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freebsd-dev/sys/compat/linux/linux_ioctl.c
Colin Percival 43f13bea35 MFS security patches which seem to have accidentally not reached HEAD: 
Fix insufficient message length validation for EAP-TLS messages.

Fix Linux compatibility layer input validation error.

Security:	FreeBSD-SA-12:07.hostapd
Security:	FreeBSD-SA-12:08.linux
Security:	CVE-2012-4445, CVE-2012-4576
With hat:	so@
2012-11-23 01:48:31 +00:00

3533 lines
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/*-
* Copyright (c) 1994-1995 Søren Schmidt
* 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
* in this position and unchanged.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* 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 "opt_compat.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sysproto.h>
#include <sys/capability.h>
#include <sys/cdio.h>
#include <sys/dvdio.h>
#include <sys/conf.h>
#include <sys/disk.h>
#include <sys/consio.h>
#include <sys/ctype.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/filio.h>
#include <sys/jail.h>
#include <sys/kbio.h>
#include <sys/kernel.h>
#include <sys/linker_set.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/sbuf.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/soundcard.h>
#include <sys/stdint.h>
#include <sys/sx.h>
#include <sys/sysctl.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/resourcevar.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/vnet.h>
#include <dev/usb/usb_ioctl.h>
#ifdef COMPAT_LINUX32
#include <machine/../linux32/linux.h>
#include <machine/../linux32/linux32_proto.h>
#else
#include <machine/../linux/linux.h>
#include <machine/../linux/linux_proto.h>
#endif
#include <compat/linux/linux_ioctl.h>
#include <compat/linux/linux_mib.h>
#include <compat/linux/linux_socket.h>
#include <compat/linux/linux_util.h>
#include <compat/linux/linux_videodev.h>
#include <compat/linux/linux_videodev_compat.h>
#include <compat/linux/linux_videodev2.h>
#include <compat/linux/linux_videodev2_compat.h>
CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator");
FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator");
static linux_ioctl_function_t linux_ioctl_cdrom;
static linux_ioctl_function_t linux_ioctl_vfat;
static linux_ioctl_function_t linux_ioctl_console;
static linux_ioctl_function_t linux_ioctl_hdio;
static linux_ioctl_function_t linux_ioctl_disk;
static linux_ioctl_function_t linux_ioctl_socket;
static linux_ioctl_function_t linux_ioctl_sound;
static linux_ioctl_function_t linux_ioctl_termio;
static linux_ioctl_function_t linux_ioctl_private;
static linux_ioctl_function_t linux_ioctl_drm;
static linux_ioctl_function_t linux_ioctl_sg;
static linux_ioctl_function_t linux_ioctl_v4l;
static linux_ioctl_function_t linux_ioctl_v4l2;
static linux_ioctl_function_t linux_ioctl_special;
static linux_ioctl_function_t linux_ioctl_fbsd_usb;
static struct linux_ioctl_handler cdrom_handler =
{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
static struct linux_ioctl_handler vfat_handler =
{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
static struct linux_ioctl_handler console_handler =
{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
static struct linux_ioctl_handler hdio_handler =
{ linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
static struct linux_ioctl_handler disk_handler =
{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
static struct linux_ioctl_handler socket_handler =
{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
static struct linux_ioctl_handler sound_handler =
{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
static struct linux_ioctl_handler termio_handler =
{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
static struct linux_ioctl_handler private_handler =
{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
static struct linux_ioctl_handler drm_handler =
{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
static struct linux_ioctl_handler sg_handler =
{ linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
static struct linux_ioctl_handler video_handler =
{ linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX };
static struct linux_ioctl_handler video2_handler =
{ linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX };
static struct linux_ioctl_handler fbsd_usb =
{ linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX };
DATA_SET(linux_ioctl_handler_set, cdrom_handler);
DATA_SET(linux_ioctl_handler_set, vfat_handler);
DATA_SET(linux_ioctl_handler_set, console_handler);
DATA_SET(linux_ioctl_handler_set, hdio_handler);
DATA_SET(linux_ioctl_handler_set, disk_handler);
DATA_SET(linux_ioctl_handler_set, socket_handler);
DATA_SET(linux_ioctl_handler_set, sound_handler);
DATA_SET(linux_ioctl_handler_set, termio_handler);
DATA_SET(linux_ioctl_handler_set, private_handler);
DATA_SET(linux_ioctl_handler_set, drm_handler);
DATA_SET(linux_ioctl_handler_set, sg_handler);
DATA_SET(linux_ioctl_handler_set, video_handler);
DATA_SET(linux_ioctl_handler_set, video2_handler);
DATA_SET(linux_ioctl_handler_set, fbsd_usb);
struct handler_element
{
TAILQ_ENTRY(handler_element) list;
int (*func)(struct thread *, struct linux_ioctl_args *);
int low, high, span;
};
static TAILQ_HEAD(, handler_element) handlers =
TAILQ_HEAD_INITIALIZER(handlers);
static struct sx linux_ioctl_sx;
SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers");
/*
* hdio related ioctls for VMWare support
*/
struct linux_hd_geometry {
u_int8_t heads;
u_int8_t sectors;
u_int16_t cylinders;
u_int32_t start;
};
struct linux_hd_big_geometry {
u_int8_t heads;
u_int8_t sectors;
u_int32_t cylinders;
u_int32_t start;
};
static int
linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
u_int sectorsize, fwcylinders, fwheads, fwsectors;
off_t mediasize, bytespercyl;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
switch (args->cmd & 0xffff) {
case LINUX_HDIO_GET_GEO:
case LINUX_HDIO_GET_GEO_BIG:
error = fo_ioctl(fp, DIOCGMEDIASIZE,
(caddr_t)&mediasize, td->td_ucred, td);
if (!error)
error = fo_ioctl(fp, DIOCGSECTORSIZE,
(caddr_t)&sectorsize, td->td_ucred, td);
if (!error)
error = fo_ioctl(fp, DIOCGFWHEADS,
(caddr_t)&fwheads, td->td_ucred, td);
if (!error)
error = fo_ioctl(fp, DIOCGFWSECTORS,
(caddr_t)&fwsectors, td->td_ucred, td);
/*
* XXX: DIOCGFIRSTOFFSET is not yet implemented, so
* so pretend that GEOM always says 0. This is NOT VALID
* for slices or partitions, only the per-disk raw devices.
*/
fdrop(fp, td);
if (error)
return (error);
/*
* 1. Calculate the number of bytes in a cylinder,
* given the firmware's notion of heads and sectors
* per cylinder.
* 2. Calculate the number of cylinders, given the total
* size of the media.
* All internal calculations should have 64-bit precision.
*/
bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
fwcylinders = mediasize / bytespercyl;
#if defined(DEBUG)
linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
"bpc %jd",
(intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
(intmax_t)bytespercyl);
#endif
if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
struct linux_hd_geometry hdg;
hdg.cylinders = fwcylinders;
hdg.heads = fwheads;
hdg.sectors = fwsectors;
hdg.start = 0;
error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
} else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
struct linux_hd_big_geometry hdbg;
hdbg.cylinders = fwcylinders;
hdbg.heads = fwheads;
hdbg.sectors = fwsectors;
hdbg.start = 0;
error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
}
return (error);
break;
default:
/* XXX */
linux_msg(td,
"ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
args->fd, (int)(args->cmd & 0xffff),
(int)(args->cmd & 0xff00) >> 8,
(int)(args->cmd & 0xff));
break;
}
fdrop(fp, td);
return (ENOIOCTL);
}
static int
linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
u_int sectorsize;
off_t mediasize;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
switch (args->cmd & 0xffff) {
case LINUX_BLKGETSIZE:
error = fo_ioctl(fp, DIOCGSECTORSIZE,
(caddr_t)&sectorsize, td->td_ucred, td);
if (!error)
error = fo_ioctl(fp, DIOCGMEDIASIZE,
(caddr_t)&mediasize, td->td_ucred, td);
fdrop(fp, td);
if (error)
return (error);
sectorsize = mediasize / sectorsize;
/*
* XXX: How do we know we return the right size of integer ?
*/
return (copyout(&sectorsize, (void *)args->arg,
sizeof(sectorsize)));
break;
}
fdrop(fp, td);
return (ENOIOCTL);
}
/*
* termio related ioctls
*/
struct linux_termio {
unsigned short c_iflag;
unsigned short c_oflag;
unsigned short c_cflag;
unsigned short c_lflag;
unsigned char c_line;
unsigned char c_cc[LINUX_NCC];
};
struct linux_termios {
unsigned int c_iflag;
unsigned int c_oflag;
unsigned int c_cflag;
unsigned int c_lflag;
unsigned char c_line;
unsigned char c_cc[LINUX_NCCS];
};
struct linux_winsize {
unsigned short ws_row, ws_col;
unsigned short ws_xpixel, ws_ypixel;
};
struct speedtab {
int sp_speed; /* Speed. */
int sp_code; /* Code. */
};
static struct speedtab sptab[] = {
{ B0, LINUX_B0 }, { B50, LINUX_B50 },
{ B75, LINUX_B75 }, { B110, LINUX_B110 },
{ B134, LINUX_B134 }, { B150, LINUX_B150 },
{ B200, LINUX_B200 }, { B300, LINUX_B300 },
{ B600, LINUX_B600 }, { B1200, LINUX_B1200 },
{ B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
{ B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
{ B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
{ B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
{-1, -1 }
};
struct linux_serial_struct {
int type;
int line;
int port;
int irq;
int flags;
int xmit_fifo_size;
int custom_divisor;
int baud_base;
unsigned short close_delay;
char reserved_char[2];
int hub6;
unsigned short closing_wait;
unsigned short closing_wait2;
int reserved[4];
};
static int
linux_to_bsd_speed(int code, struct speedtab *table)
{
for ( ; table->sp_code != -1; table++)
if (table->sp_code == code)
return (table->sp_speed);
return -1;
}
static int
bsd_to_linux_speed(int speed, struct speedtab *table)
{
for ( ; table->sp_speed != -1; table++)
if (table->sp_speed == speed)
return (table->sp_code);
return -1;
}
static void
bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
{
int i;
#ifdef DEBUG
if (ldebug(ioctl)) {
printf("LINUX: BSD termios structure (input):\n");
printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
bios->c_ispeed, bios->c_ospeed);
printf("c_cc ");
for (i=0; i<NCCS; i++)
printf("%02x ", bios->c_cc[i]);
printf("\n");
}
#endif
lios->c_iflag = 0;
if (bios->c_iflag & IGNBRK)
lios->c_iflag |= LINUX_IGNBRK;
if (bios->c_iflag & BRKINT)
lios->c_iflag |= LINUX_BRKINT;
if (bios->c_iflag & IGNPAR)
lios->c_iflag |= LINUX_IGNPAR;
if (bios->c_iflag & PARMRK)
lios->c_iflag |= LINUX_PARMRK;
if (bios->c_iflag & INPCK)
lios->c_iflag |= LINUX_INPCK;
if (bios->c_iflag & ISTRIP)
lios->c_iflag |= LINUX_ISTRIP;
if (bios->c_iflag & INLCR)
lios->c_iflag |= LINUX_INLCR;
if (bios->c_iflag & IGNCR)
lios->c_iflag |= LINUX_IGNCR;
if (bios->c_iflag & ICRNL)
lios->c_iflag |= LINUX_ICRNL;
if (bios->c_iflag & IXON)
lios->c_iflag |= LINUX_IXON;
if (bios->c_iflag & IXANY)
lios->c_iflag |= LINUX_IXANY;
if (bios->c_iflag & IXOFF)
lios->c_iflag |= LINUX_IXOFF;
if (bios->c_iflag & IMAXBEL)
lios->c_iflag |= LINUX_IMAXBEL;
lios->c_oflag = 0;
if (bios->c_oflag & OPOST)
lios->c_oflag |= LINUX_OPOST;
if (bios->c_oflag & ONLCR)
lios->c_oflag |= LINUX_ONLCR;
if (bios->c_oflag & TAB3)
lios->c_oflag |= LINUX_XTABS;
lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
if (bios->c_cflag & CSTOPB)
lios->c_cflag |= LINUX_CSTOPB;
if (bios->c_cflag & CREAD)
lios->c_cflag |= LINUX_CREAD;
if (bios->c_cflag & PARENB)
lios->c_cflag |= LINUX_PARENB;
if (bios->c_cflag & PARODD)
lios->c_cflag |= LINUX_PARODD;
if (bios->c_cflag & HUPCL)
lios->c_cflag |= LINUX_HUPCL;
if (bios->c_cflag & CLOCAL)
lios->c_cflag |= LINUX_CLOCAL;
if (bios->c_cflag & CRTSCTS)
lios->c_cflag |= LINUX_CRTSCTS;
lios->c_lflag = 0;
if (bios->c_lflag & ISIG)
lios->c_lflag |= LINUX_ISIG;
if (bios->c_lflag & ICANON)
lios->c_lflag |= LINUX_ICANON;
if (bios->c_lflag & ECHO)
lios->c_lflag |= LINUX_ECHO;
if (bios->c_lflag & ECHOE)
lios->c_lflag |= LINUX_ECHOE;
if (bios->c_lflag & ECHOK)
lios->c_lflag |= LINUX_ECHOK;
if (bios->c_lflag & ECHONL)
lios->c_lflag |= LINUX_ECHONL;
if (bios->c_lflag & NOFLSH)
lios->c_lflag |= LINUX_NOFLSH;
if (bios->c_lflag & TOSTOP)
lios->c_lflag |= LINUX_TOSTOP;
if (bios->c_lflag & ECHOCTL)
lios->c_lflag |= LINUX_ECHOCTL;
if (bios->c_lflag & ECHOPRT)
lios->c_lflag |= LINUX_ECHOPRT;
if (bios->c_lflag & ECHOKE)
lios->c_lflag |= LINUX_ECHOKE;
if (bios->c_lflag & FLUSHO)
lios->c_lflag |= LINUX_FLUSHO;
if (bios->c_lflag & PENDIN)
lios->c_lflag |= LINUX_PENDIN;
if (bios->c_lflag & IEXTEN)
lios->c_lflag |= LINUX_IEXTEN;
for (i=0; i<LINUX_NCCS; i++)
lios->c_cc[i] = LINUX_POSIX_VDISABLE;
lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
for (i=0; i<LINUX_NCCS; i++) {
if (i != LINUX_VMIN && i != LINUX_VTIME &&
lios->c_cc[i] == _POSIX_VDISABLE)
lios->c_cc[i] = LINUX_POSIX_VDISABLE;
}
lios->c_line = 0;
#ifdef DEBUG
if (ldebug(ioctl)) {
printf("LINUX: LINUX termios structure (output):\n");
printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
lios->c_iflag, lios->c_oflag, lios->c_cflag,
lios->c_lflag, (int)lios->c_line);
printf("c_cc ");
for (i=0; i<LINUX_NCCS; i++)
printf("%02x ", lios->c_cc[i]);
printf("\n");
}
#endif
}
static void
linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
{
int i;
#ifdef DEBUG
if (ldebug(ioctl)) {
printf("LINUX: LINUX termios structure (input):\n");
printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
lios->c_iflag, lios->c_oflag, lios->c_cflag,
lios->c_lflag, (int)lios->c_line);
printf("c_cc ");
for (i=0; i<LINUX_NCCS; i++)
printf("%02x ", lios->c_cc[i]);
printf("\n");
}
#endif
bios->c_iflag = 0;
if (lios->c_iflag & LINUX_IGNBRK)
bios->c_iflag |= IGNBRK;
if (lios->c_iflag & LINUX_BRKINT)
bios->c_iflag |= BRKINT;
if (lios->c_iflag & LINUX_IGNPAR)
bios->c_iflag |= IGNPAR;
if (lios->c_iflag & LINUX_PARMRK)
bios->c_iflag |= PARMRK;
if (lios->c_iflag & LINUX_INPCK)
bios->c_iflag |= INPCK;
if (lios->c_iflag & LINUX_ISTRIP)
bios->c_iflag |= ISTRIP;
if (lios->c_iflag & LINUX_INLCR)
bios->c_iflag |= INLCR;
if (lios->c_iflag & LINUX_IGNCR)
bios->c_iflag |= IGNCR;
if (lios->c_iflag & LINUX_ICRNL)
bios->c_iflag |= ICRNL;
if (lios->c_iflag & LINUX_IXON)
bios->c_iflag |= IXON;
if (lios->c_iflag & LINUX_IXANY)
bios->c_iflag |= IXANY;
if (lios->c_iflag & LINUX_IXOFF)
bios->c_iflag |= IXOFF;
if (lios->c_iflag & LINUX_IMAXBEL)
bios->c_iflag |= IMAXBEL;
bios->c_oflag = 0;
if (lios->c_oflag & LINUX_OPOST)
bios->c_oflag |= OPOST;
if (lios->c_oflag & LINUX_ONLCR)
bios->c_oflag |= ONLCR;
if (lios->c_oflag & LINUX_XTABS)
bios->c_oflag |= TAB3;
bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
if (lios->c_cflag & LINUX_CSTOPB)
bios->c_cflag |= CSTOPB;
if (lios->c_cflag & LINUX_CREAD)
bios->c_cflag |= CREAD;
if (lios->c_cflag & LINUX_PARENB)
bios->c_cflag |= PARENB;
if (lios->c_cflag & LINUX_PARODD)
bios->c_cflag |= PARODD;
if (lios->c_cflag & LINUX_HUPCL)
bios->c_cflag |= HUPCL;
if (lios->c_cflag & LINUX_CLOCAL)
bios->c_cflag |= CLOCAL;
if (lios->c_cflag & LINUX_CRTSCTS)
bios->c_cflag |= CRTSCTS;
bios->c_lflag = 0;
if (lios->c_lflag & LINUX_ISIG)
bios->c_lflag |= ISIG;
if (lios->c_lflag & LINUX_ICANON)
bios->c_lflag |= ICANON;
if (lios->c_lflag & LINUX_ECHO)
bios->c_lflag |= ECHO;
if (lios->c_lflag & LINUX_ECHOE)
bios->c_lflag |= ECHOE;
if (lios->c_lflag & LINUX_ECHOK)
bios->c_lflag |= ECHOK;
if (lios->c_lflag & LINUX_ECHONL)
bios->c_lflag |= ECHONL;
if (lios->c_lflag & LINUX_NOFLSH)
bios->c_lflag |= NOFLSH;
if (lios->c_lflag & LINUX_TOSTOP)
bios->c_lflag |= TOSTOP;
if (lios->c_lflag & LINUX_ECHOCTL)
bios->c_lflag |= ECHOCTL;
if (lios->c_lflag & LINUX_ECHOPRT)
bios->c_lflag |= ECHOPRT;
if (lios->c_lflag & LINUX_ECHOKE)
bios->c_lflag |= ECHOKE;
if (lios->c_lflag & LINUX_FLUSHO)
bios->c_lflag |= FLUSHO;
if (lios->c_lflag & LINUX_PENDIN)
bios->c_lflag |= PENDIN;
if (lios->c_lflag & LINUX_IEXTEN)
bios->c_lflag |= IEXTEN;
for (i=0; i<NCCS; i++)
bios->c_cc[i] = _POSIX_VDISABLE;
bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
for (i=0; i<NCCS; i++) {
if (i != VMIN && i != VTIME &&
bios->c_cc[i] == LINUX_POSIX_VDISABLE)
bios->c_cc[i] = _POSIX_VDISABLE;
}
bios->c_ispeed = bios->c_ospeed =
linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
#ifdef DEBUG
if (ldebug(ioctl)) {
printf("LINUX: BSD termios structure (output):\n");
printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
bios->c_ispeed, bios->c_ospeed);
printf("c_cc ");
for (i=0; i<NCCS; i++)
printf("%02x ", bios->c_cc[i]);
printf("\n");
}
#endif
}
static void
bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
{
struct linux_termios lios;
bsd_to_linux_termios(bios, &lios);
lio->c_iflag = lios.c_iflag;
lio->c_oflag = lios.c_oflag;
lio->c_cflag = lios.c_cflag;
lio->c_lflag = lios.c_lflag;
lio->c_line = lios.c_line;
memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
}
static void
linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
{
struct linux_termios lios;
int i;
lios.c_iflag = lio->c_iflag;
lios.c_oflag = lio->c_oflag;
lios.c_cflag = lio->c_cflag;
lios.c_lflag = lio->c_lflag;
for (i=LINUX_NCC; i<LINUX_NCCS; i++)
lios.c_cc[i] = LINUX_POSIX_VDISABLE;
memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
linux_to_bsd_termios(&lios, bios);
}
static int
linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
{
struct termios bios;
struct linux_termios lios;
struct linux_termio lio;
struct file *fp;
int error;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
switch (args->cmd & 0xffff) {
case LINUX_TCGETS:
error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
td);
if (error)
break;
bsd_to_linux_termios(&bios, &lios);
error = copyout(&lios, (void *)args->arg, sizeof(lios));
break;
case LINUX_TCSETS:
error = copyin((void *)args->arg, &lios, sizeof(lios));
if (error)
break;
linux_to_bsd_termios(&lios, &bios);
error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
td));
break;
case LINUX_TCSETSW:
error = copyin((void *)args->arg, &lios, sizeof(lios));
if (error)
break;
linux_to_bsd_termios(&lios, &bios);
error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
td));
break;
case LINUX_TCSETSF:
error = copyin((void *)args->arg, &lios, sizeof(lios));
if (error)
break;
linux_to_bsd_termios(&lios, &bios);
error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
td));
break;
case LINUX_TCGETA:
error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
td);
if (error)
break;
bsd_to_linux_termio(&bios, &lio);
error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
break;
case LINUX_TCSETA:
error = copyin((void *)args->arg, &lio, sizeof(lio));
if (error)
break;
linux_to_bsd_termio(&lio, &bios);
error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
td));
break;
case LINUX_TCSETAW:
error = copyin((void *)args->arg, &lio, sizeof(lio));
if (error)
break;
linux_to_bsd_termio(&lio, &bios);
error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
td));
break;
case LINUX_TCSETAF:
error = copyin((void *)args->arg, &lio, sizeof(lio));
if (error)
break;
linux_to_bsd_termio(&lio, &bios);
error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
td));
break;
/* LINUX_TCSBRK */
case LINUX_TCXONC: {
switch (args->arg) {
case LINUX_TCOOFF:
args->cmd = TIOCSTOP;
break;
case LINUX_TCOON:
args->cmd = TIOCSTART;
break;
case LINUX_TCIOFF:
case LINUX_TCION: {
int c;
struct write_args wr;
error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
td->td_ucred, td);
if (error)
break;
fdrop(fp, td);
c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
c = bios.c_cc[c];
if (c != _POSIX_VDISABLE) {
wr.fd = args->fd;
wr.buf = &c;
wr.nbyte = sizeof(c);
return (sys_write(td, &wr));
} else
return (0);
}
default:
fdrop(fp, td);
return (EINVAL);
}
args->arg = 0;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
}
case LINUX_TCFLSH: {
int val;
switch (args->arg) {
case LINUX_TCIFLUSH:
val = FREAD;
break;
case LINUX_TCOFLUSH:
val = FWRITE;
break;
case LINUX_TCIOFLUSH:
val = FREAD | FWRITE;
break;
default:
fdrop(fp, td);
return (EINVAL);
}
error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
break;
}
case LINUX_TIOCEXCL:
args->cmd = TIOCEXCL;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCNXCL:
args->cmd = TIOCNXCL;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCSCTTY:
args->cmd = TIOCSCTTY;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCGPGRP:
args->cmd = TIOCGPGRP;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCSPGRP:
args->cmd = TIOCSPGRP;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
/* LINUX_TIOCOUTQ */
/* LINUX_TIOCSTI */
case LINUX_TIOCGWINSZ:
args->cmd = TIOCGWINSZ;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCSWINSZ:
args->cmd = TIOCSWINSZ;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCMGET:
args->cmd = TIOCMGET;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCMBIS:
args->cmd = TIOCMBIS;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCMBIC:
args->cmd = TIOCMBIC;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCMSET:
args->cmd = TIOCMSET;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
/* TIOCGSOFTCAR */
/* TIOCSSOFTCAR */
case LINUX_FIONREAD: /* LINUX_TIOCINQ */
args->cmd = FIONREAD;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
/* LINUX_TIOCLINUX */
case LINUX_TIOCCONS:
args->cmd = TIOCCONS;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCGSERIAL: {
struct linux_serial_struct lss;
lss.type = LINUX_PORT_16550A;
lss.flags = 0;
lss.close_delay = 0;
error = copyout(&lss, (void *)args->arg, sizeof(lss));
break;
}
case LINUX_TIOCSSERIAL: {
struct linux_serial_struct lss;
error = copyin((void *)args->arg, &lss, sizeof(lss));
if (error)
break;
/* XXX - It really helps to have an implementation that
* does nothing. NOT!
*/
error = 0;
break;
}
case LINUX_TIOCPKT:
args->cmd = TIOCPKT;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_FIONBIO:
args->cmd = FIONBIO;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCNOTTY:
args->cmd = TIOCNOTTY;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCSETD: {
int line;
switch (args->arg) {
case LINUX_N_TTY:
line = TTYDISC;
break;
case LINUX_N_SLIP:
line = SLIPDISC;
break;
case LINUX_N_PPP:
line = PPPDISC;
break;
default:
fdrop(fp, td);
return (EINVAL);
}
error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
td));
break;
}
case LINUX_TIOCGETD: {
int linux_line;
int bsd_line = TTYDISC;
error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
td->td_ucred, td);
if (error)
return (error);
switch (bsd_line) {
case TTYDISC:
linux_line = LINUX_N_TTY;
break;
case SLIPDISC:
linux_line = LINUX_N_SLIP;
break;
case PPPDISC:
linux_line = LINUX_N_PPP;
break;
default:
fdrop(fp, td);
return (EINVAL);
}
error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
break;
}
/* LINUX_TCSBRKP */
/* LINUX_TIOCTTYGSTRUCT */
case LINUX_FIONCLEX:
args->cmd = FIONCLEX;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_FIOCLEX:
args->cmd = FIOCLEX;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_FIOASYNC:
args->cmd = FIOASYNC;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
/* LINUX_TIOCSERCONFIG */
/* LINUX_TIOCSERGWILD */
/* LINUX_TIOCSERSWILD */
/* LINUX_TIOCGLCKTRMIOS */
/* LINUX_TIOCSLCKTRMIOS */
case LINUX_TIOCSBRK:
args->cmd = TIOCSBRK;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCCBRK:
args->cmd = TIOCCBRK;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_TIOCGPTN: {
int nb;
error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
if (!error)
error = copyout(&nb, (void *)args->arg,
sizeof(int));
break;
}
case LINUX_TIOCSPTLCK:
/* Our unlockpt() does nothing. */
error = 0;
break;
default:
error = ENOIOCTL;
break;
}
fdrop(fp, td);
return (error);
}
/*
* CDROM related ioctls
*/
struct linux_cdrom_msf
{
u_char cdmsf_min0;
u_char cdmsf_sec0;
u_char cdmsf_frame0;
u_char cdmsf_min1;
u_char cdmsf_sec1;
u_char cdmsf_frame1;
};
struct linux_cdrom_tochdr
{
u_char cdth_trk0;
u_char cdth_trk1;
};
union linux_cdrom_addr
{
struct {
u_char minute;
u_char second;
u_char frame;
} msf;
int lba;
};
struct linux_cdrom_tocentry
{
u_char cdte_track;
u_char cdte_adr:4;
u_char cdte_ctrl:4;
u_char cdte_format;
union linux_cdrom_addr cdte_addr;
u_char cdte_datamode;
};
struct linux_cdrom_subchnl
{
u_char cdsc_format;
u_char cdsc_audiostatus;
u_char cdsc_adr:4;
u_char cdsc_ctrl:4;
u_char cdsc_trk;
u_char cdsc_ind;
union linux_cdrom_addr cdsc_absaddr;
union linux_cdrom_addr cdsc_reladdr;
};
struct l_cdrom_read_audio {
union linux_cdrom_addr addr;
u_char addr_format;
l_int nframes;
u_char *buf;
};
struct l_dvd_layer {
u_char book_version:4;
u_char book_type:4;
u_char min_rate:4;
u_char disc_size:4;
u_char layer_type:4;
u_char track_path:1;
u_char nlayers:2;
u_char track_density:4;
u_char linear_density:4;
u_char bca:1;
u_int32_t start_sector;
u_int32_t end_sector;
u_int32_t end_sector_l0;
};
struct l_dvd_physical {
u_char type;
u_char layer_num;
struct l_dvd_layer layer[4];
};
struct l_dvd_copyright {
u_char type;
u_char layer_num;
u_char cpst;
u_char rmi;
};
struct l_dvd_disckey {
u_char type;
l_uint agid:2;
u_char value[2048];
};
struct l_dvd_bca {
u_char type;
l_int len;
u_char value[188];
};
struct l_dvd_manufact {
u_char type;
u_char layer_num;
l_int len;
u_char value[2048];
};
typedef union {
u_char type;
struct l_dvd_physical physical;
struct l_dvd_copyright copyright;
struct l_dvd_disckey disckey;
struct l_dvd_bca bca;
struct l_dvd_manufact manufact;
} l_dvd_struct;
typedef u_char l_dvd_key[5];
typedef u_char l_dvd_challenge[10];
struct l_dvd_lu_send_agid {
u_char type;
l_uint agid:2;
};
struct l_dvd_host_send_challenge {
u_char type;
l_uint agid:2;
l_dvd_challenge chal;
};
struct l_dvd_send_key {
u_char type;
l_uint agid:2;
l_dvd_key key;
};
struct l_dvd_lu_send_challenge {
u_char type;
l_uint agid:2;
l_dvd_challenge chal;
};
struct l_dvd_lu_send_title_key {
u_char type;
l_uint agid:2;
l_dvd_key title_key;
l_int lba;
l_uint cpm:1;
l_uint cp_sec:1;
l_uint cgms:2;
};
struct l_dvd_lu_send_asf {
u_char type;
l_uint agid:2;
l_uint asf:1;
};
struct l_dvd_host_send_rpcstate {
u_char type;
u_char pdrc;
};
struct l_dvd_lu_send_rpcstate {
u_char type:2;
u_char vra:3;
u_char ucca:3;
u_char region_mask;
u_char rpc_scheme;
};
typedef union {
u_char type;
struct l_dvd_lu_send_agid lsa;
struct l_dvd_host_send_challenge hsc;
struct l_dvd_send_key lsk;
struct l_dvd_lu_send_challenge lsc;
struct l_dvd_send_key hsk;
struct l_dvd_lu_send_title_key lstk;
struct l_dvd_lu_send_asf lsasf;
struct l_dvd_host_send_rpcstate hrpcs;
struct l_dvd_lu_send_rpcstate lrpcs;
} l_dvd_authinfo;
static void
bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
{
if (af == CD_LBA_FORMAT)
lp->lba = bp->lba;
else {
lp->msf.minute = bp->msf.minute;
lp->msf.second = bp->msf.second;
lp->msf.frame = bp->msf.frame;
}
}
static void
set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
{
if (format == LINUX_CDROM_MSF) {
addr->msf.frame = lba % 75;
lba /= 75;
lba += 2;
addr->msf.second = lba % 60;
addr->msf.minute = lba / 60;
} else
addr->lba = lba;
}
static int
linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
{
bp->format = lp->type;
switch (bp->format) {
case DVD_STRUCT_PHYSICAL:
if (bp->layer_num >= 4)
return (EINVAL);
bp->layer_num = lp->physical.layer_num;
break;
case DVD_STRUCT_COPYRIGHT:
bp->layer_num = lp->copyright.layer_num;
break;
case DVD_STRUCT_DISCKEY:
bp->agid = lp->disckey.agid;
break;
case DVD_STRUCT_BCA:
case DVD_STRUCT_MANUFACT:
break;
default:
return (EINVAL);
}
return (0);
}
static int
bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
{
switch (bp->format) {
case DVD_STRUCT_PHYSICAL: {
struct dvd_layer *blp = (struct dvd_layer *)bp->data;
struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
memset(llp, 0, sizeof(*llp));
llp->book_version = blp->book_version;
llp->book_type = blp->book_type;
llp->min_rate = blp->max_rate;
llp->disc_size = blp->disc_size;
llp->layer_type = blp->layer_type;
llp->track_path = blp->track_path;
llp->nlayers = blp->nlayers;
llp->track_density = blp->track_density;
llp->linear_density = blp->linear_density;
llp->bca = blp->bca;
llp->start_sector = blp->start_sector;
llp->end_sector = blp->end_sector;
llp->end_sector_l0 = blp->end_sector_l0;
break;
}
case DVD_STRUCT_COPYRIGHT:
lp->copyright.cpst = bp->cpst;
lp->copyright.rmi = bp->rmi;
break;
case DVD_STRUCT_DISCKEY:
memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
break;
case DVD_STRUCT_BCA:
lp->bca.len = bp->length;
memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
break;
case DVD_STRUCT_MANUFACT:
lp->manufact.len = bp->length;
memcpy(lp->manufact.value, bp->data,
sizeof(lp->manufact.value));
/* lp->manufact.layer_num is unused in linux (redhat 7.0) */
break;
default:
return (EINVAL);
}
return (0);
}
static int
linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
struct dvd_authinfo *bp)
{
switch (lp->type) {
case LINUX_DVD_LU_SEND_AGID:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_REPORT_AGID;
bp->agid = lp->lsa.agid;
break;
case LINUX_DVD_HOST_SEND_CHALLENGE:
*bcode = DVDIOCSENDKEY;
bp->format = DVD_SEND_CHALLENGE;
bp->agid = lp->hsc.agid;
memcpy(bp->keychal, lp->hsc.chal, 10);
break;
case LINUX_DVD_LU_SEND_KEY1:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_REPORT_KEY1;
bp->agid = lp->lsk.agid;
break;
case LINUX_DVD_LU_SEND_CHALLENGE:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_REPORT_CHALLENGE;
bp->agid = lp->lsc.agid;
break;
case LINUX_DVD_HOST_SEND_KEY2:
*bcode = DVDIOCSENDKEY;
bp->format = DVD_SEND_KEY2;
bp->agid = lp->hsk.agid;
memcpy(bp->keychal, lp->hsk.key, 5);
break;
case LINUX_DVD_LU_SEND_TITLE_KEY:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_REPORT_TITLE_KEY;
bp->agid = lp->lstk.agid;
bp->lba = lp->lstk.lba;
break;
case LINUX_DVD_LU_SEND_ASF:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_REPORT_ASF;
bp->agid = lp->lsasf.agid;
break;
case LINUX_DVD_INVALIDATE_AGID:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_INVALIDATE_AGID;
bp->agid = lp->lsa.agid;
break;
case LINUX_DVD_LU_SEND_RPC_STATE:
*bcode = DVDIOCREPORTKEY;
bp->format = DVD_REPORT_RPC;
break;
case LINUX_DVD_HOST_SEND_RPC_STATE:
*bcode = DVDIOCSENDKEY;
bp->format = DVD_SEND_RPC;
bp->region = lp->hrpcs.pdrc;
break;
default:
return (EINVAL);
}
return (0);
}
static int
bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
{
switch (lp->type) {
case LINUX_DVD_LU_SEND_AGID:
lp->lsa.agid = bp->agid;
break;
case LINUX_DVD_HOST_SEND_CHALLENGE:
lp->type = LINUX_DVD_LU_SEND_KEY1;
break;
case LINUX_DVD_LU_SEND_KEY1:
memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
break;
case LINUX_DVD_LU_SEND_CHALLENGE:
memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
break;
case LINUX_DVD_HOST_SEND_KEY2:
lp->type = LINUX_DVD_AUTH_ESTABLISHED;
break;
case LINUX_DVD_LU_SEND_TITLE_KEY:
memcpy(lp->lstk.title_key, bp->keychal,
sizeof(lp->lstk.title_key));
lp->lstk.cpm = bp->cpm;
lp->lstk.cp_sec = bp->cp_sec;
lp->lstk.cgms = bp->cgms;
break;
case LINUX_DVD_LU_SEND_ASF:
lp->lsasf.asf = bp->asf;
break;
case LINUX_DVD_INVALIDATE_AGID:
break;
case LINUX_DVD_LU_SEND_RPC_STATE:
lp->lrpcs.type = bp->reg_type;
lp->lrpcs.vra = bp->vend_rsts;
lp->lrpcs.ucca = bp->user_rsts;
lp->lrpcs.region_mask = bp->region;
lp->lrpcs.rpc_scheme = bp->rpc_scheme;
break;
case LINUX_DVD_HOST_SEND_RPC_STATE:
break;
default:
return (EINVAL);
}
return (0);
}
static int
linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
switch (args->cmd & 0xffff) {
case LINUX_CDROMPAUSE:
args->cmd = CDIOCPAUSE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_CDROMRESUME:
args->cmd = CDIOCRESUME;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_CDROMPLAYMSF:
args->cmd = CDIOCPLAYMSF;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_CDROMPLAYTRKIND:
args->cmd = CDIOCPLAYTRACKS;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_CDROMREADTOCHDR: {
struct ioc_toc_header th;
struct linux_cdrom_tochdr lth;
error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
td->td_ucred, td);
if (!error) {
lth.cdth_trk0 = th.starting_track;
lth.cdth_trk1 = th.ending_track;
copyout(&lth, (void *)args->arg, sizeof(lth));
}
break;
}
case LINUX_CDROMREADTOCENTRY: {
struct linux_cdrom_tocentry lte;
struct ioc_read_toc_single_entry irtse;
error = copyin((void *)args->arg, &lte, sizeof(lte));
if (error)
break;
irtse.address_format = lte.cdte_format;
irtse.track = lte.cdte_track;
error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
td->td_ucred, td);
if (!error) {
lte.cdte_ctrl = irtse.entry.control;
lte.cdte_adr = irtse.entry.addr_type;
bsd_to_linux_msf_lba(irtse.address_format,
&irtse.entry.addr, &lte.cdte_addr);
error = copyout(&lte, (void *)args->arg, sizeof(lte));
}
break;
}
case LINUX_CDROMSTOP:
args->cmd = CDIOCSTOP;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_CDROMSTART:
args->cmd = CDIOCSTART;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_CDROMEJECT:
args->cmd = CDIOCEJECT;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
/* LINUX_CDROMVOLCTRL */
case LINUX_CDROMSUBCHNL: {
struct linux_cdrom_subchnl sc;
struct ioc_read_subchannel bsdsc;
struct cd_sub_channel_info bsdinfo;
bsdsc.address_format = CD_LBA_FORMAT;
bsdsc.data_format = CD_CURRENT_POSITION;
bsdsc.track = 0;
bsdsc.data_len = sizeof(bsdinfo);
bsdsc.data = &bsdinfo;
error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
(caddr_t)&bsdsc, td->td_ucred, td);
if (error)
break;
error = copyin((void *)args->arg, &sc, sizeof(sc));
if (error)
break;
sc.cdsc_audiostatus = bsdinfo.header.audio_status;
sc.cdsc_adr = bsdinfo.what.position.addr_type;
sc.cdsc_ctrl = bsdinfo.what.position.control;
sc.cdsc_trk = bsdinfo.what.position.track_number;
sc.cdsc_ind = bsdinfo.what.position.index_number;
set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
bsdinfo.what.position.absaddr.lba);
set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
bsdinfo.what.position.reladdr.lba);
error = copyout(&sc, (void *)args->arg, sizeof(sc));
break;
}
/* LINUX_CDROMREADMODE2 */
/* LINUX_CDROMREADMODE1 */
/* LINUX_CDROMREADAUDIO */
/* LINUX_CDROMEJECT_SW */
/* LINUX_CDROMMULTISESSION */
/* LINUX_CDROM_GET_UPC */
case LINUX_CDROMRESET:
args->cmd = CDIOCRESET;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
/* LINUX_CDROMVOLREAD */
/* LINUX_CDROMREADRAW */
/* LINUX_CDROMREADCOOKED */
/* LINUX_CDROMSEEK */
/* LINUX_CDROMPLAYBLK */
/* LINUX_CDROMREADALL */
/* LINUX_CDROMCLOSETRAY */
/* LINUX_CDROMLOADFROMSLOT */
/* LINUX_CDROMGETSPINDOWN */
/* LINUX_CDROMSETSPINDOWN */
/* LINUX_CDROM_SET_OPTIONS */
/* LINUX_CDROM_CLEAR_OPTIONS */
/* LINUX_CDROM_SELECT_SPEED */
/* LINUX_CDROM_SELECT_DISC */
/* LINUX_CDROM_MEDIA_CHANGED */
/* LINUX_CDROM_DRIVE_STATUS */
/* LINUX_CDROM_DISC_STATUS */
/* LINUX_CDROM_CHANGER_NSLOTS */
/* LINUX_CDROM_LOCKDOOR */
/* LINUX_CDROM_DEBUG */
/* LINUX_CDROM_GET_CAPABILITY */
/* LINUX_CDROMAUDIOBUFSIZ */
case LINUX_DVD_READ_STRUCT: {
l_dvd_struct *lds;
struct dvd_struct *bds;
lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
error = copyin((void *)args->arg, lds, sizeof(*lds));
if (error)
goto out;
error = linux_to_bsd_dvd_struct(lds, bds);
if (error)
goto out;
error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
td->td_ucred, td);
if (error)
goto out;
error = bsd_to_linux_dvd_struct(bds, lds);
if (error)
goto out;
error = copyout(lds, (void *)args->arg, sizeof(*lds));
out:
free(bds, M_LINUX);
free(lds, M_LINUX);
break;
}
/* LINUX_DVD_WRITE_STRUCT */
case LINUX_DVD_AUTH: {
l_dvd_authinfo lda;
struct dvd_authinfo bda;
int bcode;
error = copyin((void *)args->arg, &lda, sizeof(lda));
if (error)
break;
error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
if (error)
break;
error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
td);
if (error) {
if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
lda.type = LINUX_DVD_AUTH_FAILURE;
copyout(&lda, (void *)args->arg, sizeof(lda));
}
break;
}
error = bsd_to_linux_dvd_authinfo(&bda, &lda);
if (error)
break;
error = copyout(&lda, (void *)args->arg, sizeof(lda));
break;
}
case LINUX_SCSI_GET_BUS_NUMBER:
case LINUX_SCSI_GET_IDLUN:
error = linux_ioctl_sg(td, args);
break;
/* LINUX_CDROM_SEND_PACKET */
/* LINUX_CDROM_NEXT_WRITABLE */
/* LINUX_CDROM_LAST_WRITTEN */
default:
error = ENOIOCTL;
break;
}
fdrop(fp, td);
return (error);
}
static int
linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
{
return (ENOTTY);
}
/*
* Sound related ioctls
*/
struct linux_mixer_info {
char id[16];
char name[32];
int modify_counter;
int fillers[10];
};
struct linux_old_mixer_info {
char id[16];
char name[32];
};
static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
static int
linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
{
switch (args->cmd & 0xffff) {
case LINUX_SOUND_MIXER_WRITE_VOLUME:
