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[SCSI] sd,sr: add early detection of medium not present
[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
57127f15
JS		 215/* Completion handler for config async event mailbox command. */
216static void
217lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
218{
219 if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
220 phba->temp_sensor_support = 1;
221 else
222 phba->temp_sensor_support = 0;
223 mempool_free(pmboxq, phba->mbox_mem_pool);
224 return;
225}
226
dea3101e 227/************************************************************************/
228/* */
229/* lpfc_config_port_post */
230/* This routine will do LPFC initialization after the */
231/* CONFIG_PORT mailbox command. This will be initialized */
232/* as a SLI layer callback routine. */
233/* This routine returns 0 on success. Any other return value */
234/* indicates an error. */
235/* */
236/************************************************************************/
237int
2e0fef85 238lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 239{
2e0fef85 240 struct lpfc_vport *vport = phba->pport;
dea3101e 241 LPFC_MBOXQ_t *pmb;
242 MAILBOX_t *mb;
243 struct lpfc_dmabuf *mp;
244 struct lpfc_sli *psli = &phba->sli;
245 uint32_t status, timeout;
2e0fef85
JS		 246 int i, j;
247 int rc;
dea3101e 248
7af67051
JS		 249 spin_lock_irq(&phba->hbalock);
250 /*
251 * If the Config port completed correctly the HBA is not
252 * over heated any more.
253 */
254 if (phba->over_temp_state == HBA_OVER_TEMP)
255 phba->over_temp_state = HBA_NORMAL_TEMP;
256 spin_unlock_irq(&phba->hbalock);
257
dea3101e 258 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
259 if (!pmb) {
2e0fef85 260 phba->link_state = LPFC_HBA_ERROR;
dea3101e 261 return -ENOMEM;
262 }
263 mb = &pmb->mb;
264
dea3101e 265 /* Get login parameters for NID. */
92d7f7b0 266 lpfc_read_sparam(phba, pmb, 0);
ed957684 267 pmb->vport = vport;
dea3101e 268 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 270 "0448 Adapter failed init, mbxCmd x%x "
dea3101e 271 "READ_SPARM mbxStatus x%x\n",
dea3101e 272 mb->mbxCommand, mb->mbxStatus);
2e0fef85 273 phba->link_state = LPFC_HBA_ERROR;
dea3101e 274 mp = (struct lpfc_dmabuf *) pmb->context1;
275 mempool_free( pmb, phba->mbox_mem_pool);
276 lpfc_mbuf_free(phba, mp->virt, mp->phys);
277 kfree(mp);
278 return -EIO;
279 }
280
281 mp = (struct lpfc_dmabuf *) pmb->context1;
282
2e0fef85 283 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e 284 lpfc_mbuf_free(phba, mp->virt, mp->phys);
285 kfree(mp);
286 pmb->context1 = NULL;
287
a12e07bc 288 if (phba->cfg_soft_wwnn)
2e0fef85
JS		 289 u64_to_wwn(phba->cfg_soft_wwnn,
290 vport->fc_sparam.nodeName.u.wwn);
c3f28afa 291 if (phba->cfg_soft_wwpn)
2e0fef85
JS		 292 u64_to_wwn(phba->cfg_soft_wwpn,
293 vport->fc_sparam.portName.u.wwn);
294 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
dea3101e 295 sizeof (struct lpfc_name));
2e0fef85 296 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
dea3101e 297 sizeof (struct lpfc_name));
298 /* If no serial number in VPD data, use low 6 bytes of WWNN */
299 /* This should be consolidated into parse_vpd ? - mr */
300 if (phba->SerialNumber[0] == 0) {
301 uint8_t *outptr;
302
2e0fef85 303 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e 304 for (i = 0; i < 12; i++) {
305 status = *outptr++;
306 j = ((status & 0xf0) >> 4);
307 if (j <= 9)
308 phba->SerialNumber[i] =
309 (char)((uint8_t) 0x30 + (uint8_t) j);
310 else
311 phba->SerialNumber[i] =
312 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
313 i++;
314 j = (status & 0xf);
315 if (j <= 9)
316 phba->SerialNumber[i] =
317 (char)((uint8_t) 0x30 + (uint8_t) j);
318 else
319 phba->SerialNumber[i] =
320 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
321 }
322 }
323
dea3101e 324 lpfc_read_config(phba, pmb);
ed957684 325 pmb->vport = vport;
dea3101e 326 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 327 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 328 "0453 Adapter failed to init, mbxCmd x%x "
dea3101e 329 "READ_CONFIG, mbxStatus x%x\n",
dea3101e 330 mb->mbxCommand, mb->mbxStatus);
2e0fef85 331 phba->link_state = LPFC_HBA_ERROR;
dea3101e 332 mempool_free( pmb, phba->mbox_mem_pool);
333 return -EIO;
334 }
335
336 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
337 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
338 phba->cfg_hba_queue_depth =
339 mb->un.varRdConfig.max_xri + 1;
340
341 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 342
343 /* Get the default values for Model Name and Description */
344 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
345
346 if ((phba->cfg_link_speed > LINK_SPEED_10G)
347 || ((phba->cfg_link_speed == LINK_SPEED_1G)
348 && !(phba->lmt & LMT_1Gb))
349 || ((phba->cfg_link_speed == LINK_SPEED_2G)
350 && !(phba->lmt & LMT_2Gb))
351 || ((phba->cfg_link_speed == LINK_SPEED_4G)
352 && !(phba->lmt & LMT_4Gb))
353 || ((phba->cfg_link_speed == LINK_SPEED_8G)
354 && !(phba->lmt & LMT_8Gb))
355 || ((phba->cfg_link_speed == LINK_SPEED_10G)
356 && !(phba->lmt & LMT_10Gb))) {
357 /* Reset link speed to auto */
ed957684 358 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
e8b62011 359 "1302 Invalid speed for this board: "
dea3101e 360 "Reset link speed to auto: x%x\n",
dea3101e 361 phba->cfg_link_speed);
362 phba->cfg_link_speed = LINK_SPEED_AUTO;
363 }
364
2e0fef85 365 phba->link_state = LPFC_LINK_DOWN;
dea3101e 366
0b727fea 367 /* Only process IOCBs on ELS ring till hba_state is READY */
a4bc3379
JS		 368 if (psli->ring[psli->extra_ring].cmdringaddr)
369 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
dea3101e 370 if (psli->ring[psli->fcp_ring].cmdringaddr)
371 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
372 if (psli->ring[psli->next_ring].cmdringaddr)
373 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
374
375 /* Post receive buffers for desired rings */
ed957684
JS		 376 if (phba->sli_rev != 3)
377 lpfc_post_rcv_buf(phba);
dea3101e 378
379 /* Enable appropriate host interrupts */
2e0fef85 380 spin_lock_irq(&phba->hbalock);
dea3101e 381 status = readl(phba->HCregaddr);
382 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
383 if (psli->num_rings > 0)
384 status |= HC_R0INT_ENA;
385 if (psli->num_rings > 1)
386 status |= HC_R1INT_ENA;
387 if (psli->num_rings > 2)
388 status |= HC_R2INT_ENA;
389 if (psli->num_rings > 3)
390 status |= HC_R3INT_ENA;
391
875fbdfe
JSEC		 392 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
393 (phba->cfg_poll & DISABLE_FCP_RING_INT))
394 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
395
dea3101e 396 writel(status, phba->HCregaddr);
397 readl(phba->HCregaddr); /* flush */
2e0fef85 398 spin_unlock_irq(&phba->hbalock);
dea3101e 399
400 /*
401 * Setup the ring 0 (els) timeout handler
402 */
403 timeout = phba->fc_ratov << 1;
2e0fef85 404 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
858c9f6c
JS		 405 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
406 phba->hb_outstanding = 0;
407 phba->last_completion_time = jiffies;
dea3101e 408
409 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
410 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 411 pmb->vport = vport;
8aee918a 412 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
5b8bd0c9 413 lpfc_set_loopback_flag(phba);
8aee918a 414 if (rc != MBX_SUCCESS) {
ed957684 415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 416 "0454 Adapter failed to init, mbxCmd x%x "
dea3101e 417 "INIT_LINK, mbxStatus x%x\n",
dea3101e 418 mb->mbxCommand, mb->mbxStatus);
419
420 /* Clear all interrupt enable conditions */
421 writel(0, phba->HCregaddr);
422 readl(phba->HCregaddr); /* flush */
423 /* Clear all pending interrupts */
424 writel(0xffffffff, phba->HAregaddr);
425 readl(phba->HAregaddr); /* flush */
426
2e0fef85 427 phba->link_state = LPFC_HBA_ERROR;
8aee918a
JS		 428 if (rc != MBX_BUSY)
429 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 430 return -EIO;
431 }
432 /* MBOX buffer will be freed in mbox compl */
57127f15
JS		 433 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
434 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
435 pmb->mbox_cmpl = lpfc_config_async_cmpl;
436 pmb->vport = phba->pport;
437 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 438
57127f15
JS		 439 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
440 lpfc_printf_log(phba,
441 KERN_ERR,
442 LOG_INIT,
443 "0456 Adapter failed to issue "
444 "ASYNCEVT_ENABLE mbox status x%x \n.",
445 rc);
446 mempool_free(pmb, phba->mbox_mem_pool);
447 }
ce8b3ce5
JS		 448 return (0);
449}
450
dea3101e 451/************************************************************************/
452/* */
453/* lpfc_hba_down_prep */
454/* This routine will do LPFC uninitialization before the */
455/* HBA is reset when bringing down the SLI Layer. This will be */
456/* initialized as a SLI layer callback routine. */
457/* This routine returns 0 on success. Any other return value */
458/* indicates an error. */
459/* */
460/************************************************************************/
