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// SPDX-License-Identifier: CDDL-1.0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2024, Klara Inc.
*/
#ifndef _ZFS_VALSTR_H
#define _ZFS_VALSTR_H extern __attribute__((visibility("default")))
#include <sys/fs/zfs.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* These macros create function prototypes for pretty-printing or stringifying
* certain kinds of numeric types.
*
* _ZFS_VALSTR_DECLARE_BITFIELD(name) creates:
*
* size_t zfs_valstr_<name>_bits(uint64_t bits, char *out, size_t outlen);
* expands single char for each set bit, and space for each clear bit
*
* size_t zfs_valstr_<name>_pairs(uint64_t bits, char *out, size_t outlen);
* expands two-char mnemonic for each bit set in `bits`, separated by `|`
*
* size_t zfs_valstr_<name>(uint64_t bits, char *out, size_t outlen);
* expands full name of each bit set in `bits`, separated by spaces
*
* _ZFS_VALSTR_DECLARE_ENUM(name) creates:
*
* size_t zfs_valstr_<name>(int v, char *out, size_t outlen);
* expands full name of enum value
*
* Each _ZFS_VALSTR_DECLARE_xxx needs a corresponding _VALSTR_xxx_IMPL string
* table in vfs_valstr.c.
*/
#define _ZFS_VALSTR_DECLARE_BITFIELD(name) \
_ZFS_VALSTR_H size_t zfs_valstr_ ## name ## _bits( \
uint64_t bits, char *out, size_t outlen); \
_ZFS_VALSTR_H size_t zfs_valstr_ ## name ## _pairs( \
uint64_t bits, char *out, size_t outlen); \
_ZFS_VALSTR_H size_t zfs_valstr_ ## name( \
uint64_t bits, char *out, size_t outlen); \
#define _ZFS_VALSTR_DECLARE_ENUM(name) \
_ZFS_VALSTR_H size_t zfs_valstr_ ## name( \
int v, char *out, size_t outlen); \
_ZFS_VALSTR_DECLARE_BITFIELD(zio_flag)
_ZFS_VALSTR_DECLARE_BITFIELD(zio_stage)
_ZFS_VALSTR_DECLARE_ENUM(zio_priority)
#undef _ZFS_VALSTR_DECLARE_BITFIELD
#undef _ZFS_VALSTR_DECLARE_ENUM
#ifdef __cplusplus
}
#endif
#endif /* _ZFS_VALSTR_H */
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