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Editing: ivpu_accel.h
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2020-2025 Intel Corporation */ #ifndef __UAPI_IVPU_DRM_H__ #define __UAPI_IVPU_DRM_H__ #include "drm.h" #if defined(__cplusplus) extern "C" { #endif #define DRM_IVPU_GET_PARAM 0x00 #define DRM_IVPU_SET_PARAM 0x01 #define DRM_IVPU_BO_CREATE 0x02 #define DRM_IVPU_BO_INFO 0x03 #define DRM_IVPU_SUBMIT 0x05 #define DRM_IVPU_BO_WAIT 0x06 #define DRM_IVPU_METRIC_STREAMER_START 0x07 #define DRM_IVPU_METRIC_STREAMER_STOP 0x08 #define DRM_IVPU_METRIC_STREAMER_GET_DATA 0x09 #define DRM_IVPU_METRIC_STREAMER_GET_INFO 0x0a #define DRM_IVPU_CMDQ_CREATE 0x0b #define DRM_IVPU_CMDQ_DESTROY 0x0c #define DRM_IVPU_CMDQ_SUBMIT 0x0d #define DRM_IOCTL_IVPU_GET_PARAM \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_GET_PARAM, struct drm_ivpu_param) #define DRM_IOCTL_IVPU_SET_PARAM \ DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_SET_PARAM, struct drm_ivpu_param) #define DRM_IOCTL_IVPU_BO_CREATE \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_BO_CREATE, struct drm_ivpu_bo_create) #define DRM_IOCTL_IVPU_BO_INFO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_BO_INFO, struct drm_ivpu_bo_info) #define DRM_IOCTL_IVPU_SUBMIT \ DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_SUBMIT, struct drm_ivpu_submit) #define DRM_IOCTL_IVPU_BO_WAIT \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_BO_WAIT, struct drm_ivpu_bo_wait) #define DRM_IOCTL_IVPU_METRIC_STREAMER_START \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_METRIC_STREAMER_START, \ struct drm_ivpu_metric_streamer_start) #define DRM_IOCTL_IVPU_METRIC_STREAMER_STOP \ DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_METRIC_STREAMER_STOP, \ struct drm_ivpu_metric_streamer_stop) #define DRM_IOCTL_IVPU_METRIC_STREAMER_GET_DATA \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_METRIC_STREAMER_GET_DATA, \ struct drm_ivpu_metric_streamer_get_data) #define DRM_IOCTL_IVPU_METRIC_STREAMER_GET_INFO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_METRIC_STREAMER_GET_INFO, \ struct drm_ivpu_metric_streamer_get_data) #define DRM_IOCTL_IVPU_CMDQ_CREATE \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_CREATE, struct drm_ivpu_cmdq_create) #define DRM_IOCTL_IVPU_CMDQ_DESTROY \ DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_DESTROY, struct drm_ivpu_cmdq_destroy) #define DRM_IOCTL_IVPU_CMDQ_SUBMIT \ DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_SUBMIT, struct drm_ivpu_cmdq_submit) /** * DOC: contexts * * VPU contexts have private virtual address space, job queues and priority. * Each context is identified by an unique ID. Context is created on open(). */ #define DRM_IVPU_PARAM_DEVICE_ID 0 #define DRM_IVPU_PARAM_DEVICE_REVISION 1 #define DRM_IVPU_PARAM_PLATFORM_TYPE 2 #define DRM_IVPU_PARAM_CORE_CLOCK_RATE 3 #define DRM_IVPU_PARAM_NUM_CONTEXTS 4 #define DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS 5 #define DRM_IVPU_PARAM_CONTEXT_PRIORITY 6 /* Deprecated */ #define DRM_IVPU_PARAM_CONTEXT_ID 7 #define DRM_IVPU_PARAM_FW_API_VERSION 8 #define DRM_IVPU_PARAM_ENGINE_HEARTBEAT 9 #define DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID 10 #define DRM_IVPU_PARAM_TILE_CONFIG 11 #define DRM_IVPU_PARAM_SKU 12 #define DRM_IVPU_PARAM_CAPABILITIES 13 #define DRM_IVPU_PLATFORM_TYPE_SILICON 0 /* Deprecated, use DRM_IVPU_JOB_PRIORITY */ #define DRM_IVPU_CONTEXT_PRIORITY_IDLE 0 #define DRM_IVPU_CONTEXT_PRIORITY_NORMAL 1 #define DRM_IVPU_CONTEXT_PRIORITY_FOCUS 2 #define DRM_IVPU_CONTEXT_PRIORITY_REALTIME 3 #define DRM_IVPU_JOB_PRIORITY_DEFAULT 0 #define DRM_IVPU_JOB_PRIORITY_IDLE 1 #define DRM_IVPU_JOB_PRIORITY_NORMAL 2 #define DRM_IVPU_JOB_PRIORITY_FOCUS 3 #define DRM_IVPU_JOB_PRIORITY_REALTIME 4 /** * DRM_IVPU_CAP_METRIC_STREAMER * * Metric streamer support. Provides sampling of various hardware performance * metrics like DMA bandwidth and cache miss/hits. Can be used for profiling. */ #define DRM_IVPU_CAP_METRIC_STREAMER 1 /** * DRM_IVPU_CAP_DMA_MEMORY_RANGE * * Driver has capability to allocate separate memory range * accessible by hardware DMA. */ #define DRM_IVPU_CAP_DMA_MEMORY_RANGE 2 /** * DRM_IVPU_CAP_MANAGE_CMDQ * * Driver supports explicit command queue operations like command queue create, * command queue destroy and submit job on specific command queue. */ #define DRM_IVPU_CAP_MANAGE_CMDQ 3 /** * struct drm_ivpu_param - Get/Set VPU parameters */ struct drm_ivpu_param { /** * @param: * * Supported params: * * %DRM_IVPU_PARAM_DEVICE_ID: * PCI Device ID of the VPU device (read-only) * * %DRM_IVPU_PARAM_DEVICE_REVISION: * VPU device revision (read-only) * * %DRM_IVPU_PARAM_PLATFORM_TYPE: * Returns %DRM_IVPU_PLATFORM_TYPE_SILICON on real hardware or device specific * platform type when executing on a simulator or emulator (read-only) * * %DRM_IVPU_PARAM_CORE_CLOCK_RATE: * Maximum frequency of the NPU data processing unit clock (read-only) * * %DRM_IVPU_PARAM_NUM_CONTEXTS: * Maximum number of simultaneously existing contexts (read-only) * * %DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS: * Lowest VPU virtual address available in the current context (read-only) * * %DRM_IVPU_PARAM_CONTEXT_ID: * Current context ID, always greater than 0 (read-only) * * %DRM_IVPU_PARAM_FW_API_VERSION: * Firmware API version array (read-only) * * %DRM_IVPU_PARAM_ENGINE_HEARTBEAT: * Heartbeat value from an engine (read-only). * Engine ID (i.e. DRM_IVPU_ENGINE_COMPUTE) is given via index. * * %DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID: * Device-unique inference ID (read-only) * * %DRM_IVPU_PARAM_TILE_CONFIG: * VPU tile configuration (read-only) * * %DRM_IVPU_PARAM_SKU: * VPU SKU ID (read-only) * * %DRM_IVPU_PARAM_CAPABILITIES: * Supported capabilities (read-only) */ __u32 param; /** @index: Index for params that have multiple instances */ __u32 index; /** @value: Param value */ __u64 value; }; #define DRM_IVPU_BO_SHAVE_MEM 0x00000001 #define DRM_IVPU_BO_HIGH_MEM DRM_IVPU_BO_SHAVE_MEM #define DRM_IVPU_BO_MAPPABLE 0x00000002 #define DRM_IVPU_BO_DMA_MEM 0x00000004 #define DRM_IVPU_BO_CACHED 0x00000000 #define DRM_IVPU_BO_UNCACHED 0x00010000 #define DRM_IVPU_BO_WC 0x00020000 #define DRM_IVPU_BO_CACHE_MASK 0x00030000 #define DRM_IVPU_BO_FLAGS \ (DRM_IVPU_BO_HIGH_MEM | \ DRM_IVPU_BO_MAPPABLE | \ DRM_IVPU_BO_DMA_MEM | \ DRM_IVPU_BO_CACHE_MASK) /** * struct drm_ivpu_bo_create - Create BO backed by SHMEM * * Create GEM buffer object allocated in SHMEM memory. */ struct drm_ivpu_bo_create { /** @size: The size in bytes of the allocated memory */ __u64 size; /** * @flags: * * Supported flags: * * %DRM_IVPU_BO_HIGH_MEM: * * Allocate VPU address from >4GB range. * Buffer object with vpu address >4GB can be always accessed by the * VPU DMA engine, but some HW generation may not be able to access * this memory from then firmware running on the VPU management processor. * Suitable for input, output and some scratch buffers. * * %DRM_IVPU_BO_MAPPABLE: * * Buffer object can be mapped using mmap(). * * %DRM_IVPU_BO_CACHED: * * Allocated BO will be cached on host side (WB) and snooped on the VPU side. * This is the default caching mode. * * %DRM_IVPU_BO_UNCACHED: * * Not supported. Use DRM_IVPU_BO_WC instead. * * %DRM_IVPU_BO_WC: * * Allocated BO will use write combining buffer for writes but reads will be * uncached. */ __u32 flags; /** @handle: Returned GEM object handle */ __u32 handle; /** @vpu_addr: Returned VPU virtual address */ __u64 vpu_addr; }; /** * struct drm_ivpu_bo_info - Query buffer object info */ struct drm_ivpu_bo_info { /** @handle: Handle of the queried BO */ __u32 handle; /** @flags: Returned flags used to create the BO */ __u32 flags; /** @vpu_addr: Returned VPU virtual address */ __u64 vpu_addr; /** * @mmap_offset: * * Returned offset to be used in mmap(). 0 in case the BO is not mappable. */ __u64 mmap_offset; /** @size: Returned GEM object size, aligned to PAGE_SIZE */ __u64 size; }; /* drm_ivpu_submit engines */ #define DRM_IVPU_ENGINE_COMPUTE 0 #define DRM_IVPU_ENGINE_COPY 1 /* Deprecated */ /** * struct drm_ivpu_submit - Submit commands to the VPU * * Execute a single command buffer on a given VPU engine. * Handles to all referenced buffer objects have to be provided in @buffers_ptr. * * User space may wait on job completion using %DRM_IVPU_BO_WAIT ioctl. */ struct drm_ivpu_submit { /** * @buffers_ptr: * * A pointer to an u32 array of GEM handles of the BOs required for this job. * The number of elements in the array must be equal to the value given by @buffer_count. * * The first BO is the command buffer. The rest of array has to contain all * BOs referenced from the command buffer. */ __u64 buffers_ptr; /** @buffer_count: Number of elements in the @buffers_ptr */ __u32 buffer_count; /** * @engine: Select the engine this job should be executed on * * %DRM_IVPU_ENGINE_COMPUTE: * * Performs Deep Learning Neural Compute Inference Operations */ __u32 engine; /** @flags: Reserved for future use - must be zero */ __u32 flags; /** * @commands_offset: * * Offset inside the first buffer in @buffers_ptr containing commands * to be executed. The offset has to be 8-byte aligned. */ __u32 commands_offset; /** * @priority: * * Priority to be set for related job command queue, can be one of the following: * %DRM_IVPU_JOB_PRIORITY_DEFAULT * %DRM_IVPU_JOB_PRIORITY_IDLE * %DRM_IVPU_JOB_PRIORITY_NORMAL * %DRM_IVPU_JOB_PRIORITY_FOCUS * %DRM_IVPU_JOB_PRIORITY_REALTIME */ __u32 priority; }; /** * struct drm_ivpu_cmdq_submit - Submit commands to the VPU using explicit command queue * * Execute a single command buffer on a given command queue. * Handles to all referenced buffer objects have to be provided in @buffers_ptr. * * User space may wait on job completion using %DRM_IVPU_BO_WAIT ioctl. */ struct drm_ivpu_cmdq_submit { /** * @buffers_ptr: * * A pointer to an u32 array of GEM handles of the BOs required for this job. * The number of elements in the array must be equal to the value given by @buffer_count. * * The first BO is the command buffer. The rest of array has to contain all * BOs referenced from the command buffer. */ __u64 buffers_ptr; /** @buffer_count: Number of elements in the @buffers_ptr */ __u32 buffer_count; /** @cmdq_id: ID for the command queue where job will be submitted */ __u32 cmdq_id; /** @flags: Reserved for future use - must be zero */ __u32 flags; /** * @commands_offset: * * Offset inside the first buffer in @buffers_ptr containing commands * to be executed. The offset has to be 8-byte aligned. */ __u32 commands_offset; }; /* drm_ivpu_bo_wait job status codes */ #define DRM_IVPU_JOB_STATUS_SUCCESS 0 #define DRM_IVPU_JOB_STATUS_ABORTED 256 /** * struct drm_ivpu_bo_wait - Wait for BO to become inactive * * Blocks until a given buffer object becomes inactive. * With @timeout_ms set to 0 returns immediately. */ struct drm_ivpu_bo_wait { /** @handle: Handle to the buffer object to be waited on */ __u32 handle; /** @flags: Reserved for future use - must be zero */ __u32 flags; /** @timeout_ns: Absolute timeout in nanoseconds (may be zero) */ __s64 timeout_ns; /** * @job_status: * * Job status code which is updated after the job is completed. * &DRM_IVPU_JOB_STATUS_SUCCESS or device specific error otherwise. * Valid only if @handle points to a command buffer. */ __u32 job_status; /** @pad: Padding - must be zero */ __u32 pad; }; /** * struct drm_ivpu_metric_streamer_start - Start collecting metric data */ struct drm_ivpu_metric_streamer_start { /** @metric_group_mask: Indicates metric streamer instance */ __u64 metric_group_mask; /** @sampling_period_ns: Sampling period in nanoseconds */ __u64 sampling_period_ns; /** * @read_period_samples: * * Number of samples after which user space will try to read the data. * Reading the data after significantly longer period may cause data loss. */ __u32 read_period_samples; /** @sample_size: Returned size of a single sample in bytes */ __u32 sample_size; /** @max_data_size: Returned max @data_size from %DRM_IOCTL_IVPU_METRIC_STREAMER_GET_DATA */ __u32 max_data_size; }; /** * struct drm_ivpu_metric_streamer_get_data - Copy collected metric data */ struct drm_ivpu_metric_streamer_get_data { /** @metric_group_mask: Indicates metric streamer instance */ __u64 metric_group_mask; /** @buffer_ptr: A pointer to a destination for the copied data */ __u64 buffer_ptr; /** @buffer_size: Size of the destination buffer */ __u64 buffer_size; /** * @data_size: Returned size of copied metric data * * If the @buffer_size is zero, returns the amount of data ready to be copied. */ __u64 data_size; }; /* Command queue flags */ #define DRM_IVPU_CMDQ_FLAG_TURBO 0x00000001 /** * struct drm_ivpu_cmdq_create - Create command queue for job submission */ struct drm_ivpu_cmdq_create { /** @cmdq_id: Returned ID of created command queue */ __u32 cmdq_id; /** * @priority: * * Priority to be set for related job command queue, can be one of the following: * %DRM_IVPU_JOB_PRIORITY_DEFAULT * %DRM_IVPU_JOB_PRIORITY_IDLE * %DRM_IVPU_JOB_PRIORITY_NORMAL * %DRM_IVPU_JOB_PRIORITY_FOCUS * %DRM_IVPU_JOB_PRIORITY_REALTIME */ __u32 priority; /** * @flags: * * Supported flags: * * %DRM_IVPU_CMDQ_FLAG_TURBO * * Enable low-latency mode for the command queue. The NPU will maximize performance * when executing jobs from such queue at the cost of increased power usage. */ __u32 flags; }; /** * struct drm_ivpu_cmdq_destroy - Destroy a command queue */ struct drm_ivpu_cmdq_destroy { /** @cmdq_id: ID of command queue to destroy */ __u32 cmdq_id; }; /** * struct drm_ivpu_metric_streamer_stop - Stop collecting metric data */ struct drm_ivpu_metric_streamer_stop { /** @metric_group_mask: Indicates metric streamer instance */ __u64 metric_group_mask; }; #if defined(__cplusplus) } #endif #endif /* __UAPI_IVPU_DRM_H__ */
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