src/udev/scsi_id/scsi.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 #pragma once
   3
   4 /*
   5  * scsi.h
   6  *
   7  * General scsi and linux scsi specific defines and structs.
   8  *
   9  * Copyright (C) IBM Corp. 2003
  10  *
  11  *        This program is free software; you can redistribute it and/or modify it
  12  *        under the terms of the GNU General Public License as published by the
  13  *        Free Software Foundation version 2 of the License.
  14  */
  15
  16 #include <scsi/scsi.h>
  17
  18 struct scsi_ioctl_command {
  19         unsigned int inlen;        /* excluding scsi command length */
  20         unsigned int outlen;
  21         unsigned char data[1];
  22         /* on input, scsi command starts here then opt. data */
  23 };
  24
  25 /*
  26  * Default 5 second timeout
  27  */
  28 #define DEF_TIMEOUT 5000
  29
  30 #define SENSE_BUFF_LEN 32
  31
  32 /*
  33  * The request buffer size passed to the SCSI INQUIRY commands, use 254,
  34  * as this is a nice value for some devices, especially some of the usb
  35  * mass storage devices.
  36  */
  37 #define SCSI_INQ_BUFF_LEN 254
  38
  39 /*
  40  * SCSI INQUIRY vendor and model (really product) lengths.
  41  */
  42 #define VENDOR_LENGTH 8
  43 #define MODEL_LENGTH 16
  44
  45 #define INQUIRY_CMD 0x12
  46 #define INQUIRY_CMDLEN 6
  47
  48 /*
  49  * INQUIRY VPD page 0x83 identifier descriptor related values. Reference the
  50  * SCSI Primary Commands specification for details.
  51  */
  52
  53 /*
  54  * id type values of id descriptors. These are assumed to fit in 4 bits.
  55  */
  56 #define SCSI_ID_VENDOR_SPECIFIC 0
  57 #define SCSI_ID_T10_VENDOR      1
  58 #define SCSI_ID_EUI_64          2
  59 #define SCSI_ID_NAA             3
  60 #define SCSI_ID_RELPORT         4
  61 #define SCSI_ID_TGTGROUP        5
  62 #define SCSI_ID_LUNGROUP        6
  63 #define SCSI_ID_MD5             7
  64 #define SCSI_ID_NAME            8
  65
  66 /*
  67  * Supported NAA values. These fit in 4 bits, so the "don't care" value
  68  * cannot conflict with real values.
  69  */
  70 #define SCSI_ID_NAA_DONT_CARE         0xff
  71 #define SCSI_ID_NAA_IEEE_REG          0x05
  72 #define SCSI_ID_NAA_IEEE_REG_EXTENDED 0x06
  73
  74 /*
  75  * Supported Code Set values.
  76  */
  77 #define SCSI_ID_BINARY 1
  78 #define SCSI_ID_ASCII  2
  79
  80 struct scsi_id_search_values {
  81         u_char id_type;
  82         u_char naa_type;
  83         u_char code_set;
  84 };
  85
  86 /*
  87  * Following are the "true" SCSI status codes. Linux has traditionally
  88  * used a 1 bit right and masked version of these. So now CHECK_CONDITION
  89  * and friends (in <scsi/scsi.h>) are deprecated.
  90  */
  91 #define SCSI_CHECK_CONDITION         0x02
  92 #define SCSI_CONDITION_MET           0x04
  93 #define SCSI_BUSY                    0x08
  94 #define SCSI_IMMEDIATE               0x10
  95 #define SCSI_IMMEDIATE_CONDITION_MET 0x14
  96 #define SCSI_RESERVATION_CONFLICT    0x18
  97 #define SCSI_COMMAND_TERMINATED      0x22
  98 #define SCSI_TASK_SET_FULL           0x28
  99 #define SCSI_ACA_ACTIVE              0x30
 100 #define SCSI_TASK_ABORTED            0x40