diff options
Diffstat (limited to 'sys/compat/linux/linux_fdio.c')
| -rw-r--r-- | sys/compat/linux/linux_fdio.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_fdio.c b/sys/compat/linux/linux_fdio.c new file mode 100644 index 00000000000..7c8db69da10 --- /dev/null +++ b/sys/compat/linux/linux_fdio.c @@ -0,0 +1,162 @@ +/* $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; +} |