gem5::PciUpstream::DeviceInterface Class Reference

Callback interface from PCI devices to the upstream. More...

#include <upstream.hh>

Public Member Functions
	DeviceInterface ()=delete
void	operator= (const DeviceInterface &)=delete
const std::string	name () const
void	postInt ()
	Post a PCI interrupt to the CPU.
void	clearInt ()
	Clear a posted PCI interrupt.
AddrRange	configRange () const
	Calculate the physical address range of the PCI device configuration space.
Addr	pioAddr (Addr addr) const
	Calculate the physical address of an IO location on the PCI bus.
Addr	memAddr (Addr addr) const
	Calculate the physical address of a non-prefetchable memory location in the PCI address space.
Addr	dmaAddr (Addr addr) const
	Calculate the physical address of a prefetchable memory location in the PCI address space.

Protected Member Functions
	DeviceInterface (PciUpstream &upstream, const PciDevAddr &dev_addr, PciIntPin pin)
	Instantiate a device interface.

Protected Attributes
PciUpstream &	upstream
const PciDevAddr	devAddr
const PciIntPin	interruptPin

Friends
class	gem5::PciUpstream

Detailed Description

Callback interface from PCI devices to the upstream.

Devices get an instance of this object by calling PciUpstream::registerDevice() on their direct upstream.

Definition at line 111 of file upstream.hh.

Constructor & Destructor Documentation

DeviceInterface() [1/2]

gem5::PciUpstream::DeviceInterface::DeviceInterface ( PciUpstream & upstream, const PciDevAddr & dev_addr, PciIntPin pin )

protected

Instantiate a device interface.

Parameters

upstream	PCI upstream that this device belongs to.
dev_addr	The device's position on the PCI bus
pin	Interrupt pin

Definition at line 112 of file upstream.cc.

References devAddr, gem5::PciUpstream, interruptPin, and upstream.

Referenced by operator=().

DeviceInterface() [2/2]

gem5::PciUpstream::DeviceInterface::DeviceInterface ( )

delete

Member Function Documentation

clearInt()

void gem5::PciUpstream::DeviceInterface::clearInt

(

)

Clear a posted PCI interrupt.

Definition at line 134 of file upstream.cc.

References devAddr, DPRINTF, gem5::PciUpstream, interruptPin, and upstream.

configRange()

AddrRange gem5::PciUpstream::DeviceInterface::configRange ( ) const

inline

Calculate the physical address range of the PCI device configuration space.

Returns

Address range in the system's physical address space.

Definition at line 149 of file upstream.hh.

References devAddr, and upstream.

dmaAddr()

Addr gem5::PciUpstream::DeviceInterface::dmaAddr ( Addr addr ) const

inline

Calculate the physical address of a prefetchable memory location in the PCI address space.

Parameters

addr	Address in the PCI DMA memory address space

Returns

Address in the system's physical address space.

Definition at line 188 of file upstream.hh.

References gem5::X86ISA::addr, devAddr, and upstream.

memAddr()

Addr gem5::PciUpstream::DeviceInterface::memAddr ( Addr addr ) const

inline

Calculate the physical address of a non-prefetchable memory location in the PCI address space.

Parameters

addr	Address in the PCI memory address space

Returns

Address in the system's physical address space.

Definition at line 175 of file upstream.hh.

References gem5::X86ISA::addr, devAddr, and upstream.

Referenced by gem5::PciMemBar::upper(), and gem5::PciMemBar::write().

name()

const std::string gem5::PciUpstream::DeviceInterface::name

(

)

const

Definition at line 119 of file upstream.cc.

References gem5::csprintf(), devAddr, and upstream.

operator=()

void gem5::PciUpstream::DeviceInterface::operator= ( const DeviceInterface & )

delete

References DeviceInterface().

pioAddr()

Addr gem5::PciUpstream::DeviceInterface::pioAddr ( Addr addr ) const

inline

Calculate the physical address of an IO location on the PCI bus.

Parameters

addr	Address in the PCI IO address space

Returns

Address in the system's physical address space.

Definition at line 162 of file upstream.hh.

References gem5::X86ISA::addr, devAddr, and upstream.

Referenced by gem5::PciIoBar::write(), and gem5::PciLegacyIoBar::write().

postInt()

void gem5::PciUpstream::DeviceInterface::postInt

(

)

Post a PCI interrupt to the CPU.

Definition at line 126 of file upstream.cc.

References devAddr, DPRINTF, gem5::PciUpstream, interruptPin, and upstream.

Friends And Related Symbol Documentation

gem5::PciUpstream

friend class gem5::PciUpstream

friend

Definition at line 113 of file upstream.hh.

References gem5::PciUpstream, and upstream.

Referenced by clearInt(), DeviceInterface(), gem5::PciUpstream, and postInt().

Member Data Documentation

devAddr

const PciDevAddr gem5::PciUpstream::DeviceInterface::devAddr

protected

Definition at line 196 of file upstream.hh.

Referenced by clearInt(), configRange(), DeviceInterface(), dmaAddr(), memAddr(), name(), pioAddr(), and postInt().

interruptPin

const PciIntPin gem5::PciUpstream::DeviceInterface::interruptPin

protected

Definition at line 197 of file upstream.hh.

Referenced by clearInt(), DeviceInterface(), and postInt().

upstream

PciUpstream& gem5::PciUpstream::DeviceInterface::upstream

protected

Definition at line 194 of file upstream.hh.

Referenced by clearInt(), configRange(), DeviceInterface(), dmaAddr(), gem5::PciUpstream, memAddr(), name(), pioAddr(), and postInt().

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

• dev/pci/upstream.hh
• dev/pci/upstream.cc