You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
1.6 KiB
84 lines
1.6 KiB
/*++
|
|
|
|
Copyright (c) 2001 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
pcienum.h
|
|
|
|
Abstract:
|
|
|
|
This module contains support routines for the Pci bus enumeration.
|
|
|
|
Author:
|
|
|
|
Bassam Tabbara (bassamt) 05-Aug-2001
|
|
|
|
|
|
Environment:
|
|
|
|
Real mode
|
|
|
|
--*/
|
|
|
|
|
|
#define PCI_ITERATOR_TO_BUS(i) ((UCHAR)(((i) >> 8) & 0xFF))
|
|
#define PCI_ITERATOR_TO_DEVICE(i) ((UCHAR)(((i) >> 3) & 0x1F))
|
|
#define PCI_ITERATOR_TO_FUNCTION(i) ((UCHAR)((i) & 0x07))
|
|
|
|
#define PCI_TO_ITERATOR(b,d,f) ((ULONG)(0x80000000 | ((b) << 8) | ((d) << 3) | (f)))
|
|
#define PCI_ITERATOR_TO_BUSDEVFUNC(i) ((USHORT)(i & 0xFFFF))
|
|
|
|
//
|
|
// methods
|
|
//
|
|
|
|
ULONG PciReadConfig
|
|
(
|
|
ULONG nDevIt,
|
|
ULONG cbOffset,
|
|
UCHAR * pbBuffer,
|
|
ULONG cbLength
|
|
);
|
|
|
|
ULONG PciWriteConfig
|
|
(
|
|
ULONG nDevIt,
|
|
ULONG cbOffset,
|
|
UCHAR * pbBuffer,
|
|
ULONG cbLength
|
|
);
|
|
|
|
ULONG PciFindDevice
|
|
(
|
|
USHORT nVendorId, // 0 = Wildcard
|
|
USHORT nDeviceId, // 0 = Wildcard
|
|
ULONG nBegDevIt // 0 = begin enumeration
|
|
);
|
|
|
|
BOOLEAN PciInit(PCI_REGISTRY_INFO *pPCIReg);
|
|
|
|
UCHAR PciBiosReadConfig
|
|
(
|
|
ULONG nDevIt,
|
|
UCHAR cbOffset,
|
|
UCHAR * pbBuffer,
|
|
ULONG cbLength
|
|
);
|
|
|
|
ULONG PciBiosFindDevice
|
|
(
|
|
USHORT nVendorId, // 0 = Wildcard
|
|
USHORT nDeviceId, // 0 = Wildcard
|
|
ULONG nBegDevIt // 0 = begin enumeration
|
|
);
|
|
|
|
#ifdef DBG
|
|
extern
|
|
VOID
|
|
ScanPCIViaBIOS(
|
|
PPCI_REGISTRY_INFO pPciEntry
|
|
);
|
|
#endif
|
|
|
|
|