FreeBSD/Linux Kernel Cross Reference
sys/conf/majors

     # $NetBSD: majors,v 1.102 2022/08/12 11:15:42 riastradh Exp $
     #
     # Device majors for Machine-Independent drivers.
     #
     # Majors 0-143 are reserved for machine-dependent drivers and
     # for traditional machine-specific MI driver major mapping.
     #
     # Majors 144-159 are reserved for local/vendor use.
     #
    # Majors 160-511 are used for the MI drivers.
    
    device-major crypto    char 160            crypto       single
    device-major pf        char 161            pf           single
    #obsolete    vinum     char 162            vinum
    device-major fss       char 163 block 163  fss          vector=4
    device-major pps       char 164            pps
    device-major ptm       char 165            pty
    device-major atabus    char 166            atabus       vector=4
    device-major drvctl    char 167            drvctl       single
    device-major dk        char 168 block 168
    device-major tap       char 169            tap          vector=4
    device-major veriexec  char 170            veriexec
    device-major fw        char 171            ieee1394if
    device-major ucycom    char 172            ucycom
    device-major gpio      char 173            gpio         vector=8,linkzero
    device-major utoppy    char 174            utoppy       vector=2
    device-major bthub     char 175            bthub        single
    device-major amr       char 176            amr          vector=1
    device-major lockstat  char 177            lockstat     single
    device-major putter    char 178            putter
    device-major srt       char 179            srt
    device-major drm       char 180            drmbase | drmkms
    device-major bio       char 181            bio          single
    device-major altmem    char 182 block 182  altmem
    device-major twa       char 187            twa
    device-major cpuctl    char 188                         single
    device-major pad       char 189            pad          vector=4,linkzero
    device-major zfs       char 190 block 190  zfs
    device-major tprof     char 191            tprof
    device-major isv       char 192            isv
    device-major video     char 193            video        vector=4
    device-major dm        char 194 block 169  dm
    device-major hdaudio   char 195            hdaudio      vector=4
    device-major uhso      char 196            uhso
    device-major rumpblk   char 197 block 197  rumpblk
    device-major npf       char 198            npf
    device-major flash     char 199 block 199  flash
    device-major dtv       char 200            dtv
    device-major iic       char 201            iic
    # char 202, formerly filemon
    device-major iscsi     char 203            iscsi
    device-major tpm       char 204            tpm
    device-major mfi       char 205            mfi
    device-major seeprom   char 206            seeprom
    device-major dtrace    char 207            dtrace
    device-major spiflash  char 208 block 208  spiflash
    device-major lua       char 209            lua
    
    # NOTE:
    # The following ranges are reserved for devices that have historical MD
    # definition, but are for "partially" MI use.
    #
    # Any new port should use these "previously not" MI definitions instead of
    # separate MD values.
    #
    # New MI devices should go to this file instead of majors.*
    #
    # 210-219 reserved for previously not MI ws devices
    # 220-239 reserved for previously not MI usb devices
    # 240-259 reserved for previously not MI "std" devices
    # 260-269 reserved for previously not MI tty devices
    # 310-339 reserved for previously not MI storage devices
    
    device-major spkr      char 240            spkr
    
    device-major hdmicec   char 340            hdmicec
    device-major nvme      char 341            nvme
    device-major qemufwcfg char 342            qemufwcfg
    device-major autofs    char 343            autofs
    device-major gpiopps   char 344            gpiopps
    device-major nvmm      char 345            nvmm
    device-major kcov      char 346            kcov
    device-major spi       char 347            spi
    # Majors 348-350 are reserved for HAXM (pkgsrc/emulators/haxm)
    # Major 351 is reserved for sys/modules/examples
    # Major 352 is reserved for external/cddl/osnet/dev/fbt/fbt.c
    # Major 353 is reserved for external/cddl/osnet/dev/sdt/sdt.c
    device-major ipmi      char 354            ipmi
    device-major vhci      char 355            vhci
    device-major vio9p     char 356            vio9p
    device-major fault     char 357            fault
    device-major wwanc     char 358            wwanc
    device-major acpi      char 359            acpi
    device-major smbios    char 360            smbios
    device-major efi       char 361            efi
    device-major sht3xtemp char 362            sht3xtemp
    device-major scmd      char 363            scmd
    device-major viocon    char 364            viocon

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