1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* $NetBSD: ipivar.h,v 1.12 2020/04/16 23:29:52 rin Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tim Rightnour
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ipivar.h,v 1.12 2020/04/16 23:29:52 rin Exp $");
#ifndef _IPI_VAR_H_
#define _IPI_VAR_H_
#ifdef _KERNEL_OPT
#include "opt_ppcarch.h"
#endif
#if defined(_KERNEL) && !defined(PPC_BOOKE)
struct ipi_ops {
void (*ppc_send_ipi)(cpuid_t, uint32_t);
/* type, level, arg */
void (*ppc_establish_ipi)(int, int, void *);
int ppc_ipi_vector;
};
/* target macros, 0+ are real cpu numbers */
#define IPI_DST_ALL ((cpuid_t) -2)
#define IPI_DST_NOTME ((cpuid_t) -1)
#define IPI_NOMESG 0x0000
#define IPI_HALT 0x0001
#define IPI_XCALL 0x0002
#define IPI_KPREEMPT 0x0004
#define IPI_GENERIC 0x0008
#define IPI_SUSPEND 0x0010
#define IPI_AST 0x0020
/* OpenPIC */
void setup_openpic_ipi(void);
/* IPI Handler */
int ipi_intr(void *);
/* convenience */
extern struct ipi_ops ipiops;
static __inline void
cpu_send_ipi(cpuid_t cpuid, uint32_t msg)
{
(*ipiops.ppc_send_ipi)(cpuid, msg);
}
#endif
#endif /*_IPI_VAR_H_*/
|