Commit | Line | Data |
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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
e47c9093 | 4 | * Copyright (C) 2004-2008 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
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 | 33 | #include <scsi/scsi_device.h> |
34 | #include <scsi/scsi_host.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
36 | ||
37 | #include "lpfc_hw.h" | |
38 | #include "lpfc_sli.h" | |
ea2151b4 | 39 | #include "lpfc_nl.h" |
dea3101e | 40 | #include "lpfc_disc.h" |
41 | #include "lpfc_scsi.h" | |
42 | #include "lpfc.h" | |
43 | #include "lpfc_logmsg.h" | |
44 | #include "lpfc_crtn.h" | |
92d7f7b0 | 45 | #include "lpfc_vport.h" |
dea3101e | 46 | #include "lpfc_version.h" |
47 | ||
81301a9b JS |
48 | char *_dump_buf_data; |
49 | unsigned long _dump_buf_data_order; | |
50 | char *_dump_buf_dif; | |
51 | unsigned long _dump_buf_dif_order; | |
52 | spinlock_t _dump_buf_lock; | |
53 | ||
74b72a59 | 54 | static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); |
dea3101e | 55 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
56 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
57 | ||
58 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 59 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 60 | static DEFINE_IDR(lpfc_hba_index); |
61 | ||
e59058c4 | 62 | /** |
3621a710 | 63 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
64 | * @phba: pointer to lpfc hba data structure. |
65 | * | |
66 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
67 | * mailbox command. It retrieves the revision information from the HBA and | |
68 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
69 | * configuration of the HBA. | |
70 | * | |
71 | * Return codes: | |
72 | * 0 - success. | |
73 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
74 | * Any other value - indicates an error. | |
75 | **/ | |
dea3101e | 76 | int |
2e0fef85 | 77 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e | 78 | { |
79 | lpfc_vpd_t *vp = &phba->vpd; | |
80 | int i = 0, rc; | |
81 | LPFC_MBOXQ_t *pmb; | |
82 | MAILBOX_t *mb; | |
83 | char *lpfc_vpd_data = NULL; | |
84 | uint16_t offset = 0; | |
85 | static char licensed[56] = | |
86 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 87 | static int init_key = 1; |
dea3101e | 88 | |
89 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
90 | if (!pmb) { | |
2e0fef85 | 91 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 92 | return -ENOMEM; |
93 | } | |
94 | ||
95 | mb = &pmb->mb; | |
2e0fef85 | 96 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 97 | |
98 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
99 | if (init_key) { |
100 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 101 | |
65a29c16 JS |
102 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
103 | *ptext = cpu_to_be32(*ptext); | |
104 | init_key = 0; | |
105 | } | |
dea3101e | 106 | |
107 | lpfc_read_nv(phba, pmb); | |
108 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
109 | sizeof (mb->un.varRDnvp.rsvd3)); | |
110 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
111 | sizeof (licensed)); | |
112 | ||
113 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
114 | ||
115 | if (rc != MBX_SUCCESS) { | |
ed957684 | 116 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 117 | "0324 Config Port initialization " |
dea3101e | 118 | "error, mbxCmd x%x READ_NVPARM, " |
119 | "mbxStatus x%x\n", | |
dea3101e | 120 | mb->mbxCommand, mb->mbxStatus); |
121 | mempool_free(pmb, phba->mbox_mem_pool); | |
122 | return -ERESTART; | |
123 | } | |
124 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
125 | sizeof(phba->wwnn)); |
126 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
127 | sizeof(phba->wwpn)); | |
dea3101e | 128 | } |
129 | ||
92d7f7b0 JS |
130 | phba->sli3_options = 0x0; |
131 | ||
dea3101e | 132 | /* Setup and issue mailbox READ REV command */ |
133 | lpfc_read_rev(phba, pmb); | |
134 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
135 | if (rc != MBX_SUCCESS) { | |
ed957684 | 136 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 137 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 138 | "READ_REV, mbxStatus x%x\n", |
dea3101e | 139 | mb->mbxCommand, mb->mbxStatus); |
140 | mempool_free( pmb, phba->mbox_mem_pool); | |
141 | return -ERESTART; | |
142 | } | |
143 | ||
92d7f7b0 | 144 | |
1de933f3 JSEC |
145 | /* |
146 | * The value of rr must be 1 since the driver set the cv field to 1. | |
147 | * This setting requires the FW to set all revision fields. | |
dea3101e | 148 | */ |
1de933f3 | 149 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 150 | vp->rev.rBit = 0; |
1de933f3 | 151 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
152 | "0440 Adapter failed to init, READ_REV has " |
153 | "missing revision information.\n"); | |
dea3101e | 154 | mempool_free(pmb, phba->mbox_mem_pool); |
155 | return -ERESTART; | |
dea3101e | 156 | } |
157 | ||
495a714c JS |
158 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
159 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 160 | return -EINVAL; |
495a714c | 161 | } |
ed957684 | 162 | |
dea3101e | 163 | /* Save information as VPD data */ |
1de933f3 | 164 | vp->rev.rBit = 1; |
92d7f7b0 | 165 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
166 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
167 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
168 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
169 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e | 170 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
171 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
172 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
173 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
174 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
175 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
176 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
177 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
178 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
179 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
180 | ||
92d7f7b0 JS |
181 | /* If the sli feature level is less then 9, we must |
182 | * tear down all RPIs and VPIs on link down if NPIV | |
183 | * is enabled. | |
184 | */ | |
185 | if (vp->rev.feaLevelHigh < 9) | |
186 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
187 | ||
dea3101e | 188 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
189 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
190 | sizeof (phba->RandomData)); | |
191 | ||
dea3101e | 192 | /* Get adapter VPD information */ |
dea3101e | 193 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
194 | if (!lpfc_vpd_data) | |
d7c255b2 | 195 | goto out_free_mbox; |
dea3101e | 196 | |
197 | do { | |
198 | lpfc_dump_mem(phba, pmb, offset); | |
199 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
200 | ||
201 | if (rc != MBX_SUCCESS) { | |
202 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 203 | "0441 VPD not present on adapter, " |
dea3101e | 204 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 205 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 206 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 207 | } |
74b72a59 JW |
208 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
209 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
210 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
211 | lpfc_vpd_data + offset, | |
92d7f7b0 | 212 | mb->un.varDmp.word_cnt); |
dea3101e | 213 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
214 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
215 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e | 216 | |
217 | kfree(lpfc_vpd_data); | |
dea3101e | 218 | out_free_mbox: |
219 | mempool_free(pmb, phba->mbox_mem_pool); | |
220 | return 0; | |
221 | } | |
222 | ||
e59058c4 | 223 | /** |
3621a710 | 224 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
225 | * @phba: pointer to lpfc hba data structure. |
226 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
227 | * | |
228 | * This is the completion handler for driver's configuring asynchronous event | |
229 | * mailbox command to the device. If the mailbox command returns successfully, | |
230 | * it will set internal async event support flag to 1; otherwise, it will | |
231 | * set internal async event support flag to 0. | |
232 | **/ | |
57127f15 JS |
233 | static void |
234 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
235 | { | |
236 | if (pmboxq->mb.mbxStatus == MBX_SUCCESS) | |
237 | phba->temp_sensor_support = 1; | |
238 | else | |
239 | phba->temp_sensor_support = 0; | |
240 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
241 | return; | |
242 | } | |
243 | ||
97207482 | 244 | /** |
3621a710 | 245 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 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 dump mailbox command for getting | |
250 | * wake up parameters. When this command complete, the response contain | |
251 | * Option rom version of the HBA. This function translate the version number | |
252 | * into a human readable string and store it in OptionROMVersion. | |
253 | **/ | |
254 | static void | |
255 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
256 | { | |
257 | struct prog_id *prg; | |
258 | uint32_t prog_id_word; | |
259 | char dist = ' '; | |
260 | /* character array used for decoding dist type. */ | |
261 | char dist_char[] = "nabx"; | |
262 | ||
9f1e1b50 JS |
263 | if (pmboxq->mb.mbxStatus != MBX_SUCCESS) { |
264 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
97207482 | 265 | return; |
9f1e1b50 | 266 | } |
97207482 JS |
267 | |
268 | prg = (struct prog_id *) &prog_id_word; | |
269 | ||
270 | /* word 7 contain option rom version */ | |
271 | prog_id_word = pmboxq->mb.un.varWords[7]; | |
272 | ||
273 | /* Decode the Option rom version word to a readable string */ | |
274 | if (prg->dist < 4) | |
275 | dist = dist_char[prg->dist]; | |
276 | ||
277 | if ((prg->dist == 3) && (prg->num == 0)) | |
278 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
279 | prg->ver, prg->rev, prg->lev); | |
280 | else | |
281 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
282 | prg->ver, prg->rev, prg->lev, | |
283 | dist, prg->num); | |
9f1e1b50 | 284 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
285 | return; |
286 | } | |
287 | ||
e59058c4 | 288 | /** |
3621a710 | 289 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
290 | * @phba: pointer to lpfc hba data structure. |
291 | * | |
292 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
293 | * command call. It performs all internal resource and state setups on the | |
294 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
295 | * ELS ring timers, etc. | |
296 | * | |
297 | * Return codes | |
298 | * 0 - success. | |
299 | * Any other value - error. | |
300 | **/ | |
dea3101e | 301 | int |
2e0fef85 | 302 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 303 | { |
2e0fef85 | 304 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 305 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 306 | LPFC_MBOXQ_t *pmb; |
307 | MAILBOX_t *mb; | |
308 | struct lpfc_dmabuf *mp; | |
309 | struct lpfc_sli *psli = &phba->sli; | |
310 | uint32_t status, timeout; | |
2e0fef85 JS |
311 | int i, j; |
312 | int rc; | |
dea3101e | 313 | |
7af67051 JS |
314 | spin_lock_irq(&phba->hbalock); |
315 | /* | |
316 | * If the Config port completed correctly the HBA is not | |
317 | * over heated any more. | |
318 | */ | |
319 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
320 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
321 | spin_unlock_irq(&phba->hbalock); | |
322 | ||
dea3101e | 323 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
324 | if (!pmb) { | |
2e0fef85 | 325 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 326 | return -ENOMEM; |
327 | } | |
328 | mb = &pmb->mb; | |
329 | ||
dea3101e | 330 | /* Get login parameters for NID. */ |
92d7f7b0 | 331 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 332 | pmb->vport = vport; |
dea3101e | 333 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 334 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 335 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 336 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 337 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 338 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 339 | mp = (struct lpfc_dmabuf *) pmb->context1; |
340 | mempool_free( pmb, phba->mbox_mem_pool); | |
341 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
342 | kfree(mp); | |
343 | return -EIO; | |
344 | } | |
345 | ||
346 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
347 | ||
2e0fef85 | 348 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e | 349 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
350 | kfree(mp); | |
351 | pmb->context1 = NULL; | |
352 | ||
a12e07bc | 353 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
354 | u64_to_wwn(phba->cfg_soft_wwnn, |
355 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 356 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
357 | u64_to_wwn(phba->cfg_soft_wwpn, |
358 | vport->fc_sparam.portName.u.wwn); | |
359 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 360 | sizeof (struct lpfc_name)); |
2e0fef85 | 361 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e | 362 | sizeof (struct lpfc_name)); |
a257bf90 JS |
363 | |
364 | /* Update the fc_host data structures with new wwn. */ | |
365 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
366 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
367 | ||
dea3101e | 368 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
369 | /* This should be consolidated into parse_vpd ? - mr */ | |
370 | if (phba->SerialNumber[0] == 0) { | |
371 | uint8_t *outptr; | |
372 | ||
2e0fef85 | 373 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e | 374 | for (i = 0; i < 12; i++) { |
375 | status = *outptr++; | |
376 | j = ((status & 0xf0) >> 4); | |
377 | if (j <= 9) | |
378 | phba->SerialNumber[i] = | |
379 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
380 | else | |
381 | phba->SerialNumber[i] = | |
382 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
383 | i++; | |
384 | j = (status & 0xf); | |
385 | if (j <= 9) | |
386 | phba->SerialNumber[i] = | |
387 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
388 | else | |
389 | phba->SerialNumber[i] = | |
390 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
391 | } | |
392 | } | |
393 | ||
dea3101e | 394 | lpfc_read_config(phba, pmb); |
ed957684 | 395 | pmb->vport = vport; |
dea3101e | 396 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 397 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 398 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 399 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 400 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 401 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 402 | mempool_free( pmb, phba->mbox_mem_pool); |
403 | return -EIO; | |
404 | } | |
405 | ||
406 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
407 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
408 | phba->cfg_hba_queue_depth = | |
409 | mb->un.varRdConfig.max_xri + 1; | |
410 | ||
411 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
412 | |
413 | /* Get the default values for Model Name and Description */ | |
414 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
415 | ||
416 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
417 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
418 | && !(phba->lmt & LMT_1Gb)) | |
419 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
420 | && !(phba->lmt & LMT_2Gb)) | |
421 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
422 | && !(phba->lmt & LMT_4Gb)) | |
423 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
424 | && !(phba->lmt & LMT_8Gb)) | |
425 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
426 | && !(phba->lmt & LMT_10Gb))) { | |
427 | /* Reset link speed to auto */ | |
ed957684 | 428 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 429 | "1302 Invalid speed for this board: " |
dea3101e | 430 | "Reset link speed to auto: x%x\n", |
dea3101e | 431 | phba->cfg_link_speed); |
432 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
433 | } | |
434 | ||
2e0fef85 | 435 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 436 | |
0b727fea | 437 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
438 | if (psli->ring[psli->extra_ring].cmdringaddr) |
439 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e | 440 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
441 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
442 | if (psli->ring[psli->next_ring].cmdringaddr) | |
443 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
444 | ||
445 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
446 | if (phba->sli_rev != 3) |
447 | lpfc_post_rcv_buf(phba); | |
dea3101e | 448 | |
9399627f JS |
449 | /* |
450 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
451 | */ | |
452 | if (phba->intr_type == MSIX) { | |
453 | rc = lpfc_config_msi(phba, pmb); | |
454 | if (rc) { | |
455 | mempool_free(pmb, phba->mbox_mem_pool); | |
456 | return -EIO; | |
457 | } | |
458 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
459 | if (rc != MBX_SUCCESS) { | |
460 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
461 | "0352 Config MSI mailbox command " | |
462 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
463 | pmb->mb.mbxCommand, pmb->mb.mbxStatus); | |
464 | mempool_free(pmb, phba->mbox_mem_pool); | |
465 | return -EIO; | |
466 | } | |
467 | } | |
468 | ||
469 | /* Initialize ERATT handling flag */ | |
470 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
471 | ||
dea3101e | 472 | /* Enable appropriate host interrupts */ |
2e0fef85 | 473 | spin_lock_irq(&phba->hbalock); |
dea3101e | 474 | status = readl(phba->HCregaddr); |
475 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
476 | if (psli->num_rings > 0) | |
477 | status |= HC_R0INT_ENA; | |
478 | if (psli->num_rings > 1) | |
479 | status |= HC_R1INT_ENA; | |
480 | if (psli->num_rings > 2) | |
481 | status |= HC_R2INT_ENA; | |
482 | if (psli->num_rings > 3) | |
483 | status |= HC_R3INT_ENA; | |
484 | ||
875fbdfe JSEC |
485 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
486 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 487 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 488 | |
dea3101e | 489 | writel(status, phba->HCregaddr); |
490 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 491 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 492 | |
9399627f JS |
493 | /* Set up ring-0 (ELS) timer */ |
494 | timeout = phba->fc_ratov * 2; | |
2e0fef85 | 495 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
9399627f | 496 | /* Set up heart beat (HB) timer */ |
858c9f6c JS |
497 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
498 | phba->hb_outstanding = 0; | |
499 | phba->last_completion_time = jiffies; | |
9399627f JS |
500 | /* Set up error attention (ERATT) polling timer */ |
501 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
dea3101e | 502 | |
503 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
504 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
5b8bd0c9 | 505 | lpfc_set_loopback_flag(phba); |
d7c255b2 | 506 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
8aee918a | 507 | if (rc != MBX_SUCCESS) { |
ed957684 | 508 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 509 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 510 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e | 511 | mb->mbxCommand, mb->mbxStatus); |
512 | ||
513 | /* Clear all interrupt enable conditions */ | |
514 | writel(0, phba->HCregaddr); | |
515 | readl(phba->HCregaddr); /* flush */ | |
516 | /* Clear all pending interrupts */ | |
517 | writel(0xffffffff, phba->HAregaddr); | |
518 | readl(phba->HAregaddr); /* flush */ | |
519 | ||
2e0fef85 | 520 | phba->link_state = LPFC_HBA_ERROR; |
8aee918a JS |
521 | if (rc != MBX_BUSY) |
522 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 523 | return -EIO; |
524 | } | |
525 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
526 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
527 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
528 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
529 | pmb->vport = phba->pport; | |
530 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 531 | |
57127f15 JS |
532 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
533 | lpfc_printf_log(phba, | |
534 | KERN_ERR, | |
535 | LOG_INIT, | |
536 | "0456 Adapter failed to issue " | |
537 | "ASYNCEVT_ENABLE mbox status x%x \n.", | |
538 | rc); | |
539 | mempool_free(pmb, phba->mbox_mem_pool); | |
540 | } | |
97207482 JS |
541 | |
542 | /* Get Option rom version */ | |
543 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
544 | lpfc_dump_wakeup_param(phba, pmb); | |
545 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
546 | pmb->vport = phba->pport; | |
547 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
548 | ||
549 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
550 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
551 | "to get Option ROM version status x%x\n.", rc); | |
552 | mempool_free(pmb, phba->mbox_mem_pool); | |
553 | } | |
554 | ||
d7c255b2 | 555 | return 0; |
ce8b3ce5 JS |
556 | } |
557 | ||
e59058c4 | 558 | /** |
3621a710 | 559 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
560 | * @phba: pointer to lpfc HBA data structure. |
561 | * | |
562 | * This routine will do LPFC uninitialization before the HBA is reset when | |
563 | * bringing down the SLI Layer. | |
564 | * | |
565 | * Return codes | |
566 | * 0 - success. | |
567 | * Any other value - error. | |
568 | **/ | |
dea3101e | 569 | int |
2e0fef85 | 570 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 571 | { |
1b32f6aa JS |
572 | struct lpfc_vport **vports; |
573 | int i; | |
dea3101e | 574 | /* Disable interrupts */ |
575 | writel(0, phba->HCregaddr); | |
576 | readl(phba->HCregaddr); /* flush */ | |
577 | ||
1b32f6aa JS |
578 | if (phba->pport->load_flag & FC_UNLOADING) |
579 | lpfc_cleanup_discovery_resources(phba->pport); | |
580 | else { | |
581 | vports = lpfc_create_vport_work_array(phba); | |
582 | if (vports != NULL) | |
583 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) | |
584 | lpfc_cleanup_discovery_resources(vports[i]); | |
585 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
586 | } |
587 | return 0; | |
dea3101e | 588 | } |
589 | ||
e59058c4 | 590 | /** |
3621a710 | 591 | * lpfc_hba_down_post - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
592 | * @phba: pointer to lpfc HBA data structure. |
593 | * | |
594 | * This routine will do uninitialization after the HBA is reset when bring | |
595 | * down the SLI Layer. | |
596 | * | |
597 | * Return codes | |
598 | * 0 - sucess. | |
599 | * Any other value - error. | |
600 | **/ | |
41415862 | 601 | int |
2e0fef85 | 602 | lpfc_hba_down_post(struct lpfc_hba *phba) |
41415862 JW |
603 | { |
604 | struct lpfc_sli *psli = &phba->sli; | |
605 | struct lpfc_sli_ring *pring; | |
606 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 607 | LIST_HEAD(completions); |
41415862 JW |
608 | int i; |
609 | ||
92d7f7b0 JS |
610 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
611 | lpfc_sli_hbqbuf_free_all(phba); | |
612 | else { | |
613 | /* Cleanup preposted buffers on the ELS ring */ | |
614 | pring = &psli->ring[LPFC_ELS_RING]; | |
615 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
616 | list_del(&mp->list); | |
617 | pring->postbufq_cnt--; | |
618 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
619 | kfree(mp); | |
620 | } | |
41415862 JW |
621 | } |
622 | ||
09372820 | 623 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
624 | for (i = 0; i < psli->num_rings; i++) { |
625 | pring = &psli->ring[i]; | |
09372820 JS |
626 | |
627 | /* At this point in time the HBA is either reset or DOA. Either | |
628 | * way, nothing should be on txcmplq as it will NEVER complete. | |
629 | */ | |
630 | list_splice_init(&pring->txcmplq, &completions); | |
631 | pring->txcmplq_cnt = 0; | |
632 | spin_unlock_irq(&phba->hbalock); | |
633 | ||
a257bf90 JS |
634 | /* Cancel all the IOCBs from the completions list */ |
635 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
636 | IOERR_SLI_ABORTED); | |
09372820 | 637 | |
41415862 | 638 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 639 | spin_lock_irq(&phba->hbalock); |
41415862 | 640 | } |
09372820 | 641 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
642 | |
643 | return 0; | |
644 | } | |
645 | ||
e59058c4 | 646 | /** |
3621a710 | 647 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
648 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
649 | * | |
650 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
651 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
652 | * work-port-events bitmap and the worker thread is notified. This timeout | |
653 | * event will be used by the worker thread to invoke the actual timeout | |
654 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
655 | * be performed in the timeout handler and the HBA timeout event bit shall | |
656 | * be cleared by the worker thread after it has taken the event bitmap out. | |
657 | **/ | |
a6ababd2 | 658 | static void |
858c9f6c JS |
659 | lpfc_hb_timeout(unsigned long ptr) |
660 | { | |
661 | struct lpfc_hba *phba; | |
5e9d9b82 | 662 | uint32_t tmo_posted; |
858c9f6c JS |
663 | unsigned long iflag; |
664 | ||
665 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
666 | |
667 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 668 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
669 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
670 | if (!tmo_posted) | |
858c9f6c JS |
671 | phba->pport->work_port_events |= WORKER_HB_TMO; |
672 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
673 | ||
9399627f | 674 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
675 | if (!tmo_posted) |
676 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
677 | return; |
678 | } | |
679 | ||
e59058c4 | 680 | /** |
3621a710 | 681 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
682 | * @phba: pointer to lpfc hba data structure. |
683 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
684 | * | |
685 | * This is the callback function to the lpfc heart-beat mailbox command. | |
686 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
687 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
688 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
689 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
690 | * heart-beat outstanding state. Once the mailbox command comes back and | |
691 | * no error conditions detected, the heart-beat mailbox command timer is | |
692 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
693 | * state is cleared for the next heart-beat. If the timer expired with the | |
694 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
695 | **/ | |
858c9f6c JS |
696 | static void |
697 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
698 | { | |
699 | unsigned long drvr_flag; | |
700 | ||
701 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
702 | phba->hb_outstanding = 0; | |
703 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
704 | ||
9399627f | 705 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
706 | mempool_free(pmboxq, phba->mbox_mem_pool); |
707 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
708 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 709 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
710 | mod_timer(&phba->hb_tmofunc, |
711 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
712 | return; | |
713 | } | |
714 | ||
e59058c4 | 715 | /** |
3621a710 | 716 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
717 | * @phba: pointer to lpfc hba data structure. |
718 | * | |
719 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
720 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
721 | * handler performs any periodic operations needed for the device. If such | |
722 | * periodic event has already been attended to either in the interrupt handler | |
723 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
724 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
725 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
726 | * is configured and there is no heart-beat mailbox command outstanding, a | |
727 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
728 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
729 | * to offline. | |
730 | **/ | |
858c9f6c JS |
731 | void |
732 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
733 | { | |
734 | LPFC_MBOXQ_t *pmboxq; | |
0ff10d46 | 735 | struct lpfc_dmabuf *buf_ptr; |
858c9f6c JS |
736 | int retval; |
737 | struct lpfc_sli *psli = &phba->sli; | |
0ff10d46 | 738 | LIST_HEAD(completions); |
858c9f6c JS |
739 | |
740 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
51ef4c26 | 741 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
742 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
743 | return; | |
744 | ||
745 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c JS |
746 | |
747 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
748 | jiffies)) { | |
749 | spin_unlock_irq(&phba->pport->work_port_lock); | |
750 | if (!phba->hb_outstanding) | |
751 | mod_timer(&phba->hb_tmofunc, | |
752 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
753 | else | |
754 | mod_timer(&phba->hb_tmofunc, | |
755 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
756 | return; | |
757 | } | |
758 | spin_unlock_irq(&phba->pport->work_port_lock); | |
759 | ||
0ff10d46 JS |
760 | if (phba->elsbuf_cnt && |
761 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
762 | spin_lock_irq(&phba->hbalock); | |
763 | list_splice_init(&phba->elsbuf, &completions); | |
764 | phba->elsbuf_cnt = 0; | |
765 | phba->elsbuf_prev_cnt = 0; | |
766 | spin_unlock_irq(&phba->hbalock); | |
767 | ||
768 | while (!list_empty(&completions)) { | |
769 | list_remove_head(&completions, buf_ptr, | |
770 | struct lpfc_dmabuf, list); | |
771 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
772 | kfree(buf_ptr); | |
773 | } | |
774 | } | |
775 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
776 | ||
858c9f6c | 777 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
778 | if (phba->cfg_enable_hba_heartbeat) { |
779 | if (!phba->hb_outstanding) { | |
780 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
781 | if (!pmboxq) { | |
782 | mod_timer(&phba->hb_tmofunc, | |
783 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
784 | return; | |
785 | } | |
858c9f6c | 786 | |
13815c83 JS |
787 | lpfc_heart_beat(phba, pmboxq); |
788 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
789 | pmboxq->vport = phba->pport; | |
790 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 791 | |
13815c83 JS |
792 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
793 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
794 | mod_timer(&phba->hb_tmofunc, | |
795 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
796 | return; | |
797 | } | |
858c9f6c | 798 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
799 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
800 | phba->hb_outstanding = 1; | |
858c9f6c | 801 | return; |
13815c83 JS |
802 | } else { |
803 | /* | |
804 | * If heart beat timeout called with hb_outstanding set | |
805 | * we need to take the HBA offline. | |
806 | */ | |
807 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
808 | "0459 Adapter heartbeat failure, " | |
809 | "taking this port offline.\n"); | |
810 | ||
811 | spin_lock_irq(&phba->hbalock); | |
812 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
813 | spin_unlock_irq(&phba->hbalock); | |
814 | ||
815 | lpfc_offline_prep(phba); | |
816 | lpfc_offline(phba); | |
817 | lpfc_unblock_mgmt_io(phba); | |
818 | phba->link_state = LPFC_HBA_ERROR; | |
819 | lpfc_hba_down_post(phba); | |
858c9f6c | 820 | } |
858c9f6c JS |
821 | } |
822 | } | |
823 | ||
e59058c4 | 824 | /** |
3621a710 | 825 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
826 | * @phba: pointer to lpfc hba data structure. |
827 | * | |
828 | * This routine is called to bring the HBA offline when HBA hardware error | |
829 | * other than Port Error 6 has been detected. | |
830 | **/ | |
09372820 JS |
831 | static void |
832 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
833 | { | |
834 | struct lpfc_sli *psli = &phba->sli; | |
835 | ||
836 | spin_lock_irq(&phba->hbalock); | |
837 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
838 | spin_unlock_irq(&phba->hbalock); | |
839 | lpfc_offline_prep(phba); | |
840 | ||
841 | lpfc_offline(phba); | |
842 | lpfc_reset_barrier(phba); | |
843 | lpfc_sli_brdreset(phba); | |
844 | lpfc_hba_down_post(phba); | |
845 | lpfc_sli_brdready(phba, HS_MBRDY); | |
846 | lpfc_unblock_mgmt_io(phba); | |
847 | phba->link_state = LPFC_HBA_ERROR; | |
848 | return; | |
849 | } | |
850 | ||
a257bf90 JS |
851 | /** |
852 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
853 | * @phba: pointer to lpfc hba data structure. | |
854 | * | |
855 | * This routine is invoked to handle the deferred HBA hardware error | |
856 | * conditions. This type of error is indicated by HBA by setting ER1 | |
857 | * and another ER bit in the host status register. The driver will | |
858 | * wait until the ER1 bit clears before handling the error condition. | |
859 | **/ | |
860 | static void | |
861 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
862 | { | |
863 | uint32_t old_host_status = phba->work_hs; | |
864 | struct lpfc_sli_ring *pring; | |
865 | struct lpfc_sli *psli = &phba->sli; | |
866 | ||
867 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
868 | "0479 Deferred Adapter Hardware Error " | |
869 | "Data: x%x x%x x%x\n", | |
870 | phba->work_hs, | |
871 | phba->work_status[0], phba->work_status[1]); | |
872 | ||
873 | spin_lock_irq(&phba->hbalock); | |
874 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
875 | spin_unlock_irq(&phba->hbalock); | |
876 | ||
877 | ||
878 | /* | |
879 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
880 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
881 | * SCSI layer retry it after re-establishing link. | |
882 | */ | |
883 | pring = &psli->ring[psli->fcp_ring]; | |
884 | lpfc_sli_abort_iocb_ring(phba, pring); | |
885 | ||
886 | /* | |
887 | * There was a firmware error. Take the hba offline and then | |
888 | * attempt to restart it. | |
889 | */ | |
890 | lpfc_offline_prep(phba); | |
891 | lpfc_offline(phba); | |
892 | ||
893 | /* Wait for the ER1 bit to clear.*/ | |
894 | while (phba->work_hs & HS_FFER1) { | |
895 | msleep(100); | |
896 | phba->work_hs = readl(phba->HSregaddr); | |
897 | /* If driver is unloading let the worker thread continue */ | |
898 | if (phba->pport->load_flag & FC_UNLOADING) { | |
899 | phba->work_hs = 0; | |
900 | break; | |
901 | } | |
902 | } | |
903 | ||
904 | /* | |
905 | * This is to ptrotect against a race condition in which | |
906 | * first write to the host attention register clear the | |
907 | * host status register. | |
908 | */ | |
909 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
910 | phba->work_hs = old_host_status & ~HS_FFER1; | |
911 | ||
912 | phba->hba_flag &= ~DEFER_ERATT; | |
913 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); | |
914 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
915 | } | |
916 | ||
e59058c4 | 917 | /** |
3621a710 | 918 | * lpfc_handle_eratt - The HBA hardware error handler |
e59058c4 JS |
919 | * @phba: pointer to lpfc hba data structure. |
920 | * | |
921 | * This routine is invoked to handle the following HBA hardware error | |
922 | * conditions: | |
923 | * 1 - HBA error attention interrupt | |
