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112 lines
2.3 KiB
112 lines
2.3 KiB
15 years ago
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/*
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*
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* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
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* Copyright (C) 2006 Mark Davies <mark@mcs.vuw.ac.nz>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3bscsicommand.h"
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#include "k3bdevice.h"
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#include <k3bdebug.h>
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#include <sys/ioctl.h>
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#include <sys/scsiio.h>
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// #include <sys/cdio.h>
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// #include <sys/dkio.h>
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#include <unistd.h>
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#include <sys/types.h>
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class K3bDevice::ScsiCommand::Private
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{
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public:
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struct scsireq cmd;
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};
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void K3bDevice::ScsiCommand::clear()
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{
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::memset( &d->cmd, 0, sizeof(struct scsireq ) );
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}
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unsigned char& K3bDevice::ScsiCommand::operator[]( size_t i )
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{
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if( d->cmd.cmdlen < i+1 )
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d->cmd.cmdlen = i+1;
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return d->cmd.cmd[i];
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}
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int K3bDevice::ScsiCommand::transport( TransportDirection dir,
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void* data,
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size_t len )
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{
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bool needToClose = false;
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if( m_device ) {
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m_device->usageLock();
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if( !m_device->isOpen() ) {
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needToClose = true;
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}
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m_device->open( dir == TR_DIR_WRITE );
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m_deviceHandle = m_device->handle();
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}
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if( m_deviceHandle == -1 ) {
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if ( m_device ) {
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m_device->usageUnlock();
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}
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return -1;
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}
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d->cmd.timeout = 10000;
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d->cmd.databuf = (caddr_t) data;
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d->cmd.datalen = len;
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// d->cmd.datalen_used = len;
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d->cmd.senselen = SENSEBUFLEN;
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switch (dir)
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{
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case TR_DIR_READ:
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d->cmd.flags = SCCMD_READ;
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break;
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case TR_DIR_WRITE:
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d->cmd.flags = SCCMD_WRITE;
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break;
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default:
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d->cmd.flags = SCCMD_READ;
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break;
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}
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int i = ::ioctl( m_deviceHandle, SCIOCCOMMAND, &d->cmd );
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if ( m_device ) {
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if( needToClose )
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m_device->close();
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m_device->usageUnlock();
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}
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if( i || (d->cmd.retsts != SCCMD_OK)) {
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debugError( d->cmd.cmd[0],
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d->cmd.retsts,
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d->cmd.sense[2],
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d->cmd.sense[12],
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d->cmd.sense[13] );
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return 1;
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}
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else
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return 0;
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}
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