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 IBM Corp. 2008
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
20 #ifndef __POWERPC_KVM_PPC_H__
21 #define __POWERPC_KVM_PPC_H__
23 /* This file exists just so we can dereference kvm_vcpu, avoiding nested header
26 #include <linux/mutex.h>
27 #include <linux/timer.h>
28 #include <linux/types.h>
29 #include <linux/kvm_types.h>
30 #include <linux/kvm_host.h>
31 #ifdef CONFIG_PPC_BOOK3S
32 #include <asm/kvm_book3s.h>
35 enum emulation_result {
36 EMULATE_DONE, /* no further processing */
37 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
38 EMULATE_DO_DCR, /* kvm_run filled with DCR request */
39 EMULATE_FAIL, /* can't emulate this instruction */
42 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
43 extern char kvmppc_handlers_start[];
44 extern unsigned long kvmppc_handler_len;
45 extern void kvmppc_handler_highmem(void);
47 extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
48 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
49 unsigned int rt, unsigned int bytes,
51 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
52 u32 val, unsigned int bytes, int is_bigendian);
54 extern int kvmppc_emulate_instruction(struct kvm_run *run,
55 struct kvm_vcpu *vcpu);
56 extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
57 extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
59 /* Core-specific hooks */
61 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
62 unsigned int gtlb_idx);
63 extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
64 extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
65 extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
66 extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
67 extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
68 extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
70 extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
71 extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
73 extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
75 extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
76 extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
77 extern int kvmppc_core_check_processor_compat(void);
78 extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
79 struct kvm_translation *tr);
81 extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
82 extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
84 extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
85 extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
86 extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
87 extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
88 extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
89 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
90 struct kvm_interrupt *irq);
92 extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
93 unsigned int op, int *advance);
94 extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
95 extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
97 extern int kvmppc_booke_init(void);
98 extern void kvmppc_booke_exit(void);
100 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
102 #ifdef CONFIG_PPC_BOOK3S
104 /* We assume we're always acting on the current vcpu */
106 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
109 get_paca()->shadow_vcpu.gpr[num] = val;
110 to_book3s(vcpu)->shadow_vcpu.gpr[num] = val;
112 vcpu->arch.gpr[num] = val;
115 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
118 return get_paca()->shadow_vcpu.gpr[num];
120 return vcpu->arch.gpr[num];
123 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
125 get_paca()->shadow_vcpu.cr = val;
126 to_book3s(vcpu)->shadow_vcpu.cr = val;
129 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
131 return get_paca()->shadow_vcpu.cr;
134 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
136 get_paca()->shadow_vcpu.xer = val;
137 to_book3s(vcpu)->shadow_vcpu.xer = val;
140 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
142 return get_paca()->shadow_vcpu.xer;
147 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
149 vcpu->arch.gpr[num] = val;
152 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
154 return vcpu->arch.gpr[num];
157 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
162 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
164 return vcpu->arch.cr;
167 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
169 vcpu->arch.xer = val;
172 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
174 return vcpu->arch.xer;
179 #endif /* __POWERPC_KVM_PPC_H__ */