[unix-history] / usr / src / sys / vax / vax / conf.c

/*      conf.c  4.19    %G%     */

#include "../h/param.h"
#include "../h/systm.h"
#include "../h/buf.h"
#include "../h/tty.h"
#include "../h/conf.h"
#include "../h/text.h"
#include "../h/dir.h"
#include "../h/user.h"
#include "../h/proc.h"
#include "../h/file.h"
#include "../h/inode.h"
#include "../h/acct.h"
#include "../h/pte.h"
#include "../h/mba.h"

int     nulldev();
int     nodev();

#include "hp.h"
#if NHP > 0
int     hpstrategy(),hpread(),hpwrite(),hpintr(),hpdump();
#else
#define hpstrategy      nodev
#define hpread          nodev
#define hpwrite         nodev
#define hpintr          nodev
#define hpdump          nodev
#endif

#include "ht.h"
#if NHT > 0
int     htopen(),htclose(),htstrategy(),htread(),htwrite(),htdump();
#else
#define htopen          nodev
#define htclose         nodev
#define htstrategy      nodev
#define htread          nodev
#define htwrite         nodev
#define htdump          0
#endif

#include "rk.h"
#if NHK > 0
int     rkstrategy(),rkread(),rkwrite(),rkintr(),rkdump();
#else
#define rkstrategy      nodev
#define rkread          nodev
#define rkwrite         nodev
#define rkintr          nodev
#define rkdump          nodev
#endif

#include "te.h"
#if NTM > 0
int     tmopen(),tmclose(),tmstrategy(),tmread(),tmwrite(),tmioctl(),tmdump();
#else
#define tmopen          nodev
#define tmclose         nodev
#define tmstrategy      nodev
#define tmread          nodev
#define tmwrite         nodev
#define tmioctl         nodev
#define tmdump          nodev
#endif

#define tsopen          nodev
#define tsclose         nodev
#define tsstrategy      nodev
#define tsread          nodev
#define tswrite         nodev
#define tsdump          nodev

#include "up.h"
#if NSC > 0
int     upstrategy(),upread(),upwrite(),upreset(),updump();
#else
#define upstrategy      nodev
#define upread          nodev
#define upwrite         nodev
#define upreset         nulldev
#define updump          nodev
#endif

int     swstrategy(),swread(),swwrite();

struct bdevsw   bdevsw[] =
{
       nulldev,        nulldev,        hpstrategy,     hpdump, 0,      /*0*/
       htopen,         htclose,        htstrategy,     htdump, B_TAPE, /*1*/
       nulldev,        nulldev,        upstrategy,     updump, 0,      /*2*/
       nulldev,        nulldev,        rkstrategy,     rkdump, 0,      /*3*/
       nodev,          nodev,          swstrategy,     nodev,  0,      /*4*/
       tmopen,         tmclose,        tmstrategy,     tmdump, B_TAPE, /*5*/
       tsopen,         tsclose,        tsstrategy,     tsdump, B_TAPE, /*6*/
       0,
};

int     cnopen(),cnclose(),cnread(),cnwrite(),cnioctl();
struct tty cons;

#include "ct.h"
#if NCT > 0
int     ctopen(),ctclose(),ctwrite();
#else
#define ctopen  nulldev
#define ctclose nulldev
#define ctwrite nulldev
#endif

#include "dh.h"
#if NDH == 0
#define dhopen  nodev
#define dhclose nodev
#define dhread  nodev
#define dhwrite nodev
#define dhioctl nodev
#define dhstop  nodev
#define dhreset nulldev
#define dh11    0
#else
int     dhopen(),dhclose(),dhread(),dhwrite(),dhioctl(),dhstop(),dhreset();
struct  tty dh11[];
#endif

#if VAX==780
int     flopen(),flclose(),flread(),flwrite();
#endif

#include "dz.h"
#if NDZ == 0
#define dzopen  nodev
#define dzclose nodev
#define dzread  nodev
#define dzwrite nodev
#define dzioctl nodev
#define dzstop  nodev
#define dzreset nulldev
#define dz_tty  0
#else
int     dzopen(),dzclose(),dzread(),dzwrite(),dzioctl(),dzstop(),dzreset();
struct  tty dz_tty[];
#endif

#include "lp.h"
#if NLP > 0
int     lpopen(),lpclose(),lpwrite(),lpioctl(),lpreset();
#else
#define lpopen          nodev
#define lpclose         nodev
#define lpwrite         nodev
#define lpioctl         nodev
#define lpreset         nulldev
#endif

int     syopen(),syread(),sywrite(),syioctl();

int     mmread(),mmwrite();

#include "va.h"
#if NVA > 0
int     vaopen(),vaclose(),vawrite(),vaioctl(),vareset();
#else
#define vaopen  nodev
#define vaclose nodev
#define vawrite nodev
#define vaopen  nodev
#define vaioctl nodev
#define vareset nulldev
#endif

#include "vp.h"
#if NVP > 0
int     vpopen(),vpclose(),vpwrite(),vpioctl(),vpreset();
#else
#define vpopen  nodev
#define vpclose nodev
#define vpwrite nodev
#define vpioctl nodev
#define vpreset nulldev
#endif

int     mxopen(),mxclose(),mxread(),mxwrite(),mxioctl();
int     mcread();
char    *mcwrite();

#include "pty.h"
#if WANTPTY > 0
int     ptsopen(), ptsclose(), ptsread(), ptswrite();
int     ptcopen(), ptcclose(), ptcread(), ptcwrite();
int     ptyioctl();
#else
#define ptsopen nodev
#define ptsclose nodev
#define ptsread nodev
#define ptswrite nodev
#define ptcopen nodev
#define ptcclose nodev
#define ptcread nodev
#define ptcwrite nodev
#define ptyioctl nodev
#endif

struct cdevsw   cdevsw[] =
{
       cnopen,         cnclose,        cnread,         cnwrite,        /*0*/
       cnioctl,        nulldev,        nulldev,        &cons,
       dzopen,         dzclose,        dzread,         dzwrite,        /*1*/
       dzioctl,        dzstop,         dzreset,        dz_tty,
       syopen,         nulldev,        syread,         sywrite,        /*2*/
       syioctl,        nulldev,        nulldev,        0,
       nulldev,        nulldev,        mmread,         mmwrite,        /*3*/
       nodev,          nulldev,        nulldev,        0,
       nulldev,        nulldev,        hpread,         hpwrite,        /*4*/
       nodev,          nodev,          nulldev,        0,
       htopen,         htclose,        htread,         htwrite,        /*5*/
       nodev,          nodev,          nulldev,        0,
       vpopen,         vpclose,        nodev,          vpwrite,        /*6*/
       vpioctl,        nulldev,        vpreset,        0,
       nulldev,        nulldev,        swread,         swwrite,        /*7*/
       nodev,          nodev,          nulldev,        0,
#if VAX==780
       flopen,         flclose,        flread,         flwrite,        /*8*/
       nodev,          nodev,          nulldev,        0,
#else
       nodev,          nodev,          nodev,          nodev,          /*8*/
       nodev,          nodev,          nodev,          0,
#endif
       mxopen,         mxclose,        mxread,         mxwrite,        /*9*/
       mxioctl,        nulldev,        nulldev,        0,
       vaopen,         vaclose,        nodev,          vawrite,        /*10*/
       vaioctl,        nulldev,        vareset,        0,
       nulldev,        nulldev,        rkread,         rkwrite,        /*11*/
       nodev,          nodev,          nulldev,        0,
       dhopen,         dhclose,        dhread,         dhwrite,        /*12*/
       dhioctl,        dhstop,         dhreset,        dh11,
       nulldev,        nulldev,        upread,         upwrite,        /*13*/
       nodev,          nodev,          upreset,        0,
       tmopen,         tmclose,        tmread,         tmwrite,        /*14*/
       tmioctl,        nodev,          nulldev,        0,
       lpopen,         lpclose,        nodev,          lpwrite,        /*15*/
       lpioctl,        nodev,          lpreset,        0,
       tsopen,         tsclose,        tsread,         tswrite,        /*16*/
       nodev,          nodev,          nulldev,        0,
       nodev,          nodev,          nodev,          nodev,          /*17*/
       nodev,          nodev,          nulldev,        0,
       ctopen,         ctclose,        nodev,          ctwrite,        /*18*/
       nodev,          nodev,          nulldev,        0,
       nodev,          nodev,          nodev,          nodev,          /*19*/
       nodev,          nodev,          nulldev,        0,
       ptsopen,        ptsclose,       ptsread,        ptswrite,       /*20*/
       ptyioctl,       nodev,          nodev,          0,
       ptcopen,        ptcclose,       ptcread,        ptcwrite,       /*21*/
       ptyioctl,       nodev,          nodev,          0,
       nodev,          nodev,          nodev,          nodev,          /*22*/
       nodev,          nodev,          nodev,          0,
       nodev,          nodev,          nodev,          nodev,          /*23*/
       nodev,          nodev,          nodev,          0,
       nodev,          nodev,          nodev,          nodev,          /*24*/
       nodev,          nodev,          nodev,          0,
/* 25-29 reserved to local sites */
       0,      
};

int     ttyopen(),ttread(),nullioctl(),ttstart();
char    *ttwrite();
int     ttyinput(),ttyrend();
int     bkopen(),bkclose(),bkread(),bkinput(),bkioctl();
int     ntyopen(),ntyclose(),ntread();
char    *ntwrite();
int     ntyinput(),ntyrend();

struct  linesw linesw[] =
{
       ttyopen, nulldev, ttread, ttwrite, nullioctl,
       ttyinput, ttyrend, nulldev, nulldev, nulldev,           /* 0 */
       bkopen, bkclose, bkread, ttwrite, bkioctl,
       bkinput, nodev, nulldev, ttstart, nulldev,              /* 1 */
       ntyopen, ntyclose, ntread, ntwrite, nullioctl,
       ntyinput, ntyrend, nulldev, ttstart, nulldev,           /* 2 */
       mxopen, mxclose, mcread, mcwrite, mxioctl,
       nulldev, nulldev, nulldev, nulldev, nulldev,            /* 3 */
       0
};

int     nldisp = 4;

struct  buf     buf[NBUF];
struct  file    file[NFILE];
struct  inode   inode[NINODE];
struct  text    text[NTEXT];
struct  proc    proc[NPROC];
struct  buf     bfreelist[BQUEUES];     /* buffer chain headers */
struct  buf     bswlist;        /* free list of swap headers */
struct  buf     *bclnlist;      /* header for list of cleaned pages */
struct  acct    acctbuf;
struct  inode   *acctp;

int     mem_no = 3;     /* 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(4, 0);

extern struct user u;