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[SCSI] lpfc 8.2.5 : Miscellaneous Fixes
[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. *
e47c9093 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e 20 *******************************************************************/
21
dea3101e 22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <linux/dma-mapping.h>
25#include <linux/idr.h>
26#include <linux/interrupt.h>
27#include <linux/kthread.h>
28#include <linux/pci.h>
29#include <linux/spinlock.h>
92d7f7b0 30#include <linux/ctype.h>
dea3101e 31
91886523 32#include <scsi/scsi.h>
dea3101e 33#include <scsi/scsi_device.h>
34#include <scsi/scsi_host.h>
35#include <scsi/scsi_transport_fc.h>
36
37#include "lpfc_hw.h"
38#include "lpfc_sli.h"
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{
1b32f6aa
JS		 464 struct lpfc_vport **vports;
465 int i;
dea3101e 466 /* Disable interrupts */
467 writel(0, phba->HCregaddr);
468 readl(phba->HCregaddr); /* flush */
469
1b32f6aa
JS		 470 if (phba->pport->load_flag & FC_UNLOADING)
471 lpfc_cleanup_discovery_resources(phba->pport);
472 else {
473 vports = lpfc_create_vport_work_array(phba);
474 if (vports != NULL)
475 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
476 lpfc_cleanup_discovery_resources(vports[i]);
477 lpfc_destroy_vport_work_array(phba, vports);
478 } return 0;
dea3101e 479}
480
41415862
JW		 481/************************************************************************/
482/* */
483/* lpfc_hba_down_post */
484/* This routine will do uninitialization after the HBA is reset */
485/* when bringing down the SLI Layer. */
486/* This routine returns 0 on success. Any other return value */
487/* indicates an error. */
488/* */
489/************************************************************************/
490int
2e0fef85 491lpfc_hba_down_post(struct lpfc_hba *phba)
41415862
JW		 492{
493 struct lpfc_sli *psli = &phba->sli;
494 struct lpfc_sli_ring *pring;
495 struct lpfc_dmabuf *mp, *next_mp;
09372820
JS		 496 struct lpfc_iocbq *iocb;
497 IOCB_t *cmd = NULL;
498 LIST_HEAD(completions);
41415862
JW		 499 int i;
500
92d7f7b0
JS		 501 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
502 lpfc_sli_hbqbuf_free_all(phba);
503 else {
504 /* Cleanup preposted buffers on the ELS ring */
505 pring = &psli->ring[LPFC_ELS_RING];
506 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
507 list_del(&mp->list);
508 pring->postbufq_cnt--;
509 lpfc_mbuf_free(phba, mp->virt, mp->phys);
510 kfree(mp);
511 }
41415862
JW		 512 }
513
09372820 514 spin_lock_irq(&phba->hbalock);
41415862
JW		 515 for (i = 0; i < psli->num_rings; i++) {
516 pring = &psli->ring[i];
09372820
JS		 517
518 /* At this point in time the HBA is either reset or DOA. Either
519 * way, nothing should be on txcmplq as it will NEVER complete.
520 */
521 list_splice_init(&pring->txcmplq, &completions);
522 pring->txcmplq_cnt = 0;
523 spin_unlock_irq(&phba->hbalock);
524
525 while (!list_empty(&completions)) {
526 iocb = list_get_first(&completions, struct lpfc_iocbq,
527 list);
528 cmd = &iocb->iocb;
529 list_del_init(&iocb->list);
530
531 if (!iocb->iocb_cmpl)
532 lpfc_sli_release_iocbq(phba, iocb);
533 else {
534 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
535 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
536 (iocb->iocb_cmpl) (phba, iocb, iocb);
537 }
538 }
539
41415862 540 lpfc_sli_abort_iocb_ring(phba, pring);
09372820 541 spin_lock_irq(&phba->hbalock);
41415862 542 }
09372820 543 spin_unlock_irq(&phba->hbalock);
41415862
JW		 544
545 return 0;
546}
547
858c9f6c 548/* HBA heart beat timeout handler */
a6ababd2 549static void
858c9f6c
JS		 550lpfc_hb_timeout(unsigned long ptr)
551{
552 struct lpfc_hba *phba;
553 unsigned long iflag;
554
555 phba = (struct lpfc_hba *)ptr;
556 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
557 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
558 phba->pport->work_port_events |= WORKER_HB_TMO;
559 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
560
561 if (phba->work_wait)
562 wake_up(phba->work_wait);
563 return;
564}
565
566static void
567lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
568{
569 unsigned long drvr_flag;
570
571 spin_lock_irqsave(&phba->hbalock, drvr_flag);
572 phba->hb_outstanding = 0;
573 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
574
575 mempool_free(pmboxq, phba->mbox_mem_pool);
576 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
577 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 578 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c
JS		 579 mod_timer(&phba->hb_tmofunc,
580 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
581 return;
582}
583
584void
585lpfc_hb_timeout_handler(struct lpfc_hba *phba)
586{
587 LPFC_MBOXQ_t *pmboxq;
0ff10d46 588 struct lpfc_dmabuf *buf_ptr;
858c9f6c
JS		 589 int retval;
590 struct lpfc_sli *psli = &phba->sli;
0ff10d46 591 LIST_HEAD(completions);
858c9f6c
JS		 592
593 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 594 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 595 (phba->pport->fc_flag & FC_OFFLINE_MODE))
596 return;
597
598 spin_lock_irq(&phba->pport->work_port_lock);
599 /* If the timer is already canceled do nothing */
600 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
601 spin_unlock_irq(&phba->pport->work_port_lock);
602 return;
603 }
604
605 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
606 jiffies)) {
607 spin_unlock_irq(&phba->pport->work_port_lock);
608 if (!phba->hb_outstanding)
609 mod_timer(&phba->hb_tmofunc,
610 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
611 else
612 mod_timer(&phba->hb_tmofunc,
613 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
614 return;
615 }
616 spin_unlock_irq(&phba->pport->work_port_lock);
617
0ff10d46
JS		 618 if (phba->elsbuf_cnt &&
619 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
620 spin_lock_irq(&phba->hbalock);
621 list_splice_init(&phba->elsbuf, &completions);
622 phba->elsbuf_cnt = 0;
623 phba->elsbuf_prev_cnt = 0;
624 spin_unlock_irq(&phba->hbalock);
625
626 while (!list_empty(&completions)) {
627 list_remove_head(&completions, buf_ptr,
628 struct lpfc_dmabuf, list);
629 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
630 kfree(buf_ptr);
631 }
632 }
633 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
634
858c9f6c 635 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 636 if (phba->cfg_enable_hba_heartbeat) {
637 if (!phba->hb_outstanding) {
638 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
639 if (!pmboxq) {
640 mod_timer(&phba->hb_tmofunc,
641 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
642 return;
643 }
858c9f6c 644
13815c83
JS		 645 lpfc_heart_beat(phba, pmboxq);
646 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
647 pmboxq->vport = phba->pport;
648 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
858c9f6c 649
13815c83
JS		 650 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
651 mempool_free(pmboxq, phba->mbox_mem_pool);
652 mod_timer(&phba->hb_tmofunc,
653 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
654 return;
655 }
858c9f6c 656 mod_timer(&phba->hb_tmofunc,
13815c83
JS		 657 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
658 phba->hb_outstanding = 1;
858c9f6c 659 return;
13815c83
JS		 660 } else {
661 /*
662 * If heart beat timeout called with hb_outstanding set
663 * we need to take the HBA offline.
664 */
665 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
666 "0459 Adapter heartbeat failure, "
667 "taking this port offline.\n");
668
669 spin_lock_irq(&phba->hbalock);
670 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
671 spin_unlock_irq(&phba->hbalock);
672
673 lpfc_offline_prep(phba);
674 lpfc_offline(phba);
675 lpfc_unblock_mgmt_io(phba);
676 phba->link_state = LPFC_HBA_ERROR;
677 lpfc_hba_down_post(phba);
858c9f6c 678 }
858c9f6c
JS		 679 }
680}
681
09372820
JS		 682static void
683lpfc_offline_eratt(struct lpfc_hba *phba)
684{
685 struct lpfc_sli *psli = &phba->sli;
686
687 spin_lock_irq(&phba->hbalock);
688 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
689 spin_unlock_irq(&phba->hbalock);
690 lpfc_offline_prep(phba);
691
692 lpfc_offline(phba);
693 lpfc_reset_barrier(phba);
694 lpfc_sli_brdreset(phba);
695 lpfc_hba_down_post(phba);
696 lpfc_sli_brdready(phba, HS_MBRDY);
697 lpfc_unblock_mgmt_io(phba);
698 phba->link_state = LPFC_HBA_ERROR;
699 return;
700}
701
dea3101e 702/************************************************************************/
703/* */
704/* lpfc_handle_eratt */
705/* This routine will handle processing a Host Attention */
706/* Error Status event. This will be initialized */
707/* as a SLI layer callback routine. */
708/* */
709/************************************************************************/
710void
2e0fef85 711lpfc_handle_eratt(struct lpfc_hba *phba)
dea3101e 712{
2e0fef85 713 struct lpfc_vport *vport = phba->pport;
2e0fef85 714 struct lpfc_sli *psli = &phba->sli;
dea3101e 715 struct lpfc_sli_ring *pring;
549e55cd 716 struct lpfc_vport **vports;
d2873e4c 717 uint32_t event_data;
57127f15
JS		 718 unsigned long temperature;
719 struct temp_event temp_event_data;
92d7f7b0 720 struct Scsi_Host *shost;
549e55cd 721 int i;
2e0fef85 722
8d63f375
LV		 723 /* If the pci channel is offline, ignore possible errors,
724 * since we cannot communicate with the pci card anyway. */
725 if (pci_channel_offline(phba->pcidev))
726 return;
13815c83
JS		 727 /* If resets are disabled then leave the HBA alone and return */
728 if (!phba->cfg_enable_hba_reset)
729 return;
dea3101e 730
f5603511
JS		 731 if (phba->work_hs & HS_FFER6 ||
732 phba->work_hs & HS_FFER5) {
dea3101e 733 /* Re-establishing Link */
734 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
e8b62011 735 "1301 Re-establishing Link "
dea3101e 736 "Data: x%x x%x x%x\n",
e8b62011 737 phba->work_hs,
dea3101e 738 phba->work_status[0], phba->work_status[1]);
549e55cd
JS		 739 vports = lpfc_create_vport_work_array(phba);
740 if (vports != NULL)
741 for(i = 0;
09372820 742 i <= phba->max_vpi && vports[i] != NULL;
549e55cd
JS		 743 i++){
744 shost = lpfc_shost_from_vport(vports[i]);
745 spin_lock_irq(shost->host_lock);
746 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
747 spin_unlock_irq(shost->host_lock);
748 }
09372820 749 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 750 spin_lock_irq(&phba->hbalock);
9290831f 751 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 752 spin_unlock_irq(&phba->hbalock);
dea3101e 753
754 /*
755 * Firmware stops when it triggled erratt with HS_FFER6.
