release/src/router/udev/extras/scsi_id/scsi.h

   1 /*
   2  * scsi.h
   3  *
   4  * General scsi and linux scsi specific defines and structs.
   5  *
   6  * Copyright (C) IBM Corp. 2003
   7  *
   8  *      This program is free software; you can redistribute it and/or modify it
   9  *      under the terms of the GNU General Public License as published by the
  10  *      Free Software Foundation version 2 of the License.
  11  */
  12
  13 #include <scsi/scsi.h>
  14
  15 struct scsi_ioctl_command {
  16         unsigned int inlen;     /* excluding scsi command length */
  17         unsigned int outlen;
  18         unsigned char data[1];
  19         /* on input, scsi command starts here then opt. data */
  20 };
  21
  22 /*
  23  * Default 5 second timeout
  24  */
  25 #define DEF_TIMEOUT     5000
  26
  27 #define SENSE_BUFF_LEN  32
  28
  29 /*
  30  * The request buffer size passed to the SCSI INQUIRY commands, use 254,
  31  * as this is a nice value for some devices, especially some of the usb
  32  * mass storage devices.
  33  */
  34 #define SCSI_INQ_BUFF_LEN       254
  35
  36 /*
  37  * SCSI INQUIRY vendor and model (really product) lengths.
  38  */
  39 #define VENDOR_LENGTH   8
  40 #define MODEL_LENGTH    16
  41
  42 #define INQUIRY_CMD     0x12
  43 #define INQUIRY_CMDLEN  6
  44
  45 /*
  46  * INQUIRY VPD page 0x83 identifier descriptor related values. Reference the
  47  * SCSI Primary Commands specification for details.
  48  */
  49
  50 /*
  51  * id type values of id descriptors. These are assumed to fit in 4 bits.
  52  */
  53 #define SCSI_ID_VENDOR_SPECIFIC 0
  54 #define SCSI_ID_T10_VENDOR      1
  55 #define SCSI_ID_EUI_64          2
  56 #define SCSI_ID_NAA             3
  57
  58 /*
  59  * Supported NAA values. These fit in 4 bits, so the "don't care" value
  60  * cannot conflict with real values.
  61  */
  62 #define SCSI_ID_NAA_DONT_CARE           0xff
  63 #define SCSI_ID_NAA_IEEE_REG            5
  64 #define SCSI_ID_NAA_IEEE_REG_EXTENDED   6
  65
  66 /*
  67  * Supported Code Set values.
  68  */
  69 #define SCSI_ID_BINARY  1
  70 #define SCSI_ID_ASCII   2
  71
  72 struct scsi_id_search_values {
  73         u_char  id_type;
  74         u_char  naa_type;
  75         u_char  code_set;
  76 };
  77
  78 /*
  79  * Following are the "true" SCSI status codes. Linux has traditionally
  80  * used a 1 bit right and masked version of these. So now CHECK_CONDITION
  81  * and friends (in <scsi/scsi.h>) are deprecated.
  82  */
  83 #define SCSI_CHECK_CONDITION 0x2
  84 #define SCSI_CONDITION_MET 0x4
  85 #define SCSI_BUSY 0x8
  86 #define SCSI_IMMEDIATE 0x10
  87 #define SCSI_IMMEDIATE_CONDITION_MET 0x14
  88 #define SCSI_RESERVATION_CONFLICT 0x18
  89 #define SCSI_COMMAND_TERMINATED 0x22
  90 #define SCSI_TASK_SET_FULL 0x28
  91 #define SCSI_ACA_ACTIVE 0x30
  92 #define SCSI_TASK_ABORTED 0x40