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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 | ||
ed957684 JS |
148 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) |
149 | return -EINVAL; | |
150 | ||
dea3101e | 151 | /* Save information as VPD data */ |
1de933f3 | 152 | vp->rev.rBit = 1; |
92d7f7b0 | 153 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
154 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
155 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
156 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
157 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
158 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
159 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
160 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
161 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
162 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
163 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
164 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
165 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
166 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
167 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
168 | ||
92d7f7b0 JS |
169 | /* If the sli feature level is less then 9, we must |
170 | * tear down all RPIs and VPIs on link down if NPIV | |
171 | * is enabled. | |
172 | */ | |
173 | if (vp->rev.feaLevelHigh < 9) | |
174 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
175 | ||
dea3101e JB |
176 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
177 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
178 | sizeof (phba->RandomData)); | |
179 | ||
dea3101e JB |
180 | /* Get adapter VPD information */ |
181 | pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); | |
182 | if (!pmb->context2) | |
183 | goto out_free_mbox; | |
184 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); | |
185 | if (!lpfc_vpd_data) | |
186 | goto out_free_context2; | |
187 | ||
188 | do { | |
189 | lpfc_dump_mem(phba, pmb, offset); | |
190 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
191 | ||
192 | if (rc != MBX_SUCCESS) { | |
193 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 194 | "0441 VPD not present on adapter, " |
dea3101e | 195 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 196 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 197 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 198 | } |
74b72a59 JW |
199 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
200 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
dea3101e | 201 | lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, |
92d7f7b0 | 202 | mb->un.varDmp.word_cnt); |
dea3101e | 203 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
204 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
205 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
206 | |
207 | kfree(lpfc_vpd_data); | |
208 | out_free_context2: | |
209 | kfree(pmb->context2); | |
210 | out_free_mbox: | |
211 | mempool_free(pmb, phba->mbox_mem_pool); | |
212 | return 0; | |
213 | } | |
214 | ||
57127f15 JS |
215 | /* Completion handler for config async event mailbox command. */ |
216 | static void | |
217 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
218 | { | |
219 | if (pmboxq->mb.mbxStatus == MBX_SUCCESS) | |
220 | phba->temp_sensor_support = 1; | |
221 | else | |
222 | phba->temp_sensor_support = 0; | |
223 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
224 | return; | |
225 | } | |
226 | ||
dea3101e JB |
227 | /************************************************************************/ |
228 | /* */ | |
229 | /* lpfc_config_port_post */ | |
230 | /* This routine will do LPFC initialization after the */ | |
231 | /* CONFIG_PORT mailbox command. This will be initialized */ | |
232 | /* as a SLI layer callback routine. */ | |
233 | /* This routine returns 0 on success. Any other return value */ | |
234 | /* indicates an error. */ | |
235 | /* */ | |
236 | /************************************************************************/ | |
237 | int | |
2e0fef85 | 238 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 239 | { |
2e0fef85 | 240 | struct lpfc_vport *vport = phba->pport; |
dea3101e JB |
241 | LPFC_MBOXQ_t *pmb; |
242 | MAILBOX_t *mb; | |
243 | struct lpfc_dmabuf *mp; | |
244 | struct lpfc_sli *psli = &phba->sli; | |
245 | uint32_t status, timeout; | |
2e0fef85 JS |
246 | int i, j; |
247 | int rc; | |
dea3101e | 248 | |
7af67051 JS |
249 | spin_lock_irq(&phba->hbalock); |
250 | /* | |
251 | * If the Config port completed correctly the HBA is not | |
252 | * over heated any more. | |
253 | */ | |
254 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
255 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
256 | spin_unlock_irq(&phba->hbalock); | |
257 | ||
dea3101e JB |
258 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
259 | if (!pmb) { | |
2e0fef85 | 260 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
261 | return -ENOMEM; |
262 | } | |
263 | mb = &pmb->mb; | |
264 | ||
dea3101e | 265 | /* Get login parameters for NID. */ |
92d7f7b0 | 266 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 267 | pmb->vport = vport; |
dea3101e | 268 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 269 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 270 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 271 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 272 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 273 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
274 | mp = (struct lpfc_dmabuf *) pmb->context1; |
275 | mempool_free( pmb, phba->mbox_mem_pool); | |
276 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
277 | kfree(mp); | |
278 | return -EIO; | |
279 | } | |
280 | ||
281 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
282 | ||
2e0fef85 | 283 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
284 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
285 | kfree(mp); | |
286 | pmb->context1 = NULL; | |
287 | ||
a12e07bc | 288 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
289 | u64_to_wwn(phba->cfg_soft_wwnn, |
290 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 291 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
292 | u64_to_wwn(phba->cfg_soft_wwpn, |
293 | vport->fc_sparam.portName.u.wwn); | |
294 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 295 | sizeof (struct lpfc_name)); |
2e0fef85 | 296 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e JB |
297 | sizeof (struct lpfc_name)); |
298 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ | |
299 | /* This should be consolidated into parse_vpd ? - mr */ | |
300 | if (phba->SerialNumber[0] == 0) { | |
301 | uint8_t *outptr; | |
302 | ||
2e0fef85 | 303 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
304 | for (i = 0; i < 12; i++) { |
305 | status = *outptr++; | |
306 | j = ((status & 0xf0) >> 4); | |
307 | if (j <= 9) | |
308 | phba->SerialNumber[i] = | |
309 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
310 | else | |
311 | phba->SerialNumber[i] = | |
312 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
313 | i++; | |
314 | j = (status & 0xf); | |
315 | if (j <= 9) | |
316 | phba->SerialNumber[i] = | |
317 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
318 | else | |
319 | phba->SerialNumber[i] = | |
320 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
321 | } | |
322 | } | |
323 | ||
dea3101e | 324 | lpfc_read_config(phba, pmb); |
ed957684 | 325 | pmb->vport = vport; |
dea3101e | 326 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 327 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 328 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 329 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 330 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 331 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
332 | mempool_free( pmb, phba->mbox_mem_pool); |
333 | return -EIO; | |
334 | } | |
335 | ||
336 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
337 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
338 | phba->cfg_hba_queue_depth = | |
339 | mb->un.varRdConfig.max_xri + 1; | |
340 | ||
341 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
342 | |
343 | /* Get the default values for Model Name and Description */ | |
344 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
345 | ||
346 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
347 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
348 | && !(phba->lmt & LMT_1Gb)) | |
349 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
350 | && !(phba->lmt & LMT_2Gb)) | |
351 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
352 | && !(phba->lmt & LMT_4Gb)) | |
353 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
354 | && !(phba->lmt & LMT_8Gb)) | |
355 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
356 | && !(phba->lmt & LMT_10Gb))) { | |
357 | /* Reset link speed to auto */ | |
ed957684 | 358 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 359 | "1302 Invalid speed for this board: " |
dea3101e | 360 | "Reset link speed to auto: x%x\n", |
dea3101e JB |
361 | phba->cfg_link_speed); |
362 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
363 | } | |
364 | ||
2e0fef85 | 365 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 366 | |
0b727fea | 367 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
368 | if (psli->ring[psli->extra_ring].cmdringaddr) |
369 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
370 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
371 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
372 | if (psli->ring[psli->next_ring].cmdringaddr) | |
373 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
374 | ||
375 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
376 | if (phba->sli_rev != 3) |
377 | lpfc_post_rcv_buf(phba); | |
dea3101e JB |
378 | |
379 | /* Enable appropriate host interrupts */ | |
2e0fef85 | 380 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
381 | status = readl(phba->HCregaddr); |
382 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
383 | if (psli->num_rings > 0) | |
384 | status |= HC_R0INT_ENA; | |
385 | if (psli->num_rings > 1) | |
386 | status |= HC_R1INT_ENA; | |
387 | if (psli->num_rings > 2) | |
388 | status |= HC_R2INT_ENA; | |
389 | if (psli->num_rings > 3) | |
390 | status |= HC_R3INT_ENA; | |
391 | ||
875fbdfe JSEC |
392 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
393 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
394 | status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
395 | ||
dea3101e JB |
396 | writel(status, phba->HCregaddr); |
397 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 398 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
399 | |
400 | /* | |
401 | * Setup the ring 0 (els) timeout handler | |
402 | */ | |
403 | timeout = phba->fc_ratov << 1; | |
2e0fef85 | 404 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
858c9f6c JS |
405 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
406 | phba->hb_outstanding = 0; | |
407 | phba->last_completion_time = jiffies; | |
dea3101e JB |
408 | |
409 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
410 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 411 | pmb->vport = vport; |
8aee918a | 412 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
5b8bd0c9 | 413 | lpfc_set_loopback_flag(phba); |
8aee918a | 414 | if (rc != MBX_SUCCESS) { |
ed957684 | 415 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 416 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 417 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e JB |
418 | mb->mbxCommand, mb->mbxStatus); |
419 | ||
420 | /* Clear all interrupt enable conditions */ | |
421 | writel(0, phba->HCregaddr); | |
422 | readl(phba->HCregaddr); /* flush */ | |
423 | /* Clear all pending interrupts */ | |
424 | writel(0xffffffff, phba->HAregaddr); | |
425 | readl(phba->HAregaddr); /* flush */ | |
426 | ||
2e0fef85 | 427 | phba->link_state = LPFC_HBA_ERROR; |
8aee918a JS |
428 | if (rc != MBX_BUSY) |
429 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e JB |
430 | return -EIO; |
431 | } | |
432 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
433 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
434 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
435 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
436 | pmb->vport = phba->pport; | |
437 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 438 | |
57127f15 JS |
439 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
440 | lpfc_printf_log(phba, | |
441 | KERN_ERR, | |
442 | LOG_INIT, | |
443 | "0456 Adapter failed to issue " | |
444 | "ASYNCEVT_ENABLE mbox status x%x \n.", | |
445 | rc); | |
446 | mempool_free(pmb, phba->mbox_mem_pool); | |
447 | } | |
ce8b3ce5 JS |
448 | return (0); |
449 | } | |
450 | ||
dea3101e JB |
451 | /************************************************************************/ |
452 | /* */ | |
453 | /* lpfc_hba_down_prep */ | |
454 | /* This routine will do LPFC uninitialization before the */ | |
455 | /* HBA is reset when bringing down the SLI Layer. This will be */ | |
456 | /* initialized as a SLI layer callback routine. */ | |
457 | /* This routine returns 0 on success. Any other return value */ | |
458 | /* indicates an error. */ | |
459 | /* */ | |
460 | /************************************************************************/ | |
461 | int | |
2e0fef85 | 462 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 463 | { |
1b32f6aa JS |
464 | struct lpfc_vport **vports; |
465 | int i; | |
dea3101e JB |
466 | /* Disable interrupts */ |
467 | writel(0, phba->HCregaddr); | |
468 | readl(phba->HCregaddr); /* flush */ | |
469 | ||
1b32f6aa JS |
470 | if (phba->pport->load_flag & FC_UNLOADING) |
471 | lpfc_cleanup_discovery_resources(phba->pport); | |
472 | else { | |
473 | vports = lpfc_create_vport_work_array(phba); | |
474 | if (vports != NULL) | |
475 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) | |
476 | lpfc_cleanup_discovery_resources(vports[i]); | |
477 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
478 | } |
479 | return 0; | |
dea3101e JB |
480 | } |
481 | ||
41415862 JW |
482 | /************************************************************************/ |
483 | /* */ | |
484 | /* lpfc_hba_down_post */ | |
485 | /* This routine will do uninitialization after the HBA is reset */ | |
486 | /* when bringing down the SLI Layer. */ | |
487 | /* This routine returns 0 on success. Any other return value */ | |
488 | /* indicates an error. */ | |
489 | /* */ | |
490 | /************************************************************************/ | |
491 | int | |
2e0fef85 | 492 | lpfc_hba_down_post(struct lpfc_hba *phba) |
41415862 JW |
493 | { |
494 | struct lpfc_sli *psli = &phba->sli; | |
495 | struct lpfc_sli_ring *pring; | |
496 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 JS |
497 | struct lpfc_iocbq *iocb; |
498 | IOCB_t *cmd = NULL; | |
499 | LIST_HEAD(completions); | |
41415862 JW |
500 | int i; |
501 | ||
92d7f7b0 JS |
502 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
503 | lpfc_sli_hbqbuf_free_all(phba); | |
504 | else { | |
505 | /* Cleanup preposted buffers on the ELS ring */ | |
506 | pring = &psli->ring[LPFC_ELS_RING]; | |
507 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
508 | list_del(&mp->list); | |
509 | pring->postbufq_cnt--; | |
510 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
511 | kfree(mp); | |
512 | } | |
41415862 JW |
513 | } |
514 | ||
09372820 | 515 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
516 | for (i = 0; i < psli->num_rings; i++) { |
517 | pring = &psli->ring[i]; | |
09372820 JS |
518 | |
519 | /* At this point in time the HBA is either reset or DOA. Either | |
520 | * way, nothing should be on txcmplq as it will NEVER complete. | |
521 | */ | |
522 | list_splice_init(&pring->txcmplq, &completions); | |
523 | pring->txcmplq_cnt = 0; | |
524 | spin_unlock_irq(&phba->hbalock); | |
525 | ||
526 | while (!list_empty(&completions)) { | |
527 | iocb = list_get_first(&completions, struct lpfc_iocbq, | |
528 | list); | |
529 | cmd = &iocb->iocb; | |
530 | list_del_init(&iocb->list); | |
531 | ||
532 | if (!iocb->iocb_cmpl) | |
533 | lpfc_sli_release_iocbq(phba, iocb); | |
534 | else { | |
535 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
536 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
537 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
538 | } | |
539 | } | |
540 | ||
41415862 | 541 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 542 | spin_lock_irq(&phba->hbalock); |
41415862 | 543 | } |
09372820 | 544 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
545 | |
546 | return 0; | |
547 | } | |
548 | ||
858c9f6c | 549 | /* HBA heart beat timeout handler */ |
a6ababd2 | 550 | static void |
858c9f6c JS |
551 | lpfc_hb_timeout(unsigned long ptr) |
552 | { | |
553 | struct lpfc_hba *phba; | |
554 | unsigned long iflag; | |
555 | ||
556 | phba = (struct lpfc_hba *)ptr; | |
557 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
558 | if (!(phba->pport->work_port_events & WORKER_HB_TMO)) | |
559 | phba->pport->work_port_events |= WORKER_HB_TMO; | |
560 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
561 | ||
58da1ffb | 562 | spin_lock_irqsave(&phba->hbalock, iflag); |
858c9f6c JS |
563 | if (phba->work_wait) |
564 | wake_up(phba->work_wait); | |
58da1ffb | 565 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
858c9f6c JS |
566 | return; |
567 | } | |
568 | ||
569 | static void | |
570 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
571 | { | |
572 | unsigned long drvr_flag; | |
573 | ||
574 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
575 | phba->hb_outstanding = 0; | |
576 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
577 | ||
578 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
579 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
580 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 581 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
582 | mod_timer(&phba->hb_tmofunc, |
583 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
584 | return; | |
585 | } | |
586 | ||
587 | void | |
588 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
589 | { | |
590 | LPFC_MBOXQ_t *pmboxq; | |
0ff10d46 | 591 | struct lpfc_dmabuf *buf_ptr; |
858c9f6c JS |
592 | int retval; |
593 | struct lpfc_sli *psli = &phba->sli; | |
0ff10d46 | 594 | LIST_HEAD(completions); |
858c9f6c JS |
595 | |
596 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
51ef4c26 | 597 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
598 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
599 | return; | |
600 | ||
601 | spin_lock_irq(&phba->pport->work_port_lock); | |
602 | /* If the timer is already canceled do nothing */ | |
603 | if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { | |
604 | spin_unlock_irq(&phba->pport->work_port_lock); | |
605 | return; | |
606 | } | |
607 | ||
608 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
609 | jiffies)) { | |
610 | spin_unlock_irq(&phba->pport->work_port_lock); | |
611 | if (!phba->hb_outstanding) | |
612 | mod_timer(&phba->hb_tmofunc, | |
613 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
614 | else | |
615 | mod_timer(&phba->hb_tmofunc, | |
616 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
617 | return; | |
618 | } | |
619 | spin_unlock_irq(&phba->pport->work_port_lock); | |
620 | ||
0ff10d46 JS |
621 | if (phba->elsbuf_cnt && |
622 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
623 | spin_lock_irq(&phba->hbalock); | |
624 | list_splice_init(&phba->elsbuf, &completions); | |
625 | phba->elsbuf_cnt = 0; | |
626 | phba->elsbuf_prev_cnt = 0; | |
627 | spin_unlock_irq(&phba->hbalock); | |
628 | ||
629 | while (!list_empty(&completions)) { | |
630 | list_remove_head(&completions, buf_ptr, | |
631 | struct lpfc_dmabuf, list); | |
632 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
633 | kfree(buf_ptr); | |
634 | } | |
635 | } | |
636 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
637 | ||
858c9f6c | 638 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
639 | if (phba->cfg_enable_hba_heartbeat) { |
640 | if (!phba->hb_outstanding) { | |
641 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
642 | if (!pmboxq) { | |
643 | mod_timer(&phba->hb_tmofunc, | |
644 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
645 | return; | |
646 | } | |
858c9f6c | 647 | |
13815c83 JS |
648 | lpfc_heart_beat(phba, pmboxq); |
649 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
650 | pmboxq->vport = phba->pport; | |
651 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 652 | |
13815c83 JS |
653 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
654 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
655 | mod_timer(&phba->hb_tmofunc, | |
656 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
657 | return; | |
658 | } | |
858c9f6c | 659 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
660 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
661 | phba->hb_outstanding = 1; | |
858c9f6c | 662 | return; |
13815c83 JS |
663 | } else { |
664 | /* | |
665 | * If heart beat timeout called with hb_outstanding set | |
666 | * we need to take the HBA offline. | |
667 | */ | |
668 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
669 | "0459 Adapter heartbeat failure, " | |
670 | "taking this port offline.\n"); | |
671 | ||
672 | spin_lock_irq(&phba->hbalock); | |
673 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
674 | spin_unlock_irq(&phba->hbalock); | |
675 | ||
676 | lpfc_offline_prep(phba); | |
677 | lpfc_offline(phba); | |
678 | lpfc_unblock_mgmt_io(phba); | |
679 | phba->link_state = LPFC_HBA_ERROR; | |
680 | lpfc_hba_down_post(phba); | |
858c9f6c | 681 | } |
858c9f6c JS |
682 | } |
683 | } | |
684 | ||
09372820 JS |
685 | static void |
686 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
687 | { | |
688 | struct lpfc_sli *psli = &phba->sli; | |
689 | ||
690 | spin_lock_irq(&phba->hbalock); | |
691 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
692 | spin_unlock_irq(&phba->hbalock); | |
693 | lpfc_offline_prep(phba); | |
694 | ||
695 | lpfc_offline(phba); | |
696 | lpfc_reset_barrier(phba); | |
697 | lpfc_sli_brdreset(phba); | |
698 | lpfc_hba_down_post(phba); | |
699 | lpfc_sli_brdready(phba, HS_MBRDY); | |
700 | lpfc_unblock_mgmt_io(phba); | |
701 | phba->link_state = LPFC_HBA_ERROR; | |
702 | return; | |
703 | } | |
704 | ||
dea3101e JB |
705 | /************************************************************************/ |
706 | /* */ | |
707 | /* lpfc_handle_eratt */ | |
708 | /* This routine will handle processing a Host Attention */ | |
709 | /* Error Status event. This will be initialized */ | |
710 | /* as a SLI layer callback routine. */ | |
711 | /* */ | |
712 | /************************************************************************/ | |
713 | void | |
2e0fef85 | 714 | lpfc_handle_eratt(struct lpfc_hba *phba) |
dea3101e | 715 | { |
2e0fef85 | 716 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 717 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 718 | struct lpfc_sli_ring *pring; |
d2873e4c | 719 | uint32_t event_data; |
57127f15 JS |
720 | unsigned long temperature; |
721 | struct temp_event temp_event_data; | |
92d7f7b0 | 722 | struct Scsi_Host *shost; |
2e0fef85 | 723 | |
8d63f375 LV |
724 | /* If the pci channel is offline, ignore possible errors, |
725 | * since we cannot communicate with the pci card anyway. */ | |
726 | if (pci_channel_offline(phba->pcidev)) | |
727 | return; | |
13815c83 JS |
728 | /* If resets are disabled then leave the HBA alone and return */ |
729 | if (!phba->cfg_enable_hba_reset) | |
730 | return; | |
dea3101e | 731 | |
97eab634 | 732 | if (phba->work_hs & HS_FFER6) { |
dea3101e JB |
733 | /* Re-establishing Link */ |
734 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 735 | "1301 Re-establishing Link " |
dea3101e | 736 | "Data: x%x x%x x%x\n", |
e8b62011 | 737 | phba->work_hs, |
dea3101e | 738 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 739 | |
92d7f7b0 | 740 | spin_lock_irq(&phba->hbalock); |
9290831f | 741 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 742 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
743 | |
744 | /* | |
745 | * Firmware stops when it triggled erratt with HS_FFER6. | |
746 | * That could cause the I/Os dropped by the firmware. | |
747 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
748 | * retry it after re-establishing link. | |
749 | */ | |
750 | pring = &psli->ring[psli->fcp_ring]; | |
751 | lpfc_sli_abort_iocb_ring(phba, pring); | |
752 | ||
dea3101e JB |
753 | /* |
754 | * There was a firmware error. Take the hba offline and then | |
755 | * attempt to restart it. | |
756 | */ | |
46fa311e | 757 | lpfc_offline_prep(phba); |
dea3101e | 758 | lpfc_offline(phba); |
41415862 | 759 | lpfc_sli_brdrestart(phba); |
dea3101e | 760 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 761 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
762 | return; |
763 | } | |
46fa311e | 764 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
765 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
766 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
767 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
768 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
769 | temp_event_data.data = (uint32_t)temperature; | |
770 | ||
771 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
772 | "0459 Adapter maximum temperature exceeded " | |
773 | "(%ld), taking this port offline " | |
774 | "Data: x%x x%x x%x\n", | |
775 | temperature, phba->work_hs, | |
776 | phba->work_status[0], phba->work_status[1]); | |
777 | ||
778 | shost = lpfc_shost_from_vport(phba->pport); | |
779 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
780 | sizeof(temp_event_data), | |
781 | (char *) &temp_event_data, | |
782 | SCSI_NL_VID_TYPE_PCI | |
783 | | PCI_VENDOR_ID_EMULEX); | |
784 | ||
7af67051 | 785 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
786 | phba->over_temp_state = HBA_OVER_TEMP; |
787 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 788 | lpfc_offline_eratt(phba); |
57127f15 | 789 | |
dea3101e JB |
790 | } else { |
791 | /* The if clause above forces this code path when the status | |
792 | * failure is a value other than FFER6. Do not call the offline | |
793 | * twice. This is the adapter hardware error path. | |
794 | */ | |
795 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 796 | "0457 Adapter Hardware Error " |
dea3101e | 797 | "Data: x%x x%x x%x\n", |
e8b62011 | 798 | phba->work_hs, |
dea3101e JB |
799 | phba->work_status[0], phba->work_status[1]); |
800 | ||
d2873e4c | 801 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 802 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 803 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
804 | sizeof(event_data), (char *) &event_data, |
805 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
806 | ||
09372820 | 807 | lpfc_offline_eratt(phba); |
dea3101e JB |
808 | } |
809 | } | |
810 | ||
811 | /************************************************************************/ | |
812 | /* */ | |
813 | /* lpfc_handle_latt */ | |
814 | /* This routine will handle processing a Host Attention */ | |
815 | /* Link Status event. This will be initialized */ | |
816 | /* as a SLI layer callback routine. */ | |
817 | /* */ | |
818 | /************************************************************************/ | |
819 | void | |
2e0fef85 | 820 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 821 | { |
2e0fef85 JS |
822 | struct lpfc_vport *vport = phba->pport; |
823 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
824 | LPFC_MBOXQ_t *pmb; |
825 | volatile uint32_t control; | |
826 | struct lpfc_dmabuf *mp; | |
09372820 | 827 | int rc = 0; |
dea3101e JB |
828 | |
829 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
830 | if (!pmb) { |
831 | rc = 1; | |
dea3101e | 832 | goto lpfc_handle_latt_err_exit; |
09372820 | 833 | } |
dea3101e JB |
834 | |
835 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
836 | if (!mp) { |
837 | rc = 2; | |
dea3101e | 838 | goto lpfc_handle_latt_free_pmb; |
09372820 | 839 | } |
dea3101e JB |
840 | |
841 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
842 | if (!mp->virt) { |
843 | rc = 3; | |
dea3101e | 844 | goto lpfc_handle_latt_free_mp; |
09372820 | 845 | } |
dea3101e | 846 | |
6281bfe0 | 847 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 848 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
849 | |
850 | psli->slistat.link_event++; | |
851 | lpfc_read_la(phba, pmb, mp); | |
852 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 853 | pmb->vport = vport; |
0b727fea | 854 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
855 | if (rc == MBX_NOT_FINISHED) { |
856 | rc = 4; | |
14691150 | 857 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 858 | } |
dea3101e JB |
859 | |
860 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 861 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
862 | writel(HA_LATT, phba->HAregaddr); |
863 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 864 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
865 | |
866 | return; | |
867 | ||
14691150 JS |
868 | lpfc_handle_latt_free_mbuf: |
869 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
dea3101e JB |
870 | lpfc_handle_latt_free_mp: |
871 | kfree(mp); | |
872 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 873 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
874 | lpfc_handle_latt_err_exit: |
875 | /* Enable Link attention interrupts */ | |
2e0fef85 | 876 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
877 | psli->sli_flag |= LPFC_PROCESS_LA; |
878 | control = readl(phba->HCregaddr); | |
879 | control |= HC_LAINT_ENA; | |
880 | writel(control, phba->HCregaddr); | |
881 | readl(phba->HCregaddr); /* flush */ | |
882 | ||
883 | /* Clear Link Attention in HA REG */ | |
884 | writel(HA_LATT, phba->HAregaddr); | |
885 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 886 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 887 | lpfc_linkdown(phba); |
2e0fef85 | 888 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 889 | |
09372820 JS |
890 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
891 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
892 | |
893 | return; | |
894 | } | |
895 | ||
896 | /************************************************************************/ | |
897 | /* */ | |
898 | /* lpfc_parse_vpd */ | |
899 | /* This routine will parse the VPD data */ | |
900 | /* */ | |
901 | /************************************************************************/ | |
902 | static int | |
2e0fef85 | 903 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
904 | { |
905 | uint8_t lenlo, lenhi; | |
07da60c1 | 906 | int Length; |
dea3101e JB |
907 | int i, j; |
908 | int finished = 0; | |
909 | int index = 0; | |
910 | ||
911 | if (!vpd) | |
912 | return 0; | |
913 | ||
914 | /* Vital Product */ | |
ed957684 | 915 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 916 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
917 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
918 | (uint32_t) vpd[3]); | |
74b72a59 | 919 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
920 | switch (vpd[index]) { |
921 | case 0x82: | |
74b72a59 | 922 | case 0x91: |
dea3101e JB |
923 | index += 1; |
924 | lenlo = vpd[index]; | |
925 | index += 1; | |
926 | lenhi = vpd[index]; | |
927 | index += 1; | |
928 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
929 | index += i; | |
930 | break; | |
931 | case 0x90: | |
932 | index += 1; | |
933 | lenlo = vpd[index]; | |
934 | index += 1; | |
935 | lenhi = vpd[index]; | |
936 | index += 1; | |
937 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
938 | if (Length > len - index) |
939 | Length = len - index; | |
dea3101e JB |
940 | while (Length > 0) { |
941 | /* Look for Serial Number */ | |
942 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
943 | index += 2; | |
944 | i = vpd[index]; | |
945 | index += 1; | |
946 | j = 0; | |
947 | Length -= (3+i); | |
948 | while(i--) { | |
949 | phba->SerialNumber[j++] = vpd[index++]; | |
950 | if (j == 31) | |
951 | break; | |
952 | } | |
953 | phba->SerialNumber[j] = 0; | |
954 | continue; | |
955 | } | |
956 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
957 | phba->vpd_flag |= VPD_MODEL_DESC; | |
958 | index += 2; | |
959 | i = vpd[index]; | |
960 | index += 1; | |
961 | j = 0; | |
962 | Length -= (3+i); | |
963 | while(i--) { | |
964 | phba->ModelDesc[j++] = vpd[index++]; | |
965 | if (j == 255) | |
966 | break; | |
967 | } | |
968 | phba->ModelDesc[j] = 0; | |
969 | continue; | |
970 | } | |
971 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
972 | phba->vpd_flag |= VPD_MODEL_NAME; | |
973 | index += 2; | |
974 | i = vpd[index]; | |
975 | index += 1; | |
976 | j = 0; | |
977 | Length -= (3+i); | |
978 | while(i--) { | |
979 | phba->ModelName[j++] = vpd[index++]; | |
980 | if (j == 79) | |
981 | break; | |
982 | } | |
983 | phba->ModelName[j] = 0; | |
984 | continue; | |
985 | } | |
986 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
987 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
988 | index += 2; | |
989 | i = vpd[index]; | |
990 | index += 1; | |
991 | j = 0; | |
992 | Length -= (3+i); | |
993 | while(i--) { | |
994 | phba->ProgramType[j++] = vpd[index++]; | |
995 | if (j == 255) | |
996 | break; | |
997 | } | |
998 | phba->ProgramType[j] = 0; | |
999 | continue; | |
1000 | } | |
1001 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1002 | phba->vpd_flag |= VPD_PORT; | |
1003 | index += 2; | |
1004 | i = vpd[index]; | |
1005 | index += 1; | |
1006 | j = 0; | |
1007 | Length -= (3+i); | |
1008 | while(i--) { | |
1009 | phba->Port[j++] = vpd[index++]; | |
1010 | if (j == 19) | |
1011 | break; | |
1012 | } | |
1013 | phba->Port[j] = 0; | |
1014 | continue; | |
1015 | } | |
1016 | else { | |
1017 | index += 2; | |
1018 | i = vpd[index]; | |
1019 | index += 1; | |
1020 | index += i; | |
1021 | Length -= (3 + i); | |
1022 | } | |
1023 | } | |
1024 | finished = 0; | |
1025 | break; | |
1026 | case 0x78: | |
1027 | finished = 1; | |
1028 | break; | |
1029 | default: | |
1030 | index ++; | |
1031 | break; | |
1032 | } | |
74b72a59 | 1033 | } |
dea3101e JB |
1034 | |
1035 | return(1); | |
1036 | } | |
1037 | ||
1038 | static void | |
2e0fef85 | 1039 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
1040 | { |
1041 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1042 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1043 | int max_speed; |
74b72a59 JW |
1044 | struct { |
1045 | char * name; | |
1046 | int max_speed; | |
74b72a59 | 1047 | char * bus; |
18a3b596 | 1048 | } m = {"<Unknown>", 0, ""}; |
74b72a59 JW |
1049 | |
1050 | if (mdp && mdp[0] != '\0' | |
1051 | && descp && descp[0] != '\0') | |
1052 | return; | |
1053 | ||
1054 | if (phba->lmt & LMT_10Gb) | |
1055 | max_speed = 10; | |
1056 | else if (phba->lmt & LMT_8Gb) | |
1057 | max_speed = 8; | |
1058 | else if (phba->lmt & LMT_4Gb) | |
1059 | max_speed = 4; | |
1060 | else if (phba->lmt & LMT_2Gb) | |
1061 | max_speed = 2; | |
1062 | else | |
1063 | max_speed = 1; | |
dea3101e JB |
1064 | |
1065 | vp = &phba->vpd; | |
dea3101e | 1066 | |
e4adb204 | 1067 | switch (dev_id) { |
06325e74 | 1068 | case PCI_DEVICE_ID_FIREFLY: |
18a3b596 | 1069 | m = (typeof(m)){"LP6000", max_speed, "PCI"}; |
06325e74 | 1070 | break; |
dea3101e JB |
1071 | case PCI_DEVICE_ID_SUPERFLY: |
1072 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
18a3b596 | 1073 | m = (typeof(m)){"LP7000", max_speed, "PCI"}; |
dea3101e | 1074 | else |
18a3b596 | 1075 | m = (typeof(m)){"LP7000E", max_speed, "PCI"}; |
dea3101e JB |
1076 | break; |
1077 | case PCI_DEVICE_ID_DRAGONFLY: | |
18a3b596 | 1078 | m = (typeof(m)){"LP8000", max_speed, "PCI"}; |
dea3101e JB |
1079 | break; |
1080 | case PCI_DEVICE_ID_CENTAUR: | |
1081 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
18a3b596 | 1082 | m = (typeof(m)){"LP9002", max_speed, "PCI"}; |
dea3101e | 1083 | else |
18a3b596 | 1084 | m = (typeof(m)){"LP9000", max_speed, "PCI"}; |
dea3101e JB |
1085 | break; |
1086 | case PCI_DEVICE_ID_RFLY: | |
18a3b596 | 1087 | m = (typeof(m)){"LP952", max_speed, "PCI"}; |
dea3101e JB |
1088 | break; |
1089 | case PCI_DEVICE_ID_PEGASUS: | |
18a3b596 | 1090 | m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; |
dea3101e JB |
1091 | break; |
1092 | case PCI_DEVICE_ID_THOR: | |
18a3b596 | 1093 | m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; |
dea3101e JB |
1094 | break; |
1095 | case PCI_DEVICE_ID_VIPER: | |
18a3b596 | 1096 | m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; |
dea3101e JB |
1097 | break; |
1098 | case PCI_DEVICE_ID_PFLY: | |
18a3b596 | 1099 | m = (typeof(m)){"LP982", max_speed, "PCI-X"}; |
dea3101e JB |
1100 | break; |
1101 | case PCI_DEVICE_ID_TFLY: | |
18a3b596 | 1102 | m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; |
dea3101e JB |
1103 | break; |
1104 | case PCI_DEVICE_ID_HELIOS: | |
18a3b596 | 1105 | m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; |
dea3101e | 1106 | break; |
e4adb204 | 1107 | case PCI_DEVICE_ID_HELIOS_SCSP: |
18a3b596 | 1108 | m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1109 | break; |
1110 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
18a3b596 | 1111 | m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1112 | break; |
1113 | case PCI_DEVICE_ID_NEPTUNE: | |
18a3b596 | 1114 | m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1115 | break; |
1116 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
18a3b596 | 1117 | m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; |
e4adb204 JSEC |
1118 | break; |
1119 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
18a3b596 | 1120 | m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; |
e4adb204 | 1121 | break; |
dea3101e | 1122 | case PCI_DEVICE_ID_BMID: |
18a3b596 | 1123 | m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; |
dea3101e JB |
1124 | break; |
1125 | case PCI_DEVICE_ID_BSMB: | |
18a3b596 | 1126 | m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; |
dea3101e JB |
1127 | break; |
1128 | case PCI_DEVICE_ID_ZEPHYR: | |
18a3b596 | 1129 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
dea3101e | 1130 | break; |
e4adb204 | 1131 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
18a3b596 | 1132 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1133 | break; |
1134 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
18a3b596 | 1135 | m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; |
e4adb204 | 1136 | break; |
dea3101e | 1137 | case PCI_DEVICE_ID_ZMID: |
18a3b596 | 1138 | m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; |
dea3101e JB |
1139 | break; |
1140 | case PCI_DEVICE_ID_ZSMB: | |
18a3b596 | 1141 | m = (typeof(m)){"LPe111", max_speed, "PCIe"}; |
dea3101e JB |
1142 | break; |
1143 | case PCI_DEVICE_ID_LP101: | |
18a3b596 | 1144 | m = (typeof(m)){"LP101", max_speed, "PCI-X"}; |
dea3101e JB |
1145 | break; |
1146 | case PCI_DEVICE_ID_LP10000S: | |
18a3b596 | 1147 | m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; |
06325e74 | 1148 | break; |
e4adb204 | 1149 | case PCI_DEVICE_ID_LP11000S: |
18a3b596 JS |
1150 | m = (typeof(m)){"LP11000-S", max_speed, |
1151 | "PCI-X2"}; | |
1152 | break; | |
e4adb204 | 1153 | case PCI_DEVICE_ID_LPE11000S: |
18a3b596 JS |
1154 | m = (typeof(m)){"LPe11000-S", max_speed, |
1155 | "PCIe"}; | |
5cc36b3c | 1156 | break; |
b87eab38 JS |
1157 | case PCI_DEVICE_ID_SAT: |
1158 | m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; | |
1159 | break; | |
1160 | case PCI_DEVICE_ID_SAT_MID: | |
1161 | m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; | |
1162 | break; | |
1163 | case PCI_DEVICE_ID_SAT_SMB: | |
1164 | m = (typeof(m)){"LPe121", max_speed, "PCIe"}; | |
1165 | break; | |
1166 | case PCI_DEVICE_ID_SAT_DCSP: | |
1167 | m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; | |
1168 | break; | |
1169 | case PCI_DEVICE_ID_SAT_SCSP: | |
1170 | m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; | |
1171 | break; | |
1172 | case PCI_DEVICE_ID_SAT_S: | |
1173 | m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; | |
1174 | break; | |
5cc36b3c | 1175 | default: |
041976fb | 1176 | m = (typeof(m)){ NULL }; |
e4adb204 | 1177 | break; |
dea3101e | 1178 | } |
74b72a59 JW |
1179 | |
1180 | if (mdp && mdp[0] == '\0') | |
1181 | snprintf(mdp, 79,"%s", m.name); | |
1182 | if (descp && descp[0] == '\0') | |
1183 | snprintf(descp, 255, | |
18a3b596 JS |
1184 | "Emulex %s %dGb %s Fibre Channel Adapter", |
1185 | m.name, m.max_speed, m.bus); | |
dea3101e JB |
1186 | } |
1187 | ||
1188 | /**************************************************/ | |
1189 | /* lpfc_post_buffer */ | |
1190 | /* */ | |
1191 | /* This routine will post count buffers to the */ | |
1192 | /* ring with the QUE_RING_BUF_CN command. This */ | |
1193 | /* allows 3 buffers / command to be posted. */ | |
1194 | /* Returns the number of buffers NOT posted. */ | |
1195 | /**************************************************/ | |
1196 | int | |
2e0fef85 | 1197 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, |
dea3101e JB |
1198 | int type) |
1199 | { | |
1200 | IOCB_t *icmd; | |
0bd4ca25 | 1201 | struct lpfc_iocbq *iocb; |
dea3101e JB |
1202 | struct lpfc_dmabuf *mp1, *mp2; |
1203 | ||
1204 | cnt += pring->missbufcnt; | |
1205 | ||
1206 | /* While there are buffers to post */ | |
1207 | while (cnt > 0) { | |
1208 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1209 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
1210 | if (iocb == NULL) { |
1211 | pring->missbufcnt = cnt; | |
1212 | return cnt; | |
1213 | } | |
dea3101e JB |
1214 | icmd = &iocb->iocb; |
1215 | ||
1216 | /* 2 buffers can be posted per command */ | |
1217 | /* Allocate buffer to post */ | |
1218 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1219 | if (mp1) | |
98c9ea5c JS |
1220 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1221 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1222 | kfree(mp1); |
604a3e30 | 1223 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1224 | pring->missbufcnt = cnt; |
1225 | return cnt; | |
1226 | } | |
1227 | ||
1228 | INIT_LIST_HEAD(&mp1->list); | |
1229 | /* Allocate buffer to post */ | |
1230 | if (cnt > 1) { | |
1231 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1232 | if (mp2) | |
1233 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1234 | &mp2->phys); | |
98c9ea5c | 1235 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1236 | kfree(mp2); |
dea3101e JB |
1237 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1238 | kfree(mp1); | |
604a3e30 | 1239 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
1240 | pring->missbufcnt = cnt; |
1241 | return cnt; | |
1242 | } | |
1243 | ||
1244 | INIT_LIST_HEAD(&mp2->list); | |
1245 | } else { | |
1246 | mp2 = NULL; | |
1247 | } | |
1248 | ||
1249 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1250 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1251 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1252 | icmd->ulpBdeCount = 1; | |
1253 | cnt--; | |
1254 | if (mp2) { | |
1255 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1256 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1257 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1258 | cnt--; | |
1259 | icmd->ulpBdeCount = 2; | |
1260 | } | |
1261 | ||
1262 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1263 | icmd->ulpLe = 1; | |
1264 | ||
dea3101e JB |
1265 | if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { |
1266 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
1267 | kfree(mp1); | |
1268 | cnt++; | |
1269 | if (mp2) { | |
1270 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1271 | kfree(mp2); | |
1272 | cnt++; | |
1273 | } | |
604a3e30 | 1274 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1275 | pring->missbufcnt = cnt; |
dea3101e JB |
1276 | return cnt; |
1277 | } | |
dea3101e | 1278 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1279 | if (mp2) |
dea3101e | 1280 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
1281 | } |
1282 | pring->missbufcnt = 0; | |
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | /************************************************************************/ | |
1287 | /* */ | |
1288 | /* lpfc_post_rcv_buf */ | |
1289 | /* This routine post initial rcv buffers to the configured rings */ | |
1290 | /* */ | |
1291 | /************************************************************************/ | |
1292 | static int | |
2e0fef85 | 1293 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
1294 | { |
1295 | struct lpfc_sli *psli = &phba->sli; | |
1296 | ||
1297 | /* Ring 0, ELS / CT buffers */ | |
1298 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); | |
1299 | /* Ring 2 - FCP no buffers needed */ | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1305 | ||
1306 | /************************************************************************/ | |
1307 | /* */ | |
1308 | /* lpfc_sha_init */ | |
1309 | /* */ | |
1310 | /************************************************************************/ | |
1311 | static void | |
1312 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1313 | { | |
1314 | HashResultPointer[0] = 0x67452301; | |
1315 | HashResultPointer[1] = 0xEFCDAB89; | |
1316 | HashResultPointer[2] = 0x98BADCFE; | |
1317 | HashResultPointer[3] = 0x10325476; | |
1318 | HashResultPointer[4] = 0xC3D2E1F0; | |
1319 | } | |
1320 | ||
1321 | /************************************************************************/ | |
1322 | /* */ | |
1323 | /* lpfc_sha_iterate */ | |
1324 | /* */ | |
1325 | /************************************************************************/ | |
1326 | static void | |
1327 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1328 | { | |
1329 | int t; | |
1330 | uint32_t TEMP; | |
1331 | uint32_t A, B, C, D, E; | |
1332 | t = 16; | |
1333 | do { | |
1334 | HashWorkingPointer[t] = | |
1335 | S(1, | |
1336 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1337 | 8] ^ | |
1338 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1339 | } while (++t <= 79); | |
1340 | t = 0; | |
1341 | A = HashResultPointer[0]; | |
1342 | B = HashResultPointer[1]; | |
1343 | C = HashResultPointer[2]; | |
1344 | D = HashResultPointer[3]; | |
1345 | E = HashResultPointer[4]; | |
1346 | ||
1347 | do { | |
1348 | if (t < 20) { | |
1349 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1350 | } else if (t < 40) { | |
1351 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1352 | } else if (t < 60) { | |
1353 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1354 | } else { | |
1355 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1356 | } | |
1357 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1358 | E = D; | |
1359 | D = C; | |
1360 | C = S(30, B); | |
1361 | B = A; | |
1362 | A = TEMP; | |
1363 | } while (++t <= 79); | |
1364 | ||
1365 | HashResultPointer[0] += A; | |
1366 | HashResultPointer[1] += B; | |
1367 | HashResultPointer[2] += C; | |
1368 | HashResultPointer[3] += D; | |
1369 | HashResultPointer[4] += E; | |
1370 | ||
1371 | } | |
1372 | ||
1373 | /************************************************************************/ | |
1374 | /* */ | |
1375 | /* lpfc_challenge_key */ | |
1376 | /* */ | |
1377 | /************************************************************************/ | |
1378 | static void | |
1379 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1380 | { | |
1381 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1382 | } | |
1383 | ||
1384 | /************************************************************************/ | |
1385 | /* */ | |
1386 | /* lpfc_hba_init */ | |
1387 | /* */ | |
1388 | /************************************************************************/ | |
1389 | void | |
1390 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1391 | { | |
1392 | int t; | |
1393 | uint32_t *HashWorking; | |
2e0fef85 | 1394 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1395 | |
bbfbbbc1 | 1396 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
1397 | if (!HashWorking) |
1398 | return; | |
1399 | ||
dea3101e JB |
1400 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1401 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1402 | ||
1403 | for (t = 0; t < 7; t++) | |
1404 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1405 | ||
1406 | lpfc_sha_init(hbainit); | |
1407 | lpfc_sha_iterate(hbainit, HashWorking); | |
1408 | kfree(HashWorking); | |
1409 | } | |
1410 | ||
87af33fe | 1411 | void |
2e0fef85 | 1412 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1413 | { |
87af33fe | 1414 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1415 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1416 | int i = 0; |
dea3101e | 1417 | |
87af33fe JS |
1418 | if (phba->link_state > LPFC_LINK_DOWN) |
1419 | lpfc_port_link_failure(vport); | |
1420 | ||
1421 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1422 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1423 | ndlp = lpfc_enable_node(vport, ndlp, | |
1424 | NLP_STE_UNUSED_NODE); | |
1425 | if (!ndlp) | |
1426 | continue; | |
1427 | spin_lock_irq(&phba->ndlp_lock); | |
1428 | NLP_SET_FREE_REQ(ndlp); | |
1429 | spin_unlock_irq(&phba->ndlp_lock); | |
1430 | /* Trigger the release of the ndlp memory */ | |
1431 | lpfc_nlp_put(ndlp); | |
1432 | continue; | |
1433 | } | |
1434 | spin_lock_irq(&phba->ndlp_lock); | |
1435 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
1436 | /* The ndlp should not be in memory free mode already */ | |
1437 | spin_unlock_irq(&phba->ndlp_lock); | |
1438 | continue; | |
1439 | } else | |
1440 | /* Indicate request for freeing ndlp memory */ | |
1441 | NLP_SET_FREE_REQ(ndlp); | |
1442 | spin_unlock_irq(&phba->ndlp_lock); | |
1443 | ||
58da1ffb JS |
1444 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
1445 | ndlp->nlp_DID == Fabric_DID) { | |
1446 | /* Just free up ndlp with Fabric_DID for vports */ | |
1447 | lpfc_nlp_put(ndlp); | |
1448 | continue; | |
1449 | } | |
1450 | ||
87af33fe JS |
1451 | if (ndlp->nlp_type & NLP_FABRIC) |
1452 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
1453 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 1454 | |
87af33fe JS |
1455 | lpfc_disc_state_machine(vport, ndlp, NULL, |
1456 | NLP_EVT_DEVICE_RM); | |
1457 | } | |
1458 | ||
a8adb832 JS |
1459 | /* At this point, ALL ndlp's should be gone |
1460 | * because of the previous NLP_EVT_DEVICE_RM. | |
1461 | * Lets wait for this to happen, if needed. | |
1462 | */ | |
87af33fe JS |
1463 | while (!list_empty(&vport->fc_nodes)) { |
1464 | ||
a8adb832 | 1465 | if (i++ > 3000) { |
87af33fe | 1466 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 1467 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
1468 | list_for_each_entry_safe(ndlp, next_ndlp, |
1469 | &vport->fc_nodes, nlp_listp) { | |
1470 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
1471 | LOG_NODE, | |
1472 | "0282: did:x%x ndlp:x%p " | |
1473 | "usgmap:x%x refcnt:%d\n", | |
1474 | ndlp->nlp_DID, (void *)ndlp, | |
1475 | ndlp->nlp_usg_map, | |
1476 | atomic_read( | |
1477 | &ndlp->kref.refcount)); | |
1478 | } | |
a8adb832 | 1479 | break; |
87af33fe | 1480 | } |
a8adb832 JS |
1481 | |
1482 | /* Wait for any activity on ndlps to settle */ | |
1483 | msleep(10); | |
87af33fe | 1484 | } |
dea3101e JB |
1485 | return; |
1486 | } | |
1487 | ||
92d7f7b0 JS |
1488 | void |
1489 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 1490 | { |
92d7f7b0 JS |
1491 | del_timer_sync(&vport->els_tmofunc); |
1492 | del_timer_sync(&vport->fc_fdmitmo); | |
1493 | lpfc_can_disctmo(vport); | |
1494 | return; | |
dea3101e JB |
1495 | } |
1496 | ||
2e0fef85 | 1497 | static void |
92d7f7b0 | 1498 | lpfc_stop_phba_timers(struct lpfc_hba *phba) |
dea3101e | 1499 | { |
875fbdfe | 1500 | del_timer_sync(&phba->fcp_poll_timer); |
51ef4c26 | 1501 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 1502 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 1503 | del_timer_sync(&phba->fabric_block_timer); |
858c9f6c JS |
1504 | phba->hb_outstanding = 0; |
1505 | del_timer_sync(&phba->hb_tmofunc); | |
2e0fef85 | 1506 | return; |
dea3101e JB |
1507 | } |
1508 | ||
a6ababd2 AB |
1509 | static void |
1510 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
1511 | { | |
1512 | unsigned long iflag; | |
1513 | ||
1514 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1515 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
1516 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1517 | } | |
1518 | ||
dea3101e | 1519 | int |
2e0fef85 | 1520 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 1521 | { |
2e0fef85 | 1522 | struct lpfc_vport *vport = phba->pport; |
549e55cd JS |
1523 | struct lpfc_vport **vports; |
1524 | int i; | |
2e0fef85 | 1525 | |
dea3101e JB |
1526 | if (!phba) |
1527 | return 0; | |
1528 | ||
2e0fef85 | 1529 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
1530 | return 0; |
1531 | ||
ed957684 | 1532 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1533 | "0458 Bring Adapter online\n"); |
dea3101e | 1534 | |
46fa311e JS |
1535 | lpfc_block_mgmt_io(phba); |
1536 | ||
1537 | if (!lpfc_sli_queue_setup(phba)) { | |
1538 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1539 | return 1; |
46fa311e | 1540 | } |
dea3101e | 1541 | |
46fa311e JS |
1542 | if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ |
1543 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1544 | return 1; |
46fa311e | 1545 | } |
dea3101e | 1546 | |
549e55cd JS |
1547 | vports = lpfc_create_vport_work_array(phba); |
1548 | if (vports != NULL) | |
09372820 | 1549 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd JS |
1550 | struct Scsi_Host *shost; |
1551 | shost = lpfc_shost_from_vport(vports[i]); | |
1552 | spin_lock_irq(shost->host_lock); | |
1553 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
1554 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
1555 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1556 | spin_unlock_irq(shost->host_lock); | |
1557 | } | |
09372820 | 1558 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1559 | |
46fa311e | 1560 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1561 | return 0; |
1562 | } | |
1563 | ||
46fa311e JS |
1564 | void |
1565 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
1566 | { | |
1567 | unsigned long iflag; | |
1568 | ||
2e0fef85 JS |
1569 | spin_lock_irqsave(&phba->hbalock, iflag); |
1570 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
1571 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
1572 | } |
1573 | ||
1574 | void | |
1575 | lpfc_offline_prep(struct lpfc_hba * phba) | |
1576 | { | |
2e0fef85 | 1577 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 1578 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
1579 | struct lpfc_vport **vports; |
1580 | int i; | |
dea3101e | 1581 | |
2e0fef85 | 1582 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1583 | return; |
dea3101e | 1584 | |
46fa311e | 1585 | lpfc_block_mgmt_io(phba); |
dea3101e JB |
1586 | |
1587 | lpfc_linkdown(phba); | |
1588 | ||
87af33fe JS |
1589 | /* Issue an unreg_login to all nodes on all vports */ |
1590 | vports = lpfc_create_vport_work_array(phba); | |
1591 | if (vports != NULL) { | |
09372820 | 1592 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
87af33fe JS |
1593 | struct Scsi_Host *shost; |
1594 | ||
a8adb832 JS |
1595 | if (vports[i]->load_flag & FC_UNLOADING) |
1596 | continue; | |
87af33fe JS |
1597 | shost = lpfc_shost_from_vport(vports[i]); |
1598 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1599 | &vports[i]->fc_nodes, | |
1600 | nlp_listp) { | |
e47c9093 JS |
1601 | if (!NLP_CHK_NODE_ACT(ndlp)) |
1602 | continue; | |
87af33fe JS |
1603 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
1604 | continue; | |
1605 | if (ndlp->nlp_type & NLP_FABRIC) { | |
1606 | lpfc_disc_state_machine(vports[i], ndlp, | |
1607 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
1608 | lpfc_disc_state_machine(vports[i], ndlp, | |
1609 | NULL, NLP_EVT_DEVICE_RM); | |
1610 | } | |
1611 | spin_lock_irq(shost->host_lock); | |
1612 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1613 | spin_unlock_irq(shost->host_lock); | |
1614 | lpfc_unreg_rpi(vports[i], ndlp); | |
1615 | } | |
1616 | } | |
1617 | } | |
09372820 | 1618 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1619 | |
46fa311e JS |
1620 | lpfc_sli_flush_mbox_queue(phba); |
1621 | } | |
1622 | ||
1623 | void | |
2e0fef85 | 1624 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 1625 | { |
549e55cd JS |
1626 | struct Scsi_Host *shost; |
1627 | struct lpfc_vport **vports; | |
1628 | int i; | |
46fa311e | 1629 | |
549e55cd | 1630 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1631 | return; |
688a8863 | 1632 | |
dea3101e | 1633 | /* stop all timers associated with this hba */ |
92d7f7b0 | 1634 | lpfc_stop_phba_timers(phba); |
51ef4c26 JS |
1635 | vports = lpfc_create_vport_work_array(phba); |
1636 | if (vports != NULL) | |
09372820 | 1637 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) |
51ef4c26 | 1638 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 1639 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 1640 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1641 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
1642 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
1643 | now. */ | |
1644 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 1645 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1646 | phba->work_ha = 0; |
92d7f7b0 | 1647 | spin_unlock_irq(&phba->hbalock); |
549e55cd 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++) { |
549e55cd | 1651 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
1652 | spin_lock_irq(shost->host_lock); |
1653 | vports[i]->work_port_events = 0; | |
1654 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
1655 | spin_unlock_irq(shost->host_lock); | |
1656 | } | |
09372820 | 1657 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
1658 | } |
1659 | ||
1660 | /****************************************************************************** | |
1661 | * Function name: lpfc_scsi_free | |
1662 | * | |
1663 | * Description: Called from lpfc_pci_remove_one free internal driver resources | |
1664 | * | |
1665 | ******************************************************************************/ | |
1666 | static int | |
2e0fef85 | 1667 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
1668 | { |
1669 | struct lpfc_scsi_buf *sb, *sb_next; | |
1670 | struct lpfc_iocbq *io, *io_next; | |
1671 | ||
2e0fef85 | 1672 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1673 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1674 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
1675 | list_del(&sb->list); | |
1676 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 1677 | sb->dma_handle); |
dea3101e JB |
1678 | kfree(sb); |
1679 | phba->total_scsi_bufs--; | |
1680 | } | |
1681 | ||
1682 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
1683 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
1684 | list_del(&io->list); | |
1685 | kfree(io); | |
1686 | phba->total_iocbq_bufs--; | |
1687 | } | |
1688 | ||
2e0fef85 | 1689 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1690 | |
1691 | return 0; | |
1692 | } | |
1693 | ||
2e0fef85 | 1694 | struct lpfc_vport * |
3de2a653 | 1695 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 1696 | { |
2e0fef85 JS |
1697 | struct lpfc_vport *vport; |
1698 | struct Scsi_Host *shost; | |
1699 | int error = 0; | |
47a8617c | 1700 | |
3de2a653 JS |
1701 | if (dev != &phba->pcidev->dev) |
1702 | shost = scsi_host_alloc(&lpfc_vport_template, | |
1703 | sizeof(struct lpfc_vport)); | |
1704 | else | |
1705 | shost = scsi_host_alloc(&lpfc_template, | |
1706 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
1707 | if (!shost) |
1708 | goto out; | |
47a8617c | 1709 | |
2e0fef85 JS |
1710 | vport = (struct lpfc_vport *) shost->hostdata; |
1711 | vport->phba = phba; | |
2e0fef85 | 1712 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 1713 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 1714 | vport->fc_rscn_flush = 0; |
47a8617c | 1715 | |
3de2a653 | 1716 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
1717 | shost->unique_id = instance; |
1718 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 1719 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
1720 | shost->this_id = -1; |
1721 | shost->max_cmd_len = 16; | |
47a8617c | 1722 | /* |
2e0fef85 JS |
1723 | * Set initial can_queue value since 0 is no longer supported and |
1724 | * scsi_add_host will fail. This will be adjusted later based on the | |
1725 | * max xri value determined in hba setup. | |
47a8617c | 1726 | */ |
2e0fef85 | 1727 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 1728 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
1729 | shost->transportt = lpfc_vport_transport_template; |
1730 | vport->port_type = LPFC_NPIV_PORT; | |
1731 | } else { | |
1732 | shost->transportt = lpfc_transport_template; | |
1733 | vport->port_type = LPFC_PHYSICAL_PORT; | |
1734 | } | |
47a8617c | 1735 | |
2e0fef85 JS |
1736 | /* Initialize all internally managed lists. */ |
1737 | INIT_LIST_HEAD(&vport->fc_nodes); | |
1738 | spin_lock_init(&vport->work_port_lock); | |
47a8617c | 1739 | |
2e0fef85 JS |
1740 | init_timer(&vport->fc_disctmo); |
1741 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 1742 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 1743 | |
2e0fef85 JS |
1744 | init_timer(&vport->fc_fdmitmo); |
1745 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 1746 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 1747 | |
2e0fef85 JS |
1748 | init_timer(&vport->els_tmofunc); |
1749 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 1750 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 1751 | |
3de2a653 | 1752 | error = scsi_add_host(shost, dev); |
2e0fef85 JS |
1753 | if (error) |
1754 | goto out_put_shost; | |
47a8617c | 1755 | |
549e55cd | 1756 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 1757 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 1758 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 1759 | return vport; |
47a8617c | 1760 | |
2e0fef85 JS |
1761 | out_put_shost: |
1762 | scsi_host_put(shost); | |
1763 | out: | |
1764 | return NULL; | |
47a8617c JS |
1765 | } |
1766 | ||
2e0fef85 JS |
1767 | void |
1768 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 1769 | { |
92d7f7b0 JS |
1770 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1771 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 1772 | |
92d7f7b0 | 1773 | kfree(vport->vname); |
47a8617c | 1774 | |
858c9f6c | 1775 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
1776 | fc_remove_host(shost); |
1777 | scsi_remove_host(shost); | |
47a8617c | 1778 | |
92d7f7b0 JS |
1779 | spin_lock_irq(&phba->hbalock); |
1780 | list_del_init(&vport->listentry); | |
1781 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 1782 | |
92d7f7b0 | 1783 | lpfc_cleanup(vport); |
47a8617c | 1784 | return; |
47a8617c JS |
1785 | } |
1786 | ||
92d7f7b0 JS |
1787 | int |
1788 | lpfc_get_instance(void) | |
1789 | { | |
1790 | int instance = 0; | |
47a8617c | 1791 | |
92d7f7b0 JS |
1792 | /* Assign an unused number */ |
1793 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
1794 | return -1; | |
1795 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
1796 | return -1; | |
1797 | return instance; | |
47a8617c JS |
1798 | } |
1799 | ||
858c9f6c JS |
1800 | /* |
1801 | * Note: there is no scan_start function as adapter initialization | |
1802 | * will have asynchronously kicked off the link initialization. | |
1803 | */ | |
47a8617c JS |
1804 | |
1805 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1806 | { | |
2e0fef85 JS |
1807 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1808 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 1809 | int stat = 0; |
47a8617c | 1810 | |
858c9f6c JS |
1811 | spin_lock_irq(shost->host_lock); |
1812 | ||
51ef4c26 | 1813 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
1814 | stat = 1; |
1815 | goto finished; | |
1816 | } | |
2e0fef85 JS |
1817 | if (time >= 30 * HZ) { |
1818 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
1819 | "0461 Scanning longer than 30 " |
1820 | "seconds. Continuing initialization\n"); | |
858c9f6c | 1821 | stat = 1; |
47a8617c | 1822 | goto finished; |
2e0fef85 JS |
1823 | } |
1824 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
1825 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
1826 | "0465 Link down longer than 15 " |
1827 | "seconds. Continuing initialization\n"); | |
858c9f6c | 1828 | stat = 1; |
47a8617c | 1829 | goto finished; |
2e0fef85 | 1830 | } |
47a8617c | 1831 | |
2e0fef85 | 1832 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 1833 | goto finished; |
2e0fef85 | 1834 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 1835 | goto finished; |
2e0fef85 | 1836 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 1837 | goto finished; |
2e0fef85 | 1838 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
1839 | goto finished; |
1840 | ||
1841 | stat = 1; | |
47a8617c JS |
1842 | |
1843 | finished: | |
858c9f6c JS |
1844 | spin_unlock_irq(shost->host_lock); |
1845 | return stat; | |
92d7f7b0 | 1846 | } |
47a8617c | 1847 | |
92d7f7b0 JS |
1848 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
1849 | { | |
1850 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1851 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 1852 | /* |
2e0fef85 | 1853 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
1854 | */ |
1855 | ||
2e0fef85 JS |
1856 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
1857 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
1858 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
1859 | ||
1860 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 1861 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
1862 | fc_host_supported_fc4s(shost)[2] = 1; |
1863 | fc_host_supported_fc4s(shost)[7] = 1; | |
1864 | ||
92d7f7b0 JS |
1865 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
1866 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
1867 | |
1868 | fc_host_supported_speeds(shost) = 0; | |
1869 | if (phba->lmt & LMT_10Gb) | |
1870 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
1871 | if (phba->lmt & LMT_8Gb) |
1872 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
1873 | if (phba->lmt & LMT_4Gb) |
1874 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
1875 | if (phba->lmt & LMT_2Gb) | |
1876 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
1877 | if (phba->lmt & LMT_1Gb) | |
1878 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
1879 | ||
1880 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
1881 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
1882 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
1883 | |
1884 | /* This value is also unchanging */ | |
1885 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 1886 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
1887 | fc_host_active_fc4s(shost)[2] = 1; |
1888 | fc_host_active_fc4s(shost)[7] = 1; | |
1889 | ||
92d7f7b0 | 1890 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 1891 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 1892 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 1893 | spin_unlock_irq(shost->host_lock); |
47a8617c | 1894 | } |
dea3101e | 1895 | |
db2378e0 JS |
1896 | static int |
1897 | lpfc_enable_msix(struct lpfc_hba *phba) | |
1898 | { | |
1899 | int error; | |
1900 | ||
1901 | phba->msix_entries[0].entry = 0; | |
1902 | phba->msix_entries[0].vector = 0; | |
1903 | ||
1904 | error = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
1905 | ARRAY_SIZE(phba->msix_entries)); | |
1906 | if (error) { | |
1907 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1908 | "0420 Enable MSI-X failed (%d), continuing " | |
1909 | "with MSI\n", error); | |
1910 | pci_disable_msix(phba->pcidev); | |
1911 | return error; | |
1912 | } | |
1913 | ||
1914 | error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0, | |
1915 | LPFC_DRIVER_NAME, phba); | |
1916 | if (error) { | |
1917 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1918 | "0421 MSI-X request_irq failed (%d), " | |
1919 | "continuing with MSI\n", error); | |
1920 | pci_disable_msix(phba->pcidev); | |
1921 | } | |
1922 | return error; | |
1923 | } | |
1924 | ||
1925 | static void | |
1926 | lpfc_disable_msix(struct lpfc_hba *phba) | |
1927 | { | |
1928 | free_irq(phba->msix_entries[0].vector, phba); | |
1929 | pci_disable_msix(phba->pcidev); | |
1930 | } | |
1931 | ||
dea3101e JB |
1932 | static int __devinit |
1933 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
1934 | { | |
2e0fef85 JS |
1935 | struct lpfc_vport *vport = NULL; |
1936 | struct lpfc_hba *phba; | |
1937 | struct lpfc_sli *psli; | |
dea3101e | 1938 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; |
2e0fef85 | 1939 | struct Scsi_Host *shost = NULL; |
51ef4c26 | 1940 | void *ptr; |
dea3101e | 1941 | unsigned long bar0map_len, bar2map_len; |
98c9ea5c | 1942 | int error = -ENODEV, retval; |
51ef4c26 | 1943 | int i, hbq_count; |
604a3e30 | 1944 | uint16_t iotag; |
8a4df120 | 1945 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
dea3101e | 1946 | |
d5f78fb0 | 1947 | if (pci_enable_device_mem(pdev)) |
dea3101e | 1948 | goto out; |
8a4df120 | 1949 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) |
dea3101e JB |
1950 | goto out_disable_device; |
1951 | ||
2e0fef85 JS |
1952 | phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); |
1953 | if (!phba) | |
dea3101e JB |
1954 | goto out_release_regions; |
1955 | ||
2e0fef85 | 1956 | spin_lock_init(&phba->hbalock); |
dea3101e | 1957 | |
e47c9093 JS |
1958 | /* Initialize ndlp management spinlock */ |
1959 | spin_lock_init(&phba->ndlp_lock); | |
1960 | ||
dea3101e JB |
1961 | phba->pcidev = pdev; |
1962 | ||
1963 | /* Assign an unused board number */ | |
92d7f7b0 | 1964 | if ((phba->brd_no = lpfc_get_instance()) < 0) |
2e0fef85 | 1965 | goto out_free_phba; |
dea3101e | 1966 | |
2e0fef85 | 1967 | INIT_LIST_HEAD(&phba->port_list); |
2e0fef85 JS |
1968 | /* |
1969 | * Get all the module params for configuring this host and then | |
1970 | * establish the host. | |
1971 | */ | |
1972 | lpfc_get_cfgparam(phba); | |
92d7f7b0 | 1973 | phba->max_vpi = LPFC_MAX_VPI; |
dea3101e JB |
1974 | |
1975 | /* Initialize timers used by driver */ | |
858c9f6c JS |
1976 | init_timer(&phba->hb_tmofunc); |
1977 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
1978 | phba->hb_tmofunc.data = (unsigned long)phba; | |
1979 | ||
dea3101e JB |
1980 | psli = &phba->sli; |
1981 | init_timer(&psli->mbox_tmo); | |
1982 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 1983 | psli->mbox_tmo.data = (unsigned long) phba; |
875fbdfe JSEC |
1984 | init_timer(&phba->fcp_poll_timer); |
1985 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 1986 | phba->fcp_poll_timer.data = (unsigned long) phba; |
92d7f7b0 JS |
1987 | init_timer(&phba->fabric_block_timer); |
1988 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
1989 | phba->fabric_block_timer.data = (unsigned long) phba; | |
dea3101e | 1990 | |
dea3101e | 1991 | pci_set_master(pdev); |
694625c0 | 1992 | pci_try_set_mwi(pdev); |
dea3101e JB |
1993 | |
1994 | if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) | |
1995 | if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) | |
1996 | goto out_idr_remove; | |
1997 | ||
1998 | /* | |
1999 | * Get the bus address of Bar0 and Bar2 and the number of bytes | |
2000 | * required by each mapping. | |
2001 | */ | |
2002 | phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); | |
2003 | bar0map_len = pci_resource_len(phba->pcidev, 0); | |
2004 | ||
2005 | phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); | |
2006 | bar2map_len = pci_resource_len(phba->pcidev, 2); | |
2007 | ||
901a920f | 2008 | /* Map HBA SLIM to a kernel virtual address. */ |
dea3101e | 2009 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); |
901a920f JW |
2010 | if (!phba->slim_memmap_p) { |
2011 | error = -ENODEV; | |
2012 | dev_printk(KERN_ERR, &pdev->dev, | |
2013 | "ioremap failed for SLIM memory.\n"); | |
2014 | goto out_idr_remove; | |
2015 | } | |
2016 | ||
2017 | /* Map HBA Control Registers to a kernel virtual address. */ | |
dea3101e | 2018 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); |
901a920f JW |
2019 | if (!phba->ctrl_regs_memmap_p) { |
2020 | error = -ENODEV; | |
2021 | dev_printk(KERN_ERR, &pdev->dev, | |
2022 | "ioremap failed for HBA control registers.\n"); | |
2023 | goto out_iounmap_slim; | |
2024 | } | |
dea3101e JB |
2025 | |
2026 | /* Allocate memory for SLI-2 structures */ | |
2027 | phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, | |
2028 | &phba->slim2p_mapping, GFP_KERNEL); | |
2029 | if (!phba->slim2p) | |
2030 | goto out_iounmap; | |
2031 | ||
f91b392c | 2032 | memset(phba->slim2p, 0, SLI2_SLIM_SIZE); |
dea3101e | 2033 | |
ed957684 JS |
2034 | phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2035 | lpfc_sli_hbq_size(), | |
2036 | &phba->hbqslimp.phys, | |
2037 | GFP_KERNEL); | |
2038 | if (!phba->hbqslimp.virt) | |
2039 | goto out_free_slim; | |
2040 | ||
51ef4c26 JS |
2041 | hbq_count = lpfc_sli_hbq_count(); |
2042 | ptr = phba->hbqslimp.virt; | |
2043 | for (i = 0; i < hbq_count; ++i) { | |
2044 | phba->hbqs[i].hbq_virt = ptr; | |
2045 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
2046 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
2047 | sizeof(struct lpfc_hbq_entry)); | |
2048 | } | |
2049 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
2050 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
2051 | ||
ed957684 JS |
2052 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); |
2053 | ||
3163f725 JS |
2054 | INIT_LIST_HEAD(&phba->hbqbuf_in_list); |
2055 | ||
dea3101e JB |
2056 | /* Initialize the SLI Layer to run with lpfc HBAs. */ |
2057 | lpfc_sli_setup(phba); | |
2058 | lpfc_sli_queue_setup(phba); | |
2059 | ||
98c9ea5c JS |
2060 | retval = lpfc_mem_alloc(phba); |
2061 | if (retval) { | |
2062 | error = retval; | |
ed957684 | 2063 | goto out_free_hbqslimp; |
98c9ea5c | 2064 | } |
dea3101e JB |
2065 | |
2066 | /* Initialize and populate the iocb list per host. */ | |
2067 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
2068 | for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { | |
dd00cc48 | 2069 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
2070 | if (iocbq_entry == NULL) { |
2071 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
2072 | "expected %d count. Unloading driver.\n", | |
2073 | __FUNCTION__, i, LPFC_IOCB_LIST_CNT); | |
2074 | error = -ENOMEM; | |
2075 | goto out_free_iocbq; | |
2076 | } | |
2077 | ||
604a3e30 JB |
2078 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
2079 | if (iotag == 0) { | |
2080 | kfree (iocbq_entry); | |
2081 | printk(KERN_ERR "%s: failed to allocate IOTAG. " | |
2082 | "Unloading driver.\n", | |
2083 | __FUNCTION__); | |
2084 | error = -ENOMEM; | |
2085 | goto out_free_iocbq; | |
2086 | } | |
2e0fef85 JS |
2087 | |
2088 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
2089 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
2090 | phba->total_iocbq_bufs++; | |
2e0fef85 | 2091 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2092 | } |
2093 | ||
2094 | /* Initialize HBA structure */ | |
2095 | phba->fc_edtov = FF_DEF_EDTOV; | |
2096 | phba->fc_ratov = FF_DEF_RATOV; | |
2097 | phba->fc_altov = FF_DEF_ALTOV; | |
2098 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
2099 | ||
2100 | INIT_LIST_HEAD(&phba->work_list); | |
2101 | phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); | |
2102 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
2103 | ||
2104 | /* Startup the kernel thread for this host adapter. */ | |
2105 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
2106 | "lpfc_worker_%d", phba->brd_no); | |
2107 | if (IS_ERR(phba->worker_thread)) { | |
2108 | error = PTR_ERR(phba->worker_thread); | |
2109 | goto out_free_iocbq; | |
2110 | } | |
2111 | ||
dea3101e | 2112 | /* Initialize the list of scsi buffers used by driver for scsi IO. */ |
875fbdfe | 2113 | spin_lock_init(&phba->scsi_buf_list_lock); |
dea3101e JB |
2114 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); |
2115 | ||
92d7f7b0 JS |
2116 | /* Initialize list of fabric iocbs */ |
2117 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
2118 | ||
0ff10d46 JS |
2119 | /* Initialize list to save ELS buffers */ |
2120 | INIT_LIST_HEAD(&phba->elsbuf); | |
2121 | ||
3de2a653 | 2122 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
2e0fef85 JS |
2123 | if (!vport) |
2124 | goto out_kthread_stop; | |
2125 | ||
2126 | shost = lpfc_shost_from_vport(vport); | |
2e0fef85 | 2127 | phba->pport = vport; |
858c9f6c | 2128 | lpfc_debugfs_initialize(vport); |
2e0fef85 | 2129 | |
92d7f7b0 | 2130 | pci_set_drvdata(pdev, shost); |
db2378e0 JS |
2131 | phba->intr_type = NONE; |
2132 | ||
2133 | if (phba->cfg_use_msi == 2) { | |
2134 | error = lpfc_enable_msix(phba); | |
2135 | if (!error) | |
2136 | phba->intr_type = MSIX; | |
2137 | } | |
dea3101e | 2138 | |
db2378e0 JS |
2139 | /* Fallback to MSI if MSI-X initialization failed */ |
2140 | if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { | |
98c9ea5c JS |
2141 | retval = pci_enable_msi(phba->pcidev); |
2142 | if (!retval) | |
db2378e0 | 2143 | phba->intr_type = MSI; |
51ef4c26 | 2144 | else |
e8b62011 JS |
2145 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2146 | "0452 Enable MSI failed, continuing " | |
2147 | "with IRQ\n"); | |
4ff43246 JS |
2148 | } |
2149 | ||
db2378e0 JS |
2150 | /* MSI-X is the only case the doesn't need to call request_irq */ |
2151 | if (phba->intr_type != MSIX) { | |
2152 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2153 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2154 | if (retval) { | |
2155 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable " | |
2156 | "interrupt handler failed\n"); | |
2157 | error = retval; | |
2158 | goto out_disable_msi; | |
2159 | } else if (phba->intr_type != MSI) | |
2160 | phba->intr_type = INTx; | |
dea3101e | 2161 | } |
dea3101e | 2162 | |
2e0fef85 JS |
2163 | phba->MBslimaddr = phba->slim_memmap_p; |
2164 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
2165 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
2166 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
2167 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
2168 | ||
98c9ea5c JS |
2169 | if (lpfc_alloc_sysfs_attr(vport)) { |
2170 | error = -ENOMEM; | |
dea3101e | 2171 | goto out_free_irq; |
98c9ea5c | 2172 | } |
875fbdfe | 2173 | |
98c9ea5c JS |
2174 | if (lpfc_sli_hba_setup(phba)) { |
2175 | error = -ENODEV; | |
858c9f6c | 2176 | goto out_remove_device; |
98c9ea5c | 2177 | } |
858c9f6c JS |
2178 | |
2179 | /* | |
2180 | * hba setup may have changed the hba_queue_depth so we need to adjust | |
2181 | * the value of can_queue. | |
2182 | */ | |
2183 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
2184 | ||
2185 | lpfc_host_attrib_init(shost); | |
2186 | ||
2e0fef85 JS |
2187 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
2188 | spin_lock_irq(shost->host_lock); | |
2189 | lpfc_poll_start_timer(phba); | |
2190 | spin_unlock_irq(shost->host_lock); | |
2191 | } | |
dea3101e | 2192 | |
858c9f6c | 2193 | scsi_scan_host(shost); |
dea3101e | 2194 | |
dea3101e JB |
2195 | return 0; |
2196 | ||
858c9f6c JS |
2197 | out_remove_device: |
2198 | lpfc_free_sysfs_attr(vport); | |
2199 | spin_lock_irq(shost->host_lock); | |
51ef4c26 | 2200 | vport->load_flag |= FC_UNLOADING; |
858c9f6c | 2201 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2202 | out_free_irq: |
92d7f7b0 | 2203 | lpfc_stop_phba_timers(phba); |
2e0fef85 | 2204 | phba->pport->work_port_events = 0; |
db2378e0 JS |
2205 | |
2206 | if (phba->intr_type == MSIX) | |
2207 | lpfc_disable_msix(phba); | |
2208 | else | |
2209 | free_irq(phba->pcidev->irq, phba); | |
2210 | ||
92d7f7b0 | 2211 | out_disable_msi: |
db2378e0 | 2212 | if (phba->intr_type == MSI) |
51ef4c26 | 2213 | pci_disable_msi(phba->pcidev); |
2e0fef85 | 2214 | destroy_port(vport); |
dea3101e JB |
2215 | out_kthread_stop: |
2216 | kthread_stop(phba->worker_thread); | |
2217 | out_free_iocbq: | |
2218 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
2219 | &phba->lpfc_iocb_list, list) { | |
dea3101e JB |
2220 | kfree(iocbq_entry); |
2221 | phba->total_iocbq_bufs--; | |
dea3101e JB |
2222 | } |
2223 | lpfc_mem_free(phba); | |
ed957684 JS |
2224 | out_free_hbqslimp: |
2225 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, | |
2226 | phba->hbqslimp.phys); | |
dea3101e JB |
2227 | out_free_slim: |
2228 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, | |
2229 | phba->slim2p_mapping); | |
2230 | out_iounmap: | |
2231 | iounmap(phba->ctrl_regs_memmap_p); | |
901a920f | 2232 | out_iounmap_slim: |
dea3101e JB |
2233 | iounmap(phba->slim_memmap_p); |
2234 | out_idr_remove: | |
2235 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2e0fef85 JS |
2236 | out_free_phba: |
2237 | kfree(phba); | |
dea3101e | 2238 | out_release_regions: |
8a4df120 | 2239 | pci_release_selected_regions(pdev, bars); |
dea3101e JB |
2240 | out_disable_device: |
2241 | pci_disable_device(pdev); | |
2242 | out: | |
defbcf11 | 2243 | pci_set_drvdata(pdev, NULL); |
858c9f6c JS |
2244 | if (shost) |
2245 | scsi_host_put(shost); | |
dea3101e JB |
2246 | return error; |
2247 | } | |
2248 | ||
2249 | static void __devexit | |
2250 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
2251 | { | |
2e0fef85 JS |
2252 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2253 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2254 | struct lpfc_hba *phba = vport->phba; | |
8a4df120 TK |
2255 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
2256 | ||
549e55cd | 2257 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2258 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 2259 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2260 | |
858c9f6c JS |
2261 | kfree(vport->vname); |
2262 | lpfc_free_sysfs_attr(vport); | |
2263 | ||
09372820 JS |
2264 | kthread_stop(phba->worker_thread); |
2265 | ||
858c9f6c JS |
2266 | fc_remove_host(shost); |
2267 | scsi_remove_host(shost); | |
87af33fe JS |
2268 | lpfc_cleanup(vport); |
2269 | ||
2e0fef85 JS |
2270 | /* |
2271 | * Bring down the SLI Layer. This step disable all interrupts, | |
2272 | * clears the rings, discards all mailbox commands, and resets | |
2273 | * the HBA. | |
2274 | */ | |
2275 | lpfc_sli_hba_down(phba); | |
2276 | lpfc_sli_brdrestart(phba); | |
2277 | ||
92d7f7b0 | 2278 | lpfc_stop_phba_timers(phba); |
858c9f6c JS |
2279 | spin_lock_irq(&phba->hbalock); |
2280 | list_del_init(&vport->listentry); | |
2281 | spin_unlock_irq(&phba->hbalock); | |
2282 | ||
858c9f6c | 2283 | lpfc_debugfs_terminate(vport); |
2e0fef85 | 2284 | |
db2378e0 JS |
2285 | if (phba->intr_type == MSIX) |
2286 | lpfc_disable_msix(phba); | |
2287 | else { | |
2288 | free_irq(phba->pcidev->irq, phba); | |
2289 | if (phba->intr_type == MSI) | |
2290 | pci_disable_msi(phba->pcidev); | |
2291 | } | |
dea3101e JB |
2292 | |
2293 | pci_set_drvdata(pdev, NULL); | |
858c9f6c | 2294 | scsi_host_put(shost); |
2e0fef85 JS |
2295 | |
2296 | /* | |
2297 | * Call scsi_free before mem_free since scsi bufs are released to their | |
2298 | * corresponding pools here. | |
2299 | */ | |
2300 | lpfc_scsi_free(phba); | |
2301 | lpfc_mem_free(phba); | |
2302 | ||
ed957684 JS |
2303 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, |
2304 | phba->hbqslimp.phys); | |
2305 | ||
2e0fef85 JS |
2306 | /* Free resources associated with SLI2 interface */ |
2307 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
2308 | phba->slim2p, phba->slim2p_mapping); | |
2309 | ||
2310 | /* unmap adapter SLIM and Control Registers */ | |
2311 | iounmap(phba->ctrl_regs_memmap_p); | |
2312 | iounmap(phba->slim_memmap_p); | |
2313 | ||
2314 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2315 | ||
2316 | kfree(phba); | |
2317 | ||
8a4df120 | 2318 | pci_release_selected_regions(pdev, bars); |
2e0fef85 | 2319 | pci_disable_device(pdev); |
dea3101e JB |
2320 | } |
2321 | ||
8d63f375 LV |
2322 | /** |
2323 | * lpfc_io_error_detected - called when PCI error is detected | |
2324 | * @pdev: Pointer to PCI device | |
2325 | * @state: The current pci conneection state | |
2326 | * | |
2327 | * This function is called after a PCI bus error affecting | |
2328 | * this device has been detected. | |
2329 | */ | |
2330 | static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, | |
2331 | pci_channel_state_t state) | |
2332 | { | |
51ef4c26 JS |
2333 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2334 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 LV |
2335 | struct lpfc_sli *psli = &phba->sli; |
2336 | struct lpfc_sli_ring *pring; | |
2337 | ||
5daa49ef | 2338 | if (state == pci_channel_io_perm_failure) |
8d63f375 | 2339 | return PCI_ERS_RESULT_DISCONNECT; |
5daa49ef | 2340 | |
8d63f375 LV |
2341 | pci_disable_device(pdev); |
2342 | /* | |
2343 | * There may be I/Os dropped by the firmware. | |
2344 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
2345 | * retry it after re-establishing link. | |
2346 | */ | |
2347 | pring = &psli->ring[psli->fcp_ring]; | |
2348 | lpfc_sli_abort_iocb_ring(phba, pring); | |
2349 | ||
db2378e0 JS |
2350 | if (phba->intr_type == MSIX) |
2351 | lpfc_disable_msix(phba); | |
2352 | else { | |
2353 | free_irq(phba->pcidev->irq, phba); | |
2354 | if (phba->intr_type == MSI) | |
2355 | pci_disable_msi(phba->pcidev); | |
2356 | } | |
51ef4c26 | 2357 | |
8d63f375 LV |
2358 | /* Request a slot reset. */ |
2359 | return PCI_ERS_RESULT_NEED_RESET; | |
2360 | } | |
2361 | ||
2362 | /** | |
2363 | * lpfc_io_slot_reset - called after the pci bus has been reset. | |
2364 | * @pdev: Pointer to PCI device | |
2365 | * | |
2366 | * Restart the card from scratch, as if from a cold-boot. | |
2367 | */ | |
2368 | static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) | |
2369 | { | |
51ef4c26 JS |
2370 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2371 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 2372 | struct lpfc_sli *psli = &phba->sli; |
9b379605 | 2373 | int error, retval; |
8d63f375 LV |
2374 | |
2375 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
09483916 | 2376 | if (pci_enable_device_mem(pdev)) { |
8d63f375 LV |
2377 | printk(KERN_ERR "lpfc: Cannot re-enable " |
2378 | "PCI device after reset.\n"); | |
2379 | return PCI_ERS_RESULT_DISCONNECT; | |
2380 | } | |
2381 | ||
2382 | pci_set_master(pdev); | |
2383 | ||
92d7f7b0 | 2384 | spin_lock_irq(&phba->hbalock); |
8d63f375 | 2385 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 2386 | spin_unlock_irq(&phba->hbalock); |
8d63f375 | 2387 | |
9b379605 JS |
2388 | /* Enable configured interrupt method */ |
2389 | phba->intr_type = NONE; | |
2390 | if (phba->cfg_use_msi == 2) { | |
2391 | error = lpfc_enable_msix(phba); | |
2392 | if (!error) | |
2393 | phba->intr_type = MSIX; | |
2394 | } | |
2395 | ||
2396 | /* Fallback to MSI if MSI-X initialization failed */ | |
2397 | if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { | |
2398 | retval = pci_enable_msi(phba->pcidev); | |
2399 | if (!retval) | |
2400 | phba->intr_type = MSI; | |
2401 | else | |
2402 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2403 | "0470 Enable MSI failed, continuing " | |
2404 | "with IRQ\n"); | |
2405 | } | |
2406 | ||
2407 | /* MSI-X is the only case the doesn't need to call request_irq */ | |
2408 | if (phba->intr_type != MSIX) { | |
2409 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2410 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2411 | if (retval) { | |
2412 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2413 | "0471 Enable interrupt handler " | |
2414 | "failed\n"); | |
2415 | } else if (phba->intr_type != MSI) | |
2416 | phba->intr_type = INTx; | |
2417 | } | |
8d63f375 LV |
2418 | |
2419 | /* Take device offline; this will perform cleanup */ | |
2420 | lpfc_offline(phba); | |
2421 | lpfc_sli_brdrestart(phba); | |
2422 | ||
2423 | return PCI_ERS_RESULT_RECOVERED; | |
2424 | } | |
2425 | ||
2426 | /** | |
2427 | * lpfc_io_resume - called when traffic can start flowing again. | |
2428 | * @pdev: Pointer to PCI device | |
2429 | * | |
2430 | * This callback is called when the error recovery driver tells us that | |
2431 | * its OK to resume normal operation. | |
2432 | */ | |
2433 | static void lpfc_io_resume(struct pci_dev *pdev) | |
2434 | { | |
51ef4c26 JS |
2435 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2436 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 2437 | |
58da1ffb | 2438 | lpfc_online(phba); |
8d63f375 LV |
2439 | } |
2440 | ||
dea3101e JB |
2441 | static struct pci_device_id lpfc_id_table[] = { |
2442 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
2443 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
2444 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
2445 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2446 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
2447 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2448 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
2449 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2450 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
2451 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2452 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
2453 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2454 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
2455 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2456 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
2457 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2458 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
2459 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2460 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
2461 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2462 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
2463 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2464 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
2465 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2466 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
2467 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2468 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
2469 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2470 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
2471 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2472 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
2473 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2474 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
2475 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2476 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
2477 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2478 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
2479 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2480 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
2481 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2482 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
2483 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2484 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
2485 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2486 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
2487 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2488 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
2489 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2490 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
2491 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
2492 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
2493 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2494 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
2495 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
2496 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
2497 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2498 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
2499 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2500 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
2501 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2502 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
2503 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2504 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
2505 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2506 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
2507 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
2508 | { 0 } |
2509 | }; | |
2510 | ||
2511 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
2512 | ||
8d63f375 LV |
2513 | static struct pci_error_handlers lpfc_err_handler = { |
2514 | .error_detected = lpfc_io_error_detected, | |
2515 | .slot_reset = lpfc_io_slot_reset, | |
2516 | .resume = lpfc_io_resume, | |
2517 | }; | |
2518 | ||
dea3101e JB |
2519 | static struct pci_driver lpfc_driver = { |
2520 | .name = LPFC_DRIVER_NAME, | |
2521 | .id_table = lpfc_id_table, | |
2522 | .probe = lpfc_pci_probe_one, | |
2523 | .remove = __devexit_p(lpfc_pci_remove_one), | |
2e0fef85 | 2524 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
2525 | }; |
2526 | ||
2527 | static int __init | |
2528 | lpfc_init(void) | |
2529 | { | |
2530 | int error = 0; | |
2531 | ||
2532 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 2533 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 2534 | |
7ee5d43e JS |
2535 | if (lpfc_enable_npiv) { |
2536 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
2537 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
2538 | } | |
dea3101e JB |
2539 | lpfc_transport_template = |
2540 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 2541 | if (lpfc_transport_template == NULL) |
dea3101e | 2542 | return -ENOMEM; |
7ee5d43e | 2543 | if (lpfc_enable_npiv) { |
7ee5d43e | 2544 | lpfc_vport_transport_template = |
98c9ea5c JS |
2545 | fc_attach_transport(&lpfc_vport_transport_functions); |
2546 | if (lpfc_vport_transport_template == NULL) { | |
2547 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 2548 | return -ENOMEM; |
98c9ea5c | 2549 | } |
7ee5d43e | 2550 | } |
dea3101e | 2551 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 2552 | if (error) { |
dea3101e | 2553 | fc_release_transport(lpfc_transport_template); |
92d7f7b0 JS |
2554 | fc_release_transport(lpfc_vport_transport_template); |
2555 | } | |
dea3101e JB |
2556 | |
2557 | return error; | |
2558 | } | |
2559 | ||
2560 | static void __exit | |
2561 | lpfc_exit(void) | |
2562 | { | |
2563 | pci_unregister_driver(&lpfc_driver); | |
2564 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
2565 | if (lpfc_enable_npiv) |
2566 | fc_release_transport(lpfc_vport_transport_template); | |
dea3101e JB |
2567 | } |
2568 | ||
2569 | module_init(lpfc_init); | |
2570 | module_exit(lpfc_exit); | |
2571 | MODULE_LICENSE("GPL"); | |
2572 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
2573 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
2574 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |