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Edit File : vc4_drm.h \| Size : 14.12 KB
/* * Copyright © 2014-2015 Broadcom * * 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 * THE AUTHORS OR COPYRIGHT HOLDERS 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. / #ifndef _VC4_DRM_H_ #define _VC4_DRM_H_ #include "drm.h" #if defined(__cplusplus) extern "C" { #endif #define DRM_VC4_SUBMIT_CL 0x00 #define DRM_VC4_WAIT_SEQNO 0x01 #define DRM_VC4_WAIT_BO 0x02 #define DRM_VC4_CREATE_BO 0x03 #define DRM_VC4_MMAP_BO 0x04 #define DRM_VC4_CREATE_SHADER_BO 0x05 #define DRM_VC4_GET_HANG_STATE 0x06 #define DRM_VC4_GET_PARAM 0x07 #define DRM_VC4_SET_TILING 0x08 #define DRM_VC4_GET_TILING 0x09 #define DRM_VC4_LABEL_BO 0x0a #define DRM_VC4_GEM_MADVISE 0x0b #define DRM_VC4_PERFMON_CREATE 0x0c #define DRM_VC4_PERFMON_DESTROY 0x0d #define DRM_VC4_PERFMON_GET_VALUES 0x0e #define DRM_IOCTL_VC4_SUBMIT_CL DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SUBMIT_CL, struct drm_vc4_submit_cl) #define DRM_IOCTL_VC4_WAIT_SEQNO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_SEQNO, struct drm_vc4_wait_seqno) #define DRM_IOCTL_VC4_WAIT_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_BO, struct drm_vc4_wait_bo) #define DRM_IOCTL_VC4_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_BO, struct drm_vc4_create_bo) #define DRM_IOCTL_VC4_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_MMAP_BO, struct drm_vc4_mmap_bo) #define DRM_IOCTL_VC4_CREATE_SHADER_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_SHADER_BO, struct drm_vc4_create_shader_bo) #define DRM_IOCTL_VC4_GET_HANG_STATE DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_HANG_STATE, struct drm_vc4_get_hang_state) #define DRM_IOCTL_VC4_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_PARAM, struct drm_vc4_get_param) #define DRM_IOCTL_VC4_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SET_TILING, struct drm_vc4_set_tiling) #define DRM_IOCTL_VC4_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_TILING, struct drm_vc4_get_tiling) #define DRM_IOCTL_VC4_LABEL_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_LABEL_BO, struct drm_vc4_label_bo) #define DRM_IOCTL_VC4_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GEM_MADVISE, struct drm_vc4_gem_madvise) #define DRM_IOCTL_VC4_PERFMON_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_CREATE, struct drm_vc4_perfmon_create) #define DRM_IOCTL_VC4_PERFMON_DESTROY DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_DESTROY, struct drm_vc4_perfmon_destroy) #define DRM_IOCTL_VC4_PERFMON_GET_VALUES DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_GET_VALUES, struct drm_vc4_perfmon_get_values) struct drm_vc4_submit_rcl_surface { __u32 hindex; / Handle index, or ~0 if not present. / __u32 offset; / Offset to start of buffer. / / * Bits for either render config (color_write) or load/store packet. * Bits should all be 0 for MSAA load/stores. / __u16 bits; #define VC4_SUBMIT_RCL_SURFACE_READ_IS_FULL_RES (1 << 0) __u16 flags; }; /* * struct drm_vc4_submit_cl - ioctl argument for submitting commands to the 3D * engine. * * Drivers typically use GPU BOs to store batchbuffers / command lists and * their associated state. However, because the VC4 lacks an MMU, we have to * do validation of memory accesses by the GPU commands. If we were to store * our commands in BOs, we'd need to do uncached readback from them to do the * validation process, which is too expensive. Instead, userspace accumulates * commands and associated state in plain memory, then the kernel copies the * data to its own address space, and then validates and stores it in a GPU * BO. / struct drm_vc4_submit_cl { / Pointer to the binner command list. * * This is the first set of commands executed, which runs the * coordinate shader to determine where primitives land on the screen, * then writes out the state updates and draw calls necessary per tile * to the tile allocation BO. / __u64 bin_cl; / Pointer to the shader records. * * Shader records are the structures read by the hardware that contain * pointers to uniforms, shaders, and vertex attributes. The * reference to the shader record has enough information to determine * how many pointers are necessary (fixed number for shaders/uniforms, * and an attribute count), so those BO indices