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.
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.
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.
15 * Copyright SUSE Linux Products GmbH 2009
17 * Authors: Alexander Graf <agraf@suse.de>
20 #ifndef __ASM_KVM_BOOK3S_H__
21 #define __ASM_KVM_BOOK3S_H__
23 #include <linux/types.h>
24 #include <linux/kvm_host.h>
25 #include <asm/kvm_book3s_asm.h>
36 bool large : 1; /* PTEs are 16MB */
37 bool tb : 1; /* 1TB segment */
52 struct kvmppc_sid_map {
59 #define SID_MAP_BITS 9
60 #define SID_MAP_NUM (1 << SID_MAP_BITS)
61 #define SID_MAP_MASK (SID_MAP_NUM - 1)
63 struct kvmppc_vcpu_book3s {
65 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
66 struct kvmppc_sid_map sid_map[SID_MAP_NUM];
67 struct kvmppc_slb slb[64];
73 struct kvmppc_bat ibat[8];
74 struct kvmppc_bat dbat[8];
85 ulong prog_flags; /* flags to inject when giving a 700 trap */
88 #define CONTEXT_HOST 0
89 #define CONTEXT_GUEST 1
90 #define CONTEXT_GUEST_END 2
92 #define VSID_REAL 0x1fffffffffc00000ULL
93 #define VSID_BAT 0x1fffffffffb00000ULL
94 #define VSID_REAL_DR 0x2000000000000000ULL
95 #define VSID_REAL_IR 0x4000000000000000ULL
96 #define VSID_PR 0x8000000000000000ULL
98 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask);
99 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
100 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
101 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
102 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
103 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
104 extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
105 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
106 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
108 extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
109 extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu);
110 extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu);
111 extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu);
112 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
113 extern int kvmppc_mmu_hpte_sysinit(void);
114 extern void kvmppc_mmu_hpte_sysexit(void);
116 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
117 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
118 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
119 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
120 bool upper, u32 val);
121 extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
122 extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
123 extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
125 extern ulong kvmppc_trampoline_lowmem;
126 extern ulong kvmppc_trampoline_enter;
127 extern void kvmppc_rmcall(ulong srr0, ulong srr1);
128 extern void kvmppc_load_up_fpu(void);
129 extern void kvmppc_load_up_altivec(void);
130 extern void kvmppc_load_up_vsx(void);
131 extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
132 extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
134 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
136 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
139 static inline ulong dsisr(void)
142 asm ( "mfdsisr %0 " : "=r" (r) );
146 extern void kvm_return_point(void);
147 static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu);
149 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
152 to_svcpu(vcpu)->gpr[num] = val;
153 to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
155 vcpu->arch.gpr[num] = val;
158 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
161 return to_svcpu(vcpu)->gpr[num];
163 return vcpu->arch.gpr[num];
166 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
168 to_svcpu(vcpu)->cr = val;
169 to_book3s(vcpu)->shadow_vcpu->cr = val;
172 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
174 return to_svcpu(vcpu)->cr;
177 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
179 to_svcpu(vcpu)->xer = val;
180 to_book3s(vcpu)->shadow_vcpu->xer = val;
183 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
185 return to_svcpu(vcpu)->xer;
188 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
190 to_svcpu(vcpu)->ctr = val;
193 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
195 return to_svcpu(vcpu)->ctr;
198 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
200 to_svcpu(vcpu)->lr = val;
203 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
205 return to_svcpu(vcpu)->lr;
208 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
210 to_svcpu(vcpu)->pc = val;
213 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
215 return to_svcpu(vcpu)->pc;
218 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
220 ulong pc = kvmppc_get_pc(vcpu);
221 struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
223 /* Load the instruction manually if it failed to do so in the
225 if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
226 kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
228 return svcpu->last_inst;
231 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
233 return to_svcpu(vcpu)->fault_dar;
236 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
237 * instruction for the OSI hypercalls */
238 #define OSI_SC_MAGIC_R3 0x113724FA
239 #define OSI_SC_MAGIC_R4 0x77810F9B
241 #define INS_DCBZ 0x7c0007ec
243 /* Also add subarch specific defines */
245 #ifdef CONFIG_PPC_BOOK3S_32
246 #include <asm/kvm_book3s_32.h>
248 #include <asm/kvm_book3s_64.h>
251 #endif /* __ASM_KVM_BOOK3S_H__ */