1 /* $NetBSD: mdesc.h,v 1.5 2016/06/22 20:13:00 palle Exp $ */ 2 /* $OpenBSD: mdesc.h,v 1.3 2014/11/30 22:26:14 kettenis Exp $ */ 3 /* 4 * Copyright (c) 2009 Mark Kettenis 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _MDESC_H_ 20 #define _MDESC_H_ 21 22 struct md_header { 23 uint32_t transport_version; 24 uint32_t node_blk_sz; 25 uint32_t name_blk_sz; 26 uint32_t data_blk_sz; 27 }; 28 29 struct md_element { 30 uint8_t tag; 31 uint8_t name_len; 32 uint16_t _reserved_field; 33 uint32_t name_offset; 34 union { 35 struct { 36 uint32_t data_len; 37 uint32_t data_offset; 38 } y; 39 uint64_t val; 40 } d; 41 }; 42 43 extern vaddr_t mdesc; 44 45 #ifdef _KERNEL 46 psize_t mdesc_get_len(void); 47 void mdesc_init(vaddr_t, paddr_t, psize_t); 48 uint64_t mdesc_get_prop_val(int, const char *); 49 const char *mdesc_get_prop_str(int, const char *); 50 const char *mdesc_get_prop_data(int, const char *, size_t *); 51 int mdesc_find(const char *, uint64_t); 52 int mdesc_find_child(int, const char *, uint64_t); 53 int mdesc_find_node(const char *); 54 int mdesc_find_node_by_idx(int, const char *); 55 int mdesc_next_node(int); 56 const char *mdesc_name_by_idx(int); 57 #endif 58 59 #endif /* _MDESC_H_ */ 60