366f60834f
vmm.ko - kernel module for VT-x, VT-d and hypervisor control bhyve - user-space sequencer and i/o emulation vmmctl - dump of hypervisor register state libvmm - front-end to vmm.ko chardev interface bhyve was designed and implemented by Neel Natu. Thanks to the following folk from NetApp who helped to make this available: Joe CaraDonna Peter Snyder Jeff Heller Sandeep Mann Steve Miller Brian Pawlowski
79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/*-
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* Copyright (c) 2011 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 _VMX_MSR_H_
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#define _VMX_MSR_H_
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#define MSR_VMX_BASIC 0x480
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#define MSR_VMX_EPT_VPID_CAP 0x48C
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#define MSR_VMX_PROCBASED_CTLS 0x482
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#define MSR_VMX_TRUE_PROCBASED_CTLS 0x48E
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#define MSR_VMX_PINBASED_CTLS 0x481
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#define MSR_VMX_TRUE_PINBASED_CTLS 0x48D
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#define MSR_VMX_PROCBASED_CTLS2 0x48B
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#define MSR_VMX_EXIT_CTLS 0x483
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#define MSR_VMX_TRUE_EXIT_CTLS 0x48f
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#define MSR_VMX_ENTRY_CTLS 0x484
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#define MSR_VMX_TRUE_ENTRY_CTLS 0x490
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#define MSR_VMX_CR0_FIXED0 0x486
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#define MSR_VMX_CR0_FIXED1 0x487
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#define MSR_VMX_CR4_FIXED0 0x488
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#define MSR_VMX_CR4_FIXED1 0x489
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uint32_t vmx_revision(void);
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int vmx_set_ctlreg(int ctl_reg, int true_ctl_reg, uint32_t ones_mask,
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uint32_t zeros_mask, uint32_t *retval);
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/*
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* According to Section 21.10.4 "Software Access to Related Structures",
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* changes to data structures pointed to by the VMCS must be made only when
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* there is no logical processor with a current VMCS that points to the
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* data structure.
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*
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* This pretty much limits us to configuring the MSR bitmap before VMCS
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* initialization for SMP VMs. Unless of course we do it the hard way - which
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* would involve some form of synchronization between the vcpus to vmclear
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* all VMCSs' that point to the bitmap.
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*/
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#define MSR_BITMAP_ACCESS_NONE 0x0
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#define MSR_BITMAP_ACCESS_READ 0x1
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#define MSR_BITMAP_ACCESS_WRITE 0x2
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#define MSR_BITMAP_ACCESS_RW (MSR_BITMAP_ACCESS_READ|MSR_BITMAP_ACCESS_WRITE)
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void msr_bitmap_initialize(char *bitmap);
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int msr_bitmap_change_access(char *bitmap, u_int msr, int access);
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#endif
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