1 /* $NetBSD: intr.h,v 1.32 2023年09月02日 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