756 * That could cause the I/Os dropped by the firmware.
757 * Error iocb (I/O) on txcmplq and let the SCSI layer
758 * retry it after re-establishing link.
759 */
760 pring = &psli->ring[psli->fcp_ring];
761 lpfc_sli_abort_iocb_ring(phba, pring);
762
763
764 /*
765 * There was a firmware error. Take the hba offline and then
766 * attempt to restart it.
767 */
46fa311e 768 lpfc_offline_prep(phba);
dea3101e 769 lpfc_offline(phba);
41415862 770 lpfc_sli_brdrestart(phba);
dea3101e 771 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
772 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
46fa311e 773 lpfc_unblock_mgmt_io(phba);
dea3101e 774 return;
775 }
46fa311e 776 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 777 } else if (phba->work_hs & HS_CRIT_TEMP) {
778 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
779 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
780 temp_event_data.event_code = LPFC_CRIT_TEMP;
781 temp_event_data.data = (uint32_t)temperature;
782
783 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
784 "0459 Adapter maximum temperature exceeded "
785 "(%ld), taking this port offline "
786 "Data: x%x x%x x%x\n",
787 temperature, phba->work_hs,
788 phba->work_status[0], phba->work_status[1]);
789
790 shost = lpfc_shost_from_vport(phba->pport);
791 fc_host_post_vendor_event(shost, fc_get_event_number(),
792 sizeof(temp_event_data),
793 (char *) &temp_event_data,
794 SCSI_NL_VID_TYPE_PCI
795 | PCI_VENDOR_ID_EMULEX);
796
7af67051 797 spin_lock_irq(&phba->hbalock);
7af67051
JS		 798 phba->over_temp_state = HBA_OVER_TEMP;
799 spin_unlock_irq(&phba->hbalock);
09372820 800 lpfc_offline_eratt(phba);
57127f15 801
dea3101e 802 } else {
803 /* The if clause above forces this code path when the status
804 * failure is a value other than FFER6. Do not call the offline
805 * twice. This is the adapter hardware error path.
806 */
807 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 808 "0457 Adapter Hardware Error "
dea3101e 809 "Data: x%x x%x x%x\n",
e8b62011 810 phba->work_hs,
dea3101e 811 phba->work_status[0], phba->work_status[1]);
812
d2873e4c 813 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 814 shost = lpfc_shost_from_vport(vport);
2e0fef85 815 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 816 sizeof(event_data), (char *) &event_data,
817 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
818
09372820 819 lpfc_offline_eratt(phba);
dea3101e 820 }
821}
822
823/************************************************************************/
824/* */
825/* lpfc_handle_latt */
826/* This routine will handle processing a Host Attention */
827/* Link Status event. This will be initialized */
828/* as a SLI layer callback routine. */
829/* */
830/************************************************************************/
831void
2e0fef85 832lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 833{
2e0fef85
JS		 834 struct lpfc_vport *vport = phba->pport;
835 struct lpfc_sli *psli = &phba->sli;
dea3101e 836 LPFC_MBOXQ_t *pmb;
837 volatile uint32_t control;
838 struct lpfc_dmabuf *mp;
09372820 839 int rc = 0;
dea3101e 840
841 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 842 if (!pmb) {
843 rc = 1;
dea3101e 844 goto lpfc_handle_latt_err_exit;
09372820 845 }
dea3101e 846
847 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 848 if (!mp) {
849 rc = 2;
dea3101e 850 goto lpfc_handle_latt_free_pmb;
09372820 851 }
dea3101e 852
853 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 854 if (!mp->virt) {
855 rc = 3;
dea3101e 856 goto lpfc_handle_latt_free_mp;
09372820 857 }
dea3101e 858
6281bfe0 859 /* Cleanup any outstanding ELS commands */
549e55cd 860 lpfc_els_flush_all_cmd(phba);
dea3101e 861
862 psli->slistat.link_event++;
863 lpfc_read_la(phba, pmb, mp);
864 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
2e0fef85 865 pmb->vport = vport;
0b727fea 866 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 867 if (rc == MBX_NOT_FINISHED) {
868 rc = 4;
14691150 869 goto lpfc_handle_latt_free_mbuf;
09372820 870 }
dea3101e 871
872 /* Clear Link Attention in HA REG */
2e0fef85 873 spin_lock_irq(&phba->hbalock);
dea3101e 874 writel(HA_LATT, phba->HAregaddr);
875 readl(phba->HAregaddr); /* flush */
2e0fef85 876 spin_unlock_irq(&phba->hbalock);
dea3101e 877
878 return;
879
14691150
JS		 880lpfc_handle_latt_free_mbuf:
881 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 882lpfc_handle_latt_free_mp:
883 kfree(mp);
884lpfc_handle_latt_free_pmb:
1dcb58e5 885 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 886lpfc_handle_latt_err_exit:
887 /* Enable Link attention interrupts */
2e0fef85 888 spin_lock_irq(&phba->hbalock);
dea3101e 889 psli->sli_flag |= LPFC_PROCESS_LA;
890 control = readl(phba->HCregaddr);
891 control |= HC_LAINT_ENA;
892 writel(control, phba->HCregaddr);
893 readl(phba->HCregaddr); /* flush */
894
895 /* Clear Link Attention in HA REG */
896 writel(HA_LATT, phba->HAregaddr);
897 readl(phba->HAregaddr); /* flush */
2e0fef85 898 spin_unlock_irq(&phba->hbalock);
dea3101e 899 lpfc_linkdown(phba);
2e0fef85 900 phba->link_state = LPFC_HBA_ERROR;
dea3101e 901
09372820
JS		 902 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
903 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 904
905 return;
906}
907
908/************************************************************************/
909/* */
910/* lpfc_parse_vpd */
911/* This routine will parse the VPD data */
912/* */
913/************************************************************************/
914static int
2e0fef85 915lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 916{
917 uint8_t lenlo, lenhi;
07da60c1 918 int Length;
dea3101e 919 int i, j;
920 int finished = 0;
921 int index = 0;
922
923 if (!vpd)
924 return 0;
925
926 /* Vital Product */
ed957684 927 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 928 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 929 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
930 (uint32_t) vpd[3]);
74b72a59 931 while (!finished && (index < (len - 4))) {
dea3101e 932 switch (vpd[index]) {
933 case 0x82:
74b72a59 934 case 0x91:
dea3101e 935 index += 1;
936 lenlo = vpd[index];
937 index += 1;
938 lenhi = vpd[index];
939 index += 1;
940 i = ((((unsigned short)lenhi) << 8) + lenlo);
941 index += i;
942 break;
943 case 0x90:
944 index += 1;
945 lenlo = vpd[index];
946 index += 1;
947 lenhi = vpd[index];
948 index += 1;
949 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 950 if (Length > len - index)
951 Length = len - index;
dea3101e 952 while (Length > 0) {
953 /* Look for Serial Number */
954 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
955 index += 2;
956 i = vpd[index];
957 index += 1;
958 j = 0;
959 Length -= (3+i);
960 while(i--) {
961 phba->SerialNumber[j++] = vpd[index++];
962 if (j == 31)
963 break;
964 }
965 phba->SerialNumber[j] = 0;
966 continue;
967 }
968 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
969 phba->vpd_flag |= VPD_MODEL_DESC;
970 index += 2;
971 i = vpd[index];
972 index += 1;
973 j = 0;
974 Length -= (3+i);
975 while(i--) {
976 phba->ModelDesc[j++] = vpd[index++];
977 if (j == 255)
978 break;
979 }
980 phba->ModelDesc[j] = 0;
981 continue;
982 }
983 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
984 phba->vpd_flag |= VPD_MODEL_NAME;
985 index += 2;
986 i = vpd[index];
987 index += 1;
988 j = 0;
