Commit | Line | Data |
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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 | 47 | static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); |
dea3101e | 48 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
49 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
50 | ||
51 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 52 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 53 | static DEFINE_IDR(lpfc_hba_index); |
54 | ||
e59058c4 JS |
55 | /** |
56 | * lpfc_config_port_prep: Perform lpfc initialization prior to config port. | |
57 | * @phba: pointer to lpfc hba data structure. | |
58 | * | |
59 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
60 | * mailbox command. It retrieves the revision information from the HBA and | |
61 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
62 | * configuration of the HBA. | |
63 | * | |
64 | * Return codes: | |
65 | * 0 - success. | |
66 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
67 | * Any other value - indicates an error. | |
68 | **/ | |
dea3101e | 69 | int |
2e0fef85 | 70 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e | 71 | { |
72 | lpfc_vpd_t *vp = &phba->vpd; | |
73 | int i = 0, rc; | |
74 | LPFC_MBOXQ_t *pmb; | |
75 | MAILBOX_t *mb; | |
76 | char *lpfc_vpd_data = NULL; | |
77 | uint16_t offset = 0; | |
78 | static char licensed[56] = | |
79 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 80 | static int init_key = 1; |
dea3101e | 81 | |
82 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
83 | if (!pmb) { | |
2e0fef85 | 84 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 85 | return -ENOMEM; |
86 | } | |
87 | ||
88 | mb = &pmb->mb; | |
2e0fef85 | 89 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 90 | |
91 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
92 | if (init_key) { |
93 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 94 | |
65a29c16 JS |
95 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
96 | *ptext = cpu_to_be32(*ptext); | |
97 | init_key = 0; | |
98 | } | |
dea3101e | 99 | |
100 | lpfc_read_nv(phba, pmb); | |
101 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
102 | sizeof (mb->un.varRDnvp.rsvd3)); | |
103 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
104 | sizeof (licensed)); | |
105 | ||
106 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
107 | ||
108 | if (rc != MBX_SUCCESS) { | |
ed957684 | 109 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 110 | "0324 Config Port initialization " |
dea3101e | 111 | "error, mbxCmd x%x READ_NVPARM, " |
112 | "mbxStatus x%x\n", | |
dea3101e | 113 | mb->mbxCommand, mb->mbxStatus); |
114 | mempool_free(pmb, phba->mbox_mem_pool); | |
115 | return -ERESTART; | |
116 | } | |
117 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
118 | sizeof(phba->wwnn)); |
119 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
120 | sizeof(phba->wwpn)); | |
dea3101e | 121 | } |
122 | ||
92d7f7b0 JS |
123 | phba->sli3_options = 0x0; |
124 | ||
dea3101e | 125 | /* Setup and issue mailbox READ REV command */ |
126 | lpfc_read_rev(phba, pmb); | |
127 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
128 | if (rc != MBX_SUCCESS) { | |
ed957684 | 129 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 130 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 131 | "READ_REV, mbxStatus x%x\n", |
dea3101e | 132 | mb->mbxCommand, mb->mbxStatus); |
133 | mempool_free( pmb, phba->mbox_mem_pool); | |
134 | return -ERESTART; | |
135 | } | |
136 | ||
92d7f7b0 | 137 | |
1de933f3 JSEC |
138 | /* |
139 | * The value of rr must be 1 since the driver set the cv field to 1. | |
140 | * This setting requires the FW to set all revision fields. | |
dea3101e | 141 | */ |
1de933f3 | 142 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 143 | vp->rev.rBit = 0; |
1de933f3 | 144 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
145 | "0440 Adapter failed to init, READ_REV has " |
146 | "missing revision information.\n"); | |
dea3101e | 147 | mempool_free(pmb, phba->mbox_mem_pool); |
148 | return -ERESTART; | |
dea3101e | 149 | } |
150 | ||
495a714c JS |
151 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
152 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 153 | return -EINVAL; |
495a714c | 154 | } |
ed957684 | 155 | |
dea3101e | 156 | /* Save information as VPD data */ |
1de933f3 | 157 | vp->rev.rBit = 1; |
92d7f7b0 | 158 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
159 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
160 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
161 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
162 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e | 163 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
164 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
165 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
166 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
167 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
168 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
169 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
170 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
171 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
172 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
173 | ||
92d7f7b0 JS |
174 | /* If the sli feature level is less then 9, we must |
175 | * tear down all RPIs and VPIs on link down if NPIV | |
176 | * is enabled. | |
177 | */ | |
178 | if (vp->rev.feaLevelHigh < 9) | |
179 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
180 | ||
dea3101e | 181 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
182 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
183 | sizeof (phba->RandomData)); | |
184 | ||
dea3101e | 185 | /* Get adapter VPD information */ |
dea3101e | 186 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
187 | if (!lpfc_vpd_data) | |
d7c255b2 | 188 | goto out_free_mbox; |
dea3101e | 189 | |
190 | do { | |
191 | lpfc_dump_mem(phba, pmb, offset); | |
192 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
193 | ||
194 | if (rc != MBX_SUCCESS) { | |
195 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 196 | "0441 VPD not present on adapter, " |
dea3101e | 197 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 198 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 199 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 200 | } |
74b72a59 JW |
201 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
202 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
203 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
204 | lpfc_vpd_data + offset, | |
92d7f7b0 | 205 | mb->un.varDmp.word_cnt); |
dea3101e | 206 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
207 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
208 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e | 209 | |
210 | kfree(lpfc_vpd_data); | |
dea3101e | 211 | out_free_mbox: |
212 | mempool_free(pmb, phba->mbox_mem_pool); | |
213 | return 0; | |
214 | } | |
215 | ||
e59058c4 JS |
216 | /** |
217 | * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd. | |
218 | * @phba: pointer to lpfc hba data structure. | |
219 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
220 | * | |
221 | * This is the completion handler for driver's configuring asynchronous event | |
222 | * mailbox command to the device. If the mailbox command returns successfully, | |
223 | * it will set internal async event support flag to 1; otherwise, it will | |
224 | * set internal async event support flag to 0. | |
225 | **/ | |
57127f15 JS |
226 | static void |
227 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
228 | { | |
229 | if (pmboxq->mb.mbxStatus == MBX_SUCCESS) | |
230 | phba->temp_sensor_support = 1; | |
231 | else | |
232 | phba->temp_sensor_support = 0; | |
233 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
234 | return; | |
235 | } | |
236 | ||
e59058c4 JS |
237 | /** |
238 | * lpfc_config_port_post: Perform lpfc initialization after config port. | |
239 | * @phba: pointer to lpfc hba data structure. | |
240 | * | |
241 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
242 | * command call. It performs all internal resource and state setups on the | |
243 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
244 | * ELS ring timers, etc. | |
245 | * | |
246 | * Return codes | |
247 | * 0 - success. | |
248 | * Any other value - error. | |
249 | **/ | |
dea3101e | 250 | int |
2e0fef85 | 251 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 252 | { |
2e0fef85 | 253 | struct lpfc_vport *vport = phba->pport; |
dea3101e | 254 | LPFC_MBOXQ_t *pmb; |
255 | MAILBOX_t *mb; | |
256 | struct lpfc_dmabuf *mp; | |
257 | struct lpfc_sli *psli = &phba->sli; | |
258 | uint32_t status, timeout; | |
2e0fef85 JS |
259 | int i, j; |
260 | int rc; | |
dea3101e | 261 | |
7af67051 JS |
262 | spin_lock_irq(&phba->hbalock); |
263 | /* | |
264 | * If the Config port completed correctly the HBA is not | |
265 | * over heated any more. | |
266 | */ | |
267 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
268 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
269 | spin_unlock_irq(&phba->hbalock); | |
270 | ||
dea3101e | 271 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
272 | if (!pmb) { | |
2e0fef85 | 273 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 274 | return -ENOMEM; |
275 | } | |
276 | mb = &pmb->mb; | |
277 | ||
dea3101e | 278 | /* Get login parameters for NID. */ |
92d7f7b0 | 279 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 280 | pmb->vport = vport; |
dea3101e | 281 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 282 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 283 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 284 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 285 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 286 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 287 | mp = (struct lpfc_dmabuf *) pmb->context1; |
288 | mempool_free( pmb, phba->mbox_mem_pool); | |
289 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
290 | kfree(mp); | |
291 | return -EIO; | |
292 | } | |
293 | ||
294 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
295 | ||
2e0fef85 | 296 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e | 297 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
298 | kfree(mp); | |
299 | pmb->context1 = NULL; | |
300 | ||
a12e07bc | 301 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
302 | u64_to_wwn(phba->cfg_soft_wwnn, |
303 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 304 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
305 | u64_to_wwn(phba->cfg_soft_wwpn, |
306 | vport->fc_sparam.portName.u.wwn); | |
307 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 308 | sizeof (struct lpfc_name)); |
2e0fef85 | 309 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e | 310 | sizeof (struct lpfc_name)); |
311 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ | |
312 | /* This should be consolidated into parse_vpd ? - mr */ | |
313 | if (phba->SerialNumber[0] == 0) { | |
314 | uint8_t *outptr; | |
315 | ||
2e0fef85 | 316 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e | 317 | for (i = 0; i < 12; i++) { |
318 | status = *outptr++; | |
319 | j = ((status & 0xf0) >> 4); | |
320 | if (j <= 9) | |
321 | phba->SerialNumber[i] = | |
322 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
323 | else | |
324 | phba->SerialNumber[i] = | |
325 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
326 | i++; | |
327 | j = (status & 0xf); | |
328 | if (j <= 9) | |
329 | phba->SerialNumber[i] = | |
330 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
331 | else | |
332 | phba->SerialNumber[i] = | |
333 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
334 | } | |
335 | } | |
336 | ||
dea3101e | 337 | lpfc_read_config(phba, pmb); |
ed957684 | 338 | pmb->vport = vport; |
dea3101e | 339 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 340 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 341 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 342 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 343 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 344 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 345 | mempool_free( pmb, phba->mbox_mem_pool); |
346 | return -EIO; | |
347 | } | |
348 | ||
349 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
350 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
351 | phba->cfg_hba_queue_depth = | |
352 | mb->un.varRdConfig.max_xri + 1; | |
353 | ||
354 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
355 | |
356 | /* Get the default values for Model Name and Description */ | |
357 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
358 | ||
359 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
360 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
361 | && !(phba->lmt & LMT_1Gb)) | |
362 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
363 | && !(phba->lmt & LMT_2Gb)) | |
364 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
365 | && !(phba->lmt & LMT_4Gb)) | |
366 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
367 | && !(phba->lmt & LMT_8Gb)) | |
368 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
369 | && !(phba->lmt & LMT_10Gb))) { | |
370 | /* Reset link speed to auto */ | |
ed957684 | 371 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 372 | "1302 Invalid speed for this board: " |
dea3101e | 373 | "Reset link speed to auto: x%x\n", |
dea3101e | 374 | phba->cfg_link_speed); |
375 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
376 | } | |
377 | ||
2e0fef85 | 378 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 379 | |
0b727fea | 380 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
381 | if (psli->ring[psli->extra_ring].cmdringaddr) |
382 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e | 383 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
384 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
385 | if (psli->ring[psli->next_ring].cmdringaddr) | |
386 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
387 | ||
388 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
389 | if (phba->sli_rev != 3) |
390 | lpfc_post_rcv_buf(phba); | |
dea3101e | 391 | |
392 | /* Enable appropriate host interrupts */ | |
2e0fef85 | 393 | spin_lock_irq(&phba->hbalock); |
dea3101e | 394 | status = readl(phba->HCregaddr); |
395 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
396 | if (psli->num_rings > 0) | |
397 | status |= HC_R0INT_ENA; | |
