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Protocols — PCI Bus Support
Version 1.10 12/01/02 12-57
Io.Read Allows BAR relative reads to PCI I/O space. See the
Io.Read()
function description.
Io.Write Allows BAR relative writes to PCI I/O space. See the
Io.Write()
function description.
Pci.Read Allows PCI controller relative reads to PCI configuration space.
See the Pci.Read()
function description.
Pci.Write Allows PCI controller relative writes to PCI configuration space.
See the Pci.Write()
function description.
CopyMem Allows one region of PCI memory space to be copied to another
region of PCI memory space. See the CopyMem()
function
description.
Map Provides the PCI controller–specific address needed to access
system memory for DMA. See the Map()
function description.
Unmap Releases any resources allocated by Map(). See the Unmap()
function description.
AllocateBuffer Allocates pages that are suitable for a common buffer mapping.
See the AllocateBuffer()
function description.
FreeBuffer Frees pages that were allocated with AllocateBuffer(). See
the FreeBuffer()
function description.
Flush Flushes all PCI posted write transactions to system memory. See
the Flush()
function description.
GetLocation Retrieves this PCI controller’s current PCI bus number, device
number, and function number. See the GetLocation()
function description.
Attributes Performs an operation on the attributes that this PCI controller
supports. The operations include getting the set of supported
attributes, retrieving the current attributes, setting the current
attributes, enabling attributes, and disabling attributes. See the
Attributes()
function description.
GetBarAttributes Gets the attributes that this PCI controller supports setting on a
BAR using SetBarAttributes()
, and retrieves the list of
resource descriptors for a BAR. See the
GetBarAttributes()
function description.
SetBarAttributes Sets the attributes for a range of a BAR on a PCI controller. See
the SetBarAttributes() function description.
RomSize The size, in bytes, of the ROM image.