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intr.h revision 1.18.4.1 
      1 /*	$NetBSD: intr.h,v 1.18.4.1 2011/03/05 20:51:12 rmind 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