From: James Smart Date: Tue, 24 Sep 2019 21:22:08 +0000 (-0700) Subject: nvme: Add ctrl attributes for queue_count and sqsize X-Git-Tag: for-linus-2019-10-03~7^2~2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2b1ff255d2d043aa4e6d62f50c478b283f9943ac;p=linux-2.6-block.git nvme: Add ctrl attributes for queue_count and sqsize Current controller interrogation requires a lot of guesswork on how many io queues were created and what the io sq size is. The numbers are dependent upon core/fabric defaults, connect arguments, and target responses. Add sysfs attributes for queue_count and sqsize. Signed-off-by: James Smart Reviewed-by: Hannes Reinecke Signed-off-by: Sagi Grimberg --- diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 87ed437a46b8..fd7dea36c3b6 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3135,6 +3135,8 @@ static DEVICE_ATTR(field, S_IRUGO, field##_show, NULL); nvme_show_int_function(cntlid); nvme_show_int_function(numa_node); +nvme_show_int_function(queue_count); +nvme_show_int_function(sqsize); static ssize_t nvme_sysfs_delete(struct device *dev, struct device_attribute *attr, const char *buf, @@ -3215,6 +3217,8 @@ static struct attribute *nvme_dev_attrs[] = { &dev_attr_address.attr, &dev_attr_state.attr, &dev_attr_numa_node.attr, + &dev_attr_queue_count.attr, + &dev_attr_sqsize.attr, NULL };