win32/device.c

   1 /*
   2  * Win32 device functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 1998 Ulrich Weigand
   6  * Copyright 1998 Patrik Stridvall
   7  *
   8  */
   9
  10 #include "config.h"
  11
  12 #include <errno.h>
  13 #include <assert.h>
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16 #include <sys/types.h>
  17 #include <sys/stat.h>
  18 #ifdef HAVE_SYS_MMAN_H
  19 #include <sys/mman.h>
  20 #endif
  21 #include <fcntl.h>
  22 #include <string.h>
  23 #include <stdarg.h>
  24 #include <time.h>
  25 #include "windef.h"
  26 #include "wingdi.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "winerror.h"
  31 #include "winversion.h"
  32 #include "file.h"
  33 #include "process.h"
  34 #include "heap.h"
  35 #include "winioctl.h"
  36 #include "winnt.h"
  37 #include "msdos.h"
  38 #include "miscemu.h"
  39 #include "stackframe.h"
  40 #include "server.h"
  41 #include "debugtools.h"
  42 #include "global.h"
  43
  44 DEFAULT_DEBUG_CHANNEL(win32);
  45
  46
  47 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode,
  48                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  49                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  50                               LPDWORD lpcbBytesReturned,
  51                               LPOVERLAPPED lpOverlapped);
  52 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
  53                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  54                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  55                               LPDWORD lpcbBytesReturned,
  56                               LPOVERLAPPED lpOverlapped);
  57 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
  58                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  59                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  60                               LPDWORD lpcbBytesReturned,
  61                               LPOVERLAPPED lpOverlapped);
  62
  63 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context );
  64
  65 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode,
  66                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  67                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  68                               LPDWORD lpcbBytesReturned,
  69                               LPOVERLAPPED lpOverlapped);
  70
  71 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context );
  72
  73 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
  74                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  75                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  76                               LPDWORD lpcbBytesReturned,
  77                               LPOVERLAPPED lpOverlapped);
  78
  79 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
  80                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  81                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  82                               LPDWORD lpcbBytesReturned,
  83                               LPOVERLAPPED lpOverlapped);
  84 /*
  85  * VxD names are taken from the Win95 DDK
  86  */
  87
  88 struct VxDInfo
  89 {
  90     LPCSTR  name;
  91     WORD    id;
  92     DWORD (*vxdcall)(DWORD, CONTEXT86 *);
  93     BOOL  (*deviceio)(DWORD, LPVOID, DWORD,
  94                         LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
  95 };
  96
  97 static const struct VxDInfo VxDList[] =
  98 {
  99     /* Standard VxD IDs */
 100     { "VMM",      0x0001, VxDCall_VMM, NULL },
 101     { "DEBUG",    0x0002, NULL, NULL },
 102     { "VPICD",    0x0003, NULL, NULL },
 103     { "VDMAD",    0x0004, NULL, NULL },
 104     { "VTD",      0x0005, NULL, NULL },
 105     { "V86MMGR",  0x0006, NULL, NULL },
 106     { "PAGESWAP", 0x0007, NULL, NULL },
 107     { "PARITY",   0x0008, NULL, NULL },
 108     { "REBOOT",   0x0009, NULL, NULL },
 109     { "VDD",      0x000A, NULL, NULL },
 110     { "VSD",      0x000B, NULL, NULL },
 111     { "VMD",      0x000C, NULL, NULL },
 112     { "VKD",      0x000D, NULL, NULL },
 113     { "VCD",      0x000E, NULL, NULL },
 114     { "VPD",      0x000F, NULL, NULL },
 115     { "BLOCKDEV", 0x0010, NULL, NULL },
 116     { "VMCPD",    0x0011, NULL, NULL },
 117     { "EBIOS",    0x0012, NULL, NULL },
 118     { "BIOSXLAT", 0x0013, NULL, NULL },
 119     { "VNETBIOS", 0x0014, NULL, NULL },
 120     { "DOSMGR",   0x0015, NULL, NULL },
 121     { "WINLOAD",  0x0016, NULL, NULL },
 122     { "SHELL",    0x0017, NULL, NULL },
 123     { "VMPOLL",   0x0018, NULL, NULL },
 124     { "VPROD",    0x0019, NULL, NULL },
 125     { "DOSNET",   0x001A, NULL, NULL },
 126     { "VFD",      0x001B, NULL, NULL },
 127     { "VDD2",     0x001C, NULL, NULL },
 128     { "WINDEBUG", 0x001D, NULL, NULL },
 129     { "TSRLOAD",  0x001E, NULL, NULL },
