diff options
| author | Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-03-11 16:50:57 -0700 |
|---|---|---|
| committer | Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-06-02 15:48:43 -0600 |
| commit | f677e9604d4e21f899cf21b09b4a0d370dff58c1 (patch) | |
| tree | 89ee7a9815904dbf4eb642360051aa06609ac943 /include | |
| parent | 48d9d351eb73100fa600803272ded137ca4b9d5b (diff) | |
drm/msm: Implement shared virtual memory ioctl
Shared virtual memory allows the CPU and GPU to use
the same virtual address for a buffer. This change
implements an ioctl to allow creation of SVM buffer
objects.
Change-Id: I0d929a2e37a9eeef948dc2a37250c1eb9adf6fc7
Signed-off-by: Sushmita Susheelendra <ssusheel@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/drm/msm_drm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 7aa6496c7608..cc6d4fb42d9f 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -102,6 +102,13 @@ struct drm_msm_gem_new { __u32 handle; /* out */ }; +struct drm_msm_gem_svm_new { + __u64 hostptr; /* in, must be page-aligned */ + __u64 size; /* in, must be page-aligned */ + __u32 flags; /* in, mask of MSM_BO_x */ + __u32 handle; /* out */ +}; + #define MSM_INFO_IOVA 0x01 #define MSM_INFO_FLAGS (MSM_INFO_IOVA) @@ -356,6 +363,8 @@ struct drm_msm_gem_sync { #define DRM_MSM_GEM_CPU_FINI 0x05 #define DRM_MSM_GEM_SUBMIT 0x06 #define DRM_MSM_WAIT_FENCE 0x07 +/* Gap for upstream DRM_MSM_GEM_MADVISE */ +#define DRM_MSM_GEM_SVM_NEW 0x09 #define DRM_SDE_WB_CONFIG 0x40 #define DRM_MSM_REGISTER_EVENT 0x41 @@ -395,6 +404,9 @@ struct drm_msm_gem_sync { struct drm_msm_counter_read) #define DRM_IOCTL_MSM_GEM_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_MSM_GEM_SYNC,\ struct drm_msm_gem_sync) +#define DRM_IOCTL_MSM_GEM_SVM_NEW \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_SVM_NEW, \ + struct drm_msm_gem_svm_new) #if defined(__cplusplus) } |