xref: /netbsd-src/sys/arch/powerpc/pic/ipivar.h (revision 72d26a2dda23791b892cf8f1f49376e5de407c78)
1 /* $NetBSD: ipivar.h,v 1.12 2020/04/16 23:29:52 rin Exp $ */
2 /*-
3  * Copyright (c) 2007 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Tim Rightnour
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: ipivar.h,v 1.12 2020/04/16 23:29:52 rin Exp $");
33 
34 #ifndef _IPI_VAR_H_
35 #define _IPI_VAR_H_
36 
37 #ifdef _KERNEL_OPT
38 #include "opt_ppcarch.h"
39 #endif
40 
41 #if defined(_KERNEL) && !defined(PPC_BOOKE)
42 struct ipi_ops {
43 	void (*ppc_send_ipi)(cpuid_t, uint32_t);
44 	/* type, level, arg */
45 	void (*ppc_establish_ipi)(int, int, void *);
46 	int ppc_ipi_vector;
47 };
48 
49 /* target macros, 0+ are real cpu numbers */
50 #define IPI_DST_ALL	((cpuid_t) -2)
51 #define IPI_DST_NOTME	((cpuid_t) -1)
52 
53 #define IPI_NOMESG		0x0000
54 #define IPI_HALT		0x0001
55 #define IPI_XCALL		0x0002
56 #define IPI_KPREEMPT		0x0004
57 #define IPI_GENERIC		0x0008
58 #define IPI_SUSPEND		0x0010
59 #define	IPI_AST			0x0020
60 
61 /* OpenPIC */
62 void setup_openpic_ipi(void);
63 
64 /* IPI Handler */
65 int ipi_intr(void *);
66 
67 /* convenience */
68 extern struct ipi_ops ipiops;
69 
70 static __inline void
cpu_send_ipi(cpuid_t cpuid,uint32_t msg)71 cpu_send_ipi(cpuid_t cpuid, uint32_t msg)
72 {
73 	(*ipiops.ppc_send_ipi)(cpuid, msg);
74 }
75 #endif
76 
77 #endif /*_IPI_VAR_H_*/
78