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