Files
linux-net/drivers/accel/amdxdna/aie2_msg_priv.h
Lizhi Hou 3a0ff7b98a accel/amdxdna: Support preemption requests
The driver checks the firmware version during initialization.If preemption
is supported, the driver configures preemption accordingly and handles
userspace preemption requests. Otherwise, the driver returns an error for
userspace preemption requests.

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20251104185340.897560-1-lizhi.hou@amd.com
2025-11-05 08:56:28 -08:00

449 lines
9.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022-2024, Advanced Micro Devices, Inc.
*/
#ifndef _AIE2_MSG_PRIV_H_
#define _AIE2_MSG_PRIV_H_
enum aie2_msg_opcode {
MSG_OP_CREATE_CONTEXT = 0x2,
MSG_OP_DESTROY_CONTEXT = 0x3,
MSG_OP_GET_TELEMETRY = 0x4,
MSG_OP_SYNC_BO = 0x7,
MSG_OP_EXECUTE_BUFFER_CF = 0xC,
MSG_OP_QUERY_COL_STATUS = 0xD,
MSG_OP_QUERY_AIE_TILE_INFO = 0xE,
MSG_OP_QUERY_AIE_VERSION = 0xF,
MSG_OP_EXEC_DPU = 0x10,
MSG_OP_CONFIG_CU = 0x11,
MSG_OP_CHAIN_EXEC_BUFFER_CF = 0x12,
MSG_OP_CHAIN_EXEC_DPU = 0x13,
MSG_OP_CONFIG_DEBUG_BO = 0x14,
MSG_OP_CHAIN_EXEC_NPU = 0x18,
MSG_OP_MAX_XRT_OPCODE,
MSG_OP_SUSPEND = 0x101,
MSG_OP_RESUME = 0x102,
MSG_OP_ASSIGN_MGMT_PASID = 0x103,
MSG_OP_INVOKE_SELF_TEST = 0x104,
MSG_OP_MAP_HOST_BUFFER = 0x106,
MSG_OP_GET_FIRMWARE_VERSION = 0x108,
MSG_OP_SET_RUNTIME_CONFIG = 0x10A,
MSG_OP_GET_RUNTIME_CONFIG = 0x10B,
MSG_OP_REGISTER_ASYNC_EVENT_MSG = 0x10C,
MSG_OP_MAX_DRV_OPCODE,
MSG_OP_GET_PROTOCOL_VERSION = 0x301,
MSG_OP_MAX_OPCODE
};
enum aie2_msg_status {
AIE2_STATUS_SUCCESS = 0x0,
/* AIE Error codes */
AIE2_STATUS_AIE_SATURATION_ERROR = 0x1000001,
AIE2_STATUS_AIE_FP_ERROR = 0x1000002,
AIE2_STATUS_AIE_STREAM_ERROR = 0x1000003,
AIE2_STATUS_AIE_ACCESS_ERROR = 0x1000004,
AIE2_STATUS_AIE_BUS_ERROR = 0x1000005,
AIE2_STATUS_AIE_INSTRUCTION_ERROR = 0x1000006,
AIE2_STATUS_AIE_ECC_ERROR = 0x1000007,
AIE2_STATUS_AIE_LOCK_ERROR = 0x1000008,
AIE2_STATUS_AIE_DMA_ERROR = 0x1000009,
AIE2_STATUS_AIE_MEM_PARITY_ERROR = 0x100000a,
AIE2_STATUS_AIE_PWR_CFG_ERROR = 0x100000b,
AIE2_STATUS_AIE_BACKTRACK_ERROR = 0x100000c,
AIE2_STATUS_MAX_AIE_STATUS_CODE,
/* MGMT ERT Error codes */
AIE2_STATUS_MGMT_ERT_SELF_TEST_FAILURE = 0x2000001,
AIE2_STATUS_MGMT_ERT_HASH_MISMATCH,
AIE2_STATUS_MGMT_ERT_NOAVAIL,
AIE2_STATUS_MGMT_ERT_INVALID_PARAM,
AIE2_STATUS_MGMT_ERT_ENTER_SUSPEND_FAILURE,
AIE2_STATUS_MGMT_ERT_BUSY,
AIE2_STATUS_MGMT_ERT_APPLICATION_ACTIVE,
MAX_MGMT_ERT_STATUS_CODE,
/* APP ERT Error codes */
AIE2_STATUS_APP_ERT_FIRST_ERROR = 0x3000001,
AIE2_STATUS_APP_INVALID_INSTR,
AIE2_STATUS_APP_LOAD_PDI_FAIL,
MAX_APP_ERT_STATUS_CODE,
/* NPU RTOS Error Codes */
AIE2_STATUS_INVALID_INPUT_BUFFER = 0x4000001,
AIE2_STATUS_INVALID_COMMAND,
AIE2_STATUS_INVALID_PARAM,
AIE2_STATUS_INVALID_OPERATION = 0x4000006,
AIE2_STATUS_ASYNC_EVENT_MSGS_FULL,
AIE2_STATUS_MAX_RTOS_STATUS_CODE,
MAX_AIE2_STATUS_CODE
};
struct assign_mgmt_pasid_req {
__u16 pasid;
__u16 reserved;
} __packed;
struct assign_mgmt_pasid_resp {
enum aie2_msg_status status;
} __packed;
struct map_host_buffer_req {
__u32 context_id;
__u64 buf_addr;
__u64 buf_size;
} __packed;
