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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. * |
792581de | 4 | * Copyright (C) 2004-2011 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e 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 JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/delay.h> | |
24 | #include <linux/dma-mapping.h> | |
25 | #include <linux/idr.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/kthread.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/spinlock.h> | |
92d7f7b0 | 30 | #include <linux/ctype.h> |
0d878419 | 31 | #include <linux/aer.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
dea3101e | 33 | |
91886523 | 34 | #include <scsi/scsi.h> |
dea3101e JB |
35 | #include <scsi/scsi_device.h> |
36 | #include <scsi/scsi_host.h> | |
37 | #include <scsi/scsi_transport_fc.h> | |
38 | ||
da0436e9 | 39 | #include "lpfc_hw4.h" |
dea3101e JB |
40 | #include "lpfc_hw.h" |
41 | #include "lpfc_sli.h" | |
da0436e9 | 42 | #include "lpfc_sli4.h" |
ea2151b4 | 43 | #include "lpfc_nl.h" |
dea3101e JB |
44 | #include "lpfc_disc.h" |
45 | #include "lpfc_scsi.h" | |
46 | #include "lpfc.h" | |
47 | #include "lpfc_logmsg.h" | |
48 | #include "lpfc_crtn.h" | |
92d7f7b0 | 49 | #include "lpfc_vport.h" |
dea3101e JB |
50 | #include "lpfc_version.h" |
51 | ||
81301a9b JS |
52 | char *_dump_buf_data; |
53 | unsigned long _dump_buf_data_order; | |
54 | char *_dump_buf_dif; | |
55 | unsigned long _dump_buf_dif_order; | |
56 | spinlock_t _dump_buf_lock; | |
57 | ||
dea3101e JB |
58 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
59 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
da0436e9 JS |
60 | static int lpfc_sli4_queue_create(struct lpfc_hba *); |
61 | static void lpfc_sli4_queue_destroy(struct lpfc_hba *); | |
62 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); | |
63 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
64 | static int lpfc_sli4_read_config(struct lpfc_hba *); | |
65 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); | |
66 | static void lpfc_free_sgl_list(struct lpfc_hba *); | |
67 | static int lpfc_init_sgl_list(struct lpfc_hba *); | |
68 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); | |
69 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
70 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
71 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
72 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
73 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
74 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
dea3101e JB |
75 | |
76 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 77 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e JB |
78 | static DEFINE_IDR(lpfc_hba_index); |
79 | ||
e59058c4 | 80 | /** |
3621a710 | 81 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
82 | * @phba: pointer to lpfc hba data structure. |
83 | * | |
84 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
85 | * mailbox command. It retrieves the revision information from the HBA and | |
86 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
87 | * configuration of the HBA. | |
88 | * | |
89 | * Return codes: | |
90 | * 0 - success. | |
91 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
92 | * Any other value - indicates an error. | |
93 | **/ | |
dea3101e | 94 | int |
2e0fef85 | 95 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
96 | { |
97 | lpfc_vpd_t *vp = &phba->vpd; | |
98 | int i = 0, rc; | |
99 | LPFC_MBOXQ_t *pmb; | |
100 | MAILBOX_t *mb; | |
101 | char *lpfc_vpd_data = NULL; | |
102 | uint16_t offset = 0; | |
103 | static char licensed[56] = | |
104 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 105 | static int init_key = 1; |
dea3101e JB |
106 | |
107 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
108 | if (!pmb) { | |
2e0fef85 | 109 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
110 | return -ENOMEM; |
111 | } | |
112 | ||
04c68496 | 113 | mb = &pmb->u.mb; |
2e0fef85 | 114 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
115 | |
116 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
117 | if (init_key) { |
118 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 119 | |
65a29c16 JS |
120 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
121 | *ptext = cpu_to_be32(*ptext); | |
122 | init_key = 0; | |
123 | } | |
dea3101e JB |
124 | |
125 | lpfc_read_nv(phba, pmb); | |
126 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
127 | sizeof (mb->un.varRDnvp.rsvd3)); | |
128 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
129 | sizeof (licensed)); | |
130 | ||
131 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
132 | ||
133 | if (rc != MBX_SUCCESS) { | |
ed957684 | 134 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 135 | "0324 Config Port initialization " |
dea3101e JB |
136 | "error, mbxCmd x%x READ_NVPARM, " |
137 | "mbxStatus x%x\n", | |
dea3101e JB |
138 | mb->mbxCommand, mb->mbxStatus); |
139 | mempool_free(pmb, phba->mbox_mem_pool); | |
140 | return -ERESTART; | |
141 | } | |
142 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
143 | sizeof(phba->wwnn)); |
144 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
145 | sizeof(phba->wwpn)); | |
dea3101e JB |
146 | } |
147 | ||
92d7f7b0 JS |
148 | phba->sli3_options = 0x0; |
149 | ||
dea3101e JB |
150 | /* Setup and issue mailbox READ REV command */ |
151 | lpfc_read_rev(phba, pmb); | |
152 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
153 | if (rc != MBX_SUCCESS) { | |
ed957684 | 154 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 155 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 156 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
157 | mb->mbxCommand, mb->mbxStatus); |
158 | mempool_free( pmb, phba->mbox_mem_pool); | |
159 | return -ERESTART; | |
160 | } | |
161 | ||
92d7f7b0 | 162 | |
1de933f3 JSEC |
163 | /* |
164 | * The value of rr must be 1 since the driver set the cv field to 1. | |
165 | * This setting requires the FW to set all revision fields. | |
dea3101e | 166 | */ |
1de933f3 | 167 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 168 | vp->rev.rBit = 0; |
1de933f3 | 169 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
170 | "0440 Adapter failed to init, READ_REV has " |
171 | "missing revision information.\n"); | |
dea3101e JB |
172 | mempool_free(pmb, phba->mbox_mem_pool); |
173 | return -ERESTART; | |
dea3101e JB |
174 | } |
175 | ||
495a714c JS |
176 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
177 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 178 | return -EINVAL; |
495a714c | 179 | } |
ed957684 | 180 | |
dea3101e | 181 | /* Save information as VPD data */ |
1de933f3 | 182 | vp->rev.rBit = 1; |
92d7f7b0 | 183 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
184 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
185 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
186 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
187 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
188 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
189 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
190 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
191 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
192 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
193 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
194 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
195 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
196 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
197 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
198 | ||
92d7f7b0 JS |
199 | /* If the sli feature level is less then 9, we must |
200 | * tear down all RPIs and VPIs on link down if NPIV | |
201 | * is enabled. | |
202 | */ | |
203 | if (vp->rev.feaLevelHigh < 9) | |
204 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
205 | ||
dea3101e JB |
206 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
207 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
208 | sizeof (phba->RandomData)); | |
209 | ||
dea3101e | 210 | /* Get adapter VPD information */ |
dea3101e JB |
211 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
212 | if (!lpfc_vpd_data) | |
d7c255b2 | 213 | goto out_free_mbox; |
dea3101e JB |
214 | |
215 | do { | |
a0c87cbd | 216 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e JB |
217 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
218 | ||
219 | if (rc != MBX_SUCCESS) { | |
220 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 221 | "0441 VPD not present on adapter, " |
dea3101e | 222 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 223 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 224 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 225 | } |
04c68496 JS |
226 | /* dump mem may return a zero when finished or we got a |
227 | * mailbox error, either way we are done. | |
228 | */ | |
229 | if (mb->un.varDmp.word_cnt == 0) | |
230 | break; | |
74b72a59 JW |
231 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
232 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
233 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
234 | lpfc_vpd_data + offset, | |
92d7f7b0 | 235 | mb->un.varDmp.word_cnt); |
dea3101e | 236 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
237 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
238 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
239 | |
240 | kfree(lpfc_vpd_data); | |
dea3101e JB |
241 | out_free_mbox: |
242 | mempool_free(pmb, phba->mbox_mem_pool); | |
243 | return 0; | |
244 | } | |
245 | ||
e59058c4 | 246 | /** |
3621a710 | 247 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
248 | * @phba: pointer to lpfc hba data structure. |
249 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
250 | * | |
251 | * This is the completion handler for driver's configuring asynchronous event | |
252 | * mailbox command to the device. If the mailbox command returns successfully, | |
253 | * it will set internal async event support flag to 1; otherwise, it will | |
254 | * set internal async event support flag to 0. | |
255 | **/ | |
57127f15 JS |
256 | static void |
257 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
258 | { | |
04c68496 | 259 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
260 | phba->temp_sensor_support = 1; |
261 | else | |
262 | phba->temp_sensor_support = 0; | |
263 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
264 | return; | |
265 | } | |
266 | ||
97207482 | 267 | /** |
3621a710 | 268 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
269 | * @phba: pointer to lpfc hba data structure. |
270 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
271 | * | |
272 | * This is the completion handler for dump mailbox command for getting | |
273 | * wake up parameters. When this command complete, the response contain | |
274 | * Option rom version of the HBA. This function translate the version number | |
275 | * into a human readable string and store it in OptionROMVersion. | |
276 | **/ | |
277 | static void | |
278 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
279 | { | |
280 | struct prog_id *prg; | |
281 | uint32_t prog_id_word; | |
282 | char dist = ' '; | |
283 | /* character array used for decoding dist type. */ | |
284 | char dist_char[] = "nabx"; | |
285 | ||
04c68496 | 286 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 287 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 288 | return; |
9f1e1b50 | 289 | } |
97207482 JS |
290 | |
291 | prg = (struct prog_id *) &prog_id_word; | |
292 | ||
293 | /* word 7 contain option rom version */ | |
04c68496 | 294 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
295 | |
296 | /* Decode the Option rom version word to a readable string */ | |
297 | if (prg->dist < 4) | |
298 | dist = dist_char[prg->dist]; | |
299 | ||
300 | if ((prg->dist == 3) && (prg->num == 0)) | |
301 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
302 | prg->ver, prg->rev, prg->lev); | |
303 | else | |
304 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
305 | prg->ver, prg->rev, prg->lev, | |
306 | dist, prg->num); | |
9f1e1b50 | 307 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
308 | return; |
309 | } | |
310 | ||
e59058c4 | 311 | /** |
3621a710 | 312 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
313 | * @phba: pointer to lpfc hba data structure. |
314 | * | |
315 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
316 | * command call. It performs all internal resource and state setups on the | |
317 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
318 | * ELS ring timers, etc. | |
319 | * | |
320 | * Return codes | |
321 | * 0 - success. | |
322 | * Any other value - error. | |
323 | **/ | |
dea3101e | 324 | int |
2e0fef85 | 325 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 326 | { |
2e0fef85 | 327 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 328 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
329 | LPFC_MBOXQ_t *pmb; |
330 | MAILBOX_t *mb; | |
331 | struct lpfc_dmabuf *mp; | |
332 | struct lpfc_sli *psli = &phba->sli; | |
333 | uint32_t status, timeout; | |
2e0fef85 JS |
334 | int i, j; |
335 | int rc; | |
dea3101e | 336 | |
7af67051 JS |
337 | spin_lock_irq(&phba->hbalock); |
338 | /* | |
339 | * If the Config port completed correctly the HBA is not | |
340 | * over heated any more. | |
341 | */ | |
342 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
343 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
344 | spin_unlock_irq(&phba->hbalock); | |
345 | ||
dea3101e JB |
346 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
347 | if (!pmb) { | |
2e0fef85 | 348 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
349 | return -ENOMEM; |
350 | } | |
04c68496 | 351 | mb = &pmb->u.mb; |
dea3101e | 352 | |
dea3101e | 353 | /* Get login parameters for NID. */ |
9f1177a3 JS |
354 | rc = lpfc_read_sparam(phba, pmb, 0); |
355 | if (rc) { | |
356 | mempool_free(pmb, phba->mbox_mem_pool); | |
357 | return -ENOMEM; | |
358 | } | |
359 | ||
ed957684 | 360 | pmb->vport = vport; |
dea3101e | 361 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 362 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 363 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 364 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 365 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 366 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 367 | mp = (struct lpfc_dmabuf *) pmb->context1; |
9f1177a3 | 368 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
369 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
370 | kfree(mp); | |
371 | return -EIO; | |
372 | } | |
373 | ||
374 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
375 | ||
2e0fef85 | 376 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
377 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
378 | kfree(mp); | |
379 | pmb->context1 = NULL; | |
380 | ||
a12e07bc | 381 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
382 | u64_to_wwn(phba->cfg_soft_wwnn, |
383 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 384 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
385 | u64_to_wwn(phba->cfg_soft_wwpn, |
386 | vport->fc_sparam.portName.u.wwn); | |
387 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 388 | sizeof (struct lpfc_name)); |
2e0fef85 | 389 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e | 390 | sizeof (struct lpfc_name)); |
a257bf90 JS |
391 | |
392 | /* Update the fc_host data structures with new wwn. */ | |
393 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
394 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 395 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 396 | |
dea3101e JB |
397 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
398 | /* This should be consolidated into parse_vpd ? - mr */ | |
399 | if (phba->SerialNumber[0] == 0) { | |
400 | uint8_t *outptr; | |
401 | ||
2e0fef85 | 402 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
403 | for (i = 0; i < 12; i++) { |
404 | status = *outptr++; | |
405 | j = ((status & 0xf0) >> 4); | |
406 | if (j <= 9) | |
407 | phba->SerialNumber[i] = | |
408 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
409 | else | |
410 | phba->SerialNumber[i] = | |
411 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
412 | i++; | |
413 | j = (status & 0xf); | |
414 | if (j <= 9) | |
415 | phba->SerialNumber[i] = | |
416 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
417 | else | |
418 | phba->SerialNumber[i] = | |
419 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
420 | } | |
421 | } | |
422 | ||
dea3101e | 423 | lpfc_read_config(phba, pmb); |
ed957684 | 424 | pmb->vport = vport; |
dea3101e | 425 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 426 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 427 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 428 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 429 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 430 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
431 | mempool_free( pmb, phba->mbox_mem_pool); |
432 | return -EIO; | |
433 | } | |
434 | ||
a0c87cbd JS |
435 | /* Check if the port is disabled */ |
436 | lpfc_sli_read_link_ste(phba); | |
437 | ||
dea3101e JB |
438 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
439 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
440 | phba->cfg_hba_queue_depth = | |
f1126688 JS |
441 | (mb->un.varRdConfig.max_xri + 1) - |
442 | lpfc_sli4_get_els_iocb_cnt(phba); | |
dea3101e JB |
443 | |
444 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
445 | |
446 | /* Get the default values for Model Name and Description */ | |
447 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
448 | ||
76a95d75 JS |
449 | if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_16G) |
450 | || ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) | |
74b72a59 | 451 | && !(phba->lmt & LMT_1Gb)) |
76a95d75 | 452 | || ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) |
74b72a59 | 453 | && !(phba->lmt & LMT_2Gb)) |
76a95d75 | 454 | || ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) |
74b72a59 | 455 | && !(phba->lmt & LMT_4Gb)) |
76a95d75 | 456 | || ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) |
74b72a59 | 457 | && !(phba->lmt & LMT_8Gb)) |
76a95d75 JS |
458 | || ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) |
459 | && !(phba->lmt & LMT_10Gb)) | |
460 | || ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) | |
461 | && !(phba->lmt & LMT_16Gb))) { | |
74b72a59 | 462 | /* Reset link speed to auto */ |
ab56dc2e | 463 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 | 464 | "1302 Invalid speed for this board: " |
dea3101e | 465 | "Reset link speed to auto: x%x\n", |
dea3101e | 466 | phba->cfg_link_speed); |
76a95d75 | 467 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; |
dea3101e JB |
468 | } |
469 | ||
2e0fef85 | 470 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 471 | |
0b727fea | 472 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
473 | if (psli->ring[psli->extra_ring].cmdringaddr) |
474 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
475 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
476 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
477 | if (psli->ring[psli->next_ring].cmdringaddr) | |
478 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
479 | ||
480 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
481 | if (phba->sli_rev != 3) |
482 | lpfc_post_rcv_buf(phba); | |
dea3101e | 483 | |
9399627f JS |
484 | /* |
485 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
486 | */ | |
487 | if (phba->intr_type == MSIX) { | |
488 | rc = lpfc_config_msi(phba, pmb); | |
489 | if (rc) { | |
490 | mempool_free(pmb, phba->mbox_mem_pool); | |
491 | return -EIO; | |
492 | } | |
493 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
494 | if (rc != MBX_SUCCESS) { | |
495 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
496 | "0352 Config MSI mailbox command " | |
497 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
498 | pmb->u.mb.mbxCommand, |
499 | pmb->u.mb.mbxStatus); | |
9399627f JS |
500 | mempool_free(pmb, phba->mbox_mem_pool); |
501 | return -EIO; | |
502 | } | |
503 | } | |
504 | ||
04c68496 | 505 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
506 | /* Initialize ERATT handling flag */ |
507 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
508 | ||
dea3101e | 509 | /* Enable appropriate host interrupts */ |
9940b97b JS |
510 | if (lpfc_readl(phba->HCregaddr, &status)) { |
511 | spin_unlock_irq(&phba->hbalock); | |
512 | return -EIO; | |
513 | } | |
dea3101e JB |
514 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; |
515 | if (psli->num_rings > 0) | |
516 | status |= HC_R0INT_ENA; | |
517 | if (psli->num_rings > 1) | |
518 | status |= HC_R1INT_ENA; | |
519 | if (psli->num_rings > 2) | |
520 | status |= HC_R2INT_ENA; | |
521 | if (psli->num_rings > 3) | |
522 | status |= HC_R3INT_ENA; | |
523 | ||
875fbdfe JSEC |
524 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
525 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 526 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 527 | |
dea3101e JB |
528 | writel(status, phba->HCregaddr); |
529 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 530 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 531 | |
9399627f JS |
532 | /* Set up ring-0 (ELS) timer */ |
533 | timeout = phba->fc_ratov * 2; | |
2e0fef85 | 534 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
9399627f | 535 | /* Set up heart beat (HB) timer */ |
858c9f6c JS |
536 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
537 | phba->hb_outstanding = 0; | |
538 | phba->last_completion_time = jiffies; | |
9399627f JS |
539 | /* Set up error attention (ERATT) polling timer */ |
540 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
dea3101e | 541 | |
a0c87cbd JS |
542 | if (phba->hba_flag & LINK_DISABLED) { |
543 | lpfc_printf_log(phba, | |
544 | KERN_ERR, LOG_INIT, | |
545 | "2598 Adapter Link is disabled.\n"); | |
546 | lpfc_down_link(phba, pmb); | |
547 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
548 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
549 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
550 | lpfc_printf_log(phba, | |
551 | KERN_ERR, LOG_INIT, | |
552 | "2599 Adapter failed to issue DOWN_LINK" | |
553 | " mbox command rc 0x%x\n", rc); | |
554 | ||
555 | mempool_free(pmb, phba->mbox_mem_pool); | |
556 | return -EIO; | |
557 | } | |
e40a02c1 | 558 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { |
a0c87cbd JS |
559 | lpfc_init_link(phba, pmb, phba->cfg_topology, |
560 | phba->cfg_link_speed); | |
561 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
562 | lpfc_set_loopback_flag(phba); | |
563 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
564 | if (rc != MBX_SUCCESS) { | |
565 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 566 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 567 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e JB |
568 | mb->mbxCommand, mb->mbxStatus); |
569 | ||
a0c87cbd JS |
570 | /* Clear all interrupt enable conditions */ |
571 | writel(0, phba->HCregaddr); | |
572 | readl(phba->HCregaddr); /* flush */ | |
573 | /* Clear all pending interrupts */ | |
574 | writel(0xffffffff, phba->HAregaddr); | |
575 | readl(phba->HAregaddr); /* flush */ | |
dea3101e | 576 | |
a0c87cbd JS |
577 | phba->link_state = LPFC_HBA_ERROR; |
578 | if (rc != MBX_BUSY) | |
579 | mempool_free(pmb, phba->mbox_mem_pool); | |
580 | return -EIO; | |
581 | } | |
dea3101e JB |
582 | } |
583 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 | 584 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
9f1177a3 JS |
585 | if (!pmb) { |
586 | phba->link_state = LPFC_HBA_ERROR; | |
587 | return -ENOMEM; | |
588 | } | |
589 | ||
57127f15 JS |
590 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); |
591 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
592 | pmb->vport = phba->pport; | |
593 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 594 | |
57127f15 JS |
595 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
596 | lpfc_printf_log(phba, | |
597 | KERN_ERR, | |
598 | LOG_INIT, | |
599 | "0456 Adapter failed to issue " | |
e4e74273 | 600 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
601 | rc); |
602 | mempool_free(pmb, phba->mbox_mem_pool); | |
603 | } | |
97207482 JS |
604 | |
605 | /* Get Option rom version */ | |
606 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9f1177a3 JS |
607 | if (!pmb) { |
608 | phba->link_state = LPFC_HBA_ERROR; | |
609 | return -ENOMEM; | |
610 | } | |
611 | ||
97207482 JS |
612 | lpfc_dump_wakeup_param(phba, pmb); |
613 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
614 | pmb->vport = phba->pport; | |
615 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
616 | ||
617 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
618 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 619 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
620 | mempool_free(pmb, phba->mbox_mem_pool); |
621 | } | |
622 | ||
d7c255b2 | 623 | return 0; |
ce8b3ce5 JS |
624 | } |
625 | ||
84d1b006 JS |
626 | /** |
627 | * lpfc_hba_init_link - Initialize the FC link | |
628 | * @phba: pointer to lpfc hba data structure. | |
6e7288d9 | 629 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT |
84d1b006 JS |
630 | * |
631 | * This routine will issue the INIT_LINK mailbox command call. | |
632 | * It is available to other drivers through the lpfc_hba data | |
633 | * structure for use as a delayed link up mechanism with the | |
634 | * module parameter lpfc_suppress_link_up. | |
635 | * | |
636 | * Return code | |
637 | * 0 - success | |
638 | * Any other value - error | |
639 | **/ | |
640 | int | |
6e7288d9 | 641 | lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
642 | { |
643 | struct lpfc_vport *vport = phba->pport; | |
644 | LPFC_MBOXQ_t *pmb; | |
645 | MAILBOX_t *mb; | |
646 | int rc; | |
647 | ||
648 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
649 | if (!pmb) { | |
650 | phba->link_state = LPFC_HBA_ERROR; | |
651 | return -ENOMEM; | |
652 | } | |
653 | mb = &pmb->u.mb; | |
654 | pmb->vport = vport; | |
655 | ||
76a95d75 | 656 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); |
84d1b006 JS |
657 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
658 | lpfc_set_loopback_flag(phba); | |
6e7288d9 | 659 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
76a95d75 | 660 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
84d1b006 JS |
661 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
662 | "0498 Adapter failed to init, mbxCmd x%x " | |
663 | "INIT_LINK, mbxStatus x%x\n", | |
664 | mb->mbxCommand, mb->mbxStatus); | |
76a95d75 JS |
665 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
666 | /* Clear all interrupt enable conditions */ | |
667 | writel(0, phba->HCregaddr); | |
668 | readl(phba->HCregaddr); /* flush */ | |
669 | /* Clear all pending interrupts */ | |
670 | writel(0xffffffff, phba->HAregaddr); | |
671 | readl(phba->HAregaddr); /* flush */ | |
672 | } | |
84d1b006 | 673 | phba->link_state = LPFC_HBA_ERROR; |
6e7288d9 | 674 | if (rc != MBX_BUSY || flag == MBX_POLL) |
84d1b006 JS |
675 | mempool_free(pmb, phba->mbox_mem_pool); |
676 | return -EIO; | |
677 | } | |
e40a02c1 | 678 | phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; |
6e7288d9 JS |
679 | if (flag == MBX_POLL) |
680 | mempool_free(pmb, phba->mbox_mem_pool); | |
84d1b006 JS |
681 | |
682 | return 0; | |
683 | } | |
684 | ||
685 | /** | |
686 | * lpfc_hba_down_link - this routine downs the FC link | |
6e7288d9 JS |
687 | * @phba: pointer to lpfc hba data structure. |
688 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
84d1b006 JS |
689 | * |
690 | * This routine will issue the DOWN_LINK mailbox command call. | |
691 | * It is available to other drivers through the lpfc_hba data | |
692 | * structure for use to stop the link. | |
693 | * | |
694 | * Return code | |
695 | * 0 - success | |
696 | * Any other value - error | |
697 | **/ | |
698 | int | |
6e7288d9 | 699 | lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
700 | { |
701 | LPFC_MBOXQ_t *pmb; | |
702 | int rc; | |
703 | ||
704 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
705 | if (!pmb) { | |
706 | phba->link_state = LPFC_HBA_ERROR; | |
707 | return -ENOMEM; | |
708 | } | |
709 | ||
710 | lpfc_printf_log(phba, | |
711 | KERN_ERR, LOG_INIT, | |
712 | "0491 Adapter Link is disabled.\n"); | |
713 | lpfc_down_link(phba, pmb); | |
714 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6e7288d9 | 715 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
84d1b006 JS |
716 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { |
717 | lpfc_printf_log(phba, | |
718 | KERN_ERR, LOG_INIT, | |
719 | "2522 Adapter failed to issue DOWN_LINK" | |
720 | " mbox command rc 0x%x\n", rc); | |
721 | ||
722 | mempool_free(pmb, phba->mbox_mem_pool); | |
723 | return -EIO; | |
724 | } | |
6e7288d9 JS |
725 | if (flag == MBX_POLL) |
726 | mempool_free(pmb, phba->mbox_mem_pool); | |
727 | ||
84d1b006 JS |
728 | return 0; |
729 | } | |
730 | ||
e59058c4 | 731 | /** |
3621a710 | 732 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
733 | * @phba: pointer to lpfc HBA data structure. |
734 | * | |
735 | * This routine will do LPFC uninitialization before the HBA is reset when | |
736 | * bringing down the SLI Layer. | |
737 | * | |
738 | * Return codes | |
739 | * 0 - success. | |
740 | * Any other value - error. | |
741 | **/ | |
dea3101e | 742 | int |
2e0fef85 | 743 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 744 | { |
1b32f6aa JS |
745 | struct lpfc_vport **vports; |
746 | int i; | |
3772a991 JS |
747 | |
748 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
749 | /* Disable interrupts */ | |
750 | writel(0, phba->HCregaddr); | |
751 | readl(phba->HCregaddr); /* flush */ | |
752 | } | |
dea3101e | 753 | |
1b32f6aa JS |
754 | if (phba->pport->load_flag & FC_UNLOADING) |
755 | lpfc_cleanup_discovery_resources(phba->pport); | |
756 | else { | |
757 | vports = lpfc_create_vport_work_array(phba); | |
758 | if (vports != NULL) | |
3772a991 JS |
759 | for (i = 0; i <= phba->max_vports && |
760 | vports[i] != NULL; i++) | |
1b32f6aa JS |
761 | lpfc_cleanup_discovery_resources(vports[i]); |
762 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
763 | } |
764 | return 0; | |
dea3101e JB |
765 | } |
766 | ||
e59058c4 | 767 | /** |
3772a991 | 768 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
769 | * @phba: pointer to lpfc HBA data structure. |
770 | * | |
771 | * This routine will do uninitialization after the HBA is reset when bring | |
772 | * down the SLI Layer. | |
773 | * | |
774 | * Return codes | |
af901ca1 | 775 | * 0 - success. |
e59058c4 JS |
776 | * Any other value - error. |
777 | **/ | |
3772a991 JS |
778 | static int |
779 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
41415862 JW |
780 | { |
781 | struct lpfc_sli *psli = &phba->sli; | |
782 | struct lpfc_sli_ring *pring; | |
783 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 784 | LIST_HEAD(completions); |
41415862 JW |
785 | int i; |
786 | ||
92d7f7b0 JS |
787 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
788 | lpfc_sli_hbqbuf_free_all(phba); | |
789 | else { | |
790 | /* Cleanup preposted buffers on the ELS ring */ | |
791 | pring = &psli->ring[LPFC_ELS_RING]; | |
792 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
793 | list_del(&mp->list); | |
794 | pring->postbufq_cnt--; | |
795 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
796 | kfree(mp); | |
797 | } | |
41415862 JW |
798 | } |
799 | ||
09372820 | 800 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
801 | for (i = 0; i < psli->num_rings; i++) { |
802 | pring = &psli->ring[i]; | |
09372820 JS |
803 | |
804 | /* At this point in time the HBA is either reset or DOA. Either | |
805 | * way, nothing should be on txcmplq as it will NEVER complete. | |
806 | */ | |
807 | list_splice_init(&pring->txcmplq, &completions); | |
808 | pring->txcmplq_cnt = 0; | |
809 | spin_unlock_irq(&phba->hbalock); | |
810 | ||
a257bf90 JS |
811 | /* Cancel all the IOCBs from the completions list */ |
812 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
813 | IOERR_SLI_ABORTED); | |
09372820 | 814 | |
41415862 | 815 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 816 | spin_lock_irq(&phba->hbalock); |
41415862 | 817 | } |
09372820 | 818 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
819 | |
820 | return 0; | |
821 | } | |
5af5eee7 | 822 | |
da0436e9 JS |
823 | /** |
824 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
825 | * @phba: pointer to lpfc HBA data structure. | |
826 | * | |
827 | * This routine will do uninitialization after the HBA is reset when bring | |
828 | * down the SLI Layer. | |
829 | * | |
830 | * Return codes | |
af901ca1 | 831 | * 0 - success. |
da0436e9 JS |
832 | * Any other value - error. |
833 | **/ | |
834 | static int | |
835 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
836 | { | |
837 | struct lpfc_scsi_buf *psb, *psb_next; | |
838 | LIST_HEAD(aborts); | |
839 | int ret; | |
840 | unsigned long iflag = 0; | |
0f65ff68 JS |
841 | struct lpfc_sglq *sglq_entry = NULL; |
842 | ||
da0436e9 JS |
843 | ret = lpfc_hba_down_post_s3(phba); |
844 | if (ret) | |
845 | return ret; | |
846 | /* At this point in time the HBA is either reset or DOA. Either | |
847 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
848 | * on the lpfc_sgl_list so that it can either be freed if the | |
849 | * driver is unloading or reposted if the driver is restarting | |
850 | * the port. | |
851 | */ | |
852 | spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */ | |
853 | /* scsl_buf_list */ | |
854 | /* abts_sgl_list_lock required because worker thread uses this | |
855 | * list. | |
856 | */ | |
857 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
0f65ff68 JS |
858 | list_for_each_entry(sglq_entry, |
859 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) | |
860 | sglq_entry->state = SGL_FREED; | |
861 | ||
da0436e9 JS |
862 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, |
863 | &phba->sli4_hba.lpfc_sgl_list); | |
864 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
865 | /* abts_scsi_buf_list_lock required because worker thread uses this | |
866 | * list. | |
867 | */ | |
868 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
869 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
870 | &aborts); | |
871 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
872 | spin_unlock_irq(&phba->hbalock); | |
873 | ||
874 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
875 | psb->pCmd = NULL; | |
876 | psb->status = IOSTAT_SUCCESS; | |
877 | } | |
878 | spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); | |
879 | list_splice(&aborts, &phba->lpfc_scsi_buf_list); | |
880 | spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); | |
881 | return 0; | |
882 | } | |
883 | ||
884 | /** | |
885 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
886 | * @phba: pointer to lpfc HBA data structure. | |
887 | * | |
888 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
889 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
890 | * | |
891 | * Return codes | |
af901ca1 | 892 | * 0 - success. |
da0436e9 JS |
893 | * Any other value - error. |
894 | **/ | |
895 | int | |
896 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
897 | { | |
898 | return (*phba->lpfc_hba_down_post)(phba); | |
899 | } | |
41415862 | 900 | |
e59058c4 | 901 | /** |
3621a710 | 902 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
903 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
904 | * | |
905 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
906 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
907 | * work-port-events bitmap and the worker thread is notified. This timeout | |
908 | * event will be used by the worker thread to invoke the actual timeout | |
909 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
910 | * be performed in the timeout handler and the HBA timeout event bit shall | |
911 | * be cleared by the worker thread after it has taken the event bitmap out. | |
912 | **/ | |
a6ababd2 | 913 | static void |
858c9f6c JS |
914 | lpfc_hb_timeout(unsigned long ptr) |
915 | { | |
916 | struct lpfc_hba *phba; | |
5e9d9b82 | 917 | uint32_t tmo_posted; |
858c9f6c JS |
918 | unsigned long iflag; |
919 | ||
920 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
921 | |
922 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 923 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
924 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
925 | if (!tmo_posted) | |
858c9f6c JS |
926 | phba->pport->work_port_events |= WORKER_HB_TMO; |
927 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
928 | ||
9399627f | 929 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
930 | if (!tmo_posted) |
931 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
932 | return; |
933 | } | |
934 | ||
19ca7609 JS |
935 | /** |
936 | * lpfc_rrq_timeout - The RRQ-timer timeout handler | |
937 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
938 | * | |
939 | * This is the RRQ-timer timeout handler registered to the lpfc driver. When | |
940 | * this timer fires, a RRQ timeout event shall be posted to the lpfc driver | |
941 | * work-port-events bitmap and the worker thread is notified. This timeout | |
942 | * event will be used by the worker thread to invoke the actual timeout | |
943 | * handler routine, lpfc_rrq_handler. Any periodical operations will | |
944 | * be performed in the timeout handler and the RRQ timeout event bit shall | |
945 | * be cleared by the worker thread after it has taken the event bitmap out. | |
946 | **/ | |
947 | static void | |
948 | lpfc_rrq_timeout(unsigned long ptr) | |
949 | { | |
950 | struct lpfc_hba *phba; | |
19ca7609 JS |
951 | unsigned long iflag; |
952 | ||
953 | phba = (struct lpfc_hba *)ptr; | |
954 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
1151e3ec | 955 | phba->hba_flag |= HBA_RRQ_ACTIVE; |
19ca7609 | 956 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
1151e3ec | 957 | lpfc_worker_wake_up(phba); |
19ca7609 JS |
958 | } |
959 | ||
e59058c4 | 960 | /** |
3621a710 | 961 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
962 | * @phba: pointer to lpfc hba data structure. |
963 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
964 | * | |
965 | * This is the callback function to the lpfc heart-beat mailbox command. | |
966 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
967 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
968 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
969 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
970 | * heart-beat outstanding state. Once the mailbox command comes back and | |
971 | * no error conditions detected, the heart-beat mailbox command timer is | |
972 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
973 | * state is cleared for the next heart-beat. If the timer expired with the | |
974 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
975 | **/ | |
858c9f6c JS |
976 | static void |
977 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
978 | { | |
979 | unsigned long drvr_flag; | |
980 | ||
981 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
982 | phba->hb_outstanding = 0; | |
983 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
984 | ||
9399627f | 985 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
986 | mempool_free(pmboxq, phba->mbox_mem_pool); |
987 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
988 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 989 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
990 | mod_timer(&phba->hb_tmofunc, |
991 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
992 | return; | |
993 | } | |
994 | ||
e59058c4 | 995 | /** |
3621a710 | 996 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
997 | * @phba: pointer to lpfc hba data structure. |
998 | * | |
999 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
1000 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
1001 | * handler performs any periodic operations needed for the device. If such | |
1002 | * periodic event has already been attended to either in the interrupt handler | |
1003 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
1004 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
1005 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
1006 | * is configured and there is no heart-beat mailbox command outstanding, a | |
1007 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
1008 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
1009 | * to offline. | |
1010 | **/ | |
858c9f6c JS |
1011 | void |
1012 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
1013 | { | |
45ed1190 | 1014 | struct lpfc_vport **vports; |
858c9f6c | 1015 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 1016 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 1017 | int retval, i; |
858c9f6c | 1018 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 1019 | LIST_HEAD(completions); |
858c9f6c | 1020 | |
45ed1190 JS |
1021 | vports = lpfc_create_vport_work_array(phba); |
1022 | if (vports != NULL) | |
1023 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
1024 | lpfc_rcv_seq_check_edtov(vports[i]); | |
1025 | lpfc_destroy_vport_work_array(phba, vports); | |
1026 | ||
858c9f6c | 1027 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 1028 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
1029 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
1030 | return; | |
1031 | ||
1032 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c JS |
1033 | |
1034 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
1035 | jiffies)) { | |
1036 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1037 | if (!phba->hb_outstanding) | |
1038 | mod_timer(&phba->hb_tmofunc, | |
1039 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
1040 | else | |
1041 | mod_timer(&phba->hb_tmofunc, | |
1042 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
1043 | return; | |
1044 | } | |
1045 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1046 | ||
0ff10d46 JS |
1047 | if (phba->elsbuf_cnt && |
1048 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
1049 | spin_lock_irq(&phba->hbalock); | |
1050 | list_splice_init(&phba->elsbuf, &completions); | |
1051 | phba->elsbuf_cnt = 0; | |
1052 | phba->elsbuf_prev_cnt = 0; | |
1053 | spin_unlock_irq(&phba->hbalock); | |
1054 | ||
1055 | while (!list_empty(&completions)) { | |
1056 | list_remove_head(&completions, buf_ptr, | |
1057 | struct lpfc_dmabuf, list); | |
1058 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1059 | kfree(buf_ptr); | |
1060 | } | |
1061 | } | |
1062 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
1063 | ||
858c9f6c | 1064 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
1065 | if (phba->cfg_enable_hba_heartbeat) { |
1066 | if (!phba->hb_outstanding) { | |
bc73905a JS |
1067 | if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && |
1068 | (list_empty(&psli->mboxq))) { | |
1069 | pmboxq = mempool_alloc(phba->mbox_mem_pool, | |
1070 | GFP_KERNEL); | |
1071 | if (!pmboxq) { | |
1072 | mod_timer(&phba->hb_tmofunc, | |
1073 | jiffies + | |
1074 | HZ * LPFC_HB_MBOX_INTERVAL); | |
1075 | return; | |
1076 | } | |
1077 | ||
1078 | lpfc_heart_beat(phba, pmboxq); | |
1079 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
1080 | pmboxq->vport = phba->pport; | |
1081 | retval = lpfc_sli_issue_mbox(phba, pmboxq, | |
1082 | MBX_NOWAIT); | |
1083 | ||
1084 | if (retval != MBX_BUSY && | |
1085 | retval != MBX_SUCCESS) { | |
1086 | mempool_free(pmboxq, | |
1087 | phba->mbox_mem_pool); | |
1088 | mod_timer(&phba->hb_tmofunc, | |
1089 | jiffies + | |
1090 | HZ * LPFC_HB_MBOX_INTERVAL); | |
1091 | return; | |
1092 | } | |
1093 | phba->skipped_hb = 0; | |
1094 | phba->hb_outstanding = 1; | |
1095 | } else if (time_before_eq(phba->last_completion_time, | |
1096 | phba->skipped_hb)) { | |
1097 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1098 | "2857 Last completion time not " | |
1099 | " updated in %d ms\n", | |
1100 | jiffies_to_msecs(jiffies | |
1101 | - phba->last_completion_time)); | |
1102 | } else | |
1103 | phba->skipped_hb = jiffies; | |
1104 | ||
858c9f6c | 1105 | mod_timer(&phba->hb_tmofunc, |
13815c83 | 1106 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
858c9f6c | 1107 | return; |
13815c83 JS |
1108 | } else { |
1109 | /* | |
1110 | * If heart beat timeout called with hb_outstanding set | |
dcf2a4e0 JS |
1111 | * we need to give the hb mailbox cmd a chance to |
1112 | * complete or TMO. | |
13815c83 | 1113 | */ |
dcf2a4e0 JS |
1114 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1115 | "0459 Adapter heartbeat still out" | |
1116 | "standing:last compl time was %d ms.\n", | |
1117 | jiffies_to_msecs(jiffies | |
1118 | - phba->last_completion_time)); | |
1119 | mod_timer(&phba->hb_tmofunc, | |
1120 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
858c9f6c | 1121 | } |
858c9f6c JS |
1122 | } |
1123 | } | |
1124 | ||
e59058c4 | 1125 | /** |
3621a710 | 1126 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
1127 | * @phba: pointer to lpfc hba data structure. |
1128 | * | |
1129 | * This routine is called to bring the HBA offline when HBA hardware error | |
1130 | * other than Port Error 6 has been detected. | |
1131 | **/ | |
09372820 JS |
1132 | static void |
1133 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
1134 | { | |
1135 | struct lpfc_sli *psli = &phba->sli; | |
1136 | ||
1137 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1138 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 JS |
1139 | spin_unlock_irq(&phba->hbalock); |
1140 | lpfc_offline_prep(phba); | |
1141 | ||
1142 | lpfc_offline(phba); | |
1143 | lpfc_reset_barrier(phba); | |
f4b4c68f | 1144 | spin_lock_irq(&phba->hbalock); |
09372820 | 1145 | lpfc_sli_brdreset(phba); |
f4b4c68f | 1146 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
1147 | lpfc_hba_down_post(phba); |
1148 | lpfc_sli_brdready(phba, HS_MBRDY); | |
1149 | lpfc_unblock_mgmt_io(phba); | |
1150 | phba->link_state = LPFC_HBA_ERROR; | |
1151 | return; | |
1152 | } | |
1153 | ||
da0436e9 JS |
1154 | /** |
1155 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
1156 | * @phba: pointer to lpfc hba data structure. | |
1157 | * | |
1158 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
1159 | * other than Port Error 6 has been detected. | |
1160 | **/ | |
1161 | static void | |
1162 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) | |
1163 | { | |
1164 | lpfc_offline_prep(phba); | |
1165 | lpfc_offline(phba); | |
1166 | lpfc_sli4_brdreset(phba); | |
1167 | lpfc_hba_down_post(phba); | |
1168 | lpfc_sli4_post_status_check(phba); | |
1169 | lpfc_unblock_mgmt_io(phba); | |
1170 | phba->link_state = LPFC_HBA_ERROR; | |
1171 | } | |
1172 | ||
a257bf90 JS |
1173 | /** |
1174 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
1175 | * @phba: pointer to lpfc hba data structure. | |
1176 | * | |
1177 | * This routine is invoked to handle the deferred HBA hardware error | |
1178 | * conditions. This type of error is indicated by HBA by setting ER1 | |
1179 | * and another ER bit in the host status register. The driver will | |
1180 | * wait until the ER1 bit clears before handling the error condition. | |
1181 | **/ | |
1182 | static void | |
1183 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
1184 | { | |
1185 | uint32_t old_host_status = phba->work_hs; | |
1186 | struct lpfc_sli_ring *pring; | |
1187 | struct lpfc_sli *psli = &phba->sli; | |
1188 | ||
f4b4c68f JS |
1189 | /* If the pci channel is offline, ignore possible errors, |
1190 | * since we cannot communicate with the pci card anyway. | |
1191 | */ | |
1192 | if (pci_channel_offline(phba->pcidev)) { | |
1193 | spin_lock_irq(&phba->hbalock); | |
1194 | phba->hba_flag &= ~DEFER_ERATT; | |
1195 | spin_unlock_irq(&phba->hbalock); | |
1196 | return; | |
1197 | } | |
1198 | ||
a257bf90 JS |
1199 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1200 | "0479 Deferred Adapter Hardware Error " | |
1201 | "Data: x%x x%x x%x\n", | |
1202 | phba->work_hs, | |
1203 | phba->work_status[0], phba->work_status[1]); | |
1204 | ||
1205 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1206 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1207 | spin_unlock_irq(&phba->hbalock); |
1208 | ||
1209 | ||
1210 | /* | |
1211 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1212 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1213 | * SCSI layer retry it after re-establishing link. | |
