443 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			443 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /*
 | ||
|  |  * 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_ */
 |