989 Length -= (3+i);
990 while(i--) {
991 phba->ModelName[j++] = vpd[index++];
992 if (j == 79)
993 break;
994 }
995 phba->ModelName[j] = 0;
996 continue;
997 }
998 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
999 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1000 index += 2;
1001 i = vpd[index];
1002 index += 1;
1003 j = 0;
1004 Length -= (3+i);
1005 while(i--) {
1006 phba->ProgramType[j++] = vpd[index++];
1007 if (j == 255)
1008 break;
1009 }
1010 phba->ProgramType[j] = 0;
1011 continue;
1012 }
1013 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1014 phba->vpd_flag |= VPD_PORT;
1015 index += 2;
1016 i = vpd[index];
1017 index += 1;
1018 j = 0;
1019 Length -= (3+i);
1020 while(i--) {
1021 phba->Port[j++] = vpd[index++];
1022 if (j == 19)
1023 break;
1024 }
1025 phba->Port[j] = 0;
1026 continue;
1027 }
1028 else {
1029 index += 2;
1030 i = vpd[index];
1031 index += 1;
1032 index += i;
1033 Length -= (3 + i);
1034 }
1035 }
1036 finished = 0;
1037 break;
1038 case 0x78:
1039 finished = 1;
1040 break;
1041 default:
1042 index ++;
1043 break;
1044 }
74b72a59 1045 }
dea3101e 1046
1047 return(1);
1048}
1049
1050static void
2e0fef85 1051lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 1052{
1053 lpfc_vpd_t *vp;
fefcb2b6 1054 uint16_t dev_id = phba->pcidev->device;
74b72a59 1055 int max_speed;
74b72a59
JW		 1056 struct {
1057 char * name;
1058 int max_speed;
74b72a59 1059 char * bus;
18a3b596 1060 } m = {"<Unknown>", 0, ""};
74b72a59
JW		 1061
1062 if (mdp && mdp[0] != '\0'
1063 && descp && descp[0] != '\0')
1064 return;
1065
1066 if (phba->lmt & LMT_10Gb)
1067 max_speed = 10;
1068 else if (phba->lmt & LMT_8Gb)
1069 max_speed = 8;
1070 else if (phba->lmt & LMT_4Gb)
1071 max_speed = 4;
1072 else if (phba->lmt & LMT_2Gb)
1073 max_speed = 2;
1074 else
1075 max_speed = 1;
dea3101e 1076
1077 vp = &phba->vpd;
dea3101e 1078
e4adb204 1079 switch (dev_id) {
06325e74 1080 case PCI_DEVICE_ID_FIREFLY:
18a3b596 1081 m = (typeof(m)){"LP6000", max_speed, "PCI"};
06325e74 1082 break;
dea3101e 1083 case PCI_DEVICE_ID_SUPERFLY:
1084 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
18a3b596 1085 m = (typeof(m)){"LP7000", max_speed, "PCI"};
dea3101e 1086 else
18a3b596 1087 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
dea3101e 1088 break;
1089 case PCI_DEVICE_ID_DRAGONFLY:
18a3b596 1090 m = (typeof(m)){"LP8000", max_speed, "PCI"};
dea3101e 1091 break;
1092 case PCI_DEVICE_ID_CENTAUR:
1093 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
18a3b596 1094 m = (typeof(m)){"LP9002", max_speed, "PCI"};
dea3101e 1095 else
18a3b596 1096 m = (typeof(m)){"LP9000", max_speed, "PCI"};
dea3101e 1097 break;
1098 case PCI_DEVICE_ID_RFLY:
18a3b596 1099 m = (typeof(m)){"LP952", max_speed, "PCI"};
dea3101e 1100 break;
1101 case PCI_DEVICE_ID_PEGASUS:
18a3b596 1102 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
dea3101e 1103 break;
1104 case PCI_DEVICE_ID_THOR:
18a3b596 1105 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
dea3101e 1106 break;
1107 case PCI_DEVICE_ID_VIPER:
18a3b596 1108 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
dea3101e 1109 break;
1110 case PCI_DEVICE_ID_PFLY:
18a3b596 1111 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
dea3101e 1112 break;
1113 case PCI_DEVICE_ID_TFLY:
18a3b596 1114 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
dea3101e 1115 break;
1116 case PCI_DEVICE_ID_HELIOS:
18a3b596 1117 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
dea3101e 1118 break;
e4adb204 1119 case PCI_DEVICE_ID_HELIOS_SCSP:
18a3b596 1120 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1121 break;
1122 case PCI_DEVICE_ID_HELIOS_DCSP:
18a3b596 1123 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1124 break;
1125 case PCI_DEVICE_ID_NEPTUNE:
18a3b596 1126 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
e4adb204
JSEC		 1127 break;
1128 case PCI_DEVICE_ID_NEPTUNE_SCSP:
18a3b596 1129 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
e4adb204
JSEC		 1130 break;
1131 case PCI_DEVICE_ID_NEPTUNE_DCSP:
18a3b596 1132 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
e4adb204 1133 break;
dea3101e 1134 case PCI_DEVICE_ID_BMID:
18a3b596 1135 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
dea3101e 1136 break;
1137 case PCI_DEVICE_ID_BSMB:
18a3b596 1138 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
dea3101e 1139 break;
1140 case PCI_DEVICE_ID_ZEPHYR:
18a3b596 1141 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
dea3101e 1142 break;
e4adb204 1143 case PCI_DEVICE_ID_ZEPHYR_SCSP:
18a3b596 1144 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
e4adb204
JSEC		 1145 break;
1146 case PCI_DEVICE_ID_ZEPHYR_DCSP:
18a3b596 1147 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
e4adb204 1148 break;
dea3101e 1149 case PCI_DEVICE_ID_ZMID:
18a3b596 1150 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
dea3101e 1151 break;
1152 case PCI_DEVICE_ID_ZSMB:
18a3b596 1153 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
dea3101e 1154 break;
1155 case PCI_DEVICE_ID_LP101:
18a3b596 1156 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
dea3101e 1157 break;
1158 case PCI_DEVICE_ID_LP10000S:
18a3b596 1159 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
06325e74 1160 break;
e4adb204 1161 case PCI_DEVICE_ID_LP11000S:
18a3b596
JS		 1162 m = (typeof(m)){"LP11000-S", max_speed,
1163 "PCI-X2"};
1164 break;
e4adb204 1165 case PCI_DEVICE_ID_LPE11000S:
18a3b596
JS		 1166 m = (typeof(m)){"LPe11000-S", max_speed,
1167 "PCIe"};
5cc36b3c 1168 break;
b87eab38
JS		 1169 case PCI_DEVICE_ID_SAT:
1170 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1171 break;
1172 case PCI_DEVICE_ID_SAT_MID:
1173 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1174 break;
1175 case PCI_DEVICE_ID_SAT_SMB:
1176 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1177 break;
1178 case PCI_DEVICE_ID_SAT_DCSP:
1179 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1180 break;
1181 case PCI_DEVICE_ID_SAT_SCSP:
1182 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1183 break;
1184 case PCI_DEVICE_ID_SAT_S:
1185 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1186 break;
5cc36b3c 1187 default:
041976fb 1188 m = (typeof(m)){ NULL };
e4adb204 1189 break;
dea3101e 1190 }
74b72a59
JW		 1191
1192 if (mdp && mdp[0] == '\0')
1193 snprintf(mdp, 79,"%s", m.name);
1194 if (descp && descp[0] == '\0')
1195 snprintf(descp, 255,
18a3b596
JS		 1196 "Emulex %s %dGb %s Fibre Channel Adapter",
1197 m.name, m.max_speed, m.bus);
dea3101e 1198}
1199
1200/**************************************************/
1201/* lpfc_post_buffer */
1202/* */
1203/* This routine will post count buffers to the */
1204/* ring with the QUE_RING_BUF_CN command. This */
1205/* allows 3 buffers / command to be posted. */
1206/* Returns the number of buffers NOT posted. */
1207/**************************************************/
1208int
2e0fef85 1209lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
dea3101e 1210 int type)
1211{
1212 IOCB_t *icmd;
0bd4ca25 1213 struct lpfc_iocbq *iocb;
dea3101e 1214 struct lpfc_dmabuf *mp1, *mp2;
1215
1216 cnt += pring->missbufcnt;
1217
1218 /* While there are buffers to post */
1219 while (cnt > 0) {
1220 /* Allocate buffer for command iocb */
0bd4ca25 1221 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 1222 if (iocb == NULL) {
1223 pring->missbufcnt = cnt;
