76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
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/*++
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Copyright (c) 1995-1996 Microsoft Corporation
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Module Name:
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diskarbp.h
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Abstract:
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This module defines the structures that are used
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to perform disk arbitration in clusdisk\ driver
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and resdll\disks disk resource.
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Authors:
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Gor Nishanov (t-gorn) 18-June-1998
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Revision History:
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--*/
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#ifndef _DISK_ARBITRATE_P_
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#define _DISK_ARBITRATE_P_
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#ifndef min
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#define min( a, b ) ((a) <= (b) ? (a) : (b))
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#endif
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typedef struct _START_RESERVE_DATA {
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ULONG DiskSignature;
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ULONG Version;
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ULONG ArbitrationSector;
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ULONG SectorSize;
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USHORT NodeSignatureSize;
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UCHAR NodeSignature[32]; // MAX_COMPUTERNAME_LENGTH + 1
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}
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START_RESERVE_DATA, *PSTART_RESERVE_DATA;
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#define START_RESERVE_DATA_V1_SIG (sizeof(START_RESERVE_DATA))
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typedef struct _ARBITRATION_ID {
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LARGE_INTEGER SystemTime;
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LARGE_INTEGER SeqNo;
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UCHAR NodeSignature[32];
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} ARBITRATION_ID, *PARBITRATION_ID;
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#define RESERVE_TIMER 3 // 3 seconds to perform reserves
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//
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// IOCTL_ARBITRATION_ESCAPE subcodes
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//
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typedef enum {
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AE_TEST,
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AE_READ,
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AE_WRITE,
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AE_POKE,
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AE_RESET,
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AE_RESERVE,
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AE_RELEASE,
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AE_SECTORSIZE
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} ARBITRATION_ESCAPE_SUBCODES;
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typedef struct _ARBITRATION_READ_WRITE_PARAMS {
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ULONG Operation;
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ULONG SectorSize;
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ULONG SectorNo;
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PVOID Buffer;
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ULONG Signature;
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} ARBITRATION_READ_WRITE_PARAMS, * PARBITRATION_READ_WRITE_PARAMS;
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#define ARBITRATION_READ_WRITE_PARAMS_SIZE sizeof(ARBITRATION_READ_WRITE_PARAMS)
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#endif // _DISK_ARBITRATE_P_
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