mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity
linux-stable/drivers/accel/ivpu/vpu_jsm_api.h

1300 lines
43 KiB
C
Raw Blame History

/* SPDX-License-Identifier: MIT */
/*
* Copyright (c) 2020-2023, Intel Corporation.
*/
/**
* @file
* @brief JSM shared definitions
*
* @ingroup Jsm
* @brief JSM shared definitions
* @{
*/
#ifndef VPU_JSM_API_H
#define VPU_JSM_API_H
/*
* Major version changes that break backward compatibility
*/
#define VPU_JSM_API_VER_MAJOR 3
/*
* Minor version changes when API backward compatibility is preserved.
*/
#define VPU_JSM_API_VER_MINOR 15
/*
* API header changed (field names, documentation, formatting) but API itself has not been changed
*/
#define VPU_JSM_API_VER_PATCH 6
/*
* Index in the API version table
*/
#define VPU_JSM_API_VER_INDEX 4
/*
* Number of Priority Bands for Hardware Scheduling
* Bands: RealTime, Focus, Normal, Idle
*/
#define VPU_HWS_NUM_PRIORITY_BANDS 4
/* Max number of impacted contexts that can be dealt with the engine reset command */
#define VPU_MAX_ENGINE_RESET_IMPACTED_CONTEXTS 3
/*
* Pack the API structures to enforce binary compatibility
* Align to 8 bytes for optimal performance
*/
#pragma pack(push, 8)
/*
* Engine indexes.
*/
#define VPU_ENGINE_COMPUTE 0
#define VPU_ENGINE_COPY 1
#define VPU_ENGINE_NB 2
/*
* VPU status values.
*/
#define VPU_JSM_STATUS_SUCCESS 0x0U
#define VPU_JSM_STATUS_PARSING_ERR 0x1U
#define VPU_JSM_STATUS_PROCESSING_ERR 0x2U
#define VPU_JSM_STATUS_PREEMPTED 0x3U
#define VPU_JSM_STATUS_ABORTED 0x4U
#define VPU_JSM_STATUS_USER_CTX_VIOL_ERR 0x5U
#define VPU_JSM_STATUS_GLOBAL_CTX_VIOL_ERR 0x6U
#define VPU_JSM_STATUS_MVNCI_WRONG_INPUT_FORMAT 0x7U
#define VPU_JSM_STATUS_MVNCI_UNSUPPORTED_NETWORK_ELEMENT 0x8U
#define VPU_JSM_STATUS_MVNCI_INVALID_HANDLE 0x9U
#define VPU_JSM_STATUS_MVNCI_OUT_OF_RESOURCES 0xAU
#define VPU_JSM_STATUS_MVNCI_NOT_IMPLEMENTED 0xBU
#define VPU_JSM_STATUS_MVNCI_INTERNAL_ERROR 0xCU
/* Job status returned when the job was preempted mid-inference */
#define VPU_JSM_STATUS_PREEMPTED_MID_INFERENCE 0xDU
/*
* Host <-> VPU IPC channels.
* ASYNC commands use a high priority channel, other messages use low-priority ones.
*/
#define VPU_IPC_CHAN_ASYNC_CMD 0
#define VPU_IPC_CHAN_GEN_CMD 10
#define VPU_IPC_CHAN_JOB_RET 11
/*
* Job flags bit masks.
*/
#define VPU_JOB_FLAGS_NULL_SUBMISSION_MASK 0x00000001
#define VPU_JOB_FLAGS_PRIVATE_DATA_MASK 0xFF000000
/*
* Sizes of the reserved areas in jobs, in bytes.
*/
#define VPU_JOB_RESERVED_BYTES 8
/*
* Sizes of the reserved areas in job queues, in bytes.
*/
#define VPU_JOB_QUEUE_RESERVED_BYTES 52
/*
* Max length (including trailing NULL char) of trace entity name (e.g., the
* name of a logging destination or a loggable HW component).
