1 /*******************************************************************************
2 * This file contains tcm implementation using v4 configfs fabric infrastructure
3 * for QLogic target mode HBAs
5 * (c) Copyright 2010-2013 Datera, Inc.
7 * Author: Nicholas A. Bellinger <nab@daterainc.com>
9 * tcm_qla2xxx_parse_wwn() and tcm_qla2xxx_format_wwn() contains code from
10 * the TCM_FC / Open-FCoE.org fabric module.
12 * Copyright (c) 2010 Cisco Systems, Inc
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 ****************************************************************************/
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <generated/utsrelease.h>
29 #include <linux/utsname.h>
30 #include <linux/init.h>
31 #include <linux/list.h>
32 #include <linux/slab.h>
33 #include <linux/kthread.h>
34 #include <linux/types.h>
35 #include <linux/string.h>
36 #include <linux/configfs.h>
37 #include <linux/ctype.h>
38 #include <asm/unaligned.h>
39 #include <scsi/scsi.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_device.h>
42 #include <scsi/scsi_cmnd.h>
43 #include <target/target_core_base.h>
44 #include <target/target_core_fabric.h>
45 #include <target/target_core_fabric_configfs.h>
46 #include <target/target_core_configfs.h>
47 #include <target/configfs_macros.h>
50 #include "qla_target.h"
51 #include "tcm_qla2xxx.h"
53 static struct workqueue_struct
*tcm_qla2xxx_free_wq
;
54 static struct workqueue_struct
*tcm_qla2xxx_cmd_wq
;
56 static const struct target_core_fabric_ops tcm_qla2xxx_ops
;
57 static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops
;
61 * If strict, we require lower-case hex and colon separators to be sure
62 * the name is the same as what would be generated by ft_format_wwn()
63 * so the name and wwn are mapped one-to-one.
65 static ssize_t
tcm_qla2xxx_parse_wwn(const char *name
, u64
*wwn
, int strict
)
75 for (cp
= name
; cp
< &name
[TCM_QLA2XXX_NAMELEN
- 1]; cp
++) {
77 if (c
== '\n' && cp
[1] == '\0')
79 if (strict
&& pos
++ == 2 && byte
++ < 7) {
88 if (strict
&& byte
!= 8)
95 else if (isxdigit(c
) && (islower(c
) || !strict
))
96 nibble
= tolower(c
) - 'a' + 10;
99 *wwn
= (*wwn
<< 4) | nibble
;
103 pr_debug("err %u len %zu pos %u byte %u\n",
104 err
, cp
- name
, pos
, byte
);
108 static ssize_t
tcm_qla2xxx_format_wwn(char *buf
, size_t len
, u64 wwn
)
112 put_unaligned_be64(wwn
, b
);
113 return snprintf(buf
, len
,
114 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
115 b
[0], b
[1], b
[2], b
[3], b
[4], b
[5], b
[6], b
[7]);
118 static char *tcm_qla2xxx_get_fabric_name(void)
124 * From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn
126 static int tcm_qla2xxx_npiv_extract_wwn(const char *ns
, u64
*nm
)
131 memset(wwn
, 0, sizeof(wwn
));
133 /* Validate and store the new name */
134 for (i
= 0, j
= 0; i
< 16; i
++) {
137 value
= hex_to_bin(*ns
++);
139 j
= (j
<< 4) | value
;
149 *nm
= wwn_to_u64(wwn
);
154 * This parsing logic follows drivers/scsi/scsi_transport_fc.c:
155 * store_fc_host_vport_create()
157 static int tcm_qla2xxx_npiv_parse_wwn(
163 unsigned int cnt
= count
;
169 /* count may include a LF at end of string */
170 if (name
[cnt
-1] == '\n' || name
[cnt
-1] == 0)
173 /* validate we have enough characters for WWPN */
174 if ((cnt
!= (16+1+16)) || (name
[16] != ':'))
177 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[0], wwpn
);
181 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[17], wwnn
);
188 static char *tcm_qla2xxx_npiv_get_fabric_name(void)
190 return "qla2xxx_npiv";
193 static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group
*se_tpg
)
195 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
196 struct tcm_qla2xxx_tpg
, se_tpg
);
197 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
199 return lport
->lport_naa_name
;
202 static u16
tcm_qla2xxx_get_tag(struct se_portal_group
*se_tpg
)
204 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
205 struct tcm_qla2xxx_tpg
, se_tpg
);
206 return tpg
->lport_tpgt
;
209 static u32
tcm_qla2xxx_get_pr_transport_id(
210 struct se_portal_group
*se_tpg
,
211 struct se_node_acl
*se_nacl
,
212 struct t10_pr_registration
*pr_reg
,
216 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
217 struct tcm_qla2xxx_tpg
, se_tpg
);
218 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
221 switch (lport
->lport_proto_id
) {
222 case SCSI_PROTOCOL_FCP
:
224 ret
= fc_get_pr_transport_id(se_tpg
, se_nacl
, pr_reg
,
232 static u32
tcm_qla2xxx_get_pr_transport_id_len(
233 struct se_portal_group
*se_tpg
,
234 struct se_node_acl
*se_nacl
,
235 struct t10_pr_registration
*pr_reg
,
238 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
239 struct tcm_qla2xxx_tpg
, se_tpg
);
240 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
243 switch (lport
->lport_proto_id
) {
244 case SCSI_PROTOCOL_FCP
:
246 ret
= fc_get_pr_transport_id_len(se_tpg
, se_nacl
, pr_reg
,
254 static char *tcm_qla2xxx_parse_pr_out_transport_id(
255 struct se_portal_group
*se_tpg
,
258 char **port_nexus_ptr
)
260 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
261 struct tcm_qla2xxx_tpg
, se_tpg
);
262 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
265 switch (lport
->lport_proto_id
) {
266 case SCSI_PROTOCOL_FCP
:
268 tid
= fc_parse_pr_out_transport_id(se_tpg
, buf
, out_tid_len
,
276 static int tcm_qla2xxx_check_demo_mode(struct se_portal_group
*se_tpg
)
278 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
279 struct tcm_qla2xxx_tpg
, se_tpg
);
281 return tpg
->tpg_attrib
.generate_node_acls
;
284 static int tcm_qla2xxx_check_demo_mode_cache(struct se_portal_group
*se_tpg
)
286 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
287 struct tcm_qla2xxx_tpg
, se_tpg
);
289 return tpg
->tpg_attrib
.cache_dynamic_acls
;
292 static int tcm_qla2xxx_check_demo_write_protect(struct se_portal_group
*se_tpg
)
294 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
295 struct tcm_qla2xxx_tpg
, se_tpg
);
297 return tpg
->tpg_attrib
.demo_mode_write_protect
;
300 static int tcm_qla2xxx_check_prod_write_protect(struct se_portal_group
*se_tpg
)
302 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
303 struct tcm_qla2xxx_tpg
, se_tpg
);
305 return tpg
->tpg_attrib
.prod_mode_write_protect
;
308 static int tcm_qla2xxx_check_demo_mode_login_only(struct se_portal_group
*se_tpg
)
310 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
311 struct tcm_qla2xxx_tpg
, se_tpg
);
313 return tpg
->tpg_attrib
.demo_mode_login_only
;
316 static int tcm_qla2xxx_check_prot_fabric_only(struct se_portal_group
*se_tpg
)
318 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
319 struct tcm_qla2xxx_tpg
, se_tpg
);
321 return tpg
->tpg_attrib
.fabric_prot_type
;
324 static u32
tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group
*se_tpg
)
326 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
327 struct tcm_qla2xxx_tpg
, se_tpg
);
329 return tpg
->lport_tpgt
;
332 static void tcm_qla2xxx_complete_mcmd(struct work_struct
*work
)
334 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(work
,
335 struct qla_tgt_mgmt_cmd
, free_work
);
337 transport_generic_free_cmd(&mcmd
->se_cmd
, 0);
341 * Called from qla_target_template->free_mcmd(), and will call
342 * tcm_qla2xxx_release_cmd() via normal struct target_core_fabric_ops
343 * release callback. qla_hw_data->hardware_lock is expected to be held
345 static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd
*mcmd
)
347 INIT_WORK(&mcmd
->free_work
, tcm_qla2xxx_complete_mcmd
);
348 queue_work(tcm_qla2xxx_free_wq
, &mcmd
->free_work
);
351 static void tcm_qla2xxx_complete_free(struct work_struct
*work
)
353 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
357 WARN_ON(cmd
->cmd_flags
& BIT_16
);
359 cmd
->cmd_flags
|= BIT_16
;
360 transport_generic_free_cmd(&cmd
->se_cmd
, 0);
364 * Called from qla_target_template->free_cmd(), and will call
365 * tcm_qla2xxx_release_cmd via normal struct target_core_fabric_ops
366 * release callback. qla_hw_data->hardware_lock is expected to be held
368 static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd
*cmd
)
371 INIT_WORK(&cmd
->work
, tcm_qla2xxx_complete_free
);
372 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
376 * Called from struct target_core_fabric_ops->check_stop_free() context
