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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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e 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> |
dea3101e | 31 | |
91886523 | 32 | #include <scsi/scsi.h> |
dea3101e JB |
33 | #include <scsi/scsi_device.h> |
34 | #include <scsi/scsi_host.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
36 | ||
da0436e9 | 37 | #include "lpfc_hw4.h" |
dea3101e JB |
38 | #include "lpfc_hw.h" |
39 | #include "lpfc_sli.h" | |
da0436e9 | 40 | #include "lpfc_sli4.h" |
ea2151b4 | 41 | #include "lpfc_nl.h" |
dea3101e JB |
42 | #include "lpfc_disc.h" |
43 | #include "lpfc_scsi.h" | |
44 | #include "lpfc.h" | |
45 | #include "lpfc_logmsg.h" | |
46 | #include "lpfc_crtn.h" | |
92d7f7b0 | 47 | #include "lpfc_vport.h" |
dea3101e JB |
48 | #include "lpfc_version.h" |
49 | ||
81301a9b JS |
50 | char *_dump_buf_data; |
51 | unsigned long _dump_buf_data_order; | |
52 | char *_dump_buf_dif; | |
53 | unsigned long _dump_buf_dif_order; | |
54 | spinlock_t _dump_buf_lock; | |
55 | ||
dea3101e JB |
56 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
57 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
da0436e9 JS |
58 | static int lpfc_sli4_queue_create(struct lpfc_hba *); |
59 | static void lpfc_sli4_queue_destroy(struct lpfc_hba *); | |
60 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); | |
61 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
62 | static int lpfc_sli4_read_config(struct lpfc_hba *); | |
63 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); | |
64 | static void lpfc_free_sgl_list(struct lpfc_hba *); | |
65 | static int lpfc_init_sgl_list(struct lpfc_hba *); | |
66 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); | |
67 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
68 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
69 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
70 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
71 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
72 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
dea3101e JB |
73 | |
74 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 75 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e JB |
76 | static DEFINE_IDR(lpfc_hba_index); |
77 | ||
e59058c4 | 78 | /** |
3621a710 | 79 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
80 | * @phba: pointer to lpfc hba data structure. |
81 | * | |
82 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
83 | * mailbox command. It retrieves the revision information from the HBA and | |
84 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
85 | * configuration of the HBA. | |
86 | * | |
87 | * Return codes: | |
88 | * 0 - success. | |
89 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
90 | * Any other value - indicates an error. | |
91 | **/ | |
dea3101e | 92 | int |
2e0fef85 | 93 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
94 | { |
95 | lpfc_vpd_t *vp = &phba->vpd; | |
96 | int i = 0, rc; | |
97 | LPFC_MBOXQ_t *pmb; | |
98 | MAILBOX_t *mb; | |
99 | char *lpfc_vpd_data = NULL; | |
100 | uint16_t offset = 0; | |
101 | static char licensed[56] = | |
102 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 103 | static int init_key = 1; |
dea3101e JB |
104 | |
105 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
106 | if (!pmb) { | |
2e0fef85 | 107 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
108 | return -ENOMEM; |
109 | } | |
110 | ||
04c68496 | 111 | mb = &pmb->u.mb; |
2e0fef85 | 112 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
113 | |
114 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
115 | if (init_key) { |
116 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 117 | |
65a29c16 JS |
118 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
119 | *ptext = cpu_to_be32(*ptext); | |
120 | init_key = 0; | |
121 | } | |
dea3101e JB |
122 | |
123 | lpfc_read_nv(phba, pmb); | |
124 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
125 | sizeof (mb->un.varRDnvp.rsvd3)); | |
126 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
127 | sizeof (licensed)); | |
128 | ||
129 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
130 | ||
131 | if (rc != MBX_SUCCESS) { | |
ed957684 | 132 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 133 | "0324 Config Port initialization " |
dea3101e JB |
134 | "error, mbxCmd x%x READ_NVPARM, " |
135 | "mbxStatus x%x\n", | |
dea3101e JB |
136 | mb->mbxCommand, mb->mbxStatus); |
137 | mempool_free(pmb, phba->mbox_mem_pool); | |
138 | return -ERESTART; | |
139 | } | |
140 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
141 | sizeof(phba->wwnn)); |
142 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
143 | sizeof(phba->wwpn)); | |
dea3101e JB |
144 | } |
145 | ||
92d7f7b0 JS |
146 | phba->sli3_options = 0x0; |
147 | ||
dea3101e JB |
148 | /* Setup and issue mailbox READ REV command */ |
149 | lpfc_read_rev(phba, pmb); | |
150 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
151 | if (rc != MBX_SUCCESS) { | |
ed957684 | 152 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 153 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 154 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
155 | mb->mbxCommand, mb->mbxStatus); |
156 | mempool_free( pmb, phba->mbox_mem_pool); | |
157 | return -ERESTART; | |
158 | } | |
159 | ||
92d7f7b0 | 160 | |
1de933f3 JSEC |
161 | /* |
162 | * The value of rr must be 1 since the driver set the cv field to 1. | |
163 | * This setting requires the FW to set all revision fields. | |
dea3101e | 164 | */ |
1de933f3 | 165 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 166 | vp->rev.rBit = 0; |
1de933f3 | 167 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
168 | "0440 Adapter failed to init, READ_REV has " |
169 | "missing revision information.\n"); | |
dea3101e JB |
170 | mempool_free(pmb, phba->mbox_mem_pool); |
171 | return -ERESTART; | |
dea3101e JB |
172 | } |
173 | ||
495a714c JS |
174 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
175 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 176 | return -EINVAL; |
495a714c | 177 | } |
ed957684 | 178 | |
dea3101e | 179 | /* Save information as VPD data */ |
1de933f3 | 180 | vp->rev.rBit = 1; |
92d7f7b0 | 181 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
182 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
183 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
184 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
185 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
186 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
187 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
188 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
189 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
190 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
191 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
192 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
193 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
194 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
195 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
196 | ||
92d7f7b0 JS |
197 | /* If the sli feature level is less then 9, we must |
198 | * tear down all RPIs and VPIs on link down if NPIV | |
199 | * is enabled. | |
200 | */ | |
201 | if (vp->rev.feaLevelHigh < 9) | |
202 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
203 | ||
dea3101e JB |
204 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
205 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
206 | sizeof (phba->RandomData)); | |
207 | ||
dea3101e | 208 | /* Get adapter VPD information */ |
dea3101e JB |
209 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
210 | if (!lpfc_vpd_data) | |
d7c255b2 | 211 | goto out_free_mbox; |
dea3101e JB |
212 | |
213 | do { | |
214 | lpfc_dump_mem(phba, pmb, offset); | |
215 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
216 | ||
217 | if (rc != MBX_SUCCESS) { | |
218 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 219 | "0441 VPD not present on adapter, " |
dea3101e | 220 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 221 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 222 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 223 | } |
04c68496 JS |
224 | /* dump mem may return a zero when finished or we got a |
225 | * mailbox error, either way we are done. | |
226 | */ | |
227 | if (mb->un.varDmp.word_cnt == 0) | |
228 | break; | |
74b72a59 JW |
229 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
230 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
231 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
232 | lpfc_vpd_data + offset, | |
92d7f7b0 | 233 | mb->un.varDmp.word_cnt); |
dea3101e | 234 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
235 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
236 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
237 | |
238 | kfree(lpfc_vpd_data); | |
dea3101e JB |
239 | out_free_mbox: |
240 | mempool_free(pmb, phba->mbox_mem_pool); | |
241 | return 0; | |
242 | } | |
243 | ||
e59058c4 | 244 | /** |
3621a710 | 245 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
246 | * @phba: pointer to lpfc hba data structure. |
247 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
248 | * | |
249 | * This is the completion handler for driver's configuring asynchronous event | |
250 | * mailbox command to the device. If the mailbox command returns successfully, | |
251 | * it will set internal async event support flag to 1; otherwise, it will | |
252 | * set internal async event support flag to 0. | |
253 | **/ | |
57127f15 JS |
254 | static void |
255 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
256 | { | |
04c68496 | 257 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
258 | phba->temp_sensor_support = 1; |
259 | else | |
260 | phba->temp_sensor_support = 0; | |
261 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
262 | return; | |
263 | } | |
264 | ||
97207482 | 265 | /** |
3621a710 | 266 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
267 | * @phba: pointer to lpfc hba data structure. |
268 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
269 | * | |
270 | * This is the completion handler for dump mailbox command for getting | |
271 | * wake up parameters. When this command complete, the response contain | |
272 | * Option rom version of the HBA. This function translate the version number | |
273 | * into a human readable string and store it in OptionROMVersion. | |
274 | **/ | |
275 | static void | |
276 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
277 | { | |
278 | struct prog_id *prg; | |
279 | uint32_t prog_id_word; | |
280 | char dist = ' '; | |
281 | /* character array used for decoding dist type. */ | |
282 | char dist_char[] = "nabx"; | |
283 | ||
04c68496 | 284 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 285 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 286 | return; |
9f1e1b50 | 287 | } |
97207482 JS |
288 | |
289 | prg = (struct prog_id *) &prog_id_word; | |
290 | ||
291 | /* word 7 contain option rom version */ | |
04c68496 | 292 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
293 | |
294 | /* Decode the Option rom version word to a readable string */ | |
295 | if (prg->dist < 4) | |
296 | dist = dist_char[prg->dist]; | |
297 | ||
298 | if ((prg->dist == 3) && (prg->num == 0)) | |
299 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
300 | prg->ver, prg->rev, prg->lev); | |
301 | else | |
302 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
303 | prg->ver, prg->rev, prg->lev, | |
304 | dist, prg->num); | |
9f1e1b50 | 305 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
306 | return; |
307 | } | |
308 | ||
e59058c4 | 309 | /** |
3621a710 | 310 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
311 | * @phba: pointer to lpfc hba data structure. |
312 | * | |
313 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
314 | * command call. It performs all internal resource and state setups on the | |
315 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
316 | * ELS ring timers, etc. | |
317 | * | |
318 | * Return codes | |
319 | * 0 - success. | |
320 | * Any other value - error. | |
321 | **/ | |
dea3101e | 322 | int |
2e0fef85 | 323 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 324 | { |
2e0fef85 | 325 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 326 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
327 | LPFC_MBOXQ_t *pmb; |
328 | MAILBOX_t *mb; | |
329 | struct lpfc_dmabuf *mp; | |
330 | struct lpfc_sli *psli = &phba->sli; | |
331 | uint32_t status, timeout; | |
2e0fef85 JS |
332 | int i, j; |
333 | int rc; | |
dea3101e | 334 | |
7af67051 JS |
335 | spin_lock_irq(&phba->hbalock); |
336 | /* | |
337 | * If the Config port completed correctly the HBA is not | |
338 | * over heated any more. | |
339 | */ | |
340 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
341 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
342 | spin_unlock_irq(&phba->hbalock); | |
343 | ||
dea3101e JB |
344 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
345 | if (!pmb) { | |
2e0fef85 | 346 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
347 | return -ENOMEM; |
348 | } | |
04c68496 | 349 | mb = &pmb->u.mb; |
dea3101e | 350 | |
dea3101e | 351 | /* Get login parameters for NID. */ |
92d7f7b0 | 352 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 353 | pmb->vport = vport; |
dea3101e | 354 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 355 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 356 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 357 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 358 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 359 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
360 | mp = (struct lpfc_dmabuf *) pmb->context1; |
361 | mempool_free( pmb, phba->mbox_mem_pool); | |
362 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
363 | kfree(mp); | |
364 | return -EIO; | |
365 | } | |
366 | ||
367 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
368 | ||
2e0fef85 | 369 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
370 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
371 | kfree(mp); | |
372 | pmb->context1 = NULL; | |
373 | ||
a12e07bc | 374 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
375 | u64_to_wwn(phba->cfg_soft_wwnn, |
376 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 377 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
378 | u64_to_wwn(phba->cfg_soft_wwpn, |
379 | vport->fc_sparam.portName.u.wwn); | |
380 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 381 | sizeof (struct lpfc_name)); |
2e0fef85 | 382 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e | 383 | sizeof (struct lpfc_name)); |
a257bf90 JS |
384 | |
385 | /* Update the fc_host data structures with new wwn. */ | |
386 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
387 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 388 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 389 | |
dea3101e JB |
390 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
391 | /* This should be consolidated into parse_vpd ? - mr */ | |
392 | if (phba->SerialNumber[0] == 0) { | |
393 | uint8_t *outptr; | |
394 | ||
2e0fef85 | 395 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
396 | for (i = 0; i < 12; i++) { |
397 | status = *outptr++; | |
398 | j = ((status & 0xf0) >> 4); | |
399 | if (j <= 9) | |
400 | phba->SerialNumber[i] = | |
401 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
402 | else | |
403 | phba->SerialNumber[i] = | |
404 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
405 | i++; | |
406 | j = (status & 0xf); | |
407 | if (j <= 9) | |
408 | phba->SerialNumber[i] = | |
409 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
410 | else | |
411 | phba->SerialNumber[i] = | |
412 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
413 | } | |
414 | } | |
415 | ||
dea3101e | 416 | lpfc_read_config(phba, pmb); |
ed957684 | 417 | pmb->vport = vport; |
dea3101e | 418 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 419 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 420 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 421 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 422 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 423 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
424 | mempool_free( pmb, phba->mbox_mem_pool); |
425 | return -EIO; | |
426 | } | |
427 | ||
428 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
429 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
430 | phba->cfg_hba_queue_depth = | |
431 | mb->un.varRdConfig.max_xri + 1; | |
432 | ||
433 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
434 | |
435 | /* Get the default values for Model Name and Description */ | |
436 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
437 | ||
438 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
439 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
440 | && !(phba->lmt & LMT_1Gb)) | |
441 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
442 | && !(phba->lmt & LMT_2Gb)) | |
443 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
444 | && !(phba->lmt & LMT_4Gb)) | |
445 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
446 | && !(phba->lmt & LMT_8Gb)) | |
447 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
448 | && !(phba->lmt & LMT_10Gb))) { | |
449 | /* Reset link speed to auto */ | |
ed957684 | 450 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 451 | "1302 Invalid speed for this board: " |
dea3101e | 452 | "Reset link speed to auto: x%x\n", |
dea3101e JB |
453 | phba->cfg_link_speed); |
454 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
455 | } | |
456 | ||
2e0fef85 | 457 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 458 | |
0b727fea | 459 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
460 | if (psli->ring[psli->extra_ring].cmdringaddr) |
461 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
462 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
463 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
464 | if (psli->ring[psli->next_ring].cmdringaddr) | |
465 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
466 | ||
467 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
468 | if (phba->sli_rev != 3) |
469 | lpfc_post_rcv_buf(phba); | |
dea3101e | 470 | |
9399627f JS |
471 | /* |
472 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
473 | */ | |
474 | if (phba->intr_type == MSIX) { | |
475 | rc = lpfc_config_msi(phba, pmb); | |
476 | if (rc) { | |
477 | mempool_free(pmb, phba->mbox_mem_pool); | |
478 | return -EIO; | |
479 | } | |
480 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
481 | if (rc != MBX_SUCCESS) { | |
482 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
483 | "0352 Config MSI mailbox command " | |
484 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
485 | pmb->u.mb.mbxCommand, |
486 | pmb->u.mb.mbxStatus); | |
9399627f JS |
487 | mempool_free(pmb, phba->mbox_mem_pool); |
488 | return -EIO; | |
489 | } | |
490 | } | |
491 | ||
04c68496 | 492 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
493 | /* Initialize ERATT handling flag */ |
494 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
495 | ||
dea3101e | 496 | /* Enable appropriate host interrupts */ |
dea3101e JB |
497 | status = readl(phba->HCregaddr); |
498 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
499 | if (psli->num_rings > 0) | |
500 | status |= HC_R0INT_ENA; | |
501 | if (psli->num_rings > 1) | |
502 | status |= HC_R1INT_ENA; | |
503 | if (psli->num_rings > 2) | |
504 | status |= HC_R2INT_ENA; | |
505 | if (psli->num_rings > 3) | |
506 | status |= HC_R3INT_ENA; | |
507 | ||
875fbdfe JSEC |
508 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
509 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 510 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 511 | |
dea3101e JB |
512 | writel(status, phba->HCregaddr); |
513 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 514 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 515 | |
9399627f JS |
516 | /* Set up ring-0 (ELS) timer */ |
517 | timeout = phba->fc_ratov * 2; | |
2e0fef85 | 518 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
9399627f | 519 | /* Set up heart beat (HB) timer */ |
858c9f6c JS |
520 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
521 | phba->hb_outstanding = 0; | |
522 | phba->last_completion_time = jiffies; | |
9399627f JS |
523 | /* Set up error attention (ERATT) polling timer */ |
524 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
dea3101e JB |
525 | |
526 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
527 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
5b8bd0c9 | 528 | lpfc_set_loopback_flag(phba); |
d7c255b2 | 529 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
8aee918a | 530 | if (rc != MBX_SUCCESS) { |
ed957684 | 531 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 532 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 533 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e JB |
534 | mb->mbxCommand, mb->mbxStatus); |
535 | ||
536 | /* Clear all interrupt enable conditions */ | |
537 | writel(0, phba->HCregaddr); | |
538 | readl(phba->HCregaddr); /* flush */ | |
539 | /* Clear all pending interrupts */ | |
540 | writel(0xffffffff, phba->HAregaddr); | |
541 | readl(phba->HAregaddr); /* flush */ | |
542 | ||
2e0fef85 | 543 | phba->link_state = LPFC_HBA_ERROR; |
8aee918a JS |
544 | if (rc != MBX_BUSY) |
545 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e JB |
546 | return -EIO; |
547 | } | |
548 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
549 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
550 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
551 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
552 | pmb->vport = phba->pport; | |
553 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 554 | |
57127f15 JS |
555 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
556 | lpfc_printf_log(phba, | |
557 | KERN_ERR, | |
558 | LOG_INIT, | |
559 | "0456 Adapter failed to issue " | |
560 | "ASYNCEVT_ENABLE mbox status x%x \n.", | |
561 | rc); | |
562 | mempool_free(pmb, phba->mbox_mem_pool); | |
563 | } | |
97207482 JS |
564 | |
565 | /* Get Option rom version */ | |
566 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
567 | lpfc_dump_wakeup_param(phba, pmb); | |
568 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
569 | pmb->vport = phba->pport; | |
570 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
571 | ||
572 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
573 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
574 | "to get Option ROM version status x%x\n.", rc); | |
575 | mempool_free(pmb, phba->mbox_mem_pool); | |
576 | } | |
577 | ||
d7c255b2 | 578 | return 0; |
ce8b3ce5 JS |
579 | } |
580 | ||
e59058c4 | 581 | /** |
3621a710 | 582 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
583 | * @phba: pointer to lpfc HBA data structure. |
584 | * | |
585 | * This routine will do LPFC uninitialization before the HBA is reset when | |
586 | * bringing down the SLI Layer. | |
587 | * | |
588 | * Return codes | |
589 | * 0 - success. | |
590 | * Any other value - error. | |
591 | **/ | |
dea3101e | 592 | int |
2e0fef85 | 593 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 594 | { |
1b32f6aa JS |
595 | struct lpfc_vport **vports; |
596 | int i; | |
3772a991 JS |
597 | |
598 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
599 | /* Disable interrupts */ | |
600 | writel(0, phba->HCregaddr); | |
601 | readl(phba->HCregaddr); /* flush */ | |
602 | } | |
dea3101e | 603 | |
1b32f6aa JS |
604 | if (phba->pport->load_flag & FC_UNLOADING) |
605 | lpfc_cleanup_discovery_resources(phba->pport); | |
606 | else { | |
607 | vports = lpfc_create_vport_work_array(phba); | |
608 | if (vports != NULL) | |
3772a991 JS |
609 | for (i = 0; i <= phba->max_vports && |
610 | vports[i] != NULL; i++) | |
1b32f6aa JS |
611 | lpfc_cleanup_discovery_resources(vports[i]); |
612 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
613 | } |
614 | return 0; | |
dea3101e JB |
615 | } |
616 | ||
e59058c4 | 617 | /** |
3772a991 | 618 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
619 | * @phba: pointer to lpfc HBA data structure. |
620 | * | |
621 | * This routine will do uninitialization after the HBA is reset when bring | |
622 | * down the SLI Layer. | |
623 | * | |
624 | * Return codes | |
625 | * 0 - sucess. | |
626 | * Any other value - error. | |
627 | **/ | |
3772a991 JS |
628 | static int |
629 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
41415862 JW |
630 | { |
631 | struct lpfc_sli *psli = &phba->sli; | |
632 | struct lpfc_sli_ring *pring; | |
633 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 634 | LIST_HEAD(completions); |
41415862 JW |
635 | int i; |
636 | ||
92d7f7b0 JS |
637 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
638 | lpfc_sli_hbqbuf_free_all(phba); | |
639 | else { | |
640 | /* Cleanup preposted buffers on the ELS ring */ | |
641 | pring = &psli->ring[LPFC_ELS_RING]; | |
642 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
643 | list_del(&mp->list); | |
644 | pring->postbufq_cnt--; | |
645 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
646 | kfree(mp); | |
647 | } | |
41415862 JW |
648 | } |
649 | ||
09372820 | 650 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
651 | for (i = 0; i < psli->num_rings; i++) { |
652 | pring = &psli->ring[i]; | |
09372820 JS |
653 | |
654 | /* At this point in time the HBA is either reset or DOA. Either | |
655 | * way, nothing should be on txcmplq as it will NEVER complete. | |
656 | */ | |
657 | list_splice_init(&pring->txcmplq, &completions); | |
658 | pring->txcmplq_cnt = 0; | |
659 | spin_unlock_irq(&phba->hbalock); | |
660 | ||
a257bf90 JS |
661 | /* Cancel all the IOCBs from the completions list */ |
662 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
663 | IOERR_SLI_ABORTED); | |
09372820 | 664 | |
41415862 | 665 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 666 | spin_lock_irq(&phba->hbalock); |
41415862 | 667 | } |
09372820 | 668 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
669 | |
670 | return 0; | |
671 | } | |
da0436e9 JS |
672 | /** |
673 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
674 | * @phba: pointer to lpfc HBA data structure. | |
675 | * | |
676 | * This routine will do uninitialization after the HBA is reset when bring | |
677 | * down the SLI Layer. | |
678 | * | |
679 | * Return codes | |
680 | * 0 - sucess. | |
681 | * Any other value - error. | |
682 | **/ | |
683 | static int | |
684 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
685 | { | |
686 | struct lpfc_scsi_buf *psb, *psb_next; | |
687 | LIST_HEAD(aborts); | |
688 | int ret; | |
689 | unsigned long iflag = 0; | |
690 | ret = lpfc_hba_down_post_s3(phba); | |
691 | if (ret) | |
692 | return ret; | |
693 | /* At this point in time the HBA is either reset or DOA. Either | |
694 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
695 | * on the lpfc_sgl_list so that it can either be freed if the | |
696 | * driver is unloading or reposted if the driver is restarting | |
697 | * the port. | |
698 | */ | |
699 | spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */ | |
700 | /* scsl_buf_list */ | |
701 | /* abts_sgl_list_lock required because worker thread uses this | |
702 | * list. | |
703 | */ | |
704 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
705 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, | |
706 | &phba->sli4_hba.lpfc_sgl_list); | |
707 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
708 | /* abts_scsi_buf_list_lock required because worker thread uses this | |
709 | * list. | |
710 | */ | |
711 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
712 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
713 | &aborts); | |
714 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
715 | spin_unlock_irq(&phba->hbalock); | |
716 | ||
717 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
718 | psb->pCmd = NULL; | |
719 | psb->status = IOSTAT_SUCCESS; | |
720 | } | |
721 | spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); | |
722 | list_splice(&aborts, &phba->lpfc_scsi_buf_list); | |
723 | spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); | |
724 | return 0; | |
725 | } | |
726 | ||
727 | /** | |
728 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
729 | * @phba: pointer to lpfc HBA data structure. | |
730 | * | |
731 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
732 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
733 | * | |
734 | * Return codes | |
735 | * 0 - sucess. | |
736 | * Any other value - error. | |
737 | **/ | |
738 | int | |
739 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
740 | { | |
741 | return (*phba->lpfc_hba_down_post)(phba); | |
742 | } | |
41415862 | 743 | |
e59058c4 | 744 | /** |
3621a710 | 745 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
746 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
747 | * | |
748 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
749 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
750 | * work-port-events bitmap and the worker thread is notified. This timeout | |
751 | * event will be used by the worker thread to invoke the actual timeout | |
752 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
753 | * be performed in the timeout handler and the HBA timeout event bit shall | |
754 | * be cleared by the worker thread after it has taken the event bitmap out. | |
755 | **/ | |
a6ababd2 | 756 | static void |
858c9f6c JS |
757 | lpfc_hb_timeout(unsigned long ptr) |
758 | { | |
759 | struct lpfc_hba *phba; | |
5e9d9b82 | 760 | uint32_t tmo_posted; |
858c9f6c JS |
761 | unsigned long iflag; |
762 | ||
763 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
764 | |
765 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 766 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
767 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
768 | if (!tmo_posted) | |
858c9f6c JS |
769 | phba->pport->work_port_events |= WORKER_HB_TMO; |
770 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
771 | ||
9399627f | 772 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
773 | if (!tmo_posted) |
774 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
775 | return; |
776 | } | |
777 | ||
e59058c4 | 778 | /** |
3621a710 | 779 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
780 | * @phba: pointer to lpfc hba data structure. |
781 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
782 | * | |
783 | * This is the callback function to the lpfc heart-beat mailbox command. | |
784 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
785 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
786 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
787 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
788 | * heart-beat outstanding state. Once the mailbox command comes back and | |
789 | * no error conditions detected, the heart-beat mailbox command timer is | |
790 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
791 | * state is cleared for the next heart-beat. If the timer expired with the | |
792 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
793 | **/ | |
858c9f6c JS |
794 | static void |
795 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
796 | { | |
797 | unsigned long drvr_flag; | |
798 | ||
799 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
800 | phba->hb_outstanding = 0; | |
801 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
802 | ||
9399627f | 803 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
804 | mempool_free(pmboxq, phba->mbox_mem_pool); |
805 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
806 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 807 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
808 | mod_timer(&phba->hb_tmofunc, |
809 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
810 | return; | |
811 | } | |
812 | ||
e59058c4 | 813 | /** |
3621a710 | 814 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
815 | * @phba: pointer to lpfc hba data structure. |
816 | * | |
817 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
818 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
819 | * handler performs any periodic operations needed for the device. If such | |
820 | * periodic event has already been attended to either in the interrupt handler | |
821 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
822 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
823 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
824 | * is configured and there is no heart-beat mailbox command outstanding, a | |
825 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
826 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
827 | * to offline. | |
828 | **/ | |
858c9f6c JS |
829 | void |
830 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
831 | { | |
832 | LPFC_MBOXQ_t *pmboxq; | |
0ff10d46 | 833 | struct lpfc_dmabuf *buf_ptr; |
858c9f6c JS |
834 | int retval; |
835 | struct lpfc_sli *psli = &phba->sli; | |
0ff10d46 | 836 | LIST_HEAD(completions); |
858c9f6c JS |
837 | |
838 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
51ef4c26 | 839 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
840 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
841 | return; | |
842 | ||
843 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c JS |
844 | |
845 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
846 | jiffies)) { | |
847 | spin_unlock_irq(&phba->pport->work_port_lock); | |
848 | if (!phba->hb_outstanding) | |
849 | mod_timer(&phba->hb_tmofunc, | |
850 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
851 | else | |
852 | mod_timer(&phba->hb_tmofunc, | |
853 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
854 | return; | |
855 | } | |
856 | spin_unlock_irq(&phba->pport->work_port_lock); | |
857 | ||
0ff10d46 JS |
858 | if (phba->elsbuf_cnt && |
859 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
860 | spin_lock_irq(&phba->hbalock); | |
861 | list_splice_init(&phba->elsbuf, &completions); | |
862 | phba->elsbuf_cnt = 0; | |
863 | phba->elsbuf_prev_cnt = 0; | |
864 | spin_unlock_irq(&phba->hbalock); | |
865 | ||
866 | while (!list_empty(&completions)) { | |
867 | list_remove_head(&completions, buf_ptr, | |
868 | struct lpfc_dmabuf, list); | |
869 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
870 | kfree(buf_ptr); | |
871 | } | |
872 | } | |
873 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
874 | ||
858c9f6c | 875 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
876 | if (phba->cfg_enable_hba_heartbeat) { |
877 | if (!phba->hb_outstanding) { | |
878 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
879 | if (!pmboxq) { | |
880 | mod_timer(&phba->hb_tmofunc, | |
881 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
882 | return; | |
883 | } | |
858c9f6c | 884 | |
13815c83 JS |
885 | lpfc_heart_beat(phba, pmboxq); |
886 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
887 | pmboxq->vport = phba->pport; | |
888 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 889 | |
13815c83 JS |
890 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
891 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
892 | mod_timer(&phba->hb_tmofunc, | |
893 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
894 | return; | |
895 | } | |
858c9f6c | 896 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
897 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
898 | phba->hb_outstanding = 1; | |
858c9f6c | 899 | return; |
13815c83 JS |
900 | } else { |
901 | /* | |
902 | * If heart beat timeout called with hb_outstanding set | |
903 | * we need to take the HBA offline. | |
904 | */ | |
905 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
906 | "0459 Adapter heartbeat failure, " | |
907 | "taking this port offline.\n"); | |
908 | ||
909 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 910 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
13815c83 JS |
911 | spin_unlock_irq(&phba->hbalock); |
912 | ||
913 | lpfc_offline_prep(phba); | |
914 | lpfc_offline(phba); | |
915 | lpfc_unblock_mgmt_io(phba); | |
916 | phba->link_state = LPFC_HBA_ERROR; | |
917 | lpfc_hba_down_post(phba); | |
858c9f6c | 918 | } |
858c9f6c JS |
919 | } |
920 | } | |
921 | ||
e59058c4 | 922 | /** |
3621a710 | 923 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
924 | * @phba: pointer to lpfc hba data structure. |
925 | * | |
926 | * This routine is called to bring the HBA offline when HBA hardware error | |
927 | * other than Port Error 6 has been detected. | |
928 | **/ | |
09372820 JS |
929 | static void |
930 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
931 | { | |
932 | struct lpfc_sli *psli = &phba->sli; | |
933 | ||
934 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 935 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 JS |
936 | spin_unlock_irq(&phba->hbalock); |
937 | lpfc_offline_prep(phba); | |
938 | ||
939 | lpfc_offline(phba); | |
940 | lpfc_reset_barrier(phba); | |
f4b4c68f | 941 | spin_lock_irq(&phba->hbalock); |
09372820 | 942 | lpfc_sli_brdreset(phba); |
f4b4c68f | 943 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
944 | lpfc_hba_down_post(phba); |
945 | lpfc_sli_brdready(phba, HS_MBRDY); | |
946 | lpfc_unblock_mgmt_io(phba); | |
947 | phba->link_state = LPFC_HBA_ERROR; | |
948 | return; | |
949 | } | |
950 | ||
da0436e9 JS |
951 | /** |
952 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
953 | * @phba: pointer to lpfc hba data structure. | |
954 | * | |
955 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
956 | * other than Port Error 6 has been detected. | |
957 | **/ | |
958 | static void | |
959 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) | |
960 | { | |
961 | lpfc_offline_prep(phba); | |
962 | lpfc_offline(phba); | |
963 | lpfc_sli4_brdreset(phba); | |
964 | lpfc_hba_down_post(phba); | |
965 | lpfc_sli4_post_status_check(phba); | |
966 | lpfc_unblock_mgmt_io(phba); | |
967 | phba->link_state = LPFC_HBA_ERROR; | |
968 | } | |
969 | ||
a257bf90 JS |
970 | /** |
971 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
972 | * @phba: pointer to lpfc hba data structure. | |
973 | * | |
974 | * This routine is invoked to handle the deferred HBA hardware error | |
975 | * conditions. This type of error is indicated by HBA by setting ER1 | |
976 | * and another ER bit in the host status register. The driver will | |
977 | * wait until the ER1 bit clears before handling the error condition. | |
978 | **/ | |
979 | static void | |
980 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
981 | { | |
982 | uint32_t old_host_status = phba->work_hs; | |
983 | struct lpfc_sli_ring *pring; | |
984 | struct lpfc_sli *psli = &phba->sli; | |
985 | ||
f4b4c68f JS |
986 | /* If the pci channel is offline, ignore possible errors, |
987 | * since we cannot communicate with the pci card anyway. | |
988 | */ | |
989 | if (pci_channel_offline(phba->pcidev)) { | |
990 | spin_lock_irq(&phba->hbalock); | |
991 | phba->hba_flag &= ~DEFER_ERATT; | |
992 | spin_unlock_irq(&phba->hbalock); | |
993 | return; | |
994 | } | |
995 | ||
a257bf90 JS |
996 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
997 | "0479 Deferred Adapter Hardware Error " | |
998 | "Data: x%x x%x x%x\n", | |
999 | phba->work_hs, | |
1000 | phba->work_status[0], phba->work_status[1]); | |
1001 | ||
1002 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1003 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1004 | spin_unlock_irq(&phba->hbalock); |
1005 | ||
1006 | ||
1007 | /* | |
