1#ifndef _LINUX_MAJOR_H 2#define _LINUX_MAJOR_H 3 4/* 5 * This file has definitions for major device numbers. 6 * For the device number assignments, see Documentation/devices.txt. 7 */ 8 9/* limits */ 10 11/* 12 * Important: Don't change this to 256. Major number 255 is and must be 13 * reserved for future expansion into a larger dev_t space. 14 */ 15#define MAX_CHRDEV 255 16#define MAX_BLKDEV 255 17 18#define UNNAMED_MAJOR 0 19#define MEM_MAJOR 1 20#define RAMDISK_MAJOR 1 21#define FLOPPY_MAJOR 2 22#define PTY_MASTER_MAJOR 2 23#define IDE0_MAJOR 3 24#define PTY_SLAVE_MAJOR 3 25#define HD_MAJOR IDE0_MAJOR 26#define TTY_MAJOR 4 27#define TTYAUX_MAJOR 5 28#define LP_MAJOR 6 29#define VCS_MAJOR 7 30#define LOOP_MAJOR 7 31#define SCSI_DISK0_MAJOR 8 32#define SCSI_TAPE_MAJOR 9 33#define MD_MAJOR 9 34#define MISC_MAJOR 10 35#define SCSI_CDROM_MAJOR 11 36#define QIC02_TAPE_MAJOR 12 37#define XT_DISK_MAJOR 13 38#define SOUND_MAJOR 14 39#define CDU31A_CDROM_MAJOR 15 40#define JOYSTICK_MAJOR 15 41#define GOLDSTAR_CDROM_MAJOR 16 42#define OPTICS_CDROM_MAJOR 17 43#define SANYO_CDROM_MAJOR 18 44#define CYCLADES_MAJOR 19 45#define CYCLADESAUX_MAJOR 20 46#define MITSUMI_X_CDROM_MAJOR 20 47#define MFM_ACORN_MAJOR 21 /* ARM Linux /dev/mfm */ 48#define SCSI_GENERIC_MAJOR 21 49#define Z8530_MAJOR 34 50#define DIGI_MAJOR 23 51#define IDE1_MAJOR 22 52#define DIGICU_MAJOR 22 53#define MITSUMI_CDROM_MAJOR 23 54#define CDU535_CDROM_MAJOR 24 55#define STL_SERIALMAJOR 24 56#define MATSUSHITA_CDROM_MAJOR 25 57#define STL_CALLOUTMAJOR 25 58#define MATSUSHITA_CDROM2_MAJOR 26 59#define QIC117_TAPE_MAJOR 27 60#define MATSUSHITA_CDROM3_MAJOR 27 61#define MATSUSHITA_CDROM4_MAJOR 28 62#define STL_SIOMEMMAJOR 28 63#define ACSI_MAJOR 28 64#define AZTECH_CDROM_MAJOR 29 65#define GRAPHDEV_MAJOR 29 /* SparcLinux & Linux/68k /dev/fb */ 66#define SHMIQ_MAJOR 85 /* Linux/mips, SGI /dev/shmiq */ 67#define CM206_CDROM_MAJOR 32 68#define IDE2_MAJOR 33 69#define IDE3_MAJOR 34 70#define XPRAM_MAJOR 35 /* expanded storage on S/390 = "slow ram" */ 71 /* proposed by Peter */ 72#define NETLINK_MAJOR 36 73#define PS2ESDI_MAJOR 36 74#define IDETAPE_MAJOR 37 75#define Z2RAM_MAJOR 37 76#define APBLOCK_MAJOR 38 /* AP1000 Block device */ 77#define DDV_MAJOR 39 /* AP1000 DDV block device */ 78#define NBD_MAJOR 43 /* Network block device */ 79#define RISCOM8_NORMAL_MAJOR 48 80#define DAC960_MAJOR 48 /* 48..55 */ 81#define RISCOM8_CALLOUT_MAJOR 49 82#define MKISS_MAJOR 55 83#define DSP56K_MAJOR 55 /* DSP56001 processor device */ 84 85#define IDE4_MAJOR 56 86#define IDE5_MAJOR 57 87 88#define LVM_BLK_MAJOR 58 /* Logical Volume Manager */ 89 90#define SCSI_DISK1_MAJOR 65 91#define SCSI_DISK2_MAJOR 66 92#define SCSI_DISK3_MAJOR 67 93#define SCSI_DISK4_MAJOR 68 94#define SCSI_DISK5_MAJOR 69 95#define SCSI_DISK6_MAJOR 70 96#define SCSI_DISK7_MAJOR 71 97 98 99#define COMPAQ_SMART2_MAJOR 72 100#define COMPAQ_SMART2_MAJOR1 73 101#define COMPAQ_SMART2_MAJOR2 74 102#define COMPAQ_SMART2_MAJOR3 75 103#define COMPAQ_SMART2_MAJOR4 76 104#define COMPAQ_SMART2_MAJOR5 77 105#define COMPAQ_SMART2_MAJOR6 78 106#define COMPAQ_SMART2_MAJOR7 79 107 108#define SPECIALIX_NORMAL_MAJOR 75 109#define SPECIALIX_CALLOUT_MAJOR 76 110 111#define COMPAQ_CISS_MAJOR 104 112#define COMPAQ_CISS_MAJOR1 105 113#define COMPAQ_CISS_MAJOR2 106 114#define COMPAQ_CISS_MAJOR3 107 115#define COMPAQ_CISS_MAJOR4 108 116#define COMPAQ_CISS_MAJOR5 109 117#define COMPAQ_CISS_MAJOR6 110 118#define COMPAQ_CISS_MAJOR7 111 119 120#define ATARAID_MAJOR 114 121 122#define DASD_MAJOR 94 /* Official assignations from Peter */ 123 124#define MDISK_MAJOR 95 /* Official assignations from Peter */ 125 126#define I2O_MAJOR 80 /* 80->87 */ 127 128#define IDE6_MAJOR 88 129#define IDE7_MAJOR 89 130#define IDE8_MAJOR 90 131#define IDE9_MAJOR 91 132 133#define UBD_MAJOR 98 134 135#define AURORA_MAJOR 79 136 137#define JSFD_MAJOR 99 138 139#define PHONE_MAJOR 100 140#define FLASH_MAJOR 101 141 142#define LVM_CHAR_MAJOR 109 /* Logical Volume Manager */ 143 144#define UMEM_MAJOR 116 /* http://www.umem.com/ Battery Backed RAM */ 145 146#define RTF_MAJOR 150 147#define RAW_MAJOR 162 148 149#define USB_ACM_MAJOR 166 150#define USB_ACM_AUX_MAJOR 167 151#define USB_CHAR_MAJOR 180 152 153#define UNIX98_PTY_MASTER_MAJOR 128 154#define UNIX98_PTY_MAJOR_COUNT 8 155#define UNIX98_PTY_SLAVE_MAJOR (UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT) 156 157#define KERNPROF_MAJOR 192 158 159#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 MSR_MAJOR 202 164#define CPUID_MAJOR 203 165 166#define OSST_MAJOR 206 /* OnStream-SCx0 SCSI tape */ 167 168#define IBM_TTY3270_MAJOR 227 /* Official allocations now */ 169#define IBM_FS3270_MAJOR 228 170 171/* 172 * Tests for SCSI devices. 173 */ 174 175#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \ 176 ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR)) 177 178#define SCSI_BLK_MAJOR(M) \ 179 (SCSI_DISK_MAJOR(M) \ 180 || (M) == SCSI_CDROM_MAJOR) 181 182static __inline__ int scsi_blk_major(int m) { 183 return SCSI_BLK_MAJOR(m); 184} 185 186/* 187 * Tests for IDE devices 188 */ 189#define IDE_DISK_MAJOR(M) ((M) == IDE0_MAJOR || (M) == IDE1_MAJOR || \ 190 (M) == IDE2_MAJOR || (M) == IDE3_MAJOR || \ 191 (M) == IDE4_MAJOR || (M) == IDE5_MAJOR || \ 192 (M) == IDE6_MAJOR || (M) == IDE7_MAJOR || \ 193 (M) == IDE8_MAJOR || (M) == IDE9_MAJOR) 194 195static __inline__ int ide_blk_major(int m) 196{ 197 return IDE_DISK_MAJOR(m); 198} 199 200#endif 201