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| author | Bart Van Assche <bvanassche@acm.org> | 2010-08-03 14:08:45 +0000 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2010-08-04 13:02:26 -0700 |
| commit | 89de74866b846cc48780fda3de7fd223296aaca9 (patch) | |
| tree | bdcaebc89fb60843fb8b881ed4a1dee7e064bc41 | |
| parent | c996bb47bb419b7c2f75499e11750142775e5da9 (diff) | |
| download | linux-89de74866b846cc48780fda3de7fd223296aaca9.tar.bz2 | |
IB/srp: Export req_lim via sysfs
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>
| -rw-r--r-- | 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 ffdd2d181f65..7f8f16bad753 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -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, |