into bo_handles are * just stored as __u32s before each shader record passed in. / __u64 shader_rec; / Pointer to uniform data and texture handles for the textures * referenced by the shader. * * For each shader state record, there is a set of uniform data in the * order referenced by the record (FS, VS, then CS). Each set of * uniform data has a __u32 index into bo_handles per texture * sample operation, in the order the QPU_W_TMUn_S writes appear in * the program. Following the texture BO handle indices is the actual * uniform data. * * The individual uniform state blocks don't have sizes passed in, * because the kernel has to determine the sizes anyway during shader * code validation. / __u64 uniforms; __u64 bo_handles; / Size in bytes of the binner command list. / __u32 bin_cl_size; / Size in bytes of the set of shader records. / __u32 shader_rec_size; / Number of shader records. * * This could just be computed from the contents of shader_records and * the address bits of references to them from the bin CL, but it * keeps the kernel from having to resize some allocations it makes. / __u32 shader_rec_count; / Size in bytes of the uniform state. / __u32 uniforms_size; / Number of BO handles passed in (size is that times 4). / __u32 bo_handle_count; / RCL setup: / __u16 width; __u16 height; __u8 min_x_tile; __u8 min_y_tile; __u8 max_x_tile; __u8 max_y_tile; struct drm_vc4_submit_rcl_surface color_read; struct drm_vc4_submit_rcl_surface color_write; struct drm_vc4_submit_rcl_surface zs_read; struct drm_vc4_submit_rcl_surface zs_write; struct drm_vc4_submit_rcl_surface msaa_color_write; struct drm_vc4_submit_rcl_surface msaa_zs_write; __u32 clear_color[2]; __u32 clear_z; __u8 clear_s; __u32 pad:24; #define VC4_SUBMIT_CL_USE_CLEAR_COLOR (1 << 0) / By default, the kernel gets to choose the order that the tiles are * rendered in. If this is set, then the tiles will be rendered in a * raster order, with the right-to-left vs left-to-right and * top-to-bottom vs bottom-to-top dictated by * VC4_SUBMIT_CL_RCL_ORDER_INCREASING_. This allows overlapping blits to be implemented using the 3D engine. / #define VC4_SUBMIT_CL_FIXED_RCL_ORDER (1 << 1) #define VC4_SUBMIT_CL_RCL_ORDER_INCREASING_X (1 << 2) #define VC4_SUBMIT_CL_RCL_ORDER_INCREASING_Y (1 << 3) __u32 flags; / Returned value of the seqno of this render job (for the * wait ioctl). / __u64 seqno; / ID of the perfmon to attach to this job. 0 means no perfmon. / __u32 perfmonid; / Syncobj handle to wait on. If set, processing of this render job * will not start until the syncobj is signaled. 0 means ignore. / __u32 in_sync; / Syncobj handle to export fence to. If set, the fence in the syncobj * will be replaced with a fence that signals upon completion of this * render job. 0 means ignore. / __u32 out_sync; __u32 pad2; }; /* * struct drm_vc4_wait_seqno - ioctl argument for waiting for * DRM_VC4_SUBMIT_CL completion using its returned seqno. * * timeout_ns is the timeout in nanoseconds, where "0" means "don't * block, just return the status." / struct drm_vc4_wait_seqno { __u64 seqno; __u64 timeout_ns; }; /* * struct drm_vc4_wait_bo - ioctl argument for waiting for * completion of the last DRM_VC4_SUBMIT_CL on a BO. * * This is useful for cases where multiple processes might be * rendering to a BO and you want to wait for all rendering to be * completed. / struct drm_vc4_wait_bo { __u32 handle; __u32 pad; __u64 timeout_ns; }; /* * struct drm_vc4_create_bo - ioctl argument for creating VC4 BOs. * * There are currently no values for the flags argument, but it may be * used in a future extension. / struct drm_vc4_create_bo { __u32 size; __u32 flags; /* Returned GEM handle for the BO. / __u32 handle; __u32 pad; }; /* * struct drm_vc4_mmap_bo - ioctl argument for mapping VC4 BOs. * * This doesn't actually perform an mmap. Instead, it returns the * offset you need to use in an mmap on the DRM device node. This * means that tools like valgrind end up knowing about the mapped * memory. * * There are currently no values for the flags argument, but it may be * used in a future extension. / struct drm_vc4_mmap_bo { /* Handle for the object being mapped. / __u32 handle; __u32 flags; /* offset into the drm node to use for subsequent mmap call. / __u64 offset; }; /* * struct drm_vc4_create_shader_bo - ioctl argument for creating VC4 * shader BOs. * * Since allowing a shader to be overwritten while it's also being * executed from would allow privlege escalation, shaders must be * created using this ioctl, and they can't be mmapped later. / struct drm_vc4_create_shader_bo { / Size of the data argument. / __u32 size; / Flags, currently must be 0. / __u32 flags; / Pointer to the data. / __u64 data; /* Returned GEM handle for the BO. / __u32 handle; / Pad, must be 0. / __u32 pad; }; struct drm_vc4_get_hang_state_bo { __u32 handle; __u32 paddr; __u32 size; __u32 pad; }; /* * struct drm_vc4_hang_state - ioctl argument for collecting state * from a GPU hang for analysis. / struct drm_vc4_get_hang_state { /* Pointer to array of struct drm_vc4_get_hang_state_bo. / __u64 bo; /* * On input, the size of the bo array. Output is the number * of bos to be returned. / __u32 bo_count; __u32 start_bin, start_render; __u32 ct0ca, ct0ea; __u32 ct1ca, ct1ea; __u32 ct0cs, ct1cs; __u32 ct0ra0, ct1ra0; __u32 bpca, bpcs; __u32 bpoa, bpos; __u32 vpmbase; __u32 dbge; __u32 fdbgo; __u32 fdbgb; __u32 fdbgr; __u32 fdbgs; __u32 errstat; / Pad that we may save more registers into in the future. / __u32 pad[16]; }; #define DRM_VC4_PARAM_V3D_IDENT0 0 #define DRM_VC4_PARAM_V3D_IDENT1 1 #define DRM_VC4_PARAM_V3D_IDENT2 2 #define DRM_VC4_PARAM_SUPPORTS_BRANCHES 3 #define DRM_VC4_PARAM_SUPPORTS_ETC1 4 #define DRM_VC4_PARAM_SUPPORTS_THREADED_FS 5 #define DRM_VC4_PARAM_SUPPORTS_FIXED_RCL_ORDER 6 #define DRM_VC4_PARAM_SUPPORTS_MADVISE 7 #define DRM_VC4_PARAM_SUPPORTS_PERFMON 8 struct drm_vc4_get_param { __u32 param; __u32 pad; __u64 value; }; struct drm_vc4_get_tiling { __u32 handle; __u32 flags; __u64 modifier; }; struct drm_vc4_set_tiling { __u32 handle; __u32 flags; __u64 modifier; }; /* * struct drm_vc4_label_bo - Attach a name to a BO for debug purposes. / struct drm_vc4_label_bo { __u32 handle; __u32 len; __u64 name; }; / * States prefixed with '__' are internal states and cannot be passed to the * DRM_IOCTL_VC4_GEM_MADVISE ioctl. / #define VC4_MADV_WILLNEED 0 #define VC4_MADV_DONTNEED 1 #define __VC4_MADV_PURGED 2 #define __VC4_MADV_NOTSUPP 3 struct drm_vc4_gem_madvise { __u32 handle; __u32 madv; __u32 retained; __u32 pad; }; enum { VC4_PERFCNT_FEP_VALID_PRIMS_NO_RENDER, VC4_PERFCNT_FEP_VALID_PRIMS_RENDER, VC4_PERFCNT_FEP_CLIPPED_QUADS, VC4_PERFCNT_FEP_VALID_QUADS, VC4_PERFCNT_TLB_QUADS_NOT_PASSING_STENCIL, VC4_PERFCNT_TLB_QUADS_NOT_PASSING_Z_AND_STENCIL, VC4_PERFCNT_TLB_QUADS_PASSING_Z_AND_STENCIL, VC4_PERFCNT_TLB_QUADS_ZERO_COVERAGE, VC4_PERFCNT_TLB_QUADS_NON_ZERO_COVERAGE, VC4_PERFCNT_TLB_QUADS_WRITTEN_TO_COLOR_BUF, VC4_PERFCNT_PLB_PRIMS_OUTSIDE_VIEWPORT, VC4_PERFCNT_PLB_PRIMS_NEED_CLIPPING, VC4_PERFCNT_PSE_PRIMS_REVERSED, VC4_PERFCNT_QPU_TOTAL_IDLE_CYCLES, VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_VERTEX_COORD_SHADING, VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_FRAGMENT_SHADING, VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_EXEC_VALID_INST, VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_WAITING_TMUS, VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_WAITING_SCOREBOARD, VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_WAITING_VARYINGS, VC4_PERFCNT_QPU_TOTAL_INST_CACHE_HIT, VC4_PERFCNT_QPU_TOTAL_INST_CACHE_MISS, VC4_PERFCNT_QPU_TOTAL_UNIFORM_CACHE_HIT, VC4_PERFCNT_QPU_TOTAL_UNIFORM_CACHE_MISS, VC4_PERFCNT_TMU_TOTAL_TEXT_QUADS_PROCESSED, VC4_PERFCNT_TMU_TOTAL_TEXT_CACHE_MISS, VC4_PERFCNT_VPM_TOTAL_CLK_CYCLES_VDW_STALLED, VC4_PERFCNT_VPM_TOTAL_CLK_CYCLES_VCD_STALLED, VC4_PERFCNT_L2C_TOTAL_L2_CACHE_HIT, VC4_PERFCNT_L2C_TOTAL_L2_CACHE_MISS, VC4_PERFCNT_NUM_EVENTS, }; #define DRM_VC4_MAX_PERF_COUNTERS 16 struct drm_vc4_perfmon_create { __u32 id; __u32 ncounters; __u8 events[DRM_VC4_MAX_PERF_COUNTERS]; }; struct drm_vc4_perfmon_destroy { __u32 id; }; / * Returns the values of the performance counters tracked by this * perfmon (as an array of ncounters u64 values). * * No implicit synchronization is performed, so the user has to * guarantee that any jobs using this perfmon have already been * completed (probably by blocking on the seqno returned by the * last exec that used the perfmon). / struct drm_vc4_perfmon_get_values { __u32 id; __u64 values_ptr; }; #if defined(__cplusplus) } #endif #endif / _VC4_DRM_H_ */ Back

