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 */
125
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