/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.bus.scsi.cdb.spc;
import org.jnode.driver.bus.scsi.SCSIBuffer;
import org.jnode.util.NumberUtils;
/**
* Wrapper class for interpreting INQUIRY results.
*
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public class InquiryData extends SCSIBuffer {
/**
* Initialize this instance
*
* @param data
*/
public InquiryData(byte[] data) {
super(data);
}
/**
* Gets the peripheral device type.
*/
public final int getPeripheralDeviceType() {
return getUInt8(0) & 0x1F;
}
/**
* Gets the peripheral qualifier.
*/
public final int getPeripheralQualifier() {
return getUInt8(0) >> 5;
}
/**
* Is this a removable device.
*/
public final boolean isRemovable() {
return ((getUInt8(1) & 0x80) != 0);
}
/**
* Gets the implemented version of the SCSI standard.
* MM Logical Units attached via the ATA-PI shall report 00h.
* MM Logical Units attached via the SCSI shall report 04h.
*/
public final int getVersion() {
return getUInt8(2);
}
/**
* Gets the vendor identification.
*/
public final String getVendorIdentification() {
return getASCII(8, 8);
}
/**
* Gets the product identification.
*/
public final String getProductIdentification() {
return getASCII(16, 16);
}
/**
* Gets the product revision level.
*/
public final String getProductRevisionLevel() {
return getASCII(32, 4);
}
/**
* Gets the standards to which the device claims conformance.
*/
public final int[] getVersionDescriptors() {
final int[] descriptors = new int[8];
for (int i = 0; i < descriptors.length; i++) {
descriptors[i] = getUInt16(58 + i * 2);
}
return descriptors;
}
/**
* Does this device claim conformance to the given standard.
*/
public final boolean containsVersionDescriptors(int standardDescriptor) {
for (int i = 0; i < 8; i++) {
if (standardDescriptor == getUInt16(58 + i * 2)) {
return true;
}
}
return false;
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
return "PeripheralDeviceType 0x" + NumberUtils.hex(getPeripheralDeviceType(), 2) +
", PeripheralQualifier 0x" + NumberUtils.hex(getPeripheralQualifier(), 2) +
", Version 0x" + NumberUtils.hex(getVersion(), 2) +
", Vendor " + getVendorIdentification() +
", Product " + getProductIdentification() +
", Revision " + getProductRevisionLevel() +
", Version descriptors " + NumberUtils.hex(getVersionDescriptors(), 4);
}
}