FreeBSD/Linux Kernel Cross Reference
sys/sys/xcall.h
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_ */
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