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bbf45ba5 HB |
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> | |
1c0006d8 AG |
31 | #ifdef CONFIG_PPC_BOOK3S |
32 | #include <asm/kvm_book3s.h> | |
c7f38f46 AG |
33 | #else |
34 | #include <asm/kvm_booke.h> | |
1c0006d8 | 35 | #endif |
bbf45ba5 | 36 | |
bbf45ba5 HB |
37 | enum emulation_result { |
38 | EMULATE_DONE, /* no further processing */ | |
39 | EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */ | |
40 | EMULATE_DO_DCR, /* kvm_run filled with DCR request */ | |
41 | EMULATE_FAIL, /* can't emulate this instruction */ | |
37f5bca6 | 42 | EMULATE_AGAIN, /* something went wrong. go again */ |
bbf45ba5 HB |
43 | }; |
44 | ||
bbf45ba5 HB |
45 | extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); |
46 | extern char kvmppc_handlers_start[]; | |
47 | extern unsigned long kvmppc_handler_len; | |
29eb61bc | 48 | extern void kvmppc_handler_highmem(void); |
bbf45ba5 HB |
49 | |
50 | extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); | |
51 | extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, | |
52 | unsigned int rt, unsigned int bytes, | |
53 | int is_bigendian); | |
3587d534 AG |
54 | extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, |
55 | unsigned int rt, unsigned int bytes, | |
56 | int is_bigendian); | |
bbf45ba5 | 57 | extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, |
b104d066 | 58 | u64 val, unsigned int bytes, int is_bigendian); |
bbf45ba5 HB |
59 | |
60 | extern int kvmppc_emulate_instruction(struct kvm_run *run, | |
61 | struct kvm_vcpu *vcpu); | |
ce263d70 | 62 | extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); |
75f74f0d | 63 | extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); |
5ce941ee | 64 | extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb); |
bbf45ba5 | 65 | |
ecc0981f HB |
66 | /* Core-specific hooks */ |
67 | ||
89168618 | 68 | extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, |
7924bd41 | 69 | unsigned int gtlb_idx); |
bbf45ba5 | 70 | extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); |
49dd2c49 | 71 | extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); |
ecc0981f | 72 | extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu); |
9cc5e953 | 73 | extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu); |
fa86b8dd HB |
74 | extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); |
75 | extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); | |
be8d1cae HB |
76 | extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index, |
77 | gva_t eaddr); | |
b52a638c HB |
78 | extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu); |
79 | extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu); | |
9dd921cf | 80 | |
db93f574 HB |
81 | extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, |
82 | unsigned int id); | |
83 | extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); | |
5cbb5106 | 84 | extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); |
9dd921cf | 85 | extern int kvmppc_core_check_processor_compat(void); |
5cbb5106 HB |
86 | extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, |
87 | struct kvm_translation *tr); | |
9dd921cf HB |
88 | |
89 | extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu); | |
90 | extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); | |
91 | ||
9dd921cf HB |
92 | extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu); |
93 | extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); | |
25a8a02d | 94 | extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); |
9dd921cf | 95 | extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); |
7706664d | 96 | extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); |
9dd921cf HB |
97 | extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, |
98 | struct kvm_interrupt *irq); | |
18978768 AG |
99 | extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu, |
100 | struct kvm_interrupt *irq); | |
9dd921cf | 101 | |
75f74f0d HB |
102 | extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, |
103 | unsigned int op, int *advance); | |
104 | extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs); | |
105 | extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt); | |
106 | ||
db93f574 HB |
107 | extern int kvmppc_booke_init(void); |
108 | extern void kvmppc_booke_exit(void); | |
109 | ||
c30f8a6c | 110 | extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); |
2a342ed5 | 111 | extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu); |
a4cd8b23 | 112 | extern void kvmppc_map_magic(struct kvm_vcpu *vcpu); |
c30f8a6c | 113 | |
0564ee8a AG |
114 | /* |
115 | * Cuts out inst bits with ordering according to spec. | |
116 | * That means the leftmost bit is zero. All given bits are included. | |
117 | */ | |
118 | static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb) | |
119 | { | |
120 | u32 r; | |
121 | u32 mask; | |
122 | ||
123 | BUG_ON(msb > lsb); | |
124 | ||
125 | mask = (1 << (lsb - msb + 1)) - 1; | |
126 | r = (inst >> (63 - lsb)) & mask; | |
127 | ||
128 | return r; | |
129 | } | |
130 | ||
131 | /* | |
132 | * Replaces inst bits with ordering according to spec. | |
133 | */ | |
134 | static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) | |
135 | { | |
136 | u32 r; | |
137 | u32 mask; | |
138 | ||
139 | BUG_ON(msb > lsb); | |
140 | ||
141 | mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb); | |
142 | r = (inst & ~mask) | ((value << (63 - lsb)) & mask); | |
143 | ||
144 | return r; | |
145 | } | |
146 | ||
5ce941ee SW |
147 | void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); |
148 | int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); | |
149 | ||
150 | void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); | |
151 | int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); | |
152 | ||
153 | void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); | |
154 | ||
bbf45ba5 | 155 | #endif /* __POWERPC_KVM_PPC_H__ */ |