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graphengine/inc/external/acl/acl_rt.h

948 lines
29 KiB

/**
* Copyright 2019-2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INC_EXTERNAL_ACL_ACL_RT_H_
#define INC_EXTERNAL_ACL_ACL_RT_H_
#include <stdint.h>
#include <stddef.h>
#include "acl_base.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ACL_EVENT_TIME_LINE 0x00000008u
typedef enum aclrtRunMode {
ACL_DEVICE,
ACL_HOST,
} aclrtRunMode;
typedef enum aclrtTsId {
ACL_TS_ID_AICORE = 0,
ACL_TS_ID_AIVECTOR = 1,
ACL_TS_ID_RESERVED = 2,
} aclrtTsId;
typedef enum aclrtEventStatus {
ACL_EVENT_STATUS_COMPLETE = 0,
ACL_EVENT_STATUS_NOT_READY = 1,
ACL_EVENT_STATUS_RESERVED = 2,
} aclrtEventStatus;
typedef enum aclrtCallbackBlockType {
ACL_CALLBACK_NO_BLOCK,
ACL_CALLBACK_BLOCK,
} aclrtCallbackBlockType;
typedef enum aclrtMemcpyKind {
ACL_MEMCPY_HOST_TO_HOST,
ACL_MEMCPY_HOST_TO_DEVICE,
ACL_MEMCPY_DEVICE_TO_HOST,
ACL_MEMCPY_DEVICE_TO_DEVICE,
} aclrtMemcpyKind;
typedef enum aclrtMemMallocPolicy {
ACL_MEM_MALLOC_HUGE_FIRST,
ACL_MEM_MALLOC_HUGE_ONLY,
ACL_MEM_MALLOC_NORMAL_ONLY,
ACL_MEM_MALLOC_HUGE_FIRST_P2P,
ACL_MEM_MALLOC_HUGE_ONLY_P2P,
ACL_MEM_MALLOC_NORMAL_ONLY_P2P,
} aclrtMemMallocPolicy;
typedef enum aclrtMemAttr {
ACL_DDR_MEM,
ACL_HBM_MEM,
ACL_DDR_MEM_HUGE,
ACL_DDR_MEM_NORMAL,
ACL_HBM_MEM_HUGE,
ACL_HBM_MEM_NORMAL,
ACL_DDR_MEM_P2P_HUGE,
ACL_DDR_MEM_P2P_NORMAL,
ACL_HBM_MEM_P2P_HUGE,
ACL_HBM_MEM_P2P_NORMAL,
} aclrtMemAttr;
typedef enum aclrtGroupAttr {
ACL_GROUP_AICORE_INT,
ACL_GROUP_AIV_INT,
ACL_GROUP_AIC_INT,
ACL_GROUP_SDMANUM_INT,
ACL_GROUP_ASQNUM_INT,
ACL_GROUP_GROUPID_INT
} aclrtGroupAttr;
typedef struct tagRtGroupInfo aclrtGroupInfo;
typedef struct rtExceptionInfo aclrtExceptionInfo;
typedef void (*aclrtCallback)(void *userData);
typedef void (*aclrtExceptionInfoCallback)(aclrtExceptionInfo *exceptionInfo);
/**
* @ingroup AscendCL
* @brief Set a callback function to handle exception information
*
* @param callback [IN] callback function to handle exception information
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtSetExceptionInfoCallback(aclrtExceptionInfoCallback callback);
/**
* @ingroup AscendCL
* @brief Get task id from exception information
*
* @param info [IN] pointer of exception information
*
* @retval The task id from exception information
* @retval 0xFFFFFFFF if info is null
*/
ACL_FUNC_VISIBILITY uint32_t aclrtGetTaskIdFromExceptionInfo(const aclrtExceptionInfo *info);
/**
* @ingroup AscendCL
* @brief Get stream id from exception information
*
* @param info [IN] pointer of exception information
*
* @retval The stream id from exception information
* @retval 0xFFFFFFFF if info is null
*/
ACL_FUNC_VISIBILITY uint32_t aclrtGetStreamIdFromExceptionInfo(const aclrtExceptionInfo *info);
/**
* @ingroup AscendCL
* @brief Get thread id from exception information
*
* @param info [IN] pointer of exception information
*
* @retval The thread id of fail task
* @retval 0xFFFFFFFF if info is null
*/
ACL_FUNC_VISIBILITY uint32_t aclrtGetThreadIdFromExceptionInfo(const aclrtExceptionInfo *info);
/**
* @ingroup AscendCL
* @brief Get device id from exception information
*
* @param info [IN] pointer of exception information
*
* @retval The thread id of fail task
* @retval 0xFFFFFFFF if info is null
*/
ACL_FUNC_VISIBILITY uint32_t aclrtGetDeviceIdFromExceptionInfo(const aclrtExceptionInfo *info);
/**
* @ingroup AscendCL
* @brief The thread that handles the callback function on the Stream
*
* @param threadId [IN] thread ID
* @param stream [IN] stream handle
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtSubscribeReport(uint64_t threadId, aclrtStream stream);
/**
* @ingroup AscendCL
* @brief Add a callback function to be executed on the host
* to the task queue of the Stream
*
* @param fn [IN] Specify the callback function to be added
* The function prototype of the callback function is:
* typedef void (*aclrtCallback)(void *userData);
* @param userData [IN] User data to be passed to the callback function
* @param blockType [IN] callback block type
* @param stream [IN] stream handle
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtLaunchCallback(aclrtCallback fn, void *userData, aclrtCallbackBlockType blockType,
aclrtStream stream);
/**
* @ingroup AscendCL
* @brief After waiting for a specified time, trigger callback processing
*
* @par Function
* The thread processing callback specified by
* the aclrtSubscribeReport interface
*
* @param timeout [IN] timeout value
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtSubscribeReport
*/
ACL_FUNC_VISIBILITY aclError aclrtProcessReport(int32_t timeout);
/**
* @ingroup AscendCL
* @brief Cancel thread registration,
* the callback function on the specified Stream
* is no longer processed by the specified thread
*
* @param threadId [IN] thread ID
* @param stream [IN] stream handle
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtUnSubscribeReport(uint64_t threadId, aclrtStream stream);
/**
* @ingroup AscendCL
* @brief create context and associates it with the calling thread
*
* @par Function
* The following use cases are supported:
* @li If you don't call the aclrtCreateContext interface
* to explicitly create the context,
* the system will use the default context, which is implicitly created
* when the aclrtSetDevice interface is called.
* @li If multiple contexts are created in a process
* (there is no limit on the number of contexts),
* the current thread can only use one of them at the same time.
* It is recommended to explicitly specify the context of the current thread
* through the aclrtSetCurrentContext interface to increase.
* the maintainability of the program.
*
* @param context [OUT] point to the created context
* @param deviceId [IN] device to create context on
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtSetDevice | aclrtSetCurrentContext
*/
ACL_FUNC_VISIBILITY aclError aclrtCreateContext(aclrtContext *context, int32_t deviceId);
/**
* @ingroup AscendCL
* @brief destroy context instance
*
* @par Function
* Can only destroy context created through aclrtCreateContext interface
*
* @param context [IN] the context to destroy
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtCreateContext
*/
ACL_FUNC_VISIBILITY aclError aclrtDestroyContext(aclrtContext context);
/**
* @ingroup AscendCL
* @brief set the context of the thread
*
* @par Function
* The following scenarios are supported:
* @li If the aclrtCreateContext interface is called in a thread to explicitly
* create a Context (for example: ctx1), the thread's Context can be specified
* without calling the aclrtSetCurrentContext interface.
* The system uses ctx1 as the context of thread1 by default.
* @li If the aclrtCreateContext interface is not explicitly created,
* the system uses the default context as the context of the thread.
* At this time, the aclrtDestroyContext interface cannot be used to release
* the default context.
* @li If the aclrtSetCurrentContext interface is called multiple times to
* set the thread's Context, the last one prevails.
*
* @par Restriction
* @li If the cevice corresponding to the context set for the thread
* has been reset, you cannot set the context as the context of the thread,
* otherwise a business exception will result.
