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 "winbase.h"
  27 #include "winreg.h"
  28 #include "winerror.h"
  29 #include "file.h"
  30 #include "process.h"
  31 #include "heap.h"
  32 #include "winioctl.h"
  33 #include "winnt.h"
  34 #include "msdos.h"
  35 #include "miscemu.h"
  36 #include "stackframe.h"
  37 #include "server.h"
  38 #include "debugtools.h"
  39 #include "global.h"
  40
  41 DEFAULT_DEBUG_CHANNEL(win32);
  42
  43
  44 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode,
  45                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  46                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  47                               LPDWORD lpcbBytesReturned,
  48                               LPOVERLAPPED lpOverlapped);
  49 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
  50                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  51                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  52                               LPDWORD lpcbBytesReturned,
  53                               LPOVERLAPPED lpOverlapped);
  54 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
  55                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  56                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  57                               LPDWORD lpcbBytesReturned,
  58                               LPOVERLAPPED lpOverlapped);
  59
  60 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context );
  61
  62 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode,
  63                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  64                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  65                               LPDWORD lpcbBytesReturned,
  66                               LPOVERLAPPED lpOverlapped);
  67
  68 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context );
  69
  70 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
  71                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  72                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  73                               LPDWORD lpcbBytesReturned,
  74                               LPOVERLAPPED lpOverlapped);
  75
  76 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
  77                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  78                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  79                               LPDWORD lpcbBytesReturned,
  80                               LPOVERLAPPED lpOverlapped);
  81 /*
  82  * VxD names are taken from the Win95 DDK
  83  */
  84
  85 struct VxDInfo
  86 {
  87     LPCSTR  name;
  88     WORD    id;
  89     DWORD (*vxdcall)(DWORD, CONTEXT86 *);
  90     BOOL  (*deviceio)(DWORD, LPVOID, DWORD,
  91                         LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
  92 };
  93
  94 static const struct VxDInfo VxDList[] =
  95 {
  96     /* Standard VxD IDs */
  97     { "VMM",      0x0001, VxDCall_VMM, NULL },
  98     { "DEBUG",    0x0002, NULL, NULL },
  99     { "VPICD",    0x0003, NULL, NULL },
 100     { "VDMAD",    0x0004, NULL, NULL },
 101     { "VTD",      0x0005, NULL, NULL },
 102     { "V86MMGR",  0x0006, NULL, NULL },
 103     { "PAGESWAP", 0x0007, NULL, NULL },
 104     { "PARITY",   0x0008, NULL, NULL },
 105     { "REBOOT",   0x0009, NULL, NULL },
 106     { "VDD",      0x000A, NULL, NULL },
 107     { "VSD",      0x000B, NULL, NULL },
 108     { "VMD",      0x000C, NULL, NULL },
 109     { "VKD",      0x000D, NULL, NULL },
 110     { "VCD",      0x000E, NULL, NULL },
 111     { "VPD",      0x000F, NULL, NULL },
 112     { "BLOCKDEV", 0x0010, NULL, NULL },
 113     { "VMCPD",    0x0011, NULL, NULL },
 114     { "EBIOS",    0x0012, NULL, NULL },
 115     { "BIOSXLAT", 0x0013, NULL, NULL },
 116     { "VNETBIOS", 0x0014, NULL, NULL },
 117     { "DOSMGR",   0x0015, NULL, NULL },
 118     { "WINLOAD",  0x0016, NULL, NULL },
 119     { "SHELL",    0x0017, NULL, NULL },
 120     { "VMPOLL",   0x0018, NULL, NULL },
 121     { "VPROD",    0x0019, NULL, NULL },
 122     { "DOSNET",   0x001A, NULL, NULL },
 123     { "VFD",      0x001B, NULL, NULL },
 124     { "VDD2",     0x001C, NULL, NULL },
 125     { "WINDEBUG", 0x001D, NULL, NULL },
 126     { "TSRLOAD",  0x001E, NULL, NULL },
 127     { "BIOSHOOK", 0x001F, NULL, NULL },
 128     { "INT13",    0x0020, NULL, NULL },
 129     { "PAGEFILE", 0x0021, NULL, NULL },
 130     { "SCSI",     0x0022, NULL, NULL },
 131     { "MCA_POS",  0x0023, NULL, NULL },
 132     { "SCSIFD",   0x0024, NULL, NULL },
 133     { "VPEND",    0x0025, NULL, NULL },
 134     { "VPOWERD",  0x0026, NULL, NULL },
 135     { "VXDLDR",   0x0027, NULL, NULL },
