1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
14 *
15 * Copyright SUSE Linux Products GmbH 2010
16 *
17 * Authors: Alexander Graf <agraf@suse.de>
18 */
19
20#ifndef __ASM_KVM_BOOKE_H__
21#define __ASM_KVM_BOOKE_H__
22
23#include <linux/types.h>
24#include <linux/kvm_host.h>
25
26/*
27 * Number of available lpids. Only the low-order 6 bits of LPID rgister are
28 * implemented on e500mc+ cores.
29 */
30#define KVMPPC_NR_LPIDS                        64
31
32#define KVMPPC_INST_EHPRIV		0x7c00021c
33#define EHPRIV_OC_SHIFT			11
34/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */
35#define EHPRIV_OC_DEBUG			1
36
37static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
38{
39	vcpu->arch.gpr[num] = val;
40}
41
42static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
43{
44	return vcpu->arch.gpr[num];
45}
46
47static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
48{
49	vcpu->arch.cr = val;
50}
51
52static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
53{
54	return vcpu->arch.cr;
55}
56
57static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
58{
59	vcpu->arch.xer = val;
60}
61
62static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
63{
64	return vcpu->arch.xer;
65}
66
67static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
68{
69	/* XXX Would need to check TLB entry */
70	return false;
71}
72
73static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
74{
75	vcpu->arch.ctr = val;
76}
77
78static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
79{
80	return vcpu->arch.ctr;
81}
82
83static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
84{
85	vcpu->arch.lr = val;
86}
87
88static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
89{
90	return vcpu->arch.lr;
91}
92
93static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
94{
95	vcpu->arch.pc = val;
96}
97
98static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
99{
100	return vcpu->arch.pc;
101}
102
103static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
104{
105	return vcpu->arch.fault_dear;
106}
107
108static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu)
109{
110	/* Magic page is only supported on e500v2 */
111#ifdef CONFIG_KVM_E500V2
112	return true;
113#else
114	return false;
115#endif
116}
117#endif /* __ASM_KVM_BOOKE_H__ */
118