1008 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1009 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1010 | * SCSI layer retry it after re-establishing link. | |
1011 | */ | |
1012 | pring = &psli->ring[psli->fcp_ring]; | |
1013 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1014 | ||
1015 | /* | |
1016 | * There was a firmware error. Take the hba offline and then | |
1017 | * attempt to restart it. | |
1018 | */ | |
1019 | lpfc_offline_prep(phba); | |
1020 | lpfc_offline(phba); | |
1021 | ||
1022 | /* Wait for the ER1 bit to clear.*/ | |
1023 | while (phba->work_hs & HS_FFER1) { | |
1024 | msleep(100); | |
1025 | phba->work_hs = readl(phba->HSregaddr); | |
1026 | /* If driver is unloading let the worker thread continue */ | |
1027 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1028 | phba->work_hs = 0; | |
1029 | break; | |
1030 | } | |
1031 | } | |
1032 | ||
1033 | /* | |
1034 | * This is to ptrotect against a race condition in which | |
1035 | * first write to the host attention register clear the | |
1036 | * host status register. | |
1037 | */ | |
1038 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1039 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1040 | ||
3772a991 | 1041 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1042 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1043 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1044 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1045 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1046 | } | |
1047 | ||
3772a991 JS |
1048 | static void |
1049 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1050 | { | |
1051 | struct lpfc_board_event_header board_event; | |
1052 | struct Scsi_Host *shost; | |
1053 | ||
1054 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1055 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1056 | shost = lpfc_shost_from_vport(phba->pport); | |
1057 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1058 | sizeof(board_event), | |
1059 | (char *) &board_event, | |
1060 | LPFC_NL_VENDOR_ID); | |
1061 | } | |
1062 | ||
e59058c4 | 1063 | /** |
3772a991 | 1064 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1065 | * @phba: pointer to lpfc hba data structure. |
1066 | * | |
1067 | * This routine is invoked to handle the following HBA hardware error | |
1068 | * conditions: | |
1069 | * 1 - HBA error attention interrupt | |
1070 | * 2 - DMA ring index out of range | |
1071 | * 3 - Mailbox command came back as unknown | |
1072 | **/ | |
3772a991 JS |
1073 | static void |
1074 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1075 | { |
2e0fef85 | 1076 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1077 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 1078 | struct lpfc_sli_ring *pring; |
d2873e4c | 1079 | uint32_t event_data; |
57127f15 JS |
1080 | unsigned long temperature; |
1081 | struct temp_event temp_event_data; | |
92d7f7b0 | 1082 | struct Scsi_Host *shost; |
2e0fef85 | 1083 | |
8d63f375 | 1084 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1085 | * since we cannot communicate with the pci card anyway. |
1086 | */ | |
1087 | if (pci_channel_offline(phba->pcidev)) { | |
1088 | spin_lock_irq(&phba->hbalock); | |
1089 | phba->hba_flag &= ~DEFER_ERATT; | |
1090 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1091 | return; |
3772a991 JS |
1092 | } |
1093 | ||
13815c83 JS |
1094 | /* If resets are disabled then leave the HBA alone and return */ |
1095 | if (!phba->cfg_enable_hba_reset) | |
1096 | return; | |
dea3101e | 1097 | |
ea2151b4 | 1098 | /* Send an internal error event to mgmt application */ |
3772a991 | 1099 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1100 | |
a257bf90 JS |
1101 | if (phba->hba_flag & DEFER_ERATT) |
1102 | lpfc_handle_deferred_eratt(phba); | |
1103 | ||
97eab634 | 1104 | if (phba->work_hs & HS_FFER6) { |
dea3101e JB |
1105 | /* Re-establishing Link */ |
1106 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 1107 | "1301 Re-establishing Link " |
dea3101e | 1108 | "Data: x%x x%x x%x\n", |
e8b62011 | 1109 | phba->work_hs, |
dea3101e | 1110 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 1111 | |
92d7f7b0 | 1112 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1113 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1114 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1115 | |
1116 | /* | |
1117 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1118 | * That could cause the I/Os dropped by the firmware. | |
1119 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1120 | * retry it after re-establishing link. | |
1121 | */ | |
1122 | pring = &psli->ring[psli->fcp_ring]; | |
1123 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1124 | ||
dea3101e JB |
1125 | /* |
1126 | * There was a firmware error. Take the hba offline and then | |
1127 | * attempt to restart it. | |
1128 | */ | |
46fa311e | 1129 | lpfc_offline_prep(phba); |
dea3101e | 1130 | lpfc_offline(phba); |
41415862 | 1131 | lpfc_sli_brdrestart(phba); |
dea3101e | 1132 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1133 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1134 | return; |
1135 | } | |
46fa311e | 1136 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1137 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1138 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1139 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1140 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1141 | temp_event_data.data = (uint32_t)temperature; | |
1142 | ||
1143 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1144 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1145 | "(%ld), taking this port offline " |
1146 | "Data: x%x x%x x%x\n", | |
1147 | temperature, phba->work_hs, | |
1148 | phba->work_status[0], phba->work_status[1]); | |
1149 | ||
1150 | shost = lpfc_shost_from_vport(phba->pport); | |
1151 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1152 | sizeof(temp_event_data), | |
1153 | (char *) &temp_event_data, | |
1154 | SCSI_NL_VID_TYPE_PCI | |
1155 | | PCI_VENDOR_ID_EMULEX); | |
1156 | ||
7af67051 | 1157 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1158 | phba->over_temp_state = HBA_OVER_TEMP; |
1159 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1160 | lpfc_offline_eratt(phba); |
57127f15 | 1161 | |
dea3101e JB |
1162 | } else { |
1163 | /* The if clause above forces this code path when the status | |
9399627f JS |
1164 | * failure is a value other than FFER6. Do not call the offline |
1165 | * twice. This is the adapter hardware error path. | |
dea3101e JB |
1166 | */ |
1167 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1168 | "0457 Adapter Hardware Error " |
dea3101e | 1169 | "Data: x%x x%x x%x\n", |
e8b62011 | 1170 | phba->work_hs, |
dea3101e JB |
1171 | phba->work_status[0], phba->work_status[1]); |
1172 | ||
d2873e4c | 1173 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1174 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1175 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1176 | sizeof(event_data), (char *) &event_data, |
1177 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1178 | ||
09372820 | 1179 | lpfc_offline_eratt(phba); |
dea3101e | 1180 | } |
9399627f | 1181 | return; |
dea3101e JB |
1182 | } |
1183 | ||
da0436e9 JS |
1184 | /** |
1185 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1186 | * @phba: pointer to lpfc hba data structure. | |
1187 | * | |
1188 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1189 | * conditions. | |
1190 | **/ | |
1191 | static void | |
1192 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1193 | { | |
1194 | struct lpfc_vport *vport = phba->pport; | |
1195 | uint32_t event_data; | |
1196 | struct Scsi_Host *shost; | |
1197 | ||
1198 | /* If the pci channel is offline, ignore possible errors, since | |
1199 | * we cannot communicate with the pci card anyway. | |
1200 | */ | |
1201 | if (pci_channel_offline(phba->pcidev)) | |
1202 | return; | |
1203 | /* If resets are disabled then leave the HBA alone and return */ | |
1204 | if (!phba->cfg_enable_hba_reset) | |
1205 | return; | |
1206 | ||
1207 | /* Send an internal error event to mgmt application */ | |
1208 | lpfc_board_errevt_to_mgmt(phba); | |
1209 | ||
1210 | /* For now, the actual action for SLI4 device handling is not | |
1211 | * specified yet, just treated it as adaptor hardware failure | |
1212 | */ | |
1213 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1214 | "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n", | |
1215 | phba->work_status[0], phba->work_status[1]); | |
1216 | ||
1217 | event_data = FC_REG_DUMP_EVENT; | |
1218 | shost = lpfc_shost_from_vport(vport); | |
1219 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1220 | sizeof(event_data), (char *) &event_data, | |
1221 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1222 | ||
1223 | lpfc_sli4_offline_eratt(phba); | |
1224 | } | |
1225 | ||
1226 | /** | |
1227 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1228 | * @phba: pointer to lpfc HBA data structure. | |
1229 | * | |
1230 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1231 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1232 | * | |
1233 | * Return codes | |
1234 | * 0 - sucess. | |
1235 | * Any other value - error. | |
1236 | **/ | |
1237 | void | |
1238 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1239 | { | |
1240 | (*phba->lpfc_handle_eratt)(phba); | |
1241 | } | |
1242 | ||
e59058c4 | 1243 | /** |
3621a710 | 1244 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1245 | * @phba: pointer to lpfc hba data structure. |
1246 | * | |
1247 | * This routine is invoked from the worker thread to handle a HBA host | |
1248 | * attention link event. | |
1249 | **/ | |
dea3101e | 1250 | void |
2e0fef85 | 1251 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1252 | { |
2e0fef85 JS |
1253 | struct lpfc_vport *vport = phba->pport; |
1254 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
1255 | LPFC_MBOXQ_t *pmb; |
1256 | volatile uint32_t control; | |
1257 | struct lpfc_dmabuf *mp; | |
09372820 | 1258 | int rc = 0; |
dea3101e JB |
1259 | |
1260 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1261 | if (!pmb) { |
1262 | rc = 1; | |
dea3101e | 1263 | goto lpfc_handle_latt_err_exit; |
09372820 | 1264 | } |
dea3101e JB |
1265 | |
1266 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1267 | if (!mp) { |
1268 | rc = 2; | |
dea3101e | 1269 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1270 | } |
dea3101e JB |
1271 | |
1272 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1273 | if (!mp->virt) { |
1274 | rc = 3; | |
dea3101e | 1275 | goto lpfc_handle_latt_free_mp; |
09372820 | 1276 | } |
dea3101e | 1277 | |
6281bfe0 | 1278 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1279 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
1280 | |
1281 | psli->slistat.link_event++; | |
1282 | lpfc_read_la(phba, pmb, mp); | |
1283 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 1284 | pmb->vport = vport; |
0d2b6b83 JS |
1285 | /* Block ELS IOCBs until we have processed this mbox command */ |
1286 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1287 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1288 | if (rc == MBX_NOT_FINISHED) { |
1289 | rc = 4; | |
14691150 | 1290 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1291 | } |
dea3101e JB |
1292 | |
1293 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1294 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1295 | writel(HA_LATT, phba->HAregaddr); |
1296 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1297 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1298 | |
1299 | return; | |
1300 | ||
14691150 | 1301 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1302 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1303 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
1304 | lpfc_handle_latt_free_mp: |
1305 | kfree(mp); | |
1306 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1307 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
1308 | lpfc_handle_latt_err_exit: |
1309 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1310 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1311 | psli->sli_flag |= LPFC_PROCESS_LA; |
1312 | control = readl(phba->HCregaddr); | |
1313 | control |= HC_LAINT_ENA; | |
1314 | writel(control, phba->HCregaddr); | |
1315 | readl(phba->HCregaddr); /* flush */ | |
1316 | ||
1317 | /* Clear Link Attention in HA REG */ | |
1318 | writel(HA_LATT, phba->HAregaddr); | |
1319 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1320 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1321 | lpfc_linkdown(phba); |
2e0fef85 | 1322 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1323 | |
09372820 JS |
1324 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1325 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
1326 | |
1327 | return; | |
1328 | } | |
1329 | ||
e59058c4 | 1330 | /** |
3621a710 | 1331 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1332 | * @phba: pointer to lpfc hba data structure. |
1333 | * @vpd: pointer to the vital product data. | |
1334 | * @len: length of the vital product data in bytes. | |
1335 | * | |
1336 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1337 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1338 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1339 | * | |
1340 | * Return codes | |
1341 | * 0 - pointer to the VPD passed in is NULL | |
1342 | * 1 - success | |
1343 | **/ | |
3772a991 | 1344 | int |
2e0fef85 | 1345 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
1346 | { |
1347 | uint8_t lenlo, lenhi; | |
07da60c1 | 1348 | int Length; |
dea3101e JB |
1349 | int i, j; |
1350 | int finished = 0; | |
1351 | int index = 0; | |
1352 | ||
1353 | if (!vpd) | |
1354 | return 0; | |
1355 | ||
1356 | /* Vital Product */ | |
ed957684 | 1357 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1358 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
1359 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1360 | (uint32_t) vpd[3]); | |
74b72a59 | 1361 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
1362 | switch (vpd[index]) { |
1363 | case 0x82: | |
74b72a59 | 1364 | case 0x91: |
dea3101e JB |
1365 | index += 1; |
1366 | lenlo = vpd[index]; | |
1367 | index += 1; | |
1368 | lenhi = vpd[index]; | |
1369 | index += 1; | |
1370 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1371 | index += i; | |
1372 | break; | |
1373 | case 0x90: | |
1374 | index += 1; | |
1375 | lenlo = vpd[index]; | |
1376 | index += 1; | |
1377 | lenhi = vpd[index]; | |
1378 | index += 1; | |
1379 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1380 | if (Length > len - index) |
1381 | Length = len - index; | |
dea3101e JB |
1382 | while (Length > 0) { |
1383 | /* Look for Serial Number */ | |
1384 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1385 | index += 2; | |
1386 | i = vpd[index]; | |
1387 | index += 1; | |
1388 | j = 0; | |
1389 | Length -= (3+i); | |
1390 | while(i--) { | |
1391 | phba->SerialNumber[j++] = vpd[index++]; | |
1392 | if (j == 31) | |
1393 | break; | |
1394 | } | |
1395 | phba->SerialNumber[j] = 0; | |
1396 | continue; | |
1397 | } | |
1398 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1399 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1400 | index += 2; | |
1401 | i = vpd[index]; | |
1402 | index += 1; | |
1403 | j = 0; | |
1404 | Length -= (3+i); | |
1405 | while(i--) { | |
1406 | phba->ModelDesc[j++] = vpd[index++]; | |
1407 | if (j == 255) | |
1408 | break; | |
1409 | } | |
1410 | phba->ModelDesc[j] = 0; | |
1411 | continue; | |
1412 | } | |
1413 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1414 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1415 | index += 2; | |
1416 | i = vpd[index]; | |
1417 | index += 1; | |
1418 | j = 0; | |
1419 | Length -= (3+i); | |
1420 | while(i--) { | |
1421 | phba->ModelName[j++] = vpd[index++]; | |
1422 | if (j == 79) | |
1423 | break; | |
1424 | } | |
1425 | phba->ModelName[j] = 0; | |
1426 | continue; | |
1427 | } | |
1428 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1429 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1430 | index += 2; | |
1431 | i = vpd[index]; | |
1432 | index += 1; | |
1433 | j = 0; | |
1434 | Length -= (3+i); | |
1435 | while(i--) { | |
1436 | phba->ProgramType[j++] = vpd[index++]; | |
1437 | if (j == 255) | |
1438 | break; | |
1439 | } | |
1440 | phba->ProgramType[j] = 0; | |
1441 | continue; | |
1442 | } | |
1443 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1444 | phba->vpd_flag |= VPD_PORT; | |
1445 | index += 2; | |
1446 | i = vpd[index]; | |
1447 | index += 1; | |
1448 | j = 0; | |
1449 | Length -= (3+i); | |
1450 | while(i--) { | |
1451 | phba->Port[j++] = vpd[index++]; | |
1452 | if (j == 19) | |
1453 | break; | |
1454 | } | |
1455 | phba->Port[j] = 0; | |
1456 | continue; | |
1457 | } | |
1458 | else { | |
1459 | index += 2; | |
1460 | i = vpd[index]; | |
1461 | index += 1; | |
1462 | index += i; | |
1463 | Length -= (3 + i); | |
1464 | } | |
1465 | } | |
1466 | finished = 0; | |
1467 | break; | |
1468 | case 0x78: | |
1469 | finished = 1; | |
1470 | break; | |
1471 | default: | |
1472 | index ++; | |
1473 | break; | |
1474 | } | |
74b72a59 | 1475 | } |
dea3101e JB |
1476 | |
1477 | return(1); | |
1478 | } | |
1479 | ||
e59058c4 | 1480 | /** |
3621a710 | 1481 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1482 | * @phba: pointer to lpfc hba data structure. |
1483 | * @mdp: pointer to the data structure to hold the derived model name. | |
1484 | * @descp: pointer to the data structure to hold the derived description. | |
1485 | * | |
1486 | * This routine retrieves HBA's description based on its registered PCI device | |
1487 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1488 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1489 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1490 | * function returns, the @mdp will be filled with the model name. | |
1491 | **/ | |
dea3101e | 1492 | static void |
2e0fef85 | 1493 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
1494 | { |
1495 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1496 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1497 | int max_speed; |
84774a4d | 1498 | int GE = 0; |
da0436e9 | 1499 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 JW |
1500 | struct { |
1501 | char * name; | |
1502 | int max_speed; | |
74b72a59 | 1503 | char * bus; |
18a3b596 | 1504 | } m = {"<Unknown>", 0, ""}; |
74b72a59 JW |
1505 | |
1506 | if (mdp && mdp[0] != '\0' | |
1507 | && descp && descp[0] != '\0') | |
1508 | return; | |
1509 | ||
1510 | if (phba->lmt & LMT_10Gb) | |
1511 | max_speed = 10; | |
1512 | else if (phba->lmt & LMT_8Gb) | |
1513 | max_speed = 8; | |
1514 | else if (phba->lmt & LMT_4Gb) | |
1515 | max_speed = 4; | |
1516 | else if (phba->lmt & LMT_2Gb) | |
1517 | max_speed = 2; | |
1518 | else | |
1519 | max_speed = 1; | |
dea3101e JB |
1520 | |
1521 | vp = &phba->vpd; | |
dea3101e | 1522 | |
e4adb204 | 1523 | switch (dev_id) { |
06325e74 | 1524 | case PCI_DEVICE_ID_FIREFLY: |
18a3b596 | 1525 | m = (typeof(m)){"LP6000", max_speed, "PCI"}; |
06325e74 | 1526 | break; |
dea3101e JB |
1527 | case PCI_DEVICE_ID_SUPERFLY: |
1528 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
18a3b596 | 1529 | m = (typeof(m)){"LP7000", max_speed, "PCI"}; |
dea3101e | 1530 | else |
18a3b596 | 1531 | m = (typeof(m)){"LP7000E", max_speed, "PCI"}; |
dea3101e JB |
1532 | break; |
1533 | case PCI_DEVICE_ID_DRAGONFLY: | |
18a3b596 | 1534 | m = (typeof(m)){"LP8000", max_speed, "PCI"}; |
dea3101e JB |
1535 | break; |
1536 | case PCI_DEVICE_ID_CENTAUR: | |
1537 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
18a3b596 | 1538 | m = (typeof(m)){"LP9002", max_speed, "PCI"}; |
dea3101e | 1539 | else |
18a3b596 | 1540 | m = (typeof(m)){"LP9000", max_speed, "PCI"}; |
dea3101e JB |
1541 | break; |
1542 | case PCI_DEVICE_ID_RFLY: | |
18a3b596 | 1543 | m = (typeof(m)){"LP952", max_speed, "PCI"}; |
dea3101e JB |
1544 | break; |
1545 | case PCI_DEVICE_ID_PEGASUS: | |
18a3b596 | 1546 | m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; |
dea3101e JB |
1547 | break; |
1548 | case PCI_DEVICE_ID_THOR: | |
18a3b596 | 1549 | m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; |
dea3101e JB |
1550 | break; |
1551 | case PCI_DEVICE_ID_VIPER: | |
18a3b596 | 1552 | m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; |
dea3101e JB |
1553 | break; |
1554 | case PCI_DEVICE_ID_PFLY: | |
18a3b596 | 1555 | m = (typeof(m)){"LP982", max_speed, "PCI-X"}; |
dea3101e JB |
1556 | break; |
1557 | case PCI_DEVICE_ID_TFLY: | |
18a3b596 | 1558 | m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; |
dea3101e JB |
1559 | break; |
1560 | case PCI_DEVICE_ID_HELIOS: | |
18a3b596 | 1561 | m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; |
dea3101e | 1562 | break; |
e4adb204 | 1563 | case PCI_DEVICE_ID_HELIOS_SCSP: |
18a3b596 | 1564 | m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1565 | break; |
1566 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
18a3b596 | 1567 | m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1568 | break; |
1569 | case PCI_DEVICE_ID_NEPTUNE: | |
18a3b596 | 1570 | m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1571 | break; |
1572 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
18a3b596 | 1573 | m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; |
e4adb204 JSEC |
1574 | break; |
1575 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
18a3b596 | 1576 | m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; |
e4adb204 | 1577 | break; |
dea3101e | 1578 | case PCI_DEVICE_ID_BMID: |
18a3b596 | 1579 | m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; |
dea3101e JB |
1580 | break; |
1581 | case PCI_DEVICE_ID_BSMB: | |
18a3b596 | 1582 | m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; |
dea3101e JB |
1583 | break; |
1584 | case PCI_DEVICE_ID_ZEPHYR: | |
18a3b596 | 1585 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
dea3101e | 1586 | break; |
e4adb204 | 1587 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
18a3b596 | 1588 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1589 | break; |
1590 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a257bf90 JS |
1591 | m = (typeof(m)){"LP2105", max_speed, "PCIe"}; |
1592 | GE = 1; | |
e4adb204 | 1593 | break; |
dea3101e | 1594 | case PCI_DEVICE_ID_ZMID: |
18a3b596 | 1595 | m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; |
dea3101e JB |
1596 | break; |
1597 | case PCI_DEVICE_ID_ZSMB: | |
18a3b596 | 1598 | m = (typeof(m)){"LPe111", max_speed, "PCIe"}; |
dea3101e JB |
1599 | break; |
1600 | case PCI_DEVICE_ID_LP101: | |
18a3b596 | 1601 | m = (typeof(m)){"LP101", max_speed, "PCI-X"}; |
dea3101e JB |
1602 | break; |
1603 | case PCI_DEVICE_ID_LP10000S: | |
18a3b596 | 1604 | m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; |
06325e74 | 1605 | break; |
e4adb204 | 1606 | case PCI_DEVICE_ID_LP11000S: |
18a3b596 JS |
1607 | m = (typeof(m)){"LP11000-S", max_speed, |
1608 | "PCI-X2"}; | |
1609 | break; | |
e4adb204 | 1610 | case PCI_DEVICE_ID_LPE11000S: |
18a3b596 JS |
1611 | m = (typeof(m)){"LPe11000-S", max_speed, |
1612 | "PCIe"}; | |
5cc36b3c | 1613 | break; |
b87eab38 JS |
1614 | case PCI_DEVICE_ID_SAT: |
1615 | m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; | |
1616 | break; | |
1617 | case PCI_DEVICE_ID_SAT_MID: | |
1618 | m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; | |
1619 | break; | |
1620 | case PCI_DEVICE_ID_SAT_SMB: | |
1621 | m = (typeof(m)){"LPe121", max_speed, "PCIe"}; | |
1622 | break; | |
1623 | case PCI_DEVICE_ID_SAT_DCSP: | |
1624 | m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; | |
1625 | break; | |
1626 | case PCI_DEVICE_ID_SAT_SCSP: | |
1627 | m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; | |
1628 | break; | |
1629 | case PCI_DEVICE_ID_SAT_S: | |
1630 | m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; | |
1631 | break; | |
84774a4d JS |
1632 | case PCI_DEVICE_ID_HORNET: |
1633 | m = (typeof(m)){"LP21000", max_speed, "PCIe"}; | |
1634 | GE = 1; | |
1635 | break; | |
1636 | case PCI_DEVICE_ID_PROTEUS_VF: | |
1637 | m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; | |
1638 | break; | |
1639 | case PCI_DEVICE_ID_PROTEUS_PF: | |
1640 | m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; | |
1641 | break; | |
1642 | case PCI_DEVICE_ID_PROTEUS_S: | |
1643 | m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"}; | |
1644 | break; | |
da0436e9 JS |
1645 | case PCI_DEVICE_ID_TIGERSHARK: |
1646 | oneConnect = 1; | |
1647 | m = (typeof(m)) {"OCe10100-F", max_speed, "PCIe"}; | |
1648 | break; | |
1649 | case PCI_DEVICE_ID_TIGERSHARK_S: | |
1650 | oneConnect = 1; | |
1651 | m = (typeof(m)) {"OCe10100-F-S", max_speed, "PCIe"}; | |
1652 | break; | |
5cc36b3c | 1653 | default: |
041976fb | 1654 | m = (typeof(m)){ NULL }; |
e4adb204 | 1655 | break; |
dea3101e | 1656 | } |
74b72a59 JW |
1657 | |
1658 | if (mdp && mdp[0] == '\0') | |
1659 | snprintf(mdp, 79,"%s", m.name); | |
da0436e9 JS |
1660 | /* oneConnect hba requires special processing, they are all initiators |
1661 | * and we put the port number on the end | |
1662 | */ | |
1663 | if (descp && descp[0] == '\0') { | |
1664 | if (oneConnect) | |
1665 | snprintf(descp, 255, | |
1666 | "Emulex OneConnect %s, FCoE Initiator, Port %s", | |
1667 | m.name, | |
1668 | phba->Port); | |
1669 | else | |
1670 | snprintf(descp, 255, | |
1671 | "Emulex %s %d%s %s %s", | |
1672 | m.name, m.max_speed, | |
1673 | (GE) ? "GE" : "Gb", | |
1674 | m.bus, | |
1675 | (GE) ? "FCoE Adapter" : | |
1676 | "Fibre Channel Adapter"); | |
1677 | } | |
dea3101e JB |
1678 | } |
1679 | ||
e59058c4 | 1680 | /** |
3621a710 | 1681 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
1682 | * @phba: pointer to lpfc hba data structure. |
1683 | * @pring: pointer to a IOCB ring. | |
1684 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
1685 | * | |
1686 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
1687 | * descriptors specified by the cnt argument to the given IOCB ring. | |
1688 | * | |
1689 | * Return codes | |
1690 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
1691 | **/ | |
dea3101e | 1692 | int |
495a714c | 1693 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e JB |
1694 | { |
1695 | IOCB_t *icmd; | |
0bd4ca25 | 1696 | struct lpfc_iocbq *iocb; |
dea3101e JB |
1697 | struct lpfc_dmabuf *mp1, *mp2; |
1698 | ||
1699 | cnt += pring->missbufcnt; | |
1700 | ||
1701 | /* While there are buffers to post */ | |
1702 | while (cnt > 0) { | |
1703 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1704 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
1705 | if (iocb == NULL) { |
1706 | pring->missbufcnt = cnt; | |
1707 | return cnt; | |
1708 | } | |
dea3101e JB |
1709 | icmd = &iocb->iocb; |
1710 | ||
1711 | /* 2 buffers can be posted per command */ | |
1712 | /* Allocate buffer to post */ | |
1713 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1714 | if (mp1) | |
98c9ea5c JS |
1715 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1716 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1717 | kfree(mp1); |
604a3e30 | 1718 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1719 | pring->missbufcnt = cnt; |
1720 | return cnt; | |
1721 | } | |
1722 | ||
1723 | INIT_LIST_HEAD(&mp1->list); | |
1724 | /* Allocate buffer to post */ | |
1725 | if (cnt > 1) { | |
1726 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1727 | if (mp2) | |
1728 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1729 | &mp2->phys); | |
98c9ea5c | 1730 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1731 | kfree(mp2); |
dea3101e JB |
1732 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1733 | kfree(mp1); | |
604a3e30 | 1734 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1735 | pring->missbufcnt = cnt; |
1736 | return cnt; | |
1737 | } | |
1738 | ||
1739 | INIT_LIST_HEAD(&mp2->list); | |
1740 | } else { | |
1741 | mp2 = NULL; | |
1742 | } | |
1743 | ||
1744 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1745 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1746 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1747 | icmd->ulpBdeCount = 1; | |
1748 | cnt--; | |
1749 | if (mp2) { | |
1750 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1751 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1752 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1753 | cnt--; | |
1754 | icmd->ulpBdeCount = 2; | |
1755 | } | |
1756 | ||
1757 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1758 | icmd->ulpLe = 1; | |
1759 | ||
3772a991 JS |
1760 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
1761 | IOCB_ERROR) { | |
dea3101e JB |
1762 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1763 | kfree(mp1); | |
1764 | cnt++; | |
1765 | if (mp2) { | |
1766 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1767 | kfree(mp2); | |
1768 | cnt++; | |
1769 | } | |
604a3e30 | 1770 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1771 | pring->missbufcnt = cnt; |
dea3101e JB |
1772 | return cnt; |
1773 | } | |
dea3101e | 1774 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1775 | if (mp2) |
dea3101e | 1776 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
1777 | } |
1778 | pring->missbufcnt = 0; | |
1779 | return 0; | |
1780 | } | |
1781 | ||
e59058c4 | 1782 | /** |
3621a710 | 1783 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
1784 | * @phba: pointer to lpfc hba data structure. |
1785 | * | |
1786 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
1787 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
1788 | * set to 64 IOCBs. | |
1789 | * | |
1790 | * Return codes | |
1791 | * 0 - success (currently always success) | |
1792 | **/ | |
dea3101e | 1793 | static int |
2e0fef85 | 1794 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
1795 | { |
1796 | struct lpfc_sli *psli = &phba->sli; | |
1797 | ||
1798 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 1799 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e JB |
1800 | /* Ring 2 - FCP no buffers needed */ |
1801 | ||
1802 | return 0; | |
1803 | } | |
1804 | ||
1805 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1806 | ||
e59058c4 | 1807 | /** |
3621a710 | 1808 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
1809 | * @HashResultPointer: pointer to an array as hash table. |
1810 | * | |
1811 | * This routine sets up the initial values to the array of hash table entries | |
1812 | * for the LC HBAs. | |
1813 | **/ | |
dea3101e JB |
1814 | static void |
1815 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1816 | { | |
1817 | HashResultPointer[0] = 0x67452301; | |
1818 | HashResultPointer[1] = 0xEFCDAB89; | |
1819 | HashResultPointer[2] = 0x98BADCFE; | |
1820 | HashResultPointer[3] = 0x10325476; | |
1821 | HashResultPointer[4] = 0xC3D2E1F0; | |
1822 | } | |
1823 | ||
e59058c4 | 1824 | /** |
3621a710 | 1825 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
1826 | * @HashResultPointer: pointer to an initial/result hash table. |
1827 | * @HashWorkingPointer: pointer to an working hash table. | |
1828 | * | |
1829 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
1830 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
1831 | * The results are putting back to the initial hash table, returned through | |
1832 | * the @HashResultPointer as the result hash table. | |
1833 | **/ | |
dea3101e JB |
1834 | static void |
1835 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1836 | { | |
1837 | int t; | |
1838 | uint32_t TEMP; | |
1839 | uint32_t A, B, C, D, E; | |
1840 | t = 16; | |
1841 | do { | |
1842 | HashWorkingPointer[t] = | |
1843 | S(1, | |
1844 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1845 | 8] ^ | |
1846 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1847 | } while (++t <= 79); | |
1848 | t = 0; | |
1849 | A = HashResultPointer[0]; | |
1850 | B = HashResultPointer[1]; | |
1851 | C = HashResultPointer[2]; | |
1852 | D = HashResultPointer[3]; | |
1853 | E = HashResultPointer[4]; | |
1854 | ||
1855 | do { | |
1856 | if (t < 20) { | |
1857 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1858 | } else if (t < 40) { | |
1859 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1860 | } else if (t < 60) { | |
1861 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1862 | } else { | |
1863 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1864 | } | |
1865 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1866 | E = D; | |
1867 | D = C; | |
1868 | C = S(30, B); | |
1869 | B = A; | |
1870 | A = TEMP; | |
1871 | } while (++t <= 79); | |
1872 | ||
1873 | HashResultPointer[0] += A; | |
1874 | HashResultPointer[1] += B; | |
1875 | HashResultPointer[2] += C; | |
1876 | HashResultPointer[3] += D; | |
1877 | HashResultPointer[4] += E; | |
1878 | ||
1879 | } | |
1880 | ||
e59058c4 | 1881 | /** |
3621a710 | 1882 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
1883 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
1884 | * @HashWorking: pointer to the entry of the working hash array. | |
1885 | * | |
1886 | * This routine calculates the working hash array referred by @HashWorking | |
1887 | * from the challenge random numbers associated with the host, referred by | |
1888 | * @RandomChallenge. The result is put into the entry of the working hash | |
1889 | * array and returned by reference through @HashWorking. | |
1890 | **/ | |
dea3101e JB |
1891 | static void |
1892 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1893 | { | |
1894 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1895 | } | |
1896 | ||
e59058c4 | 1897 | /** |
3621a710 | 1898 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
1899 | * @phba: pointer to lpfc hba data structure. |
1900 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
1901 | * | |
1902 | * This routine performs the special handling for LC HBA initialization. | |
1903 | **/ | |
dea3101e JB |
1904 | void |
1905 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1906 | { | |
1907 | int t; | |
1908 | uint32_t *HashWorking; | |
2e0fef85 | 1909 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1910 | |
bbfbbbc1 | 1911 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
1912 | if (!HashWorking) |
1913 | return; | |
1914 | ||
dea3101e JB |
1915 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1916 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1917 | ||
1918 | for (t = 0; t < 7; t++) | |
1919 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1920 | ||
1921 | lpfc_sha_init(hbainit); | |
1922 | lpfc_sha_iterate(hbainit, HashWorking); | |
1923 | kfree(HashWorking); | |
1924 | } | |
1925 | ||
e59058c4 | 1926 | /** |
3621a710 | 1927 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
1928 | * @vport: pointer to a virtual N_Port data structure. |
1929 | * | |
1930 | * This routine performs the necessary cleanups before deleting the @vport. | |
1931 | * It invokes the discovery state machine to perform necessary state | |
1932 | * transitions and to release the ndlps associated with the @vport. Note, | |
1933 | * the physical port is treated as @vport 0. | |
1934 | **/ | |
87af33fe | 1935 | void |
2e0fef85 | 1936 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1937 | { |
87af33fe | 1938 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1939 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1940 | int i = 0; |
dea3101e | 1941 | |
87af33fe JS |
1942 | if (phba->link_state > LPFC_LINK_DOWN) |
1943 | lpfc_port_link_failure(vport); | |
1944 | ||
1945 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1946 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1947 | ndlp = lpfc_enable_node(vport, ndlp, | |
1948 | NLP_STE_UNUSED_NODE); | |
1949 | if (!ndlp) | |
1950 | continue; | |
1951 | spin_lock_irq(&phba->ndlp_lock); | |
1952 | NLP_SET_FREE_REQ(ndlp); | |
1953 | spin_unlock_irq(&phba->ndlp_lock); | |
1954 | /* Trigger the release of the ndlp memory */ | |
1955 | lpfc_nlp_put(ndlp); | |
1956 | continue; | |
1957 | } | |
1958 | spin_lock_irq(&phba->ndlp_lock); | |
1959 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
1960 | /* The ndlp should not be in memory free mode already */ | |
1961 | spin_unlock_irq(&phba->ndlp_lock); | |
1962 | continue; | |
1963 | } else | |
1964 | /* Indicate request for freeing ndlp memory */ | |
1965 | NLP_SET_FREE_REQ(ndlp); | |
1966 | spin_unlock_irq(&phba->ndlp_lock); | |
1967 | ||
58da1ffb JS |
1968 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
1969 | ndlp->nlp_DID == Fabric_DID) { | |
1970 | /* Just free up ndlp with Fabric_DID for vports */ | |
1971 | lpfc_nlp_put(ndlp); | |
1972 | continue; | |
1973 | } | |
1974 | ||
87af33fe JS |
1975 | if (ndlp->nlp_type & NLP_FABRIC) |
1976 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
1977 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 1978 | |
87af33fe JS |
1979 | lpfc_disc_state_machine(vport, ndlp, NULL, |
1980 | NLP_EVT_DEVICE_RM); | |
495a714c | 1981 | |
87af33fe JS |
1982 | } |
1983 | ||
a8adb832 JS |
1984 | /* At this point, ALL ndlp's should be gone |
1985 | * because of the previous NLP_EVT_DEVICE_RM. | |
1986 | * Lets wait for this to happen, if needed. | |
1987 | */ | |
87af33fe | 1988 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 1989 | if (i++ > 3000) { |
87af33fe | 1990 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 1991 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
1992 | list_for_each_entry_safe(ndlp, next_ndlp, |
1993 | &vport->fc_nodes, nlp_listp) { | |
1994 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
1995 | LOG_NODE, | |
d7c255b2 | 1996 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
1997 | "usgmap:x%x refcnt:%d\n", |
1998 | ndlp->nlp_DID, (void *)ndlp, | |
1999 | ndlp->nlp_usg_map, | |
2000 | atomic_read( | |
2001 | &ndlp->kref.refcount)); | |
2002 | } | |
a8adb832 | 2003 | break; |
87af33fe | 2004 | } |
a8adb832 JS |
2005 | |
2006 | /* Wait for any activity on ndlps to settle */ | |
2007 | msleep(10); | |
87af33fe | 2008 | } |
dea3101e JB |
2009 | } |
2010 | ||
e59058c4 | 2011 | /** |
3621a710 | 2012 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2013 | * @vport: pointer to a virtual N_Port data structure. |
2014 | * | |
2015 | * This routine stops all the timers associated with a @vport. This function | |
2016 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2017 | * port is treated as @vport 0. | |
2018 | **/ | |
92d7f7b0 JS |
2019 | void |
2020 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2021 | { |
92d7f7b0 JS |
2022 | del_timer_sync(&vport->els_tmofunc); |
2023 | del_timer_sync(&vport->fc_fdmitmo); | |
2024 | lpfc_can_disctmo(vport); | |
2025 | return; | |
dea3101e JB |
2026 | } |
2027 | ||
e59058c4 | 2028 | /** |
3772a991 | 2029 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2030 | * @phba: pointer to lpfc hba data structure. |
2031 | * | |
2032 | * This routine stops all the timers associated with a HBA. This function is | |
2033 | * invoked before either putting a HBA offline or unloading the driver. | |
2034 | **/ | |
3772a991 JS |
2035 | void |
2036 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2037 | { |
51ef4c26 | 2038 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2039 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2040 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2041 | del_timer_sync(&phba->eratt_poll); |
3772a991 JS |
2042 | del_timer_sync(&phba->hb_tmofunc); |
2043 | phba->hb_outstanding = 0; | |
2044 | ||
2045 | switch (phba->pci_dev_grp) { | |
2046 | case LPFC_PCI_DEV_LP: | |
2047 | /* Stop any LightPulse device specific driver timers */ | |
2048 | del_timer_sync(&phba->fcp_poll_timer); | |
2049 | break; | |
2050 | case LPFC_PCI_DEV_OC: | |
2051 | /* Stop any OneConnect device sepcific driver timers */ | |
2052 | break; | |
2053 | default: | |
2054 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2055 | "0297 Invalid device group (x%x)\n", | |
2056 | phba->pci_dev_grp); | |
2057 | break; | |
2058 | } | |
2e0fef85 | 2059 | return; |
dea3101e JB |
2060 | } |
2061 | ||
e59058c4 | 2062 | /** |
3621a710 | 2063 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2064 | * @phba: pointer to lpfc hba data structure. |
2065 | * | |
2066 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2067 | * management interface is marked as blocked, all the user space access to | |
2068 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2069 | * all be blocked. The HBA is set to block the management interface when the | |
2070 | * driver prepares the HBA interface for online or offline. | |
2071 | **/ | |
a6ababd2 AB |
2072 | static void |
2073 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
2074 | { | |
2075 | unsigned long iflag; | |
2076 | ||
2077 | spin_lock_irqsave(&phba->hbalock, iflag); | |
2078 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
2079 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
2080 | } | |
2081 | ||
e59058c4 | 2082 | /** |
3621a710 | 2083 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
2084 | * @phba: pointer to lpfc hba data structure. |
2085 | * | |
2086 | * This routine initializes the HBA and brings a HBA online. During this | |
2087 | * process, the management interface is blocked to prevent user space access | |
2088 | * to the HBA interfering with the driver initialization. | |
2089 | * | |
2090 | * Return codes | |
2091 | * 0 - successful | |
2092 | * 1 - failed | |
2093 | **/ | |
dea3101e | 2094 | int |
2e0fef85 | 2095 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 2096 | { |
372bd282 | 2097 | struct lpfc_vport *vport; |
549e55cd JS |
2098 | struct lpfc_vport **vports; |
2099 | int i; | |
2e0fef85 | 2100 | |
dea3101e JB |
2101 | if (!phba) |
2102 | return 0; | |
372bd282 | 2103 | vport = phba->pport; |
dea3101e | 2104 | |
2e0fef85 | 2105 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
2106 | return 0; |
2107 | ||
ed957684 | 2108 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2109 | "0458 Bring Adapter online\n"); |
dea3101e | 2110 | |
46fa311e JS |
2111 | lpfc_block_mgmt_io(phba); |
2112 | ||
2113 | if (!lpfc_sli_queue_setup(phba)) { | |
2114 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2115 | return 1; |
46fa311e | 2116 | } |
dea3101e | 2117 | |
da0436e9 JS |
2118 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2119 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
2120 | lpfc_unblock_mgmt_io(phba); | |
2121 | return 1; | |
2122 | } | |
2123 | } else { | |
2124 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ | |
2125 | lpfc_unblock_mgmt_io(phba); | |
2126 | return 1; | |
2127 | } | |
46fa311e | 2128 | } |
dea3101e | 2129 | |
549e55cd JS |
2130 | vports = lpfc_create_vport_work_array(phba); |
2131 | if (vports != NULL) | |
da0436e9 | 2132 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
2133 | struct Scsi_Host *shost; |
2134 | shost = lpfc_shost_from_vport(vports[i]); | |
2135 | spin_lock_irq(shost->host_lock); | |
2136 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
2137 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2138 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
2139 | spin_unlock_irq(shost->host_lock); | |
2140 | } | |
09372820 | 2141 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2142 | |
46fa311e | 2143 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
2144 | return 0; |
2145 | } | |
2146 | ||
e59058c4 | 2147 | /** |
3621a710 | 2148 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
2149 | * @phba: pointer to lpfc hba data structure. |
2150 | * | |
2151 | * This routine marks a HBA's management interface as not blocked. Once the | |
2152 | * HBA's management interface is marked as not blocked, all the user space | |
2153 | * access to the HBA, whether they are from sysfs interface or libdfc | |
2154 | * interface will be allowed. The HBA is set to block the management interface | |
2155 | * when the driver prepares the HBA interface for online or offline and then | |
2156 | * set to unblock the management interface afterwards. | |
2157 | **/ | |
46fa311e JS |
2158 | void |
2159 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
2160 | { | |
2161 | unsigned long iflag; | |
2162 | ||
2e0fef85 JS |
2163 | spin_lock_irqsave(&phba->hbalock, iflag); |
2164 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
2165 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
2166 | } |
2167 | ||
e59058c4 | 2168 | /** |
3621a710 | 2169 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
2170 | * @phba: pointer to lpfc hba data structure. |
2171 | * | |
2172 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
2173 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
2174 | * queue to make it ready to be brought offline. | |
2175 | **/ | |
46fa311e JS |
2176 | void |
2177 | lpfc_offline_prep(struct lpfc_hba * phba) | |
2178 | { | |
2e0fef85 | 2179 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 2180 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
2181 | struct lpfc_vport **vports; |
2182 | int i; | |
dea3101e | 2183 | |
2e0fef85 | 2184 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2185 | return; |
dea3101e | 2186 | |
46fa311e | 2187 | lpfc_block_mgmt_io(phba); |
dea3101e JB |
2188 | |
2189 | lpfc_linkdown(phba); | |
2190 | ||
87af33fe JS |
2191 | /* Issue an unreg_login to all nodes on all vports */ |
2192 | vports = lpfc_create_vport_work_array(phba); | |
2193 | if (vports != NULL) { | |
da0436e9 | 2194 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
87af33fe JS |
2195 | struct Scsi_Host *shost; |
2196 | ||
a8adb832 JS |
2197 | if (vports[i]->load_flag & FC_UNLOADING) |
2198 | continue; | |
da0436e9 | 2199 | vports[i]->vfi_state &= ~LPFC_VFI_REGISTERED; |
87af33fe JS |
2200 | shost = lpfc_shost_from_vport(vports[i]); |
2201 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2202 | &vports[i]->fc_nodes, | |
2203 | nlp_listp) { | |
e47c9093 JS |
2204 | if (!NLP_CHK_NODE_ACT(ndlp)) |
2205 | continue; | |
87af33fe JS |
2206 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2207 | continue; | |
2208 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2209 | lpfc_disc_state_machine(vports[i], ndlp, | |
2210 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
2211 | lpfc_disc_state_machine(vports[i], ndlp, | |
2212 | NULL, NLP_EVT_DEVICE_RM); | |
2213 | } | |
2214 | spin_lock_irq(shost->host_lock); | |
2215 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2216 | spin_unlock_irq(shost->host_lock); | |
2217 | lpfc_unreg_rpi(vports[i], ndlp); | |
2218 | } | |
2219 | } | |
2220 | } | |
09372820 | 2221 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2222 | |
04c68496 | 2223 | lpfc_sli_mbox_sys_shutdown(phba); |
46fa311e JS |
2224 | } |
2225 | ||
e59058c4 | 2226 | /** |
3621a710 | 2227 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
2228 | * @phba: pointer to lpfc hba data structure. |
2229 | * | |
2230 | * This routine actually brings a HBA offline. It stops all the timers | |
2231 | * associated with the HBA, brings down the SLI layer, and eventually | |
2232 | * marks the HBA as in offline state for the upper layer protocol. | |
2233 | **/ | |
46fa311e | 2234 | void |
2e0fef85 | 2235 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 2236 | { |
549e55cd JS |
2237 | struct Scsi_Host *shost; |
2238 | struct lpfc_vport **vports; | |
2239 | int i; | |
46fa311e | 2240 | |
549e55cd | 2241 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2242 | return; |
688a8863 | 2243 | |
da0436e9 JS |
2244 | /* stop port and all timers associated with this hba */ |
2245 | lpfc_stop_port(phba); | |
51ef4c26 JS |
2246 | vports = lpfc_create_vport_work_array(phba); |
2247 | if (vports != NULL) | |
da0436e9 | 2248 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 2249 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2250 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2251 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2252 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
2253 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2254 | now. */ | |
2255 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2256 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2257 | phba->work_ha = 0; |
92d7f7b0 | 2258 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2259 | vports = lpfc_create_vport_work_array(phba); |
2260 | if (vports != NULL) | |
da0436e9 | 2261 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 2262 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2263 | spin_lock_irq(shost->host_lock); |
2264 | vports[i]->work_port_events = 0; | |
2265 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2266 | spin_unlock_irq(shost->host_lock); | |
2267 | } | |
09372820 | 2268 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
2269 | } |
2270 | ||
e59058c4 | 2271 | /** |
3621a710 | 2272 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2273 | * @phba: pointer to lpfc hba data structure. |
2274 | * | |
2275 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2276 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2277 | * the internal resources before the device is removed from the system. | |
2278 | * | |
2279 | * Return codes | |
2280 | * 0 - successful (for now, it always returns 0) | |
2281 | **/ | |
dea3101e | 2282 | static int |
2e0fef85 | 2283 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
2284 | { |
2285 | struct lpfc_scsi_buf *sb, *sb_next; | |
2286 | struct lpfc_iocbq *io, *io_next; | |
2287 | ||
2e0fef85 | 2288 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
2289 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
2290 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
2291 | list_del(&sb->list); | |
2292 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2293 | sb->dma_handle); |
dea3101e JB |
2294 | kfree(sb); |
2295 | phba->total_scsi_bufs--; | |
2296 | } | |
2297 | ||
2298 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2299 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2300 | list_del(&io->list); | |
2301 | kfree(io); | |
2302 | phba->total_iocbq_bufs--; | |
2303 | } | |
2304 | ||
2e0fef85 | 2305 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2306 | |
2307 | return 0; | |
2308 | } | |
2309 | ||
e59058c4 | 2310 | /** |
3621a710 | 2311 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
2312 | * @phba: pointer to lpfc hba data structure. |
2313 | * @instance: a unique integer ID to this FC port. | |
2314 | * @dev: pointer to the device data structure. | |
2315 | * | |
2316 | * This routine creates a FC port for the upper layer protocol. The FC port | |
2317 | * can be created on top of either a physical port or a virtual port provided | |
2318 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
2319 | * and associates the FC port created before adding the shost into the SCSI | |
2320 | * layer. | |
2321 | * | |
2322 | * Return codes | |
2323 | * @vport - pointer to the virtual N_Port data structure. | |
2324 | * NULL - port create failed. | |
2325 | **/ | |
2e0fef85 | 2326 | struct lpfc_vport * |
3de2a653 | 2327 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 2328 | { |
2e0fef85 JS |
2329 | struct lpfc_vport *vport; |
2330 | struct Scsi_Host *shost; | |
2331 | int error = 0; | |
47a8617c | 2332 | |
3de2a653 JS |
2333 | if (dev != &phba->pcidev->dev) |
2334 | shost = scsi_host_alloc(&lpfc_vport_template, | |
2335 | sizeof(struct lpfc_vport)); | |
2336 | else | |
2337 | shost = scsi_host_alloc(&lpfc_template, | |
2338 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
2339 | if (!shost) |
2340 | goto out; | |
47a8617c | 2341 | |
2e0fef85 JS |
2342 | vport = (struct lpfc_vport *) shost->hostdata; |
2343 | vport->phba = phba; | |
2e0fef85 | 2344 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 2345 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 2346 | vport->fc_rscn_flush = 0; |
47a8617c | 2347 | |
3de2a653 | 2348 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
2349 | shost->unique_id = instance; |
2350 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 2351 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
2352 | shost->this_id = -1; |
2353 | shost->max_cmd_len = 16; | |
da0436e9 JS |
2354 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2355 | shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE; | |
2356 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; | |
2357 | } | |
81301a9b | 2358 | |
47a8617c | 2359 | /* |
2e0fef85 JS |
2360 | * Set initial can_queue value since 0 is no longer supported and |
2361 | * scsi_add_host will fail. This will be adjusted later based on the | |
2362 | * max xri value determined in hba setup. | |
47a8617c | 2363 | */ |
2e0fef85 | 2364 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 2365 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
2366 | shost->transportt = lpfc_vport_transport_template; |
2367 | vport->port_type = LPFC_NPIV_PORT; | |
2368 | } else { | |
2369 | shost->transportt = lpfc_transport_template; | |
2370 | vport->port_type = LPFC_PHYSICAL_PORT; | |
2371 | } | |
47a8617c | 2372 | |
2e0fef85 JS |
2373 | /* Initialize all internally managed lists. */ |
2374 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 2375 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 2376 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 2377 | |
2e0fef85 JS |
2378 | init_timer(&vport->fc_disctmo); |
2379 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 2380 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 2381 | |
2e0fef85 JS |
2382 | init_timer(&vport->fc_fdmitmo); |
2383 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 2384 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 2385 | |
2e0fef85 JS |
2386 | init_timer(&vport->els_tmofunc); |
2387 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 2388 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 2389 | |
3de2a653 | 2390 | error = scsi_add_host(shost, dev); |
2e0fef85 JS |
2391 | if (error) |
2392 | goto out_put_shost; | |
47a8617c | 2393 | |
549e55cd | 2394 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 2395 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 2396 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2397 | return vport; |
47a8617c | 2398 | |
2e0fef85 JS |
2399 | out_put_shost: |
2400 | scsi_host_put(shost); | |
2401 | out: | |
2402 | return NULL; | |
47a8617c JS |
2403 | } |
2404 | ||
e59058c4 | 2405 | /** |
3621a710 | 2406 | * destroy_port - destroy an FC port |
e59058c4 JS |
2407 | * @vport: pointer to an lpfc virtual N_Port data structure. |
2408 | * | |
2409 | * This routine destroys a FC port from the upper layer protocol. All the | |
2410 | * resources associated with the port are released. | |
2411 | **/ | |
2e0fef85 JS |
2412 | void |
2413 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 2414 | { |
92d7f7b0 JS |
2415 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2416 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2417 | |
858c9f6c | 2418 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
2419 | fc_remove_host(shost); |
2420 | scsi_remove_host(shost); | |
47a8617c | 2421 | |
92d7f7b0 JS |
2422 | spin_lock_irq(&phba->hbalock); |
2423 | list_del_init(&vport->listentry); | |
2424 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 2425 | |
92d7f7b0 | 2426 | lpfc_cleanup(vport); |
47a8617c | 2427 | return; |
47a8617c JS |
2428 | } |
2429 | ||
e59058c4 | 2430 | /** |
3621a710 | 2431 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
2432 | * |
2433 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
2434 | * uses the kernel idr facility to perform the task. | |
2435 | * | |
2436 | * Return codes: | |
2437 | * instance - a unique integer ID allocated as the new instance. | |
2438 | * -1 - lpfc get instance failed. | |
2439 | **/ | |
92d7f7b0 JS |
2440 | int |
2441 | lpfc_get_instance(void) | |
2442 | { | |
2443 | int instance = 0; | |
47a8617c | 2444 | |
92d7f7b0 JS |
2445 | /* Assign an unused number */ |
2446 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
2447 | return -1; | |
2448 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
2449 | return -1; | |
2450 | return instance; | |
47a8617c JS |
2451 | } |
2452 | ||
e59058c4 | 2453 | /** |
3621a710 | 2454 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
2455 | * @shost: pointer to SCSI host data structure. |
2456 | * @time: elapsed time of the scan in jiffies. | |
2457 | * | |
2458 | * This routine is called by the SCSI layer with a SCSI host to determine | |
2459 | * whether the scan host is finished. | |
2460 | * | |
2461 | * Note: there is no scan_start function as adapter initialization will have | |
2462 | * asynchronously kicked off the link initialization. | |
2463 | * | |
2464 | * Return codes | |
2465 | * 0 - SCSI host scan is not over yet. | |
2466 | * 1 - SCSI host scan is over. | |
2467 | **/ | |
47a8617c JS |
2468 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
2469 | { | |
2e0fef85 JS |
2470 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2471 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 2472 | int stat = 0; |
47a8617c | 2473 | |
858c9f6c JS |
2474 | spin_lock_irq(shost->host_lock); |
2475 | ||
51ef4c26 | 2476 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
2477 | stat = 1; |
2478 | goto finished; | |
2479 | } | |
2e0fef85 JS |
2480 | if (time >= 30 * HZ) { |
2481 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2482 | "0461 Scanning longer than 30 " |
2483 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2484 | stat = 1; |
47a8617c | 2485 | goto finished; |
2e0fef85 JS |
2486 | } |
2487 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
2488 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2489 | "0465 Link down longer than 15 " |
2490 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2491 | stat = 1; |
47a8617c | 2492 | goto finished; |
2e0fef85 | 2493 | } |
47a8617c | 2494 | |
2e0fef85 | 2495 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 2496 | goto finished; |
2e0fef85 | 2497 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 2498 | goto finished; |
2e0fef85 | 2499 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 2500 | goto finished; |
2e0fef85 | 2501 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
2502 | goto finished; |
2503 | ||
2504 | stat = 1; | |
47a8617c JS |
2505 | |
2506 | finished: | |
858c9f6c JS |
2507 | spin_unlock_irq(shost->host_lock); |
2508 | return stat; | |
92d7f7b0 | 2509 | } |
47a8617c | 2510 | |
e59058c4 | 2511 | /** |
3621a710 | 2512 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
2513 | * @shost: pointer to SCSI host data structure. |
2514 | * | |
2515 | * This routine initializes a given SCSI host attributes on a FC port. The | |
2516 | * SCSI host can be either on top of a physical port or a virtual port. | |
2517 | **/ | |
92d7f7b0 JS |
2518 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
2519 | { | |
2520 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2521 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2522 | /* |
2e0fef85 | 2523 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
2524 | */ |
2525 | ||
2e0fef85 JS |
2526 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
2527 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
2528 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
2529 | ||
2530 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 2531 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
2532 | fc_host_supported_fc4s(shost)[2] = 1; |
2533 | fc_host_supported_fc4s(shost)[7] = 1; | |
2534 | ||
92d7f7b0 JS |
2535 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
2536 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
2537 | |
2538 | fc_host_supported_speeds(shost) = 0; | |
2539 | if (phba->lmt & LMT_10Gb) | |
2540 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
2541 | if (phba->lmt & LMT_8Gb) |
2542 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
2543 | if (phba->lmt & LMT_4Gb) |
2544 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
2545 | if (phba->lmt & LMT_2Gb) | |
2546 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
2547 | if (phba->lmt & LMT_1Gb) | |
2548 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
2549 | ||
2550 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
2551 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
2552 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
2553 | |
2554 | /* This value is also unchanging */ | |
2555 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 2556 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
2557 | fc_host_active_fc4s(shost)[2] = 1; |
2558 | fc_host_active_fc4s(shost)[7] = 1; | |
2559 | ||
92d7f7b0 | 2560 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 2561 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2562 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 2563 | spin_unlock_irq(shost->host_lock); |
47a8617c | 2564 | } |
dea3101e | 2565 | |
e59058c4 | 2566 | /** |
da0436e9 | 2567 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
2568 | * @phba: pointer to lpfc hba data structure. |
2569 | * | |
da0436e9 JS |
2570 | * This routine is invoked to stop an SLI3 device port, it stops the device |
2571 | * from generating interrupts and stops the device driver's timers for the | |
2572 | * device. | |
e59058c4 | 2573 | **/ |
da0436e9 JS |
2574 | static void |
2575 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 2576 | { |
da0436e9 JS |
2577 | /* Clear all interrupt enable conditions */ |
2578 | writel(0, phba->HCregaddr); | |
2579 | readl(phba->HCregaddr); /* flush */ | |
2580 | /* Clear all pending interrupts */ | |
2581 | writel(0xffffffff, phba->HAregaddr); | |
2582 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 2583 | |
da0436e9 JS |
2584 | /* Reset some HBA SLI setup states */ |
2585 | lpfc_stop_hba_timers(phba); | |
2586 | phba->pport->work_port_events = 0; | |
2587 | } | |
db2378e0 | 2588 | |
da0436e9 JS |
2589 | /** |
2590 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
2591 | * @phba: pointer to lpfc hba data structure. | |
2592 | * | |
2593 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
2594 | * from generating interrupts and stops the device driver's timers for the | |
2595 | * device. | |
2596 | **/ | |
2597 | static void | |
2598 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
2599 | { | |
2600 | /* Reset some HBA SLI4 setup states */ | |
2601 | lpfc_stop_hba_timers(phba); | |
2602 | phba->pport->work_port_events = 0; | |
2603 | phba->sli4_hba.intr_enable = 0; | |
2604 | /* Hard clear it for now, shall have more graceful way to wait later */ | |
2605 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2606 | } | |
9399627f | 2607 | |
da0436e9 JS |
2608 | /** |
2609 | * lpfc_stop_port - Wrapper function for stopping hba port | |
2610 | * @phba: Pointer to HBA context object. | |
2611 | * | |
2612 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
2613 | * the API jump table function pointer from the lpfc_hba struct. | |
2614 | **/ | |
2615 | void | |
2616 | lpfc_stop_port(struct lpfc_hba *phba) | |
2617 | { | |
2618 | phba->lpfc_stop_port(phba); | |
2619 | } | |
db2378e0 | 2620 | |
da0436e9 JS |
2621 | /** |
2622 | * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port. | |
2623 | * @phba: pointer to lpfc hba data structure. | |
2624 | * | |
2625 | * This routine is invoked to remove the driver default fcf record from | |
2626 | * the port. This routine currently acts on FCF Index 0. | |
2627 | * | |
2628 | **/ | |
2629 | void | |
2630 | lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba) | |
2631 | { | |
2632 | int rc = 0; | |
2633 | LPFC_MBOXQ_t *mboxq; | |
2634 | struct lpfc_mbx_del_fcf_tbl_entry *del_fcf_record; | |
2635 | uint32_t mbox_tmo, req_len; | |
2636 | uint32_t shdr_status, shdr_add_status; | |
9399627f | 2637 | |
da0436e9 JS |
2638 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2639 | if (!mboxq) { | |
2640 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2641 | "2020 Failed to allocate mbox for ADD_FCF cmd\n"); | |
2642 | return; | |
db2378e0 | 2643 | } |
9399627f | 2644 | |
da0436e9 JS |
2645 | req_len = sizeof(struct lpfc_mbx_del_fcf_tbl_entry) - |
2646 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
2647 | rc = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
2648 | LPFC_MBOX_OPCODE_FCOE_DELETE_FCF, | |
2649 | req_len, LPFC_SLI4_MBX_EMBED); | |
9399627f | 2650 | /* |
da0436e9 JS |
2651 | * In phase 1, there is a single FCF index, 0. In phase2, the driver |
2652 | * supports multiple FCF indices. | |
9399627f | 2653 | */ |
da0436e9 JS |
2654 | del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry; |
2655 | bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1); | |
2656 | bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record, | |
2657 | phba->fcf.fcf_indx); | |
9399627f | 2658 | |
da0436e9 JS |
2659 | if (!phba->sli4_hba.intr_enable) |
2660 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
2661 | else { | |
2662 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
2663 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
9399627f | 2664 | } |
da0436e9 JS |
2665 | /* The IOCTL status is embedded in the mailbox subheader. */ |
2666 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
2667 | &del_fcf_record->header.cfg_shdr.response); | |
2668 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
2669 | &del_fcf_record->header.cfg_shdr.response); | |
2670 | if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) { | |
2671 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2672 | "2516 DEL FCF of default FCF Index failed " | |
2673 | "mbx status x%x, status x%x add_status x%x\n", | |
2674 | rc, shdr_status, shdr_add_status); | |
9399627f | 2675 | } |
da0436e9 JS |
2676 | if (rc != MBX_TIMEOUT) |
2677 | mempool_free(mboxq, phba->mbox_mem_pool); | |
db2378e0 JS |
2678 | } |
2679 | ||
e59058c4 | 2680 | /** |
da0436e9 | 2681 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 2682 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 2683 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 2684 | * |
da0436e9 JS |
2685 | * This routine is to parse the SLI4 link-attention link fault code and |
2686 | * translate it into the base driver's read link attention mailbox command | |
2687 | * status. | |
2688 | * | |
2689 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 2690 | **/ |
da0436e9 JS |
2691 | static uint16_t |
2692 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
2693 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 2694 | { |
da0436e9 | 2695 | uint16_t latt_fault; |
9399627f | 2696 | |
da0436e9 JS |
2697 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
2698 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
2699 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
2700 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
2701 | latt_fault = 0; | |
2702 | break; | |
2703 | default: | |
2704 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2705 | "0398 Invalid link fault code: x%x\n", | |
2706 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
2707 | latt_fault = MBXERR_ERROR; | |
2708 | break; | |
2709 | } | |
2710 | return latt_fault; | |
db2378e0 JS |
2711 | } |
2712 | ||
5b75da2f | 2713 | /** |
da0436e9 | 2714 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 2715 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 2716 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 2717 | * |
da0436e9 JS |
2718 | * This routine is to parse the SLI4 link attention type and translate it |
2719 | * into the base driver's link attention type coding. | |
5b75da2f | 2720 | * |
da0436e9 JS |
2721 | * Return: Link attention type in terms of base driver's coding. |
2722 | **/ | |
2723 | static uint8_t | |
2724 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
2725 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 2726 | { |
da0436e9 | 2727 | uint8_t att_type; |
5b75da2f | 2728 | |
da0436e9 JS |
2729 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
2730 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
2731 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
2732 | att_type = AT_LINK_DOWN; | |
2733 | break; | |
2734 | case LPFC_ASYNC_LINK_STATUS_UP: | |
2735 | /* Ignore physical link up events - wait for logical link up */ | |
2736 | att_type = AT_RESERVED; | |
2737 | break; | |
2738 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
2739 | att_type = AT_LINK_UP; | |
2740 | break; | |
2741 | default: | |
2742 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2743 | "0399 Invalid link attention type: x%x\n", | |
2744 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
2745 | att_type = AT_RESERVED; | |
2746 | break; | |
5b75da2f | 2747 | } |
da0436e9 | 2748 | return att_type; |
5b75da2f JS |
2749 | } |
2750 | ||
2751 | /** | |
da0436e9 | 2752 | * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed |
5b75da2f | 2753 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 2754 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 2755 | * |
da0436e9 JS |
2756 | * This routine is to parse the SLI4 link-attention link speed and translate |
2757 | * it into the base driver's link-attention link speed coding. | |
2758 | * | |
2759 | * Return: Link-attention link speed in terms of base driver's coding. | |
2760 | **/ | |
2761 | static uint8_t | |
2762 | lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba, | |
2763 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 2764 | { |
da0436e9 JS |
2765 | uint8_t link_speed; |
2766 | ||
2767 | switch (bf_get(lpfc_acqe_link_speed, acqe_link)) { | |
2768 | case LPFC_ASYNC_LINK_SPEED_ZERO: | |
2769 | link_speed = LA_UNKNW_LINK; | |
2770 | break; | |
2771 | case LPFC_ASYNC_LINK_SPEED_10MBPS: | |
2772 | link_speed = LA_UNKNW_LINK; | |
2773 | break; | |
2774 | case LPFC_ASYNC_LINK_SPEED_100MBPS: | |
2775 | link_speed = LA_UNKNW_LINK; | |
2776 | break; | |
2777 | case LPFC_ASYNC_LINK_SPEED_1GBPS: | |
2778 | link_speed = LA_1GHZ_LINK; | |
2779 | break; | |
2780 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
2781 | link_speed = LA_10GHZ_LINK; | |
2782 | break; | |
2783 | default: | |
2784 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2785 | "0483 Invalid link-attention link speed: x%x\n", | |
2786 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
2787 | link_speed = LA_UNKNW_LINK; | |
2788 | break; | |
2789 | } | |
2790 | return link_speed; | |
2791 | } | |
2792 | ||
2793 | /** | |
2794 | * lpfc_sli4_async_link_evt - Process the asynchronous link event | |
2795 | * @phba: pointer to lpfc hba data structure. | |
2796 | * @acqe_link: pointer to the async link completion queue entry. | |
2797 | * | |
2798 | * This routine is to handle the SLI4 asynchronous link event. | |
2799 | **/ | |
2800 | static void | |
2801 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
2802 | struct lpfc_acqe_link *acqe_link) | |
2803 | { | |
2804 | struct lpfc_dmabuf *mp; | |
2805 | LPFC_MBOXQ_t *pmb; | |
2806 | MAILBOX_t *mb; | |
2807 | READ_LA_VAR *la; | |
2808 | uint8_t att_type; | |
2809 | ||
2810 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
2811 | if (att_type != AT_LINK_DOWN && att_type != AT_LINK_UP) | |
2812 | return; | |
2813 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2814 | if (!pmb) { | |
2815 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2816 | "0395 The mboxq allocation failed\n"); | |
2817 | return; | |
2818 | } | |
2819 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
2820 | if (!mp) { | |
2821 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2822 | "0396 The lpfc_dmabuf allocation failed\n"); | |
2823 | goto out_free_pmb; | |
2824 | } | |
2825 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
2826 | if (!mp->virt) { | |
2827 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2828 | "0397 The mbuf allocation failed\n"); | |
2829 | goto out_free_dmabuf; | |
2830 | } | |
2831 | ||
2832 | /* Cleanup any outstanding ELS commands */ | |
2833 | lpfc_els_flush_all_cmd(phba); | |
2834 | ||
2835 | /* Block ELS IOCBs until we have done process link event */ | |
2836 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
2837 | ||
2838 | /* Update link event statistics */ | |
2839 | phba->sli.slistat.link_event++; | |
2840 | ||
2841 | /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */ | |
2842 | lpfc_read_la(phba, pmb, mp); | |
2843 | pmb->vport = phba->pport; | |
2844 | ||
2845 | /* Parse and translate status field */ | |
2846 | mb = &pmb->u.mb; | |
2847 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
2848 | ||
2849 | /* Parse and translate link attention fields */ | |
2850 | la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA; | |
2851 | la->eventTag = acqe_link->event_tag; | |
2852 | la->attType = att_type; | |
2853 | la->UlnkSpeed = lpfc_sli4_parse_latt_link_speed(phba, acqe_link); | |
2854 | ||
2855 | /* Fake the the following irrelvant fields */ | |
2856 | la->topology = TOPOLOGY_PT_PT; | |
2857 | la->granted_AL_PA = 0; | |
2858 | la->il = 0; | |
2859 | la->pb = 0; | |
2860 | la->fa = 0; | |
2861 | la->mm = 0; | |
2862 | ||
2863 | /* Keep the link status for extra SLI4 state machine reference */ | |
2864 | phba->sli4_hba.link_state.speed = | |
2865 | bf_get(lpfc_acqe_link_speed, acqe_link); | |
2866 | phba->sli4_hba.link_state.duplex = | |
2867 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
2868 | phba->sli4_hba.link_state.status = | |
2869 | bf_get(lpfc_acqe_link_status, acqe_link); | |
2870 | phba->sli4_hba.link_state.physical = | |
2871 | bf_get(lpfc_acqe_link_physical, acqe_link); | |
2872 | phba->sli4_hba.link_state.fault = | |
2873 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
2874 | ||
2875 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
2876 | lpfc_mbx_cmpl_read_la(phba, pmb); | |
2877 | ||
5b75da2f | 2878 | return; |
da0436e9 JS |
2879 | |
2880 | out_free_dmabuf: | |
2881 | kfree(mp); | |
2882 | out_free_pmb: | |
2883 | mempool_free(pmb, phba->mbox_mem_pool); | |
2884 | } | |
2885 | ||
2886 | /** | |
2887 | * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event | |
2888 | * @phba: pointer to lpfc hba data structure. | |
2889 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
2890 | * | |
2891 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
2892 | **/ | |
2893 | static void | |
2894 | lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, | |
2895 | struct lpfc_acqe_fcoe *acqe_fcoe) | |
2896 | { | |
2897 | uint8_t event_type = bf_get(lpfc_acqe_fcoe_event_type, acqe_fcoe); | |
2898 | int rc; | |
2899 | ||
2900 | switch (event_type) { | |
2901 | case LPFC_FCOE_EVENT_TYPE_NEW_FCF: | |
2902 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2903 | "2546 New FCF found index 0x%x tag 0x%x \n", | |
2904 | acqe_fcoe->fcf_index, | |
2905 | acqe_fcoe->event_tag); | |
2906 | /* | |
2907 | * If the current FCF is in discovered state, | |
2908 | * do nothing. | |
2909 | */ | |
2910 | spin_lock_irq(&phba->hbalock); | |
2911 | if (phba->fcf.fcf_flag & FCF_DISCOVERED) { | |
2912 | spin_unlock_irq(&phba->hbalock); | |
2913 | break; | |
2914 | } | |
2915 | spin_unlock_irq(&phba->hbalock); | |
2916 | ||
2917 | /* Read the FCF table and re-discover SAN. */ | |
2918 | rc = lpfc_sli4_read_fcf_record(phba, | |
2919 | LPFC_FCOE_FCF_GET_FIRST); | |
2920 | if (rc) | |
2921 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2922 | "2547 Read FCF record failed 0x%x\n", | |
2923 | rc); | |
2924 | break; | |
2925 | ||
2926 | case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL: | |
2927 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2928 | "2548 FCF Table full count 0x%x tag 0x%x \n", | |
2929 | bf_get(lpfc_acqe_fcoe_fcf_count, acqe_fcoe), | |
2930 | acqe_fcoe->event_tag); | |
2931 | break; | |
2932 | ||
2933 | case LPFC_FCOE_EVENT_TYPE_FCF_DEAD: | |
2934 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2935 | "2549 FCF disconnected fron network index 0x%x" | |
2936 | " tag 0x%x \n", acqe_fcoe->fcf_index, | |
2937 | acqe_fcoe->event_tag); | |
2938 | /* If the event is not for currently used fcf do nothing */ | |
2939 | if (phba->fcf.fcf_indx != acqe_fcoe->fcf_index) | |
2940 | break; | |
2941 | /* | |
2942 | * Currently, driver support only one FCF - so treat this as | |
2943 | * a link down. | |
2944 | */ | |
2945 | lpfc_linkdown(phba); | |
2946 | /* Unregister FCF if no devices connected to it */ | |
2947 | lpfc_unregister_unused_fcf(phba); | |
2948 | break; | |
2949 | ||
2950 | default: | |
2951 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2952 | "0288 Unknown FCoE event type 0x%x event tag " | |
2953 | "0x%x\n", event_type, acqe_fcoe->event_tag); | |
2954 | break; | |
2955 | } | |
2956 | } | |
2957 | ||
2958 | /** | |
2959 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
2960 | * @phba: pointer to lpfc hba data structure. | |
2961 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
2962 | * | |
2963 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
2964 | **/ | |
2965 | static void | |
2966 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
2967 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
2968 | { | |
2969 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2970 | "0290 The SLI4 DCBX asynchronous event is not " | |
2971 | "handled yet\n"); | |
2972 | } | |
2973 | ||
2974 | /** | |
2975 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
2976 | * @phba: pointer to lpfc hba data structure. | |
2977 | * | |
2978 | * This routine is invoked by the worker thread to process all the pending | |
2979 | * SLI4 asynchronous events. | |
2980 | **/ | |
2981 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
2982 | { | |
2983 | struct lpfc_cq_event *cq_event; | |
2984 | ||
2985 | /* First, declare the async event has been handled */ | |
2986 | spin_lock_irq(&phba->hbalock); | |
2987 | phba->hba_flag &= ~ASYNC_EVENT; | |
2988 | spin_unlock_irq(&phba->hbalock); | |
2989 | /* Now, handle all the async events */ | |
2990 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
2991 | /* Get the first event from the head of the event queue */ | |
2992 | spin_lock_irq(&phba->hbalock); | |
2993 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
2994 | cq_event, struct lpfc_cq_event, list); | |
2995 | spin_unlock_irq(&phba->hbalock); | |
2996 | /* Process the asynchronous event */ | |
2997 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
2998 | case LPFC_TRAILER_CODE_LINK: | |
2999 | lpfc_sli4_async_link_evt(phba, | |
3000 | &cq_event->cqe.acqe_link); | |
3001 | break; | |
3002 | case LPFC_TRAILER_CODE_FCOE: | |
3003 | lpfc_sli4_async_fcoe_evt(phba, | |
3004 | &cq_event->cqe.acqe_fcoe); | |
3005 | break; | |
3006 | case LPFC_TRAILER_CODE_DCBX: | |
3007 | lpfc_sli4_async_dcbx_evt(phba, | |
3008 | &cq_event->cqe.acqe_dcbx); | |
3009 | break; | |
3010 | default: | |
3011 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3012 | "1804 Invalid asynchrous event code: " | |
3013 | "x%x\n", bf_get(lpfc_trailer_code, | |
3014 | &cq_event->cqe.mcqe_cmpl)); | |
3015 | break; | |
3016 | } | |
3017 | /* Free the completion event processed to the free pool */ | |
3018 | lpfc_sli4_cq_event_release(phba, cq_event); | |
3019 | } | |
3020 | } | |
3021 | ||
3022 | /** | |
3023 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
3024 | * @phba: pointer to lpfc hba data structure. | |
3025 | * @dev_grp: The HBA PCI-Device group number. | |
3026 | * | |
3027 | * This routine is invoked to set up the per HBA PCI-Device group function | |
3028 | * API jump table entries. | |
3029 | * | |
3030 | * Return: 0 if success, otherwise -ENODEV | |
3031 | **/ | |
3032 | int | |
3033 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
3034 | { | |
3035 | int rc; | |
3036 | ||
3037 | /* Set up lpfc PCI-device group */ | |
