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/configfs_macros.h>
49 #include "qla_target.h"
50 #include "tcm_qla2xxx.h"
52 static struct workqueue_struct
*tcm_qla2xxx_free_wq
;
53 static struct workqueue_struct
*tcm_qla2xxx_cmd_wq
;
57 * If strict, we require lower-case hex and colon separators to be sure
58 * the name is the same as what would be generated by ft_format_wwn()
59 * so the name and wwn are mapped one-to-one.
61 static ssize_t
tcm_qla2xxx_parse_wwn(const char *name
, u64
*wwn
, int strict
)
71 for (cp
= name
; cp
< &name
[TCM_QLA2XXX_NAMELEN
- 1]; cp
++) {
73 if (c
== '\n' && cp
[1] == '\0')
75 if (strict
&& pos
++ == 2 && byte
++ < 7) {
84 if (strict
&& byte
!= 8)
91 else if (isxdigit(c
) && (islower(c
) || !strict
))
92 nibble
= tolower(c
) - 'a' + 10;
95 *wwn
= (*wwn
<< 4) | nibble
;
99 pr_debug("err %u len %zu pos %u byte %u\n",
100 err
, cp
- name
, pos
, byte
);
104 static ssize_t
tcm_qla2xxx_format_wwn(char *buf
, size_t len
, u64 wwn
)
108 put_unaligned_be64(wwn
, b
);
109 return snprintf(buf
, len
,
110 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
111 b
[0], b
[1], b
[2], b
[3], b
[4], b
[5], b
[6], b
[7]);
114 static char *tcm_qla2xxx_get_fabric_name(void)
120 * From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn
122 static int tcm_qla2xxx_npiv_extract_wwn(const char *ns
, u64
*nm
)
127 memset(wwn
, 0, sizeof(wwn
));
129 /* Validate and store the new name */
130 for (i
= 0, j
= 0; i
< 16; i
++) {
133 value
= hex_to_bin(*ns
++);
135 j
= (j
<< 4) | value
;
145 *nm
= wwn_to_u64(wwn
);
150 * This parsing logic follows drivers/scsi/scsi_transport_fc.c:
151 * store_fc_host_vport_create()
153 static int tcm_qla2xxx_npiv_parse_wwn(
159 unsigned int cnt
= count
;
165 /* count may include a LF at end of string */
166 if (name
[cnt
-1] == '\n' || name
[cnt
-1] == 0)
169 /* validate we have enough characters for WWPN */
170 if ((cnt
!= (16+1+16)) || (name
[16] != ':'))
173 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[0], wwpn
);
177 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[17], wwnn
);
184 static char *tcm_qla2xxx_npiv_get_fabric_name(void)
186 return "qla2xxx_npiv";
189 static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group
*se_tpg
)
191 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
192 struct tcm_qla2xxx_tpg
, se_tpg
);
193 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
195 return lport
->lport_naa_name
;
198 static u16
tcm_qla2xxx_get_tag(struct se_portal_group
*se_tpg
)
200 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
201 struct tcm_qla2xxx_tpg
, se_tpg
);
202 return tpg
->lport_tpgt
;
205 static int tcm_qla2xxx_check_demo_mode(struct se_portal_group
*se_tpg
)
207 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
208 struct tcm_qla2xxx_tpg
, se_tpg
);
210 return tpg
->tpg_attrib
.generate_node_acls
;
213 static int tcm_qla2xxx_check_demo_mode_cache(struct se_portal_group
*se_tpg
)
215 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
216 struct tcm_qla2xxx_tpg
, se_tpg
);
218 return tpg
->tpg_attrib
.cache_dynamic_acls
;
221 static int tcm_qla2xxx_check_demo_write_protect(struct se_portal_group
*se_tpg
)
223 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
224 struct tcm_qla2xxx_tpg
, se_tpg
);
226 return tpg
->tpg_attrib
.demo_mode_write_protect
;
229 static int tcm_qla2xxx_check_prod_write_protect(struct se_portal_group
*se_tpg
)
231 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
232 struct tcm_qla2xxx_tpg
, se_tpg
);
234 return tpg
->tpg_attrib
.prod_mode_write_protect
;
237 static int tcm_qla2xxx_check_demo_mode_login_only(struct se_portal_group
*se_tpg
)
239 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
240 struct tcm_qla2xxx_tpg
, se_tpg
);
242 return tpg
->tpg_attrib
.demo_mode_login_only
;
245 static int tcm_qla2xxx_check_prot_fabric_only(struct se_portal_group
*se_tpg
)
247 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
248 struct tcm_qla2xxx_tpg
, se_tpg
);
250 return tpg
->tpg_attrib
.fabric_prot_type
;
253 static u32
tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group
*se_tpg
)
255 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
256 struct tcm_qla2xxx_tpg
, se_tpg
);
258 return tpg
->lport_tpgt
;
261 static void tcm_qla2xxx_complete_mcmd(struct work_struct
*work
)
263 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(work
,
264 struct qla_tgt_mgmt_cmd
, free_work
);
266 transport_generic_free_cmd(&mcmd
->se_cmd
, 0);
270 * Called from qla_target_template->free_mcmd(), and will call
271 * tcm_qla2xxx_release_cmd() via normal struct target_core_fabric_ops
272 * release callback. qla_hw_data->hardware_lock is expected to be held
274 static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd
*mcmd
)
276 INIT_WORK(&mcmd
->free_work
, tcm_qla2xxx_complete_mcmd
);
277 queue_work(tcm_qla2xxx_free_wq
, &mcmd
->free_work
);
280 static void tcm_qla2xxx_complete_free(struct work_struct
*work
)
282 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
286 WARN_ON(cmd
->cmd_flags
& BIT_16
);
288 cmd
->cmd_flags
|= BIT_16
;
289 transport_generic_free_cmd(&cmd
->se_cmd
, 0);
293 * Called from qla_target_template->free_cmd(), and will call
294 * tcm_qla2xxx_release_cmd via normal struct target_core_fabric_ops
295 * release callback. qla_hw_data->hardware_lock is expected to be held
297 static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd
*cmd
)
300 INIT_WORK(&cmd
->work
, tcm_qla2xxx_complete_free
);
301 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
305 * Called from struct target_core_fabric_ops->check_stop_free() context
307 static int tcm_qla2xxx_check_stop_free(struct se_cmd
*se_cmd
)
309 struct qla_tgt_cmd
*cmd
;
311 if ((se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) == 0) {
312 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
313 cmd
->cmd_flags
|= BIT_14
;
316 return target_put_sess_cmd(se_cmd
);
319 /* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying
320 * fabric descriptor @se_cmd command to release
322 static void tcm_qla2xxx_release_cmd(struct se_cmd
*se_cmd
)
324 struct qla_tgt_cmd
*cmd
;
326 if (se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) {
327 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
328 struct qla_tgt_mgmt_cmd
, se_cmd
);
333 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
337 static int tcm_qla2xxx_shutdown_session(struct se_session
*se_sess
)
339 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
340 struct scsi_qla_host
*vha
;
346 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
347 target_sess_cmd_list_set_waiting(se_sess
);
348 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
353 static void tcm_qla2xxx_close_session(struct se_session
*se_sess
)
355 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
356 struct scsi_qla_host
*vha
;
362 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
363 qlt_unreg_sess(sess
);
364 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
367 static u32
tcm_qla2xxx_sess_get_index(struct se_session
*se_sess
)
372 static int tcm_qla2xxx_write_pending(struct se_cmd
*se_cmd
)
374 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
375 struct qla_tgt_cmd
, se_cmd
);
377 cmd
->bufflen
= se_cmd
->data_length
;
378 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
380 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
381 cmd
->sg
= se_cmd
->t_data_sg
;
383 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
384 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
385 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
389 * qla_target.c:qlt_rdy_to_xfer() will call pci_map_sg() to setup
390 * the SGL mappings into PCIe memory for incoming FCP WRITE data.
392 return qlt_rdy_to_xfer(cmd
);
395 static int tcm_qla2xxx_write_pending_status(struct se_cmd
*se_cmd
)
399 * Check for WRITE_PENDING status to determine if we need to wait for
400 * CTIO aborts to be posted via hardware in tcm_qla2xxx_handle_data().
402 spin_lock_irqsave(&se_cmd
->t_state_lock
, flags
);
403 if (se_cmd
->t_state
== TRANSPORT_WRITE_PENDING
||
404 se_cmd
->t_state
== TRANSPORT_COMPLETE_QF_WP
) {
405 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
406 wait_for_completion_timeout(&se_cmd
->t_transport_stop_comp
,
410 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
415 static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl
*nacl
)
420 static int tcm_qla2xxx_get_cmd_state(struct se_cmd
*se_cmd
)
426 * Called from process context in qla_target.c:qlt_do_work() code
428 static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t
*vha
, struct qla_tgt_cmd
*cmd
,
429 unsigned char *cdb
, uint32_t data_length
, int fcp_task_attr
,
430 int data_dir
, int bidi
)
432 struct se_cmd
*se_cmd
= &cmd
->se_cmd
;
433 struct se_session
*se_sess
;
434 struct qla_tgt_sess
*sess
;
435 int flags
= TARGET_SCF_ACK_KREF
;
438 flags
|= TARGET_SCF_BIDI_OP
;
442 pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n");
446 se_sess
= sess
->se_sess
;
448 pr_err("Unable to locate active struct se_session\n");
452 return target_submit_cmd(se_cmd
, se_sess
, cdb
, &cmd
->sense_buffer
[0],
453 cmd
->unpacked_lun
, data_length
, fcp_task_attr
,
457 static void tcm_qla2xxx_handle_data_work(struct work_struct
*work
)
459 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
462 * Ensure that the complete FCP WRITE payload has been received.
463 * Otherwise return an exception via CHECK_CONDITION status.
466 cmd
->cmd_flags
|= BIT_11
;
467 if (!cmd
->write_data_transferred
) {
469 * Check if se_cmd has already been aborted via LUN_RESET, and
470 * waiting upon completion in tcm_qla2xxx_write_pending_status()
472 if (cmd
->se_cmd
.transport_state
& CMD_T_ABORTED
) {
473 complete(&cmd
->se_cmd
.t_transport_stop_comp
);
477 if (cmd
->se_cmd
.pi_err
)
478 transport_generic_request_failure(&cmd
->se_cmd
,
481 transport_generic_request_failure(&cmd
->se_cmd
,
482 TCM_CHECK_CONDITION_ABORT_CMD
);
487 return target_execute_cmd(&cmd
->se_cmd
);
491 * Called from qla_target.c:qlt_do_ctio_completion()
493 static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd
*cmd
)
495 cmd
->cmd_flags
|= BIT_10
;
497 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_data_work
);
498 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
501 static void tcm_qla2xxx_handle_dif_work(struct work_struct
*work
)
503 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
505 /* take an extra kref to prevent cmd free too early.
506 * need to wait for SCSI status/check condition to
507 * finish responding generate by transport_generic_request_failure.
509 kref_get(&cmd
->se_cmd
.cmd_kref
);
510 transport_generic_request_failure(&cmd
->se_cmd
, cmd
->se_cmd
.pi_err
);
514 * Called from qla_target.c:qlt_do_ctio_completion()
516 static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd
*cmd
)
518 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_dif_work
);
519 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
523 * Called from qla_target.c:qlt_issue_task_mgmt()
525 static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd
*mcmd
, uint32_t lun
,
526 uint8_t tmr_func
, uint32_t tag
)
528 struct qla_tgt_sess
*sess
= mcmd
->sess
;
529 struct se_cmd
*se_cmd
= &mcmd
->se_cmd
;
531 return target_submit_tmr(se_cmd
, sess
->se_sess
, NULL
, lun
, mcmd
,
532 tmr_func
, GFP_ATOMIC
, tag
, TARGET_SCF_ACK_KREF
);
535 static int tcm_qla2xxx_queue_data_in(struct se_cmd
*se_cmd
)
537 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
538 struct qla_tgt_cmd
, se_cmd
);
540 cmd
->cmd_flags
|= BIT_4
;
541 cmd
->bufflen
= se_cmd
->data_length
;
542 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
543 cmd
->aborted
= (se_cmd
->transport_state
& CMD_T_ABORTED
);
545 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
546 cmd
->sg
= se_cmd
->t_data_sg
;
548 cmd
->cmd_flags
|= BIT_3
;
550 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
551 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
552 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
556 * Now queue completed DATA_IN the qla2xxx LLD and response ring
558 return qlt_xmit_response(cmd
, QLA_TGT_XMIT_DATA
|QLA_TGT_XMIT_STATUS
,
559 se_cmd
->scsi_status
);
562 static int tcm_qla2xxx_queue_status(struct se_cmd
*se_cmd
)
564 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
565 struct qla_tgt_cmd
, se_cmd
);
566 int xmit_type
= QLA_TGT_XMIT_STATUS
;
568 cmd
->bufflen
= se_cmd
->data_length
;
572 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
573 cmd
->aborted
= (se_cmd
->transport_state
& CMD_T_ABORTED
);
574 if (cmd
->cmd_flags
& BIT_5
) {
575 pr_crit("Bit_5 already set for cmd = %p.\n", cmd
);
578 cmd
->cmd_flags
|= BIT_5
;
580 if (se_cmd
->data_direction
== DMA_FROM_DEVICE
) {
582 * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen
583 * for qla_tgt_xmit_response LLD code
585 if (se_cmd
->se_cmd_flags
& SCF_OVERFLOW_BIT
) {
586 se_cmd
->se_cmd_flags
&= ~SCF_OVERFLOW_BIT
;
587 se_cmd
->residual_count
= 0;
589 se_cmd
->se_cmd_flags
|= SCF_UNDERFLOW_BIT
;
590 se_cmd
->residual_count
+= se_cmd
->data_length
;
595 * Now queue status response to qla2xxx LLD code and response ring
597 return qlt_xmit_response(cmd
, xmit_type
, se_cmd
->scsi_status
);
600 static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd
*se_cmd
)
602 struct se_tmr_req
*se_tmr
= se_cmd
->se_tmr_req
;
603 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
604 struct qla_tgt_mgmt_cmd
, se_cmd
);
606 pr_debug("queue_tm_rsp: mcmd: %p func: 0x%02x response: 0x%02x\n",
607 mcmd
, se_tmr
->function
, se_tmr
->response
);
609 * Do translation between TCM TM response codes and
610 * QLA2xxx FC TM response codes.
612 switch (se_tmr
->response
) {
613 case TMR_FUNCTION_COMPLETE
:
614 mcmd
->fc_tm_rsp
= FC_TM_SUCCESS
;
616 case TMR_TASK_DOES_NOT_EXIST
:
617 mcmd
->fc_tm_rsp
= FC_TM_BAD_CMD
;
619 case TMR_FUNCTION_REJECTED
:
620 mcmd
->fc_tm_rsp
= FC_TM_REJECT
;
622 case TMR_LUN_DOES_NOT_EXIST
:
624 mcmd
->fc_tm_rsp
= FC_TM_FAILED
;
628 * Queue the TM response to QLA2xxx LLD to build a
629 * CTIO response packet.
631 qlt_xmit_tm_rsp(mcmd
);
634 static void tcm_qla2xxx_aborted_task(struct se_cmd
*se_cmd
)
636 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
637 struct qla_tgt_cmd
, se_cmd
);
638 struct scsi_qla_host
*vha
= cmd
->vha
;
639 struct qla_hw_data
*ha
= vha
->hw
;
644 pci_unmap_sg(ha
->pdev
, cmd
->sg
, cmd
->sg_cnt
, cmd
->dma_data_direction
);
648 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*,
649 struct tcm_qla2xxx_nacl
*, struct qla_tgt_sess
*);
651 * Expected to be called with struct qla_hw_data->hardware_lock held
653 static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess
*sess
)
655 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
656 struct se_portal_group
*se_tpg
= se_nacl
->se_tpg
;
657 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
658 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
659 struct tcm_qla2xxx_lport
, lport_wwn
);
660 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
661 struct tcm_qla2xxx_nacl
, se_node_acl
);
664 pr_debug("fc_rport domain: port_id 0x%06x\n", nacl
->nport_id
);
666 node
= btree_remove32(&lport
->lport_fcport_map
, nacl
->nport_id
);
667 if (WARN_ON(node
&& (node
!= se_nacl
))) {
669 * The nacl no longer matches what we think it should be.
670 * Most likely a new dynamic acl has been added while
671 * someone dropped the hardware lock. It clearly is a
672 * bug elsewhere, but this bit can't make things worse.
674 btree_insert32(&lport
->lport_fcport_map
, nacl
->nport_id
,
678 pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
679 se_nacl
, nacl
->nport_wwnn
, nacl
->nport_id
);
681 * Now clear the se_nacl and session pointers from our HW lport lookup
682 * table mapping for this initiator's fabric S_ID and LOOP_ID entries.
684 * This is done ahead of callbacks into tcm_qla2xxx_free_session() ->
685 * target_wait_for_sess_cmds() before the session waits for outstanding
686 * I/O to complete, to avoid a race between session shutdown execution
687 * and incoming ATIOs or TMRs picking up a stale se_node_act reference.
689 tcm_qla2xxx_clear_sess_lookup(lport
, nacl
, sess
);
692 static void tcm_qla2xxx_release_session(struct kref
*kref
)
694 struct se_session
*se_sess
= container_of(kref
,
695 struct se_session
, sess_kref
);
697 qlt_unreg_sess(se_sess
->fabric_sess_ptr
);
700 static void tcm_qla2xxx_put_sess(struct qla_tgt_sess
*sess
)
705 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
706 kref_put(&sess
->se_sess
->sess_kref
, tcm_qla2xxx_release_session
);
709 static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess
*sess
)
711 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
712 target_sess_cmd_list_set_waiting(sess
->se_sess
);
715 static int tcm_qla2xxx_init_nodeacl(struct se_node_acl
*se_nacl
,
718 struct tcm_qla2xxx_nacl
*nacl
=
719 container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
722 if (tcm_qla2xxx_parse_wwn(name
, &wwnn
, 1) < 0)
725 nacl
->nport_wwnn
= wwnn
;
726 tcm_qla2xxx_format_wwn(&nacl
->nport_name
[0], TCM_QLA2XXX_NAMELEN
, wwnn
);
731 /* Start items for tcm_qla2xxx_tpg_attrib_cit */
733 #define DEF_QLA_TPG_ATTRIB(name) \
735 static ssize_t tcm_qla2xxx_tpg_attrib_show_##name( \
736 struct se_portal_group *se_tpg, \
739 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
740 struct tcm_qla2xxx_tpg, se_tpg); \
742 return sprintf(page, "%u\n", tpg->tpg_attrib.name); \
745 static ssize_t tcm_qla2xxx_tpg_attrib_store_##name( \
746 struct se_portal_group *se_tpg, \
750 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
751 struct tcm_qla2xxx_tpg, se_tpg); \
755 ret = kstrtoul(page, 0, &val); \
757 pr_err("kstrtoul() failed with" \
758 " ret: %d\n", ret); \
761 ret = tcm_qla2xxx_set_attrib_##name(tpg, val); \
763 return (!ret) ? count : -EINVAL; \
766 #define DEF_QLA_TPG_ATTR_BOOL(_name) \
768 static int tcm_qla2xxx_set_attrib_##_name( \
769 struct tcm_qla2xxx_tpg *tpg, \
772 struct tcm_qla2xxx_tpg_attrib *a = &tpg->tpg_attrib; \
774 if ((val != 0) && (val != 1)) { \
775 pr_err("Illegal boolean value %lu\n", val); \
783 #define QLA_TPG_ATTR(_name, _mode) \
784 TF_TPG_ATTRIB_ATTR(tcm_qla2xxx, _name, _mode);
787 * Define tcm_qla2xxx_tpg_attrib_s_generate_node_acls
789 DEF_QLA_TPG_ATTR_BOOL(generate_node_acls
);
790 DEF_QLA_TPG_ATTRIB(generate_node_acls
);
791 QLA_TPG_ATTR(generate_node_acls
, S_IRUGO
| S_IWUSR
);
794 Define tcm_qla2xxx_attrib_s_cache_dynamic_acls
796 DEF_QLA_TPG_ATTR_BOOL(cache_dynamic_acls
);
797 DEF_QLA_TPG_ATTRIB(cache_dynamic_acls
);
798 QLA_TPG_ATTR(cache_dynamic_acls
, S_IRUGO
| S_IWUSR
);
801 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_write_protect
803 DEF_QLA_TPG_ATTR_BOOL(demo_mode_write_protect
);
804 DEF_QLA_TPG_ATTRIB(demo_mode_write_protect
);
805 QLA_TPG_ATTR(demo_mode_write_protect
, S_IRUGO
| S_IWUSR
);
808 * Define tcm_qla2xxx_tpg_attrib_s_prod_mode_write_protect
810 DEF_QLA_TPG_ATTR_BOOL(prod_mode_write_protect
);
811 DEF_QLA_TPG_ATTRIB(prod_mode_write_protect
);
812 QLA_TPG_ATTR(prod_mode_write_protect
, S_IRUGO
| S_IWUSR
);
815 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_login_only
817 DEF_QLA_TPG_ATTR_BOOL(demo_mode_login_only
);
818 DEF_QLA_TPG_ATTRIB(demo_mode_login_only
);
819 QLA_TPG_ATTR(demo_mode_login_only
, S_IRUGO
| S_IWUSR
);
821 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrib_attrs
[] = {
822 &tcm_qla2xxx_tpg_attrib_generate_node_acls
.attr
,
823 &tcm_qla2xxx_tpg_attrib_cache_dynamic_acls
.attr
,
824 &tcm_qla2xxx_tpg_attrib_demo_mode_write_protect
.attr
,
825 &tcm_qla2xxx_tpg_attrib_prod_mode_write_protect
.attr
,
826 &tcm_qla2xxx_tpg_attrib_demo_mode_login_only
.attr
,
830 /* End items for tcm_qla2xxx_tpg_attrib_cit */
832 static ssize_t
tcm_qla2xxx_tpg_show_enable(
833 struct se_portal_group
*se_tpg
,
836 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
837 struct tcm_qla2xxx_tpg
, se_tpg
);
839 return snprintf(page
, PAGE_SIZE
, "%d\n",
840 atomic_read(&tpg
->lport_tpg_enabled
));
843 static void tcm_qla2xxx_depend_tpg(struct work_struct
*work
)
845 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
846 struct tcm_qla2xxx_tpg
, tpg_base_work
);
847 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
848 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
850 if (!target_depend_item(&se_tpg
->tpg_group
.cg_item
)) {
851 atomic_set(&base_tpg
->lport_tpg_enabled
, 1);
852 qlt_enable_vha(base_vha
);
854 complete(&base_tpg
->tpg_base_comp
);
857 static void tcm_qla2xxx_undepend_tpg(struct work_struct
*work
)
859 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
860 struct tcm_qla2xxx_tpg
, tpg_base_work
);
861 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
862 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
864 if (!qlt_stop_phase1(base_vha
->vha_tgt
.qla_tgt
)) {
865 atomic_set(&base_tpg
->lport_tpg_enabled
, 0);
866 target_undepend_item(&se_tpg
->tpg_group
.cg_item
);
868 complete(&base_tpg
->tpg_base_comp
);
871 static ssize_t
tcm_qla2xxx_tpg_store_enable(
872 struct se_portal_group
*se_tpg
,
876 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
877 struct tcm_qla2xxx_tpg
, se_tpg
);
881 rc
= kstrtoul(page
, 0, &op
);
883 pr_err("kstrtoul() returned %d\n", rc
);
886 if ((op
!= 1) && (op
!= 0)) {
887 pr_err("Illegal value for tpg_enable: %lu\n", op
);
891 if (atomic_read(&tpg
->lport_tpg_enabled
))
894 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_depend_tpg
);
896 if (!atomic_read(&tpg
->lport_tpg_enabled
))
899 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_undepend_tpg
);
901 init_completion(&tpg
->tpg_base_comp
);
902 schedule_work(&tpg
->tpg_base_work
);
903 wait_for_completion(&tpg
->tpg_base_comp
);
906 if (!atomic_read(&tpg
->lport_tpg_enabled
))
909 if (atomic_read(&tpg
->lport_tpg_enabled
))
915 TF_TPG_BASE_ATTR(tcm_qla2xxx
, enable
, S_IRUGO
| S_IWUSR
);
917 static ssize_t
tcm_qla2xxx_tpg_show_dynamic_sessions(
918 struct se_portal_group
*se_tpg
,
921 return target_show_dynamic_sessions(se_tpg
, page
);
924 TF_TPG_BASE_ATTR_RO(tcm_qla2xxx
, dynamic_sessions
);
926 static ssize_t
tcm_qla2xxx_tpg_store_fabric_prot_type(
927 struct se_portal_group
*se_tpg
,
931 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
932 struct tcm_qla2xxx_tpg
, se_tpg
);
934 int ret
= kstrtoul(page
, 0, &val
);
937 pr_err("kstrtoul() returned %d for fabric_prot_type\n", ret
);
940 if (val
!= 0 && val
!= 1 && val
!= 3) {
941 pr_err("Invalid qla2xxx fabric_prot_type: %lu\n", val
);
944 tpg
->tpg_attrib
.fabric_prot_type
= val
;
949 static ssize_t
tcm_qla2xxx_tpg_show_fabric_prot_type(
950 struct se_portal_group
*se_tpg
,
953 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
954 struct tcm_qla2xxx_tpg
, se_tpg
);
956 return sprintf(page
, "%d\n", tpg
->tpg_attrib
.fabric_prot_type
);
958 TF_TPG_BASE_ATTR(tcm_qla2xxx
, fabric_prot_type
, S_IRUGO
| S_IWUSR
);
960 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrs
[] = {
961 &tcm_qla2xxx_tpg_enable
.attr
,
962 &tcm_qla2xxx_tpg_dynamic_sessions
.attr
,
963 &tcm_qla2xxx_tpg_fabric_prot_type
.attr
,
967 static struct se_portal_group
*tcm_qla2xxx_make_tpg(
969 struct config_group
*group
,
972 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
973 struct tcm_qla2xxx_lport
, lport_wwn
);
974 struct tcm_qla2xxx_tpg
*tpg
;
978 if (strstr(name
, "tpgt_") != name
)
979 return ERR_PTR(-EINVAL
);
980 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
981 return ERR_PTR(-EINVAL
);
984 pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
985 return ERR_PTR(-ENOSYS
);
988 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
990 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
991 return ERR_PTR(-ENOMEM
);
994 tpg
->lport_tpgt
= tpgt
;
996 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
999 tpg
->tpg_attrib
.generate_node_acls
= 1;
1000 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1001 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1002 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1004 ret
= core_tpg_register(wwn
, &tpg
->se_tpg
, SCSI_PROTOCOL_FCP
);
1012 return &tpg
->se_tpg
;
1015 static void tcm_qla2xxx_drop_tpg(struct se_portal_group
*se_tpg
)
1017 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1018 struct tcm_qla2xxx_tpg
, se_tpg
);
1019 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
1020 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1022 * Call into qla2x_target.c LLD logic to shutdown the active
1023 * FC Nexuses and disable target mode operation for this qla_hw_data
1025 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stop
)
1026 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1028 core_tpg_deregister(se_tpg
);
1030 * Clear local TPG=1 pointer for non NPIV mode.
1032 lport
->tpg_1
= NULL
;
1036 static ssize_t
tcm_qla2xxx_npiv_tpg_show_enable(
1037 struct se_portal_group
*se_tpg
,
1040 return tcm_qla2xxx_tpg_show_enable(se_tpg
, page
);
1043 static ssize_t
tcm_qla2xxx_npiv_tpg_store_enable(
1044 struct se_portal_group
*se_tpg
,
1048 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
1049 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
1050 struct tcm_qla2xxx_lport
, lport_wwn
);
1051 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1052 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1053 struct tcm_qla2xxx_tpg
, se_tpg
);
1057 rc
= kstrtoul(page
, 0, &op
);
1059 pr_err("kstrtoul() returned %d\n", rc
);
1062 if ((op
!= 1) && (op
!= 0)) {
1063 pr_err("Illegal value for tpg_enable: %lu\n", op
);
1067 if (atomic_read(&tpg
->lport_tpg_enabled
))
1070 atomic_set(&tpg
->lport_tpg_enabled
, 1);
1071 qlt_enable_vha(vha
);
1073 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1076 atomic_set(&tpg
->lport_tpg_enabled
, 0);
1077 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1083 TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv
, enable
, S_IRUGO
| S_IWUSR
);
1085 static struct configfs_attribute
*tcm_qla2xxx_npiv_tpg_attrs
[] = {
1086 &tcm_qla2xxx_npiv_tpg_enable
.attr
,
1090 static struct se_portal_group
*tcm_qla2xxx_npiv_make_tpg(
1092 struct config_group
*group
,
1095 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1096 struct tcm_qla2xxx_lport
, lport_wwn
);
1097 struct tcm_qla2xxx_tpg
*tpg
;
1101 if (strstr(name
, "tpgt_") != name
)
1102 return ERR_PTR(-EINVAL
);
1103 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
1104 return ERR_PTR(-EINVAL
);
1106 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
1108 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
1109 return ERR_PTR(-ENOMEM
);
1112 tpg
->lport_tpgt
= tpgt
;
1115 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
1118 tpg
->tpg_attrib
.generate_node_acls
= 1;
1119 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1120 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1121 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1123 ret
= core_tpg_register(wwn
, &tpg
->se_tpg
, SCSI_PROTOCOL_FCP
);
1129 return &tpg
->se_tpg
;
1133 * Expected to be called with struct qla_hw_data->hardware_lock held
1135 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_s_id(
1136 scsi_qla_host_t
*vha
,
1137 const uint8_t *s_id
)
1139 struct tcm_qla2xxx_lport
*lport
;
1140 struct se_node_acl
*se_nacl
;
1141 struct tcm_qla2xxx_nacl
*nacl
;
1144 lport
= vha
->vha_tgt
.target_lport_ptr
;
1146 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1151 key
= (((unsigned long)s_id
[0] << 16) |
1152 ((unsigned long)s_id
[1] << 8) |
1153 (unsigned long)s_id
[2]);
1154 pr_debug("find_sess_by_s_id: 0x%06x\n", key
);
1156 se_nacl
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1158 pr_debug("Unable to locate s_id: 0x%06x\n", key
);
1161 pr_debug("find_sess_by_s_id: located se_nacl: %p, initiatorname: %s\n",
1162 se_nacl
, se_nacl
->initiatorname
);
1164 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1165 if (!nacl
->qla_tgt_sess
) {
1166 pr_err("Unable to locate struct qla_tgt_sess\n");
1170 return nacl
->qla_tgt_sess
;
1174 * Expected to be called with struct qla_hw_data->hardware_lock held
1176 static void tcm_qla2xxx_set_sess_by_s_id(
1177 struct tcm_qla2xxx_lport
*lport
,
1178 struct se_node_acl
*new_se_nacl
,
1179 struct tcm_qla2xxx_nacl
*nacl
,
1180 struct se_session
*se_sess
,
1181 struct qla_tgt_sess
*qla_tgt_sess
,
1188 key
= (((unsigned long)s_id
[0] << 16) |
1189 ((unsigned long)s_id
[1] << 8) |
1190 (unsigned long)s_id
[2]);
1191 pr_debug("set_sess_by_s_id: %06x\n", key
);
1193 slot
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1196 pr_debug("Setting up new fc_port entry to new_se_nacl\n");
1197 nacl
->nport_id
= key
;
1198 rc
= btree_insert32(&lport
->lport_fcport_map
, key
,
1199 new_se_nacl
, GFP_ATOMIC
);
1201 printk(KERN_ERR
"Unable to insert s_id into fcport_map: %06x\n",
1204 pr_debug("Wiping nonexisting fc_port entry\n");
1207 qla_tgt_sess
->se_sess
= se_sess
;
1208 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1212 if (nacl
->qla_tgt_sess
) {
1213 if (new_se_nacl
== NULL
) {
1214 pr_debug("Clearing existing nacl->qla_tgt_sess and fc_port entry\n");
1215 btree_remove32(&lport
->lport_fcport_map
, key
);
1216 nacl
->qla_tgt_sess
= NULL
;
1219 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_port entry\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
;
1226 if (new_se_nacl
== NULL
) {
1227 pr_debug("Clearing existing fc_port entry\n");
1228 btree_remove32(&lport
->lport_fcport_map
, key
);
1232 pr_debug("Replacing existing fc_port entry w/o active nacl->qla_tgt_sess\n");
1233 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1234 qla_tgt_sess
->se_sess
= se_sess
;
1235 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1237 pr_debug("Setup nacl->qla_tgt_sess %p by s_id for se_nacl: %p, initiatorname: %s\n",
1238 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1242 * Expected to be called with struct qla_hw_data->hardware_lock held
1244 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_loop_id(
1245 scsi_qla_host_t
*vha
,
1246 const uint16_t loop_id
)
1248 struct tcm_qla2xxx_lport
*lport
;
1249 struct se_node_acl
*se_nacl
;
1250 struct tcm_qla2xxx_nacl
*nacl
;
1251 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1253 lport
= vha
->vha_tgt
.target_lport_ptr
;
1255 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1260 pr_debug("find_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1262 fc_loopid
= lport
->lport_loopid_map
+ loop_id
;
1263 se_nacl
= fc_loopid
->se_nacl
;
1265 pr_debug("Unable to locate se_nacl by loop_id: 0x%04x\n",
1270 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1272 if (!nacl
->qla_tgt_sess
) {
1273 pr_err("Unable to locate struct qla_tgt_sess\n");
1277 return nacl
->qla_tgt_sess
;
1281 * Expected to be called with struct qla_hw_data->hardware_lock held
1283 static void tcm_qla2xxx_set_sess_by_loop_id(
1284 struct tcm_qla2xxx_lport
*lport
,
1285 struct se_node_acl
*new_se_nacl
,
1286 struct tcm_qla2xxx_nacl
*nacl
,
1287 struct se_session
*se_sess
,
1288 struct qla_tgt_sess
*qla_tgt_sess
,
1291 struct se_node_acl
*saved_nacl
;
1292 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1294 pr_debug("set_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1296 fc_loopid
= &((struct tcm_qla2xxx_fc_loopid
*)
1297 lport
->lport_loopid_map
)[loop_id
];
1299 saved_nacl
= fc_loopid
->se_nacl
;
1301 pr_debug("Setting up new fc_loopid->se_nacl to new_se_nacl\n");
1302 fc_loopid
->se_nacl
= new_se_nacl
;
1303 if (qla_tgt_sess
->se_sess
!= se_sess
)
1304 qla_tgt_sess
->se_sess
= se_sess
;
1305 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1306 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1310 if (nacl
->qla_tgt_sess
) {
1311 if (new_se_nacl
== NULL
) {
1312 pr_debug("Clearing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1313 fc_loopid
->se_nacl
= NULL
;
1314 nacl
->qla_tgt_sess
= NULL
;
1318 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1319 fc_loopid
->se_nacl
= new_se_nacl
;
1320 if (qla_tgt_sess
->se_sess
!= se_sess
)
1321 qla_tgt_sess
->se_sess
= se_sess
;
1322 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1323 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1327 if (new_se_nacl
== NULL
) {
1328 pr_debug("Clearing fc_loopid->se_nacl\n");
1329 fc_loopid
->se_nacl
= NULL
;
1333 pr_debug("Replacing existing fc_loopid->se_nacl w/o active nacl->qla_tgt_sess\n");
1334 fc_loopid
->se_nacl
= new_se_nacl
;
1335 if (qla_tgt_sess
->se_sess
!= se_sess
)
1336 qla_tgt_sess
->se_sess
= se_sess
;
1337 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1338 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1340 pr_debug("Setup nacl->qla_tgt_sess %p by loop_id for se_nacl: %p, initiatorname: %s\n",
1341 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1345 * Should always be called with qla_hw_data->hardware_lock held.
1347 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*lport
,
1348 struct tcm_qla2xxx_nacl
*nacl
, struct qla_tgt_sess
*sess
)
1350 struct se_session
*se_sess
= sess
->se_sess
;
1351 unsigned char be_sid
[3];
1353 be_sid
[0] = sess
->s_id
.b
.domain
;
1354 be_sid
[1] = sess
->s_id
.b
.area
;
1355 be_sid
[2] = sess
->s_id
.b
.al_pa
;
1357 tcm_qla2xxx_set_sess_by_s_id(lport
, NULL
, nacl
, se_sess
,
1359 tcm_qla2xxx_set_sess_by_loop_id(lport
, NULL
, nacl
, se_sess
,
1360 sess
, sess
->loop_id
);
1363 static void tcm_qla2xxx_free_session(struct qla_tgt_sess
*sess
)
1365 struct qla_tgt
*tgt
= sess
->tgt
;
1366 struct qla_hw_data
*ha
= tgt
->ha
;
1367 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1368 struct se_session
*se_sess
;
1369 struct se_node_acl
*se_nacl
;
1370 struct tcm_qla2xxx_lport
*lport
;
1371 struct tcm_qla2xxx_nacl
*nacl
;
1373 BUG_ON(in_interrupt());
1375 se_sess
= sess
->se_sess
;
1377 pr_err("struct qla_tgt_sess->se_sess is NULL\n");
1381 se_nacl
= se_sess
->se_node_acl
;
1382 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1384 lport
= vha
->vha_tgt
.target_lport_ptr
;
1386 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1390 target_wait_for_sess_cmds(se_sess
);
1392 transport_deregister_session_configfs(sess
->se_sess
);
1393 transport_deregister_session(sess
->se_sess
);
1397 * Called via qlt_create_sess():ha->qla2x_tmpl->check_initiator_node_acl()
1398 * to locate struct se_node_acl
1400 static int tcm_qla2xxx_check_initiator_node_acl(
1401 scsi_qla_host_t
*vha
,
1402 unsigned char *fc_wwpn
,
1407 struct qla_hw_data
*ha
= vha
->hw
;
1408 struct tcm_qla2xxx_lport
*lport
;
1409 struct tcm_qla2xxx_tpg
*tpg
;
1410 struct tcm_qla2xxx_nacl
*nacl
;
1411 struct se_portal_group
*se_tpg
;
1412 struct se_node_acl
*se_nacl
;
1413 struct se_session
*se_sess
;
1414 struct qla_tgt_sess
*sess
= qla_tgt_sess
;
1415 unsigned char port_name
[36];
1416 unsigned long flags
;
1417 int num_tags
= (ha
->fw_xcb_count
) ? ha
->fw_xcb_count
:
1418 TCM_QLA2XXX_DEFAULT_TAGS
;
1420 lport
= vha
->vha_tgt
.target_lport_ptr
;
1422 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1427 * Locate the TPG=1 reference..
1431 pr_err("Unable to lcoate struct tcm_qla2xxx_lport->tpg_1\n");
1434 se_tpg
= &tpg
->se_tpg
;
1436 se_sess
= transport_init_session_tags(num_tags
,
1437 sizeof(struct qla_tgt_cmd
),
1439 if (IS_ERR(se_sess
)) {
1440 pr_err("Unable to initialize struct se_session\n");
1441 return PTR_ERR(se_sess
);
1444 * Format the FCP Initiator port_name into colon seperated values to
1445 * match the format by tcm_qla2xxx explict ConfigFS NodeACLs.
1447 memset(&port_name
, 0, 36);
1448 snprintf(port_name
, sizeof(port_name
), "%8phC", fc_wwpn
);
1450 * Locate our struct se_node_acl either from an explict NodeACL created
1451 * via ConfigFS, or via running in TPG demo mode.
1453 se_sess
->se_node_acl
= core_tpg_check_initiator_node_acl(se_tpg
,
1455 if (!se_sess
->se_node_acl
) {
1456 transport_free_session(se_sess
);
1459 se_nacl
= se_sess
->se_node_acl
;
1460 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1462 * And now setup the new se_nacl and session pointers into our HW lport
1463 * mappings for fabric S_ID and LOOP_ID.
1465 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1466 tcm_qla2xxx_set_sess_by_s_id(lport
, se_nacl
, nacl
, se_sess
,
1467 qla_tgt_sess
, s_id
);
1468 tcm_qla2xxx_set_sess_by_loop_id(lport
, se_nacl
, nacl
, se_sess
,
1469 qla_tgt_sess
, loop_id
);
1470 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1472 * Finally register the new FC Nexus with TCM
1474 transport_register_session(se_nacl
->se_tpg
, se_nacl
, se_sess
, sess
);
1479 static void tcm_qla2xxx_update_sess(struct qla_tgt_sess
*sess
, port_id_t s_id
,
1480 uint16_t loop_id
, bool conf_compl_supported
)
1482 struct qla_tgt
*tgt
= sess
->tgt
;
1483 struct qla_hw_data
*ha
= tgt
->ha
;
1484 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1485 struct tcm_qla2xxx_lport
*lport
= vha
->vha_tgt
.target_lport_ptr
;
1486 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
1487 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
1488 struct tcm_qla2xxx_nacl
, se_node_acl
);
1492 if (sess
->loop_id
!= loop_id
|| sess
->s_id
.b24
!= s_id
.b24
)
1493 pr_info("Updating session %p from port %8phC loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n",
1494 sess
, sess
->port_name
,
1495 sess
->loop_id
, loop_id
, sess
->s_id
.b
.domain
,
1496 sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
, s_id
.b
.domain
,
1497 s_id
.b
.area
, s_id
.b
.al_pa
);
1499 if (sess
->loop_id
!= loop_id
) {
1501 * Because we can shuffle loop IDs around and we
1502 * update different sessions non-atomically, we might
1503 * have overwritten this session's old loop ID
1504 * already, and we might end up overwriting some other
1505 * session that will be updated later. So we have to
1506 * be extra careful and we can't warn about those things...
1508 if (lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
== se_nacl
)
1509 lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
= NULL
;
1511 lport
->lport_loopid_map
[loop_id
].se_nacl
= se_nacl
;
1513 sess
->loop_id
= loop_id
;
1516 if (sess
->s_id
.b24
!= s_id
.b24
) {
1517 key
= (((u32
) sess
->s_id
.b
.domain
<< 16) |
1518 ((u32
) sess
->s_id
.b
.area
<< 8) |
1519 ((u32
) sess
->s_id
.b
.al_pa
));
1521 if (btree_lookup32(&lport
->lport_fcport_map
, key
))
1522 WARN(btree_remove32(&lport
->lport_fcport_map
, key
) != se_nacl
,
1523 "Found wrong se_nacl when updating s_id %x:%x:%x\n",
1524 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1526 WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n",
1527 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1529 key
= (((u32
) s_id
.b
.domain
<< 16) |
1530 ((u32
) s_id
.b
.area
<< 8) |
1531 ((u32
) s_id
.b
.al_pa
));
1533 if (btree_lookup32(&lport
->lport_fcport_map
, key
)) {
1534 WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n",
1535 s_id
.b
.domain
, s_id
.b
.area
, s_id
.b
.al_pa
);
1536 btree_update32(&lport
->lport_fcport_map
, key
, se_nacl
);
1538 btree_insert32(&lport
->lport_fcport_map
, key
, se_nacl
, GFP_ATOMIC
);
1542 nacl
->nport_id
= key
;
1545 sess
->conf_compl_supported
= conf_compl_supported
;
1549 * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
1551 static struct qla_tgt_func_tmpl tcm_qla2xxx_template
= {
1552 .handle_cmd
= tcm_qla2xxx_handle_cmd
,
1553 .handle_data
= tcm_qla2xxx_handle_data
,
1554 .handle_dif_err
= tcm_qla2xxx_handle_dif_err
,
1555 .handle_tmr
= tcm_qla2xxx_handle_tmr
,
1556 .free_cmd
= tcm_qla2xxx_free_cmd
,
1557 .free_mcmd
= tcm_qla2xxx_free_mcmd
,
1558 .free_session
= tcm_qla2xxx_free_session
,
1559 .update_sess
= tcm_qla2xxx_update_sess
,
1560 .check_initiator_node_acl
= tcm_qla2xxx_check_initiator_node_acl
,
1561 .find_sess_by_s_id
= tcm_qla2xxx_find_sess_by_s_id
,
1562 .find_sess_by_loop_id
= tcm_qla2xxx_find_sess_by_loop_id
,
1563 .clear_nacl_from_fcport_map
= tcm_qla2xxx_clear_nacl_from_fcport_map
,
1564 .put_sess
= tcm_qla2xxx_put_sess
,
1565 .shutdown_sess
= tcm_qla2xxx_shutdown_sess
,
1568 static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport
*lport
)
1572 rc
= btree_init32(&lport
->lport_fcport_map
);
1574 pr_err("Unable to initialize lport->lport_fcport_map btree\n");
1578 lport
->lport_loopid_map
= vmalloc(sizeof(struct tcm_qla2xxx_fc_loopid
) *
1580 if (!lport
->lport_loopid_map
) {
1581 pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
1582 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1583 btree_destroy32(&lport
->lport_fcport_map
);
1586 memset(lport
->lport_loopid_map
, 0, sizeof(struct tcm_qla2xxx_fc_loopid
)
1588 pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
1589 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1593 static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host
*vha
,
1594 void *target_lport_ptr
,
1595 u64 npiv_wwpn
, u64 npiv_wwnn
)
1597 struct qla_hw_data
*ha
= vha
->hw
;
1598 struct tcm_qla2xxx_lport
*lport
=
1599 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1601 * Setup tgt_ops, local pointer to vha and target_lport_ptr
1603 ha
->tgt
.tgt_ops
= &tcm_qla2xxx_template
;
1604 vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1605 lport
->qla_vha
= vha
;
1610 static struct se_wwn
*tcm_qla2xxx_make_lport(
1611 struct target_fabric_configfs
*tf
,
1612 struct config_group
*group
,
1615 struct tcm_qla2xxx_lport
*lport
;
1619 if (tcm_qla2xxx_parse_wwn(name
, &wwpn
, 1) < 0)
1620 return ERR_PTR(-EINVAL
);
1622 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1624 pr_err("Unable to allocate struct tcm_qla2xxx_lport\n");
1625 return ERR_PTR(-ENOMEM
);
1627 lport
->lport_wwpn
= wwpn
;
1628 tcm_qla2xxx_format_wwn(&lport
->lport_name
[0], TCM_QLA2XXX_NAMELEN
,
1630 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) wwpn
);
1632 ret
= tcm_qla2xxx_init_lport(lport
);
1636 ret
= qlt_lport_register(lport
, wwpn
, 0, 0,
1637 tcm_qla2xxx_lport_register_cb
);
1641 return &lport
->lport_wwn
;
1643 vfree(lport
->lport_loopid_map
);
1644 btree_destroy32(&lport
->lport_fcport_map
);
1647 return ERR_PTR(ret
);
1650 static void tcm_qla2xxx_drop_lport(struct se_wwn
*wwn
)
1652 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1653 struct tcm_qla2xxx_lport
, lport_wwn
);
1654 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1655 struct se_node_acl
*node
;
1659 * Call into qla2x_target.c LLD logic to complete the
1660 * shutdown of struct qla_tgt after the call to
1661 * qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
1663 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stopped
)
1664 qlt_stop_phase2(vha
->vha_tgt
.qla_tgt
);
1666 qlt_lport_deregister(vha
);
1668 vfree(lport
->lport_loopid_map
);
1669 btree_for_each_safe32(&lport
->lport_fcport_map
, key
, node
)
1670 btree_remove32(&lport
->lport_fcport_map
, key
);
1671 btree_destroy32(&lport
->lport_fcport_map
);
1675 static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host
*base_vha
,
1676 void *target_lport_ptr
,
1677 u64 npiv_wwpn
, u64 npiv_wwnn
)
1679 struct fc_vport
*vport
;
1680 struct Scsi_Host
*sh
= base_vha
->host
;
1681 struct scsi_qla_host
*npiv_vha
;
1682 struct tcm_qla2xxx_lport
*lport
=
1683 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1684 struct tcm_qla2xxx_lport
*base_lport
=
1685 (struct tcm_qla2xxx_lport
*)base_vha
->vha_tgt
.target_lport_ptr
;
1686 struct tcm_qla2xxx_tpg
*base_tpg
;
1687 struct fc_vport_identifiers vport_id
;
1689 if (!qla_tgt_mode_enabled(base_vha
)) {
1690 pr_err("qla2xxx base_vha not enabled for target mode\n");
1694 if (!base_lport
|| !base_lport
->tpg_1
||
1695 !atomic_read(&base_lport
->tpg_1
->lport_tpg_enabled
)) {
1696 pr_err("qla2xxx base_lport or tpg_1 not available\n");
1699 base_tpg
= base_lport
->tpg_1
;
1701 memset(&vport_id
, 0, sizeof(vport_id
));
1702 vport_id
.port_name
= npiv_wwpn
;
1703 vport_id
.node_name
= npiv_wwnn
;
1704 vport_id
.roles
= FC_PORT_ROLE_FCP_INITIATOR
;
1705 vport_id
.vport_type
= FC_PORTTYPE_NPIV
;
1706 vport_id
.disable
= false;
1708 vport
= fc_vport_create(sh
, 0, &vport_id
);
1710 pr_err("fc_vport_create failed for qla2xxx_npiv\n");
1714 * Setup local pointer to NPIV vhba + target_lport_ptr
1716 npiv_vha
= (struct scsi_qla_host
*)vport
->dd_data
;
1717 npiv_vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1718 lport
->qla_vha
= npiv_vha
;
1719 scsi_host_get(npiv_vha
->host
);
1724 static struct se_wwn
*tcm_qla2xxx_npiv_make_lport(
1725 struct target_fabric_configfs
*tf
,
1726 struct config_group
*group
,
1729 struct tcm_qla2xxx_lport
*lport
;
1730 u64 phys_wwpn
, npiv_wwpn
, npiv_wwnn
;
1734 snprintf(tmp
, 128, "%s", name
);
1736 p
= strchr(tmp
, '@');
1738 pr_err("Unable to locate NPIV '@' seperator\n");
1739 return ERR_PTR(-EINVAL
);
1743 if (tcm_qla2xxx_parse_wwn(tmp
, &phys_wwpn
, 1) < 0)
1744 return ERR_PTR(-EINVAL
);
1746 if (tcm_qla2xxx_npiv_parse_wwn(p
, strlen(p
)+1,
1747 &npiv_wwpn
, &npiv_wwnn
) < 0)
1748 return ERR_PTR(-EINVAL
);
1750 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1752 pr_err("Unable to allocate struct tcm_qla2xxx_lport for NPIV\n");
1753 return ERR_PTR(-ENOMEM
);
1755 lport
->lport_npiv_wwpn
= npiv_wwpn
;
1756 lport
->lport_npiv_wwnn
= npiv_wwnn
;
1757 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) npiv_wwpn
);
1759 ret
= tcm_qla2xxx_init_lport(lport
);
1763 ret
= qlt_lport_register(lport
, phys_wwpn
, npiv_wwpn
, npiv_wwnn
,
1764 tcm_qla2xxx_lport_register_npiv_cb
);
1768 return &lport
->lport_wwn
;
1770 vfree(lport
->lport_loopid_map
);
1771 btree_destroy32(&lport
->lport_fcport_map
);
1774 return ERR_PTR(ret
);
1777 static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn
*wwn
)
1779 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1780 struct tcm_qla2xxx_lport
, lport_wwn
);
1781 struct scsi_qla_host
*npiv_vha
= lport
->qla_vha
;
1782 struct qla_hw_data
*ha
= npiv_vha
->hw
;
1783 scsi_qla_host_t
*base_vha
= pci_get_drvdata(ha
->pdev
);
1785 scsi_host_put(npiv_vha
->host
);
1787 * Notify libfc that we want to release the vha->fc_vport
1789 fc_vport_terminate(npiv_vha
->fc_vport
);
1790 scsi_host_put(base_vha
->host
);
1795 static ssize_t
tcm_qla2xxx_wwn_show_attr_version(
1796 struct target_fabric_configfs
*tf
,
1799 return sprintf(page
,
1800 "TCM QLOGIC QLA2XXX NPIV capable fabric module %s on %s/%s on "
1801 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
1802 utsname()->machine
);
1805 TF_WWN_ATTR_RO(tcm_qla2xxx
, version
);
1807 static struct configfs_attribute
*tcm_qla2xxx_wwn_attrs
[] = {
1808 &tcm_qla2xxx_wwn_version
.attr
,
1812 static const struct target_core_fabric_ops tcm_qla2xxx_ops
= {
1813 .module
= THIS_MODULE
,
1815 .node_acl_size
= sizeof(struct tcm_qla2xxx_nacl
),
1816 .get_fabric_name
= tcm_qla2xxx_get_fabric_name
,
1817 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1818 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1819 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1820 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1821 .tpg_check_demo_mode_write_protect
=
1822 tcm_qla2xxx_check_demo_write_protect
,
1823 .tpg_check_prod_mode_write_protect
=
1824 tcm_qla2xxx_check_prod_write_protect
,
1825 .tpg_check_prot_fabric_only
= tcm_qla2xxx_check_prot_fabric_only
,
1826 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1827 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1828 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1829 .release_cmd
= tcm_qla2xxx_release_cmd
,
1830 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1831 .close_session
= tcm_qla2xxx_close_session
,
1832 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1833 .sess_get_initiator_sid
= NULL
,
1834 .write_pending
= tcm_qla2xxx_write_pending
,
1835 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1836 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1837 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1838 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1839 .queue_status
= tcm_qla2xxx_queue_status
,
1840 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1841 .aborted_task
= tcm_qla2xxx_aborted_task
,
1843 * Setup function pointers for generic logic in
1844 * target_core_fabric_configfs.c
1846 .fabric_make_wwn
= tcm_qla2xxx_make_lport
,
1847 .fabric_drop_wwn
= tcm_qla2xxx_drop_lport
,
1848 .fabric_make_tpg
= tcm_qla2xxx_make_tpg
,
1849 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
1850 .fabric_init_nodeacl
= tcm_qla2xxx_init_nodeacl
,
1852 .tfc_wwn_attrs
= tcm_qla2xxx_wwn_attrs
,
1853 .tfc_tpg_base_attrs
= tcm_qla2xxx_tpg_attrs
,
1854 .tfc_tpg_attrib_attrs
= tcm_qla2xxx_tpg_attrib_attrs
,
1857 static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops
= {
1858 .module
= THIS_MODULE
,
1859 .name
= "qla2xxx_npiv",
1860 .node_acl_size
= sizeof(struct tcm_qla2xxx_nacl
),
1861 .get_fabric_name
= tcm_qla2xxx_npiv_get_fabric_name
,
1862 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1863 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1864 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1865 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1866 .tpg_check_demo_mode_write_protect
= tcm_qla2xxx_check_demo_mode
,
1867 .tpg_check_prod_mode_write_protect
=
1868 tcm_qla2xxx_check_prod_write_protect
,
1869 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1870 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1871 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1872 .release_cmd
= tcm_qla2xxx_release_cmd
,
1873 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1874 .close_session
= tcm_qla2xxx_close_session
,
1875 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1876 .sess_get_initiator_sid
= NULL
,
1877 .write_pending
= tcm_qla2xxx_write_pending
,
1878 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1879 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1880 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1881 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1882 .queue_status
= tcm_qla2xxx_queue_status
,
1883 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1884 .aborted_task
= tcm_qla2xxx_aborted_task
,
1886 * Setup function pointers for generic logic in
1887 * target_core_fabric_configfs.c
1889 .fabric_make_wwn
= tcm_qla2xxx_npiv_make_lport
,
1890 .fabric_drop_wwn
= tcm_qla2xxx_npiv_drop_lport
,
1891 .fabric_make_tpg
= tcm_qla2xxx_npiv_make_tpg
,
1892 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
1893 .fabric_init_nodeacl
= tcm_qla2xxx_init_nodeacl
,
1895 .tfc_wwn_attrs
= tcm_qla2xxx_wwn_attrs
,
1896 .tfc_tpg_base_attrs
= tcm_qla2xxx_npiv_tpg_attrs
,
1899 static int tcm_qla2xxx_register_configfs(void)
1903 pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on "
1904 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
1905 utsname()->machine
);
1907 ret
= target_register_template(&tcm_qla2xxx_ops
);
1911 ret
= target_register_template(&tcm_qla2xxx_npiv_ops
);
1915 tcm_qla2xxx_free_wq
= alloc_workqueue("tcm_qla2xxx_free",
1917 if (!tcm_qla2xxx_free_wq
) {
1919 goto out_fabric_npiv
;
1922 tcm_qla2xxx_cmd_wq
= alloc_workqueue("tcm_qla2xxx_cmd", 0, 0);
1923 if (!tcm_qla2xxx_cmd_wq
) {
1931 destroy_workqueue(tcm_qla2xxx_free_wq
);
1933 target_unregister_template(&tcm_qla2xxx_npiv_ops
);
1935 target_unregister_template(&tcm_qla2xxx_ops
);
1939 static void tcm_qla2xxx_deregister_configfs(void)
1941 destroy_workqueue(tcm_qla2xxx_cmd_wq
);
1942 destroy_workqueue(tcm_qla2xxx_free_wq
);
1944 target_unregister_template(&tcm_qla2xxx_ops
);
1945 target_unregister_template(&tcm_qla2xxx_npiv_ops
);
1948 static int __init
tcm_qla2xxx_init(void)
1952 ret
= tcm_qla2xxx_register_configfs();
1959 static void __exit
tcm_qla2xxx_exit(void)
1961 tcm_qla2xxx_deregister_configfs();
1964 MODULE_DESCRIPTION("TCM QLA2XXX series NPIV enabled fabric driver");
1965 MODULE_LICENSE("GPL");
1966 module_init(tcm_qla2xxx_init
);
1967 module_exit(tcm_qla2xxx_exit
);