From 49fd08baa36ac10b13ea7b23fc6bbee8b4a6fcfe Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Mon, 8 May 2017 14:35:01 -0600 Subject: drm/msm: Add hint to DRM_IOCTL_MSM_GEM_INFO to return an object IOVA Modify the 'pad' member of struct drm_msm_gem_info to 'flags'. If the user sets 'flags' to non-zero it means that they want a IOVA for the GEM object instead of a mmap() offset. Return the iova in the 'offset' member. Signed-off-by: Jordan Crouse [robclark: s/hint/flags in commit msg] Signed-off-by: Rob Clark --- include/uapi/drm/msm_drm.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'include/uapi/drm/msm_drm.h') diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index a9985fe6efcd..26c54f6d595d 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -104,10 +104,14 @@ struct drm_msm_gem_new { __u32 handle; /* out */ }; +#define MSM_INFO_IOVA 0x01 + +#define MSM_INFO_FLAGS (MSM_INFO_IOVA) + struct drm_msm_gem_info { __u32 handle; /* in */ - __u32 pad; - __u64 offset; /* out, offset to pass to mmap() */ + __u32 flags; /* in - combination of MSM_INFO_* flags */ + __u64 offset; /* out, mmap() offset or iova */ }; #define MSM_PREP_READ 0x01 -- cgit v1.2.3