1009 lines
33 KiB
C
1009 lines
33 KiB
C
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/* SPDX-License-Identifier: MIT */
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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/**
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* @file
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* @brief JSM shared definitions
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*
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* @ingroup Jsm
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* @brief JSM shared definitions
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* @{
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*/
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#ifndef VPU_JSM_API_H
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#define VPU_JSM_API_H
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/*
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* Major version changes that break backward compatibility
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*/
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#define VPU_JSM_API_VER_MAJOR 3
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/*
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* Minor version changes when API backward compatibility is preserved.
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*/
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#define VPU_JSM_API_VER_MINOR 0
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/*
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* API header changed (field names, documentation, formatting) but API itself has not been changed
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*/
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#define VPU_JSM_API_VER_PATCH 1
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/*
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* Index in the API version table
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*/
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#define VPU_JSM_API_VER_INDEX 4
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/*
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* Number of Priority Bands for Hardware Scheduling
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* Bands: RealTime, Focus, Normal, Idle
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*/
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#define VPU_HWS_NUM_PRIORITY_BANDS 4
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/* Max number of impacted contexts that can be dealt with the engine reset command */
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#define VPU_MAX_ENGINE_RESET_IMPACTED_CONTEXTS 3
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/** Pack the API structures for now, once alignment issues are fixed this can be removed */
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#pragma pack(push, 1)
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/*
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* Engine indexes.
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*/
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#define VPU_ENGINE_COMPUTE 0
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#define VPU_ENGINE_COPY 1
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#define VPU_ENGINE_NB 2
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/*
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* VPU status values.
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*/
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#define VPU_JSM_STATUS_SUCCESS 0x0U
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#define VPU_JSM_STATUS_PARSING_ERR 0x1U
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#define VPU_JSM_STATUS_PROCESSING_ERR 0x2U
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#define VPU_JSM_STATUS_PREEMPTED 0x3U
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#define VPU_JSM_STATUS_ABORTED 0x4U
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#define VPU_JSM_STATUS_USER_CTX_VIOL_ERR 0x5U
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#define VPU_JSM_STATUS_GLOBAL_CTX_VIOL_ERR 0x6U
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#define VPU_JSM_STATUS_MVNCI_WRONG_INPUT_FORMAT 0x7U
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#define VPU_JSM_STATUS_MVNCI_UNSUPPORTED_NETWORK_ELEMENT 0x8U
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#define VPU_JSM_STATUS_MVNCI_INVALID_HANDLE 0x9U
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#define VPU_JSM_STATUS_MVNCI_OUT_OF_RESOURCES 0xAU
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#define VPU_JSM_STATUS_MVNCI_NOT_IMPLEMENTED 0xBU
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#define VPU_JSM_STATUS_MVNCI_INTERNAL_ERROR 0xCU
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/* Job status returned when the job was preempted mid-inference */
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#define VPU_JSM_STATUS_PREEMPTED_MID_INFERENCE 0xDU
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/*
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* Host <-> VPU IPC channels.
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* ASYNC commands use a high priority channel, other messages use low-priority ones.
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*/
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#define VPU_IPC_CHAN_ASYNC_CMD 0
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#define VPU_IPC_CHAN_GEN_CMD 10
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#define VPU_IPC_CHAN_JOB_RET 11
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/*
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* Job flags bit masks.
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*/
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#define VPU_JOB_FLAGS_NULL_SUBMISSION_MASK 0x00000001
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/*
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* Sizes of the reserved areas in jobs, in bytes.
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*/
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#define VPU_JOB_RESERVED_BYTES 16
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/*
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* Sizes of the reserved areas in job queues, in bytes.
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*/
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#define VPU_JOB_QUEUE_RESERVED_BYTES 52
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/*
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* Max length (including trailing NULL char) of trace entity name (e.g., the
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* name of a logging destination or a loggable HW component).
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*/
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#define VPU_TRACE_ENTITY_NAME_MAX_LEN 32
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/*
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* Max length (including trailing NULL char) of a dyndbg command.
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*
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* NOTE: 96 is used so that the size of 'struct vpu_ipc_msg' in the JSM API is
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* 128 bytes (multiple of 64 bytes, the cache line size).
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*/
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#define VPU_DYNDBG_CMD_MAX_LEN 96
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/*
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* Job format.
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*/
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struct vpu_job_queue_entry {
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u64 batch_buf_addr; /**< Address of VPU commands batch buffer */
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u32 job_id; /**< Job ID */
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u32 flags; /**< Flags bit field, see VPU_JOB_FLAGS_* above */
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u64 root_page_table_addr; /**< Address of root page table to use for this job */
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u64 root_page_table_update_counter; /**< Page tables update events counter */
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u64 preemption_buffer_address; /**< Address of the preemption buffer to use for this job */
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u64 preemption_buffer_size; /**< Size of the preemption buffer to use for this job */
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u8 reserved_0[VPU_JOB_RESERVED_BYTES];
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};
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/*
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* Job queue control registers.
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*/
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struct vpu_job_queue_header {
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u32 engine_idx;
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u32 head;
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u32 tail;
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u8 reserved_0[VPU_JOB_QUEUE_RESERVED_BYTES];
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};
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/*
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* Job queue format.
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*/
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struct vpu_job_queue {
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struct vpu_job_queue_header header;
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struct vpu_job_queue_entry job[];
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};
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/**
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* Logging entity types.
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*
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* This enum defines the different types of entities involved in logging.
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*/
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enum vpu_trace_entity_type {
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/** Logging destination (entity where logs can be stored / printed). */
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VPU_TRACE_ENTITY_TYPE_DESTINATION = 1,
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/** Loggable HW component (HW entity that can be logged). */
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VPU_TRACE_ENTITY_TYPE_HW_COMPONENT = 2,
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};
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/*
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* Host <-> VPU IPC messages types.
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*/
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enum vpu_ipc_msg_type {
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VPU_JSM_MSG_UNKNOWN = 0xFFFFFFFF,
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/* IPC Host -> Device, Async commands */
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VPU_JSM_MSG_ASYNC_CMD = 0x1100,
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VPU_JSM_MSG_ENGINE_RESET = VPU_JSM_MSG_ASYNC_CMD,
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VPU_JSM_MSG_ENGINE_PREEMPT = 0x1101,
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VPU_JSM_MSG_REGISTER_DB = 0x1102,
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VPU_JSM_MSG_UNREGISTER_DB = 0x1103,
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VPU_JSM_MSG_QUERY_ENGINE_HB = 0x1104,
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VPU_JSM_MSG_GET_POWER_LEVEL_COUNT = 0x1105,
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VPU_JSM_MSG_GET_POWER_LEVEL = 0x1106,
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VPU_JSM_MSG_SET_POWER_LEVEL = 0x1107,
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/* @deprecated */
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VPU_JSM_MSG_METRIC_STREAMER_OPEN = 0x1108,
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/* @deprecated */
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VPU_JSM_MSG_METRIC_STREAMER_CLOSE = 0x1109,
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/** Configure logging (used to modify configuration passed in boot params). */
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VPU_JSM_MSG_TRACE_SET_CONFIG = 0x110a,
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/** Return current logging configuration. */
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VPU_JSM_MSG_TRACE_GET_CONFIG = 0x110b,
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/**
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* Get masks of destinations and HW components supported by the firmware
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* (may vary between HW generations and FW compile
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* time configurations)
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*/
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VPU_JSM_MSG_TRACE_GET_CAPABILITY = 0x110c,
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/** Get the name of a destination or HW component. */
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VPU_JSM_MSG_TRACE_GET_NAME = 0x110d,
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/**
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* Release resource associated with host ssid . All jobs that belong to the host_ssid
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* aborted and removed from internal scheduling queues. All doorbells assigned
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* to the host_ssid are unregistered and any internal FW resources belonging to
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* the host_ssid are released.
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*/
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VPU_JSM_MSG_SSID_RELEASE = 0x110e,
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/**
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* Start collecting metric data.
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* @see vpu_jsm_metric_streamer_start
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*/
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VPU_JSM_MSG_METRIC_STREAMER_START = 0x110f,
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/**
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* Stop collecting metric data. This command will return success if it is called
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* for a metric stream that has already been stopped or was never started.
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* @see vpu_jsm_metric_streamer_stop
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*/
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VPU_JSM_MSG_METRIC_STREAMER_STOP = 0x1110,
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/**
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* Update current and next buffer for metric data collection. This command can
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* also be used to request information about the number of collected samples
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* and the amount of data written to the buffer.
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* @see vpu_jsm_metric_streamer_update
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*/
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VPU_JSM_MSG_METRIC_STREAMER_UPDATE = 0x1111,
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/**
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* Request description of selected metric groups and metric counters within
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* each group. The VPU will write the description of groups and counters to
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* the buffer specified in the command structure.
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* @see vpu_jsm_metric_streamer_start
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*/
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VPU_JSM_MSG_METRIC_STREAMER_INFO = 0x1112,
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/** Control command: Priority band setup */
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VPU_JSM_MSG_SET_PRIORITY_BAND_SETUP = 0x1113,
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/** Control command: Create command queue */
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VPU_JSM_MSG_CREATE_CMD_QUEUE = 0x1114,
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/** Control command: Destroy command queue */
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VPU_JSM_MSG_DESTROY_CMD_QUEUE = 0x1115,
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/** Control command: Set context scheduling properties */
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VPU_JSM_MSG_SET_CONTEXT_SCHED_PROPERTIES = 0x1116,
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/*
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* Register a doorbell to notify VPU of new work. The doorbell may later be
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* deallocated or reassigned to another context.
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*/
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VPU_JSM_MSG_HWS_REGISTER_DB = 0x1117,
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/* IPC Host -> Device, General commands */
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VPU_JSM_MSG_GENERAL_CMD = 0x1200,
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VPU_JSM_MSG_BLOB_DEINIT = VPU_JSM_MSG_GENERAL_CMD,
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/**
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* Control dyndbg behavior by executing a dyndbg command; equivalent to
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* Linux command: `echo '<dyndbg_cmd>' > <debugfs>/dynamic_debug/control`.
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*/
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VPU_JSM_MSG_DYNDBG_CONTROL = 0x1201,
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/* IPC Device -> Host, Job completion */
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VPU_JSM_MSG_JOB_DONE = 0x2100,
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/* IPC Device -> Host, Async command completion */
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VPU_JSM_MSG_ASYNC_CMD_DONE = 0x2200,
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VPU_JSM_MSG_ENGINE_RESET_DONE = VPU_JSM_MSG_ASYNC_CMD_DONE,
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VPU_JSM_MSG_ENGINE_PREEMPT_DONE = 0x2201,
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VPU_JSM_MSG_REGISTER_DB_DONE = 0x2202,
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VPU_JSM_MSG_UNREGISTER_DB_DONE = 0x2203,
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VPU_JSM_MSG_QUERY_ENGINE_HB_DONE = 0x2204,
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VPU_JSM_MSG_GET_POWER_LEVEL_COUNT_DONE = 0x2205,
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VPU_JSM_MSG_GET_POWER_LEVEL_DONE = 0x2206,
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VPU_JSM_MSG_SET_POWER_LEVEL_DONE = 0x2207,
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/* @deprecated */
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VPU_JSM_MSG_METRIC_STREAMER_OPEN_DONE = 0x2208,
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/* @deprecated */
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VPU_JSM_MSG_METRIC_STREAMER_CLOSE_DONE = 0x2209,
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/** Response to VPU_JSM_MSG_TRACE_SET_CONFIG. */
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VPU_JSM_MSG_TRACE_SET_CONFIG_RSP = 0x220a,
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/** Response to VPU_JSM_MSG_TRACE_GET_CONFIG. */
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VPU_JSM_MSG_TRACE_GET_CONFIG_RSP = 0x220b,
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/** Response to VPU_JSM_MSG_TRACE_GET_CAPABILITY. */
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VPU_JSM_MSG_TRACE_GET_CAPABILITY_RSP = 0x220c,
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/** Response to VPU_JSM_MSG_TRACE_GET_NAME. */
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VPU_JSM_MSG_TRACE_GET_NAME_RSP = 0x220d,
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/** Response to VPU_JSM_MSG_SSID_RELEASE. */
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VPU_JSM_MSG_SSID_RELEASE_DONE = 0x220e,
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/**
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* Response to VPU_JSM_MSG_METRIC_STREAMER_START.
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* VPU will return an error result if metric collection cannot be started,
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* e.g. when the specified metric mask is invalid.
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* @see vpu_jsm_metric_streamer_done
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*/
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VPU_JSM_MSG_METRIC_STREAMER_START_DONE = 0x220f,
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/**
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* Response to VPU_JSM_MSG_METRIC_STREAMER_STOP.
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* Returns information about collected metric data.
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* @see vpu_jsm_metric_streamer_done
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*/
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VPU_JSM_MSG_METRIC_STREAMER_STOP_DONE = 0x2210,
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/**
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* Response to VPU_JSM_MSG_METRIC_STREAMER_UPDATE.
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* Returns information about collected metric data.
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* @see vpu_jsm_metric_streamer_done
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*/
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VPU_JSM_MSG_METRIC_STREAMER_UPDATE_DONE = 0x2211,
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/**
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* Response to VPU_JSM_MSG_METRIC_STREAMER_INFO.
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* Returns a description of the metric groups and metric counters.
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* @see vpu_jsm_metric_streamer_done
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*/
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VPU_JSM_MSG_METRIC_STREAMER_INFO_DONE = 0x2212,
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/**
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* Asynchronous event sent from the VPU to the host either when the current
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* metric buffer is full or when the VPU has collected a multiple of
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* @notify_sample_count samples as indicated through the start command
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* (VPU_JSM_MSG_METRIC_STREAMER_START). Returns information about collected
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* metric data.
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* @see vpu_jsm_metric_streamer_done
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*/
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VPU_JSM_MSG_METRIC_STREAMER_NOTIFICATION = 0x2213,
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/** Response to control command: Priority band setup */
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VPU_JSM_MSG_SET_PRIORITY_BAND_SETUP_RSP = 0x2214,
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/** Response to control command: Create command queue */
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VPU_JSM_MSG_CREATE_CMD_QUEUE_RSP = 0x2215,
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/** Response to control command: Destroy command queue */
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VPU_JSM_MSG_DESTROY_CMD_QUEUE_RSP = 0x2216,
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/** Response to control command: Set context scheduling properties */
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VPU_JSM_MSG_SET_CONTEXT_SCHED_PROPERTIES_RSP = 0x2217,
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/* IPC Device -> Host, General command completion */
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VPU_JSM_MSG_GENERAL_CMD_DONE = 0x2300,
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VPU_JSM_MSG_BLOB_DEINIT_DONE = VPU_JSM_MSG_GENERAL_CMD_DONE,
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/** Response to VPU_JSM_MSG_DYNDBG_CONTROL. */
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VPU_JSM_MSG_DYNDBG_CONTROL_RSP = 0x2301,
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};
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enum vpu_ipc_msg_status { VPU_JSM_MSG_FREE, VPU_JSM_MSG_ALLOCATED };
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/*
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* Host <-> LRT IPC message payload definitions
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*/
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struct vpu_ipc_msg_payload_engine_reset {
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/* Engine to be reset. */
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u32 engine_idx;
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/* Reserved */
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u32 reserved_0;
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};
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struct vpu_ipc_msg_payload_engine_preempt {
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||
|
|
/* Engine to be preempted. */
|
||
|
|
u32 engine_idx;
|
||
|
|
/* ID of the preemption request. */
|
||
|
|
u32 preempt_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* @brief Register doorbell command structure.
|
||
|
|
* This structure supports doorbell registration for only OS scheduling.
|
||
|
|
* @see VPU_JSM_MSG_REGISTER_DB
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_register_db {
|
||
|
|
/* Index of the doorbell to register. */
|
||
|
|
u32 db_idx;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
/* Virtual address in Global GTT pointing to the start of job queue. */
|
||
|
|
u64 jobq_base;
|
||
|
|
/* Size of the job queue in bytes. */
|
||
|
|
u32 jobq_size;
|
||
|
|
/* Host sub-stream ID for the context assigned to the doorbell. */
|
||
|
|
u32 host_ssid;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Unregister doorbell command structure.
|
||
|
|
* Request structure to unregister a doorbell for both HW and OS scheduling.
|
||
|
|
* @see VPU_JSM_MSG_UNREGISTER_DB
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_unregister_db {
|
||
|
|
/* Index of the doorbell to unregister. */
|
||
|
|
u32 db_idx;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_query_engine_hb {
|
||
|
|
/* Engine to return heartbeat value. */
|
||
|
|
u32 engine_idx;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_power_level {
|
||
|
|
/**
|
||
|
|
* Requested power level. The power level value is in the
|
||
|
|
* range [0, power_level_count-1] where power_level_count
|
||
|
|
* is the number of available power levels as returned by
|
||
|
|
* the get power level count command. A power level of 0
|
||
|
|
* corresponds to the maximum possible power level, while
|
||
|
|
* power_level_count-1 corresponds to the minimum possible
|
||
|
|
* power level. Values outside of this range are not
|
||
|
|
* considered to be valid.
|
||
|
|
*/
|
||
|
|
u32 power_level;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_ssid_release {
|
||
|
|
/* Host sub-stream ID for the context to be released. */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Metric streamer start command structure.
|
||
|
|
* This structure is also used with VPU_JSM_MSG_METRIC_STREAMER_INFO to request metric
|
||
|
|
* groups and metric counters description from the firmware.