1224 return cnt;
1225 }
dea3101e 1226 icmd = &iocb->iocb;
1227
1228 /* 2 buffers can be posted per command */
1229 /* Allocate buffer to post */
1230 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1231 if (mp1)
98c9ea5c
JS		 1232 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1233 if (!mp1 || !mp1->virt) {
c9475cb0 1234 kfree(mp1);
604a3e30 1235 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1236 pring->missbufcnt = cnt;
1237 return cnt;
1238 }
1239
1240 INIT_LIST_HEAD(&mp1->list);
1241 /* Allocate buffer to post */
1242 if (cnt > 1) {
1243 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1244 if (mp2)
1245 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1246 &mp2->phys);
98c9ea5c 1247 if (!mp2 || !mp2->virt) {
c9475cb0 1248 kfree(mp2);
dea3101e 1249 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1250 kfree(mp1);
604a3e30 1251 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1252 pring->missbufcnt = cnt;
1253 return cnt;
1254 }
1255
1256 INIT_LIST_HEAD(&mp2->list);
1257 } else {
1258 mp2 = NULL;
1259 }
1260
1261 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1262 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1263 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1264 icmd->ulpBdeCount = 1;
1265 cnt--;
1266 if (mp2) {
1267 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1268 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1269 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1270 cnt--;
1271 icmd->ulpBdeCount = 2;
1272 }
1273
1274 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1275 icmd->ulpLe = 1;
1276
dea3101e 1277 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1278 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1279 kfree(mp1);
1280 cnt++;
1281 if (mp2) {
1282 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1283 kfree(mp2);
1284 cnt++;
1285 }
604a3e30 1286 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1287 pring->missbufcnt = cnt;
dea3101e 1288 return cnt;
1289 }
dea3101e 1290 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 1291 if (mp2)
dea3101e 1292 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 1293 }
1294 pring->missbufcnt = 0;
1295 return 0;
1296}
1297
1298/************************************************************************/
1299/* */
1300/* lpfc_post_rcv_buf */
1301/* This routine post initial rcv buffers to the configured rings */
1302/* */
1303/************************************************************************/
1304static int
2e0fef85 1305lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 1306{
1307 struct lpfc_sli *psli = &phba->sli;
1308
1309 /* Ring 0, ELS / CT buffers */
1310 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1311 /* Ring 2 - FCP no buffers needed */
1312
1313 return 0;
1314}
1315
1316#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1317
1318/************************************************************************/
1319/* */
1320/* lpfc_sha_init */
1321/* */
1322/************************************************************************/
1323static void
1324lpfc_sha_init(uint32_t * HashResultPointer)
1325{
1326 HashResultPointer[0] = 0x67452301;
1327 HashResultPointer[1] = 0xEFCDAB89;
1328 HashResultPointer[2] = 0x98BADCFE;
1329 HashResultPointer[3] = 0x10325476;
1330 HashResultPointer[4] = 0xC3D2E1F0;
1331}
1332
1333/************************************************************************/
1334/* */
1335/* lpfc_sha_iterate */
1336/* */
1337/************************************************************************/
1338static void
1339lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1340{
1341 int t;
1342 uint32_t TEMP;
1343 uint32_t A, B, C, D, E;
1344 t = 16;
1345 do {
1346 HashWorkingPointer[t] =
1347 S(1,
1348 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1349 8] ^
1350 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1351 } while (++t <= 79);
1352 t = 0;
1353 A = HashResultPointer[0];
1354 B = HashResultPointer[1];
1355 C = HashResultPointer[2];
1356 D = HashResultPointer[3];
1357 E = HashResultPointer[4];
1358
1359 do {
1360 if (t < 20) {
1361 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1362 } else if (t < 40) {
1363 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1364 } else if (t < 60) {
1365 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1366 } else {
1367 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1368 }
1369 TEMP += S(5, A) + E + HashWorkingPointer[t];
1370 E = D;
1371 D = C;
1372 C = S(30, B);
1373 B = A;
1374 A = TEMP;
1375 } while (++t <= 79);
1376
1377 HashResultPointer[0] += A;
1378 HashResultPointer[1] += B;
1379 HashResultPointer[2] += C;
1380 HashResultPointer[3] += D;
1381 HashResultPointer[4] += E;
1382
1383}
1384
1385/************************************************************************/
1386/* */
1387/* lpfc_challenge_key */
1388/* */
1389/************************************************************************/
1390static void
1391lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1392{
1393 *HashWorking = (*RandomChallenge ^ *HashWorking);
1394}
1395
1396/************************************************************************/
1397/* */
1398/* lpfc_hba_init */
1399/* */
1400/************************************************************************/
1401void
1402lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1403{
1404 int t;
1405 uint32_t *HashWorking;
2e0fef85 1406 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 1407
bbfbbbc1 1408 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 1409 if (!HashWorking)
1410 return;
1411
dea3101e 1412 HashWorking[0] = HashWorking[78] = *pwwnn++;
1413 HashWorking[1] = HashWorking[79] = *pwwnn;
1414
1415 for (t = 0; t < 7; t++)
1416 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1417
1418 lpfc_sha_init(hbainit);
1419 lpfc_sha_iterate(hbainit, HashWorking);
1420 kfree(HashWorking);
1421}
1422
87af33fe 1423void
2e0fef85 1424lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 1425{
87af33fe 1426 struct lpfc_hba *phba = vport->phba;
dea3101e 1427 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 1428 int i = 0;
dea3101e 1429
87af33fe
JS		 1430 if (phba->link_state > LPFC_LINK_DOWN)
1431 lpfc_port_link_failure(vport);
1432
1433 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 1434 if (!NLP_CHK_NODE_ACT(ndlp)) {
1435 ndlp = lpfc_enable_node(vport, ndlp,
1436 NLP_STE_UNUSED_NODE);
1437 if (!ndlp)
1438 continue;
1439 spin_lock_irq(&phba->ndlp_lock);
1440 NLP_SET_FREE_REQ(ndlp);
1441 spin_unlock_irq(&phba->ndlp_lock);
1442 /* Trigger the release of the ndlp memory */
1443 lpfc_nlp_put(ndlp);
1444 continue;
1445 }
1446 spin_lock_irq(&phba->ndlp_lock);
1447 if (NLP_CHK_FREE_REQ(ndlp)) {
1448 /* The ndlp should not be in memory free mode already */
1449 spin_unlock_irq(&phba->ndlp_lock);
1450 continue;
1451 } else
1452 /* Indicate request for freeing ndlp memory */
1453 NLP_SET_FREE_REQ(ndlp);
1454 spin_unlock_irq(&phba->ndlp_lock);
1455
87af33fe
JS		 1456 if (ndlp->nlp_type & NLP_FABRIC)
1457 lpfc_disc_state_machine(vport, ndlp, NULL,
1458 NLP_EVT_DEVICE_RECOVERY);
e47c9093 1459
87af33fe
JS		 1460 lpfc_disc_state_machine(vport, ndlp, NULL,
1461 NLP_EVT_DEVICE_RM);
1462 }
1463
a8adb832
JS		 1464 /* At this point, ALL ndlp's should be gone
1465 * because of the previous NLP_EVT_DEVICE_RM.
1466 * Lets wait for this to happen, if needed.
1467 */
87af33fe
JS		 1468 while (!list_empty(&vport->fc_nodes)) {
1469
a8adb832 1470 if (i++ > 3000) {
87af33fe 1471 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 1472 "0233 Nodelist not empty\n");
e47c9093
JS		 1473 list_for_each_entry_safe(ndlp, next_ndlp,
1474 &vport->fc_nodes, nlp_listp) {
1475 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
1476 LOG_NODE,
1477 "0282: did:x%x ndlp:x%p "
1478 "usgmap:x%x refcnt:%d\n",
1479 ndlp->nlp_DID, (void *)ndlp,
1480 ndlp->nlp_usg_map,
1481 atomic_read(
1482 &ndlp->kref.refcount));
1483 }
a8adb832 1484 break;
87af33fe 1485 }
a8adb832
JS		 1486
1487 /* Wait for any activity on ndlps to settle */
1488 msleep(10);
87af33fe 1489 }
dea3101e 1490 return;
1491}
1492
1493static void
1494lpfc_establish_link_tmo(unsigned long ptr)
1495{
92d7f7b0 1496 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
549e55cd 1497 struct lpfc_vport **vports;
dea3101e 1498 unsigned long iflag;
549e55cd 1499 int i;
dea3101e 1500
dea3101e 1501 /* Re-establishing Link, timer expired */
1502 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
e8b62011 1503 "1300 Re-establishing Link, timer expired "
dea3101e 1504 "Data: x%x x%x\n",
e8b62011 1505 phba->pport->fc_flag, phba->pport->port_state);
549e55cd
JS		 1506 vports = lpfc_create_vport_work_array(phba);
1507 if (vports != NULL)
09372820 1508 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
549e55cd
JS		 1509 struct Scsi_Host *shost;
1510 shost = lpfc_shost_from_vport(vports[i]);
1511 spin_lock_irqsave(shost->host_lock, iflag);
1512 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1513 spin_unlock_irqrestore(shost->host_lock, iflag);
1514 }
09372820 1515 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 1516}
1517
92d7f7b0
JS		 1518void
1519lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 1520{
92d7f7b0
JS		 1521 del_timer_sync(&vport->els_tmofunc);
1522 del_timer_sync(&vport->fc_fdmitmo);
1523 lpfc_can_disctmo(vport);
1524 return;
dea3101e 1525}
1526
2e0fef85 1527static void
92d7f7b0 1528lpfc_stop_phba_timers(struct lpfc_hba *phba)
dea3101e 1529{
875fbdfe 1530 del_timer_sync(&phba->fcp_poll_timer);
dea3101e 1531 del_timer_sync(&phba->fc_estabtmo);
51ef4c26 1532 lpfc_stop_vport_timers(phba->pport);
2e0fef85 1533 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 1534 del_timer_sync(&phba->fabric_block_timer);
858c9f6c
JS		 1535 phba->hb_outstanding = 0;
1536 del_timer_sync(&phba->hb_tmofunc);
2e0fef85 1537 return;
dea3101e 1538}
1539
a6ababd2
AB		 1540static void
1541lpfc_block_mgmt_io(struct lpfc_hba * phba)
1542{
1543 unsigned long iflag;
1544
1545 spin_lock_irqsave(&phba->hbalock, iflag);
1546 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1547 spin_unlock_irqrestore(&phba->hbalock, iflag);
1548}
1549
dea3101e 1550int
2e0fef85 1551lpfc_online(struct lpfc_hba *phba)
dea3101e 1552{
2e0fef85 1553 struct lpfc_vport *vport = phba->pport;
549e55cd
JS		 1554 struct lpfc_vport **vports;
1555 int i;
2e0fef85 1556
dea3101e 1557 if (!phba)
1558 return 0;
1559
2e0fef85 1560 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 1561 return 0;
1562
ed957684 1563 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1564 "0458 Bring Adapter online\n");
dea3101e 1565
46fa311e
JS		 1566 lpfc_block_mgmt_io(phba);
1567
1568 if (!lpfc_sli_queue_setup(phba)) {
1569 lpfc_unblock_mgmt_io(phba);
dea3101e 1570 return 1;
46fa311e 1571 }
dea3101e 1572
46fa311e
JS		 1573 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1574 lpfc_unblock_mgmt_io(phba);
dea3101e 1575 return 1;
46fa311e 1576 }
dea3101e 1577
549e55cd
JS		 1578 vports = lpfc_create_vport_work_array(phba);
1579 if (vports != NULL)
09372820 1580 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
549e55cd
JS		 1581 struct Scsi_Host *shost;
1582 shost = lpfc_shost_from_vport(vports[i]);
1583 spin_lock_irq(shost->host_lock);
1584 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1585 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1586 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1587 spin_unlock_irq(shost->host_lock);
1588 }
09372820 1589 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 1590
46fa311e 1591 lpfc_unblock_mgmt_io(phba);
dea3101e 1592 return 0;
1593}
1594
46fa311e
JS		 1595void
1596lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1597{
1598 unsigned long iflag;
1599
2e0fef85
JS		 1600 spin_lock_irqsave(&phba->hbalock, iflag);
1601 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1602 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1603}
1604
1605void
1606lpfc_offline_prep(struct lpfc_hba * phba)
1607{
2e0fef85 1608 struct lpfc_vport *vport = phba->pport;
46fa311e 1609 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe
JS		 1610 struct lpfc_vport **vports;
1611 int i;
dea3101e 1612
2e0fef85 1613 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1614 return;
dea3101e 1615
46fa311e 1616 lpfc_block_mgmt_io(phba);
dea3101e 1617
1618 lpfc_linkdown(phba);
1619
87af33fe
JS		 1620 /* Issue an unreg_login to all nodes on all vports */
1621 vports = lpfc_create_vport_work_array(phba);
1622 if (vports != NULL) {
09372820 1623 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
87af33fe
JS		 1624 struct Scsi_Host *shost;
1625
a8adb832
JS		 1626 if (vports[i]->load_flag & FC_UNLOADING)
1627 continue;
87af33fe
JS		 1628 shost = lpfc_shost_from_vport(vports[i]);
1629 list_for_each_entry_safe(ndlp, next_ndlp,
1630 &vports[i]->fc_nodes,
1631 nlp_listp) {
e47c9093
JS		 1632 if (!NLP_CHK_NODE_ACT(ndlp))
1633 continue;
87af33fe
JS		 1634 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1635 continue;
1636 if (ndlp->nlp_type & NLP_FABRIC) {
1637 lpfc_disc_state_machine(vports[i], ndlp,
1638 NULL, NLP_EVT_DEVICE_RECOVERY);
1639 lpfc_disc_state_machine(vports[i], ndlp,
1640 NULL, NLP_EVT_DEVICE_RM);
1641 }
1642 spin_lock_irq(shost->host_lock);
1643 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1644 spin_unlock_irq(shost->host_lock);
1645 lpfc_unreg_rpi(vports[i], ndlp);
1646 }
1647 }
1648 }
09372820 1649 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 1650
46fa311e
JS		 1651 lpfc_sli_flush_mbox_queue(phba);
1652}
1653
1654void
2e0fef85 1655lpfc_offline(struct lpfc_hba *phba)
46fa311e 1656{
549e55cd
JS		 1657 struct Scsi_Host *shost;
1658 struct lpfc_vport **vports;
1659 int i;
46fa311e 1660
549e55cd 1661 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1662 return;
688a8863 1663
dea3101e 1664 /* stop all timers associated with this hba */
92d7f7b0 1665 lpfc_stop_phba_timers(phba);
51ef4c26
JS		 1666 vports = lpfc_create_vport_work_array(phba);
1667 if (vports != NULL)
09372820 1668 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
51ef4c26 1669 lpfc_stop_vport_timers(vports[i]);
09372820 1670 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 1671 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1672 "0460 Bring Adapter offline\n");
dea3101e 1673 /* Bring down the SLI Layer and cleanup. The HBA is offline
1674 now. */
1675 lpfc_sli_hba_down(phba);
92d7f7b0 1676 spin_lock_irq(&phba->hbalock);
7054a606 1677 phba->work_ha = 0;
92d7f7b0 1678 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 1679 vports = lpfc_create_vport_work_array(phba);
1680 if (vports != NULL)
09372820 1681 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
549e55cd 1682 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 1683 spin_lock_irq(shost->host_lock);
1684 vports[i]->work_port_events = 0;
1685 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1686 spin_unlock_irq(shost->host_lock);
1687 }
09372820 1688 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 1689}
1690
1691/******************************************************************************
1692* Function name: lpfc_scsi_free
1693*
1694* Description: Called from lpfc_pci_remove_one free internal driver resources
1695*
1696******************************************************************************/
1697static int
2e0fef85 1698lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 1699{
1700 struct lpfc_scsi_buf *sb, *sb_next;
1701 struct lpfc_iocbq *io, *io_next;
1702
2e0fef85 1703 spin_lock_irq(&phba->hbalock);
dea3101e 1704 /* Release all the lpfc_scsi_bufs maintained by this host. */
1705 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1706 list_del(&sb->list);
1707 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 1708 sb->dma_handle);
dea3101e 1709 kfree(sb);
1710 phba->total_scsi_bufs--;
1711 }
1712
1713 /* Release all the lpfc_iocbq entries maintained by this host. */
1714 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1715 list_del(&io->list);
1716 kfree(io);
1717 phba->total_iocbq_bufs--;
1718 }
1719
2e0fef85 1720 spin_unlock_irq(&phba->hbalock);
dea3101e 1721
1722 return 0;
1723}
1724
2e0fef85 1725struct lpfc_vport *
3de2a653 1726lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 1727{
2e0fef85
JS		 1728 struct lpfc_vport *vport;
1729 struct Scsi_Host *shost;
1730 int error = 0;
47a8617c 1731
3de2a653
JS		 1732 if (dev != &phba->pcidev->dev)
1733 shost = scsi_host_alloc(&lpfc_vport_template,
1734 sizeof(struct lpfc_vport));
1735 else
1736 shost = scsi_host_alloc(&lpfc_template,
1737 sizeof(struct lpfc_vport));
2e0fef85
JS		 1738 if (!shost)
1739 goto out;
47a8617c 1740
2e0fef85
JS		 1741 vport = (struct lpfc_vport *) shost->hostdata;
1742 vport->phba = phba;
47a8617c 1743
2e0fef85 1744 vport->load_flag |= FC_LOADING;
92d7f7b0 1745 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
47a8617c 1746
3de2a653 1747 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 1748 shost->unique_id = instance;
1749 shost->max_id = LPFC_MAX_TARGET;
3de2a653 1750 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 1751 shost->this_id = -1;
1752 shost->max_cmd_len = 16;
47a8617c 1753 /*
2e0fef85
JS		 1754 * Set initial can_queue value since 0 is no longer supported and
1755 * scsi_add_host will fail. This will be adjusted later based on the
1756 * max xri value determined in hba setup.