 136     { "NDIS",     0x0028, NULL, NULL },
 137     { "BIOS_EXT", 0x0029, NULL, NULL },
 138     { "VWIN32",   0x002A, VxDCall_VWin32, DeviceIo_VWin32 },
 139     { "VCOMM",    0x002B, NULL, NULL },
 140     { "SPOOLER",  0x002C, NULL, NULL },
 141     { "WIN32S",   0x002D, NULL, NULL },
 142     { "DEBUGCMD", 0x002E, NULL, NULL },
 143
 144     { "VNB",      0x0031, NULL, NULL },
 145     { "SERVER",   0x0032, NULL, NULL },
 146     { "CONFIGMG", 0x0033, NULL, NULL },
 147     { "DWCFGMG",  0x0034, NULL, NULL },
 148     { "SCSIPORT", 0x0035, NULL, NULL },
 149     { "VFBACKUP", 0x0036, NULL, NULL },
 150     { "ENABLE",   0x0037, NULL, NULL },
 151     { "VCOND",    0x0038, NULL, NULL },
 152
 153     { "EFAX",     0x003A, NULL, NULL },
 154     { "DSVXD",    0x003B, NULL, NULL },
 155     { "ISAPNP",   0x003C, NULL, NULL },
 156     { "BIOS",     0x003D, NULL, NULL },
 157     { "WINSOCK",  0x003E, NULL, NULL },
 158     { "WSOCK",    0x003E, NULL, NULL },
 159     { "WSIPX",    0x003F, NULL, NULL },
 160     { "IFSMgr",   0x0040, NULL, DeviceIo_IFSMgr },
 161     { "VCDFSD",   0x0041, NULL, NULL },
 162     { "MRCI2",    0x0042, NULL, NULL },
 163     { "PCI",      0x0043, NULL, NULL },
 164     { "PELOADER", 0x0044, NULL, NULL },
 165     { "EISA",     0x0045, NULL, NULL },
 166     { "DRAGCLI",  0x0046, NULL, NULL },
 167     { "DRAGSRV",  0x0047, NULL, NULL },
 168     { "PERF",     0x0048, NULL, NULL },
 169     { "AWREDIR",  0x0049, NULL, NULL },
 170
 171     /* Far East support */
 172     { "ETEN",     0x0060, NULL, NULL },
 173     { "CHBIOS",   0x0061, NULL, NULL },
 174     { "VMSGD",    0x0062, NULL, NULL },
 175     { "VPPID",    0x0063, NULL, NULL },
 176     { "VIME",     0x0064, NULL, NULL },
 177     { "VHBIOSD",  0x0065, NULL, NULL },
 178
 179     /* Multimedia OEM IDs */
 180     { "VTDAPI",   0x0442, NULL, DeviceIo_VTDAPI },
 181     { "MMDEVLDR", 0x044A, NULL, DeviceIo_MMDEVLDR },
 182
 183     /* Network Device IDs */
 184     { "VNetSup",  0x0480, NULL, NULL },
 185     { "VRedir",   0x0481, NULL, NULL },
 186     { "VBrowse",  0x0482, NULL, NULL },
 187     { "VSHARE",   0x0483, NULL, NULL },
 188     { "IFSMgr",   0x0484, NULL, NULL },
 189     { "MEMPROBE", 0x0485, NULL, NULL },
 190     { "VFAT",     0x0486, NULL, NULL },
 191     { "NWLINK",   0x0487, NULL, NULL },
 192     { "VNWLINK",  0x0487, NULL, NULL },
 193     { "NWSUP",    0x0487, NULL, NULL },
 194     { "VTDI",     0x0488, NULL, NULL },
 195     { "VIP",      0x0489, NULL, NULL },
 196     { "VTCP",     0x048A, NULL, NULL },
 197     { "VCache",   0x048B, NULL, NULL },
 198     { "VUDP",     0x048C, NULL, NULL },
 199     { "VAsync",   0x048D, NULL, NULL },
 200     { "NWREDIR",  0x048E, NULL, NULL },
 201     { "STAT80",   0x048F, NULL, NULL },
 202     { "SCSIPORT", 0x0490, NULL, NULL },
 203     { "FILESEC",  0x0491, NULL, NULL },
 204     { "NWSERVER", 0x0492, NULL, NULL },
 205     { "SECPROV",  0x0493, NULL, NULL },
 206     { "NSCL",     0x0494, NULL, NULL },
 207     { "WSTCP",    0x0495, NULL, NULL },
 208     { "NDIS2SUP", 0x0496, NULL, NULL },
 209     { "MSODISUP", 0x0497, NULL, NULL },
 210     { "Splitter", 0x0498, NULL, NULL },
 211     { "PPP",      0x0499, NULL, NULL },
 212     { "VDHCP",    0x049A, NULL, NULL },
 213     { "VNBT",     0x049B, NULL, NULL },
 214     { "LOGGER",   0x049D, NULL, NULL },
 215     { "EFILTER",  0x049E, NULL, NULL },
 216     { "FFILTER",  0x049F, NULL, NULL },
 217     { "TFILTER",  0x04A0, NULL, NULL },
 218     { "AFILTER",  0x04A1, NULL, NULL },
 219     { "IRLAMP",   0x04A2, NULL, NULL },
 220
 221     { "PCCARD",   0x097C, NULL, DeviceIo_PCCARD },
 222
 223     /* WINE additions, ids unknown */
 224     { "MONODEBG.VXD", 0x4242, NULL, DeviceIo_MONODEBG },
 225
 226     { NULL,       0,      NULL, NULL }
 227 };
 228
 229 /*
 230  * VMM VxDCall service names are (mostly) taken from Stan Mitchell's
 231  * "Inside the Windows 95 File System"
 232  */
 233
 234 #define N_VMM_SERVICE 41
 235
 236 LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
 237 {
 238     "PageReserve",            /* 0x0000 */
 239     "PageCommit",             /* 0x0001 */
 240     "PageDecommit",           /* 0x0002 */
 241     "PagerRegister",          /* 0x0003 */
 242     "PagerQuery",             /* 0x0004 */
 243     "HeapAllocate",           /* 0x0005 */
 244     "ContextCreate",          /* 0x0006 */
 245     "ContextDestroy",         /* 0x0007 */
 246     "PageAttach",             /* 0x0008 */
 247     "PageFlush",              /* 0x0009 */
 248     "PageFree",               /* 0x000A */
 249     "ContextSwitch",          /* 0x000B */
 250     "HeapReAllocate",         /* 0x000C */
 251     "PageModifyPermissions",  /* 0x000D */
 252     "PageQuery",              /* 0x000E */
 253     "GetCurrentContext",      /* 0x000F */
 254     "HeapFree",               /* 0x0010 */
 255     "RegOpenKey",             /* 0x0011 */
 256     "RegCreateKey",           /* 0x0012 */
 257     "RegCloseKey",            /* 0x0013 */
 258     "RegDeleteKey",           /* 0x0014 */
 259     "RegSetValue",            /* 0x0015 */
 260     "RegDeleteValue",         /* 0x0016 */
 261     "RegQueryValue",          /* 0x0017 */
 262     "RegEnumKey",             /* 0x0018 */
 263     "RegEnumValue",           /* 0x0019 */
 264     "RegQueryValueEx",        /* 0x001A */
 265     "RegSetValueEx",          /* 0x001B */
 266     "RegFlushKey",            /* 0x001C */
 267     "RegQueryInfoKey",        /* 0x001D */
 268     "GetDemandPageInfo",      /* 0x001E */
 269     "BlockOnID",              /* 0x001F */
 270     "SignalID",               /* 0x0020 */
 271     "RegLoadKey",             /* 0x0021 */
 272     "RegUnLoadKey",           /* 0x0022 */
 273     "RegSaveKey",             /* 0x0023 */
 274     "RegRemapPreDefKey",      /* 0x0024 */
 275     "PageChangePager",        /* 0x0025 */
 276     "RegQueryMultipleValues", /* 0x0026 */
 277     "RegReplaceKey",          /* 0x0027 */
 278     "<KERNEL32.101>"          /* 0x0028 -- What does this do??? */
 279 };
 280
 281 /* PageReserve arena values */
 282 #define PR_PRIVATE  0x80000400  /* anywhere in private arena */
 283 #define PR_SHARED   0x80060000  /* anywhere in shared arena */
 284 #define PR_SYSTEM   0x80080000  /* anywhere in system arena */
 285
 286 /* PageReserve flags */
 287 #define PR_FIXED    0x00000008  /* don't move during PageReAllocate */
 288 #define PR_4MEG     0x00000001  /* allocate on 4mb boundary */
 289 #define PR_STATIC   0x00000010  /* see PageReserve documentation */
 290
 291 /* PageCommit default pager handle values */
 292 #define PD_ZEROINIT 0x00000001  /* swappable zero-initialized pages */
 293 #define PD_NOINIT   0x00000002  /* swappable uninitialized pages */
 294 #define PD_FIXEDZERO    0x00000003  /* fixed zero-initialized pages */
 295 #define PD_FIXED    0x00000004  /* fixed uninitialized pages */
 296
 297 /* PageCommit flags */
 298 #define PC_FIXED    0x00000008  /* pages are permanently locked */
 299 #define PC_LOCKED   0x00000080  /* pages are made present and locked*/
 300 #define PC_LOCKEDIFDP   0x00000100  /* pages are locked if swap via DOS */
 301 #define PC_WRITEABLE    0x00020000  /* make the pages writeable */
 302 #define PC_USER     0x00040000  /* make the pages ring 3 accessible */
 303 #define PC_INCR     0x40000000  /* increment "pagerdata" each page */
 304 #define PC_PRESENT  0x80000000  /* make pages initially present */
 305 #define PC_STATIC   0x20000000  /* allow commit in PR_STATIC object */
 306 #define PC_DIRTY    0x08000000  /* make pages initially dirty */
 307 #define PC_CACHEDIS 0x00100000  /* Allocate uncached pages - new for WDM */
 308 #define PC_CACHEWT  0x00080000  /* Allocate write through cache pages - new for WDM */
 309 #define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
 310
 311 /* PageCommitContig additional flags */
 312 #define PCC_ZEROINIT    0x00000001  /* zero-initialize new pages */
 313 #define PCC_NOLIN   0x10000000  /* don't map to any linear address */
 314
 315
 316
 317 HANDLE DEVICE_Open( LPCSTR filename, DWORD access,
 318                       LPSECURITY_ATTRIBUTES sa )
 319 {
 320     const struct VxDInfo *info;
 321
 322     for (info = VxDList; info->name; info++)
 323         if (!strncasecmp( info->name, filename, strlen(info->name) ))
 324             return FILE_CreateDevice( info->id | 0x10000, access, sa );
 325
 326     FIXME( "Unknown VxD %s\n", filename);
 327     SetLastError( ERROR_FILE_NOT_FOUND );
 328     return HFILE_ERROR;
 329 }
 330
 331 static const struct VxDInfo *DEVICE_GetInfo( HANDLE handle )
 332 {
 333     struct get_file_info_request *req = get_req_buffer();
 334
 335     req->handle = handle;
 336     if (!server_call( REQ_GET_FILE_INFO ) &&
 337         (req->type == FILE_TYPE_UNKNOWN) &&
 338         (req->attr & 0x10000))
 339     {
 340         const struct VxDInfo *info;
 341         for (info = VxDList; info->name; info++)
 342             if (info->id == LOWORD(req->attr)) return info;
 343     }
 344     return NULL;
 345 }
 346
 347 /****************************************************************************
 348  *              DeviceIoControl (KERNEL32.188)
 349  * This is one of those big ugly nasty procedure which can do
 350  * a million and one things when it comes to devices. It can also be
 351  * used for VxD communication.
 352  *
 353  * A return value of FALSE indicates that something has gone wrong which
 354  * GetLastError can decypher.
 355  */
 356 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
 357                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 358                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 359                               LPDWORD lpcbBytesReturned,
 360                               LPOVERLAPPED lpOverlapped)
 361 {
 362         const struct VxDInfo *info;
 363
 364         TRACE( "(%d,%ld,%p,%ld,%p,%ld,%p,%p)\n",
 365                hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
 366                lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped  );
 367
 368         if (!(info = DEVICE_GetInfo( hDevice )))
 369         {
 370                 SetLastError( ERROR_INVALID_PARAMETER );
 371                 return FALSE;
 372         }
 373
 374         /* Check if this is a user defined control code for a VxD */
 375         if( HIWORD( dwIoControlCode ) == 0 )
 376         {
 377                 if ( info->deviceio )
 378                 {
 379                         return info->deviceio( dwIoControlCode,
 380                                         lpvInBuffer, cbInBuffer,
 381                                         lpvOutBuffer, cbOutBuffer,
 382                                         lpcbBytesReturned, lpOverlapped );
 383                 }
 384                 else
 385                 {
 386                         /* FIXME: Set appropriate error */
 387                         FIXME( "Unimplemented control %ld for VxD device %s\n",
 388                                dwIoControlCode, info->name ? info->name : "???" );
 389                 }
 390         }
 391         else
 392         {
 393                 switch( dwIoControlCode )
 394                 {
 395                 case FSCTL_DELETE_REPARSE_POINT:
 396                 case FSCTL_DISMOUNT_VOLUME:
 397                 case FSCTL_GET_COMPRESSION:
 398                 case FSCTL_GET_REPARSE_POINT:
 399                 case FSCTL_LOCK_VOLUME:
 400                 case FSCTL_QUERY_ALLOCATED_RANGES:
 401                 case FSCTL_SET_COMPRESSION:
 402                 case FSCTL_SET_REPARSE_POINT:
 403                 case FSCTL_SET_SPARSE:
 404                 case FSCTL_SET_ZERO_DATA:
 405                 case FSCTL_UNLOCK_VOLUME:
 406                 case IOCTL_DISK_CHECK_VERIFY:
 407                 case IOCTL_DISK_EJECT_MEDIA:
 408                 case IOCTL_DISK_FORMAT_TRACKS:
 409                 case IOCTL_DISK_GET_DRIVE_GEOMETRY:
 410                 case IOCTL_DISK_GET_DRIVE_LAYOUT:
 411                 case IOCTL_DISK_GET_MEDIA_TYPES:
 412                 case IOCTL_DISK_GET_PARTITION_INFO:
 413                 case IOCTL_DISK_LOAD_MEDIA:
 414                 case IOCTL_DISK_MEDIA_REMOVAL:
 415                 case IOCTL_DISK_PERFORMANCE:
 416                 case IOCTL_DISK_REASSIGN_BLOCKS:
 417                 case IOCTL_DISK_SET_DRIVE_LAYOUT:
 418                 case IOCTL_DISK_SET_PARTITION_INFO:
 419                 case IOCTL_DISK_VERIFY:
 420                 case IOCTL_SERIAL_LSRMST_INSERT:
 421                 case IOCTL_STORAGE_CHECK_VERIFY:
 422                 case IOCTL_STORAGE_EJECT_MEDIA:
 423                 case IOCTL_STORAGE_GET_MEDIA_TYPES:
 424                 case IOCTL_STORAGE_LOAD_MEDIA:
 425                 case IOCTL_STORAGE_MEDIA_REMOVAL:
 426                         FIXME( "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
 427                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 428                         return FALSE;
 429                         break;
 430                 default:
 431                         FIXME( "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
 432                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 433                         return FALSE;
 434                         break;
 435                 }
 436         }
 437         return FALSE;
 438 }
 439
 440 /***********************************************************************
 441  *           DeviceIo_VTDAPI
 442  */
 443 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 444                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 445                               LPDWORD lpcbBytesReturned,
 446                               LPOVERLAPPED lpOverlapped)
 447 {
 448     BOOL retv = TRUE;
 449
 450     switch (dwIoControlCode)
 451     {
 452     case 5:
 453         if (lpvOutBuffer && (cbOutBuffer>=4))
 454             *(DWORD*)lpvOutBuffer = GetTickCount();
 455
 456         if (lpcbBytesReturned)
 457             *lpcbBytesReturned = 4;
 458
 459         break;
 460
 461     default:
 462         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 463         retv = FALSE;
 464         break;
 465     }
 466
 467     return retv;
 468 }
 469
 470
 471
 472
 473
 474 /***********************************************************************
 475  *           VxDCall                   (KERNEL32.[1-9])
 476  */
 477 void VxDCall( DWORD service, CONTEXT86 *context )
 478 {
 479     DWORD ret = 0xffffffff; /* FIXME */
 480     int i;
 481
 482     TRACE( "(%08lx, ...)\n", service);
 483
 484     for (i = 0; VxDList[i].name; i++)
 485         if (VxDList[i].id == HIWORD(service))
 486             break;
 487
 488     if (!VxDList[i].name)
 489         FIXME( "Unknown VxD (%08lx)\n", service);
 490     else if (!VxDList[i].vxdcall)
 491         FIXME( "Unimplemented VxD (%08lx)\n", service);
 492     else
 493         ret = VxDList[i].vxdcall( service, context );
 494
 495     EAX_reg( context ) = ret;
 496 }
 497
 498
 499 /***********************************************************************
 500  *           VxDCall_VMM
 501  */
 502 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
 503 {
 504     switch ( LOWORD(service) )
 505     {
 506     case 0x0011:  /* RegOpenKey */
 507     {
 508         HKEY    hkey       = (HKEY)  stack32_pop( context );
 509         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 510         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 511         return RegOpenKeyA( hkey, lpszSubKey, retkey );
 512     }
 513
 514     case 0x0012:  /* RegCreateKey */
 515     {
 516         HKEY    hkey       = (HKEY)  stack32_pop( context );
 517         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 518         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 519         return RegCreateKeyA( hkey, lpszSubKey, retkey );
 520     }
 521
 522     case 0x0013:  /* RegCloseKey */
 523     {
 524         HKEY    hkey       = (HKEY)stack32_pop( context );
 525         return RegCloseKey( hkey );
 526     }
 527
 528     case 0x0014:  /* RegDeleteKey */
 529     {
 530         HKEY    hkey       = (HKEY)  stack32_pop( context );