461int
2e0fef85 462lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 463{
464 /* Disable interrupts */
465 writel(0, phba->HCregaddr);
466 readl(phba->HCregaddr); /* flush */
467
51ef4c26 468 lpfc_cleanup_discovery_resources(phba->pport);
2e0fef85 469 return 0;
dea3101e 470}
471
41415862
JW		 472/************************************************************************/
473/* */
474/* lpfc_hba_down_post */
475/* This routine will do uninitialization after the HBA is reset */
476/* when bringing down the SLI Layer. */
477/* This routine returns 0 on success. Any other return value */
478/* indicates an error. */
479/* */
480/************************************************************************/
481int
2e0fef85 482lpfc_hba_down_post(struct lpfc_hba *phba)
41415862
JW		 483{
484 struct lpfc_sli *psli = &phba->sli;
485 struct lpfc_sli_ring *pring;
486 struct lpfc_dmabuf *mp, *next_mp;
487 int i;
488
92d7f7b0
JS		 489 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
490 lpfc_sli_hbqbuf_free_all(phba);
491 else {
492 /* Cleanup preposted buffers on the ELS ring */
493 pring = &psli->ring[LPFC_ELS_RING];
494 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
495 list_del(&mp->list);
496 pring->postbufq_cnt--;
497 lpfc_mbuf_free(phba, mp->virt, mp->phys);
498 kfree(mp);
499 }
41415862
JW		 500 }
501
502 for (i = 0; i < psli->num_rings; i++) {
503 pring = &psli->ring[i];
504 lpfc_sli_abort_iocb_ring(phba, pring);
505 }
506
507 return 0;
508}
509
858c9f6c
JS		 510/* HBA heart beat timeout handler */
511void
512lpfc_hb_timeout(unsigned long ptr)
513{
514 struct lpfc_hba *phba;
515 unsigned long iflag;
516
517 phba = (struct lpfc_hba *)ptr;
518 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
519 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
520 phba->pport->work_port_events |= WORKER_HB_TMO;
521 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
522
523 if (phba->work_wait)
524 wake_up(phba->work_wait);
525 return;
526}
527
528static void
529lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
530{
531 unsigned long drvr_flag;
532
533 spin_lock_irqsave(&phba->hbalock, drvr_flag);
534 phba->hb_outstanding = 0;
535 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
536
537 mempool_free(pmboxq, phba->mbox_mem_pool);
538 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
539 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 540 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c
JS		 541 mod_timer(&phba->hb_tmofunc,
542 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
543 return;
544}
545
546void
547lpfc_hb_timeout_handler(struct lpfc_hba *phba)
548{
549 LPFC_MBOXQ_t *pmboxq;
550 int retval;
551 struct lpfc_sli *psli = &phba->sli;
552
553 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 554 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 555 (phba->pport->fc_flag & FC_OFFLINE_MODE))
556 return;
557
558 spin_lock_irq(&phba->pport->work_port_lock);
559 /* If the timer is already canceled do nothing */
560 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
561 spin_unlock_irq(&phba->pport->work_port_lock);
562 return;
563 }
564
565 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
566 jiffies)) {
567 spin_unlock_irq(&phba->pport->work_port_lock);
568 if (!phba->hb_outstanding)
569 mod_timer(&phba->hb_tmofunc,
570 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
571 else
572 mod_timer(&phba->hb_tmofunc,
573 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
574 return;
575 }
576 spin_unlock_irq(&phba->pport->work_port_lock);
577
578 /* If there is no heart beat outstanding, issue a heartbeat command */
579 if (!phba->hb_outstanding) {
580 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
581 if (!pmboxq) {
582 mod_timer(&phba->hb_tmofunc,
583 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
584 return;
585 }
586
587 lpfc_heart_beat(phba, pmboxq);
588 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
589 pmboxq->vport = phba->pport;
590 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
591
592 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
593 mempool_free(pmboxq, phba->mbox_mem_pool);
594 mod_timer(&phba->hb_tmofunc,
595 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
596 return;
597 }
598 mod_timer(&phba->hb_tmofunc,
599 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
600 phba->hb_outstanding = 1;
601 return;
602 } else {
603 /*
604 * If heart beat timeout called with hb_outstanding set we
605 * need to take the HBA offline.
606 */
607 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 608 "0459 Adapter heartbeat failure, taking "
609 "this port offline.\n");
858c9f6c
JS		 610
611 spin_lock_irq(&phba->hbalock);
612 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
613 spin_unlock_irq(&phba->hbalock);
614
615 lpfc_offline_prep(phba);
616 lpfc_offline(phba);
617 lpfc_unblock_mgmt_io(phba);
618 phba->link_state = LPFC_HBA_ERROR;
619 lpfc_hba_down_post(phba);
620 }
621}
622
dea3101e 623/************************************************************************/
624/* */
625/* lpfc_handle_eratt */
626/* This routine will handle processing a Host Attention */
627/* Error Status event. This will be initialized */
628/* as a SLI layer callback routine. */
629/* */
630/************************************************************************/
631void
2e0fef85 632lpfc_handle_eratt(struct lpfc_hba *phba)
dea3101e 633{
2e0fef85 634 struct lpfc_vport *vport = phba->pport;
2e0fef85 635 struct lpfc_sli *psli = &phba->sli;
dea3101e 636 struct lpfc_sli_ring *pring;
549e55cd 637 struct lpfc_vport **vports;
d2873e4c 638 uint32_t event_data;
57127f15
JS		 639 unsigned long temperature;
640 struct temp_event temp_event_data;
92d7f7b0 641 struct Scsi_Host *shost;
549e55cd 642 int i;
2e0fef85 643
8d63f375
LV		 644 /* If the pci channel is offline, ignore possible errors,
645 * since we cannot communicate with the pci card anyway. */
646 if (pci_channel_offline(phba->pcidev))
647 return;
dea3101e 648
f5603511
JS		 649 if (phba->work_hs & HS_FFER6 ||
650 phba->work_hs & HS_FFER5) {
dea3101e 651 /* Re-establishing Link */
652 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
e8b62011 653 "1301 Re-establishing Link "
dea3101e 654 "Data: x%x x%x x%x\n",
e8b62011 655 phba->work_hs,
dea3101e 656 phba->work_status[0], phba->work_status[1]);
549e55cd
JS		 657 vports = lpfc_create_vport_work_array(phba);
658 if (vports != NULL)
659 for(i = 0;
660 i < LPFC_MAX_VPORTS && vports[i] != NULL;
661 i++){
662 shost = lpfc_shost_from_vport(vports[i]);
663 spin_lock_irq(shost->host_lock);
664 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
665 spin_unlock_irq(shost->host_lock);
666 }
667 lpfc_destroy_vport_work_array(vports);
92d7f7b0 668 spin_lock_irq(&phba->hbalock);
9290831f 669 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 670 spin_unlock_irq(&phba->hbalock);
dea3101e 671
672 /*
673 * Firmware stops when it triggled erratt with HS_FFER6.
674 * That could cause the I/Os dropped by the firmware.
675 * Error iocb (I/O) on txcmplq and let the SCSI layer
676 * retry it after re-establishing link.
677 */
678 pring = &psli->ring[psli->fcp_ring];
679 lpfc_sli_abort_iocb_ring(phba, pring);
680
681
682 /*
683 * There was a firmware error. Take the hba offline and then
684 * attempt to restart it.
685 */
46fa311e 686 lpfc_offline_prep(phba);
dea3101e 687 lpfc_offline(phba);
41415862 688 lpfc_sli_brdrestart(phba);
dea3101e 689 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
690 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
46fa311e 691 lpfc_unblock_mgmt_io(phba);
dea3101e 692 return;
693 }
46fa311e 694 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 695 } else if (phba->work_hs & HS_CRIT_TEMP) {
696 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
697 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
698 temp_event_data.event_code = LPFC_CRIT_TEMP;
699 temp_event_data.data = (uint32_t)temperature;
700
701 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
702 "0459 Adapter maximum temperature exceeded "
703 "(%ld), taking this port offline "
704 "Data: x%x x%x x%x\n",
705 temperature, phba->work_hs,
706 phba->work_status[0], phba->work_status[1]);
707
708 shost = lpfc_shost_from_vport(phba->pport);
709 fc_host_post_vendor_event(shost, fc_get_event_number(),
710 sizeof(temp_event_data),
711 (char *) &temp_event_data,
712 SCSI_NL_VID_TYPE_PCI
713 | PCI_VENDOR_ID_EMULEX);
714
7af67051 715 spin_lock_irq(&phba->hbalock);
57127f15 716 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
7af67051
JS		 717 phba->over_temp_state = HBA_OVER_TEMP;
718 spin_unlock_irq(&phba->hbalock);
57127f15
JS		 719 lpfc_offline_prep(phba);
720 lpfc_offline(phba);
721 lpfc_unblock_mgmt_io(phba);
722 phba->link_state = LPFC_HBA_ERROR;
723 lpfc_hba_down_post(phba);
724
dea3101e 725 } else {
726 /* The if clause above forces this code path when the status
727 * failure is a value other than FFER6. Do not call the offline
728 * twice. This is the adapter hardware error path.
729 */
730 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 731 "0457 Adapter Hardware Error "
dea3101e 732 "Data: x%x x%x x%x\n",
e8b62011 733 phba->work_hs,
dea3101e 734 phba->work_status[0], phba->work_status[1]);
735
d2873e4c 736 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 737 shost = lpfc_shost_from_vport(vport);
2e0fef85 738 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 739 sizeof(event_data), (char *) &event_data,
740 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
741
92d7f7b0 742 spin_lock_irq(&phba->hbalock);
9290831f 743 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 744 spin_unlock_irq(&phba->hbalock);
46fa311e 745 lpfc_offline_prep(phba);
dea3101e 746 lpfc_offline(phba);
46fa311e 747 lpfc_unblock_mgmt_io(phba);
2e0fef85 748 phba->link_state = LPFC_HBA_ERROR;
41415862 749 lpfc_hba_down_post(phba);
dea3101e 750 }
751}
752
753/************************************************************************/
754/* */
755/* lpfc_handle_latt */
756/* This routine will handle processing a Host Attention */
757/* Link Status event. This will be initialized */
758/* as a SLI layer callback routine. */
759/* */
760/************************************************************************/
761void
2e0fef85 762lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 763{
2e0fef85
JS		 764 struct lpfc_vport *vport = phba->pport;
765 struct lpfc_sli *psli = &phba->sli;
dea3101e 766 LPFC_MBOXQ_t *pmb;
767 volatile uint32_t control;
768 struct lpfc_dmabuf *mp;
769 int rc = -ENOMEM;
770
771 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
772 if (!pmb)
773 goto lpfc_handle_latt_err_exit;
774
775 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
776 if (!mp)
777 goto lpfc_handle_latt_free_pmb;
778
779 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
780 if (!mp->virt)
781 goto lpfc_handle_latt_free_mp;
782
783 rc = -EIO;
784
6281bfe0 785 /* Cleanup any outstanding ELS commands */
549e55cd 786 lpfc_els_flush_all_cmd(phba);
dea3101e 787
788 psli->slistat.link_event++;
789 lpfc_read_la(phba, pmb, mp);
790 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
2e0fef85 791 pmb->vport = vport;
0b727fea 792 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
dea3101e 793 if (rc == MBX_NOT_FINISHED)
14691150 794 goto lpfc_handle_latt_free_mbuf;
dea3101e 795
796 /* Clear Link Attention in HA REG */
2e0fef85 797 spin_lock_irq(&phba->hbalock);
dea3101e 798 writel(HA_LATT, phba->HAregaddr);
799 readl(phba->HAregaddr); /* flush */
2e0fef85 800 spin_unlock_irq(&phba->hbalock);
dea3101e 801
802 return;
803
14691150
JS		 804lpfc_handle_latt_free_mbuf:
805 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 806lpfc_handle_latt_free_mp:
807 kfree(mp);
808lpfc_handle_latt_free_pmb:
1dcb58e5 809 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 810lpfc_handle_latt_err_exit:
811 /* Enable Link attention interrupts */
2e0fef85 812 spin_lock_irq(&phba->hbalock);
dea3101e 813 psli->sli_flag |= LPFC_PROCESS_LA;
814 control = readl(phba->HCregaddr);
815 control |= HC_LAINT_ENA;
816 writel(control, phba->HCregaddr);
817 readl(phba->HCregaddr); /* flush */
818
819 /* Clear Link Attention in HA REG */
820 writel(HA_LATT, phba->HAregaddr);
821 readl(phba->HAregaddr); /* flush */
2e0fef85 822 spin_unlock_irq(&phba->hbalock);
dea3101e 823 lpfc_linkdown(phba);
2e0fef85 824 phba->link_state = LPFC_HBA_ERROR;
dea3101e 825
826 /* The other case is an error from issue_mbox */
827 if (rc == -ENOMEM)
ed957684 828 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
e8b62011 829 "0300 READ_LA: no buffers\n");
dea3101e 830
831 return;
832}
833
834/************************************************************************/
835/* */
836/* lpfc_parse_vpd */
837/* This routine will parse the VPD data */
838/* */
839/************************************************************************/
840static int
2e0fef85 841lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 842{
843 uint8_t lenlo, lenhi;
07da60c1 844 int Length;
dea3101e 845 int i, j;
846 int finished = 0;
847 int index = 0;
848
849 if (!vpd)
850 return 0;
851
852 /* Vital Product */
ed957684 853 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 854 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 855 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
856 (uint32_t) vpd[3]);
74b72a59 857 while (!finished && (index < (len - 4))) {
dea3101e 858 switch (vpd[index]) {
859 case 0x82:
74b72a59 860 case 0x91:
dea3101e 861 index += 1;
862 lenlo = vpd[index];
863 index += 1;
864 lenhi = vpd[index];
865 index += 1;
866 i = ((((unsigned short)lenhi) << 8) + lenlo);
867 index += i;
868 break;
869 case 0x90:
870 index += 1;
871 lenlo = vpd[index];
872 index += 1;
873 lenhi = vpd[index];
874 index += 1;
875 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 876 if (Length > len - index)
877 Length = len - index;
dea3101e 878 while (Length > 0) {
879 /* Look for Serial Number */
880 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
881 index += 2;
882 i = vpd[index];
883 index += 1;
884 j = 0;
885 Length -= (3+i);
886 while(i--) {
887 phba->SerialNumber[j++] = vpd[index++];
888 if (j == 31)
889 break;
890 }
891 phba->SerialNumber[j] = 0;
892 continue;
893 }
894 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
895 phba->vpd_flag |= VPD_MODEL_DESC;
896 index += 2;
897 i = vpd[index];
898 index += 1;
899 j = 0;
900 Length -= (3+i);
901 while(i--) {
902 phba->ModelDesc[j++] = vpd[index++];
903 if (j == 255)
904 break;
905 }
906 phba->ModelDesc[j] = 0;
907 continue;
908 }
909 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
910 phba->vpd_flag |= VPD_MODEL_NAME;
911 index += 2;
912 i = vpd[index];
913 index += 1;
914 j = 0;
915 Length -= (3+i);
916 while(i--) {
917 phba->ModelName[j++] = vpd[index++];
918 if (j == 79)
919 break;
920 }
921 phba->ModelName[j] = 0;
922 continue;
923 }
924 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
925 phba->vpd_flag |= VPD_PROGRAM_TYPE;
926 index += 2;
927 i = vpd[index];
928 index += 1;
929 j = 0;
930 Length -= (3+i);
931 while(i--) {
932 phba->ProgramType[j++] = vpd[index++];
933 if (j == 255)
934 break;
935 }
936 phba->ProgramType[j] = 0;
937 continue;
938 }
939 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
940 phba->vpd_flag |= VPD_PORT;
941 index += 2;
942 i = vpd[index];
943 index += 1;
944 j = 0;
945 Length -= (3+i);
946 while(i--) {
947 phba->Port[j++] = vpd[index++];
948 if (j == 19)
949 break;
950 }
951 phba->Port[j] = 0;
952 continue;
953 }
954 else {
955 index += 2;
956 i = vpd[index];
957 index += 1;
958 index += i;
959 Length -= (3 + i);
960 }
961 }
962 finished = 0;
963 break;
964 case 0x78:
965 finished = 1;
966 break;
967 default:
968 index ++;
969 break;
970 }
74b72a59 971 }
dea3101e 972
973 return(1);
974}
975
976static void
2e0fef85 977lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 978{
979 lpfc_vpd_t *vp;
fefcb2b6 980 uint16_t dev_id = phba->pcidev->device;
74b72a59 981 int max_speed;
74b72a59
JW		 982 struct {
983 char * name;
984 int max_speed;
74b72a59 985 char * bus;
18a3b596 986 } m = {"<Unknown>", 0, ""};
74b72a59
JW		 987
988 if (mdp && mdp[0] != '\0'
989 && descp && descp[0] != '\0')
990 return;
991
992 if (phba->lmt & LMT_10Gb)
993 max_speed = 10;
994 else if (phba->lmt & LMT_8Gb)
995 max_speed = 8;
996 else if (phba->lmt & LMT_4Gb)
997 max_speed = 4;
998 else if (phba->lmt & LMT_2Gb)
999 max_speed = 2;
1000 else
1001 max_speed = 1;
dea3101e 1002
1003 vp = &phba->vpd;
dea3101e 1004
e4adb204 1005 switch (dev_id) {
06325e74 1006 case PCI_DEVICE_ID_FIREFLY:
18a3b596 1007 m = (typeof(m)){"LP6000", max_speed, "PCI"};
06325e74 1008 break;
dea3101e 1009 case PCI_DEVICE_ID_SUPERFLY:
1010 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
18a3b596 1011 m = (typeof(m)){"LP7000", max_speed, "PCI"};
dea3101e 1012 else
18a3b596 1013 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
dea3101e 1014 break;
1015 case PCI_DEVICE_ID_DRAGONFLY:
18a3b596 1016 m = (typeof(m)){"LP8000", max_speed, "PCI"};
dea3101e 1017 break;
1018 case PCI_DEVICE_ID_CENTAUR:
1019 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
18a3b596 1020 m = (typeof(m)){"LP9002", max_speed, "PCI"};
dea3101e 1021 else
18a3b596 1022 m = (typeof(m)){"LP9000", max_speed, "PCI"};
dea3101e 1023 break;
1024 case PCI_DEVICE_ID_RFLY:
18a3b596 1025 m = (typeof(m)){"LP952", max_speed, "PCI"};
dea3101e 1026 break;
1027 case PCI_DEVICE_ID_PEGASUS:
18a3b596 1028 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
dea3101e 1029 break;
1030 case PCI_DEVICE_ID_THOR:
18a3b596 1031 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
dea3101e 1032 break;
1033 case PCI_DEVICE_ID_VIPER:
18a3b596 1034 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
dea3101e 1035 break;
1036 case PCI_DEVICE_ID_PFLY:
18a3b596 1037 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
dea3101e 1038 break;
1039 case PCI_DEVICE_ID_TFLY:
18a3b596 1040 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
dea3101e 1041 break;
1042 case PCI_DEVICE_ID_HELIOS:
18a3b596 1043 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
dea3101e 1044 break;
e4adb204 1045 case PCI_DEVICE_ID_HELIOS_SCSP:
18a3b596 1046 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1047 break;
1048 case PCI_DEVICE_ID_HELIOS_DCSP:
18a3b596 1049 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1050 break;
1051 case PCI_DEVICE_ID_NEPTUNE:
18a3b596 1052 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
e4adb204
JSEC		 1053 break;
1054 case PCI_DEVICE_ID_NEPTUNE_SCSP:
18a3b596 1055 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
e4adb204
JSEC		 1056 break;
1057 case PCI_DEVICE_ID_NEPTUNE_DCSP:
18a3b596 1058 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
e4adb204 1059 break;
dea3101e 1060 case PCI_DEVICE_ID_BMID:
18a3b596 1061 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
dea3101e 1062 break;
1063 case PCI_DEVICE_ID_BSMB:
18a3b596 1064 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
dea3101e 1065 break;
1066 case PCI_DEVICE_ID_ZEPHYR:
18a3b596 1067 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
dea3101e 1068 break;
e4adb204 1069 case PCI_DEVICE_ID_ZEPHYR_SCSP:
18a3b596 1070 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
e4adb204
JSEC		 1071 break;
1072 case PCI_DEVICE_ID_ZEPHYR_DCSP:
18a3b596 1073 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
e4adb204 1074 break;
dea3101e 1075 case PCI_DEVICE_ID_ZMID:
18a3b596 1076 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
dea3101e 1077 break;
1078 case PCI_DEVICE_ID_ZSMB:
18a3b596 1079 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
dea3101e 1080 break;
1081 case PCI_DEVICE_ID_LP101:
18a3b596 1082 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
dea3101e 1083 break;
1084 case PCI_DEVICE_ID_LP10000S:
18a3b596 1085 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
06325e74 1086 break;
e4adb204 1087 case PCI_DEVICE_ID_LP11000S:
18a3b596
JS		 1088 m = (typeof(m)){"LP11000-S", max_speed,
1089 "PCI-X2"};
1090 break;
e4adb204 1091 case PCI_DEVICE_ID_LPE11000S:
18a3b596
JS		 1092 m = (typeof(m)){"LPe11000-S", max_speed,
1093 "PCIe"};
5cc36b3c 1094 break;
b87eab38
JS		 1095 case PCI_DEVICE_ID_SAT:
1096 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1097 break;
1098 case PCI_DEVICE_ID_SAT_MID:
1099 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1100 break;
1101 case PCI_DEVICE_ID_SAT_SMB:
1102 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1103 break;
1104 case PCI_DEVICE_ID_SAT_DCSP:
1105 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1106 break;
1107 case PCI_DEVICE_ID_SAT_SCSP:
1108 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1109 break;
1110 case PCI_DEVICE_ID_SAT_S:
1111 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1112 break;
5cc36b3c 1113 default:
041976fb 1114 m = (typeof(m)){ NULL };
e4adb204 1115 break;
dea3101e 1116 }
74b72a59
JW		 1117
1118 if (mdp && mdp[0] == '\0')
1119 snprintf(mdp, 79,"%s", m.name);
1120 if (descp && descp[0] == '\0')
1121 snprintf(descp, 255,
18a3b596
JS		 1122 "Emulex %s %dGb %s Fibre Channel Adapter",
1123 m.name, m.max_speed, m.bus);
dea3101e 1124}
1125
1126/**************************************************/
1127/* lpfc_post_buffer */
1128/* */
1129/* This routine will post count buffers to the */
1130/* ring with the QUE_RING_BUF_CN command. This */
1131/* allows 3 buffers / command to be posted. */
1132/* Returns the number of buffers NOT posted. */
1133/**************************************************/
1134int
2e0fef85 1135lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
dea3101e 1136 int type)
1137{
1138 IOCB_t *icmd;
0bd4ca25 1139 struct lpfc_iocbq *iocb;
dea3101e 1140 struct lpfc_dmabuf *mp1, *mp2;
1141
1142 cnt += pring->missbufcnt;
1143
1144 /* While there are buffers to post */
1145 while (cnt > 0) {
1146 /* Allocate buffer for command iocb */
0bd4ca25 1147 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 1148 if (iocb == NULL) {
1149 pring->missbufcnt = cnt;
1150 return cnt;
1151 }
dea3101e 1152 icmd = &iocb->iocb;
1153
1154 /* 2 buffers can be posted per command */
1155 /* Allocate buffer to post */
1156 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1157 if (mp1)
98c9ea5c
JS		 1158 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1159 if (!mp1 || !mp1->virt) {
c9475cb0 1160 kfree(mp1);
604a3e30 1161 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1162 pring->missbufcnt = cnt;
1163 return cnt;
1164 }
1165
1166 INIT_LIST_HEAD(&mp1->list);
1167 /* Allocate buffer to post */
1168 if (cnt > 1) {
1169 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1170 if (mp2)
1171 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1172 &mp2->phys);
98c9ea5c 1173 if (!mp2 || !mp2->virt) {
c9475cb0 1174 kfree(mp2);
dea3101e 1175 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1176 kfree(mp1);
604a3e30 1177 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1178 pring->missbufcnt = cnt;
1179 return cnt;
1180 }
1181
1182 INIT_LIST_HEAD(&mp2->list);
1183 } else {
1184 mp2 = NULL;
1185 }
1186
1187 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1188 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1189 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1190 icmd->ulpBdeCount = 1;
1191 cnt--;
1192 if (mp2) {
1193 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1194 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1195 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1196 cnt--;
1197 icmd->ulpBdeCount = 2;
1198 }
1199
1200 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1201 icmd->ulpLe = 1;
1202
dea3101e 1203 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1204 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1205 kfree(mp1);
1206 cnt++;
1207 if (mp2) {
1208 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1209 kfree(mp2);
1210 cnt++;
1211 }
604a3e30 1212 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1213 pring->missbufcnt = cnt;
dea3101e 1214 return cnt;
1215 }
dea3101e 1216 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 1217 if (mp2)
dea3101e 1218 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 1219 }
1220 pring->missbufcnt = 0;
1221 return 0;
1222}
1223
1224/************************************************************************/
1225/* */
1226/* lpfc_post_rcv_buf */
1227/* This routine post initial rcv buffers to the configured rings */
1228/* */
1229/************************************************************************/
1230static int
2e0fef85 1231lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 1232{
1233 struct lpfc_sli *psli = &phba->sli;
1234
1235 /* Ring 0, ELS / CT buffers */
1236 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1237 /* Ring 2 - FCP no buffers needed */
1238
1239 return 0;
1240}
1241
1242#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1243
1244/************************************************************************/
1245/* */
1246/* lpfc_sha_init */
1247/* */
1248/************************************************************************/
1249static void
1250lpfc_sha_init(uint32_t * HashResultPointer)
1251{
1252 HashResultPointer[0] = 0x67452301;
1253 HashResultPointer[1] = 0xEFCDAB89;
1254 HashResultPointer[2] = 0x98BADCFE;
1255 HashResultPointer[3] = 0x10325476;
1256 HashResultPointer[4] = 0xC3D2E1F0;
1257}
1258
1259/************************************************************************/
1260/* */
1261/* lpfc_sha_iterate */
1262/* */
1263/************************************************************************/
1264static void
1265lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1266{
1267 int t;
1268 uint32_t TEMP;
1269 uint32_t A, B, C, D, E;
1270 t = 16;
1271 do {
1272 HashWorkingPointer[t] =
1273 S(1,
1274 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1275 8] ^
1276 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1277 } while (++t <= 79);
1278 t = 0;
1279 A = HashResultPointer[0];
1280 B = HashResultPointer[1];
1281 C = HashResultPointer[2];
1282 D = HashResultPointer[3];
1283 E = HashResultPointer[4];
1284
1285 do {
1286 if (t < 20) {
1287 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1288 } else if (t < 40) {
1289 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1290 } else if (t < 60) {
1291 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1292 } else {
1293 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1294 }
1295 TEMP += S(5, A) + E + HashWorkingPointer[t];
1296 E = D;
1297 D = C;
1298 C = S(30, B);
1299 B = A;
1300 A = TEMP;
1301 } while (++t <= 79);
1302
1303 HashResultPointer[0] += A;
1304 HashResultPointer[1] += B;
1305 HashResultPointer[2] += C;
1306 HashResultPointer[3] += D;
1307 HashResultPointer[4] += E;
1308
1309}
1310
1311/************************************************************************/
1312/* */
1313/* lpfc_challenge_key */
1314/* */
1315/************************************************************************/
1316static void
1317lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1318{
1319 *HashWorking = (*RandomChallenge ^ *HashWorking);
1320}
1321
1322/************************************************************************/
1323/* */
1324/* lpfc_hba_init */
1325/* */
1326/************************************************************************/
1327void
1328lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1329{
1330 int t;
1331 uint32_t *HashWorking;
2e0fef85 1332 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 1333
bbfbbbc1 1334 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 1335 if (!HashWorking)
1336 return;
1337
dea3101e 1338 HashWorking[0] = HashWorking[78] = *pwwnn++;
1339 HashWorking[1] = HashWorking[79] = *pwwnn;
1340
1341 for (t = 0; t < 7; t++)
1342 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1343
1344 lpfc_sha_init(hbainit);
1345 lpfc_sha_iterate(hbainit, HashWorking);
1346 kfree(HashWorking);
1347}
1348
87af33fe 1349void
2e0fef85 1350lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 1351{
87af33fe 1352 struct lpfc_hba *phba = vport->phba;
dea3101e 1353 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 1354 int i = 0;
dea3101e 1355
87af33fe
JS		 1356 if (phba->link_state > LPFC_LINK_DOWN)
1357 lpfc_port_link_failure(vport);
1358
1359 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1360 if (ndlp->nlp_type & NLP_FABRIC)
1361 lpfc_disc_state_machine(vport, ndlp, NULL,
1362 NLP_EVT_DEVICE_RECOVERY);
1363 lpfc_disc_state_machine(vport, ndlp, NULL,
1364 NLP_EVT_DEVICE_RM);
1365 }
1366
a8adb832
JS		 1367 /* At this point, ALL ndlp's should be gone
1368 * because of the previous NLP_EVT_DEVICE_RM.
1369 * Lets wait for this to happen, if needed.
1370 */
87af33fe
JS		 1371 while (!list_empty(&vport->fc_nodes)) {
1372
a8adb832 1373 if (i++ > 3000) {
87af33fe 1374 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832
JS		 1375 "0233 Nodelist not empty\n");
1376 break;
87af33fe 1377 }
a8adb832
JS		 1378
1379 /* Wait for any activity on ndlps to settle */
1380 msleep(10);
87af33fe 1381 }
dea3101e 1382 return;
1383}
1384
1385static void
1386lpfc_establish_link_tmo(unsigned long ptr)
1387{
92d7f7b0 1388 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
549e55cd 1389 struct lpfc_vport **vports;
dea3101e 1390 unsigned long iflag;
549e55cd 1391 int i;
dea3101e 1392
dea3101e 1393 /* Re-establishing Link, timer expired */
1394 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
e8b62011 1395 "1300 Re-establishing Link, timer expired "
dea3101e 1396 "Data: x%x x%x\n",
e8b62011 1397 phba->pport->fc_flag, phba->pport->port_state);
549e55cd
JS		 1398 vports = lpfc_create_vport_work_array(phba);
1399 if (vports != NULL)
1400 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1401 struct Scsi_Host *shost;
1402 shost = lpfc_shost_from_vport(vports[i]);
1403 spin_lock_irqsave(shost->host_lock, iflag);
1404 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1405 spin_unlock_irqrestore(shost->host_lock, iflag);
1406 }
1407 lpfc_destroy_vport_work_array(vports);
dea3101e 1408}
1409
92d7f7b0
JS		 1410void
1411lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 1412{
92d7f7b0
JS		 1413 del_timer_sync(&vport->els_tmofunc);
1414 del_timer_sync(&vport->fc_fdmitmo);
1415 lpfc_can_disctmo(vport);
1416 return;
dea3101e 1417}
1418
2e0fef85 1419static void
92d7f7b0 1420lpfc_stop_phba_timers(struct lpfc_hba *phba)
dea3101e 1421{
875fbdfe 1422 del_timer_sync(&phba->fcp_poll_timer);
dea3101e 1423 del_timer_sync(&phba->fc_estabtmo);
51ef4c26 1424 lpfc_stop_vport_timers(phba->pport);
2e0fef85 1425 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 1426 del_timer_sync(&phba->fabric_block_timer);
858c9f6c
JS		 1427 phba->hb_outstanding = 0;
1428 del_timer_sync(&phba->hb_tmofunc);
2e0fef85 1429 return;
dea3101e 1430}
1431
1432int
2e0fef85 1433lpfc_online(struct lpfc_hba *phba)
dea3101e 1434{
2e0fef85 1435 struct lpfc_vport *vport = phba->pport;
549e55cd
JS		 1436 struct lpfc_vport **vports;
1437 int i;
2e0fef85 1438
dea3101e 1439 if (!phba)
1440 return 0;
1441
2e0fef85 1442 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 1443 return 0;
1444
ed957684 1445 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1446 "0458 Bring Adapter online\n");
dea3101e 1447
46fa311e
JS		 1448 lpfc_block_mgmt_io(phba);
1449
1450 if (!lpfc_sli_queue_setup(phba)) {
1451 lpfc_unblock_mgmt_io(phba);
dea3101e 1452 return 1;
46fa311e 1453 }
dea3101e 1454
46fa311e
JS		 1455 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1456 lpfc_unblock_mgmt_io(phba);
dea3101e 1457 return 1;
46fa311e 1458 }
dea3101e 1459
549e55cd
JS		 1460 vports = lpfc_create_vport_work_array(phba);
1461 if (vports != NULL)
1462 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1463 struct Scsi_Host *shost;
1464 shost = lpfc_shost_from_vport(vports[i]);
1465 spin_lock_irq(shost->host_lock);
1466 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1467 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1468 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1469 spin_unlock_irq(shost->host_lock);
1470 }
1471 lpfc_destroy_vport_work_array(vports);
dea3101e 1472
46fa311e 1473 lpfc_unblock_mgmt_io(phba);
dea3101e 1474 return 0;
1475}
1476
46fa311e
JS		 1477void
1478lpfc_block_mgmt_io(struct lpfc_hba * phba)
dea3101e 1479{
dea3101e 1480 unsigned long iflag;
dea3101e 1481
2e0fef85
JS		 1482 spin_lock_irqsave(&phba->hbalock, iflag);
1483 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1484 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1485}
1486
1487void
1488lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1489{
1490 unsigned long iflag;
1491
2e0fef85
JS		 1492 spin_lock_irqsave(&phba->hbalock, iflag);
1493 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1494 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1495}
1496
1497void
1498lpfc_offline_prep(struct lpfc_hba * phba)
1499{
2e0fef85 1500 struct lpfc_vport *vport = phba->pport;
46fa311e 1501 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe
JS		 1502 struct lpfc_vport **vports;
1503 int i;
dea3101e 1504
2e0fef85 1505 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1506 return;
dea3101e 1507
46fa311e 1508 lpfc_block_mgmt_io(phba);
dea3101e 1509
1510 lpfc_linkdown(phba);
1511
87af33fe
JS		 1512 /* Issue an unreg_login to all nodes on all vports */
1513 vports = lpfc_create_vport_work_array(phba);
1514 if (vports != NULL) {
1515 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1516 struct Scsi_Host *shost;
1517
a8adb832
JS		 1518 if (vports[i]->load_flag & FC_UNLOADING)
1519 continue;
87af33fe
JS		 1520 shost = lpfc_shost_from_vport(vports[i]);
1521 list_for_each_entry_safe(ndlp, next_ndlp,
1522 &vports[i]->fc_nodes,
1523 nlp_listp) {
1524 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1525 continue;
1526 if (ndlp->nlp_type & NLP_FABRIC) {
1527 lpfc_disc_state_machine(vports[i], ndlp,
1528 NULL, NLP_EVT_DEVICE_RECOVERY);
1529 lpfc_disc_state_machine(vports[i], ndlp,
1530 NULL, NLP_EVT_DEVICE_RM);
1531 }
1532 spin_lock_irq(shost->host_lock);
1533 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1534 spin_unlock_irq(shost->host_lock);
1535 lpfc_unreg_rpi(vports[i], ndlp);
1536 }
1537 }
1538 }
1539 lpfc_destroy_vport_work_array(vports);
dea3101e 1540
46fa311e
JS		 1541 lpfc_sli_flush_mbox_queue(phba);
1542}
1543
1544void
2e0fef85 1545lpfc_offline(struct lpfc_hba *phba)
46fa311e 1546{
549e55cd
JS		 1547 struct Scsi_Host *shost;
1548 struct lpfc_vport **vports;
1549 int i;
46fa311e 1550
549e55cd 1551 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1552 return;
688a8863 1553
dea3101e 1554 /* stop all timers associated with this hba */
92d7f7b0 1555 lpfc_stop_phba_timers(phba);
51ef4c26
JS		 1556 vports = lpfc_create_vport_work_array(phba);
1557 if (vports != NULL)
1558 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1559 lpfc_stop_vport_timers(vports[i]);
1560 lpfc_destroy_vport_work_array(vports);
92d7f7b0 1561 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1562 "0460 Bring Adapter offline\n");
dea3101e 1563 /* Bring down the SLI Layer and cleanup. The HBA is offline
1564 now. */
1565 lpfc_sli_hba_down(phba);
92d7f7b0 1566 spin_lock_irq(&phba->hbalock);
7054a606 1567 phba->work_ha = 0;
92d7f7b0 1568 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 1569 vports = lpfc_create_vport_work_array(phba);
1570 if (vports != NULL)
1571 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1572 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 1573 spin_lock_irq(shost->host_lock);
1574 vports[i]->work_port_events = 0;
1575 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1576 spin_unlock_irq(shost->host_lock);
1577 }
1578 lpfc_destroy_vport_work_array(vports);
dea3101e 1579}
1580
1581/******************************************************************************
1582* Function name: lpfc_scsi_free
1583*
1584* Description: Called from lpfc_pci_remove_one free internal driver resources
1585*
1586******************************************************************************/
1587static int
2e0fef85 1588lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 1589{
1590 struct lpfc_scsi_buf *sb, *sb_next;
1591 struct lpfc_iocbq *io, *io_next;
1592
2e0fef85 1593 spin_lock_irq(&phba->hbalock);
dea3101e 1594 /* Release all the lpfc_scsi_bufs maintained by this host. */
1595 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1596 list_del(&sb->list);
1597 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 1598 sb->dma_handle);
dea3101e 1599 kfree(sb);
1600 phba->total_scsi_bufs--;
1601 }
1602
1603 /* Release all the lpfc_iocbq entries maintained by this host. */
1604 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1605 list_del(&io->list);
1606 kfree(io);
1607 phba->total_iocbq_bufs--;
1608 }
1609
2e0fef85 1610 spin_unlock_irq(&phba->hbalock);
dea3101e 1611
1612 return 0;
1613}
1614
2e0fef85 1615struct lpfc_vport *
3de2a653 1616lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 1617{
2e0fef85
JS		 1618 struct lpfc_vport *vport;
1619 struct Scsi_Host *shost;
1620 int error = 0;
47a8617c 1621
3de2a653
JS		 1622 if (dev != &phba->pcidev->dev)
1623 shost = scsi_host_alloc(&lpfc_vport_template,
1624 sizeof(struct lpfc_vport));
1625 else
1626 shost = scsi_host_alloc(&lpfc_template,
1627 sizeof(struct lpfc_vport));
2e0fef85
JS		 1628 if (!shost)
1629 goto out;
47a8617c 1630
2e0fef85
JS		 1631 vport = (struct lpfc_vport *) shost->hostdata;
1632 vport->phba = phba;
47a8617c 1633
2e0fef85 1634 vport->load_flag |= FC_LOADING;
92d7f7b0 1635 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
47a8617c 1636
3de2a653 1637 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 1638 shost->unique_id = instance;
1639 shost->max_id = LPFC_MAX_TARGET;
3de2a653 1640 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 1641 shost->this_id = -1;
1642 shost->max_cmd_len = 16;
47a8617c 1643 /*
2e0fef85
JS		 1644 * Set initial can_queue value since 0 is no longer supported and
1645 * scsi_add_host will fail. This will be adjusted later based on the
1646 * max xri value determined in hba setup.
47a8617c 1647 */
2e0fef85 1648 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 1649 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 1650 shost->transportt = lpfc_vport_transport_template;
1651 vport->port_type = LPFC_NPIV_PORT;
1652 } else {
1653 shost->transportt = lpfc_transport_template;
1654 vport->port_type = LPFC_PHYSICAL_PORT;
1655 }
47a8617c 1656
2e0fef85
JS		 1657 /* Initialize all internally managed lists. */
1658 INIT_LIST_HEAD(&vport->fc_nodes);
1659 spin_lock_init(&vport->work_port_lock);
47a8617c 1660
2e0fef85
JS		 1661 init_timer(&vport->fc_disctmo);
1662 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 1663 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 1664
2e0fef85
JS		 1665 init_timer(&vport->fc_fdmitmo);
1666 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 1667 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 1668
2e0fef85
JS		 1669 init_timer(&vport->els_tmofunc);
1670 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 1671 vport->els_tmofunc.data = (unsigned long)vport;
47a8617c 1672
3de2a653 1673 error = scsi_add_host(shost, dev);
2e0fef85
JS		 1674 if (error)
1675 goto out_put_shost;
47a8617c 1676
549e55cd 1677 spin_lock_irq(&phba->hbalock);
2e0fef85 1678 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 1679 spin_unlock_irq(&phba->hbalock);
2e0fef85 1680 return vport;
47a8617c 1681
2e0fef85
JS		 1682out_put_shost:
1683 scsi_host_put(shost);
1684out:
1685 return NULL;
47a8617c
JS		 1686}
1687
2e0fef85
JS		 1688void
1689destroy_port(struct lpfc_vport *vport)
47a8617c 1690{
92d7f7b0
JS		 1691 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1692 struct lpfc_hba *phba = vport->phba;
47a8617c 1693
92d7f7b0 1694 kfree(vport->vname);
47a8617c 1695
858c9f6c 1696 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 1697 fc_remove_host(shost);
1698 scsi_remove_host(shost);
47a8617c 1699
92d7f7b0
JS		 1700 spin_lock_irq(&phba->hbalock);
1701 list_del_init(&vport->listentry);
1702 spin_unlock_irq(&phba->hbalock);
47a8617c 1703
92d7f7b0 1704 lpfc_cleanup(vport);
47a8617c 1705 return;
47a8617c
JS		 1706}
1707
92d7f7b0
JS		 1708int
1709lpfc_get_instance(void)
1710{
1711 int instance = 0;
47a8617c 1712
92d7f7b0
JS		 1713 /* Assign an unused number */
1714 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1715 return -1;
1716 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1717 return -1;
1718 return instance;
47a8617c
JS		 1719}
1720
858c9f6c
JS		 1721/*
1722 * Note: there is no scan_start function as adapter initialization
1723 * will have asynchronously kicked off the link initialization.
1724 */
47a8617c
JS		 1725
1726int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1727{
2e0fef85
JS		 1728 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1729 struct lpfc_hba *phba = vport->phba;
858c9f6c 1730 int stat = 0;
47a8617c 1731
858c9f6c
JS		 1732 spin_lock_irq(shost->host_lock);
1733
51ef4c26 1734 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 1735 stat = 1;
1736 goto finished;
1737 }
2e0fef85
JS		 1738 if (time >= 30 * HZ) {
1739 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1740 "0461 Scanning longer than 30 "
1741 "seconds. Continuing initialization\n");
858c9f6c 1742 stat = 1;
47a8617c 1743 goto finished;
2e0fef85
JS		 1744 }
1745 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1746 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1747 "0465 Link down longer than 15 "
1748 "seconds. Continuing initialization\n");
858c9f6c 1749 stat = 1;
47a8617c 1750 goto finished;
2e0fef85 1751 }
47a8617c 1752
2e0fef85 1753 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 1754 goto finished;
2e0fef85 1755 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 1756 goto finished;
2e0fef85 1757 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 1758 goto finished;
2e0fef85 1759 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 1760 goto finished;
1761
1762 stat = 1;
47a8617c
JS		 1763
1764finished:
858c9f6c
JS		 1765 spin_unlock_irq(shost->host_lock);
1766 return stat;
92d7f7b0 1767}
47a8617c 1768
92d7f7b0
JS		 1769void lpfc_host_attrib_init(struct Scsi_Host *shost)
1770{
1771 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1772 struct lpfc_hba *phba = vport->phba;
47a8617c 1773 /*
2e0fef85 1774 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 1775 */
1776
2e0fef85
JS		 1777 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1778 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 1779 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1780
1781 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 1782 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 1783 fc_host_supported_fc4s(shost)[2] = 1;
1784 fc_host_supported_fc4s(shost)[7] = 1;
1785
92d7f7b0
JS		 1786 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1787 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 1788
1789 fc_host_supported_speeds(shost) = 0;
1790 if (phba->lmt & LMT_10Gb)
1791 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 1792 if (phba->lmt & LMT_8Gb)
1793 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 1794 if (phba->lmt & LMT_4Gb)
1795 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1796 if (phba->lmt & LMT_2Gb)
1797 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1798 if (phba->lmt & LMT_1Gb)
1799 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1800
1801 fc_host_maxframe_size(shost) =
2e0fef85
JS		 1802 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1803 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c
JS		 1804
1805 /* This value is also unchanging */
1806 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 1807 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 1808 fc_host_active_fc4s(shost)[2] = 1;
1809 fc_host_active_fc4s(shost)[7] = 1;
1810
92d7f7b0 1811 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 1812 spin_lock_irq(shost->host_lock);
51ef4c26 1813 vport->load_flag &= ~FC_LOADING;
47a8617c 1814 spin_unlock_irq(shost->host_lock);
47a8617c 1815}
dea3101e 1816
1817static int __devinit
1818lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1819{
2e0fef85
JS		 1820 struct lpfc_vport *vport = NULL;
1821 struct lpfc_hba *phba;
1822 struct lpfc_sli *psli;
dea3101e 1823 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
2e0fef85 1824 struct Scsi_Host *shost = NULL;
51ef4c26 1825 void *ptr;
dea3101e 1826 unsigned long bar0map_len, bar2map_len;
98c9ea5c 1827 int error = -ENODEV, retval;
51ef4c26 1828 int i, hbq_count;
604a3e30 1829 uint16_t iotag;
dea3101e 1830
1831 if (pci_enable_device(pdev))
1832 goto out;
1833 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1834 goto out_disable_device;
1835
2e0fef85
JS		 1836 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1837 if (!phba)
dea3101e 1838 goto out_release_regions;
1839
2e0fef85 1840 spin_lock_init(&phba->hbalock);
dea3101e 1841
dea3101e 1842 phba->pcidev = pdev;
1843
1844 /* Assign an unused board number */
92d7f7b0 1845 if ((phba->brd_no = lpfc_get_instance()) < 0)
2e0fef85 1846 goto out_free_phba;
dea3101e 1847
2e0fef85 1848 INIT_LIST_HEAD(&phba->port_list);
2e0fef85
JS		 1849 /*
1850 * Get all the module params for configuring this host and then
1851 * establish the host.
1852 */
1853 lpfc_get_cfgparam(phba);
92d7f7b0 1854 phba->max_vpi = LPFC_MAX_VPI;
dea3101e 1855
1856 /* Initialize timers used by driver */
1857 init_timer(&phba->fc_estabtmo);
1858 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1859 phba->fc_estabtmo.data = (unsigned long)phba;
858c9f6c
JS		 1860
1861 init_timer(&phba->hb_tmofunc);
1862 phba->hb_tmofunc.function = lpfc_hb_timeout;
1863 phba->hb_tmofunc.data = (unsigned long)phba;
1864
dea3101e 1865 psli = &phba->sli;
1866 init_timer(&psli->mbox_tmo);
1867 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 1868 psli->mbox_tmo.data = (unsigned long) phba;
875fbdfe
JSEC		 1869 init_timer(&phba->fcp_poll_timer);
1870 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 1871 phba->fcp_poll_timer.data = (unsigned long) phba;
92d7f7b0
JS		 1872 init_timer(&phba->fabric_block_timer);
1873 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1874 phba->fabric_block_timer.data = (unsigned long) phba;
dea3101e 1875
dea3101e 1876 pci_set_master(pdev);
694625c0 1877 pci_try_set_mwi(pdev);
dea3101e 1878
1879 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1880 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1881 goto out_idr_remove;
1882
1883 /*
1884 * Get the bus address of Bar0 and Bar2 and the number of bytes
1885 * required by each mapping.
1886 */
1887 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1888 bar0map_len = pci_resource_len(phba->pcidev, 0);
1889
1890 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1891 bar2map_len = pci_resource_len(phba->pcidev, 2);
1892
901a920f 1893 /* Map HBA SLIM to a kernel virtual address. */
dea3101e 1894 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
901a920f
JW		 1895 if (!phba->slim_memmap_p) {
1896 error = -ENODEV;
1897 dev_printk(KERN_ERR, &pdev->dev,
1898 "ioremap failed for SLIM memory.\n");
1899 goto out_idr_remove;
1900 }
1901
1902 /* Map HBA Control Registers to a kernel virtual address. */
dea3101e 1903 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
901a920f
JW		 1904 if (!phba->ctrl_regs_memmap_p) {
1905 error = -ENODEV;
1906 dev_printk(KERN_ERR, &pdev->dev,
1907 "ioremap failed for HBA control registers.\n");
1908 goto out_iounmap_slim;
1909 }
dea3101e 1910
1911 /* Allocate memory for SLI-2 structures */
1912 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1913 &phba->slim2p_mapping, GFP_KERNEL);
1914 if (!phba->slim2p)
1915 goto out_iounmap;
1916
f91b392c 1917 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
dea3101e 1918
ed957684
JS		 1919 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1920 lpfc_sli_hbq_size(),
1921 &phba->hbqslimp.phys,
1922 GFP_KERNEL);
1923 if (!phba->hbqslimp.virt)
1924 goto out_free_slim;
1925
51ef4c26
JS		 1926 hbq_count = lpfc_sli_hbq_count();
1927 ptr = phba->hbqslimp.virt;
1928 for (i = 0; i < hbq_count; ++i) {
1929 phba->hbqs[i].hbq_virt = ptr;
1930 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1931 ptr += (lpfc_hbq_defs[i]->entry_count *
1932 sizeof(struct lpfc_hbq_entry));
1933 }
1934 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1935 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
1936
ed957684
JS		 1937 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1938
dea3101e 1939 /* Initialize the SLI Layer to run with lpfc HBAs. */
1940 lpfc_sli_setup(phba);
1941 lpfc_sli_queue_setup(phba);
1942
98c9ea5c
JS		 1943 retval = lpfc_mem_alloc(phba);
1944 if (retval) {
1945 error = retval;
ed957684 1946 goto out_free_hbqslimp;
98c9ea5c 1947 }
dea3101e 1948
1949 /* Initialize and populate the iocb list per host. */
1950 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1951 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
dd00cc48 1952 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 1953 if (iocbq_entry == NULL) {
1954 printk(KERN_ERR "%s: only allocated %d iocbs of "
1955 "expected %d count. Unloading driver.\n",
1956 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1957 error = -ENOMEM;
1958 goto out_free_iocbq;
1959 }
1960
604a3e30
JB		 1961 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1962 if (iotag == 0) {
1963 kfree (iocbq_entry);
1964 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1965 "Unloading driver.\n",
1966 __FUNCTION__);
1967 error = -ENOMEM;
1968 goto out_free_iocbq;
1969 }
2e0fef85
JS		 1970
1971 spin_lock_irq(&phba->hbalock);
dea3101e 1972 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1973 phba->total_iocbq_bufs++;
2e0fef85 1974 spin_unlock_irq(&phba->hbalock);
dea3101e 1975 }
1976
1977 /* Initialize HBA structure */
1978 phba->fc_edtov = FF_DEF_EDTOV;
1979 phba->fc_ratov = FF_DEF_RATOV;
1980 phba->fc_altov = FF_DEF_ALTOV;
1981 phba->fc_arbtov = FF_DEF_ARBTOV;
1982
1983 INIT_LIST_HEAD(&phba->work_list);
1984 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1985 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1986
1987 /* Startup the kernel thread for this host adapter. */
1988 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1989 "lpfc_worker_%d", phba->brd_no);
1990 if (IS_ERR(phba->worker_thread)) {
1991 error = PTR_ERR(phba->worker_thread);
1992 goto out_free_iocbq;
1993 }
1994
dea3101e 1995 /* Initialize the list of scsi buffers used by driver for scsi IO. */
875fbdfe 1996 spin_lock_init(&phba->scsi_buf_list_lock);
dea3101e 1997 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1998
92d7f7b0
JS		 1999 /* Initialize list of fabric iocbs */
2000 INIT_LIST_HEAD(&phba->fabric_iocb_list);
2001
3de2a653 2002 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2e0fef85
JS		 2003 if (!vport)
2004 goto out_kthread_stop;
2005
2006 shost = lpfc_shost_from_vport(vport);
2e0fef85 2007 phba->pport = vport;
858c9f6c 2008 lpfc_debugfs_initialize(vport);
2e0fef85 2009
92d7f7b0 2010 pci_set_drvdata(pdev, shost);
dea3101e 2011
4ff43246 2012 if (phba->cfg_use_msi) {
98c9ea5c
JS		 2013 retval = pci_enable_msi(phba->pcidev);
2014 if (!retval)
51ef4c26
JS		 2015 phba->using_msi = 1;
2016 else
e8b62011
JS		 2017 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2018 "0452 Enable MSI failed, continuing "
2019 "with IRQ\n");
4ff43246
JS		 2020 }
2021
98c9ea5c 2022 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2e0fef85 2023 LPFC_DRIVER_NAME, phba);
98c9ea5c 2024 if (retval) {
dea3101e 2025 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 2026 "0451 Enable interrupt handler failed\n");
98c9ea5c 2027 error = retval;
92d7f7b0 2028 goto out_disable_msi;
dea3101e 2029 }
dea3101e 2030
2e0fef85
JS		 2031 phba->MBslimaddr = phba->slim_memmap_p;
2032 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2033 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2034 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2035 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2036
98c9ea5c
JS		 2037 if (lpfc_alloc_sysfs_attr(vport)) {
2038 error = -ENOMEM;
dea3101e 2039 goto out_free_irq;
98c9ea5c 2040 }
875fbdfe 2041
98c9ea5c
JS		 2042 if (lpfc_sli_hba_setup(phba)) {
2043 error = -ENODEV;
858c9f6c 2044 goto out_remove_device;
98c9ea5c 2045 }
858c9f6c
JS		 2046
2047 /*
2048 * hba setup may have changed the hba_queue_depth so we need to adjust
2049 * the value of can_queue.
2050 */
2051 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2052
2053 lpfc_host_attrib_init(shost);
2054
2e0fef85
JS		 2055 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2056 spin_lock_irq(shost->host_lock);
2057 lpfc_poll_start_timer(phba);
2058 spin_unlock_irq(shost->host_lock);
2059 }
dea3101e 2060
858c9f6c 2061 scsi_scan_host(shost);
dea3101e 2062
dea3101e 2063 return 0;
2064
858c9f6c
JS		 2065out_remove_device:
2066 lpfc_free_sysfs_attr(vport);
2067 spin_lock_irq(shost->host_lock);
51ef4c26 2068 vport->load_flag |= FC_UNLOADING;
858c9f6c 2069 spin_unlock_irq(shost->host_lock);
dea3101e 2070out_free_irq:
92d7f7b0 2071 lpfc_stop_phba_timers(phba);
2e0fef85 2072 phba->pport->work_port_events = 0;
dea3101e 2073 free_irq(phba->pcidev->irq, phba);
92d7f7b0 2074out_disable_msi:
51ef4c26
JS		 2075 if (phba->using_msi)
2076 pci_disable_msi(phba->pcidev);
2e0fef85 2077 destroy_port(vport);
dea3101e 2078out_kthread_stop:
2079 kthread_stop(phba->worker_thread);
2080out_free_iocbq:
2081 list_for_each_entry_safe(iocbq_entry, iocbq_next,
2082 &phba->lpfc_iocb_list, list) {
dea3101e 2083 kfree(iocbq_entry);
2084 phba->total_iocbq_bufs--;
dea3101e 2085 }
2086 lpfc_mem_free(phba);
ed957684
JS		 2087out_free_hbqslimp:
2088 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2089 phba->hbqslimp.phys);
dea3101e 2090out_free_slim:
2091 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2092 phba->slim2p_mapping);
2093out_iounmap:
2094 iounmap(phba->ctrl_regs_memmap_p);
901a920f 2095out_iounmap_slim:
dea3101e 2096 iounmap(phba->slim_memmap_p);
2097out_idr_remove:
2098 idr_remove(&lpfc_hba_index, phba->brd_no);
2e0fef85
JS		 2099out_free_phba:
2100 kfree(phba);
dea3101e 2101out_release_regions:
2102 pci_release_regions(pdev);
2103out_disable_device:
2104 pci_disable_device(pdev);
2105out:
defbcf11 2106 pci_set_drvdata(pdev, NULL);
858c9f6c
JS		 2107 if (shost)
2108 scsi_host_put(shost);
dea3101e 2109 return error;
2110}
2111
2112static void __devexit
2113lpfc_pci_remove_one(struct pci_dev *pdev)
2114{
2e0fef85
JS		 2115 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2116 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2117 struct lpfc_hba *phba = vport->phba;
549e55cd 2118 spin_lock_irq(&phba->hbalock);
51ef4c26 2119 vport->load_flag |= FC_UNLOADING;
549e55cd 2120 spin_unlock_irq(&phba->hbalock);
2e0fef85 2121
858c9f6c
JS		 2122 kfree(vport->vname);
2123 lpfc_free_sysfs_attr(vport);
2124
2125 fc_remove_host(shost);
2126 scsi_remove_host(shost);
87af33fe
JS		 2127 lpfc_cleanup(vport);
2128
2e0fef85
JS		 2129 /*
2130 * Bring down the SLI Layer. This step disable all interrupts,
2131 * clears the rings, discards all mailbox commands, and resets
2132 * the HBA.
