/* * Copyright 1997 Bruce Milner * Copyright 1998 Andreas Mohr * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include #include #include #include #include #include #include #include #include "winbase.h" #include "aspi.h" #include "wnaspi32.h" #include "winescsi.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(aspi); /* FIXME! * 1) Residual byte length reporting not handled * 2) Make this code re-entrant for multithreading * -- Added CriticalSection to OpenDevices function * 3) Only linux supported so far * 4) Leaves sg devices open. This may or may not be okay. A better solution * would be to close the file descriptors when the thread/process using * them no longer needs them. */ #ifdef linux static ASPI_DEVICE_INFO *ASPI_open_devices = NULL; static CRITICAL_SECTION ASPI_CritSection = CRITICAL_SECTION_INIT("ASPI_CritSection"); #endif /* defined(linux) */ BOOL WINAPI WNASPI32_LibMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad) { #ifdef linux switch( fdwReason ) { case DLL_PROCESS_ATTACH: SCSI_Init(); break; case DLL_PROCESS_DETACH: DeleteCriticalSection( &ASPI_CritSection ); break; case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: break; } #endif /* defined(linux) */ return TRUE; } #ifdef linux static int ASPI_OpenDevice(SRB_ExecSCSICmd *prb) { int fd; DWORD hc; ASPI_DEVICE_INFO *curr; /* search list of devices to see if we've opened it already. * There is not an explicit open/close in ASPI land, so hopefully * keeping a device open won't be a problem. */ EnterCriticalSection(&ASPI_CritSection); for (curr = ASPI_open_devices; curr; curr = curr->next) { if (curr->hostId == prb->SRB_HaId && curr->target == prb->SRB_Target && curr->lun == prb->SRB_Lun) { LeaveCriticalSection(&ASPI_CritSection); return curr->fd; } } LeaveCriticalSection(&ASPI_CritSection); if (prb->SRB_HaId > ASPI_GetNumControllers()) return -1; hc = ASPI_GetHCforController( prb->SRB_HaId ); fd = SCSI_OpenDevice( HIWORD(hc), LOWORD(hc), prb->SRB_Target, prb->SRB_Lun); if (fd == -1) return -1; /* device is now open */ /* FIXME: Let users specify SCSI timeout in registry */ SCSI_LinuxSetTimeout( fd, SCSI_DEFAULT_TIMEOUT ); curr = HeapAlloc( GetProcessHeap(), 0, sizeof(ASPI_DEVICE_INFO) ); curr->fd = fd; curr->hostId = prb->SRB_HaId; curr->target = prb->SRB_Target; curr->lun = prb->SRB_Lun; /* insert new record at beginning of open device list */ EnterCriticalSection(&ASPI_CritSection); curr->next = ASPI_open_devices; ASPI_open_devices = curr; LeaveCriticalSection(&ASPI_CritSection); return fd; } static void ASPI_DebugPrintCmd(SRB_ExecSCSICmd *prb) { BYTE cmd; int i; BYTE *cdb; switch (prb->CDBByte[0]) { case CMD_INQUIRY: TRACE("INQUIRY {\n"); TRACE("\tEVPD: %d\n", prb->CDBByte[1] & 1); TRACE("\tLUN: %d\n", (prb->CDBByte[1] & 0xc) >> 1); TRACE("\tPAGE CODE: %d\n", prb->CDBByte[2]); TRACE("\tALLOCATION LENGTH: %d\n", prb->CDBByte[4]); TRACE("\tCONTROL: %d\n", prb->CDBByte[5]); TRACE("}\n"); break; case CMD_SCAN_SCAN: TRACE("Transfer Length: %d\n", prb->CDBByte[4]); break; } TRACE("Host Adapter: %d\n", prb->SRB_HaId); TRACE("Flags: %d\n", prb->SRB_Flags); if (TARGET_TO_HOST(prb)) { TRACE("\tData transfer: Target to host. Length checked.\n"); } else if (HOST_TO_TARGET(prb)) { TRACE("\tData transfer: Host to target. Length checked.\n"); } else if (NO_DATA_TRANSFERED(prb)) { TRACE("\tData transfer: none\n"); } else { WARN("\tTransfer by scsi cmd. Length not checked.\n"); } TRACE("\tResidual byte length reporting %s\n", prb->SRB_Flags & 0x4 ? "enabled" : "disabled"); TRACE("\tLinking %s\n", prb->SRB_Flags & 0x2 ? "enabled" : "disabled"); TRACE("\tPosting %s\n", prb->SRB_Flags & 0x1 ? "enabled" : "disabled"); TRACE("Target: %d\n", prb->SRB_Target); TRACE("Lun: %d\n", prb->SRB_Lun); TRACE("BufLen: %ld\n", prb->SRB_BufLen); TRACE("SenseLen: %d\n", prb->SRB_SenseLen); TRACE("BufPtr: %p\n", prb->SRB_BufPointer); TRACE("CDB Length: %d\n", prb->SRB_CDBLen); TRACE("POST Proc: %lx\n", (DWORD) prb->SRB_PostProc); cdb = &prb->CDBByte[0]; cmd = prb->CDBByte[0]; if (TRACE_ON(aspi)) { DPRINTF("CDB buffer["); for (i = 0; i < prb->SRB_CDBLen; i++) { if (i != 0) DPRINTF(","); DPRINTF("%02x", *cdb++); } DPRINTF("]\n"); } } static void ASPI_PrintCDBArea(SRB_ExecSCSICmd *prb) { if (TRACE_ON(aspi)) { int i; DPRINTF("CDB["); for (i = 0; i < prb->SRB_CDBLen; i++) { if (i) DPRINTF(","); DPRINTF("%02x", prb->CDBByte[i]); } DPRINTF("]\n"); } } static void ASPI_PrintSenseArea(SRB_ExecSCSICmd *prb) { int i; BYTE *rqbuf = prb->SenseArea; if (TRACE_ON(aspi)) { DPRINTF("Request Sense reports:\n"); if ((rqbuf[0]&0x7f)!=0x70) { DPRINTF("\tInvalid sense header: 0x%02x instead of 0x70\n", rqbuf[0]&0x7f); return; } DPRINTF("\tCurrent command read filemark: %s\n",(rqbuf[2]&0x80)?"yes":"no"); DPRINTF("\tEarly warning passed: %s\n",(rqbuf[2]&0x40)?"yes":"no"); DPRINTF("\tIncorrect blocklength: %s\n",(rqbuf[2]&0x20)?"yes":"no"); DPRINTF("\tSense Key: %d\n",rqbuf[2]&0xf); if (rqbuf[0]&0x80) DPRINTF("\tResidual Length: %d\n",rqbuf[3]*0x1000000+rqbuf[4]*0x10000+rqbuf[5]*0x100+rqbuf[6]); DPRINTF("\tAdditional Sense Length: %d\n",rqbuf[7]); DPRINTF("\tAdditional Sense Code: %d\n",rqbuf[12]); DPRINTF("\tAdditional Sense Code Qualifier: %d\n",rqbuf[13]); if (rqbuf[15]&0x80) { DPRINTF("\tIllegal Param is in %s\n",(rqbuf[15]&0x40)?"the CDB":"the Data Out Phase"); if (rqbuf[15]&0x8) { DPRINTF("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7); } } DPRINTF("SenseArea["); for (i = 0; i < prb->SRB_SenseLen; i++) { if (i) DPRINTF(","); DPRINTF("%02x", *rqbuf++); } DPRINTF("]\n"); } } static void ASPI_DebugPrintResult(SRB_ExecSCSICmd *prb) { TRACE("SRB_Status: %x\n", prb->SRB_Status); TRACE("SRB_HaStat: %x\n", prb->SRB_HaStat); TRACE("SRB_TargStat: %x\n", prb->SRB_TargStat); switch (prb->CDBByte[0]) { case CMD_INQUIRY: TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR); break; case CMD_TEST_UNIT_READY: ASPI_PrintSenseArea(prb); break; } } /* Posting must be done in such a way that as soon as the SRB_Status is set * we don't touch the SRB anymore because it could possibly be freed * if the app is doing ASPI polling */ static DWORD WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status ) { void (*SRB_PostProc)() = lpPRB->SRB_PostProc; BYTE SRB_Flags = lpPRB->SRB_Flags; if( status == SS_PENDING ) { WARN("Tried posting SS_PENDING\n"); return SS_PENDING; } lpPRB->SRB_Status = status; /* lpPRB is NOT safe, it could be freed in another thread */ if (SRB_PostProc) { if (SRB_Flags & 