ept.h revision 245678 
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/amd64/vmm/intel/ept.h 245678 2013-01-20 03:42:49Z neel $
27 */
28
29#ifndef	_EPT_H_
30#define	_EPT_H_
31
32struct vmx;
33
34#define	EPT_PWLEVELS	4		/* page walk levels */
35#define	EPTP(pml4)	((pml4) | (EPT_PWLEVELS - 1) << 3 | PAT_WRITE_BACK)
36
37int	ept_init(void);
38int	ept_vmmmap_set(void *arg, vm_paddr_t gpa, vm_paddr_t hpa, size_t length,
39	    vm_memattr_t attr, int prot, boolean_t allow_superpage_mappings);
40vm_paddr_t ept_vmmmap_get(void *arg, vm_paddr_t gpa);
41void	ept_invalidate_mappings(u_long ept_pml4);
42void	ept_vmcleanup(struct vmx *vmx);
43#endif
44