47a8617c 1757 */
2e0fef85 1758 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 1759 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 1760 shost->transportt = lpfc_vport_transport_template;
1761 vport->port_type = LPFC_NPIV_PORT;
1762 } else {
1763 shost->transportt = lpfc_transport_template;
1764 vport->port_type = LPFC_PHYSICAL_PORT;
1765 }
47a8617c 1766
2e0fef85
JS		 1767 /* Initialize all internally managed lists. */
1768 INIT_LIST_HEAD(&vport->fc_nodes);
1769 spin_lock_init(&vport->work_port_lock);
47a8617c 1770
2e0fef85
JS		 1771 init_timer(&vport->fc_disctmo);
1772 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 1773 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 1774
2e0fef85
JS		 1775 init_timer(&vport->fc_fdmitmo);
1776 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 1777 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 1778
2e0fef85
JS		 1779 init_timer(&vport->els_tmofunc);
1780 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 1781 vport->els_tmofunc.data = (unsigned long)vport;
47a8617c 1782
3de2a653 1783 error = scsi_add_host(shost, dev);
2e0fef85
JS		 1784 if (error)
1785 goto out_put_shost;
47a8617c 1786
549e55cd 1787 spin_lock_irq(&phba->hbalock);
2e0fef85 1788 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 1789 spin_unlock_irq(&phba->hbalock);
2e0fef85 1790 return vport;
47a8617c 1791
2e0fef85
JS		 1792out_put_shost:
1793 scsi_host_put(shost);
1794out:
1795 return NULL;
47a8617c
JS		 1796}
1797
2e0fef85
JS		 1798void
1799destroy_port(struct lpfc_vport *vport)
47a8617c 1800{
92d7f7b0
JS		 1801 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1802 struct lpfc_hba *phba = vport->phba;
47a8617c 1803
92d7f7b0 1804 kfree(vport->vname);
47a8617c 1805
858c9f6c 1806 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 1807 fc_remove_host(shost);
1808 scsi_remove_host(shost);
47a8617c 1809
92d7f7b0
JS		 1810 spin_lock_irq(&phba->hbalock);
1811 list_del_init(&vport->listentry);
1812 spin_unlock_irq(&phba->hbalock);
47a8617c 1813
92d7f7b0 1814 lpfc_cleanup(vport);
47a8617c 1815 return;
47a8617c
JS		 1816}
1817
92d7f7b0
JS		 1818int
1819lpfc_get_instance(void)
1820{
1821 int instance = 0;
47a8617c 1822
92d7f7b0
JS		 1823 /* Assign an unused number */
1824 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1825 return -1;
1826 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1827 return -1;
1828 return instance;
47a8617c
JS		 1829}
1830
858c9f6c
JS		 1831/*
1832 * Note: there is no scan_start function as adapter initialization
1833 * will have asynchronously kicked off the link initialization.
1834 */
47a8617c
JS		 1835
1836int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1837{
2e0fef85
JS		 1838 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1839 struct lpfc_hba *phba = vport->phba;
858c9f6c 1840 int stat = 0;
47a8617c 1841
858c9f6c
JS		 1842 spin_lock_irq(shost->host_lock);
1843
51ef4c26 1844 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 1845 stat = 1;
1846 goto finished;
1847 }
2e0fef85
JS		 1848 if (time >= 30 * HZ) {
1849 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1850 "0461 Scanning longer than 30 "
1851 "seconds. Continuing initialization\n");
858c9f6c 1852 stat = 1;
47a8617c 1853 goto finished;
2e0fef85
JS		 1854 }
1855 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1856 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1857 "0465 Link down longer than 15 "
1858 "seconds. Continuing initialization\n");
858c9f6c 1859 stat = 1;
47a8617c 1860 goto finished;
2e0fef85 1861 }
47a8617c 1862
2e0fef85 1863 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 1864 goto finished;
2e0fef85 1865 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 1866 goto finished;
2e0fef85 1867 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 1868 goto finished;
2e0fef85 1869 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 1870 goto finished;
1871
1872 stat = 1;
47a8617c
JS		 1873
1874finished:
858c9f6c
JS		 1875 spin_unlock_irq(shost->host_lock);
1876 return stat;
92d7f7b0 1877}
47a8617c 1878
92d7f7b0
JS		 1879void lpfc_host_attrib_init(struct Scsi_Host *shost)
1880{
1881 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1882 struct lpfc_hba *phba = vport->phba;
47a8617c 1883 /*
2e0fef85 1884 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 1885 */
1886
2e0fef85
JS		 1887 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1888 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 1889 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1890
1891 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 1892 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 1893 fc_host_supported_fc4s(shost)[2] = 1;
1894 fc_host_supported_fc4s(shost)[7] = 1;
1895
92d7f7b0
JS		 1896 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1897 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 1898
1899 fc_host_supported_speeds(shost) = 0;
1900 if (phba->lmt & LMT_10Gb)
1901 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 1902 if (phba->lmt & LMT_8Gb)
1903 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 1904 if (phba->lmt & LMT_4Gb)
1905 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1906 if (phba->lmt & LMT_2Gb)
1907 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1908 if (phba->lmt & LMT_1Gb)
1909 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1910
1911 fc_host_maxframe_size(shost) =
2e0fef85
JS		 1912 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1913 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c
JS		 1914
1915 /* This value is also unchanging */
1916 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 1917 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 1918 fc_host_active_fc4s(shost)[2] = 1;
1919 fc_host_active_fc4s(shost)[7] = 1;
1920
92d7f7b0 1921 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 1922 spin_lock_irq(shost->host_lock);
51ef4c26 1923 vport->load_flag &= ~FC_LOADING;
47a8617c 1924 spin_unlock_irq(shost->host_lock);
47a8617c 1925}
dea3101e 1926
1927static int __devinit
1928lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1929{
2e0fef85
JS		 1930 struct lpfc_vport *vport = NULL;
1931 struct lpfc_hba *phba;
1932 struct lpfc_sli *psli;
dea3101e 1933 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
2e0fef85 1934 struct Scsi_Host *shost = NULL;
51ef4c26 1935 void *ptr;
dea3101e 1936 unsigned long bar0map_len, bar2map_len;
98c9ea5c 1937 int error = -ENODEV, retval;
51ef4c26 1938 int i, hbq_count;
604a3e30 1939 uint16_t iotag;
8a4df120 1940 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
dea3101e 1941
d5f78fb0 1942 if (pci_enable_device_mem(pdev))
dea3101e 1943 goto out;
8a4df120 1944 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
dea3101e 1945 goto out_disable_device;
1946
2e0fef85
JS		 1947 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1948 if (!phba)
dea3101e 1949 goto out_release_regions;
1950
2e0fef85 1951 spin_lock_init(&phba->hbalock);
dea3101e 1952
e47c9093
JS		 1953 /* Initialize ndlp management spinlock */
1954 spin_lock_init(&phba->ndlp_lock);
1955
dea3101e 1956 phba->pcidev = pdev;
1957
1958 /* Assign an unused board number */
92d7f7b0 1959 if ((phba->brd_no = lpfc_get_instance()) < 0)
2e0fef85 1960 goto out_free_phba;
dea3101e 1961
2e0fef85 1962 INIT_LIST_HEAD(&phba->port_list);
2e0fef85
JS		 1963 /*
1964 * Get all the module params for configuring this host and then
1965 * establish the host.
1966 */
1967 lpfc_get_cfgparam(phba);
92d7f7b0 1968 phba->max_vpi = LPFC_MAX_VPI;
dea3101e 1969
1970 /* Initialize timers used by driver */
1971 init_timer(&phba->fc_estabtmo);
1972 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1973 phba->fc_estabtmo.data = (unsigned long)phba;
858c9f6c
JS		 1974
1975 init_timer(&phba->hb_tmofunc);
1976 phba->hb_tmofunc.function = lpfc_hb_timeout;
1977 phba->hb_tmofunc.data = (unsigned long)phba;
1978
dea3101e 1979 psli = &phba->sli;
1980 init_timer(&psli->mbox_tmo);
1981 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 1982 psli->mbox_tmo.data = (unsigned long) phba;
875fbdfe
JSEC		 1983 init_timer(&phba->fcp_poll_timer);
1984 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 1985 phba->fcp_poll_timer.data = (unsigned long) phba;
92d7f7b0
JS		 1986 init_timer(&phba->fabric_block_timer);
1987 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1988 phba->fabric_block_timer.data = (unsigned long) phba;
dea3101e 1989
dea3101e 1990 pci_set_master(pdev);
694625c0 1991 pci_try_set_mwi(pdev);
dea3101e 1992
1993 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1994 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1995 goto out_idr_remove;
1996
1997 /*
1998 * Get the bus address of Bar0 and Bar2 and the number of bytes
1999 * required by each mapping.
