| /* |
| * 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 |
| } |