PCI bus access

The DDE Kit provides exactly one virtual PCI bus.

Functions

Public functions

dde_kit_pci_get_devfn

Get device-function descriptor

Argument
dde_kit_pci_dev * dev Device handle
Return

unsigned char Combined device-function id

dde_kit_pci_init

Initialize PCI subsystem

dde_kit_pci_readb

Read byte from PCI config space

Arguments
int slot Slot number
int func Function number
int pos Offset in config space
dde_kit_uint8_t  * val
Return

int 0 success, -1 otherwise

val

read value

dde_kit_pci_readl

Read dword from PCI config space

Arguments
int slot Slot number
int func Function number
int pos Offset in config space
dde_kit_uint32_t * val
Return

int 0 success, -1 otherwise

val

read value

dde_kit_pci_readw

Read word from PCI config space

Arguments
int slot Slot number
int func Function number
int pos Offset in config space
dde_kit_uint16_t * val
Return

int 0 success, -1 otherwise

val

read value

dde_kit_pci_writeb

Write byte to PCI config space

Arguments
int slot Slot numer
int func Function number
int pos Offset in config space
dde_kit_uint8_t val Value to write
Return

int 0 success, -1 otherwise

dde_kit_pci_writel

Write dword to PCI config space.

Arguments
int slot Slot numer
int func Function number
int pos Offset in config space
dde_kit_uint32_t  val Value to write
Return

int 0 success, -1 otherwise

dde_kit_pci_writew

Write word to PCI config space

Arguments
int slot Slot numer
int func Function number
int pos Offset in config space
dde_kit_uint16_t  val Value to write
Return

int 0 success, -1 otherwise

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