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[SCSI] lpfc 8.2.4 : Correct abort handler logic
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e
JB		 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
9413afff 4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e
JB		 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e
JB		 20 *******************************************************************/
21
dea3101e
JB		 22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <linux/dma-mapping.h>
25#include <linux/idr.h>
26#include <linux/interrupt.h>
27#include <linux/kthread.h>
28#include <linux/pci.h>
29#include <linux/spinlock.h>
92d7f7b0 30#include <linux/ctype.h>
dea3101e 31
91886523 32#include <scsi/scsi.h>
dea3101e
JB		 33#include <scsi/scsi_device.h>
34#include <scsi/scsi_host.h>
35#include <scsi/scsi_transport_fc.h>
36
37#include "lpfc_hw.h"
38#include "lpfc_sli.h"
39#include "lpfc_disc.h"
40#include "lpfc_scsi.h"
41#include "lpfc.h"
42#include "lpfc_logmsg.h"
43#include "lpfc_crtn.h"
92d7f7b0 44#include "lpfc_vport.h"
dea3101e
JB		 45#include "lpfc_version.h"
46
74b72a59 47static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 78
79 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
80 if (!pmb) {
2e0fef85 81 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 82 return -ENOMEM;
83 }
84
85 mb = &pmb->mb;
2e0fef85 86 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e
JB		 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
JB		 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
JB		 108 "error, mbxCmd x%x READ_NVPARM, "
109 "mbxStatus x%x\n",
dea3101e
JB		 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
JB		 118 }
119
92d7f7b0
JS		 120 phba->sli3_options = 0x0;
121
dea3101e
JB		 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
JB		 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
JB		 144 mempool_free(pmb, phba->mbox_mem_pool);
145 return -ERESTART;
dea3101e
JB		 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
JB		 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
JB		 176 if (lpfc_is_LC_HBA(phba->pcidev->device))
177 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
178 sizeof (phba->RandomData));
179
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 258 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
259 if (!pmb) {
2e0fef85 260 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 378
379 /* Enable appropriate host interrupts */
2e0fef85 380 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 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
JB		 396 writel(status, phba->HCregaddr);
397 readl(phba->HCregaddr); /* flush */
2e0fef85 398 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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 510/* HBA heart beat timeout handler */
a6ababd2 511static void
858c9f6c
JS		 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;
0ff10d46 550 struct lpfc_dmabuf *buf_ptr;
858c9f6c
JS		 551 int retval;
552 struct lpfc_sli *psli = &phba->sli;
0ff10d46 553 LIST_HEAD(completions);
858c9f6c
JS		 554
555 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 556 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 557 (phba->pport->fc_flag & FC_OFFLINE_MODE))
558 return;
559
560 spin_lock_irq(&phba->pport->work_port_lock);
561 /* If the timer is already canceled do nothing */
562 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
563 spin_unlock_irq(&phba->pport->work_port_lock);
564 return;
565 }
566
567 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
568 jiffies)) {
569 spin_unlock_irq(&phba->pport->work_port_lock);
570 if (!phba->hb_outstanding)
571 mod_timer(&phba->hb_tmofunc,
572 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
573 else
574 mod_timer(&phba->hb_tmofunc,
575 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
576 return;
577 }
578 spin_unlock_irq(&phba->pport->work_port_lock);
579
0ff10d46
JS		 580 if (phba->elsbuf_cnt &&
581 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
582 spin_lock_irq(&phba->hbalock);
583 list_splice_init(&phba->elsbuf, &completions);
584 phba->elsbuf_cnt = 0;
585 phba->elsbuf_prev_cnt = 0;
586 spin_unlock_irq(&phba->hbalock);
587
588 while (!list_empty(&completions)) {
589 list_remove_head(&completions, buf_ptr,
590 struct lpfc_dmabuf, list);
591 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
592 kfree(buf_ptr);
593 }
594 }
595 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
596
597
858c9f6c
JS		 598 /* If there is no heart beat outstanding, issue a heartbeat command */
599 if (!phba->hb_outstanding) {
600 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
601 if (!pmboxq) {
602 mod_timer(&phba->hb_tmofunc,
603 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
604 return;
605 }
606
607 lpfc_heart_beat(phba, pmboxq);
608 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
609 pmboxq->vport = phba->pport;
610 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
611
612 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
613 mempool_free(pmboxq, phba->mbox_mem_pool);
614 mod_timer(&phba->hb_tmofunc,
615 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
616 return;
617 }
618 mod_timer(&phba->hb_tmofunc,
619 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
620 phba->hb_outstanding = 1;
621 return;
622 } else {
623 /*
624 * If heart beat timeout called with hb_outstanding set we
625 * need to take the HBA offline.
626 */
627 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 628 "0459 Adapter heartbeat failure, taking "
629 "this port offline.\n");
858c9f6c
JS		 630
631 spin_lock_irq(&phba->hbalock);
632 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
633 spin_unlock_irq(&phba->hbalock);
634
635 lpfc_offline_prep(phba);
636 lpfc_offline(phba);
637 lpfc_unblock_mgmt_io(phba);
638 phba->link_state = LPFC_HBA_ERROR;
639 lpfc_hba_down_post(phba);
640 }
641}
642
dea3101e
JB		 643/************************************************************************/
644/* */
645/* lpfc_handle_eratt */
646/* This routine will handle processing a Host Attention */
647/* Error Status event. This will be initialized */
648/* as a SLI layer callback routine. */
649/* */
650/************************************************************************/
651void
2e0fef85 652lpfc_handle_eratt(struct lpfc_hba *phba)
dea3101e 653{
2e0fef85 654 struct lpfc_vport *vport = phba->pport;
2e0fef85 655 struct lpfc_sli *psli = &phba->sli;
dea3101e 656 struct lpfc_sli_ring *pring;
549e55cd 657 struct lpfc_vport **vports;
d2873e4c 658 uint32_t event_data;
57127f15
JS		 659 unsigned long temperature;
660 struct temp_event temp_event_data;
92d7f7b0 661 struct Scsi_Host *shost;
549e55cd 662 int i;
2e0fef85 663
8d63f375
LV		 664 /* If the pci channel is offline, ignore possible errors,
665 * since we cannot communicate with the pci card anyway. */
666 if (pci_channel_offline(phba->pcidev))
667 return;
dea3101e 668
f5603511
JS		 669 if (phba->work_hs & HS_FFER6 ||
670 phba->work_hs & HS_FFER5) {
dea3101e
JB		 671 /* Re-establishing Link */
672 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
e8b62011 673 "1301 Re-establishing Link "
dea3101e 674 "Data: x%x x%x x%x\n",
e8b62011 675 phba->work_hs,
dea3101e 676 phba->work_status[0], phba->work_status[1]);
549e55cd
JS		 677 vports = lpfc_create_vport_work_array(phba);
678 if (vports != NULL)
679 for(i = 0;
680 i < LPFC_MAX_VPORTS && vports[i] != NULL;
681 i++){
682 shost = lpfc_shost_from_vport(vports[i]);
683 spin_lock_irq(shost->host_lock);
684 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
685 spin_unlock_irq(shost->host_lock);
686 }
687 lpfc_destroy_vport_work_array(vports);
92d7f7b0 688 spin_lock_irq(&phba->hbalock);
9290831f 689 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 690 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 691
692 /*
693 * Firmware stops when it triggled erratt with HS_FFER6.
694 * That could cause the I/Os dropped by the firmware.
695 * Error iocb (I/O) on txcmplq and let the SCSI layer
696 * retry it after re-establishing link.
697 */
698 pring = &psli->ring[psli->fcp_ring];
699 lpfc_sli_abort_iocb_ring(phba, pring);
700
701
702 /*
703 * There was a firmware error. Take the hba offline and then
704 * attempt to restart it.
705 */
46fa311e 706 lpfc_offline_prep(phba);
dea3101e 707 lpfc_offline(phba);
41415862 708 lpfc_sli_brdrestart(phba);
dea3101e
JB		 709 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
710 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
46fa311e 711 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 712 return;
713 }
46fa311e 714 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 715 } else if (phba->work_hs & HS_CRIT_TEMP) {
716 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
717 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
718 temp_event_data.event_code = LPFC_CRIT_TEMP;
719 temp_event_data.data = (uint32_t)temperature;
720
721 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
722 "0459 Adapter maximum temperature exceeded "
723 "(%ld), taking this port offline "
724 "Data: x%x x%x x%x\n",
725 temperature, phba->work_hs,
726 phba->work_status[0], phba->work_status[1]);
727
728 shost = lpfc_shost_from_vport(phba->pport);
729 fc_host_post_vendor_event(shost, fc_get_event_number(),
730 sizeof(temp_event_data),
731 (char *) &temp_event_data,
732 SCSI_NL_VID_TYPE_PCI
733 | PCI_VENDOR_ID_EMULEX);
734
7af67051 735 spin_lock_irq(&phba->hbalock);
57127f15 736 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
7af67051
JS		 737 phba->over_temp_state = HBA_OVER_TEMP;
738 spin_unlock_irq(&phba->hbalock);
57127f15
JS		 739 lpfc_offline_prep(phba);
740 lpfc_offline(phba);
741 lpfc_unblock_mgmt_io(phba);
742 phba->link_state = LPFC_HBA_ERROR;
743 lpfc_hba_down_post(phba);
744
dea3101e
JB		 745 } else {
746 /* The if clause above forces this code path when the status
747 * failure is a value other than FFER6. Do not call the offline
748 * twice. This is the adapter hardware error path.
749 */
750 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 751 "0457 Adapter Hardware Error "
dea3101e 752 "Data: x%x x%x x%x\n",
e8b62011 753 phba->work_hs,
dea3101e
JB		 754 phba->work_status[0], phba->work_status[1]);
755
d2873e4c 756 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 757 shost = lpfc_shost_from_vport(vport);
2e0fef85 758 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 759 sizeof(event_data), (char *) &event_data,
760 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
761
92d7f7b0 762 spin_lock_irq(&phba->hbalock);
9290831f 763 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 764 spin_unlock_irq(&phba->hbalock);
46fa311e 765 lpfc_offline_prep(phba);
dea3101e 766 lpfc_offline(phba);
46fa311e 767 lpfc_unblock_mgmt_io(phba);
2e0fef85 768 phba->link_state = LPFC_HBA_ERROR;
41415862 769 lpfc_hba_down_post(phba);
dea3101e
JB		 770 }
771}
772
773/************************************************************************/
774/* */
775/* lpfc_handle_latt */
776/* This routine will handle processing a Host Attention */
777/* Link Status event. This will be initialized */
778/* as a SLI layer callback routine. */
779/* */
780/************************************************************************/
781void
2e0fef85 782lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 783{
2e0fef85
JS		 784 struct lpfc_vport *vport = phba->pport;
785 struct lpfc_sli *psli = &phba->sli;
dea3101e
JB		 786 LPFC_MBOXQ_t *pmb;
787 volatile uint32_t control;
788 struct lpfc_dmabuf *mp;
789 int rc = -ENOMEM;
790
791 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
792 if (!pmb)
793 goto lpfc_handle_latt_err_exit;
794
795 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
796 if (!mp)
797 goto lpfc_handle_latt_free_pmb;
798
799 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
800 if (!mp->virt)
801 goto lpfc_handle_latt_free_mp;
802
803 rc = -EIO;
804
6281bfe0 805 /* Cleanup any outstanding ELS commands */
549e55cd 806 lpfc_els_flush_all_cmd(phba);
dea3101e
JB		 807
808 psli->slistat.link_event++;
809 lpfc_read_la(phba, pmb, mp);
810 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
2e0fef85 811 pmb->vport = vport;
0b727fea 812 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
dea3101e 813 if (rc == MBX_NOT_FINISHED)
14691150 814 goto lpfc_handle_latt_free_mbuf;
dea3101e
JB		 815
816 /* Clear Link Attention in HA REG */
2e0fef85 817 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 818 writel(HA_LATT, phba->HAregaddr);
819 readl(phba->HAregaddr); /* flush */
2e0fef85 820 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 821
822 return;
823
14691150
JS		 824lpfc_handle_latt_free_mbuf:
825 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e
JB		 826lpfc_handle_latt_free_mp:
827 kfree(mp);
828lpfc_handle_latt_free_pmb:
1dcb58e5 829 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e
JB		 830lpfc_handle_latt_err_exit:
831 /* Enable Link attention interrupts */
2e0fef85 832 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 833 psli->sli_flag |= LPFC_PROCESS_LA;
834 control = readl(phba->HCregaddr);
835 control |= HC_LAINT_ENA;
836 writel(control, phba->HCregaddr);
837 readl(phba->HCregaddr); /* flush */
838
839 /* Clear Link Attention in HA REG */
840 writel(HA_LATT, phba->HAregaddr);
841 readl(phba->HAregaddr); /* flush */
2e0fef85 842 spin_unlock_irq(&phba->hbalock);
dea3101e 843 lpfc_linkdown(phba);
2e0fef85 844 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 845
846 /* The other case is an error from issue_mbox */
847 if (rc == -ENOMEM)
ed957684 848 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
e8b62011 849 "0300 READ_LA: no buffers\n");
dea3101e
JB		 850
851 return;
852}
853
854/************************************************************************/
855/* */
856/* lpfc_parse_vpd */
857/* This routine will parse the VPD data */
858/* */
859/************************************************************************/
860static int
2e0fef85 861lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e
JB		 862{
863 uint8_t lenlo, lenhi;
07da60c1 864 int Length;
dea3101e
JB		 865 int i, j;
866 int finished = 0;
867 int index = 0;
868
869 if (!vpd)
870 return 0;
871
872 /* Vital Product */
ed957684 873 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 874 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e
JB		 875 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
876 (uint32_t) vpd[3]);
74b72a59 877 while (!finished && (index < (len - 4))) {
dea3101e
JB		 878 switch (vpd[index]) {
879 case 0x82:
74b72a59 880 case 0x91:
dea3101e
JB		 881 index += 1;
882 lenlo = vpd[index];
883 index += 1;
884 lenhi = vpd[index];
885 index += 1;
886 i = ((((unsigned short)lenhi) << 8) + lenlo);
887 index += i;
888 break;
889 case 0x90:
890 index += 1;
891 lenlo = vpd[index];
892 index += 1;
893 lenhi = vpd[index];
894 index += 1;
895 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 896 if (Length > len - index)
897 Length = len - index;
dea3101e
JB		 898 while (Length > 0) {
899 /* Look for Serial Number */
900 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
901 index += 2;
902 i = vpd[index];
903 index += 1;
904 j = 0;
905 Length -= (3+i);
906 while(i--) {
907 phba->SerialNumber[j++] = vpd[index++];
908 if (j == 31)
909 break;
910 }
911 phba->SerialNumber[j] = 0;
912 continue;
913 }
914 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
915 phba->vpd_flag |= VPD_MODEL_DESC;
916 index += 2;
917 i = vpd[index];
918 index += 1;
919 j = 0;
920 Length -= (3+i);
921 while(i--) {
922 phba->ModelDesc[j++] = vpd[index++];
923 if (j == 255)
924 break;
925 }
926 phba->ModelDesc[j] = 0;
927 continue;
928 }
929 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
930 phba->vpd_flag |= VPD_MODEL_NAME;
931 index += 2;
932 i = vpd[index];
933 index += 1;
934 j = 0;
935 Length -= (3+i);
936 while(i--) {
937 phba->ModelName[j++] = vpd[index++];
938 if (j == 79)
939 break;
940 }
941 phba->ModelName[j] = 0;
942 continue;
943 }
944 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
945 phba->vpd_flag |= VPD_PROGRAM_TYPE;
946 index += 2;
947 i = vpd[index];
948 index += 1;
949 j = 0;
950 Length -= (3+i);
951 while(i--) {
952 phba->ProgramType[j++] = vpd[index++];
953 if (j == 255)
954 break;
955 }
956 phba->ProgramType[j] = 0;
957 continue;
958 }
959 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
960 phba->vpd_flag |= VPD_PORT;
961 index += 2;
962 i = vpd[index];
963 index += 1;
964 j = 0;
965 Length -= (3+i);
966 while(i--) {
967 phba->Port[j++] = vpd[index++];
968 if (j == 19)
969 break;
970 }
971 phba->Port[j] = 0;
972 continue;
973 }
974 else {
975 index += 2;
976 i = vpd[index];
977 index += 1;
978 index += i;
979 Length -= (3 + i);
980 }
981 }
982 finished = 0;
983 break;
984 case 0x78:
985 finished = 1;
986 break;
987 default:
988 index ++;
989 break;
990 }
74b72a59 991 }
dea3101e
JB		 992
993 return(1);
994}
995
996static void
2e0fef85 997lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e
JB		 998{
999 lpfc_vpd_t *vp;
fefcb2b6 1000 uint16_t dev_id = phba->pcidev->device;
74b72a59 1001 int max_speed;
74b72a59
JW		 1002 struct {
1003 char * name;
1004 int max_speed;
74b72a59 1005 char * bus;
18a3b596 1006 } m = {"<Unknown>", 0, ""};
74b72a59
JW		 1007
1008 if (mdp && mdp[0] != '\0'
1009 && descp && descp[0] != '\0')
1010 return;
1011
1012 if (phba->lmt & LMT_10Gb)
1013 max_speed = 10;
1014 else if (phba->lmt & LMT_8Gb)
1015 max_speed = 8;
1016 else if (phba->lmt & LMT_4Gb)
1017 max_speed = 4;
1018 else if (phba->lmt & LMT_2Gb)
1019 max_speed = 2;
1020 else
1021 max_speed = 1;
dea3101e
JB		 1022
1023 vp = &phba->vpd;
dea3101e 1024
e4adb204 1025 switch (dev_id) {
06325e74 1026 case PCI_DEVICE_ID_FIREFLY:
18a3b596 1027 m = (typeof(m)){"LP6000", max_speed, "PCI"};
06325e74 1028 break;
dea3101e
JB		 1029 case PCI_DEVICE_ID_SUPERFLY:
1030 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
18a3b596 1031 m = (typeof(m)){"LP7000", max_speed, "PCI"};
dea3101e 1032 else
18a3b596 1033 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
dea3101e
JB		 1034 break;
1035 case PCI_DEVICE_ID_DRAGONFLY:
18a3b596 1036 m = (typeof(m)){"LP8000", max_speed, "PCI"};
dea3101e
JB		 1037 break;
1038 case PCI_DEVICE_ID_CENTAUR:
1039 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
18a3b596 1040 m = (typeof(m)){"LP9002", max_speed, "PCI"};
dea3101e 1041 else
18a3b596 1042 m = (typeof(m)){"LP9000", max_speed, "PCI"};
dea3101e
JB		 1043 break;
1044 case PCI_DEVICE_ID_RFLY:
18a3b596 1045 m = (typeof(m)){"LP952", max_speed, "PCI"};
dea3101e
JB		 1046 break;
1047 case PCI_DEVICE_ID_PEGASUS:
18a3b596 1048 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
dea3101e
JB		 1049 break;
1050 case PCI_DEVICE_ID_THOR:
18a3b596 1051 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
dea3101e
JB		 1052 break;
1053 case PCI_DEVICE_ID_VIPER:
18a3b596 1054 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
dea3101e
JB		 1055 break;
1056 case PCI_DEVICE_ID_PFLY:
18a3b596 1057 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
dea3101e
JB		 1058 break;
1059 case PCI_DEVICE_ID_TFLY:
18a3b596 1060 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
dea3101e
JB		 1061 break;
1062 case PCI_DEVICE_ID_HELIOS:
18a3b596 1063 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
dea3101e 1064 break;
e4adb204 1065 case PCI_DEVICE_ID_HELIOS_SCSP:
18a3b596 1066 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1067 break;
1068 case PCI_DEVICE_ID_HELIOS_DCSP:
18a3b596 1069 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
e4adb204
JSEC		 1070 break;
1071 case PCI_DEVICE_ID_NEPTUNE:
18a3b596 1072 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
e4adb204
JSEC		 1073 break;
1074 case PCI_DEVICE_ID_NEPTUNE_SCSP:
18a3b596 1075 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
e4adb204
JSEC		 1076 break;
1077 case PCI_DEVICE_ID_NEPTUNE_DCSP:
18a3b596 1078 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
e4adb204 1079 break;
dea3101e 1080 case PCI_DEVICE_ID_BMID:
18a3b596 1081 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
dea3101e
JB		 1082 break;
1083 case PCI_DEVICE_ID_BSMB:
18a3b596 1084 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
dea3101e
JB		 1085 break;
1086 case PCI_DEVICE_ID_ZEPHYR:
18a3b596 1087 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
dea3101e 1088 break;
e4adb204 1089 case PCI_DEVICE_ID_ZEPHYR_SCSP:
18a3b596 1090 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
e4adb204
JSEC		 1091 break;
1092 case PCI_DEVICE_ID_ZEPHYR_DCSP:
18a3b596 1093 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
e4adb204 1094 break;
dea3101e 1095 case PCI_DEVICE_ID_ZMID:
18a3b596 1096 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
dea3101e
JB		 1097 break;
1098 case PCI_DEVICE_ID_ZSMB:
18a3b596 1099 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
dea3101e
JB		 1100 break;
1101 case PCI_DEVICE_ID_LP101:
18a3b596 1102 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
dea3101e
JB		 1103 break;
1104 case PCI_DEVICE_ID_LP10000S:
18a3b596 1105 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
06325e74 1106 break;
e4adb204 1107 case PCI_DEVICE_ID_LP11000S:
18a3b596
JS		 1108 m = (typeof(m)){"LP11000-S", max_speed,
1109 "PCI-X2"};
1110 break;
e4adb204 1111 case PCI_DEVICE_ID_LPE11000S:
18a3b596
JS		 1112 m = (typeof(m)){"LPe11000-S", max_speed,
1113 "PCIe"};
5cc36b3c 1114 break;
b87eab38
JS		 1115 case PCI_DEVICE_ID_SAT:
1116 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1117 break;
1118 case PCI_DEVICE_ID_SAT_MID:
1119 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1120 break;
1121 case PCI_DEVICE_ID_SAT_SMB:
1122 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1123 break;
1124 case PCI_DEVICE_ID_SAT_DCSP:
1125 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1126 break;
1127 case PCI_DEVICE_ID_SAT_SCSP:
1128 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1129 break;
1130 case PCI_DEVICE_ID_SAT_S:
1131 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1132 break;
5cc36b3c 1133 default:
041976fb 1134 m = (typeof(m)){ NULL };
e4adb204 1135 break;
dea3101e 1136 }
74b72a59
JW		 1137
1138 if (mdp && mdp[0] == '\0')
1139 snprintf(mdp, 79,"%s", m.name);
1140 if (descp && descp[0] == '\0')
1141 snprintf(descp, 255,
18a3b596
JS		 1142 "Emulex %s %dGb %s Fibre Channel Adapter",
1143 m.name, m.max_speed, m.bus);
dea3101e
JB		 1144}
1145
1146/**************************************************/
1147/* lpfc_post_buffer */
1148/* */
1149/* This routine will post count buffers to the */
1150/* ring with the QUE_RING_BUF_CN command. This */
1151/* allows 3 buffers / command to be posted. */
1152/* Returns the number of buffers NOT posted. */
1153/**************************************************/
1154int
2e0fef85 1155lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
dea3101e
JB		 1156 int type)
1157{
1158 IOCB_t *icmd;
0bd4ca25 1159 struct lpfc_iocbq *iocb;
dea3101e
JB		 1160 struct lpfc_dmabuf *mp1, *mp2;
1161
1162 cnt += pring->missbufcnt;
1163
1164 /* While there are buffers to post */
1165 while (cnt > 0) {
1166 /* Allocate buffer for command iocb */
0bd4ca25 1167 iocb = lpfc_sli_get_iocbq(phba);
dea3101e
JB		 1168 if (iocb == NULL) {
1169 pring->missbufcnt = cnt;
1170 return cnt;
1171 }
dea3101e
JB		 1172 icmd = &iocb->iocb;
1173
1174 /* 2 buffers can be posted per command */
1175 /* Allocate buffer to post */
1176 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1177 if (mp1)
98c9ea5c
JS		 1178 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1179 if (!mp1 || !mp1->virt) {
c9475cb0 1180 kfree(mp1);
604a3e30 1181 lpfc_sli_release_iocbq(phba, iocb);
dea3101e
JB		 1182 pring->missbufcnt = cnt;
1183 return cnt;
1184 }
1185
1186 INIT_LIST_HEAD(&mp1->list);
1187 /* Allocate buffer to post */
1188 if (cnt > 1) {
1189 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1190 if (mp2)
1191 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1192 &mp2->phys);
98c9ea5c 1193 if (!mp2 || !mp2->virt) {
c9475cb0 1194 kfree(mp2);
dea3101e
JB		 1195 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1196 kfree(mp1);
604a3e30 1197 lpfc_sli_release_iocbq(phba, iocb);
dea3101e
JB		 1198 pring->missbufcnt = cnt;
1199 return cnt;
1200 }
1201
1202 INIT_LIST_HEAD(&mp2->list);
1203 } else {
1204 mp2 = NULL;
1205 }
1206
1207 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1208 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1209 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1210 icmd->ulpBdeCount = 1;
1211 cnt--;
1212 if (mp2) {
1213 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1214 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1215 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1216 cnt--;
1217 icmd->ulpBdeCount = 2;
1218 }
1219
1220 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1221 icmd->ulpLe = 1;
1222
dea3101e
JB		 1223 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1224 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1225 kfree(mp1);
1226 cnt++;
1227 if (mp2) {
1228 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1229 kfree(mp2);
1230 cnt++;
1231 }
604a3e30 1232 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 1233 pring->missbufcnt = cnt;
dea3101e
JB		 1234 return cnt;
1235 }
dea3101e 1236 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 1237 if (mp2)
dea3101e 1238 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e
JB		 1239 }
1240 pring->missbufcnt = 0;
1241 return 0;
1242}
1243
1244/************************************************************************/
1245/* */
1246/* lpfc_post_rcv_buf */
1247/* This routine post initial rcv buffers to the configured rings */
1248/* */
1249/************************************************************************/
1250static int
2e0fef85 1251lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e
JB		 1252{
1253 struct lpfc_sli *psli = &phba->sli;
1254
1255 /* Ring 0, ELS / CT buffers */
1256 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1257 /* Ring 2 - FCP no buffers needed */
