From fb2b2844743bc3d84ce1033167210e5fe3963455 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Wed, 16 Oct 2013 09:12:53 +0200 Subject: tcm_loop: Implement transport offline Add attribute 'transport_status' to simulate link failure. Signed-off-by: Hannes Reinecke Signed-off-by: Nicholas Bellinger --- drivers/target/loopback/tcm_loop.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/target/loopback/tcm_loop.h') diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h index dd7a84ee78e1..56528f7dafae 100644 --- a/drivers/target/loopback/tcm_loop.h +++ b/drivers/target/loopback/tcm_loop.h @@ -40,8 +40,12 @@ struct tcm_loop_nacl { struct se_node_acl se_node_acl; }; +#define TCM_TRANSPORT_ONLINE 0 +#define TCM_TRANSPORT_OFFLINE 1 + struct tcm_loop_tpg { unsigned short tl_tpgt; + unsigned short tl_transport_status; atomic_t tl_tpg_port_count; struct se_portal_group tl_se_tpg; struct tcm_loop_hba *tl_hba; -- cgit v1.2.2 From 969871cdc2d0f5a81d6733450b5334d14fce2b75 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Wed, 16 Oct 2013 09:12:55 +0200 Subject: tcm_loop: TCQ and command abort support Implement TCQ support, which enables us to do proper command abort, too. Signed-off-by: Hannes Reinecke Signed-off-by: Nicholas Bellinger --- drivers/target/loopback/tcm_loop.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/target/loopback/tcm_loop.h') diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h index 56528f7dafae..54c59d0b6608 100644 --- a/drivers/target/loopback/tcm_loop.h +++ b/drivers/target/loopback/tcm_loop.h @@ -10,6 +10,8 @@ struct tcm_loop_cmd { /* State of Linux/SCSI CDB+Data descriptor */ u32 sc_cmd_state; + /* Tagged command queueing */ + u32 sc_cmd_tag; /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */ struct scsi_cmnd *sc; /* The TCM I/O descriptor that is accessed via container_of() */ -- cgit v1.2.2