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1 | 05330448 | aliguori | /*
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2 | 05330448 | aliguori | * QEMU KVM support
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3 | 05330448 | aliguori | *
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4 | 05330448 | aliguori | * Copyright IBM, Corp. 2008
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5 | 05330448 | aliguori | *
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6 | 05330448 | aliguori | * Authors:
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7 | 05330448 | aliguori | * Anthony Liguori <aliguori@us.ibm.com>
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8 | 05330448 | aliguori | *
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9 | 05330448 | aliguori | * This work is licensed under the terms of the GNU GPL, version 2 or later.
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10 | 05330448 | aliguori | * See the COPYING file in the top-level directory.
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11 | 05330448 | aliguori | *
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12 | 05330448 | aliguori | */
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13 | 05330448 | aliguori | |
14 | 05330448 | aliguori | #ifndef QEMU_KVM_H
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15 | 05330448 | aliguori | #define QEMU_KVM_H
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16 | 05330448 | aliguori | |
17 | ca821806 | Michael S. Tsirkin | #include <stdbool.h> |
18 | ca821806 | Michael S. Tsirkin | #include <errno.h> |
19 | 1c14f162 | Blue Swirl | #include "config-host.h" |
20 | 72cf2d4f | Blue Swirl | #include "qemu-queue.h" |
21 | 05330448 | aliguori | |
22 | ca821806 | Michael S. Tsirkin | #ifdef CONFIG_KVM
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23 | ca821806 | Michael S. Tsirkin | #include <linux/kvm.h> |
24 | ca821806 | Michael S. Tsirkin | #endif
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25 | 05330448 | aliguori | |
26 | ca821806 | Michael S. Tsirkin | extern int kvm_allowed; |
27 | 98c8573e | Paolo Bonzini | |
28 | 98c8573e | Paolo Bonzini | #if defined CONFIG_KVM || !defined NEED_CPU_H
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29 | 05330448 | aliguori | #define kvm_enabled() (kvm_allowed)
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30 | 05330448 | aliguori | #else
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31 | 05330448 | aliguori | #define kvm_enabled() (0) |
32 | 05330448 | aliguori | #endif
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33 | 05330448 | aliguori | |
34 | 05330448 | aliguori | struct kvm_run;
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35 | 05330448 | aliguori | |
36 | 05330448 | aliguori | /* external API */
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37 | 05330448 | aliguori | |
38 | 05330448 | aliguori | int kvm_init(int smp_cpus); |
39 | 05330448 | aliguori | |
40 | 00a1555e | Paolo Bonzini | int kvm_has_sync_mmu(void); |
41 | 00a1555e | Paolo Bonzini | int kvm_has_vcpu_events(void); |
42 | 00a1555e | Paolo Bonzini | int kvm_has_robust_singlestep(void); |
43 | ff44f1a3 | Jan Kiszka | int kvm_has_debugregs(void); |
44 | 00a1555e | Paolo Bonzini | |
45 | 1c14f162 | Blue Swirl | #ifdef NEED_CPU_H
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46 | 05330448 | aliguori | int kvm_init_vcpu(CPUState *env);
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47 | 05330448 | aliguori | |
48 | 05330448 | aliguori | int kvm_cpu_exec(CPUState *env);
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49 | 05330448 | aliguori | |
50 | b3755a91 | Paul Brook | #if !defined(CONFIG_USER_ONLY)
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51 | c227f099 | Anthony Liguori | int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size);
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52 | c227f099 | Anthony Liguori | int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size);
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53 | bd322087 | aliguori | |
54 | 6f0437e8 | Jan Kiszka | void kvm_setup_guest_memory(void *start, size_t size); |
55 | 6f0437e8 | Jan Kiszka | |
56 | c227f099 | Anthony Liguori | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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57 | c227f099 | Anthony Liguori | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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58 | 62a2744c | Sheng Yang | void kvm_flush_coalesced_mmio_buffer(void); |
59 | b3755a91 | Paul Brook | #endif
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60 | f65ed4c1 | aliguori | |
61 | e22a25c9 | aliguori | int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
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62 | e22a25c9 | aliguori | target_ulong len, int type);
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63 | e22a25c9 | aliguori | int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
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64 | e22a25c9 | aliguori | target_ulong len, int type);
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65 | e22a25c9 | aliguori | void kvm_remove_all_breakpoints(CPUState *current_env);
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66 | e22a25c9 | aliguori | int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); |
67 | 20c20526 | Blue Swirl | #ifndef _WIN32
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68 | cc84de95 | Marcelo Tosatti | int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); |
69 | 20c20526 | Blue Swirl | #endif
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70 | e22a25c9 | aliguori | |
71 | 6f725c13 | Glauber Costa | int kvm_pit_in_kernel(void); |
72 | 6f725c13 | Glauber Costa | int kvm_irqchip_in_kernel(void); |
73 | 6f725c13 | Glauber Costa | |
