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intr.h revision 1.24.2.1 
      1 /*	$NetBSD: intr.h,v 1.24.2.1 2008/05/16 02:23:15 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg.
      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 _SPARC64_INTR_H_
     33 #define _SPARC64_INTR_H_
     34 
     35 #if defined(_KERNEL_OPT)
     36 #include "opt_multiprocessor.h"
     37 #endif
     38 
     39 #ifndef _LOCORE
     40 #include <machine/cpuset.h>
     41 #endif
     42 #include <machine/psl.h>
     43 
     44 /* XXX - arbitrary numbers; no interpretation is defined yet */
     45 #define	IPL_NONE	0		/* nothing */
     46 #define	IPL_SOFTCLOCK	1		/* timeouts */
     47 #define	IPL_SOFTBIO	1		/* block I/O */
     48 #define	IPL_SOFTNET	1		/* protocol stack */
     49 #define	IPL_SOFTSERIAL	4		/* serial */
     50 #define	IPL_VM		PIL_VM		/* memory allocation */
     51 #define	IPL_SCHED	PIL_SCHED	/* scheduler */
     52 #define	IPL_HIGH	PIL_HIGH	/* everything */
     53 #define	IPL_HALT	5		/* cpu stop-self */
     54 #define	IPL_PAUSE	13		/* pause cpu */
     55 #define	IPL_FDSOFT	PIL_FDSOFT	/* floppy */
     56 
     57 #ifndef _LOCORE
     58 void fpusave_lwp(struct lwp *, bool);
     59 #endif	/* _LOCORE */
     60 
     61 #if defined(MULTIPROCESSOR)
     62 #ifndef _LOCORE
     63 void	sparc64_ipi_init (void);
     64 int	sparc64_ipi_halt_thiscpu (void *);
     65 int	sparc64_ipi_pause_thiscpu (void *);
     66 void	sparc64_do_pause(void);
     67 void	sparc64_ipi_drop_fpstate (void *);
     68 void	sparc64_ipi_save_fpstate (void *);
     69 void	sparc64_ipi_nop (void *);
     70 void	mp_halt_cpus (void);
     71 void	mp_pause_cpus (void);
     72 void	mp_resume_cpus (void);
     73 int	mp_cpu_is_paused (sparc64_cpuset_t);
     74 void	mp_resume_cpu(int);
     75 #endif	/* _LOCORE */
     76 
     77 #define IPI_EVCNT_TLB_PTE	0
     78 #define IPI_EVCNT_TLB_CTX	1
     79 #define IPI_EVCNT_TLB_ALL	2
     80 #define IPI_EVCNT_FPU_SYNCH	3
     81 #define IPI_EVCNT_FPU_FLUSH	4
     82 #define IPI_EVCNT_NUM		5
     83 #define IPI_EVCNT_NAMES { "TLB pte IPI", "TLB ctx IPI", "TLB all IPI", \
     84 			  "FPU synch IPI", "FPU flush IPI" }
     85 #endif
     86 
     87 #endif /* _SPARC64_INTR_H_ */
     88