398 | if (psli->num_rings > 1) | |
399 | status |= HC_R1INT_ENA; | |
400 | if (psli->num_rings > 2) | |
401 | status |= HC_R2INT_ENA; | |
402 | if (psli->num_rings > 3) | |
403 | status |= HC_R3INT_ENA; | |
404 | ||
875fbdfe JSEC |
405 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
406 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
407 | status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
408 | ||
dea3101e | 409 | writel(status, phba->HCregaddr); |
410 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 411 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 412 | |
413 | /* | |
414 | * Setup the ring 0 (els) timeout handler | |
415 | */ | |
416 | timeout = phba->fc_ratov << 1; | |
2e0fef85 | 417 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
858c9f6c JS |
418 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
419 | phba->hb_outstanding = 0; | |
420 | phba->last_completion_time = jiffies; | |
dea3101e | 421 | |
422 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
423 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
5b8bd0c9 | 424 | lpfc_set_loopback_flag(phba); |
d7c255b2 | 425 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
8aee918a | 426 | if (rc != MBX_SUCCESS) { |
ed957684 | 427 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 428 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 429 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e | 430 | mb->mbxCommand, mb->mbxStatus); |
431 | ||
432 | /* Clear all interrupt enable conditions */ | |
433 | writel(0, phba->HCregaddr); | |
434 | readl(phba->HCregaddr); /* flush */ | |
435 | /* Clear all pending interrupts */ | |
436 | writel(0xffffffff, phba->HAregaddr); | |
437 | readl(phba->HAregaddr); /* flush */ | |
438 | ||
2e0fef85 | 439 | phba->link_state = LPFC_HBA_ERROR; |
8aee918a JS |
440 | if (rc != MBX_BUSY) |
441 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 442 | return -EIO; |
443 | } | |
444 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
445 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
446 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
447 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
448 | pmb->vport = phba->pport; | |
449 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 450 | |
57127f15 JS |
451 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
452 | lpfc_printf_log(phba, | |
453 | KERN_ERR, | |
454 | LOG_INIT, | |
455 | "0456 Adapter failed to issue " | |
456 | "ASYNCEVT_ENABLE mbox status x%x \n.", | |
457 | rc); | |
458 | mempool_free(pmb, phba->mbox_mem_pool); | |
459 | } | |
d7c255b2 | 460 | return 0; |
ce8b3ce5 JS |
461 | } |
462 | ||
e59058c4 JS |
463 | /** |
464 | * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset. | |
465 | * @phba: pointer to lpfc HBA data structure. | |
466 | * | |
467 | * This routine will do LPFC uninitialization before the HBA is reset when | |
468 | * bringing down the SLI Layer. | |
469 | * | |
470 | * Return codes | |
471 | * 0 - success. | |
472 | * Any other value - error. | |
473 | **/ | |
dea3101e | 474 | int |
2e0fef85 | 475 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 476 | { |
1b32f6aa JS |
477 | struct lpfc_vport **vports; |
478 | int i; | |
dea3101e | 479 | /* Disable interrupts */ |
480 | writel(0, phba->HCregaddr); | |
481 | readl(phba->HCregaddr); /* flush */ | |
482 | ||
1b32f6aa JS |
483 | if (phba->pport->load_flag & FC_UNLOADING) |
484 | lpfc_cleanup_discovery_resources(phba->pport); | |
485 | else { | |
486 | vports = lpfc_create_vport_work_array(phba); | |
487 | if (vports != NULL) | |
488 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) | |
489 | lpfc_cleanup_discovery_resources(vports[i]); | |
490 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
491 | } |
492 | return 0; | |
dea3101e | 493 | } |
494 | ||
e59058c4 JS |
495 | /** |
496 | * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset. | |
497 | * @phba: pointer to lpfc HBA data structure. | |
498 | * | |
499 | * This routine will do uninitialization after the HBA is reset when bring | |
500 | * down the SLI Layer. | |
501 | * | |
502 | * Return codes | |
503 | * 0 - sucess. | |
504 | * Any other value - error. | |
505 | **/ | |
41415862 | 506 | int |
2e0fef85 | 507 | lpfc_hba_down_post(struct lpfc_hba *phba) |
41415862 JW |
508 | { |
509 | struct lpfc_sli *psli = &phba->sli; | |
510 | struct lpfc_sli_ring *pring; | |
511 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 JS |
512 | struct lpfc_iocbq *iocb; |
513 | IOCB_t *cmd = NULL; | |
514 | LIST_HEAD(completions); | |
41415862 JW |
515 | int i; |
516 | ||
92d7f7b0 JS |
517 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
518 | lpfc_sli_hbqbuf_free_all(phba); | |
519 | else { | |
520 | /* Cleanup preposted buffers on the ELS ring */ | |
521 | pring = &psli->ring[LPFC_ELS_RING]; | |
522 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
523 | list_del(&mp->list); | |
524 | pring->postbufq_cnt--; | |
525 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
526 | kfree(mp); | |
527 | } | |
41415862 JW |
528 | } |
529 | ||
09372820 | 530 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
531 | for (i = 0; i < psli->num_rings; i++) { |
532 | pring = &psli->ring[i]; | |
09372820 JS |
533 | |
534 | /* At this point in time the HBA is either reset or DOA. Either | |
535 | * way, nothing should be on txcmplq as it will NEVER complete. | |
536 | */ | |
537 | list_splice_init(&pring->txcmplq, &completions); | |
538 | pring->txcmplq_cnt = 0; | |
539 | spin_unlock_irq(&phba->hbalock); | |
540 | ||
541 | while (!list_empty(&completions)) { | |
542 | iocb = list_get_first(&completions, struct lpfc_iocbq, | |
543 | list); | |
544 | cmd = &iocb->iocb; | |
545 | list_del_init(&iocb->list); | |
546 | ||
547 | if (!iocb->iocb_cmpl) | |
548 | lpfc_sli_release_iocbq(phba, iocb); | |
549 | else { | |
550 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
551 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
552 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
553 | } | |
554 | } | |
555 | ||
41415862 | 556 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 557 | spin_lock_irq(&phba->hbalock); |
41415862 | 558 | } |
09372820 | 559 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
560 | |
561 | return 0; | |
562 | } | |
563 | ||
e59058c4 JS |
564 | /** |
565 | * lpfc_hb_timeout: The HBA-timer timeout handler. | |
566 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
567 | * | |
568 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
569 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
570 | * work-port-events bitmap and the worker thread is notified. This timeout | |
571 | * event will be used by the worker thread to invoke the actual timeout | |
572 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
573 | * be performed in the timeout handler and the HBA timeout event bit shall | |
574 | * be cleared by the worker thread after it has taken the event bitmap out. | |
575 | **/ | |
a6ababd2 | 576 | static void |
858c9f6c JS |
577 | lpfc_hb_timeout(unsigned long ptr) |
578 | { | |
579 | struct lpfc_hba *phba; | |
5e9d9b82 | 580 | uint32_t tmo_posted; |
858c9f6c JS |
581 | unsigned long iflag; |
582 | ||
583 | phba = (struct lpfc_hba *)ptr; | |
584 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
5e9d9b82 JS |
585 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
586 | if (!tmo_posted) | |
858c9f6c JS |
587 | phba->pport->work_port_events |= WORKER_HB_TMO; |
588 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
589 | ||
5e9d9b82 JS |
590 | if (!tmo_posted) |
591 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
592 | return; |
593 | } | |
594 | ||
e59058c4 JS |
595 | /** |
596 | * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function. | |
597 | * @phba: pointer to lpfc hba data structure. | |
598 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
599 | * | |
600 | * This is the callback function to the lpfc heart-beat mailbox command. | |
601 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
602 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
603 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
604 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
605 | * heart-beat outstanding state. Once the mailbox command comes back and | |
606 | * no error conditions detected, the heart-beat mailbox command timer is | |
607 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
608 | * state is cleared for the next heart-beat. If the timer expired with the | |
609 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
610 | **/ | |
858c9f6c JS |
611 | static void |
612 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
613 | { | |
614 | unsigned long drvr_flag; | |
615 | ||
616 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
617 | phba->hb_outstanding = 0; | |
618 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
619 | ||
620 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
621 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
622 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 623 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
624 | mod_timer(&phba->hb_tmofunc, |
625 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
626 | return; | |
627 | } | |
628 | ||
e59058c4 JS |
629 | /** |
630 | * lpfc_hb_timeout_handler: The HBA-timer timeout handler. | |
631 | * @phba: pointer to lpfc hba data structure. | |
632 | * | |
633 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
634 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
635 | * handler performs any periodic operations needed for the device. If such | |
636 | * periodic event has already been attended to either in the interrupt handler | |
637 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
638 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
639 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
640 | * is configured and there is no heart-beat mailbox command outstanding, a | |
641 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
642 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
643 | * to offline. | |
644 | **/ | |
858c9f6c JS |
645 | void |
646 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
647 | { | |
648 | LPFC_MBOXQ_t *pmboxq; | |
0ff10d46 | 649 | struct lpfc_dmabuf *buf_ptr; |
858c9f6c JS |
650 | int retval; |
651 | struct lpfc_sli *psli = &phba->sli; | |
0ff10d46 | 652 | LIST_HEAD(completions); |
858c9f6c JS |
653 | |
654 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
51ef4c26 | 655 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
656 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
657 | return; | |
658 | ||
659 | spin_lock_irq(&phba->pport->work_port_lock); | |
660 | /* If the timer is already canceled do nothing */ | |
661 | if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { | |
662 | spin_unlock_irq(&phba->pport->work_port_lock); | |
663 | return; | |
664 | } | |
665 | ||
666 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
667 | jiffies)) { | |
668 | spin_unlock_irq(&phba->pport->work_port_lock); | |
669 | if (!phba->hb_outstanding) | |
670 | mod_timer(&phba->hb_tmofunc, | |
671 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
672 | else | |
673 | mod_timer(&phba->hb_tmofunc, | |
674 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
675 | return; | |
676 | } | |
677 | spin_unlock_irq(&phba->pport->work_port_lock); | |
678 | ||
0ff10d46 JS |
679 | if (phba->elsbuf_cnt && |
680 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
681 | spin_lock_irq(&phba->hbalock); | |
682 | list_splice_init(&phba->elsbuf, &completions); | |
683 | phba->elsbuf_cnt = 0; | |
684 | phba->elsbuf_prev_cnt = 0; | |
685 | spin_unlock_irq(&phba->hbalock); | |
686 | ||
687 | while (!list_empty(&completions)) { | |
688 | list_remove_head(&completions, buf_ptr, | |
689 | struct lpfc_dmabuf, list); | |
690 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
691 | kfree(buf_ptr); | |
692 | } | |
693 | } | |
694 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
695 | ||
858c9f6c | 696 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
697 | if (phba->cfg_enable_hba_heartbeat) { |
698 | if (!phba->hb_outstanding) { | |
699 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
700 | if (!pmboxq) { | |
701 | mod_timer(&phba->hb_tmofunc, | |
702 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
703 | return; | |
704 | } | |
858c9f6c | 705 | |
13815c83 JS |
706 | lpfc_heart_beat(phba, pmboxq); |
707 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
708 | pmboxq->vport = phba->pport; | |
709 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 710 | |
13815c83 JS |
711 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
712 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
713 | mod_timer(&phba->hb_tmofunc, | |
714 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
715 | return; | |
716 | } | |
858c9f6c | 717 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
718 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
719 | phba->hb_outstanding = 1; | |
858c9f6c | 720 | return; |
13815c83 JS |
721 | } else { |
722 | /* | |
723 | * If heart beat timeout called with hb_outstanding set | |
724 | * we need to take the HBA offline. | |
725 | */ | |
726 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
727 | "0459 Adapter heartbeat failure, " | |
728 | "taking this port offline.\n"); | |
729 | ||
730 | spin_lock_irq(&phba->hbalock); | |
731 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
732 | spin_unlock_irq(&phba->hbalock); | |
733 | ||
734 | lpfc_offline_prep(phba); | |
735 | lpfc_offline(phba); | |
736 | lpfc_unblock_mgmt_io(phba); | |
737 | phba->link_state = LPFC_HBA_ERROR; | |
738 | lpfc_hba_down_post(phba); | |
858c9f6c | 739 | } |
858c9f6c JS |
740 | } |
741 | } | |
742 | ||
e59058c4 JS |
743 | /** |
744 | * lpfc_offline_eratt: Bring lpfc offline on hardware error attention. | |
745 | * @phba: pointer to lpfc hba data structure. | |
746 | * | |
747 | * This routine is called to bring the HBA offline when HBA hardware error | |
748 | * other than Port Error 6 has been detected. | |
749 | **/ | |
09372820 JS |
750 | static void |
751 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
752 | { | |
753 | struct lpfc_sli *psli = &phba->sli; | |
754 | ||
755 | spin_lock_irq(&phba->hbalock); | |
756 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
757 | spin_unlock_irq(&phba->hbalock); | |
758 | lpfc_offline_prep(phba); | |
759 | ||
760 | lpfc_offline(phba); | |
761 | lpfc_reset_barrier(phba); | |
