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/*
* scsi.h
*
* General scsi and linux scsi specific defines and structs.
*
* Copyright (C) IBM Corp. 2003
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <scsi/scsi.h>
struct scsi_ioctl_command {
unsigned int inlen; /* excluding scsi command length */
unsigned int outlen;
unsigned char data[1];
/* on input, scsi command starts here then opt. data */
};
/*
* Default 5 second timeout
*/
#define DEF_TIMEOUT 5000
#define SENSE_BUFF_LEN 32
/*
* The request buffer size passed to the SCSI INQUIRY commands, use 254,
* as this is a nice value for some devices, especially some of the usb
* mass storage devices.
*/
#define SCSI_INQ_BUFF_LEN 254
/*
* SCSI INQUIRY vendor and model (really product) lengths.
*/
#define VENDOR_LENGTH 8
#define MODEL_LENGTH 16
#define INQUIRY_CMD 0x12
#define INQUIRY_CMDLEN 6
/*
* INQUIRY VPD page 0x83 identifier descriptor related values. Reference the
* SCSI Primary Commands specification for details.
*/
/*
* id type values of id descriptors. These are assumed to fit in 4 bits.
*/
#define SCSI_ID_VENDOR_SPECIFIC 0
#define SCSI_ID_T10_VENDOR 1
#define SCSI_ID_EUI_64 2
#define SCSI_ID_NAA 3
/*
* Supported NAA values. These fit in 4 bits, so the "don't care" value
* cannot conflict with real values.
*/
#define SCSI_ID_NAA_DONT_CARE 0xff
#define SCSI_ID_NAA_IEEE_REG 5
#define SCSI_ID_NAA_IEEE_REG_EXTENDED 6
/*
* Supported Code Set values.
*/
#define SCSI_ID_BINARY 1
#define SCSI_ID_ASCII 2
struct scsi_id_search_values {
u_char id_type;
u_char naa_type;
u_char code_set;
};
/*
* Following are the "true" SCSI status codes. Linux has traditionally
* used a 1 bit right and masked version of these. So now CHECK_CONDITION
* and friends (in <scsi/scsi.h>) are deprecated.
*/
#define SCSI_CHECK_CONDITION 0x2
#define SCSI_CONDITION_MET 0x4
#define SCSI_BUSY 0x8
#define SCSI_IMMEDIATE 0x10
#define SCSI_IMMEDIATE_CONDITION_MET 0x14
#define SCSI_RESERVATION_CONFLICT 0x18
#define SCSI_COMMAND_TERMINATED 0x22
#define SCSI_TASK_SET_FULL 0x28
#define SCSI_ACA_ACTIVE 0x30
#define SCSI_TASK_ABORTED 0x40
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