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[SCSI] mpt fusion: Change company name from LSI Logic to LSI
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e 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 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"
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"
46
74b72a59 47static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
dea3101e 48static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
49static int lpfc_post_rcv_buf(struct lpfc_hba *);
50
51static struct scsi_transport_template *lpfc_transport_template = NULL;
92d7f7b0 52static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
dea3101e 53static DEFINE_IDR(lpfc_hba_index);
54
55/************************************************************************/
56/* */
57/* lpfc_config_port_prep */
58/* This routine will do LPFC initialization prior to the */
59/* CONFIG_PORT mailbox command. This will be initialized */
60/* as a SLI layer callback routine. */
61/* This routine returns 0 on success or -ERESTART if it wants */
62/* the SLI layer to reset the HBA and try again. Any */
63/* other return value indicates an error. */
64/* */
65/************************************************************************/
66int
2e0fef85 67lpfc_config_port_prep(struct lpfc_hba *phba)
dea3101e 68{
69 lpfc_vpd_t *vp = &phba->vpd;
70 int i = 0, rc;
71 LPFC_MBOXQ_t *pmb;
72 MAILBOX_t *mb;
73 char *lpfc_vpd_data = NULL;
74 uint16_t offset = 0;
75 static char licensed[56] =
76 "key unlock for use with gnu public licensed code only\0";
65a29c16 77 static int init_key = 1;
dea3101e 78
79 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
80 if (!pmb) {
2e0fef85 81 phba->link_state = LPFC_HBA_ERROR;
dea3101e 82 return -ENOMEM;
83 }
84
85 mb = &pmb->mb;
2e0fef85 86 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e 87
88 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
65a29c16
JS		 89 if (init_key) {
90 uint32_t *ptext = (uint32_t *) licensed;
dea3101e 91
65a29c16
JS		 92 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
93 *ptext = cpu_to_be32(*ptext);
94 init_key = 0;
95 }
dea3101e 96
97 lpfc_read_nv(phba, pmb);
98 memset((char*)mb->un.varRDnvp.rsvd3, 0,
99 sizeof (mb->un.varRDnvp.rsvd3));
100 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
101 sizeof (licensed));
102
103 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
104
105 if (rc != MBX_SUCCESS) {
ed957684 106 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
e8b62011 107 "0324 Config Port initialization "
dea3101e 108 "error, mbxCmd x%x READ_NVPARM, "
109 "mbxStatus x%x\n",
dea3101e 110 mb->mbxCommand, mb->mbxStatus);
111 mempool_free(pmb, phba->mbox_mem_pool);
112 return -ERESTART;
113 }
114 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
2e0fef85
JS		 115 sizeof(phba->wwnn));
116 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
117 sizeof(phba->wwpn));
dea3101e 118 }
119
92d7f7b0
JS		 120 phba->sli3_options = 0x0;
121
dea3101e 122 /* Setup and issue mailbox READ REV command */
123 lpfc_read_rev(phba, pmb);
124 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
125 if (rc != MBX_SUCCESS) {
ed957684 126 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 127 "0439 Adapter failed to init, mbxCmd x%x "
dea3101e 128 "READ_REV, mbxStatus x%x\n",
dea3101e 129 mb->mbxCommand, mb->mbxStatus);
130 mempool_free( pmb, phba->mbox_mem_pool);
131 return -ERESTART;
132 }
133
92d7f7b0 134
1de933f3
JSEC		 135 /*
136 * The value of rr must be 1 since the driver set the cv field to 1.
137 * This setting requires the FW to set all revision fields.
dea3101e 138 */
1de933f3 139 if (mb->un.varRdRev.rr == 0) {
dea3101e 140 vp->rev.rBit = 0;
1de933f3 141 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 142 "0440 Adapter failed to init, READ_REV has "
143 "missing revision information.\n");
dea3101e 144 mempool_free(pmb, phba->mbox_mem_pool);
145 return -ERESTART;
dea3101e 146 }
147
ed957684
JS		 148 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
149 return -EINVAL;
150
dea3101e 151 /* Save information as VPD data */
1de933f3 152 vp->rev.rBit = 1;
92d7f7b0 153 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
1de933f3
JSEC		 154 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
155 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
156 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
157 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
dea3101e 158 vp->rev.biuRev = mb->un.varRdRev.biuRev;
159 vp->rev.smRev = mb->un.varRdRev.smRev;
160 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
161 vp->rev.endecRev = mb->un.varRdRev.endecRev;
162 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
163 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
164 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
165 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
166 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
167 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
168
92d7f7b0
JS		 169 /* If the sli feature level is less then 9, we must
170 * tear down all RPIs and VPIs on link down if NPIV
171 * is enabled.
172 */
173 if (vp->rev.feaLevelHigh < 9)
174 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
175
dea3101e 176 if (lpfc_is_LC_HBA(phba->pcidev->device))
177 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
178 sizeof (phba->RandomData));
179
dea3101e 180 /* Get adapter VPD information */
181 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
182 if (!pmb->context2)
183 goto out_free_mbox;
184 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
185 if (!lpfc_vpd_data)
186 goto out_free_context2;
187
188 do {
189 lpfc_dump_mem(phba, pmb, offset);
190 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
191
192 if (rc != MBX_SUCCESS) {
193 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 194 "0441 VPD not present on adapter, "
dea3101e 195 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
dea3101e 196 mb->mbxCommand, mb->mbxStatus);
74b72a59 197 mb->un.varDmp.word_cnt = 0;
dea3101e 198 }
74b72a59
JW		 199 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
200 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
dea3101e 201 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
92d7f7b0 202 mb->un.varDmp.word_cnt);
dea3101e 203 offset += mb->un.varDmp.word_cnt;
74b72a59
JW		 204 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
205 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
dea3101e 206
207 kfree(lpfc_vpd_data);
208out_free_context2:
209 kfree(pmb->context2);
210out_free_mbox:
211 mempool_free(pmb, phba->mbox_mem_pool);
212 return 0;
213}
214
215/************************************************************************/
216/* */
217/* lpfc_config_port_post */
218/* This routine will do LPFC initialization after the */
219/* CONFIG_PORT mailbox command. This will be initialized */
220/* as a SLI layer callback routine. */
221/* This routine returns 0 on success. Any other return value */
222/* indicates an error. */
223/* */
224/************************************************************************/
225int
2e0fef85 226lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 227{
2e0fef85 228 struct lpfc_vport *vport = phba->pport;
dea3101e 229 LPFC_MBOXQ_t *pmb;
230 MAILBOX_t *mb;
231 struct lpfc_dmabuf *mp;
232 struct lpfc_sli *psli = &phba->sli;
233 uint32_t status, timeout;
2e0fef85
JS		 234 int i, j;
235 int rc;
dea3101e 236
237 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
238 if (!pmb) {
2e0fef85 239 phba->link_state = LPFC_HBA_ERROR;
dea3101e 240 return -ENOMEM;
241 }
242 mb = &pmb->mb;
243
dea3101e 244 /* Get login parameters for NID. */
92d7f7b0 245 lpfc_read_sparam(phba, pmb, 0);
ed957684 246 pmb->vport = vport;
dea3101e 247 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 248 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 249 "0448 Adapter failed init, mbxCmd x%x "
dea3101e 250 "READ_SPARM mbxStatus x%x\n",
dea3101e 251 mb->mbxCommand, mb->mbxStatus);
2e0fef85 252 phba->link_state = LPFC_HBA_ERROR;
dea3101e 253 mp = (struct lpfc_dmabuf *) pmb->context1;
254 mempool_free( pmb, phba->mbox_mem_pool);
255 lpfc_mbuf_free(phba, mp->virt, mp->phys);
256 kfree(mp);
257 return -EIO;
258 }
259
260 mp = (struct lpfc_dmabuf *) pmb->context1;
261
2e0fef85 262 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e 263 lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 kfree(mp);
265 pmb->context1 = NULL;
266
a12e07bc 267 if (phba->cfg_soft_wwnn)
2e0fef85
JS		 268 u64_to_wwn(phba->cfg_soft_wwnn,
269 vport->fc_sparam.nodeName.u.wwn);
c3f28afa 270 if (phba->cfg_soft_wwpn)
2e0fef85
JS		 271 u64_to_wwn(phba->cfg_soft_wwpn,
272 vport->fc_sparam.portName.u.wwn);
273 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
dea3101e 274 sizeof (struct lpfc_name));
2e0fef85 275 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
dea3101e 276 sizeof (struct lpfc_name));
277 /* If no serial number in VPD data, use low 6 bytes of WWNN */
278 /* This should be consolidated into parse_vpd ? - mr */
279 if (phba->SerialNumber[0] == 0) {
280 uint8_t *outptr;
281
2e0fef85 282 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e 283 for (i = 0; i < 12; i++) {
284 status = *outptr++;
285 j = ((status & 0xf0) >> 4);
286 if (j <= 9)
287 phba->SerialNumber[i] =
288 (char)((uint8_t) 0x30 + (uint8_t) j);
289 else
290 phba->SerialNumber[i] =
