 | static int | |
5801 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
5802 | { | |
5803 | struct lpfc_vport **vports; | |
5804 | int i, ret = 0; | |
5805 | struct lpfc_nodelist *ndlp; | |
5806 | struct Scsi_Host *shost; | |
5807 | ||
5808 | vports = lpfc_create_vport_work_array(phba); | |
5809 | ||
63e801ce JS |
5810 | /* If driver cannot allocate memory, indicate fcf is in use */ |
5811 | if (!vports) | |
5812 | return 1; | |
5813 | ||
6fb120a7 JS |
5814 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
5815 | shost = lpfc_shost_from_vport(vports[i]); | |
5816 | spin_lock_irq(shost->host_lock); | |
0558056c JS |
5817 | /* |
5818 | * IF the CVL_RCVD bit is not set then we have sent the | |
5819 | * flogi. | |
5820 | * If dev_loss fires while we are waiting we do not want to | |
5821 | * unreg the fcf. | |
5822 | */ | |
5823 | if (!(vports[i]->fc_flag & FC_VPORT_CVL_RCVD)) { | |
5824 | spin_unlock_irq(shost->host_lock); | |
5825 | ret = 1; | |
5826 | goto out; | |
5827 | } | |
6fb120a7 JS |
5828 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { |
5829 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
5830 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
5831 | ret = 1; | |
5832 | spin_unlock_irq(shost->host_lock); | |
5833 | goto out; | |
80c17849 JS |
5834 | } else if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { |
5835 | ret = 1; | |
891478a2 | 5836 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
80c17849 JS |
5837 | "2624 RPI %x DID %x flag %x " |
5838 | "still logged in\n", | |
5839 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
5840 | ndlp->nlp_flag); | |
6fb120a7 JS |
5841 | } |
5842 | } | |
5843 | spin_unlock_irq(shost->host_lock); | |
5844 | } | |
5845 | out: | |
5846 | lpfc_destroy_vport_work_array(phba, vports); | |
5847 | return ret; | |
5848 | } | |
5849 | ||
5850 | /** | |
5851 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
5852 | * @phba: Pointer to hba context object. | |
5853 | * @mboxq: Pointer to mailbox object. | |
5854 | * | |
5855 | * This function frees memory associated with the mailbox command. | |
5856 | */ | |
1b51197d | 5857 | void |
6fb120a7 JS |
5858 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
5859 | { | |
5860 | struct lpfc_vport *vport = mboxq->vport; | |
38b92ef8 | 5861 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
5862 | |
5863 | if (mboxq->u.mb.mbxStatus) { | |
5864 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5865 | "2555 UNREG_VFI mbxStatus error x%x " | |
5866 | "HBA state x%x\n", | |
5867 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5868 | } | |
38b92ef8 JS |
5869 | spin_lock_irq(shost->host_lock); |
5870 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; | |
5871 | spin_unlock_irq(shost->host_lock); | |
6fb120a7 JS |
5872 | mempool_free(mboxq, phba->mbox_mem_pool); |
5873 | return; | |
5874 | } | |
5875 | ||
5876 | /** | |
5877 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
5878 | * @phba: Pointer to hba context object. | |
5879 | * @mboxq: Pointer to mailbox object. | |
5880 | * | |
5881 | * This function frees memory associated with the mailbox command. | |
5882 | */ | |
5883 | static void | |
5884 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
5885 | { | |
5886 | struct lpfc_vport *vport = mboxq->vport; | |
5887 | ||
5888 | if (mboxq->u.mb.mbxStatus) { | |
5889 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5890 | "2550 UNREG_FCFI mbxStatus error x%x " | |
5891 | "HBA state x%x\n", | |
5892 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5893 | } | |
5894 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5895 | return; | |
5896 | } | |
5897 | ||
5898 | /** | |
ecfd03c6 | 5899 | * lpfc_unregister_fcf_prep - Unregister fcf record preparation |
6fb120a7 JS |
5900 | * @phba: Pointer to hba context object. |
5901 | * | |
ecfd03c6 JS |
5902 | * This function prepare the HBA for unregistering the currently registered |
5903 | * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and | |
5904 | * VFIs. | |
6fb120a7 | 5905 | */ |
ecfd03c6 JS |
5906 | int |
5907 | lpfc_unregister_fcf_prep(struct lpfc_hba *phba) | |
6fb120a7 | 5908 | { |
6fb120a7 | 5909 | struct lpfc_vport **vports; |
695a814e | 5910 | struct lpfc_nodelist *ndlp; |
72100cc4 | 5911 | struct Scsi_Host *shost; |
e74c03c8 | 5912 | int i = 0, rc; |
6fb120a7 | 5913 | |
ecfd03c6 | 5914 | /* Unregister RPIs */ |
6fb120a7 | 5915 | if (lpfc_fcf_inuse(phba)) |
ecfd03c6 | 5916 | lpfc_unreg_hba_rpis(phba); |
6fb120a7 | 5917 | |
4d9ab994 JS |
5918 | /* At this point, all discovery is aborted */ |
5919 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
5920 | |
5921 | /* Unregister VPIs */ | |
5922 | vports = lpfc_create_vport_work_array(phba); | |
ecfd03c6 | 5923 | if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) |
6fb120a7 | 5924 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
695a814e JS |
5925 | /* Stop FLOGI/FDISC retries */ |
5926 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
5927 | if (ndlp) | |
5928 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
78730cfe | 5929 | lpfc_cleanup_pending_mbox(vports[i]); |
5af5eee7 JS |
5930 | if (phba->sli_rev == LPFC_SLI_REV4) |
5931 | lpfc_sli4_unreg_all_rpis(vports[i]); | |
6fb120a7 | 5932 | lpfc_mbx_unreg_vpi(vports[i]); |
72100cc4 JS |
5933 | shost = lpfc_shost_from_vport(vports[i]); |
5934 | spin_lock_irq(shost->host_lock); | |
891478a2 | 5935 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 5936 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
72100cc4 | 5937 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
5938 | } |
5939 | lpfc_destroy_vport_work_array(phba, vports); | |
e74c03c8 JS |
5940 | if (i == 0 && (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))) { |
5941 | ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); | |
5942 | if (ndlp) | |
5943 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); | |
5944 | lpfc_cleanup_pending_mbox(phba->pport); | |
5945 | if (phba->sli_rev == LPFC_SLI_REV4) | |
5946 | lpfc_sli4_unreg_all_rpis(phba->pport); | |
5947 | lpfc_mbx_unreg_vpi(phba->pport); | |
5948 | shost = lpfc_shost_from_vport(phba->pport); | |
5949 | spin_lock_irq(shost->host_lock); | |
5950 | phba->pport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; | |
5951 | phba->pport->vpi_state &= ~LPFC_VPI_REGISTERED; | |
5952 | spin_unlock_irq(shost->host_lock); | |
5953 | } | |
6fb120a7 | 5954 | |
695a814e JS |
5955 | /* Cleanup any outstanding ELS commands */ |
5956 | lpfc_els_flush_all_cmd(phba); | |
5957 | ||
1b51197d JS |
5958 | /* Unregister the physical port VFI */ |
5959 | rc = lpfc_issue_unreg_vfi(phba->pport); | |
5960 | return rc; | |
ecfd03c6 JS |
5961 | } |
5962 | ||
5963 | /** | |
5964 | * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record | |
5965 | * @phba: Pointer to hba context object. | |
5966 | * | |
5967 | * This function issues synchronous unregister FCF mailbox command to HBA to | |
5968 | * unregister the currently registered FCF record. The driver does not reset | |
5969 | * the driver FCF usage state flags. | |
5970 | * | |
5971 | * Return 0 if successfully issued, none-zero otherwise. | |
5972 | */ | |
5973 | int | |
5974 | lpfc_sli4_unregister_fcf(struct lpfc_hba *phba) | |
5975 | { | |
5976 | LPFC_MBOXQ_t *mbox; | |
5977 | int rc; | |
5978 | ||
6fb120a7 JS |
5979 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5980 | if (!mbox) { | |
5981 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5982 | "2551 UNREG_FCFI mbox allocation failed" |
5983 | "HBA state x%x\n", phba->pport->port_state); | |
5984 | return -ENOMEM; | |
6fb120a7 | 5985 | } |
6fb120a7 JS |
5986 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); |
5987 | mbox->vport = phba->pport; | |
5988 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
5989 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5990 | ||
5991 | if (rc == MBX_NOT_FINISHED) { | |
ecfd03c6 JS |
5992 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5993 | "2552 Unregister FCFI command failed rc x%x " | |
5994 | "HBA state x%x\n", | |
5995 | rc, phba->pport->port_state); | |
5996 | return -EINVAL; | |
5997 | } | |
5998 | return 0; | |
5999 | } | |
6000 | ||
6001 | /** | |
6002 | * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan | |
6003 | * @phba: Pointer to hba context object. | |
6004 | * | |
6005 | * This function unregisters the currently reigstered FCF. This function | |
6006 | * also tries to find another FCF for discovery by rescan the HBA FCF table. | |
6007 | */ | |
6008 | void | |
6009 | lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) | |
6010 | { | |
6011 | int rc; | |
6012 | ||
6013 | /* Preparation for unregistering fcf */ | |
6014 | rc = lpfc_unregister_fcf_prep(phba); | |
6015 | if (rc) { | |
6016 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
6017 | "2748 Failed to prepare for unregistering " | |
6018 | "HBA's FCF record: rc=%d\n", rc); | |
6fb120a7 JS |
6019 | return; |
6020 | } | |
6021 | ||
ecfd03c6 JS |
6022 | /* Now, unregister FCF record and reset HBA FCF state */ |
6023 | rc = lpfc_sli4_unregister_fcf(phba); | |
6024 | if (rc) | |
6025 | return; | |
6026 | /* Reset HBA FCF states after successful unregister FCF */ | |
6027 | phba->fcf.fcf_flag = 0; | |
fc2b989b | 6028 | phba->fcf.current_rec.flag = 0; |
6fb120a7 JS |
6029 | |
6030 | /* | |
6031 | * If driver is not unloading, check if there is any other | |
6032 | * FCF record that can be used for discovery. | |
6033 | */ | |
6034 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
ecfd03c6 | 6035 | (phba->link_state < LPFC_LINK_UP)) |
6fb120a7 JS |
6036 | return; |
6037 | ||
0c9ab6f5 JS |
6038 | /* This is considered as the initial FCF discovery scan */ |
6039 | spin_lock_irq(&phba->hbalock); | |
6040 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
6041 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 JS |
6042 | |
6043 | /* Reset FCF roundrobin bmask for new discovery */ | |
7d791df7 | 6044 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
38b92ef8 | 6045 | |
0c9ab6f5 | 6046 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
6fb120a7 | 6047 | |
0c9ab6f5 JS |
6048 | if (rc) { |
6049 | spin_lock_irq(&phba->hbalock); | |
6050 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
6051 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 6052 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, |
ecfd03c6 JS |
6053 | "2553 lpfc_unregister_unused_fcf failed " |
6054 | "to read FCF record HBA state x%x\n", | |
6055 | phba->pport->port_state); | |
0c9ab6f5 | 6056 | } |
ecfd03c6 JS |
6057 | } |
6058 | ||
6059 | /** | |
6060 | * lpfc_unregister_fcf - Unregister the currently registered fcf record | |
6061 | * @phba: Pointer to hba context object. | |
6062 | * | |
6063 | * This function just unregisters the currently reigstered FCF. It does not | |
6064 | * try to find another FCF for discovery. | |
6065 | */ | |
6066 | void | |
6067 | lpfc_unregister_fcf(struct lpfc_hba *phba) | |
6068 | { | |
6069 | int rc; | |
6070 | ||
6071 | /* Preparation for unregistering fcf */ | |
6072 | rc = lpfc_unregister_fcf_prep(phba); | |
6073 | if (rc) { | |
6074 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
6075 | "2749 Failed to prepare for unregistering " | |
6076 | "HBA's FCF record: rc=%d\n", rc); | |
6077 | return; | |
6078 | } | |
6079 | ||
6080 | /* Now, unregister FCF record and reset HBA FCF state */ | |
6081 | rc = lpfc_sli4_unregister_fcf(phba); | |
6082 | if (rc) | |
6083 | return; | |
6084 | /* Set proper HBA FCF states after successful unregister FCF */ | |
6085 | spin_lock_irq(&phba->hbalock); | |
6086 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
6087 | spin_unlock_irq(&phba->hbalock); | |
6088 | } | |
6089 | ||
6090 | /** | |
6091 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
6092 | * @phba: Pointer to hba context object. | |
6093 | * | |
6094 | * This function check if there are any connected remote port for the FCF and | |
6095 | * if all the devices are disconnected, this function unregister FCFI. | |
6096 | * This function also tries to use another FCF for discovery. | |
6097 | */ | |
6098 | void | |
6099 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
6100 | { | |
6101 | /* | |
3804dc84 JS |
6102 | * If HBA is not running in FIP mode, if HBA does not support |
6103 | * FCoE, if FCF discovery is ongoing, or if FCF has not been | |
6104 | * registered, do nothing. | |
ecfd03c6 JS |
6105 | */ |
6106 | spin_lock_irq(&phba->hbalock); | |
76a95d75 | 6107 | if (!(phba->hba_flag & HBA_FCOE_MODE) || |
ecfd03c6 | 6108 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || |
dbb6b3ab | 6109 | !(phba->hba_flag & HBA_FIP_SUPPORT) || |
3804dc84 | 6110 | (phba->fcf.fcf_flag & FCF_DISCOVERY) || |
