97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* PIO blacklist. Some drives incorrectly report their maximal PIO mode,
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* at least in respect to CMD640. Here we keep info on some known drives.
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*
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* Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION
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* to avoid breaking the fragile cmd640.c support.
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*/
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#include <linux/string.h>
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#include <linux/ide.h>
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static struct ide_pio_info {
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const char *name;
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int pio;
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} ide_pio_blacklist [] = {
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{ "Conner Peripherals 540MB - CFS540A", 3 },
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{ "WDC AC2700", 3 },
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{ "WDC AC2540", 3 },
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{ "WDC AC2420", 3 },
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{ "WDC AC2340", 3 },
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{ "WDC AC2250", 0 },
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{ "WDC AC2200", 0 },
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{ "WDC AC21200", 4 },
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{ "WDC AC2120", 0 },
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{ "WDC AC2850", 3 },
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{ "WDC AC1270", 3 },
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{ "WDC AC1170", 1 },
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{ "WDC AC1210", 1 },
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{ "WDC AC280", 0 },
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{ "WDC AC31000", 3 },
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{ "WDC AC31200", 3 },
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{ "Maxtor 7131 AT", 1 },
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{ "Maxtor 7171 AT", 1 },
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{ "Maxtor 7213 AT", 1 },
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{ "Maxtor 7245 AT", 1 },
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{ "Maxtor 7345 AT", 1 },
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{ "Maxtor 7546 AT", 3 },
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{ "Maxtor 7540 AV", 3 },
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{ "SAMSUNG SHD-3121A", 1 },
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{ "SAMSUNG SHD-3122A", 1 },
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{ "SAMSUNG SHD-3172A", 1 },
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{ "ST5660A", 3 },
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{ "ST3660A", 3 },
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{ "ST3630A", 3 },
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{ "ST3655A", 3 },
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{ "ST3391A", 3 },
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{ "ST3390A", 1 },
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{ "ST3600A", 1 },
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{ "ST3290A", 0 },
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{ "ST3144A", 0 },
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{ "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on drive)
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according to Seagate's FIND-ATA program */
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{ "QUANTUM ELS127A", 0 },
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{ "QUANTUM ELS170A", 0 },
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{ "QUANTUM LPS240A", 0 },
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{ "QUANTUM LPS210A", 3 },
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{ "QUANTUM LPS270A", 3 },
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{ "QUANTUM LPS365A", 3 },
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{ "QUANTUM LPS540A", 3 },
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{ "QUANTUM LIGHTNING 540A", 3 },
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{ "QUANTUM LIGHTNING 730A", 3 },
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{ "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */
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{ "QUANTUM FIREBALL_640", 3 },
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{ "QUANTUM FIREBALL_1080", 3 },
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{ "QUANTUM FIREBALL_1280", 3 },
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{ NULL, 0 }
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};
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/**
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* ide_scan_pio_blacklist - check for a blacklisted drive
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* @model: Drive model string
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*
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* This routine searches the ide_pio_blacklist for an entry
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* matching the start/whole of the supplied model name.
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*
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* Returns -1 if no match found.
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* Otherwise returns the recommended PIO mode from ide_pio_blacklist[].
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*/
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int ide_scan_pio_blacklist(char *model)
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{
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struct ide_pio_info *p;
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for (p = ide_pio_blacklist; p->name != NULL; p++) {
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if (strncmp(p->name, model, strlen(p->name)) == 0)
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return p->pio;
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}
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return -1;
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}
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