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gerrit-public.fairphone.software / kernel / msm-4.9 / aba3bd7ffe13fad6c4483b49686ad454a4cb409b / . / arch / powerpc / include / asm / kvm_book3s.h
blob: fd432100f6db126460d467e3a94ec2e753c44b30 [file] [log] [blame]
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]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 2009
16 *
17 * Authors: Alexander Graf <agraf@suse.de>
18 */
19
20#ifndef __ASM_KVM_BOOK3S_H__
21#define __ASM_KVM_BOOK3S_H__
22
23#include <linux/types.h>
24#include <linux/kvm_host.h>
Alexander Graf7e57cba2010-01-08 02:58:03 +0100[diff] [blame]25#include <asm/kvm_book3s_64_asm.h>
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]26
27struct kvmppc_slb {
28 u64 esid;
29 u64 vsid;
30 u64 orige;
31 u64 origv;
32 bool valid;
33 bool Ks;
34 bool Kp;
35 bool nx;
Alexander Graf4b5c9b72010-01-10 03:27:47 +0100[diff] [blame]36 bool large; /* PTEs are 16MB */
37 bool tb; /* 1TB segment */
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]38 bool class;
39};
40
41struct kvmppc_sr {
42 u32 raw;
43 u32 vsid;
44 bool Ks;
45 bool Kp;
46 bool nx;
47};
48
49struct kvmppc_bat {
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame]50 u64 raw;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]51 u32 bepi;
52 u32 bepi_mask;
53 bool vs;
54 bool vp;
55 u32 brpn;
56 u8 wimg;
57 u8 pp;
58};
59
60struct kvmppc_sid_map {
61 u64 guest_vsid;
62 u64 guest_esid;
63 u64 host_vsid;
64 bool valid;
65};
66
67#define SID_MAP_BITS 9
68#define SID_MAP_NUM (1 << SID_MAP_BITS)
69#define SID_MAP_MASK (SID_MAP_NUM - 1)
70
71struct kvmppc_vcpu_book3s {
72 struct kvm_vcpu vcpu;
Alexander Graf7e57cba2010-01-08 02:58:03 +0100[diff] [blame]73 struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]74 struct kvmppc_sid_map sid_map[SID_MAP_NUM];
75 struct kvmppc_slb slb[64];
76 struct {
77 u64 esid;
78 u64 vsid;
79 } slb_shadow[64];
80 u8 slb_shadow_max;
81 struct kvmppc_sr sr[16];
82 struct kvmppc_bat ibat[8];
83 struct kvmppc_bat dbat[8];
84 u64 hid[6];
Alexander Grafd6d549b2010-02-19 11:00:33 +0100[diff] [blame]85 u64 gqr[8];
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]86 int slb_nr;
87 u64 sdr1;
88 u64 dsisr;
89 u64 hior;
90 u64 msr_mask;
91 u64 vsid_first;
92 u64 vsid_next;
93 u64 vsid_max;
94 int context_id;
Alexander Graf25a8a022010-01-08 02:58:07 +0100[diff] [blame]95 ulong prog_flags; /* flags to inject when giving a 700 trap */
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]96};
97
98#define CONTEXT_HOST 0
99#define CONTEXT_GUEST 1
100#define CONTEXT_GUEST_END 2
101
102#define VSID_REAL 0xfffffffffff00000
103#define VSID_REAL_DR 0xffffffffffe00000
104#define VSID_REAL_IR 0xffffffffffd00000
105#define VSID_BAT 0xffffffffffc00000
106#define VSID_PR 0x8000000000000000
107
108extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
109extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
110extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
111extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
112extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
113extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
114extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
115extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
116extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
117extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
Alexander Graf5467a972010-02-19 11:00:38 +0100[diff] [blame]118extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
119extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]120extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame]121extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
122 bool upper, u32 val);
Alexander Grafaba3bd72010-02-19 11:00:39 +0100[diff] [blame^]123extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]124
125extern u32 kvmppc_trampoline_lowmem;
126extern u32 kvmppc_trampoline_enter;
Alexander Graf021ec9c2010-01-08 02:58:06 +0100[diff] [blame]127extern void kvmppc_rmcall(ulong srr0, ulong srr1);
Alexander Grafd5e52812010-01-15 14:49:10 +0100[diff] [blame]128extern void kvmppc_load_up_fpu(void);
129extern void kvmppc_load_up_altivec(void);
130extern void kvmppc_load_up_vsx(void);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]131
132static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
133{
134 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
135}
136
137static inline ulong dsisr(void)
138{
139 ulong r;
140 asm ( "mfdsisr %0 " : "=r" (r) );
141 return r;
142}
143
144extern void kvm_return_point(void);
145
146#define INS_DCBZ 0x7c0007ec
147
148#endif /* __ASM_KVM_BOOK3S_H__ */