534 lines
12 KiB
C
534 lines
12 KiB
C
/* $NetBSD: wsdisplay_compat_usl.c,v 1.30 2005/12/11 12:24:12 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998
|
|
* Matthias Drochner. 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.
|
|
*
|
|
* 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: wsdisplay_compat_usl.c,v 1.30 2005/12/11 12:24:12 christos Exp $");
|
|
|
|
#include "opt_compat_freebsd.h"
|
|
#include "opt_compat_netbsd.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/callout.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/signalvar.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/errno.h>
|
|
|
|
#include <dev/wscons/wsconsio.h>
|
|
#include <dev/wscons/wsdisplayvar.h>
|
|
#include <dev/wscons/wscons_callbacks.h>
|
|
#include <dev/wscons/wsdisplay_usl_io.h>
|
|
|
|
#include "opt_wsdisplay_compat.h"
|
|
|
|
struct usl_syncdata {
|
|
struct wsscreen *s_scr;
|
|
struct proc *s_proc;
|
|
pid_t s_pid;
|
|
int s_flags;
|
|
#define SF_DETACHPENDING 1
|
|
#define SF_ATTACHPENDING 2
|
|
int s_acqsig, s_relsig;
|
|
int s_frsig; /* unused */
|
|
void (*s_callback)(void *, int, int);
|
|
void *s_cbarg;
|
|
struct callout s_attach_ch;
|
|
struct callout s_detach_ch;
|
|
};
|
|
|
|
static int usl_sync_init(struct wsscreen *, struct usl_syncdata **,
|
|
struct proc *, int, int, int);
|
|
static void usl_sync_done(struct usl_syncdata *);
|
|
static int usl_sync_check(struct usl_syncdata *);
|
|
static struct usl_syncdata *usl_sync_get(struct wsscreen *);
|
|
|
|
static int usl_detachproc(void *, int, void (*)(void *, int, int), void *);
|
|
static int usl_detachack(struct usl_syncdata *, int);
|
|
static void usl_detachtimeout(void *);
|
|
static int usl_attachproc(void *, int, void (*)(void *, int, int), void *);
|
|
static int usl_attachack(struct usl_syncdata *, int);
|
|
static void usl_attachtimeout(void *);
|
|
|
|
static const struct wscons_syncops usl_syncops = {
|
|
usl_detachproc,
|
|
usl_attachproc,
|
|
#define _usl_sync_check ((int (*)(void *))usl_sync_check)
|
|
_usl_sync_check,
|
|
#define _usl_sync_destroy ((void (*)(void *))usl_sync_done)
|
|
_usl_sync_destroy
|
|
};
|
|
|
|
#ifndef WSCOMPAT_USL_SYNCTIMEOUT
|
|
#define WSCOMPAT_USL_SYNCTIMEOUT 5 /* seconds */
|
|
#endif
|
|
static int wscompat_usl_synctimeout = WSCOMPAT_USL_SYNCTIMEOUT;
|
|
|
|
static int
|
|
usl_sync_init(struct wsscreen *scr, struct usl_syncdata **sdp,
|
|
struct proc *p, int acqsig, int relsig, int frsig)
|
|
{
|
|
struct usl_syncdata *sd;
|
|
int res;
|
|
|
|
sd = malloc(sizeof(struct usl_syncdata), M_DEVBUF, M_WAITOK);
|
|
if (!sd)
|
|
return (ENOMEM);
|
|
sd->s_scr = scr;
|
|
sd->s_proc = p;
|
|
sd->s_pid = p->p_pid;
|
|
sd->s_flags = 0;
|
|
sd->s_acqsig = acqsig;
|
|
sd->s_relsig = relsig;
|
|
sd->s_frsig = frsig;
|
|
callout_init(&sd->s_attach_ch);
|
|
callout_init(&sd->s_detach_ch);
|
|
res = wsscreen_attach_sync(scr, &usl_syncops, sd);
|
|
if (res) {
|
|
free(sd, M_DEVBUF);
|
|
return (res);
|
|
}
|
|
*sdp = sd;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
usl_sync_done(struct usl_syncdata *sd)
|
|
{
|
|
if (sd->s_flags & SF_DETACHPENDING) {
|
|
callout_stop(&sd->s_detach_ch);
|
|
(*sd->s_callback)(sd->s_cbarg, 0, 0);
|
|
}
|
|
if (sd->s_flags & SF_ATTACHPENDING) {
|
|
callout_stop(&sd->s_attach_ch);
|
|
(*sd->s_callback)(sd->s_cbarg, ENXIO, 0);
|
|
}
|
|
wsscreen_detach_sync(sd->s_scr);
|
|
free(sd, M_DEVBUF);
|
|
}
|
|
|
|
static int
|
|
usl_sync_check(struct usl_syncdata *sd)
|
|
{
|
|
if (sd->s_proc == pfind(sd->s_pid))
|
|
return (1);
|
|
printf("usl_sync_check: process %d died\n", sd->s_pid);
|
|
usl_sync_done(sd);
|
|
return (0);
|
|
}
|
|
|
|
static struct usl_syncdata *
|
|
usl_sync_get(struct wsscreen *scr)
|
|
{
|
|
void *sd;
|
|
|
|
if (wsscreen_lookup_sync(scr, &usl_syncops, &sd))
|
|
return (0);
|
|
return (struct usl_syncdata *)sd;
|
|
}
|
|
|
|
static int
|
|
usl_detachproc(void *cookie, int waitok, void (*callback)(void *, int, int),
|
|
void *cbarg)
|
|
{
|
|
struct usl_syncdata *sd = cookie;
|
|
|
|
if (!usl_sync_check(sd))
|
|
return (0);
|
|
|
|
/* we really need a callback */
|
|
if (!callback)
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* Normally, this is called from the controlling process.
|
|
* Is is supposed to reply with a VT_RELDISP ioctl(), so
|
|
* it is not useful to tsleep() here.
|
|
*/
|
|
sd->s_callback = callback;
|
|
sd->s_cbarg = cbarg;
|
|
sd->s_flags |= SF_DETACHPENDING;
|
|
psignal(sd->s_proc, sd->s_relsig);
|
|
callout_reset(&sd->s_detach_ch, wscompat_usl_synctimeout * hz,
|
|
usl_detachtimeout, sd);
|
|
|
|
return (EAGAIN);
|
|
}
|
|
|
|
static int
|
|
usl_detachack(struct usl_syncdata *sd, int ack)
|
|
{
|
|
if (!(sd->s_flags & SF_DETACHPENDING)) {
|
|
printf("usl_detachack: not detaching\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
callout_stop(&sd->s_detach_ch);
|
|
sd->s_flags &= ~SF_DETACHPENDING;
|
|
|
|
if (sd->s_callback)
|
|
(*sd->s_callback)(sd->s_cbarg, (ack ? 0 : EIO), 1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
usl_detachtimeout(void *arg)
|
|
{
|
|
struct usl_syncdata *sd = arg;
|
|
|
|
printf("usl_detachtimeout\n");
|
|
|
|
if (!(sd->s_flags & SF_DETACHPENDING)) {
|
|
printf("usl_detachtimeout: not detaching\n");
|
|
return;
|
|
}
|
|
|
|
sd->s_flags &= ~SF_DETACHPENDING;
|
|
|
|
if (sd->s_callback)
|
|
(*sd->s_callback)(sd->s_cbarg, EIO, 0);
|
|
|
|
(void) usl_sync_check(sd);
|
|
}
|
|
|
|
static int
|
|
usl_attachproc(void *cookie, int waitok, void (*callback)(void *, int, int),
|
|
void *cbarg)
|
|
{
|
|
struct usl_syncdata *sd = cookie;
|
|
|
|
if (!usl_sync_check(sd))
|
|
return (0);
|
|
|
|
/* we really need a callback */
|
|
if (!callback)
|
|
return (EINVAL);
|
|
|
|
sd->s_callback = callback;
|
|
sd->s_cbarg = cbarg;
|
|
sd->s_flags |= SF_ATTACHPENDING;
|
|
psignal(sd->s_proc, sd->s_acqsig);
|
|
callout_reset(&sd->s_attach_ch, wscompat_usl_synctimeout * hz,
|
|
usl_attachtimeout, sd);
|
|
|
|
return (EAGAIN);
|
|
}
|
|
|
|
static int
|
|
usl_attachack(struct usl_syncdata *sd, int ack)
|
|
{
|
|
if (!(sd->s_flags & SF_ATTACHPENDING)) {
|
|
printf("usl_attachack: not attaching\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
callout_stop(&sd->s_attach_ch);
|
|
sd->s_flags &= ~SF_ATTACHPENDING;
|
|
|
|
if (sd->s_callback)
|
|
(*sd->s_callback)(sd->s_cbarg, (ack ? 0 : EIO), 1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
usl_attachtimeout(void *arg)
|
|
{
|
|
struct usl_syncdata *sd = arg;
|
|
|
|
printf("usl_attachtimeout\n");
|
|
|
|
if (!(sd->s_flags & SF_ATTACHPENDING)) {
|
|
printf("usl_attachtimeout: not attaching\n");
|
|
return;
|
|
}
|
|
|
|
sd->s_flags &= ~SF_ATTACHPENDING;
|
|
|
|
if (sd->s_callback)
|
|
(*sd->s_callback)(sd->s_cbarg, EIO, 0);
|
|
|
|
(void) usl_sync_check(sd);
|
|
}
|
|
|
|
int
|
|
wsdisplay_usl_ioctl1(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
|
|
int flag, struct lwp *l)
|
|
{
|
|
int idx, maxidx;
|
|
|
|
switch (cmd) {
|
|
case VT_OPENQRY:
|
|
maxidx = wsdisplay_maxscreenidx(sc);
|
|
for (idx = 0; idx <= maxidx; idx++) {
|
|
if (wsdisplay_screenstate(sc, idx) == 0) {
|
|
*(int *)data = idx + 1;
|
|
return (0);
|
|
}
|
|
}
|
|
return (ENXIO);
|
|
case VT_GETACTIVE:
|
|
idx = wsdisplay_getactivescreen(sc);
|
|
*(int *)data = idx + 1;
|
|
return (0);
|
|
case VT_ACTIVATE:
|
|
/*
|
|
* a gross and disgusting hack to make this abused up ioctl,
|
|
* which is a gross and disgusting hack on its own, work on
|
|
* LP64/BE - we want the lower 32bit so we simply dereference
|
|
* the argument pointer as long. May cause problems with 32bit
|
|
* kernels on sparc64?
|
|
*/
|
|
|
|
idx = *(long *)data - 1;
|
|
if (idx < 0)
|
|
return (EINVAL);
|
|
return (wsdisplay_switch((struct device *)sc, idx, 1));
|
|
case VT_WAITACTIVE:
|
|
idx = *(long *)data - 1;
|
|
if (idx < 0)
|
|
return (EINVAL);
|
|
return (wsscreen_switchwait(sc, idx));
|
|
case VT_GETSTATE:
|
|
#define ss ((struct vt_stat *)data)
|
|
idx = wsdisplay_getactivescreen(sc);
|
|
ss->v_active = idx + 1;
|
|
ss->v_state = 0;
|
|
maxidx = wsdisplay_maxscreenidx(sc);
|
|
for (idx = 0; idx <= maxidx; idx++)
|
|
if (wsdisplay_screenstate(sc, idx) == EBUSY)
|
|
ss->v_state |= (1 << (idx + 1));
|
|
#undef ss
|
|
return (0);
|
|
|
|
#ifdef WSDISPLAY_COMPAT_PCVT
|
|
case VGAPCVTID:
|
|
#define id ((struct pcvtid *)data)
|
|
strlcpy(id->name, "pcvt", sizeof(id->name));
|
|
id->rmajor = 3;
|
|
id->rminor = 32;
|
|
#undef id
|
|
return (0);
|
|
#endif
|
|
#ifdef WSDISPLAY_COMPAT_SYSCONS
|
|
case CONS_GETVERS:
|
|
*(int *)data = 0x200; /* version 2.0 */
|
|
return (0);
|
|
#endif
|
|
|
|
default:
|
|
return (EPASSTHROUGH);
|
|
}
|
|
}
|
|
|
|
int
|
|
wsdisplay_usl_ioctl2(struct wsdisplay_softc *sc, struct wsscreen *scr,
|
|
u_long cmd, caddr_t data, int flag, struct lwp *l)
|
|
{
|
|
struct proc *p = l->l_proc;
|
|
int intarg, res;
|
|
u_long req;
|
|
void *arg;
|
|
struct usl_syncdata *sd;
|
|
struct wskbd_bell_data bd;
|
|
|
|
switch (cmd) {
|
|
case VT_SETMODE:
|
|
#define newmode ((struct vt_mode *)data)
|
|
if (newmode->mode == VT_PROCESS) {
|
|
res = usl_sync_init(scr, &sd, p, newmode->acqsig,
|
|
newmode->relsig, newmode->frsig);
|
|
if (res)
|
|
return (res);
|
|
} else {
|
|
sd = usl_sync_get(scr);
|
|
if (sd)
|
|
usl_sync_done(sd);
|
|
}
|
|
#undef newmode
|
|
return (0);
|
|
case VT_GETMODE:
|
|
#define cmode ((struct vt_mode *)data)
|
|
sd = usl_sync_get(scr);
|
|
if (sd) {
|
|
cmode->mode = VT_PROCESS;
|
|
cmode->relsig = sd->s_relsig;
|
|
cmode->acqsig = sd->s_acqsig;
|
|
cmode->frsig = sd->s_frsig;
|
|
} else
|
|
cmode->mode = VT_AUTO;
|
|
#undef cmode
|
|
return (0);
|
|
case VT_RELDISP:
|
|
#define d (*(long *)data)
|
|
sd = usl_sync_get(scr);
|
|
if (!sd)
|
|
return (EINVAL);
|
|
switch (d) {
|
|
case VT_FALSE:
|
|
case VT_TRUE:
|
|
return (usl_detachack(sd, (d == VT_TRUE)));
|
|
case VT_ACKACQ:
|
|
return (usl_attachack(sd, 1));
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
#undef d
|
|
|
|
case KDENABIO:
|
|
if (suser(p->p_ucred, &p->p_acflag) || securelevel > 1)
|
|
return (EPERM);
|
|
/* FALLTHRU */
|
|
case KDDISABIO:
|
|
#if defined(__i386__)
|
|
#if defined(COMPAT_10) || defined(COMPAT_11) || defined(COMPAT_FREEBSD)
|
|
{
|
|
/* XXX NJWLWP */
|
|
struct trapframe *fp = (struct trapframe *)curlwp->l_md.md_regs;
|
|
if (cmd == KDENABIO)
|
|
fp->tf_eflags |= PSL_IOPL;
|
|
else
|
|
fp->tf_eflags &= ~PSL_IOPL;
|
|
}
|
|
#endif
|
|
#endif
|
|
return (0);
|
|
case KDSETRAD:
|
|
/* XXX ignore for now */
|
|
return (0);
|
|
|
|
default:
|
|
return (EPASSTHROUGH);
|
|
|
|
/*
|
|
* the following are converted to wsdisplay ioctls
|
|
*/
|
|
case KDSETMODE:
|
|
req = WSDISPLAYIO_SMODE;
|
|
#define d (*(int *)data)
|
|
switch (d) {
|
|
case KD_GRAPHICS:
|
|
intarg = WSDISPLAYIO_MODE_MAPPED;
|
|
break;
|
|
case KD_TEXT:
|
|
intarg = WSDISPLAYIO_MODE_EMUL;
|
|
break;
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
#undef d
|
|
arg = &intarg;
|
|
break;
|
|
case KDMKTONE:
|
|
req = WSKBDIO_COMPLEXBELL;
|
|
#define d (*(int *)data)
|
|
if (d) {
|
|
#define PCVT_SYSBEEPF 1193182
|
|
if (d >> 16) {
|
|
bd.which = WSKBD_BELL_DOPERIOD;
|
|
bd.period = d >> 16; /* ms */
|
|
}
|
|
else
|
|
bd.which = 0;
|
|
if (d & 0xffff) {
|
|
bd.which |= WSKBD_BELL_DOPITCH;
|
|
bd.pitch = PCVT_SYSBEEPF/(d & 0xffff); /* Hz */
|
|
}
|
|
} else
|
|
bd.which = 0; /* default */
|
|
#undef d
|
|
arg = &bd;
|
|
break;
|
|
case KDSETLED:
|
|
req = WSKBDIO_SETLEDS;
|
|
intarg = 0;
|
|
#define d (*(int *)data)
|
|
if (d & LED_CAP)
|
|
intarg |= WSKBD_LED_CAPS;
|
|
if (d & LED_NUM)
|
|
intarg |= WSKBD_LED_NUM;
|
|
if (d & LED_SCR)
|
|
intarg |= WSKBD_LED_SCROLL;
|
|
#undef d
|
|
arg = &intarg;
|
|
break;
|
|
case KDGETLED:
|
|
req = WSKBDIO_GETLEDS;
|
|
arg = &intarg;
|
|
break;
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
case KDSKBMODE:
|
|
req = WSKBDIO_SETMODE;
|
|
switch (*(int *)data) {
|
|
case K_RAW:
|
|
intarg = WSKBD_RAW;
|
|
break;
|
|
case K_XLATE:
|
|
intarg = WSKBD_TRANSLATED;
|
|
break;
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
arg = &intarg;
|
|
break;
|
|
case KDGKBMODE:
|
|
req = WSKBDIO_GETMODE;
|
|
arg = &intarg;
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
res = wsdisplay_internal_ioctl(sc, scr, req, arg, flag, l);
|
|
if (res != EPASSTHROUGH)
|
|
return (res);
|
|
|
|
switch (cmd) {
|
|
case KDGETLED:
|
|
#define d (*(int *)data)
|
|
d = 0;
|
|
if (intarg & WSKBD_LED_CAPS)
|
|
d |= LED_CAP;
|
|
if (intarg & WSKBD_LED_NUM)
|
|
d |= LED_NUM;
|
|
if (intarg & WSKBD_LED_SCROLL)
|
|
d |= LED_SCR;
|
|
#undef d
|
|
break;
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
case KDGKBMODE:
|
|
*(int *)data = (intarg == WSKBD_RAW ? K_RAW : K_XLATE);
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
return (0);
|
|
}
|