378 static int tcm_qla2xxx_check_stop_free(struct se_cmd
*se_cmd
)
380 struct qla_tgt_cmd
*cmd
;
382 if ((se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) == 0) {
383 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
384 cmd
->cmd_flags
|= BIT_14
;
387 return target_put_sess_cmd(se_cmd
);
390 /* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying
391 * fabric descriptor @se_cmd command to release
393 static void tcm_qla2xxx_release_cmd(struct se_cmd
*se_cmd
)
395 struct qla_tgt_cmd
*cmd
;
397 if (se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) {
398 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
399 struct qla_tgt_mgmt_cmd
, se_cmd
);
404 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
408 static int tcm_qla2xxx_shutdown_session(struct se_session
*se_sess
)
410 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
411 struct scsi_qla_host
*vha
;
417 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
418 target_sess_cmd_list_set_waiting(se_sess
);
419 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
424 static void tcm_qla2xxx_close_session(struct se_session
*se_sess
)
426 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
427 struct scsi_qla_host
*vha
;
433 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
434 qlt_unreg_sess(sess
);
435 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
438 static u32
tcm_qla2xxx_sess_get_index(struct se_session
*se_sess
)
443 static int tcm_qla2xxx_write_pending(struct se_cmd
*se_cmd
)
445 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
446 struct qla_tgt_cmd
, se_cmd
);
448 cmd
->bufflen
= se_cmd
->data_length
;
449 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
451 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
452 cmd
->sg
= se_cmd
->t_data_sg
;
454 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
455 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
456 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
460 * qla_target.c:qlt_rdy_to_xfer() will call pci_map_sg() to setup
461 * the SGL mappings into PCIe memory for incoming FCP WRITE data.
463 return qlt_rdy_to_xfer(cmd
);
466 static int tcm_qla2xxx_write_pending_status(struct se_cmd
*se_cmd
)
470 * Check for WRITE_PENDING status to determine if we need to wait for
471 * CTIO aborts to be posted via hardware in tcm_qla2xxx_handle_data().
473 spin_lock_irqsave(&se_cmd
->t_state_lock
, flags
);
474 if (se_cmd
->t_state
== TRANSPORT_WRITE_PENDING
||
475 se_cmd
->t_state
== TRANSPORT_COMPLETE_QF_WP
) {
476 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
477 wait_for_completion_timeout(&se_cmd
->t_transport_stop_comp
,
481 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
486 static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl
*nacl
)
491 static u32
tcm_qla2xxx_get_task_tag(struct se_cmd
*se_cmd
)
493 struct qla_tgt_cmd
*cmd
;
495 /* check for task mgmt cmd */
496 if (se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
)
499 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
504 static int tcm_qla2xxx_get_cmd_state(struct se_cmd
*se_cmd
)
510 * Called from process context in qla_target.c:qlt_do_work() code
512 static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t
*vha
, struct qla_tgt_cmd
*cmd
,
513 unsigned char *cdb
, uint32_t data_length
, int fcp_task_attr
,
514 int data_dir
, int bidi
)
516 struct se_cmd
*se_cmd
= &cmd
->se_cmd
;
517 struct se_session
*se_sess
;
518 struct qla_tgt_sess
*sess
;
519 int flags
= TARGET_SCF_ACK_KREF
;
522 flags
|= TARGET_SCF_BIDI_OP
;
526 pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n");
530 se_sess
= sess
->se_sess
;
532 pr_err("Unable to locate active struct se_session\n");
536 return target_submit_cmd(se_cmd
, se_sess
, cdb
, &cmd
->sense_buffer
[0],
537 cmd
->unpacked_lun
, data_length
, fcp_task_attr
,
541 static void tcm_qla2xxx_handle_data_work(struct work_struct
*work
)
543 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
546 * Ensure that the complete FCP WRITE payload has been received.
547 * Otherwise return an exception via CHECK_CONDITION status.
550 cmd
->cmd_flags
|= BIT_11
;
551 if (!cmd
->write_data_transferred
) {
553 * Check if se_cmd has already been aborted via LUN_RESET, and
554 * waiting upon completion in tcm_qla2xxx_write_pending_status()
556 if (cmd
->se_cmd
.transport_state
& CMD_T_ABORTED
) {
557 complete(&cmd
->se_cmd
.t_transport_stop_comp
);
561 if (cmd
->se_cmd
.pi_err
)
562 transport_generic_request_failure(&cmd
->se_cmd
,
565 transport_generic_request_failure(&cmd
->se_cmd
,
566 TCM_CHECK_CONDITION_ABORT_CMD
);
571 return target_execute_cmd(&cmd
->se_cmd
);
575 * Called from qla_target.c:qlt_do_ctio_completion()
577 static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd
*cmd
)
579 cmd
->cmd_flags
|= BIT_10
;
581 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_data_work
);
582 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
585 static void tcm_qla2xxx_handle_dif_work(struct work_struct
*work
)
587 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
589 /* take an extra kref to prevent cmd free too early.
590 * need to wait for SCSI status/check condition to
591 * finish responding generate by transport_generic_request_failure.
593 kref_get(&cmd
->se_cmd
.cmd_kref
);
594 transport_generic_request_failure(&cmd
->se_cmd
, cmd
->se_cmd
.pi_err
);
598 * Called from qla_target.c:qlt_do_ctio_completion()
600 static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd
*cmd
)
602 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_dif_work
);
603 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
607 * Called from qla_target.c:qlt_issue_task_mgmt()
609 static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd
*mcmd
, uint32_t lun
,
610 uint8_t tmr_func
, uint32_t tag
)
612 struct qla_tgt_sess
*sess
= mcmd
->sess
;
613 struct se_cmd
*se_cmd
= &mcmd
->se_cmd
;
615 return target_submit_tmr(se_cmd
, sess
->se_sess
, NULL
, lun
, mcmd
,
616 tmr_func
, GFP_ATOMIC
, tag
, TARGET_SCF_ACK_KREF
);
619 static int tcm_qla2xxx_queue_data_in(struct se_cmd
*se_cmd
)
621 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
622 struct qla_tgt_cmd
, se_cmd
);
624 cmd
->cmd_flags
|= BIT_4
;
625 cmd
->bufflen
= se_cmd
->data_length
;
626 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
627 cmd
->aborted
= (se_cmd
->transport_state
& CMD_T_ABORTED
);
629 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
630 cmd
->sg
= se_cmd
->t_data_sg
;
632 cmd
->cmd_flags
|= BIT_3
;
634 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
635 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
636 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
640 * Now queue completed DATA_IN the qla2xxx LLD and response ring
642 return qlt_xmit_response(cmd
, QLA_TGT_XMIT_DATA
|QLA_TGT_XMIT_STATUS
,
643 se_cmd
->scsi_status
);
646 static int tcm_qla2xxx_queue_status(struct se_cmd
*se_cmd
)
648 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
649 struct qla_tgt_cmd
, se_cmd
);
650 int xmit_type
= QLA_TGT_XMIT_STATUS
;
652 cmd
->bufflen
= se_cmd
->data_length
;
656 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
657 cmd
->aborted
= (se_cmd
->transport_state
& CMD_T_ABORTED
);
658 if (cmd
->cmd_flags
& BIT_5
) {
659 pr_crit("Bit_5 already set for cmd = %p.\n", cmd
);
662 cmd
->cmd_flags
|= BIT_5
;
664 if (se_cmd
->data_direction
== DMA_FROM_DEVICE
) {
666 * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen
667 * for qla_tgt_xmit_response LLD code
669 if (se_cmd
->se_cmd_flags
& SCF_OVERFLOW_BIT
) {
670 se_cmd
->se_cmd_flags
&= ~SCF_OVERFLOW_BIT
;
671 se_cmd
->residual_count
= 0;
673 se_cmd
->se_cmd_flags
|= SCF_UNDERFLOW_BIT
;
674 se_cmd
->residual_count
+= se_cmd
->data_length
;
679 * Now queue status response to qla2xxx LLD code and response ring
681 return qlt_xmit_response(cmd
, xmit_type
, se_cmd
->scsi_status
);
684 static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd
*se_cmd
)
686 struct se_tmr_req
*se_tmr
= se_cmd
->se_tmr_req
;
687 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
688 struct qla_tgt_mgmt_cmd
, se_cmd
);
690 pr_debug("queue_tm_rsp: mcmd: %p func: 0x%02x response: 0x%02x\n",
691 mcmd
, se_tmr
->function
, se_tmr
->response
);
693 * Do translation between TCM TM response codes and
694 * QLA2xxx FC TM response codes.
