BBN-Vax-TCP/dev/conf.c
/* conf.c 4.32+ 81/07/05 */
#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"
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 "tu.h"
#if NHT > 0
int htopen(),htclose(),htstrategy(),htread(),htwrite(),htdump(),htioctl();
#else
#define htopen nodev
#define htclose nodev
#define htstrategy nodev
#define htread nodev
#define htwrite nodev
#define htdump nodev
#define htioctl nodev
#endif
#include "rk.h"
#if NHK > 0
int rkstrategy(),rkread(),rkwrite(),rkintr(),rkdump(),rkreset();
#else
#define rkstrategy nodev
#define rkread nodev
#define rkwrite nodev
#define rkintr nodev
#define rkdump nodev
#define rkreset nodev
#endif
#include "te.h"
#if NTE > 0
int tmopen(),tmclose(),tmstrategy(),tmread(),tmwrite();
int tmioctl(),tmdump(),tmreset();
#else
#define tmopen nodev
#define tmclose nodev
#define tmstrategy nodev
#define tmread nodev
#define tmwrite nodev
#define tmioctl nodev
#define tmdump nodev
#define tmreset nodev
#endif
#include "ts.h"
#if NTS > 0
int tsopen(),tsclose(),tsstrategy(),tsread(),tswrite();
int tsioctl(),tsdump(),tsreset();
#else
#define tsopen nodev
#define tsclose nodev
#define tsstrategy nodev
#define tsread nodev
#define tswrite nodev
#define tsioctl nodev
#define tsdump nodev
#define tsreset nodev
#endif
#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 "acc.h"
#if NACC > 0
int accreset();
#else
#define accreset nulldev
#endif
#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 VAX780
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(),lpreset();
#else
#define lpopen nodev
#define lpclose nodev
#define lpwrite 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 NPTY > 0
int ptsopen(), ptsclose(), ptsread(), ptswrite();
int ptcopen(), ptcclose(), ptcread(), ptcwrite();
int ptyioctl();
struct tty pt_tty[];
#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
#define pt_tty 0
#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*/
htioctl, nodev, nulldev, 0,
vpopen, vpclose, nodev, vpwrite, /*6*/
vpioctl, nulldev, vpreset, 0,
nulldev, nulldev, swread, swwrite, /*7*/
nodev, nodev, nulldev, 0,
#if VAX780
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, rkreset, 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, tmreset, 0,
lpopen, lpclose, nodev, lpwrite, /*15*/
nodev, nodev, lpreset, 0,
tsopen, tsclose, tsread, tswrite, /*16*/
tsioctl, nodev, tsreset, 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, nulldev, nodev, pt_tty,
ptcopen, ptcclose, ptcread, ptcwrite, /*21*/
ptyioctl, nulldev, nodev, pt_tty,
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();
#include "bk.h"
#if NBK > 0
int bkopen(),bkclose(),bkread(),bkinput(),bkioctl();
#endif
int ntyopen(),ntyclose(),ntread();
char *ntwrite();
int ntyinput(),ntyrend();
struct linesw linesw[] =
{
ttyopen, nulldev, ttread, ttwrite, nullioctl,
ttyinput, ttyrend, nulldev, nulldev, nulldev, /* 0 */
#if NBK > 0
bkopen, bkclose, bkread, ttwrite, bkioctl,
bkinput, nodev, nulldev, ttstart, nulldev, /* 1 */
#else
nodev, nodev, nodev, (char *(*)())nodev, nodev,
nodev, nodev, nodev, nodev, nodev,
#endif
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 = 3;
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;