3038 | phba->pci_dev_grp = dev_grp; | |
3039 | ||
3040 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
3041 | if (dev_grp == LPFC_PCI_DEV_OC) | |
3042 | phba->sli_rev = LPFC_SLI_REV4; | |
3043 | ||
3044 | /* Set up device INIT API function jump table */ | |
3045 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
3046 | if (rc) | |
3047 | return -ENODEV; | |
3048 | /* Set up SCSI API function jump table */ | |
3049 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
3050 | if (rc) | |
3051 | return -ENODEV; | |
3052 | /* Set up SLI API function jump table */ | |
3053 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
3054 | if (rc) | |
3055 | return -ENODEV; | |
3056 | /* Set up MBOX API function jump table */ | |
3057 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
3058 | if (rc) | |
3059 | return -ENODEV; | |
3060 | ||
3061 | return 0; | |
5b75da2f JS |
3062 | } |
3063 | ||
3064 | /** | |
3621a710 | 3065 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
3066 | * @phba: pointer to lpfc hba data structure. |
3067 | * @intr_mode: active interrupt mode adopted. | |
3068 | * | |
3069 | * This routine it invoked to log the currently used active interrupt mode | |
3070 | * to the device. | |
3772a991 JS |
3071 | **/ |
3072 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
3073 | { |
3074 | switch (intr_mode) { | |
3075 | case 0: | |
3076 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3077 | "0470 Enable INTx interrupt mode.\n"); | |
3078 | break; | |
3079 | case 1: | |
3080 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3081 | "0481 Enabled MSI interrupt mode.\n"); | |
3082 | break; | |
3083 | case 2: | |
3084 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3085 | "0480 Enabled MSI-X interrupt mode.\n"); | |
3086 | break; | |
3087 | default: | |
3088 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3089 | "0482 Illegal interrupt mode.\n"); | |
3090 | break; | |
3091 | } | |
3092 | return; | |
3093 | } | |
3094 | ||
5b75da2f | 3095 | /** |
3772a991 | 3096 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
3097 | * @phba: pointer to lpfc hba data structure. |
3098 | * | |
3772a991 JS |
3099 | * This routine is invoked to enable the PCI device that is common to all |
3100 | * PCI devices. | |
5b75da2f JS |
3101 | * |
3102 | * Return codes | |
3772a991 JS |
3103 | * 0 - sucessful |
3104 | * other values - error | |
5b75da2f | 3105 | **/ |
3772a991 JS |
3106 | static int |
3107 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 3108 | { |
3772a991 JS |
3109 | struct pci_dev *pdev; |
3110 | int bars; | |
5b75da2f | 3111 | |
3772a991 JS |
3112 | /* Obtain PCI device reference */ |
3113 | if (!phba->pcidev) | |
3114 | goto out_error; | |
3115 | else | |
3116 | pdev = phba->pcidev; | |
3117 | /* Select PCI BARs */ | |
3118 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
3119 | /* Enable PCI device */ | |
3120 | if (pci_enable_device_mem(pdev)) | |
3121 | goto out_error; | |
3122 | /* Request PCI resource for the device */ | |
3123 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) | |
3124 | goto out_disable_device; | |
3125 | /* Set up device as PCI master and save state for EEH */ | |
3126 | pci_set_master(pdev); | |
3127 | pci_try_set_mwi(pdev); | |
3128 | pci_save_state(pdev); | |
5b75da2f | 3129 | |
3772a991 | 3130 | return 0; |
5b75da2f | 3131 | |
3772a991 JS |
3132 | out_disable_device: |
3133 | pci_disable_device(pdev); | |
3134 | out_error: | |
3135 | return -ENODEV; | |
5b75da2f JS |
3136 | } |
3137 | ||
3138 | /** | |
3772a991 | 3139 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
3140 | * @phba: pointer to lpfc hba data structure. |
3141 | * | |
3772a991 JS |
3142 | * This routine is invoked to disable the PCI device that is common to all |
3143 | * PCI devices. | |
5b75da2f JS |
3144 | **/ |
3145 | static void | |
3772a991 | 3146 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 3147 | { |
3772a991 JS |
3148 | struct pci_dev *pdev; |
3149 | int bars; | |
5b75da2f | 3150 | |
3772a991 JS |
3151 | /* Obtain PCI device reference */ |
3152 | if (!phba->pcidev) | |
3153 | return; | |
3154 | else | |
3155 | pdev = phba->pcidev; | |
3156 | /* Select PCI BARs */ | |
3157 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
3158 | /* Release PCI resource and disable PCI device */ | |
3159 | pci_release_selected_regions(pdev, bars); | |
3160 | pci_disable_device(pdev); | |
3161 | /* Null out PCI private reference to driver */ | |
3162 | pci_set_drvdata(pdev, NULL); | |
5b75da2f JS |
3163 | |
3164 | return; | |
3165 | } | |
3166 | ||
e59058c4 | 3167 | /** |
3772a991 JS |
3168 | * lpfc_reset_hba - Reset a hba |
3169 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 3170 | * |
3772a991 JS |
3171 | * This routine is invoked to reset a hba device. It brings the HBA |
3172 | * offline, performs a board restart, and then brings the board back | |
3173 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
3174 | * on outstanding mailbox commands. | |
e59058c4 | 3175 | **/ |
3772a991 JS |
3176 | void |
3177 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 3178 | { |
3772a991 JS |
3179 | /* If resets are disabled then set error state and return. */ |
3180 | if (!phba->cfg_enable_hba_reset) { | |
3181 | phba->link_state = LPFC_HBA_ERROR; | |
3182 | return; | |
3183 | } | |
3184 | lpfc_offline_prep(phba); | |
3185 | lpfc_offline(phba); | |
3186 | lpfc_sli_brdrestart(phba); | |
3187 | lpfc_online(phba); | |
3188 | lpfc_unblock_mgmt_io(phba); | |
3189 | } | |
dea3101e | 3190 | |
3772a991 JS |
3191 | /** |
3192 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev. | |
3193 | * @phba: pointer to lpfc hba data structure. | |
3194 | * | |
3195 | * This routine is invoked to set up the driver internal resources specific to | |
3196 | * support the SLI-3 HBA device it attached to. | |
3197 | * | |
3198 | * Return codes | |
3199 | * 0 - sucessful | |
3200 | * other values - error | |
3201 | **/ | |
3202 | static int | |
3203 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
3204 | { | |
3205 | struct lpfc_sli *psli; | |
dea3101e | 3206 | |
2e0fef85 | 3207 | /* |
3772a991 | 3208 | * Initialize timers used by driver |
2e0fef85 | 3209 | */ |
dea3101e | 3210 | |
3772a991 | 3211 | /* Heartbeat timer */ |
858c9f6c JS |
3212 | init_timer(&phba->hb_tmofunc); |
3213 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
3214 | phba->hb_tmofunc.data = (unsigned long)phba; | |
3215 | ||
dea3101e | 3216 | psli = &phba->sli; |
3772a991 | 3217 | /* MBOX heartbeat timer */ |
dea3101e JB |
3218 | init_timer(&psli->mbox_tmo); |
3219 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 3220 | psli->mbox_tmo.data = (unsigned long) phba; |
3772a991 | 3221 | /* FCP polling mode timer */ |
875fbdfe JSEC |
3222 | init_timer(&phba->fcp_poll_timer); |
3223 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 3224 | phba->fcp_poll_timer.data = (unsigned long) phba; |
3772a991 | 3225 | /* Fabric block timer */ |
92d7f7b0 JS |
3226 | init_timer(&phba->fabric_block_timer); |
3227 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
3228 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3772a991 | 3229 | /* EA polling mode timer */ |
9399627f JS |
3230 | init_timer(&phba->eratt_poll); |
3231 | phba->eratt_poll.function = lpfc_poll_eratt; | |
3232 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 3233 | |
3772a991 JS |
3234 | /* Host attention work mask setup */ |
3235 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
3236 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 3237 | |
3772a991 JS |
3238 | /* Get all the module params for configuring this host */ |
3239 | lpfc_get_cfgparam(phba); | |
dea3101e | 3240 | /* |
3772a991 JS |
3241 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
3242 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
3243 | * 2 segments are added since the IOCB needs a command and response bde. | |
dea3101e | 3244 | */ |
3772a991 JS |
3245 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
3246 | sizeof(struct fcp_rsp) + | |
3247 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
3248 | ||
3249 | if (phba->cfg_enable_bg) { | |
3250 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
3251 | phba->cfg_sg_dma_buf_size += | |
3252 | phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64); | |
901a920f | 3253 | } |
dea3101e | 3254 | |
3772a991 JS |
3255 | /* Also reinitialize the host templates with new values. */ |
3256 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
3257 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
dea3101e | 3258 | |
3772a991 JS |
3259 | phba->max_vpi = LPFC_MAX_VPI; |
3260 | /* This will be set to correct value after config_port mbox */ | |
3261 | phba->max_vports = 0; | |
dea3101e | 3262 | |
3772a991 JS |
3263 | /* |
3264 | * Initialize the SLI Layer to run with lpfc HBAs. | |
3265 | */ | |
3266 | lpfc_sli_setup(phba); | |
3267 | lpfc_sli_queue_setup(phba); | |
ed957684 | 3268 | |
3772a991 JS |
3269 | /* Allocate device driver memory */ |
3270 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
3271 | return -ENOMEM; | |
51ef4c26 | 3272 | |
3772a991 JS |
3273 | return 0; |
3274 | } | |
ed957684 | 3275 | |
3772a991 JS |
3276 | /** |
3277 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
3278 | * @phba: pointer to lpfc hba data structure. | |
3279 | * | |
3280 | * This routine is invoked to unset the driver internal resources set up | |
3281 | * specific for supporting the SLI-3 HBA device it attached to. | |
3282 | **/ | |
3283 | static void | |
3284 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
3285 | { | |
3286 | /* Free device driver memory allocated */ | |
3287 | lpfc_mem_free_all(phba); | |
3163f725 | 3288 | |
3772a991 JS |
3289 | return; |
3290 | } | |
dea3101e | 3291 | |
3772a991 | 3292 | /** |
da0436e9 | 3293 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
3294 | * @phba: pointer to lpfc hba data structure. |
3295 | * | |
da0436e9 JS |
3296 | * This routine is invoked to set up the driver internal resources specific to |
3297 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
3298 | * |
3299 | * Return codes | |
da0436e9 JS |
3300 | * 0 - sucessful |
3301 | * other values - error | |
3772a991 JS |
3302 | **/ |
3303 | static int | |
da0436e9 | 3304 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 3305 | { |
da0436e9 JS |
3306 | struct lpfc_sli *psli; |
3307 | int rc; | |
3308 | int i, hbq_count; | |
3309 | ||
3310 | /* Before proceed, wait for POST done and device ready */ | |
3311 | rc = lpfc_sli4_post_status_check(phba); | |
3312 | if (rc) | |
3313 | return -ENODEV; | |
3314 | ||
3772a991 | 3315 | /* |
da0436e9 | 3316 | * Initialize timers used by driver |
3772a991 | 3317 | */ |
3772a991 | 3318 | |
da0436e9 JS |
3319 | /* Heartbeat timer */ |
3320 | init_timer(&phba->hb_tmofunc); | |
3321 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
3322 | phba->hb_tmofunc.data = (unsigned long)phba; | |
3772a991 | 3323 | |
da0436e9 JS |
3324 | psli = &phba->sli; |
3325 | /* MBOX heartbeat timer */ | |
3326 | init_timer(&psli->mbox_tmo); | |
3327 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
3328 | psli->mbox_tmo.data = (unsigned long) phba; | |
3329 | /* Fabric block timer */ | |
3330 | init_timer(&phba->fabric_block_timer); | |
3331 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
3332 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3333 | /* EA polling mode timer */ | |
3334 | init_timer(&phba->eratt_poll); | |
3335 | phba->eratt_poll.function = lpfc_poll_eratt; | |
3336 | phba->eratt_poll.data = (unsigned long) phba; | |
3337 | /* | |
3338 | * We need to do a READ_CONFIG mailbox command here before | |
3339 | * calling lpfc_get_cfgparam. For VFs this will report the | |
3340 | * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings. | |
3341 | * All of the resources allocated | |
3342 | * for this Port are tied to these values. | |
3343 | */ | |
3344 | /* Get all the module params for configuring this host */ | |
3345 | lpfc_get_cfgparam(phba); | |
3346 | phba->max_vpi = LPFC_MAX_VPI; | |
3347 | /* This will be set to correct value after the read_config mbox */ | |
3348 | phba->max_vports = 0; | |
3772a991 | 3349 | |
da0436e9 JS |
3350 | /* Program the default value of vlan_id and fc_map */ |
3351 | phba->valid_vlan = 0; | |
3352 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
3353 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
3354 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 3355 | |
da0436e9 JS |
3356 | /* |
3357 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
3358 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
3359 | * 2 segments are added since the IOCB needs a command and response bde. | |
3360 | * To insure that the scsi sgl does not cross a 4k page boundary only | |
3361 | * sgl sizes of 1k, 2k, 4k, and 8k are supported. | |
3362 | * Table of sgl sizes and seg_cnt: | |
3363 | * sgl size, sg_seg_cnt total seg | |
3364 | * 1k 50 52 | |
3365 | * 2k 114 116 | |
3366 | * 4k 242 244 | |
3367 | * 8k 498 500 | |
3368 | * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024 | |
3369 | * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048 | |
3370 | * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096 | |
3371 | * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192 | |
3372 | */ | |
3373 | if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT) | |
3374 | phba->cfg_sg_seg_cnt = 50; | |
3375 | else if (phba->cfg_sg_seg_cnt <= 114) | |
3376 | phba->cfg_sg_seg_cnt = 114; | |
3377 | else if (phba->cfg_sg_seg_cnt <= 242) | |
3378 | phba->cfg_sg_seg_cnt = 242; | |
3379 | else | |
3380 | phba->cfg_sg_seg_cnt = 498; | |
3772a991 | 3381 | |
da0436e9 JS |
3382 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) |
3383 | + sizeof(struct fcp_rsp); | |
3384 | phba->cfg_sg_dma_buf_size += | |
3385 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge)); | |
3772a991 | 3386 | |
da0436e9 JS |
3387 | /* Initialize buffer queue management fields */ |
3388 | hbq_count = lpfc_sli_hbq_count(); | |
3389 | for (i = 0; i < hbq_count; ++i) | |
3390 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
3391 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
3392 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; | |
3393 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 3394 | |
da0436e9 JS |
3395 | /* |
3396 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
3397 | */ | |
3398 | /* Initialize the Abort scsi buffer list used by driver */ | |
3399 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
3400 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
3401 | /* This abort list used by worker thread */ | |
3402 | spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); | |
3772a991 | 3403 | |
da0436e9 JS |
3404 | /* |
3405 | * Initialize dirver internal slow-path work queues | |
3406 | */ | |
3772a991 | 3407 | |
da0436e9 JS |
3408 | /* Driver internel slow-path CQ Event pool */ |
3409 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
3410 | /* Response IOCB work queue list */ | |
3411 | INIT_LIST_HEAD(&phba->sli4_hba.sp_rspiocb_work_queue); | |
3412 | /* Asynchronous event CQ Event work queue list */ | |
3413 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
3414 | /* Fast-path XRI aborted CQ Event work queue list */ | |
3415 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
3416 | /* Slow-path XRI aborted CQ Event work queue list */ | |
3417 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
3418 | /* Receive queue CQ Event work queue list */ | |
3419 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
3420 | ||
3421 | /* Initialize the driver internal SLI layer lists. */ | |
3422 | lpfc_sli_setup(phba); | |
3423 | lpfc_sli_queue_setup(phba); | |
3772a991 | 3424 | |
da0436e9 JS |
3425 | /* Allocate device driver memory */ |
3426 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
3427 | if (rc) | |
3428 | return -ENOMEM; | |
3429 | ||
3430 | /* Create the bootstrap mailbox command */ | |
3431 | rc = lpfc_create_bootstrap_mbox(phba); | |
3432 | if (unlikely(rc)) | |
3433 | goto out_free_mem; | |
3434 | ||
3435 | /* Set up the host's endian order with the device. */ | |
3436 | rc = lpfc_setup_endian_order(phba); | |
3437 | if (unlikely(rc)) | |
3438 | goto out_free_bsmbx; | |
3439 | ||
3440 | /* Set up the hba's configuration parameters. */ | |
3441 | rc = lpfc_sli4_read_config(phba); | |
3442 | if (unlikely(rc)) | |
3443 | goto out_free_bsmbx; | |
3444 | ||
3445 | /* Perform a function reset */ | |
3446 | rc = lpfc_pci_function_reset(phba); | |
3447 | if (unlikely(rc)) | |
3448 | goto out_free_bsmbx; | |
3449 | ||
3450 | /* Create all the SLI4 queues */ | |
3451 | rc = lpfc_sli4_queue_create(phba); | |
3452 | if (rc) | |
3453 | goto out_free_bsmbx; | |
3454 | ||
3455 | /* Create driver internal CQE event pool */ | |
3456 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
3457 | if (rc) | |
3458 | goto out_destroy_queue; | |
3459 | ||
3460 | /* Initialize and populate the iocb list per host */ | |
3461 | rc = lpfc_init_sgl_list(phba); | |
3462 | if (rc) { | |
3463 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3464 | "1400 Failed to initialize sgl list.\n"); | |
3465 | goto out_destroy_cq_event_pool; | |
3466 | } | |
3467 | rc = lpfc_init_active_sgl_array(phba); | |
3468 | if (rc) { | |
3469 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3470 | "1430 Failed to initialize sgl list.\n"); | |
3471 | goto out_free_sgl_list; | |
3472 | } | |
3473 | ||
3474 | rc = lpfc_sli4_init_rpi_hdrs(phba); | |
3475 | if (rc) { | |
3476 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3477 | "1432 Failed to initialize rpi headers.\n"); | |
3478 | goto out_free_active_sgl; | |
3479 | } | |
3480 | ||
3481 | phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * | |
3482 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
3483 | if (!phba->sli4_hba.fcp_eq_hdl) { | |
3484 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3485 | "2572 Failed allocate memory for fast-path " | |
3486 | "per-EQ handle array\n"); | |
3487 | goto out_remove_rpi_hdrs; | |
3488 | } | |
3489 | ||
3490 | phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * | |
3491 | phba->sli4_hba.cfg_eqn), GFP_KERNEL); | |
3492 | if (!phba->sli4_hba.msix_entries) { | |
3493 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3494 | "2573 Failed allocate memory for msi-x " | |
3495 | "interrupt vector entries\n"); | |
3496 | goto out_free_fcp_eq_hdl; | |
3497 | } | |
3498 | ||
3499 | return rc; | |
3500 | ||
3501 | out_free_fcp_eq_hdl: | |
3502 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
3503 | out_remove_rpi_hdrs: | |
3504 | lpfc_sli4_remove_rpi_hdrs(phba); | |
3505 | out_free_active_sgl: | |
3506 | lpfc_free_active_sgl(phba); | |
3507 | out_free_sgl_list: | |
3508 | lpfc_free_sgl_list(phba); | |
3509 | out_destroy_cq_event_pool: | |
3510 | lpfc_sli4_cq_event_pool_destroy(phba); | |
3511 | out_destroy_queue: | |
3512 | lpfc_sli4_queue_destroy(phba); | |
3513 | out_free_bsmbx: | |
3514 | lpfc_destroy_bootstrap_mbox(phba); | |
3515 | out_free_mem: | |
3516 | lpfc_mem_free(phba); | |
3517 | return rc; | |
3518 | } | |
3519 | ||
3520 | /** | |
3521 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
3522 | * @phba: pointer to lpfc hba data structure. | |
3523 | * | |
3524 | * This routine is invoked to unset the driver internal resources set up | |
3525 | * specific for supporting the SLI-4 HBA device it attached to. | |
3526 | **/ | |
3527 | static void | |
3528 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
3529 | { | |
3530 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
3531 | ||
3532 | /* unregister default FCFI from the HBA */ | |
3533 | lpfc_sli4_fcfi_unreg(phba, phba->fcf.fcfi); | |
3534 | ||
3535 | /* Free the default FCR table */ | |
3536 | lpfc_sli_remove_dflt_fcf(phba); | |
3537 | ||
3538 | /* Free memory allocated for msi-x interrupt vector entries */ | |
3539 | kfree(phba->sli4_hba.msix_entries); | |
3540 | ||
3541 | /* Free memory allocated for fast-path work queue handles */ | |
3542 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
3543 | ||
3544 | /* Free the allocated rpi headers. */ | |
3545 | lpfc_sli4_remove_rpi_hdrs(phba); | |
3546 | ||
3547 | /* Free the ELS sgl list */ | |
3548 | lpfc_free_active_sgl(phba); | |
3549 | lpfc_free_sgl_list(phba); | |
3550 | ||
3551 | /* Free the SCSI sgl management array */ | |
3552 | kfree(phba->sli4_hba.lpfc_scsi_psb_array); | |
3553 | ||
3554 | /* Free the SLI4 queues */ | |
3555 | lpfc_sli4_queue_destroy(phba); | |
3556 | ||
3557 | /* Free the completion queue EQ event pool */ | |
3558 | lpfc_sli4_cq_event_release_all(phba); | |
3559 | lpfc_sli4_cq_event_pool_destroy(phba); | |
3560 | ||
3561 | /* Reset SLI4 HBA FCoE function */ | |
3562 | lpfc_pci_function_reset(phba); | |
3563 | ||
3564 | /* Free the bsmbx region. */ | |
3565 | lpfc_destroy_bootstrap_mbox(phba); | |
3566 | ||
3567 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
3568 | lpfc_mem_free_all(phba); | |
3569 | ||
3570 | /* Free the current connect table */ | |
3571 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
3572 | &phba->fcf_conn_rec_list, list) | |
3573 | kfree(conn_entry); | |
3574 | ||
3575 | return; | |
3576 | } | |
3577 | ||
3578 | /** | |
3579 | * lpfc_init_api_table_setup - Set up init api fucntion jump table | |
3580 | * @phba: The hba struct for which this call is being executed. | |
3581 | * @dev_grp: The HBA PCI-Device group number. | |
3582 | * | |
3583 | * This routine sets up the device INIT interface API function jump table | |
3584 | * in @phba struct. | |
3585 | * | |
3586 | * Returns: 0 - success, -ENODEV - failure. | |
3587 | **/ | |
3588 | int | |
3589 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
3590 | { | |
3591 | switch (dev_grp) { | |
3592 | case LPFC_PCI_DEV_LP: | |
3593 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
3594 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
3595 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
3596 | break; | |
3597 | case LPFC_PCI_DEV_OC: | |
3598 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
3599 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
3600 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
3601 | break; | |
3602 | default: | |
3603 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3604 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
3605 | dev_grp); | |
3606 | return -ENODEV; | |
3607 | break; | |
3608 | } | |
3609 | return 0; | |
3610 | } | |
3611 | ||
3612 | /** | |
3613 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. | |
3614 | * @phba: pointer to lpfc hba data structure. | |
3615 | * | |
3616 | * This routine is invoked to set up the driver internal resources before the | |
3617 | * device specific resource setup to support the HBA device it attached to. | |
3618 | * | |
3619 | * Return codes | |
3620 | * 0 - sucessful | |
3621 | * other values - error | |
3622 | **/ | |
3623 | static int | |
3624 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) | |
3625 | { | |
3626 | /* | |
3627 | * Driver resources common to all SLI revisions | |
3628 | */ | |
3629 | atomic_set(&phba->fast_event_count, 0); | |
3630 | spin_lock_init(&phba->hbalock); | |
3631 | ||
3632 | /* Initialize ndlp management spinlock */ | |
3633 | spin_lock_init(&phba->ndlp_lock); | |
3634 | ||
3635 | INIT_LIST_HEAD(&phba->port_list); | |
3636 | INIT_LIST_HEAD(&phba->work_list); | |
3637 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
3638 | ||
3639 | /* Initialize the wait queue head for the kernel thread */ | |
3640 | init_waitqueue_head(&phba->work_waitq); | |
3641 | ||
3642 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
3643 | spin_lock_init(&phba->scsi_buf_list_lock); | |
3644 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); | |
3645 | ||
3646 | /* Initialize the fabric iocb list */ | |
3647 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
3648 | ||
3649 | /* Initialize list to save ELS buffers */ | |
3650 | INIT_LIST_HEAD(&phba->elsbuf); | |
3651 | ||
3652 | /* Initialize FCF connection rec list */ | |
3653 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
3654 | ||
3655 | return 0; | |
3656 | } | |
3657 | ||
3658 | /** | |
3659 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
3660 | * @phba: pointer to lpfc hba data structure. | |
3661 | * | |
3662 | * This routine is invoked to set up the driver internal resources after the | |
3663 | * device specific resource setup to support the HBA device it attached to. | |
3664 | * | |
3665 | * Return codes | |
3666 | * 0 - sucessful | |
3667 | * other values - error | |
3668 | **/ | |
3669 | static int | |
3670 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
3671 | { | |
3672 | int error; | |
3673 | ||
3674 | /* Startup the kernel thread for this host adapter. */ | |
3675 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
3676 | "lpfc_worker_%d", phba->brd_no); | |
3677 | if (IS_ERR(phba->worker_thread)) { | |
3678 | error = PTR_ERR(phba->worker_thread); | |
3679 | return error; | |
3772a991 JS |
3680 | } |
3681 | ||
3682 | return 0; | |
3683 | } | |
3684 | ||
3685 | /** | |
3686 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
3687 | * @phba: pointer to lpfc hba data structure. | |
3688 | * | |
3689 | * This routine is invoked to unset the driver internal resources set up after | |
3690 | * the device specific resource setup for supporting the HBA device it | |
3691 | * attached to. | |
3692 | **/ | |
3693 | static void | |
3694 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
3695 | { | |
3696 | /* Stop kernel worker thread */ | |
3697 | kthread_stop(phba->worker_thread); | |
3698 | } | |
3699 | ||
3700 | /** | |
3701 | * lpfc_free_iocb_list - Free iocb list. | |
3702 | * @phba: pointer to lpfc hba data structure. | |
3703 | * | |
3704 | * This routine is invoked to free the driver's IOCB list and memory. | |
3705 | **/ | |
3706 | static void | |
3707 | lpfc_free_iocb_list(struct lpfc_hba *phba) | |
3708 | { | |
3709 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
3710 | ||
3711 | spin_lock_irq(&phba->hbalock); | |
3712 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
3713 | &phba->lpfc_iocb_list, list) { | |
3714 | list_del(&iocbq_entry->list); | |
3715 | kfree(iocbq_entry); | |
3716 | phba->total_iocbq_bufs--; | |
98c9ea5c | 3717 | } |
3772a991 JS |
3718 | spin_unlock_irq(&phba->hbalock); |
3719 | ||
3720 | return; | |
3721 | } | |
3722 | ||
3723 | /** | |
3724 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
3725 | * @phba: pointer to lpfc hba data structure. | |
3726 | * | |
3727 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
3728 | * list and set up the IOCB tag array accordingly. | |
3729 | * | |
3730 | * Return codes | |
3731 | * 0 - sucessful | |
3732 | * other values - error | |
3733 | **/ | |
3734 | static int | |
3735 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) | |
3736 | { | |
3737 | struct lpfc_iocbq *iocbq_entry = NULL; | |
3738 | uint16_t iotag; | |
3739 | int i; | |
dea3101e JB |
3740 | |
3741 | /* Initialize and populate the iocb list per host. */ | |
3742 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 3743 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 3744 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
3745 | if (iocbq_entry == NULL) { |
3746 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
3747 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 3748 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e JB |
3749 | goto out_free_iocbq; |
3750 | } | |
3751 | ||
604a3e30 JB |
3752 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
3753 | if (iotag == 0) { | |
3772a991 | 3754 | kfree(iocbq_entry); |
604a3e30 | 3755 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 3756 | "Unloading driver.\n", __func__); |
604a3e30 JB |
3757 | goto out_free_iocbq; |
3758 | } | |
3772a991 | 3759 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
3760 | |
3761 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
3762 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
3763 | phba->total_iocbq_bufs++; | |
2e0fef85 | 3764 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3765 | } |
3766 | ||
3772a991 | 3767 | return 0; |
dea3101e | 3768 | |
3772a991 JS |
3769 | out_free_iocbq: |
3770 | lpfc_free_iocb_list(phba); | |
dea3101e | 3771 | |
3772a991 JS |
3772 | return -ENOMEM; |
3773 | } | |
5e9d9b82 | 3774 | |
3772a991 | 3775 | /** |
da0436e9 JS |
3776 | * lpfc_free_sgl_list - Free sgl list. |
3777 | * @phba: pointer to lpfc hba data structure. | |
3772a991 | 3778 | * |
da0436e9 | 3779 | * This routine is invoked to free the driver's sgl list and memory. |
3772a991 | 3780 | **/ |
da0436e9 JS |
3781 | static void |
3782 | lpfc_free_sgl_list(struct lpfc_hba *phba) | |
3772a991 | 3783 | { |
da0436e9 JS |
3784 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
3785 | LIST_HEAD(sglq_list); | |
3786 | int rc = 0; | |
dea3101e | 3787 | |
da0436e9 JS |
3788 | spin_lock_irq(&phba->hbalock); |
3789 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); | |
3790 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 3791 | |
da0436e9 JS |
3792 | list_for_each_entry_safe(sglq_entry, sglq_next, |
3793 | &sglq_list, list) { | |
3794 | list_del(&sglq_entry->list); | |
3795 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
3796 | kfree(sglq_entry); | |
3797 | phba->sli4_hba.total_sglq_bufs--; | |
3798 | } | |
3799 | rc = lpfc_sli4_remove_all_sgl_pages(phba); | |
3800 | if (rc) { | |
3801 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3802 | "2005 Unable to deregister pages from HBA: %x", rc); | |
3772a991 | 3803 | } |
da0436e9 JS |
3804 | kfree(phba->sli4_hba.lpfc_els_sgl_array); |
3805 | } | |
92d7f7b0 | 3806 | |
da0436e9 JS |
3807 | /** |
3808 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
3809 | * @phba: pointer to lpfc hba data structure. | |
3810 | * | |
3811 | * This routine is invoked to allocate the driver's active sgl memory. | |
3812 | * This array will hold the sglq_entry's for active IOs. | |
3813 | **/ | |
3814 | static int | |
3815 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
3816 | { | |
3817 | int size; | |
3818 | size = sizeof(struct lpfc_sglq *); | |
3819 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
3820 | ||
3821 | phba->sli4_hba.lpfc_sglq_active_list = | |
3822 | kzalloc(size, GFP_KERNEL); | |
3823 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
3824 | return -ENOMEM; | |
3825 | return 0; | |
3772a991 JS |
3826 | } |
3827 | ||
3828 | /** | |
da0436e9 | 3829 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
3830 | * @phba: pointer to lpfc hba data structure. |
3831 | * | |
da0436e9 JS |
3832 | * This routine is invoked to walk through the array of active sglq entries |
3833 | * and free all of the resources. | |
3834 | * This is just a place holder for now. | |
3772a991 JS |
3835 | **/ |
3836 | static void | |
da0436e9 | 3837 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 3838 | { |
da0436e9 | 3839 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
3840 | } |
3841 | ||
3842 | /** | |
da0436e9 | 3843 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
3844 | * @phba: pointer to lpfc hba data structure. |
3845 | * | |
da0436e9 JS |
3846 | * This routine is invoked to allocate and initizlize the driver's sgl |
3847 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 JS |
3848 | * |
3849 | * Return codes | |
da0436e9 JS |
3850 | * 0 - sucessful |
3851 | * other values - error | |
3772a991 JS |
3852 | **/ |
3853 | static int | |
da0436e9 | 3854 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 3855 | { |
da0436e9 JS |
3856 | struct lpfc_sglq *sglq_entry = NULL; |
3857 | int i; | |
3858 | int els_xri_cnt; | |
3859 | ||
3860 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
3861 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3862 | "2400 lpfc_init_sgl_list els %d.\n", | |
3863 | els_xri_cnt); | |
3864 | /* Initialize and populate the sglq list per host/VF. */ | |
3865 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); | |
3866 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
3867 | ||
3868 | /* Sanity check on XRI management */ | |
3869 | if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) { | |
3870 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3871 | "2562 No room left for SCSI XRI allocation: " | |
3872 | "max_xri=%d, els_xri=%d\n", | |
3873 | phba->sli4_hba.max_cfg_param.max_xri, | |
3874 | els_xri_cnt); | |
3875 | return -ENOMEM; | |
3876 | } | |
3772a991 | 3877 | |
da0436e9 JS |
3878 | /* Allocate memory for the ELS XRI management array */ |
3879 | phba->sli4_hba.lpfc_els_sgl_array = | |
3880 | kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt), | |
3881 | GFP_KERNEL); | |
0ff10d46 | 3882 | |
da0436e9 JS |
3883 | if (!phba->sli4_hba.lpfc_els_sgl_array) { |
3884 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3885 | "2401 Failed to allocate memory for ELS " | |
3886 | "XRI management array of size %d.\n", | |
3887 | els_xri_cnt); | |
3888 | return -ENOMEM; | |
3889 | } | |
2e0fef85 | 3890 | |
da0436e9 JS |
3891 | /* Keep the SCSI XRI into the XRI management array */ |
3892 | phba->sli4_hba.scsi_xri_max = | |
3893 | phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
3894 | phba->sli4_hba.scsi_xri_cnt = 0; | |
3895 | ||
3896 | phba->sli4_hba.lpfc_scsi_psb_array = | |
3897 | kzalloc((sizeof(struct lpfc_scsi_buf *) * | |
3898 | phba->sli4_hba.scsi_xri_max), GFP_KERNEL); | |
3899 | ||
3900 | if (!phba->sli4_hba.lpfc_scsi_psb_array) { | |
3901 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3902 | "2563 Failed to allocate memory for SCSI " | |
3903 | "XRI management array of size %d.\n", | |
3904 | phba->sli4_hba.scsi_xri_max); | |
3905 | kfree(phba->sli4_hba.lpfc_els_sgl_array); | |
3906 | return -ENOMEM; | |
3907 | } | |
3908 | ||
3909 | for (i = 0; i < els_xri_cnt; i++) { | |
3910 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL); | |
3911 | if (sglq_entry == NULL) { | |
3912 | printk(KERN_ERR "%s: only allocated %d sgls of " | |
3913 | "expected %d count. Unloading driver.\n", | |
3914 | __func__, i, els_xri_cnt); | |
3915 | goto out_free_mem; | |
3916 | } | |
3917 | ||
3918 | sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba); | |
3919 | if (sglq_entry->sli4_xritag == NO_XRI) { | |
3920 | kfree(sglq_entry); | |
3921 | printk(KERN_ERR "%s: failed to allocate XRI.\n" | |
3922 | "Unloading driver.\n", __func__); | |
3923 | goto out_free_mem; | |
3924 | } | |
3925 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
3926 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys); | |
3927 | if (sglq_entry->virt == NULL) { | |
3928 | kfree(sglq_entry); | |
3929 | printk(KERN_ERR "%s: failed to allocate mbuf.\n" | |
3930 | "Unloading driver.\n", __func__); | |
3931 | goto out_free_mem; | |
3932 | } | |
3933 | sglq_entry->sgl = sglq_entry->virt; | |
3934 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
3935 | ||
3936 | /* The list order is used by later block SGL registraton */ | |
3937 | spin_lock_irq(&phba->hbalock); | |
3938 | list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list); | |
3939 | phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry; | |
3940 | phba->sli4_hba.total_sglq_bufs++; | |
3941 | spin_unlock_irq(&phba->hbalock); | |
3942 | } | |
3943 | return 0; | |
3944 | ||
3945 | out_free_mem: | |
3946 | kfree(phba->sli4_hba.lpfc_scsi_psb_array); | |
3947 | lpfc_free_sgl_list(phba); | |
3948 | return -ENOMEM; | |
3949 | } | |
3950 | ||
3951 | /** | |
3952 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
3953 | * @phba: pointer to lpfc hba data structure. | |
3954 | * | |
3955 | * This routine is invoked to post rpi header templates to the | |
3956 | * HBA consistent with the SLI-4 interface spec. This routine | |
3957 | * posts a PAGE_SIZE memory region to the port to hold up to | |
3958 | * PAGE_SIZE modulo 64 rpi context headers. | |
3959 | * No locks are held here because this is an initialization routine | |
3960 | * called only from probe or lpfc_online when interrupts are not | |
3961 | * enabled and the driver is reinitializing the device. | |
3962 | * | |
3963 | * Return codes | |
3964 | * 0 - sucessful | |
3965 | * ENOMEM - No availble memory | |
3966 | * EIO - The mailbox failed to complete successfully. | |
3967 | **/ | |
3968 | int | |
3969 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
3970 | { | |
3971 | int rc = 0; | |
3972 | int longs; | |
3973 | uint16_t rpi_count; | |
3974 | struct lpfc_rpi_hdr *rpi_hdr; | |
3975 | ||
3976 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
3977 | ||
3978 | /* | |
3979 | * Provision an rpi bitmask range for discovery. The total count | |
3980 | * is the difference between max and base + 1. | |
3981 | */ | |
3982 | rpi_count = phba->sli4_hba.max_cfg_param.rpi_base + | |
3983 | phba->sli4_hba.max_cfg_param.max_rpi - 1; | |
3984 | ||
3985 | longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
3986 | phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long), | |
3987 | GFP_KERNEL); | |
3988 | if (!phba->sli4_hba.rpi_bmask) | |
3989 | return -ENOMEM; | |
3990 | ||
3991 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
3992 | if (!rpi_hdr) { | |
3993 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
3994 | "0391 Error during rpi post operation\n"); | |
3995 | lpfc_sli4_remove_rpis(phba); | |
3996 | rc = -ENODEV; | |
3997 | } | |
3998 | ||
3999 | return rc; | |
4000 | } | |
4001 | ||
4002 | /** | |
4003 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
4004 | * @phba: pointer to lpfc hba data structure. | |
4005 | * | |
4006 | * This routine is invoked to allocate a single 4KB memory region to | |
4007 | * support rpis and stores them in the phba. This single region | |
4008 | * provides support for up to 64 rpis. The region is used globally | |
4009 | * by the device. | |
4010 | * | |
4011 | * Returns: | |
4012 | * A valid rpi hdr on success. | |
4013 | * A NULL pointer on any failure. | |
4014 | **/ | |
4015 | struct lpfc_rpi_hdr * | |
4016 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
4017 | { | |
4018 | uint16_t rpi_limit, curr_rpi_range; | |
4019 | struct lpfc_dmabuf *dmabuf; | |
4020 | struct lpfc_rpi_hdr *rpi_hdr; | |
4021 | ||
4022 | rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + | |
4023 | phba->sli4_hba.max_cfg_param.max_rpi - 1; | |
4024 | ||
4025 | spin_lock_irq(&phba->hbalock); | |
4026 | curr_rpi_range = phba->sli4_hba.next_rpi; | |
4027 | spin_unlock_irq(&phba->hbalock); | |
4028 | ||
4029 | /* | |
4030 | * The port has a limited number of rpis. The increment here | |
4031 | * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value | |
4032 | * and to allow the full max_rpi range per port. | |
4033 | */ | |
4034 | if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) | |
4035 | return NULL; | |
4036 | ||
4037 | /* | |
4038 | * First allocate the protocol header region for the port. The | |
4039 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
4040 | */ | |
4041 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4042 | if (!dmabuf) | |
4043 | return NULL; | |
4044 | ||
4045 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
4046 | LPFC_HDR_TEMPLATE_SIZE, | |
4047 | &dmabuf->phys, | |
4048 | GFP_KERNEL); | |
4049 | if (!dmabuf->virt) { | |
4050 | rpi_hdr = NULL; | |
4051 | goto err_free_dmabuf; | |
4052 | } | |
4053 | ||
4054 | memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE); | |
4055 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { | |
4056 | rpi_hdr = NULL; | |
4057 | goto err_free_coherent; | |
4058 | } | |
4059 | ||
4060 | /* Save the rpi header data for cleanup later. */ | |
4061 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
4062 | if (!rpi_hdr) | |
4063 | goto err_free_coherent; | |
4064 | ||
4065 | rpi_hdr->dmabuf = dmabuf; | |
4066 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
4067 | rpi_hdr->page_count = 1; | |
4068 | spin_lock_irq(&phba->hbalock); | |
4069 | rpi_hdr->start_rpi = phba->sli4_hba.next_rpi; | |
4070 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); | |
4071 | ||
4072 | /* | |
4073 | * The next_rpi stores the next module-64 rpi value to post | |
4074 | * in any subsequent rpi memory region postings. | |
4075 | */ | |
4076 | phba->sli4_hba.next_rpi += LPFC_RPI_HDR_COUNT; | |
4077 | spin_unlock_irq(&phba->hbalock); | |
4078 | return rpi_hdr; | |
4079 | ||
4080 | err_free_coherent: | |
4081 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
4082 | dmabuf->virt, dmabuf->phys); | |
4083 | err_free_dmabuf: | |
4084 | kfree(dmabuf); | |
4085 | return NULL; | |
4086 | } | |
4087 | ||
4088 | /** | |
4089 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
4090 | * @phba: pointer to lpfc hba data structure. | |
4091 | * | |
4092 | * This routine is invoked to remove all memory resources allocated | |
4093 | * to support rpis. This routine presumes the caller has released all | |
4094 | * rpis consumed by fabric or port logins and is prepared to have | |
4095 | * the header pages removed. | |
4096 | **/ | |
4097 | void | |
4098 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
4099 | { | |
4100 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
4101 | ||
4102 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, | |
4103 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
4104 | list_del(&rpi_hdr->list); | |
4105 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
4106 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
4107 | kfree(rpi_hdr->dmabuf); | |
4108 | kfree(rpi_hdr); | |
4109 | } | |
4110 | ||
4111 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; | |
4112 | memset(phba->sli4_hba.rpi_bmask, 0, sizeof(*phba->sli4_hba.rpi_bmask)); | |
4113 | } | |
4114 | ||
4115 | /** | |
4116 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
4117 | * @pdev: pointer to pci device data structure. | |
4118 | * | |
4119 | * This routine is invoked to allocate the driver hba data structure for an | |
4120 | * HBA device. If the allocation is successful, the phba reference to the | |
4121 | * PCI device data structure is set. | |
4122 | * | |
4123 | * Return codes | |
4124 | * pointer to @phba - sucessful | |
4125 | * NULL - error | |
4126 | **/ | |
4127 | static struct lpfc_hba * | |
4128 | lpfc_hba_alloc(struct pci_dev *pdev) | |
4129 | { | |
4130 | struct lpfc_hba *phba; | |
4131 | ||
4132 | /* Allocate memory for HBA structure */ | |
4133 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
4134 | if (!phba) { | |
4135 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4136 | "1417 Failed to allocate hba struct.\n"); | |
4137 | return NULL; | |
4138 | } | |
4139 | ||
4140 | /* Set reference to PCI device in HBA structure */ | |
4141 | phba->pcidev = pdev; | |
4142 | ||
4143 | /* Assign an unused board number */ | |
4144 | phba->brd_no = lpfc_get_instance(); | |
4145 | if (phba->brd_no < 0) { | |
4146 | kfree(phba); | |
4147 | return NULL; | |
4148 | } | |
4149 | ||
4150 | return phba; | |
4151 | } | |
4152 | ||
4153 | /** | |
4154 | * lpfc_hba_free - Free driver hba data structure with a device. | |
4155 | * @phba: pointer to lpfc hba data structure. | |
4156 | * | |
4157 | * This routine is invoked to free the driver hba data structure with an | |
4158 | * HBA device. | |
4159 | **/ | |
4160 | static void | |
4161 | lpfc_hba_free(struct lpfc_hba *phba) | |
4162 | { | |
4163 | /* Release the driver assigned board number */ | |
4164 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
4165 | ||
4166 | kfree(phba); | |
4167 | return; | |
4168 | } | |
4169 | ||
4170 | /** | |
4171 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
4172 | * @phba: pointer to lpfc hba data structure. | |
4173 | * | |
4174 | * This routine is invoked to create HBA physical port and associate a SCSI | |
4175 | * host with it. | |
4176 | * | |
4177 | * Return codes | |
4178 | * 0 - sucessful | |
4179 | * other values - error | |
4180 | **/ | |
4181 | static int | |
4182 | lpfc_create_shost(struct lpfc_hba *phba) | |
4183 | { | |
4184 | struct lpfc_vport *vport; | |
4185 | struct Scsi_Host *shost; | |
4186 | ||
4187 | /* Initialize HBA FC structure */ | |
4188 | phba->fc_edtov = FF_DEF_EDTOV; | |
4189 | phba->fc_ratov = FF_DEF_RATOV; | |
4190 | phba->fc_altov = FF_DEF_ALTOV; | |
4191 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
4192 | ||
4193 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); | |
4194 | if (!vport) | |
4195 | return -ENODEV; | |
4196 | ||
4197 | shost = lpfc_shost_from_vport(vport); | |
4198 | phba->pport = vport; | |
4199 | lpfc_debugfs_initialize(vport); | |
4200 | /* Put reference to SCSI host to driver's device private data */ | |
4201 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 4202 | |
3772a991 JS |
4203 | return 0; |
4204 | } | |
db2378e0 | 4205 | |
3772a991 JS |
4206 | /** |
4207 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
4208 | * @phba: pointer to lpfc hba data structure. | |
4209 | * | |
4210 | * This routine is invoked to destroy HBA physical port and the associated | |
4211 | * SCSI host. | |
4212 | **/ | |
4213 | static void | |
4214 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
4215 | { | |
4216 | struct lpfc_vport *vport = phba->pport; | |
4217 | ||
4218 | /* Destroy physical port that associated with the SCSI host */ | |
4219 | destroy_port(vport); | |
4220 | ||
4221 | return; | |
4222 | } | |
4223 | ||
4224 | /** | |
4225 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
4226 | * @phba: pointer to lpfc hba data structure. | |
4227 | * @shost: the shost to be used to detect Block guard settings. | |
4228 | * | |
4229 | * This routine sets up the local Block guard protocol settings for @shost. | |
4230 | * This routine also allocates memory for debugging bg buffers. | |
4231 | **/ | |
4232 | static void | |
4233 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
4234 | { | |
4235 | int pagecnt = 10; | |
4236 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
4237 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4238 | "1478 Registering BlockGuard with the " | |
4239 | "SCSI layer\n"); | |
4240 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
4241 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
4242 | } | |
4243 | if (!_dump_buf_data) { | |
4244 | while (pagecnt) { | |
4245 | spin_lock_init(&_dump_buf_lock); | |
4246 | _dump_buf_data = | |
4247 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
4248 | if (_dump_buf_data) { | |
4249 | printk(KERN_ERR "BLKGRD allocated %d pages for " | |
4250 | "_dump_buf_data at 0x%p\n", | |
4251 | (1 << pagecnt), _dump_buf_data); | |
4252 | _dump_buf_data_order = pagecnt; | |
4253 | memset(_dump_buf_data, 0, | |
4254 | ((1 << PAGE_SHIFT) << pagecnt)); | |
4255 | break; | |
4256 | } else | |
4257 | --pagecnt; | |
4258 | } | |
4259 | if (!_dump_buf_data_order) | |
4260 | printk(KERN_ERR "BLKGRD ERROR unable to allocate " | |
4261 | "memory for hexdump\n"); | |
4262 | } else | |
4263 | printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p" | |
4264 | "\n", _dump_buf_data); | |
4265 | if (!_dump_buf_dif) { | |
4266 | while (pagecnt) { | |
4267 | _dump_buf_dif = | |
4268 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
4269 | if (_dump_buf_dif) { | |
4270 | printk(KERN_ERR "BLKGRD allocated %d pages for " | |
4271 | "_dump_buf_dif at 0x%p\n", | |
4272 | (1 << pagecnt), _dump_buf_dif); | |
4273 | _dump_buf_dif_order = pagecnt; | |
4274 | memset(_dump_buf_dif, 0, | |
4275 | ((1 << PAGE_SHIFT) << pagecnt)); | |
4276 | break; | |
4277 | } else | |
4278 | --pagecnt; | |
4279 | } | |
4280 | if (!_dump_buf_dif_order) | |
4281 | printk(KERN_ERR "BLKGRD ERROR unable to allocate " | |
4282 | "memory for hexdump\n"); | |
4283 | } else | |
4284 | printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n", | |
4285 | _dump_buf_dif); | |
4286 | } | |
4287 | ||
4288 | /** | |
4289 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
4290 | * @phba: pointer to lpfc hba data structure. | |
4291 | * | |
4292 | * This routine is invoked to perform all the necessary post initialization | |
4293 | * setup for the device. | |
4294 | **/ | |
4295 | static void | |
4296 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
4297 | { | |
4298 | struct Scsi_Host *shost; | |
4299 | struct lpfc_adapter_event_header adapter_event; | |
4300 | ||
4301 | /* Get the default values for Model Name and Description */ | |
4302 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
4303 | ||
4304 | /* | |
4305 | * hba setup may have changed the hba_queue_depth so we need to | |
4306 | * adjust the value of can_queue. | |
4307 | */ | |
4308 | shost = pci_get_drvdata(phba->pcidev); | |
4309 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
4310 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
4311 | lpfc_setup_bg(phba, shost); | |
4312 | ||
4313 | lpfc_host_attrib_init(shost); | |
4314 | ||
4315 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
4316 | spin_lock_irq(shost->host_lock); | |
4317 | lpfc_poll_start_timer(phba); | |
4318 | spin_unlock_irq(shost->host_lock); | |
4319 | } | |
4320 | ||
4321 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4322 | "0428 Perform SCSI scan\n"); | |
4323 | /* Send board arrival event to upper layer */ | |
4324 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
4325 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
4326 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
4327 | sizeof(adapter_event), | |
4328 | (char *) &adapter_event, | |
4329 | LPFC_NL_VENDOR_ID); | |
4330 | return; | |
4331 | } | |
4332 | ||
4333 | /** | |
4334 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
4335 | * @phba: pointer to lpfc hba data structure. | |
4336 | * | |
4337 | * This routine is invoked to set up the PCI device memory space for device | |
4338 | * with SLI-3 interface spec. | |
4339 | * | |
4340 | * Return codes | |
4341 | * 0 - sucessful | |
4342 | * other values - error | |
4343 | **/ | |
4344 | static int | |
4345 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
4346 | { | |
4347 | struct pci_dev *pdev; | |
4348 | unsigned long bar0map_len, bar2map_len; | |
4349 | int i, hbq_count; | |
4350 | void *ptr; | |
4351 | int error = -ENODEV; | |
4352 | ||
4353 | /* Obtain PCI device reference */ | |
4354 | if (!phba->pcidev) | |
4355 | return error; | |
4356 | else | |
4357 | pdev = phba->pcidev; | |
4358 | ||
4359 | /* Set the device DMA mask size */ | |
4360 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) | |
4361 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) | |
4362 | return error; | |
4363 | ||
4364 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
4365 | * required by each mapping. | |
4366 | */ | |
4367 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
4368 | bar0map_len = pci_resource_len(pdev, 0); | |
4369 | ||
4370 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
4371 | bar2map_len = pci_resource_len(pdev, 2); | |
4372 | ||
4373 | /* Map HBA SLIM to a kernel virtual address. */ | |
4374 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
4375 | if (!phba->slim_memmap_p) { | |
4376 | dev_printk(KERN_ERR, &pdev->dev, | |
4377 | "ioremap failed for SLIM memory.\n"); | |
4378 | goto out; | |
4379 | } | |
4380 | ||
4381 | /* Map HBA Control Registers to a kernel virtual address. */ | |
4382 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
4383 | if (!phba->ctrl_regs_memmap_p) { | |
4384 | dev_printk(KERN_ERR, &pdev->dev, | |
4385 | "ioremap failed for HBA control registers.\n"); | |
4386 | goto out_iounmap_slim; | |
4387 | } | |
4388 | ||
4389 | /* Allocate memory for SLI-2 structures */ | |
4390 | phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, | |
4391 | SLI2_SLIM_SIZE, | |
4392 | &phba->slim2p.phys, | |
4393 | GFP_KERNEL); | |
4394 | if (!phba->slim2p.virt) | |
4395 | goto out_iounmap; | |
4396 | ||
4397 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); | |
4398 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); | |
4399 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); | |
4400 | phba->IOCBs = (phba->slim2p.virt + | |
4401 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
4402 | ||
4403 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
4404 | lpfc_sli_hbq_size(), | |
4405 | &phba->hbqslimp.phys, | |
4406 | GFP_KERNEL); | |
4407 | if (!phba->hbqslimp.virt) | |
4408 | goto out_free_slim; | |
4409 | ||
4410 | hbq_count = lpfc_sli_hbq_count(); | |
4411 | ptr = phba->hbqslimp.virt; | |
4412 | for (i = 0; i < hbq_count; ++i) { | |
4413 | phba->hbqs[i].hbq_virt = ptr; | |
4414 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
4415 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
4416 | sizeof(struct lpfc_hbq_entry)); | |
4417 | } | |
4418 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
4419 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
4420 | ||
4421 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
4422 | ||
4423 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
4424 | ||
4425 | phba->MBslimaddr = phba->slim_memmap_p; | |
4426 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
4427 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
4428 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
4429 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
4430 | ||
4431 | return 0; | |
4432 | ||
4433 | out_free_slim: | |
4434 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
4435 | phba->slim2p.virt, phba->slim2p.phys); | |
4436 | out_iounmap: | |
4437 | iounmap(phba->ctrl_regs_memmap_p); | |
4438 | out_iounmap_slim: | |
4439 | iounmap(phba->slim_memmap_p); | |
4440 | out: | |
4441 | return error; | |
4442 | } | |
4443 | ||
4444 | /** | |
4445 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
4446 | * @phba: pointer to lpfc hba data structure. | |
4447 | * | |
4448 | * This routine is invoked to unset the PCI device memory space for device | |
4449 | * with SLI-3 interface spec. | |
4450 | **/ | |
4451 | static void | |
4452 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
4453 | { | |
4454 | struct pci_dev *pdev; | |
4455 | ||
4456 | /* Obtain PCI device reference */ | |
4457 | if (!phba->pcidev) | |
4458 | return; | |
4459 | else | |
4460 | pdev = phba->pcidev; | |
4461 | ||
4462 | /* Free coherent DMA memory allocated */ | |
4463 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
4464 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
4465 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
4466 | phba->slim2p.virt, phba->slim2p.phys); | |
4467 | ||
4468 | /* I/O memory unmap */ | |
4469 | iounmap(phba->ctrl_regs_memmap_p); | |
4470 | iounmap(phba->slim_memmap_p); | |
4471 | ||
4472 | return; | |
4473 | } | |
4474 | ||
4475 | /** | |
da0436e9 | 4476 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
4477 | * @phba: pointer to lpfc hba data structure. |
4478 | * | |
da0436e9 JS |
4479 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
4480 | * done and check status. | |
3772a991 | 4481 | * |
da0436e9 | 4482 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 4483 | **/ |
da0436e9 JS |
4484 | int |
4485 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 4486 | { |
da0436e9 JS |
4487 | struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad; |
4488 | uint32_t onlnreg0, onlnreg1; | |
4489 | int i, port_error = -ENODEV; | |
3772a991 | 4490 | |
da0436e9 JS |
4491 | if (!phba->sli4_hba.STAregaddr) |
4492 | return -ENODEV; | |
3772a991 | 4493 | |
da0436e9 JS |
4494 | /* With uncoverable error, log the error message and return error */ |
4495 | onlnreg0 = readl(phba->sli4_hba.ONLINE0regaddr); | |
4496 | onlnreg1 = readl(phba->sli4_hba.ONLINE1regaddr); | |
4497 | if ((onlnreg0 != LPFC_ONLINE_NERR) || (onlnreg1 != LPFC_ONLINE_NERR)) { | |
4498 | uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr); | |
4499 | uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr); | |
4500 | if (uerrlo_reg.word0 || uerrhi_reg.word0) { | |
4501 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4502 | "1422 HBA Unrecoverable error: " | |
4503 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
4504 | "online0_reg=0x%x, online1_reg=0x%x\n", | |
4505 | uerrlo_reg.word0, uerrhi_reg.word0, | |
4506 | onlnreg0, onlnreg1); | |
4507 | } | |
4508 | return -ENODEV; | |
3772a991 | 4509 | } |
3772a991 | 4510 | |
da0436e9 JS |
4511 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
4512 | for (i = 0; i < 3000; i++) { | |
4513 | sta_reg.word0 = readl(phba->sli4_hba.STAregaddr); | |
4514 | /* Encounter fatal POST error, break out */ | |
4515 | if (bf_get(lpfc_hst_state_perr, &sta_reg)) { | |
4516 | port_error = -ENODEV; | |
4517 | break; | |
4518 | } | |
4519 | if (LPFC_POST_STAGE_ARMFW_READY == | |
4520 | bf_get(lpfc_hst_state_port_status, &sta_reg)) { | |
4521 | port_error = 0; | |
4522 | break; | |
4523 | } | |
4524 | msleep(10); | |
3772a991 JS |
4525 | } |
4526 | ||
da0436e9 JS |
4527 | if (port_error) |
4528 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4529 | "1408 Failure HBA POST Status: sta_reg=0x%x, " | |
4530 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, " | |
4531 | "dl=x%x, pstatus=x%x\n", sta_reg.word0, | |
4532 | bf_get(lpfc_hst_state_perr, &sta_reg), | |
4533 | bf_get(lpfc_hst_state_sfi, &sta_reg), | |
4534 | bf_get(lpfc_hst_state_nip, &sta_reg), | |
4535 | bf_get(lpfc_hst_state_ipc, &sta_reg), | |
4536 | bf_get(lpfc_hst_state_xrom, &sta_reg), | |
4537 | bf_get(lpfc_hst_state_dl, &sta_reg), | |
4538 | bf_get(lpfc_hst_state_port_status, &sta_reg)); | |
4539 | ||
4540 | /* Log device information */ | |
4541 | scratchpad.word0 = readl(phba->sli4_hba.SCRATCHPADregaddr); | |
4542 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4543 | "2534 Device Info: ChipType=0x%x, SliRev=0x%x, " | |
4544 | "FeatureL1=0x%x, FeatureL2=0x%x\n", | |
4545 | bf_get(lpfc_scratchpad_chiptype, &scratchpad), | |
4546 | bf_get(lpfc_scratchpad_slirev, &scratchpad), | |
4547 | bf_get(lpfc_scratchpad_featurelevel1, &scratchpad), | |
4548 | bf_get(lpfc_scratchpad_featurelevel2, &scratchpad)); | |
4549 | ||
4550 | return port_error; | |
4551 | } | |
3772a991 | 4552 | |
da0436e9 JS |
4553 | /** |
4554 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
4555 | * @phba: pointer to lpfc hba data structure. | |
4556 | * | |
4557 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
4558 | * memory map. | |
4559 | **/ | |
4560 | static void | |
4561 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba) | |
4562 | { | |
4563 | phba->sli4_hba.UERRLOregaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4564 | LPFC_UERR_STATUS_LO; | |
4565 | phba->sli4_hba.UERRHIregaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4566 | LPFC_UERR_STATUS_HI; | |
4567 | phba->sli4_hba.ONLINE0regaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4568 | LPFC_ONLINE0; | |
4569 | phba->sli4_hba.ONLINE1regaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4570 | LPFC_ONLINE1; | |
4571 | phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4572 | LPFC_SCRATCHPAD; | |
4573 | } | |
3772a991 | 4574 | |
da0436e9 JS |
4575 | /** |
4576 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
4577 | * @phba: pointer to lpfc hba data structure. | |
4578 | * | |
4579 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
4580 | * memory map. | |
4581 | **/ | |
4582 | static void | |
4583 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
4584 | { | |
3772a991 | 4585 | |
da0436e9 JS |
4586 | phba->sli4_hba.STAregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
4587 | LPFC_HST_STATE; | |
4588 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + | |
4589 | LPFC_HST_ISR0; | |
4590 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + | |
4591 | LPFC_HST_IMR0; | |
4592 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + | |
4593 | LPFC_HST_ISCR0; | |
4594 | return; | |
3772a991 JS |
4595 | } |
4596 | ||
4597 | /** | |
da0436e9 | 4598 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 4599 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 4600 | * @vf: virtual function number |
3772a991 | 4601 | * |
da0436e9 JS |
4602 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
4603 | * based on the given viftual function number, @vf. | |
4604 | * | |
4605 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 4606 | **/ |
da0436e9 JS |
4607 | static int |
4608 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 4609 | { |
da0436e9 JS |
4610 | if (vf > LPFC_VIR_FUNC_MAX) |
4611 | return -ENODEV; | |
3772a991 | 4612 | |
da0436e9 JS |
4613 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
4614 | vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL); | |
4615 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4616 | vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL); | |
4617 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4618 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
4619 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4620 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
4621 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4622 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
4623 | return 0; | |
3772a991 JS |
4624 | } |
4625 | ||
4626 | /** | |
da0436e9 | 4627 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
4628 | * @phba: pointer to lpfc hba data structure. |
4629 | * | |
da0436e9 JS |
4630 | * This routine is invoked to create the bootstrap mailbox |
4631 | * region consistent with the SLI-4 interface spec. This | |
4632 | * routine allocates all memory necessary to communicate | |
4633 | * mailbox commands to the port and sets up all alignment | |
4634 | * needs. No locks are expected to be held when calling | |
4635 | * this routine. | |
3772a991 JS |
4636 | * |
4637 | * Return codes | |
4638 | * 0 - sucessful | |
da0436e9 JS |
4639 | * ENOMEM - could not allocated memory. |
4640 | **/ | |
3772a991 | 4641 | static int |
da0436e9 | 4642 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 4643 | { |
da0436e9 JS |
4644 | uint32_t bmbx_size; |
4645 | struct lpfc_dmabuf *dmabuf; | |
4646 | struct dma_address *dma_address; | |
4647 | uint32_t pa_addr; | |
4648 | uint64_t phys_addr; | |
4649 | ||
4650 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4651 | if (!dmabuf) | |
4652 | return -ENOMEM; | |
3772a991 | 4653 | |
da0436e9 JS |
4654 | /* |
4655 | * The bootstrap mailbox region is comprised of 2 parts | |
4656 | * plus an alignment restriction of 16 bytes. | |
4657 | */ | |
4658 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
4659 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
4660 | bmbx_size, | |
4661 | &dmabuf->phys, | |
4662 | GFP_KERNEL); | |
4663 | if (!dmabuf->virt) { | |
4664 | kfree(dmabuf); | |
4665 | return -ENOMEM; | |
3772a991 | 4666 | } |
da0436e9 | 4667 | memset(dmabuf->virt, 0, bmbx_size); |
3772a991 | 4668 | |
da0436e9 JS |
4669 | /* |
4670 | * Initialize the bootstrap mailbox pointers now so that the register | |
4671 | * operations are simple later. The mailbox dma address is required | |
4672 | * to be 16-byte aligned. Also align the virtual memory as each | |
4673 | * maibox is copied into the bmbx mailbox region before issuing the | |
4674 | * command to the port. | |
4675 | */ | |
4676 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
4677 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
4678 | ||
4679 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
4680 | LPFC_ALIGN_16_BYTE); | |
4681 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
4682 | LPFC_ALIGN_16_BYTE); | |
4683 | ||
4684 | /* | |
4685 | * Set the high and low physical addresses now. The SLI4 alignment | |
4686 | * requirement is 16 bytes and the mailbox is posted to the port | |
4687 | * as two 30-bit addresses. The other data is a bit marking whether | |
4688 | * the 30-bit address is the high or low address. | |
4689 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
4690 | * clean on 32 bit machines. | |
4691 | */ | |
4692 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
4693 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
4694 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
4695 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
4696 | LPFC_BMBX_BIT1_ADDR_HI); | |
4697 | ||
4698 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
4699 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
4700 | LPFC_BMBX_BIT1_ADDR_LO); | |
4701 | return 0; | |
3772a991 JS |
4702 | } |
4703 | ||
4704 | /** | |
da0436e9 | 4705 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
4706 | * @phba: pointer to lpfc hba data structure. |
4707 | * | |
da0436e9 JS |
4708 | * This routine is invoked to teardown the bootstrap mailbox |
4709 | * region and release all host resources. This routine requires | |
4710 | * the caller to ensure all mailbox commands recovered, no | |
4711 | * additional mailbox comands are sent, and interrupts are disabled | |
4712 | * before calling this routine. | |
4713 | * | |
4714 | **/ | |
3772a991 | 4715 | static void |
da0436e9 | 4716 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 4717 | { |
da0436e9 JS |
4718 | dma_free_coherent(&phba->pcidev->dev, |
4719 | phba->sli4_hba.bmbx.bmbx_size, | |
4720 | phba->sli4_hba.bmbx.dmabuf->virt, | |
4721 | phba->sli4_hba.bmbx.dmabuf->phys); | |
4722 | ||
4723 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
4724 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
4725 | } |
4726 | ||
4727 | /** | |
da0436e9 | 4728 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
4729 | * @phba: pointer to lpfc hba data structure. |
4730 | * | |
da0436e9 JS |
4731 | * This routine is invoked to read the configuration parameters from the HBA. |
4732 | * The configuration parameters are used to set the base and maximum values | |
4733 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
4734 | * allocation for the port. | |
3772a991 JS |
4735 | * |
4736 | * Return codes | |
da0436e9 JS |
4737 | * 0 - sucessful |
4738 | * ENOMEM - No availble memory | |
4739 | * EIO - The mailbox failed to complete successfully. | |
3772a991 | 4740 | **/ |
da0436e9 JS |
4741 | static int |
4742 | lpfc_sli4_read_config(struct lpfc_hba *phba) | |
3772a991 | 4743 | { |
da0436e9 JS |
4744 | LPFC_MBOXQ_t *pmb; |
4745 | struct lpfc_mbx_read_config *rd_config; | |
4746 | uint32_t rc = 0; | |
3772a991 | 4747 | |
da0436e9 JS |
4748 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4749 | if (!pmb) { | |
4750 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4751 | "2011 Unable to allocate memory for issuing " | |
4752 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
4753 | return -ENOMEM; | |
3772a991 JS |
4754 | } |
4755 | ||
da0436e9 | 4756 | lpfc_read_config(phba, pmb); |
3772a991 | 4757 | |
da0436e9 JS |
4758 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
4759 | if (rc != MBX_SUCCESS) { | |
4760 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4761 | "2012 Mailbox failed , mbxCmd x%x " | |
4762 | "READ_CONFIG, mbxStatus x%x\n", | |
4763 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
4764 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
4765 | rc = -EIO; | |
4766 | } else { | |
4767 | rd_config = &pmb->u.mqe.un.rd_config; | |
4768 | phba->sli4_hba.max_cfg_param.max_xri = | |
4769 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
4770 | phba->sli4_hba.max_cfg_param.xri_base = | |
4771 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
4772 | phba->sli4_hba.max_cfg_param.max_vpi = | |
4773 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
4774 | phba->sli4_hba.max_cfg_param.vpi_base = | |
4775 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
4776 | phba->sli4_hba.max_cfg_param.max_rpi = | |
4777 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
4778 | phba->sli4_hba.max_cfg_param.rpi_base = | |
4779 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
4780 | phba->sli4_hba.max_cfg_param.max_vfi = | |
4781 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
4782 | phba->sli4_hba.max_cfg_param.vfi_base = | |
4783 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
4784 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
4785 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
4786 | phba->sli4_hba.max_cfg_param.fcfi_base = | |
4787 | bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config); | |
4788 | phba->sli4_hba.max_cfg_param.max_eq = | |
4789 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
4790 | phba->sli4_hba.max_cfg_param.max_rq = | |
4791 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
4792 | phba->sli4_hba.max_cfg_param.max_wq = | |
4793 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
4794 | phba->sli4_hba.max_cfg_param.max_cq = | |
4795 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
4796 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
4797 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
4798 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
4799 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
4800 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; | |
4801 | phba->max_vpi = phba->sli4_hba.max_cfg_param.max_vpi; | |
4802 | phba->max_vports = phba->max_vpi; | |
4803 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4804 | "2003 cfg params XRI(B:%d M:%d), " | |
4805 | "VPI(B:%d M:%d) " | |
4806 | "VFI(B:%d M:%d) " | |
4807 | "RPI(B:%d M:%d) " | |
4808 | "FCFI(B:%d M:%d)\n", | |
4809 | phba->sli4_hba.max_cfg_param.xri_base, | |
4810 | phba->sli4_hba.max_cfg_param.max_xri, | |
4811 | phba->sli4_hba.max_cfg_param.vpi_base, | |
4812 | phba->sli4_hba.max_cfg_param.max_vpi, | |
4813 | phba->sli4_hba.max_cfg_param.vfi_base, | |
4814 | phba->sli4_hba.max_cfg_param.max_vfi, | |
4815 | phba->sli4_hba.max_cfg_param.rpi_base, | |
4816 | phba->sli4_hba.max_cfg_param.max_rpi, | |
4817 | phba->sli4_hba.max_cfg_param.fcfi_base, | |
4818 | phba->sli4_hba.max_cfg_param.max_fcfi); | |
3772a991 | 4819 | } |
da0436e9 JS |
4820 | mempool_free(pmb, phba->mbox_mem_pool); |
4821 | ||
4822 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
4823 | if (phba->cfg_hba_queue_depth > (phba->sli4_hba.max_cfg_param.max_xri)) | |
4824 | phba->cfg_hba_queue_depth = | |
4825 | phba->sli4_hba.max_cfg_param.max_xri; | |
4826 | return rc; | |
3772a991 JS |
4827 | } |
4828 | ||
4829 | /** | |
da0436e9 | 4830 | * lpfc_dev_endian_order_setup - Notify the port of the host's endian order. |
3772a991 JS |
4831 | * @phba: pointer to lpfc hba data structure. |
4832 | * | |
da0436e9 JS |
4833 | * This routine is invoked to setup the host-side endian order to the |
4834 | * HBA consistent with the SLI-4 interface spec. | |
4835 | * | |
4836 | * Return codes | |
4837 | * 0 - sucessful | |
4838 | * ENOMEM - No availble memory | |
4839 | * EIO - The mailbox failed to complete successfully. | |
3772a991 | 4840 | **/ |
da0436e9 JS |
4841 | static int |
4842 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 4843 | { |
da0436e9 JS |
4844 | LPFC_MBOXQ_t *mboxq; |
4845 | uint32_t rc = 0; | |
4846 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, | |
4847 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 4848 | |
da0436e9 JS |
4849 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4850 | if (!mboxq) { | |
4851 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4852 | "0492 Unable to allocate memory for issuing " | |
4853 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
4854 | return -ENOMEM; | |
4855 | } | |
3772a991 | 4856 | |
da0436e9 JS |
4857 | /* |
4858 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first two | |
4859 | * words to contain special data values and no other data. | |
4860 | */ | |
4861 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4862 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
4863 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
4864 | if (rc != MBX_SUCCESS) { | |
4865 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4866 | "0493 SLI_CONFIG_SPECIAL mailbox failed with " | |
4867 | "status x%x\n", | |
4868 | rc); | |
4869 | rc = -EIO; | |
4870 | } | |
4871 | ||
4872 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4873 | return rc; | |
3772a991 JS |
4874 | } |
4875 | ||
4876 | /** | |
da0436e9 | 4877 | * lpfc_sli4_queue_create - Create all the SLI4 queues |
3772a991 JS |
4878 | * @phba: pointer to lpfc hba data structure. |
4879 | * | |
da0436e9 JS |
4880 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA |
4881 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
4882 | * count (queue depth) shall be taken from the module parameter. For now, | |
4883 | * we just use some constant number as place holder. | |
4884 | * | |
4885 | * Return codes | |
4886 | * 0 - sucessful | |
4887 | * ENOMEM - No availble memory | |
4888 | * EIO - The mailbox failed to complete successfully. | |
3772a991 | 4889 | **/ |
da0436e9 JS |
4890 | static int |
4891 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
3772a991 | 4892 | { |
da0436e9 JS |
4893 | struct lpfc_queue *qdesc; |
4894 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
4895 | int cfg_fcp_wq_count; | |
4896 | int cfg_fcp_eq_count; | |
3772a991 | 4897 | |
da0436e9 JS |
4898 | /* |
4899 | * Sanity check for confiugred queue parameters against the run-time | |
4900 | * device parameters | |
4901 | */ | |
3772a991 | 4902 | |
da0436e9 JS |
4903 | /* Sanity check on FCP fast-path WQ parameters */ |
4904 | cfg_fcp_wq_count = phba->cfg_fcp_wq_count; | |
4905 | if (cfg_fcp_wq_count > | |
4906 | (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) { | |
4907 | cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq - | |
4908 | LPFC_SP_WQN_DEF; | |
4909 | if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) { | |
4910 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4911 | "2581 Not enough WQs (%d) from " | |
4912 | "the pci function for supporting " | |
4913 | "FCP WQs (%d)\n", | |
4914 | phba->sli4_hba.max_cfg_param.max_wq, | |
4915 | phba->cfg_fcp_wq_count); | |
4916 | goto out_error; | |
4917 | } | |
4918 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4919 | "2582 Not enough WQs (%d) from the pci " | |
4920 | "function for supporting the requested " | |
4921 | "FCP WQs (%d), the actual FCP WQs can " | |
4922 | "be supported: %d\n", | |
4923 | phba->sli4_hba.max_cfg_param.max_wq, | |
4924 | phba->cfg_fcp_wq_count, cfg_fcp_wq_count); | |
4925 | } | |
4926 | /* The actual number of FCP work queues adopted */ | |
4927 | phba->cfg_fcp_wq_count = cfg_fcp_wq_count; | |
4928 | ||
4929 | /* Sanity check on FCP fast-path EQ parameters */ | |
4930 | cfg_fcp_eq_count = phba->cfg_fcp_eq_count; | |
4931 | if (cfg_fcp_eq_count > | |
4932 | (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) { | |
4933 | cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq - | |
4934 | LPFC_SP_EQN_DEF; | |
4935 | if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) { | |
4936 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4937 | "2574 Not enough EQs (%d) from the " | |
4938 | "pci function for supporting FCP " | |
4939 | "EQs (%d)\n", | |
4940 | phba->sli4_hba.max_cfg_param.max_eq, | |
4941 | phba->cfg_fcp_eq_count); | |
4942 | goto out_error; | |
4943 | } | |
4944 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4945 | "2575 Not enough EQs (%d) from the pci " | |
4946 | "function for supporting the requested " | |
4947 | "FCP EQs (%d), the actual FCP EQs can " | |
4948 | "be supported: %d\n", | |
4949 | phba->sli4_hba.max_cfg_param.max_eq, | |
4950 | phba->cfg_fcp_eq_count, cfg_fcp_eq_count); | |
4951 | } | |
4952 | /* It does not make sense to have more EQs than WQs */ | |
4953 | if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) { | |
4954 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4955 | "2593 The number of FCP EQs (%d) is more " | |
4956 | "than the number of FCP WQs (%d), take " | |
4957 | "the number of FCP EQs same as than of " | |
4958 | "WQs (%d)\n", cfg_fcp_eq_count, | |
4959 | phba->cfg_fcp_wq_count, | |
4960 | phba->cfg_fcp_wq_count); | |
4961 | cfg_fcp_eq_count = phba->cfg_fcp_wq_count; | |
4962 | } | |
4963 | /* The actual number of FCP event queues adopted */ | |
4964 | phba->cfg_fcp_eq_count = cfg_fcp_eq_count; | |
4965 | /* The overall number of event queues used */ | |
4966 | phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF; | |
3772a991 | 4967 | |
da0436e9 JS |
4968 | /* |
4969 | * Create Event Queues (EQs) | |
4970 | */ | |
3772a991 | 4971 | |
da0436e9 JS |
4972 | /* Get EQ depth from module parameter, fake the default for now */ |
4973 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
4974 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 4975 | |
da0436e9 JS |
4976 | /* Create slow path event queue */ |
4977 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
4978 | phba->sli4_hba.eq_ecount); | |
4979 | if (!qdesc) { | |
4980 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4981 | "0496 Failed allocate slow-path EQ\n"); | |
4982 | goto out_error; | |
4983 | } | |
4984 | phba->sli4_hba.sp_eq = qdesc; | |
4985 | ||
4986 | /* Create fast-path FCP Event Queue(s) */ | |
4987 | phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) * | |
4988 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
4989 | if (!phba->sli4_hba.fp_eq) { | |
4990 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4991 | "2576 Failed allocate memory for fast-path " | |
4992 | "EQ record array\n"); | |
4993 | goto out_free_sp_eq; | |
4994 | } | |
4995 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
4996 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
4997 | phba->sli4_hba.eq_ecount); | |
4998 | if (!qdesc) { | |
4999 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5000 | "0497 Failed allocate fast-path EQ\n"); | |
5001 | goto out_free_fp_eq; | |
5002 | } | |
5003 | phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc; | |
5004 | } | |
5005 | ||
5006 | /* | |
5007 | * Create Complete Queues (CQs) | |
5008 | */ | |
5009 | ||
5010 | /* Get CQ depth from module parameter, fake the default for now */ | |
5011 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
5012 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
5013 | ||
5014 | /* Create slow-path Mailbox Command Complete Queue */ | |
5015 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5016 | phba->sli4_hba.cq_ecount); | |
5017 | if (!qdesc) { | |
5018 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5019 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
5020 | goto out_free_fp_eq; | |
5021 | } | |
5022 | phba->sli4_hba.mbx_cq = qdesc; | |
5023 | ||
5024 | /* Create slow-path ELS Complete Queue */ | |
5025 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5026 | phba->sli4_hba.cq_ecount); | |
5027 | if (!qdesc) { | |
5028 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5029 | "0501 Failed allocate slow-path ELS CQ\n"); | |
5030 | goto out_free_mbx_cq; | |
5031 | } | |
5032 | phba->sli4_hba.els_cq = qdesc; | |
5033 | ||
5034 | /* Create slow-path Unsolicited Receive Complete Queue */ | |
5035 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5036 | phba->sli4_hba.cq_ecount); | |
5037 | if (!qdesc) { | |
5038 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5039 | "0502 Failed allocate slow-path USOL RX CQ\n"); | |
5040 | goto out_free_els_cq; | |
5041 | } | |
5042 | phba->sli4_hba.rxq_cq = qdesc; | |
5043 | ||
5044 | /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */ | |
5045 | phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) * | |
5046 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
5047 | if (!phba->sli4_hba.fcp_cq) { | |
5048 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5049 | "2577 Failed allocate memory for fast-path " | |
5050 | "CQ record array\n"); | |
5051 | goto out_free_rxq_cq; | |
5052 | } | |
5053 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) { | |
5054 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5055 | phba->sli4_hba.cq_ecount); | |
5056 | if (!qdesc) { | |
5057 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5058 | "0499 Failed allocate fast-path FCP " | |
5059 | "CQ (%d)\n", fcp_cqidx); | |
5060 | goto out_free_fcp_cq; | |
5061 | } | |
5062 | phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc; | |
5063 | } | |
5064 | ||
5065 | /* Create Mailbox Command Queue */ | |
5066 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; | |
5067 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
5068 | ||
5069 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
5070 | phba->sli4_hba.mq_ecount); | |
5071 | if (!qdesc) { | |
5072 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5073 | "0505 Failed allocate slow-path MQ\n"); | |
5074 | goto out_free_fcp_cq; | |
5075 | } | |
5076 | phba->sli4_hba.mbx_wq = qdesc; | |
5077 | ||
5078 | /* | |
5079 | * Create all the Work Queues (WQs) | |
5080 | */ | |
5081 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
5082 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
5083 | ||
5084 | /* Create slow-path ELS Work Queue */ | |
5085 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
5086 | phba->sli4_hba.wq_ecount); | |
5087 | if (!qdesc) { | |
5088 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5089 | "0504 Failed allocate slow-path ELS WQ\n"); | |
5090 | goto out_free_mbx_wq; | |
5091 | } | |
5092 | phba->sli4_hba.els_wq = qdesc; | |
5093 | ||
5094 | /* Create fast-path FCP Work Queue(s) */ | |
5095 | phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) * | |
5096 | phba->cfg_fcp_wq_count), GFP_KERNEL); | |
5097 | if (!phba->sli4_hba.fcp_wq) { | |
5098 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5099 | "2578 Failed allocate memory for fast-path " | |
5100 | "WQ record array\n"); | |
5101 | goto out_free_els_wq; | |
5102 | } | |
5103 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) { | |
5104 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
5105 | phba->sli4_hba.wq_ecount); | |
5106 | if (!qdesc) { | |
5107 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5108 | "0503 Failed allocate fast-path FCP " | |
5109 | "WQ (%d)\n", fcp_wqidx); | |
5110 | goto out_free_fcp_wq; | |
5111 | } | |
5112 | phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc; | |
5113 | } | |
5114 | ||
5115 | /* | |
5116 | * Create Receive Queue (RQ) | |
5117 | */ | |
5118 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
5119 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
5120 | ||
5121 | /* Create Receive Queue for header */ | |
5122 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
5123 | phba->sli4_hba.rq_ecount); | |
5124 | if (!qdesc) { | |
5125 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5126 | "0506 Failed allocate receive HRQ\n"); | |
5127 | goto out_free_fcp_wq; | |
5128 | } | |
5129 | phba->sli4_hba.hdr_rq = qdesc; | |
5130 | ||
5131 | /* Create Receive Queue for data */ | |
5132 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
5133 | phba->sli4_hba.rq_ecount); | |
5134 | if (!qdesc) { | |
5135 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5136 | "0507 Failed allocate receive DRQ\n"); | |
5137 | goto out_free_hdr_rq; | |
5138 | } | |
5139 | phba->sli4_hba.dat_rq = qdesc; | |
5140 | ||
5141 | return 0; | |
5142 | ||
5143 | out_free_hdr_rq: | |
5144 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
5145 | phba->sli4_hba.hdr_rq = NULL; | |
5146 | out_free_fcp_wq: | |
5147 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) { | |
5148 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
5149 | phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL; | |
5150 | } | |
5151 | kfree(phba->sli4_hba.fcp_wq); | |
5152 | out_free_els_wq: | |
5153 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
5154 | phba->sli4_hba.els_wq = NULL; | |
5155 | out_free_mbx_wq: | |
5156 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
5157 | phba->sli4_hba.mbx_wq = NULL; | |
5158 | out_free_fcp_cq: | |
5159 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) { | |
5160 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
5161 | phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL; | |
5162 | } | |
5163 | kfree(phba->sli4_hba.fcp_cq); | |
5164 | out_free_rxq_cq: | |
5165 | lpfc_sli4_queue_free(phba->sli4_hba.rxq_cq); | |
5166 | phba->sli4_hba.rxq_cq = NULL; | |
5167 | out_free_els_cq: | |
5168 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
5169 | phba->sli4_hba.els_cq = NULL; | |
5170 | out_free_mbx_cq: | |
5171 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
5172 | phba->sli4_hba.mbx_cq = NULL; | |
5173 | out_free_fp_eq: | |
5174 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) { | |
5175 | lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]); | |
5176 | phba->sli4_hba.fp_eq[fcp_eqidx] = NULL; | |
5177 | } | |
5178 | kfree(phba->sli4_hba.fp_eq); | |
5179 | out_free_sp_eq: | |
5180 | lpfc_sli4_queue_free(phba->sli4_hba.sp_eq); | |
5181 | phba->sli4_hba.sp_eq = NULL; | |
5182 | out_error: | |
5183 | return -ENOMEM; | |
5184 | } | |
5185 | ||
5186 | /** | |
5187 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
5188 | * @phba: pointer to lpfc hba data structure. | |
5189 | * | |
5190 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
5191 | * operation. | |
5192 | * | |
5193 | * Return codes | |
5194 | * 0 - sucessful | |
5195 | * ENOMEM - No availble memory | |
5196 | * EIO - The mailbox failed to complete successfully. | |
5197 | **/ | |
5198 | static void | |
5199 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) | |
5200 | { | |
5201 | int fcp_qidx; | |
5202 | ||
5203 | /* Release mailbox command work queue */ | |
5204 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
5205 | phba->sli4_hba.mbx_wq = NULL; | |
5206 | ||
5207 | /* Release ELS work queue */ | |
5208 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
5209 | phba->sli4_hba.els_wq = NULL; | |
5210 | ||
5211 | /* Release FCP work queue */ | |
5212 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) | |
5213 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]); | |
5214 | kfree(phba->sli4_hba.fcp_wq); | |
5215 | phba->sli4_hba.fcp_wq = NULL; | |
5216 | ||
5217 | /* Release unsolicited receive queue */ | |
5218 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
5219 | phba->sli4_hba.hdr_rq = NULL; | |
5220 | lpfc_sli4_queue_free(phba->sli4_hba.dat_rq); | |
5221 | phba->sli4_hba.dat_rq = NULL; | |
5222 | ||
5223 | /* Release unsolicited receive complete queue */ | |
5224 | lpfc_sli4_queue_free(phba->sli4_hba.rxq_cq); | |
5225 | phba->sli4_hba.rxq_cq = NULL; | |
5226 | ||
5227 | /* Release ELS complete queue */ | |
5228 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
5229 | phba->sli4_hba.els_cq = NULL; | |
5230 | ||
5231 | /* Release mailbox command complete queue */ | |
5232 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
5233 | phba->sli4_hba.mbx_cq = NULL; | |
5234 | ||
5235 | /* Release FCP response complete queue */ | |
5236 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5237 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]); | |
5238 | kfree(phba->sli4_hba.fcp_cq); | |
5239 | phba->sli4_hba.fcp_cq = NULL; | |
5240 | ||
5241 | /* Release fast-path event queue */ | |
5242 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5243 | lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]); | |
5244 | kfree(phba->sli4_hba.fp_eq); | |
5245 | phba->sli4_hba.fp_eq = NULL; | |
5246 | ||
5247 | /* Release slow-path event queue */ | |
5248 | lpfc_sli4_queue_free(phba->sli4_hba.sp_eq); | |
5249 | phba->sli4_hba.sp_eq = NULL; | |
5250 | ||
5251 | return; | |
5252 | } | |
5253 | ||
5254 | /** | |
5255 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
5256 | * @phba: pointer to lpfc hba data structure. | |
5257 | * | |
5258 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
5259 | * operation. | |
5260 | * | |
5261 | * Return codes | |
5262 | * 0 - sucessful | |
5263 | * ENOMEM - No availble memory | |
5264 | * EIO - The mailbox failed to complete successfully. | |
5265 | **/ | |
5266 | int | |
5267 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
5268 | { | |
5269 | int rc = -ENOMEM; | |
5270 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
5271 | int fcp_cq_index = 0; | |
5272 | ||
5273 | /* | |
5274 | * Set up Event Queues (EQs) | |
5275 | */ | |
5276 | ||
5277 | /* Set up slow-path event queue */ | |
5278 | if (!phba->sli4_hba.sp_eq) { | |
5279 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5280 | "0520 Slow-path EQ not allocated\n"); | |
5281 | goto out_error; | |
5282 | } | |
5283 | rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq, | |
5284 | LPFC_SP_DEF_IMAX); | |
5285 | if (rc) { | |
5286 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5287 | "0521 Failed setup of slow-path EQ: " | |
5288 | "rc = 0x%x\n", rc); | |
5289 | goto out_error; | |
5290 | } | |
5291 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5292 | "2583 Slow-path EQ setup: queue-id=%d\n", | |
5293 | phba->sli4_hba.sp_eq->queue_id); | |
5294 | ||
5295 | /* Set up fast-path event queue */ | |
5296 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
5297 | if (!phba->sli4_hba.fp_eq[fcp_eqidx]) { | |
5298 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5299 | "0522 Fast-path EQ (%d) not " | |
5300 | "allocated\n", fcp_eqidx); | |
5301 | goto out_destroy_fp_eq; | |
5302 | } | |
5303 | rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx], | |
5304 | phba->cfg_fcp_imax); | |
5305 | if (rc) { | |
5306 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5307 | "0523 Failed setup of fast-path EQ " | |
5308 | "(%d), rc = 0x%x\n", fcp_eqidx, rc); | |
5309 | goto out_destroy_fp_eq; | |
5310 | } | |
5311 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5312 | "2584 Fast-path EQ setup: " | |
5313 | "queue[%d]-id=%d\n", fcp_eqidx, | |
5314 | phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id); | |
5315 | } | |
5316 | ||
5317 | /* | |
5318 | * Set up Complete Queues (CQs) | |
5319 | */ | |
5320 | ||
5321 | /* Set up slow-path MBOX Complete Queue as the first CQ */ | |
5322 | if (!phba->sli4_hba.mbx_cq) { | |
5323 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5324 | "0528 Mailbox CQ not allocated\n"); | |
5325 | goto out_destroy_fp_eq; | |
5326 | } | |
5327 | rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq, | |
5328 | LPFC_MCQ, LPFC_MBOX); | |
5329 | if (rc) { | |
5330 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5331 | "0529 Failed setup of slow-path mailbox CQ: " | |
5332 | "rc = 0x%x\n", rc); | |
5333 | goto out_destroy_fp_eq; | |
5334 | } | |
5335 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5336 | "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n", | |
5337 | phba->sli4_hba.mbx_cq->queue_id, | |
5338 | phba->sli4_hba.sp_eq->queue_id); | |
5339 | ||
5340 | /* Set up slow-path ELS Complete Queue */ | |
5341 | if (!phba->sli4_hba.els_cq) { | |
5342 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5343 | "0530 ELS CQ not allocated\n"); | |
5344 | goto out_destroy_mbx_cq; | |
5345 | } | |
5346 | rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq, | |
5347 | LPFC_WCQ, LPFC_ELS); | |
5348 | if (rc) { | |
5349 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5350 | "0531 Failed setup of slow-path ELS CQ: " | |
5351 | "rc = 0x%x\n", rc); | |
5352 | goto out_destroy_mbx_cq; | |
5353 | } | |
5354 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5355 | "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n", | |
5356 | phba->sli4_hba.els_cq->queue_id, | |
5357 | phba->sli4_hba.sp_eq->queue_id); | |
5358 | ||
5359 | /* Set up slow-path Unsolicited Receive Complete Queue */ | |
5360 | if (!phba->sli4_hba.rxq_cq) { | |
5361 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5362 | "0532 USOL RX CQ not allocated\n"); | |
5363 | goto out_destroy_els_cq; | |
5364 | } | |
5365 | rc = lpfc_cq_create(phba, phba->sli4_hba.rxq_cq, phba->sli4_hba.sp_eq, | |
5366 | LPFC_RCQ, LPFC_USOL); | |
5367 | if (rc) { | |
5368 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5369 | "0533 Failed setup of slow-path USOL RX CQ: " | |
5370 | "rc = 0x%x\n", rc); | |
5371 | goto out_destroy_els_cq; | |
5372 | } | |
5373 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5374 | "2587 USL CQ setup: cq-id=%d, parent eq-id=%d\n", | |
5375 | phba->sli4_hba.rxq_cq->queue_id, | |
5376 | phba->sli4_hba.sp_eq->queue_id); | |
5377 | ||
5378 | /* Set up fast-path FCP Response Complete Queue */ | |
5379 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) { | |
5380 | if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) { | |
5381 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5382 | "0526 Fast-path FCP CQ (%d) not " | |
5383 | "allocated\n", fcp_cqidx); | |
5384 | goto out_destroy_fcp_cq; | |
5385 | } | |
5386 | rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx], | |
5387 | phba->sli4_hba.fp_eq[fcp_cqidx], | |
5388 | LPFC_WCQ, LPFC_FCP); | |
5389 | if (rc) { | |
5390 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5391 | "0527 Failed setup of fast-path FCP " | |
5392 | "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc); | |
5393 | goto out_destroy_fcp_cq; | |
5394 | } | |
5395 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5396 | "2588 FCP CQ setup: cq[%d]-id=%d, " | |
5397 | "parent eq[%d]-id=%d\n", | |
5398 | fcp_cqidx, | |
5399 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id, | |
5400 | fcp_cqidx, | |
5401 | phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id); | |
5402 | } | |
5403 | ||
5404 | /* | |
5405 | * Set up all the Work Queues (WQs) | |
5406 | */ | |
5407 | ||
5408 | /* Set up Mailbox Command Queue */ | |
5409 | if (!phba->sli4_hba.mbx_wq) { | |
5410 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5411 | "0538 Slow-path MQ not allocated\n"); | |
5412 | goto out_destroy_fcp_cq; | |
5413 | } | |
5414 | rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq, | |
5415 | phba->sli4_hba.mbx_cq, LPFC_MBOX); | |
5416 | if (rc) { | |
5417 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5418 | "0539 Failed setup of slow-path MQ: " | |
5419 | "rc = 0x%x\n", rc); | |
5420 | goto out_destroy_fcp_cq; | |
5421 | } | |
5422 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5423 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
5424 | phba->sli4_hba.mbx_wq->queue_id, | |
5425 | phba->sli4_hba.mbx_cq->queue_id); | |
5426 | ||
5427 | /* Set up slow-path ELS Work Queue */ | |
5428 | if (!phba->sli4_hba.els_wq) { | |
5429 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5430 | "0536 Slow-path ELS WQ not allocated\n"); | |
5431 | goto out_destroy_mbx_wq; | |
5432 | } | |
5433 | rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq, | |
5434 | phba->sli4_hba.els_cq, LPFC_ELS); | |
5435 | if (rc) { | |
5436 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5437 | "0537 Failed setup of slow-path ELS WQ: " | |
5438 | "rc = 0x%x\n", rc); | |
5439 | goto out_destroy_mbx_wq; | |
5440 | } | |
5441 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5442 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
5443 | phba->sli4_hba.els_wq->queue_id, | |
5444 | phba->sli4_hba.els_cq->queue_id); | |
5445 | ||
5446 | /* Set up fast-path FCP Work Queue */ | |
5447 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) { | |
5448 | if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) { | |
5449 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5450 | "0534 Fast-path FCP WQ (%d) not " | |
5451 | "allocated\n", fcp_wqidx); | |
5452 | goto out_destroy_fcp_wq; | |
5453 | } | |
5454 | rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx], | |
5455 | phba->sli4_hba.fcp_cq[fcp_cq_index], | |
5456 | LPFC_FCP); | |
5457 | if (rc) { | |
5458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5459 | "0535 Failed setup of fast-path FCP " | |
5460 | "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc); | |
5461 | goto out_destroy_fcp_wq; | |
5462 | } | |
5463 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5464 | "2591 FCP WQ setup: wq[%d]-id=%d, " | |
5465 | "parent cq[%d]-id=%d\n", | |
5466 | fcp_wqidx, | |
5467 | phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id, | |
5468 | fcp_cq_index, | |
5469 | phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id); | |
5470 | /* Round robin FCP Work Queue's Completion Queue assignment */ | |
5471 | fcp_cq_index = ((fcp_cq_index + 1) % phba->cfg_fcp_eq_count); | |
5472 | } | |
5473 | ||
5474 | /* | |
5475 | * Create Receive Queue (RQ) | |
5476 | */ | |
5477 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { | |
5478 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5479 | "0540 Receive Queue not allocated\n"); | |
5480 | goto out_destroy_fcp_wq; | |
5481 | } | |
5482 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, | |
5483 | phba->sli4_hba.rxq_cq, LPFC_USOL); | |
5484 | if (rc) { | |
5485 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5486 | "0541 Failed setup of Receive Queue: " | |
5487 | "rc = 0x%x\n", rc); | |
5488 | goto out_destroy_fcp_wq; | |
5489 | } | |
5490 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5491 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
5492 | "parent cq-id=%d\n", | |
5493 | phba->sli4_hba.hdr_rq->queue_id, | |
5494 | phba->sli4_hba.dat_rq->queue_id, | |
5495 | phba->sli4_hba.rxq_cq->queue_id); | |
5496 | return 0; | |
5497 | ||
5498 | out_destroy_fcp_wq: | |
5499 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) | |
5500 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
5501 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
5502 | out_destroy_mbx_wq: | |
5503 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
5504 | out_destroy_fcp_cq: | |
5505 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) | |
5506 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
5507 | lpfc_cq_destroy(phba, phba->sli4_hba.rxq_cq); | |
5508 | out_destroy_els_cq: | |
5509 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
5510 | out_destroy_mbx_cq: | |
5511 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
5512 | out_destroy_fp_eq: | |
5513 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) | |
5514 | lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]); | |
5515 | lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq); | |
5516 | out_error: | |
5517 | return rc; | |
5518 | } | |
5519 | ||
5520 | /** | |
5521 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
5522 | * @phba: pointer to lpfc hba data structure. | |
5523 | * | |
5524 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
5525 | * operation. | |
5526 | * | |
5527 | * Return codes | |
5528 | * 0 - sucessful | |
5529 | * ENOMEM - No availble memory | |
5530 | * EIO - The mailbox failed to complete successfully. | |
5531 | **/ | |
5532 | void | |
5533 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
5534 | { | |
5535 | int fcp_qidx; | |
5536 | ||
5537 | /* Unset mailbox command work queue */ | |
5538 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
5539 | /* Unset ELS work queue */ | |
5540 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
5541 | /* Unset unsolicited receive queue */ | |
5542 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); | |
5543 | /* Unset FCP work queue */ | |
5544 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) | |
5545 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]); | |
5546 | /* Unset mailbox command complete queue */ | |
5547 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
5548 | /* Unset ELS complete queue */ | |
5549 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
5550 | /* Unset unsolicited receive complete queue */ | |
5551 | lpfc_cq_destroy(phba, phba->sli4_hba.rxq_cq); | |
5552 | /* Unset FCP response complete queue */ | |
5553 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5554 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]); | |
5555 | /* Unset fast-path event queue */ | |
5556 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5557 | lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]); | |
5558 | /* Unset slow-path event queue */ | |
5559 | lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq); | |
5560 | } | |
5561 | ||
5562 | /** | |
5563 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
5564 | * @phba: pointer to lpfc hba data structure. | |
5565 | * | |
5566 | * This routine is invoked to allocate and set up a pool of completion queue | |
5567 | * events. The body of the completion queue event is a completion queue entry | |
5568 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
5569 | * the following HBA completion queue events for the worker thread to process: | |
5570 | * - Mailbox asynchronous events | |
5571 | * - Receive queue completion unsolicited events | |
5572 | * Later, this can be used for all the slow-path events. | |
5573 | * | |
5574 | * Return codes | |
5575 | * 0 - sucessful | |
5576 | * -ENOMEM - No availble memory | |
5577 | **/ | |
5578 | static int | |
5579 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
5580 | { | |
5581 | struct lpfc_cq_event *cq_event; | |
5582 | int i; | |
5583 | ||
5584 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
5585 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
5586 | if (!cq_event) | |
5587 | goto out_pool_create_fail; | |
5588 | list_add_tail(&cq_event->list, | |
5589 | &phba->sli4_hba.sp_cqe_event_pool); | |
5590 | } | |
5591 | return 0; | |
5592 | ||
5593 | out_pool_create_fail: | |
5594 | lpfc_sli4_cq_event_pool_destroy(phba); | |
5595 | return -ENOMEM; | |
5596 | } | |
5597 | ||
5598 | /** | |
5599 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
5600 | * @phba: pointer to lpfc hba data structure. | |
5601 | * | |
5602 | * This routine is invoked to free the pool of completion queue events at | |
5603 | * driver unload time. Note that, it is the responsibility of the driver | |
5604 | * cleanup routine to free all the outstanding completion-queue events | |
5605 | * allocated from this pool back into the pool before invoking this routine | |
5606 | * to destroy the pool. | |
5607 | **/ | |
5608 | static void | |
5609 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
5610 | { | |
5611 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
5612 | ||
5613 | list_for_each_entry_safe(cq_event, next_cq_event, | |
5614 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
5615 | list_del(&cq_event->list); | |
5616 | kfree(cq_event); | |
5617 | } | |
5618 | } | |
5619 | ||
5620 | /** | |
5621 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
5622 | * @phba: pointer to lpfc hba data structure. | |
5623 | * | |
5624 | * This routine is the lock free version of the API invoked to allocate a | |
5625 | * completion-queue event from the free pool. | |
5626 | * | |
5627 | * Return: Pointer to the newly allocated completion-queue event if successful | |
5628 | * NULL otherwise. | |
5629 | **/ | |
5630 | struct lpfc_cq_event * | |
5631 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
5632 | { | |
5633 | struct lpfc_cq_event *cq_event = NULL; | |
5634 | ||
5635 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
5636 | struct lpfc_cq_event, list); | |
5637 | return cq_event; | |
5638 | } | |
5639 | ||
5640 | /** | |
5641 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
5642 | * @phba: pointer to lpfc hba data structure. | |
5643 | * | |
5644 | * This routine is the lock version of the API invoked to allocate a | |
5645 | * completion-queue event from the free pool. | |
5646 | * | |
5647 | * Return: Pointer to the newly allocated completion-queue event if successful | |
5648 | * NULL otherwise. | |
5649 | **/ | |
5650 | struct lpfc_cq_event * | |
5651 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
5652 | { | |
5653 | struct lpfc_cq_event *cq_event; | |
5654 | unsigned long iflags; | |
5655 | ||
5656 | spin_lock_irqsave(&phba->hbalock, iflags); | |
5657 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
5658 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
5659 | return cq_event; | |
5660 | } | |
5661 | ||
5662 | /** | |
5663 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
5664 | * @phba: pointer to lpfc hba data structure. | |
5665 | * @cq_event: pointer to the completion queue event to be freed. | |
5666 | * | |
5667 | * This routine is the lock free version of the API invoked to release a | |
5668 | * completion-queue event back into the free pool. | |
5669 | **/ | |
5670 | void | |
5671 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
5672 | struct lpfc_cq_event *cq_event) | |
5673 | { | |
5674 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
5675 | } | |
5676 | ||
5677 | /** | |
5678 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
5679 | * @phba: pointer to lpfc hba data structure. | |
5680 | * @cq_event: pointer to the completion queue event to be freed. | |
5681 | * | |
5682 | * This routine is the lock version of the API invoked to release a | |
5683 | * completion-queue event back into the free pool. | |
5684 | **/ | |
5685 | void | |
5686 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
5687 | struct lpfc_cq_event *cq_event) | |
5688 | { | |
5689 | unsigned long iflags; | |
5690 | spin_lock_irqsave(&phba->hbalock, iflags); | |
5691 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
5692 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
5693 | } | |
5694 | ||
5695 | /** | |
5696 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
5697 | * @phba: pointer to lpfc hba data structure. | |
5698 | * | |
5699 | * This routine is to free all the pending completion-queue events to the | |
5700 | * back into the free pool for device reset. | |
5701 | **/ | |
5702 | static void | |
5703 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
5704 | { | |
5705 | LIST_HEAD(cqelist); | |
5706 | struct lpfc_cq_event *cqe; | |
5707 | unsigned long iflags; | |
5708 | ||
5709 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
5710 | spin_lock_irqsave(&phba->hbalock, iflags); | |
5711 | /* Pending FCP XRI abort events */ | |
5712 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
5713 | &cqelist); | |
5714 | /* Pending ELS XRI abort events */ | |
5715 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
5716 | &cqelist); | |
5717 | /* Pending asynnc events */ | |
5718 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
5719 | &cqelist); | |
5720 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
5721 | ||
5722 | while (!list_empty(&cqelist)) { | |
5723 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
5724 | lpfc_sli4_cq_event_release(phba, cqe); | |
5725 | } | |
5726 | } | |
5727 | ||
5728 | /** | |
5729 | * lpfc_pci_function_reset - Reset pci function. | |
5730 | * @phba: pointer to lpfc hba data structure. | |
5731 | * | |
5732 | * This routine is invoked to request a PCI function reset. It will destroys | |
5733 | * all resources assigned to the PCI function which originates this request. | |
5734 | * | |
5735 | * Return codes | |
5736 | * 0 - sucessful | |
5737 | * ENOMEM - No availble memory | |
5738 | * EIO - The mailbox failed to complete successfully. | |
5739 | **/ | |
5740 | int | |
5741 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
5742 | { | |
5743 | LPFC_MBOXQ_t *mboxq; | |
5744 | uint32_t rc = 0; | |
5745 | uint32_t shdr_status, shdr_add_status; | |
5746 | union lpfc_sli4_cfg_shdr *shdr; | |
5747 | ||
5748 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5749 | if (!mboxq) { | |
5750 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5751 | "0494 Unable to allocate memory for issuing " | |
5752 | "SLI_FUNCTION_RESET mailbox command\n"); | |
5753 | return -ENOMEM; | |
5754 | } | |
5755 | ||
5756 | /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */ | |
5757 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5758 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
5759 | LPFC_SLI4_MBX_EMBED); | |
5760 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5761 | shdr = (union lpfc_sli4_cfg_shdr *) | |
5762 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
5763 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5764 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5765 | if (rc != MBX_TIMEOUT) | |
5766 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5767 | if (shdr_status || shdr_add_status || rc) { | |
5768 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5769 | "0495 SLI_FUNCTION_RESET mailbox failed with " | |
5770 | "status x%x add_status x%x, mbx status x%x\n", | |
5771 | shdr_status, shdr_add_status, rc); | |
5772 | rc = -ENXIO; | |
5773 | } | |
5774 | return rc; | |
5775 | } | |
5776 | ||
5777 | /** | |
5778 | * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands | |
5779 | * @phba: pointer to lpfc hba data structure. | |
5780 | * @cnt: number of nop mailbox commands to send. | |
5781 | * | |
5782 | * This routine is invoked to send a number @cnt of NOP mailbox command and | |
5783 | * wait for each command to complete. | |
5784 | * | |
5785 | * Return: the number of NOP mailbox command completed. | |
5786 | **/ | |
5787 | static int | |
5788 | lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt) | |
5789 | { | |
5790 | LPFC_MBOXQ_t *mboxq; | |
5791 | int length, cmdsent; | |
5792 | uint32_t mbox_tmo; | |
5793 | uint32_t rc = 0; | |
5794 | uint32_t shdr_status, shdr_add_status; | |
5795 | union lpfc_sli4_cfg_shdr *shdr; | |
5796 | ||
5797 | if (cnt == 0) { | |
5798 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5799 | "2518 Requested to send 0 NOP mailbox cmd\n"); | |
5800 | return cnt; | |
5801 | } | |
5802 | ||
5803 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5804 | if (!mboxq) { | |
5805 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5806 | "2519 Unable to allocate memory for issuing " | |
5807 | "NOP mailbox command\n"); | |
5808 | return 0; | |
5809 | } | |
5810 | ||
5811 | /* Set up NOP SLI4_CONFIG mailbox-ioctl command */ | |
5812 | length = (sizeof(struct lpfc_mbx_nop) - | |
5813 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5814 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5815 | LPFC_MBOX_OPCODE_NOP, length, LPFC_SLI4_MBX_EMBED); | |
5816 | ||
5817 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
5818 | for (cmdsent = 0; cmdsent < cnt; cmdsent++) { | |
5819 | if (!phba->sli4_hba.intr_enable) | |
5820 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5821 | else | |
5822 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
5823 | if (rc == MBX_TIMEOUT) | |
5824 | break; | |
5825 | /* Check return status */ | |
5826 | shdr = (union lpfc_sli4_cfg_shdr *) | |
5827 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
5828 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5829 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
5830 | &shdr->response); | |
5831 | if (shdr_status || shdr_add_status || rc) { | |
5832 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5833 | "2520 NOP mailbox command failed " | |
5834 | "status x%x add_status x%x mbx " | |
5835 | "status x%x\n", shdr_status, | |
5836 | shdr_add_status, rc); | |
5837 | break; | |
5838 | } | |
5839 | } | |
5840 | ||
5841 | if (rc != MBX_TIMEOUT) | |
5842 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5843 | ||
5844 | return cmdsent; | |
5845 | } | |
5846 | ||
5847 | /** | |
5848 | * lpfc_sli4_fcfi_unreg - Unregister fcfi to device | |
5849 | * @phba: pointer to lpfc hba data structure. | |
5850 | * @fcfi: fcf index. | |
5851 | * | |
5852 | * This routine is invoked to unregister a FCFI from device. | |
5853 | **/ | |
5854 | void | |
5855 | lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi) | |
5856 | { | |
5857 | LPFC_MBOXQ_t *mbox; | |
5858 | uint32_t mbox_tmo; | |
5859 | int rc; | |
5860 | unsigned long flags; | |
5861 | ||
5862 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5863 | ||
5864 | if (!mbox) | |
5865 | return; | |
5866 | ||
5867 | lpfc_unreg_fcfi(mbox, fcfi); | |
5868 | ||
5869 | if (!phba->sli4_hba.intr_enable) | |
5870 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5871 | else { | |
5872 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
5873 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); | |
5874 | } | |
5875 | if (rc != MBX_TIMEOUT) | |
5876 | mempool_free(mbox, phba->mbox_mem_pool); | |
5877 | if (rc != MBX_SUCCESS) | |
5878 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5879 | "2517 Unregister FCFI command failed " | |
5880 | "status %d, mbxStatus x%x\n", rc, | |
5881 | bf_get(lpfc_mqe_status, &mbox->u.mqe)); | |
5882 | else { | |
5883 | spin_lock_irqsave(&phba->hbalock, flags); | |
5884 | /* Mark the FCFI is no longer registered */ | |
5885 | phba->fcf.fcf_flag &= | |
5886 | ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED); | |
5887 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
5888 | } | |
5889 | } | |
5890 | ||
5891 | /** | |
5892 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
5893 | * @phba: pointer to lpfc hba data structure. | |
5894 | * | |
5895 | * This routine is invoked to set up the PCI device memory space for device | |
5896 | * with SLI-4 interface spec. | |
5897 | * | |
5898 | * Return codes | |
5899 | * 0 - sucessful | |
5900 | * other values - error | |
5901 | **/ | |
5902 | static int | |
5903 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
5904 | { | |
5905 | struct pci_dev *pdev; | |
5906 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
5907 | int error = -ENODEV; | |
5908 | ||
5909 | /* Obtain PCI device reference */ | |
5910 | if (!phba->pcidev) | |
5911 | return error; | |
5912 | else | |
5913 | pdev = phba->pcidev; | |
5914 | ||
5915 | /* Set the device DMA mask size */ | |
5916 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) | |
5917 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) | |
5918 | return error; | |
5919 | ||
5920 | /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the | |
5921 | * number of bytes required by each mapping. They are actually | |
5922 | * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device. | |
5923 | */ | |
5924 | phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0); | |
5925 | bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0); | |
5926 | ||
5927 | phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1); | |
5928 | bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1); | |
5929 | ||
5930 | phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2); | |
5931 | bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2); | |
5932 | ||
5933 | /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */ | |
5934 | phba->sli4_hba.conf_regs_memmap_p = | |
5935 | ioremap(phba->pci_bar0_map, bar0map_len); | |
5936 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
5937 | dev_printk(KERN_ERR, &pdev->dev, | |
5938 | "ioremap failed for SLI4 PCI config registers.\n"); | |
5939 | goto out; | |
5940 | } | |
5941 | ||
5942 | /* Map SLI4 HBA Control Register base to a kernel virtual address. */ | |
5943 | phba->sli4_hba.ctrl_regs_memmap_p = | |
5944 | ioremap(phba->pci_bar1_map, bar1map_len); | |
5945 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { | |
5946 | dev_printk(KERN_ERR, &pdev->dev, | |
5947 | "ioremap failed for SLI4 HBA control registers.\n"); | |
5948 | goto out_iounmap_conf; | |
5949 | } | |
5950 | ||
5951 | /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */ | |
5952 | phba->sli4_hba.drbl_regs_memmap_p = | |
5953 | ioremap(phba->pci_bar2_map, bar2map_len); | |
5954 | if (!phba->sli4_hba.drbl_regs_memmap_p) { | |
5955 | dev_printk(KERN_ERR, &pdev->dev, | |
5956 | "ioremap failed for SLI4 HBA doorbell registers.\n"); | |
5957 | goto out_iounmap_ctrl; | |
5958 | } | |
5959 | ||
5960 | /* Set up BAR0 PCI config space register memory map */ | |
5961 | lpfc_sli4_bar0_register_memmap(phba); | |
5962 | ||
5963 | /* Set up BAR1 register memory map */ | |
5964 | lpfc_sli4_bar1_register_memmap(phba); | |
5965 | ||
5966 | /* Set up BAR2 register memory map */ | |
5967 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); | |
5968 | if (error) | |
5969 | goto out_iounmap_all; | |
5970 | ||
5971 | return 0; | |
5972 | ||
5973 | out_iounmap_all: | |
5974 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
5975 | out_iounmap_ctrl: | |
5976 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
5977 | out_iounmap_conf: | |
5978 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
5979 | out: | |
5980 | return error; | |
5981 | } | |
5982 | ||
5983 | /** | |
5984 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
5985 | * @phba: pointer to lpfc hba data structure. | |
5986 | * | |
5987 | * This routine is invoked to unset the PCI device memory space for device | |
5988 | * with SLI-4 interface spec. | |
5989 | **/ | |
5990 | static void | |
5991 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
5992 | { | |
5993 | struct pci_dev *pdev; | |
5994 | ||
5995 | /* Obtain PCI device reference */ | |
5996 | if (!phba->pcidev) | |
5997 | return; | |
5998 | else | |
5999 | pdev = phba->pcidev; | |
6000 | ||
6001 | /* Free coherent DMA memory allocated */ | |
6002 | ||
6003 | /* Unmap I/O memory space */ | |
6004 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
6005 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
6006 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
6007 | ||
6008 | return; | |
6009 | } | |
6010 | ||
6011 | /** | |
6012 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
6013 | * @phba: pointer to lpfc hba data structure. | |
6014 | * | |
6015 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
6016 | * with SLI-3 interface specs. The kernel function pci_enable_msix() is | |
6017 | * called to enable the MSI-X vectors. Note that pci_enable_msix(), once | |
6018 | * invoked, enables either all or nothing, depending on the current | |
6019 | * availability of PCI vector resources. The device driver is responsible | |
6020 | * for calling the individual request_irq() to register each MSI-X vector | |
6021 | * with a interrupt handler, which is done in this function. Note that | |
6022 | * later when device is unloading, the driver should always call free_irq() | |
6023 | * on all MSI-X vectors it has done request_irq() on before calling | |
6024 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
6025 | * will be left with MSI-X enabled and leaks its vectors. | |
6026 | * | |
6027 | * Return codes | |
6028 | * 0 - sucessful | |
6029 | * other values - error | |
6030 | **/ | |
6031 | static int | |
6032 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
6033 | { | |
6034 | int rc, i; | |
6035 | LPFC_MBOXQ_t *pmb; | |
6036 | ||
6037 | /* Set up MSI-X multi-message vectors */ | |
6038 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
6039 | phba->msix_entries[i].entry = i; | |
6040 | ||
6041 | /* Configure MSI-X capability structure */ | |
6042 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
6043 | ARRAY_SIZE(phba->msix_entries)); | |
6044 | if (rc) { | |
6045 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6046 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
6047 | goto msi_fail_out; | |
6048 | } | |
6049 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
6050 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6051 | "0477 MSI-X entry[%d]: vector=x%x " | |
6052 | "message=%d\n", i, | |
6053 | phba->msix_entries[i].vector, | |
6054 | phba->msix_entries[i].entry); | |
6055 | /* | |
6056 | * Assign MSI-X vectors to interrupt handlers | |
6057 | */ | |
6058 | ||
6059 | /* vector-0 is associated to slow-path handler */ | |
6060 | rc = request_irq(phba->msix_entries[0].vector, | |
6061 | &lpfc_sli_sp_intr_handler, IRQF_SHARED, | |
6062 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
6063 | if (rc) { | |
6064 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6065 | "0421 MSI-X slow-path request_irq failed " | |
6066 | "(%d)\n", rc); | |
6067 | goto msi_fail_out; | |
6068 | } | |
6069 | ||
6070 | /* vector-1 is associated to fast-path handler */ | |
6071 | rc = request_irq(phba->msix_entries[1].vector, | |
6072 | &lpfc_sli_fp_intr_handler, IRQF_SHARED, | |
6073 | LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
6074 | ||
6075 | if (rc) { | |
6076 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6077 | "0429 MSI-X fast-path request_irq failed " | |
6078 | "(%d)\n", rc); | |
6079 | goto irq_fail_out; | |
6080 | } | |
6081 | ||
6082 | /* | |
6083 | * Configure HBA MSI-X attention conditions to messages | |
6084 | */ | |
6085 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6086 | ||
6087 | if (!pmb) { | |
6088 | rc = -ENOMEM; | |
6089 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6090 | "0474 Unable to allocate memory for issuing " | |
6091 | "MBOX_CONFIG_MSI command\n"); | |
6092 | goto mem_fail_out; | |
6093 | } | |
6094 | rc = lpfc_config_msi(phba, pmb); | |
6095 | if (rc) | |
6096 | goto mbx_fail_out; | |
6097 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
6098 | if (rc != MBX_SUCCESS) { | |
6099 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
6100 | "0351 Config MSI mailbox command failed, " | |
6101 | "mbxCmd x%x, mbxStatus x%x\n", | |
6102 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
6103 | goto mbx_fail_out; | |
6104 | } | |
6105 | ||
6106 | /* Free memory allocated for mailbox command */ | |
6107 | mempool_free(pmb, phba->mbox_mem_pool); | |
6108 | return rc; | |
6109 | ||
6110 | mbx_fail_out: | |
6111 | /* Free memory allocated for mailbox command */ | |
6112 | mempool_free(pmb, phba->mbox_mem_pool); | |
6113 | ||
6114 | mem_fail_out: | |
6115 | /* free the irq already requested */ | |
6116 | free_irq(phba->msix_entries[1].vector, phba); | |
6117 | ||
6118 | irq_fail_out: | |
6119 | /* free the irq already requested */ | |
6120 | free_irq(phba->msix_entries[0].vector, phba); | |
6121 | ||
6122 | msi_fail_out: | |
6123 | /* Unconfigure MSI-X capability structure */ | |
6124 | pci_disable_msix(phba->pcidev); | |
6125 | return rc; | |
6126 | } | |
6127 | ||
6128 | /** | |
6129 | * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device. | |
6130 | * @phba: pointer to lpfc hba data structure. | |
6131 | * | |
6132 | * This routine is invoked to release the MSI-X vectors and then disable the | |
6133 | * MSI-X interrupt mode to device with SLI-3 interface spec. | |
6134 | **/ | |
6135 | static void | |
6136 | lpfc_sli_disable_msix(struct lpfc_hba *phba) | |
6137 | { | |
6138 | int i; | |
6139 | ||
6140 | /* Free up MSI-X multi-message vectors */ | |
6141 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
6142 | free_irq(phba->msix_entries[i].vector, phba); | |
6143 | /* Disable MSI-X */ | |
6144 | pci_disable_msix(phba->pcidev); | |
6145 | ||
6146 | return; | |
6147 | } | |
6148 | ||
6149 | /** | |
6150 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
6151 | * @phba: pointer to lpfc hba data structure. | |
6152 | * | |
6153 | * This routine is invoked to enable the MSI interrupt mode to device with | |
6154 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
6155 | * enable the MSI vector. The device driver is responsible for calling the | |
6156 | * request_irq() to register MSI vector with a interrupt the handler, which | |
6157 | * is done in this function. | |
6158 | * | |
6159 | * Return codes | |
6160 | * 0 - sucessful | |
6161 | * other values - error | |
6162 | */ | |
6163 | static int | |
6164 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
6165 | { | |
6166 | int rc; | |
6167 | ||
6168 | rc = pci_enable_msi(phba->pcidev); | |
6169 | if (!rc) | |
6170 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6171 | "0462 PCI enable MSI mode success.\n"); | |
6172 | else { | |
6173 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6174 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
6175 | return rc; | |
6176 | } | |
6177 | ||
6178 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
6179 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6180 | if (rc) { | |
6181 | pci_disable_msi(phba->pcidev); | |
6182 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6183 | "0478 MSI request_irq failed (%d)\n", rc); | |
6184 | } | |
6185 | return rc; | |
6186 | } | |
6187 | ||
6188 | /** | |
6189 | * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device. | |
6190 | * @phba: pointer to lpfc hba data structure. | |
6191 | * | |
6192 | * This routine is invoked to disable the MSI interrupt mode to device with | |
6193 | * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has | |
6194 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
6195 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
6196 | * its vector. | |
6197 | */ | |
6198 | static void | |
6199 | lpfc_sli_disable_msi(struct lpfc_hba *phba) | |
6200 | { | |
6201 | free_irq(phba->pcidev->irq, phba); | |
6202 | pci_disable_msi(phba->pcidev); | |
6203 | return; | |
6204 | } | |
6205 | ||
6206 | /** | |
6207 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
6208 | * @phba: pointer to lpfc hba data structure. | |
6209 | * | |
6210 | * This routine is invoked to enable device interrupt and associate driver's | |
6211 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
6212 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
6213 | * will try to fallback from the configured interrupt mode to an interrupt | |
6214 | * mode which is supported by the platform, kernel, and device in the order | |
6215 | * of: | |
6216 | * MSI-X -> MSI -> IRQ. | |
6217 | * | |
6218 | * Return codes | |
6219 | * 0 - sucessful | |
6220 | * other values - error | |
6221 | **/ | |
6222 | static uint32_t | |
6223 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
6224 | { | |
6225 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
6226 | int retval; | |
6227 | ||
6228 | if (cfg_mode == 2) { | |
6229 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
6230 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
6231 | if (!retval) { | |
6232 | /* Now, try to enable MSI-X interrupt mode */ | |
6233 | retval = lpfc_sli_enable_msix(phba); | |
6234 | if (!retval) { | |
6235 | /* Indicate initialization to MSI-X mode */ | |
6236 | phba->intr_type = MSIX; | |
6237 | intr_mode = 2; | |
6238 | } | |
6239 | } | |
6240 | } | |
6241 | ||
6242 | /* Fallback to MSI if MSI-X initialization failed */ | |
6243 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
6244 | retval = lpfc_sli_enable_msi(phba); | |
6245 | if (!retval) { | |
6246 | /* Indicate initialization to MSI mode */ | |
6247 | phba->intr_type = MSI; | |
6248 | intr_mode = 1; | |
6249 | } | |
6250 | } | |
6251 | ||
6252 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
6253 | if (phba->intr_type == NONE) { | |
6254 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
6255 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6256 | if (!retval) { | |
6257 | /* Indicate initialization to INTx mode */ | |
6258 | phba->intr_type = INTx; | |
6259 | intr_mode = 0; | |
6260 | } | |
6261 | } | |
6262 | return intr_mode; | |
6263 | } | |
6264 | ||
6265 | /** | |
6266 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
6267 | * @phba: pointer to lpfc hba data structure. | |
6268 | * | |
6269 | * This routine is invoked to disable device interrupt and disassociate the | |
6270 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
6271 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
6272 | * release the interrupt vector(s) for the message signaled interrupt. | |
6273 | **/ | |
6274 | static void | |
6275 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
6276 | { | |
6277 | /* Disable the currently initialized interrupt mode */ | |
6278 | if (phba->intr_type == MSIX) | |
6279 | lpfc_sli_disable_msix(phba); | |
6280 | else if (phba->intr_type == MSI) | |
6281 | lpfc_sli_disable_msi(phba); | |
6282 | else if (phba->intr_type == INTx) | |
6283 | free_irq(phba->pcidev->irq, phba); | |
6284 | ||
6285 | /* Reset interrupt management states */ | |
6286 | phba->intr_type = NONE; | |
6287 | phba->sli.slistat.sli_intr = 0; | |
6288 | ||
6289 | return; | |
6290 | } | |
6291 | ||
6292 | /** | |
6293 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
6294 | * @phba: pointer to lpfc hba data structure. | |
6295 | * | |
6296 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
6297 | * with SLI-4 interface spec. The kernel function pci_enable_msix() is called | |
6298 | * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked, | |
6299 | * enables either all or nothing, depending on the current availability of | |
6300 | * PCI vector resources. The device driver is responsible for calling the | |
6301 | * individual request_irq() to register each MSI-X vector with a interrupt | |
6302 | * handler, which is done in this function. Note that later when device is | |
6303 | * unloading, the driver should always call free_irq() on all MSI-X vectors | |
6304 | * it has done request_irq() on before calling pci_disable_msix(). Failure | |
6305 | * to do so results in a BUG_ON() and a device will be left with MSI-X | |
6306 | * enabled and leaks its vectors. | |
6307 | * | |
6308 | * Return codes | |
6309 | * 0 - sucessful | |
6310 | * other values - error | |
6311 | **/ | |
6312 | static int | |
6313 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
6314 | { | |
6315 | int rc, index; | |
6316 | ||
6317 | /* Set up MSI-X multi-message vectors */ | |
6318 | for (index = 0; index < phba->sli4_hba.cfg_eqn; index++) | |
6319 | phba->sli4_hba.msix_entries[index].entry = index; | |
6320 | ||
6321 | /* Configure MSI-X capability structure */ | |
6322 | rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries, | |
6323 | phba->sli4_hba.cfg_eqn); | |
6324 | if (rc) { | |
6325 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6326 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
6327 | goto msi_fail_out; | |
6328 | } | |
6329 | /* Log MSI-X vector assignment */ | |
6330 | for (index = 0; index < phba->sli4_hba.cfg_eqn; index++) | |
6331 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6332 | "0489 MSI-X entry[%d]: vector=x%x " | |
6333 | "message=%d\n", index, | |
6334 | phba->sli4_hba.msix_entries[index].vector, | |
6335 | phba->sli4_hba.msix_entries[index].entry); | |
6336 | /* | |
6337 | * Assign MSI-X vectors to interrupt handlers | |
6338 | */ | |
6339 | ||
6340 | /* The first vector must associated to slow-path handler for MQ */ | |
6341 | rc = request_irq(phba->sli4_hba.msix_entries[0].vector, | |
6342 | &lpfc_sli4_sp_intr_handler, IRQF_SHARED, | |
6343 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
6344 | if (rc) { | |
6345 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6346 | "0485 MSI-X slow-path request_irq failed " | |
6347 | "(%d)\n", rc); | |
6348 | goto msi_fail_out; | |
6349 | } | |
6350 | ||
6351 | /* The rest of the vector(s) are associated to fast-path handler(s) */ | |
6352 | for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) { | |
6353 | phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1; | |
6354 | phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba; | |
6355 | rc = request_irq(phba->sli4_hba.msix_entries[index].vector, | |
6356 | &lpfc_sli4_fp_intr_handler, IRQF_SHARED, | |
6357 | LPFC_FP_DRIVER_HANDLER_NAME, | |
6358 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
6359 | if (rc) { | |
6360 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6361 | "0486 MSI-X fast-path (%d) " | |
6362 | "request_irq failed (%d)\n", index, rc); | |
6363 | goto cfg_fail_out; | |
6364 | } | |
6365 | } | |
6366 | ||
6367 | return rc; | |
6368 | ||
6369 | cfg_fail_out: | |
6370 | /* free the irq already requested */ | |
6371 | for (--index; index >= 1; index--) | |
6372 | free_irq(phba->sli4_hba.msix_entries[index - 1].vector, | |
6373 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
6374 | ||
6375 | /* free the irq already requested */ | |
6376 | free_irq(phba->sli4_hba.msix_entries[0].vector, phba); | |
6377 | ||
6378 | msi_fail_out: | |
6379 | /* Unconfigure MSI-X capability structure */ | |
6380 | pci_disable_msix(phba->pcidev); | |
6381 | return rc; | |
6382 | } | |
6383 | ||
6384 | /** | |
6385 | * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device | |
6386 | * @phba: pointer to lpfc hba data structure. | |
6387 | * | |
6388 | * This routine is invoked to release the MSI-X vectors and then disable the | |
6389 | * MSI-X interrupt mode to device with SLI-4 interface spec. | |
6390 | **/ | |
6391 | static void | |
6392 | lpfc_sli4_disable_msix(struct lpfc_hba *phba) | |
6393 | { | |
6394 | int index; | |
6395 | ||
6396 | /* Free up MSI-X multi-message vectors */ | |
6397 | free_irq(phba->sli4_hba.msix_entries[0].vector, phba); | |
6398 | ||
6399 | for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) | |
6400 | free_irq(phba->sli4_hba.msix_entries[index].vector, | |
6401 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
6402 | /* Disable MSI-X */ | |
6403 | pci_disable_msix(phba->pcidev); | |
6404 | ||
6405 | return; | |
6406 | } | |
6407 | ||
6408 | /** | |
6409 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
6410 | * @phba: pointer to lpfc hba data structure. | |
6411 | * | |
6412 | * This routine is invoked to enable the MSI interrupt mode to device with | |
6413 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
6414 | * to enable the MSI vector. The device driver is responsible for calling | |
6415 | * the request_irq() to register MSI vector with a interrupt the handler, | |
6416 | * which is done in this function. | |
6417 | * | |
6418 | * Return codes | |
6419 | * 0 - sucessful | |
6420 | * other values - error | |
6421 | **/ | |
6422 | static int | |
6423 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
6424 | { | |
6425 | int rc, index; | |
6426 | ||
6427 | rc = pci_enable_msi(phba->pcidev); | |
6428 | if (!rc) | |
6429 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6430 | "0487 PCI enable MSI mode success.\n"); | |
6431 | else { | |
6432 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6433 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
6434 | return rc; | |
6435 | } | |
6436 | ||
6437 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
6438 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6439 | if (rc) { | |
6440 | pci_disable_msi(phba->pcidev); | |
6441 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6442 | "0490 MSI request_irq failed (%d)\n", rc); | |
6443 | } | |
6444 | ||
6445 | for (index = 0; index < phba->cfg_fcp_eq_count; index++) { | |
6446 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
6447 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
6448 | } | |
6449 | ||
6450 | return rc; | |
6451 | } | |
6452 | ||
6453 | /** | |
6454 | * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device | |
6455 | * @phba: pointer to lpfc hba data structure. | |
6456 | * | |
6457 | * This routine is invoked to disable the MSI interrupt mode to device with | |
6458 | * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has | |
6459 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
6460 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
6461 | * its vector. | |
6462 | **/ | |
6463 | static void | |
6464 | lpfc_sli4_disable_msi(struct lpfc_hba *phba) | |
6465 | { | |
6466 | free_irq(phba->pcidev->irq, phba); | |
6467 | pci_disable_msi(phba->pcidev); | |
6468 | return; | |
6469 | } | |
6470 | ||
6471 | /** | |
6472 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
6473 | * @phba: pointer to lpfc hba data structure. | |
6474 | * | |
6475 | * This routine is invoked to enable device interrupt and associate driver's | |
6476 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
6477 | * interface spec. Depends on the interrupt mode configured to the driver, | |
6478 | * the driver will try to fallback from the configured interrupt mode to an | |
6479 | * interrupt mode which is supported by the platform, kernel, and device in | |
6480 | * the order of: | |
6481 | * MSI-X -> MSI -> IRQ. | |
6482 | * | |
6483 | * Return codes | |
6484 | * 0 - sucessful | |
6485 | * other values - error | |
6486 | **/ | |
6487 | static uint32_t | |
6488 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
6489 | { | |
6490 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
6491 | int retval, index; | |
6492 | ||
6493 | if (cfg_mode == 2) { | |
6494 | /* Preparation before conf_msi mbox cmd */ | |
6495 | retval = 0; | |
6496 | if (!retval) { | |
6497 | /* Now, try to enable MSI-X interrupt mode */ | |
6498 | retval = lpfc_sli4_enable_msix(phba); | |
6499 | if (!retval) { | |
6500 | /* Indicate initialization to MSI-X mode */ | |
6501 | phba->intr_type = MSIX; | |
6502 | intr_mode = 2; | |
6503 | } | |
6504 | } | |
6505 | } | |
6506 | ||
6507 | /* Fallback to MSI if MSI-X initialization failed */ | |
6508 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
6509 | retval = lpfc_sli4_enable_msi(phba); | |
6510 | if (!retval) { | |
6511 | /* Indicate initialization to MSI mode */ | |
6512 | phba->intr_type = MSI; | |
6513 | intr_mode = 1; | |
6514 | } | |
6515 | } | |
6516 | ||
6517 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
6518 | if (phba->intr_type == NONE) { | |
6519 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
6520 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6521 | if (!retval) { | |
6522 | /* Indicate initialization to INTx mode */ | |
6523 | phba->intr_type = INTx; | |
6524 | intr_mode = 0; | |
6525 | for (index = 0; index < phba->cfg_fcp_eq_count; | |
6526 | index++) { | |
6527 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
6528 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
6529 | } | |
6530 | } | |
6531 | } | |
6532 | return intr_mode; | |
6533 | } | |
6534 | ||
6535 | /** | |
6536 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
6537 | * @phba: pointer to lpfc hba data structure. | |
6538 | * | |
6539 | * This routine is invoked to disable device interrupt and disassociate | |
6540 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
6541 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
6542 | * will release the interrupt vector(s) for the message signaled interrupt. | |
6543 | **/ | |
6544 | static void | |
6545 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
6546 | { | |
6547 | /* Disable the currently initialized interrupt mode */ | |
6548 | if (phba->intr_type == MSIX) | |
6549 | lpfc_sli4_disable_msix(phba); | |
6550 | else if (phba->intr_type == MSI) | |
6551 | lpfc_sli4_disable_msi(phba); | |
6552 | else if (phba->intr_type == INTx) | |
6553 | free_irq(phba->pcidev->irq, phba); | |
6554 | ||
6555 | /* Reset interrupt management states */ | |
6556 | phba->intr_type = NONE; | |
6557 | phba->sli.slistat.sli_intr = 0; | |
6558 | ||
6559 | return; | |
6560 | } | |
6561 | ||
6562 | /** | |
6563 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
6564 | * @phba: pointer to lpfc hba data structure. | |
6565 | * | |
6566 | * This routine is invoked to unset the HBA device initialization steps to | |
6567 | * a device with SLI-3 interface spec. | |
6568 | **/ | |
6569 | static void | |
6570 | lpfc_unset_hba(struct lpfc_hba *phba) | |
6571 | { | |
6572 | struct lpfc_vport *vport = phba->pport; | |
6573 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
6574 | ||
6575 | spin_lock_irq(shost->host_lock); | |
6576 | vport->load_flag |= FC_UNLOADING; | |
6577 | spin_unlock_irq(shost->host_lock); | |
6578 | ||
6579 | lpfc_stop_hba_timers(phba); | |
6580 | ||
6581 | phba->pport->work_port_events = 0; | |
6582 | ||
6583 | lpfc_sli_hba_down(phba); | |
6584 | ||
6585 | lpfc_sli_brdrestart(phba); | |
6586 | ||
6587 | lpfc_sli_disable_intr(phba); | |
6588 | ||
6589 | return; | |
6590 | } | |
6591 | ||
6592 | /** | |
6593 | * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization. | |
6594 | * @phba: pointer to lpfc hba data structure. | |
6595 | * | |
6596 | * This routine is invoked to unset the HBA device initialization steps to | |
6597 | * a device with SLI-4 interface spec. | |
6598 | **/ | |
6599 | static void | |
6600 | lpfc_sli4_unset_hba(struct lpfc_hba *phba) | |
6601 | { | |
6602 | struct lpfc_vport *vport = phba->pport; | |
6603 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
6604 | ||
6605 | spin_lock_irq(shost->host_lock); | |
6606 | vport->load_flag |= FC_UNLOADING; | |
6607 | spin_unlock_irq(shost->host_lock); | |
6608 | ||
6609 | phba->pport->work_port_events = 0; | |
6610 | ||
6611 | lpfc_sli4_hba_down(phba); | |
6612 | ||
6613 | lpfc_sli4_disable_intr(phba); | |
6614 | ||
6615 | return; | |
6616 | } | |
6617 | ||
6618 | /** | |
6619 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
6620 | * @phba: Pointer to HBA context object. | |
6621 | * | |
6622 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
6623 | * function. The caller is not required to hold any lock. This routine | |
6624 | * issues PCI function reset mailbox command to reset the FCoE function. | |
6625 | * At the end of the function, it calls lpfc_hba_down_post function to | |
6626 | * free any pending commands. | |
6627 | **/ | |
6628 | static void | |
6629 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
6630 | { | |
6631 | int wait_cnt = 0; | |
6632 | LPFC_MBOXQ_t *mboxq; | |
6633 | ||
6634 | lpfc_stop_hba_timers(phba); | |
6635 | phba->sli4_hba.intr_enable = 0; | |
6636 | ||
6637 | /* | |
6638 | * Gracefully wait out the potential current outstanding asynchronous | |
6639 | * mailbox command. | |
6640 | */ | |
6641 | ||
6642 | /* First, block any pending async mailbox command from posted */ | |
6643 | spin_lock_irq(&phba->hbalock); | |
6644 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
6645 | spin_unlock_irq(&phba->hbalock); | |
6646 | /* Now, trying to wait it out if we can */ | |
6647 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
6648 | msleep(10); | |
6649 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
6650 | break; | |
6651 | } | |
6652 | /* Forcefully release the outstanding mailbox command if timed out */ | |
6653 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
6654 | spin_lock_irq(&phba->hbalock); | |
6655 | mboxq = phba->sli.mbox_active; | |
6656 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
6657 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
6658 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
6659 | phba->sli.mbox_active = NULL; | |
6660 | spin_unlock_irq(&phba->hbalock); | |
6661 | } | |
6662 | ||
6663 | /* Tear down the queues in the HBA */ | |
6664 | lpfc_sli4_queue_unset(phba); | |
6665 | ||
6666 | /* Disable PCI subsystem interrupt */ | |
6667 | lpfc_sli4_disable_intr(phba); | |
6668 | ||
6669 | /* Stop kthread signal shall trigger work_done one more time */ | |
6670 | kthread_stop(phba->worker_thread); | |
6671 | ||
6672 | /* Stop the SLI4 device port */ | |
6673 | phba->pport->work_port_events = 0; | |
6674 | } | |
6675 | ||
6676 | /** | |
6677 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
6678 | * @pdev: pointer to PCI device | |
6679 | * @pid: pointer to PCI device identifier | |
6680 | * | |
6681 | * This routine is to be called to attach a device with SLI-3 interface spec | |
6682 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
6683 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
6684 | * information of the device and driver to see if the driver state that it can | |
6685 | * support this kind of device. If the match is successful, the driver core | |
6686 | * invokes this routine. If this routine determines it can claim the HBA, it | |
6687 | * does all the initialization that it needs to do to handle the HBA properly. | |
6688 | * | |
6689 | * Return code | |
6690 | * 0 - driver can claim the device | |
6691 | * negative value - driver can not claim the device | |
6692 | **/ | |
6693 | static int __devinit | |
6694 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) | |
6695 | { | |
6696 | struct lpfc_hba *phba; | |
6697 | struct lpfc_vport *vport = NULL; | |
6698 | int error; | |
6699 | uint32_t cfg_mode, intr_mode; | |
6700 | ||
6701 | /* Allocate memory for HBA structure */ | |
6702 | phba = lpfc_hba_alloc(pdev); | |
6703 | if (!phba) | |
6704 | return -ENOMEM; | |
6705 | ||
6706 | /* Perform generic PCI device enabling operation */ | |
6707 | error = lpfc_enable_pci_dev(phba); | |
6708 | if (error) { | |
6709 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6710 | "1401 Failed to enable pci device.\n"); | |
6711 | goto out_free_phba; | |
6712 | } | |
6713 | ||
6714 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
6715 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
6716 | if (error) | |
6717 | goto out_disable_pci_dev; | |
6718 | ||
6719 | /* Set up SLI-3 specific device PCI memory space */ | |
6720 | error = lpfc_sli_pci_mem_setup(phba); | |
6721 | if (error) { | |
6722 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6723 | "1402 Failed to set up pci memory space.\n"); | |
6724 | goto out_disable_pci_dev; | |
6725 | } | |
6726 | ||
6727 | /* Set up phase-1 common device driver resources */ | |
6728 | error = lpfc_setup_driver_resource_phase1(phba); | |
6729 | if (error) { | |
6730 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6731 | "1403 Failed to set up driver resource.\n"); | |
6732 | goto out_unset_pci_mem_s3; | |
6733 | } | |
6734 | ||
6735 | /* Set up SLI-3 specific device driver resources */ | |
6736 | error = lpfc_sli_driver_resource_setup(phba); | |
6737 | if (error) { | |
6738 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6739 | "1404 Failed to set up driver resource.\n"); | |
6740 | goto out_unset_pci_mem_s3; | |
6741 | } | |
6742 | ||
6743 | /* Initialize and populate the iocb list per host */ | |
6744 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); | |
6745 | if (error) { | |
6746 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6747 | "1405 Failed to initialize iocb list.\n"); | |
6748 | goto out_unset_driver_resource_s3; | |
6749 | } | |
6750 | ||
6751 | /* Set up common device driver resources */ | |
6752 | error = lpfc_setup_driver_resource_phase2(phba); | |
6753 | if (error) { | |
6754 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6755 | "1406 Failed to set up driver resource.\n"); | |
6756 | goto out_free_iocb_list; | |
6757 | } | |
6758 | ||
6759 | /* Create SCSI host to the physical port */ | |
6760 | error = lpfc_create_shost(phba); | |
6761 | if (error) { | |
6762 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6763 | "1407 Failed to create scsi host.\n"); | |
6764 | goto out_unset_driver_resource; | |
6765 | } | |
6766 | ||
6767 | /* Configure sysfs attributes */ | |
6768 | vport = phba->pport; | |
6769 | error = lpfc_alloc_sysfs_attr(vport); | |
6770 | if (error) { | |
6771 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6772 | "1476 Failed to allocate sysfs attr\n"); | |
6773 | goto out_destroy_shost; | |
6774 | } | |
6775 | ||
6776 | /* Now, trying to enable interrupt and bring up the device */ | |
6777 | cfg_mode = phba->cfg_use_msi; | |
6778 | while (true) { | |
6779 | /* Put device to a known state before enabling interrupt */ | |
6780 | lpfc_stop_port(phba); | |
6781 | /* Configure and enable interrupt */ | |
6782 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
6783 | if (intr_mode == LPFC_INTR_ERROR) { | |
6784 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6785 | "0431 Failed to enable interrupt.\n"); | |
6786 | error = -ENODEV; | |
6787 | goto out_free_sysfs_attr; | |
6788 | } | |
6789 | /* SLI-3 HBA setup */ | |
6790 | if (lpfc_sli_hba_setup(phba)) { | |
6791 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6792 | "1477 Failed to set up hba\n"); | |
6793 | error = -ENODEV; | |
6794 | goto out_remove_device; | |
6795 | } | |
6796 | ||
6797 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
6798 | msleep(50); | |
6799 | /* Check active interrupts on message signaled interrupts */ | |
6800 | if (intr_mode == 0 || | |
6801 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
6802 | /* Log the current active interrupt mode */ | |
6803 | phba->intr_mode = intr_mode; | |
6804 | lpfc_log_intr_mode(phba, intr_mode); | |
6805 | break; | |
6806 | } else { | |
6807 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6808 | "0447 Configure interrupt mode (%d) " | |
6809 | "failed active interrupt test.\n", | |
6810 | intr_mode); | |
6811 | /* Disable the current interrupt mode */ | |
6812 | lpfc_sli_disable_intr(phba); | |
6813 | /* Try next level of interrupt mode */ | |
6814 | cfg_mode = --intr_mode; | |
6815 | } | |
6816 | } | |
6817 | ||
6818 | /* Perform post initialization setup */ | |
6819 | lpfc_post_init_setup(phba); | |
6820 | ||
6821 | /* Check if there are static vports to be created. */ | |
6822 | lpfc_create_static_vport(phba); | |
6823 | ||
6824 | return 0; | |
6825 | ||
6826 | out_remove_device: | |
6827 | lpfc_unset_hba(phba); | |
6828 | out_free_sysfs_attr: | |
6829 | lpfc_free_sysfs_attr(vport); | |
6830 | out_destroy_shost: | |
6831 | lpfc_destroy_shost(phba); | |
6832 | out_unset_driver_resource: | |
6833 | lpfc_unset_driver_resource_phase2(phba); | |
6834 | out_free_iocb_list: | |
6835 | lpfc_free_iocb_list(phba); | |
6836 | out_unset_driver_resource_s3: | |
6837 | lpfc_sli_driver_resource_unset(phba); | |
6838 | out_unset_pci_mem_s3: | |
6839 | lpfc_sli_pci_mem_unset(phba); | |
6840 | out_disable_pci_dev: | |
6841 | lpfc_disable_pci_dev(phba); | |
6842 | out_free_phba: | |
6843 | lpfc_hba_free(phba); | |
6844 | return error; | |
6845 | } | |
6846 | ||
6847 | /** | |
6848 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
6849 | * @pdev: pointer to PCI device | |
6850 | * | |
6851 | * This routine is to be called to disattach a device with SLI-3 interface | |
6852 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
6853 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
6854 | * device to be removed from the PCI subsystem properly. | |
6855 | **/ | |
6856 | static void __devexit | |
6857 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) | |
6858 | { | |
6859 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6860 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
6861 | struct lpfc_vport **vports; | |
6862 | struct lpfc_hba *phba = vport->phba; | |
6863 | int i; | |
6864 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
6865 | ||
6866 | spin_lock_irq(&phba->hbalock); | |
6867 | vport->load_flag |= FC_UNLOADING; | |
6868 | spin_unlock_irq(&phba->hbalock); | |
6869 | ||
6870 | lpfc_free_sysfs_attr(vport); | |
6871 | ||
6872 | /* Release all the vports against this physical port */ | |
6873 | vports = lpfc_create_vport_work_array(phba); | |
6874 | if (vports != NULL) | |
6875 | for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) | |
6876 | fc_vport_terminate(vports[i]->fc_vport); | |
6877 | lpfc_destroy_vport_work_array(phba, vports); | |
6878 | ||
6879 | /* Remove FC host and then SCSI host with the physical port */ | |
6880 | fc_remove_host(shost); | |
6881 | scsi_remove_host(shost); | |
6882 | lpfc_cleanup(vport); | |
6883 | ||
6884 | /* | |
6885 | * Bring down the SLI Layer. This step disable all interrupts, | |
6886 | * clears the rings, discards all mailbox commands, and resets | |
6887 | * the HBA. | |
6888 | */ | |
6889 | ||
6890 | /* HBA interrupt will be diabled after this call */ | |
6891 | lpfc_sli_hba_down(phba); | |
6892 | /* Stop kthread signal shall trigger work_done one more time */ | |
6893 | kthread_stop(phba->worker_thread); | |
6894 | /* Final cleanup of txcmplq and reset the HBA */ | |
6895 | lpfc_sli_brdrestart(phba); | |
6896 | ||
6897 | lpfc_stop_hba_timers(phba); | |
6898 | spin_lock_irq(&phba->hbalock); | |
6899 | list_del_init(&vport->listentry); | |
6900 | spin_unlock_irq(&phba->hbalock); | |
6901 | ||
6902 | lpfc_debugfs_terminate(vport); | |
6903 | ||
6904 | /* Disable interrupt */ | |
6905 | lpfc_sli_disable_intr(phba); | |
6906 | ||
6907 | pci_set_drvdata(pdev, NULL); | |
6908 | scsi_host_put(shost); | |
6909 | ||
6910 | /* | |
6911 | * Call scsi_free before mem_free since scsi bufs are released to their | |
6912 | * corresponding pools here. | |
6913 | */ | |
6914 | lpfc_scsi_free(phba); | |
6915 | lpfc_mem_free_all(phba); | |
6916 | ||
6917 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
6918 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
6919 | ||
6920 | /* Free resources associated with SLI2 interface */ | |
6921 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6922 | phba->slim2p.virt, phba->slim2p.phys); | |
6923 | ||
6924 | /* unmap adapter SLIM and Control Registers */ | |
6925 | iounmap(phba->ctrl_regs_memmap_p); | |
6926 | iounmap(phba->slim_memmap_p); | |
6927 | ||
6928 | lpfc_hba_free(phba); | |
6929 | ||
6930 | pci_release_selected_regions(pdev, bars); | |
6931 | pci_disable_device(pdev); | |
6932 | } | |
6933 | ||
6934 | /** | |
6935 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
6936 | * @pdev: pointer to PCI device | |
6937 | * @msg: power management message | |
6938 | * | |
6939 | * This routine is to be called from the kernel's PCI subsystem to support | |
6940 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
6941 | * PM invokes this method, it quiesces the device by stopping the driver's | |
6942 | * worker thread for the device, turning off device's interrupt and DMA, | |
6943 | * and bring the device offline. Note that as the driver implements the | |
6944 | * minimum PM requirements to a power-aware driver's PM support for the | |
6945 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
6946 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
6947 | * fully reinitialize its device during resume() method call, the driver will | |
6948 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
6949 | * according to the @msg provided by the PM. | |
6950 | * | |
6951 | * Return code | |
6952 | * 0 - driver suspended the device | |
6953 | * Error otherwise | |
6954 | **/ | |
6955 | static int | |
6956 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
6957 | { | |
6958 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6959 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
6960 | ||
6961 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6962 | "0473 PCI device Power Management suspend.\n"); | |
6963 | ||
6964 | /* Bring down the device */ | |
6965 | lpfc_offline_prep(phba); | |
6966 | lpfc_offline(phba); | |
6967 | kthread_stop(phba->worker_thread); | |
6968 | ||
6969 | /* Disable interrupt from device */ | |
6970 | lpfc_sli_disable_intr(phba); | |
6971 | ||
6972 | /* Save device state to PCI config space */ | |
6973 | pci_save_state(pdev); | |
6974 | pci_set_power_state(pdev, PCI_D3hot); | |
6975 | ||
6976 | return 0; | |
6977 | } | |
6978 | ||
6979 | /** | |
6980 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
6981 | * @pdev: pointer to PCI device | |
6982 | * | |
6983 | * This routine is to be called from the kernel's PCI subsystem to support | |
6984 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
6985 | * invokes this method, it restores the device's PCI config space state and | |
6986 | * fully reinitializes the device and brings it online. Note that as the | |
6987 | * driver implements the minimum PM requirements to a power-aware driver's | |
6988 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
6989 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
6990 | * driver will fully reinitialize its device during resume() method call, | |
6991 | * the device will be set to PCI_D0 directly in PCI config space before | |
6992 | * restoring the state. | |
6993 | * | |
6994 | * Return code | |
6995 | * 0 - driver suspended the device | |
6996 | * Error otherwise | |
6997 | **/ | |
6998 | static int | |
6999 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
7000 | { | |
7001 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7002 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7003 | uint32_t intr_mode; | |
7004 | int error; | |
7005 | ||
7006 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7007 | "0452 PCI device Power Management resume.\n"); | |
7008 | ||
7009 | /* Restore device state from PCI config space */ | |
7010 | pci_set_power_state(pdev, PCI_D0); | |
7011 | pci_restore_state(pdev); | |
7012 | if (pdev->is_busmaster) | |
7013 | pci_set_master(pdev); | |
7014 | ||
7015 | /* Startup the kernel thread for this host adapter. */ | |
7016 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
7017 | "lpfc_worker_%d", phba->brd_no); | |
7018 | if (IS_ERR(phba->worker_thread)) { | |
7019 | error = PTR_ERR(phba->worker_thread); | |
7020 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7021 | "0434 PM resume failed to start worker " | |
7022 | "thread: error=x%x.\n", error); | |
7023 | return error; | |
7024 | } | |
7025 | ||
7026 | /* Configure and enable interrupt */ | |
7027 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
7028 | if (intr_mode == LPFC_INTR_ERROR) { | |
7029 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7030 | "0430 PM resume Failed to enable interrupt\n"); | |
7031 | return -EIO; | |
7032 | } else | |
7033 | phba->intr_mode = intr_mode; | |
7034 | ||
7035 | /* Restart HBA and bring it online */ | |
7036 | lpfc_sli_brdrestart(phba); | |
7037 | lpfc_online(phba); | |
7038 | ||
7039 | /* Log the current active interrupt mode */ | |
7040 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
7041 | ||
7042 | return 0; | |
7043 | } | |
7044 | ||
7045 | /** | |
7046 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
7047 | * @pdev: pointer to PCI device. | |
7048 | * @state: the current PCI connection state. | |
7049 | * | |
7050 | * This routine is called from the PCI subsystem for I/O error handling to | |
7051 | * device with SLI-3 interface spec. This function is called by the PCI | |
7052 | * subsystem after a PCI bus error affecting this device has been detected. | |
7053 | * When this function is invoked, it will need to stop all the I/Os and | |
7054 | * interrupt(s) to the device. Once that is done, it will return | |
7055 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
7056 | * as desired. | |
7057 | * | |
7058 | * Return codes | |
7059 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
7060 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7061 | **/ | |
7062 | static pci_ers_result_t | |
7063 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
7064 | { | |
7065 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7066 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7067 | struct lpfc_sli *psli = &phba->sli; | |
7068 | struct lpfc_sli_ring *pring; | |
7069 | ||
7070 | if (state == pci_channel_io_perm_failure) { | |
7071 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7072 | "0472 PCI channel I/O permanent failure\n"); | |
7073 | /* Block all SCSI devices' I/Os on the host */ | |
7074 | lpfc_scsi_dev_block(phba); | |
7075 | /* Clean up all driver's outstanding SCSI I/Os */ | |
7076 | lpfc_sli_flush_fcp_rings(phba); | |
7077 | return PCI_ERS_RESULT_DISCONNECT; | |
7078 | } | |
7079 | ||
7080 | pci_disable_device(pdev); | |
7081 | /* | |
7082 | * There may be I/Os dropped by the firmware. | |
7083 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
7084 | * retry it after re-establishing link. | |
7085 | */ | |
7086 | pring = &psli->ring[psli->fcp_ring]; | |
7087 | lpfc_sli_abort_iocb_ring(phba, pring); | |
7088 | ||
7089 | /* Disable interrupt */ | |
7090 | lpfc_sli_disable_intr(phba); | |
7091 | ||
7092 | /* Request a slot reset. */ | |
7093 | return PCI_ERS_RESULT_NEED_RESET; | |
7094 | } | |
7095 | ||
7096 | /** | |
7097 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
7098 | * @pdev: pointer to PCI device. | |
7099 | * | |
7100 | * This routine is called from the PCI subsystem for error handling to | |
7101 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
7102 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
