diff options
Diffstat (limited to 'sys/amd64/vmm/amd/svm_softc.h')
| -rw-r--r-- | sys/amd64/vmm/amd/svm_softc.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/amd64/vmm/amd/svm_softc.h b/sys/amd64/vmm/amd/svm_softc.h new file mode 100644 index 000000000000..0fd2303a7242 --- /dev/null +++ b/sys/amd64/vmm/amd/svm_softc.h @@ -0,0 +1,127 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SVM_SOFTC_H_ +#define _SVM_SOFTC_H_ + +#include "x86.h" + +#define SVM_IO_BITMAP_SIZE (3 * PAGE_SIZE) +#define SVM_MSR_BITMAP_SIZE (2 * PAGE_SIZE) + +struct svm_softc; + +struct dbg { + uint32_t rflags_tf; /* saved RFLAGS.TF value when single-stepping a vcpu */ + bool popf_sstep; /* indicates that we've stepped over popf */ + bool pushf_sstep; /* indicates that we've stepped over pushf */ +}; + +struct asid { + uint64_t gen; /* range is [1, ~0UL] */ + uint32_t num; /* range is [1, nasid - 1] */ +}; + +struct svm_vcpu { + struct svm_softc *sc; + struct vcpu *vcpu; + struct vmcb *vmcb; /* hardware saved vcpu context */ + struct svm_regctx swctx; /* software saved vcpu context */ + uint64_t vmcb_pa; /* VMCB physical address */ + uint64_t nextrip; /* next instruction to be executed by guest */ + int lastcpu; /* host cpu that the vcpu last ran on */ + uint32_t dirty; /* state cache bits that must be cleared */ + long eptgen; /* pmap->pm_eptgen when the vcpu last ran */ + struct asid asid; + struct vm_mtrr mtrr; + int vcpuid; + struct dbg dbg; + int caps; /* optional vm capabilities */ +}; + +/* + * SVM softc, one per virtual machine. + */ +struct svm_softc { + vm_paddr_t nptp; /* nested page table */ + uint8_t *iopm_bitmap; /* shared by all vcpus */ + uint8_t *msr_bitmap; /* shared by all vcpus */ + struct vm *vm; +}; + +#define SVM_CTR0(vcpu, format) \ + VCPU_CTR0((vcpu)->sc->vm, (vcpu)->vcpuid, format) + +#define SVM_CTR1(vcpu, format, p1) \ + VCPU_CTR1((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1) + +#define SVM_CTR2(vcpu, format, p1, p2) \ + VCPU_CTR2((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2) + +#define SVM_CTR3(vcpu, format, p1, p2, p3) \ + VCPU_CTR3((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2, p3) + +#define SVM_CTR4(vcpu, format, p1, p2, p3, p4) \ + VCPU_CTR4((vcpu)->sc->vm, (vcpu)->vcpuid, format, p1, p2, p3, p4) + +static __inline struct vmcb * +svm_get_vmcb(struct svm_vcpu *vcpu) +{ + + return (vcpu->vmcb); +} + +static __inline struct vmcb_state * +svm_get_vmcb_state(struct svm_vcpu *vcpu) +{ + + return (&vcpu->vmcb->state); +} + +static __inline struct vmcb_ctrl * +svm_get_vmcb_ctrl(struct svm_vcpu *vcpu) +{ + + return (&vcpu->vmcb->ctrl); +} + +static __inline struct svm_regctx * +svm_get_guest_regctx(struct svm_vcpu *vcpu) +{ + + return (&vcpu->swctx); +} + +static __inline void +svm_set_dirty(struct svm_vcpu *vcpu, uint32_t dirtybits) +{ + + vcpu->dirty |= dirtybits; +} + +#endif /* _SVM_SOFTC_H_ */ |