/* $OpenBSD: conf.c,v 1.46 2022/10/15 10:12:13 jsg Exp $ */ /* * Copyright (c) 1994-1998 Mark Brinicombe. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Mark Brinicombe * for the NetBSD Project. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * RiscBSD kernel project * * conf.c * * Character and Block Device configuration * Console configuration * * Defines the structures [bc]devsw * * Created : 17/09/94 */ #include <sys/param.h> #include <sys/systm.h> #include <sys/buf.h> #include <sys/ioctl.h> #include <sys/tty.h> #include <sys/conf.h> #include <sys/vnode.h> #include <machine/conf.h> /* * From this point, these need to be MI foo.h files. */ /* * Standard MI devices (e.g. ones in dev/ic) */ #include "com.h" /* NS164x0 serial ports */ /* * Standard pseudo-devices */ #include "bpfilter.h" #include "dt.h" #include "pf.h" #include "bio.h" #include "pty.h" #include "tun.h" #include "ksyms.h" #include "kstat.h" /* * Disk/Filesystem pseudo-devices */ #include "rd.h" /* memory disk driver */ #include "vnd.h" /* vnode disk driver */ /* * WD/ATA devices */ #include "wd.h" bdev_decl(wd); #ifdef USER_PCICONF #include "pci.h" cdev_decl(pci); #endif /* * SCSI/ATAPI devices */ #include "sd.h" #include "st.h" #include "cd.h" #include "ch.h" #include "uk.h" /* * Audio devices */ #include "audio.h" #include "video.h" #include "midi.h" /* * USB devices */ #include "usb.h" #include "ucom.h" #include "ugen.h" #include "uhid.h" #include "fido.h" #include "ujoy.h" #include "ulpt.h" /* * WSCONS devices */ #include "wsdisplay.h" /* #include "wsfont.h" */ #include "wskbd.h" #include "wsmouse.h" #include "wsmux.h" cdev_decl(wskbd); cdev_decl(wsmouse); #include "lpt.h" #include "radio.h" cdev_decl(radio); /* Block devices */ struct bdevsw bdevsw[] = { bdev_notdef(), /* 0: */ bdev_swap_init(1, sw), /* 1: swap pseudo-device */ bdev_notdef(), /* 2: */ bdev_notdef(), /* 3: */ bdev_notdef(), /* 4: */ bdev_notdef(), /* 5: */ bdev_notdef(), /* 6: */ bdev_notdef(), /* 7: */ bdev_notdef(), /* 8: */ bdev_notdef(), /* 9: */ bdev_notdef(), /* 10: */ bdev_notdef(), /* 11: */ bdev_notdef(), /* 12: */ bdev_notdef(), /* 13: */ bdev_notdef(), /* 14: */ bdev_notdef(), /* 15: */ bdev_disk_init(NWD,wd), /* 16: Internal IDE disk */ bdev_notdef(), /* 17: */ bdev_disk_init(NRD,rd), /* 18: memory disk */ bdev_disk_init(NVND,vnd), /* 19: vnode disk driver */ bdev_notdef(), /* 20: */ bdev_notdef(), /* 21: was: concatenated disk driver */ bdev_notdef(), /* 22: */ bdev_notdef(), /* 23: */ bdev_disk_init(NSD,sd), /* 24: SCSI disk */ bdev_notdef(), /* 25: was: SCSI tape */ bdev_disk_init(NCD,cd), /* 26: SCSI cdrom */ bdev_notdef(), /* 27: */ bdev_notdef(), /* 28: */ bdev_notdef(), /* 29: */ bdev_notdef(), /* 30: */ bdev_notdef(), /* 31: */ bdev_notdef(), /* 32: */ bdev_notdef(), /* 33: */ bdev_notdef(), /* 34: */ bdev_notdef(), /* 35: */ bdev_notdef(), /* 36: */ bdev_notdef(), /* 37: */ bdev_notdef(), /* 38: */ bdev_notdef(), /* 39: */ bdev_notdef(), /* 40: */ bdev_notdef(), /* 41: */ bdev_notdef(), /* 42: */ bdev_notdef(), /* 43: */ bdev_notdef(), /* 44: */ bdev_notdef(), /* 45: */ bdev_notdef(), /* 46: */ bdev_notdef(), /* 47: */ bdev_notdef(), /* 48: */ bdev_notdef(), /* 49: */ bdev_notdef(), /* 50: */ bdev_notdef(), /* 51: */ bdev_notdef(), /* 52: */ bdev_notdef(), /* 53: */ bdev_notdef(), /* 54: */ bdev_notdef(), /* 55: */ bdev_notdef(), /* 56: */ bdev_notdef(), /* 57: */ bdev_notdef(), /* 58: */ bdev_notdef(), /* 59: */ bdev_notdef(), /* 60: */ bdev_notdef(), /* 61: */ bdev_notdef(), /* 62: */ bdev_notdef(), /* 63: */ bdev_notdef(), /* 