sys/arch/sparc64/include/intr.h

   1 /*      $NetBSD: intr.h,v 1.25 2008/04/28 20:23:37 martin 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_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_ */