diff options
| author | Hannes Reinecke <hare@suse.de> | 2013-10-16 09:12:56 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-10-17 00:42:52 +0200 |
| commit | 8f4a1fb0d029feef385986f320c7b4c13d9fce40 (patch) | |
| tree | 4a9de2474eaaba3d83510b733b130bc9c43c4653 /drivers/target/loopback/tcm_loop.c | |
| parent | tcm_loop: TCQ and command abort support (diff) | |
| download | linux-8f4a1fb0d029feef385986f320c7b4c13d9fce40.tar.xz linux-8f4a1fb0d029feef385986f320c7b4c13d9fce40.zip | |
tcm_loop: Implement target reset
Implement target reset by resetting the transport status.
(nab: Remove unused ret in tcm_loop_target_reset)
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/loopback/tcm_loop.c')
| -rw-r--r-- | drivers/target/loopback/tcm_loop.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 04811caac487..1b41e6776152 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -392,6 +392,31 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc) return (ret == TMR_FUNCTION_COMPLETE) ? SUCCESS : FAILED; } +static int tcm_loop_target_reset(struct scsi_cmnd *sc) +{ + struct tcm_loop_hba *tl_hba; + struct tcm_loop_tpg *tl_tpg; + + /* + * Locate the tcm_loop_hba_t pointer + */ + tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host); + if (!tl_hba) { + pr_err("Unable to perform device reset without" + " active I_T Nexus\n"); + return FAILED; + } + /* + * Locate the tl_tpg pointer from TargetID in sc->device->id + */ + tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id]; + if (tl_tpg) { + tl_tpg->tl_transport_status = TCM_TRANSPORT_ONLINE; + return SUCCESS; + } + return FAILED; +} + static int tcm_loop_slave_alloc(struct scsi_device *sd) { set_bit(QUEUE_FLAG_BIDI, &sd->request_queue->queue_flags); @@ -421,6 +446,7 @@ static struct scsi_host_template tcm_loop_driver_template = { .change_queue_type = tcm_loop_change_queue_type, .eh_abort_handler = tcm_loop_abort_task, .eh_device_reset_handler = tcm_loop_device_reset, + .eh_target_reset_handler = tcm_loop_target_reset, .can_queue = 1024, .this_id = -1, .sg_tablesize = 256, |