Re: [PATCH v2 1/3] ibmvscsi: Wire up host_reset() in the drivers scsi_host_template

2019-05-29 Thread Martin K. Petersen


Tyrel,

> Wire up the host_reset function in our driver_template to allow a user
> requested adpater reset via the host_reset sysfs attribute.

Series applied to 5.3/scsi-queue. Thanks!

-- 
Martin K. Petersen  Oracle Linux Engineering


[PATCH v2 1/3] ibmvscsi: Wire up host_reset() in the drivers scsi_host_template

2019-05-02 Thread Tyrel Datwyler
From: Tyrel Datwyler 

Wire up the host_reset function in our driver_template to allow a user
requested adpater reset via the host_reset sysfs attribute.

Example:

echo "adapter" > /sys/class/scsi_host/host0/host_reset

Signed-off-by: Tyrel Datwyler 
---
Changes in v2:
removed interrupt disabe/enable around reset

 drivers/scsi/ibmvscsi/ibmvscsi.c | 11 +++
 1 file changed, 11 insertions(+)

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 8cec5230fe31..65fc8ca962c5 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -2050,6 +2050,16 @@ static struct device_attribute ibmvscsi_host_config = {
.show = show_host_config,
 };
 
+static int ibmvscsi_host_reset(struct Scsi_Host *shost, int reset_type)
+{
+   struct ibmvscsi_host_data *hostdata = shost_priv(shost);
+
+   dev_info(hostdata->dev, "Initiating adapter reset!\n");
+   ibmvscsi_reset_host(hostdata);
+
+   return 0;
+}
+
 static struct device_attribute *ibmvscsi_attrs[] = {
&ibmvscsi_host_vhost_loc,
&ibmvscsi_host_vhost_name,
@@ -2076,6 +2086,7 @@ static struct scsi_host_template driver_template = {
.eh_host_reset_handler = ibmvscsi_eh_host_reset_handler,
.slave_configure = ibmvscsi_slave_configure,
.change_queue_depth = ibmvscsi_change_queue_depth,
+   .host_reset = ibmvscsi_host_reset,
.cmd_per_lun = IBMVSCSI_CMDS_PER_LUN_DEFAULT,
.can_queue = IBMVSCSI_MAX_REQUESTS_DEFAULT,
.this_id = -1,
-- 
2.18.1