696 switch (se_tmr
->response
) {
697 case TMR_FUNCTION_COMPLETE
:
698 mcmd
->fc_tm_rsp
= FC_TM_SUCCESS
;
700 case TMR_TASK_DOES_NOT_EXIST
:
701 mcmd
->fc_tm_rsp
= FC_TM_BAD_CMD
;
703 case TMR_FUNCTION_REJECTED
:
704 mcmd
->fc_tm_rsp
= FC_TM_REJECT
;
706 case TMR_LUN_DOES_NOT_EXIST
:
708 mcmd
->fc_tm_rsp
= FC_TM_FAILED
;
712 * Queue the TM response to QLA2xxx LLD to build a
713 * CTIO response packet.
715 qlt_xmit_tm_rsp(mcmd
);
718 static void tcm_qla2xxx_aborted_task(struct se_cmd
*se_cmd
)
720 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
721 struct qla_tgt_cmd
, se_cmd
);
722 struct scsi_qla_host
*vha
= cmd
->vha
;
723 struct qla_hw_data
*ha
= vha
->hw
;
728 pci_unmap_sg(ha
->pdev
, cmd
->sg
, cmd
->sg_cnt
, cmd
->dma_data_direction
);
732 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*,
733 struct tcm_qla2xxx_nacl
*, struct qla_tgt_sess
*);
735 * Expected to be called with struct qla_hw_data->hardware_lock held
737 static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess
*sess
)
739 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
740 struct se_portal_group
*se_tpg
= se_nacl
->se_tpg
;
741 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
742 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
743 struct tcm_qla2xxx_lport
, lport_wwn
);
744 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
745 struct tcm_qla2xxx_nacl
, se_node_acl
);
748 pr_debug("fc_rport domain: port_id 0x%06x\n", nacl
->nport_id
);
750 node
= btree_remove32(&lport
->lport_fcport_map
, nacl
->nport_id
);
751 if (WARN_ON(node
&& (node
!= se_nacl
))) {
753 * The nacl no longer matches what we think it should be.
754 * Most likely a new dynamic acl has been added while
755 * someone dropped the hardware lock. It clearly is a
756 * bug elsewhere, but this bit can't make things worse.
758 btree_insert32(&lport
->lport_fcport_map
, nacl
->nport_id
,
762 pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
763 se_nacl
, nacl
->nport_wwnn
, nacl
->nport_id
);
765 * Now clear the se_nacl and session pointers from our HW lport lookup
766 * table mapping for this initiator's fabric S_ID and LOOP_ID entries.
768 * This is done ahead of callbacks into tcm_qla2xxx_free_session() ->
769 * target_wait_for_sess_cmds() before the session waits for outstanding
770 * I/O to complete, to avoid a race between session shutdown execution
771 * and incoming ATIOs or TMRs picking up a stale se_node_act reference.
773 tcm_qla2xxx_clear_sess_lookup(lport
, nacl
, sess
);
776 static void tcm_qla2xxx_release_session(struct kref
*kref
)
778 struct se_session
*se_sess
= container_of(kref
,
779 struct se_session
, sess_kref
);
781 qlt_unreg_sess(se_sess
->fabric_sess_ptr
);
784 static void tcm_qla2xxx_put_session(struct se_session
*se_sess
)
786 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
787 struct qla_hw_data
*ha
= sess
->vha
->hw
;
790 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
791 kref_put(&se_sess
->sess_kref
, tcm_qla2xxx_release_session
);
792 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
795 static void tcm_qla2xxx_put_sess(struct qla_tgt_sess
*sess
)
800 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
801 kref_put(&sess
->se_sess
->sess_kref
, tcm_qla2xxx_release_session
);
804 static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess
*sess
)
806 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
807 target_sess_cmd_list_set_waiting(sess
->se_sess
);
810 static int tcm_qla2xxx_init_nodeacl(struct se_node_acl
*se_nacl
,
813 struct tcm_qla2xxx_nacl
*nacl
=
814 container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
817 if (tcm_qla2xxx_parse_wwn(name
, &wwnn
, 1) < 0)
820 nacl
->nport_wwnn
= wwnn
;
821 tcm_qla2xxx_format_wwn(&nacl
->nport_name
[0], TCM_QLA2XXX_NAMELEN
, wwnn
);
826 /* Start items for tcm_qla2xxx_tpg_attrib_cit */
828 #define DEF_QLA_TPG_ATTRIB(name) \
830 static ssize_t tcm_qla2xxx_tpg_attrib_show_##name( \
831 struct se_portal_group *se_tpg, \
834 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
835 struct tcm_qla2xxx_tpg, se_tpg); \
837 return sprintf(page, "%u\n", tpg->tpg_attrib.name); \
840 static ssize_t tcm_qla2xxx_tpg_attrib_store_##name( \
841 struct se_portal_group *se_tpg, \
845 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
846 struct tcm_qla2xxx_tpg, se_tpg); \
850 ret = kstrtoul(page, 0, &val); \
852 pr_err("kstrtoul() failed with" \
853 " ret: %d\n", ret); \
856 ret = tcm_qla2xxx_set_attrib_##name(tpg, val); \
858 return (!ret) ? count : -EINVAL; \
861 #define DEF_QLA_TPG_ATTR_BOOL(_name) \
863 static int tcm_qla2xxx_set_attrib_##_name( \
864 struct tcm_qla2xxx_tpg *tpg, \
867 struct tcm_qla2xxx_tpg_attrib *a = &tpg->tpg_attrib; \
869 if ((val != 0) && (val != 1)) { \
870 pr_err("Illegal boolean value %lu\n", val); \
878 #define QLA_TPG_ATTR(_name, _mode) \
879 TF_TPG_ATTRIB_ATTR(tcm_qla2xxx, _name, _mode);
882 * Define tcm_qla2xxx_tpg_attrib_s_generate_node_acls
884 DEF_QLA_TPG_ATTR_BOOL(generate_node_acls
);
885 DEF_QLA_TPG_ATTRIB(generate_node_acls
);
886 QLA_TPG_ATTR(generate_node_acls
, S_IRUGO
| S_IWUSR
);
889 Define tcm_qla2xxx_attrib_s_cache_dynamic_acls
891 DEF_QLA_TPG_ATTR_BOOL(cache_dynamic_acls
);
892 DEF_QLA_TPG_ATTRIB(cache_dynamic_acls
);
893 QLA_TPG_ATTR(cache_dynamic_acls
, S_IRUGO
| S_IWUSR
);
896 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_write_protect
898 DEF_QLA_TPG_ATTR_BOOL(demo_mode_write_protect
);
899 DEF_QLA_TPG_ATTRIB(demo_mode_write_protect
);
900 QLA_TPG_ATTR(demo_mode_write_protect
, S_IRUGO
| S_IWUSR
);
903 * Define tcm_qla2xxx_tpg_attrib_s_prod_mode_write_protect
905 DEF_QLA_TPG_ATTR_BOOL(prod_mode_write_protect
);
906 DEF_QLA_TPG_ATTRIB(prod_mode_write_protect
);
907 QLA_TPG_ATTR(prod_mode_write_protect
