1b18ac2d8SNeel Natu /*- 2ebc3c37cSMarcelo Araujo * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3ebc3c37cSMarcelo Araujo * 4b18ac2d8SNeel Natu * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) 5b18ac2d8SNeel Natu * All rights reserved. 6b18ac2d8SNeel Natu * 7b18ac2d8SNeel Natu * Redistribution and use in source and binary forms, with or without 8b18ac2d8SNeel Natu * modification, are permitted provided that the following conditions 9b18ac2d8SNeel Natu * are met: 10b18ac2d8SNeel Natu * 1. Redistributions of source code must retain the above copyright 11b18ac2d8SNeel Natu * notice unmodified, this list of conditions, and the following 12b18ac2d8SNeel Natu * disclaimer. 13b18ac2d8SNeel Natu * 2. Redistributions in binary form must reproduce the above copyright 14b18ac2d8SNeel Natu * notice, this list of conditions and the following disclaimer in the 15b18ac2d8SNeel Natu * documentation and/or other materials provided with the distribution. 16b18ac2d8SNeel Natu * 17b18ac2d8SNeel Natu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18b18ac2d8SNeel Natu * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19b18ac2d8SNeel Natu * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20b18ac2d8SNeel Natu * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21b18ac2d8SNeel Natu * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22b18ac2d8SNeel Natu * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23b18ac2d8SNeel Natu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24b18ac2d8SNeel Natu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25b18ac2d8SNeel Natu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26b18ac2d8SNeel Natu * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27b18ac2d8SNeel Natu * 28b18ac2d8SNeel Natu * $FreeBSD$ 29b18ac2d8SNeel Natu */ 30b18ac2d8SNeel Natu 31b18ac2d8SNeel Natu #ifndef _SVM_SOFTC_H_ 32b18ac2d8SNeel Natu #define _SVM_SOFTC_H_ 33b18ac2d8SNeel Natu 346171e026SCorvin Köhne #include "x86.h" 356171e026SCorvin Köhne 36b18ac2d8SNeel Natu #define SVM_IO_BITMAP_SIZE (3 * PAGE_SIZE) 37b18ac2d8SNeel Natu #define SVM_MSR_BITMAP_SIZE (2 * PAGE_SIZE) 38b18ac2d8SNeel Natu 39869c8d19SJohn Baldwin struct svm_softc; 40869c8d19SJohn Baldwin 41a2684814SNeel Natu struct asid { 42a2684814SNeel Natu uint64_t gen; /* range is [1, ~0UL] */ 43a2684814SNeel Natu uint32_t num; /* range is [1, nasid - 1] */ 44a2684814SNeel Natu }; 45a2684814SNeel Natu 46b18ac2d8SNeel Natu struct svm_vcpu { 47869c8d19SJohn Baldwin struct svm_softc *sc; 48*950af9ffSJohn Baldwin struct vcpu *vcpu; 49215d2fd5SJohn Baldwin struct vmcb *vmcb; /* hardware saved vcpu context */ 50b18ac2d8SNeel Natu struct svm_regctx swctx; /* software saved vcpu context */ 51b18ac2d8SNeel Natu uint64_t vmcb_pa; /* VMCB physical address */ 522ce12423SNeel Natu uint64_t nextrip; /* next instruction to be executed by guest */ 53b18ac2d8SNeel Natu int lastcpu; /* host cpu that the vcpu last ran on */ 54a2684814SNeel Natu uint32_t dirty; /* state cache bits that must be cleared */ 55a2684814SNeel Natu long eptgen; /* pmap->pm_eptgen when the vcpu last ran */ 56a2684814SNeel Natu struct asid asid; 57215d2fd5SJohn Baldwin struct vm_mtrr mtrr; 581aa51504SJohn Baldwin int vcpuid; 59215d2fd5SJohn Baldwin }; 60b18ac2d8SNeel Natu 61b18ac2d8SNeel Natu /* 62b18ac2d8SNeel Natu * SVM softc, one per virtual machine. 63b18ac2d8SNeel Natu */ 64b18ac2d8SNeel Natu struct svm_softc { 651aa51504SJohn Baldwin vm_paddr_t nptp; /* nested page table */ 66091da2dfSAndriy Gapon uint8_t *iopm_bitmap; /* shared by all vcpus */ 67091da2dfSAndriy Gapon uint8_t *msr_bitmap; /* shared by all vcpus */ 68f37dbf57SNeel Natu struct vm *vm; 69091da2dfSAndriy Gapon }; 70b18ac2d8SNeel Natu 71fca494daSJohn Baldwin #define SVM_CTR0(vcpu, format) \ 72fca494daSJohn Baldwin VCPU_CTR0((vcpu)->sc->vm, (vcpu)->vcpuid, format) 73fca494daSJohn Baldwin 74fca494daSJohn Baldwin #define SVM_CTR1(vcpu, format, p1) \ 75fca494daSJohn Baldwin VCPU_CTR1((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1) 76fca494daSJohn Baldwin 77fca494daSJohn Baldwin #define SVM_CTR2(vcpu, format, p1, p2) \ 78fca494daSJohn Baldwin VCPU_CTR2((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2) 79fca494daSJohn Baldwin 80fca494daSJohn Baldwin #define SVM_CTR3(vcpu, format, p1, p2, p3) \ 81fca494daSJohn Baldwin VCPU_CTR3((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2, p3) 82fca494daSJohn Baldwin 83fca494daSJohn Baldwin #define SVM_CTR4(vcpu, format, p1, p2, p3, p4) \ 84fca494daSJohn Baldwin VCPU_CTR4((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2, p3, p4) 85fca494daSJohn Baldwin 86b18ac2d8SNeel Natu static __inline struct vmcb * 871aa51504SJohn Baldwin svm_get_vmcb(struct svm_vcpu *vcpu) 88b18ac2d8SNeel Natu { 89b18ac2d8SNeel Natu 901aa51504SJohn Baldwin return (vcpu->vmcb); 91b18ac2d8SNeel Natu } 92b18ac2d8SNeel Natu 93b18ac2d8SNeel Natu static __inline struct vmcb_state * 941aa51504SJohn Baldwin svm_get_vmcb_state(struct svm_vcpu *vcpu) 95b18ac2d8SNeel Natu { 96b18ac2d8SNeel Natu 971aa51504SJohn Baldwin return (&vcpu->vmcb->state); 98b18ac2d8SNeel Natu } 99b18ac2d8SNeel Natu 100b18ac2d8SNeel Natu static __inline struct vmcb_ctrl * 1011aa51504SJohn Baldwin svm_get_vmcb_ctrl(struct svm_vcpu *vcpu) 102b18ac2d8SNeel Natu { 103b18ac2d8SNeel Natu 1041aa51504SJohn Baldwin return (&vcpu->vmcb->ctrl); 105b18ac2d8SNeel Natu } 106b18ac2d8SNeel Natu 107b18ac2d8SNeel Natu static __inline struct svm_regctx * 1081aa51504SJohn Baldwin svm_get_guest_regctx(struct svm_vcpu *vcpu) 109b18ac2d8SNeel Natu { 110b18ac2d8SNeel Natu 1111aa51504SJohn Baldwin return (&vcpu->swctx); 112b18ac2d8SNeel Natu } 113b18ac2d8SNeel Natu 114af198d88SNeel Natu static __inline void 1151aa51504SJohn Baldwin svm_set_dirty(struct svm_vcpu *vcpu, uint32_t dirtybits) 116af198d88SNeel Natu { 117af198d88SNeel Natu 1181aa51504SJohn Baldwin vcpu->dirty |= dirtybits; 119af198d88SNeel Natu } 120af198d88SNeel Natu 121b18ac2d8SNeel Natu #endif /* _SVM_SOFTC_H_ */ 122