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/*
* 32bit -> 64bit ioctl wrapper for sequencer API
* Copyright (c) by Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* This file included from seq.c */
#include <linux/compat.h>
#include <linux/slab.h>
struct snd_seq_port_info32 {
struct snd_seq_addr addr; /* client/port numbers */
char name[64]; /* port name */
u32 capability; /* port capability bits */
u32 type; /* port type bits */
s32 midi_channels; /* channels per MIDI port */
s32 midi_voices; /* voices per MIDI port */
s32 synth_voices; /* voices per SYNTH port */
s32 read_use; /* R/O: subscribers for output (from this port) */
s32 write_use; /* R/O: subscribers for input (to this port) */
u32 kernel; /* reserved for kernel use (must be NULL) */
u32 flags; /* misc. conditioning */
unsigned char time_queue; /* queue # for timestamping */
char reserved[59]; /* for future use */
};
static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned int cmd,
struct snd_seq_port_info32 __user *data32)
{
int err = -EFAULT;
struct snd_seq_port_info *data;
mm_segment_t fs;
data = memdup_user(data32, sizeof(*data32));
if (IS_ERR(data))
return PTR_ERR(data);
if (get_user(data->flags, &data32->flags) ||
get_user(data->time_queue, &data32->time_queue))
goto error;
data->kernel = NULL;
fs = snd_enter_user();
err = snd_seq_do_ioctl(client, cmd, data);
snd_leave_user(fs);
if (err < 0)
goto error;
if (copy_to_user(data32, data, sizeof(*data32)) ||
put_user(data->flags, &data32->flags) ||
put_user(data->time_queue, &data32->time_queue))
err = -EFAULT;
error:
kfree(data);
return err;
}
/*
*/
enum {
SNDRV_SEQ_IOCTL_CREATE_PORT32 = _IOWR('S', 0x20, struct snd_seq_port_info32),
SNDRV_SEQ_IOCTL_DELETE_PORT32 = _IOW ('S', 0x21, struct snd_seq_port_info32),
SNDRV_SEQ_IOCTL_GET_PORT_INFO32 = _IOWR('S', 0x22, struct snd_seq_port_info32),
SNDRV_SEQ_IOCTL_SET_PORT_INFO32 = _IOW ('S', 0x23, struct snd_seq_port_info32),
SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT32 = _IOWR('S', 0x52, struct snd_seq_port_info32),
};
static long snd_seq_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
{
struct snd_seq_client *client = file->private_data;
void __user *argp = compat_ptr(arg);
if (snd_BUG_ON(!client))
return -ENXIO;
switch (cmd) {
case SNDRV_SEQ_IOCTL_PVERSION:
case SNDRV_SEQ_IOCTL_CLIENT_ID:
case SNDRV_SEQ_IOCTL_SYSTEM_INFO:
case SNDRV_SEQ_IOCTL_GET_CLIENT_INFO:
case SNDRV_SEQ_IOCTL_SET_CLIENT_INFO:
case SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT:
case SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT:
case SNDRV_SEQ_IOCTL_CREATE_QUEUE:
case SNDRV_SEQ_IOCTL_DELETE_QUEUE:
case SNDRV_SEQ_IOCTL_GET_QUEUE_INFO:
case SNDRV_SEQ_IOCTL_SET_QUEUE_INFO:
case SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE:
case SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS:
case SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO:
case SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO:
case SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER:
case SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER:
case SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT:
case SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT:
case SNDRV_SEQ_IOCTL_GET_CLIENT_POOL:
case SNDRV_SEQ_IOCTL_SET_CLIENT_POOL:
case SNDRV_SEQ_IOCTL_REMOVE_EVENTS:
case SNDRV_SEQ_IOCTL_QUERY_SUBS:
case SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION:
case SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT:
case SNDRV_SEQ_IOCTL_RUNNING_MODE:
return snd_seq_do_ioctl(client, cmd, argp);
case SNDRV_SEQ_IOCTL_CREATE_PORT32:
return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_CREATE_PORT, argp);
case SNDRV_SEQ_IOCTL_DELETE_PORT32:
return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_DELETE_PORT, argp);
case SNDRV_SEQ_IOCTL_GET_PORT_INFO32:
return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_GET_PORT_INFO, argp);
case SNDRV_SEQ_IOCTL_SET_PORT_INFO32:
return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_SET_PORT_INFO, argp);
case SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT32:
return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT, argp);
}
return -ENOIOCTLCMD;
}
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