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dea3101e JB |
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 JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/delay.h> | |
24 | #include <linux/dma-mapping.h> | |
25 | #include <linux/idr.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/kthread.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/spinlock.h> | |
92d7f7b0 | 30 | #include <linux/ctype.h> |
dea3101e | 31 | |
91886523 | 32 | #include <scsi/scsi.h> |
dea3101e JB |
33 | #include <scsi/scsi_device.h> |
34 | #include <scsi/scsi_host.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
36 | ||
37 | #include "lpfc_hw.h" | |
38 | #include "lpfc_sli.h" | |
39 | #include "lpfc_disc.h" | |
40 | #include "lpfc_scsi.h" | |
41 | #include "lpfc.h" | |
42 | #include "lpfc_logmsg.h" | |
43 | #include "lpfc_crtn.h" | |
92d7f7b0 | 44 | #include "lpfc_vport.h" |
dea3101e JB |
45 | #include "lpfc_version.h" |
46 | ||
74b72a59 | 47 | static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); |
dea3101e JB |
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 JB |
53 | static DEFINE_IDR(lpfc_hba_index); |
54 | ||
55 | /************************************************************************/ | |
56 | /* */ | |
57 | /* lpfc_config_port_prep */ | |
58 | /* This routine will do LPFC initialization prior to the */ | |
59 | /* CONFIG_PORT mailbox command. This will be initialized */ | |
60 | /* as a SLI layer callback routine. */ | |
61 | /* This routine returns 0 on success or -ERESTART if it wants */ | |
62 | /* the SLI layer to reset the HBA and try again. Any */ | |
63 | /* other return value indicates an error. */ | |
64 | /* */ | |
65 | /************************************************************************/ | |
66 | int | |
2e0fef85 | 67 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
68 | { |
69 | lpfc_vpd_t *vp = &phba->vpd; | |
70 | int i = 0, rc; | |
71 | LPFC_MBOXQ_t *pmb; | |
72 | MAILBOX_t *mb; | |
73 | char *lpfc_vpd_data = NULL; | |
74 | uint16_t offset = 0; | |
75 | static char licensed[56] = | |
76 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 77 | static int init_key = 1; |
dea3101e JB |
78 | |
79 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
80 | if (!pmb) { | |
2e0fef85 | 81 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
82 | return -ENOMEM; |
83 | } | |
84 | ||
85 | mb = &pmb->mb; | |
2e0fef85 | 86 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
87 | |
88 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
89 | if (init_key) { |
90 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 91 | |
65a29c16 JS |
92 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
93 | *ptext = cpu_to_be32(*ptext); | |
94 | init_key = 0; | |
95 | } | |
dea3101e JB |
96 | |
97 | lpfc_read_nv(phba, pmb); | |
98 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
99 | sizeof (mb->un.varRDnvp.rsvd3)); | |
100 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
101 | sizeof (licensed)); | |
102 | ||
103 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
104 | ||
105 | if (rc != MBX_SUCCESS) { | |
ed957684 | 106 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 107 | "0324 Config Port initialization " |
dea3101e JB |
108 | "error, mbxCmd x%x READ_NVPARM, " |
109 | "mbxStatus x%x\n", | |
dea3101e JB |
110 | mb->mbxCommand, mb->mbxStatus); |
111 | mempool_free(pmb, phba->mbox_mem_pool); | |
112 | return -ERESTART; | |
113 | } | |
114 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
115 | sizeof(phba->wwnn)); |
116 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
117 | sizeof(phba->wwpn)); | |
dea3101e JB |
118 | } |
119 | ||
92d7f7b0 JS |
120 | phba->sli3_options = 0x0; |
121 | ||
dea3101e JB |
122 | /* Setup and issue mailbox READ REV command */ |
123 | lpfc_read_rev(phba, pmb); | |
124 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
125 | if (rc != MBX_SUCCESS) { | |
ed957684 | 126 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 127 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 128 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
129 | mb->mbxCommand, mb->mbxStatus); |
130 | mempool_free( pmb, phba->mbox_mem_pool); | |
131 | return -ERESTART; | |
132 | } | |
133 | ||
92d7f7b0 | 134 | |
1de933f3 JSEC |
135 | /* |
136 | * The value of rr must be 1 since the driver set the cv field to 1. | |
137 | * This setting requires the FW to set all revision fields. | |
dea3101e | 138 | */ |
1de933f3 | 139 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 140 | vp->rev.rBit = 0; |
1de933f3 | 141 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
142 | "0440 Adapter failed to init, READ_REV has " |
143 | "missing revision information.\n"); | |
dea3101e JB |
144 | mempool_free(pmb, phba->mbox_mem_pool); |
145 | return -ERESTART; | |
dea3101e JB |
146 | } |
147 | ||
495a714c JS |
148 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
149 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 150 | return -EINVAL; |
495a714c | 151 | } |
ed957684 | 152 | |
dea3101e | 153 | /* Save information as VPD data */ |
1de933f3 | 154 | vp->rev.rBit = 1; |
92d7f7b0 | 155 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
156 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
157 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
158 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
159 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
160 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
161 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
162 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
163 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
164 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
165 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
166 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
167 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
168 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
169 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
170 | ||
92d7f7b0 JS |
171 | /* If the sli feature level is less then 9, we must |
172 | * tear down all RPIs and VPIs on link down if NPIV | |
173 | * is enabled. | |
174 | */ | |
175 | if (vp->rev.feaLevelHigh < 9) | |
176 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
177 | ||
dea3101e JB |
178 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
179 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
180 | sizeof (phba->RandomData)); | |
181 | ||
dea3101e JB |
182 | /* Get adapter VPD information */ |
183 | pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); | |
184 | if (!pmb->context2) | |
185 | goto out_free_mbox; | |
186 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); | |
187 | if (!lpfc_vpd_data) | |
188 | goto out_free_context2; | |
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; | |
dea3101e | 203 | lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, |
92d7f7b0 | 204 | mb->un.varDmp.word_cnt); |
dea3101e | 205 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
206 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
207 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
208 | |
209 | kfree(lpfc_vpd_data); | |
210 | out_free_context2: | |
211 | kfree(pmb->context2); | |
212 | out_free_mbox: | |
213 | mempool_free(pmb, phba->mbox_mem_pool); | |
214 | return 0; | |
215 | } | |
216 | ||
57127f15 JS |
217 | /* Completion handler for config async event mailbox command. */ |
218 | static void | |
219 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
220 | { | |
221 | if (pmboxq->mb.mbxStatus == MBX_SUCCESS) | |
222 | phba->temp_sensor_support = 1; | |
223 | else | |
224 | phba->temp_sensor_support = 0; | |
225 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
226 | return; | |
227 | } | |
228 | ||
dea3101e JB |
229 | /************************************************************************/ |
230 | /* */ | |
231 | /* lpfc_config_port_post */ | |
232 | /* This routine will do LPFC initialization after the */ | |
233 | /* CONFIG_PORT mailbox command. This will be initialized */ | |
234 | /* as a SLI layer callback routine. */ | |
235 | /* This routine returns 0 on success. Any other return value */ | |
236 | /* indicates an error. */ | |
237 | /* */ | |
238 | /************************************************************************/ | |
239 | int | |
2e0fef85 | 240 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 241 | { |
2e0fef85 | 242 | struct lpfc_vport *vport = phba->pport; |
dea3101e JB |
243 | LPFC_MBOXQ_t *pmb; |
244 | MAILBOX_t *mb; | |
245 | struct lpfc_dmabuf *mp; | |
246 | struct lpfc_sli *psli = &phba->sli; | |
247 | uint32_t status, timeout; | |
2e0fef85 JS |
248 | int i, j; |
249 | int rc; | |
dea3101e | 250 | |
7af67051 JS |
251 | spin_lock_irq(&phba->hbalock); |
252 | /* | |
253 | * If the Config port completed correctly the HBA is not | |
254 | * over heated any more. | |
255 | */ | |
256 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
257 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
258 | spin_unlock_irq(&phba->hbalock); | |
259 | ||
dea3101e JB |
260 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
261 | if (!pmb) { | |
2e0fef85 | 262 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
263 | return -ENOMEM; |
264 | } | |
265 | mb = &pmb->mb; | |
266 | ||
dea3101e | 267 | /* Get login parameters for NID. */ |
92d7f7b0 | 268 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 269 | pmb->vport = vport; |
dea3101e | 270 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 271 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 272 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 273 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 274 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 275 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
276 | mp = (struct lpfc_dmabuf *) pmb->context1; |
277 | mempool_free( pmb, phba->mbox_mem_pool); | |
278 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
279 | kfree(mp); | |
280 | return -EIO; | |
281 | } | |
282 | ||
283 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
284 | ||
2e0fef85 | 285 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
286 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
287 | kfree(mp); | |
288 | pmb->context1 = NULL; | |
289 | ||
a12e07bc | 290 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
291 | u64_to_wwn(phba->cfg_soft_wwnn, |
292 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 293 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
294 | u64_to_wwn(phba->cfg_soft_wwpn, |
295 | vport->fc_sparam.portName.u.wwn); | |
296 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 297 | sizeof (struct lpfc_name)); |
2e0fef85 | 298 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e JB |
299 | sizeof (struct lpfc_name)); |
300 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ | |
301 | /* This should be consolidated into parse_vpd ? - mr */ | |
302 | if (phba->SerialNumber[0] == 0) { | |
303 | uint8_t *outptr; | |
304 | ||
2e0fef85 | 305 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
306 | for (i = 0; i < 12; i++) { |
307 | status = *outptr++; | |
308 | j = ((status & 0xf0) >> 4); | |
309 | if (j <= 9) | |
310 | phba->SerialNumber[i] = | |
311 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
312 | else | |
313 | phba->SerialNumber[i] = | |
314 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
315 | i++; | |
316 | j = (status & 0xf); | |
317 | if (j <= 9) | |
318 | phba->SerialNumber[i] = | |
319 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
320 | else | |
321 | phba->SerialNumber[i] = | |
322 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
323 | } | |
324 | } | |
325 | ||
dea3101e | 326 | lpfc_read_config(phba, pmb); |
ed957684 | 327 | pmb->vport = vport; |
dea3101e | 328 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 329 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 330 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 331 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 332 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 333 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
334 | mempool_free( pmb, phba->mbox_mem_pool); |
335 | return -EIO; | |
336 | } | |
337 | ||
338 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
339 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
340 | phba->cfg_hba_queue_depth = | |
341 | mb->un.varRdConfig.max_xri + 1; | |
342 | ||
343 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
344 | |
345 | /* Get the default values for Model Name and Description */ | |
346 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
347 | ||
348 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
349 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
350 | && !(phba->lmt & LMT_1Gb)) | |
351 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
352 | && !(phba->lmt & LMT_2Gb)) | |
353 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
354 | && !(phba->lmt & LMT_4Gb)) | |
355 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
356 | && !(phba->lmt & LMT_8Gb)) | |
357 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
358 | && !(phba->lmt & LMT_10Gb))) { | |
359 | /* Reset link speed to auto */ | |
ed957684 | 360 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 361 | "1302 Invalid speed for this board: " |
dea3101e | 362 | "Reset link speed to auto: x%x\n", |
dea3101e JB |
363 | phba->cfg_link_speed); |
364 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
365 | } | |
366 | ||
2e0fef85 | 367 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 368 | |
0b727fea | 369 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
370 | if (psli->ring[psli->extra_ring].cmdringaddr) |
371 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
372 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
373 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
374 | if (psli->ring[psli->next_ring].cmdringaddr) | |
375 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
376 | ||
377 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
378 | if (phba->sli_rev != 3) |
379 | lpfc_post_rcv_buf(phba); | |
dea3101e JB |
380 | |
381 | /* Enable appropriate host interrupts */ | |
2e0fef85 | 382 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
383 | status = readl(phba->HCregaddr); |
384 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
385 | if (psli->num_rings > 0) | |
386 | status |= HC_R0INT_ENA; | |
387 | if (psli->num_rings > 1) | |
388 | status |= HC_R1INT_ENA; | |
389 | if (psli->num_rings > 2) | |
390 | status |= HC_R2INT_ENA; | |
391 | if (psli->num_rings > 3) | |
392 | status |= HC_R3INT_ENA; | |
393 | ||
875fbdfe JSEC |
394 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
395 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
396 | status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
397 | ||
dea3101e JB |
398 | writel(status, phba->HCregaddr); |
399 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 400 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
401 | |
402 | /* | |
403 | * Setup the ring 0 (els) timeout handler | |
404 | */ | |
405 | timeout = phba->fc_ratov << 1; | |
2e0fef85 | 406 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
858c9f6c JS |
407 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
408 | phba->hb_outstanding = 0; | |
409 | phba->last_completion_time = jiffies; | |
dea3101e JB |
410 | |
411 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
412 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 413 | pmb->vport = vport; |
8aee918a | 414 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
5b8bd0c9 | 415 | lpfc_set_loopback_flag(phba); |
8aee918a | 416 | if (rc != MBX_SUCCESS) { |
ed957684 | 417 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 418 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 419 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e JB |
420 | mb->mbxCommand, mb->mbxStatus); |
421 | ||
422 | /* Clear all interrupt enable conditions */ | |
423 | writel(0, phba->HCregaddr); | |
424 | readl(phba->HCregaddr); /* flush */ | |
425 | /* Clear all pending interrupts */ | |
426 | writel(0xffffffff, phba->HAregaddr); | |
427 | readl(phba->HAregaddr); /* flush */ | |
428 | ||
2e0fef85 | 429 | phba->link_state = LPFC_HBA_ERROR; |
8aee918a JS |
430 | if (rc != MBX_BUSY) |
431 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e JB |
432 | return -EIO; |
433 | } | |
434 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
435 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
436 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
437 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
438 | pmb->vport = phba->pport; | |
439 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 440 | |
57127f15 JS |
441 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
442 | lpfc_printf_log(phba, | |
443 | KERN_ERR, | |
444 | LOG_INIT, | |
445 | "0456 Adapter failed to issue " | |
446 | "ASYNCEVT_ENABLE mbox status x%x \n.", | |
447 | rc); | |
448 | mempool_free(pmb, phba->mbox_mem_pool); | |
449 | } | |
ce8b3ce5 JS |
450 | return (0); |
451 | } | |
452 | ||
dea3101e JB |
453 | /************************************************************************/ |
454 | /* */ | |
455 | /* lpfc_hba_down_prep */ | |
456 | /* This routine will do LPFC uninitialization before the */ | |
457 | /* HBA is reset when bringing down the SLI Layer. This will be */ | |
458 | /* initialized as a SLI layer callback routine. */ | |
459 | /* This routine returns 0 on success. Any other return value */ | |
460 | /* indicates an error. */ | |
461 | /* */ | |
462 | /************************************************************************/ | |
463 | int | |
2e0fef85 | 464 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 465 | { |
1b32f6aa JS |
466 | struct lpfc_vport **vports; |
467 | int i; | |
dea3101e JB |
468 | /* Disable interrupts */ |
469 | writel(0, phba->HCregaddr); | |
470 | readl(phba->HCregaddr); /* flush */ | |
471 | ||
1b32f6aa JS |
472 | if (phba->pport->load_flag & FC_UNLOADING) |
473 | lpfc_cleanup_discovery_resources(phba->pport); | |
474 | else { | |
475 | vports = lpfc_create_vport_work_array(phba); | |
476 | if (vports != NULL) | |
477 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) | |
478 | lpfc_cleanup_discovery_resources(vports[i]); | |
479 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
480 | } |
481 | return 0; | |
dea3101e JB |
482 | } |
483 | ||
41415862 JW |
484 | /************************************************************************/ |
485 | /* */ | |
486 | /* lpfc_hba_down_post */ | |
487 | /* This routine will do uninitialization after the HBA is reset */ | |
488 | /* when bringing down the SLI Layer. */ | |
489 | /* This routine returns 0 on success. Any other return value */ | |
490 | /* indicates an error. */ | |
491 | /* */ | |
492 | /************************************************************************/ | |
493 | int | |
2e0fef85 | 494 | lpfc_hba_down_post(struct lpfc_hba *phba) |
41415862 JW |
495 | { |
496 | struct lpfc_sli *psli = &phba->sli; | |
497 | struct lpfc_sli_ring *pring; | |
498 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 JS |
499 | struct lpfc_iocbq *iocb; |
500 | IOCB_t *cmd = NULL; | |
501 | LIST_HEAD(completions); | |
41415862 JW |
502 | int i; |
503 | ||
92d7f7b0 JS |
504 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
505 | lpfc_sli_hbqbuf_free_all(phba); | |
506 | else { | |
507 | /* Cleanup preposted buffers on the ELS ring */ | |
508 | pring = &psli->ring[LPFC_ELS_RING]; | |
509 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
510 | list_del(&mp->list); | |
511 | pring->postbufq_cnt--; | |
512 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
513 | kfree(mp); | |
514 | } | |
41415862 JW |
515 | } |
516 | ||
09372820 | 517 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
518 | for (i = 0; i < psli->num_rings; i++) { |
519 | pring = &psli->ring[i]; | |
09372820 JS |
520 | |
521 | /* At this point in time the HBA is either reset or DOA. Either | |
522 | * way, nothing should be on txcmplq as it will NEVER complete. | |
523 | */ | |
524 | list_splice_init(&pring->txcmplq, &completions); | |
525 | pring->txcmplq_cnt = 0; | |
526 | spin_unlock_irq(&phba->hbalock); | |
527 | ||
528 | while (!list_empty(&completions)) { | |
529 | iocb = list_get_first(&completions, struct lpfc_iocbq, | |
530 | list); | |
531 | cmd = &iocb->iocb; | |
532 | list_del_init(&iocb->list); | |
533 | ||
534 | if (!iocb->iocb_cmpl) | |
535 | lpfc_sli_release_iocbq(phba, iocb); | |
536 | else { | |
537 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
538 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
539 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
540 | } | |
541 | } | |
542 | ||
41415862 | 543 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 544 | spin_lock_irq(&phba->hbalock); |
41415862 | 545 | } |
09372820 | 546 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
547 | |
548 | return 0; | |
549 | } | |
550 | ||
858c9f6c | 551 | /* HBA heart beat timeout handler */ |
a6ababd2 | 552 | static void |
858c9f6c JS |
553 | lpfc_hb_timeout(unsigned long ptr) |
554 | { | |
555 | struct lpfc_hba *phba; | |
5e9d9b82 | 556 | uint32_t tmo_posted; |
858c9f6c JS |
557 | unsigned long iflag; |
558 | ||
559 | phba = (struct lpfc_hba *)ptr; | |
560 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
5e9d9b82 JS |
561 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
562 | if (!tmo_posted) | |
858c9f6c JS |
563 | phba->pport->work_port_events |= WORKER_HB_TMO; |
564 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
565 | ||
5e9d9b82 JS |
566 | if (!tmo_posted) |
567 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
568 | return; |
569 | } | |
570 | ||
571 | static void | |
572 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
573 | { | |
574 | unsigned long drvr_flag; | |
575 | ||
576 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
577 | phba->hb_outstanding = 0; | |
578 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
579 | ||
580 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
581 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
582 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 583 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
584 | mod_timer(&phba->hb_tmofunc, |
585 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
586 | return; | |
587 | } | |
588 | ||
589 | void | |
590 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
591 | { | |
592 | LPFC_MBOXQ_t *pmboxq; | |
0ff10d46 | 593 | struct lpfc_dmabuf *buf_ptr; |
858c9f6c JS |
594 | int retval; |
595 | struct lpfc_sli *psli = &phba->sli; | |
0ff10d46 | 596 | LIST_HEAD(completions); |
858c9f6c JS |
597 | |
598 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
51ef4c26 | 599 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
600 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
601 | return; | |
602 | ||
603 | spin_lock_irq(&phba->pport->work_port_lock); | |
604 | /* If the timer is already canceled do nothing */ | |
605 | if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { | |
606 | spin_unlock_irq(&phba->pport->work_port_lock); | |
607 | return; | |
608 | } | |
609 | ||
610 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
611 | jiffies)) { | |
612 | spin_unlock_irq(&phba->pport->work_port_lock); | |
613 | if (!phba->hb_outstanding) | |
614 | mod_timer(&phba->hb_tmofunc, | |
615 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
616 | else | |
617 | mod_timer(&phba->hb_tmofunc, | |
618 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
619 | return; | |
620 | } | |
621 | spin_unlock_irq(&phba->pport->work_port_lock); | |
622 | ||
0ff10d46 JS |
623 | if (phba->elsbuf_cnt && |
624 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
625 | spin_lock_irq(&phba->hbalock); | |
626 | list_splice_init(&phba->elsbuf, &completions); | |
627 | phba->elsbuf_cnt = 0; | |
628 | phba->elsbuf_prev_cnt = 0; | |
629 | spin_unlock_irq(&phba->hbalock); | |
630 | ||
631 | while (!list_empty(&completions)) { | |
632 | list_remove_head(&completions, buf_ptr, | |
633 | struct lpfc_dmabuf, list); | |
634 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
635 | kfree(buf_ptr); | |
636 | } | |
637 | } | |
638 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
639 | ||
858c9f6c | 640 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
641 | if (phba->cfg_enable_hba_heartbeat) { |
642 | if (!phba->hb_outstanding) { | |
643 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
644 | if (!pmboxq) { | |
645 | mod_timer(&phba->hb_tmofunc, | |
646 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
647 | return; | |
648 | } | |
858c9f6c | 649 | |
13815c83 JS |
650 | lpfc_heart_beat(phba, pmboxq); |
651 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
652 | pmboxq->vport = phba->pport; | |
653 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 654 | |
13815c83 JS |
655 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
656 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
657 | mod_timer(&phba->hb_tmofunc, | |
658 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
659 | return; | |
660 | } | |
858c9f6c | 661 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
662 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
663 | phba->hb_outstanding = 1; | |
858c9f6c | 664 | return; |
13815c83 JS |
665 | } else { |
666 | /* | |
667 | * If heart beat timeout called with hb_outstanding set | |
668 | * we need to take the HBA offline. | |
669 | */ | |
670 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
671 | "0459 Adapter heartbeat failure, " | |
672 | "taking this port offline.\n"); | |
673 | ||
674 | spin_lock_irq(&phba->hbalock); | |
675 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
676 | spin_unlock_irq(&phba->hbalock); | |
677 | ||
678 | lpfc_offline_prep(phba); | |
679 | lpfc_offline(phba); | |
680 | lpfc_unblock_mgmt_io(phba); | |
681 | phba->link_state = LPFC_HBA_ERROR; | |
682 | lpfc_hba_down_post(phba); | |
858c9f6c | 683 | } |
858c9f6c JS |
684 | } |
685 | } | |
686 | ||
09372820 JS |
687 | static void |
688 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
689 | { | |
690 | struct lpfc_sli *psli = &phba->sli; | |
691 | ||
692 | spin_lock_irq(&phba->hbalock); | |
693 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
694 | spin_unlock_irq(&phba->hbalock); | |
695 | lpfc_offline_prep(phba); | |
696 | ||
697 | lpfc_offline(phba); | |
698 | lpfc_reset_barrier(phba); | |
699 | lpfc_sli_brdreset(phba); | |
700 | lpfc_hba_down_post(phba); | |
701 | lpfc_sli_brdready(phba, HS_MBRDY); | |
702 | lpfc_unblock_mgmt_io(phba); | |
703 | phba->link_state = LPFC_HBA_ERROR; | |
704 | return; | |
705 | } | |
706 | ||
dea3101e JB |
707 | /************************************************************************/ |
708 | /* */ | |
709 | /* lpfc_handle_eratt */ | |
710 | /* This routine will handle processing a Host Attention */ | |
711 | /* Error Status event. This will be initialized */ | |
712 | /* as a SLI layer callback routine. */ | |
713 | /* */ | |
714 | /************************************************************************/ | |
715 | void | |
2e0fef85 | 716 | lpfc_handle_eratt(struct lpfc_hba *phba) |
dea3101e | 717 | { |
2e0fef85 | 718 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 719 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 720 | struct lpfc_sli_ring *pring; |
d2873e4c | 721 | uint32_t event_data; |
57127f15 JS |
722 | unsigned long temperature; |
723 | struct temp_event temp_event_data; | |
92d7f7b0 | 724 | struct Scsi_Host *shost; |
2e0fef85 | 725 | |
8d63f375 LV |
726 | /* If the pci channel is offline, ignore possible errors, |
727 | * since we cannot communicate with the pci card anyway. */ | |
728 | if (pci_channel_offline(phba->pcidev)) | |
729 | return; | |
13815c83 JS |
730 | /* If resets are disabled then leave the HBA alone and return */ |
731 | if (!phba->cfg_enable_hba_reset) | |
732 | return; | |
dea3101e | 733 | |
97eab634 | 734 | if (phba->work_hs & HS_FFER6) { |
dea3101e JB |
735 | /* Re-establishing Link */ |
736 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 737 | "1301 Re-establishing Link " |
dea3101e | 738 | "Data: x%x x%x x%x\n", |
e8b62011 | 739 | phba->work_hs, |
dea3101e | 740 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 741 | |
92d7f7b0 | 742 | spin_lock_irq(&phba->hbalock); |
9290831f | 743 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 744 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
745 | |
746 | /* | |
747 | * Firmware stops when it triggled erratt with HS_FFER6. | |
748 | * That could cause the I/Os dropped by the firmware. | |
749 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
750 | * retry it after re-establishing link. | |
751 | */ | |
752 | pring = &psli->ring[psli->fcp_ring]; | |
753 | lpfc_sli_abort_iocb_ring(phba, pring); | |
754 | ||
dea3101e JB |
755 | /* |
756 | * There was a firmware error. Take the hba offline and then | |
757 | * attempt to restart it. | |
758 | */ | |
46fa311e | 759 | lpfc_offline_prep(phba); |
dea3101e | 760 | lpfc_offline(phba); |
41415862 | 761 | lpfc_sli_brdrestart(phba); |
dea3101e | 762 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 763 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
764 | return; |
765 | } | |
46fa311e | 766 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
767 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
768 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
769 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
770 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
771 | temp_event_data.data = (uint32_t)temperature; | |
772 | ||
773 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
774 | "0459 Adapter maximum temperature exceeded " | |
775 | "(%ld), taking this port offline " | |
776 | "Data: x%x x%x x%x\n", | |
777 | temperature, phba->work_hs, | |
778 | phba->work_status[0], phba->work_status[1]); | |
779 | ||
780 | shost = lpfc_shost_from_vport(phba->pport); | |
781 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
782 | sizeof(temp_event_data), | |
783 | (char *) &temp_event_data, | |
784 | SCSI_NL_VID_TYPE_PCI | |
785 | | PCI_VENDOR_ID_EMULEX); | |
786 | ||
7af67051 | 787 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
788 | phba->over_temp_state = HBA_OVER_TEMP; |
789 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 790 | lpfc_offline_eratt(phba); |
57127f15 | 791 | |
dea3101e JB |
792 | } else { |
793 | /* The if clause above forces this code path when the status | |
794 | * failure is a value other than FFER6. Do not call the offline | |
795 | * twice. This is the adapter hardware error path. | |
796 | */ | |
797 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 798 | "0457 Adapter Hardware Error " |
dea3101e | 799 | "Data: x%x x%x x%x\n", |
e8b62011 | 800 | phba->work_hs, |
dea3101e JB |
801 | phba->work_status[0], phba->work_status[1]); |
802 | ||
d2873e4c | 803 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 804 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 805 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
806 | sizeof(event_data), (char *) &event_data, |
807 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
808 | ||
09372820 | 809 | lpfc_offline_eratt(phba); |
dea3101e JB |
810 | } |
811 | } | |
812 | ||
813 | /************************************************************************/ | |
814 | /* */ | |
815 | /* lpfc_handle_latt */ | |
816 | /* This routine will handle processing a Host Attention */ | |
817 | /* Link Status event. This will be initialized */ | |
818 | /* as a SLI layer callback routine. */ | |
819 | /* */ | |
820 | /************************************************************************/ | |
821 | void | |
2e0fef85 | 822 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 823 | { |
2e0fef85 JS |
824 | struct lpfc_vport *vport = phba->pport; |
825 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
826 | LPFC_MBOXQ_t *pmb; |
827 | volatile uint32_t control; | |
828 | struct lpfc_dmabuf *mp; | |
09372820 | 829 | int rc = 0; |
dea3101e JB |
830 | |
831 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
832 | if (!pmb) { |
833 | rc = 1; | |
dea3101e | 834 | goto lpfc_handle_latt_err_exit; |
09372820 | 835 | } |
dea3101e JB |
836 | |
837 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
838 | if (!mp) { |
839 | rc = 2; | |
dea3101e | 840 | goto lpfc_handle_latt_free_pmb; |
09372820 | 841 | } |
dea3101e JB |
842 | |
843 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
844 | if (!mp->virt) { |
845 | rc = 3; | |
dea3101e | 846 | goto lpfc_handle_latt_free_mp; |
09372820 | 847 | } |
dea3101e | 848 | |
6281bfe0 | 849 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 850 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
851 | |
852 | psli->slistat.link_event++; | |
853 | lpfc_read_la(phba, pmb, mp); | |
854 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 855 | pmb->vport = vport; |
0d2b6b83 JS |
856 | /* Block ELS IOCBs until we have processed this mbox command */ |
857 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 858 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
859 | if (rc == MBX_NOT_FINISHED) { |
860 | rc = 4; | |
14691150 | 861 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 862 | } |
dea3101e JB |
863 | |
864 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 865 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
866 | writel(HA_LATT, phba->HAregaddr); |
867 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 868 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
869 | |
870 | return; | |
871 | ||
14691150 | 872 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 873 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 874 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
875 | lpfc_handle_latt_free_mp: |
876 | kfree(mp); | |
877 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 878 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
879 | lpfc_handle_latt_err_exit: |
880 | /* Enable Link attention interrupts */ | |
2e0fef85 | 881 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
882 | psli->sli_flag |= LPFC_PROCESS_LA; |
883 | control = readl(phba->HCregaddr); | |
884 | control |= HC_LAINT_ENA; | |
885 | writel(control, phba->HCregaddr); | |
886 | readl(phba->HCregaddr); /* flush */ | |
887 | ||
888 | /* Clear Link Attention in HA REG */ | |
889 | writel(HA_LATT, phba->HAregaddr); | |
890 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 891 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 892 | lpfc_linkdown(phba); |
2e0fef85 | 893 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 894 | |
09372820 JS |
895 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
896 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
897 | |
898 | return; | |
899 | } | |
900 | ||
901 | /************************************************************************/ | |
902 | /* */ | |
903 | /* lpfc_parse_vpd */ | |
904 | /* This routine will parse the VPD data */ | |
905 | /* */ | |
906 | /************************************************************************/ | |
907 | static int | |
2e0fef85 | 908 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
909 | { |
910 | uint8_t lenlo, lenhi; | |
07da60c1 | 911 | int Length; |
dea3101e JB |
912 | int i, j; |
913 | int finished = 0; | |
914 | int index = 0; | |
915 | ||
916 | if (!vpd) | |
917 | return 0; | |
918 | ||
919 | /* Vital Product */ | |
ed957684 | 920 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 921 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
922 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
923 | (uint32_t) vpd[3]); | |
74b72a59 | 924 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
925 | switch (vpd[index]) { |
926 | case 0x82: | |
74b72a59 | 927 | case 0x91: |
dea3101e JB |
928 | index += 1; |
929 | lenlo = vpd[index]; | |
930 | index += 1; | |
931 | lenhi = vpd[index]; | |
932 | index += 1; | |
933 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
934 | index += i; | |
935 | break; | |
936 | case 0x90: | |
937 | index += 1; | |
938 | lenlo = vpd[index]; | |
939 | index += 1; | |
940 | lenhi = vpd[index]; | |
941 | index += 1; | |
942 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
943 | if (Length > len - index) |
944 | Length = len - index; | |
dea3101e JB |
945 | while (Length > 0) { |
946 | /* Look for Serial Number */ | |
947 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
948 | index += 2; | |
949 | i = vpd[index]; | |
950 | index += 1; | |
951 | j = 0; | |
952 | Length -= (3+i); | |
953 | while(i--) { | |
954 | phba->SerialNumber[j++] = vpd[index++]; | |
955 | if (j == 31) | |
956 | break; | |
957 | } | |
958 | phba->SerialNumber[j] = 0; | |
959 | continue; | |
960 | } | |
961 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
962 | phba->vpd_flag |= VPD_MODEL_DESC; | |
963 | index += 2; | |
964 | i = vpd[index]; | |
965 | index += 1; | |
966 | j = 0; | |
967 | Length -= (3+i); | |
968 | while(i--) { | |
969 | phba->ModelDesc[j++] = vpd[index++]; | |
970 | if (j == 255) | |
971 | break; | |
972 | } | |
973 | phba->ModelDesc[j] = 0; | |
974 | continue; | |
975 | } | |
976 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
977 | phba->vpd_flag |= VPD_MODEL_NAME; | |
978 | index += 2; | |
979 | i = vpd[index]; | |
980 | index += 1; | |
981 | j = 0; | |
982 | Length -= (3+i); | |
983 | while(i--) { | |
984 | phba->ModelName[j++] = vpd[index++]; | |
985 | if (j == 79) | |
986 | break; | |
987 | } | |
988 | phba->ModelName[j] = 0; | |
989 | continue; | |
990 | } | |
991 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
992 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
993 | index += 2; | |
994 | i = vpd[index]; | |
995 | index += 1; | |
996 | j = 0; | |
997 | Length -= (3+i); | |
998 | while(i--) { | |
999 | phba->ProgramType[j++] = vpd[index++]; | |
1000 | if (j == 255) | |
1001 | break; | |
1002 | } | |
1003 | phba->ProgramType[j] = 0; | |
1004 | continue; | |
1005 | } | |
1006 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1007 | phba->vpd_flag |= VPD_PORT; | |
1008 | index += 2; | |
1009 | i = vpd[index]; | |
1010 | index += 1; | |
1011 | j = 0; | |
1012 | Length -= (3+i); | |
1013 | while(i--) { | |
1014 | phba->Port[j++] = vpd[index++]; | |
1015 | if (j == 19) | |
1016 | break; | |
1017 | } | |
1018 | phba->Port[j] = 0; | |
1019 | continue; | |
1020 | } | |
1021 | else { | |
1022 | index += 2; | |
1023 | i = vpd[index]; | |
1024 | index += 1; | |
1025 | index += i; | |
1026 | Length -= (3 + i); | |
1027 | } | |
1028 | } | |
1029 | finished = 0; | |
1030 | break; | |
1031 | case 0x78: | |
1032 | finished = 1; | |
1033 | break; | |
1034 | default: | |
1035 | index ++; | |
1036 | break; | |
1037 | } | |
74b72a59 | 1038 | } |
dea3101e JB |
1039 | |
1040 | return(1); | |
1041 | } | |
1042 | ||
1043 | static void | |
2e0fef85 | 1044 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
1045 | { |
1046 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1047 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1048 | int max_speed; |
74b72a59 JW |
1049 | struct { |
1050 | char * name; | |
1051 | int max_speed; | |
74b72a59 | 1052 | char * bus; |
18a3b596 | 1053 | } m = {"<Unknown>", 0, ""}; |
74b72a59 JW |
1054 | |
1055 | if (mdp && mdp[0] != '\0' | |
1056 | && descp && descp[0] != '\0') | |
1057 | return; | |
1058 | ||
1059 | if (phba->lmt & LMT_10Gb) | |
1060 | max_speed = 10; | |
1061 | else if (phba->lmt & LMT_8Gb) | |
1062 | max_speed = 8; | |
1063 | else if (phba->lmt & LMT_4Gb) | |
1064 | max_speed = 4; | |
1065 | else if (phba->lmt & LMT_2Gb) | |
1066 | max_speed = 2; | |
1067 | else | |
1068 | max_speed = 1; | |
dea3101e JB |
1069 | |
1070 | vp = &phba->vpd; | |
dea3101e | 1071 | |
e4adb204 | 1072 | switch (dev_id) { |
06325e74 | 1073 | case PCI_DEVICE_ID_FIREFLY: |
18a3b596 | 1074 | m = (typeof(m)){"LP6000", max_speed, "PCI"}; |
06325e74 | 1075 | break; |
dea3101e JB |
1076 | case PCI_DEVICE_ID_SUPERFLY: |
1077 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
18a3b596 | 1078 | m = (typeof(m)){"LP7000", max_speed, "PCI"}; |
dea3101e | 1079 | else |
18a3b596 | 1080 | m = (typeof(m)){"LP7000E", max_speed, "PCI"}; |
dea3101e JB |
1081 | break; |
1082 | case PCI_DEVICE_ID_DRAGONFLY: | |
18a3b596 | 1083 | m = (typeof(m)){"LP8000", max_speed, "PCI"}; |
dea3101e JB |
1084 | break; |
1085 | case PCI_DEVICE_ID_CENTAUR: | |
1086 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
18a3b596 | 1087 | m = (typeof(m)){"LP9002", max_speed, "PCI"}; |
dea3101e | 1088 | else |
18a3b596 | 1089 | m = (typeof(m)){"LP9000", max_speed, "PCI"}; |
dea3101e JB |
1090 | break; |
1091 | case PCI_DEVICE_ID_RFLY: | |
18a3b596 | 1092 | m = (typeof(m)){"LP952", max_speed, "PCI"}; |
dea3101e JB |
1093 | break; |
1094 | case PCI_DEVICE_ID_PEGASUS: | |
18a3b596 | 1095 | m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; |
dea3101e JB |
1096 | break; |
1097 | case PCI_DEVICE_ID_THOR: | |
18a3b596 | 1098 | m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; |
dea3101e JB |
1099 | break; |
1100 | case PCI_DEVICE_ID_VIPER: | |
18a3b596 | 1101 | m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; |
dea3101e JB |
1102 | break; |
1103 | case PCI_DEVICE_ID_PFLY: | |
18a3b596 | 1104 | m = (typeof(m)){"LP982", max_speed, "PCI-X"}; |
dea3101e JB |
1105 | break; |
1106 | case PCI_DEVICE_ID_TFLY: | |
18a3b596 | 1107 | m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; |
dea3101e JB |
1108 | break; |
1109 | case PCI_DEVICE_ID_HELIOS: | |
18a3b596 | 1110 | m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; |
dea3101e | 1111 | break; |
e4adb204 | 1112 | case PCI_DEVICE_ID_HELIOS_SCSP: |
18a3b596 | 1113 | m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1114 | break; |
1115 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
18a3b596 | 1116 | m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1117 | break; |
1118 | case PCI_DEVICE_ID_NEPTUNE: | |
18a3b596 | 1119 | m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1120 | break; |
1121 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
18a3b596 | 1122 | m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; |
e4adb204 JSEC |
1123 | break; |
1124 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
18a3b596 | 1125 | m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; |
e4adb204 | 1126 | break; |
dea3101e | 1127 | case PCI_DEVICE_ID_BMID: |
18a3b596 | 1128 | m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; |
dea3101e JB |
1129 | break; |
1130 | case PCI_DEVICE_ID_BSMB: | |
18a3b596 | 1131 | m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; |
dea3101e JB |
1132 | break; |
1133 | case PCI_DEVICE_ID_ZEPHYR: | |
18a3b596 | 1134 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
dea3101e | 1135 | break; |
e4adb204 | 1136 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
18a3b596 | 1137 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1138 | break; |
1139 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
18a3b596 | 1140 | m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; |
e4adb204 | 1141 | break; |
dea3101e | 1142 | case PCI_DEVICE_ID_ZMID: |
18a3b596 | 1143 | m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; |
dea3101e JB |
1144 | break; |
1145 | case PCI_DEVICE_ID_ZSMB: | |
18a3b596 | 1146 | m = (typeof(m)){"LPe111", max_speed, "PCIe"}; |
dea3101e JB |
1147 | break; |
1148 | case PCI_DEVICE_ID_LP101: | |
18a3b596 | 1149 | m = (typeof(m)){"LP101", max_speed, "PCI-X"}; |
dea3101e JB |
1150 | break; |
1151 | case PCI_DEVICE_ID_LP10000S: | |
18a3b596 | 1152 | m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; |
06325e74 | 1153 | break; |
e4adb204 | 1154 | case PCI_DEVICE_ID_LP11000S: |
18a3b596 JS |
1155 | m = (typeof(m)){"LP11000-S", max_speed, |
1156 | "PCI-X2"}; | |
1157 | break; | |
e4adb204 | 1158 | case PCI_DEVICE_ID_LPE11000S: |
18a3b596 JS |
1159 | m = (typeof(m)){"LPe11000-S", max_speed, |
1160 | "PCIe"}; | |
5cc36b3c | 1161 | break; |
b87eab38 JS |
1162 | case PCI_DEVICE_ID_SAT: |
1163 | m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; | |
1164 | break; | |
1165 | case PCI_DEVICE_ID_SAT_MID: | |
1166 | m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; | |
1167 | break; | |
1168 | case PCI_DEVICE_ID_SAT_SMB: | |
1169 | m = (typeof(m)){"LPe121", max_speed, "PCIe"}; | |
1170 | break; | |
1171 | case PCI_DEVICE_ID_SAT_DCSP: | |
1172 | m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; | |
1173 | break; | |
1174 | case PCI_DEVICE_ID_SAT_SCSP: | |
1175 | m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; | |
1176 | break; | |
1177 | case PCI_DEVICE_ID_SAT_S: | |
1178 | m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; | |
1179 | break; | |
5cc36b3c | 1180 | default: |
041976fb | 1181 | m = (typeof(m)){ NULL }; |
e4adb204 | 1182 | break; |
dea3101e | 1183 | } |
74b72a59 JW |
1184 | |
1185 | if (mdp && mdp[0] == '\0') | |
1186 | snprintf(mdp, 79,"%s", m.name); | |
1187 | if (descp && descp[0] == '\0') | |
1188 | snprintf(descp, 255, | |
18a3b596 JS |
1189 | "Emulex %s %dGb %s Fibre Channel Adapter", |
1190 | m.name, m.max_speed, m.bus); | |
dea3101e JB |
1191 | } |
1192 | ||
1193 | /**************************************************/ | |
1194 | /* lpfc_post_buffer */ | |
1195 | /* */ | |
1196 | /* This routine will post count buffers to the */ | |
1197 | /* ring with the QUE_RING_BUF_CN command. This */ | |
1198 | /* allows 3 buffers / command to be posted. */ | |
1199 | /* Returns the number of buffers NOT posted. */ | |
1200 | /**************************************************/ | |
1201 | int | |
495a714c | 1202 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e JB |
1203 | { |
1204 | IOCB_t *icmd; | |
0bd4ca25 | 1205 | struct lpfc_iocbq *iocb; |
dea3101e JB |
1206 | struct lpfc_dmabuf *mp1, *mp2; |
1207 | ||
1208 | cnt += pring->missbufcnt; | |
1209 | ||
1210 | /* While there are buffers to post */ | |
1211 | while (cnt > 0) { | |
1212 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1213 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
1214 | if (iocb == NULL) { |
1215 | pring->missbufcnt = cnt; | |
1216 | return cnt; | |
1217 | } | |
dea3101e JB |
1218 | icmd = &iocb->iocb; |
1219 | ||
1220 | /* 2 buffers can be posted per command */ | |
1221 | /* Allocate buffer to post */ | |
1222 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1223 | if (mp1) | |
98c9ea5c JS |
1224 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1225 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1226 | kfree(mp1); |
604a3e30 | 1227 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1228 | pring->missbufcnt = cnt; |
1229 | return cnt; | |
1230 | } | |
1231 | ||
1232 | INIT_LIST_HEAD(&mp1->list); | |
1233 | /* Allocate buffer to post */ | |
1234 | if (cnt > 1) { | |
1235 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1236 | if (mp2) | |
1237 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1238 | &mp2->phys); | |
98c9ea5c | 1239 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1240 | kfree(mp2); |
dea3101e JB |
1241 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1242 | kfree(mp1); | |
604a3e30 | 1243 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1244 | pring->missbufcnt = cnt; |
1245 | return cnt; | |
1246 | } | |
1247 | ||
1248 | INIT_LIST_HEAD(&mp2->list); | |
1249 | } else { | |
1250 | mp2 = NULL; | |
1251 | } | |
1252 | ||
1253 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1254 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1255 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1256 | icmd->ulpBdeCount = 1; | |
1257 | cnt--; | |
1258 | if (mp2) { | |
1259 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1260 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1261 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1262 | cnt--; | |
1263 | icmd->ulpBdeCount = 2; | |
1264 | } | |
1265 | ||
1266 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1267 | icmd->ulpLe = 1; | |
1268 | ||
dea3101e JB |
1269 | if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { |
1270 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
1271 | kfree(mp1); | |
1272 | cnt++; | |
1273 | if (mp2) { | |
1274 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1275 | kfree(mp2); | |
1276 | cnt++; | |
1277 | } | |
604a3e30 | 1278 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1279 | pring->missbufcnt = cnt; |
dea3101e JB |
1280 | return cnt; |
1281 | } | |
dea3101e | 1282 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1283 | if (mp2) |
dea3101e | 1284 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
1285 | } |
1286 | pring->missbufcnt = 0; | |
1287 | return 0; | |
1288 | } | |
1289 | ||
1290 | /************************************************************************/ | |
1291 | /* */ | |
1292 | /* lpfc_post_rcv_buf */ | |
1293 | /* This routine post initial rcv buffers to the configured rings */ | |
1294 | /* */ | |
1295 | /************************************************************************/ | |
1296 | static int | |
2e0fef85 | 1297 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
1298 | { |
1299 | struct lpfc_sli *psli = &phba->sli; | |
1300 | ||
1301 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 1302 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e JB |
1303 | /* Ring 2 - FCP no buffers needed */ |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1309 | ||
1310 | /************************************************************************/ | |
1311 | /* */ | |
1312 | /* lpfc_sha_init */ | |
1313 | /* */ | |
1314 | /************************************************************************/ | |
1315 | static void | |
1316 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1317 | { | |
1318 | HashResultPointer[0] = 0x67452301; | |
1319 | HashResultPointer[1] = 0xEFCDAB89; | |
1320 | HashResultPointer[2] = 0x98BADCFE; | |
1321 | HashResultPointer[3] = 0x10325476; | |
1322 | HashResultPointer[4] = 0xC3D2E1F0; | |
1323 | } | |
1324 | ||
1325 | /************************************************************************/ | |
1326 | /* */ | |
1327 | /* lpfc_sha_iterate */ | |
1328 | /* */ | |
1329 | /************************************************************************/ | |
1330 | static void | |
1331 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1332 | { | |
1333 | int t; | |
1334 | uint32_t TEMP; | |
1335 | uint32_t A, B, C, D, E; | |
1336 | t = 16; | |
1337 | do { | |
1338 | HashWorkingPointer[t] = | |
1339 | S(1, | |
1340 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1341 | 8] ^ | |
1342 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1343 | } while (++t <= 79); | |
1344 | t = 0; | |
1345 | A = HashResultPointer[0]; | |
1346 | B = HashResultPointer[1]; | |
1347 | C = HashResultPointer[2]; | |
1348 | D = HashResultPointer[3]; | |
1349 | E = HashResultPointer[4]; | |
1350 | ||
1351 | do { | |
1352 | if (t < 20) { | |
1353 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1354 | } else if (t < 40) { | |
1355 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1356 | } else if (t < 60) { | |
1357 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1358 | } else { | |
1359 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1360 | } | |
1361 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1362 | E = D; | |
1363 | D = C; | |
1364 | C = S(30, B); | |
1365 | B = A; | |
1366 | A = TEMP; | |
1367 | } while (++t <= 79); | |
1368 | ||
1369 | HashResultPointer[0] += A; | |
1370 | HashResultPointer[1] += B; | |
1371 | HashResultPointer[2] += C; | |
1372 | HashResultPointer[3] += D; | |
1373 | HashResultPointer[4] += E; | |
1374 | ||
1375 | } | |
1376 | ||
1377 | /************************************************************************/ | |
1378 | /* */ | |
1379 | /* lpfc_challenge_key */ | |
1380 | /* */ | |
1381 | /************************************************************************/ | |
1382 | static void | |
1383 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1384 | { | |
1385 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1386 | } | |
1387 | ||
1388 | /************************************************************************/ | |
1389 | /* */ | |
1390 | /* lpfc_hba_init */ | |
1391 | /* */ | |
1392 | /************************************************************************/ | |
1393 | void | |
1394 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1395 | { | |
1396 | int t; | |
1397 | uint32_t *HashWorking; | |
2e0fef85 | 1398 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1399 | |
bbfbbbc1 | 1400 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
1401 | if (!HashWorking) |
1402 | return; | |
1403 | ||
dea3101e JB |
1404 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1405 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1406 | ||
1407 | for (t = 0; t < 7; t++) | |
1408 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1409 | ||
1410 | lpfc_sha_init(hbainit); | |
1411 | lpfc_sha_iterate(hbainit, HashWorking); | |
1412 | kfree(HashWorking); | |
1413 | } | |
1414 | ||
87af33fe | 1415 | void |
2e0fef85 | 1416 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1417 | { |
87af33fe | 1418 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1419 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1420 | int i = 0; |
dea3101e | 1421 | |
87af33fe JS |
1422 | if (phba->link_state > LPFC_LINK_DOWN) |
1423 | lpfc_port_link_failure(vport); | |
1424 | ||
1425 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1426 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1427 | ndlp = lpfc_enable_node(vport, ndlp, | |
1428 | NLP_STE_UNUSED_NODE); | |
1429 | if (!ndlp) | |
1430 | continue; | |
1431 | spin_lock_irq(&phba->ndlp_lock); | |
1432 | NLP_SET_FREE_REQ(ndlp); | |
1433 | spin_unlock_irq(&phba->ndlp_lock); | |
1434 | /* Trigger the release of the ndlp memory */ | |
1435 | lpfc_nlp_put(ndlp); | |
1436 | continue; | |
1437 | } | |
1438 | spin_lock_irq(&phba->ndlp_lock); | |
1439 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
1440 | /* The ndlp should not be in memory free mode already */ | |
1441 | spin_unlock_irq(&phba->ndlp_lock); | |
1442 | continue; | |
1443 | } else | |
1444 | /* Indicate request for freeing ndlp memory */ | |
1445 | NLP_SET_FREE_REQ(ndlp); | |
1446 | spin_unlock_irq(&phba->ndlp_lock); | |
1447 | ||
58da1ffb JS |
1448 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
1449 | ndlp->nlp_DID == Fabric_DID) { | |
1450 | /* Just free up ndlp with Fabric_DID for vports */ | |
1451 | lpfc_nlp_put(ndlp); | |
1452 | continue; | |
1453 | } | |
1454 | ||
87af33fe JS |
1455 | if (ndlp->nlp_type & NLP_FABRIC) |
1456 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
1457 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 1458 | |
87af33fe JS |
1459 | lpfc_disc_state_machine(vport, ndlp, NULL, |
1460 | NLP_EVT_DEVICE_RM); | |
495a714c JS |
1461 | |
1462 | /* nlp_type zero is not defined, nlp_flag zero also not defined, | |
1463 | * nlp_state is unused, this happens when | |
1464 | * an initiator has logged | |
1465 | * into us so cleanup this ndlp. | |
1466 | */ | |
1467 | if ((ndlp->nlp_type == 0) && (ndlp->nlp_flag == 0) && | |
1468 | (ndlp->nlp_state == 0)) | |
1469 | lpfc_nlp_put(ndlp); | |
87af33fe JS |
1470 | } |
1471 | ||
a8adb832 JS |
1472 | /* At this point, ALL ndlp's should be gone |
1473 | * because of the previous NLP_EVT_DEVICE_RM. | |
1474 | * Lets wait for this to happen, if needed. | |
1475 | */ | |
87af33fe JS |
1476 | while (!list_empty(&vport->fc_nodes)) { |
1477 | ||
a8adb832 | 1478 | if (i++ > 3000) { |
87af33fe | 1479 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 1480 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
1481 | list_for_each_entry_safe(ndlp, next_ndlp, |
1482 | &vport->fc_nodes, nlp_listp) { | |
1483 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
1484 | LOG_NODE, | |
1485 | "0282: did:x%x ndlp:x%p " | |
1486 | "usgmap:x%x refcnt:%d\n", | |
1487 | ndlp->nlp_DID, (void *)ndlp, | |
1488 | ndlp->nlp_usg_map, | |
1489 | atomic_read( | |
1490 | &ndlp->kref.refcount)); | |
1491 | } | |
a8adb832 | 1492 | break; |
87af33fe | 1493 | } |
a8adb832 JS |
1494 | |
1495 | /* Wait for any activity on ndlps to settle */ | |
1496 | msleep(10); | |
87af33fe | 1497 | } |
dea3101e JB |
1498 | return; |
1499 | } | |
1500 | ||
92d7f7b0 JS |
1501 | void |
1502 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 1503 | { |
92d7f7b0 JS |
1504 | del_timer_sync(&vport->els_tmofunc); |
1505 | del_timer_sync(&vport->fc_fdmitmo); | |
1506 | lpfc_can_disctmo(vport); | |
1507 | return; | |
dea3101e JB |
1508 | } |
1509 | ||
2e0fef85 | 1510 | static void |
92d7f7b0 | 1511 | lpfc_stop_phba_timers(struct lpfc_hba *phba) |
dea3101e | 1512 | { |
875fbdfe | 1513 | del_timer_sync(&phba->fcp_poll_timer); |
51ef4c26 | 1514 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 1515 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 1516 | del_timer_sync(&phba->fabric_block_timer); |
858c9f6c JS |
1517 | phba->hb_outstanding = 0; |
1518 | del_timer_sync(&phba->hb_tmofunc); | |
2e0fef85 | 1519 | return; |
dea3101e JB |
1520 | } |
1521 | ||
a6ababd2 AB |
1522 | static void |
1523 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
1524 | { | |
1525 | unsigned long iflag; | |
1526 | ||
1527 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1528 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
1529 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1530 | } | |
1531 | ||
dea3101e | 1532 | int |
2e0fef85 | 1533 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 1534 | { |
2e0fef85 | 1535 | struct lpfc_vport *vport = phba->pport; |
549e55cd JS |
1536 | struct lpfc_vport **vports; |
1537 | int i; | |
2e0fef85 | 1538 | |
dea3101e JB |
1539 | if (!phba) |
1540 | return 0; | |
1541 | ||
2e0fef85 | 1542 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
1543 | return 0; |
1544 | ||
ed957684 | 1545 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1546 | "0458 Bring Adapter online\n"); |
dea3101e | 1547 | |
46fa311e JS |
1548 | lpfc_block_mgmt_io(phba); |
1549 | ||
1550 | if (!lpfc_sli_queue_setup(phba)) { | |
1551 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1552 | return 1; |
46fa311e | 1553 | } |
dea3101e | 1554 | |
46fa311e JS |
1555 | if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ |
1556 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1557 | return 1; |
46fa311e | 1558 | } |
dea3101e | 1559 | |
549e55cd JS |
1560 | vports = lpfc_create_vport_work_array(phba); |
1561 | if (vports != NULL) | |
09372820 | 1562 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd JS |
1563 | struct Scsi_Host *shost; |
1564 | shost = lpfc_shost_from_vport(vports[i]); | |
1565 | spin_lock_irq(shost->host_lock); | |
1566 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
1567 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
1568 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1569 | spin_unlock_irq(shost->host_lock); | |
1570 | } | |
09372820 | 1571 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1572 | |
46fa311e | 1573 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1574 | return 0; |
1575 | } | |
1576 | ||
46fa311e JS |
1577 | void |
1578 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
1579 | { | |
1580 | unsigned long iflag; | |
1581 | ||
2e0fef85 JS |
1582 | spin_lock_irqsave(&phba->hbalock, iflag); |
1583 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
1584 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
1585 | } |
1586 | ||
1587 | void | |
1588 | lpfc_offline_prep(struct lpfc_hba * phba) | |
1589 | { | |
2e0fef85 | 1590 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 1591 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
1592 | struct lpfc_vport **vports; |
1593 | int i; | |
dea3101e | 1594 | |
2e0fef85 | 1595 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1596 | return; |
dea3101e | 1597 | |
46fa311e | 1598 | lpfc_block_mgmt_io(phba); |
dea3101e JB |
1599 | |
1600 | lpfc_linkdown(phba); | |
1601 | ||
87af33fe JS |
1602 | /* Issue an unreg_login to all nodes on all vports */ |
1603 | vports = lpfc_create_vport_work_array(phba); | |
1604 | if (vports != NULL) { | |
09372820 | 1605 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
87af33fe JS |
1606 | struct Scsi_Host *shost; |
1607 | ||
a8adb832 JS |
1608 | if (vports[i]->load_flag & FC_UNLOADING) |
1609 | continue; | |
87af33fe JS |
1610 | shost = lpfc_shost_from_vport(vports[i]); |
1611 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1612 | &vports[i]->fc_nodes, | |
1613 | nlp_listp) { | |
e47c9093 JS |
1614 | if (!NLP_CHK_NODE_ACT(ndlp)) |
1615 | continue; | |
87af33fe JS |
1616 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
1617 | continue; | |
1618 | if (ndlp->nlp_type & NLP_FABRIC) { | |
1619 | lpfc_disc_state_machine(vports[i], ndlp, | |
1620 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
1621 | lpfc_disc_state_machine(vports[i], ndlp, | |
1622 | NULL, NLP_EVT_DEVICE_RM); | |
1623 | } | |
1624 | spin_lock_irq(shost->host_lock); | |
1625 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1626 | spin_unlock_irq(shost->host_lock); | |
1627 | lpfc_unreg_rpi(vports[i], ndlp); | |
1628 | } | |
1629 | } | |
1630 | } | |
09372820 | 1631 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1632 | |
46fa311e JS |
1633 | lpfc_sli_flush_mbox_queue(phba); |
1634 | } | |
1635 | ||
1636 | void | |
2e0fef85 | 1637 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 1638 | { |
549e55cd JS |
1639 | struct Scsi_Host *shost; |
1640 | struct lpfc_vport **vports; | |
1641 | int i; | |
46fa311e | 1642 | |
549e55cd | 1643 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1644 | return; |
688a8863 | 1645 | |
dea3101e | 1646 | /* stop all timers associated with this hba */ |
92d7f7b0 | 1647 | lpfc_stop_phba_timers(phba); |
51ef4c26 JS |
1648 | vports = lpfc_create_vport_work_array(phba); |
1649 | if (vports != NULL) | |
09372820 | 1650 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) |
51ef4c26 | 1651 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 1652 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 1653 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1654 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
1655 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
1656 | now. */ | |
1657 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 1658 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1659 | phba->work_ha = 0; |
92d7f7b0 | 1660 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
1661 | vports = lpfc_create_vport_work_array(phba); |
1662 | if (vports != NULL) | |
09372820 | 1663 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd | 1664 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
1665 | spin_lock_irq(shost->host_lock); |
1666 | vports[i]->work_port_events = 0; | |
1667 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
1668 | spin_unlock_irq(shost->host_lock); | |
1669 | } | |
09372820 | 1670 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
1671 | } |
1672 | ||
1673 | /****************************************************************************** | |
1674 | * Function name: lpfc_scsi_free | |
1675 | * | |
1676 | * Description: Called from lpfc_pci_remove_one free internal driver resources | |
1677 | * | |
1678 | ******************************************************************************/ | |
1679 | static int | |
2e0fef85 | 1680 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
1681 | { |
1682 | struct lpfc_scsi_buf *sb, *sb_next; | |
1683 | struct lpfc_iocbq *io, *io_next; | |
1684 | ||
2e0fef85 | 1685 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1686 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1687 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
1688 | list_del(&sb->list); | |
1689 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 1690 | sb->dma_handle); |
dea3101e JB |
1691 | kfree(sb); |
1692 | phba->total_scsi_bufs--; | |
1693 | } | |
1694 | ||
1695 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
1696 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
1697 | list_del(&io->list); | |
1698 | kfree(io); | |
1699 | phba->total_iocbq_bufs--; | |
1700 | } | |
1701 | ||
2e0fef85 | 1702 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1703 | |
1704 | return 0; | |
1705 | } | |
1706 | ||
2e0fef85 | 1707 | struct lpfc_vport * |
3de2a653 | 1708 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 1709 | { |
2e0fef85 JS |
1710 | struct lpfc_vport *vport; |
1711 | struct Scsi_Host *shost; | |
1712 | int error = 0; | |
47a8617c | 1713 | |
3de2a653 JS |
1714 | if (dev != &phba->pcidev->dev) |
1715 | shost = scsi_host_alloc(&lpfc_vport_template, | |
1716 | sizeof(struct lpfc_vport)); | |
1717 | else | |
1718 | shost = scsi_host_alloc(&lpfc_template, | |
1719 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
1720 | if (!shost) |
1721 | goto out; | |
47a8617c | 1722 | |
2e0fef85 JS |
1723 | vport = (struct lpfc_vport *) shost->hostdata; |
1724 | vport->phba = phba; | |
2e0fef85 | 1725 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 1726 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 1727 | vport->fc_rscn_flush = 0; |
47a8617c | 1728 | |
3de2a653 | 1729 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
1730 | shost->unique_id = instance; |
1731 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 1732 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
1733 | shost->this_id = -1; |
1734 | shost->max_cmd_len = 16; | |
47a8617c | 1735 | /* |
2e0fef85 JS |
1736 | * Set initial can_queue value since 0 is no longer supported and |
1737 | * scsi_add_host will fail. This will be adjusted later based on the | |
1738 | * max xri value determined in hba setup. | |
47a8617c | 1739 | */ |
2e0fef85 | 1740 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 1741 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
1742 | shost->transportt = lpfc_vport_transport_template; |
1743 | vport->port_type = LPFC_NPIV_PORT; | |
1744 | } else { | |
1745 | shost->transportt = lpfc_transport_template; | |
1746 | vport->port_type = LPFC_PHYSICAL_PORT; | |
1747 | } | |
47a8617c | 1748 | |
2e0fef85 JS |
1749 | /* Initialize all internally managed lists. */ |
1750 | INIT_LIST_HEAD(&vport->fc_nodes); | |
1751 | spin_lock_init(&vport->work_port_lock); | |
47a8617c | 1752 | |
2e0fef85 JS |
1753 | init_timer(&vport->fc_disctmo); |
1754 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 1755 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 1756 | |
2e0fef85 JS |
1757 | init_timer(&vport->fc_fdmitmo); |
1758 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 1759 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 1760 | |
2e0fef85 JS |
1761 | init_timer(&vport->els_tmofunc); |
1762 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 1763 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 1764 | |
3de2a653 | 1765 | error = scsi_add_host(shost, dev); |
2e0fef85 JS |
1766 | if (error) |
1767 | goto out_put_shost; | |
47a8617c | 1768 | |
549e55cd | 1769 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 1770 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 1771 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 1772 | return vport; |
47a8617c | 1773 | |
2e0fef85 JS |
1774 | out_put_shost: |
1775 | scsi_host_put(shost); | |
1776 | out: | |
1777 | return NULL; | |
47a8617c JS |
1778 | } |
1779 | ||
2e0fef85 JS |
1780 | void |
1781 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 1782 | { |
92d7f7b0 JS |
1783 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1784 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 1785 | |
92d7f7b0 | 1786 | kfree(vport->vname); |
47a8617c | 1787 | |
858c9f6c | 1788 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
1789 | fc_remove_host(shost); |
1790 | scsi_remove_host(shost); | |
47a8617c | 1791 | |
92d7f7b0 JS |
1792 | spin_lock_irq(&phba->hbalock); |
1793 | list_del_init(&vport->listentry); | |
1794 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 1795 | |
92d7f7b0 | 1796 | lpfc_cleanup(vport); |
47a8617c | 1797 | return; |
47a8617c JS |
1798 | } |
1799 | ||
92d7f7b0 JS |
1800 | int |
1801 | lpfc_get_instance(void) | |
1802 | { | |
1803 | int instance = 0; | |
47a8617c | 1804 | |
92d7f7b0 JS |
1805 | /* Assign an unused number */ |
1806 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
1807 | return -1; | |
1808 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
1809 | return -1; | |
1810 | return instance; | |
47a8617c JS |
1811 | } |
1812 | ||
858c9f6c JS |
1813 | /* |
1814 | * Note: there is no scan_start function as adapter initialization | |
1815 | * will have asynchronously kicked off the link initialization. | |
1816 | */ | |
47a8617c JS |
1817 | |
1818 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1819 | { | |
2e0fef85 JS |
1820 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1821 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 1822 | int stat = 0; |
47a8617c | 1823 | |
858c9f6c JS |
1824 | spin_lock_irq(shost->host_lock); |
1825 | ||
51ef4c26 | 1826 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
1827 | stat = 1; |
1828 | goto finished; | |
1829 | } | |
2e0fef85 JS |
1830 | if (time >= 30 * HZ) { |
1831 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
1832 | "0461 Scanning longer than 30 " |
1833 | "seconds. Continuing initialization\n"); | |
858c9f6c | 1834 | stat = 1; |
47a8617c | 1835 | goto finished; |
2e0fef85 JS |
1836 | } |
1837 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
1838 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
1839 | "0465 Link down longer than 15 " |
1840 | "seconds. Continuing initialization\n"); | |
858c9f6c | 1841 | stat = 1; |
47a8617c | 1842 | goto finished; |
2e0fef85 | 1843 | } |
47a8617c | 1844 | |
2e0fef85 | 1845 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 1846 | goto finished; |
2e0fef85 | 1847 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 1848 | goto finished; |
2e0fef85 | 1849 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 1850 | goto finished; |
2e0fef85 | 1851 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
1852 | goto finished; |
1853 | ||
1854 | stat = 1; | |
47a8617c JS |
1855 | |
1856 | finished: | |
858c9f6c JS |
1857 | spin_unlock_irq(shost->host_lock); |
1858 | return stat; | |
92d7f7b0 | 1859 | } |
47a8617c | 1860 | |
92d7f7b0 JS |
1861 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
1862 | { | |
1863 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1864 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 1865 | /* |
2e0fef85 | 1866 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
1867 | */ |
1868 | ||
2e0fef85 JS |
1869 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
1870 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
1871 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
1872 | ||
1873 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 1874 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
1875 | fc_host_supported_fc4s(shost)[2] = 1; |
1876 | fc_host_supported_fc4s(shost)[7] = 1; | |
1877 | ||
92d7f7b0 JS |
1878 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
1879 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
1880 | |
1881 | fc_host_supported_speeds(shost) = 0; | |
1882 | if (phba->lmt & LMT_10Gb) | |
1883 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
1884 | if (phba->lmt & LMT_8Gb) |
1885 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
1886 | if (phba->lmt & LMT_4Gb) |
1887 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
1888 | if (phba->lmt & LMT_2Gb) | |
1889 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
1890 | if (phba->lmt & LMT_1Gb) | |
1891 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
1892 | ||
1893 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
1894 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
1895 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
1896 | |
1897 | /* This value is also unchanging */ | |
1898 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 1899 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
1900 | fc_host_active_fc4s(shost)[2] = 1; |
1901 | fc_host_active_fc4s(shost)[7] = 1; | |
1902 | ||
92d7f7b0 | 1903 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 1904 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 1905 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 1906 | spin_unlock_irq(shost->host_lock); |
47a8617c | 1907 | } |
dea3101e | 1908 | |
db2378e0 JS |
1909 | static int |
1910 | lpfc_enable_msix(struct lpfc_hba *phba) | |
1911 | { | |
1912 | int error; | |
1913 | ||
1914 | phba->msix_entries[0].entry = 0; | |
1915 | phba->msix_entries[0].vector = 0; | |
1916 | ||
1917 | error = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
1918 | ARRAY_SIZE(phba->msix_entries)); | |
1919 | if (error) { | |
1920 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1921 | "0420 Enable MSI-X failed (%d), continuing " | |
1922 | "with MSI\n", error); | |
1923 | pci_disable_msix(phba->pcidev); | |
1924 | return error; | |
1925 | } | |
1926 | ||
1927 | error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0, | |
1928 | LPFC_DRIVER_NAME, phba); | |
1929 | if (error) { | |
1930 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1931 | "0421 MSI-X request_irq failed (%d), " | |
1932 | "continuing with MSI\n", error); | |
1933 | pci_disable_msix(phba->pcidev); | |
1934 | } | |
1935 | return error; | |
1936 | } | |
1937 | ||
1938 | static void | |
1939 | lpfc_disable_msix(struct lpfc_hba *phba) | |
1940 | { | |
1941 | free_irq(phba->msix_entries[0].vector, phba); | |
1942 | pci_disable_msix(phba->pcidev); | |
1943 | } | |
1944 | ||
dea3101e JB |
1945 | static int __devinit |
1946 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
1947 | { | |
2e0fef85 JS |
1948 | struct lpfc_vport *vport = NULL; |
1949 | struct lpfc_hba *phba; | |
1950 | struct lpfc_sli *psli; | |
dea3101e | 1951 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; |
2e0fef85 | 1952 | struct Scsi_Host *shost = NULL; |
51ef4c26 | 1953 | void *ptr; |
dea3101e | 1954 | unsigned long bar0map_len, bar2map_len; |
98c9ea5c | 1955 | int error = -ENODEV, retval; |
51ef4c26 | 1956 | int i, hbq_count; |
604a3e30 | 1957 | uint16_t iotag; |
8a4df120 | 1958 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
dea3101e | 1959 | |
d5f78fb0 | 1960 | if (pci_enable_device_mem(pdev)) |
dea3101e | 1961 | goto out; |
8a4df120 | 1962 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) |
dea3101e JB |
1963 | goto out_disable_device; |
1964 | ||
2e0fef85 JS |
1965 | phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); |
1966 | if (!phba) | |
dea3101e JB |
1967 | goto out_release_regions; |
1968 | ||
2e0fef85 | 1969 | spin_lock_init(&phba->hbalock); |
dea3101e | 1970 | |
e47c9093 JS |
1971 | /* Initialize ndlp management spinlock */ |
1972 | spin_lock_init(&phba->ndlp_lock); | |
1973 | ||
dea3101e JB |
1974 | phba->pcidev = pdev; |
1975 | ||
1976 | /* Assign an unused board number */ | |
92d7f7b0 | 1977 | if ((phba->brd_no = lpfc_get_instance()) < 0) |
2e0fef85 | 1978 | goto out_free_phba; |
dea3101e | 1979 | |
2e0fef85 | 1980 | INIT_LIST_HEAD(&phba->port_list); |
2e0fef85 JS |
1981 | /* |
1982 | * Get all the module params for configuring this host and then | |
1983 | * establish the host. | |
1984 | */ | |
1985 | lpfc_get_cfgparam(phba); | |
92d7f7b0 | 1986 | phba->max_vpi = LPFC_MAX_VPI; |
dea3101e JB |
1987 | |
1988 | /* Initialize timers used by driver */ | |
858c9f6c JS |
1989 | init_timer(&phba->hb_tmofunc); |
1990 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
1991 | phba->hb_tmofunc.data = (unsigned long)phba; | |
1992 | ||
dea3101e JB |
1993 | psli = &phba->sli; |
1994 | init_timer(&psli->mbox_tmo); | |
1995 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 1996 | psli->mbox_tmo.data = (unsigned long) phba; |
875fbdfe JSEC |
1997 | init_timer(&phba->fcp_poll_timer); |
1998 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 1999 | phba->fcp_poll_timer.data = (unsigned long) phba; |
92d7f7b0 JS |
2000 | init_timer(&phba->fabric_block_timer); |
2001 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
2002 | phba->fabric_block_timer.data = (unsigned long) phba; | |
dea3101e | 2003 | |
dea3101e | 2004 | pci_set_master(pdev); |
694625c0 | 2005 | pci_try_set_mwi(pdev); |
dea3101e JB |
2006 | |
2007 | if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) | |
2008 | if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) | |
2009 | goto out_idr_remove; | |
2010 | ||
2011 | /* | |
2012 | * Get the bus address of Bar0 and Bar2 and the number of bytes | |
2013 | * required by each mapping. | |
2014 | */ | |
2015 | phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); | |
2016 | bar0map_len = pci_resource_len(phba->pcidev, 0); | |
2017 | ||
2018 | phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); | |
2019 | bar2map_len = pci_resource_len(phba->pcidev, 2); | |
2020 | ||
901a920f | 2021 | /* Map HBA SLIM to a kernel virtual address. */ |
dea3101e | 2022 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); |
901a920f JW |
2023 | if (!phba->slim_memmap_p) { |
2024 | error = -ENODEV; | |
2025 | dev_printk(KERN_ERR, &pdev->dev, | |
2026 | "ioremap failed for SLIM memory.\n"); | |
2027 | goto out_idr_remove; | |
2028 | } | |
2029 | ||
2030 | /* Map HBA Control Registers to a kernel virtual address. */ | |
dea3101e | 2031 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); |
901a920f JW |
2032 | if (!phba->ctrl_regs_memmap_p) { |
2033 | error = -ENODEV; | |
2034 | dev_printk(KERN_ERR, &pdev->dev, | |
2035 | "ioremap failed for HBA control registers.\n"); | |
2036 | goto out_iounmap_slim; | |
2037 | } | |
dea3101e JB |
2038 | |
2039 | /* Allocate memory for SLI-2 structures */ | |
2040 | phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, | |
2041 | &phba->slim2p_mapping, GFP_KERNEL); | |
2042 | if (!phba->slim2p) | |
2043 | goto out_iounmap; | |
2044 | ||
f91b392c | 2045 | memset(phba->slim2p, 0, SLI2_SLIM_SIZE); |
dea3101e | 2046 | |
ed957684 JS |
2047 | phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2048 | lpfc_sli_hbq_size(), | |
2049 | &phba->hbqslimp.phys, | |
2050 | GFP_KERNEL); | |
2051 | if (!phba->hbqslimp.virt) | |
2052 | goto out_free_slim; | |
2053 | ||
51ef4c26 JS |
2054 | hbq_count = lpfc_sli_hbq_count(); |
2055 | ptr = phba->hbqslimp.virt; | |
2056 | for (i = 0; i < hbq_count; ++i) { | |
2057 | phba->hbqs[i].hbq_virt = ptr; | |
2058 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
2059 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
2060 | sizeof(struct lpfc_hbq_entry)); | |
2061 | } | |
2062 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
2063 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
2064 | ||
ed957684 JS |
2065 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); |
2066 | ||
3163f725 JS |
2067 | INIT_LIST_HEAD(&phba->hbqbuf_in_list); |
2068 | ||
dea3101e JB |
2069 | /* Initialize the SLI Layer to run with lpfc HBAs. */ |
2070 | lpfc_sli_setup(phba); | |
2071 | lpfc_sli_queue_setup(phba); | |
2072 | ||
98c9ea5c JS |
2073 | retval = lpfc_mem_alloc(phba); |
2074 | if (retval) { | |
2075 | error = retval; | |
ed957684 | 2076 | goto out_free_hbqslimp; |
98c9ea5c | 2077 | } |
dea3101e JB |
2078 | |
2079 | /* Initialize and populate the iocb list per host. */ | |
2080 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
2081 | for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { | |
dd00cc48 | 2082 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
2083 | if (iocbq_entry == NULL) { |
2084 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
2085 | "expected %d count. Unloading driver.\n", | |
2086 | __FUNCTION__, i, LPFC_IOCB_LIST_CNT); | |
2087 | error = -ENOMEM; | |
2088 | goto out_free_iocbq; | |
2089 | } | |
2090 | ||
604a3e30 JB |
2091 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
2092 | if (iotag == 0) { | |
2093 | kfree (iocbq_entry); | |
2094 | printk(KERN_ERR "%s: failed to allocate IOTAG. " | |
2095 | "Unloading driver.\n", | |
2096 | __FUNCTION__); | |
2097 | error = -ENOMEM; | |
2098 | goto out_free_iocbq; | |
2099 | } | |
2e0fef85 JS |
2100 | |
2101 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
2102 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
2103 | phba->total_iocbq_bufs++; | |
2e0fef85 | 2104 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2105 | } |
2106 | ||
2107 | /* Initialize HBA structure */ | |
2108 | phba->fc_edtov = FF_DEF_EDTOV; | |
2109 | phba->fc_ratov = FF_DEF_RATOV; | |
2110 | phba->fc_altov = FF_DEF_ALTOV; | |
2111 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
2112 | ||
2113 | INIT_LIST_HEAD(&phba->work_list); | |
2114 | phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); | |
2115 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
2116 | ||
5e9d9b82 JS |
2117 | /* Initialize the wait queue head for the kernel thread */ |
2118 | init_waitqueue_head(&phba->work_waitq); | |
2119 | ||
dea3101e JB |
2120 | /* Startup the kernel thread for this host adapter. */ |
2121 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
2122 | "lpfc_worker_%d", phba->brd_no); | |
2123 | if (IS_ERR(phba->worker_thread)) { | |
2124 | error = PTR_ERR(phba->worker_thread); | |
2125 | goto out_free_iocbq; | |
2126 | } | |
2127 | ||
dea3101e | 2128 | /* Initialize the list of scsi buffers used by driver for scsi IO. */ |
875fbdfe | 2129 | spin_lock_init(&phba->scsi_buf_list_lock); |
dea3101e JB |
2130 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); |
2131 | ||
92d7f7b0 JS |
2132 | /* Initialize list of fabric iocbs */ |
2133 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
2134 | ||
0ff10d46 JS |
2135 | /* Initialize list to save ELS buffers */ |
2136 | INIT_LIST_HEAD(&phba->elsbuf); | |
2137 | ||
3de2a653 | 2138 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
2e0fef85 JS |
2139 | if (!vport) |
2140 | goto out_kthread_stop; | |
2141 | ||
2142 | shost = lpfc_shost_from_vport(vport); | |
2e0fef85 | 2143 | phba->pport = vport; |
858c9f6c | 2144 | lpfc_debugfs_initialize(vport); |
2e0fef85 | 2145 | |
92d7f7b0 | 2146 | pci_set_drvdata(pdev, shost); |
db2378e0 JS |
2147 | phba->intr_type = NONE; |
2148 | ||
2149 | if (phba->cfg_use_msi == 2) { | |
2150 | error = lpfc_enable_msix(phba); | |
2151 | if (!error) | |
2152 | phba->intr_type = MSIX; | |
2153 | } | |
dea3101e | 2154 | |
db2378e0 JS |
2155 | /* Fallback to MSI if MSI-X initialization failed */ |
2156 | if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { | |
98c9ea5c JS |
2157 | retval = pci_enable_msi(phba->pcidev); |
2158 | if (!retval) | |
db2378e0 | 2159 | phba->intr_type = MSI; |
51ef4c26 | 2160 | else |
e8b62011 JS |
2161 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2162 | "0452 Enable MSI failed, continuing " | |
2163 | "with IRQ\n"); | |
4ff43246 JS |
2164 | } |
2165 | ||
db2378e0 JS |
2166 | /* MSI-X is the only case the doesn't need to call request_irq */ |
2167 | if (phba->intr_type != MSIX) { | |
2168 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2169 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2170 | if (retval) { | |
2171 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable " | |
2172 | "interrupt handler failed\n"); | |
2173 | error = retval; | |
2174 | goto out_disable_msi; | |
2175 | } else if (phba->intr_type != MSI) | |
2176 | phba->intr_type = INTx; | |
dea3101e | 2177 | } |
dea3101e | 2178 | |
2e0fef85 JS |
2179 | phba->MBslimaddr = phba->slim_memmap_p; |
2180 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
2181 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
2182 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
2183 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
2184 | ||
98c9ea5c JS |
2185 | if (lpfc_alloc_sysfs_attr(vport)) { |
2186 | error = -ENOMEM; | |
dea3101e | 2187 | goto out_free_irq; |
98c9ea5c | 2188 | } |
875fbdfe | 2189 | |
98c9ea5c JS |
2190 | if (lpfc_sli_hba_setup(phba)) { |
2191 | error = -ENODEV; | |
858c9f6c | 2192 | goto out_remove_device; |
98c9ea5c | 2193 | } |
858c9f6c JS |
2194 | |
2195 | /* | |
2196 | * hba setup may have changed the hba_queue_depth so we need to adjust | |
2197 | * the value of can_queue. | |
2198 | */ | |
2199 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
2200 | ||
2201 | lpfc_host_attrib_init(shost); | |
2202 | ||
2e0fef85 JS |
2203 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
2204 | spin_lock_irq(shost->host_lock); | |
2205 | lpfc_poll_start_timer(phba); | |
2206 | spin_unlock_irq(shost->host_lock); | |
2207 | } | |
dea3101e | 2208 | |
858c9f6c | 2209 | scsi_scan_host(shost); |
dea3101e | 2210 | |
dea3101e JB |
2211 | return 0; |
2212 | ||
858c9f6c JS |
2213 | out_remove_device: |
2214 | lpfc_free_sysfs_attr(vport); | |
2215 | spin_lock_irq(shost->host_lock); | |
51ef4c26 | 2216 | vport->load_flag |= FC_UNLOADING; |
858c9f6c | 2217 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2218 | out_free_irq: |
92d7f7b0 | 2219 | lpfc_stop_phba_timers(phba); |
2e0fef85 | 2220 | phba->pport->work_port_events = 0; |
db2378e0 JS |
2221 | |
2222 | if (phba->intr_type == MSIX) | |
2223 | lpfc_disable_msix(phba); | |
2224 | else | |
2225 | free_irq(phba->pcidev->irq, phba); | |
2226 | ||
92d7f7b0 | 2227 | out_disable_msi: |
db2378e0 | 2228 | if (phba->intr_type == MSI) |
51ef4c26 | 2229 | pci_disable_msi(phba->pcidev); |
2e0fef85 | 2230 | destroy_port(vport); |
dea3101e JB |
2231 | out_kthread_stop: |
2232 | kthread_stop(phba->worker_thread); | |
2233 | out_free_iocbq: | |
2234 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
2235 | &phba->lpfc_iocb_list, list) { | |
dea3101e JB |
2236 | kfree(iocbq_entry); |
2237 | phba->total_iocbq_bufs--; | |
dea3101e JB |
2238 | } |
2239 | lpfc_mem_free(phba); | |
ed957684 JS |
2240 | out_free_hbqslimp: |
2241 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, | |
2242 | phba->hbqslimp.phys); | |
dea3101e JB |
2243 | out_free_slim: |
2244 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, | |
2245 | phba->slim2p_mapping); | |
2246 | out_iounmap: | |
2247 | iounmap(phba->ctrl_regs_memmap_p); | |
901a920f | 2248 | out_iounmap_slim: |
dea3101e JB |
2249 | iounmap(phba->slim_memmap_p); |
2250 | out_idr_remove: | |
2251 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2e0fef85 JS |
2252 | out_free_phba: |
2253 | kfree(phba); | |
dea3101e | 2254 | out_release_regions: |
8a4df120 | 2255 | pci_release_selected_regions(pdev, bars); |
dea3101e JB |
2256 | out_disable_device: |
2257 | pci_disable_device(pdev); | |
2258 | out: | |
defbcf11 | 2259 | pci_set_drvdata(pdev, NULL); |
858c9f6c JS |
2260 | if (shost) |
2261 | scsi_host_put(shost); | |
dea3101e JB |
2262 | return error; |
2263 | } | |
2264 | ||
2265 | static void __devexit | |
2266 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
2267 | { | |
2e0fef85 JS |
2268 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2269 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2270 | struct lpfc_hba *phba = vport->phba; | |
8a4df120 TK |
2271 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
2272 | ||
549e55cd | 2273 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2274 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 2275 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2276 | |
858c9f6c JS |
2277 | kfree(vport->vname); |
2278 | lpfc_free_sysfs_attr(vport); | |
2279 | ||
09372820 JS |
2280 | kthread_stop(phba->worker_thread); |
2281 | ||
858c9f6c JS |
2282 | fc_remove_host(shost); |
2283 | scsi_remove_host(shost); | |
87af33fe JS |
2284 | lpfc_cleanup(vport); |
2285 | ||
2e0fef85 JS |
2286 | /* |
2287 | * Bring down the SLI Layer. This step disable all interrupts, | |
2288 | * clears the rings, discards all mailbox commands, and resets | |
2289 | * the HBA. | |
2290 | */ | |
2291 | lpfc_sli_hba_down(phba); | |
2292 | lpfc_sli_brdrestart(phba); | |
2293 | ||
92d7f7b0 | 2294 | lpfc_stop_phba_timers(phba); |
858c9f6c JS |
2295 | spin_lock_irq(&phba->hbalock); |
2296 | list_del_init(&vport->listentry); | |
2297 | spin_unlock_irq(&phba->hbalock); | |
2298 | ||
858c9f6c | 2299 | lpfc_debugfs_terminate(vport); |
2e0fef85 | 2300 | |
db2378e0 JS |
2301 | if (phba->intr_type == MSIX) |
2302 | lpfc_disable_msix(phba); | |
2303 | else { | |
2304 | free_irq(phba->pcidev->irq, phba); | |
2305 | if (phba->intr_type == MSI) | |
2306 | pci_disable_msi(phba->pcidev); | |
2307 | } | |
dea3101e JB |
2308 | |
2309 | pci_set_drvdata(pdev, NULL); | |
858c9f6c | 2310 | scsi_host_put(shost); |
2e0fef85 JS |
2311 | |
2312 | /* | |
2313 | * Call scsi_free before mem_free since scsi bufs are released to their | |
2314 | * corresponding pools here. | |
2315 | */ | |
2316 | lpfc_scsi_free(phba); | |
2317 | lpfc_mem_free(phba); | |
2318 | ||
ed957684 JS |
2319 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, |
2320 | phba->hbqslimp.phys); | |
2321 | ||
2e0fef85 JS |
2322 | /* Free resources associated with SLI2 interface */ |
2323 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
2324 | phba->slim2p, phba->slim2p_mapping); | |
2325 | ||
2326 | /* unmap adapter SLIM and Control Registers */ | |
2327 | iounmap(phba->ctrl_regs_memmap_p); | |
2328 | iounmap(phba->slim_memmap_p); | |
2329 | ||
2330 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2331 | ||
2332 | kfree(phba); | |
2333 | ||
8a4df120 | 2334 | pci_release_selected_regions(pdev, bars); |
2e0fef85 | 2335 | pci_disable_device(pdev); |
dea3101e JB |
2336 | } |
2337 | ||
8d63f375 LV |
2338 | /** |
2339 | * lpfc_io_error_detected - called when PCI error is detected | |
2340 | * @pdev: Pointer to PCI device | |
2341 | * @state: The current pci conneection state | |
2342 | * | |
2343 | * This function is called after a PCI bus error affecting | |
2344 | * this device has been detected. | |
2345 | */ | |
2346 | static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, | |
2347 | pci_channel_state_t state) | |
2348 | { | |
51ef4c26 JS |
2349 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2350 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 LV |
2351 | struct lpfc_sli *psli = &phba->sli; |
2352 | struct lpfc_sli_ring *pring; | |
2353 | ||
5daa49ef | 2354 | if (state == pci_channel_io_perm_failure) |
8d63f375 | 2355 | return PCI_ERS_RESULT_DISCONNECT; |
5daa49ef | 2356 | |
8d63f375 LV |
2357 | pci_disable_device(pdev); |
2358 | /* | |
2359 | * There may be I/Os dropped by the firmware. | |
2360 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
2361 | * retry it after re-establishing link. | |
2362 | */ | |
2363 | pring = &psli->ring[psli->fcp_ring]; | |
2364 | lpfc_sli_abort_iocb_ring(phba, pring); | |
2365 | ||
db2378e0 JS |
2366 | if (phba->intr_type == MSIX) |
2367 | lpfc_disable_msix(phba); | |
2368 | else { | |
2369 | free_irq(phba->pcidev->irq, phba); | |
2370 | if (phba->intr_type == MSI) | |
2371 | pci_disable_msi(phba->pcidev); | |
2372 | } | |
51ef4c26 | 2373 | |
8d63f375 LV |
2374 | /* Request a slot reset. */ |
2375 | return PCI_ERS_RESULT_NEED_RESET; | |
2376 | } | |
2377 | ||
2378 | /** | |
2379 | * lpfc_io_slot_reset - called after the pci bus has been reset. | |
2380 | * @pdev: Pointer to PCI device | |
2381 | * | |
2382 | * Restart the card from scratch, as if from a cold-boot. | |
2383 | */ | |
2384 | static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) | |
2385 | { | |
51ef4c26 JS |
2386 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2387 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 2388 | struct lpfc_sli *psli = &phba->sli; |
9b379605 | 2389 | int error, retval; |
8d63f375 LV |
2390 | |
2391 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
09483916 | 2392 | if (pci_enable_device_mem(pdev)) { |
8d63f375 LV |
2393 | printk(KERN_ERR "lpfc: Cannot re-enable " |
2394 | "PCI device after reset.\n"); | |
2395 | return PCI_ERS_RESULT_DISCONNECT; | |
2396 | } | |
2397 | ||
2398 | pci_set_master(pdev); | |
2399 | ||
92d7f7b0 | 2400 | spin_lock_irq(&phba->hbalock); |
8d63f375 | 2401 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 2402 | spin_unlock_irq(&phba->hbalock); |
8d63f375 | 2403 | |
9b379605 JS |
2404 | /* Enable configured interrupt method */ |
2405 | phba->intr_type = NONE; | |
2406 | if (phba->cfg_use_msi == 2) { | |
2407 | error = lpfc_enable_msix(phba); | |
2408 | if (!error) | |
2409 | phba->intr_type = MSIX; | |
2410 | } | |
2411 | ||
2412 | /* Fallback to MSI if MSI-X initialization failed */ | |
2413 | if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { | |
2414 | retval = pci_enable_msi(phba->pcidev); | |
2415 | if (!retval) | |
2416 | phba->intr_type = MSI; | |
2417 | else | |
2418 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2419 | "0470 Enable MSI failed, continuing " | |
2420 | "with IRQ\n"); | |
2421 | } | |
2422 | ||
2423 | /* MSI-X is the only case the doesn't need to call request_irq */ | |
2424 | if (phba->intr_type != MSIX) { | |
2425 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2426 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2427 | if (retval) { | |
2428 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2429 | "0471 Enable interrupt handler " | |
2430 | "failed\n"); | |
2431 | } else if (phba->intr_type != MSI) | |
2432 | phba->intr_type = INTx; | |
2433 | } | |
8d63f375 LV |
2434 | |
2435 | /* Take device offline; this will perform cleanup */ | |
2436 | lpfc_offline(phba); | |
2437 | lpfc_sli_brdrestart(phba); | |
2438 | ||
2439 | return PCI_ERS_RESULT_RECOVERED; | |
2440 | } | |
2441 | ||
2442 | /** | |
2443 | * lpfc_io_resume - called when traffic can start flowing again. | |
2444 | * @pdev: Pointer to PCI device | |
2445 | * | |
2446 | * This callback is called when the error recovery driver tells us that | |
2447 | * its OK to resume normal operation. | |
2448 | */ | |
2449 | static void lpfc_io_resume(struct pci_dev *pdev) | |
2450 | { | |
51ef4c26 JS |
2451 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2452 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 2453 | |
58da1ffb | 2454 | lpfc_online(phba); |
8d63f375 LV |
2455 | } |
2456 | ||
dea3101e JB |
2457 | static struct pci_device_id lpfc_id_table[] = { |
2458 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
2459 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
2460 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
2461 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2462 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
2463 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2464 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
2465 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2466 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
2467 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2468 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
2469 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2470 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
2471 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2472 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
2473 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2474 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
2475 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2476 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
2477 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2478 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
2479 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2480 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
2481 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2482 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
2483 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2484 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
2485 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2486 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
2487 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2488 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
2489 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2490 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
2491 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2492 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
2493 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2494 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
2495 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2496 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
2497 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2498 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
2499 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2500 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
2501 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2502 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
2503 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2504 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
2505 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2506 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
2507 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2508 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
2509 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2510 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
2511 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
2512 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
2513 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2514 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
2515 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2516 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
2517 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2518 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
2519 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2520 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
2521 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2522 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
2523 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2524 | { 0 } |
2525 | }; | |
2526 | ||
2527 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
2528 | ||
8d63f375 LV |
2529 | static struct pci_error_handlers lpfc_err_handler = { |
2530 | .error_detected = lpfc_io_error_detected, | |
2531 | .slot_reset = lpfc_io_slot_reset, | |
2532 | .resume = lpfc_io_resume, | |
2533 | }; | |
2534 | ||
dea3101e JB |
2535 | static struct pci_driver lpfc_driver = { |
2536 | .name = LPFC_DRIVER_NAME, | |
2537 | .id_table = lpfc_id_table, | |
2538 | .probe = lpfc_pci_probe_one, | |
2539 | .remove = __devexit_p(lpfc_pci_remove_one), | |
2e0fef85 | 2540 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
2541 | }; |
2542 | ||
2543 | static int __init | |
2544 | lpfc_init(void) | |
2545 | { | |
2546 | int error = 0; | |
2547 | ||
2548 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 2549 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 2550 | |
7ee5d43e JS |
2551 | if (lpfc_enable_npiv) { |
2552 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
2553 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
2554 | } | |
dea3101e JB |
2555 | lpfc_transport_template = |
2556 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 2557 | if (lpfc_transport_template == NULL) |
dea3101e | 2558 | return -ENOMEM; |
7ee5d43e | 2559 | if (lpfc_enable_npiv) { |
7ee5d43e | 2560 | lpfc_vport_transport_template = |
98c9ea5c JS |
2561 | fc_attach_transport(&lpfc_vport_transport_functions); |
2562 | if (lpfc_vport_transport_template == NULL) { | |
2563 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 2564 | return -ENOMEM; |
98c9ea5c | 2565 | } |
7ee5d43e | 2566 | } |
dea3101e | 2567 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 2568 | if (error) { |
dea3101e | 2569 | fc_release_transport(lpfc_transport_template); |
92d7f7b0 JS |
2570 | fc_release_transport(lpfc_vport_transport_template); |
2571 | } | |
dea3101e JB |
2572 | |
2573 | return error; | |
2574 | } | |
2575 | ||
2576 | static void __exit | |
2577 | lpfc_exit(void) | |
2578 | { | |
2579 | pci_unregister_driver(&lpfc_driver); | |
2580 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
2581 | if (lpfc_enable_npiv) |
2582 | fc_release_transport(lpfc_vport_transport_template); | |
dea3101e JB |
2583 | } |
2584 | ||
2585 | module_init(lpfc_init); | |
2586 | module_exit(lpfc_exit); | |
2587 | MODULE_LICENSE("GPL"); | |
2588 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
2589 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
2590 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |