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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. * |
d4379acd | 4 | * Copyright (C) 2004-2012 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> | |
acf3368f | 27 | #include <linux/module.h> |
dea3101e JB |
28 | #include <linux/kthread.h> |
29 | #include <linux/pci.h> | |
30 | #include <linux/spinlock.h> | |
92d7f7b0 | 31 | #include <linux/ctype.h> |
0d878419 | 32 | #include <linux/aer.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
52d52440 | 34 | #include <linux/firmware.h> |
3ef6d24c | 35 | #include <linux/miscdevice.h> |
dea3101e | 36 | |
91886523 | 37 | #include <scsi/scsi.h> |
dea3101e JB |
38 | #include <scsi/scsi_device.h> |
39 | #include <scsi/scsi_host.h> | |
40 | #include <scsi/scsi_transport_fc.h> | |
41 | ||
da0436e9 | 42 | #include "lpfc_hw4.h" |
dea3101e JB |
43 | #include "lpfc_hw.h" |
44 | #include "lpfc_sli.h" | |
da0436e9 | 45 | #include "lpfc_sli4.h" |
ea2151b4 | 46 | #include "lpfc_nl.h" |
dea3101e JB |
47 | #include "lpfc_disc.h" |
48 | #include "lpfc_scsi.h" | |
49 | #include "lpfc.h" | |
50 | #include "lpfc_logmsg.h" | |
51 | #include "lpfc_crtn.h" | |
92d7f7b0 | 52 | #include "lpfc_vport.h" |
dea3101e JB |
53 | #include "lpfc_version.h" |
54 | ||
81301a9b JS |
55 | char *_dump_buf_data; |
56 | unsigned long _dump_buf_data_order; | |
57 | char *_dump_buf_dif; | |
58 | unsigned long _dump_buf_dif_order; | |
59 | spinlock_t _dump_buf_lock; | |
60 | ||
dea3101e JB |
61 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
62 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
5350d872 | 63 | static int lpfc_sli4_queue_verify(struct lpfc_hba *); |
da0436e9 JS |
64 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); |
65 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
da0436e9 | 66 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); |
8a9d2e80 JS |
67 | static void lpfc_free_els_sgl_list(struct lpfc_hba *); |
68 | static void lpfc_init_sgl_list(struct lpfc_hba *); | |
da0436e9 JS |
69 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); |
70 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
71 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
72 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
73 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
74 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
75 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
618a5230 JS |
76 | static void lpfc_sli4_disable_intr(struct lpfc_hba *); |
77 | static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); | |
dea3101e JB |
78 | |
79 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 80 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e JB |
81 | static DEFINE_IDR(lpfc_hba_index); |
82 | ||
e59058c4 | 83 | /** |
3621a710 | 84 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
85 | * @phba: pointer to lpfc hba data structure. |
86 | * | |
87 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
88 | * mailbox command. It retrieves the revision information from the HBA and | |
89 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
90 | * configuration of the HBA. | |
91 | * | |
92 | * Return codes: | |
93 | * 0 - success. | |
94 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
95 | * Any other value - indicates an error. | |
96 | **/ | |
dea3101e | 97 | int |
2e0fef85 | 98 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
99 | { |
100 | lpfc_vpd_t *vp = &phba->vpd; | |
101 | int i = 0, rc; | |
102 | LPFC_MBOXQ_t *pmb; | |
103 | MAILBOX_t *mb; | |
104 | char *lpfc_vpd_data = NULL; | |
105 | uint16_t offset = 0; | |
106 | static char licensed[56] = | |
107 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 108 | static int init_key = 1; |
dea3101e JB |
109 | |
110 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
111 | if (!pmb) { | |
2e0fef85 | 112 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
113 | return -ENOMEM; |
114 | } | |
115 | ||
04c68496 | 116 | mb = &pmb->u.mb; |
2e0fef85 | 117 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
118 | |
119 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
120 | if (init_key) { |
121 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 122 | |
65a29c16 JS |
123 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
124 | *ptext = cpu_to_be32(*ptext); | |
125 | init_key = 0; | |
126 | } | |
dea3101e JB |
127 | |
128 | lpfc_read_nv(phba, pmb); | |
129 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
130 | sizeof (mb->un.varRDnvp.rsvd3)); | |
131 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
132 | sizeof (licensed)); | |
133 | ||
134 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
135 | ||
136 | if (rc != MBX_SUCCESS) { | |
ed957684 | 137 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 138 | "0324 Config Port initialization " |
dea3101e JB |
139 | "error, mbxCmd x%x READ_NVPARM, " |
140 | "mbxStatus x%x\n", | |
dea3101e JB |
141 | mb->mbxCommand, mb->mbxStatus); |
142 | mempool_free(pmb, phba->mbox_mem_pool); | |
143 | return -ERESTART; | |
144 | } | |
145 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
146 | sizeof(phba->wwnn)); |
147 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
148 | sizeof(phba->wwpn)); | |
dea3101e JB |
149 | } |
150 | ||
92d7f7b0 JS |
151 | phba->sli3_options = 0x0; |
152 | ||
dea3101e JB |
153 | /* Setup and issue mailbox READ REV command */ |
154 | lpfc_read_rev(phba, pmb); | |
155 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
156 | if (rc != MBX_SUCCESS) { | |
ed957684 | 157 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 158 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 159 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
160 | mb->mbxCommand, mb->mbxStatus); |
161 | mempool_free( pmb, phba->mbox_mem_pool); | |
162 | return -ERESTART; | |
163 | } | |
164 | ||
92d7f7b0 | 165 | |
1de933f3 JSEC |
166 | /* |
167 | * The value of rr must be 1 since the driver set the cv field to 1. | |
168 | * This setting requires the FW to set all revision fields. | |
dea3101e | 169 | */ |
1de933f3 | 170 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 171 | vp->rev.rBit = 0; |
1de933f3 | 172 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
173 | "0440 Adapter failed to init, READ_REV has " |
174 | "missing revision information.\n"); | |
dea3101e JB |
175 | mempool_free(pmb, phba->mbox_mem_pool); |
176 | return -ERESTART; | |
dea3101e JB |
177 | } |
178 | ||
495a714c JS |
179 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
180 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 181 | return -EINVAL; |
495a714c | 182 | } |
ed957684 | 183 | |
dea3101e | 184 | /* Save information as VPD data */ |
1de933f3 | 185 | vp->rev.rBit = 1; |
92d7f7b0 | 186 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
187 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
188 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
189 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
190 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
191 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
192 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
193 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
194 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
195 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
196 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
197 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
198 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
199 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
200 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
201 | ||
92d7f7b0 JS |
202 | /* If the sli feature level is less then 9, we must |
203 | * tear down all RPIs and VPIs on link down if NPIV | |
204 | * is enabled. | |
205 | */ | |
206 | if (vp->rev.feaLevelHigh < 9) | |
207 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
208 | ||
dea3101e JB |
209 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
210 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
211 | sizeof (phba->RandomData)); | |
212 | ||
dea3101e | 213 | /* Get adapter VPD information */ |
dea3101e JB |
214 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
215 | if (!lpfc_vpd_data) | |
d7c255b2 | 216 | goto out_free_mbox; |
dea3101e | 217 | do { |
a0c87cbd | 218 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e JB |
219 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
220 | ||
221 | if (rc != MBX_SUCCESS) { | |
222 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 223 | "0441 VPD not present on adapter, " |
dea3101e | 224 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 225 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 226 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 227 | } |
04c68496 JS |
228 | /* dump mem may return a zero when finished or we got a |
229 | * mailbox error, either way we are done. | |
230 | */ | |
231 | if (mb->un.varDmp.word_cnt == 0) | |
232 | break; | |
74b72a59 JW |
233 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
234 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
235 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
236 | lpfc_vpd_data + offset, | |
92d7f7b0 | 237 | mb->un.varDmp.word_cnt); |
dea3101e | 238 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
239 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
240 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
241 | |
242 | kfree(lpfc_vpd_data); | |
dea3101e JB |
243 | out_free_mbox: |
244 | mempool_free(pmb, phba->mbox_mem_pool); | |
245 | return 0; | |
246 | } | |
247 | ||
e59058c4 | 248 | /** |
3621a710 | 249 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
250 | * @phba: pointer to lpfc hba data structure. |
251 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
252 | * | |
253 | * This is the completion handler for driver's configuring asynchronous event | |
254 | * mailbox command to the device. If the mailbox command returns successfully, | |
255 | * it will set internal async event support flag to 1; otherwise, it will | |
256 | * set internal async event support flag to 0. | |
257 | **/ | |
57127f15 JS |
258 | static void |
259 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
260 | { | |
04c68496 | 261 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
262 | phba->temp_sensor_support = 1; |
263 | else | |
264 | phba->temp_sensor_support = 0; | |
265 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
266 | return; | |
267 | } | |
268 | ||
97207482 | 269 | /** |
3621a710 | 270 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
271 | * @phba: pointer to lpfc hba data structure. |
272 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
273 | * | |
274 | * This is the completion handler for dump mailbox command for getting | |
275 | * wake up parameters. When this command complete, the response contain | |
276 | * Option rom version of the HBA. This function translate the version number | |
277 | * into a human readable string and store it in OptionROMVersion. | |
278 | **/ | |
279 | static void | |
280 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
281 | { | |
282 | struct prog_id *prg; | |
283 | uint32_t prog_id_word; | |
284 | char dist = ' '; | |
285 | /* character array used for decoding dist type. */ | |
286 | char dist_char[] = "nabx"; | |
287 | ||
04c68496 | 288 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 289 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 290 | return; |
9f1e1b50 | 291 | } |
97207482 JS |
292 | |
293 | prg = (struct prog_id *) &prog_id_word; | |
294 | ||
295 | /* word 7 contain option rom version */ | |
04c68496 | 296 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
297 | |
298 | /* Decode the Option rom version word to a readable string */ | |
299 | if (prg->dist < 4) | |
300 | dist = dist_char[prg->dist]; | |
301 | ||
302 | if ((prg->dist == 3) && (prg->num == 0)) | |
303 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
304 | prg->ver, prg->rev, prg->lev); | |
305 | else | |
306 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
307 | prg->ver, prg->rev, prg->lev, | |
308 | dist, prg->num); | |
9f1e1b50 | 309 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
310 | return; |
311 | } | |
312 | ||
0558056c JS |
313 | /** |
314 | * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, | |
315 | * cfg_soft_wwnn, cfg_soft_wwpn | |
316 | * @vport: pointer to lpfc vport data structure. | |
317 | * | |
318 | * | |
319 | * Return codes | |
320 | * None. | |
321 | **/ | |
322 | void | |
323 | lpfc_update_vport_wwn(struct lpfc_vport *vport) | |
324 | { | |
325 | /* If the soft name exists then update it using the service params */ | |
326 | if (vport->phba->cfg_soft_wwnn) | |
327 | u64_to_wwn(vport->phba->cfg_soft_wwnn, | |
328 | vport->fc_sparam.nodeName.u.wwn); | |
329 | if (vport->phba->cfg_soft_wwpn) | |
330 | u64_to_wwn(vport->phba->cfg_soft_wwpn, | |
331 | vport->fc_sparam.portName.u.wwn); | |
332 | ||
333 | /* | |
334 | * If the name is empty or there exists a soft name | |
335 | * then copy the service params name, otherwise use the fc name | |
336 | */ | |
337 | if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) | |
338 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
339 | sizeof(struct lpfc_name)); | |
340 | else | |
341 | memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename, | |
342 | sizeof(struct lpfc_name)); | |
343 | ||
344 | if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn) | |
345 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
346 | sizeof(struct lpfc_name)); | |
347 | else | |
348 | memcpy(&vport->fc_sparam.portName, &vport->fc_portname, | |
349 | sizeof(struct lpfc_name)); | |
350 | } | |
351 | ||
e59058c4 | 352 | /** |
3621a710 | 353 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
354 | * @phba: pointer to lpfc hba data structure. |
355 | * | |
356 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
357 | * command call. It performs all internal resource and state setups on the | |
358 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
359 | * ELS ring timers, etc. | |
360 | * | |
361 | * Return codes | |
362 | * 0 - success. | |
363 | * Any other value - error. | |
364 | **/ | |
dea3101e | 365 | int |
2e0fef85 | 366 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 367 | { |
2e0fef85 | 368 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 369 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
370 | LPFC_MBOXQ_t *pmb; |
371 | MAILBOX_t *mb; | |
372 | struct lpfc_dmabuf *mp; | |
373 | struct lpfc_sli *psli = &phba->sli; | |
374 | uint32_t status, timeout; | |
2e0fef85 JS |
375 | int i, j; |
376 | int rc; | |
dea3101e | 377 | |
7af67051 JS |
378 | spin_lock_irq(&phba->hbalock); |
379 | /* | |
380 | * If the Config port completed correctly the HBA is not | |
381 | * over heated any more. | |
382 | */ | |
383 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
384 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
385 | spin_unlock_irq(&phba->hbalock); | |
386 | ||
dea3101e JB |
387 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
388 | if (!pmb) { | |
2e0fef85 | 389 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
390 | return -ENOMEM; |
391 | } | |
04c68496 | 392 | mb = &pmb->u.mb; |
dea3101e | 393 | |
dea3101e | 394 | /* Get login parameters for NID. */ |
9f1177a3 JS |
395 | rc = lpfc_read_sparam(phba, pmb, 0); |
396 | if (rc) { | |
397 | mempool_free(pmb, phba->mbox_mem_pool); | |
398 | return -ENOMEM; | |
399 | } | |
400 | ||
ed957684 | 401 | pmb->vport = vport; |
dea3101e | 402 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 403 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 404 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 405 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 406 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 407 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 408 | mp = (struct lpfc_dmabuf *) pmb->context1; |
9f1177a3 | 409 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
410 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
411 | kfree(mp); | |
412 | return -EIO; | |
413 | } | |
414 | ||
415 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
416 | ||
2e0fef85 | 417 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
418 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
419 | kfree(mp); | |
420 | pmb->context1 = NULL; | |
0558056c | 421 | lpfc_update_vport_wwn(vport); |
a257bf90 JS |
422 | |
423 | /* Update the fc_host data structures with new wwn. */ | |
424 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
425 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 426 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 427 | |
dea3101e JB |
428 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
429 | /* This should be consolidated into parse_vpd ? - mr */ | |
430 | if (phba->SerialNumber[0] == 0) { | |
431 | uint8_t *outptr; | |
432 | ||
2e0fef85 | 433 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
434 | for (i = 0; i < 12; i++) { |
435 | status = *outptr++; | |
436 | j = ((status & 0xf0) >> 4); | |
437 | if (j <= 9) | |
438 | phba->SerialNumber[i] = | |
439 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
440 | else | |
441 | phba->SerialNumber[i] = | |
442 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
443 | i++; | |
444 | j = (status & 0xf); | |
445 | if (j <= 9) | |
446 | phba->SerialNumber[i] = | |
447 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
448 | else | |
449 | phba->SerialNumber[i] = | |
450 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
451 | } | |
452 | } | |
453 | ||
dea3101e | 454 | lpfc_read_config(phba, pmb); |
ed957684 | 455 | pmb->vport = vport; |
dea3101e | 456 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 457 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 458 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 459 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 460 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 461 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
462 | mempool_free( pmb, phba->mbox_mem_pool); |
463 | return -EIO; | |
464 | } | |
465 | ||
a0c87cbd JS |
466 | /* Check if the port is disabled */ |
467 | lpfc_sli_read_link_ste(phba); | |
468 | ||
dea3101e JB |
469 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
470 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
471 | phba->cfg_hba_queue_depth = | |
f1126688 JS |
472 | (mb->un.varRdConfig.max_xri + 1) - |
473 | lpfc_sli4_get_els_iocb_cnt(phba); | |
dea3101e JB |
474 | |
475 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
476 | |
477 | /* Get the default values for Model Name and Description */ | |
478 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
479 | ||
2e0fef85 | 480 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 481 | |
0b727fea | 482 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
7e56aa25 | 483 | if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr) |
a4bc3379 | 484 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; |
7e56aa25 | 485 | if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr) |
dea3101e | 486 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; |
7e56aa25 | 487 | if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr) |
dea3101e JB |
488 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; |
489 | ||
490 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
491 | if (phba->sli_rev != 3) |
492 | lpfc_post_rcv_buf(phba); | |
dea3101e | 493 | |
9399627f JS |
494 | /* |
495 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
496 | */ | |
497 | if (phba->intr_type == MSIX) { | |
498 | rc = lpfc_config_msi(phba, pmb); | |
499 | if (rc) { | |
500 | mempool_free(pmb, phba->mbox_mem_pool); | |
501 | return -EIO; | |
502 | } | |
503 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
504 | if (rc != MBX_SUCCESS) { | |
505 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
506 | "0352 Config MSI mailbox command " | |
507 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
508 | pmb->u.mb.mbxCommand, |
509 | pmb->u.mb.mbxStatus); | |
9399627f JS |
510 | mempool_free(pmb, phba->mbox_mem_pool); |
511 | return -EIO; | |
512 | } | |
513 | } | |
514 | ||
04c68496 | 515 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
516 | /* Initialize ERATT handling flag */ |
517 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
518 | ||
dea3101e | 519 | /* Enable appropriate host interrupts */ |
9940b97b JS |
520 | if (lpfc_readl(phba->HCregaddr, &status)) { |
521 | spin_unlock_irq(&phba->hbalock); | |
522 | return -EIO; | |
523 | } | |
dea3101e JB |
524 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; |
525 | if (psli->num_rings > 0) | |
526 | status |= HC_R0INT_ENA; | |
527 | if (psli->num_rings > 1) | |
528 | status |= HC_R1INT_ENA; | |
529 | if (psli->num_rings > 2) | |
530 | status |= HC_R2INT_ENA; | |
531 | if (psli->num_rings > 3) | |
532 | status |= HC_R3INT_ENA; | |
533 | ||
875fbdfe JSEC |
534 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
535 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 536 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 537 | |
dea3101e JB |
538 | writel(status, phba->HCregaddr); |
539 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 540 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 541 | |
9399627f JS |
542 | /* Set up ring-0 (ELS) timer */ |
543 | timeout = phba->fc_ratov * 2; | |
2e0fef85 | 544 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
9399627f | 545 | /* Set up heart beat (HB) timer */ |
858c9f6c JS |
546 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
547 | phba->hb_outstanding = 0; | |
548 | phba->last_completion_time = jiffies; | |
9399627f JS |
549 | /* Set up error attention (ERATT) polling timer */ |
550 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
dea3101e | 551 | |
a0c87cbd JS |
552 | if (phba->hba_flag & LINK_DISABLED) { |
553 | lpfc_printf_log(phba, | |
554 | KERN_ERR, LOG_INIT, | |
555 | "2598 Adapter Link is disabled.\n"); | |
556 | lpfc_down_link(phba, pmb); | |
557 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
558 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
559 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
560 | lpfc_printf_log(phba, | |
561 | KERN_ERR, LOG_INIT, | |
562 | "2599 Adapter failed to issue DOWN_LINK" | |
563 | " mbox command rc 0x%x\n", rc); | |
564 | ||
565 | mempool_free(pmb, phba->mbox_mem_pool); | |
566 | return -EIO; | |
567 | } | |
e40a02c1 | 568 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { |
026abb87 JS |
569 | mempool_free(pmb, phba->mbox_mem_pool); |
570 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
571 | if (rc) | |
572 | return rc; | |
dea3101e JB |
573 | } |
574 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 | 575 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
9f1177a3 JS |
576 | if (!pmb) { |
577 | phba->link_state = LPFC_HBA_ERROR; | |
578 | return -ENOMEM; | |
579 | } | |
580 | ||
57127f15 JS |
581 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); |
582 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
583 | pmb->vport = phba->pport; | |
584 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 585 | |
57127f15 JS |
586 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
587 | lpfc_printf_log(phba, | |
588 | KERN_ERR, | |
589 | LOG_INIT, | |
590 | "0456 Adapter failed to issue " | |
e4e74273 | 591 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
592 | rc); |
593 | mempool_free(pmb, phba->mbox_mem_pool); | |
594 | } | |
97207482 JS |
595 | |
596 | /* Get Option rom version */ | |
597 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9f1177a3 JS |
598 | if (!pmb) { |
599 | phba->link_state = LPFC_HBA_ERROR; | |
600 | return -ENOMEM; | |
601 | } | |
602 | ||
97207482 JS |
603 | lpfc_dump_wakeup_param(phba, pmb); |
604 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
605 | pmb->vport = phba->pport; | |
606 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
607 | ||
608 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
609 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 610 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
611 | mempool_free(pmb, phba->mbox_mem_pool); |
612 | } | |
613 | ||
d7c255b2 | 614 | return 0; |
ce8b3ce5 JS |
615 | } |
616 | ||
84d1b006 JS |
617 | /** |
618 | * lpfc_hba_init_link - Initialize the FC link | |
619 | * @phba: pointer to lpfc hba data structure. | |
6e7288d9 | 620 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT |
84d1b006 JS |
621 | * |
622 | * This routine will issue the INIT_LINK mailbox command call. | |
623 | * It is available to other drivers through the lpfc_hba data | |
624 | * structure for use as a delayed link up mechanism with the | |
625 | * module parameter lpfc_suppress_link_up. | |
626 | * | |
627 | * Return code | |
628 | * 0 - success | |
629 | * Any other value - error | |
630 | **/ | |
631 | int | |
6e7288d9 | 632 | lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) |
1b51197d JS |
633 | { |
634 | return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag); | |
635 | } | |
636 | ||
637 | /** | |
638 | * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology | |
639 | * @phba: pointer to lpfc hba data structure. | |
640 | * @fc_topology: desired fc topology. | |
641 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
642 | * | |
643 | * This routine will issue the INIT_LINK mailbox command call. | |
644 | * It is available to other drivers through the lpfc_hba data | |
645 | * structure for use as a delayed link up mechanism with the | |
646 | * module parameter lpfc_suppress_link_up. | |
647 | * | |
648 | * Return code | |
649 | * 0 - success | |
650 | * Any other value - error | |
651 | **/ | |
652 | int | |
653 | lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, | |
654 | uint32_t flag) | |
84d1b006 JS |
655 | { |
656 | struct lpfc_vport *vport = phba->pport; | |
657 | LPFC_MBOXQ_t *pmb; | |
658 | MAILBOX_t *mb; | |
659 | int rc; | |
660 | ||
661 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
662 | if (!pmb) { | |
663 | phba->link_state = LPFC_HBA_ERROR; | |
664 | return -ENOMEM; | |
665 | } | |
666 | mb = &pmb->u.mb; | |
667 | pmb->vport = vport; | |
668 | ||
026abb87 JS |
669 | if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) || |
670 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) && | |
671 | !(phba->lmt & LMT_1Gb)) || | |
672 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) && | |
673 | !(phba->lmt & LMT_2Gb)) || | |
674 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) && | |
675 | !(phba->lmt & LMT_4Gb)) || | |
676 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) && | |
677 | !(phba->lmt & LMT_8Gb)) || | |
678 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) && | |
679 | !(phba->lmt & LMT_10Gb)) || | |
680 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) && | |
681 | !(phba->lmt & LMT_16Gb))) { | |
682 | /* Reset link speed to auto */ | |
683 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
684 | "1302 Invalid speed for this board:%d " | |
685 | "Reset link speed to auto.\n", | |
686 | phba->cfg_link_speed); | |
687 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; | |
688 | } | |
1b51197d | 689 | lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); |
84d1b006 | 690 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1b51197d JS |
691 | if (phba->sli_rev < LPFC_SLI_REV4) |
692 | lpfc_set_loopback_flag(phba); | |
6e7288d9 | 693 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
76a95d75 | 694 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
84d1b006 JS |
695 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
696 | "0498 Adapter failed to init, mbxCmd x%x " | |
697 | "INIT_LINK, mbxStatus x%x\n", | |
698 | mb->mbxCommand, mb->mbxStatus); | |
76a95d75 JS |
699 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
700 | /* Clear all interrupt enable conditions */ | |
701 | writel(0, phba->HCregaddr); | |
702 | readl(phba->HCregaddr); /* flush */ | |
703 | /* Clear all pending interrupts */ | |
704 | writel(0xffffffff, phba->HAregaddr); | |
705 | readl(phba->HAregaddr); /* flush */ | |
706 | } | |
84d1b006 | 707 | phba->link_state = LPFC_HBA_ERROR; |
6e7288d9 | 708 | if (rc != MBX_BUSY || flag == MBX_POLL) |
84d1b006 JS |
709 | mempool_free(pmb, phba->mbox_mem_pool); |
710 | return -EIO; | |
711 | } | |
e40a02c1 | 712 | phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; |
6e7288d9 JS |
713 | if (flag == MBX_POLL) |
714 | mempool_free(pmb, phba->mbox_mem_pool); | |
84d1b006 JS |
715 | |
716 | return 0; | |
717 | } | |
718 | ||
719 | /** | |
720 | * lpfc_hba_down_link - this routine downs the FC link | |
6e7288d9 JS |
721 | * @phba: pointer to lpfc hba data structure. |
722 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
84d1b006 JS |
723 | * |
724 | * This routine will issue the DOWN_LINK mailbox command call. | |
725 | * It is available to other drivers through the lpfc_hba data | |
726 | * structure for use to stop the link. | |
727 | * | |
728 | * Return code | |
729 | * 0 - success | |
730 | * Any other value - error | |
731 | **/ | |
732 | int | |
6e7288d9 | 733 | lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
734 | { |
735 | LPFC_MBOXQ_t *pmb; | |
736 | int rc; | |
737 | ||
738 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
739 | if (!pmb) { | |
740 | phba->link_state = LPFC_HBA_ERROR; | |
741 | return -ENOMEM; | |
742 | } | |
743 | ||
744 | lpfc_printf_log(phba, | |
745 | KERN_ERR, LOG_INIT, | |
746 | "0491 Adapter Link is disabled.\n"); | |
747 | lpfc_down_link(phba, pmb); | |
748 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6e7288d9 | 749 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
84d1b006 JS |
750 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { |
751 | lpfc_printf_log(phba, | |
752 | KERN_ERR, LOG_INIT, | |
753 | "2522 Adapter failed to issue DOWN_LINK" | |
754 | " mbox command rc 0x%x\n", rc); | |
755 | ||
756 | mempool_free(pmb, phba->mbox_mem_pool); | |
757 | return -EIO; | |
758 | } | |
6e7288d9 JS |
759 | if (flag == MBX_POLL) |
760 | mempool_free(pmb, phba->mbox_mem_pool); | |
761 | ||
84d1b006 JS |
762 | return 0; |
763 | } | |
764 | ||
e59058c4 | 765 | /** |
3621a710 | 766 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
767 | * @phba: pointer to lpfc HBA data structure. |
768 | * | |
769 | * This routine will do LPFC uninitialization before the HBA is reset when | |
770 | * bringing down the SLI Layer. | |
771 | * | |
772 | * Return codes | |
773 | * 0 - success. | |
774 | * Any other value - error. | |
775 | **/ | |
dea3101e | 776 | int |
2e0fef85 | 777 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 778 | { |
1b32f6aa JS |
779 | struct lpfc_vport **vports; |
780 | int i; | |
3772a991 JS |
781 | |
782 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
783 | /* Disable interrupts */ | |
784 | writel(0, phba->HCregaddr); | |
785 | readl(phba->HCregaddr); /* flush */ | |
786 | } | |
dea3101e | 787 | |
1b32f6aa JS |
788 | if (phba->pport->load_flag & FC_UNLOADING) |
789 | lpfc_cleanup_discovery_resources(phba->pport); | |
790 | else { | |
791 | vports = lpfc_create_vport_work_array(phba); | |
792 | if (vports != NULL) | |
3772a991 JS |
793 | for (i = 0; i <= phba->max_vports && |
794 | vports[i] != NULL; i++) | |
1b32f6aa JS |
795 | lpfc_cleanup_discovery_resources(vports[i]); |
796 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
797 | } |
798 | return 0; | |
dea3101e JB |
799 | } |
800 | ||
e59058c4 | 801 | /** |
3772a991 | 802 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
803 | * @phba: pointer to lpfc HBA data structure. |
804 | * | |
805 | * This routine will do uninitialization after the HBA is reset when bring | |
806 | * down the SLI Layer. | |
807 | * | |
808 | * Return codes | |
af901ca1 | 809 | * 0 - success. |
e59058c4 JS |
810 | * Any other value - error. |
811 | **/ | |
3772a991 JS |
812 | static int |
813 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
41415862 JW |
814 | { |
815 | struct lpfc_sli *psli = &phba->sli; | |
816 | struct lpfc_sli_ring *pring; | |
817 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 818 | LIST_HEAD(completions); |
41415862 JW |
819 | int i; |
820 | ||
92d7f7b0 JS |
821 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
822 | lpfc_sli_hbqbuf_free_all(phba); | |
823 | else { | |
824 | /* Cleanup preposted buffers on the ELS ring */ | |
825 | pring = &psli->ring[LPFC_ELS_RING]; | |
826 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
827 | list_del(&mp->list); | |
828 | pring->postbufq_cnt--; | |
829 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
830 | kfree(mp); | |
831 | } | |
41415862 JW |
832 | } |
833 | ||
09372820 | 834 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
835 | for (i = 0; i < psli->num_rings; i++) { |
836 | pring = &psli->ring[i]; | |
09372820 JS |
837 | |
838 | /* At this point in time the HBA is either reset or DOA. Either | |
839 | * way, nothing should be on txcmplq as it will NEVER complete. | |
840 | */ | |
841 | list_splice_init(&pring->txcmplq, &completions); | |
09372820 JS |
842 | spin_unlock_irq(&phba->hbalock); |
843 | ||
a257bf90 JS |
844 | /* Cancel all the IOCBs from the completions list */ |
845 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
846 | IOERR_SLI_ABORTED); | |
09372820 | 847 | |
41415862 | 848 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 849 | spin_lock_irq(&phba->hbalock); |
41415862 | 850 | } |
09372820 | 851 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
852 | |
853 | return 0; | |
854 | } | |
5af5eee7 | 855 | |
da0436e9 JS |
856 | /** |
857 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
858 | * @phba: pointer to lpfc HBA data structure. | |
859 | * | |
860 | * This routine will do uninitialization after the HBA is reset when bring | |
861 | * down the SLI Layer. | |
862 | * | |
863 | * Return codes | |
af901ca1 | 864 | * 0 - success. |
da0436e9 JS |
865 | * Any other value - error. |
866 | **/ | |
867 | static int | |
868 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
869 | { | |
870 | struct lpfc_scsi_buf *psb, *psb_next; | |
871 | LIST_HEAD(aborts); | |
872 | int ret; | |
873 | unsigned long iflag = 0; | |
0f65ff68 JS |
874 | struct lpfc_sglq *sglq_entry = NULL; |
875 | ||
da0436e9 JS |
876 | ret = lpfc_hba_down_post_s3(phba); |
877 | if (ret) | |
878 | return ret; | |
879 | /* At this point in time the HBA is either reset or DOA. Either | |
880 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
881 | * on the lpfc_sgl_list so that it can either be freed if the | |
882 | * driver is unloading or reposted if the driver is restarting | |
883 | * the port. | |
884 | */ | |
885 | spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */ | |
886 | /* scsl_buf_list */ | |
887 | /* abts_sgl_list_lock required because worker thread uses this | |
888 | * list. | |
889 | */ | |
890 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
0f65ff68 JS |
891 | list_for_each_entry(sglq_entry, |
892 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) | |
893 | sglq_entry->state = SGL_FREED; | |
894 | ||
da0436e9 JS |
895 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, |
896 | &phba->sli4_hba.lpfc_sgl_list); | |
897 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
898 | /* abts_scsi_buf_list_lock required because worker thread uses this | |
899 | * list. | |
900 | */ | |
901 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
902 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
903 | &aborts); | |
904 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
905 | spin_unlock_irq(&phba->hbalock); | |
906 | ||
907 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
908 | psb->pCmd = NULL; | |
909 | psb->status = IOSTAT_SUCCESS; | |
910 | } | |
911 | spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); | |
912 | list_splice(&aborts, &phba->lpfc_scsi_buf_list); | |
913 | spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); | |
914 | return 0; | |
915 | } | |
916 | ||
917 | /** | |
918 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
919 | * @phba: pointer to lpfc HBA data structure. | |
920 | * | |
921 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
922 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
923 | * | |
924 | * Return codes | |
af901ca1 | 925 | * 0 - success. |
da0436e9 JS |
926 | * Any other value - error. |
927 | **/ | |
928 | int | |
929 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
930 | { | |
931 | return (*phba->lpfc_hba_down_post)(phba); | |
932 | } | |
41415862 | 933 | |
e59058c4 | 934 | /** |
3621a710 | 935 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
936 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
937 | * | |
938 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
939 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
940 | * work-port-events bitmap and the worker thread is notified. This timeout | |
941 | * event will be used by the worker thread to invoke the actual timeout | |
942 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
943 | * be performed in the timeout handler and the HBA timeout event bit shall | |
944 | * be cleared by the worker thread after it has taken the event bitmap out. | |
945 | **/ | |
a6ababd2 | 946 | static void |
858c9f6c JS |
947 | lpfc_hb_timeout(unsigned long ptr) |
948 | { | |
949 | struct lpfc_hba *phba; | |
5e9d9b82 | 950 | uint32_t tmo_posted; |
858c9f6c JS |
951 | unsigned long iflag; |
952 | ||
953 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
954 | |
955 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 956 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
957 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
958 | if (!tmo_posted) | |
858c9f6c JS |
959 | phba->pport->work_port_events |= WORKER_HB_TMO; |
960 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
961 | ||
9399627f | 962 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
963 | if (!tmo_posted) |
964 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
965 | return; |
966 | } | |
967 | ||
19ca7609 JS |
968 | /** |
969 | * lpfc_rrq_timeout - The RRQ-timer timeout handler | |
970 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
971 | * | |
972 | * This is the RRQ-timer timeout handler registered to the lpfc driver. When | |
973 | * this timer fires, a RRQ timeout event shall be posted to the lpfc driver | |
974 | * work-port-events bitmap and the worker thread is notified. This timeout | |
975 | * event will be used by the worker thread to invoke the actual timeout | |
976 | * handler routine, lpfc_rrq_handler. Any periodical operations will | |
977 | * be performed in the timeout handler and the RRQ timeout event bit shall | |
978 | * be cleared by the worker thread after it has taken the event bitmap out. | |
979 | **/ | |
980 | static void | |
981 | lpfc_rrq_timeout(unsigned long ptr) | |
982 | { | |
983 | struct lpfc_hba *phba; | |
19ca7609 JS |
984 | unsigned long iflag; |
985 | ||
986 | phba = (struct lpfc_hba *)ptr; | |
987 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
1151e3ec | 988 | phba->hba_flag |= HBA_RRQ_ACTIVE; |
19ca7609 | 989 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
1151e3ec | 990 | lpfc_worker_wake_up(phba); |
19ca7609 JS |
991 | } |
992 | ||
e59058c4 | 993 | /** |
3621a710 | 994 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
995 | * @phba: pointer to lpfc hba data structure. |
996 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
997 | * | |
998 | * This is the callback function to the lpfc heart-beat mailbox command. | |
999 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
1000 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
1001 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
1002 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
1003 | * heart-beat outstanding state. Once the mailbox command comes back and | |
1004 | * no error conditions detected, the heart-beat mailbox command timer is | |
1005 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
1006 | * state is cleared for the next heart-beat. If the timer expired with the | |
1007 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
1008 | **/ | |
858c9f6c JS |
1009 | static void |
1010 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
1011 | { | |
1012 | unsigned long drvr_flag; | |
1013 | ||
1014 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
1015 | phba->hb_outstanding = 0; | |
1016 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
1017 | ||
9399627f | 1018 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
1019 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1020 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
1021 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 1022 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
1023 | mod_timer(&phba->hb_tmofunc, |
1024 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
1025 | return; | |
1026 | } | |
1027 | ||
e59058c4 | 1028 | /** |
3621a710 | 1029 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
1030 | * @phba: pointer to lpfc hba data structure. |
1031 | * | |
1032 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
1033 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
1034 | * handler performs any periodic operations needed for the device. If such | |
1035 | * periodic event has already been attended to either in the interrupt handler | |
1036 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
1037 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
1038 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
1039 | * is configured and there is no heart-beat mailbox command outstanding, a | |
1040 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
1041 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
1042 | * to offline. | |
1043 | **/ | |
858c9f6c JS |
1044 | void |
1045 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
1046 | { | |
45ed1190 | 1047 | struct lpfc_vport **vports; |
858c9f6c | 1048 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 1049 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 1050 | int retval, i; |
858c9f6c | 1051 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 1052 | LIST_HEAD(completions); |
858c9f6c | 1053 | |
45ed1190 JS |
1054 | vports = lpfc_create_vport_work_array(phba); |
1055 | if (vports != NULL) | |
1056 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
1057 | lpfc_rcv_seq_check_edtov(vports[i]); | |
1058 | lpfc_destroy_vport_work_array(phba, vports); | |
1059 | ||
858c9f6c | 1060 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 1061 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
1062 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
1063 | return; | |
1064 | ||
1065 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c JS |
1066 | |
1067 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
1068 | jiffies)) { | |
1069 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1070 | if (!phba->hb_outstanding) | |
1071 | mod_timer(&phba->hb_tmofunc, | |
1072 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
1073 | else | |
1074 | mod_timer(&phba->hb_tmofunc, | |
1075 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
1076 | return; | |
1077 | } | |
1078 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1079 | ||
0ff10d46 JS |
1080 | if (phba->elsbuf_cnt && |
1081 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
1082 | spin_lock_irq(&phba->hbalock); | |
1083 | list_splice_init(&phba->elsbuf, &completions); | |
1084 | phba->elsbuf_cnt = 0; | |
1085 | phba->elsbuf_prev_cnt = 0; | |
1086 | spin_unlock_irq(&phba->hbalock); | |
1087 | ||
1088 | while (!list_empty(&completions)) { | |
1089 | list_remove_head(&completions, buf_ptr, | |
1090 | struct lpfc_dmabuf, list); | |
1091 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1092 | kfree(buf_ptr); | |
1093 | } | |
1094 | } | |
1095 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
1096 | ||
858c9f6c | 1097 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
1098 | if (phba->cfg_enable_hba_heartbeat) { |
1099 | if (!phba->hb_outstanding) { | |
bc73905a JS |
1100 | if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && |
1101 | (list_empty(&psli->mboxq))) { | |
1102 | pmboxq = mempool_alloc(phba->mbox_mem_pool, | |
1103 | GFP_KERNEL); | |
1104 | if (!pmboxq) { | |
1105 | mod_timer(&phba->hb_tmofunc, | |
1106 | jiffies + | |
1107 | HZ * LPFC_HB_MBOX_INTERVAL); | |
1108 | return; | |
1109 | } | |
1110 | ||
1111 | lpfc_heart_beat(phba, pmboxq); | |
1112 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
1113 | pmboxq->vport = phba->pport; | |
1114 | retval = lpfc_sli_issue_mbox(phba, pmboxq, | |
1115 | MBX_NOWAIT); | |
1116 | ||
1117 | if (retval != MBX_BUSY && | |
1118 | retval != MBX_SUCCESS) { | |
1119 | mempool_free(pmboxq, | |
1120 | phba->mbox_mem_pool); | |
1121 | mod_timer(&phba->hb_tmofunc, | |
1122 | jiffies + | |
1123 | HZ * LPFC_HB_MBOX_INTERVAL); | |
1124 | return; | |
1125 | } | |
1126 | phba->skipped_hb = 0; | |
1127 | phba->hb_outstanding = 1; | |
1128 | } else if (time_before_eq(phba->last_completion_time, | |
1129 | phba->skipped_hb)) { | |
1130 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1131 | "2857 Last completion time not " | |
1132 | " updated in %d ms\n", | |
1133 | jiffies_to_msecs(jiffies | |
1134 | - phba->last_completion_time)); | |
1135 | } else | |
1136 | phba->skipped_hb = jiffies; | |
1137 | ||
858c9f6c | 1138 | mod_timer(&phba->hb_tmofunc, |
13815c83 | 1139 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
858c9f6c | 1140 | return; |
13815c83 JS |
1141 | } else { |
1142 | /* | |
1143 | * If heart beat timeout called with hb_outstanding set | |
dcf2a4e0 JS |
1144 | * we need to give the hb mailbox cmd a chance to |
1145 | * complete or TMO. | |
13815c83 | 1146 | */ |
dcf2a4e0 JS |
1147 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1148 | "0459 Adapter heartbeat still out" | |
1149 | "standing:last compl time was %d ms.\n", | |
1150 | jiffies_to_msecs(jiffies | |
1151 | - phba->last_completion_time)); | |
1152 | mod_timer(&phba->hb_tmofunc, | |
1153 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
858c9f6c | 1154 | } |
858c9f6c JS |
1155 | } |
1156 | } | |
1157 | ||
e59058c4 | 1158 | /** |
3621a710 | 1159 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
1160 | * @phba: pointer to lpfc hba data structure. |
1161 | * | |
1162 | * This routine is called to bring the HBA offline when HBA hardware error | |
1163 | * other than Port Error 6 has been detected. | |
1164 | **/ | |
09372820 JS |
1165 | static void |
1166 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
1167 | { | |
1168 | struct lpfc_sli *psli = &phba->sli; | |
1169 | ||
1170 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1171 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 | 1172 | spin_unlock_irq(&phba->hbalock); |
618a5230 | 1173 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
09372820 JS |
1174 | |
1175 | lpfc_offline(phba); | |
1176 | lpfc_reset_barrier(phba); | |
f4b4c68f | 1177 | spin_lock_irq(&phba->hbalock); |
09372820 | 1178 | lpfc_sli_brdreset(phba); |
f4b4c68f | 1179 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
1180 | lpfc_hba_down_post(phba); |
1181 | lpfc_sli_brdready(phba, HS_MBRDY); | |
1182 | lpfc_unblock_mgmt_io(phba); | |
1183 | phba->link_state = LPFC_HBA_ERROR; | |
1184 | return; | |
1185 | } | |
1186 | ||
da0436e9 JS |
1187 | /** |
1188 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
1189 | * @phba: pointer to lpfc hba data structure. | |
1190 | * | |
1191 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
1192 | * other than Port Error 6 has been detected. | |
1193 | **/ | |
1194 | static void | |
1195 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) | |
1196 | { | |
618a5230 | 1197 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
da0436e9 JS |
1198 | lpfc_offline(phba); |
1199 | lpfc_sli4_brdreset(phba); | |
1200 | lpfc_hba_down_post(phba); | |
1201 | lpfc_sli4_post_status_check(phba); | |
1202 | lpfc_unblock_mgmt_io(phba); | |
1203 | phba->link_state = LPFC_HBA_ERROR; | |
1204 | } | |
1205 | ||
a257bf90 JS |
1206 | /** |
1207 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
1208 | * @phba: pointer to lpfc hba data structure. | |
1209 | * | |
1210 | * This routine is invoked to handle the deferred HBA hardware error | |
1211 | * conditions. This type of error is indicated by HBA by setting ER1 | |
1212 | * and another ER bit in the host status register. The driver will | |
1213 | * wait until the ER1 bit clears before handling the error condition. | |
1214 | **/ | |
1215 | static void | |
1216 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
1217 | { | |
1218 | uint32_t old_host_status = phba->work_hs; | |
1219 | struct lpfc_sli_ring *pring; | |
1220 | struct lpfc_sli *psli = &phba->sli; | |
1221 | ||
f4b4c68f JS |
1222 | /* If the pci channel is offline, ignore possible errors, |
1223 | * since we cannot communicate with the pci card anyway. | |
1224 | */ | |
1225 | if (pci_channel_offline(phba->pcidev)) { | |
1226 | spin_lock_irq(&phba->hbalock); | |
1227 | phba->hba_flag &= ~DEFER_ERATT; | |
1228 | spin_unlock_irq(&phba->hbalock); | |
1229 | return; | |
1230 | } | |
1231 | ||
a257bf90 JS |
1232 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1233 | "0479 Deferred Adapter Hardware Error " | |
1234 | "Data: x%x x%x x%x\n", | |
1235 | phba->work_hs, | |
1236 | phba->work_status[0], phba->work_status[1]); | |
1237 | ||
1238 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1239 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1240 | spin_unlock_irq(&phba->hbalock); |
1241 | ||
1242 | ||
1243 | /* | |
1244 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1245 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1246 | * SCSI layer retry it after re-establishing link. | |
1247 | */ | |
1248 | pring = &psli->ring[psli->fcp_ring]; | |
1249 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1250 | ||
1251 | /* | |
1252 | * There was a firmware error. Take the hba offline and then | |
1253 | * attempt to restart it. | |
1254 | */ | |
618a5230 | 1255 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
a257bf90 JS |
1256 | lpfc_offline(phba); |
1257 | ||
1258 | /* Wait for the ER1 bit to clear.*/ | |
1259 | while (phba->work_hs & HS_FFER1) { | |
1260 | msleep(100); | |
9940b97b JS |
1261 | if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { |
1262 | phba->work_hs = UNPLUG_ERR ; | |
1263 | break; | |
1264 | } | |
a257bf90 JS |
1265 | /* If driver is unloading let the worker thread continue */ |
1266 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1267 | phba->work_hs = 0; | |
1268 | break; | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | /* | |
1273 | * This is to ptrotect against a race condition in which | |
1274 | * first write to the host attention register clear the | |
1275 | * host status register. | |
1276 | */ | |
1277 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1278 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1279 | ||
3772a991 | 1280 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1281 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1282 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1283 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1284 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1285 | } | |
1286 | ||
3772a991 JS |
1287 | static void |
1288 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1289 | { | |
1290 | struct lpfc_board_event_header board_event; | |
1291 | struct Scsi_Host *shost; | |
1292 | ||
1293 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1294 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1295 | shost = lpfc_shost_from_vport(phba->pport); | |
1296 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1297 | sizeof(board_event), | |
1298 | (char *) &board_event, | |
1299 | LPFC_NL_VENDOR_ID); | |
1300 | } | |
1301 | ||
e59058c4 | 1302 | /** |
3772a991 | 1303 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1304 | * @phba: pointer to lpfc hba data structure. |
1305 | * | |
1306 | * This routine is invoked to handle the following HBA hardware error | |
1307 | * conditions: | |
1308 | * 1 - HBA error attention interrupt | |
1309 | * 2 - DMA ring index out of range | |
1310 | * 3 - Mailbox command came back as unknown | |
1311 | **/ | |
3772a991 JS |
1312 | static void |
1313 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1314 | { |
2e0fef85 | 1315 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1316 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 1317 | struct lpfc_sli_ring *pring; |
d2873e4c | 1318 | uint32_t event_data; |
57127f15 JS |
1319 | unsigned long temperature; |
1320 | struct temp_event temp_event_data; | |
92d7f7b0 | 1321 | struct Scsi_Host *shost; |
2e0fef85 | 1322 | |
8d63f375 | 1323 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1324 | * since we cannot communicate with the pci card anyway. |
1325 | */ | |
1326 | if (pci_channel_offline(phba->pcidev)) { | |
1327 | spin_lock_irq(&phba->hbalock); | |
1328 | phba->hba_flag &= ~DEFER_ERATT; | |
1329 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1330 | return; |
3772a991 JS |
1331 | } |
1332 | ||
13815c83 JS |
1333 | /* If resets are disabled then leave the HBA alone and return */ |
1334 | if (!phba->cfg_enable_hba_reset) | |
1335 | return; | |
dea3101e | 1336 | |
ea2151b4 | 1337 | /* Send an internal error event to mgmt application */ |
3772a991 | 1338 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1339 | |
a257bf90 JS |
1340 | if (phba->hba_flag & DEFER_ERATT) |
1341 | lpfc_handle_deferred_eratt(phba); | |
1342 | ||
dcf2a4e0 JS |
1343 | if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { |
1344 | if (phba->work_hs & HS_FFER6) | |
1345 | /* Re-establishing Link */ | |
1346 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1347 | "1301 Re-establishing Link " | |
1348 | "Data: x%x x%x x%x\n", | |
1349 | phba->work_hs, phba->work_status[0], | |
1350 | phba->work_status[1]); | |
1351 | if (phba->work_hs & HS_FFER8) | |
1352 | /* Device Zeroization */ | |
1353 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1354 | "2861 Host Authentication device " | |
1355 | "zeroization Data:x%x x%x x%x\n", | |
1356 | phba->work_hs, phba->work_status[0], | |
1357 | phba->work_status[1]); | |
