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[SCSI] lpfc 8.2.2 : Attribute and Parameter splits for vport and physical port
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e
JB		 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
9413afff 4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e
JB		 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e
JB		 20 *******************************************************************/
21
dea3101e
JB		 22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <linux/dma-mapping.h>
25#include <linux/idr.h>
26#include <linux/interrupt.h>
27#include <linux/kthread.h>
28#include <linux/pci.h>
29#include <linux/spinlock.h>
92d7f7b0 30#include <linux/ctype.h>
dea3101e 31
91886523 32#include <scsi/scsi.h>
dea3101e
JB		 33#include <scsi/scsi_device.h>
34#include <scsi/scsi_host.h>
35#include <scsi/scsi_transport_fc.h>
36
37#include "lpfc_hw.h"
38#include "lpfc_sli.h"
39#include "lpfc_disc.h"
40#include "lpfc_scsi.h"
41#include "lpfc.h"
42#include "lpfc_logmsg.h"
43#include "lpfc_crtn.h"
92d7f7b0 44#include "lpfc_vport.h"
dea3101e 45#include "lpfc_version.h"
92d7f7b0 46#include "lpfc_vport.h"
dea3101e 47
74b72a59 48static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
dea3101e
JB		 49static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
50static int lpfc_post_rcv_buf(struct lpfc_hba *);
51
52static struct scsi_transport_template *lpfc_transport_template = NULL;
92d7f7b0 53static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
dea3101e
JB		 54static DEFINE_IDR(lpfc_hba_index);
55
2e0fef85
JS		 56
57
dea3101e
JB		 58/************************************************************************/
59/* */
60/* lpfc_config_port_prep */
61/* This routine will do LPFC initialization prior to the */
62/* CONFIG_PORT mailbox command. This will be initialized */
63/* as a SLI layer callback routine. */
64/* This routine returns 0 on success or -ERESTART if it wants */
65/* the SLI layer to reset the HBA and try again. Any */
66/* other return value indicates an error. */
67/* */
68/************************************************************************/
69int
2e0fef85 70lpfc_config_port_prep(struct lpfc_hba *phba)
dea3101e
JB		 71{
72 lpfc_vpd_t *vp = &phba->vpd;
73 int i = 0, rc;
74 LPFC_MBOXQ_t *pmb;
75 MAILBOX_t *mb;
76 char *lpfc_vpd_data = NULL;
77 uint16_t offset = 0;
78 static char licensed[56] =
79 "key unlock for use with gnu public licensed code only\0";
65a29c16 80 static int init_key = 1;
dea3101e
JB		 81
82 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
83 if (!pmb) {
2e0fef85 84 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 85 return -ENOMEM;
86 }
87
88 mb = &pmb->mb;
2e0fef85 89 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e
JB		 90
91 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
65a29c16
JS		 92 if (init_key) {
93 uint32_t *ptext = (uint32_t *) licensed;
dea3101e 94
65a29c16
JS		 95 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
96 *ptext = cpu_to_be32(*ptext);
97 init_key = 0;
98 }
dea3101e
JB		 99
100 lpfc_read_nv(phba, pmb);
101 memset((char*)mb->un.varRDnvp.rsvd3, 0,
102 sizeof (mb->un.varRDnvp.rsvd3));
103 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
104 sizeof (licensed));
105
106 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
107
108 if (rc != MBX_SUCCESS) {
ed957684 109 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
dea3101e
JB		 110 "%d:0324 Config Port initialization "
111 "error, mbxCmd x%x READ_NVPARM, "
112 "mbxStatus x%x\n",
113 phba->brd_no,
114 mb->mbxCommand, mb->mbxStatus);
115 mempool_free(pmb, phba->mbox_mem_pool);
116 return -ERESTART;
117 }
118 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
2e0fef85
JS		 119 sizeof(phba->wwnn));
120 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
121 sizeof(phba->wwpn));
dea3101e
JB		 122 }
123
92d7f7b0
JS		 124 phba->sli3_options = 0x0;
125
dea3101e
JB		 126 /* Setup and issue mailbox READ REV command */
127 lpfc_read_rev(phba, pmb);
128 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
129 if (rc != MBX_SUCCESS) {
ed957684 130 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
dea3101e
JB		 131 "%d:0439 Adapter failed to init, mbxCmd x%x "
132 "READ_REV, mbxStatus x%x\n",
133 phba->brd_no,
134 mb->mbxCommand, mb->mbxStatus);
135 mempool_free( pmb, phba->mbox_mem_pool);
136 return -ERESTART;
137 }
138
92d7f7b0 139
1de933f3
JSEC		 140 /*
141 * The value of rr must be 1 since the driver set the cv field to 1.
142 * This setting requires the FW to set all revision fields.
dea3101e 143 */
1de933f3 144 if (mb->un.varRdRev.rr == 0) {
dea3101e 145 vp->rev.rBit = 0;
1de933f3
JSEC		 146 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
147 "%d:0440 Adapter failed to init, READ_REV has "
148 "missing revision information.\n",
149 phba->brd_no);
dea3101e
JB		 150 mempool_free(pmb, phba->mbox_mem_pool);
151 return -ERESTART;
dea3101e
JB		 152 }
153
ed957684
JS		 154 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
155 return -EINVAL;
156
dea3101e 157 /* Save information as VPD data */
1de933f3 158 vp->rev.rBit = 1;
92d7f7b0 159 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
1de933f3
JSEC		 160 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
161 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
162 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
163 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
dea3101e
JB		 164 vp->rev.biuRev = mb->un.varRdRev.biuRev;
165 vp->rev.smRev = mb->un.varRdRev.smRev;
166 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
167 vp->rev.endecRev = mb->un.varRdRev.endecRev;
168 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
169 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
170 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
171 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
172 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
173 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
174
92d7f7b0
JS		 175 /* If the sli feature level is less then 9, we must
176 * tear down all RPIs and VPIs on link down if NPIV
177 * is enabled.
178 */
179 if (vp->rev.feaLevelHigh < 9)
180 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
181
dea3101e
JB		 182 if (lpfc_is_LC_HBA(phba->pcidev->device))
183 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
184 sizeof (phba->RandomData));
185
dea3101e
JB		 186 /* Get adapter VPD information */
187 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
188 if (!pmb->context2)
189 goto out_free_mbox;
190 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
191 if (!lpfc_vpd_data)
192 goto out_free_context2;
193
194 do {
195 lpfc_dump_mem(phba, pmb, offset);
196 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
197
198 if (rc != MBX_SUCCESS) {
199 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
200 "%d:0441 VPD not present on adapter, "
201 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
202 phba->brd_no,
203 mb->mbxCommand, mb->mbxStatus);
74b72a59 204 mb->un.varDmp.word_cnt = 0;
dea3101e 205 }
74b72a59
JW		 206 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
207 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
dea3101e 208 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
92d7f7b0 209 mb->un.varDmp.word_cnt);
dea3101e 210 offset += mb->un.varDmp.word_cnt;
74b72a59
JW		 211 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
212 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
dea3101e
JB		 213
214 kfree(lpfc_vpd_data);
215out_free_context2:
216 kfree(pmb->context2);
217out_free_mbox:
218 mempool_free(pmb, phba->mbox_mem_pool);
219 return 0;
220}
221
222/************************************************************************/
223/* */
224/* lpfc_config_port_post */
225/* This routine will do LPFC initialization after the */
226/* CONFIG_PORT mailbox command. This will be initialized */
227/* as a SLI layer callback routine. */
228/* This routine returns 0 on success. Any other return value */
229/* indicates an error. */
230/* */
231/************************************************************************/
232int
2e0fef85 233lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 234{
2e0fef85 235 struct lpfc_vport *vport = phba->pport;
dea3101e
JB		 236 LPFC_MBOXQ_t *pmb;
237 MAILBOX_t *mb;
238 struct lpfc_dmabuf *mp;
239 struct lpfc_sli *psli = &phba->sli;
240 uint32_t status, timeout;
2e0fef85
JS		 241 int i, j;
242 int rc;
dea3101e
JB		 243
244 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
245 if (!pmb) {
2e0fef85 246 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 247 return -ENOMEM;
248 }
249 mb = &pmb->mb;
250
dea3101e 251 /* Get login parameters for NID. */
92d7f7b0 252 lpfc_read_sparam(phba, pmb, 0);
ed957684 253 pmb->vport = vport;
dea3101e 254 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
dea3101e
JB		 256 "%d:0448 Adapter failed init, mbxCmd x%x "
257 "READ_SPARM mbxStatus x%x\n",
258 phba->brd_no,
259 mb->mbxCommand, mb->mbxStatus);
2e0fef85 260 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 261 mp = (struct lpfc_dmabuf *) pmb->context1;
262 mempool_free( pmb, phba->mbox_mem_pool);
263 lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 kfree(mp);
265 return -EIO;
266 }
267
268 mp = (struct lpfc_dmabuf *) pmb->context1;
269
2e0fef85 270 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e
JB		 271 lpfc_mbuf_free(phba, mp->virt, mp->phys);
272 kfree(mp);
273 pmb->context1 = NULL;
274
a12e07bc 275 if (phba->cfg_soft_wwnn)
2e0fef85
JS		 276 u64_to_wwn(phba->cfg_soft_wwnn,
277 vport->fc_sparam.nodeName.u.wwn);
c3f28afa 278 if (phba->cfg_soft_wwpn)
2e0fef85
JS		 279 u64_to_wwn(phba->cfg_soft_wwpn,
280 vport->fc_sparam.portName.u.wwn);
281 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
dea3101e 282 sizeof (struct lpfc_name));
2e0fef85 283 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
dea3101e
JB		 284 sizeof (struct lpfc_name));
285 /* If no serial number in VPD data, use low 6 bytes of WWNN */
286 /* This should be consolidated into parse_vpd ? - mr */
287 if (phba->SerialNumber[0] == 0) {
288 uint8_t *outptr;
289
