1 /* $NetBSD: ofw_sysctl.c,v 1.2 2020/04/03 21:55:07 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2020 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: ofw_sysctl.c,v 1.2 2020/04/03 21:55:07 macallan Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/types.h> 34 35 #include <sys/sysctl.h> 36 #include <dev/ofw/openfirm.h> 37 38 char firmwarestring[64] = "unknown"; 39 char firmwareversion[64] = "unknown"; 40 41 SYSCTL_SETUP(sysctl_hw_misc_setup, "sysctl hw.ofw subtree misc setup") 42 { 43 const struct sysctlnode *me; 44 int openprom; 45 46 openprom = OF_finddevice("/openprom"); 47 if (openprom == 0 || openprom == -1) return; 48 49 sysctl_createv(clog, 0, NULL, &me, 50 CTLFLAG_PERMANENT, 51 CTLTYPE_NODE, "ofw", 52 SYSCTL_DESCR("OpenFirmware information"), 53 NULL, 0, NULL, 0, 54 CTL_HW, CTL_CREATE, CTL_EOL); 55 56 memset(firmwarestring, 0, 64); 57 if (OF_getprop(openprom, "model", firmwarestring, 63) > 0) { 58 59 aprint_debug("firmware: %s\n", firmwarestring); 60 sysctl_createv(clog, 0, NULL, NULL, 61 CTLFLAG_PERMANENT, 62 CTLTYPE_STRING, "model", 63 SYSCTL_DESCR("firmware type"), 64 NULL, 0, firmwarestring, 0, 65 CTL_HW, me->sysctl_num, CTL_CREATE, CTL_EOL); 66 } 67 68 memset(firmwareversion, 0, 64); 69 if (OF_getprop(openprom, "version", firmwareversion, 63) > 0) { 70 71 aprint_debug("version: %s\n", firmwareversion); 72 sysctl_createv(clog, 0, NULL, NULL, 73 CTLFLAG_PERMANENT, 74 CTLTYPE_STRING, "version", 75 SYSCTL_DESCR("firmware version"), 76 NULL, 0, firmwareversion, 0, 77 CTL_HW, me->sysctl_num, CTL_CREATE, CTL_EOL); 78 } 79 } 80