Edit File : vc4_drm.h | Size : 14.12 KB

/*
 * Copyright © 2014-2015 Broadcom
 *
 * 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
 * THE AUTHORS OR COPYRIGHT HOLDERS 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.
 */

#ifndef _VC4_DRM_H_
#define _VC4_DRM_H_

#include "drm.h"

#if defined(__cplusplus)
extern "C" {
#endif

#define DRM_VC4_SUBMIT_CL                         0x00
#define DRM_VC4_WAIT_SEQNO                        0x01
#define DRM_VC4_WAIT_BO                           0x02
#define DRM_VC4_CREATE_BO                         0x03
#define DRM_VC4_MMAP_BO                           0x04
#define DRM_VC4_CREATE_SHADER_BO                  0x05
#define DRM_VC4_GET_HANG_STATE                    0x06
#define DRM_VC4_GET_PARAM                         0x07
#define DRM_VC4_SET_TILING                        0x08
#define DRM_VC4_GET_TILING                        0x09
#define DRM_VC4_LABEL_BO                          0x0a
#define DRM_VC4_GEM_MADVISE                       0x0b
#define DRM_VC4_PERFMON_CREATE                    0x0c
#define DRM_VC4_PERFMON_DESTROY                   0x0d
#define DRM_VC4_PERFMON_GET_VALUES                0x0e

