intel: Add new userptr ioctl

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8eb0cb3..15dd01d 100644 (file)
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -223,6 +223,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_I915_GEM_GET_CACHING       0x30
 #define DRM_I915_REG_READ              0x31
 #define DRM_I915_GET_RESET_STATS       0x32
+#define DRM_I915_GEM_USERPTR           0x33
 
 #define DRM_IOCTL_I915_INIT            DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
 #define DRM_IOCTL_I915_FLUSH           DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -273,6 +274,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_IOCTL_I915_GEM_CONTEXT_DESTROY     DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_DESTROY, struct drm_i915_gem_context_destroy)
 #define DRM_IOCTL_I915_REG_READ                        DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_REG_READ, struct drm_i915_reg_read)
 #define DRM_IOCTL_I915_GET_RESET_STATS         DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GET_RESET_STATS, struct drm_i915_reset_stats)
+#define DRM_IOCTL_I915_GEM_USERPTR             DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_USERPTR,  struct drm_i915_gem_userptr)
 
 /* Allow drivers to submit batchbuffers directly to hardware, relying
  * on the security mechanisms provided by hardware.
@@ -1050,4 +1052,18 @@ struct drm_i915_reset_stats {
        __u32 pad;
 };
 
+struct drm_i915_gem_userptr {
+       __u64 user_ptr;
+       __u64 user_size;
+       __u32 flags;
+#define I915_USERPTR_READ_ONLY 0x1
+#define I915_USERPTR_UNSYNCHRONIZED 0x80000000
+       /**
+       * Returned handle for the object.
+       *
+       * Object handles are nonzero.
+       */
+       __u32 handle;
+};
+
 #endif /* _I915_DRM_H_ */