Doc: virtio-blk: add description of boot device option

Add the description of option 'b' to indicate the boot device including
the bootable image.

Tracked-On: #1917
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
This commit is contained in:
Binbin Wu 2019-05-08 14:09:01 +08:00 committed by David Kinder
parent d9e6cdb593
commit 5d19228814

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@ -63,8 +63,11 @@ Usage:
The device model configuration command syntax for virtio-blk is::
-s <slot>,virtio-blk,<filepath>[,options]
-s <slot>,virtio-blk,[,b,]<filepath>[,options]
- ``b``: when using ``vsbl`` as the virtual bootloader, use this
immediately after ``virtio-blk`` to specify it as a bootable
device and the bootable image location.
- ``filepath`` is the path of a file or disk partition
- ``options`` include: