ept.h revision 221828
1221828Sgrehan/*- 2221828Sgrehan * Copyright (c) 2011 NetApp, Inc. 3221828Sgrehan * All rights reserved. 4221828Sgrehan * 5221828Sgrehan * Redistribution and use in source and binary forms, with or without 6221828Sgrehan * modification, are permitted provided that the following conditions 7221828Sgrehan * are met: 8221828Sgrehan * 1. Redistributions of source code must retain the above copyright 9221828Sgrehan * notice, this list of conditions and the following disclaimer. 10221828Sgrehan * 2. Redistributions in binary form must reproduce the above copyright 11221828Sgrehan * notice, this list of conditions and the following disclaimer in the 12221828Sgrehan * documentation and/or other materials provided with the distribution. 13221828Sgrehan * 14221828Sgrehan * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 15221828Sgrehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16221828Sgrehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17221828Sgrehan * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 18221828Sgrehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19221828Sgrehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20221828Sgrehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21221828Sgrehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22221828Sgrehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23221828Sgrehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24221828Sgrehan * SUCH DAMAGE. 25221828Sgrehan * 26221828Sgrehan * $FreeBSD$ 27221828Sgrehan */ 28221828Sgrehan 29221828Sgrehan#ifndef _EPT_H_ 30221828Sgrehan#define _EPT_H_ 31221828Sgrehan 32221828Sgrehanstruct vmx; 33221828Sgrehan 34221828Sgrehan#define EPT_PWLEVELS 4 /* page walk levels */ 35221828Sgrehan#define EPTP(pml4) ((pml4) | (EPT_PWLEVELS - 1) << 3 | PAT_WRITE_BACK) 36221828Sgrehan 37221828Sgrehanint ept_init(void); 38221828Sgrehanint ept_vmmmap(void *arg, vm_paddr_t gpa, vm_paddr_t hpa, size_t length, 39221828Sgrehan vm_memattr_t attr, int prot, boolean_t allow_superpage_mappings); 40221828Sgrehanvoid ept_invalidate_mappings(u_long ept_pml4); 41221828Sgrehanvoid ept_vmcleanup(struct vmx *vmx); 42221828Sgrehan#endif 43