aclrtHostRegisterType

Data Format	Description
ACL_HOST_REGISTER_MAPPED = 0	Maps and registers the host memory as accessible to the device, including read and write.
ACL_HOST_REGISTER_IOMEMORY = 4	Maps and registers the I/O space (registers and caches) of a third-party PCIe device on the host as accessible to the device, including read and write. Atlas A3 training product/Atlas A3 inference product: Only the x86 architecture is supported. The Arm architecture is not supported.
ACL_HOST_REGISTER_READONLY = 8	Maps and registers the host memory as read-only to the device. Reserved, not supported currently.

Data Format

Description

ACL_HOST_REGISTER_MAPPED = 0

Maps and registers the host memory as accessible to the device, including read and write.

ACL_HOST_REGISTER_IOMEMORY = 4

Maps and registers the I/O space (registers and caches) of a third-party PCIe device on the host as accessible to the device, including read and write.

Atlas A3 training product/Atlas A3 inference product: Only the x86 architecture is supported. The Arm architecture is not supported.

ACL_HOST_REGISTER_READONLY = 8

Maps and registers the host memory as read-only to the device. Reserved, not supported currently.

Parent topic: Data Types and Operation APIs