64: */ bdev_notdef(), /* 65: */ bdev_notdef(), /* 66: */ bdev_notdef(), /* 67: */ bdev_notdef(), /* 68: */ bdev_notdef(), /* 69: */ bdev_notdef(), /* 70: */ bdev_notdef(), /* 71 was: RAIDframe disk driver */ bdev_notdef(), /* 72: */ bdev_notdef(), /* 73: */ bdev_notdef(), /* 74: */ bdev_notdef(), /* 75: */ bdev_notdef(), /* 76: */ bdev_notdef(), /* 77: */ bdev_notdef(), /* 78: */ bdev_notdef(), /* 79: */ bdev_notdef(), /* 80: */ bdev_notdef(), /* 81: */ bdev_notdef(), /* 82: */ bdev_notdef(), /* 83: */ bdev_notdef(), /* 84: */ bdev_notdef(), /* 85: */ bdev_notdef(), /* 86: */ bdev_notdef(), /* 87: */ bdev_notdef(), /* 88: */ bdev_notdef(), /* 89: */ bdev_notdef(), /* 90: */ bdev_notdef(), /* 91: */ bdev_notdef(), /* 93: */ bdev_notdef(), /* 94: */ bdev_notdef(), /* 95: */ bdev_notdef(), /* 96: */ bdev_notdef(), /* 97: */ }; #include "hotplug.h" #include "scif.h" #include "vscsi.h" #include "pppx.h" #include "fuse.h" struct cdevsw cdevsw[] = { cdev_cn_init(1,cn), /* 0: virtual console */ cdev_ctty_init(1,ctty), /* 1: controlling terminal */ cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */ cdev_notdef(), /* 3 was /dev/drum */ cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */ cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */ cdev_log_init(1,log), /* 6: /dev/klog */ cdev_fd_init(1,filedesc), /* 7: file descriptor pseudo-device */ cdev_ksyms_init(NKSYMS,ksyms), /* 8: Kernel symbols device */ cdev_notdef(), /* 9: */ cdev_notdef(), /* 10: */ cdev_tty_init(NSCIF,scif), /* 11: scif */ cdev_tty_init(NCOM,com), /* 12: serial port */ cdev_notdef(), /* 13: */ cdev_notdef(), /* 14: */ cdev_notdef(), /* 15: */ cdev_disk_init(NWD,wd), /* 16: ST506/ESDI/IDE disk */ cdev_notdef(), /* 17: */ cdev_disk_init(NRD,rd), /* 18: ram disk driver */ cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */ cdev_notdef(), /* 20: */ cdev_notdef(), /* 21: was: concatenated disk driver */ cdev_bpf_init(NBPFILTER,bpf), /* 22: Berkeley packet filter */ cdev_notdef(), /* 23: */ cdev_disk_init(NSD,sd), /* 24: SCSI disk */ cdev_tape_init(NST,st), /* 25: SCSI tape */ cdev_disk_init(NCD,cd), /* 26: SCSI CD-ROM */ cdev_ch_init(NCH,ch), /* 27: SCSI autochanger */ cdev_uk_init(NUK,uk), /* 28: SCSI unknown */ cdev_notdef(), /* 29: */ cdev_dt_init(NDT,dt), /* 30: dynamic tracer */ cdev_notdef(), /* 31: */ cdev_notdef(), /* 32: */ cdev_tun_init(NTUN,tun), /* 33: network tunnel */ cdev_notdef(), /* 34: */ cdev_notdef(), /* 35: was LKM */ cdev_audio_init(NAUDIO,audio), /* 36: generic audio I/O */ cdev_hotplug_init(NHOTPLUG,hotplug), /* 37: devices hot plugging*/ cdev_bio_init(NBIO,bio), /* 38: ioctl tunnel */ cdev_notdef(), /* 39: reserved */ cdev_random_init(1,random), /* 40: random generator */ cdev_notdef(), /* 41: reserved */ cdev_notdef(), /* 42: reserved */ cdev_notdef(), /* 43: reserved */ cdev_notdef(), /* 44: reserved */ cdev_notdef(), /* 45: reserved */ cdev_pf_init(NPF,pf), /* 46: packet filter */ cdev_notdef(), /* 47: was /dev/crypto */ cdev_notdef(), /* 48: reserved */ cdev_notdef(), /* 49: reserved */ cdev_notdef(), /* 50: reserved */ cdev_kstat_init(NKSTAT,kstat), /* 51: kernel statistics */ cdev_notdef(), /* 52: reserved */ cdev_notdef(), /* 53: reserved */ cdev_notdef(), /* 54: reserved */ cdev_notdef(), /* 55: Reserved for bypass device */ cdev_notdef(), /* 56: reserved */ cdev_midi_init(NMIDI,midi), /* 57: MIDI I/O */ cdev_notdef(), /* 58 was: sequencer I/O */ cdev_notdef(), /* 59: reserved */ cdev_wsdisplay_init(NWSDISPLAY,wsdisplay), /* 60: frame buffers, etc.*/ cdev_mouse_init(NWSKBD,wskbd), /* 61: keyboards */ cdev_mouse_init(NWSMOUSE,wsmouse), /* 62: mice */ cdev_mouse_init(NWSMUX,wsmux), /* 63: ws multiplexor */ cdev_usb_init(NUSB,usb), /* 64: USB controller */ cdev_usbdev_init(NUHID,uhid), /* 65: USB generic HID */ cdev_ulpt_init(NULPT,ulpt), /* 66: USB printer */ cdev_notdef(), /* 67: was urio */ cdev_tty_init(NUCOM,ucom), /* 68: USB tty */ cdev_notdef(), /* 69: was USB scanners */ cdev_usbdev_init(NUGEN,ugen), /* 70: USB generic driver */ cdev_notdef(), /* 71 was: RAIDframe disk driver */ cdev_notdef(), /* 72: reserved */ cdev_notdef(), /* 73: reserved */ cdev_notdef(), /* 74: reserved */ cdev_notdef(), /* 75: reserved */ cdev_notdef(), /* 76: reserved */ cdev_video_init(NVIDEO,video), /* 77: generic video I/O */ cdev_notdef(), /* 78: removed device */ cdev_notdef(), /* 79: removed device */ cdev_notdef(), /* 80: removed device */ cdev_notdef(), /* 81: removed device */ cdev_notdef(), /* 82: removed device */ cdev_notdef(), /* 83: removed device */ cdev_notdef(), /* 84: removed device */ cdev_notdef(), /* 85: removed device */ cdev_notdef(), /* 86: removed device */ cdev_notdef(), /* 87: removed device */ #ifdef USER_PCICONF cdev_pci_init(NPCI,pci), /* 88: PCI user */ #else cdev_notdef(), #endif cdev_notdef(), /* 89: removed device */ cdev_notdef(), /* 90: removed device */ cdev_notdef(), /* 91: removed device */ cdev_notdef(), /* 92: removed device */ cdev_notdef(), /* 93: removed device */ cdev_notdef(), /* 94: removed device */ cdev_notdef(), /* 95: removed device */ cdev_notdef(), /* 96: removed device */ cdev_radio_init(NRADIO,radio), /* 97: generic radio I/O */ cdev_ptm_init(NPTY,ptm), /* 98: pseudo-tty ptm device */ cdev_vscsi_init(NVSCSI,vscsi), /* 99: vscsi */ cdev_notdef(), cdev_disk_init(1,diskmap), /* 101: disk mapper */ cdev_pppx_init(NPPPX,pppx), /* 102: pppx */ cdev_fuse_init(NFUSE,fuse), /* 103: fuse */ cdev_tun_init(NTUN,tap), /* 104: Ethernet network tap */ cdev_notdef(), /* 105: was switch(4) */ cdev_fido_init(NFIDO,fido), /* 106: FIDO/U2F security key */ cdev_pppx_init(NPPPX,pppac), /* 107: PPP Access Concentrator */ cdev_ujoy_init(NUJOY,ujoy), /* 108: USB joystick/gamecontroller */ }; int nblkdev = nitems(bdevsw); int nchrdev = nitems(cdevsw); int mem_no = 2; /* major device number of memory special file */ /* * Swapdev is a fake device implemented * in sw.c used only internally to get to swstrategy. * It cannot be provided to the users, because the * swstrategy routine munches the b_dev and b_blkno entries * before calling the appropriate driver. This would horribly * confuse, e.g. the hashing routines. Instead, /dev/drum is * provided as a character (raw) device. */ dev_t swapdev = makedev(1, 0); /* * Returns true if dev is /dev/mem or /dev/kmem. */ int iskmemdev(dev_t dev) { return (major(dev) == mem_no && minor(dev) < 2); } /* * Returns true if dev is /dev/zero. */ int iszerodev(dev_t dev) { return (major(dev) == mem_no && minor(dev) == 3); } const int chrtoblktbl[] = { /*VCHR*/ /*VBLK*/ /* 0 */ NODEV, /* 1 */ NODEV, /* 2 */ NODEV, /* 3 */ NODEV, /* 4 */ NODEV, /* 5 */ NODEV, /* 6 */ NODEV, /* 7 */ NODEV, /* 8 */ NODEV, /* 9 */ NODEV, /* 10 */ NODEV, /* 11 */ NODEV, /* 12 */ NODEV, /* 13 */ NODEV, /* 14 */ NODEV, /* 15 */ NODEV, /* 16 */ 16, /* wd */ /* 17 */ NODEV, /* 18 */ 18, /* rd */ /* 19 */ 19, /* vnd */ /* 20 */ NODEV, /* 21 */ NODEV, /* 22 */ NODEV, /* 23 */ NODEV, /* 24 */ 24, /* sd */ /* 25 */ NODEV, /* 26 */ 26, /* cd */ }; const int nchrtoblktbl = nitems(chrtoblktbl); dev_t getnulldev(void) { return makedev(mem_no, 2); }
