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