2e0fef85 290 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e
JB		 291 for (i = 0; i < 12; i++) {
292 status = *outptr++;
293 j = ((status & 0xf0) >> 4);
294 if (j <= 9)
295 phba->SerialNumber[i] =
296 (char)((uint8_t) 0x30 + (uint8_t) j);
297 else
298 phba->SerialNumber[i] =
299 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
300 i++;
301 j = (status & 0xf);
302 if (j <= 9)
303 phba->SerialNumber[i] =
304 (char)((uint8_t) 0x30 + (uint8_t) j);
305 else
306 phba->SerialNumber[i] =
307 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
308 }
309 }
310
dea3101e 311 lpfc_read_config(phba, pmb);
ed957684 312 pmb->vport = vport;
dea3101e 313 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 314 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
dea3101e
JB		 315 "%d:0453 Adapter failed to init, mbxCmd x%x "
316 "READ_CONFIG, mbxStatus x%x\n",
317 phba->brd_no,
318 mb->mbxCommand, mb->mbxStatus);
2e0fef85 319 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 320 mempool_free( pmb, phba->mbox_mem_pool);
321 return -EIO;
322 }
323
324 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
325 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
326 phba->cfg_hba_queue_depth =
327 mb->un.varRdConfig.max_xri + 1;
328
329 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 330
331 /* Get the default values for Model Name and Description */
332 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
333
334 if ((phba->cfg_link_speed > LINK_SPEED_10G)
335 || ((phba->cfg_link_speed == LINK_SPEED_1G)
336 && !(phba->lmt & LMT_1Gb))
337 || ((phba->cfg_link_speed == LINK_SPEED_2G)
338 && !(phba->lmt & LMT_2Gb))
339 || ((phba->cfg_link_speed == LINK_SPEED_4G)
340 && !(phba->lmt & LMT_4Gb))
341 || ((phba->cfg_link_speed == LINK_SPEED_8G)
342 && !(phba->lmt & LMT_8Gb))
343 || ((phba->cfg_link_speed == LINK_SPEED_10G)
344 && !(phba->lmt & LMT_10Gb))) {
345 /* Reset link speed to auto */
ed957684 346 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
dea3101e
JB		 347 "%d:1302 Invalid speed for this board: "
348 "Reset link speed to auto: x%x\n",
349 phba->brd_no,
350 phba->cfg_link_speed);
351 phba->cfg_link_speed = LINK_SPEED_AUTO;
352 }
353
2e0fef85 354 phba->link_state = LPFC_LINK_DOWN;
dea3101e
JB		 355
356 /* Only process IOCBs on ring 0 till hba_state is READY */
a4bc3379
JS		 357 if (psli->ring[psli->extra_ring].cmdringaddr)
358 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
dea3101e
JB		 359 if (psli->ring[psli->fcp_ring].cmdringaddr)
360 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
361 if (psli->ring[psli->next_ring].cmdringaddr)
362 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
363
364 /* Post receive buffers for desired rings */
ed957684
JS		 365 if (phba->sli_rev != 3)
366 lpfc_post_rcv_buf(phba);
dea3101e
JB		 367
368 /* Enable appropriate host interrupts */
2e0fef85 369 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 370 status = readl(phba->HCregaddr);
371 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
372 if (psli->num_rings > 0)
373 status |= HC_R0INT_ENA;
374 if (psli->num_rings > 1)
375 status |= HC_R1INT_ENA;
376 if (psli->num_rings > 2)
377 status |= HC_R2INT_ENA;
378 if (psli->num_rings > 3)
379 status |= HC_R3INT_ENA;
380
875fbdfe
JSEC		 381 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
382 (phba->cfg_poll & DISABLE_FCP_RING_INT))
383 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
384
dea3101e
JB		 385 writel(status, phba->HCregaddr);
386 readl(phba->HCregaddr); /* flush */
2e0fef85 387 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 388
389 /*
390 * Setup the ring 0 (els) timeout handler
391 */
392 timeout = phba->fc_ratov << 1;
2e0fef85 393 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
858c9f6c
JS		 394 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
395 phba->hb_outstanding = 0;
396 phba->last_completion_time = jiffies;
dea3101e
JB		 397
398 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
399 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 400 pmb->vport = vport;
8aee918a 401 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
5b8bd0c9 402 lpfc_set_loopback_flag(phba);
8aee918a 403 if (rc != MBX_SUCCESS) {
ed957684 404 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
dea3101e
JB		 405 "%d:0454 Adapter failed to init, mbxCmd x%x "
406 "INIT_LINK, mbxStatus x%x\n",
407 phba->brd_no,
408 mb->mbxCommand, mb->mbxStatus);
409
410 /* Clear all interrupt enable conditions */
411 writel(0, phba->HCregaddr);
412 readl(phba->HCregaddr); /* flush */
413 /* Clear all pending interrupts */
414 writel(0xffffffff, phba->HAregaddr);
415 readl(phba->HAregaddr); /* flush */
416
2e0fef85 417 phba->link_state = LPFC_HBA_ERROR;
8aee918a
JS		 418 if (rc != MBX_BUSY)
419 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e
JB		 420 return -EIO;
421 }
422 /* MBOX buffer will be freed in mbox compl */
423
ce8b3ce5
JS		 424 return (0);
425}
426
dea3101e
JB		 427/************************************************************************/
428/* */
429/* lpfc_hba_down_prep */
430/* This routine will do LPFC uninitialization before the */
431/* HBA is reset when bringing down the SLI Layer. This will be */
432/* initialized as a SLI layer callback routine. */
433/* This routine returns 0 on success. Any other return value */
434/* indicates an error. */
435/* */
436/************************************************************************/
437int
2e0fef85 438lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 439{
549e55cd
JS		 440 struct lpfc_vport **vports;
441 int i;
2e0fef85 442
dea3101e
JB		 443 /* Disable interrupts */
444 writel(0, phba->HCregaddr);
445 readl(phba->HCregaddr); /* flush */
446
549e55cd
JS		 447 vports = lpfc_create_vport_work_array(phba);
448 if (vports != NULL)
449 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
450 lpfc_cleanup_discovery_resources(vports[i]);
451 lpfc_destroy_vport_work_array(vports);
2e0fef85 452 return 0;
dea3101e
JB		 453}
454
41415862
JW		 455/************************************************************************/
456/* */
457/* lpfc_hba_down_post */
458/* This routine will do uninitialization after the HBA is reset */
459/* when bringing down the SLI Layer. */
460/* This routine returns 0 on success. Any other return value */
461/* indicates an error. */
462/* */
463/************************************************************************/
464int
2e0fef85 465lpfc_hba_down_post(struct lpfc_hba *phba)
41415862
JW		 466{
467 struct lpfc_sli *psli = &phba->sli;
468 struct lpfc_sli_ring *pring;
469 struct lpfc_dmabuf *mp, *next_mp;
470 int i;
471
92d7f7b0
JS		 472 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
473 lpfc_sli_hbqbuf_free_all(phba);
474 else {
475 /* Cleanup preposted buffers on the ELS ring */
476 pring = &psli->ring[LPFC_ELS_RING];
477 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
478 list_del(&mp->list);
479 pring->postbufq_cnt--;
480 lpfc_mbuf_free(phba, mp->virt, mp->phys);
481 kfree(mp);
482 }
41415862
JW		 483 }
484
485 for (i = 0; i < psli->num_rings; i++) {
486 pring = &psli->ring[i];
487 lpfc_sli_abort_iocb_ring(phba, pring);
488 }
489
490 return 0;
491}
492
858c9f6c
JS		 493/* HBA heart beat timeout handler */
494void
495lpfc_hb_timeout(unsigned long ptr)
496{
497 struct lpfc_hba *phba;
498 unsigned long iflag;
499
500 phba = (struct lpfc_hba *)ptr;
501 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
502 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
503 phba->pport->work_port_events |= WORKER_HB_TMO;
504 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
505
506 if (phba->work_wait)
507 wake_up(phba->work_wait);
508 return;
509}
510
511static void
512lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
513{
514 unsigned long drvr_flag;
515
516 spin_lock_irqsave(&phba->hbalock, drvr_flag);
517 phba->hb_outstanding = 0;
518 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
519
520 mempool_free(pmboxq, phba->mbox_mem_pool);
521 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
522 !(phba->link_state == LPFC_HBA_ERROR) &&
523 !(phba->pport->fc_flag & FC_UNLOADING))
524 mod_timer(&phba->hb_tmofunc,
525 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
526 return;
527}
528
529void
530lpfc_hb_timeout_handler(struct lpfc_hba *phba)
531{
532 LPFC_MBOXQ_t *pmboxq;
533 int retval;
534 struct lpfc_sli *psli = &phba->sli;
535
536 if ((phba->link_state == LPFC_HBA_ERROR) ||
537 (phba->pport->fc_flag & FC_UNLOADING) ||
538 (phba->pport->fc_flag & FC_OFFLINE_MODE))
539 return;
540
541 spin_lock_irq(&phba->pport->work_port_lock);
542 /* If the timer is already canceled do nothing */
543 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
544 spin_unlock_irq(&phba->pport->work_port_lock);
545 return;
546 }
547
548 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
549 jiffies)) {
550 spin_unlock_irq(&phba->pport->work_port_lock);
551 if (!phba->hb_outstanding)
552 mod_timer(&phba->hb_tmofunc,
553 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
554 else
555 mod_timer(&phba->hb_tmofunc,
556 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
557 return;
558 }
559 spin_unlock_irq(&phba->pport->work_port_lock);
560
561 /* If there is no heart beat outstanding, issue a heartbeat command */
562 if (!phba->hb_outstanding) {
563 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
564 if (!pmboxq) {
565 mod_timer(&phba->hb_tmofunc,
566 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
567 return;
568 }
569
570 lpfc_heart_beat(phba, pmboxq);
571 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
572 pmboxq->vport = phba->pport;
573 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
574
575 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
576 mempool_free(pmboxq, phba->mbox_mem_pool);
577 mod_timer(&phba->hb_tmofunc,
578 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
579 return;
580 }
581 mod_timer(&phba->hb_tmofunc,
582 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
583 phba->hb_outstanding = 1;
584 return;
585 } else {
586 /*
587 * If heart beat timeout called with hb_outstanding set we
588 * need to take the HBA offline.
589 */
590 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
591 "%d:0459 Adapter heartbeat failure, taking "
592 "this port offline.\n", phba->brd_no);
593
594 spin_lock_irq(&phba->hbalock);
595 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
596 spin_unlock_irq(&phba->hbalock);
597
598 lpfc_offline_prep(phba);
599 lpfc_offline(phba);
600 lpfc_unblock_mgmt_io(phba);
601 phba->link_state = LPFC_HBA_ERROR;
602 lpfc_hba_down_post(phba);
603 }
604}
605
dea3101e
JB		 606/************************************************************************/
607/* */
608/* lpfc_handle_eratt */
609/* This routine will handle processing a Host Attention */
610/* Error Status event. This will be initialized */
611/* as a SLI layer callback routine. */
612/* */
613/************************************************************************/
614void
2e0fef85 615lpfc_handle_eratt(struct lpfc_hba *phba)
dea3101e 616{
2e0fef85 617 struct lpfc_vport *vport = phba->pport;
2e0fef85 618 struct lpfc_sli *psli = &phba->sli;
dea3101e 619 struct lpfc_sli_ring *pring;
549e55cd 620 struct lpfc_vport **vports;
d2873e4c 621 uint32_t event_data;
92d7f7b0 622 struct Scsi_Host *shost;
549e55cd 623 int i;
2e0fef85 624
8d63f375
LV		 625 /* If the pci channel is offline, ignore possible errors,
626 * since we cannot communicate with the pci card anyway. */
627 if (pci_channel_offline(phba->pcidev))
628 return;
dea3101e 629
f5603511
JS		 630 if (phba->work_hs & HS_FFER6 ||
631 phba->work_hs & HS_FFER5) {
dea3101e
JB		 632 /* Re-establishing Link */
633 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
634 "%d:1301 Re-establishing Link "
635 "Data: x%x x%x x%x\n",
636 phba->brd_no, phba->work_hs,
637 phba->work_status[0], phba->work_status[1]);
549e55cd
JS		 638 vports = lpfc_create_vport_work_array(phba);
639 if (vports != NULL)
640 for(i = 0;
641 i < LPFC_MAX_VPORTS && vports[i] != NULL;
642 i++){
643 shost = lpfc_shost_from_vport(vports[i]);
644 spin_lock_irq(shost->host_lock);
645 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
646 spin_unlock_irq(shost->host_lock);
647 }
648 lpfc_destroy_vport_work_array(vports);
92d7f7b0 649 spin_lock_irq(&phba->hbalock);
9290831f 650 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 651 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 652
653 /*
654 * Firmware stops when it triggled erratt with HS_FFER6.
655 * That could cause the I/Os dropped by the firmware.
656 * Error iocb (I/O) on txcmplq and let the SCSI layer
657 * retry it after re-establishing link.
658 */
659 pring = &psli->ring[psli->fcp_ring];
660 lpfc_sli_abort_iocb_ring(phba, pring);
661
662
663 /*
664 * There was a firmware error. Take the hba offline and then
665 * attempt to restart it.
666 */
46fa311e 667 lpfc_offline_prep(phba);
dea3101e 668 lpfc_offline(phba);
41415862 669 lpfc_sli_brdrestart(phba);
dea3101e
JB		 670 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
671 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
46fa311e 672 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 673 return;
674 }
46fa311e 675 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 676 } else {
677 /* The if clause above forces this code path when the status
678 * failure is a value other than FFER6. Do not call the offline
679 * twice. This is the adapter hardware error path.
680 */
681 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
682 "%d:0457 Adapter Hardware Error "
683 "Data: x%x x%x x%x\n",
684 phba->brd_no, phba->work_hs,
685 phba->work_status[0], phba->work_status[1]);
686
d2873e4c 687 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 688 shost = lpfc_shost_from_vport(vport);
2e0fef85 689 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 690 sizeof(event_data), (char *) &event_data,
691 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
692
92d7f7b0 693 spin_lock_irq(&phba->hbalock);
9290831f 694 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 695 spin_unlock_irq(&phba->hbalock);
46fa311e 696 lpfc_offline_prep(phba);
dea3101e 697 lpfc_offline(phba);
46fa311e 698 lpfc_unblock_mgmt_io(phba);
2e0fef85 699 phba->link_state = LPFC_HBA_ERROR;
41415862 700 lpfc_hba_down_post(phba);
dea3101e
JB		 701 }
702}
703
704/************************************************************************/
705/* */
706/* lpfc_handle_latt */
707/* This routine will handle processing a Host Attention */
708/* Link Status event. This will be initialized */
709/* as a SLI layer callback routine. */
710/* */
711/************************************************************************/
712void
2e0fef85 713lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 714{
2e0fef85
JS		 715 struct lpfc_vport *vport = phba->pport;
716 struct lpfc_sli *psli = &phba->sli;
dea3101e
JB		 717 LPFC_MBOXQ_t *pmb;
718 volatile uint32_t control;
719 struct lpfc_dmabuf *mp;
720 int rc = -ENOMEM;
721
722 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
723 if (!pmb)
724 goto lpfc_handle_latt_err_exit;
725
726 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
727 if (!mp)
728 goto lpfc_handle_latt_free_pmb;
729
730 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
731 if (!mp->virt)
732 goto lpfc_handle_latt_free_mp;
733
734 rc = -EIO;
735
6281bfe0 736 /* Cleanup any outstanding ELS commands */
549e55cd 737 lpfc_els_flush_all_cmd(phba);
dea3101e
JB		 738
739 psli->slistat.link_event++;
740 lpfc_read_la(phba, pmb, mp);
741 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
2e0fef85 742 pmb->vport = vport;
dea3101e
JB		 743 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
744 if (rc == MBX_NOT_FINISHED)
14691150 745 goto lpfc_handle_latt_free_mbuf;
dea3101e
JB		 746
747 /* Clear Link Attention in HA REG */
2e0fef85 748 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 749 writel(HA_LATT, phba->HAregaddr);
750 readl(phba->HAregaddr); /* flush */
2e0fef85 751 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 752
753 return;
754
14691150
JS		 755lpfc_handle_latt_free_mbuf:
756 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e
JB		 757lpfc_handle_latt_free_mp:
758 kfree(mp);
759lpfc_handle_latt_free_pmb:
1dcb58e5 760 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e
JB		 761lpfc_handle_latt_err_exit:
762 /* Enable Link attention interrupts */
2e0fef85 763 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 764 psli->sli_flag |= LPFC_PROCESS_LA;
765 control = readl(phba->HCregaddr);
766 control |= HC_LAINT_ENA;
767 writel(control, phba->HCregaddr);
768 readl(phba->HCregaddr); /* flush */
769
770 /* Clear Link Attention in HA REG */
771 writel(HA_LATT, phba->HAregaddr);
772 readl(phba->HAregaddr); /* flush */
2e0fef85 773 spin_unlock_irq(&phba->hbalock);
dea3101e 774 lpfc_linkdown(phba);
2e0fef85 775 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 776
777 /* The other case is an error from issue_mbox */
778 if (rc == -ENOMEM)
ed957684 779 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
dea3101e
JB		 780 "%d:0300 READ_LA: no buffers\n",
781 phba->brd_no);
782
783 return;
784}
785
786/************************************************************************/
787/* */
788/* lpfc_parse_vpd */
789/* This routine will parse the VPD data */
790/* */
791/************************************************************************/
792static int
2e0fef85 793lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e
JB		 794{
795 uint8_t lenlo, lenhi;
07da60c1 796 int Length;
dea3101e
JB		 797 int i, j;
798 int finished = 0;
799 int index = 0;
800
801 if (!vpd)
802 return 0;
803
804 /* Vital Product */
ed957684 805 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
dea3101e
JB		 806 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
807 phba->brd_no,
808 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
809 (uint32_t) vpd[3]);
74b72a59 810 while (!finished && (index < (len - 4))) {
dea3101e
JB		 811 switch (vpd[index]) {
812 case 0x82:
74b72a59 813 case 0x91:
dea3101e
JB		 814 index += 1;
815 lenlo = vpd[index];
816 index += 1;
817 lenhi = vpd[index];
818 index += 1;
819 i = ((((unsigned short)lenhi) << 8) + lenlo);
820 index += i;
821 break;
822 case 0x90:
823 index += 1;
824 lenlo = vpd[index];
825 index += 1;
826 lenhi = vpd[index];
827 index += 1;
828 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 829 if (Length > len - index)
830 Length = len - index;
dea3101e
JB		 831 while (Length > 0) {
832 /* Look for Serial Number */
833 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
834 index += 2;
835 i = vpd[index];
836 index += 1;
837 j = 0;
838 Length -= (3+i);
839 while(i--) {
840 phba->SerialNumber[j++] = vpd[index++];
841 if (j == 31)
842 break;
843 }
844 phba->SerialNumber[j] = 0;
845 continue;
846 }
847 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
848 phba->vpd_flag |= VPD_MODEL_DESC;
849 index += 2;
850 i = vpd[index];
851 index += 1;
852 j = 0;
853 Length -= (3+i);
854 while(i--) {
855 phba->ModelDesc[j++] = vpd[index++];
856 if (j == 255)
857 break;
858 }
859 phba->ModelDesc[j] = 0;
860 continue;
861 }
862 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
863 phba->vpd_flag |= VPD_MODEL_NAME;
864 index += 2;
865 i = vpd[index];
866 index += 1;
867 j = 0;
868 Length -= (3+i);
869 while(i--) {
870 phba->ModelName[j++] = vpd[index++];
871 if (j == 79)
872 break;
873 }
874 phba->ModelName[j] = 0;
875 continue;
876 }
877 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
878 phba->vpd_flag |= VPD_PROGRAM_TYPE;
879 index += 2;
880 i = vpd[index];
881 index += 1;
882 j = 0;
883 Length -= (3+i);
884 while(i--) {
885 phba->ProgramType[j++] = vpd[index++];
886 if (j == 255)
