/* * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include <stdlib.h> #include <sys/types.h> #include <errno.h> #include <fcntl.h> #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #include <string.h> #include <stdarg.h> #include <stdio.h> #include "windef.h" #include "winbase.h" #include "wine/windef16.h" #include "wine/winbase16.h" #include "winreg.h" #include "wownt32.h" #include "aspi.h" #include "wine/winaspi.h" #include "wine/debug.h" /* FIXME! * 1) Residual byte length reporting not handled * 2) Make this code re-entrant for multithreading * 3) Only linux supported so far */ #ifdef linux /* Copy of info from 2.2.x kernel */ #define SG_MAX_SENSE 16 /* too little, unlikely to change in 2.2.x */ struct sg_header { int pack_len; /* [o] reply_len (ie useless), ignored as input */ int reply_len; /* [i] max length of expected reply (inc. sg_header) */ int pack_id; /* [io] id number of packet (use ints >= 0) */ int result; /* [o] 0==ok, else (+ve) Unix errno (best ignored) */ unsigned int twelve_byte:1; /* [i] Force 12 byte command length for group 6 & 7 commands */ unsigned int target_status:5; /* [o] scsi status from target */ unsigned int host_status:8; /* [o] host status (see "DID" codes) */ unsigned int driver_status:8; /* [o] driver status+suggestion */ unsigned int other_flags:10; /* unused */ unsigned char sense_buffer[SG_MAX_SENSE]; /* [o] Output in 3 cases: when target_status is CHECK_CONDITION or when target_status is COMMAND_TERMINATED or when (driver_status & DRIVER_SENSE) is true. */ }; /* This structure is 36 bytes long on i386 */ #define SCSI_OFF sizeof(struct sg_header) #define PTR_TO_LIN(ptr,mode) \ ((mode) == ASPI_DOS ? ((void*)(((unsigned int)SELECTOROF(ptr) << 4) + OFFSETOF(ptr))) : MapSL(ptr)) WINE_DEFAULT_DEBUG_CHANNEL(aspi); /* Just a container for seeing what devices are open */ struct ASPI_DEVICE_INFO { struct ASPI_DEVICE_INFO * next; int fd; int hostId; int target; int lun; }; typedef struct ASPI_DEVICE_INFO ASPI_DEVICE_INFO; static ASPI_DEVICE_INFO *ASPI_open_devices = NULL; static FARPROC16 ASPIChainFunc = NULL; static WORD HA_Count = 1; /* host adapter count; FIXME: detect it */ static int ASPI_OpenDevice16(SRB_ExecSCSICmd16 *prb) { HKEY hkey; int fd; char idstr[50]; char device_str[50]; 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. */ 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) { return curr->fd; } } /* device wasn't cached, go ahead and open it */ sprintf( idstr, "Software\\Wine\\Wine\\Config\\scsi c%1dt%1dd%1d", prb->SRB_HaId, prb->SRB_Target, prb->SRB_Lun); device_str[0] = 0; if (!RegOpenKeyExA( HKEY_LOCAL_MACHINE, idstr, 0, KEY_ALL_ACCESS, &hkey )) { DWORD type, count = sizeof(device_str); if (RegQueryValueExA( hkey, "Device", 0, &type, (LPBYTE)device_str, &count )) device_str[0] = 0; RegCloseKey( hkey ); } if (!device_str[0]) { TRACE("Trying to open unlisted scsi device %s\n", idstr); return -1; } TRACE("Opening device %s=%s\n", idstr, device_str); fd = open(device_str, O_RDWR); if (fd == -1) { int save_error = errno; ERR("Error opening device %s, error '%s'\n", device_str, strerror(save_error)); return -1; } /* device is now open */ 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 */ curr->next = ASPI_open_devices; ASPI_open_devices = curr; return fd; } static void ASPI_DebugPrintCmd(SRB_ExecSCSICmd16 *prb, UINT16 mode) { int i; BYTE *cdb; BYTE *lpBuf = PTR_TO_LIN( prb->SRB_BufPointer, mode ); switch (prb->CDBByte[0]) { case CMD_INQUIRY: TRACE("{\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_TRANSFERRED(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: %d\n", prb->SRB_BufLen); TRACE("SenseLen: %d\n", prb->SRB_SenseLen); TRACE("BufPtr: %x (%p)\n", prb->SRB_BufPointer, lpBuf); TRACE("LinkPointer %x\n", prb->SRB_Rsvd1); TRACE("CDB Length: %d\n", prb->SRB_CDBLen); TRACE("POST Proc: %x\n", (DWORD) prb->SRB_PostProc); cdb = &prb->CDBByte[0]; if (TRACE_ON(aspi)) { TRACE("CDB buffer["); for (i = 0; i < prb->SRB_CDBLen; i++) { if (i != 0) TRACE(","); TRACE("%02x", *cdb++); } TRACE("]\n"); } } static void ASPI_PrintSenseArea16(SRB_ExecSCSICmd16 *prb) { int i; BYTE *cdb; if (TRACE_ON(aspi)) { cdb = &prb->CDBByte[0]; TRACE("SenseArea["); for (i = 0; i < prb->SRB_SenseLen; i++) { if (i) TRACE(","); TRACE("%02x", *cdb++); } TRACE("]\n"); } } static void ASPI_DebugPrintResult(SRB_ExecSCSICmd16 *prb, UINT16 mode) { BYTE *lpBuf = PTR_TO_LIN( prb->SRB_BufPointer, mode ); switch (prb->CDBByte[0]) { case CMD_INQUIRY: TRACE("Vendor: '%s'\n", lpBuf + INQUIRY_VENDOR); break; case CMD_TEST_UNIT_READY: ASPI_PrintSenseArea16(prb); break; } } static WORD ASPI_ExecScsiCmd(DWORD ptrPRB, UINT16 mode) { SRB_ExecSCSICmd16 *lpPRB = PTR_TO_LIN( ptrPRB, mode ); struct sg_header *sg_hd, *sg_reply_hdr; int status; BYTE *lpBuf = 0; int in_len, out_len; int error_code = 0; int fd; ASPI_DebugPrintCmd(lpPRB, mode); fd = ASPI_OpenDevice16(lpPRB); if (fd == -1) { WARN("Failed: could not open device. Device permissions !?\n"); lpPRB->SRB_Status = SS_ERR; return SS_ERR; } sg_hd = NULL; sg_reply_hdr = NULL; lpPRB->SRB_Status = SS_PENDING; lpBuf = PTR_TO_LIN( lpPRB->SRB_BufPointer, mode ); if (!lpPRB->SRB_CDBLen) { WARN("Failed: lpPRB->SRB_CDBLen = 0.\n"); lpPRB->SRB_Status = SS_ERR; return SS_ERR; } /* 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 = 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, lpBuf, lpPRB->SRB_BufLen); } } else { /* send header and command - no data */ in_len = SCSI_OFF + lpPRB->SRB_CDBLen; sg_hd = 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 = 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 = HeapAlloc(GetProcessHeap(), 0, out_len); memset(sg_reply_hdr, 0, SCSI_OFF); sg_hd->reply_len = out_len; } status = write(fd, sg_hd, in_len); if (status < 0 || status != in_len) { int save_error = errno; WARN("Not enough bytes written to scsi device bytes=%d .. %d\n", in_len, status); if (status < 0) { if (save_error == ENOMEM) { MESSAGE("ASPI: Linux generic scsi driver\n You probably need to re-compile your kernel with a larger SG_BIG_BUFF value (sg.h)\n Suggest 130560\n"); } WARN("error:= '%s'\n", strerror(save_error)); } goto error_exit; } status = read(fd, sg_reply_hdr, out_len); if (status < 0 || status != out_len) { WARN("not enough bytes read from scsi device%d\n", 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(lpBuf, 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; memcpy(SENSE_BUFFER(lpPRB), &sg_reply_hdr->sense_buffer[0], sense_len); } lpPRB->SRB_Status = SS_COMP; lpPRB->SRB_HaStat = HASTAT_OK; lpPRB->SRB_TargStat = STATUS_GOOD; /* now do posting */ if (ASPI_POSTING(lpPRB) && lpPRB->SRB_PostProc) { TRACE("Post Routine (%x) called\n", (DWORD) lpPRB->SRB_PostProc); switch (mode) { case ASPI_DOS: { SEGPTR spPRB = MapLS(lpPRB); WOWCallback16((DWORD)lpPRB->SRB_PostProc, spPRB); UnMapLS(spPRB); break; } case ASPI_WIN16: WOWCallback16((DWORD)lpPRB->SRB_PostProc, ptrPRB); break; } } HeapFree(GetProcessHeap(), 0, sg_reply_hdr); HeapFree(GetProcessHeap(), 0, sg_hd); ASPI_DebugPrintResult(lpPRB, mode); return SS_COMP; error_exit: if (error_code == EBUSY) { lpPRB->SRB_Status = SS_ASPI_IS_BUSY; TRACE("Device busy\n"); } else { WARN("Failed\n"); lpPRB->SRB_Status = SS_ERR; } /* 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); return lpPRB->SRB_Status; } #endif /*********************************************************************** * GetASPISupportInfo (WINASPI.1) */ WORD WINAPI GetASPISupportInfo16(void) { #ifdef linux TRACE("GETASPISupportInfo16\n"); /* high byte SS_COMP - low byte number of host adapters */ return ((SS_COMP << 8) | HA_Count); #else return ((SS_NO_ASPI << 8) | 0); #endif } static DWORD ASPI_SendASPICommand(DWORD ptrSRB, UINT16 mode) { #ifdef linux LPSRB16 lpSRB = PTR_TO_LIN( ptrSRB, mode ); static const char szId[] = "Wine ASPI16"; static const char szWh[] = "Wine host"; if (mode == ASPI_WIN16 && ASPIChainFunc) { /* This is not the post proc, it's the chain proc this time */ DWORD ret = WOWCallback16((DWORD)ASPIChainFunc, ptrSRB); if (ret) { lpSRB->inquiry.SRB_Status = SS_INVALID_SRB; return ret; } } switch (lpSRB->common.SRB_Cmd) { case SC_HA_INQUIRY: lpSRB->inquiry.SRB_Status = SS_COMP; /* completed successfully */ if (lpSRB->inquiry.SRB_55AASignature == 0x55aa) { TRACE("Extended request detected (Adaptec's ASPIxDOS).\nWe don't support it at the moment.\n"); } lpSRB->inquiry.SRB_ExtBufferSize = 0x2000; /* bogus value */ lpSRB->inquiry.HA_Count = HA_Count; lpSRB->inquiry.HA_SCSI_ID = 7; /* not always ID 7 */ memcpy(lpSRB->inquiry.HA_ManagerId, szId, sizeof szId); /* max 15 chars */ memcpy(lpSRB->inquiry.HA_Identifier, szWh, sizeof szWh); /* 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) */ FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId); return SS_COMP; case SC_GET_DEV_TYPE: FIXME("Not implemented SC_GET_DEV_TYPE\n"); break; case SC_EXEC_SCSI_CMD: return ASPI_ExecScsiCmd(ptrSRB, mode); case SC_RESET_DEV: FIXME("Not implemented SC_RESET_DEV\n"); break; default: FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd); } #endif return SS_INVALID_SRB; } /*********************************************************************** * SendASPICommand (WINASPI.2) */ WORD WINAPI SendASPICommand16(SEGPTR segptr_srb) { return ASPI_SendASPICommand(segptr_srb, ASPI_WIN16); } /*********************************************************************** * InsertInASPIChain (WINASPI.3) */ WORD WINAPI InsertInASPIChain16(BOOL16 remove, FARPROC16 pASPIChainFunc) { #ifdef linux if (remove) /* Remove */ { if (ASPIChainFunc == pASPIChainFunc) { ASPIChainFunc = NULL; return SS_COMP; } } else /* Insert */ { if (ASPIChainFunc == NULL) { ASPIChainFunc = pASPIChainFunc; return SS_COMP; } } #endif return SS_ERR; } /*********************************************************************** * GETASPIDLLVERSION (WINASPI.4) */ DWORD WINAPI GetASPIDLLVersion16(void) { #ifdef linux return 2; #else return 0; #endif }