1 /* $NetBSD: intr.h,v 1.27 2010/02/01 02:42:33 mrg 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 void sparc64_ipi_halt_thiscpu (void *); 65 void 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_FPU_SYNCH 1 79 #define IPI_EVCNT_FPU_FLUSH 2 80 #define IPI_EVCNT_NUM 3 81 #define IPI_EVCNT_NAMES { "TLB pte IPI", "FPU synch IPI", "FPU flush IPI" } 82 #endif 83 84 #endif /* _SPARC64_INTR_H_ */ 85