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Commit ded7f1a1 authored by Ishai Rabinovitz's avatar Ishai Rabinovitz Committed by Roland Dreier
Browse files

IB/srp: Add port/device attributes 



Add local_ib_device and local_ib_port attributes to srp scsi_host.
These are needed when we want to connect to the same target through
multiple distinct ports.

Signed-off-by: default avatarIshai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 2a214182

drivers/infiniband/ulp/srp/ib_srp.c

+24 −6
Original line number Diff line number Diff line
@@ -1449,12 +1449,28 @@ static ssize_t show_zero_req_lim(struct class_device *cdev, char *buf) 
	return sprintf(buf, "%d\n", target->zero_req_lim);

}



static ssize_t show_local_ib_port(struct class_device *cdev, char *buf)

{

	struct srp_target_port *target = host_to_target(class_to_shost(cdev));



	return sprintf(buf, "%d\n", target->srp_host->port);

}



static ssize_t show_local_ib_device(struct class_device *cdev, char *buf)

{

	struct srp_target_port *target = host_to_target(class_to_shost(cdev));



	return sprintf(buf, "%s\n", target->srp_host->dev->dev->name);

}



static CLASS_DEVICE_ATTR(id_ext,	  S_IRUGO, show_id_ext,		 NULL);

static CLASS_DEVICE_ATTR(ioc_guid,	  S_IRUGO, show_ioc_guid,	 NULL);

static CLASS_DEVICE_ATTR(service_id,	  S_IRUGO, show_service_id,	 NULL);

static CLASS_DEVICE_ATTR(pkey,		  S_IRUGO, show_pkey,		 NULL);

static CLASS_DEVICE_ATTR(dgid,		  S_IRUGO, show_dgid,		 NULL);

static CLASS_DEVICE_ATTR(zero_req_lim,	  S_IRUGO, show_zero_req_lim,	 NULL);

static CLASS_DEVICE_ATTR(local_ib_port,   S_IRUGO, show_local_ib_port,	 NULL);

static CLASS_DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);



static struct class_device_attribute *srp_host_attrs[] = {

	&class_device_attr_id_ext,
@@ -1463,6 +1479,8 @@ static struct class_device_attribute *srp_host_attrs[] = { 
	&class_device_attr_pkey,

	&class_device_attr_dgid,

	&class_device_attr_zero_req_lim,

	&class_device_attr_local_ib_port,

	&class_device_attr_local_ib_device,

	NULL

};