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_START
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_INFO
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_metric_streamer_start {
|
||
|
|
/**
|
||
|
|
* Bitmask to select the desired metric groups.
|
||
|
|
* A metric group can belong only to one metric streamer instance at a time.
|
||
|
|
* Since each metric streamer instance has a unique set of metric groups, it
|
||
|
|
* can also identify a metric streamer instance if more than one instance was
|
||
|
|
* started. If the VPU device does not support multiple metric streamer instances,
|
||
|
|
* then VPU_JSM_MSG_METRIC_STREAMER_START will return an error even if the second
|
||
|
|
* instance has different groups to the first.
|
||
|
|
*/
|
||
|
|
u64 metric_group_mask;
|
||
|
|
/** Sampling rate in nanoseconds. */
|
||
|
|
u64 sampling_rate;
|
||
|
|
/**
|
||
|
|
* If > 0 the VPU will send a VPU_JSM_MSG_METRIC_STREAMER_NOTIFICATION message
|
||
|
|
* after every @notify_sample_count samples is collected or dropped by the VPU.
|
||
|
|
* If set to UINT_MAX the VPU will only generate a notification when the metric
|
||
|
|
* buffer is full. If set to 0 the VPU will never generate a notification.
|
||
|
|
*/
|
||
|
|
u32 notify_sample_count;
|
||
|
|
u32 reserved_0;
|
||
|
|
/**
|
||
|
|
* Address and size of the buffer where the VPU will write metric data. The
|
||
|
|
* VPU writes all counters from enabled metric groups one after another. If
|
||
|
|
* there is no space left to write data at the next sample period the VPU
|
||
|
|
* will switch to the next buffer (@see next_buffer_addr) and will optionally
|
||
|
|
* send a notification to the host driver if @notify_sample_count is non-zero.
|
||
|
|
* If @next_buffer_addr is NULL the VPU will stop collecting metric data.
|
||
|
|
*/
|
||
|
|
u64 buffer_addr;
|
||
|
|
u64 buffer_size;
|
||
|
|
/**
|
||
|
|
* Address and size of the next buffer to write metric data to after the initial
|
||
|
|
* buffer is full. If the address is NULL the VPU will stop collecting metric
|
||
|
|
* data.
|
||
|
|
*/
|
||
|
|
u64 next_buffer_addr;
|
||
|
|
u64 next_buffer_size;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Metric streamer stop command structure.
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_STOP
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_metric_streamer_stop {
|
||
|
|
/** Bitmask to select the desired metric groups. */
|
||
|
|
u64 metric_group_mask;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Provide VPU FW with buffers to write metric data.
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_UPDATE
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_metric_streamer_update {
|
||
|
|
/** Metric group mask that identifies metric streamer instance. */
|
||
|
|
u64 metric_group_mask;
|
||
|
|
/**
|
||
|
|
* Address and size of the buffer where the VPU will write metric data. If
|
||
|
|
* the buffer address is 0 or same as the currently used buffer the VPU will
|
||
|
|
* continue writing metric data to the current buffer. In this case the
|
||
|
|
* buffer size is ignored and the size of the current buffer is unchanged.
|
||
|
|
* If the address is non-zero and differs from the current buffer address the
|
||
|
|
* VPU will immediately switch data collection to the new buffer.
|
||
|
|
*/
|
||
|
|
u64 buffer_addr;
|
||
|
|
u64 buffer_size;
|
||
|
|
/**
|
||
|
|
* Address and size of the next buffer to write metric data after the initial
|
||
|
|
* buffer is full. If the address is NULL the VPU will stop collecting metric
|
||
|
|
* data but will continue to record dropped samples.
|
||
|
|
*
|
||
|
|
* Note that there is a hazard possible if both buffer_addr and the next_buffer_addr
|
||
|
|
* are non-zero in same update request. It is the host's responsibility to ensure
|
||
|
|
* that both addresses make sense even if the VPU just switched to writing samples
|
||
|
|
* from the current to the next buffer.
|
||
|
|
*/
|
||
|
|
u64 next_buffer_addr;
|
||
|
|
u64 next_buffer_size;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_blob_deinit {
|
||
|
|
/* 64-bit unique ID for the blob to be de-initialized. */
|
||
|
|
u64 blob_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_job_done {
|
||
|
|
/* Engine to which the job was submitted. */
|
||
|
|
u32 engine_idx;
|
||
|
|
/* Index of the doorbell to which the job was submitted */
|
||
|
|
u32 db_idx;
|
||
|
|
/* ID of the completed job */
|
||
|
|
u32 job_id;
|
||
|
|
/* Status of the completed job */
|
||
|
|
u32 job_status;
|
||
|
|
/* Host SSID */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Zero Padding */
|
||
|
|
u32 reserved_0;
|
||
|
|
/* Command queue id */
|
||
|
|
u64 cmdq_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_jsm_engine_reset_context {
|
||
|
|
/* Host SSID */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Zero Padding */
|
||
|
|
u32 reserved_0;
|
||
|
|
/* Command queue id */
|
||
|
|
u64 cmdq_id;
|
||
|
|
/* Flags: 0: cause of hang; 1: collateral damage of reset */
|
||
|
|
u64 flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_engine_reset_done {
|
||
|
|
/* Engine ordinal */
|
||
|
|
u32 engine_idx;
|
||
|
|
/* Number of impacted contexts */
|
||
|
|
u32 num_impacted_contexts;
|
||
|
|
/* Array of impacted command queue ids and their flags */
|
||
|
|
struct vpu_jsm_engine_reset_context
|
||
|
|
impacted_contexts[VPU_MAX_ENGINE_RESET_IMPACTED_CONTEXTS];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_engine_preempt_done {
|
||
|
|
/* Engine preempted. */
|
||
|
|
u32 engine_idx;
|
||
|
|
/* ID of the preemption request. */
|
||
|
|
u32 preempt_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Response structure for register doorbell command for both OS
|
||
|
|
* and HW scheduling.
|
||
|
|
* @see VPU_JSM_MSG_REGISTER_DB
|
||
|
|
* @see VPU_JSM_MSG_HWS_REGISTER_DB
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_register_db_done {
|
||
|
|
/* Index of the registered doorbell. */
|
||
|
|
u32 db_idx;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Response structure for unregister doorbell command for both OS
|
||
|
|
* and HW scheduling.
|
||
|
|
* @see VPU_JSM_MSG_UNREGISTER_DB
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_unregister_db_done {
|
||
|
|
/* Index of the unregistered doorbell. */
|
||
|
|
u32 db_idx;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_query_engine_hb_done {
|
||
|
|
/* Engine returning heartbeat value. */
|
||
|
|
u32 engine_idx;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
/* Heartbeat value. */
|
||
|
|
u64 heartbeat;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_get_power_level_count_done {
|
||
|
|
/**
|
||
|
|
* Number of supported power levels. The maximum possible
|
||
|
|
* value of power_level_count is 16 but this may vary across
|
||
|
|
* implementations.
|
||
|
|
*/
|
||
|
|
u32 power_level_count;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
/**
|
||
|
|
* Power consumption limit for each supported power level in
|
||
|
|
* [0-100%] range relative to power level 0.
|
||
|
|
*/
|
||
|
|
u8 power_limit[16];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vpu_ipc_msg_payload_blob_deinit_done {
|
||
|
|
/* 64-bit unique ID for the blob de-initialized. */
|
||
|
|
u64 blob_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* HWS priority band setup request / response */
|
||
|
|
struct vpu_ipc_msg_payload_hws_priority_band_setup {
|
||
|
|
/*
|
||
|
|
* Grace period in 100ns units when preempting another priority band for
|
||
|
|
* this priority band
|
||
|
|
*/
|
||
|
|
u32 grace_period[VPU_HWS_NUM_PRIORITY_BANDS];
|
||
|
|
/*
|
||
|
|
* Default quantum in 100ns units for scheduling across processes
|
||
|
|
* within a priority band
|
||
|
|
*/
|
||
|
|
u64 process_quantum[VPU_HWS_NUM_PRIORITY_BANDS];
|
||
|
|
/*
|
||
|
|
* Default grace period in 100ns units for processes that preempt each
|
||
|
|
* other within a priority band
|
||
|
|
*/
|
||
|
|
u64 process_grace_period[VPU_HWS_NUM_PRIORITY_BANDS];
|
||
|
|
/*
|
||
|
|
* For normal priority band, specifies the target VPU percentage
|
||
|
|
* in situations when it's starved by the focus band.
|
||
|
|
*/
|
||
|
|
u32 normal_band_percentage;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* HWS create command queue request */
|
||
|
|
struct vpu_ipc_msg_payload_hws_create_cmdq {
|
||
|
|
/* Process id */
|
||
|
|
u64 process_id;
|
||
|
|
/* Host SSID */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Zero Padding */
|
||
|
|
u32 reserved;
|
||
|
|
/* Command queue id */
|
||
|
|
u64 cmdq_id;
|
||
|
|
/* Command queue base */
|
||
|
|
u64 cmdq_base;
|
||
|
|
/* Command queue size */
|
||
|
|
u32 cmdq_size;
|
||
|
|
/* Reserved */
|
||
|
|
u32 reserved_0;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* HWS create command queue response */
|
||
|
|
struct vpu_ipc_msg_payload_hws_create_cmdq_rsp {
|
||
|
|
/* Process id */
|
||
|
|
u64 process_id;
|
||
|
|
/* Host SSID */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Zero Padding */
|
||
|
|
u32 reserved;
|
||
|
|
/* Command queue id */
|
||
|
|
u64 cmdq_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* HWS destroy command queue request / response */
|
||
|
|
struct vpu_ipc_msg_payload_hws_destroy_cmdq {
|
||
|
|
/* Host SSID */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Zero Padding */
|
||
|
|
u32 reserved;
|
||
|
|
/* Command queue id */
|
||
|
|
u64 cmdq_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* HWS set context scheduling properties request / response */
|
||
|
|
struct vpu_ipc_msg_payload_hws_set_context_sched_properties {
|
||
|
|
/* Host SSID */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* Zero Padding */
|
||
|
|
u32 reserved_0;
|
||
|
|
/* Command queue id */
|
||
|
|
u64 cmdq_id;
|
||
|
|
/* Priority band to assign to work of this context */
|
||
|
|
u32 priority_band;
|
||
|
|
/* Inside realtime band assigns a further priority */
|
||
|
|
u32 realtime_priority_level;
|
||
|
|
/* Priority relative to other contexts in the same process */
|
||
|
|
u32 in_process_priority;
|
||
|
|
/* Zero padding / Reserved */
|
||
|
|
u32 reserved_1;
|
||
|
|
/* Context quantum relative to other contexts of same priority in the same process */
|
||
|
|
u64 context_quantum;
|
||
|
|
/* Grace period when preempting context of the same priority within the same process */
|
||
|
|
u64 grace_period_same_priority;
|
||
|
|
/* Grace period when preempting context of a lower priority within the same process */
|
||
|
|
u64 grace_period_lower_priority;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* @brief Register doorbell command structure.
|
||
|
|
* This structure supports doorbell registration for both HW and OS scheduling.