924 | * 2 - DMA ring index out of range | |
925 | * 3 - Mailbox command came back as unknown | |
926 | **/ | |
dea3101e | 927 | void |
2e0fef85 | 928 | lpfc_handle_eratt(struct lpfc_hba *phba) |
dea3101e | 929 | { |
2e0fef85 | 930 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 931 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 932 | struct lpfc_sli_ring *pring; |
d2873e4c | 933 | uint32_t event_data; |
57127f15 JS |
934 | unsigned long temperature; |
935 | struct temp_event temp_event_data; | |
92d7f7b0 | 936 | struct Scsi_Host *shost; |
ea2151b4 | 937 | struct lpfc_board_event_header board_event; |
2e0fef85 | 938 | |
8d63f375 LV |
939 | /* If the pci channel is offline, ignore possible errors, |
940 | * since we cannot communicate with the pci card anyway. */ | |
941 | if (pci_channel_offline(phba->pcidev)) | |
942 | return; | |
13815c83 JS |
943 | /* If resets are disabled then leave the HBA alone and return */ |
944 | if (!phba->cfg_enable_hba_reset) | |
945 | return; | |
dea3101e | 946 | |
ea2151b4 JS |
947 | /* Send an internal error event to mgmt application */ |
948 | board_event.event_type = FC_REG_BOARD_EVENT; | |
949 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
950 | shost = lpfc_shost_from_vport(phba->pport); | |
951 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
952 | sizeof(board_event), | |
953 | (char *) &board_event, | |
ddcc50f0 | 954 | LPFC_NL_VENDOR_ID); |
ea2151b4 | 955 | |
a257bf90 JS |
956 | if (phba->hba_flag & DEFER_ERATT) |
957 | lpfc_handle_deferred_eratt(phba); | |
958 | ||
97eab634 | 959 | if (phba->work_hs & HS_FFER6) { |
dea3101e | 960 | /* Re-establishing Link */ |
961 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 962 | "1301 Re-establishing Link " |
dea3101e | 963 | "Data: x%x x%x x%x\n", |
e8b62011 | 964 | phba->work_hs, |
dea3101e | 965 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 966 | |
92d7f7b0 | 967 | spin_lock_irq(&phba->hbalock); |
9290831f | 968 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 969 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 970 | |
971 | /* | |
972 | * Firmware stops when it triggled erratt with HS_FFER6. | |
973 | * That could cause the I/Os dropped by the firmware. | |
974 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
975 | * retry it after re-establishing link. | |
976 | */ | |
977 | pring = &psli->ring[psli->fcp_ring]; | |
978 | lpfc_sli_abort_iocb_ring(phba, pring); | |
979 | ||
dea3101e | 980 | /* |
981 | * There was a firmware error. Take the hba offline and then | |
982 | * attempt to restart it. | |
983 | */ | |
46fa311e | 984 | lpfc_offline_prep(phba); |
dea3101e | 985 | lpfc_offline(phba); |
41415862 | 986 | lpfc_sli_brdrestart(phba); |
dea3101e | 987 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 988 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 989 | return; |
990 | } | |
46fa311e | 991 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
992 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
993 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
994 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
995 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
996 | temp_event_data.data = (uint32_t)temperature; | |
997 | ||
998 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 999 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1000 | "(%ld), taking this port offline " |
1001 | "Data: x%x x%x x%x\n", | |
1002 | temperature, phba->work_hs, | |
1003 | phba->work_status[0], phba->work_status[1]); | |
1004 | ||
1005 | shost = lpfc_shost_from_vport(phba->pport); | |
1006 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1007 | sizeof(temp_event_data), | |
1008 | (char *) &temp_event_data, | |
1009 | SCSI_NL_VID_TYPE_PCI | |
1010 | | PCI_VENDOR_ID_EMULEX); | |
1011 | ||
7af67051 | 1012 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1013 | phba->over_temp_state = HBA_OVER_TEMP; |
1014 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1015 | lpfc_offline_eratt(phba); |
57127f15 | 1016 | |
dea3101e | 1017 | } else { |
1018 | /* The if clause above forces this code path when the status | |
9399627f JS |
1019 | * failure is a value other than FFER6. Do not call the offline |
1020 | * twice. This is the adapter hardware error path. | |
dea3101e | 1021 | */ |
1022 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1023 | "0457 Adapter Hardware Error " |
dea3101e | 1024 | "Data: x%x x%x x%x\n", |
e8b62011 | 1025 | phba->work_hs, |
dea3101e | 1026 | phba->work_status[0], phba->work_status[1]); |
1027 | ||
d2873e4c | 1028 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1029 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1030 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1031 | sizeof(event_data), (char *) &event_data, |
1032 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1033 | ||
09372820 | 1034 | lpfc_offline_eratt(phba); |
dea3101e | 1035 | } |
9399627f | 1036 | return; |
dea3101e | 1037 | } |
1038 | ||
e59058c4 | 1039 | /** |
3621a710 | 1040 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1041 | * @phba: pointer to lpfc hba data structure. |
1042 | * | |
1043 | * This routine is invoked from the worker thread to handle a HBA host | |
1044 | * attention link event. | |
1045 | **/ | |
dea3101e | 1046 | void |
2e0fef85 | 1047 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1048 | { |
2e0fef85 JS |
1049 | struct lpfc_vport *vport = phba->pport; |
1050 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e | 1051 | LPFC_MBOXQ_t *pmb; |
1052 | volatile uint32_t control; | |
1053 | struct lpfc_dmabuf *mp; | |
09372820 | 1054 | int rc = 0; |
dea3101e | 1055 | |
1056 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1057 | if (!pmb) { |
1058 | rc = 1; | |
dea3101e | 1059 | goto lpfc_handle_latt_err_exit; |
09372820 | 1060 | } |
dea3101e | 1061 | |
1062 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1063 | if (!mp) { |
1064 | rc = 2; | |
dea3101e | 1065 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1066 | } |
dea3101e | 1067 | |
1068 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1069 | if (!mp->virt) { |
1070 | rc = 3; | |
dea3101e | 1071 | goto lpfc_handle_latt_free_mp; |
09372820 | 1072 | } |
dea3101e | 1073 | |
6281bfe0 | 1074 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1075 | lpfc_els_flush_all_cmd(phba); |
dea3101e | 1076 | |
1077 | psli->slistat.link_event++; | |
1078 | lpfc_read_la(phba, pmb, mp); | |
1079 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 1080 | pmb->vport = vport; |
0d2b6b83 JS |
1081 | /* Block ELS IOCBs until we have processed this mbox command */ |
1082 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1083 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1084 | if (rc == MBX_NOT_FINISHED) { |
1085 | rc = 4; | |
14691150 | 1086 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1087 | } |
dea3101e | 1088 | |
1089 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1090 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1091 | writel(HA_LATT, phba->HAregaddr); |
1092 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1093 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1094 | |
1095 | return; | |
1096 | ||
14691150 | 1097 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1098 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1099 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1100 | lpfc_handle_latt_free_mp: |
1101 | kfree(mp); | |
1102 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1103 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1104 | lpfc_handle_latt_err_exit: |
1105 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1106 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1107 | psli->sli_flag |= LPFC_PROCESS_LA; |
1108 | control = readl(phba->HCregaddr); | |
1109 | control |= HC_LAINT_ENA; | |
1110 | writel(control, phba->HCregaddr); | |
1111 | readl(phba->HCregaddr); /* flush */ | |
1112 | ||
1113 | /* Clear Link Attention in HA REG */ | |
1114 | writel(HA_LATT, phba->HAregaddr); | |
1115 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1116 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1117 | lpfc_linkdown(phba); |
2e0fef85 | 1118 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1119 | |
09372820 JS |
1120 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1121 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e | 1122 | |
1123 | return; | |
1124 | } | |
1125 | ||
e59058c4 | 1126 | /** |
3621a710 | 1127 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1128 | * @phba: pointer to lpfc hba data structure. |
1129 | * @vpd: pointer to the vital product data. | |
1130 | * @len: length of the vital product data in bytes. | |
1131 | * | |
1132 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1133 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1134 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1135 | * | |
1136 | * Return codes | |
1137 | * 0 - pointer to the VPD passed in is NULL | |
1138 | * 1 - success | |
1139 | **/ | |
dea3101e | 1140 | static int |
2e0fef85 | 1141 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e | 1142 | { |
1143 | uint8_t lenlo, lenhi; | |
07da60c1 | 1144 | int Length; |
dea3101e | 1145 | int i, j; |
1146 | int finished = 0; | |
1147 | int index = 0; | |
1148 | ||
1149 | if (!vpd) | |
1150 | return 0; | |
1151 | ||
1152 | /* Vital Product */ | |
ed957684 | 1153 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1154 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e | 1155 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1156 | (uint32_t) vpd[3]); | |
74b72a59 | 1157 | while (!finished && (index < (len - 4))) { |
dea3101e | 1158 | switch (vpd[index]) { |
1159 | case 0x82: | |
74b72a59 | 1160 | case 0x91: |
dea3101e | 1161 | index += 1; |
1162 | lenlo = vpd[index]; | |
1163 | index += 1; | |
1164 | lenhi = vpd[index]; | |
1165 | index += 1; | |
1166 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1167 | index += i; | |
1168 | break; | |
1169 | case 0x90: | |
1170 | index += 1; | |
1171 | lenlo = vpd[index]; | |
1172 | index += 1; | |
1173 | lenhi = vpd[index]; | |
1174 | index += 1; | |
1175 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1176 | if (Length > len - index) |
1177 | Length = len - index; | |
dea3101e | 1178 | while (Length > 0) { |
1179 | /* Look for Serial Number */ | |
1180 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1181 | index += 2; | |
1182 | i = vpd[index]; | |
1183 | index += 1; | |
1184 | j = 0; | |
1185 | Length -= (3+i); | |
1186 | while(i--) { | |
1187 | phba->SerialNumber[j++] = vpd[index++]; | |
1188 | if (j == 31) | |
1189 | break; | |
1190 | } | |
1191 | phba->SerialNumber[j] = 0; | |
1192 | continue; | |
1193 | } | |
1194 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1195 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1196 | index += 2; | |
1197 | i = vpd[index]; | |
1198 | index += 1; | |
1199 | j = 0; | |
1200 | Length -= (3+i); | |
1201 | while(i--) { | |
1202 | phba->ModelDesc[j++] = vpd[index++]; | |
1203 | if (j == 255) | |
1204 | break; | |
1205 | } | |
1206 | phba->ModelDesc[j] = 0; | |
1207 | continue; | |
1208 | } | |
1209 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1210 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1211 | index += 2; | |
1212 | i = vpd[index]; | |
1213 | index += 1; | |
1214 | j = 0; | |
1215 | Length -= (3+i); | |
1216 | while(i--) { | |
1217 | phba->ModelName[j++] = vpd[index++]; | |
1218 | if (j == 79) | |
1219 | break; | |
1220 | } | |
1221 | phba->ModelName[j] = 0; | |
1222 | continue; | |
1223 | } | |
1224 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1225 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1226 | index += 2; | |
1227 | i = vpd[index]; | |
1228 | index += 1; | |
1229 | j = 0; | |
1230 | Length -= (3+i); | |
1231 | while(i--) { | |
1232 | phba->ProgramType[j++] = vpd[index++]; | |
1233 | if (j == 255) | |
1234 | break; | |
1235 | } | |
1236 | phba->ProgramType[j] = 0; | |
1237 | continue; | |
1238 | } | |
1239 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1240 | phba->vpd_flag |= VPD_PORT; | |
1241 | index += 2; | |
1242 | i = vpd[index]; | |
1243 | index += 1; | |
1244 | j = 0; | |
1245 | Length -= (3+i); | |
1246 | while(i--) { | |
1247 | phba->Port[j++] = vpd[index++]; | |
1248 | if (j == 19) | |
1249 | break; | |
1250 | } | |
1251 | phba->Port[j] = 0; | |
1252 | continue; | |
1253 | } | |
1254 | else { | |
1255 | index += 2; | |
1256 | i = vpd[index]; | |
1257 | index += 1; | |
1258 | index += i; | |
1259 | Length -= (3 + i); | |
1260 | } | |
1261 | } | |
1262 | finished = 0; | |
1263 | break; | |
1264 | case 0x78: | |
1265 | finished = 1; | |
1266 | break; | |
1267 | default: | |
1268 | index ++; | |
1269 | break; | |
1270 | } | |
74b72a59 | 1271 | } |
dea3101e | 1272 | |
1273 | return(1); | |
1274 | } | |
1275 | ||
e59058c4 | 1276 | /** |
3621a710 | 1277 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1278 | * @phba: pointer to lpfc hba data structure. |
1279 | * @mdp: pointer to the data structure to hold the derived model name. | |
1280 | * @descp: pointer to the data structure to hold the derived description. | |
1281 | * | |
1282 | * This routine retrieves HBA's description based on its registered PCI device | |
1283 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1284 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1285 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1286 | * function returns, the @mdp will be filled with the model name. | |
1287 | **/ | |
dea3101e | 1288 | static void |
2e0fef85 | 1289 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e | 1290 | { |
1291 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1292 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1293 | int max_speed; |
84774a4d | 1294 | int GE = 0; |
74b72a59 JW |
1295 | struct { |
1296 | char * name; | |
1297 | int max_speed; | |
74b72a59 | 1298 | char * bus; |
18a3b596 | 1299 | } m = {"<Unknown>", 0, ""}; |
74b72a59 JW |
1300 | |
1301 | if (mdp && mdp[0] != '\0' | |
1302 | && descp && descp[0] != '\0') | |
1303 | return; | |
1304 | ||
1305 | if (phba->lmt & LMT_10Gb) | |
1306 | max_speed = 10; | |
1307 | else if (phba->lmt & LMT_8Gb) | |
1308 | max_speed = 8; | |
1309 | else if (phba->lmt & LMT_4Gb) | |
1310 | max_speed = 4; | |
1311 | else if (phba->lmt & LMT_2Gb) | |
1312 | max_speed = 2; | |
1313 | else | |
1314 | max_speed = 1; | |
dea3101e | 1315 | |
1316 | vp = &phba->vpd; | |
dea3101e | 1317 | |
e4adb204 | 1318 | switch (dev_id) { |
06325e74 | 1319 | case PCI_DEVICE_ID_FIREFLY: |
18a3b596 | 1320 | m = (typeof(m)){"LP6000", max_speed, "PCI"}; |
06325e74 | 1321 | break; |
dea3101e | 1322 | case PCI_DEVICE_ID_SUPERFLY: |
1323 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
18a3b596 | 1324 | m = (typeof(m)){"LP7000", max_speed, "PCI"}; |
dea3101e | 1325 | else |
18a3b596 | 1326 | m = (typeof(m)){"LP7000E", max_speed, "PCI"}; |
dea3101e | 1327 | break; |
1328 | case PCI_DEVICE_ID_DRAGONFLY: | |
18a3b596 | 1329 | m = (typeof(m)){"LP8000", max_speed, "PCI"}; |
dea3101e | 1330 | break; |
1331 | case PCI_DEVICE_ID_CENTAUR: | |
1332 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
18a3b596 | 1333 | m = (typeof(m)){"LP9002", max_speed, "PCI"}; |
dea3101e | 1334 | else |
18a3b596 | 1335 | m = (typeof(m)){"LP9000", max_speed, "PCI"}; |
dea3101e | 1336 | break; |
1337 | case PCI_DEVICE_ID_RFLY: | |
18a3b596 | 1338 | m = (typeof(m)){"LP952", max_speed, "PCI"}; |
dea3101e | 1339 | break; |
1340 | case PCI_DEVICE_ID_PEGASUS: | |
18a3b596 | 1341 | m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; |
dea3101e | 1342 | break; |
1343 | case PCI_DEVICE_ID_THOR: | |
18a3b596 | 1344 | m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; |
dea3101e | 1345 | break; |
1346 | case PCI_DEVICE_ID_VIPER: | |
18a3b596 | 1347 | m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; |
dea3101e | 1348 | break; |
1349 | case PCI_DEVICE_ID_PFLY: | |
18a3b596 | 1350 | m = (typeof(m)){"LP982", max_speed, "PCI-X"}; |
dea3101e | 1351 | break; |
1352 | case PCI_DEVICE_ID_TFLY: | |
18a3b596 | 1353 | m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; |
dea3101e | 1354 | break; |
1355 | case PCI_DEVICE_ID_HELIOS: | |
18a3b596 | 1356 | m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; |
dea3101e | 1357 | break; |
e4adb204 | 1358 | case PCI_DEVICE_ID_HELIOS_SCSP: |
18a3b596 | 1359 | m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1360 | break; |
1361 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
18a3b596 | 1362 | m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1363 | break; |
1364 | case PCI_DEVICE_ID_NEPTUNE: | |
18a3b596 | 1365 | m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1366 | break; |
1367 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
18a3b596 | 1368 | m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; |
e4adb204 JSEC |
1369 | break; |
1370 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
18a3b596 | 1371 | m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; |
e4adb204 | 1372 | break; |
dea3101e | 1373 | case PCI_DEVICE_ID_BMID: |
18a3b596 | 1374 | m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; |
dea3101e | 1375 | break; |
1376 | case PCI_DEVICE_ID_BSMB: | |
18a3b596 | 1377 | m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; |
dea3101e | 1378 | break; |
1379 | case PCI_DEVICE_ID_ZEPHYR: | |
18a3b596 | 1380 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
dea3101e | 1381 | break; |
e4adb204 | 1382 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
18a3b596 | 1383 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1384 | break; |
1385 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a257bf90 JS |
1386 | m = (typeof(m)){"LP2105", max_speed, "PCIe"}; |
1387 | GE = 1; | |
e4adb204 | 1388 | break; |
dea3101e | 1389 | case PCI_DEVICE_ID_ZMID: |
18a3b596 | 1390 | m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; |
dea3101e | 1391 | break; |
1392 | case PCI_DEVICE_ID_ZSMB: | |
18a3b596 | 1393 | m = (typeof(m)){"LPe111", max_speed, "PCIe"}; |
dea3101e | 1394 | break; |
1395 | case PCI_DEVICE_ID_LP101: | |
18a3b596 | 1396 | m = (typeof(m)){"LP101", max_speed, "PCI-X"}; |
dea3101e | 1397 | break; |
1398 | case PCI_DEVICE_ID_LP10000S: | |
18a3b596 | 1399 | m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; |
06325e74 | 1400 | break; |
e4adb204 | 1401 | case PCI_DEVICE_ID_LP11000S: |
18a3b596 JS |
1402 | m = (typeof(m)){"LP11000-S", max_speed, |
1403 | "PCI-X2"}; | |
1404 | break; | |
e4adb204 | 1405 | case PCI_DEVICE_ID_LPE11000S: |
18a3b596 JS |
1406 | m = (typeof(m)){"LPe11000-S", max_speed, |
1407 | "PCIe"}; | |
5cc36b3c | 1408 | break; |
b87eab38 JS |
1409 | case PCI_DEVICE_ID_SAT: |
1410 | m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; | |
1411 | break; | |
1412 | case PCI_DEVICE_ID_SAT_MID: | |
1413 | m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; | |
1414 | break; | |
1415 | case PCI_DEVICE_ID_SAT_SMB: | |
1416 | m = (typeof(m)){"LPe121", max_speed, "PCIe"}; | |
1417 | break; | |
1418 | case PCI_DEVICE_ID_SAT_DCSP: | |
1419 | m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; | |
1420 | break; | |
1421 | case PCI_DEVICE_ID_SAT_SCSP: | |
1422 | m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; | |
1423 | break; | |
1424 | case PCI_DEVICE_ID_SAT_S: | |
1425 | m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; | |
1426 | break; | |
84774a4d JS |
1427 | case PCI_DEVICE_ID_HORNET: |
1428 | m = (typeof(m)){"LP21000", max_speed, "PCIe"}; | |
1429 | GE = 1; | |
1430 | break; | |
1431 | case PCI_DEVICE_ID_PROTEUS_VF: | |
1432 | m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; | |
1433 | break; | |
1434 | case PCI_DEVICE_ID_PROTEUS_PF: | |
1435 | m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; | |
1436 | break; | |
1437 | case PCI_DEVICE_ID_PROTEUS_S: | |
1438 | m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"}; | |
1439 | break; | |
5cc36b3c | 1440 | default: |
041976fb | 1441 | m = (typeof(m)){ NULL }; |
e4adb204 | 1442 | break; |
dea3101e | 1443 | } |
74b72a59 JW |
1444 | |
1445 | if (mdp && mdp[0] == '\0') | |
1446 | snprintf(mdp, 79,"%s", m.name); | |
1447 | if (descp && descp[0] == '\0') | |
1448 | snprintf(descp, 255, | |
84774a4d JS |
1449 | "Emulex %s %d%s %s %s", |
1450 | m.name, m.max_speed, | |
1451 | (GE) ? "GE" : "Gb", | |
1452 | m.bus, | |
1453 | (GE) ? "FCoE Adapter" : "Fibre Channel Adapter"); | |
dea3101e | 1454 | } |
1455 | ||
e59058c4 | 1456 | /** |
3621a710 | 1457 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
1458 | * @phba: pointer to lpfc hba data structure. |
1459 | * @pring: pointer to a IOCB ring. | |
1460 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
1461 | * | |
1462 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
1463 | * descriptors specified by the cnt argument to the given IOCB ring. | |
1464 | * | |
1465 | * Return codes | |
1466 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
1467 | **/ | |
dea3101e | 1468 | int |
495a714c | 1469 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e | 1470 | { |
1471 | IOCB_t *icmd; | |
0bd4ca25 | 1472 | struct lpfc_iocbq *iocb; |
dea3101e | 1473 | struct lpfc_dmabuf *mp1, *mp2; |
1474 | ||
1475 | cnt += pring->missbufcnt; | |
1476 | ||
1477 | /* While there are buffers to post */ | |
1478 | while (cnt > 0) { | |
1479 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1480 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 1481 | if (iocb == NULL) { |
1482 | pring->missbufcnt = cnt; | |
1483 | return cnt; | |
1484 | } | |
dea3101e | 1485 | icmd = &iocb->iocb; |
1486 | ||
1487 | /* 2 buffers can be posted per command */ | |
1488 | /* Allocate buffer to post */ | |
1489 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1490 | if (mp1) | |
98c9ea5c JS |
1491 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1492 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1493 | kfree(mp1); |
604a3e30 | 1494 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1495 | pring->missbufcnt = cnt; |
1496 | return cnt; | |
1497 | } | |
1498 | ||
1499 | INIT_LIST_HEAD(&mp1->list); | |
1500 | /* Allocate buffer to post */ | |
1501 | if (cnt > 1) { | |
1502 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1503 | if (mp2) | |
1504 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1505 | &mp2->phys); | |
98c9ea5c | 1506 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1507 | kfree(mp2); |
dea3101e | 1508 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1509 | kfree(mp1); | |
604a3e30 | 1510 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1511 | pring->missbufcnt = cnt; |
1512 | return cnt; | |
1513 | } | |
1514 | ||
1515 | INIT_LIST_HEAD(&mp2->list); | |
1516 | } else { | |
1517 | mp2 = NULL; | |
1518 | } | |
1519 | ||
1520 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1521 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1522 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1523 | icmd->ulpBdeCount = 1; | |
1524 | cnt--; | |
1525 | if (mp2) { | |
1526 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1527 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1528 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1529 | cnt--; | |
1530 | icmd->ulpBdeCount = 2; | |
1531 | } | |
1532 | ||
1533 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1534 | icmd->ulpLe = 1; | |
1535 | ||
dea3101e | 1536 | if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { |
1537 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
1538 | kfree(mp1); | |
1539 | cnt++; | |
1540 | if (mp2) { | |
1541 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1542 | kfree(mp2); | |
1543 | cnt++; | |
1544 | } | |
604a3e30 | 1545 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1546 | pring->missbufcnt = cnt; |
dea3101e | 1547 | return cnt; |
1548 | } | |
dea3101e | 1549 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1550 | if (mp2) |
dea3101e | 1551 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e | 1552 | } |
1553 | pring->missbufcnt = 0; | |
1554 | return 0; | |
1555 | } | |
1556 | ||
e59058c4 | 1557 | /** |
3621a710 | 1558 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
1559 | * @phba: pointer to lpfc hba data structure. |
1560 | * | |
1561 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
1562 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
1563 | * set to 64 IOCBs. | |
1564 | * | |
1565 | * Return codes | |
1566 | * 0 - success (currently always success) | |
1567 | **/ | |
dea3101e | 1568 | static int |
2e0fef85 | 1569 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e | 1570 | { |
1571 | struct lpfc_sli *psli = &phba->sli; | |
1572 | ||
1573 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 1574 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e | 1575 | /* Ring 2 - FCP no buffers needed */ |
1576 | ||
1577 | return 0; | |
1578 | } | |
1579 | ||
1580 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1581 | ||
e59058c4 | 1582 | /** |
3621a710 | 1583 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
1584 | * @HashResultPointer: pointer to an array as hash table. |
1585 | * | |
1586 | * This routine sets up the initial values to the array of hash table entries | |
1587 | * for the LC HBAs. | |
1588 | **/ | |
dea3101e | 1589 | static void |
1590 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1591 | { | |
1592 | HashResultPointer[0] = 0x67452301; | |
1593 | HashResultPointer[1] = 0xEFCDAB89; | |
1594 | HashResultPointer[2] = 0x98BADCFE; | |
1595 | HashResultPointer[3] = 0x10325476; | |
1596 | HashResultPointer[4] = 0xC3D2E1F0; | |
1597 | } | |
1598 | ||
e59058c4 | 1599 | /** |
3621a710 | 1600 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
1601 | * @HashResultPointer: pointer to an initial/result hash table. |
1602 | * @HashWorkingPointer: pointer to an working hash table. | |
1603 | * | |
1604 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
1605 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
1606 | * The results are putting back to the initial hash table, returned through | |
1607 | * the @HashResultPointer as the result hash table. | |
1608 | **/ | |
dea3101e | 1609 | static void |
1610 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1611 | { | |
1612 | int t; | |
1613 | uint32_t TEMP; | |
1614 | uint32_t A, B, C, D, E; | |
1615 | t = 16; | |
1616 | do { | |
1617 | HashWorkingPointer[t] = | |
1618 | S(1, | |
1619 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1620 | 8] ^ | |
1621 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1622 | } while (++t <= 79); | |
1623 | t = 0; | |
1624 | A = HashResultPointer[0]; | |
1625 | B = HashResultPointer[1]; | |
1626 | C = HashResultPointer[2]; | |
1627 | D = HashResultPointer[3]; | |
1628 | E = HashResultPointer[4]; | |
1629 | ||
1630 | do { | |
1631 | if (t < 20) { | |
1632 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1633 | } else if (t < 40) { | |
1634 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1635 | } else if (t < 60) { | |
1636 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1637 | } else { | |
1638 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1639 | } | |
1640 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1641 | E = D; | |
1642 | D = C; | |
1643 | C = S(30, B); | |
1644 | B = A; | |
1645 | A = TEMP; | |
1646 | } while (++t <= 79); | |
1647 | ||
1648 | HashResultPointer[0] += A; | |
1649 | HashResultPointer[1] += B; | |
1650 | HashResultPointer[2] += C; | |
1651 | HashResultPointer[3] += D; | |
1652 | HashResultPointer[4] += E; | |
1653 | ||
1654 | } | |
1655 | ||
e59058c4 | 1656 | /** |
3621a710 | 1657 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
1658 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
1659 | * @HashWorking: pointer to the entry of the working hash array. | |
1660 | * | |
1661 | * This routine calculates the working hash array referred by @HashWorking | |
1662 | * from the challenge random numbers associated with the host, referred by | |
1663 | * @RandomChallenge. The result is put into the entry of the working hash | |
1664 | * array and returned by reference through @HashWorking. | |
1665 | **/ | |
dea3101e | 1666 | static void |
1667 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1668 | { | |
1669 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1670 | } | |
1671 | ||
e59058c4 | 1672 | /** |
3621a710 | 1673 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
1674 | * @phba: pointer to lpfc hba data structure. |
1675 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
1676 | * | |
1677 | * This routine performs the special handling for LC HBA initialization. | |
1678 | **/ | |
dea3101e | 1679 | void |
1680 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1681 | { | |
1682 | int t; | |
1683 | uint32_t *HashWorking; | |
2e0fef85 | 1684 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1685 | |
bbfbbbc1 | 1686 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e | 1687 | if (!HashWorking) |
1688 | return; | |
1689 | ||
dea3101e | 1690 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1691 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1692 | ||
1693 | for (t = 0; t < 7; t++) | |
1694 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1695 | ||
1696 | lpfc_sha_init(hbainit); | |
1697 | lpfc_sha_iterate(hbainit, HashWorking); | |
1698 | kfree(HashWorking); | |
1699 | } | |
1700 | ||
e59058c4 | 1701 | /** |
3621a710 | 1702 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
1703 | * @vport: pointer to a virtual N_Port data structure. |
1704 | * | |
1705 | * This routine performs the necessary cleanups before deleting the @vport. | |
1706 | * It invokes the discovery state machine to perform necessary state | |
1707 | * transitions and to release the ndlps associated with the @vport. Note, | |
1708 | * the physical port is treated as @vport 0. | |
1709 | **/ | |
87af33fe | 1710 | void |
2e0fef85 | 1711 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1712 | { |
87af33fe | 1713 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1714 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1715 | int i = 0; |
dea3101e | 1716 | |
87af33fe JS |
1717 | if (phba->link_state > LPFC_LINK_DOWN) |
1718 | lpfc_port_link_failure(vport); | |
1719 | ||
1720 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1721 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1722 | ndlp = lpfc_enable_node(vport, ndlp, | |
1723 | NLP_STE_UNUSED_NODE); | |
1724 | if (!ndlp) | |
1725 | continue; | |
1726 | spin_lock_irq(&phba->ndlp_lock); | |
1727 | NLP_SET_FREE_REQ(ndlp); | |
1728 | spin_unlock_irq(&phba->ndlp_lock); | |
1729 | /* Trigger the release of the ndlp memory */ | |
1730 | lpfc_nlp_put(ndlp); | |
1731 | continue; | |
1732 | } | |
1733 | spin_lock_irq(&phba->ndlp_lock); | |
1734 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
1735 | /* The ndlp should not be in memory free mode already */ | |
1736 | spin_unlock_irq(&phba->ndlp_lock); | |
1737 | continue; | |
1738 | } else | |
1739 | /* Indicate request for freeing ndlp memory */ | |
1740 | NLP_SET_FREE_REQ(ndlp); | |
1741 | spin_unlock_irq(&phba->ndlp_lock); | |
1742 | ||
58da1ffb JS |
1743 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
1744 | ndlp->nlp_DID == Fabric_DID) { | |
1745 | /* Just free up ndlp with Fabric_DID for vports */ | |
1746 | lpfc_nlp_put(ndlp); | |
1747 | continue; | |
1748 | } | |
1749 | ||
87af33fe JS |
1750 | if (ndlp->nlp_type & NLP_FABRIC) |
1751 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
1752 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 1753 | |
87af33fe JS |
1754 | lpfc_disc_state_machine(vport, ndlp, NULL, |
1755 | NLP_EVT_DEVICE_RM); | |
495a714c | 1756 | |
87af33fe JS |
1757 | } |
1758 | ||
a8adb832 JS |
1759 | /* At this point, ALL ndlp's should be gone |
1760 | * because of the previous NLP_EVT_DEVICE_RM. | |
1761 | * Lets wait for this to happen, if needed. | |
1762 | */ | |
87af33fe JS |
1763 | while (!list_empty(&vport->fc_nodes)) { |
1764 | ||
a8adb832 | 1765 | if (i++ > 3000) { |
87af33fe | 1766 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 1767 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
1768 | list_for_each_entry_safe(ndlp, next_ndlp, |
1769 | &vport->fc_nodes, nlp_listp) { | |
1770 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
1771 | LOG_NODE, | |
d7c255b2 | 1772 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
1773 | "usgmap:x%x refcnt:%d\n", |
1774 | ndlp->nlp_DID, (void *)ndlp, | |
1775 | ndlp->nlp_usg_map, | |
1776 | atomic_read( | |
1777 | &ndlp->kref.refcount)); | |
1778 | } | |
a8adb832 | 1779 | break; |
87af33fe | 1780 | } |
a8adb832 JS |
1781 | |
1782 | /* Wait for any activity on ndlps to settle */ | |
1783 | msleep(10); | |
87af33fe | 1784 | } |
dea3101e | 1785 | return; |
1786 | } | |
1787 | ||
e59058c4 | 1788 | /** |
3621a710 | 1789 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
1790 | * @vport: pointer to a virtual N_Port data structure. |
1791 | * | |
1792 | * This routine stops all the timers associated with a @vport. This function | |
1793 | * is invoked before disabling or deleting a @vport. Note that the physical | |
1794 | * port is treated as @vport 0. | |
1795 | **/ | |
92d7f7b0 JS |
1796 | void |
1797 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 1798 | { |
92d7f7b0 JS |
1799 | del_timer_sync(&vport->els_tmofunc); |
1800 | del_timer_sync(&vport->fc_fdmitmo); | |
1801 | lpfc_can_disctmo(vport); | |
1802 | return; | |
dea3101e | 1803 | } |
1804 | ||
e59058c4 | 1805 | /** |
3621a710 | 1806 | * lpfc_stop_phba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
1807 | * @phba: pointer to lpfc hba data structure. |
1808 | * | |
1809 | * This routine stops all the timers associated with a HBA. This function is | |
1810 | * invoked before either putting a HBA offline or unloading the driver. | |
1811 | **/ | |
2e0fef85 | 1812 | static void |
92d7f7b0 | 1813 | lpfc_stop_phba_timers(struct lpfc_hba *phba) |
dea3101e | 1814 | { |
875fbdfe | 1815 | del_timer_sync(&phba->fcp_poll_timer); |
51ef4c26 | 1816 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 1817 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 1818 | del_timer_sync(&phba->fabric_block_timer); |
858c9f6c JS |
1819 | phba->hb_outstanding = 0; |
1820 | del_timer_sync(&phba->hb_tmofunc); | |
9399627f | 1821 | del_timer_sync(&phba->eratt_poll); |
2e0fef85 | 1822 | return; |
dea3101e | 1823 | } |
1824 | ||
e59058c4 | 1825 | /** |
3621a710 | 1826 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
1827 | * @phba: pointer to lpfc hba data structure. |
1828 | * | |
1829 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
1830 | * management interface is marked as blocked, all the user space access to | |
1831 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
1832 | * all be blocked. The HBA is set to block the management interface when the | |
1833 | * driver prepares the HBA interface for online or offline. | |
1834 | **/ | |
a6ababd2 AB |
1835 | static void |
1836 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
1837 | { | |
1838 | unsigned long iflag; | |
1839 | ||
1840 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1841 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
1842 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1843 | } | |
1844 | ||
e59058c4 | 1845 | /** |
3621a710 | 1846 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
1847 | * @phba: pointer to lpfc hba data structure. |
1848 | * | |
1849 | * This routine initializes the HBA and brings a HBA online. During this | |
1850 | * process, the management interface is blocked to prevent user space access | |
1851 | * to the HBA interfering with the driver initialization. | |
1852 | * | |
1853 | * Return codes | |
1854 | * 0 - successful | |
1855 | * 1 - failed | |
1856 | **/ | |
dea3101e | 1857 | int |
2e0fef85 | 1858 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 1859 | { |
372bd282 | 1860 | struct lpfc_vport *vport; |
549e55cd JS |
