1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
3 #ifndef fooatasmarthfoo
4 #define fooatasmarthfoo
7 This file is part of libatasmart.
9 Copyright 2008 Lennart Poettering
11 libatasmart is free software; you can redistribute it and/or modify
12 it under the terms of the GNU Lesser General Public License as
13 published by the Free Software Foundation, either version 2.1 of the
14 License, or (at your option) any later version.
16 libatasmart is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Lesser General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public
22 License along with libatasmart. If not, If not, see
23 <http://www.gnu.org/licenses/>.
28 /* Please note that all enums defined here may be extended at any time
29 * without this being considered an ABI change. So take care when
30 * using them as indexes! */
36 typedef unsigned SkBool;
46 /* ATA SMART test type (ATA8 7.52.5.2) */
47 typedef enum SkSmartSelfTest {
48 SK_SMART_SELF_TEST_SHORT = 1,
49 SK_SMART_SELF_TEST_EXTENDED = 2,
50 SK_SMART_SELF_TEST_CONVEYANCE = 3,
51 SK_SMART_SELF_TEST_ABORT = 127
53 /* This enum may be extended at any time without this being
54 * considered an ABI change. So take care when you use this
58 const char* sk_smart_self_test_to_string(SkSmartSelfTest test);
60 typedef struct SkIdentifyParsedData {
65 /* This structure may be extended at any time without this being
66 * considered an ABI change. So take care when you copy it. */
67 } SkIdentifyParsedData;
69 typedef enum SkSmartOfflineDataCollectionStatus {
70 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_NEVER,
71 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUCCESS,
72 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_INPROGRESS,
73 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUSPENDED,
74 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_ABORTED,
75 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_FATAL,
76 SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_UNKNOWN,
77 _SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_MAX
79 /* This enum may be extended at any time without this being
80 * considered an ABI change. So take care when you use this
82 } SkSmartOfflineDataCollectionStatus;
84 const char* sk_smart_offline_data_collection_status_to_string(SkSmartOfflineDataCollectionStatus status);
86 typedef enum SkSmartSelfTestExecutionStatus {
87 SK_SMART_SELF_TEST_EXECUTION_STATUS_SUCCESS_OR_NEVER = 0,
88 SK_SMART_SELF_TEST_EXECUTION_STATUS_ABORTED = 1,
89 SK_SMART_SELF_TEST_EXECUTION_STATUS_INTERRUPTED = 2,
90 SK_SMART_SELF_TEST_EXECUTION_STATUS_FATAL = 3,
91 SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_UNKNOWN = 4,
92 SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_ELECTRICAL = 5,
93 SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_SERVO = 6,
94 SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_READ = 7,
95 SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_HANDLING = 8,
96 SK_SMART_SELF_TEST_EXECUTION_STATUS_INPROGRESS = 15,
97 _SK_SMART_SELF_TEST_EXECUTION_STATUS_MAX
99 /* This enum may be extended at any time without this being
100 * considered an ABI change. So take care when you use this
102 } SkSmartSelfTestExecutionStatus;
104 const char *sk_smart_self_test_execution_status_to_string(SkSmartSelfTestExecutionStatus status);
106 typedef struct SkSmartParsedData {
108 SkSmartOfflineDataCollectionStatus offline_data_collection_status;
109 unsigned total_offline_data_collection_seconds;
110 SkSmartSelfTestExecutionStatus self_test_execution_status;
111 unsigned self_test_execution_percent_remaining;
114 SkBool short_and_extended_test_available:1;
115 SkBool conveyance_test_available:1;
116 SkBool start_test_available:1;
117 SkBool abort_test_available:1;
119 unsigned short_test_polling_minutes;
120 unsigned extended_test_polling_minutes;
121 unsigned conveyance_test_polling_minutes;
123 /* This structure may be extended at any time without this being
124 * considered an ABI change. So take care when you copy it. */
127 SkBool sk_smart_self_test_available(const SkSmartParsedData *d, SkSmartSelfTest test);
128 unsigned sk_smart_self_test_polling_minutes(const SkSmartParsedData *d, SkSmartSelfTest test);
130 typedef enum SkSmartAttributeUnit {
131 SK_SMART_ATTRIBUTE_UNIT_UNKNOWN,
132 SK_SMART_ATTRIBUTE_UNIT_NONE,
133 SK_SMART_ATTRIBUTE_UNIT_MSECONDS, /* milliseconds */
134 SK_SMART_ATTRIBUTE_UNIT_SECTORS,
135 SK_SMART_ATTRIBUTE_UNIT_MKELVIN, /* millikelvin */
136 _SK_SMART_ATTRIBUTE_UNIT_MAX
138 /* This enum may be extended at any time without this being
139 * considered an ABI change. So take care when you use this
141 } SkSmartAttributeUnit;
143 const char* sk_smart_attribute_unit_to_string(SkSmartAttributeUnit unit);
145 typedef struct SkSmartAttributeParsedData {
149 SkSmartAttributeUnit pretty_unit; /* for pretty_value */
154 SkBool threshold_valid:1;
160 SkBool good_now:1, good_now_valid:1;
161 SkBool good_in_the_past:1, good_in_the_past_valid:1;
162 SkBool current_value_valid:1, worst_value_valid:1;
164 uint8_t current_value, worst_value;
165 uint64_t pretty_value;
168 /* This structure may be extended at any time without this being
169 * considered an ABI change. So take care when you copy it. */
170 } SkSmartAttributeParsedData;
172 typedef struct SkDisk SkDisk;
174 typedef enum SkSmartOverall {
175 SK_SMART_OVERALL_GOOD,
176 SK_SMART_OVERALL_BAD_ATTRIBUTE_IN_THE_PAST, /* At least one pre-fail attribute exceeded its threshold in the past */
177 SK_SMART_OVERALL_BAD_SECTOR, /* At least one bad sector */
178 SK_SMART_OVERALL_BAD_ATTRIBUTE_NOW, /* At least one pre-fail attribute is exceeding its threshold now */
179 SK_SMART_OVERALL_BAD_SECTOR_MANY, /* Many bad sectors */
180 SK_SMART_OVERALL_BAD_STATUS, /* Smart Self Assessment negative */
181 _SK_SMART_OVERALL_MAX
183 /* This enum may be extended at any time without this being
184 * considered an ABI change. So take care when you use this
188 const char* sk_smart_overall_to_string(SkSmartOverall overall);
190 int sk_disk_open(const char *name, SkDisk **d);
192 int sk_disk_get_size(SkDisk *d, uint64_t *bytes);
194 int sk_disk_check_sleep_mode(SkDisk *d, SkBool *awake);
196 int sk_disk_identify_is_available(SkDisk *d, SkBool *available);
197 int sk_disk_identify_parse(SkDisk *d, const SkIdentifyParsedData **data);
199 typedef void (*SkSmartAttributeParseCallback)(SkDisk *d, const SkSmartAttributeParsedData *a, void* userdata);
201 int sk_disk_smart_is_available(SkDisk *d, SkBool *available);
202 int sk_disk_smart_status(SkDisk *d, SkBool *good);
204 /* Reading SMART data might cause the disk to wake up from
205 * sleep. Hence from monitoring daemons make sure to call
206 * sk_disk_check_power_mode() to check wether the disk is sleeping and
207 * skip the read if so. */
208 int sk_disk_smart_read_data(SkDisk *d);
210 int sk_disk_get_blob(SkDisk *d, const void **blob, size_t *size);
211 int sk_disk_set_blob(SkDisk *d, const void *blob, size_t size);
213 int sk_disk_smart_parse(SkDisk *d, const SkSmartParsedData **data);
214 int sk_disk_smart_parse_attributes(SkDisk *d, SkSmartAttributeParseCallback cb, void* userdata);
215 int sk_disk_smart_self_test(SkDisk *d, SkSmartSelfTest test);
217 /* High level API to get the power on time */
218 int sk_disk_smart_get_power_on(SkDisk *d, uint64_t *mseconds);
220 /* High level API to get the power cycle count */
221 int sk_disk_smart_get_power_cycle(SkDisk *d, uint64_t *count);
223 /* High level API to get the number of bad sectors (i.e. pending and reallocated) */
224 int sk_disk_smart_get_bad(SkDisk *d, uint64_t *sectors);
226 /* High level API to get the temperature */
227 int sk_disk_smart_get_temperature(SkDisk *d, uint64_t *mkelvin);
229 /* Get overall status. This integrates the values of a couple of fields into a single overall status */
230 int sk_disk_smart_get_overall(SkDisk *d, SkSmartOverall *overall);
232 /* Dump the current parsed status to STDOUT */
233 int sk_disk_dump(SkDisk *d);
235 void sk_disk_free(SkDisk *d);