diff options
Diffstat (limited to 'module/nvpair')
| -rw-r--r-- | module/nvpair/Makefile.in | 1 | ||||
| -rw-r--r-- | module/nvpair/fnvpair.c | 566 |
2 files changed, 567 insertions, 0 deletions
diff --git a/module/nvpair/Makefile.in b/module/nvpair/Makefile.in index b53381f6a..211fc726d 100644 --- a/module/nvpair/Makefile.in +++ b/module/nvpair/Makefile.in @@ -5,5 +5,6 @@ EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ obj-$(CONFIG_ZFS) := $(MODULE).o $(MODULE)-objs += @top_srcdir@/module/nvpair/nvpair.o +$(MODULE)-objs += @top_srcdir@/module/nvpair/fnvpair.o $(MODULE)-objs += @top_srcdir@/module/nvpair/nvpair_alloc_spl.o $(MODULE)-objs += @top_srcdir@/module/nvpair/nvpair_alloc_fixed.o diff --git a/module/nvpair/fnvpair.c b/module/nvpair/fnvpair.c new file mode 100644 index 000000000..fa28afc75 --- /dev/null +++ b/module/nvpair/fnvpair.c @@ -0,0 +1,566 @@ +/* + * 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 http://www.opensolaris.org/os/licensing. + * 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) 2012 by Delphix. All rights reserved. + */ + +#include <sys/nvpair.h> +#include <sys/kmem.h> +#include <sys/debug.h> +#ifndef _KERNEL +#include <stdlib.h> +#endif + +/* + * "Force" nvlist wrapper. + * + * These functions wrap the nvlist_* functions with assertions that assume + * the operation is successful. This allows the caller's code to be much + * more readable, especially for the fnvlist_lookup_* and fnvpair_value_* + * functions, which can return the requested value (rather than filling in + * a pointer). + * + * These functions use NV_UNIQUE_NAME, encoding NV_ENCODE_NATIVE, and allocate + * with KM_SLEEP. + * + * More wrappers should be added as needed -- for example + * nvlist_lookup_*_array and nvpair_value_*_array. + */ + +nvlist_t * +fnvlist_alloc(void) +{ + nvlist_t *nvl; + VERIFY3U(nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP), ==, 0); + return (nvl); +} + +void +fnvlist_free(nvlist_t *nvl) +{ + nvlist_free(nvl); +} + +size_t +fnvlist_size(nvlist_t *nvl) +{ + size_t size; + VERIFY3U(nvlist_size(nvl, &size, NV_ENCODE_NATIVE), ==, 0); + return (size); +} + +/* + * Returns allocated buffer of size *sizep. Caller must free the buffer with + * fnvlist_pack_free(). + */ +char * +fnvlist_pack(nvlist_t *nvl, size_t *sizep) +{ + char *packed = 0; + VERIFY3U(nvlist_pack(nvl, &packed, sizep, NV_ENCODE_NATIVE, + KM_SLEEP), ==, 0); + return (packed); +} + +/*ARGSUSED*/ +void +fnvlist_pack_free(char *pack, size_t size) +{ +#ifdef _KERNEL + kmem_free(pack, size); +#else + free(pack); +#endif +} + +nvlist_t * +fnvlist_unpack(char *buf, size_t buflen) +{ + nvlist_t *rv; + VERIFY3U(nvlist_unpack(buf, buflen, &rv, KM_SLEEP), ==, 0); + return (rv); +} + +nvlist_t * +fnvlist_dup(nvlist_t *nvl) +{ + nvlist_t *rv; + VERIFY3U(nvlist_dup(nvl, &rv, KM_SLEEP), ==, 0); + return (rv); +} + +void +fnvlist_merge(nvlist_t *dst, nvlist_t *src) +{ + VERIFY3U(nvlist_merge(dst, src, KM_SLEEP), ==, 0); +} + +void +fnvlist_add_boolean(nvlist_t *nvl, const char *name) +{ + VERIFY3U(nvlist_add_boolean(nvl, name), ==, 0); +} + +void +fnvlist_add_boolean_value(nvlist_t *nvl, const char *name, boolean_t val) +{ + VERIFY3U(nvlist_add_boolean_value(nvl, name, val), ==, 0); +} + +void +fnvlist_add_byte(nvlist_t *nvl, const char *name, uchar_t val) +{ + VERIFY3U(nvlist_add_byte(nvl, name, val), ==, 0); +} + +void +fnvlist_add_int8(nvlist_t *nvl, const char *name, int8_t val) +{ + VERIFY3U(nvlist_add_int8(nvl, name, val), ==, 0); +} + +void +fnvlist_add_uint8(nvlist_t *nvl, const char *name, uint8_t val) +{ + VERIFY3U(nvlist_add_uint8(nvl, name, val), ==, 0); +} + +void +fnvlist_add_int16(nvlist_t *nvl, const char *name, int16_t val) +{ + VERIFY3U(nvlist_add_int16(nvl, name, val), ==, 0); +} + +void +fnvlist_add_uint16(nvlist_t *nvl, const char *name, uint16_t val) +{ + VERIFY3U(nvlist_add_uint16(nvl, name, val), ==, 0); +} + +void +fnvlist_add_int32(nvlist_t *nvl, const char *name, int32_t val) +{ + VERIFY3U(nvlist_add_int32(nvl, name, val), ==, 0); +} + +void +fnvlist_add_uint32(nvlist_t *nvl, const char *name, uint32_t val) +{ + VERIFY3U(nvlist_add_uint32(nvl, name, val), ==, 0); +} + +void +fnvlist_add_int64(nvlist_t *nvl, const char *name, int64_t val) +{ + VERIFY3U(nvlist_add_int64(nvl, name, val), ==, 0); +} + +void +fnvlist_add_uint64(nvlist_t *nvl, const char *name, uint64_t val) +{ + VERIFY3U(nvlist_add_uint64(nvl, name, val), ==, 0); +} + +void +fnvlist_add_string(nvlist_t *nvl, const char *name, const char *val) +{ + VERIFY3U(nvlist_add_string(nvl, name, val), ==, 0); +} + +void +fnvlist_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val) +{ + VERIFY3U(nvlist_add_nvlist(nvl, name, val), ==, 0); +} + +void +fnvlist_add_nvpair(nvlist_t *nvl, nvpair_t *pair) +{ + VERIFY3U(nvlist_add_nvpair(nvl, pair), ==, 0); +} + +void +fnvlist_add_boolean_array(nvlist_t *nvl, const char *name, + boolean_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_boolean_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_byte_array(nvlist_t *nvl, const char *name, uchar_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_byte_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_int8_array(nvlist_t *nvl, const char *name, int8_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_int8_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_uint8_array(nvlist_t *nvl, const char *name, uint8_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_uint8_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_int16_array(nvlist_t *nvl, const char *name, int16_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_int16_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_uint16_array(nvlist_t *nvl, const char *name, + uint16_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_uint16_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_int32_array(nvlist_t *nvl, const char *name, int32_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_int32_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_uint32_array(nvlist_t *nvl, const char *name, + uint32_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_uint32_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_int64_array(nvlist_t *nvl, const char *name, int64_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_int64_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_uint64_array(nvlist_t *nvl, const char *name, + uint64_t *val, uint_t n) +{ + VERIFY3U(nvlist_add_uint64_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_string_array(nvlist_t *nvl, const char *name, + char * const *val, uint_t n) +{ + VERIFY3U(nvlist_add_string_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_add_nvlist_array(nvlist_t *nvl, const char *name, + nvlist_t **val, uint_t n) +{ + VERIFY3U(nvlist_add_nvlist_array(nvl, name, val, n), ==, 0); +} + +void +fnvlist_remove(nvlist_t *nvl, const char *name) +{ + VERIFY3U(nvlist_remove_all(nvl, name), ==, 0); +} + +void +fnvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *pair) +{ + VERIFY3U(nvlist_remove_nvpair(nvl, pair), ==, 0); +} + +nvpair_t * +fnvlist_lookup_nvpair(nvlist_t *nvl, const char *name) +{ + nvpair_t *rv; + VERIFY3U(nvlist_lookup_nvpair(nvl, name, &rv), ==, 0); + return (rv); +} + +/* returns B_TRUE if the entry exists */ +boolean_t +fnvlist_lookup_boolean(nvlist_t *nvl, const char *name) +{ + return (nvlist_lookup_boolean(nvl, name) == 0); +} + +boolean_t +fnvlist_lookup_boolean_value(nvlist_t *nvl, const char *name) +{ + boolean_t rv; + VERIFY3U(nvlist_lookup_boolean_value(nvl, name, &rv), ==, 0); + return (rv); +} + +uchar_t +fnvlist_lookup_byte(nvlist_t *nvl, const char *name) +{ + uchar_t rv; + VERIFY3U(nvlist_lookup_byte(nvl, name, &rv), ==, 0); + return (rv); +} + +int8_t +fnvlist_lookup_int8(nvlist_t *nvl, const char *name) +{ + int8_t rv; + VERIFY3U(nvlist_lookup_int8(nvl, name, &rv), ==, 0); + return (rv); +} + +int16_t +fnvlist_lookup_int16(nvlist_t *nvl, const char *name) +{ + int16_t rv; + VERIFY3U(nvlist_lookup_int16(nvl, name, &rv), ==, 0); + return (rv); +} + +int32_t +fnvlist_lookup_int32(nvlist_t *nvl, const char *name) +{ + int32_t rv; + VERIFY3U(nvlist_lookup_int32(nvl, name, &rv), ==, 0); + return (rv); +} + +int64_t +fnvlist_lookup_int64(nvlist_t *nvl, const char *name) +{ + int64_t rv; + VERIFY3U(nvlist_lookup_int64(nvl, name, &rv), ==, 0); + return (rv); +} + +uint8_t +fnvlist_lookup_uint8(nvlist_t *nvl, const char *name) +{ + uint8_t rv; + VERIFY3U(nvlist_lookup_uint8(nvl, name, &rv), ==, 0); + return (rv); +} + +uint16_t +fnvlist_lookup_uint16(nvlist_t *nvl, const char *name) +{ + uint16_t rv; + VERIFY3U(nvlist_lookup_uint16(nvl, name, &rv), ==, 0); + return (rv); +} + +uint32_t +fnvlist_lookup_uint32(nvlist_t *nvl, const char *name) +{ + uint32_t rv; + VERIFY3U(nvlist_lookup_uint32(nvl, name, &rv), ==, 0); + return (rv); +} + +uint64_t +fnvlist_lookup_uint64(nvlist_t *nvl, const char *name) +{ + uint64_t rv; + VERIFY3U(nvlist_lookup_uint64(nvl, name, &rv), ==, 0); + return (rv); +} + +char * +fnvlist_lookup_string(nvlist_t *nvl, const char *name) +{ + char *rv; + VERIFY3U(nvlist_lookup_string(nvl, name, &rv), ==, 0); + return (rv); +} + +nvlist_t * +fnvlist_lookup_nvlist(nvlist_t *nvl, const char *name) +{ + nvlist_t *rv; + VERIFY3U(nvlist_lookup_nvlist(nvl, name, &rv), ==, 0); + return (rv); +} + +boolean_t +fnvpair_value_boolean_value(nvpair_t *nvp) +{ + boolean_t rv; + VERIFY3U(nvpair_value_boolean_value(nvp, &rv), ==, 0); + return (rv); +} + +uchar_t +fnvpair_value_byte(nvpair_t *nvp) +{ + uchar_t rv; + VERIFY3U(nvpair_value_byte(nvp, &rv), ==, 0); + return (rv); +} + +int8_t +fnvpair_value_int8(nvpair_t *nvp) +{ + int8_t rv; + VERIFY3U(nvpair_value_int8(nvp, &rv), ==, 0); + return (rv); +} + +int16_t +fnvpair_value_int16(nvpair_t *nvp) +{ + int16_t rv; + VERIFY3U(nvpair_value_int16(nvp, &rv), ==, 0); + return (rv); +} + +int32_t +fnvpair_value_int32(nvpair_t *nvp) +{ + int32_t rv; + VERIFY3U(nvpair_value_int32(nvp, &rv), ==, 0); + return (rv); +} + +int64_t +fnvpair_value_int64(nvpair_t *nvp) +{ + int64_t rv; + VERIFY3U(nvpair_value_int64(nvp, &rv), ==, 0); + return (rv); +} + +uint8_t +fnvpair_value_uint8(nvpair_t *nvp) +{ + uint8_t rv; + VERIFY3U(nvpair_value_uint8(nvp, &rv), ==, 0); + return (rv); +} + +uint16_t +fnvpair_value_uint16(nvpair_t *nvp) +{ + uint16_t rv; + VERIFY3U(nvpair_value_uint16(nvp, &rv), ==, 0); + return (rv); +} + +uint32_t +fnvpair_value_uint32(nvpair_t *nvp) +{ + uint32_t rv; + VERIFY3U(nvpair_value_uint32(nvp, &rv), ==, 0); + return (rv); +} + +uint64_t +fnvpair_value_uint64(nvpair_t *nvp) +{ + uint64_t rv; + VERIFY3U(nvpair_value_uint64(nvp, &rv), ==, 0); + return (rv); +} + +char * +fnvpair_value_string(nvpair_t *nvp) +{ + char *rv; + VERIFY3U(nvpair_value_string(nvp, &rv), ==, 0); + return (rv); +} + +nvlist_t * +fnvpair_value_nvlist(nvpair_t *nvp) +{ + nvlist_t *rv; + VERIFY3U(nvpair_value_nvlist(nvp, &rv), ==, 0); + return (rv); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) + +EXPORT_SYMBOL(fnvlist_alloc); +EXPORT_SYMBOL(fnvlist_free); +EXPORT_SYMBOL(fnvlist_size); +EXPORT_SYMBOL(fnvlist_pack); +EXPORT_SYMBOL(fnvlist_unpack); +EXPORT_SYMBOL(fnvlist_dup); +EXPORT_SYMBOL(fnvlist_merge); + +EXPORT_SYMBOL(fnvlist_add_nvpair); +EXPORT_SYMBOL(fnvlist_add_boolean); +EXPORT_SYMBOL(fnvlist_add_boolean_value); +EXPORT_SYMBOL(fnvlist_add_byte); +EXPORT_SYMBOL(fnvlist_add_int8); +EXPORT_SYMBOL(fnvlist_add_uint8); +EXPORT_SYMBOL(fnvlist_add_int16); +EXPORT_SYMBOL(fnvlist_add_uint16); +EXPORT_SYMBOL(fnvlist_add_int32); +EXPORT_SYMBOL(fnvlist_add_uint32); +EXPORT_SYMBOL(fnvlist_add_int64); +EXPORT_SYMBOL(fnvlist_add_uint64); +EXPORT_SYMBOL(fnvlist_add_string); +EXPORT_SYMBOL(fnvlist_add_nvlist); +EXPORT_SYMBOL(fnvlist_add_boolean_array); +EXPORT_SYMBOL(fnvlist_add_byte_array); +EXPORT_SYMBOL(fnvlist_add_int8_array); +EXPORT_SYMBOL(fnvlist_add_uint8_array); +EXPORT_SYMBOL(fnvlist_add_int16_array); +EXPORT_SYMBOL(fnvlist_add_uint16_array); +EXPORT_SYMBOL(fnvlist_add_int32_array); +EXPORT_SYMBOL(fnvlist_add_uint32_array); +EXPORT_SYMBOL(fnvlist_add_int64_array); +EXPORT_SYMBOL(fnvlist_add_uint64_array); +EXPORT_SYMBOL(fnvlist_add_string_array); +EXPORT_SYMBOL(fnvlist_add_nvlist_array); + +EXPORT_SYMBOL(fnvlist_remove); +EXPORT_SYMBOL(fnvlist_remove_nvpair); + +EXPORT_SYMBOL(fnvlist_lookup_nvpair); +EXPORT_SYMBOL(fnvlist_lookup_boolean); +EXPORT_SYMBOL(fnvlist_lookup_boolean_value); +EXPORT_SYMBOL(fnvlist_lookup_byte); +EXPORT_SYMBOL(fnvlist_lookup_int8); +EXPORT_SYMBOL(fnvlist_lookup_uint8); +EXPORT_SYMBOL(fnvlist_lookup_int16); +EXPORT_SYMBOL(fnvlist_lookup_uint16); +EXPORT_SYMBOL(fnvlist_lookup_int32); +EXPORT_SYMBOL(fnvlist_lookup_uint32); +EXPORT_SYMBOL(fnvlist_lookup_int64); +EXPORT_SYMBOL(fnvlist_lookup_uint64); +EXPORT_SYMBOL(fnvlist_lookup_string); +EXPORT_SYMBOL(fnvlist_lookup_nvlist); + +EXPORT_SYMBOL(fnvpair_value_boolean_value); +EXPORT_SYMBOL(fnvpair_value_byte); +EXPORT_SYMBOL(fnvpair_value_int8); +EXPORT_SYMBOL(fnvpair_value_uint8); +EXPORT_SYMBOL(fnvpair_value_int16); +EXPORT_SYMBOL(fnvpair_value_uint16); +EXPORT_SYMBOL(fnvpair_value_int32); +EXPORT_SYMBOL(fnvpair_value_uint32); +EXPORT_SYMBOL(fnvpair_value_int64); +EXPORT_SYMBOL(fnvpair_value_uint64); +EXPORT_SYMBOL(fnvpair_value_string); +EXPORT_SYMBOL(fnvpair_value_nvlist); + +#endif |