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IABSD.fr/xenocara/lib/mesa/include/drm-uapi/radeon_drm.h

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  • Author : jsg
    Date : 2025-06-05 11:23:11
    Hash : 67d6f117
    Message : Import Mesa 25.0.7

  • lib/mesa/include/drm-uapi/radeon_drm.h
  • /* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*-
     *
     * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
     * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
     * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
     * All rights reserved.
     *
     * Permission is hereby granted, free of charge, to any person obtaining a
     * copy of this software and associated documentation files (the "Software"),
     * to deal in the Software without restriction, including without limitation
     * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     * and/or sell copies of the Software, and to permit persons to whom the
     * Software is furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice (including the next
     * paragraph) shall be included in all copies or substantial portions of the
     * Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     * DEALINGS IN THE SOFTWARE.
     *
     * Authors:
     *    Kevin E. Martin <martin@valinux.com>
     *    Gareth Hughes <gareth@valinux.com>
     *    Keith Whitwell <keith@tungstengraphics.com>
     */
    
    #ifndef __RADEON_DRM_H__
    #define __RADEON_DRM_H__
    
    #include "drm.h"
    
    #if defined(__cplusplus)
    extern "C" {
    #endif
    
    /* WARNING: If you change any of these defines, make sure to change the
     * defines in the X server file (radeon_sarea.h)
     */
    #ifndef __RADEON_SAREA_DEFINES__
    #define __RADEON_SAREA_DEFINES__
    
    /* Old style state flags, required for sarea interface (1.1 and 1.2
     * clears) and 1.2 drm_vertex2 ioctl.
     */
    #define RADEON_UPLOAD_CONTEXT		0x00000001
    #define RADEON_UPLOAD_VERTFMT		0x00000002
    #define RADEON_UPLOAD_LINE		0x00000004
    #define RADEON_UPLOAD_BUMPMAP		0x00000008
    #define RADEON_UPLOAD_MASKS		0x00000010
    #define RADEON_UPLOAD_VIEWPORT		0x00000020
    #define RADEON_UPLOAD_SETUP		0x00000040
    #define RADEON_UPLOAD_TCL		0x00000080
    #define RADEON_UPLOAD_MISC		0x00000100
    #define RADEON_UPLOAD_TEX0		0x00000200
    #define RADEON_UPLOAD_TEX1		0x00000400
    #define RADEON_UPLOAD_TEX2		0x00000800
    #define RADEON_UPLOAD_TEX0IMAGES	0x00001000
    #define RADEON_UPLOAD_TEX1IMAGES	0x00002000
    #define RADEON_UPLOAD_TEX2IMAGES	0x00004000
    #define RADEON_UPLOAD_CLIPRECTS		0x00008000	/* handled client-side */
    #define RADEON_REQUIRE_QUIESCENCE	0x00010000
    #define RADEON_UPLOAD_ZBIAS		0x00020000	/* version 1.2 and newer */
    #define RADEON_UPLOAD_ALL		0x003effff
    #define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff
    
    /* New style per-packet identifiers for use in cmd_buffer ioctl with
     * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
     * state bits and the packet size:
     */
    #define RADEON_EMIT_PP_MISC                         0	/* context/7 */
    #define RADEON_EMIT_PP_CNTL                         1	/* context/3 */
    #define RADEON_EMIT_RB3D_COLORPITCH                 2	/* context/1 */
    #define RADEON_EMIT_RE_LINE_PATTERN                 3	/* line/2 */
    #define RADEON_EMIT_SE_LINE_WIDTH                   4	/* line/1 */
    #define RADEON_EMIT_PP_LUM_MATRIX                   5	/* bumpmap/1 */
    #define RADEON_EMIT_PP_ROT_MATRIX_0                 6	/* bumpmap/2 */
    #define RADEON_EMIT_RB3D_STENCILREFMASK             7	/* masks/3 */
    #define RADEON_EMIT_SE_VPORT_XSCALE                 8	/* viewport/6 */
    #define RADEON_EMIT_SE_CNTL                         9	/* setup/2 */
    #define RADEON_EMIT_SE_CNTL_STATUS                  10	/* setup/1 */
    #define RADEON_EMIT_RE_MISC                         11	/* misc/1 */
    #define RADEON_EMIT_PP_TXFILTER_0                   12	/* tex0/6 */
    #define RADEON_EMIT_PP_BORDER_COLOR_0               13	/* tex0/1 */
    #define RADEON_EMIT_PP_TXFILTER_1                   14	/* tex1/6 */
    #define RADEON_EMIT_PP_BORDER_COLOR_1               15	/* tex1/1 */
    #define RADEON_EMIT_PP_TXFILTER_2                   16	/* tex2/6 */
    #define RADEON_EMIT_PP_BORDER_COLOR_2               17	/* tex2/1 */
    #define RADEON_EMIT_SE_ZBIAS_FACTOR                 18	/* zbias/2 */
    #define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19	/* tcl/11 */
    #define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20	/* material/17 */
    #define R200_EMIT_PP_TXCBLEND_0                     21	/* tex0/4 */
    #define R200_EMIT_PP_TXCBLEND_1                     22	/* tex1/4 */
    #define R200_EMIT_PP_TXCBLEND_2                     23	/* tex2/4 */
    #define R200_EMIT_PP_TXCBLEND_3                     24	/* tex3/4 */
    #define R200_EMIT_PP_TXCBLEND_4                     25	/* tex4/4 */
    #define R200_EMIT_PP_TXCBLEND_5                     26	/* tex5/4 */
    #define R200_EMIT_PP_TXCBLEND_6                     27	/* /4 */
    #define R200_EMIT_PP_TXCBLEND_7                     28	/* /4 */
    #define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29	/* tcl/7 */
    #define R200_EMIT_TFACTOR_0                         30	/* tf/7 */
    #define R200_EMIT_VTX_FMT_0                         31	/* vtx/5 */
    #define R200_EMIT_VAP_CTL                           32	/* vap/1 */
    #define R200_EMIT_MATRIX_SELECT_0                   33	/* msl/5 */
    #define R200_EMIT_TEX_PROC_CTL_2                    34	/* tcg/5 */
    #define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35	/* tcl/1 */
    #define R200_EMIT_PP_TXFILTER_0                     36	/* tex0/6 */
    #define R200_EMIT_PP_TXFILTER_1                     37	/* tex1/6 */
    #define R200_EMIT_PP_TXFILTER_2                     38	/* tex2/6 */
    #define R200_EMIT_PP_TXFILTER_3                     39	/* tex3/6 */
    #define R200_EMIT_PP_TXFILTER_4                     40	/* tex4/6 */
    #define R200_EMIT_PP_TXFILTER_5                     41	/* tex5/6 */
    #define R200_EMIT_PP_TXOFFSET_0                     42	/* tex0/1 */
    #define R200_EMIT_PP_TXOFFSET_1                     43	/* tex1/1 */
    #define R200_EMIT_PP_TXOFFSET_2                     44	/* tex2/1 */
    #define R200_EMIT_PP_TXOFFSET_3                     45	/* tex3/1 */
    #define R200_EMIT_PP_TXOFFSET_4                     46	/* tex4/1 */
    #define R200_EMIT_PP_TXOFFSET_5                     47	/* tex5/1 */
    #define R200_EMIT_VTE_CNTL                          48	/* vte/1 */
    #define R200_EMIT_OUTPUT_VTX_COMP_SEL               49	/* vtx/1 */
    #define R200_EMIT_PP_TAM_DEBUG3                     50	/* tam/1 */
    #define R200_EMIT_PP_CNTL_X                         51	/* cst/1 */
    #define R200_EMIT_RB3D_DEPTHXY_OFFSET               52	/* cst/1 */
    #define R200_EMIT_RE_AUX_SCISSOR_CNTL               53	/* cst/1 */
    #define R200_EMIT_RE_SCISSOR_TL_0                   54	/* cst/2 */
    #define R200_EMIT_RE_SCISSOR_TL_1                   55	/* cst/2 */
    #define R200_EMIT_RE_SCISSOR_TL_2                   56	/* cst/2 */
    #define R200_EMIT_SE_VAP_CNTL_STATUS                57	/* cst/1 */
    #define R200_EMIT_SE_VTX_STATE_CNTL                 58	/* cst/1 */
    #define R200_EMIT_RE_POINTSIZE                      59	/* cst/1 */
    #define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60	/* cst/4 */
    #define R200_EMIT_PP_CUBIC_FACES_0                  61
    #define R200_EMIT_PP_CUBIC_OFFSETS_0                62
    #define R200_EMIT_PP_CUBIC_FACES_1                  63
    #define R200_EMIT_PP_CUBIC_OFFSETS_1                64
    #define R200_EMIT_PP_CUBIC_FACES_2                  65
    #define R200_EMIT_PP_CUBIC_OFFSETS_2                66
    #define R200_EMIT_PP_CUBIC_FACES_3                  67
    #define R200_EMIT_PP_CUBIC_OFFSETS_3                68
    #define R200_EMIT_PP_CUBIC_FACES_4                  69
    #define R200_EMIT_PP_CUBIC_OFFSETS_4                70
    #define R200_EMIT_PP_CUBIC_FACES_5                  71
    #define R200_EMIT_PP_CUBIC_OFFSETS_5                72
    #define RADEON_EMIT_PP_TEX_SIZE_0                   73
    #define RADEON_EMIT_PP_TEX_SIZE_1                   74
    #define RADEON_EMIT_PP_TEX_SIZE_2                   75
    #define R200_EMIT_RB3D_BLENDCOLOR                   76
    #define R200_EMIT_TCL_POINT_SPRITE_CNTL             77
    #define RADEON_EMIT_PP_CUBIC_FACES_0                78
    #define RADEON_EMIT_PP_CUBIC_OFFSETS_T0             79
    #define RADEON_EMIT_PP_CUBIC_FACES_1                80
    #define RADEON_EMIT_PP_CUBIC_OFFSETS_T1             81
    #define RADEON_EMIT_PP_CUBIC_FACES_2                82
    #define RADEON_EMIT_PP_CUBIC_OFFSETS_T2             83
    #define R200_EMIT_PP_TRI_PERF_CNTL                  84
    #define R200_EMIT_PP_AFS_0                          85
    #define R200_EMIT_PP_AFS_1                          86
    #define R200_EMIT_ATF_TFACTOR                       87
    #define R200_EMIT_PP_TXCTLALL_0                     88
    #define R200_EMIT_PP_TXCTLALL_1                     89
    #define R200_EMIT_PP_TXCTLALL_2                     90
    #define R200_EMIT_PP_TXCTLALL_3                     91
    #define R200_EMIT_PP_TXCTLALL_4                     92
    #define R200_EMIT_PP_TXCTLALL_5                     93
    #define R200_EMIT_VAP_PVS_CNTL                      94
    #define RADEON_MAX_STATE_PACKETS                    95
    
    /* Commands understood by cmd_buffer ioctl.  More can be added but
     * obviously these can't be removed or changed:
     */
    #define RADEON_CMD_PACKET      1	/* emit one of the register packets above */
    #define RADEON_CMD_SCALARS     2	/* emit scalar data */
    #define RADEON_CMD_VECTORS     3	/* emit vector data */
    #define RADEON_CMD_DMA_DISCARD 4	/* discard current dma buf */
    #define RADEON_CMD_PACKET3     5	/* emit hw packet */
    #define RADEON_CMD_PACKET3_CLIP 6	/* emit hw packet wrapped in cliprects */
    #define RADEON_CMD_SCALARS2     7	/* r200 stopgap */
    #define RADEON_CMD_WAIT         8	/* emit hw wait commands -- note:
    					 *  doesn't make the cpu wait, just
    					 *  the graphics hardware */
    #define RADEON_CMD_VECLINEAR	9       /* another r200 stopgap */
    
    typedef union {
    	int i;
    	struct {
    		unsigned char cmd_type, pad0, pad1, pad2;
    	} header;
    	struct {
    		unsigned char cmd_type, packet_id, pad0, pad1;
    	} packet;
    	struct {
    		unsigned char cmd_type, offset, stride, count;
    	} scalars;
    	struct {
    		unsigned char cmd_type, offset, stride, count;
    	} vectors;
    	struct {
    		unsigned char cmd_type, addr_lo, addr_hi, count;
    	} veclinear;
    	struct {
    		unsigned char cmd_type, buf_idx, pad0, pad1;
    	} dma;
    	struct {
    		unsigned char cmd_type, flags, pad0, pad1;
    	} wait;
    } drm_radeon_cmd_header_t;
    
    #define RADEON_WAIT_2D  0x1
    #define RADEON_WAIT_3D  0x2
    
    /* Allowed parameters for R300_CMD_PACKET3
     */
    #define R300_CMD_PACKET3_CLEAR		0
    #define R300_CMD_PACKET3_RAW		1
    
    /* Commands understood by cmd_buffer ioctl for R300.
     * The interface has not been stabilized, so some of these may be removed
     * and eventually reordered before stabilization.
     */
    #define R300_CMD_PACKET0		1
    #define R300_CMD_VPU			2	/* emit vertex program upload */
    #define R300_CMD_PACKET3		3	/* emit a packet3 */
    #define R300_CMD_END3D			4	/* emit sequence ending 3d rendering */
    #define R300_CMD_CP_DELAY		5
    #define R300_CMD_DMA_DISCARD		6
    #define R300_CMD_WAIT			7
    #	define R300_WAIT_2D		0x1
    #	define R300_WAIT_3D		0x2
    /* these two defines are DOING IT WRONG - however
     * we have userspace which relies on using these.
     * The wait interface is backwards compat new 
     * code should use the NEW_WAIT defines below
     * THESE ARE NOT BIT FIELDS
     */
    #	define R300_WAIT_2D_CLEAN	0x3
    #	define R300_WAIT_3D_CLEAN	0x4
    
    #	define R300_NEW_WAIT_2D_3D	0x3
    #	define R300_NEW_WAIT_2D_2D_CLEAN	0x4
    #	define R300_NEW_WAIT_3D_3D_CLEAN	0x6
    #	define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN	0x8
    
    #define R300_CMD_SCRATCH		8
    #define R300_CMD_R500FP                 9
    
    typedef union {
    	unsigned int u;
    	struct {
    		unsigned char cmd_type, pad0, pad1, pad2;
    	} header;
    	struct {
    		unsigned char cmd_type, count, reglo, reghi;
    	} packet0;
    	struct {
    		unsigned char cmd_type, count, adrlo, adrhi;
    	} vpu;
    	struct {
    		unsigned char cmd_type, packet, pad0, pad1;
    	} packet3;
    	struct {
    		unsigned char cmd_type, packet;
    		unsigned short count;	/* amount of packet2 to emit */
    	} delay;
    	struct {
    		unsigned char cmd_type, buf_idx, pad0, pad1;
    	} dma;
    	struct {
    		unsigned char cmd_type, flags, pad0, pad1;
    	} wait;
    	struct {
    		unsigned char cmd_type, reg, n_bufs, flags;
    	} scratch;
    	struct {
    		unsigned char cmd_type, count, adrlo, adrhi_flags;
    	} r500fp;
    } drm_r300_cmd_header_t;
    
    #define RADEON_FRONT			0x1
    #define RADEON_BACK			0x2
    #define RADEON_DEPTH			0x4
    #define RADEON_STENCIL			0x8
    #define RADEON_CLEAR_FASTZ		0x80000000
    #define RADEON_USE_HIERZ		0x40000000
    #define RADEON_USE_COMP_ZBUF		0x20000000
    
    #define R500FP_CONSTANT_TYPE  (1 << 1)
    #define R500FP_CONSTANT_CLAMP (1 << 2)
    
    /* Primitive types
     */
    #define RADEON_POINTS			0x1
    #define RADEON_LINES			0x2
    #define RADEON_LINE_STRIP		0x3
    #define RADEON_TRIANGLES		0x4
    #define RADEON_TRIANGLE_FAN		0x5
    #define RADEON_TRIANGLE_STRIP		0x6
    
    /* Vertex/indirect buffer size
     */
    #define RADEON_BUFFER_SIZE		65536
    
    /* Byte offsets for indirect buffer data
     */
    #define RADEON_INDEX_PRIM_OFFSET	20
    
    #define RADEON_SCRATCH_REG_OFFSET	32
    
    #define R600_SCRATCH_REG_OFFSET         256
    
    #define RADEON_NR_SAREA_CLIPRECTS	12
    
    /* There are 2 heaps (local/GART).  Each region within a heap is a
     * minimum of 64k, and there are at most 64 of them per heap.
     */
    #define RADEON_LOCAL_TEX_HEAP		0
    #define RADEON_GART_TEX_HEAP		1
    #define RADEON_NR_TEX_HEAPS		2
    #define RADEON_NR_TEX_REGIONS		64
    #define RADEON_LOG_TEX_GRANULARITY	16
    
    #define RADEON_MAX_TEXTURE_LEVELS	12
    #define RADEON_MAX_TEXTURE_UNITS	3
    
    #define RADEON_MAX_SURFACES		8
    
    /* Blits have strict offset rules.  All blit offset must be aligned on
     * a 1K-byte boundary.
     */
    #define RADEON_OFFSET_SHIFT             10
    #define RADEON_OFFSET_ALIGN             (1 << RADEON_OFFSET_SHIFT)
    #define RADEON_OFFSET_MASK              (RADEON_OFFSET_ALIGN - 1)
    
    #endif				/* __RADEON_SAREA_DEFINES__ */
    
    typedef struct {
    	unsigned int red;
    	unsigned int green;
    	unsigned int blue;
    	unsigned int alpha;
    } radeon_color_regs_t;
    
    typedef struct {
    	/* Context state */
    	unsigned int pp_misc;	/* 0x1c14 */
    	unsigned int pp_fog_color;
    	unsigned int re_solid_color;
    	unsigned int rb3d_blendcntl;
    	unsigned int rb3d_depthoffset;
    	unsigned int rb3d_depthpitch;
    	unsigned int rb3d_zstencilcntl;
    
    	unsigned int pp_cntl;	/* 0x1c38 */
    	unsigned int rb3d_cntl;
    	unsigned int rb3d_coloroffset;
    	unsigned int re_width_height;
    	unsigned int rb3d_colorpitch;
    	unsigned int se_cntl;
    
    	/* Vertex format state */
    	unsigned int se_coord_fmt;	/* 0x1c50 */
    
    	/* Line state */
    	unsigned int re_line_pattern;	/* 0x1cd0 */
    	unsigned int re_line_state;
    
    	unsigned int se_line_width;	/* 0x1db8 */
    
    	/* Bumpmap state */
    	unsigned int pp_lum_matrix;	/* 0x1d00 */
    
    	unsigned int pp_rot_matrix_0;	/* 0x1d58 */
    	unsigned int pp_rot_matrix_1;
    
    	/* Mask state */
    	unsigned int rb3d_stencilrefmask;	/* 0x1d7c */
    	unsigned int rb3d_ropcntl;
    	unsigned int rb3d_planemask;
    
    	/* Viewport state */
    	unsigned int se_vport_xscale;	/* 0x1d98 */
    	unsigned int se_vport_xoffset;
    	unsigned int se_vport_yscale;
    	unsigned int se_vport_yoffset;
    	unsigned int se_vport_zscale;
    	unsigned int se_vport_zoffset;
    
    	/* Setup state */
    	unsigned int se_cntl_status;	/* 0x2140 */
    
    	/* Misc state */
    	unsigned int re_top_left;	/* 0x26c0 */
    	unsigned int re_misc;
    } drm_radeon_context_regs_t;
    
    typedef struct {
    	/* Zbias state */
    	unsigned int se_zbias_factor;	/* 0x1dac */
    	unsigned int se_zbias_constant;
    } drm_radeon_context2_regs_t;
    
    /* Setup registers for each texture unit
     */
    typedef struct {
    	unsigned int pp_txfilter;
    	unsigned int pp_txformat;
    	unsigned int pp_txoffset;
    	unsigned int pp_txcblend;
    	unsigned int pp_txablend;
    	unsigned int pp_tfactor;
    	unsigned int pp_border_color;
    } drm_radeon_texture_regs_t;
    
    typedef struct {
    	unsigned int start;
    	unsigned int finish;
    	unsigned int prim:8;
    	unsigned int stateidx:8;
    	unsigned int numverts:16;	/* overloaded as offset/64 for elt prims */
    	unsigned int vc_format;	/* vertex format */
    } drm_radeon_prim_t;
    
    typedef struct {
    	drm_radeon_context_regs_t context;
    	drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
    	drm_radeon_context2_regs_t context2;
    	unsigned int dirty;
    } drm_radeon_state_t;
    
    typedef struct {
    	/* The channel for communication of state information to the
    	 * kernel on firing a vertex buffer with either of the
    	 * obsoleted vertex/index ioctls.
    	 */
    	drm_radeon_context_regs_t context_state;
    	drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
    	unsigned int dirty;
    	unsigned int vertsize;
    	unsigned int vc_format;
    
    	/* The current cliprects, or a subset thereof.
    	 */
    	struct drm_clip_rect boxes[RADEON_NR_SAREA_CLIPRECTS];
    	unsigned int nbox;
    
    	/* Counters for client-side throttling of rendering clients.
    	 */
    	unsigned int last_frame;
    	unsigned int last_dispatch;
    	unsigned int last_clear;
    
    	struct drm_tex_region tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS +
    						       1];
    	unsigned int tex_age[RADEON_NR_TEX_HEAPS];
    	int ctx_owner;
    	int pfState;		/* number of 3d windows (0,1,2ormore) */
    	int pfCurrentPage;	/* which buffer is being displayed? */
    	int crtc2_base;		/* CRTC2 frame offset */
    	int tiling_enabled;	/* set by drm, read by 2d + 3d clients */
    } drm_radeon_sarea_t;
    
    /* WARNING: If you change any of these defines, make sure to change the
     * defines in the Xserver file (xf86drmRadeon.h)
     *
     * KW: actually it's illegal to change any of this (backwards compatibility).
     */
    
    /* Radeon specific ioctls
     * The device specific ioctl range is 0x40 to 0x79.
     */
    #define DRM_RADEON_CP_INIT    0x00
    #define DRM_RADEON_CP_START   0x01
    #define DRM_RADEON_CP_STOP    0x02
    #define DRM_RADEON_CP_RESET   0x03
    #define DRM_RADEON_CP_IDLE    0x04
    #define DRM_RADEON_RESET      0x05
    #define DRM_RADEON_FULLSCREEN 0x06
    #define DRM_RADEON_SWAP       0x07
    #define DRM_RADEON_CLEAR      0x08
    #define DRM_RADEON_VERTEX     0x09
    #define DRM_RADEON_INDICES    0x0A
    #define DRM_RADEON_NOT_USED
    #define DRM_RADEON_STIPPLE    0x0C
    #define DRM_RADEON_INDIRECT   0x0D
    #define DRM_RADEON_TEXTURE    0x0E
    #define DRM_RADEON_VERTEX2    0x0F
    #define DRM_RADEON_CMDBUF     0x10
    #define DRM_RADEON_GETPARAM   0x11
    #define DRM_RADEON_FLIP       0x12
    #define DRM_RADEON_ALLOC      0x13
    #define DRM_RADEON_FREE       0x14
    #define DRM_RADEON_INIT_HEAP  0x15
    #define DRM_RADEON_IRQ_EMIT   0x16
    #define DRM_RADEON_IRQ_WAIT   0x17
    #define DRM_RADEON_CP_RESUME  0x18
    #define DRM_RADEON_SETPARAM   0x19
    #define DRM_RADEON_SURF_ALLOC 0x1a
    #define DRM_RADEON_SURF_FREE  0x1b
    /* KMS ioctl */
    #define DRM_RADEON_GEM_INFO		0x1c
    #define DRM_RADEON_GEM_CREATE		0x1d
    #define DRM_RADEON_GEM_MMAP		0x1e
    #define DRM_RADEON_GEM_PREAD		0x21
    #define DRM_RADEON_GEM_PWRITE		0x22
    #define DRM_RADEON_GEM_SET_DOMAIN	0x23
    #define DRM_RADEON_GEM_WAIT_IDLE	0x24
    #define DRM_RADEON_CS			0x26
    #define DRM_RADEON_INFO			0x27
    #define DRM_RADEON_GEM_SET_TILING	0x28
    #define DRM_RADEON_GEM_GET_TILING	0x29
    #define DRM_RADEON_GEM_BUSY		0x2a
    #define DRM_RADEON_GEM_VA		0x2b
    #define DRM_RADEON_GEM_OP		0x2c
    #define DRM_RADEON_GEM_USERPTR		0x2d
    
    #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
    #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
    #define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_STOP, drm_radeon_cp_stop_t)
    #define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESET)
    #define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_IDLE)
    #define DRM_IOCTL_RADEON_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_RESET)
    #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FULLSCREEN, drm_radeon_fullscreen_t)
    #define DRM_IOCTL_RADEON_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_SWAP)
    #define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CLEAR, drm_radeon_clear_t)
    #define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX, drm_radeon_vertex_t)
    #define DRM_IOCTL_RADEON_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INDICES, drm_radeon_indices_t)
    #define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_STIPPLE, drm_radeon_stipple_t)
    #define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INDIRECT, drm_radeon_indirect_t)
    #define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_TEXTURE, drm_radeon_texture_t)
    #define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX2, drm_radeon_vertex2_t)
    #define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CMDBUF, drm_radeon_cmd_buffer_t)
    #define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GETPARAM, drm_radeon_getparam_t)
    #define DRM_IOCTL_RADEON_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_FLIP)
    #define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_ALLOC, drm_radeon_mem_alloc_t)
    #define DRM_IOCTL_RADEON_FREE       DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FREE, drm_radeon_mem_free_t)
    #define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INIT_HEAP, drm_radeon_mem_init_heap_t)
    #define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_IRQ_EMIT, drm_radeon_irq_emit_t)
    #define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_IRQ_WAIT, drm_radeon_irq_wait_t)
    #define DRM_IOCTL_RADEON_CP_RESUME  DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESUME)
    #define DRM_IOCTL_RADEON_SETPARAM   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SETPARAM, drm_radeon_setparam_t)
    #define DRM_IOCTL_RADEON_SURF_ALLOC DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_ALLOC, drm_radeon_surface_alloc_t)
    #define DRM_IOCTL_RADEON_SURF_FREE  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_FREE, drm_radeon_surface_free_t)
    /* KMS */
    #define DRM_IOCTL_RADEON_GEM_INFO	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_INFO, struct drm_radeon_gem_info)
    #define DRM_IOCTL_RADEON_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_CREATE, struct drm_radeon_gem_create)
    #define DRM_IOCTL_RADEON_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_MMAP, struct drm_radeon_gem_mmap)
    #define DRM_IOCTL_RADEON_GEM_PREAD	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PREAD, struct drm_radeon_gem_pread)
    #define DRM_IOCTL_RADEON_GEM_PWRITE	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PWRITE, struct drm_radeon_gem_pwrite)
    #define DRM_IOCTL_RADEON_GEM_SET_DOMAIN	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_DOMAIN, struct drm_radeon_gem_set_domain)
    #define DRM_IOCTL_RADEON_GEM_WAIT_IDLE	DRM_IOW(DRM_COMMAND_BASE + DRM_RADEON_GEM_WAIT_IDLE, struct drm_radeon_gem_wait_idle)
    #define DRM_IOCTL_RADEON_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_CS, struct drm_radeon_cs)
    #define DRM_IOCTL_RADEON_INFO		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
    #define DRM_IOCTL_RADEON_GEM_SET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
    #define DRM_IOCTL_RADEON_GEM_GET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
    #define DRM_IOCTL_RADEON_GEM_BUSY	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
    #define DRM_IOCTL_RADEON_GEM_VA		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_VA, struct drm_radeon_gem_va)
    #define DRM_IOCTL_RADEON_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_OP, struct drm_radeon_gem_op)
    #define DRM_IOCTL_RADEON_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_USERPTR, struct drm_radeon_gem_userptr)
    
    typedef struct drm_radeon_init {
    	enum {
    		RADEON_INIT_CP = 0x01,
    		RADEON_CLEANUP_CP = 0x02,
    		RADEON_INIT_R200_CP = 0x03,
    		RADEON_INIT_R300_CP = 0x04,
    		RADEON_INIT_R600_CP = 0x05
    	} func;
    	unsigned long sarea_priv_offset;
    	int is_pci;
    	int cp_mode;
    	int gart_size;
    	int ring_size;
    	int usec_timeout;
    
    	unsigned int fb_bpp;
    	unsigned int front_offset, front_pitch;
    	unsigned int back_offset, back_pitch;
    	unsigned int depth_bpp;
    	unsigned int depth_offset, depth_pitch;
    
    	unsigned long fb_offset;
    	unsigned long mmio_offset;
    	unsigned long ring_offset;
    	unsigned long ring_rptr_offset;
    	unsigned long buffers_offset;
    	unsigned long gart_textures_offset;
    } drm_radeon_init_t;
    
    typedef struct drm_radeon_cp_stop {
    	int flush;
    	int idle;
    } drm_radeon_cp_stop_t;
    
    typedef struct drm_radeon_fullscreen {
    	enum {
    		RADEON_INIT_FULLSCREEN = 0x01,
    		RADEON_CLEANUP_FULLSCREEN = 0x02
    	} func;
    } drm_radeon_fullscreen_t;
    
    #define CLEAR_X1	0
    #define CLEAR_Y1	1
    #define CLEAR_X2	2
    #define CLEAR_Y2	3
    #define CLEAR_DEPTH	4
    
    typedef union drm_radeon_clear_rect {
    	float f[5];
    	unsigned int ui[5];
    } drm_radeon_clear_rect_t;
    
    typedef struct drm_radeon_clear {
    	unsigned int flags;
    	unsigned int clear_color;
    	unsigned int clear_depth;
    	unsigned int color_mask;
    	unsigned int depth_mask;	/* misnamed field:  should be stencil */
    	drm_radeon_clear_rect_t *depth_boxes;
    } drm_radeon_clear_t;
    
    typedef struct drm_radeon_vertex {
    	int prim;
    	int idx;		/* Index of vertex buffer */
    	int count;		/* Number of vertices in buffer */
    	int discard;		/* Client finished with buffer? */
    } drm_radeon_vertex_t;
    
    typedef struct drm_radeon_indices {
    	int prim;
    	int idx;
    	int start;
    	int end;
    	int discard;		/* Client finished with buffer? */
    } drm_radeon_indices_t;
    
    /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
     *      - allows multiple primitives and state changes in a single ioctl
     *      - supports driver change to emit native primitives
     */
    typedef struct drm_radeon_vertex2 {
    	int idx;		/* Index of vertex buffer */
    	int discard;		/* Client finished with buffer? */
    	int nr_states;
    	drm_radeon_state_t *state;
    	int nr_prims;
    	drm_radeon_prim_t *prim;
    } drm_radeon_vertex2_t;
    
    /* v1.3 - obsoletes drm_radeon_vertex2
     *      - allows arbitrarily large cliprect list
     *      - allows updating of tcl packet, vector and scalar state
     *      - allows memory-efficient description of state updates
     *      - allows state to be emitted without a primitive
     *           (for clears, ctx switches)
     *      - allows more than one dma buffer to be referenced per ioctl
     *      - supports tcl driver
     *      - may be extended in future versions with new cmd types, packets
     */
    typedef struct drm_radeon_cmd_buffer {
    	int bufsz;
    	char *buf;
    	int nbox;
    	struct drm_clip_rect *boxes;
    } drm_radeon_cmd_buffer_t;
    
    typedef struct drm_radeon_tex_image {
    	unsigned int x, y;	/* Blit coordinates */
    	unsigned int width, height;
    	const void *data;
    } drm_radeon_tex_image_t;
    
    typedef struct drm_radeon_texture {
    	unsigned int offset;
    	int pitch;
    	int format;
    	int width;		/* Texture image coordinates */
    	int height;
    	drm_radeon_tex_image_t *image;
    } drm_radeon_texture_t;
    
    typedef struct drm_radeon_stipple {
    	unsigned int *mask;
    } drm_radeon_stipple_t;
    
    typedef struct drm_radeon_indirect {
    	int idx;
    	int start;
    	int end;
    	int discard;
    } drm_radeon_indirect_t;
    
    /* enum for card type parameters */
    #define RADEON_CARD_PCI 0
    #define RADEON_CARD_AGP 1
    #define RADEON_CARD_PCIE 2
    
    /* 1.3: An ioctl to get parameters that aren't available to the 3d
     * client any other way.
     */
    #define RADEON_PARAM_GART_BUFFER_OFFSET    1	/* card offset of 1st GART buffer */
    #define RADEON_PARAM_LAST_FRAME            2
    #define RADEON_PARAM_LAST_DISPATCH         3
    #define RADEON_PARAM_LAST_CLEAR            4
    /* Added with DRM version 1.6. */
    #define RADEON_PARAM_IRQ_NR                5
    #define RADEON_PARAM_GART_BASE             6	/* card offset of GART base */
    /* Added with DRM version 1.8. */
    #define RADEON_PARAM_REGISTER_HANDLE       7	/* for drmMap() */
    #define RADEON_PARAM_STATUS_HANDLE         8
    #define RADEON_PARAM_SAREA_HANDLE          9
    #define RADEON_PARAM_GART_TEX_HANDLE       10
    #define RADEON_PARAM_SCRATCH_OFFSET        11
    #define RADEON_PARAM_CARD_TYPE             12
    #define RADEON_PARAM_VBLANK_CRTC           13   /* VBLANK CRTC */
    #define RADEON_PARAM_FB_LOCATION           14   /* FB location */
    #define RADEON_PARAM_NUM_GB_PIPES          15   /* num GB pipes */
    #define RADEON_PARAM_DEVICE_ID             16
    #define RADEON_PARAM_NUM_Z_PIPES           17   /* num Z pipes */
    
    typedef struct drm_radeon_getparam {
    	int param;
    	void *value;
    } drm_radeon_getparam_t;
    
    /* 1.6: Set up a memory manager for regions of shared memory:
     */
    #define RADEON_MEM_REGION_GART 1
    #define RADEON_MEM_REGION_FB   2
    
    typedef struct drm_radeon_mem_alloc {
    	int region;
    	int alignment;
    	int size;
    	int *region_offset;	/* offset from start of fb or GART */
    } drm_radeon_mem_alloc_t;
    
    typedef struct drm_radeon_mem_free {
    	int region;
    	int region_offset;
    } drm_radeon_mem_free_t;
    
    typedef struct drm_radeon_mem_init_heap {
    	int region;
    	int size;
    	int start;
    } drm_radeon_mem_init_heap_t;
    
    /* 1.6: Userspace can request & wait on irq's:
     */
    typedef struct drm_radeon_irq_emit {
    	int *irq_seq;
    } drm_radeon_irq_emit_t;
    
    typedef struct drm_radeon_irq_wait {
    	int irq_seq;
    } drm_radeon_irq_wait_t;
    
    /* 1.10: Clients tell the DRM where they think the framebuffer is located in
     * the card's address space, via a new generic ioctl to set parameters
     */
    
    typedef struct drm_radeon_setparam {
    	unsigned int param;
    	__s64 value;
    } drm_radeon_setparam_t;
    
    #define RADEON_SETPARAM_FB_LOCATION    1	/* determined framebuffer location */
    #define RADEON_SETPARAM_SWITCH_TILING  2	/* enable/disable color tiling */
    #define RADEON_SETPARAM_PCIGART_LOCATION 3	/* PCI Gart Location */
    #define RADEON_SETPARAM_NEW_MEMMAP 4		/* Use new memory map */
    #define RADEON_SETPARAM_PCIGART_TABLE_SIZE 5    /* PCI GART Table Size */
    #define RADEON_SETPARAM_VBLANK_CRTC 6           /* VBLANK CRTC */
    /* 1.14: Clients can allocate/free a surface
     */
    typedef struct drm_radeon_surface_alloc {
    	unsigned int address;
    	unsigned int size;
    	unsigned int flags;
    } drm_radeon_surface_alloc_t;
    
    typedef struct drm_radeon_surface_free {
    	unsigned int address;
    } drm_radeon_surface_free_t;
    
    #define	DRM_RADEON_VBLANK_CRTC1		1
    #define	DRM_RADEON_VBLANK_CRTC2		2
    
    /*
     * Kernel modesetting world below.
     */
    #define RADEON_GEM_DOMAIN_CPU		0x1
    #define RADEON_GEM_DOMAIN_GTT		0x2
    #define RADEON_GEM_DOMAIN_VRAM		0x4
    
    struct drm_radeon_gem_info {
    	__u64	gart_size;
    	__u64	vram_size;
    	__u64	vram_visible;
    };
    
    #define RADEON_GEM_NO_BACKING_STORE	(1 << 0)
    #define RADEON_GEM_GTT_UC		(1 << 1)
    #define RADEON_GEM_GTT_WC		(1 << 2)
    /* BO is expected to be accessed by the CPU */
    #define RADEON_GEM_CPU_ACCESS		(1 << 3)
    /* CPU access is not expected to work for this BO */
    #define RADEON_GEM_NO_CPU_ACCESS	(1 << 4)
    
    struct drm_radeon_gem_create {
    	__u64	size;
    	__u64	alignment;
    	__u32	handle;
    	__u32	initial_domain;
    	__u32	flags;
    };
    
    /*
     * This is not a reliable API and you should expect it to fail for any
     * number of reasons and have fallback path that do not use userptr to
     * perform any operation.
     */
    #define RADEON_GEM_USERPTR_READONLY	(1 << 0)
    #define RADEON_GEM_USERPTR_ANONONLY	(1 << 1)
    #define RADEON_GEM_USERPTR_VALIDATE	(1 << 2)
    #define RADEON_GEM_USERPTR_REGISTER	(1 << 3)
    
    struct drm_radeon_gem_userptr {
    	__u64		addr;
    	__u64		size;
    	__u32		flags;
    	__u32		handle;
    };
    
    #define RADEON_TILING_MACRO				0x1
    #define RADEON_TILING_MICRO				0x2
    #define RADEON_TILING_SWAP_16BIT			0x4
    #define RADEON_TILING_R600_NO_SCANOUT                   RADEON_TILING_SWAP_16BIT
    #define RADEON_TILING_SWAP_32BIT			0x8
    /* this object requires a surface when mapped - i.e. front buffer */
    #define RADEON_TILING_SURFACE				0x10
    #define RADEON_TILING_MICRO_SQUARE			0x20
    #define RADEON_TILING_EG_BANKW_SHIFT			8
    #define RADEON_TILING_EG_BANKW_MASK			0xf
    #define RADEON_TILING_EG_BANKH_SHIFT			12
    #define RADEON_TILING_EG_BANKH_MASK			0xf
    #define RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT	16
    #define RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK		0xf
    #define RADEON_TILING_EG_TILE_SPLIT_SHIFT		24
    #define RADEON_TILING_EG_TILE_SPLIT_MASK		0xf
    #define RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT	28
    #define RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK	0xf
    
    struct drm_radeon_gem_set_tiling {
    	__u32	handle;
    	__u32	tiling_flags;
    	__u32	pitch;
    };
    
    struct drm_radeon_gem_get_tiling {
    	__u32	handle;
    	__u32	tiling_flags;
    	__u32	pitch;
    };
    
    struct drm_radeon_gem_mmap {
    	__u32	handle;
    	__u32	pad;
    	__u64	offset;
    	__u64	size;
    	__u64	addr_ptr;
    };
    
    struct drm_radeon_gem_set_domain {
    	__u32	handle;
    	__u32	read_domains;
    	__u32	write_domain;
    };
    
    struct drm_radeon_gem_wait_idle {
    	__u32	handle;
    	__u32	pad;
    };
    
    struct drm_radeon_gem_busy {
    	__u32	handle;
    	__u32        domain;
    };
    
    struct drm_radeon_gem_pread {
    	/** Handle for the object being read. */
    	__u32 handle;
    	__u32 pad;
    	/** Offset into the object to read from */
    	__u64 offset;
    	/** Length of data to read */
    	__u64 size;
    	/** Pointer to write the data into. */
    	/* void *, but pointers are not 32/64 compatible */
    	__u64 data_ptr;
    };
    
    struct drm_radeon_gem_pwrite {
    	/** Handle for the object being written to. */
    	__u32 handle;
    	__u32 pad;
    	/** Offset into the object to write to */
    	__u64 offset;
    	/** Length of data to write */
    	__u64 size;
    	/** Pointer to read the data from. */
    	/* void *, but pointers are not 32/64 compatible */
    	__u64 data_ptr;
    };
    
    /* Sets or returns a value associated with a buffer. */
    struct drm_radeon_gem_op {
    	__u32	handle; /* buffer */
    	__u32	op;     /* RADEON_GEM_OP_* */
    	__u64	value;  /* input or return value */
    };
    
    #define RADEON_GEM_OP_GET_INITIAL_DOMAIN	0
    #define RADEON_GEM_OP_SET_INITIAL_DOMAIN	1
    
    #define RADEON_VA_MAP			1
    #define RADEON_VA_UNMAP			2
    
    #define RADEON_VA_RESULT_OK		0
    #define RADEON_VA_RESULT_ERROR		1
    #define RADEON_VA_RESULT_VA_EXIST	2
    
    #define RADEON_VM_PAGE_VALID		(1 << 0)
    #define RADEON_VM_PAGE_READABLE		(1 << 1)
    #define RADEON_VM_PAGE_WRITEABLE	(1 << 2)
    #define RADEON_VM_PAGE_SYSTEM		(1 << 3)
    #define RADEON_VM_PAGE_SNOOPED		(1 << 4)
    
    struct drm_radeon_gem_va {
    	__u32		handle;
    	__u32		operation;
    	__u32		vm_id;
    	__u32		flags;
    	__u64		offset;
    };
    
    #define RADEON_CHUNK_ID_RELOCS	0x01
    #define RADEON_CHUNK_ID_IB	0x02
    #define RADEON_CHUNK_ID_FLAGS	0x03
    #define RADEON_CHUNK_ID_CONST_IB	0x04
    
    /* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
    #define RADEON_CS_KEEP_TILING_FLAGS 0x01
    #define RADEON_CS_USE_VM            0x02
    #define RADEON_CS_END_OF_FRAME      0x04 /* a hint from userspace which CS is the last one */
    /* The second dword of RADEON_CHUNK_ID_FLAGS is a uint32 that sets the ring type */
    #define RADEON_CS_RING_GFX          0
    #define RADEON_CS_RING_COMPUTE      1
    #define RADEON_CS_RING_DMA          2
    #define RADEON_CS_RING_UVD          3
    #define RADEON_CS_RING_VCE          4
    /* The third dword of RADEON_CHUNK_ID_FLAGS is a sint32 that sets the priority */
    /* 0 = normal, + = higher priority, - = lower priority */
    
    struct drm_radeon_cs_chunk {
    	__u32		chunk_id;
    	__u32		length_dw;
    	__u64		chunk_data;
    };
    
    /* drm_radeon_cs_reloc.flags */
    #define RADEON_RELOC_PRIO_MASK		(0xf << 0)
    
    struct drm_radeon_cs_reloc {
    	__u32		handle;
    	__u32		read_domains;
    	__u32		write_domain;
    	__u32		flags;
    };
    
    struct drm_radeon_cs {
    	__u32		num_chunks;
    	__u32		cs_id;
    	/* this points to __u64 * which point to cs chunks */
    	__u64		chunks;
    	/* updates to the limits after this CS ioctl */
    	__u64		gart_limit;
    	__u64		vram_limit;
    };
    
    #define RADEON_INFO_DEVICE_ID		0x00
    #define RADEON_INFO_NUM_GB_PIPES	0x01
    #define RADEON_INFO_NUM_Z_PIPES 	0x02
    #define RADEON_INFO_ACCEL_WORKING	0x03
    #define RADEON_INFO_CRTC_FROM_ID	0x04
    #define RADEON_INFO_ACCEL_WORKING2	0x05
    #define RADEON_INFO_TILING_CONFIG	0x06
    #define RADEON_INFO_WANT_HYPERZ		0x07
    #define RADEON_INFO_WANT_CMASK		0x08 /* get access to CMASK on r300 */
    #define RADEON_INFO_CLOCK_CRYSTAL_FREQ	0x09 /* clock crystal frequency */
    #define RADEON_INFO_NUM_BACKENDS	0x0a /* DB/backends for r600+ - need for OQ */
    #define RADEON_INFO_NUM_TILE_PIPES	0x0b /* tile pipes for r600+ */
    #define RADEON_INFO_FUSION_GART_WORKING	0x0c /* fusion writes to GTT were broken before this */
    #define RADEON_INFO_BACKEND_MAP		0x0d /* pipe to backend map, needed by mesa */
    /* virtual address start, va < start are reserved by the kernel */
    #define RADEON_INFO_VA_START		0x0e
    /* maximum size of ib using the virtual memory cs */
    #define RADEON_INFO_IB_VM_MAX_SIZE	0x0f
    /* max pipes - needed for compute shaders */
    #define RADEON_INFO_MAX_PIPES		0x10
    /* timestamp for GL_ARB_timer_query (OpenGL), returns the current GPU clock */
    #define RADEON_INFO_TIMESTAMP		0x11
    /* max shader engines (SE) - needed for geometry shaders, etc. */
    #define RADEON_INFO_MAX_SE		0x12
    /* max SH per SE */
    #define RADEON_INFO_MAX_SH_PER_SE	0x13
    /* fast fb access is enabled */
    #define RADEON_INFO_FASTFB_WORKING	0x14
    /* query if a RADEON_CS_RING_* submission is supported */
    #define RADEON_INFO_RING_WORKING	0x15
    /* SI tile mode array */
    #define RADEON_INFO_SI_TILE_MODE_ARRAY	0x16
    /* query if CP DMA is supported on the compute ring */
    #define RADEON_INFO_SI_CP_DMA_COMPUTE	0x17
    /* CIK macrotile mode array */
    #define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY	0x18
    /* query the number of render backends */
    #define RADEON_INFO_SI_BACKEND_ENABLED_MASK	0x19
    /* max engine clock - needed for OpenCL */
    #define RADEON_INFO_MAX_SCLK		0x1a
    /* version of VCE firmware */
    #define RADEON_INFO_VCE_FW_VERSION	0x1b
    /* version of VCE feedback */
    #define RADEON_INFO_VCE_FB_VERSION	0x1c
    #define RADEON_INFO_NUM_BYTES_MOVED	0x1d
    #define RADEON_INFO_VRAM_USAGE		0x1e
    #define RADEON_INFO_GTT_USAGE		0x1f
    #define RADEON_INFO_ACTIVE_CU_COUNT	0x20
    #define RADEON_INFO_CURRENT_GPU_TEMP	0x21
    #define RADEON_INFO_CURRENT_GPU_SCLK	0x22
    #define RADEON_INFO_CURRENT_GPU_MCLK	0x23
    #define RADEON_INFO_READ_REG		0x24
    #define RADEON_INFO_VA_UNMAP_WORKING	0x25
    #define RADEON_INFO_GPU_RESET_COUNTER	0x26
    
    struct drm_radeon_info {
    	__u32		request;
    	__u32		pad;
    	__u64		value;
    };
    
    /* Those correspond to the tile index to use, this is to explicitly state
     * the API that is implicitly defined by the tile mode array.
     */
    #define SI_TILE_MODE_COLOR_LINEAR_ALIGNED	8
    #define SI_TILE_MODE_COLOR_1D			13
    #define SI_TILE_MODE_COLOR_1D_SCANOUT		9
    #define SI_TILE_MODE_COLOR_2D_8BPP		14
    #define SI_TILE_MODE_COLOR_2D_16BPP		15
    #define SI_TILE_MODE_COLOR_2D_32BPP		16
    #define SI_TILE_MODE_COLOR_2D_64BPP		17
    #define SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP	11
    #define SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP	12
    #define SI_TILE_MODE_DEPTH_STENCIL_1D		4
    #define SI_TILE_MODE_DEPTH_STENCIL_2D		0
    #define SI_TILE_MODE_DEPTH_STENCIL_2D_2AA	3
    #define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA	3
    #define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA	2
    
    #define CIK_TILE_MODE_DEPTH_STENCIL_1D		5
    
    #if defined(__cplusplus)
    }
    #endif
    
    #endif