2 * Copyright 1997 Bruce Milner
3 * Copyright 1998 Andreas Mohr
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.
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.
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
25 #include <sys/types.h>
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(aspi);
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.
53 static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
54 static CRITICAL_SECTION ASPI_CritSection = CRITICAL_SECTION_INIT("ASPI_CritSection");
56 #endif /* defined(linux) */
59 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
64 case DLL_PROCESS_ATTACH:
67 case DLL_PROCESS_DETACH:
68 DeleteCriticalSection( &ASPI_CritSection );
70 case DLL_THREAD_ATTACH:
71 case DLL_THREAD_DETACH:
74 #endif /* defined(linux) */
82 ASPI_OpenDevice(SRB_ExecSCSICmd *prb)
86 ASPI_DEVICE_INFO *curr;
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.
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);
102 LeaveCriticalSection(&ASPI_CritSection);
104 if (prb->SRB_HaId > ASPI_GetNumControllers())
107 hc = ASPI_GetHCforController( prb->SRB_HaId );
108 fd = SCSI_OpenDevice( HIWORD(hc), LOWORD(hc), prb->SRB_Target, prb->SRB_Lun);
113 /* device is now open */
114 /* FIXME: Let users specify SCSI timeout in registry */
115 SCSI_LinuxSetTimeout( fd, SCSI_DEFAULT_TIMEOUT );
117 curr = HeapAlloc( GetProcessHeap(), 0, sizeof(ASPI_DEVICE_INFO) );
119 curr->hostId = prb->SRB_HaId;
120 curr->target = prb->SRB_Target;
121 curr->lun = prb->SRB_Lun;
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);
133 ASPI_DebugPrintCmd(SRB_ExecSCSICmd *prb)
139 switch (prb->CDBByte[0]) {
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]);
150 TRACE("Transfer Length: %d\n", prb->CDBByte[4]);
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");
159 else if (HOST_TO_TARGET(prb)) {
160 TRACE("\tData transfer: Host to target. Length checked.\n");
162 else if (NO_DATA_TRANSFERED(prb)) {
163 TRACE("\tData transfer: none\n");
166 WARN("\tTransfer by scsi cmd. Length not checked.\n");
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++);
192 ASPI_PrintCDBArea(SRB_ExecSCSICmd *prb)
198 for (i = 0; i < prb->SRB_CDBLen; i++) {
200 TRACE("%02x", prb->CDBByte[i]);
207 ASPI_PrintSenseArea(SRB_ExecSCSICmd *prb)
210 BYTE *rqbuf = prb->SenseArea;
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);
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);
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");
231 TRACE("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7);
235 for (i = 0; i < prb->SRB_SenseLen; i++) {
237 TRACE("%02x", *rqbuf++);
244 ASPI_DebugPrintResult(SRB_ExecSCSICmd *prb)
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]) {
252 TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR);
254 case CMD_TEST_UNIT_READY:
255 ASPI_PrintSenseArea(prb);
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
265 WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status )
267 void (*SRB_PostProc)() = lpPRB->SRB_PostProc;
268 BYTE SRB_Flags = lpPRB->SRB_Flags;
269 if( status == SS_PENDING )
271 WARN("Tried posting SS_PENDING\n");
274 lpPRB->SRB_Status = status;
275 /* lpPRB is NOT safe, it could be freed in another thread */
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
286 (*SRB_PostProc)(lpPRB);
288 else if (SRB_Flags & SRB_EVENT_NOTIFY) {
289 TRACE("Setting event %p\n", (HANDLE)SRB_PostProc);
290 SetEvent((HANDLE)SRB_PostProc);
297 ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB)
299 struct sg_header *sg_hd, *sg_reply_hdr;
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; \
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; \
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)
325 case 0xa3: /* SEND KEY (DVD) MMC-2 */
326 MAKE_HOST_TO_TARGET(lpPRB)
329 if ((((lpPRB->SRB_Flags & 0x18) == 0x00) ||
330 ((lpPRB->SRB_Flags & 0x18) == 0x18)
331 ) && lpPRB->SRB_BufLen
333 FIXME("command 0x%02x, no data transfer specified, but buflen is %ld!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen);
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()
342 return WNASPI32_DoPosting( lpPRB, SS_INVALID_HA );
344 fd = ASPI_OpenDevice(lpPRB);
346 return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE );
352 lpPRB->SRB_Status = SS_PENDING;
354 if (!lpPRB->SRB_CDBLen) {
355 ERR("Failed: lpPRB->SRB_CDBLen = 0.\n");
356 return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB );
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);
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);
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;
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;
391 SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
393 if(!SCSI_LinuxDeviceIo( fd,
395 sg_reply_hdr, out_len,
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);
407 if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) {
408 memcpy(lpPRB->SRB_BufPointer, sg_reply_hdr + 1, lpPRB->SRB_BufLen);
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)
417 /* CDB is fixed in WNASPI32 */
418 memcpy(lpPRB->SenseArea, &sg_reply_hdr->sense_buffer[0], sense_len);
420 ASPI_PrintCDBArea(lpPRB);
421 ASPI_PrintSenseArea(lpPRB);
424 SRB_Status = SS_COMP;
425 lpPRB->SRB_HaStat = HASTAT_OK;
426 lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1;
428 HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
429 HeapFree(GetProcessHeap(), 0, sg_hd);
431 /* FIXME: Should this be != 0 maybe? */
432 if( lpPRB->SRB_TargStat == 2 ) {
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");
444 ASPI_DebugPrintResult(lpPRB);
446 ret = WNASPI32_DoPosting( lpPRB, SRB_Status );
448 switch (lpPRB->CDBByte[0]) {
450 if (SRB_Status == SS_COMP)
451 return SS_COMP; /* some junk expects ss_comp here. */
457 /* In real WNASPI32 stuff really is always pending because ASPI does things
458 in the background, but we are not doing that (yet) */
464 if (error_code == EBUSY) {
465 WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY );
466 TRACE("Device busy\n");
470 /* I'm not sure exactly error codes work here
471 * We probably should set lpPRB->SRB_TargStat, SRB_HaStat ?
473 WARN("error_exit\n");
474 HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
475 HeapFree(GetProcessHeap(), 0, sg_hd);
476 WNASPI32_DoPosting( lpPRB, SRB_Status );
480 #endif /* defined(linux) */
483 /*******************************************************************
484 * GetASPI32SupportInfo [WNASPI32.1]
486 * Checks if the ASPI subsystem is initialized correctly.
490 * HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT)
491 * LOBYTE of LOWORD: # of host adapters.
493 DWORD __cdecl GetASPI32SupportInfo(void)
495 DWORD controllers = ASPI_GetNumControllers();
498 return SS_NO_ADAPTERS << 8;
499 return (SS_COMP << 8) | controllers ;
502 /***********************************************************************
503 * SendASPI32Command (WNASPI32.2)
505 DWORD __cdecl SendASPI32Command(LPSRB lpSRB)
508 switch (lpSRB->common.SRB_Cmd) {
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);
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 */
528 memset(&tmpsrb,0,sizeof(tmpsrb));
531 memcpy(&tmpsrb.common,&(lpSRB->common),sizeof(tmpsrb.common));
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;
544 ret = ASPI_ExecScsiCmd(&tmpsrb.cmd);
546 lpSRB->devtype.SRB_Status = tmpsrb.cmd.SRB_Status;
547 lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f;
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 */
552 /* FIXME: knows that the command is finished already, pass final Status */
553 return tmpsrb.cmd.SRB_Status;
555 case SC_EXEC_SCSI_CMD:
556 return ASPI_ExecScsiCmd(&lpSRB->cmd);
558 FIXME("Not implemented SC_ABORT_SRB\n");
561 FIXME("Not implemented SC_RESET_DEV\n");
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.
567 FIXME("SC_GET_DISK_INFO always return 'int13 unassociated disk'.\n");
568 lpSRB->diskinfo.SRB_DriveFlags = 0; /* disk is not int13 served */
571 FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
573 return SS_INVALID_SRB;
575 return SS_INVALID_SRB;
580 /***********************************************************************
581 * GetASPI32DLLVersion (WNASPI32.4)
583 DWORD __cdecl GetASPI32DLLVersion(void)
586 TRACE("Returning version 1\n");
589 FIXME("Please add SCSI support for your operating system, returning 0\n");
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.
600 BOOL __cdecl GetASPI32Buffer(PASPI32BUFF pab)
602 pab->AB_BufPointer = HeapAlloc(GetProcessHeap(),
603 pab->AB_ZeroFill?HEAP_ZERO_MEMORY:0,
606 if (!pab->AB_BufPointer) return FALSE;
610 /***********************************************************************
611 * FreeASPI32Buffer (WNASPI32.14)
613 BOOL __cdecl FreeASPI32Buffer(PASPI32BUFF pab)
615 HeapFree(GetProcessHeap(),0,pab->AB_BufPointer);
619 /***********************************************************************
620 * TranslateASPI32Address (WNASPI32.7)
622 BOOL __cdecl TranslateASPI32Address(LPDWORD pdwPath, LPDWORD pdwDEVNODE)
624 FIXME("(%p, %p), stub !\n", pdwPath, pdwDEVNODE);