, S_IRUGO
| S_IWUSR
);
910 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_login_only
912 DEF_QLA_TPG_ATTR_BOOL(demo_mode_login_only
);
913 DEF_QLA_TPG_ATTRIB(demo_mode_login_only
);
914 QLA_TPG_ATTR(demo_mode_login_only
, S_IRUGO
| S_IWUSR
);
916 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrib_attrs
[] = {
917 &tcm_qla2xxx_tpg_attrib_generate_node_acls
.attr
,
918 &tcm_qla2xxx_tpg_attrib_cache_dynamic_acls
.attr
,
919 &tcm_qla2xxx_tpg_attrib_demo_mode_write_protect
.attr
,
920 &tcm_qla2xxx_tpg_attrib_prod_mode_write_protect
.attr
,
921 &tcm_qla2xxx_tpg_attrib_demo_mode_login_only
.attr
,
925 /* End items for tcm_qla2xxx_tpg_attrib_cit */
927 static ssize_t
tcm_qla2xxx_tpg_show_enable(
928 struct se_portal_group
*se_tpg
,
931 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
932 struct tcm_qla2xxx_tpg
, se_tpg
);
934 return snprintf(page
, PAGE_SIZE
, "%d\n",
935 atomic_read(&tpg
->lport_tpg_enabled
));
938 static void tcm_qla2xxx_depend_tpg(struct work_struct
*work
)
940 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
941 struct tcm_qla2xxx_tpg
, tpg_base_work
);
942 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
943 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
945 if (!target_depend_item(&se_tpg
->tpg_group
.cg_item
)) {
946 atomic_set(&base_tpg
->lport_tpg_enabled
, 1);
947 qlt_enable_vha(base_vha
);
949 complete(&base_tpg
->tpg_base_comp
);
952 static void tcm_qla2xxx_undepend_tpg(struct work_struct
*work
)
954 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
955 struct tcm_qla2xxx_tpg
, tpg_base_work
);
956 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
957 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
959 if (!qlt_stop_phase1(base_vha
->vha_tgt
.qla_tgt
)) {
960 atomic_set(&base_tpg
->lport_tpg_enabled
, 0);
961 target_undepend_item(&se_tpg
->tpg_group
.cg_item
);
963 complete(&base_tpg
->tpg_base_comp
);
966 static ssize_t
tcm_qla2xxx_tpg_store_enable(
967 struct se_portal_group
*se_tpg
,
971 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
972 struct tcm_qla2xxx_tpg
, se_tpg
);
976 rc
= kstrtoul(page
, 0, &op
);
978 pr_err("kstrtoul() returned %d\n", rc
);
981 if ((op
!= 1) && (op
!= 0)) {
982 pr_err("Illegal value for tpg_enable: %lu\n", op
);
986 if (atomic_read(&tpg
->lport_tpg_enabled
))
989 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_depend_tpg
);
991 if (!atomic_read(&tpg
->lport_tpg_enabled
))
994 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_undepend_tpg
);
996 init_completion(&tpg
->tpg_base_comp
);
997 schedule_work(&tpg
->tpg_base_work
);
998 wait_for_completion(&tpg
->tpg_base_comp
);
1001 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1004 if (atomic_read(&tpg
->lport_tpg_enabled
))
1010 TF_TPG_BASE_ATTR(tcm_qla2xxx
, enable
, S_IRUGO
| S_IWUSR
);
1012 static ssize_t
tcm_qla2xxx_tpg_show_dynamic_sessions(
1013 struct se_portal_group
*se_tpg
,
1016 return target_show_dynamic_sessions(se_tpg
, page
);
1019 TF_TPG_BASE_ATTR_RO(tcm_qla2xxx
, dynamic_sessions
);
1021 static ssize_t
tcm_qla2xxx_tpg_store_fabric_prot_type(
1022 struct se_portal_group
*se_tpg
,
1026 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1027 struct tcm_qla2xxx_tpg
, se_tpg
);
1029 int ret
= kstrtoul(page
, 0, &val
);
1032 pr_err("kstrtoul() returned %d for fabric_prot_type\n", ret
);
1035 if (val
!= 0 && val
!= 1 && val
!= 3) {
1036 pr_err("Invalid qla2xxx fabric_prot_type: %lu\n", val
);
1039 tpg
->tpg_attrib
.fabric_prot_type
= val
;
1044 static ssize_t
tcm_qla2xxx_tpg_show_fabric_prot_type(
1045 struct se_portal_group
*se_tpg
,
1048 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1049 struct tcm_qla2xxx_tpg
, se_tpg
);
1051 return sprintf(page
, "%d\n", tpg
->tpg_attrib
.fabric_prot_type
);
1053 TF_TPG_BASE_ATTR(tcm_qla2xxx
, fabric_prot_type
, S_IRUGO
| S_IWUSR
);
1055 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrs
[] = {
1056 &tcm_qla2xxx_tpg_enable
.attr
,
1057 &tcm_qla2xxx_tpg_dynamic_sessions
.attr
,
1058 &tcm_qla2xxx_tpg_fabric_prot_type
.attr
,
1062 static struct se_portal_group
*tcm_qla2xxx_make_tpg(
1064 struct config_group
*group
,
1067 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1068 struct tcm_qla2xxx_lport
, lport_wwn
);
1069 struct tcm_qla2xxx_tpg
*tpg
;
1073 if (strstr(name
, "tpgt_") != name
)
1074 return ERR_PTR(-EINVAL
);
1075 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
1076 return ERR_PTR(-EINVAL
);
1079 pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
1080 return ERR_PTR(-ENOSYS
);
1083 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
1085 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
1086 return ERR_PTR(-ENOMEM
);
1089 tpg
->lport_tpgt
= tpgt
;
1091 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
1094 tpg
->tpg_attrib
.generate_node_acls
= 1;
1095 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1096 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1097 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1099 ret
= core_tpg_register(&tcm_qla2xxx_ops
, wwn
, &tpg
->se_tpg
,
1108 return &tpg
->se_tpg
;
1111 static void tcm_qla2xxx_drop_tpg(struct se_portal_group
*se_tpg
)
1113 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1114 struct tcm_qla2xxx_tpg
, se_tpg
);
1115 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
1116 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1118 * Call into qla2x_target.c LLD logic to shutdown the active
1119 * FC Nexuses and disable target mode operation for this qla_hw_data
1121 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stop
)
1122 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1124 core_tpg_deregister(se_tpg
);
1126 * Clear local TPG=1 pointer for non NPIV mode.
