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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/delay.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_cmnd.h> |
29 | #include <scsi/scsi_device.h> | |
30 | #include <scsi/scsi_host.h> | |
f888ba3c | 31 | #include <scsi/scsi_transport_fc.h> |
dea3101e | 32 | |
33 | #include "lpfc_hw.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_disc.h" | |
36 | #include "lpfc_scsi.h" | |
37 | #include "lpfc.h" | |
38 | #include "lpfc_crtn.h" | |
39 | #include "lpfc_logmsg.h" | |
40 | #include "lpfc_compat.h" | |
41 | ||
42 | /* | |
43 | * Define macro to log: Mailbox command x%x cannot issue Data | |
44 | * This allows multiple uses of lpfc_msgBlk0311 | |
45 | * w/o perturbing log msg utility. | |
46 | */ | |
47 | #define LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) \ | |
48 | lpfc_printf_log(phba, \ | |
49 | KERN_INFO, \ | |
50 | LOG_MBOX | LOG_SLI, \ | |
51 | "%d:0311 Mailbox command x%x cannot issue " \ | |
52 | "Data: x%x x%x x%x\n", \ | |
53 | phba->brd_no, \ | |
54 | mb->mbxCommand, \ | |
55 | phba->hba_state, \ | |
56 | psli->sli_flag, \ | |
57 | flag); | |
58 | ||
59 | ||
60 | /* There are only four IOCB completion types. */ | |
61 | typedef enum _lpfc_iocb_type { | |
62 | LPFC_UNKNOWN_IOCB, | |
63 | LPFC_UNSOL_IOCB, | |
64 | LPFC_SOL_IOCB, | |
65 | LPFC_ABORT_IOCB | |
66 | } lpfc_iocb_type; | |
67 | ||
0bd4ca25 JSEC |
68 | struct lpfc_iocbq * |
69 | lpfc_sli_get_iocbq(struct lpfc_hba * phba) | |
70 | { | |
71 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
72 | struct lpfc_iocbq * iocbq = NULL; | |
73 | ||
74 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); | |
75 | return iocbq; | |
76 | } | |
77 | ||
604a3e30 JB |
78 | void |
79 | lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) | |
80 | { | |
81 | size_t start_clean = (size_t)(&((struct lpfc_iocbq *)NULL)->iocb); | |
82 | ||
83 | /* | |
84 | * Clean all volatile data fields, preserve iotag and node struct. | |
85 | */ | |
86 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
87 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); | |
88 | } | |
89 | ||
dea3101e | 90 | /* |
91 | * Translate the iocb command to an iocb command type used to decide the final | |
92 | * disposition of each completed IOCB. | |
93 | */ | |
94 | static lpfc_iocb_type | |
95 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
96 | { | |
97 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
98 | ||
99 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
100 | return 0; | |
101 | ||
102 | switch (iocb_cmnd) { | |
103 | case CMD_XMIT_SEQUENCE_CR: | |
104 | case CMD_XMIT_SEQUENCE_CX: | |
105 | case CMD_XMIT_BCAST_CN: | |
106 | case CMD_XMIT_BCAST_CX: | |
107 | case CMD_ELS_REQUEST_CR: | |
108 | case CMD_ELS_REQUEST_CX: | |
109 | case CMD_CREATE_XRI_CR: | |
110 | case CMD_CREATE_XRI_CX: | |
111 | case CMD_GET_RPI_CN: | |
112 | case CMD_XMIT_ELS_RSP_CX: | |
113 | case CMD_GET_RPI_CR: | |
114 | case CMD_FCP_IWRITE_CR: | |
115 | case CMD_FCP_IWRITE_CX: | |
116 | case CMD_FCP_IREAD_CR: | |
117 | case CMD_FCP_IREAD_CX: | |
118 | case CMD_FCP_ICMND_CR: | |
119 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
120 | case CMD_FCP_TSEND_CX: |
121 | case CMD_FCP_TRSP_CX: | |
122 | case CMD_FCP_TRECEIVE_CX: | |
123 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e | 124 | case CMD_ADAPTER_MSG: |
125 | case CMD_ADAPTER_DUMP: | |
126 | case CMD_XMIT_SEQUENCE64_CR: | |
127 | case CMD_XMIT_SEQUENCE64_CX: | |
128 | case CMD_XMIT_BCAST64_CN: | |
129 | case CMD_XMIT_BCAST64_CX: | |
130 | case CMD_ELS_REQUEST64_CR: | |
131 | case CMD_ELS_REQUEST64_CX: | |
132 | case CMD_FCP_IWRITE64_CR: | |
133 | case CMD_FCP_IWRITE64_CX: | |
134 | case CMD_FCP_IREAD64_CR: | |
135 | case CMD_FCP_IREAD64_CX: | |
136 | case CMD_FCP_ICMND64_CR: | |
137 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
138 | case CMD_FCP_TSEND64_CX: |
139 | case CMD_FCP_TRSP64_CX: | |
140 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e | 141 | case CMD_GEN_REQUEST64_CR: |
142 | case CMD_GEN_REQUEST64_CX: | |
143 | case CMD_XMIT_ELS_RSP64_CX: | |
144 | type = LPFC_SOL_IOCB; | |
145 | break; | |
146 | case CMD_ABORT_XRI_CN: | |
147 | case CMD_ABORT_XRI_CX: | |
148 | case CMD_CLOSE_XRI_CN: | |
149 | case CMD_CLOSE_XRI_CX: | |
150 | case CMD_XRI_ABORTED_CX: | |
151 | case CMD_ABORT_MXRI64_CN: | |
152 | type = LPFC_ABORT_IOCB; | |
153 | break; | |
154 | case CMD_RCV_SEQUENCE_CX: | |
155 | case CMD_RCV_ELS_REQ_CX: | |
156 | case CMD_RCV_SEQUENCE64_CX: | |
157 | case CMD_RCV_ELS_REQ64_CX: | |
158 | type = LPFC_UNSOL_IOCB; | |
159 | break; | |
160 | default: | |
161 | type = LPFC_UNKNOWN_IOCB; | |
162 | break; | |
163 | } | |
164 | ||
165 | return type; | |
166 | } | |
167 | ||
168 | static int | |
169 | lpfc_sli_ring_map(struct lpfc_hba * phba, LPFC_MBOXQ_t *pmb) | |
170 | { | |
171 | struct lpfc_sli *psli = &phba->sli; | |
172 | MAILBOX_t *pmbox = &pmb->mb; | |
173 | int i, rc; | |
174 | ||
175 | for (i = 0; i < psli->num_rings; i++) { | |
176 | phba->hba_state = LPFC_INIT_MBX_CMDS; | |
177 | lpfc_config_ring(phba, i, pmb); | |
178 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
179 | if (rc != MBX_SUCCESS) { | |
180 | lpfc_printf_log(phba, | |
181 | KERN_ERR, | |
182 | LOG_INIT, | |
183 | "%d:0446 Adapter failed to init, " | |
184 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " | |
185 | "ring %d\n", | |
186 | phba->brd_no, | |
187 | pmbox->mbxCommand, | |
188 | pmbox->mbxStatus, | |
189 | i); | |
190 | phba->hba_state = LPFC_HBA_ERROR; | |
191 | return -ENXIO; | |
192 | } | |
193 | } | |
194 | return 0; | |
195 | } | |
196 | ||
197 | static int | |
198 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba, | |
199 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb) | |
200 | { | |
dea3101e | 201 | list_add_tail(&piocb->list, &pring->txcmplq); |
202 | pring->txcmplq_cnt++; | |
203 | if (unlikely(pring->ringno == LPFC_ELS_RING)) | |
204 | mod_timer(&phba->els_tmofunc, | |
205 | jiffies + HZ * (phba->fc_ratov << 1)); | |
206 | ||
dea3101e | 207 | return (0); |
208 | } | |
209 | ||
210 | static struct lpfc_iocbq * | |
211 | lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) | |
212 | { | |
213 | struct list_head *dlp; | |
214 | struct lpfc_iocbq *cmd_iocb; | |
215 | ||
216 | dlp = &pring->txq; | |
217 | cmd_iocb = NULL; | |
218 | list_remove_head((&pring->txq), cmd_iocb, | |
219 | struct lpfc_iocbq, | |
220 | list); | |
221 | if (cmd_iocb) { | |
222 | /* If the first ptr is not equal to the list header, | |
223 | * deque the IOCBQ_t and return it. | |
224 | */ | |
225 | pring->txq_cnt--; | |
226 | } | |
227 | return (cmd_iocb); | |
228 | } | |
229 | ||
230 | static IOCB_t * | |
231 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
232 | { | |
4cc2da1d | 233 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
dea3101e | 234 | uint32_t max_cmd_idx = pring->numCiocb; |
235 | IOCB_t *iocb = NULL; | |
236 | ||
237 | if ((pring->next_cmdidx == pring->cmdidx) && | |
238 | (++pring->next_cmdidx >= max_cmd_idx)) | |
239 | pring->next_cmdidx = 0; | |
240 | ||
241 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { | |
242 | ||
243 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
244 | ||
245 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { | |
246 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
247 | "%d:0315 Ring %d issue: portCmdGet %d " | |
248 | "is bigger then cmd ring %d\n", | |
249 | phba->brd_no, pring->ringno, | |
250 | pring->local_getidx, max_cmd_idx); | |
251 | ||
252 | phba->hba_state = LPFC_HBA_ERROR; | |
253 | /* | |
254 | * All error attention handlers are posted to | |
255 | * worker thread | |
256 | */ | |
257 | phba->work_ha |= HA_ERATT; | |
258 | phba->work_hs = HS_FFER3; | |
259 | if (phba->work_wait) | |
260 | wake_up(phba->work_wait); | |
261 | ||
262 | return NULL; | |
263 | } | |
264 | ||
265 | if (pring->local_getidx == pring->next_cmdidx) | |
266 | return NULL; | |
267 | } | |
268 | ||
269 | iocb = IOCB_ENTRY(pring->cmdringaddr, pring->cmdidx); | |
270 | ||
271 | return iocb; | |
272 | } | |
273 | ||
604a3e30 JB |
274 | uint16_t |
275 | lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) | |
dea3101e | 276 | { |
604a3e30 JB |
277 | struct lpfc_iocbq ** new_arr; |
278 | struct lpfc_iocbq ** old_arr; | |
279 | size_t new_len; | |
280 | struct lpfc_sli *psli = &phba->sli; | |
281 | uint16_t iotag; | |
dea3101e | 282 | |
604a3e30 JB |
283 | spin_lock_irq(phba->host->host_lock); |
284 | iotag = psli->last_iotag; | |
285 | if(++iotag < psli->iocbq_lookup_len) { | |
286 | psli->last_iotag = iotag; | |
287 | psli->iocbq_lookup[iotag] = iocbq; | |
288 | spin_unlock_irq(phba->host->host_lock); | |
289 | iocbq->iotag = iotag; | |
290 | return iotag; | |
291 | } | |
292 | else if (psli->iocbq_lookup_len < (0xffff | |
293 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { | |
294 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
295 | spin_unlock_irq(phba->host->host_lock); | |
296 | new_arr = kmalloc(new_len * sizeof (struct lpfc_iocbq *), | |
297 | GFP_KERNEL); | |
298 | if (new_arr) { | |
299 | memset((char *)new_arr, 0, | |
300 | new_len * sizeof (struct lpfc_iocbq *)); | |
301 | spin_lock_irq(phba->host->host_lock); | |
302 | old_arr = psli->iocbq_lookup; | |
303 | if (new_len <= psli->iocbq_lookup_len) { | |
304 | /* highly unprobable case */ | |
305 | kfree(new_arr); | |
306 | iotag = psli->last_iotag; | |
307 | if(++iotag < psli->iocbq_lookup_len) { | |
308 | psli->last_iotag = iotag; | |
309 | psli->iocbq_lookup[iotag] = iocbq; | |
310 | spin_unlock_irq(phba->host->host_lock); | |
311 | iocbq->iotag = iotag; | |
312 | return iotag; | |
313 | } | |
314 | spin_unlock_irq(phba->host->host_lock); | |
315 | return 0; | |
316 | } | |
317 | if (psli->iocbq_lookup) | |
318 | memcpy(new_arr, old_arr, | |
319 | ((psli->last_iotag + 1) * | |
320 | sizeof (struct lpfc_iocbq *))); | |
321 | psli->iocbq_lookup = new_arr; | |
322 | psli->iocbq_lookup_len = new_len; | |
323 | psli->last_iotag = iotag; | |
324 | psli->iocbq_lookup[iotag] = iocbq; | |
325 | spin_unlock_irq(phba->host->host_lock); | |
326 | iocbq->iotag = iotag; | |
327 | kfree(old_arr); | |
328 | return iotag; | |
329 | } | |
8f6d98d2 JS |
330 | } else |
331 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 332 | |
604a3e30 JB |
333 | lpfc_printf_log(phba, KERN_ERR,LOG_SLI, |
334 | "%d:0318 Failed to allocate IOTAG.last IOTAG is %d\n", | |
335 | phba->brd_no, psli->last_iotag); | |
dea3101e | 336 | |
604a3e30 | 337 | return 0; |
dea3101e | 338 | } |
339 | ||
340 | static void | |
341 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
342 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
343 | { | |
344 | /* | |
604a3e30 | 345 | * Set up an iotag |
dea3101e | 346 | */ |
604a3e30 | 347 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 348 | |
349 | /* | |
350 | * Issue iocb command to adapter | |
351 | */ | |
352 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, sizeof (IOCB_t)); | |
353 | wmb(); | |
354 | pring->stats.iocb_cmd++; | |
355 | ||
356 | /* | |
357 | * If there is no completion routine to call, we can release the | |
358 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
359 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
360 | */ | |
361 | if (nextiocb->iocb_cmpl) | |
362 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 JB |
363 | else |
364 | lpfc_sli_release_iocbq(phba, nextiocb); | |
dea3101e | 365 | |
366 | /* | |
367 | * Let the HBA know what IOCB slot will be the next one the | |
368 | * driver will put a command into. | |
369 | */ | |
370 | pring->cmdidx = pring->next_cmdidx; | |
f91b392c | 371 | writel(pring->cmdidx, phba->MBslimaddr |
dea3101e | 372 | + (SLIMOFF + (pring->ringno * 2)) * 4); |
373 | } | |
374 | ||
375 | static void | |
376 | lpfc_sli_update_full_ring(struct lpfc_hba * phba, | |
377 | struct lpfc_sli_ring *pring) | |
378 | { | |
379 | int ringno = pring->ringno; | |
380 | ||
381 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
382 | ||
383 | wmb(); | |
384 | ||
385 | /* | |
386 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
387 | * The HBA will tell us when an IOCB entry is available. | |
388 | */ | |
389 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
390 | readl(phba->CAregaddr); /* flush */ | |
391 | ||
392 | pring->stats.iocb_cmd_full++; | |
393 | } | |
394 | ||
395 | static void | |
396 | lpfc_sli_update_ring(struct lpfc_hba * phba, | |
397 | struct lpfc_sli_ring *pring) | |
398 | { | |
399 | int ringno = pring->ringno; | |
400 | ||
401 | /* | |
402 | * Tell the HBA that there is work to do in this ring. | |
403 | */ | |
404 | wmb(); | |
405 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
406 | readl(phba->CAregaddr); /* flush */ | |
407 | } | |
408 | ||
409 | static void | |
410 | lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) | |
411 | { | |
412 | IOCB_t *iocb; | |
413 | struct lpfc_iocbq *nextiocb; | |
414 | ||
415 | /* | |
416 | * Check to see if: | |
417 | * (a) there is anything on the txq to send | |
418 | * (b) link is up | |
419 | * (c) link attention events can be processed (fcp ring only) | |
420 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
421 | */ | |
422 | if (pring->txq_cnt && | |
423 | (phba->hba_state > LPFC_LINK_DOWN) && | |
424 | (pring->ringno != phba->sli.fcp_ring || | |
425 | phba->sli.sli_flag & LPFC_PROCESS_LA) && | |
426 | !(pring->flag & LPFC_STOP_IOCB_MBX)) { | |
427 | ||
428 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
429 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
430 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
431 | ||
432 | if (iocb) | |
433 | lpfc_sli_update_ring(phba, pring); | |
434 | else | |
435 | lpfc_sli_update_full_ring(phba, pring); | |
436 | } | |
437 | ||
438 | return; | |
439 | } | |
440 | ||
441 | /* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ | |
442 | static void | |
443 | lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno) | |
444 | { | |
4cc2da1d | 445 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[ringno]; |
dea3101e | 446 | |
447 | /* If the ring is active, flag it */ | |
448 | if (phba->sli.ring[ringno].cmdringaddr) { | |
449 | if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { | |
450 | phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; | |
451 | /* | |
452 | * Force update of the local copy of cmdGetInx | |
453 | */ | |
454 | phba->sli.ring[ringno].local_getidx | |
455 | = le32_to_cpu(pgp->cmdGetInx); | |
456 | spin_lock_irq(phba->host->host_lock); | |
457 | lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); | |
458 | spin_unlock_irq(phba->host->host_lock); | |
459 | } | |
460 | } | |
461 | } | |
462 | ||
463 | static int | |
464 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
465 | { | |
466 | uint8_t ret; | |
467 | ||
468 | switch (mbxCommand) { | |
469 | case MBX_LOAD_SM: | |
470 | case MBX_READ_NV: | |
471 | case MBX_WRITE_NV: | |
472 | case MBX_RUN_BIU_DIAG: | |
473 | case MBX_INIT_LINK: | |
474 | case MBX_DOWN_LINK: | |
475 | case MBX_CONFIG_LINK: | |
476 | case MBX_CONFIG_RING: | |
477 | case MBX_RESET_RING: | |
478 | case MBX_READ_CONFIG: | |
479 | case MBX_READ_RCONFIG: | |
480 | case MBX_READ_SPARM: | |
481 | case MBX_READ_STATUS: | |
482 | case MBX_READ_RPI: | |
483 | case MBX_READ_XRI: | |
484 | case MBX_READ_REV: | |
485 | case MBX_READ_LNK_STAT: | |
486 | case MBX_REG_LOGIN: | |
487 | case MBX_UNREG_LOGIN: | |
488 | case MBX_READ_LA: | |
489 | case MBX_CLEAR_LA: | |
490 | case MBX_DUMP_MEMORY: | |
491 | case MBX_DUMP_CONTEXT: | |
492 | case MBX_RUN_DIAGS: | |
493 | case MBX_RESTART: | |
494 | case MBX_UPDATE_CFG: | |
495 | case MBX_DOWN_LOAD: | |
496 | case MBX_DEL_LD_ENTRY: | |
497 | case MBX_RUN_PROGRAM: | |
498 | case MBX_SET_MASK: | |
499 | case MBX_SET_SLIM: | |
500 | case MBX_UNREG_D_ID: | |
41415862 | 501 | case MBX_KILL_BOARD: |
dea3101e | 502 | case MBX_CONFIG_FARP: |
41415862 | 503 | case MBX_BEACON: |
dea3101e | 504 | case MBX_LOAD_AREA: |
505 | case MBX_RUN_BIU_DIAG64: | |
506 | case MBX_CONFIG_PORT: | |
507 | case MBX_READ_SPARM64: | |
508 | case MBX_READ_RPI64: | |
509 | case MBX_REG_LOGIN64: | |
510 | case MBX_READ_LA64: | |
511 | case MBX_FLASH_WR_ULA: | |
512 | case MBX_SET_DEBUG: | |
513 | case MBX_LOAD_EXP_ROM: | |
514 | ret = mbxCommand; | |
515 | break; | |
516 | default: | |
517 | ret = MBX_SHUTDOWN; | |
518 | break; | |
519 | } | |
520 | return (ret); | |
521 | } | |
522 | static void | |
523 | lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
524 | { | |
525 | wait_queue_head_t *pdone_q; | |
526 | ||
527 | /* | |
528 | * If pdone_q is empty, the driver thread gave up waiting and | |
529 | * continued running. | |
530 | */ | |
7054a606 | 531 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
dea3101e | 532 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
533 | if (pdone_q) | |
534 | wake_up_interruptible(pdone_q); | |
535 | return; | |
536 | } | |
537 | ||
538 | void | |
539 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
540 | { | |
541 | struct lpfc_dmabuf *mp; | |
7054a606 JS |
542 | uint16_t rpi; |
543 | int rc; | |
544 | ||
dea3101e | 545 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
7054a606 | 546 | |
dea3101e | 547 | if (mp) { |
548 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
549 | kfree(mp); | |
550 | } | |
7054a606 JS |
551 | |
552 | /* | |
553 | * If a REG_LOGIN succeeded after node is destroyed or node | |
554 | * is in re-discovery driver need to cleanup the RPI. | |
555 | */ | |
556 | if (!(phba->fc_flag & FC_UNLOADING) && | |
557 | (pmb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
558 | (!pmb->mb.mbxStatus)) { | |
559 | ||
560 | rpi = pmb->mb.un.varWords[0]; | |
561 | lpfc_unreg_login(phba, rpi, pmb); | |
562 | pmb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
563 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
564 | if (rc != MBX_NOT_FINISHED) | |
565 | return; | |
566 | } | |
567 | ||
dea3101e | 568 | mempool_free( pmb, phba->mbox_mem_pool); |
569 | return; | |
570 | } | |
571 | ||
572 | int | |
573 | lpfc_sli_handle_mb_event(struct lpfc_hba * phba) | |
574 | { | |
575 | MAILBOX_t *mbox; | |
576 | MAILBOX_t *pmbox; | |
577 | LPFC_MBOXQ_t *pmb; | |
578 | struct lpfc_sli *psli; | |
579 | int i, rc; | |
580 | uint32_t process_next; | |
581 | ||
582 | psli = &phba->sli; | |
583 | /* We should only get here if we are in SLI2 mode */ | |
584 | if (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE)) { | |
585 | return (1); | |
586 | } | |
587 | ||
588 | phba->sli.slistat.mbox_event++; | |
589 | ||
590 | /* Get a Mailbox buffer to setup mailbox commands for callback */ | |
591 | if ((pmb = phba->sli.mbox_active)) { | |
592 | pmbox = &pmb->mb; | |
4cc2da1d | 593 | mbox = &phba->slim2p->mbx; |
dea3101e | 594 | |
595 | /* First check out the status word */ | |
596 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t)); | |
597 | ||
598 | /* Sanity check to ensure the host owns the mailbox */ | |
599 | if (pmbox->mbxOwner != OWN_HOST) { | |
600 | /* Lets try for a while */ | |
601 | for (i = 0; i < 10240; i++) { | |
602 | /* First copy command data */ | |
603 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
604 | sizeof (uint32_t)); | |
605 | if (pmbox->mbxOwner == OWN_HOST) | |
606 | goto mbout; | |
607 | } | |
608 | /* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus | |
609 | <status> */ | |
610 | lpfc_printf_log(phba, | |
b4c02652 | 611 | KERN_WARNING, |
dea3101e | 612 | LOG_MBOX | LOG_SLI, |
613 | "%d:0304 Stray Mailbox Interrupt " | |
614 | "mbxCommand x%x mbxStatus x%x\n", | |
615 | phba->brd_no, | |
616 | pmbox->mbxCommand, | |
617 | pmbox->mbxStatus); | |
618 | ||
619 | spin_lock_irq(phba->host->host_lock); | |
620 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
621 | spin_unlock_irq(phba->host->host_lock); | |
622 | return (1); | |
623 | } | |
624 | ||
625 | mbout: | |
626 | del_timer_sync(&phba->sli.mbox_tmo); | |
627 | phba->work_hba_events &= ~WORKER_MBOX_TMO; | |
628 | ||
629 | /* | |
630 | * It is a fatal error if unknown mbox command completion. | |
631 | */ | |
632 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
633 | MBX_SHUTDOWN) { | |
634 | ||
635 | /* Unknow mailbox command compl */ | |
636 | lpfc_printf_log(phba, | |
637 | KERN_ERR, | |
638 | LOG_MBOX | LOG_SLI, | |
639 | "%d:0323 Unknown Mailbox command %x Cmpl\n", | |
640 | phba->brd_no, | |
641 | pmbox->mbxCommand); | |
642 | phba->hba_state = LPFC_HBA_ERROR; | |
643 | phba->work_hs = HS_FFER3; | |
644 | lpfc_handle_eratt(phba); | |
645 | return (0); | |
646 | } | |
647 | ||
648 | phba->sli.mbox_active = NULL; | |
649 | if (pmbox->mbxStatus) { | |
650 | phba->sli.slistat.mbox_stat_err++; | |
651 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
652 | /* Mbox cmd cmpl error - RETRYing */ | |
653 | lpfc_printf_log(phba, | |
654 | KERN_INFO, | |
655 | LOG_MBOX | LOG_SLI, | |
656 | "%d:0305 Mbox cmd cmpl error - " | |
657 | "RETRYing Data: x%x x%x x%x x%x\n", | |
658 | phba->brd_no, | |
659 | pmbox->mbxCommand, | |
660 | pmbox->mbxStatus, | |
661 | pmbox->un.varWords[0], | |
662 | phba->hba_state); | |
663 | pmbox->mbxStatus = 0; | |
664 | pmbox->mbxOwner = OWN_HOST; | |
665 | spin_lock_irq(phba->host->host_lock); | |
666 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
667 | spin_unlock_irq(phba->host->host_lock); | |
668 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
669 | if (rc == MBX_SUCCESS) | |
670 | return (0); | |
671 | } | |
672 | } | |
673 | ||
674 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
675 | lpfc_printf_log(phba, | |
676 | KERN_INFO, | |
677 | LOG_MBOX | LOG_SLI, | |
678 | "%d:0307 Mailbox cmd x%x Cmpl x%p " | |
679 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", | |
680 | phba->brd_no, | |
681 | pmbox->mbxCommand, | |
682 | pmb->mbox_cmpl, | |
683 | *((uint32_t *) pmbox), | |
684 | pmbox->un.varWords[0], | |
685 | pmbox->un.varWords[1], | |
686 | pmbox->un.varWords[2], | |
687 | pmbox->un.varWords[3], | |
688 | pmbox->un.varWords[4], | |
689 | pmbox->un.varWords[5], | |
690 | pmbox->un.varWords[6], | |
691 | pmbox->un.varWords[7]); | |
692 | ||
693 | if (pmb->mbox_cmpl) { | |
694 | lpfc_sli_pcimem_bcopy(mbox, pmbox, MAILBOX_CMD_SIZE); | |
695 | pmb->mbox_cmpl(phba,pmb); | |
696 | } | |
697 | } | |
698 | ||
699 | ||
700 | do { | |
701 | process_next = 0; /* by default don't loop */ | |
702 | spin_lock_irq(phba->host->host_lock); | |
703 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
704 | ||
705 | /* Process next mailbox command if there is one */ | |
706 | if ((pmb = lpfc_mbox_get(phba))) { | |
707 | spin_unlock_irq(phba->host->host_lock); | |
708 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
709 | if (rc == MBX_NOT_FINISHED) { | |
710 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; | |
711 | pmb->mbox_cmpl(phba,pmb); | |
712 | process_next = 1; | |
713 | continue; /* loop back */ | |
714 | } | |
715 | } else { | |
716 | spin_unlock_irq(phba->host->host_lock); | |
717 | /* Turn on IOCB processing */ | |
1dcb58e5 | 718 | for (i = 0; i < phba->sli.num_rings; i++) |
dea3101e | 719 | lpfc_sli_turn_on_ring(phba, i); |
dea3101e | 720 | } |
721 | ||
722 | } while (process_next); | |
723 | ||
724 | return (0); | |
725 | } | |
726 | static int | |
727 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
728 | struct lpfc_iocbq *saveq) | |
729 | { | |
730 | IOCB_t * irsp; | |
731 | WORD5 * w5p; | |
732 | uint32_t Rctl, Type; | |
733 | uint32_t match, i; | |
734 | ||
735 | match = 0; | |
736 | irsp = &(saveq->iocb); | |
737 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) | |
738 | || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)) { | |
739 | Rctl = FC_ELS_REQ; | |
740 | Type = FC_ELS_DATA; | |
741 | } else { | |
742 | w5p = | |
743 | (WORD5 *) & (saveq->iocb.un. | |
744 | ulpWord[5]); | |
745 | Rctl = w5p->hcsw.Rctl; | |
746 | Type = w5p->hcsw.Type; | |
747 | ||
748 | /* Firmware Workaround */ | |
749 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
750 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX)) { | |
751 | Rctl = FC_ELS_REQ; | |
752 | Type = FC_ELS_DATA; | |
753 | w5p->hcsw.Rctl = Rctl; | |
754 | w5p->hcsw.Type = Type; | |
755 | } | |
756 | } | |
757 | /* unSolicited Responses */ | |
758 | if (pring->prt[0].profile) { | |
cf5bf97e JW |
759 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) |
760 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
761 | saveq); | |
dea3101e | 762 | match = 1; |
763 | } else { | |
764 | /* We must search, based on rctl / type | |
765 | for the right routine */ | |
766 | for (i = 0; i < pring->num_mask; | |
767 | i++) { | |
768 | if ((pring->prt[i].rctl == | |
769 | Rctl) | |
770 | && (pring->prt[i]. | |
771 | type == Type)) { | |
cf5bf97e JW |
772 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) |
773 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
774 | (phba, pring, saveq); | |
dea3101e | 775 | match = 1; |
776 | break; | |
777 | } | |
778 | } | |
779 | } | |
780 | if (match == 0) { | |
781 | /* Unexpected Rctl / Type received */ | |
782 | /* Ring <ringno> handler: unexpected | |
783 | Rctl <Rctl> Type <Type> received */ | |
784 | lpfc_printf_log(phba, | |
785 | KERN_WARNING, | |
786 | LOG_SLI, | |
787 | "%d:0313 Ring %d handler: unexpected Rctl x%x " | |
788 | "Type x%x received \n", | |
789 | phba->brd_no, | |
790 | pring->ringno, | |
791 | Rctl, | |
792 | Type); | |
793 | } | |
794 | return(1); | |
795 | } | |
796 | ||
797 | static struct lpfc_iocbq * | |
604a3e30 JB |
798 | lpfc_sli_iocbq_lookup(struct lpfc_hba * phba, |
799 | struct lpfc_sli_ring * pring, | |
800 | struct lpfc_iocbq * prspiocb) | |
dea3101e | 801 | { |
dea3101e | 802 | struct lpfc_iocbq *cmd_iocb = NULL; |
803 | uint16_t iotag; | |
804 | ||
604a3e30 JB |
805 | iotag = prspiocb->iocb.ulpIoTag; |
806 | ||
807 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
808 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
809 | list_del(&cmd_iocb->list); | |
810 | pring->txcmplq_cnt--; | |
811 | return cmd_iocb; | |
dea3101e | 812 | } |
813 | ||
dea3101e | 814 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
604a3e30 JB |
815 | "%d:0317 iotag x%x is out off " |
816 | "range: max iotag x%x wd0 x%x\n", | |
817 | phba->brd_no, iotag, | |
818 | phba->sli.last_iotag, | |
819 | *(((uint32_t *) &prspiocb->iocb) + 7)); | |
dea3101e | 820 | return NULL; |
821 | } | |
822 | ||
823 | static int | |
824 | lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, | |
825 | struct lpfc_iocbq *saveq) | |
826 | { | |
827 | struct lpfc_iocbq * cmdiocbp; | |
828 | int rc = 1; | |
829 | unsigned long iflag; | |
830 | ||
831 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
832 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
604a3e30 | 833 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
dea3101e | 834 | if (cmdiocbp) { |
835 | if (cmdiocbp->iocb_cmpl) { | |
836 | /* | |
837 | * Post all ELS completions to the worker thread. | |
838 | * All other are passed to the completion callback. | |
839 | */ | |
840 | if (pring->ringno == LPFC_ELS_RING) { | |
07951076 JS |
841 | if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) { |
842 | cmdiocbp->iocb_flag &= | |
843 | ~LPFC_DRIVER_ABORTED; | |
844 | saveq->iocb.ulpStatus = | |
845 | IOSTAT_LOCAL_REJECT; | |
846 | saveq->iocb.un.ulpWord[4] = | |
847 | IOERR_SLI_ABORTED; | |
848 | } | |
dea3101e | 849 | spin_unlock_irqrestore(phba->host->host_lock, |
850 | iflag); | |
851 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); | |
852 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
853 | } | |
854 | else { | |
dea3101e | 855 | spin_unlock_irqrestore(phba->host->host_lock, |
856 | iflag); | |
857 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); | |
858 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
859 | } | |
604a3e30 JB |
860 | } else |
861 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e | 862 | } else { |
863 | /* | |
864 | * Unknown initiating command based on the response iotag. | |
865 | * This could be the case on the ELS ring because of | |
866 | * lpfc_els_abort(). | |
867 | */ | |
868 | if (pring->ringno != LPFC_ELS_RING) { | |
869 | /* | |
870 | * Ring <ringno> handler: unexpected completion IoTag | |
871 | * <IoTag> | |
872 | */ | |
873 | lpfc_printf_log(phba, | |
874 | KERN_WARNING, | |
875 | LOG_SLI, | |
876 | "%d:0322 Ring %d handler: unexpected " | |
877 | "completion IoTag x%x Data: x%x x%x x%x x%x\n", | |
878 | phba->brd_no, | |
879 | pring->ringno, | |
880 | saveq->iocb.ulpIoTag, | |
881 | saveq->iocb.ulpStatus, | |
882 | saveq->iocb.un.ulpWord[4], | |
883 | saveq->iocb.ulpCommand, | |
884 | saveq->iocb.ulpContext); | |
885 | } | |
886 | } | |
68876920 | 887 | |
dea3101e | 888 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
889 | return rc; | |
890 | } | |
891 | ||
875fbdfe JSEC |
892 | static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, |
893 | struct lpfc_sli_ring * pring) | |
894 | { | |
895 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
896 | /* | |
897 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then | |
898 | * rsp ring <portRspMax> | |
899 | */ | |
900 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
901 | "%d:0312 Ring %d handler: portRspPut %d " | |
902 | "is bigger then rsp ring %d\n", | |
903 | phba->brd_no, pring->ringno, | |
904 | le32_to_cpu(pgp->rspPutInx), | |
905 | pring->numRiocb); | |
906 | ||
907 | phba->hba_state = LPFC_HBA_ERROR; | |
908 | ||
909 | /* | |
910 | * All error attention handlers are posted to | |
911 | * worker thread | |
912 | */ | |
913 | phba->work_ha |= HA_ERATT; | |
914 | phba->work_hs = HS_FFER3; | |
915 | if (phba->work_wait) | |
916 | wake_up(phba->work_wait); | |
917 | ||
918 | return; | |
919 | } | |
920 | ||
921 | void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) | |
922 | { | |
923 | struct lpfc_sli * psli = &phba->sli; | |
924 | struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING]; | |
925 | IOCB_t *irsp = NULL; | |
926 | IOCB_t *entry = NULL; | |
927 | struct lpfc_iocbq *cmdiocbq = NULL; | |
928 | struct lpfc_iocbq rspiocbq; | |
929 | struct lpfc_pgp *pgp; | |
930 | uint32_t status; | |
931 | uint32_t portRspPut, portRspMax; | |
932 | int type; | |
933 | uint32_t rsp_cmpl = 0; | |
934 | void __iomem *to_slim; | |
935 | uint32_t ha_copy; | |
936 | ||
937 | pring->stats.iocb_event++; | |
938 | ||
939 | /* The driver assumes SLI-2 mode */ | |
940 | pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
941 | ||
942 | /* | |
943 | * The next available response entry should never exceed the maximum | |
944 | * entries. If it does, treat it as an adapter hardware error. | |
945 | */ | |
946 | portRspMax = pring->numRiocb; | |
947 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
948 | if (unlikely(portRspPut >= portRspMax)) { | |
949 | lpfc_sli_rsp_pointers_error(phba, pring); | |
950 | return; | |
951 | } | |
952 | ||
953 | rmb(); | |
954 | while (pring->rspidx != portRspPut) { | |
955 | ||
956 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); | |
957 | ||
958 | if (++pring->rspidx >= portRspMax) | |
959 | pring->rspidx = 0; | |
960 | ||
961 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, | |
962 | (uint32_t *) &rspiocbq.iocb, | |
963 | sizeof (IOCB_t)); | |
964 | irsp = &rspiocbq.iocb; | |
965 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); | |
966 | pring->stats.iocb_rsp++; | |
967 | rsp_cmpl++; | |
968 | ||
969 | if (unlikely(irsp->ulpStatus)) { | |
970 | /* Rsp ring <ringno> error: IOCB */ | |
971 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
972 | "%d:0326 Rsp Ring %d error: IOCB Data: " | |
973 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", | |
974 | phba->brd_no, pring->ringno, | |
975 | irsp->un.ulpWord[0], | |
976 | irsp->un.ulpWord[1], | |
977 | irsp->un.ulpWord[2], | |
978 | irsp->un.ulpWord[3], | |
979 | irsp->un.ulpWord[4], | |
980 | irsp->un.ulpWord[5], | |
981 | *(((uint32_t *) irsp) + 6), | |
982 | *(((uint32_t *) irsp) + 7)); | |
983 | } | |
984 | ||
985 | switch (type) { | |
986 | case LPFC_ABORT_IOCB: | |
987 | case LPFC_SOL_IOCB: | |
988 | /* | |
989 | * Idle exchange closed via ABTS from port. No iocb | |
990 | * resources need to be recovered. | |
991 | */ | |
992 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b JS |
993 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
994 | "%d:0314 IOCB cmd 0x%x" | |
995 | " processed. Skipping" | |
996 | " completion", phba->brd_no, | |
997 | irsp->ulpCommand); | |
875fbdfe JSEC |
998 | break; |
999 | } | |
1000 | ||
1001 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, | |
1002 | &rspiocbq); | |
1003 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { | |
1004 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1005 | &rspiocbq); | |
1006 | } | |
1007 | break; | |
1008 | default: | |
1009 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1010 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1011 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
1012 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1013 | MAX_MSG_DATA); | |
1014 | dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", | |
1015 | phba->brd_no, adaptermsg); | |
1016 | } else { | |
1017 | /* Unknown IOCB command */ | |
1018 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
1019 | "%d:0321 Unknown IOCB command " | |
1020 | "Data: x%x, x%x x%x x%x x%x\n", | |
1021 | phba->brd_no, type, | |
1022 | irsp->ulpCommand, | |
1023 | irsp->ulpStatus, | |
1024 | irsp->ulpIoTag, | |
1025 | irsp->ulpContext); | |
1026 | } | |
1027 | break; | |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * The response IOCB has been processed. Update the ring | |
1032 | * pointer in SLIM. If the port response put pointer has not | |
1033 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
1034 | * response put pointer. | |
1035 | */ | |
1036 | to_slim = phba->MBslimaddr + | |
1037 | (SLIMOFF + (pring->ringno * 2) + 1) * 4; | |
1038 | writeb(pring->rspidx, to_slim); | |
1039 | ||
1040 | if (pring->rspidx == portRspPut) | |
1041 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1042 | } | |
1043 | ||
1044 | ha_copy = readl(phba->HAregaddr); | |
1045 | ha_copy >>= (LPFC_FCP_RING * 4); | |
1046 | ||
1047 | if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { | |
1048 | pring->stats.iocb_rsp_full++; | |
1049 | status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); | |
1050 | writel(status, phba->CAregaddr); | |
1051 | readl(phba->CAregaddr); | |
1052 | } | |
1053 | if ((ha_copy & HA_R0CE_RSP) && | |
1054 | (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1055 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1056 | pring->stats.iocb_cmd_empty++; | |
1057 | ||
1058 | /* Force update of the local copy of cmdGetInx */ | |
1059 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1060 | lpfc_sli_resume_iocb(phba, pring); | |
1061 | ||
1062 | if ((pring->lpfc_sli_cmd_available)) | |
1063 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1064 | ||
1065 | } | |
1066 | ||
1067 | return; | |
1068 | } | |
1069 | ||
dea3101e | 1070 | /* |
1071 | * This routine presumes LPFC_FCP_RING handling and doesn't bother | |
1072 | * to check it explicitly. | |
1073 | */ | |
1074 | static int | |
1075 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, | |
1076 | struct lpfc_sli_ring * pring, uint32_t mask) | |
1077 | { | |
4cc2da1d | 1078 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
dea3101e | 1079 | IOCB_t *irsp = NULL; |
87f6eaff | 1080 | IOCB_t *entry = NULL; |
dea3101e | 1081 | struct lpfc_iocbq *cmdiocbq = NULL; |
1082 | struct lpfc_iocbq rspiocbq; | |
dea3101e | 1083 | uint32_t status; |
1084 | uint32_t portRspPut, portRspMax; | |
1085 | int rc = 1; | |
1086 | lpfc_iocb_type type; | |
1087 | unsigned long iflag; | |
1088 | uint32_t rsp_cmpl = 0; | |
1089 | void __iomem *to_slim; | |
1090 | ||
1091 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1092 | pring->stats.iocb_event++; | |
1093 | ||
dea3101e | 1094 | /* |
1095 | * The next available response entry should never exceed the maximum | |
1096 | * entries. If it does, treat it as an adapter hardware error. | |
1097 | */ | |
1098 | portRspMax = pring->numRiocb; | |
1099 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1100 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 1101 | lpfc_sli_rsp_pointers_error(phba, pring); |
dea3101e | 1102 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
1103 | return 1; | |
1104 | } | |
1105 | ||
1106 | rmb(); | |
1107 | while (pring->rspidx != portRspPut) { | |
87f6eaff JSEC |
1108 | /* |
1109 | * Fetch an entry off the ring and copy it into a local data | |
1110 | * structure. The copy involves a byte-swap since the | |
1111 | * network byte order and pci byte orders are different. | |
1112 | */ | |
4a0dfcde | 1113 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
875fbdfe JSEC |
1114 | |
1115 | if (++pring->rspidx >= portRspMax) | |
1116 | pring->rspidx = 0; | |
1117 | ||
87f6eaff JSEC |
1118 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
1119 | (uint32_t *) &rspiocbq.iocb, | |
1120 | sizeof (IOCB_t)); | |
a4bc3379 | 1121 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
1122 | irsp = &rspiocbq.iocb; |
1123 | ||
dea3101e | 1124 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
1125 | pring->stats.iocb_rsp++; | |
1126 | rsp_cmpl++; | |
1127 | ||
1128 | if (unlikely(irsp->ulpStatus)) { | |
1129 | /* Rsp ring <ringno> error: IOCB */ | |
1130 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
dca9479b | 1131 | "%d:0336 Rsp Ring %d error: IOCB Data: " |
dea3101e | 1132 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
1133 | phba->brd_no, pring->ringno, | |
1134 | irsp->un.ulpWord[0], irsp->un.ulpWord[1], | |
1135 | irsp->un.ulpWord[2], irsp->un.ulpWord[3], | |
1136 | irsp->un.ulpWord[4], irsp->un.ulpWord[5], | |
1137 | *(((uint32_t *) irsp) + 6), | |
1138 | *(((uint32_t *) irsp) + 7)); | |
1139 | } | |
1140 | ||
1141 | switch (type) { | |
1142 | case LPFC_ABORT_IOCB: | |
1143 | case LPFC_SOL_IOCB: | |
1144 | /* | |
1145 | * Idle exchange closed via ABTS from port. No iocb | |
1146 | * resources need to be recovered. | |
1147 | */ | |
1148 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b JS |
1149 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
1150 | "%d:0333 IOCB cmd 0x%x" | |
1151 | " processed. Skipping" | |
1152 | " completion\n", phba->brd_no, | |
1153 | irsp->ulpCommand); | |
dea3101e | 1154 | break; |
1155 | } | |
1156 | ||
604a3e30 JB |
1157 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
1158 | &rspiocbq); | |
dea3101e | 1159 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
b808608b JW |
1160 | if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { |
1161 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1162 | &rspiocbq); | |
1163 | } else { | |
1164 | spin_unlock_irqrestore( | |
1165 | phba->host->host_lock, iflag); | |
1166 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1167 | &rspiocbq); | |
1168 | spin_lock_irqsave(phba->host->host_lock, | |
1169 | iflag); | |
1170 | } | |
dea3101e | 1171 | } |
1172 | break; | |
a4bc3379 JS |
1173 | case LPFC_UNSOL_IOCB: |
1174 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1175 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); | |
1176 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1177 | break; | |
dea3101e | 1178 | default: |
1179 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1180 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1181 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
1182 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1183 | MAX_MSG_DATA); | |
1184 | dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", | |
1185 | phba->brd_no, adaptermsg); | |
1186 | } else { | |
1187 | /* Unknown IOCB command */ | |
1188 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
dca9479b | 1189 | "%d:0334 Unknown IOCB command " |
dea3101e | 1190 | "Data: x%x, x%x x%x x%x x%x\n", |
1191 | phba->brd_no, type, irsp->ulpCommand, | |
1192 | irsp->ulpStatus, irsp->ulpIoTag, | |
1193 | irsp->ulpContext); | |
1194 | } | |
1195 | break; | |
1196 | } | |
1197 | ||
1198 | /* | |
1199 | * The response IOCB has been processed. Update the ring | |
1200 | * pointer in SLIM. If the port response put pointer has not | |
1201 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
1202 | * response put pointer. | |
1203 | */ | |
dea3101e | 1204 | to_slim = phba->MBslimaddr + |
1205 | (SLIMOFF + (pring->ringno * 2) + 1) * 4; | |
f91b392c | 1206 | writel(pring->rspidx, to_slim); |
dea3101e | 1207 | |
1208 | if (pring->rspidx == portRspPut) | |
1209 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1210 | } | |
1211 | ||
1212 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
1213 | pring->stats.iocb_rsp_full++; | |
1214 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
1215 | writel(status, phba->CAregaddr); | |
1216 | readl(phba->CAregaddr); | |
1217 | } | |
1218 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1219 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1220 | pring->stats.iocb_cmd_empty++; | |
1221 | ||
1222 | /* Force update of the local copy of cmdGetInx */ | |
1223 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1224 | lpfc_sli_resume_iocb(phba, pring); | |
1225 | ||
1226 | if ((pring->lpfc_sli_cmd_available)) | |
1227 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1228 | ||
1229 | } | |
1230 | ||
1231 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1232 | return rc; | |
1233 | } | |
1234 | ||
1235 | ||
1236 | int | |
1237 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba, | |
1238 | struct lpfc_sli_ring * pring, uint32_t mask) | |
1239 | { | |
1240 | IOCB_t *entry; | |
1241 | IOCB_t *irsp = NULL; | |
1242 | struct lpfc_iocbq *rspiocbp = NULL; | |
1243 | struct lpfc_iocbq *next_iocb; | |
1244 | struct lpfc_iocbq *cmdiocbp; | |
1245 | struct lpfc_iocbq *saveq; | |
4cc2da1d | 1246 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
dea3101e | 1247 | uint8_t iocb_cmd_type; |
1248 | lpfc_iocb_type type; | |
1249 | uint32_t status, free_saveq; | |
1250 | uint32_t portRspPut, portRspMax; | |
1251 | int rc = 1; | |
1252 | unsigned long iflag; | |
1253 | void __iomem *to_slim; | |
1254 | ||
1255 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1256 | pring->stats.iocb_event++; | |
1257 | ||
dea3101e | 1258 | /* |
1259 | * The next available response entry should never exceed the maximum | |
1260 | * entries. If it does, treat it as an adapter hardware error. | |
1261 | */ | |
1262 | portRspMax = pring->numRiocb; | |
1263 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1264 | if (portRspPut >= portRspMax) { | |
1265 | /* | |
1266 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then | |
1267 | * rsp ring <portRspMax> | |
1268 | */ | |
1269 | lpfc_printf_log(phba, | |
1270 | KERN_ERR, | |
1271 | LOG_SLI, | |
dca9479b | 1272 | "%d:0303 Ring %d handler: portRspPut %d " |
dea3101e | 1273 | "is bigger then rsp ring %d\n", |
1274 | phba->brd_no, | |
1275 | pring->ringno, portRspPut, portRspMax); | |
1276 | ||
1277 | phba->hba_state = LPFC_HBA_ERROR; | |
1278 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1279 | ||
1280 | phba->work_hs = HS_FFER3; | |
1281 | lpfc_handle_eratt(phba); | |
1282 | ||
1283 | return 1; | |
1284 | } | |
1285 | ||
1286 | rmb(); | |
dea3101e | 1287 | while (pring->rspidx != portRspPut) { |
1288 | /* | |
1289 | * Build a completion list and call the appropriate handler. | |
1290 | * The process is to get the next available response iocb, get | |
1291 | * a free iocb from the list, copy the response data into the | |
1292 | * free iocb, insert to the continuation list, and update the | |
1293 | * next response index to slim. This process makes response | |
1294 | * iocb's in the ring available to DMA as fast as possible but | |
1295 | * pays a penalty for a copy operation. Since the iocb is | |
1296 | * only 32 bytes, this penalty is considered small relative to | |
1297 | * the PCI reads for register values and a slim write. When | |
