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nv: Add <sys/_nv.h> header for nvlist_t declaration

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This can be useful for headers that wish to use nvlist_t pointers in a
structure or function argument without pulling in all of the headers
from <sys/nv.h>.

Reviewed by:	imp
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D48229
This commit is contained in:
John Baldwin 2024-12-30 13:51:48 -05:00
parent 10fa3f2518
commit 8a50aa0901
5 changed files with 49 additions and 21 deletions
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45
sys/sys/_nv.h Normal file
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@ -0,0 +1,45 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2009-2013 The FreeBSD Foundation
*
* This software was developed by Pawel Jakub Dawidek 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 AUTHORS 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 AUTHORS 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.
*/
#ifndef __NV_H_
#define __NV_H_
#ifndef _KERNEL
#include <sys/nv_namespace.h>
#endif
#ifndef _NVLIST_T_DECLARED
#define _NVLIST_T_DECLARED
struct nvlist;
typedef struct nvlist nvlist_t;
#endif
#endif /* !__NV_H_ */

8
sys/sys/cnv.h
View file

@ -30,6 +30,7 @@
#define _CNV_H_
#include <sys/cdefs.h>
#include <sys/_nv.h>
#ifndef _KERNEL
#include <stdarg.h>
@ -39,13 +40,6 @@
#include <sys/nv_namespace.h>
#endif
#ifndef _NVLIST_T_DECLARED
#define _NVLIST_T_DECLARED
struct nvlist;
typedef struct nvlist nvlist_t;
#endif
__BEGIN_DECLS
/*

8
sys/sys/dnv.h
View file

@ -32,6 +32,7 @@
#define _DNV_H_
#include <sys/cdefs.h>
#include <sys/_nv.h>
#ifndef _KERNEL
#include <stdarg.h>
@ -41,13 +42,6 @@
#include <sys/nv_namespace.h>
#endif
#ifndef _NVLIST_T_DECLARED
#define _NVLIST_T_DECLARED
struct nvlist;
typedef struct nvlist nvlist_t;
#endif
__BEGIN_DECLS
/*

8
sys/sys/nv.h
View file

@ -34,6 +34,7 @@
#define _NV_H_
#include <sys/cdefs.h>
#include <sys/_nv.h>
#ifndef _KERNEL
#include <stdarg.h>
@ -43,13 +44,6 @@
#include <sys/nv_namespace.h>
#endif
#ifndef _NVLIST_T_DECLARED
#define _NVLIST_T_DECLARED
struct nvlist;
typedef struct nvlist nvlist_t;
#endif
#define NV_NAME_MAX 2048
#define NV_TYPE_NONE 0

1
tools/build/Makefile
View file

@ -275,6 +275,7 @@ MSDOSFSINCS+= ${SRCTOP}/sys/fs/msdosfs/msdosfsmount.h
DISKINCS+= ${SRCTOP}/sys/sys/disk/bsd.h
# Needed to build config (since it uses libnv)
SYSINCS+= ${SRCTOP}/sys/sys/_nv.h
SYSINCS+= ${SRCTOP}/sys/sys/nv.h ${SRCTOP}/sys/sys/cnv.h \
${SRCTOP}/sys/sys/dnv.h ${SRCTOP}/sys/sys/nv_namespace.h