*/
#define VPU_TRACE_ENTITY_NAME_MAX_LEN 32
/*
* Max length (including trailing NULL char) of a dyndbg command.
*
* NOTE: 96 is used so that the size of 'struct vpu_ipc_msg' in the JSM API is
* 128 bytes (multiple of 64 bytes, the cache line size).
*/
#define VPU_DYNDBG_CMD_MAX_LEN 96
/*
* For HWS command queue scheduling, we can prioritise command queues inside the
* same process with a relative in-process priority. Valid values for relative
* priority are given below - max and min.
*/
#define VPU_HWS_COMMAND_QUEUE_MAX_IN_PROCESS_PRIORITY 7
#define VPU_HWS_COMMAND_QUEUE_MIN_IN_PROCESS_PRIORITY -7
/*
* For HWS priority scheduling, we can have multiple realtime priority bands.
* They are numbered 0 to a MAX.
*/
#define VPU_HWS_MAX_REALTIME_PRIORITY_LEVEL 31U
/*
* vpu_jsm_engine_reset_context flag definitions
*/
#define VPU_ENGINE_RESET_CONTEXT_FLAG_COLLATERAL_DAMAGE_MASK BIT(0)
#define VPU_ENGINE_RESET_CONTEXT_HANG_PRIMARY_CAUSE 0
#define VPU_ENGINE_RESET_CONTEXT_COLLATERAL_DAMAGE 1
/*
* Invalid command queue handle identifier. Applies to cmdq_id and cmdq_group
* in this API.
*/
#define VPU_HWS_INVALID_CMDQ_HANDLE 0ULL
/*
* Job format.
*/
struct vpu_job_queue_entry {
u64 batch_buf_addr; /**< Address of VPU commands batch buffer */
u32 job_id; /**< Job ID */
u32 flags; /**< Flags bit field, see VPU_JOB_FLAGS_* above */
u64 root_page_table_addr; /**< Address of root page table to use for this job */
u64 root_page_table_update_counter; /**< Page tables update events counter */
u64 primary_preempt_buf_addr;
/**< Address of the primary preemption buffer to use for this job */
u32 primary_preempt_buf_size;
/**< Size of the primary preemption buffer to use for this job */
u32 secondary_preempt_buf_size;
/**< Size of secondary preemption buffer to use for this job */
u64 secondary_preempt_buf_addr;
/**< Address of secondary preemption buffer to use for this job */
u8 reserved_0[VPU_JOB_RESERVED_BYTES];
};
/*
* Job queue control registers.
*/
struct vpu_job_queue_header {
u32 engine_idx;
u32 head;
u32 tail;
u8 reserved_0[VPU_JOB_QUEUE_RESERVED_BYTES];
};
/*
* Job queue format.
*/
struct vpu_job_queue {
struct vpu_job_queue_header header;
struct vpu_job_queue_entry job[];
};
/**
* Logging entity types.
*
* This enum defines the different types of entities involved in logging.
*/
enum vpu_trace_entity_type {
/** Logging destination (entity where logs can be stored / printed). */
VPU_TRACE_ENTITY_TYPE_DESTINATION = 1,
/** Loggable HW component (HW entity that can be logged). */
VPU_TRACE_ENTITY_TYPE_HW_COMPONENT = 2,
};
/*
* HWS specific log buffer header details.
* Total size is 32 bytes.
*/
struct vpu_hws_log_buffer_header {
/* Written by VPU after adding a log entry. Initialised by host to 0. */
u32 first_free_entry_index;
/* Incremented by VPU every time the VPU overwrites the 0th entry;
* initialised by host to 0.
*/
u32 wraparound_count;
/*
* This is the number of buffers that can be stored in the log buffer provided by the host.
* It is written by host before passing buffer to VPU. VPU should consider it read-only.
*/
u64 num_of_entries;
u64 reserved[2];
};
/*
* HWS specific log buffer entry details.
* Total size is 32 bytes.
