1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice unmodified, this list of conditions, and the following 12 * disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SVM_H_ 30 #define _SVM_H_ 31 32 struct pcpu; 33 struct svm_softc; 34 struct svm_vcpu; 35 36 /* 37 * Guest register state that is saved outside the VMCB. 38 */ 39 struct svm_regctx { 40 register_t sctx_rbp; 41 register_t sctx_rbx; 42 register_t sctx_rcx; 43 register_t sctx_rdx; 44 register_t sctx_rdi; 45 register_t sctx_rsi; 46 register_t sctx_r8; 47 register_t sctx_r9; 48 register_t sctx_r10; 49 register_t sctx_r11; 50 register_t sctx_r12; 51 register_t sctx_r13; 52 register_t sctx_r14; 53 register_t sctx_r15; 54 register_t sctx_dr0; 55 register_t sctx_dr1; 56 register_t sctx_dr2; 57 register_t sctx_dr3; 58 59 register_t host_dr0; 60 register_t host_dr1; 61 register_t host_dr2; 62 register_t host_dr3; 63 register_t host_dr6; 64 register_t host_dr7; 65 uint64_t host_debugctl; 66 }; 67 68 void svm_launch(uint64_t pa, struct svm_regctx *gctx, struct pcpu *pcpu); 69 #ifdef BHYVE_SNAPSHOT 70 void svm_set_tsc_offset(struct svm_vcpu *vcpu, uint64_t offset); 71 #endif 72 73 #endif /* _SVM_H_ */ 74