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