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     const struct VxDInfo *info = NULL;
 334     SERVER_START_REQ
 335     {
 336         struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
 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             for (info = VxDList; info->name; info++)
 344                 if (info->id == LOWORD(req->attr)) break;
 345         }
 346     }
 347     SERVER_END_REQ;
 348     return info;
 349 }
 350
 351 /****************************************************************************
 352  *              DeviceIoControl (KERNEL32.188)
 353  * This is one of those big ugly nasty procedure which can do
 354  * a million and one things when it comes to devices. It can also be
 355  * used for VxD communication.
 356  *
 357  * A return value of FALSE indicates that something has gone wrong which
 358  * GetLastError can decypher.
 359  */
 360 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
 361                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 362                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 363                               LPDWORD lpcbBytesReturned,
 364                               LPOVERLAPPED lpOverlapped)
 365 {
 366         const struct VxDInfo *info;
 367
 368         TRACE( "(%d,%ld,%p,%ld,%p,%ld,%p,%p)\n",
 369                hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
 370                lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped  );
 371
 372         if (!(info = DEVICE_GetInfo( hDevice )))
 373         {
 374                 SetLastError( ERROR_INVALID_PARAMETER );
 375                 return FALSE;
 376         }
 377
 378         /* Check if this is a user defined control code for a VxD */
 379         if( HIWORD( dwIoControlCode ) == 0 )
 380         {
 381                 if ( info->deviceio )
 382                 {
 383                         return info->deviceio( dwIoControlCode,
 384                                         lpvInBuffer, cbInBuffer,
 385                                         lpvOutBuffer, cbOutBuffer,
 386                                         lpcbBytesReturned, lpOverlapped );
 387                 }
 388                 else
 389                 {
 390                         /* FIXME: Set appropriate error */
 391                         FIXME( "Unimplemented control %ld for VxD device %s\n",
 392                                dwIoControlCode, info->name ? info->name : "???" );
 393                 }
 394         }
 395         else
 396         {
 397                 switch( dwIoControlCode )
 398                 {
 399                 case FSCTL_DELETE_REPARSE_POINT:
 400                 case FSCTL_DISMOUNT_VOLUME:
 401                 case FSCTL_GET_COMPRESSION:
 402                 case FSCTL_GET_REPARSE_POINT:
 403                 case FSCTL_LOCK_VOLUME:
 404                 case FSCTL_QUERY_ALLOCATED_RANGES:
 405                 case FSCTL_SET_COMPRESSION:
 406                 case FSCTL_SET_REPARSE_POINT:
 407                 case FSCTL_SET_SPARSE:
 408                 case FSCTL_SET_ZERO_DATA:
 409                 case FSCTL_UNLOCK_VOLUME:
 410                 case IOCTL_DISK_CHECK_VERIFY:
 411                 case IOCTL_DISK_EJECT_MEDIA:
 412                 case IOCTL_DISK_FORMAT_TRACKS:
 413                 case IOCTL_DISK_GET_DRIVE_GEOMETRY:
 414                 case IOCTL_DISK_GET_DRIVE_LAYOUT:
 415                 case IOCTL_DISK_GET_MEDIA_TYPES:
 416                 case IOCTL_DISK_GET_PARTITION_INFO:
 417                 case IOCTL_DISK_LOAD_MEDIA:
 418                 case IOCTL_DISK_MEDIA_REMOVAL:
 419                 case IOCTL_DISK_PERFORMANCE:
 420                 case IOCTL_DISK_REASSIGN_BLOCKS:
 421                 case IOCTL_DISK_SET_DRIVE_LAYOUT:
 422                 case IOCTL_DISK_SET_PARTITION_INFO:
 423                 case IOCTL_DISK_VERIFY:
 424                 case IOCTL_SERIAL_LSRMST_INSERT:
 425                 case IOCTL_STORAGE_CHECK_VERIFY:
 426                 case IOCTL_STORAGE_EJECT_MEDIA:
 427                 case IOCTL_STORAGE_GET_MEDIA_TYPES:
 428                 case IOCTL_STORAGE_LOAD_MEDIA:
 429                 case IOCTL_STORAGE_MEDIA_REMOVAL:
 430                         FIXME( "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
 431                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 432                         return FALSE;
 433                         break;
 434                 default:
 435                         FIXME( "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
 436                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 437                         return FALSE;
 438                         break;
 439                 }
 440         }
 441         return FALSE;
 442 }
 443
 444 /***********************************************************************
 445  *           DeviceIo_VTDAPI
 446  */
 447 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 448                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 449                               LPDWORD lpcbBytesReturned,
 450                               LPOVERLAPPED lpOverlapped)
 451 {
 452     BOOL retv = TRUE;
 453
 454     switch (dwIoControlCode)
 455     {
 456     case 5:
 457         if (lpvOutBuffer && (cbOutBuffer>=4))
 458             *(DWORD*)lpvOutBuffer = GetTickCount();
 459
 460         if (lpcbBytesReturned)
 461             *lpcbBytesReturned = 4;
 462
 463         break;
 464
 465     default:
 466         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 467         retv = FALSE;
 468         break;
 469     }
 470
 471     return retv;
 472 }
 473
 474
 475
 476
 477
 478 /***********************************************************************
 479  *           VxDCall                   (KERNEL32.[1-9])
 480  */
 481 void VxDCall( DWORD service, CONTEXT86 *context )
 482 {
 483     DWORD ret = 0xffffffff; /* FIXME */
 484     int i;
 485
 486     TRACE( "(%08lx, ...)\n", service);
 487
 488     for (i = 0; VxDList[i].name; i++)
 489         if (VxDList[i].id == HIWORD(service))
 490             break;
 491
 492     if (!VxDList[i].name)
 493         FIXME( "Unknown VxD (%08lx)\n", service);
 494     else if (!VxDList[i].vxdcall)
 495         FIXME( "Unimplemented VxD (%08lx)\n", service);
 496     else
 497         ret = VxDList[i].vxdcall( service, context );
 498
 499     context->Eax = ret;
 500 }
 501
 502
 503 /***********************************************************************
 504  *           VxDCall_VMM
 505  */
 506 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
 507 {
 508     switch ( LOWORD(service) )
 509     {
 510     case 0x0011:  /* RegOpenKey */
 511     {
 512         HKEY    hkey       = (HKEY)  stack32_pop( context );
 513         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 514         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 515         return RegOpenKeyA( hkey, lpszSubKey, retkey );
 516     }
 517
 518     case 0x0012:  /* RegCreateKey */
 519     {
 520         HKEY    hkey       = (HKEY)  stack32_pop( context );
 521         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 522         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 523         return RegCreateKeyA( hkey, lpszSubKey, retkey );
 524     }
 525
 526     case 0x0013:  /* RegCloseKey */
 527     {
 528         HKEY    hkey       = (HKEY)stack32_pop( context );
 529         return RegCloseKey( hkey );
 530     }
 531
 532     case 0x0014:  /* RegDeleteKey */
 533     {
 534         HKEY    hkey       = (HKEY)  stack32_pop( context );
 535         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 536         return RegDeleteKeyA( hkey, lpszSubKey );
 537     }
 538
 539     case 0x0015:  /* RegSetValue */
 540     {
 541         HKEY    hkey       = (HKEY)  stack32_pop( context );
 542         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 543         DWORD   dwType     = (DWORD) stack32_pop( context );
 544         LPCSTR  lpszData   = (LPCSTR)stack32_pop( context );
 545         DWORD   cbData     = (DWORD) stack32_pop( context );
 546         return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
 547     }
 548
 549     case 0x0016:  /* RegDeleteValue */
 550     {
 551         HKEY    hkey       = (HKEY) stack32_pop( context );
 552         LPSTR   lpszValue  = (LPSTR)stack32_pop( context );