1258
1259 return 0;
1260}
1261
1262#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1263
1264/************************************************************************/
1265/* */
1266/* lpfc_sha_init */
1267/* */
1268/************************************************************************/
1269static void
1270lpfc_sha_init(uint32_t * HashResultPointer)
1271{
1272 HashResultPointer[0] = 0x67452301;
1273 HashResultPointer[1] = 0xEFCDAB89;
1274 HashResultPointer[2] = 0x98BADCFE;
1275 HashResultPointer[3] = 0x10325476;
1276 HashResultPointer[4] = 0xC3D2E1F0;
1277}
1278
1279/************************************************************************/
1280/* */
1281/* lpfc_sha_iterate */
1282/* */
1283/************************************************************************/
1284static void
1285lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1286{
1287 int t;
1288 uint32_t TEMP;
1289 uint32_t A, B, C, D, E;
1290 t = 16;
1291 do {
1292 HashWorkingPointer[t] =
1293 S(1,
1294 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1295 8] ^
1296 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1297 } while (++t <= 79);
1298 t = 0;
1299 A = HashResultPointer[0];
1300 B = HashResultPointer[1];
1301 C = HashResultPointer[2];
1302 D = HashResultPointer[3];
1303 E = HashResultPointer[4];
1304
1305 do {
1306 if (t < 20) {
1307 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1308 } else if (t < 40) {
1309 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1310 } else if (t < 60) {
1311 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1312 } else {
1313 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1314 }
1315 TEMP += S(5, A) + E + HashWorkingPointer[t];
1316 E = D;
1317 D = C;
1318 C = S(30, B);
1319 B = A;
1320 A = TEMP;
1321 } while (++t <= 79);
1322
1323 HashResultPointer[0] += A;
1324 HashResultPointer[1] += B;
1325 HashResultPointer[2] += C;
1326 HashResultPointer[3] += D;
1327 HashResultPointer[4] += E;
1328
1329}
1330
1331/************************************************************************/
1332/* */
1333/* lpfc_challenge_key */
1334/* */
1335/************************************************************************/
1336static void
1337lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1338{
1339 *HashWorking = (*RandomChallenge ^ *HashWorking);
1340}
1341
1342/************************************************************************/
1343/* */
1344/* lpfc_hba_init */
1345/* */
1346/************************************************************************/
1347void
1348lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1349{
1350 int t;
1351 uint32_t *HashWorking;
2e0fef85 1352 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 1353
bbfbbbc1 1354 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e
JB		 1355 if (!HashWorking)
1356 return;
1357
dea3101e
JB		 1358 HashWorking[0] = HashWorking[78] = *pwwnn++;
1359 HashWorking[1] = HashWorking[79] = *pwwnn;
1360
1361 for (t = 0; t < 7; t++)
1362 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1363
1364 lpfc_sha_init(hbainit);
1365 lpfc_sha_iterate(hbainit, HashWorking);
1366 kfree(HashWorking);
1367}
1368
87af33fe 1369void
2e0fef85 1370lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 1371{
87af33fe 1372 struct lpfc_hba *phba = vport->phba;
dea3101e 1373 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 1374 int i = 0;
dea3101e 1375
87af33fe
JS		 1376 if (phba->link_state > LPFC_LINK_DOWN)
1377 lpfc_port_link_failure(vport);
1378
1379 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1380 if (ndlp->nlp_type & NLP_FABRIC)
1381 lpfc_disc_state_machine(vport, ndlp, NULL,
1382 NLP_EVT_DEVICE_RECOVERY);
1383 lpfc_disc_state_machine(vport, ndlp, NULL,
1384 NLP_EVT_DEVICE_RM);
1385 }
1386
a8adb832
JS		 1387 /* At this point, ALL ndlp's should be gone
1388 * because of the previous NLP_EVT_DEVICE_RM.
1389 * Lets wait for this to happen, if needed.
1390 */
87af33fe
JS		 1391 while (!list_empty(&vport->fc_nodes)) {
1392
a8adb832 1393 if (i++ > 3000) {
87af33fe 1394 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832
JS		 1395 "0233 Nodelist not empty\n");
1396 break;
87af33fe 1397 }
a8adb832
JS		 1398
1399 /* Wait for any activity on ndlps to settle */
1400 msleep(10);
87af33fe 1401 }
dea3101e
JB		 1402 return;
1403}
1404
1405static void
1406lpfc_establish_link_tmo(unsigned long ptr)
1407{
92d7f7b0 1408 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
549e55cd 1409 struct lpfc_vport **vports;
dea3101e 1410 unsigned long iflag;
549e55cd 1411 int i;
dea3101e 1412
dea3101e
JB		 1413 /* Re-establishing Link, timer expired */
1414 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
e8b62011 1415 "1300 Re-establishing Link, timer expired "
dea3101e 1416 "Data: x%x x%x\n",
e8b62011 1417 phba->pport->fc_flag, phba->pport->port_state);
549e55cd
JS		 1418 vports = lpfc_create_vport_work_array(phba);
1419 if (vports != NULL)
1420 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1421 struct Scsi_Host *shost;
1422 shost = lpfc_shost_from_vport(vports[i]);
1423 spin_lock_irqsave(shost->host_lock, iflag);
1424 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1425 spin_unlock_irqrestore(shost->host_lock, iflag);
1426 }
1427 lpfc_destroy_vport_work_array(vports);
dea3101e
JB		 1428}
1429
92d7f7b0
JS		 1430void
1431lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 1432{
92d7f7b0
JS		 1433 del_timer_sync(&vport->els_tmofunc);
1434 del_timer_sync(&vport->fc_fdmitmo);
1435 lpfc_can_disctmo(vport);
1436 return;
dea3101e
JB		 1437}
1438
2e0fef85 1439static void
92d7f7b0 1440lpfc_stop_phba_timers(struct lpfc_hba *phba)
dea3101e 1441{
875fbdfe 1442 del_timer_sync(&phba->fcp_poll_timer);
dea3101e 1443 del_timer_sync(&phba->fc_estabtmo);
51ef4c26 1444 lpfc_stop_vport_timers(phba->pport);
2e0fef85 1445 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 1446 del_timer_sync(&phba->fabric_block_timer);
858c9f6c
JS		 1447 phba->hb_outstanding = 0;
1448 del_timer_sync(&phba->hb_tmofunc);
2e0fef85 1449 return;
dea3101e
JB		 1450}
1451
a6ababd2
AB		 1452static void
1453lpfc_block_mgmt_io(struct lpfc_hba * phba)
1454{
1455 unsigned long iflag;
1456
1457 spin_lock_irqsave(&phba->hbalock, iflag);
1458 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1459 spin_unlock_irqrestore(&phba->hbalock, iflag);
1460}
1461
dea3101e 1462int
2e0fef85 1463lpfc_online(struct lpfc_hba *phba)
dea3101e 1464{
2e0fef85 1465 struct lpfc_vport *vport = phba->pport;
549e55cd
JS		 1466 struct lpfc_vport **vports;
1467 int i;
2e0fef85 1468
dea3101e
JB		 1469 if (!phba)
1470 return 0;
1471
2e0fef85 1472 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e
JB		 1473 return 0;
1474
ed957684 1475 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1476 "0458 Bring Adapter online\n");
dea3101e 1477
46fa311e
JS		 1478 lpfc_block_mgmt_io(phba);
1479
1480 if (!lpfc_sli_queue_setup(phba)) {
1481 lpfc_unblock_mgmt_io(phba);
dea3101e 1482 return 1;
46fa311e 1483 }
dea3101e 1484
46fa311e
JS		 1485 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1486 lpfc_unblock_mgmt_io(phba);
dea3101e 1487 return 1;
46fa311e 1488 }
dea3101e 1489
549e55cd
JS		 1490 vports = lpfc_create_vport_work_array(phba);
1491 if (vports != NULL)
1492 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1493 struct Scsi_Host *shost;
1494 shost = lpfc_shost_from_vport(vports[i]);
1495 spin_lock_irq(shost->host_lock);
1496 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1497 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1498 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1499 spin_unlock_irq(shost->host_lock);
1500 }
1501 lpfc_destroy_vport_work_array(vports);
dea3101e 1502
46fa311e 1503 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 1504 return 0;
1505}
1506
46fa311e
JS		 1507void
1508lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1509{
1510 unsigned long iflag;
1511
2e0fef85
JS		 1512 spin_lock_irqsave(&phba->hbalock, iflag);
1513 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1514 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 1515}
1516
1517void
1518lpfc_offline_prep(struct lpfc_hba * phba)
1519{
2e0fef85 1520 struct lpfc_vport *vport = phba->pport;
46fa311e 1521 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe
JS		 1522 struct lpfc_vport **vports;
1523 int i;
dea3101e 1524
2e0fef85 1525 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1526 return;
dea3101e 1527
46fa311e 1528 lpfc_block_mgmt_io(phba);
dea3101e
JB		 1529
1530 lpfc_linkdown(phba);
1531
87af33fe
JS		 1532 /* Issue an unreg_login to all nodes on all vports */
1533 vports = lpfc_create_vport_work_array(phba);
1534 if (vports != NULL) {
1535 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1536 struct Scsi_Host *shost;
1537
a8adb832
JS		 1538 if (vports[i]->load_flag & FC_UNLOADING)
1539 continue;
87af33fe
JS		 1540 shost = lpfc_shost_from_vport(vports[i]);
1541 list_for_each_entry_safe(ndlp, next_ndlp,
1542 &vports[i]->fc_nodes,
1543 nlp_listp) {
1544 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1545 continue;
1546 if (ndlp->nlp_type & NLP_FABRIC) {
1547 lpfc_disc_state_machine(vports[i], ndlp,
1548 NULL, NLP_EVT_DEVICE_RECOVERY);
1549 lpfc_disc_state_machine(vports[i], ndlp,
1550 NULL, NLP_EVT_DEVICE_RM);
1551 }
1552 spin_lock_irq(shost->host_lock);
1553 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1554 spin_unlock_irq(shost->host_lock);
1555 lpfc_unreg_rpi(vports[i], ndlp);
1556 }
1557 }
1558 }
1559 lpfc_destroy_vport_work_array(vports);
dea3101e 1560
46fa311e
JS		 1561 lpfc_sli_flush_mbox_queue(phba);
1562}
1563
1564void
2e0fef85 1565lpfc_offline(struct lpfc_hba *phba)
46fa311e 1566{
549e55cd
JS		 1567 struct Scsi_Host *shost;
1568 struct lpfc_vport **vports;
1569 int i;
46fa311e 1570
549e55cd 1571 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 1572 return;
688a8863 1573
dea3101e 1574 /* stop all timers associated with this hba */
92d7f7b0 1575 lpfc_stop_phba_timers(phba);
51ef4c26
JS		 1576 vports = lpfc_create_vport_work_array(phba);
1577 if (vports != NULL)
1578 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1579 lpfc_stop_vport_timers(vports[i]);
1580 lpfc_destroy_vport_work_array(vports);
92d7f7b0 1581 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 1582 "0460 Bring Adapter offline\n");
dea3101e
JB		 1583 /* Bring down the SLI Layer and cleanup. The HBA is offline
1584 now. */
1585 lpfc_sli_hba_down(phba);
92d7f7b0 1586 spin_lock_irq(&phba->hbalock);
7054a606 1587 phba->work_ha = 0;
92d7f7b0 1588 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 1589 vports = lpfc_create_vport_work_array(phba);
1590 if (vports != NULL)
1591 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1592 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 1593 spin_lock_irq(shost->host_lock);
1594 vports[i]->work_port_events = 0;
1595 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1596 spin_unlock_irq(shost->host_lock);
1597 }
1598 lpfc_destroy_vport_work_array(vports);
dea3101e
JB		 1599}
1600
1601/******************************************************************************
1602* Function name: lpfc_scsi_free
1603*
1604* Description: Called from lpfc_pci_remove_one free internal driver resources
1605*
1606******************************************************************************/
1607static int
2e0fef85 1608lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e
JB		 1609{
1610 struct lpfc_scsi_buf *sb, *sb_next;
1611 struct lpfc_iocbq *io, *io_next;
1612
2e0fef85 1613 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 1614 /* Release all the lpfc_scsi_bufs maintained by this host. */
1615 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1616 list_del(&sb->list);
1617 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 1618 sb->dma_handle);
dea3101e
JB		 1619 kfree(sb);
1620 phba->total_scsi_bufs--;
1621 }
1622
1623 /* Release all the lpfc_iocbq entries maintained by this host. */
1624 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1625 list_del(&io->list);
1626 kfree(io);
1627 phba->total_iocbq_bufs--;
1628 }
1629
2e0fef85 1630 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 1631
1632 return 0;
1633}
1634
2e0fef85 1635struct lpfc_vport *
3de2a653 1636lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 1637{
2e0fef85
JS		 1638 struct lpfc_vport *vport;
1639 struct Scsi_Host *shost;
1640 int error = 0;
47a8617c 1641
3de2a653
JS		 1642 if (dev != &phba->pcidev->dev)
1643 shost = scsi_host_alloc(&lpfc_vport_template,
1644 sizeof(struct lpfc_vport));
1645 else
1646 shost = scsi_host_alloc(&lpfc_template,
1647 sizeof(struct lpfc_vport));
2e0fef85
JS		 1648 if (!shost)
1649 goto out;
47a8617c 1650
2e0fef85
JS		 1651 vport = (struct lpfc_vport *) shost->hostdata;
1652 vport->phba = phba;
47a8617c 1653
2e0fef85 1654 vport->load_flag |= FC_LOADING;
92d7f7b0 1655 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
47a8617c 1656
3de2a653 1657 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 1658 shost->unique_id = instance;
1659 shost->max_id = LPFC_MAX_TARGET;
3de2a653 1660 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 1661 shost->this_id = -1;
1662 shost->max_cmd_len = 16;
47a8617c 1663 /*
2e0fef85
JS		 1664 * Set initial can_queue value since 0 is no longer supported and
1665 * scsi_add_host will fail. This will be adjusted later based on the
1666 * max xri value determined in hba setup.
47a8617c 1667 */
2e0fef85 1668 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 1669 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 1670 shost->transportt = lpfc_vport_transport_template;
1671 vport->port_type = LPFC_NPIV_PORT;
1672 } else {
1673 shost->transportt = lpfc_transport_template;
1674 vport->port_type = LPFC_PHYSICAL_PORT;
1675 }
47a8617c 1676
2e0fef85
JS		 1677 /* Initialize all internally managed lists. */
1678 INIT_LIST_HEAD(&vport->fc_nodes);
1679 spin_lock_init(&vport->work_port_lock);
47a8617c 1680
2e0fef85
JS		 1681 init_timer(&vport->fc_disctmo);
1682 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 1683 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 1684
2e0fef85
JS		 1685 init_timer(&vport->fc_fdmitmo);
1686 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 1687 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 1688
2e0fef85
JS		 1689 init_timer(&vport->els_tmofunc);
1690 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 1691 vport->els_tmofunc.data = (unsigned long)vport;
47a8617c 1692
3de2a653 1693 error = scsi_add_host(shost, dev);
2e0fef85
JS		 1694 if (error)
1695 goto out_put_shost;
47a8617c 1696
549e55cd 1697 spin_lock_irq(&phba->hbalock);
2e0fef85 1698 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 1699 spin_unlock_irq(&phba->hbalock);
2e0fef85 1700 return vport;
47a8617c 1701
2e0fef85
JS		 1702out_put_shost:
1703 scsi_host_put(shost);
1704out:
1705 return NULL;
47a8617c
JS		 1706}
1707
2e0fef85
JS		 1708void
1709destroy_port(struct lpfc_vport *vport)
47a8617c 1710{
92d7f7b0
JS		 1711 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1712 struct lpfc_hba *phba = vport->phba;
47a8617c 1713
92d7f7b0 1714 kfree(vport->vname);
47a8617c 1715
858c9f6c 1716 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 1717 fc_remove_host(shost);
1718 scsi_remove_host(shost);
47a8617c 1719
92d7f7b0
JS		 1720 spin_lock_irq(&phba->hbalock);
1721 list_del_init(&vport->listentry);
1722 spin_unlock_irq(&phba->hbalock);
47a8617c 1723
92d7f7b0 1724 lpfc_cleanup(vport);
47a8617c 1725 return;
47a8617c
JS		 1726}
1727
92d7f7b0
JS		 1728int
1729lpfc_get_instance(void)
1730{
1731 int instance = 0;
47a8617c 1732
92d7f7b0
JS		 1733 /* Assign an unused number */
1734 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1735 return -1;
1736 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1737 return -1;
1738 return instance;
47a8617c
JS		 1739}
1740
858c9f6c
JS		 1741/*
1742 * Note: there is no scan_start function as adapter initialization
1743 * will have asynchronously kicked off the link initialization.
1744 */
47a8617c
JS		 1745
1746int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1747{
2e0fef85
JS		 1748 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1749 struct lpfc_hba *phba = vport->phba;
858c9f6c 1750 int stat = 0;
47a8617c 1751
858c9f6c
JS		 1752 spin_lock_irq(shost->host_lock);
1753
51ef4c26 1754 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 1755 stat = 1;
1756 goto finished;
1757 }
2e0fef85
JS		 1758 if (time >= 30 * HZ) {
1759 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1760 "0461 Scanning longer than 30 "
1761 "seconds. Continuing initialization\n");
858c9f6c 1762 stat = 1;
47a8617c 1763 goto finished;
2e0fef85
JS		 1764 }
1765 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1766 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 1767 "0465 Link down longer than 15 "
1768 "seconds. Continuing initialization\n");
858c9f6c 1769 stat = 1;
47a8617c 1770 goto finished;
2e0fef85 1771 }
47a8617c 1772
2e0fef85 1773 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 1774 goto finished;
2e0fef85 1775 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 1776 goto finished;
2e0fef85 1777 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 1778 goto finished;
2e0fef85 1779 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 1780 goto finished;
1781
1782 stat = 1;
47a8617c
JS		 1783
1784finished:
858c9f6c
JS		 1785 spin_unlock_irq(shost->host_lock);
1786 return stat;
92d7f7b0 1787}
47a8617c 1788
92d7f7b0
JS		 1789void lpfc_host_attrib_init(struct Scsi_Host *shost)
1790{
1791 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1792 struct lpfc_hba *phba = vport->phba;
47a8617c 1793 /*
2e0fef85 1794 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 1795 */
1796
2e0fef85
JS		 1797 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1798 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 1799 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1800
1801 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 1802 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 1803 fc_host_supported_fc4s(shost)[2] = 1;
1804 fc_host_supported_fc4s(shost)[7] = 1;
1805
92d7f7b0
JS		 1806 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1807 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 1808
1809 fc_host_supported_speeds(shost) = 0;
1810 if (phba->lmt & LMT_10Gb)
1811 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 1812 if (phba->lmt & LMT_8Gb)
1813 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 1814 if (phba->lmt & LMT_4Gb)
1815 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1816 if (phba->lmt & LMT_2Gb)
1817 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1818 if (phba->lmt & LMT_1Gb)
1819 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1820
1821 fc_host_maxframe_size(shost) =
2e0fef85
JS		 1822 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1823 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c
JS		 1824
1825 /* This value is also unchanging */
1826 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 1827 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 1828 fc_host_active_fc4s(shost)[2] = 1;
1829 fc_host_active_fc4s(shost)[7] = 1;
1830
92d7f7b0 1831 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 1832 spin_lock_irq(shost->host_lock);
51ef4c26 1833 vport->load_flag &= ~FC_LOADING;
47a8617c 1834 spin_unlock_irq(shost->host_lock);
47a8617c 1835}
dea3101e
JB		 1836
1837static int __devinit
1838lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1839{
2e0fef85
JS		 1840 struct lpfc_vport *vport = NULL;
1841 struct lpfc_hba *phba;
1842 struct lpfc_sli *psli;
dea3101e 1843 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
2e0fef85 1844 struct Scsi_Host *shost = NULL;
51ef4c26 1845 void *ptr;
dea3101e 1846 unsigned long bar0map_len, bar2map_len;
98c9ea5c 1847 int error = -ENODEV, retval;
51ef4c26 1848 int i, hbq_count;
604a3e30 1849 uint16_t iotag;
dea3101e
JB		 1850
1851 if (pci_enable_device(pdev))
1852 goto out;
1853 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1854 goto out_disable_device;
1855
2e0fef85
JS		 1856 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1857 if (!phba)
dea3101e
JB		 1858 goto out_release_regions;
1859
2e0fef85 1860 spin_lock_init(&phba->hbalock);
dea3101e 1861
dea3101e
JB		 1862 phba->pcidev = pdev;
1863
1864 /* Assign an unused board number */
92d7f7b0 1865 if ((phba->brd_no = lpfc_get_instance()) < 0)
2e0fef85 1866 goto out_free_phba;
dea3101e 1867
2e0fef85 1868 INIT_LIST_HEAD(&phba->port_list);
2e0fef85
JS		 1869 /*
1870 * Get all the module params for configuring this host and then
1871 * establish the host.
1872 */
1873 lpfc_get_cfgparam(phba);
92d7f7b0 1874 phba->max_vpi = LPFC_MAX_VPI;
dea3101e
JB		 1875
1876 /* Initialize timers used by driver */
1877 init_timer(&phba->fc_estabtmo);
1878 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1879 phba->fc_estabtmo.data = (unsigned long)phba;
858c9f6c
JS		 1880
1881 init_timer(&phba->hb_tmofunc);
1882 phba->hb_tmofunc.function = lpfc_hb_timeout;
1883 phba->hb_tmofunc.data = (unsigned long)phba;
1884
dea3101e
JB		 1885 psli = &phba->sli;
1886 init_timer(&psli->mbox_tmo);
1887 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 1888 psli->mbox_tmo.data = (unsigned long) phba;
875fbdfe
JSEC		 1889 init_timer(&phba->fcp_poll_timer);
1890 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 1891 phba->fcp_poll_timer.data = (unsigned long) phba;
92d7f7b0
JS		 1892 init_timer(&phba->fabric_block_timer);
1893 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1894 phba->fabric_block_timer.data = (unsigned long) phba;
dea3101e 1895
dea3101e 1896 pci_set_master(pdev);
694625c0 1897 pci_try_set_mwi(pdev);
dea3101e
JB		 1898
1899 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1900 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1901 goto out_idr_remove;
1902
1903 /*
1904 * Get the bus address of Bar0 and Bar2 and the number of bytes
1905 * required by each mapping.