1861 | struct lpfc_vport **vports; |
1862 | int i; | |
2e0fef85 | 1863 | |
dea3101e | 1864 | if (!phba) |
1865 | return 0; | |
372bd282 | 1866 | vport = phba->pport; |
dea3101e | 1867 | |
2e0fef85 | 1868 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e | 1869 | return 0; |
1870 | ||
ed957684 | 1871 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1872 | "0458 Bring Adapter online\n"); |
dea3101e | 1873 | |
46fa311e JS |
1874 | lpfc_block_mgmt_io(phba); |
1875 | ||
1876 | if (!lpfc_sli_queue_setup(phba)) { | |
1877 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1878 | return 1; |
46fa311e | 1879 | } |
dea3101e | 1880 | |
46fa311e JS |
1881 | if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ |
1882 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1883 | return 1; |
46fa311e | 1884 | } |
dea3101e | 1885 | |
549e55cd JS |
1886 | vports = lpfc_create_vport_work_array(phba); |
1887 | if (vports != NULL) | |
09372820 | 1888 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd JS |
1889 | struct Scsi_Host *shost; |
1890 | shost = lpfc_shost_from_vport(vports[i]); | |
1891 | spin_lock_irq(shost->host_lock); | |
1892 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
1893 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
1894 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1895 | spin_unlock_irq(shost->host_lock); | |
1896 | } | |
09372820 | 1897 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1898 | |
46fa311e | 1899 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 1900 | return 0; |
1901 | } | |
1902 | ||
e59058c4 | 1903 | /** |
3621a710 | 1904 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
1905 | * @phba: pointer to lpfc hba data structure. |
1906 | * | |
1907 | * This routine marks a HBA's management interface as not blocked. Once the | |
1908 | * HBA's management interface is marked as not blocked, all the user space | |
1909 | * access to the HBA, whether they are from sysfs interface or libdfc | |
1910 | * interface will be allowed. The HBA is set to block the management interface | |
1911 | * when the driver prepares the HBA interface for online or offline and then | |
1912 | * set to unblock the management interface afterwards. | |
1913 | **/ | |
46fa311e JS |
1914 | void |
1915 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
1916 | { | |
1917 | unsigned long iflag; | |
1918 | ||
2e0fef85 JS |
1919 | spin_lock_irqsave(&phba->hbalock, iflag); |
1920 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
1921 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
1922 | } |
1923 | ||
e59058c4 | 1924 | /** |
3621a710 | 1925 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
1926 | * @phba: pointer to lpfc hba data structure. |
1927 | * | |
1928 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
1929 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
1930 | * queue to make it ready to be brought offline. | |
1931 | **/ | |
46fa311e JS |
1932 | void |
1933 | lpfc_offline_prep(struct lpfc_hba * phba) | |
1934 | { | |
2e0fef85 | 1935 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 1936 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
1937 | struct lpfc_vport **vports; |
1938 | int i; | |
dea3101e | 1939 | |
2e0fef85 | 1940 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1941 | return; |
dea3101e | 1942 | |
46fa311e | 1943 | lpfc_block_mgmt_io(phba); |
dea3101e | 1944 | |
1945 | lpfc_linkdown(phba); | |
1946 | ||
87af33fe JS |
1947 | /* Issue an unreg_login to all nodes on all vports */ |
1948 | vports = lpfc_create_vport_work_array(phba); | |
1949 | if (vports != NULL) { | |
09372820 | 1950 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
87af33fe JS |
1951 | struct Scsi_Host *shost; |
1952 | ||
a8adb832 JS |
1953 | if (vports[i]->load_flag & FC_UNLOADING) |
1954 | continue; | |
87af33fe JS |
1955 | shost = lpfc_shost_from_vport(vports[i]); |
1956 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1957 | &vports[i]->fc_nodes, | |
1958 | nlp_listp) { | |
e47c9093 JS |
1959 | if (!NLP_CHK_NODE_ACT(ndlp)) |
1960 | continue; | |
87af33fe JS |
1961 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
1962 | continue; | |
1963 | if (ndlp->nlp_type & NLP_FABRIC) { | |
1964 | lpfc_disc_state_machine(vports[i], ndlp, | |
1965 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
1966 | lpfc_disc_state_machine(vports[i], ndlp, | |
1967 | NULL, NLP_EVT_DEVICE_RM); | |
1968 | } | |
1969 | spin_lock_irq(shost->host_lock); | |
1970 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1971 | spin_unlock_irq(shost->host_lock); | |
1972 | lpfc_unreg_rpi(vports[i], ndlp); | |
1973 | } | |
1974 | } | |
1975 | } | |
09372820 | 1976 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1977 | |
46fa311e JS |
1978 | lpfc_sli_flush_mbox_queue(phba); |
1979 | } | |
1980 | ||
e59058c4 | 1981 | /** |
3621a710 | 1982 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
1983 | * @phba: pointer to lpfc hba data structure. |
1984 | * | |
1985 | * This routine actually brings a HBA offline. It stops all the timers | |
1986 | * associated with the HBA, brings down the SLI layer, and eventually | |
1987 | * marks the HBA as in offline state for the upper layer protocol. | |
1988 | **/ | |
46fa311e | 1989 | void |
2e0fef85 | 1990 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 1991 | { |
549e55cd JS |
1992 | struct Scsi_Host *shost; |
1993 | struct lpfc_vport **vports; | |
1994 | int i; | |
46fa311e | 1995 | |
549e55cd | 1996 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1997 | return; |
688a8863 | 1998 | |
dea3101e | 1999 | /* stop all timers associated with this hba */ |
92d7f7b0 | 2000 | lpfc_stop_phba_timers(phba); |
51ef4c26 JS |
2001 | vports = lpfc_create_vport_work_array(phba); |
2002 | if (vports != NULL) | |
09372820 | 2003 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) |
51ef4c26 | 2004 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2005 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2006 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2007 | "0460 Bring Adapter offline\n"); |
dea3101e | 2008 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2009 | now. */ | |
2010 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2011 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2012 | phba->work_ha = 0; |
92d7f7b0 | 2013 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2014 | vports = lpfc_create_vport_work_array(phba); |
2015 | if (vports != NULL) | |
09372820 | 2016 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd | 2017 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2018 | spin_lock_irq(shost->host_lock); |
2019 | vports[i]->work_port_events = 0; | |
2020 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2021 | spin_unlock_irq(shost->host_lock); | |
2022 | } | |
09372820 | 2023 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2024 | } |
2025 | ||
e59058c4 | 2026 | /** |
3621a710 | 2027 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2028 | * @phba: pointer to lpfc hba data structure. |
2029 | * | |
2030 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2031 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2032 | * the internal resources before the device is removed from the system. | |
2033 | * | |
2034 | * Return codes | |
2035 | * 0 - successful (for now, it always returns 0) | |
2036 | **/ | |
dea3101e | 2037 | static int |
2e0fef85 | 2038 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e | 2039 | { |
2040 | struct lpfc_scsi_buf *sb, *sb_next; | |
2041 | struct lpfc_iocbq *io, *io_next; | |
2042 | ||
2e0fef85 | 2043 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2044 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
2045 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
2046 | list_del(&sb->list); | |
2047 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2048 | sb->dma_handle); |
dea3101e | 2049 | kfree(sb); |
2050 | phba->total_scsi_bufs--; | |
2051 | } | |
2052 | ||
2053 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2054 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2055 | list_del(&io->list); | |
2056 | kfree(io); | |
2057 | phba->total_iocbq_bufs--; | |
2058 | } | |
2059 | ||
2e0fef85 | 2060 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2061 | |
2062 | return 0; | |
2063 | } | |
2064 | ||
e59058c4 | 2065 | /** |
3621a710 | 2066 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
2067 | * @phba: pointer to lpfc hba data structure. |
2068 | * @instance: a unique integer ID to this FC port. | |
2069 | * @dev: pointer to the device data structure. | |
2070 | * | |
2071 | * This routine creates a FC port for the upper layer protocol. The FC port | |
2072 | * can be created on top of either a physical port or a virtual port provided | |
2073 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
2074 | * and associates the FC port created before adding the shost into the SCSI | |
2075 | * layer. | |
2076 | * | |
2077 | * Return codes | |
2078 | * @vport - pointer to the virtual N_Port data structure. | |
2079 | * NULL - port create failed. | |
2080 | **/ | |
2e0fef85 | 2081 | struct lpfc_vport * |
3de2a653 | 2082 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 2083 | { |
2e0fef85 JS |
2084 | struct lpfc_vport *vport; |
2085 | struct Scsi_Host *shost; | |
2086 | int error = 0; | |
47a8617c | 2087 | |
3de2a653 JS |
2088 | if (dev != &phba->pcidev->dev) |
2089 | shost = scsi_host_alloc(&lpfc_vport_template, | |
2090 | sizeof(struct lpfc_vport)); | |
2091 | else | |
2092 | shost = scsi_host_alloc(&lpfc_template, | |
2093 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
2094 | if (!shost) |
2095 | goto out; | |
47a8617c | 2096 | |
2e0fef85 JS |
2097 | vport = (struct lpfc_vport *) shost->hostdata; |
2098 | vport->phba = phba; | |
2e0fef85 | 2099 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 2100 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 2101 | vport->fc_rscn_flush = 0; |
47a8617c | 2102 | |
3de2a653 | 2103 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
2104 | shost->unique_id = instance; |
2105 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 2106 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
2107 | shost->this_id = -1; |
2108 | shost->max_cmd_len = 16; | |
81301a9b | 2109 | |
47a8617c | 2110 | /* |
2e0fef85 JS |
2111 | * Set initial can_queue value since 0 is no longer supported and |
2112 | * scsi_add_host will fail. This will be adjusted later based on the | |
2113 | * max xri value determined in hba setup. | |
47a8617c | 2114 | */ |
2e0fef85 | 2115 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 2116 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
2117 | shost->transportt = lpfc_vport_transport_template; |
2118 | vport->port_type = LPFC_NPIV_PORT; | |
2119 | } else { | |
2120 | shost->transportt = lpfc_transport_template; | |
2121 | vport->port_type = LPFC_PHYSICAL_PORT; | |
2122 | } | |
47a8617c | 2123 | |
2e0fef85 JS |
2124 | /* Initialize all internally managed lists. */ |
2125 | INIT_LIST_HEAD(&vport->fc_nodes); | |
2126 | spin_lock_init(&vport->work_port_lock); | |
47a8617c | 2127 | |
2e0fef85 JS |
2128 | init_timer(&vport->fc_disctmo); |
2129 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 2130 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 2131 | |
2e0fef85 JS |
2132 | init_timer(&vport->fc_fdmitmo); |
2133 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 2134 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 2135 | |
2e0fef85 JS |
2136 | init_timer(&vport->els_tmofunc); |
2137 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 2138 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 2139 | |
3de2a653 | 2140 | error = scsi_add_host(shost, dev); |
2e0fef85 JS |
2141 | if (error) |
2142 | goto out_put_shost; | |
47a8617c | 2143 | |
549e55cd | 2144 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 2145 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 2146 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2147 | return vport; |
47a8617c | 2148 | |
2e0fef85 JS |
2149 | out_put_shost: |
2150 | scsi_host_put(shost); | |
2151 | out: | |
2152 | return NULL; | |
47a8617c JS |
2153 | } |
2154 | ||
e59058c4 | 2155 | /** |
3621a710 | 2156 | * destroy_port - destroy an FC port |
e59058c4 JS |
2157 | * @vport: pointer to an lpfc virtual N_Port data structure. |
2158 | * | |
2159 | * This routine destroys a FC port from the upper layer protocol. All the | |
2160 | * resources associated with the port are released. | |
2161 | **/ | |
2e0fef85 JS |
2162 | void |
2163 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 2164 | { |
92d7f7b0 JS |
2165 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2166 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2167 | |
858c9f6c | 2168 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
2169 | fc_remove_host(shost); |
2170 | scsi_remove_host(shost); | |
47a8617c | 2171 | |
92d7f7b0 JS |
2172 | spin_lock_irq(&phba->hbalock); |
2173 | list_del_init(&vport->listentry); | |
2174 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 2175 | |
92d7f7b0 | 2176 | lpfc_cleanup(vport); |
47a8617c | 2177 | return; |
47a8617c JS |
2178 | } |
2179 | ||
e59058c4 | 2180 | /** |
3621a710 | 2181 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
2182 | * |
2183 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
2184 | * uses the kernel idr facility to perform the task. | |
2185 | * | |
2186 | * Return codes: | |
2187 | * instance - a unique integer ID allocated as the new instance. | |
2188 | * -1 - lpfc get instance failed. | |
2189 | **/ | |
92d7f7b0 JS |
2190 | int |
2191 | lpfc_get_instance(void) | |
2192 | { | |
2193 | int instance = 0; | |
47a8617c | 2194 | |
92d7f7b0 JS |
2195 | /* Assign an unused number */ |
2196 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
2197 | return -1; | |
2198 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
2199 | return -1; | |
2200 | return instance; | |
47a8617c JS |
2201 | } |
2202 | ||
e59058c4 | 2203 | /** |
3621a710 | 2204 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
2205 | * @shost: pointer to SCSI host data structure. |
2206 | * @time: elapsed time of the scan in jiffies. | |
2207 | * | |
2208 | * This routine is called by the SCSI layer with a SCSI host to determine | |
2209 | * whether the scan host is finished. | |
2210 | * | |
2211 | * Note: there is no scan_start function as adapter initialization will have | |
2212 | * asynchronously kicked off the link initialization. | |
2213 | * | |
2214 | * Return codes | |
2215 | * 0 - SCSI host scan is not over yet. | |
2216 | * 1 - SCSI host scan is over. | |
2217 | **/ | |
47a8617c JS |
2218 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
2219 | { | |
2e0fef85 JS |
2220 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2221 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 2222 | int stat = 0; |
47a8617c | 2223 | |
858c9f6c JS |
2224 | spin_lock_irq(shost->host_lock); |
2225 | ||
51ef4c26 | 2226 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
2227 | stat = 1; |
2228 | goto finished; | |
2229 | } | |
2e0fef85 JS |
2230 | if (time >= 30 * HZ) { |
2231 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2232 | "0461 Scanning longer than 30 " |
2233 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2234 | stat = 1; |
47a8617c | 2235 | goto finished; |
2e0fef85 JS |
2236 | } |
2237 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
2238 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2239 | "0465 Link down longer than 15 " |
2240 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2241 | stat = 1; |
47a8617c | 2242 | goto finished; |
2e0fef85 | 2243 | } |
47a8617c | 2244 | |
2e0fef85 | 2245 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 2246 | goto finished; |
2e0fef85 | 2247 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 2248 | goto finished; |
2e0fef85 | 2249 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 2250 | goto finished; |
2e0fef85 | 2251 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
2252 | goto finished; |
2253 | ||
2254 | stat = 1; | |
47a8617c JS |
2255 | |
2256 | finished: | |
858c9f6c JS |
2257 | spin_unlock_irq(shost->host_lock); |
2258 | return stat; | |
92d7f7b0 | 2259 | } |
47a8617c | 2260 | |
e59058c4 | 2261 | /** |
3621a710 | 2262 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
2263 | * @shost: pointer to SCSI host data structure. |
2264 | * | |
2265 | * This routine initializes a given SCSI host attributes on a FC port. The | |
2266 | * SCSI host can be either on top of a physical port or a virtual port. | |
2267 | **/ | |
92d7f7b0 JS |
2268 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
2269 | { | |
2270 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2271 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2272 | /* |
2e0fef85 | 2273 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
2274 | */ |
2275 | ||
2e0fef85 JS |
2276 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
2277 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
2278 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
2279 | ||
2280 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 2281 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
2282 | fc_host_supported_fc4s(shost)[2] = 1; |
2283 | fc_host_supported_fc4s(shost)[7] = 1; | |
2284 | ||
92d7f7b0 JS |
2285 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
2286 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
2287 | |
2288 | fc_host_supported_speeds(shost) = 0; | |
2289 | if (phba->lmt & LMT_10Gb) | |
2290 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
2291 | if (phba->lmt & LMT_8Gb) |
2292 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
2293 | if (phba->lmt & LMT_4Gb) |
2294 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
2295 | if (phba->lmt & LMT_2Gb) | |
2296 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
2297 | if (phba->lmt & LMT_1Gb) | |
2298 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
2299 | ||
2300 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
2301 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
2302 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
2303 | |
2304 | /* This value is also unchanging */ | |
2305 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 2306 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
2307 | fc_host_active_fc4s(shost)[2] = 1; |
2308 | fc_host_active_fc4s(shost)[7] = 1; | |
2309 | ||
92d7f7b0 | 2310 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 2311 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2312 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 2313 | spin_unlock_irq(shost->host_lock); |
47a8617c | 2314 | } |
dea3101e | 2315 | |
e59058c4 | 2316 | /** |
3621a710 | 2317 | * lpfc_enable_msix - Enable MSI-X interrupt mode |
e59058c4 JS |
2318 | * @phba: pointer to lpfc hba data structure. |
2319 | * | |
2320 | * This routine is invoked to enable the MSI-X interrupt vectors. The kernel | |
2321 | * function pci_enable_msix() is called to enable the MSI-X vectors. Note that | |
2322 | * pci_enable_msix(), once invoked, enables either all or nothing, depending | |
2323 | * on the current availability of PCI vector resources. The device driver is | |
2324 | * responsible for calling the individual request_irq() to register each MSI-X | |
2325 | * vector with a interrupt handler, which is done in this function. Note that | |
2326 | * later when device is unloading, the driver should always call free_irq() | |
2327 | * on all MSI-X vectors it has done request_irq() on before calling | |
2328 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
2329 | * will be left with MSI-X enabled and leaks its vectors. | |
2330 | * | |
2331 | * Return codes | |
2332 | * 0 - sucessful | |
2333 | * other values - error | |
2334 | **/ | |
db2378e0 JS |
2335 | static int |
2336 | lpfc_enable_msix(struct lpfc_hba *phba) | |
2337 | { | |
9399627f JS |
2338 | int rc, i; |
2339 | LPFC_MBOXQ_t *pmb; | |
db2378e0 | 2340 | |
9399627f JS |
2341 | /* Set up MSI-X multi-message vectors */ |
2342 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
2343 | phba->msix_entries[i].entry = i; | |
db2378e0 | 2344 | |
9399627f JS |
2345 | /* Configure MSI-X capability structure */ |
2346 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
db2378e0 | 2347 | ARRAY_SIZE(phba->msix_entries)); |
9399627f | 2348 | if (rc) { |
db2378e0 | 2349 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
5b75da2f | 2350 | "0420 PCI enable MSI-X failed (%d)\n", rc); |
9399627f JS |
2351 | goto msi_fail_out; |
2352 | } else | |
2353 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
2354 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2355 | "0477 MSI-X entry[%d]: vector=x%x " | |
2356 | "message=%d\n", i, | |
2357 | phba->msix_entries[i].vector, | |
2358 | phba->msix_entries[i].entry); | |
2359 | /* | |
2360 | * Assign MSI-X vectors to interrupt handlers | |
2361 | */ | |
2362 | ||
2363 | /* vector-0 is associated to slow-path handler */ | |
2364 | rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler, | |
2365 | IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
2366 | if (rc) { | |
5b75da2f | 2367 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
9399627f | 2368 | "0421 MSI-X slow-path request_irq failed " |
5b75da2f | 2369 | "(%d)\n", rc); |
9399627f | 2370 | goto msi_fail_out; |
db2378e0 JS |
2371 | } |
2372 | ||
9399627f JS |
2373 | /* vector-1 is associated to fast-path handler */ |
2374 | rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler, | |
2375 | IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
2376 | ||
2377 | if (rc) { | |
5b75da2f | 2378 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
9399627f | 2379 | "0429 MSI-X fast-path request_irq failed " |
5b75da2f | 2380 | "(%d)\n", rc); |
9399627f | 2381 | goto irq_fail_out; |
db2378e0 | 2382 | } |
9399627f JS |
2383 | |
2384 | /* | |
2385 | * Configure HBA MSI-X attention conditions to messages | |
2386 | */ | |
2387 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2388 | ||
2389 | if (!pmb) { | |
2390 | rc = -ENOMEM; | |
2391 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2392 | "0474 Unable to allocate memory for issuing " | |
2393 | "MBOX_CONFIG_MSI command\n"); | |
2394 | goto mem_fail_out; | |
2395 | } | |
2396 | rc = lpfc_config_msi(phba, pmb); | |
2397 | if (rc) | |
2398 | goto mbx_fail_out; | |
2399 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
2400 | if (rc != MBX_SUCCESS) { | |
5b75da2f | 2401 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
9399627f JS |
2402 | "0351 Config MSI mailbox command failed, " |
2403 | "mbxCmd x%x, mbxStatus x%x\n", | |
2404 | pmb->mb.mbxCommand, pmb->mb.mbxStatus); | |
2405 | goto mbx_fail_out; | |
2406 | } | |
2407 | ||
2408 | /* Free memory allocated for mailbox command */ | |
2409 | mempool_free(pmb, phba->mbox_mem_pool); | |
2410 | return rc; | |
2411 | ||
2412 | mbx_fail_out: | |
2413 | /* Free memory allocated for mailbox command */ | |
2414 | mempool_free(pmb, phba->mbox_mem_pool); | |
2415 | ||
2416 | mem_fail_out: | |
2417 | /* free the irq already requested */ | |
2418 | free_irq(phba->msix_entries[1].vector, phba); | |
2419 | ||
2420 | irq_fail_out: | |
2421 | /* free the irq already requested */ | |
2422 | free_irq(phba->msix_entries[0].vector, phba); | |
2423 | ||
2424 | msi_fail_out: | |
2425 | /* Unconfigure MSI-X capability structure */ | |
2426 | pci_disable_msix(phba->pcidev); | |
2427 | return rc; | |
db2378e0 JS |
2428 | } |
2429 | ||
e59058c4 | 2430 | /** |
3621a710 | 2431 | * lpfc_disable_msix - Disable MSI-X interrupt mode |
e59058c4 JS |
2432 | * @phba: pointer to lpfc hba data structure. |
2433 | * | |
2434 | * This routine is invoked to release the MSI-X vectors and then disable the | |
2435 | * MSI-X interrupt mode. | |
2436 | **/ | |
db2378e0 JS |
2437 | static void |
2438 | lpfc_disable_msix(struct lpfc_hba *phba) | |
2439 | { | |
9399627f JS |
2440 | int i; |
2441 | ||
2442 | /* Free up MSI-X multi-message vectors */ | |
2443 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
2444 | free_irq(phba->msix_entries[i].vector, phba); | |
2445 | /* Disable MSI-X */ | |
db2378e0 JS |
2446 | pci_disable_msix(phba->pcidev); |
2447 | } | |
2448 | ||
5b75da2f | 2449 | /** |
3621a710 | 2450 | * lpfc_enable_msi - Enable MSI interrupt mode |
5b75da2f JS |
2451 | * @phba: pointer to lpfc hba data structure. |
2452 | * | |
2453 | * This routine is invoked to enable the MSI interrupt mode. The kernel | |
2454 | * function pci_enable_msi() is called to enable the MSI vector. The | |
2455 | * device driver is responsible for calling the request_irq() to register | |
2456 | * MSI vector with a interrupt the handler, which is done in this function. | |
2457 | * | |
2458 | * Return codes | |
2459 | * 0 - sucessful | |
2460 | * other values - error | |
2461 | */ | |
2462 | static int | |
2463 | lpfc_enable_msi(struct lpfc_hba *phba) | |
2464 | { | |
2465 | int rc; | |
2466 | ||
2467 | rc = pci_enable_msi(phba->pcidev); | |
2468 | if (!rc) | |
2469 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2470 | "0462 PCI enable MSI mode success.\n"); | |
2471 | else { | |
2472 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2473 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
2474 | return rc; | |
2475 | } | |
2476 | ||
2477 | rc = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2478 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2479 | if (rc) { | |
2480 | pci_disable_msi(phba->pcidev); | |
2481 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2482 | "0478 MSI request_irq failed (%d)\n", rc); | |
2483 | } | |
2484 | return rc; | |
2485 | } | |
2486 | ||
2487 | /** | |
3621a710 | 2488 | * lpfc_disable_msi - Disable MSI interrupt mode |
5b75da2f JS |
2489 | * @phba: pointer to lpfc hba data structure. |
2490 | * | |
2491 | * This routine is invoked to disable the MSI interrupt mode. The driver | |
2492 | * calls free_irq() on MSI vector it has done request_irq() on before | |
2493 | * calling pci_disable_msi(). Failure to do so results in a BUG_ON() and | |
2494 | * a device will be left with MSI enabled and leaks its vector. | |
2495 | */ | |
2496 | ||
2497 | static void | |
2498 | lpfc_disable_msi(struct lpfc_hba *phba) | |
2499 | { | |
2500 | free_irq(phba->pcidev->irq, phba); | |
2501 | pci_disable_msi(phba->pcidev); | |
2502 | return; | |
2503 | } | |
2504 | ||
2505 | /** | |
3621a710 | 2506 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
2507 | * @phba: pointer to lpfc hba data structure. |
2508 | * @intr_mode: active interrupt mode adopted. | |
2509 | * | |
2510 | * This routine it invoked to log the currently used active interrupt mode | |
2511 | * to the device. | |
2512 | */ | |
2513 | static void | |
2514 | lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
2515 | { | |
2516 | switch (intr_mode) { | |
2517 | case 0: | |
2518 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2519 | "0470 Enable INTx interrupt mode.\n"); | |
2520 | break; | |
2521 | case 1: | |
2522 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2523 | "0481 Enabled MSI interrupt mode.\n"); | |
2524 | break; | |
2525 | case 2: | |
2526 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2527 | "0480 Enabled MSI-X interrupt mode.\n"); | |
2528 | break; | |
2529 | default: | |
2530 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2531 | "0482 Illegal interrupt mode.\n"); | |
2532 | break; | |
2533 | } | |
2534 | return; | |
2535 | } | |
2536 | ||
2537 | static void | |
2538 | lpfc_stop_port(struct lpfc_hba *phba) | |
2539 | { | |
2540 | /* Clear all interrupt enable conditions */ | |
2541 | writel(0, phba->HCregaddr); | |
2542 | readl(phba->HCregaddr); /* flush */ | |
2543 | /* Clear all pending interrupts */ | |
2544 | writel(0xffffffff, phba->HAregaddr); | |
2545 | readl(phba->HAregaddr); /* flush */ | |
2546 | ||
2547 | /* Reset some HBA SLI setup states */ | |
2548 | lpfc_stop_phba_timers(phba); | |
2549 | phba->pport->work_port_events = 0; | |
2550 | ||
2551 | return; | |
2552 | } | |
2553 | ||
2554 | /** | |
3621a710 | 2555 | * lpfc_enable_intr - Enable device interrupt |
5b75da2f JS |
2556 | * @phba: pointer to lpfc hba data structure. |
2557 | * | |
2558 | * This routine is invoked to enable device interrupt and associate driver's | |
2559 | * interrupt handler(s) to interrupt vector(s). Depends on the interrupt | |
2560 | * mode configured to the driver, the driver will try to fallback from the | |
2561 | * configured interrupt mode to an interrupt mode which is supported by the | |
2562 | * platform, kernel, and device in the order of: MSI-X -> MSI -> IRQ. | |
2563 | * | |
2564 | * Return codes | |
2565 | * 0 - sucessful | |
2566 | * other values - error | |
2567 | **/ | |
2568 | static uint32_t | |
2569 | lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
2570 | { | |
2571 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
2572 | int retval; | |
2573 | ||
2574 | if (cfg_mode == 2) { | |
2575 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
2576 | retval = lpfc_sli_config_port(phba, 3); | |
2577 | if (!retval) { | |
2578 | /* Now, try to enable MSI-X interrupt mode */ | |
2579 | retval = lpfc_enable_msix(phba); | |
2580 | if (!retval) { | |
2581 | /* Indicate initialization to MSI-X mode */ | |
2582 | phba->intr_type = MSIX; | |
2583 | intr_mode = 2; | |
2584 | } | |
2585 | } | |
2586 | } | |
2587 | ||
2588 | /* Fallback to MSI if MSI-X initialization failed */ | |
2589 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
2590 | retval = lpfc_enable_msi(phba); | |
2591 | if (!retval) { | |
2592 | /* Indicate initialization to MSI mode */ | |
2593 | phba->intr_type = MSI; | |
2594 | intr_mode = 1; | |
2595 | } | |
2596 | } | |
2597 | ||
2598 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
2599 | if (phba->intr_type == NONE) { | |
2600 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2601 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2602 | if (!retval) { | |
2603 | /* Indicate initialization to INTx mode */ | |
2604 | phba->intr_type = INTx; | |
2605 | intr_mode = 0; | |
2606 | } | |
2607 | } | |
2608 | return intr_mode; | |
2609 | } | |
2610 | ||
2611 | /** | |
3621a710 | 2612 | * lpfc_disable_intr - Disable device interrupt |
5b75da2f JS |
2613 | * @phba: pointer to lpfc hba data structure. |
2614 | * | |
2615 | * This routine is invoked to disable device interrupt and disassociate the | |
2616 | * driver's interrupt handler(s) from interrupt vector(s). Depending on the | |
2617 | * interrupt mode, the driver will release the interrupt vector(s) for the | |
2618 | * message signaled interrupt. | |
2619 | **/ | |
2620 | static void | |
2621 | lpfc_disable_intr(struct lpfc_hba *phba) | |
2622 | { | |
2623 | /* Disable the currently initialized interrupt mode */ | |
2624 | if (phba->intr_type == MSIX) | |
2625 | lpfc_disable_msix(phba); | |
2626 | else if (phba->intr_type == MSI) | |
2627 | lpfc_disable_msi(phba); | |
2628 | else if (phba->intr_type == INTx) | |
2629 | free_irq(phba->pcidev->irq, phba); | |
2630 | ||
2631 | /* Reset interrupt management states */ | |
2632 | phba->intr_type = NONE; | |
2633 | phba->sli.slistat.sli_intr = 0; | |
2634 | ||
2635 | return; | |
2636 | } | |
2637 | ||
e59058c4 | 2638 | /** |
3621a710 | 2639 | * lpfc_pci_probe_one - lpfc PCI probe func to register device to PCI subsystem |
e59058c4 JS |
2640 | * @pdev: pointer to PCI device |
2641 | * @pid: pointer to PCI device identifier | |
2642 | * | |
2643 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
2644 | * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at | |
2645 | * PCI device-specific information of the device and driver to see if the | |
2646 | * driver state that it can support this kind of device. If the match is | |
2647 | * successful, the driver core invokes this routine. If this routine | |
2648 | * determines it can claim the HBA, it does all the initialization that it | |
2649 | * needs to do to handle the HBA properly. | |
2650 | * | |
2651 | * Return code | |
2652 | * 0 - driver can claim the device | |
2653 | * negative value - driver can not claim the device | |
2654 | **/ | |
dea3101e | 2655 | static int __devinit |
2656 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
2657 | { | |
2e0fef85 JS |
2658 | struct lpfc_vport *vport = NULL; |
2659 | struct lpfc_hba *phba; | |
2660 | struct lpfc_sli *psli; | |
dea3101e | 2661 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; |
2e0fef85 | 2662 | struct Scsi_Host *shost = NULL; |
51ef4c26 | 2663 | void *ptr; |
dea3101e | 2664 | unsigned long bar0map_len, bar2map_len; |
98c9ea5c | 2665 | int error = -ENODEV, retval; |
51ef4c26 | 2666 | int i, hbq_count; |
604a3e30 | 2667 | uint16_t iotag; |
5b75da2f | 2668 | uint32_t cfg_mode, intr_mode; |
8a4df120 | 2669 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
ea2151b4 | 2670 | struct lpfc_adapter_event_header adapter_event; |
dea3101e | 2671 | |
d5f78fb0 | 2672 | if (pci_enable_device_mem(pdev)) |
dea3101e | 2673 | goto out; |
8a4df120 | 2674 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) |
dea3101e | 2675 | goto out_disable_device; |
2676 | ||
2e0fef85 JS |
2677 | phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); |
2678 | if (!phba) | |
dea3101e | 2679 | goto out_release_regions; |
2680 | ||
ea2151b4 | 2681 | atomic_set(&phba->fast_event_count, 0); |
2e0fef85 | 2682 | spin_lock_init(&phba->hbalock); |
dea3101e | 2683 | |
e47c9093 JS |
2684 | /* Initialize ndlp management spinlock */ |
2685 | spin_lock_init(&phba->ndlp_lock); | |
2686 | ||
dea3101e | 2687 | phba->pcidev = pdev; |
2688 | ||
2689 | /* Assign an unused board number */ | |
92d7f7b0 | 2690 | if ((phba->brd_no = lpfc_get_instance()) < 0) |
2e0fef85 | 2691 | goto out_free_phba; |
dea3101e | 2692 | |
2e0fef85 | 2693 | INIT_LIST_HEAD(&phba->port_list); |
84774a4d | 2694 | init_waitqueue_head(&phba->wait_4_mlo_m_q); |
2e0fef85 JS |
2695 | /* |
2696 | * Get all the module params for configuring this host and then | |
2697 | * establish the host. | |
2698 | */ | |
2699 | lpfc_get_cfgparam(phba); | |
92d7f7b0 | 2700 | phba->max_vpi = LPFC_MAX_VPI; |
dea3101e | 2701 | |
2702 | /* Initialize timers used by driver */ | |
858c9f6c JS |
2703 | init_timer(&phba->hb_tmofunc); |
2704 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
2705 | phba->hb_tmofunc.data = (unsigned long)phba; | |
2706 | ||
dea3101e | 2707 | psli = &phba->sli; |
2708 | init_timer(&psli->mbox_tmo); | |
2709 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 2710 | psli->mbox_tmo.data = (unsigned long) phba; |
875fbdfe JSEC |
2711 | init_timer(&phba->fcp_poll_timer); |
2712 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 2713 | phba->fcp_poll_timer.data = (unsigned long) phba; |
92d7f7b0 JS |
2714 | init_timer(&phba->fabric_block_timer); |
2715 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
2716 | phba->fabric_block_timer.data = (unsigned long) phba; | |
9399627f JS |
2717 | init_timer(&phba->eratt_poll); |
2718 | phba->eratt_poll.function = lpfc_poll_eratt; | |
2719 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 2720 | |
dea3101e | 2721 | pci_set_master(pdev); |
97207482 | 2722 | pci_save_state(pdev); |
694625c0 | 2723 | pci_try_set_mwi(pdev); |
dea3101e | 2724 | |
6a35528a | 2725 | if (pci_set_dma_mask(phba->pcidev, DMA_BIT_MASK(64)) != 0) |
284901a9 | 2726 | if (pci_set_dma_mask(phba->pcidev, DMA_BIT_MASK(32)) != 0) |
dea3101e | 2727 | goto out_idr_remove; |
2728 | ||
2729 | /* | |
2730 | * Get the bus address of Bar0 and Bar2 and the number of bytes | |
2731 | * required by each mapping. | |
2732 | */ | |
2733 | phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); | |
2734 | bar0map_len = pci_resource_len(phba->pcidev, 0); | |
2735 | ||
2736 | phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); | |
2737 | bar2map_len = pci_resource_len(phba->pcidev, 2); | |
2738 | ||
901a920f | 2739 | /* Map HBA SLIM to a kernel virtual address. */ |
