1 /*******************************************************************************
2 * This file contains tcm implementation using v4 configfs fabric infrastructure
3 * for QLogic target mode HBAs
5 * (c) Copyright 2010-2013 Datera, Inc.
7 * Author: Nicholas A. Bellinger <nab@daterainc.com>
9 * tcm_qla2xxx_parse_wwn() and tcm_qla2xxx_format_wwn() contains code from
10 * the TCM_FC / Open-FCoE.org fabric module.
12 * Copyright (c) 2010 Cisco Systems, Inc
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 ****************************************************************************/
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <generated/utsrelease.h>
29 #include <linux/utsname.h>
30 #include <linux/init.h>
31 #include <linux/list.h>
32 #include <linux/slab.h>
33 #include <linux/kthread.h>
34 #include <linux/types.h>
35 #include <linux/string.h>
36 #include <linux/configfs.h>
37 #include <linux/ctype.h>
38 #include <asm/unaligned.h>
39 #include <scsi/scsi.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_device.h>
42 #include <scsi/scsi_cmnd.h>
43 #include <target/target_core_base.h>
44 #include <target/target_core_fabric.h>
45 #include <target/target_core_fabric_configfs.h>
46 #include <target/target_core_configfs.h>
47 #include <target/configfs_macros.h>
50 #include "qla_target.h"
51 #include "tcm_qla2xxx.h"
53 static struct workqueue_struct
*tcm_qla2xxx_free_wq
;
54 static struct workqueue_struct
*tcm_qla2xxx_cmd_wq
;
56 /* Local pointer to allocated TCM configfs fabric module */
57 static struct target_fabric_configfs
*tcm_qla2xxx_fabric_configfs
;
58 static struct target_fabric_configfs
*tcm_qla2xxx_npiv_fabric_configfs
;
62 * If strict, we require lower-case hex and colon separators to be sure
63 * the name is the same as what would be generated by ft_format_wwn()
64 * so the name and wwn are mapped one-to-one.
66 static ssize_t
tcm_qla2xxx_parse_wwn(const char *name
, u64
*wwn
, int strict
)
76 for (cp
= name
; cp
< &name
[TCM_QLA2XXX_NAMELEN
- 1]; cp
++) {
78 if (c
== '\n' && cp
[1] == '\0')
80 if (strict
&& pos
++ == 2 && byte
++ < 7) {
89 if (strict
&& byte
!= 8)
96 else if (isxdigit(c
) && (islower(c
) || !strict
))
97 nibble
= tolower(c
) - 'a' + 10;
100 *wwn
= (*wwn
<< 4) | nibble
;
104 pr_debug("err %u len %zu pos %u byte %u\n",
105 err
, cp
- name
, pos
, byte
);
109 static ssize_t
tcm_qla2xxx_format_wwn(char *buf
, size_t len
, u64 wwn
)
113 put_unaligned_be64(wwn
, b
);
114 return snprintf(buf
, len
,
115 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
116 b
[0], b
[1], b
[2], b
[3], b
[4], b
[5], b
[6], b
[7]);
119 static char *tcm_qla2xxx_get_fabric_name(void)
125 * From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn
127 static int tcm_qla2xxx_npiv_extract_wwn(const char *ns
, u64
*nm
)
132 memset(wwn
, 0, sizeof(wwn
));
134 /* Validate and store the new name */
135 for (i
= 0, j
= 0; i
< 16; i
++) {
138 value
= hex_to_bin(*ns
++);
140 j
= (j
<< 4) | value
;
150 *nm
= wwn_to_u64(wwn
);
155 * This parsing logic follows drivers/scsi/scsi_transport_fc.c:
156 * store_fc_host_vport_create()
158 static int tcm_qla2xxx_npiv_parse_wwn(
164 unsigned int cnt
= count
;
170 /* count may include a LF at end of string */
171 if (name
[cnt
-1] == '\n' || name
[cnt
-1] == 0)
174 /* validate we have enough characters for WWPN */
175 if ((cnt
!= (16+1+16)) || (name
[16] != ':'))
178 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[0], wwpn
);
182 rc
= tcm_qla2xxx_npiv_extract_wwn(&name
[17], wwnn
);
189 static char *tcm_qla2xxx_npiv_get_fabric_name(void)
191 return "qla2xxx_npiv";
194 static u8
tcm_qla2xxx_get_fabric_proto_ident(struct se_portal_group
*se_tpg
)
196 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
197 struct tcm_qla2xxx_tpg
, se_tpg
);
198 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
201 switch (lport
->lport_proto_id
) {
202 case SCSI_PROTOCOL_FCP
:
204 proto_id
= fc_get_fabric_proto_ident(se_tpg
);
211 static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group
*se_tpg
)
213 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
214 struct tcm_qla2xxx_tpg
, se_tpg
);
215 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
217 return lport
->lport_naa_name
;
220 static u16
tcm_qla2xxx_get_tag(struct se_portal_group
*se_tpg
)
222 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
223 struct tcm_qla2xxx_tpg
, se_tpg
);
224 return tpg
->lport_tpgt
;
227 static u32
tcm_qla2xxx_get_default_depth(struct se_portal_group
*se_tpg
)
232 static u32
tcm_qla2xxx_get_pr_transport_id(
233 struct se_portal_group
*se_tpg
,
234 struct se_node_acl
*se_nacl
,
235 struct t10_pr_registration
*pr_reg
,
239 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
240 struct tcm_qla2xxx_tpg
, se_tpg
);
241 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
244 switch (lport
->lport_proto_id
) {
245 case SCSI_PROTOCOL_FCP
:
247 ret
= fc_get_pr_transport_id(se_tpg
, se_nacl
, pr_reg
,
255 static u32
tcm_qla2xxx_get_pr_transport_id_len(
256 struct se_portal_group
*se_tpg
,
257 struct se_node_acl
*se_nacl
,
258 struct t10_pr_registration
*pr_reg
,
261 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
262 struct tcm_qla2xxx_tpg
, se_tpg
);
263 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
266 switch (lport
->lport_proto_id
) {
267 case SCSI_PROTOCOL_FCP
:
269 ret
= fc_get_pr_transport_id_len(se_tpg
, se_nacl
, pr_reg
,
277 static char *tcm_qla2xxx_parse_pr_out_transport_id(
278 struct se_portal_group
*se_tpg
,
281 char **port_nexus_ptr
)
283 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
284 struct tcm_qla2xxx_tpg
, se_tpg
);
285 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
288 switch (lport
->lport_proto_id
) {
289 case SCSI_PROTOCOL_FCP
:
291 tid
= fc_parse_pr_out_transport_id(se_tpg
, buf
, out_tid_len
,
299 static int tcm_qla2xxx_check_demo_mode(struct se_portal_group
*se_tpg
)
301 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
302 struct tcm_qla2xxx_tpg
, se_tpg
);
304 return tpg
->tpg_attrib
.generate_node_acls
;
307 static int tcm_qla2xxx_check_demo_mode_cache(struct se_portal_group
*se_tpg
)
309 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
310 struct tcm_qla2xxx_tpg
, se_tpg
);
312 return tpg
->tpg_attrib
.cache_dynamic_acls
;
315 static int tcm_qla2xxx_check_demo_write_protect(struct se_portal_group
*se_tpg
)
317 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
318 struct tcm_qla2xxx_tpg
, se_tpg
);
320 return tpg
->tpg_attrib
.demo_mode_write_protect
;
323 static int tcm_qla2xxx_check_prod_write_protect(struct se_portal_group
*se_tpg
)
325 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
326 struct tcm_qla2xxx_tpg
, se_tpg
);
328 return tpg
->tpg_attrib
.prod_mode_write_protect
;
331 static int tcm_qla2xxx_check_demo_mode_login_only(struct se_portal_group
*se_tpg
)
333 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
334 struct tcm_qla2xxx_tpg
, se_tpg
);
336 return tpg
->tpg_attrib
.demo_mode_login_only
;
339 static struct se_node_acl
*tcm_qla2xxx_alloc_fabric_acl(
340 struct se_portal_group
*se_tpg
)
342 struct tcm_qla2xxx_nacl
*nacl
;
344 nacl
= kzalloc(sizeof(struct tcm_qla2xxx_nacl
), GFP_KERNEL
);
346 pr_err("Unable to allocate struct tcm_qla2xxx_nacl\n");
350 return &nacl
->se_node_acl
;
353 static void tcm_qla2xxx_release_fabric_acl(
354 struct se_portal_group
*se_tpg
,
355 struct se_node_acl
*se_nacl
)
357 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
358 struct tcm_qla2xxx_nacl
, se_node_acl
);
362 static u32
tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group
*se_tpg
)
364 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
365 struct tcm_qla2xxx_tpg
, se_tpg
);
367 return tpg
->lport_tpgt
;
370 static void tcm_qla2xxx_complete_mcmd(struct work_struct
*work
)
372 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(work
,
373 struct qla_tgt_mgmt_cmd
, free_work
);
375 transport_generic_free_cmd(&mcmd
->se_cmd
, 0);
379 * Called from qla_target_template->free_mcmd(), and will call
380 * tcm_qla2xxx_release_cmd() via normal struct target_core_fabric_ops
381 * release callback. qla_hw_data->hardware_lock is expected to be held
383 static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd
*mcmd
)
385 INIT_WORK(&mcmd
->free_work
, tcm_qla2xxx_complete_mcmd
);
386 queue_work(tcm_qla2xxx_free_wq
, &mcmd
->free_work
);
389 static void tcm_qla2xxx_complete_free(struct work_struct
*work
)
391 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
395 WARN_ON(cmd
->cmd_flags
& BIT_16
);
397 cmd
->cmd_flags
|= BIT_16
;
398 transport_generic_free_cmd(&cmd
->se_cmd
, 0);
402 * Called from qla_target_template->free_cmd(), and will call
403 * tcm_qla2xxx_release_cmd via normal struct target_core_fabric_ops
404 * release callback. qla_hw_data->hardware_lock is expected to be held
406 static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd
*cmd
)
409 INIT_WORK(&cmd
->work
, tcm_qla2xxx_complete_free
);
410 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
414 * Called from struct target_core_fabric_ops->check_stop_free() context
416 static int tcm_qla2xxx_check_stop_free(struct se_cmd
*se_cmd
)
418 struct qla_tgt_cmd
*cmd
;
420 if ((se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) == 0) {
421 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
422 cmd
->cmd_flags
|= BIT_14
;
425 return target_put_sess_cmd(se_cmd
->se_sess
, se_cmd
);
428 /* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying
429 * fabric descriptor @se_cmd command to release
431 static void tcm_qla2xxx_release_cmd(struct se_cmd
*se_cmd
)
433 struct qla_tgt_cmd
*cmd
;
435 if (se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
) {
436 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
437 struct qla_tgt_mgmt_cmd
, se_cmd
);
442 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
446 static int tcm_qla2xxx_shutdown_session(struct se_session
*se_sess
)
448 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
449 struct scsi_qla_host
*vha
;
455 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
456 target_sess_cmd_list_set_waiting(se_sess
);
457 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
462 static void tcm_qla2xxx_close_session(struct se_session
*se_sess
)
464 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
465 struct scsi_qla_host
*vha
;
471 spin_lock_irqsave(&vha
->hw
->hardware_lock
, flags
);
472 qlt_unreg_sess(sess
);
473 spin_unlock_irqrestore(&vha
->hw
->hardware_lock
, flags
);
476 static u32
tcm_qla2xxx_sess_get_index(struct se_session
*se_sess
)
481 static int tcm_qla2xxx_write_pending(struct se_cmd
*se_cmd
)
483 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
484 struct qla_tgt_cmd
, se_cmd
);
486 cmd
->bufflen
= se_cmd
->data_length
;
487 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
489 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
490 cmd
->sg
= se_cmd
->t_data_sg
;
492 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
493 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
494 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
498 * qla_target.c:qlt_rdy_to_xfer() will call pci_map_sg() to setup
499 * the SGL mappings into PCIe memory for incoming FCP WRITE data.
501 return qlt_rdy_to_xfer(cmd
);
504 static int tcm_qla2xxx_write_pending_status(struct se_cmd
*se_cmd
)
508 * Check for WRITE_PENDING status to determine if we need to wait for
509 * CTIO aborts to be posted via hardware in tcm_qla2xxx_handle_data().
511 spin_lock_irqsave(&se_cmd
->t_state_lock
, flags
);
512 if (se_cmd
->t_state
== TRANSPORT_WRITE_PENDING
||
513 se_cmd
->t_state
== TRANSPORT_COMPLETE_QF_WP
) {
514 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
515 wait_for_completion_timeout(&se_cmd
->t_transport_stop_comp
,
519 spin_unlock_irqrestore(&se_cmd
->t_state_lock
, flags
);
524 static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl
*nacl
)
529 static u32
tcm_qla2xxx_get_task_tag(struct se_cmd
*se_cmd
)
531 struct qla_tgt_cmd
*cmd
;
533 /* check for task mgmt cmd */
534 if (se_cmd
->se_cmd_flags
& SCF_SCSI_TMR_CDB
)
537 cmd
= container_of(se_cmd
, struct qla_tgt_cmd
, se_cmd
);
542 static int tcm_qla2xxx_get_cmd_state(struct se_cmd
*se_cmd
)
548 * Called from process context in qla_target.c:qlt_do_work() code
550 static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t
*vha
, struct qla_tgt_cmd
*cmd
,
551 unsigned char *cdb
, uint32_t data_length
, int fcp_task_attr
,
552 int data_dir
, int bidi
)
554 struct se_cmd
*se_cmd
= &cmd
->se_cmd
;
555 struct se_session
*se_sess
;
556 struct qla_tgt_sess
*sess
;
557 int flags
= TARGET_SCF_ACK_KREF
;
560 flags
|= TARGET_SCF_BIDI_OP
;
564 pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n");
568 se_sess
= sess
->se_sess
;
570 pr_err("Unable to locate active struct se_session\n");
574 return target_submit_cmd(se_cmd
, se_sess
, cdb
, &cmd
->sense_buffer
[0],
575 cmd
->unpacked_lun
, data_length
, fcp_task_attr
,
579 static void tcm_qla2xxx_handle_data_work(struct work_struct
*work
)
581 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
584 * Ensure that the complete FCP WRITE payload has been received.
585 * Otherwise return an exception via CHECK_CONDITION status.
588 cmd
->cmd_flags
|= BIT_11
;
589 if (!cmd
->write_data_transferred
) {
591 * Check if se_cmd has already been aborted via LUN_RESET, and
592 * waiting upon completion in tcm_qla2xxx_write_pending_status()
594 if (cmd
->se_cmd
.transport_state
& CMD_T_ABORTED
) {
595 complete(&cmd
->se_cmd
.t_transport_stop_comp
);
599 if (cmd
->se_cmd
.pi_err
)
600 transport_generic_request_failure(&cmd
->se_cmd
,
603 transport_generic_request_failure(&cmd
->se_cmd
,
604 TCM_CHECK_CONDITION_ABORT_CMD
);
609 return target_execute_cmd(&cmd
->se_cmd
);
613 * Called from qla_target.c:qlt_do_ctio_completion()
615 static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd
*cmd
)
617 cmd
->cmd_flags
|= BIT_10
;
619 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_data_work
);
620 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
623 static void tcm_qla2xxx_handle_dif_work(struct work_struct
*work
)
625 struct qla_tgt_cmd
*cmd
= container_of(work
, struct qla_tgt_cmd
, work
);
627 /* take an extra kref to prevent cmd free too early.
628 * need to wait for SCSI status/check condition to
629 * finish responding generate by transport_generic_request_failure.
631 kref_get(&cmd
->se_cmd
.cmd_kref
);
632 transport_generic_request_failure(&cmd
->se_cmd
, cmd
->se_cmd
.pi_err
);
636 * Called from qla_target.c:qlt_do_ctio_completion()
638 static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd
*cmd
)
640 INIT_WORK(&cmd
->work
, tcm_qla2xxx_handle_dif_work
);
641 queue_work(tcm_qla2xxx_free_wq
, &cmd
->work
);
645 * Called from qla_target.c:qlt_issue_task_mgmt()
647 static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd
*mcmd
, uint32_t lun
,
648 uint8_t tmr_func
, uint32_t tag
)
650 struct qla_tgt_sess
*sess
= mcmd
->sess
;
651 struct se_cmd
*se_cmd
= &mcmd
->se_cmd
;
653 return target_submit_tmr(se_cmd
, sess
->se_sess
, NULL
, lun
, mcmd
,
654 tmr_func
, GFP_ATOMIC
, tag
, TARGET_SCF_ACK_KREF
);
657 static int tcm_qla2xxx_queue_data_in(struct se_cmd
*se_cmd
)
659 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
660 struct qla_tgt_cmd
, se_cmd
);
662 cmd
->cmd_flags
|= BIT_4
;
663 cmd
->bufflen
= se_cmd
->data_length
;
664 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
665 cmd
->aborted
= (se_cmd
->transport_state
& CMD_T_ABORTED
);
667 cmd
->sg_cnt
= se_cmd
->t_data_nents
;
668 cmd
->sg
= se_cmd
->t_data_sg
;
670 cmd
->cmd_flags
|= BIT_3
;
672 cmd
->prot_sg_cnt
= se_cmd
->t_prot_nents
;
673 cmd
->prot_sg
= se_cmd
->t_prot_sg
;
674 cmd
->blk_sz
= se_cmd
->se_dev
->dev_attrib
.block_size
;
678 * Now queue completed DATA_IN the qla2xxx LLD and response ring
680 return qlt_xmit_response(cmd
, QLA_TGT_XMIT_DATA
|QLA_TGT_XMIT_STATUS
,
681 se_cmd
->scsi_status
);
684 static int tcm_qla2xxx_queue_status(struct se_cmd
*se_cmd
)
686 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
687 struct qla_tgt_cmd
, se_cmd
);
688 int xmit_type
= QLA_TGT_XMIT_STATUS
;
690 cmd
->bufflen
= se_cmd
->data_length
;
694 cmd
->dma_data_direction
= target_reverse_dma_direction(se_cmd
);
695 cmd
->aborted
= (se_cmd
->transport_state
& CMD_T_ABORTED
);
696 if (cmd
->cmd_flags
& BIT_5
) {
697 pr_crit("Bit_5 already set for cmd = %p.\n", cmd
);
700 cmd
->cmd_flags
|= BIT_5
;
702 if (se_cmd
->data_direction
== DMA_FROM_DEVICE
) {
704 * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen
705 * for qla_tgt_xmit_response LLD code
707 if (se_cmd
->se_cmd_flags
& SCF_OVERFLOW_BIT
) {
708 se_cmd
->se_cmd_flags
&= ~SCF_OVERFLOW_BIT
;
709 se_cmd
->residual_count
= 0;
711 se_cmd
->se_cmd_flags
|= SCF_UNDERFLOW_BIT
;
712 se_cmd
->residual_count
+= se_cmd
->data_length
;
717 * Now queue status response to qla2xxx LLD code and response ring
719 return qlt_xmit_response(cmd
, xmit_type
, se_cmd
->scsi_status
);
722 static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd
*se_cmd
)
724 struct se_tmr_req
*se_tmr
= se_cmd
->se_tmr_req
;
725 struct qla_tgt_mgmt_cmd
*mcmd
= container_of(se_cmd
,
726 struct qla_tgt_mgmt_cmd
, se_cmd
);
728 pr_debug("queue_tm_rsp: mcmd: %p func: 0x%02x response: 0x%02x\n",
729 mcmd
, se_tmr
->function
, se_tmr
->response
);
731 * Do translation between TCM TM response codes and
732 * QLA2xxx FC TM response codes.
734 switch (se_tmr
->response
) {
735 case TMR_FUNCTION_COMPLETE
:
736 mcmd
->fc_tm_rsp
= FC_TM_SUCCESS
;
738 case TMR_TASK_DOES_NOT_EXIST
:
739 mcmd
->fc_tm_rsp
= FC_TM_BAD_CMD
;
741 case TMR_FUNCTION_REJECTED
:
742 mcmd
->fc_tm_rsp
= FC_TM_REJECT
;
744 case TMR_LUN_DOES_NOT_EXIST
:
746 mcmd
->fc_tm_rsp
= FC_TM_FAILED
;
750 * Queue the TM response to QLA2xxx LLD to build a
751 * CTIO response packet.
753 qlt_xmit_tm_rsp(mcmd
);
756 static void tcm_qla2xxx_aborted_task(struct se_cmd
*se_cmd
)
758 struct qla_tgt_cmd
*cmd
= container_of(se_cmd
,
759 struct qla_tgt_cmd
, se_cmd
);
760 struct scsi_qla_host
*vha
= cmd
->vha
;
761 struct qla_hw_data
*ha
= vha
->hw
;
766 pci_unmap_sg(ha
->pdev
, cmd
->sg
, cmd
->sg_cnt
, cmd
->dma_data_direction
);
770 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*,
771 struct tcm_qla2xxx_nacl
*, struct qla_tgt_sess
*);
773 * Expected to be called with struct qla_hw_data->hardware_lock held
775 static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess
*sess
)
777 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
778 struct se_portal_group
*se_tpg
= se_nacl
->se_tpg
;
779 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
780 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
781 struct tcm_qla2xxx_lport
, lport_wwn
);
782 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
783 struct tcm_qla2xxx_nacl
, se_node_acl
);
786 pr_debug("fc_rport domain: port_id 0x%06x\n", nacl
->nport_id
);
788 node
= btree_remove32(&lport
->lport_fcport_map
, nacl
->nport_id
);
789 WARN_ON(node
&& (node
!= se_nacl
));
791 pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
792 se_nacl
, nacl
->nport_wwnn
, nacl
->nport_id
);
794 * Now clear the se_nacl and session pointers from our HW lport lookup
795 * table mapping for this initiator's fabric S_ID and LOOP_ID entries.
797 * This is done ahead of callbacks into tcm_qla2xxx_free_session() ->
798 * target_wait_for_sess_cmds() before the session waits for outstanding
799 * I/O to complete, to avoid a race between session shutdown execution
800 * and incoming ATIOs or TMRs picking up a stale se_node_act reference.
802 tcm_qla2xxx_clear_sess_lookup(lport
, nacl
, sess
);
805 static void tcm_qla2xxx_release_session(struct kref
*kref
)
807 struct se_session
*se_sess
= container_of(kref
,
808 struct se_session
, sess_kref
);
810 qlt_unreg_sess(se_sess
->fabric_sess_ptr
);
813 static void tcm_qla2xxx_put_session(struct se_session
*se_sess
)
815 struct qla_tgt_sess
*sess
= se_sess
->fabric_sess_ptr
;
816 struct qla_hw_data
*ha
= sess
->vha
->hw
;
819 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
820 kref_put(&se_sess
->sess_kref
, tcm_qla2xxx_release_session
);
821 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
824 static void tcm_qla2xxx_put_sess(struct qla_tgt_sess
*sess
)
829 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
830 kref_put(&sess
->se_sess
->sess_kref
, tcm_qla2xxx_release_session
);
833 static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess
*sess
)
835 assert_spin_locked(&sess
->vha
->hw
->hardware_lock
);
836 target_sess_cmd_list_set_waiting(sess
->se_sess
);
839 static struct se_node_acl
*tcm_qla2xxx_make_nodeacl(
840 struct se_portal_group
*se_tpg
,
841 struct config_group
*group
,
844 struct se_node_acl
*se_nacl
, *se_nacl_new
;
845 struct tcm_qla2xxx_nacl
*nacl
;
847 u32 qla2xxx_nexus_depth
;
849 if (tcm_qla2xxx_parse_wwn(name
, &wwnn
, 1) < 0)
850 return ERR_PTR(-EINVAL
);
852 se_nacl_new
= tcm_qla2xxx_alloc_fabric_acl(se_tpg
);
854 return ERR_PTR(-ENOMEM
);
855 /* #warning FIXME: Hardcoded qla2xxx_nexus depth in tcm_qla2xxx_make_nodeacl */
856 qla2xxx_nexus_depth
= 1;
859 * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
860 * when converting a NodeACL from demo mode -> explict
862 se_nacl
= core_tpg_add_initiator_node_acl(se_tpg
, se_nacl_new
,
863 name
, qla2xxx_nexus_depth
);
864 if (IS_ERR(se_nacl
)) {
865 tcm_qla2xxx_release_fabric_acl(se_tpg
, se_nacl_new
);
869 * Locate our struct tcm_qla2xxx_nacl and set the FC Nport WWPN
871 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
872 nacl
->nport_wwnn
= wwnn
;
873 tcm_qla2xxx_format_wwn(&nacl
->nport_name
[0], TCM_QLA2XXX_NAMELEN
, wwnn
);
878 static void tcm_qla2xxx_drop_nodeacl(struct se_node_acl
*se_acl
)
880 struct se_portal_group
*se_tpg
= se_acl
->se_tpg
;
881 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_acl
,
882 struct tcm_qla2xxx_nacl
, se_node_acl
);
884 core_tpg_del_initiator_node_acl(se_tpg
, se_acl
, 1);
888 /* Start items for tcm_qla2xxx_tpg_attrib_cit */
890 #define DEF_QLA_TPG_ATTRIB(name) \
892 static ssize_t tcm_qla2xxx_tpg_attrib_show_##name( \
893 struct se_portal_group *se_tpg, \
896 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
897 struct tcm_qla2xxx_tpg, se_tpg); \
899 return sprintf(page, "%u\n", tpg->tpg_attrib.name); \
902 static ssize_t tcm_qla2xxx_tpg_attrib_store_##name( \
903 struct se_portal_group *se_tpg, \
907 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
908 struct tcm_qla2xxx_tpg, se_tpg); \
912 ret = kstrtoul(page, 0, &val); \
914 pr_err("kstrtoul() failed with" \
915 " ret: %d\n", ret); \
918 ret = tcm_qla2xxx_set_attrib_##name(tpg, val); \
920 return (!ret) ? count : -EINVAL; \
923 #define DEF_QLA_TPG_ATTR_BOOL(_name) \
925 static int tcm_qla2xxx_set_attrib_##_name( \
926 struct tcm_qla2xxx_tpg *tpg, \
929 struct tcm_qla2xxx_tpg_attrib *a = &tpg->tpg_attrib; \
931 if ((val != 0) && (val != 1)) { \
932 pr_err("Illegal boolean value %lu\n", val); \
940 #define QLA_TPG_ATTR(_name, _mode) \
941 TF_TPG_ATTRIB_ATTR(tcm_qla2xxx, _name, _mode);
944 * Define tcm_qla2xxx_tpg_attrib_s_generate_node_acls
946 DEF_QLA_TPG_ATTR_BOOL(generate_node_acls
);
947 DEF_QLA_TPG_ATTRIB(generate_node_acls
);
948 QLA_TPG_ATTR(generate_node_acls
, S_IRUGO
| S_IWUSR
);
951 Define tcm_qla2xxx_attrib_s_cache_dynamic_acls
953 DEF_QLA_TPG_ATTR_BOOL(cache_dynamic_acls
);
954 DEF_QLA_TPG_ATTRIB(cache_dynamic_acls
);
955 QLA_TPG_ATTR(cache_dynamic_acls
, S_IRUGO
| S_IWUSR
);
958 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_write_protect
960 DEF_QLA_TPG_ATTR_BOOL(demo_mode_write_protect
);
961 DEF_QLA_TPG_ATTRIB(demo_mode_write_protect
);
962 QLA_TPG_ATTR(demo_mode_write_protect
, S_IRUGO
| S_IWUSR
);
965 * Define tcm_qla2xxx_tpg_attrib_s_prod_mode_write_protect
967 DEF_QLA_TPG_ATTR_BOOL(prod_mode_write_protect
);
968 DEF_QLA_TPG_ATTRIB(prod_mode_write_protect
);
969 QLA_TPG_ATTR(prod_mode_write_protect
, S_IRUGO
| S_IWUSR
);
972 * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_login_only
974 DEF_QLA_TPG_ATTR_BOOL(demo_mode_login_only
);
975 DEF_QLA_TPG_ATTRIB(demo_mode_login_only
);
976 QLA_TPG_ATTR(demo_mode_login_only
, S_IRUGO
| S_IWUSR
);
978 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrib_attrs
[] = {
979 &tcm_qla2xxx_tpg_attrib_generate_node_acls
.attr
,
980 &tcm_qla2xxx_tpg_attrib_cache_dynamic_acls
.attr
,
981 &tcm_qla2xxx_tpg_attrib_demo_mode_write_protect
.attr
,
982 &tcm_qla2xxx_tpg_attrib_prod_mode_write_protect
.attr
,
983 &tcm_qla2xxx_tpg_attrib_demo_mode_login_only
.attr
,
987 /* End items for tcm_qla2xxx_tpg_attrib_cit */
989 static ssize_t
tcm_qla2xxx_tpg_show_enable(
990 struct se_portal_group
*se_tpg
,
993 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
994 struct tcm_qla2xxx_tpg
, se_tpg
);
996 return snprintf(page
, PAGE_SIZE
, "%d\n",
997 atomic_read(&tpg
->lport_tpg_enabled
));
1000 static void tcm_qla2xxx_depend_tpg(struct work_struct
*work
)
1002 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
1003 struct tcm_qla2xxx_tpg
, tpg_base_work
);
1004 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
1005 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
1007 if (!configfs_depend_item(se_tpg
->se_tpg_tfo
->tf_subsys
,
1008 &se_tpg
->tpg_group
.cg_item
)) {
1009 atomic_set(&base_tpg
->lport_tpg_enabled
, 1);
1010 qlt_enable_vha(base_vha
);
1012 complete(&base_tpg
->tpg_base_comp
);
1015 static void tcm_qla2xxx_undepend_tpg(struct work_struct
*work
)
1017 struct tcm_qla2xxx_tpg
*base_tpg
= container_of(work
,
1018 struct tcm_qla2xxx_tpg
, tpg_base_work
);
1019 struct se_portal_group
*se_tpg
= &base_tpg
->se_tpg
;
1020 struct scsi_qla_host
*base_vha
= base_tpg
->lport
->qla_vha
;
1022 if (!qlt_stop_phase1(base_vha
->vha_tgt
.qla_tgt
)) {
1023 atomic_set(&base_tpg
->lport_tpg_enabled
, 0);
1024 configfs_undepend_item(se_tpg
->se_tpg_tfo
->tf_subsys
,
1025 &se_tpg
->tpg_group
.cg_item
);
1027 complete(&base_tpg
->tpg_base_comp
);
1030 static ssize_t
tcm_qla2xxx_tpg_store_enable(
1031 struct se_portal_group
*se_tpg
,
1035 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1036 struct tcm_qla2xxx_tpg
, se_tpg
);
1040 rc
= kstrtoul(page
, 0, &op
);
1042 pr_err("kstrtoul() returned %d\n", rc
);
1045 if ((op
!= 1) && (op
!= 0)) {
1046 pr_err("Illegal value for tpg_enable: %lu\n", op
);
1050 if (atomic_read(&tpg
->lport_tpg_enabled
))
1053 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_depend_tpg
);
1055 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1058 INIT_WORK(&tpg
->tpg_base_work
, tcm_qla2xxx_undepend_tpg
);
1060 init_completion(&tpg
->tpg_base_comp
);
1061 schedule_work(&tpg
->tpg_base_work
);
1062 wait_for_completion(&tpg
->tpg_base_comp
);
1065 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1068 if (atomic_read(&tpg
->lport_tpg_enabled
))
1074 TF_TPG_BASE_ATTR(tcm_qla2xxx
, enable
, S_IRUGO
| S_IWUSR
);
1076 static struct configfs_attribute
*tcm_qla2xxx_tpg_attrs
[] = {
1077 &tcm_qla2xxx_tpg_enable
.attr
,
1081 static struct se_portal_group
*tcm_qla2xxx_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
);
1098 pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
1099 return ERR_PTR(-ENOSYS
);
1102 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
1104 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
1105 return ERR_PTR(-ENOMEM
);
1108 tpg
->lport_tpgt
= tpgt
;
1110 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
1113 tpg
->tpg_attrib
.generate_node_acls
= 1;
1114 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1115 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1116 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1118 ret
= core_tpg_register(&tcm_qla2xxx_fabric_configfs
->tf_ops
, wwn
,
1119 &tpg
->se_tpg
, tpg
, TRANSPORT_TPG_TYPE_NORMAL
);
1127 return &tpg
->se_tpg
;
1130 static void tcm_qla2xxx_drop_tpg(struct se_portal_group
*se_tpg
)
1132 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1133 struct tcm_qla2xxx_tpg
, se_tpg
);
1134 struct tcm_qla2xxx_lport
*lport
= tpg
->lport
;
1135 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1137 * Call into qla2x_target.c LLD logic to shutdown the active
1138 * FC Nexuses and disable target mode operation for this qla_hw_data
1140 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stop
)
1141 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1143 core_tpg_deregister(se_tpg
);
1145 * Clear local TPG=1 pointer for non NPIV mode.
1147 lport
->tpg_1
= NULL
;
1151 static ssize_t
tcm_qla2xxx_npiv_tpg_show_enable(
1152 struct se_portal_group
*se_tpg
,
1155 return tcm_qla2xxx_tpg_show_enable(se_tpg
, page
);
1158 static ssize_t
tcm_qla2xxx_npiv_tpg_store_enable(
1159 struct se_portal_group
*se_tpg
,
1163 struct se_wwn
*se_wwn
= se_tpg
->se_tpg_wwn
;
1164 struct tcm_qla2xxx_lport
*lport
= container_of(se_wwn
,
1165 struct tcm_qla2xxx_lport
, lport_wwn
);
1166 struct scsi_qla_host
*vha
= lport
->qla_vha
;
1167 struct tcm_qla2xxx_tpg
*tpg
= container_of(se_tpg
,
1168 struct tcm_qla2xxx_tpg
, se_tpg
);
1172 rc
= kstrtoul(page
, 0, &op
);
1174 pr_err("kstrtoul() returned %d\n", rc
);
1177 if ((op
!= 1) && (op
!= 0)) {
1178 pr_err("Illegal value for tpg_enable: %lu\n", op
);
1182 if (atomic_read(&tpg
->lport_tpg_enabled
))
1185 atomic_set(&tpg
->lport_tpg_enabled
, 1);
1186 qlt_enable_vha(vha
);
1188 if (!atomic_read(&tpg
->lport_tpg_enabled
))
1191 atomic_set(&tpg
->lport_tpg_enabled
, 0);
1192 qlt_stop_phase1(vha
->vha_tgt
.qla_tgt
);
1198 TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv
, enable
, S_IRUGO
| S_IWUSR
);
1200 static struct configfs_attribute
*tcm_qla2xxx_npiv_tpg_attrs
[] = {
1201 &tcm_qla2xxx_npiv_tpg_enable
.attr
,
1205 static struct se_portal_group
*tcm_qla2xxx_npiv_make_tpg(
1207 struct config_group
*group
,
1210 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1211 struct tcm_qla2xxx_lport
, lport_wwn
);
1212 struct tcm_qla2xxx_tpg
*tpg
;
1216 if (strstr(name
, "tpgt_") != name
)
1217 return ERR_PTR(-EINVAL
);
1218 if (kstrtoul(name
+ 5, 10, &tpgt
) || tpgt
> USHRT_MAX
)
1219 return ERR_PTR(-EINVAL
);
1221 tpg
= kzalloc(sizeof(struct tcm_qla2xxx_tpg
), GFP_KERNEL
);
1223 pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
1224 return ERR_PTR(-ENOMEM
);
1227 tpg
->lport_tpgt
= tpgt
;
1230 * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
1233 tpg
->tpg_attrib
.generate_node_acls
= 1;
1234 tpg
->tpg_attrib
.demo_mode_write_protect
= 1;
1235 tpg
->tpg_attrib
.cache_dynamic_acls
= 1;
1236 tpg
->tpg_attrib
.demo_mode_login_only
= 1;
1238 ret
= core_tpg_register(&tcm_qla2xxx_npiv_fabric_configfs
->tf_ops
, wwn
,
1239 &tpg
->se_tpg
, tpg
, TRANSPORT_TPG_TYPE_NORMAL
);
1245 return &tpg
->se_tpg
;
1249 * Expected to be called with struct qla_hw_data->hardware_lock held
1251 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_s_id(
1252 scsi_qla_host_t
*vha
,
1253 const uint8_t *s_id
)
1255 struct tcm_qla2xxx_lport
*lport
;
1256 struct se_node_acl
*se_nacl
;
1257 struct tcm_qla2xxx_nacl
*nacl
;
1260 lport
= vha
->vha_tgt
.target_lport_ptr
;
1262 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1267 key
= (((unsigned long)s_id
[0] << 16) |
1268 ((unsigned long)s_id
[1] << 8) |
1269 (unsigned long)s_id
[2]);
1270 pr_debug("find_sess_by_s_id: 0x%06x\n", key
);
1272 se_nacl
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1274 pr_debug("Unable to locate s_id: 0x%06x\n", key
);
1277 pr_debug("find_sess_by_s_id: located se_nacl: %p, initiatorname: %s\n",
1278 se_nacl
, se_nacl
->initiatorname
);
1280 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1281 if (!nacl
->qla_tgt_sess
) {
1282 pr_err("Unable to locate struct qla_tgt_sess\n");
1286 return nacl
->qla_tgt_sess
;
1290 * Expected to be called with struct qla_hw_data->hardware_lock held
1292 static void tcm_qla2xxx_set_sess_by_s_id(
1293 struct tcm_qla2xxx_lport
*lport
,
1294 struct se_node_acl
*new_se_nacl
,
1295 struct tcm_qla2xxx_nacl
*nacl
,
1296 struct se_session
*se_sess
,
1297 struct qla_tgt_sess
*qla_tgt_sess
,
1304 key
= (((unsigned long)s_id
[0] << 16) |
1305 ((unsigned long)s_id
[1] << 8) |
1306 (unsigned long)s_id
[2]);
1307 pr_debug("set_sess_by_s_id: %06x\n", key
);
1309 slot
= btree_lookup32(&lport
->lport_fcport_map
, key
);
1312 pr_debug("Setting up new fc_port entry to new_se_nacl\n");
1313 nacl
->nport_id
= key
;
1314 rc
= btree_insert32(&lport
->lport_fcport_map
, key
,
1315 new_se_nacl
, GFP_ATOMIC
);
1317 printk(KERN_ERR
"Unable to insert s_id into fcport_map: %06x\n",
1320 pr_debug("Wiping nonexisting fc_port entry\n");
1323 qla_tgt_sess
->se_sess
= se_sess
;
1324 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1328 if (nacl
->qla_tgt_sess
) {
1329 if (new_se_nacl
== NULL
) {
1330 pr_debug("Clearing existing nacl->qla_tgt_sess and fc_port entry\n");
1331 btree_remove32(&lport
->lport_fcport_map
, key
);
1332 nacl
->qla_tgt_sess
= NULL
;
1335 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_port entry\n");
1336 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1337 qla_tgt_sess
->se_sess
= se_sess
;
1338 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1342 if (new_se_nacl
== NULL
) {
1343 pr_debug("Clearing existing fc_port entry\n");
1344 btree_remove32(&lport
->lport_fcport_map
, key
);
1348 pr_debug("Replacing existing fc_port entry w/o active nacl->qla_tgt_sess\n");
1349 btree_update32(&lport
->lport_fcport_map
, key
, new_se_nacl
);
1350 qla_tgt_sess
->se_sess
= se_sess
;
1351 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1353 pr_debug("Setup nacl->qla_tgt_sess %p by s_id for se_nacl: %p, initiatorname: %s\n",
1354 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1358 * Expected to be called with struct qla_hw_data->hardware_lock held
1360 static struct qla_tgt_sess
*tcm_qla2xxx_find_sess_by_loop_id(
1361 scsi_qla_host_t
*vha
,
1362 const uint16_t loop_id
)
1364 struct tcm_qla2xxx_lport
*lport
;
1365 struct se_node_acl
*se_nacl
;
1366 struct tcm_qla2xxx_nacl
*nacl
;
1367 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1369 lport
= vha
->vha_tgt
.target_lport_ptr
;
1371 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1376 pr_debug("find_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1378 fc_loopid
= lport
->lport_loopid_map
+ loop_id
;
1379 se_nacl
= fc_loopid
->se_nacl
;
1381 pr_debug("Unable to locate se_nacl by loop_id: 0x%04x\n",
1386 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1388 if (!nacl
->qla_tgt_sess
) {
1389 pr_err("Unable to locate struct qla_tgt_sess\n");
1393 return nacl
->qla_tgt_sess
;
1397 * Expected to be called with struct qla_hw_data->hardware_lock held
1399 static void tcm_qla2xxx_set_sess_by_loop_id(
1400 struct tcm_qla2xxx_lport
*lport
,
1401 struct se_node_acl
*new_se_nacl
,
1402 struct tcm_qla2xxx_nacl
*nacl
,
1403 struct se_session
*se_sess
,
1404 struct qla_tgt_sess
*qla_tgt_sess
,
1407 struct se_node_acl
*saved_nacl
;
1408 struct tcm_qla2xxx_fc_loopid
*fc_loopid
;
1410 pr_debug("set_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id
);
1412 fc_loopid
= &((struct tcm_qla2xxx_fc_loopid
*)
1413 lport
->lport_loopid_map
)[loop_id
];
1415 saved_nacl
= fc_loopid
->se_nacl
;
1417 pr_debug("Setting up new fc_loopid->se_nacl to new_se_nacl\n");
1418 fc_loopid
->se_nacl
= new_se_nacl
;
1419 if (qla_tgt_sess
->se_sess
!= se_sess
)
1420 qla_tgt_sess
->se_sess
= se_sess
;
1421 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1422 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1426 if (nacl
->qla_tgt_sess
) {
1427 if (new_se_nacl
== NULL
) {
1428 pr_debug("Clearing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1429 fc_loopid
->se_nacl
= NULL
;
1430 nacl
->qla_tgt_sess
= NULL
;
1434 pr_debug("Replacing existing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
1435 fc_loopid
->se_nacl
= new_se_nacl
;
1436 if (qla_tgt_sess
->se_sess
!= se_sess
)
1437 qla_tgt_sess
->se_sess
= se_sess
;
1438 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1439 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1443 if (new_se_nacl
== NULL
) {
1444 pr_debug("Clearing fc_loopid->se_nacl\n");
1445 fc_loopid
->se_nacl
= NULL
;
1449 pr_debug("Replacing existing fc_loopid->se_nacl w/o active nacl->qla_tgt_sess\n");
1450 fc_loopid
->se_nacl
= new_se_nacl
;
1451 if (qla_tgt_sess
->se_sess
!= se_sess
)
1452 qla_tgt_sess
->se_sess
= se_sess
;
1453 if (nacl
->qla_tgt_sess
!= qla_tgt_sess
)
1454 nacl
->qla_tgt_sess
= qla_tgt_sess
;
1456 pr_debug("Setup nacl->qla_tgt_sess %p by loop_id for se_nacl: %p, initiatorname: %s\n",
1457 nacl
->qla_tgt_sess
, new_se_nacl
, new_se_nacl
->initiatorname
);
1461 * Should always be called with qla_hw_data->hardware_lock held.
1463 static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport
*lport
,
1464 struct tcm_qla2xxx_nacl
*nacl
, struct qla_tgt_sess
*sess
)
1466 struct se_session
*se_sess
= sess
->se_sess
;
1467 unsigned char be_sid
[3];
1469 be_sid
[0] = sess
->s_id
.b
.domain
;
1470 be_sid
[1] = sess
->s_id
.b
.area
;
1471 be_sid
[2] = sess
->s_id
.b
.al_pa
;
1473 tcm_qla2xxx_set_sess_by_s_id(lport
, NULL
, nacl
, se_sess
,
1475 tcm_qla2xxx_set_sess_by_loop_id(lport
, NULL
, nacl
, se_sess
,
1476 sess
, sess
->loop_id
);
1479 static void tcm_qla2xxx_free_session(struct qla_tgt_sess
*sess
)
1481 struct qla_tgt
*tgt
= sess
->tgt
;
1482 struct qla_hw_data
*ha
= tgt
->ha
;
1483 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1484 struct se_session
*se_sess
;
1485 struct se_node_acl
*se_nacl
;
1486 struct tcm_qla2xxx_lport
*lport
;
1487 struct tcm_qla2xxx_nacl
*nacl
;
1489 BUG_ON(in_interrupt());
1491 se_sess
= sess
->se_sess
;
1493 pr_err("struct qla_tgt_sess->se_sess is NULL\n");
1497 se_nacl
= se_sess
->se_node_acl
;
1498 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1500 lport
= vha
->vha_tgt
.target_lport_ptr
;
1502 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1506 target_wait_for_sess_cmds(se_sess
);
1508 transport_deregister_session_configfs(sess
->se_sess
);
1509 transport_deregister_session(sess
->se_sess
);
1513 * Called via qlt_create_sess():ha->qla2x_tmpl->check_initiator_node_acl()
1514 * to locate struct se_node_acl
1516 static int tcm_qla2xxx_check_initiator_node_acl(
1517 scsi_qla_host_t
*vha
,
1518 unsigned char *fc_wwpn
,
1523 struct qla_hw_data
*ha
= vha
->hw
;
1524 struct tcm_qla2xxx_lport
*lport
;
1525 struct tcm_qla2xxx_tpg
*tpg
;
1526 struct tcm_qla2xxx_nacl
*nacl
;
1527 struct se_portal_group
*se_tpg
;
1528 struct se_node_acl
*se_nacl
;
1529 struct se_session
*se_sess
;
1530 struct qla_tgt_sess
*sess
= qla_tgt_sess
;
1531 unsigned char port_name
[36];
1532 unsigned long flags
;
1533 int num_tags
= (ha
->fw_xcb_count
) ? ha
->fw_xcb_count
:
1534 TCM_QLA2XXX_DEFAULT_TAGS
;
1536 lport
= vha
->vha_tgt
.target_lport_ptr
;
1538 pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
1543 * Locate the TPG=1 reference..
1547 pr_err("Unable to lcoate struct tcm_qla2xxx_lport->tpg_1\n");
1550 se_tpg
= &tpg
->se_tpg
;
1552 se_sess
= transport_init_session_tags(num_tags
,
1553 sizeof(struct qla_tgt_cmd
),
1554 TARGET_PROT_NORMAL
);
1555 if (IS_ERR(se_sess
)) {
1556 pr_err("Unable to initialize struct se_session\n");
1557 return PTR_ERR(se_sess
);
1560 * Format the FCP Initiator port_name into colon seperated values to
1561 * match the format by tcm_qla2xxx explict ConfigFS NodeACLs.
1563 memset(&port_name
, 0, 36);
1564 snprintf(port_name
, 36, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1565 fc_wwpn
[0], fc_wwpn
[1], fc_wwpn
[2], fc_wwpn
[3], fc_wwpn
[4],
1566 fc_wwpn
[5], fc_wwpn
[6], fc_wwpn
[7]);
1568 * Locate our struct se_node_acl either from an explict NodeACL created
1569 * via ConfigFS, or via running in TPG demo mode.
1571 se_sess
->se_node_acl
= core_tpg_check_initiator_node_acl(se_tpg
,
1573 if (!se_sess
->se_node_acl
) {
1574 transport_free_session(se_sess
);
1577 se_nacl
= se_sess
->se_node_acl
;
1578 nacl
= container_of(se_nacl
, struct tcm_qla2xxx_nacl
, se_node_acl
);
1580 * And now setup the new se_nacl and session pointers into our HW lport
1581 * mappings for fabric S_ID and LOOP_ID.
1583 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1584 tcm_qla2xxx_set_sess_by_s_id(lport
, se_nacl
, nacl
, se_sess
,
1585 qla_tgt_sess
, s_id
);
1586 tcm_qla2xxx_set_sess_by_loop_id(lport
, se_nacl
, nacl
, se_sess
,
1587 qla_tgt_sess
, loop_id
);
1588 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1590 * Finally register the new FC Nexus with TCM
1592 __transport_register_session(se_nacl
->se_tpg
, se_nacl
, se_sess
, sess
);
1597 static void tcm_qla2xxx_update_sess(struct qla_tgt_sess
*sess
, port_id_t s_id
,
1598 uint16_t loop_id
, bool conf_compl_supported
)
1600 struct qla_tgt
*tgt
= sess
->tgt
;
1601 struct qla_hw_data
*ha
= tgt
->ha
;
1602 scsi_qla_host_t
*vha
= pci_get_drvdata(ha
->pdev
);
1603 struct tcm_qla2xxx_lport
*lport
= vha
->vha_tgt
.target_lport_ptr
;
1604 struct se_node_acl
*se_nacl
= sess
->se_sess
->se_node_acl
;
1605 struct tcm_qla2xxx_nacl
*nacl
= container_of(se_nacl
,
1606 struct tcm_qla2xxx_nacl
, se_node_acl
);
1610 if (sess
->loop_id
!= loop_id
|| sess
->s_id
.b24
!= s_id
.b24
)
1611 pr_info("Updating session %p from port %8phC loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n",
1612 sess
, sess
->port_name
,
1613 sess
->loop_id
, loop_id
, sess
->s_id
.b
.domain
,
1614 sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
, s_id
.b
.domain
,
1615 s_id
.b
.area
, s_id
.b
.al_pa
);
1617 if (sess
->loop_id
!= loop_id
) {
1619 * Because we can shuffle loop IDs around and we
1620 * update different sessions non-atomically, we might
1621 * have overwritten this session's old loop ID
1622 * already, and we might end up overwriting some other
1623 * session that will be updated later. So we have to
1624 * be extra careful and we can't warn about those things...
1626 if (lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
== se_nacl
)
1627 lport
->lport_loopid_map
[sess
->loop_id
].se_nacl
= NULL
;
1629 lport
->lport_loopid_map
[loop_id
].se_nacl
= se_nacl
;
1631 sess
->loop_id
= loop_id
;
1634 if (sess
->s_id
.b24
!= s_id
.b24
) {
1635 key
= (((u32
) sess
->s_id
.b
.domain
<< 16) |
1636 ((u32
) sess
->s_id
.b
.area
<< 8) |
1637 ((u32
) sess
->s_id
.b
.al_pa
));
1639 if (btree_lookup32(&lport
->lport_fcport_map
, key
))
1640 WARN(btree_remove32(&lport
->lport_fcport_map
, key
) != se_nacl
,
1641 "Found wrong se_nacl when updating s_id %x:%x:%x\n",
1642 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1644 WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n",
1645 sess
->s_id
.b
.domain
, sess
->s_id
.b
.area
, sess
->s_id
.b
.al_pa
);
1647 key
= (((u32
) s_id
.b
.domain
<< 16) |
1648 ((u32
) s_id
.b
.area
<< 8) |
1649 ((u32
) s_id
.b
.al_pa
));
1651 if (btree_lookup32(&lport
->lport_fcport_map
, key
)) {
1652 WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n",
1653 s_id
.b
.domain
, s_id
.b
.area
, s_id
.b
.al_pa
);
1654 btree_update32(&lport
->lport_fcport_map
, key
, se_nacl
);
1656 btree_insert32(&lport
->lport_fcport_map
, key
, se_nacl
, GFP_ATOMIC
);
1660 nacl
->nport_id
= key
;
1663 sess
->conf_compl_supported
= conf_compl_supported
;
1667 * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
1669 static struct qla_tgt_func_tmpl tcm_qla2xxx_template
= {
1670 .handle_cmd
= tcm_qla2xxx_handle_cmd
,
1671 .handle_data
= tcm_qla2xxx_handle_data
,
1672 .handle_dif_err
= tcm_qla2xxx_handle_dif_err
,
1673 .handle_tmr
= tcm_qla2xxx_handle_tmr
,
1674 .free_cmd
= tcm_qla2xxx_free_cmd
,
1675 .free_mcmd
= tcm_qla2xxx_free_mcmd
,
1676 .free_session
= tcm_qla2xxx_free_session
,
1677 .update_sess
= tcm_qla2xxx_update_sess
,
1678 .check_initiator_node_acl
= tcm_qla2xxx_check_initiator_node_acl
,
1679 .find_sess_by_s_id
= tcm_qla2xxx_find_sess_by_s_id
,
1680 .find_sess_by_loop_id
= tcm_qla2xxx_find_sess_by_loop_id
,
1681 .clear_nacl_from_fcport_map
= tcm_qla2xxx_clear_nacl_from_fcport_map
,
1682 .put_sess
= tcm_qla2xxx_put_sess
,
1683 .shutdown_sess
= tcm_qla2xxx_shutdown_sess
,
1686 static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport
*lport
)
1690 rc
= btree_init32(&lport
->lport_fcport_map
);
1692 pr_err("Unable to initialize lport->lport_fcport_map btree\n");
1696 lport
->lport_loopid_map
= vmalloc(sizeof(struct tcm_qla2xxx_fc_loopid
) *
1698 if (!lport
->lport_loopid_map
) {
1699 pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
1700 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1701 btree_destroy32(&lport
->lport_fcport_map
);
1704 memset(lport
->lport_loopid_map
, 0, sizeof(struct tcm_qla2xxx_fc_loopid
)
1706 pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
1707 sizeof(struct tcm_qla2xxx_fc_loopid
) * 65536);
1711 static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host
*vha
,
1712 void *target_lport_ptr
,
1713 u64 npiv_wwpn
, u64 npiv_wwnn
)
1715 struct qla_hw_data
*ha
= vha
->hw
;
1716 struct tcm_qla2xxx_lport
*lport
=
1717 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1719 * Setup tgt_ops, local pointer to vha and target_lport_ptr
1721 ha
->tgt
.tgt_ops
= &tcm_qla2xxx_template
;
1722 vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1723 lport
->qla_vha
= vha
;
1728 static struct se_wwn
*tcm_qla2xxx_make_lport(
1729 struct target_fabric_configfs
*tf
,
1730 struct config_group
*group
,
1733 struct tcm_qla2xxx_lport
*lport
;
1737 if (tcm_qla2xxx_parse_wwn(name
, &wwpn
, 1) < 0)
1738 return ERR_PTR(-EINVAL
);
1740 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1742 pr_err("Unable to allocate struct tcm_qla2xxx_lport\n");
1743 return ERR_PTR(-ENOMEM
);
1745 lport
->lport_wwpn
= wwpn
;
1746 tcm_qla2xxx_format_wwn(&lport
->lport_name
[0], TCM_QLA2XXX_NAMELEN
,
1748 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) wwpn
);
1750 ret
= tcm_qla2xxx_init_lport(lport
);
1754 ret
= qlt_lport_register(lport
, wwpn
, 0, 0,
1755 tcm_qla2xxx_lport_register_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_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
*vha
= lport
->qla_vha
;
1773 struct se_node_acl
*node
;
1777 * Call into qla2x_target.c LLD logic to complete the
1778 * shutdown of struct qla_tgt after the call to
1779 * qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
1781 if (vha
->vha_tgt
.qla_tgt
&& !vha
->vha_tgt
.qla_tgt
->tgt_stopped
)
1782 qlt_stop_phase2(vha
->vha_tgt
.qla_tgt
);
1784 qlt_lport_deregister(vha
);
1786 vfree(lport
->lport_loopid_map
);
1787 btree_for_each_safe32(&lport
->lport_fcport_map
, key
, node
)
1788 btree_remove32(&lport
->lport_fcport_map
, key
);
1789 btree_destroy32(&lport
->lport_fcport_map
);
1793 static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host
*base_vha
,
1794 void *target_lport_ptr
,
1795 u64 npiv_wwpn
, u64 npiv_wwnn
)
1797 struct fc_vport
*vport
;
1798 struct Scsi_Host
*sh
= base_vha
->host
;
1799 struct scsi_qla_host
*npiv_vha
;
1800 struct tcm_qla2xxx_lport
*lport
=
1801 (struct tcm_qla2xxx_lport
*)target_lport_ptr
;
1802 struct tcm_qla2xxx_lport
*base_lport
=
1803 (struct tcm_qla2xxx_lport
*)base_vha
->vha_tgt
.target_lport_ptr
;
1804 struct tcm_qla2xxx_tpg
*base_tpg
;
1805 struct fc_vport_identifiers vport_id
;
1807 if (!qla_tgt_mode_enabled(base_vha
)) {
1808 pr_err("qla2xxx base_vha not enabled for target mode\n");
1812 if (!base_lport
|| !base_lport
->tpg_1
||
1813 !atomic_read(&base_lport
->tpg_1
->lport_tpg_enabled
)) {
1814 pr_err("qla2xxx base_lport or tpg_1 not available\n");
1817 base_tpg
= base_lport
->tpg_1
;
1819 memset(&vport_id
, 0, sizeof(vport_id
));
1820 vport_id
.port_name
= npiv_wwpn
;
1821 vport_id
.node_name
= npiv_wwnn
;
1822 vport_id
.roles
= FC_PORT_ROLE_FCP_INITIATOR
;
1823 vport_id
.vport_type
= FC_PORTTYPE_NPIV
;
1824 vport_id
.disable
= false;
1826 vport
= fc_vport_create(sh
, 0, &vport_id
);
1828 pr_err("fc_vport_create failed for qla2xxx_npiv\n");
1832 * Setup local pointer to NPIV vhba + target_lport_ptr
1834 npiv_vha
= (struct scsi_qla_host
*)vport
->dd_data
;
1835 npiv_vha
->vha_tgt
.target_lport_ptr
= target_lport_ptr
;
1836 lport
->qla_vha
= npiv_vha
;
1837 scsi_host_get(npiv_vha
->host
);
1842 static struct se_wwn
*tcm_qla2xxx_npiv_make_lport(
1843 struct target_fabric_configfs
*tf
,
1844 struct config_group
*group
,
1847 struct tcm_qla2xxx_lport
*lport
;
1848 u64 phys_wwpn
, npiv_wwpn
, npiv_wwnn
;
1852 snprintf(tmp
, 128, "%s", name
);
1854 p
= strchr(tmp
, '@');
1856 pr_err("Unable to locate NPIV '@' seperator\n");
1857 return ERR_PTR(-EINVAL
);
1861 if (tcm_qla2xxx_parse_wwn(tmp
, &phys_wwpn
, 1) < 0)
1862 return ERR_PTR(-EINVAL
);
1864 if (tcm_qla2xxx_npiv_parse_wwn(p
, strlen(p
)+1,
1865 &npiv_wwpn
, &npiv_wwnn
) < 0)
1866 return ERR_PTR(-EINVAL
);
1868 lport
= kzalloc(sizeof(struct tcm_qla2xxx_lport
), GFP_KERNEL
);
1870 pr_err("Unable to allocate struct tcm_qla2xxx_lport for NPIV\n");
1871 return ERR_PTR(-ENOMEM
);
1873 lport
->lport_npiv_wwpn
= npiv_wwpn
;
1874 lport
->lport_npiv_wwnn
= npiv_wwnn
;
1875 sprintf(lport
->lport_naa_name
, "naa.%016llx", (unsigned long long) npiv_wwpn
);
1877 ret
= tcm_qla2xxx_init_lport(lport
);
1881 ret
= qlt_lport_register(lport
, phys_wwpn
, npiv_wwpn
, npiv_wwnn
,
1882 tcm_qla2xxx_lport_register_npiv_cb
);
1886 return &lport
->lport_wwn
;
1888 vfree(lport
->lport_loopid_map
);
1889 btree_destroy32(&lport
->lport_fcport_map
);
1892 return ERR_PTR(ret
);
1895 static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn
*wwn
)
1897 struct tcm_qla2xxx_lport
*lport
= container_of(wwn
,
1898 struct tcm_qla2xxx_lport
, lport_wwn
);
1899 struct scsi_qla_host
*npiv_vha
= lport
->qla_vha
;
1900 struct qla_hw_data
*ha
= npiv_vha
->hw
;
1901 scsi_qla_host_t
*base_vha
= pci_get_drvdata(ha
->pdev
);
1903 scsi_host_put(npiv_vha
->host
);
1905 * Notify libfc that we want to release the vha->fc_vport
1907 fc_vport_terminate(npiv_vha
->fc_vport
);
1908 scsi_host_put(base_vha
->host
);
1913 static ssize_t
tcm_qla2xxx_wwn_show_attr_version(
1914 struct target_fabric_configfs
*tf
,
1917 return sprintf(page
,
1918 "TCM QLOGIC QLA2XXX NPIV capable fabric module %s on %s/%s on "
1919 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
1920 utsname()->machine
);
1923 TF_WWN_ATTR_RO(tcm_qla2xxx
, version
);
1925 static struct configfs_attribute
*tcm_qla2xxx_wwn_attrs
[] = {
1926 &tcm_qla2xxx_wwn_version
.attr
,
1930 static struct target_core_fabric_ops tcm_qla2xxx_ops
= {
1931 .get_fabric_name
= tcm_qla2xxx_get_fabric_name
,
1932 .get_fabric_proto_ident
= tcm_qla2xxx_get_fabric_proto_ident
,
1933 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1934 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1935 .tpg_get_default_depth
= tcm_qla2xxx_get_default_depth
,
1936 .tpg_get_pr_transport_id
= tcm_qla2xxx_get_pr_transport_id
,
1937 .tpg_get_pr_transport_id_len
= tcm_qla2xxx_get_pr_transport_id_len
,
1938 .tpg_parse_pr_out_transport_id
= tcm_qla2xxx_parse_pr_out_transport_id
,
1939 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1940 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1941 .tpg_check_demo_mode_write_protect
=
1942 tcm_qla2xxx_check_demo_write_protect
,
1943 .tpg_check_prod_mode_write_protect
=
1944 tcm_qla2xxx_check_prod_write_protect
,
1945 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1946 .tpg_alloc_fabric_acl
= tcm_qla2xxx_alloc_fabric_acl
,
1947 .tpg_release_fabric_acl
= tcm_qla2xxx_release_fabric_acl
,
1948 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1949 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
1950 .release_cmd
= tcm_qla2xxx_release_cmd
,
1951 .put_session
= tcm_qla2xxx_put_session
,
1952 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
1953 .close_session
= tcm_qla2xxx_close_session
,
1954 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
1955 .sess_get_initiator_sid
= NULL
,
1956 .write_pending
= tcm_qla2xxx_write_pending
,
1957 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
1958 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
1959 .get_task_tag
= tcm_qla2xxx_get_task_tag
,
1960 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
1961 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
1962 .queue_status
= tcm_qla2xxx_queue_status
,
1963 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
1964 .aborted_task
= tcm_qla2xxx_aborted_task
,
1966 * Setup function pointers for generic logic in
1967 * target_core_fabric_configfs.c
1969 .fabric_make_wwn
= tcm_qla2xxx_make_lport
,
1970 .fabric_drop_wwn
= tcm_qla2xxx_drop_lport
,
1971 .fabric_make_tpg
= tcm_qla2xxx_make_tpg
,
1972 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
1973 .fabric_post_link
= NULL
,
1974 .fabric_pre_unlink
= NULL
,
1975 .fabric_make_np
= NULL
,
1976 .fabric_drop_np
= NULL
,
1977 .fabric_make_nodeacl
= tcm_qla2xxx_make_nodeacl
,
1978 .fabric_drop_nodeacl
= tcm_qla2xxx_drop_nodeacl
,
1981 static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops
= {
1982 .get_fabric_name
= tcm_qla2xxx_npiv_get_fabric_name
,
1983 .get_fabric_proto_ident
= tcm_qla2xxx_get_fabric_proto_ident
,
1984 .tpg_get_wwn
= tcm_qla2xxx_get_fabric_wwn
,
1985 .tpg_get_tag
= tcm_qla2xxx_get_tag
,
1986 .tpg_get_default_depth
= tcm_qla2xxx_get_default_depth
,
1987 .tpg_get_pr_transport_id
= tcm_qla2xxx_get_pr_transport_id
,
1988 .tpg_get_pr_transport_id_len
= tcm_qla2xxx_get_pr_transport_id_len
,
1989 .tpg_parse_pr_out_transport_id
= tcm_qla2xxx_parse_pr_out_transport_id
,
1990 .tpg_check_demo_mode
= tcm_qla2xxx_check_demo_mode
,
1991 .tpg_check_demo_mode_cache
= tcm_qla2xxx_check_demo_mode_cache
,
1992 .tpg_check_demo_mode_write_protect
= tcm_qla2xxx_check_demo_mode
,
1993 .tpg_check_prod_mode_write_protect
=
1994 tcm_qla2xxx_check_prod_write_protect
,
1995 .tpg_check_demo_mode_login_only
= tcm_qla2xxx_check_demo_mode_login_only
,
1996 .tpg_alloc_fabric_acl
= tcm_qla2xxx_alloc_fabric_acl
,
1997 .tpg_release_fabric_acl
= tcm_qla2xxx_release_fabric_acl
,
1998 .tpg_get_inst_index
= tcm_qla2xxx_tpg_get_inst_index
,
1999 .check_stop_free
= tcm_qla2xxx_check_stop_free
,
2000 .release_cmd
= tcm_qla2xxx_release_cmd
,
2001 .put_session
= tcm_qla2xxx_put_session
,
2002 .shutdown_session
= tcm_qla2xxx_shutdown_session
,
2003 .close_session
= tcm_qla2xxx_close_session
,
2004 .sess_get_index
= tcm_qla2xxx_sess_get_index
,
2005 .sess_get_initiator_sid
= NULL
,
2006 .write_pending
= tcm_qla2xxx_write_pending
,
2007 .write_pending_status
= tcm_qla2xxx_write_pending_status
,
2008 .set_default_node_attributes
= tcm_qla2xxx_set_default_node_attrs
,
2009 .get_task_tag
= tcm_qla2xxx_get_task_tag
,
2010 .get_cmd_state
= tcm_qla2xxx_get_cmd_state
,
2011 .queue_data_in
= tcm_qla2xxx_queue_data_in
,
2012 .queue_status
= tcm_qla2xxx_queue_status
,
2013 .queue_tm_rsp
= tcm_qla2xxx_queue_tm_rsp
,
2014 .aborted_task
= tcm_qla2xxx_aborted_task
,
2016 * Setup function pointers for generic logic in
2017 * target_core_fabric_configfs.c
2019 .fabric_make_wwn
= tcm_qla2xxx_npiv_make_lport
,
2020 .fabric_drop_wwn
= tcm_qla2xxx_npiv_drop_lport
,
2021 .fabric_make_tpg
= tcm_qla2xxx_npiv_make_tpg
,
2022 .fabric_drop_tpg
= tcm_qla2xxx_drop_tpg
,
2023 .fabric_post_link
= NULL
,
2024 .fabric_pre_unlink
= NULL
,
2025 .fabric_make_np
= NULL
,
2026 .fabric_drop_np
= NULL
,
2027 .fabric_make_nodeacl
= tcm_qla2xxx_make_nodeacl
,
2028 .fabric_drop_nodeacl
= tcm_qla2xxx_drop_nodeacl
,
2031 static int tcm_qla2xxx_register_configfs(void)
2033 struct target_fabric_configfs
*fabric
, *npiv_fabric
;
2036 pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on "
2037 UTS_RELEASE
"\n", TCM_QLA2XXX_VERSION
, utsname()->sysname
,
2038 utsname()->machine
);
2040 * Register the top level struct config_item_type with TCM core
2042 fabric
= target_fabric_configfs_init(THIS_MODULE
, "qla2xxx");
2043 if (IS_ERR(fabric
)) {
2044 pr_err("target_fabric_configfs_init() failed\n");
2045 return PTR_ERR(fabric
);
2048 * Setup fabric->tf_ops from our local tcm_qla2xxx_ops
2050 fabric
->tf_ops
= tcm_qla2xxx_ops
;
2052 * Setup default attribute lists for various fabric->tf_cit_tmpl
2054 fabric
->tf_cit_tmpl
.tfc_wwn_cit
.ct_attrs
= tcm_qla2xxx_wwn_attrs
;
2055 fabric
->tf_cit_tmpl
.tfc_tpg_base_cit
.ct_attrs
= tcm_qla2xxx_tpg_attrs
;
2056 fabric
->tf_cit_tmpl
.tfc_tpg_attrib_cit
.ct_attrs
=
2057 tcm_qla2xxx_tpg_attrib_attrs
;
2058 fabric
->tf_cit_tmpl
.tfc_tpg_param_cit
.ct_attrs
= NULL
;
2059 fabric
->tf_cit_tmpl
.tfc_tpg_np_base_cit
.ct_attrs
= NULL
;
2060 fabric
->tf_cit_tmpl
.tfc_tpg_nacl_base_cit
.ct_attrs
= NULL
;
2061 fabric
->tf_cit_tmpl
.tfc_tpg_nacl_attrib_cit
.ct_attrs
= NULL
;
2062 fabric
->tf_cit_tmpl
.tfc_tpg_nacl_auth_cit
.ct_attrs
= NULL
;
2063 fabric
->tf_cit_tmpl
.tfc_tpg_nacl_param_cit
.ct_attrs
= NULL
;
2065 * Register the fabric for use within TCM
2067 ret
= target_fabric_configfs_register(fabric
);
2069 pr_err("target_fabric_configfs_register() failed for TCM_QLA2XXX\n");
2073 * Setup our local pointer to *fabric
2075 tcm_qla2xxx_fabric_configfs
= fabric
;
2076 pr_debug("TCM_QLA2XXX[0] - Set fabric -> tcm_qla2xxx_fabric_configfs\n");
2079 * Register the top level struct config_item_type for NPIV with TCM core
2081 npiv_fabric
= target_fabric_configfs_init(THIS_MODULE
, "qla2xxx_npiv");
2082 if (IS_ERR(npiv_fabric
)) {
2083 pr_err("target_fabric_configfs_init() failed\n");
2084 ret
= PTR_ERR(npiv_fabric
);
2088 * Setup fabric->tf_ops from our local tcm_qla2xxx_npiv_ops
2090 npiv_fabric
->tf_ops
= tcm_qla2xxx_npiv_ops
;
2092 * Setup default attribute lists for various npiv_fabric->tf_cit_tmpl
2094 npiv_fabric
->tf_cit_tmpl
.tfc_wwn_cit
.ct_attrs
= tcm_qla2xxx_wwn_attrs
;
2095 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_base_cit
.ct_attrs
=
2096 tcm_qla2xxx_npiv_tpg_attrs
;
2097 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_attrib_cit
.ct_attrs
= NULL
;
2098 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_param_cit
.ct_attrs
= NULL
;
2099 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_np_base_cit
.ct_attrs
= NULL
;
2100 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_nacl_base_cit
.ct_attrs
= NULL
;
2101 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_nacl_attrib_cit
.ct_attrs
= NULL
;
2102 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_nacl_auth_cit
.ct_attrs
= NULL
;
2103 npiv_fabric
->tf_cit_tmpl
.tfc_tpg_nacl_param_cit
.ct_attrs
= NULL
;
2105 * Register the npiv_fabric for use within TCM
2107 ret
= target_fabric_configfs_register(npiv_fabric
);
2109 pr_err("target_fabric_configfs_register() failed for TCM_QLA2XXX\n");
2113 * Setup our local pointer to *npiv_fabric
2115 tcm_qla2xxx_npiv_fabric_configfs
= npiv_fabric
;
2116 pr_debug("TCM_QLA2XXX[0] - Set fabric -> tcm_qla2xxx_npiv_fabric_configfs\n");
2118 tcm_qla2xxx_free_wq
= alloc_workqueue("tcm_qla2xxx_free",
2120 if (!tcm_qla2xxx_free_wq
) {
2122 goto out_fabric_npiv
;
2125 tcm_qla2xxx_cmd_wq
= alloc_workqueue("tcm_qla2xxx_cmd", 0, 0);
2126 if (!tcm_qla2xxx_cmd_wq
) {
2134 destroy_workqueue(tcm_qla2xxx_free_wq
);
2136 target_fabric_configfs_deregister(tcm_qla2xxx_npiv_fabric_configfs
);
2138 target_fabric_configfs_deregister(tcm_qla2xxx_fabric_configfs
);
2142 static void tcm_qla2xxx_deregister_configfs(void)
2144 destroy_workqueue(tcm_qla2xxx_cmd_wq
);
2145 destroy_workqueue(tcm_qla2xxx_free_wq
);
2147 target_fabric_configfs_deregister(tcm_qla2xxx_fabric_configfs
);
2148 tcm_qla2xxx_fabric_configfs
= NULL
;
2149 pr_debug("TCM_QLA2XXX[0] - Cleared tcm_qla2xxx_fabric_configfs\n");
2151 target_fabric_configfs_deregister(tcm_qla2xxx_npiv_fabric_configfs
);
2152 tcm_qla2xxx_npiv_fabric_configfs
= NULL
;
2153 pr_debug("TCM_QLA2XXX[0] - Cleared tcm_qla2xxx_npiv_fabric_configfs\n");
2156 static int __init
tcm_qla2xxx_init(void)
2160 ret
= tcm_qla2xxx_register_configfs();
2167 static void __exit
tcm_qla2xxx_exit(void)
2169 tcm_qla2xxx_deregister_configfs();
2172 MODULE_DESCRIPTION("TCM QLA2XXX series NPIV enabled fabric driver");
2173 MODULE_LICENSE("GPL");
2174 module_init(tcm_qla2xxx_init
);
2175 module_exit(tcm_qla2xxx_exit
);