762 | lpfc_sli_brdreset(phba); | |
763 | lpfc_hba_down_post(phba); | |
764 | lpfc_sli_brdready(phba, HS_MBRDY); | |
765 | lpfc_unblock_mgmt_io(phba); | |
766 | phba->link_state = LPFC_HBA_ERROR; | |
767 | return; | |
768 | } | |
769 | ||
e59058c4 JS |
770 | /** |
771 | * lpfc_handle_eratt: The HBA hardware error handler. | |
772 | * @phba: pointer to lpfc hba data structure. | |
773 | * | |
774 | * This routine is invoked to handle the following HBA hardware error | |
775 | * conditions: | |
776 | * 1 - HBA error attention interrupt | |
777 | * 2 - DMA ring index out of range | |
778 | * 3 - Mailbox command came back as unknown | |
779 | **/ | |
dea3101e | 780 | void |
2e0fef85 | 781 | lpfc_handle_eratt(struct lpfc_hba *phba) |
dea3101e | 782 | { |
2e0fef85 | 783 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 784 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 785 | struct lpfc_sli_ring *pring; |
d2873e4c | 786 | uint32_t event_data; |
57127f15 JS |
787 | unsigned long temperature; |
788 | struct temp_event temp_event_data; | |
92d7f7b0 | 789 | struct Scsi_Host *shost; |
2e0fef85 | 790 | |
8d63f375 LV |
791 | /* If the pci channel is offline, ignore possible errors, |
792 | * since we cannot communicate with the pci card anyway. */ | |
793 | if (pci_channel_offline(phba->pcidev)) | |
794 | return; | |
13815c83 JS |
795 | /* If resets are disabled then leave the HBA alone and return */ |
796 | if (!phba->cfg_enable_hba_reset) | |
797 | return; | |
dea3101e | 798 | |
97eab634 | 799 | if (phba->work_hs & HS_FFER6) { |
dea3101e | 800 | /* Re-establishing Link */ |
801 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 802 | "1301 Re-establishing Link " |
dea3101e | 803 | "Data: x%x x%x x%x\n", |
e8b62011 | 804 | phba->work_hs, |
dea3101e | 805 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 806 | |
92d7f7b0 | 807 | spin_lock_irq(&phba->hbalock); |
9290831f | 808 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 809 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 810 | |
811 | /* | |
812 | * Firmware stops when it triggled erratt with HS_FFER6. | |
813 | * That could cause the I/Os dropped by the firmware. | |
814 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
815 | * retry it after re-establishing link. | |
816 | */ | |
817 | pring = &psli->ring[psli->fcp_ring]; | |
818 | lpfc_sli_abort_iocb_ring(phba, pring); | |
819 | ||
dea3101e | 820 | /* |
821 | * There was a firmware error. Take the hba offline and then | |
822 | * attempt to restart it. | |
823 | */ | |
46fa311e | 824 | lpfc_offline_prep(phba); |
dea3101e | 825 | lpfc_offline(phba); |
41415862 | 826 | lpfc_sli_brdrestart(phba); |
dea3101e | 827 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 828 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 829 | return; |
830 | } | |
46fa311e | 831 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
832 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
833 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
834 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
835 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
836 | temp_event_data.data = (uint32_t)temperature; | |
837 | ||
838 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 839 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
840 | "(%ld), taking this port offline " |
841 | "Data: x%x x%x x%x\n", | |
842 | temperature, phba->work_hs, | |
843 | phba->work_status[0], phba->work_status[1]); | |
844 | ||
845 | shost = lpfc_shost_from_vport(phba->pport); | |
846 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
847 | sizeof(temp_event_data), | |
848 | (char *) &temp_event_data, | |
849 | SCSI_NL_VID_TYPE_PCI | |
850 | | PCI_VENDOR_ID_EMULEX); | |
851 | ||
7af67051 | 852 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
853 | phba->over_temp_state = HBA_OVER_TEMP; |
854 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 855 | lpfc_offline_eratt(phba); |
57127f15 | 856 | |
dea3101e | 857 | } else { |
858 | /* The if clause above forces this code path when the status | |
859 | * failure is a value other than FFER6. Do not call the offline | |
860 | * twice. This is the adapter hardware error path. | |
861 | */ | |
862 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 863 | "0457 Adapter Hardware Error " |
dea3101e | 864 | "Data: x%x x%x x%x\n", |
e8b62011 | 865 | phba->work_hs, |
dea3101e | 866 | phba->work_status[0], phba->work_status[1]); |
867 | ||
d2873e4c | 868 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 869 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 870 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
871 | sizeof(event_data), (char *) &event_data, |
872 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
873 | ||
09372820 | 874 | lpfc_offline_eratt(phba); |
dea3101e | 875 | } |
876 | } | |
877 | ||
e59058c4 JS |
878 | /** |
879 | * lpfc_handle_latt: The HBA link event handler. | |
880 | * @phba: pointer to lpfc hba data structure. | |
881 | * | |
882 | * This routine is invoked from the worker thread to handle a HBA host | |
883 | * attention link event. | |
884 | **/ | |
dea3101e | 885 | void |
2e0fef85 | 886 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 887 | { |
2e0fef85 JS |
888 | struct lpfc_vport *vport = phba->pport; |
889 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e | 890 | LPFC_MBOXQ_t *pmb; |
891 | volatile uint32_t control; | |
892 | struct lpfc_dmabuf *mp; | |
09372820 | 893 | int rc = 0; |
dea3101e | 894 | |
895 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
896 | if (!pmb) { |
897 | rc = 1; | |
dea3101e | 898 | goto lpfc_handle_latt_err_exit; |
09372820 | 899 | } |
dea3101e | 900 | |
901 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
902 | if (!mp) { |
903 | rc = 2; | |
dea3101e | 904 | goto lpfc_handle_latt_free_pmb; |
09372820 | 905 | } |
dea3101e | 906 | |
907 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
908 | if (!mp->virt) { |
909 | rc = 3; | |
dea3101e | 910 | goto lpfc_handle_latt_free_mp; |
09372820 | 911 | } |
dea3101e | 912 | |
6281bfe0 | 913 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 914 | lpfc_els_flush_all_cmd(phba); |
dea3101e | 915 | |
916 | psli->slistat.link_event++; | |
917 | lpfc_read_la(phba, pmb, mp); | |
918 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 919 | pmb->vport = vport; |
0d2b6b83 JS |
920 | /* Block ELS IOCBs until we have processed this mbox command */ |
921 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 922 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
923 | if (rc == MBX_NOT_FINISHED) { |
924 | rc = 4; | |
14691150 | 925 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 926 | } |
dea3101e | 927 | |
928 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 929 | spin_lock_irq(&phba->hbalock); |
dea3101e | 930 | writel(HA_LATT, phba->HAregaddr); |
931 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 932 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 933 | |
934 | return; | |
935 | ||
14691150 | 936 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 937 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 938 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 939 | lpfc_handle_latt_free_mp: |
940 | kfree(mp); | |
941 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 942 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 943 | lpfc_handle_latt_err_exit: |
944 | /* Enable Link attention interrupts */ | |
2e0fef85 | 945 | spin_lock_irq(&phba->hbalock); |
dea3101e | 946 | psli->sli_flag |= LPFC_PROCESS_LA; |
947 | control = readl(phba->HCregaddr); | |
948 | control |= HC_LAINT_ENA; | |
949 | writel(control, phba->HCregaddr); | |
950 | readl(phba->HCregaddr); /* flush */ | |
951 | ||
952 | /* Clear Link Attention in HA REG */ | |
953 | writel(HA_LATT, phba->HAregaddr); | |
954 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 955 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 956 | lpfc_linkdown(phba); |
2e0fef85 | 957 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 958 | |
09372820 JS |
959 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
960 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e | 961 | |
962 | return; | |
963 | } | |
964 | ||
e59058c4 JS |
965 | /** |
966 | * lpfc_parse_vpd: Parse VPD (Vital Product Data). | |
967 | * @phba: pointer to lpfc hba data structure. | |
968 | * @vpd: pointer to the vital product data. | |
969 | * @len: length of the vital product data in bytes. | |
970 | * | |
971 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
972 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
973 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
974 | * | |
975 | * Return codes | |
976 | * 0 - pointer to the VPD passed in is NULL | |
977 | * 1 - success | |
978 | **/ | |
dea3101e | 979 | static int |
2e0fef85 | 980 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e | 981 | { |
982 | uint8_t lenlo, lenhi; | |
07da60c1 | 983 | int Length; |
dea3101e | 984 | int i, j; |
985 | int finished = 0; | |
986 | int index = 0; | |
987 | ||
988 | if (!vpd) | |
989 | return 0; | |
990 | ||
991 | /* Vital Product */ | |
ed957684 | 992 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 993 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e | 994 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
995 | (uint32_t) vpd[3]); | |
74b72a59 | 996 | while (!finished && (index < (len - 4))) { |
dea3101e | 997 | switch (vpd[index]) { |
998 | case 0x82: | |
74b72a59 | 999 | case 0x91: |
dea3101e | 1000 | index += 1; |
1001 | lenlo = vpd[index]; | |
1002 | index += 1; | |
1003 | lenhi = vpd[index]; | |
1004 | index += 1; | |
1005 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1006 | index += i; | |
1007 | break; | |
1008 | case 0x90: | |
1009 | index += 1; | |
1010 | lenlo = vpd[index]; | |
1011 | index += 1; | |
1012 | lenhi = vpd[index]; | |
1013 | index += 1; | |
1014 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1015 | if (Length > len - index) |
1016 | Length = len - index; | |
dea3101e | 1017 | while (Length > 0) { |
1018 | /* Look for Serial Number */ | |
1019 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1020 | index += 2; | |
1021 | i = vpd[index]; | |
1022 | index += 1; | |
1023 | j = 0; | |
1024 | Length -= (3+i); | |
1025 | while(i--) { | |
1026 | phba->SerialNumber[j++] = vpd[index++]; | |
1027 | if (j == 31) | |
1028 | break; | |
1029 | } | |
1030 | phba->SerialNumber[j] = 0; | |
1031 | continue; | |
1032 | } | |
1033 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1034 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1035 | index += 2; | |
1036 | i = vpd[index]; | |
1037 | index += 1; | |
1038 | j = 0; | |
1039 | Length -= (3+i); | |
1040 | while(i--) { | |
1041 | phba->ModelDesc[j++] = vpd[index++]; | |
1042 | if (j == 255) | |
1043 | break; | |
1044 | } | |
1045 | phba->ModelDesc[j] = 0; | |
1046 | continue; | |
1047 | } | |
1048 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1049 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1050 | index += 2; | |
1051 | i = vpd[index]; | |
1052 | index += 1; | |
1053 | j = 0; | |
1054 | Length -= (3+i); | |
1055 | while(i--) { | |
1056 | phba->ModelName[j++] = vpd[index++]; | |
1057 | if (j == 79) | |
1058 | break; | |
1059 | } | |
1060 | phba->ModelName[j] = 0; | |
1061 | continue; | |
1062 | } | |
1063 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1064 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1065 | index += 2; | |
1066 | i = vpd[index]; | |
1067 | index += 1; | |
1068 | j = 0; | |
1069 | Length -= (3+i); | |
1070 | while(i--) { | |
1071 | phba->ProgramType[j++] = vpd[index++]; | |
1072 | if (j == 255) | |
1073 | break; | |
1074 | } | |
1075 | phba->ProgramType[j] = 0; | |
1076 | continue; | |
1077 | } | |
1078 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1079 | phba->vpd_flag |= VPD_PORT; | |
1080 | index += 2; | |
1081 | i = vpd[index]; | |
1082 | index += 1; | |
1083 | j = 0; | |
1084 | Length -= (3+i); | |
1085 | while(i--) { | |
1086 | phba->Port[j++] = vpd[index++]; | |
1087 | if (j == 19) | |
1088 | break; | |
1089 | } | |
1090 | phba->Port[j] = 0; | |
1091 | continue; | |
1092 | } | |
1093 | else { | |
1094 | index += 2; | |
1095 | i = vpd[index]; | |
1096 | index += 1; | |
1097 | index += i; | |
1098 | Length -= (3 + i); | |
1099 | } | |
1100 | } | |
1101 | finished = 0; | |
1102 | break; | |
1103 | case 0x78: | |
1104 | finished = 1; | |
1105 | break; | |
1106 | default: | |
1107 | index ++; | |
1108 | break; | |
1109 | } | |
74b72a59 | 1110 | } |
dea3101e | 1111 | |
1112 | return(1); | |
1113 | } | |
1114 | ||
e59058c4 JS |
1115 | /** |
1116 | * lpfc_get_hba_model_desc: Retrieve HBA device model name and description. | |
1117 | * @phba: pointer to lpfc hba data structure. | |
1118 | * @mdp: pointer to the data structure to hold the derived model name. | |
1119 | * @descp: pointer to the data structure to hold the derived description. | |
1120 | * | |
1121 | * This routine retrieves HBA's description based on its registered PCI device | |
1122 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1123 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1124 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1125 | * function returns, the @mdp will be filled with the model name. | |
1126 | **/ | |
dea3101e | 1127 | static void |
2e0fef85 | 1128 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e | 1129 | { |
1130 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1131 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1132 | int max_speed; |
74b72a59 JW |
1133 | struct { |
1134 | char * name; | |
1135 | int max_speed; | |
74b72a59 | 1136 | char * bus; |
18a3b596 | 1137 | } m = {"<Unknown>", 0, ""}; |
74b72a59 JW |
1138 | |
1139 | if (mdp && mdp[0] != '\0' | |
1140 | && descp && descp[0] != '\0') | |
1141 | return; | |
1142 | ||
1143 | if (phba->lmt & LMT_10Gb) | |
1144 | max_speed = 10; | |
1145 | else if (phba->lmt & LMT_8Gb) | |
1146 | max_speed = 8; | |
1147 | else if (phba->lmt & LMT_4Gb) | |
1148 | max_speed = 4; | |
1149 | else if (phba->lmt & LMT_2Gb) | |
1150 | max_speed = 2; | |
1151 | else | |
1152 | max_speed = 1; | |
dea3101e | 1153 | |
1154 | vp = &phba->vpd; | |
dea3101e | 1155 | |
e4adb204 | 1156 | switch (dev_id) { |
06325e74 | 1157 | case PCI_DEVICE_ID_FIREFLY: |
18a3b596 | 1158 | m = (typeof(m)){"LP6000", max_speed, "PCI"}; |
06325e74 | 1159 | break; |
dea3101e | 1160 | case PCI_DEVICE_ID_SUPERFLY: |
1161 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
18a3b596 | 1162 | m = (typeof(m)){"LP7000", max_speed, "PCI"}; |
dea3101e | 1163 | else |
18a3b596 | 1164 | m = (typeof(m)){"LP7000E", max_speed, "PCI"}; |
dea3101e | 1165 | break; |
1166 | case PCI_DEVICE_ID_DRAGONFLY: | |
18a3b596 | 1167 | m = (typeof(m)){"LP8000", max_speed, "PCI"}; |
dea3101e | 1168 | break; |
1169 | case PCI_DEVICE_ID_CENTAUR: | |
1170 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
18a3b596 | 1171 | m = (typeof(m)){"LP9002", max_speed, "PCI"}; |
dea3101e | 1172 | else |
18a3b596 | 1173 | m = (typeof(m)){"LP9000", max_speed, "PCI"}; |
dea3101e | 1174 | break; |
1175 | case PCI_DEVICE_ID_RFLY: | |
18a3b596 | 1176 | m = (typeof(m)){"LP952", max_speed, "PCI"}; |
dea3101e | 1177 | break; |
1178 | case PCI_DEVICE_ID_PEGASUS: | |
18a3b596 | 1179 | m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; |
dea3101e | 1180 | break; |
1181 | case PCI_DEVICE_ID_THOR: | |
18a3b596 | 1182 | m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; |
dea3101e | 1183 | break; |
1184 | case PCI_DEVICE_ID_VIPER: | |
18a3b596 | 1185 | m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; |
dea3101e | 1186 | break; |
1187 | case PCI_DEVICE_ID_PFLY: | |
18a3b596 | 1188 | m = (typeof(m)){"LP982", max_speed, "PCI-X"}; |
dea3101e | 1189 | break; |
1190 | case PCI_DEVICE_ID_TFLY: | |
18a3b596 | 1191 | m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; |
dea3101e | 1192 | break; |
1193 | case PCI_DEVICE_ID_HELIOS: | |
18a3b596 | 1194 | m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; |
dea3101e | 1195 | break; |
e4adb204 | 1196 | case PCI_DEVICE_ID_HELIOS_SCSP: |
18a3b596 | 1197 | m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1198 | break; |
1199 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
18a3b596 | 1200 | m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1201 | break; |
1202 | case PCI_DEVICE_ID_NEPTUNE: | |
18a3b596 | 1203 | m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1204 | break; |
1205 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
18a3b596 | 1206 | m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; |
e4adb204 JSEC |
1207 | break; |
1208 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
18a3b596 | 1209 | m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; |
e4adb204 | 1210 | break; |
dea3101e | 1211 | case PCI_DEVICE_ID_BMID: |
18a3b596 | 1212 | m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; |
dea3101e | 1213 | break; |
1214 | case PCI_DEVICE_ID_BSMB: | |
18a3b596 | 1215 | m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; |
dea3101e | 1216 | break; |
1217 | case PCI_DEVICE_ID_ZEPHYR: | |
18a3b596 | 1218 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
dea3101e | 1219 | break; |
e4adb204 | 1220 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
18a3b596 | 1221 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1222 | break; |
1223 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
18a3b596 | 1224 | m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; |
e4adb204 | 1225 | break; |
dea3101e | 1226 | case PCI_DEVICE_ID_ZMID: |
18a3b596 | 1227 | m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; |
dea3101e | 1228 | break; |
1229 | case PCI_DEVICE_ID_ZSMB: | |
18a3b596 | 1230 | m = (typeof(m)){"LPe111", max_speed, "PCIe"}; |
dea3101e | 1231 | break; |
1232 | case PCI_DEVICE_ID_LP101: | |
18a3b596 | 1233 | m = (typeof(m)){"LP101", max_speed, "PCI-X"}; |
dea3101e | 1234 | break; |
1235 | case PCI_DEVICE_ID_LP10000S: | |
18a3b596 | 1236 | m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; |
06325e74 | 1237 | break; |
e4adb204 | 1238 | case PCI_DEVICE_ID_LP11000S: |
18a3b596 JS |
1239 | m = (typeof(m)){"LP11000-S", max_speed, |
1240 | "PCI-X2"}; | |
1241 | break; | |
e4adb204 | 1242 | case PCI_DEVICE_ID_LPE11000S: |
18a3b596 JS |
1243 | m = (typeof(m)){"LPe11000-S", max_speed, |
1244 | "PCIe"}; | |
5cc36b3c | 1245 | break; |
b87eab38 JS |
1246 | case PCI_DEVICE_ID_SAT: |
1247 | m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; | |
1248 | break; | |
1249 | case PCI_DEVICE_ID_SAT_MID: | |
1250 | m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; | |
1251 | break; | |
1252 | case PCI_DEVICE_ID_SAT_SMB: | |
1253 | m = (typeof(m)){"LPe121", max_speed, "PCIe"}; | |
1254 | break; | |
1255 | case PCI_DEVICE_ID_SAT_DCSP: | |
1256 | m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; | |
1257 | break; | |
1258 | case PCI_DEVICE_ID_SAT_SCSP: | |
1259 | m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; | |
1260 | break; | |
1261 | case PCI_DEVICE_ID_SAT_S: | |
1262 | m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; | |
1263 | break; | |
5cc36b3c | 1264 | default: |
041976fb | 1265 | m = (typeof(m)){ NULL }; |
e4adb204 | 1266 | break; |
dea3101e | 1267 | } |
74b72a59 JW |
1268 | |
1269 | if (mdp && mdp[0] == '\0') | |
1270 | snprintf(mdp, 79,"%s", m.name); | |
1271 | if (descp && descp[0] == '\0') | |
1272 | snprintf(descp, 255, | |
18a3b596 JS |
1273 | "Emulex %s %dGb %s Fibre Channel Adapter", |
1274 | m.name, m.max_speed, m.bus); | |
dea3101e | 1275 | } |
1276 | ||
e59058c4 JS |
1277 | /** |
1278 | * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring. | |
1279 | * @phba: pointer to lpfc hba data structure. | |
1280 | * @pring: pointer to a IOCB ring. | |
1281 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
1282 | * | |
1283 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
1284 | * descriptors specified by the cnt argument to the given IOCB ring. | |
1285 | * | |
1286 | * Return codes | |
1287 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
1288 | **/ | |
dea3101e | 1289 | int |
495a714c | 1290 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e | 1291 | { |
1292 | IOCB_t *icmd; | |
0bd4ca25 | 1293 | struct lpfc_iocbq *iocb; |
dea3101e | 1294 | struct lpfc_dmabuf *mp1, *mp2; |
1295 | ||
1296 | cnt += pring->missbufcnt; | |
1297 | ||
1298 | /* While there are buffers to post */ | |
1299 | while (cnt > 0) { | |
1300 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1301 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 1302 | if (iocb == NULL) { |
1303 | pring->missbufcnt = cnt; | |
1304 | return cnt; | |
1305 | } | |
dea3101e | 1306 | icmd = &iocb->iocb; |
1307 | ||
1308 | /* 2 buffers can be posted per command */ | |
1309 | /* Allocate buffer to post */ | |
1310 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1311 | if (mp1) | |
98c9ea5c JS |
1312 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1313 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1314 | kfree(mp1); |
604a3e30 | 1315 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1316 | pring->missbufcnt = cnt; |
1317 | return cnt; | |
1318 | } | |
1319 | ||
1320 | INIT_LIST_HEAD(&mp1->list); | |
1321 | /* Allocate buffer to post */ | |
1322 | if (cnt > 1) { | |
1323 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1324 | if (mp2) | |
1325 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1326 | &mp2->phys); | |
98c9ea5c | 1327 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1328 | kfree(mp2); |
dea3101e | 1329 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1330 | kfree(mp1); | |
604a3e30 | 1331 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1332 | pring->missbufcnt = cnt; |
1333 | return cnt; | |
1334 | } | |
1335 | ||
1336 | INIT_LIST_HEAD(&mp2->list); | |
1337 | } else { | |
1338 | mp2 = NULL; | |
1339 | } | |
1340 | ||
1341 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1342 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1343 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1344 | icmd->ulpBdeCount = 1; | |
1345 | cnt--; | |
1346 | if (mp2) { | |
1347 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1348 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1349 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1350 | cnt--; | |
1351 | icmd->ulpBdeCount = 2; | |
1352 | } | |
1353 | ||
1354 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1355 | icmd->ulpLe = 1; | |
1356 | ||
dea3101e | 1357 | if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { |
1358 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
1359 | kfree(mp1); | |
1360 | cnt++; | |
1361 | if (mp2) { | |
1362 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1363 | kfree(mp2); | |
1364 | cnt++; | |
1365 | } | |
604a3e30 | 1366 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1367 | pring->missbufcnt = cnt; |
dea3101e | 1368 | return cnt; |
1369 | } | |
dea3101e | 1370 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1371 | if (mp2) |
dea3101e | 1372 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e | 1373 | } |
1374 | pring->missbufcnt = 0; | |
1375 | return 0; | |
1376 | } | |
1377 | ||
e59058c4 JS |
1378 | /** |
1379 | * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring. | |
1380 | * @phba: pointer to lpfc hba data structure. | |
1381 | * | |
1382 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
1383 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
1384 | * set to 64 IOCBs. | |
1385 | * | |
1386 | * Return codes | |
1387 | * 0 - success (currently always success) | |
1388 | **/ | |
dea3101e | 1389 | static int |
2e0fef85 | 1390 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e | 1391 | { |
1392 | struct lpfc_sli *psli = &phba->sli; | |
1393 | ||
1394 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 1395 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e | 1396 | /* Ring 2 - FCP no buffers needed */ |
1397 | ||
1398 | return 0; | |
1399 | } | |
1400 | ||
1401 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1402 | ||
e59058c4 JS |
1403 | /** |
1404 | * lpfc_sha_init: Set up initial array of hash table entries. | |
1405 | * @HashResultPointer: pointer to an array as hash table. | |
1406 | * | |
1407 | * This routine sets up the initial values to the array of hash table entries | |
1408 | * for the LC HBAs. | |
1409 | **/ | |
dea3101e | 1410 | static void |
1411 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1412 | { | |
1413 | HashResultPointer[0] = 0x67452301; | |
1414 | HashResultPointer[1] = 0xEFCDAB89; | |
1415 | HashResultPointer[2] = 0x98BADCFE; | |
1416 | HashResultPointer[3] = 0x10325476; | |
1417 | HashResultPointer[4] = 0xC3D2E1F0; | |
1418 | } | |
1419 | ||
e59058c4 JS |
1420 | /** |
1421 | * lpfc_sha_iterate: Iterate initial hash table with the working hash table. | |
1422 | * @HashResultPointer: pointer to an initial/result hash table. | |
1423 | * @HashWorkingPointer: pointer to an working hash table. | |
1424 | * | |
1425 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
1426 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
1427 | * The results are putting back to the initial hash table, returned through | |
1428 | * the @HashResultPointer as the result hash table. | |
1429 | **/ | |
dea3101e | 1430 | static void |
1431 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1432 | { | |
1433 | int t; | |
1434 | uint32_t TEMP; | |
1435 | uint32_t A, B, C, D, E; | |
1436 | t = 16; | |
1437 | do { | |
1438 | HashWorkingPointer[t] = | |
1439 | S(1, | |
1440 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1441 | 8] ^ | |
1442 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1443 | } while (++t <= 79); | |
1444 | t = 0; | |
1445 | A = HashResultPointer[0]; | |
1446 | B = HashResultPointer[1]; | |
1447 | C = HashResultPointer[2]; | |
1448 | D = HashResultPointer[3]; | |
1449 | E = HashResultPointer[4]; | |
1450 | ||
1451 | do { | |
1452 | if (t < 20) { | |
1453 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1454 | } else if (t < 40) { | |
1455 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1456 | } else if (t < 60) { | |
1457 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1458 | } else { | |
1459 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1460 | } | |
1461 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1462 | E = D; | |
1463 | D = C; | |
1464 | C = S(30, B); | |
1465 | B = A; | |
1466 | A = TEMP; | |
1467 | } while (++t <= 79); | |
1468 | ||
1469 | HashResultPointer[0] += A; | |
1470 | HashResultPointer[1] += B; | |
1471 | HashResultPointer[2] += C; | |
1472 | HashResultPointer[3] += D; | |
1473 | HashResultPointer[4] += E; | |
1474 | ||
1475 | } | |
1476 | ||
e59058c4 JS |
1477 | /** |
1478 | * lpfc_challenge_key: Create challenge key based on WWPN of the HBA. | |
1479 | * @RandomChallenge: pointer to the entry of host challenge random number array. | |
1480 | * @HashWorking: pointer to the entry of the working hash array. | |
1481 | * | |
1482 | * This routine calculates the working hash array referred by @HashWorking | |
1483 | * from the challenge random numbers associated with the host, referred by | |
1484 | * @RandomChallenge. The result is put into the entry of the working hash | |
1485 | * array and returned by reference through @HashWorking. | |
1486 | **/ | |
dea3101e | 1487 | static void |
1488 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1489 | { | |
1490 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1491 | } | |
1492 | ||
e59058c4 JS |
1493 | /** |
1494 | * lpfc_hba_init: Perform special handling for LC HBA initialization. | |
1495 | * @phba: pointer to lpfc hba data structure. | |
1496 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
1497 | * | |
1498 | * This routine performs the special handling for LC HBA initialization. | |
1499 | **/ | |
dea3101e | 1500 | void |
1501 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1502 | { | |
1503 | int t; | |
1504 | uint32_t *HashWorking; | |
2e0fef85 | 1505 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1506 | |
bbfbbbc1 | 1507 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e | 1508 | if (!HashWorking) |
1509 | return; | |
1510 | ||
dea3101e | 1511 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1512 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1513 | ||
1514 | for (t = 0; t < 7; t++) | |
1515 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1516 | ||
1517 | lpfc_sha_init(hbainit); | |
1518 | lpfc_sha_iterate(hbainit, HashWorking); | |
1519 | kfree(HashWorking); | |
1520 | } | |
1521 | ||
e59058c4 JS |
1522 | /** |
1523 | * lpfc_cleanup: Performs vport cleanups before deleting a vport. | |
1524 | * @vport: pointer to a virtual N_Port data structure. | |
1525 | * | |
1526 | * This routine performs the necessary cleanups before deleting the @vport. | |
1527 | * It invokes the discovery state machine to perform necessary state | |
1528 | * transitions and to release the ndlps associated with the @vport. Note, | |
1529 | * the physical port is treated as @vport 0. | |
1530 | **/ | |
87af33fe | 1531 | void |
2e0fef85 | 1532 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1533 | { |
87af33fe | 1534 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1535 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1536 | int i = 0; |
dea3101e | 1537 | |
87af33fe JS |
1538 | if (phba->link_state > LPFC_LINK_DOWN) |
1539 | lpfc_port_link_failure(vport); | |
1540 | ||
1541 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1542 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1543 | ndlp = lpfc_enable_node(vport, ndlp, | |
1544 | NLP_STE_UNUSED_NODE); | |
1545 | if (!ndlp) | |
1546 | continue; | |
1547 | spin_lock_irq(&phba->ndlp_lock); | |
1548 | NLP_SET_FREE_REQ(ndlp); | |
1549 | spin_unlock_irq(&phba->ndlp_lock); | |
1550 | /* Trigger the release of the ndlp memory */ | |
1551 | lpfc_nlp_put(ndlp); | |
1552 | continue; | |
1553 | } | |
1554 | spin_lock_irq(&phba->ndlp_lock); | |
1555 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
1556 | /* The ndlp should not be in memory free mode already */ | |
1557 | spin_unlock_irq(&phba->ndlp_lock); | |
1558 | continue; | |
1559 | } else | |
1560 | /* Indicate request for freeing ndlp memory */ | |
1561 | NLP_SET_FREE_REQ(ndlp); | |
1562 | spin_unlock_irq(&phba->ndlp_lock); | |
1563 | ||
58da1ffb JS |
1564 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
1565 | ndlp->nlp_DID == Fabric_DID) { | |
1566 | /* Just free up ndlp with Fabric_DID for vports */ | |
1567 | lpfc_nlp_put(ndlp); | |
1568 | continue; | |
1569 | } | |
1570 | ||
87af33fe JS |
1571 | if (ndlp->nlp_type & NLP_FABRIC) |
1572 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
1573 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 1574 | |
87af33fe JS |
1575 | lpfc_disc_state_machine(vport, ndlp, NULL, |
1576 | NLP_EVT_DEVICE_RM); | |
495a714c | 1577 | |
87af33fe JS |
1578 | } |
1579 | ||
a8adb832 JS |
1580 | /* At this point, ALL ndlp's should be gone |
1581 | * because of the previous NLP_EVT_DEVICE_RM. | |
1582 | * Lets wait for this to happen, if needed. | |
1583 | */ | |
87af33fe JS |
1584 | while (!list_empty(&vport->fc_nodes)) { |
1585 | ||
a8adb832 | 1586 | if (i++ > 3000) { |
87af33fe | 1587 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 1588 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
1589 | list_for_each_entry_safe(ndlp, next_ndlp, |
1590 | &vport->fc_nodes, nlp_listp) { | |
1591 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
1592 | LOG_NODE, | |
d7c255b2 | 1593 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
1594 | "usgmap:x%x refcnt:%d\n", |
1595 | ndlp->nlp_DID, (void *)ndlp, | |
1596 | ndlp->nlp_usg_map, | |
1597 | atomic_read( | |
1598 | &ndlp->kref.refcount)); | |
1599 | } | |
a8adb832 | 1600 | break; |
87af33fe | 1601 | } |
a8adb832 JS |
1602 | |
1603 | /* Wait for any activity on ndlps to settle */ | |
1604 | msleep(10); | |
87af33fe | 1605 | } |
dea3101e | 1606 | return; |
1607 | } | |
1608 | ||
e59058c4 JS |
1609 | /** |
1610 | * lpfc_stop_vport_timers: Stop all the timers associated with a vport. | |
1611 | * @vport: pointer to a virtual N_Port data structure. | |
1612 | * | |
1613 | * This routine stops all the timers associated with a @vport. This function | |
1614 | * is invoked before disabling or deleting a @vport. Note that the physical | |
1615 | * port is treated as @vport 0. | |
1616 | **/ | |
92d7f7b0 JS |
1617 | void |
1618 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 1619 | { |
92d7f7b0 JS |
1620 | del_timer_sync(&vport->els_tmofunc); |
1621 | del_timer_sync(&vport->fc_fdmitmo); | |
1622 | lpfc_can_disctmo(vport); | |
1623 | return; | |
dea3101e | 1624 | } |
1625 | ||
e59058c4 JS |
1626 | /** |
1627 | * lpfc_stop_phba_timers: Stop all the timers associated with an HBA. | |
1628 | * @phba: pointer to lpfc hba data structure. | |
1629 | * | |
1630 | * This routine stops all the timers associated with a HBA. This function is | |
1631 | * invoked before either putting a HBA offline or unloading the driver. | |
1632 | **/ | |
2e0fef85 | 1633 | static void |
92d7f7b0 | 1634 | lpfc_stop_phba_timers(struct lpfc_hba *phba) |
dea3101e | 1635 | { |
875fbdfe | 1636 | del_timer_sync(&phba->fcp_poll_timer); |
51ef4c26 | 1637 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 1638 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 1639 | del_timer_sync(&phba->fabric_block_timer); |
858c9f6c JS |
1640 | phba->hb_outstanding = 0; |
1641 | del_timer_sync(&phba->hb_tmofunc); | |
2e0fef85 | 1642 | return; |
dea3101e | 1643 | } |
1644 | ||
e59058c4 JS |
1645 | /** |
1646 | * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked. | |
1647 | * @phba: pointer to lpfc hba data structure. | |
1648 | * | |
1649 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
1650 | * management interface is marked as blocked, all the user space access to | |
1651 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
1652 | * all be blocked. The HBA is set to block the management interface when the | |
1653 | * driver prepares the HBA interface for online or offline. | |
1654 | **/ | |
a6ababd2 AB |
1655 | static void |
1656 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
1657 | { | |
1658 | unsigned long iflag; | |
1659 | ||
1660 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1661 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
1662 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1663 | } | |
1664 | ||
e59058c4 JS |
1665 | /** |
1666 | * lpfc_online: Initialize and bring a HBA online. | |
1667 | * @phba: pointer to lpfc hba data structure. | |
1668 | * | |
1669 | * This routine initializes the HBA and brings a HBA online. During this | |
1670 | * process, the management interface is blocked to prevent user space access | |
1671 | * to the HBA interfering with the driver initialization. | |
1672 | * | |
1673 | * Return codes | |
1674 | * 0 - successful | |
1675 | * 1 - failed | |
1676 | **/ | |
dea3101e | 1677 | int |
2e0fef85 | 1678 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 1679 | { |
2e0fef85 | 1680 | struct lpfc_vport *vport = phba->pport; |
549e55cd JS |
1681 | struct lpfc_vport **vports; |
1682 | int i; | |
2e0fef85 | 1683 | |
dea3101e | 1684 | if (!phba) |
1685 | return 0; | |
1686 | ||
2e0fef85 | 1687 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e | 1688 | return 0; |
1689 | ||
ed957684 | 1690 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1691 | "0458 Bring Adapter online\n"); |
dea3101e | 1692 | |
46fa311e JS |
1693 | lpfc_block_mgmt_io(phba); |
1694 | ||
1695 | if (!lpfc_sli_queue_setup(phba)) { | |
1696 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1697 | return 1; |
46fa311e | 1698 | } |
dea3101e | 1699 | |
46fa311e JS |
1700 | if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ |
1701 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1702 | return 1; |
46fa311e | 1703 | } |
dea3101e | 1704 | |
549e55cd JS |
1705 | vports = lpfc_create_vport_work_array(phba); |
1706 | if (vports != NULL) | |
09372820 | 1707 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd JS |
1708 | struct Scsi_Host *shost; |
1709 | shost = lpfc_shost_from_vport(vports[i]); | |
1710 | spin_lock_irq(shost->host_lock); | |
1711 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
1712 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
1713 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1714 | spin_unlock_irq(shost->host_lock); | |
1715 | } | |
09372820 | 1716 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1717 | |
46fa311e | 1718 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 1719 | return 0; |
1720 | } | |
1721 | ||
e59058c4 JS |
1722 | /** |
1723 | * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked. | |
1724 | * @phba: pointer to lpfc hba data structure. | |
1725 | * | |
1726 | * This routine marks a HBA's management interface as not blocked. Once the | |
1727 | * HBA's management interface is marked as not blocked, all the user space | |
1728 | * access to the HBA, whether they are from sysfs interface or libdfc | |
1729 | * interface will be allowed. The HBA is set to block the management interface | |
1730 | * when the driver prepares the HBA interface for online or offline and then | |
1731 | * set to unblock the management interface afterwards. | |
1732 | **/ | |
46fa311e JS |
1733 | void |
1734 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
1735 | { | |
1736 | unsigned long iflag; | |
1737 | ||
2e0fef85 JS |
1738 | spin_lock_irqsave(&phba->hbalock, iflag); |
1739 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
1740 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
1741 | } |
1742 | ||
e59058c4 JS |
1743 | /** |
1744 | * lpfc_offline_prep: Prepare a HBA to be brought offline. | |
1745 | * @phba: pointer to lpfc hba data structure. | |
1746 | * | |
1747 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
1748 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
1749 | * queue to make it ready to be brought offline. | |
1750 | **/ | |
46fa311e JS |
1751 | void |
1752 | lpfc_offline_prep(struct lpfc_hba * phba) | |
1753 | { | |
2e0fef85 | 1754 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 1755 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
1756 | struct lpfc_vport **vports; |
1757 | int i; | |
dea3101e | 1758 | |
2e0fef85 | 1759 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1760 | return; |
dea3101e | 1761 | |
46fa311e | 1762 | lpfc_block_mgmt_io(phba); |
dea3101e | 1763 | |
1764 | lpfc_linkdown(phba); | |
1765 | ||
87af33fe JS |
1766 | /* Issue an unreg_login to all nodes on all vports */ |
1767 | vports = lpfc_create_vport_work_array(phba); | |
1768 | if (vports != NULL) { | |
09372820 | 1769 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
87af33fe JS |
1770 | struct Scsi_Host *shost; |
1771 | ||
a8adb832 JS |
1772 | if (vports[i]->load_flag & FC_UNLOADING) |
1773 | continue; | |
87af33fe JS |
1774 | shost = lpfc_shost_from_vport(vports[i]); |
1775 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1776 | &vports[i]->fc_nodes, | |
1777 | nlp_listp) { | |
e47c9093 JS |
1778 | if (!NLP_CHK_NODE_ACT(ndlp)) |
1779 | continue; | |
87af33fe JS |
1780 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
1781 | continue; | |
1782 | if (ndlp->nlp_type & NLP_FABRIC) { | |
1783 | lpfc_disc_state_machine(vports[i], ndlp, | |
1784 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
1785 | lpfc_disc_state_machine(vports[i], ndlp, | |
1786 | NULL, NLP_EVT_DEVICE_RM); | |
1787 | } | |
1788 | spin_lock_irq(shost->host_lock); | |
1789 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1790 | spin_unlock_irq(shost->host_lock); | |
1791 | lpfc_unreg_rpi(vports[i], ndlp); | |
1792 | } | |
1793 | } | |
1794 | } | |
09372820 | 1795 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1796 | |
46fa311e JS |
1797 | lpfc_sli_flush_mbox_queue(phba); |
1798 | } | |
1799 | ||
e59058c4 JS |
1800 | /** |
1801 | * lpfc_offline: Bring a HBA offline. | |
1802 | * @phba: pointer to lpfc hba data structure. | |
1803 | * | |
1804 | * This routine actually brings a HBA offline. It stops all the timers | |
1805 | * associated with the HBA, brings down the SLI layer, and eventually | |
1806 | * marks the HBA as in offline state for the upper layer protocol. | |
1807 | **/ | |
46fa311e | 1808 | void |
2e0fef85 | 1809 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 1810 | { |
549e55cd JS |
1811 | struct Scsi_Host *shost; |
1812 | struct lpfc_vport **vports; | |
1813 | int i; | |
46fa311e | 1814 | |
549e55cd | 1815 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1816 | return; |
688a8863 | 1817 | |
dea3101e | 1818 | /* stop all timers associated with this hba */ |
92d7f7b0 | 1819 | lpfc_stop_phba_timers(phba); |
51ef4c26 JS |
1820 | vports = lpfc_create_vport_work_array(phba); |
1821 | if (vports != NULL) | |
09372820 | 1822 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) |
51ef4c26 | 1823 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 1824 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 1825 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1826 | "0460 Bring Adapter offline\n"); |
dea3101e | 1827 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
1828 | now. */ | |
1829 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 1830 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1831 | phba->work_ha = 0; |
92d7f7b0 | 1832 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
1833 | vports = lpfc_create_vport_work_array(phba); |
1834 | if (vports != NULL) | |
09372820 | 1835 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd | 1836 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
1837 | spin_lock_irq(shost->host_lock); |
1838 | vports[i]->work_port_events = 0; | |
1839 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
1840 | spin_unlock_irq(shost->host_lock); | |
1841 | } | |
09372820 | 1842 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1843 | } |
1844 | ||
e59058c4 JS |
1845 | /** |
1846 | * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists. | |
1847 | * @phba: pointer to lpfc hba data structure. | |
1848 | * | |
1849 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
1850 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
1851 | * the internal resources before the device is removed from the system. | |
1852 | * | |
1853 | * Return codes | |
1854 | * 0 - successful (for now, it always returns 0) | |
1855 | **/ | |
dea3101e | 1856 | static int |
2e0fef85 | 1857 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e | 1858 | { |
1859 | struct lpfc_scsi_buf *sb, *sb_next; | |
1860 | struct lpfc_iocbq *io, *io_next; | |
1861 | ||
2e0fef85 | 1862 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1863 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1864 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
1865 | list_del(&sb->list); | |
1866 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 1867 | sb->dma_handle); |
dea3101e | 1868 | kfree(sb); |
1869 | phba->total_scsi_bufs--; | |
1870 | } | |
1871 | ||
1872 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
1873 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
1874 | list_del(&io->list); | |
1875 | kfree(io); | |
1876 | phba->total_iocbq_bufs--; | |
1877 | } | |
1878 | ||
2e0fef85 | 1879 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1880 | |
1881 | return 0; | |
1882 | } | |
1883 | ||
e59058c4 JS |
1884 | /** |
1885 | * lpfc_create_port: Create an FC port. | |
1886 | * @phba: pointer to lpfc hba data structure. | |
1887 | * @instance: a unique integer ID to this FC port. | |
1888 | * @dev: pointer to the device data structure. | |
1889 | * | |
1890 | * This routine creates a FC port for the upper layer protocol. The FC port | |
1891 | * can be created on top of either a physical port or a virtual port provided | |
1892 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
1893 | * and associates the FC port created before adding the shost into the SCSI | |
1894 | * layer. | |
1895 | * | |
1896 | * Return codes | |
1897 | * @vport - pointer to the virtual N_Port data structure. | |
1898 | * NULL - port create failed. | |
1899 | **/ | |
2e0fef85 | 1900 | struct lpfc_vport * |
3de2a653 | 1901 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 1902 | { |
2e0fef85 JS |
1903 | struct lpfc_vport *vport; |
1904 | struct Scsi_Host *shost; | |
1905 | int error = 0; | |
47a8617c | 1906 | |
3de2a653 JS |
1907 | if (dev != &phba->pcidev->dev) |
1908 | shost = scsi_host_alloc(&lpfc_vport_template, | |
1909 | sizeof(struct lpfc_vport)); | |
1910 | else | |
1911 | shost = scsi_host_alloc(&lpfc_template, | |
1912 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
1913 | if (!shost) |
1914 | goto out; | |
47a8617c | 1915 | |
2e0fef85 JS |
1916 | vport = (struct lpfc_vport *) shost->hostdata; |
1917 | vport->phba = phba; | |
2e0fef85 | 1918 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 1919 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 1920 | vport->fc_rscn_flush = 0; |
47a8617c | 1921 | |
3de2a653 | 1922 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
1923 | shost->unique_id = instance; |
1924 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 1925 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
1926 | shost->this_id = -1; |
1927 | shost->max_cmd_len = 16; | |
47a8617c | 1928 | /* |
2e0fef85 JS |
1929 | * Set initial can_queue value since 0 is no longer supported and |
1930 | * scsi_add_host will fail. This will be adjusted later based on the | |
1931 | * max xri value determined in hba setup. | |
47a8617c | 1932 | */ |
2e0fef85 | 1933 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 1934 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
1935 | shost->transportt = lpfc_vport_transport_template; |
1936 | vport->port_type = LPFC_NPIV_PORT; | |
1937 | } else { | |
1938 | shost->transportt = lpfc_transport_template; | |
1939 | vport->port_type = LPFC_PHYSICAL_PORT; | |
1940 | } | |
47a8617c | 1941 | |
2e0fef85 JS |
1942 | /* Initialize all internally managed lists. */ |
1943 | INIT_LIST_HEAD(&vport->fc_nodes); | |
1944 | spin_lock_init(&vport->work_port_lock); | |
47a8617c | 1945 | |
2e0fef85 JS |
1946 | init_timer(&vport->fc_disctmo); |
1947 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 1948 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 1949 | |
2e0fef85 JS |
1950 | init_timer(&vport->fc_fdmitmo); |
1951 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 1952 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 1953 | |
2e0fef85 JS |
1954 | init_timer(&vport->els_tmofunc); |
1955 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 1956 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 1957 | |
3de2a653 | 1958 | error = scsi_add_host(shost, dev); |
2e0fef85 JS |
1959 | if (error) |
1960 | goto out_put_shost; | |
47a8617c | 1961 | |
549e55cd | 1962 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 1963 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 1964 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 1965 | return vport; |
47a8617c | 1966 | |
2e0fef85 JS |
1967 | out_put_shost: |
1968 | scsi_host_put(shost); | |
1969 | out: | |
1970 | return NULL; | |
47a8617c JS |
1971 | } |
1972 | ||
e59058c4 JS |
1973 | /** |
1974 | * destroy_port: Destroy an FC port. | |
1975 | * @vport: pointer to an lpfc virtual N_Port data structure. | |
1976 | * | |
1977 | * This routine destroys a FC port from the upper layer protocol. All the | |
1978 | * resources associated with the port are released. | |
1979 | **/ | |
2e0fef85 JS |
1980 | void |
1981 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 1982 | { |
92d7f7b0 JS |
1983 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1984 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 1985 | |
92d7f7b0 | 1986 | kfree(vport->vname); |
47a8617c | 1987 | |
858c9f6c | 1988 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
1989 | fc_remove_host(shost); |
1990 | scsi_remove_host(shost); | |
47a8617c | 1991 | |
92d7f7b0 JS |
1992 | spin_lock_irq(&phba->hbalock); |
1993 | list_del_init(&vport->listentry); | |
1994 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 1995 | |
92d7f7b0 | 1996 | lpfc_cleanup(vport); |
47a8617c | 1997 | return; |
47a8617c JS |
1998 | } |
1999 | ||
e59058c4 JS |
2000 | /** |
2001 | * lpfc_get_instance: Get a unique integer ID. | |
2002 | * | |
2003 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
2004 | * uses the kernel idr facility to perform the task. | |
2005 | * | |
2006 | * Return codes: | |
2007 | * instance - a unique integer ID allocated as the new instance. | |
2008 | * -1 - lpfc get instance failed. | |
2009 | **/ | |
92d7f7b0 JS |
2010 | int |
2011 | lpfc_get_instance(void) | |
2012 | { | |
2013 | int instance = 0; | |
47a8617c | 2014 | |
92d7f7b0 JS |
2015 | /* Assign an unused number */ |
2016 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
2017 | return -1; | |
2018 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
2019 | return -1; | |
2020 | return instance; | |
47a8617c JS |
2021 | } |
2022 | ||
e59058c4 JS |
2023 | /** |
2024 | * lpfc_scan_finished: method for SCSI layer to detect whether scan is done. | |
2025 | * @shost: pointer to SCSI host data structure. | |
2026 | * @time: elapsed time of the scan in jiffies. | |
2027 | * | |
2028 | * This routine is called by the SCSI layer with a SCSI host to determine | |
2029 | * whether the scan host is finished. | |
2030 | * | |
2031 | * Note: there is no scan_start function as adapter initialization will have | |
2032 | * asynchronously kicked off the link initialization. | |
2033 | * | |
2034 | * Return codes | |
2035 | * 0 - SCSI host scan is not over yet. | |
2036 | * 1 - SCSI host scan is over. | |
2037 | **/ | |
47a8617c JS |
2038 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
2039 | { | |
2e0fef85 JS |
2040 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2041 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 2042 | int stat = 0; |
47a8617c | 2043 | |
858c9f6c JS |
2044 | spin_lock_irq(shost->host_lock); |
2045 | ||
51ef4c26 | 2046 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
2047 | stat = 1; |
2048 | goto finished; | |
2049 | } | |
2e0fef85 JS |
2050 | if (time >= 30 * HZ) { |
2051 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2052 | "0461 Scanning longer than 30 " |
2053 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2054 | stat = 1; |
47a8617c | 2055 | goto finished; |
2e0fef85 JS |
2056 | } |
2057 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
2058 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2059 | "0465 Link down longer than 15 " |
2060 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2061 | stat = 1; |
47a8617c | 2062 | goto finished; |
2e0fef85 | 2063 | } |
47a8617c | 2064 | |
2e0fef85 | 2065 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 2066 | goto finished; |
2e0fef85 | 2067 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 2068 | goto finished; |
2e0fef85 | 2069 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 2070 | goto finished; |
2e0fef85 | 2071 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
2072 | goto finished; |
2073 | ||
2074 | stat = 1; | |
47a8617c JS |
2075 | |
2076 | finished: | |
858c9f6c JS |
2077 | spin_unlock_irq(shost->host_lock); |
2078 | return stat; | |
92d7f7b0 | 2079 | } |
47a8617c | 2080 | |
e59058c4 JS |
2081 | /** |
2082 | * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port. | |
2083 | * @shost: pointer to SCSI host data structure. | |
2084 | * | |
2085 | * This routine initializes a given SCSI host attributes on a FC port. The | |
2086 | * SCSI host can be either on top of a physical port or a virtual port. | |
2087 | **/ | |
92d7f7b0 JS |
2088 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
2089 | { | |
2090 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2091 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2092 | /* |
2e0fef85 | 2093 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
2094 | */ |
2095 | ||
2e0fef85 JS |
2096 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
2097 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
2098 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
2099 | ||
2100 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 2101 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
2102 | fc_host_supported_fc4s(shost)[2] = 1; |
2103 | fc_host_supported_fc4s(shost)[7] = 1; | |
2104 | ||
92d7f7b0 JS |
2105 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
2106 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
2107 | |
2108 | fc_host_supported_speeds(shost) = 0; | |
2109 | if (phba->lmt & LMT_10Gb) | |
2110 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
2111 | if (phba->lmt & LMT_8Gb) |
2112 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
2113 | if (phba->lmt & LMT_4Gb) |
2114 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
2115 | if (phba->lmt & LMT_2Gb) | |
2116 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
2117 | if (phba->lmt & LMT_1Gb) | |
2118 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
2119 | ||
2120 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
2121 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
2122 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
2123 | |
2124 | /* This value is also unchanging */ | |
2125 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 2126 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
2127 | fc_host_active_fc4s(shost)[2] = 1; |
2128 | fc_host_active_fc4s(shost)[7] = 1; | |
2129 | ||
92d7f7b0 | 2130 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 2131 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2132 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 2133 | spin_unlock_irq(shost->host_lock); |
47a8617c | 2134 | } |
dea3101e | 2135 | |
e59058c4 JS |
2136 | /** |
2137 | * lpfc_enable_msix: Enable MSI-X interrupt mode. | |
2138 | * @phba: pointer to lpfc hba data structure. | |
2139 | * | |
2140 | * This routine is invoked to enable the MSI-X interrupt vectors. The kernel | |
2141 | * function pci_enable_msix() is called to enable the MSI-X vectors. Note that | |
2142 | * pci_enable_msix(), once invoked, enables either all or nothing, depending | |
2143 | * on the current availability of PCI vector resources. The device driver is | |
2144 | * responsible for calling the individual request_irq() to register each MSI-X | |
2145 | * vector with a interrupt handler, which is done in this function. Note that | |
2146 | * later when device is unloading, the driver should always call free_irq() | |
2147 | * on all MSI-X vectors it has done request_irq() on before calling | |
2148 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
2149 | * will be left with MSI-X enabled and leaks its vectors. | |
2150 | * | |
2151 | * Return codes | |
2152 | * 0 - sucessful | |
2153 | * other values - error | |
2154 | **/ | |
db2378e0 JS |
2155 | static int |
2156 | lpfc_enable_msix(struct lpfc_hba *phba) | |
2157 | { | |
2158 | int error; | |
2159 | ||
2160 | phba->msix_entries[0].entry = 0; | |
2161 | phba->msix_entries[0].vector = 0; | |
2162 | ||
2163 | error = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
2164 | ARRAY_SIZE(phba->msix_entries)); | |
2165 | if (error) { | |
2166 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2167 | "0420 Enable MSI-X failed (%d), continuing " | |
2168 | "with MSI\n", error); | |
2169 | pci_disable_msix(phba->pcidev); | |
2170 | return error; | |
2171 | } | |
2172 | ||
2173 | error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0, | |
2174 | LPFC_DRIVER_NAME, phba); | |
2175 | if (error) { | |
2176 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2177 | "0421 MSI-X request_irq failed (%d), " | |
2178 | "continuing with MSI\n", error); | |
2179 | pci_disable_msix(phba->pcidev); | |
2180 | } | |
2181 | return error; | |
2182 | } | |
2183 | ||
e59058c4 JS |
2184 | /** |
2185 | * lpfc_disable_msix: Disable MSI-X interrupt mode. | |
2186 | * @phba: pointer to lpfc hba data structure. | |
2187 | * | |
2188 | * This routine is invoked to release the MSI-X vectors and then disable the | |
2189 | * MSI-X interrupt mode. | |
2190 | **/ | |
db2378e0 JS |
2191 | static void |
2192 | lpfc_disable_msix(struct lpfc_hba *phba) | |
2193 | { | |
2194 | free_irq(phba->msix_entries[0].vector, phba); | |
2195 | pci_disable_msix(phba->pcidev); | |
2196 | } | |
2197 | ||
e59058c4 JS |
2198 | /** |
2199 | * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem. | |
2200 | * @pdev: pointer to PCI device | |
2201 | * @pid: pointer to PCI device identifier | |
2202 | * | |
2203 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
2204 | * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at | |
2205 | * PCI device-specific information of the device and driver to see if the | |
2206 | * driver state that it can support this kind of device. If the match is | |
2207 | * successful, the driver core invokes this routine. If this routine | |
2208 | * determines it can claim the HBA, it does all the initialization that it | |
2209 | * needs to do to handle the HBA properly. | |
2210 | * | |
2211 | * Return code | |
2212 | * 0 - driver can claim the device | |
2213 | * negative value - driver can not claim the device | |
2214 | **/ | |
dea3101e | 2215 | static int __devinit |
2216 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
2217 | { | |
2e0fef85 JS |
2218 | struct lpfc_vport *vport = NULL; |
2219 | struct lpfc_hba *phba; | |
2220 | struct lpfc_sli *psli; | |
dea3101e | 2221 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; |
2e0fef85 | 2222 | struct Scsi_Host *shost = NULL; |
51ef4c26 | 2223 | void *ptr; |
dea3101e | 2224 | unsigned long bar0map_len, bar2map_len; |
98c9ea5c | 2225 | int error = -ENODEV, retval; |
51ef4c26 | 2226 | int i, hbq_count; |
604a3e30 | 2227 | uint16_t iotag; |
8a4df120 | 2228 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
dea3101e | 2229 | |
d5f78fb0 | 2230 | if (pci_enable_device_mem(pdev)) |
dea3101e | 2231 | goto out; |
8a4df120 | 2232 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) |
dea3101e | 2233 | goto out_disable_device; |
2234 | ||
2e0fef85 JS |
2235 | phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); |
2236 | if (!phba) | |
dea3101e | 2237 | goto out_release_regions; |
2238 | ||
2e0fef85 | 2239 | spin_lock_init(&phba->hbalock); |
dea3101e | 2240 | |
e47c9093 JS |
2241 | /* Initialize ndlp management spinlock */ |
2242 | spin_lock_init(&phba->ndlp_lock); | |
2243 | ||
dea3101e | 2244 | phba->pcidev = pdev; |
2245 | ||
2246 | /* Assign an unused board number */ | |
92d7f7b0 | 2247 | if ((phba->brd_no = lpfc_get_instance()) < 0) |
2e0fef85 | 2248 | goto out_free_phba; |
dea3101e | 2249 | |
2e0fef85 | 2250 | INIT_LIST_HEAD(&phba->port_list); |
2e0fef85 JS |
2251 | /* |
2252 | * Get all the module params for configuring this host and then | |
2253 | * establish the host. | |
2254 | */ | |
2255 | lpfc_get_cfgparam(phba); | |
92d7f7b0 | 2256 | phba->max_vpi = LPFC_MAX_VPI; |
dea3101e | 2257 | |
2258 | /* Initialize timers used by driver */ | |
858c9f6c JS |
2259 | init_timer(&phba->hb_tmofunc); |
2260 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
2261 | phba->hb_tmofunc.data = (unsigned long)phba; | |
2262 | ||
dea3101e | 2263 | psli = &phba->sli; |
2264 | init_timer(&psli->mbox_tmo); | |
2265 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 2266 | psli->mbox_tmo.data = (unsigned long) phba; |
875fbdfe JSEC |
2267 | init_timer(&phba->fcp_poll_timer); |
2268 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 2269 | phba->fcp_poll_timer.data = (unsigned long) phba; |
92d7f7b0 JS |
2270 | init_timer(&phba->fabric_block_timer); |
2271 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
2272 | phba->fabric_block_timer.data = (unsigned long) phba; | |
dea3101e | 2273 | |
dea3101e | 2274 | pci_set_master(pdev); |
694625c0 | 2275 | pci_try_set_mwi(pdev); |
dea3101e | 2276 | |
2277 | if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) | |
2278 | if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) | |
2279 | goto out_idr_remove; | |
2280 | ||
2281 | /* | |
2282 | * Get the bus address of Bar0 and Bar2 and the number of bytes | |
2283 | * required by each mapping. | |
2284 | */ | |
2285 | phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); | |
2286 | bar0map_len = pci_resource_len(phba->pcidev, 0); | |
2287 | ||
2288 | phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); | |
2289 | bar2map_len = pci_resource_len(phba->pcidev, 2); | |
2290 | ||
901a920f | 2291 | /* Map HBA SLIM to a kernel virtual address. */ |
dea3101e | 2292 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); |
901a920f JW |
2293 | if (!phba->slim_memmap_p) { |
2294 | error = -ENODEV; | |
2295 | dev_printk(KERN_ERR, &pdev->dev, | |
2296 | "ioremap failed for SLIM memory.\n"); | |
2297 | goto out_idr_remove; | |
2298 | } | |
2299 | ||
2300 | /* Map HBA Control Registers to a kernel virtual address. */ | |
dea3101e | 2301 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); |
901a920f JW |
2302 | if (!phba->ctrl_regs_memmap_p) { |
2303 | error = -ENODEV; | |
2304 | dev_printk(KERN_ERR, &pdev->dev, | |
2305 | "ioremap failed for HBA control registers.\n"); | |
2306 | goto out_iounmap_slim; | |
2307 | } | |
dea3101e | 2308 | |
2309 | /* Allocate memory for SLI-2 structures */ | |
34b02dcd JS |
2310 | phba->slim2p.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2311 | SLI2_SLIM_SIZE, | |
2312 | &phba->slim2p.phys, | |
2313 | GFP_KERNEL); | |
2314 | if (!phba->slim2p.virt) | |
dea3101e | 2315 | goto out_iounmap; |
2316 | ||
34b02dcd | 2317 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); |
d7c255b2 JS |
2318 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); |
2319 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); | |
2320 | phba->IOCBs = (phba->slim2p.virt + | |
2321 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
dea3101e | 2322 | |
ed957684 JS |
2323 | phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2324 | lpfc_sli_hbq_size(), | |
2325 | &phba->hbqslimp.phys, | |
2326 | GFP_KERNEL); | |
2327 | if (!phba->hbqslimp.virt) | |
2328 | goto out_free_slim; | |
2329 | ||
51ef4c26 JS |
2330 | hbq_count = lpfc_sli_hbq_count(); |
2331 | ptr = phba->hbqslimp.virt; | |
2332 | for (i = 0; i < hbq_count; ++i) { | |
2333 | phba->hbqs[i].hbq_virt = ptr; | |
2334 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
2335 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
2336 | sizeof(struct lpfc_hbq_entry)); | |
2337 | } | |
2338 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
2339 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
2340 | ||
ed957684 JS |
2341 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); |
2342 | ||
3163f725 JS |
2343 | INIT_LIST_HEAD(&phba->hbqbuf_in_list); |
2344 | ||
dea3101e | 2345 | /* Initialize the SLI Layer to run with lpfc HBAs. */ |
2346 | lpfc_sli_setup(phba); | |
2347 | lpfc_sli_queue_setup(phba); | |
2348 | ||
98c9ea5c JS |
2349 | retval = lpfc_mem_alloc(phba); |
2350 | if (retval) { | |
2351 | error = retval; | |
ed957684 | 2352 | goto out_free_hbqslimp; |
98c9ea5c | 2353 | } |
dea3101e | 2354 | |
2355 | /* Initialize and populate the iocb list per host. */ | |
2356 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
2357 | for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { | |
dd00cc48 | 2358 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e | 2359 | if (iocbq_entry == NULL) { |
2360 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
2361 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 2362 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e | 2363 | error = -ENOMEM; |
2364 | goto out_free_iocbq; | |
2365 | } | |
2366 | ||
604a3e30 JB |
2367 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
2368 | if (iotag == 0) { | |
2369 | kfree (iocbq_entry); | |
2370 | printk(KERN_ERR "%s: failed to allocate IOTAG. " | |
2371 | "Unloading driver.\n", | |
cadbd4a5 | 2372 | __func__); |
604a3e30 JB |
2373 | error = -ENOMEM; |
2374 | goto out_free_iocbq; | |
2375 | } | |
2e0fef85 JS |
2376 | |
2377 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 2378 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
2379 | phba->total_iocbq_bufs++; | |
2e0fef85 | 2380 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2381 | } |
2382 | ||
2383 | /* Initialize HBA structure */ | |
2384 | phba->fc_edtov = FF_DEF_EDTOV; | |
2385 | phba->fc_ratov = FF_DEF_RATOV; | |
2386 | phba->fc_altov = FF_DEF_ALTOV; | |
2387 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
2388 | ||
2389 | INIT_LIST_HEAD(&phba->work_list); | |
2390 | phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); | |
2391 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
2392 | ||
5e9d9b82 JS |
2393 | /* Initialize the wait queue head for the kernel thread */ |
2394 | init_waitqueue_head(&phba->work_waitq); | |
2395 | ||
dea3101e | 2396 | /* Startup the kernel thread for this host adapter. */ |
2397 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
2398 | "lpfc_worker_%d", phba->brd_no); | |
2399 | if (IS_ERR(phba->worker_thread)) { | |
2400 | error = PTR_ERR(phba->worker_thread); | |
2401 | goto out_free_iocbq; | |
2402 | } | |
2403 | ||
dea3101e | 2404 | /* Initialize the list of scsi buffers used by driver for scsi IO. */ |
875fbdfe | 2405 | spin_lock_init(&phba->scsi_buf_list_lock); |
dea3101e | 2406 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); |
2407 | ||
92d7f7b0 JS |
2408 | /* Initialize list of fabric iocbs */ |
2409 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
2410 | ||
0ff10d46 JS |
2411 | /* Initialize list to save ELS buffers */ |
2412 | INIT_LIST_HEAD(&phba->elsbuf); | |
2413 | ||
3de2a653 | 2414 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
2e0fef85 JS |
2415 | if (!vport) |
2416 | goto out_kthread_stop; | |
2417 | ||
2418 | shost = lpfc_shost_from_vport(vport); | |
2e0fef85 | 2419 | phba->pport = vport; |
858c9f6c | 2420 | lpfc_debugfs_initialize(vport); |
2e0fef85 | 2421 | |
92d7f7b0 | 2422 | pci_set_drvdata(pdev, shost); |
db2378e0 JS |
2423 | phba->intr_type = NONE; |
2424 | ||
2425 | if (phba->cfg_use_msi == 2) { | |
2426 | error = lpfc_enable_msix(phba); | |
2427 | if (!error) | |
2428 | phba->intr_type = MSIX; | |
2429 | } | |
dea3101e | 2430 | |
db2378e0 JS |
2431 | /* Fallback to MSI if MSI-X initialization failed */ |
2432 | if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { | |
98c9ea5c JS |
2433 | retval = pci_enable_msi(phba->pcidev); |
2434 | if (!retval) | |
db2378e0 | 2435 | phba->intr_type = MSI; |
51ef4c26 | 2436 | else |
e8b62011 JS |
2437 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2438 | "0452 Enable MSI failed, continuing " | |
2439 | "with IRQ\n"); | |
4ff43246 JS |
2440 | } |
2441 | ||
db2378e0 JS |
2442 | /* MSI-X is the only case the doesn't need to call request_irq */ |
2443 | if (phba->intr_type != MSIX) { | |
2444 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2445 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2446 | if (retval) { | |
2447 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable " | |
2448 | "interrupt handler failed\n"); | |
2449 | error = retval; | |
2450 | goto out_disable_msi; | |
2451 | } else if (phba->intr_type != MSI) | |
2452 | phba->intr_type = INTx; | |
dea3101e | 2453 | } |
dea3101e | 2454 | |
2e0fef85 JS |
2455 | phba->MBslimaddr = phba->slim_memmap_p; |
2456 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
2457 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
2458 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
2459 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
2460 | ||
98c9ea5c JS |
2461 | if (lpfc_alloc_sysfs_attr(vport)) { |
2462 | error = -ENOMEM; | |
dea3101e | 2463 | goto out_free_irq; |
98c9ea5c | 2464 | } |
875fbdfe | 2465 | |
98c9ea5c JS |
2466 | if (lpfc_sli_hba_setup(phba)) { |
2467 | error = -ENODEV; | |
858c9f6c | 2468 | goto out_remove_device; |
98c9ea5c | 2469 | } |
858c9f6c JS |
2470 | |
2471 | /* | |
2472 | * hba setup may have changed the hba_queue_depth so we need to adjust | |
2473 | * the value of can_queue. | |
2474 | */ | |
2475 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
2476 | ||
2477 | lpfc_host_attrib_init(shost); | |
2478 | ||
2e0fef85 JS |
2479 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
2480 | spin_lock_irq(shost->host_lock); | |
2481 | lpfc_poll_start_timer(phba); | |
2482 | spin_unlock_irq(shost->host_lock); | |
2483 | } | |
dea3101e | 2484 | |
858c9f6c | 2485 | scsi_scan_host(shost); |
dea3101e | 2486 | |
dea3101e | 2487 | return 0; |
2488 | ||
858c9f6c JS |
2489 | out_remove_device: |
2490 | lpfc_free_sysfs_attr(vport); | |
2491 | spin_lock_irq(shost->host_lock); | |
51ef4c26 | 2492 | vport->load_flag |= FC_UNLOADING; |
858c9f6c | 2493 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2494 | out_free_irq: |
92d7f7b0 | 2495 | lpfc_stop_phba_timers(phba); |
2e0fef85 | 2496 | phba->pport->work_port_events = 0; |
db2378e0 JS |
2497 | |
2498 | if (phba->intr_type == MSIX) | |
2499 | lpfc_disable_msix(phba); | |
2500 | else | |
2501 | free_irq(phba->pcidev->irq, phba); | |
2502 | ||
92d7f7b0 | 2503 | out_disable_msi: |
db2378e0 | 2504 | if (phba->intr_type == MSI) |
51ef4c26 | 2505 | pci_disable_msi(phba->pcidev); |
2e0fef85 | 2506 | destroy_port(vport); |
dea3101e | 2507 | out_kthread_stop: |
2508 | kthread_stop(phba->worker_thread); | |
2509 | out_free_iocbq: | |
2510 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
2511 | &phba->lpfc_iocb_list, list) { | |
dea3101e | 2512 | kfree(iocbq_entry); |
2513 | phba->total_iocbq_bufs--; | |
dea3101e | 2514 | } |
2515 | lpfc_mem_free(phba); | |
ed957684 | 2516 | out_free_hbqslimp: |
34b02dcd JS |
2517 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), |
2518 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
dea3101e | 2519 | out_free_slim: |
34b02dcd JS |
2520 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, |
2521 | phba->slim2p.virt, phba->slim2p.phys); | |
dea3101e | 2522 | out_iounmap: |
2523 | iounmap(phba->ctrl_regs_memmap_p); | |
901a920f | 2524 | out_iounmap_slim: |
dea3101e | 2525 | iounmap(phba->slim_memmap_p); |
2526 | out_idr_remove: | |
2527 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2e0fef85 JS |
2528 | out_free_phba: |
2529 | kfree(phba); | |
dea3101e | 2530 | out_release_regions: |
8a4df120 | 2531 | pci_release_selected_regions(pdev, bars); |
dea3101e | 2532 | out_disable_device: |
2533 | pci_disable_device(pdev); | |
2534 | out: | |
defbcf11 | 2535 | pci_set_drvdata(pdev, NULL); |
858c9f6c JS |
2536 | if (shost) |
2537 | scsi_host_put(shost); | |
dea3101e | 2538 | return error; |
2539 | } | |
2540 | ||
e59058c4 JS |
2541 | /** |
2542 | * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem. | |
2543 | * @pdev: pointer to PCI device | |
2544 | * | |
2545 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
2546 | * Emulex HBA is removed from PCI bus. It perform all the necessary cleanup | |
2547 | * for the HBA device to be removed from the PCI subsystem properly. | |
2548 | **/ | |
dea3101e | 2549 | static void __devexit |
2550 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
2551 | { | |
2e0fef85 JS |
2552 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2553 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2554 | struct lpfc_hba *phba = vport->phba; | |
8a4df120 TK |
2555 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
2556 | ||
549e55cd | 2557 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2558 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 2559 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2560 | |
858c9f6c JS |
2561 | kfree(vport->vname); |
2562 | lpfc_free_sysfs_attr(vport); | |
2563 | ||
09372820 JS |
2564 | kthread_stop(phba->worker_thread); |
2565 | ||
858c9f6c JS |
2566 | fc_remove_host(shost); |
2567 | scsi_remove_host(shost); | |
87af33fe JS |
2568 | lpfc_cleanup(vport); |
2569 | ||
2e0fef85 JS |
2570 | /* |
2571 | * Bring down the SLI Layer. This step disable all interrupts, | |
2572 | * clears the rings, discards all mailbox commands, and resets | |
2573 | * the HBA. | |
2574 | */ | |
2575 | lpfc_sli_hba_down(phba); | |
2576 | lpfc_sli_brdrestart(phba); | |
2577 | ||
92d7f7b0 | 2578 | lpfc_stop_phba_timers(phba); |
858c9f6c JS |
2579 | spin_lock_irq(&phba->hbalock); |
2580 | list_del_init(&vport->listentry); | |
2581 | spin_unlock_irq(&phba->hbalock); | |
2582 | ||
858c9f6c | 2583 | lpfc_debugfs_terminate(vport); |
2e0fef85 | 2584 | |
db2378e0 JS |
2585 | if (phba->intr_type == MSIX) |
2586 | lpfc_disable_msix(phba); | |
2587 | else { | |
2588 | free_irq(phba->pcidev->irq, phba); | |
2589 | if (phba->intr_type == MSI) | |
2590 | pci_disable_msi(phba->pcidev); | |
