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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 | ||
17 | #include "config.h" | |
72cf2d4f | 18 | #include "qemu-queue.h" |
05330448 AL |
19 | |
20 | #ifdef CONFIG_KVM | |
21 | extern int kvm_allowed; | |
22 | ||
23 | #define kvm_enabled() (kvm_allowed) | |
24 | #else | |
25 | #define kvm_enabled() (0) | |
26 | #endif | |
27 | ||
28 | struct kvm_run; | |
29 | ||
30 | /* external API */ | |
31 | ||
32 | int kvm_init(int smp_cpus); | |
33 | ||
34 | int kvm_init_vcpu(CPUState *env); | |
35 | ||
36 | int kvm_cpu_exec(CPUState *env); | |
37 | ||
b3755a91 | 38 | #if !defined(CONFIG_USER_ONLY) |
c227f099 AL |
39 | int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size); |
40 | int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size); | |
bd322087 AL |
41 | |
42 | int kvm_has_sync_mmu(void); | |
a0fb002c | 43 | int kvm_has_vcpu_events(void); |
b0b1d690 | 44 | int kvm_has_robust_singlestep(void); |
bd322087 | 45 | |
6f0437e8 JK |
46 | void kvm_setup_guest_memory(void *start, size_t size); |
47 | ||
c227f099 AL |
48 | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); |
49 | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); | |
62a2744c | 50 | void kvm_flush_coalesced_mmio_buffer(void); |
b3755a91 | 51 | #endif |
f65ed4c1 | 52 | |
e22a25c9 AL |
53 | int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr, |
54 | target_ulong len, int type); | |
55 | int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr, | |
56 | target_ulong len, int type); | |
57 | void kvm_remove_all_breakpoints(CPUState *current_env); | |
58 | int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); | |
20c20526 | 59 | #ifndef _WIN32 |
cc84de95 | 60 | int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); |
20c20526 | 61 | #endif |
e22a25c9 | 62 | |
6f725c13 GC |
63 | int kvm_pit_in_kernel(void); |
64 | int kvm_irqchip_in_kernel(void); | |
65 | ||
05330448 AL |
66 | /* internal API */ |
67 | ||
68 | struct KVMState; | |
69 | typedef struct KVMState KVMState; | |
70 | ||
984b5181 | 71 | int kvm_ioctl(KVMState *s, int type, ...); |
05330448 | 72 | |
984b5181 | 73 | int kvm_vm_ioctl(KVMState *s, int type, ...); |
05330448 | 74 | |
984b5181 | 75 | int kvm_vcpu_ioctl(CPUState *env, int type, ...); |
05330448 AL |
76 | |
77 | /* Arch specific hooks */ | |
78 | ||
79 | int kvm_arch_post_run(CPUState *env, struct kvm_run *run); | |
80 | ||
81 | int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); | |
82 | ||
83 | int kvm_arch_pre_run(CPUState *env, struct kvm_run *run); | |
84 | ||
85 | int kvm_arch_get_registers(CPUState *env); | |
86 | ||
ea375f9a JK |
87 | /* state subset only touched by the VCPU itself during runtime */ |
88 | #define KVM_PUT_RUNTIME_STATE 1 | |
89 | /* state subset modified during VCPU reset */ | |
90 | #define KVM_PUT_RESET_STATE 2 | |
91 | /* full state set, modified during initialization or on vmload */ | |
92 | #define KVM_PUT_FULL_STATE 3 | |
93 | ||
94 | int kvm_arch_put_registers(CPUState *env, int level); | |
05330448 AL |
95 | |
96 | int kvm_arch_init(KVMState *s, int smp_cpus); | |
97 | ||
98 | int kvm_arch_init_vcpu(CPUState *env); | |
99 | ||
caa5af0f JK |
100 | void kvm_arch_reset_vcpu(CPUState *env); |
101 | ||
e22a25c9 AL |
102 | struct kvm_guest_debug; |
103 | struct kvm_debug_exit_arch; | |
104 | ||
105 | struct kvm_sw_breakpoint { | |
106 | target_ulong pc; | |
107 | target_ulong saved_insn; | |
108 | int use_count; | |
72cf2d4f | 109 | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
e22a25c9 AL |
110 | }; |
111 | ||
72cf2d4f | 112 | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
e22a25c9 AL |
113 | |
114 | int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info); | |
115 | ||
116 | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env, | |
117 | target_ulong pc); | |
118 | ||
119 | int kvm_sw_breakpoints_active(CPUState *env); | |
120 | ||
121 | int kvm_arch_insert_sw_breakpoint(CPUState *current_env, | |
122 | struct kvm_sw_breakpoint *bp); | |
123 | int kvm_arch_remove_sw_breakpoint(CPUState *current_env, | |
124 | struct kvm_sw_breakpoint *bp); | |
125 | int kvm_arch_insert_hw_breakpoint(target_ulong addr, | |
126 | target_ulong len, int type); | |
127 | int kvm_arch_remove_hw_breakpoint(target_ulong addr, | |
128 | target_ulong len, int type); | |
129 | void kvm_arch_remove_all_hw_breakpoints(void); | |
130 | ||
131 | void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); | |
132 | ||
ad7b8b33 AL |
133 | int kvm_check_extension(KVMState *s, unsigned int extension); |
134 | ||
b827df58 AK |
135 | uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, |
136 | int reg); | |
4c0960c0 | 137 | void kvm_cpu_synchronize_state(CPUState *env); |
ea375f9a JK |
138 | void kvm_cpu_synchronize_post_reset(CPUState *env); |
139 | void kvm_cpu_synchronize_post_init(CPUState *env); | |
b827df58 | 140 | |
e22a25c9 AL |
141 | /* generic hooks - to be moved/refactored once there are more users */ |
142 | ||
4c0960c0 | 143 | static inline void cpu_synchronize_state(CPUState *env) |
e22a25c9 AL |
144 | { |
145 | if (kvm_enabled()) { | |
4c0960c0 | 146 | kvm_cpu_synchronize_state(env); |
e22a25c9 AL |
147 | } |
148 | } | |
149 | ||
ea375f9a JK |
150 | static inline void cpu_synchronize_post_reset(CPUState *env) |
151 | { | |
152 | if (kvm_enabled()) { | |
153 | kvm_cpu_synchronize_post_reset(env); | |
154 | } | |
155 | } | |
156 | ||
157 | static inline void cpu_synchronize_post_init(CPUState *env) | |
158 | { | |
159 | if (kvm_enabled()) { | |
160 | kvm_cpu_synchronize_post_init(env); | |
161 | } | |
162 | } | |
163 | ||
05330448 | 164 | #endif |