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/vmalloc.h>
31 #include <linux/init.h>
32 #include <linux/list.h>
33 #include <linux/slab.h>
34 #include <linux/kthread.h>
35 #include <linux/types.h>
36 #include <linux/string.h>
37 #include <linux/configfs.h>
38 #include <linux/ctype.h>
39 #include <asm/unaligned.h>
40 #include <scsi/scsi.h>
41 #include <scsi/scsi_host.h>
42 #include <scsi/scsi_device.h>
43 #include <scsi/scsi_cmnd.h>
44 #include <target/target_core_base.h>
45 #include <target/target_core_fabric.h>
46 #include <target/target_core_fabric_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
;
58 * If strict, we require lower-case hex and colon separators to be sure
59 * the name is the same as what would be generated by ft_format_wwn()
60 * so the name and wwn are mapped one-to-one.
62 static ssize_t
tcm_qla2xxx_parse_wwn(const char *name
, u64
*wwn
, int strict
)
72 for (cp
= name
; cp
< &name
[TCM_QLA2XXX_NAMELEN
- 1]; cp
++) {
74 if (c
== '\n' && cp
[1] == '\0')
76 if (strict
&& pos
++ == 2 && byte
++ < 7) {
85 if (strict
&& byte
!= 8)
92 else if (isxdigit(c
) && (islower(c
) || !strict
))
93 nibble
= tolower(c
) - 'a' + 10;
96 *wwn
= (*wwn
<< 4) | nibble
;
100 pr_debug("err %u len %zu pos %u byte %u\n",
101 err
, cp
- name
, pos
, byte
);
105 static ssize_t
tcm_qla2xxx_format_wwn(char *buf
, size_t len
, u64 wwn
)
109 put_unaligned_be64(wwn
, b
);
110 return snprintf(buf
, len
,
111 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
112 b
[0], b
[1], b
[2], b
[3], b
[4], b
[5], b
[6], b
[7]);
115 static char *tcm_qla2xxx_get_fabric_name(void)
121 * From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn
123 static int tcm_qla2xxx_npiv_extract_wwn(const char *ns
, u64
*nm
)
128 memset(wwn
, 0, sizeof(wwn
));
130 /* Validate and store the new name */
131 for (i
= 0, j
= 0; i
< 16; i
++) {
134 value
= hex_to_bin(*ns
++);
136 j
= (j
<< 4) | value
;
146 *nm
= wwn_to_u64(wwn
);
151 * This parsing logic follows drivers/scsi/scsi_transport_fc.c:
152 * store_fc_host_vport_create()
154 static int tcm_qla2xxx_npiv_parse_wwn(
160 unsigned int cnt
= count
;
166 /* count may include a LF at end of string */
167 if (name
[cnt
-1] == '\n' || name
[cnt
-1] == 0)
170 /* validate we have enough characters for WWPN */
171 if ((cnt
!= (16+1+16)) || (name
[16] != ':'))
174 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[0], wwpn
);
178 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[17], wwnn
);
185 static char *tcm_qla2xxx_npiv_get_fabric_name(void)
187 return "qla2xxx_npiv";
190 static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group
*se_tpg
)
192 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
193 struct tcm_qla2xxx_tpg
, se_tpg
);
194 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
196 return lport
->lport_naa_name
;
199 static u16
tcm_qla2xxx_get_tag(struct se_portal_group
*se_tpg
)
201 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
202 struct tcm_qla2xxx_tpg
, se_tpg
);
203 return tpg
->lport_tpgt
;
206 static int tcm_qla2xxx_check_demo_mode(struct se_portal_group
*se_tpg
)
208 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
209 struct tcm_qla2xxx_tpg
, se_tpg
);
211 return tpg
->tpg_attrib
.generate_node_acls
;
214 static int tcm_qla2xxx_check_demo_mode_cache(struct se_portal_group
*se_tpg
)
216 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
217 struct tcm_qla2xxx_tpg
, se_tpg
);
219 return tpg
->tpg_attrib
.cache_dynamic_acls
;
222 static int tcm_qla2xxx_check_demo_write_protect(struct se_portal_group
*se_tpg
)
224 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
225 struct tcm_qla2xxx_tpg
, se_tpg
);
227 return tpg
->tpg_attrib
.demo_mode_write_protect
;
230 static int tcm_qla2xxx_check_prod_write_protect(struct se_portal_group
*se_tpg
)
232 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
233 struct tcm_qla2xxx_tpg
, se_tpg
);
235 return tpg
->tpg_attrib
.prod_mode_write_protect
;
238 static int tcm_qla2xxx_check_demo_mode_login_only(struct se_portal_group
*se_tpg
)
240 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
241 struct tcm_qla2xxx_tpg
, se_tpg
);
243 return tpg
->tpg_attrib
.demo_mode_login_only
;
246 static int tcm_qla2xxx_check_prot_fabric_only(struct se_portal_group
*se_tpg
)
248 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
249 struct tcm_qla2xxx_tpg
, se_tpg
);
251 return tpg
->tpg_attrib
.fabric_prot_type
;
254 static u32
tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group
*se_tpg
)
256 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
257 struct tcm_qla2xxx_tpg
, se_tpg
);
259 return tpg
->lport_tpgt
;
262 static void tcm_qla2xxx_complete_mcmd(struct work_struct
*work
)
264 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(work
,
265 struct qla_tgt_mgmt_cmd
, free_work
);
267 transport_generic_free_cmd(&mcmd
->se_cmd
, 0);
271 * Called from qla_target_template->free_mcmd(), and will call
272 * tcm_qla2xxx_release_cmd() via normal struct target_core_fabric_ops
273 * release callback. qla_hw_data->hardware_lock is expected to be held
275 static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd
*mcmd
)
277 INIT_WORK(&mcmd
->free_work
, tcm_qla2xxx_complete_mcmd
);
278 queue_work(tcm_qla2xxx_free_wq
, &mcmd
->free_work
);
281 static void tcm_qla2xxx_complete_free(struct work_struct
*work
)
283 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
287 WARN_ON(cmd
->cmd_flags
& BIT_16
);
289 cmd
->cmd_flags
|= BIT_16
;
290 transport_generic_free_cmd(&cmd
->se_cmd
, 0);
294 * Called from qla_target_template->free_cmd(), and will call
295 * tcm_qla2xxx_release_cmd via normal struct target_core_fabric_ops
296 * release callback. qla_hw_data->hardware_lock is expected to be held
298 static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd
*cmd
)
301 INIT_WORK(&cmd
->work
, tcm_qla2xxx_complete_free
);
302 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
306 * Called from struct target_core_fabric_ops->check_stop_free() context
308 static int tcm_qla2xxx_check_stop_free(struct se_cmd
*se_cmd
)
310 struct qla_tgt_cmd
*cmd
;
312 if ((se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) == 0) {
313 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
314 cmd
->cmd_flags
|= BIT_14
;
317 return target_put_sess_cmd(se_cmd
);
320 /* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying
321 * fabric descriptor @se_cmd command to release
323 static void tcm_qla2xxx_release_cmd(struct se_cmd
*se_cmd
)
325 struct qla_tgt_cmd
*cmd
;
327 if (se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) {
328 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
329 struct qla_tgt_mgmt_cmd
, se_cmd
);
334 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
338 static int tcm_qla2xxx_shutdown_session(struct se_session
*se_sess
)
340 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
341 struct scsi_qla_host
*vha
;
347 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
348 target_sess_cmd_list_set_waiting(se_sess
);
349 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
354 static void tcm_qla2xxx_close_session(struct se_session
*se_sess
)
356 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
357 struct scsi_qla_host
*vha
;
363 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
364 qlt_unreg_sess(sess
);
365 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
368 static u32
tcm_qla2xxx_sess_get_index(struct se_session
*se_sess
)
373 static int tcm_qla2xxx_write_pending(struct se_cmd
*se_cmd
)
375 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
376 struct qla_tgt_cmd
, se_cmd
);
377 cmd
->cmd_flags
|= BIT_3
;
378 cmd
->bufflen
= se_cmd
->data_length
;
379 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
381 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
382 cmd
->sg
= se_cmd
->t_data_sg
;
384 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
385 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
386 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
390 * qla_target.c:qlt_rdy_to_xfer() will call pci_map_sg() to setup
391 * the SGL mappings into PCIe memory for incoming FCP WRITE data.
393 return qlt_rdy_to_xfer(cmd
);
396 static int tcm_qla2xxx_write_pending_status(struct se_cmd
*se_cmd
)
400 * Check for WRITE_PENDING status to determine if we need to wait for
401 * CTIO aborts to be posted via hardware in tcm_qla2xxx_handle_data().
403 spin_lock_irqsave(&se_cmd
->t_state_lock
, flags
);
404 if (se_cmd
->t_state
== TRANSPORT_WRITE_PENDING
||
405 se_cmd
->t_state
== TRANSPORT_COMPLETE_QF_WP
) {
406 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
407 wait_for_completion_timeout(&se_cmd
->t_transport_stop_comp
,
411 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
416 static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl
*nacl
)
421 static int tcm_qla2xxx_get_cmd_state(struct se_cmd
*se_cmd
)
427 * Called from process context in qla_target.c:qlt_do_work() code
429 static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t
*vha
, struct qla_tgt_cmd
*cmd
,
430 unsigned char *cdb
, uint32_t data_length
, int fcp_task_attr
,
431 int data_dir
, int bidi
)
433 struct se_cmd
*se_cmd
= &cmd
->se_cmd
;
434 struct se_session
*se_sess
;
435 struct qla_tgt_sess
*sess
;
436 int flags
= TARGET_SCF_ACK_KREF
;
439 flags
|= TARGET_SCF_BIDI_OP
;
443 pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n");
447 se_sess
= sess
->se_sess
;
449 pr_err("Unable to locate active struct se_session\n");
453 return target_submit_cmd(se_cmd
, se_sess
, cdb
, &cmd
->sense_buffer
[0],
454 cmd
->unpacked_lun
, data_length
, fcp_task_attr
,
458 static void tcm_qla2xxx_handle_data_work(struct work_struct
*work
)
460 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
463 * Ensure that the complete FCP WRITE payload has been received.
464 * Otherwise return an exception via CHECK_CONDITION status.
467 cmd
->cmd_flags
|= BIT_11
;
468 if (!cmd
->write_data_transferred
) {
470 * Check if se_cmd has already been aborted via LUN_RESET, and
471 * waiting upon completion in tcm_qla2xxx_write_pending_status()
473 if (cmd
->se_cmd
.transport_state
& CMD_T_ABORTED
) {
474 complete(&cmd
->se_cmd
.t_transport_stop_comp
);
478 if (cmd
->se_cmd
.pi_err
)
479 transport_generic_request_failure(&cmd
->se_cmd
,
482 transport_generic_request_failure(&cmd
->se_cmd
,
483 TCM_CHECK_CONDITION_ABORT_CMD
);
488 return target_execute_cmd(&cmd
->se_cmd
);
492 * Called from qla_target.c:qlt_do_ctio_completion()
494 static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd
*cmd
)
496 cmd
->cmd_flags
|= BIT_10
;
498 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_data_work
);
499 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
502 static void tcm_qla2xxx_handle_dif_work(struct work_struct
*work
)
504 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
506 /* take an extra kref to prevent cmd free too early.
507 * need to wait for SCSI status/check condition to
508 * finish responding generate by transport_generic_request_failure.
510 kref_get(&cmd
->se_cmd
.cmd_kref
);
511 transport_generic_request_failure(&cmd
->se_cmd
, cmd
->se_cmd
.pi_err
);
515 * Called from qla_target.c:qlt_do_ctio_completion()
517 static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd
*cmd
)
519 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_dif_work
);
520 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
524 * Called from qla_target.c:qlt_issue_task_mgmt()
526 static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd
*mcmd
, uint32_t lun
,
527 uint8_t tmr_func
, uint32_t tag
)
529 struct qla_tgt_sess
*sess
= mcmd
->sess
;
530 struct se_cmd
*se_cmd
= &mcmd
->se_cmd
;
532 return target_submit_tmr(se_cmd
, sess
->se_sess
, NULL
, lun
, mcmd
,
533 tmr_func
, GFP_ATOMIC
, tag
, TARGET_SCF_ACK_KREF
);
536 static int tcm_qla2xxx_queue_data_in(struct se_cmd
*se_cmd
)
538 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
539 struct qla_tgt_cmd
, se_cmd
);
541 cmd
->cmd_flags
|= BIT_4
;
542 cmd
->bufflen
= se_cmd
->data_length
;
543 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
545 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
546 cmd
->sg
= se_cmd
->t_data_sg
;
549 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
550 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
551 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
555 * Now queue completed DATA_IN the qla2xxx LLD and response ring
557 return qlt_xmit_response(cmd
, QLA_TGT_XMIT_DATA
|QLA_TGT_XMIT_STATUS
,
558 se_cmd
->scsi_status
);
561 static int tcm_qla2xxx_queue_status(struct se_cmd
*se_cmd
)
563 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
564 struct qla_tgt_cmd
, se_cmd
);
565 int xmit_type
= QLA_TGT_XMIT_STATUS
;
567 cmd
->bufflen
= se_cmd
->data_length
;
571 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
572 if (cmd
->cmd_flags
& BIT_5
) {
573 pr_crit("Bit_5 already set for cmd = %p.\n", cmd
);
576 cmd
->cmd_flags
|= BIT_5
;
578 if (se_cmd
->data_direction
== DMA_FROM_DEVICE
) {
580 * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen
581 * for qla_tgt_xmit_response LLD code
583 if (se_cmd
->se_cmd_flags
& SCF_OVERFLOW_BIT
) {
584 se_cmd
->se_cmd_flags
&= ~SCF_OVERFLOW_BIT
;
585 se_cmd
->residual_count
= 0;
587 se_cmd
->se_cmd_flags
|= SCF_UNDERFLOW_BIT
;
588 se_cmd
->residual_count
+= se_cmd
->data_length
;
593 * Now queue status response to qla2xxx LLD code and response ring
595 return qlt_xmit_response(cmd
, xmit_type
, se_cmd
->scsi_status
);
598 static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd
*se_cmd
)
600 struct se_tmr_req
*se_tmr
= se_cmd
->se_tmr_req
;
601 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
602 struct qla_tgt_mgmt_cmd
, se_cmd
);
604 pr_debug("queue_tm_rsp: mcmd: %p func: 0x%02x response: 0x%02x\n",
605 mcmd
, se_tmr
->function
, se_tmr
->response
);
607 * Do translation between TCM TM response codes and
608 * QLA2xxx FC TM response codes.
610 switch (se_tmr
->response
) {
611 case TMR_FUNCTION_COMPLETE
:
612 mcmd
->fc_tm_rsp
= FC_TM_SUCCESS
;
614 case TMR_TASK_DOES_NOT_EXIST
:
615 mcmd
->fc_tm_rsp
= FC_TM_BAD_CMD
;
617 case TMR_FUNCTION_REJECTED
:
618 mcmd
->fc_tm_rsp
= FC_TM_REJECT
;
620 case TMR_LUN_DOES_NOT_EXIST
:
622 mcmd
->fc_tm_rsp
= FC_TM_FAILED
;
626 * Queue the TM response to QLA2xxx LLD to build a
627 * CTIO response packet.
629 qlt_xmit_tm_rsp(mcmd
);
632 static void tcm_qla2xxx_aborted_task(struct se_cmd
*se_cmd
)
634 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
635 struct qla_tgt_cmd
, se_cmd
);
639 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*,
640 struct tcm_qla2xxx_nacl
*, struct qla_tgt_sess
*);
642 * Expected to be called with struct qla_hw_data->hardware_lock held
644 static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess
*sess
)
646 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
647 struct se_portal_group
*se_tpg
= se_nacl
->se_tpg
;
648 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
649 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
650 struct tcm_qla2xxx_lport
, lport_wwn
);
651 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
652 struct tcm_qla2xxx_nacl
, se_node_acl
);
655 pr_debug("fc_rport domain: port_id 0x%06x\n", nacl
->nport_id
);
657 node
= btree_remove32(&lport
->lport_fcport_map
, nacl
->nport_id
);
658 if (WARN_ON(node
&& (node
!= se_nacl
))) {
660 * The nacl no longer matches what we think it should be.
661 * Most likely a new dynamic acl has been added while
662 * someone dropped the hardware lock. It clearly is a
663 * bug elsewhere, but this bit can't make things worse.
665 btree_insert32(&lport
->lport_fcport_map
, nacl
->nport_id
,
669 pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
670 se_nacl
, nacl
->nport_wwnn
, nacl
->nport_id
);
672 * Now clear the se_nacl and session pointers from our HW lport lookup
673 * table mapping for this initiator's fabric S_ID and LOOP_ID entries.
675 * This is done ahead of callbacks into tcm_qla2xxx_free_session() ->
676 * target_wait_for_sess_cmds() before the session waits for outstanding
677 * I/O to complete, to avoid a race between session shutdown execution
678 * and incoming ATIOs or TMRs picking up a stale se_node_act reference.
680 tcm_qla2xxx_clear_sess_lookup(lport
, nacl
, sess
);
683 static void tcm_qla2xxx_release_session(struct kref
*kref
)
685 struct se_session
*se_sess
= container_of(kref
,
686 struct se_session
, sess_kref
);
688 qlt_unreg_sess(se_sess
->fabric_sess_ptr
);
691 static void tcm_qla2xxx_put_sess(struct qla_tgt_sess
*sess
)
696 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
697 kref_put(&sess
->se_sess
->sess_kref
, tcm_qla2xxx_release_session
);
700 static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess
*sess
)
702 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
703 target_sess_cmd_list_set_waiting(sess
->se_sess
);
706 static int tcm_qla2xxx_init_nodeacl(struct se_node_acl
*se_nacl
,
709 struct tcm_qla2xxx_nacl
*nacl
=
710 container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
713 if (tcm_qla2xxx_parse_wwn(name
, &wwnn
, 1) < 0)
716 nacl
->nport_wwnn
= wwnn
;
717 tcm_qla2xxx_format_wwn(&nacl
->nport_name
[0], TCM_QLA2XXX_NAMELEN
, wwnn
);
722 /* Start items for tcm_qla2xxx_tpg_attrib_cit */
724 #define DEF_QLA_TPG_ATTRIB(name) \
726 static ssize_t tcm_qla2xxx_tpg_attrib_show_##name( \
727 struct se_portal_group *se_tpg, \
730 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
731 struct tcm_qla2xxx_tpg, se_tpg); \
733 return sprintf(page, "%u\n", tpg->tpg_attrib.name); \
736 static ssize_t tcm_qla2xxx_tpg_attrib_store_##name( \
737 struct se_portal_group *se_tpg, \
741 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
742 struct tcm_qla2xxx_tpg, se_tpg); \
746 ret = kstrtoul(page, 0, &val); \
748 pr_err("kstrtoul() failed with" \
749 " ret: %d\n", ret); \
752 ret = tcm_qla2xxx_set_attrib_##name(tpg, val); \
754 return (!ret) ? count : -EINVAL; \
757 #define DEF_QLA_TPG_ATTR_BOOL(_name) \
759 static int tcm_qla2xxx_set_attrib_##_name( \
760 struct tcm_qla2xxx_tpg *tpg, \
763 struct tcm_qla2xxx_tpg_attrib *a = &tpg->tpg_attrib; \
765 if ((val != 0) && (val != 1)) { \
766 pr_err("Illegal boolean value %lu\n", val); \
774 #define QLA_TPG_ATTR(_name, _mode) \
775 TF_TPG_ATTRIB_ATTR(tcm_qla2xxx, _name, _mode);
778 * Define tcm_qla2xxx_tpg_attrib_s_generate_node_acls
780 DEF_QLA_TPG_ATTR_BOOL(generate_node_acls
);
781 DEF_QLA_TPG_ATTRIB(generate_node_acls
);
782 QLA_TPG_ATTR(generate_node_acls
, S_IRUGO
| S_IWUSR
);
785 Define tcm_qla2xxx_attrib_s_cache_dynamic_acls
787 DEF_QLA_TPG_ATTR_BOOL(cache_dynamic_acls
);
788 DEF_QLA_TPG_ATTRIB(cache_dynamic_acls
);
789 QLA_TPG_ATTR(cache_dynamic_acls
, S_IRUGO
| S_IWUSR
);
792 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_write_protect
794 DEF_QLA_TPG_ATTR_BOOL(demo_mode_write_protect
);
795 DEF_QLA_TPG_ATTRIB(demo_mode_write_protect
);
796 QLA_TPG_ATTR(demo_mode_write_protect
, S_IRUGO
| S_IWUSR
);
799 * Define tcm_qla2xxx_tpg_attrib_s_prod_mode_write_protect
801 DEF_QLA_TPG_ATTR_BOOL(prod_mode_write_protect
);
802 DEF_QLA_TPG_ATTRIB(prod_mode_write_protect
);
803 QLA_TPG_ATTR(prod_mode_write_protect
, S_IRUGO
| S_IWUSR
);
806 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_login_only
808 DEF_QLA_TPG_ATTR_BOOL(demo_mode_login_only
);
809 DEF_QLA_TPG_ATTRIB(demo_mode_login_only
);
810 QLA_TPG_ATTR(demo_mode_login_only
, S_IRUGO
| S_IWUSR
);
812 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrib_attrs
[] = {
813 &tcm_qla2xxx_tpg_attrib_generate_node_acls
.attr
,
814 &tcm_qla2xxx_tpg_attrib_cache_dynamic_acls
.attr
,
815 &tcm_qla2xxx_tpg_attrib_demo_mode_write_protect
.attr
,
816 &tcm_qla2xxx_tpg_attrib_prod_mode_write_protect
.attr
,
817 &tcm_qla2xxx_tpg_attrib_demo_mode_login_only
.attr
,
821 /* End items for tcm_qla2xxx_tpg_attrib_cit */
823 static ssize_t
tcm_qla2xxx_tpg_show_enable(
824 struct se_portal_group
*se_tpg
,
827 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
828 struct tcm_qla2xxx_tpg
, se_tpg
);
830 return snprintf(page
, PAGE_SIZE
, "%d\n",
831 atomic_read(&tpg
->lport_tpg_enabled
));
834 static void tcm_qla2xxx_depend_tpg(struct work_struct
*work
)
836 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
837 struct tcm_qla2xxx_tpg
, tpg_base_work
);
838 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
839 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
841 if (!target_depend_item(&se_tpg
->tpg_group
.cg_item
)) {
842 atomic_set(&base_tpg
->lport_tpg_enabled
, 1);
843 qlt_enable_vha(base_vha
);
845 complete(&base_tpg
->tpg_base_comp
);
848 static void tcm_qla2xxx_undepend_tpg(struct work_struct
*work
)
850 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
851 struct tcm_qla2xxx_tpg
, tpg_base_work
);
852 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
853 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
855 if (!qlt_stop_phase1(base_vha
->vha_tgt
.qla_tgt
)) {
856 atomic_set(&base_tpg
->lport_tpg_enabled
, 0);
857 target_undepend_item(&se_tpg
->tpg_group
.cg_item
);
859 complete(&base_tpg
->tpg_base_comp
);
862 static ssize_t
tcm_qla2xxx_tpg_store_enable(
863 struct se_portal_group
*se_tpg
,
867 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
868 struct tcm_qla2xxx_tpg
, se_tpg
);
872 rc
= kstrtoul(page
, 0, &op
);
874 pr_err("kstrtoul() returned %d\n", rc
);
877 if ((op
!= 1) && (op
!= 0)) {
878 pr_err("Illegal value for tpg_enable: %lu\n", op
);
882 if (atomic_read(&tpg
->lport_tpg_enabled
))
885 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_depend_tpg
);
887 if (!atomic_read(&tpg
->lport_tpg_enabled
))
890 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_undepend_tpg
);
892 init_completion(&tpg
->tpg_base_comp
);
893 schedule_work(&tpg
->tpg_base_work
);
894 wait_for_completion(&tpg
->tpg_base_comp
);
897 if (!atomic_read(&tpg
->lport_tpg_enabled
))
900 if (atomic_read(&tpg
->lport_tpg_enabled
))
906 TF_TPG_BASE_ATTR(tcm_qla2xxx
, enable
, S_IRUGO
| S_IWUSR
);
908 static ssize_t
tcm_qla2xxx_tpg_show_dynamic_sessions(
909 struct se_portal_group
*se_tpg
,
912 return target_show_dynamic_sessions(se_tpg
, page
);
915 TF_TPG_BASE_ATTR_RO(tcm_qla2xxx
, dynamic_sessions
);
917 static ssize_t
tcm_qla2xxx_tpg_store_fabric_prot_type(
918 struct se_portal_group
*se_tpg
,
922 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
923 struct tcm_qla2xxx_tpg
, se_tpg
);
925 int ret
= kstrtoul(page
, 0, &val
);
928 pr_err("kstrtoul() returned %d for fabric_prot_type\n", ret
);
931 if (val
!= 0 && val
!= 1 && val
!= 3) {
932 pr_err("Invalid qla2xxx fabric_prot_type: %lu\n", val
);
935 tpg
->tpg_attrib
.fabric_prot_type
= val
;
940 static ssize_t
tcm_qla2xxx_tpg_show_fabric_prot_type(
941 struct se_portal_group
*se_tpg
,
944 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
945 struct tcm_qla2xxx_tpg
, se_tpg
);
947 return sprintf(page
, "%d\n", tpg
->tpg_attrib
.fabric_prot_type
);
949 TF_TPG_BASE_ATTR(tcm_qla2xxx
, fabric_prot_type
, S_IRUGO
| S_IWUSR
);
951 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrs
[] = {
952 &tcm_qla2xxx_tpg_enable
.attr
,
953 &tcm_qla2xxx_tpg_dynamic_sessions
.attr
,
954 &tcm_qla2xxx_tpg_fabric_prot_type
.attr
,
958 static struct se_portal_group
*tcm_qla2xxx_make_tpg(
960 struct config_group
*group
,
963 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
964 struct tcm_qla2xxx_lport
, lport_wwn
);
965 struct tcm_qla2xxx_tpg
*tpg
;
969 if (strstr(name
, "tpgt_") != name
)
970 return ERR_PTR(-EINVAL
);
971 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
972 return ERR_PTR(-EINVAL
);
975 pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
976 return ERR_PTR(-ENOSYS
);
979 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
981 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
982 return ERR_PTR(-ENOMEM
);
985 tpg
->lport_tpgt
= tpgt
;
987 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
990 tpg
->tpg_attrib
.generate_node_acls
= 1;
991 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
992 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
993 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
995 ret
= core_tpg_register(wwn
, &tpg
->se_tpg
, SCSI_PROTOCOL_FCP
);
1003 return &tpg
->se_tpg
;
1006 static void tcm_qla2xxx_drop_tpg(struct se_portal_group
*se_tpg
)
1008 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1009 struct tcm_qla2xxx_tpg
, se_tpg
);
1010 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
1011 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1013 * Call into qla2x_target.c LLD logic to shutdown the active
1014 * FC Nexuses and disable target mode operation for this qla_hw_data
1016 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stop
)
1017 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1019 core_tpg_deregister(se_tpg
);
1021 * Clear local TPG=1 pointer for non NPIV mode.
1023 lport
->tpg_1
= NULL
;
1027 static ssize_t
tcm_qla2xxx_npiv_tpg_show_enable(
1028 struct se_portal_group
*se_tpg
,
1031 return tcm_qla2xxx_tpg_show_enable(se_tpg
, page
);
1034 static ssize_t
tcm_qla2xxx_npiv_tpg_store_enable(
1035 struct se_portal_group
*se_tpg
,
1039 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
1040 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
1041 struct tcm_qla2xxx_lport
, lport_wwn
);
1042 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1043 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1044 struct tcm_qla2xxx_tpg
, se_tpg
);
1048 rc
= kstrtoul(page
, 0, &op
);
1050 pr_err("kstrtoul() returned %d\n", rc
);
1053 if ((op
!= 1) && (op
!= 0)) {
1054 pr_err("Illegal value for tpg_enable: %lu\n", op
);
1058 if (atomic_read(&tpg
->lport_tpg_enabled
))
1061 atomic_set(&tpg
->lport_tpg_enabled
, 1);
1062 qlt_enable_vha(vha
);
1064 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1067 atomic_set(&tpg
->lport_tpg_enabled
, 0);
1068 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1074 TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv
, enable
, S_IRUGO
| S_IWUSR
);
1076 static struct configfs_attribute
*tcm_qla2xxx_npiv_tpg_attrs
[] = {
1077 &tcm_qla2xxx_npiv_tpg_enable
.attr
,
1081 static struct se_portal_group
*tcm_qla2xxx_npiv_make_tpg(
1083 struct config_group
*group
,
1086 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1087 struct tcm_qla2xxx_lport
, lport_wwn
);
1088 struct tcm_qla2xxx_tpg
*tpg
;
1092 if (strstr(name
, "tpgt_") != name
)
1093 return ERR_PTR(-EINVAL
);
1094 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
1095 return ERR_PTR(-EINVAL
);
1097 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
1099 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
1100 return ERR_PTR(-ENOMEM
);
1103 tpg
->lport_tpgt
= tpgt
;
1106 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
1109 tpg
->tpg_attrib
.generate_node_acls
= 1;
1110 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1111 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1112 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1114 ret
= core_tpg_register(wwn
, &tpg
->se_tpg
, SCSI_PROTOCOL_FCP
);
1120 return &tpg
->se_tpg
;
1124 * Expected to be called with struct qla_hw_data->hardware_lock held
1126 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_s_id(
1127 scsi_qla_host_t
*vha
,
1128 const uint8_t *s_id
)
1130 struct tcm_qla2xxx_lport
*lport
;
1131 struct se_node_acl
*se_nacl
;
1132 struct tcm_qla2xxx_nacl
*nacl
;
1135 lport
= vha
->vha_tgt
.target_lport_ptr
;
1137 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1142 key
= sid_to_key(s_id
);
1143 pr_debug("find_sess_by_s_id: 0x%06x\n", key
);
1145 se_nacl
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1147 pr_debug("Unable to locate s_id: 0x%06x\n", key
);
1150 pr_debug("find_sess_by_s_id: located se_nacl: %p, initiatorname: %s\n",
1151 se_nacl
, se_nacl
->initiatorname
);
1153 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1154 if (!nacl
->qla_tgt_sess
) {
1155 pr_err("Unable to locate struct qla_tgt_sess\n");
1159 return nacl
->qla_tgt_sess
;
1163 * Expected to be called with struct qla_hw_data->hardware_lock held
1165 static void tcm_qla2xxx_set_sess_by_s_id(
1166 struct tcm_qla2xxx_lport
*lport
,
1167 struct se_node_acl
*new_se_nacl
,
1168 struct tcm_qla2xxx_nacl
*nacl
,
1169 struct se_session
*se_sess
,
1170 struct qla_tgt_sess
*qla_tgt_sess
,
1177 key
= sid_to_key(s_id
);
1178 pr_debug("set_sess_by_s_id: %06x\n", key
);
1180 slot
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1183 pr_debug("Setting up new fc_port entry to new_se_nacl\n");
1184 nacl
->nport_id
= key
;
1185 rc
= btree_insert32(&lport
->lport_fcport_map
, key
,
1186 new_se_nacl
, GFP_ATOMIC
);
1188 printk(KERN_ERR
"Unable to insert s_id into fcport_map: %06x\n",
1191 pr_debug("Wiping nonexisting fc_port entry\n");
1194 qla_tgt_sess
->se_sess
= se_sess
;
1195 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1199 if (nacl
->qla_tgt_sess
) {
1200 if (new_se_nacl
== NULL
) {
1201 pr_debug("Clearing existing nacl->qla_tgt_sess and fc_port entry\n");
1202 btree_remove32(&lport
->lport_fcport_map
, key
);
1203 nacl
->qla_tgt_sess
= NULL
;
1206 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_port entry\n");
1207 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1208 qla_tgt_sess
->se_sess
= se_sess
;
1209 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1213 if (new_se_nacl
== NULL
) {
1214 pr_debug("Clearing existing fc_port entry\n");
1215 btree_remove32(&lport
->lport_fcport_map
, key
);
1219 pr_debug("Replacing existing fc_port entry w/o active nacl->qla_tgt_sess\n");
1220 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1221 qla_tgt_sess
->se_sess
= se_sess
;
1222 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1224 pr_debug("Setup nacl->qla_tgt_sess %p by s_id for se_nacl: %p, initiatorname: %s\n",
1225 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1229 * Expected to be called with struct qla_hw_data->hardware_lock held
1231 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_loop_id(
1232 scsi_qla_host_t
*vha
,
1233 const uint16_t loop_id
)
1235 struct tcm_qla2xxx_lport
*lport
;
1236 struct se_node_acl
*se_nacl
;
1237 struct tcm_qla2xxx_nacl
*nacl
;
1238 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1240 lport
= vha
->vha_tgt
.target_lport_ptr
;
1242 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1247 pr_debug("find_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1249 fc_loopid
= lport
->lport_loopid_map
+ loop_id
;
1250 se_nacl
= fc_loopid
->se_nacl
;
1252 pr_debug("Unable to locate se_nacl by loop_id: 0x%04x\n",
1257 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1259 if (!nacl
->qla_tgt_sess
) {
1260 pr_err("Unable to locate struct qla_tgt_sess\n");
1264 return nacl
->qla_tgt_sess
;
1268 * Expected to be called with struct qla_hw_data->hardware_lock held
1270 static void tcm_qla2xxx_set_sess_by_loop_id(
1271 struct tcm_qla2xxx_lport
*lport
,
1272 struct se_node_acl
*new_se_nacl
,
1273 struct tcm_qla2xxx_nacl
*nacl
,
1274 struct se_session
*se_sess
,
1275 struct qla_tgt_sess
*qla_tgt_sess
,
1278 struct se_node_acl
*saved_nacl
;
1279 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1281 pr_debug("set_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1283 fc_loopid
= &((struct tcm_qla2xxx_fc_loopid
*)
1284 lport
->lport_loopid_map
)[loop_id
];
1286 saved_nacl
= fc_loopid
->se_nacl
;
1288 pr_debug("Setting up new fc_loopid->se_nacl to new_se_nacl\n");
1289 fc_loopid
->se_nacl
= new_se_nacl
;
1290 if (qla_tgt_sess
->se_sess
!= se_sess
)
1291 qla_tgt_sess
->se_sess
= se_sess
;
1292 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1293 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1297 if (nacl
->qla_tgt_sess
) {
1298 if (new_se_nacl
== NULL
) {
1299 pr_debug("Clearing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1300 fc_loopid
->se_nacl
= NULL
;
1301 nacl
->qla_tgt_sess
= NULL
;
1305 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1306 fc_loopid
->se_nacl
= new_se_nacl
;
1307 if (qla_tgt_sess
->se_sess
!= se_sess
)
1308 qla_tgt_sess
->se_sess
= se_sess
;
1309 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1310 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1314 if (new_se_nacl
== NULL
) {
1315 pr_debug("Clearing fc_loopid->se_nacl\n");
1316 fc_loopid
->se_nacl
= NULL
;
1320 pr_debug("Replacing existing fc_loopid->se_nacl w/o active nacl->qla_tgt_sess\n");
1321 fc_loopid
->se_nacl
= new_se_nacl
;
1322 if (qla_tgt_sess
->se_sess
!= se_sess
)
1323 qla_tgt_sess
->se_sess
= se_sess
;
1324 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1325 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1327 pr_debug("Setup nacl->qla_tgt_sess %p by loop_id for se_nacl: %p, initiatorname: %s\n",
1328 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1332 * Should always be called with qla_hw_data->hardware_lock held.
1334 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*lport
,
1335 struct tcm_qla2xxx_nacl
*nacl
, struct qla_tgt_sess
*sess
)
1337 struct se_session
*se_sess
= sess
->se_sess
;
1338 unsigned char be_sid
[3];
1340 be_sid
[0] = sess
->s_id
.b
.domain
;
1341 be_sid
[1] = sess
->s_id
.b
.area
;
1342 be_sid
[2] = sess
->s_id
.b
.al_pa
;
1344 tcm_qla2xxx_set_sess_by_s_id(lport
, NULL
, nacl
, se_sess
,
1346 tcm_qla2xxx_set_sess_by_loop_id(lport
, NULL
, nacl
, se_sess
,
1347 sess
, sess
->loop_id
);
1350 static void tcm_qla2xxx_free_session(struct qla_tgt_sess
*sess
)
1352 struct qla_tgt
*tgt
= sess
->tgt
;
1353 struct qla_hw_data
*ha
= tgt
->ha
;
1354 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1355 struct se_session
*se_sess
;
1356 struct se_node_acl
*se_nacl
;
1357 struct tcm_qla2xxx_lport
*lport
;
1358 struct tcm_qla2xxx_nacl
*nacl
;
1360 BUG_ON(in_interrupt());
1362 se_sess
= sess
->se_sess
;
1364 pr_err("struct qla_tgt_sess->se_sess is NULL\n");
1368 se_nacl
= se_sess
->se_node_acl
;
1369 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1371 lport
= vha
->vha_tgt
.target_lport_ptr
;
1373 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1377 target_wait_for_sess_cmds(se_sess
);
1379 transport_deregister_session_configfs(sess
->se_sess
);
1380 transport_deregister_session(sess
->se_sess
);
1384 * Called via qlt_create_sess():ha->qla2x_tmpl->check_initiator_node_acl()
1385 * to locate struct se_node_acl
1387 static int tcm_qla2xxx_check_initiator_node_acl(
1388 scsi_qla_host_t
*vha
,
1389 unsigned char *fc_wwpn
,
1394 struct qla_hw_data
*ha
= vha
->hw
;
1395 struct tcm_qla2xxx_lport
*lport
;
1396 struct tcm_qla2xxx_tpg
*tpg
;
1397 struct tcm_qla2xxx_nacl
*nacl
;
1398 struct se_portal_group
*se_tpg
;
1399 struct se_node_acl
*se_nacl
;
1400 struct se_session
*se_sess
;
1401 struct qla_tgt_sess
*sess
= qla_tgt_sess
;
1402 unsigned char port_name
[36];
1403 unsigned long flags
;
1404 int num_tags
= (ha
->fw_xcb_count
) ? ha
->fw_xcb_count
:
1405 TCM_QLA2XXX_DEFAULT_TAGS
;
1407 lport
= vha
->vha_tgt
.target_lport_ptr
;
1409 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1414 * Locate the TPG=1 reference..
1418 pr_err("Unable to lcoate struct tcm_qla2xxx_lport->tpg_1\n");
1421 se_tpg
= &tpg
->se_tpg
;
1423 se_sess
= transport_init_session_tags(num_tags
,
1424 sizeof(struct qla_tgt_cmd
),
1426 if (IS_ERR(se_sess
)) {
1427 pr_err("Unable to initialize struct se_session\n");
1428 return PTR_ERR(se_sess
);
1431 * Format the FCP Initiator port_name into colon seperated values to
1432 * match the format by tcm_qla2xxx explict ConfigFS NodeACLs.
1434 memset(&port_name
, 0, 36);
1435 snprintf(port_name
, sizeof(port_name
), "%8phC", fc_wwpn
);
1437 * Locate our struct se_node_acl either from an explict NodeACL created
1438 * via ConfigFS, or via running in TPG demo mode.
1440 se_sess
->se_node_acl
= core_tpg_check_initiator_node_acl(se_tpg
,
1442 if (!se_sess
->se_node_acl
) {
1443 transport_free_session(se_sess
);
1446 se_nacl
= se_sess
->se_node_acl
;
1447 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1449 * And now setup the new se_nacl and session pointers into our HW lport
1450 * mappings for fabric S_ID and LOOP_ID.
1452 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1453 tcm_qla2xxx_set_sess_by_s_id(lport
, se_nacl
, nacl
, se_sess
,
1454 qla_tgt_sess
, s_id
);
1455 tcm_qla2xxx_set_sess_by_loop_id(lport
, se_nacl
, nacl
, se_sess
,
1456 qla_tgt_sess
, loop_id
);
1457 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1459 * Finally register the new FC Nexus with TCM
1461 transport_register_session(se_nacl
->se_tpg
, se_nacl
, se_sess
, sess
);
1466 static void tcm_qla2xxx_update_sess(struct qla_tgt_sess
*sess
, port_id_t s_id
,
1467 uint16_t loop_id
, bool conf_compl_supported
)
1469 struct qla_tgt
*tgt
= sess
->tgt
;
1470 struct qla_hw_data
*ha
= tgt
->ha
;
1471 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1472 struct tcm_qla2xxx_lport
*lport
= vha
->vha_tgt
.target_lport_ptr
;
1473 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
1474 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
1475 struct tcm_qla2xxx_nacl
, se_node_acl
);
1479 if (sess
->loop_id
!= loop_id
|| sess
->s_id
.b24
!= s_id
.b24
)
1480 pr_info("Updating session %p from port %8phC loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n",
1481 sess
, sess
->port_name
,
1482 sess
->loop_id
, loop_id
, sess
->s_id
.b
.domain
,
1483 sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
, s_id
.b
.domain
,
1484 s_id
.b
.area
, s_id
.b
.al_pa
);
1486 if (sess
->loop_id
!= loop_id
) {
1488 * Because we can shuffle loop IDs around and we
1489 * update different sessions non-atomically, we might
1490 * have overwritten this session's old loop ID
1491 * already, and we might end up overwriting some other
1492 * session that will be updated later. So we have to
1493 * be extra careful and we can't warn about those things...
1495 if (lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
== se_nacl
)
1496 lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
= NULL
;
1498 lport
->lport_loopid_map
[loop_id
].se_nacl
= se_nacl
;
1500 sess
->loop_id
= loop_id
;
1503 if (sess
->s_id
.b24
!= s_id
.b24
) {
1504 key
= (((u32
) sess
->s_id
.b
.domain
<< 16) |
1505 ((u32
) sess
->s_id
.b
.area
<< 8) |
1506 ((u32
) sess
->s_id
.b
.al_pa
));
1508 if (btree_lookup32(&lport
->lport_fcport_map
, key
))
1509 WARN(btree_remove32(&lport
->lport_fcport_map
, key
) != se_nacl
,
1510 "Found wrong se_nacl when updating s_id %x:%x:%x\n",
1511 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1513 WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n",
1514 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1516 key
= (((u32
) s_id
.b
.domain
<< 16) |
1517 ((u32
) s_id
.b
.area
<< 8) |
1518 ((u32
) s_id
.b
.al_pa
));
1520 if (btree_lookup32(&lport
->lport_fcport_map
, key
)) {
1521 WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n",
1522 s_id
.b
.domain
, s_id
.b
.area
, s_id
.b
.al_pa
);
1523 btree_update32(&lport
->lport_fcport_map
, key
, se_nacl
);
1525 btree_insert32(&lport
->lport_fcport_map
, key
, se_nacl
, GFP_ATOMIC
);
1529 nacl
->nport_id
= key
;
1532 sess
->conf_compl_supported
= conf_compl_supported
;
1534 /* Reset logout parameters to default */
1535 sess
->logout_on_delete
= 1;
1536 sess
->keep_nport_handle
= 0;
1540 * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
1542 static struct qla_tgt_func_tmpl tcm_qla2xxx_template
= {
1543 .handle_cmd
= tcm_qla2xxx_handle_cmd
,
1544 .handle_data
= tcm_qla2xxx_handle_data
,
1545 .handle_dif_err
= tcm_qla2xxx_handle_dif_err
,
1546 .handle_tmr
= tcm_qla2xxx_handle_tmr
,
1547 .free_cmd
= tcm_qla2xxx_free_cmd
,
1548 .free_mcmd
= tcm_qla2xxx_free_mcmd
,
1549 .free_session
= tcm_qla2xxx_free_session
,
1550 .update_sess
= tcm_qla2xxx_update_sess
,
1551 .check_initiator_node_acl
= tcm_qla2xxx_check_initiator_node_acl
,
1552 .find_sess_by_s_id
= tcm_qla2xxx_find_sess_by_s_id
,
1553 .find_sess_by_loop_id
= tcm_qla2xxx_find_sess_by_loop_id
,
1554 .clear_nacl_from_fcport_map
= tcm_qla2xxx_clear_nacl_from_fcport_map
,
1555 .put_sess
= tcm_qla2xxx_put_sess
,
1556 .shutdown_sess
= tcm_qla2xxx_shutdown_sess
,
1559 static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport
*lport
)
1563 rc
= btree_init32(&lport
->lport_fcport_map
);
1565 pr_err("Unable to initialize lport->lport_fcport_map btree\n");
1569 lport
->lport_loopid_map
= vmalloc(sizeof(struct tcm_qla2xxx_fc_loopid
) *
1571 if (!lport
->lport_loopid_map
) {
1572 pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
1573 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1574 btree_destroy32(&lport
->lport_fcport_map
);
1577 memset(lport
->lport_loopid_map
, 0, sizeof(struct tcm_qla2xxx_fc_loopid
)
1579 pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
1580 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1584 static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host
*vha
,
1585 void *target_lport_ptr
,
1586 u64 npiv_wwpn
, u64 npiv_wwnn
)
1588 struct qla_hw_data
*ha
= vha
->hw
;
1589 struct tcm_qla2xxx_lport
*lport
=
1590 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1592 * Setup tgt_ops, local pointer to vha and target_lport_ptr
1594 ha
->tgt
.tgt_ops
= &tcm_qla2xxx_template
;
1595 vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1596 lport
->qla_vha
= vha
;
1601 static struct se_wwn
*tcm_qla2xxx_make_lport(
1602 struct target_fabric_configfs
*tf
,
1603 struct config_group
*group
,
1606 struct tcm_qla2xxx_lport
*lport
;
1610 if (tcm_qla2xxx_parse_wwn(name
, &wwpn
, 1) < 0)
1611 return ERR_PTR(-EINVAL
);
1613 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1615 pr_err("Unable to allocate struct tcm_qla2xxx_lport\n");
1616 return ERR_PTR(-ENOMEM
);
1618 lport
->lport_wwpn
= wwpn
;
1619 tcm_qla2xxx_format_wwn(&lport
->lport_name
[0], TCM_QLA2XXX_NAMELEN
,
1621 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) wwpn
);
1623 ret
= tcm_qla2xxx_init_lport(lport
);
1627 ret
= qlt_lport_register(lport
, wwpn
, 0, 0,
1628 tcm_qla2xxx_lport_register_cb
);
1632 return &lport
->lport_wwn
;
1634 vfree(lport
->lport_loopid_map
);
1635 btree_destroy32(&lport
->lport_fcport_map
);
1638 return ERR_PTR(ret
);
1641 static void tcm_qla2xxx_drop_lport(struct se_wwn
*wwn
)
1643 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1644 struct tcm_qla2xxx_lport
, lport_wwn
);
1645 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1646 struct se_node_acl
*node
;
1650 * Call into qla2x_target.c LLD logic to complete the
1651 * shutdown of struct qla_tgt after the call to
1652 * qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
1654 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stopped
)
1655 qlt_stop_phase2(vha
->vha_tgt
.qla_tgt
);
1657 qlt_lport_deregister(vha
);
1659 vfree(lport
->lport_loopid_map
);
1660 btree_for_each_safe32(&lport
->lport_fcport_map
, key
, node
)
1661 btree_remove32(&lport
->lport_fcport_map
, key
);
1662 btree_destroy32(&lport
->lport_fcport_map
);
1666 static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host
*base_vha
,
1667 void *target_lport_ptr
,
1668 u64 npiv_wwpn
, u64 npiv_wwnn
)
1670 struct fc_vport
*vport
;
1671 struct Scsi_Host
*sh
= base_vha
->host
;
1672 struct scsi_qla_host
*npiv_vha
;
1673 struct tcm_qla2xxx_lport
*lport
=
1674 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1675 struct tcm_qla2xxx_lport
*base_lport
=
1676 (struct tcm_qla2xxx_lport
*)base_vha
->vha_tgt
.target_lport_ptr
;
1677 struct tcm_qla2xxx_tpg
*base_tpg
;
1678 struct fc_vport_identifiers vport_id
;
1680 if (!qla_tgt_mode_enabled(base_vha
)) {
1681 pr_err("qla2xxx base_vha not enabled for target mode\n");
1685 if (!base_lport
|| !base_lport
->tpg_1
||
1686 !atomic_read(&base_lport
->tpg_1
->lport_tpg_enabled
)) {
1687 pr_err("qla2xxx base_lport or tpg_1 not available\n");
1690 base_tpg
= base_lport
->tpg_1
;
1692 memset(&vport_id
, 0, sizeof(vport_id
));
1693 vport_id
.port_name
= npiv_wwpn
;
1694 vport_id
.node_name
= npiv_wwnn
;
1695 vport_id
.roles
= FC_PORT_ROLE_FCP_INITIATOR
;
1696 vport_id
.vport_type
= FC_PORTTYPE_NPIV
;
1697 vport_id
.disable
= false;
1699 vport
= fc_vport_create(sh
, 0, &vport_id
);
1701 pr_err("fc_vport_create failed for qla2xxx_npiv\n");
1705 * Setup local pointer to NPIV vhba + target_lport_ptr
1707 npiv_vha
= (struct scsi_qla_host
*)vport
->dd_data
;
1708 npiv_vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1709 lport
->qla_vha
= npiv_vha
;
1710 scsi_host_get(npiv_vha
->host
);
1715 static struct se_wwn
*tcm_qla2xxx_npiv_make_lport(
1716 struct target_fabric_configfs
*tf
,
1717 struct config_group
*group
,
1720 struct tcm_qla2xxx_lport
*lport
;
1721 u64 phys_wwpn
, npiv_wwpn
, npiv_wwnn
;
1725 snprintf(tmp
, 128, "%s", name
);
1727 p
= strchr(tmp
, '@');
1729 pr_err("Unable to locate NPIV '@' seperator\n");
1730 return ERR_PTR(-EINVAL
);
1734 if (tcm_qla2xxx_parse_wwn(tmp
, &phys_wwpn
, 1) < 0)
1735 return ERR_PTR(-EINVAL
);
1737 if (tcm_qla2xxx_npiv_parse_wwn(p
, strlen(p
)+1,
1738 &npiv_wwpn
, &npiv_wwnn
) < 0)
1739 return ERR_PTR(-EINVAL
);
1741 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1743 pr_err("Unable to allocate struct tcm_qla2xxx_lport for NPIV\n");
1744 return ERR_PTR(-ENOMEM
);
1746 lport
->lport_npiv_wwpn
= npiv_wwpn
;
1747 lport
->lport_npiv_wwnn
= npiv_wwnn
;
1748 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) npiv_wwpn
);
1750 ret
= tcm_qla2xxx_init_lport(lport
);
1754 ret
= qlt_lport_register(lport
, phys_wwpn
, npiv_wwpn
, npiv_wwnn
,
1755 tcm_qla2xxx_lport_register_npiv_cb
);
1759 return &lport
->lport_wwn
;
1761 vfree(lport
->lport_loopid_map
);
1762 btree_destroy32(&lport
->lport_fcport_map
);
1765 return ERR_PTR(ret
);
1768 static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn
*wwn
)
1770 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1771 struct tcm_qla2xxx_lport
, lport_wwn
);
1772 struct scsi_qla_host
*npiv_vha
= lport
->qla_vha
;
1773 struct qla_hw_data
*ha
= npiv_vha
->hw
;
1774 scsi_qla_host_t
*base_vha
= pci_get_drvdata(ha
->pdev
);
1776 scsi_host_put(npiv_vha
->host
);
1778 * Notify libfc that we want to release the vha->fc_vport
1780 fc_vport_terminate(npiv_vha
->fc_vport
);
1781 scsi_host_put(base_vha
->host
);
1786 static ssize_t
tcm_qla2xxx_wwn_show_attr_version(
1787 struct target_fabric_configfs
*tf
,
1790 return sprintf(page
,
1791 "TCM QLOGIC QLA2XXX NPIV capable fabric module %s on %s/%s on "
1792 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
1793 utsname()->machine
);
1796 TF_WWN_ATTR_RO(tcm_qla2xxx
, version
);
1798 static struct configfs_attribute
*tcm_qla2xxx_wwn_attrs
[] = {
1799 &tcm_qla2xxx_wwn_version
.attr
,
1803 static const struct target_core_fabric_ops tcm_qla2xxx_ops
= {
1804 .module
= THIS_MODULE
,
1806 .node_acl_size
= sizeof(struct tcm_qla2xxx_nacl
),
1807 .get_fabric_name
= tcm_qla2xxx_get_fabric_name
,
1808 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1809 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1810 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1811 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1812 .tpg_check_demo_mode_write_protect
=
1813 tcm_qla2xxx_check_demo_write_protect
,
1814 .tpg_check_prod_mode_write_protect
=
1815 tcm_qla2xxx_check_prod_write_protect
,
1816 .tpg_check_prot_fabric_only
= tcm_qla2xxx_check_prot_fabric_only
,
1817 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1818 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1819 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1820 .release_cmd
= tcm_qla2xxx_release_cmd
,
1821 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1822 .close_session
= tcm_qla2xxx_close_session
,
1823 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1824 .sess_get_initiator_sid
= NULL
,
1825 .write_pending
= tcm_qla2xxx_write_pending
,
1826 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1827 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1828 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1829 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1830 .queue_status
= tcm_qla2xxx_queue_status
,
1831 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1832 .aborted_task
= tcm_qla2xxx_aborted_task
,
1834 * Setup function pointers for generic logic in
1835 * target_core_fabric_configfs.c
1837 .fabric_make_wwn
= tcm_qla2xxx_make_lport
,
1838 .fabric_drop_wwn
= tcm_qla2xxx_drop_lport
,
1839 .fabric_make_tpg
= tcm_qla2xxx_make_tpg
,
1840 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
1841 .fabric_init_nodeacl
= tcm_qla2xxx_init_nodeacl
,
1843 .tfc_wwn_attrs
= tcm_qla2xxx_wwn_attrs
,
1844 .tfc_tpg_base_attrs
= tcm_qla2xxx_tpg_attrs
,
1845 .tfc_tpg_attrib_attrs
= tcm_qla2xxx_tpg_attrib_attrs
,
1848 static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops
= {
1849 .module
= THIS_MODULE
,
1850 .name
= "qla2xxx_npiv",
1851 .node_acl_size
= sizeof(struct tcm_qla2xxx_nacl
),
1852 .get_fabric_name
= tcm_qla2xxx_npiv_get_fabric_name
,
1853 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1854 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1855 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1856 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1857 .tpg_check_demo_mode_write_protect
= tcm_qla2xxx_check_demo_mode
,
1858 .tpg_check_prod_mode_write_protect
=
1859 tcm_qla2xxx_check_prod_write_protect
,
1860 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1861 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1862 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1863 .release_cmd
= tcm_qla2xxx_release_cmd
,
1864 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1865 .close_session
= tcm_qla2xxx_close_session
,
1866 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1867 .sess_get_initiator_sid
= NULL
,
1868 .write_pending
= tcm_qla2xxx_write_pending
,
1869 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1870 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1871 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1872 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1873 .queue_status
= tcm_qla2xxx_queue_status
,
1874 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1875 .aborted_task
= tcm_qla2xxx_aborted_task
,
1877 * Setup function pointers for generic logic in
1878 * target_core_fabric_configfs.c
1880 .fabric_make_wwn
= tcm_qla2xxx_npiv_make_lport
,
1881 .fabric_drop_wwn
= tcm_qla2xxx_npiv_drop_lport
,
1882 .fabric_make_tpg
= tcm_qla2xxx_npiv_make_tpg
,
1883 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
1884 .fabric_init_nodeacl
= tcm_qla2xxx_init_nodeacl
,
1886 .tfc_wwn_attrs
= tcm_qla2xxx_wwn_attrs
,
1887 .tfc_tpg_base_attrs
= tcm_qla2xxx_npiv_tpg_attrs
,
1890 static int tcm_qla2xxx_register_configfs(void)
1894 pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on "
1895 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
1896 utsname()->machine
);
1898 ret
= target_register_template(&tcm_qla2xxx_ops
);
1902 ret
= target_register_template(&tcm_qla2xxx_npiv_ops
);
1906 tcm_qla2xxx_free_wq
= alloc_workqueue("tcm_qla2xxx_free",
1908 if (!tcm_qla2xxx_free_wq
) {
1910 goto out_fabric_npiv
;
1913 tcm_qla2xxx_cmd_wq
= alloc_workqueue("tcm_qla2xxx_cmd", 0, 0);
1914 if (!tcm_qla2xxx_cmd_wq
) {
1922 destroy_workqueue(tcm_qla2xxx_free_wq
);
1924 target_unregister_template(&tcm_qla2xxx_npiv_ops
);
1926 target_unregister_template(&tcm_qla2xxx_ops
);
1930 static void tcm_qla2xxx_deregister_configfs(void)
1932 destroy_workqueue(tcm_qla2xxx_cmd_wq
);
1933 destroy_workqueue(tcm_qla2xxx_free_wq
);
1935 target_unregister_template(&tcm_qla2xxx_ops
);
1936 target_unregister_template(&tcm_qla2xxx_npiv_ops
);
1939 static int __init
tcm_qla2xxx_init(void)
1943 ret
= tcm_qla2xxx_register_configfs();
1950 static void __exit
tcm_qla2xxx_exit(void)
1952 tcm_qla2xxx_deregister_configfs();
1955 MODULE_DESCRIPTION("TCM QLA2XXX series NPIV enabled fabric driver");
1956 MODULE_LICENSE("GPL");
1957 module_init(tcm_qla2xxx_init
);
1958 module_exit(tcm_qla2xxx_exit
);