1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channsel Host Bus Adapters. *
4 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 ********************************************************************/
23 #include <linux/pci.h>
24 #include <linux/slab.h>
25 #include <linux/interrupt.h>
26 #include <linux/delay.h>
27 #include <asm/unaligned.h>
28 #include <linux/crc-t10dif.h>
29 #include <net/checksum.h>
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_eh.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_tcq.h>
36 #include <scsi/scsi_transport_fc.h>
37 #include <scsi/fc/fc_fs.h>
39 #include <../drivers/nvme/host/nvme.h>
40 #include <linux/nvme-fc-driver.h>
42 #include "lpfc_version.h"
46 #include "lpfc_sli4.h"
48 #include "lpfc_disc.h"
50 #include "lpfc_scsi.h"
51 #include "lpfc_nvme.h"
52 #include "lpfc_nvmet.h"
53 #include "lpfc_logmsg.h"
54 #include "lpfc_crtn.h"
55 #include "lpfc_vport.h"
56 #include "lpfc_debugfs.h"
58 static struct lpfc_iocbq
*lpfc_nvmet_prep_ls_wqe(struct lpfc_hba
*,
59 struct lpfc_nvmet_rcv_ctx
*,
62 static struct lpfc_iocbq
*lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba
*,
63 struct lpfc_nvmet_rcv_ctx
*);
64 static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba
*,
65 struct lpfc_nvmet_rcv_ctx
*,
67 static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba
*,
68 struct lpfc_nvmet_rcv_ctx
*,
70 static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba
*,
71 struct lpfc_nvmet_rcv_ctx
*,
75 * lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response
76 * @phba: Pointer to HBA context object.
77 * @cmdwqe: Pointer to driver command WQE object.
78 * @wcqe: Pointer to driver response CQE object.
80 * The function is called from SLI ring event handler with no
81 * lock held. This function is the completion handler for NVME LS commands
82 * The function frees memory resources used for the NVME commands.
85 lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdwqe
,
86 struct lpfc_wcqe_complete
*wcqe
)
88 struct lpfc_nvmet_tgtport
*tgtp
;
89 struct nvmefc_tgt_ls_req
*rsp
;
90 struct lpfc_nvmet_rcv_ctx
*ctxp
;
91 uint32_t status
, result
;
93 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
94 result
= wcqe
->parameter
;
95 if (!phba
->targetport
)
98 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
101 atomic_inc(&tgtp
->xmt_ls_rsp_error
);
103 atomic_inc(&tgtp
->xmt_ls_rsp_cmpl
);
106 ctxp
= cmdwqe
->context2
;
107 rsp
= &ctxp
->ctx
.ls_req
;
109 lpfc_nvmeio_data(phba
, "NVMET LS CMPL: xri x%x stat x%x result x%x\n",
110 ctxp
->oxid
, status
, result
);
112 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
113 "6038 %s: Entrypoint: ctx %p status %x/%x\n", __func__
,
114 ctxp
, status
, result
);
116 lpfc_nlp_put(cmdwqe
->context1
);
117 cmdwqe
->context2
= NULL
;
118 cmdwqe
->context3
= NULL
;
119 lpfc_sli_release_iocbq(phba
, cmdwqe
);
125 * lpfc_nvmet_rq_post - Repost a NVMET RQ DMA buffer and clean up context
126 * @phba: HBA buffer is associated with
127 * @ctxp: context to clean up
128 * @mp: Buffer to free
130 * Description: Frees the given DMA buffer in the appropriate way given by
131 * reposting it to its associated RQ so it can be reused.
133 * Notes: Takes phba->hbalock. Can be called with or without other locks held.
138 lpfc_nvmet_rq_post(struct lpfc_hba
*phba
, struct lpfc_nvmet_rcv_ctx
*ctxp
,
139 struct lpfc_dmabuf
*mp
)
143 pci_pool_free(phba
->txrdy_payload_pool
, ctxp
->txrdy
,
146 ctxp
->txrdy_phys
= 0;
148 ctxp
->state
= LPFC_NVMET_STE_FREE
;
150 lpfc_rq_buf_free(phba
, mp
);
153 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
155 lpfc_nvmet_ktime(struct lpfc_hba
*phba
,
156 struct lpfc_nvmet_rcv_ctx
*ctxp
)
158 uint64_t seg1
, seg2
, seg3
, seg4
, seg5
;
159 uint64_t seg6
, seg7
, seg8
, seg9
, seg10
;
164 if (!ctxp
->ts_isr_cmd
|| !ctxp
->ts_cmd_nvme
||
165 !ctxp
->ts_nvme_data
|| !ctxp
->ts_data_wqput
||
166 !ctxp
->ts_isr_data
|| !ctxp
->ts_data_nvme
||
167 !ctxp
->ts_nvme_status
|| !ctxp
->ts_status_wqput
||
168 !ctxp
->ts_isr_status
|| !ctxp
->ts_status_nvme
)
171 if (ctxp
->ts_isr_cmd
> ctxp
->ts_cmd_nvme
)
173 if (ctxp
->ts_cmd_nvme
> ctxp
->ts_nvme_data
)
175 if (ctxp
->ts_nvme_data
> ctxp
->ts_data_wqput
)
177 if (ctxp
->ts_data_wqput
> ctxp
->ts_isr_data
)
179 if (ctxp
->ts_isr_data
> ctxp
->ts_data_nvme
)
181 if (ctxp
->ts_data_nvme
> ctxp
->ts_nvme_status
)
183 if (ctxp
->ts_nvme_status
> ctxp
->ts_status_wqput
)
185 if (ctxp
->ts_status_wqput
> ctxp
->ts_isr_status
)
187 if (ctxp
->ts_isr_status
> ctxp
->ts_status_nvme
)
190 * Segment 1 - Time from FCP command received by MSI-X ISR
191 * to FCP command is passed to NVME Layer.
192 * Segment 2 - Time from FCP command payload handed
193 * off to NVME Layer to Driver receives a Command op
195 * Segment 3 - Time from Driver receives a Command op
196 * from NVME Layer to Command is put on WQ.
197 * Segment 4 - Time from Driver WQ put is done
198 * to MSI-X ISR for Command cmpl.
199 * Segment 5 - Time from MSI-X ISR for Command cmpl to
200 * Command cmpl is passed to NVME Layer.
201 * Segment 6 - Time from Command cmpl is passed to NVME
202 * Layer to Driver receives a RSP op from NVME Layer.
203 * Segment 7 - Time from Driver receives a RSP op from
204 * NVME Layer to WQ put is done on TRSP FCP Status.
205 * Segment 8 - Time from Driver WQ put is done on TRSP
206 * FCP Status to MSI-X ISR for TRSP cmpl.
207 * Segment 9 - Time from MSI-X ISR for TRSP cmpl to
208 * TRSP cmpl is passed to NVME Layer.
209 * Segment 10 - Time from FCP command received by
210 * MSI-X ISR to command is completed on wire.
211 * (Segments 1 thru 8) for READDATA / WRITEDATA
212 * (Segments 1 thru 4) for READDATA_RSP
214 seg1
= ctxp
->ts_cmd_nvme
- ctxp
->ts_isr_cmd
;
215 seg2
= (ctxp
->ts_nvme_data
- ctxp
->ts_isr_cmd
) - seg1
;
216 seg3
= (ctxp
->ts_data_wqput
- ctxp
->ts_isr_cmd
) -
218 seg4
= (ctxp
->ts_isr_data
- ctxp
->ts_isr_cmd
) -
220 seg5
= (ctxp
->ts_data_nvme
- ctxp
->ts_isr_cmd
) -
221 seg1
- seg2
- seg3
- seg4
;
223 /* For auto rsp commands seg6 thru seg10 will be 0 */
224 if (ctxp
->ts_nvme_status
> ctxp
->ts_data_nvme
) {
225 seg6
= (ctxp
->ts_nvme_status
-
227 seg1
- seg2
- seg3
- seg4
- seg5
;
228 seg7
= (ctxp
->ts_status_wqput
-
232 seg8
= (ctxp
->ts_isr_status
-
234 seg1
- seg2
- seg3
- seg4
-
236 seg9
= (ctxp
->ts_status_nvme
-
238 seg1
- seg2
- seg3
- seg4
-
239 seg5
- seg6
- seg7
- seg8
;
240 seg10
= (ctxp
->ts_isr_status
-
247 seg10
= (ctxp
->ts_isr_data
- ctxp
->ts_isr_cmd
);
250 phba
->ktime_seg1_total
+= seg1
;
251 if (seg1
< phba
->ktime_seg1_min
)
252 phba
->ktime_seg1_min
= seg1
;
253 else if (seg1
> phba
->ktime_seg1_max
)
254 phba
->ktime_seg1_max
= seg1
;
256 phba
->ktime_seg2_total
+= seg2
;
257 if (seg2
< phba
->ktime_seg2_min
)
258 phba
->ktime_seg2_min
= seg2
;
259 else if (seg2
> phba
->ktime_seg2_max
)
260 phba
->ktime_seg2_max
= seg2
;
262 phba
->ktime_seg3_total
+= seg3
;
263 if (seg3
< phba
->ktime_seg3_min
)
264 phba
->ktime_seg3_min
= seg3
;
265 else if (seg3
> phba
->ktime_seg3_max
)
266 phba
->ktime_seg3_max
= seg3
;
268 phba
->ktime_seg4_total
+= seg4
;
269 if (seg4
< phba
->ktime_seg4_min
)
270 phba
->ktime_seg4_min
= seg4
;
271 else if (seg4
> phba
->ktime_seg4_max
)
272 phba
->ktime_seg4_max
= seg4
;
274 phba
->ktime_seg5_total
+= seg5
;
275 if (seg5
< phba
->ktime_seg5_min
)
276 phba
->ktime_seg5_min
= seg5
;
277 else if (seg5
> phba
->ktime_seg5_max
)
278 phba
->ktime_seg5_max
= seg5
;
280 phba
->ktime_data_samples
++;
284 phba
->ktime_seg6_total
+= seg6
;
285 if (seg6
< phba
->ktime_seg6_min
)
286 phba
->ktime_seg6_min
= seg6
;
287 else if (seg6
> phba
->ktime_seg6_max
)
288 phba
->ktime_seg6_max
= seg6
;
290 phba
->ktime_seg7_total
+= seg7
;
291 if (seg7
< phba
->ktime_seg7_min
)
292 phba
->ktime_seg7_min
= seg7
;
293 else if (seg7
> phba
->ktime_seg7_max
)
294 phba
->ktime_seg7_max
= seg7
;
296 phba
->ktime_seg8_total
+= seg8
;
297 if (seg8
< phba
->ktime_seg8_min
)
298 phba
->ktime_seg8_min
= seg8
;
299 else if (seg8
> phba
->ktime_seg8_max
)
300 phba
->ktime_seg8_max
= seg8
;
302 phba
->ktime_seg9_total
+= seg9
;
303 if (seg9
< phba
->ktime_seg9_min
)
304 phba
->ktime_seg9_min
= seg9
;
305 else if (seg9
> phba
->ktime_seg9_max
)
306 phba
->ktime_seg9_max
= seg9
;
308 phba
->ktime_seg10_total
+= seg10
;
309 if (seg10
< phba
->ktime_seg10_min
)
310 phba
->ktime_seg10_min
= seg10
;
311 else if (seg10
> phba
->ktime_seg10_max
)
312 phba
->ktime_seg10_max
= seg10
;
313 phba
->ktime_status_samples
++;
318 * lpfc_nvmet_xmt_fcp_op_cmp - Completion handler for FCP Response
319 * @phba: Pointer to HBA context object.
320 * @cmdwqe: Pointer to driver command WQE object.
321 * @wcqe: Pointer to driver response CQE object.
323 * The function is called from SLI ring event handler with no
324 * lock held. This function is the completion handler for NVME FCP commands
325 * The function frees memory resources used for the NVME commands.
328 lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdwqe
,
329 struct lpfc_wcqe_complete
*wcqe
)
331 struct lpfc_nvmet_tgtport
*tgtp
;
332 struct nvmefc_tgt_fcp_req
*rsp
;
333 struct lpfc_nvmet_rcv_ctx
*ctxp
;
334 uint32_t status
, result
, op
, start_clean
;
335 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
339 ctxp
= cmdwqe
->context2
;
340 rsp
= &ctxp
->ctx
.fcp_req
;
342 ctxp
->flag
&= ~LPFC_NVMET_IO_INP
;
344 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
345 result
= wcqe
->parameter
;
347 if (!phba
->targetport
)
350 lpfc_nvmeio_data(phba
, "NVMET FCP CMPL: xri x%x op x%x status x%x\n",
351 ctxp
->oxid
, op
, status
);
353 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
355 rsp
->fcp_error
= NVME_SC_DATA_XFER_ERROR
;
356 rsp
->transferred_length
= 0;
357 atomic_inc(&tgtp
->xmt_fcp_rsp_error
);
359 rsp
->fcp_error
= NVME_SC_SUCCESS
;
360 if (op
== NVMET_FCOP_RSP
)
361 rsp
->transferred_length
= rsp
->rsplen
;
363 rsp
->transferred_length
= rsp
->transfer_length
;
364 atomic_inc(&tgtp
->xmt_fcp_rsp_cmpl
);
368 if ((op
== NVMET_FCOP_READDATA_RSP
) ||
369 (op
== NVMET_FCOP_RSP
)) {
371 ctxp
->state
= LPFC_NVMET_STE_DONE
;
373 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
374 if (phba
->ktime_on
) {
375 if (rsp
->op
== NVMET_FCOP_READDATA_RSP
) {
377 cmdwqe
->isr_timestamp
;
380 ctxp
->ts_nvme_status
=
382 ctxp
->ts_status_wqput
=
384 ctxp
->ts_isr_status
=
386 ctxp
->ts_status_nvme
=
389 ctxp
->ts_isr_status
=
390 cmdwqe
->isr_timestamp
;
391 ctxp
->ts_status_nvme
=
395 if (phba
->cpucheck_on
& LPFC_CHECK_NVMET_IO
) {
396 id
= smp_processor_id();
398 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
399 "6703 CPU Check cmpl: "
400 "cpu %d expect %d\n",
402 if (ctxp
->cpu
< LPFC_CHECK_CPU_CNT
)
403 phba
->cpucheck_cmpl_io
[id
]++;
407 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
409 lpfc_nvmet_ktime(phba
, ctxp
);
411 /* Let Abort cmpl repost the context */
412 if (!(ctxp
->flag
& LPFC_NVMET_ABORT_OP
))
413 lpfc_nvmet_rq_post(phba
, ctxp
, &ctxp
->rqb_buffer
->hbuf
);
416 start_clean
= offsetof(struct lpfc_iocbq
, wqe
);
417 memset(((char *)cmdwqe
) + start_clean
, 0,
418 (sizeof(struct lpfc_iocbq
) - start_clean
));
419 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
420 if (phba
->ktime_on
) {
421 ctxp
->ts_isr_data
= cmdwqe
->isr_timestamp
;
422 ctxp
->ts_data_nvme
= ktime_get_ns();
424 if (phba
->cpucheck_on
& LPFC_CHECK_NVMET_IO
) {
425 id
= smp_processor_id();
427 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
428 "6704 CPU Check cmdcmpl: "
429 "cpu %d expect %d\n",
431 if (ctxp
->cpu
< LPFC_CHECK_CPU_CNT
)
432 phba
->cpucheck_ccmpl_io
[id
]++;
440 lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port
*tgtport
,
441 struct nvmefc_tgt_ls_req
*rsp
)
443 struct lpfc_nvmet_rcv_ctx
*ctxp
=
444 container_of(rsp
, struct lpfc_nvmet_rcv_ctx
, ctx
.ls_req
);
445 struct lpfc_hba
*phba
= ctxp
->phba
;
446 struct hbq_dmabuf
*nvmebuf
=
447 (struct hbq_dmabuf
*)ctxp
->rqb_buffer
;
448 struct lpfc_iocbq
*nvmewqeq
;
449 struct lpfc_nvmet_tgtport
*nvmep
= tgtport
->private;
450 struct lpfc_dmabuf dmabuf
;
451 struct ulp_bde64 bpl
;
454 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
455 "6023 %s: Entrypoint ctx %p %p\n", __func__
,
458 nvmewqeq
= lpfc_nvmet_prep_ls_wqe(phba
, ctxp
, rsp
->rspdma
,
460 if (nvmewqeq
== NULL
) {
461 atomic_inc(&nvmep
->xmt_ls_drop
);
462 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
463 "6150 LS Drop IO x%x: Prep\n",
465 lpfc_in_buf_free(phba
, &nvmebuf
->dbuf
);
466 lpfc_nvmet_unsol_ls_issue_abort(phba
, ctxp
,
467 ctxp
->sid
, ctxp
->oxid
);
471 /* Save numBdes for bpl2sgl */
473 nvmewqeq
->hba_wqidx
= 0;
474 nvmewqeq
->context3
= &dmabuf
;
476 bpl
.addrLow
= nvmewqeq
->wqe
.xmit_sequence
.bde
.addrLow
;
477 bpl
.addrHigh
= nvmewqeq
->wqe
.xmit_sequence
.bde
.addrHigh
;
478 bpl
.tus
.f
.bdeSize
= rsp
->rsplen
;
479 bpl
.tus
.f
.bdeFlags
= 0;
480 bpl
.tus
.w
= le32_to_cpu(bpl
.tus
.w
);
482 nvmewqeq
->wqe_cmpl
= lpfc_nvmet_xmt_ls_rsp_cmp
;
483 nvmewqeq
->iocb_cmpl
= NULL
;
484 nvmewqeq
->context2
= ctxp
;
486 lpfc_nvmeio_data(phba
, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n",
487 ctxp
->oxid
, nvmewqeq
->hba_wqidx
, rsp
->rsplen
);
489 rc
= lpfc_sli4_issue_wqe(phba
, LPFC_ELS_RING
, nvmewqeq
);
490 if (rc
== WQE_SUCCESS
) {
492 * Okay to repost buffer here, but wait till cmpl
493 * before freeing ctxp and iocbq.
495 lpfc_in_buf_free(phba
, &nvmebuf
->dbuf
);
496 ctxp
->rqb_buffer
= 0;
497 atomic_inc(&nvmep
->xmt_ls_rsp
);
500 /* Give back resources */
501 atomic_inc(&nvmep
->xmt_ls_drop
);
502 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
503 "6151 LS Drop IO x%x: Issue %d\n",
506 lpfc_nlp_put(nvmewqeq
->context1
);
508 lpfc_in_buf_free(phba
, &nvmebuf
->dbuf
);
509 lpfc_nvmet_unsol_ls_issue_abort(phba
, ctxp
, ctxp
->sid
, ctxp
->oxid
);
514 lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port
*tgtport
,
515 struct nvmefc_tgt_fcp_req
*rsp
)
517 struct lpfc_nvmet_tgtport
*lpfc_nvmep
= tgtport
->private;
518 struct lpfc_nvmet_rcv_ctx
*ctxp
=
519 container_of(rsp
, struct lpfc_nvmet_rcv_ctx
, ctx
.fcp_req
);
520 struct lpfc_hba
*phba
= ctxp
->phba
;
521 struct lpfc_iocbq
*nvmewqeq
;
522 unsigned long iflags
;
525 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
526 if (phba
->ktime_on
) {
527 if (rsp
->op
== NVMET_FCOP_RSP
)
528 ctxp
->ts_nvme_status
= ktime_get_ns();
530 ctxp
->ts_nvme_data
= ktime_get_ns();
532 if (phba
->cpucheck_on
& LPFC_CHECK_NVMET_IO
) {
533 int id
= smp_processor_id();
535 if (id
< LPFC_CHECK_CPU_CNT
)
536 phba
->cpucheck_xmt_io
[id
]++;
537 if (rsp
->hwqid
!= id
) {
538 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
539 "6705 CPU Check OP: "
540 "cpu %d expect %d\n",
542 ctxp
->cpu
= rsp
->hwqid
;
547 if (rsp
->op
== NVMET_FCOP_ABORT
) {
548 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_ABTS
,
549 "6103 Abort op: oxri x%x %d cnt %d\n",
550 ctxp
->oxid
, ctxp
->state
, ctxp
->entry_cnt
);
552 lpfc_nvmeio_data(phba
, "NVMET FCP ABRT: "
553 "xri x%x state x%x cnt x%x\n",
554 ctxp
->oxid
, ctxp
->state
, ctxp
->entry_cnt
);
556 atomic_inc(&lpfc_nvmep
->xmt_fcp_abort
);
558 ctxp
->flag
|= LPFC_NVMET_ABORT_OP
;
559 if (ctxp
->flag
& LPFC_NVMET_IO_INP
)
560 lpfc_nvmet_sol_fcp_issue_abort(phba
, ctxp
, ctxp
->sid
,
563 lpfc_nvmet_unsol_fcp_issue_abort(phba
, ctxp
, ctxp
->sid
,
569 if (ctxp
->state
== LPFC_NVMET_STE_ABORT
) {
570 atomic_inc(&lpfc_nvmep
->xmt_fcp_drop
);
571 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
572 "6102 Bad state IO x%x aborted\n",
578 nvmewqeq
= lpfc_nvmet_prep_fcp_wqe(phba
, ctxp
);
579 if (nvmewqeq
== NULL
) {
580 atomic_inc(&lpfc_nvmep
->xmt_fcp_drop
);
581 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
582 "6152 FCP Drop IO x%x: Prep\n",
588 nvmewqeq
->wqe_cmpl
= lpfc_nvmet_xmt_fcp_op_cmp
;
589 nvmewqeq
->iocb_cmpl
= NULL
;
590 nvmewqeq
->context2
= ctxp
;
591 nvmewqeq
->iocb_flag
|= LPFC_IO_NVMET
;
592 ctxp
->wqeq
->hba_wqidx
= rsp
->hwqid
;
594 lpfc_nvmeio_data(phba
, "NVMET FCP CMND: xri x%x op x%x len x%x\n",
595 ctxp
->oxid
, rsp
->op
, rsp
->rsplen
);
597 /* For now we take hbalock */
598 spin_lock_irqsave(&phba
->hbalock
, iflags
);
599 rc
= lpfc_sli4_issue_wqe(phba
, LPFC_FCP_RING
, nvmewqeq
);
600 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
601 if (rc
== WQE_SUCCESS
) {
602 ctxp
->flag
|= LPFC_NVMET_IO_INP
;
603 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
606 if (rsp
->op
== NVMET_FCOP_RSP
)
607 ctxp
->ts_status_wqput
= ktime_get_ns();
609 ctxp
->ts_data_wqput
= ktime_get_ns();
614 /* Give back resources */
615 atomic_inc(&lpfc_nvmep
->xmt_fcp_drop
);
616 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
617 "6153 FCP Drop IO x%x: Issue: %d\n",
620 ctxp
->wqeq
->hba_wqidx
= 0;
621 nvmewqeq
->context2
= NULL
;
622 nvmewqeq
->context3
= NULL
;
629 lpfc_nvmet_targetport_delete(struct nvmet_fc_target_port
*targetport
)
631 struct lpfc_nvmet_tgtport
*tport
= targetport
->private;
633 /* release any threads waiting for the unreg to complete */
634 complete(&tport
->tport_unreg_done
);
637 static struct nvmet_fc_target_template lpfc_tgttemplate
= {
638 .targetport_delete
= lpfc_nvmet_targetport_delete
,
639 .xmt_ls_rsp
= lpfc_nvmet_xmt_ls_rsp
,
640 .fcp_op
= lpfc_nvmet_xmt_fcp_op
,
643 .max_sgl_segments
= LPFC_NVMET_DEFAULT_SEGS
,
644 .max_dif_sgl_segments
= LPFC_NVMET_DEFAULT_SEGS
,
645 .dma_boundary
= 0xFFFFFFFF,
647 /* optional features */
648 .target_features
= 0,
649 /* sizes of additional private data for data structures */
650 .target_priv_sz
= sizeof(struct lpfc_nvmet_tgtport
),
654 lpfc_nvmet_create_targetport(struct lpfc_hba
*phba
)
656 struct lpfc_vport
*vport
= phba
->pport
;
657 struct lpfc_nvmet_tgtport
*tgtp
;
658 struct nvmet_fc_port_info pinfo
;
661 if (phba
->targetport
)
664 memset(&pinfo
, 0, sizeof(struct nvmet_fc_port_info
));
665 pinfo
.node_name
= wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
666 pinfo
.port_name
= wwn_to_u64(vport
->fc_portname
.u
.wwn
);
667 pinfo
.port_id
= vport
->fc_myDID
;
669 lpfc_tgttemplate
.max_hw_queues
= phba
->cfg_nvme_io_channel
;
670 lpfc_tgttemplate
.max_sgl_segments
= phba
->cfg_sg_seg_cnt
;
671 lpfc_tgttemplate
.target_features
= NVMET_FCTGTFEAT_READDATA_RSP
|
672 NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED
;
674 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
675 error
= nvmet_fc_register_targetport(&pinfo
, &lpfc_tgttemplate
,
682 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_DISC
,
683 "6025 Cannot register NVME targetport "
685 phba
->targetport
= NULL
;
687 tgtp
= (struct lpfc_nvmet_tgtport
*)
688 phba
->targetport
->private;
691 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
692 "6026 Registered NVME "
693 "targetport: %p, private %p "
694 "portnm %llx nodenm %llx\n",
695 phba
->targetport
, tgtp
,
696 pinfo
.port_name
, pinfo
.node_name
);
698 atomic_set(&tgtp
->rcv_ls_req_in
, 0);
699 atomic_set(&tgtp
->rcv_ls_req_out
, 0);
700 atomic_set(&tgtp
->rcv_ls_req_drop
, 0);
701 atomic_set(&tgtp
->xmt_ls_abort
, 0);
702 atomic_set(&tgtp
->xmt_ls_rsp
, 0);
703 atomic_set(&tgtp
->xmt_ls_drop
, 0);
704 atomic_set(&tgtp
->xmt_ls_rsp_error
, 0);
705 atomic_set(&tgtp
->xmt_ls_rsp_cmpl
, 0);
706 atomic_set(&tgtp
->rcv_fcp_cmd_in
, 0);
707 atomic_set(&tgtp
->rcv_fcp_cmd_out
, 0);
708 atomic_set(&tgtp
->rcv_fcp_cmd_drop
, 0);
709 atomic_set(&tgtp
->xmt_fcp_abort
, 0);
710 atomic_set(&tgtp
->xmt_fcp_drop
, 0);
711 atomic_set(&tgtp
->xmt_fcp_read_rsp
, 0);
712 atomic_set(&tgtp
->xmt_fcp_read
, 0);
713 atomic_set(&tgtp
->xmt_fcp_write
, 0);
714 atomic_set(&tgtp
->xmt_fcp_rsp
, 0);
715 atomic_set(&tgtp
->xmt_fcp_rsp_cmpl
, 0);
716 atomic_set(&tgtp
->xmt_fcp_rsp_error
, 0);
717 atomic_set(&tgtp
->xmt_fcp_rsp_drop
, 0);
718 atomic_set(&tgtp
->xmt_abort_rsp
, 0);
719 atomic_set(&tgtp
->xmt_abort_rsp_error
, 0);
720 atomic_set(&tgtp
->xmt_abort_cmpl
, 0);
726 lpfc_nvmet_update_targetport(struct lpfc_hba
*phba
)
728 struct lpfc_vport
*vport
= phba
->pport
;
730 if (!phba
->targetport
)
733 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NVME
,
734 "6007 Update NVMET port %p did x%x\n",
735 phba
->targetport
, vport
->fc_myDID
);
737 phba
->targetport
->port_id
= vport
->fc_myDID
;
742 * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort
743 * @phba: pointer to lpfc hba data structure.
744 * @axri: pointer to the nvmet xri abort wcqe structure.
746 * This routine is invoked by the worker thread to process a SLI4 fast-path
750 lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba
*phba
,
751 struct sli4_wcqe_xri_aborted
*axri
)
753 /* TODO: work in progress */
757 lpfc_nvmet_destroy_targetport(struct lpfc_hba
*phba
)
759 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
760 struct lpfc_nvmet_tgtport
*tgtp
;
762 if (phba
->nvmet_support
== 0)
764 if (phba
->targetport
) {
765 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
766 init_completion(&tgtp
->tport_unreg_done
);
767 nvmet_fc_unregister_targetport(phba
->targetport
);
768 wait_for_completion_timeout(&tgtp
->tport_unreg_done
, 5);
770 phba
->targetport
= NULL
;
775 * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer
776 * @phba: pointer to lpfc hba data structure.
777 * @pring: pointer to a SLI ring.
778 * @nvmebuf: pointer to lpfc nvme command HBQ data structure.
780 * This routine is used for processing the WQE associated with a unsolicited
781 * event. It first determines whether there is an existing ndlp that matches
782 * the DID from the unsolicited WQE. If not, it will create a new one with
783 * the DID from the unsolicited WQE. The ELS command from the unsolicited
784 * WQE is then used to invoke the proper routine and to set up proper state
785 * of the discovery state machine.
788 lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
789 struct hbq_dmabuf
*nvmebuf
)
791 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
792 struct lpfc_nvmet_tgtport
*tgtp
;
793 struct fc_frame_header
*fc_hdr
;
794 struct lpfc_nvmet_rcv_ctx
*ctxp
;
796 uint32_t size
, oxid
, sid
, rc
;
798 if (!nvmebuf
|| !phba
->targetport
) {
799 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
800 "6154 LS Drop IO\n");
807 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
808 payload
= (uint32_t *)(nvmebuf
->dbuf
.virt
);
809 fc_hdr
= (struct fc_frame_header
*)(nvmebuf
->hbuf
.virt
);
810 size
= bf_get(lpfc_rcqe_length
, &nvmebuf
->cq_event
.cqe
.rcqe_cmpl
);
811 oxid
= be16_to_cpu(fc_hdr
->fh_ox_id
);
812 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
814 ctxp
= kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx
), GFP_ATOMIC
);
816 atomic_inc(&tgtp
->rcv_ls_req_drop
);
817 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
818 "6155 LS Drop IO x%x: Alloc\n",
821 lpfc_nvmeio_data(phba
, "NVMET LS DROP: "
822 "xri x%x sz %d from %06x\n",
825 lpfc_in_buf_free(phba
, &nvmebuf
->dbuf
);
833 ctxp
->state
= LPFC_NVMET_STE_RCV
;
834 ctxp
->rqb_buffer
= (void *)nvmebuf
;
836 lpfc_nvmeio_data(phba
, "NVMET LS RCV: xri x%x sz %d from %06x\n",
839 * The calling sequence should be:
840 * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done
841 * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp.
843 atomic_inc(&tgtp
->rcv_ls_req_in
);
844 rc
= nvmet_fc_rcv_ls_req(phba
->targetport
, &ctxp
->ctx
.ls_req
,
847 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
848 "6037 %s: ctx %p sz %d rc %d: %08x %08x %08x "
849 "%08x %08x %08x\n", __func__
, ctxp
, size
, rc
,
850 *payload
, *(payload
+1), *(payload
+2),
851 *(payload
+3), *(payload
+4), *(payload
+5));
854 atomic_inc(&tgtp
->rcv_ls_req_out
);
858 lpfc_nvmeio_data(phba
, "NVMET LS DROP: xri x%x sz %d from %06x\n",
861 atomic_inc(&tgtp
->rcv_ls_req_drop
);
862 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
863 "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n",
866 /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */
868 lpfc_in_buf_free(phba
, &nvmebuf
->dbuf
);
870 atomic_inc(&tgtp
->xmt_ls_abort
);
871 lpfc_nvmet_unsol_ls_issue_abort(phba
, ctxp
, sid
, oxid
);
876 * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer
877 * @phba: pointer to lpfc hba data structure.
878 * @pring: pointer to a SLI ring.
879 * @nvmebuf: pointer to lpfc nvme command HBQ data structure.
881 * This routine is used for processing the WQE associated with a unsolicited
882 * event. It first determines whether there is an existing ndlp that matches
883 * the DID from the unsolicited WQE. If not, it will create a new one with
884 * the DID from the unsolicited WQE. The ELS command from the unsolicited
885 * WQE is then used to invoke the proper routine and to set up proper state
886 * of the discovery state machine.
889 lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba
*phba
,
890 struct lpfc_sli_ring
*pring
,
891 struct rqb_dmabuf
*nvmebuf
,
892 uint64_t isr_timestamp
)
894 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
895 struct lpfc_nvmet_rcv_ctx
*ctxp
;
896 struct lpfc_nvmet_tgtport
*tgtp
;
897 struct fc_frame_header
*fc_hdr
;
899 uint32_t size
, oxid
, sid
, rc
;
900 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
904 if (!nvmebuf
|| !phba
->targetport
) {
905 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
906 "6157 FCP Drop IO\n");
914 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
915 payload
= (uint32_t *)(nvmebuf
->dbuf
.virt
);
916 fc_hdr
= (struct fc_frame_header
*)(nvmebuf
->hbuf
.virt
);
917 size
= nvmebuf
->bytes_recv
;
918 oxid
= be16_to_cpu(fc_hdr
->fh_ox_id
);
919 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
921 ctxp
= (struct lpfc_nvmet_rcv_ctx
*)nvmebuf
->context
;
923 atomic_inc(&tgtp
->rcv_fcp_cmd_drop
);
924 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
925 "6158 FCP Drop IO x%x: Alloc\n",
927 lpfc_nvmet_rq_post(phba
, NULL
, &nvmebuf
->hbuf
);
928 /* Cannot send ABTS without context */
931 memset(ctxp
, 0, sizeof(ctxp
->ctx
));
939 ctxp
->state
= LPFC_NVMET_STE_RCV
;
940 ctxp
->rqb_buffer
= nvmebuf
;
944 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
945 if (phba
->ktime_on
) {
946 ctxp
->ts_isr_cmd
= isr_timestamp
;
947 ctxp
->ts_cmd_nvme
= ktime_get_ns();
948 ctxp
->ts_nvme_data
= 0;
949 ctxp
->ts_data_wqput
= 0;
950 ctxp
->ts_isr_data
= 0;
951 ctxp
->ts_data_nvme
= 0;
952 ctxp
->ts_nvme_status
= 0;
953 ctxp
->ts_status_wqput
= 0;
954 ctxp
->ts_isr_status
= 0;
955 ctxp
->ts_status_nvme
= 0;
958 if (phba
->cpucheck_on
& LPFC_CHECK_NVMET_RCV
) {
959 id
= smp_processor_id();
960 if (id
< LPFC_CHECK_CPU_CNT
)
961 phba
->cpucheck_rcv_io
[id
]++;
965 lpfc_nvmeio_data(phba
, "NVMET FCP RCV: xri x%x sz %d from %06x\n",
968 atomic_inc(&tgtp
->rcv_fcp_cmd_in
);
970 * The calling sequence should be:
971 * nvmet_fc_rcv_fcp_req -> lpfc_nvmet_xmt_fcp_op/cmp -> req->done
972 * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp.
974 rc
= nvmet_fc_rcv_fcp_req(phba
->targetport
, &ctxp
->ctx
.fcp_req
,
977 /* Process FCP command */
979 atomic_inc(&tgtp
->rcv_fcp_cmd_out
);
983 atomic_inc(&tgtp
->rcv_fcp_cmd_drop
);
984 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
985 "6159 FCP Drop IO x%x: err x%x\n",
988 lpfc_nvmeio_data(phba
, "NVMET FCP DROP: xri x%x sz %d from %06x\n",
991 lpfc_nvmet_unsol_fcp_issue_abort(phba
, ctxp
, sid
, oxid
);
996 nvmebuf
->iocbq
->hba_wqidx
= 0;
997 /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */
998 lpfc_nvmet_rq_post(phba
, NULL
, &nvmebuf
->hbuf
);
1004 * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport
1005 * @phba: pointer to lpfc hba data structure.
1006 * @pring: pointer to a SLI ring.
1007 * @nvmebuf: pointer to received nvme data structure.
1009 * This routine is used to process an unsolicited event received from a SLI
1010 * (Service Level Interface) ring. The actual processing of the data buffer
1011 * associated with the unsolicited event is done by invoking the routine
1012 * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the
1013 * SLI RQ on which the unsolicited event was received.
1016 lpfc_nvmet_unsol_ls_event(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1017 struct lpfc_iocbq
*piocb
)
1019 struct lpfc_dmabuf
*d_buf
;
1020 struct hbq_dmabuf
*nvmebuf
;
1022 d_buf
= piocb
->context2
;
1023 nvmebuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
1025 if (phba
->nvmet_support
== 0) {
1026 lpfc_in_buf_free(phba
, &nvmebuf
->dbuf
);
1029 lpfc_nvmet_unsol_ls_buffer(phba
, pring
, nvmebuf
);
1033 * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport
1034 * @phba: pointer to lpfc hba data structure.
1035 * @pring: pointer to a SLI ring.
1036 * @nvmebuf: pointer to received nvme data structure.
1038 * This routine is used to process an unsolicited event received from a SLI
1039 * (Service Level Interface) ring. The actual processing of the data buffer
1040 * associated with the unsolicited event is done by invoking the routine
1041 * lpfc_nvmet_unsol_fcp_buffer() after properly set up the buffer from the
1042 * SLI RQ on which the unsolicited event was received.
1045 lpfc_nvmet_unsol_fcp_event(struct lpfc_hba
*phba
,
1046 struct lpfc_sli_ring
*pring
,
1047 struct rqb_dmabuf
*nvmebuf
,
1048 uint64_t isr_timestamp
)
1050 if (phba
->nvmet_support
== 0) {
1051 lpfc_nvmet_rq_post(phba
, NULL
, &nvmebuf
->hbuf
);
1054 lpfc_nvmet_unsol_fcp_buffer(phba
, pring
, nvmebuf
,
1059 * lpfc_nvmet_prep_ls_wqe - Allocate and prepare a lpfc wqe data structure
1060 * @phba: pointer to a host N_Port data structure.
1061 * @ctxp: Context info for NVME LS Request
1062 * @rspbuf: DMA buffer of NVME command.
1063 * @rspsize: size of the NVME command.
1065 * This routine is used for allocating a lpfc-WQE data structure from
1066 * the driver lpfc-WQE free-list and prepare the WQE with the parameters
1067 * passed into the routine for discovery state machine to issue an Extended
1068 * Link Service (NVME) commands. It is a generic lpfc-WQE allocation
1069 * and preparation routine that is used by all the discovery state machine
1070 * routines and the NVME command-specific fields will be later set up by
1071 * the individual discovery machine routines after calling this routine
1072 * allocating and preparing a generic WQE data structure. It fills in the
1073 * Buffer Descriptor Entries (BDEs), allocates buffers for both command
1074 * payload and response payload (if expected). The reference count on the
1075 * ndlp is incremented by 1 and the reference to the ndlp is put into
1076 * context1 of the WQE data structure for this WQE to hold the ndlp
1077 * reference for the command's callback function to access later.
1080 * Pointer to the newly allocated/prepared nvme wqe data structure
1081 * NULL - when nvme wqe data structure allocation/preparation failed
1083 static struct lpfc_iocbq
*
1084 lpfc_nvmet_prep_ls_wqe(struct lpfc_hba
*phba
,
1085 struct lpfc_nvmet_rcv_ctx
*ctxp
,
1086 dma_addr_t rspbuf
, uint16_t rspsize
)
1088 struct lpfc_nodelist
*ndlp
;
1089 struct lpfc_iocbq
*nvmewqe
;
1090 union lpfc_wqe
*wqe
;
1092 if (!lpfc_is_link_up(phba
)) {
1093 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_DISC
,
1094 "6104 lpfc_nvmet_prep_ls_wqe: link err: "
1095 "NPORT x%x oxid:x%x\n",
1096 ctxp
->sid
, ctxp
->oxid
);
1100 /* Allocate buffer for command wqe */
1101 nvmewqe
= lpfc_sli_get_iocbq(phba
);
1102 if (nvmewqe
== NULL
) {
1103 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_DISC
,
1104 "6105 lpfc_nvmet_prep_ls_wqe: No WQE: "
1105 "NPORT x%x oxid:x%x\n",
1106 ctxp
->sid
, ctxp
->oxid
);
1110 ndlp
= lpfc_findnode_did(phba
->pport
, ctxp
->sid
);
1111 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
) ||
1112 ((ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
1113 (ndlp
->nlp_state
!= NLP_STE_MAPPED_NODE
))) {
1114 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_DISC
,
1115 "6106 lpfc_nvmet_prep_ls_wqe: No ndlp: "
1116 "NPORT x%x oxid:x%x\n",
1117 ctxp
->sid
, ctxp
->oxid
);
1118 goto nvme_wqe_free_wqeq_exit
;
1120 ctxp
->wqeq
= nvmewqe
;
1122 /* prevent preparing wqe with NULL ndlp reference */
1123 nvmewqe
->context1
= lpfc_nlp_get(ndlp
);
1124 if (nvmewqe
->context1
== NULL
)
1125 goto nvme_wqe_free_wqeq_exit
;
1126 nvmewqe
->context2
= ctxp
;
1128 wqe
= &nvmewqe
->wqe
;
1129 memset(wqe
, 0, sizeof(union lpfc_wqe
));
1132 wqe
->xmit_sequence
.bde
.tus
.f
.bdeFlags
= BUFF_TYPE_BDE_64
;
1133 wqe
->xmit_sequence
.bde
.tus
.f
.bdeSize
= rspsize
;
1134 wqe
->xmit_sequence
.bde
.addrLow
= le32_to_cpu(putPaddrLow(rspbuf
));
1135 wqe
->xmit_sequence
.bde
.addrHigh
= le32_to_cpu(putPaddrHigh(rspbuf
));
1142 bf_set(wqe_dfctl
, &wqe
->xmit_sequence
.wge_ctl
, 0);
1143 bf_set(wqe_ls
, &wqe
->xmit_sequence
.wge_ctl
, 1);
1144 bf_set(wqe_la
, &wqe
->xmit_sequence
.wge_ctl
, 0);
1145 bf_set(wqe_rctl
, &wqe
->xmit_sequence
.wge_ctl
, FC_RCTL_ELS4_REP
);
1146 bf_set(wqe_type
, &wqe
->xmit_sequence
.wge_ctl
, FC_TYPE_NVME
);
1149 bf_set(wqe_ctxt_tag
, &wqe
->xmit_sequence
.wqe_com
,
1150 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
1151 bf_set(wqe_xri_tag
, &wqe
->xmit_sequence
.wqe_com
, nvmewqe
->sli4_xritag
);
1154 bf_set(wqe_cmnd
, &wqe
->xmit_sequence
.wqe_com
,
1155 CMD_XMIT_SEQUENCE64_WQE
);
1156 bf_set(wqe_ct
, &wqe
->xmit_sequence
.wqe_com
, SLI4_CT_RPI
);
1157 bf_set(wqe_class
, &wqe
->xmit_sequence
.wqe_com
, CLASS3
);
1158 bf_set(wqe_pu
, &wqe
->xmit_sequence
.wqe_com
, 0);
1161 wqe
->xmit_sequence
.wqe_com
.abort_tag
= nvmewqe
->iotag
;
1164 bf_set(wqe_reqtag
, &wqe
->xmit_sequence
.wqe_com
, nvmewqe
->iotag
);
1165 /* Needs to be set by caller */
1166 bf_set(wqe_rcvoxid
, &wqe
->xmit_sequence
.wqe_com
, ctxp
->oxid
);
1169 bf_set(wqe_dbde
, &wqe
->xmit_sequence
.wqe_com
, 1);
1170 bf_set(wqe_iod
, &wqe
->xmit_sequence
.wqe_com
, LPFC_WQE_IOD_WRITE
);
1171 bf_set(wqe_lenloc
, &wqe
->xmit_sequence
.wqe_com
,
1172 LPFC_WQE_LENLOC_WORD12
);
1173 bf_set(wqe_ebde_cnt
, &wqe
->xmit_sequence
.wqe_com
, 0);
1176 bf_set(wqe_cqid
, &wqe
->xmit_sequence
.wqe_com
,
1177 LPFC_WQE_CQ_ID_DEFAULT
);
1178 bf_set(wqe_cmd_type
, &wqe
->xmit_sequence
.wqe_com
,
1182 wqe
->xmit_sequence
.xmit_len
= rspsize
;
1185 nvmewqe
->vport
= phba
->pport
;
1186 nvmewqe
->drvrTimeout
= (phba
->fc_ratov
* 3) + LPFC_DRVR_TIMEOUT
;
1187 nvmewqe
->iocb_flag
|= LPFC_IO_NVME_LS
;
1189 /* Xmit NVME response to remote NPORT <did> */
1190 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
1191 "6039 Xmit NVME LS response to remote "
1192 "NPORT x%x iotag:x%x oxid:x%x size:x%x\n",
1193 ndlp
->nlp_DID
, nvmewqe
->iotag
, ctxp
->oxid
,
1197 nvme_wqe_free_wqeq_exit
:
1198 nvmewqe
->context2
= NULL
;
1199 nvmewqe
->context3
= NULL
;
1200 lpfc_sli_release_iocbq(phba
, nvmewqe
);
1205 static struct lpfc_iocbq
*
1206 lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba
*phba
,
1207 struct lpfc_nvmet_rcv_ctx
*ctxp
)
1209 struct nvmefc_tgt_fcp_req
*rsp
= &ctxp
->ctx
.fcp_req
;
1210 struct lpfc_nvmet_tgtport
*tgtp
;
1211 struct sli4_sge
*sgl
;
1212 struct lpfc_nodelist
*ndlp
;
1213 struct lpfc_iocbq
*nvmewqe
;
1214 struct scatterlist
*sgel
;
1215 union lpfc_wqe128
*wqe
;
1217 dma_addr_t physaddr
;
1221 if (!lpfc_is_link_up(phba
)) {
1222 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
1223 "6107 lpfc_nvmet_prep_fcp_wqe: link err:"
1224 "NPORT x%x oxid:x%x\n", ctxp
->sid
,
1229 ndlp
= lpfc_findnode_did(phba
->pport
, ctxp
->sid
);
1230 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
) ||
1231 ((ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
1232 (ndlp
->nlp_state
!= NLP_STE_MAPPED_NODE
))) {
1233 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
1234 "6108 lpfc_nvmet_prep_fcp_wqe: no ndlp: "
1235 "NPORT x%x oxid:x%x\n",
1236 ctxp
->sid
, ctxp
->oxid
);
1240 if (rsp
->sg_cnt
> phba
->cfg_sg_seg_cnt
) {
1241 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
1242 "6109 lpfc_nvmet_prep_fcp_wqe: seg cnt err: "
1243 "NPORT x%x oxid:x%x\n",
1244 ctxp
->sid
, ctxp
->oxid
);
1248 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1249 nvmewqe
= ctxp
->wqeq
;
1250 if (nvmewqe
== NULL
) {
1251 /* Allocate buffer for command wqe */
1252 nvmewqe
= ctxp
->rqb_buffer
->iocbq
;
1253 if (nvmewqe
== NULL
) {
1254 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
1255 "6110 lpfc_nvmet_prep_fcp_wqe: No "
1256 "WQE: NPORT x%x oxid:x%x\n",
1257 ctxp
->sid
, ctxp
->oxid
);
1260 ctxp
->wqeq
= nvmewqe
;
1261 xc
= 0; /* create new XRI */
1262 nvmewqe
->sli4_lxritag
= NO_XRI
;
1263 nvmewqe
->sli4_xritag
= NO_XRI
;
1267 if (((ctxp
->state
== LPFC_NVMET_STE_RCV
) &&
1268 (ctxp
->entry_cnt
== 1)) ||
1269 ((ctxp
->state
== LPFC_NVMET_STE_DATA
) &&
1270 (ctxp
->entry_cnt
> 1))) {
1271 wqe
= (union lpfc_wqe128
*)&nvmewqe
->wqe
;
1273 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
1274 "6111 Wrong state %s: %d cnt %d\n",
1275 __func__
, ctxp
->state
, ctxp
->entry_cnt
);
1279 sgl
= (struct sli4_sge
*)ctxp
->rqb_buffer
->sglq
->sgl
;
1281 case NVMET_FCOP_READDATA
:
1282 case NVMET_FCOP_READDATA_RSP
:
1283 /* Words 0 - 2 : The first sg segment */
1285 physaddr
= sg_dma_address(sgel
);
1286 wqe
->fcp_tsend
.bde
.tus
.f
.bdeFlags
= BUFF_TYPE_BDE_64
;
1287 wqe
->fcp_tsend
.bde
.tus
.f
.bdeSize
= sg_dma_len(sgel
);
1288 wqe
->fcp_tsend
.bde
.addrLow
= cpu_to_le32(putPaddrLow(physaddr
));
1289 wqe
->fcp_tsend
.bde
.addrHigh
=
1290 cpu_to_le32(putPaddrHigh(physaddr
));
1293 wqe
->fcp_tsend
.payload_offset_len
= 0;
1296 wqe
->fcp_tsend
.relative_offset
= ctxp
->offset
;
1301 bf_set(wqe_ctxt_tag
, &wqe
->fcp_tsend
.wqe_com
,
1302 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
1303 bf_set(wqe_xri_tag
, &wqe
->fcp_tsend
.wqe_com
,
1304 nvmewqe
->sli4_xritag
);
1307 bf_set(wqe_cmnd
, &wqe
->fcp_tsend
.wqe_com
, CMD_FCP_TSEND64_WQE
);
1310 wqe
->fcp_tsend
.wqe_com
.abort_tag
= nvmewqe
->iotag
;
1313 bf_set(wqe_reqtag
, &wqe
->fcp_tsend
.wqe_com
, nvmewqe
->iotag
);
1314 bf_set(wqe_rcvoxid
, &wqe
->fcp_tsend
.wqe_com
, ctxp
->oxid
);
1317 bf_set(wqe_nvme
, &wqe
->fcp_tsend
.wqe_com
, 1);
1318 bf_set(wqe_dbde
, &wqe
->fcp_tsend
.wqe_com
, 1);
1319 bf_set(wqe_iod
, &wqe
->fcp_tsend
.wqe_com
, LPFC_WQE_IOD_WRITE
);
1320 bf_set(wqe_lenloc
, &wqe
->fcp_tsend
.wqe_com
,
1321 LPFC_WQE_LENLOC_WORD12
);
1322 bf_set(wqe_ebde_cnt
, &wqe
->fcp_tsend
.wqe_com
, 0);
1323 bf_set(wqe_xc
, &wqe
->fcp_tsend
