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

     /*      $NetBSD: cpuio.h,v 1.10 2022/07/10 09:59:22 riastradh Exp $     */
     
     /*-
      * Copyright (c) 2007, 2009, 2012 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Andrew Doran.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #if !defined(_SYS_CPUIO_H_)
    #define _SYS_CPUIO_H_
    
    #include <sys/types.h>
    #include <sys/time.h>
    #include <sys/ioccom.h>
    
    #ifndef _KERNEL
    #include <limits.h>
    #include <stdbool.h>
    #endif
    
    /*
     * This is not a great place to describe CPU properties, those
     * are better returned via autoconf.
     */
    typedef struct cpustate {
            u_int           cs_id;          /* matching ci_cpuid */
            uint8_t         cs_online;      /* running unbound LWPs */
            uint8_t         cs_intr;        /* fielding interrupts */
            uint8_t         cs_unused[2];   /* reserved */
            int32_t         cs_lastmod;     /* time of last state change */
            char            cs_name[16];    /* reserved */
            int32_t         cs_lastmodhi;   /* time of last state change */
            uint32_t        cs_intrcnt;     /* count of interrupt handlers + 1 */
            uint32_t        cs_hwid;        /* hardware id */
            uint32_t        cs_reserved;    /* reserved */
    } cpustate_t;
    
    #define IOC_CPU_SETSTATE        _IOW('c', 0, cpustate_t)
    #define IOC_CPU_GETSTATE        _IOWR('c', 1, cpustate_t)
    #define IOC_CPU_GETCOUNT        _IOR('c', 2, int)
    #define IOC_CPU_MAPID           _IOWR('c', 3, int)
    /* 4 and 5 reserved for compat nb6 x86 amd ucode loader */
    
    struct cpu_ucode_version {
            int loader_version;     /* IN: md version number */
            void *data;             /* OUT: CPU ID data */
    };
    
    #define IOC_CPU_UCODE_GET_VERSION       _IOWR('c', 6, struct cpu_ucode_version)
    
    #ifdef __i386__
    /* In order to read the info from an amd64 kernel we need ... */
    struct cpu_ucode_version_64 {
            int loader_version;     /* IN: md version number */
            int pad1;
            void *data;             /* OUT: CPU ID data */
            int must_be_zero;
    };
    #define IOC_CPU_UCODE_GET_VERSION_64    _IOWR('c', 6, struct cpu_ucode_version_64)
    #endif
    
    struct cpu_ucode {
            int loader_version;     /* md version number */
            int cpu_nr;             /* CPU index or special value below */
    #define CPU_UCODE_ALL_CPUS (-1)
    #define CPU_UCODE_CURRENT_CPU (-2)
            char fwname[PATH_MAX];
    };
    
    #define IOC_CPU_UCODE_APPLY             _IOW('c', 7, struct cpu_ucode)
    
    #endif /* !_SYS_CPUIO_H_ */

Cache object: 86b9df1c9626a5b50704ab2aa4c89def