kvm_ppc.h revision b52a638c391c5c7b013180f5374274698b8535c8 
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 IBM Corp. 2008
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __POWERPC_KVM_PPC_H__
21#define __POWERPC_KVM_PPC_H__
22
23/* This file exists just so we can dereference kvm_vcpu, avoiding nested header
24 * dependencies. */
25
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
32enum 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 */
37};
38
39extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
40extern char kvmppc_handlers_start[];
41extern unsigned long kvmppc_handler_len;
42
43extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
44extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
45                              unsigned int rt, unsigned int bytes,
46                              int is_bigendian);
47extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
48                               u32 val, unsigned int bytes, int is_bigendian);
49
50extern int kvmppc_emulate_instruction(struct kvm_run *run,
51                                      struct kvm_vcpu *vcpu);
52extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
53extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
54
55/* Core-specific hooks */
56
57extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
58                           unsigned int gtlb_idx);
59extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
60extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
61extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
62extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
63extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
64extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
65                              gva_t eaddr);
66extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
67extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
68
69extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
70                                                unsigned int id);
71extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
72extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
73extern int kvmppc_core_check_processor_compat(void);
74extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
75                                      struct kvm_translation *tr);
76
77extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
78extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
79
80extern void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu);
81extern void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu);
82
83extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
84extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
85extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu);
86extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
87extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
88                                       struct kvm_interrupt *irq);
89
90extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
91                                  unsigned int op, int *advance);
92extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
93extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
94
95extern int kvmppc_booke_init(void);
96extern void kvmppc_booke_exit(void);
97
98extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
99
100#endif /* __POWERPC_KVM_PPC_H__ */
101