1214 | */ | |
1215 | pring = &psli->ring[psli->fcp_ring]; | |
1216 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1217 | ||
1218 | /* | |
1219 | * There was a firmware error. Take the hba offline and then | |
1220 | * attempt to restart it. | |
1221 | */ | |
1222 | lpfc_offline_prep(phba); | |
1223 | lpfc_offline(phba); | |
1224 | ||
1225 | /* Wait for the ER1 bit to clear.*/ | |
1226 | while (phba->work_hs & HS_FFER1) { | |
1227 | msleep(100); | |
9940b97b JS |
1228 | if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { |
1229 | phba->work_hs = UNPLUG_ERR ; | |
1230 | break; | |
1231 | } | |
a257bf90 JS |
1232 | /* If driver is unloading let the worker thread continue */ |
1233 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1234 | phba->work_hs = 0; | |
1235 | break; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | /* | |
1240 | * This is to ptrotect against a race condition in which | |
1241 | * first write to the host attention register clear the | |
1242 | * host status register. | |
1243 | */ | |
1244 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1245 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1246 | ||
3772a991 | 1247 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1248 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1249 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1250 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1251 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1252 | } | |
1253 | ||
3772a991 JS |
1254 | static void |
1255 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1256 | { | |
1257 | struct lpfc_board_event_header board_event; | |
1258 | struct Scsi_Host *shost; | |
1259 | ||
1260 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1261 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1262 | shost = lpfc_shost_from_vport(phba->pport); | |
1263 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1264 | sizeof(board_event), | |
1265 | (char *) &board_event, | |
1266 | LPFC_NL_VENDOR_ID); | |
1267 | } | |
1268 | ||
e59058c4 | 1269 | /** |
3772a991 | 1270 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1271 | * @phba: pointer to lpfc hba data structure. |
1272 | * | |
1273 | * This routine is invoked to handle the following HBA hardware error | |
1274 | * conditions: | |
1275 | * 1 - HBA error attention interrupt | |
1276 | * 2 - DMA ring index out of range | |
1277 | * 3 - Mailbox command came back as unknown | |
1278 | **/ | |
3772a991 JS |
1279 | static void |
1280 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1281 | { |
2e0fef85 | 1282 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1283 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 1284 | struct lpfc_sli_ring *pring; |
d2873e4c | 1285 | uint32_t event_data; |
57127f15 JS |
1286 | unsigned long temperature; |
1287 | struct temp_event temp_event_data; | |
92d7f7b0 | 1288 | struct Scsi_Host *shost; |
2e0fef85 | 1289 | |
8d63f375 | 1290 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1291 | * since we cannot communicate with the pci card anyway. |
1292 | */ | |
1293 | if (pci_channel_offline(phba->pcidev)) { | |
1294 | spin_lock_irq(&phba->hbalock); | |
1295 | phba->hba_flag &= ~DEFER_ERATT; | |
1296 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1297 | return; |
3772a991 JS |
1298 | } |
1299 | ||
13815c83 JS |
1300 | /* If resets are disabled then leave the HBA alone and return */ |
1301 | if (!phba->cfg_enable_hba_reset) | |
1302 | return; | |
dea3101e | 1303 | |
ea2151b4 | 1304 | /* Send an internal error event to mgmt application */ |
3772a991 | 1305 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1306 | |
a257bf90 JS |
1307 | if (phba->hba_flag & DEFER_ERATT) |
1308 | lpfc_handle_deferred_eratt(phba); | |
1309 | ||
dcf2a4e0 JS |
1310 | if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { |
1311 | if (phba->work_hs & HS_FFER6) | |
1312 | /* Re-establishing Link */ | |
1313 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1314 | "1301 Re-establishing Link " | |
1315 | "Data: x%x x%x x%x\n", | |
1316 | phba->work_hs, phba->work_status[0], | |
1317 | phba->work_status[1]); | |
1318 | if (phba->work_hs & HS_FFER8) | |
1319 | /* Device Zeroization */ | |
1320 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1321 | "2861 Host Authentication device " | |
1322 | "zeroization Data:x%x x%x x%x\n", | |
1323 | phba->work_hs, phba->work_status[0], | |
1324 | phba->work_status[1]); | |
58da1ffb | 1325 | |
92d7f7b0 | 1326 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1327 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1328 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1329 | |
1330 | /* | |
1331 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1332 | * That could cause the I/Os dropped by the firmware. | |
1333 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1334 | * retry it after re-establishing link. | |
1335 | */ | |
1336 | pring = &psli->ring[psli->fcp_ring]; | |
1337 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1338 | ||
dea3101e JB |
1339 | /* |
1340 | * There was a firmware error. Take the hba offline and then | |
1341 | * attempt to restart it. | |
1342 | */ | |
46fa311e | 1343 | lpfc_offline_prep(phba); |
dea3101e | 1344 | lpfc_offline(phba); |
41415862 | 1345 | lpfc_sli_brdrestart(phba); |
dea3101e | 1346 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1347 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1348 | return; |
1349 | } | |
46fa311e | 1350 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1351 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1352 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1353 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1354 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1355 | temp_event_data.data = (uint32_t)temperature; | |
1356 | ||
1357 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1358 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1359 | "(%ld), taking this port offline " |
1360 | "Data: x%x x%x x%x\n", | |
1361 | temperature, phba->work_hs, | |
1362 | phba->work_status[0], phba->work_status[1]); | |
1363 | ||
1364 | shost = lpfc_shost_from_vport(phba->pport); | |
1365 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1366 | sizeof(temp_event_data), | |
1367 | (char *) &temp_event_data, | |
1368 | SCSI_NL_VID_TYPE_PCI | |
1369 | | PCI_VENDOR_ID_EMULEX); | |
1370 | ||
7af67051 | 1371 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1372 | phba->over_temp_state = HBA_OVER_TEMP; |
1373 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1374 | lpfc_offline_eratt(phba); |
57127f15 | 1375 | |
dea3101e JB |
1376 | } else { |
1377 | /* The if clause above forces this code path when the status | |
9399627f JS |
1378 | * failure is a value other than FFER6. Do not call the offline |
1379 | * twice. This is the adapter hardware error path. | |
dea3101e JB |
1380 | */ |
1381 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1382 | "0457 Adapter Hardware Error " |
dea3101e | 1383 | "Data: x%x x%x x%x\n", |
e8b62011 | 1384 | phba->work_hs, |
dea3101e JB |
1385 | phba->work_status[0], phba->work_status[1]); |
1386 | ||
d2873e4c | 1387 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1388 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1389 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1390 | sizeof(event_data), (char *) &event_data, |
1391 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1392 | ||
09372820 | 1393 | lpfc_offline_eratt(phba); |
dea3101e | 1394 | } |
9399627f | 1395 | return; |
dea3101e JB |
1396 | } |
1397 | ||
da0436e9 JS |
1398 | /** |
1399 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1400 | * @phba: pointer to lpfc hba data structure. | |
1401 | * | |
1402 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1403 | * conditions. | |
1404 | **/ | |
1405 | static void | |
1406 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1407 | { | |
1408 | struct lpfc_vport *vport = phba->pport; | |
1409 | uint32_t event_data; | |
1410 | struct Scsi_Host *shost; | |
2fcee4bf JS |
1411 | uint32_t if_type; |
1412 | struct lpfc_register portstat_reg; | |
da0436e9 JS |
1413 | |
1414 | /* If the pci channel is offline, ignore possible errors, since | |
1415 | * we cannot communicate with the pci card anyway. | |
1416 | */ | |
1417 | if (pci_channel_offline(phba->pcidev)) | |
1418 | return; | |
1419 | /* If resets are disabled then leave the HBA alone and return */ | |
1420 | if (!phba->cfg_enable_hba_reset) | |
1421 | return; | |
1422 | ||
1423 | /* Send an internal error event to mgmt application */ | |
1424 | lpfc_board_errevt_to_mgmt(phba); | |
1425 | ||
1426 | /* For now, the actual action for SLI4 device handling is not | |
1427 | * specified yet, just treated it as adaptor hardware failure | |
1428 | */ | |
da0436e9 JS |
1429 | event_data = FC_REG_DUMP_EVENT; |
1430 | shost = lpfc_shost_from_vport(vport); | |
1431 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1432 | sizeof(event_data), (char *) &event_data, | |
1433 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1434 | ||
2fcee4bf JS |
1435 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
1436 | switch (if_type) { | |
1437 | case LPFC_SLI_INTF_IF_TYPE_0: | |
1438 | lpfc_sli4_offline_eratt(phba); | |
1439 | break; | |
1440 | case LPFC_SLI_INTF_IF_TYPE_2: | |
1441 | portstat_reg.word0 = | |
1442 | readl(phba->sli4_hba.u.if_type2.STATUSregaddr); | |
1443 | ||
1444 | if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { | |
1445 | /* TODO: Register for Overtemp async events. */ | |
1446 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1447 | "2889 Port Overtemperature event, " | |
1448 | "taking port\n"); | |
1449 | spin_lock_irq(&phba->hbalock); | |
1450 | phba->over_temp_state = HBA_OVER_TEMP; | |
1451 | spin_unlock_irq(&phba->hbalock); | |
1452 | lpfc_sli4_offline_eratt(phba); | |
1453 | return; | |
1454 | } | |
1455 | if (bf_get(lpfc_sliport_status_rn, &portstat_reg)) { | |
1456 | /* | |
1457 | * TODO: Attempt port recovery via a port reset. | |
1458 | * When fully implemented, the driver should | |
1459 | * attempt to recover the port here and return. | |
1460 | * For now, log an error and take the port offline. | |
1461 | */ | |
1462 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1463 | "2887 Port Error: Attempting " | |
1464 | "Port Recovery\n"); | |
1465 | } | |
1466 | lpfc_sli4_offline_eratt(phba); | |
1467 | break; | |
1468 | case LPFC_SLI_INTF_IF_TYPE_1: | |
1469 | default: | |
1470 | break; | |
1471 | } | |
da0436e9 JS |
1472 | } |
1473 | ||
1474 | /** | |
1475 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1476 | * @phba: pointer to lpfc HBA data structure. | |
1477 | * | |
1478 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1479 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1480 | * | |
1481 | * Return codes | |
af901ca1 | 1482 | * 0 - success. |
da0436e9 JS |
1483 | * Any other value - error. |
1484 | **/ | |
1485 | void | |
1486 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1487 | { | |
1488 | (*phba->lpfc_handle_eratt)(phba); | |
1489 | } | |
1490 | ||
e59058c4 | 1491 | /** |
3621a710 | 1492 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1493 | * @phba: pointer to lpfc hba data structure. |
1494 | * | |
1495 | * This routine is invoked from the worker thread to handle a HBA host | |
1496 | * attention link event. | |
1497 | **/ | |
dea3101e | 1498 | void |
2e0fef85 | 1499 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1500 | { |
2e0fef85 JS |
1501 | struct lpfc_vport *vport = phba->pport; |
1502 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
1503 | LPFC_MBOXQ_t *pmb; |
1504 | volatile uint32_t control; | |
1505 | struct lpfc_dmabuf *mp; | |
09372820 | 1506 | int rc = 0; |
dea3101e JB |
1507 | |
1508 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1509 | if (!pmb) { |
1510 | rc = 1; | |
dea3101e | 1511 | goto lpfc_handle_latt_err_exit; |
09372820 | 1512 | } |
dea3101e JB |
1513 | |
1514 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1515 | if (!mp) { |
1516 | rc = 2; | |
dea3101e | 1517 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1518 | } |
dea3101e JB |
1519 | |
1520 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1521 | if (!mp->virt) { |
1522 | rc = 3; | |
dea3101e | 1523 | goto lpfc_handle_latt_free_mp; |
09372820 | 1524 | } |
dea3101e | 1525 | |
6281bfe0 | 1526 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1527 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
1528 | |
1529 | psli->slistat.link_event++; | |
76a95d75 JS |
1530 | lpfc_read_topology(phba, pmb, mp); |
1531 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
2e0fef85 | 1532 | pmb->vport = vport; |
0d2b6b83 JS |
1533 | /* Block ELS IOCBs until we have processed this mbox command */ |
1534 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1535 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1536 | if (rc == MBX_NOT_FINISHED) { |
1537 | rc = 4; | |
14691150 | 1538 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1539 | } |
dea3101e JB |
1540 | |
1541 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1542 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1543 | writel(HA_LATT, phba->HAregaddr); |
1544 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1545 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1546 | |
1547 | return; | |
1548 | ||
14691150 | 1549 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1550 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1551 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
1552 | lpfc_handle_latt_free_mp: |
1553 | kfree(mp); | |
1554 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1555 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
1556 | lpfc_handle_latt_err_exit: |
1557 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1558 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1559 | psli->sli_flag |= LPFC_PROCESS_LA; |
1560 | control = readl(phba->HCregaddr); | |
1561 | control |= HC_LAINT_ENA; | |
1562 | writel(control, phba->HCregaddr); | |
1563 | readl(phba->HCregaddr); /* flush */ | |
1564 | ||
1565 | /* Clear Link Attention in HA REG */ | |
1566 | writel(HA_LATT, phba->HAregaddr); | |
1567 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1568 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1569 | lpfc_linkdown(phba); |
2e0fef85 | 1570 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1571 | |
09372820 JS |
1572 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1573 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
1574 | |
1575 | return; | |
1576 | } | |
1577 | ||
e59058c4 | 1578 | /** |
3621a710 | 1579 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1580 | * @phba: pointer to lpfc hba data structure. |
1581 | * @vpd: pointer to the vital product data. | |
1582 | * @len: length of the vital product data in bytes. | |
1583 | * | |
1584 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1585 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1586 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1587 | * | |
1588 | * Return codes | |
1589 | * 0 - pointer to the VPD passed in is NULL | |
1590 | * 1 - success | |
1591 | **/ | |
3772a991 | 1592 | int |
2e0fef85 | 1593 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
1594 | { |
1595 | uint8_t lenlo, lenhi; | |
07da60c1 | 1596 | int Length; |
dea3101e JB |
1597 | int i, j; |
1598 | int finished = 0; | |
1599 | int index = 0; | |
1600 | ||
1601 | if (!vpd) | |
1602 | return 0; | |
1603 | ||
1604 | /* Vital Product */ | |
ed957684 | 1605 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1606 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
1607 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1608 | (uint32_t) vpd[3]); | |
74b72a59 | 1609 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
1610 | switch (vpd[index]) { |
1611 | case 0x82: | |
74b72a59 | 1612 | case 0x91: |
dea3101e JB |
1613 | index += 1; |
1614 | lenlo = vpd[index]; | |
1615 | index += 1; | |
1616 | lenhi = vpd[index]; | |
1617 | index += 1; | |
1618 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1619 | index += i; | |
1620 | break; | |
1621 | case 0x90: | |
1622 | index += 1; | |
1623 | lenlo = vpd[index]; | |
1624 | index += 1; | |
1625 | lenhi = vpd[index]; | |
1626 | index += 1; | |
1627 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1628 | if (Length > len - index) |
1629 | Length = len - index; | |
dea3101e JB |
1630 | while (Length > 0) { |
1631 | /* Look for Serial Number */ | |
1632 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1633 | index += 2; | |
1634 | i = vpd[index]; | |
1635 | index += 1; | |
1636 | j = 0; | |
1637 | Length -= (3+i); | |
1638 | while(i--) { | |
1639 | phba->SerialNumber[j++] = vpd[index++]; | |
1640 | if (j == 31) | |
1641 | break; | |
1642 | } | |
1643 | phba->SerialNumber[j] = 0; | |
1644 | continue; | |
1645 | } | |
1646 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1647 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1648 | index += 2; | |
1649 | i = vpd[index]; | |
1650 | index += 1; | |
1651 | j = 0; | |
1652 | Length -= (3+i); | |
1653 | while(i--) { | |
1654 | phba->ModelDesc[j++] = vpd[index++]; | |
1655 | if (j == 255) | |
1656 | break; | |
1657 | } | |
1658 | phba->ModelDesc[j] = 0; | |
1659 | continue; | |
1660 | } | |
1661 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1662 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1663 | index += 2; | |
1664 | i = vpd[index]; | |
1665 | index += 1; | |
1666 | j = 0; | |
1667 | Length -= (3+i); | |
1668 | while(i--) { | |
1669 | phba->ModelName[j++] = vpd[index++]; | |
1670 | if (j == 79) | |
1671 | break; | |
1672 | } | |
1673 | phba->ModelName[j] = 0; | |
1674 | continue; | |
1675 | } | |
1676 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1677 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1678 | index += 2; | |
1679 | i = vpd[index]; | |
1680 | index += 1; | |
1681 | j = 0; | |
1682 | Length -= (3+i); | |
1683 | while(i--) { | |
1684 | phba->ProgramType[j++] = vpd[index++]; | |
1685 | if (j == 255) | |
1686 | break; | |
1687 | } | |
1688 | phba->ProgramType[j] = 0; | |
1689 | continue; | |
1690 | } | |
1691 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1692 | phba->vpd_flag |= VPD_PORT; | |
1693 | index += 2; | |
1694 | i = vpd[index]; | |
1695 | index += 1; | |
1696 | j = 0; | |
1697 | Length -= (3+i); | |
1698 | while(i--) { | |
1699 | phba->Port[j++] = vpd[index++]; | |
1700 | if (j == 19) | |
1701 | break; | |
1702 | } | |
1703 | phba->Port[j] = 0; | |
1704 | continue; | |
1705 | } | |
1706 | else { | |
1707 | index += 2; | |
1708 | i = vpd[index]; | |
1709 | index += 1; | |
1710 | index += i; | |
1711 | Length -= (3 + i); | |
1712 | } | |
1713 | } | |
1714 | finished = 0; | |
1715 | break; | |
1716 | case 0x78: | |
1717 | finished = 1; | |
1718 | break; | |
1719 | default: | |
1720 | index ++; | |
1721 | break; | |
1722 | } | |
74b72a59 | 1723 | } |
dea3101e JB |
1724 | |
1725 | return(1); | |
1726 | } | |
1727 | ||
e59058c4 | 1728 | /** |
3621a710 | 1729 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1730 | * @phba: pointer to lpfc hba data structure. |
1731 | * @mdp: pointer to the data structure to hold the derived model name. | |
1732 | * @descp: pointer to the data structure to hold the derived description. | |
1733 | * | |
1734 | * This routine retrieves HBA's description based on its registered PCI device | |
1735 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1736 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1737 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1738 | * function returns, the @mdp will be filled with the model name. | |
1739 | **/ | |
dea3101e | 1740 | static void |
2e0fef85 | 1741 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
1742 | { |
1743 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1744 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1745 | int max_speed; |
84774a4d | 1746 | int GE = 0; |
da0436e9 | 1747 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 | 1748 | struct { |
a747c9ce JS |
1749 | char *name; |
1750 | char *bus; | |
1751 | char *function; | |
1752 | } m = {"<Unknown>", "", ""}; | |
74b72a59 JW |
1753 | |
1754 | if (mdp && mdp[0] != '\0' | |
1755 | && descp && descp[0] != '\0') | |
1756 | return; | |
1757 | ||
1758 | if (phba->lmt & LMT_10Gb) | |
1759 | max_speed = 10; | |
1760 | else if (phba->lmt & LMT_8Gb) | |
1761 | max_speed = 8; | |
1762 | else if (phba->lmt & LMT_4Gb) | |
1763 | max_speed = 4; | |
1764 | else if (phba->lmt & LMT_2Gb) | |
1765 | max_speed = 2; | |
1766 | else | |
1767 | max_speed = 1; | |
dea3101e JB |
1768 | |
1769 | vp = &phba->vpd; | |
dea3101e | 1770 | |
e4adb204 | 1771 | switch (dev_id) { |
06325e74 | 1772 | case PCI_DEVICE_ID_FIREFLY: |
a747c9ce | 1773 | m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1774 | break; |
dea3101e JB |
1775 | case PCI_DEVICE_ID_SUPERFLY: |
1776 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
a747c9ce JS |
1777 | m = (typeof(m)){"LP7000", "PCI", |
1778 | "Fibre Channel Adapter"}; | |
dea3101e | 1779 | else |
a747c9ce JS |
1780 | m = (typeof(m)){"LP7000E", "PCI", |
1781 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1782 | break; |
1783 | case PCI_DEVICE_ID_DRAGONFLY: | |
a747c9ce JS |
1784 | m = (typeof(m)){"LP8000", "PCI", |
1785 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1786 | break; |
1787 | case PCI_DEVICE_ID_CENTAUR: | |
1788 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
a747c9ce JS |
1789 | m = (typeof(m)){"LP9002", "PCI", |
1790 | "Fibre Channel Adapter"}; | |
dea3101e | 1791 | else |
a747c9ce JS |
1792 | m = (typeof(m)){"LP9000", "PCI", |
1793 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1794 | break; |
1795 | case PCI_DEVICE_ID_RFLY: | |
a747c9ce JS |
1796 | m = (typeof(m)){"LP952", "PCI", |
1797 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1798 | break; |
1799 | case PCI_DEVICE_ID_PEGASUS: | |
a747c9ce JS |
1800 | m = (typeof(m)){"LP9802", "PCI-X", |
1801 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1802 | break; |
1803 | case PCI_DEVICE_ID_THOR: | |
a747c9ce JS |
1804 | m = (typeof(m)){"LP10000", "PCI-X", |
1805 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1806 | break; |
1807 | case PCI_DEVICE_ID_VIPER: | |
a747c9ce JS |
1808 | m = (typeof(m)){"LPX1000", "PCI-X", |
1809 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1810 | break; |
1811 | case PCI_DEVICE_ID_PFLY: | |
a747c9ce JS |
1812 | m = (typeof(m)){"LP982", "PCI-X", |
1813 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1814 | break; |
1815 | case PCI_DEVICE_ID_TFLY: | |
a747c9ce JS |
1816 | m = (typeof(m)){"LP1050", "PCI-X", |
1817 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1818 | break; |
1819 | case PCI_DEVICE_ID_HELIOS: | |
a747c9ce JS |
1820 | m = (typeof(m)){"LP11000", "PCI-X2", |
1821 | "Fibre Channel Adapter"}; | |
dea3101e | 1822 | break; |
e4adb204 | 1823 | case PCI_DEVICE_ID_HELIOS_SCSP: |
a747c9ce JS |
1824 | m = (typeof(m)){"LP11000-SP", "PCI-X2", |
1825 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1826 | break; |
1827 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
a747c9ce JS |
1828 | m = (typeof(m)){"LP11002-SP", "PCI-X2", |
1829 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1830 | break; |
1831 | case PCI_DEVICE_ID_NEPTUNE: | |
a747c9ce | 1832 | m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1833 | break; |
1834 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
a747c9ce | 1835 | m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1836 | break; |
1837 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
a747c9ce | 1838 | m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 | 1839 | break; |
dea3101e | 1840 | case PCI_DEVICE_ID_BMID: |
a747c9ce | 1841 | m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
1842 | break; |
1843 | case PCI_DEVICE_ID_BSMB: | |
a747c9ce | 1844 | m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
1845 | break; |
1846 | case PCI_DEVICE_ID_ZEPHYR: | |
a747c9ce | 1847 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1848 | break; |
e4adb204 | 1849 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
a747c9ce | 1850 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1851 | break; |
1852 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a747c9ce | 1853 | m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; |
a257bf90 | 1854 | GE = 1; |
e4adb204 | 1855 | break; |
dea3101e | 1856 | case PCI_DEVICE_ID_ZMID: |
a747c9ce | 1857 | m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
1858 | break; |
1859 | case PCI_DEVICE_ID_ZSMB: | |
a747c9ce | 1860 | m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
1861 | break; |
1862 | case PCI_DEVICE_ID_LP101: | |
a747c9ce | 1863 | m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"}; |
dea3101e JB |
1864 | break; |
1865 | case PCI_DEVICE_ID_LP10000S: | |
a747c9ce | 1866 | m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1867 | break; |
e4adb204 | 1868 | case PCI_DEVICE_ID_LP11000S: |
a747c9ce | 1869 | m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"}; |
18a3b596 | 1870 | break; |
e4adb204 | 1871 | case PCI_DEVICE_ID_LPE11000S: |
a747c9ce | 1872 | m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"}; |
5cc36b3c | 1873 | break; |
b87eab38 | 1874 | case PCI_DEVICE_ID_SAT: |
a747c9ce | 1875 | m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1876 | break; |
1877 | case PCI_DEVICE_ID_SAT_MID: | |
a747c9ce | 1878 | m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1879 | break; |
1880 | case PCI_DEVICE_ID_SAT_SMB: | |
a747c9ce | 1881 | m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1882 | break; |
1883 | case PCI_DEVICE_ID_SAT_DCSP: | |
a747c9ce | 1884 | m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1885 | break; |
1886 | case PCI_DEVICE_ID_SAT_SCSP: | |
a747c9ce | 1887 | m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1888 | break; |
1889 | case PCI_DEVICE_ID_SAT_S: | |
a747c9ce | 1890 | m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 | 1891 | break; |
84774a4d | 1892 | case PCI_DEVICE_ID_HORNET: |
a747c9ce | 1893 | m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"}; |
84774a4d JS |
1894 | GE = 1; |
1895 | break; | |
1896 | case PCI_DEVICE_ID_PROTEUS_VF: | |
a747c9ce JS |
1897 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
1898 | "Fibre Channel Adapter"}; | |
84774a4d JS |
1899 | break; |
1900 | case PCI_DEVICE_ID_PROTEUS_PF: | |
a747c9ce JS |
1901 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
1902 | "Fibre Channel Adapter"}; | |
84774a4d JS |
1903 | break; |
1904 | case PCI_DEVICE_ID_PROTEUS_S: | |
a747c9ce JS |
1905 | m = (typeof(m)){"LPemv12002-S", "PCIe IOV", |
1906 | "Fibre Channel Adapter"}; | |
84774a4d | 1907 | break; |
da0436e9 JS |
1908 | case PCI_DEVICE_ID_TIGERSHARK: |
1909 | oneConnect = 1; | |
a747c9ce | 1910 | m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; |
da0436e9 | 1911 | break; |
a747c9ce | 1912 | case PCI_DEVICE_ID_TOMCAT: |
6669f9bb | 1913 | oneConnect = 1; |
a747c9ce JS |
1914 | m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; |
1915 | break; | |
1916 | case PCI_DEVICE_ID_FALCON: | |
1917 | m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", | |
1918 | "EmulexSecure Fibre"}; | |
6669f9bb | 1919 | break; |
98fc5dd9 JS |
1920 | case PCI_DEVICE_ID_BALIUS: |
1921 | m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", | |
1922 | "Fibre Channel Adapter"}; | |
1923 | break; | |
085c647c JS |
1924 | case PCI_DEVICE_ID_LANCER_FC: |
1925 | oneConnect = 1; | |
1926 | m = (typeof(m)){"Undefined", "PCIe", "Fibre Channel Adapter"}; | |
1927 | break; | |
1928 | case PCI_DEVICE_ID_LANCER_FCOE: | |
1929 | oneConnect = 1; | |
1930 | m = (typeof(m)){"Undefined", "PCIe", "FCoE"}; | |
1931 | break; | |
5cc36b3c | 1932 | default: |
a747c9ce | 1933 | m = (typeof(m)){"Unknown", "", ""}; |
e4adb204 | 1934 | break; |
dea3101e | 1935 | } |
74b72a59 JW |
1936 | |
1937 | if (mdp && mdp[0] == '\0') | |
1938 | snprintf(mdp, 79,"%s", m.name); | |
da0436e9 JS |
1939 | /* oneConnect hba requires special processing, they are all initiators |
1940 | * and we put the port number on the end | |
1941 | */ | |
1942 | if (descp && descp[0] == '\0') { | |
1943 | if (oneConnect) | |
1944 | snprintf(descp, 255, | |
a747c9ce JS |
1945 | "Emulex OneConnect %s, %s Initiator, Port %s", |
1946 | m.name, m.function, | |
da0436e9 JS |
1947 | phba->Port); |
1948 | else | |
1949 | snprintf(descp, 255, | |
1950 | "Emulex %s %d%s %s %s", | |
a747c9ce JS |
1951 | m.name, max_speed, (GE) ? "GE" : "Gb", |
1952 | m.bus, m.function); | |
da0436e9 | 1953 | } |
dea3101e JB |
1954 | } |
1955 | ||
e59058c4 | 1956 | /** |
3621a710 | 1957 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
1958 | * @phba: pointer to lpfc hba data structure. |
1959 | * @pring: pointer to a IOCB ring. | |
1960 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
1961 | * | |
1962 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
1963 | * descriptors specified by the cnt argument to the given IOCB ring. | |
1964 | * | |
1965 | * Return codes | |
1966 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
1967 | **/ | |
dea3101e | 1968 | int |
495a714c | 1969 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e JB |
1970 | { |
1971 | IOCB_t *icmd; | |
0bd4ca25 | 1972 | struct lpfc_iocbq *iocb; |
dea3101e JB |
1973 | struct lpfc_dmabuf *mp1, *mp2; |
1974 | ||
1975 | cnt += pring->missbufcnt; | |
1976 | ||
1977 | /* While there are buffers to post */ | |
1978 | while (cnt > 0) { | |
1979 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1980 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
1981 | if (iocb == NULL) { |
1982 | pring->missbufcnt = cnt; | |
1983 | return cnt; | |
1984 | } | |
dea3101e JB |
1985 | icmd = &iocb->iocb; |
1986 | ||
1987 | /* 2 buffers can be posted per command */ | |
1988 | /* Allocate buffer to post */ | |
1989 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1990 | if (mp1) | |
98c9ea5c JS |
1991 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1992 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1993 | kfree(mp1); |
604a3e30 | 1994 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1995 | pring->missbufcnt = cnt; |
1996 | return cnt; | |
1997 | } | |
1998 | ||
1999 | INIT_LIST_HEAD(&mp1->list); | |
2000 | /* Allocate buffer to post */ | |
2001 | if (cnt > 1) { | |
2002 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2003 | if (mp2) | |
2004 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
2005 | &mp2->phys); | |
98c9ea5c | 2006 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 2007 | kfree(mp2); |
dea3101e JB |
2008 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2009 | kfree(mp1); | |
604a3e30 | 2010 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2011 | pring->missbufcnt = cnt; |
2012 | return cnt; | |
2013 | } | |
2014 | ||
2015 | INIT_LIST_HEAD(&mp2->list); | |
2016 | } else { | |
2017 | mp2 = NULL; | |
2018 | } | |
2019 | ||
2020 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
2021 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
2022 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
2023 | icmd->ulpBdeCount = 1; | |
2024 | cnt--; | |
2025 | if (mp2) { | |
2026 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
2027 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
2028 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
2029 | cnt--; | |
2030 | icmd->ulpBdeCount = 2; | |
2031 | } | |
2032 | ||
2033 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
2034 | icmd->ulpLe = 1; | |
2035 | ||
3772a991 JS |
2036 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
2037 | IOCB_ERROR) { | |
dea3101e JB |
2038 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2039 | kfree(mp1); | |
2040 | cnt++; | |
2041 | if (mp2) { | |
2042 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
2043 | kfree(mp2); | |
2044 | cnt++; | |
2045 | } | |
604a3e30 | 2046 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2047 | pring->missbufcnt = cnt; |
dea3101e JB |
2048 | return cnt; |
2049 | } | |
dea3101e | 2050 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 2051 | if (mp2) |
dea3101e | 2052 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
2053 | } |
2054 | pring->missbufcnt = 0; | |
2055 | return 0; | |
2056 | } | |
2057 | ||
e59058c4 | 2058 | /** |
3621a710 | 2059 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
2060 | * @phba: pointer to lpfc hba data structure. |
2061 | * | |
2062 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
2063 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
2064 | * set to 64 IOCBs. | |
2065 | * | |
2066 | * Return codes | |
2067 | * 0 - success (currently always success) | |
2068 | **/ | |
dea3101e | 2069 | static int |
2e0fef85 | 2070 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
2071 | { |
2072 | struct lpfc_sli *psli = &phba->sli; | |
2073 | ||
2074 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 2075 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e JB |
2076 | /* Ring 2 - FCP no buffers needed */ |
2077 | ||
2078 | return 0; | |
2079 | } | |
2080 | ||
2081 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
2082 | ||
e59058c4 | 2083 | /** |
3621a710 | 2084 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
2085 | * @HashResultPointer: pointer to an array as hash table. |
2086 | * | |
2087 | * This routine sets up the initial values to the array of hash table entries | |
2088 | * for the LC HBAs. | |
2089 | **/ | |
dea3101e JB |
2090 | static void |
2091 | lpfc_sha_init(uint32_t * HashResultPointer) | |
2092 | { | |
2093 | HashResultPointer[0] = 0x67452301; | |
2094 | HashResultPointer[1] = 0xEFCDAB89; | |
2095 | HashResultPointer[2] = 0x98BADCFE; | |
2096 | HashResultPointer[3] = 0x10325476; | |
2097 | HashResultPointer[4] = 0xC3D2E1F0; | |
2098 | } | |
2099 | ||
e59058c4 | 2100 | /** |
3621a710 | 2101 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
2102 | * @HashResultPointer: pointer to an initial/result hash table. |
2103 | * @HashWorkingPointer: pointer to an working hash table. | |
2104 | * | |
2105 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
2106 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
2107 | * The results are putting back to the initial hash table, returned through | |
2108 | * the @HashResultPointer as the result hash table. | |
2109 | **/ | |
dea3101e JB |
2110 | static void |
2111 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
2112 | { | |
2113 | int t; | |
2114 | uint32_t TEMP; | |
2115 | uint32_t A, B, C, D, E; | |
2116 | t = 16; | |
2117 | do { | |
2118 | HashWorkingPointer[t] = | |
2119 | S(1, | |
2120 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
2121 | 8] ^ | |
2122 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
2123 | } while (++t <= 79); | |
2124 | t = 0; | |
2125 | A = HashResultPointer[0]; | |
2126 | B = HashResultPointer[1]; | |
2127 | C = HashResultPointer[2]; | |
2128 | D = HashResultPointer[3]; | |
2129 | E = HashResultPointer[4]; | |
2130 | ||
2131 | do { | |
2132 | if (t < 20) { | |
2133 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
2134 | } else if (t < 40) { | |
2135 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
2136 | } else if (t < 60) { | |
2137 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
2138 | } else { | |
2139 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
2140 | } | |
2141 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
2142 | E = D; | |
2143 | D = C; | |
2144 | C = S(30, B); | |
2145 | B = A; | |
2146 | A = TEMP; | |
2147 | } while (++t <= 79); | |
2148 | ||
2149 | HashResultPointer[0] += A; | |
2150 | HashResultPointer[1] += B; | |
2151 | HashResultPointer[2] += C; | |
2152 | HashResultPointer[3] += D; | |
2153 | HashResultPointer[4] += E; | |
2154 | ||
2155 | } | |
2156 | ||
e59058c4 | 2157 | /** |
3621a710 | 2158 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
2159 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
2160 | * @HashWorking: pointer to the entry of the working hash array. | |
2161 | * | |
2162 | * This routine calculates the working hash array referred by @HashWorking | |
2163 | * from the challenge random numbers associated with the host, referred by | |
2164 | * @RandomChallenge. The result is put into the entry of the working hash | |
2165 | * array and returned by reference through @HashWorking. | |
2166 | **/ | |
dea3101e JB |
2167 | static void |
2168 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
2169 | { | |
2170 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
2171 | } | |
2172 | ||
e59058c4 | 2173 | /** |
3621a710 | 2174 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
2175 | * @phba: pointer to lpfc hba data structure. |
2176 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
2177 | * | |
2178 | * This routine performs the special handling for LC HBA initialization. | |
2179 | **/ | |
dea3101e JB |
2180 | void |
2181 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
2182 | { | |
2183 | int t; | |
2184 | uint32_t *HashWorking; | |
2e0fef85 | 2185 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 2186 | |
bbfbbbc1 | 2187 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
2188 | if (!HashWorking) |
2189 | return; | |
2190 | ||
dea3101e JB |
2191 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
2192 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
2193 | ||
2194 | for (t = 0; t < 7; t++) | |
2195 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
2196 | ||
2197 | lpfc_sha_init(hbainit); | |
2198 | lpfc_sha_iterate(hbainit, HashWorking); | |
2199 | kfree(HashWorking); | |
2200 | } | |
2201 | ||
e59058c4 | 2202 | /** |
3621a710 | 2203 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
2204 | * @vport: pointer to a virtual N_Port data structure. |
2205 | * | |
2206 | * This routine performs the necessary cleanups before deleting the @vport. | |
2207 | * It invokes the discovery state machine to perform necessary state | |
2208 | * transitions and to release the ndlps associated with the @vport. Note, | |
2209 | * the physical port is treated as @vport 0. | |
2210 | **/ | |
87af33fe | 2211 | void |
2e0fef85 | 2212 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 2213 | { |
87af33fe | 2214 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2215 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 2216 | int i = 0; |
dea3101e | 2217 | |
87af33fe JS |
2218 | if (phba->link_state > LPFC_LINK_DOWN) |
2219 | lpfc_port_link_failure(vport); | |
2220 | ||
2221 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
2222 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
2223 | ndlp = lpfc_enable_node(vport, ndlp, | |
2224 | NLP_STE_UNUSED_NODE); | |
2225 | if (!ndlp) | |
2226 | continue; | |
2227 | spin_lock_irq(&phba->ndlp_lock); | |
2228 | NLP_SET_FREE_REQ(ndlp); | |
2229 | spin_unlock_irq(&phba->ndlp_lock); | |
2230 | /* Trigger the release of the ndlp memory */ | |
2231 | lpfc_nlp_put(ndlp); | |
2232 | continue; | |
2233 | } | |
2234 | spin_lock_irq(&phba->ndlp_lock); | |
2235 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2236 | /* The ndlp should not be in memory free mode already */ | |
2237 | spin_unlock_irq(&phba->ndlp_lock); | |
2238 | continue; | |
2239 | } else | |
2240 | /* Indicate request for freeing ndlp memory */ | |
2241 | NLP_SET_FREE_REQ(ndlp); | |
2242 | spin_unlock_irq(&phba->ndlp_lock); | |
2243 | ||
58da1ffb JS |
2244 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
2245 | ndlp->nlp_DID == Fabric_DID) { | |
2246 | /* Just free up ndlp with Fabric_DID for vports */ | |
2247 | lpfc_nlp_put(ndlp); | |
2248 | continue; | |
2249 | } | |
2250 | ||
87af33fe JS |
2251 | if (ndlp->nlp_type & NLP_FABRIC) |
2252 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
2253 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 2254 | |
87af33fe JS |
2255 | lpfc_disc_state_machine(vport, ndlp, NULL, |
2256 | NLP_EVT_DEVICE_RM); | |
495a714c | 2257 | |
87af33fe JS |
2258 | } |
2259 | ||
a8adb832 JS |
2260 | /* At this point, ALL ndlp's should be gone |
2261 | * because of the previous NLP_EVT_DEVICE_RM. | |
2262 | * Lets wait for this to happen, if needed. | |
2263 | */ | |
87af33fe | 2264 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 2265 | if (i++ > 3000) { |
87af33fe | 2266 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 2267 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
2268 | list_for_each_entry_safe(ndlp, next_ndlp, |
2269 | &vport->fc_nodes, nlp_listp) { | |
2270 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
2271 | LOG_NODE, | |
d7c255b2 | 2272 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
2273 | "usgmap:x%x refcnt:%d\n", |
2274 | ndlp->nlp_DID, (void *)ndlp, | |
2275 | ndlp->nlp_usg_map, | |
2276 | atomic_read( | |
2277 | &ndlp->kref.refcount)); | |
2278 | } | |
a8adb832 | 2279 | break; |
87af33fe | 2280 | } |
a8adb832 JS |
2281 | |
2282 | /* Wait for any activity on ndlps to settle */ | |
2283 | msleep(10); | |
87af33fe | 2284 | } |
1151e3ec | 2285 | lpfc_cleanup_vports_rrqs(vport, NULL); |
dea3101e JB |
2286 | } |
2287 | ||
e59058c4 | 2288 | /** |
3621a710 | 2289 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2290 | * @vport: pointer to a virtual N_Port data structure. |
2291 | * | |
2292 | * This routine stops all the timers associated with a @vport. This function | |
2293 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2294 | * port is treated as @vport 0. | |
2295 | **/ | |
92d7f7b0 JS |
2296 | void |
2297 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2298 | { |
92d7f7b0 JS |
2299 | del_timer_sync(&vport->els_tmofunc); |
2300 | del_timer_sync(&vport->fc_fdmitmo); | |
92494144 | 2301 | del_timer_sync(&vport->delayed_disc_tmo); |
92d7f7b0 JS |
2302 | lpfc_can_disctmo(vport); |
2303 | return; | |
dea3101e JB |
2304 | } |
2305 | ||
ecfd03c6 JS |
2306 | /** |
2307 | * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2308 | * @phba: pointer to lpfc hba data structure. | |
2309 | * | |
2310 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. The | |
2311 | * caller of this routine should already hold the host lock. | |
2312 | **/ | |
2313 | void | |
2314 | __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2315 | { | |
5ac6b303 JS |
2316 | /* Clear pending FCF rediscovery wait flag */ |
2317 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
2318 | ||
ecfd03c6 JS |
2319 | /* Now, try to stop the timer */ |
2320 | del_timer(&phba->fcf.redisc_wait); | |
2321 | } | |
2322 | ||
2323 | /** | |
2324 | * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2325 | * @phba: pointer to lpfc hba data structure. | |
2326 | * | |
2327 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. It | |
2328 | * checks whether the FCF rediscovery wait timer is pending with the host | |
2329 | * lock held before proceeding with disabling the timer and clearing the | |
2330 | * wait timer pendig flag. | |
2331 | **/ | |
2332 | void | |
2333 | lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2334 | { | |
2335 | spin_lock_irq(&phba->hbalock); | |
2336 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
2337 | /* FCF rediscovery timer already fired or stopped */ | |
2338 | spin_unlock_irq(&phba->hbalock); | |
2339 | return; | |
2340 | } | |
2341 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
5ac6b303 JS |
2342 | /* Clear failover in progress flags */ |
2343 | phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC); | |
ecfd03c6 JS |
2344 | spin_unlock_irq(&phba->hbalock); |
2345 | } | |
2346 | ||
e59058c4 | 2347 | /** |
3772a991 | 2348 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2349 | * @phba: pointer to lpfc hba data structure. |
2350 | * | |
2351 | * This routine stops all the timers associated with a HBA. This function is | |
2352 | * invoked before either putting a HBA offline or unloading the driver. | |
2353 | **/ | |
3772a991 JS |
2354 | void |
2355 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2356 | { |
51ef4c26 | 2357 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2358 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2359 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2360 | del_timer_sync(&phba->eratt_poll); |
3772a991 | 2361 | del_timer_sync(&phba->hb_tmofunc); |
1151e3ec JS |
2362 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2363 | del_timer_sync(&phba->rrq_tmr); | |
2364 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
2365 | } | |
3772a991 JS |
2366 | phba->hb_outstanding = 0; |
2367 | ||
2368 | switch (phba->pci_dev_grp) { | |
2369 | case LPFC_PCI_DEV_LP: | |
2370 | /* Stop any LightPulse device specific driver timers */ | |
2371 | del_timer_sync(&phba->fcp_poll_timer); | |
2372 | break; | |
2373 | case LPFC_PCI_DEV_OC: | |
2374 | /* Stop any OneConnect device sepcific driver timers */ | |
ecfd03c6 | 2375 | lpfc_sli4_stop_fcf_redisc_wait_timer(phba); |
3772a991 JS |
2376 | break; |
2377 | default: | |
2378 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2379 | "0297 Invalid device group (x%x)\n", | |
2380 | phba->pci_dev_grp); | |
2381 | break; | |
2382 | } | |
2e0fef85 | 2383 | return; |
dea3101e JB |
2384 | } |
2385 | ||
e59058c4 | 2386 | /** |
3621a710 | 2387 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2388 | * @phba: pointer to lpfc hba data structure. |
2389 | * | |
2390 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2391 | * management interface is marked as blocked, all the user space access to | |
2392 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2393 | * all be blocked. The HBA is set to block the management interface when the | |
2394 | * driver prepares the HBA interface for online or offline. | |
2395 | **/ | |
a6ababd2 AB |
2396 | static void |
2397 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
2398 | { | |
2399 | unsigned long iflag; | |
6e7288d9 JS |
2400 | uint8_t actcmd = MBX_HEARTBEAT; |
2401 | unsigned long timeout; | |
2402 | ||
a6ababd2 AB |
2403 | |
2404 | spin_lock_irqsave(&phba->hbalock, iflag); | |
2405 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
6e7288d9 JS |
2406 | if (phba->sli.mbox_active) |
2407 | actcmd = phba->sli.mbox_active->u.mb.mbxCommand; | |
a6ababd2 | 2408 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6e7288d9 JS |
2409 | /* Determine how long we might wait for the active mailbox |
2410 | * command to be gracefully completed by firmware. | |
2411 | */ | |
2412 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, actcmd) * 1000) + | |
2413 | jiffies; | |
2414 | /* Wait for the outstnading mailbox command to complete */ | |
2415 | while (phba->sli.mbox_active) { | |
2416 | /* Check active mailbox complete status every 2ms */ | |
2417 | msleep(2); | |
2418 | if (time_after(jiffies, timeout)) { | |
2419 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2420 | "2813 Mgmt IO is Blocked %x " | |
2421 | "- mbox cmd %x still active\n", | |
2422 | phba->sli.sli_flag, actcmd); | |
2423 | break; | |
2424 | } | |
2425 | } | |
a6ababd2 AB |
2426 | } |
2427 | ||
e59058c4 | 2428 | /** |
3621a710 | 2429 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
2430 | * @phba: pointer to lpfc hba data structure. |
2431 | * | |
2432 | * This routine initializes the HBA and brings a HBA online. During this | |
2433 | * process, the management interface is blocked to prevent user space access | |
2434 | * to the HBA interfering with the driver initialization. | |
2435 | * | |
2436 | * Return codes | |
2437 | * 0 - successful | |
2438 | * 1 - failed | |
2439 | **/ | |
dea3101e | 2440 | int |
2e0fef85 | 2441 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 2442 | { |
372bd282 | 2443 | struct lpfc_vport *vport; |
549e55cd JS |
2444 | struct lpfc_vport **vports; |
2445 | int i; | |
2e0fef85 | 2446 | |
dea3101e JB |
2447 | if (!phba) |
2448 | return 0; | |
372bd282 | 2449 | vport = phba->pport; |
dea3101e | 2450 | |
2e0fef85 | 2451 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
2452 | return 0; |
2453 | ||
ed957684 | 2454 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2455 | "0458 Bring Adapter online\n"); |
dea3101e | 2456 | |
46fa311e JS |
2457 | lpfc_block_mgmt_io(phba); |
2458 | ||
2459 | if (!lpfc_sli_queue_setup(phba)) { | |
2460 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2461 | return 1; |
46fa311e | 2462 | } |
dea3101e | 2463 | |
da0436e9 JS |
2464 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2465 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
2466 | lpfc_unblock_mgmt_io(phba); | |
2467 | return 1; | |
2468 | } | |
2469 | } else { | |
2470 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ | |
2471 | lpfc_unblock_mgmt_io(phba); | |