58da1ffb | 1358 | |
92d7f7b0 | 1359 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1360 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1361 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1362 | |
1363 | /* | |
1364 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1365 | * That could cause the I/Os dropped by the firmware. | |
1366 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1367 | * retry it after re-establishing link. | |
1368 | */ | |
1369 | pring = &psli->ring[psli->fcp_ring]; | |
1370 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1371 | ||
dea3101e JB |
1372 | /* |
1373 | * There was a firmware error. Take the hba offline and then | |
1374 | * attempt to restart it. | |
1375 | */ | |
618a5230 | 1376 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
dea3101e | 1377 | lpfc_offline(phba); |
41415862 | 1378 | lpfc_sli_brdrestart(phba); |
dea3101e | 1379 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1380 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1381 | return; |
1382 | } | |
46fa311e | 1383 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1384 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1385 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1386 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1387 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1388 | temp_event_data.data = (uint32_t)temperature; | |
1389 | ||
1390 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1391 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1392 | "(%ld), taking this port offline " |
1393 | "Data: x%x x%x x%x\n", | |
1394 | temperature, phba->work_hs, | |
1395 | phba->work_status[0], phba->work_status[1]); | |
1396 | ||
1397 | shost = lpfc_shost_from_vport(phba->pport); | |
1398 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1399 | sizeof(temp_event_data), | |
1400 | (char *) &temp_event_data, | |
1401 | SCSI_NL_VID_TYPE_PCI | |
1402 | | PCI_VENDOR_ID_EMULEX); | |
1403 | ||
7af67051 | 1404 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1405 | phba->over_temp_state = HBA_OVER_TEMP; |
1406 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1407 | lpfc_offline_eratt(phba); |
57127f15 | 1408 | |
dea3101e JB |
1409 | } else { |
1410 | /* The if clause above forces this code path when the status | |
9399627f JS |
1411 | * failure is a value other than FFER6. Do not call the offline |
1412 | * twice. This is the adapter hardware error path. | |
dea3101e JB |
1413 | */ |
1414 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1415 | "0457 Adapter Hardware Error " |
dea3101e | 1416 | "Data: x%x x%x x%x\n", |
e8b62011 | 1417 | phba->work_hs, |
dea3101e JB |
1418 | phba->work_status[0], phba->work_status[1]); |
1419 | ||
d2873e4c | 1420 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1421 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1422 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1423 | sizeof(event_data), (char *) &event_data, |
1424 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1425 | ||
09372820 | 1426 | lpfc_offline_eratt(phba); |
dea3101e | 1427 | } |
9399627f | 1428 | return; |
dea3101e JB |
1429 | } |
1430 | ||
618a5230 JS |
1431 | /** |
1432 | * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg | |
1433 | * @phba: pointer to lpfc hba data structure. | |
1434 | * @mbx_action: flag for mailbox shutdown action. | |
1435 | * | |
1436 | * This routine is invoked to perform an SLI4 port PCI function reset in | |
1437 | * response to port status register polling attention. It waits for port | |
1438 | * status register (ERR, RDY, RN) bits before proceeding with function reset. | |
1439 | * During this process, interrupt vectors are freed and later requested | |
1440 | * for handling possible port resource change. | |
1441 | **/ | |
1442 | static int | |
1443 | lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action) | |
1444 | { | |
1445 | int rc; | |
1446 | uint32_t intr_mode; | |
1447 | ||
1448 | /* | |
1449 | * On error status condition, driver need to wait for port | |
1450 | * ready before performing reset. | |
1451 | */ | |
1452 | rc = lpfc_sli4_pdev_status_reg_wait(phba); | |
1453 | if (!rc) { | |
1454 | /* need reset: attempt for port recovery */ | |
1455 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1456 | "2887 Reset Needed: Attempting Port " | |
1457 | "Recovery...\n"); | |
1458 | lpfc_offline_prep(phba, mbx_action); | |
1459 | lpfc_offline(phba); | |
1460 | /* release interrupt for possible resource change */ | |
1461 | lpfc_sli4_disable_intr(phba); | |
1462 | lpfc_sli_brdrestart(phba); | |
1463 | /* request and enable interrupt */ | |
1464 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
1465 | if (intr_mode == LPFC_INTR_ERROR) { | |
1466 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1467 | "3175 Failed to enable interrupt\n"); | |
1468 | return -EIO; | |
1469 | } else { | |
1470 | phba->intr_mode = intr_mode; | |
1471 | } | |
1472 | rc = lpfc_online(phba); | |
1473 | if (rc == 0) | |
1474 | lpfc_unblock_mgmt_io(phba); | |
1475 | } | |
1476 | return rc; | |
1477 | } | |
1478 | ||
da0436e9 JS |
1479 | /** |
1480 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1481 | * @phba: pointer to lpfc hba data structure. | |
1482 | * | |
1483 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1484 | * conditions. | |
1485 | **/ | |
1486 | static void | |
1487 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1488 | { | |
1489 | struct lpfc_vport *vport = phba->pport; | |
1490 | uint32_t event_data; | |
1491 | struct Scsi_Host *shost; | |
2fcee4bf | 1492 | uint32_t if_type; |
2e90f4b5 JS |
1493 | struct lpfc_register portstat_reg = {0}; |
1494 | uint32_t reg_err1, reg_err2; | |
1495 | uint32_t uerrlo_reg, uemasklo_reg; | |
1496 | uint32_t pci_rd_rc1, pci_rd_rc2; | |
73d91e50 | 1497 | int rc; |
da0436e9 JS |
1498 | |
1499 | /* If the pci channel is offline, ignore possible errors, since | |
1500 | * we cannot communicate with the pci card anyway. | |
1501 | */ | |
1502 | if (pci_channel_offline(phba->pcidev)) | |
1503 | return; | |
1504 | /* If resets are disabled then leave the HBA alone and return */ | |
1505 | if (!phba->cfg_enable_hba_reset) | |
1506 | return; | |
1507 | ||
2fcee4bf JS |
1508 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
1509 | switch (if_type) { | |
1510 | case LPFC_SLI_INTF_IF_TYPE_0: | |
2e90f4b5 JS |
1511 | pci_rd_rc1 = lpfc_readl( |
1512 | phba->sli4_hba.u.if_type0.UERRLOregaddr, | |
1513 | &uerrlo_reg); | |
1514 | pci_rd_rc2 = lpfc_readl( | |
1515 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr, | |
1516 | &uemasklo_reg); | |
1517 | /* consider PCI bus read error as pci_channel_offline */ | |
1518 | if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO) | |
1519 | return; | |
2fcee4bf JS |
1520 | lpfc_sli4_offline_eratt(phba); |
1521 | break; | |
1522 | case LPFC_SLI_INTF_IF_TYPE_2: | |
2e90f4b5 JS |
1523 | pci_rd_rc1 = lpfc_readl( |
1524 | phba->sli4_hba.u.if_type2.STATUSregaddr, | |
1525 | &portstat_reg.word0); | |
1526 | /* consider PCI bus read error as pci_channel_offline */ | |
6b5151fd JS |
1527 | if (pci_rd_rc1 == -EIO) { |
1528 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1529 | "3151 PCI bus read access failure: x%x\n", | |
1530 | readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); | |
2e90f4b5 | 1531 | return; |
6b5151fd | 1532 | } |
2e90f4b5 JS |
1533 | reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); |
1534 | reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
2fcee4bf JS |
1535 | if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { |
1536 | /* TODO: Register for Overtemp async events. */ | |
1537 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1538 | "2889 Port Overtemperature event, " | |
026abb87 | 1539 | "taking port offline\n"); |
2fcee4bf JS |
1540 | spin_lock_irq(&phba->hbalock); |
1541 | phba->over_temp_state = HBA_OVER_TEMP; | |
1542 | spin_unlock_irq(&phba->hbalock); | |
1543 | lpfc_sli4_offline_eratt(phba); | |
2e90f4b5 | 1544 | break; |
2fcee4bf | 1545 | } |
2e90f4b5 JS |
1546 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && |
1547 | reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) | |
1548 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1549 | "3143 Port Down: Firmware Restarted\n"); | |
1550 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1551 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1552 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1553 | "3144 Port Down: Debug Dump\n"); | |
1554 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1555 | reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON) | |
1556 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1557 | "3145 Port Down: Provisioning\n"); | |
618a5230 JS |
1558 | |
1559 | /* Check port status register for function reset */ | |
1560 | rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT); | |
1561 | if (rc == 0) { | |
1562 | /* don't report event on forced debug dump */ | |
1563 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1564 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1565 | return; | |
1566 | else | |
1567 | break; | |
2fcee4bf | 1568 | } |
618a5230 | 1569 | /* fall through for not able to recover */ |
6b5151fd JS |
1570 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1571 | "3152 Unrecoverable error, bring the port " | |
1572 | "offline\n"); | |
2fcee4bf JS |
1573 | lpfc_sli4_offline_eratt(phba); |
1574 | break; | |
1575 | case LPFC_SLI_INTF_IF_TYPE_1: | |
1576 | default: | |
1577 | break; | |
1578 | } | |
2e90f4b5 JS |
1579 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1580 | "3123 Report dump event to upper layer\n"); | |
1581 | /* Send an internal error event to mgmt application */ | |
1582 | lpfc_board_errevt_to_mgmt(phba); | |
1583 | ||
1584 | event_data = FC_REG_DUMP_EVENT; | |
1585 | shost = lpfc_shost_from_vport(vport); | |
1586 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1587 | sizeof(event_data), (char *) &event_data, | |
1588 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
da0436e9 JS |
1589 | } |
1590 | ||
1591 | /** | |
1592 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1593 | * @phba: pointer to lpfc HBA data structure. | |
1594 | * | |
1595 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1596 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1597 | * | |
1598 | * Return codes | |
af901ca1 | 1599 | * 0 - success. |
da0436e9 JS |
1600 | * Any other value - error. |
1601 | **/ | |
1602 | void | |
1603 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1604 | { | |
1605 | (*phba->lpfc_handle_eratt)(phba); | |
1606 | } | |
1607 | ||
e59058c4 | 1608 | /** |
3621a710 | 1609 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1610 | * @phba: pointer to lpfc hba data structure. |
1611 | * | |
1612 | * This routine is invoked from the worker thread to handle a HBA host | |
1613 | * attention link event. | |
1614 | **/ | |
dea3101e | 1615 | void |
2e0fef85 | 1616 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1617 | { |
2e0fef85 JS |
1618 | struct lpfc_vport *vport = phba->pport; |
1619 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
1620 | LPFC_MBOXQ_t *pmb; |
1621 | volatile uint32_t control; | |
1622 | struct lpfc_dmabuf *mp; | |
09372820 | 1623 | int rc = 0; |
dea3101e JB |
1624 | |
1625 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1626 | if (!pmb) { |
1627 | rc = 1; | |
dea3101e | 1628 | goto lpfc_handle_latt_err_exit; |
09372820 | 1629 | } |
dea3101e JB |
1630 | |
1631 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1632 | if (!mp) { |
1633 | rc = 2; | |
dea3101e | 1634 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1635 | } |
dea3101e JB |
1636 | |
1637 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1638 | if (!mp->virt) { |
1639 | rc = 3; | |
dea3101e | 1640 | goto lpfc_handle_latt_free_mp; |
09372820 | 1641 | } |
dea3101e | 1642 | |
6281bfe0 | 1643 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1644 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
1645 | |
1646 | psli->slistat.link_event++; | |
76a95d75 JS |
1647 | lpfc_read_topology(phba, pmb, mp); |
1648 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
2e0fef85 | 1649 | pmb->vport = vport; |
0d2b6b83 JS |
1650 | /* Block ELS IOCBs until we have processed this mbox command */ |
1651 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1652 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1653 | if (rc == MBX_NOT_FINISHED) { |
1654 | rc = 4; | |
14691150 | 1655 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1656 | } |
dea3101e JB |
1657 | |
1658 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1659 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1660 | writel(HA_LATT, phba->HAregaddr); |
1661 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1662 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1663 | |
1664 | return; | |
1665 | ||
14691150 | 1666 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1667 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1668 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
1669 | lpfc_handle_latt_free_mp: |
1670 | kfree(mp); | |
1671 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1672 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
1673 | lpfc_handle_latt_err_exit: |
1674 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1675 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1676 | psli->sli_flag |= LPFC_PROCESS_LA; |
1677 | control = readl(phba->HCregaddr); | |
1678 | control |= HC_LAINT_ENA; | |
1679 | writel(control, phba->HCregaddr); | |
1680 | readl(phba->HCregaddr); /* flush */ | |
1681 | ||
1682 | /* Clear Link Attention in HA REG */ | |
1683 | writel(HA_LATT, phba->HAregaddr); | |
1684 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1685 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1686 | lpfc_linkdown(phba); |
2e0fef85 | 1687 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1688 | |
09372820 JS |
1689 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1690 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
1691 | |
1692 | return; | |
1693 | } | |
1694 | ||
e59058c4 | 1695 | /** |
3621a710 | 1696 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1697 | * @phba: pointer to lpfc hba data structure. |
1698 | * @vpd: pointer to the vital product data. | |
1699 | * @len: length of the vital product data in bytes. | |
1700 | * | |
1701 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1702 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1703 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1704 | * | |
1705 | * Return codes | |
1706 | * 0 - pointer to the VPD passed in is NULL | |
1707 | * 1 - success | |
1708 | **/ | |
3772a991 | 1709 | int |
2e0fef85 | 1710 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
1711 | { |
1712 | uint8_t lenlo, lenhi; | |
07da60c1 | 1713 | int Length; |
dea3101e JB |
1714 | int i, j; |
1715 | int finished = 0; | |
1716 | int index = 0; | |
1717 | ||
1718 | if (!vpd) | |
1719 | return 0; | |
1720 | ||
1721 | /* Vital Product */ | |
ed957684 | 1722 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1723 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
1724 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1725 | (uint32_t) vpd[3]); | |
74b72a59 | 1726 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
1727 | switch (vpd[index]) { |
1728 | case 0x82: | |
74b72a59 | 1729 | case 0x91: |
dea3101e JB |
1730 | index += 1; |
1731 | lenlo = vpd[index]; | |
1732 | index += 1; | |
1733 | lenhi = vpd[index]; | |
1734 | index += 1; | |
1735 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1736 | index += i; | |
1737 | break; | |
1738 | case 0x90: | |
1739 | index += 1; | |
1740 | lenlo = vpd[index]; | |
1741 | index += 1; | |
1742 | lenhi = vpd[index]; | |
1743 | index += 1; | |
1744 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1745 | if (Length > len - index) |
1746 | Length = len - index; | |
dea3101e JB |
1747 | while (Length > 0) { |
1748 | /* Look for Serial Number */ | |
1749 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1750 | index += 2; | |
1751 | i = vpd[index]; | |
1752 | index += 1; | |
1753 | j = 0; | |
1754 | Length -= (3+i); | |
1755 | while(i--) { | |
1756 | phba->SerialNumber[j++] = vpd[index++]; | |
1757 | if (j == 31) | |
1758 | break; | |
1759 | } | |
1760 | phba->SerialNumber[j] = 0; | |
1761 | continue; | |
1762 | } | |
1763 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1764 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1765 | index += 2; | |
1766 | i = vpd[index]; | |
1767 | index += 1; | |
1768 | j = 0; | |
1769 | Length -= (3+i); | |
1770 | while(i--) { | |
1771 | phba->ModelDesc[j++] = vpd[index++]; | |
1772 | if (j == 255) | |
1773 | break; | |
1774 | } | |
1775 | phba->ModelDesc[j] = 0; | |
1776 | continue; | |
1777 | } | |
1778 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1779 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1780 | index += 2; | |
1781 | i = vpd[index]; | |
1782 | index += 1; | |
1783 | j = 0; | |
1784 | Length -= (3+i); | |
1785 | while(i--) { | |
1786 | phba->ModelName[j++] = vpd[index++]; | |
1787 | if (j == 79) | |
1788 | break; | |
1789 | } | |
1790 | phba->ModelName[j] = 0; | |
1791 | continue; | |
1792 | } | |
1793 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1794 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1795 | index += 2; | |
1796 | i = vpd[index]; | |
1797 | index += 1; | |
1798 | j = 0; | |
1799 | Length -= (3+i); | |
1800 | while(i--) { | |
1801 | phba->ProgramType[j++] = vpd[index++]; | |
1802 | if (j == 255) | |
1803 | break; | |
1804 | } | |
1805 | phba->ProgramType[j] = 0; | |
1806 | continue; | |
1807 | } | |
1808 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1809 | phba->vpd_flag |= VPD_PORT; | |
1810 | index += 2; | |
1811 | i = vpd[index]; | |
1812 | index += 1; | |
1813 | j = 0; | |
1814 | Length -= (3+i); | |
1815 | while(i--) { | |
cd1c8301 JS |
1816 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
1817 | (phba->sli4_hba.pport_name_sta == | |
1818 | LPFC_SLI4_PPNAME_GET)) { | |
1819 | j++; | |
1820 | index++; | |
1821 | } else | |
1822 | phba->Port[j++] = vpd[index++]; | |
1823 | if (j == 19) | |
1824 | break; | |
dea3101e | 1825 | } |
cd1c8301 JS |
1826 | if ((phba->sli_rev != LPFC_SLI_REV4) || |
1827 | (phba->sli4_hba.pport_name_sta == | |
1828 | LPFC_SLI4_PPNAME_NON)) | |
1829 | phba->Port[j] = 0; | |
dea3101e JB |
1830 | continue; |
1831 | } | |
1832 | else { | |
1833 | index += 2; | |
1834 | i = vpd[index]; | |
1835 | index += 1; | |
1836 | index += i; | |
1837 | Length -= (3 + i); | |
1838 | } | |
1839 | } | |
1840 | finished = 0; | |
1841 | break; | |
1842 | case 0x78: | |
1843 | finished = 1; | |
1844 | break; | |
1845 | default: | |
1846 | index ++; | |
1847 | break; | |
1848 | } | |
74b72a59 | 1849 | } |
dea3101e JB |
1850 | |
1851 | return(1); | |
1852 | } | |
1853 | ||
e59058c4 | 1854 | /** |
3621a710 | 1855 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1856 | * @phba: pointer to lpfc hba data structure. |
1857 | * @mdp: pointer to the data structure to hold the derived model name. | |
1858 | * @descp: pointer to the data structure to hold the derived description. | |
1859 | * | |
1860 | * This routine retrieves HBA's description based on its registered PCI device | |
1861 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1862 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1863 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1864 | * function returns, the @mdp will be filled with the model name. | |
1865 | **/ | |
dea3101e | 1866 | static void |
2e0fef85 | 1867 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
1868 | { |
1869 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1870 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1871 | int max_speed; |
84774a4d | 1872 | int GE = 0; |
da0436e9 | 1873 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 | 1874 | struct { |
a747c9ce JS |
1875 | char *name; |
1876 | char *bus; | |
1877 | char *function; | |
1878 | } m = {"<Unknown>", "", ""}; | |
74b72a59 JW |
1879 | |
1880 | if (mdp && mdp[0] != '\0' | |
1881 | && descp && descp[0] != '\0') | |
1882 | return; | |
1883 | ||
c0c11512 JS |
1884 | if (phba->lmt & LMT_16Gb) |
1885 | max_speed = 16; | |
1886 | else if (phba->lmt & LMT_10Gb) | |
74b72a59 JW |
1887 | max_speed = 10; |
1888 | else if (phba->lmt & LMT_8Gb) | |
1889 | max_speed = 8; | |
1890 | else if (phba->lmt & LMT_4Gb) | |
1891 | max_speed = 4; | |
1892 | else if (phba->lmt & LMT_2Gb) | |
1893 | max_speed = 2; | |
4169d868 | 1894 | else if (phba->lmt & LMT_1Gb) |
74b72a59 | 1895 | max_speed = 1; |
4169d868 JS |
1896 | else |
1897 | max_speed = 0; | |
dea3101e JB |
1898 | |
1899 | vp = &phba->vpd; | |
dea3101e | 1900 | |
e4adb204 | 1901 | switch (dev_id) { |
06325e74 | 1902 | case PCI_DEVICE_ID_FIREFLY: |
a747c9ce | 1903 | m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1904 | break; |
dea3101e JB |
1905 | case PCI_DEVICE_ID_SUPERFLY: |
1906 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
a747c9ce JS |
1907 | m = (typeof(m)){"LP7000", "PCI", |
1908 | "Fibre Channel Adapter"}; | |
dea3101e | 1909 | else |
a747c9ce JS |
1910 | m = (typeof(m)){"LP7000E", "PCI", |
1911 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1912 | break; |
1913 | case PCI_DEVICE_ID_DRAGONFLY: | |
a747c9ce JS |
1914 | m = (typeof(m)){"LP8000", "PCI", |
1915 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1916 | break; |
1917 | case PCI_DEVICE_ID_CENTAUR: | |
1918 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
a747c9ce JS |
1919 | m = (typeof(m)){"LP9002", "PCI", |
1920 | "Fibre Channel Adapter"}; | |
dea3101e | 1921 | else |
a747c9ce JS |
1922 | m = (typeof(m)){"LP9000", "PCI", |
1923 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1924 | break; |
1925 | case PCI_DEVICE_ID_RFLY: | |
a747c9ce JS |
1926 | m = (typeof(m)){"LP952", "PCI", |
1927 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1928 | break; |
1929 | case PCI_DEVICE_ID_PEGASUS: | |
a747c9ce JS |
1930 | m = (typeof(m)){"LP9802", "PCI-X", |
1931 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1932 | break; |
1933 | case PCI_DEVICE_ID_THOR: | |
a747c9ce JS |
1934 | m = (typeof(m)){"LP10000", "PCI-X", |
1935 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1936 | break; |
1937 | case PCI_DEVICE_ID_VIPER: | |
a747c9ce JS |
1938 | m = (typeof(m)){"LPX1000", "PCI-X", |
1939 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1940 | break; |
1941 | case PCI_DEVICE_ID_PFLY: | |
a747c9ce JS |
1942 | m = (typeof(m)){"LP982", "PCI-X", |
1943 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1944 | break; |
1945 | case PCI_DEVICE_ID_TFLY: | |
a747c9ce JS |
1946 | m = (typeof(m)){"LP1050", "PCI-X", |
1947 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1948 | break; |
1949 | case PCI_DEVICE_ID_HELIOS: | |
a747c9ce JS |
1950 | m = (typeof(m)){"LP11000", "PCI-X2", |
1951 | "Fibre Channel Adapter"}; | |
dea3101e | 1952 | break; |
e4adb204 | 1953 | case PCI_DEVICE_ID_HELIOS_SCSP: |
a747c9ce JS |
1954 | m = (typeof(m)){"LP11000-SP", "PCI-X2", |
1955 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1956 | break; |
1957 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
a747c9ce JS |
1958 | m = (typeof(m)){"LP11002-SP", "PCI-X2", |
1959 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1960 | break; |
1961 | case PCI_DEVICE_ID_NEPTUNE: | |
a747c9ce | 1962 | m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1963 | break; |
1964 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
a747c9ce | 1965 | m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1966 | break; |
1967 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
a747c9ce | 1968 | m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 | 1969 | break; |
dea3101e | 1970 | case PCI_DEVICE_ID_BMID: |
a747c9ce | 1971 | m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
1972 | break; |
1973 | case PCI_DEVICE_ID_BSMB: | |
a747c9ce | 1974 | m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
1975 | break; |
1976 | case PCI_DEVICE_ID_ZEPHYR: | |
a747c9ce | 1977 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1978 | break; |
e4adb204 | 1979 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
a747c9ce | 1980 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1981 | break; |
1982 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a747c9ce | 1983 | m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; |
a257bf90 | 1984 | GE = 1; |
e4adb204 | 1985 | break; |
dea3101e | 1986 | case PCI_DEVICE_ID_ZMID: |
a747c9ce | 1987 | m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
1988 | break; |
1989 | case PCI_DEVICE_ID_ZSMB: | |
a747c9ce | 1990 | m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
1991 | break; |
1992 | case PCI_DEVICE_ID_LP101: | |
a747c9ce | 1993 | m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"}; |
dea3101e JB |
1994 | break; |
1995 | case PCI_DEVICE_ID_LP10000S: | |
a747c9ce | 1996 | m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1997 | break; |
e4adb204 | 1998 | case PCI_DEVICE_ID_LP11000S: |
a747c9ce | 1999 | m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"}; |
18a3b596 | 2000 | break; |
e4adb204 | 2001 | case PCI_DEVICE_ID_LPE11000S: |
a747c9ce | 2002 | m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"}; |
5cc36b3c | 2003 | break; |
b87eab38 | 2004 | case PCI_DEVICE_ID_SAT: |
a747c9ce | 2005 | m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2006 | break; |
2007 | case PCI_DEVICE_ID_SAT_MID: | |
a747c9ce | 2008 | m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2009 | break; |
2010 | case PCI_DEVICE_ID_SAT_SMB: | |
a747c9ce | 2011 | m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2012 | break; |
2013 | case PCI_DEVICE_ID_SAT_DCSP: | |
a747c9ce | 2014 | m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2015 | break; |
2016 | case PCI_DEVICE_ID_SAT_SCSP: | |
a747c9ce | 2017 | m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2018 | break; |
2019 | case PCI_DEVICE_ID_SAT_S: | |
a747c9ce | 2020 | m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 | 2021 | break; |
84774a4d | 2022 | case PCI_DEVICE_ID_HORNET: |
a747c9ce | 2023 | m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"}; |
84774a4d JS |
2024 | GE = 1; |
2025 | break; | |
2026 | case PCI_DEVICE_ID_PROTEUS_VF: | |
a747c9ce JS |
2027 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
2028 | "Fibre Channel Adapter"}; | |
84774a4d JS |
2029 | break; |
2030 | case PCI_DEVICE_ID_PROTEUS_PF: | |
a747c9ce JS |
2031 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
2032 | "Fibre Channel Adapter"}; | |
84774a4d JS |
2033 | break; |
2034 | case PCI_DEVICE_ID_PROTEUS_S: | |
a747c9ce JS |
2035 | m = (typeof(m)){"LPemv12002-S", "PCIe IOV", |
2036 | "Fibre Channel Adapter"}; | |
84774a4d | 2037 | break; |
da0436e9 JS |
2038 | case PCI_DEVICE_ID_TIGERSHARK: |
2039 | oneConnect = 1; | |
a747c9ce | 2040 | m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; |
da0436e9 | 2041 | break; |
a747c9ce | 2042 | case PCI_DEVICE_ID_TOMCAT: |
6669f9bb | 2043 | oneConnect = 1; |
a747c9ce JS |
2044 | m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; |
2045 | break; | |
2046 | case PCI_DEVICE_ID_FALCON: | |
2047 | m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", | |
2048 | "EmulexSecure Fibre"}; | |
6669f9bb | 2049 | break; |
98fc5dd9 JS |
2050 | case PCI_DEVICE_ID_BALIUS: |
2051 | m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", | |
2052 | "Fibre Channel Adapter"}; | |
2053 | break; | |
085c647c | 2054 | case PCI_DEVICE_ID_LANCER_FC: |
c0c11512 JS |
2055 | case PCI_DEVICE_ID_LANCER_FC_VF: |
2056 | m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"}; | |
085c647c JS |
2057 | break; |
2058 | case PCI_DEVICE_ID_LANCER_FCOE: | |
c0c11512 | 2059 | case PCI_DEVICE_ID_LANCER_FCOE_VF: |
085c647c | 2060 | oneConnect = 1; |
079b5c91 | 2061 | m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; |
085c647c | 2062 | break; |
f8cafd38 JS |
2063 | case PCI_DEVICE_ID_SKYHAWK: |
2064 | case PCI_DEVICE_ID_SKYHAWK_VF: | |
2065 | oneConnect = 1; | |
2066 | m = (typeof(m)){"OCe14000", "PCIe", "FCoE"}; | |
2067 | break; | |
5cc36b3c | 2068 | default: |
a747c9ce | 2069 | m = (typeof(m)){"Unknown", "", ""}; |
e4adb204 | 2070 | break; |
dea3101e | 2071 | } |
74b72a59 JW |
2072 | |
2073 | if (mdp && mdp[0] == '\0') | |
2074 | snprintf(mdp, 79,"%s", m.name); | |
c0c11512 JS |
2075 | /* |
2076 | * oneConnect hba requires special processing, they are all initiators | |
da0436e9 JS |
2077 | * and we put the port number on the end |
2078 | */ | |
2079 | if (descp && descp[0] == '\0') { | |
2080 | if (oneConnect) | |
2081 | snprintf(descp, 255, | |
4169d868 | 2082 | "Emulex OneConnect %s, %s Initiator %s", |
a747c9ce | 2083 | m.name, m.function, |
da0436e9 | 2084 | phba->Port); |
4169d868 JS |
2085 | else if (max_speed == 0) |
2086 | snprintf(descp, 255, | |
2087 | "Emulex %s %s %s ", | |
2088 | m.name, m.bus, m.function); | |
da0436e9 JS |
2089 | else |
2090 | snprintf(descp, 255, | |
2091 | "Emulex %s %d%s %s %s", | |
a747c9ce JS |
2092 | m.name, max_speed, (GE) ? "GE" : "Gb", |
2093 | m.bus, m.function); | |
da0436e9 | 2094 | } |
dea3101e JB |
2095 | } |
2096 | ||
e59058c4 | 2097 | /** |
3621a710 | 2098 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
2099 | * @phba: pointer to lpfc hba data structure. |
2100 | * @pring: pointer to a IOCB ring. | |
2101 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
2102 | * | |
2103 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
2104 | * descriptors specified by the cnt argument to the given IOCB ring. | |
2105 | * | |
2106 | * Return codes | |
2107 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
2108 | **/ | |
dea3101e | 2109 | int |
495a714c | 2110 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e JB |
2111 | { |
2112 | IOCB_t *icmd; | |
0bd4ca25 | 2113 | struct lpfc_iocbq *iocb; |
dea3101e JB |
2114 | struct lpfc_dmabuf *mp1, *mp2; |
2115 | ||
2116 | cnt += pring->missbufcnt; | |
2117 | ||
2118 | /* While there are buffers to post */ | |
2119 | while (cnt > 0) { | |
2120 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 2121 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
2122 | if (iocb == NULL) { |
2123 | pring->missbufcnt = cnt; | |
2124 | return cnt; | |
2125 | } | |
dea3101e JB |
2126 | icmd = &iocb->iocb; |
2127 | ||
2128 | /* 2 buffers can be posted per command */ | |
2129 | /* Allocate buffer to post */ | |
2130 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2131 | if (mp1) | |
98c9ea5c JS |
2132 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
2133 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 2134 | kfree(mp1); |
604a3e30 | 2135 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2136 | pring->missbufcnt = cnt; |
2137 | return cnt; | |
2138 | } | |
2139 | ||
2140 | INIT_LIST_HEAD(&mp1->list); | |
2141 | /* Allocate buffer to post */ | |
2142 | if (cnt > 1) { | |
2143 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2144 | if (mp2) | |
2145 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
2146 | &mp2->phys); | |
98c9ea5c | 2147 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 2148 | kfree(mp2); |
dea3101e JB |
2149 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2150 | kfree(mp1); | |
604a3e30 | 2151 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2152 | pring->missbufcnt = cnt; |
2153 | return cnt; | |
2154 | } | |
2155 | ||
2156 | INIT_LIST_HEAD(&mp2->list); | |
2157 | } else { | |
2158 | mp2 = NULL; | |
2159 | } | |
2160 | ||
2161 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
2162 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
2163 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
2164 | icmd->ulpBdeCount = 1; | |
2165 | cnt--; | |
2166 | if (mp2) { | |
2167 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
2168 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
2169 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
2170 | cnt--; | |
2171 | icmd->ulpBdeCount = 2; | |
2172 | } | |
2173 | ||
2174 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
2175 | icmd->ulpLe = 1; | |
2176 | ||
3772a991 JS |
2177 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
2178 | IOCB_ERROR) { | |
dea3101e JB |
2179 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2180 | kfree(mp1); | |
2181 | cnt++; | |
2182 | if (mp2) { | |
2183 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
2184 | kfree(mp2); | |
2185 | cnt++; | |
2186 | } | |
604a3e30 | 2187 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2188 | pring->missbufcnt = cnt; |
dea3101e JB |
2189 | return cnt; |
2190 | } | |
dea3101e | 2191 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 2192 | if (mp2) |
dea3101e | 2193 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
2194 | } |
2195 | pring->missbufcnt = 0; | |
2196 | return 0; | |
2197 | } | |
2198 | ||
e59058c4 | 2199 | /** |
3621a710 | 2200 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
2201 | * @phba: pointer to lpfc hba data structure. |
2202 | * | |
2203 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
2204 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
2205 | * set to 64 IOCBs. | |
2206 | * | |
2207 | * Return codes | |
2208 | * 0 - success (currently always success) | |
2209 | **/ | |
dea3101e | 2210 | static int |
2e0fef85 | 2211 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
2212 | { |
2213 | struct lpfc_sli *psli = &phba->sli; | |
2214 | ||
2215 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 2216 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e JB |
2217 | /* Ring 2 - FCP no buffers needed */ |
2218 | ||
2219 | return 0; | |
2220 | } | |
2221 | ||
2222 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
2223 | ||
e59058c4 | 2224 | /** |
3621a710 | 2225 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
2226 | * @HashResultPointer: pointer to an array as hash table. |
2227 | * | |
2228 | * This routine sets up the initial values to the array of hash table entries | |
2229 | * for the LC HBAs. | |
2230 | **/ | |
dea3101e JB |
2231 | static void |
2232 | lpfc_sha_init(uint32_t * HashResultPointer) | |
2233 | { | |
2234 | HashResultPointer[0] = 0x67452301; | |
2235 | HashResultPointer[1] = 0xEFCDAB89; | |
2236 | HashResultPointer[2] = 0x98BADCFE; | |
2237 | HashResultPointer[3] = 0x10325476; | |
2238 | HashResultPointer[4] = 0xC3D2E1F0; | |
2239 | } | |
2240 | ||
e59058c4 | 2241 | /** |
3621a710 | 2242 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
2243 | * @HashResultPointer: pointer to an initial/result hash table. |
2244 | * @HashWorkingPointer: pointer to an working hash table. | |
2245 | * | |
2246 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
2247 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
2248 | * The results are putting back to the initial hash table, returned through | |
2249 | * the @HashResultPointer as the result hash table. | |
2250 | **/ | |
dea3101e JB |
2251 | static void |
2252 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
2253 | { | |
2254 | int t; | |
2255 | uint32_t TEMP; | |
2256 | uint32_t A, B, C, D, E; | |
2257 | t = 16; | |
2258 | do { | |
2259 | HashWorkingPointer[t] = | |
2260 | S(1, | |
2261 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
2262 | 8] ^ | |
2263 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
2264 | } while (++t <= 79); | |
2265 | t = 0; | |
2266 | A = HashResultPointer[0]; | |
2267 | B = HashResultPointer[1]; | |
2268 | C = HashResultPointer[2]; | |
2269 | D = HashResultPointer[3]; | |
2270 | E = HashResultPointer[4]; | |
2271 | ||
2272 | do { | |
2273 | if (t < 20) { | |
2274 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
2275 | } else if (t < 40) { | |
2276 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
2277 | } else if (t < 60) { | |
2278 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
2279 | } else { | |
2280 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
2281 | } | |
2282 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
2283 | E = D; | |
2284 | D = C; | |
2285 | C = S(30, B); | |
2286 | B = A; | |
2287 | A = TEMP; | |
2288 | } while (++t <= 79); | |
2289 | ||
2290 | HashResultPointer[0] += A; | |
2291 | HashResultPointer[1] += B; | |
2292 | HashResultPointer[2] += C; | |
2293 | HashResultPointer[3] += D; | |
2294 | HashResultPointer[4] += E; | |
2295 | ||
2296 | } | |
2297 | ||
e59058c4 | 2298 | /** |
3621a710 | 2299 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
2300 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
2301 | * @HashWorking: pointer to the entry of the working hash array. | |
2302 | * | |
2303 | * This routine calculates the working hash array referred by @HashWorking | |
2304 | * from the challenge random numbers associated with the host, referred by | |
2305 | * @RandomChallenge. The result is put into the entry of the working hash | |
2306 | * array and returned by reference through @HashWorking. | |
2307 | **/ | |
dea3101e JB |
2308 | static void |
2309 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
2310 | { | |
2311 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
2312 | } | |
2313 | ||
e59058c4 | 2314 | /** |
3621a710 | 2315 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
2316 | * @phba: pointer to lpfc hba data structure. |
2317 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
2318 | * | |
2319 | * This routine performs the special handling for LC HBA initialization. | |
2320 | **/ | |
dea3101e JB |
2321 | void |
2322 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
2323 | { | |
2324 | int t; | |
2325 | uint32_t *HashWorking; | |
2e0fef85 | 2326 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 2327 | |
bbfbbbc1 | 2328 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
2329 | if (!HashWorking) |
2330 | return; | |
2331 | ||
dea3101e JB |
2332 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
2333 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
2334 | ||
2335 | for (t = 0; t < 7; t++) | |
2336 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
2337 | ||
2338 | lpfc_sha_init(hbainit); | |
2339 | lpfc_sha_iterate(hbainit, HashWorking); | |
2340 | kfree(HashWorking); | |
2341 | } | |
2342 | ||
e59058c4 | 2343 | /** |
3621a710 | 2344 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
2345 | * @vport: pointer to a virtual N_Port data structure. |
2346 | * | |
2347 | * This routine performs the necessary cleanups before deleting the @vport. | |
2348 | * It invokes the discovery state machine to perform necessary state | |
2349 | * transitions and to release the ndlps associated with the @vport. Note, | |
2350 | * the physical port is treated as @vport 0. | |
2351 | **/ | |
87af33fe | 2352 | void |
2e0fef85 | 2353 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 2354 | { |
87af33fe | 2355 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2356 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 2357 | int i = 0; |
dea3101e | 2358 | |
87af33fe JS |
2359 | if (phba->link_state > LPFC_LINK_DOWN) |
2360 | lpfc_port_link_failure(vport); | |
2361 | ||
2362 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
2363 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
2364 | ndlp = lpfc_enable_node(vport, ndlp, | |
2365 | NLP_STE_UNUSED_NODE); | |
2366 | if (!ndlp) | |
2367 | continue; | |
2368 | spin_lock_irq(&phba->ndlp_lock); | |
2369 | NLP_SET_FREE_REQ(ndlp); | |
2370 | spin_unlock_irq(&phba->ndlp_lock); | |
2371 | /* Trigger the release of the ndlp memory */ | |
2372 | lpfc_nlp_put(ndlp); | |
2373 | continue; | |
2374 | } | |
2375 | spin_lock_irq(&phba->ndlp_lock); | |
2376 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2377 | /* The ndlp should not be in memory free mode already */ | |
2378 | spin_unlock_irq(&phba->ndlp_lock); | |
2379 | continue; | |
2380 | } else | |
2381 | /* Indicate request for freeing ndlp memory */ | |
2382 | NLP_SET_FREE_REQ(ndlp); | |
2383 | spin_unlock_irq(&phba->ndlp_lock); | |
2384 | ||
58da1ffb JS |
2385 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
2386 | ndlp->nlp_DID == Fabric_DID) { | |
2387 | /* Just free up ndlp with Fabric_DID for vports */ | |
2388 | lpfc_nlp_put(ndlp); | |
2389 | continue; | |
2390 | } | |
2391 | ||
eff4a01b JS |
2392 | /* take care of nodes in unused state before the state |
2393 | * machine taking action. | |
2394 | */ | |
2395 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { | |
2396 | lpfc_nlp_put(ndlp); | |
2397 | continue; | |
2398 | } | |
2399 | ||
87af33fe JS |
2400 | if (ndlp->nlp_type & NLP_FABRIC) |
2401 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
2402 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 2403 | |
87af33fe JS |
2404 | lpfc_disc_state_machine(vport, ndlp, NULL, |
2405 | NLP_EVT_DEVICE_RM); | |
2406 | } | |
2407 | ||
a8adb832 JS |
2408 | /* At this point, ALL ndlp's should be gone |
2409 | * because of the previous NLP_EVT_DEVICE_RM. | |
2410 | * Lets wait for this to happen, if needed. | |
2411 | */ | |
87af33fe | 2412 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 2413 | if (i++ > 3000) { |
87af33fe | 2414 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 2415 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
2416 | list_for_each_entry_safe(ndlp, next_ndlp, |
2417 | &vport->fc_nodes, nlp_listp) { | |
2418 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
2419 | LOG_NODE, | |
d7c255b2 | 2420 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
2421 | "usgmap:x%x refcnt:%d\n", |
2422 | ndlp->nlp_DID, (void *)ndlp, | |
2423 | ndlp->nlp_usg_map, | |
2424 | atomic_read( | |
2425 | &ndlp->kref.refcount)); | |
2426 | } | |
a8adb832 | 2427 | break; |
87af33fe | 2428 | } |
a8adb832 JS |
2429 | |
2430 | /* Wait for any activity on ndlps to settle */ | |
2431 | msleep(10); | |
87af33fe | 2432 | } |
1151e3ec | 2433 | lpfc_cleanup_vports_rrqs(vport, NULL); |
dea3101e JB |
2434 | } |
2435 | ||
e59058c4 | 2436 | /** |
3621a710 | 2437 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2438 | * @vport: pointer to a virtual N_Port data structure. |
2439 | * | |
2440 | * This routine stops all the timers associated with a @vport. This function | |
2441 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2442 | * port is treated as @vport 0. | |
2443 | **/ | |
92d7f7b0 JS |
2444 | void |
2445 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2446 | { |
92d7f7b0 JS |
2447 | del_timer_sync(&vport->els_tmofunc); |
2448 | del_timer_sync(&vport->fc_fdmitmo); | |
92494144 | 2449 | del_timer_sync(&vport->delayed_disc_tmo); |
92d7f7b0 JS |
2450 | lpfc_can_disctmo(vport); |
2451 | return; | |
dea3101e JB |
2452 | } |
2453 | ||
ecfd03c6 JS |
2454 | /** |
2455 | * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2456 | * @phba: pointer to lpfc hba data structure. | |
2457 | * | |
2458 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. The | |
2459 | * caller of this routine should already hold the host lock. | |
2460 | **/ | |
2461 | void | |
2462 | __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2463 | { | |
5ac6b303 JS |
2464 | /* Clear pending FCF rediscovery wait flag */ |
2465 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
2466 | ||
ecfd03c6 JS |
2467 | /* Now, try to stop the timer */ |
2468 | del_timer(&phba->fcf.redisc_wait); | |
2469 | } | |
2470 | ||
2471 | /** | |
2472 | * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2473 | * @phba: pointer to lpfc hba data structure. | |
2474 | * | |
2475 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. It | |
2476 | * checks whether the FCF rediscovery wait timer is pending with the host | |
2477 | * lock held before proceeding with disabling the timer and clearing the | |
2478 | * wait timer pendig flag. | |
2479 | **/ | |
2480 | void | |
2481 | lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2482 | { | |
2483 | spin_lock_irq(&phba->hbalock); | |
2484 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
2485 | /* FCF rediscovery timer already fired or stopped */ | |
2486 | spin_unlock_irq(&phba->hbalock); | |
2487 | return; | |
2488 | } | |
2489 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
5ac6b303 JS |
2490 | /* Clear failover in progress flags */ |
2491 | phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC); | |
ecfd03c6 JS |
2492 | spin_unlock_irq(&phba->hbalock); |
2493 | } | |
2494 | ||
e59058c4 | 2495 | /** |
3772a991 | 2496 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2497 | * @phba: pointer to lpfc hba data structure. |
2498 | * | |
2499 | * This routine stops all the timers associated with a HBA. This function is | |
2500 | * invoked before either putting a HBA offline or unloading the driver. | |
2501 | **/ | |
3772a991 JS |
2502 | void |
2503 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2504 | { |
51ef4c26 | 2505 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2506 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2507 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2508 | del_timer_sync(&phba->eratt_poll); |
3772a991 | 2509 | del_timer_sync(&phba->hb_tmofunc); |
1151e3ec JS |
2510 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2511 | del_timer_sync(&phba->rrq_tmr); | |
2512 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
2513 | } | |
3772a991 JS |
2514 | phba->hb_outstanding = 0; |
2515 | ||
2516 | switch (phba->pci_dev_grp) { | |
2517 | case LPFC_PCI_DEV_LP: | |
2518 | /* Stop any LightPulse device specific driver timers */ | |
2519 | del_timer_sync(&phba->fcp_poll_timer); | |
2520 | break; | |
2521 | case LPFC_PCI_DEV_OC: | |
2522 | /* Stop any OneConnect device sepcific driver timers */ | |
ecfd03c6 | 2523 | lpfc_sli4_stop_fcf_redisc_wait_timer(phba); |
3772a991 JS |
2524 | break; |
2525 | default: | |
2526 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2527 | "0297 Invalid device group (x%x)\n", | |
2528 | phba->pci_dev_grp); | |
2529 | break; | |
2530 | } | |
2e0fef85 | 2531 | return; |
dea3101e JB |
2532 | } |
2533 | ||
e59058c4 | 2534 | /** |
3621a710 | 2535 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2536 | * @phba: pointer to lpfc hba data structure. |
2537 | * | |
2538 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2539 | * management interface is marked as blocked, all the user space access to | |
2540 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2541 | * all be blocked. The HBA is set to block the management interface when the | |
2542 | * driver prepares the HBA interface for online or offline. | |
2543 | **/ | |
a6ababd2 | 2544 | static void |
618a5230 | 2545 | lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) |
a6ababd2 AB |
2546 | { |
2547 | unsigned long iflag; | |
6e7288d9 JS |
2548 | uint8_t actcmd = MBX_HEARTBEAT; |
2549 | unsigned long timeout; | |
2550 | ||
a6ababd2 AB |
2551 | spin_lock_irqsave(&phba->hbalock, iflag); |
2552 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
618a5230 JS |
2553 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
2554 | if (mbx_action == LPFC_MBX_NO_WAIT) | |
2555 | return; | |
2556 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; | |
2557 | spin_lock_irqsave(&phba->hbalock, iflag); | |
a183a15f | 2558 | if (phba->sli.mbox_active) { |
6e7288d9 | 2559 | actcmd = phba->sli.mbox_active->u.mb.mbxCommand; |
a183a15f JS |
2560 | /* Determine how long we might wait for the active mailbox |
2561 | * command to be gracefully completed by firmware. | |
2562 | */ | |
2563 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
2564 | phba->sli.mbox_active) * 1000) + jiffies; | |
2565 | } | |
a6ababd2 | 2566 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a183a15f | 2567 | |
6e7288d9 JS |
2568 | /* Wait for the outstnading mailbox command to complete */ |
2569 | while (phba->sli.mbox_active) { | |
2570 | /* Check active mailbox complete status every 2ms */ | |
2571 | msleep(2); | |
2572 | if (time_after(jiffies, timeout)) { | |
2573 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2574 | "2813 Mgmt IO is Blocked %x " | |
2575 | "- mbox cmd %x still active\n", | |
2576 | phba->sli.sli_flag, actcmd); | |
2577 | break; | |
2578 | } | |
2579 | } | |
a6ababd2 AB |
2580 | } |
2581 | ||
6b5151fd JS |
2582 | /** |
2583 | * lpfc_sli4_node_prep - Assign RPIs for active nodes. | |
2584 | * @phba: pointer to lpfc hba data structure. | |
2585 | * | |
2586 | * Allocate RPIs for all active remote nodes. This is needed whenever | |
2587 | * an SLI4 adapter is reset and the driver is not unloading. Its purpose | |
2588 | * is to fixup the temporary rpi assignments. | |
2589 | **/ | |
2590 | void | |
2591 | lpfc_sli4_node_prep(struct lpfc_hba *phba) | |
2592 | { | |
2593 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2594 | struct lpfc_vport **vports; | |
2595 | int i; | |
2596 | ||
2597 | if (phba->sli_rev != LPFC_SLI_REV4) | |
2598 | return; | |
2599 | ||
2600 | vports = lpfc_create_vport_work_array(phba); | |
2601 | if (vports != NULL) { | |
2602 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2603 | if (vports[i]->load_flag & FC_UNLOADING) | |
2604 | continue; | |
2605 | ||
2606 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2607 | &vports[i]->fc_nodes, | |
2608 | nlp_listp) { | |
2609 | if (NLP_CHK_NODE_ACT(ndlp)) | |
2610 | ndlp->nlp_rpi = | |
2611 | lpfc_sli4_alloc_rpi(phba); | |
2612 | } | |
2613 | } | |
2614 | } | |
2615 | lpfc_destroy_vport_work_array(phba, vports); | |
2616 | } | |
2617 | ||
e59058c4 | 2618 | /** |
3621a710 | 2619 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
2620 | * @phba: pointer to lpfc hba data structure. |
2621 | * | |
2622 | * This routine initializes the HBA and brings a HBA online. During this | |
2623 | * process, the management interface is blocked to prevent user space access | |
2624 | * to the HBA interfering with the driver initialization. | |
2625 | * | |
2626 | * Return codes | |
2627 | * 0 - successful | |
2628 | * 1 - failed | |
2629 | **/ | |
dea3101e | 2630 | int |
2e0fef85 | 2631 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 2632 | { |
372bd282 | 2633 | struct lpfc_vport *vport; |
549e55cd JS |
2634 | struct lpfc_vport **vports; |
2635 | int i; | |
2e0fef85 | 2636 | |
dea3101e JB |
2637 | if (!phba) |
2638 | return 0; | |
372bd282 | 2639 | vport = phba->pport; |
dea3101e | 2640 | |
2e0fef85 | 2641 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
2642 | return 0; |
2643 | ||
ed957684 | 2644 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2645 | "0458 Bring Adapter online\n"); |
dea3101e | 2646 | |
618a5230 | 2647 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
46fa311e JS |
2648 | |
2649 | if (!lpfc_sli_queue_setup(phba)) { | |
2650 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2651 | return 1; |
46fa311e | 2652 | } |
dea3101e | 2653 | |
da0436e9 JS |
2654 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2655 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
2656 | lpfc_unblock_mgmt_io(phba); | |
2657 | return 1; | |
2658 | } | |
2659 | } else { | |
2660 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ | |
2661 | lpfc_unblock_mgmt_io(phba); | |
2662 | return 1; | |
2663 | } | |
46fa311e | 2664 | } |
dea3101e | 2665 | |
549e55cd JS |
2666 | vports = lpfc_create_vport_work_array(phba); |
2667 | if (vports != NULL) | |
da0436e9 | 2668 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
2669 | struct Scsi_Host *shost; |
2670 | shost = lpfc_shost_from_vport(vports[i]); | |
2671 | spin_lock_irq(shost->host_lock); | |
2672 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
2673 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2674 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1c6834a7 JS |
2675 | if (phba->sli_rev == LPFC_SLI_REV4) |
2676 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; | |
549e55cd JS |
2677 | spin_unlock_irq(shost->host_lock); |
2678 | } | |
09372820 | 2679 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2680 | |
46fa311e | 2681 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
2682 | return 0; |
2683 | } | |
2684 | ||
e59058c4 | 2685 | /** |
3621a710 | 2686 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
2687 | * @phba: pointer to lpfc hba data structure. |
2688 | * | |
2689 | * This routine marks a HBA's management interface as not blocked. Once the | |
2690 | * HBA's management interface is marked as not blocked, all the user space | |
2691 | * access to the HBA, whether they are from sysfs interface or libdfc | |
2692 | * interface will be allowed. The HBA is set to block the management interface | |
2693 | * when the driver prepares the HBA interface for online or offline and then | |
2694 | * set to unblock the management interface afterwards. | |
2695 | **/ | |
46fa311e JS |
2696 | void |
2697 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
2698 | { | |
2699 | unsigned long iflag; | |
2700 | ||
2e0fef85 JS |
2701 | spin_lock_irqsave(&phba->hbalock, iflag); |
2702 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
2703 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
2704 | } |
2705 | ||
e59058c4 | 2706 | /** |
3621a710 | 2707 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
2708 | * @phba: pointer to lpfc hba data structure. |
2709 | * | |
2710 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
2711 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
2712 | * queue to make it ready to be brought offline. | |
2713 | **/ | |
46fa311e | 2714 | void |
618a5230 | 2715 | lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) |
46fa311e | 2716 | { |
2e0fef85 | 2717 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 2718 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe | 2719 | struct lpfc_vport **vports; |
72100cc4 | 2720 | struct Scsi_Host *shost; |
87af33fe | 2721 | int i; |
dea3101e | 2722 | |
2e0fef85 | 2723 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2724 | return; |
dea3101e | 2725 | |
618a5230 | 2726 | lpfc_block_mgmt_io(phba, mbx_action); |
dea3101e JB |
2727 | |
2728 | lpfc_linkdown(phba); | |
2729 | ||
87af33fe JS |
2730 | /* Issue an unreg_login to all nodes on all vports */ |
2731 | vports = lpfc_create_vport_work_array(phba); | |
2732 | if (vports != NULL) { | |
da0436e9 | 2733 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
a8adb832 JS |
2734 | if (vports[i]->load_flag & FC_UNLOADING) |
2735 | continue; | |
72100cc4 JS |
2736 | shost = lpfc_shost_from_vport(vports[i]); |
