📄 comemdrv.h
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//////////////////////////////////////////////////////////////////////
//
// File: comemdrv.h
// $Archive: /ComemL/Host/ComemLif/comemdrv.h $
//
// Purpose:
// this header file contains the IOCTL definitions, structures,
// and status codes used to communicate with the COMEM device
// driver.
//
// Copyright (c) 2002 SEED, Inc. May not be reproduced without
// permission. See the license agreement for more details.
//
//////////////////////////////////////////////////////////////////////
#ifndef __comemdrv_h__
#define __comemdrv_h__
//////////////////////////////////////////////////////////////////////
//
// miscellaneous defines
//
//////////////////////////////////////////////////////////////////////
#define COMEM_Major 1
#define COMEM_Minor 0
#define COMEM_DeviceID UNDEFINED_DEVICE_ID /* this is only needed if we publish API entries for Win16 apps */
#define COMEM_Init_Order UNDEFINED_INIT_ORDER
#define PCI_ENUM_FUNC_GET_DEVICE_INFO 0
#define PCI_ENUM_FUNC_SET_DEVICE_INFO 1
//////////////////////////////////////////////////////////////////////
// Define generic types -- the user may not include win.h
//////////////////////////////////////////////////////////////////////
#ifndef NULL
#define NULL ((void *) 0)
#endif
#ifndef _UCHAR_DEFINED
#define _UCHAR_DEFINED
typedef unsigned char UCHAR;
#endif // !_UCHAR_DEFINED
#ifndef _USHORT_DEFINED
#define _USHORT_DEFINED
typedef unsigned short USHORT;
#endif // !_USHORT_DEFINED
#ifndef _WORD_DEFINED
#define _WORD_DEFINED
typedef unsigned short WORD;
#endif // !_WORD_DEFINED
#ifndef _DWORD_DEFINED
#define _DWORD_DEFINED
typedef unsigned long DWORD;
#endif // !_DWORD_DEFINED
#ifndef _ULONG_DEFINED
#define _ULONG_DEFINED
typedef unsigned long ULONG;
#endif // !_ULONG_DEFINED
#define MAX_FRAGMENTS 16 // Maximum number of fragments permitted in memory map
#define COMEM_MAX_DEVICES 16 // Max number of co-memory devices in a system
#define COMEM_MAX_BARS 1 // Number of Base Address Registers in the PCI config space of co-mem
#ifndef PAGE_SIZE
#define PAGE_SIZE 4096 // Page size in a Windows system
#define VendorId 0x12be
#define DeviceId 0x3042
#endif
#ifndef NO_ERROR
#define NO_ERROR (0)
#endif
#define ERROR_INVALID_REGION (-1)
#define ERROR_INVALID_ADDIN_ADDR (-2)
#define ERROR_OVERLAID_REGION (-3)
#define ERROR_BAD_PAGE_TABLE (-4)
#define ERROR_MEMORY_ALLOC (-5)
#define ERROR_ALLOC_EXISTS (-6)
#define ERROR_NO_DRIVER (-7)
#define ERROR_INVALID_COMEM_ID (-8)
#define ERROR_DEVICE_NOT_FOUND (-9)
#define ERROR_UNKNOWN (-10)
#define FILE_DEVICE_COMEM FILE_DEVICE_UNKNOWN
#define COMEM_IOCTL_INDEX 0x801 // Base value for IOCTLs used here
//////////////////////////////////////////////////////////////////////
//
// IOCTL defines
//
//////////////////////////////////////////////////////////////////////
#define IOCTL_COMEM_GETSTATUS CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+0, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_GETVERSION CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+1, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_GETPCICFG CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+2, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_SETPCICFG CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+3, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_CREATEBARPTR CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+9, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_DESTROYBARPTR CTL_CODE(FILE_DEVICE_COMEM, \
COMEM_IOCTL_INDEX+10, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_ALLOCCONTIGMEM CTL_CODE(FILE_DEVICE_COMEM, \
COMEM_IOCTL_INDEX+11, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_DEALLOCCONTIGMEM CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+12, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_COMEM_INTERRUPSET CTL_CODE(FILE_DEVICE_COMEM , \
COMEM_IOCTL_INDEX+13, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
//////////////////////////////////////////////////////////////////////
//
// structures
//
//////////////////////////////////////////////////////////////////////
// Structure passed into IOCTL_COMEM_GETSTATUS
typedef struct {
DWORD comemID; // A structure must have at least one member
}GetStatusIn;
// Structure passed out of IOCTL_COMEM_GETSTATUS
typedef struct {
DWORD status; // Currently not used -- return 0 for no error
DWORD referenceCount; // Number of handles currently open for this device
} GetStatusOut;
// Structure passed into IOCTL_COMEM_GETPCICFG
typedef struct
{
DWORD ComemId;
} GetPciCfgIn;
// Structure returned by IOCTL_COMEM_GETPCICFG
typedef struct GetPciCfgOut_t
{
USHORT VendorID;
USHORT DeviceID;
USHORT Command;
USHORT Status;
UCHAR RevisionID;
UCHAR ProgIf;
UCHAR SubClass;
UCHAR BaseClass;
UCHAR CacheLineSize;
UCHAR LatencyTimer;
UCHAR HeaderType;
UCHAR BIST;
ULONG BaseAddresses[6];
ULONG CardBusCISPtr;
USHORT SubsystemVendorID;
USHORT SubsystemID;
ULONG ROMBaseAddress;
ULONG Reserved2[2];
UCHAR InterruptLine;
UCHAR InterruptPin;
UCHAR MinimumGrant;
UCHAR MaximumLatency;
DWORD status;
} GetPciCfgOut;
typedef struct _pci_config_header_0_t
{
USHORT VendorID;
USHORT DeviceID;
USHORT Command;
USHORT Status;
UCHAR RevisionID;
UCHAR ProgIf;
UCHAR SubClass;
UCHAR BaseClass;
UCHAR CacheLineSize;
UCHAR LatencyTimer;
UCHAR HeaderType;
UCHAR BIST;
ULONG BaseAddresses[6];
ULONG CardBusCISPtr;
USHORT SubsystemVendorID;
USHORT SubsystemID;
ULONG ROMBaseAddress;
ULONG Reserved2[2];
UCHAR InterruptLine;
UCHAR InterruptPin;
UCHAR MinimumGrant;
UCHAR MaximumLatency;
} PCI_CONFIG_HEADER_0;
// Structure passed into by IOCTL_COMEM_SETPCICFG
typedef struct _SetPciCfgIn
{
USHORT VendorID;
USHORT DeviceID;
USHORT Command;
USHORT Status;
UCHAR RevisionID;
UCHAR ProgIf;
UCHAR SubClass;
UCHAR BaseClass;
UCHAR CacheLineSize;
UCHAR LatencyTimer;
UCHAR HeaderType;
UCHAR BIST;
ULONG BaseAddresses[6];
ULONG CardBusCISPtr;
USHORT SubsystemVendorID;
USHORT SubsystemID;
ULONG ROMBaseAddress;
ULONG Reserved2[2];
UCHAR InterruptLine;
UCHAR InterruptPin;
UCHAR MinimumGrant;
UCHAR MaximumLatency;
DWORD ComemID;
} SetPciCfgIn;
// Output structure to IOCTL_COMEM_DESTROYBARPTR
typedef struct
{
DWORD status;
} AllocMemoryOut, DeallocMemoryOut, SetPciCfgOut,
DestroyLinPtrOut, DestroyBarPtrOut;
// Input structure for IOCTL_COMEM_CREATEBARPTR
typedef struct
{
DWORD comemID;
} CreateLinPtrIn, DestroyLinPtrIn,
DeallocMemoryIn,
CreateBarPtrIn, DestroyBarPtrIn;
// Structure used in internal allocation routines
// Output structure returned by IOCTL_COMEM_CREATELINPTR
typedef struct
{
struct AllocMemoryAllSubStruct
{
DWORD linearAddr;
DWORD physAddr;
DWORD size;
} data[MAX_FRAGMENTS];
DWORD status;
} CreateLinPtrOut, AllocBlockAll;
typedef struct
{
DWORD linBAR[COMEM_MAX_BARS]; // Addresses of comem in user space
DWORD linPage;
DWORD physPage;
DWORD status;
} CreateBarPtrOut;
// input structure to IOCTL_COMEM_ALLOCCONTIGMEM
typedef struct
{
DWORD comemID;
DWORD size; // # of 4K pages (to be used later, currently defaults to 4)
} AllocContigMemIn;
// output structure to IOCTL_COMEM_ALLOCCONTIGMEM
typedef struct
{
DWORD linearAddr;
DWORD physAddr;
DWORD status;
} AllocContigMemOut;
// input structure to IOCTL_COMEM_DEALLOCCONTIGMEM
typedef struct
{
DWORD comemID;
DWORD linearAddr;
DWORD physAddr;
} DeallocContigMemIn;
// output structure to IOCTL_COMEM_DEALLOCCONTIGMEM
typedef struct
{
DWORD status;
} DeallocContigMemOut;
// input structure to IOCTL_COMEM_INTERRUPSET
typedef struct
{
DWORD comemID;
DWORD interrupset;
} InterruptSetIn;
#endif⌨️ 快捷键说明
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