1*8ac904ceSMartin Matuska // SPDX-License-Identifier: CDDL-1.0
2*8ac904ceSMartin Matuska /*
3*8ac904ceSMartin Matuska * CDDL HEADER START
4*8ac904ceSMartin Matuska *
5*8ac904ceSMartin Matuska * The contents of this file are subject to the terms of the
6*8ac904ceSMartin Matuska * Common Development and Distribution License (the "License").
7*8ac904ceSMartin Matuska * You may not use this file except in compliance with the License.
8*8ac904ceSMartin Matuska *
9*8ac904ceSMartin Matuska * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*8ac904ceSMartin Matuska * or https://opensource.org/licenses/CDDL-1.0.
11*8ac904ceSMartin Matuska * See the License for the specific language governing permissions
12*8ac904ceSMartin Matuska * and limitations under the License.
13*8ac904ceSMartin Matuska *
14*8ac904ceSMartin Matuska * When distributing Covered Code, include this CDDL HEADER in each
15*8ac904ceSMartin Matuska * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*8ac904ceSMartin Matuska * If applicable, add the following below this CDDL HEADER, with the
17*8ac904ceSMartin Matuska * fields enclosed by brackets "[]" replaced with your own identifying
18*8ac904ceSMartin Matuska * information: Portions Copyright [yyyy] [name of copyright owner]
19*8ac904ceSMartin Matuska *
20*8ac904ceSMartin Matuska * CDDL HEADER END
21*8ac904ceSMartin Matuska */
22*8ac904ceSMartin Matuska /*
23*8ac904ceSMartin Matuska * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24*8ac904ceSMartin Matuska * Copyright (c) 2012, 2018 by Delphix. All rights reserved.
25*8ac904ceSMartin Matuska * Copyright (c) 2016 Actifio, Inc. All rights reserved.
26*8ac904ceSMartin Matuska * Copyright (c) 2025, Klara, Inc.
27*8ac904ceSMartin Matuska * Copyright (c) 2025, Rob Norris <robn@despairlabs.com>
28*8ac904ceSMartin Matuska */
29*8ac904ceSMartin Matuska
30*8ac904ceSMartin Matuska #include <libspl.h>
31*8ac904ceSMartin Matuska #include <assert.h>
32*8ac904ceSMartin Matuska #include <unistd.h>
33*8ac904ceSMartin Matuska #include <sys/misc.h>
34*8ac904ceSMartin Matuska #include <sys/systm.h>
35*8ac904ceSMartin Matuska #include <sys/utsname.h>
36*8ac904ceSMartin Matuska #include "libspl_impl.h"
37*8ac904ceSMartin Matuska
38*8ac904ceSMartin Matuska static uint64_t hw_physmem = 0;
39*8ac904ceSMartin Matuska static struct utsname hw_utsname = {};
40*8ac904ceSMartin Matuska
41*8ac904ceSMartin Matuska uint64_t
libspl_physmem(void)42*8ac904ceSMartin Matuska libspl_physmem(void)
43*8ac904ceSMartin Matuska {
44*8ac904ceSMartin Matuska return (hw_physmem);
45*8ac904ceSMartin Matuska }
46*8ac904ceSMartin Matuska
47*8ac904ceSMartin Matuska utsname_t *
utsname(void)48*8ac904ceSMartin Matuska utsname(void)
49*8ac904ceSMartin Matuska {
50*8ac904ceSMartin Matuska return (&hw_utsname);
51*8ac904ceSMartin Matuska }
52*8ac904ceSMartin Matuska
53*8ac904ceSMartin Matuska void
libspl_init(void)54*8ac904ceSMartin Matuska libspl_init(void)
55*8ac904ceSMartin Matuska {
56*8ac904ceSMartin Matuska hw_physmem = sysconf(_SC_PHYS_PAGES);
57*8ac904ceSMartin Matuska
58*8ac904ceSMartin Matuska VERIFY0(uname(&hw_utsname));
59*8ac904ceSMartin Matuska
60*8ac904ceSMartin Matuska random_init();
61*8ac904ceSMartin Matuska }
62*8ac904ceSMartin Matuska
63*8ac904ceSMartin Matuska void
libspl_fini(void)64*8ac904ceSMartin Matuska libspl_fini(void)
65*8ac904ceSMartin Matuska {
66*8ac904ceSMartin Matuska random_fini();
67*8ac904ceSMartin Matuska }
68