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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2008 David E. O'Brien
* 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.
* 3. Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/cdio.h>
#include <sys/fcntl.h>
#include <sys/filio.h>
#include <sys/file.h>
#include <sys/ioccom.h>
#include <sys/malloc.h>
#include <sys/memrange.h>
#include <sys/pciio.h>
#include <sys/proc.h>
#include <sys/syscall.h>
#include <sys/syscallsubr.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <compat/freebsd32/freebsd32.h>
#include <compat/freebsd32/freebsd32_ioctl.h>
#include <compat/freebsd32/freebsd32_misc.h>
#include <compat/freebsd32/freebsd32_proto.h>
CTASSERT(sizeof(struct mem_range_op32) == 12);
static int
freebsd32_ioctl_memrange(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct mem_range_op mro;
struct mem_range_op32 mro32;
int error;
u_long com;
if ((error = copyin(uap->data, &mro32, sizeof(mro32))) != 0)
return (error);
PTRIN_CP(mro32, mro, mo_desc);
CP(mro32, mro, mo_arg[0]);
CP(mro32, mro, mo_arg[1]);
com = 0;
switch (uap->com) {
case MEMRANGE_GET32:
com = MEMRANGE_GET;
break;
case MEMRANGE_SET32:
com = MEMRANGE_SET;
break;
default:
panic("%s: unknown MEMRANGE %#x", __func__, uap->com);
}
if ((error = fo_ioctl(fp, com, (caddr_t)&mro, td->td_ucred, td)) != 0)
return (error);
if ( (com & IOC_OUT) ) {
CP(mro, mro32, mo_arg[0]);
CP(mro, mro32, mo_arg[1]);
error = copyout(&mro32, uap->data, sizeof(mro32));
}
return (error);
}
static int
freebsd32_ioctl_barmmap(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct pci_bar_mmap32 pbm32;
struct pci_bar_mmap pbm;
int error;
error = copyin(uap->data, &pbm32, sizeof(pbm32));
if (error != 0)
return (error);
PTRIN_CP(pbm32, pbm, pbm_map_base);
CP(pbm32, pbm, pbm_sel);
CP(pbm32, pbm, pbm_reg);
CP(pbm32, pbm, pbm_flags);
CP(pbm32, pbm, pbm_memattr);
pbm.pbm_bar_length = PAIR32TO64(uint64_t, pbm32.pbm_bar_length);
error = fo_ioctl(fp, PCIOCBARMMAP, (caddr_t)&pbm, td->td_ucred, td);
if (error == 0) {
PTROUT_CP(pbm, pbm32, pbm_map_base);
CP(pbm, pbm32, pbm_map_length);
#if BYTE_ORDER == LITTLE_ENDIAN
pbm32.pbm_bar_length1 = pbm.pbm_bar_length;
pbm32.pbm_bar_length2 = pbm.pbm_bar_length >> 32;
#else
pbm32.pbm_bar_length1 = pbm.pbm_bar_length >> 32;
pbm32.pbm_bar_length2 = pbm.pbm_bar_length;
#endif
CP(pbm, pbm32, pbm_bar_off);
error = copyout(&pbm32, uap->data, sizeof(pbm32));
}
return (error);
}
static int
freebsd32_ioctl_sg(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct sg_io_hdr io;
struct sg_io_hdr32 io32;
int error;
if ((error = copyin(uap->data, &io32, sizeof(io32))) != 0)
return (error);
CP(io32, io, interface_id);
CP(io32, io, dxfer_direction);
CP(io32, io, cmd_len);
CP(io32, io, mx_sb_len);
CP(io32, io, iovec_count);
CP(io32, io, dxfer_len);
PTRIN_CP(io32, io, dxferp);
PTRIN_CP(io32, io, cmdp);
PTRIN_CP(io32, io, sbp);
CP(io32, io, timeout);
CP(io32, io, flags);
CP(io32, io, pack_id);
PTRIN_CP(io32, io, usr_ptr);
CP(io32, io, status);
CP(io32, io, masked_status);
CP(io32, io, msg_status);
CP(io32, io, sb_len_wr);
CP(io32, io, host_status);
CP(io32, io, driver_status);
CP(io32, io, resid);
CP(io32, io, duration);
CP(io32, io, info);
if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
return (error);
CP(io, io32, interface_id);
CP(io, io32, dxfer_direction);
CP(io, io32, cmd_len);
CP(io, io32, mx_sb_len);
CP(io, io32, iovec_count);
CP(io, io32, dxfer_len);
PTROUT_CP(io, io32, dxferp);
PTROUT_CP(io, io32, cmdp);
PTROUT_CP(io, io32, sbp);
CP(io, io32, timeout);
CP(io, io32, flags);
CP(io, io32, pack_id);
PTROUT_CP(io, io32, usr_ptr);
CP(io, io32, status);
CP(io, io32, masked_status);
CP(io, io32, msg_status);
CP(io, io32, sb_len_wr);
CP(io, io32, host_status);
CP(io, io32, driver_status);
CP(io, io32, resid);
CP(io, io32, duration);
CP(io, io32, info);
error = copyout(&io32, uap->data, sizeof(io32));
return (error);
}
int
freebsd32_ioctl(struct thread *td, struct freebsd32_ioctl_args *uap)
{
struct ioctl_args ap /*{
int fd;
u_long com;
caddr_t data;
}*/ ;
struct file *fp;
cap_rights_t rights;
int error;
error = fget(td, uap->fd, cap_rights_init_one(&rights, CAP_IOCTL), &fp);
if (error != 0)
return (error);
if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
fdrop(fp, td);
return (EBADF);
}
switch (uap->com) {
case MEMRANGE_GET32: /* FALLTHROUGH */
case MEMRANGE_SET32:
error = freebsd32_ioctl_memrange(td, uap, fp);
break;
case SG_IO_32:
error = freebsd32_ioctl_sg(td, uap, fp);
break;
case PCIOCBARMMAP_32:
error = freebsd32_ioctl_barmmap(td, uap, fp);
break;
default:
fdrop(fp, td);
ap.fd = uap->fd;
ap.com = uap->com;
PTRIN_CP(*uap, ap, data);
return sys_ioctl(td, &ap);
}
fdrop(fp, td);
return (error);
}
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