| 1 | /* $Id: dev32.h,v 1.3 1999-10-27 02:02:56 bird Exp $
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| 2 | *
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| 3 | * dev32 - header file for 32-bit part of the driver.
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| 4 | *
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| 5 | * Copyright (c) 1999 knut st. osmundsen
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| 6 | *
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| 7 | */
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| 8 | #ifndef _dev32_h_
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| 9 | #define _dev32_h_
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| 10 |
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| 11 | #ifdef __cplusplus
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| 12 | extern "C" {
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| 13 | #endif
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| 14 |
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| 15 | /*
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| 16 | * Wrapper for declaration from dev1632.h used in this file.
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| 17 | */
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| 18 | #ifndef _dev1632_h_
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| 19 | #define RP32INIT void
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| 20 | #define PKRNLOBJTABLE void *
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| 21 | #endif
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| 22 |
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| 23 | /*
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| 24 | * Defines from reqpkt.h.
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| 25 | */
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| 26 | #define MAX_DISKDD_CMD 29
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| 27 |
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| 28 | #define STERR 0x8000 /* Bit 15 - Error */
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| 29 | #define STINTER 0x0400 /* Bit 10 - Interim character */
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| 30 | #define STBUI 0x0200 /* Bit 9 - Busy */
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| 31 | #define STDON 0x0100 /* Bit 8 - Done */
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| 32 | #define STECODE 0x00FF /* Error code */
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| 33 | #define WRECODE 0x0000
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| 34 |
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| 35 | #define STATUS_DONE 0x0100
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| 36 | #define STATUS_ERR_UNKCMD 0x8003
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| 37 |
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| 38 |
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| 39 | #define RPF_Int13RP 0x01 /* Int 13 Request Packet */
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| 40 | #define RPF_CallOutDone 0x02 /* Int 13 Callout completed */
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| 41 | #define RPF_PktDiskIOTchd 0x04 /* Disk_IO has touched this packet */
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| 42 | #define RPF_CHS_ADDRESSING 0x08 /* CHS Addressing used in RBA field */
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| 43 | #define RPF_Internal 0x10 /* Internal request packet command */
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| 44 | #define RPF_TraceComplete 0x20 /* Trace completion flag */
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| 45 |
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| 46 |
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| 47 | /*
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| 48 | * Function prototypes.
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| 49 | */
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| 50 | #if !defined(__cplusplus) && defined(RING0)
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| 51 | USHORT _loadds _Far32 _Pascal R0Init32(RP32INIT *pRpInit);
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| 52 | USHORT _loadds _Far32 _Pascal GetOTEs32(PKRNLOBJTABLE pOTEBuf);
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| 53 | USHORT _loadds _Far32 _Pascal VerifyProcTab32(void);
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| 54 | #endif
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| 55 | #ifdef _OS2Krnl_h_
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| 56 | PMTE _System GetOS2KrnlMTE(void); /* (devfirst.asm) */
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| 57 | #endif
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| 58 |
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| 59 |
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| 60 | /*
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| 61 | * Global variables
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| 62 | */
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| 63 | extern PULONG pulTKSSBase32;
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| 64 |
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| 65 | /*
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| 66 | * SSToDS( stack pointer )
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| 67 | *
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| 68 | * In RING-0 this translates pointers to stack memory in the
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| 69 | * Stack Segment (SS) to pointers to stack memory in the
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| 70 | * Data Segment (DS). SS is 16-bit compatible, DS is 32-bit flat.
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| 71 | * It is vitally important to use this macro whenever creating
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| 72 | * a pointer to stack memory which don't implies that is a pointer
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| 73 | * relative to SS. For example when passing the pointer to an stack
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| 74 | * variable into an function call; like the addToModule calls.
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| 75 | *
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| 76 | * @returns 32-bit FLAT stack pointer.
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| 77 | */
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| 78 | #ifdef RING0
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| 79 | #define SSToDS(a) ((PVOID)((ULONG)(a) + *pulTKSSBase32))
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| 80 | #else
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| 81 | #define SSToDS(a) ((PVOID)(a))
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| 82 | #endif
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| 83 |
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| 84 | #ifdef __cplusplus
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| 85 | }
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| 86 | #endif
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| 87 |
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| 88 | #endif
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