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authorBart Van Assche <bvanassche@acm.org>2013-10-26 12:38:12 (GMT)
committerRoland Dreier <roland@purestorage.com>2013-11-08 22:43:16 (GMT)
commit848b3082dba4215e886c8a595b61f5b70247b341 (patch)
tree04a5badcdca77f12893c77f2bd0cfd31a29cd3ba /drivers/infiniband
parenta95cadb9dafef41a755b11680529c2b49e7f59bd (diff)
downloadlinux-fsl-qoriq-848b3082dba4215e886c8a595b61f5b70247b341.tar.xz
IB/srp: Export sgid to sysfs
On an initiator system with multiple IB ports it is not yet possible to figure out what the originating port of an SRP connection is. Hence make the source GID available in sysfs. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: David Dillow <dillowda@ornl.gov> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index ebbe01b..62e1f2a 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1965,6 +1965,14 @@ static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "0x%04x\n", be16_to_cpu(target->path.pkey));
}
+static ssize_t show_sgid(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct srp_target_port *target = host_to_target(class_to_shost(dev));
+
+ return sprintf(buf, "%pI6\n", target->path.sgid.raw);
+}
+
static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -2049,6 +2057,7 @@ static DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
static DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL);
static DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
+static DEVICE_ATTR(sgid, S_IRUGO, show_sgid, NULL);
static DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
static DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL);
static DEVICE_ATTR(req_lim, S_IRUGO, show_req_lim, NULL);
@@ -2065,6 +2074,7 @@ static struct device_attribute *srp_host_attrs[] = {
&dev_attr_ioc_guid,
&dev_attr_service_id,
&dev_attr_pkey,
+ &dev_attr_sgid,
&dev_attr_dgid,
&dev_attr_orig_dgid,
&dev_attr_req_lim,