?? scsi_sun.c
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/* Copyright 1997, 1998 Leonard Zubkoff <lnz@dandelion.com> Changes copyright 2000 Eric Green <eric@estinc.com>$Date: 2001/12/13 16:30:11 $$Revision: 1.1.1.1.2.2 $ This program is free software; you may redistribute and/or modify it under the terms of the GNU General Public License Version 2 as published by the Free Software Foundation. This program 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 General Public License for complete details.*//* This is the SCSI commands for Sun Solaris. */#define LONG_PRINT_REQUEST_SENSE /* sigh! */DEVICE_TYPE SCSI_OpenDevice(char *DeviceName){ int DeviceFD = open(DeviceName, O_RDWR | O_NDELAY); if (DeviceFD < 0) FatalError("cannot open SCSI device '%s' - %m\n", DeviceName); return (DEVICE_TYPE) DeviceFD;}void SCSI_CloseDevice(char *DeviceName, DEVICE_TYPE DeviceFD){ if (close(DeviceFD) < 0) FatalError("cannot close SCSI device '%s' - %m\n", DeviceName);}#define HAS_SCSI_TIMEOUTstatic int uscsi_timeout=5*60; void SCSI_Set_Timeout(int to) { uscsi_timeout=to;}void SCSI_Default_Timeout(void) { uscsi_timeout=5*60; /* the default */}#ifdef DEBUGint SCSI_DumpBuffer(int DataBufferLength, unsigned char *DataBuffer) { int i,j; j=0; for (i=0; i < DataBufferLength; i++) { if (j==25) { fprintf(stderr,"\n"); j=0; } if (j==0) { fprintf(stderr,"%04x:",i); } if (j>0) { fprintf(stderr," "); } fprintf(stderr,"%02x",(int)DataBuffer[i]); j++; } fprintf(stderr,"\n");}#endifint SCSI_ExecuteCommand(DEVICE_TYPE DeviceFD, Direction_T Direction, CDB_T *CDB, int CDB_Length, void *DataBuffer, int DataBufferLength, RequestSense_T *RequestSense){ int ioctl_result; struct uscsi_cmd Command;#ifdef DEBUG_SCSI fprintf(stderr,"------CDB--------\n"); SCSI_DumpBuffer(CDB_Length,(char *)CDB);#endif memset(&Command, 0, sizeof(struct uscsi_cmd)); memset(RequestSense, 0, sizeof(RequestSense_T)); switch (Direction) { case Input: Command.uscsi_flags = USCSI_DIAGNOSE | USCSI_ISOLATE | USCSI_RQENABLE; if (DataBufferLength > 0) { memset(DataBuffer, 0, DataBufferLength); Command.uscsi_flags |= USCSI_READ; } break; case Output: Command.uscsi_flags = USCSI_DIAGNOSE | USCSI_ISOLATE | USCSI_WRITE | USCSI_RQENABLE; break; } /* Set timeout to 5 minutes. */#ifdef DEBUG_TIMEOUT fprintf(stderr,"uscsi_timeout=%d\n",uscsi_timeout); fflush(stderr);#endif Command.uscsi_timeout = uscsi_timeout; Command.uscsi_cdb = (caddr_t) CDB; Command.uscsi_cdblen = CDB_Length; Command.uscsi_bufaddr = DataBuffer; Command.uscsi_buflen = DataBufferLength; Command.uscsi_rqbuf = (caddr_t) RequestSense; Command.uscsi_rqlen = sizeof(RequestSense_T); ioctl_result=ioctl(DeviceFD, USCSICMD, &Command); SCSI_Default_Timeout(); /* set it back to default, sigh. */ if (ioctl_result < 0) {#ifdef DEBUG perror("mtx");#endif return ioctl_result; } if (RequestSense -> ErrorCode > 1) { return -1; }#ifdef DEBUG_SCSI if (Direction==Input) { fprintf(stderr,"--------input data-----------\n"); SCSI_DumpBuffer(DataBufferLength,DataBuffer); }#endif return 0;}
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