2472 | return 1; | |
2473 | } | |
46fa311e | 2474 | } |
dea3101e | 2475 | |
549e55cd JS |
2476 | vports = lpfc_create_vport_work_array(phba); |
2477 | if (vports != NULL) | |
da0436e9 | 2478 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
2479 | struct Scsi_Host *shost; |
2480 | shost = lpfc_shost_from_vport(vports[i]); | |
2481 | spin_lock_irq(shost->host_lock); | |
2482 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
2483 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2484 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1c6834a7 JS |
2485 | if (phba->sli_rev == LPFC_SLI_REV4) |
2486 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; | |
549e55cd JS |
2487 | spin_unlock_irq(shost->host_lock); |
2488 | } | |
09372820 | 2489 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2490 | |
46fa311e | 2491 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
2492 | return 0; |
2493 | } | |
2494 | ||
e59058c4 | 2495 | /** |
3621a710 | 2496 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
2497 | * @phba: pointer to lpfc hba data structure. |
2498 | * | |
2499 | * This routine marks a HBA's management interface as not blocked. Once the | |
2500 | * HBA's management interface is marked as not blocked, all the user space | |
2501 | * access to the HBA, whether they are from sysfs interface or libdfc | |
2502 | * interface will be allowed. The HBA is set to block the management interface | |
2503 | * when the driver prepares the HBA interface for online or offline and then | |
2504 | * set to unblock the management interface afterwards. | |
2505 | **/ | |
46fa311e JS |
2506 | void |
2507 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
2508 | { | |
2509 | unsigned long iflag; | |
2510 | ||
2e0fef85 JS |
2511 | spin_lock_irqsave(&phba->hbalock, iflag); |
2512 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
2513 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
2514 | } |
2515 | ||
e59058c4 | 2516 | /** |
3621a710 | 2517 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
2518 | * @phba: pointer to lpfc hba data structure. |
2519 | * | |
2520 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
2521 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
2522 | * queue to make it ready to be brought offline. | |
2523 | **/ | |
46fa311e JS |
2524 | void |
2525 | lpfc_offline_prep(struct lpfc_hba * phba) | |
2526 | { | |
2e0fef85 | 2527 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 2528 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe | 2529 | struct lpfc_vport **vports; |
72100cc4 | 2530 | struct Scsi_Host *shost; |
87af33fe | 2531 | int i; |
dea3101e | 2532 | |
2e0fef85 | 2533 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2534 | return; |
dea3101e | 2535 | |
46fa311e | 2536 | lpfc_block_mgmt_io(phba); |
dea3101e JB |
2537 | |
2538 | lpfc_linkdown(phba); | |
2539 | ||
87af33fe JS |
2540 | /* Issue an unreg_login to all nodes on all vports */ |
2541 | vports = lpfc_create_vport_work_array(phba); | |
2542 | if (vports != NULL) { | |
da0436e9 | 2543 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
a8adb832 JS |
2544 | if (vports[i]->load_flag & FC_UNLOADING) |
2545 | continue; | |
72100cc4 JS |
2546 | shost = lpfc_shost_from_vport(vports[i]); |
2547 | spin_lock_irq(shost->host_lock); | |
c868595d | 2548 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
695a814e JS |
2549 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
2550 | vports[i]->fc_flag &= ~FC_VFI_REGISTERED; | |
72100cc4 | 2551 | spin_unlock_irq(shost->host_lock); |
695a814e | 2552 | |
87af33fe JS |
2553 | shost = lpfc_shost_from_vport(vports[i]); |
2554 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2555 | &vports[i]->fc_nodes, | |
2556 | nlp_listp) { | |
e47c9093 JS |
2557 | if (!NLP_CHK_NODE_ACT(ndlp)) |
2558 | continue; | |
87af33fe JS |
2559 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2560 | continue; | |
2561 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2562 | lpfc_disc_state_machine(vports[i], ndlp, | |
2563 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
2564 | lpfc_disc_state_machine(vports[i], ndlp, | |
2565 | NULL, NLP_EVT_DEVICE_RM); | |
2566 | } | |
2567 | spin_lock_irq(shost->host_lock); | |
2568 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2569 | spin_unlock_irq(shost->host_lock); | |
2570 | lpfc_unreg_rpi(vports[i], ndlp); | |
2571 | } | |
2572 | } | |
2573 | } | |
09372820 | 2574 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2575 | |
04c68496 | 2576 | lpfc_sli_mbox_sys_shutdown(phba); |
46fa311e JS |
2577 | } |
2578 | ||
e59058c4 | 2579 | /** |
3621a710 | 2580 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
2581 | * @phba: pointer to lpfc hba data structure. |
2582 | * | |
2583 | * This routine actually brings a HBA offline. It stops all the timers | |
2584 | * associated with the HBA, brings down the SLI layer, and eventually | |
2585 | * marks the HBA as in offline state for the upper layer protocol. | |
2586 | **/ | |
46fa311e | 2587 | void |
2e0fef85 | 2588 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 2589 | { |
549e55cd JS |
2590 | struct Scsi_Host *shost; |
2591 | struct lpfc_vport **vports; | |
2592 | int i; | |
46fa311e | 2593 | |
549e55cd | 2594 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2595 | return; |
688a8863 | 2596 | |
da0436e9 JS |
2597 | /* stop port and all timers associated with this hba */ |
2598 | lpfc_stop_port(phba); | |
51ef4c26 JS |
2599 | vports = lpfc_create_vport_work_array(phba); |
2600 | if (vports != NULL) | |
da0436e9 | 2601 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 2602 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2603 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2604 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2605 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
2606 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2607 | now. */ | |
2608 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2609 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2610 | phba->work_ha = 0; |
92d7f7b0 | 2611 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2612 | vports = lpfc_create_vport_work_array(phba); |
2613 | if (vports != NULL) | |
da0436e9 | 2614 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 2615 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2616 | spin_lock_irq(shost->host_lock); |
2617 | vports[i]->work_port_events = 0; | |
2618 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2619 | spin_unlock_irq(shost->host_lock); | |
2620 | } | |
09372820 | 2621 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
2622 | } |
2623 | ||
e59058c4 | 2624 | /** |
3621a710 | 2625 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2626 | * @phba: pointer to lpfc hba data structure. |
2627 | * | |
2628 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2629 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2630 | * the internal resources before the device is removed from the system. | |
2631 | * | |
2632 | * Return codes | |
2633 | * 0 - successful (for now, it always returns 0) | |
2634 | **/ | |
dea3101e | 2635 | static int |
2e0fef85 | 2636 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
2637 | { |
2638 | struct lpfc_scsi_buf *sb, *sb_next; | |
2639 | struct lpfc_iocbq *io, *io_next; | |
2640 | ||
2e0fef85 | 2641 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2642 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1c6f4ef5 | 2643 | spin_lock(&phba->scsi_buf_list_lock); |
dea3101e JB |
2644 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { |
2645 | list_del(&sb->list); | |
2646 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2647 | sb->dma_handle); |
dea3101e JB |
2648 | kfree(sb); |
2649 | phba->total_scsi_bufs--; | |
2650 | } | |
1c6f4ef5 | 2651 | spin_unlock(&phba->scsi_buf_list_lock); |
dea3101e JB |
2652 | |
2653 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2654 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2655 | list_del(&io->list); | |
2656 | kfree(io); | |
2657 | phba->total_iocbq_bufs--; | |
2658 | } | |
2e0fef85 | 2659 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2660 | return 0; |
2661 | } | |
2662 | ||
e59058c4 | 2663 | /** |
3621a710 | 2664 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
2665 | * @phba: pointer to lpfc hba data structure. |
2666 | * @instance: a unique integer ID to this FC port. | |
2667 | * @dev: pointer to the device data structure. | |
2668 | * | |
2669 | * This routine creates a FC port for the upper layer protocol. The FC port | |
2670 | * can be created on top of either a physical port or a virtual port provided | |
2671 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
2672 | * and associates the FC port created before adding the shost into the SCSI | |
2673 | * layer. | |
2674 | * | |
2675 | * Return codes | |
2676 | * @vport - pointer to the virtual N_Port data structure. | |
2677 | * NULL - port create failed. | |
2678 | **/ | |
2e0fef85 | 2679 | struct lpfc_vport * |
3de2a653 | 2680 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 2681 | { |
2e0fef85 JS |
2682 | struct lpfc_vport *vport; |
2683 | struct Scsi_Host *shost; | |
2684 | int error = 0; | |
47a8617c | 2685 | |
3de2a653 JS |
2686 | if (dev != &phba->pcidev->dev) |
2687 | shost = scsi_host_alloc(&lpfc_vport_template, | |
2688 | sizeof(struct lpfc_vport)); | |
2689 | else | |
2690 | shost = scsi_host_alloc(&lpfc_template, | |
2691 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
2692 | if (!shost) |
2693 | goto out; | |
47a8617c | 2694 | |
2e0fef85 JS |
2695 | vport = (struct lpfc_vport *) shost->hostdata; |
2696 | vport->phba = phba; | |
2e0fef85 | 2697 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 2698 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 2699 | vport->fc_rscn_flush = 0; |
47a8617c | 2700 | |
3de2a653 | 2701 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
2702 | shost->unique_id = instance; |
2703 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 2704 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
2705 | shost->this_id = -1; |
2706 | shost->max_cmd_len = 16; | |
da0436e9 | 2707 | if (phba->sli_rev == LPFC_SLI_REV4) { |
28baac74 | 2708 | shost->dma_boundary = |
cb5172ea | 2709 | phba->sli4_hba.pc_sli4_params.sge_supp_len-1; |
da0436e9 JS |
2710 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; |
2711 | } | |
81301a9b | 2712 | |
47a8617c | 2713 | /* |
2e0fef85 JS |
2714 | * Set initial can_queue value since 0 is no longer supported and |
2715 | * scsi_add_host will fail. This will be adjusted later based on the | |
2716 | * max xri value determined in hba setup. | |
47a8617c | 2717 | */ |
2e0fef85 | 2718 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 2719 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
2720 | shost->transportt = lpfc_vport_transport_template; |
2721 | vport->port_type = LPFC_NPIV_PORT; | |
2722 | } else { | |
2723 | shost->transportt = lpfc_transport_template; | |
2724 | vport->port_type = LPFC_PHYSICAL_PORT; | |
2725 | } | |
47a8617c | 2726 | |
2e0fef85 JS |
2727 | /* Initialize all internally managed lists. */ |
2728 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 2729 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 2730 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 2731 | |
2e0fef85 JS |
2732 | init_timer(&vport->fc_disctmo); |
2733 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 2734 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 2735 | |
2e0fef85 JS |
2736 | init_timer(&vport->fc_fdmitmo); |
2737 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 2738 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 2739 | |
2e0fef85 JS |
2740 | init_timer(&vport->els_tmofunc); |
2741 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 2742 | vport->els_tmofunc.data = (unsigned long)vport; |
92494144 JS |
2743 | |
2744 | init_timer(&vport->delayed_disc_tmo); | |
2745 | vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo; | |
2746 | vport->delayed_disc_tmo.data = (unsigned long)vport; | |
2747 | ||
d139b9bd | 2748 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
2749 | if (error) |
2750 | goto out_put_shost; | |
47a8617c | 2751 | |
549e55cd | 2752 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 2753 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 2754 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2755 | return vport; |
47a8617c | 2756 | |
2e0fef85 JS |
2757 | out_put_shost: |
2758 | scsi_host_put(shost); | |
2759 | out: | |
2760 | return NULL; | |
47a8617c JS |
2761 | } |
2762 | ||
e59058c4 | 2763 | /** |
3621a710 | 2764 | * destroy_port - destroy an FC port |
e59058c4 JS |
2765 | * @vport: pointer to an lpfc virtual N_Port data structure. |
2766 | * | |
2767 | * This routine destroys a FC port from the upper layer protocol. All the | |
2768 | * resources associated with the port are released. | |
2769 | **/ | |
2e0fef85 JS |
2770 | void |
2771 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 2772 | { |
92d7f7b0 JS |
2773 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2774 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2775 | |
858c9f6c | 2776 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
2777 | fc_remove_host(shost); |
2778 | scsi_remove_host(shost); | |
47a8617c | 2779 | |
92d7f7b0 JS |
2780 | spin_lock_irq(&phba->hbalock); |
2781 | list_del_init(&vport->listentry); | |
2782 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 2783 | |
92d7f7b0 | 2784 | lpfc_cleanup(vport); |
47a8617c | 2785 | return; |
47a8617c JS |
2786 | } |
2787 | ||
e59058c4 | 2788 | /** |
3621a710 | 2789 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
2790 | * |
2791 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
2792 | * uses the kernel idr facility to perform the task. | |
2793 | * | |
2794 | * Return codes: | |
2795 | * instance - a unique integer ID allocated as the new instance. | |
2796 | * -1 - lpfc get instance failed. | |
2797 | **/ | |
92d7f7b0 JS |
2798 | int |
2799 | lpfc_get_instance(void) | |
2800 | { | |
2801 | int instance = 0; | |
47a8617c | 2802 | |
92d7f7b0 JS |
2803 | /* Assign an unused number */ |
2804 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
2805 | return -1; | |
2806 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
2807 | return -1; | |
2808 | return instance; | |
47a8617c JS |
2809 | } |
2810 | ||
e59058c4 | 2811 | /** |
3621a710 | 2812 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
2813 | * @shost: pointer to SCSI host data structure. |
2814 | * @time: elapsed time of the scan in jiffies. | |
2815 | * | |
2816 | * This routine is called by the SCSI layer with a SCSI host to determine | |
2817 | * whether the scan host is finished. | |
2818 | * | |
2819 | * Note: there is no scan_start function as adapter initialization will have | |
2820 | * asynchronously kicked off the link initialization. | |
2821 | * | |
2822 | * Return codes | |
2823 | * 0 - SCSI host scan is not over yet. | |
2824 | * 1 - SCSI host scan is over. | |
2825 | **/ | |
47a8617c JS |
2826 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
2827 | { | |
2e0fef85 JS |
2828 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2829 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 2830 | int stat = 0; |
47a8617c | 2831 | |
858c9f6c JS |
2832 | spin_lock_irq(shost->host_lock); |
2833 | ||
51ef4c26 | 2834 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
2835 | stat = 1; |
2836 | goto finished; | |
2837 | } | |
2e0fef85 JS |
2838 | if (time >= 30 * HZ) { |
2839 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2840 | "0461 Scanning longer than 30 " |
2841 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2842 | stat = 1; |
47a8617c | 2843 | goto finished; |
2e0fef85 JS |
2844 | } |
2845 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
2846 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2847 | "0465 Link down longer than 15 " |
2848 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2849 | stat = 1; |
47a8617c | 2850 | goto finished; |
2e0fef85 | 2851 | } |
47a8617c | 2852 | |
2e0fef85 | 2853 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 2854 | goto finished; |
2e0fef85 | 2855 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 2856 | goto finished; |
2e0fef85 | 2857 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 2858 | goto finished; |
2e0fef85 | 2859 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
2860 | goto finished; |
2861 | ||
2862 | stat = 1; | |
47a8617c JS |
2863 | |
2864 | finished: | |
858c9f6c JS |
2865 | spin_unlock_irq(shost->host_lock); |
2866 | return stat; | |
92d7f7b0 | 2867 | } |
47a8617c | 2868 | |
e59058c4 | 2869 | /** |
3621a710 | 2870 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
2871 | * @shost: pointer to SCSI host data structure. |
2872 | * | |
2873 | * This routine initializes a given SCSI host attributes on a FC port. The | |
2874 | * SCSI host can be either on top of a physical port or a virtual port. | |
2875 | **/ | |
92d7f7b0 JS |
2876 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
2877 | { | |
2878 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2879 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2880 | /* |
2e0fef85 | 2881 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
2882 | */ |
2883 | ||
2e0fef85 JS |
2884 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
2885 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
2886 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
2887 | ||
2888 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 2889 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
2890 | fc_host_supported_fc4s(shost)[2] = 1; |
2891 | fc_host_supported_fc4s(shost)[7] = 1; | |
2892 | ||
92d7f7b0 JS |
2893 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
2894 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
2895 | |
2896 | fc_host_supported_speeds(shost) = 0; | |
2897 | if (phba->lmt & LMT_10Gb) | |
2898 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
2899 | if (phba->lmt & LMT_8Gb) |
2900 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
2901 | if (phba->lmt & LMT_4Gb) |
2902 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
2903 | if (phba->lmt & LMT_2Gb) | |
2904 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
2905 | if (phba->lmt & LMT_1Gb) | |
2906 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
2907 | ||
2908 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
2909 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
2910 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c | 2911 | |
0af5d708 MC |
2912 | fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; |
2913 | ||
47a8617c JS |
2914 | /* This value is also unchanging */ |
2915 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 2916 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
2917 | fc_host_active_fc4s(shost)[2] = 1; |
2918 | fc_host_active_fc4s(shost)[7] = 1; | |
2919 | ||
92d7f7b0 | 2920 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 2921 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2922 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 2923 | spin_unlock_irq(shost->host_lock); |
47a8617c | 2924 | } |
dea3101e | 2925 | |
e59058c4 | 2926 | /** |
da0436e9 | 2927 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
2928 | * @phba: pointer to lpfc hba data structure. |
2929 | * | |
da0436e9 JS |
2930 | * This routine is invoked to stop an SLI3 device port, it stops the device |
2931 | * from generating interrupts and stops the device driver's timers for the | |
2932 | * device. | |
e59058c4 | 2933 | **/ |
da0436e9 JS |
2934 | static void |
2935 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 2936 | { |
da0436e9 JS |
2937 | /* Clear all interrupt enable conditions */ |
2938 | writel(0, phba->HCregaddr); | |
2939 | readl(phba->HCregaddr); /* flush */ | |
2940 | /* Clear all pending interrupts */ | |
2941 | writel(0xffffffff, phba->HAregaddr); | |
2942 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 2943 | |
da0436e9 JS |
2944 | /* Reset some HBA SLI setup states */ |
2945 | lpfc_stop_hba_timers(phba); | |
2946 | phba->pport->work_port_events = 0; | |
2947 | } | |
db2378e0 | 2948 | |
da0436e9 JS |
2949 | /** |
2950 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
2951 | * @phba: pointer to lpfc hba data structure. | |
2952 | * | |
2953 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
2954 | * from generating interrupts and stops the device driver's timers for the | |
2955 | * device. | |
2956 | **/ | |
2957 | static void | |
2958 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
2959 | { | |
2960 | /* Reset some HBA SLI4 setup states */ | |
2961 | lpfc_stop_hba_timers(phba); | |
2962 | phba->pport->work_port_events = 0; | |
2963 | phba->sli4_hba.intr_enable = 0; | |
da0436e9 | 2964 | } |
9399627f | 2965 | |
da0436e9 JS |
2966 | /** |
2967 | * lpfc_stop_port - Wrapper function for stopping hba port | |
2968 | * @phba: Pointer to HBA context object. | |
2969 | * | |
2970 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
2971 | * the API jump table function pointer from the lpfc_hba struct. | |
2972 | **/ | |
2973 | void | |
2974 | lpfc_stop_port(struct lpfc_hba *phba) | |
2975 | { | |
2976 | phba->lpfc_stop_port(phba); | |
2977 | } | |
db2378e0 | 2978 | |
ecfd03c6 JS |
2979 | /** |
2980 | * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer | |
2981 | * @phba: Pointer to hba for which this call is being executed. | |
2982 | * | |
2983 | * This routine starts the timer waiting for the FCF rediscovery to complete. | |
2984 | **/ | |
2985 | void | |
2986 | lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) | |
2987 | { | |
2988 | unsigned long fcf_redisc_wait_tmo = | |
2989 | (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); | |
2990 | /* Start fcf rediscovery wait period timer */ | |
2991 | mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); | |
2992 | spin_lock_irq(&phba->hbalock); | |
2993 | /* Allow action to new fcf asynchronous event */ | |
2994 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
2995 | /* Mark the FCF rediscovery pending state */ | |
2996 | phba->fcf.fcf_flag |= FCF_REDISC_PEND; | |
2997 | spin_unlock_irq(&phba->hbalock); | |
2998 | } | |
2999 | ||
3000 | /** | |
3001 | * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout | |
3002 | * @ptr: Map to lpfc_hba data structure pointer. | |
3003 | * | |
3004 | * This routine is invoked when waiting for FCF table rediscover has been | |
3005 | * timed out. If new FCF record(s) has (have) been discovered during the | |
3006 | * wait period, a new FCF event shall be added to the FCOE async event | |
3007 | * list, and then worker thread shall be waked up for processing from the | |
3008 | * worker thread context. | |
3009 | **/ | |
3010 | void | |
3011 | lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) | |
3012 | { | |
3013 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
3014 | ||
3015 | /* Don't send FCF rediscovery event if timer cancelled */ | |
3016 | spin_lock_irq(&phba->hbalock); | |
3017 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
3018 | spin_unlock_irq(&phba->hbalock); | |
3019 | return; | |
3020 | } | |
3021 | /* Clear FCF rediscovery timer pending flag */ | |
3022 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
3023 | /* FCF rediscovery event to worker thread */ | |
3024 | phba->fcf.fcf_flag |= FCF_REDISC_EVT; | |
3025 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 3026 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 3027 | "2776 FCF rediscover quiescent timer expired\n"); |
ecfd03c6 JS |
3028 | /* wake up worker thread */ |
3029 | lpfc_worker_wake_up(phba); | |
3030 | } | |
3031 | ||
e59058c4 | 3032 | /** |
da0436e9 | 3033 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 3034 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3035 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 3036 | * |
da0436e9 JS |
3037 | * This routine is to parse the SLI4 link-attention link fault code and |
3038 | * translate it into the base driver's read link attention mailbox command | |
3039 | * status. | |
3040 | * | |
3041 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 3042 | **/ |
da0436e9 JS |
3043 | static uint16_t |
3044 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
3045 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 3046 | { |
da0436e9 | 3047 | uint16_t latt_fault; |
9399627f | 3048 | |
da0436e9 JS |
3049 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
3050 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
3051 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
3052 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
3053 | latt_fault = 0; | |
3054 | break; | |
3055 | default: | |
3056 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3057 | "0398 Invalid link fault code: x%x\n", | |
3058 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
3059 | latt_fault = MBXERR_ERROR; | |
3060 | break; | |
3061 | } | |
3062 | return latt_fault; | |
db2378e0 JS |
3063 | } |
3064 | ||
5b75da2f | 3065 | /** |
da0436e9 | 3066 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 3067 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3068 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3069 | * |
da0436e9 JS |
3070 | * This routine is to parse the SLI4 link attention type and translate it |
3071 | * into the base driver's link attention type coding. | |
5b75da2f | 3072 | * |
da0436e9 JS |
3073 | * Return: Link attention type in terms of base driver's coding. |
3074 | **/ | |
3075 | static uint8_t | |
3076 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
3077 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3078 | { |
da0436e9 | 3079 | uint8_t att_type; |
5b75da2f | 3080 | |
da0436e9 JS |
3081 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
3082 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
3083 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
76a95d75 | 3084 | att_type = LPFC_ATT_LINK_DOWN; |
da0436e9 JS |
3085 | break; |
3086 | case LPFC_ASYNC_LINK_STATUS_UP: | |
3087 | /* Ignore physical link up events - wait for logical link up */ | |
76a95d75 | 3088 | att_type = LPFC_ATT_RESERVED; |
da0436e9 JS |
3089 | break; |
3090 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
76a95d75 | 3091 | att_type = LPFC_ATT_LINK_UP; |
da0436e9 JS |
3092 | break; |
3093 | default: | |
3094 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3095 | "0399 Invalid link attention type: x%x\n", | |
3096 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
76a95d75 | 3097 | att_type = LPFC_ATT_RESERVED; |
da0436e9 | 3098 | break; |
5b75da2f | 3099 | } |
da0436e9 | 3100 | return att_type; |
5b75da2f JS |
3101 | } |
3102 | ||
3103 | /** | |
da0436e9 | 3104 | * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed |
5b75da2f | 3105 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3106 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3107 | * |
da0436e9 JS |
3108 | * This routine is to parse the SLI4 link-attention link speed and translate |
3109 | * it into the base driver's link-attention link speed coding. | |
3110 | * | |
3111 | * Return: Link-attention link speed in terms of base driver's coding. | |
3112 | **/ | |
3113 | static uint8_t | |
3114 | lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba, | |
3115 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3116 | { |
da0436e9 JS |
3117 | uint8_t link_speed; |
3118 | ||
3119 | switch (bf_get(lpfc_acqe_link_speed, acqe_link)) { | |
3120 | case LPFC_ASYNC_LINK_SPEED_ZERO: | |
da0436e9 | 3121 | case LPFC_ASYNC_LINK_SPEED_10MBPS: |
da0436e9 | 3122 | case LPFC_ASYNC_LINK_SPEED_100MBPS: |
76a95d75 | 3123 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3124 | break; |
3125 | case LPFC_ASYNC_LINK_SPEED_1GBPS: | |
76a95d75 | 3126 | link_speed = LPFC_LINK_SPEED_1GHZ; |
da0436e9 JS |
3127 | break; |
3128 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
76a95d75 | 3129 | link_speed = LPFC_LINK_SPEED_10GHZ; |
da0436e9 JS |
3130 | break; |
3131 | default: | |
3132 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3133 | "0483 Invalid link-attention link speed: x%x\n", | |
3134 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
76a95d75 | 3135 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3136 | break; |
3137 | } | |
3138 | return link_speed; | |
3139 | } | |
3140 | ||
3141 | /** | |
70f3c073 | 3142 | * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event |
da0436e9 JS |
3143 | * @phba: pointer to lpfc hba data structure. |
3144 | * @acqe_link: pointer to the async link completion queue entry. | |
3145 | * | |
70f3c073 | 3146 | * This routine is to handle the SLI4 asynchronous FCoE link event. |
da0436e9 JS |
3147 | **/ |
3148 | static void | |
3149 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
3150 | struct lpfc_acqe_link *acqe_link) | |
3151 | { | |
3152 | struct lpfc_dmabuf *mp; | |
3153 | LPFC_MBOXQ_t *pmb; | |
3154 | MAILBOX_t *mb; | |
76a95d75 | 3155 | struct lpfc_mbx_read_top *la; |
da0436e9 | 3156 | uint8_t att_type; |
76a95d75 | 3157 | int rc; |
da0436e9 JS |
3158 | |
3159 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
76a95d75 | 3160 | if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) |
da0436e9 | 3161 | return; |
32b9793f | 3162 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
3163 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3164 | if (!pmb) { | |
3165 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3166 | "0395 The mboxq allocation failed\n"); | |
3167 | return; | |
3168 | } | |
3169 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3170 | if (!mp) { | |
3171 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3172 | "0396 The lpfc_dmabuf allocation failed\n"); | |
3173 | goto out_free_pmb; | |
3174 | } | |
3175 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3176 | if (!mp->virt) { | |
3177 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3178 | "0397 The mbuf allocation failed\n"); | |
3179 | goto out_free_dmabuf; | |
3180 | } | |
3181 | ||
3182 | /* Cleanup any outstanding ELS commands */ | |
3183 | lpfc_els_flush_all_cmd(phba); | |
3184 | ||
3185 | /* Block ELS IOCBs until we have done process link event */ | |
3186 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3187 | ||
3188 | /* Update link event statistics */ | |
3189 | phba->sli.slistat.link_event++; | |
3190 | ||
76a95d75 JS |
3191 | /* Create lpfc_handle_latt mailbox command from link ACQE */ |
3192 | lpfc_read_topology(phba, pmb, mp); | |
3193 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
da0436e9 JS |
3194 | pmb->vport = phba->pport; |
3195 | ||
da0436e9 JS |
3196 | /* Keep the link status for extra SLI4 state machine reference */ |
3197 | phba->sli4_hba.link_state.speed = | |
3198 | bf_get(lpfc_acqe_link_speed, acqe_link); | |
3199 | phba->sli4_hba.link_state.duplex = | |
3200 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
3201 | phba->sli4_hba.link_state.status = | |
3202 | bf_get(lpfc_acqe_link_status, acqe_link); | |
70f3c073 JS |
3203 | phba->sli4_hba.link_state.type = |
3204 | bf_get(lpfc_acqe_link_type, acqe_link); | |
3205 | phba->sli4_hba.link_state.number = | |
3206 | bf_get(lpfc_acqe_link_number, acqe_link); | |
da0436e9 JS |
3207 | phba->sli4_hba.link_state.fault = |
3208 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
65467b6b | 3209 | phba->sli4_hba.link_state.logical_speed = |
70f3c073 JS |
3210 | bf_get(lpfc_acqe_logical_link_speed, acqe_link); |
3211 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3212 | "2900 Async FCoE Link event - Speed:%dGBit duplex:x%x " | |
3213 | "LA Type:x%x Port Type:%d Port Number:%d Logical " | |
3214 | "speed:%dMbps Fault:%d\n", | |
3215 | phba->sli4_hba.link_state.speed, | |
3216 | phba->sli4_hba.link_state.topology, | |
3217 | phba->sli4_hba.link_state.status, | |
3218 | phba->sli4_hba.link_state.type, | |
3219 | phba->sli4_hba.link_state.number, | |
3220 | phba->sli4_hba.link_state.logical_speed * 10, | |
3221 | phba->sli4_hba.link_state.fault); | |
76a95d75 JS |
3222 | /* |
3223 | * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch | |
3224 | * topology info. Note: Optional for non FC-AL ports. | |
3225 | */ | |
3226 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { | |
3227 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3228 | if (rc == MBX_NOT_FINISHED) | |
3229 | goto out_free_dmabuf; | |
3230 | return; | |
3231 | } | |
3232 | /* | |
3233 | * For FCoE Mode: fill in all the topology information we need and call | |
3234 | * the READ_TOPOLOGY completion routine to continue without actually | |
3235 | * sending the READ_TOPOLOGY mailbox command to the port. | |
3236 | */ | |
3237 | /* Parse and translate status field */ | |
3238 | mb = &pmb->u.mb; | |
3239 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
3240 | ||
3241 | /* Parse and translate link attention fields */ | |
3242 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; | |
3243 | la->eventTag = acqe_link->event_tag; | |
3244 | bf_set(lpfc_mbx_read_top_att_type, la, att_type); | |
3245 | bf_set(lpfc_mbx_read_top_link_spd, la, | |
3246 | lpfc_sli4_parse_latt_link_speed(phba, acqe_link)); | |
3247 | ||
3248 | /* Fake the the following irrelvant fields */ | |
3249 | bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); | |
3250 | bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); | |
3251 | bf_set(lpfc_mbx_read_top_il, la, 0); | |
3252 | bf_set(lpfc_mbx_read_top_pb, la, 0); | |
3253 | bf_set(lpfc_mbx_read_top_fa, la, 0); | |
3254 | bf_set(lpfc_mbx_read_top_mm, la, 0); | |
da0436e9 JS |
3255 | |
3256 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
76a95d75 | 3257 | lpfc_mbx_cmpl_read_topology(phba, pmb); |
da0436e9 | 3258 | |
5b75da2f | 3259 | return; |
da0436e9 JS |
3260 | |
3261 | out_free_dmabuf: | |
3262 | kfree(mp); | |
3263 | out_free_pmb: | |
3264 | mempool_free(pmb, phba->mbox_mem_pool); | |
3265 | } | |
3266 | ||
70f3c073 JS |
3267 | /** |
3268 | * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event | |
3269 | * @phba: pointer to lpfc hba data structure. | |
3270 | * @acqe_fc: pointer to the async fc completion queue entry. | |
3271 | * | |
3272 | * This routine is to handle the SLI4 asynchronous FC event. It will simply log | |
3273 | * that the event was received and then issue a read_topology mailbox command so | |
3274 | * that the rest of the driver will treat it the same as SLI3. | |
3275 | **/ | |
3276 | static void | |
3277 | lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) | |
3278 | { | |
3279 | struct lpfc_dmabuf *mp; | |
3280 | LPFC_MBOXQ_t *pmb; | |
3281 | int rc; | |
3282 | ||
3283 | if (bf_get(lpfc_trailer_type, acqe_fc) != | |
3284 | LPFC_FC_LA_EVENT_TYPE_FC_LINK) { | |
3285 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3286 | "2895 Non FC link Event detected.(%d)\n", | |
3287 | bf_get(lpfc_trailer_type, acqe_fc)); | |
3288 | return; | |
3289 | } | |
3290 | /* Keep the link status for extra SLI4 state machine reference */ | |
3291 | phba->sli4_hba.link_state.speed = | |
3292 | bf_get(lpfc_acqe_fc_la_speed, acqe_fc); | |
3293 | phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; | |
3294 | phba->sli4_hba.link_state.topology = | |
3295 | bf_get(lpfc_acqe_fc_la_topology, acqe_fc); | |
3296 | phba->sli4_hba.link_state.status = | |
3297 | bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); | |
3298 | phba->sli4_hba.link_state.type = | |
3299 | bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); | |
3300 | phba->sli4_hba.link_state.number = | |
3301 | bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); | |
3302 | phba->sli4_hba.link_state.fault = | |
3303 | bf_get(lpfc_acqe_link_fault, acqe_fc); | |
3304 | phba->sli4_hba.link_state.logical_speed = | |
3305 | bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc); | |
3306 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3307 | "2896 Async FC event - Speed:%dGBaud Topology:x%x " | |
3308 | "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" | |
3309 | "%dMbps Fault:%d\n", | |
3310 | phba->sli4_hba.link_state.speed, | |
3311 | phba->sli4_hba.link_state.topology, | |
3312 | phba->sli4_hba.link_state.status, | |
3313 | phba->sli4_hba.link_state.type, | |
3314 | phba->sli4_hba.link_state.number, | |
3315 | phba->sli4_hba.link_state.logical_speed * 10, | |
3316 | phba->sli4_hba.link_state.fault); | |
3317 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3318 | if (!pmb) { | |
3319 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3320 | "2897 The mboxq allocation failed\n"); | |
3321 | return; | |
3322 | } | |
3323 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3324 | if (!mp) { | |
3325 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3326 | "2898 The lpfc_dmabuf allocation failed\n"); | |
3327 | goto out_free_pmb; | |
3328 | } | |
3329 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3330 | if (!mp->virt) { | |
3331 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3332 | "2899 The mbuf allocation failed\n"); | |
3333 | goto out_free_dmabuf; | |
3334 | } | |
3335 | ||
3336 | /* Cleanup any outstanding ELS commands */ | |
3337 | lpfc_els_flush_all_cmd(phba); | |
3338 | ||
3339 | /* Block ELS IOCBs until we have done process link event */ | |
3340 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3341 | ||
3342 | /* Update link event statistics */ | |
3343 | phba->sli.slistat.link_event++; | |
3344 | ||
3345 | /* Create lpfc_handle_latt mailbox command from link ACQE */ | |
3346 | lpfc_read_topology(phba, pmb, mp); | |
3347 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
3348 | pmb->vport = phba->pport; | |
3349 | ||
3350 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3351 | if (rc == MBX_NOT_FINISHED) | |
3352 | goto out_free_dmabuf; | |
3353 | return; | |
3354 | ||
3355 | out_free_dmabuf: | |
3356 | kfree(mp); | |
3357 | out_free_pmb: | |
3358 | mempool_free(pmb, phba->mbox_mem_pool); | |
3359 | } | |
3360 | ||
3361 | /** | |
3362 | * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event | |
3363 | * @phba: pointer to lpfc hba data structure. | |
3364 | * @acqe_fc: pointer to the async SLI completion queue entry. | |
3365 | * | |
3366 | * This routine is to handle the SLI4 asynchronous SLI events. | |
3367 | **/ | |
3368 | static void | |
3369 | lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) | |
3370 | { | |
3371 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3372 | "2901 Async SLI event - Event Data1:x%08x Event Data2:" | |
3373 | "x%08x SLI Event Type:%d", | |
3374 | acqe_sli->event_data1, acqe_sli->event_data2, | |
3375 | bf_get(lpfc_trailer_type, acqe_sli)); | |
3376 | return; | |
3377 | } | |
3378 | ||
fc2b989b JS |
3379 | /** |
3380 | * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport | |
3381 | * @vport: pointer to vport data structure. | |
3382 | * | |
3383 | * This routine is to perform Clear Virtual Link (CVL) on a vport in | |
3384 | * response to a CVL event. | |
3385 | * | |
3386 | * Return the pointer to the ndlp with the vport if successful, otherwise | |
3387 | * return NULL. | |
3388 | **/ | |
3389 | static struct lpfc_nodelist * | |
3390 | lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) | |
3391 | { | |
3392 | struct lpfc_nodelist *ndlp; | |
3393 | struct Scsi_Host *shost; | |
3394 | struct lpfc_hba *phba; | |
3395 | ||
3396 | if (!vport) | |
3397 | return NULL; | |
fc2b989b JS |
3398 | phba = vport->phba; |
3399 | if (!phba) | |
3400 | return NULL; | |
78730cfe JS |
3401 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
3402 | if (!ndlp) { | |
3403 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
3404 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
3405 | if (!ndlp) | |
3406 | return 0; | |
3407 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
3408 | /* Set the node type */ | |
3409 | ndlp->nlp_type |= NLP_FABRIC; | |
3410 | /* Put ndlp onto node list */ | |
3411 | lpfc_enqueue_node(vport, ndlp); | |
3412 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
3413 | /* re-setup ndlp without removing from node list */ | |
3414 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
3415 | if (!ndlp) | |
3416 | return 0; | |
3417 | } | |
63e801ce JS |
3418 | if ((phba->pport->port_state < LPFC_FLOGI) && |
3419 | (phba->pport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
3420 | return NULL; |
3421 | /* If virtual link is not yet instantiated ignore CVL */ | |
63e801ce JS |
3422 | if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) |
3423 | && (vport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
3424 | return NULL; |
3425 | shost = lpfc_shost_from_vport(vport); | |
3426 | if (!shost) | |
3427 | return NULL; | |
3428 | lpfc_linkdown_port(vport); | |
3429 | lpfc_cleanup_pending_mbox(vport); | |
3430 | spin_lock_irq(shost->host_lock); | |
3431 | vport->fc_flag |= FC_VPORT_CVL_RCVD; | |
3432 | spin_unlock_irq(shost->host_lock); | |
3433 | ||
3434 | return ndlp; | |
3435 | } | |
3436 | ||
3437 | /** | |
3438 | * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports | |
3439 | * @vport: pointer to lpfc hba data structure. | |
3440 | * | |
3441 | * This routine is to perform Clear Virtual Link (CVL) on all vports in | |
3442 | * response to a FCF dead event. | |
3443 | **/ | |
3444 | static void | |
3445 | lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) | |
3446 | { | |
3447 | struct lpfc_vport **vports; | |
3448 | int i; | |
3449 | ||
3450 | vports = lpfc_create_vport_work_array(phba); | |
3451 | if (vports) | |
3452 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
3453 | lpfc_sli4_perform_vport_cvl(vports[i]); | |
3454 | lpfc_destroy_vport_work_array(phba, vports); | |
3455 | } | |
3456 | ||
da0436e9 | 3457 | /** |
76a95d75 | 3458 | * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event |
da0436e9 JS |
3459 | * @phba: pointer to lpfc hba data structure. |
3460 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
3461 | * | |
3462 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
3463 | **/ | |
3464 | static void | |
76a95d75 | 3465 | lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, |
70f3c073 | 3466 | struct lpfc_acqe_fip *acqe_fip) |
da0436e9 | 3467 | { |
70f3c073 | 3468 | uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); |
da0436e9 | 3469 | int rc; |
6669f9bb JS |
3470 | struct lpfc_vport *vport; |
3471 | struct lpfc_nodelist *ndlp; | |
3472 | struct Scsi_Host *shost; | |
695a814e JS |
3473 | int active_vlink_present; |
3474 | struct lpfc_vport **vports; | |
3475 | int i; | |
da0436e9 | 3476 | |
70f3c073 JS |
3477 | phba->fc_eventTag = acqe_fip->event_tag; |
3478 | phba->fcoe_eventtag = acqe_fip->event_tag; | |
da0436e9 | 3479 | switch (event_type) { |
70f3c073 JS |
3480 | case LPFC_FIP_EVENT_TYPE_NEW_FCF: |
3481 | case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: | |
3482 | if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) | |
999d813f JS |
3483 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
3484 | LOG_DISCOVERY, | |
a93ff37a JS |
3485 | "2546 New FCF event, evt_tag:x%x, " |
3486 | "index:x%x\n", | |
70f3c073 JS |
3487 | acqe_fip->event_tag, |
3488 | acqe_fip->index); | |
999d813f JS |
3489 | else |
3490 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | | |
3491 | LOG_DISCOVERY, | |
a93ff37a JS |
3492 | "2788 FCF param modified event, " |
3493 | "evt_tag:x%x, index:x%x\n", | |
70f3c073 JS |
3494 | acqe_fip->event_tag, |
3495 | acqe_fip->index); | |
38b92ef8 | 3496 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
0c9ab6f5 JS |
3497 | /* |
3498 | * During period of FCF discovery, read the FCF | |
3499 | * table record indexed by the event to update | |
a93ff37a | 3500 | * FCF roundrobin failover eligible FCF bmask. |
0c9ab6f5 JS |
3501 | */ |
3502 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | | |
3503 | LOG_DISCOVERY, | |
a93ff37a JS |
3504 | "2779 Read FCF (x%x) for updating " |
3505 | "roundrobin FCF failover bmask\n", | |
70f3c073 JS |
3506 | acqe_fip->index); |
3507 | rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); | |
0c9ab6f5 | 3508 | } |
38b92ef8 JS |
3509 | |
3510 | /* If the FCF discovery is in progress, do nothing. */ | |
3804dc84 | 3511 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 3512 | if (phba->hba_flag & FCF_TS_INPROG) { |
38b92ef8 JS |
3513 | spin_unlock_irq(&phba->hbalock); |
3514 | break; | |
3515 | } | |
3516 | /* If fast FCF failover rescan event is pending, do nothing */ | |
3517 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { | |
3518 | spin_unlock_irq(&phba->hbalock); | |
3519 | break; | |
3520 | } | |
3521 | ||
3522 | /* If the FCF has been in discovered state, do nothing. */ | |
3804dc84 JS |
3523 | if (phba->fcf.fcf_flag & FCF_SCAN_DONE) { |
3524 | spin_unlock_irq(&phba->hbalock); | |
3525 | break; | |
3526 | } | |
3527 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 | 3528 | |
0c9ab6f5 JS |
3529 | /* Otherwise, scan the entire FCF table and re-discover SAN */ |
3530 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
a93ff37a JS |
3531 | "2770 Start FCF table scan per async FCF " |
3532 | "event, evt_tag:x%x, index:x%x\n", | |
70f3c073 | 3533 | acqe_fip->event_tag, acqe_fip->index); |
0c9ab6f5 JS |
3534 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
3535 | LPFC_FCOE_FCF_GET_FIRST); | |
da0436e9 | 3536 | if (rc) |
0c9ab6f5 JS |
3537 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
3538 | "2547 Issue FCF scan read FCF mailbox " | |
a93ff37a | 3539 | "command failed (x%x)\n", rc); |
da0436e9 JS |
3540 | break; |
3541 | ||
70f3c073 | 3542 | case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: |
da0436e9 | 3543 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e4e74273 | 3544 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
70f3c073 JS |
3545 | bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), |
3546 | acqe_fip->event_tag); | |
da0436e9 JS |
3547 | break; |
3548 | ||
70f3c073 | 3549 | case LPFC_FIP_EVENT_TYPE_FCF_DEAD: |
0c9ab6f5 | 3550 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 3551 | "2549 FCF (x%x) disconnected from network, " |
70f3c073 | 3552 | "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); |
38b92ef8 JS |
3553 | /* |
3554 | * If we are in the middle of FCF failover process, clear | |
3555 | * the corresponding FCF bit in the roundrobin bitmap. | |
da0436e9 | 3556 | */ |
fc2b989b | 3557 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 3558 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b | 3559 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 | 3560 | /* Update FLOGI FCF failover eligible FCF bmask */ |
70f3c073 | 3561 | lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); |
fc2b989b JS |
3562 | break; |
3563 | } | |
38b92ef8 JS |
3564 | spin_unlock_irq(&phba->hbalock); |
3565 | ||
3566 | /* If the event is not for currently used fcf do nothing */ | |
70f3c073 | 3567 | if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) |
38b92ef8 JS |
3568 | break; |
3569 | ||
3570 | /* | |
3571 | * Otherwise, request the port to rediscover the entire FCF | |
3572 | * table for a fast recovery from case that the current FCF | |
3573 | * is no longer valid as we are not in the middle of FCF | |
3574 | * failover process already. | |
3575 | */ | |
3576 | spin_lock_irq(&phba->hbalock); | |
fc2b989b | 3577 | /* Mark the fast failover process in progress */ |
0c9ab6f5 | 3578 | phba->fcf.fcf_flag |= FCF_DEAD_DISC; |
fc2b989b | 3579 | spin_unlock_irq(&phba->hbalock); |
38b92ef8 | 3580 | |
0c9ab6f5 JS |
3581 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
3582 | "2771 Start FCF fast failover process due to " | |
3583 | "FCF DEAD event: evt_tag:x%x, fcf_index:x%x " | |
70f3c073 | 3584 | "\n", acqe_fip->event_tag, acqe_fip->index); |
fc2b989b JS |
3585 | rc = lpfc_sli4_redisc_fcf_table(phba); |
3586 | if (rc) { | |
0c9ab6f5 JS |
3587 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
3588 | LOG_DISCOVERY, | |
3589 | "2772 Issue FCF rediscover mabilbox " | |
3590 | "command failed, fail through to FCF " | |
3591 | "dead event\n"); | |
fc2b989b | 3592 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 3593 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
3594 | spin_unlock_irq(&phba->hbalock); |
3595 | /* | |
3596 | * Last resort will fail over by treating this | |
3597 | * as a link down to FCF registration. | |
3598 | */ | |
3599 | lpfc_sli4_fcf_dead_failthrough(phba); | |
38b92ef8 JS |
3600 | } else { |
3601 | /* Reset FCF roundrobin bmask for new discovery */ | |
3602 | memset(phba->fcf.fcf_rr_bmask, 0, | |
3603 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
3604 | /* | |
3605 | * Handling fast FCF failover to a DEAD FCF event is | |
3606 | * considered equalivant to receiving CVL to all vports. | |
fc2b989b JS |
3607 | */ |
3608 | lpfc_sli4_perform_all_vport_cvl(phba); | |
38b92ef8 | 3609 | } |
da0436e9 | 3610 | break; |
70f3c073 | 3611 | case LPFC_FIP_EVENT_TYPE_CVL: |
0c9ab6f5 | 3612 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
6669f9bb | 3613 | "2718 Clear Virtual Link Received for VPI 0x%x" |
70f3c073 | 3614 | " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); |
6669f9bb | 3615 | vport = lpfc_find_vport_by_vpid(phba, |
70f3c073 | 3616 | acqe_fip->index - phba->vpi_base); |
fc2b989b | 3617 | ndlp = lpfc_sli4_perform_vport_cvl(vport); |
6669f9bb JS |
3618 | if (!ndlp) |
3619 | break; | |
695a814e JS |
3620 | active_vlink_present = 0; |
3621 | ||
3622 | vports = lpfc_create_vport_work_array(phba); | |
3623 | if (vports) { | |
3624 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
3625 | i++) { | |
3626 | if ((!(vports[i]->fc_flag & | |
3627 | FC_VPORT_CVL_RCVD)) && | |
3628 | (vports[i]->port_state > LPFC_FDISC)) { | |
3629 | active_vlink_present = 1; | |
3630 | break; | |
3631 | } | |
3632 | } | |
3633 | lpfc_destroy_vport_work_array(phba, vports); | |
3634 | } | |
3635 | ||
3636 | if (active_vlink_present) { | |
3637 | /* | |
3638 | * If there are other active VLinks present, | |
3639 | * re-instantiate the Vlink using FDISC. | |
3640 | */ | |
6669f9bb | 3641 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); |
fc2b989b | 3642 | shost = lpfc_shost_from_vport(vport); |
6669f9bb JS |
3643 | spin_lock_irq(shost->host_lock); |
3644 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
3645 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
3646 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
3647 | vport->port_state = LPFC_FDISC; | |
3648 | } else { | |
ecfd03c6 JS |
3649 | /* |
3650 | * Otherwise, we request port to rediscover | |
3651 | * the entire FCF table for a fast recovery | |
3652 | * from possible case that the current FCF | |
0c9ab6f5 JS |
3653 | * is no longer valid if we are not already |
3654 | * in the FCF failover process. | |
ecfd03c6 | 3655 | */ |
fc2b989b | 3656 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 3657 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b JS |
3658 | spin_unlock_irq(&phba->hbalock); |
3659 | break; | |
3660 | } | |
3661 | /* Mark the fast failover process in progress */ | |
0c9ab6f5 | 3662 | phba->fcf.fcf_flag |= FCF_ACVL_DISC; |
fc2b989b | 3663 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
3664 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | |
3665 | LOG_DISCOVERY, | |
a93ff37a | 3666 | "2773 Start FCF failover per CVL, " |
70f3c073 | 3667 | "evt_tag:x%x\n", acqe_fip->event_tag); |
ecfd03c6 | 3668 | rc = lpfc_sli4_redisc_fcf_table(phba); |
fc2b989b | 3669 | if (rc) { |
0c9ab6f5 JS |
3670 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
3671 | LOG_DISCOVERY, | |
3672 | "2774 Issue FCF rediscover " | |
3673 | "mabilbox command failed, " | |
3674 | "through to CVL event\n"); | |
fc2b989b | 3675 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 3676 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b | 3677 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
3678 | /* |
3679 | * Last resort will be re-try on the | |
3680 | * the current registered FCF entry. | |
3681 | */ | |
3682 | lpfc_retry_pport_discovery(phba); | |
38b92ef8 JS |
3683 | } else |
3684 | /* | |
3685 | * Reset FCF roundrobin bmask for new | |
3686 | * discovery. | |
3687 | */ | |
3688 | memset(phba->fcf.fcf_rr_bmask, 0, | |
3689 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
6669f9bb JS |
3690 | } |
3691 | break; | |
da0436e9 JS |
3692 | default: |
3693 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3694 | "0288 Unknown FCoE event type 0x%x event tag " | |
70f3c073 | 3695 | "0x%x\n", event_type, acqe_fip->event_tag); |
da0436e9 JS |
3696 | break; |
3697 | } | |
3698 | } | |
3699 | ||
3700 | /** | |
3701 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
3702 | * @phba: pointer to lpfc hba data structure. | |
3703 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
3704 | * | |
3705 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
3706 | **/ | |
3707 | static void | |
3708 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
3709 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
3710 | { | |
4d9ab994 | 3711 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
3712 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
3713 | "0290 The SLI4 DCBX asynchronous event is not " | |
3714 | "handled yet\n"); | |
3715 | } | |
3716 | ||
b19a061a JS |
3717 | /** |
3718 | * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event | |
3719 | * @phba: pointer to lpfc hba data structure. | |
3720 | * @acqe_link: pointer to the async grp5 completion queue entry. | |
3721 | * | |
3722 | * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event | |
3723 | * is an asynchronous notified of a logical link speed change. The Port | |
3724 | * reports the logical link speed in units of 10Mbps. | |
3725 | **/ | |
3726 | static void | |
3727 | lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, | |
3728 | struct lpfc_acqe_grp5 *acqe_grp5) | |
3729 | { | |
3730 | uint16_t prev_ll_spd; | |
3731 | ||
3732 | phba->fc_eventTag = acqe_grp5->event_tag; | |
3733 | phba->fcoe_eventtag = acqe_grp5->event_tag; | |
3734 | prev_ll_spd = phba->sli4_hba.link_state.logical_speed; | |
3735 | phba->sli4_hba.link_state.logical_speed = | |
3736 | (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)); | |
3737 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3738 | "2789 GRP5 Async Event: Updating logical link speed " | |
3739 | "from %dMbps to %dMbps\n", (prev_ll_spd * 10), | |
3740 | (phba->sli4_hba.link_state.logical_speed*10)); | |
3741 | } | |
3742 | ||
da0436e9 JS |
3743 | /** |
3744 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
3745 | * @phba: pointer to lpfc hba data structure. | |
3746 | * | |
3747 | * This routine is invoked by the worker thread to process all the pending | |
3748 | * SLI4 asynchronous events. | |
3749 | **/ | |
3750 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
3751 | { | |
3752 | struct lpfc_cq_event *cq_event; | |
3753 | ||
3754 | /* First, declare the async event has been handled */ | |
3755 | spin_lock_irq(&phba->hbalock); | |
3756 | phba->hba_flag &= ~ASYNC_EVENT; | |
3757 | spin_unlock_irq(&phba->hbalock); | |
3758 | /* Now, handle all the async events */ | |
3759 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
3760 | /* Get the first event from the head of the event queue */ | |
3761 | spin_lock_irq(&phba->hbalock); | |
3762 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
3763 | cq_event, struct lpfc_cq_event, list); | |
3764 | spin_unlock_irq(&phba->hbalock); | |
3765 | /* Process the asynchronous event */ | |
3766 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
3767 | case LPFC_TRAILER_CODE_LINK: | |
3768 | lpfc_sli4_async_link_evt(phba, | |
3769 | &cq_event->cqe.acqe_link); | |
3770 | break; | |
3771 | case LPFC_TRAILER_CODE_FCOE: | |
70f3c073 | 3772 | lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); |
da0436e9 JS |
3773 | break; |
3774 | case LPFC_TRAILER_CODE_DCBX: | |
3775 | lpfc_sli4_async_dcbx_evt(phba, | |
3776 | &cq_event->cqe.acqe_dcbx); | |
3777 | break; | |
b19a061a JS |
3778 | case LPFC_TRAILER_CODE_GRP5: |
3779 | lpfc_sli4_async_grp5_evt(phba, | |
3780 | &cq_event->cqe.acqe_grp5); | |
3781 | break; | |
70f3c073 JS |
3782 | case LPFC_TRAILER_CODE_FC: |
3783 | lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); | |
3784 | break; | |
3785 | case LPFC_TRAILER_CODE_SLI: | |
3786 | lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); | |
3787 | break; | |
da0436e9 JS |
3788 | default: |
3789 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3790 | "1804 Invalid asynchrous event code: " | |
3791 | "x%x\n", bf_get(lpfc_trailer_code, | |
3792 | &cq_event->cqe.mcqe_cmpl)); | |
3793 | break; | |
3794 | } | |
3795 | /* Free the completion event processed to the free pool */ | |
3796 | lpfc_sli4_cq_event_release(phba, cq_event); | |
3797 | } | |
3798 | } | |
3799 | ||
ecfd03c6 JS |
3800 | /** |
3801 | * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event | |
3802 | * @phba: pointer to lpfc hba data structure. | |
3803 | * | |
3804 | * This routine is invoked by the worker thread to process FCF table | |
3805 | * rediscovery pending completion event. | |
3806 | **/ | |
3807 | void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) | |
3808 | { | |
3809 | int rc; | |
3810 | ||
3811 | spin_lock_irq(&phba->hbalock); | |
3812 | /* Clear FCF rediscovery timeout event */ | |
3813 | phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; | |
3814 | /* Clear driver fast failover FCF record flag */ | |
3815 | phba->fcf.failover_rec.flag = 0; | |
3816 | /* Set state for FCF fast failover */ | |
3817 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
3818 | spin_unlock_irq(&phba->hbalock); | |
3819 | ||
3820 | /* Scan FCF table from the first entry to re-discover SAN */ | |
0c9ab6f5 | 3821 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 3822 | "2777 Start post-quiescent FCF table scan\n"); |
0c9ab6f5 | 3823 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
ecfd03c6 | 3824 | if (rc) |
0c9ab6f5 JS |
3825 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
3826 | "2747 Issue FCF scan read FCF mailbox " | |
3827 | "command failed 0x%x\n", rc); | |
ecfd03c6 JS |
3828 | } |
3829 | ||
da0436e9 JS |
3830 | /** |
3831 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
3832 | * @phba: pointer to lpfc hba data structure. | |
3833 | * @dev_grp: The HBA PCI-Device group number. | |
3834 | * | |
3835 | * This routine is invoked to set up the per HBA PCI-Device group function | |
3836 | * API jump table entries. | |
3837 | * | |
3838 | * Return: 0 if success, otherwise -ENODEV | |
3839 | **/ | |
3840 | int | |
3841 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
3842 | { | |
3843 | int rc; | |
3844 | ||
3845 | /* Set up lpfc PCI-device group */ | |
3846 | phba->pci_dev_grp = dev_grp; | |
3847 | ||
3848 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
3849 | if (dev_grp == LPFC_PCI_DEV_OC) | |
3850 | phba->sli_rev = LPFC_SLI_REV4; | |
3851 | ||
3852 | /* Set up device INIT API function jump table */ | |
3853 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
3854 | if (rc) | |
3855 | return -ENODEV; | |
3856 | /* Set up SCSI API function jump table */ | |
3857 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
3858 | if (rc) | |
3859 | return -ENODEV; | |
3860 | /* Set up SLI API function jump table */ | |
3861 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
3862 | if (rc) | |
3863 | return -ENODEV; | |
3864 | /* Set up MBOX API function jump table */ | |
3865 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
3866 | if (rc) | |
3867 | return -ENODEV; | |
3868 | ||
3869 | return 0; | |
5b75da2f JS |
3870 | } |
3871 | ||
3872 | /** | |
3621a710 | 3873 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
3874 | * @phba: pointer to lpfc hba data structure. |
3875 | * @intr_mode: active interrupt mode adopted. | |
3876 | * | |
3877 | * This routine it invoked to log the currently used active interrupt mode | |
3878 | * to the device. | |
3772a991 JS |
3879 | **/ |
3880 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
3881 | { |
3882 | switch (intr_mode) { | |
3883 | case 0: | |
3884 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3885 | "0470 Enable INTx interrupt mode.\n"); | |
3886 | break; | |
3887 | case 1: | |
3888 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3889 | "0481 Enabled MSI interrupt mode.\n"); | |
3890 | break; | |
3891 | case 2: | |
3892 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3893 | "0480 Enabled MSI-X interrupt mode.\n"); | |
3894 | break; | |
3895 | default: | |
3896 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3897 | "0482 Illegal interrupt mode.\n"); | |
3898 | break; | |
3899 | } | |
3900 | return; | |
3901 | } | |
3902 | ||
5b75da2f | 3903 | /** |
3772a991 | 3904 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
3905 | * @phba: pointer to lpfc hba data structure. |
3906 | * | |
3772a991 JS |
3907 | * This routine is invoked to enable the PCI device that is common to all |
3908 | * PCI devices. | |
5b75da2f JS |
3909 | * |
3910 | * Return codes | |
af901ca1 | 3911 | * 0 - successful |
3772a991 | 3912 | * other values - error |
5b75da2f | 3913 | **/ |
3772a991 JS |
3914 | static int |
3915 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 3916 | { |
3772a991 JS |
3917 | struct pci_dev *pdev; |
3918 | int bars; | |
5b75da2f | 3919 | |
3772a991 JS |
3920 | /* Obtain PCI device reference */ |
3921 | if (!phba->pcidev) | |
3922 | goto out_error; | |
3923 | else | |
3924 | pdev = phba->pcidev; | |
3925 | /* Select PCI BARs */ | |
3926 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
3927 | /* Enable PCI device */ | |
3928 | if (pci_enable_device_mem(pdev)) | |
3929 | goto out_error; | |
3930 | /* Request PCI resource for the device */ | |
3931 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) | |
3932 | goto out_disable_device; | |
3933 | /* Set up device as PCI master and save state for EEH */ | |
3934 | pci_set_master(pdev); | |
3935 | pci_try_set_mwi(pdev); | |
3936 | pci_save_state(pdev); | |
5b75da2f | 3937 | |
3772a991 | 3938 | return 0; |
5b75da2f | 3939 | |
3772a991 JS |
3940 | out_disable_device: |
3941 | pci_disable_device(pdev); | |
3942 | out_error: | |
3943 | return -ENODEV; | |
5b75da2f JS |
3944 | } |
3945 | ||
3946 | /** | |
3772a991 | 3947 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
3948 | * @phba: pointer to lpfc hba data structure. |
3949 | * | |
3772a991 JS |
3950 | * This routine is invoked to disable the PCI device that is common to all |
3951 | * PCI devices. | |
5b75da2f JS |
3952 | **/ |
3953 | static void | |
3772a991 | 3954 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 3955 | { |
3772a991 JS |
3956 | struct pci_dev *pdev; |
3957 | int bars; | |
5b75da2f | 3958 | |
3772a991 JS |
3959 | /* Obtain PCI device reference */ |
3960 | if (!phba->pcidev) | |
3961 | return; | |
3962 | else | |
3963 | pdev = phba->pcidev; | |
3964 | /* Select PCI BARs */ | |
3965 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
3966 | /* Release PCI resource and disable PCI device */ | |
3967 | pci_release_selected_regions(pdev, bars); | |
3968 | pci_disable_device(pdev); | |
3969 | /* Null out PCI private reference to driver */ | |
3970 | pci_set_drvdata(pdev, NULL); | |
5b75da2f JS |
3971 | |
3972 | return; | |
3973 | } | |
3974 | ||
e59058c4 | 3975 | /** |
3772a991 JS |
3976 | * lpfc_reset_hba - Reset a hba |
3977 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 3978 | * |
3772a991 JS |
3979 | * This routine is invoked to reset a hba device. It brings the HBA |
3980 | * offline, performs a board restart, and then brings the board back | |
3981 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
3982 | * on outstanding mailbox commands. | |
e59058c4 | 3983 | **/ |
3772a991 JS |
3984 | void |
3985 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 3986 | { |
3772a991 JS |
3987 | /* If resets are disabled then set error state and return. */ |
3988 | if (!phba->cfg_enable_hba_reset) { | |
3989 | phba->link_state = LPFC_HBA_ERROR; | |
3990 | return; | |
3991 | } | |
3992 | lpfc_offline_prep(phba); | |
3993 | lpfc_offline(phba); | |
3994 | lpfc_sli_brdrestart(phba); | |
3995 | lpfc_online(phba); | |
3996 | lpfc_unblock_mgmt_io(phba); | |
3997 | } | |
dea3101e | 3998 | |
3772a991 JS |
3999 | /** |
4000 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev. | |
4001 | * @phba: pointer to lpfc hba data structure. | |
4002 | * | |
4003 | * This routine is invoked to set up the driver internal resources specific to | |
4004 | * support the SLI-3 HBA device it attached to. | |
4005 | * | |
4006 | * Return codes | |
af901ca1 | 4007 | * 0 - successful |
3772a991 JS |
4008 | * other values - error |
4009 | **/ | |
4010 | static int | |
4011 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
4012 | { | |
4013 | struct lpfc_sli *psli; | |
dea3101e | 4014 | |
2e0fef85 | 4015 | /* |
3772a991 | 4016 | * Initialize timers used by driver |
2e0fef85 | 4017 | */ |
dea3101e | 4018 | |
3772a991 | 4019 | /* Heartbeat timer */ |
858c9f6c JS |
4020 | init_timer(&phba->hb_tmofunc); |
4021 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4022 | phba->hb_tmofunc.data = (unsigned long)phba; | |
4023 | ||
dea3101e | 4024 | psli = &phba->sli; |
3772a991 | 4025 | /* MBOX heartbeat timer */ |
dea3101e JB |
4026 | init_timer(&psli->mbox_tmo); |
4027 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 4028 | psli->mbox_tmo.data = (unsigned long) phba; |
3772a991 | 4029 | /* FCP polling mode timer */ |
875fbdfe JSEC |
4030 | init_timer(&phba->fcp_poll_timer); |
4031 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 4032 | phba->fcp_poll_timer.data = (unsigned long) phba; |
3772a991 | 4033 | /* Fabric block timer */ |
92d7f7b0 JS |
4034 | init_timer(&phba->fabric_block_timer); |
4035 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4036 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3772a991 | 4037 | /* EA polling mode timer */ |
9399627f JS |
4038 | init_timer(&phba->eratt_poll); |
4039 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4040 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 4041 | |
3772a991 JS |
4042 | /* Host attention work mask setup */ |
4043 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
4044 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 4045 | |
3772a991 JS |
4046 | /* Get all the module params for configuring this host */ |
4047 | lpfc_get_cfgparam(phba); | |
49198b37 JS |
4048 | if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { |
4049 | phba->menlo_flag |= HBA_MENLO_SUPPORT; | |
4050 | /* check for menlo minimum sg count */ | |
4051 | if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) | |
4052 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; | |
4053 | } | |
4054 | ||
dea3101e | 4055 | /* |
3772a991 JS |
4056 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
4057 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
4058 | * 2 segments are added since the IOCB needs a command and response bde. | |
dea3101e | 4059 | */ |
3772a991 JS |
4060 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
4061 | sizeof(struct fcp_rsp) + | |
4062 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
4063 | ||
4064 | if (phba->cfg_enable_bg) { | |
4065 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
4066 | phba->cfg_sg_dma_buf_size += | |
4067 | phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64); | |
901a920f | 4068 | } |
dea3101e | 4069 | |
3772a991 JS |
4070 | /* Also reinitialize the host templates with new values. */ |
4071 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4072 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
dea3101e | 4073 | |
3772a991 JS |
4074 | phba->max_vpi = LPFC_MAX_VPI; |
4075 | /* This will be set to correct value after config_port mbox */ | |
4076 | phba->max_vports = 0; | |
dea3101e | 4077 | |
3772a991 JS |
4078 | /* |
4079 | * Initialize the SLI Layer to run with lpfc HBAs. | |
4080 | */ | |
4081 | lpfc_sli_setup(phba); | |
4082 | lpfc_sli_queue_setup(phba); | |
ed957684 | 4083 | |
3772a991 JS |
4084 | /* Allocate device driver memory */ |
4085 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
4086 | return -ENOMEM; | |
51ef4c26 | 4087 | |
3772a991 JS |
4088 | return 0; |
4089 | } | |
ed957684 | 4090 | |
3772a991 JS |
4091 | /** |
4092 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
4093 | * @phba: pointer to lpfc hba data structure. | |
4094 | * | |
4095 | * This routine is invoked to unset the driver internal resources set up | |
4096 | * specific for supporting the SLI-3 HBA device it attached to. | |
4097 | **/ | |
4098 | static void | |
4099 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
4100 | { | |
4101 | /* Free device driver memory allocated */ | |
4102 | lpfc_mem_free_all(phba); | |
3163f725 | 4103 | |
3772a991 JS |
4104 | return; |
4105 | } | |
dea3101e | 4106 | |
3772a991 | 4107 | /** |
da0436e9 | 4108 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
4109 | * @phba: pointer to lpfc hba data structure. |
4110 | * | |
da0436e9 JS |
4111 | * This routine is invoked to set up the driver internal resources specific to |
4112 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
4113 | * |
4114 | * Return codes | |
af901ca1 | 4115 | * 0 - successful |
da0436e9 | 4116 | * other values - error |
3772a991 JS |
4117 | **/ |
4118 | static int | |
da0436e9 | 4119 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 4120 | { |
da0436e9 | 4121 | struct lpfc_sli *psli; |
28baac74 JS |
4122 | LPFC_MBOXQ_t *mboxq; |
4123 | int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size; | |
4124 | uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; | |
4125 | struct lpfc_mqe *mqe; | |
085c647c | 4126 | int longs, sli_family; |
da0436e9 JS |
4127 | |
4128 | /* Before proceed, wait for POST done and device ready */ | |
4129 | rc = lpfc_sli4_post_status_check(phba); | |
4130 | if (rc) | |
4131 | return -ENODEV; | |
4132 | ||
3772a991 | 4133 | /* |
da0436e9 | 4134 | * Initialize timers used by driver |
3772a991 | 4135 | */ |
3772a991 | 4136 | |
da0436e9 JS |
4137 | /* Heartbeat timer */ |
4138 | init_timer(&phba->hb_tmofunc); | |
4139 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4140 | phba->hb_tmofunc.data = (unsigned long)phba; | |
19ca7609 JS |
4141 | init_timer(&phba->rrq_tmr); |
4142 | phba->rrq_tmr.function = lpfc_rrq_timeout; | |
4143 | phba->rrq_tmr.data = (unsigned long)phba; | |
3772a991 | 4144 | |
da0436e9 JS |
4145 | psli = &phba->sli; |
4146 | /* MBOX heartbeat timer */ | |
4147 | init_timer(&psli->mbox_tmo); | |
4148 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
4149 | psli->mbox_tmo.data = (unsigned long) phba; | |
4150 | /* Fabric block timer */ | |
4151 | init_timer(&phba->fabric_block_timer); | |
4152 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4153 | phba->fabric_block_timer.data = (unsigned long) phba; | |
4154 | /* EA polling mode timer */ | |
4155 | init_timer(&phba->eratt_poll); | |
4156 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4157 | phba->eratt_poll.data = (unsigned long) phba; | |
ecfd03c6 JS |
4158 | /* FCF rediscover timer */ |
4159 | init_timer(&phba->fcf.redisc_wait); | |
4160 | phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo; | |
4161 | phba->fcf.redisc_wait.data = (unsigned long)phba; | |
4162 | ||
da0436e9 JS |
4163 | /* |
4164 | * We need to do a READ_CONFIG mailbox command here before | |
4165 | * calling lpfc_get_cfgparam. For VFs this will report the | |
4166 | * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings. | |
4167 | * All of the resources allocated | |
4168 | * for this Port are tied to these values. | |
4169 | */ | |
4170 | /* Get all the module params for configuring this host */ | |
4171 | lpfc_get_cfgparam(phba); | |
4172 | phba->max_vpi = LPFC_MAX_VPI; | |
4173 | /* This will be set to correct value after the read_config mbox */ | |
4174 | phba->max_vports = 0; | |
3772a991 | 4175 | |
da0436e9 JS |
4176 | /* Program the default value of vlan_id and fc_map */ |
4177 | phba->valid_vlan = 0; | |
4178 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
4179 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
4180 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 4181 | |
da0436e9 JS |
4182 | /* |
4183 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
4184 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
4185 | * 2 segments are added since the IOCB needs a command and response bde. | |
4186 | * To insure that the scsi sgl does not cross a 4k page boundary only | |
28baac74 | 4187 | * sgl sizes of must be a power of 2. |
da0436e9 | 4188 | */ |
28baac74 JS |
4189 | buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + |
4190 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge))); | |
085c647c JS |
4191 | |
4192 | sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf); | |
4193 | max_buf_size = LPFC_SLI4_MAX_BUF_SIZE; | |
4194 | switch (sli_family) { | |
4195 | case LPFC_SLI_INTF_FAMILY_BE2: | |
4196 | case LPFC_SLI_INTF_FAMILY_BE3: | |
4197 | /* There is a single hint for BE - 2 pages per BPL. */ | |
4198 | if (bf_get(lpfc_sli_intf_sli_hint1, &phba->sli4_hba.sli_intf) == | |
4199 | LPFC_SLI_INTF_SLI_HINT1_1) | |
4200 | max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE; | |
4201 | break; | |
4202 | case LPFC_SLI_INTF_FAMILY_LNCR_A0: | |
4203 | case LPFC_SLI_INTF_FAMILY_LNCR_B0: | |
4204 | default: | |
4205 | break; | |
4206 | } | |
28baac74 JS |
4207 | for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE; |
4208 | dma_buf_size < max_buf_size && buf_size > dma_buf_size; | |
4209 | dma_buf_size = dma_buf_size << 1) | |
4210 | ; | |
4211 | if (dma_buf_size == max_buf_size) | |
4212 | phba->cfg_sg_seg_cnt = (dma_buf_size - | |
4213 | sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) - | |
4214 | (2 * sizeof(struct sli4_sge))) / | |
4215 | sizeof(struct sli4_sge); | |
4216 | phba->cfg_sg_dma_buf_size = dma_buf_size; | |
3772a991 | 4217 | |
da0436e9 JS |
4218 | /* Initialize buffer queue management fields */ |
4219 | hbq_count = lpfc_sli_hbq_count(); | |
4220 | for (i = 0; i < hbq_count; ++i) | |
4221 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
4222 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
4223 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; | |
4224 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 4225 | |
da0436e9 JS |
4226 | /* |
4227 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
4228 | */ | |
4229 | /* Initialize the Abort scsi buffer list used by driver */ | |
4230 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
4231 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
4232 | /* This abort list used by worker thread */ | |
4233 | spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); | |
3772a991 | 4234 | |
da0436e9 JS |
4235 | /* |
4236 | * Initialize dirver internal slow-path work queues | |
4237 | */ | |
3772a991 | 4238 | |
da0436e9 JS |
4239 | /* Driver internel slow-path CQ Event pool */ |
4240 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
4241 | /* Response IOCB work queue list */ | |
45ed1190 | 4242 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
4243 | /* Asynchronous event CQ Event work queue list */ |
4244 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
4245 | /* Fast-path XRI aborted CQ Event work queue list */ | |
4246 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
4247 | /* Slow-path XRI aborted CQ Event work queue list */ | |
4248 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
4249 | /* Receive queue CQ Event work queue list */ | |
4250 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
4251 | ||
4252 | /* Initialize the driver internal SLI layer lists. */ | |
4253 | lpfc_sli_setup(phba); | |
4254 | lpfc_sli_queue_setup(phba); | |
3772a991 | 4255 | |
da0436e9 JS |
4256 | /* Allocate device driver memory */ |
4257 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
4258 | if (rc) | |
4259 | return -ENOMEM; | |
4260 | ||
2fcee4bf JS |
4261 | /* IF Type 2 ports get initialized now. */ |
4262 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
4263 | LPFC_SLI_INTF_IF_TYPE_2) { | |
4264 | rc = lpfc_pci_function_reset(phba); | |
4265 | if (unlikely(rc)) | |
4266 | return -ENODEV; | |
4267 | } | |
4268 | ||
da0436e9 JS |
4269 | /* Create the bootstrap mailbox command */ |
4270 | rc = lpfc_create_bootstrap_mbox(phba); | |
4271 | if (unlikely(rc)) | |
4272 | goto out_free_mem; | |
4273 | ||
4274 | /* Set up the host's endian order with the device. */ | |
4275 | rc = lpfc_setup_endian_order(phba); | |
4276 | if (unlikely(rc)) | |
4277 | goto out_free_bsmbx; | |
4278 | ||
4279 | /* Set up the hba's configuration parameters. */ | |
4280 | rc = lpfc_sli4_read_config(phba); | |
4281 | if (unlikely(rc)) | |
4282 | goto out_free_bsmbx; | |
4283 | ||
2fcee4bf JS |
4284 | /* IF Type 0 ports get initialized now. */ |
4285 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
4286 | LPFC_SLI_INTF_IF_TYPE_0) { | |
4287 | rc = lpfc_pci_function_reset(phba); | |
4288 | if (unlikely(rc)) | |
4289 | goto out_free_bsmbx; | |
4290 | } | |
da0436e9 | 4291 | |
cb5172ea JS |
4292 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
4293 | GFP_KERNEL); | |
4294 | if (!mboxq) { | |
4295 | rc = -ENOMEM; | |
4296 | goto out_free_bsmbx; | |
4297 | } | |
4298 | ||
fedd3b7b | 4299 | /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ |
cb5172ea JS |
4300 | lpfc_supported_pages(mboxq); |
4301 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
fedd3b7b JS |
4302 | if (!rc) { |
4303 | mqe = &mboxq->u.mqe; | |
4304 | memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), | |
4305 | LPFC_MAX_SUPPORTED_PAGES); | |
4306 | for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { | |
4307 | switch (pn_page[i]) { | |
4308 | case LPFC_SLI4_PARAMETERS: | |
4309 | phba->sli4_hba.pc_sli4_params.supported = 1; | |
4310 | break; | |
4311 | default: | |
4312 | break; | |
4313 | } | |
4314 | } | |
4315 | /* Read the port's SLI4 Parameters capabilities if supported. */ | |
4316 | if (phba->sli4_hba.pc_sli4_params.supported) | |
4317 | rc = lpfc_pc_sli4_params_get(phba, mboxq); | |
4318 | if (rc) { | |
4319 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4320 | rc = -EIO; | |
4321 | goto out_free_bsmbx; | |
cb5172ea JS |
4322 | } |
4323 | } | |
fedd3b7b JS |
4324 | /* |
4325 | * Get sli4 parameters that override parameters from Port capabilities. | |
4326 | * If this call fails it is not a critical error so continue loading. | |
4327 | */ | |
4328 | lpfc_get_sli4_parameters(phba, mboxq); | |
cb5172ea | 4329 | mempool_free(mboxq, phba->mbox_mem_pool); |
da0436e9 JS |
4330 | /* Create all the SLI4 queues */ |
4331 | rc = lpfc_sli4_queue_create(phba); | |
4332 | if (rc) | |
4333 | goto out_free_bsmbx; | |
4334 | ||
4335 | /* Create driver internal CQE event pool */ | |
4336 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
4337 | if (rc) | |
4338 | goto out_destroy_queue; | |
4339 | ||
4340 | /* Initialize and populate the iocb list per host */ | |
4341 | rc = lpfc_init_sgl_list(phba); | |
4342 | if (rc) { | |
4343 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4344 | "1400 Failed to initialize sgl list.\n"); | |
4345 | goto out_destroy_cq_event_pool; | |
4346 | } | |
4347 | rc = lpfc_init_active_sgl_array(phba); | |
4348 | if (rc) { | |
4349 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4350 | "1430 Failed to initialize sgl list.\n"); | |
4351 | goto out_free_sgl_list; | |
4352 | } | |
4353 | ||
4354 | rc = lpfc_sli4_init_rpi_hdrs(phba); | |
4355 | if (rc) { | |
4356 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4357 | "1432 Failed to initialize rpi headers.\n"); | |
4358 | goto out_free_active_sgl; | |
4359 | } | |
4360 | ||
a93ff37a | 4361 | /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ |
0c9ab6f5 JS |
4362 | longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; |
4363 | phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), | |
4364 | GFP_KERNEL); | |
4365 | if (!phba->fcf.fcf_rr_bmask) { | |
4366 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4367 | "2759 Failed allocate memory for FCF round " | |
4368 | "robin failover bmask\n"); | |
4369 | goto out_remove_rpi_hdrs; | |
4370 | } | |
4371 | ||
da0436e9 JS |
4372 | phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * |
4373 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
4374 | if (!phba->sli4_hba.fcp_eq_hdl) { | |
4375 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4376 | "2572 Failed allocate memory for fast-path " | |
4377 | "per-EQ handle array\n"); | |
0c9ab6f5 | 4378 | goto out_free_fcf_rr_bmask; |
da0436e9 JS |
4379 | } |
4380 | ||
4381 | phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * | |
4382 | phba->sli4_hba.cfg_eqn), GFP_KERNEL); | |
4383 | if (!phba->sli4_hba.msix_entries) { | |
4384 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4385 | "2573 Failed allocate memory for msi-x " | |
4386 | "interrupt vector entries\n"); | |
4387 | goto out_free_fcp_eq_hdl; | |
4388 | } | |
4389 | ||
4390 | return rc; | |
4391 | ||
4392 | out_free_fcp_eq_hdl: | |
4393 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
0c9ab6f5 JS |
4394 | out_free_fcf_rr_bmask: |
4395 | kfree(phba->fcf.fcf_rr_bmask); | |
da0436e9 JS |
4396 | out_remove_rpi_hdrs: |
4397 | lpfc_sli4_remove_rpi_hdrs(phba); | |
4398 | out_free_active_sgl: | |
4399 | lpfc_free_active_sgl(phba); | |
4400 | out_free_sgl_list: | |
4401 | lpfc_free_sgl_list(phba); | |
4402 | out_destroy_cq_event_pool: | |
4403 | lpfc_sli4_cq_event_pool_destroy(phba); | |
4404 | out_destroy_queue: | |
4405 | lpfc_sli4_queue_destroy(phba); | |
4406 | out_free_bsmbx: | |
4407 | lpfc_destroy_bootstrap_mbox(phba); | |
4408 | out_free_mem: | |
4409 | lpfc_mem_free(phba); | |
4410 | return rc; | |
4411 | } | |
4412 | ||
4413 | /** | |
4414 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
4415 | * @phba: pointer to lpfc hba data structure. | |
4416 | * | |
4417 | * This routine is invoked to unset the driver internal resources set up | |
4418 | * specific for supporting the SLI-4 HBA device it attached to. | |
4419 | **/ | |
4420 | static void | |
4421 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
4422 | { | |
4423 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
4424 | ||
da0436e9 JS |
4425 | /* Free memory allocated for msi-x interrupt vector entries */ |
4426 | kfree(phba->sli4_hba.msix_entries); | |
4427 | ||
4428 | /* Free memory allocated for fast-path work queue handles */ | |
4429 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
4430 | ||
4431 | /* Free the allocated rpi headers. */ | |
4432 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 4433 | lpfc_sli4_remove_rpis(phba); |
da0436e9 | 4434 | |
0c9ab6f5 JS |
4435 | /* Free eligible FCF index bmask */ |
4436 | kfree(phba->fcf.fcf_rr_bmask); | |
4437 | ||
da0436e9 JS |
4438 | /* Free the ELS sgl list */ |
4439 | lpfc_free_active_sgl(phba); | |
4440 | lpfc_free_sgl_list(phba); | |
4441 | ||
4442 | /* Free the SCSI sgl management array */ | |
4443 | kfree(phba->sli4_hba.lpfc_scsi_psb_array); | |
4444 | ||
4445 | /* Free the SLI4 queues */ | |
4446 | lpfc_sli4_queue_destroy(phba); | |
4447 | ||
4448 | /* Free the completion queue EQ event pool */ | |
4449 | lpfc_sli4_cq_event_release_all(phba); | |
4450 | lpfc_sli4_cq_event_pool_destroy(phba); | |
4451 | ||
da0436e9 JS |
4452 | /* Free the bsmbx region. */ |
4453 | lpfc_destroy_bootstrap_mbox(phba); | |
4454 | ||
4455 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
4456 | lpfc_mem_free_all(phba); | |
4457 | ||
4458 | /* Free the current connect table */ | |
4459 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
4460 | &phba->fcf_conn_rec_list, list) { |
4461 | list_del_init(&conn_entry->list); | |
da0436e9 | 4462 | kfree(conn_entry); |
4d9ab994 | 4463 | } |
da0436e9 JS |
4464 | |
4465 | return; | |
4466 | } | |
4467 | ||
4468 | /** | |
4469 | * lpfc_init_api_table_setup - Set up init api fucntion jump table | |
4470 | * @phba: The hba struct for which this call is being executed. | |
4471 | * @dev_grp: The HBA PCI-Device group number. | |
4472 | * | |
4473 | * This routine sets up the device INIT interface API function jump table | |
4474 | * in @phba struct. | |
4475 | * | |
4476 | * Returns: 0 - success, -ENODEV - failure. | |
4477 | **/ | |
4478 | int | |
4479 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
4480 | { | |
84d1b006 JS |
4481 | phba->lpfc_hba_init_link = lpfc_hba_init_link; |
4482 | phba->lpfc_hba_down_link = lpfc_hba_down_link; | |
7f86059a | 4483 | phba->lpfc_selective_reset = lpfc_selective_reset; |
da0436e9 JS |
4484 | switch (dev_grp) { |
4485 | case LPFC_PCI_DEV_LP: | |
4486 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
4487 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
4488 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
4489 | break; | |
4490 | case LPFC_PCI_DEV_OC: | |
4491 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
4492 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
4493 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
4494 | break; | |
4495 | default: | |
4496 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4497 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
4498 | dev_grp); | |
4499 | return -ENODEV; | |
4500 | break; | |
4501 | } | |
4502 | return 0; | |
4503 | } | |
4504 | ||
4505 | /** | |
4506 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. | |
4507 | * @phba: pointer to lpfc hba data structure. | |
4508 | * | |
4509 | * This routine is invoked to set up the driver internal resources before the | |
4510 | * device specific resource setup to support the HBA device it attached to. | |
4511 | * | |
4512 | * Return codes | |
af901ca1 | 4513 | * 0 - successful |
da0436e9 JS |
4514 | * other values - error |
4515 | **/ | |
4516 | static int | |
4517 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) | |
4518 | { | |
4519 | /* | |
4520 | * Driver resources common to all SLI revisions | |
4521 | */ | |
4522 | atomic_set(&phba->fast_event_count, 0); | |
4523 | spin_lock_init(&phba->hbalock); | |
4524 | ||
4525 | /* Initialize ndlp management spinlock */ | |
4526 | spin_lock_init(&phba->ndlp_lock); | |
4527 | ||
4528 | INIT_LIST_HEAD(&phba->port_list); | |
4529 | INIT_LIST_HEAD(&phba->work_list); | |
4530 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
4531 | ||
4532 | /* Initialize the wait queue head for the kernel thread */ | |
4533 | init_waitqueue_head(&phba->work_waitq); | |
4534 | ||
4535 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
4536 | spin_lock_init(&phba->scsi_buf_list_lock); | |
4537 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); | |
4538 | ||
4539 | /* Initialize the fabric iocb list */ | |
4540 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
4541 | ||
4542 | /* Initialize list to save ELS buffers */ | |
4543 | INIT_LIST_HEAD(&phba->elsbuf); | |
4544 | ||
4545 | /* Initialize FCF connection rec list */ | |
4546 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
4547 | ||
4548 | return 0; | |
4549 | } | |
4550 | ||
4551 | /** | |
4552 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
4553 | * @phba: pointer to lpfc hba data structure. | |
4554 | * | |
4555 | * This routine is invoked to set up the driver internal resources after the | |
4556 | * device specific resource setup to support the HBA device it attached to. | |
4557 | * | |
4558 | * Return codes | |
af901ca1 | 4559 | * 0 - successful |
da0436e9 JS |
4560 | * other values - error |
4561 | **/ | |
4562 | static int | |
4563 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
4564 | { | |
4565 | int error; | |
4566 | ||
4567 | /* Startup the kernel thread for this host adapter. */ | |
4568 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
4569 | "lpfc_worker_%d", phba->brd_no); | |
4570 | if (IS_ERR(phba->worker_thread)) { | |
4571 | error = PTR_ERR(phba->worker_thread); | |
4572 | return error; | |
3772a991 JS |
4573 | } |
4574 | ||
4575 | return 0; | |
4576 | } | |
4577 | ||
4578 | /** | |
4579 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
4580 | * @phba: pointer to lpfc hba data structure. | |
4581 | * | |
4582 | * This routine is invoked to unset the driver internal resources set up after | |
4583 | * the device specific resource setup for supporting the HBA device it | |
4584 | * attached to. | |
4585 | **/ | |
4586 | static void | |
4587 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
4588 | { | |
4589 | /* Stop kernel worker thread */ | |
4590 | kthread_stop(phba->worker_thread); | |
4591 | } | |
4592 | ||
4593 | /** | |
4594 | * lpfc_free_iocb_list - Free iocb list. | |
4595 | * @phba: pointer to lpfc hba data structure. | |
4596 | * | |
4597 | * This routine is invoked to free the driver's IOCB list and memory. | |
4598 | **/ | |
4599 | static void | |
4600 | lpfc_free_iocb_list(struct lpfc_hba *phba) | |
4601 | { | |
4602 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
4603 | ||
4604 | spin_lock_irq(&phba->hbalock); | |
4605 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
4606 | &phba->lpfc_iocb_list, list) { | |
4607 | list_del(&iocbq_entry->list); | |
4608 | kfree(iocbq_entry); | |
4609 | phba->total_iocbq_bufs--; | |
98c9ea5c | 4610 | } |
3772a991 JS |
4611 | spin_unlock_irq(&phba->hbalock); |
4612 | ||
4613 | return; | |
4614 | } | |
4615 | ||
4616 | /** | |
4617 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
4618 | * @phba: pointer to lpfc hba data structure. | |
4619 | * | |
4620 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
4621 | * list and set up the IOCB tag array accordingly. | |
4622 | * | |
4623 | * Return codes | |
af901ca1 | 4624 | * 0 - successful |
3772a991 JS |
4625 | * other values - error |
4626 | **/ | |
4627 | static int | |
4628 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) | |
4629 | { | |
4630 | struct lpfc_iocbq *iocbq_entry = NULL; | |
4631 | uint16_t iotag; | |
4632 | int i; | |
dea3101e JB |
4633 | |
4634 | /* Initialize and populate the iocb list per host. */ | |
4635 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 4636 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 4637 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
4638 | if (iocbq_entry == NULL) { |
4639 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
4640 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 4641 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e JB |
4642 | goto out_free_iocbq; |
4643 | } | |
4644 | ||
604a3e30 JB |
4645 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
4646 | if (iotag == 0) { | |
3772a991 | 4647 | kfree(iocbq_entry); |
604a3e30 | 4648 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 4649 | "Unloading driver.\n", __func__); |
604a3e30 JB |
4650 | goto out_free_iocbq; |
4651 | } | |
3772a991 | 4652 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
4653 | |
4654 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
4655 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
4656 | phba->total_iocbq_bufs++; | |
2e0fef85 | 4657 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4658 | } |
4659 | ||
3772a991 | 4660 | return 0; |
dea3101e | 4661 | |
3772a991 JS |
4662 | out_free_iocbq: |
4663 | lpfc_free_iocb_list(phba); | |
dea3101e | 4664 | |
3772a991 JS |
4665 | return -ENOMEM; |
4666 | } | |
5e9d9b82 | 4667 | |
3772a991 | 4668 | /** |
da0436e9 JS |
4669 | * lpfc_free_sgl_list - Free sgl list. |
4670 | * @phba: pointer to lpfc hba data structure. | |
3772a991 | 4671 | * |
da0436e9 | 4672 | * This routine is invoked to free the driver's sgl list and memory. |
3772a991 | 4673 | **/ |
da0436e9 JS |
4674 | static void |
4675 | lpfc_free_sgl_list(struct lpfc_hba *phba) | |
3772a991 | 4676 | { |
da0436e9 JS |
4677 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
4678 | LIST_HEAD(sglq_list); | |
dea3101e | 4679 | |
da0436e9 JS |
4680 | spin_lock_irq(&phba->hbalock); |
4681 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); | |
4682 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 4683 | |
da0436e9 JS |
4684 | list_for_each_entry_safe(sglq_entry, sglq_next, |
4685 | &sglq_list, list) { | |
4686 | list_del(&sglq_entry->list); | |
4687 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
4688 | kfree(sglq_entry); | |
4689 | phba->sli4_hba.total_sglq_bufs--; | |
4690 | } | |
da0436e9 JS |
4691 | kfree(phba->sli4_hba.lpfc_els_sgl_array); |
4692 | } | |
92d7f7b0 | 4693 | |
da0436e9 JS |
4694 | /** |
4695 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
4696 | * @phba: pointer to lpfc hba data structure. | |
4697 | * | |
4698 | * This routine is invoked to allocate the driver's active sgl memory. | |
4699 | * This array will hold the sglq_entry's for active IOs. | |
4700 | **/ | |
4701 | static int | |
4702 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
4703 | { | |
4704 | int size; | |
4705 | size = sizeof(struct lpfc_sglq *); | |
4706 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
4707 | ||
4708 | phba->sli4_hba.lpfc_sglq_active_list = | |
4709 | kzalloc(size, GFP_KERNEL); | |
4710 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
4711 | return -ENOMEM; | |
4712 | return 0; | |
3772a991 JS |
4713 | } |
4714 | ||
4715 | /** | |
da0436e9 | 4716 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
4717 | * @phba: pointer to lpfc hba data structure. |
4718 | * | |
da0436e9 JS |
4719 | * This routine is invoked to walk through the array of active sglq entries |
4720 | * and free all of the resources. | |
4721 | * This is just a place holder for now. | |
3772a991 JS |
4722 | **/ |
4723 | static void | |
da0436e9 | 4724 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 4725 | { |
da0436e9 | 4726 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
4727 | } |
4728 | ||
4729 | /** | |
da0436e9 | 4730 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
4731 | * @phba: pointer to lpfc hba data structure. |
4732 | * | |
da0436e9 JS |
4733 | * This routine is invoked to allocate and initizlize the driver's sgl |
4734 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 JS |
4735 | * |
4736 | * Return codes | |
af901ca1 | 4737 | * 0 - successful |
da0436e9 | 4738 | * other values - error |
3772a991 JS |
4739 | **/ |
4740 | static int | |
da0436e9 | 4741 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 4742 | { |
da0436e9 JS |
4743 | struct lpfc_sglq *sglq_entry = NULL; |
4744 | int i; | |
4745 | int els_xri_cnt; | |
4746 | ||
4747 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
4748 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4749 | "2400 lpfc_init_sgl_list els %d.\n", | |
4750 | els_xri_cnt); | |
4751 | /* Initialize and populate the sglq list per host/VF. */ | |
4752 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); | |
4753 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
4754 | ||
4755 | /* Sanity check on XRI management */ | |
4756 | if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) { | |
4757 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4758 | "2562 No room left for SCSI XRI allocation: " | |
4759 | "max_xri=%d, els_xri=%d\n", | |
4760 | phba->sli4_hba.max_cfg_param.max_xri, | |
4761 | els_xri_cnt); | |
4762 | return -ENOMEM; | |
4763 | } | |
3772a991 | 4764 | |
da0436e9 JS |
4765 | /* Allocate memory for the ELS XRI management array */ |
4766 | phba->sli4_hba.lpfc_els_sgl_array = | |
4767 | kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt), | |
4768 | GFP_KERNEL); | |
0ff10d46 | 4769 | |
da0436e9 JS |
4770 | if (!phba->sli4_hba.lpfc_els_sgl_array) { |
4771 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4772 | "2401 Failed to allocate memory for ELS " | |
4773 | "XRI management array of size %d.\n", | |
4774 | els_xri_cnt); | |
4775 | return -ENOMEM; | |
4776 | } | |
2e0fef85 | 4777 | |
da0436e9 JS |
4778 | /* Keep the SCSI XRI into the XRI management array */ |
4779 | phba->sli4_hba.scsi_xri_max = | |
4780 | phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
4781 | phba->sli4_hba.scsi_xri_cnt = 0; | |
4782 | ||
4783 | phba->sli4_hba.lpfc_scsi_psb_array = | |
4784 | kzalloc((sizeof(struct lpfc_scsi_buf *) * | |
4785 | phba->sli4_hba.scsi_xri_max), GFP_KERNEL); | |
4786 | ||
4787 | if (!phba->sli4_hba.lpfc_scsi_psb_array) { | |
4788 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4789 | "2563 Failed to allocate memory for SCSI " | |
4790 | "XRI management array of size %d.\n", | |
4791 | phba->sli4_hba.scsi_xri_max); | |
4792 | kfree(phba->sli4_hba.lpfc_els_sgl_array); | |
4793 | return -ENOMEM; | |
4794 | } | |
4795 | ||
4796 | for (i = 0; i < els_xri_cnt; i++) { | |
4797 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL); | |
4798 | if (sglq_entry == NULL) { | |
4799 | printk(KERN_ERR "%s: only allocated %d sgls of " | |
4800 | "expected %d count. Unloading driver.\n", | |
4801 | __func__, i, els_xri_cnt); | |
4802 | goto out_free_mem; | |
4803 | } | |
4804 | ||
4805 | sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba); | |
4806 | if (sglq_entry->sli4_xritag == NO_XRI) { | |
4807 | kfree(sglq_entry); | |
4808 | printk(KERN_ERR "%s: failed to allocate XRI.\n" | |
4809 | "Unloading driver.\n", __func__); | |
4810 | goto out_free_mem; | |
4811 | } | |
4812 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
4813 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys); | |
4814 | if (sglq_entry->virt == NULL) { | |
4815 | kfree(sglq_entry); | |
