lib/device/device-types.h

/*
 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
 * Copyright (C) 2004-2013 Red Hat, Inc. All rights reserved.
 *
 * This file is part of LVM2.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License v.2.1.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

typedef struct {
	const char name[15];
	const int8_t max_partitions;
	const char *desc;
} dev_known_type_t;

/*
 * Devices are only checked for partition tables if their minor number
 * is a multiple of the number corresponding to their type below
 * i.e. this gives the granularity of whole-device minor numbers.
 * Use 1 if the device is not partitionable.
 *
 * The list can be supplemented with devices/types in the config file.
 */
static const dev_known_type_t _dev_known_types[] = {
	{"sd", 16, "SCSI disk"},
	{"ide", 64, "IDE disk"},
	{"md", 1, "Multiple Disk (MD/SoftRAID)"},
	{"loop", 1, "Loop device"},
	{"ramdisk", 1, "RAM disk"},
	{"device-mapper", 1, "Mapped device"},
	{"mdp", 1, "Partitionable MD"},
	{"dasd", 4, "DASD disk (IBM S/390, zSeries)"},
	{"dac960", 8, "DAC960"},
	{"nbd", 16, "Network Block Device"},
	{"ida", 16, "Compaq SMART2"},
	{"cciss", 16, "Compaq CCISS array"},
	{"ubd", 16, "User-mode virtual block device"},
	{"ataraid", 16, "ATA Raid"},
	{"drbd", 16, "Distributed Replicated Block Device (DRBD)"},
	{"emcpower", 16, "EMC Powerpath"},
	{"power2", 16, "EMC Powerpath"},
	{"i2o_block", 16, "i2o Block Disk"},
	{"iseries/vd", 8, "iSeries disks"},
	{"gnbd", 1, "Network block device"},
	{"aoe", 16, "ATA over Ethernet"},
	{"xvd", 16, "Xen virtual block device"},
	{"vdisk", 8, "SUN's LDOM virtual block device"},
	{"ps3disk", 16, "PlayStation 3 internal disk"},
	{"virtblk", 8, "VirtIO disk"},
	{"mmc", 16, "MMC block device"},
	{"blkext", 1, "Extended device partitions"},
	{"fio", 16, "Fusion IO"},
	{"mtip32xx", 16, "Micron PCIe SSD"},
	{"vtms", 16, "Violin Memory"},
	{"skd", 16, "STEC"},
	{"scm", 8, "Storage Class Memory (IBM S/390)"},
	{"bcache", 1, "bcache block device cache"},
	{"nvme", 64, "NVM Express"},
	{"zvol", 16, "ZFS Zvols"},
	{"", 0, ""}
};