2000 */
2001 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
2002 bar0map_len = pci_resource_len(phba->pcidev, 0);
2003
2004 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
2005 bar2map_len = pci_resource_len(phba->pcidev, 2);
2006
901a920f 2007 /* Map HBA SLIM to a kernel virtual address. */
dea3101e 2008 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
901a920f
JW		 2009 if (!phba->slim_memmap_p) {
2010 error = -ENODEV;
2011 dev_printk(KERN_ERR, &pdev->dev,
2012 "ioremap failed for SLIM memory.\n");
2013 goto out_idr_remove;
2014 }
2015
2016 /* Map HBA Control Registers to a kernel virtual address. */
dea3101e 2017 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
901a920f
JW		 2018 if (!phba->ctrl_regs_memmap_p) {
2019 error = -ENODEV;
2020 dev_printk(KERN_ERR, &pdev->dev,
2021 "ioremap failed for HBA control registers.\n");
2022 goto out_iounmap_slim;
2023 }
dea3101e 2024
2025 /* Allocate memory for SLI-2 structures */
2026 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
2027 &phba->slim2p_mapping, GFP_KERNEL);
2028 if (!phba->slim2p)
2029 goto out_iounmap;
2030
f91b392c 2031 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
dea3101e 2032
ed957684
JS		 2033 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
2034 lpfc_sli_hbq_size(),
2035 &phba->hbqslimp.phys,
2036 GFP_KERNEL);
2037 if (!phba->hbqslimp.virt)
2038 goto out_free_slim;
2039
51ef4c26
JS		 2040 hbq_count = lpfc_sli_hbq_count();
2041 ptr = phba->hbqslimp.virt;
2042 for (i = 0; i < hbq_count; ++i) {
2043 phba->hbqs[i].hbq_virt = ptr;
2044 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
2045 ptr += (lpfc_hbq_defs[i]->entry_count *
2046 sizeof(struct lpfc_hbq_entry));
2047 }
2048 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
2049 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
2050
ed957684
JS		 2051 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2052
dea3101e 2053 /* Initialize the SLI Layer to run with lpfc HBAs. */
2054 lpfc_sli_setup(phba);
2055 lpfc_sli_queue_setup(phba);
2056
98c9ea5c
JS		 2057 retval = lpfc_mem_alloc(phba);
2058 if (retval) {
2059 error = retval;
ed957684 2060 goto out_free_hbqslimp;
98c9ea5c 2061 }
dea3101e 2062
2063 /* Initialize and populate the iocb list per host. */
2064 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
2065 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
dd00cc48 2066 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 2067 if (iocbq_entry == NULL) {
2068 printk(KERN_ERR "%s: only allocated %d iocbs of "
2069 "expected %d count. Unloading driver.\n",
2070 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
2071 error = -ENOMEM;
2072 goto out_free_iocbq;
2073 }
2074
604a3e30
JB		 2075 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
2076 if (iotag == 0) {
2077 kfree (iocbq_entry);
2078 printk(KERN_ERR "%s: failed to allocate IOTAG. "
2079 "Unloading driver.\n",
2080 __FUNCTION__);
2081 error = -ENOMEM;
2082 goto out_free_iocbq;
2083 }
2e0fef85
JS		 2084
2085 spin_lock_irq(&phba->hbalock);
dea3101e 2086 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
2087 phba->total_iocbq_bufs++;
2e0fef85 2088 spin_unlock_irq(&phba->hbalock);
dea3101e 2089 }
2090
2091 /* Initialize HBA structure */
2092 phba->fc_edtov = FF_DEF_EDTOV;
2093 phba->fc_ratov = FF_DEF_RATOV;
2094 phba->fc_altov = FF_DEF_ALTOV;
2095 phba->fc_arbtov = FF_DEF_ARBTOV;
2096
2097 INIT_LIST_HEAD(&phba->work_list);
2098 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2099 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2100
2101 /* Startup the kernel thread for this host adapter. */
2102 phba->worker_thread = kthread_run(lpfc_do_work, phba,
2103 "lpfc_worker_%d", phba->brd_no);
2104 if (IS_ERR(phba->worker_thread)) {
2105 error = PTR_ERR(phba->worker_thread);
2106 goto out_free_iocbq;
2107 }
2108
dea3101e 2109 /* Initialize the list of scsi buffers used by driver for scsi IO. */
875fbdfe 2110 spin_lock_init(&phba->scsi_buf_list_lock);
dea3101e 2111 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2112
92d7f7b0
JS		 2113 /* Initialize list of fabric iocbs */
2114 INIT_LIST_HEAD(&phba->fabric_iocb_list);
2115
0ff10d46
JS		 2116 /* Initialize list to save ELS buffers */
2117 INIT_LIST_HEAD(&phba->elsbuf);
2118
3de2a653 2119 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2e0fef85
JS		 2120 if (!vport)
2121 goto out_kthread_stop;
2122
2123 shost = lpfc_shost_from_vport(vport);
2e0fef85 2124 phba->pport = vport;
858c9f6c 2125 lpfc_debugfs_initialize(vport);
2e0fef85 2126
92d7f7b0 2127 pci_set_drvdata(pdev, shost);
dea3101e 2128
4ff43246 2129 if (phba->cfg_use_msi) {
98c9ea5c
JS		 2130 retval = pci_enable_msi(phba->pcidev);
2131 if (!retval)
51ef4c26
JS		 2132 phba->using_msi = 1;
2133 else
e8b62011
JS		 2134 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2135 "0452 Enable MSI failed, continuing "
2136 "with IRQ\n");
4ff43246
JS		 2137 }
2138
98c9ea5c 2139 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2e0fef85 2140 LPFC_DRIVER_NAME, phba);
98c9ea5c 2141 if (retval) {
dea3101e 2142 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 2143 "0451 Enable interrupt handler failed\n");
98c9ea5c 2144 error = retval;
92d7f7b0 2145 goto out_disable_msi;
dea3101e 2146 }
dea3101e 2147
2e0fef85
JS		 2148 phba->MBslimaddr = phba->slim_memmap_p;
2149 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2150 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2151 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2152 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2153
98c9ea5c
JS		 2154 if (lpfc_alloc_sysfs_attr(vport)) {
2155 error = -ENOMEM;
dea3101e 2156 goto out_free_irq;
98c9ea5c 2157 }
875fbdfe 2158
98c9ea5c
JS		 2159 if (lpfc_sli_hba_setup(phba)) {
2160 error = -ENODEV;
858c9f6c 2161 goto out_remove_device;
98c9ea5c 2162 }
858c9f6c
JS		 2163
2164 /*
2165 * hba setup may have changed the hba_queue_depth so we need to adjust
2166 * the value of can_queue.
2167 */
2168 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2169
2170 lpfc_host_attrib_init(shost);
2171
2e0fef85
JS		 2172 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2173 spin_lock_irq(shost->host_lock);
2174 lpfc_poll_start_timer(phba);
2175 spin_unlock_irq(shost->host_lock);
2176 }
dea3101e 2177
858c9f6c 2178 scsi_scan_host(shost);
dea3101e 2179
dea3101e 2180 return 0;
2181
858c9f6c
JS		 2182out_remove_device:
2183 lpfc_free_sysfs_attr(vport);
2184 spin_lock_irq(shost->host_lock);
51ef4c26 2185 vport->load_flag |= FC_UNLOADING;
858c9f6c 2186 spin_unlock_irq(shost->host_lock);
dea3101e 2187out_free_irq:
92d7f7b0 2188 lpfc_stop_phba_timers(phba);
2e0fef85 2189 phba->pport->work_port_events = 0;
dea3101e 2190 free_irq(phba->pcidev->irq, phba);
92d7f7b0 2191out_disable_msi:
51ef4c26
JS		 2192 if (phba->using_msi)
2193 pci_disable_msi(phba->pcidev);
2e0fef85 2194 destroy_port(vport);
dea3101e 2195out_kthread_stop:
2196 kthread_stop(phba->worker_thread);
2197out_free_iocbq:
2198 list_for_each_entry_safe(iocbq_entry, iocbq_next,
2199 &phba->lpfc_iocb_list, list) {
dea3101e 2200 kfree(iocbq_entry);
2201 phba->total_iocbq_bufs--;
dea3101e 2202 }
2203 lpfc_mem_free(phba);
ed957684
JS		 2204out_free_hbqslimp:
2205 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2206 phba->hbqslimp.phys);
dea3101e 2207out_free_slim:
2208 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2209 phba->slim2p_mapping);
2210out_iounmap:
2211 iounmap(phba->ctrl_regs_memmap_p);
901a920f 2212out_iounmap_slim:
dea3101e 2213 iounmap(phba->slim_memmap_p);
2214out_idr_remove:
2215 idr_remove(&lpfc_hba_index, phba->brd_no);
2e0fef85
JS		 2216out_free_phba:
2217 kfree(phba);
dea3101e 2218out_release_regions:
8a4df120 2219 pci_release_selected_regions(pdev, bars);
dea3101e 2220out_disable_device:
2221 pci_disable_device(pdev);
2222out:
defbcf11 2223 pci_set_drvdata(pdev, NULL);
858c9f6c
JS		 2224 if (shost)
2225 scsi_host_put(shost);
dea3101e 2226 return error;
2227}
2228
2229static void __devexit
2230lpfc_pci_remove_one(struct pci_dev *pdev)
2231{
2e0fef85
JS		 2232 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2233 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2234 struct lpfc_hba *phba = vport->phba;
8a4df120
TK		 2235 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2236
549e55cd 2237 spin_lock_irq(&phba->hbalock);
51ef4c26 2238 vport->load_flag |= FC_UNLOADING;
549e55cd 2239 spin_unlock_irq(&phba->hbalock);
2e0fef85 2240
858c9f6c
JS		 2241 kfree(vport->vname);
2242 lpfc_free_sysfs_attr(vport);
2243
09372820
JS		 2244 kthread_stop(phba->worker_thread);
2245
858c9f6c
JS		 2246 fc_remove_host(shost);
2247 scsi_remove_host(shost);
87af33fe
JS		 2248 lpfc_cleanup(vport);
2249
2e0fef85
JS		 2250 /*
2251 * Bring down the SLI Layer. This step disable all interrupts,
2252 * clears the rings, discards all mailbox commands, and resets
2253 * the HBA.
