1 /* $OpenBSD: kexec.h,v 1.3 2020/07/18 10:23:44 kettenis Exp $ */ 2 3 /* 4 * Copyright (c) 2019-2020 Visa Hankala 5 * 6 * Permission to use, copy, modify, and/or 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 _MACHINE_KEXEC_H_ 20 #define _MACHINE_KEXEC_H_ 21 22 #include <sys/ioccom.h> 23 24 #define KEXEC_MAX_ARGS 8 /* maximum number of boot arguments */ 25 26 struct kexec_args { 27 char *kimg; /* kernel image buffer */ 28 size_t klen; /* size of kernel image */ 29 int boothowto; 30 u_char bootduid[8]; 31 }; 32 33 #define KIOC_KEXEC _IOW('K', 1, struct kexec_args) 34 #define KIOC_GETBOOTDUID _IOR('K', 2, u_char[8]) 35 36 #endif /* _MACHINE_KEXEC_H_ */ 37