Differential D26884 Diff 80437 sys/sys/sndstat.h

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sys/sys/sndstat.h

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				/*-
				* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				lwhsuUnsubmitted Done Inline Actions Can have a copyright header here. Check style(9) lwhsu: Can have a copyright header here. Check style(9)
				*
				* Copyright (c) 2020 The FreeBSD Foundation
				*
				* This software was developed by Ka Ho Ng
				* under sponsorship from the FreeBSD Foundation.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*
				* $FreeBSD$
				*/

				#ifndef _SYS_SNDSTAT_H_
				#define _SYS_SNDSTAT_H_

				#include <sys/types.h>
				#ifndef _IOWR
				#include <sys/ioccom.h>
				#endif /* !_IOWR */

				struct sndstat_nvlbuf_arg {
				size_t nbytes; /* [IN/OUT] buffer size/number of bytes filled */
				void buf; / [OUT] buffer holding a packed nvlist */
				};

				/*
				* Common labels
				*/
				#define SNDSTAT_LABEL_DSPS "dsps"
				#define SNDSTAT_LABEL_FROM_USER "from_user"
				#define SNDSTAT_LABEL_PCHAN "pchan"
				#define SNDSTAT_LABEL_RCHAN "rchan"
				#define SNDSTAT_LABEL_PMINRATE "pminrate"
				#define SNDSTAT_LABEL_PMAXRATE "pmaxrate"
				#define SNDSTAT_LABEL_RMINRATE "rminrate"
				#define SNDSTAT_LABEL_RMAXRATE "rmaxrate"
				#define SNDSTAT_LABEL_PFMTS "pfmts"
				#define SNDSTAT_LABEL_RFMTS "rfmts"
				#define SNDSTAT_LABEL_NAMEUNIT "nameunit"
				#define SNDSTAT_LABEL_DEVNODE "devnode"
				#define SNDSTAT_LABEL_DESC "desc"
				#define SNDSTAT_LABEL_PROVIDER "provider"
				#define SNDSTAT_LABEL_PROVIDER_INFO "provider_info"

				/*
				* sound(4)-specific labels
				*/
				#define SNDSTAT_LABEL_SOUND4_PROVIDER "sound(4)"
				#define SNDSTAT_LABEL_SOUND4_UNIT "unit"
				#define SNDSTAT_LABEL_SOUND4_BITPERFECT "bitperfect"
				#define SNDSTAT_LABEL_SOUND4_PVCHAN "pvchan"
				#define SNDSTAT_LABEL_SOUND4_RVCHAN "rvchan"

				#define SNDSTAT_REFRESH_DEVS _IO('D', 100)
				#define SNDSTAT_GET_DEVS _IOWR('D', 101, struct sndstat_nvlbuf_arg)
				#define SNDSTAT_ADD_USER_DEVS _IOWR('D', 102, struct sndstat_nvlbuf_arg)
				#define SNDSTAT_FLUSH_USER_DEVS _IO('D', 103)

				#ifdef _KERNEL
				#ifdef COMPAT_FREEBSD32

				struct sndstat_nvlbuf_arg32 {
				uint32_t nbytes;
				uint32_t buf;
				};

				#define SNDSTAT_GET_DEVS32 \
				_IOC_NEWTYPE(SNDSTAT_GET_DEVS, struct sndstat_nvlbuf_arg32)
				#define SNDSTAT_ADD_USER_DEVS32 \
				_IOC_NEWTYPE(SNDSTAT_ADD_USER_DEVS, struct sndstat_nvlbuf_arg32)

				#endif
				#endif

				#endif /* !_SYS_SNDSTAT_H_ */