2737 | spin_lock_irq(shost->host_lock); | |
c868595d | 2738 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
695a814e JS |
2739 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
2740 | vports[i]->fc_flag &= ~FC_VFI_REGISTERED; | |
72100cc4 | 2741 | spin_unlock_irq(shost->host_lock); |
695a814e | 2742 | |
87af33fe JS |
2743 | shost = lpfc_shost_from_vport(vports[i]); |
2744 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2745 | &vports[i]->fc_nodes, | |
2746 | nlp_listp) { | |
e47c9093 JS |
2747 | if (!NLP_CHK_NODE_ACT(ndlp)) |
2748 | continue; | |
87af33fe JS |
2749 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2750 | continue; | |
2751 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2752 | lpfc_disc_state_machine(vports[i], ndlp, | |
2753 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
2754 | lpfc_disc_state_machine(vports[i], ndlp, | |
2755 | NULL, NLP_EVT_DEVICE_RM); | |
2756 | } | |
2757 | spin_lock_irq(shost->host_lock); | |
2758 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
401ee0c1 | 2759 | spin_unlock_irq(shost->host_lock); |
6b5151fd JS |
2760 | /* |
2761 | * Whenever an SLI4 port goes offline, free the | |
401ee0c1 JS |
2762 | * RPI. Get a new RPI when the adapter port |
2763 | * comes back online. | |
6b5151fd JS |
2764 | */ |
2765 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2766 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); | |
87af33fe JS |
2767 | lpfc_unreg_rpi(vports[i], ndlp); |
2768 | } | |
2769 | } | |
2770 | } | |
09372820 | 2771 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2772 | |
618a5230 | 2773 | lpfc_sli_mbox_sys_shutdown(phba, mbx_action); |
46fa311e JS |
2774 | } |
2775 | ||
e59058c4 | 2776 | /** |
3621a710 | 2777 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
2778 | * @phba: pointer to lpfc hba data structure. |
2779 | * | |
2780 | * This routine actually brings a HBA offline. It stops all the timers | |
2781 | * associated with the HBA, brings down the SLI layer, and eventually | |
2782 | * marks the HBA as in offline state for the upper layer protocol. | |
2783 | **/ | |
46fa311e | 2784 | void |
2e0fef85 | 2785 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 2786 | { |
549e55cd JS |
2787 | struct Scsi_Host *shost; |
2788 | struct lpfc_vport **vports; | |
2789 | int i; | |
46fa311e | 2790 | |
549e55cd | 2791 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2792 | return; |
688a8863 | 2793 | |
da0436e9 JS |
2794 | /* stop port and all timers associated with this hba */ |
2795 | lpfc_stop_port(phba); | |
51ef4c26 JS |
2796 | vports = lpfc_create_vport_work_array(phba); |
2797 | if (vports != NULL) | |
da0436e9 | 2798 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 2799 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2800 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2801 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2802 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
2803 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2804 | now. */ | |
2805 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2806 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2807 | phba->work_ha = 0; |
92d7f7b0 | 2808 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2809 | vports = lpfc_create_vport_work_array(phba); |
2810 | if (vports != NULL) | |
da0436e9 | 2811 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 2812 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2813 | spin_lock_irq(shost->host_lock); |
2814 | vports[i]->work_port_events = 0; | |
2815 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2816 | spin_unlock_irq(shost->host_lock); | |
2817 | } | |
09372820 | 2818 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
2819 | } |
2820 | ||
e59058c4 | 2821 | /** |
3621a710 | 2822 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2823 | * @phba: pointer to lpfc hba data structure. |
2824 | * | |
2825 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2826 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2827 | * the internal resources before the device is removed from the system. | |
e59058c4 | 2828 | **/ |
8a9d2e80 | 2829 | static void |
2e0fef85 | 2830 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
2831 | { |
2832 | struct lpfc_scsi_buf *sb, *sb_next; | |
2833 | struct lpfc_iocbq *io, *io_next; | |
2834 | ||
2e0fef85 | 2835 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2836 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1c6f4ef5 | 2837 | spin_lock(&phba->scsi_buf_list_lock); |
dea3101e JB |
2838 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { |
2839 | list_del(&sb->list); | |
2840 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2841 | sb->dma_handle); |
dea3101e JB |
2842 | kfree(sb); |
2843 | phba->total_scsi_bufs--; | |
2844 | } | |
1c6f4ef5 | 2845 | spin_unlock(&phba->scsi_buf_list_lock); |
dea3101e JB |
2846 | |
2847 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2848 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2849 | list_del(&io->list); | |
2850 | kfree(io); | |
2851 | phba->total_iocbq_bufs--; | |
2852 | } | |
6d368e53 | 2853 | |
2e0fef85 | 2854 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
2855 | } |
2856 | ||
2857 | /** | |
2858 | * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping | |
2859 | * @phba: pointer to lpfc hba data structure. | |
2860 | * | |
2861 | * This routine first calculates the sizes of the current els and allocated | |
2862 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
2863 | * XRIs assigned due to port function reset. During port initialization, the | |
2864 | * current els and allocated scsi sgl lists are 0s. | |
2865 | * | |
2866 | * Return codes | |
2867 | * 0 - successful (for now, it always returns 0) | |
2868 | **/ | |
2869 | int | |
2870 | lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba) | |
2871 | { | |
2872 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
2873 | struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL; | |
2874 | uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt; | |
2875 | LIST_HEAD(els_sgl_list); | |
2876 | LIST_HEAD(scsi_sgl_list); | |
2877 | int rc; | |
2878 | ||
2879 | /* | |
2880 | * update on pci function's els xri-sgl list | |
2881 | */ | |
2882 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
2883 | if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { | |
2884 | /* els xri-sgl expanded */ | |
2885 | xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; | |
2886 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2887 | "3157 ELS xri-sgl count increased from " | |
2888 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
2889 | els_xri_cnt); | |
2890 | /* allocate the additional els sgls */ | |
2891 | for (i = 0; i < xri_cnt; i++) { | |
2892 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
2893 | GFP_KERNEL); | |
2894 | if (sglq_entry == NULL) { | |
2895 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2896 | "2562 Failure to allocate an " | |
2897 | "ELS sgl entry:%d\n", i); | |
2898 | rc = -ENOMEM; | |
2899 | goto out_free_mem; | |
2900 | } | |
2901 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
2902 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, | |
2903 | &sglq_entry->phys); | |
2904 | if (sglq_entry->virt == NULL) { | |
2905 | kfree(sglq_entry); | |
2906 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2907 | "2563 Failure to allocate an " | |
2908 | "ELS mbuf:%d\n", i); | |
2909 | rc = -ENOMEM; | |
2910 | goto out_free_mem; | |
2911 | } | |
2912 | sglq_entry->sgl = sglq_entry->virt; | |
2913 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
2914 | sglq_entry->state = SGL_FREED; | |
2915 | list_add_tail(&sglq_entry->list, &els_sgl_list); | |
2916 | } | |
2917 | spin_lock(&phba->hbalock); | |
2918 | list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); | |
2919 | spin_unlock(&phba->hbalock); | |
2920 | } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { | |
2921 | /* els xri-sgl shrinked */ | |
2922 | xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; | |
2923 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2924 | "3158 ELS xri-sgl count decreased from " | |
2925 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
2926 | els_xri_cnt); | |
2927 | spin_lock_irq(&phba->hbalock); | |
2928 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list); | |
2929 | spin_unlock_irq(&phba->hbalock); | |
2930 | /* release extra els sgls from list */ | |
2931 | for (i = 0; i < xri_cnt; i++) { | |
2932 | list_remove_head(&els_sgl_list, | |
2933 | sglq_entry, struct lpfc_sglq, list); | |
2934 | if (sglq_entry) { | |
2935 | lpfc_mbuf_free(phba, sglq_entry->virt, | |
2936 | sglq_entry->phys); | |
2937 | kfree(sglq_entry); | |
2938 | } | |
2939 | } | |
2940 | spin_lock_irq(&phba->hbalock); | |
2941 | list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); | |
2942 | spin_unlock_irq(&phba->hbalock); | |
2943 | } else | |
2944 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2945 | "3163 ELS xri-sgl count unchanged: %d\n", | |
2946 | els_xri_cnt); | |
2947 | phba->sli4_hba.els_xri_cnt = els_xri_cnt; | |
2948 | ||
2949 | /* update xris to els sgls on the list */ | |
2950 | sglq_entry = NULL; | |
2951 | sglq_entry_next = NULL; | |
2952 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
2953 | &phba->sli4_hba.lpfc_sgl_list, list) { | |
2954 | lxri = lpfc_sli4_next_xritag(phba); | |
2955 | if (lxri == NO_XRI) { | |
2956 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2957 | "2400 Failed to allocate xri for " | |
2958 | "ELS sgl\n"); | |
2959 | rc = -ENOMEM; | |
2960 | goto out_free_mem; | |
2961 | } | |
2962 | sglq_entry->sli4_lxritag = lxri; | |
2963 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
2964 | } | |
2965 | ||
2966 | /* | |
2967 | * update on pci function's allocated scsi xri-sgl list | |
2968 | */ | |
2969 | phba->total_scsi_bufs = 0; | |
2970 | ||
2971 | /* maximum number of xris available for scsi buffers */ | |
2972 | phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - | |
2973 | els_xri_cnt; | |
2974 | ||
2975 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2976 | "2401 Current allocated SCSI xri-sgl count:%d, " | |
2977 | "maximum SCSI xri count:%d\n", | |
2978 | phba->sli4_hba.scsi_xri_cnt, | |
2979 | phba->sli4_hba.scsi_xri_max); | |
2980 | ||
2981 | spin_lock_irq(&phba->scsi_buf_list_lock); | |
2982 | list_splice_init(&phba->lpfc_scsi_buf_list, &scsi_sgl_list); | |
2983 | spin_unlock_irq(&phba->scsi_buf_list_lock); | |
2984 | ||
2985 | if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { | |
2986 | /* max scsi xri shrinked below the allocated scsi buffers */ | |
2987 | scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - | |
2988 | phba->sli4_hba.scsi_xri_max; | |
2989 | /* release the extra allocated scsi buffers */ | |
2990 | for (i = 0; i < scsi_xri_cnt; i++) { | |
2991 | list_remove_head(&scsi_sgl_list, psb, | |
2992 | struct lpfc_scsi_buf, list); | |
2993 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data, | |
2994 | psb->dma_handle); | |
2995 | kfree(psb); | |
2996 | } | |
2997 | spin_lock_irq(&phba->scsi_buf_list_lock); | |
2998 | phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; | |
2999 | spin_unlock_irq(&phba->scsi_buf_list_lock); | |
3000 | } | |
3001 | ||
3002 | /* update xris associated to remaining allocated scsi buffers */ | |
3003 | psb = NULL; | |
3004 | psb_next = NULL; | |
3005 | list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { | |
3006 | lxri = lpfc_sli4_next_xritag(phba); | |
3007 | if (lxri == NO_XRI) { | |
3008 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3009 | "2560 Failed to allocate xri for " | |
3010 | "scsi buffer\n"); | |
3011 | rc = -ENOMEM; | |
3012 | goto out_free_mem; | |
3013 | } | |
3014 | psb->cur_iocbq.sli4_lxritag = lxri; | |
3015 | psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3016 | } | |
3017 | spin_lock(&phba->scsi_buf_list_lock); | |
3018 | list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list); | |
3019 | spin_unlock(&phba->scsi_buf_list_lock); | |
3020 | ||
dea3101e | 3021 | return 0; |
8a9d2e80 JS |
3022 | |
3023 | out_free_mem: | |
3024 | lpfc_free_els_sgl_list(phba); | |
3025 | lpfc_scsi_free(phba); | |
3026 | return rc; | |
dea3101e JB |
3027 | } |
3028 | ||
e59058c4 | 3029 | /** |
3621a710 | 3030 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
3031 | * @phba: pointer to lpfc hba data structure. |
3032 | * @instance: a unique integer ID to this FC port. | |
3033 | * @dev: pointer to the device data structure. | |
3034 | * | |
3035 | * This routine creates a FC port for the upper layer protocol. The FC port | |
3036 | * can be created on top of either a physical port or a virtual port provided | |
3037 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
3038 | * and associates the FC port created before adding the shost into the SCSI | |
3039 | * layer. | |
3040 | * | |
3041 | * Return codes | |
3042 | * @vport - pointer to the virtual N_Port data structure. | |
3043 | * NULL - port create failed. | |
3044 | **/ | |
2e0fef85 | 3045 | struct lpfc_vport * |
3de2a653 | 3046 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 3047 | { |
2e0fef85 JS |
3048 | struct lpfc_vport *vport; |
3049 | struct Scsi_Host *shost; | |
3050 | int error = 0; | |
47a8617c | 3051 | |
3de2a653 JS |
3052 | if (dev != &phba->pcidev->dev) |
3053 | shost = scsi_host_alloc(&lpfc_vport_template, | |
3054 | sizeof(struct lpfc_vport)); | |
3055 | else | |
3056 | shost = scsi_host_alloc(&lpfc_template, | |
3057 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
3058 | if (!shost) |
3059 | goto out; | |
47a8617c | 3060 | |
2e0fef85 JS |
3061 | vport = (struct lpfc_vport *) shost->hostdata; |
3062 | vport->phba = phba; | |
2e0fef85 | 3063 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 3064 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 3065 | vport->fc_rscn_flush = 0; |
47a8617c | 3066 | |
3de2a653 | 3067 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
3068 | shost->unique_id = instance; |
3069 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 3070 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
3071 | shost->this_id = -1; |
3072 | shost->max_cmd_len = 16; | |
da0436e9 | 3073 | if (phba->sli_rev == LPFC_SLI_REV4) { |
28baac74 | 3074 | shost->dma_boundary = |
cb5172ea | 3075 | phba->sli4_hba.pc_sli4_params.sge_supp_len-1; |
da0436e9 JS |
3076 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; |
3077 | } | |
81301a9b | 3078 | |
47a8617c | 3079 | /* |
2e0fef85 JS |
3080 | * Set initial can_queue value since 0 is no longer supported and |
3081 | * scsi_add_host will fail. This will be adjusted later based on the | |
3082 | * max xri value determined in hba setup. | |
47a8617c | 3083 | */ |
2e0fef85 | 3084 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 3085 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
3086 | shost->transportt = lpfc_vport_transport_template; |
3087 | vport->port_type = LPFC_NPIV_PORT; | |
3088 | } else { | |
3089 | shost->transportt = lpfc_transport_template; | |
3090 | vport->port_type = LPFC_PHYSICAL_PORT; | |
3091 | } | |
47a8617c | 3092 | |
2e0fef85 JS |
3093 | /* Initialize all internally managed lists. */ |
3094 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 3095 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 3096 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 3097 | |
2e0fef85 JS |
3098 | init_timer(&vport->fc_disctmo); |
3099 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 3100 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 3101 | |
2e0fef85 JS |
3102 | init_timer(&vport->fc_fdmitmo); |
3103 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 3104 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 3105 | |
2e0fef85 JS |
3106 | init_timer(&vport->els_tmofunc); |
3107 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 3108 | vport->els_tmofunc.data = (unsigned long)vport; |
92494144 JS |
3109 | |
3110 | init_timer(&vport->delayed_disc_tmo); | |
3111 | vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo; | |
3112 | vport->delayed_disc_tmo.data = (unsigned long)vport; | |
3113 | ||
d139b9bd | 3114 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
3115 | if (error) |
3116 | goto out_put_shost; | |
47a8617c | 3117 | |
549e55cd | 3118 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 3119 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 3120 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 3121 | return vport; |
47a8617c | 3122 | |
2e0fef85 JS |
3123 | out_put_shost: |
3124 | scsi_host_put(shost); | |
3125 | out: | |
3126 | return NULL; | |
47a8617c JS |
3127 | } |
3128 | ||
e59058c4 | 3129 | /** |
3621a710 | 3130 | * destroy_port - destroy an FC port |
e59058c4 JS |
3131 | * @vport: pointer to an lpfc virtual N_Port data structure. |
3132 | * | |
3133 | * This routine destroys a FC port from the upper layer protocol. All the | |
3134 | * resources associated with the port are released. | |
3135 | **/ | |
2e0fef85 JS |
3136 | void |
3137 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 3138 | { |
92d7f7b0 JS |
3139 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3140 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3141 | |
858c9f6c | 3142 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
3143 | fc_remove_host(shost); |
3144 | scsi_remove_host(shost); | |
47a8617c | 3145 | |
92d7f7b0 JS |
3146 | spin_lock_irq(&phba->hbalock); |
3147 | list_del_init(&vport->listentry); | |
3148 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 3149 | |
92d7f7b0 | 3150 | lpfc_cleanup(vport); |
47a8617c | 3151 | return; |
47a8617c JS |
3152 | } |
3153 | ||
e59058c4 | 3154 | /** |
3621a710 | 3155 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
3156 | * |
3157 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
3158 | * uses the kernel idr facility to perform the task. | |
3159 | * | |
3160 | * Return codes: | |
3161 | * instance - a unique integer ID allocated as the new instance. | |
3162 | * -1 - lpfc get instance failed. | |
3163 | **/ | |
92d7f7b0 JS |
3164 | int |
3165 | lpfc_get_instance(void) | |
3166 | { | |
ab516036 TH |
3167 | int ret; |
3168 | ||
3169 | ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL); | |
3170 | return ret < 0 ? -1 : ret; | |
47a8617c JS |
3171 | } |
3172 | ||
e59058c4 | 3173 | /** |
3621a710 | 3174 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
3175 | * @shost: pointer to SCSI host data structure. |
3176 | * @time: elapsed time of the scan in jiffies. | |
3177 | * | |
3178 | * This routine is called by the SCSI layer with a SCSI host to determine | |
3179 | * whether the scan host is finished. | |
3180 | * | |
3181 | * Note: there is no scan_start function as adapter initialization will have | |
3182 | * asynchronously kicked off the link initialization. | |
3183 | * | |
3184 | * Return codes | |
3185 | * 0 - SCSI host scan is not over yet. | |
3186 | * 1 - SCSI host scan is over. | |
3187 | **/ | |
47a8617c JS |
3188 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
3189 | { | |
2e0fef85 JS |
3190 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3191 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 3192 | int stat = 0; |
47a8617c | 3193 | |
858c9f6c JS |
3194 | spin_lock_irq(shost->host_lock); |
3195 | ||
51ef4c26 | 3196 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
3197 | stat = 1; |
3198 | goto finished; | |
3199 | } | |
2e0fef85 JS |
3200 | if (time >= 30 * HZ) { |
3201 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
3202 | "0461 Scanning longer than 30 " |
3203 | "seconds. Continuing initialization\n"); | |
858c9f6c | 3204 | stat = 1; |
47a8617c | 3205 | goto finished; |
2e0fef85 JS |
3206 | } |
3207 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
3208 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
3209 | "0465 Link down longer than 15 " |
3210 | "seconds. Continuing initialization\n"); | |
858c9f6c | 3211 | stat = 1; |
47a8617c | 3212 | goto finished; |
2e0fef85 | 3213 | } |
47a8617c | 3214 | |
2e0fef85 | 3215 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 3216 | goto finished; |
2e0fef85 | 3217 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 3218 | goto finished; |
2e0fef85 | 3219 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 3220 | goto finished; |
2e0fef85 | 3221 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
3222 | goto finished; |
3223 | ||
3224 | stat = 1; | |
47a8617c JS |
3225 | |
3226 | finished: | |
858c9f6c JS |
3227 | spin_unlock_irq(shost->host_lock); |
3228 | return stat; | |
92d7f7b0 | 3229 | } |
47a8617c | 3230 | |
e59058c4 | 3231 | /** |
3621a710 | 3232 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
3233 | * @shost: pointer to SCSI host data structure. |
3234 | * | |
3235 | * This routine initializes a given SCSI host attributes on a FC port. The | |
3236 | * SCSI host can be either on top of a physical port or a virtual port. | |
3237 | **/ | |
92d7f7b0 JS |
3238 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
3239 | { | |
3240 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3241 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3242 | /* |
2e0fef85 | 3243 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
3244 | */ |
3245 | ||
2e0fef85 JS |
3246 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
3247 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
3248 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
3249 | ||
3250 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 3251 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
3252 | fc_host_supported_fc4s(shost)[2] = 1; |
3253 | fc_host_supported_fc4s(shost)[7] = 1; | |
3254 | ||
92d7f7b0 JS |
3255 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
3256 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
3257 | |
3258 | fc_host_supported_speeds(shost) = 0; | |
88a2cfbb JS |
3259 | if (phba->lmt & LMT_16Gb) |
3260 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT; | |
47a8617c JS |
3261 | if (phba->lmt & LMT_10Gb) |
3262 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
3263 | if (phba->lmt & LMT_8Gb) |
3264 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
3265 | if (phba->lmt & LMT_4Gb) |
3266 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
3267 | if (phba->lmt & LMT_2Gb) | |
3268 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
3269 | if (phba->lmt & LMT_1Gb) | |
3270 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
3271 | ||
3272 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
3273 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
3274 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c | 3275 | |
0af5d708 MC |
3276 | fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; |
3277 | ||
47a8617c JS |
3278 | /* This value is also unchanging */ |
3279 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 3280 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
3281 | fc_host_active_fc4s(shost)[2] = 1; |
3282 | fc_host_active_fc4s(shost)[7] = 1; | |
3283 | ||
92d7f7b0 | 3284 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 3285 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 3286 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 3287 | spin_unlock_irq(shost->host_lock); |
47a8617c | 3288 | } |
dea3101e | 3289 | |
e59058c4 | 3290 | /** |
da0436e9 | 3291 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
3292 | * @phba: pointer to lpfc hba data structure. |
3293 | * | |
da0436e9 JS |
3294 | * This routine is invoked to stop an SLI3 device port, it stops the device |
3295 | * from generating interrupts and stops the device driver's timers for the | |
3296 | * device. | |
e59058c4 | 3297 | **/ |
da0436e9 JS |
3298 | static void |
3299 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 3300 | { |
da0436e9 JS |
3301 | /* Clear all interrupt enable conditions */ |
3302 | writel(0, phba->HCregaddr); | |
3303 | readl(phba->HCregaddr); /* flush */ | |
3304 | /* Clear all pending interrupts */ | |
3305 | writel(0xffffffff, phba->HAregaddr); | |
3306 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 3307 | |
da0436e9 JS |
3308 | /* Reset some HBA SLI setup states */ |
3309 | lpfc_stop_hba_timers(phba); | |
3310 | phba->pport->work_port_events = 0; | |
3311 | } | |
db2378e0 | 3312 | |
da0436e9 JS |
3313 | /** |
3314 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
3315 | * @phba: pointer to lpfc hba data structure. | |
3316 | * | |
3317 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
3318 | * from generating interrupts and stops the device driver's timers for the | |
3319 | * device. | |
3320 | **/ | |
3321 | static void | |
3322 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
3323 | { | |
3324 | /* Reset some HBA SLI4 setup states */ | |
3325 | lpfc_stop_hba_timers(phba); | |
3326 | phba->pport->work_port_events = 0; | |
3327 | phba->sli4_hba.intr_enable = 0; | |
da0436e9 | 3328 | } |
9399627f | 3329 | |
da0436e9 JS |
3330 | /** |
3331 | * lpfc_stop_port - Wrapper function for stopping hba port | |
3332 | * @phba: Pointer to HBA context object. | |
3333 | * | |
3334 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
3335 | * the API jump table function pointer from the lpfc_hba struct. | |
3336 | **/ | |
3337 | void | |
3338 | lpfc_stop_port(struct lpfc_hba *phba) | |
3339 | { | |
3340 | phba->lpfc_stop_port(phba); | |
3341 | } | |
db2378e0 | 3342 | |
ecfd03c6 JS |
3343 | /** |
3344 | * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer | |
3345 | * @phba: Pointer to hba for which this call is being executed. | |
3346 | * | |
3347 | * This routine starts the timer waiting for the FCF rediscovery to complete. | |
3348 | **/ | |
3349 | void | |
3350 | lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) | |
3351 | { | |
3352 | unsigned long fcf_redisc_wait_tmo = | |
3353 | (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); | |
3354 | /* Start fcf rediscovery wait period timer */ | |
3355 | mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); | |
3356 | spin_lock_irq(&phba->hbalock); | |
3357 | /* Allow action to new fcf asynchronous event */ | |
3358 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
3359 | /* Mark the FCF rediscovery pending state */ | |
3360 | phba->fcf.fcf_flag |= FCF_REDISC_PEND; | |
3361 | spin_unlock_irq(&phba->hbalock); | |
3362 | } | |
3363 | ||
3364 | /** | |
3365 | * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout | |
3366 | * @ptr: Map to lpfc_hba data structure pointer. | |
3367 | * | |
3368 | * This routine is invoked when waiting for FCF table rediscover has been | |
3369 | * timed out. If new FCF record(s) has (have) been discovered during the | |
3370 | * wait period, a new FCF event shall be added to the FCOE async event | |
3371 | * list, and then worker thread shall be waked up for processing from the | |
3372 | * worker thread context. | |
3373 | **/ | |
3374 | void | |
3375 | lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) | |
3376 | { | |
3377 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
3378 | ||
3379 | /* Don't send FCF rediscovery event if timer cancelled */ | |
3380 | spin_lock_irq(&phba->hbalock); | |
3381 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
3382 | spin_unlock_irq(&phba->hbalock); | |
3383 | return; | |
3384 | } | |
3385 | /* Clear FCF rediscovery timer pending flag */ | |
3386 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
3387 | /* FCF rediscovery event to worker thread */ | |
3388 | phba->fcf.fcf_flag |= FCF_REDISC_EVT; | |
3389 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 3390 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 3391 | "2776 FCF rediscover quiescent timer expired\n"); |
ecfd03c6 JS |
3392 | /* wake up worker thread */ |
3393 | lpfc_worker_wake_up(phba); | |
3394 | } | |
3395 | ||
e59058c4 | 3396 | /** |
da0436e9 | 3397 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 3398 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3399 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 3400 | * |
da0436e9 JS |
3401 | * This routine is to parse the SLI4 link-attention link fault code and |
3402 | * translate it into the base driver's read link attention mailbox command | |
3403 | * status. | |
3404 | * | |
3405 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 3406 | **/ |
da0436e9 JS |
3407 | static uint16_t |
3408 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
3409 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 3410 | { |
da0436e9 | 3411 | uint16_t latt_fault; |
9399627f | 3412 | |
da0436e9 JS |
3413 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
3414 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
3415 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
3416 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
3417 | latt_fault = 0; | |
3418 | break; | |
3419 | default: | |
3420 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3421 | "0398 Invalid link fault code: x%x\n", | |
3422 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
3423 | latt_fault = MBXERR_ERROR; | |
3424 | break; | |
3425 | } | |
3426 | return latt_fault; | |
db2378e0 JS |
3427 | } |
3428 | ||
5b75da2f | 3429 | /** |
da0436e9 | 3430 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 3431 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3432 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3433 | * |
da0436e9 JS |
3434 | * This routine is to parse the SLI4 link attention type and translate it |
3435 | * into the base driver's link attention type coding. | |
5b75da2f | 3436 | * |
da0436e9 JS |
3437 | * Return: Link attention type in terms of base driver's coding. |
3438 | **/ | |
3439 | static uint8_t | |
3440 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
3441 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3442 | { |
da0436e9 | 3443 | uint8_t att_type; |
5b75da2f | 3444 | |
da0436e9 JS |
3445 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
3446 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
3447 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
76a95d75 | 3448 | att_type = LPFC_ATT_LINK_DOWN; |
da0436e9 JS |
3449 | break; |
3450 | case LPFC_ASYNC_LINK_STATUS_UP: | |
3451 | /* Ignore physical link up events - wait for logical link up */ | |
76a95d75 | 3452 | att_type = LPFC_ATT_RESERVED; |
da0436e9 JS |
3453 | break; |
3454 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
76a95d75 | 3455 | att_type = LPFC_ATT_LINK_UP; |
da0436e9 JS |
3456 | break; |
3457 | default: | |
3458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3459 | "0399 Invalid link attention type: x%x\n", | |
3460 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
76a95d75 | 3461 | att_type = LPFC_ATT_RESERVED; |
da0436e9 | 3462 | break; |
5b75da2f | 3463 | } |
da0436e9 | 3464 | return att_type; |
5b75da2f JS |
3465 | } |
3466 | ||
3467 | /** | |
da0436e9 | 3468 | * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed |
5b75da2f | 3469 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3470 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3471 | * |
da0436e9 JS |
3472 | * This routine is to parse the SLI4 link-attention link speed and translate |
3473 | * it into the base driver's link-attention link speed coding. | |
3474 | * | |
3475 | * Return: Link-attention link speed in terms of base driver's coding. | |
3476 | **/ | |
3477 | static uint8_t | |
3478 | lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba, | |
3479 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3480 | { |
da0436e9 JS |
3481 | uint8_t link_speed; |
3482 | ||
3483 | switch (bf_get(lpfc_acqe_link_speed, acqe_link)) { | |
3484 | case LPFC_ASYNC_LINK_SPEED_ZERO: | |
da0436e9 | 3485 | case LPFC_ASYNC_LINK_SPEED_10MBPS: |
da0436e9 | 3486 | case LPFC_ASYNC_LINK_SPEED_100MBPS: |
76a95d75 | 3487 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3488 | break; |
3489 | case LPFC_ASYNC_LINK_SPEED_1GBPS: | |
76a95d75 | 3490 | link_speed = LPFC_LINK_SPEED_1GHZ; |
da0436e9 JS |
3491 | break; |
3492 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
76a95d75 | 3493 | link_speed = LPFC_LINK_SPEED_10GHZ; |
da0436e9 JS |
3494 | break; |
3495 | default: | |
3496 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3497 | "0483 Invalid link-attention link speed: x%x\n", | |
3498 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
76a95d75 | 3499 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3500 | break; |
3501 | } | |
3502 | return link_speed; | |
3503 | } | |
3504 | ||
8b68cd52 JS |
3505 | /** |
3506 | * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed | |
3507 | * @phba: pointer to lpfc hba data structure. | |
3508 | * | |
3509 | * This routine is to get an SLI3 FC port's link speed in Mbps. | |
3510 | * | |
3511 | * Return: link speed in terms of Mbps. | |
3512 | **/ | |
3513 | uint32_t | |
3514 | lpfc_sli_port_speed_get(struct lpfc_hba *phba) | |
3515 | { | |
3516 | uint32_t link_speed; | |
3517 | ||
3518 | if (!lpfc_is_link_up(phba)) | |
3519 | return 0; | |
3520 | ||
3521 | switch (phba->fc_linkspeed) { | |
3522 | case LPFC_LINK_SPEED_1GHZ: | |
3523 | link_speed = 1000; | |
3524 | break; | |
3525 | case LPFC_LINK_SPEED_2GHZ: | |
3526 | link_speed = 2000; | |
3527 | break; | |
3528 | case LPFC_LINK_SPEED_4GHZ: | |
3529 | link_speed = 4000; | |
3530 | break; | |
3531 | case LPFC_LINK_SPEED_8GHZ: | |
3532 | link_speed = 8000; | |
3533 | break; | |
3534 | case LPFC_LINK_SPEED_10GHZ: | |
3535 | link_speed = 10000; | |
3536 | break; | |
3537 | case LPFC_LINK_SPEED_16GHZ: | |
3538 | link_speed = 16000; | |
3539 | break; | |
3540 | default: | |
3541 | link_speed = 0; | |
3542 | } | |
3543 | return link_speed; | |
3544 | } | |
3545 | ||
3546 | /** | |
3547 | * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed | |
3548 | * @phba: pointer to lpfc hba data structure. | |
3549 | * @evt_code: asynchronous event code. | |
3550 | * @speed_code: asynchronous event link speed code. | |
3551 | * | |
3552 | * This routine is to parse the giving SLI4 async event link speed code into | |
3553 | * value of Mbps for the link speed. | |
3554 | * | |
3555 | * Return: link speed in terms of Mbps. | |
3556 | **/ | |
3557 | static uint32_t | |
3558 | lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, | |
3559 | uint8_t speed_code) | |
3560 | { | |
3561 | uint32_t port_speed; | |
3562 | ||
3563 | switch (evt_code) { | |
3564 | case LPFC_TRAILER_CODE_LINK: | |
3565 | switch (speed_code) { | |
3566 | case LPFC_EVT_CODE_LINK_NO_LINK: | |
3567 | port_speed = 0; | |
3568 | break; | |
3569 | case LPFC_EVT_CODE_LINK_10_MBIT: | |
3570 | port_speed = 10; | |
3571 | break; | |
3572 | case LPFC_EVT_CODE_LINK_100_MBIT: | |
3573 | port_speed = 100; | |
3574 | break; | |
3575 | case LPFC_EVT_CODE_LINK_1_GBIT: | |
3576 | port_speed = 1000; | |
3577 | break; | |
3578 | case LPFC_EVT_CODE_LINK_10_GBIT: | |
3579 | port_speed = 10000; | |
3580 | break; | |
3581 | default: | |
3582 | port_speed = 0; | |
3583 | } | |
3584 | break; | |
3585 | case LPFC_TRAILER_CODE_FC: | |
3586 | switch (speed_code) { | |
3587 | case LPFC_EVT_CODE_FC_NO_LINK: | |
3588 | port_speed = 0; | |
3589 | break; | |
3590 | case LPFC_EVT_CODE_FC_1_GBAUD: | |
3591 | port_speed = 1000; | |
3592 | break; | |
3593 | case LPFC_EVT_CODE_FC_2_GBAUD: | |
3594 | port_speed = 2000; | |
3595 | break; | |
3596 | case LPFC_EVT_CODE_FC_4_GBAUD: | |
3597 | port_speed = 4000; | |
3598 | break; | |
3599 | case LPFC_EVT_CODE_FC_8_GBAUD: | |
3600 | port_speed = 8000; | |
3601 | break; | |
3602 | case LPFC_EVT_CODE_FC_10_GBAUD: | |
3603 | port_speed = 10000; | |
3604 | break; | |
3605 | case LPFC_EVT_CODE_FC_16_GBAUD: | |
3606 | port_speed = 16000; | |
3607 | break; | |
3608 | default: | |
3609 | port_speed = 0; | |
3610 | } | |
3611 | break; | |
3612 | default: | |
3613 | port_speed = 0; | |
3614 | } | |
3615 | return port_speed; | |
3616 | } | |
3617 | ||
da0436e9 | 3618 | /** |
70f3c073 | 3619 | * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event |
da0436e9 JS |
3620 | * @phba: pointer to lpfc hba data structure. |
3621 | * @acqe_link: pointer to the async link completion queue entry. | |
3622 | * | |
70f3c073 | 3623 | * This routine is to handle the SLI4 asynchronous FCoE link event. |
da0436e9 JS |
3624 | **/ |
3625 | static void | |
3626 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
3627 | struct lpfc_acqe_link *acqe_link) | |
3628 | { | |
3629 | struct lpfc_dmabuf *mp; | |
3630 | LPFC_MBOXQ_t *pmb; | |
3631 | MAILBOX_t *mb; | |
76a95d75 | 3632 | struct lpfc_mbx_read_top *la; |
da0436e9 | 3633 | uint8_t att_type; |
76a95d75 | 3634 | int rc; |
da0436e9 JS |
3635 | |
3636 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
76a95d75 | 3637 | if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) |
da0436e9 | 3638 | return; |
32b9793f | 3639 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
3640 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3641 | if (!pmb) { | |
3642 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3643 | "0395 The mboxq allocation failed\n"); | |
3644 | return; | |
3645 | } | |
3646 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3647 | if (!mp) { | |
3648 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3649 | "0396 The lpfc_dmabuf allocation failed\n"); | |
3650 | goto out_free_pmb; | |
3651 | } | |
3652 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3653 | if (!mp->virt) { | |
3654 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3655 | "0397 The mbuf allocation failed\n"); | |
3656 | goto out_free_dmabuf; | |
3657 | } | |
3658 | ||
3659 | /* Cleanup any outstanding ELS commands */ | |
3660 | lpfc_els_flush_all_cmd(phba); | |
3661 | ||
3662 | /* Block ELS IOCBs until we have done process link event */ | |
3663 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3664 | ||
3665 | /* Update link event statistics */ | |
3666 | phba->sli.slistat.link_event++; | |
3667 | ||
76a95d75 JS |
3668 | /* Create lpfc_handle_latt mailbox command from link ACQE */ |
3669 | lpfc_read_topology(phba, pmb, mp); | |
3670 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
da0436e9 JS |
3671 | pmb->vport = phba->pport; |
3672 | ||
da0436e9 JS |
3673 | /* Keep the link status for extra SLI4 state machine reference */ |
3674 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
3675 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK, |
3676 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
da0436e9 JS |
3677 | phba->sli4_hba.link_state.duplex = |
3678 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
3679 | phba->sli4_hba.link_state.status = | |
3680 | bf_get(lpfc_acqe_link_status, acqe_link); | |
70f3c073 JS |
3681 | phba->sli4_hba.link_state.type = |
3682 | bf_get(lpfc_acqe_link_type, acqe_link); | |
3683 | phba->sli4_hba.link_state.number = | |
3684 | bf_get(lpfc_acqe_link_number, acqe_link); | |
da0436e9 JS |
3685 | phba->sli4_hba.link_state.fault = |
3686 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
65467b6b | 3687 | phba->sli4_hba.link_state.logical_speed = |
8b68cd52 JS |
3688 | bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10; |
3689 | ||
70f3c073 | 3690 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
c31098ce JS |
3691 | "2900 Async FC/FCoE Link event - Speed:%dGBit " |
3692 | "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d " | |
3693 | "Logical speed:%dMbps Fault:%d\n", | |
70f3c073 JS |
3694 | phba->sli4_hba.link_state.speed, |
3695 | phba->sli4_hba.link_state.topology, | |
3696 | phba->sli4_hba.link_state.status, | |
3697 | phba->sli4_hba.link_state.type, | |
3698 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 3699 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 | 3700 | phba->sli4_hba.link_state.fault); |
76a95d75 JS |
3701 | /* |
3702 | * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch | |
3703 | * topology info. Note: Optional for non FC-AL ports. | |
3704 | */ | |
3705 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { | |
3706 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3707 | if (rc == MBX_NOT_FINISHED) | |
3708 | goto out_free_dmabuf; | |
3709 | return; | |
3710 | } | |
3711 | /* | |
3712 | * For FCoE Mode: fill in all the topology information we need and call | |
3713 | * the READ_TOPOLOGY completion routine to continue without actually | |
3714 | * sending the READ_TOPOLOGY mailbox command to the port. | |
3715 | */ | |
3716 | /* Parse and translate status field */ | |
3717 | mb = &pmb->u.mb; | |
3718 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
3719 | ||
3720 | /* Parse and translate link attention fields */ | |
3721 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; | |
3722 | la->eventTag = acqe_link->event_tag; | |
3723 | bf_set(lpfc_mbx_read_top_att_type, la, att_type); | |
3724 | bf_set(lpfc_mbx_read_top_link_spd, la, | |
3725 | lpfc_sli4_parse_latt_link_speed(phba, acqe_link)); | |
3726 | ||
3727 | /* Fake the the following irrelvant fields */ | |
3728 | bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); | |
3729 | bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); | |
3730 | bf_set(lpfc_mbx_read_top_il, la, 0); | |
3731 | bf_set(lpfc_mbx_read_top_pb, la, 0); | |
3732 | bf_set(lpfc_mbx_read_top_fa, la, 0); | |
3733 | bf_set(lpfc_mbx_read_top_mm, la, 0); | |
da0436e9 JS |
3734 | |
3735 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
76a95d75 | 3736 | lpfc_mbx_cmpl_read_topology(phba, pmb); |
da0436e9 | 3737 | |
5b75da2f | 3738 | return; |
da0436e9 JS |
3739 | |
3740 | out_free_dmabuf: | |
3741 | kfree(mp); | |
3742 | out_free_pmb: | |
3743 | mempool_free(pmb, phba->mbox_mem_pool); | |
3744 | } | |
3745 | ||
70f3c073 JS |
3746 | /** |
3747 | * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event | |
3748 | * @phba: pointer to lpfc hba data structure. | |
3749 | * @acqe_fc: pointer to the async fc completion queue entry. | |
3750 | * | |
3751 | * This routine is to handle the SLI4 asynchronous FC event. It will simply log | |
3752 | * that the event was received and then issue a read_topology mailbox command so | |
3753 | * that the rest of the driver will treat it the same as SLI3. | |
3754 | **/ | |
3755 | static void | |
3756 | lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) | |
3757 | { | |
3758 | struct lpfc_dmabuf *mp; | |
3759 | LPFC_MBOXQ_t *pmb; | |
3760 | int rc; | |
3761 | ||
3762 | if (bf_get(lpfc_trailer_type, acqe_fc) != | |
3763 | LPFC_FC_LA_EVENT_TYPE_FC_LINK) { | |
3764 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3765 | "2895 Non FC link Event detected.(%d)\n", | |
3766 | bf_get(lpfc_trailer_type, acqe_fc)); | |
3767 | return; | |
3768 | } | |
3769 | /* Keep the link status for extra SLI4 state machine reference */ | |
3770 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
3771 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, |
3772 | bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); | |
70f3c073 JS |
3773 | phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; |
3774 | phba->sli4_hba.link_state.topology = | |
3775 | bf_get(lpfc_acqe_fc_la_topology, acqe_fc); | |
3776 | phba->sli4_hba.link_state.status = | |
3777 | bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); | |
3778 | phba->sli4_hba.link_state.type = | |
3779 | bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); | |
3780 | phba->sli4_hba.link_state.number = | |
3781 | bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); | |
3782 | phba->sli4_hba.link_state.fault = | |
3783 | bf_get(lpfc_acqe_link_fault, acqe_fc); | |
3784 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 3785 | bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; |
70f3c073 JS |
3786 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
3787 | "2896 Async FC event - Speed:%dGBaud Topology:x%x " | |
3788 | "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" | |
3789 | "%dMbps Fault:%d\n", | |
3790 | phba->sli4_hba.link_state.speed, | |
3791 | phba->sli4_hba.link_state.topology, | |
3792 | phba->sli4_hba.link_state.status, | |
3793 | phba->sli4_hba.link_state.type, | |
3794 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 3795 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 JS |
3796 | phba->sli4_hba.link_state.fault); |
3797 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3798 | if (!pmb) { | |
3799 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3800 | "2897 The mboxq allocation failed\n"); | |
3801 | return; | |
3802 | } | |
3803 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3804 | if (!mp) { | |
3805 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3806 | "2898 The lpfc_dmabuf allocation failed\n"); | |
3807 | goto out_free_pmb; | |
3808 | } | |
3809 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3810 | if (!mp->virt) { | |
3811 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3812 | "2899 The mbuf allocation failed\n"); | |
3813 | goto out_free_dmabuf; | |
3814 | } | |
3815 | ||
3816 | /* Cleanup any outstanding ELS commands */ | |
3817 | lpfc_els_flush_all_cmd(phba); | |
3818 | ||
3819 | /* Block ELS IOCBs until we have done process link event */ | |
3820 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3821 | ||
3822 | /* Update link event statistics */ | |
3823 | phba->sli.slistat.link_event++; | |
3824 | ||
3825 | /* Create lpfc_handle_latt mailbox command from link ACQE */ | |
3826 | lpfc_read_topology(phba, pmb, mp); | |
3827 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
3828 | pmb->vport = phba->pport; | |
3829 | ||
3830 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3831 | if (rc == MBX_NOT_FINISHED) | |
3832 | goto out_free_dmabuf; | |
3833 | return; | |
3834 | ||
3835 | out_free_dmabuf: | |
3836 | kfree(mp); | |
3837 | out_free_pmb: | |
3838 | mempool_free(pmb, phba->mbox_mem_pool); | |
3839 | } | |
3840 | ||
3841 | /** | |
3842 | * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event | |
3843 | * @phba: pointer to lpfc hba data structure. | |
3844 | * @acqe_fc: pointer to the async SLI completion queue entry. | |
3845 | * | |
3846 | * This routine is to handle the SLI4 asynchronous SLI events. | |
3847 | **/ | |
3848 | static void | |
3849 | lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) | |
3850 | { | |
4b8bae08 | 3851 | char port_name; |
8c1312e1 | 3852 | char message[128]; |
4b8bae08 JS |
3853 | uint8_t status; |
3854 | struct lpfc_acqe_misconfigured_event *misconfigured; | |
3855 | ||
3856 | /* special case misconfigured event as it contains data for all ports */ | |
3857 | if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
3858 | LPFC_SLI_INTF_IF_TYPE_2) || | |
3859 | (bf_get(lpfc_trailer_type, acqe_sli) != | |
3860 | LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) { | |
3861 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3862 | "2901 Async SLI event - Event Data1:x%08x Event Data2:" | |
3863 | "x%08x SLI Event Type:%d\n", | |
3864 | acqe_sli->event_data1, acqe_sli->event_data2, | |
3865 | bf_get(lpfc_trailer_type, acqe_sli)); | |
3866 | return; | |
3867 | } | |
3868 | ||
3869 | port_name = phba->Port[0]; | |
3870 | if (port_name == 0x00) | |
3871 | port_name = '?'; /* get port name is empty */ | |
3872 | ||
3873 | misconfigured = (struct lpfc_acqe_misconfigured_event *) | |
3874 | &acqe_sli->event_data1; | |
3875 | ||
3876 | /* fetch the status for this port */ | |
3877 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
3878 | case LPFC_LINK_NUMBER_0: | |
3879 | status = bf_get(lpfc_sli_misconfigured_port0, | |
3880 | &misconfigured->theEvent); | |
3881 | break; | |
3882 | case LPFC_LINK_NUMBER_1: | |
3883 | status = bf_get(lpfc_sli_misconfigured_port1, | |
3884 | &misconfigured->theEvent); | |
3885 | break; | |
3886 | case LPFC_LINK_NUMBER_2: | |
3887 | status = bf_get(lpfc_sli_misconfigured_port2, | |
3888 | &misconfigured->theEvent); | |
3889 | break; | |
3890 | case LPFC_LINK_NUMBER_3: | |
3891 | status = bf_get(lpfc_sli_misconfigured_port3, | |
3892 | &misconfigured->theEvent); | |
3893 | break; | |
3894 | default: | |
3895 | status = ~LPFC_SLI_EVENT_STATUS_VALID; | |
3896 | break; | |
3897 | } | |
3898 | ||
3899 | switch (status) { | |
3900 | case LPFC_SLI_EVENT_STATUS_VALID: | |
3901 | return; /* no message if the sfp is okay */ | |
3902 | case LPFC_SLI_EVENT_STATUS_NOT_PRESENT: | |
292098be JS |
3903 | sprintf(message, "Optics faulted/incorrectly installed/not " \ |
3904 | "installed - Reseat optics, if issue not " | |
3905 | "resolved, replace."); | |
4b8bae08 JS |
3906 | break; |
3907 | case LPFC_SLI_EVENT_STATUS_WRONG_TYPE: | |
3908 | sprintf(message, | |
292098be JS |
3909 | "Optics of two types installed - Remove one optic or " \ |
3910 | "install matching pair of optics."); | |
4b8bae08 JS |
3911 | break; |
3912 | case LPFC_SLI_EVENT_STATUS_UNSUPPORTED: | |
292098be JS |
3913 | sprintf(message, "Incompatible optics - Replace with " \ |
3914 | "compatible optics for card to function."); | |
4b8bae08 JS |
3915 | break; |
3916 | default: | |
3917 | /* firmware is reporting a status we don't know about */ | |
3918 | sprintf(message, "Unknown event status x%02x", status); | |
3919 | break; | |
3920 | } | |
3921 | ||
3922 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3923 | "3176 Misconfigured Physical Port - " | |
3924 | "Port Name %c %s\n", port_name, message); | |
70f3c073 JS |
3925 | } |
3926 | ||
fc2b989b JS |
3927 | /** |
3928 | * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport | |
3929 | * @vport: pointer to vport data structure. | |
3930 | * | |
3931 | * This routine is to perform Clear Virtual Link (CVL) on a vport in | |
3932 | * response to a CVL event. | |
3933 | * | |
3934 | * Return the pointer to the ndlp with the vport if successful, otherwise | |
3935 | * return NULL. | |
3936 | **/ | |
3937 | static struct lpfc_nodelist * | |
3938 | lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) | |
3939 | { | |
3940 | struct lpfc_nodelist *ndlp; | |
3941 | struct Scsi_Host *shost; | |
3942 | struct lpfc_hba *phba; | |
3943 | ||
3944 | if (!vport) | |
3945 | return NULL; | |
fc2b989b JS |
3946 | phba = vport->phba; |
3947 | if (!phba) | |
3948 | return NULL; | |
78730cfe JS |
3949 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
3950 | if (!ndlp) { | |
3951 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
3952 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
3953 | if (!ndlp) | |
3954 | return 0; | |
3955 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
3956 | /* Set the node type */ | |
3957 | ndlp->nlp_type |= NLP_FABRIC; | |
3958 | /* Put ndlp onto node list */ | |
3959 | lpfc_enqueue_node(vport, ndlp); | |
3960 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
3961 | /* re-setup ndlp without removing from node list */ | |
3962 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
3963 | if (!ndlp) | |
3964 | return 0; | |
3965 | } | |
63e801ce JS |
3966 | if ((phba->pport->port_state < LPFC_FLOGI) && |
3967 | (phba->pport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
3968 | return NULL; |
3969 | /* If virtual link is not yet instantiated ignore CVL */ | |
63e801ce JS |
3970 | if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) |
3971 | && (vport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
3972 | return NULL; |
3973 | shost = lpfc_shost_from_vport(vport); | |
3974 | if (!shost) | |
3975 | return NULL; | |
3976 | lpfc_linkdown_port(vport); | |
3977 | lpfc_cleanup_pending_mbox(vport); | |
3978 | spin_lock_irq(shost->host_lock); | |
3979 | vport->fc_flag |= FC_VPORT_CVL_RCVD; | |
3980 | spin_unlock_irq(shost->host_lock); | |
3981 | ||
3982 | return ndlp; | |
3983 | } | |
3984 | ||
3985 | /** | |
3986 | * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports | |
3987 | * @vport: pointer to lpfc hba data structure. | |
3988 | * | |
3989 | * This routine is to perform Clear Virtual Link (CVL) on all vports in | |
3990 | * response to a FCF dead event. | |
3991 | **/ | |
3992 | static void | |
3993 | lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) | |
3994 | { | |
3995 | struct lpfc_vport **vports; | |
3996 | int i; | |
3997 | ||
3998 | vports = lpfc_create_vport_work_array(phba); | |
3999 | if (vports) | |
4000 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
4001 | lpfc_sli4_perform_vport_cvl(vports[i]); | |
4002 | lpfc_destroy_vport_work_array(phba, vports); | |
4003 | } | |
4004 | ||
25aee407 JS |
4005 | /** |
4006 | * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery | |
4007 | * @vport: pointer to lpfc hba data structure. | |
4008 | * | |
4009 | * This routine is to perform FCF recovery when the in-use FCF either dead or | |
4010 | * got modified. | |
4011 | **/ | |
4012 | static void | |
4013 | lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba *phba, | |
4014 | struct lpfc_acqe_fip *acqe_fip) | |
4015 | { | |
4016 | int rc; | |
4017 | ||
4018 | spin_lock_irq(&phba->hbalock); | |
4019 | /* Mark the fast failover process in progress */ | |
4020 | phba->fcf.fcf_flag |= FCF_DEAD_DISC; | |
4021 | spin_unlock_irq(&phba->hbalock); | |
4022 | ||
4023 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
4024 | "2771 Start FCF fast failover process due to in-use " | |
4025 | "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n", | |
4026 | acqe_fip->event_tag, acqe_fip->index); | |
4027 | rc = lpfc_sli4_redisc_fcf_table(phba); | |
4028 | if (rc) { | |
4029 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, | |
4030 | "2772 Issue FCF rediscover mabilbox command " | |
4031 | "failed, fail through to FCF dead event\n"); | |
4032 | spin_lock_irq(&phba->hbalock); | |
4033 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; | |
4034 | spin_unlock_irq(&phba->hbalock); | |
4035 | /* | |
4036 | * Last resort will fail over by treating this as a link | |
4037 | * down to FCF registration. | |
4038 | */ | |
4039 | lpfc_sli4_fcf_dead_failthrough(phba); | |
4040 | } else { | |
4041 | /* Reset FCF roundrobin bmask for new discovery */ | |
4042 | lpfc_sli4_clear_fcf_rr_bmask(phba); | |
4043 | /* | |
4044 | * Handling fast FCF failover to a DEAD FCF event is | |
4045 | * considered equalivant to receiving CVL to all vports. | |
4046 | */ | |
4047 | lpfc_sli4_perform_all_vport_cvl(phba); | |
4048 | } | |
4049 | } | |
4050 | ||
da0436e9 | 4051 | /** |
76a95d75 | 4052 | * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event |
da0436e9 JS |
4053 | * @phba: pointer to lpfc hba data structure. |
4054 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
4055 | * | |
4056 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
4057 | **/ | |
4058 | static void | |
76a95d75 | 4059 | lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, |
70f3c073 | 4060 | struct lpfc_acqe_fip *acqe_fip) |
da0436e9 | 4061 | { |
70f3c073 | 4062 | uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); |
da0436e9 | 4063 | int rc; |
6669f9bb JS |
4064 | struct lpfc_vport *vport; |
4065 | struct lpfc_nodelist *ndlp; | |
4066 | struct Scsi_Host *shost; | |
695a814e JS |
4067 | int active_vlink_present; |
4068 | struct lpfc_vport **vports; | |
4069 | int i; | |
da0436e9 | 4070 | |
70f3c073 JS |
4071 | phba->fc_eventTag = acqe_fip->event_tag; |
4072 | phba->fcoe_eventtag = acqe_fip->event_tag; | |
da0436e9 | 4073 | switch (event_type) { |
70f3c073 JS |
4074 | case LPFC_FIP_EVENT_TYPE_NEW_FCF: |
4075 | case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: | |
4076 | if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) | |
999d813f JS |
4077 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4078 | LOG_DISCOVERY, | |
a93ff37a JS |
4079 | "2546 New FCF event, evt_tag:x%x, " |
4080 | "index:x%x\n", | |
70f3c073 JS |
4081 | acqe_fip->event_tag, |
4082 | acqe_fip->index); | |
999d813f JS |
4083 | else |
4084 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | | |
4085 | LOG_DISCOVERY, | |
a93ff37a JS |
4086 | "2788 FCF param modified event, " |
4087 | "evt_tag:x%x, index:x%x\n", | |
70f3c073 JS |
4088 | acqe_fip->event_tag, |
4089 | acqe_fip->index); | |
38b92ef8 | 4090 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
0c9ab6f5 JS |
4091 | /* |
4092 | * During period of FCF discovery, read the FCF | |
4093 | * table record indexed by the event to update | |
a93ff37a | 4094 | * FCF roundrobin failover eligible FCF bmask. |
0c9ab6f5 JS |
4095 | */ |
4096 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | | |
4097 | LOG_DISCOVERY, | |
a93ff37a JS |
4098 | "2779 Read FCF (x%x) for updating " |
4099 | "roundrobin FCF failover bmask\n", | |
70f3c073 JS |
4100 | acqe_fip->index); |
4101 | rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); | |
0c9ab6f5 | 4102 | } |
38b92ef8 JS |
4103 | |
4104 | /* If the FCF discovery is in progress, do nothing. */ | |
3804dc84 | 4105 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 4106 | if (phba->hba_flag & FCF_TS_INPROG) { |
38b92ef8 JS |
4107 | spin_unlock_irq(&phba->hbalock); |
4108 | break; | |
4109 | } | |
4110 | /* If fast FCF failover rescan event is pending, do nothing */ | |
4111 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { | |
4112 | spin_unlock_irq(&phba->hbalock); | |
4113 | break; | |
4114 | } | |
4115 | ||
25aee407 JS |
4116 | /* If FCF has been in discovered state, perform rediscovery |
4117 | * only if the FCF with the same index of the in-use FCF got | |
4118 | * modified during normal operation. Otherwise, do nothing. | |
4119 | */ | |
4120 | if (phba->pport->port_state > LPFC_FLOGI) { | |
3804dc84 | 4121 | spin_unlock_irq(&phba->hbalock); |
25aee407 JS |
4122 | if (phba->fcf.current_rec.fcf_indx == |
4123 | acqe_fip->index) { | |
4124 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
4125 | "3300 In-use FCF (%d) " | |
4126 | "modified, perform FCF " | |
4127 | "rediscovery\n", | |
4128 | acqe_fip->index); | |
4129 | lpfc_sli4_perform_inuse_fcf_recovery(phba, | |
4130 | acqe_fip); | |
4131 | } | |
3804dc84 JS |
4132 | break; |
4133 | } | |
4134 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 | 4135 | |
0c9ab6f5 JS |
4136 | /* Otherwise, scan the entire FCF table and re-discover SAN */ |
4137 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
a93ff37a JS |
4138 | "2770 Start FCF table scan per async FCF " |
4139 | "event, evt_tag:x%x, index:x%x\n", | |
70f3c073 | 4140 | acqe_fip->event_tag, acqe_fip->index); |
0c9ab6f5 JS |
4141 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
4142 | LPFC_FCOE_FCF_GET_FIRST); | |
da0436e9 | 4143 | if (rc) |
0c9ab6f5 JS |
4144 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
4145 | "2547 Issue FCF scan read FCF mailbox " | |
a93ff37a | 4146 | "command failed (x%x)\n", rc); |
da0436e9 JS |
4147 | break; |
4148 | ||
70f3c073 | 4149 | case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: |
da0436e9 | 4150 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e4e74273 | 4151 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
70f3c073 JS |
4152 | bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), |
4153 | acqe_fip->event_tag); | |
da0436e9 JS |
4154 | break; |
4155 | ||
70f3c073 | 4156 | case LPFC_FIP_EVENT_TYPE_FCF_DEAD: |
80c17849 | 4157 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 4158 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 4159 | "2549 FCF (x%x) disconnected from network, " |
70f3c073 | 4160 | "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); |
38b92ef8 JS |
4161 | /* |
4162 | * If we are in the middle of FCF failover process, clear | |
4163 | * the corresponding FCF bit in the roundrobin bitmap. | |
da0436e9 | 4164 | */ |
fc2b989b | 4165 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4166 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b | 4167 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 | 4168 | /* Update FLOGI FCF failover eligible FCF bmask */ |
70f3c073 | 4169 | lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); |
fc2b989b JS |
4170 | break; |
4171 | } | |
38b92ef8 JS |
4172 | spin_unlock_irq(&phba->hbalock); |
4173 | ||
4174 | /* If the event is not for currently used fcf do nothing */ | |
70f3c073 | 4175 | if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) |
38b92ef8 JS |
4176 | break; |
4177 | ||
4178 | /* | |
4179 | * Otherwise, request the port to rediscover the entire FCF | |
4180 | * table for a fast recovery from case that the current FCF | |
4181 | * is no longer valid as we are not in the middle of FCF | |
4182 | * failover process already. | |
4183 | */ | |
25aee407 | 4184 | lpfc_sli4_perform_inuse_fcf_recovery(phba, acqe_fip); |
da0436e9 | 4185 | break; |
70f3c073 | 4186 | case LPFC_FIP_EVENT_TYPE_CVL: |
80c17849 | 4187 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 4188 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
6669f9bb | 4189 | "2718 Clear Virtual Link Received for VPI 0x%x" |
70f3c073 | 4190 | " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); |
6d368e53 | 4191 | |
6669f9bb | 4192 | vport = lpfc_find_vport_by_vpid(phba, |
5248a749 | 4193 | acqe_fip->index); |
fc2b989b | 4194 | ndlp = lpfc_sli4_perform_vport_cvl(vport); |
6669f9bb JS |
4195 | if (!ndlp) |
4196 | break; | |
695a814e JS |
4197 | active_vlink_present = 0; |
4198 | ||
4199 | vports = lpfc_create_vport_work_array(phba); | |
4200 | if (vports) { | |
4201 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
4202 | i++) { | |
4203 | if ((!(vports[i]->fc_flag & | |
4204 | FC_VPORT_CVL_RCVD)) && | |
4205 | (vports[i]->port_state > LPFC_FDISC)) { | |
4206 | active_vlink_present = 1; | |
4207 | break; | |
4208 | } | |
4209 | } | |
4210 | lpfc_destroy_vport_work_array(phba, vports); | |
4211 | } | |
4212 | ||
4213 | if (active_vlink_present) { | |
4214 | /* | |
4215 | * If there are other active VLinks present, | |
4216 | * re-instantiate the Vlink using FDISC. | |
4217 | */ | |
6669f9bb | 4218 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); |
fc2b989b | 4219 | shost = lpfc_shost_from_vport(vport); |
6669f9bb JS |
4220 | spin_lock_irq(shost->host_lock); |
4221 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
4222 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
4223 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
4224 | vport->port_state = LPFC_FDISC; | |
4225 | } else { | |
ecfd03c6 JS |
4226 | /* |
4227 | * Otherwise, we request port to rediscover | |
4228 | * the entire FCF table for a fast recovery | |
4229 | * from possible case that the current FCF | |
0c9ab6f5 JS |
4230 | * is no longer valid if we are not already |
4231 | * in the FCF failover process. | |
ecfd03c6 | 4232 | */ |
fc2b989b | 4233 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4234 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b JS |
4235 | spin_unlock_irq(&phba->hbalock); |
4236 | break; | |
4237 | } | |
4238 | /* Mark the fast failover process in progress */ | |
0c9ab6f5 | 4239 | phba->fcf.fcf_flag |= FCF_ACVL_DISC; |
fc2b989b | 4240 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
4241 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | |
4242 | LOG_DISCOVERY, | |
a93ff37a | 4243 | "2773 Start FCF failover per CVL, " |
70f3c073 | 4244 | "evt_tag:x%x\n", acqe_fip->event_tag); |
ecfd03c6 | 4245 | rc = lpfc_sli4_redisc_fcf_table(phba); |
fc2b989b | 4246 | if (rc) { |
0c9ab6f5 JS |
4247 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4248 | LOG_DISCOVERY, | |
4249 | "2774 Issue FCF rediscover " | |
4250 | "mabilbox command failed, " | |
4251 | "through to CVL event\n"); | |
fc2b989b | 4252 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4253 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b | 4254 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
4255 | /* |
4256 | * Last resort will be re-try on the | |
4257 | * the current registered FCF entry. | |
4258 | */ | |
4259 | lpfc_retry_pport_discovery(phba); | |
38b92ef8 JS |
4260 | } else |
4261 | /* | |
4262 | * Reset FCF roundrobin bmask for new | |
4263 | * discovery. | |
4264 | */ | |
7d791df7 | 4265 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
6669f9bb JS |
4266 | } |
4267 | break; | |
da0436e9 JS |
4268 | default: |
4269 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4270 | "0288 Unknown FCoE event type 0x%x event tag " | |
70f3c073 | 4271 | "0x%x\n", event_type, acqe_fip->event_tag); |
da0436e9 JS |
4272 | break; |
4273 | } | |
4274 | } | |
4275 | ||
4276 | /** | |
4277 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
4278 | * @phba: pointer to lpfc hba data structure. | |
4279 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
4280 | * | |
4281 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
4282 | **/ | |
4283 | static void | |
4284 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
4285 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
4286 | { | |
4d9ab994 | 4287 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
4288 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4289 | "0290 The SLI4 DCBX asynchronous event is not " | |
4290 | "handled yet\n"); | |
4291 | } | |
4292 | ||
b19a061a JS |
4293 | /** |
4294 | * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event | |
4295 | * @phba: pointer to lpfc hba data structure. | |
4296 | * @acqe_link: pointer to the async grp5 completion queue entry. | |
4297 | * | |
4298 | * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event | |
4299 | * is an asynchronous notified of a logical link speed change. The Port | |
4300 | * reports the logical link speed in units of 10Mbps. | |
4301 | **/ | |
4302 | static void | |
4303 | lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, | |
4304 | struct lpfc_acqe_grp5 *acqe_grp5) | |
4305 | { | |
4306 | uint16_t prev_ll_spd; | |
4307 | ||
4308 | phba->fc_eventTag = acqe_grp5->event_tag; | |
4309 | phba->fcoe_eventtag = acqe_grp5->event_tag; | |
4310 | prev_ll_spd = phba->sli4_hba.link_state.logical_speed; | |
4311 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 4312 | (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10; |
b19a061a JS |
4313 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4314 | "2789 GRP5 Async Event: Updating logical link speed " | |
8b68cd52 JS |
4315 | "from %dMbps to %dMbps\n", prev_ll_spd, |
4316 | phba->sli4_hba.link_state.logical_speed); | |
b19a061a JS |
4317 | } |
4318 | ||
da0436e9 JS |
4319 | /** |
4320 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
4321 | * @phba: pointer to lpfc hba data structure. | |
4322 | * | |
4323 | * This routine is invoked by the worker thread to process all the pending | |
4324 | * SLI4 asynchronous events. | |
4325 | **/ | |
4326 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
4327 | { | |
4328 | struct lpfc_cq_event *cq_event; | |
4329 | ||
4330 | /* First, declare the async event has been handled */ | |
4331 | spin_lock_irq(&phba->hbalock); | |
4332 | phba->hba_flag &= ~ASYNC_EVENT; | |
4333 | spin_unlock_irq(&phba->hbalock); | |
4334 | /* Now, handle all the async events */ | |
4335 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
4336 | /* Get the first event from the head of the event queue */ | |
4337 | spin_lock_irq(&phba->hbalock); | |
4338 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
4339 | cq_event, struct lpfc_cq_event, list); | |
4340 | spin_unlock_irq(&phba->hbalock); | |
4341 | /* Process the asynchronous event */ | |
4342 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
4343 | case LPFC_TRAILER_CODE_LINK: | |
4344 | lpfc_sli4_async_link_evt(phba, | |
4345 | &cq_event->cqe.acqe_link); | |
4346 | break; | |
4347 | case LPFC_TRAILER_CODE_FCOE: | |
70f3c073 | 4348 | lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); |
da0436e9 JS |
4349 | break; |
4350 | case LPFC_TRAILER_CODE_DCBX: | |
4351 | lpfc_sli4_async_dcbx_evt(phba, | |
4352 | &cq_event->cqe.acqe_dcbx); | |
4353 | break; | |
b19a061a JS |
4354 | case LPFC_TRAILER_CODE_GRP5: |
4355 | lpfc_sli4_async_grp5_evt(phba, | |
4356 | &cq_event->cqe.acqe_grp5); | |
4357 | break; | |
70f3c073 JS |
4358 | case LPFC_TRAILER_CODE_FC: |
4359 | lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); | |
4360 | break; | |
4361 | case LPFC_TRAILER_CODE_SLI: | |
4362 | lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); | |
4363 | break; | |
da0436e9 JS |
4364 | default: |
4365 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4366 | "1804 Invalid asynchrous event code: " | |
4367 | "x%x\n", bf_get(lpfc_trailer_code, | |
4368 | &cq_event->cqe.mcqe_cmpl)); | |
4369 | break; | |
4370 | } | |
4371 | /* Free the completion event processed to the free pool */ | |
4372 | lpfc_sli4_cq_event_release(phba, cq_event); | |
4373 | } | |
4374 | } | |
4375 | ||
ecfd03c6 JS |
4376 | /** |
4377 | * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event | |
4378 | * @phba: pointer to lpfc hba data structure. | |
4379 | * | |
4380 | * This routine is invoked by the worker thread to process FCF table | |
4381 | * rediscovery pending completion event. | |
4382 | **/ | |
4383 | void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) | |
4384 | { | |
4385 | int rc; | |
4386 | ||
4387 | spin_lock_irq(&phba->hbalock); | |
4388 | /* Clear FCF rediscovery timeout event */ | |
4389 | phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; | |
4390 | /* Clear driver fast failover FCF record flag */ | |
4391 | phba->fcf.failover_rec.flag = 0; | |
4392 | /* Set state for FCF fast failover */ | |
4393 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
4394 | spin_unlock_irq(&phba->hbalock); | |
4395 | ||
4396 | /* Scan FCF table from the first entry to re-discover SAN */ | |
0c9ab6f5 | 4397 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 4398 | "2777 Start post-quiescent FCF table scan\n"); |
0c9ab6f5 | 4399 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
ecfd03c6 | 4400 | if (rc) |
0c9ab6f5 JS |
4401 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
4402 | "2747 Issue FCF scan read FCF mailbox " | |
4403 | "command failed 0x%x\n", rc); | |
ecfd03c6 JS |
4404 | } |
4405 | ||
da0436e9 JS |
4406 | /** |
4407 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
4408 | * @phba: pointer to lpfc hba data structure. | |
4409 | * @dev_grp: The HBA PCI-Device group number. | |
4410 | * | |
4411 | * This routine is invoked to set up the per HBA PCI-Device group function | |
4412 | * API jump table entries. | |
4413 | * | |
4414 | * Return: 0 if success, otherwise -ENODEV | |
4415 | **/ | |
4416 | int | |
4417 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
4418 | { | |
4419 | int rc; | |
4420 | ||
4421 | /* Set up lpfc PCI-device group */ | |
4422 | phba->pci_dev_grp = dev_grp; | |
4423 | ||
4424 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
4425 | if (dev_grp == LPFC_PCI_DEV_OC) | |
4426 | phba->sli_rev = LPFC_SLI_REV4; | |
4427 | ||
4428 | /* Set up device INIT API function jump table */ | |
4429 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
4430 | if (rc) | |
4431 | return -ENODEV; | |
4432 | /* Set up SCSI API function jump table */ | |
4433 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
4434 | if (rc) | |
4435 | return -ENODEV; | |
4436 | /* Set up SLI API function jump table */ | |
4437 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
4438 | if (rc) | |
4439 | return -ENODEV; | |
4440 | /* Set up MBOX API function jump table */ | |
4441 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
4442 | if (rc) | |
4443 | return -ENODEV; | |
4444 | ||
4445 | return 0; | |
5b75da2f JS |
4446 | } |
4447 | ||
4448 | /** | |
3621a710 | 4449 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
4450 | * @phba: pointer to lpfc hba data structure. |
4451 | * @intr_mode: active interrupt mode adopted. | |
4452 | * | |
4453 | * This routine it invoked to log the currently used active interrupt mode | |
4454 | * to the device. | |
3772a991 JS |
4455 | **/ |
4456 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
4457 | { |
4458 | switch (intr_mode) { | |
4459 | case 0: | |
4460 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4461 | "0470 Enable INTx interrupt mode.\n"); | |
4462 | break; | |
4463 | case 1: | |
4464 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4465 | "0481 Enabled MSI interrupt mode.\n"); | |
4466 | break; | |
4467 | case 2: | |
4468 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4469 | "0480 Enabled MSI-X interrupt mode.\n"); | |
4470 | break; | |
4471 | default: | |
4472 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4473 | "0482 Illegal interrupt mode.\n"); | |
4474 | break; | |
4475 | } | |
4476 | return; | |
4477 | } | |
4478 | ||
5b75da2f | 4479 | /** |
3772a991 | 4480 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
4481 | * @phba: pointer to lpfc hba data structure. |
4482 | * | |
3772a991 JS |
4483 | * This routine is invoked to enable the PCI device that is common to all |
4484 | * PCI devices. | |
5b75da2f JS |
4485 | * |
4486 | * Return codes | |
af901ca1 | 4487 | * 0 - successful |
3772a991 | 4488 | * other values - error |
5b75da2f | 4489 | **/ |
3772a991 JS |
4490 | static int |
4491 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 4492 | { |
3772a991 | 4493 | struct pci_dev *pdev; |
079b5c91 | 4494 | int bars = 0; |
5b75da2f | 4495 | |
3772a991 JS |
4496 | /* Obtain PCI device reference */ |
4497 | if (!phba->pcidev) | |
4498 | goto out_error; | |
4499 | else | |
4500 | pdev = phba->pcidev; | |
4501 | /* Select PCI BARs */ | |
4502 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
4503 | /* Enable PCI device */ | |
4504 | if (pci_enable_device_mem(pdev)) | |
4505 | goto out_error; | |
4506 | /* Request PCI resource for the device */ | |
4507 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) | |
4508 | goto out_disable_device; | |
4509 | /* Set up device as PCI master and save state for EEH */ | |
4510 | pci_set_master(pdev); | |
4511 | pci_try_set_mwi(pdev); | |
4512 | pci_save_state(pdev); | |
5b75da2f | 4513 | |
0558056c JS |
4514 | /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ |
4515 | if (pci_find_capability(pdev, PCI_CAP_ID_EXP)) | |
4516 | pdev->needs_freset = 1; | |
4517 | ||
3772a991 | 4518 | return 0; |
5b75da2f | 4519 | |
3772a991 JS |
4520 | out_disable_device: |
4521 | pci_disable_device(pdev); | |
4522 | out_error: | |
079b5c91 JS |
4523 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4524 | "1401 Failed to enable pci device, bars:x%x\n", bars); | |
3772a991 | 4525 | return -ENODEV; |
5b75da2f JS |
4526 | } |
4527 | ||
4528 | /** | |
3772a991 | 4529 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
4530 | * @phba: pointer to lpfc hba data structure. |
4531 | * | |
3772a991 JS |
4532 | * This routine is invoked to disable the PCI device that is common to all |
4533 | * PCI devices. | |
5b75da2f JS |
4534 | **/ |
4535 | static void | |
3772a991 | 4536 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 4537 | { |
3772a991 JS |
4538 | struct pci_dev *pdev; |
4539 | int bars; | |
5b75da2f | 4540 | |
3772a991 JS |
4541 | /* Obtain PCI device reference */ |
4542 | if (!phba->pcidev) | |
4543 | return; | |
4544 | else | |
4545 | pdev = phba->pcidev; | |
4546 | /* Select PCI BARs */ | |
4547 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
4548 | /* Release PCI resource and disable PCI device */ | |
4549 | pci_release_selected_regions(pdev, bars); | |
4550 | pci_disable_device(pdev); | |
4551 | /* Null out PCI private reference to driver */ | |
4552 | pci_set_drvdata(pdev, NULL); | |
5b75da2f JS |
4553 | |
4554 | return; | |
4555 | } | |
4556 | ||
e59058c4 | 4557 | /** |
3772a991 JS |
4558 | * lpfc_reset_hba - Reset a hba |
4559 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 4560 | * |
3772a991 JS |
4561 | * This routine is invoked to reset a hba device. It brings the HBA |
4562 | * offline, performs a board restart, and then brings the board back | |
4563 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
4564 | * on outstanding mailbox commands. | |
e59058c4 | 4565 | **/ |
3772a991 JS |
4566 | void |
4567 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 4568 | { |
3772a991 JS |
4569 | /* If resets are disabled then set error state and return. */ |
4570 | if (!phba->cfg_enable_hba_reset) { | |
4571 | phba->link_state = LPFC_HBA_ERROR; | |
4572 | return; | |
4573 | } | |
618a5230 | 4574 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3772a991 JS |
4575 | lpfc_offline(phba); |
4576 | lpfc_sli_brdrestart(phba); | |
4577 | lpfc_online(phba); | |
4578 | lpfc_unblock_mgmt_io(phba); | |
4579 | } | |
dea3101e | 4580 | |
0a96e975 JS |
4581 | /** |
4582 | * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions | |
4583 | * @phba: pointer to lpfc hba data structure. | |
4584 | * | |
4585 | * This function enables the PCI SR-IOV virtual functions to a physical | |
4586 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
4587 | * enable the number of virtual functions to the physical function. As | |
4588 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
4589 | * API call does not considered as an error condition for most of the device. | |
4590 | **/ | |
4591 | uint16_t | |
4592 | lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) | |
4593 | { | |
4594 | struct pci_dev *pdev = phba->pcidev; | |
4595 | uint16_t nr_virtfn; | |
4596 | int pos; | |
4597 | ||
0a96e975 JS |
4598 | pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); |
4599 | if (pos == 0) | |
4600 | return 0; | |
4601 | ||
4602 | pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn); | |
4603 | return nr_virtfn; | |
4604 | } | |
4605 | ||
912e3acd JS |
4606 | /** |
4607 | * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions | |
4608 | * @phba: pointer to lpfc hba data structure. | |
4609 | * @nr_vfn: number of virtual functions to be enabled. | |
4610 | * | |
4611 | * This function enables the PCI SR-IOV virtual functions to a physical | |
4612 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
4613 | * enable the number of virtual functions to the physical function. As | |
4614 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
4615 | * API call does not considered as an error condition for most of the device. | |
4616 | **/ | |
4617 | int | |
4618 | lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) | |
4619 | { | |
4620 | struct pci_dev *pdev = phba->pcidev; | |
0a96e975 | 4621 | uint16_t max_nr_vfn; |
912e3acd JS |
4622 | int rc; |
4623 | ||
0a96e975 JS |
4624 | max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
4625 | if (nr_vfn > max_nr_vfn) { | |
4626 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4627 | "3057 Requested vfs (%d) greater than " | |
4628 | "supported vfs (%d)", nr_vfn, max_nr_vfn); | |
4629 | return -EINVAL; | |
4630 | } | |
4631 | ||
912e3acd JS |
4632 | rc = pci_enable_sriov(pdev, nr_vfn); |
4633 | if (rc) { | |
4634 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4635 | "2806 Failed to enable sriov on this device " | |
4636 | "with vfn number nr_vf:%d, rc:%d\n", | |
4637 | nr_vfn, rc); | |
4638 | } else | |
4639 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4640 | "2807 Successful enable sriov on this device " | |
4641 | "with vfn number nr_vf:%d\n", nr_vfn); | |
4642 | return rc; | |
4643 | } | |
4644 | ||
3772a991 JS |
4645 | /** |
4646 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev. | |
4647 | * @phba: pointer to lpfc hba data structure. | |
4648 | * | |
4649 | * This routine is invoked to set up the driver internal resources specific to | |
4650 | * support the SLI-3 HBA device it attached to. | |
4651 | * | |
4652 | * Return codes | |
af901ca1 | 4653 | * 0 - successful |
3772a991 JS |
4654 | * other values - error |
4655 | **/ | |
4656 | static int | |
4657 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
4658 | { | |
4659 | struct lpfc_sli *psli; | |
912e3acd | 4660 | int rc; |
dea3101e | 4661 | |
2e0fef85 | 4662 | /* |
3772a991 | 4663 | * Initialize timers used by driver |
2e0fef85 | 4664 | */ |
dea3101e | 4665 | |
3772a991 | 4666 | /* Heartbeat timer */ |
858c9f6c JS |
4667 | init_timer(&phba->hb_tmofunc); |
4668 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4669 | phba->hb_tmofunc.data = (unsigned long)phba; | |
4670 | ||
dea3101e | 4671 | psli = &phba->sli; |
3772a991 | 4672 | /* MBOX heartbeat timer */ |
dea3101e JB |
4673 | init_timer(&psli->mbox_tmo); |
4674 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 4675 | psli->mbox_tmo.data = (unsigned long) phba; |
3772a991 | 4676 | /* FCP polling mode timer */ |
875fbdfe JSEC |
4677 | init_timer(&phba->fcp_poll_timer); |
4678 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 4679 | phba->fcp_poll_timer.data = (unsigned long) phba; |
3772a991 | 4680 | /* Fabric block timer */ |
92d7f7b0 JS |
4681 | init_timer(&phba->fabric_block_timer); |
4682 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4683 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3772a991 | 4684 | /* EA polling mode timer */ |
9399627f JS |
4685 | init_timer(&phba->eratt_poll); |
4686 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4687 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 4688 | |
3772a991 JS |
4689 | /* Host attention work mask setup */ |
4690 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
4691 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 4692 | |
3772a991 JS |
4693 | /* Get all the module params for configuring this host */ |
4694 | lpfc_get_cfgparam(phba); | |
49198b37 JS |
4695 | if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { |
4696 | phba->menlo_flag |= HBA_MENLO_SUPPORT; | |
4697 | /* check for menlo minimum sg count */ | |
4698 | if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) | |
4699 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; | |
4700 | } | |
4701 | ||
2a76a283 JS |
4702 | if (!phba->sli.ring) |
4703 | phba->sli.ring = (struct lpfc_sli_ring *) | |
4704 | kzalloc(LPFC_SLI3_MAX_RING * | |
4705 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); | |
4706 | if (!phba->sli.ring) | |
4707 | return -ENOMEM; | |
4708 | ||
dea3101e | 4709 | /* |
3772a991 JS |
4710 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
4711 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
4712 | * 2 segments are added since the IOCB needs a command and response bde. | |
dea3101e | 4713 | */ |
3772a991 JS |
4714 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
4715 | sizeof(struct fcp_rsp) + | |
4716 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
4717 | ||
4718 | if (phba->cfg_enable_bg) { | |
4719 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
4720 | phba->cfg_sg_dma_buf_size += | |
4721 | phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64); | |
901a920f | 4722 | } |
dea3101e | 4723 | |
3772a991 JS |
4724 | /* Also reinitialize the host templates with new values. */ |
4725 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4726 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
dea3101e | 4727 | |
3772a991 JS |
4728 | phba->max_vpi = LPFC_MAX_VPI; |
4729 | /* This will be set to correct value after config_port mbox */ | |
4730 | phba->max_vports = 0; | |
dea3101e | 4731 | |
3772a991 JS |
4732 | /* |
4733 | * Initialize the SLI Layer to run with lpfc HBAs. | |
4734 | */ | |
4735 | lpfc_sli_setup(phba); | |
4736 | lpfc_sli_queue_setup(phba); | |
ed957684 | 4737 | |
3772a991 JS |
4738 | /* Allocate device driver memory */ |
4739 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
4740 | return -ENOMEM; | |
51ef4c26 | 4741 | |
912e3acd JS |
4742 | /* |
4743 | * Enable sr-iov virtual functions if supported and configured | |
4744 | * through the module parameter. | |
4745 | */ | |
4746 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4747 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
4748 | phba->cfg_sriov_nr_virtfn); | |
4749 | if (rc) { | |
4750 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4751 | "2808 Requested number of SR-IOV " | |
4752 | "virtual functions (%d) is not " | |
4753 | "supported\n", | |
4754 | phba->cfg_sriov_nr_virtfn); | |
4755 | phba->cfg_sriov_nr_virtfn = 0; | |
4756 | } | |
4757 | } | |
4758 | ||
3772a991 JS |
4759 | return 0; |
4760 | } | |
ed957684 | 4761 | |
3772a991 JS |
4762 | /** |
4763 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
4764 | * @phba: pointer to lpfc hba data structure. | |
4765 | * | |
4766 | * This routine is invoked to unset the driver internal resources set up | |
4767 | * specific for supporting the SLI-3 HBA device it attached to. | |
4768 | **/ | |
4769 | static void | |
4770 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
4771 | { | |
4772 | /* Free device driver memory allocated */ | |
4773 | lpfc_mem_free_all(phba); | |
3163f725 | 4774 | |
3772a991 JS |
4775 | return; |
4776 | } | |
dea3101e | 4777 | |
3772a991 | 4778 | /** |
da0436e9 | 4779 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
4780 | * @phba: pointer to lpfc hba data structure. |
4781 | * | |
da0436e9 JS |
4782 | * This routine is invoked to set up the driver internal resources specific to |
4783 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
4784 | * |
4785 | * Return codes | |
af901ca1 | 4786 | * 0 - successful |
da0436e9 | 4787 | * other values - error |
3772a991 JS |
4788 | **/ |
4789 | static int | |
da0436e9 | 4790 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 4791 | { |
da0436e9 | 4792 | struct lpfc_sli *psli; |
28baac74 JS |
4793 | LPFC_MBOXQ_t *mboxq; |
4794 | int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size; | |
4795 | uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; | |
4796 | struct lpfc_mqe *mqe; | |
085c647c | 4797 | int longs, sli_family; |
acd6859b | 4798 | int sges_per_segment; |
da0436e9 JS |
4799 | |
4800 | /* Before proceed, wait for POST done and device ready */ | |
4801 | rc = lpfc_sli4_post_status_check(phba); | |
4802 | if (rc) | |
4803 | return -ENODEV; | |
4804 | ||
3772a991 | 4805 | /* |
da0436e9 | 4806 | * Initialize timers used by driver |
3772a991 | 4807 | */ |
3772a991 | 4808 | |
da0436e9 JS |
4809 | /* Heartbeat timer */ |
4810 | init_timer(&phba->hb_tmofunc); | |
4811 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4812 | phba->hb_tmofunc.data = (unsigned long)phba; | |
19ca7609 JS |
4813 | init_timer(&phba->rrq_tmr); |
4814 | phba->rrq_tmr.function = lpfc_rrq_timeout; | |
4815 | phba->rrq_tmr.data = (unsigned long)phba; | |
3772a991 | 4816 | |
da0436e9 JS |
4817 | psli = &phba->sli; |
4818 | /* MBOX heartbeat timer */ | |
4819 | init_timer(&psli->mbox_tmo); | |
4820 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
4821 | psli->mbox_tmo.data = (unsigned long) phba; | |
4822 | /* Fabric block timer */ | |
4823 | init_timer(&phba->fabric_block_timer); | |
4824 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4825 | phba->fabric_block_timer.data = (unsigned long) phba; | |
4826 | /* EA polling mode timer */ | |
4827 | init_timer(&phba->eratt_poll); | |
4828 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4829 | phba->eratt_poll.data = (unsigned long) phba; | |
ecfd03c6 JS |
4830 | /* FCF rediscover timer */ |
4831 | init_timer(&phba->fcf.redisc_wait); | |
4832 | phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo; | |
4833 | phba->fcf.redisc_wait.data = (unsigned long)phba; | |
4834 | ||
7ad20aa9 JS |
4835 | /* |
4836 | * Control structure for handling external multi-buffer mailbox | |
4837 | * command pass-through. | |
4838 | */ | |
4839 | memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0, | |
4840 | sizeof(struct lpfc_mbox_ext_buf_ctx)); | |
4841 | INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
4842 | ||
da0436e9 JS |
4843 | /* |
4844 | * We need to do a READ_CONFIG mailbox command here before | |
4845 | * calling lpfc_get_cfgparam. For VFs this will report the | |
4846 | * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings. | |
4847 | * All of the resources allocated | |
4848 | * for this Port are tied to these values. | |
4849 | */ | |
4850 | /* Get all the module params for configuring this host */ | |
4851 | lpfc_get_cfgparam(phba); | |
4852 | phba->max_vpi = LPFC_MAX_VPI; | |
67d12733 JS |
4853 | |
4854 | /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */ | |
4855 | phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count; | |
4856 | ||
da0436e9 JS |
4857 | /* This will be set to correct value after the read_config mbox */ |
4858 | phba->max_vports = 0; | |
3772a991 | 4859 | |
da0436e9 JS |
4860 | /* Program the default value of vlan_id and fc_map */ |
4861 | phba->valid_vlan = 0; | |
4862 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
4863 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
4864 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 4865 | |
acd6859b JS |
4866 | /* With BlockGuard we can have multiple SGEs per Data Segemnt */ |
4867 | sges_per_segment = 1; | |
4868 | if (phba->cfg_enable_bg) | |
4869 | sges_per_segment = 2; | |
4870 | ||
2a76a283 JS |
4871 | /* |
4872 | * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands | |
4873 | * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple. | |
4874 | */ | |
4875 | if (!phba->sli.ring) | |
4876 | phba->sli.ring = kzalloc( | |
67d12733 | 4877 | (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) * |
2a76a283 JS |
4878 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
4879 | if (!phba->sli.ring) | |
4880 | return -ENOMEM; | |
da0436e9 JS |
4881 | /* |
4882 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
4883 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
4884 | * 2 segments are added since the IOCB needs a command and response bde. | |
4885 | * To insure that the scsi sgl does not cross a 4k page boundary only | |
28baac74 | 4886 | * sgl sizes of must be a power of 2. |
da0436e9 | 4887 | */ |
28baac74 | 4888 | buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + |
acd6859b JS |
4889 | (((phba->cfg_sg_seg_cnt * sges_per_segment) + 2) * |
4890 | sizeof(struct sli4_sge))); | |
085c647c JS |
4891 | |
4892 | sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf); | |
4893 | max_buf_size = LPFC_SLI4_MAX_BUF_SIZE; | |
4894 | switch (sli_family) { | |
4895 | case LPFC_SLI_INTF_FAMILY_BE2: | |
4896 | case LPFC_SLI_INTF_FAMILY_BE3: | |
4897 | /* There is a single hint for BE - 2 pages per BPL. */ | |
4898 | if (bf_get(lpfc_sli_intf_sli_hint1, &phba->sli4_hba.sli_intf) == | |
4899 | LPFC_SLI_INTF_SLI_HINT1_1) | |
4900 | max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE; | |
4901 | break; | |
4902 | case LPFC_SLI_INTF_FAMILY_LNCR_A0: | |
4903 | case LPFC_SLI_INTF_FAMILY_LNCR_B0: | |
4904 | default: | |
4905 | break; | |
4906 | } | |
acd6859b | 4907 | |
28baac74 JS |
4908 | for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE; |
4909 | dma_buf_size < max_buf_size && buf_size > dma_buf_size; | |
4910 | dma_buf_size = dma_buf_size << 1) | |
4911 | ; | |
4912 | if (dma_buf_size == max_buf_size) | |
4913 | phba->cfg_sg_seg_cnt = (dma_buf_size - | |
4914 | sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) - | |
4915 | (2 * sizeof(struct sli4_sge))) / | |
4916 | sizeof(struct sli4_sge); | |
4917 | phba->cfg_sg_dma_buf_size = dma_buf_size; | |
3772a991 | 4918 | |
da0436e9 JS |
4919 | /* Initialize buffer queue management fields */ |
4920 | hbq_count = lpfc_sli_hbq_count(); | |
4921 | for (i = 0; i < hbq_count; ++i) | |
4922 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
4923 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
4924 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; | |
4925 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 4926 | |
da0436e9 JS |
4927 | /* |
4928 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
4929 | */ | |
4930 | /* Initialize the Abort scsi buffer list used by driver */ | |
4931 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
4932 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
4933 | /* This abort list used by worker thread */ | |
4934 | spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); | |
3772a991 | 4935 | |
da0436e9 | 4936 | /* |
6d368e53 | 4937 | * Initialize driver internal slow-path work queues |
da0436e9 | 4938 | */ |
3772a991 | 4939 | |
da0436e9 JS |
4940 | /* Driver internel slow-path CQ Event pool */ |
4941 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
4942 | /* Response IOCB work queue list */ | |
45ed1190 | 4943 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
4944 | /* Asynchronous event CQ Event work queue list */ |
4945 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
4946 | /* Fast-path XRI aborted CQ Event work queue list */ | |
4947 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
4948 | /* Slow-path XRI aborted CQ Event work queue list */ | |
4949 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
4950 | /* Receive queue CQ Event work queue list */ | |
4951 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
4952 | ||
6d368e53 JS |
4953 | /* Initialize extent block lists. */ |
4954 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); | |
4955 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); | |
4956 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); | |
4957 | INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); | |
4958 | ||
da0436e9 JS |
4959 | /* Initialize the driver internal SLI layer lists. */ |
4960 | lpfc_sli_setup(phba); | |
4961 | lpfc_sli_queue_setup(phba); | |
3772a991 | 4962 | |
da0436e9 JS |
4963 | /* Allocate device driver memory */ |
4964 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
4965 | if (rc) | |
4966 | return -ENOMEM; | |
4967 | ||
2fcee4bf JS |
4968 | /* IF Type 2 ports get initialized now. */ |
4969 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
4970 | LPFC_SLI_INTF_IF_TYPE_2) { | |
4971 | rc = lpfc_pci_function_reset(phba); | |
4972 | if (unlikely(rc)) | |
4973 | return -ENODEV; | |
4974 | } | |
4975 | ||
da0436e9 JS |
4976 | /* Create the bootstrap mailbox command */ |
4977 | rc = lpfc_create_bootstrap_mbox(phba); | |
4978 | if (unlikely(rc)) | |
4979 | goto out_free_mem; | |
4980 | ||
4981 | /* Set up the host's endian order with the device. */ | |
4982 | rc = lpfc_setup_endian_order(phba); | |
4983 | if (unlikely(rc)) | |
4984 | goto out_free_bsmbx; | |
4985 | ||
4986 | /* Set up the hba's configuration parameters. */ | |
4987 | rc = lpfc_sli4_read_config(phba); | |
4988 | if (unlikely(rc)) | |
4989 | goto out_free_bsmbx; | |
4990 | ||
2fcee4bf JS |
4991 | /* IF Type 0 ports get initialized now. */ |
4992 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
4993 | LPFC_SLI_INTF_IF_TYPE_0) { | |
4994 | rc = lpfc_pci_function_reset(phba); | |
4995 | if (unlikely(rc)) | |
4996 | goto out_free_bsmbx; | |
4997 | } | |
da0436e9 | 4998 | |
cb5172ea JS |
4999 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
5000 | GFP_KERNEL); | |
5001 | if (!mboxq) { | |
5002 | rc = -ENOMEM; | |
5003 | goto out_free_bsmbx; | |
5004 | } | |
5005 | ||
fedd3b7b | 5006 | /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ |
cb5172ea JS |
5007 | lpfc_supported_pages(mboxq); |
5008 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
fedd3b7b JS |
5009 | if (!rc) { |
5010 | mqe = &mboxq->u.mqe; | |
5011 | memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), | |
5012 | LPFC_MAX_SUPPORTED_PAGES); | |
5013 | for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { | |
5014 | switch (pn_page[i]) { | |
5015 | case LPFC_SLI4_PARAMETERS: | |
5016 | phba->sli4_hba.pc_sli4_params.supported = 1; | |
5017 | break; | |
5018 | default: | |
5019 | break; | |
5020 | } | |
5021 | } | |
5022 | /* Read the port's SLI4 Parameters capabilities if supported. */ | |
5023 | if (phba->sli4_hba.pc_sli4_params.supported) | |
5024 | rc = lpfc_pc_sli4_params_get(phba, mboxq); | |
5025 | if (rc) { | |
5026 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5027 | rc = -EIO; | |
5028 | goto out_free_bsmbx; | |
cb5172ea JS |
5029 | } |
5030 | } | |
fedd3b7b JS |
5031 | /* |
5032 | * Get sli4 parameters that override parameters from Port capabilities. | |
6d368e53 JS |
5033 | * If this call fails, it isn't critical unless the SLI4 parameters come |
5034 | * back in conflict. | |
fedd3b7b | 5035 | */ |
6d368e53 JS |
5036 | rc = lpfc_get_sli4_parameters(phba, mboxq); |
5037 | if (rc) { | |
5038 | if (phba->sli4_hba.extents_in_use && | |
5039 | phba->sli4_hba.rpi_hdrs_in_use) { | |
5040 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5041 | "2999 Unsupported SLI4 Parameters " | |
5042 | "Extents and RPI headers enabled.\n"); | |
5043 | goto out_free_bsmbx; | |
5044 | } | |
5045 | } | |
cb5172ea | 5046 | mempool_free(mboxq, phba->mbox_mem_pool); |
5350d872 JS |
5047 | /* Verify all the SLI4 queues */ |
5048 | rc = lpfc_sli4_queue_verify(phba); | |
da0436e9 JS |
5049 | if (rc) |
5050 | goto out_free_bsmbx; | |
5051 | ||
5052 | /* Create driver internal CQE event pool */ | |
5053 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
5054 | if (rc) | |
5350d872 | 5055 | goto out_free_bsmbx; |
da0436e9 | 5056 | |
8a9d2e80 JS |
5057 | /* Initialize sgl lists per host */ |
5058 | lpfc_init_sgl_list(phba); | |
5059 | ||
5060 | /* Allocate and initialize active sgl array */ | |
da0436e9 JS |
5061 | rc = lpfc_init_active_sgl_array(phba); |
5062 | if (rc) { | |
5063 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5064 | "1430 Failed to initialize sgl list.\n"); | |
8a9d2e80 | 5065 | goto out_destroy_cq_event_pool; |
da0436e9 | 5066 | } |
da0436e9 JS |
5067 | rc = lpfc_sli4_init_rpi_hdrs(phba); |
5068 | if (rc) { | |
5069 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5070 | "1432 Failed to initialize rpi headers.\n"); | |
5071 | goto out_free_active_sgl; | |
5072 | } | |
5073 | ||
a93ff37a | 5074 | /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ |
0c9ab6f5 JS |
5075 | longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; |
5076 | phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), | |
5077 | GFP_KERNEL); | |
5078 | if (!phba->fcf.fcf_rr_bmask) { | |
5079 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5080 | "2759 Failed allocate memory for FCF round " | |
5081 | "robin failover bmask\n"); | |
0558056c | 5082 | rc = -ENOMEM; |
0c9ab6f5 JS |
5083 | goto out_remove_rpi_hdrs; |
5084 | } | |
5085 | ||
67d12733 JS |
5086 | phba->sli4_hba.fcp_eq_hdl = |
5087 | kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * | |
5088 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
5089 | if (!phba->sli4_hba.fcp_eq_hdl) { | |
5090 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5091 | "2572 Failed allocate memory for " | |
5092 | "fast-path per-EQ handle array\n"); | |
5093 | rc = -ENOMEM; | |
5094 | goto out_free_fcf_rr_bmask; | |
da0436e9 JS |
5095 | } |
5096 | ||
5097 | phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * | |
82c3e9ba | 5098 | phba->cfg_fcp_io_channel), GFP_KERNEL); |
da0436e9 JS |
5099 | if (!phba->sli4_hba.msix_entries) { |
5100 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5101 | "2573 Failed allocate memory for msi-x " | |
5102 | "interrupt vector entries\n"); | |
0558056c | 5103 | rc = -ENOMEM; |
da0436e9 JS |
5104 | goto out_free_fcp_eq_hdl; |
5105 | } | |
5106 | ||
912e3acd JS |
5107 | /* |
5108 | * Enable sr-iov virtual functions if supported and configured | |
5109 | * through the module parameter. | |
5110 | */ | |
5111 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
5112 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
5113 | phba->cfg_sriov_nr_virtfn); | |
5114 | if (rc) { | |
5115 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5116 | "3020 Requested number of SR-IOV " | |
5117 | "virtual functions (%d) is not " | |
5118 | "supported\n", | |
5119 | phba->cfg_sriov_nr_virtfn); | |
5120 | phba->cfg_sriov_nr_virtfn = 0; | |
5121 | } | |
5122 | } | |
5123 | ||
5248a749 | 5124 | return 0; |
da0436e9 JS |
5125 | |
5126 | out_free_fcp_eq_hdl: | |
5127 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
0c9ab6f5 JS |
5128 | out_free_fcf_rr_bmask: |
5129 | kfree(phba->fcf.fcf_rr_bmask); | |
da0436e9 JS |
5130 | out_remove_rpi_hdrs: |
5131 | lpfc_sli4_remove_rpi_hdrs(phba); | |
5132 | out_free_active_sgl: | |
5133 | lpfc_free_active_sgl(phba); | |
da0436e9 JS |
5134 | out_destroy_cq_event_pool: |
5135 | lpfc_sli4_cq_event_pool_destroy(phba); | |
da0436e9 JS |
5136 | out_free_bsmbx: |
5137 | lpfc_destroy_bootstrap_mbox(phba); | |
5138 | out_free_mem: | |
5139 | lpfc_mem_free(phba); | |
5140 | return rc; | |
5141 | } | |
5142 | ||
5143 | /** | |
5144 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
5145 | * @phba: pointer to lpfc hba data structure. | |
5146 | * | |
5147 | * This routine is invoked to unset the driver internal resources set up | |
5148 | * specific for supporting the SLI-4 HBA device it attached to. | |
5149 | **/ | |
5150 | static void | |
5151 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
5152 | { | |
5153 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5154 | ||
da0436e9 JS |
5155 | /* Free memory allocated for msi-x interrupt vector entries */ |
5156 | kfree(phba->sli4_hba.msix_entries); | |
5157 | ||
5158 | /* Free memory allocated for fast-path work queue handles */ | |
5159 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
5160 | ||
5161 | /* Free the allocated rpi headers. */ | |
5162 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 5163 | lpfc_sli4_remove_rpis(phba); |
da0436e9 | 5164 | |
0c9ab6f5 JS |
5165 | /* Free eligible FCF index bmask */ |
5166 | kfree(phba->fcf.fcf_rr_bmask); | |
5167 | ||
da0436e9 JS |
5168 | /* Free the ELS sgl list */ |
5169 | lpfc_free_active_sgl(phba); | |
8a9d2e80 | 5170 | lpfc_free_els_sgl_list(phba); |
da0436e9 | 5171 | |
da0436e9 JS |
5172 | /* Free the completion queue EQ event pool */ |
5173 | lpfc_sli4_cq_event_release_all(phba); | |
5174 | lpfc_sli4_cq_event_pool_destroy(phba); | |
5175 | ||
6d368e53 JS |
5176 | /* Release resource identifiers. */ |
5177 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
5178 | ||
da0436e9 JS |
5179 | /* Free the bsmbx region. */ |
5180 | lpfc_destroy_bootstrap_mbox(phba); | |
5181 | ||
5182 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
5183 | lpfc_mem_free_all(phba); | |
5184 | ||
5185 | /* Free the current connect table */ | |
5186 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5187 | &phba->fcf_conn_rec_list, list) { |
5188 | list_del_init(&conn_entry->list); | |
da0436e9 | 5189 | kfree(conn_entry); |
4d9ab994 | 5190 | } |
da0436e9 JS |
5191 | |
5192 | return; | |
5193 | } | |
5194 | ||
5195 | /** | |
25985edc | 5196 | * lpfc_init_api_table_setup - Set up init api function jump table |
da0436e9 JS |
5197 | * @phba: The hba struct for which this call is being executed. |
5198 | * @dev_grp: The HBA PCI-Device group number. | |
5199 | * | |
5200 | * This routine sets up the device INIT interface API function jump table | |
5201 | * in @phba struct. | |
5202 | * | |
5203 | * Returns: 0 - success, -ENODEV - failure. | |
5204 | **/ | |
5205 | int | |
5206 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
5207 | { | |
84d1b006 JS |
5208 | phba->lpfc_hba_init_link = lpfc_hba_init_link; |
5209 | phba->lpfc_hba_down_link = lpfc_hba_down_link; | |
7f86059a | 5210 | phba->lpfc_selective_reset = lpfc_selective_reset; |
da0436e9 JS |
5211 | switch (dev_grp) { |
5212 | case LPFC_PCI_DEV_LP: | |
5213 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
5214 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
5215 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
5216 | break; | |
5217 | case LPFC_PCI_DEV_OC: | |
5218 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
5219 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
5220 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
5221 | break; | |
5222 | default: | |
5223 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5224 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
5225 | dev_grp); | |
5226 | return -ENODEV; | |
5227 | break; | |
5228 | } | |
5229 | return 0; | |
5230 | } | |
5231 | ||
5232 | /** | |
5233 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. | |
5234 | * @phba: pointer to lpfc hba data structure. | |
5235 | * | |
5236 | * This routine is invoked to set up the driver internal resources before the | |
5237 | * device specific resource setup to support the HBA device it attached to. | |
5238 | * | |
5239 | * Return codes | |
af901ca1 | 5240 | * 0 - successful |
da0436e9 JS |
5241 | * other values - error |
5242 | **/ | |
5243 | static int | |
5244 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) | |
5245 | { | |
5246 | /* | |
5247 | * Driver resources common to all SLI revisions | |
5248 | */ | |
5249 | atomic_set(&phba->fast_event_count, 0); | |
5250 | spin_lock_init(&phba->hbalock); | |
5251 | ||
5252 | /* Initialize ndlp management spinlock */ | |
5253 | spin_lock_init(&phba->ndlp_lock); | |
5254 | ||
5255 | INIT_LIST_HEAD(&phba->port_list); | |
5256 | INIT_LIST_HEAD(&phba->work_list); | |
5257 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
5258 | ||
5259 | /* Initialize the wait queue head for the kernel thread */ | |
5260 | init_waitqueue_head(&phba->work_waitq); | |
5261 | ||
5262 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
5263 | spin_lock_init(&phba->scsi_buf_list_lock); | |
5264 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); | |
5265 | ||
5266 | /* Initialize the fabric iocb list */ | |
5267 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
5268 | ||
5269 | /* Initialize list to save ELS buffers */ | |
5270 | INIT_LIST_HEAD(&phba->elsbuf); | |
5271 | ||
5272 | /* Initialize FCF connection rec list */ | |
5273 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
5274 | ||
5275 | return 0; | |
5276 | } | |
5277 | ||
5278 | /** | |
5279 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
5280 | * @phba: pointer to lpfc hba data structure. | |
5281 | * | |
5282 | * This routine is invoked to set up the driver internal resources after the | |
5283 | * device specific resource setup to support the HBA device it attached to. | |
5284 | * | |
5285 | * Return codes | |
af901ca1 | 5286 | * 0 - successful |
da0436e9 JS |
5287 | * other values - error |
5288 | **/ | |
5289 | static int | |
5290 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
5291 | { | |
5292 | int error; | |
5293 | ||
5294 | /* Startup the kernel thread for this host adapter. */ | |
5295 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
5296 | "lpfc_worker_%d", phba->brd_no); | |
5297 | if (IS_ERR(phba->worker_thread)) { | |
5298 | error = PTR_ERR(phba->worker_thread); | |
5299 | return error; | |
3772a991 JS |
5300 | } |
5301 | ||
5302 | return 0; | |
5303 | } | |
5304 | ||
5305 | /** | |
5306 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
5307 | * @phba: pointer to lpfc hba data structure. | |
5308 | * | |
5309 | * This routine is invoked to unset the driver internal resources set up after | |
5310 | * the device specific resource setup for supporting the HBA device it | |
5311 | * attached to. | |
5312 | **/ | |
5313 | static void | |
5314 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
5315 | { | |
5316 | /* Stop kernel worker thread */ | |
5317 | kthread_stop(phba->worker_thread); | |
5318 | } | |
5319 | ||
5320 | /** | |
5321 | * lpfc_free_iocb_list - Free iocb list. | |
5322 | * @phba: pointer to lpfc hba data structure. | |
5323 | * | |
5324 | * This routine is invoked to free the driver's IOCB list and memory. | |
5325 | **/ | |
5326 | static void | |
5327 | lpfc_free_iocb_list(struct lpfc_hba *phba) | |
5328 | { | |
5329 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
5330 | ||
5331 | spin_lock_irq(&phba->hbalock); | |
5332 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
5333 | &phba->lpfc_iocb_list, list) { | |
5334 | list_del(&iocbq_entry->list); | |
5335 | kfree(iocbq_entry); | |
5336 | phba->total_iocbq_bufs--; | |
98c9ea5c | 5337 | } |
3772a991 JS |
5338 | spin_unlock_irq(&phba->hbalock); |
5339 | ||
5340 | return; | |
5341 | } | |
5342 | ||
5343 | /** | |
5344 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
5345 | * @phba: pointer to lpfc hba data structure. | |
5346 | * | |
5347 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
5348 | * list and set up the IOCB tag array accordingly. | |
5349 | * | |
5350 | * Return codes | |
af901ca1 | 5351 | * 0 - successful |
3772a991 JS |
5352 | * other values - error |
5353 | **/ | |
5354 | static int | |
5355 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) | |
5356 | { | |
5357 | struct lpfc_iocbq *iocbq_entry = NULL; | |
5358 | uint16_t iotag; | |
5359 | int i; | |
dea3101e JB |
5360 | |
5361 | /* Initialize and populate the iocb list per host. */ | |
5362 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 5363 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 5364 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
5365 | if (iocbq_entry == NULL) { |
5366 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
5367 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 5368 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e JB |
5369 | goto out_free_iocbq; |
5370 | } | |
5371 | ||
604a3e30 JB |
5372 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
5373 | if (iotag == 0) { | |
3772a991 | 5374 | kfree(iocbq_entry); |
604a3e30 | 5375 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 5376 | "Unloading driver.\n", __func__); |
604a3e30 JB |
5377 | goto out_free_iocbq; |
5378 | } | |
6d368e53 | 5379 | iocbq_entry->sli4_lxritag = NO_XRI; |
3772a991 | 5380 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
5381 | |
5382 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
5383 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
5384 | phba->total_iocbq_bufs++; | |
2e0fef85 | 5385 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5386 | } |
5387 | ||
3772a991 | 5388 | return 0; |
dea3101e | 5389 | |
3772a991 JS |
5390 | out_free_iocbq: |
5391 | lpfc_free_iocb_list(phba); | |
dea3101e | 5392 | |
3772a991 JS |
5393 | return -ENOMEM; |
5394 | } | |
5e9d9b82 | 5395 | |
3772a991 | 5396 | /** |
8a9d2e80 | 5397 | * lpfc_free_sgl_list - Free a given sgl list. |
da0436e9 | 5398 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 | 5399 | * @sglq_list: pointer to the head of sgl list. |
3772a991 | 5400 | * |
8a9d2e80 | 5401 | * This routine is invoked to free a give sgl list and memory. |
3772a991 | 5402 | **/ |
8a9d2e80 JS |
5403 | void |
5404 | lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) | |
3772a991 | 5405 | { |
da0436e9 | 5406 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
8a9d2e80 JS |
5407 | |
5408 | list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { | |
5409 | list_del(&sglq_entry->list); | |
5410 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
5411 | kfree(sglq_entry); | |
5412 | } | |
5413 | } | |
5414 | ||
5415 | /** | |
5416 | * lpfc_free_els_sgl_list - Free els sgl list. | |
5417 | * @phba: pointer to lpfc hba data structure. | |
5418 | * | |
5419 | * This routine is invoked to free the driver's els sgl list and memory. | |
5420 | **/ | |
5421 | static void | |
5422 | lpfc_free_els_sgl_list(struct lpfc_hba *phba) | |
5423 | { | |
da0436e9 | 5424 | LIST_HEAD(sglq_list); |
dea3101e | 5425 | |
8a9d2e80 | 5426 | /* Retrieve all els sgls from driver list */ |
da0436e9 JS |
5427 | spin_lock_irq(&phba->hbalock); |
5428 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); | |
5429 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 5430 | |
8a9d2e80 JS |
5431 | /* Now free the sgl list */ |
5432 | lpfc_free_sgl_list(phba, &sglq_list); | |
da0436e9 | 5433 | } |
92d7f7b0 | 5434 | |
da0436e9 JS |
5435 | /** |
5436 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
5437 | * @phba: pointer to lpfc hba data structure. | |
5438 | * | |
5439 | * This routine is invoked to allocate the driver's active sgl memory. | |
5440 | * This array will hold the sglq_entry's for active IOs. | |
5441 | **/ | |
5442 | static int | |
5443 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
5444 | { | |
5445 | int size; | |
5446 | size = sizeof(struct lpfc_sglq *); | |
5447 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
5448 | ||
5449 | phba->sli4_hba.lpfc_sglq_active_list = | |
5450 | kzalloc(size, GFP_KERNEL); | |
5451 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
5452 | return -ENOMEM; | |
5453 | return 0; | |
3772a991 JS |
5454 | } |
5455 | ||
5456 | /** | |
da0436e9 | 5457 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
5458 | * @phba: pointer to lpfc hba data structure. |
5459 | * | |
da0436e9 JS |
5460 | * This routine is invoked to walk through the array of active sglq entries |
5461 | * and free all of the resources. | |
5462 | * This is just a place holder for now. | |
3772a991 JS |
5463 | **/ |
5464 | static void | |
da0436e9 | 5465 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 5466 | { |
da0436e9 | 5467 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
5468 | } |
5469 | ||
5470 | /** | |
da0436e9 | 5471 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
5472 | * @phba: pointer to lpfc hba data structure. |
5473 | * | |
da0436e9 JS |
5474 | * This routine is invoked to allocate and initizlize the driver's sgl |
5475 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 | 5476 | * |
3772a991 | 5477 | **/ |
8a9d2e80 | 5478 | static void |
da0436e9 | 5479 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 5480 | { |
da0436e9 JS |
5481 | /* Initialize and populate the sglq list per host/VF. */ |
5482 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); | |
5483 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
5484 | ||
8a9d2e80 JS |
5485 | /* els xri-sgl book keeping */ |
5486 | phba->sli4_hba.els_xri_cnt = 0; | |
0ff10d46 | 5487 | |
8a9d2e80 | 5488 | /* scsi xri-buffer book keeping */ |
da0436e9 | 5489 | phba->sli4_hba.scsi_xri_cnt = 0; |
da0436e9 JS |
5490 | } |
5491 | ||
5492 | /** | |
5493 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
5494 | * @phba: pointer to lpfc hba data structure. | |
5495 | * | |
5496 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb | 5497 | * port for those SLI4 ports that do not support extents. This routine |
da0436e9 | 5498 | * posts a PAGE_SIZE memory region to the port to hold up to |
88a2cfbb JS |
5499 | * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine |
5500 | * and should be called only when interrupts are disabled. | |
da0436e9 JS |
5501 | * |
5502 | * Return codes | |
af901ca1 | 5503 | * 0 - successful |
88a2cfbb | 5504 | * -ERROR - otherwise. |
da0436e9 JS |
5505 | **/ |
5506 | int | |
5507 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
5508 | { | |
5509 | int rc = 0; | |
da0436e9 JS |
5510 | struct lpfc_rpi_hdr *rpi_hdr; |
5511 | ||
5512 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
ff78d8f9 | 5513 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6d368e53 | 5514 | return rc; |
6d368e53 JS |
5515 | if (phba->sli4_hba.extents_in_use) |
5516 | return -EIO; | |
da0436e9 JS |
5517 | |
5518 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
5519 | if (!rpi_hdr) { | |
5520 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
5521 | "0391 Error during rpi post operation\n"); | |
5522 | lpfc_sli4_remove_rpis(phba); | |
5523 | rc = -ENODEV; | |
5524 | } | |
5525 | ||
5526 | return rc; | |
5527 | } | |
5528 | ||
5529 | /** | |
5530 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
5531 | * @phba: pointer to lpfc hba data structure. | |
5532 | * | |
5533 | * This routine is invoked to allocate a single 4KB memory region to | |
5534 | * support rpis and stores them in the phba. This single region | |
5535 | * provides support for up to 64 rpis. The region is used globally | |
5536 | * by the device. | |
5537 | * | |
5538 | * Returns: | |
5539 | * A valid rpi hdr on success. | |
5540 | * A NULL pointer on any failure. | |
5541 | **/ | |
5542 | struct lpfc_rpi_hdr * | |
5543 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
5544 | { | |
5545 | uint16_t rpi_limit, curr_rpi_range; | |
5546 | struct lpfc_dmabuf *dmabuf; | |
5547 | struct lpfc_rpi_hdr *rpi_hdr; | |
9589b062 | 5548 | uint32_t rpi_count; |
da0436e9 | 5549 | |
6d368e53 JS |
5550 | /* |
5551 | * If the SLI4 port supports extents, posting the rpi header isn't | |
5552 | * required. Set the expected maximum count and let the actual value | |
5553 | * get set when extents are fully allocated. | |
5554 | */ | |
5555 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
5556 | return NULL; | |
5557 | if (phba->sli4_hba.extents_in_use) | |
5558 | return NULL; | |
5559 | ||
5560 | /* The limit on the logical index is just the max_rpi count. */ | |
da0436e9 | 5561 | rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + |
6d368e53 | 5562 | phba->sli4_hba.max_cfg_param.max_rpi - 1; |
da0436e9 JS |
5563 | |
5564 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
5565 | /* |
5566 | * Establish the starting RPI in this header block. The starting | |
5567 | * rpi is normalized to a zero base because the physical rpi is | |
5568 | * port based. | |
5569 | */ | |
97f2ecf1 | 5570 | curr_rpi_range = phba->sli4_hba.next_rpi; |
da0436e9 JS |
5571 | spin_unlock_irq(&phba->hbalock); |
5572 | ||
5573 | /* | |
5574 | * The port has a limited number of rpis. The increment here | |
5575 | * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value | |
5576 | * and to allow the full max_rpi range per port. | |
5577 | */ | |
5578 | if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) | |
9589b062 JS |
5579 | rpi_count = rpi_limit - curr_rpi_range; |
5580 | else | |
5581 | rpi_count = LPFC_RPI_HDR_COUNT; | |
da0436e9 | 5582 | |
6d368e53 JS |
5583 | if (!rpi_count) |
5584 | return NULL; | |
da0436e9 JS |
5585 | /* |
5586 | * First allocate the protocol header region for the port. The | |
5587 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
5588 | */ | |
5589 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
5590 | if (!dmabuf) | |
5591 | return NULL; | |
5592 | ||
5593 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
5594 | LPFC_HDR_TEMPLATE_SIZE, | |
5595 | &dmabuf->phys, | |
5596 | GFP_KERNEL); | |
5597 | if (!dmabuf->virt) { | |
5598 | rpi_hdr = NULL; | |
5599 | goto err_free_dmabuf; | |
5600 | } | |
5601 | ||
5602 | memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE); | |
5603 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { | |
5604 | rpi_hdr = NULL; | |
5605 | goto err_free_coherent; | |
5606 | } | |
5607 | ||
5608 | /* Save the rpi header data for cleanup later. */ | |
5609 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
5610 | if (!rpi_hdr) | |
5611 | goto err_free_coherent; | |
5612 | ||
5613 | rpi_hdr->dmabuf = dmabuf; | |
5614 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
5615 | rpi_hdr->page_count = 1; | |
5616 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
5617 | |
5618 | /* The rpi_hdr stores the logical index only. */ | |
5619 | rpi_hdr->start_rpi = curr_rpi_range; | |
da0436e9 JS |
5620 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); |
5621 | ||
5622 | /* | |
6d368e53 JS |
5623 | * The next_rpi stores the next logical module-64 rpi value used |
5624 | * to post physical rpis in subsequent rpi postings. | |
da0436e9 | 5625 | */ |
9589b062 | 5626 | phba->sli4_hba.next_rpi += rpi_count; |
da0436e9 JS |
5627 | spin_unlock_irq(&phba->hbalock); |
5628 | return rpi_hdr; | |
5629 | ||
5630 | err_free_coherent: | |
5631 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
5632 | dmabuf->virt, dmabuf->phys); | |
5633 | err_free_dmabuf: | |
5634 | kfree(dmabuf); | |
5635 | return NULL; | |
5636 | } | |
5637 | ||
5638 | /** | |
5639 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
5640 | * @phba: pointer to lpfc hba data structure. | |
5641 | * | |
5642 | * This routine is invoked to remove all memory resources allocated | |
6d368e53 JS |
5643 | * to support rpis for SLI4 ports not supporting extents. This routine |
5644 | * presumes the caller has released all rpis consumed by fabric or port | |
5645 | * logins and is prepared to have the header pages removed. | |
da0436e9 JS |
5646 | **/ |
5647 | void | |
5648 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
5649 | { | |
5650 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
5651 | ||
6d368e53 JS |
5652 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
5653 | goto exit; | |
5654 | ||
da0436e9 JS |
5655 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, |
5656 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
5657 | list_del(&rpi_hdr->list); | |
5658 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
5659 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
5660 | kfree(rpi_hdr->dmabuf); | |
5661 | kfree(rpi_hdr); | |
5662 | } | |
6d368e53 JS |
5663 | exit: |
5664 | /* There are no rpis available to the port now. */ | |
5665 | phba->sli4_hba.next_rpi = 0; | |
da0436e9 JS |
5666 | } |
5667 | ||
5668 | /** | |
5669 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
5670 | * @pdev: pointer to pci device data structure. | |
5671 | * | |
5672 | * This routine is invoked to allocate the driver hba data structure for an | |
5673 | * HBA device. If the allocation is successful, the phba reference to the | |
5674 | * PCI device data structure is set. | |
5675 | * | |
5676 | * Return codes | |
af901ca1 | 5677 | * pointer to @phba - successful |
da0436e9 JS |
5678 | * NULL - error |
5679 | **/ | |
5680 | static struct lpfc_hba * | |
5681 | lpfc_hba_alloc(struct pci_dev *pdev) | |
5682 | { | |
5683 | struct lpfc_hba *phba; | |
5684 | ||
5685 | /* Allocate memory for HBA structure */ | |
5686 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
5687 | if (!phba) { | |
e34ccdfe | 5688 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
5689 | return NULL; |
5690 | } | |
5691 | ||
5692 | /* Set reference to PCI device in HBA structure */ | |
5693 | phba->pcidev = pdev; | |
5694 | ||
5695 | /* Assign an unused board number */ | |
5696 | phba->brd_no = lpfc_get_instance(); | |
5697 | if (phba->brd_no < 0) { | |
5698 | kfree(phba); | |
5699 | return NULL; | |
5700 | } | |
5701 | ||
4fede78f | 5702 | spin_lock_init(&phba->ct_ev_lock); |
f1c3b0fc JS |
5703 | INIT_LIST_HEAD(&phba->ct_ev_waiters); |
5704 | ||
da0436e9 JS |
5705 | return phba; |
5706 | } | |
5707 | ||
5708 | /** | |
5709 | * lpfc_hba_free - Free driver hba data structure with a device. | |
5710 | * @phba: pointer to lpfc hba data structure. | |
5711 | * | |
5712 | * This routine is invoked to free the driver hba data structure with an | |
5713 | * HBA device. | |
5714 | **/ | |
5715 | static void | |
5716 | lpfc_hba_free(struct lpfc_hba *phba) | |
5717 | { | |
5718 | /* Release the driver assigned board number */ | |
5719 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
5720 | ||
2a76a283 JS |
5721 | /* Free memory allocated with sli rings */ |
5722 | kfree(phba->sli.ring); | |
5723 | phba->sli.ring = NULL; | |
5724 | ||
da0436e9 JS |
5725 | kfree(phba); |
5726 | return; | |
5727 | } | |
5728 | ||
5729 | /** | |
5730 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
5731 | * @phba: pointer to lpfc hba data structure. | |
5732 | * | |
5733 | * This routine is invoked to create HBA physical port and associate a SCSI | |
5734 | * host with it. | |
5735 | * | |
5736 | * Return codes | |
af901ca1 | 5737 | * 0 - successful |
da0436e9 JS |
5738 | * other values - error |
5739 | **/ | |
5740 | static int | |
5741 | lpfc_create_shost(struct lpfc_hba *phba) | |
5742 | { | |
5743 | struct lpfc_vport *vport; | |
5744 | struct Scsi_Host *shost; | |
5745 | ||
5746 | /* Initialize HBA FC structure */ | |
5747 | phba->fc_edtov = FF_DEF_EDTOV; | |
5748 | phba->fc_ratov = FF_DEF_RATOV; | |
5749 | phba->fc_altov = FF_DEF_ALTOV; | |
5750 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
5751 | ||
d7c47992 | 5752 | atomic_set(&phba->sdev_cnt, 0); |
da0436e9 JS |
5753 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
5754 | if (!vport) | |
5755 | return -ENODEV; | |
5756 | ||
5757 | shost = lpfc_shost_from_vport(vport); | |
5758 | phba->pport = vport; | |
5759 | lpfc_debugfs_initialize(vport); | |
5760 | /* Put reference to SCSI host to driver's device private data */ | |
5761 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 5762 | |
3772a991 JS |
5763 | return 0; |
5764 | } | |
db2378e0 | 5765 | |
3772a991 JS |
5766 | /** |
5767 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
5768 | * @phba: pointer to lpfc hba data structure. | |
5769 | * | |
5770 | * This routine is invoked to destroy HBA physical port and the associated | |
5771 | * SCSI host. | |
5772 | **/ | |
5773 | static void | |
5774 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
5775 | { | |
5776 | struct lpfc_vport *vport = phba->pport; | |
5777 | ||
5778 | /* Destroy physical port that associated with the SCSI host */ | |
5779 | destroy_port(vport); | |
5780 | ||
5781 | return; | |
5782 | } | |
5783 | ||
5784 | /** | |
5785 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
5786 | * @phba: pointer to lpfc hba data structure. | |
5787 | * @shost: the shost to be used to detect Block guard settings. | |
5788 | * | |
5789 | * This routine sets up the local Block guard protocol settings for @shost. | |
5790 | * This routine also allocates memory for debugging bg buffers. | |
5791 | **/ | |
5792 | static void | |
5793 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
5794 | { | |
bbeb79b9 JS |
5795 | uint32_t old_mask; |
5796 | uint32_t old_guard; | |
5797 | ||
3772a991 JS |
5798 | int pagecnt = 10; |
5799 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5800 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5801 | "1478 Registering BlockGuard with the " | |
5802 | "SCSI layer\n"); | |
bbeb79b9 JS |
5803 | |
5804 | old_mask = lpfc_prot_mask; | |
5805 | old_guard = lpfc_prot_guard; | |
5806 | ||
5807 | /* Only allow supported values */ | |
5808 | lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION | | |
5809 | SHOST_DIX_TYPE0_PROTECTION | | |
5810 | SHOST_DIX_TYPE1_PROTECTION); | |
5811 | lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC); | |
5812 | ||
5813 | /* DIF Type 1 protection for profiles AST1/C1 is end to end */ | |
5814 | if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION) | |
5815 | lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION; | |
5816 | ||
5817 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5818 | if ((old_mask != lpfc_prot_mask) || | |
5819 | (old_guard != lpfc_prot_guard)) | |
5820 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5821 | "1475 Registering BlockGuard with the " | |
5822 | "SCSI layer: mask %d guard %d\n", | |
5823 | lpfc_prot_mask, lpfc_prot_guard); | |
5824 | ||
5825 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
5826 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
5827 | } else | |
5828 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5829 | "1479 Not Registering BlockGuard with the SCSI " | |
5830 | "layer, Bad protection parameters: %d %d\n", | |
5831 | old_mask, old_guard); | |
3772a991 | 5832 | } |
bbeb79b9 | 5833 | |
3772a991 JS |
5834 | if (!_dump_buf_data) { |
5835 | while (pagecnt) { | |
5836 | spin_lock_init(&_dump_buf_lock); | |
5837 | _dump_buf_data = | |
5838 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5839 | if (_dump_buf_data) { | |
6a9c52cf JS |
5840 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5841 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5842 | "_dump_buf_data at 0x%p\n", |
5843 | (1 << pagecnt), _dump_buf_data); | |
5844 | _dump_buf_data_order = pagecnt; | |
5845 | memset(_dump_buf_data, 0, | |
5846 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5847 | break; | |
5848 | } else | |
5849 | --pagecnt; | |
5850 | } | |
5851 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
5852 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5853 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5854 | "memory for hexdump\n"); |
5855 | } else | |
6a9c52cf JS |
5856 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5857 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
5858 | "\n", _dump_buf_data); |
5859 | if (!_dump_buf_dif) { | |
5860 | while (pagecnt) { | |
5861 | _dump_buf_dif = | |
5862 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5863 | if (_dump_buf_dif) { | |
6a9c52cf JS |
5864 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5865 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5866 | "_dump_buf_dif at 0x%p\n", |
5867 | (1 << pagecnt), _dump_buf_dif); | |
5868 | _dump_buf_dif_order = pagecnt; | |
5869 | memset(_dump_buf_dif, 0, | |
5870 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5871 | break; | |
5872 | } else | |
5873 | --pagecnt; | |
5874 | } | |
5875 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
5876 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5877 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5878 | "memory for hexdump\n"); |
5879 | } else | |
6a9c52cf JS |
5880 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5881 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
5882 | _dump_buf_dif); |
5883 | } | |
5884 | ||
5885 | /** | |
5886 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
5887 | * @phba: pointer to lpfc hba data structure. | |
5888 | * | |
5889 | * This routine is invoked to perform all the necessary post initialization | |
5890 | * setup for the device. | |
5891 | **/ | |
5892 | static void | |
5893 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
5894 | { | |
5895 | struct Scsi_Host *shost; | |
5896 | struct lpfc_adapter_event_header adapter_event; | |
5897 | ||
5898 | /* Get the default values for Model Name and Description */ | |
5899 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
5900 | ||
5901 | /* | |
5902 | * hba setup may have changed the hba_queue_depth so we need to | |
5903 | * adjust the value of can_queue. | |
5904 | */ | |
5905 | shost = pci_get_drvdata(phba->pcidev); | |
5906 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
5907 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
5908 | lpfc_setup_bg(phba, shost); | |
5909 | ||
5910 | lpfc_host_attrib_init(shost); | |
5911 | ||
5912 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
5913 | spin_lock_irq(shost->host_lock); | |
5914 | lpfc_poll_start_timer(phba); | |
5915 | spin_unlock_irq(shost->host_lock); | |
5916 | } | |
5917 | ||
5918 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5919 | "0428 Perform SCSI scan\n"); | |
5920 | /* Send board arrival event to upper layer */ | |
5921 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
5922 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
5923 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
5924 | sizeof(adapter_event), | |
5925 | (char *) &adapter_event, | |
5926 | LPFC_NL_VENDOR_ID); | |
5927 | return; | |
5928 | } | |
5929 | ||
5930 | /** | |
5931 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
5932 | * @phba: pointer to lpfc hba data structure. | |
5933 | * | |
5934 | * This routine is invoked to set up the PCI device memory space for device | |
5935 | * with SLI-3 interface spec. | |
5936 | * | |
5937 | * Return codes | |
af901ca1 | 5938 | * 0 - successful |
3772a991 JS |
5939 | * other values - error |
5940 | **/ | |
5941 | static int | |
5942 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
5943 | { | |
5944 | struct pci_dev *pdev; | |
5945 | unsigned long bar0map_len, bar2map_len; | |
5946 | int i, hbq_count; | |
5947 | void *ptr; | |
5948 | int error = -ENODEV; | |
5949 | ||
5950 | /* Obtain PCI device reference */ | |
5951 | if (!phba->pcidev) | |
5952 | return error; | |
5953 | else | |
5954 | pdev = phba->pcidev; | |
5955 | ||
5956 | /* Set the device DMA mask size */ | |
8e68597d MR |
5957 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
5958 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
5959 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
5960 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 5961 | return error; |
8e68597d MR |
5962 | } |
5963 | } | |
3772a991 JS |
5964 | |
5965 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
5966 | * required by each mapping. | |
5967 | */ | |
5968 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
5969 | bar0map_len = pci_resource_len(pdev, 0); | |
5970 | ||
5971 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
5972 | bar2map_len = pci_resource_len(pdev, 2); | |
5973 | ||
5974 | /* Map HBA SLIM to a kernel virtual address. */ | |
5975 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
5976 | if (!phba->slim_memmap_p) { | |
5977 | dev_printk(KERN_ERR, &pdev->dev, | |
5978 | "ioremap failed for SLIM memory.\n"); | |
5979 | goto out; | |
5980 | } | |
5981 | ||
5982 | /* Map HBA Control Registers to a kernel virtual address. */ | |
5983 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
5984 | if (!phba->ctrl_regs_memmap_p) { | |
5985 | dev_printk(KERN_ERR, &pdev->dev, | |
5986 | "ioremap failed for HBA control registers.\n"); | |
5987 | goto out_iounmap_slim; | |
5988 | } | |
5989 | ||
5990 | /* Allocate memory for SLI-2 structures */ | |
5991 | phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, | |
5992 | SLI2_SLIM_SIZE, | |
5993 | &phba->slim2p.phys, | |
5994 | GFP_KERNEL); | |
5995 | if (!phba->slim2p.virt) | |
5996 | goto out_iounmap; | |
5997 | ||
5998 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); | |
5999 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); | |
7a470277 JS |
6000 | phba->mbox_ext = (phba->slim2p.virt + |
6001 | offsetof(struct lpfc_sli2_slim, mbx_ext_words)); | |
3772a991 JS |
6002 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); |
6003 | phba->IOCBs = (phba->slim2p.virt + | |
6004 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
6005 | ||
6006 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
6007 | lpfc_sli_hbq_size(), | |
6008 | &phba->hbqslimp.phys, | |
6009 | GFP_KERNEL); | |
6010 | if (!phba->hbqslimp.virt) | |
6011 | goto out_free_slim; | |
6012 | ||
6013 | hbq_count = lpfc_sli_hbq_count(); | |
6014 | ptr = phba->hbqslimp.virt; | |
6015 | for (i = 0; i < hbq_count; ++i) { | |
6016 | phba->hbqs[i].hbq_virt = ptr; | |
6017 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
6018 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
6019 | sizeof(struct lpfc_hbq_entry)); | |
6020 | } | |
6021 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
6022 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
6023 | ||
6024 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
6025 | ||
6026 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
6027 | ||
6028 | phba->MBslimaddr = phba->slim_memmap_p; | |
6029 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
6030 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
6031 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
6032 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
6033 | ||
6034 | return 0; | |
6035 | ||
6036 | out_free_slim: | |
6037 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6038 | phba->slim2p.virt, phba->slim2p.phys); | |
6039 | out_iounmap: | |
6040 | iounmap(phba->ctrl_regs_memmap_p); | |
6041 | out_iounmap_slim: | |
6042 | iounmap(phba->slim_memmap_p); | |
6043 | out: | |
6044 | return error; | |
6045 | } | |
6046 | ||
6047 | /** | |
6048 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
6049 | * @phba: pointer to lpfc hba data structure. | |
6050 | * | |
6051 | * This routine is invoked to unset the PCI device memory space for device | |
6052 | * with SLI-3 interface spec. | |
6053 | **/ | |
6054 | static void | |
6055 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
6056 | { | |
6057 | struct pci_dev *pdev; | |
6058 | ||
6059 | /* Obtain PCI device reference */ | |
6060 | if (!phba->pcidev) | |
6061 | return; | |
6062 | else | |
6063 | pdev = phba->pcidev; | |
6064 | ||
6065 | /* Free coherent DMA memory allocated */ | |
6066 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
6067 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
6068 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6069 | phba->slim2p.virt, phba->slim2p.phys); | |
6070 | ||
6071 | /* I/O memory unmap */ | |
6072 | iounmap(phba->ctrl_regs_memmap_p); | |
6073 | iounmap(phba->slim_memmap_p); | |
6074 | ||
6075 | return; | |
6076 | } | |
6077 | ||
6078 | /** | |
da0436e9 | 6079 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
6080 | * @phba: pointer to lpfc hba data structure. |
6081 | * | |
da0436e9 JS |
6082 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
6083 | * done and check status. | |
3772a991 | 6084 | * |
da0436e9 | 6085 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 6086 | **/ |
da0436e9 JS |
6087 | int |
6088 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 6089 | { |
2fcee4bf JS |
6090 | struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; |
6091 | struct lpfc_register reg_data; | |
6092 | int i, port_error = 0; | |
6093 | uint32_t if_type; | |
3772a991 | 6094 | |
9940b97b JS |
6095 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
6096 | memset(®_data, 0, sizeof(reg_data)); | |
2fcee4bf | 6097 | if (!phba->sli4_hba.PSMPHRregaddr) |
da0436e9 | 6098 | return -ENODEV; |
3772a991 | 6099 | |
da0436e9 JS |
6100 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
6101 | for (i = 0; i < 3000; i++) { | |
9940b97b JS |
6102 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, |
6103 | &portsmphr_reg.word0) || | |
6104 | (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { | |
2fcee4bf | 6105 | /* Port has a fatal POST error, break out */ |
da0436e9 JS |
6106 | port_error = -ENODEV; |
6107 | break; | |
6108 | } | |
2fcee4bf JS |
6109 | if (LPFC_POST_STAGE_PORT_READY == |
6110 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) | |
da0436e9 | 6111 | break; |
da0436e9 | 6112 | msleep(10); |
3772a991 JS |
6113 | } |
6114 | ||
2fcee4bf JS |
6115 | /* |
6116 | * If there was a port error during POST, then don't proceed with | |
6117 | * other register reads as the data may not be valid. Just exit. | |
6118 | */ | |
6119 | if (port_error) { | |
da0436e9 | 6120 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
6121 | "1408 Port Failed POST - portsmphr=0x%x, " |
6122 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " | |
6123 | "scr2=x%x, hscratch=x%x, pstatus=x%x\n", | |
6124 | portsmphr_reg.word0, | |
6125 | bf_get(lpfc_port_smphr_perr, &portsmphr_reg), | |
6126 | bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), | |
6127 | bf_get(lpfc_port_smphr_nip, &portsmphr_reg), | |
6128 | bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), | |
6129 | bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), | |
6130 | bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), | |
6131 | bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), | |
6132 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); | |
6133 | } else { | |
28baac74 | 6134 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2fcee4bf JS |
6135 | "2534 Device Info: SLIFamily=0x%x, " |
6136 | "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " | |
6137 | "SLIHint_2=0x%x, FT=0x%x\n", | |
28baac74 JS |
6138 | bf_get(lpfc_sli_intf_sli_family, |
6139 | &phba->sli4_hba.sli_intf), | |
6140 | bf_get(lpfc_sli_intf_slirev, | |
6141 | &phba->sli4_hba.sli_intf), | |
085c647c JS |
6142 | bf_get(lpfc_sli_intf_if_type, |
6143 | &phba->sli4_hba.sli_intf), | |
6144 | bf_get(lpfc_sli_intf_sli_hint1, | |
28baac74 | 6145 | &phba->sli4_hba.sli_intf), |
085c647c JS |
6146 | bf_get(lpfc_sli_intf_sli_hint2, |
6147 | &phba->sli4_hba.sli_intf), | |
6148 | bf_get(lpfc_sli_intf_func_type, | |
28baac74 | 6149 | &phba->sli4_hba.sli_intf)); |
2fcee4bf JS |
6150 | /* |
6151 | * Check for other Port errors during the initialization | |
6152 | * process. Fail the load if the port did not come up | |
6153 | * correctly. | |
6154 | */ | |
6155 | if_type = bf_get(lpfc_sli_intf_if_type, | |
6156 | &phba->sli4_hba.sli_intf); | |
6157 | switch (if_type) { | |
6158 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6159 | phba->sli4_hba.ue_mask_lo = | |
6160 | readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); | |
6161 | phba->sli4_hba.ue_mask_hi = | |
6162 | readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); | |
6163 | uerrlo_reg.word0 = | |
6164 | readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); | |
6165 | uerrhi_reg.word0 = | |
6166 | readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); | |
6167 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
6168 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
6169 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6170 | "1422 Unrecoverable Error " | |
6171 | "Detected during POST " | |
6172 | "uerr_lo_reg=0x%x, " | |
6173 | "uerr_hi_reg=0x%x, " | |
6174 | "ue_mask_lo_reg=0x%x, " | |
6175 | "ue_mask_hi_reg=0x%x\n", | |
6176 | uerrlo_reg.word0, | |
6177 | uerrhi_reg.word0, | |
6178 | phba->sli4_hba.ue_mask_lo, | |
6179 | phba->sli4_hba.ue_mask_hi); | |
6180 | port_error = -ENODEV; | |
6181 | } | |
6182 | break; | |
6183 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6184 | /* Final checks. The port status should be clean. */ | |
9940b97b JS |
6185 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
6186 | ®_data.word0) || | |
0558056c JS |
6187 | (bf_get(lpfc_sliport_status_err, ®_data) && |
6188 | !bf_get(lpfc_sliport_status_rn, ®_data))) { | |
2fcee4bf JS |
6189 | phba->work_status[0] = |
6190 | readl(phba->sli4_hba.u.if_type2. | |
6191 | ERR1regaddr); | |
6192 | phba->work_status[1] = | |
6193 | readl(phba->sli4_hba.u.if_type2. | |
6194 | ERR2regaddr); | |
6195 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd JS |
6196 | "2888 Unrecoverable port error " |
6197 | "following POST: port status reg " | |
6198 | "0x%x, port_smphr reg 0x%x, " | |
2fcee4bf JS |
6199 | "error 1=0x%x, error 2=0x%x\n", |
6200 | reg_data.word0, | |
6201 | portsmphr_reg.word0, | |
6202 | phba->work_status[0], | |
6203 | phba->work_status[1]); | |
6204 | port_error = -ENODEV; | |
6205 | } | |
6206 | break; | |
6207 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6208 | default: | |
6209 | break; | |
6210 | } | |
28baac74 | 6211 | } |
da0436e9 JS |
6212 | return port_error; |
6213 | } | |
3772a991 | 6214 | |
da0436e9 JS |
6215 | /** |
6216 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
6217 | * @phba: pointer to lpfc hba data structure. | |
2fcee4bf | 6218 | * @if_type: The SLI4 interface type getting configured. |
da0436e9 JS |
6219 | * |
6220 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
6221 | * memory map. | |
6222 | **/ | |
6223 | static void | |
2fcee4bf JS |
6224 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) |
6225 | { | |
6226 | switch (if_type) { | |
6227 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6228 | phba->sli4_hba.u.if_type0.UERRLOregaddr = | |
6229 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; | |
6230 | phba->sli4_hba.u.if_type0.UERRHIregaddr = | |
6231 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; | |
6232 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr = | |
6233 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; | |
6234 | phba->sli4_hba.u.if_type0.UEMASKHIregaddr = | |
6235 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; | |
6236 | phba->sli4_hba.SLIINTFregaddr = | |
6237 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
6238 | break; | |
6239 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6240 | phba->sli4_hba.u.if_type2.ERR1regaddr = | |
88a2cfbb JS |
6241 | phba->sli4_hba.conf_regs_memmap_p + |
6242 | LPFC_CTL_PORT_ER1_OFFSET; | |
2fcee4bf | 6243 | phba->sli4_hba.u.if_type2.ERR2regaddr = |
88a2cfbb JS |
6244 | phba->sli4_hba.conf_regs_memmap_p + |
6245 | LPFC_CTL_PORT_ER2_OFFSET; | |
2fcee4bf | 6246 | phba->sli4_hba.u.if_type2.CTRLregaddr = |
88a2cfbb JS |
6247 | phba->sli4_hba.conf_regs_memmap_p + |
6248 | LPFC_CTL_PORT_CTL_OFFSET; | |
2fcee4bf | 6249 | phba->sli4_hba.u.if_type2.STATUSregaddr = |
88a2cfbb JS |
6250 | phba->sli4_hba.conf_regs_memmap_p + |
6251 | LPFC_CTL_PORT_STA_OFFSET; | |
2fcee4bf JS |
6252 | phba->sli4_hba.SLIINTFregaddr = |
6253 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
6254 | phba->sli4_hba.PSMPHRregaddr = | |
88a2cfbb JS |
6255 | phba->sli4_hba.conf_regs_memmap_p + |
6256 | LPFC_CTL_PORT_SEM_OFFSET; | |
2fcee4bf | 6257 | phba->sli4_hba.RQDBregaddr = |
962bc51b JS |
6258 | phba->sli4_hba.conf_regs_memmap_p + |
6259 | LPFC_ULP0_RQ_DOORBELL; | |
2fcee4bf | 6260 | phba->sli4_hba.WQDBregaddr = |
962bc51b JS |
6261 | phba->sli4_hba.conf_regs_memmap_p + |
6262 | LPFC_ULP0_WQ_DOORBELL; | |
2fcee4bf JS |
6263 | phba->sli4_hba.EQCQDBregaddr = |
6264 | phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; | |
6265 | phba->sli4_hba.MQDBregaddr = | |
6266 | phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; | |
6267 | phba->sli4_hba.BMBXregaddr = | |
6268 | phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; | |
6269 | break; | |
6270 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6271 | default: | |
6272 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
6273 | "FATAL - unsupported SLI4 interface type - %d\n", | |
6274 | if_type); | |
6275 | break; | |
6276 | } | |
da0436e9 | 6277 | } |
3772a991 | 6278 | |
da0436e9 JS |
6279 | /** |
6280 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
6281 | * @phba: pointer to lpfc hba data structure. | |
6282 | * | |
6283 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
6284 | * memory map. | |
6285 | **/ | |
6286 | static void | |
6287 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
6288 | { | |
2fcee4bf JS |
6289 | phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
6290 | LPFC_SLIPORT_IF0_SMPHR; | |
da0436e9 | 6291 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6292 | LPFC_HST_ISR0; |
da0436e9 | 6293 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6294 | LPFC_HST_IMR0; |
da0436e9 | 6295 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6296 | LPFC_HST_ISCR0; |
3772a991 JS |
6297 | } |
6298 | ||
6299 | /** | |
da0436e9 | 6300 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 6301 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 6302 | * @vf: virtual function number |
3772a991 | 6303 | * |
da0436e9 JS |
6304 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
6305 | * based on the given viftual function number, @vf. | |
6306 | * | |
6307 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 6308 | **/ |
da0436e9 JS |
6309 | static int |
6310 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 6311 | { |
da0436e9 JS |
6312 | if (vf > LPFC_VIR_FUNC_MAX) |
6313 | return -ENODEV; | |
3772a991 | 6314 | |
da0436e9 | 6315 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
6316 | vf * LPFC_VFR_PAGE_SIZE + |
6317 | LPFC_ULP0_RQ_DOORBELL); | |
da0436e9 | 6318 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
6319 | vf * LPFC_VFR_PAGE_SIZE + |
6320 | LPFC_ULP0_WQ_DOORBELL); | |
da0436e9 JS |
6321 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
6322 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
6323 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
6324 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
6325 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
6326 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
6327 | return 0; | |
3772a991 JS |
6328 | } |
6329 | ||
6330 | /** | |
da0436e9 | 6331 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
6332 | * @phba: pointer to lpfc hba data structure. |
6333 | * | |
da0436e9 JS |
6334 | * This routine is invoked to create the bootstrap mailbox |
6335 | * region consistent with the SLI-4 interface spec. This | |
6336 | * routine allocates all memory necessary to communicate | |
6337 | * mailbox commands to the port and sets up all alignment | |
6338 | * needs. No locks are expected to be held when calling | |
6339 | * this routine. | |
3772a991 JS |
6340 | * |
6341 | * Return codes | |
af901ca1 | 6342 | * 0 - successful |
d439d286 | 6343 | * -ENOMEM - could not allocated memory. |
da0436e9 | 6344 | **/ |
3772a991 | 6345 | static int |
da0436e9 | 6346 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 6347 | { |
da0436e9 JS |
6348 | uint32_t bmbx_size; |
6349 | struct lpfc_dmabuf *dmabuf; | |
6350 | struct dma_address *dma_address; | |
6351 | uint32_t pa_addr; | |
6352 | uint64_t phys_addr; | |
6353 | ||
6354 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
6355 | if (!dmabuf) | |
6356 | return -ENOMEM; | |
3772a991 | 6357 | |
da0436e9 JS |
6358 | /* |
6359 | * The bootstrap mailbox region is comprised of 2 parts | |
6360 | * plus an alignment restriction of 16 bytes. | |
6361 | */ | |
6362 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
6363 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
6364 | bmbx_size, | |
6365 | &dmabuf->phys, | |
6366 | GFP_KERNEL); | |
6367 | if (!dmabuf->virt) { | |
6368 | kfree(dmabuf); | |
6369 | return -ENOMEM; | |
3772a991 | 6370 | } |
da0436e9 | 6371 | memset(dmabuf->virt, 0, bmbx_size); |
3772a991 | 6372 | |
da0436e9 JS |
6373 | /* |
6374 | * Initialize the bootstrap mailbox pointers now so that the register | |
6375 | * operations are simple later. The mailbox dma address is required | |
6376 | * to be 16-byte aligned. Also align the virtual memory as each | |
6377 | * maibox is copied into the bmbx mailbox region before issuing the | |
6378 | * command to the port. | |
6379 | */ | |
6380 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
6381 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
6382 | ||
6383 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
6384 | LPFC_ALIGN_16_BYTE); | |
6385 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
6386 | LPFC_ALIGN_16_BYTE); | |
6387 | ||
6388 | /* | |
6389 | * Set the high and low physical addresses now. The SLI4 alignment | |
6390 | * requirement is 16 bytes and the mailbox is posted to the port | |
6391 | * as two 30-bit addresses. The other data is a bit marking whether | |
6392 | * the 30-bit address is the high or low address. | |
6393 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
6394 | * clean on 32 bit machines. | |
6395 | */ | |
6396 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
6397 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
6398 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
6399 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
6400 | LPFC_BMBX_BIT1_ADDR_HI); | |
6401 | ||
6402 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
6403 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
6404 | LPFC_BMBX_BIT1_ADDR_LO); | |
6405 | return 0; | |
3772a991 JS |
6406 | } |
6407 | ||
6408 | /** | |
da0436e9 | 6409 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
6410 | * @phba: pointer to lpfc hba data structure. |
6411 | * | |
da0436e9 JS |
6412 | * This routine is invoked to teardown the bootstrap mailbox |
6413 | * region and release all host resources. This routine requires | |
6414 | * the caller to ensure all mailbox commands recovered, no | |
6415 | * additional mailbox comands are sent, and interrupts are disabled | |
6416 | * before calling this routine. | |
6417 | * | |
6418 | **/ | |
3772a991 | 6419 | static void |
da0436e9 | 6420 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 6421 | { |
da0436e9 JS |
6422 | dma_free_coherent(&phba->pcidev->dev, |
6423 | phba->sli4_hba.bmbx.bmbx_size, | |
6424 | phba->sli4_hba.bmbx.dmabuf->virt, | |
6425 | phba->sli4_hba.bmbx.dmabuf->phys); | |
6426 | ||
6427 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
6428 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
6429 | } |
6430 | ||
6431 | /** | |
da0436e9 | 6432 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
6433 | * @phba: pointer to lpfc hba data structure. |
6434 | * | |
da0436e9 JS |
6435 | * This routine is invoked to read the configuration parameters from the HBA. |
6436 | * The configuration parameters are used to set the base and maximum values | |
6437 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
6438 | * allocation for the port. | |
3772a991 JS |
6439 | * |
6440 | * Return codes | |
af901ca1 | 6441 | * 0 - successful |
25985edc | 6442 | * -ENOMEM - No available memory |
d439d286 | 6443 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 6444 | **/ |
ff78d8f9 | 6445 | int |
da0436e9 | 6446 | lpfc_sli4_read_config(struct lpfc_hba *phba) |
3772a991 | 6447 | { |
da0436e9 JS |
6448 | LPFC_MBOXQ_t *pmb; |
6449 | struct lpfc_mbx_read_config *rd_config; | |
912e3acd JS |
6450 | union lpfc_sli4_cfg_shdr *shdr; |
6451 | uint32_t shdr_status, shdr_add_status; | |
6452 | struct lpfc_mbx_get_func_cfg *get_func_cfg; | |
6453 | struct lpfc_rsrc_desc_fcfcoe *desc; | |
8aa134a8 | 6454 | char *pdesc_0; |
912e3acd | 6455 | uint32_t desc_count; |
8aa134a8 | 6456 | int length, i, rc = 0, rc2; |
3772a991 | 6457 | |
da0436e9 JS |
6458 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6459 | if (!pmb) { | |
6460 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6461 | "2011 Unable to allocate memory for issuing " | |
6462 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
6463 | return -ENOMEM; | |
3772a991 JS |
6464 | } |
6465 | ||
da0436e9 | 6466 | lpfc_read_config(phba, pmb); |
3772a991 | 6467 | |
da0436e9 JS |
6468 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
6469 | if (rc != MBX_SUCCESS) { | |
6470 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6471 | "2012 Mailbox failed , mbxCmd x%x " | |
6472 | "READ_CONFIG, mbxStatus x%x\n", | |
6473 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
6474 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
6475 | rc = -EIO; | |
6476 | } else { | |
6477 | rd_config = &pmb->u.mqe.un.rd_config; | |
ff78d8f9 JS |
6478 | if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) { |
6479 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
6480 | phba->sli4_hba.lnk_info.lnk_tp = | |
6481 | bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config); | |
6482 | phba->sli4_hba.lnk_info.lnk_no = | |
6483 | bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config); | |
6484 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6485 | "3081 lnk_type:%d, lnk_numb:%d\n", | |
6486 | phba->sli4_hba.lnk_info.lnk_tp, | |
6487 | phba->sli4_hba.lnk_info.lnk_no); | |
6488 | } else | |
6489 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
6490 | "3082 Mailbox (x%x) returned ldv:x0\n", | |
6491 | bf_get(lpfc_mqe_command, &pmb->u.mqe)); | |
6d368e53 JS |
6492 | phba->sli4_hba.extents_in_use = |
6493 | bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); | |
da0436e9 JS |
6494 | phba->sli4_hba.max_cfg_param.max_xri = |
6495 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
6496 | phba->sli4_hba.max_cfg_param.xri_base = | |
6497 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
6498 | phba->sli4_hba.max_cfg_param.max_vpi = | |
6499 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
6500 | phba->sli4_hba.max_cfg_param.vpi_base = | |
6501 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
6502 | phba->sli4_hba.max_cfg_param.max_rpi = | |
6503 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
6504 | phba->sli4_hba.max_cfg_param.rpi_base = | |
6505 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
6506 | phba->sli4_hba.max_cfg_param.max_vfi = | |
6507 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
6508 | phba->sli4_hba.max_cfg_param.vfi_base = | |
6509 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
6510 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
6511 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
da0436e9 JS |
6512 | phba->sli4_hba.max_cfg_param.max_eq = |
6513 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
6514 | phba->sli4_hba.max_cfg_param.max_rq = | |
6515 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
6516 | phba->sli4_hba.max_cfg_param.max_wq = | |
6517 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
6518 | phba->sli4_hba.max_cfg_param.max_cq = | |
6519 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
6520 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
6521 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
6522 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
6523 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5ffc266e JS |
6524 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
6525 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
6526 | phba->max_vports = phba->max_vpi; |
6527 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6d368e53 JS |
6528 | "2003 cfg params Extents? %d " |
6529 | "XRI(B:%d M:%d), " | |
da0436e9 JS |
6530 | "VPI(B:%d M:%d) " |
6531 | "VFI(B:%d M:%d) " | |
6532 | "RPI(B:%d M:%d) " | |
6d368e53 JS |
6533 | "FCFI(Count:%d)\n", |
6534 | phba->sli4_hba.extents_in_use, | |
da0436e9 JS |
6535 | phba->sli4_hba.max_cfg_param.xri_base, |
6536 | phba->sli4_hba.max_cfg_param.max_xri, | |
6537 | phba->sli4_hba.max_cfg_param.vpi_base, | |
6538 | phba->sli4_hba.max_cfg_param.max_vpi, | |
6539 | phba->sli4_hba.max_cfg_param.vfi_base, | |
6540 | phba->sli4_hba.max_cfg_param.max_vfi, | |
6541 | phba->sli4_hba.max_cfg_param.rpi_base, | |
6542 | phba->sli4_hba.max_cfg_param.max_rpi, | |
da0436e9 | 6543 | phba->sli4_hba.max_cfg_param.max_fcfi); |
3772a991 | 6544 | } |
912e3acd JS |
6545 | |
6546 | if (rc) | |
6547 | goto read_cfg_out; | |
da0436e9 JS |
6548 | |
6549 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
b92938b4 JS |
6550 | if (phba->cfg_hba_queue_depth > |
6551 | (phba->sli4_hba.max_cfg_param.max_xri - | |
6552 | lpfc_sli4_get_els_iocb_cnt(phba))) | |
da0436e9 | 6553 | phba->cfg_hba_queue_depth = |
b92938b4 JS |
6554 | phba->sli4_hba.max_cfg_param.max_xri - |
6555 | lpfc_sli4_get_els_iocb_cnt(phba); | |
912e3acd JS |
6556 | |
6557 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
6558 | LPFC_SLI_INTF_IF_TYPE_2) | |
6559 | goto read_cfg_out; | |
6560 | ||
6561 | /* get the pf# and vf# for SLI4 if_type 2 port */ | |
6562 | length = (sizeof(struct lpfc_mbx_get_func_cfg) - | |
6563 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6564 | lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6565 | LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, | |
6566 | length, LPFC_SLI4_MBX_EMBED); | |
6567 | ||
8aa134a8 | 6568 | rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
912e3acd JS |
6569 | shdr = (union lpfc_sli4_cfg_shdr *) |
6570 | &pmb->u.mqe.un.sli4_config.header.cfg_shdr; | |
6571 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6572 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8aa134a8 | 6573 | if (rc2 || shdr_status || shdr_add_status) { |
912e3acd JS |
6574 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6575 | "3026 Mailbox failed , mbxCmd x%x " | |
6576 | "GET_FUNCTION_CONFIG, mbxStatus x%x\n", | |
6577 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
6578 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
912e3acd JS |
6579 | goto read_cfg_out; |
6580 | } | |
6581 | ||
6582 | /* search for fc_fcoe resrouce descriptor */ | |
6583 | get_func_cfg = &pmb->u.mqe.un.get_func_cfg; | |
6584 | desc_count = get_func_cfg->func_cfg.rsrc_desc_count; | |
6585 | ||
8aa134a8 JS |
6586 | pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; |
6587 | desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; | |
6588 | length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); | |
6589 | if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) | |
6590 | length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; | |
6591 | else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) | |
6592 | goto read_cfg_out; | |
6593 | ||
912e3acd | 6594 | for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { |
8aa134a8 | 6595 | desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); |
912e3acd | 6596 | if (LPFC_RSRC_DESC_TYPE_FCFCOE == |
8aa134a8 | 6597 | bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { |
912e3acd JS |
6598 | phba->sli4_hba.iov.pf_number = |
6599 | bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); | |
6600 | phba->sli4_hba.iov.vf_number = | |
6601 | bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc); | |
6602 | break; | |
6603 | } | |
6604 | } | |
6605 | ||
6606 | if (i < LPFC_RSRC_DESC_MAX_NUM) | |
6607 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6608 | "3027 GET_FUNCTION_CONFIG: pf_number:%d, " | |
6609 | "vf_number:%d\n", phba->sli4_hba.iov.pf_number, | |
6610 | phba->sli4_hba.iov.vf_number); | |
8aa134a8 | 6611 | else |
912e3acd JS |
6612 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6613 | "3028 GET_FUNCTION_CONFIG: failed to find " | |
6614 | "Resrouce Descriptor:x%x\n", | |
6615 | LPFC_RSRC_DESC_TYPE_FCFCOE); | |
912e3acd JS |
6616 | |
6617 | read_cfg_out: | |
6618 | mempool_free(pmb, phba->mbox_mem_pool); | |
da0436e9 | 6619 | return rc; |
3772a991 JS |
6620 | } |
6621 | ||
6622 | /** | |
2fcee4bf | 6623 | * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. |
3772a991 JS |
6624 | * @phba: pointer to lpfc hba data structure. |
6625 | * | |
2fcee4bf JS |
6626 | * This routine is invoked to setup the port-side endian order when |
6627 | * the port if_type is 0. This routine has no function for other | |
6628 | * if_types. | |
da0436e9 JS |
6629 | * |
6630 | * Return codes | |
af901ca1 | 6631 | * 0 - successful |
25985edc | 6632 | * -ENOMEM - No available memory |
d439d286 | 6633 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 6634 | **/ |
da0436e9 JS |
6635 | static int |
6636 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 6637 | { |
da0436e9 | 6638 | LPFC_MBOXQ_t *mboxq; |
2fcee4bf | 6639 | uint32_t if_type, rc = 0; |
da0436e9 JS |
6640 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, |
6641 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 6642 | |
2fcee4bf JS |
6643 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
6644 | switch (if_type) { | |
6645 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6646 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
6647 | GFP_KERNEL); | |
6648 | if (!mboxq) { | |
6649 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6650 | "0492 Unable to allocate memory for " | |
6651 | "issuing SLI_CONFIG_SPECIAL mailbox " | |
6652 | "command\n"); | |
6653 | return -ENOMEM; | |
6654 | } | |
3772a991 | 6655 | |
2fcee4bf JS |
6656 | /* |
6657 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first | |
6658 | * two words to contain special data values and no other data. | |
6659 | */ | |
6660 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
6661 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
6662 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6663 | if (rc != MBX_SUCCESS) { | |
6664 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6665 | "0493 SLI_CONFIG_SPECIAL mailbox " | |
6666 | "failed with status x%x\n", | |
6667 | rc); | |
6668 | rc = -EIO; | |
6669 | } | |
6670 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6671 | break; | |
6672 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6673 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6674 | default: | |
6675 | break; | |
da0436e9 | 6676 | } |
da0436e9 | 6677 | return rc; |
3772a991 JS |
6678 | } |
6679 | ||
6680 | /** | |
5350d872 | 6681 | * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts |
3772a991 JS |
6682 | * @phba: pointer to lpfc hba data structure. |
6683 | * | |
5350d872 JS |
6684 | * This routine is invoked to check the user settable queue counts for EQs and |
6685 | * CQs. after this routine is called the counts will be set to valid values that | |
6686 | * adhere to the constraints of the system's interrupt vectors and the port's | |
6687 | * queue resources. | |
da0436e9 JS |
6688 | * |
6689 | * Return codes | |
af901ca1 | 6690 | * 0 - successful |
25985edc | 6691 | * -ENOMEM - No available memory |
3772a991 | 6692 | **/ |
da0436e9 | 6693 | static int |
5350d872 | 6694 | lpfc_sli4_queue_verify(struct lpfc_hba *phba) |
3772a991 | 6695 | { |
67d12733 | 6696 | int cfg_fcp_io_channel; |
90695ee0 JS |
6697 | uint32_t cpu; |
6698 | uint32_t i = 0; | |
6699 | ||
3772a991 | 6700 | |
da0436e9 | 6701 | /* |
67d12733 | 6702 | * Sanity check for configured queue parameters against the run-time |
da0436e9 JS |
6703 | * device parameters |
6704 | */ | |
3772a991 | 6705 | |
67d12733 JS |
6706 | /* Sanity check on HBA EQ parameters */ |
6707 | cfg_fcp_io_channel = phba->cfg_fcp_io_channel; | |
6708 | ||
90695ee0 JS |
6709 | /* It doesn't make sense to have more io channels then CPUs */ |
6710 | for_each_online_cpu(cpu) { | |
6711 | i++; | |
6712 | } | |
6713 | if (i < cfg_fcp_io_channel) { | |
82c3e9ba JS |
6714 | lpfc_printf_log(phba, |
6715 | KERN_ERR, LOG_INIT, | |
90695ee0 JS |
6716 | "3188 Reducing IO channels to match number of " |
6717 | "CPUs: from %d to %d\n", cfg_fcp_io_channel, i); | |
6718 | cfg_fcp_io_channel = i; | |
6719 | } | |
6720 | ||
67d12733 JS |
6721 | if (cfg_fcp_io_channel > |
6722 | phba->sli4_hba.max_cfg_param.max_eq) { | |
82c3e9ba JS |
6723 | if (phba->sli4_hba.max_cfg_param.max_eq < |
6724 | LPFC_FCP_IO_CHAN_MIN) { | |
da0436e9 JS |
6725 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6726 | "2574 Not enough EQs (%d) from the " | |
6727 | "pci function for supporting FCP " | |
6728 | "EQs (%d)\n", | |
6729 | phba->sli4_hba.max_cfg_param.max_eq, | |
67d12733 | 6730 | phba->cfg_fcp_io_channel); |
da0436e9 JS |
6731 | goto out_error; |
6732 | } | |
82c3e9ba JS |
6733 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6734 | "2575 Reducing IO channels to match number of " | |
6735 | "available EQs: from %d to %d\n", | |
6736 | cfg_fcp_io_channel, | |
6737 | phba->sli4_hba.max_cfg_param.max_eq); | |
6738 | cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq; | |
da0436e9 | 6739 | } |
67d12733 JS |
6740 | |
6741 | /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */ | |
6742 | ||
da0436e9 | 6743 | /* The actual number of FCP event queues adopted */ |
67d12733 JS |
6744 | phba->cfg_fcp_eq_count = cfg_fcp_io_channel; |
6745 | phba->cfg_fcp_wq_count = cfg_fcp_io_channel; | |
6746 | phba->cfg_fcp_io_channel = cfg_fcp_io_channel; | |
3772a991 | 6747 | |
da0436e9 JS |
6748 | /* Get EQ depth from module parameter, fake the default for now */ |
6749 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
6750 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 6751 | |
5350d872 JS |
6752 | /* Get CQ depth from module parameter, fake the default for now */ |
6753 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
6754 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
6755 | ||
6756 | return 0; | |
6757 | out_error: | |
6758 | return -ENOMEM; | |
6759 | } | |
6760 | ||
6761 | /** | |
6762 | * lpfc_sli4_queue_create - Create all the SLI4 queues | |
6763 | * @phba: pointer to lpfc hba data structure. | |
6764 | * | |
6765 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA | |
6766 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
6767 | * count (queue depth) shall be taken from the module parameter. For now, | |
6768 | * we just use some constant number as place holder. | |
6769 | * | |
6770 | * Return codes | |
4907cb7b | 6771 | * 0 - successful |
5350d872 JS |
6772 | * -ENOMEM - No availble memory |
6773 | * -EIO - The mailbox failed to complete successfully. | |
6774 | **/ | |
6775 | int | |
6776 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
6777 | { | |
6778 | struct lpfc_queue *qdesc; | |
67d12733 | 6779 | int idx; |
5350d872 JS |
6780 | |
6781 | /* | |
67d12733 | 6782 | * Create HBA Record arrays. |
5350d872 | 6783 | */ |
67d12733 JS |
6784 | if (!phba->cfg_fcp_io_channel) |
6785 | return -ERANGE; | |
5350d872 | 6786 | |
67d12733 JS |
6787 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; |
6788 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
6789 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
6790 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
6791 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
6792 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
6793 | ||
6794 | phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) * | |
6795 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6796 | if (!phba->sli4_hba.hba_eq) { | |
6797 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6798 | "2576 Failed allocate memory for " | |
6799 | "fast-path EQ record array\n"); | |
6800 | goto out_error; | |
6801 | } | |
6802 | ||
6803 | phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) * | |
6804 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6805 | if (!phba->sli4_hba.fcp_cq) { | |
da0436e9 | 6806 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
67d12733 JS |
6807 | "2577 Failed allocate memory for fast-path " |
6808 | "CQ record array\n"); | |
6809 | goto out_error; | |
6810 | } | |
6811 | ||
6812 | phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) * | |
6813 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6814 | if (!phba->sli4_hba.fcp_wq) { | |
6815 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6816 | "2578 Failed allocate memory for fast-path " | |
6817 | "WQ record array\n"); | |
da0436e9 JS |
6818 | goto out_error; |
6819 | } | |
da0436e9 | 6820 | |
5350d872 | 6821 | /* |
67d12733 JS |
6822 | * Since the first EQ can have multiple CQs associated with it, |
6823 | * this array is used to quickly see if we have a FCP fast-path | |
6824 | * CQ match. | |
5350d872 | 6825 | */ |
67d12733 JS |
6826 | phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) * |
6827 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6828 | if (!phba->sli4_hba.fcp_cq_map) { | |
6829 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6830 | "2545 Failed allocate memory for fast-path " | |
6831 | "CQ map\n"); | |
6832 | goto out_error; | |
da0436e9 | 6833 | } |
67d12733 JS |
6834 | |
6835 | /* | |
6836 | * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies | |
6837 | * how many EQs to create. | |
6838 | */ | |
6839 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
6840 | ||
6841 | /* Create EQs */ | |
da0436e9 JS |
6842 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, |
6843 | phba->sli4_hba.eq_ecount); | |
6844 | if (!qdesc) { | |
6845 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
67d12733 JS |
6846 | "0497 Failed allocate EQ (%d)\n", idx); |
6847 | goto out_error; | |
da0436e9 | 6848 | } |
67d12733 JS |
6849 | phba->sli4_hba.hba_eq[idx] = qdesc; |
6850 | ||
6851 | /* Create Fast Path FCP CQs */ | |
6852 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6853 | phba->sli4_hba.cq_ecount); | |
6854 | if (!qdesc) { | |
6855 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6856 | "0499 Failed allocate fast-path FCP " | |
6857 | "CQ (%d)\n", idx); | |
6858 | goto out_error; | |
6859 | } | |
6860 | phba->sli4_hba.fcp_cq[idx] = qdesc; | |
6861 | ||
6862 | /* Create Fast Path FCP WQs */ | |
6863 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
6864 | phba->sli4_hba.wq_ecount); | |
6865 | if (!qdesc) { | |
6866 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6867 | "0503 Failed allocate fast-path FCP " | |
6868 | "WQ (%d)\n", idx); | |
6869 | goto out_error; | |
6870 | } | |
6871 | phba->sli4_hba.fcp_wq[idx] = qdesc; | |
da0436e9 JS |
6872 | } |
6873 | ||
67d12733 | 6874 | |
da0436e9 | 6875 | /* |
67d12733 | 6876 | * Create Slow Path Completion Queues (CQs) |
da0436e9 JS |
6877 | */ |
6878 | ||
da0436e9 JS |
6879 | /* Create slow-path Mailbox Command Complete Queue */ |
6880 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6881 | phba->sli4_hba.cq_ecount); | |
6882 | if (!qdesc) { | |
6883 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6884 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
67d12733 | 6885 | goto out_error; |
da0436e9 JS |
6886 | } |
6887 | phba->sli4_hba.mbx_cq = qdesc; | |
6888 | ||
6889 | /* Create slow-path ELS Complete Queue */ | |
6890 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6891 | phba->sli4_hba.cq_ecount); | |
6892 | if (!qdesc) { | |
6893 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6894 | "0501 Failed allocate slow-path ELS CQ\n"); | |
67d12733 | 6895 | goto out_error; |
da0436e9 JS |
6896 | } |
6897 | phba->sli4_hba.els_cq = qdesc; | |
6898 | ||
da0436e9 | 6899 | |
5350d872 | 6900 | /* |
67d12733 | 6901 | * Create Slow Path Work Queues (WQs) |
5350d872 | 6902 | */ |
da0436e9 JS |
6903 | |
6904 | /* Create Mailbox Command Queue */ | |
da0436e9 JS |
6905 | |
6906 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
6907 | phba->sli4_hba.mq_ecount); | |
6908 | if (!qdesc) { | |
6909 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6910 | "0505 Failed allocate slow-path MQ\n"); | |
67d12733 | 6911 | goto out_error; |
da0436e9 JS |
6912 | } |
6913 | phba->sli4_hba.mbx_wq = qdesc; | |
6914 | ||
6915 | /* | |
67d12733 | 6916 | * Create ELS Work Queues |
da0436e9 | 6917 | */ |
da0436e9 JS |
6918 | |
6919 | /* Create slow-path ELS Work Queue */ | |
6920 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
6921 | phba->sli4_hba.wq_ecount); | |
6922 | if (!qdesc) { | |
6923 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6924 | "0504 Failed allocate slow-path ELS WQ\n"); | |
67d12733 | 6925 | goto out_error; |
da0436e9 JS |
6926 | } |
6927 | phba->sli4_hba.els_wq = qdesc; | |
6928 | ||
da0436e9 JS |
6929 | /* |
6930 | * Create Receive Queue (RQ) | |
6931 | */ | |
da0436e9 JS |
6932 | |
6933 | /* Create Receive Queue for header */ | |
6934 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
6935 | phba->sli4_hba.rq_ecount); | |
6936 | if (!qdesc) { | |
6937 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6938 | "0506 Failed allocate receive HRQ\n"); | |
67d12733 | 6939 | goto out_error; |
da0436e9 JS |
6940 | } |
6941 | phba->sli4_hba.hdr_rq = qdesc; | |
6942 | ||
6943 | /* Create Receive Queue for data */ | |
6944 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
6945 | phba->sli4_hba.rq_ecount); | |
6946 | if (!qdesc) { | |
6947 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6948 | "0507 Failed allocate receive DRQ\n"); | |
67d12733 | 6949 | goto out_error; |
da0436e9 JS |
6950 | } |
6951 | phba->sli4_hba.dat_rq = qdesc; | |
6952 | ||
6953 | return 0; | |
6954 | ||
da0436e9 | 6955 | out_error: |
67d12733 | 6956 | lpfc_sli4_queue_destroy(phba); |
da0436e9 JS |
6957 | return -ENOMEM; |
6958 | } | |
6959 | ||
6960 | /** | |
6961 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
6962 | * @phba: pointer to lpfc hba data structure. | |
6963 | * | |
6964 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
6965 | * operation. | |
6966 | * | |
6967 | * Return codes | |
af901ca1 | 6968 | * 0 - successful |
25985edc | 6969 | * -ENOMEM - No available memory |
d439d286 | 6970 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 | 6971 | **/ |
5350d872 | 6972 | void |
da0436e9 JS |
6973 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) |
6974 | { | |
67d12733 JS |
6975 | int idx; |
6976 | ||
6977 | if (phba->sli4_hba.hba_eq != NULL) { | |
6978 | /* Release HBA event queue */ | |
6979 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
6980 | if (phba->sli4_hba.hba_eq[idx] != NULL) { | |
6981 | lpfc_sli4_queue_free( | |
6982 | phba->sli4_hba.hba_eq[idx]); | |
6983 | phba->sli4_hba.hba_eq[idx] = NULL; | |
6984 | } | |
6985 | } | |
6986 | kfree(phba->sli4_hba.hba_eq); | |
6987 | phba->sli4_hba.hba_eq = NULL; | |
6988 | } | |
6989 | ||
6990 | if (phba->sli4_hba.fcp_cq != NULL) { | |
6991 | /* Release FCP completion queue */ | |
6992 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
6993 | if (phba->sli4_hba.fcp_cq[idx] != NULL) { | |
6994 | lpfc_sli4_queue_free( | |
6995 | phba->sli4_hba.fcp_cq[idx]); | |
6996 | phba->sli4_hba.fcp_cq[idx] = NULL; | |
6997 | } | |
6998 | } | |
6999 | kfree(phba->sli4_hba.fcp_cq); | |
7000 | phba->sli4_hba.fcp_cq = NULL; | |
7001 | } | |
7002 | ||
7003 | if (phba->sli4_hba.fcp_wq != NULL) { | |
7004 | /* Release FCP work queue */ | |
7005 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7006 | if (phba->sli4_hba.fcp_wq[idx] != NULL) { | |
7007 | lpfc_sli4_queue_free( | |
7008 | phba->sli4_hba.fcp_wq[idx]); | |
7009 | phba->sli4_hba.fcp_wq[idx] = NULL; | |
7010 | } | |
7011 | } | |
7012 | kfree(phba->sli4_hba.fcp_wq); | |
7013 | phba->sli4_hba.fcp_wq = NULL; | |
7014 | } | |
7015 | ||
962bc51b JS |
7016 | if (phba->pci_bar0_memmap_p) { |
7017 | iounmap(phba->pci_bar0_memmap_p); | |
7018 | phba->pci_bar0_memmap_p = NULL; | |
7019 | } | |
7020 | if (phba->pci_bar2_memmap_p) { | |
7021 | iounmap(phba->pci_bar2_memmap_p); | |
7022 | phba->pci_bar2_memmap_p = NULL; | |
7023 | } | |
7024 | if (phba->pci_bar4_memmap_p) { | |
7025 | iounmap(phba->pci_bar4_memmap_p); | |
7026 | phba->pci_bar4_memmap_p = NULL; | |
7027 | } | |
7028 | ||
67d12733 JS |
7029 | /* Release FCP CQ mapping array */ |
7030 | if (phba->sli4_hba.fcp_cq_map != NULL) { | |
7031 | kfree(phba->sli4_hba.fcp_cq_map); | |
7032 | phba->sli4_hba.fcp_cq_map = NULL; | |
7033 | } | |
da0436e9 JS |
7034 | |
7035 | /* Release mailbox command work queue */ | |
67d12733 JS |
7036 | if (phba->sli4_hba.mbx_wq != NULL) { |
7037 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
7038 | phba->sli4_hba.mbx_wq = NULL; | |
7039 | } | |
da0436e9 JS |
7040 | |
7041 | /* Release ELS work queue */ | |
67d12733 JS |
7042 | if (phba->sli4_hba.els_wq != NULL) { |
7043 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
7044 | phba->sli4_hba.els_wq = NULL; | |
7045 | } | |
da0436e9 JS |
7046 | |
7047 | /* Release unsolicited receive queue */ | |
67d12733 JS |
7048 | if (phba->sli4_hba.hdr_rq != NULL) { |
7049 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
7050 | phba->sli4_hba.hdr_rq = NULL; | |
7051 | } | |
7052 | if (phba->sli4_hba.dat_rq != NULL) { | |
7053 | lpfc_sli4_queue_free(phba->sli4_hba.dat_rq); | |
7054 | phba->sli4_hba.dat_rq = NULL; | |
7055 | } | |
da0436e9 | 7056 | |
da0436e9 | 7057 | /* Release ELS complete queue */ |
67d12733 JS |
7058 | if (phba->sli4_hba.els_cq != NULL) { |
7059 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
7060 | phba->sli4_hba.els_cq = NULL; | |
7061 | } | |
da0436e9 JS |
7062 | |
7063 | /* Release mailbox command complete queue */ | |
67d12733 JS |
7064 | if (phba->sli4_hba.mbx_cq != NULL) { |
7065 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
7066 | phba->sli4_hba.mbx_cq = NULL; | |
7067 | } | |
da0436e9 JS |
7068 | |
7069 | return; | |
7070 | } | |
7071 | ||
7072 | /** | |
7073 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
7074 | * @phba: pointer to lpfc hba data structure. | |
7075 | * | |
7076 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
7077 | * operation. | |
7078 | * | |
7079 | * Return codes | |
af901ca1 | 7080 | * 0 - successful |
25985edc | 7081 | * -ENOMEM - No available memory |
d439d286 | 7082 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7083 | **/ |
7084 | int | |
7085 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
7086 | { | |
2a76a283 JS |
7087 | struct lpfc_sli *psli = &phba->sli; |
7088 | struct lpfc_sli_ring *pring; | |
da0436e9 JS |
7089 | int rc = -ENOMEM; |
7090 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
7091 | int fcp_cq_index = 0; | |
962bc51b JS |
7092 | uint32_t shdr_status, shdr_add_status; |
7093 | union lpfc_sli4_cfg_shdr *shdr; | |
7094 | LPFC_MBOXQ_t *mboxq; | |
7095 | uint32_t length; | |
7096 | ||
7097 | /* Check for dual-ULP support */ | |
7098 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7099 | if (!mboxq) { | |
7100 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7101 | "3249 Unable to allocate memory for " | |
7102 | "QUERY_FW_CFG mailbox command\n"); | |
7103 | return -ENOMEM; | |
7104 | } | |
7105 | length = (sizeof(struct lpfc_mbx_query_fw_config) - | |
7106 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
7107 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7108 | LPFC_MBOX_OPCODE_QUERY_FW_CFG, | |
7109 | length, LPFC_SLI4_MBX_EMBED); | |
7110 | ||
7111 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7112 | ||
7113 | shdr = (union lpfc_sli4_cfg_shdr *) | |
7114 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
7115 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7116 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
7117 | if (shdr_status || shdr_add_status || rc) { | |
7118 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7119 | "3250 QUERY_FW_CFG mailbox failed with status " | |
7120 | "x%x add_status x%x, mbx status x%x\n", | |
7121 | shdr_status, shdr_add_status, rc); | |
7122 | if (rc != MBX_TIMEOUT) | |
7123 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7124 | rc = -ENXIO; | |
7125 | goto out_error; | |
7126 | } | |
7127 | ||
7128 | phba->sli4_hba.fw_func_mode = | |
7129 | mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; | |
7130 | phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; | |
7131 | phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; | |
7132 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7133 | "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " | |
7134 | "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, | |
7135 | phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); | |
7136 | ||
7137 | if (rc != MBX_TIMEOUT) | |
7138 | mempool_free(mboxq, phba->mbox_mem_pool); | |
da0436e9 JS |
7139 | |
7140 | /* | |
67d12733 | 7141 | * Set up HBA Event Queues (EQs) |
da0436e9 JS |
7142 | */ |
7143 | ||
67d12733 JS |
7144 | /* Set up HBA event queue */ |
7145 | if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) { | |
2e90f4b5 JS |
7146 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7147 | "3147 Fast-path EQs not allocated\n"); | |
1b51197d | 7148 | rc = -ENOMEM; |
67d12733 | 7149 | goto out_error; |
2e90f4b5 | 7150 | } |
67d12733 JS |
7151 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) { |
7152 | if (!phba->sli4_hba.hba_eq[fcp_eqidx]) { | |
da0436e9 JS |
7153 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7154 | "0522 Fast-path EQ (%d) not " | |
7155 | "allocated\n", fcp_eqidx); | |
1b51197d | 7156 | rc = -ENOMEM; |
67d12733 | 7157 | goto out_destroy_hba_eq; |
da0436e9 | 7158 | } |
67d12733 | 7159 | rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx], |
bf8dae83 | 7160 | (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel)); |
da0436e9 JS |
7161 | if (rc) { |
7162 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7163 | "0523 Failed setup of fast-path EQ " | |
7164 | "(%d), rc = 0x%x\n", fcp_eqidx, rc); | |
67d12733 | 7165 | goto out_destroy_hba_eq; |
da0436e9 JS |
7166 | } |
7167 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
67d12733 | 7168 | "2584 HBA EQ setup: " |
da0436e9 | 7169 | "queue[%d]-id=%d\n", fcp_eqidx, |
67d12733 | 7170 | phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id); |
da0436e9 JS |
7171 | } |
7172 | ||
67d12733 JS |
7173 | /* Set up fast-path FCP Response Complete Queue */ |
7174 | if (!phba->sli4_hba.fcp_cq) { | |
7175 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7176 | "3148 Fast-path FCP CQ array not " | |
7177 | "allocated\n"); | |
7178 | rc = -ENOMEM; | |
7179 | goto out_destroy_hba_eq; | |
7180 | } | |
7181 | ||
7182 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) { | |
7183 | if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) { | |
7184 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7185 | "0526 Fast-path FCP CQ (%d) not " | |
7186 | "allocated\n", fcp_cqidx); | |
7187 | rc = -ENOMEM; | |
7188 | goto out_destroy_fcp_cq; | |
7189 | } | |
7190 | rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx], | |
7191 | phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP); | |
7192 | if (rc) { | |
7193 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7194 | "0527 Failed setup of fast-path FCP " | |
7195 | "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc); | |
7196 | goto out_destroy_fcp_cq; | |
7197 | } | |
7198 | ||
7199 | /* Setup fcp_cq_map for fast lookup */ | |
7200 | phba->sli4_hba.fcp_cq_map[fcp_cqidx] = | |
7201 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id; | |
7202 | ||
7203 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7204 | "2588 FCP CQ setup: cq[%d]-id=%d, " | |
7205 | "parent seq[%d]-id=%d\n", | |
7206 | fcp_cqidx, | |
7207 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id, | |
7208 | fcp_cqidx, | |
7209 | phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id); | |
7210 | } | |
7211 | ||
7212 | /* Set up fast-path FCP Work Queue */ | |
7213 | if (!phba->sli4_hba.fcp_wq) { | |
7214 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7215 | "3149 Fast-path FCP WQ array not " | |
7216 | "allocated\n"); | |
7217 | rc = -ENOMEM; | |
7218 | goto out_destroy_fcp_cq; | |
7219 | } | |
7220 | ||
7221 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) { | |
7222 | if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) { | |
7223 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7224 | "0534 Fast-path FCP WQ (%d) not " | |
7225 | "allocated\n", fcp_wqidx); | |
7226 | rc = -ENOMEM; | |
7227 | goto out_destroy_fcp_wq; | |
7228 | } | |
7229 | rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx], | |
7230 | phba->sli4_hba.fcp_cq[fcp_wqidx], | |
7231 | LPFC_FCP); | |
7232 | if (rc) { | |
7233 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7234 | "0535 Failed setup of fast-path FCP " | |
7235 | "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc); | |
7236 | goto out_destroy_fcp_wq; | |
7237 | } | |
7238 | ||
7239 | /* Bind this WQ to the next FCP ring */ | |
7240 | pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx]; | |
7241 | pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx]; | |
7242 | phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring; | |
7243 | ||
7244 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7245 | "2591 FCP WQ setup: wq[%d]-id=%d, " | |
7246 | "parent cq[%d]-id=%d\n", | |
7247 | fcp_wqidx, | |
7248 | phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id, | |
7249 | fcp_cq_index, | |
7250 | phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id); | |
7251 | } | |
da0436e9 JS |
7252 | /* |
7253 | * Set up Complete Queues (CQs) | |
7254 | */ | |
7255 | ||
7256 | /* Set up slow-path MBOX Complete Queue as the first CQ */ | |
7257 | if (!phba->sli4_hba.mbx_cq) { | |
7258 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7259 | "0528 Mailbox CQ not allocated\n"); | |
1b51197d | 7260 | rc = -ENOMEM; |
67d12733 | 7261 | goto out_destroy_fcp_wq; |
da0436e9 | 7262 | } |
67d12733 JS |
7263 | rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, |
7264 | phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX); | |
da0436e9 JS |
7265 | if (rc) { |
7266 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7267 | "0529 Failed setup of slow-path mailbox CQ: " | |
7268 | "rc = 0x%x\n", rc); | |
67d12733 | 7269 | goto out_destroy_fcp_wq; |
da0436e9 JS |
7270 | } |
7271 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7272 | "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n", | |
7273 | phba->sli4_hba.mbx_cq->queue_id, | |
67d12733 | 7274 | phba->sli4_hba.hba_eq[0]->queue_id); |
da0436e9 JS |
7275 | |
7276 | /* Set up slow-path ELS Complete Queue */ | |
7277 | if (!phba->sli4_hba.els_cq) { | |
7278 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7279 | "0530 ELS CQ not allocated\n"); | |
1b51197d | 7280 | rc = -ENOMEM; |
da0436e9 JS |
7281 | goto out_destroy_mbx_cq; |
7282 | } | |
67d12733 JS |
7283 | rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, |
7284 | phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS); | |
da0436e9 JS |
7285 | if (rc) { |
7286 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7287 | "0531 Failed setup of slow-path ELS CQ: " | |
7288 | "rc = 0x%x\n", rc); | |
7289 | goto out_destroy_mbx_cq; | |
7290 | } | |
7291 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7292 | "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n", | |
7293 | phba->sli4_hba.els_cq->queue_id, | |
67d12733 | 7294 | phba->sli4_hba.hba_eq[0]->queue_id); |
da0436e9 JS |
7295 | |
7296 | /* | |
7297 | * Set up all the Work Queues (WQs) | |
7298 | */ | |
7299 | ||
7300 | /* Set up Mailbox Command Queue */ | |
7301 | if (!phba->sli4_hba.mbx_wq) { | |
7302 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7303 | "0538 Slow-path MQ not allocated\n"); | |
1b51197d | 7304 | rc = -ENOMEM; |
67d12733 | 7305 | goto out_destroy_els_cq; |
da0436e9 JS |
7306 | } |
7307 | rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq, | |
7308 | phba->sli4_hba.mbx_cq, LPFC_MBOX); | |
7309 | if (rc) { | |
7310 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7311 | "0539 Failed setup of slow-path MQ: " | |
7312 | "rc = 0x%x\n", rc); | |
67d12733 | 7313 | goto out_destroy_els_cq; |
da0436e9 JS |
7314 | } |
7315 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7316 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
7317 | phba->sli4_hba.mbx_wq->queue_id, | |
7318 | phba->sli4_hba.mbx_cq->queue_id); | |
7319 | ||
7320 | /* Set up slow-path ELS Work Queue */ | |
7321 | if (!phba->sli4_hba.els_wq) { | |
7322 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7323 | "0536 Slow-path ELS WQ not allocated\n"); | |
1b51197d | 7324 | rc = -ENOMEM; |
da0436e9 JS |
7325 | goto out_destroy_mbx_wq; |
7326 | } | |
7327 | rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq, | |
7328 | phba->sli4_hba.els_cq, LPFC_ELS); | |
7329 | if (rc) { | |
7330 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7331 | "0537 Failed setup of slow-path ELS WQ: " | |
7332 | "rc = 0x%x\n", rc); | |
7333 | goto out_destroy_mbx_wq; | |
7334 | } | |
2a76a283 JS |
7335 | |
7336 | /* Bind this WQ to the ELS ring */ | |
7337 | pring = &psli->ring[LPFC_ELS_RING]; | |
7338 | pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq; | |
7339 | phba->sli4_hba.els_cq->pring = pring; | |
7340 | ||
da0436e9 JS |
7341 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7342 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
7343 | phba->sli4_hba.els_wq->queue_id, | |
7344 | phba->sli4_hba.els_cq->queue_id); | |
7345 | ||
da0436e9 JS |
7346 | /* |
7347 | * Create Receive Queue (RQ) | |
7348 | */ | |
7349 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { | |
7350 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7351 | "0540 Receive Queue not allocated\n"); | |
1b51197d | 7352 | rc = -ENOMEM; |
67d12733 | 7353 | goto out_destroy_els_wq; |
da0436e9 | 7354 | } |
73d91e50 JS |
7355 | |
7356 | lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ); | |
7357 | lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ); | |
7358 | ||
da0436e9 | 7359 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, |
4d9ab994 | 7360 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
7361 | if (rc) { |
7362 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7363 | "0541 Failed setup of Receive Queue: " | |
7364 | "rc = 0x%x\n", rc); | |
7365 | goto out_destroy_fcp_wq; | |
7366 | } | |
73d91e50 | 7367 | |
da0436e9 JS |
7368 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7369 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
7370 | "parent cq-id=%d\n", | |
7371 | phba->sli4_hba.hdr_rq->queue_id, | |
7372 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 7373 | phba->sli4_hba.els_cq->queue_id); |
da0436e9 JS |
7374 | return 0; |
7375 | ||
2e90f4b5 | 7376 | out_destroy_els_wq: |
da0436e9 JS |
7377 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); |
7378 | out_destroy_mbx_wq: | |
7379 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
2e90f4b5 | 7380 | out_destroy_els_cq: |
da0436e9 JS |
7381 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); |
7382 | out_destroy_mbx_cq: | |
7383 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
67d12733 JS |
7384 | out_destroy_fcp_wq: |
7385 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) | |
7386 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
7387 | out_destroy_fcp_cq: | |
7388 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) | |
7389 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
7390 | out_destroy_hba_eq: | |
da0436e9 | 7391 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) |
67d12733 | 7392 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]); |
da0436e9 JS |
7393 | out_error: |
7394 | return rc; | |
7395 | } | |
7396 | ||
7397 | /** | |
7398 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
7399 | * @phba: pointer to lpfc hba data structure. | |
7400 | * | |
7401 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
7402 | * operation. | |
7403 | * | |
7404 | * Return codes | |
af901ca1 | 7405 | * 0 - successful |
25985edc | 7406 | * -ENOMEM - No available memory |
d439d286 | 7407 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7408 | **/ |
7409 | void | |
7410 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
7411 | { | |
7412 | int fcp_qidx; | |
7413 | ||
7414 | /* Unset mailbox command work queue */ | |
7415 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
7416 | /* Unset ELS work queue */ | |
7417 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
7418 | /* Unset unsolicited receive queue */ | |
7419 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); | |
7420 | /* Unset FCP work queue */ | |
67d12733 JS |
7421 | if (phba->sli4_hba.fcp_wq) { |
7422 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; | |
7423 | fcp_qidx++) | |
7424 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]); | |
7425 | } | |
da0436e9 JS |
7426 | /* Unset mailbox command complete queue */ |
7427 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
7428 | /* Unset ELS complete queue */ | |
7429 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
da0436e9 | 7430 | /* Unset FCP response complete queue */ |
2e90f4b5 | 7431 | if (phba->sli4_hba.fcp_cq) { |
67d12733 JS |
7432 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; |
7433 | fcp_qidx++) | |
2e90f4b5 | 7434 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]); |
2e90f4b5 | 7435 | } |
da0436e9 | 7436 | /* Unset fast-path event queue */ |
67d12733 JS |
7437 | if (phba->sli4_hba.hba_eq) { |
7438 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; | |
2e90f4b5 | 7439 | fcp_qidx++) |
67d12733 | 7440 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]); |
2e90f4b5 | 7441 | } |
da0436e9 JS |
7442 | } |
7443 | ||
7444 | /** | |
7445 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
7446 | * @phba: pointer to lpfc hba data structure. | |
7447 | * | |
7448 | * This routine is invoked to allocate and set up a pool of completion queue | |
7449 | * events. The body of the completion queue event is a completion queue entry | |
7450 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
7451 | * the following HBA completion queue events for the worker thread to process: | |
7452 | * - Mailbox asynchronous events | |
7453 | * - Receive queue completion unsolicited events | |
7454 | * Later, this can be used for all the slow-path events. | |
7455 | * | |
7456 | * Return codes | |
af901ca1 | 7457 | * 0 - successful |
25985edc | 7458 | * -ENOMEM - No available memory |
da0436e9 JS |
7459 | **/ |
7460 | static int | |
7461 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
7462 | { | |
7463 | struct lpfc_cq_event *cq_event; | |
7464 | int i; | |
7465 | ||
7466 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
7467 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
7468 | if (!cq_event) | |
7469 | goto out_pool_create_fail; | |
7470 | list_add_tail(&cq_event->list, | |
7471 | &phba->sli4_hba.sp_cqe_event_pool); | |
7472 | } | |
7473 | return 0; | |
7474 | ||
7475 | out_pool_create_fail: | |
7476 | lpfc_sli4_cq_event_pool_destroy(phba); | |
7477 | return -ENOMEM; | |
7478 | } | |
7479 | ||
7480 | /** | |
7481 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
7482 | * @phba: pointer to lpfc hba data structure. | |
7483 | * | |
7484 | * This routine is invoked to free the pool of completion queue events at | |
7485 | * driver unload time. Note that, it is the responsibility of the driver | |
7486 | * cleanup routine to free all the outstanding completion-queue events | |
7487 | * allocated from this pool back into the pool before invoking this routine | |
7488 | * to destroy the pool. | |
7489 | **/ | |
7490 | static void | |
7491 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
7492 | { | |
7493 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
7494 | ||
7495 | list_for_each_entry_safe(cq_event, next_cq_event, | |
7496 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
7497 | list_del(&cq_event->list); | |
7498 | kfree(cq_event); | |
7499 | } | |
7500 | } | |
7501 | ||
7502 | /** | |
7503 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
7504 | * @phba: pointer to lpfc hba data structure. | |
7505 | * | |
7506 | * This routine is the lock free version of the API invoked to allocate a | |
7507 | * completion-queue event from the free pool. | |
7508 | * | |
7509 | * Return: Pointer to the newly allocated completion-queue event if successful | |
7510 | * NULL otherwise. | |
7511 | **/ | |
7512 | struct lpfc_cq_event * | |
7513 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
7514 | { | |
7515 | struct lpfc_cq_event *cq_event = NULL; | |
7516 | ||
7517 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
7518 | struct lpfc_cq_event, list); | |
7519 | return cq_event; | |
7520 | } | |
7521 | ||
7522 | /** | |
7523 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
7524 | * @phba: pointer to lpfc hba data structure. | |
7525 | * | |
7526 | * This routine is the lock version of the API invoked to allocate a | |
7527 | * completion-queue event from the free pool. | |
7528 | * | |
7529 | * Return: Pointer to the newly allocated completion-queue event if successful | |
7530 | * NULL otherwise. | |
7531 | **/ | |
7532 | struct lpfc_cq_event * | |
7533 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
7534 | { | |
7535 | struct lpfc_cq_event *cq_event; | |
7536 | unsigned long iflags; | |
7537 | ||
7538 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7539 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
7540 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7541 | return cq_event; | |
7542 | } | |
7543 | ||
7544 | /** | |
7545 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
7546 | * @phba: pointer to lpfc hba data structure. | |
7547 | * @cq_event: pointer to the completion queue event to be freed. | |
7548 | * | |
7549 | * This routine is the lock free version of the API invoked to release a | |
7550 | * completion-queue event back into the free pool. | |
7551 | **/ | |
7552 | void | |
7553 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
7554 | struct lpfc_cq_event *cq_event) | |
7555 | { | |
7556 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
7557 | } | |
7558 | ||
7559 | /** | |
7560 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
7561 | * @phba: pointer to lpfc hba data structure. | |
7562 | * @cq_event: pointer to the completion queue event to be freed. | |
7563 | * | |
7564 | * This routine is the lock version of the API invoked to release a | |
7565 | * completion-queue event back into the free pool. | |
7566 | **/ | |
7567 | void | |
7568 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
7569 | struct lpfc_cq_event *cq_event) | |
7570 | { | |
7571 | unsigned long iflags; | |
7572 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7573 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
7574 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7575 | } | |
7576 | ||
7577 | /** | |
7578 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
7579 | * @phba: pointer to lpfc hba data structure. | |
7580 | * | |
7581 | * This routine is to free all the pending completion-queue events to the | |
7582 | * back into the free pool for device reset. | |
7583 | **/ | |
7584 | static void | |
7585 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
7586 | { | |
7587 | LIST_HEAD(cqelist); | |
7588 | struct lpfc_cq_event *cqe; | |
7589 | unsigned long iflags; | |
7590 | ||
7591 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
7592 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7593 | /* Pending FCP XRI abort events */ | |
7594 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
7595 | &cqelist); | |
7596 | /* Pending ELS XRI abort events */ | |
7597 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
7598 | &cqelist); | |
7599 | /* Pending asynnc events */ | |
7600 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
7601 | &cqelist); | |
7602 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7603 | ||
7604 | while (!list_empty(&cqelist)) { | |
7605 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
7606 | lpfc_sli4_cq_event_release(phba, cqe); | |
7607 | } | |
7608 | } | |
7609 | ||
7610 | /** | |
7611 | * lpfc_pci_function_reset - Reset pci function. | |
7612 | * @phba: pointer to lpfc hba data structure. | |
7613 | * | |
7614 | * This routine is invoked to request a PCI function reset. It will destroys | |
7615 | * all resources assigned to the PCI function which originates this request. | |
7616 | * | |
7617 | * Return codes | |
af901ca1 | 7618 | * 0 - successful |
25985edc | 7619 | * -ENOMEM - No available memory |
d439d286 | 7620 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7621 | **/ |
7622 | int | |
7623 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
7624 | { | |
7625 | LPFC_MBOXQ_t *mboxq; | |
2fcee4bf | 7626 | uint32_t rc = 0, if_type; |
da0436e9 | 7627 | uint32_t shdr_status, shdr_add_status; |
2fcee4bf | 7628 | uint32_t rdy_chk, num_resets = 0, reset_again = 0; |
da0436e9 | 7629 | union lpfc_sli4_cfg_shdr *shdr; |
2fcee4bf | 7630 | struct lpfc_register reg_data; |
2b81f942 | 7631 | uint16_t devid; |
da0436e9 | 7632 | |
2fcee4bf JS |
7633 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
7634 | switch (if_type) { | |
7635 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7636 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
7637 | GFP_KERNEL); | |
7638 | if (!mboxq) { | |
7639 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7640 | "0494 Unable to allocate memory for " | |
7641 | "issuing SLI_FUNCTION_RESET mailbox " | |
7642 | "command\n"); | |
7643 | return -ENOMEM; | |
7644 | } | |
da0436e9 | 7645 | |
2fcee4bf JS |
7646 | /* Setup PCI function reset mailbox-ioctl command */ |
7647 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7648 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
7649 | LPFC_SLI4_MBX_EMBED); | |
7650 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7651 | shdr = (union lpfc_sli4_cfg_shdr *) | |
7652 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
7653 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7654 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
7655 | &shdr->response); | |
7656 | if (rc != MBX_TIMEOUT) | |
7657 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7658 | if (shdr_status || shdr_add_status || rc) { | |
7659 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7660 | "0495 SLI_FUNCTION_RESET mailbox " | |
7661 | "failed with status x%x add_status x%x," | |
7662 | " mbx status x%x\n", | |
7663 | shdr_status, shdr_add_status, rc); | |
7664 | rc = -ENXIO; | |
7665 | } | |
7666 | break; | |
7667 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7668 | for (num_resets = 0; | |
7669 | num_resets < MAX_IF_TYPE_2_RESETS; | |
7670 | num_resets++) { | |
7671 | reg_data.word0 = 0; | |
7672 | bf_set(lpfc_sliport_ctrl_end, ®_data, | |
7673 | LPFC_SLIPORT_LITTLE_ENDIAN); | |
7674 | bf_set(lpfc_sliport_ctrl_ip, ®_data, | |
7675 | LPFC_SLIPORT_INIT_PORT); | |
7676 | writel(reg_data.word0, phba->sli4_hba.u.if_type2. | |
7677 | CTRLregaddr); | |
8fcb8acd | 7678 | /* flush */ |
2b81f942 JS |
7679 | pci_read_config_word(phba->pcidev, |
7680 | PCI_DEVICE_ID, &devid); | |
2fcee4bf JS |
7681 | /* |
7682 | * Poll the Port Status Register and wait for RDY for | |
7683 | * up to 10 seconds. If the port doesn't respond, treat | |
7684 | * it as an error. If the port responds with RN, start | |
7685 | * the loop again. | |
7686 | */ | |
7687 | for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) { | |
73d91e50 | 7688 | msleep(10); |
9940b97b JS |
7689 | if (lpfc_readl(phba->sli4_hba.u.if_type2. |
7690 | STATUSregaddr, ®_data.word0)) { | |
7691 | rc = -ENODEV; | |
73d91e50 | 7692 | goto out; |
9940b97b | 7693 | } |
6b5151fd | 7694 | if (bf_get(lpfc_sliport_status_rn, ®_data)) |
2fcee4bf | 7695 | reset_again++; |
6b5151fd | 7696 | if (bf_get(lpfc_sliport_status_rdy, ®_data)) |
2fcee4bf | 7697 | break; |
2fcee4bf JS |
7698 | } |
7699 | ||
7700 | /* | |
7701 | * If the port responds to the init request with | |
7702 | * reset needed, delay for a bit and restart the loop. | |
7703 | */ | |
6b5151fd | 7704 | if (reset_again && (rdy_chk < 1000)) { |
2fcee4bf JS |
7705 | msleep(10); |
7706 | reset_again = 0; | |
7707 | continue; | |
7708 | } | |
7709 | ||
7710 | /* Detect any port errors. */ | |
2fcee4bf JS |
7711 | if ((bf_get(lpfc_sliport_status_err, ®_data)) || |
7712 | (rdy_chk >= 1000)) { | |
7713 | phba->work_status[0] = readl( | |
7714 | phba->sli4_hba.u.if_type2.ERR1regaddr); | |
7715 | phba->work_status[1] = readl( | |
7716 | phba->sli4_hba.u.if_type2.ERR2regaddr); | |
7717 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd | 7718 | "2890 Port error detected during port " |
8a9d2e80 JS |
7719 | "reset(%d): wait_tmo:%d ms, " |
7720 | "port status reg 0x%x, " | |
2fcee4bf | 7721 | "error 1=0x%x, error 2=0x%x\n", |
8a9d2e80 JS |
7722 | num_resets, rdy_chk*10, |
7723 | reg_data.word0, | |
2fcee4bf JS |
7724 | phba->work_status[0], |
7725 | phba->work_status[1]); | |
7726 | rc = -ENODEV; | |
7727 | } | |
7728 | ||
7729 | /* | |
7730 | * Terminate the outer loop provided the Port indicated | |
7731 | * ready within 10 seconds. | |
7732 | */ | |
7733 | if (rdy_chk < 1000) | |
7734 | break; | |
7735 | } | |
0558056c JS |
7736 | /* delay driver action following IF_TYPE_2 function reset */ |
7737 | msleep(100); | |
2fcee4bf JS |
7738 | break; |
7739 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7740 | default: | |
7741 | break; | |
da0436e9 | 7742 | } |
2fcee4bf | 7743 | |
73d91e50 | 7744 | out: |
2fcee4bf JS |
7745 | /* Catch the not-ready port failure after a port reset. */ |
7746 | if (num_resets >= MAX_IF_TYPE_2_RESETS) | |
7747 | rc = -ENODEV; | |
7748 | ||
da0436e9 JS |
7749 | return rc; |
7750 | } | |
7751 | ||
da0436e9 JS |
7752 | /** |
7753 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
7754 | * @phba: pointer to lpfc hba data structure. | |
7755 | * | |
7756 | * This routine is invoked to set up the PCI device memory space for device | |
7757 | * with SLI-4 interface spec. | |
7758 | * | |
7759 | * Return codes | |
af901ca1 | 7760 | * 0 - successful |
da0436e9 JS |
7761 | * other values - error |
7762 | **/ | |
7763 | static int | |
7764 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
7765 | { | |
7766 | struct pci_dev *pdev; | |
7767 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
7768 | int error = -ENODEV; | |
2fcee4bf | 7769 | uint32_t if_type; |
da0436e9 JS |
7770 | |
7771 | /* Obtain PCI device reference */ | |
7772 | if (!phba->pcidev) | |
7773 | return error; | |
7774 | else | |
7775 | pdev = phba->pcidev; | |
7776 | ||
7777 | /* Set the device DMA mask size */ | |
8e68597d MR |
7778 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
7779 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
7780 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
7781 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 7782 | return error; |
8e68597d MR |
7783 | } |
7784 | } | |
da0436e9 | 7785 | |
2fcee4bf JS |
7786 | /* |
7787 | * The BARs and register set definitions and offset locations are | |
7788 | * dependent on the if_type. | |
7789 | */ | |
7790 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, | |
7791 | &phba->sli4_hba.sli_intf.word0)) { | |
7792 | return error; | |
7793 | } | |
7794 | ||
7795 | /* There is no SLI3 failback for SLI4 devices. */ | |
7796 | if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != | |
7797 | LPFC_SLI_INTF_VALID) { | |
7798 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7799 | "2894 SLI_INTF reg contents invalid " | |
7800 | "sli_intf reg 0x%x\n", | |
7801 | phba->sli4_hba.sli_intf.word0); | |
7802 | return error; | |
7803 | } | |
7804 | ||
7805 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
7806 | /* | |
7807 | * Get the bus address of SLI4 device Bar regions and the | |
7808 | * number of bytes required by each mapping. The mapping of the | |
7809 | * particular PCI BARs regions is dependent on the type of | |
7810 | * SLI4 device. | |
da0436e9 | 7811 | */ |
1dfb5a47 JS |
7812 | if (pci_resource_start(pdev, 0)) { |
7813 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
7814 | bar0map_len = pci_resource_len(pdev, 0); | |
2fcee4bf JS |
7815 | |
7816 | /* | |
7817 | * Map SLI4 PCI Config Space Register base to a kernel virtual | |
7818 | * addr | |
7819 | */ | |
7820 | phba->sli4_hba.conf_regs_memmap_p = | |
7821 | ioremap(phba->pci_bar0_map, bar0map_len); | |
7822 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
7823 | dev_printk(KERN_ERR, &pdev->dev, | |
7824 | "ioremap failed for SLI4 PCI config " | |
7825 | "registers.\n"); | |
7826 | goto out; | |
7827 | } | |
7828 | /* Set up BAR0 PCI config space register memory map */ | |
7829 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
1dfb5a47 JS |
7830 | } else { |
7831 | phba->pci_bar0_map = pci_resource_start(pdev, 1); | |
7832 | bar0map_len = pci_resource_len(pdev, 1); | |
2fcee4bf JS |
7833 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { |
7834 | dev_printk(KERN_ERR, &pdev->dev, | |
7835 | "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); | |
7836 | goto out; | |
7837 | } | |
7838 | phba->sli4_hba.conf_regs_memmap_p = | |
da0436e9 | 7839 | ioremap(phba->pci_bar0_map, bar0map_len); |
2fcee4bf JS |
7840 | if (!phba->sli4_hba.conf_regs_memmap_p) { |
7841 | dev_printk(KERN_ERR, &pdev->dev, | |
7842 | "ioremap failed for SLI4 PCI config " | |
7843 | "registers.\n"); | |
7844 | goto out; | |
7845 | } | |
7846 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
da0436e9 JS |
7847 | } |
7848 | ||
c31098ce JS |
7849 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
7850 | (pci_resource_start(pdev, 2))) { | |
2fcee4bf JS |
7851 | /* |
7852 | * Map SLI4 if type 0 HBA Control Register base to a kernel | |
7853 | * virtual address and setup the registers. | |
7854 | */ | |
7855 | phba->pci_bar1_map = pci_resource_start(pdev, 2); | |
7856 | bar1map_len = pci_resource_len(pdev, 2); | |
7857 | phba->sli4_hba.ctrl_regs_memmap_p = | |
da0436e9 | 7858 | ioremap(phba->pci_bar1_map, bar1map_len); |
2fcee4bf JS |
7859 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { |
7860 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 7861 | "ioremap failed for SLI4 HBA control registers.\n"); |
2fcee4bf JS |
7862 | goto out_iounmap_conf; |
7863 | } | |
7864 | lpfc_sli4_bar1_register_memmap(phba); | |
da0436e9 JS |
7865 | } |
7866 | ||
c31098ce JS |
7867 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
7868 | (pci_resource_start(pdev, 4))) { | |
2fcee4bf JS |
7869 | /* |
7870 | * Map SLI4 if type 0 HBA Doorbell Register base to a kernel | |
7871 | * virtual address and setup the registers. | |
7872 | */ | |
7873 | phba->pci_bar2_map = pci_resource_start(pdev, 4); | |
7874 | bar2map_len = pci_resource_len(pdev, 4); | |
7875 | phba->sli4_hba.drbl_regs_memmap_p = | |
da0436e9 | 7876 | ioremap(phba->pci_bar2_map, bar2map_len); |
2fcee4bf JS |
7877 | if (!phba->sli4_hba.drbl_regs_memmap_p) { |
7878 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 7879 | "ioremap failed for SLI4 HBA doorbell registers.\n"); |
2fcee4bf JS |
7880 | goto out_iounmap_ctrl; |
7881 | } | |
7882 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); | |
7883 | if (error) | |
7884 | goto out_iounmap_all; | |
da0436e9 JS |
7885 | } |
7886 | ||
da0436e9 JS |
7887 | return 0; |
7888 | ||
7889 | out_iounmap_all: | |
7890 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
7891 | out_iounmap_ctrl: | |
7892 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
7893 | out_iounmap_conf: | |
7894 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
7895 | out: | |
7896 | return error; | |
7897 | } | |
7898 | ||
7899 | /** | |
7900 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
7901 | * @phba: pointer to lpfc hba data structure. | |
7902 | * | |
7903 | * This routine is invoked to unset the PCI device memory space for device | |
7904 | * with SLI-4 interface spec. | |
7905 | **/ | |
7906 | static void | |
7907 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
7908 | { | |
2e90f4b5 JS |
7909 | uint32_t if_type; |
7910 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
da0436e9 | 7911 | |
2e90f4b5 JS |
7912 | switch (if_type) { |
7913 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7914 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
7915 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
7916 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
7917 | break; | |
7918 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7919 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
7920 | break; | |
7921 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7922 | default: | |
7923 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
7924 | "FATAL - unsupported SLI4 interface type - %d\n", | |
7925 | if_type); | |
7926 | break; | |
7927 | } | |
da0436e9 JS |
7928 | } |
7929 | ||
7930 | /** | |
7931 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
7932 | * @phba: pointer to lpfc hba data structure. | |
7933 | * | |
7934 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
7935 | * with SLI-3 interface specs. The kernel function pci_enable_msix() is | |
7936 | * called to enable the MSI-X vectors. Note that pci_enable_msix(), once | |
7937 | * invoked, enables either all or nothing, depending on the current | |
7938 | * availability of PCI vector resources. The device driver is responsible | |
7939 | * for calling the individual request_irq() to register each MSI-X vector | |
7940 | * with a interrupt handler, which is done in this function. Note that | |
7941 | * later when device is unloading, the driver should always call free_irq() | |
7942 | * on all MSI-X vectors it has done request_irq() on before calling | |
7943 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
7944 | * will be left with MSI-X enabled and leaks its vectors. | |
7945 | * | |
7946 | * Return codes | |
af901ca1 | 7947 | * 0 - successful |
da0436e9 JS |
7948 | * other values - error |
7949 | **/ | |
7950 | static int | |
7951 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
7952 | { | |
7953 | int rc, i; | |
7954 | LPFC_MBOXQ_t *pmb; | |
7955 | ||
7956 | /* Set up MSI-X multi-message vectors */ | |
7957 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
7958 | phba->msix_entries[i].entry = i; | |
7959 | ||
7960 | /* Configure MSI-X capability structure */ | |
7961 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
7962 | ARRAY_SIZE(phba->msix_entries)); | |
7963 | if (rc) { | |
7964 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7965 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
7966 | goto msi_fail_out; | |
7967 | } | |
7968 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
7969 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7970 | "0477 MSI-X entry[%d]: vector=x%x " | |
7971 | "message=%d\n", i, | |
7972 | phba->msix_entries[i].vector, | |
7973 | phba->msix_entries[i].entry); | |
7974 | /* | |
7975 | * Assign MSI-X vectors to interrupt handlers | |
7976 | */ | |
7977 | ||
7978 | /* vector-0 is associated to slow-path handler */ | |
7979 | rc = request_irq(phba->msix_entries[0].vector, | |
7980 | &lpfc_sli_sp_intr_handler, IRQF_SHARED, | |
7981 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
7982 | if (rc) { | |
7983 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7984 | "0421 MSI-X slow-path request_irq failed " | |
7985 | "(%d)\n", rc); | |
7986 | goto msi_fail_out; | |
7987 | } | |
7988 | ||
7989 | /* vector-1 is associated to fast-path handler */ | |
7990 | rc = request_irq(phba->msix_entries[1].vector, | |
7991 | &lpfc_sli_fp_intr_handler, IRQF_SHARED, | |
7992 | LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
7993 | ||
7994 | if (rc) { | |
7995 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7996 | "0429 MSI-X fast-path request_irq failed " | |
7997 | "(%d)\n", rc); | |
7998 | goto irq_fail_out; | |
7999 | } | |
8000 | ||
8001 | /* | |
8002 | * Configure HBA MSI-X attention conditions to messages | |
8003 | */ | |
8004 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
8005 | ||
8006 | if (!pmb) { | |
8007 | rc = -ENOMEM; | |
8008 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8009 | "0474 Unable to allocate memory for issuing " | |
8010 | "MBOX_CONFIG_MSI command\n"); | |
8011 | goto mem_fail_out; | |
8012 | } | |
8013 | rc = lpfc_config_msi(phba, pmb); | |
8014 | if (rc) | |
8015 | goto mbx_fail_out; | |
8016 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
8017 | if (rc != MBX_SUCCESS) { | |
8018 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
8019 | "0351 Config MSI mailbox command failed, " | |
8020 | "mbxCmd x%x, mbxStatus x%x\n", | |
8021 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
8022 | goto mbx_fail_out; | |
8023 | } | |
8024 | ||
8025 | /* Free memory allocated for mailbox command */ | |
8026 | mempool_free(pmb, phba->mbox_mem_pool); | |
8027 | return rc; | |
8028 | ||
8029 | mbx_fail_out: | |
8030 | /* Free memory allocated for mailbox command */ | |
8031 | mempool_free(pmb, phba->mbox_mem_pool); | |
8032 | ||
8033 | mem_fail_out: | |
8034 | /* free the irq already requested */ | |
8035 | free_irq(phba->msix_entries[1].vector, phba); | |
8036 | ||
8037 | irq_fail_out: | |
8038 | /* free the irq already requested */ | |
8039 | free_irq(phba->msix_entries[0].vector, phba); | |
8040 | ||
8041 | msi_fail_out: | |
8042 | /* Unconfigure MSI-X capability structure */ | |
8043 | pci_disable_msix(phba->pcidev); | |
8044 | return rc; | |
8045 | } | |
8046 | ||
8047 | /** | |
8048 | * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device. | |
8049 | * @phba: pointer to lpfc hba data structure. | |
8050 | * | |
8051 | * This routine is invoked to release the MSI-X vectors and then disable the | |
8052 | * MSI-X interrupt mode to device with SLI-3 interface spec. | |
8053 | **/ | |
8054 | static void | |
8055 | lpfc_sli_disable_msix(struct lpfc_hba *phba) | |
8056 | { | |
8057 | int i; | |
8058 | ||
8059 | /* Free up MSI-X multi-message vectors */ | |
8060 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8061 | free_irq(phba->msix_entries[i].vector, phba); | |
8062 | /* Disable MSI-X */ | |
8063 | pci_disable_msix(phba->pcidev); | |
8064 | ||
8065 | return; | |
8066 | } | |
8067 | ||
8068 | /** | |
8069 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
8070 | * @phba: pointer to lpfc hba data structure. | |
8071 | * | |
8072 | * This routine is invoked to enable the MSI interrupt mode to device with | |
8073 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
8074 | * enable the MSI vector. The device driver is responsible for calling the | |
8075 | * request_irq() to register MSI vector with a interrupt the handler, which | |
8076 | * is done in this function. | |
8077 | * | |
8078 | * Return codes | |
af901ca1 | 8079 | * 0 - successful |
da0436e9 JS |
8080 | * other values - error |
8081 | */ | |
8082 | static int | |
8083 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
8084 | { | |
8085 | int rc; | |
8086 | ||
8087 | rc = pci_enable_msi(phba->pcidev); | |
8088 | if (!rc) | |
8089 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8090 | "0462 PCI enable MSI mode success.\n"); | |
8091 | else { | |
8092 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8093 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
8094 | return rc; | |
8095 | } | |
8096 | ||
8097 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
8098 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8099 | if (rc) { | |
8100 | pci_disable_msi(phba->pcidev); | |
8101 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8102 | "0478 MSI request_irq failed (%d)\n", rc); | |
8103 | } | |
8104 | return rc; | |
8105 | } | |
8106 | ||
8107 | /** | |
8108 | * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device. | |
8109 | * @phba: pointer to lpfc hba data structure. | |
8110 | * | |
8111 | * This routine is invoked to disable the MSI interrupt mode to device with | |
8112 | * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has | |
8113 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
8114 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
8115 | * its vector. | |
8116 | */ | |
8117 | static void | |
8118 | lpfc_sli_disable_msi(struct lpfc_hba *phba) | |
8119 | { | |
8120 | free_irq(phba->pcidev->irq, phba); | |
8121 | pci_disable_msi(phba->pcidev); | |
8122 | return; | |
8123 | } | |
8124 | ||
8125 | /** | |
8126 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
8127 | * @phba: pointer to lpfc hba data structure. | |
8128 | * | |
8129 | * This routine is invoked to enable device interrupt and associate driver's | |
8130 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
8131 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
8132 | * will try to fallback from the configured interrupt mode to an interrupt | |
8133 | * mode which is supported by the platform, kernel, and device in the order | |
8134 | * of: | |
8135 | * MSI-X -> MSI -> IRQ. | |
8136 | * | |
8137 | * Return codes | |
af901ca1 | 8138 | * 0 - successful |
da0436e9 JS |
8139 | * other values - error |
8140 | **/ | |
8141 | static uint32_t | |
8142 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
8143 | { | |
8144 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
8145 | int retval; | |
8146 | ||
8147 | if (cfg_mode == 2) { | |
8148 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
8149 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
8150 | if (!retval) { | |
8151 | /* Now, try to enable MSI-X interrupt mode */ | |
8152 | retval = lpfc_sli_enable_msix(phba); | |
8153 | if (!retval) { | |
8154 | /* Indicate initialization to MSI-X mode */ | |
8155 | phba->intr_type = MSIX; | |
8156 | intr_mode = 2; | |
8157 | } | |
8158 | } | |
8159 | } | |
8160 | ||
8161 | /* Fallback to MSI if MSI-X initialization failed */ | |
8162 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
8163 | retval = lpfc_sli_enable_msi(phba); | |
8164 | if (!retval) { | |
8165 | /* Indicate initialization to MSI mode */ | |
8166 | phba->intr_type = MSI; | |
8167 | intr_mode = 1; | |
8168 | } | |
8169 | } | |
8170 | ||
8171 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
8172 | if (phba->intr_type == NONE) { | |
8173 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
8174 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8175 | if (!retval) { | |
8176 | /* Indicate initialization to INTx mode */ | |
8177 | phba->intr_type = INTx; | |
8178 | intr_mode = 0; | |
8179 | } | |
8180 | } | |
8181 | return intr_mode; | |
8182 | } | |
8183 | ||
8184 | /** | |
8185 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
8186 | * @phba: pointer to lpfc hba data structure. | |
8187 | * | |
8188 | * This routine is invoked to disable device interrupt and disassociate the | |
8189 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
8190 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
8191 | * release the interrupt vector(s) for the message signaled interrupt. | |
8192 | **/ | |
8193 | static void | |
8194 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
8195 | { | |
8196 | /* Disable the currently initialized interrupt mode */ | |
8197 | if (phba->intr_type == MSIX) | |
8198 | lpfc_sli_disable_msix(phba); | |
8199 | else if (phba->intr_type == MSI) | |
8200 | lpfc_sli_disable_msi(phba); | |
8201 | else if (phba->intr_type == INTx) | |
8202 | free_irq(phba->pcidev->irq, phba); | |
8203 | ||
8204 | /* Reset interrupt management states */ | |
8205 | phba->intr_type = NONE; | |
8206 | phba->sli.slistat.sli_intr = 0; | |
8207 | ||
8208 | return; | |
8209 | } | |
8210 | ||
8211 | /** | |
8212 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
8213 | * @phba: pointer to lpfc hba data structure. | |
8214 | * | |
8215 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
8216 | * with SLI-4 interface spec. The kernel function pci_enable_msix() is called | |
8217 | * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked, | |
8218 | * enables either all or nothing, depending on the current availability of | |
8219 | * PCI vector resources. The device driver is responsible for calling the | |
8220 | * individual request_irq() to register each MSI-X vector with a interrupt | |
8221 | * handler, which is done in this function. Note that later when device is | |
8222 | * unloading, the driver should always call free_irq() on all MSI-X vectors | |
8223 | * it has done request_irq() on before calling pci_disable_msix(). Failure | |
8224 | * to do so results in a BUG_ON() and a device will be left with MSI-X | |
8225 | * enabled and leaks its vectors. | |
8226 | * | |
8227 | * Return codes | |
af901ca1 | 8228 | * 0 - successful |
da0436e9 JS |
8229 | * other values - error |
8230 | **/ | |
8231 | static int | |
8232 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
8233 | { | |
75baf696 | 8234 | int vectors, rc, index; |
da0436e9 JS |
8235 | |
8236 | /* Set up MSI-X multi-message vectors */ | |
82c3e9ba | 8237 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) |
da0436e9 JS |
8238 | phba->sli4_hba.msix_entries[index].entry = index; |
8239 | ||
8240 | /* Configure MSI-X capability structure */ | |
82c3e9ba | 8241 | vectors = phba->cfg_fcp_io_channel; |
75baf696 | 8242 | enable_msix_vectors: |
da0436e9 | 8243 | rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries, |
75baf696 JS |
8244 | vectors); |
8245 | if (rc > 1) { | |
8246 | vectors = rc; | |
8247 | goto enable_msix_vectors; | |
8248 | } else if (rc) { | |
da0436e9 JS |
8249 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8250 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
8251 | goto msi_fail_out; | |
8252 | } | |
75baf696 | 8253 | |
da0436e9 | 8254 | /* Log MSI-X vector assignment */ |
75baf696 | 8255 | for (index = 0; index < vectors; index++) |
da0436e9 JS |
8256 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8257 | "0489 MSI-X entry[%d]: vector=x%x " | |
8258 | "message=%d\n", index, | |
8259 | phba->sli4_hba.msix_entries[index].vector, | |
8260 | phba->sli4_hba.msix_entries[index].entry); | |
67d12733 | 8261 | |
da0436e9 JS |
8262 | /* |
8263 | * Assign MSI-X vectors to interrupt handlers | |
8264 | */ | |
67d12733 | 8265 | for (index = 0; index < vectors; index++) { |
4305f183 JS |
8266 | memset(&phba->sli4_hba.handler_name[index], 0, 16); |
8267 | sprintf((char *)&phba->sli4_hba.handler_name[index], | |
8268 | LPFC_DRIVER_HANDLER_NAME"%d", index); | |
da0436e9 | 8269 | |
67d12733 JS |
8270 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; |
8271 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
ba20c853 | 8272 | atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1); |
da0436e9 | 8273 | rc = request_irq(phba->sli4_hba.msix_entries[index].vector, |
67d12733 | 8274 | &lpfc_sli4_hba_intr_handler, IRQF_SHARED, |
4305f183 | 8275 | (char *)&phba->sli4_hba.handler_name[index], |
67d12733 | 8276 | &phba->sli4_hba.fcp_eq_hdl[index]); |
da0436e9 JS |
8277 | if (rc) { |
8278 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8279 | "0486 MSI-X fast-path (%d) " | |
8280 | "request_irq failed (%d)\n", index, rc); | |
8281 | goto cfg_fail_out; | |
8282 | } | |
8283 | } | |
8284 | ||
82c3e9ba JS |
8285 | if (vectors != phba->cfg_fcp_io_channel) { |
8286 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8287 | "3238 Reducing IO channels to match number of " | |
8288 | "MSI-X vectors, requested %d got %d\n", | |
8289 | phba->cfg_fcp_io_channel, vectors); | |
8290 | phba->cfg_fcp_io_channel = vectors; | |
8291 | } | |
da0436e9 JS |
8292 | return rc; |
8293 | ||
8294 | cfg_fail_out: | |
8295 | /* free the irq already requested */ | |
67d12733 JS |
8296 | for (--index; index >= 0; index--) |
8297 | free_irq(phba->sli4_hba.msix_entries[index].vector, | |
8298 | &phba->sli4_hba.fcp_eq_hdl[index]); | |
da0436e9 JS |
8299 | |
8300 | msi_fail_out: | |
8301 | /* Unconfigure MSI-X capability structure */ | |
8302 | pci_disable_msix(phba->pcidev); | |
8303 | return rc; | |
8304 | } | |
8305 | ||
8306 | /** | |
8307 | * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device | |
8308 | * @phba: pointer to lpfc hba data structure. | |
8309 | * | |
8310 | * This routine is invoked to release the MSI-X vectors and then disable the | |
8311 | * MSI-X interrupt mode to device with SLI-4 interface spec. | |
8312 | **/ | |
8313 | static void | |
8314 | lpfc_sli4_disable_msix(struct lpfc_hba *phba) | |
8315 | { | |
8316 | int index; | |
8317 | ||
8318 | /* Free up MSI-X multi-message vectors */ | |
82c3e9ba | 8319 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) |
da0436e9 | 8320 | free_irq(phba->sli4_hba.msix_entries[index].vector, |
67d12733 | 8321 | &phba->sli4_hba.fcp_eq_hdl[index]); |
75baf696 | 8322 | |
da0436e9 JS |
8323 | /* Disable MSI-X */ |
8324 | pci_disable_msix(phba->pcidev); | |
8325 | ||
8326 | return; | |
8327 | } | |
8328 | ||
8329 | /** | |
8330 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
8331 | * @phba: pointer to lpfc hba data structure. | |
8332 | * | |
8333 | * This routine is invoked to enable the MSI interrupt mode to device with | |
8334 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
8335 | * to enable the MSI vector. The device driver is responsible for calling | |
8336 | * the request_irq() to register MSI vector with a interrupt the handler, | |
8337 | * which is done in this function. | |
8338 | * | |
8339 | * Return codes | |
af901ca1 | 8340 | * 0 - successful |
da0436e9 JS |
8341 | * other values - error |
8342 | **/ | |
8343 | static int | |
8344 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
8345 | { | |
8346 | int rc, index; | |
8347 | ||
8348 | rc = pci_enable_msi(phba->pcidev); | |
8349 | if (!rc) | |
8350 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8351 | "0487 PCI enable MSI mode success.\n"); | |
8352 | else { | |
8353 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8354 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
8355 | return rc; | |
8356 | } | |
8357 | ||
8358 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
8359 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8360 | if (rc) { | |
8361 | pci_disable_msi(phba->pcidev); | |
8362 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8363 | "0490 MSI request_irq failed (%d)\n", rc); | |
75baf696 | 8364 | return rc; |
da0436e9 JS |
8365 | } |
8366 | ||
67d12733 | 8367 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) { |
da0436e9 JS |
8368 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; |
8369 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
8370 | } | |
8371 | ||
75baf696 | 8372 | return 0; |
da0436e9 JS |
8373 | } |
8374 | ||
8375 | /** | |
8376 | * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device | |
8377 | * @phba: pointer to lpfc hba data structure. | |
8378 | * | |
8379 | * This routine is invoked to disable the MSI interrupt mode to device with | |
8380 | * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has | |
8381 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
8382 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
8383 | * its vector. | |
8384 | **/ | |
8385 | static void | |
8386 | lpfc_sli4_disable_msi(struct lpfc_hba *phba) | |
8387 | { | |
8388 | free_irq(phba->pcidev->irq, phba); | |
8389 | pci_disable_msi(phba->pcidev); | |
8390 | return; | |
8391 | } | |
8392 | ||
8393 | /** | |
8394 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
8395 | * @phba: pointer to lpfc hba data structure. | |
8396 | * | |
8397 | * This routine is invoked to enable device interrupt and associate driver's | |
8398 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
8399 | * interface spec. Depends on the interrupt mode configured to the driver, | |
8400 | * the driver will try to fallback from the configured interrupt mode to an | |
8401 | * interrupt mode which is supported by the platform, kernel, and device in | |
8402 | * the order of: | |
8403 | * MSI-X -> MSI -> IRQ. | |
8404 | * | |
8405 | * Return codes | |
af901ca1 | 8406 | * 0 - successful |
da0436e9 JS |
8407 | * other values - error |
8408 | **/ | |
8409 | static uint32_t | |
8410 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
8411 | { | |
8412 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
8413 | int retval, index; | |
8414 | ||
8415 | if (cfg_mode == 2) { | |
8416 | /* Preparation before conf_msi mbox cmd */ | |
8417 | retval = 0; | |
8418 | if (!retval) { | |
8419 | /* Now, try to enable MSI-X interrupt mode */ | |
8420 | retval = lpfc_sli4_enable_msix(phba); | |
8421 | if (!retval) { | |
8422 | /* Indicate initialization to MSI-X mode */ | |
8423 | phba->intr_type = MSIX; | |
8424 | intr_mode = 2; | |
8425 | } | |
8426 | } | |
8427 | } | |
8428 | ||
8429 | /* Fallback to MSI if MSI-X initialization failed */ | |
8430 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
8431 | retval = lpfc_sli4_enable_msi(phba); | |
8432 | if (!retval) { | |
8433 | /* Indicate initialization to MSI mode */ | |
8434 | phba->intr_type = MSI; | |
8435 | intr_mode = 1; | |
8436 | } | |
8437 | } | |
8438 | ||
8439 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
8440 | if (phba->intr_type == NONE) { | |
8441 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
8442 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8443 | if (!retval) { | |
8444 | /* Indicate initialization to INTx mode */ | |
8445 | phba->intr_type = INTx; | |
8446 | intr_mode = 0; | |
67d12733 | 8447 | for (index = 0; index < phba->cfg_fcp_io_channel; |
da0436e9 JS |
8448 | index++) { |
8449 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
8450 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
ba20c853 JS |
8451 | atomic_set(&phba->sli4_hba.fcp_eq_hdl[index]. |
8452 | fcp_eq_in_use, 1); | |
da0436e9 JS |
8453 | } |
8454 | } | |
8455 | } | |
8456 | return intr_mode; | |
8457 | } | |
8458 | ||
8459 | /** | |
8460 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
8461 | * @phba: pointer to lpfc hba data structure. | |
8462 | * | |
8463 | * This routine is invoked to disable device interrupt and disassociate | |
8464 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
8465 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
8466 | * will release the interrupt vector(s) for the message signaled interrupt. | |
8467 | **/ | |
8468 | static void | |
8469 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
8470 | { | |
8471 | /* Disable the currently initialized interrupt mode */ | |
8472 | if (phba->intr_type == MSIX) | |
8473 | lpfc_sli4_disable_msix(phba); | |
8474 | else if (phba->intr_type == MSI) | |
8475 | lpfc_sli4_disable_msi(phba); | |
8476 | else if (phba->intr_type == INTx) | |
8477 | free_irq(phba->pcidev->irq, phba); | |
8478 | ||
8479 | /* Reset interrupt management states */ | |
8480 | phba->intr_type = NONE; | |
8481 | phba->sli.slistat.sli_intr = 0; | |
8482 | ||
8483 | return; | |
8484 | } | |
8485 | ||
8486 | /** | |
8487 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
8488 | * @phba: pointer to lpfc hba data structure. | |
8489 | * | |
8490 | * This routine is invoked to unset the HBA device initialization steps to | |
8491 | * a device with SLI-3 interface spec. | |
8492 | **/ | |
8493 | static void | |
8494 | lpfc_unset_hba(struct lpfc_hba *phba) | |
8495 | { | |
8496 | struct lpfc_vport *vport = phba->pport; | |
8497 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
8498 | ||
8499 | spin_lock_irq(shost->host_lock); | |
8500 | vport->load_flag |= FC_UNLOADING; | |
8501 | spin_unlock_irq(shost->host_lock); | |
8502 | ||
72859909 JS |
8503 | kfree(phba->vpi_bmask); |
8504 | kfree(phba->vpi_ids); | |
8505 | ||
da0436e9 JS |
8506 | lpfc_stop_hba_timers(phba); |
8507 | ||
8508 | phba->pport->work_port_events = 0; | |
8509 | ||
8510 | lpfc_sli_hba_down(phba); | |
8511 | ||
8512 | lpfc_sli_brdrestart(phba); | |
8513 | ||
8514 | lpfc_sli_disable_intr(phba); | |
8515 | ||
8516 | return; | |
8517 | } | |
8518 | ||
5af5eee7 JS |
8519 | /** |
8520 | * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy | |
8521 | * @phba: Pointer to HBA context object. | |
8522 | * | |
8523 | * This function is called in the SLI4 code path to wait for completion | |
8524 | * of device's XRIs exchange busy. It will check the XRI exchange busy | |
8525 | * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after | |
8526 | * that, it will check the XRI exchange busy on outstanding FCP and ELS | |
8527 | * I/Os every 30 seconds, log error message, and wait forever. Only when | |
8528 | * all XRI exchange busy complete, the driver unload shall proceed with | |
8529 | * invoking the function reset ioctl mailbox command to the CNA and the | |
8530 | * the rest of the driver unload resource release. | |
8531 | **/ | |
8532 | static void | |
8533 | lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) | |
8534 | { | |
8535 | int wait_time = 0; | |
8536 | int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
8537 | int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
8538 | ||
8539 | while (!fcp_xri_cmpl || !els_xri_cmpl) { | |
8540 | if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { | |
8541 | if (!fcp_xri_cmpl) | |
8542 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8543 | "2877 FCP XRI exchange busy " | |
8544 | "wait time: %d seconds.\n", | |
8545 | wait_time/1000); | |
8546 | if (!els_xri_cmpl) | |
8547 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8548 | "2878 ELS XRI exchange busy " | |
8549 | "wait time: %d seconds.\n", | |
8550 | wait_time/1000); | |
8551 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); | |
8552 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; | |
8553 | } else { | |
8554 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); | |
8555 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; | |
8556 | } | |
8557 | fcp_xri_cmpl = | |
8558 | list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
8559 | els_xri_cmpl = | |
8560 | list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
8561 | } | |
8562 | } | |
8563 | ||
da0436e9 JS |
8564 | /** |
8565 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
8566 | * @phba: Pointer to HBA context object. | |
8567 | * | |
8568 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
8569 | * function. The caller is not required to hold any lock. This routine | |
8570 | * issues PCI function reset mailbox command to reset the FCoE function. | |
8571 | * At the end of the function, it calls lpfc_hba_down_post function to | |
8572 | * free any pending commands. | |
8573 | **/ | |
8574 | static void | |
8575 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
8576 | { | |
8577 | int wait_cnt = 0; | |
8578 | LPFC_MBOXQ_t *mboxq; | |
912e3acd | 8579 | struct pci_dev *pdev = phba->pcidev; |
da0436e9 JS |
8580 | |
8581 | lpfc_stop_hba_timers(phba); | |
8582 | phba->sli4_hba.intr_enable = 0; | |
8583 | ||
8584 | /* | |
8585 | * Gracefully wait out the potential current outstanding asynchronous | |
8586 | * mailbox command. | |
8587 | */ | |
8588 | ||
8589 | /* First, block any pending async mailbox command from posted */ | |
8590 | spin_lock_irq(&phba->hbalock); | |
8591 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
8592 | spin_unlock_irq(&phba->hbalock); | |
8593 | /* Now, trying to wait it out if we can */ | |
8594 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8595 | msleep(10); | |
8596 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
8597 | break; | |
8598 | } | |
8599 | /* Forcefully release the outstanding mailbox command if timed out */ | |
8600 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8601 | spin_lock_irq(&phba->hbalock); | |
8602 | mboxq = phba->sli.mbox_active; | |
8603 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8604 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
8605 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8606 | phba->sli.mbox_active = NULL; | |
8607 | spin_unlock_irq(&phba->hbalock); | |
8608 | } | |
8609 | ||
5af5eee7 JS |
8610 | /* Abort all iocbs associated with the hba */ |
8611 | lpfc_sli_hba_iocb_abort(phba); | |
8612 | ||
8613 | /* Wait for completion of device XRI exchange busy */ | |
8614 | lpfc_sli4_xri_exchange_busy_wait(phba); | |
8615 | ||
da0436e9 JS |
8616 | /* Disable PCI subsystem interrupt */ |
8617 | lpfc_sli4_disable_intr(phba); | |
8618 | ||
912e3acd JS |
8619 | /* Disable SR-IOV if enabled */ |
8620 | if (phba->cfg_sriov_nr_virtfn) | |
8621 | pci_disable_sriov(pdev); | |
8622 | ||
da0436e9 JS |
8623 | /* Stop kthread signal shall trigger work_done one more time */ |
8624 | kthread_stop(phba->worker_thread); | |
8625 | ||
3677a3a7 JS |
8626 | /* Reset SLI4 HBA FCoE function */ |
8627 | lpfc_pci_function_reset(phba); | |
5350d872 | 8628 | lpfc_sli4_queue_destroy(phba); |
3677a3a7 | 8629 | |
da0436e9 JS |
8630 | /* Stop the SLI4 device port */ |
8631 | phba->pport->work_port_events = 0; | |
8632 | } | |
8633 | ||
28baac74 JS |
8634 | /** |
8635 | * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. | |
8636 | * @phba: Pointer to HBA context object. | |
8637 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
8638 | * | |
8639 | * This function is called in the SLI4 code path to read the port's | |
8640 | * sli4 capabilities. | |
8641 | * | |
8642 | * This function may be be called from any context that can block-wait | |
8643 | * for the completion. The expectation is that this routine is called | |
8644 | * typically from probe_one or from the online routine. | |
8645 | **/ | |
8646 | int | |
8647 | lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8648 | { | |
8649 | int rc; | |
8650 | struct lpfc_mqe *mqe; | |
8651 | struct lpfc_pc_sli4_params *sli4_params; | |
8652 | uint32_t mbox_tmo; | |
8653 | ||
8654 | rc = 0; | |
8655 | mqe = &mboxq->u.mqe; | |
8656 | ||
8657 | /* Read the port's SLI4 Parameters port capabilities */ | |
fedd3b7b | 8658 | lpfc_pc_sli4_params(mboxq); |
28baac74 JS |
8659 | if (!phba->sli4_hba.intr_enable) |
8660 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
8661 | else { | |
a183a15f | 8662 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
28baac74 JS |
8663 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
8664 | } | |
8665 | ||
8666 | if (unlikely(rc)) | |
8667 | return 1; | |
8668 | ||
8669 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
8670 | sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); | |
8671 | sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); | |
8672 | sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); | |
8673 | sli4_params->featurelevel_1 = bf_get(featurelevel_1, | |
8674 | &mqe->un.sli4_params); | |
8675 | sli4_params->featurelevel_2 = bf_get(featurelevel_2, | |
8676 | &mqe->un.sli4_params); | |
8677 | sli4_params->proto_types = mqe->un.sli4_params.word3; | |
8678 | sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; | |
8679 | sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); | |
8680 | sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); | |
8681 | sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); | |
8682 | sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); | |
8683 | sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); | |
8684 | sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); | |
8685 | sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); | |
8686 | sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); | |
8687 | sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); | |
8688 | sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); | |
8689 | sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); | |
8690 | sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); | |
8691 | sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); | |
8692 | sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); | |
8693 | sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); | |
8694 | sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); | |
8695 | sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); | |
8696 | sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); | |
8697 | sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); | |
0558056c JS |
8698 | |
8699 | /* Make sure that sge_supp_len can be handled by the driver */ | |
8700 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
8701 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
8702 | ||
28baac74 JS |
8703 | return rc; |
8704 | } | |
8705 | ||
fedd3b7b JS |
8706 | /** |
8707 | * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. | |
8708 | * @phba: Pointer to HBA context object. | |
8709 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
8710 | * | |
8711 | * This function is called in the SLI4 code path to read the port's | |
8712 | * sli4 capabilities. | |
8713 | * | |
8714 | * This function may be be called from any context that can block-wait | |
8715 | * for the completion. The expectation is that this routine is called | |
8716 | * typically from probe_one or from the online routine. | |
8717 | **/ | |
8718 | int | |
8719 | lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8720 | { | |
8721 | int rc; | |
8722 | struct lpfc_mqe *mqe = &mboxq->u.mqe; | |
8723 | struct lpfc_pc_sli4_params *sli4_params; | |
a183a15f | 8724 | uint32_t mbox_tmo; |
fedd3b7b JS |
8725 | int length; |
8726 | struct lpfc_sli4_parameters *mbx_sli4_parameters; | |
8727 | ||
6d368e53 JS |
8728 | /* |
8729 | * By default, the driver assumes the SLI4 port requires RPI | |
8730 | * header postings. The SLI4_PARAM response will correct this | |
8731 | * assumption. | |
8732 | */ | |
8733 | phba->sli4_hba.rpi_hdrs_in_use = 1; | |
8734 | ||
fedd3b7b JS |
8735 | /* Read the port's SLI4 Config Parameters */ |
8736 | length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - | |
8737 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
8738 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
8739 | LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, | |
8740 | length, LPFC_SLI4_MBX_EMBED); | |
8741 | if (!phba->sli4_hba.intr_enable) | |
8742 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
a183a15f JS |
8743 | else { |
8744 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); | |
8745 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
8746 | } | |
fedd3b7b JS |
8747 | if (unlikely(rc)) |
8748 | return rc; | |
8749 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
8750 | mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; | |
8751 | sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); | |
8752 | sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); | |
8753 | sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); | |
8754 | sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, | |
8755 | mbx_sli4_parameters); | |
8756 | sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, | |
8757 | mbx_sli4_parameters); | |
8758 | if (bf_get(cfg_phwq, mbx_sli4_parameters)) | |
8759 | phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; | |
8760 | else | |
8761 | phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; | |
8762 | sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; | |
8763 | sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); | |
8764 | sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); | |
8765 | sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); | |
8766 | sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); | |
8767 | sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); | |
8768 | sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, | |
8769 | mbx_sli4_parameters); | |
8770 | sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, | |
8771 | mbx_sli4_parameters); | |
6d368e53 JS |
8772 | phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); |
8773 | phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); | |
0558056c JS |
8774 | |
8775 | /* Make sure that sge_supp_len can be handled by the driver */ | |
8776 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
8777 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
8778 | ||
fedd3b7b JS |
8779 | return 0; |
8780 | } | |
8781 | ||
da0436e9 JS |
8782 | /** |
8783 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
8784 | * @pdev: pointer to PCI device | |
8785 | * @pid: pointer to PCI device identifier | |
8786 | * | |
8787 | * This routine is to be called to attach a device with SLI-3 interface spec | |
8788 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
8789 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
8790 | * information of the device and driver to see if the driver state that it can | |
8791 | * support this kind of device. If the match is successful, the driver core | |
8792 | * invokes this routine. If this routine determines it can claim the HBA, it | |
8793 | * does all the initialization that it needs to do to handle the HBA properly. | |
8794 | * | |
8795 | * Return code | |
8796 | * 0 - driver can claim the device | |
8797 | * negative value - driver can not claim the device | |
8798 | **/ | |
6f039790 | 8799 | static int |
da0436e9 JS |
8800 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) |
8801 | { | |
8802 | struct lpfc_hba *phba; | |
8803 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 8804 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
8805 | int error; |
8806 | uint32_t cfg_mode, intr_mode; | |
8807 | ||
8808 | /* Allocate memory for HBA structure */ | |
8809 | phba = lpfc_hba_alloc(pdev); | |
8810 | if (!phba) | |
8811 | return -ENOMEM; | |
8812 | ||
8813 | /* Perform generic PCI device enabling operation */ | |
8814 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 8815 | if (error) |
da0436e9 | 8816 | goto out_free_phba; |
da0436e9 JS |
8817 | |
8818 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
8819 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
8820 | if (error) | |
8821 | goto out_disable_pci_dev; | |
8822 | ||
8823 | /* Set up SLI-3 specific device PCI memory space */ | |
8824 | error = lpfc_sli_pci_mem_setup(phba); | |
8825 | if (error) { | |
8826 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8827 | "1402 Failed to set up pci memory space.\n"); | |
8828 | goto out_disable_pci_dev; | |
8829 | } | |
8830 | ||
8831 | /* Set up phase-1 common device driver resources */ | |
8832 | error = lpfc_setup_driver_resource_phase1(phba); | |
8833 | if (error) { | |
8834 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8835 | "1403 Failed to set up driver resource.\n"); | |
8836 | goto out_unset_pci_mem_s3; | |
8837 | } | |
8838 | ||
8839 | /* Set up SLI-3 specific device driver resources */ | |
8840 | error = lpfc_sli_driver_resource_setup(phba); | |
8841 | if (error) { | |
8842 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8843 | "1404 Failed to set up driver resource.\n"); | |
8844 | goto out_unset_pci_mem_s3; | |
8845 | } | |
8846 | ||
8847 | /* Initialize and populate the iocb list per host */ | |
8848 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); | |
8849 | if (error) { | |
8850 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8851 | "1405 Failed to initialize iocb list.\n"); | |
8852 | goto out_unset_driver_resource_s3; | |
8853 | } | |
8854 | ||
8855 | /* Set up common device driver resources */ | |
8856 | error = lpfc_setup_driver_resource_phase2(phba); | |
8857 | if (error) { | |
8858 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8859 | "1406 Failed to set up driver resource.\n"); | |
8860 | goto out_free_iocb_list; | |
8861 | } | |
8862 | ||
079b5c91 JS |
8863 | /* Get the default values for Model Name and Description */ |
8864 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
8865 | ||
da0436e9 JS |
8866 | /* Create SCSI host to the physical port */ |
8867 | error = lpfc_create_shost(phba); | |
8868 | if (error) { | |
8869 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8870 | "1407 Failed to create scsi host.\n"); | |
8871 | goto out_unset_driver_resource; | |
8872 | } | |
8873 | ||
8874 | /* Configure sysfs attributes */ | |
8875 | vport = phba->pport; | |
8876 | error = lpfc_alloc_sysfs_attr(vport); | |
8877 | if (error) { | |
8878 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8879 | "1476 Failed to allocate sysfs attr\n"); | |
8880 | goto out_destroy_shost; | |
8881 | } | |
8882 | ||
6669f9bb | 8883 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
8884 | /* Now, trying to enable interrupt and bring up the device */ |
8885 | cfg_mode = phba->cfg_use_msi; | |
8886 | while (true) { | |
8887 | /* Put device to a known state before enabling interrupt */ | |
8888 | lpfc_stop_port(phba); | |
8889 | /* Configure and enable interrupt */ | |
8890 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
8891 | if (intr_mode == LPFC_INTR_ERROR) { | |
8892 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8893 | "0431 Failed to enable interrupt.\n"); | |
8894 | error = -ENODEV; | |
8895 | goto out_free_sysfs_attr; | |
8896 | } | |
8897 | /* SLI-3 HBA setup */ | |
8898 | if (lpfc_sli_hba_setup(phba)) { | |
8899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8900 | "1477 Failed to set up hba\n"); | |
8901 | error = -ENODEV; | |
8902 | goto out_remove_device; | |
8903 | } | |
8904 | ||
8905 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
8906 | msleep(50); | |
8907 | /* Check active interrupts on message signaled interrupts */ | |
8908 | if (intr_mode == 0 || | |
8909 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
8910 | /* Log the current active interrupt mode */ | |
8911 | phba->intr_mode = intr_mode; | |
8912 | lpfc_log_intr_mode(phba, intr_mode); | |
8913 | break; | |
8914 | } else { | |
8915 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8916 | "0447 Configure interrupt mode (%d) " | |
8917 | "failed active interrupt test.\n", | |
8918 | intr_mode); | |
8919 | /* Disable the current interrupt mode */ | |
8920 | lpfc_sli_disable_intr(phba); | |
8921 | /* Try next level of interrupt mode */ | |
8922 | cfg_mode = --intr_mode; | |
8923 | } | |
8924 | } | |
8925 | ||
8926 | /* Perform post initialization setup */ | |
8927 | lpfc_post_init_setup(phba); | |
8928 | ||
8929 | /* Check if there are static vports to be created. */ | |
8930 | lpfc_create_static_vport(phba); | |
8931 | ||
8932 | return 0; | |
8933 | ||
8934 | out_remove_device: | |
8935 | lpfc_unset_hba(phba); | |
8936 | out_free_sysfs_attr: | |
8937 | lpfc_free_sysfs_attr(vport); | |
8938 | out_destroy_shost: | |
8939 | lpfc_destroy_shost(phba); | |
8940 | out_unset_driver_resource: | |
8941 | lpfc_unset_driver_resource_phase2(phba); | |
8942 | out_free_iocb_list: | |
8943 | lpfc_free_iocb_list(phba); | |
8944 | out_unset_driver_resource_s3: | |
8945 | lpfc_sli_driver_resource_unset(phba); | |
8946 | out_unset_pci_mem_s3: | |
8947 | lpfc_sli_pci_mem_unset(phba); | |
8948 | out_disable_pci_dev: | |
8949 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
8950 | if (shost) |
8951 | scsi_host_put(shost); | |
da0436e9 JS |
8952 | out_free_phba: |
8953 | lpfc_hba_free(phba); | |
8954 | return error; | |
8955 | } | |
8956 | ||
8957 | /** | |
8958 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
8959 | * @pdev: pointer to PCI device | |
8960 | * | |
8961 | * This routine is to be called to disattach a device with SLI-3 interface | |
8962 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
8963 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
8964 | * device to be removed from the PCI subsystem properly. | |
8965 | **/ | |
6f039790 | 8966 | static void |
da0436e9 JS |
8967 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) |
8968 | { | |
8969 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8970 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
8971 | struct lpfc_vport **vports; | |
8972 | struct lpfc_hba *phba = vport->phba; | |
8973 | int i; | |
8974 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
8975 | ||
8976 | spin_lock_irq(&phba->hbalock); | |
8977 | vport->load_flag |= FC_UNLOADING; | |
8978 | spin_unlock_irq(&phba->hbalock); | |
8979 | ||
8980 | lpfc_free_sysfs_attr(vport); | |
8981 | ||
8982 | /* Release all the vports against this physical port */ | |
8983 | vports = lpfc_create_vport_work_array(phba); | |
8984 | if (vports != NULL) | |
587a37f6 JS |
8985 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
8986 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
8987 | continue; | |
da0436e9 | 8988 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 8989 | } |
da0436e9 JS |
8990 | lpfc_destroy_vport_work_array(phba, vports); |
8991 | ||
8992 | /* Remove FC host and then SCSI host with the physical port */ | |
8993 | fc_remove_host(shost); | |
8994 | scsi_remove_host(shost); | |
8995 | lpfc_cleanup(vport); | |
8996 | ||
8997 | /* | |
8998 | * Bring down the SLI Layer. This step disable all interrupts, | |
8999 | * clears the rings, discards all mailbox commands, and resets | |
9000 | * the HBA. | |
9001 | */ | |
9002 | ||
48e34d0f | 9003 | /* HBA interrupt will be disabled after this call */ |
da0436e9 JS |
9004 | lpfc_sli_hba_down(phba); |
9005 | /* Stop kthread signal shall trigger work_done one more time */ | |
9006 | kthread_stop(phba->worker_thread); | |
9007 | /* Final cleanup of txcmplq and reset the HBA */ | |
9008 | lpfc_sli_brdrestart(phba); | |
9009 | ||
72859909 JS |
9010 | kfree(phba->vpi_bmask); |
9011 | kfree(phba->vpi_ids); | |
9012 | ||
da0436e9 JS |
9013 | lpfc_stop_hba_timers(phba); |
9014 | spin_lock_irq(&phba->hbalock); | |
9015 | list_del_init(&vport->listentry); | |
9016 | spin_unlock_irq(&phba->hbalock); | |
9017 | ||
9018 | lpfc_debugfs_terminate(vport); | |
9019 | ||
912e3acd JS |
9020 | /* Disable SR-IOV if enabled */ |
9021 | if (phba->cfg_sriov_nr_virtfn) | |
9022 | pci_disable_sriov(pdev); | |
9023 | ||
da0436e9 JS |
9024 | /* Disable interrupt */ |
9025 | lpfc_sli_disable_intr(phba); | |
9026 | ||
9027 | pci_set_drvdata(pdev, NULL); | |
9028 | scsi_host_put(shost); | |
9029 | ||
9030 | /* | |
9031 | * Call scsi_free before mem_free since scsi bufs are released to their | |
9032 | * corresponding pools here. | |
9033 | */ | |
9034 | lpfc_scsi_free(phba); | |
9035 | lpfc_mem_free_all(phba); | |
9036 | ||
9037 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
9038 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
9039 | ||
9040 | /* Free resources associated with SLI2 interface */ | |
9041 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
9042 | phba->slim2p.virt, phba->slim2p.phys); | |
9043 | ||
9044 | /* unmap adapter SLIM and Control Registers */ | |
9045 | iounmap(phba->ctrl_regs_memmap_p); | |
9046 | iounmap(phba->slim_memmap_p); | |
9047 | ||
9048 | lpfc_hba_free(phba); | |
9049 | ||
9050 | pci_release_selected_regions(pdev, bars); | |
9051 | pci_disable_device(pdev); | |
9052 | } | |
9053 | ||
9054 | /** | |
9055 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
9056 | * @pdev: pointer to PCI device | |
9057 | * @msg: power management message | |
9058 | * | |
9059 | * This routine is to be called from the kernel's PCI subsystem to support | |
9060 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
9061 | * PM invokes this method, it quiesces the device by stopping the driver's | |
9062 | * worker thread for the device, turning off device's interrupt and DMA, | |
9063 | * and bring the device offline. Note that as the driver implements the | |
9064 | * minimum PM requirements to a power-aware driver's PM support for the | |
9065 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
9066 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
9067 | * fully reinitialize its device during resume() method call, the driver will | |
9068 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
9069 | * according to the @msg provided by the PM. | |
9070 | * | |
9071 | * Return code | |
9072 | * 0 - driver suspended the device | |
9073 | * Error otherwise | |
9074 | **/ | |
9075 | static int | |
9076 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
9077 | { | |
9078 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9079 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9080 | ||
9081 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9082 | "0473 PCI device Power Management suspend.\n"); | |
9083 | ||
9084 | /* Bring down the device */ | |
618a5230 | 9085 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
9086 | lpfc_offline(phba); |
9087 | kthread_stop(phba->worker_thread); | |
9088 | ||
9089 | /* Disable interrupt from device */ | |
9090 | lpfc_sli_disable_intr(phba); | |
9091 | ||
9092 | /* Save device state to PCI config space */ | |
9093 | pci_save_state(pdev); | |
9094 | pci_set_power_state(pdev, PCI_D3hot); | |
9095 | ||
9096 | return 0; | |
9097 | } | |
9098 | ||
9099 | /** | |
9100 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
9101 | * @pdev: pointer to PCI device | |
9102 | * | |
9103 | * This routine is to be called from the kernel's PCI subsystem to support | |
9104 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
9105 | * invokes this method, it restores the device's PCI config space state and | |
9106 | * fully reinitializes the device and brings it online. Note that as the | |
9107 | * driver implements the minimum PM requirements to a power-aware driver's | |
9108 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
9109 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
9110 | * driver will fully reinitialize its device during resume() method call, | |
9111 | * the device will be set to PCI_D0 directly in PCI config space before | |
9112 | * restoring the state. | |
9113 | * | |
9114 | * Return code | |
9115 | * 0 - driver suspended the device | |
9116 | * Error otherwise | |
9117 | **/ | |
9118 | static int | |
9119 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
9120 | { | |
9121 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9122 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9123 | uint32_t intr_mode; | |
9124 | int error; | |
9125 | ||
9126 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9127 | "0452 PCI device Power Management resume.\n"); | |
9128 | ||
9129 | /* Restore device state from PCI config space */ | |
9130 | pci_set_power_state(pdev, PCI_D0); | |
9131 | pci_restore_state(pdev); | |
0d878419 | 9132 | |
1dfb5a47 JS |
9133 | /* |
9134 | * As the new kernel behavior of pci_restore_state() API call clears | |
9135 | * device saved_state flag, need to save the restored state again. | |
9136 | */ | |
9137 | pci_save_state(pdev); | |
9138 | ||
da0436e9 JS |
9139 | if (pdev->is_busmaster) |
9140 | pci_set_master(pdev); | |
9141 | ||
9142 | /* Startup the kernel thread for this host adapter. */ | |
9143 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
9144 | "lpfc_worker_%d", phba->brd_no); | |
9145 | if (IS_ERR(phba->worker_thread)) { | |
9146 | error = PTR_ERR(phba->worker_thread); | |
9147 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9148 | "0434 PM resume failed to start worker " | |
9149 | "thread: error=x%x.\n", error); | |
9150 | return error; | |
9151 | } | |
9152 | ||
9153 | /* Configure and enable interrupt */ | |
9154 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
9155 | if (intr_mode == LPFC_INTR_ERROR) { | |
9156 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9157 | "0430 PM resume Failed to enable interrupt\n"); | |
9158 | return -EIO; | |
9159 | } else | |
9160 | phba->intr_mode = intr_mode; | |
9161 | ||
9162 | /* Restart HBA and bring it online */ | |
9163 | lpfc_sli_brdrestart(phba); | |
9164 | lpfc_online(phba); | |
9165 | ||
9166 | /* Log the current active interrupt mode */ | |
9167 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9168 | ||
9169 | return 0; | |
9170 | } | |
9171 | ||
891478a2 JS |
9172 | /** |
9173 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
9174 | * @phba: pointer to lpfc hba data structure. | |
9175 | * | |
9176 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
e2af0d2e | 9177 | * aborts all the outstanding SCSI I/Os to the pci device. |
891478a2 JS |
9178 | **/ |
9179 | static void | |
9180 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
9181 | { | |
e2af0d2e JS |
9182 | struct lpfc_sli *psli = &phba->sli; |
9183 | struct lpfc_sli_ring *pring; | |
9184 | ||
891478a2 JS |
9185 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9186 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
e2af0d2e JS |
9187 | |
9188 | /* | |
9189 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
9190 | * and let the SCSI mid-layer to retry them to recover. | |
9191 | */ | |
9192 | pring = &psli->ring[psli->fcp_ring]; | |
9193 | lpfc_sli_abort_iocb_ring(phba, pring); | |
891478a2 JS |
9194 | } |
9195 | ||
0d878419 JS |
9196 | /** |
9197 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
9198 | * @phba: pointer to lpfc hba data structure. | |
9199 | * | |
9200 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
9201 | * disables the device interrupt and pci device, and aborts the internal FCP | |
9202 | * pending I/Os. | |
9203 | **/ | |
9204 | static void | |
9205 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
9206 | { | |
0d878419 | 9207 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
891478a2 | 9208 | "2710 PCI channel disable preparing for reset\n"); |
e2af0d2e | 9209 | |
75baf696 | 9210 | /* Block any management I/Os to the device */ |
618a5230 | 9211 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
75baf696 | 9212 | |
e2af0d2e JS |
9213 | /* Block all SCSI devices' I/Os on the host */ |
9214 | lpfc_scsi_dev_block(phba); | |
9215 | ||
9216 | /* stop all timers */ | |
9217 | lpfc_stop_hba_timers(phba); | |
9218 | ||
0d878419 JS |
9219 | /* Disable interrupt and pci device */ |
9220 | lpfc_sli_disable_intr(phba); | |
9221 | pci_disable_device(phba->pcidev); | |
75baf696 | 9222 | |
e2af0d2e JS |
9223 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
9224 | lpfc_sli_flush_fcp_rings(phba); | |
0d878419 JS |
9225 | } |
9226 | ||
9227 | /** | |
9228 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
9229 | * @phba: pointer to lpfc hba data structure. | |
9230 | * | |
9231 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
9232 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
9233 | * pending I/Os. | |
9234 | **/ | |
9235 | static void | |
75baf696 | 9236 | lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) |
0d878419 JS |
9237 | { |
9238 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 9239 | "2711 PCI channel permanent disable for failure\n"); |
e2af0d2e JS |
9240 | /* Block all SCSI devices' I/Os on the host */ |
9241 | lpfc_scsi_dev_block(phba); | |
9242 | ||
9243 | /* stop all timers */ | |
9244 | lpfc_stop_hba_timers(phba); | |
9245 | ||
0d878419 JS |
9246 | /* Clean up all driver's outstanding SCSI I/Os */ |
9247 | lpfc_sli_flush_fcp_rings(phba); | |
9248 | } | |
9249 | ||
da0436e9 JS |
9250 | /** |
9251 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
9252 | * @pdev: pointer to PCI device. | |
9253 | * @state: the current PCI connection state. | |
9254 | * | |
9255 | * This routine is called from the PCI subsystem for I/O error handling to | |
9256 | * device with SLI-3 interface spec. This function is called by the PCI | |
9257 | * subsystem after a PCI bus error affecting this device has been detected. | |
9258 | * When this function is invoked, it will need to stop all the I/Os and | |
9259 | * interrupt(s) to the device. Once that is done, it will return | |
9260 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
9261 | * as desired. | |
9262 | * | |
9263 | * Return codes | |
0d878419 | 9264 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
9265 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
9266 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9267 | **/ | |
9268 | static pci_ers_result_t | |
9269 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
9270 | { | |
9271 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9272 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 9273 | |
0d878419 JS |
9274 | switch (state) { |
9275 | case pci_channel_io_normal: | |
891478a2 JS |
9276 | /* Non-fatal error, prepare for recovery */ |
9277 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
9278 | return PCI_ERS_RESULT_CAN_RECOVER; |
9279 | case pci_channel_io_frozen: | |
9280 | /* Fatal error, prepare for slot reset */ | |
9281 | lpfc_sli_prep_dev_for_reset(phba); | |
9282 | return PCI_ERS_RESULT_NEED_RESET; | |
9283 | case pci_channel_io_perm_failure: | |
9284 | /* Permanent failure, prepare for device down */ | |
75baf696 | 9285 | lpfc_sli_prep_dev_for_perm_failure(phba); |
da0436e9 | 9286 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
9287 | default: |
9288 | /* Unknown state, prepare and request slot reset */ | |
9289 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9290 | "0472 Unknown PCI error state: x%x\n", state); | |
9291 | lpfc_sli_prep_dev_for_reset(phba); | |
9292 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 9293 | } |
da0436e9 JS |
9294 | } |
9295 | ||
9296 | /** | |
9297 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
9298 | * @pdev: pointer to PCI device. | |
9299 | * | |
9300 | * This routine is called from the PCI subsystem for error handling to | |
9301 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
9302 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
9303 | * During the PCI subsystem error recovery, after driver returns | |
9304 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
9305 | * recovery and then call this routine before calling the .resume method | |
9306 | * to recover the device. This function will initialize the HBA device, | |
9307 | * enable the interrupt, but it will just put the HBA to offline state | |
9308 | * without passing any I/O traffic. | |
9309 | * | |
9310 | * Return codes | |
9311 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
9312 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9313 | */ | |
9314 | static pci_ers_result_t | |
9315 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
9316 | { | |
9317 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9318 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9319 | struct lpfc_sli *psli = &phba->sli; | |
9320 | uint32_t intr_mode; | |
9321 | ||
9322 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
9323 | if (pci_enable_device_mem(pdev)) { | |
9324 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
9325 | "PCI device after reset.\n"); | |
9326 | return PCI_ERS_RESULT_DISCONNECT; | |
9327 | } | |
9328 | ||
9329 | pci_restore_state(pdev); | |
1dfb5a47 JS |
9330 | |
9331 | /* | |
9332 | * As the new kernel behavior of pci_restore_state() API call clears | |
9333 | * device saved_state flag, need to save the restored state again. | |
9334 | */ | |
9335 | pci_save_state(pdev); | |
9336 | ||
da0436e9 JS |
9337 | if (pdev->is_busmaster) |
9338 | pci_set_master(pdev); | |
9339 | ||
9340 | spin_lock_irq(&phba->hbalock); | |
9341 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
9342 | spin_unlock_irq(&phba->hbalock); | |
9343 | ||
9344 | /* Configure and enable interrupt */ | |
9345 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
9346 | if (intr_mode == LPFC_INTR_ERROR) { | |
9347 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9348 | "0427 Cannot re-enable interrupt after " | |
9349 | "slot reset.\n"); | |
9350 | return PCI_ERS_RESULT_DISCONNECT; | |
9351 | } else | |
9352 | phba->intr_mode = intr_mode; | |
9353 | ||
75baf696 | 9354 | /* Take device offline, it will perform cleanup */ |
618a5230 | 9355 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
9356 | lpfc_offline(phba); |
9357 | lpfc_sli_brdrestart(phba); | |
9358 | ||
9359 | /* Log the current active interrupt mode */ | |
9360 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9361 | ||
9362 | return PCI_ERS_RESULT_RECOVERED; | |
9363 | } | |
9364 | ||
9365 | /** | |
9366 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
9367 | * @pdev: pointer to PCI device | |
9368 | * | |
9369 | * This routine is called from the PCI subsystem for error handling to device | |
9370 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
9371 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
9372 | * error recovery. After this call, traffic can start to flow from this device | |
9373 | * again. | |
9374 | */ | |
9375 | static void | |
9376 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
9377 | { | |
9378 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9379 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 9380 | |
e2af0d2e | 9381 | /* Bring device online, it will be no-op for non-fatal error resume */ |
da0436e9 | 9382 | lpfc_online(phba); |
0d878419 JS |
9383 | |
9384 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
9385 | if (phba->hba_flag & HBA_AER_ENABLED) | |
9386 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 9387 | } |
3772a991 | 9388 | |
da0436e9 JS |
9389 | /** |
9390 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
9391 | * @phba: pointer to lpfc hba data structure. | |
9392 | * | |
9393 | * returns the number of ELS/CT IOCBs to reserve | |
9394 | **/ | |
9395 | int | |
9396 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
9397 | { | |
9398 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
9399 | ||
f1126688 JS |
9400 | if (phba->sli_rev == LPFC_SLI_REV4) { |
9401 | if (max_xri <= 100) | |
6a9c52cf | 9402 | return 10; |
f1126688 | 9403 | else if (max_xri <= 256) |
6a9c52cf | 9404 | return 25; |
f1126688 | 9405 | else if (max_xri <= 512) |
6a9c52cf | 9406 | return 50; |
f1126688 | 9407 | else if (max_xri <= 1024) |
6a9c52cf | 9408 | return 100; |
8a9d2e80 | 9409 | else if (max_xri <= 1536) |
6a9c52cf | 9410 | return 150; |
8a9d2e80 JS |
9411 | else if (max_xri <= 2048) |
9412 | return 200; | |
9413 | else | |
9414 | return 250; | |
f1126688 JS |
9415 | } else |
9416 | return 0; | |
3772a991 JS |
9417 | } |
9418 | ||
52d52440 JS |
9419 | /** |
9420 | * lpfc_write_firmware - attempt to write a firmware image to the port | |
52d52440 | 9421 | * @fw: pointer to firmware image returned from request_firmware. |
ce396282 | 9422 | * @phba: pointer to lpfc hba data structure. |
52d52440 | 9423 | * |
52d52440 | 9424 | **/ |
ce396282 JS |
9425 | static void |
9426 | lpfc_write_firmware(const struct firmware *fw, void *context) | |
52d52440 | 9427 | { |
ce396282 | 9428 | struct lpfc_hba *phba = (struct lpfc_hba *)context; |
6b5151fd | 9429 | char fwrev[FW_REV_STR_SIZE]; |
ce396282 | 9430 | struct lpfc_grp_hdr *image; |
52d52440 JS |
9431 | struct list_head dma_buffer_list; |
9432 | int i, rc = 0; | |
9433 | struct lpfc_dmabuf *dmabuf, *next; | |
9434 | uint32_t offset = 0, temp_offset = 0; | |
9435 | ||
c71ab861 | 9436 | /* It can be null in no-wait mode, sanity check */ |
ce396282 JS |
9437 | if (!fw) { |
9438 | rc = -ENXIO; | |
9439 | goto out; | |
9440 | } | |
9441 | image = (struct lpfc_grp_hdr *)fw->data; | |
9442 | ||
52d52440 | 9443 | INIT_LIST_HEAD(&dma_buffer_list); |
079b5c91 JS |
9444 | if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) || |
9445 | (bf_get_be32(lpfc_grp_hdr_file_type, image) != | |
9446 | LPFC_FILE_TYPE_GROUP) || | |
9447 | (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) || | |
9448 | (be32_to_cpu(image->size) != fw->size)) { | |
52d52440 JS |
9449 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9450 | "3022 Invalid FW image found. " | |
079b5c91 JS |
9451 | "Magic:%x Type:%x ID:%x\n", |
9452 | be32_to_cpu(image->magic_number), | |
9453 | bf_get_be32(lpfc_grp_hdr_file_type, image), | |
9454 | bf_get_be32(lpfc_grp_hdr_id, image)); | |
ce396282 JS |
9455 | rc = -EINVAL; |
9456 | goto release_out; | |
52d52440 JS |
9457 | } |
9458 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
88a2cfbb | 9459 | if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { |
52d52440 | 9460 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
ce396282 | 9461 | "3023 Updating Firmware, Current Version:%s " |
52d52440 | 9462 | "New Version:%s\n", |
88a2cfbb | 9463 | fwrev, image->revision); |
52d52440 JS |
9464 | for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { |
9465 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
9466 | GFP_KERNEL); | |
9467 | if (!dmabuf) { | |
9468 | rc = -ENOMEM; | |
ce396282 | 9469 | goto release_out; |
52d52440 JS |
9470 | } |
9471 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
9472 | SLI4_PAGE_SIZE, | |
9473 | &dmabuf->phys, | |
9474 | GFP_KERNEL); | |
9475 | if (!dmabuf->virt) { | |
9476 | kfree(dmabuf); | |
9477 | rc = -ENOMEM; | |
ce396282 | 9478 | goto release_out; |
52d52440 JS |
9479 | } |
9480 | list_add_tail(&dmabuf->list, &dma_buffer_list); | |
9481 | } | |
9482 | while (offset < fw->size) { | |
9483 | temp_offset = offset; | |
9484 | list_for_each_entry(dmabuf, &dma_buffer_list, list) { | |
079b5c91 | 9485 | if (temp_offset + SLI4_PAGE_SIZE > fw->size) { |
52d52440 JS |
9486 | memcpy(dmabuf->virt, |
9487 | fw->data + temp_offset, | |
079b5c91 JS |
9488 | fw->size - temp_offset); |
9489 | temp_offset = fw->size; | |
52d52440 JS |
9490 | break; |
9491 | } | |
52d52440 JS |
9492 | memcpy(dmabuf->virt, fw->data + temp_offset, |
9493 | SLI4_PAGE_SIZE); | |
88a2cfbb | 9494 | temp_offset += SLI4_PAGE_SIZE; |
52d52440 JS |
9495 | } |
9496 | rc = lpfc_wr_object(phba, &dma_buffer_list, | |
9497 | (fw->size - offset), &offset); | |
ce396282 JS |
9498 | if (rc) |
9499 | goto release_out; | |
52d52440 JS |
9500 | } |
9501 | rc = offset; | |
9502 | } | |
ce396282 JS |
9503 | |
9504 | release_out: | |
52d52440 JS |
9505 | list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { |
9506 | list_del(&dmabuf->list); | |
9507 | dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, | |
9508 | dmabuf->virt, dmabuf->phys); | |
9509 | kfree(dmabuf); | |
9510 | } | |
ce396282 JS |
9511 | release_firmware(fw); |
9512 | out: | |
9513 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
c71ab861 | 9514 | "3024 Firmware update done: %d.\n", rc); |
ce396282 | 9515 | return; |
52d52440 JS |
9516 | } |
9517 | ||
c71ab861 JS |
9518 | /** |
9519 | * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade | |
9520 | * @phba: pointer to lpfc hba data structure. | |
9521 | * | |
9522 | * This routine is called to perform Linux generic firmware upgrade on device | |
9523 | * that supports such feature. | |
9524 | **/ | |
9525 | int | |
9526 | lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) | |
9527 | { | |
9528 | uint8_t file_name[ELX_MODEL_NAME_SIZE]; | |
9529 | int ret; | |
9530 | const struct firmware *fw; | |
9531 | ||
9532 | /* Only supported on SLI4 interface type 2 for now */ | |
9533 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
9534 | LPFC_SLI_INTF_IF_TYPE_2) | |
9535 | return -EPERM; | |
9536 | ||
9537 | snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); | |
9538 | ||
9539 | if (fw_upgrade == INT_FW_UPGRADE) { | |
9540 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
9541 | file_name, &phba->pcidev->dev, | |
9542 | GFP_KERNEL, (void *)phba, | |
9543 | lpfc_write_firmware); | |
9544 | } else if (fw_upgrade == RUN_FW_UPGRADE) { | |
9545 | ret = request_firmware(&fw, file_name, &phba->pcidev->dev); | |
9546 | if (!ret) | |
9547 | lpfc_write_firmware(fw, (void *)phba); | |
9548 | } else { | |
9549 | ret = -EINVAL; | |
9550 | } | |
9551 | ||
9552 | return ret; | |
9553 | } | |
9554 | ||
3772a991 | 9555 | /** |
da0436e9 | 9556 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
9557 | * @pdev: pointer to PCI device |
9558 | * @pid: pointer to PCI device identifier | |
9559 | * | |
da0436e9 JS |
9560 | * This routine is called from the kernel's PCI subsystem to device with |
9561 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 9562 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
9563 | * information of the device and driver to see if the driver state that it |
9564 | * can support this kind of device. If the match is successful, the driver | |
9565 | * core invokes this routine. If this routine determines it can claim the HBA, | |
9566 | * it does all the initialization that it needs to do to handle the HBA | |
9567 | * properly. | |
3772a991 JS |
9568 | * |
9569 | * Return code | |
9570 | * 0 - driver can claim the device | |
9571 | * negative value - driver can not claim the device | |
9572 | **/ | |
6f039790 | 9573 | static int |
da0436e9 | 9574 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
9575 | { |
9576 | struct lpfc_hba *phba; | |
9577 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 9578 | struct Scsi_Host *shost = NULL; |
ce396282 | 9579 | int error, ret; |
3772a991 | 9580 | uint32_t cfg_mode, intr_mode; |
67d12733 | 9581 | int adjusted_fcp_io_channel; |
3772a991 JS |
9582 | |
9583 | /* Allocate memory for HBA structure */ | |
9584 | phba = lpfc_hba_alloc(pdev); | |
9585 | if (!phba) | |
9586 | return -ENOMEM; | |
9587 | ||
9588 | /* Perform generic PCI device enabling operation */ | |
9589 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 9590 | if (error) |
3772a991 | 9591 | goto out_free_phba; |
3772a991 | 9592 | |
da0436e9 JS |
9593 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
9594 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
9595 | if (error) |
9596 | goto out_disable_pci_dev; | |
9597 | ||
da0436e9 JS |
9598 | /* Set up SLI-4 specific device PCI memory space */ |
9599 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
9600 | if (error) { |
9601 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9602 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
9603 | goto out_disable_pci_dev; |
9604 | } | |
9605 | ||
9606 | /* Set up phase-1 common device driver resources */ | |
9607 | error = lpfc_setup_driver_resource_phase1(phba); | |
9608 | if (error) { | |
9609 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
9610 | "1411 Failed to set up driver resource.\n"); |
9611 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
9612 | } |
9613 | ||
da0436e9 JS |
9614 | /* Set up SLI-4 Specific device driver resources */ |
9615 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
9616 | if (error) { |
9617 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
9618 | "1412 Failed to set up driver resource.\n"); |
9619 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
9620 | } |
9621 | ||
9622 | /* Initialize and populate the iocb list per host */ | |
2a9bf3d0 JS |
9623 | |
9624 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9625 | "2821 initialize iocb list %d.\n", | |
9626 | phba->cfg_iocb_cnt*1024); | |
9627 | error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024); | |
9628 | ||
3772a991 JS |
9629 | if (error) { |
9630 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
9631 | "1413 Failed to initialize iocb list.\n"); |
9632 | goto out_unset_driver_resource_s4; | |
3772a991 JS |
9633 | } |
9634 | ||
19ca7609 | 9635 | INIT_LIST_HEAD(&phba->active_rrq_list); |
7d791df7 | 9636 | INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); |
19ca7609 | 9637 | |
3772a991 JS |
9638 | /* Set up common device driver resources */ |
9639 | error = lpfc_setup_driver_resource_phase2(phba); | |
9640 | if (error) { | |
9641 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9642 | "1414 Failed to set up driver resource.\n"); |
3772a991 JS |
9643 | goto out_free_iocb_list; |
9644 | } | |
9645 | ||
079b5c91 JS |
9646 | /* Get the default values for Model Name and Description */ |
9647 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
9648 | ||
3772a991 JS |
9649 | /* Create SCSI host to the physical port */ |
9650 | error = lpfc_create_shost(phba); | |
9651 | if (error) { | |
9652 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9653 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
9654 | goto out_unset_driver_resource; |
9655 | } | |
9399627f | 9656 | |
5b75da2f | 9657 | /* Configure sysfs attributes */ |
3772a991 JS |
9658 | vport = phba->pport; |
9659 | error = lpfc_alloc_sysfs_attr(vport); | |
9660 | if (error) { | |
9399627f | 9661 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 9662 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 9663 | goto out_destroy_shost; |
98c9ea5c | 9664 | } |
875fbdfe | 9665 | |
6669f9bb | 9666 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 9667 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f | 9668 | cfg_mode = phba->cfg_use_msi; |
5b75da2f | 9669 | |
7b15db32 JS |
9670 | /* Put device to a known state before enabling interrupt */ |
9671 | lpfc_stop_port(phba); | |
9672 | /* Configure and enable interrupt */ | |
9673 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); | |
9674 | if (intr_mode == LPFC_INTR_ERROR) { | |
9675 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9676 | "0426 Failed to enable interrupt.\n"); | |
9677 | error = -ENODEV; | |
9678 | goto out_free_sysfs_attr; | |
9679 | } | |
9680 | /* Default to single EQ for non-MSI-X */ | |
9681 | if (phba->intr_type != MSIX) | |
9682 | adjusted_fcp_io_channel = 1; | |
9683 | else | |
9684 | adjusted_fcp_io_channel = phba->cfg_fcp_io_channel; | |
9685 | phba->cfg_fcp_io_channel = adjusted_fcp_io_channel; | |
9686 | /* Set up SLI-4 HBA */ | |
9687 | if (lpfc_sli4_hba_setup(phba)) { | |
9688 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9689 | "1421 Failed to set up hba\n"); | |
9690 | error = -ENODEV; | |
9691 | goto out_disable_intr; | |
98c9ea5c | 9692 | } |
858c9f6c | 9693 | |
7b15db32 JS |
9694 | /* Log the current active interrupt mode */ |
9695 | phba->intr_mode = intr_mode; | |
9696 | lpfc_log_intr_mode(phba, intr_mode); | |
9697 | ||
3772a991 JS |
9698 | /* Perform post initialization setup */ |
9699 | lpfc_post_init_setup(phba); | |
dea3101e | 9700 | |
c71ab861 JS |
9701 | /* check for firmware upgrade or downgrade */ |
9702 | if (phba->cfg_request_firmware_upgrade) | |
9703 | ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE); | |
52d52440 | 9704 | |
1c6834a7 JS |
9705 | /* Check if there are static vports to be created. */ |
9706 | lpfc_create_static_vport(phba); | |
dea3101e JB |
9707 | return 0; |
9708 | ||
da0436e9 JS |
9709 | out_disable_intr: |
9710 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
9711 | out_free_sysfs_attr: |
9712 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
9713 | out_destroy_shost: |
9714 | lpfc_destroy_shost(phba); | |
9715 | out_unset_driver_resource: | |
9716 | lpfc_unset_driver_resource_phase2(phba); | |
9717 | out_free_iocb_list: | |
9718 | lpfc_free_iocb_list(phba); | |
da0436e9 JS |
9719 | out_unset_driver_resource_s4: |
9720 | lpfc_sli4_driver_resource_unset(phba); | |
9721 | out_unset_pci_mem_s4: | |
9722 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
9723 | out_disable_pci_dev: |
9724 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
9725 | if (shost) |
9726 | scsi_host_put(shost); | |
2e0fef85 | 9727 | out_free_phba: |
3772a991 | 9728 | lpfc_hba_free(phba); |
dea3101e JB |
9729 | return error; |
9730 | } | |
9731 | ||
e59058c4 | 9732 | /** |
da0436e9 | 9733 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
9734 | * @pdev: pointer to PCI device |
9735 | * | |
da0436e9 JS |
9736 | * This routine is called from the kernel's PCI subsystem to device with |
9737 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
9738 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
9739 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 9740 | **/ |
6f039790 | 9741 | static void |
da0436e9 | 9742 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 9743 | { |
da0436e9 | 9744 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 9745 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 9746 | struct lpfc_vport **vports; |
da0436e9 | 9747 | struct lpfc_hba *phba = vport->phba; |
eada272d | 9748 | int i; |
8a4df120 | 9749 | |
da0436e9 | 9750 | /* Mark the device unloading flag */ |
549e55cd | 9751 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 9752 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 9753 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 9754 | |
da0436e9 | 9755 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
9756 | lpfc_free_sysfs_attr(vport); |
9757 | ||
eada272d JS |
9758 | /* Release all the vports against this physical port */ |
9759 | vports = lpfc_create_vport_work_array(phba); | |
9760 | if (vports != NULL) | |
587a37f6 JS |
9761 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
9762 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
9763 | continue; | |
eada272d | 9764 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 9765 | } |
eada272d JS |
9766 | lpfc_destroy_vport_work_array(phba, vports); |
9767 | ||
9768 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
9769 | fc_remove_host(shost); |
9770 | scsi_remove_host(shost); | |
da0436e9 JS |
9771 | |
9772 | /* Perform cleanup on the physical port */ | |
87af33fe JS |
9773 | lpfc_cleanup(vport); |
9774 | ||
2e0fef85 | 9775 | /* |
da0436e9 | 9776 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 9777 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 9778 | * the HBA FCoE function. |
2e0fef85 | 9779 | */ |
da0436e9 JS |
9780 | lpfc_debugfs_terminate(vport); |
9781 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 9782 | |
858c9f6c JS |
9783 | spin_lock_irq(&phba->hbalock); |
9784 | list_del_init(&vport->listentry); | |
9785 | spin_unlock_irq(&phba->hbalock); | |
9786 | ||
3677a3a7 | 9787 | /* Perform scsi free before driver resource_unset since scsi |
da0436e9 | 9788 | * buffers are released to their corresponding pools here. |
2e0fef85 JS |
9789 | */ |
9790 | lpfc_scsi_free(phba); | |
67d12733 | 9791 | |
da0436e9 | 9792 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 9793 | |
da0436e9 JS |
9794 | /* Unmap adapter Control and Doorbell registers */ |
9795 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 9796 | |
da0436e9 JS |
9797 | /* Release PCI resources and disable device's PCI function */ |
9798 | scsi_host_put(shost); | |
9799 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 9800 | |
da0436e9 | 9801 | /* Finally, free the driver's device data structure */ |
3772a991 | 9802 | lpfc_hba_free(phba); |
2e0fef85 | 9803 | |
da0436e9 | 9804 | return; |
dea3101e JB |
9805 | } |
9806 | ||
3a55b532 | 9807 | /** |
da0436e9 | 9808 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
9809 | * @pdev: pointer to PCI device |
9810 | * @msg: power management message | |
9811 | * | |
da0436e9 JS |
9812 | * This routine is called from the kernel's PCI subsystem to support system |
9813 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
9814 | * this method, it quiesces the device by stopping the driver's worker | |
9815 | * thread for the device, turning off device's interrupt and DMA, and bring | |
9816 | * the device offline. Note that as the driver implements the minimum PM | |
9817 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
9818 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
9819 | * method call will be treated as SUSPEND and the driver will fully | |
9820 | * reinitialize its device during resume() method call, the driver will set | |
9821 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 9822 | * according to the @msg provided by the PM. |
3a55b532 JS |
9823 | * |
9824 | * Return code | |
3772a991 JS |
9825 | * 0 - driver suspended the device |
9826 | * Error otherwise | |
3a55b532 JS |
9827 | **/ |
9828 | static int | |
da0436e9 | 9829 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
9830 | { |
9831 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9832 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9833 | ||
9834 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
75baf696 | 9835 | "2843 PCI device Power Management suspend.\n"); |
3a55b532 JS |
9836 | |
9837 | /* Bring down the device */ | |
618a5230 | 9838 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3a55b532 JS |
9839 | lpfc_offline(phba); |
9840 | kthread_stop(phba->worker_thread); | |
9841 | ||
9842 | /* Disable interrupt from device */ | |
da0436e9 | 9843 | lpfc_sli4_disable_intr(phba); |
5350d872 | 9844 | lpfc_sli4_queue_destroy(phba); |
3a55b532 JS |
9845 | |
9846 | /* Save device state to PCI config space */ | |
9847 | pci_save_state(pdev); | |
9848 | pci_set_power_state(pdev, PCI_D3hot); | |
9849 | ||
9850 | return 0; | |
9851 | } | |
9852 | ||
9853 | /** | |
da0436e9 | 9854 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
9855 | * @pdev: pointer to PCI device |
9856 | * | |
da0436e9 JS |
9857 | * This routine is called from the kernel's PCI subsystem to support system |
9858 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
9859 | * this method, it restores the device's PCI config space state and fully | |
9860 | * reinitializes the device and brings it online. Note that as the driver | |
9861 | * implements the minimum PM requirements to a power-aware driver's PM for | |
9862 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
9863 | * to the suspend() method call will be treated as SUSPEND and the driver | |
9864 | * will fully reinitialize its device during resume() method call, the device | |
9865 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
9866 | * state. | |
3a55b532 JS |
9867 | * |
9868 | * Return code | |
3772a991 JS |
9869 | * 0 - driver suspended the device |
9870 | * Error otherwise | |
3a55b532 JS |
9871 | **/ |
9872 | static int | |
da0436e9 | 9873 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
9874 | { |
9875 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9876 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 9877 | uint32_t intr_mode; |
3a55b532 JS |
9878 | int error; |
9879 | ||
9880 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 9881 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
9882 | |
9883 | /* Restore device state from PCI config space */ | |
9884 | pci_set_power_state(pdev, PCI_D0); | |
9885 | pci_restore_state(pdev); | |
1dfb5a47 JS |
9886 | |
9887 | /* | |
9888 | * As the new kernel behavior of pci_restore_state() API call clears | |
9889 | * device saved_state flag, need to save the restored state again. | |
9890 | */ | |
9891 | pci_save_state(pdev); | |
9892 | ||
3a55b532 JS |
9893 | if (pdev->is_busmaster) |
9894 | pci_set_master(pdev); | |
9895 | ||
da0436e9 | 9896 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
9897 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
9898 | "lpfc_worker_%d", phba->brd_no); | |
9899 | if (IS_ERR(phba->worker_thread)) { | |
9900 | error = PTR_ERR(phba->worker_thread); | |
9901 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9902 | "0293 PM resume failed to start worker " |
3a55b532 JS |
9903 | "thread: error=x%x.\n", error); |
9904 | return error; | |
9905 | } | |
9906 | ||
5b75da2f | 9907 | /* Configure and enable interrupt */ |
da0436e9 | 9908 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 9909 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 9910 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 9911 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
9912 | return -EIO; |
9913 | } else | |
9914 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
9915 | |
9916 | /* Restart HBA and bring it online */ | |
9917 | lpfc_sli_brdrestart(phba); | |
9918 | lpfc_online(phba); | |
9919 | ||
5b75da2f JS |
9920 | /* Log the current active interrupt mode */ |
9921 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9922 | ||
3a55b532 JS |
9923 | return 0; |
9924 | } | |
9925 | ||
75baf696 JS |
9926 | /** |
9927 | * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover | |
9928 | * @phba: pointer to lpfc hba data structure. | |
9929 | * | |
9930 | * This routine is called to prepare the SLI4 device for PCI slot recover. It | |
9931 | * aborts all the outstanding SCSI I/Os to the pci device. | |
9932 | **/ | |
9933 | static void | |
9934 | lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) | |
9935 | { | |
9936 | struct lpfc_sli *psli = &phba->sli; | |
9937 | struct lpfc_sli_ring *pring; | |
9938 | ||
9939 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9940 | "2828 PCI channel I/O abort preparing for recovery\n"); | |
9941 | /* | |
9942 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
9943 | * and let the SCSI mid-layer to retry them to recover. | |
9944 | */ | |
9945 | pring = &psli->ring[psli->fcp_ring]; | |
9946 | lpfc_sli_abort_iocb_ring(phba, pring); | |
9947 | } | |
9948 | ||
9949 | /** | |
9950 | * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset | |
9951 | * @phba: pointer to lpfc hba data structure. | |
9952 | * | |
9953 | * This routine is called to prepare the SLI4 device for PCI slot reset. It | |
9954 | * disables the device interrupt and pci device, and aborts the internal FCP | |
9955 | * pending I/Os. | |
9956 | **/ | |
9957 | static void | |
9958 | lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) | |
9959 | { | |
9960 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9961 | "2826 PCI channel disable preparing for reset\n"); | |
9962 | ||
9963 | /* Block any management I/Os to the device */ | |
618a5230 | 9964 | lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); |
75baf696 JS |
9965 | |
9966 | /* Block all SCSI devices' I/Os on the host */ | |
9967 | lpfc_scsi_dev_block(phba); | |
9968 | ||
9969 | /* stop all timers */ | |
9970 | lpfc_stop_hba_timers(phba); | |
9971 | ||
9972 | /* Disable interrupt and pci device */ | |
9973 | lpfc_sli4_disable_intr(phba); | |
5350d872 | 9974 | lpfc_sli4_queue_destroy(phba); |
75baf696 JS |
9975 | pci_disable_device(phba->pcidev); |
9976 | ||
9977 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ | |
9978 | lpfc_sli_flush_fcp_rings(phba); | |
9979 | } | |
9980 | ||
9981 | /** | |
9982 | * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable | |
9983 | * @phba: pointer to lpfc hba data structure. | |
9984 | * | |
9985 | * This routine is called to prepare the SLI4 device for PCI slot permanently | |
9986 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
9987 | * pending I/Os. | |
9988 | **/ | |
9989 | static void | |
9990 | lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
9991 | { | |
9992 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9993 | "2827 PCI channel permanent disable for failure\n"); | |
9994 | ||
9995 | /* Block all SCSI devices' I/Os on the host */ | |
9996 | lpfc_scsi_dev_block(phba); | |
9997 | ||
9998 | /* stop all timers */ | |
9999 | lpfc_stop_hba_timers(phba); | |
10000 | ||
10001 | /* Clean up all driver's outstanding SCSI I/Os */ | |
10002 | lpfc_sli_flush_fcp_rings(phba); | |
10003 | } | |
10004 | ||
8d63f375 | 10005 | /** |
da0436e9 | 10006 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
10007 | * @pdev: pointer to PCI device. |
10008 | * @state: the current PCI connection state. | |
8d63f375 | 10009 | * |
da0436e9 JS |
10010 | * This routine is called from the PCI subsystem for error handling to device |
10011 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
10012 | * after a PCI bus error affecting this device has been detected. When this | |
10013 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
10014 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
10015 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
10016 | * |
10017 | * Return codes | |
3772a991 JS |
10018 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
10019 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 10020 | **/ |
3772a991 | 10021 | static pci_ers_result_t |
da0436e9 | 10022 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 10023 | { |
75baf696 JS |
10024 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10025 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10026 | ||
10027 | switch (state) { | |
10028 | case pci_channel_io_normal: | |
10029 | /* Non-fatal error, prepare for recovery */ | |
10030 | lpfc_sli4_prep_dev_for_recover(phba); | |
10031 | return PCI_ERS_RESULT_CAN_RECOVER; | |
10032 | case pci_channel_io_frozen: | |
10033 | /* Fatal error, prepare for slot reset */ | |
10034 | lpfc_sli4_prep_dev_for_reset(phba); | |
10035 | return PCI_ERS_RESULT_NEED_RESET; | |
10036 | case pci_channel_io_perm_failure: | |
10037 | /* Permanent failure, prepare for device down */ | |
10038 | lpfc_sli4_prep_dev_for_perm_failure(phba); | |
10039 | return PCI_ERS_RESULT_DISCONNECT; | |
10040 | default: | |
10041 | /* Unknown state, prepare and request slot reset */ | |
10042 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10043 | "2825 Unknown PCI error state: x%x\n", state); | |
10044 | lpfc_sli4_prep_dev_for_reset(phba); | |
10045 | return PCI_ERS_RESULT_NEED_RESET; | |
10046 | } | |
8d63f375 LV |
10047 | } |
10048 | ||
10049 | /** | |
da0436e9 | 10050 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
10051 | * @pdev: pointer to PCI device. |
10052 | * | |
da0436e9 JS |
10053 | * This routine is called from the PCI subsystem for error handling to device |
10054 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
10055 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
10056 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 10057 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
10058 | * recovery and then call this routine before calling the .resume method to |
10059 | * recover the device. This function will initialize the HBA device, enable | |
10060 | * the interrupt, but it will just put the HBA to offline state without | |
10061 | * passing any I/O traffic. | |
8d63f375 | 10062 | * |
e59058c4 | 10063 | * Return codes |
3772a991 JS |
10064 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
10065 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 10066 | */ |
3772a991 | 10067 | static pci_ers_result_t |
da0436e9 | 10068 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 10069 | { |
75baf696 JS |
10070 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10071 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10072 | struct lpfc_sli *psli = &phba->sli; | |
10073 | uint32_t intr_mode; | |
10074 | ||
10075 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
10076 | if (pci_enable_device_mem(pdev)) { | |
10077 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
10078 | "PCI device after reset.\n"); | |
10079 | return PCI_ERS_RESULT_DISCONNECT; | |
10080 | } | |
10081 | ||
10082 | pci_restore_state(pdev); | |
0a96e975 JS |
10083 | |
10084 | /* | |
10085 | * As the new kernel behavior of pci_restore_state() API call clears | |
10086 | * device saved_state flag, need to save the restored state again. | |
10087 | */ | |
10088 | pci_save_state(pdev); | |
10089 | ||
75baf696 JS |
10090 | if (pdev->is_busmaster) |
10091 | pci_set_master(pdev); | |
10092 | ||
10093 | spin_lock_irq(&phba->hbalock); | |
10094 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
10095 | spin_unlock_irq(&phba->hbalock); | |
10096 | ||
10097 | /* Configure and enable interrupt */ | |
10098 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
10099 | if (intr_mode == LPFC_INTR_ERROR) { | |
10100 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10101 | "2824 Cannot re-enable interrupt after " | |
10102 | "slot reset.\n"); | |
10103 | return PCI_ERS_RESULT_DISCONNECT; | |
10104 | } else | |
10105 | phba->intr_mode = intr_mode; | |
10106 | ||
10107 | /* Log the current active interrupt mode */ | |
10108 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10109 | ||
8d63f375 LV |
10110 | return PCI_ERS_RESULT_RECOVERED; |
10111 | } | |
10112 | ||
10113 | /** | |
da0436e9 | 10114 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 10115 | * @pdev: pointer to PCI device |
8d63f375 | 10116 | * |
3772a991 | 10117 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 10118 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
10119 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
10120 | * error recovery. After this call, traffic can start to flow from this device | |
10121 | * again. | |
da0436e9 | 10122 | **/ |
3772a991 | 10123 | static void |
da0436e9 | 10124 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 10125 | { |
75baf696 JS |
10126 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10127 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10128 | ||
10129 | /* | |
10130 | * In case of slot reset, as function reset is performed through | |
10131 | * mailbox command which needs DMA to be enabled, this operation | |
10132 | * has to be moved to the io resume phase. Taking device offline | |
10133 | * will perform the necessary cleanup. | |
10134 | */ | |
10135 | if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { | |
10136 | /* Perform device reset */ | |
618a5230 | 10137 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
75baf696 JS |
10138 | lpfc_offline(phba); |
10139 | lpfc_sli_brdrestart(phba); | |
10140 | /* Bring the device back online */ | |
10141 | lpfc_online(phba); | |
10142 | } | |
10143 | ||
10144 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
10145 | if (phba->hba_flag & HBA_AER_ENABLED) | |
10146 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8d63f375 LV |
10147 | } |
10148 | ||
3772a991 JS |
10149 | /** |
10150 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
10151 | * @pdev: pointer to PCI device | |
10152 | * @pid: pointer to PCI device identifier | |
10153 | * | |
10154 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
10155 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
10156 | * at PCI device-specific information of the device and driver to see if the | |
10157 | * driver state that it can support this kind of device. If the match is | |
10158 | * successful, the driver core invokes this routine. This routine dispatches | |
10159 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
10160 | * do all the initialization that it needs to do to handle the HBA device | |
10161 | * properly. | |
10162 | * | |
10163 | * Return code | |
10164 | * 0 - driver can claim the device | |
10165 | * negative value - driver can not claim the device | |
10166 | **/ | |
6f039790 | 10167 | static int |
3772a991 JS |
10168 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) |
10169 | { | |
10170 | int rc; | |
8fa38513 | 10171 | struct lpfc_sli_intf intf; |
3772a991 | 10172 | |
28baac74 | 10173 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) |
3772a991 JS |
10174 | return -ENODEV; |
10175 | ||
8fa38513 | 10176 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
28baac74 | 10177 | (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) |
da0436e9 | 10178 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 10179 | else |
3772a991 | 10180 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 10181 | |
3772a991 JS |
10182 | return rc; |
10183 | } | |
10184 | ||
10185 | /** | |
10186 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
10187 | * @pdev: pointer to PCI device | |
10188 | * | |
10189 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
10190 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
10191 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
10192 | * remove routine, which will perform all the necessary cleanup for the | |
10193 | * device to be removed from the PCI subsystem properly. | |
10194 | **/ | |
6f039790 | 10195 | static void |
3772a991 JS |
10196 | lpfc_pci_remove_one(struct pci_dev *pdev) |
10197 | { | |
10198 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10199 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10200 | ||
10201 | switch (phba->pci_dev_grp) { | |
10202 | case LPFC_PCI_DEV_LP: | |
10203 | lpfc_pci_remove_one_s3(pdev); | |
10204 | break; | |
da0436e9 JS |
10205 | case LPFC_PCI_DEV_OC: |
10206 | lpfc_pci_remove_one_s4(pdev); | |
10207 | break; | |
3772a991 JS |
10208 | default: |
10209 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10210 | "1424 Invalid PCI device group: 0x%x\n", | |
10211 | phba->pci_dev_grp); | |
10212 | break; | |
10213 | } | |
10214 | return; | |
10215 | } | |
10216 | ||
10217 | /** | |
10218 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
10219 | * @pdev: pointer to PCI device | |
10220 | * @msg: power management message | |
10221 | * | |
10222 | * This routine is to be registered to the kernel's PCI subsystem to support | |
10223 | * system Power Management (PM). When PM invokes this method, it dispatches | |
10224 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
10225 | * suspend the device. | |
10226 | * | |
10227 | * Return code | |
10228 | * 0 - driver suspended the device | |
10229 | * Error otherwise | |
10230 | **/ | |
10231 | static int | |
10232 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
10233 | { | |
10234 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10235 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10236 | int rc = -ENODEV; | |
10237 | ||
10238 | switch (phba->pci_dev_grp) { | |
10239 | case LPFC_PCI_DEV_LP: | |
10240 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
10241 | break; | |
da0436e9 JS |
10242 | case LPFC_PCI_DEV_OC: |
10243 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
10244 | break; | |
3772a991 JS |
10245 | default: |
10246 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10247 | "1425 Invalid PCI device group: 0x%x\n", | |
10248 | phba->pci_dev_grp); | |
10249 | break; | |
10250 | } | |
10251 | return rc; | |
10252 | } | |
10253 | ||
10254 | /** | |
10255 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
10256 | * @pdev: pointer to PCI device | |
10257 | * | |
10258 | * This routine is to be registered to the kernel's PCI subsystem to support | |
10259 | * system Power Management (PM). When PM invokes this method, it dispatches | |
10260 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
10261 | * resume the device. | |
10262 | * | |
10263 | * Return code | |
10264 | * 0 - driver suspended the device | |
10265 | * Error otherwise | |
10266 | **/ | |
10267 | static int | |
10268 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
10269 | { | |
10270 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10271 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10272 | int rc = -ENODEV; | |
10273 | ||
10274 | switch (phba->pci_dev_grp) { | |
10275 | case LPFC_PCI_DEV_LP: | |
10276 | rc = lpfc_pci_resume_one_s3(pdev); | |
10277 | break; | |
da0436e9 JS |
10278 | case LPFC_PCI_DEV_OC: |
10279 | rc = lpfc_pci_resume_one_s4(pdev); | |
10280 | break; | |
3772a991 JS |
10281 | default: |
10282 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10283 | "1426 Invalid PCI device group: 0x%x\n", | |
10284 | phba->pci_dev_grp); | |
10285 | break; | |
10286 | } | |
10287 | return rc; | |
10288 | } | |
10289 | ||
10290 | /** | |
10291 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
10292 | * @pdev: pointer to PCI device. | |
10293 | * @state: the current PCI connection state. | |
10294 | * | |
10295 | * This routine is registered to the PCI subsystem for error handling. This | |
10296 | * function is called by the PCI subsystem after a PCI bus error affecting | |
10297 | * this device has been detected. When this routine is invoked, it dispatches | |
10298 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
10299 | * routine, which will perform the proper error detected operation. | |
10300 | * | |
10301 | * Return codes | |
10302 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
10303 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10304 | **/ | |
10305 | static pci_ers_result_t | |
10306 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
10307 | { | |
10308 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10309 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10310 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
10311 | ||
10312 | switch (phba->pci_dev_grp) { | |
10313 | case LPFC_PCI_DEV_LP: | |
10314 | rc = lpfc_io_error_detected_s3(pdev, state); | |
10315 | break; | |
da0436e9 JS |
10316 | case LPFC_PCI_DEV_OC: |
10317 | rc = lpfc_io_error_detected_s4(pdev, state); | |
10318 | break; | |
3772a991 JS |
10319 | default: |
10320 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10321 | "1427 Invalid PCI device group: 0x%x\n", | |
10322 | phba->pci_dev_grp); | |
10323 | break; | |
10324 | } | |
10325 | return rc; | |
10326 | } | |
10327 | ||
10328 | /** | |
10329 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
10330 | * @pdev: pointer to PCI device. | |
10331 | * | |
10332 | * This routine is registered to the PCI subsystem for error handling. This | |
10333 | * function is called after PCI bus has been reset to restart the PCI card | |
10334 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
10335 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
10336 | * routine, which will perform the proper device reset. | |
10337 | * | |
10338 | * Return codes | |
10339 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
10340 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10341 | **/ | |
10342 | static pci_ers_result_t | |
10343 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
10344 | { | |
10345 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10346 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10347 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
10348 | ||
10349 | switch (phba->pci_dev_grp) { | |
10350 | case LPFC_PCI_DEV_LP: | |
10351 | rc = lpfc_io_slot_reset_s3(pdev); | |
10352 | break; | |
da0436e9 JS |
10353 | case LPFC_PCI_DEV_OC: |
10354 | rc = lpfc_io_slot_reset_s4(pdev); | |
10355 | break; | |
3772a991 JS |
10356 | default: |
10357 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10358 | "1428 Invalid PCI device group: 0x%x\n", | |
10359 | phba->pci_dev_grp); | |
10360 | break; | |
10361 | } | |
10362 | return rc; | |
10363 | } | |
10364 | ||
10365 | /** | |
10366 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
10367 | * @pdev: pointer to PCI device | |
10368 | * | |
10369 | * This routine is registered to the PCI subsystem for error handling. It | |
10370 | * is called when kernel error recovery tells the lpfc driver that it is | |
10371 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
10372 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
10373 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
10374 | **/ | |
10375 | static void | |
10376 | lpfc_io_resume(struct pci_dev *pdev) | |
10377 | { | |
10378 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10379 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10380 | ||
10381 | switch (phba->pci_dev_grp) { | |
10382 | case LPFC_PCI_DEV_LP: | |
10383 | lpfc_io_resume_s3(pdev); | |
10384 | break; | |
da0436e9 JS |
10385 | case LPFC_PCI_DEV_OC: |
10386 | lpfc_io_resume_s4(pdev); | |
10387 | break; | |
3772a991 JS |
10388 | default: |
10389 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10390 | "1429 Invalid PCI device group: 0x%x\n", | |
10391 | phba->pci_dev_grp); | |
10392 | break; | |
10393 | } | |
10394 | return; | |
10395 | } | |
10396 | ||
3ef6d24c JS |
10397 | /** |
10398 | * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace | |
10399 | * @inode: pointer to the inode representing the lpfcmgmt device | |
10400 | * @filep: pointer to the file representing the open lpfcmgmt device | |
10401 | * | |
10402 | * This routine puts a reference count on the lpfc module whenever the | |
10403 | * character device is opened | |
10404 | **/ | |
10405 | static int | |
10406 | lpfc_mgmt_open(struct inode *inode, struct file *filep) | |
10407 | { | |
10408 | try_module_get(THIS_MODULE); | |
10409 | return 0; | |
10410 | } | |
10411 | ||
10412 | /** | |
10413 | * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace | |
10414 | * @inode: pointer to the inode representing the lpfcmgmt device | |
10415 | * @filep: pointer to the file representing the open lpfcmgmt device | |
10416 | * | |
10417 | * This routine removes a reference count from the lpfc module when the | |
10418 | * character device is closed | |
10419 | **/ | |
10420 | static int | |
10421 | lpfc_mgmt_release(struct inode *inode, struct file *filep) | |
10422 | { | |
10423 | module_put(THIS_MODULE); | |
10424 | return 0; | |
10425 | } | |
10426 | ||
dea3101e JB |
10427 | static struct pci_device_id lpfc_id_table[] = { |
10428 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
10429 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
10430 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
10431 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10432 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
10433 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10434 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
10435 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10436 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
10437 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10438 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
10439 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10440 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
10441 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10442 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
10443 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10444 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
10445 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10446 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
10447 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10448 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
10449 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10450 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
10451 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10452 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
10453 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10454 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
10455 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10456 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
10457 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10458 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
10459 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10460 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
10461 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10462 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
10463 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
10464 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
10465 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10466 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
10467 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10468 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
10469 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10470 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
10471 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10472 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
10473 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10474 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
10475 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10476 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
10477 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10478 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
10479 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10480 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
10481 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10482 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
10483 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
10484 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
10485 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10486 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
10487 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10488 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
10489 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10490 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
10491 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10492 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
10493 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10494 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
10495 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
10496 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
10497 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10498 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
10499 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10500 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
10501 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3772a991 JS |
10502 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK, |
10503 | PCI_ANY_ID, PCI_ANY_ID, }, | |
a747c9ce JS |
10504 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT, |
10505 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10506 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON, | |
6669f9bb | 10507 | PCI_ANY_ID, PCI_ANY_ID, }, |
98fc5dd9 JS |
10508 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS, |
10509 | PCI_ANY_ID, PCI_ANY_ID, }, | |
085c647c JS |
10510 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC, |
10511 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10512 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE, | |
10513 | PCI_ANY_ID, PCI_ANY_ID, }, | |
c0c11512 JS |
10514 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF, |
10515 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10516 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF, | |
10517 | PCI_ANY_ID, PCI_ANY_ID, }, | |
f8cafd38 JS |
10518 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK, |
10519 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10520 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF, | |
10521 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10522 | { 0 } |
10523 | }; | |
10524 | ||
10525 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
10526 | ||
a55b2d21 | 10527 | static const struct pci_error_handlers lpfc_err_handler = { |
8d63f375 LV |
10528 | .error_detected = lpfc_io_error_detected, |
10529 | .slot_reset = lpfc_io_slot_reset, | |
10530 | .resume = lpfc_io_resume, | |
10531 | }; | |
10532 | ||
dea3101e JB |
10533 | static struct pci_driver lpfc_driver = { |
10534 | .name = LPFC_DRIVER_NAME, | |
10535 | .id_table = lpfc_id_table, | |
10536 | .probe = lpfc_pci_probe_one, | |
6f039790 | 10537 | .remove = lpfc_pci_remove_one, |
3a55b532 | 10538 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 10539 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 10540 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
10541 | }; |
10542 | ||
3ef6d24c JS |
10543 | static const struct file_operations lpfc_mgmt_fop = { |
10544 | .open = lpfc_mgmt_open, | |
10545 | .release = lpfc_mgmt_release, | |
10546 | }; | |
10547 | ||
10548 | static struct miscdevice lpfc_mgmt_dev = { | |
10549 | .minor = MISC_DYNAMIC_MINOR, | |
10550 | .name = "lpfcmgmt", | |
10551 | .fops = &lpfc_mgmt_fop, | |
10552 | }; | |
10553 | ||
e59058c4 | 10554 | /** |
3621a710 | 10555 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
10556 | * |
10557 | * This routine is to be invoked when the lpfc module is loaded into the | |
10558 | * kernel. The special kernel macro module_init() is used to indicate the | |
10559 | * role of this routine to the kernel as lpfc module entry point. | |
10560 | * | |
10561 | * Return codes | |
10562 | * 0 - successful | |
10563 | * -ENOMEM - FC attach transport failed | |
10564 | * all others - failed | |
10565 | */ | |
dea3101e JB |
10566 | static int __init |
10567 | lpfc_init(void) | |
10568 | { | |
10569 | int error = 0; | |
10570 | ||
10571 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 10572 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 10573 | |
3ef6d24c JS |
10574 | error = misc_register(&lpfc_mgmt_dev); |
10575 | if (error) | |
10576 | printk(KERN_ERR "Could not register lpfcmgmt device, " | |
10577 | "misc_register returned with status %d", error); | |
10578 | ||
7ee5d43e JS |
10579 | if (lpfc_enable_npiv) { |
10580 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
10581 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
10582 | } | |
dea3101e JB |
10583 | lpfc_transport_template = |
10584 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 10585 | if (lpfc_transport_template == NULL) |
dea3101e | 10586 | return -ENOMEM; |
7ee5d43e | 10587 | if (lpfc_enable_npiv) { |
7ee5d43e | 10588 | lpfc_vport_transport_template = |
98c9ea5c JS |
10589 | fc_attach_transport(&lpfc_vport_transport_functions); |
10590 | if (lpfc_vport_transport_template == NULL) { | |
10591 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 10592 | return -ENOMEM; |
98c9ea5c | 10593 | } |
7ee5d43e | 10594 | } |
dea3101e | 10595 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 10596 | if (error) { |
dea3101e | 10597 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
10598 | if (lpfc_enable_npiv) |
10599 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 10600 | } |
dea3101e JB |
10601 | |
10602 | return error; | |
10603 | } | |
10604 | ||
e59058c4 | 10605 | /** |
3621a710 | 10606 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
10607 | * |
10608 | * This routine is invoked when the lpfc module is removed from the kernel. | |
10609 | * The special kernel macro module_exit() is used to indicate the role of | |
10610 | * this routine to the kernel as lpfc module exit point. | |
10611 | */ | |
dea3101e JB |
10612 | static void __exit |
10613 | lpfc_exit(void) | |
10614 | { | |
3ef6d24c | 10615 | misc_deregister(&lpfc_mgmt_dev); |
dea3101e JB |
10616 | pci_unregister_driver(&lpfc_driver); |
10617 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
10618 | if (lpfc_enable_npiv) |
10619 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b | 10620 | if (_dump_buf_data) { |
6a9c52cf JS |
10621 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
10622 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
10623 | (1L << _dump_buf_data_order), _dump_buf_data); |
10624 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
10625 | } | |
10626 | ||
10627 | if (_dump_buf_dif) { | |
6a9c52cf JS |
10628 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
10629 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
10630 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
10631 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
10632 | } | |
dea3101e JB |
10633 | } |
10634 | ||
10635 | module_init(lpfc_init); | |
10636 | module_exit(lpfc_exit); | |
10637 | MODULE_LICENSE("GPL"); | |
10638 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
10639 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
10640 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |