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amdxdna_accel.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright (C) 2022-2024, Advanced Micro Devices, Inc. */ #ifndef _AMDXDNA_ACCEL_H_ #define _AMDXDNA_ACCEL_H_ #include <linux/stddef.h> #include "drm.h" #if defined(__cplusplus) extern "C" { #endif #define AMDXDNA_INVALID_CMD_HANDLE (~0UL) #define AMDXDNA_INVALID_ADDR (~0UL) #define AMDXDNA_INVALID_CTX_HANDLE 0 #define AMDXDNA_INVALID_BO_HANDLE 0 #define AMDXDNA_INVALID_FENCE_HANDLE 0 enum amdxdna_device_type { AMDXDNA_DEV_TYPE_UNKNOWN = -1, AMDXDNA_DEV_TYPE_KMQ, }; enum amdxdna_drm_ioctl_id { DRM_AMDXDNA_CREATE_HWCTX, DRM_AMDXDNA_DESTROY_HWCTX, DRM_AMDXDNA_CONFIG_HWCTX, DRM_AMDXDNA_CREATE_BO, DRM_AMDXDNA_GET_BO_INFO, DRM_AMDXDNA_SYNC_BO, DRM_AMDXDNA_EXEC_CMD, DRM_AMDXDNA_GET_INFO, DRM_AMDXDNA_SET_STATE, }; /** * struct qos_info - QoS information for driver. * @gops: Giga operations per second. * @fps: Frames per second. * @dma_bandwidth: DMA bandwidtha. * @latency: Frame response latency. * @frame_exec_time: Frame execution time. * @priority: Request priority. * * User program can provide QoS hints to driver. */ struct amdxdna_qos_info { __u32 gops; __u32 fps; __u32 dma_bandwidth; __u32 latency; __u32 frame_exec_time; __u32 priority; }; /** * struct amdxdna_drm_create_hwctx - Create hardware context. * @ext: MBZ. * @ext_flags: MBZ. * @qos_p: Address of QoS info. * @umq_bo: BO handle for user mode queue(UMQ). * @log_buf_bo: BO handle for log buffer. * @max_opc: Maximum operations per cycle. * @num_tiles: Number of AIE tiles. * @mem_size: Size of AIE tile memory. * @umq_doorbell: Returned offset of doorbell associated with UMQ. * @handle: Returned hardware context handle. * @syncobj_handle: Returned syncobj handle for command completion. */ struct amdxdna_drm_create_hwctx { __u64 ext; __u64 ext_flags; __u64 qos_p; __u32 umq_bo; __u32 log_buf_bo; __u32 max_opc; __u32 num_tiles; __u32 mem_size; __u32 umq_doorbell; __u32 handle; __u32 syncobj_handle; }; /** * struct amdxdna_drm_destroy_hwctx - Destroy hardware context. * @handle: Hardware context handle. * @pad: MBZ. */ struct amdxdna_drm_destroy_hwctx { __u32 handle; __u32 pad; }; /** * struct amdxdna_cu_config - configuration for one CU * @cu_bo: CU configuration buffer bo handle. * @cu_func: Function of a CU. * @pad: MBZ. */ struct amdxdna_cu_config { __u32 cu_bo; __u8 cu_func; __u8 pad[3]; }; /** * struct amdxdna_hwctx_param_config_cu - configuration for CUs in hardware context * @num_cus: Number of CUs to configure. * @pad: MBZ. * @cu_configs: Array of CU configurations of struct amdxdna_cu_config. */ struct amdxdna_hwctx_param_config_cu { __u16 num_cus; __u16 pad[3]; struct amdxdna_cu_config cu_configs[] __counted_by(num_cus); }; enum amdxdna_drm_config_hwctx_param { DRM_AMDXDNA_HWCTX_CONFIG_CU, DRM_AMDXDNA_HWCTX_ASSIGN_DBG_BUF, DRM_AMDXDNA_HWCTX_REMOVE_DBG_BUF, }; /** * struct amdxdna_drm_config_hwctx - Configure hardware context. * @handle: hardware context handle. * @param_type: Value in enum amdxdna_drm_config_hwctx_param. Specifies the * structure passed in via param_val. * @param_val: A structure specified by the param_type struct member. * @param_val_size: Size of the parameter buffer pointed to by the param_val. * If param_val is not a pointer, driver can ignore this. * @pad: MBZ. * * Note: if the param_val is a pointer pointing to a buffer, the maximum size * of the buffer is 4KiB(PAGE_SIZE). */ struct amdxdna_drm_config_hwctx { __u32 handle; __u32 param_type; __u64 param_val; __u32 param_val_size; __u32 pad; }; enum amdxdna_bo_type { AMDXDNA_BO_INVALID = 0, AMDXDNA_BO_SHMEM, AMDXDNA_BO_DEV_HEAP, AMDXDNA_BO_DEV, AMDXDNA_BO_CMD, }; /** * struct amdxdna_drm_create_bo - Create a buffer object. * @flags: Buffer flags. MBZ. * @vaddr: User VA of buffer if applied. MBZ. * @size: Size in bytes. * @type: Buffer type. * @handle: Returned DRM buffer object handle. */ struct amdxdna_drm_create_bo { __u64 flags; __u64 vaddr; __u64 size; __u32 type; __u32 handle; }; /** * struct amdxdna_drm_get_bo_info - Get buffer object information. * @ext: MBZ. * @ext_flags: MBZ. * @handle: DRM buffer object handle. * @pad: MBZ. * @map_offset: Returned DRM fake offset for mmap(). * @vaddr: Returned user VA of buffer. 0 in case user needs mmap(). * @xdna_addr: Returned XDNA device virtual address. */ struct amdxdna_drm_get_bo_info { __u64 ext; __u64 ext_flags; __u32 handle; __u32 pad; __u64 map_offset; __u64 vaddr; __u64 xdna_addr; }; /** * struct amdxdna_drm_sync_bo - Sync buffer object. * @handle: Buffer object handle. * @direction: Direction of sync, can be from device or to device. * @offset: Offset in the buffer to sync. * @size: Size in bytes. */ struct amdxdna_drm_sync_bo { __u32 handle; #define SYNC_DIRECT_TO_DEVICE 0U #define SYNC_DIRECT_FROM_DEVICE 1U __u32 direction; __u64 offset; __u64 size; }; enum amdxdna_cmd_type { AMDXDNA_CMD_SUBMIT_EXEC_BUF = 0, AMDXDNA_CMD_SUBMIT_DEPENDENCY, AMDXDNA_CMD_SUBMIT_SIGNAL, }; /** * struct amdxdna_drm_exec_cmd - Execute command. * @ext: MBZ. * @ext_flags: MBZ. * @hwctx: Hardware context handle. * @type: One of command type in enum amdxdna_cmd_type. * @cmd_handles: Array of command handles or the command handle itself * in case of just one. * @args: Array of arguments for all command handles. * @cmd_count: Number of command handles in the cmd_handles array. * @arg_count: Number of arguments in the args array. * @seq: Returned sequence number for this command. */ struct amdxdna_drm_exec_cmd { __u64 ext; __u64 ext_flags; __u32 hwctx; __u32 type; __u64 cmd_handles; __u64 args; __u32 cmd_count; __u32 arg_count; __u64 seq; }; /** * struct amdxdna_drm_query_aie_status - Query the status of the AIE hardware * @buffer: The user space buffer that will return the AIE status. * @buffer_size: The size of the user space buffer. * @cols_filled: A bitmap of AIE columns whose data has been returned in the buffer. */ struct amdxdna_drm_query_aie_status { __u64 buffer; /* out */ __u32 buffer_size; /* in */ __u32 cols_filled; /* out */ }; /** * struct amdxdna_drm_query_aie_version - Query the version of the AIE hardware * @major: The major version number. * @minor: The minor version number. */ struct amdxdna_drm_query_aie_version { __u32 major; /* out */ __u32 minor; /* out */ }; /** * struct amdxdna_drm_query_aie_tile_metadata - Query the metadata of AIE tile (core, mem, shim) * @row_count: The number of rows. * @row_start: The starting row number. * @dma_channel_count: The number of dma channels. * @lock_count: The number of locks. * @event_reg_count: The number of events. * @pad: Structure padding. */ struct amdxdna_drm_query_aie_tile_metadata { __u16 row_count; __u16 row_start; __u16 dma_channel_count; __u16 lock_count; __u16 event_reg_count; __u16 pad[3]; }; /** * struct amdxdna_drm_query_aie_metadata - Query the metadata of the AIE hardware * @col_size: The size of a column in bytes. * @cols: The total number of columns. * @rows: The total number of rows. * @version: The version of the AIE hardware. * @core: The metadata for all core tiles. * @mem: The metadata for all mem tiles. * @shim: The metadata for all shim tiles. */ struct amdxdna_drm_query_aie_metadata { __u32 col_size; __u16 cols; __u16 rows; struct amdxdna_drm_query_aie_version version; struct amdxdna_drm_query_aie_tile_metadata core; struct amdxdna_drm_query_aie_tile_metadata mem; struct amdxdna_drm_query_aie_tile_metadata shim; }; /** * struct amdxdna_drm_query_clock - Metadata for a clock * @name: The clock name. * @freq_mhz: The clock frequency. * @pad: Structure padding. */ struct amdxdna_drm_query_clock { __u8 name[16]; __u32 freq_mhz; __u32 pad; }; /** * struct amdxdna_drm_query_clock_metadata - Query metadata for clocks * @mp_npu_clock: The metadata for MP-NPU clock. * @h_clock: The metadata for H clock. */ struct amdxdna_drm_query_clock_metadata { struct amdxdna_drm_query_clock mp_npu_clock; struct amdxdna_drm_query_clock h_clock; }; enum amdxdna_sensor_type { AMDXDNA_SENSOR_TYPE_POWER }; /** * struct amdxdna_drm_query_sensor - The data for single sensor. * @label: The name for a sensor. * @input: The current value of the sensor. * @max: The maximum value possible for the sensor. * @average: The average value of the sensor. * @highest: The highest recorded sensor value for this driver load for the sensor. * @status: The sensor status. * @units: The sensor units. * @unitm: Translates value member variables into the correct unit via (pow(10, unitm) * value). * @type: The sensor type from enum amdxdna_sensor_type. * @pad: Structure padding. */ struct amdxdna_drm_query_sensor { __u8 label[64]; __u32 input; __u32 max; __u32 average; __u32 highest; __u8 status[64]; __u8 units[16]; __s8 unitm; __u8 type; __u8 pad[6]; }; /** * struct amdxdna_drm_query_hwctx - The data for single context. * @context_id: The ID for this context. * @start_col: The starting column for the partition assigned to this context. * @num_col: The number of columns in the partition assigned to this context. * @pad: Structure padding. * @pid: The Process ID of the process that created this context. * @command_submissions: The number of commands submitted to this context. * @command_completions: The number of commands completed by this context. * @migrations: The number of times this context has been moved to a different partition. * @preemptions: The number of times this context has been preempted by another context in the * same partition. * @errors: The errors for this context. */ struct amdxdna_drm_query_hwctx { __u32 context_id; __u32 start_col; __u32 num_col; __u32 pad; __s64 pid; __u64 command_submissions; __u64 command_completions; __u64 migrations; __u64 preemptions; __u64 errors; }; enum amdxdna_power_mode_type { POWER_MODE_DEFAULT, /* Fallback to calculated DPM */ POWER_MODE_LOW, /* Set frequency to lowest DPM */ POWER_MODE_MEDIUM, /* Set frequency to medium DPM */ POWER_MODE_HIGH, /* Set frequency to highest DPM */ POWER_MODE_TURBO, /* Maximum power */ }; /** * struct amdxdna_drm_get_power_mode - Get the configured power mode * @power_mode: The mode type from enum amdxdna_power_mode_type * @pad: Structure padding. */ struct amdxdna_drm_get_power_mode { __u8 power_mode; __u8 pad[7]; }; /** * struct amdxdna_drm_query_firmware_version - Query the firmware version * @major: The major version number * @minor: The minor version number * @patch: The patch level version number * @build: The build ID */ struct amdxdna_drm_query_firmware_version { __u32 major; /* out */ __u32 minor; /* out */ __u32 patch; /* out */ __u32 build; /* out */ }; enum amdxdna_drm_get_param { DRM_AMDXDNA_QUERY_AIE_STATUS, DRM_AMDXDNA_QUERY_AIE_METADATA, DRM_AMDXDNA_QUERY_AIE_VERSION, DRM_AMDXDNA_QUERY_CLOCK_METADATA, DRM_AMDXDNA_QUERY_SENSORS, DRM_AMDXDNA_QUERY_HW_CONTEXTS, DRM_AMDXDNA_QUERY_FIRMWARE_VERSION = 8, DRM_AMDXDNA_GET_POWER_MODE, }; /** * struct amdxdna_drm_get_info - Get some information from the AIE hardware. * @param: Value in enum amdxdna_drm_get_param. Specifies the structure passed in the buffer. * @buffer_size: Size of the input buffer. Size needed/written by the kernel. * @buffer: A structure specified by the param struct member. */ struct amdxdna_drm_get_info { __u32 param; /* in */ __u32 buffer_size; /* in/out */ __u64 buffer; /* in/out */ }; enum amdxdna_drm_set_param { DRM_AMDXDNA_SET_POWER_MODE, DRM_AMDXDNA_WRITE_AIE_MEM, DRM_AMDXDNA_WRITE_AIE_REG, }; /** * struct amdxdna_drm_set_state - Set the state of the AIE hardware. * @param: Value in enum amdxdna_drm_set_param. * @buffer_size: Size of the input param. * @buffer: Pointer to the input param. */ struct amdxdna_drm_set_state { __u32 param; /* in */ __u32 buffer_size; /* in */ __u64 buffer; /* in */ }; /** * struct amdxdna_drm_set_power_mode - Set the power mode of the AIE hardware * @power_mode: The sensor type from enum amdxdna_power_mode_type * @pad: MBZ. */ struct amdxdna_drm_set_power_mode { __u8 power_mode; __u8 pad[7]; }; #define DRM_IOCTL_AMDXDNA_CREATE_HWCTX \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_CREATE_HWCTX, \ struct amdxdna_drm_create_hwctx) #define DRM_IOCTL_AMDXDNA_DESTROY_HWCTX \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_DESTROY_HWCTX, \ struct amdxdna_drm_destroy_hwctx) #define DRM_IOCTL_AMDXDNA_CONFIG_HWCTX \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_CONFIG_HWCTX, \ struct amdxdna_drm_config_hwctx) #define DRM_IOCTL_AMDXDNA_CREATE_BO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_CREATE_BO, \ struct amdxdna_drm_create_bo) #define DRM_IOCTL_AMDXDNA_GET_BO_INFO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_GET_BO_INFO, \ struct amdxdna_drm_get_bo_info) #define DRM_IOCTL_AMDXDNA_SYNC_BO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_SYNC_BO, \ struct amdxdna_drm_sync_bo) #define DRM_IOCTL_AMDXDNA_EXEC_CMD \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_EXEC_CMD, \ struct amdxdna_drm_exec_cmd) #define DRM_IOCTL_AMDXDNA_GET_INFO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_GET_INFO, \ struct amdxdna_drm_get_info) #define DRM_IOCTL_AMDXDNA_SET_STATE \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_SET_STATE, \ struct amdxdna_drm_set_state) #if defined(__cplusplus) } /* extern c end */ #endif #endif /* _AMDXDNA_ACCEL_H_ */