1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 29 */ 30 31 #ifndef _SVM_SOFTC_H_ 32 #define _SVM_SOFTC_H_ 33 34 #include "x86.h" 35 36 #define SVM_IO_BITMAP_SIZE (3 * PAGE_SIZE) 37 #define SVM_MSR_BITMAP_SIZE (2 * PAGE_SIZE) 38 39 struct svm_softc; 40 41 struct asid { 42 uint64_t gen; /* range is [1, ~0UL] */ 43 uint32_t num; /* range is [1, nasid - 1] */ 44 }; 45 46 struct svm_vcpu { 47 struct svm_softc *sc; 48 struct vcpu *vcpu; 49 struct vmcb *vmcb; /* hardware saved vcpu context */ 50 struct svm_regctx swctx; /* software saved vcpu context */ 51 uint64_t vmcb_pa; /* VMCB physical address */ 52 uint64_t nextrip; /* next instruction to be executed by guest */ 53 int lastcpu; /* host cpu that the vcpu last ran on */ 54 uint32_t dirty; /* state cache bits that must be cleared */ 55 long eptgen; /* pmap->pm_eptgen when the vcpu last ran */ 56 struct asid asid; 57 struct vm_mtrr mtrr; 58 int vcpuid; 59 }; 60 61 /* 62 * SVM softc, one per virtual machine. 63 */ 64 struct svm_softc { 65 vm_paddr_t nptp; /* nested page table */ 66 uint8_t *iopm_bitmap; /* shared by all vcpus */ 67 uint8_t *msr_bitmap; /* shared by all vcpus */ 68 struct vm *vm; 69 }; 70 71 #define SVM_CTR0(vcpu, format) \ 72 VCPU_CTR0((vcpu)->sc->vm, (vcpu)->vcpuid, format) 73 74 #define SVM_CTR1(vcpu, format, p1) \ 75 VCPU_CTR1((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1) 76 77 #define SVM_CTR2(vcpu, format, p1, p2) \ 78 VCPU_CTR2((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2) 79 80 #define SVM_CTR3(vcpu, format, p1, p2, p3) \ 81 VCPU_CTR3((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2, p3) 82 83 #define SVM_CTR4(vcpu, format, p1, p2, p3, p4) \ 84 VCPU_CTR4((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2, p3, p4) 85 86 static __inline struct vmcb * 87 svm_get_vmcb(struct svm_vcpu *vcpu) 88 { 89 90 return (vcpu->vmcb); 91 } 92 93 static __inline struct vmcb_state * 94 svm_get_vmcb_state(struct svm_vcpu *vcpu) 95 { 96 97 return (&vcpu->vmcb->state); 98 } 99 100 static __inline struct vmcb_ctrl * 101 svm_get_vmcb_ctrl(struct svm_vcpu *vcpu) 102 { 103 104 return (&vcpu->vmcb->ctrl); 105 } 106 107 static __inline struct svm_regctx * 108 svm_get_guest_regctx(struct svm_vcpu *vcpu) 109 { 110 111 return (&vcpu->swctx); 112 } 113 114 static __inline void 115 svm_set_dirty(struct svm_vcpu *vcpu, uint32_t dirtybits) 116 { 117 118 vcpu->dirty |= dirtybits; 119 } 120 121 #endif /* _SVM_SOFTC_H_ */ 122