*/
struct vpu_hws_log_buffer_entry {
/* VPU timestamp must be an invariant timer tick (not impacted by DVFS) */
u64 vpu_timestamp;
/*
* Operation type:
* 0 - context state change
* 1 - queue new work
* 2 - queue unwait sync object
* 3 - queue no more work
* 4 - queue wait sync object
*/
u32 operation_type;
u32 reserved;
/* Operation data depends on operation type */
u64 operation_data[2];
};
/*
* Host <-> VPU IPC messages types.
*/
enum vpu_ipc_msg_type {
VPU_JSM_MSG_UNKNOWN = 0xFFFFFFFF,
/* IPC Host -> Device, Async commands */
VPU_JSM_MSG_ASYNC_CMD = 0x1100,
VPU_JSM_MSG_ENGINE_RESET = VPU_JSM_MSG_ASYNC_CMD,
VPU_JSM_MSG_ENGINE_PREEMPT = 0x1101,
VPU_JSM_MSG_REGISTER_DB = 0x1102,
VPU_JSM_MSG_UNREGISTER_DB = 0x1103,
VPU_JSM_MSG_QUERY_ENGINE_HB = 0x1104,
VPU_JSM_MSG_GET_POWER_LEVEL_COUNT = 0x1105,
VPU_JSM_MSG_GET_POWER_LEVEL = 0x1106,
VPU_JSM_MSG_SET_POWER_LEVEL = 0x1107,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_OPEN = 0x1108,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_CLOSE = 0x1109,
/** Configure logging (used to modify configuration passed in boot params). */
VPU_JSM_MSG_TRACE_SET_CONFIG = 0x110a,
/** Return current logging configuration. */
VPU_JSM_MSG_TRACE_GET_CONFIG = 0x110b,
/**
* Get masks of destinations and HW components supported by the firmware
* (may vary between HW generations and FW compile
* time configurations)
*/
VPU_JSM_MSG_TRACE_GET_CAPABILITY = 0x110c,
/** Get the name of a destination or HW component. */
VPU_JSM_MSG_TRACE_GET_NAME = 0x110d,
/**
* Release resource associated with host ssid . All jobs that belong to the host_ssid
* aborted and removed from internal scheduling queues. All doorbells assigned
* to the host_ssid are unregistered and any internal FW resources belonging to
* the host_ssid are released.
*/
VPU_JSM_MSG_SSID_RELEASE = 0x110e,
/**
* Start collecting metric data.
* @see vpu_jsm_metric_streamer_start
*/
VPU_JSM_MSG_METRIC_STREAMER_START = 0x110f,
/**
* Stop collecting metric data. This command will return success if it is called
* for a metric stream that has already been stopped or was never started.
* @see vpu_jsm_metric_streamer_stop
*/
VPU_JSM_MSG_METRIC_STREAMER_STOP = 0x1110,
/**
* Update current and next buffer for metric data collection. This command can
* also be used to request information about the number of collected samples
* and the amount of data written to the buffer.
* @see vpu_jsm_metric_streamer_update
*/
VPU_JSM_MSG_METRIC_STREAMER_UPDATE = 0x1111,
/**
* Request description of selected metric groups and metric counters within
* each group. The VPU will write the description of groups and counters to
* the buffer specified in the command structure.
* @see vpu_jsm_metric_streamer_start
*/
VPU_JSM_MSG_METRIC_STREAMER_INFO = 0x1112,
/** Control command: Priority band setup */
VPU_JSM_MSG_SET_PRIORITY_BAND_SETUP = 0x1113,
/** Control command: Create command queue */
VPU_JSM_MSG_CREATE_CMD_QUEUE = 0x1114,
/** Control command: Destroy command queue */
VPU_JSM_MSG_DESTROY_CMD_QUEUE = 0x1115,
/** Control command: Set context scheduling properties */
VPU_JSM_MSG_SET_CONTEXT_SCHED_PROPERTIES = 0x1116,
/*
* Register a doorbell to notify VPU of new work. The doorbell may later be
* deallocated or reassigned to another context.
*/
VPU_JSM_MSG_HWS_REGISTER_DB = 0x1117,
/** Control command: Log buffer setting */
VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG = 0x1118,
/* Control command: Suspend command queue. */
VPU_JSM_MSG_HWS_SUSPEND_CMDQ = 0x1119,
/* Control command: Resume command queue */
VPU_JSM_MSG_HWS_RESUME_CMDQ = 0x111a,
/* Control command: Resume engine after reset */
VPU_JSM_MSG_HWS_ENGINE_RESUME = 0x111b,
/* Control command: Enable survivability/DCT mode */
VPU_JSM_MSG_DCT_ENABLE = 0x111c,
/* Control command: Disable survivability/DCT mode */
VPU_JSM_MSG_DCT_DISABLE = 0x111d,
/**
* Dump VPU state. To be used for debug purposes only.
* NOTE: Please introduce new ASYNC commands before this one. *
*/
VPU_JSM_MSG_STATE_DUMP = 0x11FF,
/* IPC Host -> Device, General commands */
VPU_JSM_MSG_GENERAL_CMD = 0x1200,
VPU_JSM_MSG_BLOB_DEINIT = VPU_JSM_MSG_GENERAL_CMD,
/**
* Control dyndbg behavior by executing a dyndbg command; equivalent to
* Linux command: `echo '<dyndbg_cmd>' > <debugfs>/dynamic_debug/control`.
*/
VPU_JSM_MSG_DYNDBG_CONTROL = 0x1201,
/**
* Perform the save procedure for the D0i3 entry
*/
VPU_JSM_MSG_PWR_D0I3_ENTER = 0x1202,
/* IPC Device -> Host, Job completion */
VPU_JSM_MSG_JOB_DONE = 0x2100,
/* IPC Device -> Host, Async command completion */
VPU_JSM_MSG_ASYNC_CMD_DONE = 0x2200,
VPU_JSM_MSG_ENGINE_RESET_DONE = VPU_JSM_MSG_ASYNC_CMD_DONE,
VPU_JSM_MSG_ENGINE_PREEMPT_DONE = 0x2201,
VPU_JSM_MSG_REGISTER_DB_DONE = 0x2202,
VPU_JSM_MSG_UNREGISTER_DB_DONE = 0x2203,
VPU_JSM_MSG_QUERY_ENGINE_HB_DONE = 0x2204,
VPU_JSM_MSG_GET_POWER_LEVEL_COUNT_DONE = 0x2205,
VPU_JSM_MSG_GET_POWER_LEVEL_DONE = 0x2206,
VPU_JSM_MSG_SET_POWER_LEVEL_DONE = 0x2207,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_OPEN_DONE = 0x2208,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_CLOSE_DONE = 0x2209,
/** Response to VPU_JSM_MSG_TRACE_SET_CONFIG. */
VPU_JSM_MSG_TRACE_SET_CONFIG_RSP = 0x220a,
/** Response to VPU_JSM_MSG_TRACE_GET_CONFIG. */
VPU_JSM_MSG_TRACE_GET_CONFIG_RSP = 0x220b,
/** Response to VPU_JSM_MSG_TRACE_GET_CAPABILITY. */
VPU_JSM_MSG_TRACE_GET_CAPABILITY_RSP = 0x220c,
/** Response to VPU_JSM_MSG_TRACE_GET_NAME. */
VPU_JSM_MSG_TRACE_GET_NAME_RSP = 0x220d,
/** Response to VPU_JSM_MSG_SSID_RELEASE. */
VPU_JSM_MSG_SSID_RELEASE_DONE = 0x220e,
/**
* Response to VPU_JSM_MSG_METRIC_STREAMER_START.
* VPU will return an error result if metric collection cannot be started,
* e.g. when the specified metric mask is invalid.
* @see vpu_jsm_metric_streamer_done
*/
VPU_JSM_MSG_METRIC_STREAMER_START_DONE = 0x220f,
/**
* Response to VPU_JSM_MSG_METRIC_STREAMER_STOP.
* Returns information about collected metric data.
* @see vpu_jsm_metric_streamer_done
*/
VPU_JSM_MSG_METRIC_STREAMER_STOP_DONE = 0x2210,
/**
* Response to VPU_JSM_MSG_METRIC_STREAMER_UPDATE.
* Returns information about collected metric data.
* @see vpu_jsm_metric_streamer_done
*/
VPU_JSM_MSG_METRIC_STREAMER_UPDATE_DONE = 0x2211,
/**
* Response to VPU_JSM_MSG_METRIC_STREAMER_INFO.
* Returns a description of the metric groups and metric counters.
* @see vpu_jsm_metric_streamer_done
*/
VPU_JSM_MSG_METRIC_STREAMER_INFO_DONE = 0x2212,
/**
* Asynchronous event sent from the VPU to the host either when the current
* metric buffer is full or when the VPU has collected a multiple of
* @notify_sample_count samples as indicated through the start command
* (VPU_JSM_MSG_METRIC_STREAMER_START). Returns information about collected
* metric data.
* @see vpu_jsm_metric_streamer_done
*/
VPU_JSM_MSG_METRIC_STREAMER_NOTIFICATION = 0x2213,
/** Response to control command: Priority band setup */
VPU_JSM_MSG_SET_PRIORITY_BAND_SETUP_RSP = 0x2214,
/** Response to control command: Create command queue */
VPU_JSM_MSG_CREATE_CMD_QUEUE_RSP = 0x2215,
/** Response to control command: Destroy command queue */
VPU_JSM_MSG_DESTROY_CMD_QUEUE_RSP = 0x2216,
/** Response to control command: Set context scheduling properties */
VPU_JSM_MSG_SET_CONTEXT_SCHED_PROPERTIES_RSP = 0x2217,
/** Response to control command: Log buffer setting */
VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG_RSP = 0x2218,
/* IPC Device -> Host, HWS notify index entry of log buffer written */
VPU_JSM_MSG_HWS_SCHEDULING_LOG_NOTIFICATION = 0x2219,
/* IPC Device -> Host, HWS completion of a context suspend request */
VPU_JSM_MSG_HWS_SUSPEND_CMDQ_DONE = 0x221a,
/* Response to control command: Resume command queue */
VPU_JSM_MSG_HWS_RESUME_CMDQ_RSP = 0x221b,
/* Response to control command: Resume engine command response */
VPU_JSM_MSG_HWS_RESUME_ENGINE_DONE = 0x221c,
/* Response to control command: Enable survivability/DCT mode */
VPU_JSM_MSG_DCT_ENABLE_DONE = 0x221d,
/* Response to control command: Disable survivability/DCT mode */
VPU_JSM_MSG_DCT_DISABLE_DONE = 0x221e,
/**
* Response to state dump control command.
* NOTE: Please introduce new ASYNC responses before this one. *
*/
VPU_JSM_MSG_STATE_DUMP_RSP = 0x22FF,
/* IPC Device -> Host, General command completion */
VPU_JSM_MSG_GENERAL_CMD_DONE = 0x2300,
VPU_JSM_MSG_BLOB_DEINIT_DONE = VPU_JSM_MSG_GENERAL_CMD_DONE,
/** Response to VPU_JSM_MSG_DYNDBG_CONTROL. */
VPU_JSM_MSG_DYNDBG_CONTROL_RSP = 0x2301,
/**
* Acknowledgment of completion of the save procedure initiated by
* VPU_JSM_MSG_PWR_D0I3_ENTER
*/
VPU_JSM_MSG_PWR_D0I3_ENTER_DONE = 0x2302,
};
enum vpu_ipc_msg_status { VPU_JSM_MSG_FREE, VPU_JSM_MSG_ALLOCATED };
/*
* Host <-> LRT IPC message payload definitions
*/
struct vpu_ipc_msg_payload_engine_reset {
/* Engine to be reset. */
u32 engine_idx;
/* Reserved */
u32 reserved_0;
};
struct vpu_ipc_msg_payload_engine_preempt {
/* 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;
/* See VPU_ENGINE_RESET_CONTEXT_* defines */
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
*/
u32 process_quantum[VPU_HWS_NUM_PRIORITY_BANDS];
/*
* Default grace period in 100ns units for processes that preempt each
* other within a priority band
*/
u32 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;
};
/*
* @brief HWS create command queue request.
* Host will create a command queue via this command.
* Note: Cmdq group is a handle of an object which
* may contain one or more command queues.
* @see VPU_JSM_MSG_CREATE_CMD_QUEUE
* @see VPU_JSM_MSG_CREATE_CMD_QUEUE_RSP
*/
struct vpu_ipc_msg_payload_hws_create_cmdq {
/* Process id */
u64 process_id;
/* Host SSID */
u32 host_ssid;
/* Engine for which queue is being created */
u32 engine_idx;
/* Cmdq group: only used for HWS logging of state changes */
u64 cmdq_group;
/* Command queue id */
u64 cmdq_id;
/* Command queue base */
u64 cmdq_base;
/* Command queue size */
u32 cmdq_size;
/* Zero padding */
u32 reserved_0;
};
/*
* @brief HWS create command queue response.
* @see VPU_JSM_MSG_CREATE_CMD_QUEUE
* @see VPU_JSM_MSG_CREATE_CMD_QUEUE_RSP
*/
struct vpu_ipc_msg_payload_hws_create_cmdq_rsp {
/* Process id */
u64 process_id;
/* Host SSID */
u32 host_ssid;
/* Engine for which queue is being created */
u32 engine_idx;
/* Command queue group */
u64 cmdq_group;
/* 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 */
s32 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;
};
/*
* @brief Structure to set another buffer to be used for scheduling-related logging.
* The size of the logging buffer and the number of entries is defined as part of the
* buffer itself as described next.
* The log buffer received from the host is made up of;
* - header: 32 bytes in size, as shown in 'struct vpu_hws_log_buffer_header'.
* The header contains the number of log entries in the buffer.
* - log entry: 0 to n-1, each log entry is 32 bytes in size, as shown in
* 'struct vpu_hws_log_buffer_entry'.
* The entry contains the VPU timestamp, operation type and data.
* The host should provide the notify index value of log buffer to VPU. This is a
* value defined within the log buffer and when written to will generate the
* scheduling log notification.
* The host should set engine_idx and vpu_log_buffer_va to 0 to disable logging
* for a particular engine.
* VPU will handle one log buffer for each of supported engines.
* VPU should allow the logging to consume one host_ssid.
* @see VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG
* @see VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG_RSP
* @see VPU_JSM_MSG_HWS_SCHEDULING_LOG_NOTIFICATION
*/
struct vpu_ipc_msg_payload_hws_set_scheduling_log {
/* Engine ordinal */
u32 engine_idx;
/* Host SSID */
u32 host_ssid;
/*
* VPU log buffer virtual address.
* Set to 0 to disable logging for this engine.
*/
u64 vpu_log_buffer_va;
/*
* Notify index of log buffer. VPU_JSM_MSG_HWS_SCHEDULING_LOG_NOTIFICATION
* is generated when an event log is written to this index.
*/
u64 notify_index;
};
/*
* @brief The scheduling log notification is generated by VPU when it writes
* an event into the log buffer at the notify_index. VPU notifies host with
* VPU_JSM_MSG_HWS_SCHEDULING_LOG_NOTIFICATION. This is an asynchronous
* message from VPU to host.
* @see VPU_JSM_MSG_HWS_SCHEDULING_LOG_NOTIFICATION
* @see VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG
*/
struct vpu_ipc_msg_payload_hws_scheduling_log_notification {
/* Engine ordinal */
u32 engine_idx;
/* Zero Padding */
u32 reserved_0;
};
/*
* @brief HWS suspend command queue request and done structure.
* Host will request the suspend of contexts and VPU will;
* - Suspend all work on this context
* - Preempt any running work
* - Asynchronously perform the above and return success immediately once
* all items above are started successfully
* - Notify the host of completion of these operations via
* VPU_JSM_MSG_HWS_SUSPEND_CMDQ_DONE
* - Reject any other context operations on a context with an in-flight
* suspend request running
* Same structure used when VPU notifies host of completion of a context suspend
* request. The ids and suspend fence value reported in this command will match
* the one in the request from the host to suspend the context. Once suspend is
* complete, VPU will not access any data relating to this command queue until
* it is resumed.
* @see VPU_JSM_MSG_HWS_SUSPEND_CMDQ
* @see VPU_JSM_MSG_HWS_SUSPEND_CMDQ_DONE
*/
struct vpu_ipc_msg_payload_hws_suspend_cmdq {
/* Host SSID */
u32 host_ssid;
/* Zero Padding */
u32 reserved_0;
/* Command queue id */
u64 cmdq_id;
/*
* Suspend fence value - reported by the VPU suspend context
* completed once suspend is complete.
*/
u64 suspend_fence_value;
};
/*
* @brief HWS Resume command queue request / response structure.
* Host will request the resume of a context;
* - VPU will resume all work on this context
* - Scheduler will allow this context to be scheduled
* @see VPU_JSM_MSG_HWS_RESUME_CMDQ
* @see VPU_JSM_MSG_HWS_RESUME_CMDQ_RSP
*/
struct vpu_ipc_msg_payload_hws_resume_cmdq {
/* Host SSID */
u32 host_ssid;
/* Zero Padding */
u32 reserved_0;
/* Command queue id */
u64 cmdq_id;
};
/*
* @brief HWS Resume engine request / response structure.
* After a HWS engine reset, all scheduling is stopped on VPU until a engine resume.
* Host shall send this command to resume scheduling of any valid queue.
* @see VPU_JSM_MSG_HWS_RESUME_ENGINE
* @see VPU_JSM_MSG_HWS_RESUME_ENGINE_DONE
*/
struct vpu_ipc_msg_payload_hws_resume_engine {
/* Engine to be resumed */
u32 engine_idx;
/* Reserved */
u32 reserved_0;
};
/**
* 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];
};
/**
* Payload for VPU_JSM_MSG_PWR_D0I3_ENTER
*
* This is a bi-directional payload.
*/
struct vpu_ipc_msg_payload_pwr_d0i3_enter {
/**
* 0: VPU_JSM_MSG_PWR_D0I3_ENTER_DONE is not sent to the host driver
* The driver will poll for D0i2 Idle state transitions.
* 1: VPU_JSM_MSG_PWR_D0I3_ENTER_DONE is sent after VPU state save is complete
*/
u32 send_response;
u32 reserved_0;
};
/**
* Payload for VPU_JSM_MSG_DCT_ENABLE message.
*
* Default values for DCT active/inactive times are 5.3ms and 30ms respectively,
* corresponding to a 85% duty cycle. This payload allows the host to tune these
* values according to application requirements.
*/
struct vpu_ipc_msg_payload_pwr_dct_control {
/** Duty cycle active time in microseconds */
u32 dct_active_us;
/** Duty cycle inactive time in microseconds */
u32 dct_inactive_us;
};
/*
* 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;
struct vpu_ipc_msg_payload_hws_set_scheduling_log hws_set_scheduling_log;
struct vpu_ipc_msg_payload_hws_scheduling_log_notification hws_scheduling_log_notification;
struct vpu_ipc_msg_payload_hws_suspend_cmdq hws_suspend_cmdq;
struct vpu_ipc_msg_payload_hws_resume_cmdq hws_resume_cmdq;
struct vpu_ipc_msg_payload_hws_resume_engine hws_resume_engine;
struct vpu_ipc_msg_payload_pwr_d0i3_enter pwr_d0i3_enter;
struct vpu_ipc_msg_payload_pwr_dct_control pwr_dct_control;
};
/*
* 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
///@}
Reference in New Issue View Git Blame Copy Permalink