DirectPciDevice Class Reference

Directly assign a host PCI device to the guest. More...

Inheritance diagram for DirectPciDevice:

Classes
struct	MsiXTableEntry

Public Member Functions
void	read_all_bars (unsigned bdf, unsigned long *base, unsigned long *size)
void	read_all_vf_bars (unsigned bdf, unsigned vf_no, unsigned long *base, unsigned long *size)
	Read all vf bars.
bool	receive (MessageIOIn &msg)
bool	receive (MessageIOOut &msg)
bool	receive (MessagePciConfig &msg)
bool	receive (MessageIrq &msg)
bool	receive (MessageIrqNotify &msg)
bool	receive (MessageMem &msg)
bool	receive (MessageMemRegion &msg)
bool	receive (MessageLegacy &msg)
	DirectPciDevice (Motherboard &mb, unsigned hbdf, unsigned guestbdf, bool assign, bool use_irqs=true, unsigned parent_bdf=0, unsigned vf_no=0, bool map=true)
Public Member Functions inherited from StaticReceiver< DirectPciDevice >
	StaticReceiver ()
Public Member Functions inherited from Device
void	debug_dump ()
	Device (const char *debug_name)
Public Member Functions inherited from HostVfPci
unsigned long long	vf_bar_base_size (unsigned bdf, unsigned vf_no, unsigned no, unsigned long long &size, bool *is64bit=0)
	Return the base and size of a VF BAR (inside a SR-IOV capability).
unsigned	vf_bdf (unsigned parent_bdf, unsigned vf_no)
	Compute BDF of a particular VF.
unsigned	vf_device_id (unsigned parent_bdf)
	HostVfPci (DBus< MessageHwPciConfig > &bus_pcicfg, DBus< MessageHostOp > &bus_hostop)
Public Member Functions inherited from HostPci
unsigned	conf_read (unsigned bdf, unsigned dword)
void	conf_write (unsigned bdf, unsigned dword, unsigned value)
unsigned	count_bars (unsigned bdf)
	Induce the number of the bars from the header-type.
unsigned	search_device (unsigned theclass, unsigned subclass, unsigned instance)
	Searches for a given device and returns the bdf of it.
unsigned	search_bridge (unsigned dst)
	Scan the PCI root bus for bridges.
unsigned	get_gsi_msi (DBus< MessageHostOp > &bus_hostop, unsigned bdf, unsigned nr, void *msix_table=0)
	Program the nr-th MSI/MSI-X vector of the given device.
unsigned	get_gsi (DBus< MessageHostOp > &bus_hostop, DBus< MessageAcpi > &bus_acpi, unsigned bdf, unsigned nr, bool level=false, void *msix_table=0)
	Returns the gsi and enables them.
unsigned	find_cap (unsigned bdf, unsigned char id)
	Find the position of a legacy PCI capability.
unsigned	find_extended_cap (unsigned bdf, unsigned short id)
	Find the position of an extended PCI capability.
unsigned long long	bar_base (unsigned bdf, unsigned bar, unsigned *type=0)
	Get the base and the type of a bar.
unsigned long long	bar_size (unsigned bdf, unsigned bar, bool *is64bit=0)
	Determines BAR size.
	HostPci (DBus< MessageHwPciConfig > &bus_pcicfg, DBus< MessageHostOp > &bus_hostop)

Private Types
enum	{ PCI_CFG_SPACE_DWORDS = 1024 }

Private Member Functions
void	map_bars (unsigned long *bases, unsigned long *sizes)
	Map the bars.
bool	match_iobars (unsigned short port, unsigned short &newport, unsigned size)
unsigned	match_bars (unsigned long address, unsigned size, unsigned *&ptr)
	Check whether the guest mem address matches and translate to host pointer address.

Private Attributes
Motherboard &	_mb
unsigned	_hostbdf
unsigned	_guestbdf
unsigned	_irq_count
unsigned *	_host_irqs
MsiXTableEntry *	_msix_table
MsiXTableEntry *	_msix_host_table
unsigned	_cfgspace [PCI_CFG_SPACE_DWORDS]
unsigned	_bar_count
unsigned	_msi_cap
bool	_msi_64bit
unsigned	_msix_cap
unsigned	_msix_bar
struct {
unsigned long   size
char *   ptr
bool   io
unsigned short   port
}	_barinfo [MAX_BAR]
bool	_vf

Additional Inherited Members
Public Types inherited from HostVfPci
enum	{ SRIOV_VF_BAR0 = 9, EXTCAP_ARI = 0x000EU, EXTCAP_SRIOV = 0x0010U }
Static Public Member Functions inherited from StaticReceiver< DirectPciDevice >
static bool	receive_static (Device *o, M &msg)

Detailed Description

Directly assign a host PCI device to the guest.

State: testing Features: pcicfgspace, ioport operations, memory read/write, host irq, mem-alloc, DMA remapping Missing: MSI, MSI-X Documentation: PCI spec v.2.2

Member Enumeration Documentation

anonymous enum

private

Enumerator:

PCI_CFG_SPACE_DWORDS

Constructor & Destructor Documentation

DirectPciDevice::DirectPciDevice ( Motherboard &  mb, unsigned  hbdf, unsigned  guestbdf, bool  assign, bool  use_irqs = true, unsigned  parent_bdf = 0, unsigned  vf_no = 0, bool  map = true  )

inline

Member Function Documentation

void DirectPciDevice::map_bars ( unsigned long *  bases, unsigned long *  sizes  )

inlineprivate

Map the bars.

unsigned DirectPciDevice::match_bars ( unsigned long  address, unsigned  size, unsigned *&  ptr  )

inlineprivate

Check whether the guest mem address matches and translate to host pointer address.

bool DirectPciDevice::match_iobars ( unsigned short  port, unsigned short &  newport, unsigned  size  )

inlineprivate

void DirectPciDevice::read_all_bars ( unsigned  bdf, unsigned long *  base, unsigned long *  size  )

inline

void DirectPciDevice::read_all_vf_bars ( unsigned  bdf, unsigned  vf_no, unsigned long *  base, unsigned long *  size  )

inline

Read all vf bars.

bool DirectPciDevice::receive ( MessageIOIn &  msg )

inline

bool DirectPciDevice::receive ( MessageIOOut &  msg )

inline

bool DirectPciDevice::receive ( MessagePciConfig &  msg )

inline

bool DirectPciDevice::receive ( MessageIrq &  msg )

inline

bool DirectPciDevice::receive ( MessageIrqNotify &  msg )

inline

bool DirectPciDevice::receive ( MessageMem &  msg )

inline

bool DirectPciDevice::receive ( MessageMemRegion &  msg )

inline

bool DirectPciDevice::receive ( MessageLegacy &  msg )

inline

Disable Busmaster DMA on reset. Thus the device can not do DMA anymore.

XXX OSes are buggy and enable this bit to early, thus we have to reset the PCI device here!

Member Data Documentation

unsigned DirectPciDevice::_bar_count

private

struct { ... } DirectPciDevice::_barinfo[MAX_BAR]

unsigned DirectPciDevice::_cfgspace[PCI_CFG_SPACE_DWORDS]

private

unsigned DirectPciDevice::_guestbdf

private

unsigned* DirectPciDevice::_host_irqs

private

unsigned DirectPciDevice::_hostbdf

private

unsigned DirectPciDevice::_irq_count

private

Motherboard& DirectPciDevice::_mb

private

bool DirectPciDevice::_msi_64bit

private

unsigned DirectPciDevice::_msi_cap

private

unsigned DirectPciDevice::_msix_bar

private

unsigned DirectPciDevice::_msix_cap

private

MsiXTableEntry* DirectPciDevice::_msix_host_table

private

MsiXTableEntry* DirectPciDevice::_msix_table

private

bool DirectPciDevice::_vf

private

bool DirectPciDevice::io

unsigned short DirectPciDevice::port

char* DirectPciDevice::ptr

unsigned long DirectPciDevice::size

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

• vancouver/model/pcidirect.cc