ATA_EH_HARDRESET  320 include/linux/libata.h ATA_EH_HARDRESET	= (1 << 2), /* meaningful only in ->prereset */
ATA_EH_HARDRESET  321 include/linux/libata.h ATA_EH_RESET		= ATA_EH_SOFTRESET | ATA_EH_HARDRESET,