dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t > Class Template Reference

#include <dxd_pci.h>

Public Member Functions
void	free ()
template<class sgl_t >
os_result	initialize (device &, ::IOMemoryDescriptor *iokit_memory_descriptor, unsigned int &pages, sgl_t &sgl, unsigned int limit=limit_t, unsigned int alignment=alignment_t, unsigned int page_size=page_size_t)
	scatter_gather ()=default
template<class sgl_t >
	scatter_gather (device &device, ::IOMemoryDescriptor *iokit_memory_descriptor, unsigned int &pages, sgl_t &sgl, unsigned int limit=limit_t, unsigned int alignment=alignment_t, unsigned int page_size=page_size_t)
os_result	synchronize (direction direction=direction::both)
	~scatter_gather ()

Public Attributes
os_result	status =not_initialized

Constructor & Destructor Documentation

scatter_gather() [1/2]

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::scatter_gather ( )

default

scatter_gather() [2/2]

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

template<class sgl_t >

dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::scatter_gather ( device & device, ::IOMemoryDescriptor * iokit_memory_descriptor, unsigned int & pages, sgl_t & sgl, unsigned int limit = limit_t, unsigned int alignment = alignment_t, unsigned int page_size = page_size_t )

inline

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~scatter_gather()

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::~scatter_gather ( )

inline

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Member Function Documentation

free()

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

void dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::free ( )

inline

completes the DMA command,

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initialize()

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

template<class sgl_t >

os_result dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::initialize ( device & , ::IOMemoryDescriptor * iokit_memory_descriptor, unsigned int & pages, sgl_t & sgl, unsigned int limit = limit_t, unsigned int alignment = alignment_t, unsigned int page_size = page_size_t )

inline

Todo

templatize endianism!

Allows re-initialization.

Checks memory descriptors,

creates 64bit IODMACommand limited to template specification, maps the IODMACommand if limited below 64bit or PPC,

selects memory descriptor for DMA backing store,

prepares the DMA command,

generates physical segments and

converts it into user supplied structure

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synchronize()

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

os_result dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::synchronize ( direction direction = direction::both )

inline

Member Data Documentation

status

template<unsigned int limit_t = 64, unsigned int alignment_t = 0, unsigned int page_size_t = 0>

os_result dxd::pci::scatter_gather< limit_t, alignment_t, page_size_t >::status =not_initialized

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The documentation for this class was generated from the following file:

• iokit/dxd_pci.h