* @li It is recommended to use the context created in a thread.
* If the aclrtCreateContext interface is called in thread A to create a context,
* and the context is used in thread B,
* the user must guarantee the execution order of tasks in the same stream
* under the same context in two threads.
*
* @param context [IN] the current context of the thread
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtCreateContext | aclrtDestroyContext
*/
ACL_FUNC_VISIBILITY aclError aclrtSetCurrentContext(aclrtContext context);
/**
* @ingroup AscendCL
* @brief get the context of the thread
*
* @par Function
* If the user calls the aclrtSetCurrentContext interface
* multiple times to set the context of the current thread,
* then the last set context is obtained
*
* @param context [OUT] the current context of the thread
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtSetCurrentContext
*/
ACL_FUNC_VISIBILITY aclError aclrtGetCurrentContext(aclrtContext *context);
/**
* @ingroup AscendCL
* @brief Specify the device to use for the operation
* implicitly create the default context and the default stream
*
* @par Function
* The following use cases are supported:
* @li Device can be specified in the process or thread.
* If you call the aclrtSetDevice interface multiple
* times to specify the same device,
* you only need to call the aclrtResetDevice interface to reset the device.
* @li The same device can be specified for operation
* in different processes or threads.
* @li Device is specified in a process,
* and multiple threads in the process can share this device to explicitly
* create a Context (aclrtCreateContext interface).
* @li In multi-device scenarios, you can switch to other devices
* through the aclrtSetDevice interface in the process.
*
* @param deviceId [IN] the device id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtResetDevice |aclrtCreateContext
*/
ACL_FUNC_VISIBILITY aclError aclrtSetDevice(int32_t deviceId);
/**
* @ingroup AscendCL
* @brief Reset the current operating Device and free resources on the device,
* including the default context, the default stream,
* and all streams created under the default context,
* and synchronizes the interface.
* If the task under the default context or stream has not been completed,
* the system will wait for the task to complete before releasing it.
*
* @par Restriction
* @li The Context, Stream, and Event that are explicitly created
* on the device to be reset. Before resetting,
* it is recommended to follow the following interface calling sequence,
* otherwise business abnormalities may be caused.
* @li Interface calling sequence:
* call aclrtDestroyEvent interface to release Event or
* call aclrtDestroyStream interface to release explicitly created Stream->
* call aclrtDestroyContext to release explicitly created Context->
* call aclrtResetDevice interface
*
* @param deviceId [IN] the device id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtResetDevice(int32_t deviceId);
/**
* @ingroup AscendCL
* @brief get target device of current thread
*
* @param deviceId [OUT] the device id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtGetDevice(int32_t *deviceId);
/**
* @ingroup AscendCL
* @brief get target side
*
* @param runMode [OUT] the run mode
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtGetRunMode(aclrtRunMode *runMode);
/**
* @ingroup AscendCL
* @brief Wait for compute device to finish
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtSynchronizeDevice(void);
/**
* @ingroup AscendCL
* @brief Set Scheduling TS
*
* @param tsId [IN] the ts id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtSetTsDevice(aclrtTsId tsId);
/**
* @ingroup AscendCL
* @brief get total device number.
*
* @param count [OUT] the device number
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtGetDeviceCount(uint32_t *count);
/**
* @ingroup AscendCL
* @brief create event instance
*
* @param event [OUT] created event
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtCreateEvent(aclrtEvent *event);
/**
* @ingroup AscendCL
* @brief create event instance with flag
*
* @param event [OUT] created event
* @param flag [IN] event flag
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtCreateEventWithFlag(aclrtEvent *event, uint32_t flag);
/**
* @ingroup AscendCL
* @brief destroy event instance
*
* @par Function
* Only events created through the aclrtCreateEvent interface can be
* destroyed, synchronous interfaces. When destroying an event,
* the user must ensure that the tasks involved in the aclrtSynchronizeEvent
* interface or the aclrtStreamWaitEvent interface are completed before
* they are destroyed.
*
* @param event [IN] event to destroy
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtCreateEvent | aclrtSynchronizeEvent | aclrtStreamWaitEvent
*/
ACL_FUNC_VISIBILITY aclError aclrtDestroyEvent(aclrtEvent event);
/**
* @ingroup AscendCL
* @brief Record an Event in the Stream
*
* @param event [IN] event to record
* @param stream [IN] stream handle
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtRecordEvent(aclrtEvent event, aclrtStream stream);
/**
* @ingroup AscendCL
* @brief Reset an event
*
* @par Function
* Users need to make sure to wait for the tasks in the Stream
* to complete before resetting the Event
*
* @param event [IN] event to reset
* @param stream [IN] stream handle
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtResetEvent(aclrtEvent event, aclrtStream stream);
/**
* @ingroup AscendCL
* @brief Queries an event's status
*
* @param event [IN] event to query
* @param status [OUT] event status
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtQueryEvent(aclrtEvent event, aclrtEventStatus *status);
/**
* @ingroup AscendCL
* @brief Block Host Running, wait event to be complete
*
* @param event [IN] event to wait
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtSynchronizeEvent(aclrtEvent event);
/**
* @ingroup AscendCL
* @brief computes the elapsed time between events.
*
* @param ms [OUT] time between start and end in ms
* @param start [IN] starting event
* @param end [IN] ending event
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtCreateEvent | aclrtRecordEvent | aclrtSynchronizeStream
*/
ACL_FUNC_VISIBILITY aclError aclrtEventElapsedTime(float *ms, aclrtEvent start, aclrtEvent end);
/**
* @ingroup AscendCL
* @brief alloc memory on device
*
* @par Function
* alloc for size linear memory on device
* and return a pointer to allocated memory by *devPtr
*
* @par Restriction
* @li The memory requested by the aclrtMalloc interface needs to be released
* through the aclrtFree interface.
* @li Before calling the media data processing interface,
* if you need to apply memory on the device to store input or output data,
* you need to call acldvppMalloc to apply for memory.
*
* @param devPtr [OUT] pointer to pointer to allocated memory on device
* @param size [IN] alloc memory size
* @param policy [IN] memory alloc policy
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtFree | acldvppMalloc | aclrtMallocCached
*/
ACL_FUNC_VISIBILITY aclError aclrtMalloc(void **devPtr, size_t size, aclrtMemMallocPolicy policy);
/**
* @ingroup AscendCL
* @brief allocate memory on device with cache
*
* @par Function
* alloc for size linear memory on device
* and return a pointer to allocated memory by *devPtr
*
* @par Restriction
* @li The memory requested by the aclrtMallocCached interface needs to be released
* through the aclrtFree interface.
*
* @param devPtr [OUT] pointer to pointer to allocated memory on device
* @param size [IN] alloc memory size
* @param policy [IN] memory alloc policy
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtFree | aclrtMalloc
*/
ACL_FUNC_VISIBILITY aclError aclrtMallocCached(void **devPtr, size_t size, aclrtMemMallocPolicy policy);
/**
* @ingroup AscendCL
* @brief flush cache data to ddr
*
* @param devPtr [IN] the pointer that flush data to ddr
* @param size [IN] flush size
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtMemFlush(void *devPtr, size_t size);
/**
* @ingroup AscendCL
* @brief invalidate cache data
*
* @param devPtr [IN] pointer to invalidate cache data
* @param size [IN] invalidate size
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtMemInvalidate(void *devPtr, size_t size);
/**
* @ingroup AscendCL
* @brief free device memory
*
* @par Function
* can only free memory allocated through the aclrtMalloc interface
*
* @param devPtr [IN] Pointer to memory to be freed
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtMalloc
*/
ACL_FUNC_VISIBILITY aclError aclrtFree(void *devPtr);
/**
* @ingroup AscendCL
* @brief alloc memory on host
*
* @par Restriction
* @li The requested memory cannot be used in the Device
* and needs to be explicitly copied to the Device.
* @li The memory requested by the aclrtMallocHost interface
* needs to be released through the aclrtFreeHost interface.
*
* @param hostPtr [OUT] pointer to pointer to allocated memory on the host
* @param size [IN] alloc memory size
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtFreeHost
*/
ACL_FUNC_VISIBILITY aclError aclrtMallocHost(void **hostPtr, size_t size);
/**
* @ingroup AscendCL
* @brief free host memory
*
* @par Function
* can only free memory allocated through the aclrtMallocHost interface
*
* @param hostPtr [IN] free memory pointer
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtMallocHost
*/
ACL_FUNC_VISIBILITY aclError aclrtFreeHost(void *hostPtr);
/**
* @ingroup AscendCL
* @brief synchronous memory replication between host and device
*
* @param dst [IN] destination address pointer
* @param destMax [IN] Max length of the destination address memory
* @param src [IN] source address pointer
* @param count [IN] the length of byte to copy
* @param kind [IN] memcpy type
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtMemcpy(void *dst, size_t destMax, const void *src, size_t count,
aclrtMemcpyKind kind);
/**
* @ingroup AscendCL
* @brief Initialize memory and set contents of memory to specified value
*
* @par Function
* The memory to be initialized is on the Host or device side,
* and the system determines whether
* it is host or device according to the address
*
* @param devPtr [IN] Starting address of memory
* @param maxCount [IN] Max length of destination address memory
* @param value [IN] Set value
* @param count [IN] The length of memory
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtMemset(void *devPtr, size_t maxCount, int32_t value, size_t count);
/**
* @ingroup AscendCL
* @brief Asynchronous memory replication between Host and Device
*
* @par Function
* After calling this interface,
* be sure to call the aclrtSynchronizeStream interface to ensure that
* the task of memory replication has been completed
*
* @par Restriction
* @li For on-chip Device-to-Device memory copy,
* both the source and destination addresses must be 64-byte aligned
*
* @param dst [IN] destination address pointer
* @param destMax [IN] Max length of destination address memory
* @param src [IN] source address pointer
* @param count [IN] the number of byte to copy
* @param kind [IN] memcpy type
* @param stream [IN] asynchronized task stream
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtSynchronizeStream
*/
ACL_FUNC_VISIBILITY aclError aclrtMemcpyAsync(void *dst, size_t destMax, const void *src, size_t count,
aclrtMemcpyKind kind, aclrtStream stream);
/**
* @ingroup AscendCL
* @brief Asynchronous initialize memory
* and set contents of memory to specified value async
*
* @par Function
* The memory to be initialized is on the Host or device side,
* and the system determines whether
* it is host or device according to the address
*
* @param devPtr [IN] destination address pointer
* @param maxCount [IN] Max length of destination address memory
* @param value [IN] set value
* @param count [IN] the number of byte to set
* @param stream [IN] asynchronized task stream
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtSynchronizeStream
*/
ACL_FUNC_VISIBILITY aclError aclrtMemsetAsync(void *devPtr, size_t maxCount, int32_t value, size_t count,
aclrtStream stream);
/**
* @ingroup AscendCL
* @brief create stream instance
*
* @param stream [OUT] the created stream
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtCreateStream(aclrtStream *stream);
/**
* @ingroup AscendCL
* @brief destroy stream instance
*
* @par Function
* Can only destroy streams created through the aclrtCreateStream interface
*
* @par Restriction
* Before calling the aclrtDestroyStream interface to destroy
* the specified Stream, you need to call the aclrtSynchronizeStream interface
* to ensure that the tasks in the Stream have been completed.
*
* @param stream [IN] the stream to destroy
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtCreateStream | aclrtSynchronizeStream
*/
ACL_FUNC_VISIBILITY aclError aclrtDestroyStream(aclrtStream stream);
/**
* @ingroup AscendCL
* @brief block the host until all tasks
* in the specified stream have completed
*
* @param stream [IN] the stream to wait
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtSynchronizeStream(aclrtStream stream);
/**
* @ingroup AscendCL
* @brief Blocks the operation of the specified Stream until
* the specified Event is completed.
* Support for multiple streams waiting for the same event.
*
* @param stream [IN] the wait stream If using thedefault Stream, set NULL
* @param event [IN] the event to wait
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtStreamWaitEvent(aclrtStream stream, aclrtEvent event);
/**
* @ingroup AscendCL
* @brief set group
*
* @par Function
* set the task to the corresponding group
*
* @param groupId [IN] group id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtGetGroupCount | aclrtGetAllGroupInfo | aclrtGetGroupInfoDetail
*/
ACL_FUNC_VISIBILITY aclError aclrtSetGroup(int32_t groupId);
/**
* @ingroup AscendCL
* @brief get the number of group
*
* @par Function
* get the number of group. if the number of group is zero,
* it means that group is not supported or group is not created.
*
* @param count [OUT] the number of group
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
*/
ACL_FUNC_VISIBILITY aclError aclrtGetGroupCount(uint32_t *count);
/**
* @ingroup AscendCL
* @brief create group information
*
* @retval null for failed.
* @retval OtherValues success.
*
* @see aclrtDestroyGroupInfo
*/
ACL_FUNC_VISIBILITY aclrtGroupInfo *aclrtCreateGroupInfo();
/**
* @ingroup AscendCL
* @brief destroy group information
*
* @param groupInfo [IN] pointer to group information
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtCreateGroupInfo
*/
ACL_FUNC_VISIBILITY aclError aclrtDestroyGroupInfo(aclrtGroupInfo *groupInfo);
/**
* @ingroup AscendCL
* @brief get all group information
*
* @param groupInfo [OUT] pointer to group information
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtGetGroupCount
*/
ACL_FUNC_VISIBILITY aclError aclrtGetAllGroupInfo(aclrtGroupInfo *groupInfo);
/**
* @ingroup AscendCL
* @brief get detail information of group
*
* @param groupInfo [IN] pointer to group information
* @param groupIndex [IN] group index value
* @param attr [IN] group attribute
* @param attrValue [OUT] pointer to attribute value
* @param valueLen [IN] length of attribute value
* @param paramRetSize [OUT] pointer to real length of attribute value
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtGetGroupCount | aclrtGetAllGroupInfo
*/
ACL_FUNC_VISIBILITY aclError aclrtGetGroupInfoDetail(const aclrtGroupInfo *groupInfo, int32_t groupIndex,
aclrtGroupAttr attr, void *attrValue, size_t valueLen,
size_t *paramRetSize);
/**
* @ingroup AscendCL
* @brief checking whether current device and peer device support the p2p feature
*
* @param canAccessPeer [OUT] pointer to save the checking result
* @param deviceId [IN] current device id
* @param peerDeviceId [IN] peer device id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtDeviceEnablePeerAccess | aclrtDeviceDisablePeerAccess
*/
ACL_FUNC_VISIBILITY aclError aclrtDeviceCanAccessPeer(int32_t *canAccessPeer, int32_t deviceId, int32_t peerDeviceId);
/**
* @ingroup AscendCL
* @brief enable the peer device to support the p2p feature
*
* @param peerDeviceId [IN] the peer device id
* @param flags [IN] reserved field, now it must be zero
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtDeviceCanAccessPeer | aclrtDeviceDisablePeerAccess
*/
ACL_FUNC_VISIBILITY aclError aclrtDeviceEnablePeerAccess(int32_t peerDeviceId, uint32_t flags);
/**
* @ingroup AscendCL
* @brief disable the peer device to support the p2p function
*
* @param peerDeviceId [IN] the peer device id
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*
* @see aclrtDeviceCanAccessPeer | aclrtDeviceEnablePeerAccess
*/
ACL_FUNC_VISIBILITY aclError aclrtDeviceDisablePeerAccess(int32_t peerDeviceId);
/**
* @ingroup AscendCL
* @brief Obtain the free memory and total memory of specified attribute.
* the specified memory include normal memory and huge memory.
*
* @param attr [IN] the memory attribute of specified device
* @param free [OUT] the free memory of specified device
* @param total [OUT] the total memory of specified device.
*
* @retval ACL_SUCCESS The function is successfully executed.
* @retval OtherValues Failure
*/
ACL_FUNC_VISIBILITY aclError aclrtGetMemInfo(aclrtMemAttr attr, size_t *free, size_t *total);
#ifdef __cplusplus
}
#endif
#endif // INC_EXTERNAL_ACL_ACL_RT_H_