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mdesc.h revision 1.4 
      1 /*	$NetBSD: mdesc.h,v 1.4 2015/09/06 16:45:09 martin 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 struct md_header {
     20 	uint32_t	transport_version;
     21 	uint32_t	node_blk_sz;
     22 	uint32_t	name_blk_sz;
     23 	uint32_t	data_blk_sz;
     24 };
     25 
     26 struct md_element {
     27 	uint8_t		tag;
     28 	uint8_t		name_len;
     29 	uint16_t	_reserved_field;
     30 	uint32_t	name_offset;
     31 	union {
     32 		struct {
     33 			uint32_t	data_len;
     34 			uint32_t	data_offset;
     35 		} y;
     36 		uint64_t	val;
     37 	} d;
     38 };
     39 
     40 #ifdef _KERNEL
     41 psize_t	mdesc_get_len(void);
     42 void	mdesc_init(vaddr_t, paddr_t, psize_t);
     43 uint64_t mdesc_get_prop_val(int, const char *);
     44 const char *mdesc_get_prop_str(int, const char *);
     45 const char *mdesc_get_prop_data(int, const char *, size_t *);
     46 int	mdesc_find(const char *, uint64_t);
     47 int	mdesc_find_child(int, const char *, uint64_t);
     48 int	mdesc_find_node(const char *);
     49 int	mdesc_find_node_by_idx(int, const char *);
     50 int	mdesc_next_node(int);
     51 const char *mdesc_name_by_idx(int);
     52 #endif
     53