[ALSA] remove obsolete sound/core/ioctl32 directory

The compatibility layer is integrated to ALSA midlevel code now.

include/sound/version.h~

+/* include/version.h.  Generated by configure.  */
+#define CONFIG_SND_VERSION "1.0.8rc2"
+#define CONFIG_SND_DATE " (Wed Jan 05 06:44:40 2005 UTC)"

sound/core/ioctl32/Makefile

-#
-# Makefile for ALSA
-# Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
-#
-
-snd-ioctl32-objs := ioctl32.o pcm32.o rawmidi32.o timer32.o hwdep32.o
-ifneq ($(CONFIG_SND_SEQUENCER),n)
-  snd-ioctl32-objs += seq32.o
-endif
-
-obj-$(CONFIG_SND_BIT32_EMUL) += snd-ioctl32.o

sound/core/ioctl32/hwdep32.c

-/*
- *   32bit -> 64bit ioctl wrapper for hwdep 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
- *
- */
-
-#include <sound/driver.h>
-#include <linux/time.h>
-#include <linux/fs.h>
-#include <sound/core.h>
-#include <sound/hwdep.h>
-#include <asm/uaccess.h>
-#include "ioctl32.h"
-
-struct sndrv_hwdep_dsp_image32 {
-	u32 index;
-	unsigned char name[64];
-	u32 image;	/* pointer */
-	u32 length;
-	u32 driver_data;
-} /* don't set packed attribute here */;
-
-static inline int _snd_ioctl32_hwdep_dsp_image(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	struct sndrv_hwdep_dsp_image __user *data, *dst;
-	struct sndrv_hwdep_dsp_image32 __user *data32, *src;
-	compat_caddr_t ptr;
-
-	data32 = compat_ptr(arg);
-	data = compat_alloc_user_space(sizeof(*data));
-
-	/* index and name */
-	if (copy_in_user(data, data32, 4 + 64))
-		return -EFAULT;
-	if (__get_user(ptr, &data32->image) ||
-	    __put_user(compat_ptr(ptr), &data->image))
-		return -EFAULT;
-	src = data32;
-	dst = data;
-	COPY_CVT(length);
-	COPY_CVT(driver_data);
-	return file->f_op->ioctl(file->f_dentry->d_inode, file, native_ctl, (unsigned long)data);
-}
-
-DEFINE_ALSA_IOCTL_ENTRY(hwdep_dsp_image, hwdep_dsp_image, SNDRV_HWDEP_IOCTL_DSP_LOAD);
-
-#define AP(x) snd_ioctl32_##x
-
-enum {
-	SNDRV_HWDEP_IOCTL_DSP_LOAD32   = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image32)
-};
-
-struct ioctl32_mapper hwdep_mappers[] = {
-	MAP_COMPAT(SNDRV_HWDEP_IOCTL_PVERSION),
-	MAP_COMPAT(SNDRV_HWDEP_IOCTL_INFO),
-	MAP_COMPAT(SNDRV_HWDEP_IOCTL_DSP_STATUS),
-	{ SNDRV_HWDEP_IOCTL_DSP_LOAD32, AP(hwdep_dsp_image) },
-	{ 0 },
-};

sound/core/ioctl32/ioctl32.c

-/*
- *   32bit -> 64bit ioctl wrapper for control 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
- *
- */
-
-#include <sound/driver.h>
-#include <linux/sched.h>
-#include <linux/smp_lock.h>
-#include <linux/init.h>
-#include <linux/time.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <sound/core.h>
-#include <sound/control.h>
-#include <sound/minors.h>
-#include <asm/uaccess.h>
-#include "ioctl32.h"
-
-
-/*
- * register/unregister mappers
- * exported for other modules
- */
-
-MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
-MODULE_DESCRIPTION("ioctl32 wrapper for ALSA");
-MODULE_LICENSE("GPL");
-
-int register_ioctl32_conversion(unsigned int cmd, int (*handler)(unsigned int, unsigned int, unsigned long, struct file *));
-int unregister_ioctl32_conversion(unsigned int cmd);
-
-
-int snd_ioctl32_register(struct ioctl32_mapper *mappers)
-{
-	int err;
-	struct ioctl32_mapper *m;
-
-	for (m = mappers; m->cmd; m++) {
-		err = register_ioctl32_conversion(m->cmd, m->handler);
-		if (err >= 0)
-			m->registered++;
-	}
-	return 0;
-}
-
-void snd_ioctl32_unregister(struct ioctl32_mapper *mappers)
-{
-	struct ioctl32_mapper *m;
-
-	for (m = mappers; m->cmd; m++) {
-		if (m->registered) {
-			unregister_ioctl32_conversion(m->cmd);
-			m->registered = 0;
-		}
-	}
-}
-
-
-/*
- * compatible wrapper
- */
-int snd_ioctl32_compat(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *filp)
-{
-	if (! filp->f_op || ! filp->f_op->ioctl)
-		return -ENOTTY;
-	return filp->f_op->ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
-}
-
-
-/*
- * Controls
- */
-
-struct sndrv_ctl_elem_list32 {
-	u32 offset;
-	u32 space;
-	u32 used;
-	u32 count;
-	u32 pids;
-	unsigned char reserved[50];
-} /* don't set packed attribute here */;
-
-static inline int _snd_ioctl32_ctl_elem_list(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	struct sndrv_ctl_elem_list32 __user *data32;
-	struct sndrv_ctl_elem_list __user *data;
-	compat_caddr_t ptr;
-	int err;
-
-	data32 = compat_ptr(arg);
-	data = compat_alloc_user_space(sizeof(*data));
-
-	/* offset, space, used, count */
-	if (copy_in_user(data, data32, 4 * sizeof(u32)))
-		return -EFAULT;
-	/* pids */
-	if (__get_user(ptr, &data32->pids) ||
-	    __put_user(compat_ptr(ptr), &data->pids))
-		return -EFAULT;
-	err = file->f_op->ioctl(file->f_dentry->d_inode, file, native_ctl, (unsigned long)data);
-	if (err < 0)
-		return err;
-	/* copy the result */
-	if (copy_in_user(data32, data, 4 * sizeof(u32)))
-		return -EFAULT;
-	return 0;
-}
-
-DEFINE_ALSA_IOCTL_ENTRY(ctl_elem_list, ctl_elem_list, SNDRV_CTL_IOCTL_ELEM_LIST);
-
-/*
- * control element info
- * it uses union, so the things are not easy..
- */
-
-struct sndrv_ctl_elem_info32 {
-	struct sndrv_ctl_elem_id id; // the size of struct is same
-	s32 type;
-	u32 access;
-	u32 count;
-	s32 owner;
-	union {
-		struct {
-			s32 min;
-			s32 max;
-			s32 step;
-		} integer;
-		struct {
-			u64 min;
-			u64 max;
-			u64 step;
-		} integer64;
-		struct {
-			u32 items;
-			u32 item;
-			char name[64];
-		} enumerated;
-		unsigned char reserved[128];
-	} value;
-	unsigned char reserved[64];
-} __attribute__((packed));
-
-static inline int _snd_ioctl32_ctl_elem_info(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	struct sndrv_ctl_elem_info __user *data, *src;
-	struct sndrv_ctl_elem_info32 __user *data32, *dst;
-	unsigned int type;
-	int err;
-
-	data32 = compat_ptr(arg);
-	data = compat_alloc_user_space(sizeof(*data));
-
-	/* copy id */
-	if (copy_in_user(&data->id, &data32->id, sizeof(data->id)))
-		return -EFAULT;
-	/* we need to copy the item index.
-	 * hope this doesn't break anything..
-	 */
-	if (copy_in_user(&data->value.enumerated.item,
-			 &data32->value.enumerated.item,
-			 sizeof(data->value.enumerated.item)))
-		return -EFAULT;
-	err = file->f_op->ioctl(file->f_dentry->d_inode, file, native_ctl, (unsigned long)data);
-	if (err < 0)
-		return err;
-	/* restore info to 32bit */
-	/* for COPY_CVT macro */
-	src = data;
-	dst = data32;
-	/* id, type, access, count */
-	if (copy_in_user(&data32->id, &data->id, sizeof(data->id)) ||
-	    copy_in_user(&data32->type, &data->type, 3 * sizeof(u32)))
-		return -EFAULT;
-	COPY_CVT(owner);
-	__get_user(type, &data->type);
-	switch (type) {
-	case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
-	case SNDRV_CTL_ELEM_TYPE_INTEGER:
-		COPY_CVT(value.integer.min);
-		COPY_CVT(value.integer.max);
-		COPY_CVT(value.integer.step);
-		break;
-	case SNDRV_CTL_ELEM_TYPE_INTEGER64:
-		if (copy_in_user(&data32->value.integer64,
-				 &data->value.integer64,
-				 sizeof(data->value.integer64)))
-			return -EFAULT;
-		break;
-	case SNDRV_CTL_ELEM_TYPE_ENUMERATED:
-		if (copy_in_user(&data32->value.enumerated,
-				 &data->value.enumerated,
-				 sizeof(data->value.enumerated)))
-			return -EFAULT;
-		break;
-	default:
-		break;
-	}
-	return 0;
-}
-
-DEFINE_ALSA_IOCTL_ENTRY(ctl_elem_info, ctl_elem_info, SNDRV_CTL_IOCTL_ELEM_INFO);
-
-struct sndrv_ctl_elem_value32 {
-	struct sndrv_ctl_elem_id id;
-	unsigned int indirect;	/* bit-field causes misalignment */
-        union {
-		s32 integer[128];	/* integer and boolean need conversion */
-#ifndef CONFIG_X86_64
-		s64 integer64[64];	/* for alignment */
-#endif
-		unsigned char data[512];	/* others should be compatible */
-        } value;
-        unsigned char reserved[128];	/* not used */
-};
-
-
-/* hmm, it's so hard to retrieve the value type from the control id.. */
-static int get_ctl_type(snd_card_t *card, snd_ctl_elem_id_t *id)
-{
-	snd_kcontrol_t *kctl;
-	snd_ctl_elem_info_t info;
-	int err;
-
-	down_read(&card->controls_rwsem);
-	kctl = snd_ctl_find_id(card, id);
-	if (! kctl) {
-		up_read(&card->controls_rwsem);
-		return -ENXIO;
-	}
-	info.id = *id;
-	err = kctl->info(kctl, &info);
-	up_read(&card->controls_rwsem);
-	if (err >= 0)
-		err = info.type;
-	return err;
-}
-
-extern int snd_major;
-
-static inline int _snd_ioctl32_ctl_elem_value(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	struct sndrv_ctl_elem_value *data;
-	struct sndrv_ctl_elem_value32 __user *data32;
-	snd_ctl_file_t *ctl;
-	int err, i, indirect;
-	int type;
-
-	/* sanity check */
-	if (imajor(file->f_dentry->d_inode) != snd_major ||
-	    SNDRV_MINOR_DEVICE(iminor(file->f_dentry->d_inode)) != SNDRV_MINOR_CONTROL)
-		return -ENOTTY;
-
-	if ((ctl = file->private_data) == NULL)
-		return -ENOTTY;
-
-	data32 = compat_ptr(arg);
-	data = kcalloc(1, sizeof(*data), GFP_KERNEL);
-	if (data == NULL)
-		return -ENOMEM;
-
-	if (copy_from_user(&data->id, &data32->id, sizeof(data->id))) {
-		err = -EFAULT;
-		goto __end;
-	}
-	if (__get_user(indirect, &data32->indirect)) {
-		err = -EFAULT;
-		goto __end;
-	}
-	/* FIXME: indirect access is not supported */
-	if (indirect) {
-		err = -EINVAL;
-		goto __end;
-	}
-	type = get_ctl_type(ctl->card, &data->id);
-	if (type < 0) {
-		err = type;
-		goto __end;
-	}
-
-	switch (type) {
-	case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
-	case SNDRV_CTL_ELEM_TYPE_INTEGER:
-		for (i = 0; i < 128; i++) {
-			int val;
-			if (__get_user(val, &data32->value.integer[i])) {
-				err = -EFAULT;
-				goto __end;
-			}
-			data->value.integer.value[i] = val;
-		}
-		break;
-	case SNDRV_CTL_ELEM_TYPE_INTEGER64:
-	case SNDRV_CTL_ELEM_TYPE_ENUMERATED:
-	case SNDRV_CTL_ELEM_TYPE_BYTES:
-	case SNDRV_CTL_ELEM_TYPE_IEC958:
-		if (__copy_from_user(data->value.bytes.data,
-				     data32->value.data,
-				     sizeof(data32->value.data))) {
-			err = -EFAULT;
-			goto __end;
-		}
-		break;
-	default:
-		printk(KERN_ERR "snd_ioctl32_ctl_elem_value: unknown type %d\n", type);
-		err = -EINVAL;
-		goto __end;
-	}
-
-	if (native_ctl == SNDRV_CTL_IOCTL_ELEM_READ)
-		err = snd_ctl_elem_read(ctl->card, data);
-	else
-		err = snd_ctl_elem_write(ctl->card, ctl, data);
-	if (err < 0)
-		goto __end;
-	/* restore info to 32bit */
-	switch (type) {
-	case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
-	case SNDRV_CTL_ELEM_TYPE_INTEGER:
-		for (i = 0; i < 128; i++) {
-			int val;
-			val = data->value.integer.value[i];
-			if (__put_user(val, &data32->value.integer[i])) {
-				err = -EFAULT;
-				goto __end;
-			}
-		}
-		break;
-	default:
-		if (__copy_to_user(data32->value.data,
-				   data->value.bytes.data,
-				   sizeof(data32->value.data))) {
-			err = -EFAULT;
-			goto __end;
-		}
-		break;
-		break;
-	}
-	err = 0;
-      __end:
-	kfree(data);
-	return err;
-}
-
-DEFINE_ALSA_IOCTL_ENTRY(ctl_elem_read, ctl_elem_value, SNDRV_CTL_IOCTL_ELEM_READ);
-DEFINE_ALSA_IOCTL_ENTRY(ctl_elem_write, ctl_elem_value, SNDRV_CTL_IOCTL_ELEM_WRITE);
-
-/*
- */
-
-#define AP(x) snd_ioctl32_##x
-
-enum {
-	SNDRV_CTL_IOCTL_ELEM_LIST32 = _IOWR('U', 0x10, struct sndrv_ctl_elem_list32),
-	SNDRV_CTL_IOCTL_ELEM_INFO32 = _IOWR('U', 0x11, struct sndrv_ctl_elem_info32),
-	SNDRV_CTL_IOCTL_ELEM_READ32 = _IOWR('U', 0x12, struct sndrv_ctl_elem_value32),
-	SNDRV_CTL_IOCTL_ELEM_WRITE32 = _IOWR('U', 0x13, struct sndrv_ctl_elem_value32),
-};
-
-static struct ioctl32_mapper control_mappers[] = {
-	/* controls (without rawmidi, hwdep, timer releated ones) */
-	MAP_COMPAT(SNDRV_CTL_IOCTL_PVERSION),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_CARD_INFO),
-	{ SNDRV_CTL_IOCTL_ELEM_LIST32, AP(ctl_elem_list) },
-	{ SNDRV_CTL_IOCTL_ELEM_INFO32, AP(ctl_elem_info) },
-	{ SNDRV_CTL_IOCTL_ELEM_READ32, AP(ctl_elem_read) },
-	{ SNDRV_CTL_IOCTL_ELEM_WRITE32, AP(ctl_elem_write) },
-	MAP_COMPAT(SNDRV_CTL_IOCTL_ELEM_LOCK),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_ELEM_UNLOCK),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_HWDEP_INFO),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_PCM_INFO),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_POWER),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_POWER_STATE),
-	{ 0 }
-};
-
-
-/*
- */
-
-extern struct ioctl32_mapper pcm_mappers[];
-extern struct ioctl32_mapper rawmidi_mappers[];
-extern struct ioctl32_mapper timer_mappers[];
-extern struct ioctl32_mapper hwdep_mappers[];
-#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
-extern struct ioctl32_mapper seq_mappers[];
-#endif
-
-static void snd_ioctl32_done(void)
-{
-#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
-	snd_ioctl32_unregister(seq_mappers);
-#endif
-	snd_ioctl32_unregister(hwdep_mappers);
-	snd_ioctl32_unregister(timer_mappers);
-	snd_ioctl32_unregister(rawmidi_mappers);
-	snd_ioctl32_unregister(pcm_mappers);
-	snd_ioctl32_unregister(control_mappers);
-}
-
-static int __init snd_ioctl32_init(void)
-{
-	snd_ioctl32_register(control_mappers);
-	snd_ioctl32_register(pcm_mappers);
-	snd_ioctl32_register(rawmidi_mappers);
-	snd_ioctl32_register(timer_mappers);
-	snd_ioctl32_register(hwdep_mappers);
-#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
-	snd_ioctl32_register(seq_mappers);
-#endif
-	return 0;
-}
-
-module_init(snd_ioctl32_init)
-module_exit(snd_ioctl32_done)

sound/core/ioctl32/ioctl32.h

-/*
- *   32bit -> 64bit ioctl helpers
- *   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 registers the converters from 32-bit ioctls to 64-bit ones.
- * The converter assumes that a 32-bit user-pointer can be casted by compat_ptr(x)
- * macro to a valid 64-bit pointer which is accessible via copy_from/to_user.
- *
- */
-
-#ifndef __ALSA_IOCTL32_H
-#define __ALSA_IOCTL32_H
-
-#include <linux/compat.h>
-
-#define COPY(x) \
-	do { \
-		if (copy_in_user(&dst->x, &src->x, sizeof(dst->x))) \
-			return -EFAULT; \
-	} while (0)
-
-#define COPY_ARRAY(x) \
-	do { \
-		if (copy_in_user(dst->x, src->x, sizeof(dst->x))) \
-			return -EFAULT; \
-	} while (0)
-
-#define COPY_CVT(x) \
-	do { \
-		__typeof__(src->x) __val_tmp; \
-		if (get_user(__val_tmp, &src->x) || \
-		    put_user(__val_tmp, &dst->x))\
-			return -EFAULT; \
-	} while (0)
-
-#define convert_from_32(type, dstp, srcp)\
-{\
-	struct sndrv_##type __user *dst = dstp;\
-	struct sndrv_##type##32 __user *src = srcp;\
-	CVT_##sndrv_##type();\
-}
-
-#define convert_to_32(type, dstp, srcp)\
-{\
-	struct sndrv_##type __user *src = srcp;\
-	struct sndrv_##type##32 __user *dst = dstp;\
-	CVT_##sndrv_##type();\
-}
-
-
-#define DEFINE_ALSA_IOCTL(type) \
-static inline int _snd_ioctl32_##type(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)\
-{\
-	struct sndrv_##type##32 __user *data32;\
-	struct sndrv_##type __user *data;\
-	int err;\
-	data32 = compat_ptr(arg);\
-	data = compat_alloc_user_space(sizeof(*data));\
-	convert_from_32(type, data, data32);\
-	err = file->f_op->ioctl(file->f_dentry->d_inode, file, native_ctl, (unsigned long)data);\
-	if (err < 0) \
-		return err;\
-	if (native_ctl & (_IOC_READ << _IOC_DIRSHIFT)) {\
-		convert_to_32(type, data32, data);\
-	}\
-	return 0;\
-}
-
-#define DEFINE_ALSA_IOCTL_ENTRY(name,type,native_ctl) \
-static int snd_ioctl32_##name(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file) {\
-	return _snd_ioctl32_##type(fd, cmd, arg, file, native_ctl);\
-}
-
-#define MAP_COMPAT(ctl) { ctl, snd_ioctl32_compat }
-
-struct ioctl32_mapper {
-	unsigned int cmd;
-	int (*handler)(unsigned int, unsigned int, unsigned long, struct file * filp);
-	int registered;
-};
-
-int snd_ioctl32_compat(unsigned int, unsigned int, unsigned long, struct file *);
-
-int snd_ioctl32_register(struct ioctl32_mapper *mappers);
-void snd_ioctl32_unregister(struct ioctl32_mapper *mappers);
-
-#endif /* __ALSA_IOCTL32_H */

sound/core/ioctl32/pcm32.c

-/*
- *   32bit -> 64bit ioctl wrapper for PCM 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
- *
- */
-
-#include <sound/driver.h>
-#include <linux/time.h>
-#include <linux/slab.h>
-#include <linux/compat.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/minors.h>
-#include "ioctl32.h"
-
-
-/* wrapper for sndrv_pcm_[us]frames */
-struct sndrv_pcm_sframes_str {
-	sndrv_pcm_sframes_t val;
-};
-struct sndrv_pcm_sframes_str32 {
-	s32 val;
-};
-struct sndrv_pcm_uframes_str {
-	sndrv_pcm_uframes_t val;
-};
-struct sndrv_pcm_uframes_str32 {
-	u32 val;
-};
-
-#define CVT_sndrv_pcm_sframes_str() { COPY_CVT(val); }
-#define CVT_sndrv_pcm_uframes_str() { COPY_CVT(val); }
-
-
-struct sndrv_pcm_hw_params32 {
-	u32 flags;
-	struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; /* this must be identical */
-	struct sndrv_mask mres[5];	/* reserved masks */
-	struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
-	struct sndrv_interval ires[9];	/* reserved intervals */
-	u32 rmask;
-	u32 cmask;
-	u32 info;
-	u32 msbits;
-	u32 rate_num;
-	u32 rate_den;
-	u32 fifo_size;
-	unsigned char reserved[64];
-} __attribute__((packed));
-
-struct sndrv_pcm_sw_params32 {
-	s32 tstamp_mode;
-	u32 period_step;
-	u32 sleep_min;
-	u32 avail_min;
-	u32 xfer_align;
-	u32 start_threshold;
-	u32 stop_threshold;
-	u32 silence_threshold;
-	u32 silence_size;
-	u32 boundary;
-	unsigned char reserved[64];
-} __attribute__((packed));
-
-#define CVT_sndrv_pcm_sw_params()\
-{\
-	COPY(tstamp_mode);\
-	COPY(period_step);\
-	COPY(sleep_min);\
-	COPY_CVT(avail_min);\
-	COPY_CVT(xfer_align);\
-	COPY_CVT(start_threshold);\
-	COPY_CVT(stop_threshold);\
-	COPY_CVT(silence_threshold);\
-	COPY_CVT(silence_size);\
-	COPY_CVT(boundary);\
-}
-
-struct sndrv_pcm_channel_info32 {
-	u32 channel;
-	u32 offset;
-	u32 first;
-	u32 step;
-} __attribute__((packed));
-
-#define CVT_sndrv_pcm_channel_info()\
-{\
-	COPY(channel);\
-	COPY_CVT(offset);\
-	COPY(first);\
-	COPY(step);\
-}
-
-struct sndrv_pcm_status32 {
-	s32 state;
-	struct compat_timespec trigger_tstamp;
-	struct compat_timespec tstamp;
-	u32 appl_ptr;
-	u32 hw_ptr;
-	s32 delay;
-	u32 avail;
-	u32 avail_max;
-	u32 overrange;
-	s32 suspended_state;
-	unsigned char reserved[60];
-} __attribute__((packed));
-
-#define CVT_sndrv_pcm_status()\
-{\
-	COPY(state);\
-	COPY_CVT(trigger_tstamp.tv_sec);\
-	COPY_CVT(trigger_tstamp.tv_nsec);\
-	COPY_CVT(tstamp.tv_sec);\
-	COPY_CVT(tstamp.tv_nsec);\
-	COPY_CVT(appl_ptr);\
-	COPY_CVT(hw_ptr);\
-	COPY_CVT(delay);\
-	COPY_CVT(avail);\
-	COPY_CVT(avail_max);\
-	COPY_CVT(overrange);\
-	COPY(suspended_state);\
-}
-
-DEFINE_ALSA_IOCTL(pcm_uframes_str);
-DEFINE_ALSA_IOCTL(pcm_sframes_str);
-DEFINE_ALSA_IOCTL(pcm_sw_params);
-DEFINE_ALSA_IOCTL(pcm_channel_info);
-DEFINE_ALSA_IOCTL(pcm_status);
-
-/* sanity device check */
-extern int snd_major;
-static int sanity_check_pcm(struct file *file)
-{
-	unsigned short minor;
-	if (imajor(file->f_dentry->d_inode) != snd_major)
-		return -ENOTTY;
-	minor = iminor(file->f_dentry->d_inode);
-	if (minor >= 256 || 
-	    minor % SNDRV_MINOR_DEVICES < SNDRV_MINOR_PCM_PLAYBACK)
-		return -ENOTTY;
-	return 0;
-}
-
-/* recalcuate the boundary within 32bit */
-static void recalculate_boundary(snd_pcm_runtime_t *runtime)
-{
-	if (! runtime->buffer_size)
-		return;
-	runtime->boundary = runtime->buffer_size;
-	while (runtime->boundary * 2 <= 0x7fffffffUL - runtime->buffer_size)
-		runtime->boundary *= 2;
-}
-
-/* both for HW_PARAMS and HW_REFINE */
-static int _snd_ioctl32_pcm_hw_params(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	struct sndrv_pcm_hw_params32 __user *data32;
-	struct sndrv_pcm_hw_params *data;
-	snd_pcm_file_t *pcm_file;
-	snd_pcm_substream_t *substream;
-	snd_pcm_runtime_t *runtime;
-	int err;
-
-	if (sanity_check_pcm(file))
-		return -ENOTTY;
-	if (! (pcm_file = file->private_data))
-		return -ENOTTY;
-	if (! (substream = pcm_file->substream))
-		return -ENOTTY;
-	if (! (runtime = substream->runtime))
-		return -ENOTTY;
-
-	data32 = compat_ptr(arg);
-	data = kmalloc(sizeof(*data), GFP_KERNEL);
-	if (data == NULL)
-		return -ENOMEM;
-	if (copy_from_user(data, data32, sizeof(*data32))) {
-		err = -EFAULT;
-		goto error;
-	}
-	if (native_ctl == SNDRV_PCM_IOCTL_HW_REFINE)
-		err = snd_pcm_hw_refine(substream, data);
-	else
-		err = snd_pcm_hw_params(substream, data);
-	if (err < 0)
-		goto error;
-	if (copy_to_user(data32, data, sizeof(*data32)) ||
-	    __put_user((u32)data->fifo_size, &data32->fifo_size)) {
-		err = -EFAULT;
-		goto error;
-	}
-
-	if (native_ctl == SNDRV_PCM_IOCTL_HW_PARAMS)
-		recalculate_boundary(runtime);
- error:
-	kfree(data);
-	return err;
-}
-
-
-/*
- */
-struct sndrv_xferi32 {
-	s32 result;
-	u32 buf;
-	u32 frames;
-} __attribute__((packed));
-
-static int _snd_ioctl32_xferi(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	struct sndrv_xferi32 data32;
-	struct sndrv_xferi __user *data;
-	snd_pcm_sframes_t result;
-	int err;
-
-	if (copy_from_user(&data32, (void __user *)arg, sizeof(data32)))
-		return -EFAULT;
-	data = compat_alloc_user_space(sizeof(*data));
-	if (put_user((snd_pcm_sframes_t)data32.result, &data->result) ||
-	    __put_user(compat_ptr(data32.buf), &data->buf) ||
-	    __put_user((snd_pcm_uframes_t)data32.frames, &data->frames))
-		return -EFAULT;
-	err = file->f_op->ioctl(file->f_dentry->d_inode, file, native_ctl, (unsigned long)data);
-	if (err < 0)
-		return err;
-	/* copy the result */
-	if (__get_user(result, &data->result))
-		return -EFAULT;
-	data32.result = result;
-	if (copy_to_user((void __user *)arg, &data32, sizeof(data32)))
-		return -EFAULT;
-	return 0;
-}
-
-
-/* snd_xfern needs remapping of bufs */
-struct sndrv_xfern32 {
-	s32 result;
-	u32 bufs;  /* this is void **; */
-	u32 frames;
-} __attribute__((packed));
-
-/*
- * xfern ioctl nees to copy (up to) 128 pointers on stack.
- * although we may pass the copied pointers through f_op->ioctl, but the ioctl
- * handler there expands again the same 128 pointers on stack, so it is better
- * to handle the function (calling pcm_readv/writev) directly in this handler.
- */
-static int _snd_ioctl32_xfern(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file, unsigned int native_ctl)
-{
-	snd_pcm_file_t *pcm_file;
-	snd_pcm_substream_t *substream;
-	struct sndrv_xfern32 __user *srcptr = compat_ptr(arg);
-	struct sndrv_xfern32 data32;
-	void __user **bufs;
-	int err = 0, ch, i;
-	u32 __user *bufptr;
-
-	if (sanity_check_pcm(file))
-		return -ENOTTY;
-	if (! (pcm_file = file->private_data))
-		return -ENOTTY;
-	if (! (substream = pcm_file->substream))
-		return -ENOTTY;
-	if (! substream->runtime)
-		return -ENOTTY;
-
-	/* check validty of the command */
-	switch (native_ctl) {
-	case SNDRV_PCM_IOCTL_WRITEN_FRAMES:
-		if (substream->stream  != SNDRV_PCM_STREAM_PLAYBACK)
-			return -EINVAL;
-		if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN)
-			return -EBADFD;
-		break;
-	case SNDRV_PCM_IOCTL_READN_FRAMES:
-		if (substream->stream  != SNDRV_PCM_STREAM_CAPTURE)
-			return -EINVAL;
-		break;
-	}
-	if ((ch = substream->runtime->channels) > 128)
-		return -EINVAL;
-	if (copy_from_user(&data32, (void __user *)arg, sizeof(data32)))
-		return -EFAULT;
-	bufptr = compat_ptr(data32.bufs);
-	bufs = kmalloc(sizeof(void __user *) * ch, GFP_KERNEL);
-	if (bufs == NULL)
-		return -ENOMEM;
-	for (i = 0; i < ch; i++) {
-		u32 ptr;
-		if (get_user(ptr, bufptr)) {
-			kfree(bufs);
-			return -EFAULT;
-		}
-		bufs[ch] = compat_ptr(ptr);
-		bufptr++;
-	}
-	switch (native_ctl) {
-	case SNDRV_PCM_IOCTL_WRITEN_FRAMES:
-		err = snd_pcm_lib_writev(substream, bufs, data32.frames);
-		break;
-	case SNDRV_PCM_IOCTL_READN_FRAMES:
-		err = snd_pcm_lib_readv(substream, bufs, data32.frames);
-		break;
-	}
-	if (err >= 0) {
-		if (put_user(err, &srcptr->result))
-			err = -EFAULT;
-	}
-	kfree(bufs);
-	return err;
-}
-
-
-struct sndrv_pcm_mmap_status32 {
-	s32 state;
-	s32 pad1;
-	u32 hw_ptr;
-	struct compat_timespec tstamp;
-	s32 suspended_state;
-} __attribute__((packed));
-
-struct sndrv_pcm_mmap_control32 {
-	u32 appl_ptr;
-	u32 avail_min;
-} __attribute__((packed));
-
-struct sndrv_pcm_sync_ptr32 {
-	u32 flags;
-	union {
-		struct sndrv_pcm_mmap_status32 status;
-		unsigned char reserved[64];
-	} s;
-	union {
-		struct sndrv_pcm_mmap_control32 control;
-		unsigned char reserved[64];
-	} c;
-} __attribute__((packed));
-
-#define CVT_sndrv_pcm_sync_ptr()\
-{\
-	COPY(flags);\
-	COPY(s.status.state);\
-	COPY(s.status.pad1);\
-	COPY_CVT(s.status.hw_ptr);\
-	COPY_CVT(s.status.tstamp.tv_sec);\
-	COPY_CVT(s.status.tstamp.tv_nsec);\
-	COPY(s.status.suspended_state);\
-	COPY_CVT(c.control.appl_ptr);\
-	COPY_CVT(c.control.avail_min);\
-}
-
-DEFINE_ALSA_IOCTL(pcm_sync_ptr);
-
-/*
- */
-
-DEFINE_ALSA_IOCTL_ENTRY(pcm_hw_refine, pcm_hw_params, SNDRV_PCM_IOCTL_HW_REFINE);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_hw_params, pcm_hw_params, SNDRV_PCM_IOCTL_HW_PARAMS);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_sw_params, pcm_sw_params, SNDRV_PCM_IOCTL_SW_PARAMS);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_status, pcm_status, SNDRV_PCM_IOCTL_STATUS);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_delay, pcm_sframes_str, SNDRV_PCM_IOCTL_DELAY);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_channel_info, pcm_channel_info, SNDRV_PCM_IOCTL_CHANNEL_INFO);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_rewind, pcm_uframes_str, SNDRV_PCM_IOCTL_REWIND);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_forward, pcm_uframes_str, SNDRV_PCM_IOCTL_FORWARD);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_readi, xferi, SNDRV_PCM_IOCTL_READI_FRAMES);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_writei, xferi, SNDRV_PCM_IOCTL_WRITEI_FRAMES);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_readn, xfern, SNDRV_PCM_IOCTL_READN_FRAMES);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_writen, xfern, SNDRV_PCM_IOCTL_WRITEN_FRAMES);
-DEFINE_ALSA_IOCTL_ENTRY(pcm_sync_ptr, pcm_sync_ptr, SNDRV_PCM_IOCTL_SYNC_PTR);
-
-
-/*
- * When PCM is used on 32bit mode, we need to disable
- * mmap of PCM status/control records because of the size
- * incompatibility.
- * 
- * Since INFO ioctl is always called at first, we mark the
- * mmap-disabling in this ioctl wrapper.
- */
-static int snd_pcm_info_ioctl32(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *filp)
-{
-	snd_pcm_file_t *pcm_file;
-	snd_pcm_substream_t *substream;
-	if (! filp->f_op || ! filp->f_op->ioctl)
-		return -ENOTTY;
-	pcm_file = filp->private_data;
-	if (! pcm_file)
-		return -ENOTTY;
-	substream = pcm_file->substream;
-	if (! substream)
-		return -ENOTTY;
-	substream->no_mmap_ctrl = 1;
-	return filp->f_op->ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
-}
-
-/*
- */
-#define AP(x) snd_ioctl32_##x
-
-enum {
-	SNDRV_PCM_IOCTL_HW_REFINE32 = _IOWR('A', 0x10, struct sndrv_pcm_hw_params32),
-	SNDRV_PCM_IOCTL_HW_PARAMS32 = _IOWR('A', 0x11, struct sndrv_pcm_hw_params32),
-	SNDRV_PCM_IOCTL_SW_PARAMS32 = _IOWR('A', 0x13, struct sndrv_pcm_sw_params32),
-	SNDRV_PCM_IOCTL_STATUS32 = _IOR('A', 0x20, struct sndrv_pcm_status32),
-	SNDRV_PCM_IOCTL_DELAY32 = _IOR('A', 0x21, s32),
-	SNDRV_PCM_IOCTL_CHANNEL_INFO32 = _IOR('A', 0x32, struct sndrv_pcm_channel_info32),
-	SNDRV_PCM_IOCTL_REWIND32 = _IOW('A', 0x46, u32),
-	SNDRV_PCM_IOCTL_FORWARD32 = _IOW('A', 0x49, u32),
-	SNDRV_PCM_IOCTL_WRITEI_FRAMES32 = _IOW('A', 0x50, struct sndrv_xferi32),
-	SNDRV_PCM_IOCTL_READI_FRAMES32 = _IOR('A', 0x51, struct sndrv_xferi32),
-	SNDRV_PCM_IOCTL_WRITEN_FRAMES32 = _IOW('A', 0x52, struct sndrv_xfern32),
-	SNDRV_PCM_IOCTL_READN_FRAMES32 = _IOR('A', 0x53, struct sndrv_xfern32),
-	SNDRV_PCM_IOCTL_SYNC_PTR32 = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr32),
-
-};
-
-struct ioctl32_mapper pcm_mappers[] = {
-	MAP_COMPAT(SNDRV_PCM_IOCTL_PVERSION),
-	/* MAP_COMPAT(SNDRV_PCM_IOCTL_INFO), */
-	{ SNDRV_PCM_IOCTL_INFO, snd_pcm_info_ioctl32 },
-	MAP_COMPAT(SNDRV_PCM_IOCTL_TSTAMP),
-	{ SNDRV_PCM_IOCTL_HW_REFINE32, AP(pcm_hw_refine) },
-	{ SNDRV_PCM_IOCTL_HW_PARAMS32, AP(pcm_hw_params) },
-	MAP_COMPAT(SNDRV_PCM_IOCTL_HW_FREE),
-	{ SNDRV_PCM_IOCTL_SW_PARAMS32, AP(pcm_sw_params) },
-	{ SNDRV_PCM_IOCTL_STATUS32, AP(pcm_status) },
-	{ SNDRV_PCM_IOCTL_DELAY32, AP(pcm_delay) },
-	MAP_COMPAT(SNDRV_PCM_IOCTL_HWSYNC),
-	{ SNDRV_PCM_IOCTL_SYNC_PTR32, AP(pcm_sync_ptr) },
-	{ SNDRV_PCM_IOCTL_CHANNEL_INFO32, AP(pcm_channel_info) },
-	MAP_COMPAT(SNDRV_PCM_IOCTL_PREPARE),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_RESET),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_START),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_DROP),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_DRAIN),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_PAUSE),
-	{ SNDRV_PCM_IOCTL_REWIND32, AP(pcm_rewind) },
-	MAP_COMPAT(SNDRV_PCM_IOCTL_RESUME),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_XRUN),
-	{ SNDRV_PCM_IOCTL_FORWARD32, AP(pcm_forward) },
-	{ SNDRV_PCM_IOCTL_WRITEI_FRAMES32, AP(pcm_writei) },
-	{ SNDRV_PCM_IOCTL_READI_FRAMES32, AP(pcm_readi) },
-	{ SNDRV_PCM_IOCTL_WRITEN_FRAMES32, AP(pcm_writen) },
-	{ SNDRV_PCM_IOCTL_READN_FRAMES32, AP(pcm_readn) },
-	MAP_COMPAT(SNDRV_PCM_IOCTL_LINK),
-	MAP_COMPAT(SNDRV_PCM_IOCTL_UNLINK),
-
-	{ 0 },
-};

sound/core/ioctl32/rawmidi32.c

-/*
- *   32bit -> 64bit ioctl wrapper for raw MIDI 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
- *
- */
-
-#include <sound/driver.h>
-#include <linux/time.h>
-#include <linux/fs.h>
-#include <linux/compat.h>
-#include <sound/core.h>
-#include <sound/rawmidi.h>
-#include <asm/uaccess.h>
-#include "ioctl32.h"
-
-struct sndrv_rawmidi_params32 {
-	s32 stream;
-	u32 buffer_size;
-	u32 avail_min;
-	unsigned int no_active_sensing; /* avoid bit-field */
-	unsigned char reserved[16];
-} __attribute__((packed));
-
-#define CVT_sndrv_rawmidi_params()\
-{\
-	COPY(stream);\
-	COPY_CVT(buffer_size);\
-	COPY_CVT(avail_min);\
-	if (copy_in_user(((size_t __user *)&dst->avail_min + 1),\
-			 ((size_t __user *)&src->avail_min + 1), 4)) \
-		return -EFAULT;\
-}
-
-struct sndrv_rawmidi_status32 {
-	s32 stream;
-	struct compat_timespec tstamp;
-	u32 avail;
-	u32 xruns;
-	unsigned char reserved[16];
-} __attribute__((packed));
-
-#define CVT_sndrv_rawmidi_status()\
-{\
-	COPY(stream);\
-	COPY_CVT(tstamp.tv_sec);\
-	COPY_CVT(tstamp.tv_nsec);\
-	COPY_CVT(avail);\
-	COPY_CVT(xruns);\
-}
-
-DEFINE_ALSA_IOCTL(rawmidi_params);
-DEFINE_ALSA_IOCTL(rawmidi_status);
-
-DEFINE_ALSA_IOCTL_ENTRY(rawmidi_params, rawmidi_params, SNDRV_RAWMIDI_IOCTL_PARAMS);
-DEFINE_ALSA_IOCTL_ENTRY(rawmidi_status, rawmidi_status, SNDRV_RAWMIDI_IOCTL_STATUS);
-
-#define AP(x) snd_ioctl32_##x
-
-enum {
-	SNDRV_RAWMIDI_IOCTL_PARAMS32 = _IOWR('W', 0x10, struct sndrv_rawmidi_params32),
-	SNDRV_RAWMIDI_IOCTL_STATUS32 = _IOWR('W', 0x20, struct sndrv_rawmidi_status32),
-};
-
-struct ioctl32_mapper rawmidi_mappers[] = {
-	MAP_COMPAT(SNDRV_RAWMIDI_IOCTL_PVERSION),
-	MAP_COMPAT(SNDRV_RAWMIDI_IOCTL_INFO),
-	{ SNDRV_RAWMIDI_IOCTL_PARAMS32, AP(rawmidi_params) },
-	{ SNDRV_RAWMIDI_IOCTL_STATUS32, AP(rawmidi_status) },
-	MAP_COMPAT(SNDRV_RAWMIDI_IOCTL_DROP),
-	MAP_COMPAT(SNDRV_RAWMIDI_IOCTL_DRAIN),
-
-	MAP_COMPAT(SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_RAWMIDI_INFO),
-	MAP_COMPAT(SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE),
-
-	{ 0 },
-};

sound/core/ioctl32/seq32.c

-/*
- *   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
- *
- */
-
-#include <sound/driver.h>
-#include <linux/time.h>
-#include <linux/fs.h>
-#include <sound/core.h>
-#include <sound/timer.h>
-#include <asm/uaccess.h>
-#include <sound/asequencer.h>
-#include "ioctl32.h"
-
-struct sndrv_seq_port_info32 {
-	struct sndrv_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 */
-};
-
-#define CVT_sndrv_seq_port_info()\
-{\
-	COPY(addr);\
-	COPY_ARRAY(name);\
-	COPY(capability);\
-	COPY(type);\
-	COPY(midi_channels);\
-	COPY(midi_voices);\
-	COPY(synth_voices);\
-	COPY(read_use);\
-	COPY(write_use);\
-	COPY(flags);\
-	COPY(time_queue);\
-}
-
-DEFINE_ALSA_IOCTL(seq_port_info);
-DEFINE_ALSA_IOCTL_ENTRY(create_port, seq_port_info, SNDRV_SEQ_IOCTL_CREATE_PORT);
-DEFINE_ALSA_IOCTL_ENTRY(delete_port, seq_port_info, SNDRV_SEQ_IOCTL_DELETE_PORT);
-DEFINE_ALSA_IOCTL_ENTRY(get_port_info, seq_port_info, SNDRV_SEQ_IOCTL_GET_PORT_INFO);
-DEFINE_ALSA_IOCTL_ENTRY(set_port_info, seq_port_info, SNDRV_SEQ_IOCTL_SET_PORT_INFO);
-DEFINE_ALSA_IOCTL_ENTRY(query_next_port, seq_port_info, SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT);
-
-/*
- */
-#define AP(x) snd_ioctl32_##x
-
-enum {
-  SNDRV_SEQ_IOCTL_CREATE_PORT32 = _IOWR('S', 0x20, struct sndrv_seq_port_info32),
-  SNDRV_SEQ_IOCTL_DELETE_PORT32 = _IOW ('S', 0x21, struct sndrv_seq_port_info32),
-  SNDRV_SEQ_IOCTL_GET_PORT_INFO32 = _IOWR('S', 0x22, struct sndrv_seq_port_info32),
-  SNDRV_SEQ_IOCTL_SET_PORT_INFO32 = _IOW ('S', 0x23, struct sndrv_seq_port_info32),
-  SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT32 = _IOWR('S', 0x52, struct sndrv_seq_port_info32),
-};
-
-struct ioctl32_mapper seq_mappers[] = {
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_PVERSION),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_CLIENT_ID),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SYSTEM_INFO),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_CLIENT_INFO),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SET_CLIENT_INFO),
-	{ SNDRV_SEQ_IOCTL_CREATE_PORT32, AP(create_port) },
-	{ SNDRV_SEQ_IOCTL_DELETE_PORT32, AP(delete_port) },
-	{ SNDRV_SEQ_IOCTL_GET_PORT_INFO32, AP(get_port_info) },
-	{ SNDRV_SEQ_IOCTL_SET_PORT_INFO32, AP(set_port_info) },
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_CREATE_QUEUE),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_DELETE_QUEUE),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_QUEUE_INFO),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SET_QUEUE_INFO),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_CLIENT_POOL),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_SET_CLIENT_POOL),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_REMOVE_EVENTS),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_QUERY_SUBS),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION),
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT),
-	{ SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT32, AP(query_next_port) },
-	MAP_COMPAT(SNDRV_SEQ_IOCTL_RUNNING_MODE),
-	{ 0 },
-};

sound/core/ioctl32/timer32.c

-/*
- *   32bit -> 64bit ioctl wrapper for timer 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
- *
- */
-
-#include <sound/driver.h>
-#include <linux/time.h>
-#include <linux/fs.h>
-#include <linux/compat.h>
-#include <sound/core.h>
-#include <sound/timer.h>
-#include <asm/uaccess.h>
-#include "ioctl32.h"
-
-struct sndrv_timer_info32 {
-	u32 flags;
-	s32 card;
-	unsigned char id[64];
-	unsigned char name[80];
-	u32 reserved0;
-	u32 resolution;
-	unsigned char reserved[64];
-};
-
-#define CVT_sndrv_timer_info()\
-{\
-	COPY(flags);\
-	COPY(card);\
-	COPY_ARRAY(id);\
-	COPY_ARRAY(name);\
-	COPY_CVT(resolution);\
-}
-
-struct sndrv_timer_status32 {
-	struct compat_timespec tstamp;
-	u32 resolution;
-	u32 lost;
-	u32 overrun;
-	u32 queue;
-	unsigned char reserved[64];
-};
-
-#define CVT_sndrv_timer_status()\
-{\
-	COPY_CVT(tstamp.tv_sec);\
-	COPY_CVT(tstamp.tv_nsec);\
-	COPY(resolution);\
-	COPY(lost);\
-	COPY(overrun);\
-	COPY(queue);\
-}
-
-DEFINE_ALSA_IOCTL(timer_info);
-DEFINE_ALSA_IOCTL(timer_status);
-
-DEFINE_ALSA_IOCTL_ENTRY(timer_info, timer_info, SNDRV_TIMER_IOCTL_INFO);
-DEFINE_ALSA_IOCTL_ENTRY(timer_status, timer_status, SNDRV_TIMER_IOCTL_STATUS);
-
-/*
- */
-
-#define AP(x) snd_ioctl32_##x
-
-enum {
-	SNDRV_TIMER_IOCTL_INFO32 = _IOR('T', 0x11, struct sndrv_timer_info32),
-	SNDRV_TIMER_IOCTL_STATUS32 = _IOW('T', 0x14, struct sndrv_timer_status32),
-};
-
-struct ioctl32_mapper timer_mappers[] = {
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_PVERSION),
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_NEXT_DEVICE),
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_SELECT),
-	{ SNDRV_TIMER_IOCTL_INFO32, AP(timer_info) },
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_PARAMS),
-	{ SNDRV_TIMER_IOCTL_STATUS32, AP(timer_status) },
-#if 0
-	/* ** FIXME **
-	 * The following four entries are disabled because they conflict
-	 * with the TCOC* definitions.
-	 * Unfortunately, the current ioctl32 wrapper uses a single
-	 * hash table for all devices.  Once when the wrapper is fixed
-	 * with the table based on devices, they'll be back again.
-	 */
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_START),
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_STOP),
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_CONTINUE),
-	MAP_COMPAT(SNDRV_TIMER_IOCTL_PAUSE),
-#endif
-	{ 0 },
-};