ide-pio-blacklist.c

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/*
 * PIO blacklist.  Some drives incorrectly report their maximal PIO mode,
 * at least in respect to CMD640.  Here we keep info on some known drives.
 *
 * Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION
 * to avoid breaking the fragile cmd640.c support.
 */

#include <linux/string.h>

static struct ide_pio_info {
    const char  *name;
    int     pio;
} ide_pio_blacklist [] = {
    { "Conner Peripherals 540MB - CFS540A", 3 },

    { "WDC AC2700",  3 },
    { "WDC AC2540",  3 },
    { "WDC AC2420",  3 },
    { "WDC AC2340",  3 },
    { "WDC AC2250",  0 },
    { "WDC AC2200",  0 },
    { "WDC AC21200", 4 },
    { "WDC AC2120",  0 },
    { "WDC AC2850",  3 },
    { "WDC AC1270",  3 },
    { "WDC AC1170",  1 },
    { "WDC AC1210",  1 },
    { "WDC AC280",   0 },
    { "WDC AC31000", 3 },
    { "WDC AC31200", 3 },

    { "Maxtor 7131 AT", 1 },
    { "Maxtor 7171 AT", 1 },
    { "Maxtor 7213 AT", 1 },
    { "Maxtor 7245 AT", 1 },
    { "Maxtor 7345 AT", 1 },
    { "Maxtor 7546 AT", 3 },
    { "Maxtor 7540 AV", 3 },

    { "SAMSUNG SHD-3121A", 1 },
    { "SAMSUNG SHD-3122A", 1 },
    { "SAMSUNG SHD-3172A", 1 },

    { "ST5660A",  3 },
    { "ST3660A",  3 },
    { "ST3630A",  3 },
    { "ST3655A",  3 },
    { "ST3391A",  3 },
    { "ST3390A",  1 },
    { "ST3600A",  1 },
    { "ST3290A",  0 },
    { "ST3144A",  0 },
    { "ST3491A",  1 }, /* reports 3, should be 1 or 2 (depending on drive)
                  according to Seagate's FIND-ATA program */

    { "QUANTUM ELS127A", 0 },
    { "QUANTUM ELS170A", 0 },
    { "QUANTUM LPS240A", 0 },
    { "QUANTUM LPS210A", 3 },
    { "QUANTUM LPS270A", 3 },
    { "QUANTUM LPS365A", 3 },
    { "QUANTUM LPS540A", 3 },
    { "QUANTUM LIGHTNING 540A", 3 },
    { "QUANTUM LIGHTNING 730A", 3 },

    { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */
    { "QUANTUM FIREBALL_640", 3 },
    { "QUANTUM FIREBALL_1080", 3 },
    { "QUANTUM FIREBALL_1280", 3 },
    { NULL, 0 }
};

int ide_scan_pio_blacklist(char *model)
{
    struct ide_pio_info *p;

    for (p = ide_pio_blacklist; p->name != NULL; p++) {
        if (strncmp(p->name, model, strlen(p->name)) == 0)
            return p->pio;
    }
    return -1;
}