Exports req_lim via sysfs, which is convenient for debugging purposes.
Signed-off-by: Bart Van Assche <[email protected]>
Cc: Roland Dreier <[email protected]>
Acked-by: David Dillow <[email protected]>
---
drivers/infiniband/ulp/srp/ib_srp.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c
b/drivers/infiniband/ulp/srp/ib_srp.c
index c810e52..bf546ac 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1732,6 +1732,18 @@ static ssize_t show_orig_dgid(struct device *dev,
return sprintf(buf, "%pI6\n", target->orig_dgid);
}
+static ssize_t show_req_lim(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct srp_target_port *target = host_to_target(class_to_shost(dev));
+
+ if (target->state == SRP_TARGET_DEAD ||
+ target->state == SRP_TARGET_REMOVED)
+ return -ENODEV;
+
+ return sprintf(buf, "%d\n", target->req_lim);
+}
+
static ssize_t show_zero_req_lim(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -1766,6 +1778,7 @@ static DEVICE_ATTR(service_id, S_IRUGO,
show_service_id, NULL);
static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, 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);
static DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim,
NULL);
static DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL);
static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
@@ -1777,6 +1790,7 @@ static struct device_attribute *srp_host_attrs[] = {
&dev_attr_pkey,
&dev_attr_dgid,
&dev_attr_orig_dgid,
+ &dev_attr_req_lim,
&dev_attr_zero_req_lim,
&dev_attr_local_ib_port,
&dev_attr_local_ib_device,
--
1.6.4.2
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