opensolaris.c revision 194118 
1/*-
2 * Copyright 2007 John Birrell <jb@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/cddl/compat/opensolaris/kern/opensolaris.c 194118 2009-06-13 15:39:12Z jamie $
26 *
27 */
28
29#include <sys/cdefs.h>
30#include <sys/types.h>
31#include <sys/conf.h>
32#include <sys/cpuvar.h>
33#include <sys/errno.h>
34#include <sys/jail.h>
35#include <sys/kernel.h>
36#include <sys/misc.h>
37#include <sys/module.h>
38#include <sys/mutex.h>
39
40cpu_core_t	cpu_core[MAXCPU];
41kmutex_t	cpu_lock;
42solaris_cpu_t	solaris_cpu[MAXCPU];
43
44/*
45 *  OpenSolaris subsystem initialisation.
46 */
47static void
48opensolaris_load(void *dummy)
49{
50	int i;
51
52	printf("This module (opensolaris) contains code covered by the\n");
53	printf("Common Development and Distribution License (CDDL)\n");
54	printf("see http://opensolaris.org/os/licensing/opensolaris_license/\n");
55
56	/*
57	 * "Enable" all CPUs even though they may not exist just so
58	 * that the asserts work. On FreeBSD, if a CPU exists, it is
59	 * enabled.
60	 */
61	for (i = 0; i < MAXCPU; i++) {
62		solaris_cpu[i].cpuid = i;
63		solaris_cpu[i].cpu_flags &= CPU_ENABLE;
64	}
65
66	mutex_init(&cpu_lock, "OpenSolaris CPU lock", MUTEX_DEFAULT, NULL);
67}
68
69SYSINIT(opensolaris_register, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_load, NULL);
70
71static void
72opensolaris_unload(void)
73{
74	mutex_destroy(&cpu_lock);
75}
76
77SYSUNINIT(opensolaris_unregister, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_unload, NULL);
78
79static int
80opensolaris_modevent(module_t mod __unused, int type, void *data __unused)
81{
82	int error = 0;
83
84	switch (type) {
85	case MOD_LOAD:
86		utsname.nodename = prison0.pr_hostname;
87		break;
88
89	case MOD_UNLOAD:
90		break;
91
92	case MOD_SHUTDOWN:
93		break;
94
95	default:
96		error = EOPNOTSUPP;
97		break;
98
99	}
100	return (error);
101}
102
103DEV_MODULE(opensolaris, opensolaris_modevent, NULL);
104MODULE_VERSION(opensolaris, 1);
105