| 1 | /* $Id: d32Win32kIOCtl.c,v 1.7 2001-02-21 07:44:57 bird Exp $
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| 2 | *
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| 3 | * Win32k driver IOCtl handler function.
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| 4 | *
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| 5 | * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 | /*******************************************************************************
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| 11 | * Defined Constants And Macros *
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| 12 | *******************************************************************************/
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| 13 | #define MAX_PARAMSIZE 64 /* Maximum size of a parameter structure. */
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| 14 |
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| 15 | #define INCL_DOSERRORS
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| 16 | #define INCL_NOPMAPI
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| 17 | #define INCL_OS2KRNL_TK
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| 18 |
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| 19 | #define NO_WIN32K_LIB_FUNCTIONS
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| 20 |
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| 21 |
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| 22 | /*******************************************************************************
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| 23 | * Header Files *
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| 24 | *******************************************************************************/
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| 25 | #include <os2.h>
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| 26 |
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| 27 | #include "devSegDf.h"
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| 28 | #include "dev1632.h"
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| 29 | #include "dev32.h"
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| 30 | #include "OS2Krnl.h"
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| 31 | #include "Win32k.h"
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| 32 | #include "k32.h"
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| 33 | #include "log.h"
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| 34 | #include "asmutils.h"
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| 35 |
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| 36 |
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| 37 | /*******************************************************************************
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| 38 | * Internal Functions *
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| 39 | *******************************************************************************/
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| 40 | APIRET _Optlink Win32kAPIRouter(ULONG ulFunction, PVOID pvParam); /* implemented in d32CallGate.asm. */
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| 41 |
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| 42 |
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| 43 | /**
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| 44 | * IOCtl handler for the Win32k part of the driver.
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| 45 | * @returns Gen IOCtl return code.
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| 46 | * @param pRpIOCtl Pointer to 32-bit request packet. (not to the original packet)
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| 47 | * @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 48 | */
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| 49 | USHORT _loadds _Far32 _Pascal Win32kIOCtl(PRP32GENIOCTL pRpIOCtl)
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| 50 | {
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| 51 | /* validate parameter pointer */
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| 52 | if (pRpIOCtl == NULL || pRpIOCtl->ParmPacket == NULL
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| 53 | || pRpIOCtl->Function == 0 || pRpIOCtl->Function > K32_LASTIOCTLFUNCTION)
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| 54 | return STATUS_DONE | STERR | ERROR_I24_INVALID_PARAMETER;
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| 55 |
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| 56 | switch (pRpIOCtl->Category)
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| 57 | {
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| 58 | case IOCTL_W32K_K32:
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| 59 | {
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| 60 | APIRET rc = Win32kAPIRouter(pRpIOCtl->Function, pRpIOCtl->ParmPacket);
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| 61 | if ( rc != 0xdeadbeefUL
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| 62 | && TKSuULongNF(&((PK32HDR)pRpIOCtl->ParmPacket)->rc, SSToDS(&rc)) == NO_ERROR)
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| 63 | return STATUS_DONE; /* Successfull return */
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| 64 | break;
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | return STATUS_DONE | STERR | ERROR_I24_INVALID_PARAMETER;
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| 69 | }
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