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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 |
371fefd6 PM |
36 | #ifdef CONFIG_KVM_BOOK3S_64_HANDLER |
37 | #include <asm/paca.h> | |
38 | #endif | |
bbf45ba5 | 39 | |
bbf45ba5 HB |
40 | enum emulation_result { |
41 | EMULATE_DONE, /* no further processing */ | |
42 | EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */ | |
43 | EMULATE_DO_DCR, /* kvm_run filled with DCR request */ | |
44 | EMULATE_FAIL, /* can't emulate this instruction */ | |
37f5bca6 | 45 | EMULATE_AGAIN, /* something went wrong. go again */ |
bbf45ba5 HB |
46 | }; |
47 | ||
df6909e5 | 48 | extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); |
bbf45ba5 HB |
49 | extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); |
50 | extern char kvmppc_handlers_start[]; | |
51 | extern unsigned long kvmppc_handler_len; | |
29eb61bc | 52 | extern void kvmppc_handler_highmem(void); |
bbf45ba5 HB |
53 | |
54 | extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); | |
55 | extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, | |
56 | unsigned int rt, unsigned int bytes, | |
57 | int is_bigendian); | |
3587d534 AG |
58 | extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, |
59 | unsigned int rt, unsigned int bytes, | |
60 | int is_bigendian); | |
bbf45ba5 | 61 | extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, |
b104d066 | 62 | u64 val, unsigned int bytes, int is_bigendian); |
bbf45ba5 HB |
63 | |
64 | extern int kvmppc_emulate_instruction(struct kvm_run *run, | |
65 | struct kvm_vcpu *vcpu); | |
ce263d70 | 66 | extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); |
75f74f0d | 67 | extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); |
5ce941ee | 68 | extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb); |
bbf45ba5 | 69 | |
ecc0981f HB |
70 | /* Core-specific hooks */ |
71 | ||
89168618 | 72 | extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, |
7924bd41 | 73 | unsigned int gtlb_idx); |
bbf45ba5 | 74 | extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); |
49dd2c49 | 75 | extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); |
ecc0981f | 76 | extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu); |
9cc5e953 | 77 | extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu); |
fa86b8dd HB |
78 | extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); |
79 | extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); | |
be8d1cae HB |
80 | extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index, |
81 | gva_t eaddr); | |
b52a638c HB |
82 | extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu); |
83 | extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu); | |
9dd921cf | 84 | |
db93f574 HB |
85 | extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, |
86 | unsigned int id); | |
87 | extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); | |
5cbb5106 | 88 | extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); |
9dd921cf | 89 | extern int kvmppc_core_check_processor_compat(void); |
5cbb5106 HB |
90 | extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, |
91 | struct kvm_translation *tr); | |
9dd921cf HB |
92 | |
93 | extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu); | |
94 | extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); | |
95 | ||
9dd921cf HB |
96 | extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu); |
97 | extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); | |
25a8a02d | 98 | extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); |
9dd921cf | 99 | extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); |
7706664d | 100 | extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); |
9dd921cf HB |
101 | extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, |
102 | struct kvm_interrupt *irq); | |
18978768 AG |
103 | extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu, |
104 | struct kvm_interrupt *irq); | |
9dd921cf | 105 | |
75f74f0d HB |
106 | extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, |
107 | unsigned int op, int *advance); | |
108 | extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs); | |
109 | extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt); | |
110 | ||
db93f574 HB |
111 | extern int kvmppc_booke_init(void); |
112 | extern void kvmppc_booke_exit(void); | |
113 | ||
c30f8a6c | 114 | extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); |
2a342ed5 | 115 | extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu); |
a4cd8b23 | 116 | extern void kvmppc_map_magic(struct kvm_vcpu *vcpu); |
c30f8a6c | 117 | |
de56a948 PM |
118 | extern long kvmppc_alloc_hpt(struct kvm *kvm); |
119 | extern void kvmppc_free_hpt(struct kvm *kvm); | |
120 | extern long kvmppc_prepare_vrma(struct kvm *kvm, | |
121 | struct kvm_userspace_memory_region *mem); | |
122 | extern void kvmppc_map_vrma(struct kvm *kvm, | |
123 | struct kvm_userspace_memory_region *mem); | |
a8606e20 | 124 | extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu); |
54738c09 DG |
125 | extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, |
126 | struct kvm_create_spapr_tce *args); | |
aa04b4cc PM |
127 | extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, |
128 | struct kvm_allocate_rma *rma); | |
129 | extern struct kvmppc_rma_info *kvm_alloc_rma(void); | |
130 | extern void kvm_release_rma(struct kvmppc_rma_info *ri); | |
f9e0554d PM |
131 | extern int kvmppc_core_init_vm(struct kvm *kvm); |
132 | extern void kvmppc_core_destroy_vm(struct kvm *kvm); | |
133 | extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, | |
134 | struct kvm_userspace_memory_region *mem); | |
135 | extern void kvmppc_core_commit_memory_region(struct kvm *kvm, | |
136 | struct kvm_userspace_memory_region *mem); | |
137 | ||
0564ee8a AG |
138 | /* |
139 | * Cuts out inst bits with ordering according to spec. | |
140 | * That means the leftmost bit is zero. All given bits are included. | |
141 | */ | |
142 | static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb) | |
143 | { | |
144 | u32 r; | |
145 | u32 mask; | |
146 | ||
147 | BUG_ON(msb > lsb); | |
148 | ||
149 | mask = (1 << (lsb - msb + 1)) - 1; | |
150 | r = (inst >> (63 - lsb)) & mask; | |
151 | ||
152 | return r; | |
153 | } | |
154 | ||
155 | /* | |
156 | * Replaces inst bits with ordering according to spec. | |
157 | */ | |
158 | static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) | |
159 | { | |
160 | u32 r; | |
161 | u32 mask; | |
162 | ||
163 | BUG_ON(msb > lsb); | |
164 | ||
165 | mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb); | |
166 | r = (inst & ~mask) | ((value << (63 - lsb)) & mask); | |
167 | ||
168 | return r; | |
169 | } | |
170 | ||
5ce941ee SW |
171 | void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); |
172 | int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); | |
173 | ||
174 | void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); | |
175 | int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); | |
176 | ||
177 | void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); | |
178 | ||
371fefd6 PM |
179 | #ifdef CONFIG_KVM_BOOK3S_64_HV |
180 | static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) | |
181 | { | |
182 | paca[cpu].kvm_hstate.xics_phys = addr; | |
183 | } | |
aa04b4cc PM |
184 | |
185 | extern void kvm_rma_init(void); | |
186 | ||
371fefd6 PM |
187 | #else |
188 | static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) | |
189 | {} | |
aa04b4cc PM |
190 | |
191 | static inline void kvm_rma_init(void) | |
192 | {} | |
371fefd6 PM |
193 | #endif |
194 | ||
bbf45ba5 | 195 | #endif /* __POWERPC_KVM_PPC_H__ */ |