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 */
27typedef 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 */
37typedef 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 */
57typedef 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 */
64typedef 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
71typedef 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
83typedef 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
90typedef 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
95typedef 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
106typedef 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
115typedef 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