1298 | * the ulpLe field is set, the entire Command has been | |
1299 | * received. | |
1300 | */ | |
1301 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); | |
0bd4ca25 | 1302 | rspiocbp = lpfc_sli_get_iocbq(phba); |
dea3101e | 1303 | if (rspiocbp == NULL) { |
1304 | printk(KERN_ERR "%s: out of buffers! Failing " | |
1305 | "completion.\n", __FUNCTION__); | |
1306 | break; | |
1307 | } | |
1308 | ||
1309 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, sizeof (IOCB_t)); | |
1310 | irsp = &rspiocbp->iocb; | |
1311 | ||
1312 | if (++pring->rspidx >= portRspMax) | |
1313 | pring->rspidx = 0; | |
1314 | ||
1315 | to_slim = phba->MBslimaddr + (SLIMOFF + (pring->ringno * 2) | |
1316 | + 1) * 4; | |
f91b392c | 1317 | writel(pring->rspidx, to_slim); |
dea3101e | 1318 | |
1319 | if (list_empty(&(pring->iocb_continueq))) { | |
1320 | list_add(&rspiocbp->list, &(pring->iocb_continueq)); | |
1321 | } else { | |
1322 | list_add_tail(&rspiocbp->list, | |
1323 | &(pring->iocb_continueq)); | |
1324 | } | |
1325 | ||
1326 | pring->iocb_continueq_cnt++; | |
1327 | if (irsp->ulpLe) { | |
1328 | /* | |
1329 | * By default, the driver expects to free all resources | |
1330 | * associated with this iocb completion. | |
1331 | */ | |
1332 | free_saveq = 1; | |
1333 | saveq = list_get_first(&pring->iocb_continueq, | |
1334 | struct lpfc_iocbq, list); | |
1335 | irsp = &(saveq->iocb); | |
1336 | list_del_init(&pring->iocb_continueq); | |
1337 | pring->iocb_continueq_cnt = 0; | |
1338 | ||
1339 | pring->stats.iocb_rsp++; | |
1340 | ||
1341 | if (irsp->ulpStatus) { | |
1342 | /* Rsp ring <ringno> error: IOCB */ | |
1343 | lpfc_printf_log(phba, | |
1344 | KERN_WARNING, | |
1345 | LOG_SLI, | |
1346 | "%d:0328 Rsp Ring %d error: IOCB Data: " | |
1347 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", | |
1348 | phba->brd_no, | |
1349 | pring->ringno, | |
1350 | irsp->un.ulpWord[0], | |
1351 | irsp->un.ulpWord[1], | |
1352 | irsp->un.ulpWord[2], | |
1353 | irsp->un.ulpWord[3], | |
1354 | irsp->un.ulpWord[4], | |
1355 | irsp->un.ulpWord[5], | |
1356 | *(((uint32_t *) irsp) + 6), | |
1357 | *(((uint32_t *) irsp) + 7)); | |
1358 | } | |
1359 | ||
1360 | /* | |
1361 | * Fetch the IOCB command type and call the correct | |
1362 | * completion routine. Solicited and Unsolicited | |
1363 | * IOCBs on the ELS ring get freed back to the | |
1364 | * lpfc_iocb_list by the discovery kernel thread. | |
1365 | */ | |
1366 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
1367 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
1368 | if (type == LPFC_SOL_IOCB) { | |
1369 | spin_unlock_irqrestore(phba->host->host_lock, | |
1370 | iflag); | |
1371 | rc = lpfc_sli_process_sol_iocb(phba, pring, | |
1372 | saveq); | |
1373 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1374 | } else if (type == LPFC_UNSOL_IOCB) { | |
1375 | spin_unlock_irqrestore(phba->host->host_lock, | |
1376 | iflag); | |
1377 | rc = lpfc_sli_process_unsol_iocb(phba, pring, | |
1378 | saveq); | |
1379 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
1380 | } else if (type == LPFC_ABORT_IOCB) { | |
1381 | if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && | |
1382 | ((cmdiocbp = | |
604a3e30 JB |
1383 | lpfc_sli_iocbq_lookup(phba, pring, |
1384 | saveq)))) { | |
dea3101e | 1385 | /* Call the specified completion |
1386 | routine */ | |
1387 | if (cmdiocbp->iocb_cmpl) { | |
1388 | spin_unlock_irqrestore( | |
1389 | phba->host->host_lock, | |
1390 | iflag); | |
1391 | (cmdiocbp->iocb_cmpl) (phba, | |
1392 | cmdiocbp, saveq); | |
1393 | spin_lock_irqsave( | |
1394 | phba->host->host_lock, | |
1395 | iflag); | |
604a3e30 JB |
1396 | } else |
1397 | lpfc_sli_release_iocbq(phba, | |
1398 | cmdiocbp); | |
dea3101e | 1399 | } |
1400 | } else if (type == LPFC_UNKNOWN_IOCB) { | |
1401 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1402 | ||
1403 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1404 | ||
1405 | memset(adaptermsg, 0, | |
1406 | LPFC_MAX_ADPTMSG); | |
1407 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1408 | MAX_MSG_DATA); | |
1409 | dev_warn(&((phba->pcidev)->dev), | |
1410 | "lpfc%d: %s", | |
1411 | phba->brd_no, adaptermsg); | |
1412 | } else { | |
1413 | /* Unknown IOCB command */ | |
1414 | lpfc_printf_log(phba, | |
1415 | KERN_ERR, | |
1416 | LOG_SLI, | |
dca9479b | 1417 | "%d:0335 Unknown IOCB command " |
dea3101e | 1418 | "Data: x%x x%x x%x x%x\n", |
1419 | phba->brd_no, | |
1420 | irsp->ulpCommand, | |
1421 | irsp->ulpStatus, | |
1422 | irsp->ulpIoTag, | |
1423 | irsp->ulpContext); | |
1424 | } | |
1425 | } | |
1426 | ||
1427 | if (free_saveq) { | |
1428 | if (!list_empty(&saveq->list)) { | |
1429 | list_for_each_entry_safe(rspiocbp, | |
1430 | next_iocb, | |
1431 | &saveq->list, | |
1432 | list) { | |
8f6d98d2 | 1433 | list_del(&rspiocbp->list); |
604a3e30 JB |
1434 | lpfc_sli_release_iocbq(phba, |
1435 | rspiocbp); | |
dea3101e | 1436 | } |
1437 | } | |
604a3e30 | 1438 | lpfc_sli_release_iocbq(phba, saveq); |
dea3101e | 1439 | } |
1440 | } | |
1441 | ||
1442 | /* | |
1443 | * If the port response put pointer has not been updated, sync | |
1444 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
1445 | * response put pointer. | |
1446 | */ | |
1447 | if (pring->rspidx == portRspPut) { | |
1448 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1449 | } | |
1450 | } /* while (pring->rspidx != portRspPut) */ | |
1451 | ||
1452 | if ((rspiocbp != 0) && (mask & HA_R0RE_REQ)) { | |
1453 | /* At least one response entry has been freed */ | |
1454 | pring->stats.iocb_rsp_full++; | |
1455 | /* SET RxRE_RSP in Chip Att register */ | |
1456 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
1457 | writel(status, phba->CAregaddr); | |
1458 | readl(phba->CAregaddr); /* flush */ | |
1459 | } | |
1460 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1461 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1462 | pring->stats.iocb_cmd_empty++; | |
1463 | ||
1464 | /* Force update of the local copy of cmdGetInx */ | |
1465 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1466 | lpfc_sli_resume_iocb(phba, pring); | |
1467 | ||
1468 | if ((pring->lpfc_sli_cmd_available)) | |
1469 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1470 | ||
1471 | } | |
1472 | ||
1473 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
1474 | return rc; | |
1475 | } | |
1476 | ||
1477 | int | |
1478 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1479 | { | |
2534ba75 | 1480 | LIST_HEAD(completions); |
dea3101e | 1481 | struct lpfc_iocbq *iocb, *next_iocb; |
2534ba75 | 1482 | IOCB_t *cmd = NULL; |
dea3101e | 1483 | int errcnt; |
dea3101e | 1484 | |
1485 | errcnt = 0; | |
1486 | ||
1487 | /* Error everything on txq and txcmplq | |
1488 | * First do the txq. | |
1489 | */ | |
1490 | spin_lock_irq(phba->host->host_lock); | |
2534ba75 | 1491 | list_splice_init(&pring->txq, &completions); |
dea3101e | 1492 | pring->txq_cnt = 0; |
dea3101e | 1493 | |
1494 | /* Next issue ABTS for everything on the txcmplq */ | |
2534ba75 JS |
1495 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) |
1496 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
dea3101e | 1497 | |
2534ba75 | 1498 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 1499 | |
2534ba75 JS |
1500 | while (!list_empty(&completions)) { |
1501 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
1502 | cmd = &iocb->iocb; | |
1503 | list_del(&iocb->list); | |
dea3101e | 1504 | |
1505 | if (iocb->iocb_cmpl) { | |
1506 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1507 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
dea3101e | 1508 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
604a3e30 JB |
1509 | } else |
1510 | lpfc_sli_release_iocbq(phba, iocb); | |
dea3101e | 1511 | } |
1512 | ||
dea3101e | 1513 | return errcnt; |
1514 | } | |
1515 | ||
41415862 JW |
1516 | int |
1517 | lpfc_sli_brdready(struct lpfc_hba * phba, uint32_t mask) | |
dea3101e | 1518 | { |
41415862 JW |
1519 | uint32_t status; |
1520 | int i = 0; | |
1521 | int retval = 0; | |
dea3101e | 1522 | |
41415862 JW |
1523 | /* Read the HBA Host Status Register */ |
1524 | status = readl(phba->HSregaddr); | |
dea3101e | 1525 | |
41415862 JW |
1526 | /* |
1527 | * Check status register every 100ms for 5 retries, then every | |
1528 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
1529 | * every 2.5 sec for 4. | |
1530 | * Break our of the loop if errors occurred during init. | |
1531 | */ | |
1532 | while (((status & mask) != mask) && | |
1533 | !(status & HS_FFERM) && | |
1534 | i++ < 20) { | |
dea3101e | 1535 | |
41415862 JW |
1536 | if (i <= 5) |
1537 | msleep(10); | |
1538 | else if (i <= 10) | |
1539 | msleep(500); | |
1540 | else | |
1541 | msleep(2500); | |
dea3101e | 1542 | |
41415862 JW |
1543 | if (i == 15) { |
1544 | phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */ | |
1545 | lpfc_sli_brdrestart(phba); | |
1546 | } | |
1547 | /* Read the HBA Host Status Register */ | |
1548 | status = readl(phba->HSregaddr); | |
1549 | } | |
dea3101e | 1550 | |
41415862 JW |
1551 | /* Check to see if any errors occurred during init */ |
1552 | if ((status & HS_FFERM) || (i >= 20)) { | |
1553 | phba->hba_state = LPFC_HBA_ERROR; | |
1554 | retval = 1; | |
dea3101e | 1555 | } |
dea3101e | 1556 | |
41415862 JW |
1557 | return retval; |
1558 | } | |
dea3101e | 1559 | |
9290831f JS |
1560 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
1561 | ||
1562 | void lpfc_reset_barrier(struct lpfc_hba * phba) | |
1563 | { | |
65a29c16 JS |
1564 | uint32_t __iomem *resp_buf; |
1565 | uint32_t __iomem *mbox_buf; | |
9290831f JS |
1566 | volatile uint32_t mbox; |
1567 | uint32_t hc_copy; | |
1568 | int i; | |
1569 | uint8_t hdrtype; | |
1570 | ||
1571 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); | |
1572 | if (hdrtype != 0x80 || | |
1573 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
1574 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
1575 | return; | |
1576 | ||
1577 | /* | |
1578 | * Tell the other part of the chip to suspend temporarily all | |
1579 | * its DMA activity. | |
1580 | */ | |
65a29c16 | 1581 | resp_buf = phba->MBslimaddr; |
9290831f JS |
1582 | |
1583 | /* Disable the error attention */ | |
1584 | hc_copy = readl(phba->HCregaddr); | |
1585 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); | |
1586 | readl(phba->HCregaddr); /* flush */ | |
ebdbe65f | 1587 | phba->fc_flag |= FC_IGNORE_ERATT; |
9290831f JS |
1588 | |
1589 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
1590 | /* Clear Chip error bit */ | |
1591 | writel(HA_ERATT, phba->HAregaddr); | |
1592 | phba->stopped = 1; | |
1593 | } | |
1594 | ||
1595 | mbox = 0; | |
1596 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
1597 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
1598 | ||
1599 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 1600 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
1601 | writel(mbox, mbox_buf); |
1602 | ||
1603 | for (i = 0; | |
1604 | readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++) | |
1605 | mdelay(1); | |
1606 | ||
1607 | if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) { | |
1608 | if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE || | |
1609 | phba->stopped) | |
1610 | goto restore_hc; | |
1611 | else | |
1612 | goto clear_errat; | |
1613 | } | |
1614 | ||
1615 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
1616 | for (i = 0; readl(resp_buf) != mbox && i < 500; i++) | |
1617 | mdelay(1); | |
1618 | ||
1619 | clear_errat: | |
1620 | ||
1621 | while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500) | |
1622 | mdelay(1); | |
1623 | ||
1624 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
1625 | writel(HA_ERATT, phba->HAregaddr); | |
1626 | phba->stopped = 1; | |
1627 | } | |
1628 | ||
1629 | restore_hc: | |
ebdbe65f | 1630 | phba->fc_flag &= ~FC_IGNORE_ERATT; |
9290831f JS |
1631 | writel(hc_copy, phba->HCregaddr); |
1632 | readl(phba->HCregaddr); /* flush */ | |
1633 | } | |
1634 | ||
41415862 JW |
1635 | int |
1636 | lpfc_sli_brdkill(struct lpfc_hba * phba) | |
1637 | { | |
1638 | struct lpfc_sli *psli; | |
1639 | LPFC_MBOXQ_t *pmb; | |
1640 | uint32_t status; | |
1641 | uint32_t ha_copy; | |
1642 | int retval; | |
1643 | int i = 0; | |
dea3101e | 1644 | |
41415862 | 1645 | psli = &phba->sli; |
dea3101e | 1646 | |
41415862 JW |
1647 | /* Kill HBA */ |
1648 | lpfc_printf_log(phba, | |
1649 | KERN_INFO, | |
1650 | LOG_SLI, | |
1651 | "%d:0329 Kill HBA Data: x%x x%x\n", | |
1652 | phba->brd_no, | |
1653 | phba->hba_state, | |
1654 | psli->sli_flag); | |
1655 | ||
1656 | if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
9290831f | 1657 | GFP_KERNEL)) == 0) |
41415862 | 1658 | return 1; |
41415862 JW |
1659 | |
1660 | /* Disable the error attention */ | |
1661 | spin_lock_irq(phba->host->host_lock); | |
1662 | status = readl(phba->HCregaddr); | |
1663 | status &= ~HC_ERINT_ENA; | |
1664 | writel(status, phba->HCregaddr); | |
1665 | readl(phba->HCregaddr); /* flush */ | |
ebdbe65f | 1666 | phba->fc_flag |= FC_IGNORE_ERATT; |
41415862 JW |
1667 | spin_unlock_irq(phba->host->host_lock); |
1668 | ||
1669 | lpfc_kill_board(phba, pmb); | |
1670 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1671 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
1672 | ||
1673 | if (retval != MBX_SUCCESS) { | |
1674 | if (retval != MBX_BUSY) | |
1675 | mempool_free(pmb, phba->mbox_mem_pool); | |
ebdbe65f JS |
1676 | spin_lock_irq(phba->host->host_lock); |
1677 | phba->fc_flag &= ~FC_IGNORE_ERATT; | |
1678 | spin_unlock_irq(phba->host->host_lock); | |
41415862 JW |
1679 | return 1; |
1680 | } | |
1681 | ||
9290831f JS |
1682 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
1683 | ||
41415862 JW |
1684 | mempool_free(pmb, phba->mbox_mem_pool); |
1685 | ||
1686 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
1687 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
1688 | * 3 seconds we still set HBA_ERROR state because the status of the | |
1689 | * board is now undefined. | |
1690 | */ | |
1691 | ha_copy = readl(phba->HAregaddr); | |
1692 | ||
1693 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { | |
1694 | mdelay(100); | |
1695 | ha_copy = readl(phba->HAregaddr); | |
1696 | } | |
1697 | ||
1698 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
1699 | if (ha_copy & HA_ERATT) { |
1700 | writel(HA_ERATT, phba->HAregaddr); | |
1701 | phba->stopped = 1; | |
1702 | } | |
41415862 JW |
1703 | spin_lock_irq(phba->host->host_lock); |
1704 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
ebdbe65f | 1705 | phba->fc_flag &= ~FC_IGNORE_ERATT; |
41415862 JW |
1706 | spin_unlock_irq(phba->host->host_lock); |
1707 | ||