9399627f | 2740 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); |
901a920f JW |
2741 | if (!phba->slim_memmap_p) { |
2742 | error = -ENODEV; | |
2743 | dev_printk(KERN_ERR, &pdev->dev, | |
2744 | "ioremap failed for SLIM memory.\n"); | |
2745 | goto out_idr_remove; | |
2746 | } | |
2747 | ||
2748 | /* Map HBA Control Registers to a kernel virtual address. */ | |
dea3101e | 2749 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); |
901a920f JW |
2750 | if (!phba->ctrl_regs_memmap_p) { |
2751 | error = -ENODEV; | |
2752 | dev_printk(KERN_ERR, &pdev->dev, | |
2753 | "ioremap failed for HBA control registers.\n"); | |
2754 | goto out_iounmap_slim; | |
2755 | } | |
dea3101e | 2756 | |
2757 | /* Allocate memory for SLI-2 structures */ | |
34b02dcd JS |
2758 | phba->slim2p.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2759 | SLI2_SLIM_SIZE, | |
2760 | &phba->slim2p.phys, | |
2761 | GFP_KERNEL); | |
2762 | if (!phba->slim2p.virt) | |
dea3101e | 2763 | goto out_iounmap; |
2764 | ||
34b02dcd | 2765 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); |
d7c255b2 JS |
2766 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); |
2767 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); | |
2768 | phba->IOCBs = (phba->slim2p.virt + | |
2769 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
dea3101e | 2770 | |
ed957684 JS |
2771 | phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2772 | lpfc_sli_hbq_size(), | |
2773 | &phba->hbqslimp.phys, | |
2774 | GFP_KERNEL); | |
2775 | if (!phba->hbqslimp.virt) | |
2776 | goto out_free_slim; | |
2777 | ||
51ef4c26 JS |
2778 | hbq_count = lpfc_sli_hbq_count(); |
2779 | ptr = phba->hbqslimp.virt; | |
2780 | for (i = 0; i < hbq_count; ++i) { | |
2781 | phba->hbqs[i].hbq_virt = ptr; | |
2782 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
2783 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
2784 | sizeof(struct lpfc_hbq_entry)); | |
2785 | } | |
2786 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
2787 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
2788 | ||
ed957684 JS |
2789 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); |
2790 | ||
3163f725 JS |
2791 | INIT_LIST_HEAD(&phba->hbqbuf_in_list); |
2792 | ||
dea3101e | 2793 | /* Initialize the SLI Layer to run with lpfc HBAs. */ |
2794 | lpfc_sli_setup(phba); | |
2795 | lpfc_sli_queue_setup(phba); | |
2796 | ||
98c9ea5c JS |
2797 | retval = lpfc_mem_alloc(phba); |
2798 | if (retval) { | |
2799 | error = retval; | |
ed957684 | 2800 | goto out_free_hbqslimp; |
98c9ea5c | 2801 | } |
dea3101e | 2802 | |
2803 | /* Initialize and populate the iocb list per host. */ | |
2804 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
2805 | for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { | |
dd00cc48 | 2806 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e | 2807 | if (iocbq_entry == NULL) { |
2808 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
2809 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 2810 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e | 2811 | error = -ENOMEM; |
2812 | goto out_free_iocbq; | |
2813 | } | |
2814 | ||
604a3e30 JB |
2815 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
2816 | if (iotag == 0) { | |
2817 | kfree (iocbq_entry); | |
2818 | printk(KERN_ERR "%s: failed to allocate IOTAG. " | |
2819 | "Unloading driver.\n", | |
cadbd4a5 | 2820 | __func__); |
604a3e30 JB |
2821 | error = -ENOMEM; |
2822 | goto out_free_iocbq; | |
2823 | } | |
2e0fef85 JS |
2824 | |
2825 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 2826 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
2827 | phba->total_iocbq_bufs++; | |
2e0fef85 | 2828 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2829 | } |
2830 | ||
2831 | /* Initialize HBA structure */ | |
2832 | phba->fc_edtov = FF_DEF_EDTOV; | |
2833 | phba->fc_ratov = FF_DEF_RATOV; | |
2834 | phba->fc_altov = FF_DEF_ALTOV; | |
2835 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
2836 | ||
2837 | INIT_LIST_HEAD(&phba->work_list); | |
9399627f | 2838 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); |
dea3101e | 2839 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); |
2840 | ||
5e9d9b82 JS |
2841 | /* Initialize the wait queue head for the kernel thread */ |
2842 | init_waitqueue_head(&phba->work_waitq); | |
2843 | ||
dea3101e | 2844 | /* Startup the kernel thread for this host adapter. */ |
2845 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
2846 | "lpfc_worker_%d", phba->brd_no); | |
2847 | if (IS_ERR(phba->worker_thread)) { | |
2848 | error = PTR_ERR(phba->worker_thread); | |
2849 | goto out_free_iocbq; | |
2850 | } | |
2851 | ||
dea3101e | 2852 | /* Initialize the list of scsi buffers used by driver for scsi IO. */ |
875fbdfe | 2853 | spin_lock_init(&phba->scsi_buf_list_lock); |
dea3101e | 2854 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); |
2855 | ||
92d7f7b0 JS |
2856 | /* Initialize list of fabric iocbs */ |
2857 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
2858 | ||
0ff10d46 JS |
2859 | /* Initialize list to save ELS buffers */ |
2860 | INIT_LIST_HEAD(&phba->elsbuf); | |
2861 | ||
3de2a653 | 2862 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
2e0fef85 JS |
2863 | if (!vport) |
2864 | goto out_kthread_stop; | |
2865 | ||
2866 | shost = lpfc_shost_from_vport(vport); | |
2e0fef85 | 2867 | phba->pport = vport; |
858c9f6c | 2868 | lpfc_debugfs_initialize(vport); |
2e0fef85 | 2869 | |
92d7f7b0 | 2870 | pci_set_drvdata(pdev, shost); |
db2378e0 | 2871 | |
9399627f JS |
2872 | phba->MBslimaddr = phba->slim_memmap_p; |
2873 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
2874 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
2875 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
2876 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
2877 | ||
5b75da2f | 2878 | /* Configure sysfs attributes */ |
98c9ea5c | 2879 | if (lpfc_alloc_sysfs_attr(vport)) { |
9399627f JS |
2880 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2881 | "1476 Failed to allocate sysfs attr\n"); | |
98c9ea5c | 2882 | error = -ENOMEM; |
5b75da2f | 2883 | goto out_destroy_port; |
98c9ea5c | 2884 | } |
875fbdfe | 2885 | |
5b75da2f JS |
2886 | cfg_mode = phba->cfg_use_msi; |
2887 | while (true) { | |
2888 | /* Configure and enable interrupt */ | |
2889 | intr_mode = lpfc_enable_intr(phba, cfg_mode); | |
2890 | if (intr_mode == LPFC_INTR_ERROR) { | |
2891 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2892 | "0426 Failed to enable interrupt.\n"); | |
2893 | goto out_free_sysfs_attr; | |
2894 | } | |
2895 | /* HBA SLI setup */ | |
2896 | if (lpfc_sli_hba_setup(phba)) { | |
2897 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2898 | "1477 Failed to set up hba\n"); | |
2899 | error = -ENODEV; | |
2900 | goto out_remove_device; | |
2901 | } | |
2902 | ||
2903 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
2904 | msleep(50); | |
2905 | /* Check active interrupts received */ | |
2906 | if (phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
2907 | /* Log the current active interrupt mode */ | |
2908 | phba->intr_mode = intr_mode; | |
2909 | lpfc_log_intr_mode(phba, intr_mode); | |
2910 | break; | |
2911 | } else { | |
2912 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2913 | "0451 Configure interrupt mode (%d) " | |
2914 | "failed active interrupt test.\n", | |
2915 | intr_mode); | |
2916 | if (intr_mode == 0) { | |
2917 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2918 | "0479 Failed to enable " | |
2919 | "interrupt.\n"); | |
2920 | error = -ENODEV; | |
2921 | goto out_remove_device; | |
2922 | } | |
2923 | /* Stop HBA SLI setups */ | |
2924 | lpfc_stop_port(phba); | |
2925 | /* Disable the current interrupt mode */ | |
2926 | lpfc_disable_intr(phba); | |
2927 | /* Try next level of interrupt mode */ | |
2928 | cfg_mode = --intr_mode; | |
2929 | } | |
98c9ea5c | 2930 | } |
858c9f6c JS |
2931 | |
2932 | /* | |
2933 | * hba setup may have changed the hba_queue_depth so we need to adjust | |
2934 | * the value of can_queue. | |
2935 | */ | |
2936 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
81301a9b JS |
2937 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
2938 | ||
2939 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
2940 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2941 | "1478 Registering BlockGuard with the " | |
2942 | "SCSI layer\n"); | |
2943 | ||
2944 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
2945 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
2946 | } | |
2947 | } | |
2948 | ||
2949 | if (!_dump_buf_data) { | |
2950 | int pagecnt = 10; | |
2951 | while (pagecnt) { | |
2952 | spin_lock_init(&_dump_buf_lock); | |
2953 | _dump_buf_data = | |
2954 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
2955 | if (_dump_buf_data) { | |
2956 | printk(KERN_ERR "BLKGRD allocated %d pages for " | |
2957 | "_dump_buf_data at 0x%p\n", | |
2958 | (1 << pagecnt), _dump_buf_data); | |
2959 | _dump_buf_data_order = pagecnt; | |
2960 | memset(_dump_buf_data, 0, ((1 << PAGE_SHIFT) | |
2961 | << pagecnt)); | |
2962 | break; | |
2963 | } else { | |
2964 | --pagecnt; | |
2965 | } | |
2966 | ||
2967 | } | |
2968 | ||
2969 | if (!_dump_buf_data_order) | |
2970 | printk(KERN_ERR "BLKGRD ERROR unable to allocate " | |
2971 | "memory for hexdump\n"); | |
2972 | ||
2973 | } else { | |
2974 | printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p" | |
2975 | "\n", _dump_buf_data); | |
2976 | } | |
2977 | ||
2978 | ||
2979 | if (!_dump_buf_dif) { | |
2980 | int pagecnt = 10; | |
2981 | while (pagecnt) { | |
2982 | _dump_buf_dif = | |
2983 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
2984 | if (_dump_buf_dif) { | |
2985 | printk(KERN_ERR "BLKGRD allocated %d pages for " | |
2986 | "_dump_buf_dif at 0x%p\n", | |
2987 | (1 << pagecnt), _dump_buf_dif); | |
2988 | _dump_buf_dif_order = pagecnt; | |
2989 | memset(_dump_buf_dif, 0, ((1 << PAGE_SHIFT) | |
2990 | << pagecnt)); | |
2991 | break; | |
2992 | } else { | |
2993 | --pagecnt; | |
2994 | } | |
2995 | ||
2996 | } | |
2997 | ||
2998 | if (!_dump_buf_dif_order) | |
2999 | printk(KERN_ERR "BLKGRD ERROR unable to allocate " | |
3000 | "memory for hexdump\n"); | |
3001 | ||
3002 | } else { | |
3003 | printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n", | |
3004 | _dump_buf_dif); | |
3005 | } | |
858c9f6c JS |
3006 | |
3007 | lpfc_host_attrib_init(shost); | |
3008 | ||
2e0fef85 JS |
3009 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3010 | spin_lock_irq(shost->host_lock); | |
3011 | lpfc_poll_start_timer(phba); | |
3012 | spin_unlock_irq(shost->host_lock); | |
3013 | } | |
dea3101e | 3014 | |
9399627f JS |
3015 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
3016 | "0428 Perform SCSI scan\n"); | |
ea2151b4 JS |
3017 | /* Send board arrival event to upper layer */ |
3018 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
3019 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
3020 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
3021 | sizeof(adapter_event), | |
3022 | (char *) &adapter_event, | |
ddcc50f0 | 3023 | LPFC_NL_VENDOR_ID); |
ea2151b4 | 3024 | |
dea3101e | 3025 | return 0; |
3026 | ||
858c9f6c | 3027 | out_remove_device: |
858c9f6c | 3028 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 3029 | vport->load_flag |= FC_UNLOADING; |
858c9f6c | 3030 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 3031 | lpfc_stop_phba_timers(phba); |
2e0fef85 | 3032 | phba->pport->work_port_events = 0; |
5b75da2f | 3033 | lpfc_disable_intr(phba); |
9f1e1b50 JS |
3034 | lpfc_sli_hba_down(phba); |
3035 | lpfc_sli_brdrestart(phba); | |
5b75da2f JS |
3036 | out_free_sysfs_attr: |
3037 | lpfc_free_sysfs_attr(vport); | |
3038 | out_destroy_port: | |
2e0fef85 | 3039 | destroy_port(vport); |
dea3101e | 3040 | out_kthread_stop: |
3041 | kthread_stop(phba->worker_thread); | |
3042 | out_free_iocbq: | |
3043 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
3044 | &phba->lpfc_iocb_list, list) { | |
dea3101e | 3045 | kfree(iocbq_entry); |
3046 | phba->total_iocbq_bufs--; | |
dea3101e | 3047 | } |
3048 | lpfc_mem_free(phba); | |
ed957684 | 3049 | out_free_hbqslimp: |
34b02dcd JS |
3050 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), |
3051 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
dea3101e | 3052 | out_free_slim: |
34b02dcd JS |
3053 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, |
3054 | phba->slim2p.virt, phba->slim2p.phys); | |
dea3101e | 3055 | out_iounmap: |
3056 | iounmap(phba->ctrl_regs_memmap_p); | |
901a920f | 3057 | out_iounmap_slim: |
dea3101e | 3058 | iounmap(phba->slim_memmap_p); |
3059 | out_idr_remove: | |
3060 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2e0fef85 JS |
3061 | out_free_phba: |
3062 | kfree(phba); | |
dea3101e | 3063 | out_release_regions: |
8a4df120 | 3064 | pci_release_selected_regions(pdev, bars); |
dea3101e | 3065 | out_disable_device: |
3066 | pci_disable_device(pdev); | |
3067 | out: | |
defbcf11 | 3068 | pci_set_drvdata(pdev, NULL); |
858c9f6c JS |
3069 | if (shost) |
3070 | scsi_host_put(shost); | |
dea3101e | 3071 | return error; |
3072 | } | |
3073 | ||
e59058c4 | 3074 | /** |
3621a710 | 3075 | * lpfc_pci_remove_one - lpfc PCI func to unregister device from PCI subsystem |
e59058c4 JS |
3076 | * @pdev: pointer to PCI device |
3077 | * | |
3078 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
3a55b532 | 3079 | * Emulex HBA is removed from PCI bus, it performs all the necessary cleanup |
e59058c4 JS |
3080 | * for the HBA device to be removed from the PCI subsystem properly. |
3081 | **/ | |
dea3101e | 3082 | static void __devexit |
3083 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
3084 | { | |
2e0fef85 JS |
3085 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3086 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
eada272d | 3087 | struct lpfc_vport **vports; |
2e0fef85 | 3088 | struct lpfc_hba *phba = vport->phba; |
eada272d | 3089 | int i; |
8a4df120 TK |
3090 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
3091 | ||
549e55cd | 3092 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 3093 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 3094 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 3095 | |
858c9f6c JS |
3096 | lpfc_free_sysfs_attr(vport); |
3097 | ||
eada272d JS |
3098 | /* Release all the vports against this physical port */ |
3099 | vports = lpfc_create_vport_work_array(phba); | |
3100 | if (vports != NULL) | |
3101 | for (i = 1; i <= phba->max_vpi && vports[i] != NULL; i++) | |
3102 | fc_vport_terminate(vports[i]->fc_vport); | |
3103 | lpfc_destroy_vport_work_array(phba, vports); | |
3104 | ||
3105 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
3106 | fc_remove_host(shost); |
3107 | scsi_remove_host(shost); | |
87af33fe JS |
3108 | lpfc_cleanup(vport); |
3109 | ||
2e0fef85 JS |
3110 | /* |
3111 | * Bring down the SLI Layer. This step disable all interrupts, | |
3112 | * clears the rings, discards all mailbox commands, and resets | |
3113 | * the HBA. | |
3114 | */ | |
a257bf90 JS |
3115 | |
3116 | /* HBA interrupt will be diabled after this call */ | |
2e0fef85 | 3117 | lpfc_sli_hba_down(phba); |
a257bf90 JS |
3118 | /* Stop kthread signal shall trigger work_done one more time */ |
3119 | kthread_stop(phba->worker_thread); | |
3120 | /* Final cleanup of txcmplq and reset the HBA */ | |
2e0fef85 JS |
3121 | lpfc_sli_brdrestart(phba); |
3122 | ||
92d7f7b0 | 3123 | lpfc_stop_phba_timers(phba); |
858c9f6c JS |
3124 | spin_lock_irq(&phba->hbalock); |
3125 | list_del_init(&vport->listentry); | |
3126 | spin_unlock_irq(&phba->hbalock); | |
3127 | ||
858c9f6c | 3128 | lpfc_debugfs_terminate(vport); |
2e0fef85 | 3129 | |
5b75da2f JS |
3130 | /* Disable interrupt */ |
3131 | lpfc_disable_intr(phba); | |
dea3101e | 3132 | |
3133 | pci_set_drvdata(pdev, NULL); | |
858c9f6c | 3134 | scsi_host_put(shost); |
2e0fef85 JS |
3135 | |
3136 | /* | |
3137 | * Call scsi_free before mem_free since scsi bufs are released to their | |
3138 | * corresponding pools here. | |
3139 | */ | |
3140 | lpfc_scsi_free(phba); | |
3141 | lpfc_mem_free(phba); | |
3142 | ||
34b02dcd JS |
3143 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), |
3144 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
ed957684 | 3145 | |
2e0fef85 JS |
3146 | /* Free resources associated with SLI2 interface */ |
3147 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
34b02dcd | 3148 | phba->slim2p.virt, phba->slim2p.phys); |
2e0fef85 JS |
3149 | |
3150 | /* unmap adapter SLIM and Control Registers */ | |
3151 | iounmap(phba->ctrl_regs_memmap_p); | |
3152 | iounmap(phba->slim_memmap_p); | |
3153 | ||
3154 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
3155 | ||
3156 | kfree(phba); | |
3157 | ||
8a4df120 | 3158 | pci_release_selected_regions(pdev, bars); |
2e0fef85 | 3159 | pci_disable_device(pdev); |
dea3101e | 3160 | } |
3161 | ||
3a55b532 | 3162 | /** |
3621a710 | 3163 | * lpfc_pci_suspend_one - lpfc PCI func to suspend device for power management |
3a55b532 JS |
3164 | * @pdev: pointer to PCI device |
3165 | * @msg: power management message | |
3166 | * | |
3167 | * This routine is to be registered to the kernel's PCI subsystem to support | |
3168 | * system Power Management (PM). When PM invokes this method, it quiesces the | |
3169 | * device by stopping the driver's worker thread for the device, turning off | |
3170 | * device's interrupt and DMA, and bring the device offline. Note that as the | |
3171 | * driver implements the minimum PM requirements to a power-aware driver's PM | |
3172 | * support for suspend/resume -- all the possible PM messages (SUSPEND, | |
3173 | * HIBERNATE, FREEZE) to the suspend() method call will be treated as SUSPEND | |
3174 | * and the driver will fully reinitialize its device during resume() method | |
3175 | * call, the driver will set device to PCI_D3hot state in PCI config space | |
3176 | * instead of setting it according to the @msg provided by the PM. | |
3177 | * | |
3178 | * Return code | |
