File indexing completed on 2025-03-23 04:28:11

 /*
     SPDX-FileCopyrightText: 2006 Mark Davies <mark@mcs.vuw.ac.nz>
     SPDX-FileCopyrightText: 1998-2009 Sebastian Trueg <trueg@k3b.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 
 #include "k3bscsicommand.h"
 #include "k3bdevice.h"
 
 #include <QDebug>
 
 #include <sys/ioctl.h>
 #include <sys/scsiio.h>
 // #include <sys/cdio.h>
 // #include <sys/dkio.h>
 
 #include <unistd.h>
 #include <sys/types.h>
 
 
 class K3b::Device::ScsiCommand::Private
 {
 public:
     struct scsireq cmd;
 };
 
 
 void K3b::Device::ScsiCommand::clear()
 {
     ::memset( &d->cmd, 0, sizeof(struct scsireq ) );
 }
 
 
 unsigned char& K3b::Device::ScsiCommand::operator[]( size_t i )
 {
     if( d->cmd.cmdlen < i+1 )
         d->cmd.cmdlen = i+1;
     return d->cmd.cmd[i];
 }
 
 
 int K3b::Device::ScsiCommand::transport( TransportDirection dir,
                                          void* data,
                                          size_t len )
 {
     bool needToClose = false;
     int deviceHandle = -1;
     if( m_device ) {
         m_device->usageLock();
         if( !m_device->isOpen() ) {
             needToClose = true;
         }
         m_device->open( dir == TR_DIR_WRITE );
         deviceHandle = m_device->handle();
     }
 
     if( deviceHandle == -1 ) {
         if ( m_device ) {
             m_device->usageUnlock();
         }
 
         return -1;
     }
 
     d->cmd.timeout = 10000;
     d->cmd.databuf = (caddr_t) data;
     d->cmd.datalen = len;
     //  d->cmd.datalen_used = len;
     d->cmd.senselen = SENSEBUFLEN;
     switch (dir)
     {
     case TR_DIR_READ:
         d->cmd.flags = SCCMD_READ;
         break;
     case TR_DIR_WRITE:
         d->cmd.flags = SCCMD_WRITE;
         break;
     default:
         d->cmd.flags = SCCMD_READ;
         break;
     }
 
     int i = ::ioctl( deviceHandle, SCIOCCOMMAND, &d->cmd );
 
     if ( m_device ) {
         if( needToClose )
             m_device->close();
         m_device->usageUnlock();
     }
 
     if( i || (d->cmd.retsts != SCCMD_OK)) {
         debugError( d->cmd.cmd[0],
                     d->cmd.retsts,
                     d->cmd.sense[2],
                     d->cmd.sense[12],
                     d->cmd.sense[13] );
 
         return 1;
     }
     else
         return 0;
 }