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 243 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 257 of file Services.h.

Referenced by hostmemReadBandwidthTest(), hostmemReadTest(), hostmemWriteBandwidthTest(), and hostmemWriteTest().