struct map_host_buffer_resp {
enum aie2_msg_status status;
} __packed;
#define MAX_CQ_PAIRS 2
struct cq_info {
__u32 head_addr;
__u32 tail_addr;
__u32 buf_addr;
__u32 buf_size;
};
struct cq_pair {
struct cq_info x2i_q;
struct cq_info i2x_q;
};
struct create_ctx_req {
__u32 aie_type;
__u8 start_col;
__u8 num_col;
__u16 reserved;
__u8 num_cq_pairs_requested;
__u8 reserved1;
__u16 pasid;
__u32 pad[2];
__u32 sec_comm_target_type;
__u32 context_priority;
} __packed;
struct create_ctx_resp {
enum aie2_msg_status status;
__u32 context_id;
__u16 msix_id;
__u8 num_cq_pairs_allocated;
__u8 reserved;
struct cq_pair cq_pair[MAX_CQ_PAIRS];
} __packed;
struct destroy_ctx_req {
__u32 context_id;
} __packed;
struct destroy_ctx_resp {
enum aie2_msg_status status;
} __packed;
enum telemetry_type {
TELEMETRY_TYPE_DISABLED,
TELEMETRY_TYPE_HEALTH,
TELEMETRY_TYPE_ERROR_INFO,
TELEMETRY_TYPE_PROFILING,
TELEMETRY_TYPE_DEBUG,
MAX_TELEMETRY_TYPE
};
struct get_telemetry_req {
enum telemetry_type type;
__u64 buf_addr;
__u32 buf_size;
} __packed;
struct get_telemetry_resp {
__u32 major;
__u32 minor;
__u32 size;
enum aie2_msg_status status;
} __packed;
struct execute_buffer_req {
__u32 cu_idx;
__u32 payload[19];
} __packed;
struct exec_dpu_req {
__u64 inst_buf_addr;
__u32 inst_size;
__u32 inst_prop_cnt;
__u32 cu_idx;
__u32 payload[35];
} __packed;
enum exec_npu_type {
EXEC_NPU_TYPE_NON_ELF = 0x1,
EXEC_NPU_TYPE_PARTIAL_ELF = 0x2,
EXEC_NPU_TYPE_PREEMPT = 0x3,
EXEC_NPU_TYPE_ELF = 0x4,
};
union exec_req {
struct execute_buffer_req ebuf;
struct exec_dpu_req dpu_req;
};
struct execute_buffer_resp {
enum aie2_msg_status status;
} __packed;
struct aie_tile_info {
__u32 size;
__u16 major;
__u16 minor;
__u16 cols;
__u16 rows;
__u16 core_rows;
__u16 mem_rows;
__u16 shim_rows;
__u16 core_row_start;
__u16 mem_row_start;
__u16 shim_row_start;
__u16 core_dma_channels;
__u16 mem_dma_channels;
__u16 shim_dma_channels;
__u16 core_locks;
__u16 mem_locks;
__u16 shim_locks;
__u16 core_events;
__u16 mem_events;
__u16 shim_events;
__u16 reserved;
};
struct aie_tile_info_req {
__u32 reserved;
} __packed;
struct aie_tile_info_resp {
enum aie2_msg_status status;
struct aie_tile_info info;
} __packed;
struct aie_version_info_req {
__u32 reserved;
} __packed;
struct aie_version_info_resp {
enum aie2_msg_status status;
__u16 major;
__u16 minor;
} __packed;
struct aie_column_info_req {
__u64 dump_buff_addr;
__u32 dump_buff_size;
__u32 num_cols;
__u32 aie_bitmap;
} __packed;
struct aie_column_info_resp {
enum aie2_msg_status status;
__u32 size;
} __packed;
struct suspend_req {
__u32 place_holder;
} __packed;
struct suspend_resp {
enum aie2_msg_status status;
} __packed;
struct resume_req {
__u32 place_holder;
} __packed;
struct resume_resp {
enum aie2_msg_status status;
} __packed;
struct check_header_hash_req {
__u64 hash_high;
__u64 hash_low;
} __packed;
struct check_header_hash_resp {
enum aie2_msg_status status;
} __packed;
struct query_error_req {
__u64 buf_addr;
__u32 buf_size;
__u32 next_row;
__u32 next_column;
__u32 next_module;
} __packed;
struct query_error_resp {
enum aie2_msg_status status;
__u32 num_err;
__u32 has_next_err;
__u32 next_row;
__u32 next_column;
__u32 next_module;
} __packed;
struct protocol_version_req {
__u32 reserved;
} __packed;
struct protocol_version_resp {
enum aie2_msg_status status;
__u32 major;
__u32 minor;
} __packed;
struct firmware_version_req {
__u32 reserved;
} __packed;
struct firmware_version_resp {
enum aie2_msg_status status;
__u32 major;
__u32 minor;
__u32 sub;
__u32 build;
} __packed;
#define MAX_NUM_CUS 32
#define AIE2_MSG_CFG_CU_PDI_ADDR GENMASK(16, 0)
#define AIE2_MSG_CFG_CU_FUNC GENMASK(24, 17)
struct config_cu_req {
__u32 num_cus;
__u32 cfgs[MAX_NUM_CUS];
} __packed;
struct config_cu_resp {
enum aie2_msg_status status;
} __packed;
struct set_runtime_cfg_req {
__u32 type;
__u64 value;
} __packed;
struct set_runtime_cfg_resp {
enum aie2_msg_status status;
} __packed;
struct get_runtime_cfg_req {
__u32 type;
} __packed;
struct get_runtime_cfg_resp {
enum aie2_msg_status status;
__u64 value;
} __packed;
enum async_event_type {
ASYNC_EVENT_TYPE_AIE_ERROR,
ASYNC_EVENT_TYPE_EXCEPTION,
MAX_ASYNC_EVENT_TYPE
};
#define ASYNC_BUF_SIZE SZ_8K
struct async_event_msg_req {
__u64 buf_addr;
__u32 buf_size;
} __packed;
struct async_event_msg_resp {
enum aie2_msg_status status;
enum async_event_type type;
} __packed;
#define MAX_CHAIN_CMDBUF_SIZE SZ_4K
struct cmd_chain_slot_execbuf_cf {
__u32 cu_idx;
__u32 arg_cnt;
__u32 args[] __counted_by(arg_cnt);
};
struct cmd_chain_slot_dpu {
__u64 inst_buf_addr;
__u32 inst_size;
__u32 inst_prop_cnt;
__u32 cu_idx;
__u32 arg_cnt;
#define MAX_DPU_ARGS_SIZE (34 * sizeof(__u32))
__u32 args[] __counted_by(arg_cnt);
};
#define MAX_NPU_ARGS_SIZE (26 * sizeof(__u32))
#define AIE2_EXEC_BUFFER_KERNEL_OP_TXN 3
struct cmd_chain_slot_npu {
enum exec_npu_type type;
u64 inst_buf_addr;
u64 save_buf_addr;
u64 restore_buf_addr;
u32 inst_size;
u32 save_size;
u32 restore_size;
u32 inst_prop_cnt;
u32 cu_idx;
u32 arg_cnt;
u32 args[] __counted_by(arg_cnt);
} __packed;
struct cmd_chain_req {
__u64 buf_addr;
__u32 buf_size;
__u32 count;
} __packed;
struct cmd_chain_npu_req {
u32 flags;
u32 reserved;
u64 buf_addr;
u32 buf_size;
u32 count;
} __packed;
union exec_chain_req {
struct cmd_chain_npu_req npu_req;
struct cmd_chain_req req;
};
struct cmd_chain_resp {
enum aie2_msg_status status;
__u32 fail_cmd_idx;
enum aie2_msg_status fail_cmd_status;
} __packed;
#define AIE2_MSG_SYNC_BO_SRC_TYPE GENMASK(3, 0)
#define AIE2_MSG_SYNC_BO_DST_TYPE GENMASK(7, 4)
struct sync_bo_req {
__u64 src_addr;
__u64 dst_addr;
__u32 size;
#define SYNC_BO_DEV_MEM 0
#define SYNC_BO_HOST_MEM 2
__u32 type;
} __packed;
struct sync_bo_resp {
enum aie2_msg_status status;
} __packed;
#define DEBUG_BO_UNREGISTER 0
#define DEBUG_BO_REGISTER 1
struct config_debug_bo_req {
__u64 offset;
__u64 size;
/*
* config operations.
* DEBUG_BO_REGISTER: Register debug buffer
* DEBUG_BO_UNREGISTER: Unregister debug buffer
*/
__u32 config;
} __packed;
struct config_debug_bo_resp {
enum aie2_msg_status status;
} __packed;
#endif /* _AIE2_MSG_PRIV_H_ */