887 break;
888 }
889 phba->ProgramType[j] = 0;
890 continue;
891 }
892 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
893 phba->vpd_flag |= VPD_PORT;
894 index += 2;
895 i = vpd[index];
896 index += 1;
897 j = 0;
898 Length -= (3+i);
899 while(i--) {
900 phba->Port[j++] = vpd[index++];
901 if (j == 19)
902 break;
903 }
904 phba->Port[j] = 0;
905 continue;
906 }
907 else {
908 index += 2;
909 i = vpd[index];
910 index += 1;
911 index += i;
912 Length -= (3 + i);
913 }
914 }
915 finished = 0;
916 break;
917 case 0x78:
918 finished = 1;
919 break;
920 default:
921 index ++;
922 break;
923 }
74b72a59 924 }
dea3101e
JB		 925
926 return(1);
927}
928
929static void
2e0fef85 930lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e
JB		 931{
932 lpfc_vpd_t *vp;
fefcb2b6 933 uint16_t dev_id = phba->pcidev->device;
74b72a59 934 int max_speed;
74b72a59
JW		 935 struct {
936 char * name;
937 int max_speed;
74b72a59 938 char * bus;
18a3b596 939 } m = {"<Unknown>", 0, ""};
74b72a59
JW		 940
941 if (mdp && mdp[0] != '\0'
942 && descp && descp[0] != '\0')
943 return;
944
945 if (phba->lmt & LMT_10Gb)
946 max_speed = 10;
947 else if (phba->lmt & LMT_8Gb)
948 max_speed = 8;
949 else if (phba->lmt & LMT_4Gb)
950 max_speed = 4;
951 else if (phba->lmt & LMT_2Gb)
952 max_speed = 2;
953 else
954 max_speed = 1;
dea3101e
JB		 955
956 vp = &phba->vpd;
dea3101e 957
e4adb204 958 switch (dev_id) {
06325e74 959 case PCI_DEVICE_ID_FIREFLY:
18a3b596 960 m = (typeof(m)){"LP6000", max_speed, "PCI"};
06325e74 961 break;
dea3101e
JB		 962 case PCI_DEVICE_ID_SUPERFLY:
963 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
18a3b596 964 m = (typeof(m)){"LP7000", max_speed, "PCI"};
dea3101e 965 else
18a3b596 966 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
dea3101e
JB		 967 break;
968 case PCI_DEVICE_ID_DRAGONFLY:
18a3b596 969 m = (typeof(m)){"LP8000", max_speed, "PCI"};
dea3101e
JB		 970 break;
971 case PCI_DEVICE_ID_CENTAUR:
972 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
18a3b596 973 m = (typeof(m)){"LP9002", max_speed, "PCI"};
dea3101e 974 else
18a3b596 975 m = (typeof(m)){"LP9000", max_speed, "PCI"};
dea3101e
JB		 976 break;
977 case PCI_DEVICE_ID_RFLY:
18a3b596 978 m = (typeof(m)){"LP952", max_speed, "PCI"};
dea3101e
JB		 979 break;
980 case PCI_DEVICE_ID_PEGASUS:
18a3b596 981 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
dea3101e
JB		 982 break;
983 case PCI_DEVICE_ID_THOR:
18a3b596 984 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
dea3101e
JB		 985 break;
986 case PCI_DEVICE_ID_VIPER:
18a3b596 987 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
dea3101e
JB		 988 break;
989 case PCI_DEVICE_ID_PFLY:
18a3b596 990 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
dea3101e
JB		 991 break;
992 case PCI_DEVICE_ID_TFLY:
18a3b596 993 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
dea3101e
JB		 994 break;
995 case PCI_DEVICE_ID_HELIOS:
18a3b596 996 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
dea3101e 997 break;
e4adb204 998 case PCI_DEVICE_ID_HELIOS_SCSP:
18a3b596 999 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1000 break;
1001 case PCI_DEVICE_ID_HELIOS_DCSP:
18a3b596 1002 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1003 break;
1004 case PCI_DEVICE_ID_NEPTUNE:
18a3b596 1005 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
e4adb204
JSEC		 1006 break;
1007 case PCI_DEVICE_ID_NEPTUNE_SCSP:
18a3b596 1008 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
e4adb204
JSEC		 1009 break;
1010 case PCI_DEVICE_ID_NEPTUNE_DCSP:
18a3b596 1011 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
e4adb204 1012 break;
dea3101e 1013 case PCI_DEVICE_ID_BMID:
18a3b596 1014 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
dea3101e
JB		 1015 break;
1016 case PCI_DEVICE_ID_BSMB:
18a3b596 1017 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
dea3101e
JB		 1018 break;
1019 case PCI_DEVICE_ID_ZEPHYR:
18a3b596 1020 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
dea3101e 1021 break;
e4adb204 1022 case PCI_DEVICE_ID_ZEPHYR_SCSP:
18a3b596 1023 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
e4adb204
JSEC		 1024 break;
1025 case PCI_DEVICE_ID_ZEPHYR_DCSP:
18a3b596 1026 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
e4adb204 1027 break;
dea3101e 1028 case PCI_DEVICE_ID_ZMID:
18a3b596 1029 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
dea3101e
JB		 1030 break;
1031 case PCI_DEVICE_ID_ZSMB:
18a3b596 1032 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
dea3101e
JB		 1033 break;
1034 case PCI_DEVICE_ID_LP101:
18a3b596 1035 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
dea3101e
JB		 1036 break;
1037 case PCI_DEVICE_ID_LP10000S:
18a3b596 1038 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
06325e74 1039 break;
e4adb204 1040 case PCI_DEVICE_ID_LP11000S:
18a3b596
JS		 1041 m = (typeof(m)){"LP11000-S", max_speed,
1042 "PCI-X2"};
1043 break;
e4adb204 1044 case PCI_DEVICE_ID_LPE11000S:
18a3b596
JS		 1045 m = (typeof(m)){"LPe11000-S", max_speed,
1046 "PCIe"};
5cc36b3c 1047 break;
b87eab38
JS		 1048 case PCI_DEVICE_ID_SAT:
1049 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1050 break;
1051 case PCI_DEVICE_ID_SAT_MID:
1052 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1053 break;
1054 case PCI_DEVICE_ID_SAT_SMB:
1055 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1056 break;
1057 case PCI_DEVICE_ID_SAT_DCSP:
1058 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1059 break;
1060 case PCI_DEVICE_ID_SAT_SCSP:
1061 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1062 break;
1063 case PCI_DEVICE_ID_SAT_S:
1064 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1065 break;
5cc36b3c 1066 default:
041976fb 1067 m = (typeof(m)){ NULL };
e4adb204 1068 break;
dea3101e 1069 }
74b72a59
JW		 1070
1071 if (mdp && mdp[0] == '\0')
1072 snprintf(mdp, 79,"%s", m.name);
1073 if (descp && descp[0] == '\0')
1074 snprintf(descp, 255,
18a3b596
JS		 1075 "Emulex %s %dGb %s Fibre Channel Adapter",
1076 m.name, m.max_speed, m.bus);
dea3101e
JB		 1077}
1078
1079/**************************************************/
1080/* lpfc_post_buffer */
1081/* */
1082/* This routine will post count buffers to the */
1083/* ring with the QUE_RING_BUF_CN command. This */
1084/* allows 3 buffers / command to be posted. */
1085/* Returns the number of buffers NOT posted. */
1086/**************************************************/
1087int
2e0fef85 1088lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
dea3101e
JB		 1089 int type)
1090{
1091 IOCB_t *icmd;
0bd4ca25 1092 struct lpfc_iocbq *iocb;
dea3101e
JB		 1093 struct lpfc_dmabuf *mp1, *mp2;
1094
1095 cnt += pring->missbufcnt;
1096
1097 /* While there are buffers to post */
1098 while (cnt > 0) {
1099 /* Allocate buffer for command iocb */
0bd4ca25 1100 iocb = lpfc_sli_get_iocbq(phba);
dea3101e
JB		 1101 if (iocb == NULL) {
1102 pring->missbufcnt = cnt;
1103 return cnt;
1104 }
dea3101e
JB		 1105 icmd = &iocb->iocb;
1106
1107 /* 2 buffers can be posted per command */
1108 /* Allocate buffer to post */
1109 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1110 if (mp1)
1111 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1112 &mp1->phys);
1113 if (mp1 == 0 || mp1->virt == 0) {
c9475cb0 1114 kfree(mp1);
604a3e30 1115 lpfc_sli_release_iocbq(phba, iocb);
dea3101e
JB		 1116 pring->missbufcnt = cnt;
1117 return cnt;
1118 }
1119
1120 INIT_LIST_HEAD(&mp1->list);
1121 /* Allocate buffer to post */
1122 if (cnt > 1) {
1123 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1124 if (mp2)
1125 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1126 &mp2->phys);
1127 if (mp2 == 0 || mp2->virt == 0) {
c9475cb0 1128 kfree(mp2);
dea3101e
JB		 1129 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1130 kfree(mp1);
604a3e30 1131 lpfc_sli_release_iocbq(phba, iocb);
dea3101e
JB		 1132 pring->missbufcnt = cnt;
1133 return cnt;
1134 }
1135
1136 INIT_LIST_HEAD(&mp2->list);
1137 } else {
1138 mp2 = NULL;
1139 }
1140
1141 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1142 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1143 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1144 icmd->ulpBdeCount = 1;
1145 cnt--;
1146 if (mp2) {
1147 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1148 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1149 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1150 cnt--;
1151 icmd->ulpBdeCount = 2;
1152 }
1153
1154 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1155 icmd->ulpLe = 1;
1156
dea3101e
JB		 1157 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1158 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1159 kfree(mp1);
1160 cnt++;
1161 if (mp2) {
1162 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1163 kfree(mp2);
1164 cnt++;
1165 }
604a3e30 1166 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1167 pring->missbufcnt = cnt;
dea3101e
JB		 1168 return cnt;
1169 }
dea3101e 1170 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 1171 if (mp2)
dea3101e 1172 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e
JB		 1173 }
1174 pring->missbufcnt = 0;
1175 return 0;
1176}
1177
1178/************************************************************************/
1179/* */
1180/* lpfc_post_rcv_buf */
1181/* This routine post initial rcv buffers to the configured rings */
1182/* */
1183/************************************************************************/
1184static int
2e0fef85 1185lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e
JB		 1186{
1187 struct lpfc_sli *psli = &phba->sli;
1188
1189 /* Ring 0, ELS / CT buffers */