2133 */
2134 lpfc_sli_hba_down(phba);
2135 lpfc_sli_brdrestart(phba);
2136
92d7f7b0 2137 lpfc_stop_phba_timers(phba);
858c9f6c
JS		 2138 spin_lock_irq(&phba->hbalock);
2139 list_del_init(&vport->listentry);
2140 spin_unlock_irq(&phba->hbalock);
2141
858c9f6c 2142 lpfc_debugfs_terminate(vport);
2e0fef85
JS		 2143
2144 kthread_stop(phba->worker_thread);
2145
2146 /* Release the irq reservation */
2147 free_irq(phba->pcidev->irq, phba);
51ef4c26
JS		 2148 if (phba->using_msi)
2149 pci_disable_msi(phba->pcidev);
dea3101e 2150
2151 pci_set_drvdata(pdev, NULL);
858c9f6c 2152 scsi_host_put(shost);
2e0fef85
JS		 2153
2154 /*
2155 * Call scsi_free before mem_free since scsi bufs are released to their
2156 * corresponding pools here.
2157 */
2158 lpfc_scsi_free(phba);
2159 lpfc_mem_free(phba);
2160
ed957684
JS		 2161 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2162 phba->hbqslimp.phys);
2163
2e0fef85
JS		 2164 /* Free resources associated with SLI2 interface */
2165 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2166 phba->slim2p, phba->slim2p_mapping);
2167
2168 /* unmap adapter SLIM and Control Registers */
2169 iounmap(phba->ctrl_regs_memmap_p);
2170 iounmap(phba->slim_memmap_p);
2171
2172 idr_remove(&lpfc_hba_index, phba->brd_no);
2173
2174 kfree(phba);
2175
2176 pci_release_regions(pdev);
2177 pci_disable_device(pdev);
dea3101e 2178}
2179
8d63f375
LV		 2180/**
2181 * lpfc_io_error_detected - called when PCI error is detected
2182 * @pdev: Pointer to PCI device
2183 * @state: The current pci conneection state
2184 *
2185 * This function is called after a PCI bus error affecting
2186 * this device has been detected.
2187 */
2188static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2189 pci_channel_state_t state)
2190{
51ef4c26
JS		 2191 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2192 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2193 struct lpfc_sli *psli = &phba->sli;
2194 struct lpfc_sli_ring *pring;
2195
5daa49ef 2196 if (state == pci_channel_io_perm_failure)
8d63f375 2197 return PCI_ERS_RESULT_DISCONNECT;
5daa49ef 2198
8d63f375
LV		 2199 pci_disable_device(pdev);
2200 /*
2201 * There may be I/Os dropped by the firmware.
2202 * Error iocb (I/O) on txcmplq and let the SCSI layer
2203 * retry it after re-establishing link.
2204 */
2205 pring = &psli->ring[psli->fcp_ring];
2206 lpfc_sli_abort_iocb_ring(phba, pring);
2207
51ef4c26
JS		 2208 /* Release the irq reservation */
2209 free_irq(phba->pcidev->irq, phba);
2210 if (phba->using_msi)
2211 pci_disable_msi(phba->pcidev);
2212
8d63f375
LV		 2213 /* Request a slot reset. */
2214 return PCI_ERS_RESULT_NEED_RESET;
2215}
2216
2217/**
2218 * lpfc_io_slot_reset - called after the pci bus has been reset.
2219 * @pdev: Pointer to PCI device
2220 *
2221 * Restart the card from scratch, as if from a cold-boot.
2222 */
2223static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2224{
51ef4c26
JS		 2225 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2226 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2227 struct lpfc_sli *psli = &phba->sli;
2228 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2229
2230 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2231 if (pci_enable_device_bars(pdev, bars)) {
2232 printk(KERN_ERR "lpfc: Cannot re-enable "
2233 "PCI device after reset.\n");
2234 return PCI_ERS_RESULT_DISCONNECT;
2235 }
2236
2237 pci_set_master(pdev);
2238
2239 /* Re-establishing Link */
51ef4c26 2240 spin_lock_irq(shost->host_lock);
92d7f7b0 2241 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
51ef4c26 2242 spin_unlock_irq(shost->host_lock);
8d63f375 2243
92d7f7b0 2244 spin_lock_irq(&phba->hbalock);
8d63f375 2245 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 2246 spin_unlock_irq(&phba->hbalock);
8d63f375
LV		 2247
2248
2249 /* Take device offline; this will perform cleanup */
2250 lpfc_offline(phba);
2251 lpfc_sli_brdrestart(phba);
2252
2253 return PCI_ERS_RESULT_RECOVERED;
2254}
2255
2256/**
2257 * lpfc_io_resume - called when traffic can start flowing again.
2258 * @pdev: Pointer to PCI device
2259 *
2260 * This callback is called when the error recovery driver tells us that
2261 * its OK to resume normal operation.
2262 */
2263static void lpfc_io_resume(struct pci_dev *pdev)
2264{
51ef4c26
JS		 2265 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2266 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2267
2268 if (lpfc_online(phba) == 0) {
2269 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2270 }
2271}
2272
dea3101e 2273static struct pci_device_id lpfc_id_table[] = {
2274 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2275 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 2276 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2277 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2278 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2279 PCI_ANY_ID, PCI_ANY_ID, },
2280 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2281 PCI_ANY_ID, PCI_ANY_ID, },
2282 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2283 PCI_ANY_ID, PCI_ANY_ID, },
2284 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2285 PCI_ANY_ID, PCI_ANY_ID, },
2286 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2287 PCI_ANY_ID, PCI_ANY_ID, },
2288 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2289 PCI_ANY_ID, PCI_ANY_ID, },
2290 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2291 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2292 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2293 PCI_ANY_ID, PCI_ANY_ID, },
2294 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2295 PCI_ANY_ID, PCI_ANY_ID, },
2296 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2297 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2298 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2299 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2300 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2301 PCI_ANY_ID, PCI_ANY_ID, },
2302 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2303 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2304 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2305 PCI_ANY_ID, PCI_ANY_ID, },
2306 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2307 PCI_ANY_ID, PCI_ANY_ID, },
2308 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2309 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2310 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2311 PCI_ANY_ID, PCI_ANY_ID, },
2312 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2313 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2314 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2315 PCI_ANY_ID, PCI_ANY_ID, },
2316 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2317 PCI_ANY_ID, PCI_ANY_ID, },
2318 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2319 PCI_ANY_ID, PCI_ANY_ID, },
2320 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2321 PCI_ANY_ID, PCI_ANY_ID, },
2322 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2323 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2324 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2325 PCI_ANY_ID, PCI_ANY_ID, },
2326 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2327 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 2328 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2329 PCI_ANY_ID, PCI_ANY_ID, },
2330 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2331 PCI_ANY_ID, PCI_ANY_ID, },
2332 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2333 PCI_ANY_ID, PCI_ANY_ID, },
2334 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2335 PCI_ANY_ID, PCI_ANY_ID, },
2336 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2337 PCI_ANY_ID, PCI_ANY_ID, },
2338 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2339 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2340 { 0 }
2341};
2342
2343MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2344
8d63f375
LV		 2345static struct pci_error_handlers lpfc_err_handler = {
2346 .error_detected = lpfc_io_error_detected,
2347 .slot_reset = lpfc_io_slot_reset,
2348 .resume = lpfc_io_resume,
2349};
2350
dea3101e 2351static struct pci_driver lpfc_driver = {
2352 .name = LPFC_DRIVER_NAME,
2353 .id_table = lpfc_id_table,
2354 .probe = lpfc_pci_probe_one,
2355 .remove = __devexit_p(lpfc_pci_remove_one),
2e0fef85 2356 .err_handler = &lpfc_err_handler,
dea3101e 2357};
2358
2359static int __init
2360lpfc_init(void)
2361{
2362 int error = 0;
2363
2364 printk(LPFC_MODULE_DESC "\n");
c44ce173 2365 printk(LPFC_COPYRIGHT "\n");
dea3101e 2366
7ee5d43e
JS		 2367 if (lpfc_enable_npiv) {
2368 lpfc_transport_functions.vport_create = lpfc_vport_create;
2369 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2370 }
dea3101e 2371 lpfc_transport_template =
2372 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 2373 if (lpfc_transport_template == NULL)
dea3101e 2374 return -ENOMEM;
7ee5d43e 2375 if (lpfc_enable_npiv) {
7ee5d43e 2376 lpfc_vport_transport_template =
98c9ea5c
JS		 2377 fc_attach_transport(&lpfc_vport_transport_functions);
2378 if (lpfc_vport_transport_template == NULL) {
2379 fc_release_transport(lpfc_transport_template);
7ee5d43e 2380 return -ENOMEM;
98c9ea5c 2381 }
7ee5d43e 2382 }
dea3101e 2383 error = pci_register_driver(&lpfc_driver);
92d7f7b0 2384 if (error) {
dea3101e 2385 fc_release_transport(lpfc_transport_template);
92d7f7b0
JS		 2386 fc_release_transport(lpfc_vport_transport_template);
2387 }
dea3101e 2388
2389 return error;
2390}
2391
2392static void __exit
2393lpfc_exit(void)
2394{
2395 pci_unregister_driver(&lpfc_driver);
2396 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 2397 if (lpfc_enable_npiv)
2398 fc_release_transport(lpfc_vport_transport_template);
dea3101e 2399}
2400
2401module_init(lpfc_init);
2402module_exit(lpfc_exit);
2403MODULE_LICENSE("GPL");
2404MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2405MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2406MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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