3179 | * 0 - driver suspended the device | |
3180 | * Error otherwise | |
3181 | **/ | |
3182 | static int | |
3183 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
3184 | { | |
3185 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
3186 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3187 | ||
3188 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3189 | "0473 PCI device Power Management suspend.\n"); | |
3190 | ||
3191 | /* Bring down the device */ | |
3192 | lpfc_offline_prep(phba); | |
3193 | lpfc_offline(phba); | |
3194 | kthread_stop(phba->worker_thread); | |
3195 | ||
3196 | /* Disable interrupt from device */ | |
3197 | lpfc_disable_intr(phba); | |
3198 | ||
3199 | /* Save device state to PCI config space */ | |
3200 | pci_save_state(pdev); | |
3201 | pci_set_power_state(pdev, PCI_D3hot); | |
3202 | ||
3203 | return 0; | |
3204 | } | |
3205 | ||
3206 | /** | |
3621a710 | 3207 | * lpfc_pci_resume_one - lpfc PCI func to resume device for power management |
3a55b532 JS |
3208 | * @pdev: pointer to PCI device |
3209 | * | |
3210 | * This routine is to be registered to the kernel's PCI subsystem to support | |
3211 | * system Power Management (PM). When PM invokes this method, it restores | |
3212 | * the device's PCI config space state and fully reinitializes the device | |
3213 | * and brings it online. Note that as the driver implements the minimum PM | |
3214 | * requirements to a power-aware driver's PM for suspend/resume -- all | |
3215 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
3216 | * method call will be treated as SUSPEND and the driver will fully | |
3217 | * reinitialize its device during resume() method call, the device will be | |
3218 | * set to PCI_D0 directly in PCI config space before restoring the state. | |
3219 | * | |
3220 | * Return code | |
3221 | * 0 - driver suspended the device | |
3222 | * Error otherwise | |
3223 | **/ | |
3224 | static int | |
3225 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
3226 | { | |
3227 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
3228 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 3229 | uint32_t intr_mode; |
3a55b532 JS |
3230 | int error; |
3231 | ||
3232 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3233 | "0452 PCI device Power Management resume.\n"); | |
3234 | ||
3235 | /* Restore device state from PCI config space */ | |
3236 | pci_set_power_state(pdev, PCI_D0); | |
3237 | pci_restore_state(pdev); | |
3238 | if (pdev->is_busmaster) | |
3239 | pci_set_master(pdev); | |
3240 | ||
3241 | /* Startup the kernel thread for this host adapter. */ | |
3242 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
3243 | "lpfc_worker_%d", phba->brd_no); | |
3244 | if (IS_ERR(phba->worker_thread)) { | |
3245 | error = PTR_ERR(phba->worker_thread); | |
3246 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3247 | "0434 PM resume failed to start worker " | |
3248 | "thread: error=x%x.\n", error); | |
3249 | return error; | |
3250 | } | |
3251 | ||
5b75da2f JS |
3252 | /* Configure and enable interrupt */ |
3253 | intr_mode = lpfc_enable_intr(phba, phba->intr_mode); | |
3254 | if (intr_mode == LPFC_INTR_ERROR) { | |
3a55b532 | 3255 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
5b75da2f JS |
3256 | "0430 PM resume Failed to enable interrupt\n"); |
3257 | return -EIO; | |
3258 | } else | |
3259 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
3260 | |
3261 | /* Restart HBA and bring it online */ | |
3262 | lpfc_sli_brdrestart(phba); | |
3263 | lpfc_online(phba); | |
3264 | ||
5b75da2f JS |
3265 | /* Log the current active interrupt mode */ |
3266 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
3267 | ||
3a55b532 JS |
3268 | return 0; |
3269 | } | |
3270 | ||
8d63f375 | 3271 | /** |
3621a710 | 3272 | * lpfc_io_error_detected - Driver method for handling PCI I/O error detected |
e59058c4 JS |
3273 | * @pdev: pointer to PCI device. |
3274 | * @state: the current PCI connection state. | |
8d63f375 | 3275 | * |
e59058c4 JS |
3276 | * This routine is registered to the PCI subsystem for error handling. This |
3277 | * function is called by the PCI subsystem after a PCI bus error affecting | |
3278 | * this device has been detected. When this function is invoked, it will | |
3279 | * need to stop all the I/Os and interrupt(s) to the device. Once that is | |
3280 | * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to | |
3281 | * perform proper recovery as desired. | |
3282 | * | |
3283 | * Return codes | |
3284 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
3285 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
3286 | **/ | |
8d63f375 LV |
3287 | static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, |
3288 | pci_channel_state_t state) | |
3289 | { | |
51ef4c26 JS |
3290 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3291 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 LV |
3292 | struct lpfc_sli *psli = &phba->sli; |
3293 | struct lpfc_sli_ring *pring; | |
3294 | ||
a8e497d5 JS |
3295 | if (state == pci_channel_io_perm_failure) { |
3296 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3297 | "0472 PCI channel I/O permanent failure\n"); | |
3298 | /* Block all SCSI devices' I/Os on the host */ | |
3299 | lpfc_scsi_dev_block(phba); | |
3300 | /* Clean up all driver's outstanding SCSI I/Os */ | |
3301 | lpfc_sli_flush_fcp_rings(phba); | |
8d63f375 | 3302 | return PCI_ERS_RESULT_DISCONNECT; |
a8e497d5 | 3303 | } |
5daa49ef | 3304 | |
8d63f375 LV |
3305 | pci_disable_device(pdev); |
3306 | /* | |
3307 | * There may be I/Os dropped by the firmware. | |
3308 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
3309 | * retry it after re-establishing link. | |
3310 | */ | |
3311 | pring = &psli->ring[psli->fcp_ring]; | |
3312 | lpfc_sli_abort_iocb_ring(phba, pring); | |
3313 | ||
5b75da2f JS |
3314 | /* Disable interrupt */ |
3315 | lpfc_disable_intr(phba); | |
51ef4c26 | 3316 | |
8d63f375 LV |
3317 | /* Request a slot reset. */ |
3318 | return PCI_ERS_RESULT_NEED_RESET; | |
3319 | } | |
3320 | ||
3321 | /** | |
3621a710 | 3322 | * lpfc_io_slot_reset - Restart a PCI device from scratch |
e59058c4 JS |
3323 | * @pdev: pointer to PCI device. |
3324 | * | |
3325 | * This routine is registered to the PCI subsystem for error handling. This is | |
3326 | * called after PCI bus has been reset to restart the PCI card from scratch, | |
3327 | * as if from a cold-boot. During the PCI subsystem error recovery, after the | |
3328 | * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform | |
3329 | * proper error recovery and then call this routine before calling the .resume | |
3330 | * method to recover the device. This function will initialize the HBA device, | |
3331 | * enable the interrupt, but it will just put the HBA to offline state without | |
3332 | * passing any I/O traffic. | |
8d63f375 | 3333 | * |
e59058c4 JS |
3334 | * Return codes |
3335 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
3336 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 LV |
3337 | */ |
3338 | static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) | |
3339 | { | |
51ef4c26 JS |
3340 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3341 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 3342 | struct lpfc_sli *psli = &phba->sli; |
5b75da2f | 3343 | uint32_t intr_mode; |
8d63f375 LV |
3344 | |
3345 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
09483916 | 3346 | if (pci_enable_device_mem(pdev)) { |
8d63f375 LV |
3347 | printk(KERN_ERR "lpfc: Cannot re-enable " |
3348 | "PCI device after reset.\n"); | |
3349 | return PCI_ERS_RESULT_DISCONNECT; | |
3350 | } | |
3351 | ||
97207482 JS |
3352 | pci_restore_state(pdev); |
3353 | if (pdev->is_busmaster) | |
3354 | pci_set_master(pdev); | |
8d63f375 | 3355 | |
92d7f7b0 | 3356 | spin_lock_irq(&phba->hbalock); |
8d63f375 | 3357 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 3358 | spin_unlock_irq(&phba->hbalock); |
8d63f375 | 3359 | |
5b75da2f JS |
3360 | /* Configure and enable interrupt */ |
3361 | intr_mode = lpfc_enable_intr(phba, phba->intr_mode); | |
3362 | if (intr_mode == LPFC_INTR_ERROR) { | |
3363 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3364 | "0427 Cannot re-enable interrupt after " | |
3365 | "slot reset.\n"); | |
3366 | return PCI_ERS_RESULT_DISCONNECT; | |
3367 | } else | |
3368 | phba->intr_mode = intr_mode; | |
8d63f375 LV |
3369 | |
3370 | /* Take device offline; this will perform cleanup */ | |
3371 | lpfc_offline(phba); | |
3372 | lpfc_sli_brdrestart(phba); | |
3373 | ||
5b75da2f JS |
3374 | /* Log the current active interrupt mode */ |
3375 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
3376 | ||
8d63f375 LV |
3377 | return PCI_ERS_RESULT_RECOVERED; |
3378 | } | |
3379 | ||
3380 | /** | |
3621a710 | 3381 | * lpfc_io_resume - Resume PCI I/O operation |
e59058c4 | 3382 | * @pdev: pointer to PCI device |
8d63f375 | 3383 | * |
e59058c4 JS |
3384 | * This routine is registered to the PCI subsystem for error handling. It is |
3385 | * called when kernel error recovery tells the lpfc driver that it is ok to | |
3386 | * resume normal PCI operation after PCI bus error recovery. After this call, | |
3387 | * traffic can start to flow from this device again. | |
8d63f375 LV |
3388 | */ |
3389 | static void lpfc_io_resume(struct pci_dev *pdev) | |
3390 | { | |
51ef4c26 JS |
3391 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3392 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 3393 | |
58da1ffb | 3394 | lpfc_online(phba); |
8d63f375 LV |
3395 | } |
3396 | ||
dea3101e | 3397 | static struct pci_device_id lpfc_id_table[] = { |
3398 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
3399 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
3400 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
3401 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3402 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
3403 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3404 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
3405 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3406 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
3407 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3408 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
3409 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3410 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
3411 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3412 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
3413 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3414 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
3415 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3416 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
3417 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3418 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
3419 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3420 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
3421 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3422 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
3423 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3424 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
3425 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3426 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
3427 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3428 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
3429 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3430 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
3431 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3432 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
3433 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
3434 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
3435 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3436 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
3437 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3438 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
3439 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3440 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
3441 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3442 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
3443 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3444 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
3445 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3446 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
3447 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3448 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
3449 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3450 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
3451 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3452 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
3453 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
3454 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
3455 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3456 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
3457 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3458 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
3459 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3460 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
3461 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3462 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
3463 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3464 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
3465 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
3466 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
3467 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3468 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
3469 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3470 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
3471 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3472 | { 0 } |
3473 | }; | |
3474 | ||
3475 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
3476 | ||
8d63f375 LV |
3477 | static struct pci_error_handlers lpfc_err_handler = { |
3478 | .error_detected = lpfc_io_error_detected, | |
3479 | .slot_reset = lpfc_io_slot_reset, | |
3480 | .resume = lpfc_io_resume, | |
3481 | }; | |
3482 | ||
dea3101e | 3483 | static struct pci_driver lpfc_driver = { |
3484 | .name = LPFC_DRIVER_NAME, | |
3485 | .id_table = lpfc_id_table, | |
3486 | .probe = lpfc_pci_probe_one, | |
3487 | .remove = __devexit_p(lpfc_pci_remove_one), | |
3a55b532 JS |
3488 | .suspend = lpfc_pci_suspend_one, |
3489 | .resume = lpfc_pci_resume_one, | |
2e0fef85 | 3490 | .err_handler = &lpfc_err_handler, |
dea3101e | 3491 | }; |
3492 | ||
e59058c4 | 3493 | /** |
3621a710 | 3494 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
3495 | * |
3496 | * This routine is to be invoked when the lpfc module is loaded into the | |
3497 | * kernel. The special kernel macro module_init() is used to indicate the | |
3498 | * role of this routine to the kernel as lpfc module entry point. | |
3499 | * | |
3500 | * Return codes | |
3501 | * 0 - successful | |
3502 | * -ENOMEM - FC attach transport failed | |
3503 | * all others - failed | |
3504 | */ | |
dea3101e | 3505 | static int __init |
3506 | lpfc_init(void) | |
3507 | { | |
3508 | int error = 0; | |
3509 | ||
3510 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 3511 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 3512 | |
7ee5d43e JS |
3513 | if (lpfc_enable_npiv) { |
3514 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
3515 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
3516 | } | |
dea3101e | 3517 | lpfc_transport_template = |
3518 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 3519 | if (lpfc_transport_template == NULL) |
dea3101e | 3520 | return -ENOMEM; |
7ee5d43e | 3521 | if (lpfc_enable_npiv) { |
7ee5d43e | 3522 | lpfc_vport_transport_template = |
98c9ea5c JS |
3523 | fc_attach_transport(&lpfc_vport_transport_functions); |
3524 | if (lpfc_vport_transport_template == NULL) { | |
3525 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 3526 | return -ENOMEM; |
98c9ea5c | 3527 | } |
7ee5d43e | 3528 | } |
dea3101e | 3529 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 3530 | if (error) { |
dea3101e | 3531 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
3532 | if (lpfc_enable_npiv) |
3533 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 3534 | } |
dea3101e | 3535 | |
3536 | return error; | |
3537 | } | |
3538 | ||
e59058c4 | 3539 | /** |
3621a710 | 3540 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
3541 | * |
3542 | * This routine is invoked when the lpfc module is removed from the kernel. | |
3543 | * The special kernel macro module_exit() is used to indicate the role of | |
3544 | * this routine to the kernel as lpfc module exit point. | |
3545 | */ | |
dea3101e | 3546 | static void __exit |
3547 | lpfc_exit(void) | |
3548 | { | |
3549 | pci_unregister_driver(&lpfc_driver); | |
3550 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
3551 | if (lpfc_enable_npiv) |
3552 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b JS |
3553 | if (_dump_buf_data) { |
3554 | printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data " | |
3555 | "at 0x%p\n", | |
3556 | (1L << _dump_buf_data_order), _dump_buf_data); | |
3557 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
3558 | } | |
3559 | ||
3560 | if (_dump_buf_dif) { | |
3561 | printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif " | |
3562 | "at 0x%p\n", | |
3563 | (1L << _dump_buf_dif_order), _dump_buf_dif); | |
3564 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
3565 | } | |
dea3101e | 3566 | } |
3567 | ||
3568 | module_init(lpfc_init); | |
3569 | module_exit(lpfc_exit); | |
3570 | MODULE_LICENSE("GPL"); | |
3571 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
3572 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
3573 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |