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   int   i;
 144   BYTE *cdb;
 145
 146   switch (prb->CDBByte[0]) {
 147   case CMD_INQUIRY:
 148     TRACE("INQUIRY {\n");
 149     TRACE("\tEVPD: %d\n", prb->CDBByte[1] & 1);
 150     TRACE("\tLUN: %d\n", (prb->CDBByte[1] & 0xc) >> 1);
 151     TRACE("\tPAGE CODE: %d\n", prb->CDBByte[2]);
 152     TRACE("\tALLOCATION LENGTH: %d\n", prb->CDBByte[4]);
 153     TRACE("\tCONTROL: %d\n", prb->CDBByte[5]);
 154     TRACE("}\n");
 155     break;
 156   case CMD_SCAN_SCAN:
 157     TRACE("Transfer Length: %d\n", prb->CDBByte[4]);
 158     break;
 159   }
 160
 161   TRACE("Host Adapter: %d\n", prb->SRB_HaId);
 162   TRACE("Flags: %d\n", prb->SRB_Flags);
 163   if (TARGET_TO_HOST(prb)) {
 164     TRACE("\tData transfer: Target to host. Length checked.\n");
 165   }
 166   else if (HOST_TO_TARGET(prb)) {
 167     TRACE("\tData transfer: Host to target. Length checked.\n");
 168   }
 169   else if (NO_DATA_TRANSFERRED(prb)) {
 170     TRACE("\tData transfer: none\n");
 171   }
 172   else {
 173     WARN("\tTransfer by scsi cmd. Length not checked.\n");
 174   }
 175
 176   TRACE("\tResidual byte length reporting %s\n", prb->SRB_Flags & 0x4 ? "enabled" : "disabled");
 177   TRACE("\tLinking %s\n", prb->SRB_Flags & 0x2 ? "enabled" : "disabled");
 178   TRACE("\tPosting %s\n", prb->SRB_Flags & 0x1 ? "enabled" : "disabled");
 179   TRACE("Target: %d\n", prb->SRB_Target);
 180   TRACE("Lun: %d\n", prb->SRB_Lun);
 181   TRACE("BufLen: %d\n", prb->SRB_BufLen);
 182   TRACE("SenseLen: %d\n", prb->SRB_SenseLen);
 183   TRACE("BufPtr: %p\n", prb->SRB_BufPointer);
 184   TRACE("CDB Length: %d\n", prb->SRB_CDBLen);
 185   TRACE("POST Proc: %p\n", prb->SRB_PostProc);
 186   cdb = &prb->CDBByte[0];
 187   if (TRACE_ON(aspi)) {
 188       TRACE("CDB buffer[");
 189       for (i = 0; i < prb->SRB_CDBLen; i++) {
 190           if (i != 0) TRACE(",");
 191           TRACE("%02x", *cdb++);
 192       }
 193       TRACE("]\n");
 194   }
 195 }
 196
 197 static void
 198 ASPI_PrintCDBArea(SRB_ExecSCSICmd *prb)
 199 {
 200     if (TRACE_ON(aspi))
 201     {
 202         int i;
 203         TRACE("CDB[");
 204         for (i = 0; i < prb->SRB_CDBLen; i++) {
 205             if (i) TRACE(",");
 206             TRACE("%02x", prb->CDBByte[i]);
 207         }
 208         TRACE("]\n");
 209     }
 210 }
 211
 212 static void
 213 ASPI_PrintSenseArea(SRB_ExecSCSICmd *prb)
 214 {
 215   int   i;
 216   BYTE  *rqbuf = prb->SenseArea;
 217
 218   if (TRACE_ON(aspi))
 219   {
 220       TRACE("Request Sense reports:\n");
 221       if ((rqbuf[0]&0x7f)!=0x70) {
 222               TRACE("\tInvalid sense header: 0x%02x instead of 0x70\n", rqbuf[0]&0x7f);
 223               return;
 224       }
 225       TRACE("\tCurrent command read filemark: %s\n",(rqbuf[2]&0x80)?"yes":"no");
 226       TRACE("\tEarly warning passed: %s\n",(rqbuf[2]&0x40)?"yes":"no");
 227       TRACE("\tIncorrect blocklength: %s\n",(rqbuf[2]&0x20)?"yes":"no");
 228       TRACE("\tSense Key: %d\n",rqbuf[2]&0xf);
 229       if (rqbuf[0]&0x80)
 230         TRACE("\tResidual Length: %d\n",rqbuf[3]*0x1000000+rqbuf[4]*0x10000+rqbuf[5]*0x100+rqbuf[6]);
 231       TRACE("\tAdditional Sense Length: %d\n",rqbuf[7]);
 232       TRACE("\tAdditional Sense Code: %d\n",rqbuf[12]);
 233       TRACE("\tAdditional Sense Code Qualifier: %d\n",rqbuf[13]);
 234       if (rqbuf[15]&0x80) {
 235         TRACE("\tIllegal Param is in %s\n",(rqbuf[15]&0x40)?"the CDB":"the Data Out Phase");
 236         if (rqbuf[15]&0x8) {
 237           TRACE("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7);