291 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
292 i++;
293 j = (status & 0xf);
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 }
301 }
302
dea3101e 303 lpfc_read_config(phba, pmb);
ed957684 304 pmb->vport = vport;
dea3101e 305 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 306 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 307 "0453 Adapter failed to init, mbxCmd x%x "
dea3101e 308 "READ_CONFIG, mbxStatus x%x\n",
dea3101e 309 mb->mbxCommand, mb->mbxStatus);
2e0fef85 310 phba->link_state = LPFC_HBA_ERROR;
dea3101e 311 mempool_free( pmb, phba->mbox_mem_pool);
312 return -EIO;
313 }
314
315 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
316 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
317 phba->cfg_hba_queue_depth =
318 mb->un.varRdConfig.max_xri + 1;
319
320 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 321
322 /* Get the default values for Model Name and Description */
323 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
324
325 if ((phba->cfg_link_speed > LINK_SPEED_10G)
326 || ((phba->cfg_link_speed == LINK_SPEED_1G)
327 && !(phba->lmt & LMT_1Gb))
328 || ((phba->cfg_link_speed == LINK_SPEED_2G)
329 && !(phba->lmt & LMT_2Gb))
330 || ((phba->cfg_link_speed == LINK_SPEED_4G)
331 && !(phba->lmt & LMT_4Gb))
332 || ((phba->cfg_link_speed == LINK_SPEED_8G)
333 && !(phba->lmt & LMT_8Gb))
334 || ((phba->cfg_link_speed == LINK_SPEED_10G)
335 && !(phba->lmt & LMT_10Gb))) {
336 /* Reset link speed to auto */
ed957684 337 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
e8b62011 338 "1302 Invalid speed for this board: "
dea3101e 339 "Reset link speed to auto: x%x\n",
dea3101e 340 phba->cfg_link_speed);
341 phba->cfg_link_speed = LINK_SPEED_AUTO;
342 }
343
2e0fef85 344 phba->link_state = LPFC_LINK_DOWN;
dea3101e 345
346 /* Only process IOCBs on ring 0 till hba_state is READY */
a4bc3379
JS		 347 if (psli->ring[psli->extra_ring].cmdringaddr)
348 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
dea3101e 349 if (psli->ring[psli->fcp_ring].cmdringaddr)
350 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
351 if (psli->ring[psli->next_ring].cmdringaddr)
352 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
353
354 /* Post receive buffers for desired rings */
ed957684
JS		 355 if (phba->sli_rev != 3)
356 lpfc_post_rcv_buf(phba);
dea3101e 357
358 /* Enable appropriate host interrupts */
2e0fef85 359 spin_lock_irq(&phba->hbalock);
dea3101e 360 status = readl(phba->HCregaddr);
361 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
362 if (psli->num_rings > 0)
363 status |= HC_R0INT_ENA;
364 if (psli->num_rings > 1)
365 status |= HC_R1INT_ENA;
366 if (psli->num_rings > 2)
367 status |= HC_R2INT_ENA;
368 if (psli->num_rings > 3)
369 status |= HC_R3INT_ENA;
370
875fbdfe
JSEC		 371 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
372 (phba->cfg_poll & DISABLE_FCP_RING_INT))
373 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
374
dea3101e 375 writel(status, phba->HCregaddr);
376 readl(phba->HCregaddr); /* flush */
2e0fef85 377 spin_unlock_irq(&phba->hbalock);
dea3101e 378
379 /*
380 * Setup the ring 0 (els) timeout handler
381 */
382 timeout = phba->fc_ratov << 1;
2e0fef85 383 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
858c9f6c
JS		 384 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
385 phba->hb_outstanding = 0;
386 phba->last_completion_time = jiffies;
dea3101e 387
388 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
389 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 390 pmb->vport = vport;
8aee918a 391 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
5b8bd0c9 392 lpfc_set_loopback_flag(phba);
8aee918a 393 if (rc != MBX_SUCCESS) {
ed957684 394 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 395 "0454 Adapter failed to init, mbxCmd x%x "
dea3101e 396 "INIT_LINK, mbxStatus x%x\n",
dea3101e 397 mb->mbxCommand, mb->mbxStatus);
398
399 /* Clear all interrupt enable conditions */
400 writel(0, phba->HCregaddr);
401 readl(phba->HCregaddr); /* flush */
402 /* Clear all pending interrupts */
403 writel(0xffffffff, phba->HAregaddr);
404 readl(phba->HAregaddr); /* flush */
405
2e0fef85 406 phba->link_state = LPFC_HBA_ERROR;
8aee918a
JS		 407 if (rc != MBX_BUSY)
408 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 409 return -EIO;
410 }
411 /* MBOX buffer will be freed in mbox compl */
412
ce8b3ce5
JS		 413 return (0);
414}
415
dea3101e 416/************************************************************************/
417/* */
418/* lpfc_hba_down_prep */
419/* This routine will do LPFC uninitialization before the */
420/* HBA is reset when bringing down the SLI Layer. This will be */
421/* initialized as a SLI layer callback routine. */
422/* This routine returns 0 on success. Any other return value */
423/* indicates an error. */
424/* */
425/************************************************************************/
426int
2e0fef85 427lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 428{
429 /* Disable interrupts */
430 writel(0, phba->HCregaddr);
431 readl(phba->HCregaddr); /* flush */
432
51ef4c26 433 lpfc_cleanup_discovery_resources(phba->pport);
2e0fef85 434 return 0;
dea3101e 435}
436
41415862
JW		 437/************************************************************************/
438/* */
439/* lpfc_hba_down_post */
440/* This routine will do uninitialization after the HBA is reset */
441/* when bringing down the SLI Layer. */
442/* This routine returns 0 on success. Any other return value */
443/* indicates an error. */
444/* */
445/************************************************************************/
446int
2e0fef85 447lpfc_hba_down_post(struct lpfc_hba *phba)
41415862
JW		 448{
449 struct lpfc_sli *psli = &phba->sli;
450 struct lpfc_sli_ring *pring;
451 struct lpfc_dmabuf *mp, *next_mp;
452 int i;
453
92d7f7b0
JS		 454 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
455 lpfc_sli_hbqbuf_free_all(phba);
456 else {
457 /* Cleanup preposted buffers on the ELS ring */
458 pring = &psli->ring[LPFC_ELS_RING];
459 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
460 list_del(&mp->list);
461 pring->postbufq_cnt--;
462 lpfc_mbuf_free(phba, mp->virt, mp->phys);
463 kfree(mp);
464 }
41415862
JW		 465 }
466
467 for (i = 0; i < psli->num_rings; i++) {
468 pring = &psli->ring[i];
469 lpfc_sli_abort_iocb_ring(phba, pring);
470 }
471
472 return 0;
473}
474
858c9f6c
JS		 475/* HBA heart beat timeout handler */
476void
477lpfc_hb_timeout(unsigned long ptr)
478{
479 struct lpfc_hba *phba;
480 unsigned long iflag;
481
482 phba = (struct lpfc_hba *)ptr;
483 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
484 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
485 phba->pport->work_port_events |= WORKER_HB_TMO;
486 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
487
488 if (phba->work_wait)
489 wake_up(phba->work_wait);
490 return;
491}
492
493static void
494lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
495{
496 unsigned long drvr_flag;
497
498 spin_lock_irqsave(&phba->hbalock, drvr_flag);
499 phba->hb_outstanding = 0;
500 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
501
502 mempool_free(pmboxq, phba->mbox_mem_pool);
503 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
504 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 505 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c
JS		 506 mod_timer(&phba->hb_tmofunc,
507 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
508 return;
509}
510
511void
512lpfc_hb_timeout_handler(struct lpfc_hba *phba)
513{
514 LPFC_MBOXQ_t *pmboxq;
515 int retval;
516 struct lpfc_sli *psli = &phba->sli;
517
518 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 519 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 520 (phba->pport->fc_flag & FC_OFFLINE_MODE))
521 return;
522
523 spin_lock_irq(&phba->pport->work_port_lock);
524 /* If the timer is already canceled do nothing */
525 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
526 spin_unlock_irq(&phba->pport->work_port_lock);
527 return;
528 }
529
530 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
531 jiffies)) {
532 spin_unlock_irq(&phba->pport->work_port_lock);
533 if (!phba->hb_outstanding)
534 mod_timer(&phba->hb_tmofunc,
535 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
536 else
537 mod_timer(&phba->hb_tmofunc,
538 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
539 return;
540 }
541 spin_unlock_irq(&phba->pport->work_port_lock);
542
543 /* If there is no heart beat outstanding, issue a heartbeat command */
544 if (!phba->hb_outstanding) {
545 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
546 if (!pmboxq) {
547 mod_timer(&phba->hb_tmofunc,
548 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
549 return;
550 }
551
552 lpfc_heart_beat(phba, pmboxq);
553 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
554 pmboxq->vport = phba->pport;
555 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
556
557 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
558 mempool_free(pmboxq, phba->mbox_mem_pool);
559 mod_timer(&phba->hb_tmofunc,
560 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
561 return;
562 }
563 mod_timer(&phba->hb_tmofunc,
564 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
565 phba->hb_outstanding = 1;
566 return;
567 } else {
568 /*
569 * If heart beat timeout called with hb_outstanding set we
570 * need to take the HBA offline.
571 */
572 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 573 "0459 Adapter heartbeat failure, taking "
574 "this port offline.\n");
858c9f6c
JS		 575
576 spin_lock_irq(&phba->hbalock);
577 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
578 spin_unlock_irq(&phba->hbalock);
579
580 lpfc_offline_prep(phba);
581 lpfc_offline(phba);
582 lpfc_unblock_mgmt_io(phba);
583 phba->link_state = LPFC_HBA_ERROR;
584 lpfc_hba_down_post(phba);
585 }
586}
587
dea3101e 588/************************************************************************/
589/* */
590/* lpfc_handle_eratt */
591/* This routine will handle processing a Host Attention */
592/* Error Status event. This will be initialized */
593/* as a SLI layer callback routine. */
594/* */
595/************************************************************************/
596void
2e0fef85 597lpfc_handle_eratt(struct lpfc_hba *phba)
dea3101e 598{
2e0fef85 599 struct lpfc_vport *vport = phba->pport;
2e0fef85 600 struct lpfc_sli *psli = &phba->sli;
dea3101e 601 struct lpfc_sli_ring *pring;
549e55cd 602 struct lpfc_vport **vports;
d2873e4c 603 uint32_t event_data;
92d7f7b0 604 struct Scsi_Host *shost;
549e55cd 605 int i;
2e0fef85 606
8d63f375
LV		 607 /* If the pci channel is offline, ignore possible errors,
608 * since we cannot communicate with the pci card anyway. */
609 if (pci_channel_offline(phba->pcidev))
610 return;
dea3101e 611
f5603511
JS		 612 if (phba->work_hs & HS_FFER6 ||
613 phba->work_hs & HS_FFER5) {
dea3101e 614 /* Re-establishing Link */
615 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
e8b62011 616 "1301 Re-establishing Link "
dea3101e 617 "Data: x%x x%x x%x\n",
e8b62011 618 phba->work_hs,
dea3101e 619 phba->work_status[0], phba->work_status[1]);
549e55cd
JS		 620 vports = lpfc_create_vport_work_array(phba);
621 if (vports != NULL)
622 for(i = 0;
623 i < LPFC_MAX_VPORTS && vports[i] != NULL;
624 i++){
625 shost = lpfc_shost_from_vport(vports[i]);
626 spin_lock_irq(shost->host_lock);
627 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
628 spin_unlock_irq(shost->host_lock);
629 }
630 lpfc_destroy_vport_work_array(vports);
92d7f7b0 631 spin_lock_irq(&phba->hbalock);
9290831f 632 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 633 spin_unlock_irq(&phba->hbalock);
dea3101e 634
635 /*
636 * Firmware stops when it triggled erratt with HS_FFER6.
637 * That could cause the I/Os dropped by the firmware.
638 * Error iocb (I/O) on txcmplq and let the SCSI layer
639 * retry it after re-establishing link.
640 */
641 pring = &psli->ring[psli->fcp_ring];
642 lpfc_sli_abort_iocb_ring(phba, pring);
643
644
645 /*
646 * There was a firmware error. Take the hba offline and then
647 * attempt to restart it.
648 */
46fa311e 649 lpfc_offline_prep(phba);
dea3101e 650 lpfc_offline(phba);
41415862 651 lpfc_sli_brdrestart(phba);
dea3101e 652 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
653 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
46fa311e 654 lpfc_unblock_mgmt_io(phba);
dea3101e 655 return;
656 }
46fa311e 657 lpfc_unblock_mgmt_io(phba);
dea3101e 658 } else {
659 /* The if clause above forces this code path when the status
660 * failure is a value other than FFER6. Do not call the offline
661 * twice. This is the adapter hardware error path.
662 */
663 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 664 "0457 Adapter Hardware Error "
dea3101e 665 "Data: x%x x%x x%x\n",
e8b62011 666 phba->work_hs,
dea3101e 667 phba->work_status[0], phba->work_status[1]);
668
d2873e4c 669 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 670 shost = lpfc_shost_from_vport(vport);
2e0fef85 671 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 672 sizeof(event_data), (char *) &event_data,
673 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
674
92d7f7b0 675 spin_lock_irq(&phba->hbalock);
9290831f 676 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 677 spin_unlock_irq(&phba->hbalock);
46fa311e 678 lpfc_offline_prep(phba);
dea3101e 679 lpfc_offline(phba);
46fa311e 680 lpfc_unblock_mgmt_io(phba);
2e0fef85 681 phba->link_state = LPFC_HBA_ERROR;
41415862 682 lpfc_hba_down_post(phba);
dea3101e 683 }
684}
685
686/************************************************************************/
687/* */
688/* lpfc_handle_latt */
689/* This routine will handle processing a Host Attention */
690/* Link Status event. This will be initialized */
691/* as a SLI layer callback routine. */
692/* */
693/************************************************************************/
694void
2e0fef85 695lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 696{
2e0fef85
JS		 697 struct lpfc_vport *vport = phba->pport;
698 struct lpfc_sli *psli = &phba->sli;
dea3101e 699 LPFC_MBOXQ_t *pmb;
700 volatile uint32_t control;
701 struct lpfc_dmabuf *mp;
702 int rc = -ENOMEM;
703
704 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
705 if (!pmb)
706 goto lpfc_handle_latt_err_exit;
707
708 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
709 if (!mp)
710 goto lpfc_handle_latt_free_pmb;
711
712 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
713 if (!mp->virt)
714 goto lpfc_handle_latt_free_mp;
715
716 rc = -EIO;
717
6281bfe0 718 /* Cleanup any outstanding ELS commands */
549e55cd 719 lpfc_els_flush_all_cmd(phba);
dea3101e 720
721 psli->slistat.link_event++;
722 lpfc_read_la(phba, pmb, mp);
723 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
2e0fef85 724 pmb->vport = vport;
dea3101e 725 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
726 if (rc == MBX_NOT_FINISHED)
14691150 727 goto lpfc_handle_latt_free_mbuf;
dea3101e 728
729 /* Clear Link Attention in HA REG */
2e0fef85 730 spin_lock_irq(&phba->hbalock);
dea3101e 731 writel(HA_LATT, phba->HAregaddr);
732 readl(phba->HAregaddr); /* flush */
2e0fef85 733 spin_unlock_irq(&phba->hbalock);
dea3101e 734
735 return;
736
14691150
JS		 737lpfc_handle_latt_free_mbuf:
738 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 739lpfc_handle_latt_free_mp:
740 kfree(mp);
741lpfc_handle_latt_free_pmb:
1dcb58e5 742 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 743lpfc_handle_latt_err_exit:
744 /* Enable Link attention interrupts */
2e0fef85 745 spin_lock_irq(&phba->hbalock);
dea3101e 746 psli->sli_flag |= LPFC_PROCESS_LA;
747 control = readl(phba->HCregaddr);
748 control |= HC_LAINT_ENA;
749 writel(control, phba->HCregaddr);
750 readl(phba->HCregaddr); /* flush */
751
752 /* Clear Link Attention in HA REG */
753 writel(HA_LATT, phba->HAregaddr);
754 readl(phba->HAregaddr); /* flush */
2e0fef85 755 spin_unlock_irq(&phba->hbalock);
dea3101e 756 lpfc_linkdown(phba);
2e0fef85 757 phba->link_state = LPFC_HBA_ERROR;
dea3101e 758
759 /* The other case is an error from issue_mbox */
760 if (rc == -ENOMEM)
ed957684 761 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
e8b62011 762 "0300 READ_LA: no buffers\n");
dea3101e 763
764 return;
765}
766
767/************************************************************************/
768/* */
769/* lpfc_parse_vpd */
770/* This routine will parse the VPD data */
771/* */
772/************************************************************************/
773static int
2e0fef85 774lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 775{
776 uint8_t lenlo, lenhi;
07da60c1 777 int Length;
dea3101e 778 int i, j;
779 int finished = 0;
780 int index = 0;
781
782 if (!vpd)
783 return 0;
784
785 /* Vital Product */
ed957684 786 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 787 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 788 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
789 (uint32_t) vpd[3]);
74b72a59 790 while (!finished && (index < (len - 4))) {
dea3101e 791 switch (vpd[index]) {
792 case 0x82:
74b72a59 793 case 0x91:
dea3101e 794 index += 1;
795 lenlo = vpd[index];
796 index += 1;
797 lenhi = vpd[index];
798 index += 1;
799 i = ((((unsigned short)lenhi) << 8) + lenlo);
800 index += i;
801 break;
802 case 0x90:
803 index += 1;
804 lenlo = vpd[index];
805 index += 1;
806 lenhi = vpd[index];
807 index += 1;
808 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 809 if (Length > len - index)
810 Length = len - index;
dea3101e 811 while (Length > 0) {
812 /* Look for Serial Number */
813 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
814 index += 2;
815 i = vpd[index];
816 index += 1;
817 j = 0;
818 Length -= (3+i);
819 while(i--) {
820 phba->SerialNumber[j++] = vpd[index++];
821 if (j == 31)
822 break;
823 }
824 phba->SerialNumber[j] = 0;
825 continue;
826 }
827 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
828 phba->vpd_flag |= VPD_MODEL_DESC;
829 index += 2;
830 i = vpd[index];
831 index += 1;
832 j = 0;
833 Length -= (3+i);
834 while(i--) {
835 phba->ModelDesc[j++] = vpd[index++];
836 if (j == 255)
837 break;
838 }
839 phba->ModelDesc[j] = 0;
840 continue;
841 }
842 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
843 phba->vpd_flag |= VPD_MODEL_NAME;
844 index += 2;
845 i = vpd[index];
846 index += 1;
847 j = 0;
848 Length -= (3+i);
849 while(i--) {
850 phba->ModelName[j++] = vpd[index++];
851 if (j == 79)
852 break;
853 }
854 phba->ModelName[j] = 0;
855 continue;
856 }
857 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
858 phba->vpd_flag |= VPD_PROGRAM_TYPE;
859 index += 2;
860 i = vpd[index];
861 index += 1;
862 j = 0;
863 Length -= (3+i);
864 while(i--) {
865 phba->ProgramType[j++] = vpd[index++];
866 if (j == 255)
867 break;
868 }
869 phba->ProgramType[j] = 0;
870 continue;
871 }
872 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
873 phba->vpd_flag |= VPD_PORT;
874 index += 2;
875 i = vpd[index];
876 index += 1;
877 j = 0;
878 Length -= (3+i);
879 while(i--) {
880 phba->Port[j++] = vpd[index++];
881 if (j == 19)
882 break;
883 }
884 phba->Port[j] = 0;
885 continue;
886 }
887 else {
888 index += 2;
889 i = vpd[index];
890 index += 1;
891 index += i;
892 Length -= (3 + i);
893 }
894 }
895 finished = 0;
896 break;
897 case 0x78:
898 finished = 1;
899 break;
900 default:
901 index ++;
902 break;
903 }
74b72a59 904 }
dea3101e 905
906 return(1);
907}
908
909static void
2e0fef85 910lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 911{
912 lpfc_vpd_t *vp;
fefcb2b6 913 uint16_t dev_id = phba->pcidev->device;
74b72a59 914 int max_speed;
74b72a59
JW		 915 struct {
916 char * name;
917 int max_speed;
74b72a59 918 char * bus;
18a3b596 919 } m = {"<Unknown>", 0, ""};
74b72a59
JW		 920
921 if (mdp && mdp[0] != '\0'
922 && descp && descp[0] != '\0')
923 return;
924
925 if (phba->lmt & LMT_10Gb)
926 max_speed = 10;
927 else if (phba->lmt & LMT_8Gb)
928 max_speed = 8;
929 else if (phba->lmt & LMT_4Gb)
930 max_speed = 4;
931 else if (phba->lmt & LMT_2Gb)
932 max_speed = 2;
933 else
934 max_speed = 1;
dea3101e 935
936 vp = &phba->vpd;
dea3101e 937
e4adb204 938 switch (dev_id) {
06325e74 939 case PCI_DEVICE_ID_FIREFLY:
18a3b596 940 m = (typeof(m)){"LP6000", max_speed, "PCI"};
06325e74 941 break;
dea3101e 942 case PCI_DEVICE_ID_SUPERFLY:
943 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
18a3b596 944 m = (typeof(m)){"LP7000", max_speed, "PCI"};
dea3101e 945 else
18a3b596 946 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
dea3101e 947 break;
948 case PCI_DEVICE_ID_DRAGONFLY:
18a3b596 949 m = (typeof(m)){"LP8000", max_speed, "PCI"};
dea3101e 950 break;
951 case PCI_DEVICE_ID_CENTAUR:
952 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
18a3b596 953 m = (typeof(m)){"LP9002", max_speed, "PCI"};
dea3101e 954 else
18a3b596 955 m = (typeof(m)){"LP9000", max_speed, "PCI"};
dea3101e 956 break;
957 case PCI_DEVICE_ID_RFLY:
18a3b596 958 m = (typeof(m)){"LP952", max_speed, "PCI"};
dea3101e 959 break;
960 case PCI_DEVICE_ID_PEGASUS:
18a3b596 961 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
dea3101e 962 break;
963 case PCI_DEVICE_ID_THOR:
18a3b596 964 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
dea3101e 965 break;
966 case PCI_DEVICE_ID_VIPER:
18a3b596 967 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
dea3101e 968 break;
969 case PCI_DEVICE_ID_PFLY:
18a3b596 970 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
dea3101e 971 break;
972 case PCI_DEVICE_ID_TFLY:
18a3b596 973 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
dea3101e 974 break;
975 case PCI_DEVICE_ID_HELIOS:
18a3b596 976 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
dea3101e 977 break;
e4adb204 978 case PCI_DEVICE_ID_HELIOS_SCSP:
18a3b596 979 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 980 break;
981 case PCI_DEVICE_ID_HELIOS_DCSP:
18a3b596 982 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 983 break;
984 case PCI_DEVICE_ID_NEPTUNE:
18a3b596 985 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
e4adb204
JSEC		 986 break;
987 case PCI_DEVICE_ID_NEPTUNE_SCSP:
18a3b596 988 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
e4adb204
JSEC		 989 break;
990 case PCI_DEVICE_ID_NEPTUNE_DCSP:
18a3b596 991 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
e4adb204 992 break;
dea3101e 993 case PCI_DEVICE_ID_BMID:
18a3b596 994 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
dea3101e 995 break;
996 case PCI_DEVICE_ID_BSMB:
18a3b596 997 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
dea3101e 998 break;
999 case PCI_DEVICE_ID_ZEPHYR:
18a3b596 1000 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
dea3101e 1001 break;
e4adb204 1002 case PCI_DEVICE_ID_ZEPHYR_SCSP:
18a3b596 1003 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
e4adb204
JSEC		 1004 break;
1005 case PCI_DEVICE_ID_ZEPHYR_DCSP:
18a3b596 1006 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
e4adb204 1007 break;
dea3101e 1008 case PCI_DEVICE_ID_ZMID:
18a3b596 1009 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
dea3101e 1010 break;
1011 case PCI_DEVICE_ID_ZSMB:
18a3b596 1012 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
dea3101e 1013 break;
1014 case PCI_DEVICE_ID_LP101:
18a3b596 1015 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
dea3101e 1016 break;
1017 case PCI_DEVICE_ID_LP10000S:
18a3b596 1018 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
06325e74 1019 break;
e4adb204 1020 case PCI_DEVICE_ID_LP11000S:
18a3b596
JS		 1021 m = (typeof(m)){"LP11000-S", max_speed,
1022 "PCI-X2"};
1023 break;
e4adb204 1024 case PCI_DEVICE_ID_LPE11000S:
18a3b596
JS		 1025 m = (typeof(m)){"LPe11000-S", max_speed,
1026 "PCIe"};
5cc36b3c 1027 break;
b87eab38
JS		 1028 case PCI_DEVICE_ID_SAT:
1029 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1030 break;
1031 case PCI_DEVICE_ID_SAT_MID:
1032 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1033 break;
1034 case PCI_DEVICE_ID_SAT_SMB:
1035 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1036 break;
1037 case PCI_DEVICE_ID_SAT_DCSP:
1038 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1039 break;
1040 case PCI_DEVICE_ID_SAT_SCSP:
1041 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1042 break;
1043 case PCI_DEVICE_ID_SAT_S:
1044 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1045 break;
5cc36b3c 1046 default:
041976fb 1047 m = (typeof(m)){ NULL };
e4adb204 1048 break;
dea3101e 1049 }
74b72a59
JW		 1050
1051 if (mdp && mdp[0] == '\0')
1052 snprintf(mdp, 79,"%s", m.name);
1053 if (descp && descp[0] == '\0')
1054 snprintf(descp, 255,
18a3b596
JS		 1055 "Emulex %s %dGb %s Fibre Channel Adapter",
1056 m.name, m.max_speed, m.bus);
dea3101e 1057}
1058
1059/**************************************************/
1060/* lpfc_post_buffer */
1061/* */
1062/* This routine will post count buffers to the */
1063/* ring with the QUE_RING_BUF_CN command. This */
1064/* allows 3 buffers / command to be posted. */
1065/* Returns the number of buffers NOT posted. */
1066/**************************************************/
1067int
2e0fef85 1068lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
dea3101e 1069 int type)
1070{
1071 IOCB_t *icmd;
0bd4ca25 1072 struct lpfc_iocbq *iocb;
dea3101e 1073 struct lpfc_dmabuf *mp1, *mp2;
1074
1075 cnt += pring->missbufcnt;
1076
1077 /* While there are buffers to post */
1078 while (cnt > 0) {
1079 /* Allocate buffer for command iocb */
0bd4ca25 1080 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 1081 if (iocb == NULL) {
1082 pring->missbufcnt = cnt;
1083 return cnt;
1084 }
dea3101e 1085 icmd = &iocb->iocb;
1086
1087 /* 2 buffers can be posted per command */
1088 /* Allocate buffer to post */
1089 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1090 if (mp1)
1091 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1092 &mp1->phys);
1093 if (mp1 == 0 || mp1->virt == 0) {
c9475cb0 1094 kfree(mp1);
604a3e30 1095 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1096 pring->missbufcnt = cnt;
1097 return cnt;
1098 }
1099
1100 INIT_LIST_HEAD(&mp1->list);
1101 /* Allocate buffer to post */
1102 if (cnt > 1) {
1103 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1104 if (mp2)
1105 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1106 &mp2->phys);
1107 if (mp2 == 0 || mp2->virt == 0) {
c9475cb0 1108 kfree(mp2);
dea3101e 1109 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1110 kfree(mp1);
604a3e30 1111 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1112 pring->missbufcnt = cnt;
1113 return cnt;
1114 }
1115
1116 INIT_LIST_HEAD(&mp2->list);
1117 } else {
1118 mp2 = NULL;
1119 }
1120
1121 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1122 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1123 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1124 icmd->ulpBdeCount = 1;
1125 cnt--;
1126 if (mp2) {
1127 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1128 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1129 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1130 cnt--;
1131 icmd->ulpBdeCount = 2;
1132 }
1133
1134 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1135 icmd->ulpLe = 1;
1136
dea3101e 1137 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1138 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1139 kfree(mp1);
1140 cnt++;
1141 if (mp2) {
1142 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1143 kfree(mp2);
1144 cnt++;
1145 }
604a3e30 1146 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1147 pring->missbufcnt = cnt;
dea3101e 1148 return cnt;
1149 }
dea3101e 1150 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 1151 if (mp2)
dea3101e 1152 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 1153 }
1154 pring->missbufcnt = 0;
1155 return 0;
1156}
1157
1158/************************************************************************/
1159/* */
1160/* lpfc_post_rcv_buf */
1161/* This routine post initial rcv buffers to the configured rings */
1162/* */
1163/************************************************************************/
1164static int
2e0fef85 1165lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 1166{
1167 struct lpfc_sli *psli = &phba->sli;
1168
1169 /* Ring 0, ELS / CT buffers */
1170 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1171 /* Ring 2 - FCP no buffers needed */
1172
1173 return 0;
1174}
1175
1176#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1177
1178/************************************************************************/
1179/* */
1180/* lpfc_sha_init */
1181/* */
1182/************************************************************************/
1183static void
1184lpfc_sha_init(uint32_t * HashResultPointer)
1185{
1186 HashResultPointer[0] = 0x67452301;
1187 HashResultPointer[1] = 0xEFCDAB89;
1188 HashResultPointer[2] = 0x98BADCFE;
1189 HashResultPointer[3] = 0x10325476;
1190 HashResultPointer[4] = 0xC3D2E1F0;
1191}
1192
1193/************************************************************************/
1194/* */
1195/* lpfc_sha_iterate */
1196/* */
1197/************************************************************************/
1198static void
1199lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1200{
1201 int t;
1202 uint32_t TEMP;
1203 uint32_t A, B, C, D, E;
1204 t = 16;
1205 do {
1206 HashWorkingPointer[t] =
1207 S(1,
1208 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1209 8] ^
1210 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1211 } while (++t <= 79);
1212 t = 0;
1213 A = HashResultPointer[0];
1214 B = HashResultPointer[1];
1215 C = HashResultPointer[2];
1216 D = HashResultPointer[3];
1217 E = HashResultPointer[4];
1218
1219 do {
1220 if (t < 20) {
1221 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1222 } else if (t < 40) {
1223 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1224 } else if (t < 60) {
1225 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1226 } else {
1227 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1228 }
1229 TEMP += S(5, A) + E + HashWorkingPointer[t];
1230 E = D;
1231 D = C;
1232 C = S(30, B);
1233 B = A;
1234 A = TEMP;
1235 } while (++t <= 79);
1236
1237 HashResultPointer[0] += A;
1238 HashResultPointer[1] += B;
1239 HashResultPointer[2] += C;
1240 HashResultPointer[3] += D;
1241 HashResultPointer[4] += E;
1242
1243}
1244
1245/************************************************************************/
1246/* */
1247/* lpfc_challenge_key */
1248/* */
1249/************************************************************************/
1250static void
1251lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1252{
1253 *HashWorking = (*RandomChallenge ^ *HashWorking);
1254}
1255
1256/************************************************************************/
1257/* */
1258/* lpfc_hba_init */
1259/* */
1260/************************************************************************/
1261void
1262lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1263{
1264 int t;
1265 uint32_t *HashWorking;
2e0fef85 1266 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 1267
1268 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1269 if (!HashWorking)
1270 return;
1271
1272 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1273 HashWorking[0] = HashWorking[78] = *pwwnn++;
1274 HashWorking[1] = HashWorking[79] = *pwwnn;
1275
1276 for (t = 0; t < 7; t++)
1277 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1278
1279 lpfc_sha_init(hbainit);
1280 lpfc_sha_iterate(hbainit, HashWorking);
1281 kfree(HashWorking);
1282}
1283
1284static void
2e0fef85 1285lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 1286{
1287 struct lpfc_nodelist *ndlp, *next_ndlp;
1288
1289 /* clean up phba - lpfc specific */
2e0fef85
JS		 1290 lpfc_can_disctmo(vport);
1291 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
329f9bc7 1292 lpfc_nlp_put(ndlp);
dea3101e 1293 return;
1294}
1295
1296static void
1297lpfc_establish_link_tmo(unsigned long ptr)
1298{
92d7f7b0 1299 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
549e55cd 1300 struct lpfc_vport **vports;
dea3101e 1301 unsigned long iflag;
549e55cd 1302 int i;
dea3101e 1303
dea3101e 1304 /* Re-establishing Link, timer expired */
1305 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
e8b62011 1306 "1300 Re-establishing Link, timer expired "
dea3101e 1307 "Data: x%x x%x\n",
e8b62011 1308 phba->pport->fc_flag, phba->pport->port_state);
549e55cd
JS		 1309 vports = lpfc_create_vport_work_array(phba);
1310 if (vports != NULL)
1311 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1312 struct Scsi_Host *shost;
1313 shost = lpfc_shost_from_vport(vports[i]);
1314 spin_lock_irqsave(shost->host_lock, iflag);
1315 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1316 spin_unlock_irqrestore(shost->host_lock, iflag);
1317 }
1318 lpfc_destroy_vport_work_array(vports);
dea3101e 1319}
1320
92d7f7b0
JS		 1321void
1322lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 1323{
92d7f7b0
JS		 1324 del_timer_sync(&vport->els_tmofunc);
1325 del_timer_sync(&vport->fc_fdmitmo);
1326 lpfc_can_disctmo(vport);
1327 return;
dea3101e 1328}
1329
2e0fef85 1330static void
92d7f7b0 1331lpfc_stop_phba_timers(struct lpfc_hba *phba)
dea3101e 1332{
875fbdfe 1333 del_timer_sync(&phba->fcp_poll_timer);
dea3101e 1334 del_timer_sync(&phba->fc_estabtmo);
51ef4c26 1335 lpfc_stop_vport_timers(phba->pport);
2e0fef85 1336 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 1337 del_timer_sync(&phba->fabric_block_timer);
858c9f6c
JS		 1338 phba->hb_outstanding = 0;
1339 del_timer_sync(&phba->hb_tmofunc);
2e0fef85 1340 return;
dea3101e 1341}
1342
1343int
2e0fef85 1344lpfc_online(struct lpfc_hba *phba)
dea3101e 1345{
2e0fef85 1346 struct lpfc_vport *vport = phba->pport;
549e55cd
JS		 1347 struct lpfc_vport **vports;
1348 int i;
2e0fef85 1349
dea3101e 1350 if (!phba)
1351 return 0;
1352
2e0fef85 1353 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 1354 return 0;
1355
ed957684 1356 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1357 "0458 Bring Adapter online\n");
dea3101e 1358
46fa311e
JS		 1359 lpfc_block_mgmt_io(phba);
1360
1361 if (!lpfc_sli_queue_setup(phba)) {
1362 lpfc_unblock_mgmt_io(phba);
dea3101e 1363 return 1;
46fa311e 1364 }
dea3101e 1365
46fa311e
JS		 1366 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1367 lpfc_unblock_mgmt_io(phba);
dea3101e 1368 return 1;
46fa311e 1369 }
dea3101e 1370
549e55cd
JS		 1371 vports = lpfc_create_vport_work_array(phba);
1372 if (vports != NULL)
1373 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1374 struct Scsi_Host *shost;
1375 shost = lpfc_shost_from_vport(vports[i]);
1376 spin_lock_irq(shost->host_lock);
1377 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1378 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1379 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1380 spin_unlock_irq(shost->host_lock);
1381 }
1382 lpfc_destroy_vport_work_array(vports);
dea3101e 1383
46fa311e 1384 lpfc_unblock_mgmt_io(phba);
dea3101e 1385 return 0;
1386}
1387
46fa311e
JS		 1388void
1389lpfc_block_mgmt_io(struct lpfc_hba * phba)
dea3101e 1390{
dea3101e 1391 unsigned long iflag;
dea3101e 1392
2e0fef85
JS		 1393 spin_lock_irqsave(&phba->hbalock, iflag);
1394 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1395 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1396}
1397
1398void
1399lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1400{
1401 unsigned long iflag;
1402
2e0fef85
JS		 1403 spin_lock_irqsave(&phba->hbalock, iflag);
1404 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1405 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1406}
1407
1408void
1409lpfc_offline_prep(struct lpfc_hba * phba)
1410{
2e0fef85 1411 struct lpfc_vport *vport = phba->pport;
46fa311e 1412 struct lpfc_nodelist *ndlp, *next_ndlp;
dea3101e 1413
2e0fef85 1414 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1415 return;
dea3101e 1416
46fa311e 1417 lpfc_block_mgmt_io(phba);
dea3101e 1418
1419 lpfc_linkdown(phba);
1420
46fa311e 1421 /* Issue an unreg_login to all nodes */
2e0fef85 1422 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
685f0bf7 1423 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
2e0fef85 1424 lpfc_unreg_rpi(vport, ndlp);
dea3101e 1425
46fa311e
JS		 1426 lpfc_sli_flush_mbox_queue(phba);
1427}
1428
1429void
2e0fef85 1430lpfc_offline(struct lpfc_hba *phba)
46fa311e 1431{
549e55cd
JS		 1432 struct Scsi_Host *shost;
1433 struct lpfc_vport **vports;
1434 int i;
46fa311e 1435
549e55cd 1436 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1437 return;
688a8863 1438
dea3101e 1439 /* stop all timers associated with this hba */
92d7f7b0 1440 lpfc_stop_phba_timers(phba);
51ef4c26
JS		 1441 vports = lpfc_create_vport_work_array(phba);
1442 if (vports != NULL)
1443 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1444 lpfc_stop_vport_timers(vports[i]);
1445 lpfc_destroy_vport_work_array(vports);
92d7f7b0 1446 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1447 "0460 Bring Adapter offline\n");
dea3101e 1448 /* Bring down the SLI Layer and cleanup. The HBA is offline
1449 now. */
1450 lpfc_sli_hba_down(phba);
92d7f7b0 1451 spin_lock_irq(&phba->hbalock);
7054a606 1452 phba->work_ha = 0;
92d7f7b0 1453 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 1454 vports = lpfc_create_vport_work_array(phba);
1455 if (vports != NULL)
1456 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1457 shost = lpfc_shost_from_vport(vports[i]);
1458 lpfc_cleanup(vports[i]);
1459 spin_lock_irq(shost->host_lock);
1460 vports[i]->work_port_events = 0;
1461 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1462 spin_unlock_irq(shost->host_lock);
1463 }
1464 lpfc_destroy_vport_work_array(vports);
dea3101e 1465}
1466
1467/******************************************************************************
1468* Function name: lpfc_scsi_free
1469*
1470* Description: Called from lpfc_pci_remove_one free internal driver resources
1471*
1472******************************************************************************/
1473static int
2e0fef85 1474lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 1475{
1476 struct lpfc_scsi_buf *sb, *sb_next;
1477 struct lpfc_iocbq *io, *io_next;
1478
2e0fef85 1479 spin_lock_irq(&phba->hbalock);
dea3101e 1480 /* Release all the lpfc_scsi_bufs maintained by this host. */
1481 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1482 list_del(&sb->list);
1483 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 1484 sb->dma_handle);
dea3101e 1485 kfree(sb);
1486 phba->total_scsi_bufs--;
1487 }
1488
1489 /* Release all the lpfc_iocbq entries maintained by this host. */
1490 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1491 list_del(&io->list);
1492 kfree(io);
1493 phba->total_iocbq_bufs--;
1494 }
1495
2e0fef85 1496 spin_unlock_irq(&phba->hbalock);
dea3101e 1497
1498 return 0;
1499}
1500
2e0fef85 1501struct lpfc_vport *
3de2a653 1502lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 1503{
2e0fef85
JS		 1504 struct lpfc_vport *vport;
1505 struct Scsi_Host *shost;
1506 int error = 0;
47a8617c 1507
3de2a653
JS		 1508 if (dev != &phba->pcidev->dev)
1509 shost = scsi_host_alloc(&lpfc_vport_template,
1510 sizeof(struct lpfc_vport));
1511 else
1512 shost = scsi_host_alloc(&lpfc_template,
1513 sizeof(struct lpfc_vport));
2e0fef85
JS		 1514 if (!shost)
1515 goto out;
47a8617c 1516
2e0fef85
JS		 1517 vport = (struct lpfc_vport *) shost->hostdata;
1518 vport->phba = phba;
47a8617c 1519
2e0fef85 1520 vport->load_flag |= FC_LOADING;
92d7f7b0 1521 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
47a8617c 1522
3de2a653 1523 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 1524 shost->unique_id = instance;
1525 shost->max_id = LPFC_MAX_TARGET;
3de2a653 1526 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 1527 shost->this_id = -1;
1528 shost->max_cmd_len = 16;
47a8617c 1529 /*
2e0fef85
JS		 1530 * Set initial can_queue value since 0 is no longer supported and
1531 * scsi_add_host will fail. This will be adjusted later based on the
1532 * max xri value determined in hba setup.
47a8617c 1533 */
2e0fef85 1534 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 1535 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 1536 shost->transportt = lpfc_vport_transport_template;
1537 vport->port_type = LPFC_NPIV_PORT;
1538 } else {
1539 shost->transportt = lpfc_transport_template;
1540 vport->port_type = LPFC_PHYSICAL_PORT;
1541 }
47a8617c 1542
2e0fef85
JS		 1543 /* Initialize all internally managed lists. */
1544 INIT_LIST_HEAD(&vport->fc_nodes);
1545 spin_lock_init(&vport->work_port_lock);
47a8617c 1546
2e0fef85
JS		 1547 init_timer(&vport->fc_disctmo);
1548 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 1549 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 1550
2e0fef85
JS		 1551 init_timer(&vport->fc_fdmitmo);
1552 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 1553 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 1554
2e0fef85
JS		 1555 init_timer(&vport->els_tmofunc);
1556 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 1557 vport->els_tmofunc.data = (unsigned long)vport;
47a8617c 1558
3de2a653 1559 error = scsi_add_host(shost, dev);
2e0fef85
JS		 1560 if (error)
1561 goto out_put_shost;
47a8617c 1562
549e55cd 1563 spin_lock_irq(&phba->hbalock);
2e0fef85 1564 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 1565 spin_unlock_irq(&phba->hbalock);
2e0fef85 1566 return vport;
47a8617c 1567
2e0fef85
JS		 1568out_put_shost:
1569 scsi_host_put(shost);
1570out:
1571 return NULL;
47a8617c
JS		 1572}
1573
2e0fef85
JS		 1574void
1575destroy_port(struct lpfc_vport *vport)
47a8617c 1576{
92d7f7b0
JS		 1577 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1578 struct lpfc_hba *phba = vport->phba;
47a8617c 1579
92d7f7b0 1580 kfree(vport->vname);
47a8617c 1581
858c9f6c 1582 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 1583 fc_remove_host(shost);
1584 scsi_remove_host(shost);
47a8617c 1585
92d7f7b0
JS		 1586 spin_lock_irq(&phba->hbalock);
1587 list_del_init(&vport->listentry);
1588 spin_unlock_irq(&phba->hbalock);
47a8617c 1589
92d7f7b0 1590 lpfc_cleanup(vport);
47a8617c 1591 return;
47a8617c
JS		 1592}
1593
92d7f7b0
JS		 1594int
1595lpfc_get_instance(void)
1596{
1597 int instance = 0;
47a8617c 1598
92d7f7b0
JS		 1599 /* Assign an unused number */
1600 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1601 return -1;
1602 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1603 return -1;
1604 return instance;
47a8617c
JS		 1605}
1606
858c9f6c
JS		 1607/*
1608 * Note: there is no scan_start function as adapter initialization
1609 * will have asynchronously kicked off the link initialization.
1610 */
47a8617c
JS		 1611
1612int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1613{
2e0fef85
JS		 1614 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1615 struct lpfc_hba *phba = vport->phba;
858c9f6c 1616 int stat = 0;
47a8617c 1617
858c9f6c
JS		 1618 spin_lock_irq(shost->host_lock);
1619
51ef4c26 1620 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 1621 stat = 1;
1622 goto finished;
1623 }
2e0fef85
JS		 1624 if (time >= 30 * HZ) {
1625 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1626 "0461 Scanning longer than 30 "
1627 "seconds. Continuing initialization\n");
858c9f6c 1628 stat = 1;
47a8617c 1629 goto finished;
2e0fef85
JS		 1630 }
1631 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1632 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1633 "0465 Link down longer than 15 "
1634 "seconds. Continuing initialization\n");
858c9f6c 1635 stat = 1;
47a8617c 1636 goto finished;
2e0fef85 1637 }
47a8617c 1638
2e0fef85 1639 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 1640 goto finished;
2e0fef85 1641 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 1642 goto finished;
2e0fef85 1643 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 1644 goto finished;
2e0fef85 1645 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 1646 goto finished;
1647
1648 stat = 1;
47a8617c
JS		 1649
1650finished:
858c9f6c
JS		 1651 spin_unlock_irq(shost->host_lock);
1652 return stat;
92d7f7b0 1653}
47a8617c 1654
92d7f7b0
JS		 1655void lpfc_host_attrib_init(struct Scsi_Host *shost)
1656{
1657 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1658 struct lpfc_hba *phba = vport->phba;
47a8617c 1659 /*
2e0fef85 1660 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 1661 */
1662
2e0fef85
JS		 1663 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1664 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 1665 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1666
1667 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 1668 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 1669 fc_host_supported_fc4s(shost)[2] = 1;
1670 fc_host_supported_fc4s(shost)[7] = 1;
1671
92d7f7b0
JS		 1672 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1673 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 1674
1675 fc_host_supported_speeds(shost) = 0;
1676 if (phba->lmt & LMT_10Gb)
1677 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1678 if (phba->lmt & LMT_4Gb)
1679 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1680 if (phba->lmt & LMT_2Gb)
1681 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1682 if (phba->lmt & LMT_1Gb)
1683 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1684
1685 fc_host_maxframe_size(shost) =
2e0fef85
JS		 1686 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1687 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c
JS		 1688
1689 /* This value is also unchanging */
1690 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 1691 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 1692 fc_host_active_fc4s(shost)[2] = 1;
1693 fc_host_active_fc4s(shost)[7] = 1;
1694
92d7f7b0 1695 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 1696 spin_lock_irq(shost->host_lock);
51ef4c26 1697 vport->load_flag &= ~FC_LOADING;
47a8617c 1698 spin_unlock_irq(shost->host_lock);
47a8617c 1699}
dea3101e 1700
1701static int __devinit
1702lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1703{
2e0fef85
JS		 1704 struct lpfc_vport *vport = NULL;
1705 struct lpfc_hba *phba;
1706 struct lpfc_sli *psli;
dea3101e 1707 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
2e0fef85 1708 struct Scsi_Host *shost = NULL;
51ef4c26 1709 void *ptr;
dea3101e 1710 unsigned long bar0map_len, bar2map_len;
a5785037 1711 int error = -ENODEV;
51ef4c26 1712 int i, hbq_count;
604a3e30 1713 uint16_t iotag;
dea3101e 1714
1715 if (pci_enable_device(pdev))
1716 goto out;
1717 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1718 goto out_disable_device;
1719
2e0fef85
JS		 1720 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1721 if (!phba)
dea3101e 1722 goto out_release_regions;
1723
2e0fef85 1724 spin_lock_init(&phba->hbalock);
dea3101e 1725
dea3101e 1726 phba->pcidev = pdev;
1727
1728 /* Assign an unused board number */
92d7f7b0 1729 if ((phba->brd_no = lpfc_get_instance()) < 0)
2e0fef85 1730 goto out_free_phba;
dea3101e 1731
2e0fef85 1732 INIT_LIST_HEAD(&phba->port_list);
2e0fef85
JS		 1733 /*
1734 * Get all the module params for configuring this host and then
1735 * establish the host.
1736 */
1737 lpfc_get_cfgparam(phba);
92d7f7b0 1738 phba->max_vpi = LPFC_MAX_VPI;
dea3101e 1739
1740 /* Initialize timers used by driver */
1741 init_timer(&phba->fc_estabtmo);
1742 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1743 phba->fc_estabtmo.data = (unsigned long)phba;
858c9f6c
JS		 1744
1745 init_timer(&phba->hb_tmofunc);
1746 phba->hb_tmofunc.function = lpfc_hb_timeout;
1747 phba->hb_tmofunc.data = (unsigned long)phba;
1748
dea3101e 1749 psli = &phba->sli;
1750 init_timer(&psli->mbox_tmo);
1751 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 1752 psli->mbox_tmo.data = (unsigned long) phba;
875fbdfe
JSEC		 1753 init_timer(&phba->fcp_poll_timer);
1754 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 1755 phba->fcp_poll_timer.data = (unsigned long) phba;
92d7f7b0
JS		 1756 init_timer(&phba->fabric_block_timer);
1757 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1758 phba->fabric_block_timer.data = (unsigned long) phba;
dea3101e 1759
dea3101e 1760 pci_set_master(pdev);
694625c0 1761 pci_try_set_mwi(pdev);
dea3101e 1762
1763 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1764 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1765 goto out_idr_remove;
1766
1767 /*
1768 * Get the bus address of Bar0 and Bar2 and the number of bytes
1769 * required by each mapping.
1770 */
1771 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1772 bar0map_len = pci_resource_len(phba->pcidev, 0);
1773
1774 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1775 bar2map_len = pci_resource_len(phba->pcidev, 2);
1776
901a920f 1777 /* Map HBA SLIM to a kernel virtual address. */
dea3101e 1778 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
901a920f
JW		 1779 if (!phba->slim_memmap_p) {
1780 error = -ENODEV;
1781 dev_printk(KERN_ERR, &pdev->dev,
1782 "ioremap failed for SLIM memory.\n");
1783 goto out_idr_remove;
1784 }
1785
1786 /* Map HBA Control Registers to a kernel virtual address. */
dea3101e 1787 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
901a920f
JW		 1788 if (!phba->ctrl_regs_memmap_p) {
1789 error = -ENODEV;
1790 dev_printk(KERN_ERR, &pdev->dev,
1791 "ioremap failed for HBA control registers.\n");
1792 goto out_iounmap_slim;
1793 }
dea3101e 1794
1795 /* Allocate memory for SLI-2 structures */
1796 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1797 &phba->slim2p_mapping, GFP_KERNEL);
1798 if (!phba->slim2p)
1799 goto out_iounmap;
1800
f91b392c 1801 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
dea3101e 1802
ed957684
JS		 1803 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1804 lpfc_sli_hbq_size(),
1805 &phba->hbqslimp.phys,
1806 GFP_KERNEL);
1807 if (!phba->hbqslimp.virt)
1808 goto out_free_slim;
1809
51ef4c26
JS		 1810 hbq_count = lpfc_sli_hbq_count();
1811 ptr = phba->hbqslimp.virt;
1812 for (i = 0; i < hbq_count; ++i) {
1813 phba->hbqs[i].hbq_virt = ptr;
1814 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1815 ptr += (lpfc_hbq_defs[i]->entry_count *
1816 sizeof(struct lpfc_hbq_entry));
1817 }
1818 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1819 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
1820
ed957684
JS		 1821 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1822
dea3101e 1823 /* Initialize the SLI Layer to run with lpfc HBAs. */
1824 lpfc_sli_setup(phba);
1825 lpfc_sli_queue_setup(phba);
1826
1827 error = lpfc_mem_alloc(phba);
1828 if (error)
ed957684 1829 goto out_free_hbqslimp;
dea3101e 1830
1831 /* Initialize and populate the iocb list per host. */
1832 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1833 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
dd00cc48 1834 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 1835 if (iocbq_entry == NULL) {
1836 printk(KERN_ERR "%s: only allocated %d iocbs of "
1837 "expected %d count. Unloading driver.\n",
1838 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1839 error = -ENOMEM;
1840 goto out_free_iocbq;
1841 }
1842
604a3e30
JB		 1843 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1844 if (iotag == 0) {
1845 kfree (iocbq_entry);
1846 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1847 "Unloading driver.\n",
1848 __FUNCTION__);
1849 error = -ENOMEM;
1850 goto out_free_iocbq;
1851 }
2e0fef85
JS		 1852
1853 spin_lock_irq(&phba->hbalock);
dea3101e 1854 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1855 phba->total_iocbq_bufs++;
2e0fef85 1856 spin_unlock_irq(&phba->hbalock);
dea3101e 1857 }
1858
1859 /* Initialize HBA structure */
1860 phba->fc_edtov = FF_DEF_EDTOV;
1861 phba->fc_ratov = FF_DEF_RATOV;
1862 phba->fc_altov = FF_DEF_ALTOV;
1863 phba->fc_arbtov = FF_DEF_ARBTOV;
1864
1865 INIT_LIST_HEAD(&phba->work_list);
1866 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1867 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1868
1869 /* Startup the kernel thread for this host adapter. */
1870 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1871 "lpfc_worker_%d", phba->brd_no);
1872 if (IS_ERR(phba->worker_thread)) {
1873 error = PTR_ERR(phba->worker_thread);
1874 goto out_free_iocbq;
1875 }
1876
dea3101e 1877 /* Initialize the list of scsi buffers used by driver for scsi IO. */
875fbdfe 1878 spin_lock_init(&phba->scsi_buf_list_lock);
dea3101e 1879 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1880
92d7f7b0
JS		 1881 /* Initialize list of fabric iocbs */
1882 INIT_LIST_HEAD(&phba->fabric_iocb_list);
1883
3de2a653 1884 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2e0fef85
JS		 1885 if (!vport)
1886 goto out_kthread_stop;
1887
1888 shost = lpfc_shost_from_vport(vport);
2e0fef85 1889 phba->pport = vport;
858c9f6c 1890 lpfc_debugfs_initialize(vport);
2e0fef85 1891
92d7f7b0 1892 pci_set_drvdata(pdev, shost);
dea3101e 1893
4ff43246
JS		 1894 if (phba->cfg_use_msi) {
1895 error = pci_enable_msi(phba->pcidev);
51ef4c26
JS		 1896 if (!error)
1897 phba->using_msi = 1;
1898 else
e8b62011
JS		 1899 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1900 "0452 Enable MSI failed, continuing "
1901 "with IRQ\n");
4ff43246
JS		 1902 }
1903
1d6f359a 1904 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2e0fef85 1905 LPFC_DRIVER_NAME, phba);
dea3101e 1906 if (error) {
1907 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1908 "0451 Enable interrupt handler failed\n");
92d7f7b0 1909 goto out_disable_msi;
dea3101e 1910 }
dea3101e 1911
2e0fef85
JS		 1912 phba->MBslimaddr = phba->slim_memmap_p;
1913 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1914 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1915 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1916 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1917
92d7f7b0 1918 if (lpfc_alloc_sysfs_attr(vport))
dea3101e 1919 goto out_free_irq;
875fbdfe 1920
858c9f6c
JS		 1921 if (lpfc_sli_hba_setup(phba))
1922 goto out_remove_device;
1923
1924 /*
1925 * hba setup may have changed the hba_queue_depth so we need to adjust
1926 * the value of can_queue.
1927 */
1928 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1929
1930 lpfc_host_attrib_init(shost);
1931
2e0fef85
JS		 1932 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1933 spin_lock_irq(shost->host_lock);
1934 lpfc_poll_start_timer(phba);
1935 spin_unlock_irq(shost->host_lock);
1936 }
dea3101e 1937
858c9f6c 1938 scsi_scan_host(shost);
dea3101e 1939
dea3101e 1940 return 0;
1941
858c9f6c
JS		 1942out_remove_device:
1943 lpfc_free_sysfs_attr(vport);
1944 spin_lock_irq(shost->host_lock);
51ef4c26 1945 vport->load_flag |= FC_UNLOADING;
858c9f6c 1946 spin_unlock_irq(shost->host_lock);
dea3101e 1947out_free_irq:
92d7f7b0 1948 lpfc_stop_phba_timers(phba);
2e0fef85 1949 phba->pport->work_port_events = 0;
dea3101e 1950 free_irq(phba->pcidev->irq, phba);
92d7f7b0 1951out_disable_msi:
51ef4c26
JS		 1952 if (phba->using_msi)
1953 pci_disable_msi(phba->pcidev);
2e0fef85 1954 destroy_port(vport);
dea3101e 1955out_kthread_stop:
1956 kthread_stop(phba->worker_thread);
1957out_free_iocbq:
1958 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1959 &phba->lpfc_iocb_list, list) {
dea3101e 1960 kfree(iocbq_entry);
1961 phba->total_iocbq_bufs--;
dea3101e 1962 }
1963 lpfc_mem_free(phba);
ed957684
JS		 1964out_free_hbqslimp:
1965 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
1966 phba->hbqslimp.phys);
dea3101e 1967out_free_slim:
1968 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1969 phba->slim2p_mapping);
1970out_iounmap:
1971 iounmap(phba->ctrl_regs_memmap_p);
901a920f 1972out_iounmap_slim:
dea3101e 1973 iounmap(phba->slim_memmap_p);
1974out_idr_remove:
1975 idr_remove(&lpfc_hba_index, phba->brd_no);
2e0fef85
JS		 1976out_free_phba:
1977 kfree(phba);
dea3101e 1978out_release_regions:
1979 pci_release_regions(pdev);
1980out_disable_device:
1981 pci_disable_device(pdev);
1982out:
defbcf11 1983 pci_set_drvdata(pdev, NULL);
858c9f6c
JS		 1984 if (shost)
1985 scsi_host_put(shost);
dea3101e 1986 return error;
1987}
1988
1989static void __devexit
1990lpfc_pci_remove_one(struct pci_dev *pdev)
1991{
2e0fef85
JS		 1992 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1993 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1994 struct lpfc_hba *phba = vport->phba;
549e55cd 1995 spin_lock_irq(&phba->hbalock);
51ef4c26 1996 vport->load_flag |= FC_UNLOADING;
549e55cd 1997 spin_unlock_irq(&phba->hbalock);
2e0fef85 1998
858c9f6c
JS		 1999 kfree(vport->vname);
2000 lpfc_free_sysfs_attr(vport);
2001
2002 fc_remove_host(shost);
2003 scsi_remove_host(shost);
2e0fef85
JS		 2004 /*
2005 * Bring down the SLI Layer. This step disable all interrupts,
2006 * clears the rings, discards all mailbox commands, and resets
2007 * the HBA.