dbb6b3ab | 6111 | (phba->pport->port_state == LPFC_FLOGI)) { |
ecfd03c6 JS |
6112 | spin_unlock_irq(&phba->hbalock); |
6113 | return; | |
6114 | } | |
6115 | spin_unlock_irq(&phba->hbalock); | |
6116 | ||
6117 | if (lpfc_fcf_inuse(phba)) | |
6118 | return; | |
6119 | ||
6120 | lpfc_unregister_fcf_rescan(phba); | |
6fb120a7 JS |
6121 | } |
6122 | ||
6123 | /** | |
6124 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
6125 | * @phba: Pointer to hba context object. | |
6126 | * @buff: Buffer containing the FCF connection table as in the config | |
6127 | * region. | |
6128 | * This function create driver data structure for the FCF connection | |
6129 | * record table read from config region 23. | |
6130 | */ | |
6131 | static void | |
6132 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
6133 | uint8_t *buff) | |
6134 | { | |
6135 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
6136 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
6137 | struct lpfc_fcf_conn_rec *conn_rec; | |
6138 | uint32_t record_count; | |
6139 | int i; | |
6140 | ||
6141 | /* Free the current connect table */ | |
6142 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
6143 | &phba->fcf_conn_rec_list, list) { |
6144 | list_del_init(&conn_entry->list); | |
6fb120a7 | 6145 | kfree(conn_entry); |
4d9ab994 | 6146 | } |
6fb120a7 JS |
6147 | |
6148 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
6149 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
6150 | sizeof(struct lpfc_fcf_conn_rec); | |
6151 | ||
6152 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
6153 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
6154 | ||
6155 | for (i = 0; i < record_count; i++) { | |
6156 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
6157 | continue; | |
6158 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
6159 | GFP_KERNEL); | |
6160 | if (!conn_entry) { | |
6161 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6162 | "2566 Failed to allocate connection" | |
6163 | " table entry\n"); | |
6164 | return; | |
6165 | } | |
6166 | ||
6167 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
6168 | sizeof(struct lpfc_fcf_conn_rec)); | |
6169 | conn_entry->conn_rec.vlan_tag = | |
df0d085f | 6170 | conn_entry->conn_rec.vlan_tag; |
6fb120a7 | 6171 | conn_entry->conn_rec.flags = |
df0d085f | 6172 | conn_entry->conn_rec.flags; |
6fb120a7 JS |
6173 | list_add_tail(&conn_entry->list, |
6174 | &phba->fcf_conn_rec_list); | |
6175 | } | |
df0d085f JS |
6176 | |
6177 | if (!list_empty(&phba->fcf_conn_rec_list)) { | |
6178 | i = 0; | |
6179 | list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list, | |
6180 | list) { | |
6181 | conn_rec = &conn_entry->conn_rec; | |
6182 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6183 | "3345 FCF connection list rec[%02d]: " | |
6184 | "flags:x%04x, vtag:x%04x, " | |
6185 | "fabric_name:x%02x:%02x:%02x:%02x:" | |
6186 | "%02x:%02x:%02x:%02x, " | |
6187 | "switch_name:x%02x:%02x:%02x:%02x:" | |
6188 | "%02x:%02x:%02x:%02x\n", i++, | |
6189 | conn_rec->flags, conn_rec->vlan_tag, | |
6190 | conn_rec->fabric_name[0], | |
6191 | conn_rec->fabric_name[1], | |
6192 | conn_rec->fabric_name[2], | |
6193 | conn_rec->fabric_name[3], | |
6194 | conn_rec->fabric_name[4], | |
6195 | conn_rec->fabric_name[5], | |
6196 | conn_rec->fabric_name[6], | |
6197 | conn_rec->fabric_name[7], | |
6198 | conn_rec->switch_name[0], | |
6199 | conn_rec->switch_name[1], | |
6200 | conn_rec->switch_name[2], | |
6201 | conn_rec->switch_name[3], | |
6202 | conn_rec->switch_name[4], | |
6203 | conn_rec->switch_name[5], | |
6204 | conn_rec->switch_name[6], | |
6205 | conn_rec->switch_name[7]); | |
6206 | } | |
6207 | } | |
6fb120a7 JS |
6208 | } |
6209 | ||
6210 | /** | |
6211 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
6212 | * @phba: Pointer to hba context object. | |
6213 | * @buff: Buffer containing the FCoE parameter data structure. | |
6214 | * | |
6215 | * This function update driver data structure with config | |
6216 | * parameters read from config region 23. | |
6217 | */ | |
6218 | static void | |
6219 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
6220 | uint8_t *buff) | |
6221 | { | |
6222 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