 238         }
 239       }
 240       TRACE("SenseArea[");
 241       for (i = 0; i < prb->SRB_SenseLen; i++) {
 242         if (i) TRACE(",");
 243         TRACE("%02x", *rqbuf++);
 244       }
 245       TRACE("]\n");
 246   }
 247 }
 248
 249 static void
 250 ASPI_DebugPrintResult(SRB_ExecSCSICmd *prb)
 251 {
 252
 253   TRACE("SRB_Status: %x\n", prb->SRB_Status);
 254   TRACE("SRB_HaStat: %x\n", prb->SRB_HaStat);
 255   TRACE("SRB_TargStat: %x\n", prb->SRB_TargStat);
 256   switch (prb->CDBByte[0]) {
 257   case CMD_INQUIRY:
 258     TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR);
 259     break;
 260   case CMD_TEST_UNIT_READY:
 261     ASPI_PrintSenseArea(prb);
 262     break;
 263   }
 264 }
 265
 266 /* Posting must be done in such a way that as soon as the SRB_Status is set
 267  * we don't touch the SRB anymore because it could possibly be freed
 268  * if the app is doing ASPI polling
 269  */
 270 static DWORD
 271 WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status )
 272 {
 273         void (*SRB_PostProc)() = lpPRB->SRB_PostProc;
 274         BYTE SRB_Flags = lpPRB->SRB_Flags;
 275         if( status == SS_PENDING )
 276         {
 277                 WARN("Tried posting SS_PENDING\n");
 278                 return SS_PENDING;
 279         }
 280         lpPRB->SRB_Status = status;
 281         /* lpPRB is NOT safe, it could be freed in another thread */
 282
 283         if (SRB_PostProc)
 284         {
 285                 if (SRB_Flags & 0x1)
 286                 {
 287                         TRACE("Post Routine (%p) called\n", SRB_PostProc);
 288                         /* Even though lpPRB could have been freed by
 289                          * the program.. that's unlikely if it planned
 290                          * to use it in the PostProc
 291                          */
 292                         (*SRB_PostProc)(lpPRB);
 293                 }
 294                 else if (SRB_Flags & SRB_EVENT_NOTIFY) {
 295                         TRACE("Setting event %p\n", SRB_PostProc);
 296                         SetEvent(SRB_PostProc);
 297                 }
 298         }
 299         return SS_PENDING;
 300 }
 301
 302 static WORD
 303 ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB)
 304 {
 305   struct sg_header *sg_hd, *sg_reply_hdr;
 306   WORD ret;
 307   DWORD status;
 308   int   in_len, out_len;
 309   int   num_controllers = 0;
 310   int   error_code = 0;
 311   int   fd;
 312   DWORD SRB_Status;
 313
 314   num_controllers = ASPI_GetNumControllers();
 315   if (lpPRB->SRB_HaId >= num_controllers) {
 316       WARN("Failed: Wanted hostadapter with index %d, but we have only %d.\n",
 317           lpPRB->SRB_HaId, num_controllers
 318       );
 319       return WNASPI32_DoPosting( lpPRB, SS_INVALID_HA );
 320   }
 321   fd = ASPI_OpenDevice(lpPRB);
 322   if (fd == -1) {
 323       return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE );
 324   }
 325
 326   /* FIXME: hackmode */
 327 #define MAKE_TARGET_TO_HOST(lpPRB) \
 328         if (!TARGET_TO_HOST(lpPRB)) { \
 329             WARN("program was not sending target_to_host for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 330             lpPRB->SRB_Flags |= 0x08; \
 331         }
 332 #define MAKE_HOST_TO_TARGET(lpPRB) \
 333         if (!HOST_TO_TARGET(lpPRB)) { \
 334             WARN("program was not sending host_to_target for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 335             lpPRB->SRB_Flags |= 0x10; \
 336         }
 337   switch (lpPRB->CDBByte[0]) {
 338   case 0x12: /* INQUIRY */
 339   case 0x5a: /* MODE_SENSE_10 */
 340   case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 341   case 0xad: /* READ DVD STRUCTURE MMC-2 */
 342         MAKE_TARGET_TO_HOST(lpPRB)
 343         break;
 344   case 0xa3: /* SEND KEY (DVD) MMC-2 */
 345         MAKE_HOST_TO_TARGET(lpPRB)
 346         break;
 347   default:
 348         if ((((lpPRB->SRB_Flags & 0x18) == 0x00) ||
 349              ((lpPRB->SRB_Flags & 0x18) == 0x18)
 350             ) && lpPRB->SRB_BufLen
 351         ) {
 352             FIXME("command 0x%02x, no data transfer specified, but buflen is %d!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen);
 353         }
 354         break;
 355   }
 356   ASPI_DebugPrintCmd(lpPRB);
 357
 358   sg_hd = NULL;
 359   sg_reply_hdr = NULL;
 360
 361   lpPRB->SRB_Status = SS_PENDING;
 362
 363   if (!lpPRB->SRB_CDBLen) {
 364       ERR("Failed: lpPRB->SRB_CDBLen = 0.\n");
 365       return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB );
 366   }
 367
 368   /* build up sg_header + scsi cmd */
 369   if (HOST_TO_TARGET(lpPRB)) {
 370     /* send header, command, and then data */
 371     in_len = SCSI_OFF + lpPRB->SRB_CDBLen + lpPRB->SRB_BufLen;
 372     sg_hd = HeapAlloc(GetProcessHeap(), 0, in_len);
 373     memset(sg_hd, 0, SCSI_OFF);
 374     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 375     if (lpPRB->SRB_BufLen) {
 376       memcpy(((BYTE *) sg_hd) + SCSI_OFF + lpPRB->SRB_CDBLen, lpPRB->SRB_BufPointer, lpPRB->SRB_BufLen);
 377     }
 378   }
 379   else {
 380     /* send header and command - no data */
 381     in_len = SCSI_OFF + lpPRB->SRB_CDBLen;
 382     sg_hd = HeapAlloc(GetProcessHeap(), 0, in_len);
 383     memset(sg_hd, 0, SCSI_OFF);
 384     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 385   }
 386
 387   if (TARGET_TO_HOST(lpPRB)) {
 388     out_len = SCSI_OFF + lpPRB->SRB_BufLen;
 389     sg_reply_hdr = HeapAlloc(GetProcessHeap(), 0, out_len);
 390     memset(sg_reply_hdr, 0, SCSI_OFF);
 391     sg_hd->reply_len = out_len;
 392   }
 393   else {
 394     out_len = SCSI_OFF;
 395     sg_reply_hdr = HeapAlloc(GetProcessHeap(), 0, out_len);
 396     memset(sg_reply_hdr, 0, SCSI_OFF);
 397     sg_hd->reply_len = out_len;
 398   }
 399
 400   SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 401
 402   if(!SCSI_LinuxDeviceIo( fd,
 403                           sg_hd, in_len,
 404                           sg_reply_hdr, out_len,
 405                           &status) )
 406   {
 407     goto error_exit;
 408   }
 409
 410   if (sg_reply_hdr->result != 0) {
 411     error_code = sg_reply_hdr->result;
 412     WARN("reply header error (%d)\n", sg_reply_hdr->result);
 413     goto error_exit;
 414   }
 415
 416   if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) {
 417     memcpy(lpPRB->SRB_BufPointer, sg_reply_hdr + 1, lpPRB->SRB_BufLen);
 418   }
 419
 420   /* copy in sense buffer to amount that is available in client */
 421   if (lpPRB->SRB_SenseLen) {
 422     int sense_len = lpPRB->SRB_SenseLen;
 423     if (lpPRB->SRB_SenseLen > 16)
 424       sense_len = 16;
 425
 426     /* CDB is fixed in WNASPI32 */
 427     memcpy(lpPRB->SenseArea, &sg_reply_hdr->sense_buffer[0], sense_len);
 428
 429     ASPI_PrintCDBArea(lpPRB);
 430     ASPI_PrintSenseArea(lpPRB);
 431   }
 432
 433   SRB_Status = SS_COMP;
 434   lpPRB->SRB_HaStat = HASTAT_OK;
 435   lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1;
 436
 437   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 438   HeapFree(GetProcessHeap(), 0, sg_hd);
 439
 440   /* FIXME: Should this be != 0 maybe? */
 441   if( lpPRB->SRB_TargStat == 2 ) {
 442     SRB_Status = SS_ERR;
 443     switch (lpPRB->CDBByte[0]) {
 444     case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 445     case 0xa3: /* SEND KEY (DVD) MMC-2 */
 446           SRB_Status = SS_COMP;
 447           lpPRB->SRB_TargStat = 0;
 448           FIXME("Program wants to do DVD Region switching, but fails (non compliant DVD drive). Ignoring....\n");
 449           break;
 450     }
 451   }
 452
 453   ASPI_DebugPrintResult(lpPRB);
 454   /* now do posting */
 455   ret = WNASPI32_DoPosting( lpPRB, SRB_Status );
 456
 457   switch (lpPRB->CDBByte[0]) {
 458   case CMD_INQUIRY:
 459       if (SRB_Status == SS_COMP)
 460           return SS_COMP; /* some junk expects ss_comp here. */
 461       /*FALLTHROUGH*/
 462   default:
 463       break;
 464   }
 465
 466   /* In real WNASPI32 stuff really is always pending because ASPI does things
 467      in the background, but we are not doing that (yet) */
 468
 469   return ret;
 470
 471 error_exit:
 472   SRB_Status = SS_ERR;
 473   if (error_code == EBUSY) {
 474       WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY );
 475       TRACE("Device busy\n");
 476   } else
 477       FIXME("Failed\n");
 478
 479   /* I'm not sure exactly error codes work here
 480    * We probably should set lpPRB->SRB_TargStat, SRB_HaStat ?
 481    */
 482   WARN("error_exit\n");
 483   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 484   HeapFree(GetProcessHeap(), 0, sg_hd);
 485   WNASPI32_DoPosting( lpPRB, SRB_Status );
 486   return SS_PENDING;
 487 }
 488
 489 #endif /* defined(linux) */
 490
 491
 492 /*******************************************************************
 493  *     GetASPI32SupportInfo             [WNASPI32.1]
 494  *
 495  * Checks if the ASPI subsystem is initialized correctly.
 496  *
 497  * RETURNS
 498  *    HIWORD: 0.
 499  *    HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT)
 500  *    LOBYTE of LOWORD: # of host adapters.
 501  */
 502 DWORD __cdecl GetASPI32SupportInfo(void)
 503 {
 504     DWORD controllers = ASPI_GetNumControllers();
 505
 506     if (!controllers)
 507         return SS_NO_ADAPTERS << 8;
 508     return (SS_COMP << 8) | controllers ;
 509 }
 510
 511 /***********************************************************************
 512  *             SendASPI32Command (WNASPI32.2)
 513  */
 514 DWORD __cdecl SendASPI32Command(LPSRB lpSRB)
 515 {
 516 #ifdef linux
 517   static const char szId[] = "ASPI for WIN32";
 518   static const char szWh[] = "Wine host";
 519   switch (lpSRB->common.SRB_Cmd) {
 520   case SC_HA_INQUIRY:
 521     lpSRB->inquiry.SRB_Status = SS_COMP;       /* completed successfully */
 522     lpSRB->inquiry.HA_Count = ASPI_GetNumControllers();
 523     lpSRB->inquiry.HA_SCSI_ID = 7;             /* not always ID 7 */
 524     memcpy(lpSRB->inquiry.HA_ManagerId, szId, sizeof szId); /* max 15 chars, don't change */
 525     memcpy(lpSRB->inquiry.HA_Identifier, szWh, sizeof szWh); /* FIXME: return host adapter name */
 526     memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */
 527     lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */
 528     lpSRB->inquiry.HA_Unique[3] = 0x08; /* Maximum number of SCSI targets */
 529     FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId);
 530     return SS_COMP;
 531
 532   case SC_GET_DEV_TYPE: {
 533     /* FIXME: We should return SS_NO_DEVICE if the device is not configured */
 534     /* FIXME: We should return SS_INVALID_HA if HostAdapter!=0 */
 535     SRB         tmpsrb;
 536     unsigned char inqbuf[200];
 537     DWORD       ret;
 538
 539     memset(&tmpsrb,0,sizeof(tmpsrb));
 540
 541     /* Copy header */
 542     tmpsrb.common = lpSRB->common;
 543
 544     tmpsrb.cmd.SRB_Flags        |= 8; /* target to host */
 545     tmpsrb.cmd.SRB_Cmd          = SC_EXEC_SCSI_CMD;
 546     tmpsrb.cmd.SRB_Target       = lpSRB->devtype.SRB_Target;
 547     tmpsrb.cmd.SRB_Lun          = lpSRB->devtype.SRB_Lun;
 548     tmpsrb.cmd.SRB_BufLen       = sizeof(inqbuf);
 549     tmpsrb.cmd.SRB_BufPointer   = inqbuf;
 550     tmpsrb.cmd.CDBByte[0]       = 0x12; /* INQUIRY  */
 551                                   /* FIXME: handle lun */
 552     tmpsrb.cmd.CDBByte[4]       = sizeof(inqbuf);
 553     tmpsrb.cmd.SRB_CDBLen       = 6;
 554
 555     ret = ASPI_ExecScsiCmd(&tmpsrb.cmd);
 556
 557     lpSRB->devtype.SRB_Status   = tmpsrb.cmd.SRB_Status;
 558     lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f;
 559
 560     TRACE("returning devicetype %d for target %d\n",inqbuf[0]&0x1f,tmpsrb.cmd.SRB_Target);
 561     if (ret!=SS_PENDING) /* Any error is passed down directly */
 562         return ret;
 563     /* FIXME: knows that the command is finished already, pass final Status */
 564     return tmpsrb.cmd.SRB_Status;
 565   }
 566   case SC_EXEC_SCSI_CMD:
 567     return ASPI_ExecScsiCmd(&lpSRB->cmd);
 568   case SC_ABORT_SRB:
 569     FIXME("Not implemented SC_ABORT_SRB\n");
 570     break;
 571   case SC_RESET_DEV:
 572     FIXME("Not implemented SC_RESET_DEV\n");
 573     break;
 574   case SC_GET_DISK_INFO:
 575     /* here we have to find out the int13 / bios association.
 576      * We just say we do not have any.
 577      */
 578     FIXME("SC_GET_DISK_INFO always return 'int13 unassociated disk'.\n");
 579     lpSRB->diskinfo.SRB_DriveFlags = 0; /* disk is not int13 served */
 580     return SS_COMP;
 581   default:
 582     FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
 583   }
 584   return SS_INVALID_SRB;
 585 #else
 586   return SS_INVALID_SRB;
 587 #endif
 588 }
 589
 590
 591 /***********************************************************************
 592  *             GetASPI32DLLVersion   (WNASPI32.4)
 593  */
 594 DWORD __cdecl GetASPI32DLLVersion(void)
 595 {
 596 #ifdef linux
 597         TRACE("Returning version 1\n");
 598         return 1;
 599 #else
 600         FIXME("Please add SCSI support for your operating system, returning 0\n");
 601         return 0;
 602 #endif
 603 }
 604
 605 /***********************************************************************
 606  *             GetASPI32Buffer   (WNASPI32.8)
 607  * Supposed to return a DMA capable large SCSI buffer.
 608  * Our implementation does not use those at all, all buffer stuff is
 609  * done in the kernel SG device layer. So we just heapalloc the buffer.
 610  */
 611 BOOL __cdecl GetASPI32Buffer(PASPI32BUFF pab)
 612 {
 613     pab->AB_BufPointer = HeapAlloc(GetProcessHeap(),
 614                 pab->AB_ZeroFill?HEAP_ZERO_MEMORY:0,
 615                 pab->AB_BufLen
 616     );
 617     if (!pab->AB_BufPointer) return FALSE;
 618     return TRUE;
 619 }
 620
 621 /***********************************************************************
 622  *             FreeASPI32Buffer   (WNASPI32.14)
 623  */
 624 BOOL __cdecl FreeASPI32Buffer(PASPI32BUFF pab)
 625 {
 626     HeapFree(GetProcessHeap(),0,pab->AB_BufPointer);
 627     return TRUE;
 628 }
 629
 630 /***********************************************************************
 631  *             TranslateASPI32Address   (WNASPI32.7)
 632  */
 633 BOOL __cdecl TranslateASPI32Address(LPDWORD pdwPath, LPDWORD pdwDEVNODE)
 634 {
 635     FIXME("(%p, %p), stub !\n", pdwPath, pdwDEVNODE);
 636     return TRUE;
 637 }