2008 */
2009 lpfc_sli_hba_down(phba);
2010 lpfc_sli_brdrestart(phba);
2011
92d7f7b0 2012 lpfc_stop_phba_timers(phba);
858c9f6c
JS		 2013 spin_lock_irq(&phba->hbalock);
2014 list_del_init(&vport->listentry);
2015 spin_unlock_irq(&phba->hbalock);
2016
858c9f6c
JS		 2017 lpfc_debugfs_terminate(vport);
2018 lpfc_cleanup(vport);
2e0fef85
JS		 2019
2020 kthread_stop(phba->worker_thread);
2021
2022 /* Release the irq reservation */
2023 free_irq(phba->pcidev->irq, phba);
51ef4c26
JS		 2024 if (phba->using_msi)
2025 pci_disable_msi(phba->pcidev);
dea3101e 2026
2027 pci_set_drvdata(pdev, NULL);
858c9f6c 2028 scsi_host_put(shost);
2e0fef85
JS		 2029
2030 /*
2031 * Call scsi_free before mem_free since scsi bufs are released to their
2032 * corresponding pools here.
2033 */
2034 lpfc_scsi_free(phba);
2035 lpfc_mem_free(phba);
2036
ed957684
JS		 2037 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2038 phba->hbqslimp.phys);
2039
2e0fef85
JS		 2040 /* Free resources associated with SLI2 interface */
2041 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2042 phba->slim2p, phba->slim2p_mapping);
2043
2044 /* unmap adapter SLIM and Control Registers */
2045 iounmap(phba->ctrl_regs_memmap_p);
2046 iounmap(phba->slim_memmap_p);
2047
2048 idr_remove(&lpfc_hba_index, phba->brd_no);
2049
2050 kfree(phba);
2051
2052 pci_release_regions(pdev);
2053 pci_disable_device(pdev);
dea3101e 2054}
2055
8d63f375
LV		 2056/**
2057 * lpfc_io_error_detected - called when PCI error is detected
2058 * @pdev: Pointer to PCI device
2059 * @state: The current pci conneection state
2060 *
2061 * This function is called after a PCI bus error affecting
2062 * this device has been detected.
2063 */
2064static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2065 pci_channel_state_t state)
2066{
51ef4c26
JS		 2067 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2068 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2069 struct lpfc_sli *psli = &phba->sli;
2070 struct lpfc_sli_ring *pring;
2071
5daa49ef 2072 if (state == pci_channel_io_perm_failure)
8d63f375 2073 return PCI_ERS_RESULT_DISCONNECT;
5daa49ef 2074
8d63f375
LV		 2075 pci_disable_device(pdev);
2076 /*
2077 * There may be I/Os dropped by the firmware.
2078 * Error iocb (I/O) on txcmplq and let the SCSI layer
2079 * retry it after re-establishing link.
2080 */
2081 pring = &psli->ring[psli->fcp_ring];
2082 lpfc_sli_abort_iocb_ring(phba, pring);
2083
51ef4c26
JS		 2084 /* Release the irq reservation */
2085 free_irq(phba->pcidev->irq, phba);
2086 if (phba->using_msi)
2087 pci_disable_msi(phba->pcidev);
2088
8d63f375
LV		 2089 /* Request a slot reset. */
2090 return PCI_ERS_RESULT_NEED_RESET;
2091}
2092
2093/**
2094 * lpfc_io_slot_reset - called after the pci bus has been reset.
2095 * @pdev: Pointer to PCI device
2096 *
2097 * Restart the card from scratch, as if from a cold-boot.
2098 */
2099static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2100{
51ef4c26
JS		 2101 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2102 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2103 struct lpfc_sli *psli = &phba->sli;
2104 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2105
2106 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2107 if (pci_enable_device_bars(pdev, bars)) {
2108 printk(KERN_ERR "lpfc: Cannot re-enable "
2109 "PCI device after reset.\n");
2110 return PCI_ERS_RESULT_DISCONNECT;
2111 }
2112
2113 pci_set_master(pdev);
2114
2115 /* Re-establishing Link */
51ef4c26 2116 spin_lock_irq(shost->host_lock);
92d7f7b0 2117 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
51ef4c26 2118 spin_unlock_irq(shost->host_lock);
8d63f375 2119
92d7f7b0 2120 spin_lock_irq(&phba->hbalock);
8d63f375 2121 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 2122 spin_unlock_irq(&phba->hbalock);
8d63f375
LV		 2123
2124
2125 /* Take device offline; this will perform cleanup */
2126 lpfc_offline(phba);
2127 lpfc_sli_brdrestart(phba);
2128
2129 return PCI_ERS_RESULT_RECOVERED;
2130}
2131
2132/**
2133 * lpfc_io_resume - called when traffic can start flowing again.
2134 * @pdev: Pointer to PCI device
2135 *
2136 * This callback is called when the error recovery driver tells us that
2137 * its OK to resume normal operation.
2138 */
2139static void lpfc_io_resume(struct pci_dev *pdev)
2140{
51ef4c26
JS		 2141 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2142 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2143
2144 if (lpfc_online(phba) == 0) {
2145 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2146 }
2147}
2148
dea3101e 2149static struct pci_device_id lpfc_id_table[] = {
2150 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2151 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 2152 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2153 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2154 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2155 PCI_ANY_ID, PCI_ANY_ID, },
2156 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2157 PCI_ANY_ID, PCI_ANY_ID, },
2158 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2159 PCI_ANY_ID, PCI_ANY_ID, },
2160 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2161 PCI_ANY_ID, PCI_ANY_ID, },
2162 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2163 PCI_ANY_ID, PCI_ANY_ID, },
2164 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2165 PCI_ANY_ID, PCI_ANY_ID, },
2166 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2167 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2168 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2169 PCI_ANY_ID, PCI_ANY_ID, },
2170 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2171 PCI_ANY_ID, PCI_ANY_ID, },
2172 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2173 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2174 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2175 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2176 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2177 PCI_ANY_ID, PCI_ANY_ID, },
2178 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2179 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2180 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2181 PCI_ANY_ID, PCI_ANY_ID, },
2182 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2183 PCI_ANY_ID, PCI_ANY_ID, },
2184 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2185 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2186 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2187 PCI_ANY_ID, PCI_ANY_ID, },
2188 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2189 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2190 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2191 PCI_ANY_ID, PCI_ANY_ID, },
2192 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2193 PCI_ANY_ID, PCI_ANY_ID, },
2194 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2195 PCI_ANY_ID, PCI_ANY_ID, },
2196 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2197 PCI_ANY_ID, PCI_ANY_ID, },
2198 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2199 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2200 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2201 PCI_ANY_ID, PCI_ANY_ID, },
2202 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2203 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 2204 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2205 PCI_ANY_ID, PCI_ANY_ID, },
2206 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2207 PCI_ANY_ID, PCI_ANY_ID, },
2208 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2209 PCI_ANY_ID, PCI_ANY_ID, },
2210 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2211 PCI_ANY_ID, PCI_ANY_ID, },
2212 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2213 PCI_ANY_ID, PCI_ANY_ID, },
2214 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2215 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2216 { 0 }
2217};
2218
2219MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2220
8d63f375
LV		 2221static struct pci_error_handlers lpfc_err_handler = {
2222 .error_detected = lpfc_io_error_detected,
2223 .slot_reset = lpfc_io_slot_reset,
2224 .resume = lpfc_io_resume,
2225};
2226
dea3101e 2227static struct pci_driver lpfc_driver = {
2228 .name = LPFC_DRIVER_NAME,
2229 .id_table = lpfc_id_table,
2230 .probe = lpfc_pci_probe_one,
2231 .remove = __devexit_p(lpfc_pci_remove_one),
2e0fef85 2232 .err_handler = &lpfc_err_handler,
dea3101e 2233};
2234
2235static int __init
2236lpfc_init(void)
2237{
2238 int error = 0;
2239
2240 printk(LPFC_MODULE_DESC "\n");
c44ce173 2241 printk(LPFC_COPYRIGHT "\n");
dea3101e 2242
2243 lpfc_transport_template =
2244 fc_attach_transport(&lpfc_transport_functions);
92d7f7b0
JS		 2245 lpfc_vport_transport_template =
2246 fc_attach_transport(&lpfc_vport_transport_functions);
2247 if (!lpfc_transport_template || !lpfc_vport_transport_template)
dea3101e 2248 return -ENOMEM;
2249 error = pci_register_driver(&lpfc_driver);
92d7f7b0 2250 if (error) {
dea3101e 2251 fc_release_transport(lpfc_transport_template);
92d7f7b0
JS		 2252 fc_release_transport(lpfc_vport_transport_template);
2253 }
dea3101e 2254
2255 return error;
2256}
2257
2258static void __exit
2259lpfc_exit(void)
2260{
2261 pci_unregister_driver(&lpfc_driver);
2262 fc_release_transport(lpfc_transport_template);
92d7f7b0 2263 fc_release_transport(lpfc_vport_transport_template);
dea3101e 2264}
2265
2266module_init(lpfc_init);
2267module_exit(lpfc_exit);
2268MODULE_LICENSE("GPL");
2269MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2270MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2271MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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