1190 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1191 /* Ring 2 - FCP no buffers needed */
1192
1193 return 0;
1194}
1195
1196#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1197
1198/************************************************************************/
1199/* */
1200/* lpfc_sha_init */
1201/* */
1202/************************************************************************/
1203static void
1204lpfc_sha_init(uint32_t * HashResultPointer)
1205{
1206 HashResultPointer[0] = 0x67452301;
1207 HashResultPointer[1] = 0xEFCDAB89;
1208 HashResultPointer[2] = 0x98BADCFE;
1209 HashResultPointer[3] = 0x10325476;
1210 HashResultPointer[4] = 0xC3D2E1F0;
1211}
1212
1213/************************************************************************/
1214/* */
1215/* lpfc_sha_iterate */
1216/* */
1217/************************************************************************/
1218static void
1219lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1220{
1221 int t;
1222 uint32_t TEMP;
1223 uint32_t A, B, C, D, E;
1224 t = 16;
1225 do {
1226 HashWorkingPointer[t] =
1227 S(1,
1228 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1229 8] ^
1230 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1231 } while (++t <= 79);
1232 t = 0;
1233 A = HashResultPointer[0];
1234 B = HashResultPointer[1];
1235 C = HashResultPointer[2];
1236 D = HashResultPointer[3];
1237 E = HashResultPointer[4];
1238
1239 do {
1240 if (t < 20) {
1241 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1242 } else if (t < 40) {
1243 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1244 } else if (t < 60) {
1245 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1246 } else {
1247 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1248 }
1249 TEMP += S(5, A) + E + HashWorkingPointer[t];
1250 E = D;
1251 D = C;
1252 C = S(30, B);
1253 B = A;
1254 A = TEMP;
1255 } while (++t <= 79);
1256
1257 HashResultPointer[0] += A;
1258 HashResultPointer[1] += B;
1259 HashResultPointer[2] += C;
1260 HashResultPointer[3] += D;
1261 HashResultPointer[4] += E;
1262
1263}
1264
1265/************************************************************************/
1266/* */
1267/* lpfc_challenge_key */
1268/* */
1269/************************************************************************/
1270static void
1271lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1272{
1273 *HashWorking = (*RandomChallenge ^ *HashWorking);
1274}
1275
1276/************************************************************************/
1277/* */
1278/* lpfc_hba_init */
1279/* */
1280/************************************************************************/
1281void
1282lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1283{
1284 int t;
1285 uint32_t *HashWorking;
2e0fef85 1286 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e
JB		 1287
1288 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1289 if (!HashWorking)
1290 return;
1291
1292 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1293 HashWorking[0] = HashWorking[78] = *pwwnn++;
1294 HashWorking[1] = HashWorking[79] = *pwwnn;
1295
1296 for (t = 0; t < 7; t++)
1297 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1298
1299 lpfc_sha_init(hbainit);
1300 lpfc_sha_iterate(hbainit, HashWorking);
1301 kfree(HashWorking);
1302}
1303
1304static void
2e0fef85 1305lpfc_cleanup(struct lpfc_vport *vport)
dea3101e
JB		 1306{
1307 struct lpfc_nodelist *ndlp, *next_ndlp;
1308
1309 /* clean up phba - lpfc specific */
2e0fef85
JS		 1310 lpfc_can_disctmo(vport);
1311 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
329f9bc7 1312 lpfc_nlp_put(ndlp);
dea3101e
JB		 1313 return;
1314}
1315
1316static void
1317lpfc_establish_link_tmo(unsigned long ptr)
1318{
92d7f7b0 1319 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
549e55cd 1320 struct lpfc_vport **vports;
dea3101e 1321 unsigned long iflag;
549e55cd 1322 int i;
dea3101e 1323
dea3101e
JB		 1324 /* Re-establishing Link, timer expired */
1325 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1326 "%d:1300 Re-establishing Link, timer expired "
1327 "Data: x%x x%x\n",
549e55cd
JS		 1328 phba->brd_no, phba->pport->fc_flag,
1329 phba->pport->port_state);
1330 vports = lpfc_create_vport_work_array(phba);
1331 if (vports != NULL)
1332 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1333 struct Scsi_Host *shost;
1334 shost = lpfc_shost_from_vport(vports[i]);
1335 spin_lock_irqsave(shost->host_lock, iflag);
1336 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1337 spin_unlock_irqrestore(shost->host_lock, iflag);
1338 }
1339 lpfc_destroy_vport_work_array(vports);
dea3101e
JB		 1340}
1341
92d7f7b0
JS		 1342void
1343lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 1344{
92d7f7b0
JS		 1345 del_timer_sync(&vport->els_tmofunc);
1346 del_timer_sync(&vport->fc_fdmitmo);
1347 lpfc_can_disctmo(vport);
1348 return;
dea3101e
JB		 1349}
1350
2e0fef85 1351static void
92d7f7b0 1352lpfc_stop_phba_timers(struct lpfc_hba *phba)
dea3101e 1353{
549e55cd
JS		 1354 struct lpfc_vport **vports;
1355 int i;
dea3101e 1356
875fbdfe 1357 del_timer_sync(&phba->fcp_poll_timer);
dea3101e 1358 del_timer_sync(&phba->fc_estabtmo);
549e55cd
JS		 1359 vports = lpfc_create_vport_work_array(phba);
1360 if (vports != NULL)
1361 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1362 lpfc_stop_vport_timers(vports[i]);
1363 lpfc_destroy_vport_work_array(vports);
2e0fef85 1364 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 1365 del_timer_sync(&phba->fabric_block_timer);
858c9f6c
JS		 1366 phba->hb_outstanding = 0;
1367 del_timer_sync(&phba->hb_tmofunc);
2e0fef85 1368 return;
dea3101e
JB		 1369}
1370
1371int
2e0fef85 1372lpfc_online(struct lpfc_hba *phba)
dea3101e 1373{
2e0fef85 1374 struct lpfc_vport *vport = phba->pport;
549e55cd
JS		 1375 struct lpfc_vport **vports;
1376 int i;
2e0fef85 1377
dea3101e
JB		 1378 if (!phba)
1379 return 0;
1380
2e0fef85 1381 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e
JB		 1382 return 0;
1383
ed957684 1384 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
dea3101e
JB		 1385 "%d:0458 Bring Adapter online\n",
1386 phba->brd_no);
1387
46fa311e
JS		 1388 lpfc_block_mgmt_io(phba);
1389
1390 if (!lpfc_sli_queue_setup(phba)) {
1391 lpfc_unblock_mgmt_io(phba);
dea3101e 1392 return 1;
46fa311e 1393 }
dea3101e 1394
46fa311e
JS		 1395 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1396 lpfc_unblock_mgmt_io(phba);
dea3101e 1397 return 1;
46fa311e 1398 }
dea3101e 1399
549e55cd
JS		 1400 vports = lpfc_create_vport_work_array(phba);
1401 if (vports != NULL)
1402 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1403 struct Scsi_Host *shost;
1404 shost = lpfc_shost_from_vport(vports[i]);
1405 spin_lock_irq(shost->host_lock);
1406 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1407 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1408 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1409 spin_unlock_irq(shost->host_lock);
1410 }
1411 lpfc_destroy_vport_work_array(vports);
dea3101e 1412
46fa311e 1413 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 1414 return 0;
1415}
1416
46fa311e
JS		 1417void
1418lpfc_block_mgmt_io(struct lpfc_hba * phba)
dea3101e 1419{
dea3101e 1420 unsigned long iflag;
dea3101e 1421
2e0fef85
JS		 1422 spin_lock_irqsave(&phba->hbalock, iflag);
1423 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1424 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1425}
1426
1427void
1428lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1429{
1430 unsigned long iflag;
1431
2e0fef85
JS		 1432 spin_lock_irqsave(&phba->hbalock, iflag);
1433 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1434 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1435}
1436
1437void
1438lpfc_offline_prep(struct lpfc_hba * phba)
1439{
2e0fef85 1440 struct lpfc_vport *vport = phba->pport;
46fa311e 1441 struct lpfc_nodelist *ndlp, *next_ndlp;
dea3101e 1442
2e0fef85 1443 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1444 return;
dea3101e 1445
46fa311e 1446 lpfc_block_mgmt_io(phba);
dea3101e
JB		 1447
1448 lpfc_linkdown(phba);
1449
46fa311e 1450 /* Issue an unreg_login to all nodes */
2e0fef85 1451 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
685f0bf7 1452 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
2e0fef85 1453 lpfc_unreg_rpi(vport, ndlp);
dea3101e 1454
46fa311e
JS		 1455 lpfc_sli_flush_mbox_queue(phba);
1456}
1457
1458void
2e0fef85 1459lpfc_offline(struct lpfc_hba *phba)
46fa311e 1460{
549e55cd
JS		 1461 struct Scsi_Host *shost;
1462 struct lpfc_vport **vports;
1463 int i;
46fa311e 1464
549e55cd 1465 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1466 return;
688a8863 1467
dea3101e 1468 /* stop all timers associated with this hba */
92d7f7b0 1469 lpfc_stop_phba_timers(phba);
92d7f7b0 1470 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
dea3101e
JB		 1471 "%d:0460 Bring Adapter offline\n",
1472 phba->brd_no);
dea3101e
JB		 1473 /* Bring down the SLI Layer and cleanup. The HBA is offline
1474 now. */
1475 lpfc_sli_hba_down(phba);
92d7f7b0 1476 spin_lock_irq(&phba->hbalock);
7054a606 1477 phba->work_ha = 0;
92d7f7b0 1478 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 1479 vports = lpfc_create_vport_work_array(phba);
1480 if (vports != NULL)
1481 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1482 shost = lpfc_shost_from_vport(vports[i]);
1483 lpfc_cleanup(vports[i]);
1484 spin_lock_irq(shost->host_lock);
1485 vports[i]->work_port_events = 0;
1486 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1487 spin_unlock_irq(shost->host_lock);
1488 }
1489 lpfc_destroy_vport_work_array(vports);
dea3101e
JB		 1490}
1491
1492/******************************************************************************
1493* Function name: lpfc_scsi_free
1494*
1495* Description: Called from lpfc_pci_remove_one free internal driver resources
1496*
1497******************************************************************************/
1498static int
2e0fef85 1499lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e
JB		 1500{
1501 struct lpfc_scsi_buf *sb, *sb_next;
1502 struct lpfc_iocbq *io, *io_next;
1503
2e0fef85 1504 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 1505 /* Release all the lpfc_scsi_bufs maintained by this host. */
1506 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1507 list_del(&sb->list);
1508 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 1509 sb->dma_handle);
dea3101e
JB		 1510 kfree(sb);
1511 phba->total_scsi_bufs--;
1512 }
1513
1514 /* Release all the lpfc_iocbq entries maintained by this host. */
1515 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1516 list_del(&io->list);
1517 kfree(io);
1518 phba->total_iocbq_bufs--;
1519 }
1520
2e0fef85 1521 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 1522
1523 return 0;
1524}
1525
2e0fef85 1526struct lpfc_vport *
3de2a653 1527lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 1528{
2e0fef85
JS		 1529 struct lpfc_vport *vport;
1530 struct Scsi_Host *shost;
1531 int error = 0;
47a8617c 1532
3de2a653
JS		 1533 if (dev != &phba->pcidev->dev)
1534 shost = scsi_host_alloc(&lpfc_vport_template,
1535 sizeof(struct lpfc_vport));
1536 else
1537 shost = scsi_host_alloc(&lpfc_template,
1538 sizeof(struct lpfc_vport));
2e0fef85
JS		 1539 if (!shost)
1540 goto out;
47a8617c 1541
2e0fef85
JS		 1542 vport = (struct lpfc_vport *) shost->hostdata;
1543 vport->phba = phba;
47a8617c 1544
2e0fef85 1545 vport->load_flag |= FC_LOADING;
92d7f7b0 1546 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
47a8617c 1547
3de2a653 1548 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 1549 shost->unique_id = instance;
1550 shost->max_id = LPFC_MAX_TARGET;
3de2a653 1551 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 1552 shost->this_id = -1;
1553 shost->max_cmd_len = 16;
47a8617c 1554 /*
2e0fef85
JS		 1555 * Set initial can_queue value since 0 is no longer supported and
1556 * scsi_add_host will fail. This will be adjusted later based on the
1557 * max xri value determined in hba setup.
47a8617c 1558 */
2e0fef85 1559 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 1560 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 1561 shost->transportt = lpfc_vport_transport_template;
1562 vport->port_type = LPFC_NPIV_PORT;
1563 } else {
1564 shost->transportt = lpfc_transport_template;
1565 vport->port_type = LPFC_PHYSICAL_PORT;
1566 }
47a8617c 1567
2e0fef85
JS		 1568 /* Initialize all internally managed lists. */
1569 INIT_LIST_HEAD(&vport->fc_nodes);
1570 spin_lock_init(&vport->work_port_lock);
47a8617c 1571
2e0fef85
JS		 1572 init_timer(&vport->fc_disctmo);
1573 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 1574 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 1575
2e0fef85
JS		 1576 init_timer(&vport->fc_fdmitmo);
1577 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 1578 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 1579
2e0fef85
JS		 1580 init_timer(&vport->els_tmofunc);
1581 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 1582 vport->els_tmofunc.data = (unsigned long)vport;
47a8617c 1583
3de2a653 1584 error = scsi_add_host(shost, dev);
2e0fef85
JS		 1585 if (error)
1586 goto out_put_shost;
47a8617c 1587
549e55cd 1588 spin_lock_irq(&phba->hbalock);
2e0fef85 1589 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 1590 spin_unlock_irq(&phba->hbalock);
2e0fef85 1591 return vport;
47a8617c 1592
2e0fef85
JS		 1593out_put_shost:
1594 scsi_host_put(shost);
1595out:
1596 return NULL;
47a8617c
JS		 1597}
1598
2e0fef85
JS		 1599void
1600destroy_port(struct lpfc_vport *vport)
47a8617c 1601{
92d7f7b0
JS		 1602 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1603 struct lpfc_hba *phba = vport->phba;
47a8617c 1604
92d7f7b0 1605 kfree(vport->vname);
47a8617c 1606
858c9f6c 1607 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 1608 fc_remove_host(shost);
1609 scsi_remove_host(shost);
47a8617c 1610
92d7f7b0
JS		 1611 spin_lock_irq(&phba->hbalock);
1612 list_del_init(&vport->listentry);
1613 spin_unlock_irq(&phba->hbalock);
47a8617c 1614
92d7f7b0 1615 lpfc_cleanup(vport);
47a8617c 1616 return;
47a8617c
JS		 1617}
1618
92d7f7b0
JS		 1619int
1620lpfc_get_instance(void)
1621{
1622 int instance = 0;
47a8617c 1623
92d7f7b0
JS		 1624 /* Assign an unused number */
1625 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1626 return -1;
1627 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1628 return -1;
1629 return instance;
47a8617c
JS		 1630}
1631
858c9f6c
JS		 1632/*
1633 * Note: there is no scan_start function as adapter initialization
1634 * will have asynchronously kicked off the link initialization.
1635 */
47a8617c
JS		 1636
1637int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1638{
2e0fef85
JS		 1639 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1640 struct lpfc_hba *phba = vport->phba;
858c9f6c 1641 int stat = 0;
47a8617c 1642
858c9f6c
JS		 1643 spin_lock_irq(shost->host_lock);
1644
1645 if (vport->fc_flag & FC_UNLOADING) {
1646 stat = 1;
1647 goto finished;
1648 }
2e0fef85
JS		 1649 if (time >= 30 * HZ) {
1650 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1651 "%d:0461 Scanning longer than 30 "
1652 "seconds. Continuing initialization\n",
1653 phba->brd_no);
858c9f6c 1654 stat = 1;
47a8617c 1655 goto finished;
2e0fef85
JS		 1656 }
1657 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1658 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1659 "%d:0465 Link down longer than 15 "
1660 "seconds. Continuing initialization\n",
1661 phba->brd_no);
858c9f6c 1662 stat = 1;
47a8617c 1663 goto finished;
2e0fef85 1664 }
47a8617c 1665
2e0fef85 1666 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 1667 goto finished;
2e0fef85 1668 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 1669 goto finished;
2e0fef85 1670 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 1671 goto finished;
2e0fef85 1672 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 1673 goto finished;
1674
1675 stat = 1;
47a8617c
JS		 1676
1677finished:
858c9f6c
JS		 1678 spin_unlock_irq(shost->host_lock);
1679 return stat;
92d7f7b0 1680}
47a8617c 1681
92d7f7b0
JS		 1682void lpfc_host_attrib_init(struct Scsi_Host *shost)
1683{
1684 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1685 struct lpfc_hba *phba = vport->phba;
47a8617c 1686 /*
2e0fef85 1687 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 1688 */
1689
2e0fef85
JS		 1690 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1691 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 1692 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1693
1694 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 1695 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 1696 fc_host_supported_fc4s(shost)[2] = 1;
1697 fc_host_supported_fc4s(shost)[7] = 1;
1698
92d7f7b0
JS		 1699 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1700 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 1701
1702 fc_host_supported_speeds(shost) = 0;
1703 if (phba->lmt & LMT_10Gb)
1704 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1705 if (phba->lmt & LMT_4Gb)
1706 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1707 if (phba->lmt & LMT_2Gb)
1708 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1709 if (phba->lmt & LMT_1Gb)
1710 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1711
1712 fc_host_maxframe_size(shost) =
2e0fef85
JS		 1713 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1714 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c
JS		 1715
1716 /* This value is also unchanging */
1717 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 1718 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 1719 fc_host_active_fc4s(shost)[2] = 1;
1720 fc_host_active_fc4s(shost)[7] = 1;
1721
92d7f7b0 1722 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 1723 spin_lock_irq(shost->host_lock);
2e0fef85 1724 vport->fc_flag &= ~FC_LOADING;
47a8617c 1725 spin_unlock_irq(shost->host_lock);
47a8617c 1726}
dea3101e
JB		 1727
1728static int __devinit
1729lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1730{
2e0fef85
JS		 1731 struct lpfc_vport *vport = NULL;
1732 struct lpfc_hba *phba;
1733 struct lpfc_sli *psli;
dea3101e 1734 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
2e0fef85 1735 struct Scsi_Host *shost = NULL;
dea3101e 1736 unsigned long bar0map_len, bar2map_len;
a5785037 1737 int error = -ENODEV;
dea3101e 1738 int i;
604a3e30 1739 uint16_t iotag;
dea3101e
JB		 1740
1741 if (pci_enable_device(pdev))
1742 goto out;
1743 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1744 goto out_disable_device;
1745
2e0fef85
JS		 1746 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1747 if (!phba)
dea3101e
JB		 1748 goto out_release_regions;
1749
2e0fef85 1750 spin_lock_init(&phba->hbalock);
dea3101e 1751
dea3101e
JB		 1752 phba->pcidev = pdev;
1753
1754 /* Assign an unused board number */
92d7f7b0 1755 if ((phba->brd_no = lpfc_get_instance()) < 0)
2e0fef85 1756 goto out_free_phba;
dea3101e 1757
2e0fef85 1758 INIT_LIST_HEAD(&phba->port_list);
92d7f7b0 1759 INIT_LIST_HEAD(&phba->hbq_buffer_list);
2e0fef85
JS		 1760 /*
1761 * Get all the module params for configuring this host and then
1762 * establish the host.
1763 */
1764 lpfc_get_cfgparam(phba);
92d7f7b0 1765 phba->max_vpi = LPFC_MAX_VPI;
dea3101e
JB		 1766
1767 /* Initialize timers used by driver */
1768 init_timer(&phba->fc_estabtmo);
1769 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1770 phba->fc_estabtmo.data = (unsigned long)phba;
858c9f6c
JS		 1771
1772 init_timer(&phba->hb_tmofunc);
1773 phba->hb_tmofunc.function = lpfc_hb_timeout;
1774 phba->hb_tmofunc.data = (unsigned long)phba;
1775
dea3101e
JB		 1776 psli = &phba->sli;
1777 init_timer(&psli->mbox_tmo);
1778 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 1779 psli->mbox_tmo.data = (unsigned long) phba;
875fbdfe
JSEC		 1780 init_timer(&phba->fcp_poll_timer);
1781 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 1782 phba->fcp_poll_timer.data = (unsigned long) phba;
92d7f7b0
JS		 1783 init_timer(&phba->fabric_block_timer);
1784 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1785 phba->fabric_block_timer.data = (unsigned long) phba;
dea3101e 1786
dea3101e 1787 pci_set_master(pdev);
694625c0 1788 pci_try_set_mwi(pdev);
dea3101e
JB		 1789
1790 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1791 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1792 goto out_idr_remove;
1793
1794 /*
1795 * Get the bus address of Bar0 and Bar2 and the number of bytes
1796 * required by each mapping.
1797 */
1798 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1799 bar0map_len = pci_resource_len(phba->pcidev, 0);
1800
1801 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1802 bar2map_len = pci_resource_len(phba->pcidev, 2);
1803
901a920f 1804 /* Map HBA SLIM to a kernel virtual address. */
dea3101e 1805 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
901a920f
JW		 1806 if (!phba->slim_memmap_p) {
1807 error = -ENODEV;
1808 dev_printk(KERN_ERR, &pdev->dev,
1809 "ioremap failed for SLIM memory.\n");
1810 goto out_idr_remove;
1811 }
1812
1813 /* Map HBA Control Registers to a kernel virtual address. */
dea3101e 1814 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
901a920f
JW		 1815 if (!phba->ctrl_regs_memmap_p) {
1816 error = -ENODEV;
1817 dev_printk(KERN_ERR, &pdev->dev,
1818 "ioremap failed for HBA control registers.\n");
1819 goto out_iounmap_slim;
1820 }
dea3101e
JB		 1821
1822 /* Allocate memory for SLI-2 structures */
1823 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1824 &phba->slim2p_mapping, GFP_KERNEL);
1825 if (!phba->slim2p)
1826 goto out_iounmap;
1827
f91b392c 1828 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
dea3101e 1829
ed957684
JS		 1830 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1831 lpfc_sli_hbq_size(),
1832 &phba->hbqslimp.phys,
1833 GFP_KERNEL);
1834 if (!phba->hbqslimp.virt)
1835 goto out_free_slim;
1836
1837 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1838
dea3101e
JB		 1839 /* Initialize the SLI Layer to run with lpfc HBAs. */
1840 lpfc_sli_setup(phba);
1841 lpfc_sli_queue_setup(phba);
1842
1843 error = lpfc_mem_alloc(phba);
1844 if (error)
ed957684 1845 goto out_free_hbqslimp;
dea3101e
JB		 1846
1847 /* Initialize and populate the iocb list per host. */
1848 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1849 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
dd00cc48 1850 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e
JB		 1851 if (iocbq_entry == NULL) {
1852 printk(KERN_ERR "%s: only allocated %d iocbs of "
1853 "expected %d count. Unloading driver.\n",
1854 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1855 error = -ENOMEM;
1856 goto out_free_iocbq;
1857 }
1858
604a3e30
JB		 1859 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1860 if (iotag == 0) {
1861 kfree (iocbq_entry);
1862 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1863 "Unloading driver.\n",
1864 __FUNCTION__);
1865 error = -ENOMEM;
1866 goto out_free_iocbq;
1867 }
2e0fef85
JS		 1868
1869 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 1870 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1871 phba->total_iocbq_bufs++;
2e0fef85 1872 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 1873 }
1874
1875 /* Initialize HBA structure */
1876 phba->fc_edtov = FF_DEF_EDTOV;
1877 phba->fc_ratov = FF_DEF_RATOV;
1878 phba->fc_altov = FF_DEF_ALTOV;
1879 phba->fc_arbtov = FF_DEF_ARBTOV;
1880
1881 INIT_LIST_HEAD(&phba->work_list);
1882 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1883 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1884
1885 /* Startup the kernel thread for this host adapter. */
1886 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1887 "lpfc_worker_%d", phba->brd_no);
1888 if (IS_ERR(phba->worker_thread)) {
1889 error = PTR_ERR(phba->worker_thread);
1890 goto out_free_iocbq;
1891 }
1892
dea3101e 1893 /* Initialize the list of scsi buffers used by driver for scsi IO. */
875fbdfe 1894 spin_lock_init(&phba->scsi_buf_list_lock);
dea3101e
JB		 1895 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1896
92d7f7b0
JS		 1897 /* Initialize list of fabric iocbs */
1898 INIT_LIST_HEAD(&phba->fabric_iocb_list);
1899
3de2a653 1900 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2e0fef85
JS		 1901 if (!vport)
1902 goto out_kthread_stop;
1903
1904 shost = lpfc_shost_from_vport(vport);
2e0fef85 1905 phba->pport = vport;
858c9f6c 1906 lpfc_debugfs_initialize(vport);
2e0fef85 1907
92d7f7b0 1908 pci_set_drvdata(pdev, shost);
dea3101e 1909
4ff43246
JS		 1910 if (phba->cfg_use_msi) {
1911 error = pci_enable_msi(phba->pcidev);
1912 if (error)
1913 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1914 "Enable MSI failed, continuing with "
1915 "IRQ\n", phba->brd_no);
1916 }
1917
1d6f359a 1918 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2e0fef85 1919 LPFC_DRIVER_NAME, phba);
dea3101e
JB		 1920 if (error) {
1921 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1922 "%d:0451 Enable interrupt handler failed\n",
1923 phba->brd_no);
92d7f7b0 1924 goto out_disable_msi;
dea3101e 1925 }
dea3101e 1926
2e0fef85
JS		 1927 phba->MBslimaddr = phba->slim_memmap_p;
1928 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1929 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1930 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1931 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1932
92d7f7b0 1933 if (lpfc_alloc_sysfs_attr(vport))
dea3101e 1934 goto out_free_irq;
875fbdfe 1935
858c9f6c
JS		 1936 if (lpfc_sli_hba_setup(phba))
1937 goto out_remove_device;
1938
1939 /*
1940 * hba setup may have changed the hba_queue_depth so we need to adjust
1941 * the value of can_queue.
1942 */
1943 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1944
1945 lpfc_host_attrib_init(shost);
1946
2e0fef85
JS		 1947 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1948 spin_lock_irq(shost->host_lock);
1949 lpfc_poll_start_timer(phba);
1950 spin_unlock_irq(shost->host_lock);
1951 }
dea3101e 1952
858c9f6c 1953 scsi_scan_host(shost);
dea3101e 1954
dea3101e
JB		 1955 return 0;
1956
858c9f6c
JS		 1957out_remove_device:
1958 lpfc_free_sysfs_attr(vport);
1959 spin_lock_irq(shost->host_lock);
1960 vport->fc_flag |= FC_UNLOADING;
1961 spin_unlock_irq(shost->host_lock);
dea3101e 1962out_free_irq:
92d7f7b0 1963 lpfc_stop_phba_timers(phba);
2e0fef85 1964 phba->pport->work_port_events = 0;
dea3101e 1965 free_irq(phba->pcidev->irq, phba);
92d7f7b0 1966out_disable_msi:
4ff43246 1967 pci_disable_msi(phba->pcidev);
2e0fef85 1968 destroy_port(vport);
dea3101e
JB		 1969out_kthread_stop:
1970 kthread_stop(phba->worker_thread);
1971out_free_iocbq:
1972 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1973 &phba->lpfc_iocb_list, list) {
dea3101e
JB		 1974 kfree(iocbq_entry);
1975 phba->total_iocbq_bufs--;
dea3101e
JB		 1976 }
1977 lpfc_mem_free(phba);
ed957684
JS		 1978out_free_hbqslimp:
1979 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
1980 phba->hbqslimp.phys);
dea3101e
JB		 1981out_free_slim:
1982 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1983 phba->slim2p_mapping);
1984out_iounmap:
1985 iounmap(phba->ctrl_regs_memmap_p);
901a920f 1986out_iounmap_slim:
dea3101e
JB		 1987 iounmap(phba->slim_memmap_p);
1988out_idr_remove:
1989 idr_remove(&lpfc_hba_index, phba->brd_no);
2e0fef85
JS		 1990out_free_phba:
1991 kfree(phba);
dea3101e
JB		 1992out_release_regions:
1993 pci_release_regions(pdev);
1994out_disable_device:
1995 pci_disable_device(pdev);
1996out:
defbcf11 1997 pci_set_drvdata(pdev, NULL);
858c9f6c
JS		 1998 if (shost)
1999 scsi_host_put(shost);
dea3101e
JB		 2000 return error;
2001}
2002
2003static void __devexit
2004lpfc_pci_remove_one(struct pci_dev *pdev)
2005{
2e0fef85
JS		 2006 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2007 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2008 struct lpfc_hba *phba = vport->phba;
92d7f7b0 2009 struct lpfc_vport *port_iterator;
549e55cd 2010 spin_lock_irq(&phba->hbalock);
92d7f7b0
JS		 2011 list_for_each_entry(port_iterator, &phba->port_list, listentry)
2012 port_iterator->load_flag |= FC_UNLOADING;
549e55cd 2013 spin_unlock_irq(&phba->hbalock);
2e0fef85 2014
858c9f6c
JS		 2015 kfree(vport->vname);
2016 lpfc_free_sysfs_attr(vport);
2017
2018 fc_remove_host(shost);
2019 scsi_remove_host(shost);
2020
2e0fef85
JS		 2021 /*
2022 * Bring down the SLI Layer. This step disable all interrupts,
2023 * clears the rings, discards all mailbox commands, and resets
2024 * the HBA.
