diff options
Diffstat (limited to 'usr/src/uts/common/xen/io/xdf.h')
| -rw-r--r-- | usr/src/uts/common/xen/io/xdf.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/usr/src/uts/common/xen/io/xdf.h b/usr/src/uts/common/xen/io/xdf.h index f2a2a82dd5..8010e3817b 100644 --- a/usr/src/uts/common/xen/io/xdf.h +++ b/usr/src/uts/common/xen/io/xdf.h @@ -55,6 +55,11 @@ extern "C" { #define XB_MAX_XFER (XB_MAX_SEGLEN * BLKIF_MAX_SEGMENTS_PER_REQUEST) #define XB_MAXPHYS (XB_MAX_XFER * BLKIF_RING_SIZE) +/* Number of sectors per segement */ +#define XB_NUM_SECTORS_PER_SEG (PAGESIZE / XB_BSIZE) +/* sectors are number 0 through XB_NUM_SECTORS_PER_SEG - 1 */ +#define XB_LAST_SECTOR_IN_SEG (XB_NUM_SECTORS_PER_SEG - 1) + /* * Slice for absolute disk transaction. |