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IB/srp: Export req_lim via sysfs

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Export req_lim via sysfs for debugging.

Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Acked-by: David Dillow <dave@thedillows.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bart Van Assche 2010-08-03 14:08:45 +00:00 committed by Roland Dreier
parent c996bb47bb
commit 89de74866b
1 changed files with 14 additions and 0 deletions
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14
drivers/infiniband/ulp/srp/ib_srp.c
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@ -1552,6 +1552,18 @@ 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)
{
@ -1586,6 +1598,7 @@ 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);
@ -1597,6 +1610,7 @@ 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,