738a5a4f41
redirection support. Older versions of the hypervisor mis-interpret the cpuid format in ioapic registers when x2APIC is turned on, but IR is not used by the guest OS. Based on: Linux commit 4cca6ea04d31c22a7d0436949c072b27bde41f86 Tested by: markj Sponsored by: The FreeBSD Foundation MFC after: 2 months
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/*-
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* Copyright (c) 2011-2014 Jung-uk Kim <jkim@FreeBSD.org>
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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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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 _X86_VMWARE_H_
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#define _X86_VMWARE_H_
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#define VMW_HVMAGIC 0x564d5868
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#define VMW_HVPORT 0x5658
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#define VMW_HVCMD_GETVERSION 10
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#define VMW_HVCMD_GETHZ 45
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#define VMW_HVCMD_GETVCPU_INFO 68
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#define VMW_VCPUINFO_LEGACY_X2APIC (1 << 3)
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#define VMW_VCPUINFO_VCPU_RESERVED (1 << 31)
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static __inline void
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vmware_hvcall(u_int cmd, u_int *p)
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{
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__asm __volatile("inl %w3, %0"
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: "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3])
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: "0" (VMW_HVMAGIC), "1" (UINT_MAX), "2" (cmd), "3" (VMW_HVPORT)
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: "memory");
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}
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#endif /* !_X86_VMWARE_H_ */
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