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/*
 * linux/include/linux/hdsmart.h
 *
 * Copyright (C) 1999-2000      Michael Cornwell <cornwell@acm.org>
 * Copyright (C) 2000           Andre Hedrick <andre@linux-ide.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example /usr/src/linux/COPYING); if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef _LINUX_HDSMART_H
#define _LINUX_HDSMART_H

#define OFFLINE_FULL_SCAN               0
#define SHORT_SELF_TEST                 1
#define EXTEND_SELF_TEST                2
#define SHORT_CAPTIVE_SELF_TEST         129
#define EXTEND_CAPTIVE_SELF_TEST        130

/* smart_attribute is the vendor specific in SFF-8035 spec */
typedef struct ata_smart_attribute_s {
        unsigned char                   id;
        unsigned short                  status_flag;
        unsigned char                   normalized;
        unsigned char                   worse_normal;
        unsigned char                   raw[6];
        unsigned char                   reserv;
} __attribute__ ((packed)) ata_smart_attribute_t;

/* smart_values is format of the read drive Atrribute command */
typedef struct ata_smart_values_s {
        unsigned short                  revnumber;
        ata_smart_attribute_t           vendor_attributes [30];
        unsigned char                   offline_data_collection_status;
        unsigned char                   self_test_exec_status;
        unsigned short                  total_time_to_complete_off_line;
        unsigned char                   vendor_specific_366;
        unsigned char                   offline_data_collection_capability;
        unsigned short                  smart_capability;
        unsigned char                   errorlog_capability;
        unsigned char                   vendor_specific_371;
        unsigned char                   short_test_completion_time;
        unsigned char                   extend_test_completion_time;
        unsigned char                   reserved_374_385 [12];
        unsigned char                   vendor_specific_386_509 [125];
        unsigned char                   chksum;
} __attribute__ ((packed)) ata_smart_values_t;

/* Smart Threshold data structures */
/* Vendor attribute of SMART Threshold */
typedef struct ata_smart_threshold_entry_s {
        unsigned char                   id;
        unsigned char                   normalized_threshold;
        unsigned char                   reserved[10];
} __attribute__ ((packed)) ata_smart_threshold_entry_t;

/* Format of Read SMART THreshold Command */
typedef struct ata_smart_thresholds_s {
        unsigned short                  revnumber;
        ata_smart_threshold_entry_t     thres_entries[30];
        unsigned char                   reserved[149];
        unsigned char                   chksum;
} __attribute__ ((packed)) ata_smart_thresholds_t;

typedef struct ata_smart_errorlog_command_struct_s {
        unsigned char                   devicecontrolreg;
        unsigned char                   featuresreg;
        unsigned char                   sector_count;
        unsigned char                   sector_number;
        unsigned char                   cylinder_low;
        unsigned char                   cylinder_high;
        unsigned char                   drive_head;
        unsigned char                   commandreg;
        unsigned int                    timestamp;
} __attribute__ ((packed)) ata_smart_errorlog_command_struct_t;

typedef struct ata_smart_errorlog_error_struct_s {
        unsigned char                   error_condition;
        unsigned char                   extended_error[14];
        unsigned char                   state;
        unsigned short                  timestamp;
} __attribute__ ((packed)) ata_smart_errorlog_error_struct_t;

typedef struct ata_smart_errorlog_struct_s {
        ata_smart_errorlog_command_struct_t     commands[6];
        ata_smart_errorlog_error_struct_t       error_struct;
} __attribute__ ((packed)) ata_smart_errorlog_struct_t;

typedef struct ata_smart_errorlog_s {
        unsigned char                   revnumber;
        unsigned char                   error_log_pointer;
        ata_smart_errorlog_struct_t     errorlog_struct[5];
        unsigned short                  ata_error_count;
        unsigned short                  non_fatal_count;
        unsigned short                  drive_timeout_count;
        unsigned char                   reserved[53];
        unsigned char                   chksum;
} __attribute__ ((packed)) ata_smart_errorlog_t;

typedef struct ata_smart_selftestlog_struct_s {
        unsigned char                   selftestnumber;
        unsigned char                   selfteststatus;
        unsigned short                  timestamp;
        unsigned char                   selftestfailurecheckpoint;
        unsigned int                    lbafirstfailure;
        unsigned char                   vendorspecific[15];
} __attribute__ ((packed)) ata_smart_selftestlog_struct_t;

typedef struct ata_smart_selftestlog_s {
        unsigned short                  revnumber;
        ata_smart_selftestlog_struct_t  selftest_struct[21];
        unsigned char                   vendorspecific[2];
        unsigned char                   mostrecenttest;
        unsigned char                   resevered[2];
        unsigned char                   chksum;
} __attribute__ ((packed)) ata_smart_selftestlog_t;

#endif  /* _LINUX_HDSMART_H */