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>
32 enum emulation_result {
33 EMULATE_DONE, /* no further processing */
34 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
35 EMULATE_DO_DCR, /* kvm_run filled with DCR request */
36 EMULATE_FAIL, /* can't emulate this instruction */
39 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
40 extern char kvmppc_handlers_start[];
41 extern unsigned long kvmppc_handler_len;
43 extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
44 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
45 unsigned int rt, unsigned int bytes,
47 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
48 u32 val, unsigned int bytes, int is_bigendian);
50 extern int kvmppc_emulate_instruction(struct kvm_run *run,
51 struct kvm_vcpu *vcpu);
52 extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
53 extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
55 /* Core-specific hooks */
57 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
58 unsigned int gtlb_idx);
59 extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
60 extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
61 extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
62 extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
63 extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
64 extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
66 extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
67 extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
69 extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
71 extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
72 extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
73 extern int kvmppc_core_check_processor_compat(void);
74 extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
75 struct kvm_translation *tr);
77 extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
78 extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
80 extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
81 extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
82 extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu);
83 extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
84 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
85 struct kvm_interrupt *irq);
87 extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
88 unsigned int op, int *advance);
89 extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
90 extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
92 extern int kvmppc_booke_init(void);
93 extern void kvmppc_booke_exit(void);
95 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
97 #endif /* __POWERPC_KVM_PPC_H__ */