76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
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/*-
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* Copyright (c) 2012 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VMM_HOST_H_
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#define _VMM_HOST_H_
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#ifndef _KERNEL
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#error "no user-servicable parts inside"
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#endif
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void vmm_host_state_init(void);
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uint64_t vmm_get_host_pat(void);
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uint64_t vmm_get_host_efer(void);
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uint64_t vmm_get_host_cr0(void);
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uint64_t vmm_get_host_cr4(void);
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uint64_t vmm_get_host_datasel(void);
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uint64_t vmm_get_host_codesel(void);
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uint64_t vmm_get_host_tsssel(void);
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uint64_t vmm_get_host_fsbase(void);
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uint64_t vmm_get_host_idtrbase(void);
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/*
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* Inline access to host state that is used on every VM entry
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*/
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static __inline uint64_t
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vmm_get_host_trbase(void)
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{
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return ((uint64_t)PCPU_GET(tssp));
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}
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static __inline uint64_t
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vmm_get_host_gdtrbase(void)
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{
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return ((uint64_t)&gdt[NGDT * curcpu]);
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}
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struct pcpu;
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extern struct pcpu __pcpu[];
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static __inline uint64_t
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vmm_get_host_gsbase(void)
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{
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return ((uint64_t)&__pcpu[curcpu]);
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}
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#endif
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