aclrtMemSetAccess

Applicability

Product

Supported

Atlas A3 training products/Atlas A3 inference products

Atlas A2 training products/Atlas A2 inference products

Atlas 200I/500 A2 inference products

Atlas inference products

Atlas training products

Description

Sets the memory access permission.

Prototype

aclError aclrtMemSetAccess(void* virPtr, size_t size, aclrtMemAccessDesc* desc, size_t count)

Parameters

Parameter

Input/Output

Description

virPtr

Input

Start address of the virtual memory.

The value must be the same as the aclrtMapMem API's virPtr address.

size

Input

Length of the virtual memory.

The value must be the same as the aclrtMapMem API's size.

desc

Input

Memory access configuration, including access protection flag and memory location.

count

Input

Length of the desc array.

Returns

0 on success; else, failure. For details, see aclError.