src/udev/scsi_id/scsi.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /*
   4  * scsi.h
   5  *
   6  * General scsi and linux scsi specific defines and structs.
   7  *
   8  * Copyright (C) IBM Corp. 2003
   9  *
  10  *        This program is free software; you can redistribute it and/or modify it
  11  *        under the terms of the GNU General Public License as published by the
  12  *        Free Software Foundation version 2 of the License.
  13  */
  14
  15 #pragma once
  16
  17 #include <scsi/scsi.h>
  18
  19 struct scsi_ioctl_command {
  20         unsigned int inlen;        /* excluding scsi command length */
  21         unsigned int outlen;
  22         unsigned char data[1];
  23         /* on input, scsi command starts here then opt. data */
  24 };
  25
  26 /*
  27  * Default 5 second timeout
  28  */
  29 #define DEF_TIMEOUT 5000
  30
  31 #define SENSE_BUFF_LEN 32
  32
  33 /*
  34  * The request buffer size passed to the SCSI INQUIRY commands, use 254,
  35  * as this is a nice value for some devices, especially some of the usb
  36  * mass storage devices.
  37  */
  38 #define SCSI_INQ_BUFF_LEN 254
  39
  40 /*
  41  * SCSI INQUIRY vendor and model (really product) lengths.
  42  */
  43 #define VENDOR_LENGTH 8
  44 #define MODEL_LENGTH 16
  45
  46 #define INQUIRY_CMD 0x12
  47 #define INQUIRY_CMDLEN 6
  48
  49 /*
  50  * INQUIRY VPD page 0x83 identifier descriptor related values. Reference the
  51  * SCSI Primary Commands specification for details.
  52  */
  53
  54 /*
  55  * id type values of id descriptors. These are assumed to fit in 4 bits.
  56  */
  57 #define SCSI_ID_VENDOR_SPECIFIC 0
  58 #define SCSI_ID_T10_VENDOR      1
  59 #define SCSI_ID_EUI_64          2
  60 #define SCSI_ID_NAA             3
  61 #define SCSI_ID_RELPORT         4
  62 #define SCSI_ID_TGTGROUP        5
  63 #define SCSI_ID_LUNGROUP        6
  64 #define SCSI_ID_MD5             7
  65 #define SCSI_ID_NAME            8
  66
  67 /*
  68  * Supported NAA values. These fit in 4 bits, so the "don't care" value
  69  * cannot conflict with real values.
  70  */
  71 #define SCSI_ID_NAA_DONT_CARE         0xff
  72 #define SCSI_ID_NAA_IEEE_REG          0x05
  73 #define SCSI_ID_NAA_IEEE_REG_EXTENDED 0x06
  74
  75 /*
  76  * Supported Code Set values.
  77  */
  78 #define SCSI_ID_BINARY 1
  79 #define SCSI_ID_ASCII  2
  80
  81 struct scsi_id_search_values {
  82         u_char id_type;
  83         u_char naa_type;
  84         u_char code_set;
  85 };
  86
  87 /*
  88  * Following are the "true" SCSI status codes. Linux has traditionally
  89  * used a 1 bit right and masked version of these. So now CHECK_CONDITION
  90  * and friends (in <scsi/scsi.h>) are deprecated.
  91  */
  92 #define SCSI_CHECK_CONDITION         0x02
  93 #define SCSI_CONDITION_MET           0x04
  94 #define SCSI_BUSY                    0x08
  95 #define SCSI_IMMEDIATE               0x10
  96 #define SCSI_IMMEDIATE_CONDITION_MET 0x14
  97 #define SCSI_RESERVATION_CONFLICT    0x18
  98 #define SCSI_COMMAND_TERMINATED      0x22
  99 #define SCSI_TASK_SET_FULL           0x28
 100 #define SCSI_ACA_ACTIVE              0x30
 101 #define SCSI_TASK_ABORTED            0x40