1 /* $NetBSD: xcall.h,v 1.8 2019/10/06 15:11:16 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _SYS_XCALL_H_ 33 #define _SYS_XCALL_H_ 34 35 #ifdef _KERNEL 36 37 #include <sys/types.h> 38 39 #define XC_HIGHPRI 0x01 /* high priority */ 40 #define XC_HIGHPRI_IPL(ipl) (XC_HIGHPRI | xc_encode_ipl(ipl)) 41 42 typedef void (*xcfunc_t)(void *, void *); 43 44 struct cpu_info; 45 46 void xc_init_cpu(struct cpu_info *); 47 void xc_send_ipi(struct cpu_info *); 48 void xc_ipi_handler(void); 49 50 void xc__highpri_intr(void *); 51 52 uint64_t xc_broadcast(u_int, xcfunc_t, void *, void *); 53 uint64_t xc_unicast(u_int, xcfunc_t, void *, void *, struct cpu_info *); 54 void xc_wait(uint64_t); 55 56 void xc_barrier(u_int); 57 58 unsigned int xc_encode_ipl(int); 59 60 #endif /* _KERNEL */ 61 62 #endif /* _SYS_XCALL_H_ */ 63