diff options
Diffstat (limited to 'sys/contrib/openzfs/lib/libspl/include')
6 files changed, 128 insertions, 1 deletions
diff --git a/sys/contrib/openzfs/lib/libspl/include/Makefile.am b/sys/contrib/openzfs/lib/libspl/include/Makefile.am index 8c286142f298..21f0c70db9e7 100644 --- a/sys/contrib/openzfs/lib/libspl/include/Makefile.am +++ b/sys/contrib/openzfs/lib/libspl/include/Makefile.am @@ -45,6 +45,7 @@ libspl_sys_HEADERS = \ %D%/sys/list_impl.h \ %D%/sys/mhd.h \ %D%/sys/mkdev.h \ + %D%/sys/mod.h \ %D%/sys/policy.h \ %D%/sys/poll.h \ %D%/sys/priv.h \ @@ -58,6 +59,7 @@ libspl_sys_HEADERS = \ %D%/sys/time.h \ %D%/sys/trace_spl.h \ %D%/sys/trace_zfs.h \ + %D%/sys/tunables.h \ %D%/sys/types.h \ %D%/sys/types32.h \ %D%/sys/uio.h \ diff --git a/sys/contrib/openzfs/lib/libspl/include/os/linux/sys/stat.h b/sys/contrib/openzfs/lib/libspl/include/os/linux/sys/stat.h index 488554f4e844..a605af962a6d 100644 --- a/sys/contrib/openzfs/lib/libspl/include/os/linux/sys/stat.h +++ b/sys/contrib/openzfs/lib/libspl/include/os/linux/sys/stat.h @@ -31,6 +31,11 @@ #include <sys/mount.h> /* for BLKGETSIZE64 */ +#ifdef HAVE_STATX +#include <fcntl.h> +#include <linux/stat.h> +#endif + /* * Emulate Solaris' behavior of returning the block device size in fstat64(). */ diff --git a/sys/contrib/openzfs/lib/libspl/include/sys/debug.h b/sys/contrib/openzfs/lib/libspl/include/sys/debug.h index cced309bd1bb..02f33a68b75b 100644 --- a/sys/contrib/openzfs/lib/libspl/include/sys/debug.h +++ b/sys/contrib/openzfs/lib/libspl/include/sys/debug.h @@ -38,4 +38,8 @@ #define __maybe_unused __attribute__((unused)) #endif +#ifndef __must_check +#define __must_check __attribute__((warn_unused_result)) +#endif + #endif diff --git a/sys/contrib/openzfs/lib/libspl/include/sys/mod.h b/sys/contrib/openzfs/lib/libspl/include/sys/mod.h new file mode 100644 index 000000000000..ad19b6607a42 --- /dev/null +++ b/sys/contrib/openzfs/lib/libspl/include/sys/mod.h @@ -0,0 +1,56 @@ +// 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) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, 2018 by Delphix. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright (c) 2025, Rob Norris <robn@despairlabs.com> + */ + +#ifndef _SYS_MOD_H +#define _SYS_MOD_H + +#include <sys/tunables.h> + +#define ZFS_MODULE_PARAM(scope, prefix, name, type, perm, desc) \ + static const zfs_tunable_t _zfs_tunable_##prefix##name = { \ + .zt_name = #prefix#name, \ + .zt_varp = &prefix##name, \ + .zt_varsz = sizeof (prefix##name), \ + .zt_type = ZFS_TUNABLE_TYPE_##type, \ + .zt_perm = ZFS_TUNABLE_PERM_##perm, \ + .zt_desc = desc \ + }; \ + static const zfs_tunable_t * \ + __zfs_tunable_##prefix##name \ + __attribute__((__section__("zfs_tunables"))) \ + __attribute__((__used__)) \ + = &_zfs_tunable_##prefix##name; + +#define ZFS_MODULE_PARAM_ARGS void +#define ZFS_MODULE_PARAM_CALL(scope_prefix, name_prefix, name, setfunc, \ + getfunc, perm, desc) + +#define EXPORT_SYMBOL(x) + +#endif diff --git a/sys/contrib/openzfs/lib/libspl/include/sys/tunables.h b/sys/contrib/openzfs/lib/libspl/include/sys/tunables.h new file mode 100644 index 000000000000..5d9bb3d71a4a --- /dev/null +++ b/sys/contrib/openzfs/lib/libspl/include/sys/tunables.h @@ -0,0 +1,60 @@ +// 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) 2025, Rob Norris <robn@despairlabs.com> + */ + +#ifndef _SYS_TUNABLES_H +#define _SYS_TUNABLES_H + +typedef enum { + ZFS_TUNABLE_TYPE_INT, + ZFS_TUNABLE_TYPE_UINT, + ZFS_TUNABLE_TYPE_ULONG, + ZFS_TUNABLE_TYPE_U64, + ZFS_TUNABLE_TYPE_STRING, +} zfs_tunable_type_t; + +typedef enum { + ZFS_TUNABLE_PERM_ZMOD_RW, + ZFS_TUNABLE_PERM_ZMOD_RD, +} zfs_tunable_perm_t; + +typedef struct zfs_tunable { + const char *zt_name; + void *zt_varp; + size_t zt_varsz; + zfs_tunable_type_t zt_type; + zfs_tunable_perm_t zt_perm; + const char *zt_desc; +} zfs_tunable_t; + +int zfs_tunable_set(const zfs_tunable_t *tunable, const char *val); +int zfs_tunable_get(const zfs_tunable_t *tunable, char *val, size_t valsz); + +const zfs_tunable_t *zfs_tunable_lookup(const char *name); + +typedef int (*zfs_tunable_iter_t)(const zfs_tunable_t *tunable, void *arg); +void zfs_tunable_iter(zfs_tunable_iter_t cb, void *arg); + +#endif diff --git a/sys/contrib/openzfs/lib/libspl/include/umem.h b/sys/contrib/openzfs/lib/libspl/include/umem.h index 6945aae9f3ce..3e44610e4e21 100644 --- a/sys/contrib/openzfs/lib/libspl/include/umem.h +++ b/sys/contrib/openzfs/lib/libspl/include/umem.h @@ -102,7 +102,7 @@ static inline void * umem_alloc_aligned(size_t size, size_t align, int flags) { void *ptr = NULL; - int rc = EINVAL; + int rc; do { rc = posix_memalign(&ptr, align, size); |