sys/platform/pc32/apic/mpapic.h

   1 /*
   2  * Copyright (c) 1996, by Steve Passe
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. The name of the developer may NOT be used to endorse or promote products
  11  *    derived from this software without specific prior written permission.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  * $FreeBSD: src/sys/i386/include/mpapic.h,v 1.14.2.2 2000/09/30 02:49:34 ps Exp $
  26  * $DragonFly: src/sys/platform/pc32/apic/mpapic.h,v 1.12 2008/06/07 11:37:23 mneumann Exp $
  27  */
  28
  29 #ifndef _MACHINE_MPAPIC_H_
  30 #define _MACHINE_MPAPIC_H_
  31
  32 #include "apicreg.h"
  33
  34 #include <machine_base/icu/icu.h>
  35
  36 /*
  37  * Size of APIC ID list.
  38  * Also used a MAX size of various other arrays.
  39  */
  40 #define NAPICID         256
  41
  42 /* these don't really belong in here... */
  43 enum busTypes {
  44     CBUS = 1,
  45     CBUSII = 2,
  46     EISA = 3,
  47     MCA = 4,
  48     ISA = 6,
  49     PCI = 13,
  50     XPRESS = 18,
  51     MAX_BUSTYPE = 18,
  52     UNKNOWN_BUSTYPE = 0xff
  53 };
  54
  55
  56 /*
  57  * the physical/logical APIC ID management macros
  58  */
  59 #define CPU_TO_ID(CPU)  (cpu_num_to_apic_id[CPU])
  60 #define ID_TO_CPU(ID)   (apic_id_to_logical[ID])
  61 #ifdef APIC_IO
  62 #define IO_TO_ID(IO)    (io_num_to_apic_id[IO])
  63 #define ID_TO_IO(ID)    (apic_id_to_logical[ID])
  64 #endif
  65
  66 #ifdef SMP
  67
  68 /*
  69  * send an IPI INTerrupt containing 'vector' to all CPUs EXCEPT myself
  70  */
  71 static __inline int
  72 all_but_self_ipi(int vector)
  73 {
  74         if (smp_active_mask == 1)
  75                 return 0;
  76         return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED);
  77 }
  78
  79 #endif
  80
  81 void    lapic_init(vm_offset_t /* XXX should be vm_paddr_t */);
  82
  83 #endif /* _MACHINE_MPAPIC_H */