4816 | printk(KERN_ERR "%s: failed to allocate mbuf.\n" | |
4817 | "Unloading driver.\n", __func__); | |
4818 | goto out_free_mem; | |
4819 | } | |
4820 | sglq_entry->sgl = sglq_entry->virt; | |
4821 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
4822 | ||
4823 | /* The list order is used by later block SGL registraton */ | |
4824 | spin_lock_irq(&phba->hbalock); | |
0f65ff68 | 4825 | sglq_entry->state = SGL_FREED; |
da0436e9 JS |
4826 | list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list); |
4827 | phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry; | |
4828 | phba->sli4_hba.total_sglq_bufs++; | |
4829 | spin_unlock_irq(&phba->hbalock); | |
4830 | } | |
4831 | return 0; | |
4832 | ||
4833 | out_free_mem: | |
4834 | kfree(phba->sli4_hba.lpfc_scsi_psb_array); | |
4835 | lpfc_free_sgl_list(phba); | |
4836 | return -ENOMEM; | |
4837 | } | |
4838 | ||
4839 | /** | |
4840 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
4841 | * @phba: pointer to lpfc hba data structure. | |
4842 | * | |
4843 | * This routine is invoked to post rpi header templates to the | |
4844 | * HBA consistent with the SLI-4 interface spec. This routine | |
4845 | * posts a PAGE_SIZE memory region to the port to hold up to | |
4846 | * PAGE_SIZE modulo 64 rpi context headers. | |
4847 | * No locks are held here because this is an initialization routine | |
4848 | * called only from probe or lpfc_online when interrupts are not | |
4849 | * enabled and the driver is reinitializing the device. | |
4850 | * | |
4851 | * Return codes | |
af901ca1 | 4852 | * 0 - successful |
d439d286 JS |
4853 | * -ENOMEM - No availble memory |
4854 | * -EIO - The mailbox failed to complete successfully. | |
da0436e9 JS |
4855 | **/ |
4856 | int | |
4857 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
4858 | { | |
4859 | int rc = 0; | |
4860 | int longs; | |
4861 | uint16_t rpi_count; | |
4862 | struct lpfc_rpi_hdr *rpi_hdr; | |
4863 | ||
4864 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
4865 | ||
4866 | /* | |
4867 | * Provision an rpi bitmask range for discovery. The total count | |
4868 | * is the difference between max and base + 1. | |
4869 | */ | |
4870 | rpi_count = phba->sli4_hba.max_cfg_param.rpi_base + | |
4871 | phba->sli4_hba.max_cfg_param.max_rpi - 1; | |
4872 | ||
4873 | longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
4874 | phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long), | |
4875 | GFP_KERNEL); | |
4876 | if (!phba->sli4_hba.rpi_bmask) | |
4877 | return -ENOMEM; | |
4878 | ||
4879 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
4880 | if (!rpi_hdr) { | |
4881 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
4882 | "0391 Error during rpi post operation\n"); | |
4883 | lpfc_sli4_remove_rpis(phba); | |
4884 | rc = -ENODEV; | |
4885 | } | |
4886 | ||
4887 | return rc; | |
4888 | } | |
4889 | ||
4890 | /** | |
4891 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
4892 | * @phba: pointer to lpfc hba data structure. | |
4893 | * | |
4894 | * This routine is invoked to allocate a single 4KB memory region to | |
4895 | * support rpis and stores them in the phba. This single region | |
4896 | * provides support for up to 64 rpis. The region is used globally | |
4897 | * by the device. | |
4898 | * | |
4899 | * Returns: | |
4900 | * A valid rpi hdr on success. | |
4901 | * A NULL pointer on any failure. | |
4902 | **/ | |
4903 | struct lpfc_rpi_hdr * | |
4904 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
4905 | { | |
4906 | uint16_t rpi_limit, curr_rpi_range; | |
4907 | struct lpfc_dmabuf *dmabuf; | |
4908 | struct lpfc_rpi_hdr *rpi_hdr; | |
4909 | ||
4910 | rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + | |
4911 | phba->sli4_hba.max_cfg_param.max_rpi - 1; | |
4912 | ||
4913 | spin_lock_irq(&phba->hbalock); | |
4914 | curr_rpi_range = phba->sli4_hba.next_rpi; | |
4915 | spin_unlock_irq(&phba->hbalock); | |
4916 | ||
4917 | /* | |
4918 | * The port has a limited number of rpis. The increment here | |
4919 | * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value | |
4920 | * and to allow the full max_rpi range per port. | |
4921 | */ | |
4922 | if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) | |
4923 | return NULL; | |
4924 | ||
4925 | /* | |
4926 | * First allocate the protocol header region for the port. The | |
4927 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
4928 | */ | |
4929 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4930 | if (!dmabuf) | |
4931 | return NULL; | |
4932 | ||
4933 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
4934 | LPFC_HDR_TEMPLATE_SIZE, | |
4935 | &dmabuf->phys, | |
4936 | GFP_KERNEL); | |
4937 | if (!dmabuf->virt) { | |
4938 | rpi_hdr = NULL; | |
4939 | goto err_free_dmabuf; | |
4940 | } | |
4941 | ||
4942 | memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE); | |
4943 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { | |
4944 | rpi_hdr = NULL; | |
4945 | goto err_free_coherent; | |
4946 | } | |
4947 | ||
4948 | /* Save the rpi header data for cleanup later. */ | |
4949 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
4950 | if (!rpi_hdr) | |
4951 | goto err_free_coherent; | |
4952 | ||
4953 | rpi_hdr->dmabuf = dmabuf; | |
4954 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
4955 | rpi_hdr->page_count = 1; | |
4956 | spin_lock_irq(&phba->hbalock); | |
4957 | rpi_hdr->start_rpi = phba->sli4_hba.next_rpi; | |
4958 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); | |
4959 | ||
4960 | /* | |
4961 | * The next_rpi stores the next module-64 rpi value to post | |
4962 | * in any subsequent rpi memory region postings. | |
4963 | */ | |
4964 | phba->sli4_hba.next_rpi += LPFC_RPI_HDR_COUNT; | |
4965 | spin_unlock_irq(&phba->hbalock); | |
4966 | return rpi_hdr; | |
4967 | ||
4968 | err_free_coherent: | |
4969 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
4970 | dmabuf->virt, dmabuf->phys); | |
4971 | err_free_dmabuf: | |
4972 | kfree(dmabuf); | |
4973 | return NULL; | |
4974 | } | |
4975 | ||
4976 | /** | |
4977 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
4978 | * @phba: pointer to lpfc hba data structure. | |
4979 | * | |
4980 | * This routine is invoked to remove all memory resources allocated | |
4981 | * to support rpis. This routine presumes the caller has released all | |
4982 | * rpis consumed by fabric or port logins and is prepared to have | |
4983 | * the header pages removed. | |
4984 | **/ | |
4985 | void | |
4986 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
4987 | { | |
4988 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
4989 | ||
4990 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, | |
4991 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
4992 | list_del(&rpi_hdr->list); | |
4993 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
4994 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
4995 | kfree(rpi_hdr->dmabuf); | |
4996 | kfree(rpi_hdr); | |
4997 | } | |
4998 | ||
4999 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; | |
5000 | memset(phba->sli4_hba.rpi_bmask, 0, sizeof(*phba->sli4_hba.rpi_bmask)); | |
5001 | } | |
5002 | ||
5003 | /** | |
5004 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
5005 | * @pdev: pointer to pci device data structure. | |
5006 | * | |
5007 | * This routine is invoked to allocate the driver hba data structure for an | |
5008 | * HBA device. If the allocation is successful, the phba reference to the | |
5009 | * PCI device data structure is set. | |
5010 | * | |
5011 | * Return codes | |
af901ca1 | 5012 | * pointer to @phba - successful |
da0436e9 JS |
5013 | * NULL - error |
5014 | **/ | |
5015 | static struct lpfc_hba * | |
5016 | lpfc_hba_alloc(struct pci_dev *pdev) | |
5017 | { | |
5018 | struct lpfc_hba *phba; | |
5019 | ||
5020 | /* Allocate memory for HBA structure */ | |
5021 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
5022 | if (!phba) { | |
e34ccdfe | 5023 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
5024 | return NULL; |
5025 | } | |
5026 | ||
5027 | /* Set reference to PCI device in HBA structure */ | |
5028 | phba->pcidev = pdev; | |
5029 | ||
5030 | /* Assign an unused board number */ | |
5031 | phba->brd_no = lpfc_get_instance(); | |
5032 | if (phba->brd_no < 0) { | |
5033 | kfree(phba); | |
5034 | return NULL; | |
5035 | } | |
5036 | ||
4fede78f | 5037 | spin_lock_init(&phba->ct_ev_lock); |
f1c3b0fc JS |
5038 | INIT_LIST_HEAD(&phba->ct_ev_waiters); |
5039 | ||
da0436e9 JS |
5040 | return phba; |
5041 | } | |
5042 | ||
5043 | /** | |
5044 | * lpfc_hba_free - Free driver hba data structure with a device. | |
5045 | * @phba: pointer to lpfc hba data structure. | |
5046 | * | |
5047 | * This routine is invoked to free the driver hba data structure with an | |
5048 | * HBA device. | |
5049 | **/ | |
5050 | static void | |
5051 | lpfc_hba_free(struct lpfc_hba *phba) | |
5052 | { | |
5053 | /* Release the driver assigned board number */ | |
5054 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
5055 | ||
5056 | kfree(phba); | |
5057 | return; | |
5058 | } | |
5059 | ||
5060 | /** | |
5061 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
5062 | * @phba: pointer to lpfc hba data structure. | |
5063 | * | |
5064 | * This routine is invoked to create HBA physical port and associate a SCSI | |
5065 | * host with it. | |
5066 | * | |
5067 | * Return codes | |
af901ca1 | 5068 | * 0 - successful |
da0436e9 JS |
5069 | * other values - error |
5070 | **/ | |
5071 | static int | |
5072 | lpfc_create_shost(struct lpfc_hba *phba) | |
5073 | { | |
5074 | struct lpfc_vport *vport; | |
5075 | struct Scsi_Host *shost; | |
5076 | ||
5077 | /* Initialize HBA FC structure */ | |
5078 | phba->fc_edtov = FF_DEF_EDTOV; | |
5079 | phba->fc_ratov = FF_DEF_RATOV; | |
5080 | phba->fc_altov = FF_DEF_ALTOV; | |
5081 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
5082 | ||
d7c47992 | 5083 | atomic_set(&phba->sdev_cnt, 0); |
da0436e9 JS |
5084 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
5085 | if (!vport) | |
5086 | return -ENODEV; | |
5087 | ||
5088 | shost = lpfc_shost_from_vport(vport); | |
5089 | phba->pport = vport; | |
5090 | lpfc_debugfs_initialize(vport); | |
5091 | /* Put reference to SCSI host to driver's device private data */ | |
5092 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 5093 | |
3772a991 JS |
5094 | return 0; |
5095 | } | |
db2378e0 | 5096 | |
3772a991 JS |
5097 | /** |
5098 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
5099 | * @phba: pointer to lpfc hba data structure. | |
5100 | * | |
5101 | * This routine is invoked to destroy HBA physical port and the associated | |
5102 | * SCSI host. | |
5103 | **/ | |
5104 | static void | |
5105 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
5106 | { | |
5107 | struct lpfc_vport *vport = phba->pport; | |
5108 | ||
5109 | /* Destroy physical port that associated with the SCSI host */ | |
5110 | destroy_port(vport); | |
5111 | ||
5112 | return; | |
5113 | } | |
5114 | ||
5115 | /** | |
5116 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
5117 | * @phba: pointer to lpfc hba data structure. | |
5118 | * @shost: the shost to be used to detect Block guard settings. | |
5119 | * | |
5120 | * This routine sets up the local Block guard protocol settings for @shost. | |
5121 | * This routine also allocates memory for debugging bg buffers. | |
5122 | **/ | |
5123 | static void | |
5124 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
5125 | { | |
5126 | int pagecnt = 10; | |
5127 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5128 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5129 | "1478 Registering BlockGuard with the " | |
5130 | "SCSI layer\n"); | |
5131 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
5132 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
5133 | } | |
5134 | if (!_dump_buf_data) { | |
5135 | while (pagecnt) { | |
5136 | spin_lock_init(&_dump_buf_lock); | |
5137 | _dump_buf_data = | |
5138 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5139 | if (_dump_buf_data) { | |
6a9c52cf JS |
5140 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5141 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5142 | "_dump_buf_data at 0x%p\n", |
5143 | (1 << pagecnt), _dump_buf_data); | |
5144 | _dump_buf_data_order = pagecnt; | |
5145 | memset(_dump_buf_data, 0, | |
5146 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5147 | break; | |
5148 | } else | |
5149 | --pagecnt; | |
5150 | } | |
5151 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
5152 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5153 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5154 | "memory for hexdump\n"); |
5155 | } else | |
6a9c52cf JS |
5156 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5157 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
5158 | "\n", _dump_buf_data); |
5159 | if (!_dump_buf_dif) { | |
5160 | while (pagecnt) { | |
5161 | _dump_buf_dif = | |
5162 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5163 | if (_dump_buf_dif) { | |
6a9c52cf JS |
5164 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5165 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5166 | "_dump_buf_dif at 0x%p\n", |
5167 | (1 << pagecnt), _dump_buf_dif); | |
5168 | _dump_buf_dif_order = pagecnt; | |
5169 | memset(_dump_buf_dif, 0, | |
5170 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5171 | break; | |
5172 | } else | |
5173 | --pagecnt; | |
5174 | } | |
5175 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
5176 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5177 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5178 | "memory for hexdump\n"); |
5179 | } else | |
6a9c52cf JS |
5180 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5181 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
5182 | _dump_buf_dif); |
5183 | } | |
5184 | ||
5185 | /** | |
5186 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
5187 | * @phba: pointer to lpfc hba data structure. | |
5188 | * | |
5189 | * This routine is invoked to perform all the necessary post initialization | |
5190 | * setup for the device. | |
5191 | **/ | |
5192 | static void | |
5193 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
5194 | { | |
5195 | struct Scsi_Host *shost; | |
5196 | struct lpfc_adapter_event_header adapter_event; | |
5197 | ||
5198 | /* Get the default values for Model Name and Description */ | |
5199 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
5200 | ||
5201 | /* | |
5202 | * hba setup may have changed the hba_queue_depth so we need to | |
5203 | * adjust the value of can_queue. | |
5204 | */ | |
5205 | shost = pci_get_drvdata(phba->pcidev); | |
5206 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
5207 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
5208 | lpfc_setup_bg(phba, shost); | |
5209 | ||
5210 | lpfc_host_attrib_init(shost); | |
5211 | ||
5212 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
5213 | spin_lock_irq(shost->host_lock); | |
5214 | lpfc_poll_start_timer(phba); | |
5215 | spin_unlock_irq(shost->host_lock); | |
5216 | } | |
5217 | ||
5218 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5219 | "0428 Perform SCSI scan\n"); | |
5220 | /* Send board arrival event to upper layer */ | |
5221 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
5222 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
5223 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
5224 | sizeof(adapter_event), | |
5225 | (char *) &adapter_event, | |
5226 | LPFC_NL_VENDOR_ID); | |
5227 | return; | |
5228 | } | |
5229 | ||
5230 | /** | |
5231 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
5232 | * @phba: pointer to lpfc hba data structure. | |
5233 | * | |
5234 | * This routine is invoked to set up the PCI device memory space for device | |
5235 | * with SLI-3 interface spec. | |
5236 | * | |
5237 | * Return codes | |
af901ca1 | 5238 | * 0 - successful |
3772a991 JS |
5239 | * other values - error |
5240 | **/ | |
5241 | static int | |
5242 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
5243 | { | |
5244 | struct pci_dev *pdev; | |
5245 | unsigned long bar0map_len, bar2map_len; | |
5246 | int i, hbq_count; | |
5247 | void *ptr; | |
5248 | int error = -ENODEV; | |
5249 | ||
5250 | /* Obtain PCI device reference */ | |
5251 | if (!phba->pcidev) | |
5252 | return error; | |
5253 | else | |
5254 | pdev = phba->pcidev; | |
5255 | ||
5256 | /* Set the device DMA mask size */ | |
8e68597d MR |
5257 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
5258 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
5259 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
5260 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 5261 | return error; |
8e68597d MR |
5262 | } |
5263 | } | |
3772a991 JS |
5264 | |
5265 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
5266 | * required by each mapping. | |
5267 | */ | |
5268 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
5269 | bar0map_len = pci_resource_len(pdev, 0); | |
5270 | ||
5271 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
5272 | bar2map_len = pci_resource_len(pdev, 2); | |
5273 | ||
5274 | /* Map HBA SLIM to a kernel virtual address. */ | |
5275 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
5276 | if (!phba->slim_memmap_p) { | |
5277 | dev_printk(KERN_ERR, &pdev->dev, | |
5278 | "ioremap failed for SLIM memory.\n"); | |
5279 | goto out; | |
5280 | } | |
5281 | ||
5282 | /* Map HBA Control Registers to a kernel virtual address. */ | |
5283 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
5284 | if (!phba->ctrl_regs_memmap_p) { | |
5285 | dev_printk(KERN_ERR, &pdev->dev, | |
5286 | "ioremap failed for HBA control registers.\n"); | |
5287 | goto out_iounmap_slim; | |
5288 | } | |
5289 | ||
5290 | /* Allocate memory for SLI-2 structures */ | |
5291 | phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, | |
5292 | SLI2_SLIM_SIZE, | |
5293 | &phba->slim2p.phys, | |
5294 | GFP_KERNEL); | |
5295 | if (!phba->slim2p.virt) | |
5296 | goto out_iounmap; | |
5297 | ||
5298 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); | |
5299 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); | |
7a470277 JS |
5300 | phba->mbox_ext = (phba->slim2p.virt + |
5301 | offsetof(struct lpfc_sli2_slim, mbx_ext_words)); | |
3772a991 JS |
5302 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); |
5303 | phba->IOCBs = (phba->slim2p.virt + | |
5304 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
5305 | ||
5306 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
5307 | lpfc_sli_hbq_size(), | |
5308 | &phba->hbqslimp.phys, | |
5309 | GFP_KERNEL); | |
5310 | if (!phba->hbqslimp.virt) | |
5311 | goto out_free_slim; | |
5312 | ||
5313 | hbq_count = lpfc_sli_hbq_count(); | |
5314 | ptr = phba->hbqslimp.virt; | |
5315 | for (i = 0; i < hbq_count; ++i) { | |
5316 | phba->hbqs[i].hbq_virt = ptr; | |
5317 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
5318 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
5319 | sizeof(struct lpfc_hbq_entry)); | |
5320 | } | |
5321 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
5322 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
5323 | ||
5324 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
5325 | ||
5326 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
5327 | ||
5328 | phba->MBslimaddr = phba->slim_memmap_p; | |
5329 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
5330 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
5331 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
5332 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
5333 | ||
5334 | return 0; | |
5335 | ||
5336 | out_free_slim: | |
5337 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
5338 | phba->slim2p.virt, phba->slim2p.phys); | |
5339 | out_iounmap: | |
5340 | iounmap(phba->ctrl_regs_memmap_p); | |
5341 | out_iounmap_slim: | |
5342 | iounmap(phba->slim_memmap_p); | |
5343 | out: | |
5344 | return error; | |
5345 | } | |
5346 | ||
5347 | /** | |
5348 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
5349 | * @phba: pointer to lpfc hba data structure. | |
5350 | * | |
5351 | * This routine is invoked to unset the PCI device memory space for device | |
5352 | * with SLI-3 interface spec. | |
5353 | **/ | |
5354 | static void | |
5355 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
5356 | { | |
5357 | struct pci_dev *pdev; | |
5358 | ||
5359 | /* Obtain PCI device reference */ | |
5360 | if (!phba->pcidev) | |
5361 | return; | |
5362 | else | |
5363 | pdev = phba->pcidev; | |
5364 | ||
5365 | /* Free coherent DMA memory allocated */ | |
5366 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
5367 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
5368 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
5369 | phba->slim2p.virt, phba->slim2p.phys); | |
5370 | ||
5371 | /* I/O memory unmap */ | |
5372 | iounmap(phba->ctrl_regs_memmap_p); | |
5373 | iounmap(phba->slim_memmap_p); | |
5374 | ||
5375 | return; | |
5376 | } | |
5377 | ||
5378 | /** | |
da0436e9 | 5379 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
5380 | * @phba: pointer to lpfc hba data structure. |
5381 | * | |
da0436e9 JS |
5382 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
5383 | * done and check status. | |
3772a991 | 5384 | * |
da0436e9 | 5385 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 5386 | **/ |
da0436e9 JS |
5387 | int |
5388 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 5389 | { |
2fcee4bf JS |
5390 | struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; |
5391 | struct lpfc_register reg_data; | |
5392 | int i, port_error = 0; | |
5393 | uint32_t if_type; | |
3772a991 | 5394 | |
9940b97b JS |
5395 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
5396 | memset(®_data, 0, sizeof(reg_data)); | |
2fcee4bf | 5397 | if (!phba->sli4_hba.PSMPHRregaddr) |
da0436e9 | 5398 | return -ENODEV; |
3772a991 | 5399 | |
da0436e9 JS |
5400 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
5401 | for (i = 0; i < 3000; i++) { | |
9940b97b JS |
5402 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, |
5403 | &portsmphr_reg.word0) || | |
5404 | (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { | |
2fcee4bf | 5405 | /* Port has a fatal POST error, break out */ |
da0436e9 JS |
5406 | port_error = -ENODEV; |
5407 | break; | |
5408 | } | |
2fcee4bf JS |
5409 | if (LPFC_POST_STAGE_PORT_READY == |
5410 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) | |
da0436e9 | 5411 | break; |
da0436e9 | 5412 | msleep(10); |
3772a991 JS |
5413 | } |
5414 | ||
2fcee4bf JS |
5415 | /* |
5416 | * If there was a port error during POST, then don't proceed with | |
5417 | * other register reads as the data may not be valid. Just exit. | |
5418 | */ | |
5419 | if (port_error) { | |
da0436e9 | 5420 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
5421 | "1408 Port Failed POST - portsmphr=0x%x, " |
5422 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " | |
5423 | "scr2=x%x, hscratch=x%x, pstatus=x%x\n", | |
5424 | portsmphr_reg.word0, | |
5425 | bf_get(lpfc_port_smphr_perr, &portsmphr_reg), | |
5426 | bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), | |
5427 | bf_get(lpfc_port_smphr_nip, &portsmphr_reg), | |
5428 | bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), | |
5429 | bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), | |
5430 | bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), | |
5431 | bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), | |
5432 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); | |
5433 | } else { | |
28baac74 | 5434 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2fcee4bf JS |
5435 | "2534 Device Info: SLIFamily=0x%x, " |
5436 | "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " | |
5437 | "SLIHint_2=0x%x, FT=0x%x\n", | |
28baac74 JS |
5438 | bf_get(lpfc_sli_intf_sli_family, |
5439 | &phba->sli4_hba.sli_intf), | |
5440 | bf_get(lpfc_sli_intf_slirev, | |
5441 | &phba->sli4_hba.sli_intf), | |
085c647c JS |
5442 | bf_get(lpfc_sli_intf_if_type, |
5443 | &phba->sli4_hba.sli_intf), | |
5444 | bf_get(lpfc_sli_intf_sli_hint1, | |
28baac74 | 5445 | &phba->sli4_hba.sli_intf), |
085c647c JS |
5446 | bf_get(lpfc_sli_intf_sli_hint2, |
5447 | &phba->sli4_hba.sli_intf), | |
5448 | bf_get(lpfc_sli_intf_func_type, | |
28baac74 | 5449 | &phba->sli4_hba.sli_intf)); |
2fcee4bf JS |
5450 | /* |
5451 | * Check for other Port errors during the initialization | |
5452 | * process. Fail the load if the port did not come up | |
5453 | * correctly. | |
5454 | */ | |
5455 | if_type = bf_get(lpfc_sli_intf_if_type, | |
5456 | &phba->sli4_hba.sli_intf); | |
5457 | switch (if_type) { | |
5458 | case LPFC_SLI_INTF_IF_TYPE_0: | |
5459 | phba->sli4_hba.ue_mask_lo = | |
5460 | readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); | |
5461 | phba->sli4_hba.ue_mask_hi = | |
5462 | readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); | |
5463 | uerrlo_reg.word0 = | |
5464 | readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); | |
5465 | uerrhi_reg.word0 = | |
5466 | readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); | |
5467 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
5468 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
5469 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5470 | "1422 Unrecoverable Error " | |
5471 | "Detected during POST " | |
5472 | "uerr_lo_reg=0x%x, " | |
5473 | "uerr_hi_reg=0x%x, " | |
5474 | "ue_mask_lo_reg=0x%x, " | |
5475 | "ue_mask_hi_reg=0x%x\n", | |
5476 | uerrlo_reg.word0, | |
5477 | uerrhi_reg.word0, | |
5478 | phba->sli4_hba.ue_mask_lo, | |
5479 | phba->sli4_hba.ue_mask_hi); | |
5480 | port_error = -ENODEV; | |
5481 | } | |
5482 | break; | |
5483 | case LPFC_SLI_INTF_IF_TYPE_2: | |
5484 | /* Final checks. The port status should be clean. */ | |
9940b97b JS |
5485 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
5486 | ®_data.word0) || | |
5487 | bf_get(lpfc_sliport_status_err, ®_data)) { | |
2fcee4bf JS |
5488 | phba->work_status[0] = |
5489 | readl(phba->sli4_hba.u.if_type2. | |
5490 | ERR1regaddr); | |
5491 | phba->work_status[1] = | |
5492 | readl(phba->sli4_hba.u.if_type2. | |
5493 | ERR2regaddr); | |
5494 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5495 | "2888 Port Error Detected " | |
5496 | "during POST: " | |
5497 | "port status reg 0x%x, " | |
5498 | "port_smphr reg 0x%x, " | |
5499 | "error 1=0x%x, error 2=0x%x\n", | |
5500 | reg_data.word0, | |
5501 | portsmphr_reg.word0, | |
5502 | phba->work_status[0], | |
5503 | phba->work_status[1]); | |
5504 | port_error = -ENODEV; | |
5505 | } | |
5506 | break; | |
5507 | case LPFC_SLI_INTF_IF_TYPE_1: | |
5508 | default: | |
5509 | break; | |
5510 | } | |
28baac74 | 5511 | } |
da0436e9 JS |
5512 | return port_error; |
5513 | } | |
3772a991 | 5514 | |
da0436e9 JS |
5515 | /** |
5516 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
5517 | * @phba: pointer to lpfc hba data structure. | |
2fcee4bf | 5518 | * @if_type: The SLI4 interface type getting configured. |
da0436e9 JS |
5519 | * |
5520 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
5521 | * memory map. | |
5522 | **/ | |
5523 | static void | |
2fcee4bf JS |
5524 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) |
5525 | { | |
5526 | switch (if_type) { | |
5527 | case LPFC_SLI_INTF_IF_TYPE_0: | |
5528 | phba->sli4_hba.u.if_type0.UERRLOregaddr = | |
5529 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; | |
5530 | phba->sli4_hba.u.if_type0.UERRHIregaddr = | |
5531 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; | |
5532 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr = | |
5533 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; | |
5534 | phba->sli4_hba.u.if_type0.UEMASKHIregaddr = | |
5535 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; | |
5536 | phba->sli4_hba.SLIINTFregaddr = | |
5537 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
5538 | break; | |
5539 | case LPFC_SLI_INTF_IF_TYPE_2: | |
5540 | phba->sli4_hba.u.if_type2.ERR1regaddr = | |
5541 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_ERR_1; | |
5542 | phba->sli4_hba.u.if_type2.ERR2regaddr = | |
5543 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_ERR_2; | |
5544 | phba->sli4_hba.u.if_type2.CTRLregaddr = | |
5545 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_CNTRL; | |
5546 | phba->sli4_hba.u.if_type2.STATUSregaddr = | |
5547 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_STATUS; | |
5548 | phba->sli4_hba.SLIINTFregaddr = | |
5549 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
5550 | phba->sli4_hba.PSMPHRregaddr = | |
5551 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_IF2_SMPHR; | |
5552 | phba->sli4_hba.RQDBregaddr = | |
5553 | phba->sli4_hba.conf_regs_memmap_p + LPFC_RQ_DOORBELL; | |
5554 | phba->sli4_hba.WQDBregaddr = | |
5555 | phba->sli4_hba.conf_regs_memmap_p + LPFC_WQ_DOORBELL; | |
5556 | phba->sli4_hba.EQCQDBregaddr = | |
5557 | phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; | |
5558 | phba->sli4_hba.MQDBregaddr = | |
5559 | phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; | |
5560 | phba->sli4_hba.BMBXregaddr = | |
5561 | phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; | |
5562 | break; | |
5563 | case LPFC_SLI_INTF_IF_TYPE_1: | |
5564 | default: | |
5565 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
5566 | "FATAL - unsupported SLI4 interface type - %d\n", | |
5567 | if_type); | |
5568 | break; | |
5569 | } | |
da0436e9 | 5570 | } |
3772a991 | 5571 | |
da0436e9 JS |
5572 | /** |
5573 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
5574 | * @phba: pointer to lpfc hba data structure. | |
5575 | * | |
5576 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
5577 | * memory map. | |
5578 | **/ | |
5579 | static void | |
5580 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
5581 | { | |
2fcee4bf JS |
5582 | phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
5583 | LPFC_SLIPORT_IF0_SMPHR; | |
da0436e9 | 5584 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 5585 | LPFC_HST_ISR0; |
da0436e9 | 5586 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 5587 | LPFC_HST_IMR0; |
da0436e9 | 5588 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 5589 | LPFC_HST_ISCR0; |
3772a991 JS |
5590 | } |
5591 | ||
5592 | /** | |
da0436e9 | 5593 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 5594 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 5595 | * @vf: virtual function number |
3772a991 | 5596 | * |
da0436e9 JS |
5597 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
5598 | * based on the given viftual function number, @vf. | |
5599 | * | |
5600 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 5601 | **/ |
da0436e9 JS |
5602 | static int |
5603 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 5604 | { |
da0436e9 JS |
5605 | if (vf > LPFC_VIR_FUNC_MAX) |
5606 | return -ENODEV; | |
3772a991 | 5607 | |
da0436e9 JS |
5608 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
5609 | vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL); | |
5610 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
5611 | vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL); | |
5612 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
5613 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
5614 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
5615 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
5616 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
5617 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
5618 | return 0; | |
3772a991 JS |
5619 | } |
5620 | ||
5621 | /** | |
da0436e9 | 5622 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
5623 | * @phba: pointer to lpfc hba data structure. |
5624 | * | |
da0436e9 JS |
5625 | * This routine is invoked to create the bootstrap mailbox |
5626 | * region consistent with the SLI-4 interface spec. This | |
5627 | * routine allocates all memory necessary to communicate | |
5628 | * mailbox commands to the port and sets up all alignment | |
5629 | * needs. No locks are expected to be held when calling | |
5630 | * this routine. | |
3772a991 JS |
5631 | * |
5632 | * Return codes | |
af901ca1 | 5633 | * 0 - successful |
d439d286 | 5634 | * -ENOMEM - could not allocated memory. |
da0436e9 | 5635 | **/ |
3772a991 | 5636 | static int |
da0436e9 | 5637 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 5638 | { |
da0436e9 JS |
5639 | uint32_t bmbx_size; |
5640 | struct lpfc_dmabuf *dmabuf; | |
5641 | struct dma_address *dma_address; | |
5642 | uint32_t pa_addr; | |
5643 | uint64_t phys_addr; | |
5644 | ||
5645 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
5646 | if (!dmabuf) | |
5647 | return -ENOMEM; | |
3772a991 | 5648 | |
da0436e9 JS |
5649 | /* |
5650 | * The bootstrap mailbox region is comprised of 2 parts | |
5651 | * plus an alignment restriction of 16 bytes. | |
5652 | */ | |
5653 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
5654 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
5655 | bmbx_size, | |
5656 | &dmabuf->phys, | |
5657 | GFP_KERNEL); | |
5658 | if (!dmabuf->virt) { | |
5659 | kfree(dmabuf); | |
5660 | return -ENOMEM; | |
3772a991 | 5661 | } |
da0436e9 | 5662 | memset(dmabuf->virt, 0, bmbx_size); |
3772a991 | 5663 | |
da0436e9 JS |
5664 | /* |
5665 | * Initialize the bootstrap mailbox pointers now so that the register | |
5666 | * operations are simple later. The mailbox dma address is required | |
5667 | * to be 16-byte aligned. Also align the virtual memory as each | |
5668 | * maibox is copied into the bmbx mailbox region before issuing the | |
5669 | * command to the port. | |
5670 | */ | |
5671 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
5672 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
5673 | ||
5674 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
5675 | LPFC_ALIGN_16_BYTE); | |
5676 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
5677 | LPFC_ALIGN_16_BYTE); | |
5678 | ||
5679 | /* | |
5680 | * Set the high and low physical addresses now. The SLI4 alignment | |
5681 | * requirement is 16 bytes and the mailbox is posted to the port | |
5682 | * as two 30-bit addresses. The other data is a bit marking whether | |
5683 | * the 30-bit address is the high or low address. | |
5684 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
5685 | * clean on 32 bit machines. | |
5686 | */ | |
5687 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
5688 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
5689 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
5690 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
5691 | LPFC_BMBX_BIT1_ADDR_HI); | |
5692 | ||
5693 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
5694 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
5695 | LPFC_BMBX_BIT1_ADDR_LO); | |
5696 | return 0; | |
3772a991 JS |
5697 | } |
5698 | ||
5699 | /** | |
da0436e9 | 5700 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
5701 | * @phba: pointer to lpfc hba data structure. |
5702 | * | |
da0436e9 JS |
5703 | * This routine is invoked to teardown the bootstrap mailbox |
5704 | * region and release all host resources. This routine requires | |
5705 | * the caller to ensure all mailbox commands recovered, no | |
5706 | * additional mailbox comands are sent, and interrupts are disabled | |
5707 | * before calling this routine. | |
5708 | * | |
5709 | **/ | |
3772a991 | 5710 | static void |
da0436e9 | 5711 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 5712 | { |
da0436e9 JS |
5713 | dma_free_coherent(&phba->pcidev->dev, |
5714 | phba->sli4_hba.bmbx.bmbx_size, | |
5715 | phba->sli4_hba.bmbx.dmabuf->virt, | |
5716 | phba->sli4_hba.bmbx.dmabuf->phys); | |
5717 | ||
5718 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
5719 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
5720 | } |
5721 | ||
5722 | /** | |
da0436e9 | 5723 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
5724 | * @phba: pointer to lpfc hba data structure. |
5725 | * | |
da0436e9 JS |
5726 | * This routine is invoked to read the configuration parameters from the HBA. |
5727 | * The configuration parameters are used to set the base and maximum values | |
5728 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
5729 | * allocation for the port. | |
3772a991 JS |
5730 | * |
5731 | * Return codes | |
af901ca1 | 5732 | * 0 - successful |
d439d286 JS |
5733 | * -ENOMEM - No availble memory |
5734 | * -EIO - The mailbox failed to complete successfully. | |
3772a991 | 5735 | **/ |
da0436e9 JS |
5736 | static int |
5737 | lpfc_sli4_read_config(struct lpfc_hba *phba) | |
3772a991 | 5738 | { |
da0436e9 JS |
5739 | LPFC_MBOXQ_t *pmb; |
5740 | struct lpfc_mbx_read_config *rd_config; | |
5741 | uint32_t rc = 0; | |
3772a991 | 5742 | |
da0436e9 JS |
5743 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5744 | if (!pmb) { | |
5745 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5746 | "2011 Unable to allocate memory for issuing " | |
5747 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
5748 | return -ENOMEM; | |
3772a991 JS |
5749 | } |
5750 | ||
da0436e9 | 5751 | lpfc_read_config(phba, pmb); |
3772a991 | 5752 | |
da0436e9 JS |
5753 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
5754 | if (rc != MBX_SUCCESS) { | |
5755 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5756 | "2012 Mailbox failed , mbxCmd x%x " | |
5757 | "READ_CONFIG, mbxStatus x%x\n", | |
5758 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
5759 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
5760 | rc = -EIO; | |
5761 | } else { | |
5762 | rd_config = &pmb->u.mqe.un.rd_config; | |
5763 | phba->sli4_hba.max_cfg_param.max_xri = | |
5764 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
5765 | phba->sli4_hba.max_cfg_param.xri_base = | |
5766 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
5767 | phba->sli4_hba.max_cfg_param.max_vpi = | |
5768 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
5769 | phba->sli4_hba.max_cfg_param.vpi_base = | |
5770 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
5771 | phba->sli4_hba.max_cfg_param.max_rpi = | |
5772 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
5773 | phba->sli4_hba.max_cfg_param.rpi_base = | |
5774 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
5775 | phba->sli4_hba.max_cfg_param.max_vfi = | |
5776 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
5777 | phba->sli4_hba.max_cfg_param.vfi_base = | |
5778 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
5779 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
5780 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
5781 | phba->sli4_hba.max_cfg_param.fcfi_base = | |
5782 | bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config); | |
5783 | phba->sli4_hba.max_cfg_param.max_eq = | |
5784 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
5785 | phba->sli4_hba.max_cfg_param.max_rq = | |
5786 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
5787 | phba->sli4_hba.max_cfg_param.max_wq = | |
5788 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
5789 | phba->sli4_hba.max_cfg_param.max_cq = | |
5790 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
5791 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
5792 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
5793 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
5794 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5795 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; | |
5ffc266e JS |
5796 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
5797 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
5798 | phba->max_vports = phba->max_vpi; |
5799 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5800 | "2003 cfg params XRI(B:%d M:%d), " | |
5801 | "VPI(B:%d M:%d) " | |
5802 | "VFI(B:%d M:%d) " | |
5803 | "RPI(B:%d M:%d) " | |
5804 | "FCFI(B:%d M:%d)\n", | |
5805 | phba->sli4_hba.max_cfg_param.xri_base, | |
5806 | phba->sli4_hba.max_cfg_param.max_xri, | |
5807 | phba->sli4_hba.max_cfg_param.vpi_base, | |
5808 | phba->sli4_hba.max_cfg_param.max_vpi, | |
5809 | phba->sli4_hba.max_cfg_param.vfi_base, | |
5810 | phba->sli4_hba.max_cfg_param.max_vfi, | |
5811 | phba->sli4_hba.max_cfg_param.rpi_base, | |
5812 | phba->sli4_hba.max_cfg_param.max_rpi, | |
5813 | phba->sli4_hba.max_cfg_param.fcfi_base, | |
5814 | phba->sli4_hba.max_cfg_param.max_fcfi); | |
3772a991 | 5815 | } |
da0436e9 JS |
5816 | mempool_free(pmb, phba->mbox_mem_pool); |
5817 | ||
5818 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
b92938b4 JS |
5819 | if (phba->cfg_hba_queue_depth > |
5820 | (phba->sli4_hba.max_cfg_param.max_xri - | |
5821 | lpfc_sli4_get_els_iocb_cnt(phba))) | |
da0436e9 | 5822 | phba->cfg_hba_queue_depth = |
b92938b4 JS |
5823 | phba->sli4_hba.max_cfg_param.max_xri - |
5824 | lpfc_sli4_get_els_iocb_cnt(phba); | |
da0436e9 | 5825 | return rc; |
3772a991 JS |
5826 | } |
5827 | ||
5828 | /** | |
2fcee4bf | 5829 | * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. |
3772a991 JS |
5830 | * @phba: pointer to lpfc hba data structure. |
5831 | * | |
2fcee4bf JS |
5832 | * This routine is invoked to setup the port-side endian order when |
5833 | * the port if_type is 0. This routine has no function for other | |
5834 | * if_types. | |
da0436e9 JS |
5835 | * |
5836 | * Return codes | |
af901ca1 | 5837 | * 0 - successful |
d439d286 JS |
5838 | * -ENOMEM - No availble memory |
5839 | * -EIO - The mailbox failed to complete successfully. | |
3772a991 | 5840 | **/ |
da0436e9 JS |
5841 | static int |
5842 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 5843 | { |
da0436e9 | 5844 | LPFC_MBOXQ_t *mboxq; |
2fcee4bf | 5845 | uint32_t if_type, rc = 0; |
da0436e9 JS |
5846 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, |
5847 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 5848 | |
2fcee4bf JS |
5849 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
5850 | switch (if_type) { | |
5851 | case LPFC_SLI_INTF_IF_TYPE_0: | |
5852 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
5853 | GFP_KERNEL); | |
5854 | if (!mboxq) { | |
5855 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5856 | "0492 Unable to allocate memory for " | |
5857 | "issuing SLI_CONFIG_SPECIAL mailbox " | |
5858 | "command\n"); | |
5859 | return -ENOMEM; | |
5860 | } | |
3772a991 | 5861 | |
2fcee4bf JS |
5862 | /* |
5863 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first | |
5864 | * two words to contain special data values and no other data. | |
5865 | */ | |
5866 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
5867 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
5868 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5869 | if (rc != MBX_SUCCESS) { | |
5870 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5871 | "0493 SLI_CONFIG_SPECIAL mailbox " | |
5872 | "failed with status x%x\n", | |
5873 | rc); | |
5874 | rc = -EIO; | |
5875 | } | |
5876 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5877 | break; | |
5878 | case LPFC_SLI_INTF_IF_TYPE_2: | |
5879 | case LPFC_SLI_INTF_IF_TYPE_1: | |
5880 | default: | |
5881 | break; | |
da0436e9 | 5882 | } |
da0436e9 | 5883 | return rc; |
3772a991 JS |
5884 | } |
5885 | ||
5886 | /** | |
da0436e9 | 5887 | * lpfc_sli4_queue_create - Create all the SLI4 queues |
3772a991 JS |
5888 | * @phba: pointer to lpfc hba data structure. |
5889 | * | |
da0436e9 JS |
5890 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA |
5891 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
5892 | * count (queue depth) shall be taken from the module parameter. For now, | |
5893 | * we just use some constant number as place holder. | |
5894 | * | |
5895 | * Return codes | |
af901ca1 | 5896 | * 0 - successful |
d439d286 JS |
5897 | * -ENOMEM - No availble memory |
5898 | * -EIO - The mailbox failed to complete successfully. | |
3772a991 | 5899 | **/ |
da0436e9 JS |
5900 | static int |
5901 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
3772a991 | 5902 | { |
da0436e9 JS |
5903 | struct lpfc_queue *qdesc; |
5904 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
5905 | int cfg_fcp_wq_count; | |
5906 | int cfg_fcp_eq_count; | |
3772a991 | 5907 | |
da0436e9 JS |
5908 | /* |
5909 | * Sanity check for confiugred queue parameters against the run-time | |
5910 | * device parameters | |
5911 | */ | |
3772a991 | 5912 | |
da0436e9 JS |
5913 | /* Sanity check on FCP fast-path WQ parameters */ |
5914 | cfg_fcp_wq_count = phba->cfg_fcp_wq_count; | |
5915 | if (cfg_fcp_wq_count > | |
5916 | (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) { | |
5917 | cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq - | |
5918 | LPFC_SP_WQN_DEF; | |
5919 | if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) { | |
5920 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5921 | "2581 Not enough WQs (%d) from " | |
5922 | "the pci function for supporting " | |
5923 | "FCP WQs (%d)\n", | |
5924 | phba->sli4_hba.max_cfg_param.max_wq, | |
5925 | phba->cfg_fcp_wq_count); | |
5926 | goto out_error; | |
5927 | } | |
5928 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5929 | "2582 Not enough WQs (%d) from the pci " | |
5930 | "function for supporting the requested " | |
5931 | "FCP WQs (%d), the actual FCP WQs can " | |
5932 | "be supported: %d\n", | |
5933 | phba->sli4_hba.max_cfg_param.max_wq, | |
5934 | phba->cfg_fcp_wq_count, cfg_fcp_wq_count); | |
5935 | } | |
5936 | /* The actual number of FCP work queues adopted */ | |
5937 | phba->cfg_fcp_wq_count = cfg_fcp_wq_count; | |
5938 | ||
5939 | /* Sanity check on FCP fast-path EQ parameters */ | |
5940 | cfg_fcp_eq_count = phba->cfg_fcp_eq_count; | |
5941 | if (cfg_fcp_eq_count > | |
5942 | (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) { | |
5943 | cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq - | |
5944 | LPFC_SP_EQN_DEF; | |
5945 | if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) { | |
5946 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5947 | "2574 Not enough EQs (%d) from the " | |
5948 | "pci function for supporting FCP " | |
5949 | "EQs (%d)\n", | |
5950 | phba->sli4_hba.max_cfg_param.max_eq, | |
5951 | phba->cfg_fcp_eq_count); | |
5952 | goto out_error; | |
5953 | } | |
5954 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5955 | "2575 Not enough EQs (%d) from the pci " | |
5956 | "function for supporting the requested " | |
5957 | "FCP EQs (%d), the actual FCP EQs can " | |
5958 | "be supported: %d\n", | |
5959 | phba->sli4_hba.max_cfg_param.max_eq, | |
5960 | phba->cfg_fcp_eq_count, cfg_fcp_eq_count); | |
5961 | } | |
5962 | /* It does not make sense to have more EQs than WQs */ | |
5963 | if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) { | |
5964 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6a9c52cf JS |
5965 | "2593 The FCP EQ count(%d) cannot be greater " |
5966 | "than the FCP WQ count(%d), limiting the " | |
5967 | "FCP EQ count to %d\n", cfg_fcp_eq_count, | |
da0436e9 JS |
5968 | phba->cfg_fcp_wq_count, |
5969 | phba->cfg_fcp_wq_count); | |
5970 | cfg_fcp_eq_count = phba->cfg_fcp_wq_count; | |
5971 | } | |
5972 | /* The actual number of FCP event queues adopted */ | |
5973 | phba->cfg_fcp_eq_count = cfg_fcp_eq_count; | |
5974 | /* The overall number of event queues used */ | |
5975 | phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF; | |
3772a991 | 5976 | |
da0436e9 JS |
5977 | /* |
5978 | * Create Event Queues (EQs) | |
5979 | */ | |
3772a991 | 5980 | |
da0436e9 JS |
5981 | /* Get EQ depth from module parameter, fake the default for now */ |
5982 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
5983 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 5984 | |
da0436e9 JS |
5985 | /* Create slow path event queue */ |
5986 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
5987 | phba->sli4_hba.eq_ecount); | |
5988 | if (!qdesc) { | |
5989 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5990 | "0496 Failed allocate slow-path EQ\n"); | |
5991 | goto out_error; | |
5992 | } | |
5993 | phba->sli4_hba.sp_eq = qdesc; | |
5994 | ||
5995 | /* Create fast-path FCP Event Queue(s) */ | |
5996 | phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) * | |
5997 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
5998 | if (!phba->sli4_hba.fp_eq) { | |
5999 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6000 | "2576 Failed allocate memory for fast-path " | |
6001 | "EQ record array\n"); | |
6002 | goto out_free_sp_eq; | |
6003 | } | |
6004 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
6005 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
6006 | phba->sli4_hba.eq_ecount); | |
6007 | if (!qdesc) { | |
6008 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6009 | "0497 Failed allocate fast-path EQ\n"); | |
