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