dlls/wnaspi32/winaspi32.c

   1 /*
   2  * Copyright 1997 Bruce Milner
   3  * Copyright 1998 Andreas Mohr
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "config.h"
  21
  22 #include <assert.h>
  23 #include <stdlib.h>
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include <errno.h>
  28 #include <fcntl.h>
  29 #include <string.h>
  30 #ifdef HAVE_UNISTD_H
  31 # include <unistd.h>
  32 #endif
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "aspi.h"
  37 #include "wnaspi32.h"
  38 #include "winescsi.h"
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(aspi);
  42
  43 /* FIXME!
  44  * 1) Residual byte length reporting not handled
  45  * 2) Make this code re-entrant for multithreading
  46  *    -- Added CriticalSection to OpenDevices function
  47  * 3) Only linux supported so far
  48  * 4) Leaves sg devices open. This may or may not be okay.  A better solution
  49  *    would be to close the file descriptors when the thread/process using
  50  *    them no longer needs them.
  51  */
  52
  53 #ifdef linux
  54
  55 static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
  56
  57 static CRITICAL_SECTION ASPI_CritSection;
  58 static CRITICAL_SECTION_DEBUG critsect_debug =
  59 {
  60     0, 0, &ASPI_CritSection,
  61     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  62       0, 0, { (DWORD_PTR)(__FILE__ ": ASPI_CritSection") }
  63 };
  64 static CRITICAL_SECTION ASPI_CritSection = { &critsect_debug, -1, 0, 0, 0, 0 };
  65
  66 #endif /* defined(linux) */
  67
  68
  69 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
  70 {
  71 #ifdef linux
  72         switch( fdwReason )
  73         {
  74         case DLL_PROCESS_ATTACH:
  75             DisableThreadLibraryCalls(hInstDLL);
  76             SCSI_Init();
  77             break;
  78         case DLL_PROCESS_DETACH:
  79             DeleteCriticalSection( &ASPI_CritSection );
  80             break;
  81         }
  82 #endif /* defined(linux) */
  83         return TRUE;
  84 }
  85
  86
  87 #ifdef linux
  88
  89 static int
  90 ASPI_OpenDevice(SRB_ExecSCSICmd *prb)
  91 {
  92     int fd;
  93     DWORD       hc;
  94     ASPI_DEVICE_INFO *curr;
  95
  96     /* search list of devices to see if we've opened it already.
  97      * There is not an explicit open/close in ASPI land, so hopefully
  98      * keeping a device open won't be a problem.
  99      */
 100
 101     EnterCriticalSection(&ASPI_CritSection);
 102     for (curr = ASPI_open_devices; curr; curr = curr->next) {
 103         if (curr->hostId == prb->SRB_HaId &&
 104             curr->target == prb->SRB_Target &&
 105             curr->lun == prb->SRB_Lun) {
 106             LeaveCriticalSection(&ASPI_CritSection);
 107             return curr->fd;
 108         }
 109     }
 110     LeaveCriticalSection(&ASPI_CritSection);
 111
 112     if (prb->SRB_HaId > ASPI_GetNumControllers())
 113         return -1;
 114
 115     hc = ASPI_GetHCforController( prb->SRB_HaId );
 116     fd = SCSI_OpenDevice( HIWORD(hc), LOWORD(hc), prb->SRB_Target, prb->SRB_Lun);
 117
 118     if (fd == -1)
 119         return -1;
 120
 121     /* device is now open */
 122     /* FIXME: Let users specify SCSI timeout in registry */
 123     SCSI_LinuxSetTimeout( fd, SCSI_DEFAULT_TIMEOUT );
 124
 125     curr = HeapAlloc( GetProcessHeap(), 0, sizeof(ASPI_DEVICE_INFO) );
 126     curr->fd = fd;
 127     curr->hostId = prb->SRB_HaId;
 128     curr->target = prb->SRB_Target;
 129     curr->lun = prb->SRB_Lun;
 130
 131     /* insert new record at beginning of open device list */
 132     EnterCriticalSection(&ASPI_CritSection);
 133     curr->next = ASPI_open_devices;
 134     ASPI_open_devices = curr;
 135     LeaveCriticalSection(&ASPI_CritSection);
 136     return fd;
 137 }
 138
 139
 140 static void
 141 ASPI_DebugPrintCmd(SRB_ExecSCSICmd *prb)
 142 {
 143   BYTE  cmd;
 144   int   i;
 145   BYTE *cdb;
 146
 147   switch (prb->CDBByte[0]) {
 148   case CMD_INQUIRY:
 149     TRACE("INQUIRY {\n");
 150     TRACE("\tEVPD: %d\n", prb->CDBByte[1] & 1);
 151     TRACE("\tLUN: %d\n", (prb->CDBByte[1] & 0xc) >> 1);
 152     TRACE("\tPAGE CODE: %d\n", prb->CDBByte[2]);
 153     TRACE("\tALLOCATION LENGTH: %d\n", prb->CDBByte[4]);
 154     TRACE("\tCONTROL: %d\n", prb->CDBByte[5]);
 155     TRACE("}\n");
 156     break;
 157   case CMD_SCAN_SCAN:
 158     TRACE("Transfer Length: %d\n", prb->CDBByte[4]);
 159     break;
 160   }
 161
 162   TRACE("Host Adapter: %d\n", prb->SRB_HaId);
 163   TRACE("Flags: %d\n", prb->SRB_Flags);
 164   if (TARGET_TO_HOST(prb)) {
 165     TRACE("\tData transfer: Target to host. Length checked.\n");
 166   }
 167   else if (HOST_TO_TARGET(prb)) {
 168     TRACE("\tData transfer: Host to target. Length checked.\n");
 169   }
 170   else if (NO_DATA_TRANSFERRED(prb)) {
 171     TRACE("\tData transfer: none\n");
 172   }
 173   else {
 174     WARN("\tTransfer by scsi cmd. Length not checked.\n");
 175   }
 176
 177   TRACE("\tResidual byte length reporting %s\n", prb->SRB_Flags & 0x4 ? "enabled" : "disabled");
 178   TRACE("\tLinking %s\n", prb->SRB_Flags & 0x2 ? "enabled" : "disabled");
 179   TRACE("\tPosting %s\n", prb->SRB_Flags & 0x1 ? "enabled" : "disabled");
 180   TRACE("Target: %d\n", prb->SRB_Target);
 181   TRACE("Lun: %d\n", prb->SRB_Lun);
 182   TRACE("BufLen: %d\n", prb->SRB_BufLen);
 183   TRACE("SenseLen: %d\n", prb->SRB_SenseLen);
 184   TRACE("BufPtr: %p\n", prb->SRB_BufPointer);
 185   TRACE("CDB Length: %d\n", prb->SRB_CDBLen);
 186   TRACE("POST Proc: %p\n", prb->SRB_PostProc);
 187   cdb = &prb->CDBByte[0];
 188   cmd = prb->CDBByte[0];
 189   if (TRACE_ON(aspi)) {
 190       TRACE("CDB buffer[");
 191       for (i = 0; i < prb->SRB_CDBLen; i++) {
 192           if (i != 0) TRACE(",");
 193           TRACE("%02x", *cdb++);
 194       }
 195       TRACE("]\n");
 196   }
 197 }
 198
 199 static void
 200 ASPI_PrintCDBArea(SRB_ExecSCSICmd *prb)
 201 {
 202     if (TRACE_ON(aspi))
 203     {
 204         int i;
 205         TRACE("CDB[");
 206         for (i = 0; i < prb->SRB_CDBLen; i++) {
 207             if (i) TRACE(",");
 208             TRACE("%02x", prb->CDBByte[i]);
 209         }
 210         TRACE("]\n");
 211     }
 212 }
 213
 214 static void
 215 ASPI_PrintSenseArea(SRB_ExecSCSICmd *prb)
 216 {
 217   int   i;
 218   BYTE  *rqbuf = prb->SenseArea;
 219
 220   if (TRACE_ON(aspi))
 221   {
 222       TRACE("Request Sense reports:\n");
 223       if ((rqbuf[0]&0x7f)!=0x70) {
 224               TRACE("\tInvalid sense header: 0x%02x instead of 0x70\n", rqbuf[0]&0x7f);
 225               return;
 226       }
 227       TRACE("\tCurrent command read filemark: %s\n",(rqbuf[2]&0x80)?"yes":"no");
 228       TRACE("\tEarly warning passed: %s\n",(rqbuf[2]&0x40)?"yes":"no");
 229       TRACE("\tIncorrect blocklength: %s\n",(rqbuf[2]&0x20)?"yes":"no");
 230       TRACE("\tSense Key: %d\n",rqbuf[2]&0xf);
 231       if (rqbuf[0]&0x80)
 232         TRACE("\tResidual Length: %d\n",rqbuf[3]*0x1000000+rqbuf[4]*0x10000+rqbuf[5]*0x100+rqbuf[6]);
 233       TRACE("\tAdditional Sense Length: %d\n",rqbuf[7]);
 234       TRACE("\tAdditional Sense Code: %d\n",rqbuf[12]);
 235       TRACE("\tAdditional Sense Code Qualifier: %d\n",rqbuf[13]);
 236       if (rqbuf[15]&0x80) {
 237         TRACE("\tIllegal Param is in %s\n",(rqbuf[15]&0x40)?"the CDB":"the Data Out Phase");
 238         if (rqbuf[15]&0x8) {
 239           TRACE("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7);
 240         }
 241       }
 242       TRACE("SenseArea[");
 243       for (i = 0; i < prb->SRB_SenseLen; i++) {
 244         if (i) TRACE(",");
 245         TRACE("%02x", *rqbuf++);
 246       }
 247       TRACE("]\n");
 248   }
 249 }
 250
 251 static void
 252 ASPI_DebugPrintResult(SRB_ExecSCSICmd *prb)
 253 {
 254
 255   TRACE("SRB_Status: %x\n", prb->SRB_Status);
 256   TRACE("SRB_HaStat: %x\n", prb->SRB_HaStat);
 257   TRACE("SRB_TargStat: %x\n", prb->SRB_TargStat);
 258   switch (prb->CDBByte[0]) {
 259   case CMD_INQUIRY:
 260     TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR);
 261     break;
 262   case CMD_TEST_UNIT_READY:
 263     ASPI_PrintSenseArea(prb);
 264     break;
 265   }
 266 }
 267
 268 /* Posting must be done in such a way that as soon as the SRB_Status is set
 269  * we don't touch the SRB anymore because it could possibly be freed
 270  * if the app is doing ASPI polling
 271  */
 272 static DWORD
 273 WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status )
 274 {
 275         void (*SRB_PostProc)() = lpPRB->SRB_PostProc;
 276         BYTE SRB_Flags = lpPRB->SRB_Flags;
 277         if( status == SS_PENDING )
 278         {
 279                 WARN("Tried posting SS_PENDING\n");
 280                 return SS_PENDING;
 281         }
 282         lpPRB->SRB_Status = status;
 283         /* lpPRB is NOT safe, it could be freed in another thread */
 284
 285         if (SRB_PostProc)
 286         {
 287                 if (SRB_Flags & 0x1)
 288                 {
 289                         TRACE("Post Routine (%p) called\n", SRB_PostProc);
 290                         /* Even though lpPRB could have been freed by
 291                          * the program.. that's unlikely if it planned
 292                          * to use it in the PostProc
 293                          */
 294                         (*SRB_PostProc)(lpPRB);
 295                 }
 296                 else if (SRB_Flags & SRB_EVENT_NOTIFY) {
 297                         TRACE("Setting event %p\n", (HANDLE)SRB_PostProc);
 298                         SetEvent((HANDLE)SRB_PostProc);
 299                 }
 300         }
 301         return SS_PENDING;
 302 }
 303
 304 static WORD
 305 ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB)
 306 {
 307   struct sg_header *sg_hd, *sg_reply_hdr;
 308   WORD ret;
 309   DWORD status;
 310   int   in_len, out_len;
 311   int   error_code = 0;
 312   int   fd;
 313   DWORD SRB_Status;
 314
 315   /* FIXME: hackmode */
 316 #define MAKE_TARGET_TO_HOST(lpPRB) \
 317         if (!TARGET_TO_HOST(lpPRB)) { \
 318             WARN("program was not sending target_to_host for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 319             lpPRB->SRB_Flags |= 0x08; \
 320         }
 321 #define MAKE_HOST_TO_TARGET(lpPRB) \
 322         if (!HOST_TO_TARGET(lpPRB)) { \
 323             WARN("program was not sending host_to_target for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 324             lpPRB->SRB_Flags |= 0x10; \
 325         }
 326   switch (lpPRB->CDBByte[0]) {
 327   case 0x12: /* INQUIRY */
 328   case 0x5a: /* MODE_SENSE_10 */
 329   case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 330   case 0xad: /* READ DVD STRUCTURE MMC-2 */
 331         MAKE_TARGET_TO_HOST(lpPRB)
 332         break;
 333   case 0xa3: /* SEND KEY (DVD) MMC-2 */
 334         MAKE_HOST_TO_TARGET(lpPRB)
 335         break;
 336   default:
 337         if ((((lpPRB->SRB_Flags & 0x18) == 0x00) ||
 338              ((lpPRB->SRB_Flags & 0x18) == 0x18)
 339             ) && lpPRB->SRB_BufLen
 340         ) {
 341             FIXME("command 0x%02x, no data transfer specified, but buflen is %d!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen);
 342         }
 343         break;
 344   }
 345   ASPI_DebugPrintCmd(lpPRB);
 346   if (lpPRB->SRB_HaId > ASPI_GetNumControllers()) {
 347       ERR("Failed: Wanted hostadapter %d, but we have only %d.\n",
 348           lpPRB->SRB_HaId,ASPI_GetNumControllers()
 349       );
 350       return WNASPI32_DoPosting( lpPRB, SS_INVALID_HA );
 351   }
 352   fd = ASPI_OpenDevice(lpPRB);
 353   if (fd == -1) {
 354       return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE );
 355   }
 356
 357   sg_hd = NULL;
 358   sg_reply_hdr = NULL;
 359
 360   lpPRB->SRB_Status = SS_PENDING;
 361
 362   if (!lpPRB->SRB_CDBLen) {
 363       ERR("Failed: lpPRB->SRB_CDBLen = 0.\n");
 364       return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB );
 365   }
 366
 367   /* build up sg_header + scsi cmd */
 368   if (HOST_TO_TARGET(lpPRB)) {
 369     /* send header, command, and then data */
 370     in_len = SCSI_OFF + lpPRB->SRB_CDBLen + lpPRB->SRB_BufLen;
 371     sg_hd = HeapAlloc(GetProcessHeap(), 0, in_len);
 372     memset(sg_hd, 0, SCSI_OFF);
 373     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 374     if (lpPRB->SRB_BufLen) {
 375       memcpy(((BYTE *) sg_hd) + SCSI_OFF + lpPRB->SRB_CDBLen, lpPRB->SRB_BufPointer, lpPRB->SRB_BufLen);
 376     }
 377   }
 378   else {
 379     /* send header and command - no data */
 380     in_len = SCSI_OFF + lpPRB->SRB_CDBLen;
 381     sg_hd = HeapAlloc(GetProcessHeap(), 0, in_len);
 382     memset(sg_hd, 0, SCSI_OFF);
 383     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 384   }
 385
 386   if (TARGET_TO_HOST(lpPRB)) {
 387     out_len = SCSI_OFF + lpPRB->SRB_BufLen;
 388     sg_reply_hdr = HeapAlloc(GetProcessHeap(), 0, out_len);
 389     memset(sg_reply_hdr, 0, SCSI_OFF);
 390     sg_hd->reply_len = out_len;
 391   }
 392   else {
 393     out_len = SCSI_OFF;
 394     sg_reply_hdr = HeapAlloc(GetProcessHeap(), 0, out_len);
 395     memset(sg_reply_hdr, 0, SCSI_OFF);
 396     sg_hd->reply_len = out_len;
 397   }
 398
 399   SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 400
 401   if(!SCSI_LinuxDeviceIo( fd,
 402                           sg_hd, in_len,
 403                           sg_reply_hdr, out_len,
 404                           &status) )
 405   {
 406     goto error_exit;
 407   }
 408
 409   if (sg_reply_hdr->result != 0) {
 410     error_code = sg_reply_hdr->result;
 411     WARN("reply header error (%d)\n", sg_reply_hdr->result);
 412     goto error_exit;
 413   }
 414
 415   if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) {
 416     memcpy(lpPRB->SRB_BufPointer, sg_reply_hdr + 1, lpPRB->SRB_BufLen);
 417   }
 418
 419   /* copy in sense buffer to amount that is available in client */
 420   if (lpPRB->SRB_SenseLen) {
 421     int sense_len = lpPRB->SRB_SenseLen;
 422     if (lpPRB->SRB_SenseLen > 16)
 423       sense_len = 16;
 424
 425     /* CDB is fixed in WNASPI32 */
 426     memcpy(lpPRB->SenseArea, &sg_reply_hdr->sense_buffer[0], sense_len);
 427
 428     ASPI_PrintCDBArea(lpPRB);
 429     ASPI_PrintSenseArea(lpPRB);
 430   }
 431
 432   SRB_Status = SS_COMP;
 433   lpPRB->SRB_HaStat = HASTAT_OK;
 434   lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1;
 435
 436   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 437   HeapFree(GetProcessHeap(), 0, sg_hd);
 438
 439   /* FIXME: Should this be != 0 maybe? */
 440   if( lpPRB->SRB_TargStat == 2 ) {
 441     SRB_Status = SS_ERR;
 442     switch (lpPRB->CDBByte[0]) {
 443     case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 444     case 0xa3: /* SEND KEY (DVD) MMC-2 */
 445           SRB_Status = SS_COMP;
 446           lpPRB->SRB_TargStat = 0;
 447           FIXME("Program wants to do DVD Region switching, but fails (non compliant DVD drive). Ignoring....\n");
 448           break;
 449     }
 450   }
 451
 452   ASPI_DebugPrintResult(lpPRB);
 453   /* now do posting */
 454   ret = WNASPI32_DoPosting( lpPRB, SRB_Status );
 455
 456   switch (lpPRB->CDBByte[0]) {
 457   case CMD_INQUIRY:
 458       if (SRB_Status == SS_COMP)
 459           return SS_COMP; /* some junk expects ss_comp here. */
 460       /*FALLTHROUGH*/
 461   default:
 462       break;
 463   }
 464
 465   /* In real WNASPI32 stuff really is always pending because ASPI does things
 466      in the background, but we are not doing that (yet) */
 467
 468   return ret;
 469
 470 error_exit:
 471   SRB_Status = SS_ERR;
 472   if (error_code == EBUSY) {
 473       WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY );
 474       TRACE("Device busy\n");
 475   } else
 476       FIXME("Failed\n");
 477
 478   /* I'm not sure exactly error codes work here
 479    * We probably should set lpPRB->SRB_TargStat, SRB_HaStat ?
 480    */
 481   WARN("error_exit\n");
 482   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 483   HeapFree(GetProcessHeap(), 0, sg_hd);
 484   WNASPI32_DoPosting( lpPRB, SRB_Status );
 485   return SS_PENDING;
 486 }
 487
 488 #endif /* defined(linux) */
 489
 490
 491 /*******************************************************************
 492  *     GetASPI32SupportInfo             [WNASPI32.1]
 493  *
 494  * Checks if the ASPI subsystem is initialized correctly.
 495  *
 496  * RETURNS
 497  *    HIWORD: 0.
 498  *    HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT)
 499  *    LOBYTE of LOWORD: # of host adapters.
 500  */
 501 DWORD __cdecl GetASPI32SupportInfo(void)
 502 {
 503     DWORD controllers = ASPI_GetNumControllers();
 504
 505     if (!controllers)
 506         return SS_NO_ADAPTERS << 8;
 507     return (SS_COMP << 8) | controllers ;
 508 }
 509
 510 /***********************************************************************
 511  *             SendASPI32Command (WNASPI32.2)
 512  */
 513 DWORD __cdecl SendASPI32Command(LPSRB lpSRB)
 514 {
 515 #ifdef linux
 516   static const char szId[] = "ASPI for WIN32";
 517   static const char szWh[] = "Wine host";
 518   switch (lpSRB->common.SRB_Cmd) {
 519   case SC_HA_INQUIRY:
 520     lpSRB->inquiry.SRB_Status = SS_COMP;       /* completed successfully */
 521     lpSRB->inquiry.HA_Count = ASPI_GetNumControllers();
 522     lpSRB->inquiry.HA_SCSI_ID = 7;             /* not always ID 7 */
 523     memcpy(lpSRB->inquiry.HA_ManagerId, szId, sizeof szId); /* max 15 chars, don't change */
 524     memcpy(lpSRB->inquiry.HA_Identifier, szWh, sizeof szWh); /* FIXME: return host adapter name */
 525     memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */
 526     lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */
 527     lpSRB->inquiry.HA_Unique[3] = 0x08; /* Maximum number of SCSI targets */
 528     FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId);
 529     return SS_COMP;
 530
 531   case SC_GET_DEV_TYPE: {
 532     /* FIXME: We should return SS_NO_DEVICE if the device is not configured */
 533     /* FIXME: We should return SS_INVALID_HA if HostAdapter!=0 */
 534     SRB         tmpsrb;
 535     unsigned char inqbuf[200];
 536     DWORD       ret;
 537
 538     memset(&tmpsrb,0,sizeof(tmpsrb));
 539
 540     /* Copy header */
 541     memcpy(&tmpsrb.common,&(lpSRB->common),sizeof(tmpsrb.common));
 542
 543     tmpsrb.cmd.SRB_Flags        |= 8; /* target to host */
 544     tmpsrb.cmd.SRB_Cmd          = SC_EXEC_SCSI_CMD;
 545     tmpsrb.cmd.SRB_Target       = lpSRB->devtype.SRB_Target;
 546     tmpsrb.cmd.SRB_Lun          = lpSRB->devtype.SRB_Lun;
 547     tmpsrb.cmd.SRB_BufLen       = sizeof(inqbuf);
 548     tmpsrb.cmd.SRB_BufPointer   = inqbuf;
 549     tmpsrb.cmd.CDBByte[0]       = 0x12; /* INQUIRY  */
 550                                   /* FIXME: handle lun */
 551     tmpsrb.cmd.CDBByte[4]       = sizeof(inqbuf);
 552     tmpsrb.cmd.SRB_CDBLen       = 6;
 553
 554     ret = ASPI_ExecScsiCmd(&tmpsrb.cmd);
 555
 556     lpSRB->devtype.SRB_Status   = tmpsrb.cmd.SRB_Status;
 557     lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f;
 558
 559     TRACE("returning devicetype %d for target %d\n",inqbuf[0]&0x1f,tmpsrb.cmd.SRB_Target);
 560     if (ret!=SS_PENDING) /* Any error is passed down directly */
 561         return ret;
 562     /* FIXME: knows that the command is finished already, pass final Status */
 563     return tmpsrb.cmd.SRB_Status;
 564   }
 565   case SC_EXEC_SCSI_CMD:
 566     return ASPI_ExecScsiCmd(&lpSRB->cmd);
 567   case SC_ABORT_SRB:
 568     FIXME("Not implemented SC_ABORT_SRB\n");
 569     break;
 570   case SC_RESET_DEV:
 571     FIXME("Not implemented SC_RESET_DEV\n");
 572     break;
 573   case SC_GET_DISK_INFO:
 574     /* here we have to find out the int13 / bios association.
 575      * We just say we do not have any.
 576      */
 577     FIXME("SC_GET_DISK_INFO always return 'int13 unassociated disk'.\n");
 578     lpSRB->diskinfo.SRB_DriveFlags = 0; /* disk is not int13 served */
 579     return SS_COMP;
 580   default:
 581     FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
 582   }
 583   return SS_INVALID_SRB;
 584 #else
 585   return SS_INVALID_SRB;
 586 #endif
 587 }
 588
 589
 590 /***********************************************************************
 591  *             GetASPI32DLLVersion   (WNASPI32.4)
 592  */
 593 DWORD __cdecl GetASPI32DLLVersion(void)
 594 {
 595 #ifdef linux
 596         TRACE("Returning version 1\n");
 597         return (DWORD)1;
 598 #else
 599         FIXME("Please add SCSI support for your operating system, returning 0\n");
 600         return (DWORD)0;
 601 #endif
 602 }
 603
 604 /***********************************************************************
 605  *             GetASPI32Buffer   (WNASPI32.8)
 606  * Supposed to return a DMA capable large SCSI buffer.
 607  * Our implementation does not use those at all, all buffer stuff is
 608  * done in the kernel SG device layer. So we just heapalloc the buffer.
 609  */
 610 BOOL __cdecl GetASPI32Buffer(PASPI32BUFF pab)
 611 {
 612     pab->AB_BufPointer = HeapAlloc(GetProcessHeap(),
 613                 pab->AB_ZeroFill?HEAP_ZERO_MEMORY:0,
 614                 pab->AB_BufLen
 615     );
 616     if (!pab->AB_BufPointer) return FALSE;
 617     return TRUE;
 618 }
 619
 620 /***********************************************************************
 621  *             FreeASPI32Buffer   (WNASPI32.14)
 622  */
 623 BOOL __cdecl FreeASPI32Buffer(PASPI32BUFF pab)
 624 {
 625     HeapFree(GetProcessHeap(),0,pab->AB_BufPointer);
 626     return TRUE;
 627 }
 628
 629 /***********************************************************************
 630  *             TranslateASPI32Address   (WNASPI32.7)
 631  */
 632 BOOL __cdecl TranslateASPI32Address(LPDWORD pdwPath, LPDWORD pdwDEVNODE)
 633 {
 634     FIXME("(%p, %p), stub !\n", pdwPath, pdwDEVNODE);
 635     return TRUE;
 636 }