xref: /freebsd/sys/amd64/vmm/amd/svm.h (revision 65b71c48d226f3ef3eb1c4452dccc678a7d2ac96)
1 /*-
2  * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
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 unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _SVM_H_
30 #define _SVM_H_
31 
32 struct pcpu;
33 
34 /*
35  * Guest register state that is saved outside the VMCB.
36  */
37 struct svm_regctx {
38 	register_t	sctx_rbp;
39 	register_t	sctx_rbx;
40 	register_t	sctx_rcx;
41 	register_t	sctx_rdx;
42 	register_t	sctx_rdi;
43 	register_t	sctx_rsi;
44 	register_t	sctx_r8;
45 	register_t	sctx_r9;
46 	register_t	sctx_r10;
47 	register_t	sctx_r11;
48 	register_t	sctx_r12;
49 	register_t	sctx_r13;
50 	register_t	sctx_r14;
51 	register_t	sctx_r15;
52 };
53 
54 void svm_launch(uint64_t pa, struct svm_regctx *gctx, struct pcpu *pcpu);
55 
56 #endif /* _SVM_H_ */
57