eee8190aab
- use the new virtual APIC page - update to current bhyve APIs Tested by Anish with multiple FreeBSD SMP VMs on a Phenom, and verified by myself with light FreeBSD VM testing on a Sempron 3850 APU. The issues reported with Linux guests are very likely to still be here, but this sync eliminates the skew between the project branch and CURRENT, and should help to determine the causes. Some follow-on commits will fix minor cosmetic issues. Submitted by: Anish Gupta (akgupt3@gmail.com)
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/*-
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* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
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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 unmodified, this list of conditions, and the following
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* 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <machine/pmap.h>
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#include <machine/md_var.h>
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#include <machine/vmparam.h>
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#include <machine/vmm.h>
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#include "svm.h"
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#include "vmcb.h"
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#include "svm_softc.h"
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#include "npt.h"
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SYSCTL_DECL(_hw_vmm);
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SYSCTL_NODE(_hw_vmm, OID_AUTO, npt, CTLFLAG_RW, NULL, NULL);
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static int npt_flags;
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SYSCTL_INT(_hw_vmm_npt, OID_AUTO, pmap_flags, CTLFLAG_RD,
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&npt_flags, 0, NULL);
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#define NPT_IPIMASK 0xFF
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/*
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* AMD nested page table init.
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*/
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int
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svm_npt_init(int ipinum)
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{
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int enable_superpage = 1;
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npt_flags = ipinum & NPT_IPIMASK;
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TUNABLE_INT_FETCH("hw.vmm.npt.enable_superpage", &enable_superpage);
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if (enable_superpage)
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npt_flags |= PMAP_PDE_SUPERPAGE;
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return (0);
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}
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static int
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npt_pinit(pmap_t pmap)
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{
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return (pmap_pinit_type(pmap, PT_RVI, npt_flags));
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}
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struct vmspace *
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svm_npt_alloc(vm_offset_t min, vm_offset_t max)
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{
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return (vmspace_alloc(min, max, npt_pinit));
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}
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void
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svm_npt_free(struct vmspace *vmspace)
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{
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vmspace_free(vmspace);
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}
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