2025 */
2026 lpfc_sli_hba_down(phba);
2027 lpfc_sli_brdrestart(phba);
2028
92d7f7b0 2029 lpfc_stop_phba_timers(phba);
858c9f6c
JS		 2030 spin_lock_irq(&phba->hbalock);
2031 list_del_init(&vport->listentry);
2032 spin_unlock_irq(&phba->hbalock);
2033
858c9f6c
JS		 2034 lpfc_debugfs_terminate(vport);
2035 lpfc_cleanup(vport);
2e0fef85
JS		 2036
2037 kthread_stop(phba->worker_thread);
2038
2039 /* Release the irq reservation */
2040 free_irq(phba->pcidev->irq, phba);
2041 pci_disable_msi(phba->pcidev);
dea3101e
JB		 2042
2043 pci_set_drvdata(pdev, NULL);
858c9f6c 2044 scsi_host_put(shost);
2e0fef85
JS		 2045
2046 /*
2047 * Call scsi_free before mem_free since scsi bufs are released to their
2048 * corresponding pools here.
2049 */
2050 lpfc_scsi_free(phba);
2051 lpfc_mem_free(phba);
2052
ed957684
JS		 2053 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2054 phba->hbqslimp.phys);
2055
2e0fef85
JS		 2056 /* Free resources associated with SLI2 interface */
2057 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2058 phba->slim2p, phba->slim2p_mapping);
2059
2060 /* unmap adapter SLIM and Control Registers */
2061 iounmap(phba->ctrl_regs_memmap_p);
2062 iounmap(phba->slim_memmap_p);
2063
2064 idr_remove(&lpfc_hba_index, phba->brd_no);
2065
2066 kfree(phba);
2067
2068 pci_release_regions(pdev);
2069 pci_disable_device(pdev);
dea3101e
JB		 2070}
2071
8d63f375
LV		 2072/**
2073 * lpfc_io_error_detected - called when PCI error is detected
2074 * @pdev: Pointer to PCI device
2075 * @state: The current pci conneection state
2076 *
2077 * This function is called after a PCI bus error affecting
2078 * this device has been detected.
2079 */
2080static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2081 pci_channel_state_t state)
2082{
2083 struct Scsi_Host *host = pci_get_drvdata(pdev);
2084 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2085 struct lpfc_sli *psli = &phba->sli;
2086 struct lpfc_sli_ring *pring;
2087
5daa49ef 2088 if (state == pci_channel_io_perm_failure)
8d63f375 2089 return PCI_ERS_RESULT_DISCONNECT;
5daa49ef 2090
8d63f375
LV		 2091 pci_disable_device(pdev);
2092 /*
2093 * There may be I/Os dropped by the firmware.
2094 * Error iocb (I/O) on txcmplq and let the SCSI layer
2095 * retry it after re-establishing link.
2096 */
2097 pring = &psli->ring[psli->fcp_ring];
2098 lpfc_sli_abort_iocb_ring(phba, pring);
2099
2100 /* Request a slot reset. */
2101 return PCI_ERS_RESULT_NEED_RESET;
2102}
2103
2104/**
2105 * lpfc_io_slot_reset - called after the pci bus has been reset.
2106 * @pdev: Pointer to PCI device
2107 *
2108 * Restart the card from scratch, as if from a cold-boot.
2109 */
2110static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2111{
2112 struct Scsi_Host *host = pci_get_drvdata(pdev);
2113 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2114 struct lpfc_sli *psli = &phba->sli;
2115 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2116
2117 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2118 if (pci_enable_device_bars(pdev, bars)) {
2119 printk(KERN_ERR "lpfc: Cannot re-enable "
2120 "PCI device after reset.\n");
2121 return PCI_ERS_RESULT_DISCONNECT;
2122 }
2123
2124 pci_set_master(pdev);
2125
2126 /* Re-establishing Link */
2e0fef85 2127 spin_lock_irq(host->host_lock);
92d7f7b0 2128 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2e0fef85 2129 spin_unlock_irq(host->host_lock);
8d63f375 2130
92d7f7b0 2131 spin_lock_irq(&phba->hbalock);
8d63f375 2132 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 2133 spin_unlock_irq(&phba->hbalock);
8d63f375
LV		 2134
2135
2136 /* Take device offline; this will perform cleanup */
2137 lpfc_offline(phba);
2138 lpfc_sli_brdrestart(phba);
2139
2140 return PCI_ERS_RESULT_RECOVERED;
2141}
2142
2143/**
2144 * lpfc_io_resume - called when traffic can start flowing again.
2145 * @pdev: Pointer to PCI device
2146 *
2147 * This callback is called when the error recovery driver tells us that
2148 * its OK to resume normal operation.
2149 */
2150static void lpfc_io_resume(struct pci_dev *pdev)
2151{
2152 struct Scsi_Host *host = pci_get_drvdata(pdev);
2153 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2154
2155 if (lpfc_online(phba) == 0) {
2156 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2157 }
2158}
2159
dea3101e
JB		 2160static struct pci_device_id lpfc_id_table[] = {
2161 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2162 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 2163 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2164 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2165 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2166 PCI_ANY_ID, PCI_ANY_ID, },
2167 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2168 PCI_ANY_ID, PCI_ANY_ID, },
2169 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2170 PCI_ANY_ID, PCI_ANY_ID, },
2171 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2172 PCI_ANY_ID, PCI_ANY_ID, },
2173 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2174 PCI_ANY_ID, PCI_ANY_ID, },
2175 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2176 PCI_ANY_ID, PCI_ANY_ID, },
2177 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2178 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2179 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2180 PCI_ANY_ID, PCI_ANY_ID, },
2181 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2182 PCI_ANY_ID, PCI_ANY_ID, },
2183 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2184 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2185 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2186 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2187 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2188 PCI_ANY_ID, PCI_ANY_ID, },
2189 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2190 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2191 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2192 PCI_ANY_ID, PCI_ANY_ID, },
2193 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2194 PCI_ANY_ID, PCI_ANY_ID, },
2195 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2196 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2197 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2198 PCI_ANY_ID, PCI_ANY_ID, },
2199 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2200 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2201 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2202 PCI_ANY_ID, PCI_ANY_ID, },
2203 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2204 PCI_ANY_ID, PCI_ANY_ID, },
2205 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2206 PCI_ANY_ID, PCI_ANY_ID, },
2207 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2208 PCI_ANY_ID, PCI_ANY_ID, },
2209 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2210 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2211 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2212 PCI_ANY_ID, PCI_ANY_ID, },
2213 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2214 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 2215 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2216 PCI_ANY_ID, PCI_ANY_ID, },
2217 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2218 PCI_ANY_ID, PCI_ANY_ID, },
2219 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2220 PCI_ANY_ID, PCI_ANY_ID, },
2221 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2222 PCI_ANY_ID, PCI_ANY_ID, },
2223 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2224 PCI_ANY_ID, PCI_ANY_ID, },
2225 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2226 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2227 { 0 }
2228};
2229
2230MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2231
8d63f375
LV		 2232static struct pci_error_handlers lpfc_err_handler = {
2233 .error_detected = lpfc_io_error_detected,
2234 .slot_reset = lpfc_io_slot_reset,
2235 .resume = lpfc_io_resume,
2236};
2237
dea3101e
JB		 2238static struct pci_driver lpfc_driver = {
2239 .name = LPFC_DRIVER_NAME,
2240 .id_table = lpfc_id_table,
2241 .probe = lpfc_pci_probe_one,
2242 .remove = __devexit_p(lpfc_pci_remove_one),
2e0fef85 2243 .err_handler = &lpfc_err_handler,
dea3101e
JB		 2244};
2245
2246static int __init
2247lpfc_init(void)
2248{
2249 int error = 0;
2250
2251 printk(LPFC_MODULE_DESC "\n");
c44ce173 2252 printk(LPFC_COPYRIGHT "\n");
dea3101e
JB		 2253
2254 lpfc_transport_template =
2255 fc_attach_transport(&lpfc_transport_functions);
92d7f7b0
JS		 2256 lpfc_vport_transport_template =
2257 fc_attach_transport(&lpfc_vport_transport_functions);
2258 if (!lpfc_transport_template || !lpfc_vport_transport_template)
dea3101e
JB		 2259 return -ENOMEM;
2260 error = pci_register_driver(&lpfc_driver);
92d7f7b0 2261 if (error) {
dea3101e 2262 fc_release_transport(lpfc_transport_template);
92d7f7b0
JS		 2263 fc_release_transport(lpfc_vport_transport_template);
2264 }
dea3101e
JB		 2265
2266 return error;
2267}
2268
2269static void __exit
2270lpfc_exit(void)
2271{
2272 pci_unregister_driver(&lpfc_driver);
2273 fc_release_transport(lpfc_transport_template);
92d7f7b0 2274 fc_release_transport(lpfc_vport_transport_template);
dea3101e
JB		 2275}
2276
2277module_init(lpfc_init);
2278module_exit(lpfc_exit);
2279MODULE_LICENSE("GPL");
2280MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2281MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2282MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
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