scsi.h revision 461577eeb320423a4d37283d9c8712cd8ec6ee9f
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* scsi.h
*
* General scsi and linux scsi specific defines and structs.
*
* Copyright (C) IBM Corp. 2003
*
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*/
#pragma once
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
#define SCSI_ID_RELPORT 4
#define SCSI_ID_TGTGROUP 5
#define SCSI_ID_LUNGROUP 6
#define SCSI_ID_MD5 7
#define SCSI_ID_NAME 8
/*
* 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 0x05
#define SCSI_ID_NAA_IEEE_REG_EXTENDED 0x06
/*
* Supported Code Set values.
*/
#define SCSI_ID_BINARY 1
#define SCSI_ID_ASCII 2
struct scsi_id_search_values {
};
/*
* Following are the "true" SCSI status codes. Linux has traditionally
* used a 1 bit right and masked version of these. So now CHECK_CONDITION
*/
#define SCSI_CHECK_CONDITION 0x02
#define SCSI_CONDITION_MET 0x04
#define SCSI_BUSY 0x08
#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