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   1 /*
   2  * linux/include/linux/hdsmart.h
   3  *
   4  * Copyright (C) 1999-2000      Michael Cornwell <cornwell@acm.org>
   5  * Copyright (C) 2000           Andre Hedrick <andre@linux-ide.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * (for example /usr/src/linux/COPYING); if not, write to the Free
  14  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15  */
  16
  17 #ifndef _LINUX_HDSMART_H
  18 #define _LINUX_HDSMART_H
  19
  20 #define OFFLINE_FULL_SCAN               0
  21 #define SHORT_SELF_TEST                 1
  22 #define EXTEND_SELF_TEST                2
  23 #define SHORT_CAPTIVE_SELF_TEST         129
  24 #define EXTEND_CAPTIVE_SELF_TEST        130
  25
  26 /* smart_attribute is the vendor specific in SFF-8035 spec */
  27 typedef struct ata_smart_attribute_s {
  28         unsigned char                   id;
  29         unsigned short                  status_flag;
  30         unsigned char                   normalized;
  31         unsigned char                   worse_normal;
  32         unsigned char                   raw[6];
  33         unsigned char                   reserv;
  34 } __attribute__ ((packed)) ata_smart_attribute_t;
  35
  36 /* smart_values is format of the read drive Atrribute command */
  37 typedef struct ata_smart_values_s {
  38         unsigned short                  revnumber;
  39         ata_smart_attribute_t           vendor_attributes [30];
  40         unsigned char                   offline_data_collection_status;
  41         unsigned char                   self_test_exec_status;
  42         unsigned short                  total_time_to_complete_off_line;
  43         unsigned char                   vendor_specific_366;
  44         unsigned char                   offline_data_collection_capability;
  45         unsigned short                  smart_capability;
  46         unsigned char                   errorlog_capability;
  47         unsigned char                   vendor_specific_371;
  48         unsigned char                   short_test_completion_time;
  49         unsigned char                   extend_test_completion_time;
  50         unsigned char                   reserved_374_385 [12];
  51         unsigned char                   vendor_specific_386_509 [125];
  52         unsigned char                   chksum;
  53 } __attribute__ ((packed)) ata_smart_values_t;
  54
  55 /* Smart Threshold data structures */
  56 /* Vendor attribute of SMART Threshold */
  57 typedef struct ata_smart_threshold_entry_s {
  58         unsigned char                   id;
  59         unsigned char                   normalized_threshold;
  60         unsigned char                   reserved[10];
  61 } __attribute__ ((packed)) ata_smart_threshold_entry_t;
  62
  63 /* Format of Read SMART THreshold Command */
  64 typedef struct ata_smart_thresholds_s {
  65         unsigned short                  revnumber;
  66         ata_smart_threshold_entry_t     thres_entries[30];
  67         unsigned char                   reserved[149];
  68         unsigned char                   chksum;
  69 } __attribute__ ((packed)) ata_smart_thresholds_t;
  70
  71 typedef struct ata_smart_errorlog_command_struct_s {
  72         unsigned char                   devicecontrolreg;
  73         unsigned char                   featuresreg;
  74         unsigned char                   sector_count;
  75         unsigned char                   sector_number;
  76         unsigned char                   cylinder_low;
  77         unsigned char                   cylinder_high;
  78         unsigned char                   drive_head;
  79         unsigned char                   commandreg;
  80         unsigned int                    timestamp;
  81 } __attribute__ ((packed)) ata_smart_errorlog_command_struct_t;
  82
  83 typedef struct ata_smart_errorlog_error_struct_s {
  84         unsigned char                   error_condition;
  85         unsigned char                   extended_error[14];
  86         unsigned char                   state;
  87         unsigned short                  timestamp;
  88 } __attribute__ ((packed)) ata_smart_errorlog_error_struct_t;
  89
  90 typedef struct ata_smart_errorlog_struct_s {
  91         ata_smart_errorlog_command_struct_t     commands[6];
  92         ata_smart_errorlog_error_struct_t       error_struct;
  93 } __attribute__ ((packed)) ata_smart_errorlog_struct_t;
  94
  95 typedef struct ata_smart_errorlog_s {
  96         unsigned char                   revnumber;
  97         unsigned char                   error_log_pointer;
  98         ata_smart_errorlog_struct_t     errorlog_struct[5];
  99         unsigned short                  ata_error_count;
 100         unsigned short                  non_fatal_count;
 101         unsigned short                  drive_timeout_count;
 102         unsigned char                   reserved[53];
 103         unsigned char                   chksum;
 104 } __attribute__ ((packed)) ata_smart_errorlog_t;
 105
 106 typedef struct ata_smart_selftestlog_struct_s {
 107         unsigned char                   selftestnumber;
 108         unsigned char                   selfteststatus;
 109         unsigned short                  timestamp;
 110         unsigned char                   selftestfailurecheckpoint;
 111         unsigned int                    lbafirstfailure;
 112         unsigned char                   vendorspecific[15];
 113 } __attribute__ ((packed)) ata_smart_selftestlog_struct_t;
 114
 115 typedef struct ata_smart_selftestlog_s {
 116         unsigned short                  revnumber;
 117         ata_smart_selftestlog_struct_t  selftest_struct[21];
 118         unsigned char                   vendorspecific[2];
 119         unsigned char                   mostrecenttest;
 120         unsigned char                   resevered[2];
 121         unsigned char                   chksum;
 122 } __attribute__ ((packed)) ata_smart_selftestlog_t;
 123
 124 #endif  /* _LINUX_HDSMART_H */