From: David Vrabel <david.vrabel@xxxxxxxxxx> Add ABI documentation for the /sys/bus/xen-backend sysfs files, including those specific to xen-blkback devices. Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> --- Documentation/ABI/stable/sysfs-bus-xen-backend | 75 ++++++++++++++++++++++++ 1 files changed, 75 insertions(+), 0 deletions(-) create mode 100644 Documentation/ABI/stable/sysfs-bus-xen-backend diff --git a/Documentation/ABI/stable/sysfs-bus-xen-backend b/Documentation/ABI/stable/sysfs-bus-xen-backend new file mode 100644 index 0000000..3d5951c --- /dev/null +++ b/Documentation/ABI/stable/sysfs-bus-xen-backend @@ -0,0 +1,75 @@ +What: /sys/bus/xen-backend/devices/*/devtype +Date: Feb 2009 +KernelVersion: 2.6.38 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + The type of the device. e.g., one of: 'vbd' (block), + 'vif' (network), or 'vfb' (framebuffer). + +What: /sys/bus/xen-backend/devices/*/nodename +Date: Feb 2009 +KernelVersion: 2.6.38 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + XenStore node (under /local/domain/NNN/) for this + backend device. + +What: /sys/bus/xen-backend/devices/vbd-*/physical_device +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + The major:minor number (in hexidecimal) of the + physical device providing the storage for this backend + block device. + +What: /sys/bus/xen-backend/devices/vbd-*/mode +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Whether the block device is read-only ('r') or + read-write ('w'). + +What: /sys/bus/xen-backend/devices/vbd-*/statistics/f_req +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Number of flush requests from the frontend. + +What: /sys/bus/xen-backend/devices/vbd-*/statistics/oo_req +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Number of requests delayed because the backend was too + busy processing previous requests. + +What: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_req +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Number of read requests from the frontend. + +What: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_sect +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Number of sectors read by the frontend. + +What: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_req +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Number of write requests from the frontend. + +What: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_sect +Date: April 2011 +KernelVersion: 3.0 +Contact: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> +Description: + Number of sectors written by the frontend. -- 1.7.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html