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 static BOOL DeviceIo_HASP (DWORD dwIoControlCode,
  83                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  84                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  85                               LPDWORD lpcbBytesReturned,
  86                               LPOVERLAPPED lpOverlapped);
  87 /*
  88  * VxD names are taken from the Win95 DDK
  89  */
  90
  91 struct VxDInfo
  92 {
  93     LPCSTR  name;
  94     WORD    id;
  95     DWORD (*vxdcall)(DWORD, CONTEXT86 *);
  96     BOOL  (*deviceio)(DWORD, LPVOID, DWORD,
  97                         LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
  98 };
  99
 100 static const struct VxDInfo VxDList[] =
 101 {
 102     /* Standard VxD IDs */
 103     { "VMM",      0x0001, VxDCall_VMM, NULL },
 104     { "DEBUG",    0x0002, NULL, NULL },
 105     { "VPICD",    0x0003, NULL, NULL },
 106     { "VDMAD",    0x0004, NULL, NULL },
 107     { "VTD",      0x0005, NULL, NULL },
 108     { "V86MMGR",  0x0006, NULL, NULL },
 109     { "PAGESWAP", 0x0007, NULL, NULL },
 110     { "PARITY",   0x0008, NULL, NULL },
 111     { "REBOOT",   0x0009, NULL, NULL },
 112     { "VDD",      0x000A, NULL, NULL },
 113     { "VSD",      0x000B, NULL, NULL },
 114     { "VMD",      0x000C, NULL, NULL },
 115     { "VKD",      0x000D, NULL, NULL },
 116     { "VCD",      0x000E, NULL, NULL },
 117     { "VPD",      0x000F, NULL, NULL },
 118     { "BLOCKDEV", 0x0010, NULL, NULL },
 119     { "VMCPD",    0x0011, NULL, NULL },
 120     { "EBIOS",    0x0012, NULL, NULL },
 121     { "BIOSXLAT", 0x0013, NULL, NULL },
 122     { "VNETBIOS", 0x0014, NULL, NULL },
 123     { "DOSMGR",   0x0015, NULL, NULL },
 124     { "WINLOAD",  0x0016, NULL, NULL },
 125     { "SHELL",    0x0017, NULL, NULL },
 126     { "VMPOLL",   0x0018, NULL, NULL },
 127     { "VPROD",    0x0019, NULL, NULL },
 128     { "DOSNET",   0x001A, NULL, NULL },
 129     { "VFD",      0x001B, NULL, NULL },
 130     { "VDD2",     0x001C, NULL, NULL },
 131     { "WINDEBUG", 0x001D, NULL, NULL },
 132     { "TSRLOAD",  0x001E, NULL, NULL },
 133     { "BIOSHOOK", 0x001F, NULL, NULL },
 134     { "INT13",    0x0020, NULL, NULL },
 135     { "PAGEFILE", 0x0021, NULL, NULL },
 136     { "SCSI",     0x0022, NULL, NULL },
 137     { "MCA_POS",  0x0023, NULL, NULL },
 138     { "SCSIFD",   0x0024, NULL, NULL },
 139     { "VPEND",    0x0025, NULL, NULL },
 140     { "VPOWERD",  0x0026, NULL, NULL },
 141     { "VXDLDR",   0x0027, NULL, NULL },
 142     { "NDIS",     0x0028, NULL, NULL },
 143     { "BIOS_EXT", 0x0029, NULL, NULL },
 144     { "VWIN32",   0x002A, VxDCall_VWin32, DeviceIo_VWin32 },
 145     { "VCOMM",    0x002B, NULL, NULL },
 146     { "SPOOLER",  0x002C, NULL, NULL },
 147     { "WIN32S",   0x002D, NULL, NULL },
 148     { "DEBUGCMD", 0x002E, NULL, NULL },
 149
 150     { "VNB",      0x0031, NULL, NULL },
 151     { "SERVER",   0x0032, NULL, NULL },
 152     { "CONFIGMG", 0x0033, NULL, NULL },
 153     { "DWCFGMG",  0x0034, NULL, NULL },
 154     { "SCSIPORT", 0x0035, NULL, NULL },
 155     { "VFBACKUP", 0x0036, NULL, NULL },
 156     { "ENABLE",   0x0037, NULL, NULL },
 157     { "VCOND",    0x0038, NULL, NULL },
 158
 159     { "EFAX",     0x003A, NULL, NULL },
 160     { "DSVXD",    0x003B, NULL, NULL },
 161     { "ISAPNP",   0x003C, NULL, NULL },
 162     { "BIOS",     0x003D, NULL, NULL },
 163     { "WINSOCK",  0x003E, NULL, NULL },
 164     { "WSOCK",    0x003E, NULL, NULL },
 165     { "WSIPX",    0x003F, NULL, NULL },
 166     { "IFSMgr",   0x0040, NULL, DeviceIo_IFSMgr },
 167     { "VCDFSD",   0x0041, NULL, NULL },
 168     { "MRCI2",    0x0042, NULL, NULL },
 169     { "PCI",      0x0043, NULL, NULL },
 170     { "PELOADER", 0x0044, NULL, NULL },
 171     { "EISA",     0x0045, NULL, NULL },
 172     { "DRAGCLI",  0x0046, NULL, NULL },
 173     { "DRAGSRV",  0x0047, NULL, NULL },
 174     { "PERF",     0x0048, NULL, NULL },
 175     { "AWREDIR",  0x0049, NULL, NULL },
 176
 177     /* Far East support */
 178     { "ETEN",     0x0060, NULL, NULL },
 179     { "CHBIOS",   0x0061, NULL, NULL },
 180     { "VMSGD",    0x0062, NULL, NULL },
 181     { "VPPID",    0x0063, NULL, NULL },
 182     { "VIME",     0x0064, NULL, NULL },
 183     { "VHBIOSD",  0x0065, NULL, NULL },
 184
 185     /* Multimedia OEM IDs */
 186     { "VTDAPI",   0x0442, NULL, DeviceIo_VTDAPI },
 187     { "MMDEVLDR", 0x044A, NULL, DeviceIo_MMDEVLDR },
 188
 189     /* Network Device IDs */
 190     { "VNetSup",  0x0480, NULL, NULL },
 191     { "VRedir",   0x0481, NULL, NULL },
 192     { "VBrowse",  0x0482, NULL, NULL },
 193     { "VSHARE",   0x0483, NULL, NULL },
 194     { "IFSMgr",   0x0484, NULL, NULL },
 195     { "MEMPROBE", 0x0485, NULL, NULL },
 196     { "VFAT",     0x0486, NULL, NULL },
 197     { "NWLINK",   0x0487, NULL, NULL },
 198     { "VNWLINK",  0x0487, NULL, NULL },
 199     { "NWSUP",    0x0487, NULL, NULL },
 200     { "VTDI",     0x0488, NULL, NULL },
 201     { "VIP",      0x0489, NULL, NULL },
 202     { "VTCP",     0x048A, NULL, NULL },
 203     { "VCache",   0x048B, NULL, NULL },
 204     { "VUDP",     0x048C, NULL, NULL },
 205     { "VAsync",   0x048D, NULL, NULL },
 206     { "NWREDIR",  0x048E, NULL, NULL },
 207     { "STAT80",   0x048F, NULL, NULL },
 208     { "SCSIPORT", 0x0490, NULL, NULL },
 209     { "FILESEC",  0x0491, NULL, NULL },
 210     { "NWSERVER", 0x0492, NULL, NULL },
 211     { "SECPROV",  0x0493, NULL, NULL },
 212     { "NSCL",     0x0494, NULL, NULL },
 213     { "WSTCP",    0x0495, NULL, NULL },
 214     { "NDIS2SUP", 0x0496, NULL, NULL },
 215     { "MSODISUP", 0x0497, NULL, NULL },
 216     { "Splitter", 0x0498, NULL, NULL },
 217     { "PPP",      0x0499, NULL, NULL },
 218     { "VDHCP",    0x049A, NULL, NULL },
 219     { "VNBT",     0x049B, NULL, NULL },
 220     { "LOGGER",   0x049D, NULL, NULL },
 221     { "EFILTER",  0x049E, NULL, NULL },
 222     { "FFILTER",  0x049F, NULL, NULL },
 223     { "TFILTER",  0x04A0, NULL, NULL },
 224     { "AFILTER",  0x04A1, NULL, NULL },
 225     { "IRLAMP",   0x04A2, NULL, NULL },
 226
 227     { "PCCARD",   0x097C, NULL, DeviceIo_PCCARD },
 228     { "HASP95",   0x3721, NULL, DeviceIo_HASP },
 229
 230     /* WINE additions, ids unknown */
 231     { "MONODEBG.VXD", 0x4242, NULL, DeviceIo_MONODEBG },
 232
 233     { NULL,       0,      NULL, NULL }
 234 };
 235
 236 /*
 237  * VMM VxDCall service names are (mostly) taken from Stan Mitchell's
 238  * "Inside the Windows 95 File System"
 239  */
 240
 241 #define N_VMM_SERVICE 41
 242
 243 LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
 244 {
 245     "PageReserve",            /* 0x0000 */
 246     "PageCommit",             /* 0x0001 */
 247     "PageDecommit",           /* 0x0002 */
 248     "PagerRegister",          /* 0x0003 */
 249     "PagerQuery",             /* 0x0004 */
 250     "HeapAllocate",           /* 0x0005 */
 251     "ContextCreate",          /* 0x0006 */
 252     "ContextDestroy",         /* 0x0007 */
 253     "PageAttach",             /* 0x0008 */
 254     "PageFlush",              /* 0x0009 */
 255     "PageFree",               /* 0x000A */
 256     "ContextSwitch",          /* 0x000B */
 257     "HeapReAllocate",         /* 0x000C */
 258     "PageModifyPermissions",  /* 0x000D */
 259     "PageQuery",              /* 0x000E */
 260     "GetCurrentContext",      /* 0x000F */
 261     "HeapFree",               /* 0x0010 */
 262     "RegOpenKey",             /* 0x0011 */
 263     "RegCreateKey",           /* 0x0012 */
 264     "RegCloseKey",            /* 0x0013 */
 265     "RegDeleteKey",           /* 0x0014 */
 266     "RegSetValue",            /* 0x0015 */
 267     "RegDeleteValue",         /* 0x0016 */
 268     "RegQueryValue",          /* 0x0017 */
 269     "RegEnumKey",             /* 0x0018 */
 270     "RegEnumValue",           /* 0x0019 */
 271     "RegQueryValueEx",        /* 0x001A */
 272     "RegSetValueEx",          /* 0x001B */
 273     "RegFlushKey",            /* 0x001C */
 274     "RegQueryInfoKey",        /* 0x001D */
 275     "GetDemandPageInfo",      /* 0x001E */
 276     "BlockOnID",              /* 0x001F */
 277     "SignalID",               /* 0x0020 */
 278     "RegLoadKey",             /* 0x0021 */
 279     "RegUnLoadKey",           /* 0x0022 */
 280     "RegSaveKey",             /* 0x0023 */
 281     "RegRemapPreDefKey",      /* 0x0024 */
 282     "PageChangePager",        /* 0x0025 */
 283     "RegQueryMultipleValues", /* 0x0026 */
 284     "RegReplaceKey",          /* 0x0027 */
 285     "<KERNEL32.101>"          /* 0x0028 -- What does this do??? */
 286 };
 287
 288 /* PageReserve arena values */
 289 #define PR_PRIVATE  0x80000400  /* anywhere in private arena */
 290 #define PR_SHARED   0x80060000  /* anywhere in shared arena */
 291 #define PR_SYSTEM   0x80080000  /* anywhere in system arena */
 292
 293 /* PageReserve flags */
 294 #define PR_FIXED    0x00000008  /* don't move during PageReAllocate */
 295 #define PR_4MEG     0x00000001  /* allocate on 4mb boundary */
 296 #define PR_STATIC   0x00000010  /* see PageReserve documentation */
 297
 298 /* PageCommit default pager handle values */
 299 #define PD_ZEROINIT 0x00000001  /* swappable zero-initialized pages */
 300 #define PD_NOINIT   0x00000002  /* swappable uninitialized pages */
 301 #define PD_FIXEDZERO    0x00000003  /* fixed zero-initialized pages */
 302 #define PD_FIXED    0x00000004  /* fixed uninitialized pages */
 303
 304 /* PageCommit flags */
 305 #define PC_FIXED    0x00000008  /* pages are permanently locked */
 306 #define PC_LOCKED   0x00000080  /* pages are made present and locked*/
 307 #define PC_LOCKEDIFDP   0x00000100  /* pages are locked if swap via DOS */
 308 #define PC_WRITEABLE    0x00020000  /* make the pages writeable */
 309 #define PC_USER     0x00040000  /* make the pages ring 3 accessible */
 310 #define PC_INCR     0x40000000  /* increment "pagerdata" each page */
 311 #define PC_PRESENT  0x80000000  /* make pages initially present */
 312 #define PC_STATIC   0x20000000  /* allow commit in PR_STATIC object */
 313 #define PC_DIRTY    0x08000000  /* make pages initially dirty */
 314 #define PC_CACHEDIS 0x00100000  /* Allocate uncached pages - new for WDM */
 315 #define PC_CACHEWT  0x00080000  /* Allocate write through cache pages - new for WDM */
 316 #define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
 317
 318 /* PageCommitContig additional flags */
 319 #define PCC_ZEROINIT    0x00000001  /* zero-initialize new pages */
 320 #define PCC_NOLIN   0x10000000  /* don't map to any linear address */
 321
 322
 323
 324 HANDLE DEVICE_Open( LPCSTR filename, DWORD access,
 325                       LPSECURITY_ATTRIBUTES sa )
 326 {
 327     const struct VxDInfo *info;
 328
 329     for (info = VxDList; info->name; info++)
 330         if (!strncasecmp( info->name, filename, strlen(info->name) ))
 331             return FILE_CreateDevice( info->id | 0x10000, access, sa );
 332
 333     FIXME( "Unknown VxD %s. Try --winver nt40 !\n", filename);
 334     SetLastError( ERROR_FILE_NOT_FOUND );
 335     return HFILE_ERROR;
 336 }
 337
 338 static const struct VxDInfo *DEVICE_GetInfo( HANDLE handle )
 339 {
 340     const struct VxDInfo *info = NULL;
 341     SERVER_START_REQ
 342     {
 343         struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
 344
 345         req->handle = handle;
 346         if (!server_call( REQ_GET_FILE_INFO ) &&
 347             (req->type == FILE_TYPE_UNKNOWN) &&
 348             (req->attr & 0x10000))
 349         {
 350             for (info = VxDList; info->name; info++)
 351                 if (info->id == LOWORD(req->attr)) break;
 352         }
 353     }
 354     SERVER_END_REQ;
 355     return info;
 356 }
 357
 358 /****************************************************************************
 359  *              DeviceIoControl (KERNEL32.188)
 360  * This is one of those big ugly nasty procedure which can do
 361  * a million and one things when it comes to devices. It can also be
 362  * used for VxD communication.
 363  *
 364  * A return value of FALSE indicates that something has gone wrong which
 365  * GetLastError can decypher.
 366  */
 367 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
 368                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 369                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 370                               LPDWORD lpcbBytesReturned,
 371                               LPOVERLAPPED lpOverlapped)
 372 {
 373         const struct VxDInfo *info;
 374
 375         TRACE( "(%d,%ld,%p,%ld,%p,%ld,%p,%p)\n",
 376                hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
 377                lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped  );
 378
 379         if (!(info = DEVICE_GetInfo( hDevice )))
 380         {
 381                 SetLastError( ERROR_INVALID_PARAMETER );
 382                 return FALSE;
 383         }
 384
 385         /* Check if this is a user defined control code for a VxD */
 386         if( HIWORD( dwIoControlCode ) == 0 )
 387         {
 388                 if ( info->deviceio )
 389                 {
 390                         return info->deviceio( dwIoControlCode,
 391                                         lpvInBuffer, cbInBuffer,
 392                                         lpvOutBuffer, cbOutBuffer,
 393                                         lpcbBytesReturned, lpOverlapped );
 394                 }
 395                 else
 396                 {
 397                         /* FIXME: Set appropriate error */
 398                         FIXME( "Unimplemented control %ld for VxD device %s\n",
 399                                dwIoControlCode, info->name ? info->name : "???" );
 400                 }
 401         }
 402         else
 403         {
 404                 switch( dwIoControlCode )
 405                 {
 406                 case FSCTL_DELETE_REPARSE_POINT:
 407                 case FSCTL_DISMOUNT_VOLUME:
 408                 case FSCTL_GET_COMPRESSION:
 409                 case FSCTL_GET_REPARSE_POINT:
 410                 case FSCTL_LOCK_VOLUME:
 411                 case FSCTL_QUERY_ALLOCATED_RANGES:
 412                 case FSCTL_SET_COMPRESSION:
 413                 case FSCTL_SET_REPARSE_POINT:
 414                 case FSCTL_SET_SPARSE:
 415                 case FSCTL_SET_ZERO_DATA:
 416                 case FSCTL_UNLOCK_VOLUME:
 417                 case IOCTL_DISK_CHECK_VERIFY:
 418                 case IOCTL_DISK_EJECT_MEDIA:
 419                 case IOCTL_DISK_FORMAT_TRACKS:
 420                 case IOCTL_DISK_GET_DRIVE_GEOMETRY:
 421                 case IOCTL_DISK_GET_DRIVE_LAYOUT:
 422                 case IOCTL_DISK_GET_MEDIA_TYPES:
 423                 case IOCTL_DISK_GET_PARTITION_INFO:
 424                 case IOCTL_DISK_LOAD_MEDIA:
 425                 case IOCTL_DISK_MEDIA_REMOVAL:
 426                 case IOCTL_DISK_PERFORMANCE:
 427                 case IOCTL_DISK_REASSIGN_BLOCKS:
 428                 case IOCTL_DISK_SET_DRIVE_LAYOUT:
 429                 case IOCTL_DISK_SET_PARTITION_INFO:
 430                 case IOCTL_DISK_VERIFY:
 431                 case IOCTL_SERIAL_LSRMST_INSERT:
 432                 case IOCTL_STORAGE_CHECK_VERIFY:
 433                 case IOCTL_STORAGE_EJECT_MEDIA:
 434                 case IOCTL_STORAGE_GET_MEDIA_TYPES:
 435                 case IOCTL_STORAGE_LOAD_MEDIA:
 436                 case IOCTL_STORAGE_MEDIA_REMOVAL:
 437                         FIXME( "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
 438                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 439                         return FALSE;
 440                         break;
 441                 default:
 442                         FIXME( "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
 443                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 444                         return FALSE;
 445                         break;
 446                 }
 447         }
 448         return FALSE;
 449 }
 450
 451 /***********************************************************************
 452  *           DeviceIo_VTDAPI
 453  */
 454 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 455                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 456                               LPDWORD lpcbBytesReturned,
 457                               LPOVERLAPPED lpOverlapped)
 458 {
 459     BOOL retv = TRUE;
 460
 461     switch (dwIoControlCode)
 462     {
 463     case 5:
 464         if (lpvOutBuffer && (cbOutBuffer>=4))
 465             *(DWORD*)lpvOutBuffer = GetTickCount();
 466
 467         if (lpcbBytesReturned)
 468             *lpcbBytesReturned = 4;
 469
 470         break;
 471
 472     default:
 473         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 474         retv = FALSE;
 475         break;
 476     }
 477
 478     return retv;
 479 }
 480
 481
 482
 483
 484
 485 /***********************************************************************
 486  *           VxDCall                   (KERNEL32.[1-9])
 487  */
 488 void VxDCall( DWORD service, CONTEXT86 *context )
 489 {
 490     DWORD ret = 0xffffffff; /* FIXME */
 491     int i;
 492
 493     TRACE( "(%08lx, ...)\n", service);
 494
 495     for (i = 0; VxDList[i].name; i++)
 496         if (VxDList[i].id == HIWORD(service))
 497             break;
 498
 499     if (!VxDList[i].name)
 500         FIXME( "Unknown VxD (%08lx)\n", service);
 501     else if (!VxDList[i].vxdcall)
 502         FIXME( "Unimplemented VxD (%08lx)\n", service);
 503     else
 504         ret = VxDList[i].vxdcall( service, context );
 505
 506     context->Eax = ret;
 507 }
 508
 509
 510 /***********************************************************************
 511  *           VxDCall_VMM
 512  */
 513 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
 514 {
 515     switch ( LOWORD(service) )
 516     {
 517     case 0x0011:  /* RegOpenKey */
 518     {
 519         HKEY    hkey       = (HKEY)  stack32_pop( context );
 520         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 521         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 522         return RegOpenKeyA( hkey, lpszSubKey, retkey );
 523     }
 524
 525     case 0x0012:  /* RegCreateKey */
 526     {
 527         HKEY    hkey       = (HKEY)  stack32_pop( context );
 528         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 529         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 530         return RegCreateKeyA( hkey, lpszSubKey, retkey );
 531     }
 532
 533     case 0x0013:  /* RegCloseKey */
 534     {
 535         HKEY    hkey       = (HKEY)stack32_pop( context );
 536         return RegCloseKey( hkey );
 537     }
 538
 539     case 0x0014:  /* RegDeleteKey */
 540     {
 541         HKEY    hkey       = (HKEY)  stack32_pop( context );
 542         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 543         return RegDeleteKeyA( hkey, lpszSubKey );
 544     }
 545
 546     case 0x0015:  /* RegSetValue */
 547     {
 548         HKEY    hkey       = (HKEY)  stack32_pop( context );
 549         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 550         DWORD   dwType     = (DWORD) stack32_pop( context );
 551         LPCSTR  lpszData   = (LPCSTR)stack32_pop( context );
 552         DWORD   cbData     = (DWORD) stack32_pop( context );
 553         return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
 554     }
 555
 556     case 0x0016:  /* RegDeleteValue */
 557     {
 558         HKEY    hkey       = (HKEY) stack32_pop( context );
 559         LPSTR   lpszValue  = (LPSTR)stack32_pop( context );
 560         return RegDeleteValueA( hkey, lpszValue );
 561     }
 562
 563     case 0x0017:  /* RegQueryValue */
 564     {
 565         HKEY    hkey       = (HKEY)   stack32_pop( context );
 566         LPSTR   lpszSubKey = (LPSTR)  stack32_pop( context );
 567         LPSTR   lpszData   = (LPSTR)  stack32_pop( context );
 568         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 569         return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
 570     }
 571
 572     case 0x0018:  /* RegEnumKey */
 573     {
 574         HKEY    hkey       = (HKEY) stack32_pop( context );
 575         DWORD   iSubkey    = (DWORD)stack32_pop( context );
 576         LPSTR   lpszName   = (LPSTR)stack32_pop( context );
 577         DWORD   lpcchName  = (DWORD)stack32_pop( context );
 578         return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
 579     }
 580
 581     case 0x0019:  /* RegEnumValue */
 582     {
 583         HKEY    hkey       = (HKEY)   stack32_pop( context );
 584         DWORD   iValue     = (DWORD)  stack32_pop( context );
 585         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 586         LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
 587         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 588         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 589         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 590         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 591         return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
 592                               lpReserved, lpdwType, lpbData, lpcbData );
 593     }
 594
 595     case 0x001A:  /* RegQueryValueEx */
 596     {
 597         HKEY    hkey       = (HKEY)   stack32_pop( context );
 598         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 599         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 600         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 601         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 602         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 603         return RegQueryValueExA( hkey, lpszValue, lpReserved,
 604                                  lpdwType, lpbData, lpcbData );
 605     }
 606
 607     case 0x001B:  /* RegSetValueEx */
 608     {
 609         HKEY    hkey       = (HKEY)  stack32_pop( context );
 610         LPSTR   lpszValue  = (LPSTR) stack32_pop( context );
 611         DWORD   dwReserved = (DWORD) stack32_pop( context );
 612         DWORD   dwType     = (DWORD) stack32_pop( context );
 613         LPBYTE  lpbData    = (LPBYTE)stack32_pop( context );
 614         DWORD   cbData     = (DWORD) stack32_pop( context );
 615         return RegSetValueExA( hkey, lpszValue, dwReserved,
 616                                dwType, lpbData, cbData );
 617     }
 618
 619     case 0x001C:  /* RegFlushKey */
 620     {
 621         HKEY    hkey       = (HKEY)stack32_pop( context );
 622         return RegFlushKey( hkey );
 623     }
 624
 625     case 0x001D:  /* RegQueryInfoKey */
 626     {
 627         /* NOTE: This VxDCall takes only a subset of the parameters that the
 628                  corresponding Win32 API call does. The implementation in Win95
 629                  ADVAPI32 sets all output parameters not mentioned here to zero. */
 630
 631         HKEY    hkey              = (HKEY)   stack32_pop( context );
 632         LPDWORD lpcSubKeys        = (LPDWORD)stack32_pop( context );
 633         LPDWORD lpcchMaxSubKey    = (LPDWORD)stack32_pop( context );
 634         LPDWORD lpcValues         = (LPDWORD)stack32_pop( context );
 635         LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
 636         LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
 637         return RegQueryInfoKeyA( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey,
 638                                  NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData,
 639                                  NULL, NULL );
 640     }
 641
 642     case 0x0021:  /* RegLoadKey */
 643     {
 644         HKEY    hkey       = (HKEY)  stack32_pop( context );
 645         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 646         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 647         return RegLoadKeyA( hkey, lpszSubKey, lpszFile );
 648     }
 649
 650     case 0x0022:  /* RegUnLoadKey */
 651     {
 652         HKEY    hkey       = (HKEY)  stack32_pop( context );
 653         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 654         return RegUnLoadKeyA( hkey, lpszSubKey );
 655     }
 656
 657     case 0x0023:  /* RegSaveKey */
 658     {
 659         HKEY    hkey       = (HKEY)  stack32_pop( context );
 660         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 661         LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
 662         return RegSaveKeyA( hkey, lpszFile, sa );
 663     }
 664
 665 #if 0 /* Functions are not yet implemented in misc/registry.c */
 666     case 0x0024:  /* RegRemapPreDefKey */
 667     case 0x0026:  /* RegQueryMultipleValues */
 668 #endif
 669
 670     case 0x0027:  /* RegReplaceKey */
 671     {
 672         HKEY    hkey       = (HKEY)  stack32_pop( context );
 673         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 674         LPCSTR  lpszNewFile= (LPCSTR)stack32_pop( context );
 675         LPCSTR  lpszOldFile= (LPCSTR)stack32_pop( context );
 676         return RegReplaceKeyA( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
 677     }
 678     case 0x0000: /* PageReserve */
 679       {
 680         LPVOID address;
 681         LPVOID ret;
 682         DWORD psize = VIRTUAL_GetPageSize();
 683         ULONG page   = (ULONG) stack32_pop( context );
 684         ULONG npages = (ULONG) stack32_pop( context );
 685         ULONG flags  = (ULONG) stack32_pop( context );
 686
 687         TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
 688               page, npages, flags );
 689
 690         if ( page == PR_SYSTEM ) {
 691           ERR("Can't reserve ring 1 memory\n");
 692           return -1;
 693         }
 694         /* FIXME: This has to be handled seperatly, when we have seperate
 695            address-spaces */
 696         if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
 697         /* FIXME: Handle flags in some way */
 698         address = (LPVOID )(page * psize);
 699         ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
 700         TRACE("PageReserve: returning: %08lx\n", (DWORD )ret );
 701         if ( ret == NULL )
 702           return -1;
 703         else
 704           return (DWORD )ret;
 705       }
 706
 707     case 0x0001: /* PageCommit */
 708       {
 709         LPVOID address;
 710         LPVOID ret;
 711         DWORD virt_perm;
 712         DWORD psize = VIRTUAL_GetPageSize();
 713         ULONG page   = (ULONG) stack32_pop( context );
 714         ULONG npages = (ULONG) stack32_pop( context );
 715         ULONG hpd  = (ULONG) stack32_pop( context );
 716         ULONG pagerdata   = (ULONG) stack32_pop( context );
 717         ULONG flags  = (ULONG) stack32_pop( context );
 718
 719         TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
 720               "%08lx, flags: %08lx partial stub\n",
 721               page, npages, hpd, pagerdata, flags );
 722
 723         if ( flags & PC_USER )
 724           if ( flags & PC_WRITEABLE )
 725             virt_perm = PAGE_EXECUTE_READWRITE;
 726           else
 727             virt_perm = PAGE_EXECUTE_READ;
 728         else
 729           virt_perm = PAGE_NOACCESS;
 730
 731         address = (LPVOID )(page * psize);
 732         ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
 733         TRACE("PageCommit: Returning: %08lx\n", (DWORD )ret );
 734         return (DWORD )ret;
 735
 736       }
 737     case 0x0002: /* PageDecommit */
 738       {
 739         LPVOID address;
 740         BOOL ret;
 741         DWORD psize = VIRTUAL_GetPageSize();
 742         ULONG page = (ULONG) stack32_pop( context );
 743         ULONG npages = (ULONG) stack32_pop( context );
 744         ULONG flags = (ULONG) stack32_pop( context );
 745
 746         TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
 747               page, npages, flags );
 748         address = (LPVOID )( page * psize );
 749         ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
 750         TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
 751         return ret;
 752       }
 753     case 0x000d: /* PageModifyPermissions */
 754       {
 755         DWORD pg_old_perm;
 756         DWORD pg_new_perm;
 757         DWORD virt_old_perm;
 758         DWORD virt_new_perm;
 759         MEMORY_BASIC_INFORMATION mbi;
 760         LPVOID address;
 761         DWORD psize = VIRTUAL_GetPageSize();
 762         ULONG page = stack32_pop ( context );
 763         ULONG npages = stack32_pop ( context );
 764         ULONG permand = stack32_pop ( context );
 765         ULONG permor = stack32_pop ( context );
 766
 767         TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
 768               page, npages, permand, permor );
 769         address = (LPVOID )( page * psize );
 770
 771         VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
 772         virt_old_perm = mbi.Protect;
 773
 774         switch ( virt_old_perm & mbi.Protect ) {
 775         case PAGE_READONLY:
 776         case PAGE_EXECUTE:
 777         case PAGE_EXECUTE_READ:
 778           pg_old_perm = PC_USER;
 779           break;
 780         case PAGE_READWRITE:
 781         case PAGE_WRITECOPY:
 782         case PAGE_EXECUTE_READWRITE:
 783         case PAGE_EXECUTE_WRITECOPY:
 784           pg_old_perm = PC_USER | PC_WRITEABLE;
 785           break;
 786         case PAGE_NOACCESS:
 787         default:
 788           pg_old_perm = 0;
 789           break;
 790         }
 791         pg_new_perm = pg_old_perm;
 792         pg_new_perm &= permand & ~PC_STATIC;
 793         pg_new_perm |= permor  & ~PC_STATIC;
 794
 795         virt_new_perm = ( virt_old_perm )  & ~0xff;
 796         if ( pg_new_perm & PC_USER )
 797         {
 798           if ( pg_new_perm & PC_WRITEABLE )
 799             virt_new_perm |= PAGE_EXECUTE_READWRITE;
 800           else
 801             virt_new_perm |= PAGE_EXECUTE_READ;
 802         }
 803
 804         if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
 805           ERR("Can't change page permissions for %08lx\n", (DWORD )address );
 806           return 0xffffffff;
 807         }
 808         TRACE("Returning: %08lx\n", pg_old_perm );
 809         return pg_old_perm;
 810       }
 811     case 0x000a: /* PageFree */
 812       {
 813         BOOL ret;
 814         LPVOID hmem = (LPVOID) stack32_pop( context );
 815         DWORD flags = (DWORD ) stack32_pop( context );
 816
 817         TRACE("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
 818               (DWORD )hmem, flags );
 819
 820         ret = VirtualFree ( hmem, 0, MEM_RELEASE );
 821         context->Eax = ret;
 822         TRACE("Returning: %d\n", ret );
 823
 824         return 0;
 825       }
 826     case 0x001e: /* GetDemandPageInfo */
 827       {
 828          DWORD dinfo = (DWORD)stack32_pop( context );
 829          DWORD flags = (DWORD)stack32_pop( context );
 830
 831          /* GetDemandPageInfo is supposed to fill out the struct at
 832           * "dinfo" with various low-level memory management information.
 833           * Apps are certainly not supposed to call this, although it's
 834           * demoed and documented by Pietrek on pages 441-443 of "Windows
 835           * 95 System Programming Secrets" if any program needs a real
 836           * implementation of this.
 837           */
 838
 839          FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
 840
 841          return 0;
 842       }
 843     default:
 844         if (LOWORD(service) < N_VMM_SERVICE)
 845             FIXME( "Unimplemented service %s (%08lx)\n",
 846                           VMM_Service_Name[LOWORD(service)], service);
 847         else
 848             FIXME( "Unknown service %08lx\n", service);
 849         break;
 850     }
 851
 852     return 0xffffffff;  /* FIXME */
 853 }
 854
 855 /***********************************************************************
 856  *           DeviceIo_IFSMgr
 857  * NOTES
 858  *   The ioctls is used by 'MSNET32.DLL'.
 859  *
 860  *   I have been unable to uncover any documentation about the ioctls so
 861  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
 862  *   based on a resonable guesses on information found in the Windows 95 DDK.
 863  *
 864  */
 865
 866 /*
 867  * IFSMgr DeviceIO service
 868  */
 869
 870 #define IFS_IOCTL_21                100
 871 #define IFS_IOCTL_2F                101
 872 #define IFS_IOCTL_GET_RES           102
 873 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
 874
 875 struct win32apireq {
 876         unsigned long   ar_proid;
 877         unsigned long   ar_eax;
 878         unsigned long   ar_ebx;
 879         unsigned long   ar_ecx;
 880         unsigned long   ar_edx;
 881         unsigned long   ar_esi;
 882         unsigned long   ar_edi;
 883         unsigned long   ar_ebp;
 884         unsigned short  ar_error;
 885         unsigned short  ar_pad;
 886 };
 887
 888 static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT86 *pCxt)
 889 {
 890         memset(pCxt,0,sizeof(*pCxt));
 891
 892         pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
 893         pCxt->Eax = pIn->ar_eax;
 894         pCxt->Ebx = pIn->ar_ebx;
 895         pCxt->Ecx = pIn->ar_ecx;
 896         pCxt->Edx = pIn->ar_edx;
 897         pCxt->Esi = pIn->ar_esi;
 898         pCxt->Edi = pIn->ar_edi;
 899
 900         /* FIXME: Only partial CONTEXT86_CONTROL */
 901         pCxt->Ebp = pIn->ar_ebp;
 902
 903         /* FIXME: pIn->ar_proid ignored */
 904         /* FIXME: pIn->ar_error ignored */
 905         /* FIXME: pIn->ar_pad ignored */
 906 }
 907
 908 static void CONTEXT_2_win32apieq(CONTEXT86 *pCxt,struct win32apireq *pOut)
 909 {
 910         memset(pOut,0,sizeof(struct win32apireq));
 911
 912         pOut->ar_eax = pCxt->Eax;
 913         pOut->ar_ebx = pCxt->Ebx;
 914         pOut->ar_ecx = pCxt->Ecx;
 915         pOut->ar_edx = pCxt->Edx;
 916         pOut->ar_esi = pCxt->Esi;
 917         pOut->ar_edi = pCxt->Edi;
 918
 919         /* FIXME: Only partial CONTEXT86_CONTROL */
 920         pOut->ar_ebp = pCxt->Ebp;
 921
 922         /* FIXME: pOut->ar_proid ignored */
 923         /* FIXME: pOut->ar_error ignored */
 924         /* FIXME: pOut->ar_pad ignored */
 925 }
 926
 927 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 928                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 929                               LPDWORD lpcbBytesReturned,
 930                               LPOVERLAPPED lpOverlapped)
 931 {
 932     BOOL retv = TRUE;
 933         TRACE("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
 934                         dwIoControlCode,
 935                         lpvInBuffer,cbInBuffer,
 936                         lpvOutBuffer,cbOutBuffer,
 937                         lpcbBytesReturned,
 938                         lpOverlapped);
 939
 940     switch (dwIoControlCode)
 941     {
 942         case IFS_IOCTL_21:
 943         case IFS_IOCTL_2F:{
 944                 CONTEXT86 cxt;
 945                 struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 946                 struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 947
 948                 TRACE(
 949                         "Control '%s': "
 950                         "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 951                         "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 952                         "error=0x%04x, pad=0x%04x\n",
 953                         (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 954                         pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 955                         pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 956                         pIn->ar_error, pIn->ar_pad
 957                 );
 958
 959                 win32apieq_2_CONTEXT(pIn,&cxt);
 960
 961                 if(dwIoControlCode==IFS_IOCTL_21)
 962                 {
 963                         DOS3Call(&cxt); /* Call int 21h */
 964                 } else {
 965                         INT_Int2fHandler(&cxt); /* Call int 2Fh */
 966                 }
 967
 968                 CONTEXT_2_win32apieq(&cxt,pOut);
 969
 970         retv = TRUE;
 971         } break;
 972         case IFS_IOCTL_GET_RES:{
 973         FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 974         retv = FALSE;
 975         } break;
 976         case IFS_IOCTL_GET_NETPRO_NAME_A:{
 977         FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 978         retv = FALSE;
 979         } break;
 980     default:
 981         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 982         retv = FALSE;
 983     }
 984
 985     return retv;
 986 }
 987
 988 /********************************************************************************
 989  *      VxDCall_VWin32
 990  *
 991  *  Service numbers taken from page 448 of Pietrek's "Windows 95 System
 992  *  Progrmaming Secrets".  Parameters from experimentation on real Win98.
 993  *
 994  */
 995
 996 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
 997 {
 998   switch ( LOWORD(service) )
 999     {
1000     case 0x0000: /* GetVersion */
1001     {
1002         DWORD vers = GetVersion();
1003         return (LOBYTE(vers) << 8) | HIBYTE(vers);
1004     }
1005     break;
1006
1007     case 0x0020: /* Get VMCPD Version */
1008     {
1009         DWORD parm = (DWORD) stack32_pop(context);
1010
1011         FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
1012
1013         /* FIXME: This is what Win98 returns, it may
1014          *        not be correct in all situations.
1015          *        It makes Bleem! happy though.
1016          */
1017
1018         return 0x0405;
1019     }
1020
1021     case 0x0029: /* Int31/DPMI dispatch */
1022     {
1023         DWORD callnum = (DWORD) stack32_pop(context);
1024         DWORD parm    = (DWORD) stack32_pop(context);
1025
1026         TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
1027
1028         AX_reg(context) = callnum;
1029         CX_reg(context) = parm;
1030         INT_Int31Handler(context);
1031
1032         return LOWORD(context->Eax);
1033     }
1034     break;
1035
1036     case 0x002a: /* Int41 dispatch - parm = int41 service number */
1037     {
1038         DWORD callnum = (DWORD) stack32_pop(context);
1039
1040         return callnum; /* FIXME: should really call INT_Int41Handler() */
1041     }
1042     break;
1043
1044     default:
1045       FIXME("Unknown VWin32 service %08lx\n", service);
1046       break;
1047     }
1048
1049   return 0xffffffff;
1050 }
1051
1052
1053
1054 /***********************************************************************
1055  *           DeviceIo_VWin32
1056  */
1057
1058 static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
1059 {
1060     memset( pCxt, 0, sizeof(*pCxt) );
1061     /* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
1062              will interpret 32-bit register contents as linear pointers */
1063
1064     pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
1065     pCxt->Eax = pIn->reg_EAX;
1066     pCxt->Ebx = pIn->reg_EBX;
1067     pCxt->Ecx = pIn->reg_ECX;
1068     pCxt->Edx = pIn->reg_EDX;
1069     pCxt->Esi = pIn->reg_ESI;
1070     pCxt->Edi = pIn->reg_EDI;
1071
1072     /* FIXME: Only partial CONTEXT86_CONTROL */
1073     pCxt->EFlags = pIn->reg_Flags;
1074 }
1075
1076 static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
1077 {
1078     memset( pOut, 0, sizeof(DIOC_REGISTERS) );
1079
1080     pOut->reg_EAX = pCxt->Eax;
1081     pOut->reg_EBX = pCxt->Ebx;
1082     pOut->reg_ECX = pCxt->Ecx;
1083     pOut->reg_EDX = pCxt->Edx;
1084     pOut->reg_ESI = pCxt->Esi;
1085     pOut->reg_EDI = pCxt->Edi;
1086
1087     /* FIXME: Only partial CONTEXT86_CONTROL */
1088     pOut->reg_Flags = pCxt->EFlags;
1089 }
1090
1091
1092 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
1093                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1094                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1095                               LPDWORD lpcbBytesReturned,
1096                               LPOVERLAPPED lpOverlapped)
1097 {
1098     BOOL retv = TRUE;
1099
1100     switch (dwIoControlCode)
1101     {
1102     case VWIN32_DIOC_DOS_IOCTL:
1103     case VWIN32_DIOC_DOS_INT13:
1104     case VWIN32_DIOC_DOS_INT25:
1105     case VWIN32_DIOC_DOS_INT26:
1106         case VWIN32_DIOC_DOS_DRIVEINFO:
1107     {
1108         CONTEXT86 cxt;
1109         DIOC_REGISTERS *pIn  = (DIOC_REGISTERS *)lpvInBuffer;
1110         DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
1111
1112         TRACE( "Control '%s': "
1113                "eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
1114                "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
1115                (dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
1116                (dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
1117                (dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
1118                (dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" :
1119                (dwIoControlCode == VWIN32_DIOC_DOS_DRIVEINFO)? "VWIN32_DIOC_DOS_DRIVEINFO" :  "???",
1120                pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
1121                pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
1122
1123         DIOCRegs_2_CONTEXT( pIn, &cxt );
1124
1125         switch (dwIoControlCode)
1126         {
1127         case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
1128         case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
1129         case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
1130         case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
1131                 case VWIN32_DIOC_DOS_DRIVEINFO: DOS3Call( &cxt ); break; /* Call int 21h 730x */
1132         }
1133
1134         CONTEXT_2_DIOCRegs( &cxt, pOut );
1135     }
1136     break;
1137
1138     case VWIN32_DIOC_SIMCTRLC:
1139         FIXME( "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
1140         retv = FALSE;
1141         break;
1142
1143     default:
1144         FIXME( "Unknown Control %ld\n", dwIoControlCode);
1145         retv = FALSE;
1146         break;
1147     }
1148
1149     return retv;
1150 }
1151
1152 /* this is the main multimedia device loader */
1153 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
1154                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1155                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1156                               LPDWORD lpcbBytesReturned,
1157                               LPOVERLAPPED lpOverlapped)
1158 {
1159         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1160             dwIoControlCode,
1161             lpvInBuffer,cbInBuffer,
1162             lpvOutBuffer,cbOutBuffer,
1163             lpcbBytesReturned,
1164             lpOverlapped
1165         );
1166         switch (dwIoControlCode) {
1167         case 5:
1168                 /* Hmm. */
1169                 *(DWORD*)lpvOutBuffer=0;
1170                 *lpcbBytesReturned=4;
1171                 return TRUE;
1172         }
1173         return FALSE;
1174 }
1175 /* this is used by some Origin games */
1176 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
1177                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1178                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1179                               LPDWORD lpcbBytesReturned,
1180                               LPOVERLAPPED lpOverlapped)
1181 {
1182         switch (dwIoControlCode) {
1183         case 1: /* version */
1184                 *(LPDWORD)lpvOutBuffer = 0x20004; /* WC SecretOps */
1185                 break;
1186         case 9: /* debug output */
1187                 ERR("MONODEBG: %s\n",debugstr_a(lpvInBuffer));
1188                 break;
1189         default:
1190                 FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1191                         dwIoControlCode,
1192                         lpvInBuffer,cbInBuffer,
1193                         lpvOutBuffer,cbOutBuffer,
1194                         lpcbBytesReturned,
1195                         lpOverlapped
1196                 );
1197                 break;
1198         }
1199         return TRUE;
1200 }
1201 /* pccard */
1202 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
1203                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1204                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1205                               LPDWORD lpcbBytesReturned,
1206                               LPOVERLAPPED lpOverlapped)
1207 {
1208         switch (dwIoControlCode) {
1209         case 0x0000: /* PCCARD_Get_Version */
1210         case 0x0001: /* PCCARD_Card_Services */
1211         default:
1212                 FIXME( "(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1213                         dwIoControlCode,
1214                         lpvInBuffer,cbInBuffer,
1215                         lpvOutBuffer,cbOutBuffer,
1216                         lpcbBytesReturned,
1217                         lpOverlapped
1218                 );
1219                 break;
1220         }
1221         return FALSE;
1222 }
1223
1224 /***********************************************************************
1225  *              OpenVxDHandle
1226  */
1227 DWORD   WINAPI  OpenVxDHandle(DWORD pmt)
1228 {
1229         FIXME( "(0x%08lx) stub!\n", pmt);
1230         return 0;
1231 }
1232
1233 static BOOL DeviceIo_HASP(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
1234                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1235                               LPDWORD lpcbBytesReturned,
1236                               LPOVERLAPPED lpOverlapped)
1237 {
1238     BOOL retv = TRUE;
1239         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1240                         dwIoControlCode,
1241                         lpvInBuffer,cbInBuffer,
1242                         lpvOutBuffer,cbOutBuffer,
1243                         lpcbBytesReturned,
1244                         lpOverlapped);
1245
1246     return retv;
1247 }
1248