Windows2000/private/ntos/inc/halpnpp.h
2020-09-30 17:12:32 +02:00

93 lines
1.7 KiB
C

/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1998 Microsoft Corporation
Module Name:
halpnpp.h
Abstract:
Private interface from 'legacy' hal to 'PnP' class drivers that support
new functionality
Author:
Mike Gallop (mikeg) April, 1998
Revision History:
*/
#define ISA_FTYPE_DMA_INTERFACE_VERSION 1
#define ISA_DMA_CHANNELS 8
typedef
NTSTATUS
(*PISA_CLAIM_FTYPE_CHANNEL)(
IN PVOID Context,
IN ULONG Channel,
OUT PULONG ChannelInfo
);
typedef
NTSTATUS
(*PISA_RELEASE_FTYPE_CHANNEL)(
IN PVOID Context,
IN ULONG Channel
);
/*++
Routine Description:
This returns information about children to be enumerated by a multifunction
driver.
Arguments:
Context - Context from the ISA_FTYPE_DMA_INTERFACE
Channel - Channel to try and set to F-Type DMA
ChannelInfo - Result of the set. Returns the mask of channels set to F-Type
Return Value:
Status code that indicates whether or not the function was successful.
STATUS_NO_MORE_ENTRIES indicates that the are no more children to enumerate
*/
typedef struct _ISA_FTYPE_DMA_INTERFACE {
// Generic interface header
USHORT Size;
USHORT Version;
PVOID Context;
PINTERFACE_REFERENCE InterfaceReference;
PINTERFACE_DEREFERENCE InterfaceDereference;
PISA_CLAIM_FTYPE_CHANNEL IsaSetFTypeChannel;
PISA_RELEASE_FTYPE_CHANNEL IsaReleaseFTypeChannel;
} ISA_FTYPE_DMA_INTERFACE, *PISA_FTYPE_DMA_INTERFACE;
DEFINE_GUID(GUID_ISA_FDMA_INTERFACE,
0xEFF58E88L, 0xCE6B, 0x11D1, 0x8B, 0xA8, 0x00, 0x00, 0xF8, 0x75, 0x71, 0xD0);
DEFINE_GUID( GUID_FDMA_INTERFACE_PRIVATE,
0x60526D5EL, 0xCF34, 0x11D1, 0x8B, 0xA8, 0x00, 0x00, 0xF8, 0x75, 0x71, 0xD0 );