1128 lport
->tpg_1
= NULL
;
1132 static ssize_t
tcm_qla2xxx_npiv_tpg_show_enable(
1133 struct se_portal_group
*se_tpg
,
1136 return tcm_qla2xxx_tpg_show_enable(se_tpg
, page
);
1139 static ssize_t
tcm_qla2xxx_npiv_tpg_store_enable(
1140 struct se_portal_group
*se_tpg
,
1144 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
1145 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
1146 struct tcm_qla2xxx_lport
, lport_wwn
);
1147 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1148 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1149 struct tcm_qla2xxx_tpg
, se_tpg
);
1153 rc
= kstrtoul(page
, 0, &op
);
1155 pr_err("kstrtoul() returned %d\n", rc
);
1158 if ((op
!= 1) && (op
!= 0)) {
1159 pr_err("Illegal value for tpg_enable: %lu\n", op
);
1163 if (atomic_read(&tpg
->lport_tpg_enabled
))
1166 atomic_set(&tpg
->lport_tpg_enabled
, 1);
1167 qlt_enable_vha(vha
);
1169 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1172 atomic_set(&tpg
->lport_tpg_enabled
, 0);
1173 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1179 TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv
, enable
, S_IRUGO
| S_IWUSR
);
1181 static struct configfs_attribute
*tcm_qla2xxx_npiv_tpg_attrs
[] = {
1182 &tcm_qla2xxx_npiv_tpg_enable
.attr
,
1186 static struct se_portal_group
*tcm_qla2xxx_npiv_make_tpg(
1188 struct config_group
*group
,
1191 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1192 struct tcm_qla2xxx_lport
, lport_wwn
);
1193 struct tcm_qla2xxx_tpg
*tpg
;
1197 if (strstr(name
, "tpgt_") != name
)
1198 return ERR_PTR(-EINVAL
);
1199 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
1200 return ERR_PTR(-EINVAL
);
1202 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
1204 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
1205 return ERR_PTR(-ENOMEM
);
1208 tpg
->lport_tpgt
= tpgt
;
1211 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
1214 tpg
->tpg_attrib
.generate_node_acls
= 1;
1215 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1216 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1217 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1219 ret
= core_tpg_register(&tcm_qla2xxx_npiv_ops
, wwn
, &tpg
->se_tpg
,
1226 return &tpg
->se_tpg
;
1230 * Expected to be called with struct qla_hw_data->hardware_lock held
1232 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_s_id(
1233 scsi_qla_host_t
*vha
,
1234 const uint8_t *s_id
)
1236 struct tcm_qla2xxx_lport
*lport
;
1237 struct se_node_acl
*se_nacl
;
1238 struct tcm_qla2xxx_nacl
*nacl
;
1241 lport
= vha
->vha_tgt
.target_lport_ptr
;
1243 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1248 key
= (((unsigned long)s_id
[0] << 16) |
1249 ((unsigned long)s_id
[1] << 8) |
1250 (unsigned long)s_id
[2]);
1251 pr_debug("find_sess_by_s_id: 0x%06x\n", key
);
1253 se_nacl
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1255 pr_debug("Unable to locate s_id: 0x%06x\n", key
);
1258 pr_debug("find_sess_by_s_id: located se_nacl: %p, initiatorname: %s\n",
1259 se_nacl
, se_nacl
->initiatorname
);
1261 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1262 if (!nacl
->qla_tgt_sess
) {
1263 pr_err("Unable to locate struct qla_tgt_sess\n");
1267 return nacl
->qla_tgt_sess
;
1271 * Expected to be called with struct qla_hw_data->hardware_lock held
1273 static void tcm_qla2xxx_set_sess_by_s_id(
1274 struct tcm_qla2xxx_lport
*lport
,
1275 struct se_node_acl
*new_se_nacl
,
1276 struct tcm_qla2xxx_nacl
*nacl
,
1277 struct se_session
*se_sess
,
1278 struct qla_tgt_sess
*qla_tgt_sess
,
1285 key
= (((unsigned long)s_id
[0] << 16) |
1286 ((unsigned long)s_id
[1] << 8) |
1287 (unsigned long)s_id
[2]);
1288 pr_debug("set_sess_by_s_id: %06x\n", key
);
1290 slot
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1293 pr_debug("Setting up new fc_port entry to new_se_nacl\n");
1294 nacl
->nport_id
= key
;
1295 rc
= btree_insert32(&lport
->lport_fcport_map
, key
,
1296 new_se_nacl
, GFP_ATOMIC
);
1298 printk(KERN_ERR
"Unable to insert s_id into fcport_map: %06x\n",
1301 pr_debug("Wiping nonexisting fc_port entry\n");
1304 qla_tgt_sess
->se_sess
= se_sess
;
1305 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1309 if (nacl
->qla_tgt_sess
) {
1310 if (new_se_nacl
== NULL
) {
1311 pr_debug("Clearing existing nacl->qla_tgt_sess and fc_port entry\n");
1312 btree_remove32(&lport
->lport_fcport_map
, key
);
1313 nacl
->qla_tgt_sess
= NULL
;
1316 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_port entry\n");
1317 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1318 qla_tgt_sess
->se_sess
= se_sess
;
1319 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1323 if (new_se_nacl
== NULL
) {
1324 pr_debug("Clearing existing fc_port entry\n");
1325 btree_remove32(&lport
->lport_fcport_map
, key
);
1329 pr_debug("Replacing existing fc_port entry w/o active nacl->qla_tgt_sess\n");
1330 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1331 qla_tgt_sess
->se_sess
= se_sess
;
1332 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1334 pr_debug("Setup nacl->qla_tgt_sess %p by s_id for se_nacl: %p, initiatorname: %s\n",
1335 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1339 * Expected to be called with struct qla_hw_data->hardware_lock held
1341 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_loop_id(
1342 scsi_qla_host_t
*vha
,
1343 const uint16_t loop_id
)
1345 struct tcm_qla2xxx_lport
*lport
;
1346 struct se_node_acl
*se_nacl
;
1347 struct tcm_qla2xxx_nacl
*nacl
;
1348 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1350 lport
= vha
->vha_tgt
.target_lport_ptr
;
1352 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1357 pr_debug("find_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1359 fc_loopid
= lport
->lport_loopid_map
+ loop_id
;
1360 se_nacl
= fc_loopid
->se_nacl
;
1362 pr_debug("Unable to locate se_nacl by loop_id: 0x%04x\n",
1367 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1369 if (!nacl
->qla_tgt_sess
) {
1370 pr_err("Unable to locate struct qla_tgt_sess\n");
1374 return nacl
->qla_tgt_sess
;
1378 * Expected to be called with struct qla_hw_data->hardware_lock held
1380 static void tcm_qla2xxx_set_sess_by_loop_id(
1381 struct tcm_qla2xxx_lport
*lport
,
1382 struct se_node_acl
*new_se_nacl
,
1383 struct tcm_qla2xxx_nacl
*nacl
,
1384 struct se_session
*se_sess
,
1385 struct qla_tgt_sess
*qla_tgt_sess
,
1388 struct se_node_acl
*saved_nacl
;
1389 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1391 pr_debug("set_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1393 fc_loopid
= &((struct tcm_qla2xxx_fc_loopid
*)
1394 lport
->lport_loopid_map
)[loop_id
];
1396 saved_nacl
= fc_loopid
->se_nacl
;
1398 pr_debug("Setting up new fc_loopid->se_nacl to new_se_nacl\n");
1399 fc_loopid
->se_nacl
= new_se_nacl
;
1400 if (qla_tgt_sess
->se_sess
!= se_sess
)
1401 qla_tgt_sess
->se_sess
= se_sess
;
1402 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1403 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1407 if (nacl
->qla_tgt_sess
) {
1408 if (new_se_nacl
== NULL
) {
1409 pr_debug("Clearing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1410 fc_loopid
->se_nacl
= NULL
;
1411 nacl
->qla_tgt_sess
= NULL
;
1415 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1416 fc_loopid
->se_nacl
= new_se_nacl
;
1417 if (qla_tgt_sess
->se_sess
!= se_sess
)
1418 qla_tgt_sess
->se_sess
= se_sess
;
1419 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1420 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1424 if (new_se_nacl
== NULL
) {
1425 pr_debug("Clearing fc_loopid->se_nacl\n");
1426 fc_loopid
->se_nacl
= NULL
;
1430 pr_debug("Replacing existing fc_loopid->se_nacl w/o active nacl->qla_tgt_sess\n");
1431 fc_loopid
->se_nacl
= new_se_nacl
;
1432 if (qla_tgt_sess
->se_sess
!= se_sess
)
1433 qla_tgt_sess
->se_sess
= se_sess
;
1434 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1435 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1437 pr_debug("Setup nacl->qla_tgt_sess %p by loop_id for se_nacl: %p, initiatorname: %s\n",
1438 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1442 * Should always be called with qla_hw_data->hardware_lock held.
1444 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*lport
,
1445 struct tcm_qla2xxx_nacl
*nacl
, struct qla_tgt_sess
*sess
)
1447 struct se_session
*se_sess
= sess
->se_sess
;
1448 unsigned char be_sid
[3];
1450 be_sid
[0] = sess
->s_id
.b
.domain
;
1451 be_sid
[1] = sess
->s_id
.b
.area
;
1452 be_sid
[2] = sess
->s_id
.b
.al_pa
;
1454 tcm_qla2xxx_set_sess_by_s_id(lport
, NULL
, nacl
, se_sess
,
1456 tcm_qla2xxx_set_sess_by_loop_id(lport
, NULL
, nacl
, se_sess
,
1457 sess
, sess
->loop_id
);
1460 static void tcm_qla2xxx_free_session(struct qla_tgt_sess
*sess
)
1462 struct qla_tgt
*tgt
= sess
->tgt
;
1463 struct qla_hw_data
*ha
= tgt
->ha
;
1464 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1465 struct se_session
*se_sess
;
1466 struct se_node_acl
*se_nacl
;
1467 struct tcm_qla2xxx_lport
*lport
;
1468 struct tcm_qla2xxx_nacl
*nacl
;
1470 BUG_ON(in_interrupt());
1472 se_sess
= sess
->se_sess
;
1474 pr_err("struct qla_tgt_sess->se_sess is NULL\n");
1478 se_nacl
= se_sess
->se_node_acl
;
1479 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1481 lport
= vha
->vha_tgt
.target_lport_ptr
;
1483 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1487 target_wait_for_sess_cmds(se_sess
);
1489 transport_deregister_session_configfs(sess
->se_sess
);
1490 transport_deregister_session(sess
->se_sess
);
1494 * Called via qlt_create_sess():ha->qla2x_tmpl->check_initiator_node_acl()
1495 * to locate struct se_node_acl
1497 static int tcm_qla2xxx_check_initiator_node_acl(
1498 scsi_qla_host_t
*vha
,
1499 unsigned char *fc_wwpn
,
1504 struct qla_hw_data
*ha
= vha
->hw
;
1505 struct tcm_qla2xxx_lport
*lport
;
1506 struct tcm_qla2xxx_tpg
*tpg
;
1507 struct tcm_qla2xxx_nacl
*nacl
;
1508 struct se_portal_group
*se_tpg
;
1509 struct se_node_acl
*se_nacl
;
1510 struct se_session
*se_sess
;
1511 struct qla_tgt_sess
*sess
= qla_tgt_sess
;
1512 unsigned char port_name
[36];
1513 unsigned long flags
;
1514 int num_tags
= (ha
->fw_xcb_count
) ? ha
->fw_xcb_count
:
1515 TCM_QLA2XXX_DEFAULT_TAGS
;
1517 lport
= vha
->vha_tgt
.target_lport_ptr
;
1519 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1524 * Locate the TPG=1 reference..
1528 pr_err("Unable to lcoate struct tcm_qla2xxx_lport->tpg_1\n");
1531 se_tpg
= &tpg
->se_tpg
;
1533 se_sess
= transport_init_session_tags(num_tags
,
1534 sizeof(struct qla_tgt_cmd
),
1536 if (IS_ERR(se_sess
)) {
1537 pr_err("Unable to initialize struct se_session\n");
1538 return PTR_ERR(se_sess
);
1541 * Format the FCP Initiator port_name into colon seperated values to
1542 * match the format by tcm_qla2xxx explict ConfigFS NodeACLs.
1544 memset(&port_name
, 0, 36);
1545 snprintf(port_name
, sizeof(port_name
), "%8phC", fc_wwpn
);
1547 * Locate our struct se_node_acl either from an explict NodeACL created
1548 * via ConfigFS, or via running in TPG demo mode.
1550 se_sess
->se_node_acl
= core_tpg_check_initiator_node_acl(se_tpg
,
1552 if (!se_sess
->se_node_acl
) {
1553 transport_free_session(se_sess
);
1556 se_nacl
= se_sess
->se_node_acl
;
1557 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1559 * And now setup the new se_nacl and session pointers into our HW lport
1560 * mappings for fabric S_ID and LOOP_ID.
1562 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1563 tcm_qla2xxx_set_sess_by_s_id(lport
, se_nacl
, nacl
, se_sess
,
1564 qla_tgt_sess
, s_id
);
1565 tcm_qla2xxx_set_sess_by_loop_id(lport
, se_nacl
, nacl
, se_sess
,
1566 qla_tgt_sess
, loop_id
);
1567 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1569 * Finally register the new FC Nexus with TCM
1571 transport_register_session(se_nacl
->se_tpg
, se_nacl
, se_sess
, sess
);
1576 static void tcm_qla2xxx_update_sess(struct qla_tgt_sess
*sess
, port_id_t s_id
,
1577 uint16_t loop_id
, bool conf_compl_supported
)
1579 struct qla_tgt
*tgt
= sess
->tgt
;
1580 struct qla_hw_data
*ha
= tgt
->ha
;
1581 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1582 struct tcm_qla2xxx_lport
*lport
= vha
->vha_tgt
.target_lport_ptr
;
1583 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
1584 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
1585 struct tcm_qla2xxx_nacl
, se_node_acl
);
1589 if (sess
->loop_id
!= loop_id
|| sess
->s_id
.b24
!= s_id
.b24
)
1590 pr_info("Updating session %p from port %8phC loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n",
1591 sess
, sess
->port_name
,
1592 sess
->loop_id
, loop_id
, sess
->s_id
.b
.domain
,
1593 sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
, s_id
.b
.domain
,
1594 s_id
.b
.area
, s_id
.b
.al_pa
);
1596 if (sess
->loop_id
!= loop_id
) {
1598 * Because we can shuffle loop IDs around and we
1599 * update different sessions non-atomically, we might
1600 * have overwritten this session's old loop ID
1601 * already, and we might end up overwriting some other
1602 * session that will be updated later. So we have to
1603 * be extra careful and we can't warn about those things...
1605 if (lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
== se_nacl
)
1606 lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
= NULL
;
1608 lport
->lport_loopid_map
[loop_id
].se_nacl
= se_nacl
;
1610 sess
->loop_id
= loop_id
;
1613 if (sess
->s_id
.b24
!= s_id
.b24
) {
1614 key
= (((u32
) sess
->s_id
.b
.domain
<< 16) |
1615 ((u32
) sess
->s_id
.b
.area
<< 8) |
1616 ((u32
) sess
->s_id
.b
.al_pa
));
1618 if (btree_lookup32(&lport
->lport_fcport_map
, key
))
1619 WARN(btree_remove32(&lport
->lport_fcport_map
, key
) != se_nacl
,
1620 "Found wrong se_nacl when updating s_id %x:%x:%x\n",
1621 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1623 WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n",
1624 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1626 key
= (((u32
) s_id
.b
.domain
<< 16) |
1627 ((u32
) s_id
.b
.area
<< 8) |
1628 ((u32
) s_id
.b
.al_pa
));
1630 if (btree_lookup32(&lport
->lport_fcport_map
, key
)) {
1631 WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n",
1632 s_id
.b
.domain
, s_id
.b
.area
, s_id
.b
.al_pa
);
1633 btree_update32(&lport
->lport_fcport_map
, key
, se_nacl
);
1635 btree_insert32(&lport
->lport_fcport_map
, key
, se_nacl
, GFP_ATOMIC
);
1639 nacl
->nport_id
= key
;
1642 sess
->conf_compl_supported
= conf_compl_supported
;
1646 * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
1648 static struct qla_tgt_func_tmpl tcm_qla2xxx_template
= {
1649 .handle_cmd
= tcm_qla2xxx_handle_cmd
,
1650 .handle_data
= tcm_qla2xxx_handle_data
,
1651 .handle_dif_err
= tcm_qla2xxx_handle_dif_err
,
1652 .handle_tmr
= tcm_qla2xxx_handle_tmr
,
1653 .free_cmd
= tcm_qla2xxx_free_cmd
,
1654 .free_mcmd
= tcm_qla2xxx_free_mcmd
,
1655 .free_session
= tcm_qla2xxx_free_session
,
1656 .update_sess
= tcm_qla2xxx_update_sess
,
1657 .check_initiator_node_acl
= tcm_qla2xxx_check_initiator_node_acl
,
1658 .find_sess_by_s_id
= tcm_qla2xxx_find_sess_by_s_id
,
1659 .find_sess_by_loop_id
= tcm_qla2xxx_find_sess_by_loop_id
,
1660 .clear_nacl_from_fcport_map
= tcm_qla2xxx_clear_nacl_from_fcport_map
,
1661 .put_sess
= tcm_qla2xxx_put_sess
,
1662 .shutdown_sess
= tcm_qla2xxx_shutdown_sess
,
1665 static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport
*lport
)
1669 rc
= btree_init32(&lport
->lport_fcport_map
);
1671 pr_err("Unable to initialize lport->lport_fcport_map btree\n");
1675 lport
->lport_loopid_map
= vmalloc(sizeof(struct tcm_qla2xxx_fc_loopid
) *
1677 if (!lport
->lport_loopid_map
) {
1678 pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
1679 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1680 btree_destroy32(&lport
->lport_fcport_map
);
1683 memset(lport
->lport_loopid_map
, 0, sizeof(struct tcm_qla2xxx_fc_loopid
)
1685 pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
1686 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1690 static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host
*vha
,
1691 void *target_lport_ptr
,
1692 u64 npiv_wwpn
, u64 npiv_wwnn
)
1694 struct qla_hw_data
*ha
= vha
->hw
;
1695 struct tcm_qla2xxx_lport
*lport
=
1696 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1698 * Setup tgt_ops, local pointer to vha and target_lport_ptr
1700 ha
->tgt
.tgt_ops
= &tcm_qla2xxx_template
;
1701 vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1702 lport
->qla_vha
= vha
;
1707 static struct se_wwn
*tcm_qla2xxx_make_lport(
1708 struct target_fabric_configfs
*tf
,
1709 struct config_group
*group
,
1712 struct tcm_qla2xxx_lport
*lport
;
1716 if (tcm_qla2xxx_parse_wwn(name
, &wwpn
, 1) < 0)
1717 return ERR_PTR(-EINVAL
);
1719 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1721 pr_err("Unable to allocate struct tcm_qla2xxx_lport\n");
1722 return ERR_PTR(-ENOMEM
);
1724 lport
->lport_wwpn
= wwpn
;
1725 tcm_qla2xxx_format_wwn(&lport
->lport_name
[0], TCM_QLA2XXX_NAMELEN
,
1727 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) wwpn
);
1729 ret
= tcm_qla2xxx_init_lport(lport
);
1733 ret
= qlt_lport_register(lport
, wwpn
, 0, 0,
1734 tcm_qla2xxx_lport_register_cb
);
1738 return &lport
->lport_wwn
;
1740 vfree(lport
->lport_loopid_map
);
1741 btree_destroy32(&lport
->lport_fcport_map
);
1744 return ERR_PTR(ret
);
1747 static void tcm_qla2xxx_drop_lport(struct se_wwn
*wwn
)
1749 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1750 struct tcm_qla2xxx_lport
, lport_wwn
);
1751 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1752 struct se_node_acl
*node
;
1756 * Call into qla2x_target.c LLD logic to complete the
1757 * shutdown of struct qla_tgt after the call to
1758 * qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
1760 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stopped
)
1761 qlt_stop_phase2(vha
->vha_tgt
.qla_tgt
);
1763 qlt_lport_deregister(vha
);
1765 vfree(lport
->lport_loopid_map
);
1766 btree_for_each_safe32(&lport
->lport_fcport_map
, key
, node
)
1767 btree_remove32(&lport
->lport_fcport_map
, key
);
1768 btree_destroy32(&lport
->lport_fcport_map
);
1772 static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host
*base_vha
,
1773 void *target_lport_ptr
,
1774 u64 npiv_wwpn
, u64 npiv_wwnn
)
1776 struct fc_vport
*vport
;
1777 struct Scsi_Host
*sh
= base_vha
->host
;
1778 struct scsi_qla_host
*npiv_vha
;
1779 struct tcm_qla2xxx_lport
*lport
=
1780 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1781 struct tcm_qla2xxx_lport
*base_lport
=
1782 (struct tcm_qla2xxx_lport
*)base_vha
->vha_tgt
.target_lport_ptr
;
1783 struct tcm_qla2xxx_tpg
*base_tpg
;
1784 struct fc_vport_identifiers vport_id
;
1786 if (!qla_tgt_mode_enabled(base_vha
)) {
1787 pr_err("qla2xxx base_vha not enabled for target mode\n");
1791 if (!base_lport
|| !base_lport
->tpg_1
||
1792 !atomic_read(&base_lport
->tpg_1
->lport_tpg_enabled
)) {
1793 pr_err("qla2xxx base_lport or tpg_1 not available\n");
1796 base_tpg
= base_lport
->tpg_1
;
1798 memset(&vport_id
, 0, sizeof(vport_id
));
1799 vport_id
.port_name
= npiv_wwpn
;
1800 vport_id
.node_name
= npiv_wwnn
;
1801 vport_id
.roles
= FC_PORT_ROLE_FCP_INITIATOR
;
1802 vport_id
.vport_type
= FC_PORTTYPE_NPIV
;
1803 vport_id
.disable
= false;
1805 vport
= fc_vport_create(sh
, 0, &vport_id
);
1807 pr_err("fc_vport_create failed for qla2xxx_npiv\n");
1811 * Setup local pointer to NPIV vhba + target_lport_ptr
1813 npiv_vha
= (struct scsi_qla_host
*)vport
->dd_data
;
1814 npiv_vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1815 lport
->qla_vha
= npiv_vha
;
1816 scsi_host_get(npiv_vha
->host
);
1821 static struct se_wwn
*tcm_qla2xxx_npiv_make_lport(
1822 struct target_fabric_configfs
*tf
,
1823 struct config_group
*group
,
1826 struct tcm_qla2xxx_lport
*lport
;
1827 u64 phys_wwpn
, npiv_wwpn
, npiv_wwnn
;
1831 snprintf(tmp
, 128, "%s", name
);
1833 p
= strchr(tmp
, '@');
1835 pr_err("Unable to locate NPIV '@' seperator\n");
1836 return ERR_PTR(-EINVAL
);
1840 if (tcm_qla2xxx_parse_wwn(tmp
, &phys_wwpn
, 1) < 0)
1841 return ERR_PTR(-EINVAL
);
1843 if (tcm_qla2xxx_npiv_parse_wwn(p
, strlen(p
)+1,
1844 &npiv_wwpn
, &npiv_wwnn
) < 0)
1845 return ERR_PTR(-EINVAL
);
1847 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1849 pr_err("Unable to allocate struct tcm_qla2xxx_lport for NPIV\n");
1850 return ERR_PTR(-ENOMEM
);
1852 lport
->lport_npiv_wwpn
= npiv_wwpn
;
1853 lport
->lport_npiv_wwnn
= npiv_wwnn
;
1854 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) npiv_wwpn
);
1856 ret
= tcm_qla2xxx_init_lport(lport
);
1860 ret
= qlt_lport_register(lport
, phys_wwpn
, npiv_wwpn
, npiv_wwnn
,
1861 tcm_qla2xxx_lport_register_npiv_cb
);
1865 return &lport
->lport_wwn
;
1867 vfree(lport
->lport_loopid_map
);
1868 btree_destroy32(&lport
->lport_fcport_map
);
1871 return ERR_PTR(ret
);
1874 static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn
*wwn
)
1876 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1877 struct tcm_qla2xxx_lport
, lport_wwn
);
1878 struct scsi_qla_host
*npiv_vha
= lport
->qla_vha
;
1879 struct qla_hw_data
*ha
= npiv_vha
->hw
;
1880 scsi_qla_host_t
*base_vha
= pci_get_drvdata(ha
->pdev
);
1882 scsi_host_put(npiv_vha
->host
);
1884 * Notify libfc that we want to release the vha->fc_vport
1886 fc_vport_terminate(npiv_vha
->fc_vport
);
1887 scsi_host_put(base_vha
->host
);
1892 static ssize_t
tcm_qla2xxx_wwn_show_attr_version(
1893 struct target_fabric_configfs
*tf
,
1896 return sprintf(page
,
1897 "TCM QLOGIC QLA2XXX NPIV capable fabric module %s on %s/%s on "
1898 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
1899 utsname()->machine
);
1902 TF_WWN_ATTR_RO(tcm_qla2xxx
, version
);
1904 static struct configfs_attribute
*tcm_qla2xxx_wwn_attrs
[] = {
1905 &tcm_qla2xxx_wwn_version
.attr
,
1909 static const struct target_core_fabric_ops tcm_qla2xxx_ops
= {
1910 .module
= THIS_MODULE
,
1912 .node_acl_size
= sizeof(struct tcm_qla2xxx_nacl
),
1913 .get_fabric_name
= tcm_qla2xxx_get_fabric_name
,
1914 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1915 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1916 .tpg_get_pr_transport_id
= tcm_qla2xxx_get_pr_transport_id
,
1917 .tpg_get_pr_transport_id_len
= tcm_qla2xxx_get_pr_transport_id_len
,
1918 .tpg_parse_pr_out_transport_id
= tcm_qla2xxx_parse_pr_out_transport_id
,
1919 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1920 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1921 .tpg_check_demo_mode_write_protect
=
1922 tcm_qla2xxx_check_demo_write_protect
,
1923 .tpg_check_prod_mode_write_protect
=
1924 tcm_qla2xxx_check_prod_write_protect
,
1925 .tpg_check_prot_fabric_only
= tcm_qla2xxx_check_prot_fabric_only
,
1926 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1927 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1928 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1929 .release_cmd
= tcm_qla2xxx_release_cmd
,
1930 .put_session
= tcm_qla2xxx_put_session
,
1931 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1932 .close_session
= tcm_qla2xxx_close_session
,
1933 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1934 .sess_get_initiator_sid
= NULL
,
1935 .write_pending
= tcm_qla2xxx_write_pending
,
1936 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1937 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1938 .get_task_tag
= tcm_qla2xxx_get_task_tag
,
1939 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1940 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1941 .queue_status
= tcm_qla2xxx_queue_status
,
1942 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1943 .aborted_task
= tcm_qla2xxx_aborted_task
,
1945 * Setup function pointers for generic logic in
1946 * target_core_fabric_configfs.c
1948 .fabric_make_wwn
= tcm_qla2xxx_make_lport
,
1949 .fabric_drop_wwn
= tcm_qla2xxx_drop_lport
,
1950 .fabric_make_tpg
= tcm_qla2xxx_make_tpg
,
1951 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
1952 .fabric_init_nodeacl
= tcm_qla2xxx_init_nodeacl
,
1954 .tfc_wwn_attrs
= tcm_qla2xxx_wwn_attrs
,
1955 .tfc_tpg_base_attrs
= tcm_qla2xxx_tpg_attrs
,
1956 .tfc_tpg_attrib_attrs
= tcm_qla2xxx_tpg_attrib_attrs
,
1959 static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops
= {
1960 .module
= THIS_MODULE
,
1961 .name
= "qla2xxx_npiv",
1962 .node_acl_size
= sizeof(struct tcm_qla2xxx_nacl
),
1963 .get_fabric_name
= tcm_qla2xxx_npiv_get_fabric_name
,
1964 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1965 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1966 .tpg_get_pr_transport_id
= tcm_qla2xxx_get_pr_transport_id
,
1967 .tpg_get_pr_transport_id_len
= tcm_qla2xxx_get_pr_transport_id_len
,
1968 .tpg_parse_pr_out_transport_id
= tcm_qla2xxx_parse_pr_out_transport_id
,
1969 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1970 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1971 .tpg_check_demo_mode_write_protect
= tcm_qla2xxx_check_demo_mode
,
1972 .tpg_check_prod_mode_write_protect
=
1973 tcm_qla2xxx_check_prod_write_protect
,
1974 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1975 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1976 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1977 .release_cmd
= tcm_qla2xxx_release_cmd
,
1978 .put_session
= tcm_qla2xxx_put_session
,
1979 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1980 .close_session
= tcm_qla2xxx_close_session
,
1981 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1982 .sess_get_initiator_sid
= NULL
,
1983 .write_pending
= tcm_qla2xxx_write_pending
,
1984 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1985 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1986 .get_task_tag
= tcm_qla2xxx_get_task_tag
,
1987 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1988 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1989 .queue_status
= tcm_qla2xxx_queue_status
,
1990 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1991 .aborted_task
= tcm_qla2xxx_aborted_task
,
1993 * Setup function pointers for generic logic in
1994 * target_core_fabric_configfs.c
1996 .fabric_make_wwn
= tcm_qla2xxx_npiv_make_lport
,
1997 .fabric_drop_wwn
= tcm_qla2xxx_npiv_drop_lport
,
1998 .fabric_make_tpg
= tcm_qla2xxx_npiv_make_tpg
,
1999 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
2000 .fabric_init_nodeacl
= tcm_qla2xxx_init_nodeacl
,
2002 .tfc_wwn_attrs
= tcm_qla2xxx_wwn_attrs
,
2003 .tfc_tpg_base_attrs
= tcm_qla2xxx_npiv_tpg_attrs
,
2006 static int tcm_qla2xxx_register_configfs(void)
2010 pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on "
2011 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
2012 utsname()->machine
);
2014 ret
= target_register_template(&tcm_qla2xxx_ops
);
2018 ret
= target_register_template(&tcm_qla2xxx_npiv_ops
);
2022 tcm_qla2xxx_free_wq
= alloc_workqueue("tcm_qla2xxx_free",
2024 if (!tcm_qla2xxx_free_wq
) {
2026 goto out_fabric_npiv
;
2029 tcm_qla2xxx_cmd_wq
= alloc_workqueue("tcm_qla2xxx_cmd", 0, 0);
2030 if (!tcm_qla2xxx_cmd_wq
) {
2038 destroy_workqueue(tcm_qla2xxx_free_wq
);
2040 target_unregister_template(&tcm_qla2xxx_npiv_ops
);
2042 target_unregister_template(&tcm_qla2xxx_ops
);
2046 static void tcm_qla2xxx_deregister_configfs(void)
2048 destroy_workqueue(tcm_qla2xxx_cmd_wq
);
2049 destroy_workqueue(tcm_qla2xxx_free_wq
);
2051 target_unregister_template(&tcm_qla2xxx_ops
);
2052 target_unregister_template(&tcm_qla2xxx_npiv_ops
);
2055 static int __init
tcm_qla2xxx_init(void)
2059 ret
= tcm_qla2xxx_register_configfs();
2066 static void __exit
tcm_qla2xxx_exit(void)
2068 tcm_qla2xxx_deregister_configfs();
2071 MODULE_DESCRIPTION("TCM QLA2XXX series NPIV enabled fabric driver");
2072 MODULE_LICENSE("GPL");
2073 module_init(tcm_qla2xxx_init
);
2074 module_exit(tcm_qla2xxx_exit
);