 531         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 532         return RegDeleteKeyA( hkey, lpszSubKey );
 533     }
 534
 535     case 0x0015:  /* RegSetValue */
 536     {
 537         HKEY    hkey       = (HKEY)  stack32_pop( context );
 538         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 539         DWORD   dwType     = (DWORD) stack32_pop( context );
 540         LPCSTR  lpszData   = (LPCSTR)stack32_pop( context );
 541         DWORD   cbData     = (DWORD) stack32_pop( context );
 542         return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
 543     }
 544
 545     case 0x0016:  /* RegDeleteValue */
 546     {
 547         HKEY    hkey       = (HKEY) stack32_pop( context );
 548         LPSTR   lpszValue  = (LPSTR)stack32_pop( context );
 549         return RegDeleteValueA( hkey, lpszValue );
 550     }
 551
 552     case 0x0017:  /* RegQueryValue */
 553     {
 554         HKEY    hkey       = (HKEY)   stack32_pop( context );
 555         LPSTR   lpszSubKey = (LPSTR)  stack32_pop( context );
 556         LPSTR   lpszData   = (LPSTR)  stack32_pop( context );
 557         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 558         return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
 559     }
 560
 561     case 0x0018:  /* RegEnumKey */
 562     {
 563         HKEY    hkey       = (HKEY) stack32_pop( context );
 564         DWORD   iSubkey    = (DWORD)stack32_pop( context );
 565         LPSTR   lpszName   = (LPSTR)stack32_pop( context );
 566         DWORD   lpcchName  = (DWORD)stack32_pop( context );
 567         return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
 568     }
 569
 570     case 0x0019:  /* RegEnumValue */
 571     {
 572         HKEY    hkey       = (HKEY)   stack32_pop( context );
 573         DWORD   iValue     = (DWORD)  stack32_pop( context );
 574         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 575         LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
 576         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 577         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 578         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 579         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 580         return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
 581                               lpReserved, lpdwType, lpbData, lpcbData );
 582     }
 583
 584     case 0x001A:  /* RegQueryValueEx */
 585     {
 586         HKEY    hkey       = (HKEY)   stack32_pop( context );
 587         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 588         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 589         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 590         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 591         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 592         return RegQueryValueExA( hkey, lpszValue, lpReserved,
 593                                  lpdwType, lpbData, lpcbData );
 594     }
 595
 596     case 0x001B:  /* RegSetValueEx */
 597     {
 598         HKEY    hkey       = (HKEY)  stack32_pop( context );
 599         LPSTR   lpszValue  = (LPSTR) stack32_pop( context );
 600         DWORD   dwReserved = (DWORD) stack32_pop( context );
 601         DWORD   dwType     = (DWORD) stack32_pop( context );
 602         LPBYTE  lpbData    = (LPBYTE)stack32_pop( context );
 603         DWORD   cbData     = (DWORD) stack32_pop( context );
 604         return RegSetValueExA( hkey, lpszValue, dwReserved,
 605                                dwType, lpbData, cbData );
 606     }
 607
 608     case 0x001C:  /* RegFlushKey */
 609     {
 610         HKEY    hkey       = (HKEY)stack32_pop( context );
 611         return RegFlushKey( hkey );
 612     }
 613
 614     case 0x001D:  /* RegQueryInfoKey */
 615     {
 616         /* NOTE: This VxDCall takes only a subset of the parameters that the
 617                  corresponding Win32 API call does. The implementation in Win95
 618                  ADVAPI32 sets all output parameters not mentioned here to zero. */
 619
 620         HKEY    hkey              = (HKEY)   stack32_pop( context );
 621         LPDWORD lpcSubKeys        = (LPDWORD)stack32_pop( context );
 622         LPDWORD lpcchMaxSubKey    = (LPDWORD)stack32_pop( context );
 623         LPDWORD lpcValues         = (LPDWORD)stack32_pop( context );
 624         LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
 625         LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
 626         return RegQueryInfoKeyA( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey,
 627                                  NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData,
 628                                  NULL, NULL );
 629     }
 630
 631     case 0x0021:  /* RegLoadKey */
 632     {
 633         HKEY    hkey       = (HKEY)  stack32_pop( context );
 634         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 635         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 636         return RegLoadKeyA( hkey, lpszSubKey, lpszFile );
 637     }
 638
 639     case 0x0022:  /* RegUnLoadKey */
 640     {
 641         HKEY    hkey       = (HKEY)  stack32_pop( context );
 642         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 643         return RegUnLoadKeyA( hkey, lpszSubKey );
 644     }
 645
 646     case 0x0023:  /* RegSaveKey */
 647     {
 648         HKEY    hkey       = (HKEY)  stack32_pop( context );
 649         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 650         LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
 651         return RegSaveKeyA( hkey, lpszFile, sa );
 652     }
 653
 654 #if 0 /* Functions are not yet implemented in misc/registry.c */
 655     case 0x0024:  /* RegRemapPreDefKey */
 656     case 0x0026:  /* RegQueryMultipleValues */
 657 #endif
 658
 659     case 0x0027:  /* RegReplaceKey */
 660     {
 661         HKEY    hkey       = (HKEY)  stack32_pop( context );
 662         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 663         LPCSTR  lpszNewFile= (LPCSTR)stack32_pop( context );
 664         LPCSTR  lpszOldFile= (LPCSTR)stack32_pop( context );
 665         return RegReplaceKeyA( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
 666     }
 667     case 0x0000: /* PageReserve */
 668       {
 669         LPVOID address;
 670         LPVOID ret;
 671         DWORD psize = VIRTUAL_GetPageSize();
 672         ULONG page   = (ULONG) stack32_pop( context );
 673         ULONG npages = (ULONG) stack32_pop( context );
 674         ULONG flags  = (ULONG) stack32_pop( context );
 675
 676         FIXME("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
 677               page, npages, flags );
 678
 679         if ( page == PR_SYSTEM ) {
 680           ERR("Can't reserve ring 1 memory\n");
 681           return -1;
 682         }
 683         /* FIXME: This has to be handled seperatly, when we have seperate
 684            address-spaces */
 685         if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
 686         /* FIXME: Handle flags in some way */
 687         address = (LPVOID )(page * psize);
 688         ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
 689         FIXME("PageReserve: returning: %08lx\n", (DWORD )ret );
 690         if ( ret == NULL )
 691           return -1;
 692         else
 693           return (DWORD )ret;
 694       }
 695
 696     case 0x0001: /* PageCommit */
 697       {
 698         LPVOID address;
 699         LPVOID ret;
 700         DWORD virt_perm;
 701         DWORD psize = VIRTUAL_GetPageSize();
 702         ULONG page   = (ULONG) stack32_pop( context );
 703         ULONG npages = (ULONG) stack32_pop( context );
 704         ULONG hpd  = (ULONG) stack32_pop( context );
 705         ULONG pagerdata   = (ULONG) stack32_pop( context );
 706         ULONG flags  = (ULONG) stack32_pop( context );
 707
 708         FIXME("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
 709               "%08lx, flags: %08lx partial stub\n",
 710               page, npages, hpd, pagerdata, flags );
 711
 712         if ( flags & PC_USER )
 713           if ( flags & PC_WRITEABLE )
 714             virt_perm = PAGE_EXECUTE_READWRITE;
 715           else
 716             virt_perm = PAGE_EXECUTE_READ;
 717         else
 718           virt_perm = PAGE_NOACCESS;
 719
 720         address = (LPVOID )(page * psize);
 721         ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
 722         FIXME("PageCommit: Returning: %08lx\n", (DWORD )ret );
 723         return (DWORD )ret;
 724
 725       }
 726     case 0x0002: /* PageDecommit */
 727       {
 728         LPVOID address;
 729         BOOL ret;
 730         DWORD psize = VIRTUAL_GetPageSize();
 731         ULONG page = (ULONG) stack32_pop( context );
 732         ULONG npages = (ULONG) stack32_pop( context );
 733         ULONG flags = (ULONG) stack32_pop( context );
 734
 735         FIXME("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
 736               page, npages, flags );
 737         address = (LPVOID )( page * psize );
 738         ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
 739         FIXME("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
 740         return ret;
 741       }
 742     case 0x000d: /* PageModifyPermissions */
 743       {
 744         DWORD pg_old_perm;
 745         DWORD pg_new_perm;
 746         DWORD virt_old_perm;
 747         DWORD virt_new_perm;
 748         MEMORY_BASIC_INFORMATION mbi;
 749         LPVOID address;
 750         DWORD psize = VIRTUAL_GetPageSize();
 751         ULONG page = stack32_pop ( context );
 752         ULONG npages = stack32_pop ( context );
 753         ULONG permand = stack32_pop ( context );
 754         ULONG permor = stack32_pop ( context );
 755
 756         FIXME("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
 757               page, npages, permand, permor );
 758         address = (LPVOID )( page * psize );
 759
 760         VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
 761         virt_old_perm = mbi.Protect;
 762
 763         switch ( virt_old_perm & mbi.Protect ) {
 764         case PAGE_READONLY:
 765         case PAGE_EXECUTE:
 766         case PAGE_EXECUTE_READ:
 767           pg_old_perm = PC_USER;
 768           break;
 769         case PAGE_READWRITE:
 770         case PAGE_WRITECOPY:
 771         case PAGE_EXECUTE_READWRITE:
 772         case PAGE_EXECUTE_WRITECOPY:
 773           pg_old_perm = PC_USER | PC_WRITEABLE;
 774           break;
 775         case PAGE_NOACCESS:
 776         default:
 777           pg_old_perm = 0;
 778           break;
 779         }
 780         pg_new_perm = pg_old_perm;
 781         pg_new_perm &= permand & ~PC_STATIC;
 782         pg_new_perm |= permor  & ~PC_STATIC;
 783
 784         virt_new_perm = ( virt_old_perm )  & ~0xff;
 785         if ( pg_new_perm & PC_USER )
 786         {
 787           if ( pg_new_perm & PC_WRITEABLE )
 788             virt_new_perm |= PAGE_EXECUTE_READWRITE;
 789           else
 790             virt_new_perm |= PAGE_EXECUTE_READ;
 791         }
 792
 793         if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
 794           ERR("Can't change page permissions for %08lx\n", (DWORD )address );
 795           return 0xffffffff;
 796         }
 797         FIXME("Returning: %08lx\n", pg_old_perm );
 798         return pg_old_perm;
 799       }
 800     case 0x000a: /* PageFree */
 801       {
 802         BOOL ret;
 803         LPVOID hmem = (LPVOID) stack32_pop( context );
 804         DWORD flags = (DWORD ) stack32_pop( context );
 805
 806         FIXME("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
 807               (DWORD )hmem, flags );
 808
 809         ret = VirtualFree ( hmem, 0, MEM_RELEASE );
 810         EAX_reg( context ) = ret;
 811         FIXME("Returning: %d\n", ret );
 812
 813         return 0;
 814       }
 815     case 0x001e: /* GetDemandPageInfo */
 816       {
 817          DWORD dinfo = (DWORD)stack32_pop( context );
 818          DWORD flags = (DWORD)stack32_pop( context );
 819
 820          /* GetDemandPageInfo is supposed to fill out the struct at
 821           * "dinfo" with various low-level memory management information.
 822           * Apps are certainly not supposed to call this, although it's
 823           * demoed and documented by Pietrek on pages 441-443 of "Windows
 824           * 95 System Programming Secrets" if any program needs a real
 825           * implementation of this.
 826           */
 827
 828          FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
 829
 830          return 0;
 831       }
 832     default:
 833         if (LOWORD(service) < N_VMM_SERVICE)
 834             FIXME( "Unimplemented service %s (%08lx)\n",
 835                           VMM_Service_Name[LOWORD(service)], service);
 836         else
 837             FIXME( "Unknown service %08lx\n", service);
 838         break;
 839     }
 840
 841     return 0xffffffff;  /* FIXME */
 842 }
 843
 844 /***********************************************************************
 845  *           DeviceIo_IFSMgr
 846  * NOTES
 847  *   The ioctls is used by 'MSNET32.DLL'.
 848  *
 849  *   I have been unable to uncover any documentation about the ioctls so
 850  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
 851  *   based on a resonable guesses on information found in the Windows 95 DDK.
 852  *
 853  */
 854
 855 /*
 856  * IFSMgr DeviceIO service
 857  */
 858
 859 #define IFS_IOCTL_21                100
 860 #define IFS_IOCTL_2F                101
 861 #define IFS_IOCTL_GET_RES           102
 862 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
 863
 864 struct win32apireq {
 865         unsigned long   ar_proid;
 866         unsigned long   ar_eax;
 867         unsigned long   ar_ebx;
 868         unsigned long   ar_ecx;
 869         unsigned long   ar_edx;
 870         unsigned long   ar_esi;
 871         unsigned long   ar_edi;
 872         unsigned long   ar_ebp;
 873         unsigned short  ar_error;
 874         unsigned short  ar_pad;
 875 };
 876
 877 static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT86 *pCxt)
 878 {
 879         memset(pCxt,0,sizeof(*pCxt));
 880
 881         pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
 882         pCxt->Eax = pIn->ar_eax;
 883         pCxt->Ebx = pIn->ar_ebx;
 884         pCxt->Ecx = pIn->ar_ecx;
 885         pCxt->Edx = pIn->ar_edx;
 886         pCxt->Esi = pIn->ar_esi;
 887         pCxt->Edi = pIn->ar_edi;
 888
 889         /* FIXME: Only partial CONTEXT86_CONTROL */
 890         pCxt->Ebp = pIn->ar_ebp;
 891
 892         /* FIXME: pIn->ar_proid ignored */
 893         /* FIXME: pIn->ar_error ignored */
 894         /* FIXME: pIn->ar_pad ignored */
 895 }
 896
 897 static void CONTEXT_2_win32apieq(CONTEXT86 *pCxt,struct win32apireq *pOut)
 898 {
 899         memset(pOut,0,sizeof(struct win32apireq));
 900
 901         pOut->ar_eax = pCxt->Eax;
 902         pOut->ar_ebx = pCxt->Ebx;
 903         pOut->ar_ecx = pCxt->Ecx;
 904         pOut->ar_edx = pCxt->Edx;
 905         pOut->ar_esi = pCxt->Esi;
 906         pOut->ar_edi = pCxt->Edi;
 907
 908         /* FIXME: Only partial CONTEXT86_CONTROL */
 909         pOut->ar_ebp = pCxt->Ebp;
 910
 911         /* FIXME: pOut->ar_proid ignored */
 912         /* FIXME: pOut->ar_error ignored */
 913         /* FIXME: pOut->ar_pad ignored */
 914 }
 915
 916 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 917                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 918                               LPDWORD lpcbBytesReturned,
 919                               LPOVERLAPPED lpOverlapped)
 920 {
 921     BOOL retv = TRUE;
 922         TRACE("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
 923                         dwIoControlCode,
 924                         lpvInBuffer,cbInBuffer,
 925                         lpvOutBuffer,cbOutBuffer,
 926                         lpcbBytesReturned,
 927                         lpOverlapped);
 928
 929     switch (dwIoControlCode)
 930     {
 931         case IFS_IOCTL_21:
 932         case IFS_IOCTL_2F:{
 933                 CONTEXT86 cxt;
 934                 struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 935                 struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 936
 937                 TRACE(
 938                         "Control '%s': "
 939                         "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 940                         "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 941                         "error=0x%04x, pad=0x%04x\n",
 942                         (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 943                         pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 944                         pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 945                         pIn->ar_error, pIn->ar_pad
 946                 );
 947
 948                 win32apieq_2_CONTEXT(pIn,&cxt);
 949
 950                 if(dwIoControlCode==IFS_IOCTL_21)
 951                 {
 952                         DOS3Call(&cxt); /* Call int 21h */
 953                 } else {
 954                         INT_Int2fHandler(&cxt); /* Call int 2Fh */
 955                 }
 956
 957                 CONTEXT_2_win32apieq(&cxt,pOut);
 958
 959         retv = TRUE;
 960         } break;
 961         case IFS_IOCTL_GET_RES:{
 962         FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 963         retv = FALSE;
 964         } break;
 965         case IFS_IOCTL_GET_NETPRO_NAME_A:{
 966         FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 967         retv = FALSE;
 968         } break;
 969     default:
 970         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 971         retv = FALSE;
 972     }
 973
 974     return retv;
 975 }
 976
 977 /********************************************************************************
 978  *      VxDCall_VWin32
 979  *
 980  *  Service numbers taken from page 448 of Pietrek's "Windows 95 System
 981  *  Progrmaming Secrets".  Parameters from experimentation on real Win98.
 982  *
 983  */
 984
 985 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
 986 {
 987   switch ( LOWORD(service) )
 988     {
 989     case 0x0000: /* GetVersion */
 990     {
 991         DWORD vers = GetVersion();
 992         return (LOBYTE(vers) << 8) | HIBYTE(vers);
 993     }
 994     break;
 995
 996     case 0x0020: /* Get VMCPD Version */
 997     {
 998         DWORD parm = (DWORD) stack32_pop(context);
 999
1000         FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
1001
1002         /* FIXME: This is what Win98 returns, it may
1003          *        not be correct in all situations.
1004          *        It makes Bleem! happy though.
1005          */
1006
1007         return 0x0405;
1008     }
1009
1010     case 0x0029: /* Int31/DPMI dispatch */
1011     {
1012         DWORD callnum = (DWORD) stack32_pop(context);
1013         DWORD parm    = (DWORD) stack32_pop(context);
1014
1015         TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
1016
1017         AX_reg(context) = callnum;
1018         CX_reg(context) = parm;
1019         INT_Int31Handler(context);
1020
1021         return(AX_reg(context));
1022     }
1023     break;
1024
1025     case 0x002a: /* Int41 dispatch - parm = int41 service number */
1026     {
1027         DWORD callnum = (DWORD) stack32_pop(context);
1028
1029         return callnum; /* FIXME: should really call INT_Int41Handler() */
1030     }
1031     break;
1032
1033     default:
1034       FIXME("Unknown VWin32 service %08lx\n", service);
1035       break;
1036     }
1037
1038   return 0xffffffff;
1039 }
1040
1041
1042
1043 /***********************************************************************
1044  *           DeviceIo_VWin32
1045  */
1046
1047 static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
1048 {
1049     memset( pCxt, 0, sizeof(*pCxt) );
1050     /* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
1051              will interpret 32-bit register contents as linear pointers */
1052
1053     pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
1054     pCxt->Eax = pIn->reg_EAX;
1055     pCxt->Ebx = pIn->reg_EBX;
1056     pCxt->Ecx = pIn->reg_ECX;
1057     pCxt->Edx = pIn->reg_EDX;
1058     pCxt->Esi = pIn->reg_ESI;
1059     pCxt->Edi = pIn->reg_EDI;
1060
1061     /* FIXME: Only partial CONTEXT86_CONTROL */
1062     pCxt->EFlags = pIn->reg_Flags;
1063 }
1064
1065 static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
1066 {
1067     memset( pOut, 0, sizeof(DIOC_REGISTERS) );
1068
1069     pOut->reg_EAX = pCxt->Eax;
1070     pOut->reg_EBX = pCxt->Ebx;
1071     pOut->reg_ECX = pCxt->Ecx;
1072     pOut->reg_EDX = pCxt->Edx;
1073     pOut->reg_ESI = pCxt->Esi;
1074     pOut->reg_EDI = pCxt->Edi;
1075
1076     /* FIXME: Only partial CONTEXT86_CONTROL */
1077     pOut->reg_Flags = pCxt->EFlags;
1078 }
1079
1080
1081 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
1082                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1083                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1084                               LPDWORD lpcbBytesReturned,
1085                               LPOVERLAPPED lpOverlapped)
1086 {
1087     BOOL retv = TRUE;
1088
1089     switch (dwIoControlCode)
1090     {
1091     case VWIN32_DIOC_DOS_IOCTL:
1092     case VWIN32_DIOC_DOS_INT13:
1093     case VWIN32_DIOC_DOS_INT25:
1094     case VWIN32_DIOC_DOS_INT26:
1095         case VWIN32_DIOC_DOS_DRIVEINFO:
1096     {
1097         CONTEXT86 cxt;
1098         DIOC_REGISTERS *pIn  = (DIOC_REGISTERS *)lpvInBuffer;
1099         DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
1100
1101         TRACE( "Control '%s': "
1102                "eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
1103                "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
1104                (dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
1105                (dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
1106                (dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
1107                (dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" :
1108                (dwIoControlCode == VWIN32_DIOC_DOS_DRIVEINFO)? "VWIN32_DIOC_DOS_DRIVEINFO" :  "???",
1109                pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
1110                pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
1111
1112         DIOCRegs_2_CONTEXT( pIn, &cxt );
1113
1114         switch (dwIoControlCode)
1115         {
1116         case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
1117         case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
1118         case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
1119         case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
1120                 case VWIN32_DIOC_DOS_DRIVEINFO: DOS3Call( &cxt ); break; /* Call int 21h 730x */
1121         }
1122
1123         CONTEXT_2_DIOCRegs( &cxt, pOut );
1124     }
1125     break;
1126
1127     case VWIN32_DIOC_SIMCTRLC:
1128         FIXME( "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
1129         retv = FALSE;
1130         break;
1131
1132     default:
1133         FIXME( "Unknown Control %ld\n", dwIoControlCode);
1134         retv = FALSE;
1135         break;
1136     }
1137
1138     return retv;
1139 }
1140
1141 /* this is the main multimedia device loader */
1142 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
1143                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1144                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1145                               LPDWORD lpcbBytesReturned,
1146                               LPOVERLAPPED lpOverlapped)
1147 {
1148         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1149             dwIoControlCode,
1150             lpvInBuffer,cbInBuffer,
1151             lpvOutBuffer,cbOutBuffer,
1152             lpcbBytesReturned,
1153             lpOverlapped
1154         );
1155         switch (dwIoControlCode) {
1156         case 5:
1157                 /* Hmm. */
1158                 *(DWORD*)lpvOutBuffer=0;
1159                 *lpcbBytesReturned=4;
1160                 return TRUE;
1161         }
1162         return FALSE;
1163 }
1164 /* this is used by some Origin games */
1165 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
1166                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1167                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1168                               LPDWORD lpcbBytesReturned,
1169                               LPOVERLAPPED lpOverlapped)
1170 {
1171         switch (dwIoControlCode) {
1172         case 1: /* version */
1173                 *(LPDWORD)lpvOutBuffer = 0x20004; /* WC SecretOps */
1174                 break;
1175         case 9: /* debug output */
1176                 ERR("MONODEBG: %s\n",debugstr_a(lpvInBuffer));
1177                 break;
1178         default:
1179                 FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1180                         dwIoControlCode,
1181                         lpvInBuffer,cbInBuffer,
1182                         lpvOutBuffer,cbOutBuffer,
1183                         lpcbBytesReturned,
1184                         lpOverlapped
1185                 );
1186                 break;
1187         }
1188         return TRUE;
1189 }
1190 /* pccard */
1191 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
1192                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1193                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1194                               LPDWORD lpcbBytesReturned,
1195                               LPOVERLAPPED lpOverlapped)
1196 {
1197         switch (dwIoControlCode) {
1198         case 0x0000: /* PCCARD_Get_Version */
1199         case 0x0001: /* PCCARD_Card_Services */
1200         default:
1201                 FIXME( "(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1202                         dwIoControlCode,
1203                         lpvInBuffer,cbInBuffer,
1204                         lpvOutBuffer,cbOutBuffer,
1205                         lpcbBytesReturned,
1206                         lpOverlapped
1207                 );
1208                 break;
1209         }
1210         return FALSE;
1211 }
1212
1213 /***********************************************************************
1214  *              OpenVxDHandle
1215  */
1216 DWORD   WINAPI  OpenVxDHandle(DWORD pmt)
1217 {
1218         FIXME( "(0x%08lx) stub!\n", pmt);
1219         return 0;
1220 }