1906 */
1907 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1908 bar0map_len = pci_resource_len(phba->pcidev, 0);
1909
1910 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1911 bar2map_len = pci_resource_len(phba->pcidev, 2);
1912
901a920f 1913 /* Map HBA SLIM to a kernel virtual address. */
dea3101e 1914 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
901a920f
JW		 1915 if (!phba->slim_memmap_p) {
1916 error = -ENODEV;
1917 dev_printk(KERN_ERR, &pdev->dev,
1918 "ioremap failed for SLIM memory.\n");
1919 goto out_idr_remove;
1920 }
1921
1922 /* Map HBA Control Registers to a kernel virtual address. */
dea3101e 1923 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
901a920f
JW		 1924 if (!phba->ctrl_regs_memmap_p) {
1925 error = -ENODEV;
1926 dev_printk(KERN_ERR, &pdev->dev,
1927 "ioremap failed for HBA control registers.\n");
1928 goto out_iounmap_slim;
1929 }
dea3101e
JB		 1930
1931 /* Allocate memory for SLI-2 structures */
1932 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1933 &phba->slim2p_mapping, GFP_KERNEL);
1934 if (!phba->slim2p)
1935 goto out_iounmap;
1936
f91b392c 1937 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
dea3101e 1938
ed957684
JS		 1939 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1940 lpfc_sli_hbq_size(),
1941 &phba->hbqslimp.phys,
1942 GFP_KERNEL);
1943 if (!phba->hbqslimp.virt)
1944 goto out_free_slim;
1945
51ef4c26
JS		 1946 hbq_count = lpfc_sli_hbq_count();
1947 ptr = phba->hbqslimp.virt;
1948 for (i = 0; i < hbq_count; ++i) {
1949 phba->hbqs[i].hbq_virt = ptr;
1950 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1951 ptr += (lpfc_hbq_defs[i]->entry_count *
1952 sizeof(struct lpfc_hbq_entry));
1953 }
1954 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1955 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
1956
ed957684
JS		 1957 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1958
dea3101e
JB		 1959 /* Initialize the SLI Layer to run with lpfc HBAs. */
1960 lpfc_sli_setup(phba);
1961 lpfc_sli_queue_setup(phba);
1962
98c9ea5c
JS		 1963 retval = lpfc_mem_alloc(phba);
1964 if (retval) {
1965 error = retval;
ed957684 1966 goto out_free_hbqslimp;
98c9ea5c 1967 }
dea3101e
JB		 1968
1969 /* Initialize and populate the iocb list per host. */
1970 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1971 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
dd00cc48 1972 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e
JB		 1973 if (iocbq_entry == NULL) {
1974 printk(KERN_ERR "%s: only allocated %d iocbs of "
1975 "expected %d count. Unloading driver.\n",
1976 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1977 error = -ENOMEM;
1978 goto out_free_iocbq;
1979 }
1980
604a3e30
JB		 1981 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1982 if (iotag == 0) {
1983 kfree (iocbq_entry);
1984 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1985 "Unloading driver.\n",
1986 __FUNCTION__);
1987 error = -ENOMEM;
1988 goto out_free_iocbq;
1989 }
2e0fef85
JS		 1990
1991 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 1992 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1993 phba->total_iocbq_bufs++;
2e0fef85 1994 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 1995 }
1996
1997 /* Initialize HBA structure */
1998 phba->fc_edtov = FF_DEF_EDTOV;
1999 phba->fc_ratov = FF_DEF_RATOV;
2000 phba->fc_altov = FF_DEF_ALTOV;
2001 phba->fc_arbtov = FF_DEF_ARBTOV;
2002
2003 INIT_LIST_HEAD(&phba->work_list);
2004 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2005 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2006
2007 /* Startup the kernel thread for this host adapter. */
2008 phba->worker_thread = kthread_run(lpfc_do_work, phba,
2009 "lpfc_worker_%d", phba->brd_no);
2010 if (IS_ERR(phba->worker_thread)) {
2011 error = PTR_ERR(phba->worker_thread);
2012 goto out_free_iocbq;
2013 }
2014
dea3101e 2015 /* Initialize the list of scsi buffers used by driver for scsi IO. */
875fbdfe 2016 spin_lock_init(&phba->scsi_buf_list_lock);
dea3101e
JB		 2017 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2018
92d7f7b0
JS		 2019 /* Initialize list of fabric iocbs */
2020 INIT_LIST_HEAD(&phba->fabric_iocb_list);
2021
0ff10d46
JS		 2022 /* Initialize list to save ELS buffers */
2023 INIT_LIST_HEAD(&phba->elsbuf);
2024
3de2a653 2025 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2e0fef85
JS		 2026 if (!vport)
2027 goto out_kthread_stop;
2028
2029 shost = lpfc_shost_from_vport(vport);
2e0fef85 2030 phba->pport = vport;
858c9f6c 2031 lpfc_debugfs_initialize(vport);
2e0fef85 2032
92d7f7b0 2033 pci_set_drvdata(pdev, shost);
dea3101e 2034
4ff43246 2035 if (phba->cfg_use_msi) {
98c9ea5c
JS		 2036 retval = pci_enable_msi(phba->pcidev);
2037 if (!retval)
51ef4c26
JS		 2038 phba->using_msi = 1;
2039 else
e8b62011
JS		 2040 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2041 "0452 Enable MSI failed, continuing "
2042 "with IRQ\n");
4ff43246
JS		 2043 }
2044
98c9ea5c 2045 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2e0fef85 2046 LPFC_DRIVER_NAME, phba);
98c9ea5c 2047 if (retval) {
dea3101e 2048 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 2049 "0451 Enable interrupt handler failed\n");
98c9ea5c 2050 error = retval;
92d7f7b0 2051 goto out_disable_msi;
dea3101e 2052 }
dea3101e 2053
2e0fef85
JS		 2054 phba->MBslimaddr = phba->slim_memmap_p;
2055 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2056 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2057 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2058 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2059
98c9ea5c
JS		 2060 if (lpfc_alloc_sysfs_attr(vport)) {
2061 error = -ENOMEM;
dea3101e 2062 goto out_free_irq;
98c9ea5c 2063 }
875fbdfe 2064
98c9ea5c
JS		 2065 if (lpfc_sli_hba_setup(phba)) {
2066 error = -ENODEV;
858c9f6c 2067 goto out_remove_device;
98c9ea5c 2068 }
858c9f6c
JS		 2069
2070 /*
2071 * hba setup may have changed the hba_queue_depth so we need to adjust
2072 * the value of can_queue.
2073 */
2074 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2075
2076 lpfc_host_attrib_init(shost);
2077
2e0fef85
JS		 2078 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2079 spin_lock_irq(shost->host_lock);
2080 lpfc_poll_start_timer(phba);
2081 spin_unlock_irq(shost->host_lock);
2082 }
dea3101e 2083
858c9f6c 2084 scsi_scan_host(shost);
dea3101e 2085
dea3101e
JB		 2086 return 0;
2087
858c9f6c
JS		 2088out_remove_device:
2089 lpfc_free_sysfs_attr(vport);
2090 spin_lock_irq(shost->host_lock);
51ef4c26 2091 vport->load_flag |= FC_UNLOADING;
858c9f6c 2092 spin_unlock_irq(shost->host_lock);
dea3101e 2093out_free_irq:
92d7f7b0 2094 lpfc_stop_phba_timers(phba);
2e0fef85 2095 phba->pport->work_port_events = 0;
dea3101e 2096 free_irq(phba->pcidev->irq, phba);
92d7f7b0 2097out_disable_msi:
51ef4c26
JS		 2098 if (phba->using_msi)
2099 pci_disable_msi(phba->pcidev);
2e0fef85 2100 destroy_port(vport);
dea3101e
JB		 2101out_kthread_stop:
2102 kthread_stop(phba->worker_thread);
2103out_free_iocbq:
2104 list_for_each_entry_safe(iocbq_entry, iocbq_next,
2105 &phba->lpfc_iocb_list, list) {
dea3101e
JB		 2106 kfree(iocbq_entry);
2107 phba->total_iocbq_bufs--;
dea3101e
JB		 2108 }
2109 lpfc_mem_free(phba);
ed957684
JS		 2110out_free_hbqslimp:
2111 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2112 phba->hbqslimp.phys);
dea3101e
JB		 2113out_free_slim:
2114 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2115 phba->slim2p_mapping);
2116out_iounmap:
2117 iounmap(phba->ctrl_regs_memmap_p);
901a920f 2118out_iounmap_slim:
dea3101e
JB		 2119 iounmap(phba->slim_memmap_p);
2120out_idr_remove:
2121 idr_remove(&lpfc_hba_index, phba->brd_no);
2e0fef85
JS		 2122out_free_phba:
2123 kfree(phba);
dea3101e
JB		 2124out_release_regions:
2125 pci_release_regions(pdev);
2126out_disable_device:
2127 pci_disable_device(pdev);
2128out:
defbcf11 2129 pci_set_drvdata(pdev, NULL);
858c9f6c
JS		 2130 if (shost)
2131 scsi_host_put(shost);
dea3101e
JB		 2132 return error;
2133}
2134
2135static void __devexit
2136lpfc_pci_remove_one(struct pci_dev *pdev)
2137{
2e0fef85
JS		 2138 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2139 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2140 struct lpfc_hba *phba = vport->phba;
549e55cd 2141 spin_lock_irq(&phba->hbalock);
51ef4c26 2142 vport->load_flag |= FC_UNLOADING;
549e55cd 2143 spin_unlock_irq(&phba->hbalock);
2e0fef85 2144
858c9f6c
JS		 2145 kfree(vport->vname);
2146 lpfc_free_sysfs_attr(vport);
2147
2148 fc_remove_host(shost);
2149 scsi_remove_host(shost);
87af33fe
JS		 2150 lpfc_cleanup(vport);
2151
2e0fef85
JS		 2152 /*
2153 * Bring down the SLI Layer. This step disable all interrupts,
2154 * clears the rings, discards all mailbox commands, and resets
2155 * the HBA.
2156 */
2157 lpfc_sli_hba_down(phba);
2158 lpfc_sli_brdrestart(phba);
2159
92d7f7b0 2160 lpfc_stop_phba_timers(phba);
858c9f6c
JS		 2161 spin_lock_irq(&phba->hbalock);
2162 list_del_init(&vport->listentry);
2163 spin_unlock_irq(&phba->hbalock);
2164
858c9f6c 2165 lpfc_debugfs_terminate(vport);
2e0fef85
JS		 2166
2167 kthread_stop(phba->worker_thread);
2168
2169 /* Release the irq reservation */
2170 free_irq(phba->pcidev->irq, phba);
51ef4c26
JS		 2171 if (phba->using_msi)
2172 pci_disable_msi(phba->pcidev);
dea3101e
JB		 2173
2174 pci_set_drvdata(pdev, NULL);
858c9f6c 2175 scsi_host_put(shost);
2e0fef85
JS		 2176
2177 /*
2178 * Call scsi_free before mem_free since scsi bufs are released to their
2179 * corresponding pools here.
2180 */
2181 lpfc_scsi_free(phba);
2182 lpfc_mem_free(phba);
2183
ed957684
JS		 2184 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2185 phba->hbqslimp.phys);
2186
2e0fef85
JS		 2187 /* Free resources associated with SLI2 interface */
2188 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2189 phba->slim2p, phba->slim2p_mapping);
2190
2191 /* unmap adapter SLIM and Control Registers */
2192 iounmap(phba->ctrl_regs_memmap_p);
2193 iounmap(phba->slim_memmap_p);
2194
2195 idr_remove(&lpfc_hba_index, phba->brd_no);
2196
2197 kfree(phba);
2198
2199 pci_release_regions(pdev);
2200 pci_disable_device(pdev);
dea3101e
JB		 2201}
2202
8d63f375
LV		 2203/**
2204 * lpfc_io_error_detected - called when PCI error is detected
2205 * @pdev: Pointer to PCI device
2206 * @state: The current pci conneection state
2207 *
2208 * This function is called after a PCI bus error affecting
2209 * this device has been detected.
2210 */
2211static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2212 pci_channel_state_t state)
2213{
51ef4c26
JS		 2214 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2215 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2216 struct lpfc_sli *psli = &phba->sli;
2217 struct lpfc_sli_ring *pring;
2218
5daa49ef 2219 if (state == pci_channel_io_perm_failure)
8d63f375 2220 return PCI_ERS_RESULT_DISCONNECT;
5daa49ef 2221
8d63f375
LV		 2222 pci_disable_device(pdev);
2223 /*
2224 * There may be I/Os dropped by the firmware.
2225 * Error iocb (I/O) on txcmplq and let the SCSI layer
2226 * retry it after re-establishing link.
2227 */
2228 pring = &psli->ring[psli->fcp_ring];
2229 lpfc_sli_abort_iocb_ring(phba, pring);
2230
51ef4c26
JS		 2231 /* Release the irq reservation */
2232 free_irq(phba->pcidev->irq, phba);
2233 if (phba->using_msi)
2234 pci_disable_msi(phba->pcidev);
2235
8d63f375
LV		 2236 /* Request a slot reset. */
2237 return PCI_ERS_RESULT_NEED_RESET;
2238}
2239
2240/**
2241 * lpfc_io_slot_reset - called after the pci bus has been reset.
2242 * @pdev: Pointer to PCI device
2243 *
2244 * Restart the card from scratch, as if from a cold-boot.
2245 */
2246static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2247{
51ef4c26
JS		 2248 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2249 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2250 struct lpfc_sli *psli = &phba->sli;
2251 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2252
2253 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2254 if (pci_enable_device_bars(pdev, bars)) {
2255 printk(KERN_ERR "lpfc: Cannot re-enable "
2256 "PCI device after reset.\n");
2257 return PCI_ERS_RESULT_DISCONNECT;
2258 }
2259
2260 pci_set_master(pdev);
2261
2262 /* Re-establishing Link */
51ef4c26 2263 spin_lock_irq(shost->host_lock);
92d7f7b0 2264 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
51ef4c26 2265 spin_unlock_irq(shost->host_lock);
8d63f375 2266
92d7f7b0 2267 spin_lock_irq(&phba->hbalock);
8d63f375 2268 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
92d7f7b0 2269 spin_unlock_irq(&phba->hbalock);
8d63f375
LV		 2270
2271
2272 /* Take device offline; this will perform cleanup */
2273 lpfc_offline(phba);
2274 lpfc_sli_brdrestart(phba);
2275
2276 return PCI_ERS_RESULT_RECOVERED;
2277}
2278
2279/**
2280 * lpfc_io_resume - called when traffic can start flowing again.
2281 * @pdev: Pointer to PCI device
2282 *
2283 * This callback is called when the error recovery driver tells us that
2284 * its OK to resume normal operation.
2285 */
2286static void lpfc_io_resume(struct pci_dev *pdev)
2287{
51ef4c26
JS		 2288 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2289 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8d63f375
LV		 2290
2291 if (lpfc_online(phba) == 0) {
2292 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2293 }
2294}
2295
dea3101e
JB		 2296static struct pci_device_id lpfc_id_table[] = {
2297 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2298 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 2299 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2300 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2301 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2302 PCI_ANY_ID, PCI_ANY_ID, },
2303 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2304 PCI_ANY_ID, PCI_ANY_ID, },
2305 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2306 PCI_ANY_ID, PCI_ANY_ID, },
2307 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2308 PCI_ANY_ID, PCI_ANY_ID, },
2309 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2310 PCI_ANY_ID, PCI_ANY_ID, },
2311 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2312 PCI_ANY_ID, PCI_ANY_ID, },
2313 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2314 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2315 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2316 PCI_ANY_ID, PCI_ANY_ID, },
2317 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2318 PCI_ANY_ID, PCI_ANY_ID, },
2319 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2320 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2321 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2322 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2323 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2324 PCI_ANY_ID, PCI_ANY_ID, },
2325 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2326 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2327 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2328 PCI_ANY_ID, PCI_ANY_ID, },
2329 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2330 PCI_ANY_ID, PCI_ANY_ID, },
2331 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2332 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2333 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2334 PCI_ANY_ID, PCI_ANY_ID, },
2335 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2336 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2337 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2338 PCI_ANY_ID, PCI_ANY_ID, },
2339 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2340 PCI_ANY_ID, PCI_ANY_ID, },
2341 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2342 PCI_ANY_ID, PCI_ANY_ID, },
2343 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2344 PCI_ANY_ID, PCI_ANY_ID, },
2345 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2346 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 2347 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2348 PCI_ANY_ID, PCI_ANY_ID, },
2349 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2350 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 2351 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2352 PCI_ANY_ID, PCI_ANY_ID, },
2353 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2354 PCI_ANY_ID, PCI_ANY_ID, },
2355 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2356 PCI_ANY_ID, PCI_ANY_ID, },
2357 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2358 PCI_ANY_ID, PCI_ANY_ID, },
2359 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2360 PCI_ANY_ID, PCI_ANY_ID, },
2361 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2362 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 2363 { 0 }
2364};
2365
2366MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2367
8d63f375
LV		 2368static struct pci_error_handlers lpfc_err_handler = {
2369 .error_detected = lpfc_io_error_detected,
2370 .slot_reset = lpfc_io_slot_reset,
2371 .resume = lpfc_io_resume,
2372};
2373
dea3101e
JB		 2374static struct pci_driver lpfc_driver = {
2375 .name = LPFC_DRIVER_NAME,
2376 .id_table = lpfc_id_table,
2377 .probe = lpfc_pci_probe_one,
2378 .remove = __devexit_p(lpfc_pci_remove_one),
2e0fef85 2379 .err_handler = &lpfc_err_handler,
dea3101e
JB		 2380};
2381
2382static int __init
2383lpfc_init(void)
2384{
2385 int error = 0;
2386
2387 printk(LPFC_MODULE_DESC "\n");
c44ce173 2388 printk(LPFC_COPYRIGHT "\n");
dea3101e 2389
7ee5d43e
JS		 2390 if (lpfc_enable_npiv) {
2391 lpfc_transport_functions.vport_create = lpfc_vport_create;
2392 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2393 }
dea3101e
JB		 2394 lpfc_transport_template =
2395 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 2396 if (lpfc_transport_template == NULL)
dea3101e 2397 return -ENOMEM;
7ee5d43e 2398 if (lpfc_enable_npiv) {
7ee5d43e 2399 lpfc_vport_transport_template =
98c9ea5c
JS		 2400 fc_attach_transport(&lpfc_vport_transport_functions);
2401 if (lpfc_vport_transport_template == NULL) {
2402 fc_release_transport(lpfc_transport_template);
7ee5d43e 2403 return -ENOMEM;
98c9ea5c 2404 }
7ee5d43e 2405 }
dea3101e 2406 error = pci_register_driver(&lpfc_driver);
92d7f7b0 2407 if (error) {
dea3101e 2408 fc_release_transport(lpfc_transport_template);
92d7f7b0
JS		 2409 fc_release_transport(lpfc_vport_transport_template);
2410 }
dea3101e
JB		 2411
2412 return error;
2413}
2414
2415static void __exit
2416lpfc_exit(void)
2417{
2418 pci_unregister_driver(&lpfc_driver);
2419 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 2420 if (lpfc_enable_npiv)
2421 fc_release_transport(lpfc_vport_transport_template);
dea3101e
JB		 2422}
2423
2424module_init(lpfc_init);
2425module_exit(lpfc_exit);
2426MODULE_LICENSE("GPL");
2427MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2428MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2429MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
kernel source for telekom puls (alcatel/mediatek)