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 "wine/port.h"
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winerror.h"
  30 #include "file.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
  40 DEFAULT_DEBUG_CHANNEL(win32);
  41
  42
  43 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode,
  44                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  45                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  46                               LPDWORD lpcbBytesReturned,
  47                               LPOVERLAPPED lpOverlapped);
  48 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
  49                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  50                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  51                               LPDWORD lpcbBytesReturned,
  52                               LPOVERLAPPED lpOverlapped);
  53 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
  54                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  55                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  56                               LPDWORD lpcbBytesReturned,
  57                               LPOVERLAPPED lpOverlapped);
  58
  59 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context );
  60
  61 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode,
  62                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  63                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  64                               LPDWORD lpcbBytesReturned,
  65                               LPOVERLAPPED lpOverlapped);
  66
  67 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context );
  68
  69 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
  70                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  71                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  72                               LPDWORD lpcbBytesReturned,
  73                               LPOVERLAPPED lpOverlapped);
  74
  75 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
  76                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  77                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  78                               LPDWORD lpcbBytesReturned,
  79                               LPOVERLAPPED lpOverlapped);
  80
  81 static BOOL DeviceIo_HASP (DWORD dwIoControlCode,
  82                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  83                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  84                               LPDWORD lpcbBytesReturned,
  85                               LPOVERLAPPED lpOverlapped);
  86 /*
  87  * VxD names are taken from the Win95 DDK
  88  */
  89
  90 struct VxDInfo
  91 {
  92     LPCSTR  name;
  93     WORD    id;
  94     DWORD (*vxdcall)(DWORD, CONTEXT86 *);
  95     BOOL  (*deviceio)(DWORD, LPVOID, DWORD,
  96                         LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
  97 };
  98
  99 static const struct VxDInfo VxDList[] =
 100 {
 101     /* Standard VxD IDs */
 102     { "VMM",      0x0001, VxDCall_VMM, NULL },
 103     { "DEBUG",    0x0002, NULL, NULL },
 104     { "VPICD",    0x0003, NULL, NULL },
 105     { "VDMAD",    0x0004, NULL, NULL },
 106     { "VTD",      0x0005, NULL, NULL },
 107     { "V86MMGR",  0x0006, NULL, NULL },
 108     { "PAGESWAP", 0x0007, NULL, NULL },
 109     { "PARITY",   0x0008, NULL, NULL },
 110     { "REBOOT",   0x0009, NULL, NULL },
 111     { "VDD",      0x000A, NULL, NULL },
 112     { "VSD",      0x000B, NULL, NULL },
 113     { "VMD",      0x000C, NULL, NULL },
 114     { "VKD",      0x000D, NULL, NULL },
 115     { "VCD",      0x000E, NULL, NULL },
 116     { "VPD",      0x000F, NULL, NULL },
 117     { "BLOCKDEV", 0x0010, NULL, NULL },
 118     { "VMCPD",    0x0011, NULL, NULL },
 119     { "EBIOS",    0x0012, NULL, NULL },
 120     { "BIOSXLAT", 0x0013, NULL, NULL },
 121     { "VNETBIOS", 0x0014, NULL, NULL },
 122     { "DOSMGR",   0x0015, NULL, NULL },
 123     { "WINLOAD",  0x0016, NULL, NULL },
 124     { "SHELL",    0x0017, NULL, NULL },
 125     { "VMPOLL",   0x0018, NULL, NULL },
 126     { "VPROD",    0x0019, NULL, NULL },
 127     { "DOSNET",   0x001A, NULL, NULL },
 128     { "VFD",      0x001B, NULL, NULL },
 129     { "VDD2",     0x001C, NULL, NULL },
 130     { "WINDEBUG", 0x001D, NULL, NULL },
 131     { "TSRLOAD",  0x001E, NULL, NULL },
 132     { "BIOSHOOK", 0x001F, NULL, NULL },
 133     { "INT13",    0x0020, NULL, NULL },
 134     { "PAGEFILE", 0x0021, NULL, NULL },
 135     { "SCSI",     0x0022, NULL, NULL },
 136     { "MCA_POS",  0x0023, NULL, NULL },
 137     { "SCSIFD",   0x0024, NULL, NULL },
 138     { "VPEND",    0x0025, NULL, NULL },
 139     { "VPOWERD",  0x0026, NULL, NULL },
 140     { "VXDLDR",   0x0027, NULL, NULL },
 141     { "NDIS",     0x0028, NULL, NULL },
 142     { "BIOS_EXT", 0x0029, NULL, NULL },
 143     { "VWIN32",   0x002A, VxDCall_VWin32, DeviceIo_VWin32 },
 144     { "VCOMM",    0x002B, NULL, NULL },
 145     { "SPOOLER",  0x002C, NULL, NULL },
 146     { "WIN32S",   0x002D, NULL, NULL },
 147     { "DEBUGCMD", 0x002E, NULL, NULL },
 148
 149     { "VNB",      0x0031, NULL, NULL },
 150     { "SERVER",   0x0032, NULL, NULL },
 151     { "CONFIGMG", 0x0033, NULL, NULL },
 152     { "DWCFGMG",  0x0034, NULL, NULL },
 153     { "SCSIPORT", 0x0035, NULL, NULL },
 154     { "VFBACKUP", 0x0036, NULL, NULL },
 155     { "ENABLE",   0x0037, NULL, NULL },
 156     { "VCOND",    0x0038, NULL, NULL },
 157
 158     { "EFAX",     0x003A, NULL, NULL },
 159     { "DSVXD",    0x003B, NULL, NULL },
 160     { "ISAPNP",   0x003C, NULL, NULL },
 161     { "BIOS",     0x003D, NULL, NULL },
 162     { "WINSOCK",  0x003E, NULL, NULL },
 163     { "WSOCK",    0x003E, NULL, NULL },
 164     { "WSIPX",    0x003F, NULL, NULL },
 165     { "IFSMgr",   0x0040, NULL, DeviceIo_IFSMgr },
 166     { "VCDFSD",   0x0041, NULL, NULL },
 167     { "MRCI2",    0x0042, NULL, NULL },
 168     { "PCI",      0x0043, NULL, NULL },
 169     { "PELOADER", 0x0044, NULL, NULL },
 170     { "EISA",     0x0045, NULL, NULL },
 171     { "DRAGCLI",  0x0046, NULL, NULL },
 172     { "DRAGSRV",  0x0047, NULL, NULL },
 173     { "PERF",     0x0048, NULL, NULL },
 174     { "AWREDIR",  0x0049, NULL, NULL },
 175
 176     /* Far East support */
 177     { "ETEN",     0x0060, NULL, NULL },
 178     { "CHBIOS",   0x0061, NULL, NULL },
 179     { "VMSGD",    0x0062, NULL, NULL },
 180     { "VPPID",    0x0063, NULL, NULL },
 181     { "VIME",     0x0064, NULL, NULL },
 182     { "VHBIOSD",  0x0065, NULL, NULL },
 183
 184     /* Multimedia OEM IDs */
 185     { "VTDAPI",   0x0442, NULL, DeviceIo_VTDAPI },
 186     { "MMDEVLDR", 0x044A, NULL, DeviceIo_MMDEVLDR },
 187
 188     /* Network Device IDs */
 189     { "VNetSup",  0x0480, NULL, NULL },
 190     { "VRedir",   0x0481, NULL, NULL },
 191     { "VBrowse",  0x0482, NULL, NULL },
 192     { "VSHARE",   0x0483, NULL, NULL },
 193     { "IFSMgr",   0x0484, NULL, NULL },
 194     { "MEMPROBE", 0x0485, NULL, NULL },
 195     { "VFAT",     0x0486, NULL, NULL },
 196     { "NWLINK",   0x0487, NULL, NULL },
 197     { "VNWLINK",  0x0487, NULL, NULL },
 198     { "NWSUP",    0x0487, NULL, NULL },
 199     { "VTDI",     0x0488, NULL, NULL },
 200     { "VIP",      0x0489, NULL, NULL },
 201     { "VTCP",     0x048A, NULL, NULL },
 202     { "VCache",   0x048B, NULL, NULL },
 203     { "VUDP",     0x048C, NULL, NULL },
 204     { "VAsync",   0x048D, NULL, NULL },
 205     { "NWREDIR",  0x048E, NULL, NULL },
 206     { "STAT80",   0x048F, NULL, NULL },
 207     { "SCSIPORT", 0x0490, NULL, NULL },
 208     { "FILESEC",  0x0491, NULL, NULL },
 209     { "NWSERVER", 0x0492, NULL, NULL },
 210     { "SECPROV",  0x0493, NULL, NULL },
 211     { "NSCL",     0x0494, NULL, NULL },
 212     { "WSTCP",    0x0495, NULL, NULL },
 213     { "NDIS2SUP", 0x0496, NULL, NULL },
 214     { "MSODISUP", 0x0497, NULL, NULL },
 215     { "Splitter", 0x0498, NULL, NULL },
 216     { "PPP",      0x0499, NULL, NULL },
 217     { "VDHCP",    0x049A, NULL, NULL },
 218     { "VNBT",     0x049B, NULL, NULL },
 219     { "LOGGER",   0x049D, NULL, NULL },
 220     { "EFILTER",  0x049E, NULL, NULL },
 221     { "FFILTER",  0x049F, NULL, NULL },
 222     { "TFILTER",  0x04A0, NULL, NULL },
 223     { "AFILTER",  0x04A1, NULL, NULL },
 224     { "IRLAMP",   0x04A2, NULL, NULL },
 225
 226     { "PCCARD",   0x097C, NULL, DeviceIo_PCCARD },
 227     { "HASP95",   0x3721, NULL, DeviceIo_HASP },
 228
 229     /* WINE additions, ids unknown */
 230     { "MONODEBG.VXD", 0x4242, NULL, DeviceIo_MONODEBG },
 231
 232     { NULL,       0,      NULL, NULL }
 233 };
 234
 235 /*
 236  * VMM VxDCall service names are (mostly) taken from Stan Mitchell's
 237  * "Inside the Windows 95 File System"
 238  */
 239
 240 #define N_VMM_SERVICE 41
 241
 242 LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
 243 {
 244     "PageReserve",            /* 0x0000 */
 245     "PageCommit",             /* 0x0001 */
 246     "PageDecommit",           /* 0x0002 */
 247     "PagerRegister",          /* 0x0003 */
 248     "PagerQuery",             /* 0x0004 */
 249     "HeapAllocate",           /* 0x0005 */
 250     "ContextCreate",          /* 0x0006 */
 251     "ContextDestroy",         /* 0x0007 */
 252     "PageAttach",             /* 0x0008 */
 253     "PageFlush",              /* 0x0009 */
 254     "PageFree",               /* 0x000A */
 255     "ContextSwitch",          /* 0x000B */
 256     "HeapReAllocate",         /* 0x000C */
 257     "PageModifyPermissions",  /* 0x000D */
 258     "PageQuery",              /* 0x000E */
 259     "GetCurrentContext",      /* 0x000F */
 260     "HeapFree",               /* 0x0010 */
 261     "RegOpenKey",             /* 0x0011 */
 262     "RegCreateKey",           /* 0x0012 */
 263     "RegCloseKey",            /* 0x0013 */
 264     "RegDeleteKey",           /* 0x0014 */
 265     "RegSetValue",            /* 0x0015 */
 266     "RegDeleteValue",         /* 0x0016 */
 267     "RegQueryValue",          /* 0x0017 */
 268     "RegEnumKey",             /* 0x0018 */
 269     "RegEnumValue",           /* 0x0019 */
 270     "RegQueryValueEx",        /* 0x001A */
 271     "RegSetValueEx",          /* 0x001B */
 272     "RegFlushKey",            /* 0x001C */
 273     "RegQueryInfoKey",        /* 0x001D */
 274     "GetDemandPageInfo",      /* 0x001E */
 275     "BlockOnID",              /* 0x001F */
 276     "SignalID",               /* 0x0020 */
 277     "RegLoadKey",             /* 0x0021 */
 278     "RegUnLoadKey",           /* 0x0022 */
 279     "RegSaveKey",             /* 0x0023 */
 280     "RegRemapPreDefKey",      /* 0x0024 */
 281     "PageChangePager",        /* 0x0025 */
 282     "RegQueryMultipleValues", /* 0x0026 */
 283     "RegReplaceKey",          /* 0x0027 */
 284     "<KERNEL32.101>"          /* 0x0028 -- What does this do??? */
 285 };
 286
 287 /* PageReserve arena values */
 288 #define PR_PRIVATE  0x80000400  /* anywhere in private arena */
 289 #define PR_SHARED   0x80060000  /* anywhere in shared arena */
 290 #define PR_SYSTEM   0x80080000  /* anywhere in system arena */
 291
 292 /* PageReserve flags */
 293 #define PR_FIXED    0x00000008  /* don't move during PageReAllocate */
 294 #define PR_4MEG     0x00000001  /* allocate on 4mb boundary */
 295 #define PR_STATIC   0x00000010  /* see PageReserve documentation */
 296
 297 /* PageCommit default pager handle values */
 298 #define PD_ZEROINIT 0x00000001  /* swappable zero-initialized pages */
 299 #define PD_NOINIT   0x00000002  /* swappable uninitialized pages */
 300 #define PD_FIXEDZERO    0x00000003  /* fixed zero-initialized pages */
 301 #define PD_FIXED    0x00000004  /* fixed uninitialized pages */
 302
 303 /* PageCommit flags */
 304 #define PC_FIXED    0x00000008  /* pages are permanently locked */
 305 #define PC_LOCKED   0x00000080  /* pages are made present and locked*/
 306 #define PC_LOCKEDIFDP   0x00000100  /* pages are locked if swap via DOS */
 307 #define PC_WRITEABLE    0x00020000  /* make the pages writeable */
 308 #define PC_USER     0x00040000  /* make the pages ring 3 accessible */
 309 #define PC_INCR     0x40000000  /* increment "pagerdata" each page */
 310 #define PC_PRESENT  0x80000000  /* make pages initially present */
 311 #define PC_STATIC   0x20000000  /* allow commit in PR_STATIC object */
 312 #define PC_DIRTY    0x08000000  /* make pages initially dirty */
 313 #define PC_CACHEDIS 0x00100000  /* Allocate uncached pages - new for WDM */
 314 #define PC_CACHEWT  0x00080000  /* Allocate write through cache pages - new for WDM */
 315 #define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
 316
 317 /* PageCommitContig additional flags */
 318 #define PCC_ZEROINIT    0x00000001  /* zero-initialize new pages */
 319 #define PCC_NOLIN   0x10000000  /* don't map to any linear address */
 320
 321
 322
 323 HANDLE DEVICE_Open( LPCSTR filename, DWORD access,
 324                       LPSECURITY_ATTRIBUTES sa )
 325 {
 326     const struct VxDInfo *info;
 327
 328     for (info = VxDList; info->name; info++)
 329         if (!strncasecmp( info->name, filename, strlen(info->name) ))
 330             return FILE_CreateDevice( info->id | 0x10000, access, sa );
 331
 332     FIXME( "Unknown VxD %s. Try --winver nt40 !\n", filename);
 333     SetLastError( ERROR_FILE_NOT_FOUND );
 334     return HFILE_ERROR;
 335 }
 336
 337 static const struct VxDInfo *DEVICE_GetInfo( HANDLE handle )
 338 {
 339     const struct VxDInfo *info = NULL;
 340     SERVER_START_REQ
 341     {
 342         struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
 343
 344         req->handle = handle;
 345         if (!server_call( REQ_GET_FILE_INFO ) &&
 346             (req->type == FILE_TYPE_UNKNOWN) &&
 347             (req->attr & 0x10000))
 348         {
 349             for (info = VxDList; info->name; info++)
 350                 if (info->id == LOWORD(req->attr)) break;
 351         }
 352     }
 353     SERVER_END_REQ;
 354     return info;
 355 }
 356
 357 /****************************************************************************
 358  *              DeviceIoControl (KERNEL32.188)
 359  * This is one of those big ugly nasty procedure which can do
 360  * a million and one things when it comes to devices. It can also be
 361  * used for VxD communication.
 362  *
 363  * A return value of FALSE indicates that something has gone wrong which
 364  * GetLastError can decypher.
