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 * $FreeBSD$ 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 40 cpu_core_t cpu_core[MAXCPU]; 41 kmutex_t cpu_lock; 42 solaris_cpu_t solaris_cpu[MAXCPU]; 43 int nsec_per_tick; 44 45 /* 46 * OpenSolaris subsystem initialisation. 47 */ 48 static void 49 opensolaris_load(void *dummy) 50 { 51 int i; 52 53 /* 54 * "Enable" all CPUs even though they may not exist just so 55 * that the asserts work. On FreeBSD, if a CPU exists, it is 56 * enabled. 57 */ 58 for (i = 0; i < MAXCPU; i++) { 59 solaris_cpu[i].cpuid = i; 60 solaris_cpu[i].cpu_flags &= CPU_ENABLE; 61 } 62 63 mutex_init(&cpu_lock, "OpenSolaris CPU lock", MUTEX_DEFAULT, NULL); 64 65 nsec_per_tick = NANOSEC / hz; 66 } 67 68 SYSINIT(opensolaris_register, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_load, NULL); 69 70 static void 71 opensolaris_unload(void) 72 { 73 mutex_destroy(&cpu_lock); 74 } 75 76 SYSUNINIT(opensolaris_unregister, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_unload, NULL); 77 78 static int 79 opensolaris_modevent(module_t mod __unused, int type, void *data __unused) 80 { 81 int error = 0; 82 83 switch (type) { 84 case MOD_LOAD: 85 utsname.nodename = prison0.pr_hostname; 86 break; 87 88 case MOD_UNLOAD: 89 break; 90 91 case MOD_SHUTDOWN: 92 break; 93 94 default: 95 error = EOPNOTSUPP; 96 break; 97 98 } 99 return (error); 100 } 101 102 DEV_MODULE(opensolaris, opensolaris_modevent, NULL); 103 MODULE_VERSION(opensolaris, 1); 104