RAII memory region for host memory. More...

#include <Services.h>

Inheritance diagram for esi::services::HostMem::HostMemRegion:

Public Member Functions
virtual	~HostMemRegion ()=default

virtual void *	getPtr () const =0
	Get a pointer to the host memory.

virtual void *	getDevicePtr () const
	Sometimes the pointer the device sees is different from the pointer the host sees.

	operator void * () const

virtual std::size_t	getSize () const =0

virtual void	flush ()
	Flush the memory region to ensure that the device sees the latest contents.

Detailed Description

RAII memory region for host memory.

Automatically frees the memory when deconstructed.

Definition at line 203 of file Services.h.

Constructor & Destructor Documentation

◆ ~HostMemRegion()

virtual esi::services::HostMem::HostMemRegion::~HostMemRegion ( )

virtualdefault

Member Function Documentation

◆ flush()

virtual void esi::services::HostMem::HostMemRegion::flush ( )

inlinevirtual

Flush the memory region to ensure that the device sees the latest contents.

Because some platforms require it before DMA transactions, it is recommended to call this before any DMA on all platforms. On platforms which don't require it, it is a cheap no-op virtual method call.

Definition at line 217 of file Services.h.

Referenced by dmaTest().

◆ getDevicePtr()

virtual void * esi::services::HostMem::HostMemRegion::getDevicePtr ( ) const

inlinevirtual

Sometimes the pointer the device sees is different from the pointer the host sees.

Call this functon to get the device pointer.

Definition at line 209 of file Services.h.

References getPtr().

◆ getPtr()

virtual void * esi::services::HostMem::HostMemRegion::getPtr ( ) const

pure virtual

Get a pointer to the host memory.

Implemented in TraceHostMem::TraceHostMemRegion.

Referenced by dmaTest(), getDevicePtr(), operator void *(), and PYBIND11_MODULE().

◆ getSize()

virtual std::size_t esi::services::HostMem::HostMemRegion::getSize ( ) const

pure virtual

Implemented in TraceHostMem::TraceHostMemRegion.

Referenced by PYBIND11_MODULE().

◆ operator void *()

esi::services::HostMem::HostMemRegion::operator void * ( ) const

inline

Definition at line 210 of file Services.h.