xref: /freebsd/sys/amd64/vmm/amd/svm_softc.h (revision 950af9ffc616ee573a1ce6ef0c841e897b13dfc4)
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_ */
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