FreeBSD/Linux Kernel Cross Reference
sys/amd64/vmm/x86.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2011 NetApp, Inc.
      * All rights reserved.
      *
      * 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 NETAPP, INC ``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 NETAPP, INC 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _X86_H_
    #define _X86_H_
    
    #define CPUID_0000_0000 (0x0)
    #define CPUID_0000_0001 (0x1)
    #define CPUID_0000_0002 (0x2)
    #define CPUID_0000_0003 (0x3)
    #define CPUID_0000_0004 (0x4)
    #define CPUID_0000_0006 (0x6)
    #define CPUID_0000_0007 (0x7)
    #define CPUID_0000_000A (0xA)
    #define CPUID_0000_000B (0xB)
    #define CPUID_0000_000D (0xD)
    #define CPUID_0000_000F (0xF)
    #define CPUID_0000_0010 (0x10)
    #define CPUID_0000_0015 (0x15)
    #define CPUID_8000_0000 (0x80000000)
    #define CPUID_8000_0001 (0x80000001)
    #define CPUID_8000_0002 (0x80000002)
    #define CPUID_8000_0003 (0x80000003)
    #define CPUID_8000_0004 (0x80000004)
    #define CPUID_8000_0006 (0x80000006)
    #define CPUID_8000_0007 (0x80000007)
    #define CPUID_8000_0008 (0x80000008)
    #define CPUID_8000_001D (0x8000001D)
    #define CPUID_8000_001E (0x8000001E)
    
    /*
     * CPUID instruction Fn0000_0001:
     */
    #define CPUID_0000_0001_APICID_MASK                     (0xff<<24)
    #define CPUID_0000_0001_APICID_SHIFT                    24
    
    /*
     * CPUID instruction Fn0000_0001 ECX
     */
    #define CPUID_0000_0001_FEAT0_VMX       (1<<5)
    
    int x86_emulate_cpuid(struct vcpu *vcpu, uint64_t *rax, uint64_t *rbx,
        uint64_t *rcx, uint64_t *rdx);
    
    enum vm_cpuid_capability {
            VCC_NONE,
            VCC_NO_EXECUTE,
            VCC_FFXSR,
            VCC_TCE,
            VCC_LAST
    };
    
    /*
     * Return 'true' if the capability 'cap' is enabled in this virtual cpu
     * and 'false' otherwise.
     */
    bool vm_cpuid_capability(struct vcpu *vcpu, enum vm_cpuid_capability);
    
    #define VMM_MTRR_VAR_MAX 10
    #define VMM_MTRR_DEF_MASK \
            (MTRR_DEF_ENABLE | MTRR_DEF_FIXED_ENABLE | MTRR_DEF_TYPE)
    #define VMM_MTRR_PHYSBASE_MASK (MTRR_PHYSBASE_PHYSBASE | MTRR_PHYSBASE_TYPE)
    #define VMM_MTRR_PHYSMASK_MASK (MTRR_PHYSMASK_PHYSMASK | MTRR_PHYSMASK_VALID)
    struct vm_mtrr {
            uint64_t def_type;
            uint64_t fixed4k[8];
            uint64_t fixed16k[2];
            uint64_t fixed64k;
            struct {
                    uint64_t base;
                    uint64_t mask;
            } var[VMM_MTRR_VAR_MAX];
   };
   
   int vm_rdmtrr(struct vm_mtrr *mtrr, u_int num, uint64_t *val);
   int vm_wrmtrr(struct vm_mtrr *mtrr, u_int num, uint64_t val);
   
   #endif

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