.wqe_com
, xc
);
1324 bf_set(wqe_nvme
, &wqe
->fcp_tsend
.wqe_com
, 1);
1325 if (phba
->cfg_nvme_oas
)
1326 bf_set(wqe_oas
, &wqe
->fcp_tsend
.wqe_com
, 1);
1329 bf_set(wqe_cqid
, &wqe
->fcp_tsend
.wqe_com
,
1330 LPFC_WQE_CQ_ID_DEFAULT
);
1331 bf_set(wqe_cmd_type
, &wqe
->fcp_tsend
.wqe_com
,
1335 wqe
->fcp_tsend
.fcp_data_len
= rsp
->transfer_length
;
1337 /* Setup 2 SKIP SGEs */
1341 bf_set(lpfc_sli4_sge_type
, sgl
, LPFC_SGE_TYPE_SKIP
);
1342 sgl
->word2
= cpu_to_le32(sgl
->word2
);
1348 bf_set(lpfc_sli4_sge_type
, sgl
, LPFC_SGE_TYPE_SKIP
);
1349 sgl
->word2
= cpu_to_le32(sgl
->word2
);
1352 if (rsp
->op
== NVMET_FCOP_READDATA_RSP
) {
1353 atomic_inc(&tgtp
->xmt_fcp_read_rsp
);
1354 bf_set(wqe_ar
, &wqe
->fcp_tsend
.wqe_com
, 1);
1355 if ((ndlp
->nlp_flag
& NLP_SUPPRESS_RSP
) &&
1356 (rsp
->rsplen
== 12)) {
1357 bf_set(wqe_sup
, &wqe
->fcp_tsend
.wqe_com
, 1);
1358 bf_set(wqe_wqes
, &wqe
->fcp_tsend
.wqe_com
, 0);
1359 bf_set(wqe_irsp
, &wqe
->fcp_tsend
.wqe_com
, 0);
1360 bf_set(wqe_irsplen
, &wqe
->fcp_tsend
.wqe_com
, 0);
1362 bf_set(wqe_sup
, &wqe
->fcp_tsend
.wqe_com
, 0);
1363 bf_set(wqe_wqes
, &wqe
->fcp_tsend
.wqe_com
, 1);
1364 bf_set(wqe_irsp
, &wqe
->fcp_tsend
.wqe_com
, 1);
1365 bf_set(wqe_irsplen
, &wqe
->fcp_tsend
.wqe_com
,
1366 ((rsp
->rsplen
>> 2) - 1));
1367 memcpy(&wqe
->words
[16], rsp
->rspaddr
,
1371 atomic_inc(&tgtp
->xmt_fcp_read
);
1373 bf_set(wqe_sup
, &wqe
->fcp_tsend
.wqe_com
, 0);
1374 bf_set(wqe_wqes
, &wqe
->fcp_tsend
.wqe_com
, 0);
1375 bf_set(wqe_irsp
, &wqe
->fcp_tsend
.wqe_com
, 0);
1376 bf_set(wqe_ar
, &wqe
->fcp_tsend
.wqe_com
, 0);
1377 bf_set(wqe_irsplen
, &wqe
->fcp_tsend
.wqe_com
, 0);
1379 ctxp
->state
= LPFC_NVMET_STE_DATA
;
1382 case NVMET_FCOP_WRITEDATA
:
1383 /* Words 0 - 2 : The first sg segment */
1384 txrdy
= pci_pool_alloc(phba
->txrdy_payload_pool
,
1385 GFP_KERNEL
, &physaddr
);
1387 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
1388 "6041 Bad txrdy buffer: oxid x%x\n",
1392 ctxp
->txrdy
= txrdy
;
1393 ctxp
->txrdy_phys
= physaddr
;
1394 wqe
->fcp_treceive
.bde
.tus
.f
.bdeFlags
= BUFF_TYPE_BDE_64
;
1395 wqe
->fcp_treceive
.bde
.tus
.f
.bdeSize
= TXRDY_PAYLOAD_LEN
;
1396 wqe
->fcp_treceive
.bde
.addrLow
=
1397 cpu_to_le32(putPaddrLow(physaddr
));
1398 wqe
->fcp_treceive
.bde
.addrHigh
=
1399 cpu_to_le32(putPaddrHigh(physaddr
));
1402 wqe
->fcp_treceive
.payload_offset_len
= TXRDY_PAYLOAD_LEN
;
1405 wqe
->fcp_treceive
.relative_offset
= ctxp
->offset
;
1410 bf_set(wqe_ctxt_tag
, &wqe
->fcp_treceive
.wqe_com
,
1411 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
1412 bf_set(wqe_xri_tag
, &wqe
->fcp_treceive
.wqe_com
,
1413 nvmewqe
->sli4_xritag
);
1416 bf_set(wqe_ar
, &wqe
->fcp_treceive
.wqe_com
, 0);
1417 bf_set(wqe_cmnd
, &wqe
->fcp_treceive
.wqe_com
,
1418 CMD_FCP_TRECEIVE64_WQE
);
1421 wqe
->fcp_treceive
.wqe_com
.abort_tag
= nvmewqe
->iotag
;
1424 bf_set(wqe_reqtag
, &wqe
->fcp_treceive
.wqe_com
, nvmewqe
->iotag
);
1425 bf_set(wqe_rcvoxid
, &wqe
->fcp_treceive
.wqe_com
, ctxp
->oxid
);
1428 bf_set(wqe_nvme
, &wqe
->fcp_treceive
.wqe_com
, 1);
1429 bf_set(wqe_dbde
, &wqe
->fcp_treceive
.wqe_com
, 1);
1430 bf_set(wqe_iod
, &wqe
->fcp_treceive
.wqe_com
, LPFC_WQE_IOD_READ
);
1431 bf_set(wqe_lenloc
, &wqe
->fcp_treceive
.wqe_com
,
1432 LPFC_WQE_LENLOC_WORD12
);
1433 bf_set(wqe_xc
, &wqe
->fcp_treceive
.wqe_com
, xc
);
1434 bf_set(wqe_wqes
, &wqe
->fcp_treceive
.wqe_com
, 0);
1435 bf_set(wqe_irsp
, &wqe
->fcp_treceive
.wqe_com
, 0);
1436 bf_set(wqe_irsplen
, &wqe
->fcp_treceive
.wqe_com
, 0);
1437 bf_set(wqe_nvme
, &wqe
->fcp_treceive
.wqe_com
, 1);
1438 if (phba
->cfg_nvme_oas
)
1439 bf_set(wqe_oas
, &wqe
->fcp_treceive
.wqe_com
, 1);
1442 bf_set(wqe_cqid
, &wqe
->fcp_treceive
.wqe_com
,
1443 LPFC_WQE_CQ_ID_DEFAULT
);
1444 bf_set(wqe_cmd_type
, &wqe
->fcp_treceive
.wqe_com
,
1445 FCP_COMMAND_TRECEIVE
);
1446 bf_set(wqe_sup
, &wqe
->fcp_tsend
.wqe_com
, 0);
1449 wqe
->fcp_tsend
.fcp_data_len
= rsp
->transfer_length
;
1451 /* Setup 1 TXRDY and 1 SKIP SGE */
1453 txrdy
[1] = cpu_to_be32(rsp
->transfer_length
);
1456 sgl
->addr_hi
= putPaddrHigh(physaddr
);
1457 sgl
->addr_lo
= putPaddrLow(physaddr
);
1459 bf_set(lpfc_sli4_sge_type
, sgl
, LPFC_SGE_TYPE_DATA
);
1460 sgl
->word2
= cpu_to_le32(sgl
->word2
);
1461 sgl
->sge_len
= cpu_to_le32(TXRDY_PAYLOAD_LEN
);
1466 bf_set(lpfc_sli4_sge_type
, sgl
, LPFC_SGE_TYPE_SKIP
);
1467 sgl
->word2
= cpu_to_le32(sgl
->word2
);
1470 ctxp
->state
= LPFC_NVMET_STE_DATA
;
1471 atomic_inc(&tgtp
->xmt_fcp_write
);
1474 case NVMET_FCOP_RSP
:
1476 physaddr
= rsp
->rspdma
;
1477 wqe
->fcp_trsp
.bde
.tus
.f
.bdeFlags
= BUFF_TYPE_BDE_64
;
1478 wqe
->fcp_trsp
.bde
.tus
.f
.bdeSize
= rsp
->rsplen
;
1479 wqe
->fcp_trsp
.bde
.addrLow
=
1480 cpu_to_le32(putPaddrLow(physaddr
));
1481 wqe
->fcp_trsp
.bde
.addrHigh
=
1482 cpu_to_le32(putPaddrHigh(physaddr
));
1485 wqe
->fcp_trsp
.response_len
= rsp
->rsplen
;
1488 wqe
->fcp_trsp
.rsvd_4_5
[0] = 0;
1494 bf_set(wqe_ctxt_tag
, &wqe
->fcp_trsp
.wqe_com
,
1495 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
1496 bf_set(wqe_xri_tag
, &wqe
->fcp_trsp
.wqe_com
,
1497 nvmewqe
->sli4_xritag
);
1500 bf_set(wqe_ag
, &wqe
->fcp_trsp
.wqe_com
, 1);
1501 bf_set(wqe_cmnd
, &wqe
->fcp_trsp
.wqe_com
, CMD_FCP_TRSP64_WQE
);
1504 wqe
->fcp_trsp
.wqe_com
.abort_tag
= nvmewqe
->iotag
;
1507 bf_set(wqe_reqtag
, &wqe
->fcp_trsp
.wqe_com
, nvmewqe
->iotag
);
1508 bf_set(wqe_rcvoxid
, &wqe
->fcp_trsp
.wqe_com
, ctxp
->oxid
);
1511 bf_set(wqe_nvme
, &wqe
->fcp_trsp
.wqe_com
, 1);
1512 bf_set(wqe_dbde
, &wqe
->fcp_trsp
.wqe_com
, 0);
1513 bf_set(wqe_iod
, &wqe
->fcp_trsp
.wqe_com
, LPFC_WQE_IOD_WRITE
);
1514 bf_set(wqe_lenloc
, &wqe
->fcp_trsp
.wqe_com
,
1515 LPFC_WQE_LENLOC_WORD3
);
1516 bf_set(wqe_xc
, &wqe
->fcp_trsp
.wqe_com
, xc
);
1517 bf_set(wqe_nvme
, &wqe
->fcp_trsp
.wqe_com
, 1);
1518 if (phba
->cfg_nvme_oas
)
1519 bf_set(wqe_oas
, &wqe
->fcp_trsp
.wqe_com
, 1);
1522 bf_set(wqe_cqid
, &wqe
->fcp_trsp
.wqe_com
,
1523 LPFC_WQE_CQ_ID_DEFAULT
);
1524 bf_set(wqe_cmd_type
, &wqe
->fcp_trsp
.wqe_com
,
1526 bf_set(wqe_sup
, &wqe
->fcp_tsend
.wqe_com
, 0);
1527 ctxp
->state
= LPFC_NVMET_STE_RSP
;
1529 if (rsp
->rsplen
== LPFC_NVMET_SUCCESS_LEN
) {
1530 /* Good response - all zero's on wire */
1531 bf_set(wqe_wqes
, &wqe
->fcp_trsp
.wqe_com
, 0);
1532 bf_set(wqe_irsp
, &wqe
->fcp_trsp
.wqe_com
, 0);
1533 bf_set(wqe_irsplen
, &wqe
->fcp_trsp
.wqe_com
, 0);
1535 bf_set(wqe_wqes
, &wqe
->fcp_trsp
.wqe_com
, 1);
1536 bf_set(wqe_irsp
, &wqe
->fcp_trsp
.wqe_com
, 1);
1537 bf_set(wqe_irsplen
, &wqe
->fcp_trsp
.wqe_com
,
1538 ((rsp
->rsplen
>> 2) - 1));
1539 memcpy(&wqe
->words
[16], rsp
->rspaddr
, rsp
->rsplen
);
1542 /* Use rspbuf, NOT sg list */
1545 atomic_inc(&tgtp
->xmt_fcp_rsp
);
1549 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_IOERR
,
1550 "6064 Unknown Rsp Op %d\n",
1556 nvmewqe
->vport
= phba
->pport
;
1557 nvmewqe
->drvrTimeout
= (phba
->fc_ratov
* 3) + LPFC_DRVR_TIMEOUT
;
1558 nvmewqe
->context1
= ndlp
;
1560 for (i
= 0; i
< rsp
->sg_cnt
; i
++) {
1562 physaddr
= sg_dma_address(sgel
);
1563 cnt
= sg_dma_len(sgel
);
1564 sgl
->addr_hi
= putPaddrHigh(physaddr
);
1565 sgl
->addr_lo
= putPaddrLow(physaddr
);
1567 bf_set(lpfc_sli4_sge_type
, sgl
, LPFC_SGE_TYPE_DATA
);
1568 bf_set(lpfc_sli4_sge_offset
, sgl
, ctxp
->offset
);
1569 if ((i
+1) == rsp
->sg_cnt
)
1570 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
1571 sgl
->word2
= cpu_to_le32(sgl
->word2
);
1572 sgl
->sge_len
= cpu_to_le32(cnt
);
1574 ctxp
->offset
+= cnt
;
1580 * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS
1581 * @phba: Pointer to HBA context object.
