i915: ARB_Occlusion_query(MMIO ioctl) support.

This adds a new ioctl for passing counter information from the chip back to
applications, these counters include the data needed to perform OC.

1 files changed, 29 insertions, 0 deletions

diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h
index 9eec109e..22a81d14 100644
--- a/shared-core/i915_drm.h
+++ b/shared-core/i915_drm.h
@@ -152,6 +152,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_I915_SET_VBLANK_PIPE	0x0d
 #define DRM_I915_GET_VBLANK_PIPE	0x0e
 #define DRM_I915_VBLANK_SWAP	0x0f
+#define DRM_I915_MMIO		0x10
 
 #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)
@@ -273,4 +274,32 @@ typedef struct drm_i915_vblank_swap {
 	unsigned int sequence;
 } drm_i915_vblank_swap_t;
 
+#define I915_MMIO_READ 	0
+#define I915_MMIO_WRITE 1
+
+#define I915_MMIO_MAY_READ  	0x1
+#define I915_MMIO_MAY_WRITE  	0x2
+
+#define MMIO_REGS_IA_PRIMATIVES_COUNT		0
+#define MMIO_REGS_IA_VERTICES_COUNT		1
+#define MMIO_REGS_VS_INVOCATION_COUNT		2
+#define MMIO_REGS_GS_PRIMITIVES_COUNT		3
+#define MMIO_REGS_GS_INVOCATION_COUNT		4
+#define MMIO_REGS_CL_PRIMITIVES_COUNT		5
+#define MMIO_REGS_CL_INVOCATION_COUNT		6
+#define MMIO_REGS_PS_INVOCATION_COUNT		7
+#define MMIO_REGS_PS_DEPTH_COUNT		8
+
+typedef struct drm_i915_mmio_entry {
+	unsigned int flag;
+	unsigned int offset;
+	unsigned int size;
+}drm_i915_mmio_entry_t;
+
+typedef struct drm_i915_mmio {
+	unsigned int read_write:1;
+	unsigned int reg:31;
+	void __user *data;	
+} drm_i915_mmio_t;
+
 #endif				/* _I915_DRM_H_ */