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authorAlex Williamson <alex.williamson@redhat.com>2016-05-26 09:43:20 -0600
committerAlex Williamson <alex.williamson@redhat.com>2016-05-26 11:04:50 -0600
commite61a424f0573634a1bc180de965b2cb794c1038e (patch)
tree28ae3c7a3d9934a6a022c8c87a74800865cbfbbf /include/hw/vfio
parentb53b0f696b10828f6393155f44a352c019e673fd (diff)
vfio: Create device specific region info helper
Given a device specific region type and sub-type, find it. Also cleanup return point on error in vfio_get_region_info() so that we always return 0 with a valid pointer or -errno and NULL. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'include/hw/vfio')
-rw-r--r--include/hw/vfio/vfio-common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index eb0e1b0342..a947f9ccda 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -154,5 +154,7 @@ extern QLIST_HEAD(vfio_as_head, VFIOAddressSpace) vfio_address_spaces;
#ifdef CONFIG_LINUX
int vfio_get_region_info(VFIODevice *vbasedev, int index,
struct vfio_region_info **info);
+int vfio_get_dev_region_info(VFIODevice *vbasedev, uint32_t type,
+ uint32_t subtype, struct vfio_region_info **info);
#endif
#endif /* !HW_VFIO_VFIO_COMMON_H */