Implement target reset by resetting the transport status.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/target/loopback/tcm_loop.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index febe166..d52c0aa 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -392,6 +392,32 @@ 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;
+ int ret = FAILED;
+
+ /*
+ * 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 +447,7 @@ 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,
--
1.7.12.4
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