1 /* $NetBSD: linux_dmi.c,v 1.1 2014/04/25 23:54:59 riastradh Exp $ */ 2 3 /*- 4 * Copyright (C) 2014 NONAKA Kimihiro <nonaka@netbsd.org> 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: linux_dmi.c,v 1.1 2014/04/25 23:54:59 riastradh Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/types.h> 33 #include <sys/pmf.h> 34 35 #include <linux/dmi.h> 36 37 static bool 38 dmi_found(const struct dmi_system_id *dsi) 39 { 40 const char *p; 41 int i, slot; 42 43 for (i = 0; i < __arraycount(dsi->matches); i++) { 44 p = NULL; 45 slot = dsi->matches[i].slot; 46 switch (slot) { 47 case DMI_NONE: 48 continue; 49 case DMI_BIOS_VENDOR: 50 p = pmf_get_platform("bios-vendor"); 51 break; 52 case DMI_BIOS_VERSION: 53 p = pmf_get_platform("bios-version"); 54 break; 55 case DMI_BIOS_DATE: 56 p = pmf_get_platform("bios-date"); 57 break; 58 case DMI_SYS_VENDOR: 59 p = pmf_get_platform("system-vendor"); 60 break; 61 case DMI_PRODUCT_NAME: 62 p = pmf_get_platform("system-product"); 63 break; 64 case DMI_PRODUCT_VERSION: 65 p = pmf_get_platform("system-version"); 66 break; 67 case DMI_PRODUCT_SERIAL: 68 p = pmf_get_platform("system-serial"); 69 break; 70 case DMI_PRODUCT_UUID: 71 p = pmf_get_platform("system-uuid"); 72 break; 73 case DMI_BOARD_VENDOR: 74 p = pmf_get_platform("board-vendor"); 75 break; 76 case DMI_BOARD_NAME: 77 p = pmf_get_platform("board-product"); 78 break; 79 case DMI_BOARD_VERSION: 80 p = pmf_get_platform("board-version"); 81 break; 82 case DMI_BOARD_SERIAL: 83 p = pmf_get_platform("board-serial"); 84 break; 85 case DMI_BOARD_ASSET_TAG: 86 p = pmf_get_platform("board-asset-tag"); 87 break; 88 case DMI_CHASSIS_VENDOR: 89 case DMI_CHASSIS_TYPE: 90 case DMI_CHASSIS_VERSION: 91 case DMI_CHASSIS_SERIAL: 92 case DMI_CHASSIS_ASSET_TAG: 93 return false; 94 case DMI_STRING_MAX: 95 default: 96 aprint_error("%s: unknown DMI field(%d)\n", __func__, 97 slot); 98 return false; 99 } 100 if (p == NULL || strcmp(p, dsi->matches[i].substr)) 101 return false; 102 } 103 return true; 104 } 105 106 int 107 dmi_check_system(const struct dmi_system_id *sysid) 108 { 109 const struct dmi_system_id *dsi; 110 int num = 0; 111 112 for (dsi = sysid; dsi->matches[0].slot != DMI_NONE; dsi++) { 113 if (dmi_found(dsi)) { 114 num++; 115 if (dsi->callback && dsi->callback(dsi)) 116 break; 117 } 118 } 119 return num; 120 } 121