From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: [PATCH 4/4 v3] IB/srp: export req_lim via sysfs Date: Tue, 3 Aug 2010 16:08:45 +0200 Message-ID: <201008031608.45707.bvanassche@acm.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Roland Dreier , David Dillow List-Id: linux-rdma@vger.kernel.org Exports req_lim via sysfs, which is convenient for debugging purposes. Signed-off-by: Bart Van Assche Cc: Roland Dreier Acked-by: David Dillow --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html