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05330448 AL |
1 | /* |
2 | * QEMU KVM support | |
3 | * | |
4 | * Copyright IBM, Corp. 2008 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | ||
14 | #ifndef QEMU_KVM_H | |
15 | #define QEMU_KVM_H | |
16 | ||
ca821806 MT |
17 | #include <stdbool.h> |
18 | #include <errno.h> | |
1c14f162 | 19 | #include "config-host.h" |
72cf2d4f | 20 | #include "qemu-queue.h" |
05330448 | 21 | |
ca821806 MT |
22 | #ifdef CONFIG_KVM |
23 | #include <linux/kvm.h> | |
24 | #endif | |
05330448 | 25 | |
ca821806 | 26 | extern int kvm_allowed; |
98c8573e PB |
27 | |
28 | #if defined CONFIG_KVM || !defined NEED_CPU_H | |
05330448 AL |
29 | #define kvm_enabled() (kvm_allowed) |
30 | #else | |
31 | #define kvm_enabled() (0) | |
32 | #endif | |
33 | ||
34 | struct kvm_run; | |
35 | ||
36 | /* external API */ | |
37 | ||
38 | int kvm_init(int smp_cpus); | |
39 | ||
00a1555e PB |
40 | int kvm_has_sync_mmu(void); |
41 | int kvm_has_vcpu_events(void); | |
42 | int kvm_has_robust_singlestep(void); | |
ff44f1a3 | 43 | int kvm_has_debugregs(void); |
00a1555e | 44 | |
1c14f162 | 45 | #ifdef NEED_CPU_H |
05330448 AL |
46 | int kvm_init_vcpu(CPUState *env); |
47 | ||
48 | int kvm_cpu_exec(CPUState *env); | |
49 | ||
b3755a91 | 50 | #if !defined(CONFIG_USER_ONLY) |
c227f099 AL |
51 | int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size); |
52 | int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size); | |
bd322087 | 53 | |
6f0437e8 JK |
54 | void kvm_setup_guest_memory(void *start, size_t size); |
55 | ||
c227f099 AL |
56 | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); |
57 | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); | |
62a2744c | 58 | void kvm_flush_coalesced_mmio_buffer(void); |
b3755a91 | 59 | #endif |
f65ed4c1 | 60 | |
e22a25c9 AL |
61 | int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr, |
62 | target_ulong len, int type); | |
63 | int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr, | |
64 | target_ulong len, int type); | |
65 | void kvm_remove_all_breakpoints(CPUState *current_env); | |
66 | int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); | |
20c20526 | 67 | #ifndef _WIN32 |
cc84de95 | 68 | int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); |
20c20526 | 69 | #endif |
e22a25c9 | 70 | |
6f725c13 GC |
71 | int kvm_pit_in_kernel(void); |
72 | int kvm_irqchip_in_kernel(void); | |
73 | ||
05330448 AL |
74 | /* internal API */ |
75 | ||
76 | struct KVMState; | |
77 | typedef struct KVMState KVMState; | |
78 | ||
984b5181 | 79 | int kvm_ioctl(KVMState *s, int type, ...); |
05330448 | 80 | |
984b5181 | 81 | int kvm_vm_ioctl(KVMState *s, int type, ...); |
05330448 | 82 | |
984b5181 | 83 | int kvm_vcpu_ioctl(CPUState *env, int type, ...); |
05330448 AL |
84 | |
85 | /* Arch specific hooks */ | |
86 | ||
87 | int kvm_arch_post_run(CPUState *env, struct kvm_run *run); | |
88 | ||
89 | int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); | |
90 | ||
91 | int kvm_arch_pre_run(CPUState *env, struct kvm_run *run); | |
92 | ||
93 | int kvm_arch_get_registers(CPUState *env); | |
94 | ||
ea375f9a JK |
95 | /* state subset only touched by the VCPU itself during runtime */ |
96 | #define KVM_PUT_RUNTIME_STATE 1 | |
97 | /* state subset modified during VCPU reset */ | |
98 | #define KVM_PUT_RESET_STATE 2 | |
99 | /* full state set, modified during initialization or on vmload */ | |
100 | #define KVM_PUT_FULL_STATE 3 | |
101 | ||
102 | int kvm_arch_put_registers(CPUState *env, int level); | |
05330448 AL |
103 | |
104 | int kvm_arch_init(KVMState *s, int smp_cpus); | |
105 | ||
106 | int kvm_arch_init_vcpu(CPUState *env); | |
107 | ||
caa5af0f JK |
108 | void kvm_arch_reset_vcpu(CPUState *env); |
109 | ||
e22a25c9 AL |
110 | struct kvm_guest_debug; |
111 | struct kvm_debug_exit_arch; | |
112 | ||
113 | struct kvm_sw_breakpoint { | |
114 | target_ulong pc; | |
115 | target_ulong saved_insn; | |
116 | int use_count; | |
72cf2d4f | 117 | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
e22a25c9 AL |
118 | }; |
119 | ||
72cf2d4f | 120 | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
e22a25c9 AL |
121 | |
122 | int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info); | |
123 | ||
124 | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env, | |
125 | target_ulong pc); | |
126 | ||
127 | int kvm_sw_breakpoints_active(CPUState *env); | |
128 | ||
129 | int kvm_arch_insert_sw_breakpoint(CPUState *current_env, | |
130 | struct kvm_sw_breakpoint *bp); | |
131 | int kvm_arch_remove_sw_breakpoint(CPUState *current_env, | |
132 | struct kvm_sw_breakpoint *bp); | |
133 | int kvm_arch_insert_hw_breakpoint(target_ulong addr, | |
134 | target_ulong len, int type); | |
135 | int kvm_arch_remove_hw_breakpoint(target_ulong addr, | |
136 | target_ulong len, int type); | |
137 | void kvm_arch_remove_all_hw_breakpoints(void); | |
138 | ||
139 | void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); | |
140 | ||
ad7b8b33 AL |
141 | int kvm_check_extension(KVMState *s, unsigned int extension); |
142 | ||
b827df58 AK |
143 | uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, |
144 | int reg); | |
4c0960c0 | 145 | void kvm_cpu_synchronize_state(CPUState *env); |
ea375f9a JK |
146 | void kvm_cpu_synchronize_post_reset(CPUState *env); |
147 | void kvm_cpu_synchronize_post_init(CPUState *env); | |
b827df58 | 148 | |
e22a25c9 AL |
149 | /* generic hooks - to be moved/refactored once there are more users */ |
150 | ||
4c0960c0 | 151 | static inline void cpu_synchronize_state(CPUState *env) |
e22a25c9 AL |
152 | { |
153 | if (kvm_enabled()) { | |
4c0960c0 | 154 | kvm_cpu_synchronize_state(env); |
e22a25c9 AL |
155 | } |
156 | } | |
157 | ||
ea375f9a JK |
158 | static inline void cpu_synchronize_post_reset(CPUState *env) |
159 | { | |
160 | if (kvm_enabled()) { | |
161 | kvm_cpu_synchronize_post_reset(env); | |
162 | } | |
163 | } | |
164 | ||
165 | static inline void cpu_synchronize_post_init(CPUState *env) | |
166 | { | |
167 | if (kvm_enabled()) { | |
168 | kvm_cpu_synchronize_post_init(env); | |
169 | } | |
170 | } | |
ca821806 | 171 | |
ca821806 MT |
172 | #endif |
173 | ||
98c8573e | 174 | int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); |
05330448 | 175 | #endif |