0x1) { TRACE("Post Routine (%lx) called\n", (DWORD) SRB_PostProc); /* Even though lpPRB could have been freed by * the program.. that's unlikely if it planned * to use it in the PostProc */ (*SRB_PostProc)(lpPRB); } else if (SRB_Flags & SRB_EVENT_NOTIFY) { TRACE("Setting event %04x\n", (HANDLE)SRB_PostProc); SetEvent((HANDLE)SRB_PostProc); } } return SS_PENDING; } static WORD ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB) { struct sg_header *sg_hd, *sg_reply_hdr; WORD ret; DWORD status; int in_len, out_len; int error_code = 0; int fd; DWORD SRB_Status; /* FIXME: hackmode */ #define MAKE_TARGET_TO_HOST(lpPRB) \ if (!TARGET_TO_HOST(lpPRB)) { \ WARN("program was not sending target_to_host for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \ lpPRB->SRB_Flags |= 0x08; \ } #define MAKE_HOST_TO_TARGET(lpPRB) \ if (!HOST_TO_TARGET(lpPRB)) { \ WARN("program was not sending host_to_target for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \ lpPRB->SRB_Flags |= 0x10; \ } switch (lpPRB->CDBByte[0]) { case 0x12: /* INQUIRY */ case 0x5a: /* MODE_SENSE_10 */ case 0xa4: /* REPORT_KEY (DVD) MMC-2 */ case 0xad: /* READ DVD STRUCTURE MMC-2 */ MAKE_TARGET_TO_HOST(lpPRB) break; case 0xa3: /* SEND KEY (DVD) MMC-2 */ MAKE_HOST_TO_TARGET(lpPRB) break; default: if ((((lpPRB->SRB_Flags & 0x18) == 0x00) || ((lpPRB->SRB_Flags & 0x18) == 0x18) ) && lpPRB->SRB_BufLen ) { FIXME("command 0x%02x, no data transfer specified, but buflen is %ld!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen); } break; } ASPI_DebugPrintCmd(lpPRB); if (lpPRB->SRB_HaId > ASPI_GetNumControllers()) { ERR("Failed: Wanted hostadapter %d, but we have only %d.\n", lpPRB->SRB_HaId,ASPI_GetNumControllers() ); return WNASPI32_DoPosting( lpPRB, SS_INVALID_HA ); } fd = ASPI_OpenDevice(lpPRB); if (fd == -1) { return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE ); } sg_hd = NULL; sg_reply_hdr = NULL; lpPRB->SRB_Status = SS_PENDING; if (!lpPRB->SRB_CDBLen) { ERR("Failed: lpPRB->SRB_CDBLen = 0.\n"); return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB ); } /* build up sg_header + scsi cmd */ if (HOST_TO_TARGET(lpPRB)) { /* send header, command, and then data */ in_len = SCSI_OFF + lpPRB->SRB_CDBLen + lpPRB->SRB_BufLen; sg_hd = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, in_len); memset(sg_hd, 0, SCSI_OFF); memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen); if (lpPRB->SRB_BufLen) { memcpy(((BYTE *) sg_hd) + SCSI_OFF + lpPRB->SRB_CDBLen, lpPRB->SRB_BufPointer, lpPRB->SRB_BufLen); } } else { /* send header and command - no data */ in_len = SCSI_OFF + lpPRB->SRB_CDBLen; sg_hd = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, in_len); memset(sg_hd, 0, SCSI_OFF); memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen); } if (TARGET_TO_HOST(lpPRB)) { out_len = SCSI_OFF + lpPRB->SRB_BufLen; sg_reply_hdr = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, out_len); memset(sg_reply_hdr, 0, SCSI_OFF); sg_hd->reply_len = out_len; } else { out_len = SCSI_OFF; sg_reply_hdr = (struct sg_header *) HeapAlloc(GetProcessHeap(), 0, out_len); memset(sg_reply_hdr, 0, SCSI_OFF); sg_hd->reply_len = out_len; } SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen); if(!SCSI_LinuxDeviceIo( fd, sg_hd, in_len, sg_reply_hdr, out_len, &status) ) { goto error_exit; } if (sg_reply_hdr->result != 0) { error_code = sg_reply_hdr->result; WARN("reply header error (%d)\n", sg_reply_hdr->result); goto error_exit; } if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) { memcpy(lpPRB->SRB_BufPointer, sg_reply_hdr + 1, lpPRB->SRB_BufLen); } /* copy in sense buffer to amount that is available in client */ if (lpPRB->SRB_SenseLen) { int sense_len = lpPRB->SRB_SenseLen; if (lpPRB->SRB_SenseLen > 16) sense_len = 16; /* CDB is fixed in WNASPI32 */ memcpy(lpPRB->SenseArea, &sg_reply_hdr->sense_buffer[0], sense_len); ASPI_PrintCDBArea(lpPRB); ASPI_PrintSenseArea(lpPRB); } SRB_Status = SS_COMP; lpPRB->SRB_HaStat = HASTAT_OK; lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1; HeapFree(GetProcessHeap(), 0, sg_reply_hdr); HeapFree(GetProcessHeap(), 0, sg_hd); /* FIXME: Should this be != 0 maybe? */ if( lpPRB->SRB_TargStat == 2 ) { SRB_Status = SS_ERR; switch (lpPRB->CDBByte[0]) { case 0xa4: /* REPORT_KEY (DVD) MMC-2 */ case 0xa3: /* SEND KEY (DVD) MMC-2 */ SRB_Status = SS_COMP; lpPRB->SRB_TargStat = 0; FIXME("Program wants to do DVD Region switching, but fails (non compliant DVD drive). Ignoring....\n"); break; } } ASPI_DebugPrintResult(lpPRB); /* now do posting */ ret = WNASPI32_DoPosting( lpPRB, SRB_Status ); switch (lpPRB->CDBByte[0]) { case CMD_INQUIRY: if (SRB_Status == SS_COMP) return SS_COMP; /* some junk expects ss_comp here. */ /*FALLTHROUGH*/ default: break; } /* In real WNASPI32 stuff really is always pending because ASPI does things in the background, but we are not doing that (yet) */ return ret; error_exit: SRB_Status = SS_ERR; if (error_code == EBUSY) { WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY ); TRACE("Device busy\n"); } else FIXME("Failed\n"); /* I'm not sure exactly error codes work here * We probably should set lpPRB->SRB_TargStat, SRB_HaStat ? */ WARN("error_exit\n"); HeapFree(GetProcessHeap(), 0, sg_reply_hdr); HeapFree(GetProcessHeap(), 0, sg_hd); WNASPI32_DoPosting( lpPRB, SRB_Status ); return SS_PENDING; } #endif /* defined(linux) */ /******************************************************************* * GetASPI32SupportInfo [WNASPI32.1] * * Checks if the ASPI subsystem is initialized correctly. * * RETURNS * HIWORD: 0. * HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT) * LOBYTE of LOWORD: # of host adapters. */ DWORD __cdecl GetASPI32SupportInfo(void) { DWORD controllers = ASPI_GetNumControllers(); if (!controllers) return SS_NO_ADAPTERS << 8; return (SS_COMP << 8) | controllers ; } /*********************************************************************** * SendASPI32Command (WNASPI32.2) */ DWORD __cdecl SendASPI32Command(LPSRB lpSRB) { #ifdef linux switch (lpSRB->common.SRB_Cmd) { case SC_HA_INQUIRY: lpSRB->inquiry.SRB_Status = SS_COMP; /* completed successfully */ lpSRB->inquiry.HA_Count = ASPI_GetNumControllers(); lpSRB->inquiry.HA_SCSI_ID = 7; /* not always ID 7 */ strcpy(lpSRB->inquiry.HA_ManagerId, "ASPI for WIN32"); /* max 15 chars, don't change */ strcpy(lpSRB->inquiry.HA_Identifier, "Wine host"); /* FIXME: return host adapter name */ memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */ lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */ lpSRB->inquiry.HA_Unique[3] = 0x08; /* Maximum number of SCSI targets */ FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId); return SS_COMP; case SC_GET_DEV_TYPE: { /* FIXME: We should return SS_NO_DEVICE if the device is not configured */ /* FIXME: We should return SS_INVALID_HA if HostAdapter!=0 */ SRB tmpsrb; char inqbuf[200]; DWORD ret; memset(&tmpsrb,0,sizeof(tmpsrb)); /* Copy header */ memcpy(&tmpsrb.common,&(lpSRB->common),sizeof(tmpsrb.common)); tmpsrb.cmd.SRB_Flags |= 8; /* target to host */ tmpsrb.cmd.SRB_Cmd = SC_EXEC_SCSI_CMD; tmpsrb.cmd.SRB_Target = lpSRB->devtype.SRB_Target; tmpsrb.cmd.SRB_Lun = lpSRB->devtype.SRB_Lun; tmpsrb.cmd.SRB_BufLen = sizeof(inqbuf); tmpsrb.cmd.SRB_BufPointer = inqbuf; tmpsrb.cmd.CDBByte[0] = 0x12; /* INQUIRY */ /* FIXME: handle lun */ tmpsrb.cmd.CDBByte[4] = sizeof(inqbuf); tmpsrb.cmd.SRB_CDBLen = 6; ret = ASPI_ExecScsiCmd(&tmpsrb.cmd); lpSRB->devtype.SRB_Status = tmpsrb.cmd.SRB_Status; lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f; TRACE("returning devicetype %d for target %d\n",inqbuf[0]&0x1f,tmpsrb.cmd.SRB_Target); if (ret!=SS_PENDING) /* Any error is passed down directly */ return ret; /* FIXME: knows that the command is finished already, pass final Status */ return tmpsrb.cmd.SRB_Status; } case SC_EXEC_SCSI_CMD: return ASPI_ExecScsiCmd(&lpSRB->cmd); case SC_ABORT_SRB: FIXME("Not implemented SC_ABORT_SRB\n"); break; case SC_RESET_DEV: FIXME("Not implemented SC_RESET_DEV\n"); break; case SC_GET_DISK_INFO: /* here we have to find out the int13 / bios association. * We just say we do not have any. */ FIXME("SC_GET_DISK_INFO always return 'int13 unassociated disk'.\n"); lpSRB->diskinfo.SRB_DriveFlags = 0; /* disk is not int13 served */ return SS_COMP; default: FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd); } return SS_INVALID_SRB; #else return SS_INVALID_SRB; #endif } /*********************************************************************** * GetASPI32DLLVersion (WNASPI32.4) */ DWORD __cdecl GetASPI32DLLVersion(void) { #ifdef linux TRACE("Returning version 1\n"); return (DWORD)1; #else FIXME("Please add SCSI support for your operating system, returning 0\n"); return (DWORD)0; #endif } /*********************************************************************** * GetASPI32Buffer (WNASPI32.8) * Supposed to return a DMA capable large SCSI buffer. * Our implementation does not use those at all, all buffer stuff is * done in the kernel SG device layer. So we just heapalloc the buffer. */ BOOL __cdecl GetASPI32Buffer(PASPI32BUFF pab) { pab->AB_BufPointer = HeapAlloc(GetProcessHeap(), pab->AB_ZeroFill?HEAP_ZERO_MEMORY:0, pab->AB_BufLen ); if (!pab->AB_BufPointer) return FALSE; return TRUE; } /*********************************************************************** * FreeASPI32Buffer (WNASPI32.14) */ BOOL __cdecl FreeASPI32Buffer(PASPI32BUFF pab) { HeapFree(GetProcessHeap(),0,pab->AB_BufPointer); return TRUE; } /*********************************************************************** * TranslateASPI32Address (WNASPI32.7) */ BOOL __cdecl TranslateASPI32Address(LPDWORD pdwPath, LPDWORD pdwDEVNODE) { FIXME("(%p, %p), stub !\n", pdwPath, pdwDEVNODE); return TRUE; }