7103 | * During the PCI subsystem error recovery, after driver returns | |
7104 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
7105 | * recovery and then call this routine before calling the .resume method | |
7106 | * to recover the device. This function will initialize the HBA device, | |
7107 | * enable the interrupt, but it will just put the HBA to offline state | |
7108 | * without passing any I/O traffic. | |
7109 | * | |
7110 | * Return codes | |
7111 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
7112 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7113 | */ | |
7114 | static pci_ers_result_t | |
7115 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
7116 | { | |
7117 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7118 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7119 | struct lpfc_sli *psli = &phba->sli; | |
7120 | uint32_t intr_mode; | |
7121 | ||
7122 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
7123 | if (pci_enable_device_mem(pdev)) { | |
7124 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
7125 | "PCI device after reset.\n"); | |
7126 | return PCI_ERS_RESULT_DISCONNECT; | |
7127 | } | |
7128 | ||
7129 | pci_restore_state(pdev); | |
7130 | if (pdev->is_busmaster) | |
7131 | pci_set_master(pdev); | |
7132 | ||
7133 | spin_lock_irq(&phba->hbalock); | |
7134 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
7135 | spin_unlock_irq(&phba->hbalock); | |
7136 | ||
7137 | /* Configure and enable interrupt */ | |
7138 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
7139 | if (intr_mode == LPFC_INTR_ERROR) { | |
7140 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7141 | "0427 Cannot re-enable interrupt after " | |
7142 | "slot reset.\n"); | |
7143 | return PCI_ERS_RESULT_DISCONNECT; | |
7144 | } else | |
7145 | phba->intr_mode = intr_mode; | |
7146 | ||
7147 | /* Take device offline; this will perform cleanup */ | |
7148 | lpfc_offline(phba); | |
7149 | lpfc_sli_brdrestart(phba); | |
7150 | ||
7151 | /* Log the current active interrupt mode */ | |
7152 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
7153 | ||
7154 | return PCI_ERS_RESULT_RECOVERED; | |
7155 | } | |
7156 | ||
7157 | /** | |
7158 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
7159 | * @pdev: pointer to PCI device | |
7160 | * | |
7161 | * This routine is called from the PCI subsystem for error handling to device | |
7162 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
7163 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
7164 | * error recovery. After this call, traffic can start to flow from this device | |
7165 | * again. | |
7166 | */ | |
7167 | static void | |
7168 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
7169 | { | |
7170 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7171 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 7172 | |
da0436e9 JS |
7173 | lpfc_online(phba); |
7174 | } | |
3772a991 | 7175 | |
da0436e9 JS |
7176 | /** |
7177 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
7178 | * @phba: pointer to lpfc hba data structure. | |
7179 | * | |
7180 | * returns the number of ELS/CT IOCBs to reserve | |
7181 | **/ | |
7182 | int | |
7183 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
7184 | { | |
7185 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
7186 | ||
7187 | if (max_xri <= 100) | |
7188 | return 4; | |
7189 | else if (max_xri <= 256) | |
7190 | return 8; | |
7191 | else if (max_xri <= 512) | |
7192 | return 16; | |
7193 | else if (max_xri <= 1024) | |
7194 | return 32; | |
7195 | else | |
7196 | return 48; | |
3772a991 JS |
7197 | } |
7198 | ||
7199 | /** | |
da0436e9 | 7200 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
7201 | * @pdev: pointer to PCI device |
7202 | * @pid: pointer to PCI device identifier | |
7203 | * | |
da0436e9 JS |
7204 | * This routine is called from the kernel's PCI subsystem to device with |
7205 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 7206 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
7207 | * information of the device and driver to see if the driver state that it |
7208 | * can support this kind of device. If the match is successful, the driver | |
7209 | * core invokes this routine. If this routine determines it can claim the HBA, | |
7210 | * it does all the initialization that it needs to do to handle the HBA | |
7211 | * properly. | |
3772a991 JS |
7212 | * |
7213 | * Return code | |
7214 | * 0 - driver can claim the device | |
7215 | * negative value - driver can not claim the device | |
7216 | **/ | |
7217 | static int __devinit | |
da0436e9 | 7218 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
7219 | { |
7220 | struct lpfc_hba *phba; | |
7221 | struct lpfc_vport *vport = NULL; | |
7222 | int error; | |
7223 | uint32_t cfg_mode, intr_mode; | |
da0436e9 | 7224 | int mcnt; |
3772a991 JS |
7225 | |
7226 | /* Allocate memory for HBA structure */ | |
7227 | phba = lpfc_hba_alloc(pdev); | |
7228 | if (!phba) | |
7229 | return -ENOMEM; | |
7230 | ||
7231 | /* Perform generic PCI device enabling operation */ | |
7232 | error = lpfc_enable_pci_dev(phba); | |
7233 | if (error) { | |
7234 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7235 | "1409 Failed to enable pci device.\n"); |
3772a991 JS |
7236 | goto out_free_phba; |
7237 | } | |
7238 | ||
da0436e9 JS |
7239 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
7240 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
7241 | if (error) |
7242 | goto out_disable_pci_dev; | |
7243 | ||
da0436e9 JS |
7244 | /* Set up SLI-4 specific device PCI memory space */ |
7245 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
7246 | if (error) { |
7247 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7248 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
7249 | goto out_disable_pci_dev; |
7250 | } | |
7251 | ||
7252 | /* Set up phase-1 common device driver resources */ | |
7253 | error = lpfc_setup_driver_resource_phase1(phba); | |
7254 | if (error) { | |
7255 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
7256 | "1411 Failed to set up driver resource.\n"); |
7257 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
7258 | } |
7259 | ||
da0436e9 JS |
7260 | /* Set up SLI-4 Specific device driver resources */ |
7261 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
7262 | if (error) { |
7263 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
7264 | "1412 Failed to set up driver resource.\n"); |
7265 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
7266 | } |
7267 | ||
7268 | /* Initialize and populate the iocb list per host */ | |
da0436e9 JS |
7269 | error = lpfc_init_iocb_list(phba, |
7270 | phba->sli4_hba.max_cfg_param.max_xri); | |
3772a991 JS |
7271 | if (error) { |
7272 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
7273 | "1413 Failed to initialize iocb list.\n"); |
7274 | goto out_unset_driver_resource_s4; | |
3772a991 JS |
7275 | } |
7276 | ||
7277 | /* Set up common device driver resources */ | |
7278 | error = lpfc_setup_driver_resource_phase2(phba); | |
7279 | if (error) { | |
7280 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7281 | "1414 Failed to set up driver resource.\n"); |
3772a991 JS |
7282 | goto out_free_iocb_list; |
7283 | } | |
7284 | ||
7285 | /* Create SCSI host to the physical port */ | |
7286 | error = lpfc_create_shost(phba); | |
7287 | if (error) { | |
7288 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7289 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
7290 | goto out_unset_driver_resource; |
7291 | } | |
9399627f | 7292 | |
5b75da2f | 7293 | /* Configure sysfs attributes */ |
3772a991 JS |
7294 | vport = phba->pport; |
7295 | error = lpfc_alloc_sysfs_attr(vport); | |
7296 | if (error) { | |
9399627f | 7297 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 7298 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 7299 | goto out_destroy_shost; |
98c9ea5c | 7300 | } |
875fbdfe | 7301 | |
3772a991 | 7302 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f JS |
7303 | cfg_mode = phba->cfg_use_msi; |
7304 | while (true) { | |
3772a991 JS |
7305 | /* Put device to a known state before enabling interrupt */ |
7306 | lpfc_stop_port(phba); | |
5b75da2f | 7307 | /* Configure and enable interrupt */ |
da0436e9 | 7308 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); |
5b75da2f JS |
7309 | if (intr_mode == LPFC_INTR_ERROR) { |
7310 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7311 | "0426 Failed to enable interrupt.\n"); |
3772a991 | 7312 | error = -ENODEV; |
5b75da2f JS |
7313 | goto out_free_sysfs_attr; |
7314 | } | |
da0436e9 JS |
7315 | /* Set up SLI-4 HBA */ |
7316 | if (lpfc_sli4_hba_setup(phba)) { | |
5b75da2f | 7317 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 7318 | "1421 Failed to set up hba\n"); |
5b75da2f | 7319 | error = -ENODEV; |
da0436e9 | 7320 | goto out_disable_intr; |
5b75da2f JS |
7321 | } |
7322 | ||
da0436e9 JS |
7323 | /* Send NOP mbx cmds for non-INTx mode active interrupt test */ |
7324 | if (intr_mode != 0) | |
7325 | mcnt = lpfc_sli4_send_nop_mbox_cmds(phba, | |
7326 | LPFC_ACT_INTR_CNT); | |
7327 | ||
7328 | /* Check active interrupts received only for MSI/MSI-X */ | |
3772a991 | 7329 | if (intr_mode == 0 || |
da0436e9 | 7330 | phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) { |
5b75da2f JS |
7331 | /* Log the current active interrupt mode */ |
7332 | phba->intr_mode = intr_mode; | |
7333 | lpfc_log_intr_mode(phba, intr_mode); | |
7334 | break; | |
5b75da2f | 7335 | } |
da0436e9 JS |
7336 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7337 | "0451 Configure interrupt mode (%d) " | |
7338 | "failed active interrupt test.\n", | |
7339 | intr_mode); | |
7340 | /* Unset the preivous SLI-4 HBA setup */ | |
7341 | lpfc_sli4_unset_hba(phba); | |
7342 | /* Try next level of interrupt mode */ | |
7343 | cfg_mode = --intr_mode; | |
98c9ea5c | 7344 | } |
858c9f6c | 7345 | |
3772a991 JS |
7346 | /* Perform post initialization setup */ |
7347 | lpfc_post_init_setup(phba); | |
dea3101e | 7348 | |
dea3101e JB |
7349 | return 0; |
7350 | ||
da0436e9 JS |
7351 | out_disable_intr: |
7352 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
7353 | out_free_sysfs_attr: |
7354 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
7355 | out_destroy_shost: |
7356 | lpfc_destroy_shost(phba); | |
7357 | out_unset_driver_resource: | |
7358 | lpfc_unset_driver_resource_phase2(phba); | |
7359 | out_free_iocb_list: | |
7360 | lpfc_free_iocb_list(phba); | |
da0436e9 JS |
7361 | out_unset_driver_resource_s4: |
7362 | lpfc_sli4_driver_resource_unset(phba); | |
7363 | out_unset_pci_mem_s4: | |
7364 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
7365 | out_disable_pci_dev: |
7366 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 7367 | out_free_phba: |
3772a991 | 7368 | lpfc_hba_free(phba); |
dea3101e JB |
7369 | return error; |
7370 | } | |
7371 | ||
e59058c4 | 7372 | /** |
da0436e9 | 7373 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
7374 | * @pdev: pointer to PCI device |
7375 | * | |
da0436e9 JS |
7376 | * This routine is called from the kernel's PCI subsystem to device with |
7377 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
7378 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
7379 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 7380 | **/ |
dea3101e | 7381 | static void __devexit |
da0436e9 | 7382 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 7383 | { |
da0436e9 | 7384 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 7385 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 7386 | struct lpfc_vport **vports; |
da0436e9 | 7387 | struct lpfc_hba *phba = vport->phba; |
eada272d | 7388 | int i; |
8a4df120 | 7389 | |
da0436e9 | 7390 | /* Mark the device unloading flag */ |
549e55cd | 7391 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 7392 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 7393 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 7394 | |
da0436e9 | 7395 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
7396 | lpfc_free_sysfs_attr(vport); |
7397 | ||
eada272d JS |
7398 | /* Release all the vports against this physical port */ |
7399 | vports = lpfc_create_vport_work_array(phba); | |
7400 | if (vports != NULL) | |
3772a991 | 7401 | for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) |
eada272d JS |
7402 | fc_vport_terminate(vports[i]->fc_vport); |
7403 | lpfc_destroy_vport_work_array(phba, vports); | |
7404 | ||
7405 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
7406 | fc_remove_host(shost); |
7407 | scsi_remove_host(shost); | |
da0436e9 JS |
7408 | |
7409 | /* Perform cleanup on the physical port */ | |
87af33fe JS |
7410 | lpfc_cleanup(vport); |
7411 | ||
2e0fef85 | 7412 | /* |
da0436e9 | 7413 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 7414 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 7415 | * the HBA FCoE function. |
2e0fef85 | 7416 | */ |
da0436e9 JS |
7417 | lpfc_debugfs_terminate(vport); |
7418 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 7419 | |
858c9f6c JS |
7420 | spin_lock_irq(&phba->hbalock); |
7421 | list_del_init(&vport->listentry); | |
7422 | spin_unlock_irq(&phba->hbalock); | |
7423 | ||
da0436e9 JS |
7424 | /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi |
7425 | * buffers are released to their corresponding pools here. | |
2e0fef85 JS |
7426 | */ |
7427 | lpfc_scsi_free(phba); | |
da0436e9 | 7428 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 7429 | |
da0436e9 JS |
7430 | /* Unmap adapter Control and Doorbell registers */ |
7431 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 7432 | |
da0436e9 JS |
7433 | /* Release PCI resources and disable device's PCI function */ |
7434 | scsi_host_put(shost); | |
7435 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 7436 | |
da0436e9 | 7437 | /* Finally, free the driver's device data structure */ |
3772a991 | 7438 | lpfc_hba_free(phba); |
2e0fef85 | 7439 | |
da0436e9 | 7440 | return; |
dea3101e JB |
7441 | } |
7442 | ||
3a55b532 | 7443 | /** |
da0436e9 | 7444 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
7445 | * @pdev: pointer to PCI device |
7446 | * @msg: power management message | |
7447 | * | |
da0436e9 JS |
7448 | * This routine is called from the kernel's PCI subsystem to support system |
7449 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
7450 | * this method, it quiesces the device by stopping the driver's worker | |
7451 | * thread for the device, turning off device's interrupt and DMA, and bring | |
7452 | * the device offline. Note that as the driver implements the minimum PM | |
7453 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
7454 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
7455 | * method call will be treated as SUSPEND and the driver will fully | |
7456 | * reinitialize its device during resume() method call, the driver will set | |
7457 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 7458 | * according to the @msg provided by the PM. |
3a55b532 JS |
7459 | * |
7460 | * Return code | |
3772a991 JS |
7461 | * 0 - driver suspended the device |
7462 | * Error otherwise | |
3a55b532 JS |
7463 | **/ |
7464 | static int | |
da0436e9 | 7465 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
7466 | { |
7467 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7468 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7469 | ||
7470 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 7471 | "0298 PCI device Power Management suspend.\n"); |
3a55b532 JS |
7472 | |
7473 | /* Bring down the device */ | |
7474 | lpfc_offline_prep(phba); | |
7475 | lpfc_offline(phba); | |
7476 | kthread_stop(phba->worker_thread); | |
7477 | ||
7478 | /* Disable interrupt from device */ | |
da0436e9 | 7479 | lpfc_sli4_disable_intr(phba); |
3a55b532 JS |
7480 | |
7481 | /* Save device state to PCI config space */ | |
7482 | pci_save_state(pdev); | |
7483 | pci_set_power_state(pdev, PCI_D3hot); | |
7484 | ||
7485 | return 0; | |
7486 | } | |
7487 | ||
7488 | /** | |
da0436e9 | 7489 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
7490 | * @pdev: pointer to PCI device |
7491 | * | |
da0436e9 JS |
7492 | * This routine is called from the kernel's PCI subsystem to support system |
7493 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
7494 | * this method, it restores the device's PCI config space state and fully | |
7495 | * reinitializes the device and brings it online. Note that as the driver | |
7496 | * implements the minimum PM requirements to a power-aware driver's PM for | |
7497 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
7498 | * to the suspend() method call will be treated as SUSPEND and the driver | |
7499 | * will fully reinitialize its device during resume() method call, the device | |
7500 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
7501 | * state. | |
3a55b532 JS |
7502 | * |
7503 | * Return code | |
3772a991 JS |
7504 | * 0 - driver suspended the device |
7505 | * Error otherwise | |
3a55b532 JS |
7506 | **/ |
7507 | static int | |
da0436e9 | 7508 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
7509 | { |
7510 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7511 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 7512 | uint32_t intr_mode; |
3a55b532 JS |
7513 | int error; |
7514 | ||
7515 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 7516 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
7517 | |
7518 | /* Restore device state from PCI config space */ | |
7519 | pci_set_power_state(pdev, PCI_D0); | |
7520 | pci_restore_state(pdev); | |
7521 | if (pdev->is_busmaster) | |
7522 | pci_set_master(pdev); | |
7523 | ||
da0436e9 | 7524 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
7525 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
7526 | "lpfc_worker_%d", phba->brd_no); | |
7527 | if (IS_ERR(phba->worker_thread)) { | |
7528 | error = PTR_ERR(phba->worker_thread); | |
7529 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7530 | "0293 PM resume failed to start worker " |
3a55b532 JS |
7531 | "thread: error=x%x.\n", error); |
7532 | return error; | |
7533 | } | |
7534 | ||
5b75da2f | 7535 | /* Configure and enable interrupt */ |
da0436e9 | 7536 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 7537 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 7538 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 7539 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
7540 | return -EIO; |
7541 | } else | |
7542 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
7543 | |
7544 | /* Restart HBA and bring it online */ | |
7545 | lpfc_sli_brdrestart(phba); | |
7546 | lpfc_online(phba); | |
7547 | ||
5b75da2f JS |
7548 | /* Log the current active interrupt mode */ |
7549 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
7550 | ||
3a55b532 JS |
7551 | return 0; |
7552 | } | |
7553 | ||
8d63f375 | 7554 | /** |
da0436e9 | 7555 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
7556 | * @pdev: pointer to PCI device. |
7557 | * @state: the current PCI connection state. | |
8d63f375 | 7558 | * |
da0436e9 JS |
7559 | * This routine is called from the PCI subsystem for error handling to device |
7560 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
7561 | * after a PCI bus error affecting this device has been detected. When this | |
7562 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
7563 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
7564 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
7565 | * |
7566 | * Return codes | |
3772a991 JS |
7567 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
7568 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 7569 | **/ |
3772a991 | 7570 | static pci_ers_result_t |
da0436e9 | 7571 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 7572 | { |
8d63f375 LV |
7573 | return PCI_ERS_RESULT_NEED_RESET; |
7574 | } | |
7575 | ||
7576 | /** | |
da0436e9 | 7577 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
7578 | * @pdev: pointer to PCI device. |
7579 | * | |
da0436e9 JS |
7580 | * This routine is called from the PCI subsystem for error handling to device |
7581 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
7582 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
7583 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 7584 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
7585 | * recovery and then call this routine before calling the .resume method to |
7586 | * recover the device. This function will initialize the HBA device, enable | |
7587 | * the interrupt, but it will just put the HBA to offline state without | |
7588 | * passing any I/O traffic. | |
8d63f375 | 7589 | * |
e59058c4 | 7590 | * Return codes |
3772a991 JS |
7591 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
7592 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 7593 | */ |
3772a991 | 7594 | static pci_ers_result_t |
da0436e9 | 7595 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 7596 | { |
8d63f375 LV |
7597 | return PCI_ERS_RESULT_RECOVERED; |
7598 | } | |
7599 | ||
7600 | /** | |
da0436e9 | 7601 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 7602 | * @pdev: pointer to PCI device |
8d63f375 | 7603 | * |
3772a991 | 7604 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 7605 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
7606 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
7607 | * error recovery. After this call, traffic can start to flow from this device | |
7608 | * again. | |
da0436e9 | 7609 | **/ |
3772a991 | 7610 | static void |
da0436e9 | 7611 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 7612 | { |
da0436e9 | 7613 | return; |
8d63f375 LV |
7614 | } |
7615 | ||
3772a991 JS |
7616 | /** |
7617 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
7618 | * @pdev: pointer to PCI device | |
7619 | * @pid: pointer to PCI device identifier | |
7620 | * | |
7621 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
7622 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
7623 | * at PCI device-specific information of the device and driver to see if the | |
7624 | * driver state that it can support this kind of device. If the match is | |
7625 | * successful, the driver core invokes this routine. This routine dispatches | |
7626 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
7627 | * do all the initialization that it needs to do to handle the HBA device | |
7628 | * properly. | |
7629 | * | |
7630 | * Return code | |
7631 | * 0 - driver can claim the device | |
7632 | * negative value - driver can not claim the device | |
7633 | **/ | |
7634 | static int __devinit | |
7635 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
7636 | { | |
7637 | int rc; | |
7638 | uint16_t dev_id; | |
7639 | ||
7640 | if (pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id)) | |
7641 | return -ENODEV; | |
7642 | ||
7643 | switch (dev_id) { | |
da0436e9 JS |
7644 | case PCI_DEVICE_ID_TIGERSHARK: |
7645 | case PCI_DEVICE_ID_TIGERSHARK_S: | |
7646 | rc = lpfc_pci_probe_one_s4(pdev, pid); | |
7647 | break; | |
3772a991 JS |
7648 | default: |
7649 | rc = lpfc_pci_probe_one_s3(pdev, pid); | |
7650 | break; | |
7651 | } | |
7652 | return rc; | |
7653 | } | |
7654 | ||
7655 | /** | |
7656 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
7657 | * @pdev: pointer to PCI device | |
7658 | * | |
7659 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
7660 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
7661 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
7662 | * remove routine, which will perform all the necessary cleanup for the | |
7663 | * device to be removed from the PCI subsystem properly. | |
7664 | **/ | |
7665 | static void __devexit | |
7666 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
7667 | { | |
7668 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7669 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7670 | ||
7671 | switch (phba->pci_dev_grp) { | |
7672 | case LPFC_PCI_DEV_LP: | |
7673 | lpfc_pci_remove_one_s3(pdev); | |
7674 | break; | |
da0436e9 JS |
7675 | case LPFC_PCI_DEV_OC: |
7676 | lpfc_pci_remove_one_s4(pdev); | |
7677 | break; | |
3772a991 JS |
7678 | default: |
7679 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7680 | "1424 Invalid PCI device group: 0x%x\n", | |
7681 | phba->pci_dev_grp); | |
7682 | break; | |
7683 | } | |
7684 | return; | |
7685 | } | |
7686 | ||
7687 | /** | |
7688 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
7689 | * @pdev: pointer to PCI device | |
7690 | * @msg: power management message | |
7691 | * | |
7692 | * This routine is to be registered to the kernel's PCI subsystem to support | |
7693 | * system Power Management (PM). When PM invokes this method, it dispatches | |
7694 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
7695 | * suspend the device. | |
7696 | * | |
7697 | * Return code | |
7698 | * 0 - driver suspended the device | |
7699 | * Error otherwise | |
7700 | **/ | |
7701 | static int | |
7702 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
7703 | { | |
7704 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7705 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7706 | int rc = -ENODEV; | |
7707 | ||
7708 | switch (phba->pci_dev_grp) { | |
7709 | case LPFC_PCI_DEV_LP: | |
7710 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
7711 | break; | |
da0436e9 JS |
7712 | case LPFC_PCI_DEV_OC: |
7713 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
7714 | break; | |
3772a991 JS |
7715 | default: |
7716 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7717 | "1425 Invalid PCI device group: 0x%x\n", | |
7718 | phba->pci_dev_grp); | |
7719 | break; | |
7720 | } | |
7721 | return rc; | |
7722 | } | |
7723 | ||
7724 | /** | |
7725 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
7726 | * @pdev: pointer to PCI device | |
7727 | * | |
7728 | * This routine is to be registered to the kernel's PCI subsystem to support | |
7729 | * system Power Management (PM). When PM invokes this method, it dispatches | |
7730 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
7731 | * resume the device. | |
7732 | * | |
7733 | * Return code | |
7734 | * 0 - driver suspended the device | |
7735 | * Error otherwise | |
7736 | **/ | |
7737 | static int | |
7738 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
7739 | { | |
7740 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7741 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7742 | int rc = -ENODEV; | |
7743 | ||
7744 | switch (phba->pci_dev_grp) { | |
7745 | case LPFC_PCI_DEV_LP: | |
7746 | rc = lpfc_pci_resume_one_s3(pdev); | |
7747 | break; | |
da0436e9 JS |
7748 | case LPFC_PCI_DEV_OC: |
7749 | rc = lpfc_pci_resume_one_s4(pdev); | |
7750 | break; | |
3772a991 JS |
7751 | default: |
7752 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7753 | "1426 Invalid PCI device group: 0x%x\n", | |
7754 | phba->pci_dev_grp); | |
7755 | break; | |
7756 | } | |
7757 | return rc; | |
7758 | } | |
7759 | ||
7760 | /** | |
7761 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
7762 | * @pdev: pointer to PCI device. | |
7763 | * @state: the current PCI connection state. | |
7764 | * | |
7765 | * This routine is registered to the PCI subsystem for error handling. This | |
7766 | * function is called by the PCI subsystem after a PCI bus error affecting | |
7767 | * this device has been detected. When this routine is invoked, it dispatches | |
7768 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
7769 | * routine, which will perform the proper error detected operation. | |
7770 | * | |
7771 | * Return codes | |
7772 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
7773 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7774 | **/ | |
7775 | static pci_ers_result_t | |
7776 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
7777 | { | |
7778 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7779 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7780 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
7781 | ||
7782 | switch (phba->pci_dev_grp) { | |
7783 | case LPFC_PCI_DEV_LP: | |
7784 | rc = lpfc_io_error_detected_s3(pdev, state); | |
7785 | break; | |
da0436e9 JS |
7786 | case LPFC_PCI_DEV_OC: |
7787 | rc = lpfc_io_error_detected_s4(pdev, state); | |
7788 | break; | |
3772a991 JS |
7789 | default: |
7790 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7791 | "1427 Invalid PCI device group: 0x%x\n", | |
7792 | phba->pci_dev_grp); | |
7793 | break; | |
7794 | } | |
7795 | return rc; | |
7796 | } | |
7797 | ||
7798 | /** | |
7799 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
7800 | * @pdev: pointer to PCI device. | |
7801 | * | |
7802 | * This routine is registered to the PCI subsystem for error handling. This | |
7803 | * function is called after PCI bus has been reset to restart the PCI card | |
7804 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
7805 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
7806 | * routine, which will perform the proper device reset. | |
7807 | * | |
7808 | * Return codes | |
7809 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
7810 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7811 | **/ | |
7812 | static pci_ers_result_t | |
7813 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
7814 | { | |
7815 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7816 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7817 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
7818 | ||
7819 | switch (phba->pci_dev_grp) { | |
7820 | case LPFC_PCI_DEV_LP: | |
7821 | rc = lpfc_io_slot_reset_s3(pdev); | |
7822 | break; | |
da0436e9 JS |
7823 | case LPFC_PCI_DEV_OC: |
7824 | rc = lpfc_io_slot_reset_s4(pdev); | |
7825 | break; | |
3772a991 JS |
7826 | default: |
7827 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7828 | "1428 Invalid PCI device group: 0x%x\n", | |
7829 | phba->pci_dev_grp); | |
7830 | break; | |
7831 | } | |
7832 | return rc; | |
7833 | } | |
7834 | ||
7835 | /** | |
7836 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
7837 | * @pdev: pointer to PCI device | |
7838 | * | |
7839 | * This routine is registered to the PCI subsystem for error handling. It | |
7840 | * is called when kernel error recovery tells the lpfc driver that it is | |
7841 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
7842 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
7843 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
7844 | **/ | |
7845 | static void | |
7846 | lpfc_io_resume(struct pci_dev *pdev) | |
7847 | { | |
7848 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7849 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7850 | ||
7851 | switch (phba->pci_dev_grp) { | |
7852 | case LPFC_PCI_DEV_LP: | |
7853 | lpfc_io_resume_s3(pdev); | |
7854 | break; | |
da0436e9 JS |
7855 | case LPFC_PCI_DEV_OC: |
7856 | lpfc_io_resume_s4(pdev); | |
7857 | break; | |
3772a991 JS |
7858 | default: |
7859 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7860 | "1429 Invalid PCI device group: 0x%x\n", | |
7861 | phba->pci_dev_grp); | |
7862 | break; | |
7863 | } | |
7864 | return; | |
7865 | } | |
7866 | ||
dea3101e JB |
7867 | static struct pci_device_id lpfc_id_table[] = { |
7868 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
7869 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
7870 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
7871 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
7872 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
7873 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7874 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
7875 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7876 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
7877 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7878 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
7879 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7880 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
7881 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7882 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
7883 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7884 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
7885 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
7886 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
7887 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7888 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
7889 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7890 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
7891 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
7892 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
7893 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
7894 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
7895 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7896 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
7897 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
7898 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
7899 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7900 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
7901 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7902 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
7903 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
7904 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
7905 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
7906 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
7907 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7908 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
7909 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
7910 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
7911 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7912 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
7913 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7914 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
7915 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7916 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
7917 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7918 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
7919 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
7920 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
7921 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7922 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
7923 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
7924 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
7925 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7926 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
7927 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7928 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
7929 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7930 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
7931 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7932 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
7933 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7934 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
7935 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
7936 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
7937 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7938 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
7939 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7940 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
7941 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3772a991 JS |
7942 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK, |
7943 | PCI_ANY_ID, PCI_ANY_ID, }, | |
7944 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK_S, | |
7945 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
7946 | { 0 } |
7947 | }; | |
7948 | ||
7949 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
7950 | ||
8d63f375 LV |
7951 | static struct pci_error_handlers lpfc_err_handler = { |
7952 | .error_detected = lpfc_io_error_detected, | |
7953 | .slot_reset = lpfc_io_slot_reset, | |
7954 | .resume = lpfc_io_resume, | |
7955 | }; | |
7956 | ||
dea3101e JB |
7957 | static struct pci_driver lpfc_driver = { |
7958 | .name = LPFC_DRIVER_NAME, | |
7959 | .id_table = lpfc_id_table, | |
7960 | .probe = lpfc_pci_probe_one, | |
7961 | .remove = __devexit_p(lpfc_pci_remove_one), | |
3a55b532 | 7962 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 7963 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 7964 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
7965 | }; |
7966 | ||
e59058c4 | 7967 | /** |
3621a710 | 7968 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
7969 | * |
7970 | * This routine is to be invoked when the lpfc module is loaded into the | |
7971 | * kernel. The special kernel macro module_init() is used to indicate the | |
7972 | * role of this routine to the kernel as lpfc module entry point. | |
7973 | * | |
7974 | * Return codes | |
7975 | * 0 - successful | |
7976 | * -ENOMEM - FC attach transport failed | |
7977 | * all others - failed | |
7978 | */ | |
dea3101e JB |
7979 | static int __init |
7980 | lpfc_init(void) | |
7981 | { | |
7982 | int error = 0; | |
7983 | ||
7984 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 7985 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 7986 | |
7ee5d43e JS |
7987 | if (lpfc_enable_npiv) { |
7988 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
7989 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
7990 | } | |
dea3101e JB |
7991 | lpfc_transport_template = |
7992 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 7993 | if (lpfc_transport_template == NULL) |
dea3101e | 7994 | return -ENOMEM; |
7ee5d43e | 7995 | if (lpfc_enable_npiv) { |
7ee5d43e | 7996 | lpfc_vport_transport_template = |
98c9ea5c JS |
7997 | fc_attach_transport(&lpfc_vport_transport_functions); |
7998 | if (lpfc_vport_transport_template == NULL) { | |
7999 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 8000 | return -ENOMEM; |
98c9ea5c | 8001 | } |
7ee5d43e | 8002 | } |
dea3101e | 8003 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 8004 | if (error) { |
dea3101e | 8005 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
8006 | if (lpfc_enable_npiv) |
8007 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 8008 | } |
dea3101e JB |
8009 | |
8010 | return error; | |
8011 | } | |
8012 | ||
e59058c4 | 8013 | /** |
3621a710 | 8014 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
8015 | * |
8016 | * This routine is invoked when the lpfc module is removed from the kernel. | |
8017 | * The special kernel macro module_exit() is used to indicate the role of | |
8018 | * this routine to the kernel as lpfc module exit point. | |
8019 | */ | |
dea3101e JB |
8020 | static void __exit |
8021 | lpfc_exit(void) | |
8022 | { | |
8023 | pci_unregister_driver(&lpfc_driver); | |
8024 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
8025 | if (lpfc_enable_npiv) |
8026 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b JS |
8027 | if (_dump_buf_data) { |
8028 | printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data " | |
8029 | "at 0x%p\n", | |
8030 | (1L << _dump_buf_data_order), _dump_buf_data); | |
8031 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
8032 | } | |
8033 | ||
8034 | if (_dump_buf_dif) { | |
8035 | printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif " | |
8036 | "at 0x%p\n", | |
8037 | (1L << _dump_buf_dif_order), _dump_buf_dif); | |
8038 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
8039 | } | |
dea3101e JB |
8040 | } |
8041 | ||
8042 | module_init(lpfc_init); | |
8043 | module_exit(lpfc_exit); | |
8044 | MODULE_LICENSE("GPL"); | |
8045 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
8046 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
8047 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |