• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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