1708 | psli->mbox_active = NULL; | |
1709 | lpfc_hba_down_post(phba); | |
1710 | phba->hba_state = LPFC_HBA_ERROR; | |
1711 | ||
1712 | return (ha_copy & HA_ERATT ? 0 : 1); | |
dea3101e | 1713 | } |
1714 | ||
41415862 JW |
1715 | int |
1716 | lpfc_sli_brdreset(struct lpfc_hba * phba) | |
dea3101e | 1717 | { |
41415862 | 1718 | struct lpfc_sli *psli; |
dea3101e | 1719 | struct lpfc_sli_ring *pring; |
41415862 | 1720 | uint16_t cfg_value; |
dea3101e | 1721 | int i; |
dea3101e | 1722 | |
41415862 | 1723 | psli = &phba->sli; |
dea3101e | 1724 | |
41415862 JW |
1725 | /* Reset HBA */ |
1726 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1727 | "%d:0325 Reset HBA Data: x%x x%x\n", phba->brd_no, | |
1728 | phba->hba_state, psli->sli_flag); | |
dea3101e | 1729 | |
1730 | /* perform board reset */ | |
1731 | phba->fc_eventTag = 0; | |
1732 | phba->fc_myDID = 0; | |
41415862 | 1733 | phba->fc_prevDID = 0; |
dea3101e | 1734 | |
41415862 JW |
1735 | /* Turn off parity checking and serr during the physical reset */ |
1736 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
1737 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
1738 | (cfg_value & | |
1739 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
1740 | ||
1c067a42 | 1741 | psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA); |
41415862 JW |
1742 | /* Now toggle INITFF bit in the Host Control Register */ |
1743 | writel(HC_INITFF, phba->HCregaddr); | |
1744 | mdelay(1); | |
1745 | readl(phba->HCregaddr); /* flush */ | |
1746 | writel(0, phba->HCregaddr); | |
1747 | readl(phba->HCregaddr); /* flush */ | |
1748 | ||
1749 | /* Restore PCI cmd register */ | |
1750 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e | 1751 | |
1752 | /* Initialize relevant SLI info */ | |
41415862 JW |
1753 | for (i = 0; i < psli->num_rings; i++) { |
1754 | pring = &psli->ring[i]; | |
dea3101e | 1755 | pring->flag = 0; |
1756 | pring->rspidx = 0; | |
1757 | pring->next_cmdidx = 0; | |
1758 | pring->local_getidx = 0; | |
1759 | pring->cmdidx = 0; | |
1760 | pring->missbufcnt = 0; | |
1761 | } | |
dea3101e | 1762 | |
41415862 JW |
1763 | phba->hba_state = LPFC_WARM_START; |
1764 | return 0; | |
1765 | } | |
1766 | ||
1767 | int | |
1768 | lpfc_sli_brdrestart(struct lpfc_hba * phba) | |
1769 | { | |
1770 | MAILBOX_t *mb; | |
1771 | struct lpfc_sli *psli; | |
1772 | uint16_t skip_post; | |
1773 | volatile uint32_t word0; | |
1774 | void __iomem *to_slim; | |
1775 | ||
1776 | spin_lock_irq(phba->host->host_lock); | |
1777 | ||
1778 | psli = &phba->sli; | |
1779 | ||
1780 | /* Restart HBA */ | |
1781 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
dca9479b | 1782 | "%d:0337 Restart HBA Data: x%x x%x\n", phba->brd_no, |
41415862 JW |
1783 | phba->hba_state, psli->sli_flag); |
1784 | ||
1785 | word0 = 0; | |
1786 | mb = (MAILBOX_t *) &word0; | |
1787 | mb->mbxCommand = MBX_RESTART; | |
1788 | mb->mbxHc = 1; | |
1789 | ||
9290831f JS |
1790 | lpfc_reset_barrier(phba); |
1791 | ||
41415862 JW |
1792 | to_slim = phba->MBslimaddr; |
1793 | writel(*(uint32_t *) mb, to_slim); | |
1794 | readl(to_slim); /* flush */ | |
1795 | ||
1796 | /* Only skip post after fc_ffinit is completed */ | |
1797 | if (phba->hba_state) { | |
1798 | skip_post = 1; | |
1799 | word0 = 1; /* This is really setting up word1 */ | |
dea3101e | 1800 | } else { |
41415862 JW |
1801 | skip_post = 0; |
1802 | word0 = 0; /* This is really setting up word1 */ | |
dea3101e | 1803 | } |
65a29c16 | 1804 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
1805 | writel(*(uint32_t *) mb, to_slim); |
1806 | readl(to_slim); /* flush */ | |
dea3101e | 1807 | |
41415862 | 1808 | lpfc_sli_brdreset(phba); |
9290831f | 1809 | phba->stopped = 0; |
41415862 JW |
1810 | phba->hba_state = LPFC_INIT_START; |
1811 | ||
1812 | spin_unlock_irq(phba->host->host_lock); | |
1813 | ||
64ba8818 JS |
1814 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
1815 | psli->stats_start = get_seconds(); | |
1816 | ||
41415862 JW |
1817 | if (skip_post) |
1818 | mdelay(100); | |
1819 | else | |
1820 | mdelay(2000); | |
1821 | ||
1822 | lpfc_hba_down_post(phba); | |
dea3101e | 1823 | |
1824 | return 0; | |
1825 | } | |
1826 | ||
1827 | static int | |
1828 | lpfc_sli_chipset_init(struct lpfc_hba *phba) | |
1829 | { | |
1830 | uint32_t status, i = 0; | |
1831 | ||
1832 | /* Read the HBA Host Status Register */ | |
1833 | status = readl(phba->HSregaddr); | |
1834 | ||
1835 | /* Check status register to see what current state is */ | |
1836 | i = 0; | |
1837 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
1838 | ||
1839 | /* Check every 100ms for 5 retries, then every 500ms for 5, then | |
1840 | * every 2.5 sec for 5, then reset board and every 2.5 sec for | |
1841 | * 4. | |
1842 | */ | |
1843 | if (i++ >= 20) { | |
1844 | /* Adapter failed to init, timeout, status reg | |
1845 | <status> */ | |
1846 | lpfc_printf_log(phba, | |
1847 | KERN_ERR, | |
1848 | LOG_INIT, | |
1849 | "%d:0436 Adapter failed to init, " | |
1850 | "timeout, status reg x%x\n", | |
1851 | phba->brd_no, | |
1852 | status); | |
1853 | phba->hba_state = LPFC_HBA_ERROR; | |
1854 | return -ETIMEDOUT; | |
1855 | } | |
1856 | ||
1857 | /* Check to see if any errors occurred during init */ | |
1858 | if (status & HS_FFERM) { | |
1859 | /* ERROR: During chipset initialization */ | |
1860 | /* Adapter failed to init, chipset, status reg | |
1861 | <status> */ | |
1862 | lpfc_printf_log(phba, | |
1863 | KERN_ERR, | |
1864 | LOG_INIT, | |
1865 | "%d:0437 Adapter failed to init, " | |
1866 | "chipset, status reg x%x\n", | |
1867 | phba->brd_no, | |
1868 | status); | |
1869 | phba->hba_state = LPFC_HBA_ERROR; | |
1870 | return -EIO; | |
1871 | } | |
1872 | ||
1873 | if (i <= 5) { | |
1874 | msleep(10); | |
1875 | } else if (i <= 10) { | |
1876 | msleep(500); | |
1877 | } else { | |
1878 | msleep(2500); | |
1879 | } | |
1880 | ||
1881 | if (i == 15) { | |
41415862 JW |
1882 | phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */ |
1883 | lpfc_sli_brdrestart(phba); | |
dea3101e | 1884 | } |
1885 | /* Read the HBA Host Status Register */ | |
1886 | status = readl(phba->HSregaddr); | |
1887 | } | |
1888 | ||
1889 | /* Check to see if any errors occurred during init */ | |
1890 | if (status & HS_FFERM) { | |
1891 | /* ERROR: During chipset initialization */ | |
1892 | /* Adapter failed to init, chipset, status reg <status> */ | |
1893 | lpfc_printf_log(phba, | |
1894 | KERN_ERR, | |
1895 | LOG_INIT, | |
1896 | "%d:0438 Adapter failed to init, chipset, " | |
1897 | "status reg x%x\n", | |
1898 | phba->brd_no, | |
1899 | status); | |
1900 | phba->hba_state = LPFC_HBA_ERROR; | |
1901 | return -EIO; | |
1902 | } | |
1903 | ||
1904 | /* Clear all interrupt enable conditions */ | |
1905 | writel(0, phba->HCregaddr); | |
1906 | readl(phba->HCregaddr); /* flush */ | |
1907 | ||
1908 | /* setup host attn register */ | |
1909 | writel(0xffffffff, phba->HAregaddr); | |
1910 | readl(phba->HAregaddr); /* flush */ | |
1911 | return 0; | |
1912 | } | |
1913 | ||
1914 | int | |
1915 | lpfc_sli_hba_setup(struct lpfc_hba * phba) | |
1916 | { | |
1917 | LPFC_MBOXQ_t *pmb; | |
1918 | uint32_t resetcount = 0, rc = 0, done = 0; | |
1919 | ||
1920 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1921 | if (!pmb) { | |
1922 | phba->hba_state = LPFC_HBA_ERROR; | |
1923 | return -ENOMEM; | |
1924 | } | |
1925 | ||
1926 | while (resetcount < 2 && !done) { | |
1c067a42 JS |
1927 | spin_lock_irq(phba->host->host_lock); |
1928 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
1929 | spin_unlock_irq(phba->host->host_lock); | |
41415862 JW |
1930 | phba->hba_state = LPFC_STATE_UNKNOWN; |
1931 | lpfc_sli_brdrestart(phba); | |
dea3101e | 1932 | msleep(2500); |
1933 | rc = lpfc_sli_chipset_init(phba); | |
1934 | if (rc) | |
1935 | break; | |
1936 | ||
1c067a42 JS |
1937 | spin_lock_irq(phba->host->host_lock); |
1938 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
1939 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 1940 | resetcount++; |
1941 | ||
1942 | /* Call pre CONFIG_PORT mailbox command initialization. A value of 0 | |
1943 | * means the call was successful. Any other nonzero value is a failure, | |
1944 | * but if ERESTART is returned, the driver may reset the HBA and try | |
1945 | * again. | |
1946 | */ | |
1947 | rc = lpfc_config_port_prep(phba); | |
1948 | if (rc == -ERESTART) { | |
1949 | phba->hba_state = 0; | |
1950 | continue; | |
1951 | } else if (rc) { | |
1952 | break; | |
1953 | } | |
1954 | ||
1955 | phba->hba_state = LPFC_INIT_MBX_CMDS; | |
1956 | lpfc_config_port(phba, pmb); | |
1957 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1958 | if (rc == MBX_SUCCESS) | |
1959 | done = 1; | |
1960 | else { | |
1961 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1962 | "%d:0442 Adapter failed to init, mbxCmd x%x " | |
1963 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", | |
1964 | phba->brd_no, pmb->mb.mbxCommand, | |
1965 | pmb->mb.mbxStatus, 0); | |
1966 | phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; | |
1967 | } | |
1968 | } | |
1969 | if (!done) | |
1970 | goto lpfc_sli_hba_setup_error; | |
1971 | ||
1972 | rc = lpfc_sli_ring_map(phba, pmb); | |
1973 | ||
1974 | if (rc) | |
1975 | goto lpfc_sli_hba_setup_error; | |
1976 | ||
1977 | phba->sli.sli_flag |= LPFC_PROCESS_LA; | |
1978 | ||
1979 | rc = lpfc_config_port_post(phba); | |
1980 | if (rc) | |
1981 | goto lpfc_sli_hba_setup_error; | |
1982 | ||
1983 | goto lpfc_sli_hba_setup_exit; | |
1984 | lpfc_sli_hba_setup_error: | |
1985 | phba->hba_state = LPFC_HBA_ERROR; | |
1986 | lpfc_sli_hba_setup_exit: | |
1987 | mempool_free(pmb, phba->mbox_mem_pool); | |
1988 | return rc; | |
1989 | } | |
1990 | ||
dea3101e | 1991 | /*! lpfc_mbox_timeout |
1992 | * | |
1993 | * \pre | |
1994 | * \post | |
1995 | * \param hba Pointer to per struct lpfc_hba structure | |
1996 | * \param l1 Pointer to the driver's mailbox queue. | |
1997 | * \return | |
1998 | * void | |
1999 | * | |
2000 | * \b Description: | |
2001 | * | |
2002 | * This routine handles mailbox timeout events at timer interrupt context. | |
2003 | */ | |
2004 | void | |
2005 | lpfc_mbox_timeout(unsigned long ptr) | |
2006 | { | |
2007 | struct lpfc_hba *phba; | |
2008 | unsigned long iflag; | |
2009 | ||
2010 | phba = (struct lpfc_hba *)ptr; | |
2011 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
2012 | if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { | |
2013 | phba->work_hba_events |= WORKER_MBOX_TMO; | |
2014 | if (phba->work_wait) | |
2015 | wake_up(phba->work_wait); | |
2016 | } | |
2017 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
2018 | } | |
2019 | ||
2020 | void | |
2021 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
2022 | { | |
2023 | LPFC_MBOXQ_t *pmbox; | |
2024 | MAILBOX_t *mb; | |
1dcb58e5 JS |
2025 | struct lpfc_sli *psli = &phba->sli; |
2026 | struct lpfc_sli_ring *pring; | |
dea3101e | 2027 | |
2028 | spin_lock_irq(phba->host->host_lock); | |
2029 | if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { | |
2030 | spin_unlock_irq(phba->host->host_lock); | |
2031 | return; | |
2032 | } | |
2033 | ||
2034 | pmbox = phba->sli.mbox_active; | |
2035 | mb = &pmbox->mb; | |
2036 | ||
2037 | /* Mbox cmd <mbxCommand> timeout */ | |
2038 | lpfc_printf_log(phba, | |
2039 | KERN_ERR, | |
2040 | LOG_MBOX | LOG_SLI, | |
2041 | "%d:0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", | |
2042 | phba->brd_no, | |
2043 | mb->mbxCommand, | |
2044 | phba->hba_state, | |
2045 | phba->sli.sli_flag, | |
2046 | phba->sli.mbox_active); | |
2047 | ||
1dcb58e5 JS |
2048 | /* Setting state unknown so lpfc_sli_abort_iocb_ring |
2049 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
2050 | * it to fail all oustanding SCSI IO. | |
2051 | */ | |
2052 | phba->hba_state = LPFC_STATE_UNKNOWN; | |
2053 | phba->work_hba_events &= ~WORKER_MBOX_TMO; | |
2054 | phba->fc_flag |= FC_ESTABLISH_LINK; | |
2055 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
dea3101e | 2056 | spin_unlock_irq(phba->host->host_lock); |
1dcb58e5 JS |
2057 | |
2058 | pring = &psli->ring[psli->fcp_ring]; | |
2059 | lpfc_sli_abort_iocb_ring(phba, pring); | |
2060 | ||
2061 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
2062 | "%d:0316 Resetting board due to mailbox timeout\n", | |
2063 | phba->brd_no); | |
2064 | /* | |
2065 | * lpfc_offline calls lpfc_sli_hba_down which will clean up | |
2066 | * on oustanding mailbox commands. | |
2067 | */ | |
2068 | lpfc_offline_prep(phba); | |
2069 | lpfc_offline(phba); | |
2070 | lpfc_sli_brdrestart(phba); | |
2071 | if (lpfc_online(phba) == 0) /* Initialize the HBA */ | |
2072 | mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); | |
2073 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2074 | return; |
2075 | } | |
2076 | ||
2077 | int | |
2078 | lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag) | |
2079 | { | |
dea3101e | 2080 | MAILBOX_t *mb; |
2081 | struct lpfc_sli *psli; | |
2082 | uint32_t status, evtctr; | |
2083 | uint32_t ha_copy; | |
2084 | int i; | |
2085 | unsigned long drvr_flag = 0; | |
2086 | volatile uint32_t word0, ldata; | |
2087 | void __iomem *to_slim; | |
2088 | ||
8d63f375 LV |
2089 | /* If the PCI channel is in offline state, do not post mbox. */ |
2090 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
2091 | return MBX_NOT_FINISHED; | |
2092 | ||
dea3101e | 2093 | psli = &phba->sli; |
2094 | ||
2095 | spin_lock_irqsave(phba->host->host_lock, drvr_flag); | |
2096 | ||
2097 | ||
2098 | mb = &pmbox->mb; | |
2099 | status = MBX_SUCCESS; | |
2100 | ||
41415862 JW |
2101 | if (phba->hba_state == LPFC_HBA_ERROR) { |
2102 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); | |
2103 | ||
2104 | /* Mbox command <mbxCommand> cannot issue */ | |
2105 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) | |
2106 | return (MBX_NOT_FINISHED); | |
2107 | } | |
2108 | ||
9290831f JS |
2109 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && |
2110 | !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { | |
2111 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); | |
2112 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) | |
2113 | return (MBX_NOT_FINISHED); | |
2114 | } | |
2115 | ||
dea3101e | 2116 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
2117 | /* Polling for a mbox command when another one is already active | |
2118 | * is not allowed in SLI. Also, the driver must have established | |
2119 | * SLI2 mode to queue and process multiple mbox commands. | |
2120 | */ | |
2121 | ||
2122 | if (flag & MBX_POLL) { | |
2123 | spin_unlock_irqrestore(phba->host->host_lock, | |
2124 | drvr_flag); | |
2125 | ||
2126 | /* Mbox command <mbxCommand> cannot issue */ | |
2127 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) | |
2128 | return (MBX_NOT_FINISHED); | |
2129 | } | |
2130 | ||
2131 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { | |
2132 | spin_unlock_irqrestore(phba->host->host_lock, | |
2133 | drvr_flag); | |
2134 | /* Mbox command <mbxCommand> cannot issue */ | |
2135 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) | |
2136 | return (MBX_NOT_FINISHED); | |
2137 | } | |
2138 | ||
2139 | /* Handle STOP IOCB processing flag. This is only meaningful | |
2140 | * if we are not polling for mbox completion. | |
2141 | */ | |
2142 | if (flag & MBX_STOP_IOCB) { | |
2143 | flag &= ~MBX_STOP_IOCB; | |
2144 | /* Now flag each ring */ | |
2145 | for (i = 0; i < psli->num_rings; i++) { | |
2146 | /* If the ring is active, flag it */ | |
2147 | if (psli->ring[i].cmdringaddr) { | |
2148 | psli->ring[i].flag |= | |
2149 | LPFC_STOP_IOCB_MBX; | |
2150 | } | |
2151 | } | |
2152 | } | |
2153 | ||
2154 | /* Another mailbox command is still being processed, queue this | |
2155 | * command to be processed later. | |
2156 | */ | |
2157 | lpfc_mbox_put(phba, pmbox); | |
2158 | ||
2159 | /* Mbox cmd issue - BUSY */ | |
2160 | lpfc_printf_log(phba, | |
2161 | KERN_INFO, | |
2162 | LOG_MBOX | LOG_SLI, | |
2163 | "%d:0308 Mbox cmd issue - BUSY Data: x%x x%x x%x x%x\n", | |
2164 | phba->brd_no, | |
2165 | mb->mbxCommand, | |
2166 | phba->hba_state, | |
2167 | psli->sli_flag, | |
2168 | flag); | |
2169 | ||
2170 | psli->slistat.mbox_busy++; | |
2171 | spin_unlock_irqrestore(phba->host->host_lock, | |
2172 | drvr_flag); | |
2173 | ||
2174 | return (MBX_BUSY); | |
2175 | } | |
2176 | ||
2177 | /* Handle STOP IOCB processing flag. This is only meaningful | |
2178 | * if we are not polling for mbox completion. | |
2179 | */ | |
2180 | if (flag & MBX_STOP_IOCB) { | |
2181 | flag &= ~MBX_STOP_IOCB; | |
2182 | if (flag == MBX_NOWAIT) { | |
2183 | /* Now flag each ring */ | |
2184 | for (i = 0; i < psli->num_rings; i++) { | |
2185 | /* If the ring is active, flag it */ | |
2186 | if (psli->ring[i].cmdringaddr) { | |
2187 | psli->ring[i].flag |= | |
2188 | LPFC_STOP_IOCB_MBX; | |
2189 | } | |
2190 | } | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
2195 | ||
2196 | /* If we are not polling, we MUST be in SLI2 mode */ | |
2197 | if (flag != MBX_POLL) { | |
41415862 JW |
2198 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) && |
2199 | (mb->mbxCommand != MBX_KILL_BOARD)) { | |
dea3101e | 2200 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2201 | spin_unlock_irqrestore(phba->host->host_lock, | |
2202 | drvr_flag); | |
2203 | /* Mbox command <mbxCommand> cannot issue */ | |
2204 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag); | |
2205 | return (MBX_NOT_FINISHED); | |
2206 | } | |
2207 | /* timeout active mbox command */ | |
a309a6b6 JS |
2208 | mod_timer(&psli->mbox_tmo, (jiffies + |
2209 | (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand)))); | |
dea3101e | 2210 | } |
2211 | ||
2212 | /* Mailbox cmd <cmd> issue */ | |
2213 | lpfc_printf_log(phba, | |
2214 | KERN_INFO, | |
2215 | LOG_MBOX | LOG_SLI, | |
2216 | "%d:0309 Mailbox cmd x%x issue Data: x%x x%x x%x\n", | |
2217 | phba->brd_no, | |
2218 | mb->mbxCommand, | |
2219 | phba->hba_state, | |
2220 | psli->sli_flag, | |
2221 | flag); | |
2222 | ||
2223 | psli->slistat.mbox_cmd++; | |
2224 | evtctr = psli->slistat.mbox_event; | |
2225 | ||
2226 | /* next set own bit for the adapter and copy over command word */ | |
2227 | mb->mbxOwner = OWN_CHIP; | |
2228 | ||
2229 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
dea3101e | 2230 | /* First copy command data to host SLIM area */ |
4cc2da1d | 2231 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); |
dea3101e | 2232 | } else { |
9290831f | 2233 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 2234 | /* copy command data into host mbox for cmpl */ |
4cc2da1d JSEC |
2235 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, |
2236 | MAILBOX_CMD_SIZE); | |
dea3101e | 2237 | } |
2238 | ||
2239 | /* First copy mbox command data to HBA SLIM, skip past first | |
2240 | word */ | |
2241 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
2242 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], | |
2243 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); | |
2244 | ||
2245 | /* Next copy over first word, with mbxOwner set */ | |
2246 | ldata = *((volatile uint32_t *)mb); | |
2247 | to_slim = phba->MBslimaddr; | |
2248 | writel(ldata, to_slim); | |
2249 | readl(to_slim); /* flush */ | |
2250 | ||
2251 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
2252 | /* switch over to host mailbox */ | |
2253 | psli->sli_flag |= LPFC_SLI2_ACTIVE; | |
2254 | } | |
2255 | } | |
2256 | ||
2257 | wmb(); | |
2258 | /* interrupt board to doit right away */ | |
2259 | writel(CA_MBATT, phba->CAregaddr); | |
2260 | readl(phba->CAregaddr); /* flush */ | |
2261 | ||
2262 | switch (flag) { | |
2263 | case MBX_NOWAIT: | |
2264 | /* Don't wait for it to finish, just return */ | |
2265 | psli->mbox_active = pmbox; | |
2266 | break; | |
2267 | ||
2268 | case MBX_POLL: | |
dea3101e | 2269 | psli->mbox_active = NULL; |
2270 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
2271 | /* First read mbox status word */ | |
4cc2da1d | 2272 | word0 = *((volatile uint32_t *)&phba->slim2p->mbx); |
dea3101e | 2273 | word0 = le32_to_cpu(word0); |
2274 | } else { | |
2275 | /* First read mbox status word */ | |
2276 | word0 = readl(phba->MBslimaddr); | |
2277 | } | |
2278 | ||
2279 | /* Read the HBA Host Attention Register */ | |
2280 | ha_copy = readl(phba->HAregaddr); | |
2281 | ||
a309a6b6 JS |
2282 | i = lpfc_mbox_tmo_val(phba, mb->mbxCommand); |
2283 | i *= 1000; /* Convert to ms */ | |
2284 | ||
dea3101e | 2285 | /* Wait for command to complete */ |
41415862 JW |
2286 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
2287 | (!(ha_copy & HA_MBATT) && | |
2288 | (phba->hba_state > LPFC_WARM_START))) { | |
a309a6b6 | 2289 | if (i-- <= 0) { |
dea3101e | 2290 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2291 | spin_unlock_irqrestore(phba->host->host_lock, | |
2292 | drvr_flag); | |
2293 | return (MBX_NOT_FINISHED); | |
2294 | } | |
2295 | ||
2296 | /* Check if we took a mbox interrupt while we were | |
2297 | polling */ | |
2298 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
2299 | && (evtctr != psli->slistat.mbox_event)) | |
2300 | break; | |
2301 | ||
2302 | spin_unlock_irqrestore(phba->host->host_lock, | |
2303 | drvr_flag); | |
2304 | ||
1dcb58e5 | 2305 | msleep(1); |
dea3101e | 2306 | |
2307 | spin_lock_irqsave(phba->host->host_lock, drvr_flag); | |
2308 | ||
2309 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
2310 | /* First copy command data */ | |
4cc2da1d JSEC |
2311 | word0 = *((volatile uint32_t *) |
2312 | &phba->slim2p->mbx); | |
dea3101e | 2313 | word0 = le32_to_cpu(word0); |
2314 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
2315 | MAILBOX_t *slimmb; | |
2316 | volatile uint32_t slimword0; | |
2317 | /* Check real SLIM for any errors */ | |
2318 | slimword0 = readl(phba->MBslimaddr); | |
2319 | slimmb = (MAILBOX_t *) & slimword0; | |
2320 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
2321 | && slimmb->mbxStatus) { | |
2322 | psli->sli_flag &= | |
2323 | ~LPFC_SLI2_ACTIVE; | |
2324 | word0 = slimword0; | |
2325 | } | |
2326 | } | |
2327 | } else { | |
2328 | /* First copy command data */ | |
2329 | word0 = readl(phba->MBslimaddr); | |
2330 | } | |
2331 | /* Read the HBA Host Attention Register */ | |
2332 | ha_copy = readl(phba->HAregaddr); | |
2333 | } | |
2334 | ||
2335 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
dea3101e | 2336 | /* copy results back to user */ |
4cc2da1d JSEC |
2337 | lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, |
2338 | MAILBOX_CMD_SIZE); | |
dea3101e | 2339 | } else { |
2340 | /* First copy command data */ | |
2341 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, | |
2342 | MAILBOX_CMD_SIZE); | |
2343 | if ((mb->mbxCommand == MBX_DUMP_MEMORY) && | |
2344 | pmbox->context2) { | |
2345 | lpfc_memcpy_from_slim((void *)pmbox->context2, | |
2346 | phba->MBslimaddr + DMP_RSP_OFFSET, | |
2347 | mb->un.varDmp.word_cnt); | |
2348 | } | |
2349 | } | |
2350 | ||
2351 | writel(HA_MBATT, phba->HAregaddr); | |
2352 | readl(phba->HAregaddr); /* flush */ | |
2353 | ||
2354 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2355 | status = mb->mbxStatus; | |
2356 | } | |
2357 | ||
2358 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); | |
2359 | return (status); | |
2360 | } | |
2361 | ||
2362 | static int | |
2363 | lpfc_sli_ringtx_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, | |
2364 | struct lpfc_iocbq * piocb) | |
2365 | { | |
2366 | /* Insert the caller's iocb in the txq tail for later processing. */ | |
2367 | list_add_tail(&piocb->list, &pring->txq); | |
2368 | pring->txq_cnt++; | |
2369 | return (0); | |
2370 | } | |
2371 | ||
2372 | static struct lpfc_iocbq * | |
2373 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2374 | struct lpfc_iocbq ** piocb) | |
2375 | { | |
2376 | struct lpfc_iocbq * nextiocb; | |
2377 | ||
2378 | nextiocb = lpfc_sli_ringtx_get(phba, pring); | |
2379 | if (!nextiocb) { | |
2380 | nextiocb = *piocb; | |
2381 | *piocb = NULL; | |
2382 | } | |
2383 | ||
2384 | return nextiocb; | |
2385 | } | |
2386 | ||
2387 | int | |
2388 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2389 | struct lpfc_iocbq *piocb, uint32_t flag) | |
2390 | { | |
2391 | struct lpfc_iocbq *nextiocb; | |
2392 | IOCB_t *iocb; | |
2393 | ||
8d63f375 LV |
2394 | /* If the PCI channel is in offline state, do not post iocbs. */ |
2395 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
2396 | return IOCB_ERROR; | |
2397 | ||
dea3101e | 2398 | /* |
2399 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
2400 | */ | |
2401 | if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) | |
2402 | return IOCB_ERROR; | |
2403 | ||
2404 | /* | |
2405 | * Check to see if we are blocking IOCB processing because of a | |
2406 | * outstanding mbox command. | |
2407 | */ | |
2408 | if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX)) | |
2409 | goto iocb_busy; | |
2410 | ||
2411 | if (unlikely(phba->hba_state == LPFC_LINK_DOWN)) { | |
2412 | /* | |
2680eeaa | 2413 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e | 2414 | * can be issued if the link is not up. |
2415 | */ | |
2416 | switch (piocb->iocb.ulpCommand) { | |
2417 | case CMD_QUE_RING_BUF_CN: | |
2418 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e | 2419 | /* |
2420 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
2421 | * completion, iocb_cmpl MUST be 0. | |
2422 | */ | |
2423 | if (piocb->iocb_cmpl) | |
2424 | piocb->iocb_cmpl = NULL; | |
2425 | /*FALLTHROUGH*/ | |
2426 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
2427 | case CMD_CLOSE_XRI_CN: |
2428 | case CMD_CLOSE_XRI_CX: | |
dea3101e | 2429 | break; |
2430 | default: | |
2431 | goto iocb_busy; | |
2432 | } | |
2433 | ||
2434 | /* | |
2435 | * For FCP commands, we must be in a state where we can process link | |
2436 | * attention events. | |
2437 | */ | |
2438 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && | |
2439 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) | |
2440 | goto iocb_busy; | |
2441 | ||
dea3101e | 2442 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
2443 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
2444 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
2445 | ||
2446 | if (iocb) | |
2447 | lpfc_sli_update_ring(phba, pring); | |
2448 | else | |
2449 | lpfc_sli_update_full_ring(phba, pring); | |
2450 | ||
2451 | if (!piocb) | |
2452 | return IOCB_SUCCESS; | |
2453 | ||
2454 | goto out_busy; | |
2455 | ||
2456 | iocb_busy: | |
2457 | pring->stats.iocb_cmd_delay++; | |
2458 | ||
2459 | out_busy: | |
2460 | ||
2461 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
2462 | lpfc_sli_ringtx_put(phba, pring, piocb); | |
2463 | return IOCB_SUCCESS; | |
2464 | } | |
2465 | ||
2466 | return IOCB_BUSY; | |
2467 | } | |
2468 | ||
cf5bf97e JW |
2469 | static int |
2470 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
2471 | { | |
2472 | struct lpfc_sli *psli; | |
2473 | struct lpfc_sli_ring *pring; | |
2474 | ||
2475 | psli = &phba->sli; | |
2476 | ||
2477 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
a4bc3379 JS |
2478 | |
2479 | /* Take some away from the FCP ring */ | |
cf5bf97e JW |
2480 | pring = &psli->ring[psli->fcp_ring]; |
2481 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
2482 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
2483 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
2484 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
2485 | ||
a4bc3379 JS |
2486 | /* and give them to the extra ring */ |
2487 | pring = &psli->ring[psli->extra_ring]; | |
2488 | ||
cf5bf97e JW |
2489 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
2490 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
2491 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
2492 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
2493 | ||
2494 | /* Setup default profile for this ring */ | |
2495 | pring->iotag_max = 4096; | |
2496 | pring->num_mask = 1; | |
2497 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
2498 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
2499 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
2500 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
2501 | return 0; | |
2502 | } | |
2503 | ||
dea3101e | 2504 | int |
2505 | lpfc_sli_setup(struct lpfc_hba *phba) | |
2506 | { | |
2507 | int i, totiocb = 0; | |
2508 | struct lpfc_sli *psli = &phba->sli; | |
2509 | struct lpfc_sli_ring *pring; | |
2510 | ||
2511 | psli->num_rings = MAX_CONFIGURED_RINGS; | |
2512 | psli->sli_flag = 0; | |
2513 | psli->fcp_ring = LPFC_FCP_RING; | |
2514 | psli->next_ring = LPFC_FCP_NEXT_RING; | |
a4bc3379 | 2515 | psli->extra_ring = LPFC_EXTRA_RING; |
dea3101e | 2516 | |
604a3e30 JB |
2517 | psli->iocbq_lookup = NULL; |
2518 | psli->iocbq_lookup_len = 0; | |
2519 | psli->last_iotag = 0; | |
2520 | ||
dea3101e | 2521 | for (i = 0; i < psli->num_rings; i++) { |
2522 | pring = &psli->ring[i]; | |
2523 | switch (i) { | |
2524 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
2525 | /* numCiocb and numRiocb are used in config_port */ | |
2526 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; | |
2527 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
2528 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
2529 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
2530 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
2531 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
2532 | pring->iotag_ctr = 0; | |
2533 | pring->iotag_max = | |
2534 | (phba->cfg_hba_queue_depth * 2); | |
2535 | pring->fast_iotag = pring->iotag_max; | |
2536 | pring->num_mask = 0; | |
2537 | break; | |
a4bc3379 | 2538 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 2539 | /* numCiocb and numRiocb are used in config_port */ |
2540 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; | |
2541 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
2542 | pring->num_mask = 0; | |
2543 | break; | |
2544 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
2545 | /* numCiocb and numRiocb are used in config_port */ | |
2546 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; | |
2547 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
2548 | pring->fast_iotag = 0; | |
2549 | pring->iotag_ctr = 0; | |
2550 | pring->iotag_max = 4096; | |
2551 | pring->num_mask = 4; | |
2552 | pring->prt[0].profile = 0; /* Mask 0 */ | |
2553 | pring->prt[0].rctl = FC_ELS_REQ; | |
2554 | pring->prt[0].type = FC_ELS_DATA; | |
2555 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
2556 | lpfc_els_unsol_event; | |
2557 | pring->prt[1].profile = 0; /* Mask 1 */ | |
2558 | pring->prt[1].rctl = FC_ELS_RSP; | |
2559 | pring->prt[1].type = FC_ELS_DATA; | |
2560 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
2561 | lpfc_els_unsol_event; | |
2562 | pring->prt[2].profile = 0; /* Mask 2 */ | |
2563 | /* NameServer Inquiry */ | |
2564 | pring->prt[2].rctl = FC_UNSOL_CTL; | |
2565 | /* NameServer */ | |
2566 | pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; | |
2567 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
2568 | lpfc_ct_unsol_event; | |
2569 | pring->prt[3].profile = 0; /* Mask 3 */ | |
2570 | /* NameServer response */ | |
2571 | pring->prt[3].rctl = FC_SOL_CTL; | |
2572 | /* NameServer */ | |
2573 | pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; | |
2574 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
2575 | lpfc_ct_unsol_event; | |
2576 | break; | |
2577 | } | |
2578 | totiocb += (pring->numCiocb + pring->numRiocb); | |
2579 | } | |
2580 | if (totiocb > MAX_SLI2_IOCB) { | |
2581 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ | |
2582 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2583 | "%d:0462 Too many cmd / rsp ring entries in " | |
2584 | "SLI2 SLIM Data: x%x x%x\n", | |
2585 | phba->brd_no, totiocb, MAX_SLI2_IOCB); | |
2586 | } | |
cf5bf97e JW |
2587 | if (phba->cfg_multi_ring_support == 2) |
2588 | lpfc_extra_ring_setup(phba); | |
dea3101e | 2589 | |
2590 | return 0; | |
2591 | } | |
2592 | ||
2593 | int | |
2594 | lpfc_sli_queue_setup(struct lpfc_hba * phba) | |
2595 | { | |
2596 | struct lpfc_sli *psli; | |
2597 | struct lpfc_sli_ring *pring; | |
604a3e30 | 2598 | int i; |
dea3101e | 2599 | |
2600 | psli = &phba->sli; | |
2601 | spin_lock_irq(phba->host->host_lock); | |
2602 | INIT_LIST_HEAD(&psli->mboxq); | |
2603 | /* Initialize list headers for txq and txcmplq as double linked lists */ | |
2604 | for (i = 0; i < psli->num_rings; i++) { | |
2605 | pring = &psli->ring[i]; | |
2606 | pring->ringno = i; | |
2607 | pring->next_cmdidx = 0; | |
2608 | pring->local_getidx = 0; | |
2609 | pring->cmdidx = 0; | |
2610 | INIT_LIST_HEAD(&pring->txq); | |
2611 | INIT_LIST_HEAD(&pring->txcmplq); | |
2612 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
2613 | INIT_LIST_HEAD(&pring->postbufq); | |
dea3101e | 2614 | } |
2615 | spin_unlock_irq(phba->host->host_lock); | |
2616 | return (1); | |
2617 | } | |
2618 | ||
2619 | int | |
2620 | lpfc_sli_hba_down(struct lpfc_hba * phba) | |
2621 | { | |
2534ba75 | 2622 | LIST_HEAD(completions); |
dea3101e | 2623 | struct lpfc_sli *psli; |
2624 | struct lpfc_sli_ring *pring; | |
2625 | LPFC_MBOXQ_t *pmb; | |
2534ba75 JS |
2626 | struct lpfc_iocbq *iocb; |
2627 | IOCB_t *cmd = NULL; | |
dea3101e | 2628 | int i; |
2629 | unsigned long flags = 0; | |
2630 | ||
2631 | psli = &phba->sli; | |
2632 | lpfc_hba_down_prep(phba); | |
2633 | ||
2634 | spin_lock_irqsave(phba->host->host_lock, flags); | |
dea3101e | 2635 | for (i = 0; i < psli->num_rings; i++) { |
2636 | pring = &psli->ring[i]; | |
2637 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
2638 | ||
2639 | /* | |
2640 | * Error everything on the txq since these iocbs have not been | |
2641 | * given to the FW yet. | |
2642 | */ | |
2534ba75 | 2643 | list_splice_init(&pring->txq, &completions); |
dea3101e | 2644 | pring->txq_cnt = 0; |
2645 | ||
2534ba75 JS |
2646 | } |
2647 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
dea3101e | 2648 | |
2534ba75 JS |
2649 | while (!list_empty(&completions)) { |
2650 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
2651 | cmd = &iocb->iocb; | |
2652 | list_del(&iocb->list); | |
dea3101e | 2653 | |
2534ba75 JS |
2654 | if (iocb->iocb_cmpl) { |
2655 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
2656 | cmd->un.ulpWord[4] = IOERR_SLI_DOWN; | |
2657 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2658 | } else | |
2659 | lpfc_sli_release_iocbq(phba, iocb); | |
dea3101e | 2660 | } |
2661 | ||
dea3101e | 2662 | /* Return any active mbox cmds */ |
2663 | del_timer_sync(&psli->mbox_tmo); | |
2664 | spin_lock_irqsave(phba->host->host_lock, flags); | |
2665 | phba->work_hba_events &= ~WORKER_MBOX_TMO; | |
2666 | if (psli->mbox_active) { | |
2667 | pmb = psli->mbox_active; | |
2668 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; | |
2669 | if (pmb->mbox_cmpl) { | |
2670 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
2671 | pmb->mbox_cmpl(phba,pmb); | |
2672 | spin_lock_irqsave(phba->host->host_lock, flags); | |
2673 | } | |
2674 | } | |
2675 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2676 | psli->mbox_active = NULL; | |
2677 | ||
2678 | /* Return any pending mbox cmds */ | |
2679 | while ((pmb = lpfc_mbox_get(phba)) != NULL) { | |
2680 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; | |
2681 | if (pmb->mbox_cmpl) { | |
2682 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
2683 | pmb->mbox_cmpl(phba,pmb); | |
2684 | spin_lock_irqsave(phba->host->host_lock, flags); | |
2685 | } | |
2686 | } | |
2687 | ||
2688 | INIT_LIST_HEAD(&psli->mboxq); | |
2689 | ||
2690 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
2691 | ||
dea3101e | 2692 | return 1; |
2693 | } | |
2694 | ||
2695 | void | |
2696 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
2697 | { | |
2698 | uint32_t *src = srcp; | |
2699 | uint32_t *dest = destp; | |
2700 | uint32_t ldata; | |
2701 | int i; | |
2702 | ||
2703 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
2704 | ldata = *src; | |
2705 | ldata = le32_to_cpu(ldata); | |
2706 | *dest = ldata; | |
2707 | src++; | |
2708 | dest++; | |
2709 | } | |
2710 | } | |
2711 | ||
2712 | int | |
2713 | lpfc_sli_ringpostbuf_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, | |
2714 | struct lpfc_dmabuf * mp) | |
2715 | { | |
2716 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
2717 | later */ | |
2718 | list_add_tail(&mp->list, &pring->postbufq); | |
2719 | ||
2720 | pring->postbufq_cnt++; | |
2721 | return 0; | |
2722 | } | |
2723 | ||
2724 | ||
2725 | struct lpfc_dmabuf * | |
2726 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2727 | dma_addr_t phys) | |
2728 | { | |
2729 | struct lpfc_dmabuf *mp, *next_mp; | |
2730 | struct list_head *slp = &pring->postbufq; | |
2731 | ||
2732 | /* Search postbufq, from the begining, looking for a match on phys */ | |
2733 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
2734 | if (mp->phys == phys) { | |
2735 | list_del_init(&mp->list); | |
2736 | pring->postbufq_cnt--; | |
2737 | return mp; | |
2738 | } | |
2739 | } | |
2740 | ||
2741 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2742 | "%d:0410 Cannot find virtual addr for mapped buf on " | |
2743 | "ring %d Data x%llx x%p x%p x%x\n", | |
2744 | phba->brd_no, pring->ringno, (unsigned long long)phys, | |
2745 | slp->next, slp->prev, pring->postbufq_cnt); | |
2746 | return NULL; | |
2747 | } | |
2748 | ||
2749 | static void | |
07951076 JS |
2750 | lpfc_sli_abort_els_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
2751 | struct lpfc_iocbq * rspiocb) | |
dea3101e | 2752 | { |
2680eeaa JS |
2753 | IOCB_t *irsp; |
2754 | uint16_t abort_iotag, abort_context; | |
2755 | struct lpfc_iocbq *abort_iocb, *rsp_ab_iocb; | |
2756 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
2757 | ||
2758 | abort_iocb = NULL; | |
2759 | irsp = &rspiocb->iocb; | |
2760 | ||
07951076 | 2761 | spin_lock_irq(phba->host->host_lock); |
2680eeaa JS |
2762 | |
2763 | if (irsp->ulpStatus) { | |
2764 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; | |
2765 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
2766 | ||
2767 | if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag) | |
2768 | abort_iocb = phba->sli.iocbq_lookup[abort_iotag]; | |
2769 | ||
2770 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2771 | "%d:0327 Cannot abort els iocb %p" | |
2772 | " with tag %x context %x\n", | |
2773 | phba->brd_no, abort_iocb, | |
2774 | abort_iotag, abort_context); | |
2775 | ||
2776 | /* | |
2777 | * make sure we have the right iocbq before taking it | |
2778 | * off the txcmplq and try to call completion routine. | |
2779 | */ | |
2780 | if (abort_iocb && | |
2781 | abort_iocb->iocb.ulpContext == abort_context && | |
2782 | abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) { | |
2783 | list_del(&abort_iocb->list); | |
2784 | pring->txcmplq_cnt--; | |
2785 | ||
2786 | rsp_ab_iocb = lpfc_sli_get_iocbq(phba); | |
2787 | if (rsp_ab_iocb == NULL) | |
2788 | lpfc_sli_release_iocbq(phba, abort_iocb); | |
2789 | else { | |
2790 | abort_iocb->iocb_flag &= | |
2791 | ~LPFC_DRIVER_ABORTED; | |
2792 | rsp_ab_iocb->iocb.ulpStatus = | |
2793 | IOSTAT_LOCAL_REJECT; | |
2794 | rsp_ab_iocb->iocb.un.ulpWord[4] = | |
2795 | IOERR_SLI_ABORTED; | |
2796 | spin_unlock_irq(phba->host->host_lock); | |
2797 | (abort_iocb->iocb_cmpl) | |
2798 | (phba, abort_iocb, rsp_ab_iocb); | |
2799 | spin_lock_irq(phba->host->host_lock); | |
2800 | lpfc_sli_release_iocbq(phba, rsp_ab_iocb); | |
2801 | } | |
2802 | } | |
2803 | } | |
2804 | ||
604a3e30 | 2805 | lpfc_sli_release_iocbq(phba, cmdiocb); |
07951076 | 2806 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 2807 | return; |
2808 | } | |
2809 | ||
2810 | int | |
07951076 JS |
2811 | lpfc_sli_issue_abort_iotag(struct lpfc_hba * phba, |
2812 | struct lpfc_sli_ring * pring, | |
2813 | struct lpfc_iocbq * cmdiocb) | |
dea3101e | 2814 | { |
0bd4ca25 | 2815 | struct lpfc_iocbq *abtsiocbp; |
dea3101e | 2816 | IOCB_t *icmd = NULL; |
2817 | IOCB_t *iabt = NULL; | |
07951076 JS |
2818 | int retval = IOCB_ERROR; |
2819 | ||
2820 | /* There are certain command types we don't want | |
2821 | * to abort. | |
2822 | */ | |
2823 | icmd = &cmdiocb->iocb; | |
2824 | if ((icmd->ulpCommand == CMD_ABORT_XRI_CN) || | |
2825 | (icmd->ulpCommand == CMD_CLOSE_XRI_CN)) | |
2826 | return 0; | |
2827 | ||
2828 | /* If we're unloading, interrupts are disabled so we | |
2829 | * need to cleanup the iocb here. | |
2830 | */ | |
2831 | if (phba->fc_flag & FC_UNLOADING) | |
2832 | goto abort_iotag_exit; | |
dea3101e | 2833 | |
2834 | /* issue ABTS for this IOCB based on iotag */ | |
0bd4ca25 | 2835 | abtsiocbp = lpfc_sli_get_iocbq(phba); |
dea3101e | 2836 | if (abtsiocbp == NULL) |
2837 | return 0; | |
dea3101e | 2838 | |
07951076 JS |
2839 | /* This signals the response to set the correct status |
2840 | * before calling the completion handler. | |
2841 | */ | |
2842 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
2843 | ||
dea3101e | 2844 | iabt = &abtsiocbp->iocb; |
07951076 JS |
2845 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
2846 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
2847 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; | |
2848 | iabt->ulpLe = 1; | |
2849 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 2850 | |
07951076 JS |
2851 | if (phba->hba_state >= LPFC_LINK_UP) |
2852 | iabt->ulpCommand = CMD_ABORT_XRI_CN; | |
2853 | else | |
2854 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 2855 | |
07951076 | 2856 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
5b8bd0c9 JS |
2857 | |
2858 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2859 | "%d:0339 Abort xri x%x, original iotag x%x, abort " | |
2860 | "cmd iotag x%x\n", | |
2861 | phba->brd_no, iabt->un.acxri.abortContextTag, | |
2862 | iabt->un.acxri.abortIoTag, abtsiocbp->iotag); | |
07951076 | 2863 | retval = lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); |
dea3101e | 2864 | |
07951076 JS |
2865 | abort_iotag_exit: |
2866 | ||
2867 | /* If we could not issue an abort dequeue the iocb and handle | |
2868 | * the completion here. | |
2869 | */ | |
2870 | if (retval == IOCB_ERROR) { | |
2871 | list_del(&cmdiocb->list); | |
2872 | pring->txcmplq_cnt--; | |
2873 | ||
2874 | if (cmdiocb->iocb_cmpl) { | |
2875 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
2876 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2877 | spin_unlock_irq(phba->host->host_lock); | |
2878 | (cmdiocb->iocb_cmpl) (phba, cmdiocb, cmdiocb); | |
2879 | spin_lock_irq(phba->host->host_lock); | |
2880 | } else | |
2881 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
dea3101e | 2882 | } |
2883 | ||
2884 | return 1; | |
2885 | } | |
2886 | ||
2887 | static int | |
0bd4ca25 JSEC |
2888 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, uint16_t tgt_id, |
2889 | uint64_t lun_id, uint32_t ctx, | |
2890 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 2891 | { |
0bd4ca25 JSEC |
2892 | struct lpfc_scsi_buf *lpfc_cmd; |
2893 | struct scsi_cmnd *cmnd; | |
dea3101e | 2894 | int rc = 1; |
2895 | ||
0bd4ca25 JSEC |
2896 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
2897 | return rc; | |
2898 | ||
2899 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); | |
2900 | cmnd = lpfc_cmd->pCmd; | |
2901 | ||
2902 | if (cmnd == NULL) | |
dea3101e | 2903 | return rc; |
2904 | ||
2905 | switch (ctx_cmd) { | |
2906 | case LPFC_CTX_LUN: | |
0bd4ca25 JSEC |
2907 | if ((cmnd->device->id == tgt_id) && |
2908 | (cmnd->device->lun == lun_id)) | |
dea3101e | 2909 | rc = 0; |
2910 | break; | |
2911 | case LPFC_CTX_TGT: | |
0bd4ca25 | 2912 | if (cmnd->device->id == tgt_id) |
dea3101e | 2913 | rc = 0; |
2914 | break; | |
2915 | case LPFC_CTX_CTX: | |
0bd4ca25 | 2916 | if (iocbq->iocb.ulpContext == ctx) |
dea3101e | 2917 | rc = 0; |
0bd4ca25 | 2918 | break; |
dea3101e | 2919 | case LPFC_CTX_HOST: |
2920 | rc = 0; | |
2921 | break; | |
2922 | default: | |
2923 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
2924 | __FUNCTION__, ctx_cmd); | |
2925 | break; | |
2926 | } | |
2927 | ||
2928 | return rc; | |
2929 | } | |
2930 | ||
2931 | int | |
2932 | lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2933 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd) | |
2934 | { | |
0bd4ca25 JSEC |
2935 | struct lpfc_iocbq *iocbq; |
2936 | int sum, i; | |
dea3101e | 2937 | |
0bd4ca25 JSEC |
2938 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
2939 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 2940 | |
0bd4ca25 JSEC |
2941 | if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id, |
2942 | 0, ctx_cmd) == 0) | |
2943 | sum++; | |
dea3101e | 2944 | } |
0bd4ca25 | 2945 | |
dea3101e | 2946 | return sum; |
2947 | } | |
2948 | ||
5eb95af0 JSEC |
2949 | void |
2950 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, | |
2951 | struct lpfc_iocbq * rspiocb) | |
2952 | { | |
7054a606 JS |
2953 | unsigned long iflags; |
2954 | ||
2955 | spin_lock_irqsave(phba->host->host_lock, iflags); | |
604a3e30 | 2956 | lpfc_sli_release_iocbq(phba, cmdiocb); |
7054a606 | 2957 | spin_unlock_irqrestore(phba->host->host_lock, iflags); |
5eb95af0 JSEC |
2958 | return; |
2959 | } | |
2960 | ||
dea3101e | 2961 | int |
2962 | lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2963 | uint16_t tgt_id, uint64_t lun_id, uint32_t ctx, | |
2964 | lpfc_ctx_cmd abort_cmd) | |
2965 | { | |
0bd4ca25 JSEC |
2966 | struct lpfc_iocbq *iocbq; |
2967 | struct lpfc_iocbq *abtsiocb; | |
dea3101e | 2968 | IOCB_t *cmd = NULL; |
dea3101e | 2969 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 2970 | int i; |
dea3101e | 2971 | |
0bd4ca25 JSEC |
2972 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
2973 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 2974 | |
0bd4ca25 JSEC |
2975 | if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id, |
2976 | 0, abort_cmd) != 0) | |
dea3101e | 2977 | continue; |
2978 | ||
2979 | /* issue ABTS for this IOCB based on iotag */ | |
0bd4ca25 | 2980 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 2981 | if (abtsiocb == NULL) { |
2982 | errcnt++; | |
2983 | continue; | |
2984 | } | |
dea3101e | 2985 | |
0bd4ca25 | 2986 | cmd = &iocbq->iocb; |
dea3101e | 2987 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
2988 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
2989 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
2990 | abtsiocb->iocb.ulpLe = 1; | |
2991 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
2992 | ||
2993 | if (phba->hba_state >= LPFC_LINK_UP) | |
2994 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; | |
2995 | else | |
2996 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
2997 | ||
5eb95af0 JSEC |
2998 | /* Setup callback routine and issue the command. */ |
2999 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
dea3101e | 3000 | ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); |
3001 | if (ret_val == IOCB_ERROR) { | |
604a3e30 | 3002 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e | 3003 | errcnt++; |
3004 | continue; | |
3005 | } | |
3006 | } | |
3007 | ||
3008 | return errcnt; | |
3009 | } | |
3010 | ||
68876920 JSEC |
3011 | static void |
3012 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
3013 | struct lpfc_iocbq *cmdiocbq, | |
3014 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 3015 | { |
68876920 JSEC |
3016 | wait_queue_head_t *pdone_q; |
3017 | unsigned long iflags; | |
dea3101e | 3018 | |
68876920 JSEC |
3019 | spin_lock_irqsave(phba->host->host_lock, iflags); |
3020 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; | |
3021 | if (cmdiocbq->context2 && rspiocbq) | |
3022 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
3023 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
3024 | ||
3025 | pdone_q = cmdiocbq->context_un.wait_queue; | |
3026 | spin_unlock_irqrestore(phba->host->host_lock, iflags); | |
3027 | if (pdone_q) | |
3028 | wake_up(pdone_q); | |
dea3101e | 3029 | return; |
3030 | } | |
3031 | ||
68876920 JSEC |
3032 | /* |
3033 | * Issue the caller's iocb and wait for its completion, but no longer than the | |
3034 | * caller's timeout. Note that iocb_flags is cleared before the | |
3035 | * lpfc_sli_issue_call since the wake routine sets a unique value and by | |
3036 | * definition this is a wait function. | |
3037 | */ | |
dea3101e | 3038 | int |
68876920 JSEC |
3039 | lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, |
3040 | struct lpfc_sli_ring * pring, | |
3041 | struct lpfc_iocbq * piocb, | |
3042 | struct lpfc_iocbq * prspiocbq, | |
3043 | uint32_t timeout) | |
dea3101e | 3044 | { |
7259f0d0 | 3045 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
3046 | long timeleft, timeout_req = 0; |
3047 | int retval = IOCB_SUCCESS; | |
875fbdfe | 3048 | uint32_t creg_val; |
dea3101e | 3049 | |
3050 | /* | |
68876920 JSEC |
3051 | * If the caller has provided a response iocbq buffer, then context2 |
3052 | * is NULL or its an error. | |
dea3101e | 3053 | */ |
68876920 JSEC |
3054 | if (prspiocbq) { |
3055 | if (piocb->context2) | |
3056 | return IOCB_ERROR; | |
3057 | piocb->context2 = prspiocbq; | |
dea3101e | 3058 | } |
3059 | ||
68876920 JSEC |
3060 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
3061 | piocb->context_un.wait_queue = &done_q; | |
3062 | piocb->iocb_flag &= ~LPFC_IO_WAKE; | |
dea3101e | 3063 | |
875fbdfe JSEC |
3064 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3065 | creg_val = readl(phba->HCregaddr); | |
3066 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
3067 | writel(creg_val, phba->HCregaddr); | |
3068 | readl(phba->HCregaddr); /* flush */ | |
3069 | } | |
3070 | ||
68876920 JSEC |
3071 | retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); |
3072 | if (retval == IOCB_SUCCESS) { | |
3073 | timeout_req = timeout * HZ; | |
3074 | spin_unlock_irq(phba->host->host_lock); | |
3075 | timeleft = wait_event_timeout(done_q, | |
3076 | piocb->iocb_flag & LPFC_IO_WAKE, | |
3077 | timeout_req); | |
3078 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 3079 | |
7054a606 JS |
3080 | if (piocb->iocb_flag & LPFC_IO_WAKE) { |
3081 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3082 | "%d:0331 IOCB wake signaled\n", | |
3083 | phba->brd_no); | |
3084 | } else if (timeleft == 0) { | |
68876920 | 3085 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
dca9479b | 3086 | "%d:0338 IOCB wait timeout error - no " |
68876920 JSEC |
3087 | "wake response Data x%x\n", |
3088 | phba->brd_no, timeout); | |
3089 | retval = IOCB_TIMEDOUT; | |
7054a606 | 3090 | } else { |
68876920 JSEC |
3091 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
3092 | "%d:0330 IOCB wake NOT set, " | |
3093 | "Data x%x x%lx\n", phba->brd_no, | |
3094 | timeout, (timeleft / jiffies)); | |
3095 | retval = IOCB_TIMEDOUT; | |
dea3101e | 3096 | } |
68876920 JSEC |
3097 | } else { |
3098 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3099 | "%d:0332 IOCB wait issue failed, Data x%x\n", | |
3100 | phba->brd_no, retval); | |
3101 | retval = IOCB_ERROR; | |
dea3101e | 3102 | } |
3103 | ||
875fbdfe JSEC |
3104 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3105 | creg_val = readl(phba->HCregaddr); | |
3106 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
3107 | writel(creg_val, phba->HCregaddr); | |
3108 | readl(phba->HCregaddr); /* flush */ | |
3109 | } | |
3110 | ||
68876920 JSEC |
3111 | if (prspiocbq) |
3112 | piocb->context2 = NULL; | |
3113 | ||
3114 | piocb->context_un.wait_queue = NULL; | |
3115 | piocb->iocb_cmpl = NULL; | |
dea3101e | 3116 | return retval; |
3117 | } | |
68876920 | 3118 | |
dea3101e | 3119 | int |
3120 | lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, | |
3121 | uint32_t timeout) | |
3122 | { | |
7259f0d0 | 3123 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
dea3101e | 3124 | int retval; |
3125 | ||
3126 | /* The caller must leave context1 empty. */ | |
3127 | if (pmboxq->context1 != 0) { | |
3128 | return (MBX_NOT_FINISHED); | |
3129 | } | |
3130 | ||
3131 | /* setup wake call as IOCB callback */ | |
3132 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
3133 | /* setup context field to pass wait_queue pointer to wake function */ | |
3134 | pmboxq->context1 = &done_q; | |
3135 | ||
dea3101e | 3136 | /* now issue the command */ |
3137 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
3138 | ||
3139 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { | |
7054a606 JS |
3140 | wait_event_interruptible_timeout(done_q, |
3141 | pmboxq->mbox_flag & LPFC_MBX_WAKE, | |
3142 | timeout * HZ); | |
3143 | ||
dea3101e | 3144 | pmboxq->context1 = NULL; |
7054a606 JS |
3145 | /* |
3146 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
3147 | * else do not free the resources. | |
3148 | */ | |
3149 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) | |
dea3101e | 3150 | retval = MBX_SUCCESS; |
7054a606 JS |
3151 | else |
3152 | retval = MBX_TIMEOUT; | |
dea3101e | 3153 | } |
3154 | ||
dea3101e | 3155 | return retval; |
3156 | } | |
3157 | ||
b4c02652 JS |
3158 | int |
3159 | lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) | |
3160 | { | |
3161 | int i = 0; | |
3162 | ||
3163 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !phba->stopped) { | |
3164 | if (i++ > LPFC_MBOX_TMO * 1000) | |
3165 | return 1; | |
3166 | ||
3167 | if (lpfc_sli_handle_mb_event(phba) == 0) | |
3168 | i = 0; | |
3169 | ||
3170 | msleep(1); | |
3171 | } | |
3172 | ||
3173 | return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; | |
3174 | } | |
3175 | ||
dea3101e | 3176 | irqreturn_t |
7d12e780 | 3177 | lpfc_intr_handler(int irq, void *dev_id) |
dea3101e | 3178 | { |
3179 | struct lpfc_hba *phba; | |
3180 | uint32_t ha_copy; | |
3181 | uint32_t work_ha_copy; | |
3182 | unsigned long status; | |
3183 | int i; | |
3184 | uint32_t control; | |
3185 | ||
3186 | /* | |
3187 | * Get the driver's phba structure from the dev_id and | |
3188 | * assume the HBA is not interrupting. | |
3189 | */ | |
3190 | phba = (struct lpfc_hba *) dev_id; | |
3191 | ||
3192 | if (unlikely(!phba)) | |
3193 | return IRQ_NONE; | |
3194 | ||
8d63f375 LV |
3195 | /* If the pci channel is offline, ignore all the interrupts. */ |
3196 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
3197 | return IRQ_NONE; | |
3198 | ||
dea3101e | 3199 | phba->sli.slistat.sli_intr++; |
3200 | ||
3201 | /* | |
3202 | * Call the HBA to see if it is interrupting. If not, don't claim | |
3203 | * the interrupt | |
3204 | */ | |
3205 | ||
3206 | /* Ignore all interrupts during initialization. */ | |
3207 | if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) | |
3208 | return IRQ_NONE; | |
3209 | ||
3210 | /* | |
3211 | * Read host attention register to determine interrupt source | |
3212 | * Clear Attention Sources, except Error Attention (to | |
3213 | * preserve status) and Link Attention | |
3214 | */ | |
3215 | spin_lock(phba->host->host_lock); | |
3216 | ha_copy = readl(phba->HAregaddr); | |
ebdbe65f JS |
3217 | /* If somebody is waiting to handle an eratt don't process it |
3218 | * here. The brdkill function will do this. | |
3219 | */ | |
3220 | if (phba->fc_flag & FC_IGNORE_ERATT) | |
3221 | ha_copy &= ~HA_ERATT; | |
dea3101e | 3222 | writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
3223 | readl(phba->HAregaddr); /* flush */ | |
3224 | spin_unlock(phba->host->host_lock); | |
3225 | ||
3226 | if (unlikely(!ha_copy)) | |
3227 | return IRQ_NONE; | |
3228 | ||
3229 | work_ha_copy = ha_copy & phba->work_ha_mask; | |
3230 | ||
3231 | if (unlikely(work_ha_copy)) { | |
3232 | if (work_ha_copy & HA_LATT) { | |
3233 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
3234 | /* | |
3235 | * Turn off Link Attention interrupts | |
3236 | * until CLEAR_LA done | |
3237 | */ | |
3238 | spin_lock(phba->host->host_lock); | |
3239 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; | |
3240 | control = readl(phba->HCregaddr); | |
3241 | control &= ~HC_LAINT_ENA; | |
3242 | writel(control, phba->HCregaddr); | |
3243 | readl(phba->HCregaddr); /* flush */ | |
3244 | spin_unlock(phba->host->host_lock); | |
3245 | } | |
3246 | else | |
3247 | work_ha_copy &= ~HA_LATT; | |
3248 | } | |
3249 | ||
3250 | if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { | |
3251 | for (i = 0; i < phba->sli.num_rings; i++) { | |
3252 | if (work_ha_copy & (HA_RXATT << (4*i))) { | |
3253 | /* | |
3254 | * Turn off Slow Rings interrupts | |
3255 | */ | |
3256 | spin_lock(phba->host->host_lock); | |
3257 | control = readl(phba->HCregaddr); | |
3258 | control &= ~(HC_R0INT_ENA << i); | |
3259 | writel(control, phba->HCregaddr); | |
3260 | readl(phba->HCregaddr); /* flush */ | |
3261 | spin_unlock(phba->host->host_lock); | |
3262 | } | |
3263 | } | |
3264 | } | |
3265 | ||
3266 | if (work_ha_copy & HA_ERATT) { | |
3267 | phba->hba_state = LPFC_HBA_ERROR; | |
3268 | /* | |
3269 | * There was a link/board error. Read the | |
3270 | * status register to retrieve the error event | |
3271 | * and process it. | |
3272 | */ | |
3273 | phba->sli.slistat.err_attn_event++; | |
3274 | /* Save status info */ | |
3275 | phba->work_hs = readl(phba->HSregaddr); | |
3276 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); | |
3277 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
3278 | ||
3279 | /* Clear Chip error bit */ | |
3280 | writel(HA_ERATT, phba->HAregaddr); | |
3281 | readl(phba->HAregaddr); /* flush */ | |
9290831f | 3282 | phba->stopped = 1; |
dea3101e | 3283 | } |
3284 | ||
3285 | spin_lock(phba->host->host_lock); | |
3286 | phba->work_ha |= work_ha_copy; | |
3287 | if (phba->work_wait) | |
3288 | wake_up(phba->work_wait); | |
3289 | spin_unlock(phba->host->host_lock); | |
3290 | } | |
3291 | ||
3292 | ha_copy &= ~(phba->work_ha_mask); | |
3293 | ||
3294 | /* | |
3295 | * Process all events on FCP ring. Take the optimized path for | |
3296 | * FCP IO. Any other IO is slow path and is handled by | |
3297 | * the worker thread. | |
3298 | */ | |
3299 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
3300 | status >>= (4*LPFC_FCP_RING); | |
3301 | if (status & HA_RXATT) | |
3302 | lpfc_sli_handle_fast_ring_event(phba, | |
3303 | &phba->sli.ring[LPFC_FCP_RING], | |
3304 | status); | |
a4bc3379 JS |
3305 | |
3306 | if (phba->cfg_multi_ring_support == 2) { | |
3307 | /* | |
3308 | * Process all events on extra ring. Take the optimized path | |
3309 | * for extra ring IO. Any other IO is slow path and is handled | |
3310 | * by the worker thread. | |
3311 | */ | |
3312 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
3313 | status >>= (4*LPFC_EXTRA_RING); | |
3314 | if (status & HA_RXATT) { | |
3315 | lpfc_sli_handle_fast_ring_event(phba, | |
3316 | &phba->sli.ring[LPFC_EXTRA_RING], | |
3317 | status); | |
3318 | } | |
3319 | } | |
dea3101e | 3320 | return IRQ_HANDLED; |
3321 | ||
3322 | } /* lpfc_intr_handler */ |