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tcm_loop: Send I_T_NEXUS_LOSS_OCCURRED UA

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If the virtual SAS link is set to 'offline' we should be
queueing an I_T_NEXUS_LOSS_OCCURRED UA.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Hannes Reinecke 2015-06-18 11:43:38 +02:00 committed by Nicholas Bellinger
parent b7446cacfb
commit e986a35aba
3 changed files with 23 additions and 0 deletions
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5
drivers/target/loopback/tcm_loop.c
View File

@ -1034,6 +1034,11 @@ static ssize_t tcm_loop_tpg_store_transport_status(
}
if (!strncmp(page, "offline", 7)) {
tl_tpg->tl_transport_status = TCM_TRANSPORT_OFFLINE;
if (tl_tpg->tl_nexus) {
struct se_session *tl_sess = tl_tpg->tl_nexus->se_sess;
core_allocate_nexus_loss_ua(tl_sess->se_node_acl);
}
return count;
}
return -EINVAL;

17
drivers/target/target_core_tpg.c
View File

@ -41,6 +41,7 @@
#include "target_core_internal.h"
#include "target_core_alua.h"
#include "target_core_pr.h"
#include "target_core_ua.h"
extern struct se_device *g_lun0_dev;
@ -83,6 +84,22 @@ struct se_node_acl *core_tpg_get_initiator_node_acl(
}
EXPORT_SYMBOL(core_tpg_get_initiator_node_acl);
void core_allocate_nexus_loss_ua(
struct se_node_acl *nacl)
{
struct se_dev_entry *deve;
if (!nacl)
return;
rcu_read_lock();
hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link)
core_scsi3_ua_allocate(deve, 0x29,
ASCQ_29H_NEXUS_LOSS_OCCURRED);
rcu_read_unlock();
}
EXPORT_SYMBOL(core_allocate_nexus_loss_ua);
/* core_tpg_add_node_to_devs():
*
*

1
include/target/target_core_fabric.h
View File

@ -152,6 +152,7 @@ int transport_generic_handle_tmr(struct se_cmd *);
void transport_generic_request_failure(struct se_cmd *, sense_reason_t);
void __target_execute_cmd(struct se_cmd *);
int transport_lookup_tmr_lun(struct se_cmd *, u64);
void core_allocate_nexus_loss_ua(struct se_node_acl *acl);
struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
unsigned char *);