cpu_data.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*      $NetBSD: cpu_data.h,v 1.27 2008/06/03 15:50:22 ad Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 2004, 2006, 2007, 2008 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   26  * POSSIBILITY OF SUCH DAMAGE.
   27  */
   28 
   29 /*
   30  * based on arch/i386/include/cpu.h:
   31  *      NetBSD: cpu.h,v 1.115 2004/05/16 12:32:53 yamt Exp
   32  */
   33 
   34 #ifndef _SYS_CPU_DATA_H_
   35 #define _SYS_CPU_DATA_H_
   36 
   37 struct callout;
   38 struct lwp;
   39 
   40 #include <sys/sched.h>  /* for schedstate_percpu */
   41 #include <sys/condvar.h>
   42 #include <sys/percpu_types.h>
   43 #include <sys/queue.h>
   44 
   45 /*
   46  * MI per-cpu data
   47  *
   48  * this structure is intended to be included in MD cpu_info structure.
   49  *      struct cpu_info {
   50  *              struct cpu_data ci_data;
   51  *      }
   52  *
   53  * note that cpu_data is not expected to contain much data,
   54  * as cpu_info is size-limited on most ports.
   55  */
   56 
   57 struct lockdebug;
   58 
   59 struct cpu_data {
   60         /*
   61          * The first section is likely to be touched by other CPUs -
   62          * it is cache hot.
   63          */
   64         lwp_t           *cpu_biglock_wanted;    /* LWP spinning on biglock */
   65         void            *cpu_callout;           /* per-CPU callout state */
   66         void            *cpu_unused1;           /* unused */
   67         u_int           cpu_unused2;            /* unused */
   68         struct schedstate_percpu cpu_schedstate; /* scheduler state */
   69         kcondvar_t      cpu_xcall;              /* cross-call support */
   70         int             cpu_xcall_pending;      /* cross-call support */
   71         lwp_t           *cpu_onproc;            /* bottom level LWP */
   72         CIRCLEQ_ENTRY(cpu_info) cpu_qchain;     /* circleq of all CPUs */
   73         
   74         /*
   75          * This section is mostly CPU-private.
   76          */
   77         lwp_t           *cpu_idlelwp;           /* idle lwp */
   78         void            *cpu_lockstat;          /* lockstat private tables */
   79         u_int           cpu_index;              /* CPU index */
   80         u_int           cpu_biglock_count;      /* # recursive holds */
   81         u_int           cpu_spin_locks;         /* # of spinlockmgr locks */
   82         u_int           cpu_simple_locks;       /* # of simple locks held */
   83         u_int           cpu_spin_locks2;        /* # of spin locks held XXX */
   84         u_int           cpu_lkdebug_recurse;    /* LOCKDEBUG recursion */
   85         u_int           cpu_softints;           /* pending (slow) softints */
   86         u_int           cpu_nsyscall;           /* syscall counter */
   87         u_int           cpu_ntrap;              /* trap counter */
   88         u_int           cpu_nswtch;             /* context switch counter */
   89         void            *cpu_uvm;               /* uvm per-cpu data */
   90         void            *cpu_softcpu;           /* soft interrupt table */
   91         TAILQ_HEAD(,buf) cpu_biodone;           /* finished block xfers */
   92         percpu_cpu_t    cpu_percpu;             /* per-cpu data */
   93         struct selcpu   *cpu_selcpu;            /* per-CPU select() info */
   94         void            *cpu_nch;               /* per-cpu vfs_cache data */
   95         _TAILQ_HEAD(,struct lockdebug,volatile) cpu_ld_locks;/* !: lockdebug */
   96         __cpu_simple_lock_t cpu_ld_lock;        /* lockdebug */
   97         uint64_t        cpu_cc_freq;            /* cycle counter frequency */
   98         int64_t         cpu_cc_skew;            /* counter skew vs cpu0 */
   99 };
  100 
  101 /* compat definitions */
  102 #define ci_schedstate           ci_data.cpu_schedstate
  103 #define ci_index                ci_data.cpu_index
  104 #define ci_biglock_count        ci_data.cpu_biglock_count
  105 #define ci_biglock_wanted       ci_data.cpu_biglock_wanted
  106 #define ci_spin_locks           ci_data.cpu_spin_locks
  107 #define ci_simple_locks         ci_data.cpu_simple_locks
  108 #define ci_lockstat             ci_data.cpu_lockstat
  109 #define ci_spin_locks2          ci_data.cpu_spin_locks2
  110 #define ci_lkdebug_recurse      ci_data.cpu_lkdebug_recurse
  111 
  112 int mi_cpu_attach(struct cpu_info *ci);
  113 
  114 #endif /* _SYS_CPU_DATA_H_ */

Cache object: c0c82d802e515c9f05ad54e6917bbc97

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/sys/cpu_data.h

FreeBSD/Linux Kernel Cross Reference
sys/sys/cpu_data.h