 553         return RegDeleteValueA( hkey, lpszValue );
 554     }
 555
 556     case 0x0017:  /* RegQueryValue */
 557     {
 558         HKEY    hkey       = (HKEY)   stack32_pop( context );
 559         LPSTR   lpszSubKey = (LPSTR)  stack32_pop( context );
 560         LPSTR   lpszData   = (LPSTR)  stack32_pop( context );
 561         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 562         return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
 563     }
 564
 565     case 0x0018:  /* RegEnumKey */
 566     {
 567         HKEY    hkey       = (HKEY) stack32_pop( context );
 568         DWORD   iSubkey    = (DWORD)stack32_pop( context );
 569         LPSTR   lpszName   = (LPSTR)stack32_pop( context );
 570         DWORD   lpcchName  = (DWORD)stack32_pop( context );
 571         return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
 572     }
 573
 574     case 0x0019:  /* RegEnumValue */
 575     {
 576         HKEY    hkey       = (HKEY)   stack32_pop( context );
 577         DWORD   iValue     = (DWORD)  stack32_pop( context );
 578         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 579         LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
 580         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 581         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 582         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 583         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 584         return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
 585                               lpReserved, lpdwType, lpbData, lpcbData );
 586     }
 587
 588     case 0x001A:  /* RegQueryValueEx */
 589     {
 590         HKEY    hkey       = (HKEY)   stack32_pop( context );
 591         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 592         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 593         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 594         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 595         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 596         return RegQueryValueExA( hkey, lpszValue, lpReserved,
 597                                  lpdwType, lpbData, lpcbData );
 598     }
 599
 600     case 0x001B:  /* RegSetValueEx */
 601     {
 602         HKEY    hkey       = (HKEY)  stack32_pop( context );
 603         LPSTR   lpszValue  = (LPSTR) stack32_pop( context );
 604         DWORD   dwReserved = (DWORD) stack32_pop( context );
 605         DWORD   dwType     = (DWORD) stack32_pop( context );
 606         LPBYTE  lpbData    = (LPBYTE)stack32_pop( context );
 607         DWORD   cbData     = (DWORD) stack32_pop( context );
 608         return RegSetValueExA( hkey, lpszValue, dwReserved,
 609                                dwType, lpbData, cbData );
 610     }
 611
 612     case 0x001C:  /* RegFlushKey */
 613     {
 614         HKEY    hkey       = (HKEY)stack32_pop( context );
 615         return RegFlushKey( hkey );
 616     }
 617
 618     case 0x001D:  /* RegQueryInfoKey */
 619     {
 620         /* NOTE: This VxDCall takes only a subset of the parameters that the
 621                  corresponding Win32 API call does. The implementation in Win95
 622                  ADVAPI32 sets all output parameters not mentioned here to zero. */
 623
 624         HKEY    hkey              = (HKEY)   stack32_pop( context );
 625         LPDWORD lpcSubKeys        = (LPDWORD)stack32_pop( context );
 626         LPDWORD lpcchMaxSubKey    = (LPDWORD)stack32_pop( context );
 627         LPDWORD lpcValues         = (LPDWORD)stack32_pop( context );
 628         LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
 629         LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
 630         return RegQueryInfoKeyA( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey,
 631                                  NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData,
 632                                  NULL, NULL );
 633     }
 634
 635     case 0x0021:  /* RegLoadKey */
 636     {
 637         HKEY    hkey       = (HKEY)  stack32_pop( context );
 638         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 639         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 640         return RegLoadKeyA( hkey, lpszSubKey, lpszFile );
 641     }
 642
 643     case 0x0022:  /* RegUnLoadKey */
 644     {
 645         HKEY    hkey       = (HKEY)  stack32_pop( context );
 646         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 647         return RegUnLoadKeyA( hkey, lpszSubKey );
 648     }
 649
 650     case 0x0023:  /* RegSaveKey */
 651     {
 652         HKEY    hkey       = (HKEY)  stack32_pop( context );
 653         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 654         LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
 655         return RegSaveKeyA( hkey, lpszFile, sa );
 656     }
 657
 658 #if 0 /* Functions are not yet implemented in misc/registry.c */
 659     case 0x0024:  /* RegRemapPreDefKey */
 660     case 0x0026:  /* RegQueryMultipleValues */
 661 #endif
 662
 663     case 0x0027:  /* RegReplaceKey */
 664     {
 665         HKEY    hkey       = (HKEY)  stack32_pop( context );
 666         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 667         LPCSTR  lpszNewFile= (LPCSTR)stack32_pop( context );
 668         LPCSTR  lpszOldFile= (LPCSTR)stack32_pop( context );
 669         return RegReplaceKeyA( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
 670     }
 671     case 0x0000: /* PageReserve */
 672       {
 673         LPVOID address;
 674         LPVOID ret;
 675         DWORD psize = VIRTUAL_GetPageSize();
 676         ULONG page   = (ULONG) stack32_pop( context );
 677         ULONG npages = (ULONG) stack32_pop( context );
 678         ULONG flags  = (ULONG) stack32_pop( context );
 679
 680         TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
 681               page, npages, flags );
 682
 683         if ( page == PR_SYSTEM ) {
 684           ERR("Can't reserve ring 1 memory\n");
 685           return -1;
 686         }
 687         /* FIXME: This has to be handled seperatly, when we have seperate
 688            address-spaces */
 689         if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
 690         /* FIXME: Handle flags in some way */
 691         address = (LPVOID )(page * psize);
 692         ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
 693         TRACE("PageReserve: returning: %08lx\n", (DWORD )ret );
 694         if ( ret == NULL )
 695           return -1;
 696         else
 697           return (DWORD )ret;
 698       }
 699
 700     case 0x0001: /* PageCommit */
 701       {
 702         LPVOID address;
 703         LPVOID ret;
 704         DWORD virt_perm;
 705         DWORD psize = VIRTUAL_GetPageSize();
 706         ULONG page   = (ULONG) stack32_pop( context );
 707         ULONG npages = (ULONG) stack32_pop( context );
 708         ULONG hpd  = (ULONG) stack32_pop( context );
 709         ULONG pagerdata   = (ULONG) stack32_pop( context );
 710         ULONG flags  = (ULONG) stack32_pop( context );
 711
 712         TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
 713               "%08lx, flags: %08lx partial stub\n",
 714               page, npages, hpd, pagerdata, flags );
 715
 716         if ( flags & PC_USER )
 717           if ( flags & PC_WRITEABLE )
 718             virt_perm = PAGE_EXECUTE_READWRITE;
 719           else
 720             virt_perm = PAGE_EXECUTE_READ;
 721         else
 722           virt_perm = PAGE_NOACCESS;
 723
 724         address = (LPVOID )(page * psize);
 725         ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
 726         TRACE("PageCommit: Returning: %08lx\n", (DWORD )ret );
 727         return (DWORD )ret;
 728
 729       }
 730     case 0x0002: /* PageDecommit */
 731       {
 732         LPVOID address;
 733         BOOL ret;
 734         DWORD psize = VIRTUAL_GetPageSize();
 735         ULONG page = (ULONG) stack32_pop( context );
 736         ULONG npages = (ULONG) stack32_pop( context );
 737         ULONG flags = (ULONG) stack32_pop( context );
 738
 739         TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
 740               page, npages, flags );
 741         address = (LPVOID )( page * psize );
 742         ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
 743         TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
 744         return ret;
 745       }
 746     case 0x000d: /* PageModifyPermissions */
 747       {
 748         DWORD pg_old_perm;
 749         DWORD pg_new_perm;
 750         DWORD virt_old_perm;
 751         DWORD virt_new_perm;
 752         MEMORY_BASIC_INFORMATION mbi;
 753         LPVOID address;
 754         DWORD psize = VIRTUAL_GetPageSize();
 755         ULONG page = stack32_pop ( context );
 756         ULONG npages = stack32_pop ( context );
 757         ULONG permand = stack32_pop ( context );
 758         ULONG permor = stack32_pop ( context );
 759
 760         TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
 761               page, npages, permand, permor );
 762         address = (LPVOID )( page * psize );
 763
 764         VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
 765         virt_old_perm = mbi.Protect;
 766
 767         switch ( virt_old_perm & mbi.Protect ) {
 768         case PAGE_READONLY:
 769         case PAGE_EXECUTE:
 770         case PAGE_EXECUTE_READ:
 771           pg_old_perm = PC_USER;
 772           break;
 773         case PAGE_READWRITE:
 774         case PAGE_WRITECOPY:
 775         case PAGE_EXECUTE_READWRITE:
 776         case PAGE_EXECUTE_WRITECOPY:
 777           pg_old_perm = PC_USER | PC_WRITEABLE;
 778           break;
 779         case PAGE_NOACCESS:
 780         default:
 781           pg_old_perm = 0;
 782           break;
 783         }
 784         pg_new_perm = pg_old_perm;
 785         pg_new_perm &= permand & ~PC_STATIC;
 786         pg_new_perm |= permor  & ~PC_STATIC;
 787
 788         virt_new_perm = ( virt_old_perm )  & ~0xff;
 789         if ( pg_new_perm & PC_USER )
 790         {
 791           if ( pg_new_perm & PC_WRITEABLE )
 792             virt_new_perm |= PAGE_EXECUTE_READWRITE;
 793           else
 794             virt_new_perm |= PAGE_EXECUTE_READ;
 795         }
 796
 797         if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
 798           ERR("Can't change page permissions for %08lx\n", (DWORD )address );
 799           return 0xffffffff;
 800         }
 801         TRACE("Returning: %08lx\n", pg_old_perm );
 802         return pg_old_perm;
 803       }
 804     case 0x000a: /* PageFree */
 805       {
 806         BOOL ret;
 807         LPVOID hmem = (LPVOID) stack32_pop( context );
 808         DWORD flags = (DWORD ) stack32_pop( context );
 809
 810         TRACE("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
 811               (DWORD )hmem, flags );
 812
 813         ret = VirtualFree ( hmem, 0, MEM_RELEASE );
 814         context->Eax = ret;
 815         TRACE("Returning: %d\n", ret );
 816
 817         return 0;
 818       }
 819     case 0x001e: /* GetDemandPageInfo */
 820       {
 821          DWORD dinfo = (DWORD)stack32_pop( context );
 822          DWORD flags = (DWORD)stack32_pop( context );
 823
 824          /* GetDemandPageInfo is supposed to fill out the struct at
 825           * "dinfo" with various low-level memory management information.
 826           * Apps are certainly not supposed to call this, although it's
 827           * demoed and documented by Pietrek on pages 441-443 of "Windows
 828           * 95 System Programming Secrets" if any program needs a real
 829           * implementation of this.
 830           */
 831
 832          FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
 833
 834          return 0;
 835       }
 836     default:
 837         if (LOWORD(service) < N_VMM_SERVICE)
 838             FIXME( "Unimplemented service %s (%08lx)\n",
 839                           VMM_Service_Name[LOWORD(service)], service);
 840         else
 841             FIXME( "Unknown service %08lx\n", service);
 842         break;
 843     }
 844
 845     return 0xffffffff;  /* FIXME */
 846 }
 847
 848 /***********************************************************************
 849  *           DeviceIo_IFSMgr
 850  * NOTES
 851  *   The ioctls is used by 'MSNET32.DLL'.
 852  *
 853  *   I have been unable to uncover any documentation about the ioctls so
 854  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
 855  *   based on a resonable guesses on information found in the Windows 95 DDK.
 856  *
 857  */
 858
 859 /*
 860  * IFSMgr DeviceIO service
 861  */
 862
 863 #define IFS_IOCTL_21                100
 864 #define IFS_IOCTL_2F                101
 865 #define IFS_IOCTL_GET_RES           102
 866 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
 867
 868 struct win32apireq {
 869         unsigned long   ar_proid;
 870         unsigned long   ar_eax;
 871         unsigned long   ar_ebx;
 872         unsigned long   ar_ecx;
 873         unsigned long   ar_edx;
 874         unsigned long   ar_esi;
 875         unsigned long   ar_edi;
 876         unsigned long   ar_ebp;
 877         unsigned short  ar_error;
 878         unsigned short  ar_pad;
 879 };
 880
 881 static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT86 *pCxt)
 882 {
 883         memset(pCxt,0,sizeof(*pCxt));
 884
 885         pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
 886         pCxt->Eax = pIn->ar_eax;
 887         pCxt->Ebx = pIn->ar_ebx;
 888         pCxt->Ecx = pIn->ar_ecx;
 889         pCxt->Edx = pIn->ar_edx;
 890         pCxt->Esi = pIn->ar_esi;
 891         pCxt->Edi = pIn->ar_edi;
 892
 893         /* FIXME: Only partial CONTEXT86_CONTROL */
 894         pCxt->Ebp = pIn->ar_ebp;
 895
 896         /* FIXME: pIn->ar_proid ignored */
 897         /* FIXME: pIn->ar_error ignored */
 898         /* FIXME: pIn->ar_pad ignored */
 899 }
 900
 901 static void CONTEXT_2_win32apieq(CONTEXT86 *pCxt,struct win32apireq *pOut)
 902 {
 903         memset(pOut,0,sizeof(struct win32apireq));
 904
 905         pOut->ar_eax = pCxt->Eax;
 906         pOut->ar_ebx = pCxt->Ebx;
 907         pOut->ar_ecx = pCxt->Ecx;
 908         pOut->ar_edx = pCxt->Edx;
 909         pOut->ar_esi = pCxt->Esi;
 910         pOut->ar_edi = pCxt->Edi;
 911
 912         /* FIXME: Only partial CONTEXT86_CONTROL */
 913         pOut->ar_ebp = pCxt->Ebp;
 914
 915         /* FIXME: pOut->ar_proid ignored */
 916         /* FIXME: pOut->ar_error ignored */
 917         /* FIXME: pOut->ar_pad ignored */
 918 }
 919
 920 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 921                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 922                               LPDWORD lpcbBytesReturned,
 923                               LPOVERLAPPED lpOverlapped)
 924 {
 925     BOOL retv = TRUE;
 926         TRACE("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
 927                         dwIoControlCode,
 928                         lpvInBuffer,cbInBuffer,
 929                         lpvOutBuffer,cbOutBuffer,
 930                         lpcbBytesReturned,
 931                         lpOverlapped);
 932
 933     switch (dwIoControlCode)
 934     {
 935         case IFS_IOCTL_21:
 936         case IFS_IOCTL_2F:{
 937                 CONTEXT86 cxt;
 938                 struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 939                 struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 940
 941                 TRACE(
 942                         "Control '%s': "
 943                         "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 944                         "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 945                         "error=0x%04x, pad=0x%04x\n",
 946                         (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 947                         pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 948                         pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 949                         pIn->ar_error, pIn->ar_pad
 950                 );
 951
 952                 win32apieq_2_CONTEXT(pIn,&cxt);
 953
 954                 if(dwIoControlCode==IFS_IOCTL_21)
 955                 {
 956                         DOS3Call(&cxt); /* Call int 21h */
 957                 } else {
 958                         INT_Int2fHandler(&cxt); /* Call int 2Fh */
 959                 }
 960
 961                 CONTEXT_2_win32apieq(&cxt,pOut);
 962
 963         retv = TRUE;
 964         } break;
 965         case IFS_IOCTL_GET_RES:{
 966         FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 967         retv = FALSE;
 968         } break;
 969         case IFS_IOCTL_GET_NETPRO_NAME_A:{
 970         FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 971         retv = FALSE;
 972         } break;
 973     default:
 974         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 975         retv = FALSE;
 976     }
 977
 978     return retv;
 979 }
 980
 981 /********************************************************************************
 982  *      VxDCall_VWin32
 983  *
 984  *  Service numbers taken from page 448 of Pietrek's "Windows 95 System
 985  *  Progrmaming Secrets".  Parameters from experimentation on real Win98.
 986  *
 987  */
 988
 989 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
 990 {
 991   switch ( LOWORD(service) )
 992     {
 993     case 0x0000: /* GetVersion */
 994     {
 995         DWORD vers = GetVersion();
 996         return (LOBYTE(vers) << 8) | HIBYTE(vers);
 997     }
 998     break;
 999
1000     case 0x0020: /* Get VMCPD Version */
1001     {
1002         DWORD parm = (DWORD) stack32_pop(context);
1003
1004         FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
1005
1006         /* FIXME: This is what Win98 returns, it may
1007          *        not be correct in all situations.
1008          *        It makes Bleem! happy though.
1009          */
1010
1011         return 0x0405;
1012     }
1013
1014     case 0x0029: /* Int31/DPMI dispatch */
1015     {
1016         DWORD callnum = (DWORD) stack32_pop(context);
1017         DWORD parm    = (DWORD) stack32_pop(context);
1018
1019         TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
1020
1021         AX_reg(context) = callnum;
1022         CX_reg(context) = parm;
1023         INT_Int31Handler(context);
1024
1025         return LOWORD(context->Eax);
1026     }
1027     break;
1028
1029     case 0x002a: /* Int41 dispatch - parm = int41 service number */
1030     {
1031         DWORD callnum = (DWORD) stack32_pop(context);
1032
1033         return callnum; /* FIXME: should really call INT_Int41Handler() */
1034     }
1035     break;
1036
1037     default:
1038       FIXME("Unknown VWin32 service %08lx\n", service);
1039       break;
1040     }
1041
1042   return 0xffffffff;
1043 }
1044
1045
1046
1047 /***********************************************************************
1048  *           DeviceIo_VWin32
1049  */
1050
1051 static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
1052 {
1053     memset( pCxt, 0, sizeof(*pCxt) );
1054     /* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
1055              will interpret 32-bit register contents as linear pointers */
1056
1057     pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
1058     pCxt->Eax = pIn->reg_EAX;
1059     pCxt->Ebx = pIn->reg_EBX;
1060     pCxt->Ecx = pIn->reg_ECX;
1061     pCxt->Edx = pIn->reg_EDX;
1062     pCxt->Esi = pIn->reg_ESI;
1063     pCxt->Edi = pIn->reg_EDI;
1064
1065     /* FIXME: Only partial CONTEXT86_CONTROL */
1066     pCxt->EFlags = pIn->reg_Flags;
1067 }
1068
1069 static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
1070 {
1071     memset( pOut, 0, sizeof(DIOC_REGISTERS) );
1072
1073     pOut->reg_EAX = pCxt->Eax;
1074     pOut->reg_EBX = pCxt->Ebx;
1075     pOut->reg_ECX = pCxt->Ecx;
1076     pOut->reg_EDX = pCxt->Edx;
1077     pOut->reg_ESI = pCxt->Esi;
1078     pOut->reg_EDI = pCxt->Edi;
1079
1080     /* FIXME: Only partial CONTEXT86_CONTROL */
1081     pOut->reg_Flags = pCxt->EFlags;
1082 }
1083
1084
1085 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
1086                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1087                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1088                               LPDWORD lpcbBytesReturned,
1089                               LPOVERLAPPED lpOverlapped)
1090 {
1091     BOOL retv = TRUE;
1092
1093     switch (dwIoControlCode)
1094     {
1095     case VWIN32_DIOC_DOS_IOCTL:
1096     case VWIN32_DIOC_DOS_INT13:
1097     case VWIN32_DIOC_DOS_INT25:
1098     case VWIN32_DIOC_DOS_INT26:
1099         case VWIN32_DIOC_DOS_DRIVEINFO:
1100     {
1101         CONTEXT86 cxt;
1102         DIOC_REGISTERS *pIn  = (DIOC_REGISTERS *)lpvInBuffer;
1103         DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
1104
1105         TRACE( "Control '%s': "
1106                "eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
1107                "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
1108                (dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
1109                (dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
1110                (dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
1111                (dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" :
1112                (dwIoControlCode == VWIN32_DIOC_DOS_DRIVEINFO)? "VWIN32_DIOC_DOS_DRIVEINFO" :  "???",
1113                pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
1114                pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
1115
1116         DIOCRegs_2_CONTEXT( pIn, &cxt );
1117
1118         switch (dwIoControlCode)
1119         {
1120         case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
1121         case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
1122         case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
1123         case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
1124                 case VWIN32_DIOC_DOS_DRIVEINFO: DOS3Call( &cxt ); break; /* Call int 21h 730x */
1125         }
1126
1127         CONTEXT_2_DIOCRegs( &cxt, pOut );
1128     }
1129     break;
1130
1131     case VWIN32_DIOC_SIMCTRLC:
1132         FIXME( "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
1133         retv = FALSE;
1134         break;
1135
1136     default:
1137         FIXME( "Unknown Control %ld\n", dwIoControlCode);
1138         retv = FALSE;
1139         break;
1140     }
1141
1142     return retv;
1143 }
1144
1145 /* this is the main multimedia device loader */
1146 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
1147                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1148                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1149                               LPDWORD lpcbBytesReturned,
1150                               LPOVERLAPPED lpOverlapped)
1151 {
1152         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1153             dwIoControlCode,
1154             lpvInBuffer,cbInBuffer,
1155             lpvOutBuffer,cbOutBuffer,
1156             lpcbBytesReturned,
1157             lpOverlapped
1158         );
1159         switch (dwIoControlCode) {
1160         case 5:
1161                 /* Hmm. */
1162                 *(DWORD*)lpvOutBuffer=0;
1163                 *lpcbBytesReturned=4;
1164                 return TRUE;
1165         }
1166         return FALSE;
1167 }
1168 /* this is used by some Origin games */
1169 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
1170                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1171                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1172                               LPDWORD lpcbBytesReturned,
1173                               LPOVERLAPPED lpOverlapped)
1174 {
1175         switch (dwIoControlCode) {
1176         case 1: /* version */
1177                 *(LPDWORD)lpvOutBuffer = 0x20004; /* WC SecretOps */
1178                 break;
1179         case 9: /* debug output */
1180                 ERR("MONODEBG: %s\n",debugstr_a(lpvInBuffer));
1181                 break;
1182         default:
1183                 FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1184                         dwIoControlCode,
1185                         lpvInBuffer,cbInBuffer,
1186                         lpvOutBuffer,cbOutBuffer,
1187                         lpcbBytesReturned,
1188                         lpOverlapped
1189                 );
1190                 break;
1191         }
1192         return TRUE;
1193 }
1194 /* pccard */
1195 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
1196                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1197                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1198                               LPDWORD lpcbBytesReturned,
1199                               LPOVERLAPPED lpOverlapped)
1200 {
1201         switch (dwIoControlCode) {
1202         case 0x0000: /* PCCARD_Get_Version */
1203         case 0x0001: /* PCCARD_Card_Services */
1204         default:
1205                 FIXME( "(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1206                         dwIoControlCode,
1207                         lpvInBuffer,cbInBuffer,
1208                         lpvOutBuffer,cbOutBuffer,
1209                         lpcbBytesReturned,
1210                         lpOverlapped
1211                 );
1212                 break;
1213         }
1214         return FALSE;
1215 }
1216
1217 /***********************************************************************
1218  *              OpenVxDHandle
1219  */
1220 DWORD   WINAPI  OpenVxDHandle(DWORD pmt)
1221 {
1222         FIXME( "(0x%08lx) stub!\n", pmt);
1223         return 0;
1224 }