355 lines
12 KiB
C
355 lines
12 KiB
C
/* devices.h
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Copyright 2002, 2003, 2004, 2005, 2007, 2009, 2010, 2011 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _DEVICES_H
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#define _DEVICES_H
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typedef unsigned short _major_t;
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typedef unsigned short _minor_t;
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typedef mode_t _mode_t;
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typedef __dev32_t _dev_t;
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#define FHDEV(maj, min) ((((unsigned) (maj)) << (sizeof (_major_t) * 8)) | (unsigned) (min))
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#define _minor(dev) ((dev) & ((1 << (sizeof (_minor_t) * 8)) - 1))
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#define _major(dev) ((dev) >> (sizeof (_major_t) * 8))
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#define MAX_CONSOLES 31
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enum fh_devices
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{
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FH_TTY = FHDEV (5, 0),
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FH_CONSOLE = FHDEV (5, 1),
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FH_PTYM = FHDEV (5, 2), /* /dev/ptmx */
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FH_CONIN = FHDEV (5, 255),
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FH_CONOUT = FHDEV (5, 254),
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DEV_CONS_MAJOR = 3,
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FH_CONS = FHDEV (DEV_CONS_MAJOR, 0),
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FH_CONS_MAX = FHDEV (DEV_CONS_MAJOR, MAX_CONSOLES),
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DEV_TTYM_MAJOR = 128,
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FH_TTYM = FHDEV (DEV_TTYM_MAJOR, 0),
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FH_TTYM_MAX= FHDEV (DEV_TTYM_MAJOR, 255),
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DEV_TTYS_MAJOR = 136,
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FH_TTYS = FHDEV (DEV_TTYS_MAJOR, 0), /* FIXME: Should separate ttys and ptys */
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FH_TTYS_MAX= FHDEV (DEV_TTYS_MAJOR, 255), /* FIXME: Should separate ttys and ptys */
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DEV_SERIAL_MAJOR = 117,
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FH_SERIAL = FHDEV (117, 0), /* /dev/ttyS? */
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FH_WINDOWS = FHDEV (13, 255),
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FH_CLIPBOARD=FHDEV (13, 254),
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/* begin /proc directories */
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FH_PROC_MIN_MINOR = FHDEV (0, 200),
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FH_PROCSYSVIPC = FHDEV (0, 249),
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FH_PROCSYS = FHDEV (0, 250),
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FH_PROCESSFD = FHDEV (0, 251),
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FH_PROCNET = FHDEV (0, 252),
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FH_REGISTRY= FHDEV (0, 253),
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FH_PROCESS = FHDEV (0, 254),
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FH_PROC = FHDEV (0, 255),
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FH_PROC_MAX_MINOR = FHDEV (0, 255),
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/* end /proc directories */
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FH_PIPE = FHDEV (0, 199),
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FH_PIPER = FHDEV (0, 198),
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FH_PIPEW = FHDEV (0, 197),
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FH_FIFO = FHDEV (0, 196),
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FH_FS = FHDEV (0, 195), /* filesystem based device */
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FH_NETDRIVE= FHDEV (0, 194),
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FH_DEV = FHDEV (0, 193),
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DEV_FLOPPY_MAJOR = 2,
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FH_FLOPPY = FHDEV (DEV_FLOPPY_MAJOR, 0),
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DEV_CDROM_MAJOR = 11,
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FH_CDROM = FHDEV (DEV_CDROM_MAJOR, 0),
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DEV_TAPE_MAJOR = 9,
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FH_TAPE = FHDEV (DEV_TAPE_MAJOR, 0),
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FH_NTAPE = FHDEV (DEV_TAPE_MAJOR, 128),
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FH_MAXNTAPE= FHDEV (DEV_TAPE_MAJOR, 255),
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DEV_SD_MAJOR = 8,
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DEV_SD1_MAJOR = 65,
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DEV_SD2_MAJOR = 66,
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DEV_SD3_MAJOR = 67,
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DEV_SD4_MAJOR = 68,
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DEV_SD5_MAJOR = 69,
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DEV_SD6_MAJOR = 70,
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DEV_SD7_MAJOR = 71,
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FH_SD = FHDEV (DEV_SD_MAJOR, 0),
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FH_SD1 = FHDEV (DEV_SD1_MAJOR, 0),
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FH_SD2 = FHDEV (DEV_SD2_MAJOR, 0),
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FH_SD3 = FHDEV (DEV_SD3_MAJOR, 0),
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FH_SD4 = FHDEV (DEV_SD4_MAJOR, 0),
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FH_SD5 = FHDEV (DEV_SD5_MAJOR, 0),
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FH_SD6 = FHDEV (DEV_SD6_MAJOR, 0),
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FH_SD7 = FHDEV (DEV_SD7_MAJOR, 0),
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FH_SDA = FHDEV (DEV_SD_MAJOR, 0),
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FH_SDB = FHDEV (DEV_SD_MAJOR, 16),
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FH_SDC = FHDEV (DEV_SD_MAJOR, 32),
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FH_SDD = FHDEV (DEV_SD_MAJOR, 48),
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FH_SDE = FHDEV (DEV_SD_MAJOR, 64),
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FH_SDF = FHDEV (DEV_SD_MAJOR, 80),
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FH_SDG = FHDEV (DEV_SD_MAJOR, 96),
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FH_SDH = FHDEV (DEV_SD_MAJOR, 112),
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FH_SDI = FHDEV (DEV_SD_MAJOR, 128),
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FH_SDJ = FHDEV (DEV_SD_MAJOR, 144),
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FH_SDK = FHDEV (DEV_SD_MAJOR, 160),
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FH_SDL = FHDEV (DEV_SD_MAJOR, 176),
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FH_SDM = FHDEV (DEV_SD_MAJOR, 192),
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FH_SDN = FHDEV (DEV_SD_MAJOR, 208),
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FH_SDO = FHDEV (DEV_SD_MAJOR, 224),
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FH_SDP = FHDEV (DEV_SD_MAJOR, 240),
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FH_SDQ = FHDEV (DEV_SD1_MAJOR, 0),
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FH_SDR = FHDEV (DEV_SD1_MAJOR, 16),
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FH_SDS = FHDEV (DEV_SD1_MAJOR, 32),
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FH_SDT = FHDEV (DEV_SD1_MAJOR, 48),
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FH_SDU = FHDEV (DEV_SD1_MAJOR, 64),
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FH_SDV = FHDEV (DEV_SD1_MAJOR, 80),
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FH_SDW = FHDEV (DEV_SD1_MAJOR, 96),
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FH_SDX = FHDEV (DEV_SD1_MAJOR, 112),
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FH_SDY = FHDEV (DEV_SD1_MAJOR, 128),
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FH_SDZ = FHDEV (DEV_SD1_MAJOR, 144),
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FH_SDAA = FHDEV (DEV_SD1_MAJOR, 160),
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FH_SDAB = FHDEV (DEV_SD1_MAJOR, 176),
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FH_SDAC = FHDEV (DEV_SD1_MAJOR, 192),
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FH_SDAD = FHDEV (DEV_SD1_MAJOR, 208),
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FH_SDAE = FHDEV (DEV_SD1_MAJOR, 224),
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FH_SDAF = FHDEV (DEV_SD1_MAJOR, 240),
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FH_SDAG = FHDEV (DEV_SD2_MAJOR, 0),
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FH_SDAH = FHDEV (DEV_SD2_MAJOR, 16),
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FH_SDAI = FHDEV (DEV_SD2_MAJOR, 32),
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FH_SDAJ = FHDEV (DEV_SD2_MAJOR, 48),
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FH_SDAK = FHDEV (DEV_SD2_MAJOR, 64),
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FH_SDAL = FHDEV (DEV_SD2_MAJOR, 80),
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FH_SDAM = FHDEV (DEV_SD2_MAJOR, 96),
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FH_SDAN = FHDEV (DEV_SD2_MAJOR, 112),
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FH_SDAO = FHDEV (DEV_SD2_MAJOR, 128),
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FH_SDAP = FHDEV (DEV_SD2_MAJOR, 144),
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FH_SDAQ = FHDEV (DEV_SD2_MAJOR, 160),
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FH_SDAR = FHDEV (DEV_SD2_MAJOR, 176),
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FH_SDAS = FHDEV (DEV_SD2_MAJOR, 192),
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FH_SDAT = FHDEV (DEV_SD2_MAJOR, 208),
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FH_SDAU = FHDEV (DEV_SD2_MAJOR, 224),
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FH_SDAV = FHDEV (DEV_SD2_MAJOR, 240),
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FH_SDAW = FHDEV (DEV_SD3_MAJOR, 0),
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FH_SDAX = FHDEV (DEV_SD3_MAJOR, 16),
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FH_SDAY = FHDEV (DEV_SD3_MAJOR, 32),
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FH_SDAZ = FHDEV (DEV_SD3_MAJOR, 48),
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FH_SDBA = FHDEV (DEV_SD3_MAJOR, 64),
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FH_SDBB = FHDEV (DEV_SD3_MAJOR, 80),
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FH_SDBC = FHDEV (DEV_SD3_MAJOR, 96),
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FH_SDBD = FHDEV (DEV_SD3_MAJOR, 112),
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FH_SDBE = FHDEV (DEV_SD3_MAJOR, 128),
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FH_SDBF = FHDEV (DEV_SD3_MAJOR, 144),
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FH_SDBG = FHDEV (DEV_SD3_MAJOR, 160),
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FH_SDBH = FHDEV (DEV_SD3_MAJOR, 176),
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FH_SDBI = FHDEV (DEV_SD3_MAJOR, 192),
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FH_SDBJ = FHDEV (DEV_SD3_MAJOR, 208),
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FH_SDBK = FHDEV (DEV_SD3_MAJOR, 224),
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FH_SDBL = FHDEV (DEV_SD3_MAJOR, 240),
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FH_SDBM = FHDEV (DEV_SD4_MAJOR, 0),
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FH_SDBN = FHDEV (DEV_SD4_MAJOR, 16),
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FH_SDBO = FHDEV (DEV_SD4_MAJOR, 32),
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FH_SDBP = FHDEV (DEV_SD4_MAJOR, 48),
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FH_SDBQ = FHDEV (DEV_SD4_MAJOR, 64),
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FH_SDBR = FHDEV (DEV_SD4_MAJOR, 80),
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FH_SDBS = FHDEV (DEV_SD4_MAJOR, 96),
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FH_SDBT = FHDEV (DEV_SD4_MAJOR, 112),
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FH_SDBU = FHDEV (DEV_SD4_MAJOR, 128),
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FH_SDBV = FHDEV (DEV_SD4_MAJOR, 144),
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FH_SDBW = FHDEV (DEV_SD4_MAJOR, 160),
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FH_SDBX = FHDEV (DEV_SD4_MAJOR, 176),
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FH_SDBY = FHDEV (DEV_SD4_MAJOR, 192),
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FH_SDBZ = FHDEV (DEV_SD4_MAJOR, 208),
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FH_SDCA = FHDEV (DEV_SD4_MAJOR, 224),
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FH_SDCB = FHDEV (DEV_SD4_MAJOR, 240),
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FH_SDCC = FHDEV (DEV_SD5_MAJOR, 0),
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FH_SDCD = FHDEV (DEV_SD5_MAJOR, 16),
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FH_SDCE = FHDEV (DEV_SD5_MAJOR, 32),
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FH_SDCF = FHDEV (DEV_SD5_MAJOR, 48),
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FH_SDCG = FHDEV (DEV_SD5_MAJOR, 64),
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FH_SDCH = FHDEV (DEV_SD5_MAJOR, 80),
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FH_SDCI = FHDEV (DEV_SD5_MAJOR, 96),
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FH_SDCJ = FHDEV (DEV_SD5_MAJOR, 112),
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FH_SDCK = FHDEV (DEV_SD5_MAJOR, 128),
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FH_SDCL = FHDEV (DEV_SD5_MAJOR, 144),
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FH_SDCM = FHDEV (DEV_SD5_MAJOR, 160),
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FH_SDCN = FHDEV (DEV_SD5_MAJOR, 176),
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FH_SDCO = FHDEV (DEV_SD5_MAJOR, 192),
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FH_SDCP = FHDEV (DEV_SD5_MAJOR, 208),
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FH_SDCQ = FHDEV (DEV_SD5_MAJOR, 224),
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FH_SDCR = FHDEV (DEV_SD5_MAJOR, 240),
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FH_SDCS = FHDEV (DEV_SD6_MAJOR, 0),
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FH_SDCT = FHDEV (DEV_SD6_MAJOR, 16),
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FH_SDCU = FHDEV (DEV_SD6_MAJOR, 32),
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FH_SDCV = FHDEV (DEV_SD6_MAJOR, 48),
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FH_SDCW = FHDEV (DEV_SD6_MAJOR, 64),
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FH_SDCX = FHDEV (DEV_SD6_MAJOR, 80),
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FH_SDCY = FHDEV (DEV_SD6_MAJOR, 96),
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FH_SDCZ = FHDEV (DEV_SD6_MAJOR, 112),
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FH_SDDA = FHDEV (DEV_SD6_MAJOR, 128),
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FH_SDDB = FHDEV (DEV_SD6_MAJOR, 144),
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FH_SDDC = FHDEV (DEV_SD6_MAJOR, 160),
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FH_SDDD = FHDEV (DEV_SD6_MAJOR, 176),
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FH_SDDE = FHDEV (DEV_SD6_MAJOR, 192),
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FH_SDDF = FHDEV (DEV_SD6_MAJOR, 208),
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FH_SDDG = FHDEV (DEV_SD6_MAJOR, 224),
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FH_SDDH = FHDEV (DEV_SD6_MAJOR, 240),
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FH_SDDI = FHDEV (DEV_SD7_MAJOR, 0),
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FH_SDDJ = FHDEV (DEV_SD7_MAJOR, 16),
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FH_SDDK = FHDEV (DEV_SD7_MAJOR, 32),
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FH_SDDL = FHDEV (DEV_SD7_MAJOR, 48),
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FH_SDDM = FHDEV (DEV_SD7_MAJOR, 64),
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FH_SDDN = FHDEV (DEV_SD7_MAJOR, 80),
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FH_SDDO = FHDEV (DEV_SD7_MAJOR, 96),
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FH_SDDP = FHDEV (DEV_SD7_MAJOR, 112),
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FH_SDDQ = FHDEV (DEV_SD7_MAJOR, 128),
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FH_SDDR = FHDEV (DEV_SD7_MAJOR, 144),
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FH_SDDS = FHDEV (DEV_SD7_MAJOR, 160),
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FH_SDDT = FHDEV (DEV_SD7_MAJOR, 176),
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FH_SDDU = FHDEV (DEV_SD7_MAJOR, 192),
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FH_SDDV = FHDEV (DEV_SD7_MAJOR, 208),
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FH_SDDW = FHDEV (DEV_SD7_MAJOR, 224),
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FH_SDDX = FHDEV (DEV_SD7_MAJOR, 240),
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FH_MEM = FHDEV (1, 1),
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FH_KMEM = FHDEV (1, 2), /* not implemented yet */
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FH_NULL = FHDEV (1, 3),
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FH_PORT = FHDEV (1, 4),
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FH_ZERO = FHDEV (1, 5),
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FH_FULL = FHDEV (1, 7),
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FH_RANDOM = FHDEV (1, 8),
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FH_URANDOM = FHDEV (1, 9),
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FH_KMSG = FHDEV (1, 11),
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FH_OSS_DSP = FHDEV (14, 3),
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DEV_CYGDRIVE_MAJOR = 98,
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FH_CYGDRIVE= FHDEV (DEV_CYGDRIVE_MAJOR, 0),
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DEV_TCP_MAJOR = 30,
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FH_TCP = FHDEV (DEV_TCP_MAJOR, 36),
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FH_UDP = FHDEV (DEV_TCP_MAJOR, 39),
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FH_ICMP = FHDEV (DEV_TCP_MAJOR, 33),
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FH_UNIX = FHDEV (DEV_TCP_MAJOR, 120),
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FH_STREAM = FHDEV (DEV_TCP_MAJOR, 121),
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FH_DGRAM = FHDEV (DEV_TCP_MAJOR, 122),
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FH_BAD = FHDEV (0, 0)
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};
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struct device
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{
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const char *name;
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union __cygwin_dev
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{
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_dev_t devn;
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DWORD devn_dword;
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int devn_int;
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fh_devices devn_fh_devices;
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struct
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{
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_minor_t minor;
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_major_t major;
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};
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} d;
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const char *native;
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_mode_t mode;
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bool dev_on_fs;
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static const device *lookup (const char *, unsigned int = UINT32_MAX);
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void parse (const char *);
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void parse (_major_t major, _minor_t minor);
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void parse (_dev_t dev);
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void parsedisk (int, int);
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inline bool setunit (unsigned n)
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{
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d.minor = n;
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return true;
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}
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static void init ();
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static _major_t major (_dev_t n)
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{
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__cygwin_dev d;
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d.devn = n;
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return d.major;
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}
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static _minor_t minor (_dev_t n)
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{
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__cygwin_dev d;
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d.devn = n;
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return d.minor;
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}
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static _major_t major (int n) {return major ((_dev_t) n);}
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static _minor_t minor (int n) {return minor ((_dev_t) n);}
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bool is_device (_dev_t n) const {return n == d.devn; }
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bool not_device (_dev_t n) const {return d.devn && n != d.devn; }
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_minor_t get_minor () const {return d.minor;}
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_minor_t get_major () const {return d.major;}
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inline operator int () {return d.devn_int;}
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inline operator fh_devices () {return d.devn_fh_devices;}
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inline operator bool () {return !!d.devn_int;}
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inline operator DWORD& () {return d.devn_dword;}
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fh_devices operator = (fh_devices n) {return d.devn_fh_devices = n;}
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inline void setfs (bool x) {dev_on_fs = x;}
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inline bool isfs () const {return dev_on_fs || d.devn == FH_FS;}
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inline bool is_fs_special () const {return dev_on_fs && d.devn != FH_FS;}
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};
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extern const device *console_dev;
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extern const device *ttym_dev;
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extern const device *ttys_dev;
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extern const device *urandom_dev;
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extern const device dev_dgram_storage;
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#define dgram_dev (&dev_dgram_storage)
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extern const device dev_stream_storage;
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#define stream_dev (&dev_stream_storage)
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extern const device dev_tcp_storage;
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#define tcp_dev (&dev_tcp_storage)
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extern const device dev_udp_storage;
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#define udp_dev (&dev_udp_storage)
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extern const device dev_piper_storage;
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#define piper_dev (&dev_piper_storage)
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extern const device dev_pipew_storage;
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#define pipew_dev (&dev_pipew_storage)
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extern const device dev_proc_storage;
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#define proc_dev (&dev_proc_storage)
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extern const device dev_netdrive_storage;
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#define netdrive_dev (&dev_netdrive_storage)
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extern const device dev_cygdrive_storage;
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#define cygdrive_dev (&dev_cygdrive_storage)
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extern const device dev_fh_storage;
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#define fh_dev (&dev_fh_storage)
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extern const device dev_fs_storage;
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#define fs_dev (&dev_fs_storage)
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#define isproc_dev(devn) \
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(devn >= FH_PROC_MIN_MINOR && devn <= FH_PROC_MAX_MINOR)
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#define isprocsys_dev(devn) (devn == FH_PROCSYS)
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#define isvirtual_dev(devn) \
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(isproc_dev (devn) || devn == FH_CYGDRIVE || devn == FH_NETDRIVE)
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#define iscons_dev(n) (device::major (n) == DEV_CONS_MAJOR)
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#define istty_slave_dev(n) (device::major (n) == DEV_TTYS_MAJOR)
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#endif /*_DEVICES_H*/
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