[UNIKRAFT PATCH 6/7] lib/ukblkdev: Provide `uk_blkdev_size()`

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

This commits provides a shortcut macro for retrieving the block device size in
number of bytes.

Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
 lib/ukblkdev/include/uk/blkdev.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/ukblkdev/include/uk/blkdev.h b/lib/ukblkdev/include/uk/blkdev.h
index 699b56bc..ab90a548 100644
--- a/lib/ukblkdev/include/uk/blkdev.h
+++ b/lib/ukblkdev/include/uk/blkdev.h
@@ -255,6 +255,9 @@ static inline const struct uk_blkdev_cap 
*uk_blkdev_capabilities(
 #define uk_blkdev_sectors(blkdev) \
        (uk_blkdev_capabilities(blkdev)->sectors)
 
+#define uk_blkdev_size(blkdev) \
+       ((size_t) uk_blkdev_sectors(blkdev) * uk_blkdev_ssize(blkdev))
+
 #define uk_blkdev_ioalign(blkdev) \
        (uk_blkdev_capabilities(blkdev)->ioalign)
 /**
-- 
2.20.1