6010 | goto out_free_fp_eq; | |
6011 | } | |
6012 | phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc; | |
6013 | } | |
6014 | ||
6015 | /* | |
6016 | * Create Complete Queues (CQs) | |
6017 | */ | |
6018 | ||
6019 | /* Get CQ depth from module parameter, fake the default for now */ | |
6020 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
6021 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
6022 | ||
6023 | /* Create slow-path Mailbox Command Complete Queue */ | |
6024 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6025 | phba->sli4_hba.cq_ecount); | |
6026 | if (!qdesc) { | |
6027 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6028 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
6029 | goto out_free_fp_eq; | |
6030 | } | |
6031 | phba->sli4_hba.mbx_cq = qdesc; | |
6032 | ||
6033 | /* Create slow-path ELS Complete Queue */ | |
6034 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6035 | phba->sli4_hba.cq_ecount); | |
6036 | if (!qdesc) { | |
6037 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6038 | "0501 Failed allocate slow-path ELS CQ\n"); | |
6039 | goto out_free_mbx_cq; | |
6040 | } | |
6041 | phba->sli4_hba.els_cq = qdesc; | |
6042 | ||
da0436e9 JS |
6043 | |
6044 | /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */ | |
6045 | phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) * | |
6046 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
6047 | if (!phba->sli4_hba.fcp_cq) { | |
6048 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6049 | "2577 Failed allocate memory for fast-path " | |
6050 | "CQ record array\n"); | |
4d9ab994 | 6051 | goto out_free_els_cq; |
da0436e9 JS |
6052 | } |
6053 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) { | |
6054 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6055 | phba->sli4_hba.cq_ecount); | |
6056 | if (!qdesc) { | |
6057 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6058 | "0499 Failed allocate fast-path FCP " | |
6059 | "CQ (%d)\n", fcp_cqidx); | |
6060 | goto out_free_fcp_cq; | |
6061 | } | |
6062 | phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc; | |
6063 | } | |
6064 | ||
6065 | /* Create Mailbox Command Queue */ | |
6066 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; | |
6067 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
6068 | ||
6069 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
6070 | phba->sli4_hba.mq_ecount); | |
6071 | if (!qdesc) { | |
6072 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6073 | "0505 Failed allocate slow-path MQ\n"); | |
6074 | goto out_free_fcp_cq; | |
6075 | } | |
6076 | phba->sli4_hba.mbx_wq = qdesc; | |
6077 | ||
6078 | /* | |
6079 | * Create all the Work Queues (WQs) | |
6080 | */ | |
6081 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
6082 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
6083 | ||
6084 | /* Create slow-path ELS Work Queue */ | |
6085 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
6086 | phba->sli4_hba.wq_ecount); | |
6087 | if (!qdesc) { | |
6088 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6089 | "0504 Failed allocate slow-path ELS WQ\n"); | |
6090 | goto out_free_mbx_wq; | |
6091 | } | |
6092 | phba->sli4_hba.els_wq = qdesc; | |
6093 | ||
6094 | /* Create fast-path FCP Work Queue(s) */ | |
6095 | phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) * | |
6096 | phba->cfg_fcp_wq_count), GFP_KERNEL); | |
6097 | if (!phba->sli4_hba.fcp_wq) { | |
6098 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6099 | "2578 Failed allocate memory for fast-path " | |
6100 | "WQ record array\n"); | |
6101 | goto out_free_els_wq; | |
6102 | } | |
6103 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) { | |
6104 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
6105 | phba->sli4_hba.wq_ecount); | |
6106 | if (!qdesc) { | |
6107 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6108 | "0503 Failed allocate fast-path FCP " | |
6109 | "WQ (%d)\n", fcp_wqidx); | |
6110 | goto out_free_fcp_wq; | |
6111 | } | |
6112 | phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc; | |
6113 | } | |
6114 | ||
6115 | /* | |
6116 | * Create Receive Queue (RQ) | |
6117 | */ | |
6118 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
6119 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
6120 | ||
6121 | /* Create Receive Queue for header */ | |
6122 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
6123 | phba->sli4_hba.rq_ecount); | |
6124 | if (!qdesc) { | |
6125 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6126 | "0506 Failed allocate receive HRQ\n"); | |
6127 | goto out_free_fcp_wq; | |
6128 | } | |
6129 | phba->sli4_hba.hdr_rq = qdesc; | |
6130 | ||
6131 | /* Create Receive Queue for data */ | |
6132 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
6133 | phba->sli4_hba.rq_ecount); | |
6134 | if (!qdesc) { | |
6135 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6136 | "0507 Failed allocate receive DRQ\n"); | |
6137 | goto out_free_hdr_rq; | |
6138 | } | |
6139 | phba->sli4_hba.dat_rq = qdesc; | |
6140 | ||
6141 | return 0; | |
6142 | ||
6143 | out_free_hdr_rq: | |
6144 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
6145 | phba->sli4_hba.hdr_rq = NULL; | |
6146 | out_free_fcp_wq: | |
6147 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) { | |
6148 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
6149 | phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL; | |
6150 | } | |
6151 | kfree(phba->sli4_hba.fcp_wq); | |
6152 | out_free_els_wq: | |
6153 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
6154 | phba->sli4_hba.els_wq = NULL; | |
6155 | out_free_mbx_wq: | |
6156 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
6157 | phba->sli4_hba.mbx_wq = NULL; | |
6158 | out_free_fcp_cq: | |
6159 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) { | |
6160 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
6161 | phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL; | |
6162 | } | |
6163 | kfree(phba->sli4_hba.fcp_cq); | |
da0436e9 JS |
6164 | out_free_els_cq: |
6165 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
6166 | phba->sli4_hba.els_cq = NULL; | |
6167 | out_free_mbx_cq: | |
6168 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
6169 | phba->sli4_hba.mbx_cq = NULL; | |
6170 | out_free_fp_eq: | |
6171 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) { | |
6172 | lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]); | |
6173 | phba->sli4_hba.fp_eq[fcp_eqidx] = NULL; | |
6174 | } | |
6175 | kfree(phba->sli4_hba.fp_eq); | |
6176 | out_free_sp_eq: | |
6177 | lpfc_sli4_queue_free(phba->sli4_hba.sp_eq); | |
6178 | phba->sli4_hba.sp_eq = NULL; | |
6179 | out_error: | |
6180 | return -ENOMEM; | |
6181 | } | |
6182 | ||
6183 | /** | |
6184 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
6185 | * @phba: pointer to lpfc hba data structure. | |
6186 | * | |
6187 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
6188 | * operation. | |
6189 | * | |
6190 | * Return codes | |
af901ca1 | 6191 | * 0 - successful |
d439d286 JS |
6192 | * -ENOMEM - No availble memory |
6193 | * -EIO - The mailbox failed to complete successfully. | |
da0436e9 JS |
6194 | **/ |
6195 | static void | |
6196 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) | |
6197 | { | |
6198 | int fcp_qidx; | |
6199 | ||
6200 | /* Release mailbox command work queue */ | |
6201 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
6202 | phba->sli4_hba.mbx_wq = NULL; | |
6203 | ||
6204 | /* Release ELS work queue */ | |
6205 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
6206 | phba->sli4_hba.els_wq = NULL; | |
6207 | ||
6208 | /* Release FCP work queue */ | |
6209 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) | |
6210 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]); | |
6211 | kfree(phba->sli4_hba.fcp_wq); | |
6212 | phba->sli4_hba.fcp_wq = NULL; | |
6213 | ||
6214 | /* Release unsolicited receive queue */ | |
6215 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
6216 | phba->sli4_hba.hdr_rq = NULL; | |
6217 | lpfc_sli4_queue_free(phba->sli4_hba.dat_rq); | |
6218 | phba->sli4_hba.dat_rq = NULL; | |
6219 | ||
da0436e9 JS |
6220 | /* Release ELS complete queue */ |
6221 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
6222 | phba->sli4_hba.els_cq = NULL; | |
6223 | ||
6224 | /* Release mailbox command complete queue */ | |
6225 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
6226 | phba->sli4_hba.mbx_cq = NULL; | |
6227 | ||
6228 | /* Release FCP response complete queue */ | |
6229 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
6230 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]); | |
6231 | kfree(phba->sli4_hba.fcp_cq); | |
6232 | phba->sli4_hba.fcp_cq = NULL; | |
6233 | ||
6234 | /* Release fast-path event queue */ | |
6235 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
6236 | lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]); | |
6237 | kfree(phba->sli4_hba.fp_eq); | |
6238 | phba->sli4_hba.fp_eq = NULL; | |
6239 | ||
6240 | /* Release slow-path event queue */ | |
6241 | lpfc_sli4_queue_free(phba->sli4_hba.sp_eq); | |
6242 | phba->sli4_hba.sp_eq = NULL; | |
6243 | ||
6244 | return; | |
6245 | } | |
6246 | ||
6247 | /** | |
6248 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
6249 | * @phba: pointer to lpfc hba data structure. | |
6250 | * | |
6251 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
6252 | * operation. | |
6253 | * | |
6254 | * Return codes | |
af901ca1 | 6255 | * 0 - successful |
d439d286 JS |
6256 | * -ENOMEM - No availble memory |
6257 | * -EIO - The mailbox failed to complete successfully. | |
da0436e9 JS |
6258 | **/ |
6259 | int | |
6260 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
6261 | { | |
6262 | int rc = -ENOMEM; | |
6263 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
6264 | int fcp_cq_index = 0; | |
6265 | ||
6266 | /* | |
6267 | * Set up Event Queues (EQs) | |
6268 | */ | |
6269 | ||
6270 | /* Set up slow-path event queue */ | |
6271 | if (!phba->sli4_hba.sp_eq) { | |
6272 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6273 | "0520 Slow-path EQ not allocated\n"); | |
6274 | goto out_error; | |
6275 | } | |
6276 | rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq, | |
6277 | LPFC_SP_DEF_IMAX); | |
6278 | if (rc) { | |
6279 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6280 | "0521 Failed setup of slow-path EQ: " | |
6281 | "rc = 0x%x\n", rc); | |
6282 | goto out_error; | |
6283 | } | |
6284 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6285 | "2583 Slow-path EQ setup: queue-id=%d\n", | |
6286 | phba->sli4_hba.sp_eq->queue_id); | |
6287 | ||
6288 | /* Set up fast-path event queue */ | |
6289 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
6290 | if (!phba->sli4_hba.fp_eq[fcp_eqidx]) { | |
6291 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6292 | "0522 Fast-path EQ (%d) not " | |
6293 | "allocated\n", fcp_eqidx); | |
6294 | goto out_destroy_fp_eq; | |
6295 | } | |
6296 | rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx], | |
6297 | phba->cfg_fcp_imax); | |
6298 | if (rc) { | |
6299 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6300 | "0523 Failed setup of fast-path EQ " | |
6301 | "(%d), rc = 0x%x\n", fcp_eqidx, rc); | |
6302 | goto out_destroy_fp_eq; | |
6303 | } | |
6304 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6305 | "2584 Fast-path EQ setup: " | |
6306 | "queue[%d]-id=%d\n", fcp_eqidx, | |
6307 | phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id); | |
6308 | } | |
6309 | ||
6310 | /* | |
6311 | * Set up Complete Queues (CQs) | |
6312 | */ | |
6313 | ||
6314 | /* Set up slow-path MBOX Complete Queue as the first CQ */ | |
6315 | if (!phba->sli4_hba.mbx_cq) { | |
6316 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6317 | "0528 Mailbox CQ not allocated\n"); | |
6318 | goto out_destroy_fp_eq; | |
6319 | } | |
6320 | rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq, | |
6321 | LPFC_MCQ, LPFC_MBOX); | |
6322 | if (rc) { | |
6323 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6324 | "0529 Failed setup of slow-path mailbox CQ: " | |
6325 | "rc = 0x%x\n", rc); | |
6326 | goto out_destroy_fp_eq; | |
6327 | } | |
6328 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6329 | "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n", | |
6330 | phba->sli4_hba.mbx_cq->queue_id, | |
6331 | phba->sli4_hba.sp_eq->queue_id); | |
6332 | ||
6333 | /* Set up slow-path ELS Complete Queue */ | |
6334 | if (!phba->sli4_hba.els_cq) { | |
6335 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6336 | "0530 ELS CQ not allocated\n"); | |
6337 | goto out_destroy_mbx_cq; | |
6338 | } | |
6339 | rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq, | |
6340 | LPFC_WCQ, LPFC_ELS); | |
6341 | if (rc) { | |
6342 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6343 | "0531 Failed setup of slow-path ELS CQ: " | |
6344 | "rc = 0x%x\n", rc); | |
6345 | goto out_destroy_mbx_cq; | |
6346 | } | |
6347 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6348 | "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n", | |
6349 | phba->sli4_hba.els_cq->queue_id, | |
6350 | phba->sli4_hba.sp_eq->queue_id); | |
6351 | ||
da0436e9 JS |
6352 | /* Set up fast-path FCP Response Complete Queue */ |
6353 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) { | |
6354 | if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) { | |
6355 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6356 | "0526 Fast-path FCP CQ (%d) not " | |
6357 | "allocated\n", fcp_cqidx); | |
6358 | goto out_destroy_fcp_cq; | |
6359 | } | |
6360 | rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx], | |
6361 | phba->sli4_hba.fp_eq[fcp_cqidx], | |
6362 | LPFC_WCQ, LPFC_FCP); | |
6363 | if (rc) { | |
6364 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6365 | "0527 Failed setup of fast-path FCP " | |
6366 | "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc); | |
6367 | goto out_destroy_fcp_cq; | |
6368 | } | |
6369 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6370 | "2588 FCP CQ setup: cq[%d]-id=%d, " | |
6371 | "parent eq[%d]-id=%d\n", | |
6372 | fcp_cqidx, | |
6373 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id, | |
6374 | fcp_cqidx, | |
6375 | phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id); | |
6376 | } | |
6377 | ||
6378 | /* | |
6379 | * Set up all the Work Queues (WQs) | |
6380 | */ | |
6381 | ||
6382 | /* Set up Mailbox Command Queue */ | |
6383 | if (!phba->sli4_hba.mbx_wq) { | |
6384 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6385 | "0538 Slow-path MQ not allocated\n"); | |
6386 | goto out_destroy_fcp_cq; | |
6387 | } | |
6388 | rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq, | |
6389 | phba->sli4_hba.mbx_cq, LPFC_MBOX); | |
6390 | if (rc) { | |
6391 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6392 | "0539 Failed setup of slow-path MQ: " | |
6393 | "rc = 0x%x\n", rc); | |
6394 | goto out_destroy_fcp_cq; | |
6395 | } | |
6396 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6397 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
6398 | phba->sli4_hba.mbx_wq->queue_id, | |
6399 | phba->sli4_hba.mbx_cq->queue_id); | |
6400 | ||
6401 | /* Set up slow-path ELS Work Queue */ | |
6402 | if (!phba->sli4_hba.els_wq) { | |
6403 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6404 | "0536 Slow-path ELS WQ not allocated\n"); | |
6405 | goto out_destroy_mbx_wq; | |
6406 | } | |
6407 | rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq, | |
6408 | phba->sli4_hba.els_cq, LPFC_ELS); | |
6409 | if (rc) { | |
6410 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6411 | "0537 Failed setup of slow-path ELS WQ: " | |
6412 | "rc = 0x%x\n", rc); | |
6413 | goto out_destroy_mbx_wq; | |
6414 | } | |
6415 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6416 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
6417 | phba->sli4_hba.els_wq->queue_id, | |
6418 | phba->sli4_hba.els_cq->queue_id); | |
6419 | ||
6420 | /* Set up fast-path FCP Work Queue */ | |
6421 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) { | |
6422 | if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) { | |
6423 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6424 | "0534 Fast-path FCP WQ (%d) not " | |
6425 | "allocated\n", fcp_wqidx); | |
6426 | goto out_destroy_fcp_wq; | |
6427 | } | |
6428 | rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx], | |
6429 | phba->sli4_hba.fcp_cq[fcp_cq_index], | |
6430 | LPFC_FCP); | |
6431 | if (rc) { | |
6432 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6433 | "0535 Failed setup of fast-path FCP " | |
6434 | "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc); | |
6435 | goto out_destroy_fcp_wq; | |
6436 | } | |
6437 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6438 | "2591 FCP WQ setup: wq[%d]-id=%d, " | |
6439 | "parent cq[%d]-id=%d\n", | |
6440 | fcp_wqidx, | |
6441 | phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id, | |
6442 | fcp_cq_index, | |
6443 | phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id); | |
6444 | /* Round robin FCP Work Queue's Completion Queue assignment */ | |
6445 | fcp_cq_index = ((fcp_cq_index + 1) % phba->cfg_fcp_eq_count); | |
6446 | } | |
6447 | ||
6448 | /* | |
6449 | * Create Receive Queue (RQ) | |
6450 | */ | |
6451 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { | |
6452 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6453 | "0540 Receive Queue not allocated\n"); | |
6454 | goto out_destroy_fcp_wq; | |
6455 | } | |
6456 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, | |
4d9ab994 | 6457 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
6458 | if (rc) { |
6459 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6460 | "0541 Failed setup of Receive Queue: " | |
6461 | "rc = 0x%x\n", rc); | |
6462 | goto out_destroy_fcp_wq; | |
6463 | } | |
6464 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6465 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
6466 | "parent cq-id=%d\n", | |
6467 | phba->sli4_hba.hdr_rq->queue_id, | |
6468 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 6469 | phba->sli4_hba.els_cq->queue_id); |
da0436e9 JS |
6470 | return 0; |
6471 | ||
6472 | out_destroy_fcp_wq: | |
6473 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) | |
6474 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
6475 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
6476 | out_destroy_mbx_wq: | |
6477 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
6478 | out_destroy_fcp_cq: | |
6479 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) | |
6480 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
da0436e9 JS |
6481 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); |
6482 | out_destroy_mbx_cq: | |
6483 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
6484 | out_destroy_fp_eq: | |
6485 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) | |
6486 | lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]); | |
6487 | lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq); | |
6488 | out_error: | |
6489 | return rc; | |
6490 | } | |
6491 | ||
6492 | /** | |
6493 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
6494 | * @phba: pointer to lpfc hba data structure. | |
6495 | * | |
6496 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
6497 | * operation. | |
6498 | * | |
6499 | * Return codes | |
af901ca1 | 6500 | * 0 - successful |
d439d286 JS |
6501 | * -ENOMEM - No availble memory |
6502 | * -EIO - The mailbox failed to complete successfully. | |
da0436e9 JS |
6503 | **/ |
6504 | void | |
6505 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
6506 | { | |
6507 | int fcp_qidx; | |
6508 | ||
6509 | /* Unset mailbox command work queue */ | |
6510 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
6511 | /* Unset ELS work queue */ | |
6512 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
6513 | /* Unset unsolicited receive queue */ | |
6514 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); | |
6515 | /* Unset FCP work queue */ | |
6516 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) | |
6517 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]); | |
6518 | /* Unset mailbox command complete queue */ | |
6519 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
6520 | /* Unset ELS complete queue */ | |
6521 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
da0436e9 JS |
6522 | /* Unset FCP response complete queue */ |
6523 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
6524 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]); | |
6525 | /* Unset fast-path event queue */ | |
6526 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
6527 | lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]); | |
6528 | /* Unset slow-path event queue */ | |
6529 | lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq); | |
6530 | } | |
6531 | ||
6532 | /** | |
6533 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
6534 | * @phba: pointer to lpfc hba data structure. | |
6535 | * | |
6536 | * This routine is invoked to allocate and set up a pool of completion queue | |
6537 | * events. The body of the completion queue event is a completion queue entry | |
6538 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
6539 | * the following HBA completion queue events for the worker thread to process: | |
6540 | * - Mailbox asynchronous events | |
6541 | * - Receive queue completion unsolicited events | |
6542 | * Later, this can be used for all the slow-path events. | |
6543 | * | |
6544 | * Return codes | |
af901ca1 | 6545 | * 0 - successful |
da0436e9 JS |
6546 | * -ENOMEM - No availble memory |
6547 | **/ | |
6548 | static int | |
6549 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
6550 | { | |
6551 | struct lpfc_cq_event *cq_event; | |
6552 | int i; | |
6553 | ||
6554 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
6555 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
6556 | if (!cq_event) | |
6557 | goto out_pool_create_fail; | |
6558 | list_add_tail(&cq_event->list, | |
6559 | &phba->sli4_hba.sp_cqe_event_pool); | |
6560 | } | |
6561 | return 0; | |
6562 | ||
6563 | out_pool_create_fail: | |
6564 | lpfc_sli4_cq_event_pool_destroy(phba); | |
6565 | return -ENOMEM; | |
6566 | } | |
6567 | ||
6568 | /** | |
6569 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
6570 | * @phba: pointer to lpfc hba data structure. | |
6571 | * | |
6572 | * This routine is invoked to free the pool of completion queue events at | |
6573 | * driver unload time. Note that, it is the responsibility of the driver | |
6574 | * cleanup routine to free all the outstanding completion-queue events | |
6575 | * allocated from this pool back into the pool before invoking this routine | |
6576 | * to destroy the pool. | |
6577 | **/ | |
6578 | static void | |
6579 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
6580 | { | |
6581 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
6582 | ||
6583 | list_for_each_entry_safe(cq_event, next_cq_event, | |
6584 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
6585 | list_del(&cq_event->list); | |
6586 | kfree(cq_event); | |
6587 | } | |
6588 | } | |
6589 | ||
6590 | /** | |
6591 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
6592 | * @phba: pointer to lpfc hba data structure. | |
6593 | * | |
6594 | * This routine is the lock free version of the API invoked to allocate a | |
6595 | * completion-queue event from the free pool. | |
6596 | * | |
6597 | * Return: Pointer to the newly allocated completion-queue event if successful | |
6598 | * NULL otherwise. | |
6599 | **/ | |
6600 | struct lpfc_cq_event * | |
6601 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
6602 | { | |
6603 | struct lpfc_cq_event *cq_event = NULL; | |
6604 | ||
6605 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
6606 | struct lpfc_cq_event, list); | |
6607 | return cq_event; | |
6608 | } | |
6609 | ||
6610 | /** | |
6611 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
6612 | * @phba: pointer to lpfc hba data structure. | |
6613 | * | |
6614 | * This routine is the lock version of the API invoked to allocate a | |
6615 | * completion-queue event from the free pool. | |
6616 | * | |
6617 | * Return: Pointer to the newly allocated completion-queue event if successful | |
6618 | * NULL otherwise. | |
6619 | **/ | |
6620 | struct lpfc_cq_event * | |
6621 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
6622 | { | |
6623 | struct lpfc_cq_event *cq_event; | |
6624 | unsigned long iflags; | |
6625 | ||
6626 | spin_lock_irqsave(&phba->hbalock, iflags); | |
6627 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
6628 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
6629 | return cq_event; | |
6630 | } | |
6631 | ||
6632 | /** | |
6633 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
6634 | * @phba: pointer to lpfc hba data structure. | |
6635 | * @cq_event: pointer to the completion queue event to be freed. | |
6636 | * | |
6637 | * This routine is the lock free version of the API invoked to release a | |
6638 | * completion-queue event back into the free pool. | |
6639 | **/ | |
6640 | void | |
6641 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
6642 | struct lpfc_cq_event *cq_event) | |
6643 | { | |
6644 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
6645 | } | |
6646 | ||
6647 | /** | |
6648 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
6649 | * @phba: pointer to lpfc hba data structure. | |
6650 | * @cq_event: pointer to the completion queue event to be freed. | |
6651 | * | |
6652 | * This routine is the lock version of the API invoked to release a | |
6653 | * completion-queue event back into the free pool. | |
6654 | **/ | |
6655 | void | |
6656 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
6657 | struct lpfc_cq_event *cq_event) | |
6658 | { | |
6659 | unsigned long iflags; | |
6660 | spin_lock_irqsave(&phba->hbalock, iflags); | |
6661 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
6662 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
6663 | } | |
6664 | ||
6665 | /** | |
6666 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
6667 | * @phba: pointer to lpfc hba data structure. | |
6668 | * | |
6669 | * This routine is to free all the pending completion-queue events to the | |
6670 | * back into the free pool for device reset. | |
6671 | **/ | |
6672 | static void | |
6673 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
6674 | { | |
6675 | LIST_HEAD(cqelist); | |
6676 | struct lpfc_cq_event *cqe; | |
6677 | unsigned long iflags; | |
6678 | ||
6679 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
6680 | spin_lock_irqsave(&phba->hbalock, iflags); | |
6681 | /* Pending FCP XRI abort events */ | |
6682 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
6683 | &cqelist); | |
6684 | /* Pending ELS XRI abort events */ | |
6685 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
6686 | &cqelist); | |
6687 | /* Pending asynnc events */ | |
6688 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
6689 | &cqelist); | |
6690 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
6691 | ||
6692 | while (!list_empty(&cqelist)) { | |
6693 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
6694 | lpfc_sli4_cq_event_release(phba, cqe); | |
6695 | } | |
6696 | } | |
6697 | ||
6698 | /** | |
6699 | * lpfc_pci_function_reset - Reset pci function. | |
6700 | * @phba: pointer to lpfc hba data structure. | |
6701 | * | |
6702 | * This routine is invoked to request a PCI function reset. It will destroys | |
6703 | * all resources assigned to the PCI function which originates this request. | |
6704 | * | |
6705 | * Return codes | |
af901ca1 | 6706 | * 0 - successful |
d439d286 JS |
6707 | * -ENOMEM - No availble memory |
6708 | * -EIO - The mailbox failed to complete successfully. | |
da0436e9 JS |
6709 | **/ |
6710 | int | |
6711 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
6712 | { | |
6713 | LPFC_MBOXQ_t *mboxq; | |
2fcee4bf | 6714 | uint32_t rc = 0, if_type; |
da0436e9 | 6715 | uint32_t shdr_status, shdr_add_status; |
2fcee4bf | 6716 | uint32_t rdy_chk, num_resets = 0, reset_again = 0; |
da0436e9 | 6717 | union lpfc_sli4_cfg_shdr *shdr; |
2fcee4bf | 6718 | struct lpfc_register reg_data; |
da0436e9 | 6719 | |
2fcee4bf JS |
6720 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
6721 | switch (if_type) { | |
6722 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6723 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
6724 | GFP_KERNEL); | |
6725 | if (!mboxq) { | |
6726 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6727 | "0494 Unable to allocate memory for " | |
6728 | "issuing SLI_FUNCTION_RESET mailbox " | |
6729 | "command\n"); | |
6730 | return -ENOMEM; | |
6731 | } | |
da0436e9 | 6732 | |
2fcee4bf JS |
6733 | /* Setup PCI function reset mailbox-ioctl command */ |
6734 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6735 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
6736 | LPFC_SLI4_MBX_EMBED); | |
6737 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6738 | shdr = (union lpfc_sli4_cfg_shdr *) | |
6739 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
6740 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6741 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
6742 | &shdr->response); | |
6743 | if (rc != MBX_TIMEOUT) | |
6744 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6745 | if (shdr_status || shdr_add_status || rc) { | |
6746 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6747 | "0495 SLI_FUNCTION_RESET mailbox " | |
6748 | "failed with status x%x add_status x%x," | |
6749 | " mbx status x%x\n", | |
6750 | shdr_status, shdr_add_status, rc); | |
6751 | rc = -ENXIO; | |
6752 | } | |
6753 | break; | |
6754 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6755 | for (num_resets = 0; | |
6756 | num_resets < MAX_IF_TYPE_2_RESETS; | |
6757 | num_resets++) { | |
6758 | reg_data.word0 = 0; | |
6759 | bf_set(lpfc_sliport_ctrl_end, ®_data, | |
6760 | LPFC_SLIPORT_LITTLE_ENDIAN); | |
6761 | bf_set(lpfc_sliport_ctrl_ip, ®_data, | |
6762 | LPFC_SLIPORT_INIT_PORT); | |
6763 | writel(reg_data.word0, phba->sli4_hba.u.if_type2. | |
6764 | CTRLregaddr); | |
6765 | ||
6766 | /* | |
6767 | * Poll the Port Status Register and wait for RDY for | |
6768 | * up to 10 seconds. If the port doesn't respond, treat | |
6769 | * it as an error. If the port responds with RN, start | |
6770 | * the loop again. | |
6771 | */ | |
6772 | for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) { | |
9940b97b JS |
6773 | if (lpfc_readl(phba->sli4_hba.u.if_type2. |
6774 | STATUSregaddr, ®_data.word0)) { | |
6775 | rc = -ENODEV; | |
6776 | break; | |
6777 | } | |
2fcee4bf JS |
6778 | if (bf_get(lpfc_sliport_status_rdy, ®_data)) |
6779 | break; | |
6780 | if (bf_get(lpfc_sliport_status_rn, ®_data)) { | |
6781 | reset_again++; | |
6782 | break; | |
6783 | } | |
6784 | msleep(10); | |
6785 | } | |
6786 | ||
6787 | /* | |
6788 | * If the port responds to the init request with | |
6789 | * reset needed, delay for a bit and restart the loop. | |
6790 | */ | |
6791 | if (reset_again) { | |
6792 | msleep(10); | |
6793 | reset_again = 0; | |
6794 | continue; | |
6795 | } | |
6796 | ||
6797 | /* Detect any port errors. */ | |
9940b97b JS |
6798 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
6799 | ®_data.word0)) { | |
6800 | rc = -ENODEV; | |
6801 | break; | |
6802 | } | |
2fcee4bf JS |
6803 | if ((bf_get(lpfc_sliport_status_err, ®_data)) || |
6804 | (rdy_chk >= 1000)) { | |
6805 | phba->work_status[0] = readl( | |
6806 | phba->sli4_hba.u.if_type2.ERR1regaddr); | |
6807 | phba->work_status[1] = readl( | |
6808 | phba->sli4_hba.u.if_type2.ERR2regaddr); | |
6809 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6810 | "2890 Port Error Detected " | |
6811 | "during Port Reset: " | |
6812 | "port status reg 0x%x, " | |
6813 | "error 1=0x%x, error 2=0x%x\n", | |
6814 | reg_data.word0, | |
6815 | phba->work_status[0], | |
6816 | phba->work_status[1]); | |
6817 | rc = -ENODEV; | |
6818 | } | |
6819 | ||
6820 | /* | |
6821 | * Terminate the outer loop provided the Port indicated | |
6822 | * ready within 10 seconds. | |
6823 | */ | |
6824 | if (rdy_chk < 1000) | |
6825 | break; | |
6826 | } | |
6827 | break; | |
6828 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6829 | default: | |
6830 | break; | |
da0436e9 | 6831 | } |
2fcee4bf JS |
6832 | |
6833 | /* Catch the not-ready port failure after a port reset. */ | |
6834 | if (num_resets >= MAX_IF_TYPE_2_RESETS) | |
6835 | rc = -ENODEV; | |
6836 | ||
da0436e9 JS |
6837 | return rc; |
6838 | } | |
6839 | ||
6840 | /** | |
6841 | * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands | |
6842 | * @phba: pointer to lpfc hba data structure. | |
6843 | * @cnt: number of nop mailbox commands to send. | |
6844 | * | |
6845 | * This routine is invoked to send a number @cnt of NOP mailbox command and | |
6846 | * wait for each command to complete. | |
6847 | * | |
6848 | * Return: the number of NOP mailbox command completed. | |
6849 | **/ | |
6850 | static int | |
6851 | lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt) | |
6852 | { | |
6853 | LPFC_MBOXQ_t *mboxq; | |
6854 | int length, cmdsent; | |
6855 | uint32_t mbox_tmo; | |
6856 | uint32_t rc = 0; | |
6857 | uint32_t shdr_status, shdr_add_status; | |
6858 | union lpfc_sli4_cfg_shdr *shdr; | |
6859 | ||
6860 | if (cnt == 0) { | |
6861 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6862 | "2518 Requested to send 0 NOP mailbox cmd\n"); | |
6863 | return cnt; | |
6864 | } | |
6865 | ||
6866 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6867 | if (!mboxq) { | |
6868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6869 | "2519 Unable to allocate memory for issuing " | |
6870 | "NOP mailbox command\n"); | |
6871 | return 0; | |
6872 | } | |
6873 | ||
6874 | /* Set up NOP SLI4_CONFIG mailbox-ioctl command */ | |
6875 | length = (sizeof(struct lpfc_mbx_nop) - | |
6876 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6877 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6878 | LPFC_MBOX_OPCODE_NOP, length, LPFC_SLI4_MBX_EMBED); | |
6879 | ||
6880 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
6881 | for (cmdsent = 0; cmdsent < cnt; cmdsent++) { | |
6882 | if (!phba->sli4_hba.intr_enable) | |
6883 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6884 | else | |
6885 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
6886 | if (rc == MBX_TIMEOUT) | |
6887 | break; | |
6888 | /* Check return status */ | |
6889 | shdr = (union lpfc_sli4_cfg_shdr *) | |
6890 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
6891 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6892 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
6893 | &shdr->response); | |
6894 | if (shdr_status || shdr_add_status || rc) { | |
6895 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6896 | "2520 NOP mailbox command failed " | |
6897 | "status x%x add_status x%x mbx " | |
6898 | "status x%x\n", shdr_status, | |
6899 | shdr_add_status, rc); | |
6900 | break; | |
6901 | } | |
6902 | } | |
6903 | ||
6904 | if (rc != MBX_TIMEOUT) | |
6905 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6906 | ||
6907 | return cmdsent; | |
6908 | } | |
6909 | ||
da0436e9 JS |
6910 | /** |
6911 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
6912 | * @phba: pointer to lpfc hba data structure. | |
6913 | * | |
6914 | * This routine is invoked to set up the PCI device memory space for device | |
6915 | * with SLI-4 interface spec. | |
6916 | * | |
6917 | * Return codes | |
af901ca1 | 6918 | * 0 - successful |
da0436e9 JS |
6919 | * other values - error |
6920 | **/ | |
6921 | static int | |
6922 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
6923 | { | |
6924 | struct pci_dev *pdev; | |
6925 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
6926 | int error = -ENODEV; | |
2fcee4bf | 6927 | uint32_t if_type; |
da0436e9 JS |
6928 | |
6929 | /* Obtain PCI device reference */ | |
6930 | if (!phba->pcidev) | |
6931 | return error; | |
6932 | else | |
6933 | pdev = phba->pcidev; | |
6934 | ||
6935 | /* Set the device DMA mask size */ | |
8e68597d MR |
6936 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
6937 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
6938 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
6939 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 6940 | return error; |
8e68597d MR |
6941 | } |
6942 | } | |
da0436e9 | 6943 | |
2fcee4bf JS |
6944 | /* |
6945 | * The BARs and register set definitions and offset locations are | |
6946 | * dependent on the if_type. | |
6947 | */ | |
6948 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, | |
6949 | &phba->sli4_hba.sli_intf.word0)) { | |
6950 | return error; | |
6951 | } | |
6952 | ||
6953 | /* There is no SLI3 failback for SLI4 devices. */ | |
6954 | if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != | |
6955 | LPFC_SLI_INTF_VALID) { | |
6956 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6957 | "2894 SLI_INTF reg contents invalid " | |
6958 | "sli_intf reg 0x%x\n", | |
6959 | phba->sli4_hba.sli_intf.word0); | |
6960 | return error; | |
6961 | } | |
6962 | ||
6963 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
6964 | /* | |
6965 | * Get the bus address of SLI4 device Bar regions and the | |
6966 | * number of bytes required by each mapping. The mapping of the | |
6967 | * particular PCI BARs regions is dependent on the type of | |
6968 | * SLI4 device. | |
da0436e9 | 6969 | */ |
1dfb5a47 JS |
6970 | if (pci_resource_start(pdev, 0)) { |
6971 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
6972 | bar0map_len = pci_resource_len(pdev, 0); | |
2fcee4bf JS |
6973 | |
6974 | /* | |
6975 | * Map SLI4 PCI Config Space Register base to a kernel virtual | |
6976 | * addr | |
6977 | */ | |
6978 | phba->sli4_hba.conf_regs_memmap_p = | |
6979 | ioremap(phba->pci_bar0_map, bar0map_len); | |
6980 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
6981 | dev_printk(KERN_ERR, &pdev->dev, | |
6982 | "ioremap failed for SLI4 PCI config " | |
6983 | "registers.\n"); | |
6984 | goto out; | |
6985 | } | |
6986 | /* Set up BAR0 PCI config space register memory map */ | |
6987 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
1dfb5a47 JS |
6988 | } else { |
6989 | phba->pci_bar0_map = pci_resource_start(pdev, 1); | |
6990 | bar0map_len = pci_resource_len(pdev, 1); | |
2fcee4bf JS |
6991 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { |
6992 | dev_printk(KERN_ERR, &pdev->dev, | |
6993 | "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); | |
6994 | goto out; | |
6995 | } | |
6996 | phba->sli4_hba.conf_regs_memmap_p = | |
da0436e9 | 6997 | ioremap(phba->pci_bar0_map, bar0map_len); |
2fcee4bf JS |
6998 | if (!phba->sli4_hba.conf_regs_memmap_p) { |
6999 | dev_printk(KERN_ERR, &pdev->dev, | |
7000 | "ioremap failed for SLI4 PCI config " | |
7001 | "registers.\n"); | |
7002 | goto out; | |
7003 | } | |
7004 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
da0436e9 JS |
7005 | } |
7006 | ||
2fcee4bf JS |
7007 | if (pci_resource_start(pdev, 2)) { |
7008 | /* | |
7009 | * Map SLI4 if type 0 HBA Control Register base to a kernel | |
7010 | * virtual address and setup the registers. | |
7011 | */ | |
7012 | phba->pci_bar1_map = pci_resource_start(pdev, 2); | |
7013 | bar1map_len = pci_resource_len(pdev, 2); | |
7014 | phba->sli4_hba.ctrl_regs_memmap_p = | |
da0436e9 | 7015 | ioremap(phba->pci_bar1_map, bar1map_len); |
2fcee4bf JS |
7016 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { |
7017 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 7018 | "ioremap failed for SLI4 HBA control registers.\n"); |
2fcee4bf JS |
7019 | goto out_iounmap_conf; |
7020 | } | |
7021 | lpfc_sli4_bar1_register_memmap(phba); | |
da0436e9 JS |
7022 | } |
7023 | ||
2fcee4bf JS |
7024 | if (pci_resource_start(pdev, 4)) { |
7025 | /* | |
7026 | * Map SLI4 if type 0 HBA Doorbell Register base to a kernel | |
7027 | * virtual address and setup the registers. | |
7028 | */ | |
7029 | phba->pci_bar2_map = pci_resource_start(pdev, 4); | |
7030 | bar2map_len = pci_resource_len(pdev, 4); | |
7031 | phba->sli4_hba.drbl_regs_memmap_p = | |
da0436e9 | 7032 | ioremap(phba->pci_bar2_map, bar2map_len); |
2fcee4bf JS |
7033 | if (!phba->sli4_hba.drbl_regs_memmap_p) { |
7034 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 7035 | "ioremap failed for SLI4 HBA doorbell registers.\n"); |
2fcee4bf JS |
7036 | goto out_iounmap_ctrl; |
7037 | } | |
7038 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); | |
7039 | if (error) | |
7040 | goto out_iounmap_all; | |
da0436e9 JS |
7041 | } |
7042 | ||
da0436e9 JS |
7043 | return 0; |
7044 | ||
7045 | out_iounmap_all: | |
7046 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
7047 | out_iounmap_ctrl: | |
7048 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
7049 | out_iounmap_conf: | |
7050 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
7051 | out: | |
7052 | return error; | |
7053 | } | |
7054 | ||
7055 | /** | |
7056 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
7057 | * @phba: pointer to lpfc hba data structure. | |
7058 | * | |
7059 | * This routine is invoked to unset the PCI device memory space for device | |
7060 | * with SLI-4 interface spec. | |
7061 | **/ | |
7062 | static void | |
7063 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
7064 | { | |
7065 | struct pci_dev *pdev; | |
7066 | ||
7067 | /* Obtain PCI device reference */ | |
7068 | if (!phba->pcidev) | |
7069 | return; | |
7070 | else | |
7071 | pdev = phba->pcidev; | |
7072 | ||
7073 | /* Free coherent DMA memory allocated */ | |
7074 | ||
7075 | /* Unmap I/O memory space */ | |
7076 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
7077 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
7078 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
7079 | ||
7080 | return; | |
7081 | } | |
7082 | ||
7083 | /** | |
7084 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
7085 | * @phba: pointer to lpfc hba data structure. | |
7086 | * | |
7087 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
7088 | * with SLI-3 interface specs. The kernel function pci_enable_msix() is | |
7089 | * called to enable the MSI-X vectors. Note that pci_enable_msix(), once | |
7090 | * invoked, enables either all or nothing, depending on the current | |
7091 | * availability of PCI vector resources. The device driver is responsible | |
7092 | * for calling the individual request_irq() to register each MSI-X vector | |
7093 | * with a interrupt handler, which is done in this function. Note that | |
7094 | * later when device is unloading, the driver should always call free_irq() | |
7095 | * on all MSI-X vectors it has done request_irq() on before calling | |
7096 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
7097 | * will be left with MSI-X enabled and leaks its vectors. | |
7098 | * | |
7099 | * Return codes | |
af901ca1 | 7100 | * 0 - successful |
da0436e9 JS |
7101 | * other values - error |
7102 | **/ | |
7103 | static int | |
7104 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
7105 | { | |
7106 | int rc, i; | |
7107 | LPFC_MBOXQ_t *pmb; | |
7108 | ||
7109 | /* Set up MSI-X multi-message vectors */ | |
7110 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
7111 | phba->msix_entries[i].entry = i; | |
7112 | ||
7113 | /* Configure MSI-X capability structure */ | |
7114 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
7115 | ARRAY_SIZE(phba->msix_entries)); | |
7116 | if (rc) { | |
7117 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7118 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
7119 | goto msi_fail_out; | |
7120 | } | |
7121 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
7122 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7123 | "0477 MSI-X entry[%d]: vector=x%x " | |
7124 | "message=%d\n", i, | |
7125 | phba->msix_entries[i].vector, | |
7126 | phba->msix_entries[i].entry); | |
7127 | /* | |
7128 | * Assign MSI-X vectors to interrupt handlers | |
7129 | */ | |
7130 | ||
7131 | /* vector-0 is associated to slow-path handler */ | |
7132 | rc = request_irq(phba->msix_entries[0].vector, | |
7133 | &lpfc_sli_sp_intr_handler, IRQF_SHARED, | |
7134 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
7135 | if (rc) { | |
7136 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7137 | "0421 MSI-X slow-path request_irq failed " | |
7138 | "(%d)\n", rc); | |
7139 | goto msi_fail_out; | |
7140 | } | |
7141 | ||
7142 | /* vector-1 is associated to fast-path handler */ | |
7143 | rc = request_irq(phba->msix_entries[1].vector, | |
7144 | &lpfc_sli_fp_intr_handler, IRQF_SHARED, | |
7145 | LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
7146 | ||
7147 | if (rc) { | |
7148 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7149 | "0429 MSI-X fast-path request_irq failed " | |
7150 | "(%d)\n", rc); | |
7151 | goto irq_fail_out; | |
7152 | } | |
7153 | ||
7154 | /* | |
7155 | * Configure HBA MSI-X attention conditions to messages | |
7156 | */ | |
7157 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7158 | ||
7159 | if (!pmb) { | |
7160 | rc = -ENOMEM; | |
7161 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7162 | "0474 Unable to allocate memory for issuing " | |
7163 | "MBOX_CONFIG_MSI command\n"); | |
7164 | goto mem_fail_out; | |
7165 | } | |
7166 | rc = lpfc_config_msi(phba, pmb); | |
7167 | if (rc) | |
7168 | goto mbx_fail_out; | |
7169 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
7170 | if (rc != MBX_SUCCESS) { | |
7171 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
7172 | "0351 Config MSI mailbox command failed, " | |
7173 | "mbxCmd x%x, mbxStatus x%x\n", | |
7174 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
7175 | goto mbx_fail_out; | |
7176 | } | |
7177 | ||
7178 | /* Free memory allocated for mailbox command */ | |
7179 | mempool_free(pmb, phba->mbox_mem_pool); | |
7180 | return rc; | |
7181 | ||
7182 | mbx_fail_out: | |
7183 | /* Free memory allocated for mailbox command */ | |
7184 | mempool_free(pmb, phba->mbox_mem_pool); | |
7185 | ||
7186 | mem_fail_out: | |
7187 | /* free the irq already requested */ | |
7188 | free_irq(phba->msix_entries[1].vector, phba); | |
7189 | ||
7190 | irq_fail_out: | |
7191 | /* free the irq already requested */ | |
7192 | free_irq(phba->msix_entries[0].vector, phba); | |
7193 | ||
7194 | msi_fail_out: | |
7195 | /* Unconfigure MSI-X capability structure */ | |
7196 | pci_disable_msix(phba->pcidev); | |
7197 | return rc; | |
7198 | } | |
7199 | ||
7200 | /** | |
7201 | * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device. | |
7202 | * @phba: pointer to lpfc hba data structure. | |
7203 | * | |
7204 | * This routine is invoked to release the MSI-X vectors and then disable the | |
7205 | * MSI-X interrupt mode to device with SLI-3 interface spec. | |
7206 | **/ | |
7207 | static void | |
7208 | lpfc_sli_disable_msix(struct lpfc_hba *phba) | |
7209 | { | |
7210 | int i; | |
7211 | ||
7212 | /* Free up MSI-X multi-message vectors */ | |
7213 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
7214 | free_irq(phba->msix_entries[i].vector, phba); | |
7215 | /* Disable MSI-X */ | |
7216 | pci_disable_msix(phba->pcidev); | |
7217 | ||
7218 | return; | |
7219 | } | |
7220 | ||
7221 | /** | |
7222 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
7223 | * @phba: pointer to lpfc hba data structure. | |
7224 | * | |
7225 | * This routine is invoked to enable the MSI interrupt mode to device with | |
7226 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
7227 | * enable the MSI vector. The device driver is responsible for calling the | |
7228 | * request_irq() to register MSI vector with a interrupt the handler, which | |
7229 | * is done in this function. | |
7230 | * | |
7231 | * Return codes | |
af901ca1 | 7232 | * 0 - successful |
da0436e9 JS |
7233 | * other values - error |
7234 | */ | |
7235 | static int | |
7236 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
7237 | { | |
7238 | int rc; | |
7239 | ||
7240 | rc = pci_enable_msi(phba->pcidev); | |
7241 | if (!rc) | |
7242 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7243 | "0462 PCI enable MSI mode success.\n"); | |
7244 | else { | |
7245 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7246 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
7247 | return rc; | |
7248 | } | |
7249 | ||
7250 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
7251 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
7252 | if (rc) { | |
7253 | pci_disable_msi(phba->pcidev); | |
7254 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7255 | "0478 MSI request_irq failed (%d)\n", rc); | |
7256 | } | |
7257 | return rc; | |
7258 | } | |
7259 | ||
7260 | /** | |
7261 | * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device. | |
7262 | * @phba: pointer to lpfc hba data structure. | |
7263 | * | |
7264 | * This routine is invoked to disable the MSI interrupt mode to device with | |
7265 | * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has | |
7266 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
7267 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
7268 | * its vector. | |
7269 | */ | |
7270 | static void | |
7271 | lpfc_sli_disable_msi(struct lpfc_hba *phba) | |
7272 | { | |
7273 | free_irq(phba->pcidev->irq, phba); | |
7274 | pci_disable_msi(phba->pcidev); | |
7275 | return; | |
7276 | } | |
7277 | ||
7278 | /** | |
7279 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
7280 | * @phba: pointer to lpfc hba data structure. | |
7281 | * | |
7282 | * This routine is invoked to enable device interrupt and associate driver's | |
7283 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
7284 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
7285 | * will try to fallback from the configured interrupt mode to an interrupt | |
7286 | * mode which is supported by the platform, kernel, and device in the order | |
7287 | * of: | |
7288 | * MSI-X -> MSI -> IRQ. | |
7289 | * | |
7290 | * Return codes | |
af901ca1 | 7291 | * 0 - successful |
da0436e9 JS |
7292 | * other values - error |
7293 | **/ | |
7294 | static uint32_t | |
7295 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
7296 | { | |
7297 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
7298 | int retval; | |
7299 | ||
7300 | if (cfg_mode == 2) { | |
7301 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
7302 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
7303 | if (!retval) { | |
7304 | /* Now, try to enable MSI-X interrupt mode */ | |
7305 | retval = lpfc_sli_enable_msix(phba); | |
7306 | if (!retval) { | |
7307 | /* Indicate initialization to MSI-X mode */ | |
7308 | phba->intr_type = MSIX; | |
7309 | intr_mode = 2; | |
7310 | } | |
7311 | } | |
7312 | } | |
7313 | ||
7314 | /* Fallback to MSI if MSI-X initialization failed */ | |
7315 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
7316 | retval = lpfc_sli_enable_msi(phba); | |
7317 | if (!retval) { | |
7318 | /* Indicate initialization to MSI mode */ | |
7319 | phba->intr_type = MSI; | |
7320 | intr_mode = 1; | |
7321 | } | |
7322 | } | |
7323 | ||
7324 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
7325 | if (phba->intr_type == NONE) { | |
7326 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
7327 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
7328 | if (!retval) { | |
7329 | /* Indicate initialization to INTx mode */ | |
7330 | phba->intr_type = INTx; | |
7331 | intr_mode = 0; | |
7332 | } | |
7333 | } | |
7334 | return intr_mode; | |
7335 | } | |
7336 | ||
7337 | /** | |
7338 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
7339 | * @phba: pointer to lpfc hba data structure. | |
7340 | * | |
7341 | * This routine is invoked to disable device interrupt and disassociate the | |
7342 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
7343 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
7344 | * release the interrupt vector(s) for the message signaled interrupt. | |
7345 | **/ | |
7346 | static void | |
7347 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
7348 | { | |
7349 | /* Disable the currently initialized interrupt mode */ | |
7350 | if (phba->intr_type == MSIX) | |
7351 | lpfc_sli_disable_msix(phba); | |
7352 | else if (phba->intr_type == MSI) | |
7353 | lpfc_sli_disable_msi(phba); | |
7354 | else if (phba->intr_type == INTx) | |
7355 | free_irq(phba->pcidev->irq, phba); | |
7356 | ||
7357 | /* Reset interrupt management states */ | |
7358 | phba->intr_type = NONE; | |
7359 | phba->sli.slistat.sli_intr = 0; | |
7360 | ||
7361 | return; | |
7362 | } | |
7363 | ||
7364 | /** | |
7365 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
7366 | * @phba: pointer to lpfc hba data structure. | |
7367 | * | |
7368 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
7369 | * with SLI-4 interface spec. The kernel function pci_enable_msix() is called | |
7370 | * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked, | |
7371 | * enables either all or nothing, depending on the current availability of | |
7372 | * PCI vector resources. The device driver is responsible for calling the | |
7373 | * individual request_irq() to register each MSI-X vector with a interrupt | |
7374 | * handler, which is done in this function. Note that later when device is | |
7375 | * unloading, the driver should always call free_irq() on all MSI-X vectors | |
7376 | * it has done request_irq() on before calling pci_disable_msix(). Failure | |
7377 | * to do so results in a BUG_ON() and a device will be left with MSI-X | |
7378 | * enabled and leaks its vectors. | |
7379 | * | |
7380 | * Return codes | |
af901ca1 | 7381 | * 0 - successful |
da0436e9 JS |
7382 | * other values - error |
7383 | **/ | |
7384 | static int | |
7385 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
7386 | { | |
75baf696 | 7387 | int vectors, rc, index; |
da0436e9 JS |
7388 | |
7389 | /* Set up MSI-X multi-message vectors */ | |
7390 | for (index = 0; index < phba->sli4_hba.cfg_eqn; index++) | |
7391 | phba->sli4_hba.msix_entries[index].entry = index; | |
7392 | ||
7393 | /* Configure MSI-X capability structure */ | |
75baf696 JS |
7394 | vectors = phba->sli4_hba.cfg_eqn; |
7395 | enable_msix_vectors: | |
da0436e9 | 7396 | rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries, |
75baf696 JS |
7397 | vectors); |
7398 | if (rc > 1) { | |
7399 | vectors = rc; | |
7400 | goto enable_msix_vectors; | |
7401 | } else if (rc) { | |
da0436e9 JS |
7402 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7403 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
7404 | goto msi_fail_out; | |
7405 | } | |
75baf696 | 7406 | |
da0436e9 | 7407 | /* Log MSI-X vector assignment */ |
75baf696 | 7408 | for (index = 0; index < vectors; index++) |
da0436e9 JS |
7409 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7410 | "0489 MSI-X entry[%d]: vector=x%x " | |
7411 | "message=%d\n", index, | |
7412 | phba->sli4_hba.msix_entries[index].vector, | |
7413 | phba->sli4_hba.msix_entries[index].entry); | |
7414 | /* | |
7415 | * Assign MSI-X vectors to interrupt handlers | |
7416 | */ | |
7417 | ||
7418 | /* The first vector must associated to slow-path handler for MQ */ | |
7419 | rc = request_irq(phba->sli4_hba.msix_entries[0].vector, | |
7420 | &lpfc_sli4_sp_intr_handler, IRQF_SHARED, | |
7421 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
7422 | if (rc) { | |
7423 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7424 | "0485 MSI-X slow-path request_irq failed " | |
7425 | "(%d)\n", rc); | |
7426 | goto msi_fail_out; | |
7427 | } | |
7428 | ||
7429 | /* The rest of the vector(s) are associated to fast-path handler(s) */ | |
75baf696 | 7430 | for (index = 1; index < vectors; index++) { |
da0436e9 JS |
7431 | phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1; |
7432 | phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba; | |
7433 | rc = request_irq(phba->sli4_hba.msix_entries[index].vector, | |
7434 | &lpfc_sli4_fp_intr_handler, IRQF_SHARED, | |
7435 | LPFC_FP_DRIVER_HANDLER_NAME, | |
7436 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
7437 | if (rc) { | |
7438 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7439 | "0486 MSI-X fast-path (%d) " | |
7440 | "request_irq failed (%d)\n", index, rc); | |
7441 | goto cfg_fail_out; | |
7442 | } | |
7443 | } | |
75baf696 | 7444 | phba->sli4_hba.msix_vec_nr = vectors; |
da0436e9 JS |
7445 | |
7446 | return rc; | |
7447 | ||
7448 | cfg_fail_out: | |
7449 | /* free the irq already requested */ | |
7450 | for (--index; index >= 1; index--) | |
7451 | free_irq(phba->sli4_hba.msix_entries[index - 1].vector, | |
7452 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
7453 | ||
7454 | /* free the irq already requested */ | |
7455 | free_irq(phba->sli4_hba.msix_entries[0].vector, phba); | |
7456 | ||
7457 | msi_fail_out: | |
7458 | /* Unconfigure MSI-X capability structure */ | |
7459 | pci_disable_msix(phba->pcidev); | |
7460 | return rc; | |
7461 | } | |
7462 | ||
7463 | /** | |
7464 | * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device | |
7465 | * @phba: pointer to lpfc hba data structure. | |
7466 | * | |
7467 | * This routine is invoked to release the MSI-X vectors and then disable the | |
7468 | * MSI-X interrupt mode to device with SLI-4 interface spec. | |
7469 | **/ | |
7470 | static void | |
7471 | lpfc_sli4_disable_msix(struct lpfc_hba *phba) | |
7472 | { | |
7473 | int index; | |
7474 | ||
7475 | /* Free up MSI-X multi-message vectors */ | |
7476 | free_irq(phba->sli4_hba.msix_entries[0].vector, phba); | |
7477 | ||
75baf696 | 7478 | for (index = 1; index < phba->sli4_hba.msix_vec_nr; index++) |
da0436e9 JS |
7479 | free_irq(phba->sli4_hba.msix_entries[index].vector, |
7480 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
75baf696 | 7481 | |
da0436e9 JS |
7482 | /* Disable MSI-X */ |
7483 | pci_disable_msix(phba->pcidev); | |
7484 | ||
7485 | return; | |
7486 | } | |
7487 | ||
7488 | /** | |
7489 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
7490 | * @phba: pointer to lpfc hba data structure. | |
7491 | * | |
7492 | * This routine is invoked to enable the MSI interrupt mode to device with | |
7493 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
7494 | * to enable the MSI vector. The device driver is responsible for calling | |
7495 | * the request_irq() to register MSI vector with a interrupt the handler, | |
7496 | * which is done in this function. | |
7497 | * | |
7498 | * Return codes | |
af901ca1 | 7499 | * 0 - successful |
da0436e9 JS |
7500 | * other values - error |
7501 | **/ | |
7502 | static int | |
7503 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
7504 | { | |
7505 | int rc, index; | |
7506 | ||
7507 | rc = pci_enable_msi(phba->pcidev); | |
7508 | if (!rc) | |
7509 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7510 | "0487 PCI enable MSI mode success.\n"); | |
7511 | else { | |
7512 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7513 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
7514 | return rc; | |
7515 | } | |
7516 | ||
7517 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
7518 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
7519 | if (rc) { | |
7520 | pci_disable_msi(phba->pcidev); | |
7521 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7522 | "0490 MSI request_irq failed (%d)\n", rc); | |
75baf696 | 7523 | return rc; |
da0436e9 JS |
7524 | } |
7525 | ||
7526 | for (index = 0; index < phba->cfg_fcp_eq_count; index++) { | |
7527 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
7528 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
7529 | } | |
7530 | ||
75baf696 | 7531 | return 0; |
da0436e9 JS |
7532 | } |
7533 | ||
7534 | /** | |
7535 | * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device | |
7536 | * @phba: pointer to lpfc hba data structure. | |
7537 | * | |
7538 | * This routine is invoked to disable the MSI interrupt mode to device with | |
7539 | * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has | |
7540 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
7541 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
7542 | * its vector. | |
7543 | **/ | |
7544 | static void | |
7545 | lpfc_sli4_disable_msi(struct lpfc_hba *phba) | |
7546 | { | |
7547 | free_irq(phba->pcidev->irq, phba); | |
7548 | pci_disable_msi(phba->pcidev); | |
7549 | return; | |
7550 | } | |
7551 | ||
7552 | /** | |
7553 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
7554 | * @phba: pointer to lpfc hba data structure. | |
7555 | * | |
7556 | * This routine is invoked to enable device interrupt and associate driver's | |
7557 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
7558 | * interface spec. Depends on the interrupt mode configured to the driver, | |
7559 | * the driver will try to fallback from the configured interrupt mode to an | |
7560 | * interrupt mode which is supported by the platform, kernel, and device in | |
7561 | * the order of: | |
7562 | * MSI-X -> MSI -> IRQ. | |
7563 | * | |
7564 | * Return codes | |
af901ca1 | 7565 | * 0 - successful |
da0436e9 JS |
7566 | * other values - error |
7567 | **/ | |
7568 | static uint32_t | |
7569 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
7570 | { | |
7571 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
7572 | int retval, index; | |
7573 | ||
7574 | if (cfg_mode == 2) { | |
7575 | /* Preparation before conf_msi mbox cmd */ | |
7576 | retval = 0; | |
7577 | if (!retval) { | |
7578 | /* Now, try to enable MSI-X interrupt mode */ | |
7579 | retval = lpfc_sli4_enable_msix(phba); | |
7580 | if (!retval) { | |
7581 | /* Indicate initialization to MSI-X mode */ | |
7582 | phba->intr_type = MSIX; | |
7583 | intr_mode = 2; | |
7584 | } | |
7585 | } | |
7586 | } | |
7587 | ||
7588 | /* Fallback to MSI if MSI-X initialization failed */ | |
7589 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
7590 | retval = lpfc_sli4_enable_msi(phba); | |
7591 | if (!retval) { | |
7592 | /* Indicate initialization to MSI mode */ | |
7593 | phba->intr_type = MSI; | |
7594 | intr_mode = 1; | |
7595 | } | |
7596 | } | |
7597 | ||
7598 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
7599 | if (phba->intr_type == NONE) { | |
7600 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
7601 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
7602 | if (!retval) { | |
7603 | /* Indicate initialization to INTx mode */ | |
7604 | phba->intr_type = INTx; | |
7605 | intr_mode = 0; | |
7606 | for (index = 0; index < phba->cfg_fcp_eq_count; | |
7607 | index++) { | |
7608 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
7609 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
7610 | } | |
7611 | } | |
7612 | } | |
7613 | return intr_mode; | |
7614 | } | |
7615 | ||
7616 | /** | |
7617 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
7618 | * @phba: pointer to lpfc hba data structure. | |
7619 | * | |
7620 | * This routine is invoked to disable device interrupt and disassociate | |
7621 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
7622 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
7623 | * will release the interrupt vector(s) for the message signaled interrupt. | |
7624 | **/ | |
7625 | static void | |
7626 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
7627 | { | |
7628 | /* Disable the currently initialized interrupt mode */ | |
7629 | if (phba->intr_type == MSIX) | |
7630 | lpfc_sli4_disable_msix(phba); | |
7631 | else if (phba->intr_type == MSI) | |
7632 | lpfc_sli4_disable_msi(phba); | |
7633 | else if (phba->intr_type == INTx) | |
7634 | free_irq(phba->pcidev->irq, phba); | |
7635 | ||
7636 | /* Reset interrupt management states */ | |
7637 | phba->intr_type = NONE; | |
7638 | phba->sli.slistat.sli_intr = 0; | |
7639 | ||
7640 | return; | |
7641 | } | |
7642 | ||
7643 | /** | |
7644 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
7645 | * @phba: pointer to lpfc hba data structure. | |
7646 | * | |
7647 | * This routine is invoked to unset the HBA device initialization steps to | |
7648 | * a device with SLI-3 interface spec. | |
7649 | **/ | |
7650 | static void | |
7651 | lpfc_unset_hba(struct lpfc_hba *phba) | |
7652 | { | |
7653 | struct lpfc_vport *vport = phba->pport; | |
7654 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
7655 | ||
7656 | spin_lock_irq(shost->host_lock); | |
7657 | vport->load_flag |= FC_UNLOADING; | |
7658 | spin_unlock_irq(shost->host_lock); | |
7659 | ||
7660 | lpfc_stop_hba_timers(phba); | |
7661 | ||
7662 | phba->pport->work_port_events = 0; | |
7663 | ||
7664 | lpfc_sli_hba_down(phba); | |
7665 | ||
7666 | lpfc_sli_brdrestart(phba); | |
7667 | ||
7668 | lpfc_sli_disable_intr(phba); | |
7669 | ||
7670 | return; | |
7671 | } | |
7672 | ||
7673 | /** | |
7674 | * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization. | |
7675 | * @phba: pointer to lpfc hba data structure. | |
7676 | * | |
7677 | * This routine is invoked to unset the HBA device initialization steps to | |
7678 | * a device with SLI-4 interface spec. | |
7679 | **/ | |
7680 | static void | |
7681 | lpfc_sli4_unset_hba(struct lpfc_hba *phba) | |
7682 | { | |
7683 | struct lpfc_vport *vport = phba->pport; | |
7684 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
7685 | ||
7686 | spin_lock_irq(shost->host_lock); | |
7687 | vport->load_flag |= FC_UNLOADING; | |
7688 | spin_unlock_irq(shost->host_lock); | |
7689 | ||
7690 | phba->pport->work_port_events = 0; | |
7691 | ||
3677a3a7 JS |
7692 | /* Stop the SLI4 device port */ |
7693 | lpfc_stop_port(phba); | |
da0436e9 JS |
7694 | |
7695 | lpfc_sli4_disable_intr(phba); | |
7696 | ||
3677a3a7 JS |
7697 | /* Reset SLI4 HBA FCoE function */ |
7698 | lpfc_pci_function_reset(phba); | |
7699 | ||
da0436e9 JS |
7700 | return; |
7701 | } | |
7702 | ||
5af5eee7 JS |
7703 | /** |
7704 | * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy | |
7705 | * @phba: Pointer to HBA context object. | |
7706 | * | |
7707 | * This function is called in the SLI4 code path to wait for completion | |
7708 | * of device's XRIs exchange busy. It will check the XRI exchange busy | |
7709 | * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after | |
7710 | * that, it will check the XRI exchange busy on outstanding FCP and ELS | |
7711 | * I/Os every 30 seconds, log error message, and wait forever. Only when | |
7712 | * all XRI exchange busy complete, the driver unload shall proceed with | |
7713 | * invoking the function reset ioctl mailbox command to the CNA and the | |
7714 | * the rest of the driver unload resource release. | |
7715 | **/ | |
7716 | static void | |
7717 | lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) | |
7718 | { | |
7719 | int wait_time = 0; | |
7720 | int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
7721 | int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
7722 | ||
7723 | while (!fcp_xri_cmpl || !els_xri_cmpl) { | |
7724 | if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { | |
7725 | if (!fcp_xri_cmpl) | |
7726 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7727 | "2877 FCP XRI exchange busy " | |
7728 | "wait time: %d seconds.\n", | |
7729 | wait_time/1000); | |
7730 | if (!els_xri_cmpl) | |
7731 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7732 | "2878 ELS XRI exchange busy " | |
7733 | "wait time: %d seconds.\n", | |
7734 | wait_time/1000); | |
7735 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); | |
7736 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; | |
7737 | } else { | |
7738 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); | |
7739 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; | |
7740 | } | |
7741 | fcp_xri_cmpl = | |
7742 | list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
7743 | els_xri_cmpl = | |
7744 | list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
7745 | } | |
7746 | } | |
7747 | ||
da0436e9 JS |
7748 | /** |
7749 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
7750 | * @phba: Pointer to HBA context object. | |
7751 | * | |
7752 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
7753 | * function. The caller is not required to hold any lock. This routine | |
7754 | * issues PCI function reset mailbox command to reset the FCoE function. | |
7755 | * At the end of the function, it calls lpfc_hba_down_post function to | |
7756 | * free any pending commands. | |
7757 | **/ | |
7758 | static void | |
7759 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
7760 | { | |
7761 | int wait_cnt = 0; | |
7762 | LPFC_MBOXQ_t *mboxq; | |
7763 | ||
7764 | lpfc_stop_hba_timers(phba); | |
7765 | phba->sli4_hba.intr_enable = 0; | |
7766 | ||
7767 | /* | |
7768 | * Gracefully wait out the potential current outstanding asynchronous | |
7769 | * mailbox command. | |
7770 | */ | |
7771 | ||
7772 | /* First, block any pending async mailbox command from posted */ | |
7773 | spin_lock_irq(&phba->hbalock); | |
7774 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
7775 | spin_unlock_irq(&phba->hbalock); | |
7776 | /* Now, trying to wait it out if we can */ | |
7777 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
7778 | msleep(10); | |
7779 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
7780 | break; | |
7781 | } | |
7782 | /* Forcefully release the outstanding mailbox command if timed out */ | |
7783 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
7784 | spin_lock_irq(&phba->hbalock); | |
7785 | mboxq = phba->sli.mbox_active; | |
7786 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
7787 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
7788 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
7789 | phba->sli.mbox_active = NULL; | |
7790 | spin_unlock_irq(&phba->hbalock); | |
7791 | } | |
7792 | ||
5af5eee7 JS |
7793 | /* Abort all iocbs associated with the hba */ |
7794 | lpfc_sli_hba_iocb_abort(phba); | |
7795 | ||
7796 | /* Wait for completion of device XRI exchange busy */ | |
7797 | lpfc_sli4_xri_exchange_busy_wait(phba); | |
7798 | ||
da0436e9 JS |
7799 | /* Disable PCI subsystem interrupt */ |
7800 | lpfc_sli4_disable_intr(phba); | |
7801 | ||
7802 | /* Stop kthread signal shall trigger work_done one more time */ | |
7803 | kthread_stop(phba->worker_thread); | |
7804 | ||
3677a3a7 JS |
7805 | /* Reset SLI4 HBA FCoE function */ |
7806 | lpfc_pci_function_reset(phba); | |
7807 | ||
da0436e9 JS |
7808 | /* Stop the SLI4 device port */ |
7809 | phba->pport->work_port_events = 0; | |
7810 | } | |
7811 | ||
28baac74 JS |
7812 | /** |
7813 | * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. | |
7814 | * @phba: Pointer to HBA context object. | |
7815 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
7816 | * | |
7817 | * This function is called in the SLI4 code path to read the port's | |
7818 | * sli4 capabilities. | |
7819 | * | |
7820 | * This function may be be called from any context that can block-wait | |
7821 | * for the completion. The expectation is that this routine is called | |
7822 | * typically from probe_one or from the online routine. | |
7823 | **/ | |
7824 | int | |
7825 | lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
7826 | { | |
7827 | int rc; | |
7828 | struct lpfc_mqe *mqe; | |
7829 | struct lpfc_pc_sli4_params *sli4_params; | |
7830 | uint32_t mbox_tmo; | |
7831 | ||
7832 | rc = 0; | |
7833 | mqe = &mboxq->u.mqe; | |
7834 | ||
7835 | /* Read the port's SLI4 Parameters port capabilities */ | |
fedd3b7b | 7836 | lpfc_pc_sli4_params(mboxq); |
28baac74 JS |
7837 | if (!phba->sli4_hba.intr_enable) |
7838 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7839 | else { | |
7840 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_PORT_CAPABILITIES); | |
7841 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
7842 | } | |
7843 | ||
7844 | if (unlikely(rc)) | |
7845 | return 1; | |
7846 | ||
7847 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
7848 | sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); | |
7849 | sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); | |
7850 | sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); | |
7851 | sli4_params->featurelevel_1 = bf_get(featurelevel_1, | |
7852 | &mqe->un.sli4_params); | |
7853 | sli4_params->featurelevel_2 = bf_get(featurelevel_2, | |
7854 | &mqe->un.sli4_params); | |
7855 | sli4_params->proto_types = mqe->un.sli4_params.word3; | |
7856 | sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; | |
7857 | sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); | |
7858 | sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); | |
7859 | sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); | |
7860 | sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); | |
7861 | sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); | |
7862 | sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); | |
7863 | sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); | |
7864 | sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); | |
7865 | sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); | |
7866 | sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); | |
7867 | sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); | |
7868 | sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); | |
7869 | sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); | |
7870 | sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); | |
7871 | sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); | |
7872 | sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); | |
7873 | sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); | |
7874 | sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); | |
7875 | sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); | |
7876 | return rc; | |
7877 | } | |
7878 | ||
fedd3b7b JS |
7879 | /** |
7880 | * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. | |
7881 | * @phba: Pointer to HBA context object. | |
7882 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
7883 | * | |
7884 | * This function is called in the SLI4 code path to read the port's | |
7885 | * sli4 capabilities. | |
7886 | * | |
7887 | * This function may be be called from any context that can block-wait | |
7888 | * for the completion. The expectation is that this routine is called | |
7889 | * typically from probe_one or from the online routine. | |
7890 | **/ | |
7891 | int | |
7892 | lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
7893 | { | |
7894 | int rc; | |
7895 | struct lpfc_mqe *mqe = &mboxq->u.mqe; | |
7896 | struct lpfc_pc_sli4_params *sli4_params; | |
7897 | int length; | |
7898 | struct lpfc_sli4_parameters *mbx_sli4_parameters; | |
7899 | ||
7900 | /* Read the port's SLI4 Config Parameters */ | |
7901 | length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - | |
7902 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
7903 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7904 | LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, | |
7905 | length, LPFC_SLI4_MBX_EMBED); | |
7906 | if (!phba->sli4_hba.intr_enable) | |
7907 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7908 | else | |
7909 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, | |
7910 | lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG)); | |
7911 | if (unlikely(rc)) | |
7912 | return rc; | |
7913 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
7914 | mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; | |
7915 | sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); | |
7916 | sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); | |
7917 | sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); | |
7918 | sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, | |
7919 | mbx_sli4_parameters); | |
7920 | sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, | |
7921 | mbx_sli4_parameters); | |
7922 | if (bf_get(cfg_phwq, mbx_sli4_parameters)) | |
7923 | phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; | |
7924 | else | |
7925 | phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; | |
7926 | sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; | |
7927 | sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); | |
7928 | sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); | |
7929 | sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); | |
7930 | sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); | |
7931 | sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); | |
7932 | sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, | |
7933 | mbx_sli4_parameters); | |
7934 | sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, | |
7935 | mbx_sli4_parameters); | |
7936 | return 0; | |
7937 | } | |
7938 | ||
da0436e9 JS |
7939 | /** |
7940 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
7941 | * @pdev: pointer to PCI device | |
7942 | * @pid: pointer to PCI device identifier | |
7943 | * | |
7944 | * This routine is to be called to attach a device with SLI-3 interface spec | |
7945 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
7946 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
7947 | * information of the device and driver to see if the driver state that it can | |
7948 | * support this kind of device. If the match is successful, the driver core | |
7949 | * invokes this routine. If this routine determines it can claim the HBA, it | |
7950 | * does all the initialization that it needs to do to handle the HBA properly. | |
7951 | * | |
7952 | * Return code | |
7953 | * 0 - driver can claim the device | |
7954 | * negative value - driver can not claim the device | |
7955 | **/ | |
7956 | static int __devinit | |
7957 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) | |
7958 | { | |
7959 | struct lpfc_hba *phba; | |
7960 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 7961 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
7962 | int error; |
7963 | uint32_t cfg_mode, intr_mode; | |
7964 | ||
7965 | /* Allocate memory for HBA structure */ | |
7966 | phba = lpfc_hba_alloc(pdev); | |
7967 | if (!phba) | |
7968 | return -ENOMEM; | |
7969 | ||
7970 | /* Perform generic PCI device enabling operation */ | |
7971 | error = lpfc_enable_pci_dev(phba); | |
7972 | if (error) { | |
7973 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7974 | "1401 Failed to enable pci device.\n"); | |
7975 | goto out_free_phba; | |
7976 | } | |
7977 | ||
7978 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
7979 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
7980 | if (error) | |
7981 | goto out_disable_pci_dev; | |
7982 | ||
7983 | /* Set up SLI-3 specific device PCI memory space */ | |
7984 | error = lpfc_sli_pci_mem_setup(phba); | |
7985 | if (error) { | |
7986 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7987 | "1402 Failed to set up pci memory space.\n"); | |
7988 | goto out_disable_pci_dev; | |
7989 | } | |
7990 | ||
7991 | /* Set up phase-1 common device driver resources */ | |
7992 | error = lpfc_setup_driver_resource_phase1(phba); | |
7993 | if (error) { | |
7994 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7995 | "1403 Failed to set up driver resource.\n"); | |
7996 | goto out_unset_pci_mem_s3; | |
7997 | } | |
7998 | ||
7999 | /* Set up SLI-3 specific device driver resources */ | |
8000 | error = lpfc_sli_driver_resource_setup(phba); | |
8001 | if (error) { | |
8002 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8003 | "1404 Failed to set up driver resource.\n"); | |
8004 | goto out_unset_pci_mem_s3; | |
8005 | } | |
8006 | ||
8007 | /* Initialize and populate the iocb list per host */ | |
8008 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); | |
8009 | if (error) { | |
8010 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8011 | "1405 Failed to initialize iocb list.\n"); | |
8012 | goto out_unset_driver_resource_s3; | |
8013 | } | |
8014 | ||
8015 | /* Set up common device driver resources */ | |
8016 | error = lpfc_setup_driver_resource_phase2(phba); | |
8017 | if (error) { | |
8018 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8019 | "1406 Failed to set up driver resource.\n"); | |
8020 | goto out_free_iocb_list; | |
8021 | } | |
8022 | ||
8023 | /* Create SCSI host to the physical port */ | |
8024 | error = lpfc_create_shost(phba); | |
8025 | if (error) { | |
8026 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8027 | "1407 Failed to create scsi host.\n"); | |
8028 | goto out_unset_driver_resource; | |
8029 | } | |
8030 | ||
8031 | /* Configure sysfs attributes */ | |
8032 | vport = phba->pport; | |
8033 | error = lpfc_alloc_sysfs_attr(vport); | |
8034 | if (error) { | |
8035 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8036 | "1476 Failed to allocate sysfs attr\n"); | |
8037 | goto out_destroy_shost; | |
8038 | } | |
8039 | ||
6669f9bb | 8040 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
8041 | /* Now, trying to enable interrupt and bring up the device */ |
8042 | cfg_mode = phba->cfg_use_msi; | |
8043 | while (true) { | |
8044 | /* Put device to a known state before enabling interrupt */ | |
8045 | lpfc_stop_port(phba); | |
8046 | /* Configure and enable interrupt */ | |
8047 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
8048 | if (intr_mode == LPFC_INTR_ERROR) { | |
8049 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8050 | "0431 Failed to enable interrupt.\n"); | |
8051 | error = -ENODEV; | |
8052 | goto out_free_sysfs_attr; | |
8053 | } | |
8054 | /* SLI-3 HBA setup */ | |
8055 | if (lpfc_sli_hba_setup(phba)) { | |
8056 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8057 | "1477 Failed to set up hba\n"); | |
8058 | error = -ENODEV; | |
8059 | goto out_remove_device; | |
8060 | } | |
8061 | ||
8062 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
8063 | msleep(50); | |
8064 | /* Check active interrupts on message signaled interrupts */ | |
8065 | if (intr_mode == 0 || | |
8066 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
8067 | /* Log the current active interrupt mode */ | |
8068 | phba->intr_mode = intr_mode; | |
8069 | lpfc_log_intr_mode(phba, intr_mode); | |
8070 | break; | |
8071 | } else { | |
8072 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8073 | "0447 Configure interrupt mode (%d) " | |
8074 | "failed active interrupt test.\n", | |
8075 | intr_mode); | |
8076 | /* Disable the current interrupt mode */ | |
8077 | lpfc_sli_disable_intr(phba); | |
8078 | /* Try next level of interrupt mode */ | |
8079 | cfg_mode = --intr_mode; | |
8080 | } | |
8081 | } | |
8082 | ||
8083 | /* Perform post initialization setup */ | |
8084 | lpfc_post_init_setup(phba); | |
8085 | ||
8086 | /* Check if there are static vports to be created. */ | |
8087 | lpfc_create_static_vport(phba); | |
8088 | ||
8089 | return 0; | |
8090 | ||
8091 | out_remove_device: | |
8092 | lpfc_unset_hba(phba); | |
8093 | out_free_sysfs_attr: | |
8094 | lpfc_free_sysfs_attr(vport); | |
8095 | out_destroy_shost: | |
8096 | lpfc_destroy_shost(phba); | |
8097 | out_unset_driver_resource: | |
8098 | lpfc_unset_driver_resource_phase2(phba); | |
8099 | out_free_iocb_list: | |
8100 | lpfc_free_iocb_list(phba); | |
8101 | out_unset_driver_resource_s3: | |
8102 | lpfc_sli_driver_resource_unset(phba); | |
8103 | out_unset_pci_mem_s3: | |
8104 | lpfc_sli_pci_mem_unset(phba); | |
8105 | out_disable_pci_dev: | |
8106 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
8107 | if (shost) |
8108 | scsi_host_put(shost); | |
da0436e9 JS |
8109 | out_free_phba: |
8110 | lpfc_hba_free(phba); | |
8111 | return error; | |
8112 | } | |
8113 | ||
8114 | /** | |
8115 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
8116 | * @pdev: pointer to PCI device | |
8117 | * | |
8118 | * This routine is to be called to disattach a device with SLI-3 interface | |
8119 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
8120 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
8121 | * device to be removed from the PCI subsystem properly. | |
8122 | **/ | |
8123 | static void __devexit | |
8124 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) | |
8125 | { | |
8126 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8127 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
8128 | struct lpfc_vport **vports; | |
8129 | struct lpfc_hba *phba = vport->phba; | |
8130 | int i; | |
8131 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
8132 | ||
8133 | spin_lock_irq(&phba->hbalock); | |
8134 | vport->load_flag |= FC_UNLOADING; | |
8135 | spin_unlock_irq(&phba->hbalock); | |
8136 | ||
8137 | lpfc_free_sysfs_attr(vport); | |
8138 | ||
8139 | /* Release all the vports against this physical port */ | |
8140 | vports = lpfc_create_vport_work_array(phba); | |
8141 | if (vports != NULL) | |
8142 | for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) | |
8143 | fc_vport_terminate(vports[i]->fc_vport); | |
8144 | lpfc_destroy_vport_work_array(phba, vports); | |
8145 | ||
8146 | /* Remove FC host and then SCSI host with the physical port */ | |
8147 | fc_remove_host(shost); | |
8148 | scsi_remove_host(shost); | |
8149 | lpfc_cleanup(vport); | |
8150 | ||
8151 | /* | |
8152 | * Bring down the SLI Layer. This step disable all interrupts, | |
8153 | * clears the rings, discards all mailbox commands, and resets | |
8154 | * the HBA. | |
8155 | */ | |
8156 | ||
48e34d0f | 8157 | /* HBA interrupt will be disabled after this call */ |
da0436e9 JS |
8158 | lpfc_sli_hba_down(phba); |
8159 | /* Stop kthread signal shall trigger work_done one more time */ | |
8160 | kthread_stop(phba->worker_thread); | |
8161 | /* Final cleanup of txcmplq and reset the HBA */ | |
8162 | lpfc_sli_brdrestart(phba); | |
8163 | ||
8164 | lpfc_stop_hba_timers(phba); | |
8165 | spin_lock_irq(&phba->hbalock); | |
8166 | list_del_init(&vport->listentry); | |
8167 | spin_unlock_irq(&phba->hbalock); | |
8168 | ||
8169 | lpfc_debugfs_terminate(vport); | |
8170 | ||
8171 | /* Disable interrupt */ | |
8172 | lpfc_sli_disable_intr(phba); | |
8173 | ||
8174 | pci_set_drvdata(pdev, NULL); | |
8175 | scsi_host_put(shost); | |
8176 | ||
8177 | /* | |
8178 | * Call scsi_free before mem_free since scsi bufs are released to their | |
8179 | * corresponding pools here. | |
8180 | */ | |
8181 | lpfc_scsi_free(phba); | |
8182 | lpfc_mem_free_all(phba); | |
8183 | ||
8184 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
8185 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
8186 | ||
8187 | /* Free resources associated with SLI2 interface */ | |
8188 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
8189 | phba->slim2p.virt, phba->slim2p.phys); | |
8190 | ||
8191 | /* unmap adapter SLIM and Control Registers */ | |
8192 | iounmap(phba->ctrl_regs_memmap_p); | |
8193 | iounmap(phba->slim_memmap_p); | |
8194 | ||
8195 | lpfc_hba_free(phba); | |
8196 | ||
8197 | pci_release_selected_regions(pdev, bars); | |
8198 | pci_disable_device(pdev); | |
8199 | } | |
8200 | ||
8201 | /** | |
8202 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
8203 | * @pdev: pointer to PCI device | |
8204 | * @msg: power management message | |
8205 | * | |
8206 | * This routine is to be called from the kernel's PCI subsystem to support | |
8207 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
8208 | * PM invokes this method, it quiesces the device by stopping the driver's | |
8209 | * worker thread for the device, turning off device's interrupt and DMA, | |
8210 | * and bring the device offline. Note that as the driver implements the | |
8211 | * minimum PM requirements to a power-aware driver's PM support for the | |
8212 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
8213 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
8214 | * fully reinitialize its device during resume() method call, the driver will | |
8215 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
8216 | * according to the @msg provided by the PM. | |
8217 | * | |
8218 | * Return code | |
8219 | * 0 - driver suspended the device | |
8220 | * Error otherwise | |
8221 | **/ | |
8222 | static int | |
8223 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
8224 | { | |
8225 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8226 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8227 | ||
8228 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8229 | "0473 PCI device Power Management suspend.\n"); | |
8230 | ||
8231 | /* Bring down the device */ | |
8232 | lpfc_offline_prep(phba); | |
8233 | lpfc_offline(phba); | |
8234 | kthread_stop(phba->worker_thread); | |
8235 | ||
8236 | /* Disable interrupt from device */ | |
8237 | lpfc_sli_disable_intr(phba); | |
8238 | ||
8239 | /* Save device state to PCI config space */ | |
8240 | pci_save_state(pdev); | |
8241 | pci_set_power_state(pdev, PCI_D3hot); | |
8242 | ||
8243 | return 0; | |
8244 | } | |
8245 | ||
8246 | /** | |
8247 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
8248 | * @pdev: pointer to PCI device | |
8249 | * | |
8250 | * This routine is to be called from the kernel's PCI subsystem to support | |
8251 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
8252 | * invokes this method, it restores the device's PCI config space state and | |
8253 | * fully reinitializes the device and brings it online. Note that as the | |
8254 | * driver implements the minimum PM requirements to a power-aware driver's | |
8255 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
8256 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
8257 | * driver will fully reinitialize its device during resume() method call, | |
8258 | * the device will be set to PCI_D0 directly in PCI config space before | |
8259 | * restoring the state. | |
8260 | * | |
8261 | * Return code | |
8262 | * 0 - driver suspended the device | |
8263 | * Error otherwise | |
8264 | **/ | |
8265 | static int | |
8266 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
8267 | { | |
8268 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8269 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8270 | uint32_t intr_mode; | |
8271 | int error; | |
8272 | ||
8273 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8274 | "0452 PCI device Power Management resume.\n"); | |
8275 | ||
8276 | /* Restore device state from PCI config space */ | |
8277 | pci_set_power_state(pdev, PCI_D0); | |
8278 | pci_restore_state(pdev); | |
0d878419 | 8279 | |
1dfb5a47 JS |
8280 | /* |
8281 | * As the new kernel behavior of pci_restore_state() API call clears | |
8282 | * device saved_state flag, need to save the restored state again. | |
8283 | */ | |
8284 | pci_save_state(pdev); | |
8285 | ||
da0436e9 JS |
8286 | if (pdev->is_busmaster) |
8287 | pci_set_master(pdev); | |
8288 | ||
8289 | /* Startup the kernel thread for this host adapter. */ | |
8290 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
8291 | "lpfc_worker_%d", phba->brd_no); | |
8292 | if (IS_ERR(phba->worker_thread)) { | |
8293 | error = PTR_ERR(phba->worker_thread); | |
8294 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8295 | "0434 PM resume failed to start worker " | |
8296 | "thread: error=x%x.\n", error); | |
8297 | return error; | |
8298 | } | |
8299 | ||
8300 | /* Configure and enable interrupt */ | |
8301 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
8302 | if (intr_mode == LPFC_INTR_ERROR) { | |
8303 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8304 | "0430 PM resume Failed to enable interrupt\n"); | |
8305 | return -EIO; | |
8306 | } else | |
8307 | phba->intr_mode = intr_mode; | |
8308 | ||
8309 | /* Restart HBA and bring it online */ | |
8310 | lpfc_sli_brdrestart(phba); | |
8311 | lpfc_online(phba); | |
8312 | ||
8313 | /* Log the current active interrupt mode */ | |
8314 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
8315 | ||
8316 | return 0; | |
8317 | } | |
8318 | ||
891478a2 JS |
8319 | /** |
8320 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
8321 | * @phba: pointer to lpfc hba data structure. | |
8322 | * | |
8323 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
e2af0d2e | 8324 | * aborts all the outstanding SCSI I/Os to the pci device. |
891478a2 JS |
8325 | **/ |
8326 | static void | |
8327 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
8328 | { | |
e2af0d2e JS |
8329 | struct lpfc_sli *psli = &phba->sli; |
8330 | struct lpfc_sli_ring *pring; | |
8331 | ||
891478a2 JS |
8332 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
8333 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
e2af0d2e JS |
8334 | |
8335 | /* | |
8336 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
8337 | * and let the SCSI mid-layer to retry them to recover. | |
8338 | */ | |
8339 | pring = &psli->ring[psli->fcp_ring]; | |
8340 | lpfc_sli_abort_iocb_ring(phba, pring); | |
891478a2 JS |
8341 | } |
8342 | ||
0d878419 JS |
8343 | /** |
8344 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
8345 | * @phba: pointer to lpfc hba data structure. | |
8346 | * | |
8347 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
8348 | * disables the device interrupt and pci device, and aborts the internal FCP | |
8349 | * pending I/Os. | |
8350 | **/ | |
8351 | static void | |
8352 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
8353 | { | |
0d878419 | 8354 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
891478a2 | 8355 | "2710 PCI channel disable preparing for reset\n"); |
e2af0d2e | 8356 | |
75baf696 JS |
8357 | /* Block any management I/Os to the device */ |
8358 | lpfc_block_mgmt_io(phba); | |
8359 | ||
e2af0d2e JS |
8360 | /* Block all SCSI devices' I/Os on the host */ |
8361 | lpfc_scsi_dev_block(phba); | |
8362 | ||
8363 | /* stop all timers */ | |
8364 | lpfc_stop_hba_timers(phba); | |
8365 | ||
0d878419 JS |
8366 | /* Disable interrupt and pci device */ |
8367 | lpfc_sli_disable_intr(phba); | |
8368 | pci_disable_device(phba->pcidev); | |
75baf696 | 8369 | |
e2af0d2e JS |
8370 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
8371 | lpfc_sli_flush_fcp_rings(phba); | |
0d878419 JS |
8372 | } |
8373 | ||
8374 | /** | |
8375 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
8376 | * @phba: pointer to lpfc hba data structure. | |
8377 | * | |
8378 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
8379 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
8380 | * pending I/Os. | |
8381 | **/ | |
8382 | static void | |
75baf696 | 8383 | lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) |
0d878419 JS |
8384 | { |
8385 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 8386 | "2711 PCI channel permanent disable for failure\n"); |
e2af0d2e JS |
8387 | /* Block all SCSI devices' I/Os on the host */ |
8388 | lpfc_scsi_dev_block(phba); | |
8389 | ||
8390 | /* stop all timers */ | |
8391 | lpfc_stop_hba_timers(phba); | |
8392 | ||
0d878419 JS |
8393 | /* Clean up all driver's outstanding SCSI I/Os */ |
8394 | lpfc_sli_flush_fcp_rings(phba); | |
8395 | } | |
8396 | ||
da0436e9 JS |
8397 | /** |
8398 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
8399 | * @pdev: pointer to PCI device. | |
8400 | * @state: the current PCI connection state. | |
8401 | * | |
8402 | * This routine is called from the PCI subsystem for I/O error handling to | |
8403 | * device with SLI-3 interface spec. This function is called by the PCI | |
8404 | * subsystem after a PCI bus error affecting this device has been detected. | |
8405 | * When this function is invoked, it will need to stop all the I/Os and | |
8406 | * interrupt(s) to the device. Once that is done, it will return | |
8407 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
8408 | * as desired. | |
8409 | * | |
8410 | * Return codes | |
0d878419 | 8411 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
8412 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
8413 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8414 | **/ | |
8415 | static pci_ers_result_t | |
8416 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
8417 | { | |
8418 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8419 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 8420 | |
0d878419 JS |
8421 | switch (state) { |
8422 | case pci_channel_io_normal: | |
891478a2 JS |
8423 | /* Non-fatal error, prepare for recovery */ |
8424 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
8425 | return PCI_ERS_RESULT_CAN_RECOVER; |
8426 | case pci_channel_io_frozen: | |
8427 | /* Fatal error, prepare for slot reset */ | |
8428 | lpfc_sli_prep_dev_for_reset(phba); | |
8429 | return PCI_ERS_RESULT_NEED_RESET; | |
8430 | case pci_channel_io_perm_failure: | |
8431 | /* Permanent failure, prepare for device down */ | |
75baf696 | 8432 | lpfc_sli_prep_dev_for_perm_failure(phba); |
da0436e9 | 8433 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
8434 | default: |
8435 | /* Unknown state, prepare and request slot reset */ | |
8436 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8437 | "0472 Unknown PCI error state: x%x\n", state); | |
8438 | lpfc_sli_prep_dev_for_reset(phba); | |
8439 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 8440 | } |
da0436e9 JS |
8441 | } |
8442 | ||
8443 | /** | |
8444 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
8445 | * @pdev: pointer to PCI device. | |
8446 | * | |
8447 | * This routine is called from the PCI subsystem for error handling to | |
8448 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
8449 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
8450 | * During the PCI subsystem error recovery, after driver returns | |
8451 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
8452 | * recovery and then call this routine before calling the .resume method | |
8453 | * to recover the device. This function will initialize the HBA device, | |
8454 | * enable the interrupt, but it will just put the HBA to offline state | |
8455 | * without passing any I/O traffic. | |
8456 | * | |
8457 | * Return codes | |
8458 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
8459 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8460 | */ | |
8461 | static pci_ers_result_t | |
8462 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
8463 | { | |
8464 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8465 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8466 | struct lpfc_sli *psli = &phba->sli; | |
8467 | uint32_t intr_mode; | |
8468 | ||
8469 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
8470 | if (pci_enable_device_mem(pdev)) { | |
8471 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
8472 | "PCI device after reset.\n"); | |
8473 | return PCI_ERS_RESULT_DISCONNECT; | |
8474 | } | |
8475 | ||
8476 | pci_restore_state(pdev); | |
1dfb5a47 JS |
8477 | |
8478 | /* | |
8479 | * As the new kernel behavior of pci_restore_state() API call clears | |
8480 | * device saved_state flag, need to save the restored state again. | |
8481 | */ | |
8482 | pci_save_state(pdev); | |
8483 | ||
da0436e9 JS |
8484 | if (pdev->is_busmaster) |
8485 | pci_set_master(pdev); | |
8486 | ||
8487 | spin_lock_irq(&phba->hbalock); | |
8488 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
8489 | spin_unlock_irq(&phba->hbalock); | |
8490 | ||
8491 | /* Configure and enable interrupt */ | |
8492 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
8493 | if (intr_mode == LPFC_INTR_ERROR) { | |
8494 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8495 | "0427 Cannot re-enable interrupt after " | |
8496 | "slot reset.\n"); | |
8497 | return PCI_ERS_RESULT_DISCONNECT; | |
8498 | } else | |
8499 | phba->intr_mode = intr_mode; | |
8500 | ||
75baf696 JS |
8501 | /* Take device offline, it will perform cleanup */ |
8502 | lpfc_offline_prep(phba); | |
da0436e9 JS |
8503 | lpfc_offline(phba); |
8504 | lpfc_sli_brdrestart(phba); | |
8505 | ||
8506 | /* Log the current active interrupt mode */ | |
8507 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
8508 | ||
8509 | return PCI_ERS_RESULT_RECOVERED; | |
8510 | } | |
8511 | ||
8512 | /** | |
8513 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
8514 | * @pdev: pointer to PCI device | |
8515 | * | |
8516 | * This routine is called from the PCI subsystem for error handling to device | |
8517 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
8518 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
8519 | * error recovery. After this call, traffic can start to flow from this device | |
8520 | * again. | |
8521 | */ | |
8522 | static void | |
8523 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
8524 | { | |
8525 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8526 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 8527 | |
e2af0d2e | 8528 | /* Bring device online, it will be no-op for non-fatal error resume */ |
da0436e9 | 8529 | lpfc_online(phba); |
0d878419 JS |
8530 | |
8531 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
8532 | if (phba->hba_flag & HBA_AER_ENABLED) | |
8533 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 8534 | } |
3772a991 | 8535 | |
da0436e9 JS |
8536 | /** |
8537 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
8538 | * @phba: pointer to lpfc hba data structure. | |
8539 | * | |
8540 | * returns the number of ELS/CT IOCBs to reserve | |
8541 | **/ | |
8542 | int | |
8543 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
8544 | { | |
8545 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
8546 | ||
f1126688 JS |
8547 | if (phba->sli_rev == LPFC_SLI_REV4) { |
8548 | if (max_xri <= 100) | |
6a9c52cf | 8549 | return 10; |
f1126688 | 8550 | else if (max_xri <= 256) |
6a9c52cf | 8551 | return 25; |
f1126688 | 8552 | else if (max_xri <= 512) |
6a9c52cf | 8553 | return 50; |
f1126688 | 8554 | else if (max_xri <= 1024) |
6a9c52cf | 8555 | return 100; |
f1126688 | 8556 | else |
6a9c52cf | 8557 | return 150; |
f1126688 JS |
8558 | } else |
8559 | return 0; | |
3772a991 JS |
8560 | } |
8561 | ||
8562 | /** | |
da0436e9 | 8563 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
8564 | * @pdev: pointer to PCI device |
8565 | * @pid: pointer to PCI device identifier | |
8566 | * | |
da0436e9 JS |
8567 | * This routine is called from the kernel's PCI subsystem to device with |
8568 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 8569 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
8570 | * information of the device and driver to see if the driver state that it |
8571 | * can support this kind of device. If the match is successful, the driver | |
8572 | * core invokes this routine. If this routine determines it can claim the HBA, | |
8573 | * it does all the initialization that it needs to do to handle the HBA | |
8574 | * properly. | |
3772a991 JS |
8575 | * |
8576 | * Return code | |
8577 | * 0 - driver can claim the device | |
8578 | * negative value - driver can not claim the device | |
8579 | **/ | |
8580 | static int __devinit | |
da0436e9 | 8581 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
8582 | { |
8583 | struct lpfc_hba *phba; | |
8584 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 8585 | struct Scsi_Host *shost = NULL; |
3772a991 JS |
8586 | int error; |
8587 | uint32_t cfg_mode, intr_mode; | |
da0436e9 | 8588 | int mcnt; |
3772a991 JS |
8589 | |
8590 | /* Allocate memory for HBA structure */ | |
8591 | phba = lpfc_hba_alloc(pdev); | |
8592 | if (!phba) | |
8593 | return -ENOMEM; | |
8594 | ||
8595 | /* Perform generic PCI device enabling operation */ | |
8596 | error = lpfc_enable_pci_dev(phba); | |
8597 | if (error) { | |
8598 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 8599 | "1409 Failed to enable pci device.\n"); |
3772a991 JS |
8600 | goto out_free_phba; |
8601 | } | |
8602 | ||
da0436e9 JS |
8603 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
8604 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
8605 | if (error) |
8606 | goto out_disable_pci_dev; | |
8607 | ||
da0436e9 JS |
8608 | /* Set up SLI-4 specific device PCI memory space */ |
8609 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
8610 | if (error) { |
8611 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 8612 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
8613 | goto out_disable_pci_dev; |
8614 | } | |
8615 | ||
8616 | /* Set up phase-1 common device driver resources */ | |
8617 | error = lpfc_setup_driver_resource_phase1(phba); | |
8618 | if (error) { | |
8619 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
8620 | "1411 Failed to set up driver resource.\n"); |
8621 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
8622 | } |
8623 | ||
da0436e9 JS |
8624 | /* Set up SLI-4 Specific device driver resources */ |
8625 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
8626 | if (error) { |
8627 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
8628 | "1412 Failed to set up driver resource.\n"); |
8629 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
8630 | } |
8631 | ||
8632 | /* Initialize and populate the iocb list per host */ | |
2a9bf3d0 JS |
8633 | |
8634 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8635 | "2821 initialize iocb list %d.\n", | |
8636 | phba->cfg_iocb_cnt*1024); | |
8637 | error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024); | |
8638 | ||
3772a991 JS |
8639 | if (error) { |
8640 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
8641 | "1413 Failed to initialize iocb list.\n"); |
8642 | goto out_unset_driver_resource_s4; | |
3772a991 JS |
8643 | } |
8644 | ||
19ca7609 JS |
8645 | INIT_LIST_HEAD(&phba->active_rrq_list); |
8646 | ||
3772a991 JS |
8647 | /* Set up common device driver resources */ |
8648 | error = lpfc_setup_driver_resource_phase2(phba); | |
8649 | if (error) { | |
8650 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 8651 | "1414 Failed to set up driver resource.\n"); |
3772a991 JS |
8652 | goto out_free_iocb_list; |
8653 | } | |
8654 | ||
8655 | /* Create SCSI host to the physical port */ | |
8656 | error = lpfc_create_shost(phba); | |
8657 | if (error) { | |
8658 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 8659 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
8660 | goto out_unset_driver_resource; |
8661 | } | |
9399627f | 8662 | |
5b75da2f | 8663 | /* Configure sysfs attributes */ |
3772a991 JS |
8664 | vport = phba->pport; |
8665 | error = lpfc_alloc_sysfs_attr(vport); | |
8666 | if (error) { | |
9399627f | 8667 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 8668 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 8669 | goto out_destroy_shost; |
98c9ea5c | 8670 | } |
875fbdfe | 8671 | |
6669f9bb | 8672 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 8673 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f JS |
8674 | cfg_mode = phba->cfg_use_msi; |
8675 | while (true) { | |
3772a991 JS |
8676 | /* Put device to a known state before enabling interrupt */ |
8677 | lpfc_stop_port(phba); | |
5b75da2f | 8678 | /* Configure and enable interrupt */ |
da0436e9 | 8679 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); |
5b75da2f JS |
8680 | if (intr_mode == LPFC_INTR_ERROR) { |
8681 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 8682 | "0426 Failed to enable interrupt.\n"); |
3772a991 | 8683 | error = -ENODEV; |
5b75da2f JS |
8684 | goto out_free_sysfs_attr; |
8685 | } | |
def9c7a9 JS |
8686 | /* Default to single FCP EQ for non-MSI-X */ |
8687 | if (phba->intr_type != MSIX) | |
8688 | phba->cfg_fcp_eq_count = 1; | |
75baf696 JS |
8689 | else if (phba->sli4_hba.msix_vec_nr < phba->cfg_fcp_eq_count) |
8690 | phba->cfg_fcp_eq_count = phba->sli4_hba.msix_vec_nr - 1; | |
da0436e9 JS |
8691 | /* Set up SLI-4 HBA */ |
8692 | if (lpfc_sli4_hba_setup(phba)) { | |
5b75da2f | 8693 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 8694 | "1421 Failed to set up hba\n"); |
5b75da2f | 8695 | error = -ENODEV; |
da0436e9 | 8696 | goto out_disable_intr; |
5b75da2f JS |
8697 | } |
8698 | ||
da0436e9 JS |
8699 | /* Send NOP mbx cmds for non-INTx mode active interrupt test */ |
8700 | if (intr_mode != 0) | |
8701 | mcnt = lpfc_sli4_send_nop_mbox_cmds(phba, | |
8702 | LPFC_ACT_INTR_CNT); | |
8703 | ||
8704 | /* Check active interrupts received only for MSI/MSI-X */ | |
3772a991 | 8705 | if (intr_mode == 0 || |
da0436e9 | 8706 | phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) { |
5b75da2f JS |
8707 | /* Log the current active interrupt mode */ |
8708 | phba->intr_mode = intr_mode; | |
8709 | lpfc_log_intr_mode(phba, intr_mode); | |
8710 | break; | |
5b75da2f | 8711 | } |
da0436e9 JS |
8712 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8713 | "0451 Configure interrupt mode (%d) " | |
8714 | "failed active interrupt test.\n", | |
8715 | intr_mode); | |
2fcee4bf JS |
8716 | /* Unset the previous SLI-4 HBA setup. */ |
8717 | /* | |
8718 | * TODO: Is this operation compatible with IF TYPE 2 | |
8719 | * devices? All port state is deleted and cleared. | |
8720 | */ | |
da0436e9 JS |
8721 | lpfc_sli4_unset_hba(phba); |
8722 | /* Try next level of interrupt mode */ | |
8723 | cfg_mode = --intr_mode; | |
98c9ea5c | 8724 | } |
858c9f6c | 8725 | |
3772a991 JS |
8726 | /* Perform post initialization setup */ |
8727 | lpfc_post_init_setup(phba); | |
dea3101e | 8728 | |
1c6834a7 JS |
8729 | /* Check if there are static vports to be created. */ |
8730 | lpfc_create_static_vport(phba); | |
8731 | ||
dea3101e JB |
8732 | return 0; |
8733 | ||
da0436e9 JS |
8734 | out_disable_intr: |
8735 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
8736 | out_free_sysfs_attr: |
8737 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
8738 | out_destroy_shost: |
8739 | lpfc_destroy_shost(phba); | |
8740 | out_unset_driver_resource: | |
8741 | lpfc_unset_driver_resource_phase2(phba); | |
8742 | out_free_iocb_list: | |
8743 | lpfc_free_iocb_list(phba); | |
da0436e9 JS |
8744 | out_unset_driver_resource_s4: |
8745 | lpfc_sli4_driver_resource_unset(phba); | |
8746 | out_unset_pci_mem_s4: | |
8747 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
8748 | out_disable_pci_dev: |
8749 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
8750 | if (shost) |
8751 | scsi_host_put(shost); | |
2e0fef85 | 8752 | out_free_phba: |
3772a991 | 8753 | lpfc_hba_free(phba); |
dea3101e JB |
8754 | return error; |
8755 | } | |
8756 | ||
e59058c4 | 8757 | /** |
da0436e9 | 8758 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
8759 | * @pdev: pointer to PCI device |
8760 | * | |
da0436e9 JS |
8761 | * This routine is called from the kernel's PCI subsystem to device with |
8762 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
8763 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
8764 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 8765 | **/ |
dea3101e | 8766 | static void __devexit |
da0436e9 | 8767 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 8768 | { |
da0436e9 | 8769 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 8770 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 8771 | struct lpfc_vport **vports; |
da0436e9 | 8772 | struct lpfc_hba *phba = vport->phba; |
eada272d | 8773 | int i; |
8a4df120 | 8774 | |
da0436e9 | 8775 | /* Mark the device unloading flag */ |
549e55cd | 8776 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 8777 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 8778 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 8779 | |
da0436e9 | 8780 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
8781 | lpfc_free_sysfs_attr(vport); |
8782 | ||
eada272d JS |
8783 | /* Release all the vports against this physical port */ |
8784 | vports = lpfc_create_vport_work_array(phba); | |
8785 | if (vports != NULL) | |
3772a991 | 8786 | for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) |
eada272d JS |
8787 | fc_vport_terminate(vports[i]->fc_vport); |
8788 | lpfc_destroy_vport_work_array(phba, vports); | |
8789 | ||
8790 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
8791 | fc_remove_host(shost); |
8792 | scsi_remove_host(shost); | |
da0436e9 JS |
8793 | |
8794 | /* Perform cleanup on the physical port */ | |
87af33fe JS |
8795 | lpfc_cleanup(vport); |
8796 | ||
2e0fef85 | 8797 | /* |
da0436e9 | 8798 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 8799 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 8800 | * the HBA FCoE function. |
2e0fef85 | 8801 | */ |
da0436e9 JS |
8802 | lpfc_debugfs_terminate(vport); |
8803 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 8804 | |
858c9f6c JS |
8805 | spin_lock_irq(&phba->hbalock); |
8806 | list_del_init(&vport->listentry); | |
8807 | spin_unlock_irq(&phba->hbalock); | |
8808 | ||
3677a3a7 | 8809 | /* Perform scsi free before driver resource_unset since scsi |
da0436e9 | 8810 | * buffers are released to their corresponding pools here. |
2e0fef85 JS |
8811 | */ |
8812 | lpfc_scsi_free(phba); | |
da0436e9 | 8813 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 8814 | |
da0436e9 JS |
8815 | /* Unmap adapter Control and Doorbell registers */ |
8816 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 8817 | |
da0436e9 JS |
8818 | /* Release PCI resources and disable device's PCI function */ |
8819 | scsi_host_put(shost); | |
8820 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 8821 | |
da0436e9 | 8822 | /* Finally, free the driver's device data structure */ |
3772a991 | 8823 | lpfc_hba_free(phba); |
2e0fef85 | 8824 | |
da0436e9 | 8825 | return; |
dea3101e JB |
8826 | } |
8827 | ||
3a55b532 | 8828 | /** |
da0436e9 | 8829 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
8830 | * @pdev: pointer to PCI device |
8831 | * @msg: power management message | |
8832 | * | |
da0436e9 JS |
8833 | * This routine is called from the kernel's PCI subsystem to support system |
8834 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
8835 | * this method, it quiesces the device by stopping the driver's worker | |
8836 | * thread for the device, turning off device's interrupt and DMA, and bring | |
8837 | * the device offline. Note that as the driver implements the minimum PM | |
8838 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
8839 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
8840 | * method call will be treated as SUSPEND and the driver will fully | |
8841 | * reinitialize its device during resume() method call, the driver will set | |
8842 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 8843 | * according to the @msg provided by the PM. |
3a55b532 JS |
8844 | * |
8845 | * Return code | |
3772a991 JS |
8846 | * 0 - driver suspended the device |
8847 | * Error otherwise | |
3a55b532 JS |
8848 | **/ |
8849 | static int | |
da0436e9 | 8850 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
8851 | { |
8852 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8853 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8854 | ||
8855 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
75baf696 | 8856 | "2843 PCI device Power Management suspend.\n"); |
3a55b532 JS |
8857 | |
8858 | /* Bring down the device */ | |
8859 | lpfc_offline_prep(phba); | |
8860 | lpfc_offline(phba); | |
8861 | kthread_stop(phba->worker_thread); | |
8862 | ||
8863 | /* Disable interrupt from device */ | |
da0436e9 | 8864 | lpfc_sli4_disable_intr(phba); |
3a55b532 JS |
8865 | |
8866 | /* Save device state to PCI config space */ | |
8867 | pci_save_state(pdev); | |
8868 | pci_set_power_state(pdev, PCI_D3hot); | |
8869 | ||
8870 | return 0; | |
8871 | } | |
8872 | ||
8873 | /** | |
da0436e9 | 8874 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
8875 | * @pdev: pointer to PCI device |
8876 | * | |
da0436e9 JS |
8877 | * This routine is called from the kernel's PCI subsystem to support system |
8878 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
8879 | * this method, it restores the device's PCI config space state and fully | |
8880 | * reinitializes the device and brings it online. Note that as the driver | |
8881 | * implements the minimum PM requirements to a power-aware driver's PM for | |
8882 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
8883 | * to the suspend() method call will be treated as SUSPEND and the driver | |
8884 | * will fully reinitialize its device during resume() method call, the device | |
8885 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
8886 | * state. | |
3a55b532 JS |
8887 | * |
8888 | * Return code | |
3772a991 JS |
8889 | * 0 - driver suspended the device |
8890 | * Error otherwise | |
3a55b532 JS |
8891 | **/ |
8892 | static int | |
da0436e9 | 8893 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
8894 | { |
8895 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8896 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 8897 | uint32_t intr_mode; |
3a55b532 JS |
8898 | int error; |
8899 | ||
8900 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 8901 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
8902 | |
8903 | /* Restore device state from PCI config space */ | |
8904 | pci_set_power_state(pdev, PCI_D0); | |
8905 | pci_restore_state(pdev); | |
1dfb5a47 JS |
8906 | |
8907 | /* | |
8908 | * As the new kernel behavior of pci_restore_state() API call clears | |
8909 | * device saved_state flag, need to save the restored state again. | |
8910 | */ | |
8911 | pci_save_state(pdev); | |
8912 | ||
3a55b532 JS |
8913 | if (pdev->is_busmaster) |
8914 | pci_set_master(pdev); | |
8915 | ||
da0436e9 | 8916 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
8917 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
8918 | "lpfc_worker_%d", phba->brd_no); | |
8919 | if (IS_ERR(phba->worker_thread)) { | |
8920 | error = PTR_ERR(phba->worker_thread); | |
8921 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 8922 | "0293 PM resume failed to start worker " |
3a55b532 JS |
8923 | "thread: error=x%x.\n", error); |
8924 | return error; | |
8925 | } | |
8926 | ||
5b75da2f | 8927 | /* Configure and enable interrupt */ |
da0436e9 | 8928 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 8929 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 8930 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 8931 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
8932 | return -EIO; |
8933 | } else | |
8934 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
8935 | |
8936 | /* Restart HBA and bring it online */ | |
8937 | lpfc_sli_brdrestart(phba); | |
8938 | lpfc_online(phba); | |
8939 | ||
5b75da2f JS |
8940 | /* Log the current active interrupt mode */ |
8941 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
8942 | ||
3a55b532 JS |
8943 | return 0; |
8944 | } | |
8945 | ||
75baf696 JS |
8946 | /** |
8947 | * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover | |
8948 | * @phba: pointer to lpfc hba data structure. | |
8949 | * | |
8950 | * This routine is called to prepare the SLI4 device for PCI slot recover. It | |
8951 | * aborts all the outstanding SCSI I/Os to the pci device. | |
8952 | **/ | |
8953 | static void | |
8954 | lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) | |
8955 | { | |
8956 | struct lpfc_sli *psli = &phba->sli; | |
8957 | struct lpfc_sli_ring *pring; | |
8958 | ||
8959 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8960 | "2828 PCI channel I/O abort preparing for recovery\n"); | |
8961 | /* | |
8962 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
8963 | * and let the SCSI mid-layer to retry them to recover. | |
8964 | */ | |
8965 | pring = &psli->ring[psli->fcp_ring]; | |
8966 | lpfc_sli_abort_iocb_ring(phba, pring); | |
8967 | } | |
8968 | ||
8969 | /** | |
8970 | * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset | |
8971 | * @phba: pointer to lpfc hba data structure. | |
8972 | * | |
8973 | * This routine is called to prepare the SLI4 device for PCI slot reset. It | |
8974 | * disables the device interrupt and pci device, and aborts the internal FCP | |
8975 | * pending I/Os. | |
8976 | **/ | |
8977 | static void | |
8978 | lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) | |
8979 | { | |
8980 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8981 | "2826 PCI channel disable preparing for reset\n"); | |
8982 | ||
8983 | /* Block any management I/Os to the device */ | |
8984 | lpfc_block_mgmt_io(phba); | |
8985 | ||
8986 | /* Block all SCSI devices' I/Os on the host */ | |
8987 | lpfc_scsi_dev_block(phba); | |
8988 | ||
8989 | /* stop all timers */ | |
8990 | lpfc_stop_hba_timers(phba); | |
8991 | ||
8992 | /* Disable interrupt and pci device */ | |
8993 | lpfc_sli4_disable_intr(phba); | |
8994 | pci_disable_device(phba->pcidev); | |
8995 | ||
8996 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ | |
8997 | lpfc_sli_flush_fcp_rings(phba); | |
8998 | } | |
8999 | ||
9000 | /** | |
9001 | * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable | |
9002 | * @phba: pointer to lpfc hba data structure. | |
9003 | * | |
9004 | * This routine is called to prepare the SLI4 device for PCI slot permanently | |
9005 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
9006 | * pending I/Os. | |
9007 | **/ | |
9008 | static void | |
9009 | lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
9010 | { | |
9011 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9012 | "2827 PCI channel permanent disable for failure\n"); | |
9013 | ||
9014 | /* Block all SCSI devices' I/Os on the host */ | |
9015 | lpfc_scsi_dev_block(phba); | |
9016 | ||
9017 | /* stop all timers */ | |
9018 | lpfc_stop_hba_timers(phba); | |
9019 | ||
9020 | /* Clean up all driver's outstanding SCSI I/Os */ | |
9021 | lpfc_sli_flush_fcp_rings(phba); | |
9022 | } | |
9023 | ||
8d63f375 | 9024 | /** |
da0436e9 | 9025 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
9026 | * @pdev: pointer to PCI device. |
9027 | * @state: the current PCI connection state. | |
8d63f375 | 9028 | * |
da0436e9 JS |
9029 | * This routine is called from the PCI subsystem for error handling to device |
9030 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
9031 | * after a PCI bus error affecting this device has been detected. When this | |
9032 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
9033 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
9034 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
9035 | * |
9036 | * Return codes | |
3772a991 JS |
9037 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
9038 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 9039 | **/ |
3772a991 | 9040 | static pci_ers_result_t |
da0436e9 | 9041 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 9042 | { |
75baf696 JS |
9043 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
9044 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9045 | ||
9046 | switch (state) { | |
9047 | case pci_channel_io_normal: | |
9048 | /* Non-fatal error, prepare for recovery */ | |
9049 | lpfc_sli4_prep_dev_for_recover(phba); | |
9050 | return PCI_ERS_RESULT_CAN_RECOVER; | |
9051 | case pci_channel_io_frozen: | |
9052 | /* Fatal error, prepare for slot reset */ | |
9053 | lpfc_sli4_prep_dev_for_reset(phba); | |
9054 | return PCI_ERS_RESULT_NEED_RESET; | |
9055 | case pci_channel_io_perm_failure: | |
9056 | /* Permanent failure, prepare for device down */ | |
9057 | lpfc_sli4_prep_dev_for_perm_failure(phba); | |
9058 | return PCI_ERS_RESULT_DISCONNECT; | |
9059 | default: | |
9060 | /* Unknown state, prepare and request slot reset */ | |
9061 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9062 | "2825 Unknown PCI error state: x%x\n", state); | |
9063 | lpfc_sli4_prep_dev_for_reset(phba); | |
9064 | return PCI_ERS_RESULT_NEED_RESET; | |
9065 | } | |
8d63f375 LV |
9066 | } |
9067 | ||
9068 | /** | |
da0436e9 | 9069 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
9070 | * @pdev: pointer to PCI device. |
9071 | * | |
da0436e9 JS |
9072 | * This routine is called from the PCI subsystem for error handling to device |
9073 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
9074 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
9075 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 9076 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
9077 | * recovery and then call this routine before calling the .resume method to |
9078 | * recover the device. This function will initialize the HBA device, enable | |
9079 | * the interrupt, but it will just put the HBA to offline state without | |
9080 | * passing any I/O traffic. | |
8d63f375 | 9081 | * |
e59058c4 | 9082 | * Return codes |
3772a991 JS |
9083 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
9084 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 9085 | */ |
3772a991 | 9086 | static pci_ers_result_t |
da0436e9 | 9087 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 9088 | { |
75baf696 JS |
9089 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
9090 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9091 | struct lpfc_sli *psli = &phba->sli; | |
9092 | uint32_t intr_mode; | |
9093 | ||
9094 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
9095 | if (pci_enable_device_mem(pdev)) { | |
9096 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
9097 | "PCI device after reset.\n"); | |
9098 | return PCI_ERS_RESULT_DISCONNECT; | |
9099 | } | |
9100 | ||
9101 | pci_restore_state(pdev); | |
9102 | if (pdev->is_busmaster) | |
9103 | pci_set_master(pdev); | |
9104 | ||
9105 | spin_lock_irq(&phba->hbalock); | |
9106 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
9107 | spin_unlock_irq(&phba->hbalock); | |
9108 | ||
9109 | /* Configure and enable interrupt */ | |
9110 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
9111 | if (intr_mode == LPFC_INTR_ERROR) { | |
9112 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9113 | "2824 Cannot re-enable interrupt after " | |
9114 | "slot reset.\n"); | |
9115 | return PCI_ERS_RESULT_DISCONNECT; | |
9116 | } else | |
9117 | phba->intr_mode = intr_mode; | |
9118 | ||
9119 | /* Log the current active interrupt mode */ | |
9120 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9121 | ||
8d63f375 LV |
9122 | return PCI_ERS_RESULT_RECOVERED; |
9123 | } | |
9124 | ||
9125 | /** | |
da0436e9 | 9126 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 9127 | * @pdev: pointer to PCI device |
8d63f375 | 9128 | * |
3772a991 | 9129 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 9130 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
9131 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
9132 | * error recovery. After this call, traffic can start to flow from this device | |
9133 | * again. | |
da0436e9 | 9134 | **/ |
3772a991 | 9135 | static void |
da0436e9 | 9136 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 9137 | { |
75baf696 JS |
9138 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
9139 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9140 | ||
9141 | /* | |
9142 | * In case of slot reset, as function reset is performed through | |
9143 | * mailbox command which needs DMA to be enabled, this operation | |
9144 | * has to be moved to the io resume phase. Taking device offline | |
9145 | * will perform the necessary cleanup. | |
9146 | */ | |
9147 | if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { | |
9148 | /* Perform device reset */ | |
9149 | lpfc_offline_prep(phba); | |
9150 | lpfc_offline(phba); | |
9151 | lpfc_sli_brdrestart(phba); | |
9152 | /* Bring the device back online */ | |
9153 | lpfc_online(phba); | |
9154 | } | |
9155 | ||
9156 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
9157 | if (phba->hba_flag & HBA_AER_ENABLED) | |
9158 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8d63f375 LV |
9159 | } |
9160 | ||
3772a991 JS |
9161 | /** |
9162 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
9163 | * @pdev: pointer to PCI device | |
9164 | * @pid: pointer to PCI device identifier | |
9165 | * | |
9166 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
9167 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
9168 | * at PCI device-specific information of the device and driver to see if the | |
9169 | * driver state that it can support this kind of device. If the match is | |
9170 | * successful, the driver core invokes this routine. This routine dispatches | |
9171 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
9172 | * do all the initialization that it needs to do to handle the HBA device | |
9173 | * properly. | |
9174 | * | |
9175 | * Return code | |
9176 | * 0 - driver can claim the device | |
9177 | * negative value - driver can not claim the device | |
9178 | **/ | |
9179 | static int __devinit | |
9180 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
9181 | { | |
9182 | int rc; | |
8fa38513 | 9183 | struct lpfc_sli_intf intf; |
3772a991 | 9184 | |
28baac74 | 9185 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) |
3772a991 JS |
9186 | return -ENODEV; |
9187 | ||
8fa38513 | 9188 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
28baac74 | 9189 | (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) |
da0436e9 | 9190 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 9191 | else |
3772a991 | 9192 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 9193 | |
3772a991 JS |
9194 | return rc; |
9195 | } | |
9196 | ||
9197 | /** | |
9198 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
9199 | * @pdev: pointer to PCI device | |
9200 | * | |
9201 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
9202 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
9203 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
9204 | * remove routine, which will perform all the necessary cleanup for the | |
9205 | * device to be removed from the PCI subsystem properly. | |
9206 | **/ | |
9207 | static void __devexit | |
9208 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
9209 | { | |
9210 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9211 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9212 | ||
9213 | switch (phba->pci_dev_grp) { | |
9214 | case LPFC_PCI_DEV_LP: | |
9215 | lpfc_pci_remove_one_s3(pdev); | |
9216 | break; | |
da0436e9 JS |
9217 | case LPFC_PCI_DEV_OC: |
9218 | lpfc_pci_remove_one_s4(pdev); | |
9219 | break; | |
3772a991 JS |
9220 | default: |
9221 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9222 | "1424 Invalid PCI device group: 0x%x\n", | |
9223 | phba->pci_dev_grp); | |
9224 | break; | |
9225 | } | |
9226 | return; | |
9227 | } | |
9228 | ||
9229 | /** | |
9230 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
9231 | * @pdev: pointer to PCI device | |
9232 | * @msg: power management message | |
9233 | * | |
9234 | * This routine is to be registered to the kernel's PCI subsystem to support | |
9235 | * system Power Management (PM). When PM invokes this method, it dispatches | |
9236 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
9237 | * suspend the device. | |
9238 | * | |
9239 | * Return code | |
9240 | * 0 - driver suspended the device | |
9241 | * Error otherwise | |
9242 | **/ | |
9243 | static int | |
9244 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
9245 | { | |
9246 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9247 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9248 | int rc = -ENODEV; | |
9249 | ||
9250 | switch (phba->pci_dev_grp) { | |
9251 | case LPFC_PCI_DEV_LP: | |
9252 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
9253 | break; | |
da0436e9 JS |
9254 | case LPFC_PCI_DEV_OC: |
9255 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
9256 | break; | |
3772a991 JS |
9257 | default: |
9258 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9259 | "1425 Invalid PCI device group: 0x%x\n", | |
9260 | phba->pci_dev_grp); | |
9261 | break; | |
9262 | } | |
9263 | return rc; | |
9264 | } | |
9265 | ||
9266 | /** | |
9267 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
9268 | * @pdev: pointer to PCI device | |
9269 | * | |
9270 | * This routine is to be registered to the kernel's PCI subsystem to support | |
9271 | * system Power Management (PM). When PM invokes this method, it dispatches | |
9272 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
9273 | * resume the device. | |
9274 | * | |
9275 | * Return code | |
9276 | * 0 - driver suspended the device | |
9277 | * Error otherwise | |
9278 | **/ | |
9279 | static int | |
9280 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
9281 | { | |
9282 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9283 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9284 | int rc = -ENODEV; | |
9285 | ||
9286 | switch (phba->pci_dev_grp) { | |
9287 | case LPFC_PCI_DEV_LP: | |
9288 | rc = lpfc_pci_resume_one_s3(pdev); | |
9289 | break; | |
da0436e9 JS |
9290 | case LPFC_PCI_DEV_OC: |
9291 | rc = lpfc_pci_resume_one_s4(pdev); | |
9292 | break; | |
3772a991 JS |
9293 | default: |
9294 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9295 | "1426 Invalid PCI device group: 0x%x\n", | |
9296 | phba->pci_dev_grp); | |
9297 | break; | |
9298 | } | |
9299 | return rc; | |
9300 | } | |
9301 | ||
9302 | /** | |
9303 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
9304 | * @pdev: pointer to PCI device. | |
9305 | * @state: the current PCI connection state. | |
9306 | * | |
9307 | * This routine is registered to the PCI subsystem for error handling. This | |
9308 | * function is called by the PCI subsystem after a PCI bus error affecting | |
9309 | * this device has been detected. When this routine is invoked, it dispatches | |
9310 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
9311 | * routine, which will perform the proper error detected operation. | |
9312 | * | |
9313 | * Return codes | |
9314 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
9315 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9316 | **/ | |
9317 | static pci_ers_result_t | |
9318 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
9319 | { | |
9320 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9321 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9322 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
9323 | ||
9324 | switch (phba->pci_dev_grp) { | |
9325 | case LPFC_PCI_DEV_LP: | |
9326 | rc = lpfc_io_error_detected_s3(pdev, state); | |
9327 | break; | |
da0436e9 JS |
9328 | case LPFC_PCI_DEV_OC: |
9329 | rc = lpfc_io_error_detected_s4(pdev, state); | |
9330 | break; | |
3772a991 JS |
9331 | default: |
9332 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9333 | "1427 Invalid PCI device group: 0x%x\n", | |
9334 | phba->pci_dev_grp); | |
9335 | break; | |
9336 | } | |
9337 | return rc; | |
9338 | } | |
9339 | ||
9340 | /** | |
9341 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
9342 | * @pdev: pointer to PCI device. | |
9343 | * | |
9344 | * This routine is registered to the PCI subsystem for error handling. This | |
9345 | * function is called after PCI bus has been reset to restart the PCI card | |
9346 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
9347 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
9348 | * routine, which will perform the proper device reset. | |
9349 | * | |
9350 | * Return codes | |
9351 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
9352 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9353 | **/ | |
9354 | static pci_ers_result_t | |
9355 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
9356 | { | |
9357 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9358 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9359 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
9360 | ||
9361 | switch (phba->pci_dev_grp) { | |
9362 | case LPFC_PCI_DEV_LP: | |
9363 | rc = lpfc_io_slot_reset_s3(pdev); | |
9364 | break; | |
da0436e9 JS |
9365 | case LPFC_PCI_DEV_OC: |
9366 | rc = lpfc_io_slot_reset_s4(pdev); | |
9367 | break; | |
3772a991 JS |
9368 | default: |
9369 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9370 | "1428 Invalid PCI device group: 0x%x\n", | |
9371 | phba->pci_dev_grp); | |
9372 | break; | |
9373 | } | |
9374 | return rc; | |
9375 | } | |
9376 | ||
9377 | /** | |
9378 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
9379 | * @pdev: pointer to PCI device | |
9380 | * | |
9381 | * This routine is registered to the PCI subsystem for error handling. It | |
9382 | * is called when kernel error recovery tells the lpfc driver that it is | |
9383 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
9384 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
9385 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
9386 | **/ | |
9387 | static void | |
9388 | lpfc_io_resume(struct pci_dev *pdev) | |
9389 | { | |
9390 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9391 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9392 | ||
9393 | switch (phba->pci_dev_grp) { | |
9394 | case LPFC_PCI_DEV_LP: | |
9395 | lpfc_io_resume_s3(pdev); | |
9396 | break; | |
da0436e9 JS |
9397 | case LPFC_PCI_DEV_OC: |
9398 | lpfc_io_resume_s4(pdev); | |
9399 | break; | |
3772a991 JS |
9400 | default: |
9401 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9402 | "1429 Invalid PCI device group: 0x%x\n", | |
9403 | phba->pci_dev_grp); | |
9404 | break; | |
9405 | } | |
9406 | return; | |
9407 | } | |
9408 | ||
dea3101e JB |
9409 | static struct pci_device_id lpfc_id_table[] = { |
9410 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
9411 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
9412 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
9413 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
9414 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
9415 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9416 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
9417 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9418 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
9419 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9420 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
9421 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9422 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
9423 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9424 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
9425 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9426 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
9427 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
9428 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
9429 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9430 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
9431 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9432 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
9433 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
9434 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
9435 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
9436 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
9437 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9438 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
9439 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
9440 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
9441 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9442 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
9443 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9444 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
9445 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
9446 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
9447 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
9448 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
9449 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9450 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
9451 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
9452 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
9453 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9454 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
9455 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9456 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
9457 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9458 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
9459 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9460 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
9461 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
9462 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
9463 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9464 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
9465 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
9466 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
9467 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9468 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
9469 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9470 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
9471 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9472 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
9473 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9474 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
9475 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9476 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
9477 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
9478 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
9479 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9480 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
9481 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9482 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
9483 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3772a991 JS |
9484 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK, |
9485 | PCI_ANY_ID, PCI_ANY_ID, }, | |
a747c9ce JS |
9486 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT, |
9487 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9488 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON, | |
6669f9bb | 9489 | PCI_ANY_ID, PCI_ANY_ID, }, |
98fc5dd9 JS |
9490 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS, |
9491 | PCI_ANY_ID, PCI_ANY_ID, }, | |
085c647c JS |
9492 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC, |
9493 | PCI_ANY_ID, PCI_ANY_ID, }, | |
9494 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE, | |
9495 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
9496 | { 0 } |
9497 | }; | |
9498 | ||
9499 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
9500 | ||
8d63f375 LV |
9501 | static struct pci_error_handlers lpfc_err_handler = { |
9502 | .error_detected = lpfc_io_error_detected, | |
9503 | .slot_reset = lpfc_io_slot_reset, | |
9504 | .resume = lpfc_io_resume, | |
9505 | }; | |
9506 | ||
dea3101e JB |
9507 | static struct pci_driver lpfc_driver = { |
9508 | .name = LPFC_DRIVER_NAME, | |
9509 | .id_table = lpfc_id_table, | |
9510 | .probe = lpfc_pci_probe_one, | |
9511 | .remove = __devexit_p(lpfc_pci_remove_one), | |
3a55b532 | 9512 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 9513 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 9514 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
9515 | }; |
9516 | ||
e59058c4 | 9517 | /** |
3621a710 | 9518 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
9519 | * |
9520 | * This routine is to be invoked when the lpfc module is loaded into the | |
9521 | * kernel. The special kernel macro module_init() is used to indicate the | |
9522 | * role of this routine to the kernel as lpfc module entry point. | |
9523 | * | |
9524 | * Return codes | |
9525 | * 0 - successful | |
9526 | * -ENOMEM - FC attach transport failed | |
9527 | * all others - failed | |
9528 | */ | |
dea3101e JB |
9529 | static int __init |
9530 | lpfc_init(void) | |
9531 | { | |
9532 | int error = 0; | |
9533 | ||
9534 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 9535 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 9536 | |
7ee5d43e JS |
9537 | if (lpfc_enable_npiv) { |
9538 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
9539 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
9540 | } | |
dea3101e JB |
9541 | lpfc_transport_template = |
9542 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 9543 | if (lpfc_transport_template == NULL) |
dea3101e | 9544 | return -ENOMEM; |
7ee5d43e | 9545 | if (lpfc_enable_npiv) { |
7ee5d43e | 9546 | lpfc_vport_transport_template = |
98c9ea5c JS |
9547 | fc_attach_transport(&lpfc_vport_transport_functions); |
9548 | if (lpfc_vport_transport_template == NULL) { | |
9549 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 9550 | return -ENOMEM; |
98c9ea5c | 9551 | } |
7ee5d43e | 9552 | } |
dea3101e | 9553 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 9554 | if (error) { |
dea3101e | 9555 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
9556 | if (lpfc_enable_npiv) |
9557 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 9558 | } |
dea3101e JB |
9559 | |
9560 | return error; | |
9561 | } | |
9562 | ||
e59058c4 | 9563 | /** |
3621a710 | 9564 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
9565 | * |
9566 | * This routine is invoked when the lpfc module is removed from the kernel. | |
9567 | * The special kernel macro module_exit() is used to indicate the role of | |
9568 | * this routine to the kernel as lpfc module exit point. | |
9569 | */ | |
dea3101e JB |
9570 | static void __exit |
9571 | lpfc_exit(void) | |
9572 | { | |
9573 | pci_unregister_driver(&lpfc_driver); | |
9574 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
9575 | if (lpfc_enable_npiv) |
9576 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b | 9577 | if (_dump_buf_data) { |
6a9c52cf JS |
9578 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
9579 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
9580 | (1L << _dump_buf_data_order), _dump_buf_data); |
9581 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
9582 | } | |
9583 | ||
9584 | if (_dump_buf_dif) { | |
6a9c52cf JS |
9585 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
9586 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
9587 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
9588 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
9589 | } | |
dea3101e JB |
9590 | } |
9591 | ||
9592 | module_init(lpfc_init); | |
9593 | module_exit(lpfc_exit); | |
9594 | MODULE_LICENSE("GPL"); | |
9595 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
9596 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
9597 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |