1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2012, 2018 by Delphix. All rights reserved. 25 * Copyright (c) 2016 Actifio, Inc. All rights reserved. 26 * Copyright (c) 2025, Klara, Inc. 27 * Copyright (c) 2025, Rob Norris <robn@despairlabs.com> 28 */ 29 30 #include <libspl.h> 31 #include <assert.h> 32 #include <unistd.h> 33 #include <sys/misc.h> 34 #include <sys/systm.h> 35 #include <sys/utsname.h> 36 #include "libspl_impl.h" 37 38 static uint64_t hw_physmem = 0; 39 static struct utsname hw_utsname = {}; 40 41 uint64_t 42 libspl_physmem(void) 43 { 44 return (hw_physmem); 45 } 46 47 utsname_t * 48 utsname(void) 49 { 50 return (&hw_utsname); 51 } 52 53 void 54 libspl_init(void) 55 { 56 hw_physmem = sysconf(_SC_PHYS_PAGES); 57 58 VERIFY0(uname(&hw_utsname)); 59 60 random_init(); 61 } 62 63 void 64 libspl_fini(void) 65 { 66 random_fini(); 67 } 68