2591 | } | |
dea3101e | 2592 | |
2593 | pci_set_drvdata(pdev, NULL); | |
858c9f6c | 2594 | scsi_host_put(shost); |
2e0fef85 JS |
2595 | |
2596 | /* | |
2597 | * Call scsi_free before mem_free since scsi bufs are released to their | |
2598 | * corresponding pools here. | |
2599 | */ | |
2600 | lpfc_scsi_free(phba); | |
2601 | lpfc_mem_free(phba); | |
2602 | ||
34b02dcd JS |
2603 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), |
2604 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
ed957684 | 2605 | |
2e0fef85 JS |
2606 | /* Free resources associated with SLI2 interface */ |
2607 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
34b02dcd | 2608 | phba->slim2p.virt, phba->slim2p.phys); |
2e0fef85 JS |
2609 | |
2610 | /* unmap adapter SLIM and Control Registers */ | |
2611 | iounmap(phba->ctrl_regs_memmap_p); | |
2612 | iounmap(phba->slim_memmap_p); | |
2613 | ||
2614 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2615 | ||
2616 | kfree(phba); | |
2617 | ||
8a4df120 | 2618 | pci_release_selected_regions(pdev, bars); |
2e0fef85 | 2619 | pci_disable_device(pdev); |
dea3101e | 2620 | } |
2621 | ||
8d63f375 | 2622 | /** |
e59058c4 JS |
2623 | * lpfc_io_error_detected: Driver method for handling PCI I/O error detected. |
2624 | * @pdev: pointer to PCI device. | |
2625 | * @state: the current PCI connection state. | |
8d63f375 | 2626 | * |
e59058c4 JS |
2627 | * This routine is registered to the PCI subsystem for error handling. This |
2628 | * function is called by the PCI subsystem after a PCI bus error affecting | |
2629 | * this device has been detected. When this function is invoked, it will | |
2630 | * need to stop all the I/Os and interrupt(s) to the device. Once that is | |
2631 | * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to | |
2632 | * perform proper recovery as desired. | |
2633 | * | |
2634 | * Return codes | |
2635 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
2636 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
2637 | **/ | |
8d63f375 LV |
2638 | static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, |
2639 | pci_channel_state_t state) | |
2640 | { | |
51ef4c26 JS |
2641 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2642 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 LV |
2643 | struct lpfc_sli *psli = &phba->sli; |
2644 | struct lpfc_sli_ring *pring; | |
2645 | ||
5daa49ef | 2646 | if (state == pci_channel_io_perm_failure) |
8d63f375 | 2647 | return PCI_ERS_RESULT_DISCONNECT; |
5daa49ef | 2648 | |
8d63f375 LV |
2649 | pci_disable_device(pdev); |
2650 | /* | |
2651 | * There may be I/Os dropped by the firmware. | |
2652 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
2653 | * retry it after re-establishing link. | |
2654 | */ | |
2655 | pring = &psli->ring[psli->fcp_ring]; | |
2656 | lpfc_sli_abort_iocb_ring(phba, pring); | |
2657 | ||
db2378e0 JS |
2658 | if (phba->intr_type == MSIX) |
2659 | lpfc_disable_msix(phba); | |
2660 | else { | |
2661 | free_irq(phba->pcidev->irq, phba); | |
2662 | if (phba->intr_type == MSI) | |
2663 | pci_disable_msi(phba->pcidev); | |
2664 | } | |
51ef4c26 | 2665 | |
8d63f375 LV |
2666 | /* Request a slot reset. */ |
2667 | return PCI_ERS_RESULT_NEED_RESET; | |
2668 | } | |
2669 | ||
2670 | /** | |
e59058c4 JS |
2671 | * lpfc_io_slot_reset: Restart a PCI device from scratch. |
2672 | * @pdev: pointer to PCI device. | |
2673 | * | |
2674 | * This routine is registered to the PCI subsystem for error handling. This is | |
2675 | * called after PCI bus has been reset to restart the PCI card from scratch, | |
2676 | * as if from a cold-boot. During the PCI subsystem error recovery, after the | |
2677 | * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform | |
2678 | * proper error recovery and then call this routine before calling the .resume | |
2679 | * method to recover the device. This function will initialize the HBA device, | |
2680 | * enable the interrupt, but it will just put the HBA to offline state without | |
2681 | * passing any I/O traffic. | |
8d63f375 | 2682 | * |
e59058c4 JS |
2683 | * Return codes |
2684 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
2685 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 LV |
2686 | */ |
2687 | static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) | |
2688 | { | |
51ef4c26 JS |
2689 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2690 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 2691 | struct lpfc_sli *psli = &phba->sli; |
9b379605 | 2692 | int error, retval; |
8d63f375 LV |
2693 | |
2694 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
09483916 | 2695 | if (pci_enable_device_mem(pdev)) { |
8d63f375 LV |
2696 | printk(KERN_ERR "lpfc: Cannot re-enable " |
2697 | "PCI device after reset.\n"); | |
2698 | return PCI_ERS_RESULT_DISCONNECT; | |
2699 | } | |
2700 | ||
2701 | pci_set_master(pdev); | |
2702 | ||
92d7f7b0 | 2703 | spin_lock_irq(&phba->hbalock); |
8d63f375 | 2704 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 2705 | spin_unlock_irq(&phba->hbalock); |
8d63f375 | 2706 | |
9b379605 JS |
2707 | /* Enable configured interrupt method */ |
2708 | phba->intr_type = NONE; | |
2709 | if (phba->cfg_use_msi == 2) { | |
2710 | error = lpfc_enable_msix(phba); | |
2711 | if (!error) | |
2712 | phba->intr_type = MSIX; | |
2713 | } | |
2714 | ||
2715 | /* Fallback to MSI if MSI-X initialization failed */ | |
2716 | if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { | |
2717 | retval = pci_enable_msi(phba->pcidev); | |
2718 | if (!retval) | |
2719 | phba->intr_type = MSI; | |
2720 | else | |
2721 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2722 | "0470 Enable MSI failed, continuing " | |
2723 | "with IRQ\n"); | |
2724 | } | |
2725 | ||
2726 | /* MSI-X is the only case the doesn't need to call request_irq */ | |
2727 | if (phba->intr_type != MSIX) { | |
2728 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2729 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2730 | if (retval) { | |
2731 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2732 | "0471 Enable interrupt handler " | |
2733 | "failed\n"); | |
2734 | } else if (phba->intr_type != MSI) | |
2735 | phba->intr_type = INTx; | |
2736 | } | |
8d63f375 LV |
2737 | |
2738 | /* Take device offline; this will perform cleanup */ | |
2739 | lpfc_offline(phba); | |
2740 | lpfc_sli_brdrestart(phba); | |
2741 | ||
2742 | return PCI_ERS_RESULT_RECOVERED; | |
2743 | } | |
2744 | ||
2745 | /** | |
e59058c4 JS |
2746 | * lpfc_io_resume: Resume PCI I/O operation. |
2747 | * @pdev: pointer to PCI device | |
8d63f375 | 2748 | * |
e59058c4 JS |
2749 | * This routine is registered to the PCI subsystem for error handling. It is |
2750 | * called when kernel error recovery tells the lpfc driver that it is ok to | |
2751 | * resume normal PCI operation after PCI bus error recovery. After this call, | |
2752 | * traffic can start to flow from this device again. | |
8d63f375 LV |
2753 | */ |
2754 | static void lpfc_io_resume(struct pci_dev *pdev) | |
2755 | { | |
51ef4c26 JS |
2756 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2757 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 2758 | |
58da1ffb | 2759 | lpfc_online(phba); |
8d63f375 LV |
2760 | } |
2761 | ||
dea3101e | 2762 | static struct pci_device_id lpfc_id_table[] = { |
2763 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
2764 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
2765 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
2766 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 2767 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
2768 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2769 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
2770 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2771 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
2772 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2773 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
2774 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2775 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
2776 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2777 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
2778 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2779 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
2780 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2781 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
2782 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2783 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
2784 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2785 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
2786 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 2787 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
2788 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2789 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
2790 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2791 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
2792 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 2793 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
2794 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2795 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
2796 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2797 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
2798 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2799 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
2800 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2801 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
2802 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 2803 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
2804 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2805 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
2806 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2807 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
2808 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2809 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
2810 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2811 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
2812 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2813 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
2814 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2815 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
2816 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
2817 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
2818 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2819 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
2820 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2821 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
2822 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2823 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
2824 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2825 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
2826 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2827 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
2828 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 2829 | { 0 } |
2830 | }; | |
2831 | ||
2832 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
2833 | ||
8d63f375 LV |
2834 | static struct pci_error_handlers lpfc_err_handler = { |
2835 | .error_detected = lpfc_io_error_detected, | |
2836 | .slot_reset = lpfc_io_slot_reset, | |
2837 | .resume = lpfc_io_resume, | |
2838 | }; | |
2839 | ||
dea3101e | 2840 | static struct pci_driver lpfc_driver = { |
2841 | .name = LPFC_DRIVER_NAME, | |
2842 | .id_table = lpfc_id_table, | |
2843 | .probe = lpfc_pci_probe_one, | |
2844 | .remove = __devexit_p(lpfc_pci_remove_one), | |
2e0fef85 | 2845 | .err_handler = &lpfc_err_handler, |
dea3101e | 2846 | }; |
2847 | ||
e59058c4 JS |
2848 | /** |
2849 | * lpfc_init: lpfc module initialization routine. | |
2850 | * | |
2851 | * This routine is to be invoked when the lpfc module is loaded into the | |
2852 | * kernel. The special kernel macro module_init() is used to indicate the | |
2853 | * role of this routine to the kernel as lpfc module entry point. | |
2854 | * | |
2855 | * Return codes | |
2856 | * 0 - successful | |
2857 | * -ENOMEM - FC attach transport failed | |
2858 | * all others - failed | |
2859 | */ | |
dea3101e | 2860 | static int __init |
2861 | lpfc_init(void) | |
2862 | { | |
2863 | int error = 0; | |
2864 | ||
2865 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 2866 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 2867 | |
7ee5d43e JS |
2868 | if (lpfc_enable_npiv) { |
2869 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
2870 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
2871 | } | |
dea3101e | 2872 | lpfc_transport_template = |
2873 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 2874 | if (lpfc_transport_template == NULL) |
dea3101e | 2875 | return -ENOMEM; |
7ee5d43e | 2876 | if (lpfc_enable_npiv) { |
7ee5d43e | 2877 | lpfc_vport_transport_template = |
98c9ea5c JS |
2878 | fc_attach_transport(&lpfc_vport_transport_functions); |
2879 | if (lpfc_vport_transport_template == NULL) { | |
2880 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 2881 | return -ENOMEM; |
98c9ea5c | 2882 | } |
7ee5d43e | 2883 | } |
dea3101e | 2884 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 2885 | if (error) { |
dea3101e | 2886 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
2887 | if (lpfc_enable_npiv) |
2888 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 2889 | } |
dea3101e | 2890 | |
2891 | return error; | |
2892 | } | |
2893 | ||
e59058c4 JS |
2894 | /** |
2895 | * lpfc_exit: lpfc module removal routine. | |
2896 | * | |
2897 | * This routine is invoked when the lpfc module is removed from the kernel. | |
2898 | * The special kernel macro module_exit() is used to indicate the role of | |
2899 | * this routine to the kernel as lpfc module exit point. | |
2900 | */ | |
dea3101e | 2901 | static void __exit |
2902 | lpfc_exit(void) | |
2903 | { | |
2904 | pci_unregister_driver(&lpfc_driver); | |
2905 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
2906 | if (lpfc_enable_npiv) |
2907 | fc_release_transport(lpfc_vport_transport_template); | |
dea3101e | 2908 | } |
2909 | ||
2910 | module_init(lpfc_init); | |
2911 | module_exit(lpfc_exit); | |
2912 | MODULE_LICENSE("GPL"); | |
2913 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
2914 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
2915 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |