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/* $OpenBSD: linux_fdio.c,v 1.1 2001/04/09 06:53:44 tholo Exp $ */
/* $NetBSD: linux_fdio.c,v 1.1 2000/12/10 14:12:16 fvdl Exp $ */
/*
* Copyright (c) 2000 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Frank van der Linden for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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/ioctl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/disklabel.h>
#include <sys/syscallargs.h>
#include <dev/isa/fdreg.h>
#include <compat/linux/linux_types.h>
#include <compat/linux/linux_ioctl.h>
#include <compat/linux/linux_signal.h>
#include <compat/linux/linux_util.h>
#include <compat/linux/linux_fdio.h>
#include <machine/ioctl_fd.h>
#include <compat/linux/linux_syscallargs.h>
int
linux_ioctl_fdio(struct proc *p, struct linux_sys_ioctl_args *uap,
register_t *retval)
{
struct filedesc *fdp;
struct file *fp;
int error;
int (*ioctlf) __P((struct file *, u_long, caddr_t, struct proc *));
u_long com;
struct fd_type fparams;
struct linux_floppy_struct lflop;
struct linux_floppy_drive_struct ldrive;
com = (u_long)SCARG(uap, data);
fdp = p->p_fd;
#if 1
if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
return (EBADF);
#else
if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL ||
(fp->f_iflags & FIF_WANTCLOSE) != 0)
return (EBADF);
FILE_USE(fp);
#endif
com = SCARG(uap, com);
ioctlf = fp->f_ops->fo_ioctl;
retval[0] = error = 0;
switch (com) {
case LINUX_FDMSGON:
case LINUX_FDMSGOFF:
case LINUX_FDTWADDLE:
case LINUX_FDCLRPRM:
/* whatever you say */
break;
case LINUX_FDPOLLDRVSTAT:
/*
* Just fill in some innocent defaults.
*/
memset(&ldrive, 0, sizeof ldrive);
ldrive.fd_ref = 1;
ldrive.maxblock = 2;
ldrive.maxtrack = ldrive.track = 1;
ldrive.flags = LINUX_FD_DISK_WRITABLE;
error = copyout(&ldrive, SCARG(uap, data), sizeof ldrive);
break;
case LINUX_FDGETPRM:
error = ioctlf(fp, FD_GTYPE, (caddr_t)&fparams, p);
if (error != 0)
break;
lflop.size = fparams.heads * fparams.sectrac * fparams.tracks;
lflop.sect = fparams.sectrac;
lflop.head = fparams.heads;
lflop.track = fparams.tracks;
lflop.stretch = fparams.step == 2 ? 1 : 0;
lflop.spec1 = fparams.steprate;
lflop.gap = fparams.gap1;
lflop.fmt_gap = fparams.gap2;
lflop.rate = fparams.rate;
error = copyout(&lflop, SCARG(uap, data), sizeof lflop);
break;
case LINUX_FDSETPRM:
/*
* Should use FDIOCSETFORMAT here, iff its interface
* is extended.
*/
case LINUX_FDDEFPRM:
case LINUX_FDFMTBEG:
case LINUX_FDFMTTRK:
case LINUX_FDFMTEND:
case LINUX_FDSETEMSGTRESH:
case LINUX_FDFLUSH:
case LINUX_FDSETMAXERRS:
case LINUX_FDGETMAXERRS:
case LINUX_FDGETDRVTYP:
case LINUX_FDSETDRVPRM:
case LINUX_FDGETDRVPRM:
case LINUX_FDGETDRVSTAT:
case LINUX_FDRESET:
case LINUX_FDGETFDCSTAT:
case LINUX_FDWERRORCLR:
case LINUX_FDWERRORGET:
case LINUX_FDRAWCMD:
case LINUX_FDEJECT:
default:
error = EINVAL;
}
#ifdef notdef
FILE_UNUSE(fp, p);
#endif
return 0;
}
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