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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); | |
43 | ||
1c14f162 | 44 | #ifdef NEED_CPU_H |
05330448 AL |
45 | int kvm_init_vcpu(CPUState *env); |
46 | ||
47 | int kvm_cpu_exec(CPUState *env); | |
48 | ||
b3755a91 | 49 | #if !defined(CONFIG_USER_ONLY) |
c227f099 AL |
50 | int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size); |
51 | int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size); | |
bd322087 | 52 | |
6f0437e8 JK |
53 | void kvm_setup_guest_memory(void *start, size_t size); |
54 | ||
c227f099 AL |
55 | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); |
56 | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); | |
62a2744c | 57 | void kvm_flush_coalesced_mmio_buffer(void); |
b3755a91 | 58 | #endif |
f65ed4c1 | 59 | |
e22a25c9 AL |
60 | int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr, |
61 | target_ulong len, int type); | |
62 | int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr, | |
63 | target_ulong len, int type); | |
64 | void kvm_remove_all_breakpoints(CPUState *current_env); | |
65 | int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); | |
20c20526 | 66 | #ifndef _WIN32 |
cc84de95 | 67 | int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); |
20c20526 | 68 | #endif |
e22a25c9 | 69 | |
6f725c13 GC |
70 | int kvm_pit_in_kernel(void); |
71 | int kvm_irqchip_in_kernel(void); | |
72 | ||
05330448 AL |
73 | /* internal API */ |
74 | ||
75 | struct KVMState; | |
76 | typedef struct KVMState KVMState; | |
77 | ||
984b5181 | 78 | int kvm_ioctl(KVMState *s, int type, ...); |
05330448 | 79 | |
984b5181 | 80 | int kvm_vm_ioctl(KVMState *s, int type, ...); |
05330448 | 81 | |
984b5181 | 82 | int kvm_vcpu_ioctl(CPUState *env, int type, ...); |
05330448 AL |
83 | |
84 | /* Arch specific hooks */ | |
85 | ||
86 | int kvm_arch_post_run(CPUState *env, struct kvm_run *run); | |
87 | ||
88 | int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); | |
89 | ||
90 | int kvm_arch_pre_run(CPUState *env, struct kvm_run *run); | |
91 | ||
92 | int kvm_arch_get_registers(CPUState *env); | |
93 | ||
ea375f9a JK |
94 | /* state subset only touched by the VCPU itself during runtime */ |
95 | #define KVM_PUT_RUNTIME_STATE 1 | |
96 | /* state subset modified during VCPU reset */ | |
97 | #define KVM_PUT_RESET_STATE 2 | |
98 | /* full state set, modified during initialization or on vmload */ | |
99 | #define KVM_PUT_FULL_STATE 3 | |
100 | ||
101 | int kvm_arch_put_registers(CPUState *env, int level); | |
05330448 AL |
102 | |
103 | int kvm_arch_init(KVMState *s, int smp_cpus); | |
104 | ||
105 | int kvm_arch_init_vcpu(CPUState *env); | |
106 | ||
caa5af0f JK |
107 | void kvm_arch_reset_vcpu(CPUState *env); |
108 | ||
e22a25c9 AL |
109 | struct kvm_guest_debug; |
110 | struct kvm_debug_exit_arch; | |
111 | ||
112 | struct kvm_sw_breakpoint { | |
113 | target_ulong pc; | |
114 | target_ulong saved_insn; | |
115 | int use_count; | |
72cf2d4f | 116 | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
e22a25c9 AL |
117 | }; |
118 | ||
72cf2d4f | 119 | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
e22a25c9 AL |
120 | |
121 | int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info); | |
122 | ||
123 | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env, | |
124 | target_ulong pc); | |
125 | ||
126 | int kvm_sw_breakpoints_active(CPUState *env); | |
127 | ||
128 | int kvm_arch_insert_sw_breakpoint(CPUState *current_env, | |
129 | struct kvm_sw_breakpoint *bp); | |
130 | int kvm_arch_remove_sw_breakpoint(CPUState *current_env, | |
131 | struct kvm_sw_breakpoint *bp); | |
132 | int kvm_arch_insert_hw_breakpoint(target_ulong addr, | |
133 | target_ulong len, int type); | |
134 | int kvm_arch_remove_hw_breakpoint(target_ulong addr, | |
135 | target_ulong len, int type); | |
136 | void kvm_arch_remove_all_hw_breakpoints(void); | |
137 | ||
138 | void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); | |
139 | ||
ad7b8b33 AL |
140 | int kvm_check_extension(KVMState *s, unsigned int extension); |
141 | ||
b827df58 AK |
142 | uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, |
143 | int reg); | |
4c0960c0 | 144 | void kvm_cpu_synchronize_state(CPUState *env); |
ea375f9a JK |
145 | void kvm_cpu_synchronize_post_reset(CPUState *env); |
146 | void kvm_cpu_synchronize_post_init(CPUState *env); | |
b827df58 | 147 | |
e22a25c9 AL |
148 | /* generic hooks - to be moved/refactored once there are more users */ |
149 | ||
4c0960c0 | 150 | static inline void cpu_synchronize_state(CPUState *env) |
e22a25c9 AL |
151 | { |
152 | if (kvm_enabled()) { | |
4c0960c0 | 153 | kvm_cpu_synchronize_state(env); |
e22a25c9 AL |
154 | } |
155 | } | |
156 | ||
ea375f9a JK |
157 | static inline void cpu_synchronize_post_reset(CPUState *env) |
158 | { | |
159 | if (kvm_enabled()) { | |
160 | kvm_cpu_synchronize_post_reset(env); | |
161 | } | |
162 | } | |
163 | ||
164 | static inline void cpu_synchronize_post_init(CPUState *env) | |
165 | { | |
166 | if (kvm_enabled()) { | |
167 | kvm_cpu_synchronize_post_init(env); | |
168 | } | |
169 | } | |
ca821806 | 170 | |
ca821806 MT |
171 | #endif |
172 | ||
98c8573e | 173 | int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); |
05330448 | 174 | #endif |