bfac1583db
run 32bit Xorg server with VESA driver. Submitted by: John Wehle <john feith com> MFC after: 1 week
294 lines
7.4 KiB
C
294 lines
7.4 KiB
C
/*-
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* Copyright (c) 2008 David E. O'Brien
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_compat.h"
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#include <sys/param.h>
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#include <sys/cdio.h>
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#include <sys/fcntl.h>
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#include <sys/filio.h>
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#include <sys/file.h>
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#include <sys/ioccom.h>
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#include <sys/malloc.h>
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#include <sys/mdioctl.h>
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#include <sys/memrange.h>
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#include <sys/proc.h>
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#include <sys/syscall.h>
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#include <sys/syscallsubr.h>
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#include <sys/sysctl.h>
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#include <sys/sysent.h>
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#include <sys/sysproto.h>
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#include <sys/systm.h>
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#include <compat/freebsd32/freebsd32.h>
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#include <compat/freebsd32/freebsd32_ioctl.h>
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#include <compat/freebsd32/freebsd32_proto.h>
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/* Cannot get exact size in 64-bit due to alignment issue of entire struct. */
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CTASSERT((sizeof(struct md_ioctl32)+4) == 436);
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CTASSERT(sizeof(struct ioc_read_toc_entry32) == 8);
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CTASSERT(sizeof(struct ioc_toc_header32) == 4);
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CTASSERT(sizeof(struct mem_range_op32) == 12);
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static int
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freebsd32_ioctl_md(struct thread *td, struct freebsd32_ioctl_args *uap,
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struct file *fp)
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{
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struct md_ioctl mdv;
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struct md_ioctl32 md32;
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u_long com = 0;
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int i, error;
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if (uap->com & IOC_IN) {
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if ((error = copyin(uap->data, &md32, sizeof(md32)))) {
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return (error);
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}
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CP(md32, mdv, md_version);
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CP(md32, mdv, md_unit);
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CP(md32, mdv, md_type);
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PTRIN_CP(md32, mdv, md_file);
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CP(md32, mdv, md_mediasize);
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CP(md32, mdv, md_sectorsize);
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CP(md32, mdv, md_options);
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CP(md32, mdv, md_base);
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CP(md32, mdv, md_fwheads);
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CP(md32, mdv, md_fwsectors);
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} else if (uap->com & IOC_OUT) {
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/*
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* Zero the buffer so the user always
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* gets back something deterministic.
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*/
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bzero(&mdv, sizeof mdv);
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}
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switch (uap->com) {
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case MDIOCATTACH_32:
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com = MDIOCATTACH;
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break;
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case MDIOCDETACH_32:
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com = MDIOCDETACH;
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break;
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case MDIOCQUERY_32:
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com = MDIOCQUERY;
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break;
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case MDIOCLIST_32:
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com = MDIOCLIST;
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break;
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default:
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panic("%s: unknown MDIOC %#x", __func__, uap->com);
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}
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error = fo_ioctl(fp, com, (caddr_t)&mdv, td->td_ucred, td);
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if (error == 0 && (com & IOC_OUT)) {
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CP(mdv, md32, md_version);
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CP(mdv, md32, md_unit);
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CP(mdv, md32, md_type);
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PTROUT_CP(mdv, md32, md_file);
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CP(mdv, md32, md_mediasize);
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CP(mdv, md32, md_sectorsize);
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CP(mdv, md32, md_options);
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CP(mdv, md32, md_base);
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CP(mdv, md32, md_fwheads);
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CP(mdv, md32, md_fwsectors);
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if (com == MDIOCLIST) {
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/*
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* Use MDNPAD, and not MDNPAD32. Padding is
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* allocated and used by compat32 ABI.
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*/
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for (i = 0; i < MDNPAD; i++)
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CP(mdv, md32, md_pad[i]);
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}
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error = copyout(&md32, uap->data, sizeof(md32));
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}
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return error;
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}
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static int
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freebsd32_ioctl_ioc_toc_header(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct ioc_toc_header toch;
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struct ioc_toc_header32 toch32;
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int error;
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if ((error = copyin(uap->data, &toch32, sizeof(toch32))))
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return (error);
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CP(toch32, toch, len);
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CP(toch32, toch, starting_track);
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CP(toch32, toch, ending_track);
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error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&toch,
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td->td_ucred, td);
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return (error);
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}
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static int
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freebsd32_ioctl_ioc_read_toc(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct ioc_read_toc_entry toce;
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struct ioc_read_toc_entry32 toce32;
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int error;
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if ((error = copyin(uap->data, &toce32, sizeof(toce32))))
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return (error);
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CP(toce32, toce, address_format);
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CP(toce32, toce, starting_track);
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CP(toce32, toce, data_len);
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PTRIN_CP(toce32, toce, data);
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if ((error = fo_ioctl(fp, CDIOREADTOCENTRYS, (caddr_t)&toce,
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td->td_ucred, td))) {
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CP(toce, toce32, address_format);
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CP(toce, toce32, starting_track);
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CP(toce, toce32, data_len);
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PTROUT_CP(toce, toce32, data);
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error = copyout(&toce32, uap->data, sizeof(toce32));
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}
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return error;
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}
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static int
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freebsd32_ioctl_fiodgname(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct fiodgname_arg fgn;
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struct fiodgname_arg32 fgn32;
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int error;
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if ((error = copyin(uap->data, &fgn32, sizeof fgn32)) != 0)
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return (error);
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CP(fgn32, fgn, len);
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PTRIN_CP(fgn32, fgn, buf);
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error = fo_ioctl(fp, FIODGNAME, (caddr_t)&fgn, td->td_ucred, td);
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return (error);
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}
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static int
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freebsd32_ioctl_memrange(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct mem_range_op mro;
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struct mem_range_op32 mro32;
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int error;
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u_long com;
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if ((error = copyin(uap->data, &mro32, sizeof(mro32))) != 0)
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return (error);
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PTRIN_CP(mro32, mro, mo_desc);
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CP(mro32, mro, mo_arg[0]);
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CP(mro32, mro, mo_arg[1]);
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com = 0;
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switch (uap->com) {
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case MEMRANGE_GET32:
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com = MEMRANGE_GET;
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break;
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case MEMRANGE_SET32:
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com = MEMRANGE_SET;
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break;
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default:
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panic("%s: unknown MEMRANGE %#x", __func__, uap->com);
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}
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if ((error = fo_ioctl(fp, com, (caddr_t)&mro, td->td_ucred, td)) != 0)
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return (error);
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if ( (com & IOC_OUT) ) {
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CP(mro, mro32, mo_arg[0]);
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CP(mro, mro32, mo_arg[1]);
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error = copyout(&mro32, uap->data, sizeof(mro32));
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}
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return (error);
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}
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int
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freebsd32_ioctl(struct thread *td, struct freebsd32_ioctl_args *uap)
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{
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struct ioctl_args ap /*{
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int fd;
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u_long com;
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caddr_t data;
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}*/ ;
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struct file *fp;
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int error;
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if ((error = fget(td, uap->fd, &fp)) != 0)
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return (error);
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if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
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fdrop(fp, td);
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return (EBADF);
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}
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switch (uap->com) {
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case MDIOCATTACH_32: /* FALLTHROUGH */
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case MDIOCDETACH_32: /* FALLTHROUGH */
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case MDIOCQUERY_32: /* FALLTHROUGH */
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case MDIOCLIST_32:
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error = freebsd32_ioctl_md(td, uap, fp);
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break;
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case CDIOREADTOCENTRYS_32:
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error = freebsd32_ioctl_ioc_read_toc(td, uap, fp);
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break;
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case CDIOREADTOCHEADER_32:
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error = freebsd32_ioctl_ioc_toc_header(td, uap, fp);
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break;
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case FIODGNAME_32:
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error = freebsd32_ioctl_fiodgname(td, uap, fp);
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break;
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case MEMRANGE_GET32: /* FALLTHROUGH */
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case MEMRANGE_SET32:
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error = freebsd32_ioctl_memrange(td, uap, fp);
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break;
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default:
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fdrop(fp, td);
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ap.fd = uap->fd;
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ap.com = uap->com;
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PTRIN_CP(*uap, ap, data);
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return ioctl(td, &ap);
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}
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fdrop(fp, td);
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return error;
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}
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