Home | History | Annotate | Line # | Download | only in include 
      1 /*	$NetBSD: intr.h,v 1.32 2023/09/02 05:51:57 jdc 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 #ifdef _KERNEL
     36 
     37 #if defined(_KERNEL_OPT)
     38 #include "opt_multiprocessor.h"
     39 #endif
     40 
     41 #ifndef _LOCORE
     42 #include <machine/cpuset.h>
     43 #endif
     44 #include <machine/psl.h>
     45 
     46 /* XXX - arbitrary numbers; no interpretation is defined yet */
     47 #define	IPL_NONE	0		/* nothing */
     48 #define	IPL_SOFTCLOCK	1		/* timeouts */
     49 #define	IPL_SOFTBIO	1		/* block I/O */
     50 #define	IPL_SOFTNET	1		/* protocol stack */
     51 #define	IPL_SOFTSERIAL	4		/* serial */
     52 #define	IPL_VM		PIL_VM		/* memory allocation */
     53 #define	IPL_SCHED	PIL_SCHED	/* scheduler */
     54 #define	IPL_HIGH	PIL_HIGH	/* everything */
     55 #define	IPL_HALT	5		/* cpu stop-self */
     56 #define	IPL_PAUSE	13		/* pause cpu */
     57 
     58 /*
     59  * IPL_SAFEPRI is a safe priority for sleep to set for a spin-wait
     60  * during autoconfiguration or after a panic.
     61  */
     62 #define	IPL_SAFEPRI	IPL_NONE
     63 
     64 #ifndef _LOCORE
     65 void fpusave_lwp(struct lwp *, bool);
     66 #endif	/* _LOCORE */
     67 
     68 #if defined(MULTIPROCESSOR)
     69 #ifndef _LOCORE
     70 void	sparc64_ipi_init (void);
     71 void	sparc64_ipi_halt_thiscpu (void *, void *);
     72 void	sparc64_ipi_pause_thiscpu (void *);
     73 void	sparc64_do_pause(void);
     74 void	sparc64_ipi_drop_fpstate (void *, void *);
     75 void	sparc64_ipi_save_fpstate (void *, void *);
     76 void	sparc64_ipi_nop (void *, void *);
     77 void	sparc64_ipi_ccall(void *, void *);
     78 void	mp_halt_cpus (void);
     79 void	mp_pause_cpus (void);
     80 void	mp_resume_cpus (void);
     81 int	mp_cpu_is_paused (sparc64_cpuset_t);
     82 void	mp_resume_cpu(int);
     83 #endif	/* _LOCORE */
     84 #endif
     85 
     86 #endif /* _KERNEL */
     87 
     88 #define IPI_EVCNT_TLB_PTE	0
     89 #define IPI_EVCNT_FPU_SYNCH	1
     90 #define IPI_EVCNT_FPU_FLUSH	2
     91 #define IPI_EVCNT_NUM		3
     92 #define IPI_EVCNT_NAMES { "TLB pte IPI", "FPU synch IPI", "FPU flush IPI" }
     93 
     94 #endif /* _SPARC64_INTR_H_ */
     95