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    SubjectRe: SMART-ide how???
    Gadi's utility is attached.
    --
    mlord@pobox.com#include <stdio.h>
    #include <sys/types.h>
    #include <sys/stat.h>
    #include <fcntl.h>
    #include <string.h>
    #include <linux/hdreg.h>
    #include <linux/types.h>

    #define NR_ATTRIBUTES 30

    typedef struct threshold_s {
    __u8 id;
    __u8 threshold;
    __u8 reserved[10];
    } __attribute__ ((packed)) threshold_t;

    typedef struct thresholds_s {
    __u16 revision;
    threshold_t thresholds[NR_ATTRIBUTES];
    __u8 reserved[18];
    __u8 vendor[131];
    __u8 checksum;
    } __attribute__ ((packed)) thresholds_t;

    typedef struct value_s {
    __u8 id;
    __u16 status;
    __u8 value;
    __u8 vendor[8];
    } __attribute__ ((packed)) value_t;

    typedef struct values_s {
    __u16 revision;
    value_t values[NR_ATTRIBUTES];
    __u8 offline_status;
    __u8 vendor1;
    __u16 offline_timeout;
    __u8 vendor2;
    __u8 offline_capability;
    __u16 smart_capability;
    __u8 reserved[16];
    __u8 vendor[125];
    __u8 checksum;
    } __attribute__ ((packed)) values_t;

    #define NR_OFFLINE_TEXTS 5
    struct {
    __u8 value;
    char *text;
    } offline_status_text[NR_OFFLINE_TEXTS] = {
    { 0x00, "NeverStarted" },
    { 0x02, "Completed" },
    { 0x04, "Suspended" },
    { 0x05, "Aborted" },
    { 0x06, "Failed" }
    };

    int fd;
    values_t values;
    thresholds_t thresholds;

    static char *get_offline_text(int status)
    {
    int i;

    for (i = 0; i < NR_OFFLINE_TEXTS; i++)
    if (offline_status_text[i].value == status)
    return offline_status_text[i].text;
    return "unknown";
    }

    static void smart_read_values(void)
    {
    __u8 args[4 + 512] = {WIN_SMART, 0, SMART_READ_VALUES, 1, };

    if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
    perror(" couldn't read values");
    return;
    }
    memcpy(&values, args + 4, 512);
    }

    static void print_value(value_t *p, threshold_t *t)
    {
    if (!p->id || !t->id || p->id != t->id)
    return;
    printf("Id=%3d, Status=%2d {%s , %s}, Value=%3d, Threshold=%3d, %s\n", p->id, p->status,
    p->status & 1 ? "PreFailture" : "Advisory ",
    p->status & 2 ? "OnLine " : "OffLine",
    p->value, t->threshold,
    p->value > t->threshold ? "Passed" : "Failed");
    }

    static void print_values(values_t *p, thresholds_t *t)
    {
    value_t *value = p->values;
    threshold_t *threshold = t->thresholds;
    int i;

    printf("\n");
    for (i = 0; i < NR_ATTRIBUTES; i++)
    print_value(value++, threshold++);
    printf("OffLineStatus=%d {%s}, AutoOffLine=%s, OffLineTimeout=%d minutes\n",
    p->offline_status, get_offline_text(p->offline_status & 0x7f),
    p->offline_status & 0x80 ? "Yes" : "No",
    p->offline_timeout / 60);
    printf("OffLineCapability=%d {%s %s %s}\n", p->offline_capability,
    p->offline_capability & 1 ? "Immediate" : "",
    p->offline_capability & 2 ? "Auto" : "",
    p->offline_capability & 4 ? "AbortOnCmd" : "SuspendOnCmd");
    printf("SmartRevision=%d, CheckSum=%d, SmartCapability=%d {%s %s}\n",
    p->revision, p->checksum, p->smart_capability,
    p->smart_capability & 1 ? "SaveOnStandBy" : "",
    p->smart_capability & 2 ? "AutoSave" : "");
    printf("\n");
    }

    static void print_threshold(threshold_t *p)
    {
    if (!p->id)
    return;
    printf("Id=%3d, Threshold=%3d\n", p->id, p->threshold);
    }

    static void print_thresholds(thresholds_t *p)
    {
    threshold_t *threshold = p->thresholds;
    int i;

    printf("\n");
    printf("SmartRevision=%d\n", p->revision);
    for (i = 0; i < NR_ATTRIBUTES; i++)
    print_threshold(threshold++);
    printf("CheckSum=%d\n", p->checksum);
    printf("\n");
    }

    static void smart_read_thresholds(void)
    {
    __u8 args[4 + 512] = {WIN_SMART, 0, SMART_READ_THRESHOLDS, 1, };

    if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
    perror(" SMART_READ_THRESHOLDS failed");
    return;
    }
    memcpy(&thresholds, args + 4, 512);
    }

    static void smart_disable(void)
    {
    __u8 args[4] = {WIN_SMART, 0, SMART_DISABLE, 0};

    if (ioctl(fd, HDIO_DRIVE_CMD, &args))
    perror(" SMART_DISABLE failed");
    }

    static void smart_enable(void)
    {
    __u8 args[4] = {WIN_SMART, 0, SMART_ENABLE, 0};

    if (ioctl(fd, HDIO_DRIVE_CMD, &args))
    perror(" SMART_ENABLE failed");
    }

    static void smart_offline_immediate(void)
    {
    __u8 args[4] = {WIN_SMART, 0, SMART_IMMEDIATE_OFFLINE, 0};

    if (ioctl(fd, HDIO_DRIVE_CMD, &args))
    perror(" SMART_IMMEDIATE_OFFLINE falied");

    }

    int main(int argc, char *argv[])
    {
    if (argc != 2) {
    printf("usage: ide-smart device\n");
    return 0;
    }
    if ((fd = open(argv[1], O_RDONLY)) == -1) {
    perror("couldn't open device");
    return 0;
    }
    smart_enable();
    #if 1
    smart_offline_immediate();
    #endif
    smart_read_values();
    smart_read_thresholds();
    print_values(&values, &thresholds);
    close(fd);
    return 0;
    }

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      Last update: 2005-03-22 13:43    [W:0.048 / U:0.276 seconds]
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