1582 * @cmdwqe: Pointer to driver command WQE object.
1583 * @wcqe: Pointer to driver response CQE object.
1585 * The function is called from SLI ring event handler with no
1586 * lock held. This function is the completion handler for NVME ABTS for FCP cmds
1587 * The function frees memory resources used for the NVME commands.
1590 lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdwqe
,
1591 struct lpfc_wcqe_complete
*wcqe
)
1593 struct lpfc_nvmet_rcv_ctx
*ctxp
;
1594 struct lpfc_nvmet_tgtport
*tgtp
;
1595 uint32_t status
, result
;
1597 ctxp
= cmdwqe
->context2
;
1598 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
1599 result
= wcqe
->parameter
;
1601 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1602 atomic_inc(&tgtp
->xmt_abort_cmpl
);
1604 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_ABTS
,
1605 "6165 Abort cmpl: xri x%x WCQE: %08x %08x %08x %08x\n",
1606 ctxp
->oxid
, wcqe
->word0
, wcqe
->total_data_placed
,
1607 result
, wcqe
->word3
);
1609 ctxp
->state
= LPFC_NVMET_STE_DONE
;
1610 lpfc_nvmet_rq_post(phba
, ctxp
, &ctxp
->rqb_buffer
->hbuf
);
1612 cmdwqe
->context2
= NULL
;
1613 cmdwqe
->context3
= NULL
;
1614 lpfc_sli_release_iocbq(phba
, cmdwqe
);
1618 * lpfc_nvmet_xmt_fcp_abort_cmp - Completion handler for ABTS
1619 * @phba: Pointer to HBA context object.
1620 * @cmdwqe: Pointer to driver command WQE object.
1621 * @wcqe: Pointer to driver response CQE object.
1623 * The function is called from SLI ring event handler with no
1624 * lock held. This function is the completion handler for NVME ABTS for FCP cmds
1625 * The function frees memory resources used for the NVME commands.
1628 lpfc_nvmet_xmt_fcp_abort_cmp(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdwqe
,
1629 struct lpfc_wcqe_complete
*wcqe
)
1631 struct lpfc_nvmet_rcv_ctx
*ctxp
;
1632 struct lpfc_nvmet_tgtport
*tgtp
;
1633 uint32_t status
, result
;
1635 ctxp
= cmdwqe
->context2
;
1636 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
1637 result
= wcqe
->parameter
;
1639 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1640 atomic_inc(&tgtp
->xmt_abort_cmpl
);
1642 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_ABTS
,
1643 "6070 Abort cmpl: ctx %p WCQE: %08x %08x %08x %08x\n",
1644 ctxp
, wcqe
->word0
, wcqe
->total_data_placed
,
1645 result
, wcqe
->word3
);
1649 if (ctxp
->state
!= LPFC_NVMET_STE_ABORT
) {
1650 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_ABTS
,
1651 "6112 ABORT Wrong state:%d oxid x%x\n",
1652 ctxp
->state
, ctxp
->oxid
);
1654 ctxp
->state
= LPFC_NVMET_STE_DONE
;
1655 lpfc_nvmet_rq_post(phba
, ctxp
, &ctxp
->rqb_buffer
->hbuf
);
1656 cmdwqe
->context2
= NULL
;
1657 cmdwqe
->context3
= NULL
;
1662 * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS
1663 * @phba: Pointer to HBA context object.
1664 * @cmdwqe: Pointer to driver command WQE object.
1665 * @wcqe: Pointer to driver response CQE object.
1667 * The function is called from SLI ring event handler with no
1668 * lock held. This function is the completion handler for NVME ABTS for LS cmds
1669 * The function frees memory resources used for the NVME commands.
1672 lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdwqe
,
1673 struct lpfc_wcqe_complete
*wcqe
)
1675 struct lpfc_nvmet_rcv_ctx
*ctxp
;
1676 struct lpfc_nvmet_tgtport
*tgtp
;
1677 uint32_t status
, result
;
1679 ctxp
= cmdwqe
->context2
;
1680 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
1681 result
= wcqe
->parameter
;
1683 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1684 atomic_inc(&tgtp
->xmt_abort_cmpl
);
1686 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_ABTS
,
1687 "6083 Abort cmpl: ctx %p WCQE: %08x %08x %08x %08x\n",
1688 ctxp
, wcqe
->word0
, wcqe
->total_data_placed
,
1689 result
, wcqe
->word3
);
1692 cmdwqe
->context2
= NULL
;
1693 cmdwqe
->context3
= NULL
;
1694 lpfc_sli_release_iocbq(phba
, cmdwqe
);
1697 lpfc_sli_release_iocbq(phba
, cmdwqe
);
1701 lpfc_nvmet_unsol_issue_abort(struct lpfc_hba
*phba
,
1702 struct lpfc_nvmet_rcv_ctx
*ctxp
,
1703 uint32_t sid
, uint16_t xri
)
1705 struct lpfc_nvmet_tgtport
*tgtp
;
1706 struct lpfc_iocbq
*abts_wqeq
;
1707 union lpfc_wqe
*wqe_abts
;
1708 struct lpfc_nodelist
*ndlp
;
1710 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_ABTS
,
1711 "6067 Abort: sid %x xri x%x/x%x\n",
1712 sid
, xri
, ctxp
->wqeq
->sli4_xritag
);
1714 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1716 ndlp
= lpfc_findnode_did(phba
->pport
, sid
);
1717 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
) ||
1718 ((ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
1719 (ndlp
->nlp_state
!= NLP_STE_MAPPED_NODE
))) {
1720 atomic_inc(&tgtp
->xmt_abort_rsp_error
);
1721 lpfc_printf_log(phba
, KERN_WARNING
, LOG_NVME_ABTS
,
1722 "6134 Drop ABTS - wrong NDLP state x%x.\n",
1723 (ndlp
) ? ndlp
->nlp_state
: NLP_STE_MAX_STATE
);
1725 /* No failure to an ABTS request. */
1729 abts_wqeq
= ctxp
->wqeq
;
1730 wqe_abts
= &abts_wqeq
->wqe
;
1731 ctxp
->state
= LPFC_NVMET_STE_ABORT
;
1734 * Since we zero the whole WQE, we need to ensure we set the WQE fields
1735 * that were initialized in lpfc_sli4_nvmet_alloc.
1737 memset(wqe_abts
, 0, sizeof(union lpfc_wqe
));
1740 bf_set(wqe_dfctl
, &wqe_abts
->xmit_sequence
.wge_ctl
, 0);
1741 bf_set(wqe_ls
, &wqe_abts
->xmit_sequence
.wge_ctl
, 1);
1742 bf_set(wqe_la
, &wqe_abts
->xmit_sequence
.wge_ctl
, 0);
1743 bf_set(wqe_rctl
, &wqe_abts
->xmit_sequence
.wge_ctl
, FC_RCTL_BA_ABTS
);
1744 bf_set(wqe_type
, &wqe_abts
->xmit_sequence
.wge_ctl
, FC_TYPE_BLS
);
1747 bf_set(wqe_ctxt_tag
, &wqe_abts
->xmit_sequence
.wqe_com
,
1748 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
1749 bf_set(wqe_xri_tag
, &wqe_abts
->xmit_sequence
.wqe_com
,
1750 abts_wqeq
->sli4_xritag
);
1753 bf_set(wqe_cmnd
, &wqe_abts
->xmit_sequence
.wqe_com
,
1754 CMD_XMIT_SEQUENCE64_WQE
);
1755 bf_set(wqe_ct
, &wqe_abts
->xmit_sequence
.wqe_com
, SLI4_CT_RPI
);
1756 bf_set(wqe_class
, &wqe_abts
->xmit_sequence
.wqe_com
, CLASS3
);
1757 bf_set(wqe_pu
, &wqe_abts
->xmit_sequence
.wqe_com
, 0);
1760 wqe_abts
->xmit_sequence
.wqe_com
.abort_tag
= abts_wqeq
->iotag
;
1763 bf_set(wqe_reqtag
, &wqe_abts
->xmit_sequence
.wqe_com
, abts_wqeq
->iotag
);
1764 /* Needs to be set by caller */
1765 bf_set(wqe_rcvoxid
, &wqe_abts
->xmit_sequence
.wqe_com
, xri
);
1768 bf_set(wqe_dbde
, &wqe_abts
->xmit_sequence
.wqe_com
, 1);
1769 bf_set(wqe_iod
, &wqe_abts
->xmit_sequence
.wqe_com
, LPFC_WQE_IOD_WRITE
);
1770 bf_set(wqe_lenloc
, &wqe_abts
->xmit_sequence
.wqe_com
,
1771 LPFC_WQE_LENLOC_WORD12
);
1772 bf_set(wqe_ebde_cnt
, &wqe_abts
->xmit_sequence
.wqe_com
, 0);
1773 bf_set(wqe_qosd
, &wqe_abts
->xmit_sequence
.wqe_com
, 0);
1776 bf_set(wqe_cqid
, &wqe_abts
->xmit_sequence
.wqe_com
,
1777 LPFC_WQE_CQ_ID_DEFAULT
);
1778 bf_set(wqe_cmd_type
, &wqe_abts
->xmit_sequence
.wqe_com
,
1781 abts_wqeq
->vport
= phba
->pport
;
1782 abts_wqeq
->context1
= ndlp
;
1783 abts_wqeq
->context2
= ctxp
;
1784 abts_wqeq
->context3
= NULL
;
1785 abts_wqeq
->rsvd2
= 0;
1786 /* hba_wqidx should already be setup from command we are aborting */
1787 abts_wqeq
->iocb
.ulpCommand
= CMD_XMIT_SEQUENCE64_CR
;
1788 abts_wqeq
->iocb
.ulpLe
= 1;
1790 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_ABTS
,
1791 "6069 Issue ABTS to xri x%x reqtag x%x\n",
1792 xri
, abts_wqeq
->iotag
);
1797 lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba
*phba
,
1798 struct lpfc_nvmet_rcv_ctx
*ctxp
,
1799 uint32_t sid
, uint16_t xri
)
1801 struct lpfc_nvmet_tgtport
*tgtp
;
1802 struct lpfc_iocbq
*abts_wqeq
;
1803 union lpfc_wqe
*abts_wqe
;
1804 struct lpfc_nodelist
*ndlp
;
1805 unsigned long flags
;
1808 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1810 ctxp
->wqeq
= ctxp
->rqb_buffer
->iocbq
;
1811 ctxp
->wqeq
->hba_wqidx
= 0;
1814 ndlp
= lpfc_findnode_did(phba
->pport
, sid
);
1815 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
) ||
1816 ((ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
1817 (ndlp
->nlp_state
!= NLP_STE_MAPPED_NODE
))) {
1818 atomic_inc(&tgtp
->xmt_abort_rsp_error
);
1819 lpfc_printf_log(phba
, KERN_WARNING
, LOG_NVME_ABTS
,
1820 "6160 Drop ABTS - wrong NDLP state x%x.\n",
1821 (ndlp
) ? ndlp
->nlp_state
: NLP_STE_MAX_STATE
);
1823 /* No failure to an ABTS request. */
1827 /* Issue ABTS for this WQE based on iotag */
1828 ctxp
->abort_wqeq
= lpfc_sli_get_iocbq(phba
);
1829 if (!ctxp
->abort_wqeq
) {
1830 lpfc_printf_log(phba
, KERN_WARNING
, LOG_NVME_ABTS
,
1831 "6161 Abort failed: No wqeqs: "
1832 "xri: x%x\n", ctxp
->oxid
);
1833 /* No failure to an ABTS request. */
1836 abts_wqeq
= ctxp
->abort_wqeq
;
1837 abts_wqe
= &abts_wqeq
->wqe
;
1838 ctxp
->state
= LPFC_NVMET_STE_ABORT
;
1840 /* Announce entry to new IO submit field. */
1841 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_ABTS
,
1842 "6162 Abort Request to rport DID x%06x "
1843 "for xri x%x x%x\n",
1844 ctxp
->sid
, ctxp
->oxid
, ctxp
->wqeq
->sli4_xritag
);
1846 /* If the hba is getting reset, this flag is set. It is
1847 * cleared when the reset is complete and rings reestablished.
1849 spin_lock_irqsave(&phba
->hbalock
, flags
);
1850 /* driver queued commands are in process of being flushed */
1851 if (phba
->hba_flag
& HBA_NVME_IOQ_FLUSH
) {
1852 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1853 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME
,
1854 "6163 Driver in reset cleanup - flushing "
1855 "NVME Req now. hba_flag x%x oxid x%x\n",
1856 phba
->hba_flag
, ctxp
->oxid
);
1857 lpfc_sli_release_iocbq(phba
, abts_wqeq
);
1861 /* Outstanding abort is in progress */
1862 if (abts_wqeq
->iocb_flag
& LPFC_DRIVER_ABORTED
) {
1863 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1864 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME
,
1865 "6164 Outstanding NVME I/O Abort Request "
1866 "still pending on oxid x%x\n",
1868 lpfc_sli_release_iocbq(phba
, abts_wqeq
);
1872 /* Ready - mark outstanding as aborted by driver. */
1873 abts_wqeq
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
1875 /* WQEs are reused. Clear stale data and set key fields to
1876 * zero like ia, iaab, iaar, xri_tag, and ctxt_tag.
1878 memset(abts_wqe
, 0, sizeof(union lpfc_wqe
));
1881 bf_set(abort_cmd_criteria
, &abts_wqe
->abort_cmd
, T_XRI_TAG
);
1884 bf_set(wqe_ct
, &abts_wqe
->abort_cmd
.wqe_com
, 0);
1885 bf_set(wqe_cmnd
, &abts_wqe
->abort_cmd
.wqe_com
, CMD_ABORT_XRI_CX
);
1887 /* word 8 - tell the FW to abort the IO associated with this
1888 * outstanding exchange ID.
1890 abts_wqe
->abort_cmd
.wqe_com
.abort_tag
= ctxp
->wqeq
->sli4_xritag
;
1892 /* word 9 - this is the iotag for the abts_wqe completion. */
1893 bf_set(wqe_reqtag
, &abts_wqe
->abort_cmd
.wqe_com
,
1897 bf_set(wqe_qosd
, &abts_wqe
->abort_cmd
.wqe_com
, 1);
1898 bf_set(wqe_lenloc
, &abts_wqe
->abort_cmd
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
1901 bf_set(wqe_cmd_type
, &abts_wqe
->abort_cmd
.wqe_com
, OTHER_COMMAND
);
1902 bf_set(wqe_wqec
, &abts_wqe
->abort_cmd
.wqe_com
, 1);
1903 bf_set(wqe_cqid
, &abts_wqe
->abort_cmd
.wqe_com
, LPFC_WQE_CQ_ID_DEFAULT
);
1905 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
1906 abts_wqeq
->hba_wqidx
= ctxp
->wqeq
->hba_wqidx
;
1907 abts_wqeq
->wqe_cmpl
= lpfc_nvmet_sol_fcp_abort_cmp
;
1908 abts_wqeq
->iocb_cmpl
= 0;
1909 abts_wqeq
->iocb_flag
|= LPFC_IO_NVME
;
1910 abts_wqeq
->context2
= ctxp
;
1911 rc
= lpfc_sli4_issue_wqe(phba
, LPFC_FCP_RING
, abts_wqeq
);
1912 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1913 if (rc
== WQE_SUCCESS
)
1916 lpfc_sli_release_iocbq(phba
, abts_wqeq
);
1917 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME
,
1918 "6166 Failed abts issue_wqe with status x%x "
1926 lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba
*phba
,
1927 struct lpfc_nvmet_rcv_ctx
*ctxp
,
1928 uint32_t sid
, uint16_t xri
)
1930 struct lpfc_nvmet_tgtport
*tgtp
;
1931 struct lpfc_iocbq
*abts_wqeq
;
1932 unsigned long flags
;
1935 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1937 ctxp
->wqeq
= ctxp
->rqb_buffer
->iocbq
;
1938 ctxp
->wqeq
->hba_wqidx
= 0;
1941 rc
= lpfc_nvmet_unsol_issue_abort(phba
, ctxp
, sid
, xri
);
1945 spin_lock_irqsave(&phba
->hbalock
, flags
);
1946 abts_wqeq
= ctxp
->wqeq
;
1947 abts_wqeq
->wqe_cmpl
= lpfc_nvmet_xmt_fcp_abort_cmp
;
1948 abts_wqeq
->iocb_cmpl
= 0;
1949 abts_wqeq
->iocb_flag
|= LPFC_IO_NVMET
;
1950 rc
= lpfc_sli4_issue_wqe(phba
, LPFC_FCP_RING
, abts_wqeq
);
1951 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1952 if (rc
== WQE_SUCCESS
) {
1953 atomic_inc(&tgtp
->xmt_abort_rsp
);
1958 lpfc_nvmet_rq_post(phba
, ctxp
, &ctxp
->rqb_buffer
->hbuf
);
1959 atomic_inc(&tgtp
->xmt_abort_rsp_error
);
1960 lpfc_printf_log(phba
, KERN_WARNING
, LOG_NVME_ABTS
,
1961 "6135 Failed to Issue ABTS for oxid x%x. Status x%x\n",
1967 lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba
*phba
,
1968 struct lpfc_nvmet_rcv_ctx
*ctxp
,
1969 uint32_t sid
, uint16_t xri
)
1971 struct lpfc_nvmet_tgtport
*tgtp
;
1972 struct lpfc_iocbq
*abts_wqeq
;
1973 union lpfc_wqe
*wqe_abts
;
1974 unsigned long flags
;
1977 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1979 /* Issue ABTS for this WQE based on iotag */
1980 ctxp
->wqeq
= lpfc_sli_get_iocbq(phba
);
1982 lpfc_printf_log(phba
, KERN_WARNING
, LOG_NVME_ABTS
,
1983 "6068 Abort failed: No wqeqs: "
1985 /* No failure to an ABTS request. */
1990 abts_wqeq
= ctxp
->wqeq
;
1991 wqe_abts
= &abts_wqeq
->wqe
;
1992 lpfc_nvmet_unsol_issue_abort(phba
, ctxp
, sid
, xri
);
1994 spin_lock_irqsave(&phba
->hbalock
, flags
);
1995 abts_wqeq
->wqe_cmpl
= lpfc_nvmet_xmt_ls_abort_cmp
;
1996 abts_wqeq
->iocb_cmpl
= 0;
1997 abts_wqeq
->iocb_flag
|= LPFC_IO_NVME_LS
;
1998 rc
= lpfc_sli4_issue_wqe(phba
, LPFC_ELS_RING
, abts_wqeq
);
1999 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
2000 if (rc
== WQE_SUCCESS
) {
2001 atomic_inc(&tgtp
->xmt_abort_rsp
);
2005 atomic_inc(&tgtp
->xmt_abort_rsp_error
);
2006 abts_wqeq
->context2
= NULL
;
2007 abts_wqeq
->context3
= NULL
;
2008 lpfc_sli_release_iocbq(phba
, abts_wqeq
);
2010 lpfc_printf_log(phba
, KERN_WARNING
, LOG_NVME_ABTS
,
2011 "6056 Failed to Issue ABTS. Status x%x\n", rc
);