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1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
3 | * Enterprise Fibre Channel Host Bus Adapters. * | |
4 | * Refer to the README file included with this package for * | |
5 | * driver version and adapter support. * | |
6 | * Copyright (C) 2004 Emulex Corporation. * | |
7 | * www.emulex.com * | |
8 | * * | |
9 | * This program is free software; you can redistribute it and/or * | |
10 | * modify it under the terms of the GNU General Public License * | |
11 | * as published by the Free Software Foundation; either version 2 * | |
12 | * of the License, or (at your option) any later version. * | |
13 | * * | |
14 | * This program is distributed in the hope that it will be useful, * | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
17 | * GNU General Public License for more details, a copy of which * | |
18 | * can be found in the file COPYING included with this package. * | |
19 | *******************************************************************/ | |
20 | ||
21 | /* | |
22 | * $Id: lpfc_init.c 1.233 2005/04/13 11:59:09EDT sf_support Exp $ | |
23 | */ | |
24 | ||
25 | #include <linux/blkdev.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/dma-mapping.h> | |
28 | #include <linux/idr.h> | |
29 | #include <linux/interrupt.h> | |
30 | #include <linux/kthread.h> | |
31 | #include <linux/pci.h> | |
32 | #include <linux/spinlock.h> | |
33 | ||
34 | #include <scsi/scsi_device.h> | |
35 | #include <scsi/scsi_host.h> | |
36 | #include <scsi/scsi_transport_fc.h> | |
37 | ||
38 | #include "lpfc_hw.h" | |
39 | #include "lpfc_sli.h" | |
40 | #include "lpfc_disc.h" | |
41 | #include "lpfc_scsi.h" | |
42 | #include "lpfc.h" | |
43 | #include "lpfc_logmsg.h" | |
44 | #include "lpfc_crtn.h" | |
45 | #include "lpfc_version.h" | |
46 | ||
47 | static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *); | |
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; | |
52 | static DEFINE_IDR(lpfc_hba_index); | |
53 | ||
54 | /************************************************************************/ | |
55 | /* */ | |
56 | /* lpfc_config_port_prep */ | |
57 | /* This routine will do LPFC initialization prior to the */ | |
58 | /* CONFIG_PORT mailbox command. This will be initialized */ | |
59 | /* as a SLI layer callback routine. */ | |
60 | /* This routine returns 0 on success or -ERESTART if it wants */ | |
61 | /* the SLI layer to reset the HBA and try again. Any */ | |
62 | /* other return value indicates an error. */ | |
63 | /* */ | |
64 | /************************************************************************/ | |
65 | int | |
66 | lpfc_config_port_prep(struct lpfc_hba * phba) | |
67 | { | |
68 | lpfc_vpd_t *vp = &phba->vpd; | |
69 | int i = 0, rc; | |
70 | LPFC_MBOXQ_t *pmb; | |
71 | MAILBOX_t *mb; | |
72 | char *lpfc_vpd_data = NULL; | |
73 | uint16_t offset = 0; | |
74 | static char licensed[56] = | |
75 | "key unlock for use with gnu public licensed code only\0"; | |
76 | ||
77 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
78 | if (!pmb) { | |
79 | phba->hba_state = LPFC_HBA_ERROR; | |
80 | return -ENOMEM; | |
81 | } | |
82 | ||
83 | mb = &pmb->mb; | |
84 | phba->hba_state = LPFC_INIT_MBX_CMDS; | |
85 | ||
86 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
87 | uint32_t *ptext = (uint32_t *) licensed; | |
88 | ||
89 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) | |
90 | *ptext = cpu_to_be32(*ptext); | |
91 | ||
92 | lpfc_read_nv(phba, pmb); | |
93 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
94 | sizeof (mb->un.varRDnvp.rsvd3)); | |
95 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
96 | sizeof (licensed)); | |
97 | ||
98 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
99 | ||
100 | if (rc != MBX_SUCCESS) { | |
101 | lpfc_printf_log(phba, | |
102 | KERN_ERR, | |
103 | LOG_MBOX, | |
104 | "%d:0324 Config Port initialization " | |
105 | "error, mbxCmd x%x READ_NVPARM, " | |
106 | "mbxStatus x%x\n", | |
107 | phba->brd_no, | |
108 | mb->mbxCommand, mb->mbxStatus); | |
109 | mempool_free(pmb, phba->mbox_mem_pool); | |
110 | return -ERESTART; | |
111 | } | |
112 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
113 | sizeof (mb->un.varRDnvp.nodename)); | |
114 | } | |
115 | ||
116 | /* Setup and issue mailbox READ REV command */ | |
117 | lpfc_read_rev(phba, pmb); | |
118 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
119 | if (rc != MBX_SUCCESS) { | |
120 | lpfc_printf_log(phba, | |
121 | KERN_ERR, | |
122 | LOG_INIT, | |
123 | "%d:0439 Adapter failed to init, mbxCmd x%x " | |
124 | "READ_REV, mbxStatus x%x\n", | |
125 | phba->brd_no, | |
126 | mb->mbxCommand, mb->mbxStatus); | |
127 | mempool_free( pmb, phba->mbox_mem_pool); | |
128 | return -ERESTART; | |
129 | } | |
130 | ||
131 | /* The HBA's current state is provided by the ProgType and rr fields. | |
132 | * Read and check the value of these fields before continuing to config | |
133 | * this port. | |
134 | */ | |
135 | if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) { | |
136 | /* Old firmware */ | |
137 | vp->rev.rBit = 0; | |
138 | lpfc_printf_log(phba, | |
139 | KERN_ERR, | |
140 | LOG_INIT, | |
141 | "%d:0440 Adapter failed to init, mbxCmd x%x " | |
142 | "READ_REV detected outdated firmware" | |
143 | "Data: x%x\n", | |
144 | phba->brd_no, | |
145 | mb->mbxCommand, 0); | |
146 | mempool_free(pmb, phba->mbox_mem_pool); | |
147 | return -ERESTART; | |
148 | } else { | |
149 | vp->rev.rBit = 1; | |
150 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; | |
151 | memcpy(vp->rev.sli1FwName, | |
152 | (char*)mb->un.varRdRev.sli1FwName, 16); | |
153 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
154 | memcpy(vp->rev.sli2FwName, | |
155 | (char *)mb->un.varRdRev.sli2FwName, 16); | |
156 | } | |
157 | ||
158 | /* Save information as VPD data */ | |
159 | vp->rev.biuRev = mb->un.varRdRev.biuRev; | |
160 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
161 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
162 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
163 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
164 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
165 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
166 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
167 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
168 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
169 | ||
170 | if (lpfc_is_LC_HBA(phba->pcidev->device)) | |
171 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
172 | sizeof (phba->RandomData)); | |
173 | ||
174 | /* Get the default values for Model Name and Description */ | |
175 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
176 | ||
177 | /* Get adapter VPD information */ | |
178 | pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); | |
179 | if (!pmb->context2) | |
180 | goto out_free_mbox; | |
181 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); | |
182 | if (!lpfc_vpd_data) | |
183 | goto out_free_context2; | |
184 | ||
185 | do { | |
186 | lpfc_dump_mem(phba, pmb, offset); | |
187 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
188 | ||
189 | if (rc != MBX_SUCCESS) { | |
190 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
191 | "%d:0441 VPD not present on adapter, " | |
192 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", | |
193 | phba->brd_no, | |
194 | mb->mbxCommand, mb->mbxStatus); | |
195 | kfree(lpfc_vpd_data); | |
196 | lpfc_vpd_data = NULL; | |
197 | break; | |
198 | } | |
199 | ||
200 | lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, | |
201 | mb->un.varDmp.word_cnt); | |
202 | offset += mb->un.varDmp.word_cnt; | |
203 | } while (mb->un.varDmp.word_cnt); | |
204 | lpfc_parse_vpd(phba, lpfc_vpd_data); | |
205 | ||
206 | kfree(lpfc_vpd_data); | |
207 | out_free_context2: | |
208 | kfree(pmb->context2); | |
209 | out_free_mbox: | |
210 | mempool_free(pmb, phba->mbox_mem_pool); | |
211 | return 0; | |
212 | } | |
213 | ||
214 | /************************************************************************/ | |
215 | /* */ | |
216 | /* lpfc_config_port_post */ | |
217 | /* This routine will do LPFC initialization after the */ | |
218 | /* CONFIG_PORT mailbox command. This will be initialized */ | |
219 | /* as a SLI layer callback routine. */ | |
220 | /* This routine returns 0 on success. Any other return value */ | |
221 | /* indicates an error. */ | |
222 | /* */ | |
223 | /************************************************************************/ | |
224 | int | |
225 | lpfc_config_port_post(struct lpfc_hba * phba) | |
226 | { | |
227 | LPFC_MBOXQ_t *pmb; | |
228 | MAILBOX_t *mb; | |
229 | struct lpfc_dmabuf *mp; | |
230 | struct lpfc_sli *psli = &phba->sli; | |
231 | uint32_t status, timeout; | |
232 | int i, j, rc; | |
233 | ||
234 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
235 | if (!pmb) { | |
236 | phba->hba_state = LPFC_HBA_ERROR; | |
237 | return -ENOMEM; | |
238 | } | |
239 | mb = &pmb->mb; | |
240 | ||
241 | lpfc_config_link(phba, pmb); | |
242 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
243 | if (rc != MBX_SUCCESS) { | |
244 | lpfc_printf_log(phba, | |
245 | KERN_ERR, | |
246 | LOG_INIT, | |
247 | "%d:0447 Adapter failed init, mbxCmd x%x " | |
248 | "CONFIG_LINK mbxStatus x%x\n", | |
249 | phba->brd_no, | |
250 | mb->mbxCommand, mb->mbxStatus); | |
251 | phba->hba_state = LPFC_HBA_ERROR; | |
252 | mempool_free( pmb, phba->mbox_mem_pool); | |
253 | return -EIO; | |
254 | } | |
255 | ||
256 | /* Get login parameters for NID. */ | |
257 | lpfc_read_sparam(phba, pmb); | |
258 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
259 | lpfc_printf_log(phba, | |
260 | KERN_ERR, | |
261 | LOG_INIT, | |
262 | "%d:0448 Adapter failed init, mbxCmd x%x " | |
263 | "READ_SPARM mbxStatus x%x\n", | |
264 | phba->brd_no, | |
265 | mb->mbxCommand, mb->mbxStatus); | |
266 | phba->hba_state = LPFC_HBA_ERROR; | |
267 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
268 | mempool_free( pmb, phba->mbox_mem_pool); | |
269 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
270 | kfree(mp); | |
271 | return -EIO; | |
272 | } | |
273 | ||
274 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
275 | ||
276 | memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm)); | |
277 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
278 | kfree(mp); | |
279 | pmb->context1 = NULL; | |
280 | ||
281 | memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, | |
282 | sizeof (struct lpfc_name)); | |
283 | memcpy(&phba->fc_portname, &phba->fc_sparam.portName, | |
284 | sizeof (struct lpfc_name)); | |
285 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ | |
286 | /* This should be consolidated into parse_vpd ? - mr */ | |
287 | if (phba->SerialNumber[0] == 0) { | |
288 | uint8_t *outptr; | |
289 | ||
290 | outptr = (uint8_t *) & phba->fc_nodename.IEEE[0]; | |
291 | for (i = 0; i < 12; i++) { | |
292 | status = *outptr++; | |
293 | j = ((status & 0xf0) >> 4); | |
294 | if (j <= 9) | |
295 | phba->SerialNumber[i] = | |
296 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
297 | else | |
298 | phba->SerialNumber[i] = | |
299 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
300 | i++; | |
301 | j = (status & 0xf); | |
302 | if (j <= 9) | |
303 | phba->SerialNumber[i] = | |
304 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
305 | else | |
306 | phba->SerialNumber[i] = | |
307 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
308 | } | |
309 | } | |
310 | ||
311 | /* This should turn on DELAYED ABTS for ELS timeouts */ | |
312 | lpfc_set_slim(phba, pmb, 0x052198, 0x1); | |
313 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
314 | phba->hba_state = LPFC_HBA_ERROR; | |
315 | mempool_free( pmb, phba->mbox_mem_pool); | |
316 | return -EIO; | |
317 | } | |
318 | ||
319 | ||
320 | lpfc_read_config(phba, pmb); | |
321 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
322 | lpfc_printf_log(phba, | |
323 | KERN_ERR, | |
324 | LOG_INIT, | |
325 | "%d:0453 Adapter failed to init, mbxCmd x%x " | |
326 | "READ_CONFIG, mbxStatus x%x\n", | |
327 | phba->brd_no, | |
328 | mb->mbxCommand, mb->mbxStatus); | |
329 | phba->hba_state = LPFC_HBA_ERROR; | |
330 | mempool_free( pmb, phba->mbox_mem_pool); | |
331 | return -EIO; | |
332 | } | |
333 | ||
334 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
335 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
336 | phba->cfg_hba_queue_depth = | |
337 | mb->un.varRdConfig.max_xri + 1; | |
338 | ||
339 | phba->lmt = mb->un.varRdConfig.lmt; | |
340 | /* HBA is not 4GB capable, or HBA is not 2GB capable, | |
341 | don't let link speed ask for it */ | |
342 | if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) && | |
343 | (phba->cfg_link_speed > LINK_SPEED_2G)) || | |
344 | (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) && | |
345 | (phba->cfg_link_speed > LINK_SPEED_1G))) { | |
346 | /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */ | |
347 | lpfc_printf_log(phba, | |
348 | KERN_WARNING, | |
349 | LOG_LINK_EVENT, | |
350 | "%d:1302 Invalid speed for this board: " | |
351 | "Reset link speed to auto: x%x\n", | |
352 | phba->brd_no, | |
353 | phba->cfg_link_speed); | |
354 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
355 | } | |
356 | ||
357 | phba->hba_state = LPFC_LINK_DOWN; | |
358 | ||
359 | /* Only process IOCBs on ring 0 till hba_state is READY */ | |
360 | if (psli->ring[psli->ip_ring].cmdringaddr) | |
361 | psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
362 | if (psli->ring[psli->fcp_ring].cmdringaddr) | |
363 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
364 | if (psli->ring[psli->next_ring].cmdringaddr) | |
365 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
366 | ||
367 | /* Post receive buffers for desired rings */ | |
368 | lpfc_post_rcv_buf(phba); | |
369 | ||
370 | /* Enable appropriate host interrupts */ | |
371 | spin_lock_irq(phba->host->host_lock); | |
372 | status = readl(phba->HCregaddr); | |
373 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
374 | if (psli->num_rings > 0) | |
375 | status |= HC_R0INT_ENA; | |
376 | if (psli->num_rings > 1) | |
377 | status |= HC_R1INT_ENA; | |
378 | if (psli->num_rings > 2) | |
379 | status |= HC_R2INT_ENA; | |
380 | if (psli->num_rings > 3) | |
381 | status |= HC_R3INT_ENA; | |
382 | ||
383 | writel(status, phba->HCregaddr); | |
384 | readl(phba->HCregaddr); /* flush */ | |
385 | spin_unlock_irq(phba->host->host_lock); | |
386 | ||
387 | /* | |
388 | * Setup the ring 0 (els) timeout handler | |
389 | */ | |
390 | timeout = phba->fc_ratov << 1; | |
391 | phba->els_tmofunc.expires = jiffies + HZ * timeout; | |
392 | add_timer(&phba->els_tmofunc); | |
393 | ||
394 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
395 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
396 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) { | |
397 | lpfc_printf_log(phba, | |
398 | KERN_ERR, | |
399 | LOG_INIT, | |
400 | "%d:0454 Adapter failed to init, mbxCmd x%x " | |
401 | "INIT_LINK, mbxStatus x%x\n", | |
402 | phba->brd_no, | |
403 | mb->mbxCommand, mb->mbxStatus); | |
404 | ||
405 | /* Clear all interrupt enable conditions */ | |
406 | writel(0, phba->HCregaddr); | |
407 | readl(phba->HCregaddr); /* flush */ | |
408 | /* Clear all pending interrupts */ | |
409 | writel(0xffffffff, phba->HAregaddr); | |
410 | readl(phba->HAregaddr); /* flush */ | |
