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      1 /* $NetBSD: bootvar.h,v 1.1 2025/02/24 13:47:55 christos Exp $ */
      2 
      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 THE AUTHOR ``AS IS'' AND ANY EXPRESS
     14  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL THE 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 OR
     19  * 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 
     26 #ifndef _BOOTVAR_H_
     27 #define _BOOTVAR_H_
     28 
     29 #ifndef lint
     30 __RCSID("$NetBSD: bootvar.h,v 1.1 2025/02/24 13:47:55 christos Exp $");
     31 #endif /* not lint */
     32 
     33 /*
     34  * Structure of Boot####, Device####, SysPrep#### variables.
     35  */
     36 typedef struct boot_var {
     37 	uint32_t Attributes;
     38 #define LOAD_OPTION_ACTIVE		__BIT(0)
     39 #define IS_ACTIVE(attr)	((attr) & LOAD_OPTION_ACTIVE)
     40 #define LOAD_OPTION_FORCE_RECONNECT	__BIT(1)
     41 #define LOAD_OPTION_HIDDEN		__BIT(3)
     42 #define LOAD_OPTION_CATEGORY		__BITS(12,8)
     43 #define LOAD_OPTION_CATEGORY_BOOT	0
     44 #define LOAD_OPTION_CATEGORY_APP	__BIT(8)
     45 #define LOAD_OPTION_BITS \
     46 	"\177\020"		\
     47 	"b\x00""Active\0"	\
     48 	"b\x01""Reconnect\0"	\
     49 	"b\x03""Hidden\0"	\
     50 	"b\x08""CatApp\0"
     51 
     52 	uint16_t FilePathListLength;
     53 	uint16_t Description[];	/* XXX: gcc warns about alignment when packed */
     54 //	devpath_t FilePathList[];
     55 //	uint8_t OptionalData[];
     56 } __packed boot_var_t;
     57 
     58 int find_new_bootvar(efi_var_t **, size_t, const char *);
     59 void *make_bootvar_data(const char *, uint, uint32_t, const char *,
     60     const char *, const char *, size_t *);
     61 
     62 #endif /* _BOOTVAR_H_ */
     63