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 #ifdef CONFIG_PPC_BOOK3S_64
64 #define SID_CONTEXTS 1
66 #define SID_CONTEXTS 128
67 #define VSID_POOL_SIZE (SID_CONTEXTS * 16)
70 struct kvmppc_vcpu_book3s {
72 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
73 struct kvmppc_sid_map sid_map[SID_MAP_NUM];
74 struct kvmppc_slb slb[64];
80 struct kvmppc_bat ibat[8];
81 struct kvmppc_bat dbat[8];
89 #ifdef CONFIG_PPC_BOOK3S_32
90 u32 vsid_pool[VSID_POOL_SIZE];
95 int context_id[SID_CONTEXTS];
96 ulong prog_flags; /* flags to inject when giving a 700 trap */
99 #define CONTEXT_HOST 0
100 #define CONTEXT_GUEST 1
101 #define CONTEXT_GUEST_END 2
103 #define VSID_REAL 0x1fffffffffc00000ULL
104 #define VSID_BAT 0x1fffffffffb00000ULL
105 #define VSID_REAL_DR 0x2000000000000000ULL
106 #define VSID_REAL_IR 0x4000000000000000ULL
107 #define VSID_PR 0x8000000000000000ULL
109 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask);
110 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
111 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
112 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
113 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
114 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
115 extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
116 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
117 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
119 extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
120 extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu);
121 extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu);
122 extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu);
123 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
124 extern int kvmppc_mmu_hpte_sysinit(void);
125 extern void kvmppc_mmu_hpte_sysexit(void);
127 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
128 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
129 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
130 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
131 bool upper, u32 val);
132 extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
133 extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
134 extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
136 extern ulong kvmppc_trampoline_lowmem;
137 extern ulong kvmppc_trampoline_enter;
138 extern void kvmppc_rmcall(ulong srr0, ulong srr1);
139 extern void kvmppc_load_up_fpu(void);
140 extern void kvmppc_load_up_altivec(void);
141 extern void kvmppc_load_up_vsx(void);
142 extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
143 extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
145 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
147 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
150 static inline ulong dsisr(void)
153 asm ( "mfdsisr %0 " : "=r" (r) );
157 extern void kvm_return_point(void);
158 static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu);
160 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
163 to_svcpu(vcpu)->gpr[num] = val;
164 to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
166 vcpu->arch.gpr[num] = val;
169 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
172 return to_svcpu(vcpu)->gpr[num];
174 return vcpu->arch.gpr[num];
177 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
179 to_svcpu(vcpu)->cr = val;
180 to_book3s(vcpu)->shadow_vcpu->cr = val;
183 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
185 return to_svcpu(vcpu)->cr;
188 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
190 to_svcpu(vcpu)->xer = val;
191 to_book3s(vcpu)->shadow_vcpu->xer = val;
194 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
196 return to_svcpu(vcpu)->xer;
199 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
201 to_svcpu(vcpu)->ctr = val;
204 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
206 return to_svcpu(vcpu)->ctr;
209 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
211 to_svcpu(vcpu)->lr = val;
214 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
216 return to_svcpu(vcpu)->lr;
219 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
221 to_svcpu(vcpu)->pc = val;
224 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
226 return to_svcpu(vcpu)->pc;
229 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
231 ulong pc = kvmppc_get_pc(vcpu);
232 struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
234 /* Load the instruction manually if it failed to do so in the
236 if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
237 kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
239 return svcpu->last_inst;
242 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
244 return to_svcpu(vcpu)->fault_dar;
247 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
248 * instruction for the OSI hypercalls */
249 #define OSI_SC_MAGIC_R3 0x113724FA
250 #define OSI_SC_MAGIC_R4 0x77810F9B
252 #define INS_DCBZ 0x7c0007ec
254 /* Also add subarch specific defines */
256 #ifdef CONFIG_PPC_BOOK3S_32
257 #include <asm/kvm_book3s_32.h>
259 #include <asm/kvm_book3s_64.h>
262 #endif /* __ASM_KVM_BOOK3S_H__ */