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