gem5::PciHost::DeviceInterface Class Reference

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

#include <host.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.
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 (PciHost &host, PciBusAddr &bus_addr, PciIntPin pin)
	Instantiate a device interface.

Protected Attributes
PciHost &	host
const PciBusAddr	busAddr
const PciIntPin	interruptPin

Friends
class	gem5::PciHost

Detailed Description

Callback interface from PCI devices to the host.

Devices get an instance of this object when they register themselves with the host using the PciHost::registerDevice() call.

Definition at line 94 of file host.hh.

Constructor & Destructor Documentation

DeviceInterface() [1/2]

gem5::PciHost::DeviceInterface::DeviceInterface ( PciHost & host, PciBusAddr & bus_addr, PciIntPin pin )

protected

Instantiate a device interface.

Parameters

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

Definition at line 89 of file host.cc.

DeviceInterface() [2/2]

gem5::PciHost::DeviceInterface::DeviceInterface ( )

delete

Member Function Documentation

clearInt()

void gem5::PciHost::DeviceInterface::clearInt

(

)

Clear a posted PCI interrupt.

Definition at line 113 of file host.cc.

References DPRINTF.

Referenced by gem5::PciDevice::intrClear().

dmaAddr()

Addr gem5::PciHost::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 149 of file host.hh.

References gem5::X86ISA::addr, busAddr, gem5::PciHost::dmaAddr(), and host.

Referenced by gem5::PciDevice::pciToDma().

memAddr()

Addr gem5::PciHost::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 140 of file host.hh.

References gem5::X86ISA::addr, busAddr, host, and gem5::PciHost::memAddr().

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

name()

const std::string gem5::PciHost::DeviceInterface::name

(

)

const

Definition at line 98 of file host.cc.

References gem5::csprintf().

operator=()

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

delete

pioAddr()

Addr gem5::PciHost::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 131 of file host.hh.

References gem5::X86ISA::addr, busAddr, host, and gem5::PciHost::pioAddr().

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

postInt()

void gem5::PciHost::DeviceInterface::postInt

(

)

Post a PCI interrupt to the CPU.

Definition at line 105 of file host.cc.

References DPRINTF.

Referenced by gem5::PciDevice::intrPost().

Friends And Related Symbol Documentation

gem5::PciHost

friend class gem5::PciHost

friend

Definition at line 96 of file host.hh.

Member Data Documentation

busAddr

const PciBusAddr gem5::PciHost::DeviceInterface::busAddr

protected

Definition at line 154 of file host.hh.

Referenced by dmaAddr(), memAddr(), and pioAddr().

host

PciHost& gem5::PciHost::DeviceInterface::host

protected

Definition at line 152 of file host.hh.

Referenced by dmaAddr(), memAddr(), and pioAddr().

interruptPin

const PciIntPin gem5::PciHost::DeviceInterface::interruptPin

protected

Definition at line 155 of file host.hh.

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

• dev/pci/host.hh
• dev/pci/host.cc