1249967Sneel/*- 2249967Sneel * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) 3249967Sneel * All rights reserved. 4249967Sneel * 5249967Sneel * Redistribution and use in source and binary forms, with or without 6249967Sneel * modification, are permitted provided that the following conditions 7249967Sneel * are met: 8249967Sneel * 1. Redistributions of source code must retain the above copyright 9249967Sneel * notice unmodified, this list of conditions, and the following 10249967Sneel * disclaimer. 11249967Sneel * 2. Redistributions in binary form must reproduce the above copyright 12249967Sneel * notice, this list of conditions and the following disclaimer in the 13249967Sneel * documentation and/or other materials provided with the distribution. 14249967Sneel * 15249967Sneel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16249967Sneel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17249967Sneel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18249967Sneel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19249967Sneel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20249967Sneel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21249967Sneel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22249967Sneel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23249967Sneel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24249967Sneel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25249967Sneel * 26249967Sneel * $FreeBSD: releng/10.3/sys/amd64/vmm/amd/svm_softc.h 284894 2015-06-27 22:48:22Z neel $ 27249967Sneel */ 28249967Sneel 29249967Sneel#ifndef _SVM_SOFTC_H_ 30249967Sneel#define _SVM_SOFTC_H_ 31249967Sneel 32249967Sneel#define SVM_IO_BITMAP_SIZE (3 * PAGE_SIZE) 33249967Sneel#define SVM_MSR_BITMAP_SIZE (2 * PAGE_SIZE) 34249967Sneel 35271203Sneelstruct asid { 36271203Sneel uint64_t gen; /* range is [1, ~0UL] */ 37271203Sneel uint32_t num; /* range is [1, nasid - 1] */ 38271203Sneel}; 39271203Sneel 40249967Sneel/* 41272930Sneel * XXX separate out 'struct vmcb' from 'svm_vcpu' to avoid wasting space 42272930Sneel * due to VMCB alignment requirements. 43249967Sneel */ 44249967Sneelstruct svm_vcpu { 45271203Sneel struct vmcb vmcb; /* hardware saved vcpu context */ 46271203Sneel struct svm_regctx swctx; /* software saved vcpu context */ 47271203Sneel uint64_t vmcb_pa; /* VMCB physical address */ 48284894Sneel uint64_t nextrip; /* next instruction to be executed by guest */ 49271203Sneel int lastcpu; /* host cpu that the vcpu last ran on */ 50271203Sneel uint32_t dirty; /* state cache bits that must be cleared */ 51271203Sneel long eptgen; /* pmap->pm_eptgen when the vcpu last ran */ 52271203Sneel struct asid asid; 53249967Sneel} __aligned(PAGE_SIZE); 54249967Sneel 55249967Sneel/* 56249967Sneel * SVM softc, one per virtual machine. 57249967Sneel */ 58249967Sneelstruct svm_softc { 59272930Sneel uint8_t iopm_bitmap[SVM_IO_BITMAP_SIZE]; /* shared by all vcpus */ 60272930Sneel uint8_t msr_bitmap[SVM_MSR_BITMAP_SIZE]; /* shared by all vcpus */ 61267003Sgrehan uint8_t apic_page[VM_MAXCPU][PAGE_SIZE]; 62272930Sneel struct svm_vcpu vcpu[VM_MAXCPU]; 63272930Sneel vm_offset_t nptp; /* nested page table */ 64249967Sneel struct vm *vm; 65249967Sneel} __aligned(PAGE_SIZE); 66249967Sneel 67259579SgrehanCTASSERT((offsetof(struct svm_softc, nptp) & PAGE_MASK) == 0); 68249967Sneel 69249967Sneelstatic __inline struct svm_vcpu * 70249967Sneelsvm_get_vcpu(struct svm_softc *sc, int vcpu) 71249967Sneel{ 72249967Sneel 73249967Sneel return (&(sc->vcpu[vcpu])); 74249967Sneel} 75249967Sneel 76249967Sneelstatic __inline struct vmcb * 77249967Sneelsvm_get_vmcb(struct svm_softc *sc, int vcpu) 78249967Sneel{ 79249967Sneel 80249967Sneel return (&(sc->vcpu[vcpu].vmcb)); 81249967Sneel} 82249967Sneel 83249967Sneelstatic __inline struct vmcb_state * 84249967Sneelsvm_get_vmcb_state(struct svm_softc *sc, int vcpu) 85249967Sneel{ 86249967Sneel 87249967Sneel return (&(sc->vcpu[vcpu].vmcb.state)); 88249967Sneel} 89249967Sneel 90249967Sneelstatic __inline struct vmcb_ctrl * 91249967Sneelsvm_get_vmcb_ctrl(struct svm_softc *sc, int vcpu) 92249967Sneel{ 93249967Sneel 94249967Sneel return (&(sc->vcpu[vcpu].vmcb.ctrl)); 95249967Sneel} 96249967Sneel 97249967Sneelstatic __inline struct svm_regctx * 98249967Sneelsvm_get_guest_regctx(struct svm_softc *sc, int vcpu) 99249967Sneel{ 100249967Sneel 101249967Sneel return (&(sc->vcpu[vcpu].swctx)); 102249967Sneel} 103249967Sneel 104271939Sneelstatic __inline void 105271939Sneelsvm_set_dirty(struct svm_softc *sc, int vcpu, uint32_t dirtybits) 106271939Sneel{ 107271939Sneel struct svm_vcpu *vcpustate; 108271939Sneel 109271939Sneel vcpustate = svm_get_vcpu(sc, vcpu); 110271939Sneel 111271939Sneel vcpustate->dirty |= dirtybits; 112271939Sneel} 113271939Sneel 114249967Sneel#endif /* _SVM_SOFTC_H_ */ 115