 130     { "BIOSHOOK", 0x001F, NULL, NULL },
 131     { "INT13",    0x0020, NULL, NULL },
 132     { "PAGEFILE", 0x0021, NULL, NULL },
 133     { "SCSI",     0x0022, NULL, NULL },
 134     { "MCA_POS",  0x0023, NULL, NULL },
 135     { "SCSIFD",   0x0024, NULL, NULL },
 136     { "VPEND",    0x0025, NULL, NULL },
 137     { "VPOWERD",  0x0026, NULL, NULL },
 138     { "VXDLDR",   0x0027, NULL, NULL },
 139     { "NDIS",     0x0028, NULL, NULL },
 140     { "BIOS_EXT", 0x0029, NULL, NULL },
 141     { "VWIN32",   0x002A, VxDCall_VWin32, DeviceIo_VWin32 },
 142     { "VCOMM",    0x002B, NULL, NULL },
 143     { "SPOOLER",  0x002C, NULL, NULL },
 144     { "WIN32S",   0x002D, NULL, NULL },
 145     { "DEBUGCMD", 0x002E, NULL, NULL },
 146
 147     { "VNB",      0x0031, NULL, NULL },
 148     { "SERVER",   0x0032, NULL, NULL },
 149     { "CONFIGMG", 0x0033, NULL, NULL },
 150     { "DWCFGMG",  0x0034, NULL, NULL },
 151     { "SCSIPORT", 0x0035, NULL, NULL },
 152     { "VFBACKUP", 0x0036, NULL, NULL },
 153     { "ENABLE",   0x0037, NULL, NULL },
 154     { "VCOND",    0x0038, NULL, NULL },
 155
 156     { "EFAX",     0x003A, NULL, NULL },
 157     { "DSVXD",    0x003B, NULL, NULL },
 158     { "ISAPNP",   0x003C, NULL, NULL },
 159     { "BIOS",     0x003D, NULL, NULL },
 160     { "WINSOCK",  0x003E, NULL, NULL },
 161     { "WSOCK",    0x003E, NULL, NULL },
 162     { "WSIPX",    0x003F, NULL, NULL },
 163     { "IFSMgr",   0x0040, NULL, DeviceIo_IFSMgr },
 164     { "VCDFSD",   0x0041, NULL, NULL },
 165     { "MRCI2",    0x0042, NULL, NULL },
 166     { "PCI",      0x0043, NULL, NULL },
 167     { "PELOADER", 0x0044, NULL, NULL },
 168     { "EISA",     0x0045, NULL, NULL },
 169     { "DRAGCLI",  0x0046, NULL, NULL },
 170     { "DRAGSRV",  0x0047, NULL, NULL },
 171     { "PERF",     0x0048, NULL, NULL },
 172     { "AWREDIR",  0x0049, NULL, NULL },
 173
 174     /* Far East support */
 175     { "ETEN",     0x0060, NULL, NULL },
 176     { "CHBIOS",   0x0061, NULL, NULL },
 177     { "VMSGD",    0x0062, NULL, NULL },
 178     { "VPPID",    0x0063, NULL, NULL },
 179     { "VIME",     0x0064, NULL, NULL },
 180     { "VHBIOSD",  0x0065, NULL, NULL },
 181
 182     /* Multimedia OEM IDs */
 183     { "VTDAPI",   0x0442, NULL, DeviceIo_VTDAPI },
 184     { "MMDEVLDR", 0x044A, NULL, DeviceIo_MMDEVLDR },
 185
 186     /* Network Device IDs */
 187     { "VNetSup",  0x0480, NULL, NULL },
 188     { "VRedir",   0x0481, NULL, NULL },
 189     { "VBrowse",  0x0482, NULL, NULL },
 190     { "VSHARE",   0x0483, NULL, NULL },
 191     { "IFSMgr",   0x0484, NULL, NULL },
 192     { "MEMPROBE", 0x0485, NULL, NULL },
 193     { "VFAT",     0x0486, NULL, NULL },
 194     { "NWLINK",   0x0487, NULL, NULL },
 195     { "VNWLINK",  0x0487, NULL, NULL },
 196     { "NWSUP",    0x0487, NULL, NULL },
 197     { "VTDI",     0x0488, NULL, NULL },
 198     { "VIP",      0x0489, NULL, NULL },
 199     { "VTCP",     0x048A, NULL, NULL },
 200     { "VCache",   0x048B, NULL, NULL },
 201     { "VUDP",     0x048C, NULL, NULL },
 202     { "VAsync",   0x048D, NULL, NULL },
 203     { "NWREDIR",  0x048E, NULL, NULL },
 204     { "STAT80",   0x048F, NULL, NULL },
 205     { "SCSIPORT", 0x0490, NULL, NULL },
 206     { "FILESEC",  0x0491, NULL, NULL },
 207     { "NWSERVER", 0x0492, NULL, NULL },
 208     { "SECPROV",  0x0493, NULL, NULL },
 209     { "NSCL",     0x0494, NULL, NULL },
 210     { "WSTCP",    0x0495, NULL, NULL },
 211     { "NDIS2SUP", 0x0496, NULL, NULL },
 212     { "MSODISUP", 0x0497, NULL, NULL },
 213     { "Splitter", 0x0498, NULL, NULL },
 214     { "PPP",      0x0499, NULL, NULL },
 215     { "VDHCP",    0x049A, NULL, NULL },
 216     { "VNBT",     0x049B, NULL, NULL },
 217     { "LOGGER",   0x049D, NULL, NULL },
 218     { "EFILTER",  0x049E, NULL, NULL },
 219     { "FFILTER",  0x049F, NULL, NULL },
 220     { "TFILTER",  0x04A0, NULL, NULL },
 221     { "AFILTER",  0x04A1, NULL, NULL },
 222     { "IRLAMP",   0x04A2, NULL, NULL },
 223
 224     { "PCCARD",   0x097C, NULL, DeviceIo_PCCARD },
 225
 226     /* WINE additions, ids unknown */
 227     { "MONODEBG.VXD", 0x4242, NULL, DeviceIo_MONODEBG },
 228
 229     { NULL,       0,      NULL, NULL }
 230 };
 231
 232 /*
 233  * VMM VxDCall service names are (mostly) taken from Stan Mitchell's
 234  * "Inside the Windows 95 File System"
 235  */
 236
 237 #define N_VMM_SERVICE 41
 238
 239 LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
 240 {
 241     "PageReserve",            /* 0x0000 */
 242     "PageCommit",             /* 0x0001 */
 243     "PageDecommit",           /* 0x0002 */
 244     "PagerRegister",          /* 0x0003 */
 245     "PagerQuery",             /* 0x0004 */
 246     "HeapAllocate",           /* 0x0005 */
 247     "ContextCreate",          /* 0x0006 */
 248     "ContextDestroy",         /* 0x0007 */
 249     "PageAttach",             /* 0x0008 */
 250     "PageFlush",              /* 0x0009 */
 251     "PageFree",               /* 0x000A */
 252     "ContextSwitch",          /* 0x000B */
 253     "HeapReAllocate",         /* 0x000C */
 254     "PageModifyPermissions",  /* 0x000D */
 255     "PageQuery",              /* 0x000E */
 256     "GetCurrentContext",      /* 0x000F */
 257     "HeapFree",               /* 0x0010 */
 258     "RegOpenKey",             /* 0x0011 */
 259     "RegCreateKey",           /* 0x0012 */
 260     "RegCloseKey",            /* 0x0013 */
 261     "RegDeleteKey",           /* 0x0014 */
 262     "RegSetValue",            /* 0x0015 */
 263     "RegDeleteValue",         /* 0x0016 */
 264     "RegQueryValue",          /* 0x0017 */
 265     "RegEnumKey",             /* 0x0018 */
 266     "RegEnumValue",           /* 0x0019 */
 267     "RegQueryValueEx",        /* 0x001A */
 268     "RegSetValueEx",          /* 0x001B */
 269     "RegFlushKey",            /* 0x001C */
 270     "RegQueryInfoKey",        /* 0x001D */
 271     "GetDemandPageInfo",      /* 0x001E */
 272     "BlockOnID",              /* 0x001F */
 273     "SignalID",               /* 0x0020 */
 274     "RegLoadKey",             /* 0x0021 */
 275     "RegUnLoadKey",           /* 0x0022 */
 276     "RegSaveKey",             /* 0x0023 */
 277     "RegRemapPreDefKey",      /* 0x0024 */
 278     "PageChangePager",        /* 0x0025 */
 279     "RegQueryMultipleValues", /* 0x0026 */
 280     "RegReplaceKey",          /* 0x0027 */
 281     "<KERNEL32.101>"          /* 0x0028 -- What does this do??? */
 282 };
 283
 284 /* PageReserve arena values */
 285 #define PR_PRIVATE  0x80000400  /* anywhere in private arena */
 286 #define PR_SHARED   0x80060000  /* anywhere in shared arena */
 287 #define PR_SYSTEM   0x80080000  /* anywhere in system arena */
 288
 289 /* PageReserve flags */
 290 #define PR_FIXED    0x00000008  /* don't move during PageReAllocate */
 291 #define PR_4MEG     0x00000001  /* allocate on 4mb boundary */
 292 #define PR_STATIC   0x00000010  /* see PageReserve documentation */
 293
 294 /* PageCommit default pager handle values */
 295 #define PD_ZEROINIT 0x00000001  /* swappable zero-initialized pages */
 296 #define PD_NOINIT   0x00000002  /* swappable uninitialized pages */
 297 #define PD_FIXEDZERO    0x00000003  /* fixed zero-initialized pages */
 298 #define PD_FIXED    0x00000004  /* fixed uninitialized pages */
 299
 300 /* PageCommit flags */
 301 #define PC_FIXED    0x00000008  /* pages are permanently locked */
 302 #define PC_LOCKED   0x00000080  /* pages are made present and locked*/
 303 #define PC_LOCKEDIFDP   0x00000100  /* pages are locked if swap via DOS */
 304 #define PC_WRITEABLE    0x00020000  /* make the pages writeable */
 305 #define PC_USER     0x00040000  /* make the pages ring 3 accessible */
 306 #define PC_INCR     0x40000000  /* increment "pagerdata" each page */
 307 #define PC_PRESENT  0x80000000  /* make pages initially present */
 308 #define PC_STATIC   0x20000000  /* allow commit in PR_STATIC object */
 309 #define PC_DIRTY    0x08000000  /* make pages initially dirty */
 310 #define PC_CACHEDIS 0x00100000  /* Allocate uncached pages - new for WDM */
 311 #define PC_CACHEWT  0x00080000  /* Allocate write through cache pages - new for WDM */
 312 #define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
 313
 314 /* PageCommitContig additional flags */
 315 #define PCC_ZEROINIT    0x00000001  /* zero-initialize new pages */
 316 #define PCC_NOLIN   0x10000000  /* don't map to any linear address */
 317
 318
 319
 320 HANDLE DEVICE_Open( LPCSTR filename, DWORD access,
 321                       LPSECURITY_ATTRIBUTES sa )
 322 {
 323     const struct VxDInfo *info;
 324
 325     for (info = VxDList; info->name; info++)
 326         if (!lstrcmpiA( info->name, filename ))
 327             return FILE_CreateDevice( info->id | 0x10000, access, sa );
 328
 329     FIXME( "Unknown VxD %s\n", filename);
 330     SetLastError( ERROR_FILE_NOT_FOUND );
 331     return HFILE_ERROR;
 332 }
 333
 334 static const struct VxDInfo *DEVICE_GetInfo( HANDLE handle )
 335 {
 336     struct get_file_info_request *req = get_req_buffer();
 337
 338     req->handle = handle;
 339     if (!server_call( REQ_GET_FILE_INFO ) &&
 340         (req->type == FILE_TYPE_UNKNOWN) &&
 341         (req->attr & 0x10000))
 342     {
 343         const struct VxDInfo *info;
 344         for (info = VxDList; info->name; info++)
 345             if (info->id == LOWORD(req->attr)) return info;
 346     }
 347     return NULL;
 348 }
 349
 350 /****************************************************************************
 351  *              DeviceIoControl (KERNEL32.188)
 352  * This is one of those big ugly nasty procedure which can do
 353  * a million and one things when it comes to devices. It can also be
 354  * used for VxD communication.
 355  *
 356  * A return value of FALSE indicates that something has gone wrong which
 357  * GetLastError can decypher.
 358  */
 359 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
 360                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 361                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 362                               LPDWORD lpcbBytesReturned,
 363                               LPOVERLAPPED lpOverlapped)
 364 {
 365         const struct VxDInfo *info;
 366
 367         TRACE( "(%d,%ld,%p,%ld,%p,%ld,%p,%p)\n",
 368                hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
 369                lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped  );
 370
 371         if (!(info = DEVICE_GetInfo( hDevice )))
 372         {
 373                 SetLastError( ERROR_INVALID_PARAMETER );
 374                 return FALSE;
 375         }
 376
 377         /* Check if this is a user defined control code for a VxD */
 378         if( HIWORD( dwIoControlCode ) == 0 )
 379         {
 380                 if ( info->deviceio )
 381                 {
 382                         return info->deviceio( dwIoControlCode,
 383                                         lpvInBuffer, cbInBuffer,
 384                                         lpvOutBuffer, cbOutBuffer,
 385                                         lpcbBytesReturned, lpOverlapped );
 386                 }
 387                 else
 388                 {
 389                         /* FIXME: Set appropriate error */
 390                         FIXME( "Unimplemented control %ld for VxD device %s\n",
 391                                dwIoControlCode, info->name ? info->name : "???" );
 392                 }
 393         }
 394         else
 395         {
 396                 switch( dwIoControlCode )
 397                 {
 398                 case FSCTL_DELETE_REPARSE_POINT:
 399                 case FSCTL_DISMOUNT_VOLUME:
 400                 case FSCTL_GET_COMPRESSION:
 401                 case FSCTL_GET_REPARSE_POINT:
 402                 case FSCTL_LOCK_VOLUME:
 403                 case FSCTL_QUERY_ALLOCATED_RANGES:
 404                 case FSCTL_SET_COMPRESSION:
 405                 case FSCTL_SET_REPARSE_POINT:
 406                 case FSCTL_SET_SPARSE:
 407                 case FSCTL_SET_ZERO_DATA:
 408                 case FSCTL_UNLOCK_VOLUME:
 409                 case IOCTL_DISK_CHECK_VERIFY:
 410                 case IOCTL_DISK_EJECT_MEDIA:
 411                 case IOCTL_DISK_FORMAT_TRACKS:
 412                 case IOCTL_DISK_GET_DRIVE_GEOMETRY:
 413                 case IOCTL_DISK_GET_DRIVE_LAYOUT:
 414                 case IOCTL_DISK_GET_MEDIA_TYPES:
 415                 case IOCTL_DISK_GET_PARTITION_INFO:
 416                 case IOCTL_DISK_LOAD_MEDIA:
 417                 case IOCTL_DISK_MEDIA_REMOVAL:
 418                 case IOCTL_DISK_PERFORMANCE:
 419                 case IOCTL_DISK_REASSIGN_BLOCKS:
 420                 case IOCTL_DISK_SET_DRIVE_LAYOUT:
 421                 case IOCTL_DISK_SET_PARTITION_INFO:
 422                 case IOCTL_DISK_VERIFY:
 423                 case IOCTL_SERIAL_LSRMST_INSERT:
 424                 case IOCTL_STORAGE_CHECK_VERIFY:
 425                 case IOCTL_STORAGE_EJECT_MEDIA:
 426                 case IOCTL_STORAGE_GET_MEDIA_TYPES:
 427                 case IOCTL_STORAGE_LOAD_MEDIA:
 428                 case IOCTL_STORAGE_MEDIA_REMOVAL:
 429                         FIXME( "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
 430                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 431                         return FALSE;
 432                         break;
 433                 default:
 434                         FIXME( "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
 435                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 436                         return FALSE;
 437                         break;
 438                 }
 439         }
 440         return FALSE;
 441 }
 442
 443 /***********************************************************************
 444  *           DeviceIo_VTDAPI
 445  */
 446 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 447                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 448                               LPDWORD lpcbBytesReturned,
 449                               LPOVERLAPPED lpOverlapped)
 450 {
 451     BOOL retv = TRUE;
 452
 453     switch (dwIoControlCode)
 454     {
 455     case 5:
 456         if (lpvOutBuffer && (cbOutBuffer>=4))
 457             *(DWORD*)lpvOutBuffer = GetTickCount();
 458
 459         if (lpcbBytesReturned)
 460             *lpcbBytesReturned = 4;
 461
 462         break;
 463
 464     default:
 465         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 466         retv = FALSE;
 467         break;
 468     }
 469
 470     return retv;
 471 }
 472
 473
 474
 475
 476
 477 /***********************************************************************
 478  *           VxDCall                   (KERNEL32.[1-9])
 479  */
 480 void VxDCall( DWORD service, CONTEXT86 *context )
 481 {
 482     DWORD ret = 0xffffffff; /* FIXME */
 483     int i;
 484
 485     TRACE( "(%08lx, ...)\n", service);
 486
 487     for (i = 0; VxDList[i].name; i++)
 488         if (VxDList[i].id == HIWORD(service))
 489             break;
 490
 491     if (!VxDList[i].name)
 492         FIXME( "Unknown VxD (%08lx)\n", service);
 493     else if (!VxDList[i].vxdcall)
 494         FIXME( "Unimplemented VxD (%08lx)\n", service);
 495     else
 496         ret = VxDList[i].vxdcall( service, context );
 497
 498     EAX_reg( context ) = ret;
 499 }
 500
 501
 502 /***********************************************************************
 503  *           VxDCall_VMM
 504  */
 505 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
 506 {
 507     switch ( LOWORD(service) )
 508     {
 509     case 0x0011:  /* RegOpenKey */
 510     {
 511         HKEY    hkey       = (HKEY)  stack32_pop( context );
 512         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 513         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 514         return RegOpenKeyA( hkey, lpszSubKey, retkey );
 515     }
 516
 517     case 0x0012:  /* RegCreateKey */
 518     {
 519         HKEY    hkey       = (HKEY)  stack32_pop( context );
 520         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 521         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 522         return RegCreateKeyA( hkey, lpszSubKey, retkey );
 523     }
 524
 525     case 0x0013:  /* RegCloseKey */
 526     {
 527         HKEY    hkey       = (HKEY)stack32_pop( context );
 528         return RegCloseKey( hkey );
 529     }
 530
 531     case 0x0014:  /* RegDeleteKey */
 532     {
 533         HKEY    hkey       = (HKEY)  stack32_pop( context );
 534         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 535         return RegDeleteKeyA( hkey, lpszSubKey );
 536     }
 537
 538     case 0x0015:  /* RegSetValue */
 539     {
 540         HKEY    hkey       = (HKEY)  stack32_pop( context );
 541         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 542         DWORD   dwType     = (DWORD) stack32_pop( context );
 543         LPCSTR  lpszData   = (LPCSTR)stack32_pop( context );
 544         DWORD   cbData     = (DWORD) stack32_pop( context );
 545         return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
 546     }
 547
 548     case 0x0016:  /* RegDeleteValue */
 549     {
 550         HKEY    hkey       = (HKEY) stack32_pop( context );
 551         LPSTR   lpszValue  = (LPSTR)stack32_pop( context );
 552         return RegDeleteValueA( hkey, lpszValue );
 553     }
 554
 555     case 0x0017:  /* RegQueryValue */
 556     {
 557         HKEY    hkey       = (HKEY)   stack32_pop( context );
 558         LPSTR   lpszSubKey = (LPSTR)  stack32_pop( context );
 559         LPSTR   lpszData   = (LPSTR)  stack32_pop( context );
 560         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 561         return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
 562     }
 563
 564     case 0x0018:  /* RegEnumKey */
 565     {
 566         HKEY    hkey       = (HKEY) stack32_pop( context );
 567         DWORD   iSubkey    = (DWORD)stack32_pop( context );
 568         LPSTR   lpszName   = (LPSTR)stack32_pop( context );
 569         DWORD   lpcchName  = (DWORD)stack32_pop( context );
 570         return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
 571     }
 572
 573     case 0x0019:  /* RegEnumValue */
 574     {
 575         HKEY    hkey       = (HKEY)   stack32_pop( context );
 576         DWORD   iValue     = (DWORD)  stack32_pop( context );
 577         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 578         LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
 579         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 580         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 581         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 582         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 583         return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
 584                               lpReserved, lpdwType, lpbData, lpcbData );
 585     }
 586
 587     case 0x001A:  /* RegQueryValueEx */
 588     {
 589         HKEY    hkey       = (HKEY)   stack32_pop( context );
 590         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 591         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 592         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 593         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 594         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 595         return RegQueryValueExA( hkey, lpszValue, lpReserved,
 596                                  lpdwType, lpbData, lpcbData );
 597     }
 598
 599     case 0x001B:  /* RegSetValueEx */
 600     {
 601         HKEY    hkey       = (HKEY)  stack32_pop( context );
 602         LPSTR   lpszValue  = (LPSTR) stack32_pop( context );
 603         DWORD   dwReserved = (DWORD) stack32_pop( context );
 604         DWORD   dwType     = (DWORD) stack32_pop( context );
 605         LPBYTE  lpbData    = (LPBYTE)stack32_pop( context );
 606         DWORD   cbData     = (DWORD) stack32_pop( context );
 607         return RegSetValueExA( hkey, lpszValue, dwReserved,
 608                                dwType, lpbData, cbData );
 609     }
 610
 611     case 0x001C:  /* RegFlushKey */
 612     {
 613         HKEY    hkey       = (HKEY)stack32_pop( context );
 614         return RegFlushKey( hkey );
 615     }
 616
 617     case 0x001D:  /* RegQueryInfoKey */
 618     {
 619         /* NOTE: This VxDCall takes only a subset of the parameters that the
 620                  corresponding Win32 API call does. The implementation in Win95
 621                  ADVAPI32 sets all output parameters not mentioned here to zero. */
 622
 623         HKEY    hkey              = (HKEY)   stack32_pop( context );
 624         LPDWORD lpcSubKeys        = (LPDWORD)stack32_pop( context );
 625         LPDWORD lpcchMaxSubKey    = (LPDWORD)stack32_pop( context );
 626         LPDWORD lpcValues         = (LPDWORD)stack32_pop( context );
 627         LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
 628         LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
 629         return RegQueryInfoKeyA( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey,
 630                                  NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData,
 631                                  NULL, NULL );
 632     }
 633
 634     case 0x0021:  /* RegLoadKey */
 635     {
 636         HKEY    hkey       = (HKEY)  stack32_pop( context );
 637         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 638         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 639         return RegLoadKeyA( hkey, lpszSubKey, lpszFile );
 640     }
 641
 642     case 0x0022:  /* RegUnLoadKey */
 643     {
 644         HKEY    hkey       = (HKEY)  stack32_pop( context );
 645         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 646         return RegUnLoadKeyA( hkey, lpszSubKey );
 647     }
 648
 649     case 0x0023:  /* RegSaveKey */
 650     {
 651         HKEY    hkey       = (HKEY)  stack32_pop( context );
 652         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 653         LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
 654         return RegSaveKeyA( hkey, lpszFile, sa );
 655     }
 656
 657 #if 0 /* Functions are not yet implemented in misc/registry.c */
 658     case 0x0024:  /* RegRemapPreDefKey */
 659     case 0x0026:  /* RegQueryMultipleValues */
 660 #endif
 661
 662     case 0x0027:  /* RegReplaceKey */
 663     {
 664         HKEY    hkey       = (HKEY)  stack32_pop( context );
 665         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 666         LPCSTR  lpszNewFile= (LPCSTR)stack32_pop( context );
 667         LPCSTR  lpszOldFile= (LPCSTR)stack32_pop( context );
 668         return RegReplaceKeyA( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
 669     }
 670     case 0x0000: /* PageReserve */
 671       {
 672         LPVOID address;
 673         LPVOID ret;
 674         DWORD psize = VIRTUAL_GetPageSize();
 675         ULONG page   = (ULONG) stack32_pop( context );
 676         ULONG npages = (ULONG) stack32_pop( context );
 677         ULONG flags  = (ULONG) stack32_pop( context );
 678
 679         FIXME("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
 680               page, npages, flags );
 681
 682         if ( page == PR_SYSTEM ) {
 683           ERR("Can't reserve ring 1 memory\n");
 684           return -1;
 685         }
 686         /* FIXME: This has to be handled seperatly, when we have seperate
 687            address-spaces */
 688         if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
 689         /* FIXME: Handle flags in some way */
 690         address = (LPVOID )(page * psize);
 691         ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
 692         FIXME("PageReserve: returning: %08lx\n", (DWORD )ret );
 693         if ( ret == NULL )
 694           return -1;
 695         else
 696           return (DWORD )ret;
 697       }
 698
 699     case 0x0001: /* PageCommit */
 700       {
 701         LPVOID address;
 702         LPVOID ret;
 703         DWORD virt_perm;
 704         DWORD psize = VIRTUAL_GetPageSize();
 705         ULONG page   = (ULONG) stack32_pop( context );
 706         ULONG npages = (ULONG) stack32_pop( context );
 707         ULONG hpd  = (ULONG) stack32_pop( context );
 708         ULONG pagerdata   = (ULONG) stack32_pop( context );
 709         ULONG flags  = (ULONG) stack32_pop( context );
 710
 711         FIXME("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
 712               "%08lx, flags: %08lx partial stub\n",
 713               page, npages, hpd, pagerdata, flags );
 714
 715         if ( flags & PC_USER )
 716           if ( flags & PC_WRITEABLE )
 717             virt_perm = PAGE_EXECUTE_READWRITE;
 718           else
 719             virt_perm = PAGE_EXECUTE_READ;
 720         else
 721           virt_perm = PAGE_NOACCESS;
 722
 723         address = (LPVOID )(page * psize);
 724         ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
 725         FIXME("PageCommit: Returning: %08lx\n", (DWORD )ret );
 726         return (DWORD )ret;
 727
 728       }
 729     case 0x0002: /* PageDecommit */
 730       {
 731         LPVOID address;
 732         BOOL ret;
 733         DWORD psize = VIRTUAL_GetPageSize();
 734         ULONG page = (ULONG) stack32_pop( context );
 735         ULONG npages = (ULONG) stack32_pop( context );
 736         ULONG flags = (ULONG) stack32_pop( context );
 737
 738         FIXME("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
 739               page, npages, flags );
 740         address = (LPVOID )( page * psize );
 741         ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
 742         FIXME("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
 743         return ret;
 744       }
 745     case 0x000d: /* PageModifyPermissions */
 746       {
 747         DWORD pg_old_perm;
 748         DWORD pg_new_perm;
 749         DWORD virt_old_perm;
 750         DWORD virt_new_perm;
 751         MEMORY_BASIC_INFORMATION mbi;
 752         LPVOID address;
 753         DWORD psize = VIRTUAL_GetPageSize();
 754         ULONG page = stack32_pop ( context );
 755         ULONG npages = stack32_pop ( context );
 756         ULONG permand = stack32_pop ( context );
 757         ULONG permor = stack32_pop ( context );
 758
 759         FIXME("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
 760               page, npages, permand, permor );
 761         address = (LPVOID )( page * psize );
 762
 763         VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
 764         virt_old_perm = mbi.Protect;
 765
 766         switch ( virt_old_perm & mbi.Protect ) {
 767         case PAGE_READONLY:
 768         case PAGE_EXECUTE:
 769         case PAGE_EXECUTE_READ:
 770           pg_old_perm = PC_USER;
 771           break;
 772         case PAGE_READWRITE:
 773         case PAGE_WRITECOPY:
 774         case PAGE_EXECUTE_READWRITE:
 775         case PAGE_EXECUTE_WRITECOPY:
 776           pg_old_perm = PC_USER | PC_WRITEABLE;
 777           break;
 778         case PAGE_NOACCESS:
 779         default:
 780           pg_old_perm = 0;
 781           break;
 782         }
 783         pg_new_perm = pg_old_perm;
 784         pg_new_perm &= permand & ~PC_STATIC;
 785         pg_new_perm |= permor  & ~PC_STATIC;
 786
 787         virt_new_perm = ( virt_old_perm )  & ~0xff;
 788         if ( pg_new_perm & PC_USER )
 789         {
 790           if ( pg_new_perm & PC_WRITEABLE )
 791             virt_new_perm |= PAGE_EXECUTE_READWRITE;
 792           else
 793             virt_new_perm |= PAGE_EXECUTE_READ;
 794         }
 795
 796         if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
 797           ERR("Can't change page permissions for %08lx\n", (DWORD )address );
 798           return 0xffffffff;
 799         }
 800         FIXME("Returning: %08lx\n", pg_old_perm );
 801         return pg_old_perm;
 802       }
 803     case 0x000a: /* PageFree */
 804       {
 805         BOOL ret;
 806         LPVOID hmem = (LPVOID) stack32_pop( context );
 807         DWORD flags = (DWORD ) stack32_pop( context );
 808
 809         FIXME("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
 810               (DWORD )hmem, flags );
 811
 812         ret = VirtualFree ( hmem, 0, MEM_RELEASE );
 813         EAX_reg( context ) = ret;
 814         FIXME("Returning: %d\n", ret );
 815
 816         return 0;
 817       }
 818     case 0x001e: /* GetDemandPageInfo */
 819       {
 820          DWORD dinfo = (DWORD)stack32_pop( context );
 821          DWORD flags = (DWORD)stack32_pop( context );
 822
 823          /* GetDemandPageInfo is supposed to fill out the struct at
 824           * "dinfo" with various low-level memory management information.
 825           * Apps are certainly not supposed to call this, although it's
 826           * demoed and documented by Pietrek on pages 441-443 of "Windows
 827           * 95 System Programming Secrets" if any program needs a real
 828           * implementation of this.
 829           */
 830
 831          FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
 832
 833          return 0;
 834       }
 835     default:
 836         if (LOWORD(service) < N_VMM_SERVICE)
 837             FIXME( "Unimplemented service %s (%08lx)\n",
 838                           VMM_Service_Name[LOWORD(service)], service);
 839         else
 840             FIXME( "Unknown service %08lx\n", service);
 841         break;
 842     }
 843
 844     return 0xffffffff;  /* FIXME */
 845 }
 846
 847 /***********************************************************************
 848  *           DeviceIo_IFSMgr
 849  * NOTES
 850  *   The ioctls is used by 'MSNET32.DLL'.
 851  *
 852  *   I have been unable to uncover any documentation about the ioctls so
 853  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
 854  *   based on a resonable guesses on information found in the Windows 95 DDK.
 855  *
 856  */
 857
 858 /*
 859  * IFSMgr DeviceIO service
 860  */
 861
 862 #define IFS_IOCTL_21                100
 863 #define IFS_IOCTL_2F                101
 864 #define IFS_IOCTL_GET_RES           102
 865 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
 866
 867 struct win32apireq {
 868         unsigned long   ar_proid;
 869         unsigned long   ar_eax;
 870         unsigned long   ar_ebx;
 871         unsigned long   ar_ecx;
 872         unsigned long   ar_edx;
 873         unsigned long   ar_esi;
 874         unsigned long   ar_edi;
 875         unsigned long   ar_ebp;
 876         unsigned short  ar_error;
 877         unsigned short  ar_pad;
 878 };
 879
 880 static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT86 *pCxt)
 881 {
 882         memset(pCxt,0,sizeof(*pCxt));
 883
 884         pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
 885         pCxt->Eax = pIn->ar_eax;
 886         pCxt->Ebx = pIn->ar_ebx;
 887         pCxt->Ecx = pIn->ar_ecx;
 888         pCxt->Edx = pIn->ar_edx;
 889         pCxt->Esi = pIn->ar_esi;
 890         pCxt->Edi = pIn->ar_edi;
 891
 892         /* FIXME: Only partial CONTEXT86_CONTROL */
 893         pCxt->Ebp = pIn->ar_ebp;
 894
 895         /* FIXME: pIn->ar_proid ignored */
 896         /* FIXME: pIn->ar_error ignored */
 897         /* FIXME: pIn->ar_pad ignored */
 898 }
 899
 900 static void CONTEXT_2_win32apieq(CONTEXT86 *pCxt,struct win32apireq *pOut)
 901 {
 902         memset(pOut,0,sizeof(struct win32apireq));
 903
 904         pOut->ar_eax = pCxt->Eax;
 905         pOut->ar_ebx = pCxt->Ebx;
 906         pOut->ar_ecx = pCxt->Ecx;
 907         pOut->ar_edx = pCxt->Edx;
 908         pOut->ar_esi = pCxt->Esi;
 909         pOut->ar_edi = pCxt->Edi;
 910
 911         /* FIXME: Only partial CONTEXT86_CONTROL */
 912         pOut->ar_ebp = pCxt->Ebp;
 913
 914         /* FIXME: pOut->ar_proid ignored */
 915         /* FIXME: pOut->ar_error ignored */
 916         /* FIXME: pOut->ar_pad ignored */
 917 }
 918
 919 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 920                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 921                               LPDWORD lpcbBytesReturned,
 922                               LPOVERLAPPED lpOverlapped)
 923 {
 924     BOOL retv = TRUE;
 925         TRACE("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
 926                         dwIoControlCode,
 927                         lpvInBuffer,cbInBuffer,
 928                         lpvOutBuffer,cbOutBuffer,
 929                         lpcbBytesReturned,
 930                         lpOverlapped);
 931
 932     switch (dwIoControlCode)
 933     {
 934         case IFS_IOCTL_21:
 935         case IFS_IOCTL_2F:{
 936                 CONTEXT86 cxt;
 937                 struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 938                 struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 939
 940                 TRACE(
 941                         "Control '%s': "
 942                         "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 943                         "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 944                         "error=0x%04x, pad=0x%04x\n",
 945                         (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 946                         pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 947                         pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 948                         pIn->ar_error, pIn->ar_pad
 949                 );
 950
 951                 win32apieq_2_CONTEXT(pIn,&cxt);
 952
 953                 if(dwIoControlCode==IFS_IOCTL_21)
 954                 {
 955                         DOS3Call(&cxt); /* Call int 21h */
 956                 } else {
 957                         INT_Int2fHandler(&cxt); /* Call int 2Fh */
 958                 }
 959
 960                 CONTEXT_2_win32apieq(&cxt,pOut);
 961
 962         retv = TRUE;
 963         } break;
 964         case IFS_IOCTL_GET_RES:{
 965         FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 966         retv = FALSE;
 967         } break;
 968         case IFS_IOCTL_GET_NETPRO_NAME_A:{
 969         FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 970         retv = FALSE;
 971         } break;
 972     default:
 973         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 974         retv = FALSE;
 975     }
 976
 977     return retv;
 978 }
 979
 980 /********************************************************************************
 981  *      VxDCall_VWin32
 982  *
 983  *  Service numbers taken from page 448 of Pietrek's "Windows 95 System
 984  *  Progrmaming Secrets".  Parameters from experimentation on real Win98.
 985  *
 986  */
 987
 988 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
 989 {
 990   switch ( LOWORD(service) )
 991     {
 992     case 0x0000: /* GetVersion */
 993     {
 994         DWORD vers = VERSION_GetVersion();
 995         switch (vers)
 996         {
 997         case WIN31:
 998           return(0x0301);  /* Windows 3.1 */
 999           break;
1000
1001         case WIN95:
1002           return(0x0400);  /* Win95 aka 4.0 */
1003           break;
1004
1005         case WIN98:
1006           return(0x040a);  /* Win98 aka 4.10 */
1007           break;
1008
1009         case NT351:
1010         case NT40:
1011           ERR("VxDCall when emulating NT???\n");
1012           break;
1013
1014         default:
1015           WARN("Unknown version %lx\n", vers);
1016           break;
1017         }
1018
1019         return(0x040a); /* default to win98 */
1020     }
1021     break;
1022
1023     case 0x0020: /* Get VMCPD Version */
1024     {
1025         DWORD parm = (DWORD) stack32_pop(context);
1026
1027         FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
1028
1029         /* FIXME: This is what Win98 returns, it may
1030          *        not be correct in all situations.
1031          *        It makes Bleem! happy though.
1032          */
1033
1034         return 0x0405;
1035     }
1036
1037     case 0x0029: /* Int31/DPMI dispatch */
1038     {
1039         DWORD callnum = (DWORD) stack32_pop(context);
1040         DWORD parm    = (DWORD) stack32_pop(context);
1041
1042         TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
1043
1044         AX_reg(context) = callnum;
1045         CX_reg(context) = parm;
1046         INT_Int31Handler(context);
1047
1048         return(AX_reg(context));
1049     }
1050     break;
1051
1052     case 0x002a: /* Int41 dispatch - parm = int41 service number */
1053     {
1054         DWORD callnum = (DWORD) stack32_pop(context);
1055
1056         return callnum; /* FIXME: should really call INT_Int41Handler() */
1057     }
1058     break;
1059
1060     default:
1061       FIXME("Unknown VWin32 service %08lx\n", service);
1062       break;
1063     }
1064
1065   return 0xffffffff;
1066 }
1067
1068
1069
1070 /***********************************************************************
1071  *           DeviceIo_VWin32
1072  */
1073
1074 static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
1075 {
1076     memset( pCxt, 0, sizeof(*pCxt) );
1077     /* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
1078              will interpret 32-bit register contents as linear pointers */
1079
1080     pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
1081     pCxt->Eax = pIn->reg_EAX;
1082     pCxt->Ebx = pIn->reg_EBX;
1083     pCxt->Ecx = pIn->reg_ECX;
1084     pCxt->Edx = pIn->reg_EDX;
1085     pCxt->Esi = pIn->reg_ESI;
1086     pCxt->Edi = pIn->reg_EDI;
1087
1088     /* FIXME: Only partial CONTEXT86_CONTROL */
1089     pCxt->EFlags = pIn->reg_Flags;
1090 }
1091
1092 static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
1093 {
1094     memset( pOut, 0, sizeof(DIOC_REGISTERS) );
1095
1096     pOut->reg_EAX = pCxt->Eax;
1097     pOut->reg_EBX = pCxt->Ebx;
1098     pOut->reg_ECX = pCxt->Ecx;
1099     pOut->reg_EDX = pCxt->Edx;
1100     pOut->reg_ESI = pCxt->Esi;
1101     pOut->reg_EDI = pCxt->Edi;
1102
1103     /* FIXME: Only partial CONTEXT86_CONTROL */
1104     pOut->reg_Flags = pCxt->EFlags;
1105 }
1106
1107
1108 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
1109                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1110                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1111                               LPDWORD lpcbBytesReturned,
1112                               LPOVERLAPPED lpOverlapped)
1113 {
1114     BOOL retv = TRUE;
1115
1116     switch (dwIoControlCode)
1117     {
1118     case VWIN32_DIOC_DOS_IOCTL:
1119     case VWIN32_DIOC_DOS_INT13:
1120     case VWIN32_DIOC_DOS_INT25:
1121     case VWIN32_DIOC_DOS_INT26:
1122     {
1123         CONTEXT86 cxt;
1124         DIOC_REGISTERS *pIn  = (DIOC_REGISTERS *)lpvInBuffer;
1125         DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
1126
1127         TRACE( "Control '%s': "
1128                "eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
1129                "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
1130                (dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
1131                (dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
1132                (dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
1133                (dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" : "???",
1134                pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
1135                pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
1136
1137         DIOCRegs_2_CONTEXT( pIn, &cxt );
1138
1139         switch (dwIoControlCode)
1140         {
1141         case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
1142         case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
1143         case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
1144         case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
1145         }
1146
1147         CONTEXT_2_DIOCRegs( &cxt, pOut );
1148     }
1149     break;
1150
1151     case VWIN32_DIOC_SIMCTRLC:
1152         FIXME( "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
1153         retv = FALSE;
1154         break;
1155
1156     default:
1157         FIXME( "Unknown Control %ld\n", dwIoControlCode);
1158         retv = FALSE;
1159         break;
1160     }
1161
1162     return retv;
1163 }
1164
1165 /* this is the main multimedia device loader */
1166 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
1167                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1168                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1169                               LPDWORD lpcbBytesReturned,
1170                               LPOVERLAPPED lpOverlapped)
1171 {
1172         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1173             dwIoControlCode,
1174             lpvInBuffer,cbInBuffer,
1175             lpvOutBuffer,cbOutBuffer,
1176             lpcbBytesReturned,
1177             lpOverlapped
1178         );
1179         switch (dwIoControlCode) {
1180         case 5:
1181                 /* Hmm. */
1182                 *(DWORD*)lpvOutBuffer=0;
1183                 *lpcbBytesReturned=4;
1184                 return TRUE;
1185         }
1186         return FALSE;
1187 }
1188 /* this is used by some Origin games */
1189 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
1190                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1191                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1192                               LPDWORD lpcbBytesReturned,
1193                               LPOVERLAPPED lpOverlapped)
1194 {
1195         switch (dwIoControlCode) {
1196         case 1: /* version */
1197                 *(LPDWORD)lpvOutBuffer = 0x20004; /* WC SecretOps */
1198                 break;
1199         case 9: /* debug output */
1200                 ERR("MONODEBG: %s\n",debugstr_a(lpvInBuffer));
1201                 break;
1202         default:
1203                 FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1204                         dwIoControlCode,
1205                         lpvInBuffer,cbInBuffer,
1206                         lpvOutBuffer,cbOutBuffer,
1207                         lpcbBytesReturned,
1208                         lpOverlapped
1209                 );
1210                 break;
1211         }
1212         return TRUE;
1213 }
1214 /* pccard */
1215 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
1216                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1217                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1218                               LPDWORD lpcbBytesReturned,
1219                               LPOVERLAPPED lpOverlapped)
1220 {
1221         switch (dwIoControlCode) {
1222         case 0x0000: /* PCCARD_Get_Version */
1223         case 0x0001: /* PCCARD_Card_Services */
1224         default:
1225                 FIXME( "(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1226                         dwIoControlCode,
1227                         lpvInBuffer,cbInBuffer,
1228                         lpvOutBuffer,cbOutBuffer,
1229                         lpcbBytesReturned,
1230                         lpOverlapped
1231                 );
1232                 break;
1233         }
1234         return FALSE;
1235 }
1236
1237 DWORD   WINAPI  OpenVxDHandle(DWORD pmt)
1238 {
1239         FIXME( "(0x%08lx) stub!\n", pmt);
1240         return 0;
1241 }