Locates the offset in PCI configuration space of a capability record for a PCI device.

BYTE PciFIndCapability(
    PCIDEV *pPciDevice, 
    BYTE byCapType
);

Parameters

pPciDevice

A pointer to a PCIDEV structure returned from a prior call to PciFIndDevice, PciFindClass or PciReadHeader.

byCapType

A PCI capability ID value, as defined by the PCI bus specifications. Suitable values include the following:

PCI_CAP_ID_PM	Power management
PCI_CAP_ID_AGP	Accelerated Graphics Port
PCI_CAP_ID_VPD	Vital Product Data
PCI_CAP_ID_SLOTID	Slot Identification
PCI_CAP_ID_MSI	Message Signalled Interrupts
PCI_CAP_ID_CHSWP	CompactPCI HotSwap
PCI_CAP_ID_PCIX	PCI-X
PCI_CAP_ID_SHPC	PCI Standard Hot-plug controller
PCI_CAP_ID_EXP	PCI Express
PCI_CAP_ID_MSIX	MSI-X

Return Values

A non-zero BYTE value representing the offset in the device header to the capability record.

Success.

0 (zero)

Failure.

Requirements