#define DRM_IOCTL_VC4_SUBMIT_CL           DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SUBMIT_CL, struct drm_vc4_submit_cl)
#define DRM_IOCTL_VC4_WAIT_SEQNO          DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_SEQNO, struct drm_vc4_wait_seqno)
#define DRM_IOCTL_VC4_WAIT_BO             DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_BO, struct drm_vc4_wait_bo)
#define DRM_IOCTL_VC4_CREATE_BO           DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_BO, struct drm_vc4_create_bo)
#define DRM_IOCTL_VC4_MMAP_BO             DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_MMAP_BO, struct drm_vc4_mmap_bo)
#define DRM_IOCTL_VC4_CREATE_SHADER_BO    DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_SHADER_BO, struct drm_vc4_create_shader_bo)
#define DRM_IOCTL_VC4_GET_HANG_STATE      DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_HANG_STATE, struct drm_vc4_get_hang_state)
#define DRM_IOCTL_VC4_GET_PARAM           DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_PARAM, struct drm_vc4_get_param)
#define DRM_IOCTL_VC4_SET_TILING          DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SET_TILING, struct drm_vc4_set_tiling)
#define DRM_IOCTL_VC4_GET_TILING          DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_TILING, struct drm_vc4_get_tiling)
#define DRM_IOCTL_VC4_LABEL_BO            DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_LABEL_BO, struct drm_vc4_label_bo)
#define DRM_IOCTL_VC4_GEM_MADVISE         DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GEM_MADVISE, struct drm_vc4_gem_madvise)
#define DRM_IOCTL_VC4_PERFMON_CREATE      DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_CREATE, struct drm_vc4_perfmon_create)
#define DRM_IOCTL_VC4_PERFMON_DESTROY     DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_DESTROY, struct drm_vc4_perfmon_destroy)
#define DRM_IOCTL_VC4_PERFMON_GET_VALUES  DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_GET_VALUES, struct drm_vc4_perfmon_get_values)

struct drm_vc4_submit_rcl_surface {
	__u32 hindex; /* Handle index, or ~0 if not present. */
	__u32 offset; /* Offset to start of buffer. */
	/*
	 * Bits for either render config (color_write) or load/store packet.
	 * Bits should all be 0 for MSAA load/stores.
	 */
	__u16 bits;

#define VC4_SUBMIT_RCL_SURFACE_READ_IS_FULL_RES		(1 << 0)
	__u16 flags;
};

/**
 * struct drm_vc4_submit_cl - ioctl argument for submitting commands to the 3D
 * engine.
 *
 * Drivers typically use GPU BOs to store batchbuffers / command lists and
 * their associated state.  However, because the VC4 lacks an MMU, we have to
 * do validation of memory accesses by the GPU commands.  If we were to store
 * our commands in BOs, we'd need to do uncached readback from them to do the
 * validation process, which is too expensive.  Instead, userspace accumulates
 * commands and associated state in plain memory, then the kernel copies the
 * data to its own address space, and then validates and stores it in a GPU
 * BO.
 */
struct drm_vc4_submit_cl {
	/* Pointer to the binner command list.
	 *
	 * This is the first set of commands executed, which runs the
	 * coordinate shader to determine where primitives land on the screen,
	 * then writes out the state updates and draw calls necessary per tile
	 * to the tile allocation BO.
	 */
	__u64 bin_cl;

/* Pointer to the shader records.
	 *
	 * Shader records are the structures read by the hardware that contain
	 * pointers to uniforms, shaders, and vertex attributes.  The
	 * reference to the shader record has enough information to determine
	 * how many pointers are necessary (fixed number for shaders/uniforms,
	 * and an attribute count), so those BO indices into bo_handles are
	 * just stored as __u32s before each shader record passed in.
	 */
	__u64 shader_rec;

/* Pointer to uniform data and texture handles for the textures
	 * referenced by the shader.
	 *
	 * For each shader state record, there is a set of uniform data in the
	 * order referenced by the record (FS, VS, then CS).  Each set of
	 * uniform data has a __u32 index into bo_handles per texture
	 * sample operation, in the order the QPU_W_TMUn_S writes appear in
	 * the program.  Following the texture BO handle indices is the actual
	 * uniform data.
	 *
	 * The individual uniform state blocks don't have sizes passed in,
	 * because the kernel has to determine the sizes anyway during shader
	 * code validation.
	 */
	__u64 uniforms;
	__u64 bo_handles;

/* Size in bytes of the binner command list. */
	__u32 bin_cl_size;
	/* Size in bytes of the set of shader records. */
	__u32 shader_rec_size;
	/* Number of shader records.
	 *
	 * This could just be computed from the contents of shader_records and
	 * the address bits of references to them from the bin CL, but it
	 * keeps the kernel from having to resize some allocations it makes.
	 */
	__u32 shader_rec_count;
	/* Size in bytes of the uniform state. */
	__u32 uniforms_size;

/* Number of BO handles passed in (size is that times 4). */
	__u32 bo_handle_count;

/* RCL setup: */
	__u16 width;
	__u16 height;
	__u8 min_x_tile;
	__u8 min_y_tile;
	__u8 max_x_tile;
	__u8 max_y_tile;
	struct drm_vc4_submit_rcl_surface color_read;
	struct drm_vc4_submit_rcl_surface color_write;
	struct drm_vc4_submit_rcl_surface zs_read;
	struct drm_vc4_submit_rcl_surface zs_write;
	struct drm_vc4_submit_rcl_surface msaa_color_write;
	struct drm_vc4_submit_rcl_surface msaa_zs_write;
	__u32 clear_color[2];
	__u32 clear_z;
	__u8 clear_s;

__u32 pad:24;

#define VC4_SUBMIT_CL_USE_CLEAR_COLOR			(1 << 0)
/* By default, the kernel gets to choose the order that the tiles are
 * rendered in.  If this is set, then the tiles will be rendered in a
 * raster order, with the right-to-left vs left-to-right and
 * top-to-bottom vs bottom-to-top dictated by
 * VC4_SUBMIT_CL_RCL_ORDER_INCREASING_*.  This allows overlapping
 * blits to be implemented using the 3D engine.
 */
#define VC4_SUBMIT_CL_FIXED_RCL_ORDER			(1 << 1)
#define VC4_SUBMIT_CL_RCL_ORDER_INCREASING_X		(1 << 2)
#define VC4_SUBMIT_CL_RCL_ORDER_INCREASING_Y		(1 << 3)
	__u32 flags;

/* Returned value of the seqno of this render job (for the
	 * wait ioctl).
	 */
	__u64 seqno;

/* ID of the perfmon to attach to this job. 0 means no perfmon. */
	__u32 perfmonid;

/* Syncobj handle to wait on. If set, processing of this render job
	 * will not start until the syncobj is signaled. 0 means ignore.
	 */
	__u32 in_sync;

/* Syncobj handle to export fence to. If set, the fence in the syncobj
	 * will be replaced with a fence that signals upon completion of this
	 * render job. 0 means ignore.
	 */
	__u32 out_sync;

__u32 pad2;
};

/**
 * struct drm_vc4_wait_seqno - ioctl argument for waiting for
 * DRM_VC4_SUBMIT_CL completion using its returned seqno.
 *
 * timeout_ns is the timeout in nanoseconds, where "0" means "don't
 * block, just return the status."
 */
struct drm_vc4_wait_seqno {
	__u64 seqno;
	__u64 timeout_ns;
};

/**
 * struct drm_vc4_wait_bo - ioctl argument for waiting for
 * completion of the last DRM_VC4_SUBMIT_CL on a BO.
 *
 * This is useful for cases where multiple processes might be
 * rendering to a BO and you want to wait for all rendering to be
 * completed.
 */
struct drm_vc4_wait_bo {
	__u32 handle;
	__u32 pad;
	__u64 timeout_ns;
};

/**
 * struct drm_vc4_create_bo - ioctl argument for creating VC4 BOs.
 *
 * There are currently no values for the flags argument, but it may be
 * used in a future extension.
 */
struct drm_vc4_create_bo {
	__u32 size;
	__u32 flags;
	/** Returned GEM handle for the BO. */
	__u32 handle;
	__u32 pad;
};

/**
 * struct drm_vc4_mmap_bo - ioctl argument for mapping VC4 BOs.
 *
 * This doesn't actually perform an mmap.  Instead, it returns the
 * offset you need to use in an mmap on the DRM device node.  This
 * means that tools like valgrind end up knowing about the mapped
 * memory.
 *
 * There are currently no values for the flags argument, but it may be
 * used in a future extension.
 */
struct drm_vc4_mmap_bo {
	/** Handle for the object being mapped. */
	__u32 handle;
	__u32 flags;
	/** offset into the drm node to use for subsequent mmap call. */
	__u64 offset;
};

/**
 * struct drm_vc4_create_shader_bo - ioctl argument for creating VC4
 * shader BOs.
 *
 * Since allowing a shader to be overwritten while it's also being
 * executed from would allow privlege escalation, shaders must be
 * created using this ioctl, and they can't be mmapped later.
 */
struct drm_vc4_create_shader_bo {
	/* Size of the data argument. */
	__u32 size;
	/* Flags, currently must be 0. */
	__u32 flags;

/* Pointer to the data. */
	__u64 data;

/** Returned GEM handle for the BO. */
	__u32 handle;
	/* Pad, must be 0. */
	__u32 pad;
};

struct drm_vc4_get_hang_state_bo {
	__u32 handle;
	__u32 paddr;
	__u32 size;
	__u32 pad;
};

/**
 * struct drm_vc4_hang_state - ioctl argument for collecting state
 * from a GPU hang for analysis.
*/
struct drm_vc4_get_hang_state {
	/** Pointer to array of struct drm_vc4_get_hang_state_bo. */
	__u64 bo;
	/**
	 * On input, the size of the bo array.  Output is the number
	 * of bos to be returned.
	 */
	__u32 bo_count;

__u32 start_bin, start_render;

__u32 ct0ca, ct0ea;
	__u32 ct1ca, ct1ea;
	__u32 ct0cs, ct1cs;
	__u32 ct0ra0, ct1ra0;

__u32 bpca, bpcs;
	__u32 bpoa, bpos;

__u32 vpmbase;

__u32 dbge;
	__u32 fdbgo;
	__u32 fdbgb;
	__u32 fdbgr;
	__u32 fdbgs;
	__u32 errstat;

/* Pad that we may save more registers into in the future. */
	__u32 pad[16];
};

#define DRM_VC4_PARAM_V3D_IDENT0		0
#define DRM_VC4_PARAM_V3D_IDENT1		1
#define DRM_VC4_PARAM_V3D_IDENT2		2
#define DRM_VC4_PARAM_SUPPORTS_BRANCHES		3
#define DRM_VC4_PARAM_SUPPORTS_ETC1		4
#define DRM_VC4_PARAM_SUPPORTS_THREADED_FS	5
#define DRM_VC4_PARAM_SUPPORTS_FIXED_RCL_ORDER	6
#define DRM_VC4_PARAM_SUPPORTS_MADVISE		7
#define DRM_VC4_PARAM_SUPPORTS_PERFMON		8

struct drm_vc4_get_param {
	__u32 param;
	__u32 pad;
	__u64 value;
};

struct drm_vc4_get_tiling {
	__u32 handle;
	__u32 flags;
	__u64 modifier;
};

struct drm_vc4_set_tiling {
	__u32 handle;
	__u32 flags;
	__u64 modifier;
};

