2 * linux/include/linux/hdsmart.h
4 * Copyright (C) 1999-2000 Michael Cornwell <cornwell@acm.org>
5 * Copyright (C) 2000 Andre Hedrick <andre@linux-ide.org>
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)
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.
17 #ifndef _LINUX_HDSMART_H
18 #define _LINUX_HDSMART_H
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
26 /* smart_attribute is the vendor specific in SFF-8035 spec */
27 typedef struct ata_smart_attribute_s
{
29 unsigned short status_flag
;
30 unsigned char normalized
;
31 unsigned char worse_normal
;
34 } __attribute__ ((packed
)) ata_smart_attribute_t
;
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];
53 } __attribute__ ((packed
)) ata_smart_values_t
;
55 /* Smart Threshold data structures */
56 /* Vendor attribute of SMART Threshold */
57 typedef struct ata_smart_threshold_entry_s
{
59 unsigned char normalized_threshold
;
60 unsigned char reserved
[10];
61 } __attribute__ ((packed
)) ata_smart_threshold_entry_t
;
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];
69 } __attribute__ ((packed
)) ata_smart_thresholds_t
;
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
;
83 typedef struct ata_smart_errorlog_error_struct_s
{
84 unsigned char error_condition
;
85 unsigned char extended_error
[14];
87 unsigned short timestamp
;
88 } __attribute__ ((packed
)) ata_smart_errorlog_error_struct_t
;
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
;
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
;
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
;
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
;
124 #endif /* _LINUX_HDSMART_H */