args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_BASS:
args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_TREBLE:
args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_SYNTH:
args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_PCM:
args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_SPEAKER:
args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_LINE:
args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_MIC:
args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_CD:
args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_IMIX:
args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_ALTPCM:
args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_RECLEV:
args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_IGAIN:
args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_OGAIN:
args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_LINE1:
args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_LINE2:
args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_LINE3:
args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_INFO: {
/* Key on encoded length */
switch ((args->cmd >> 16) & 0x1fff) {
case 0x005c: { /* SOUND_MIXER_INFO */
struct linux_mixer_info info;
bzero(&info, sizeof(info));
strncpy(info.id, "OSS", sizeof(info.id) - 1);
strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
copyout(&info, (void *)args->arg, sizeof(info));
return (0);
}
case 0x0030: { /* SOUND_OLD_MIXER_INFO */
struct linux_old_mixer_info info;
bzero(&info, sizeof(info));
strncpy(info.id, "OSS", sizeof(info.id) - 1);
strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
copyout(&info, (void *)args->arg, sizeof(info));
return (0);
}
default:
return (ENOIOCTL);
}
break;
}
case LINUX_OSS_GETVERSION: {
int version = linux_get_oss_version(td);
return (copyout(&version, (void *)args->arg, sizeof(int)));
}
case LINUX_SOUND_MIXER_READ_STEREODEVS:
args->cmd = SOUND_MIXER_READ_STEREODEVS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_READ_CAPS:
args->cmd = SOUND_MIXER_READ_CAPS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_READ_RECMASK:
args->cmd = SOUND_MIXER_READ_RECMASK;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_READ_DEVMASK:
args->cmd = SOUND_MIXER_READ_DEVMASK;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_MIXER_WRITE_RECSRC:
args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_RESET:
args->cmd = SNDCTL_DSP_RESET;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SYNC:
args->cmd = SNDCTL_DSP_SYNC;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SPEED:
args->cmd = SNDCTL_DSP_SPEED;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_STEREO:
args->cmd = SNDCTL_DSP_STEREO;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
args->cmd = SNDCTL_DSP_GETBLKSIZE;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SETFMT:
args->cmd = SNDCTL_DSP_SETFMT;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_PCM_WRITE_CHANNELS:
args->cmd = SOUND_PCM_WRITE_CHANNELS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SOUND_PCM_WRITE_FILTER:
args->cmd = SOUND_PCM_WRITE_FILTER;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_POST:
args->cmd = SNDCTL_DSP_POST;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SUBDIVIDE:
args->cmd = SNDCTL_DSP_SUBDIVIDE;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SETFRAGMENT:
args->cmd = SNDCTL_DSP_SETFRAGMENT;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETFMTS:
args->cmd = SNDCTL_DSP_GETFMTS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETOSPACE:
args->cmd = SNDCTL_DSP_GETOSPACE;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETISPACE:
args->cmd = SNDCTL_DSP_GETISPACE;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_NONBLOCK:
args->cmd = SNDCTL_DSP_NONBLOCK;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETCAPS:
args->cmd = SNDCTL_DSP_GETCAPS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
args->cmd = SNDCTL_DSP_SETTRIGGER;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETIPTR:
args->cmd = SNDCTL_DSP_GETIPTR;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETOPTR:
args->cmd = SNDCTL_DSP_GETOPTR;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_SETDUPLEX:
args->cmd = SNDCTL_DSP_SETDUPLEX;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_DSP_GETODELAY:
args->cmd = SNDCTL_DSP_GETODELAY;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_RESET:
args->cmd = SNDCTL_SEQ_RESET;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_SYNC:
args->cmd = SNDCTL_SEQ_SYNC;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SYNTH_INFO:
args->cmd = SNDCTL_SYNTH_INFO;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_CTRLRATE:
args->cmd = SNDCTL_SEQ_CTRLRATE;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_GETINCOUNT:
args->cmd = SNDCTL_SEQ_GETINCOUNT;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_PERCMODE:
args->cmd = SNDCTL_SEQ_PERCMODE;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_FM_LOAD_INSTR:
args->cmd = SNDCTL_FM_LOAD_INSTR;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_TESTMIDI:
args->cmd = SNDCTL_SEQ_TESTMIDI;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_RESETSAMPLES:
args->cmd = SNDCTL_SEQ_RESETSAMPLES;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_NRSYNTHS:
args->cmd = SNDCTL_SEQ_NRSYNTHS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_NRMIDIS:
args->cmd = SNDCTL_SEQ_NRMIDIS;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_MIDI_INFO:
args->cmd = SNDCTL_MIDI_INFO;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SEQ_TRESHOLD:
args->cmd = SNDCTL_SEQ_TRESHOLD;
return (sys_ioctl(td, (struct ioctl_args *)args));
case LINUX_SNDCTL_SYNTH_MEMAVL:
args->cmd = SNDCTL_SYNTH_MEMAVL;
return (sys_ioctl(td, (struct ioctl_args *)args));
}
return (ENOIOCTL);
}
/*
* Console related ioctls
*/
#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
static int
linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
switch (args->cmd & 0xffff) {
case LINUX_KIOCSOUND:
args->cmd = KIOCSOUND;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDMKTONE:
args->cmd = KDMKTONE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDGETLED:
args->cmd = KDGETLED;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDSETLED:
args->cmd = KDSETLED;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDSETMODE:
args->cmd = KDSETMODE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDGETMODE:
args->cmd = KDGETMODE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDGKBMODE:
args->cmd = KDGKBMODE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_KDSKBMODE: {
int kbdmode;
switch (args->arg) {
case LINUX_KBD_RAW:
kbdmode = K_RAW;
break;
case LINUX_KBD_XLATE:
kbdmode = K_XLATE;
break;
case LINUX_KBD_MEDIUMRAW:
kbdmode = K_RAW;
break;
default:
fdrop(fp, td);
return (EINVAL);
}
error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
td->td_ucred, td));
break;
}
case LINUX_VT_OPENQRY:
args->cmd = VT_OPENQRY;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_VT_GETMODE:
args->cmd = VT_GETMODE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_VT_SETMODE: {
struct vt_mode mode;
if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
break;
if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig))
mode.frsig = mode.acqsig;
if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
break;
args->cmd = VT_SETMODE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
}
case LINUX_VT_GETSTATE:
args->cmd = VT_GETACTIVE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_VT_RELDISP:
args->cmd = VT_RELDISP;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_VT_ACTIVATE:
args->cmd = VT_ACTIVATE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
case LINUX_VT_WAITACTIVE:
args->cmd = VT_WAITACTIVE;
error = (sys_ioctl(td, (struct ioctl_args *)args));
break;
default:
error = ENOIOCTL;
break;
}
fdrop(fp, td);
return (error);
}
/*
* Criteria for interface name translation
*/
#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
/*
* Interface function used by linprocfs (at the time of writing). It's not
* used by the Linuxulator itself.
*/
int
linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
{
struct ifnet *ifscan;
int ethno;
IFNET_RLOCK_ASSERT();
/* Short-circuit non ethernet interfaces */
if (!IFP_IS_ETH(ifp))
return (strlcpy(buffer, ifp->if_xname, buflen));
/* Determine the (relative) unit number for ethernet interfaces */
ethno = 0;
TAILQ_FOREACH(ifscan, &V_ifnet, if_link) {
if (ifscan == ifp)
return (snprintf(buffer, buflen, "eth%d", ethno));
if (IFP_IS_ETH(ifscan))
ethno++;
}
return (0);
}
/*
* Translate a Linux interface name to a FreeBSD interface name,
* and return the associated ifnet structure
* bsdname and lxname need to be least IFNAMSIZ bytes long, but
* can point to the same buffer.
*/
static struct ifnet *
ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
{
struct ifnet *ifp;
int len, unit;
char *ep;
int is_eth, index;
for (len = 0; len < LINUX_IFNAMSIZ; ++len)
if (!isalpha(lxname[len]))
break;
if (len == 0 || len == LINUX_IFNAMSIZ)
return (NULL);
unit = (int)strtoul(lxname + len, &ep, 10);
if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
return (NULL);
index = 0;
is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
CURVNET_SET(TD_TO_VNET(td));
IFNET_RLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
/*
* Allow Linux programs to use FreeBSD names. Don't presume
* we never have an interface named "eth", so don't make
* the test optional based on is_eth.
*/
if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
break;
if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
break;
}
IFNET_RUNLOCK();
CURVNET_RESTORE();
if (ifp != NULL)
strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
return (ifp);
}
/*
* Implement the SIOCGIFCONF ioctl
*/
static int
linux_ifconf(struct thread *td, struct ifconf *uifc)
{
#ifdef COMPAT_LINUX32
struct l_ifconf ifc;
#else
struct ifconf ifc;
#endif
struct l_ifreq ifr;
struct ifnet *ifp;
struct ifaddr *ifa;
struct sbuf *sb;
int error, ethno, full = 0, valid_len, max_len;
error = copyin(uifc, &ifc, sizeof(ifc));
if (error != 0)
return (error);
max_len = MAXPHYS - 1;
CURVNET_SET(TD_TO_VNET(td));
/* handle the 'request buffer size' case */
if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
ifc.ifc_len = 0;
IFNET_RLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
struct sockaddr *sa = ifa->ifa_addr;
if (sa->sa_family == AF_INET)
ifc.ifc_len += sizeof(ifr);
}
}
IFNET_RUNLOCK();
error = copyout(&ifc, uifc, sizeof(ifc));
CURVNET_RESTORE();
return (error);
}
if (ifc.ifc_len <= 0) {
CURVNET_RESTORE();
return (EINVAL);
}
again:
/* Keep track of eth interfaces */
ethno = 0;
if (ifc.ifc_len <= max_len) {
max_len = ifc.ifc_len;
full = 1;
}
sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
max_len = 0;
valid_len = 0;
/* Return all AF_INET addresses of all interfaces */
IFNET_RLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
int addrs = 0;
bzero(&ifr, sizeof(ifr));
if (IFP_IS_ETH(ifp))
snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
ethno++);
else
strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
/* Walk the address list */
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
struct sockaddr *sa = ifa->ifa_addr;
if (sa->sa_family == AF_INET) {
ifr.ifr_addr.sa_family = LINUX_AF_INET;
memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
sizeof(ifr.ifr_addr.sa_data));
sbuf_bcat(sb, &ifr, sizeof(ifr));
max_len += sizeof(ifr);
addrs++;
}
if (sbuf_error(sb) == 0)
valid_len = sbuf_len(sb);
}
if (addrs == 0) {
bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
sbuf_bcat(sb, &ifr, sizeof(ifr));
max_len += sizeof(ifr);
if (sbuf_error(sb) == 0)
valid_len = sbuf_len(sb);
}
}
IFNET_RUNLOCK();
if (valid_len != max_len && !full) {
sbuf_delete(sb);
goto again;
}
ifc.ifc_len = valid_len;
sbuf_finish(sb);
error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
if (error == 0)
error = copyout(&ifc, uifc, sizeof(ifc));
sbuf_delete(sb);
CURVNET_RESTORE();
return (error);
}
static int
linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
{
l_short flags;
flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
/* these flags have no Linux equivalent */
flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX|
IFF_LINK0|IFF_LINK1|IFF_LINK2);
/* Linux' multicast flag is in a different bit */
if (flags & IFF_MULTICAST) {
flags &= ~IFF_MULTICAST;
flags |= 0x1000;
}
return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
}
#define ARPHRD_ETHER 1
#define ARPHRD_LOOPBACK 772
static int
linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
{
struct ifaddr *ifa;
struct sockaddr_dl *sdl;
struct l_sockaddr lsa;
if (ifp->if_type == IFT_LOOP) {
bzero(&lsa, sizeof(lsa));
lsa.sa_family = ARPHRD_LOOPBACK;
return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
}
if (ifp->if_type != IFT_ETHER)
return (ENOENT);
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
sdl = (struct sockaddr_dl*)ifa->ifa_addr;
if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
(sdl->sdl_type == IFT_ETHER)) {
bzero(&lsa, sizeof(lsa));
lsa.sa_family = ARPHRD_ETHER;
bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
}
}
return (ENOENT);
}
/*
* If we fault in bsd_to_linux_ifreq() then we will fault when we call
* the native ioctl(). Thus, we don't really need to check the return
* value of this function.
*/
static int
bsd_to_linux_ifreq(struct ifreq *arg)
{
struct ifreq ifr;
size_t ifr_len = sizeof(struct ifreq);
int error;
if ((error = copyin(arg, &ifr, ifr_len)))
return (error);
*(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
error = copyout(&ifr, arg, ifr_len);
return (error);
}
/*
* Socket related ioctls
*/
static int
linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
{
char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
struct ifnet *ifp;
struct file *fp;
int error, type;
ifp = NULL;
error = 0;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
type = fp->f_type;
fdrop(fp, td);
if (type != DTYPE_SOCKET) {
/* not a socket - probably a tap / vmnet device */
switch (args->cmd) {
case LINUX_SIOCGIFADDR:
case LINUX_SIOCSIFADDR:
case LINUX_SIOCGIFFLAGS:
return (linux_ioctl_special(td, args));
default:
return (ENOIOCTL);
}
}
switch (args->cmd & 0xffff) {
case LINUX_FIOGETOWN:
case LINUX_FIOSETOWN:
case LINUX_SIOCADDMULTI:
case LINUX_SIOCATMARK:
case LINUX_SIOCDELMULTI:
case LINUX_SIOCGIFCONF:
case LINUX_SIOCGPGRP:
case LINUX_SIOCSPGRP:
case LINUX_SIOCGIFCOUNT:
/* these ioctls don't take an interface name */
#ifdef DEBUG
printf("%s(): ioctl %d\n", __func__,
args->cmd & 0xffff);
#endif
break;
case LINUX_SIOCGIFFLAGS:
case LINUX_SIOCGIFADDR:
case LINUX_SIOCSIFADDR:
case LINUX_SIOCGIFDSTADDR:
case LINUX_SIOCGIFBRDADDR:
case LINUX_SIOCGIFNETMASK:
case LINUX_SIOCSIFNETMASK:
case LINUX_SIOCGIFMTU:
case LINUX_SIOCSIFMTU:
case LINUX_SIOCSIFNAME:
case LINUX_SIOCGIFHWADDR:
case LINUX_SIOCSIFHWADDR:
case LINUX_SIOCDEVPRIVATE:
case LINUX_SIOCDEVPRIVATE+1:
case LINUX_SIOCGIFINDEX:
/* copy in the interface name and translate it. */
error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
if (error != 0)
return (error);
#ifdef DEBUG
printf("%s(): ioctl %d on %.*s\n", __func__,
args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
#endif
ifp = ifname_linux_to_bsd(td, lifname, ifname);
if (ifp == NULL)
return (EINVAL);
/*
* We need to copy it back out in case we pass the
* request on to our native ioctl(), which will expect
* the ifreq to be in user space and have the correct
* interface name.
*/
error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
if (error != 0)
return (error);
#ifdef DEBUG
printf("%s(): %s translated to %s\n", __func__,
lifname, ifname);
#endif
break;
default:
return (ENOIOCTL);
}
switch (args->cmd & 0xffff) {
case LINUX_FIOSETOWN:
args->cmd = FIOSETOWN;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCSPGRP:
args->cmd = SIOCSPGRP;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_FIOGETOWN:
args->cmd = FIOGETOWN;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCGPGRP:
args->cmd = SIOCGPGRP;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCATMARK:
args->cmd = SIOCATMARK;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
/* LINUX_SIOCGSTAMP */
case LINUX_SIOCGIFCONF:
error = linux_ifconf(td, (struct ifconf *)args->arg);
break;
case LINUX_SIOCGIFFLAGS:
args->cmd = SIOCGIFFLAGS;
error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
break;
case LINUX_SIOCGIFADDR:
args->cmd = SIOCGIFADDR;
error = sys_ioctl(td, (struct ioctl_args *)args);
bsd_to_linux_ifreq((struct ifreq *)args->arg);
break;
case LINUX_SIOCSIFADDR:
/* XXX probably doesn't work, included for completeness */
args->cmd = SIOCSIFADDR;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCGIFDSTADDR:
args->cmd = SIOCGIFDSTADDR;
error = sys_ioctl(td, (struct ioctl_args *)args);
bsd_to_linux_ifreq((struct ifreq *)args->arg);
break;
case LINUX_SIOCGIFBRDADDR:
args->cmd = SIOCGIFBRDADDR;
error = sys_ioctl(td, (struct ioctl_args *)args);
bsd_to_linux_ifreq((struct ifreq *)args->arg);
break;
case LINUX_SIOCGIFNETMASK:
args->cmd = SIOCGIFNETMASK;
error = sys_ioctl(td, (struct ioctl_args *)args);
bsd_to_linux_ifreq((struct ifreq *)args->arg);
break;
case LINUX_SIOCSIFNETMASK:
error = ENOIOCTL;
break;
case LINUX_SIOCGIFMTU:
args->cmd = SIOCGIFMTU;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCSIFMTU:
args->cmd = SIOCSIFMTU;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCSIFNAME:
error = ENOIOCTL;
break;
case LINUX_SIOCGIFHWADDR:
error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
break;
case LINUX_SIOCSIFHWADDR:
error = ENOIOCTL;
break;
case LINUX_SIOCADDMULTI:
args->cmd = SIOCADDMULTI;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCDELMULTI:
args->cmd = SIOCDELMULTI;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCGIFINDEX:
args->cmd = SIOCGIFINDEX;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCGIFCOUNT:
error = 0;
break;
/*
* XXX This is slightly bogus, but these ioctls are currently
* XXX only used by the aironet (if_an) network driver.
*/
case LINUX_SIOCDEVPRIVATE:
args->cmd = SIOCGPRIVATE_0;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCDEVPRIVATE+1:
args->cmd = SIOCGPRIVATE_1;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
}
if (ifp != NULL)
/* restore the original interface name */
copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
#ifdef DEBUG
printf("%s(): returning %d\n", __func__, error);
#endif
return (error);
}
/*
* Device private ioctl handler
*/
static int
linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error, type;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
type = fp->f_type;
fdrop(fp, td);
if (type == DTYPE_SOCKET)
return (linux_ioctl_socket(td, args));
return (ENOIOCTL);
}
/*
* DRM ioctl handler (sys/dev/drm)
*/
static int
linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
{
args->cmd = SETDIR(args->cmd);
return sys_ioctl(td, (struct ioctl_args *)args);
}
static int
linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
u_long cmd;
int error;
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) {
printf("sg_linux_ioctl: fget returned %d\n", error);
return (error);
}
cmd = args->cmd;
error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td));
fdrop(fp, td);
return (error);
}
/*
* Video4Linux (V4L) ioctl handler
*/
static int
linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
{
vt->tuner = lvt->tuner;
strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
vt->rangelow = lvt->rangelow; /* possible long size conversion */
vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
vt->flags = lvt->flags;
vt->mode = lvt->mode;
vt->signal = lvt->signal;
return (0);
}
static int
bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
{
lvt->tuner = vt->tuner;
strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
lvt->rangelow = vt->rangelow; /* possible long size conversion */
lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
lvt->flags = vt->flags;
lvt->mode = vt->mode;
lvt->signal = vt->signal;
return (0);
}
#ifdef COMPAT_LINUX_V4L_CLIPLIST
static int
linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
{
vc->x = lvc->x;
vc->y = lvc->y;
vc->width = lvc->width;
vc->height = lvc->height;
vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
return (0);
}
#endif
static int
linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
{
vw->x = lvw->x;
vw->y = lvw->y;
vw->width = lvw->width;
vw->height = lvw->height;
vw->chromakey = lvw->chromakey;
vw->flags = lvw->flags;
vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
vw->clipcount = lvw->clipcount;
return (0);
}
static int
bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
{
lvw->x = vw->x;
lvw->y = vw->y;
lvw->width = vw->width;
lvw->height = vw->height;
lvw->chromakey = vw->chromakey;
lvw->flags = vw->flags;
lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
lvw->clipcount = vw->clipcount;
return (0);
}
static int
linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
{
vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
vb->height = lvb->height;
vb->width = lvb->width;
vb->depth = lvb->depth;
vb->bytesperline = lvb->bytesperline;
return (0);
}
static int
bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
{
lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
lvb->height = vb->height;
lvb->width = vb->width;
lvb->depth = vb->depth;
lvb->bytesperline = vb->bytesperline;
return (0);
}
static int
linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
{
strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
vc->datasize = lvc->datasize;
vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
return (0);
}
#ifdef COMPAT_LINUX_V4L_CLIPLIST
static int
linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
{
int error;
struct video_clip vclip;
struct l_video_clip l_vclip;
error = copyin(lvc, &l_vclip, sizeof(l_vclip));
if (error) return (error);
linux_to_bsd_v4l_clip(&l_vclip, &vclip);
/* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
return (ENOMEM); /* XXX: linux has no ENOMEM here */
memcpy(*ppvc, &vclip, sizeof(vclip));
(*ppvc)->next = NULL;
return (0);
}
static int
linux_v4l_cliplist_free(struct video_window *vw)
{
struct video_clip **ppvc;
struct video_clip **ppvc_next;
for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
ppvc_next = &((*ppvc)->next);
free(*ppvc, M_LINUX);
}
vw->clips = NULL;
return (0);
}
static int
linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
{
int error;
int clipcount;
void *plvc;
struct video_clip **ppvc;
/*
* XXX: The cliplist is used to pass in a list of clipping
* rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
* clipping bitmap. Some Linux apps, however, appear to
* leave cliplist and clips uninitialized. In any case,
* the cliplist is not used by pwc(4), at the time of
* writing, FreeBSD's only V4L driver. When a driver
* that uses the cliplist is developed, this code may
* need re-examiniation.
*/
error = 0;
clipcount = vw->clipcount;
if (clipcount == VIDEO_CLIP_BITMAP) {
/*
* In this case, the pointer (clips) is overloaded
* to be a "void *" to a bitmap, therefore there
* is no struct video_clip to copy now.
*/
} else if (clipcount > 0 && clipcount <= 16384) {
/*
* Clips points to list of clip rectangles, so
* copy the list.
*
* XXX: Upper limit of 16384 was used here to try to
* avoid cases when clipcount and clips pointer
* are uninitialized and therefore have high random
* values, as is the case in the Linux Skype
* application. The value 16384 was chosen as that
* is what is used in the Linux stradis(4) MPEG
* decoder driver, the only place we found an
* example of cliplist use.
*/
plvc = PTRIN(lvw->clips);
vw->clips = NULL;
ppvc = &(vw->clips);
while (clipcount-- > 0) {
if (plvc == 0) {
error = EFAULT;
break;
} else {
error = linux_v4l_clip_copy(plvc, ppvc);
if (error) {
linux_v4l_cliplist_free(vw);
break;
}
}
ppvc = &((*ppvc)->next);
plvc = PTRIN(((struct l_video_clip *) plvc)->next);
}
} else {
/*
* clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
* Force cliplist to null.
*/
vw->clipcount = 0;
vw->clips = NULL;
}
return (error);
}
#endif
static int
linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
struct video_tuner vtun;
struct video_window vwin;
struct video_buffer vbuf;
struct video_code vcode;
struct l_video_tuner l_vtun;
struct l_video_window l_vwin;
struct l_video_buffer l_vbuf;
struct l_video_code l_vcode;
switch (args->cmd & 0xffff) {
case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
case LINUX_VIDIOCGTUNER:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
if (error) {
fdrop(fp, td);
return (error);
}
linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
if (!error) {
bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
error = copyout(&l_vtun, (void *) args->arg,
sizeof(l_vtun));
}
fdrop(fp, td);
return (error);
case LINUX_VIDIOCSTUNER:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
if (error) {
fdrop(fp, td);
return (error);
}
linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
fdrop(fp, td);
return (error);
case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
case LINUX_VIDIOCGWIN:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
if (!error) {
bsd_to_linux_v4l_window(&vwin, &l_vwin);
error = copyout(&l_vwin, (void *) args->arg,
sizeof(l_vwin));
}
fdrop(fp, td);
return (error);
case LINUX_VIDIOCSWIN:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
if (error) {
fdrop(fp, td);
return (error);
}
linux_to_bsd_v4l_window(&l_vwin, &vwin);
#ifdef COMPAT_LINUX_V4L_CLIPLIST
error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
if (error) {
fdrop(fp, td);
return (error);
}
#endif
error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
fdrop(fp, td);
#ifdef COMPAT_LINUX_V4L_CLIPLIST
linux_v4l_cliplist_free(&vwin);
#endif
return (error);
case LINUX_VIDIOCGFBUF:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
if (!error) {
bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
error = copyout(&l_vbuf, (void *) args->arg,
sizeof(l_vbuf));
}
fdrop(fp, td);
return (error);
case LINUX_VIDIOCSFBUF:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
if (error) {
fdrop(fp, td);
return (error);
}
linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
fdrop(fp, td);
return (error);
case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
case LINUX_VIDIOCSMICROCODE:
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
if (error) {
fdrop(fp, td);
return (error);
}
linux_to_bsd_v4l_code(&l_vcode, &vcode);
error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
fdrop(fp, td);
return (error);
case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
default: return (ENOIOCTL);
}
error = sys_ioctl(td, (struct ioctl_args *)args);
return (error);
}
/*
* Special ioctl handler
*/
static int
linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
{
int error;
switch (args->cmd) {
case LINUX_SIOCGIFADDR:
args->cmd = SIOCGIFADDR;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCSIFADDR:
args->cmd = SIOCSIFADDR;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
case LINUX_SIOCGIFFLAGS:
args->cmd = SIOCGIFFLAGS;
error = sys_ioctl(td, (struct ioctl_args *)args);
break;
default:
error = ENOIOCTL;
}
return (error);
}
static int
linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
{
vstd->index = lvstd->index;
vstd->id = lvstd->id;
memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
return (0);
}
static int
bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
{
lvstd->index = vstd->index;
lvstd->id = vstd->id;
memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
return (0);
}
static int
linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
{
vb->index = lvb->index;
vb->type = lvb->type;
vb->bytesused = lvb->bytesused;
vb->flags = lvb->flags;
vb->field = lvb->field;
vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
vb->sequence = lvb->sequence;
vb->memory = lvb->memory;
if (lvb->memory == V4L2_MEMORY_USERPTR)
/* possible pointer size conversion */
vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
else
vb->m.offset = lvb->m.offset;
vb->length = lvb->length;
vb->input = lvb->input;
vb->reserved = lvb->reserved;
return (0);
}
static int
bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
{
lvb->index = vb->index;
lvb->type = vb->type;
lvb->bytesused = vb->bytesused;
lvb->flags = vb->flags;
lvb->field = vb->field;
lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
lvb->sequence = vb->sequence;
lvb->memory = vb->memory;
if (vb->memory == V4L2_MEMORY_USERPTR)
/* possible pointer size conversion */
lvb->m.userptr = PTROUT(vb->m.userptr);
else
lvb->m.offset = vb->m.offset;
lvb->length = vb->length;
lvb->input = vb->input;
lvb->reserved = vb->reserved;
return (0);
}
static int
linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
{
vf->type = lvf->type;
if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
|| lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
#endif
)
/*
* XXX TODO - needs 32 -> 64 bit conversion:
* (unused by webcams?)
*/
return EINVAL;
memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
return 0;
}
static int
bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
{
lvf->type = vf->type;
if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
|| vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
#endif
)
/*
* XXX TODO - needs 32 -> 64 bit conversion:
* (unused by webcams?)
*/
return EINVAL;
memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
return 0;
}
static int
linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
struct v4l2_format vformat;
struct l_v4l2_format l_vformat;
struct v4l2_standard vstd;
struct l_v4l2_standard l_vstd;
struct l_v4l2_buffer l_vbuf;
struct v4l2_buffer vbuf;
struct v4l2_input vinp;
switch (args->cmd & 0xffff) {
case LINUX_VIDIOC_RESERVED:
case LINUX_VIDIOC_LOG_STATUS:
if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
return ENOIOCTL;
args->cmd = (args->cmd & 0xffff) | IOC_VOID;
break;
case LINUX_VIDIOC_OVERLAY:
case LINUX_VIDIOC_STREAMON:
case LINUX_VIDIOC_STREAMOFF:
case LINUX_VIDIOC_S_STD:
case LINUX_VIDIOC_S_TUNER:
case LINUX_VIDIOC_S_AUDIO:
case LINUX_VIDIOC_S_AUDOUT:
case LINUX_VIDIOC_S_MODULATOR:
case LINUX_VIDIOC_S_FREQUENCY:
case LINUX_VIDIOC_S_CROP:
case LINUX_VIDIOC_S_JPEGCOMP:
case LINUX_VIDIOC_S_PRIORITY:
case LINUX_VIDIOC_DBG_S_REGISTER:
case LINUX_VIDIOC_S_HW_FREQ_SEEK:
case LINUX_VIDIOC_SUBSCRIBE_EVENT:
case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
break;
case LINUX_VIDIOC_QUERYCAP:
case LINUX_VIDIOC_G_STD:
case LINUX_VIDIOC_G_AUDIO:
case LINUX_VIDIOC_G_INPUT:
case LINUX_VIDIOC_G_OUTPUT:
case LINUX_VIDIOC_G_AUDOUT:
case LINUX_VIDIOC_G_JPEGCOMP:
case LINUX_VIDIOC_QUERYSTD:
case LINUX_VIDIOC_G_PRIORITY:
case LINUX_VIDIOC_QUERY_DV_PRESET:
args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
break;
case LINUX_VIDIOC_ENUM_FMT:
case LINUX_VIDIOC_REQBUFS:
case LINUX_VIDIOC_G_PARM:
case LINUX_VIDIOC_S_PARM:
case LINUX_VIDIOC_G_CTRL:
case LINUX_VIDIOC_S_CTRL:
case LINUX_VIDIOC_G_TUNER:
case LINUX_VIDIOC_QUERYCTRL:
case LINUX_VIDIOC_QUERYMENU:
case LINUX_VIDIOC_S_INPUT:
case LINUX_VIDIOC_S_OUTPUT:
case LINUX_VIDIOC_ENUMOUTPUT:
case LINUX_VIDIOC_G_MODULATOR:
case LINUX_VIDIOC_G_FREQUENCY:
case LINUX_VIDIOC_CROPCAP:
case LINUX_VIDIOC_G_CROP:
case LINUX_VIDIOC_ENUMAUDIO:
case LINUX_VIDIOC_ENUMAUDOUT:
case LINUX_VIDIOC_G_SLICED_VBI_CAP:
#ifdef VIDIOC_ENUM_FRAMESIZES
case LINUX_VIDIOC_ENUM_FRAMESIZES:
case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
case LINUX_VIDIOC_ENCODER_CMD:
case LINUX_VIDIOC_TRY_ENCODER_CMD:
#endif
case LINUX_VIDIOC_DBG_G_REGISTER:
case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
case LINUX_VIDIOC_ENUM_DV_PRESETS:
case LINUX_VIDIOC_S_DV_PRESET:
case LINUX_VIDIOC_G_DV_PRESET:
case LINUX_VIDIOC_S_DV_TIMINGS:
case LINUX_VIDIOC_G_DV_TIMINGS:
args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
break;
case LINUX_VIDIOC_G_FMT:
case LINUX_VIDIOC_S_FMT:
case LINUX_VIDIOC_TRY_FMT:
error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
if (error)
return (error);
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
error = EINVAL;
else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
td->td_ucred, td);
else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
td->td_ucred, td);
else
error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
td->td_ucred, td);
bsd_to_linux_v4l2_format(&vformat, &l_vformat);
copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
fdrop(fp, td);
return (error);
case LINUX_VIDIOC_ENUMSTD:
error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
if (error)
return (error);
linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
td->td_ucred, td);
if (error) {
fdrop(fp, td);
return (error);
}
bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
fdrop(fp, td);
return (error);
case LINUX_VIDIOC_ENUMINPUT:
/*
* The Linux struct l_v4l2_input differs only in size,
* it has no padding at the end.
*/
error = copyin((void *)args->arg, &vinp,
sizeof(struct l_v4l2_input));
if (error != 0)
return (error);
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
td->td_ucred, td);
if (error) {
fdrop(fp, td);
return (error);
}
error = copyout(&vinp, (void *)args->arg,
sizeof(struct l_v4l2_input));
fdrop(fp, td);
return (error);
case LINUX_VIDIOC_QUERYBUF:
case LINUX_VIDIOC_QBUF:
case LINUX_VIDIOC_DQBUF:
error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
if (error)
return (error);
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
td->td_ucred, td);
else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
td->td_ucred, td);
else
error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
td->td_ucred, td);
bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
fdrop(fp, td);
return (error);
/*
* XXX TODO - these need 32 -> 64 bit conversion:
* (are any of them needed for webcams?)
*/
case LINUX_VIDIOC_G_FBUF:
case LINUX_VIDIOC_S_FBUF:
case LINUX_VIDIOC_G_EXT_CTRLS:
case LINUX_VIDIOC_S_EXT_CTRLS:
case LINUX_VIDIOC_TRY_EXT_CTRLS:
case LINUX_VIDIOC_DQEVENT:
default: return (ENOIOCTL);
}
error = sys_ioctl(td, (struct ioctl_args *)args);
return (error);
}
/*
* Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
* instead of USB* ones. This lets us to provide correct values for cmd.
* 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
*/
static int
linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
{
int error;
error = 0;
switch (args->cmd) {
case FBSD_LUSB_DEVICEENUMERATE:
args->cmd = USB_DEVICEENUMERATE;
break;
case FBSD_LUSB_DEV_QUIRK_ADD:
args->cmd = USB_DEV_QUIRK_ADD;
break;
case FBSD_LUSB_DEV_QUIRK_GET:
args->cmd = USB_DEV_QUIRK_GET;
break;
case FBSD_LUSB_DEV_QUIRK_REMOVE:
args->cmd = USB_DEV_QUIRK_REMOVE;
break;
case FBSD_LUSB_DO_REQUEST:
args->cmd = USB_DO_REQUEST;
break;
case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
args->cmd = USB_FS_CLEAR_STALL_SYNC;
break;
case FBSD_LUSB_FS_CLOSE:
args->cmd = USB_FS_CLOSE;
break;
case FBSD_LUSB_FS_COMPLETE:
args->cmd = USB_FS_COMPLETE;
break;
case FBSD_LUSB_FS_INIT:
args->cmd = USB_FS_INIT;
break;
case FBSD_LUSB_FS_OPEN:
args->cmd = USB_FS_OPEN;
break;
case FBSD_LUSB_FS_START:
args->cmd = USB_FS_START;
break;
case FBSD_LUSB_FS_STOP:
args->cmd = USB_FS_STOP;
break;
case FBSD_LUSB_FS_UNINIT:
args->cmd = USB_FS_UNINIT;
break;
case FBSD_LUSB_GET_CONFIG:
args->cmd = USB_GET_CONFIG;
break;
case FBSD_LUSB_GET_DEVICEINFO:
args->cmd = USB_GET_DEVICEINFO;
break;
case FBSD_LUSB_GET_DEVICE_DESC:
args->cmd = USB_GET_DEVICE_DESC;
break;
case FBSD_LUSB_GET_FULL_DESC:
args->cmd = USB_GET_FULL_DESC;
break;
case FBSD_LUSB_GET_IFACE_DRIVER:
args->cmd = USB_GET_IFACE_DRIVER;
break;
case FBSD_LUSB_GET_PLUGTIME:
args->cmd = USB_GET_PLUGTIME;
break;
case FBSD_LUSB_GET_POWER_MODE:
args->cmd = USB_GET_POWER_MODE;
break;
case FBSD_LUSB_GET_REPORT_DESC:
args->cmd = USB_GET_REPORT_DESC;
break;
case FBSD_LUSB_GET_REPORT_ID:
args->cmd = USB_GET_REPORT_ID;
break;
case FBSD_LUSB_GET_TEMPLATE:
args->cmd = USB_GET_TEMPLATE;
break;
case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
args->cmd = USB_IFACE_DRIVER_ACTIVE;
break;
case FBSD_LUSB_IFACE_DRIVER_DETACH:
args->cmd = USB_IFACE_DRIVER_DETACH;
break;
case FBSD_LUSB_QUIRK_NAME_GET:
args->cmd = USB_QUIRK_NAME_GET;
break;
case FBSD_LUSB_READ_DIR:
args->cmd = USB_READ_DIR;
break;
case FBSD_LUSB_SET_ALTINTERFACE:
args->cmd = USB_SET_ALTINTERFACE;
break;
case FBSD_LUSB_SET_CONFIG:
args->cmd = USB_SET_CONFIG;
break;
case FBSD_LUSB_SET_IMMED:
args->cmd = USB_SET_IMMED;
break;
case FBSD_LUSB_SET_POWER_MODE:
args->cmd = USB_SET_POWER_MODE;
break;
case FBSD_LUSB_SET_TEMPLATE:
args->cmd = USB_SET_TEMPLATE;
break;
default:
error = ENOIOCTL;
}
if (error != ENOIOCTL)
error = sys_ioctl(td, (struct ioctl_args *)args);
return (error);
}
/*
* main ioctl syscall function
*/
int
linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
struct handler_element *he;
int error, cmd;
#ifdef DEBUG
if (ldebug(ioctl))
printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
(unsigned long)args->cmd);
#endif
if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
return (error);
if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
fdrop(fp, td);
return (EBADF);
}
/* Iterate over the ioctl handlers */
cmd = args->cmd & 0xffff;
sx_slock(&linux_ioctl_sx);
mtx_lock(&Giant);
TAILQ_FOREACH(he, &handlers, list) {
if (cmd >= he->low && cmd <= he->high) {
error = (*he->func)(td, args);
if (error != ENOIOCTL) {
mtx_unlock(&Giant);
sx_sunlock(&linux_ioctl_sx);
fdrop(fp, td);
return (error);
}
}
}
mtx_unlock(&Giant);
sx_sunlock(&linux_ioctl_sx);
fdrop(fp, td);
linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
args->fd, (int)(args->cmd & 0xffff),
(int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
return (EINVAL);
}
int
linux_ioctl_register_handler(struct linux_ioctl_handler *h)
{
struct handler_element *he, *cur;
if (h == NULL || h->func == NULL)
return (EINVAL);
/*
* Reuse the element if the handler is already on the list, otherwise
* create a new element.
*/
sx_xlock(&linux_ioctl_sx);
TAILQ_FOREACH(he, &handlers, list) {
if (he->func == h->func)
break;
}
if (he == NULL) {
he = malloc(sizeof(*he),
M_LINUX, M_WAITOK);
he->func = h->func;
} else
TAILQ_REMOVE(&handlers, he, list);
/* Initialize range information. */
he->low = h->low;
he->high = h->high;
he->span = h->high - h->low + 1;
/* Add the element to the list, sorted on span. */
TAILQ_FOREACH(cur, &handlers, list) {
if (cur->span > he->span) {
TAILQ_INSERT_BEFORE(cur, he, list);
sx_xunlock(&linux_ioctl_sx);
return (0);
}
}
TAILQ_INSERT_TAIL(&handlers, he, list);
sx_xunlock(&linux_ioctl_sx);
return (0);
}
int
linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
{
struct handler_element *he;
if (h == NULL || h->func == NULL)
return (EINVAL);
sx_xlock(&linux_ioctl_sx);
TAILQ_FOREACH(he, &handlers, list) {
if (he->func == h->func) {
TAILQ_REMOVE(&handlers, he, list);
sx_xunlock(&linux_ioctl_sx);
free(he, M_LINUX);
return (0);
}
}
sx_xunlock(&linux_ioctl_sx);
return (EINVAL);
}
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