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 39a2684814SNeel Natu struct asid { 40a2684814SNeel Natu uint64_t gen; /* range is [1, ~0UL] */ 41a2684814SNeel Natu uint32_t num; /* range is [1, nasid - 1] */ 42a2684814SNeel Natu }; 43a2684814SNeel Natu 44b18ac2d8SNeel Natu struct svm_vcpu { 45215d2fd5SJohn Baldwin struct vmcb *vmcb; /* hardware saved vcpu context */ 46b18ac2d8SNeel Natu struct svm_regctx swctx; /* software saved vcpu context */ 47b18ac2d8SNeel Natu uint64_t vmcb_pa; /* VMCB physical address */ 482ce12423SNeel Natu uint64_t nextrip; /* next instruction to be executed by guest */ 49b18ac2d8SNeel Natu int lastcpu; /* host cpu that the vcpu last ran on */ 50a2684814SNeel Natu uint32_t dirty; /* state cache bits that must be cleared */ 51a2684814SNeel Natu long eptgen; /* pmap->pm_eptgen when the vcpu last ran */ 52a2684814SNeel Natu struct asid asid; 53215d2fd5SJohn Baldwin struct vm_mtrr mtrr; 541aa51504SJohn Baldwin int vcpuid; 55215d2fd5SJohn Baldwin }; 56b18ac2d8SNeel Natu 57b18ac2d8SNeel Natu /* 58b18ac2d8SNeel Natu * SVM softc, one per virtual machine. 59b18ac2d8SNeel Natu */ 60b18ac2d8SNeel Natu struct svm_softc { 611aa51504SJohn Baldwin vm_paddr_t nptp; /* nested page table */ 62091da2dfSAndriy Gapon uint8_t *iopm_bitmap; /* shared by all vcpus */ 63091da2dfSAndriy Gapon uint8_t *msr_bitmap; /* shared by all vcpus */ 64f37dbf57SNeel Natu struct vm *vm; 65091da2dfSAndriy Gapon }; 66b18ac2d8SNeel Natu 67b18ac2d8SNeel Natu static __inline struct vmcb * 681aa51504SJohn Baldwin svm_get_vmcb(struct svm_vcpu *vcpu) 69b18ac2d8SNeel Natu { 70b18ac2d8SNeel Natu 711aa51504SJohn Baldwin return (vcpu->vmcb); 72b18ac2d8SNeel Natu } 73b18ac2d8SNeel Natu 74b18ac2d8SNeel Natu static __inline struct vmcb_state * 751aa51504SJohn Baldwin svm_get_vmcb_state(struct svm_vcpu *vcpu) 76b18ac2d8SNeel Natu { 77b18ac2d8SNeel Natu 781aa51504SJohn Baldwin return (&vcpu->vmcb->state); 79b18ac2d8SNeel Natu } 80b18ac2d8SNeel Natu 81b18ac2d8SNeel Natu static __inline struct vmcb_ctrl * 821aa51504SJohn Baldwin svm_get_vmcb_ctrl(struct svm_vcpu *vcpu) 83b18ac2d8SNeel Natu { 84b18ac2d8SNeel Natu 851aa51504SJohn Baldwin return (&vcpu->vmcb->ctrl); 86b18ac2d8SNeel Natu } 87b18ac2d8SNeel Natu 88b18ac2d8SNeel Natu static __inline struct svm_regctx * 891aa51504SJohn Baldwin svm_get_guest_regctx(struct svm_vcpu *vcpu) 90b18ac2d8SNeel Natu { 91b18ac2d8SNeel Natu 921aa51504SJohn Baldwin return (&vcpu->swctx); 93b18ac2d8SNeel Natu } 94b18ac2d8SNeel Natu 95af198d88SNeel Natu static __inline void 961aa51504SJohn Baldwin svm_set_dirty(struct svm_vcpu *vcpu, uint32_t dirtybits) 97af198d88SNeel Natu { 98af198d88SNeel Natu 991aa51504SJohn Baldwin vcpu->dirty |= dirtybits; 100af198d88SNeel Natu } 101af198d88SNeel Natu 102b18ac2d8SNeel Natu #endif /* _SVM_SOFTC_H_ */ 103