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 #include <unistd.h>
  30
  31 #include "winbase.h"
  32 #include "aspi.h"
  33 #include "wnaspi32.h"
  34 #include "winescsi.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(aspi);
  38
  39 /* FIXME!
  40  * 1) Residual byte length reporting not handled
  41  * 2) Make this code re-entrant for multithreading
  42  *    -- Added CriticalSection to OpenDevices function
  43  * 3) Only linux supported so far
  44  * 4) Leaves sg devices open. This may or may not be okay.  A better solution
  45  *    would be to close the file descriptors when the thread/process using
  46  *    them no longer needs them.
  47  */
  48
  49 #ifdef linux
  50
  51 static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
  52 static CRITICAL_SECTION ASPI_CritSection = CRITICAL_SECTION_INIT("ASPI_CritSection");
  53
  54 #endif /* defined(linux) */
  55
  56
  57 BOOL WINAPI WNASPI32_LibMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
  58 {
  59 #ifdef linux
  60         switch( fdwReason )
  61         {
  62         case DLL_PROCESS_ATTACH:
  63             SCSI_Init();
  64             break;
  65         case DLL_PROCESS_DETACH:
  66             DeleteCriticalSection( &ASPI_CritSection );
  67             break;
  68         case DLL_THREAD_ATTACH:
  69         case DLL_THREAD_DETACH:
  70                 break;
  71         }
  72 #endif /* defined(linux) */
  73         return TRUE;
  74 }
  75
  76
  77 #ifdef linux
  78
  79 static int
  80 ASPI_OpenDevice(SRB_ExecSCSICmd *prb)
  81 {
  82     int fd;
  83     DWORD       hc;
  84     ASPI_DEVICE_INFO *curr;
  85
  86     /* search list of devices to see if we've opened it already.
  87      * There is not an explicit open/close in ASPI land, so hopefully
  88      * keeping a device open won't be a problem.
  89      */
  90
  91     EnterCriticalSection(&ASPI_CritSection);
  92     for (curr = ASPI_open_devices; curr; curr = curr->next) {
  93         if (curr->hostId == prb->SRB_HaId &&
  94             curr->target == prb->SRB_Target &&
  95             curr->lun == prb->SRB_Lun) {
  96             LeaveCriticalSection(&ASPI_CritSection);
  97             return curr->fd;
  98         }
  99     }
 100     LeaveCriticalSection(&ASPI_CritSection);
 101
 102     if (prb->SRB_HaId > ASPI_GetNumControllers())
 103         return -1;
 104
 105     hc = ASPI_GetHCforController( prb->SRB_HaId );
 106     fd = SCSI_OpenDevice( HIWORD(hc), LOWORD(hc), prb->SRB_Target, prb->SRB_Lun);
 107
 108     if (fd == -1)
 109         return -1;
 110
 111     /* device is now open */
 112     /* FIXME: Let users specify SCSI timeout in registry */
 113     SCSI_LinuxSetTimeout( fd, SCSI_DEFAULT_TIMEOUT );
 114
 115     curr = HeapAlloc( GetProcessHeap(), 0, sizeof(ASPI_DEVICE_INFO) );
 116     curr->fd = fd;
 117     curr->hostId = prb->SRB_HaId;
 118     curr->target = prb->SRB_Target;
 119     curr->lun = prb->SRB_Lun;
 120
 121     /* insert new record at beginning of open device list */
 122     EnterCriticalSection(&ASPI_CritSection);
 123     curr->next = ASPI_open_devices;
 124     ASPI_open_devices = curr;
 125     LeaveCriticalSection(&ASPI_CritSection);
 126     return fd;
 127 }
 128
 129
 130 static void
 131 ASPI_DebugPrintCmd(SRB_ExecSCSICmd *prb)
 132 {
 133   BYTE  cmd;
 134   int   i;
 135   BYTE *cdb;
 136
 137   switch (prb->CDBByte[0]) {
 138   case CMD_INQUIRY:
 139     TRACE("INQUIRY {\n");
 140     TRACE("\tEVPD: %d\n", prb->CDBByte[1] & 1);
 141     TRACE("\tLUN: %d\n", (prb->CDBByte[1] & 0xc) >> 1);
 142     TRACE("\tPAGE CODE: %d\n", prb->CDBByte[2]);
 143     TRACE("\tALLOCATION LENGTH: %d\n", prb->CDBByte[4]);
 144     TRACE("\tCONTROL: %d\n", prb->CDBByte[5]);
 145     TRACE("}\n");
 146     break;
 147   case CMD_SCAN_SCAN:
 148     TRACE("Transfer Length: %d\n", prb->CDBByte[4]);
 149     break;
 150   }
 151
 152   TRACE("Host Adapter: %d\n", prb->SRB_HaId);
 153   TRACE("Flags: %d\n", prb->SRB_Flags);
 154   if (TARGET_TO_HOST(prb)) {
 155     TRACE("\tData transfer: Target to host. Length checked.\n");
 156   }
 157   else if (HOST_TO_TARGET(prb)) {
 158     TRACE("\tData transfer: Host to target. Length checked.\n");
 159   }
 160   else if (NO_DATA_TRANSFERED(prb)) {
 161     TRACE("\tData transfer: none\n");
 162   }
 163   else {
 164     WARN("\tTransfer by scsi cmd. Length not checked.\n");
 165   }
 166
 167   TRACE("\tResidual byte length reporting %s\n", prb->SRB_Flags & 0x4 ? "enabled" : "disabled");
 168   TRACE("\tLinking %s\n", prb->SRB_Flags & 0x2 ? "enabled" : "disabled");
 169   TRACE("\tPosting %s\n", prb->SRB_Flags & 0x1 ? "enabled" : "disabled");
 170   TRACE("Target: %d\n", prb->SRB_Target);
 171   TRACE("Lun: %d\n", prb->SRB_Lun);
 172   TRACE("BufLen: %ld\n", prb->SRB_BufLen);
 173   TRACE("SenseLen: %d\n", prb->SRB_SenseLen);
 174   TRACE("BufPtr: %p\n", prb->SRB_BufPointer);
 175   TRACE("CDB Length: %d\n", prb->SRB_CDBLen);
 176   TRACE("POST Proc: %lx\n", (DWORD) prb->SRB_PostProc);
 177   cdb = &prb->CDBByte[0];
 178   cmd = prb->CDBByte[0];
 179   if (TRACE_ON(aspi)) {
 180       DPRINTF("CDB buffer[");
 181       for (i = 0; i < prb->SRB_CDBLen; i++) {
 182           if (i != 0) DPRINTF(",");
 183           DPRINTF("%02x", *cdb++);
 184       }
 185       DPRINTF("]\n");
 186   }
 187 }
 188
 189 static void
 190 ASPI_PrintCDBArea(SRB_ExecSCSICmd *prb)
 191 {
 192     if (TRACE_ON(aspi))
 193     {
 194         int i;
 195         DPRINTF("CDB[");
 196         for (i = 0; i < prb->SRB_CDBLen; i++) {
 197             if (i) DPRINTF(",");
 198             DPRINTF("%02x", prb->CDBByte[i]);
 199         }
 200         DPRINTF("]\n");
 201     }
 202 }
 203
 204 static void
 205 ASPI_PrintSenseArea(SRB_ExecSCSICmd *prb)
 206 {
 207   int   i;
 208   BYTE  *rqbuf = prb->SenseArea;
 209
 210   if (TRACE_ON(aspi))
 211   {
 212       DPRINTF("Request Sense reports:\n");
 213       if ((rqbuf[0]&0x7f)!=0x70) {
 214               DPRINTF("\tInvalid sense header: 0x%02x instead of 0x70\n", rqbuf[0]&0x7f);
 215               return;
 216       }
 217       DPRINTF("\tCurrent command read filemark: %s\n",(rqbuf[2]&0x80)?"yes":"no");
 218       DPRINTF("\tEarly warning passed: %s\n",(rqbuf[2]&0x40)?"yes":"no");
 219       DPRINTF("\tIncorrect blocklength: %s\n",(rqbuf[2]&0x20)?"yes":"no");
 220       DPRINTF("\tSense Key: %d\n",rqbuf[2]&0xf);
 221       if (rqbuf[0]&0x80)
 222         DPRINTF("\tResidual Length: %d\n",rqbuf[3]*0x1000000+rqbuf[4]*0x10000+rqbuf[5]*0x100+rqbuf[6]);
 223       DPRINTF("\tAdditional Sense Length: %d\n",rqbuf[7]);
 224       DPRINTF("\tAdditional Sense Code: %d\n",rqbuf[12]);
 225       DPRINTF("\tAdditional Sense Code Qualifier: %d\n",rqbuf[13]);
 226       if (rqbuf[15]&0x80) {
 227         DPRINTF("\tIllegal Param is in %s\n",(rqbuf[15]&0x40)?"the CDB":"the Data Out Phase");
 228         if (rqbuf[15]&0x8) {
 229           DPRINTF("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7);
 230         }
 231       }
 232       DPRINTF("SenseArea[");
 233       for (i = 0; i < prb->SRB_SenseLen; i++) {
 234         if (i) DPRINTF(",");
 235         DPRINTF("%02x", *rqbuf++);
 236       }
 237       DPRINTF("]\n");
 238   }
 239 }
 240
 241 static void
 242 ASPI_DebugPrintResult(SRB_ExecSCSICmd *prb)
 243 {
 244
 245   TRACE("SRB_Status: %x\n", prb->SRB_Status);
 246   TRACE("SRB_HaStat: %x\n", prb->SRB_HaStat);
 247   TRACE("SRB_TargStat: %x\n", prb->SRB_TargStat);
 248   switch (prb->CDBByte[0]) {
 249   case CMD_INQUIRY:
 250     TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR);
 251     break;
 252   case CMD_TEST_UNIT_READY:
 253     ASPI_PrintSenseArea(prb);
 254     break;
 255   }
 256 }
 257
 258 /* Posting must be done in such a way that as soon as the SRB_Status is set
 259  * we don't touch the SRB anymore because it could possibly be freed
 260  * if the app is doing ASPI polling
 261  */
 262 static DWORD
 263 WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status )
 264 {
 265         void (*SRB_PostProc)() = lpPRB->SRB_PostProc;
 266         BYTE SRB_Flags = lpPRB->SRB_Flags;
 267         if( status == SS_PENDING )
 268         {
 269                 WARN("Tried posting SS_PENDING\n");
 270                 return SS_PENDING;
 271         }
 272         lpPRB->SRB_Status = status;
 273         /* lpPRB is NOT safe, it could be freed in another thread */
 274
 275         if (SRB_PostProc)
 276         {
 277                 if (SRB_Flags & 0x1)
 278                 {
 279                         TRACE("Post Routine (%lx) called\n", (DWORD) SRB_PostProc);
 280                         /* Even though lpPRB could have been freed by
 281                          * the program.. that's unlikely if it planned
 282                          * to use it in the PostProc
 283                          */
 284                         (*SRB_PostProc)(lpPRB);
 285                 }
 286                 else if (SRB_Flags & SRB_EVENT_NOTIFY) {
 287                         TRACE("Setting event %04x\n", (HANDLE)SRB_PostProc);
 288                         SetEvent((HANDLE)SRB_PostProc);
 289                 }
 290         }
 291         return SS_PENDING;
 292 }
 293
 294 static WORD
 295 ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB)
 296 {
 297   struct sg_header *sg_hd, *sg_reply_hdr;
 298   WORD ret;
 299   DWORD status;
 300   int   in_len, out_len;
 301   int   error_code = 0;
 302   int   fd;
 303   DWORD SRB_Status;
 304
 305   /* FIXME: hackmode */
 306 #define MAKE_TARGET_TO_HOST(lpPRB) \
 307         if (!TARGET_TO_HOST(lpPRB)) { \
 308             WARN("program was not sending target_to_host for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 309             lpPRB->SRB_Flags |= 0x08; \
 310         }
 311 #define MAKE_HOST_TO_TARGET(lpPRB) \
 312         if (!HOST_TO_TARGET(lpPRB)) { \
 313             WARN("program was not sending host_to_target for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
 314             lpPRB->SRB_Flags |= 0x10; \
 315         }
 316   switch (lpPRB->CDBByte[0]) {
 317   case 0x12: /* INQUIRY */
 318   case 0x5a: /* MODE_SENSE_10 */
 319   case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 320   case 0xad: /* READ DVD STRUCTURE MMC-2 */
 321         MAKE_TARGET_TO_HOST(lpPRB)
 322         break;
 323   case 0xa3: /* SEND KEY (DVD) MMC-2 */
 324         MAKE_HOST_TO_TARGET(lpPRB)
 325         break;
 326   default:
 327         if ((((lpPRB->SRB_Flags & 0x18) == 0x00) ||
 328              ((lpPRB->SRB_Flags & 0x18) == 0x18)
 329             ) && lpPRB->SRB_BufLen
 330         ) {
 331             FIXME("command 0x%02x, no data transfer specified, but buflen is %ld!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen);
 332         }
 333         break;
 334   }
 335   ASPI_DebugPrintCmd(lpPRB);
 336   if (lpPRB->SRB_HaId > ASPI_GetNumControllers()) {
 337       ERR("Failed: Wanted hostadapter %d, but we have only %d.\n",
 338           lpPRB->SRB_HaId,ASPI_GetNumControllers()
 339       );
 340       return WNASPI32_DoPosting( lpPRB, SS_INVALID_HA );
 341   }
 342   fd = ASPI_OpenDevice(lpPRB);
 343   if (fd == -1) {
 344       return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE );
 345   }
 346
 347   sg_hd = NULL;
 348   sg_reply_hdr = NULL;
 349
 350   lpPRB->SRB_Status = SS_PENDING;
 351
 352   if (!lpPRB->SRB_CDBLen) {
 353       ERR("Failed: lpPRB->SRB_CDBLen = 0.\n");
 354       return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB );
 355   }
 356
 357   /* build up sg_header + scsi cmd */
 358   if (HOST_TO_TARGET(lpPRB)) {
 359     /* send header, command, and then data */
 360     in_len = SCSI_OFF + lpPRB->SRB_CDBLen + lpPRB->SRB_BufLen;
 361     sg_hd = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, in_len);
 362     memset(sg_hd, 0, SCSI_OFF);
 363     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 364     if (lpPRB->SRB_BufLen) {
 365       memcpy(((BYTE *) sg_hd) + SCSI_OFF + lpPRB->SRB_CDBLen, lpPRB->SRB_BufPointer, lpPRB->SRB_BufLen);
 366     }
 367   }
 368   else {
 369     /* send header and command - no data */
 370     in_len = SCSI_OFF + lpPRB->SRB_CDBLen;
 371     sg_hd = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, in_len);
 372     memset(sg_hd, 0, SCSI_OFF);
 373     memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 374   }
 375
 376   if (TARGET_TO_HOST(lpPRB)) {
 377     out_len = SCSI_OFF + lpPRB->SRB_BufLen;
 378     sg_reply_hdr = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, out_len);
 379     memset(sg_reply_hdr, 0, SCSI_OFF);
 380     sg_hd->reply_len = out_len;
 381   }
 382   else {
 383     out_len = SCSI_OFF;
 384     sg_reply_hdr = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, out_len);
 385     memset(sg_reply_hdr, 0, SCSI_OFF);
 386     sg_hd->reply_len = out_len;
 387   }
 388
 389   SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
 390
 391   if(!SCSI_LinuxDeviceIo( fd,
 392                           sg_hd, in_len,
 393                           sg_reply_hdr, out_len,
 394                           &status) )
 395   {
 396     goto error_exit;
 397   }
 398
 399   if (sg_reply_hdr->result != 0) {
 400     error_code = sg_reply_hdr->result;
 401     WARN("reply header error (%d)\n", sg_reply_hdr->result);
 402     goto error_exit;
 403   }
 404
 405   if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) {
 406     memcpy(lpPRB->SRB_BufPointer, sg_reply_hdr + 1, lpPRB->SRB_BufLen);
 407   }
 408
 409   /* copy in sense buffer to amount that is available in client */
 410   if (lpPRB->SRB_SenseLen) {
 411     int sense_len = lpPRB->SRB_SenseLen;
 412     if (lpPRB->SRB_SenseLen > 16)
 413       sense_len = 16;
 414
 415     /* CDB is fixed in WNASPI32 */
 416     memcpy(lpPRB->SenseArea, &sg_reply_hdr->sense_buffer[0], sense_len);
 417
 418     ASPI_PrintCDBArea(lpPRB);
 419     ASPI_PrintSenseArea(lpPRB);
 420   }
 421
 422   SRB_Status = SS_COMP;
 423   lpPRB->SRB_HaStat = HASTAT_OK;
 424   lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1;
 425
 426   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 427   HeapFree(GetProcessHeap(), 0, sg_hd);
 428
 429   /* FIXME: Should this be != 0 maybe? */
 430   if( lpPRB->SRB_TargStat == 2 ) {
 431     SRB_Status = SS_ERR;
 432     switch (lpPRB->CDBByte[0]) {
 433     case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
 434     case 0xa3: /* SEND KEY (DVD) MMC-2 */
 435           SRB_Status = SS_COMP;
 436           lpPRB->SRB_TargStat = 0;
 437           FIXME("Program wants to do DVD Region switching, but fails (non compliant DVD drive). Ignoring....\n");
 438           break;
 439     }
 440   }
 441
 442   ASPI_DebugPrintResult(lpPRB);
 443   /* now do posting */
 444   ret = WNASPI32_DoPosting( lpPRB, SRB_Status );
 445
 446   switch (lpPRB->CDBByte[0]) {
 447   case CMD_INQUIRY:
 448       if (SRB_Status == SS_COMP)
 449           return SS_COMP; /* some junk expects ss_comp here. */
 450       /*FALLTHROUGH*/
 451   default:
 452       break;
 453   }
 454
 455   /* In real WNASPI32 stuff really is always pending because ASPI does things
 456      in the background, but we are not doing that (yet) */
 457
 458   return ret;
 459
 460 error_exit:
 461   SRB_Status = SS_ERR;
 462   if (error_code == EBUSY) {
 463       WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY );
 464       TRACE("Device busy\n");
 465   } else
 466       FIXME("Failed\n");
 467
 468   /* I'm not sure exactly error codes work here
 469    * We probably should set lpPRB->SRB_TargStat, SRB_HaStat ?
 470    */
 471   WARN("error_exit\n");
 472   HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
 473   HeapFree(GetProcessHeap(), 0, sg_hd);
 474   WNASPI32_DoPosting( lpPRB, SRB_Status );
 475   return SS_PENDING;
 476 }
 477
 478 #endif /* defined(linux) */
 479
 480
 481 /*******************************************************************
 482  *     GetASPI32SupportInfo             [WNASPI32.1]
 483  *
 484  * Checks if the ASPI subsystem is initialized correctly.
 485  *
 486  * RETURNS
 487  *    HIWORD: 0.
 488  *    HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT)
 489  *    LOBYTE of LOWORD: # of host adapters.
 490  */
 491 DWORD __cdecl GetASPI32SupportInfo(void)
 492 {
 493     DWORD controllers = ASPI_GetNumControllers();
 494
 495     if (!controllers)
 496         return SS_NO_ADAPTERS << 8;
 497     return (SS_COMP << 8) | controllers ;
 498 }
 499
 500 /***********************************************************************
 501  *             SendASPI32Command (WNASPI32.2)
 502  */
 503 DWORD __cdecl SendASPI32Command(LPSRB lpSRB)
 504 {
 505 #ifdef linux
 506   switch (lpSRB->common.SRB_Cmd) {
 507   case SC_HA_INQUIRY:
 508     lpSRB->inquiry.SRB_Status = SS_COMP;       /* completed successfully */
 509     lpSRB->inquiry.HA_Count = ASPI_GetNumControllers();
 510     lpSRB->inquiry.HA_SCSI_ID = 7;             /* not always ID 7 */
 511     strcpy(lpSRB->inquiry.HA_ManagerId, "ASPI for WIN32"); /* max 15 chars, don't change */
 512     strcpy(lpSRB->inquiry.HA_Identifier, "Wine host"); /* FIXME: return host adapter name */
 513     memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */
 514     lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */
 515     lpSRB->inquiry.HA_Unique[3] = 0x08; /* Maximum number of SCSI targets */
 516     FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId);
 517     return SS_COMP;
 518
 519   case SC_GET_DEV_TYPE: {
 520     /* FIXME: We should return SS_NO_DEVICE if the device is not configured */
 521     /* FIXME: We should return SS_INVALID_HA if HostAdapter!=0 */
 522     SRB         tmpsrb;
 523     char        inqbuf[200];
 524     DWORD       ret;
 525
 526     memset(&tmpsrb,0,sizeof(tmpsrb));
 527
 528     /* Copy header */
 529     memcpy(&tmpsrb.common,&(lpSRB->common),sizeof(tmpsrb.common));
 530
 531     tmpsrb.cmd.SRB_Flags        |= 8; /* target to host */
 532     tmpsrb.cmd.SRB_Cmd          = SC_EXEC_SCSI_CMD;
 533     tmpsrb.cmd.SRB_Target       = lpSRB->devtype.SRB_Target;
 534     tmpsrb.cmd.SRB_Lun          = lpSRB->devtype.SRB_Lun;
 535     tmpsrb.cmd.SRB_BufLen       = sizeof(inqbuf);
 536     tmpsrb.cmd.SRB_BufPointer   = inqbuf;
 537     tmpsrb.cmd.CDBByte[0]       = 0x12; /* INQUIRY  */
 538                                   /* FIXME: handle lun */
 539     tmpsrb.cmd.CDBByte[4]       = sizeof(inqbuf);
 540     tmpsrb.cmd.SRB_CDBLen       = 6;
 541
 542     ret = ASPI_ExecScsiCmd(&tmpsrb.cmd);
 543
 544     lpSRB->devtype.SRB_Status   = tmpsrb.cmd.SRB_Status;
 545     lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f;
 546
 547     TRACE("returning devicetype %d for target %d\n",inqbuf[0]&0x1f,tmpsrb.cmd.SRB_Target);
 548     if (ret!=SS_PENDING) /* Any error is passed down directly */
 549         return ret;
 550     /* FIXME: knows that the command is finished already, pass final Status */
 551     return tmpsrb.cmd.SRB_Status;
 552   }
 553   case SC_EXEC_SCSI_CMD:
 554     return ASPI_ExecScsiCmd(&lpSRB->cmd);
 555   case SC_ABORT_SRB:
 556     FIXME("Not implemented SC_ABORT_SRB\n");
 557     break;
 558   case SC_RESET_DEV:
 559     FIXME("Not implemented SC_RESET_DEV\n");
 560     break;
 561   case SC_GET_DISK_INFO:
 562     /* here we have to find out the int13 / bios association.
 563      * We just say we do not have any.
 564      */
 565     FIXME("SC_GET_DISK_INFO always return 'int13 unassociated disk'.\n");
 566     lpSRB->diskinfo.SRB_DriveFlags = 0; /* disk is not int13 served */
 567     return SS_COMP;
 568   default:
 569     FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
 570   }
 571   return SS_INVALID_SRB;
 572 #else
 573   return SS_INVALID_SRB;
 574 #endif
 575 }
 576
 577
 578 /***********************************************************************
 579  *             GetASPI32DLLVersion   (WNASPI32.4)
 580  */
 581 DWORD __cdecl GetASPI32DLLVersion(void)
 582 {
 583 #ifdef linux
 584         TRACE("Returning version 1\n");
 585         return (DWORD)1;
 586 #else
 587         FIXME("Please add SCSI support for your operating system, returning 0\n");
 588         return (DWORD)0;
 589 #endif
 590 }
 591
 592 /***********************************************************************
 593  *             GetASPI32Buffer   (WNASPI32.8)
 594  * Supposed to return a DMA capable large SCSI buffer.
 595  * Our implementation does not use those at all, all buffer stuff is
 596  * done in the kernel SG device layer. So we just heapalloc the buffer.
 597  */
 598 BOOL __cdecl GetASPI32Buffer(PASPI32BUFF pab)
 599 {
 600     pab->AB_BufPointer = HeapAlloc(GetProcessHeap(),
 601                 pab->AB_ZeroFill?HEAP_ZERO_MEMORY:0,
 602                 pab->AB_BufLen
 603     );
 604     if (!pab->AB_BufPointer) return FALSE;
 605     return TRUE;
 606 }
 607
 608 /***********************************************************************
 609  *             FreeASPI32Buffer   (WNASPI32.14)
 610  */
 611 BOOL __cdecl FreeASPI32Buffer(PASPI32BUFF pab)
 612 {
 613     HeapFree(GetProcessHeap(),0,pab->AB_BufPointer);
 614     return TRUE;
 615 }
 616
 617 /***********************************************************************
 618  *             TranslateASPI32Address   (WNASPI32.7)
 619  */
 620 BOOL __cdecl TranslateASPI32Address(LPDWORD pdwPath, LPDWORD pdwDEVNODE)
 621 {
 622     FIXME("(%p, %p), stub !\n", pdwPath, pdwDEVNODE);
 623     return TRUE;
 624 }