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gerrit-public.fairphone.software / kernel / msm-5.4 / 2191d657c9eaa4c444c33e014199ed9de1ac339d / . / arch / powerpc / include / asm / kvm_book3s.h
blob: 7670e2a12867fafcf662b32a28eda19bae462d0a [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 Graf2191d652010-04-16 00:11:32 +0200[diff] [blame^]25#include <asm/kvm_book3s_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;
Alexander Graf3ed9c6d2010-03-24 21:48:36 +0100[diff] [blame]32 bool valid : 1;
33 bool Ks : 1;
34 bool Kp : 1;
35 bool nx : 1;
36 bool large : 1; /* PTEs are 16MB */
37 bool tb : 1; /* 1TB segment */
38 bool class : 1;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]39};
40
41struct kvmppc_sr {
42 u32 raw;
43 u32 vsid;
Alexander Graf3ed9c6d2010-03-24 21:48:36 +0100[diff] [blame]44 bool Ks : 1;
45 bool Kp : 1;
46 bool nx : 1;
47 bool valid : 1;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]48};
49
50struct kvmppc_bat {
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame]51 u64 raw;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]52 u32 bepi;
53 u32 bepi_mask;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]54 u32 brpn;
55 u8 wimg;
56 u8 pp;
Alexander Graf3ed9c6d2010-03-24 21:48:36 +0100[diff] [blame]57 bool vs : 1;
58 bool vp : 1;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]59};
60
61struct kvmppc_sid_map {
62 u64 guest_vsid;
63 u64 guest_esid;
64 u64 host_vsid;
Alexander Graf3ed9c6d2010-03-24 21:48:36 +0100[diff] [blame]65 bool valid : 1;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]66};
67
68#define SID_MAP_BITS 9
69#define SID_MAP_NUM (1 << SID_MAP_BITS)
70#define SID_MAP_MASK (SID_MAP_NUM - 1)
71
72struct kvmppc_vcpu_book3s {
73 struct kvm_vcpu vcpu;
Alexander Graf7e57cba2010-01-08 02:58:03 +0100[diff] [blame]74 struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]75 struct kvmppc_sid_map sid_map[SID_MAP_NUM];
76 struct kvmppc_slb slb[64];
77 struct {
78 u64 esid;
79 u64 vsid;
80 } slb_shadow[64];
81 u8 slb_shadow_max;
82 struct kvmppc_sr sr[16];
83 struct kvmppc_bat ibat[8];
84 struct kvmppc_bat dbat[8];
85 u64 hid[6];
Alexander Grafd6d549b2010-02-19 11:00:33 +0100[diff] [blame]86 u64 gqr[8];
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]87 int slb_nr;
Alexander Grafc8027f12010-03-24 21:48:19 +0100[diff] [blame]88 u32 dsisr;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]89 u64 sdr1;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]90 u64 hior;
91 u64 msr_mask;
92 u64 vsid_first;
93 u64 vsid_next;
94 u64 vsid_max;
95 int context_id;
Alexander Graf25a8a022010-01-08 02:58:07 +0100[diff] [blame]96 ulong prog_flags; /* flags to inject when giving a 700 trap */
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]97};
98
99#define CONTEXT_HOST 0
100#define CONTEXT_GUEST 1
101#define CONTEXT_GUEST_END 2
102
Alexander Graf5a1b4192010-03-24 21:48:35 +0100[diff] [blame]103#define VSID_REAL_DR 0x7ffffffffff00000ULL
104#define VSID_REAL_IR 0x7fffffffffe00000ULL
105#define VSID_SPLIT_MASK 0x7fffffffffe00000ULL
106#define VSID_REAL 0x7fffffffffc00000ULL
107#define VSID_BAT 0x7fffffffffb00000ULL
108#define VSID_PR 0x8000000000000000ULL
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]109
110extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
111extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
112extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
113extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
114extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
115extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
116extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
117extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
118extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
119extern 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]120extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
121extern 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]122extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame]123extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
124 bool upper, u32 val);
Alexander Grafaba3bd72010-02-19 11:00:39 +0100[diff] [blame]125extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
Alexander Graf831317b2010-02-19 11:00:44 +0100[diff] [blame]126extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]127
128extern u32 kvmppc_trampoline_lowmem;
129extern u32 kvmppc_trampoline_enter;
Alexander Graf021ec9c2010-01-08 02:58:06 +0100[diff] [blame]130extern void kvmppc_rmcall(ulong srr0, ulong srr1);
Alexander Grafd5e52812010-01-15 14:49:10 +0100[diff] [blame]131extern void kvmppc_load_up_fpu(void);
132extern void kvmppc_load_up_altivec(void);
133extern void kvmppc_load_up_vsx(void);
Alexander Grafca7f4202010-03-24 21:48:28 +0100[diff] [blame]134extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
135extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]136
137static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
138{
139 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
140}
141
142static inline ulong dsisr(void)
143{
144 ulong r;
145 asm ( "mfdsisr %0 " : "=r" (r) );
146 return r;
147}
148
149extern void kvm_return_point(void);
150
Alexander Grafad0a0482010-03-24 21:48:30 +0100[diff] [blame]151/* Magic register values loaded into r3 and r4 before the 'sc' assembly
152 * instruction for the OSI hypercalls */
153#define OSI_SC_MAGIC_R3 0x113724FA
154#define OSI_SC_MAGIC_R4 0x77810F9B
155
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]156#define INS_DCBZ 0x7c0007ec
157
158#endif /* __ASM_KVM_BOOK3S_H__ */