diff options
| author | John Levon <john.levon@nutanix.com> | 2021-01-20 10:00:17 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-20 10:00:17 +0000 |
| commit | fa5104150bca4182f8a38d39fa50f7e61982568e (patch) | |
| tree | 7e7922e16150acdd01ac7b22ff1d07852befa78a /include | |
| parent | 5aa56c58446c43f085da7ff6ca339d7361b8302d (diff) | |
| download | libvfio-user-fa5104150bca4182f8a38d39fa50f7e61982568e.zip libvfio-user-fa5104150bca4182f8a38d39fa50f7e61982568e.tar.gz libvfio-user-fa5104150bca4182f8a38d39fa50f7e61982568e.tar.bz2 | |
add whole-region mmap area for vfu_setup_region() (#225)
If an fd is provided, automatically add a mmap area covering the entire region
unless an mmap_areas array is provided.
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libvfio-user.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/libvfio-user.h b/include/libvfio-user.h index 8e48a7d..0b5ac02 100644 --- a/include/libvfio-user.h +++ b/include/libvfio-user.h @@ -243,11 +243,11 @@ typedef ssize_t (vfu_region_access_cb_t)(vfu_ctx_t *vfu_ctx, char *buf, * @region_idx: region index * @size: size of the region * @region_access: callback function to access region - * @flags: region flags (VFU_REGION_FLAG_) - * @mmap_areas: array of memory mappable areas; must be provided if the region - * is mappable. + * @flags: region flags (VFU_REGION_FLAG_*) + * @mmap_areas: array of memory mappable areas; if an fd is provided, but this + * is NULL, then the entire region is mappable. * @nr_mmap_areas: number of sparse areas in @mmap_areas; must be provided if - * the region is mappable. + * the @mmap_areas is non-NULL, or 0 otherwise. * @fd: file descriptor of the file backing the region if the region is * mappable; it is the server's responsibility to create a file suitable for * memory mapping by the client. |