6223 | struct lpfc_fcoe_params *fcoe_param; | |
6224 | ||
6225 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
6226 | buff; | |
6227 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 6228 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
6229 | |
6230 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
6231 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
6232 | return; | |
6233 | ||
6fb120a7 JS |
6234 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
6235 | phba->valid_vlan = 1; | |
6236 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
6237 | 0xFFF; | |
6238 | } | |
6239 | ||
6240 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
6241 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
6242 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
6243 | return; | |
6244 | } | |
6245 | ||
6246 | /** | |
6247 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
6248 | * @buff: Buffer containing config region 23 data. | |
6249 | * @size: Size of the data buffer. | |
6250 | * @rec_type: Record type to be searched. | |
6251 | * | |
25985edc | 6252 | * This function searches config region data to find the beginning |
6fb120a7 JS |
6253 | * of the record specified by record_type. If record found, this |
6254 | * function return pointer to the record else return NULL. | |
6255 | */ | |
6256 | static uint8_t * | |
6257 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
6258 | { | |
6259 | uint32_t offset = 0, rec_length; | |
6260 | ||
6261 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
6262 | (size < sizeof(uint32_t))) | |
6263 | return NULL; | |
6264 | ||
6265 | rec_length = buff[offset + 1]; | |
6266 | ||
6267 | /* | |
6268 | * One TLV record has one word header and number of data words | |
6269 | * specified in the rec_length field of the record header. | |
6270 | */ | |
6271 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
6272 | <= size) { | |
6273 | if (buff[offset] == rec_type) | |
6274 | return &buff[offset]; | |
6275 | ||
6276 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
6277 | return NULL; | |
6278 | ||
6279 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
6280 | rec_length = buff[offset + 1]; | |
6281 | } | |
6282 | return NULL; | |
6283 | } | |
6284 | ||
6285 | /** | |
6286 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
6287 | * @phba: Pointer to lpfc_hba data structure. | |
6288 | * @buff: Buffer containing config region 23 data. | |
6289 | * @size: Size of the data buffer. | |
6290 | * | |
eef35c2d | 6291 | * This function parses the FCoE config parameters in config region 23 and |
6fb120a7 JS |
6292 | * populate driver data structure with the parameters. |
6293 | */ | |
6294 | void | |
6295 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
6296 | uint8_t *buff, | |
6297 | uint32_t size) | |
6298 | { | |
6299 | uint32_t offset = 0, rec_length; | |
6300 | uint8_t *rec_ptr; | |
6301 | ||
6302 | /* | |
6303 | * If data size is less than 2 words signature and version cannot be | |
6304 | * verified. | |
6305 | */ | |
6306 | if (size < 2*sizeof(uint32_t)) | |
6307 | return; | |
6308 | ||
6309 | /* Check the region signature first */ | |
6310 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
6311 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6312 | "2567 Config region 23 has bad signature\n"); | |
6313 | return; | |
6314 | } | |
6315 | ||
6316 | offset += 4; | |
6317 | ||
6318 | /* Check the data structure version */ | |
6319 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
6320 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6321 | "2568 Config region 23 has bad version\n"); | |
6322 | return; | |
6323 | } | |
6324 | offset += 4; | |
6325 | ||
6326 | rec_length = buff[offset + 1]; | |
6327 | ||
6328 | /* Read FCoE param record */ | |
6329 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
6330 | size - offset, FCOE_PARAM_TYPE); | |
6331 | if (rec_ptr) | |
6332 | lpfc_read_fcoe_param(phba, rec_ptr); | |
6333 | ||
6334 | /* Read FCF connection table */ | |
6335 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
6336 | size - offset, FCOE_CONN_TBL_TYPE); | |
6337 | if (rec_ptr) | |
6338 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
6339 | ||
6340 | } |