|
||
|
|
* Note: Queue base and size are added here so that the same structure can be used for
|
||
|
|
* OS scheduling and HW scheduling. For OS scheduling, cmdq_id will be ignored
|
||
|
|
* and cmdq_base and cmdq_size will be used. For HW scheduling, cmdq_base and cmdq_size will be
|
||
|
|
* ignored and cmdq_id is used.
|
||
|
|
* @see VPU_JSM_MSG_HWS_REGISTER_DB
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_hws_register_db {
|
||
|
|
/* Index of the doorbell to register. */
|
||
|
|
u32 db_id;
|
||
|
|
/* Host sub-stream ID for the context assigned to the doorbell. */
|
||
|
|
u32 host_ssid;
|
||
|
|
/* ID of the command queue associated with the doorbell. */
|
||
|
|
u64 cmdq_id;
|
||
|
|
/* Virtual address pointing to the start of command queue. */
|
||
|
|
u64 cmdq_base;
|
||
|
|
/* Size of the command queue in bytes. */
|
||
|
|
u64 cmdq_size;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Payload for VPU_JSM_MSG_TRACE_SET_CONFIG[_RSP] and
|
||
|
|
* VPU_JSM_MSG_TRACE_GET_CONFIG_RSP messages.
|
||
|
|
*
|
||
|
|
* The payload is interpreted differently depending on the type of message:
|
||
|
|
*
|
||
|
|
* - For VPU_JSM_MSG_TRACE_SET_CONFIG, the payload specifies the desired
|
||
|
|
* logging configuration to be set.
|
||
|
|
*
|
||
|
|
* - For VPU_JSM_MSG_TRACE_SET_CONFIG_RSP, the payload reports the logging
|
||
|
|
* configuration that was set after a VPU_JSM_MSG_TRACE_SET_CONFIG request.
|
||
|
|
* The host can compare this payload with the one it sent in the
|
||
|
|
* VPU_JSM_MSG_TRACE_SET_CONFIG request to check whether or not the
|
||
|
|
* configuration was set as desired.
|
||
|
|
*
|
||
|
|
* - VPU_JSM_MSG_TRACE_GET_CONFIG_RSP, the payload reports the current logging
|
||
|
|
* configuration.
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_trace_config {
|
||
|
|
/**
|
||
|
|
* Logging level (currently set or to be set); see 'mvLog_t' enum for
|
||
|
|
* acceptable values. The specified logging level applies to all
|
||
|
|
* destinations and HW components
|
||
|
|
*/
|
||
|
|
u32 trace_level;
|
||
|
|
/**
|
||
|
|
* Bitmask of logging destinations (currently enabled or to be enabled);
|
||
|
|
* bitwise OR of values defined in logging_destination enum.
|
||
|
|
*/
|
||
|
|
u32 trace_destination_mask;
|
||
|
|
/**
|
||
|
|
* Bitmask of loggable HW components (currently enabled or to be enabled);
|
||
|
|
* bitwise OR of values defined in loggable_hw_component enum.
|
||
|
|
*/
|
||
|
|
u64 trace_hw_component_mask;
|
||
|
|
u64 reserved_0; /**< Reserved for future extensions. */
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Payload for VPU_JSM_MSG_TRACE_GET_CAPABILITY_RSP messages.
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_trace_capability_rsp {
|
||
|
|
u32 trace_destination_mask; /**< Bitmask of supported logging destinations. */
|
||
|
|
u32 reserved_0;
|
||
|
|
u64 trace_hw_component_mask; /**< Bitmask of supported loggable HW components. */
|
||
|
|
u64 reserved_1; /**< Reserved for future extensions. */
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Payload for VPU_JSM_MSG_TRACE_GET_NAME requests.
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_trace_get_name {
|
||
|
|
/**
|
||
|
|
* The type of the entity to query name for; see logging_entity_type for
|
||
|
|
* possible values.
|
||
|
|
*/
|
||
|
|
u32 entity_type;
|
||
|
|
u32 reserved_0;
|
||
|
|
/**
|
||
|
|
* The ID of the entity to query name for; possible values depends on the
|
||
|
|
* entity type.
|
||
|
|
*/
|
||
|
|
u64 entity_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Payload for VPU_JSM_MSG_TRACE_GET_NAME_RSP responses.
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_trace_get_name_rsp {
|
||
|
|
/**
|
||
|
|
* The type of the entity whose name was queried; see logging_entity_type
|
||
|
|
* for possible values.
|
||
|
|
*/
|
||
|
|
u32 entity_type;
|
||
|
|
u32 reserved_0;
|
||
|
|
/**
|
||
|
|
* The ID of the entity whose name was queried; possible values depends on
|
||
|
|
* the entity type.
|
||
|
|
*/
|
||
|
|
u64 entity_id;
|
||
|
|
/** Reserved for future extensions. */
|
||
|
|
u64 reserved_1;
|
||
|
|
/** The name of the entity. */
|
||
|
|
char entity_name[VPU_TRACE_ENTITY_NAME_MAX_LEN];
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Data sent from the VPU to the host in all metric streamer response messages
|
||
|
|
* and in asynchronous notification.
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_START_DONE
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_STOP_DONE
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_UPDATE_DONE
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_INFO_DONE
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_NOTIFICATION
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_metric_streamer_done {
|
||
|
|
/** Metric group mask that identifies metric streamer instance. */
|
||
|
|
u64 metric_group_mask;
|
||
|
|
/**
|
||
|
|
* Size in bytes of single sample - total size of all enabled counters.
|
||
|
|
* Some VPU implementations may align sample_size to more than 8 bytes.
|
||
|
|
*/
|
||
|
|
u32 sample_size;
|
||
|
|
u32 reserved_0;
|
||
|
|
/**
|
||
|
|
* Number of samples collected since the metric streamer was started.
|
||
|
|
* This will be 0 if the metric streamer was not started.
|
||
|
|
*/
|
||
|
|
u32 samples_collected;
|
||
|
|
/**
|
||
|
|
* Number of samples dropped since the metric streamer was started. This
|
||
|
|
* is incremented every time the metric streamer is not able to write
|
||
|
|
* collected samples because the current buffer is full and there is no
|
||
|
|
* next buffer to switch to.
|
||
|
|
*/
|
||
|
|
u32 samples_dropped;
|
||
|
|
/** Address of the buffer that contains the latest metric data. */
|
||
|
|
u64 buffer_addr;
|
||
|
|
/**
|
||
|
|
* Number of bytes written into the metric data buffer. In response to the
|
||
|
|
* VPU_JSM_MSG_METRIC_STREAMER_INFO request this field contains the size of
|
||
|
|
* all group and counter descriptors. The size is updated even if the buffer
|
||
|
|
* in the request was NULL or too small to hold descriptors of all counters
|
||
|
|
*/
|
||
|
|
u64 bytes_written;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Metric group description placed in the metric buffer after successful completion
|
||
|
|
* of the VPU_JSM_MSG_METRIC_STREAMER_INFO command. This is followed by one or more
|
||
|
|
* @vpu_jsm_metric_counter_descriptor records.
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_INFO
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_metric_group_descriptor {
|
||
|
|
/**
|
||
|
|
* Offset to the next metric group (8-byte aligned). If this offset is 0 this
|
||
|
|
* is the last descriptor. The value of metric_info_size must be greater than
|
||
|
|
* or equal to sizeof(struct vpu_jsm_metric_group_descriptor) + name_string_size
|
||
|
|
* + description_string_size and must be 8-byte aligned.
|
||
|
|
*/
|
||
|
|
u32 next_metric_group_info_offset;
|
||
|
|
/**
|
||
|
|
* Offset to the first metric counter description record (8-byte aligned).
|
||
|
|
* @see vpu_jsm_metric_counter_descriptor
|
||
|
|
*/
|
||
|
|
u32 next_metric_counter_info_offset;
|
||
|
|
/** Index of the group. This corresponds to bit index in metric_group_mask. */
|
||
|
|
u32 group_id;
|
||
|
|
/** Number of counters in the metric group. */
|
||
|
|
u32 num_counters;
|
||
|
|
/** Data size for all counters, must be a multiple of 8 bytes.*/
|
||
|
|
u32 metric_group_data_size;
|
||
|
|
/**
|
||
|
|
* Metric group domain number. Cannot use multiple, simultaneous metric groups
|
||
|
|
* from the same domain.
|
||
|
|
*/
|
||
|
|
u32 domain;
|
||
|
|
/**
|
||
|
|
* Counter name string size. The string must include a null termination character.
|
||
|
|
* The FW may use a fixed size name or send a different name for each counter.
|
||
|
|
* If the VPU uses fixed size strings, all characters from the end of the name
|
||
|
|
* to the of the fixed size character array must be zeroed.
|
||
|
|
*/
|
||
|
|
u32 name_string_size;
|
||
|
|
/** Counter description string size, @see name_string_size */
|
||
|
|
u32 description_string_size;
|
||
|
|
u64 reserved_0;
|
||
|
|
/**
|
||
|
|
* Right after this structure, the VPU writes name and description of
|
||
|
|
* the metric group.
|
||
|
|
*/
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Metric counter description, placed in the buffer after vpu_jsm_metric_group_descriptor.
|
||
|
|
* @see VPU_JSM_MSG_METRIC_STREAMER_INFO
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_metric_counter_descriptor {
|
||
|
|
/**
|
||
|
|
* Offset to the next counter in a group (8-byte aligned). If this offset is
|
||
|
|
* 0 this is the last counter in the group.
|
||
|
|
*/
|
||
|
|
u32 next_metric_counter_info_offset;
|
||
|
|
/**
|
||
|
|
* Offset to the counter data from the start of samples in this metric group.
|
||
|
|
* Note that metric_data_offset % metric_data_size must be 0.
|
||
|
|
*/
|
||
|
|
u32 metric_data_offset;
|
||
|
|
/** Size of the metric counter data in bytes. */
|
||
|
|
u32 metric_data_size;
|
||
|
|
/** Metric type, see Level Zero API for definitions. */
|
||
|
|
u32 tier;
|
||
|
|
/** Metric type, see set_metric_type_t for definitions. */
|
||
|
|
u32 metric_type;
|
||
|
|
/** Metric type, see set_value_type_t for definitions. */
|
||
|
|
u32 metric_value_type;
|
||
|
|
/**
|
||
|
|
* Counter name string size. The string must include a null termination character.
|
||
|
|
* The FW may use a fixed size name or send a different name for each counter.
|
||
|
|
* If the VPU uses fixed size strings, all characters from the end of the name
|
||
|
|
* to the of the fixed size character array must be zeroed.
|
||
|
|
*/
|
||
|
|
u32 name_string_size;
|
||
|
|
/** Counter description string size, @see name_string_size */
|
||
|
|
u32 description_string_size;
|
||
|
|
/** Counter component name string size, @see name_string_size */
|
||
|
|
u32 component_string_size;
|
||
|
|
/** Counter string size, @see name_string_size */
|
||
|
|
u32 units_string_size;
|
||
|
|
u64 reserved_0;
|
||
|
|
/**
|
||
|
|
* Right after this structure, the VPU writes name, description
|
||
|
|
* component and unit strings.
|
||
|
|
*/
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Payload for VPU_JSM_MSG_DYNDBG_CONTROL requests.
|
||
|
|
*
|
||
|
|
* VPU_JSM_MSG_DYNDBG_CONTROL are used to control the VPU FW Dynamic Debug
|
||
|
|
* feature, which allows developers to selectively enable / disable MVLOG_DEBUG
|
||
|
|
* messages. This is equivalent to the Dynamic Debug functionality provided by
|
||
|
|
* Linux
|
||
|
|
* (https://www.kernel.org/doc/html/latest/admin-guide/dynamic-debug-howto.html)
|
||
|
|
* The host can control Dynamic Debug behavior by sending dyndbg commands, which
|
||
|
|
* have the same syntax as Linux
|
||
|
|
* dyndbg commands.
|
||
|
|
*
|
||
|
|
* NOTE: in order for MVLOG_DEBUG messages to be actually printed, the host
|
||
|
|
* still has to set the logging level to MVLOG_DEBUG, using the
|
||
|
|
* VPU_JSM_MSG_TRACE_SET_CONFIG command.
|
||
|
|
*
|
||
|
|
* The host can see the current dynamic debug configuration by executing a
|
||
|
|
* special 'show' command. The dyndbg configuration will be printed to the
|
||
|
|
* configured logging destination using MVLOG_INFO logging level.
|
||
|
|
*/
|
||
|
|
struct vpu_ipc_msg_payload_dyndbg_control {
|
||
|
|
/**
|
||
|
|
* Dyndbg command (same format as Linux dyndbg); must be a NULL-terminated
|
||
|
|
* string.
|
||
|
|
*/
|
||
|
|
char dyndbg_cmd[VPU_DYNDBG_CMD_MAX_LEN];
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Payloads union, used to define complete message format.
|
||
|
|
*/
|
||
|
|
union vpu_ipc_msg_payload {
|
||
|
|
struct vpu_ipc_msg_payload_engine_reset engine_reset;
|
||
|
|
struct vpu_ipc_msg_payload_engine_preempt engine_preempt;
|
||
|
|
struct vpu_ipc_msg_payload_register_db register_db;
|
||
|
|
struct vpu_ipc_msg_payload_unregister_db unregister_db;
|
||
|
|
struct vpu_ipc_msg_payload_query_engine_hb query_engine_hb;
|
||
|
|
struct vpu_ipc_msg_payload_power_level power_level;
|
||
|
|
struct vpu_jsm_metric_streamer_start metric_streamer_start;
|
||
|
|
struct vpu_jsm_metric_streamer_stop metric_streamer_stop;
|
||
|
|
struct vpu_jsm_metric_streamer_update metric_streamer_update;
|
||
|
|
struct vpu_ipc_msg_payload_blob_deinit blob_deinit;
|
||
|
|
struct vpu_ipc_msg_payload_ssid_release ssid_release;
|
||
|
|
struct vpu_jsm_hws_register_db hws_register_db;
|
||
|
|
struct vpu_ipc_msg_payload_job_done job_done;
|
||
|
|
struct vpu_ipc_msg_payload_engine_reset_done engine_reset_done;
|
||
|
|
struct vpu_ipc_msg_payload_engine_preempt_done engine_preempt_done;
|
||
|
|
struct vpu_ipc_msg_payload_register_db_done register_db_done;
|
||
|
|
struct vpu_ipc_msg_payload_unregister_db_done unregister_db_done;
|
||
|
|
struct vpu_ipc_msg_payload_query_engine_hb_done query_engine_hb_done;
|
||
|
|
struct vpu_ipc_msg_payload_get_power_level_count_done get_power_level_count_done;
|
||
|
|
struct vpu_jsm_metric_streamer_done metric_streamer_done;
|
||
|
|
struct vpu_ipc_msg_payload_blob_deinit_done blob_deinit_done;
|
||
|
|
struct vpu_ipc_msg_payload_trace_config trace_config;
|
||
|
|
struct vpu_ipc_msg_payload_trace_capability_rsp trace_capability;
|
||
|
|
struct vpu_ipc_msg_payload_trace_get_name trace_get_name;
|
||
|
|
struct vpu_ipc_msg_payload_trace_get_name_rsp trace_get_name_rsp;
|
||
|
|
struct vpu_ipc_msg_payload_dyndbg_control dyndbg_control;
|
||
|
|
struct vpu_ipc_msg_payload_hws_priority_band_setup hws_priority_band_setup;
|
||
|
|
struct vpu_ipc_msg_payload_hws_create_cmdq hws_create_cmdq;
|
||
|
|
struct vpu_ipc_msg_payload_hws_create_cmdq_rsp hws_create_cmdq_rsp;
|
||
|
|
struct vpu_ipc_msg_payload_hws_destroy_cmdq hws_destroy_cmdq;
|
||
|
|
struct vpu_ipc_msg_payload_hws_set_context_sched_properties
|
||
|
|
hws_set_context_sched_properties;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Host <-> LRT IPC message base structure.
|
||
|
|
*
|
||
|
|
* NOTE: All instances of this object must be aligned on a 64B boundary
|
||
|
|
* to allow proper handling of VPU cache operations.
|
||
|
|
*/
|
||
|
|
struct vpu_jsm_msg {
|
||
|
|
/* Reserved */
|
||
|
|
u64 reserved_0;
|
||
|
|
/* Message type, see vpu_ipc_msg_type enum. */
|
||
|
|
u32 type;
|
||
|
|
/* Buffer status, see vpu_ipc_msg_status enum. */
|
||
|
|
u32 status;
|
||
|
|
/*
|
||
|
|
* Request ID, provided by the host in a request message and passed
|
||
|
|
* back by VPU in the response message.
|
||
|
|
*/
|
||
|
|
u32 request_id;
|
||
|
|
/* Request return code set by the VPU, see VPU_JSM_STATUS_* defines. */
|
||
|
|
u32 result;
|
||
|
|
u64 reserved_1;
|
||
|
|
/* Message payload depending on message type, see vpu_ipc_msg_payload union. */
|
||
|
|
union vpu_ipc_msg_payload payload;
|
||
|
|
};
|
||
|
|
|
||
|
|
#pragma pack(pop)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
///@}
|