411 | ||
412 | phba->hba_state = LPFC_HBA_ERROR; | |
413 | mempool_free(pmb, phba->mbox_mem_pool); | |
414 | return -EIO; | |
415 | } | |
416 | /* MBOX buffer will be freed in mbox compl */ | |
417 | ||
418 | i = 0; | |
419 | while ((phba->hba_state != LPFC_HBA_READY) || | |
420 | (phba->num_disc_nodes) || (phba->fc_prli_sent) || | |
421 | ((phba->fc_map_cnt == 0) && (i<2)) || | |
422 | (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) { | |
423 | /* Check every second for 30 retries. */ | |
424 | i++; | |
425 | if (i > 30) { | |
426 | break; | |
427 | } | |
428 | if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { | |
429 | /* The link is down. Set linkdown timeout */ | |
430 | break; | |
431 | } | |
432 | ||
433 | /* Delay for 1 second to give discovery time to complete. */ | |
434 | msleep(1000); | |
435 | ||
436 | } | |
437 | ||
438 | /* Since num_disc_nodes keys off of PLOGI, delay a bit to let | |
439 | * any potential PRLIs to flush thru the SLI sub-system. | |
440 | */ | |
441 | msleep(50); | |
442 | ||
443 | return (0); | |
444 | } | |
445 | ||
446 | /************************************************************************/ | |
447 | /* */ | |
448 | /* lpfc_hba_down_prep */ | |
449 | /* This routine will do LPFC uninitialization before the */ | |
450 | /* HBA is reset when bringing down the SLI Layer. This will be */ | |
451 | /* initialized as a SLI layer callback routine. */ | |
452 | /* This routine returns 0 on success. Any other return value */ | |
453 | /* indicates an error. */ | |
454 | /* */ | |
455 | /************************************************************************/ | |
456 | int | |
457 | lpfc_hba_down_prep(struct lpfc_hba * phba) | |
458 | { | |
459 | /* Disable interrupts */ | |
460 | writel(0, phba->HCregaddr); | |
461 | readl(phba->HCregaddr); /* flush */ | |
462 | ||
463 | /* Cleanup potential discovery resources */ | |
464 | lpfc_els_flush_rscn(phba); | |
465 | lpfc_els_flush_cmd(phba); | |
466 | lpfc_disc_flush_list(phba); | |
467 | ||
468 | return (0); | |
469 | } | |
470 | ||
471 | /************************************************************************/ | |
472 | /* */ | |
473 | /* lpfc_handle_eratt */ | |
474 | /* This routine will handle processing a Host Attention */ | |
475 | /* Error Status event. This will be initialized */ | |
476 | /* as a SLI layer callback routine. */ | |
477 | /* */ | |
478 | /************************************************************************/ | |
479 | void | |
480 | lpfc_handle_eratt(struct lpfc_hba * phba) | |
481 | { | |
482 | struct lpfc_sli *psli = &phba->sli; | |
483 | struct lpfc_sli_ring *pring; | |
484 | ||
485 | /* | |
486 | * If a reset is sent to the HBA restore PCI configuration registers. | |
487 | */ | |
488 | if ( phba->hba_state == LPFC_INIT_START ) { | |
489 | mdelay(1); | |
490 | readl(phba->HCregaddr); /* flush */ | |
491 | writel(0, phba->HCregaddr); | |
492 | readl(phba->HCregaddr); /* flush */ | |
493 | ||
494 | /* Restore PCI cmd register */ | |
495 | pci_write_config_word(phba->pcidev, | |
496 | PCI_COMMAND, phba->pci_cfg_value); | |
497 | } | |
498 | ||
499 | if (phba->work_hs & HS_FFER6) { | |
500 | /* Re-establishing Link */ | |
501 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
502 | "%d:1301 Re-establishing Link " | |
503 | "Data: x%x x%x x%x\n", | |
504 | phba->brd_no, phba->work_hs, | |
505 | phba->work_status[0], phba->work_status[1]); | |
506 | spin_lock_irq(phba->host->host_lock); | |
507 | phba->fc_flag |= FC_ESTABLISH_LINK; | |
508 | spin_unlock_irq(phba->host->host_lock); | |
509 | ||
510 | /* | |
511 | * Firmware stops when it triggled erratt with HS_FFER6. | |
512 | * That could cause the I/Os dropped by the firmware. | |
513 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
514 | * retry it after re-establishing link. | |
515 | */ | |
516 | pring = &psli->ring[psli->fcp_ring]; | |
517 | lpfc_sli_abort_iocb_ring(phba, pring); | |
518 | ||
519 | ||
520 | /* | |
521 | * There was a firmware error. Take the hba offline and then | |
522 | * attempt to restart it. | |
523 | */ | |
524 | lpfc_offline(phba); | |
525 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ | |
526 | mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); | |
527 | return; | |
528 | } | |
529 | } else { | |
530 | /* The if clause above forces this code path when the status | |
531 | * failure is a value other than FFER6. Do not call the offline | |
532 | * twice. This is the adapter hardware error path. | |
533 | */ | |
534 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
535 | "%d:0457 Adapter Hardware Error " | |
536 | "Data: x%x x%x x%x\n", | |
537 | phba->brd_no, phba->work_hs, | |
538 | phba->work_status[0], phba->work_status[1]); | |
539 | ||
540 | lpfc_offline(phba); | |
541 | ||
542 | /* | |
543 | * Restart all traffic to this host. Since the fc_transport | |
544 | * block functions (future) were not called in lpfc_offline, | |
545 | * don't call them here. | |
546 | */ | |
547 | scsi_unblock_requests(phba->host); | |
548 | } | |
549 | } | |
550 | ||
551 | /************************************************************************/ | |
552 | /* */ | |
553 | /* lpfc_handle_latt */ | |
554 | /* This routine will handle processing a Host Attention */ | |
555 | /* Link Status event. This will be initialized */ | |
556 | /* as a SLI layer callback routine. */ | |
557 | /* */ | |
558 | /************************************************************************/ | |
559 | void | |
560 | lpfc_handle_latt(struct lpfc_hba * phba) | |
561 | { | |
562 | struct lpfc_sli *psli = &phba->sli; | |
563 | LPFC_MBOXQ_t *pmb; | |
564 | volatile uint32_t control; | |
565 | struct lpfc_dmabuf *mp; | |
566 | int rc = -ENOMEM; | |
567 | ||
568 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
569 | if (!pmb) | |
570 | goto lpfc_handle_latt_err_exit; | |
571 | ||
572 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
573 | if (!mp) | |
574 | goto lpfc_handle_latt_free_pmb; | |
575 | ||
576 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
577 | if (!mp->virt) | |
578 | goto lpfc_handle_latt_free_mp; | |
579 | ||
580 | rc = -EIO; | |
581 | ||
582 | ||
583 | psli->slistat.link_event++; | |
584 | lpfc_read_la(phba, pmb, mp); | |
585 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
586 | rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
587 | if (rc == MBX_NOT_FINISHED) | |
588 | goto lpfc_handle_latt_free_mp; | |
589 | ||
590 | /* Clear Link Attention in HA REG */ | |
591 | spin_lock_irq(phba->host->host_lock); | |
592 | writel(HA_LATT, phba->HAregaddr); | |
593 | readl(phba->HAregaddr); /* flush */ | |
594 | spin_unlock_irq(phba->host->host_lock); | |
595 | ||
596 | return; | |
597 | ||
598 | lpfc_handle_latt_free_mp: | |
599 | kfree(mp); | |
600 | lpfc_handle_latt_free_pmb: | |
601 | kfree(pmb); | |
602 | lpfc_handle_latt_err_exit: | |
603 | /* Enable Link attention interrupts */ | |
604 | spin_lock_irq(phba->host->host_lock); | |
605 | psli->sli_flag |= LPFC_PROCESS_LA; | |
606 | control = readl(phba->HCregaddr); | |
607 | control |= HC_LAINT_ENA; | |
608 | writel(control, phba->HCregaddr); | |
609 | readl(phba->HCregaddr); /* flush */ | |
610 | ||
611 | /* Clear Link Attention in HA REG */ | |
612 | writel(HA_LATT, phba->HAregaddr); | |
613 | readl(phba->HAregaddr); /* flush */ | |
614 | spin_unlock_irq(phba->host->host_lock); | |
615 | lpfc_linkdown(phba); | |
616 | phba->hba_state = LPFC_HBA_ERROR; | |
617 | ||
618 | /* The other case is an error from issue_mbox */ | |
619 | if (rc == -ENOMEM) | |
620 | lpfc_printf_log(phba, | |
621 | KERN_WARNING, | |
622 | LOG_MBOX, | |
623 | "%d:0300 READ_LA: no buffers\n", | |
624 | phba->brd_no); | |
625 | ||
626 | return; | |
627 | } | |
628 | ||
629 | /************************************************************************/ | |
630 | /* */ | |
631 | /* lpfc_parse_vpd */ | |
632 | /* This routine will parse the VPD data */ | |
633 | /* */ | |
634 | /************************************************************************/ | |
635 | static int | |
636 | lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd) | |
637 | { | |
638 | uint8_t lenlo, lenhi; | |
639 | uint32_t Length; | |
640 | int i, j; | |
641 | int finished = 0; | |
642 | int index = 0; | |
643 | ||
644 | if (!vpd) | |
645 | return 0; | |
646 | ||
647 | /* Vital Product */ | |
648 | lpfc_printf_log(phba, | |
649 | KERN_INFO, | |
650 | LOG_INIT, | |
651 | "%d:0455 Vital Product Data: x%x x%x x%x x%x\n", | |
652 | phba->brd_no, | |
653 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], | |
654 | (uint32_t) vpd[3]); | |
655 | do { | |
656 | switch (vpd[index]) { | |
657 | case 0x82: | |
658 | index += 1; | |
659 | lenlo = vpd[index]; | |
660 | index += 1; | |
661 | lenhi = vpd[index]; | |
662 | index += 1; | |
663 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
664 | index += i; | |
665 | break; | |
666 | case 0x90: | |
667 | index += 1; | |
668 | lenlo = vpd[index]; | |
669 | index += 1; | |
670 | lenhi = vpd[index]; | |
671 | index += 1; | |
672 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
673 | ||
674 | while (Length > 0) { | |
675 | /* Look for Serial Number */ | |
676 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
677 | index += 2; | |
678 | i = vpd[index]; | |
679 | index += 1; | |
680 | j = 0; | |
681 | Length -= (3+i); | |
682 | while(i--) { | |
683 | phba->SerialNumber[j++] = vpd[index++]; | |
684 | if (j == 31) | |
685 | break; | |
686 | } | |
687 | phba->SerialNumber[j] = 0; | |
688 | continue; | |
689 | } | |
690 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
691 | phba->vpd_flag |= VPD_MODEL_DESC; | |
692 | index += 2; | |
693 | i = vpd[index]; | |
694 | index += 1; | |
695 | j = 0; | |
696 | Length -= (3+i); | |
697 | while(i--) { | |
698 | phba->ModelDesc[j++] = vpd[index++]; | |
699 | if (j == 255) | |
700 | break; | |
701 | } | |
702 | phba->ModelDesc[j] = 0; | |
703 | continue; | |
704 | } | |
705 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
706 | phba->vpd_flag |= VPD_MODEL_NAME; | |
707 | index += 2; | |
708 | i = vpd[index]; | |
709 | index += 1; | |
710 | j = 0; | |
711 | Length -= (3+i); | |
712 | while(i--) { | |
713 | phba->ModelName[j++] = vpd[index++]; | |
714 | if (j == 79) | |
715 | break; | |
716 | } | |
717 | phba->ModelName[j] = 0; | |
718 | continue; | |
719 | } | |
720 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
721 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
722 | index += 2; | |
723 | i = vpd[index]; | |
724 | index += 1; | |
725 | j = 0; | |
726 | Length -= (3+i); | |
727 | while(i--) { | |
728 | phba->ProgramType[j++] = vpd[index++]; | |
729 | if (j == 255) | |
730 | break; | |
731 | } | |
732 | phba->ProgramType[j] = 0; | |
733 | continue; | |
734 | } | |
735 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
736 | phba->vpd_flag |= VPD_PORT; | |
737 | index += 2; | |
738 | i = vpd[index]; | |
739 | index += 1; | |
740 | j = 0; | |
741 | Length -= (3+i); | |
742 | while(i--) { | |
743 | phba->Port[j++] = vpd[index++]; | |
744 | if (j == 19) | |
745 | break; | |
746 | } | |
747 | phba->Port[j] = 0; | |
748 | continue; | |
749 | } | |
750 | else { | |
751 | index += 2; | |
752 | i = vpd[index]; | |
753 | index += 1; | |
754 | index += i; | |
755 | Length -= (3 + i); | |
756 | } | |
757 | } | |
758 | finished = 0; | |
759 | break; | |
760 | case 0x78: | |
761 | finished = 1; | |
762 | break; | |
763 | default: | |
764 | index ++; | |
765 | break; | |
766 | } | |
767 | } while (!finished && (index < 108)); | |
768 | ||
769 | return(1); | |
770 | } | |
771 | ||
772 | static void | |
773 | lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) | |
774 | { | |
775 | lpfc_vpd_t *vp; | |
776 | uint32_t id; | |
777 | char str[16]; | |
778 | ||
779 | vp = &phba->vpd; | |
780 | pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id); | |
781 | ||
782 | switch ((id >> 16) & 0xffff) { | |
783 | case PCI_DEVICE_ID_SUPERFLY: | |
784 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
785 | strcpy(str, "LP7000 1"); | |
786 | else | |
787 | strcpy(str, "LP7000E 1"); | |
788 | break; | |
789 | case PCI_DEVICE_ID_DRAGONFLY: | |
790 | strcpy(str, "LP8000 1"); | |
791 | break; | |
792 | case PCI_DEVICE_ID_CENTAUR: | |
793 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
794 | strcpy(str, "LP9002 2"); | |
795 | else | |
796 | strcpy(str, "LP9000 1"); | |
797 | break; | |
798 | case PCI_DEVICE_ID_RFLY: | |
799 | strcpy(str, "LP952 2"); | |
800 | break; | |
801 | case PCI_DEVICE_ID_PEGASUS: | |
802 | strcpy(str, "LP9802 2"); | |
803 | break; | |
804 | case PCI_DEVICE_ID_THOR: | |
805 | strcpy(str, "LP10000 2"); | |
806 | break; | |
807 | case PCI_DEVICE_ID_VIPER: | |
808 | strcpy(str, "LPX1000 10"); | |
809 | break; | |
810 | case PCI_DEVICE_ID_PFLY: | |
811 | strcpy(str, "LP982 2"); | |
812 | break; | |
813 | case PCI_DEVICE_ID_TFLY: | |
814 | strcpy(str, "LP1050 2"); | |
815 | break; | |
816 | case PCI_DEVICE_ID_HELIOS: | |
817 | strcpy(str, "LP11000 4"); | |
818 | break; | |
819 | case PCI_DEVICE_ID_BMID: | |
820 | strcpy(str, "LP1150 4"); | |
821 | break; | |
822 | case PCI_DEVICE_ID_BSMB: | |
823 | strcpy(str, "LP111 4"); | |
824 | break; | |
825 | case PCI_DEVICE_ID_ZEPHYR: | |
826 | strcpy(str, "LP11000e 4"); | |
827 | break; | |
828 | case PCI_DEVICE_ID_ZMID: | |
829 | strcpy(str, "LP1150e 4"); | |
830 | break; | |
831 | case PCI_DEVICE_ID_ZSMB: | |
832 | strcpy(str, "LP111e 4"); | |
833 | break; | |
834 | case PCI_DEVICE_ID_LP101: | |
835 | strcpy(str, "LP101 2"); | |
836 | break; | |
837 | case PCI_DEVICE_ID_LP10000S: | |
838 | strcpy(str, "LP10000-S 2"); | |
839 | break; | |
840 | } | |
841 | if (mdp) | |
842 | sscanf(str, "%s", mdp); | |
843 | if (descp) | |
844 | sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre " | |
845 | "Channel Adapter", str); | |
846 | } | |
847 | ||
848 | /**************************************************/ | |
849 | /* lpfc_post_buffer */ | |
850 | /* */ | |
851 | /* This routine will post count buffers to the */ | |
852 | /* ring with the QUE_RING_BUF_CN command. This */ | |
853 | /* allows 3 buffers / command to be posted. */ | |
854 | /* Returns the number of buffers NOT posted. */ | |
855 | /**************************************************/ | |
856 | int | |
857 | lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt, | |
858 | int type) | |
859 | { | |
860 | IOCB_t *icmd; | |
861 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
862 | struct lpfc_iocbq *iocb = NULL; | |
863 | struct lpfc_dmabuf *mp1, *mp2; | |
864 | ||
865 | cnt += pring->missbufcnt; | |
866 | ||
867 | /* While there are buffers to post */ | |
868 | while (cnt > 0) { | |
869 | /* Allocate buffer for command iocb */ | |
870 | spin_lock_irq(phba->host->host_lock); | |
871 | list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list); | |
872 | spin_unlock_irq(phba->host->host_lock); | |
873 | if (iocb == NULL) { | |
874 | pring->missbufcnt = cnt; | |
875 | return cnt; | |
876 | } | |
877 | memset(iocb, 0, sizeof (struct lpfc_iocbq)); | |
878 | icmd = &iocb->iocb; | |
879 | ||
880 | /* 2 buffers can be posted per command */ | |
881 | /* Allocate buffer to post */ | |
882 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
883 | if (mp1) | |
884 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
885 | &mp1->phys); | |
886 | if (mp1 == 0 || mp1->virt == 0) { | |
887 | if (mp1) | |
888 | kfree(mp1); | |
889 | spin_lock_irq(phba->host->host_lock); | |
890 | list_add_tail(&iocb->list, lpfc_iocb_list); | |
891 | spin_unlock_irq(phba->host->host_lock); | |
892 | pring->missbufcnt = cnt; | |
893 | return cnt; | |
894 | } | |
895 | ||
896 | INIT_LIST_HEAD(&mp1->list); | |
897 | /* Allocate buffer to post */ | |
898 | if (cnt > 1) { | |
899 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
900 | if (mp2) | |
901 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
902 | &mp2->phys); | |
903 | if (mp2 == 0 || mp2->virt == 0) { | |
904 | if (mp2) | |
905 | kfree(mp2); | |
906 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
907 | kfree(mp1); | |
908 | spin_lock_irq(phba->host->host_lock); | |
909 | list_add_tail(&iocb->list, lpfc_iocb_list); | |
910 | spin_unlock_irq(phba->host->host_lock); | |
911 | pring->missbufcnt = cnt; | |
912 | return cnt; | |
913 | } | |
914 | ||
915 | INIT_LIST_HEAD(&mp2->list); | |
916 | } else { | |
917 | mp2 = NULL; | |
918 | } | |
919 | ||
920 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
921 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
922 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
923 | icmd->ulpBdeCount = 1; | |
924 | cnt--; | |
925 | if (mp2) { | |
926 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
927 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
928 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
929 | cnt--; | |
930 | icmd->ulpBdeCount = 2; | |
931 | } | |
932 | ||
933 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
934 | icmd->ulpLe = 1; | |
935 | ||
936 | spin_lock_irq(phba->host->host_lock); | |
937 | if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { | |
938 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
939 | kfree(mp1); | |
940 | cnt++; | |
941 | if (mp2) { | |
942 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
943 | kfree(mp2); | |
944 | cnt++; | |
945 | } | |
946 | list_add_tail(&iocb->list, lpfc_iocb_list); | |
947 | pring->missbufcnt = cnt; | |
948 | spin_unlock_irq(phba->host->host_lock); | |
949 | return cnt; | |
950 | } | |
951 | spin_unlock_irq(phba->host->host_lock); | |
952 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); | |
953 | if (mp2) { | |
954 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); | |
955 | } | |
956 | } | |
957 | pring->missbufcnt = 0; | |
958 | return 0; | |
959 | } | |
960 | ||
961 | /************************************************************************/ | |
962 | /* */ | |
963 | /* lpfc_post_rcv_buf */ | |
964 | /* This routine post initial rcv buffers to the configured rings */ | |
965 | /* */ | |
966 | /************************************************************************/ | |
967 | static int | |
968 | lpfc_post_rcv_buf(struct lpfc_hba * phba) | |
969 | { | |
970 | struct lpfc_sli *psli = &phba->sli; | |
971 | ||
972 | /* Ring 0, ELS / CT buffers */ | |
973 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); | |
974 | /* Ring 2 - FCP no buffers needed */ | |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
979 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
980 | ||
981 | /************************************************************************/ | |
982 | /* */ | |
983 | /* lpfc_sha_init */ | |
984 | /* */ | |
985 | /************************************************************************/ | |
986 | static void | |
987 | lpfc_sha_init(uint32_t * HashResultPointer) | |
988 | { | |
989 | HashResultPointer[0] = 0x67452301; | |
990 | HashResultPointer[1] = 0xEFCDAB89; | |
991 | HashResultPointer[2] = 0x98BADCFE; | |
992 | HashResultPointer[3] = 0x10325476; | |
993 | HashResultPointer[4] = 0xC3D2E1F0; | |
994 | } | |
995 | ||
996 | /************************************************************************/ | |
997 | /* */ | |
998 | /* lpfc_sha_iterate */ | |
999 | /* */ | |
1000 | /************************************************************************/ | |
1001 | static void | |
1002 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1003 | { | |
1004 | int t; | |
1005 | uint32_t TEMP; | |
1006 | uint32_t A, B, C, D, E; | |
1007 | t = 16; | |
1008 | do { | |
1009 | HashWorkingPointer[t] = | |
1010 | S(1, | |
1011 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1012 | 8] ^ | |
1013 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1014 | } while (++t <= 79); | |
1015 | t = 0; | |
1016 | A = HashResultPointer[0]; | |
1017 | B = HashResultPointer[1]; | |
1018 | C = HashResultPointer[2]; | |
1019 | D = HashResultPointer[3]; | |
1020 | E = HashResultPointer[4]; | |
1021 | ||
1022 | do { | |
1023 | if (t < 20) { | |
1024 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1025 | } else if (t < 40) { | |
1026 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1027 | } else if (t < 60) { | |
1028 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1029 | } else { | |
1030 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1031 | } | |
1032 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1033 | E = D; | |
1034 | D = C; | |
1035 | C = S(30, B); | |
1036 | B = A; | |
1037 | A = TEMP; | |
1038 | } while (++t <= 79); | |
1039 | ||
1040 | HashResultPointer[0] += A; | |
1041 | HashResultPointer[1] += B; | |
1042 | HashResultPointer[2] += C; | |
1043 | HashResultPointer[3] += D; | |
1044 | HashResultPointer[4] += E; | |
1045 | ||
1046 | } | |
1047 | ||
1048 | /************************************************************************/ | |
1049 | /* */ | |
1050 | /* lpfc_challenge_key */ | |
1051 | /* */ | |
1052 | /************************************************************************/ | |
1053 | static void | |
1054 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1055 | { | |
1056 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1057 | } | |
1058 | ||
1059 | /************************************************************************/ | |
1060 | /* */ | |
1061 | /* lpfc_hba_init */ | |
1062 | /* */ | |
1063 | /************************************************************************/ | |
1064 | void | |
1065 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1066 | { | |
1067 | int t; | |
1068 | uint32_t *HashWorking; | |
1069 | uint32_t *pwwnn = phba->wwnn; | |
1070 | ||
1071 | HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL); | |
1072 | if (!HashWorking) | |
1073 | return; | |
1074 | ||
1075 | memset(HashWorking, 0, (80 * sizeof(uint32_t))); | |
1076 | HashWorking[0] = HashWorking[78] = *pwwnn++; | |
1077 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1078 | ||
1079 | for (t = 0; t < 7; t++) | |
1080 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1081 | ||
1082 | lpfc_sha_init(hbainit); | |
1083 | lpfc_sha_iterate(hbainit, HashWorking); | |
1084 | kfree(HashWorking); | |
1085 | } | |
1086 | ||
1087 | static void | |
1088 | lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind) | |
1089 | { | |
1090 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
1091 | ||
1092 | /* clean up phba - lpfc specific */ | |
1093 | lpfc_can_disctmo(phba); | |
1094 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, | |
1095 | nlp_listp) { | |
1096 | lpfc_nlp_remove(phba, ndlp); | |
1097 | } | |
1098 | ||
1099 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, | |
1100 | nlp_listp) { | |
1101 | lpfc_nlp_remove(phba, ndlp); | |
1102 | } | |
1103 | ||
1104 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, | |
1105 | nlp_listp) { | |
1106 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1107 | } | |
1108 | ||
1109 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, | |
1110 | nlp_listp) { | |
1111 | lpfc_nlp_remove(phba, ndlp); | |
1112 | } | |
1113 | ||
1114 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
1115 | nlp_listp) { | |
1116 | lpfc_nlp_remove(phba, ndlp); | |
1117 | } | |
1118 | ||
1119 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list, | |
1120 | nlp_listp) { | |
1121 | lpfc_nlp_remove(phba, ndlp); | |
1122 | } | |
1123 | ||
1124 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, | |
1125 | nlp_listp) { | |
1126 | lpfc_nlp_remove(phba, ndlp); | |
1127 | } | |
1128 | ||
1129 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
1130 | nlp_listp) { | |
1131 | lpfc_nlp_remove(phba, ndlp); | |
1132 | } | |
1133 | ||
1134 | INIT_LIST_HEAD(&phba->fc_nlpmap_list); | |
1135 | INIT_LIST_HEAD(&phba->fc_nlpunmap_list); | |
1136 | INIT_LIST_HEAD(&phba->fc_unused_list); | |
1137 | INIT_LIST_HEAD(&phba->fc_plogi_list); | |
1138 | INIT_LIST_HEAD(&phba->fc_adisc_list); | |
1139 | INIT_LIST_HEAD(&phba->fc_reglogin_list); | |
1140 | INIT_LIST_HEAD(&phba->fc_prli_list); | |
1141 | INIT_LIST_HEAD(&phba->fc_npr_list); | |
1142 | ||
1143 | phba->fc_map_cnt = 0; | |
1144 | phba->fc_unmap_cnt = 0; | |
1145 | phba->fc_plogi_cnt = 0; | |
1146 | phba->fc_adisc_cnt = 0; | |
1147 | phba->fc_reglogin_cnt = 0; | |
1148 | phba->fc_prli_cnt = 0; | |
1149 | phba->fc_npr_cnt = 0; | |
1150 | phba->fc_unused_cnt= 0; | |
1151 | return; | |
1152 | } | |
1153 | ||
1154 | static void | |
1155 | lpfc_establish_link_tmo(unsigned long ptr) | |
1156 | { | |
1157 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
1158 | unsigned long iflag; | |
1159 | ||
1160 | ||
1161 | /* Re-establishing Link, timer expired */ | |
1162 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
1163 | "%d:1300 Re-establishing Link, timer expired " | |
1164 | "Data: x%x x%x\n", | |
1165 | phba->brd_no, phba->fc_flag, phba->hba_state); | |
1166 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1167 | phba->fc_flag &= ~FC_ESTABLISH_LINK; | |
1168 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1169 | } | |
1170 | ||
1171 | static int | |
1172 | lpfc_stop_timer(struct lpfc_hba * phba) | |
1173 | { | |
1174 | struct lpfc_sli *psli = &phba->sli; | |
1175 | ||
1176 | /* Instead of a timer, this has been converted to a | |
1177 | * deferred procedding list. | |
1178 | */ | |
1179 | while (!list_empty(&phba->freebufList)) { | |
1180 | ||
1181 | struct lpfc_dmabuf *mp = NULL; | |
1182 | ||
1183 | list_remove_head((&phba->freebufList), mp, | |
1184 | struct lpfc_dmabuf, list); | |
1185 | if (mp) { | |
1186 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1187 | kfree(mp); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | del_timer_sync(&phba->fc_estabtmo); | |
1192 | del_timer_sync(&phba->fc_disctmo); | |
1193 | del_timer_sync(&phba->fc_fdmitmo); | |
1194 | del_timer_sync(&phba->els_tmofunc); | |
1195 | psli = &phba->sli; | |
1196 | del_timer_sync(&psli->mbox_tmo); | |
1197 | return(1); | |
1198 | } | |
1199 | ||
1200 | int | |
1201 | lpfc_online(struct lpfc_hba * phba) | |
1202 | { | |
1203 | if (!phba) | |
1204 | return 0; | |
1205 | ||
1206 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) | |
1207 | return 0; | |
1208 | ||
1209 | lpfc_printf_log(phba, | |
1210 | KERN_WARNING, | |
1211 | LOG_INIT, | |
1212 | "%d:0458 Bring Adapter online\n", | |
1213 | phba->brd_no); | |
1214 | ||
1215 | if (!lpfc_sli_queue_setup(phba)) | |
1216 | return 1; | |
1217 | ||
1218 | if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ | |
1219 | return 1; | |
1220 | ||
1221 | spin_lock_irq(phba->host->host_lock); | |
1222 | phba->fc_flag &= ~FC_OFFLINE_MODE; | |
1223 | spin_unlock_irq(phba->host->host_lock); | |
1224 | ||
1225 | /* | |
1226 | * Restart all traffic to this host. Since the fc_transport block | |
1227 | * functions (future) were not called in lpfc_offline, don't call them | |
1228 | * here. | |
1229 | */ | |
1230 | scsi_unblock_requests(phba->host); | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | int | |
1235 | lpfc_offline(struct lpfc_hba * phba) | |
1236 | { | |
1237 | struct lpfc_sli_ring *pring; | |
1238 | struct lpfc_sli *psli; | |
1239 | unsigned long iflag; | |
1240 | int i = 0; | |
1241 | ||
1242 | if (!phba) | |
1243 | return 0; | |
1244 | ||
1245 | if (phba->fc_flag & FC_OFFLINE_MODE) | |
1246 | return 0; | |
1247 | ||
1248 | /* | |
1249 | * Don't call the fc_transport block api (future). The device is | |
1250 | * going offline and causing a timer to fire in the midlayer is | |
1251 | * unproductive. Just block all new requests until the driver | |
1252 | * comes back online. | |
1253 | */ | |
1254 | scsi_block_requests(phba->host); | |
1255 | psli = &phba->sli; | |
1256 | pring = &psli->ring[psli->fcp_ring]; | |
1257 | ||
1258 | lpfc_linkdown(phba); | |
1259 | ||
1260 | /* The linkdown event takes 30 seconds to timeout. */ | |
1261 | while (pring->txcmplq_cnt) { | |
1262 | mdelay(10); | |
1263 | if (i++ > 3000) | |
1264 | break; | |
1265 | } | |
1266 | ||
1267 | /* stop all timers associated with this hba */ | |
1268 | lpfc_stop_timer(phba); | |
1269 | phba->work_hba_events = 0; | |
1270 | ||
1271 | lpfc_printf_log(phba, | |
1272 | KERN_WARNING, | |
1273 | LOG_INIT, | |
1274 | "%d:0460 Bring Adapter offline\n", | |
1275 | phba->brd_no); | |
1276 | ||
1277 | /* Bring down the SLI Layer and cleanup. The HBA is offline | |
1278 | now. */ | |
1279 | lpfc_sli_hba_down(phba); | |
1280 | lpfc_cleanup(phba, 1); | |
1281 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1282 | phba->fc_flag |= FC_OFFLINE_MODE; | |
1283 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | /****************************************************************************** | |
1288 | * Function name: lpfc_scsi_free | |
1289 | * | |
1290 | * Description: Called from lpfc_pci_remove_one free internal driver resources | |
1291 | * | |
1292 | ******************************************************************************/ | |
1293 | static int | |
1294 | lpfc_scsi_free(struct lpfc_hba * phba) | |
1295 | { | |
1296 | struct lpfc_scsi_buf *sb, *sb_next; | |
1297 | struct lpfc_iocbq *io, *io_next; | |
1298 | ||
1299 | spin_lock_irq(phba->host->host_lock); | |
1300 | /* Release all the lpfc_scsi_bufs maintained by this host. */ | |
1301 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
1302 | list_del(&sb->list); | |
1303 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
1304 | sb->dma_handle); | |
1305 | kfree(sb); | |
1306 | phba->total_scsi_bufs--; | |
1307 | } | |
1308 | ||
1309 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
1310 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
1311 | list_del(&io->list); | |
1312 | kfree(io); | |
1313 | phba->total_iocbq_bufs--; | |
1314 | } | |
1315 | ||
1316 | spin_unlock_irq(phba->host->host_lock); | |
1317 | ||
1318 | return 0; | |
1319 | } | |
1320 | ||
1321 | ||
1322 | static int __devinit | |
1323 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
1324 | { | |
1325 | struct Scsi_Host *host; | |
1326 | struct lpfc_hba *phba; | |
1327 | struct lpfc_sli *psli; | |
1328 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
1329 | unsigned long bar0map_len, bar2map_len; | |
1330 | int error = -ENODEV, retval; | |
1331 | int i; | |
1332 | u64 wwname; | |
1333 | ||
1334 | if (pci_enable_device(pdev)) | |
1335 | goto out; | |
1336 | if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) | |
1337 | goto out_disable_device; | |
1338 | ||
1339 | host = scsi_host_alloc(&lpfc_template, | |
1340 | sizeof (struct lpfc_hba) + sizeof (unsigned long)); | |
1341 | if (!host) | |
1342 | goto out_release_regions; | |
1343 | ||
1344 | phba = (struct lpfc_hba*)host->hostdata; | |
1345 | memset(phba, 0, sizeof (struct lpfc_hba)); | |
1346 | phba->link_stats = (void *)&phba[1]; | |
1347 | phba->host = host; | |
1348 | ||
1349 | phba->fc_flag |= FC_LOADING; | |
1350 | phba->pcidev = pdev; | |
1351 | ||
1352 | /* Assign an unused board number */ | |
1353 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
1354 | goto out_put_host; | |
1355 | ||
1356 | error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no); | |
1357 | if (error) | |
1358 | goto out_put_host; | |
1359 | ||
1360 | host->unique_id = phba->brd_no; | |
1361 | ||
1362 | INIT_LIST_HEAD(&phba->ctrspbuflist); | |
1363 | INIT_LIST_HEAD(&phba->rnidrspbuflist); | |
1364 | INIT_LIST_HEAD(&phba->freebufList); | |
1365 | ||
1366 | /* Initialize timers used by driver */ | |
1367 | init_timer(&phba->fc_estabtmo); | |
1368 | phba->fc_estabtmo.function = lpfc_establish_link_tmo; | |
1369 | phba->fc_estabtmo.data = (unsigned long)phba; | |
1370 | init_timer(&phba->fc_disctmo); | |
1371 | phba->fc_disctmo.function = lpfc_disc_timeout; | |
1372 | phba->fc_disctmo.data = (unsigned long)phba; | |
1373 | ||
1374 | init_timer(&phba->fc_fdmitmo); | |
1375 | phba->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
1376 | phba->fc_fdmitmo.data = (unsigned long)phba; | |
1377 | init_timer(&phba->els_tmofunc); | |
1378 | phba->els_tmofunc.function = lpfc_els_timeout; | |
1379 | phba->els_tmofunc.data = (unsigned long)phba; | |
1380 | psli = &phba->sli; | |
1381 | init_timer(&psli->mbox_tmo); | |
1382 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
1383 | psli->mbox_tmo.data = (unsigned long)phba; | |
1384 | ||
1385 | /* | |
1386 | * Get all the module params for configuring this host and then | |
1387 | * establish the host parameters. | |
1388 | */ | |
1389 | lpfc_get_cfgparam(phba); | |
1390 | ||
1391 | host->max_id = LPFC_MAX_TARGET; | |
1392 | host->max_lun = phba->cfg_max_luns; | |
1393 | host->this_id = -1; | |
1394 | ||
1395 | /* Initialize all internally managed lists. */ | |
1396 | INIT_LIST_HEAD(&phba->fc_nlpmap_list); | |
1397 | INIT_LIST_HEAD(&phba->fc_nlpunmap_list); | |
1398 | INIT_LIST_HEAD(&phba->fc_unused_list); | |
1399 | INIT_LIST_HEAD(&phba->fc_plogi_list); | |
1400 | INIT_LIST_HEAD(&phba->fc_adisc_list); | |
1401 | INIT_LIST_HEAD(&phba->fc_reglogin_list); | |
1402 | INIT_LIST_HEAD(&phba->fc_prli_list); | |
1403 | INIT_LIST_HEAD(&phba->fc_npr_list); | |
1404 | ||
1405 | ||
1406 | pci_set_master(pdev); | |
1407 | retval = pci_set_mwi(pdev); | |
1408 | if (retval) | |
1409 | dev_printk(KERN_WARNING, &pdev->dev, | |
1410 | "Warning: pci_set_mwi returned %d\n", retval); | |
1411 | ||
1412 | if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) | |
1413 | if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) | |
1414 | goto out_idr_remove; | |
1415 | ||
1416 | /* | |
1417 | * Get the bus address of Bar0 and Bar2 and the number of bytes | |
1418 | * required by each mapping. | |
1419 | */ | |
1420 | phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); | |
1421 | bar0map_len = pci_resource_len(phba->pcidev, 0); | |
1422 | ||
1423 | phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); | |
1424 | bar2map_len = pci_resource_len(phba->pcidev, 2); | |
1425 | ||
1426 | /* Map HBA SLIM and Control Registers to a kernel virtual address. */ | |
1427 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
1428 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
1429 | ||
1430 | /* Allocate memory for SLI-2 structures */ | |
1431 | phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, | |
1432 | &phba->slim2p_mapping, GFP_KERNEL); | |
1433 | if (!phba->slim2p) | |
1434 | goto out_iounmap; | |
1435 | ||
1436 | ||
1437 | /* Initialize the SLI Layer to run with lpfc HBAs. */ | |
1438 | lpfc_sli_setup(phba); | |
1439 | lpfc_sli_queue_setup(phba); | |
1440 | ||
1441 | error = lpfc_mem_alloc(phba); | |
1442 | if (error) | |
1443 | goto out_free_slim; | |
1444 | ||
1445 | /* Initialize and populate the iocb list per host. */ | |
1446 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
1447 | for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { | |
1448 | iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); | |
1449 | if (iocbq_entry == NULL) { | |
1450 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
1451 | "expected %d count. Unloading driver.\n", | |
1452 | __FUNCTION__, i, LPFC_IOCB_LIST_CNT); | |
1453 | error = -ENOMEM; | |
1454 | goto out_free_iocbq; | |
1455 | } | |
1456 | ||
1457 | memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq)); | |
1458 | spin_lock_irq(phba->host->host_lock); | |
1459 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); | |
1460 | phba->total_iocbq_bufs++; | |
1461 | spin_unlock_irq(phba->host->host_lock); | |
1462 | } | |
1463 | ||
1464 | /* Initialize HBA structure */ | |
1465 | phba->fc_edtov = FF_DEF_EDTOV; | |
1466 | phba->fc_ratov = FF_DEF_RATOV; | |
1467 | phba->fc_altov = FF_DEF_ALTOV; | |
1468 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
1469 | ||
1470 | INIT_LIST_HEAD(&phba->work_list); | |
1471 | phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); | |
1472 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
1473 | ||
1474 | /* Startup the kernel thread for this host adapter. */ | |
1475 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
1476 | "lpfc_worker_%d", phba->brd_no); | |
1477 | if (IS_ERR(phba->worker_thread)) { | |
1478 | error = PTR_ERR(phba->worker_thread); | |
1479 | goto out_free_iocbq; | |
1480 | } | |
1481 | ||
1482 | /* We can rely on a queue depth attribute only after SLI HBA setup */ | |
1483 | host->can_queue = phba->cfg_hba_queue_depth - 10; | |
1484 | ||
1485 | /* Tell the midlayer we support 16 byte commands */ | |
1486 | host->max_cmd_len = 16; | |
1487 | ||
1488 | /* Initialize the list of scsi buffers used by driver for scsi IO. */ | |
1489 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); | |
1490 | ||
1491 | host->transportt = lpfc_transport_template; | |
1492 | host->hostdata[0] = (unsigned long)phba; | |
1493 | pci_set_drvdata(pdev, host); | |
1494 | error = scsi_add_host(host, &pdev->dev); | |
1495 | if (error) | |
1496 | goto out_kthread_stop; | |
1497 | ||
1498 | error = lpfc_alloc_sysfs_attr(phba); | |
1499 | if (error) | |
1500 | goto out_kthread_stop; | |
1501 | ||
1502 | error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ, | |
1503 | LPFC_DRIVER_NAME, phba); | |
1504 | if (error) { | |
1505 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1506 | "%d:0451 Enable interrupt handler failed\n", | |
1507 | phba->brd_no); | |
1508 | goto out_free_sysfs_attr; | |
1509 | } | |
1510 | phba->MBslimaddr = phba->slim_memmap_p; | |
1511 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
1512 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
1513 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
1514 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
1515 | ||
1516 | error = lpfc_sli_hba_setup(phba); | |
1517 | if (error) | |
1518 | goto out_free_irq; | |
1519 | ||
1520 | /* | |
1521 | * set fixed host attributes | |
1522 | * Must done after lpfc_sli_hba_setup() | |
1523 | */ | |
1524 | ||
1525 | memcpy(&wwname, &phba->fc_nodename, sizeof(u64)); | |
1526 | fc_host_node_name(host) = be64_to_cpu(wwname); | |
1527 | memcpy(&wwname, &phba->fc_portname, sizeof(u64)); | |
1528 | fc_host_port_name(host) = be64_to_cpu(wwname); | |
1529 | fc_host_supported_classes(host) = FC_COS_CLASS3; | |
1530 | ||
1531 | memset(fc_host_supported_fc4s(host), 0, | |
1532 | sizeof(fc_host_supported_fc4s(host))); | |
1533 | fc_host_supported_fc4s(host)[2] = 1; | |
1534 | fc_host_supported_fc4s(host)[7] = 1; | |
1535 | ||
1536 | lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host)); | |
1537 | ||
1538 | fc_host_supported_speeds(host) = 0; | |
1539 | switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) { | |
1540 | case VIPER_JEDEC_ID: | |
1541 | fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT; | |
1542 | break; | |
1543 | case HELIOS_JEDEC_ID: | |
1544 | fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT; | |
1545 | /* Fall through */ | |
1546 | case CENTAUR_2G_JEDEC_ID: | |
1547 | case PEGASUS_JEDEC_ID: | |
1548 | case THOR_JEDEC_ID: | |
1549 | fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT; | |
1550 | /* Fall through */ | |
1551 | default: | |
1552 | fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT; | |
1553 | } | |
1554 | ||
1555 | fc_host_maxframe_size(host) = | |
1556 | ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
1557 | (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb); | |
1558 | ||
1559 | /* This value is also unchanging */ | |
1560 | memset(fc_host_active_fc4s(host), 0, | |
1561 | sizeof(fc_host_active_fc4s(host))); | |
1562 | fc_host_active_fc4s(host)[2] = 1; | |
1563 | fc_host_active_fc4s(host)[7] = 1; | |
1564 | ||
1565 | spin_lock_irq(phba->host->host_lock); | |
1566 | phba->fc_flag &= ~FC_LOADING; | |
1567 | spin_unlock_irq(phba->host->host_lock); | |
1568 | return 0; | |
1569 | ||
1570 | out_free_irq: | |
1571 | lpfc_stop_timer(phba); | |
1572 | phba->work_hba_events = 0; | |
1573 | free_irq(phba->pcidev->irq, phba); | |
1574 | out_free_sysfs_attr: | |
1575 | lpfc_free_sysfs_attr(phba); | |
1576 | out_kthread_stop: | |
1577 | kthread_stop(phba->worker_thread); | |
1578 | out_free_iocbq: | |
1579 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
1580 | &phba->lpfc_iocb_list, list) { | |
1581 | spin_lock_irq(phba->host->host_lock); | |
1582 | kfree(iocbq_entry); | |
1583 | phba->total_iocbq_bufs--; | |
1584 | spin_unlock_irq(phba->host->host_lock); | |
1585 | } | |
1586 | lpfc_mem_free(phba); | |
1587 | out_free_slim: | |
1588 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, | |
1589 | phba->slim2p_mapping); | |
1590 | out_iounmap: | |
1591 | iounmap(phba->ctrl_regs_memmap_p); | |
1592 | iounmap(phba->slim_memmap_p); | |
1593 | out_idr_remove: | |
1594 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
1595 | out_put_host: | |
1596 | scsi_host_put(host); | |
1597 | out_release_regions: | |
1598 | pci_release_regions(pdev); | |
1599 | out_disable_device: | |
1600 | pci_disable_device(pdev); | |
1601 | out: | |
1602 | return error; | |
1603 | } | |
1604 | ||
1605 | static void __devexit | |
1606 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
1607 | { | |
1608 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
1609 | struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0]; | |
1610 | unsigned long iflag; | |
1611 | ||
1612 | lpfc_free_sysfs_attr(phba); | |
1613 | ||
1614 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1615 | phba->fc_flag |= FC_UNLOADING; | |
1616 | ||
1617 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1618 | ||
1619 | fc_remove_host(phba->host); | |
1620 | scsi_remove_host(phba->host); | |
1621 | ||
1622 | kthread_stop(phba->worker_thread); | |
1623 | ||
1624 | /* | |
1625 | * Bring down the SLI Layer. This step disable all interrupts, | |
1626 | * clears the rings, discards all mailbox commands, and resets | |
1627 | * the HBA. | |
1628 | */ | |
1629 | lpfc_sli_hba_down(phba); | |
1630 | ||
1631 | /* Release the irq reservation */ | |
1632 | free_irq(phba->pcidev->irq, phba); | |
1633 | ||
1634 | lpfc_cleanup(phba, 0); | |
1635 | lpfc_stop_timer(phba); | |
1636 | phba->work_hba_events = 0; | |
1637 | ||
1638 | /* | |
1639 | * Call scsi_free before mem_free since scsi bufs are released to their | |
1640 | * corresponding pools here. | |
1641 | */ | |
1642 | lpfc_scsi_free(phba); | |
1643 | lpfc_mem_free(phba); | |
1644 | ||
1645 | /* Free resources associated with SLI2 interface */ | |
1646 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
1647 | phba->slim2p, phba->slim2p_mapping); | |
1648 | ||
1649 | /* unmap adapter SLIM and Control Registers */ | |
1650 | iounmap(phba->ctrl_regs_memmap_p); | |
1651 | iounmap(phba->slim_memmap_p); | |
1652 | ||
1653 | pci_release_regions(phba->pcidev); | |
1654 | pci_disable_device(phba->pcidev); | |
1655 | ||
1656 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
1657 | scsi_host_put(phba->host); | |
1658 | ||
1659 | pci_set_drvdata(pdev, NULL); | |
1660 | } | |
1661 | ||
1662 | static struct pci_device_id lpfc_id_table[] = { | |
1663 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
1664 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1665 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, | |
1666 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1667 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
1668 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1669 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
1670 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1671 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
1672 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1673 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
1674 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1675 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
1676 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1677 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
1678 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1679 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, | |
1680 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1681 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, | |
1682 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1683 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
1684 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1685 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
1686 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1687 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, | |
1688 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1689 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
1690 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1691 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
1692 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1693 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
1694 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1695 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
1696 | PCI_ANY_ID, PCI_ANY_ID, }, | |
1697 | { 0 } | |
1698 | }; | |
1699 | ||
1700 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
1701 | ||
1702 | static struct pci_driver lpfc_driver = { | |
1703 | .name = LPFC_DRIVER_NAME, | |
1704 | .id_table = lpfc_id_table, | |
1705 | .probe = lpfc_pci_probe_one, | |
1706 | .remove = __devexit_p(lpfc_pci_remove_one), | |
1707 | }; | |
1708 | ||
1709 | static int __init | |
1710 | lpfc_init(void) | |
1711 | { | |
1712 | int error = 0; | |
1713 | ||
1714 | printk(LPFC_MODULE_DESC "\n"); | |
1715 | ||
1716 | lpfc_transport_template = | |
1717 | fc_attach_transport(&lpfc_transport_functions); | |
1718 | if (!lpfc_transport_template) | |
1719 | return -ENOMEM; | |
1720 | error = pci_register_driver(&lpfc_driver); | |
1721 | if (error) | |
1722 | fc_release_transport(lpfc_transport_template); | |
1723 | ||
1724 | return error; | |
1725 | } | |
1726 | ||
1727 | static void __exit | |
1728 | lpfc_exit(void) | |
1729 | { | |
1730 | pci_unregister_driver(&lpfc_driver); | |
1731 | fc_release_transport(lpfc_transport_template); | |
1732 | } | |
1733 | ||
1734 | module_init(lpfc_init); | |
1735 | module_exit(lpfc_exit); | |
1736 | MODULE_LICENSE("GPL"); | |
1737 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
1738 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
1739 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |