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Message-Id: <1475589609-26451-1-git-send-email-gi-oh.kim@profitbricks.com>
Date: Tue, 4 Oct 2016 16:00:09 +0200
From: Gioh Kim <gi-oh.kim@...fitbricks.com>
To: bart.vanassche@...disk.com, dledford@...hat.com,
sean.hefty@...el.com, hal.rosenstock@...il.com
Cc: linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
Gioh Kim <gi-oh.kim@...fitbricks.com>
Subject: [RFC] IB/srp: export reset-host via sysfs
Standard SCSI device has host_reset sysfs interface.
This patch exports the host_reset interface for upper layer.
Signed-off-by: Gioh Kim <gi-oh.kim@...fitbricks.com>
---
drivers/infiniband/ulp/srp/ib_srp.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 3322ed7..92e6c3f 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2628,6 +2628,15 @@ static int srp_reset_device(struct scsi_cmnd *scmnd)
return SUCCESS;
}
+static int srp_scsi_host_reset(struct Scsi_Host *shost, int reset_type)
+{
+ struct srp_target_port *target = host_to_target(shost);
+
+ shost_printk(KERN_EMERG, target->scsi_host, PFX "SRP reset_host called\n");
+
+ return srp_reconnect_rport(target->rport);
+}
+
static int srp_reset_host(struct scsi_cmnd *scmnd)
{
struct srp_target_port *target = host_to_target(scmnd->device->host);
@@ -2858,6 +2867,7 @@ static struct scsi_host_template srp_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = srp_host_attrs,
.track_queue_depth = 1,
+ .host_reset = srp_scsi_host_reset,
};
static int srp_sdev_count(struct Scsi_Host *host)
--
2.5.0
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