/*      $OpenBSD: conf.c,v 1.84 2025/11/12 11:34:36 hshoexer Exp $      */

/*
 * Copyright (c) 1994, 1995 Charles M. Hannum.  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 Charles Hannum.
 * 4. The name of the author may not 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 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.
 */

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

#include <machine/conf.h>

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

struct bdevsw   bdevsw[] =
{
        bdev_disk_init(NWD,wd),         /* 0: ST506/ESDI/IDE disk */
        bdev_swap_init(1,sw),           /* 1: swap pseudo-device */
        bdev_disk_init(NFD,fd),         /* 2: floppy diskette */
        bdev_notdef(),                  /* 3 */
        bdev_disk_init(NSD,sd),         /* 4: SCSI disk */
        bdev_notdef(),                  /* 5: was: SCSI tape */
        bdev_disk_init(NCD,cd),         /* 6: SCSI CD-ROM */
        bdev_notdef(),                  /* 7 */
        bdev_notdef(),                  /* 8 */
        bdev_notdef(),                  /* 9 */
        bdev_notdef(),                  /* 10 */
        bdev_notdef(),                  /* 11 */
        bdev_notdef(),                  /* 12 */
        bdev_notdef(),                  /* 13 */
        bdev_disk_init(NVND,vnd),       /* 14: vnode disk driver */
        bdev_notdef(),                  /* 15: was: Sony CD-ROM */
        bdev_notdef(),                  /* 16: was: concatenated disk driver */
        bdev_disk_init(NRD,rd),         /* 17: ram disk driver */
        bdev_notdef(),                  /* 18 */
        bdev_notdef(),                  /* 19 was: RAIDframe disk driver */
};
int     nblkdev = nitems(bdevsw);

/* open, close, ioctl */
#define cdev_ocis_init(c,n) { \
        dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
        (dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
        (dev_type_stop((*))) enodev, 0, \
        (dev_type_mmap((*))) enodev, 0, 0, seltrue_kqfilter }

/* open, close, read */
#define cdev_nvram_init(c,n) { \
        dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
        (dev_type_write((*))) enodev, (dev_type_ioctl((*))) enodev, \
        (dev_type_stop((*))) enodev, 0, \
        (dev_type_mmap((*))) enodev, 0, 0, seltrue_kqfilter }

/* open, close, ioctl */
#define cdev_vmm_init(c,n) { \
        dev_init(c,n,open), dev_init(c,n,close), \
        (dev_type_read((*))) enodev, \
        (dev_type_write((*))) enodev, \
         dev_init(c,n,ioctl), \
        (dev_type_stop((*))) enodev, 0, \
        (dev_type_mmap((*))) enodev, 0, 0, seltrue_kqfilter }

/* open, close, ioctl */
#define cdev_psp_init(c,n) { \
        dev_init(c,n,open), dev_init(c,n,close), \
        (dev_type_read((*))) enodev, \
        (dev_type_write((*))) enodev, \
         dev_init(c,n,ioctl), \
        (dev_type_stop((*))) enodev, 0, \
        (dev_type_mmap((*))) enodev, 0, 0, seltrue_kqfilter }

#define mmread  mmrw
#define mmwrite mmrw
cdev_decl(mm);
cdev_decl(wd);
#include "bio.h"
#include "pty.h"
#include "com.h"
cdev_decl(com);
cdev_decl(fd);
#include "lpt.h"
cdev_decl(lpt);
#include "ch.h"
#include "bpfilter.h"
#include "spkr.h"
cdev_decl(spkr);
#include "cy.h"
cdev_decl(cy);
#include "tun.h"
#include "audio.h"
#include "video.h"
#include "midi.h"
#include "acpi.h"
#include "pctr.h"
#include "bktr.h"
#include "ksyms.h"
#include "kstat.h"
#include "usb.h"
#include "uhid.h"
#include "fido.h"
#include "ujoy.h"
#include "ugen.h"
#include "ulpt.h"
#include "ucom.h"
#include "cz.h"
cdev_decl(cztty);
#include "radio.h"
#include "nvram.h"
cdev_decl(nvram);
#include "drm.h"
#include "viocon.h"
cdev_decl(viocon);

#include "wsdisplay.h"
#include "wskbd.h"
#include "wsmouse.h"
#include "wsmux.h"
#include "kexec.h"
#include "kcov.h"

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

#include "dt.h"
#include "pf.h"
#include "hotplug.h"
#include "gpio.h"
#include "vscsi.h"
#include "pppx.h"
#include "fuse.h"
#include "pvbus.h"
#include "ipmi.h"
#include "efi.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_disk_init(NWD,wd),         /* 3: ST506/ESDI/IDE disk */
        cdev_notdef(),                  /* 4 was /dev/drum */
        cdev_tty_init(NPTY,pts),        /* 5: pseudo-tty slave */
        cdev_ptc_init(NPTY,ptc),        /* 6: pseudo-tty master */
        cdev_log_init(1,log),           /* 7: /dev/klog */
        cdev_tty_init(NCOM,com),        /* 8: serial port */
        cdev_disk_init(NFD,fd),         /* 9: floppy disk */
        cdev_vmm_init(NVMM,vmm),        /* 10 vmm */
        cdev_notdef(),                  /* 11: Sony CD-ROM */
        cdev_wsdisplay_init(NWSDISPLAY, /* 12: frame buffers, etc. */
            wsdisplay),
        cdev_disk_init(NSD,sd),         /* 13: SCSI disk */
        cdev_tape_init(NST,st),         /* 14: SCSI tape */
        cdev_disk_init(NCD,cd),         /* 15: SCSI CD-ROM */
        cdev_lpt_init(NLPT,lpt),        /* 16: parallel printer */
        cdev_ch_init(NCH,ch),           /* 17: SCSI autochanger */
        cdev_kexec_init(NKEXEC,kexec),  /* 18: kexec */
        cdev_kcov_init(NKCOV,kcov),     /* 19: kcov */
        cdev_uk_init(NUK,uk),           /* 20: unknown SCSI */
        cdev_notdef(),                  /* 21 */
        cdev_fd_init(1,filedesc),       /* 22: file descriptor pseudo-device */
        cdev_bpf_init(NBPFILTER,bpf),   /* 23: Berkeley packet filter */
        cdev_notdef(),                  /* 24 */
        cdev_notdef(),                  /* 25 */
        cdev_notdef(),                  /* 26 */
        cdev_spkr_init(NSPKR,spkr),     /* 27: PC speaker */
        cdev_notdef(),                  /* 28 was LKM */
        cdev_notdef(),                  /* 29 */
        cdev_dt_init(NDT,dt),           /* 30: dynamic tracer */
        cdev_notdef(),                  /* 31 */
        cdev_notdef(),                  /* 32 */
        cdev_notdef(),                  /* 33 */
        cdev_notdef(),                  /* 34 */
        cdev_notdef(),                  /* 35: Microsoft mouse */
        cdev_notdef(),                  /* 36: Logitech mouse */
        cdev_notdef(),                  /* 37: Extended PS/2 mouse */
        cdev_tty_init(NCY,cy),          /* 38: Cyclom serial port */
        cdev_notdef(),                  /* 39: Mitsumi CD-ROM */
        cdev_tun_init(NTUN,tun),        /* 40: network tunnel */
        cdev_disk_init(NVND,vnd),       /* 41: vnode disk driver */
        cdev_audio_init(NAUDIO,audio),  /* 42: generic audio I/O */
        cdev_notdef(),                  /* 43 */
        cdev_video_init(NVIDEO,video),  /* 44: generic video I/O */
        cdev_random_init(1,random),     /* 45: random data source */
        cdev_ocis_init(NPCTR,pctr),     /* 46: performance counters */
        cdev_disk_init(NRD,rd),         /* 47: ram disk driver */
        cdev_notdef(),                  /* 48 */
        cdev_bktr_init(NBKTR,bktr),     /* 49: Bt848 video capture device */
        cdev_ksyms_init(NKSYMS,ksyms),  /* 50: Kernel symbols device */
        cdev_kstat_init(NKSTAT,kstat),  /* 51: Kernel statistics */
        cdev_midi_init(NMIDI,midi),     /* 52: MIDI I/O */
        cdev_notdef(),                  /* 53 was: sequencer I/O */
        cdev_notdef(),                  /* 54 was: RAIDframe disk driver */
        cdev_notdef(),                  /* 55: */
        /* The following slots are reserved for isdn4bsd. */
        cdev_notdef(),                  /* 56: i4b main device */
        cdev_notdef(),                  /* 57: i4b control device */
        cdev_notdef(),                  /* 58: i4b raw b-channel access */
        cdev_notdef(),                  /* 59: i4b trace device */
        cdev_notdef(),                  /* 60: i4b phone device */
        /* End of reserved slots for isdn4bsd. */
        cdev_usb_init(NUSB,usb),        /* 61: USB controller */
        cdev_usbdev_init(NUHID,uhid),   /* 62: USB generic HID */
        cdev_usbdev_init(NUGEN,ugen),   /* 63: USB generic driver */
        cdev_ulpt_init(NULPT,ulpt),     /* 64: USB printers */
        cdev_notdef(),                  /* 65: urio */
        cdev_tty_init(NUCOM,ucom),      /* 66: USB tty */
        cdev_mouse_init(NWSKBD, wskbd), /* 67: keyboards */
        cdev_mouse_init(NWSMOUSE,       /* 68: mice */
            wsmouse),
        cdev_mouse_init(NWSMUX, wsmux), /* 69: ws multiplexor */
        cdev_notdef(),                  /* 70: was: /dev/crypto */
        cdev_tty_init(NCZ,cztty),       /* 71: Cyclades-Z serial port */
#ifdef USER_PCICONF
        cdev_pci_init(NPCI,pci),        /* 72: PCI user */
#else
        cdev_notdef(),
#endif
        cdev_pf_init(NPF,pf),           /* 73: packet filter */
        cdev_notdef(),                  /* 74: ALTQ (deprecated) */
        cdev_notdef(),
        cdev_radio_init(NRADIO, radio), /* 76: generic radio I/O */
        cdev_notdef(),                  /* 77: was USB scanners */
        cdev_notdef(),                  /* 78 */
        cdev_bio_init(NBIO,bio),        /* 79: ioctl tunnel */
        cdev_notdef(),                  /* 80 */
        cdev_ptm_init(NPTY,ptm),        /* 81: pseudo-tty ptm device */
        cdev_hotplug_init(NHOTPLUG,hotplug), /* 82: devices hot plugging */
        cdev_acpi_init(NACPI,acpi),     /* 83: ACPI */
        cdev_efi_init(NEFI,efi),        /* 84: EFI */
        cdev_nvram_init(NNVRAM,nvram),  /* 85: NVRAM interface */
        cdev_notdef(),                  /* 86 */
        cdev_drm_init(NDRM,drm),        /* 87: drm */
        cdev_gpio_init(NGPIO,gpio),     /* 88: gpio */
        cdev_vscsi_init(NVSCSI,vscsi),  /* 89: vscsi */
        cdev_disk_init(1,diskmap),      /* 90: disk mapper */
        cdev_pppx_init(NPPPX,pppx),     /* 91: pppx */
        cdev_fuse_init(NFUSE,fuse),     /* 92: fuse */
        cdev_tun_init(NTUN,tap),        /* 93: Ethernet network tunnel */
        cdev_tty_init(NVIOCON,viocon),  /* 94: virtio console */
        cdev_pvbus_init(NPVBUS,pvbus),  /* 95: pvbus(4) control interface */
        cdev_ipmi_init(NIPMI,ipmi),     /* 96: ipmi */
        cdev_notdef(),                  /* 97: was switch(4) */
        cdev_fido_init(NFIDO,fido),     /* 98: FIDO/U2F security keys */
        cdev_pppx_init(NPPPX,pppac),    /* 99: PPP Access Concentrator */
        cdev_ujoy_init(NUJOY,ujoy),     /* 100: USB joystick/gamecontroller */
        cdev_psp_init(NPSP,psp),        /* 101: PSP */
};
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) == 12);
}

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

const int chrtoblktbl[] = {
        /*VCHR*/        /*VBLK*/
        /*  0 */        NODEV,
        /*  1 */        NODEV,
        /*  2 */        NODEV,
        /*  3 */        0,              /* wd */
        /*  4 */        NODEV,
        /*  5 */        NODEV,
        /*  6 */        NODEV,
        /*  7 */        NODEV,
        /*  8 */        NODEV,
        /*  9 */        2,              /* fd */
        /* 10 */        NODEV,
        /* 11 */        NODEV,
        /* 12 */        NODEV,
        /* 13 */        4,              /* sd */
        /* 14 */        NODEV,
        /* 15 */        6,              /* cd */
        /* 16 */        NODEV,
        /* 17 */        NODEV,
        /* 18 */        NODEV,
        /* 19 */        NODEV,
        /* 20 */        NODEV,
        /* 21 */        NODEV,
        /* 22 */        NODEV,
        /* 23 */        NODEV,
        /* 24 */        NODEV,
        /* 25 */        NODEV,
        /* 26 */        NODEV,
        /* 27 */        NODEV,
        /* 28 */        NODEV,
        /* 29 */        NODEV,
        /* 30 */        NODEV,
        /* 31 */        NODEV,
        /* 32 */        NODEV,
        /* 33 */        NODEV,
        /* 34 */        NODEV,
        /* 35 */        NODEV,
        /* 36 */        NODEV,
        /* 37 */        NODEV,
        /* 38 */        NODEV,
        /* 39 */        NODEV,
        /* 40 */        NODEV,
        /* 41 */        14,             /* vnd */
        /* 42 */        NODEV,
        /* 43 */        NODEV,
        /* 44 */        NODEV,
        /* 45 */        NODEV,
        /* 46 */        NODEV,
        /* 47 */        17,             /* rd */
};

const int nchrtoblktbl = nitems(chrtoblktbl);

/*
 * In order to map BSD bdev numbers of disks to their BIOS equivalents
 * we use several heuristics, one being using checksums of the first
 * few blocks of a disk to get a signature we can match with /boot's
 * computed signatures.  To know where from to read, we must provide a
 * disk driver name -> bdev major number table, which follows.
 * Note: floppies are not included as those are differentiated by the BIOS.
 */
int findblkmajor(struct device *dv);
dev_t dev_rawpart(struct device *);     /* XXX */

dev_t
dev_rawpart(struct device *dv)
{
        int majdev;

        majdev = findblkmajor(dv);

        switch (majdev) {
        /* add here any device you want to be checksummed on boot */
        case 0:         /* wd */
        case 4:         /* sd */
                return (MAKEDISKDEV(majdev, dv->dv_unit, RAW_PART));
                break;
        default:
                ;
        }

        return (NODEV);
}

#include <dev/cons.h>

cons_decl(com);
cons_decl(ws);

struct  consdev constab[] = {
#if NWSDISPLAY > 0
        cons_init(ws),
#endif
#if NCOM > 0
        cons_init(com),
#endif
        { 0 },
};