/* SPDX-License-Identifier: MIT */
/*
* Copyright ( c ) 2020 - 2024 , 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 29
/*
* API header changed ( field names , documentation , formatting ) but API itself has not been changed
*/
#define VPU_JSM_API_VER_PATCH 0
/*
* Index in the API version table
*/
#define VPU_JSM_API_VER_INDEX 4
/*
* Number of Priority Bands for Hardware Scheduling
* Bands : Idle ( 0 ) , Normal ( 1 ) , Focus ( 2 ) , RealTime ( 3 )
*/
#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_NB 1
/*
* VPU status values .
*/
#define VPU_JSM_STATUS_SUCCESS 0 x0U
#define VPU_JSM_STATUS_PARSING_ERR 0 x1U
#define VPU_JSM_STATUS_PROCESSING_ERR 0 x2U
#define VPU_JSM_STATUS_PREEMPTED 0 x3U
#define VPU_JSM_STATUS_ABORTED 0 x4U
#define VPU_JSM_STATUS_USER_CTX_VIOL_ERR 0 x5U
#define VPU_JSM_STATUS_GLOBAL_CTX_VIOL_ERR 0 x6U
#define VPU_JSM_STATUS_MVNCI_WRONG_INPUT_FORMAT 0 x7U
#define VPU_JSM_STATUS_MVNCI_UNSUPPORTED_NETWORK_ELEMENT 0 x8U
#define VPU_JSM_STATUS_MVNCI_INVALID_HANDLE 0 x9U
#define VPU_JSM_STATUS_MVNCI_OUT_OF_RESOURCES 0 xAU
#define VPU_JSM_STATUS_MVNCI_NOT_IMPLEMENTED 0 xBU
#define VPU_JSM_STATUS_MVNCI_INTERNAL_ERROR 0 xCU
/* Job status returned when the job was preempted mid-inference */
#define VPU_JSM_STATUS_PREEMPTED_MID_INFERENCE 0 xDU
#define VPU_JSM_STATUS_MVNCI_CONTEXT_VIOLATION_HW 0 xEU
/*
* 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 .
*/
enum {
/*
* Null submission mask .
* When set , batch buffer ' s commands are not processed but returned as
* successful immediately , except fences and timestamps .
* When cleared , batch buffer ' s commands are processed normally .
* Used for testing and profiling purposes .
*/
VPU_JOB_FLAGS_NULL_SUBMISSION_MASK = (1 << 0 U),
/*
* Inline command mask .
* When set , the object in job queue is an inline command ( see struct vpu_inline_cmd below ) .
* When cleared , the object in job queue is a job ( see struct vpu_job_queue_entry below ) .
*/
VPU_JOB_FLAGS_INLINE_CMD_MASK = (1 << 1 U),
/*
* VPU private data mask .
* Reserved for the VPU to store private data about the job ( or inline command )
* while being processed .
*/
VPU_JOB_FLAGS_PRIVATE_DATA_MASK = 0 xFFFF0000U
};
/*
* Job queue flags bit masks .
*/
enum {
/*
* No job done notification mask .
* When set , indicates that no job done notification should be sent for any
* job from this queue . When cleared , indicates that job done notification
* should be sent for every job completed from this queue .
*/
VPU_JOB_QUEUE_FLAGS_NO_JOB_DONE_MASK = (1 << 0 U),
/*
* Native fence usage mask .
* When set , indicates that job queue uses native fences ( as inline commands
* in job queue ) . Such queues may also use legacy fences ( as commands in batch buffers ) .
* When cleared , indicates the job queue only uses legacy fences .
* NOTES :
* 1 . For queues using native fences , VPU expects that all jobs in the queue
* are immediately followed by an inline command object . This object is expected
* to be a fence signal command in most cases , but can also be a NOP in case the host
* does not need per - job fence signalling . Other inline commands objects can be
* inserted between " job and inline command " pairs .
* 2 . Native fence queues are only supported on VPU 40 xx onwards .
*/
VPU_JOB_QUEUE_FLAGS_USE_NATIVE_FENCE_MASK = (1 << 1 U),
/*
* Enable turbo mode for testing NPU performance ; not recommended for regular usage .
*/
VPU_JOB_QUEUE_FLAGS_TURBO_MODE = (1 << 2 U)
};
/*
* 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 31 U
/*
* 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 0 ULL
/*
* Inline commands types .
*/
/*
* NOP .
* VPU does nothing other than consuming the inline command object .
*/
#define VPU_INLINE_CMD_TYPE_NOP 0 x0
/*
* Fence wait .
* VPU waits for the fence current value to reach monitored value .
* Fence wait operations are executed upon job dispatching . While waiting for
* the fence to be satisfied , VPU blocks fetching of the next objects in the queue .
* Jobs present in the queue prior to the fence wait object may be processed
* concurrently .
*/
#define VPU_INLINE_CMD_TYPE_FENCE_WAIT 0 x1
/*
* Fence signal .
* VPU sets the fence current value to the provided value . If new current value
* is equal to or higher than monitored value , VPU sends fence signalled notification
* to the host . Fence signal operations are executed upon completion of all the jobs
* present in the queue prior to them , and in - order relative to each other in the queue .
* But jobs in - between them may be processed concurrently and may complete out - of - order .
*/
#define VPU_INLINE_CMD_TYPE_FENCE_SIGNAL 0 x2
/*
* Job scheduling priority bands for both hardware scheduling and OS scheduling .
*/
enum vpu_job_scheduling_priority_band {
VPU_JOB_SCHEDULING_PRIORITY_BAND_IDLE = 0 ,
VPU_JOB_SCHEDULING_PRIORITY_BAND_NORMAL = 1 ,
VPU_JOB_SCHEDULING_PRIORITY_BAND_FOCUS = 2 ,
VPU_JOB_SCHEDULING_PRIORITY_BAND_REALTIME = 3 ,
VPU_JOB_SCHEDULING_PRIORITY_BAND_COUNT = 4 ,
};
/*
* Job format .
* Jobs defines the actual workloads to be executed by a given engine .
*/
struct vpu_job_queue_entry {
/**< Address of VPU commands batch buffer */
u64 batch_buf_addr;
/**< Job ID */
u32 job_id;
/**< Flags bit field, see VPU_JOB_FLAGS_* above */
u32 flags;
/**
* Doorbell ring timestamp taken by KMD from SoC ' s global system clock , in
* microseconds . NPU can convert this value to its own fixed clock ' s timebase ,
* to match other profiling timestamps .
*/
u64 doorbell_timestamp;
/**< Extra id for job tracking, used only in the firmware perf traces */
u64 host_tracking_id;
/**< Address of the primary preemption buffer to use for this job */
u64 primary_preempt_buf_addr;
/**< Size of the primary preemption buffer to use for this job */
u32 primary_preempt_buf_size;
/**< Size of secondary preemption buffer to use for this job */
u32 secondary_preempt_buf_size;
/**< Address of secondary preemption buffer to use for this job */
u64 secondary_preempt_buf_addr;
u64 reserved_0;
};
/*
* Inline command format .
* Inline commands are the commands executed at scheduler level ( typically ,
* synchronization directives ) . Inline command and job objects must be of
* the same size and have flags field at same offset .
*/
struct vpu_inline_cmd {
u64 reserved_0;
/* Inline command type, see VPU_INLINE_CMD_TYPE_* defines. */
u32 type;
/* Flags bit field, see VPU_JOB_FLAGS_* above. */
u32 flags;
/* Inline command payload. Depends on inline command type. */
union {
/* Fence (wait and signal) commands' payload. */
struct {
/* Fence object handle. */
u64 fence_handle;
/* User VA of the current fence value. */
u64 current_value_va;
/* User VA of the monitored fence value (read-only). */
u64 monitored_value_va;
/* Value to wait for or write in fence location. */
u64 value;
/* User VA of the log buffer in which to add log entry on completion. */
u64 log_buffer_va;
/* NPU private data. */
u64 npu_private_data;
} fence;
/* Other commands do not have a payload. */
/* Payload definition for future inline commands can be inserted here. */
u64 reserved_1[6 ];
} payload;
};
/*
* Job queue slots can be populated either with job objects or inline command objects .
*/
union vpu_jobq_slot {
struct vpu_job_queue_entry job;
struct vpu_inline_cmd inline_cmd;
};
/*
* Job queue control registers .
*/
struct vpu_job_queue_header {
u32 engine_idx;
u32 head;
u32 tail;
u32 flags;
/* Set to 1 to indicate priority_band field is valid */
u32 priority_band_valid;
/*
* Priority for the work of this job queue , valid only if the HWS is NOT used
* and the ` priority_band_valid ` is set to 1 . It is applied only during
* the VPU_JSM_MSG_REGISTER_DB message processing .
* The device firmware might use the ` priority_band ` to optimize the power
* management logic , but it will not affect the order of jobs .
* Available priority bands : @ see enum vpu_job_scheduling_priority_band
*/
u32 priority_band;
/* Inside realtime band assigns a further priority, limited to 0..31 range */
u32 realtime_priority_level;
u32 reserved_0[9 ];
};
/*
* Job queue format .
*/
struct vpu_job_queue {
struct vpu_job_queue_header header;
union vpu_jobq_slot slot[];
};
/**
* 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 writes 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 ];
};
/* Native fence log buffer types. */
enum vpu_hws_native_fence_log_type {
VPU_HWS_NATIVE_FENCE_LOG_TYPE_WAITS = 1 ,
VPU_HWS_NATIVE_FENCE_LOG_TYPE_SIGNALS = 2
};
/* HWS native fence log buffer header. */
struct vpu_hws_native_fence_log_header {
union {
struct {
/* Index of the first free entry in buffer. */
u32 first_free_entry_idx;
/* Incremented each time NPU wraps around the buffer to write next entry. */
u32 wraparound_count;
};
/* Field allowing atomic update of both fields above. */
u64 atomic_wraparound_and_entry_idx;
};
/* Log buffer type, see enum vpu_hws_native_fence_log_type. */
u64 type;
/* Allocated number of entries in the log buffer. */
u64 entry_nb;
u64 reserved[2 ];
};
/* Native fence log operation types. */
enum vpu_hws_native_fence_log_op {
VPU_HWS_NATIVE_FENCE_LOG_OP_SIGNAL_EXECUTED = 0 ,
VPU_HWS_NATIVE_FENCE_LOG_OP_WAIT_UNBLOCKED = 1
};
/* HWS native fence log entry. */
struct vpu_hws_native_fence_log_entry {
/* Newly signaled/unblocked fence value. */
u64 fence_value;
/* Native fence object handle to which this operation belongs. */
u64 fence_handle;
/* Operation type, see enum vpu_hws_native_fence_log_op. */
u64 op_type;
u64 reserved_0;
/*
* VPU_HWS_NATIVE_FENCE_LOG_OP_WAIT_UNBLOCKED only : Timestamp at which fence
* wait was started ( in NPU SysTime ) .
*/
u64 fence_wait_start_ts;
u64 reserved_1;
/* Timestamp at which fence operation was completed (in NPU SysTime). */
u64 fence_end_ts;
};
/* Native fence log buffer. */
struct vpu_hws_native_fence_log_buffer {
struct vpu_hws_native_fence_log_header header;
struct vpu_hws_native_fence_log_entry entry[];
};
/*
* Host < - > VPU IPC messages types .
*/
enum vpu_ipc_msg_type {
VPU_JSM_MSG_UNKNOWN = 0 xFFFFFFFF,
/* IPC Host -> Device, Async commands */
VPU_JSM_MSG_ASYNC_CMD = 0 x1100,
VPU_JSM_MSG_ENGINE_RESET = VPU_JSM_MSG_ASYNC_CMD,
/**
* Preempt engine . The NPU stops ( preempts ) all the jobs currently
* executing on the target engine making the engine become idle and ready to
* execute new jobs .
* NOTE : The NPU does not remove unstarted jobs ( if any ) from job queues of
* the target engine , but it stops processing them ( until the queue doorbell
* is rung again ) ; the host is responsible to reset the job queue , either
* after preemption or when resubmitting jobs to the queue .
*/
VPU_JSM_MSG_ENGINE_PREEMPT = 0 x1101,
VPU_JSM_MSG_REGISTER_DB = 0 x1102,
VPU_JSM_MSG_UNREGISTER_DB = 0 x1103,
VPU_JSM_MSG_QUERY_ENGINE_HB = 0 x1104,
VPU_JSM_MSG_GET_POWER_LEVEL_COUNT = 0 x1105,
VPU_JSM_MSG_GET_POWER_LEVEL = 0 x1106,
VPU_JSM_MSG_SET_POWER_LEVEL = 0 x1107,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_OPEN = 0 x1108,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_CLOSE = 0 x1109,
/** Configure logging (used to modify configuration passed in boot params). */
VPU_JSM_MSG_TRACE_SET_CONFIG = 0 x110a,
/** Return current logging configuration. */
VPU_JSM_MSG_TRACE_GET_CONFIG = 0 x110b,
/**
* 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 = 0 x110c,
/** Get the name of a destination or HW component. */
VPU_JSM_MSG_TRACE_GET_NAME = 0 x110d,
/**
* 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 = 0 x110e,
/**
* Start collecting metric data .
* @ see vpu_jsm_metric_streamer_start
*/
VPU_JSM_MSG_METRIC_STREAMER_START = 0 x110f,
/**
* 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 = 0 x1110,
/**
* 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 = 0 x1111,
/**
* 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 = 0 x1112,
/** Control command: Priority band setup */
VPU_JSM_MSG_SET_PRIORITY_BAND_SETUP = 0 x1113,
/** Control command: Create command queue */
VPU_JSM_MSG_CREATE_CMD_QUEUE = 0 x1114,
/** Control command: Destroy command queue */
VPU_JSM_MSG_DESTROY_CMD_QUEUE = 0 x1115,
/** Control command: Set context scheduling properties */
VPU_JSM_MSG_SET_CONTEXT_SCHED_PROPERTIES = 0 x1116,
/*
* 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 = 0 x1117,
/** Control command: Log buffer setting */
VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG = 0 x1118,
/* Control command: Suspend command queue. */
VPU_JSM_MSG_HWS_SUSPEND_CMDQ = 0 x1119,
/* Control command: Resume command queue */
VPU_JSM_MSG_HWS_RESUME_CMDQ = 0 x111a,
/* Control command: Resume engine after reset */
VPU_JSM_MSG_HWS_ENGINE_RESUME = 0 x111b,
/* Control command: Enable survivability/DCT mode */
VPU_JSM_MSG_DCT_ENABLE = 0 x111c,
/* Control command: Disable survivability/DCT mode */
VPU_JSM_MSG_DCT_DISABLE = 0 x111d,
/**
* Dump VPU state . To be used for debug purposes only .
* NOTE : Please introduce new ASYNC commands before this one . *
*/
VPU_JSM_MSG_STATE_DUMP = 0 x11FF,
/* IPC Host -> Device, General commands */
VPU_JSM_MSG_GENERAL_CMD = 0 x1200,
VPU_JSM_MSG_BLOB_DEINIT_DEPRECATED = 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 = 0 x1201,
/**
* Perform the save procedure for the D0i3 entry
*/
VPU_JSM_MSG_PWR_D0I3_ENTER = 0 x1202,
/* IPC Device -> Host, Job completion */
VPU_JSM_MSG_JOB_DONE = 0 x2100,
/* IPC Device -> Host, Fence signalled */
VPU_JSM_MSG_NATIVE_FENCE_SIGNALLED = 0 x2101,
/* IPC Device -> Host, Async command completion */
VPU_JSM_MSG_ASYNC_CMD_DONE = 0 x2200,
VPU_JSM_MSG_ENGINE_RESET_DONE = VPU_JSM_MSG_ASYNC_CMD_DONE,
VPU_JSM_MSG_ENGINE_PREEMPT_DONE = 0 x2201,
VPU_JSM_MSG_REGISTER_DB_DONE = 0 x2202,
VPU_JSM_MSG_UNREGISTER_DB_DONE = 0 x2203,
VPU_JSM_MSG_QUERY_ENGINE_HB_DONE = 0 x2204,
VPU_JSM_MSG_GET_POWER_LEVEL_COUNT_DONE = 0 x2205,
VPU_JSM_MSG_GET_POWER_LEVEL_DONE = 0 x2206,
VPU_JSM_MSG_SET_POWER_LEVEL_DONE = 0 x2207,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_OPEN_DONE = 0 x2208,
/* @deprecated */
VPU_JSM_MSG_METRIC_STREAMER_CLOSE_DONE = 0 x2209,
/** Response to VPU_JSM_MSG_TRACE_SET_CONFIG. */
VPU_JSM_MSG_TRACE_SET_CONFIG_RSP = 0 x220a,
/** Response to VPU_JSM_MSG_TRACE_GET_CONFIG. */
VPU_JSM_MSG_TRACE_GET_CONFIG_RSP = 0 x220b,
/** Response to VPU_JSM_MSG_TRACE_GET_CAPABILITY. */
VPU_JSM_MSG_TRACE_GET_CAPABILITY_RSP = 0 x220c,
/** Response to VPU_JSM_MSG_TRACE_GET_NAME. */
VPU_JSM_MSG_TRACE_GET_NAME_RSP = 0 x220d,
/** Response to VPU_JSM_MSG_SSID_RELEASE. */
VPU_JSM_MSG_SSID_RELEASE_DONE = 0 x220e,
/**
* 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 = 0 x220f,
/**
* 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 = 0 x2210,
/**
* 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 = 0 x2211,
/**
* 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 = 0 x2212,
/**
* 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 = 0 x2213,
/** Response to control command: Priority band setup */
VPU_JSM_MSG_SET_PRIORITY_BAND_SETUP_RSP = 0 x2214,
/** Response to control command: Create command queue */
VPU_JSM_MSG_CREATE_CMD_QUEUE_RSP = 0 x2215,
/** Response to control command: Destroy command queue */
VPU_JSM_MSG_DESTROY_CMD_QUEUE_RSP = 0 x2216,
/** Response to control command: Set context scheduling properties */
VPU_JSM_MSG_SET_CONTEXT_SCHED_PROPERTIES_RSP = 0 x2217,
/** Response to control command: Log buffer setting */
VPU_JSM_MSG_HWS_SET_SCHEDULING_LOG_RSP = 0 x2218,
/* IPC Device -> Host, HWS notify index entry of log buffer written */
VPU_JSM_MSG_HWS_SCHEDULING_LOG_NOTIFICATION = 0 x2219,
/* IPC Device -> Host, HWS completion of a context suspend request */
VPU_JSM_MSG_HWS_SUSPEND_CMDQ_DONE = 0 x221a,
/* Response to control command: Resume command queue */
VPU_JSM_MSG_HWS_RESUME_CMDQ_RSP = 0 x221b,
/* Response to control command: Resume engine command response */
VPU_JSM_MSG_HWS_RESUME_ENGINE_DONE = 0 x221c,
/* Response to control command: Enable survivability/DCT mode */
VPU_JSM_MSG_DCT_ENABLE_DONE = 0 x221d,
/* Response to control command: Disable survivability/DCT mode */
VPU_JSM_MSG_DCT_DISABLE_DONE = 0 x221e,
/**
* Response to state dump control command .
* NOTE : Please introduce new ASYNC responses before this one . *
*/
VPU_JSM_MSG_STATE_DUMP_RSP = 0 x22FF,
/* IPC Device -> Host, General command completion */
VPU_JSM_MSG_GENERAL_CMD_DONE = 0 x2300,
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 = 0 x2301,
/**
* Acknowledgment of completion of the save procedure initiated by
* VPU_JSM_MSG_PWR_D0I3_ENTER
*/
VPU_JSM_MSG_PWR_D0I3_ENTER_DONE = 0 x2302,
};
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 .
* This member dictates how the update operation should perform :
* 1 . client needs information about the number of collected samples and the
* amount of data written to the current buffer
* 2 . client wants to switch to a new buffer
*
* Case 1 . is identified by the buffer address being 0 or the same as the
* currently used buffer address . In this case the buffer size is ignored and
* the size of the current buffer is unchanged . The VPU will return an update
* in the vpu_jsm_metric_streamer_done structure . The internal writing position
* into the buffer is not changed .
*
* Case 2 . is identified by the address being non - zero and differs from the
* current buffer address . The VPU will immediately switch data collection to
* the new buffer . Then the VPU will return an update in the
* vpu_jsm_metric_streamer_done structure .
*/
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_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;
};
/*
* Notification message upon native fence signalling .
* @ see VPU_JSM_MSG_NATIVE_FENCE_SIGNALLED
*/
struct vpu_ipc_msg_payload_native_fence_signalled {
/* Engine ID. */
u32 engine_idx;
/* Host SSID. */
u32 host_ssid;
/* CMDQ ID */
u64 cmdq_id;
/* Fence object handle. */
u64 fence_handle;
};
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 ];
};
/* HWS priority band setup request / response */
struct vpu_ipc_msg_payload_hws_priority_band_setup {
/*
* Grace period in 100 ns units when preempting another priority band for
* this priority band
*/
u32 grace_period[VPU_HWS_NUM_PRIORITY_BANDS];
/*
* Default quantum in 100 ns units for scheduling across processes
* within a priority band
* Minimum value supported by NPU is 1 ms ( 10000 in 100 ns units ) .
*/
u32 process_quantum[VPU_HWS_NUM_PRIORITY_BANDS];
/*
* Default grace period in 100 ns 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;
/*
* TDR timeout value in milliseconds . Default value of 0 meaning no timeout .
*/
u32 tdr_timeout;
};
/*
* @ 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 .
* Available priority bands : @ see enum vpu_job_scheduling_priority_band
*/
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
* Minimum value supported by NPU is 1 ms ( 10000 in 100 ns units ) .
*/
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;
/*
* Field is now deprecated , will be removed when KMD is updated to support removal
*/
u32 enable_extra_events;
/* Zero Padding */
u32 reserved_0;
};
/*
* @ 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 . 3 ms and 30 ms 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_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_native_fence_signalled native_fence_signalled;
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_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 64 B 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
///@}
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