dlls/winaspi/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "config.h"
  21
  22 #include <assert.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <sys/types.h>
  26 #include <errno.h>
  27 #include <fcntl.h>
  28 #include <memory.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32
  33 #include "winbase.h"
  34 #include "aspi.h"
  35 #include "wnaspi32.h"
  36 #include "winescsi.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(aspi);
  40
  41 /* FIXME!
  42  * 1) Residual byte length reporting not handled
  43  * 2) Make this code re-entrant for multithreading
  44  *    -- Added CriticalSection to OpenDevices function
  45  * 3) Only linux supported so far
  46  * 4) Leaves sg devices open. This may or may not be okay.  A better solution
  47  *    would be to close the file descriptors when the thread/process using
  48  *    them no longer needs them.
  49  */
  50
  51 #ifdef linux
  52
  53 static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
  54 static CRITICAL_SECTION ASPI_CritSection = CRITICAL_SECTION_INIT("ASPI_CritSection");
  55
  56 #endif /* defined(linux) */
  57
  58
  59 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
  60 {
  61 #ifdef linux
  62         switch( fdwReason )
  63         {
  64         case DLL_PROCESS_ATTACH:
  65             SCSI_Init();
  66             break;
  67         case DLL_PROCESS_DETACH:
  68             DeleteCriticalSection( &ASPI_CritSection );
  69             break;
  70         case DLL_THREAD_ATTACH:
  71         case DLL_THREAD_DETACH:
  72                 break;
  73         }
  74 #endif /* defined(linux) */
  75         return TRUE;
  76 }
  77
  78
  79 #ifdef linux
  80
  81 static int
  82 ASPI_OpenDevice(SRB_ExecSCSICmd *prb)
  83 {
  84     int fd;
  85     DWORD       hc;
  86     ASPI_DEVICE_INFO *curr;
  87
  88     /* search list of devices to see if we've opened it already.
  89      * There is not an explicit open/close in ASPI land, so hopefully
  90      * keeping a device open won't be a problem.
  91      */
  92
  93     EnterCriticalSection(&ASPI_CritSection);
  94     for (curr = ASPI_open_devices; curr; curr = curr->next) {
  95         if (curr->hostId == prb->SRB_HaId &&
  96             curr->target == prb->SRB_Target &&
  97             curr->lun == prb->SRB_Lun) {
  98             LeaveCriticalSection(&ASPI_CritSection);
  99             return curr->fd;
 100         }
 101     }
 102     LeaveCriticalSection(&ASPI_CritSection);
 103
 104     if (prb->SRB_HaId > ASPI_GetNumControllers())
 105         return -1;
 106
 107     hc = ASPI_GetHCforController( prb->SRB_HaId );
 108     fd = SCSI_OpenDevice( HIWORD(hc), LOWORD(hc), prb->SRB_Target, prb->SRB_Lun);
 109
 110     if (fd == -1)
 111         return -1;
 112
 113     /* device is now open */
 114     /* FIXME: Let users specify SCSI timeout in registry */
 115     SCSI_LinuxSetTimeout( fd, SCSI_DEFAULT_TIMEOUT );
 116
 117     curr = HeapAlloc( GetProcessHeap(), 0, sizeof(ASPI_DEVICE_INFO) );
 118     curr->fd = fd;
 119     curr->hostId = prb->SRB_HaId;
 120     curr->target = prb->SRB_Target;
 121     curr->lun = prb->SRB_Lun;
 122
 123     /* insert new record at beginning of open device list */
 124     EnterCriticalSection(&ASPI_CritSection);
 125     curr->next = ASPI_open_devices;
 126     ASPI_open_devices = curr;
 127     LeaveCriticalSection(&ASPI_CritSection);
 128     return fd;
 129 }
 130
 131
 132 static void
 133 ASPI_DebugPrintCmd(SRB_ExecSCSICmd *prb)
 134 {
 135   BYTE  cmd;
 136   int   i;
 137   BYTE *cdb;
 138
 139   switch (prb->CDBByte[0]) {
 140   case CMD_INQUIRY:
 141     TRACE("INQUIRY {\n");
 142     TRACE("\tEVPD: %d\n", prb->CDBByte[1] & 1);
 143     TRACE("\tLUN: %d\n", (prb->CDBByte[1] & 0xc) >> 1);
 144     TRACE("\tPAGE CODE: %d\n", prb->CDBByte[2]);
 145     TRACE("\tALLOCATION LENGTH: %d\n", prb->CDBByte[4]);
 146     TRACE("\tCONTROL: %d\n", prb->CDBByte[5]);
 147     TRACE("}\n");
 148     break;
 149   case CMD_SCAN_SCAN:
 150     TRACE("Transfer Length: %d\n", prb->CDBByte[4]);
 151     break;
 152   }
 153
 154   TRACE("Host Adapter: %d\n", prb->SRB_HaId);
 155   TRACE("Flags: %d\n", prb->SRB_Flags);
 156   if (TARGET_TO_HOST(prb)) {
 157     TRACE("\tData transfer: Target to host. Length checked.\n");
 158   }
 159   else if (HOST_TO_TARGET(prb)) {
 160     TRACE("\tData transfer: Host to target. Length checked.\n");
 161   }
 162   else if (NO_DATA_TRANSFERED(prb)) {
 163     TRACE("\tData transfer: none\n");
 164   }
 165   else {
 166     WARN("\tTransfer by scsi cmd. Length not checked.\n");
 167   }
 168
 169   TRACE("\tResidual byte length reporting %s\n", prb->SRB_Flags & 0x4 ? "enabled" : "disabled");
 170   TRACE("\tLinking %s\n", prb->SRB_Flags & 0x2 ? "enabled" : "disabled");
 171   TRACE("\tPosting %s\n", prb->SRB_Flags & 0x1 ? "enabled" : "disabled");
 172   TRACE("Target: %d\n", prb->SRB_Target);
 173   TRACE("Lun: %d\n", prb->SRB_Lun);
 174   TRACE("BufLen: %ld\n", prb->SRB_BufLen);
 175   TRACE("SenseLen: %d\n", prb->SRB_SenseLen);
 176   TRACE("BufPtr: %p\n", prb->SRB_BufPointer);
 177   TRACE("CDB Length: %d\n", prb->SRB_CDBLen);
 178   TRACE("POST Proc: %lx\n", (DWORD) prb->SRB_PostProc);
 179   cdb = &prb->CDBByte[0];
 180   cmd = prb->CDBByte[0];
 181   if (TRACE_ON(aspi)) {
 182       TRACE("CDB buffer[");
 183       for (i = 0; i < prb->SRB_CDBLen; i++) {
 184           if (i != 0) TRACE(",");
 185           TRACE("%02x", *cdb++);
 186       }
 187       TRACE("]\n");
 188   }
 189 }
 190
 191 static void
 192 ASPI_PrintCDBArea(SRB_ExecSCSICmd *prb)
 193 {
 194     if (TRACE_ON(aspi))
 195     {
 196         int i;
 197         TRACE("CDB[");
 198         for (i = 0; i < prb->SRB_CDBLen; i++) {
 199             if (i) TRACE(",");
 200             TRACE("%02x", prb->CDBByte[i]);
 201         }
 202         TRACE("]\n");
 203     }
 204 }
 205
 206 static void
 207 ASPI_PrintSenseArea(SRB_ExecSCSICmd *prb)
 208 {
 209   int   i;
 210   BYTE  *rqbuf = prb->SenseArea;
 211
 212   if (TRACE_ON(aspi))
 213   {
 214       TRACE("Request Sense reports:\n");
 215       if ((rqbuf[0]&0x7f)!=0x70) {
 216               TRACE("\tInvalid sense header: 0x%02x instead of 0x70\n", rqbuf[0]&0x7f);
 217               return;
 218       }
 219       TRACE("\tCurrent command read filemark: %s\n",(rqbuf[2]&0x80)?"yes":"no");
 220       TRACE("\tEarly warning passed: %s\n",(rqbuf[2]&0x40)?"yes":"no");
 221       TRACE("\tIncorrect blocklength: %s\n",(rqbuf[2]&0x20)?"yes":"no");
 222       TRACE("\tSense Key: %d\n",rqbuf[2]&0xf);
 223       if (rqbuf[0]&0x80)
 224         TRACE("\tResidual Length: %d\n",rqbuf[3]*0x1000000+rqbuf[4]*0x10000+rqbuf[5]*0x100+rqbuf[6]);
 225       TRACE("\tAdditional Sense Length: %d\n",rqbuf[7]);
 226       TRACE("\tAdditional Sense Code: %d\n",rqbuf[12]);
 227       TRACE("\tAdditional Sense Code Qualifier: %d\n",rqbuf[13]);
 228       if (rqbuf[15]&0x80) {
 229         TRACE("\tIllegal Param is in %s\n",(rqbuf[15]&0x40)?"the CDB":"the Data Out Phase");
 230         if (rqbuf[15]&0x8) {
 231           TRACE("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7);
 232         }
 233       }
 234       TRACE("SenseArea[");
 235       for (i = 0; i < prb->SRB_SenseLen; i++) {
 236         if (i) TRACE(",");
 237         TRACE("%02x", *rqbuf++);
 238       }
 239       TRACE("]\n");
 240   }
 241 }
 242
 243 static void
 244 ASPI_DebugPrintResult(SRB_ExecSCSICmd *prb)
 245 {
 246
 247   TRACE("SRB_Status: %x\n", prb->SRB_Status);
 248   TRACE("SRB_HaStat: %x\n", prb->SRB_HaStat);
 249   TRACE("SRB_TargStat: %x\n", prb->SRB_TargStat);
 250   switch (prb->CDBByte[0]) {
 251   case CMD_INQUIRY:
 252     TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR);
 253     break;
 254   case CMD_TEST_UNIT_READY:
 255     ASPI_PrintSenseArea(prb);
 256     break;
 257   }
 258 }
 259
 260 /* Posting must be done in such a way that as soon as the SRB_Status is set
 261  * we don't touch the SRB anymore because it could possibly be freed
 262  * if the app is doing ASPI polling
 263  */
 264 static DWORD
 265 WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status )
 266 {
 267         void (*SRB_PostProc)() = lpPRB->SRB_PostProc;
 268         BYTE SRB_Flags = lpPRB->SRB_Flags;
 269         if( status == SS_PENDING )
 270         {
 271                 WARN("Tried posting SS_PENDING\n");
 272                 return SS_PENDING;
 273         }
 274         lpPRB->SRB_Status = status;
 275         /* lpPRB is NOT safe, it could be freed in another thread */
 276
 277         if (SRB_PostProc)
 278         {
 279                 if (SRB_Flags & 0x1)
 280                 {
 281                         TRACE("Post Routine (%lx) called\n", (DWORD) SRB_PostProc);
 282                         /* Even though lpPRB could have been freed by
 283                          * the program.. that's unlikely if it planned
 284                          * to use it in the PostProc
 285                          */
 286                         (*SRB_PostProc)(lpPRB);
 287                 }
 288                 else if (SRB_Flags & SRB_EVENT_NOTIFY) {
 289                         TRACE("Setting event %p\n", (HANDLE)SRB_PostProc);
 290                         SetEvent((HANDLE)SRB_PostProc);
 291                 }
 292         }
 293         return SS_PENDING;
 294 }
 295
 296 static WORD
 297 ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB)
 298 {
 299   struct sg_header *sg_hd, *sg_reply_hdr;
 300   WORD ret;
 301   DWORD status;
 302   int   in_len, out_len;
 303   int   error_code = 0;
 304   int   fd;
 305   DWORD SRB_Status;
 306
 307   /* FIXME: hackmode */
 308 #define MAKE_TARGET_TO_HOST(lpPRB) \
 309         if (!TARGET_TO_HOST(lpPRB)) { \
 310             WARN("program was not sending target_to_host for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 311             lpPRB->SRB_Flags |= 0x08; \
 312         }
 313 #define MAKE_HOST_TO_TARGET(lpPRB) \
 314         if (!HOST_TO_TARGET(lpPRB)) { \
 315             WARN("program was not sending host_to_target for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 316             lpPRB->SRB_Flags |= 0x10; \
 317         }
 318   switch (lpPRB->CDBByte[0]) {
 319   case 0x12: /* INQUIRY */
 320   case 0x5a: /* MODE_SENSE_10 */
 321   case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 322   case 0xad: /* READ DVD STRUCTURE MMC-2 */
 323         MAKE_TARGET_TO_HOST(lpPRB)
 324         break;
 325   case 0xa3: /* SEND KEY (DVD) MMC-2 */
 326         MAKE_HOST_TO_TARGET(lpPRB)
 327         break;
 328   default:
 329         if ((((lpPRB->SRB_Flags & 0x18) == 0x00) ||
 330              ((lpPRB->SRB_Flags & 0x18) == 0x18)
 331             ) && lpPRB->SRB_BufLen
 332         ) {
 333             FIXME("command 0x%02x, no data transfer specified, but buflen is %ld!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen);
 334         }
 335         break;
 336   }
 337   ASPI_DebugPrintCmd(lpPRB);
 338   if (lpPRB->SRB_HaId > ASPI_GetNumControllers()) {
 339       ERR("Failed: Wanted hostadapter %d, but we have only %d.\n",
 340           lpPRB->SRB_HaId,ASPI_GetNumControllers()
 341       );
 342       return WNASPI32_DoPosting( lpPRB, SS_INVALID_HA );
 343   }
 344   fd = ASPI_OpenDevice(lpPRB);
 345   if (fd == -1) {
 346       return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE );
 347   }
 348
 349   sg_hd = NULL;
 350   sg_reply_hdr = NULL;
 351
 352   lpPRB->SRB_Status = SS_PENDING;
 353
 354   if (!lpPRB->SRB_CDBLen) {
 355       ERR("Failed: lpPRB->SRB_CDBLen = 0.\n");
 356       return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB );
 357   }
 358
 359   /* build up sg_header + scsi cmd */
 360   if (HOST_TO_TARGET(lpPRB)) {
 361     /* send header, command, and then data */
 362     in_len = SCSI_OFF + lpPRB->SRB_CDBLen + lpPRB->SRB_BufLen;
 363     sg_hd = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, in_len);
 364     memset(sg_hd, 0, SCSI_OFF);
 365     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 366     if (lpPRB->SRB_BufLen) {
 367       memcpy(((BYTE *) sg_hd) + SCSI_OFF + lpPRB->SRB_CDBLen, lpPRB->SRB_BufPointer, lpPRB->SRB_BufLen);
 368     }
 369   }
 370   else {
 371     /* send header and command - no data */
 372     in_len = SCSI_OFF + lpPRB->SRB_CDBLen;
 373     sg_hd = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, in_len);
 374     memset(sg_hd, 0, SCSI_OFF);
 375     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 376   }
 377
 378   if (TARGET_TO_HOST(lpPRB)) {
 379     out_len = SCSI_OFF + lpPRB->SRB_BufLen;
 380     sg_reply_hdr = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, out_len);
 381     memset(sg_reply_hdr, 0, SCSI_OFF);
 382     sg_hd->reply_len = out_len;
 383   }
 384   else {
 385     out_len = SCSI_OFF;
 386     sg_reply_hdr = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, out_len);
 387     memset(sg_reply_hdr, 0, SCSI_OFF);
 388     sg_hd->reply_len = out_len;
 389   }
 390
 391   SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 392
 393   if(!SCSI_LinuxDeviceIo( fd,
 394                           sg_hd, in_len,
 395                           sg_reply_hdr, out_len,
 396                           &status) )
 397   {
 398     goto error_exit;
 399   }
 400
 401   if (sg_reply_hdr->result != 0) {
 402     error_code = sg_reply_hdr->result;
 403     WARN("reply header error (%d)\n", sg_reply_hdr->result);
 404     goto error_exit;
 405   }
 406
 407   if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) {
 408     memcpy(lpPRB->SRB_BufPointer, sg_reply_hdr + 1, lpPRB->SRB_BufLen);
 409   }
 410
 411   /* copy in sense buffer to amount that is available in client */
 412   if (lpPRB->SRB_SenseLen) {
 413     int sense_len = lpPRB->SRB_SenseLen;
 414     if (lpPRB->SRB_SenseLen > 16)
 415       sense_len = 16;
 416
 417     /* CDB is fixed in WNASPI32 */
 418     memcpy(lpPRB->SenseArea, &sg_reply_hdr->sense_buffer[0], sense_len);
 419
 420     ASPI_PrintCDBArea(lpPRB);
 421     ASPI_PrintSenseArea(lpPRB);
 422   }
 423
 424   SRB_Status = SS_COMP;
 425   lpPRB->SRB_HaStat = HASTAT_OK;
 426   lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1;
 427
 428   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 429   HeapFree(GetProcessHeap(), 0, sg_hd);
 430
 431   /* FIXME: Should this be != 0 maybe? */
 432   if( lpPRB->SRB_TargStat == 2 ) {
 433     SRB_Status = SS_ERR;
 434     switch (lpPRB->CDBByte[0]) {
 435     case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 436     case 0xa3: /* SEND KEY (DVD) MMC-2 */
 437           SRB_Status = SS_COMP;
 438           lpPRB->SRB_TargStat = 0;
 439           FIXME("Program wants to do DVD Region switching, but fails (non compliant DVD drive). Ignoring....\n");
 440           break;
 441     }
 442   }
 443
 444   ASPI_DebugPrintResult(lpPRB);
 445   /* now do posting */
 446   ret = WNASPI32_DoPosting( lpPRB, SRB_Status );
 447
 448   switch (lpPRB->CDBByte[0]) {
 449   case CMD_INQUIRY:
 450       if (SRB_Status == SS_COMP)
 451           return SS_COMP; /* some junk expects ss_comp here. */
 452       /*FALLTHROUGH*/
 453   default:
 454       break;
 455   }
 456
 457   /* In real WNASPI32 stuff really is always pending because ASPI does things
 458      in the background, but we are not doing that (yet) */
 459
 460   return ret;
 461
 462 error_exit:
 463   SRB_Status = SS_ERR;
 464   if (error_code == EBUSY) {
 465       WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY );
 466       TRACE("Device busy\n");
 467   } else
 468       FIXME("Failed\n");
 469
 470   /* I'm not sure exactly error codes work here
 471    * We probably should set lpPRB->SRB_TargStat, SRB_HaStat ?
 472    */
 473   WARN("error_exit\n");
 474   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 475   HeapFree(GetProcessHeap(), 0, sg_hd);
 476   WNASPI32_DoPosting( lpPRB, SRB_Status );
 477   return SS_PENDING;
 478 }
 479
 480 #endif /* defined(linux) */
 481
 482
 483 /*******************************************************************
 484  *     GetASPI32SupportInfo             [WNASPI32.1]
 485  *
 486  * Checks if the ASPI subsystem is initialized correctly.
 487  *
 488  * RETURNS
 489  *    HIWORD: 0.
 490  *    HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT)
 491  *    LOBYTE of LOWORD: # of host adapters.
 492  */
 493 DWORD __cdecl GetASPI32SupportInfo(void)
 494 {
 495     DWORD controllers = ASPI_GetNumControllers();
 496
 497     if (!controllers)
 498         return SS_NO_ADAPTERS << 8;
 499     return (SS_COMP << 8) | controllers ;
 500 }
 501
 502 /***********************************************************************
 503  *             SendASPI32Command (WNASPI32.2)
 504  */
 505 DWORD __cdecl SendASPI32Command(LPSRB lpSRB)
 506 {
 507 #ifdef linux
 508   switch (lpSRB->common.SRB_Cmd) {
 509   case SC_HA_INQUIRY:
 510     lpSRB->inquiry.SRB_Status = SS_COMP;       /* completed successfully */
 511     lpSRB->inquiry.HA_Count = ASPI_GetNumControllers();
 512     lpSRB->inquiry.HA_SCSI_ID = 7;             /* not always ID 7 */
 513     strcpy(lpSRB->inquiry.HA_ManagerId, "ASPI for WIN32"); /* max 15 chars, don't change */
 514     strcpy(lpSRB->inquiry.HA_Identifier, "Wine host"); /* FIXME: return host adapter name */
 515     memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */
 516     lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */
 517     lpSRB->inquiry.HA_Unique[3] = 0x08; /* Maximum number of SCSI targets */
 518     FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId);
 519     return SS_COMP;
 520
 521   case SC_GET_DEV_TYPE: {
 522     /* FIXME: We should return SS_NO_DEVICE if the device is not configured */
 523     /* FIXME: We should return SS_INVALID_HA if HostAdapter!=0 */
 524     SRB         tmpsrb;
 525     char        inqbuf[200];
 526     DWORD       ret;
 527
 528     memset(&tmpsrb,0,sizeof(tmpsrb));
 529
 530     /* Copy header */
 531     memcpy(&tmpsrb.common,&(lpSRB->common),sizeof(tmpsrb.common));
 532
 533     tmpsrb.cmd.SRB_Flags        |= 8; /* target to host */
 534     tmpsrb.cmd.SRB_Cmd          = SC_EXEC_SCSI_CMD;
 535     tmpsrb.cmd.SRB_Target       = lpSRB->devtype.SRB_Target;
 536     tmpsrb.cmd.SRB_Lun          = lpSRB->devtype.SRB_Lun;
 537     tmpsrb.cmd.SRB_BufLen       = sizeof(inqbuf);
 538     tmpsrb.cmd.SRB_BufPointer   = inqbuf;
 539     tmpsrb.cmd.CDBByte[0]       = 0x12; /* INQUIRY  */
 540                                   /* FIXME: handle lun */
 541     tmpsrb.cmd.CDBByte[4]       = sizeof(inqbuf);
 542     tmpsrb.cmd.SRB_CDBLen       = 6;
 543
 544     ret = ASPI_ExecScsiCmd(&tmpsrb.cmd);
 545
 546     lpSRB->devtype.SRB_Status   = tmpsrb.cmd.SRB_Status;
 547     lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f;
 548
 549     TRACE("returning devicetype %d for target %d\n",inqbuf[0]&0x1f,tmpsrb.cmd.SRB_Target);
 550     if (ret!=SS_PENDING) /* Any error is passed down directly */
 551         return ret;
 552     /* FIXME: knows that the command is finished already, pass final Status */
 553     return tmpsrb.cmd.SRB_Status;
 554   }
 555   case SC_EXEC_SCSI_CMD:
 556     return ASPI_ExecScsiCmd(&lpSRB->cmd);
 557   case SC_ABORT_SRB:
 558     FIXME("Not implemented SC_ABORT_SRB\n");
 559     break;
 560   case SC_RESET_DEV:
 561     FIXME("Not implemented SC_RESET_DEV\n");
 562     break;
 563   case SC_GET_DISK_INFO:
 564     /* here we have to find out the int13 / bios association.
 565      * We just say we do not have any.
 566      */
 567     FIXME("SC_GET_DISK_INFO always return 'int13 unassociated disk'.\n");
 568     lpSRB->diskinfo.SRB_DriveFlags = 0; /* disk is not int13 served */
 569     return SS_COMP;
 570   default:
 571     FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
 572   }
 573   return SS_INVALID_SRB;
 574 #else
 575   return SS_INVALID_SRB;
 576 #endif
 577 }
 578
 579
 580 /***********************************************************************
 581  *             GetASPI32DLLVersion   (WNASPI32.4)
 582  */
 583 DWORD __cdecl GetASPI32DLLVersion(void)
 584 {
 585 #ifdef linux
 586         TRACE("Returning version 1\n");
 587         return (DWORD)1;
 588 #else
 589         FIXME("Please add SCSI support for your operating system, returning 0\n");
 590         return (DWORD)0;
 591 #endif
 592 }
 593
 594 /***********************************************************************
 595  *             GetASPI32Buffer   (WNASPI32.8)
 596  * Supposed to return a DMA capable large SCSI buffer.
 597  * Our implementation does not use those at all, all buffer stuff is
 598  * done in the kernel SG device layer. So we just heapalloc the buffer.
 599  */
 600 BOOL __cdecl GetASPI32Buffer(PASPI32BUFF pab)
 601 {
 602     pab->AB_BufPointer = HeapAlloc(GetProcessHeap(),
 603                 pab->AB_ZeroFill?HEAP_ZERO_MEMORY:0,
 604                 pab->AB_BufLen
 605     );
 606     if (!pab->AB_BufPointer) return FALSE;
 607     return TRUE;
 608 }
 609
 610 /***********************************************************************
 611  *             FreeASPI32Buffer   (WNASPI32.14)
 612  */
 613 BOOL __cdecl FreeASPI32Buffer(PASPI32BUFF pab)
 614 {
 615     HeapFree(GetProcessHeap(),0,pab->AB_BufPointer);
 616     return TRUE;
 617 }
 618
 619 /***********************************************************************
 620  *             TranslateASPI32Address   (WNASPI32.7)
 621  */
 622 BOOL __cdecl TranslateASPI32Address(LPDWORD pdwPath, LPDWORD pdwDEVNODE)
 623 {
 624     FIXME("(%p, %p), stub !\n", pdwPath, pdwDEVNODE);
 625     return TRUE;
 626 }