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/*
* Copyright © 2014-2018 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 _V3D_DRM_H_
#define _V3D_DRM_H_
#include "drm.h"
#if defined(__cplusplus)
extern "C" {
#endif
#define DRM_V3D_SUBMIT_CL 0x00
#define DRM_V3D_WAIT_BO 0x01
#define DRM_V3D_CREATE_BO 0x02
#define DRM_V3D_MMAP_BO 0x03
#define DRM_V3D_GET_PARAM 0x04
#define DRM_V3D_GET_BO_OFFSET 0x05
#define DRM_V3D_SUBMIT_TFU 0x06
#define DRM_V3D_SUBMIT_CSD 0x07
#define DRM_V3D_PERFMON_CREATE 0x08
#define DRM_V3D_PERFMON_DESTROY 0x09
#define DRM_V3D_PERFMON_GET_VALUES 0x0a
#define DRM_IOCTL_V3D_SUBMIT_CL DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_CL, struct drm_v3d_submit_cl)
#define DRM_IOCTL_V3D_WAIT_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_WAIT_BO, struct drm_v3d_wait_bo)
#define DRM_IOCTL_V3D_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_CREATE_BO, struct drm_v3d_create_bo)
#define DRM_IOCTL_V3D_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_MMAP_BO, struct drm_v3d_mmap_bo)
#define DRM_IOCTL_V3D_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_GET_PARAM, struct drm_v3d_get_param)
#define DRM_IOCTL_V3D_GET_BO_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_GET_BO_OFFSET, struct drm_v3d_get_bo_offset)
#define DRM_IOCTL_V3D_SUBMIT_TFU DRM_IOW(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_TFU, struct drm_v3d_submit_tfu)
#define DRM_IOCTL_V3D_SUBMIT_CSD DRM_IOW(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_CSD, struct drm_v3d_submit_csd)
#define DRM_IOCTL_V3D_PERFMON_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_CREATE, \
struct drm_v3d_perfmon_create)
#define DRM_IOCTL_V3D_PERFMON_DESTROY DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_DESTROY, \
struct drm_v3d_perfmon_destroy)
#define DRM_IOCTL_V3D_PERFMON_GET_VALUES DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_GET_VALUES, \
struct drm_v3d_perfmon_get_values)
#define DRM_V3D_SUBMIT_CL_FLUSH_CACHE 0x01
#define DRM_V3D_SUBMIT_EXTENSION 0x02
/* struct drm_v3d_extension - ioctl extensions
*
* Linked-list of generic extensions where the id identify which struct is
* pointed by ext_data. Therefore, DRM_V3D_EXT_ID_* is used on id to identify
* the extension type.
*/
struct drm_v3d_extension {
__u64 next;
__u32 id;
#define DRM_V3D_EXT_ID_MULTI_SYNC 0x01
__u32 flags; /* mbz */
};
/* struct drm_v3d_sem - wait/signal semaphore
*
* If binary semaphore, it only takes syncobj handle and ignores flags and
* point fields. Point is defined for timeline syncobj feature.
*/
struct drm_v3d_sem {
__u32 handle; /* syncobj */
/* rsv below, for future uses */
__u32 flags;
__u64 point; /* for timeline sem support */
__u64 mbz[2]; /* must be zero, rsv */
};
/* Enum for each of the V3D queues. */
enum v3d_queue {
V3D_BIN,
V3D_RENDER,
V3D_TFU,
V3D_CSD,
V3D_CACHE_CLEAN,
};
/**
* struct drm_v3d_multi_sync - ioctl extension to add support multiples
* syncobjs for commands submission.
*
* When an extension of DRM_V3D_EXT_ID_MULTI_SYNC id is defined, it points to
* this extension to define wait and signal dependencies, instead of single
* in/out sync entries on submitting commands. The field flags is used to
* determine the stage to set wait dependencies.
*/
struct drm_v3d_multi_sync {
struct drm_v3d_extension base;
/* Array of wait and signal semaphores */
__u64 in_syncs;
__u64 out_syncs;
/* Number of entries */
__u32 in_sync_count;
__u32 out_sync_count;
/* set the stage (v3d_queue) to sync */
__u32 wait_stage;
__u32 pad; /* mbz */
};
/**
* struct drm_v3d_submit_cl - ioctl argument for submitting commands to the 3D
* engine.
