diff options
Diffstat (limited to 'src/commonlib/include')
| -rw-r--r-- | src/commonlib/include/commonlib/region.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/commonlib/include/commonlib/region.h b/src/commonlib/include/commonlib/region.h index cc4ee289d2..35d48ade85 100644 --- a/src/commonlib/include/commonlib/region.h +++ b/src/commonlib/include/commonlib/region.h @@ -121,6 +121,13 @@ static inline void *rdev_mmap_full(const struct region_device *rd) return rdev_mmap(rd, 0, region_device_sz(rd)); } +/* + * Compute relative offset of the child (c) w.r.t. the parent (p). Returns < 0 + * when child is not within the parent's region. + */ +ssize_t rdev_relative_offset(const struct region_device *p, + const struct region_device *c); + struct mem_region_device { char *base; struct region_device rdev; |