xref: /netbsd/sys/arch/mipsco/include/intr.h (revision 7c050fa3)
1 /*	$NetBSD: intr.h,v 1.19 2011/02/20 07:56:16 matt Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Jonathan Stone for
17  *      the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _MACHINE_INTR_H_
34 #define _MACHINE_INTR_H_
35 
36 #include <mips/intr.h>
37 
38 #ifdef _KERNEL
39 #ifdef __INTR_PRIVATE
40 #include <sys/evcnt.h>
41 #include <mips/cpuregs.h>
42 
43 /*
44  * nesting interrupt masks.
45  */
46 #define MIPS_INT_MASK_SPL_SOFT0	MIPS_SOFT_INT_MASK_0
47 #define MIPS_INT_MASK_SPL_SOFT1	(MIPS_SOFT_INT_MASK_1|MIPS_INT_MASK_SPL_SOFT0)
48 #define MIPS_INT_MASK_SPL0	(MIPS_INT_MASK_0|MIPS_INT_MASK_SPL_SOFT1)
49 #define MIPS_INT_MASK_SPL1	(MIPS_INT_MASK_1|MIPS_INT_MASK_SPL0)
50 #define MIPS_INT_MASK_SPL2	(MIPS_INT_MASK_2|MIPS_INT_MASK_SPL1)
51 #define MIPS_INT_MASK_SPL3	(MIPS_INT_MASK_3|MIPS_INT_MASK_SPL2)
52 #define MIPS_INT_MASK_SPL4	(MIPS_INT_MASK_4|MIPS_INT_MASK_SPL3)
53 #define MIPS_INT_MASK_SPL5	(MIPS_INT_MASK_5|MIPS_INT_MASK_SPL4)
54 
55 struct mipsco_intrhand {
56 	LIST_ENTRY(mipsco_intrhand) ih_q;
57 	int	(*ih_fun)(void *);
58 	void	 *ih_arg;
59 	struct	mipsco_intr *ih_intrhead;
60 	int	ih_pending;
61 };
62 
63 struct mipsco_intr {
64 	LIST_HEAD(,mipsco_intrhand) intr_q;
65 	struct	evcnt ih_evcnt;
66 	unsigned long intr_siq;
67 };
68 
69 extern const struct ipl_sr_map mipsco_ipl_sr_map;
70 extern struct mipsco_intrhand intrtab[];
71 #define	CALL_INTR(lev)	((*intrtab[lev].ih_fun)(intrtab[lev].ih_arg))
72 
73 #define MAX_INTR_COOKIES 16
74 
75 #endif /* __INTR_PRIVATE */
76 
77 #define SYS_INTR_LEVEL0	0
78 #define SYS_INTR_LEVEL1	1
79 #define SYS_INTR_LEVEL2	2
80 #define SYS_INTR_LEVEL3	3
81 #define SYS_INTR_LEVEL4	4
82 #define SYS_INTR_LEVEL5	5
83 #define SYS_INTR_SCSI	6
84 #define SYS_INTR_TIMER	7
85 #define SYS_INTR_ETHER	8
86 #define SYS_INTR_SCC0	9
87 #define SYS_INTR_FDC	10
88 #define SYS_INTR_ATBUS	11
89 
90 #endif /* _KERNEL */
91 #endif /* _MACHINE_INTR_H_ */
92