/*      $OpenBSD: conf.c,v 1.14 2022/09/02 20:06:56 miod Exp $  */

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * 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. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
 *
 *     @(#)conf.c       7.9 (Berkeley) 5/28/91
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <sys/vnode.h>

#include <machine/conf.h>

#include "wd.h"
bdev_decl(wd);
#include "cd.h"
#include "rd.h"
#include "sd.h"
#include "vnd.h"

struct bdevsw bdevsw[] =
{
        bdev_swap_init(1,sw),           /* 0: swap pseudo-device */
        bdev_disk_init(NVND,vnd),       /* 1: vnode disk driver */
        bdev_disk_init(NRD,rd),         /* 2: ram disk driver */
        bdev_disk_init(NSD,sd),         /* 3: SCSI disk */
        bdev_disk_init(NCD,cd),         /* 4: SCSI CD-ROM */
        bdev_disk_init(NWD,wd),         /* 5: ST506/ESDI/IDE disk */
        bdev_notdef(),
};
int     nblkdev = nitems(bdevsw);

#include "audio.h"
cdev_decl(wd);
#include "bio.h"
#include "bpfilter.h"
#include "ch.h"
#include "com.h"
cdev_decl(com);
#include "drm.h"
#include "dt.h"
#include "fido.h"
#include "ujoy.h"
#include "fuse.h"
#include "hotplug.h"
#include "ipmi.h"
#include "kcov.h"
#include "kexec.h"
#include "kstat.h"
#include "ksyms.h"
#include "lpt.h"
cdev_decl(lpt);
#include "midi.h"
#include "opalcons.h"
#include "openprom.h"
#include "pf.h"
#include "pppx.h"
#include "pty.h"
#include "radio.h"
#include "st.h"
#include "tun.h"
#include "ucom.h"
#include "ugen.h"
#include "uhid.h"
#include "uk.h"
#include "ulpt.h"
#include "usb.h"
#include "video.h"
#include "vscsi.h"
#include "wsdisplay.h"
#include "wskbd.h"
#include "wsmouse.h"
#include "wsmux.h"

#ifdef USER_PCICONF
#include "pci.h"
cdev_decl(pci);
#endif

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_ksyms_init(NKSYMS,ksyms),  /* 3: kernel symbols device */
        cdev_log_init(1,log),           /* 4: /dev/klog */
        cdev_ptm_init(NPTY,ptm),        /* 5: pseudo-tty ptm device */
        cdev_ptc_init(NPTY,ptc),        /* 6: pseudo-tty master */
        cdev_tty_init(NPTY,pts),        /* 7: pseudo-tty slave */
        cdev_fd_init(1,filedesc),       /* 8: file descriptor pseudo-device */
        cdev_bpf_init(NBPFILTER,bpf),   /* 9: packet filter */
        cdev_disk_init(1,diskmap),      /* 10: disk mapper */
        cdev_pf_init(NPF,pf),           /* 11: packet filter */
        cdev_random_init(1,random),     /* 12: random data source */
        cdev_dt_init(NDT,dt),           /* 13: dynamic tracer */
        cdev_kcov_init(NKCOV,kcov),     /* 14: kcov */
        cdev_kstat_init(NKSTAT,kstat),  /* 15: kernel statistics */
        cdev_kexec_init(NKEXEC,kexec),  /* 16: kexec */
        cdev_disk_init(NWD,wd),         /* 17: ST506/ESDI/IDE disk */
        cdev_notdef(),                  /* 18 */
        cdev_notdef(),                  /* 19 */
        cdev_notdef(),                  /* 20 */
        cdev_notdef(),                  /* 21 */
        cdev_notdef(),                  /* 22 */
        cdev_notdef(),                  /* 23 */
        cdev_disk_init(NVND,vnd),       /* 24: vnode disk driver */
        cdev_disk_init(NRD,rd),         /* 25: ram disk driver */
        cdev_disk_init(NSD,sd),         /* 26: SCSI disk */
        cdev_disk_init(NCD,cd),         /* 27: SCSI CD-ROM */
        cdev_notdef(),                  /* 28 */
        cdev_notdef(),                  /* 29 */
        cdev_notdef(),                  /* 30 */
        cdev_notdef(),                  /* 31 */
        cdev_audio_init(NAUDIO,audio),  /* 32: generic audio I/O */
        cdev_midi_init(NMIDI,midi),     /* 33: MIDI I/O */
        cdev_radio_init(NRADIO, radio), /* 34: generic radio I/O */
        cdev_video_init(NVIDEO,video),  /* 35: generic video I/O */
        cdev_notdef(),                  /* 36 */
        cdev_notdef(),                  /* 37 */
        cdev_notdef(),                  /* 38 */
        cdev_notdef(),                  /* 39 */
        cdev_wsdisplay_init(NWSDISPLAY, /* 40: frame buffers, etc. */
            wsdisplay),
        cdev_mouse_init(NWSKBD, wskbd), /* 41: keyboards */
        cdev_mouse_init(NWSMOUSE,       /* 42: mice */
            wsmouse),
        cdev_mouse_init(NWSMUX, wsmux), /* 43: ws multiplexor */
        cdev_notdef(),                  /* 44 */
        cdev_notdef(),                  /* 45 */
        cdev_notdef(),                  /* 46 */
        cdev_notdef(),                  /* 47 */
        cdev_usb_init(NUSB,usb),        /* 48: USB controller */
        cdev_usbdev_init(NUGEN,ugen),   /* 49: USB generic driver */
        cdev_usbdev_init(NUHID,uhid),   /* 50: USB generic HID */
        cdev_fido_init(NFIDO,fido),     /* 51: FIDO/U2F security key */
        cdev_notdef(),                  /* 52 */
        cdev_notdef(),                  /* 53 */
        cdev_notdef(),                  /* 54 */
        cdev_notdef(),                  /* 55 */
        cdev_tty_init(NOPALCONS,opalcons), /* 56: OPAL console */
        cdev_tty_init(NCOM,com),        /* 57: serial port */
        cdev_tty_init(NUCOM,ucom),      /* 58: USB tty */
        cdev_notdef(),                  /* 59 */
        cdev_notdef(),                  /* 60 */
        cdev_notdef(),                  /* 61 */
        cdev_notdef(),                  /* 62 */
        cdev_notdef(),                  /* 63 */
        cdev_lpt_init(NLPT,lpt),        /* 64: parallel printer */
        cdev_ulpt_init(NULPT,ulpt),     /* 65: USB printers */
        cdev_notdef(),                  /* 66 */
        cdev_notdef(),                  /* 67 */
        cdev_ch_init(NCH,ch),           /* 68: SCSI autochanger */
        cdev_tape_init(NST,st),         /* 69: SCSI tape */
        cdev_uk_init(NUK,uk),           /* 70: unknown SCSI */
        cdev_notdef(),                  /* 71 */
        cdev_pppx_init(NPPPX,pppx),     /* 72: pppx */
        cdev_pppx_init(NPPPX,pppac),    /* 73: PPP Access Concentrator */
        cdev_notdef(),                  /* 74: was switch(4) */
        cdev_tun_init(NTUN,tap),        /* 75: Ethernet network tunnel */
        cdev_tun_init(NTUN,tun),        /* 76: network tunnel */
        cdev_notdef(),                  /* 77 */
        cdev_notdef(),                  /* 78 */
        cdev_notdef(),                  /* 79 */
        cdev_bio_init(NBIO,bio),        /* 80: ioctl tunnel */
        cdev_fuse_init(NFUSE,fuse),     /* 81: fuse */
        cdev_hotplug_init(NHOTPLUG,hotplug), /* 82: devices hot plugging */
        cdev_vscsi_init(NVSCSI,vscsi),  /* 83: vscsi */
        cdev_notdef(),                  /* 84 */
        cdev_notdef(),                  /* 85 */
        cdev_notdef(),                  /* 86 */
        cdev_drm_init(NDRM,drm),        /* 87: drm */
        cdev_ipmi_init(NIPMI,ipmi),     /* 88: ipmi */
        cdev_notdef(),                  /* 89 */
        cdev_notdef(),                  /* 90 */
        cdev_notdef(),                  /* 91 */
        cdev_openprom_init(NOPENPROM,openprom), /* 92: /dev/openprom */
#ifdef USER_PCICONF
        cdev_pci_init(NPCI,pci),        /* 93: PCI user */
#else
        cdev_notdef(),                  /* 93 */
#endif
        cdev_ujoy_init(NUJOY,ujoy),     /* 94: USB joystick/gamecontroller */
};
int     nchrdev = nitems(cdevsw);

int     mem_no = 2;     /* major device number of memory special file */

dev_t   swapdev = makedev(0, 0);

int
iskmemdev(dev_t dev)
{
        return (major(dev) == mem_no && minor(dev) < 2);
}

int
iszerodev(dev_t dev)
{
        return (major(dev) == mem_no && minor(dev) == 12);
}

dev_t
getnulldev(void)
{
        return makedev(mem_no, 2);
}

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 */        NODEV,
        /* 17 */        5,              /* wd */
        /* 18 */        NODEV,
        /* 19 */        NODEV,
        /* 20 */        NODEV,
        /* 21 */        NODEV,
        /* 22 */        NODEV,
        /* 23 */        NODEV,
        /* 24 */        1,              /* vnd */
        /* 25 */        2,              /* rd */
        /* 26 */        3,              /* sd */
        /* 27 */        4,              /* cd */
};
const int nchrtoblktbl = nitems(chrtoblktbl);