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>
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@ -1552,6 +1552,18 @@ static ssize_t show_orig_dgid(struct device *dev,
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return sprintf(buf, "%pI6\n", target->orig_dgid);
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}
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static ssize_t show_req_lim(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct srp_target_port *target = host_to_target(class_to_shost(dev));
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if (target->state == SRP_TARGET_DEAD ||
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target->state == SRP_TARGET_REMOVED)
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return -ENODEV;
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return sprintf(buf, "%d\n", target->req_lim);
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}
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static ssize_t show_zero_req_lim(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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@ -1586,6 +1598,7 @@ static DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
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static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
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static DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
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static DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL);
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static DEVICE_ATTR(req_lim, S_IRUGO, show_req_lim, NULL);
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static DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL);
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static DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL);
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static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
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@ -1597,6 +1610,7 @@ static struct device_attribute *srp_host_attrs[] = {
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&dev_attr_pkey,
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&dev_attr_dgid,
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&dev_attr_orig_dgid,
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&dev_attr_req_lim,
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&dev_attr_zero_req_lim,
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&dev_attr_local_ib_port,
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&dev_attr_local_ib_device,
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