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| author | John Levon <john.levon@nutanix.com> | 2021-07-14 12:33:20 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-14 12:33:20 +0100 |
| commit | 2a0a92912d598de871ab47c034432c5fa6546dc4 (patch) | |
| tree | 7c33b0f6350fe6e2cce0434dd2bfe9b9631b4dca /include | |
| parent | 561b3092c73b1b45756630fac73b182a3de0fdff (diff) | |
| download | libvfio-user-2a0a92912d598de871ab47c034432c5fa6546dc4.zip libvfio-user-2a0a92912d598de871ab47c034432c5fa6546dc4.tar.gz libvfio-user-2a0a92912d598de871ab47c034432c5fa6546dc4.tar.bz2 | |
check for valid vfu_setup_region() flags (#579)
Complain about a region that isn't readable *or* writable, or any unknown flags.
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libvfio-user.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/libvfio-user.h b/include/libvfio-user.h index 4b08c22..f91f3c7 100644 --- a/include/libvfio-user.h +++ b/include/libvfio-user.h @@ -217,11 +217,14 @@ typedef ssize_t (vfu_region_access_cb_t)(vfu_ctx_t *vfu_ctx, char *buf, size_t count, loff_t offset, bool is_write); -#define VFU_REGION_FLAG_READ (1 << 0) -#define VFU_REGION_FLAG_WRITE (1 << 1) -#define VFU_REGION_FLAG_RW (VFU_REGION_FLAG_READ | VFU_REGION_FLAG_WRITE) -#define VFU_REGION_FLAG_MEM (1 << 2) // if unset, bar is IO -#define VFU_REGION_FLAG_ALWAYS_CB (1 << 3) +#define VFU_REGION_FLAG_READ (1 << 0) +#define VFU_REGION_FLAG_WRITE (1 << 1) +#define VFU_REGION_FLAG_RW (VFU_REGION_FLAG_READ | VFU_REGION_FLAG_WRITE) +/* If unset, this is an IO region. */ +#define VFU_REGION_FLAG_MEM (1 << 2) +#define VFU_REGION_FLAG_ALWAYS_CB (1 << 3) +#define VFU_REGION_FLAG_MASK (VFU_REGION_FLAG_RW | VFU_REGION_FLAG_MEM | \ + VFU_REGION_FLAG_ALWAYS_CB) /** * Set up a device region. |