/**
 * struct drm_vc4_label_bo - Attach a name to a BO for debug purposes.
 */
struct drm_vc4_label_bo {
	__u32 handle;
	__u32 len;
	__u64 name;
};

/*
 * States prefixed with '__' are internal states and cannot be passed to the
 * DRM_IOCTL_VC4_GEM_MADVISE ioctl.
 */
#define VC4_MADV_WILLNEED			0
#define VC4_MADV_DONTNEED			1
#define __VC4_MADV_PURGED			2
#define __VC4_MADV_NOTSUPP			3

struct drm_vc4_gem_madvise {
	__u32 handle;
	__u32 madv;
	__u32 retained;
	__u32 pad;
};

enum {
	VC4_PERFCNT_FEP_VALID_PRIMS_NO_RENDER,
	VC4_PERFCNT_FEP_VALID_PRIMS_RENDER,
	VC4_PERFCNT_FEP_CLIPPED_QUADS,
	VC4_PERFCNT_FEP_VALID_QUADS,
	VC4_PERFCNT_TLB_QUADS_NOT_PASSING_STENCIL,
	VC4_PERFCNT_TLB_QUADS_NOT_PASSING_Z_AND_STENCIL,
	VC4_PERFCNT_TLB_QUADS_PASSING_Z_AND_STENCIL,
	VC4_PERFCNT_TLB_QUADS_ZERO_COVERAGE,
	VC4_PERFCNT_TLB_QUADS_NON_ZERO_COVERAGE,
	VC4_PERFCNT_TLB_QUADS_WRITTEN_TO_COLOR_BUF,
	VC4_PERFCNT_PLB_PRIMS_OUTSIDE_VIEWPORT,
	VC4_PERFCNT_PLB_PRIMS_NEED_CLIPPING,
	VC4_PERFCNT_PSE_PRIMS_REVERSED,
	VC4_PERFCNT_QPU_TOTAL_IDLE_CYCLES,
	VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_VERTEX_COORD_SHADING,
	VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_FRAGMENT_SHADING,
	VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_EXEC_VALID_INST,
	VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_WAITING_TMUS,
	VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_WAITING_SCOREBOARD,
	VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_WAITING_VARYINGS,
	VC4_PERFCNT_QPU_TOTAL_INST_CACHE_HIT,
	VC4_PERFCNT_QPU_TOTAL_INST_CACHE_MISS,
	VC4_PERFCNT_QPU_TOTAL_UNIFORM_CACHE_HIT,
	VC4_PERFCNT_QPU_TOTAL_UNIFORM_CACHE_MISS,
	VC4_PERFCNT_TMU_TOTAL_TEXT_QUADS_PROCESSED,
	VC4_PERFCNT_TMU_TOTAL_TEXT_CACHE_MISS,
	VC4_PERFCNT_VPM_TOTAL_CLK_CYCLES_VDW_STALLED,
	VC4_PERFCNT_VPM_TOTAL_CLK_CYCLES_VCD_STALLED,
	VC4_PERFCNT_L2C_TOTAL_L2_CACHE_HIT,
	VC4_PERFCNT_L2C_TOTAL_L2_CACHE_MISS,
	VC4_PERFCNT_NUM_EVENTS,
};

#define DRM_VC4_MAX_PERF_COUNTERS	16

struct drm_vc4_perfmon_create {
	__u32 id;
	__u32 ncounters;
	__u8 events[DRM_VC4_MAX_PERF_COUNTERS];
};

struct drm_vc4_perfmon_destroy {
	__u32 id;
};

/*
 * Returns the values of the performance counters tracked by this
 * perfmon (as an array of ncounters u64 values).
 *
 * No implicit synchronization is performed, so the user has to
 * guarantee that any jobs using this perfmon have already been
 * completed  (probably by blocking on the seqno returned by the
 * last exec that used the perfmon).
 */
struct drm_vc4_perfmon_get_values {
	__u32 id;
	__u64 values_ptr;
};

#if defined(__cplusplus)
}
#endif

#endif /* _VC4_DRM_H_ */

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