1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _LINUX_MAJOR_H 3#define _LINUX_MAJOR_H 4 5/* 6 * This file has definitions for major device numbers. 7 * For the device number assignments, see Documentation/admin-guide/devices.rst. 8 */ 9 10#define UNNAMED_MAJOR 0 11#define MEM_MAJOR 1 12#define RAMDISK_MAJOR 1 13#define FLOPPY_MAJOR 2 14#define PTY_MASTER_MAJOR 2 15#define IDE0_MAJOR 3 16#define HD_MAJOR IDE0_MAJOR 17#define PTY_SLAVE_MAJOR 3 18#define TTY_MAJOR 4 19#define TTYAUX_MAJOR 5 20#define LP_MAJOR 6 21#define VCS_MAJOR 7 22#define LOOP_MAJOR 7 23#define SCSI_DISK0_MAJOR 8 24#define SCSI_TAPE_MAJOR 9 25#define MD_MAJOR 9 26#define MISC_MAJOR 10 27#define SCSI_CDROM_MAJOR 11 28#define MUX_MAJOR 11 /* PA-RISC only */ 29#define XT_DISK_MAJOR 13 30#define INPUT_MAJOR 13 31#define SOUND_MAJOR 14 32#define CDU31A_CDROM_MAJOR 15 33#define JOYSTICK_MAJOR 15 34#define GOLDSTAR_CDROM_MAJOR 16 35#define OPTICS_CDROM_MAJOR 17 36#define SANYO_CDROM_MAJOR 18 37#define CYCLADES_MAJOR 19 38#define CYCLADESAUX_MAJOR 20 39#define MITSUMI_X_CDROM_MAJOR 20 40#define MFM_ACORN_MAJOR 21 /* ARM Linux /dev/mfm */ 41#define SCSI_GENERIC_MAJOR 21 42#define IDE1_MAJOR 22 43#define DIGICU_MAJOR 22 44#define DIGI_MAJOR 23 45#define MITSUMI_CDROM_MAJOR 23 46#define CDU535_CDROM_MAJOR 24 47#define STL_SERIALMAJOR 24 48#define MATSUSHITA_CDROM_MAJOR 25 49#define STL_CALLOUTMAJOR 25 50#define MATSUSHITA_CDROM2_MAJOR 26 51#define QIC117_TAPE_MAJOR 27 52#define MATSUSHITA_CDROM3_MAJOR 27 53#define MATSUSHITA_CDROM4_MAJOR 28 54#define STL_SIOMEMMAJOR 28 55#define ACSI_MAJOR 28 56#define AZTECH_CDROM_MAJOR 29 57#define FB_MAJOR 29 /* /dev/fb* framebuffers */ 58#define MTD_BLOCK_MAJOR 31 59#define CM206_CDROM_MAJOR 32 60#define IDE2_MAJOR 33 61#define IDE3_MAJOR 34 62#define Z8530_MAJOR 34 63#define XPRAM_MAJOR 35 /* Expanded storage on S/390: "slow ram"*/ 64#define NETLINK_MAJOR 36 65#define PS2ESDI_MAJOR 36 66#define IDETAPE_MAJOR 37 67#define Z2RAM_MAJOR 37 68#define APBLOCK_MAJOR 38 /* AP1000 Block device */ 69#define DDV_MAJOR 39 /* AP1000 DDV block device */ 70#define NBD_MAJOR 43 /* Network block device */ 71#define RISCOM8_NORMAL_MAJOR 48 72#define DAC960_MAJOR 48 /* 48..55 */ 73#define RISCOM8_CALLOUT_MAJOR 49 74#define MKISS_MAJOR 55 75#define DSP56K_MAJOR 55 /* DSP56001 processor device */ 76 77#define IDE4_MAJOR 56 78#define IDE5_MAJOR 57 79 80#define SCSI_DISK1_MAJOR 65 81#define SCSI_DISK2_MAJOR 66 82#define SCSI_DISK3_MAJOR 67 83#define SCSI_DISK4_MAJOR 68 84#define SCSI_DISK5_MAJOR 69 85#define SCSI_DISK6_MAJOR 70 86#define SCSI_DISK7_MAJOR 71 87 88#define COMPAQ_SMART2_MAJOR 72 89#define COMPAQ_SMART2_MAJOR1 73 90#define COMPAQ_SMART2_MAJOR2 74 91#define COMPAQ_SMART2_MAJOR3 75 92#define COMPAQ_SMART2_MAJOR4 76 93#define COMPAQ_SMART2_MAJOR5 77 94#define COMPAQ_SMART2_MAJOR6 78 95#define COMPAQ_SMART2_MAJOR7 79 96 97#define SPECIALIX_NORMAL_MAJOR 75 98#define SPECIALIX_CALLOUT_MAJOR 76 99 100#define AURORA_MAJOR 79 101 102#define I2O_MAJOR 80 /* 80->87 */ 103 104#define SHMIQ_MAJOR 85 /* Linux/mips, SGI /dev/shmiq */ 105#define SCSI_CHANGER_MAJOR 86 106 107#define IDE6_MAJOR 88 108#define IDE7_MAJOR 89 109#define IDE8_MAJOR 90 110#define MTD_CHAR_MAJOR 90 111#define IDE9_MAJOR 91 112 113#define DASD_MAJOR 94 114 115#define MDISK_MAJOR 95 116 117#define UBD_MAJOR 98 118 119#define PP_MAJOR 99 120#define JSFD_MAJOR 99 121 122#define PHONE_MAJOR 100 123 124#define COMPAQ_CISS_MAJOR 104 125#define COMPAQ_CISS_MAJOR1 105 126#define COMPAQ_CISS_MAJOR2 106 127#define COMPAQ_CISS_MAJOR3 107 128#define COMPAQ_CISS_MAJOR4 108 129#define COMPAQ_CISS_MAJOR5 109 130#define COMPAQ_CISS_MAJOR6 110 131#define COMPAQ_CISS_MAJOR7 111 132 133#define VIODASD_MAJOR 112 134#define VIOCD_MAJOR 113 135 136#define ATARAID_MAJOR 114 137 138#define SCSI_DISK8_MAJOR 128 139#define SCSI_DISK9_MAJOR 129 140#define SCSI_DISK10_MAJOR 130 141#define SCSI_DISK11_MAJOR 131 142#define SCSI_DISK12_MAJOR 132 143#define SCSI_DISK13_MAJOR 133 144#define SCSI_DISK14_MAJOR 134 145#define SCSI_DISK15_MAJOR 135 146 147#define UNIX98_PTY_MASTER_MAJOR 128 148#define UNIX98_PTY_MAJOR_COUNT 8 149#define UNIX98_PTY_SLAVE_MAJOR (UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT) 150 151#define DRBD_MAJOR 147 152#define RTF_MAJOR 150 153#define RAW_MAJOR 162 154 155#define USB_ACM_MAJOR 166 156#define USB_ACM_AUX_MAJOR 167 157#define USB_CHAR_MAJOR 180 158 159#define MMC_BLOCK_MAJOR 179 160 161#define VXVM_MAJOR 199 /* VERITAS volume i/o driver */ 162#define VXSPEC_MAJOR 200 /* VERITAS volume config driver */ 163#define VXDMP_MAJOR 201 /* VERITAS volume multipath driver */ 164 165#define XENVBD_MAJOR 202 /* Xen virtual block device */ 166 167#define MSR_MAJOR 202 168#define CPUID_MAJOR 203 169 170#define OSST_MAJOR 206 /* OnStream-SCx0 SCSI tape */ 171 172#define IBM_TTY3270_MAJOR 227 173#define IBM_FS3270_MAJOR 228 174 175#define VIOTAPE_MAJOR 230 176 177#define BLOCK_EXT_MAJOR 259 178#define SCSI_OSD_MAJOR 260 /* open-osd's OSD scsi device */ 179 180#endif 181