diff options
Diffstat (limited to 'shared-core/i915_drm.h')
| -rw-r--r-- | shared-core/i915_drm.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h index de463614..1a70010b 100644 --- a/shared-core/i915_drm.h +++ b/shared-core/i915_drm.h @@ -176,6 +176,8 @@ typedef struct drm_i915_sarea { #define DRM_I915_MMIO 0x10 #define DRM_I915_HWS_ADDR 0x11 #define DRM_I915_EXECBUFFER 0x12 +#define DRM_I915_MM_INIT 0x13 +#define DRM_I915_MM_EXECBUFFER 0x14 #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) @@ -195,6 +197,8 @@ typedef struct drm_i915_sarea { #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) #define DRM_IOCTL_I915_MMIO DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_MMIO, drm_i915_mmio) #define DRM_IOCTL_I915_EXECBUFFER DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_EXECBUFFER, struct drm_i915_execbuffer) +#define DRM_IOCTL_I915_MM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_MM_INIT, struct drm_i915_mm_init) +#define DRM_IOCTL_I915_MM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_MM_INIT, struct drm_i915_mm_execbuffer) /* Asynchronous page flipping: */ @@ -394,4 +398,85 @@ struct drm_i915_execbuffer { struct drm_fence_arg fence_arg; }; +struct drm_i915_mm_init { + /** + * Beginning offset in the GTT to be managed by the DRM memory + * manager. + */ + off_t gtt_start; + /** + * Ending offset in the GTT to be managed by the DRM memory + * manager. + */ + off_t gtt_end; +}; + +struct drm_i915_relocation_entry { + /** + * Handle of the buffer being pointed to by this relocation entry. + * + * It's appealing to make this be an index into the mm_validate_entry + * list to refer to the buffer, but handle lookup should be O(1) anyway, + * and prevents O(n) search in userland to find what that index is. + */ + uint32_t target_buffer; + + /** Offset in the buffer the relocation entry will be written into */ + uint32_t offset; + + /** + * Value to be added to the offset of the target buffer to make up + * the relocation entry. + */ + uint32_t delta; + + /** + * Offset value of the target buffer that the relocation entry was last + * written as. + * + * If the buffer has the same offset as last time, we can skip syncing + * and writing the relocation. This value is written back out by + * the execbuffer ioctl when the relocation is written. + */ + uint32_t presumed_offset; +}; + +struct drm_i915_mm_validate_entry { + /** + * User's handle for a buffer to be bound into the GTT for this + * operation. + */ + uint32_t buffer_handle; + /** + * Returned value of the updated offset of the buffer, for future + * presumed_offset writes. + */ + uint32_t buffer_offset; + /** List of relocations to be performed on this buffer */ + struct drm_i915_relocation_entry *relocs; + uint32_t relocation_count; +}; + +struct drm_i915_mm_execbuffer { + /** + * List of buffers to be validated wit their relocations to be + * performend on them. + * + * These buffers must be listed in an order such that all relocations + * a buffer is performing refer to buffers that have already appeared + * in the validate list. + */ + struct drm_i915_mm_validate_entry *buffers; + uint32_t buffer_count; + + /** Offset in the batchbuffer to start execution from. */ + uint32_t batch_start_offset; + /** Bytes used in batchbuffer from batch_start_offset */ + uint32_t batch_len; + uint32_t DR1; + uint32_t DR4; + uint32_t num_cliprects; + struct drm_clip_rect *cliprects; +}; + #endif /* _I915_DRM_H_ */ |