 365  */
 366 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
 367                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 368                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 369                               LPDWORD lpcbBytesReturned,
 370                               LPOVERLAPPED lpOverlapped)
 371 {
 372         const struct VxDInfo *info;
 373
 374         TRACE( "(%d,%ld,%p,%ld,%p,%ld,%p,%p)\n",
 375                hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
 376                lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped  );
 377
 378         if (!(info = DEVICE_GetInfo( hDevice )))
 379         {
 380                 SetLastError( ERROR_INVALID_PARAMETER );
 381                 return FALSE;
 382         }
 383
 384         /* Check if this is a user defined control code for a VxD */
 385         if( HIWORD( dwIoControlCode ) == 0 )
 386         {
 387                 if ( info->deviceio )
 388                 {
 389                         return info->deviceio( dwIoControlCode,
 390                                         lpvInBuffer, cbInBuffer,
 391                                         lpvOutBuffer, cbOutBuffer,
 392                                         lpcbBytesReturned, lpOverlapped );
 393                 }
 394                 else
 395                 {
 396                         /* FIXME: Set appropriate error */
 397                         FIXME( "Unimplemented control %ld for VxD device %s\n",
 398                                dwIoControlCode, info->name ? info->name : "???" );
 399                 }
 400         }
 401         else
 402         {
 403                 switch( dwIoControlCode )
 404                 {
 405                 case FSCTL_DELETE_REPARSE_POINT:
 406                 case FSCTL_DISMOUNT_VOLUME:
 407                 case FSCTL_GET_COMPRESSION:
 408                 case FSCTL_GET_REPARSE_POINT:
 409                 case FSCTL_LOCK_VOLUME:
 410                 case FSCTL_QUERY_ALLOCATED_RANGES:
 411                 case FSCTL_SET_COMPRESSION:
 412                 case FSCTL_SET_REPARSE_POINT:
 413                 case FSCTL_SET_SPARSE:
 414                 case FSCTL_SET_ZERO_DATA:
 415                 case FSCTL_UNLOCK_VOLUME:
 416                 case IOCTL_DISK_CHECK_VERIFY:
 417                 case IOCTL_DISK_EJECT_MEDIA:
 418                 case IOCTL_DISK_FORMAT_TRACKS:
 419                 case IOCTL_DISK_GET_DRIVE_GEOMETRY:
 420                 case IOCTL_DISK_GET_DRIVE_LAYOUT:
 421                 case IOCTL_DISK_GET_MEDIA_TYPES:
 422                 case IOCTL_DISK_GET_PARTITION_INFO:
 423                 case IOCTL_DISK_LOAD_MEDIA:
 424                 case IOCTL_DISK_MEDIA_REMOVAL:
 425                 case IOCTL_DISK_PERFORMANCE:
 426                 case IOCTL_DISK_REASSIGN_BLOCKS:
 427                 case IOCTL_DISK_SET_DRIVE_LAYOUT:
 428                 case IOCTL_DISK_SET_PARTITION_INFO:
 429                 case IOCTL_DISK_VERIFY:
 430                 case IOCTL_SERIAL_LSRMST_INSERT:
 431                 case IOCTL_STORAGE_CHECK_VERIFY:
 432                 case IOCTL_STORAGE_EJECT_MEDIA:
 433                 case IOCTL_STORAGE_GET_MEDIA_TYPES:
 434                 case IOCTL_STORAGE_LOAD_MEDIA:
 435                 case IOCTL_STORAGE_MEDIA_REMOVAL:
 436                         FIXME( "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
 437                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 438                         return FALSE;
 439                         break;
 440                 default:
 441                         FIXME( "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
 442                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 443                         return FALSE;
 444                         break;
 445                 }
 446         }
 447         return FALSE;
 448 }
 449
 450 /***********************************************************************
 451  *           DeviceIo_VTDAPI
 452  */
 453 static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 454                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 455                               LPDWORD lpcbBytesReturned,
 456                               LPOVERLAPPED lpOverlapped)
 457 {
 458     BOOL retv = TRUE;
 459
 460     switch (dwIoControlCode)
 461     {
 462     case 5:
 463         if (lpvOutBuffer && (cbOutBuffer>=4))
 464             *(DWORD*)lpvOutBuffer = GetTickCount();
 465
 466         if (lpcbBytesReturned)
 467             *lpcbBytesReturned = 4;
 468
 469         break;
 470
 471     default:
 472         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 473         retv = FALSE;
 474         break;
 475     }
 476
 477     return retv;
 478 }
 479
 480
 481
 482
 483
 484 /***********************************************************************
 485  *           VxDCall                   (KERNEL32.[1-9])
 486  */
 487 void VxDCall( DWORD service, CONTEXT86 *context )
 488 {
 489     DWORD ret = 0xffffffff; /* FIXME */
 490     int i;
 491
 492     TRACE( "(%08lx, ...)\n", service);
 493
 494     for (i = 0; VxDList[i].name; i++)
 495         if (VxDList[i].id == HIWORD(service))
 496             break;
 497
 498     if (!VxDList[i].name)
 499         FIXME( "Unknown VxD (%08lx)\n", service);
 500     else if (!VxDList[i].vxdcall)
 501         FIXME( "Unimplemented VxD (%08lx)\n", service);
 502     else
 503         ret = VxDList[i].vxdcall( service, context );
 504
 505     context->Eax = ret;
 506 }
 507
 508
 509 /***********************************************************************
 510  *           VxDCall_VMM
 511  */
 512 static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
 513 {
 514     switch ( LOWORD(service) )
 515     {
 516     case 0x0011:  /* RegOpenKey */
 517     {
 518         HKEY    hkey       = (HKEY)  stack32_pop( context );
 519         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 520         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 521         return RegOpenKeyA( hkey, lpszSubKey, retkey );
 522     }
 523
 524     case 0x0012:  /* RegCreateKey */
 525     {
 526         HKEY    hkey       = (HKEY)  stack32_pop( context );
 527         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 528         LPHKEY  retkey     = (LPHKEY)stack32_pop( context );
 529         return RegCreateKeyA( hkey, lpszSubKey, retkey );
 530     }
 531
 532     case 0x0013:  /* RegCloseKey */
 533     {
 534         HKEY    hkey       = (HKEY)stack32_pop( context );
 535         return RegCloseKey( hkey );
 536     }
 537
 538     case 0x0014:  /* RegDeleteKey */
 539     {
 540         HKEY    hkey       = (HKEY)  stack32_pop( context );
 541         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 542         return RegDeleteKeyA( hkey, lpszSubKey );
 543     }
 544
 545     case 0x0015:  /* RegSetValue */
 546     {
 547         HKEY    hkey       = (HKEY)  stack32_pop( context );
 548         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 549         DWORD   dwType     = (DWORD) stack32_pop( context );
 550         LPCSTR  lpszData   = (LPCSTR)stack32_pop( context );
 551         DWORD   cbData     = (DWORD) stack32_pop( context );
 552         return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
 553     }
 554
 555     case 0x0016:  /* RegDeleteValue */
 556     {
 557         HKEY    hkey       = (HKEY) stack32_pop( context );
 558         LPSTR   lpszValue  = (LPSTR)stack32_pop( context );
 559         return RegDeleteValueA( hkey, lpszValue );
 560     }
 561
 562     case 0x0017:  /* RegQueryValue */
 563     {
 564         HKEY    hkey       = (HKEY)   stack32_pop( context );
 565         LPSTR   lpszSubKey = (LPSTR)  stack32_pop( context );
 566         LPSTR   lpszData   = (LPSTR)  stack32_pop( context );
 567         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 568         return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
 569     }
 570
 571     case 0x0018:  /* RegEnumKey */
 572     {
 573         HKEY    hkey       = (HKEY) stack32_pop( context );
 574         DWORD   iSubkey    = (DWORD)stack32_pop( context );
 575         LPSTR   lpszName   = (LPSTR)stack32_pop( context );
 576         DWORD   lpcchName  = (DWORD)stack32_pop( context );
 577         return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
 578     }
 579
 580     case 0x0019:  /* RegEnumValue */
 581     {
 582         HKEY    hkey       = (HKEY)   stack32_pop( context );
 583         DWORD   iValue     = (DWORD)  stack32_pop( context );
 584         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 585         LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
 586         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 587         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 588         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 589         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 590         return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
 591                               lpReserved, lpdwType, lpbData, lpcbData );
 592     }
 593
 594     case 0x001A:  /* RegQueryValueEx */
 595     {
 596         HKEY    hkey       = (HKEY)   stack32_pop( context );
 597         LPSTR   lpszValue  = (LPSTR)  stack32_pop( context );
 598         LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
 599         LPDWORD lpdwType   = (LPDWORD)stack32_pop( context );
 600         LPBYTE  lpbData    = (LPBYTE) stack32_pop( context );
 601         LPDWORD lpcbData   = (LPDWORD)stack32_pop( context );
 602         return RegQueryValueExA( hkey, lpszValue, lpReserved,
 603                                  lpdwType, lpbData, lpcbData );
 604     }
 605
 606     case 0x001B:  /* RegSetValueEx */
 607     {
 608         HKEY    hkey       = (HKEY)  stack32_pop( context );
 609         LPSTR   lpszValue  = (LPSTR) stack32_pop( context );
 610         DWORD   dwReserved = (DWORD) stack32_pop( context );
 611         DWORD   dwType     = (DWORD) stack32_pop( context );
 612         LPBYTE  lpbData    = (LPBYTE)stack32_pop( context );
 613         DWORD   cbData     = (DWORD) stack32_pop( context );
 614         return RegSetValueExA( hkey, lpszValue, dwReserved,
 615                                dwType, lpbData, cbData );
 616     }
 617
 618     case 0x001C:  /* RegFlushKey */
 619     {
 620         HKEY    hkey       = (HKEY)stack32_pop( context );
 621         return RegFlushKey( hkey );
 622     }
 623
 624     case 0x001D:  /* RegQueryInfoKey */
 625     {
 626         /* NOTE: This VxDCall takes only a subset of the parameters that the
 627                  corresponding Win32 API call does. The implementation in Win95
 628                  ADVAPI32 sets all output parameters not mentioned here to zero. */
 629
 630         HKEY    hkey              = (HKEY)   stack32_pop( context );
 631         LPDWORD lpcSubKeys        = (LPDWORD)stack32_pop( context );
 632         LPDWORD lpcchMaxSubKey    = (LPDWORD)stack32_pop( context );
 633         LPDWORD lpcValues         = (LPDWORD)stack32_pop( context );
 634         LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
 635         LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
 636         return RegQueryInfoKeyA( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey,
 637                                  NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData,
 638                                  NULL, NULL );
 639     }
 640
 641     case 0x0021:  /* RegLoadKey */
 642     {
 643         HKEY    hkey       = (HKEY)  stack32_pop( context );
 644         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 645         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 646         return RegLoadKeyA( hkey, lpszSubKey, lpszFile );
 647     }
 648
 649     case 0x0022:  /* RegUnLoadKey */
 650     {
 651         HKEY    hkey       = (HKEY)  stack32_pop( context );
 652         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 653         return RegUnLoadKeyA( hkey, lpszSubKey );
 654     }
 655
 656     case 0x0023:  /* RegSaveKey */
 657     {
 658         HKEY    hkey       = (HKEY)  stack32_pop( context );
 659         LPCSTR  lpszFile   = (LPCSTR)stack32_pop( context );
 660         LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
 661         return RegSaveKeyA( hkey, lpszFile, sa );
 662     }
 663
 664 #if 0 /* Functions are not yet implemented in misc/registry.c */
 665     case 0x0024:  /* RegRemapPreDefKey */
 666     case 0x0026:  /* RegQueryMultipleValues */
 667 #endif
 668
 669     case 0x0027:  /* RegReplaceKey */
 670     {
 671         HKEY    hkey       = (HKEY)  stack32_pop( context );
 672         LPCSTR  lpszSubKey = (LPCSTR)stack32_pop( context );
 673         LPCSTR  lpszNewFile= (LPCSTR)stack32_pop( context );
 674         LPCSTR  lpszOldFile= (LPCSTR)stack32_pop( context );
 675         return RegReplaceKeyA( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
 676     }
 677     case 0x0000: /* PageReserve */
 678       {
 679         LPVOID address;
 680         LPVOID ret;
 681         DWORD psize = getpagesize();
 682         ULONG page   = (ULONG) stack32_pop( context );
 683         ULONG npages = (ULONG) stack32_pop( context );
 684         ULONG flags  = (ULONG) stack32_pop( context );
 685
 686         TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
 687               page, npages, flags );
 688
 689         if ( page == PR_SYSTEM ) {
 690           ERR("Can't reserve ring 1 memory\n");
 691           return -1;
 692         }
 693         /* FIXME: This has to be handled seperatly, when we have seperate
 694            address-spaces */
 695         if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
 696         /* FIXME: Handle flags in some way */
 697         address = (LPVOID )(page * psize);
 698         ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
 699         TRACE("PageReserve: returning: %08lx\n", (DWORD )ret );
 700         if ( ret == NULL )
 701           return -1;
 702         else
 703           return (DWORD )ret;
 704       }
 705
 706     case 0x0001: /* PageCommit */
 707       {
 708         LPVOID address;
 709         LPVOID ret;
 710         DWORD virt_perm;
 711         DWORD psize = getpagesize();
 712         ULONG page   = (ULONG) stack32_pop( context );
 713         ULONG npages = (ULONG) stack32_pop( context );
 714         ULONG hpd  = (ULONG) stack32_pop( context );
 715         ULONG pagerdata   = (ULONG) stack32_pop( context );
 716         ULONG flags  = (ULONG) stack32_pop( context );
 717
 718         TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
 719               "%08lx, flags: %08lx partial stub\n",
 720               page, npages, hpd, pagerdata, flags );
 721
 722         if ( flags & PC_USER )
 723           if ( flags & PC_WRITEABLE )
 724             virt_perm = PAGE_EXECUTE_READWRITE;
 725           else
 726             virt_perm = PAGE_EXECUTE_READ;
 727         else
 728           virt_perm = PAGE_NOACCESS;
 729
 730         address = (LPVOID )(page * psize);
 731         ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
 732         TRACE("PageCommit: Returning: %08lx\n", (DWORD )ret );
 733         return (DWORD )ret;
 734
 735       }
 736     case 0x0002: /* PageDecommit */
 737       {
 738         LPVOID address;
 739         BOOL ret;
 740         DWORD psize = getpagesize();
 741         ULONG page = (ULONG) stack32_pop( context );
 742         ULONG npages = (ULONG) stack32_pop( context );
 743         ULONG flags = (ULONG) stack32_pop( context );
 744
 745         TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
 746               page, npages, flags );
 747         address = (LPVOID )( page * psize );
 748         ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
 749         TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
 750         return ret;
 751       }
 752     case 0x000d: /* PageModifyPermissions */
 753       {
 754         DWORD pg_old_perm;
 755         DWORD pg_new_perm;
 756         DWORD virt_old_perm;
 757         DWORD virt_new_perm;
 758         MEMORY_BASIC_INFORMATION mbi;
 759         LPVOID address;
 760         DWORD psize = getpagesize();
 761         ULONG page = stack32_pop ( context );
 762         ULONG npages = stack32_pop ( context );
 763         ULONG permand = stack32_pop ( context );
 764         ULONG permor = stack32_pop ( context );
 765
 766         TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
 767               page, npages, permand, permor );
 768         address = (LPVOID )( page * psize );
 769
 770         VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
 771         virt_old_perm = mbi.Protect;
 772
 773         switch ( virt_old_perm & mbi.Protect ) {
 774         case PAGE_READONLY:
 775         case PAGE_EXECUTE:
 776         case PAGE_EXECUTE_READ:
 777           pg_old_perm = PC_USER;
 778           break;
 779         case PAGE_READWRITE:
 780         case PAGE_WRITECOPY:
 781         case PAGE_EXECUTE_READWRITE:
 782         case PAGE_EXECUTE_WRITECOPY:
 783           pg_old_perm = PC_USER | PC_WRITEABLE;
 784           break;
 785         case PAGE_NOACCESS:
 786         default:
 787           pg_old_perm = 0;
 788           break;
 789         }
 790         pg_new_perm = pg_old_perm;
 791         pg_new_perm &= permand & ~PC_STATIC;
 792         pg_new_perm |= permor  & ~PC_STATIC;
 793
 794         virt_new_perm = ( virt_old_perm )  & ~0xff;
 795         if ( pg_new_perm & PC_USER )
 796         {
 797           if ( pg_new_perm & PC_WRITEABLE )
 798             virt_new_perm |= PAGE_EXECUTE_READWRITE;
 799           else
 800             virt_new_perm |= PAGE_EXECUTE_READ;
 801         }
 802
 803         if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
 804           ERR("Can't change page permissions for %08lx\n", (DWORD )address );
 805           return 0xffffffff;
 806         }
 807         TRACE("Returning: %08lx\n", pg_old_perm );
 808         return pg_old_perm;
 809       }
 810     case 0x000a: /* PageFree */
 811       {
 812         BOOL ret;
 813         LPVOID hmem = (LPVOID) stack32_pop( context );
 814         DWORD flags = (DWORD ) stack32_pop( context );
 815
 816         TRACE("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
 817               (DWORD )hmem, flags );
 818
 819         ret = VirtualFree ( hmem, 0, MEM_RELEASE );
 820         context->Eax = ret;
 821         TRACE("Returning: %d\n", ret );
 822
 823         return 0;
 824       }
 825     case 0x001e: /* GetDemandPageInfo */
 826       {
 827          DWORD dinfo = (DWORD)stack32_pop( context );
 828          DWORD flags = (DWORD)stack32_pop( context );
 829
 830          /* GetDemandPageInfo is supposed to fill out the struct at
 831           * "dinfo" with various low-level memory management information.
 832           * Apps are certainly not supposed to call this, although it's
 833           * demoed and documented by Pietrek on pages 441-443 of "Windows
 834           * 95 System Programming Secrets" if any program needs a real
 835           * implementation of this.
 836           */
 837
 838          FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
 839
 840          return 0;
 841       }
 842     default:
 843         if (LOWORD(service) < N_VMM_SERVICE)
 844             FIXME( "Unimplemented service %s (%08lx)\n",
 845                           VMM_Service_Name[LOWORD(service)], service);
 846         else
 847             FIXME( "Unknown service %08lx\n", service);
 848         break;
 849     }
 850
 851     return 0xffffffff;  /* FIXME */
 852 }
 853
 854 /***********************************************************************
 855  *           DeviceIo_IFSMgr
 856  * NOTES
 857  *   The ioctls is used by 'MSNET32.DLL'.
 858  *
 859  *   I have been unable to uncover any documentation about the ioctls so
 860  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
 861  *   based on a resonable guesses on information found in the Windows 95 DDK.
 862  *
 863  */
 864
 865 /*
 866  * IFSMgr DeviceIO service
 867  */
 868
 869 #define IFS_IOCTL_21                100
 870 #define IFS_IOCTL_2F                101
 871 #define IFS_IOCTL_GET_RES           102
 872 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
 873
 874 struct win32apireq {
 875         unsigned long   ar_proid;
 876         unsigned long   ar_eax;
 877         unsigned long   ar_ebx;
 878         unsigned long   ar_ecx;
 879         unsigned long   ar_edx;
 880         unsigned long   ar_esi;
 881         unsigned long   ar_edi;
 882         unsigned long   ar_ebp;
 883         unsigned short  ar_error;
 884         unsigned short  ar_pad;
 885 };
 886
 887 static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT86 *pCxt)
 888 {
 889         memset(pCxt,0,sizeof(*pCxt));
 890
 891         pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
 892         pCxt->Eax = pIn->ar_eax;
 893         pCxt->Ebx = pIn->ar_ebx;
 894         pCxt->Ecx = pIn->ar_ecx;
 895         pCxt->Edx = pIn->ar_edx;
 896         pCxt->Esi = pIn->ar_esi;
 897         pCxt->Edi = pIn->ar_edi;
 898
 899         /* FIXME: Only partial CONTEXT86_CONTROL */
 900         pCxt->Ebp = pIn->ar_ebp;
 901
 902         /* FIXME: pIn->ar_proid ignored */
 903         /* FIXME: pIn->ar_error ignored */
 904         /* FIXME: pIn->ar_pad ignored */
 905 }
 906
 907 static void CONTEXT_2_win32apieq(CONTEXT86 *pCxt,struct win32apireq *pOut)
 908 {
 909         memset(pOut,0,sizeof(struct win32apireq));
 910
 911         pOut->ar_eax = pCxt->Eax;
 912         pOut->ar_ebx = pCxt->Ebx;
 913         pOut->ar_ecx = pCxt->Ecx;
 914         pOut->ar_edx = pCxt->Edx;
 915         pOut->ar_esi = pCxt->Esi;
 916         pOut->ar_edi = pCxt->Edi;
 917
 918         /* FIXME: Only partial CONTEXT86_CONTROL */
 919         pOut->ar_ebp = pCxt->Ebp;
 920
 921         /* FIXME: pOut->ar_proid ignored */
 922         /* FIXME: pOut->ar_error ignored */
 923         /* FIXME: pOut->ar_pad ignored */
 924 }
 925
 926 static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 927                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 928                               LPDWORD lpcbBytesReturned,
 929                               LPOVERLAPPED lpOverlapped)
 930 {
 931     BOOL retv = TRUE;
 932         TRACE("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
 933                         dwIoControlCode,
 934                         lpvInBuffer,cbInBuffer,
 935                         lpvOutBuffer,cbOutBuffer,
 936                         lpcbBytesReturned,
 937                         lpOverlapped);
 938
 939     switch (dwIoControlCode)
 940     {
 941         case IFS_IOCTL_21:
 942         case IFS_IOCTL_2F:{
 943                 CONTEXT86 cxt;
 944                 struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 945                 struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 946
 947                 TRACE(
 948                         "Control '%s': "
 949                         "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 950                         "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 951                         "error=0x%04x, pad=0x%04x\n",
 952                         (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 953                         pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 954                         pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 955                         pIn->ar_error, pIn->ar_pad
 956                 );
 957
 958                 win32apieq_2_CONTEXT(pIn,&cxt);
 959
 960                 if(dwIoControlCode==IFS_IOCTL_21)
 961                 {
 962                         DOS3Call(&cxt); /* Call int 21h */
 963                 } else {
 964                         INT_Int2fHandler(&cxt); /* Call int 2Fh */
 965                 }
 966
 967                 CONTEXT_2_win32apieq(&cxt,pOut);
 968
 969         retv = TRUE;
 970         } break;
 971         case IFS_IOCTL_GET_RES:{
 972         FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 973         retv = FALSE;
 974         } break;
 975         case IFS_IOCTL_GET_NETPRO_NAME_A:{
 976         FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 977         retv = FALSE;
 978         } break;
 979     default:
 980         FIXME( "Control %ld not implemented\n", dwIoControlCode);
 981         retv = FALSE;
 982     }
 983
 984     return retv;
 985 }
 986
 987 /********************************************************************************
 988  *      VxDCall_VWin32
 989  *
 990  *  Service numbers taken from page 448 of Pietrek's "Windows 95 System
 991  *  Progrmaming Secrets".  Parameters from experimentation on real Win98.
 992  *
 993  */
 994
 995 static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
 996 {
 997   switch ( LOWORD(service) )
 998     {
 999     case 0x0000: /* GetVersion */
1000     {
1001         DWORD vers = GetVersion();
1002         return (LOBYTE(vers) << 8) | HIBYTE(vers);
1003     }
1004     break;
1005
1006     case 0x0020: /* Get VMCPD Version */
1007     {
1008         DWORD parm = (DWORD) stack32_pop(context);
1009
1010         FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
1011
1012         /* FIXME: This is what Win98 returns, it may
1013          *        not be correct in all situations.
1014          *        It makes Bleem! happy though.
1015          */
1016
1017         return 0x0405;
1018     }
1019
1020     case 0x0029: /* Int31/DPMI dispatch */
1021     {
1022         DWORD callnum = (DWORD) stack32_pop(context);
1023         DWORD parm    = (DWORD) stack32_pop(context);
1024
1025         TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
1026
1027         AX_reg(context) = callnum;
1028         CX_reg(context) = parm;
1029         INT_Int31Handler(context);
1030
1031         return LOWORD(context->Eax);
1032     }
1033     break;
1034
1035     case 0x002a: /* Int41 dispatch - parm = int41 service number */
1036     {
1037         DWORD callnum = (DWORD) stack32_pop(context);
1038
1039         return callnum; /* FIXME: should really call INT_Int41Handler() */
1040     }
1041     break;
1042
1043     default:
1044       FIXME("Unknown VWin32 service %08lx\n", service);
1045       break;
1046     }
1047
1048   return 0xffffffff;
1049 }
1050
1051
1052
1053 /***********************************************************************
1054  *           DeviceIo_VWin32
1055  */
1056
1057 static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
1058 {
1059     memset( pCxt, 0, sizeof(*pCxt) );
1060     /* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
1061              will interpret 32-bit register contents as linear pointers */
1062
1063     pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
1064     pCxt->Eax = pIn->reg_EAX;
1065     pCxt->Ebx = pIn->reg_EBX;
1066     pCxt->Ecx = pIn->reg_ECX;
1067     pCxt->Edx = pIn->reg_EDX;
1068     pCxt->Esi = pIn->reg_ESI;
1069     pCxt->Edi = pIn->reg_EDI;
1070
1071     /* FIXME: Only partial CONTEXT86_CONTROL */
1072     pCxt->EFlags = pIn->reg_Flags;
1073 }
1074
1075 static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
1076 {
1077     memset( pOut, 0, sizeof(DIOC_REGISTERS) );
1078
1079     pOut->reg_EAX = pCxt->Eax;
1080     pOut->reg_EBX = pCxt->Ebx;
1081     pOut->reg_ECX = pCxt->Ecx;
1082     pOut->reg_EDX = pCxt->Edx;
1083     pOut->reg_ESI = pCxt->Esi;
1084     pOut->reg_EDI = pCxt->Edi;
1085
1086     /* FIXME: Only partial CONTEXT86_CONTROL */
1087     pOut->reg_Flags = pCxt->EFlags;
1088 }
1089
1090
1091 static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
1092                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1093                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1094                               LPDWORD lpcbBytesReturned,
1095                               LPOVERLAPPED lpOverlapped)
1096 {
1097     BOOL retv = TRUE;
1098
1099     switch (dwIoControlCode)
1100     {
1101     case VWIN32_DIOC_DOS_IOCTL:
1102     case VWIN32_DIOC_DOS_INT13:
1103     case VWIN32_DIOC_DOS_INT25:
1104     case VWIN32_DIOC_DOS_INT26:
1105         case VWIN32_DIOC_DOS_DRIVEINFO:
1106     {
1107         CONTEXT86 cxt;
1108         DIOC_REGISTERS *pIn  = (DIOC_REGISTERS *)lpvInBuffer;
1109         DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
1110
1111         TRACE( "Control '%s': "
1112                "eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
1113                "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
1114                (dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
1115                (dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
1116                (dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
1117                (dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" :
1118                (dwIoControlCode == VWIN32_DIOC_DOS_DRIVEINFO)? "VWIN32_DIOC_DOS_DRIVEINFO" :  "???",
1119                pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
1120                pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
1121
1122         DIOCRegs_2_CONTEXT( pIn, &cxt );
1123
1124         switch (dwIoControlCode)
1125         {
1126         case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
1127         case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
1128         case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
1129         case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
1130                 case VWIN32_DIOC_DOS_DRIVEINFO: DOS3Call( &cxt ); break; /* Call int 21h 730x */
1131         }
1132
1133         CONTEXT_2_DIOCRegs( &cxt, pOut );
1134     }
1135     break;
1136
1137     case VWIN32_DIOC_SIMCTRLC:
1138         FIXME( "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
1139         retv = FALSE;
1140         break;
1141
1142     default:
1143         FIXME( "Unknown Control %ld\n", dwIoControlCode);
1144         retv = FALSE;
1145         break;
1146     }
1147
1148     return retv;
1149 }
1150
1151 /* this is the main multimedia device loader */
1152 static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
1153                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1154                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1155                               LPDWORD lpcbBytesReturned,
1156                               LPOVERLAPPED lpOverlapped)
1157 {
1158         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1159             dwIoControlCode,
1160             lpvInBuffer,cbInBuffer,
1161             lpvOutBuffer,cbOutBuffer,
1162             lpcbBytesReturned,
1163             lpOverlapped
1164         );
1165         switch (dwIoControlCode) {
1166         case 5:
1167                 /* Hmm. */
1168                 *(DWORD*)lpvOutBuffer=0;
1169                 *lpcbBytesReturned=4;
1170                 return TRUE;
1171         }
1172         return FALSE;
1173 }
1174 /* this is used by some Origin games */
1175 static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
1176                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1177                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1178                               LPDWORD lpcbBytesReturned,
1179                               LPOVERLAPPED lpOverlapped)
1180 {
1181         switch (dwIoControlCode) {
1182         case 1: /* version */
1183                 *(LPDWORD)lpvOutBuffer = 0x20004; /* WC SecretOps */
1184                 break;
1185         case 9: /* debug output */
1186                 ERR("MONODEBG: %s\n",debugstr_a(lpvInBuffer));
1187                 break;
1188         default:
1189                 FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1190                         dwIoControlCode,
1191                         lpvInBuffer,cbInBuffer,
1192                         lpvOutBuffer,cbOutBuffer,
1193                         lpcbBytesReturned,
1194                         lpOverlapped
1195                 );
1196                 break;
1197         }
1198         return TRUE;
1199 }
1200 /* pccard */
1201 static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
1202                               LPVOID lpvInBuffer, DWORD cbInBuffer,
1203                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1204                               LPDWORD lpcbBytesReturned,
1205                               LPOVERLAPPED lpOverlapped)
1206 {
1207         switch (dwIoControlCode) {
1208         case 0x0000: /* PCCARD_Get_Version */
1209         case 0x0001: /* PCCARD_Card_Services */
1210         default:
1211                 FIXME( "(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1212                         dwIoControlCode,
1213                         lpvInBuffer,cbInBuffer,
1214                         lpvOutBuffer,cbOutBuffer,
1215                         lpcbBytesReturned,
1216                         lpOverlapped
1217                 );
1218                 break;
1219         }
1220         return FALSE;
1221 }
1222
1223 /***********************************************************************
1224  *              OpenVxDHandle
1225  */
1226 DWORD   WINAPI  OpenVxDHandle(DWORD pmt)
1227 {
1228         FIXME( "(0x%08lx) stub!\n", pmt);
1229         return 0;
1230 }
1231
1232 static BOOL DeviceIo_HASP(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
1233                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
1234                               LPDWORD lpcbBytesReturned,
1235                               LPOVERLAPPED lpOverlapped)
1236 {
1237     BOOL retv = TRUE;
1238         FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
1239                         dwIoControlCode,
1240                         lpvInBuffer,cbInBuffer,
1241                         lpvOutBuffer,cbOutBuffer,
1242                         lpcbBytesReturned,
1243                         lpOverlapped);
1244
1245     return retv;
1246 }
1247