2254 */
2255 lpfc_sli_hba_down(phba);
2256 lpfc_sli_brdrestart(phba);
2257
92d7f7b0 2258 lpfc_stop_phba_timers(phba);
858c9f6c
JS		 2259 spin_lock_irq(&phba->hbalock);
2260 list_del_init(&vport->listentry);
2261 spin_unlock_irq(&phba->hbalock);
2262
858c9f6c 2263 lpfc_debugfs_terminate(vport);
2e0fef85 2264
2e0fef85
JS		 2265 /* Release the irq reservation */
2266 free_irq(phba->pcidev->irq, phba);
51ef4c26
JS		 2267 if (phba->using_msi)
2268 pci_disable_msi(phba->pcidev);
dea3101e 2269
2270 pci_set_drvdata(pdev, NULL);
858c9f6c 2271 scsi_host_put(shost);
2e0fef85
JS		 2272
2273 /*
2274 * Call scsi_free before mem_free since scsi bufs are released to their
2275 * corresponding pools here.
2276 */
2277 lpfc_scsi_free(phba);
2278 lpfc_mem_free(phba);
2279
ed957684
JS		 2280 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2281 phba->hbqslimp.phys);
2282
2e0fef85
JS		 2283 /* Free resources associated with SLI2 interface */
2284 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2285 phba->slim2p, phba->slim2p_mapping);
2286
2287 /* unmap adapter SLIM and Control Registers */
2288 iounmap(phba->ctrl_regs_memmap_p);
2289 iounmap(phba->slim_memmap_p);
2290
2291 idr_remove(&lpfc_hba_index, phba->brd_no);
2292
2293 kfree(phba);
2294
8a4df120 2295 pci_release_selected_regions(pdev, bars);
2e0fef85 2296 pci_disable_device(pdev);
dea3101e 2297}
2298
8d63f375
LV		 2299/**
2300 * lpfc_io_error_detected - called when PCI error is detected
2301 * @pdev: Pointer to PCI device
2302 * @state: The current pci conneection state
2303 *
2304 * This function is called after a PCI bus error affecting
2305 * this device has been detected.
2306 */
2307static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2308 pci_channel_state_t state)
2309{
51ef4c26
JS		 2310 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2311 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2312 struct lpfc_sli *psli = &phba->sli;
2313 struct lpfc_sli_ring *pring;
2314
5daa49ef 2315 if (state == pci_channel_io_perm_failure)
8d63f375 2316 return PCI_ERS_RESULT_DISCONNECT;
5daa49ef 2317
8d63f375
LV		 2318 pci_disable_device(pdev);
2319 /*
2320 * There may be I/Os dropped by the firmware.
2321 * Error iocb (I/O) on txcmplq and let the SCSI layer
2322 * retry it after re-establishing link.
2323 */
2324 pring = &psli->ring[psli->fcp_ring];
2325 lpfc_sli_abort_iocb_ring(phba, pring);
2326
51ef4c26
JS		 2327 /* Release the irq reservation */
2328 free_irq(phba->pcidev->irq, phba);
2329 if (phba->using_msi)
2330 pci_disable_msi(phba->pcidev);
2331
8d63f375
LV		 2332 /* Request a slot reset. */
2333 return PCI_ERS_RESULT_NEED_RESET;
2334}
2335
2336/**
2337 * lpfc_io_slot_reset - called after the pci bus has been reset.
2338 * @pdev: Pointer to PCI device
2339 *
2340 * Restart the card from scratch, as if from a cold-boot.
2341 */
2342static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2343{
51ef4c26
JS		 2344 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2345 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375 2346 struct lpfc_sli *psli = &phba->sli;
8d63f375
LV		 2347
2348 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
09483916 2349 if (pci_enable_device_mem(pdev)) {
8d63f375
LV		 2350 printk(KERN_ERR "lpfc: Cannot re-enable "
2351 "PCI device after reset.\n");
2352 return PCI_ERS_RESULT_DISCONNECT;
2353 }
2354
2355 pci_set_master(pdev);
2356
2357 /* Re-establishing Link */
51ef4c26 2358 spin_lock_irq(shost->host_lock);
92d7f7b0 2359 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
51ef4c26 2360 spin_unlock_irq(shost->host_lock);
8d63f375 2361
92d7f7b0 2362 spin_lock_irq(&phba->hbalock);
8d63f375 2363 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 2364 spin_unlock_irq(&phba->hbalock);
8d63f375
LV		 2365
2366
2367 /* Take device offline; this will perform cleanup */
2368 lpfc_offline(phba);
2369 lpfc_sli_brdrestart(phba);
2370
2371 return PCI_ERS_RESULT_RECOVERED;
2372}
2373
2374/**
2375 * lpfc_io_resume - called when traffic can start flowing again.
2376 * @pdev: Pointer to PCI device
2377 *
2378 * This callback is called when the error recovery driver tells us that
2379 * its OK to resume normal operation.
2380 */
2381static void lpfc_io_resume(struct pci_dev *pdev)
2382{
51ef4c26
JS		 2383 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2384 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2385
2386 if (lpfc_online(phba) == 0) {
2387 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2388 }
2389}
2390
dea3101e 2391static struct pci_device_id lpfc_id_table[] = {
2392 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2393 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 2394 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2395 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2396 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2397 PCI_ANY_ID, PCI_ANY_ID, },
2398 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2399 PCI_ANY_ID, PCI_ANY_ID, },
2400 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2401 PCI_ANY_ID, PCI_ANY_ID, },
2402 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2403 PCI_ANY_ID, PCI_ANY_ID, },
2404 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2405 PCI_ANY_ID, PCI_ANY_ID, },
2406 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2407 PCI_ANY_ID, PCI_ANY_ID, },
2408 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2409 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2410 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2411 PCI_ANY_ID, PCI_ANY_ID, },
2412 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2413 PCI_ANY_ID, PCI_ANY_ID, },
2414 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2415 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2416 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2417 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2418 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2419 PCI_ANY_ID, PCI_ANY_ID, },
2420 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2421 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2422 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2423 PCI_ANY_ID, PCI_ANY_ID, },
2424 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2425 PCI_ANY_ID, PCI_ANY_ID, },
2426 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2427 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2428 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2429 PCI_ANY_ID, PCI_ANY_ID, },
2430 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2431 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2432 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2433 PCI_ANY_ID, PCI_ANY_ID, },
2434 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2435 PCI_ANY_ID, PCI_ANY_ID, },
2436 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2437 PCI_ANY_ID, PCI_ANY_ID, },
2438 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2439 PCI_ANY_ID, PCI_ANY_ID, },
2440 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2441 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2442 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2443 PCI_ANY_ID, PCI_ANY_ID, },
2444 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2445 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 2446 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2447 PCI_ANY_ID, PCI_ANY_ID, },
2448 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2449 PCI_ANY_ID, PCI_ANY_ID, },
2450 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2451 PCI_ANY_ID, PCI_ANY_ID, },
2452 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2453 PCI_ANY_ID, PCI_ANY_ID, },
2454 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2455 PCI_ANY_ID, PCI_ANY_ID, },
2456 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2457 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 2458 { 0 }
2459};
2460
2461MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2462
8d63f375
LV		 2463static struct pci_error_handlers lpfc_err_handler = {
2464 .error_detected = lpfc_io_error_detected,
2465 .slot_reset = lpfc_io_slot_reset,
2466 .resume = lpfc_io_resume,
2467};
2468
dea3101e 2469static struct pci_driver lpfc_driver = {
2470 .name = LPFC_DRIVER_NAME,
2471 .id_table = lpfc_id_table,
2472 .probe = lpfc_pci_probe_one,
2473 .remove = __devexit_p(lpfc_pci_remove_one),
2e0fef85 2474 .err_handler = &lpfc_err_handler,
dea3101e 2475};
2476
2477static int __init
2478lpfc_init(void)
2479{
2480 int error = 0;
2481
2482 printk(LPFC_MODULE_DESC "\n");
c44ce173 2483 printk(LPFC_COPYRIGHT "\n");
dea3101e 2484
7ee5d43e
JS		 2485 if (lpfc_enable_npiv) {
2486 lpfc_transport_functions.vport_create = lpfc_vport_create;
2487 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2488 }
dea3101e 2489 lpfc_transport_template =
2490 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 2491 if (lpfc_transport_template == NULL)
dea3101e 2492 return -ENOMEM;
7ee5d43e 2493 if (lpfc_enable_npiv) {
7ee5d43e 2494 lpfc_vport_transport_template =
98c9ea5c
JS		 2495 fc_attach_transport(&lpfc_vport_transport_functions);
2496 if (lpfc_vport_transport_template == NULL) {
2497 fc_release_transport(lpfc_transport_template);
7ee5d43e 2498 return -ENOMEM;
98c9ea5c 2499 }
7ee5d43e 2500 }
dea3101e 2501 error = pci_register_driver(&lpfc_driver);
92d7f7b0 2502 if (error) {
dea3101e 2503 fc_release_transport(lpfc_transport_template);
92d7f7b0
JS		 2504 fc_release_transport(lpfc_vport_transport_template);
2505 }
dea3101e 2506
2507 return error;
2508}
2509
2510static void __exit
2511lpfc_exit(void)
2512{
2513 pci_unregister_driver(&lpfc_driver);
2514 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 2515 if (lpfc_enable_npiv)
2516 fc_release_transport(lpfc_vport_transport_template);
dea3101e 2517}
2518
2519module_init(lpfc_init);
2520module_exit(lpfc_exit);
2521MODULE_LICENSE("GPL");
2522MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2523MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2524MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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