freebsd-skq/sys/amd64/vmm/intel/vmx_msr.h
Peter Grehan 366f60834f Import of bhyve hypervisor and utilities, part 1.
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
2011-05-13 04:54:01 +00:00

79 lines
2.8 KiB
C

/*-
* 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 _VMX_MSR_H_
#define _VMX_MSR_H_
#define MSR_VMX_BASIC 0x480
#define MSR_VMX_EPT_VPID_CAP 0x48C
#define MSR_VMX_PROCBASED_CTLS 0x482
#define MSR_VMX_TRUE_PROCBASED_CTLS 0x48E
#define MSR_VMX_PINBASED_CTLS 0x481
#define MSR_VMX_TRUE_PINBASED_CTLS 0x48D
#define MSR_VMX_PROCBASED_CTLS2 0x48B
#define MSR_VMX_EXIT_CTLS 0x483
#define MSR_VMX_TRUE_EXIT_CTLS 0x48f
#define MSR_VMX_ENTRY_CTLS 0x484
#define MSR_VMX_TRUE_ENTRY_CTLS 0x490
#define MSR_VMX_CR0_FIXED0 0x486
#define MSR_VMX_CR0_FIXED1 0x487
#define MSR_VMX_CR4_FIXED0 0x488
#define MSR_VMX_CR4_FIXED1 0x489
uint32_t vmx_revision(void);
int vmx_set_ctlreg(int ctl_reg, int true_ctl_reg, uint32_t ones_mask,
uint32_t zeros_mask, uint32_t *retval);
/*
* According to Section 21.10.4 "Software Access to Related Structures",
* changes to data structures pointed to by the VMCS must be made only when
* there is no logical processor with a current VMCS that points to the
* data structure.
*
* This pretty much limits us to configuring the MSR bitmap before VMCS
* initialization for SMP VMs. Unless of course we do it the hard way - which
* would involve some form of synchronization between the vcpus to vmclear
* all VMCSs' that point to the bitmap.
*/
#define MSR_BITMAP_ACCESS_NONE 0x0
#define MSR_BITMAP_ACCESS_READ 0x1
#define MSR_BITMAP_ACCESS_WRITE 0x2
#define MSR_BITMAP_ACCESS_RW (MSR_BITMAP_ACCESS_READ|MSR_BITMAP_ACCESS_WRITE)
void msr_bitmap_initialize(char *bitmap);
int msr_bitmap_change_access(char *bitmap, u_int msr, int access);
#endif