*
* This asks the kernel to have the GPU execute an optional binner
* command list, and a render command list.
*
* The L1T, slice, L2C, L2T, and GCA caches will be flushed before
* each CL executes. The VCD cache should be flushed (if necessary)
* by the submitted CLs. The TLB writes are guaranteed to have been
* flushed by the time the render done IRQ happens, which is the
* trigger for out_sync. Any dirtying of cachelines by the job (only
* possible using TMU writes) must be flushed by the caller using the
* DRM_V3D_SUBMIT_CL_FLUSH_CACHE_FLAG flag.
*/
struct drm_v3d_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.
*
* This BCL will block on any previous BCL submitted on the
* same FD, but not on any RCL or BCLs submitted by other
* clients -- that is left up to the submitter to control
* using in_sync_bcl if necessary.
*/
__u32 bcl_start;
/** End address of the BCL (first byte after the BCL) */
__u32 bcl_end;
/* Offset of the render command list.
*
* This is the second set of commands executed, which will either
* execute the tiles that have been set up by the BCL, or a fixed set
* of tiles (in the case of RCL-only blits).
*
* This RCL will block on this submit's BCL, and any previous
* RCL submitted on the same FD, but not on any RCL or BCLs
* submitted by other clients -- that is left up to the
* submitter to control using in_sync_rcl if necessary.
*/
__u32 rcl_start;
/** End address of the RCL (first byte after the RCL) */
__u32 rcl_end;
/** An optional sync object to wait on before starting the BCL. */
__u32 in_sync_bcl;
/** An optional sync object to wait on before starting the RCL. */
__u32 in_sync_rcl;
/** An optional sync object to place the completion fence in. */
__u32 out_sync;
/* Offset of the tile alloc memory
*
* This is optional on V3D 3.3 (where the CL can set the value) but
* required on V3D 4.1.
*/
__u32 qma;
/** Size of the tile alloc memory. */
__u32 qms;
/** Offset of the tile state data array. */
__u32 qts;
/* Pointer to a u32 array of the BOs that are referenced by the job.
*/
__u64 bo_handles;
/* Number of BO handles passed in (size is that times 4). */
__u32 bo_handle_count;
/* DRM_V3D_SUBMIT_* properties */
__u32 flags;
/* ID of the perfmon to attach to this job. 0 means no perfmon. */
__u32 perfmon_id;
__u32 pad;
/* Pointer to an array of ioctl extensions*/
__u64 extensions;
};
/**
* struct drm_v3d_wait_bo - ioctl argument for waiting for
* completion of the last DRM_V3D_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_v3d_wait_bo {
__u32 handle;
__u32 pad;
__u64 timeout_ns;
};
/**
* struct drm_v3d_create_bo - ioctl argument for creating V3D BOs.
*
* There are currently no values for the flags argument, but it may be
* used in a future extension.
*/
struct drm_v3d_create_bo {
__u32 size;
__u32 flags;
/** Returned GEM handle for the BO. */
__u32 handle;
/**
* Returned offset for the BO in the V3D address space. This offset
* is private to the DRM fd and is valid for the lifetime of the GEM
* handle.
*
* This offset value will always be nonzero, since various HW
* units treat 0 specially.
*/
__u32 offset;
};
/**
* struct drm_v3d_mmap_bo - ioctl argument for mapping V3D 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_v3d_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;
};
enum drm_v3d_param {
DRM_V3D_PARAM_V3D_UIFCFG,
DRM_V3D_PARAM_V3D_HUB_IDENT1,
DRM_V3D_PARAM_V3D_HUB_IDENT2,
DRM_V3D_PARAM_V3D_HUB_IDENT3,
DRM_V3D_PARAM_V3D_CORE0_IDENT0,
DRM_V3D_PARAM_V3D_CORE0_IDENT1,
DRM_V3D_PARAM_V3D_CORE0_IDENT2,
DRM_V3D_PARAM_SUPPORTS_TFU,
DRM_V3D_PARAM_SUPPORTS_CSD,
DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH,
DRM_V3D_PARAM_SUPPORTS_PERFMON,
DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT,
};
struct drm_v3d_get_param {
__u32 param;
__u32 pad;
__u64 value;
};
/**
* Returns the offset for the BO in the V3D address space for this DRM fd.
* This is the same value returned by drm_v3d_create_bo, if that was called
* from this DRM fd.
*/
struct drm_v3d_get_bo_offset {
__u32 handle;
__u32 offset;
};
struct drm_v3d_submit_tfu {
__u32 icfg;
__u32 iia;
__u32 iis;
__u32 ica;
__u32 iua;
__u32 ioa;
__u32 ios;
__u32 coef[4];
/* First handle is the output BO, following are other inputs.
* 0 for unused.
*/
__u32 bo_handles[4];
/* sync object to block on before running the TFU job. Each TFU
* job will execute in the order submitted to its FD. Synchronization
* against rendering jobs requires using sync objects.
*/
__u32 in_sync;
/* Sync object to signal when the TFU job is done. */
__u32 out_sync;
__u32 flags;
/* Pointer to an array of ioctl extensions*/
__u64 extensions;
};
/* Submits a compute shader for dispatch. This job will block on any
* previous compute shaders submitted on this fd, and any other
* synchronization must be performed with in_sync/out_sync.
*/
struct drm_v3d_submit_csd {
__u32 cfg[7];
__u32 coef[4];
/* Pointer to a u32 array of the BOs that are referenced by the job.
*/
__u64 bo_handles;
/* Number of BO handles passed in (size is that times 4). */
__u32 bo_handle_count;
/* sync object to block on before running the CSD job. Each
* CSD job will execute in the order submitted to its FD.
* Synchronization against rendering/TFU jobs or CSD from
* other fds requires using sync objects.
*/
__u32 in_sync;
/* Sync object to signal when the CSD job is done. */
__u32 out_sync;
/* ID of the perfmon to attach to this job. 0 means no perfmon. */
__u32 perfmon_id;
/* Pointer to an array of ioctl extensions*/
__u64 extensions;
__u32 flags;
__u32 pad;
};
enum {
V3D_PERFCNT_FEP_VALID_PRIMTS_NO_PIXELS,
V3D_PERFCNT_FEP_VALID_PRIMS,
V3D_PERFCNT_FEP_EZ_NFCLIP_QUADS,
V3D_PERFCNT_FEP_VALID_QUADS,
V3D_PERFCNT_TLB_QUADS_STENCIL_FAIL,
V3D_PERFCNT_TLB_QUADS_STENCILZ_FAIL,
V3D_PERFCNT_TLB_QUADS_STENCILZ_PASS,
V3D_PERFCNT_TLB_QUADS_ZERO_COV,
V3D_PERFCNT_TLB_QUADS_NONZERO_COV,
V3D_PERFCNT_TLB_QUADS_WRITTEN,
V3D_PERFCNT_PTB_PRIM_VIEWPOINT_DISCARD,
V3D_PERFCNT_PTB_PRIM_CLIP,
V3D_PERFCNT_PTB_PRIM_REV,
V3D_PERFCNT_QPU_IDLE_CYCLES,
V3D_PERFCNT_QPU_ACTIVE_CYCLES_VERTEX_COORD_USER,
V3D_PERFCNT_QPU_ACTIVE_CYCLES_FRAG,
V3D_PERFCNT_QPU_CYCLES_VALID_INSTR,
V3D_PERFCNT_QPU_CYCLES_TMU_STALL,
V3D_PERFCNT_QPU_CYCLES_SCOREBOARD_STALL,
V3D_PERFCNT_QPU_CYCLES_VARYINGS_STALL,
V3D_PERFCNT_QPU_IC_HIT,
V3D_PERFCNT_QPU_IC_MISS,
V3D_PERFCNT_QPU_UC_HIT,
V3D_PERFCNT_QPU_UC_MISS,
V3D_PERFCNT_TMU_TCACHE_ACCESS,
V3D_PERFCNT_TMU_TCACHE_MISS,
V3D_PERFCNT_VPM_VDW_STALL,
V3D_PERFCNT_VPM_VCD_STALL,
V3D_PERFCNT_BIN_ACTIVE,
V3D_PERFCNT_RDR_ACTIVE,
V3D_PERFCNT_L2T_HITS,
V3D_PERFCNT_L2T_MISSES,
V3D_PERFCNT_CYCLE_COUNT,
V3D_PERFCNT_QPU_CYCLES_STALLED_VERTEX_COORD_USER,
V3D_PERFCNT_QPU_CYCLES_STALLED_FRAGMENT,
V3D_PERFCNT_PTB_PRIMS_BINNED,
V3D_PERFCNT_AXI_WRITES_WATCH_0,
V3D_PERFCNT_AXI_READS_WATCH_0,
V3D_PERFCNT_AXI_WRITE_STALLS_WATCH_0,
V3D_PERFCNT_AXI_READ_STALLS_WATCH_0,
V3D_PERFCNT_AXI_WRITE_BYTES_WATCH_0,
V3D_PERFCNT_AXI_READ_BYTES_WATCH_0,
V3D_PERFCNT_AXI_WRITES_WATCH_1,
V3D_PERFCNT_AXI_READS_WATCH_1,
V3D_PERFCNT_AXI_WRITE_STALLS_WATCH_1,
V3D_PERFCNT_AXI_READ_STALLS_WATCH_1,
V3D_PERFCNT_AXI_WRITE_BYTES_WATCH_1,
V3D_PERFCNT_AXI_READ_BYTES_WATCH_1,
V3D_PERFCNT_TLB_PARTIAL_QUADS,
V3D_PERFCNT_TMU_CONFIG_ACCESSES,
V3D_PERFCNT_L2T_NO_ID_STALL,
V3D_PERFCNT_L2T_COM_QUE_STALL,
V3D_PERFCNT_L2T_TMU_WRITES,
V3D_PERFCNT_TMU_ACTIVE_CYCLES,
V3D_PERFCNT_TMU_STALLED_CYCLES,
V3D_PERFCNT_CLE_ACTIVE,
V3D_PERFCNT_L2T_TMU_READS,
V3D_PERFCNT_L2T_CLE_READS,
V3D_PERFCNT_L2T_VCD_READS,
V3D_PERFCNT_L2T_TMUCFG_READS,
V3D_PERFCNT_L2T_SLC0_READS,
V3D_PERFCNT_L2T_SLC1_READS,
V3D_PERFCNT_L2T_SLC2_READS,
V3D_PERFCNT_L2T_TMU_W_MISSES,
V3D_PERFCNT_L2T_TMU_R_MISSES,
V3D_PERFCNT_L2T_CLE_MISSES,
V3D_PERFCNT_L2T_VCD_MISSES,
V3D_PERFCNT_L2T_TMUCFG_MISSES,
V3D_PERFCNT_L2T_SLC0_MISSES,
V3D_PERFCNT_L2T_SLC1_MISSES,
V3D_PERFCNT_L2T_SLC2_MISSES,
V3D_PERFCNT_CORE_MEM_WRITES,
V3D_PERFCNT_L2T_MEM_WRITES,
V3D_PERFCNT_PTB_MEM_WRITES,
V3D_PERFCNT_TLB_MEM_WRITES,
V3D_PERFCNT_CORE_MEM_READS,
V3D_PERFCNT_L2T_MEM_READS,
V3D_PERFCNT_PTB_MEM_READS,
V3D_PERFCNT_PSE_MEM_READS,
V3D_PERFCNT_TLB_MEM_READS,
V3D_PERFCNT_GMP_MEM_READS,
V3D_PERFCNT_PTB_W_MEM_WORDS,
V3D_PERFCNT_TLB_W_MEM_WORDS,
V3D_PERFCNT_PSE_R_MEM_WORDS,
V3D_PERFCNT_TLB_R_MEM_WORDS,
V3D_PERFCNT_TMU_MRU_HITS,
V3D_PERFCNT_COMPUTE_ACTIVE,
V3D_PERFCNT_NUM,
};
#define DRM_V3D_MAX_PERF_COUNTERS 32
struct drm_v3d_perfmon_create {
__u32 id;
__u32 ncounters;
__u8 counters[DRM_V3D_MAX_PERF_COUNTERS];
};
struct drm_v3d_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_v3d_perfmon_get_values {
__u32 id;
__u32 pad;
__u64 values_ptr;
};
#if defined(__cplusplus)
}
#endif
#endif /* _V3D_DRM_H_ */