74 | 05330448 | aliguori | /* internal API */
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75 | 05330448 | aliguori | |
76 | 05330448 | aliguori | struct KVMState;
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77 | 05330448 | aliguori | typedef struct KVMState KVMState; |
78 | 05330448 | aliguori | |
79 | 984b5181 | aliguori | int kvm_ioctl(KVMState *s, int type, ...); |
80 | 05330448 | aliguori | |
81 | 984b5181 | aliguori | int kvm_vm_ioctl(KVMState *s, int type, ...); |
82 | 05330448 | aliguori | |
83 | 984b5181 | aliguori | int kvm_vcpu_ioctl(CPUState *env, int type, ...); |
84 | 05330448 | aliguori | |
85 | 05330448 | aliguori | /* Arch specific hooks */
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86 | 05330448 | aliguori | |
87 | 05330448 | aliguori | int kvm_arch_post_run(CPUState *env, struct kvm_run *run); |
88 | 05330448 | aliguori | |
89 | 05330448 | aliguori | int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); |
90 | 05330448 | aliguori | |
91 | 05330448 | aliguori | int kvm_arch_pre_run(CPUState *env, struct kvm_run *run); |
92 | 05330448 | aliguori | |
93 | 0af691d7 | Marcelo Tosatti | int kvm_arch_process_irqchip_events(CPUState *env);
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94 | 0af691d7 | Marcelo Tosatti | |
95 | 05330448 | aliguori | int kvm_arch_get_registers(CPUState *env);
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96 | 05330448 | aliguori | |
97 | ea375f9a | Jan Kiszka | /* state subset only touched by the VCPU itself during runtime */
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98 | ea375f9a | Jan Kiszka | #define KVM_PUT_RUNTIME_STATE 1 |
99 | ea375f9a | Jan Kiszka | /* state subset modified during VCPU reset */
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100 | ea375f9a | Jan Kiszka | #define KVM_PUT_RESET_STATE 2 |
101 | ea375f9a | Jan Kiszka | /* full state set, modified during initialization or on vmload */
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102 | ea375f9a | Jan Kiszka | #define KVM_PUT_FULL_STATE 3 |
103 | ea375f9a | Jan Kiszka | |
104 | ea375f9a | Jan Kiszka | int kvm_arch_put_registers(CPUState *env, int level); |
105 | 05330448 | aliguori | |
106 | 05330448 | aliguori | int kvm_arch_init(KVMState *s, int smp_cpus); |
107 | 05330448 | aliguori | |
108 | 05330448 | aliguori | int kvm_arch_init_vcpu(CPUState *env);
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109 | 05330448 | aliguori | |
110 | caa5af0f | Jan Kiszka | void kvm_arch_reset_vcpu(CPUState *env);
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111 | caa5af0f | Jan Kiszka | |
112 | e22a25c9 | aliguori | struct kvm_guest_debug;
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113 | e22a25c9 | aliguori | struct kvm_debug_exit_arch;
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114 | e22a25c9 | aliguori | |
115 | e22a25c9 | aliguori | struct kvm_sw_breakpoint {
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116 | e22a25c9 | aliguori | target_ulong pc; |
117 | e22a25c9 | aliguori | target_ulong saved_insn; |
118 | e22a25c9 | aliguori | int use_count;
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119 | 72cf2d4f | Blue Swirl | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
120 | e22a25c9 | aliguori | }; |
121 | e22a25c9 | aliguori | |
122 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
123 | e22a25c9 | aliguori | |
124 | e22a25c9 | aliguori | int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info); |
125 | e22a25c9 | aliguori | |
126 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
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127 | e22a25c9 | aliguori | target_ulong pc); |
128 | e22a25c9 | aliguori | |
129 | e22a25c9 | aliguori | int kvm_sw_breakpoints_active(CPUState *env);
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130 | e22a25c9 | aliguori | |
131 | e22a25c9 | aliguori | int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
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132 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *bp);
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133 | e22a25c9 | aliguori | int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
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134 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *bp);
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135 | e22a25c9 | aliguori | int kvm_arch_insert_hw_breakpoint(target_ulong addr,
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136 | e22a25c9 | aliguori | target_ulong len, int type);
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137 | e22a25c9 | aliguori | int kvm_arch_remove_hw_breakpoint(target_ulong addr,
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138 | e22a25c9 | aliguori | target_ulong len, int type);
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139 | e22a25c9 | aliguori | void kvm_arch_remove_all_hw_breakpoints(void); |
140 | e22a25c9 | aliguori | |
141 | e22a25c9 | aliguori | void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); |
142 | e22a25c9 | aliguori | |
143 | 4513d923 | Gleb Natapov | bool kvm_arch_stop_on_emulation_error(CPUState *env);
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144 | 4513d923 | Gleb Natapov | |
145 | ad7b8b33 | Anthony Liguori | int kvm_check_extension(KVMState *s, unsigned int extension); |
146 | ad7b8b33 | Anthony Liguori | |
147 | b827df58 | Avi Kivity | uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, |
148 | b827df58 | Avi Kivity | int reg);
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149 | 4c0960c0 | Avi Kivity | void kvm_cpu_synchronize_state(CPUState *env);
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150 | ea375f9a | Jan Kiszka | void kvm_cpu_synchronize_post_reset(CPUState *env);
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151 | ea375f9a | Jan Kiszka | void kvm_cpu_synchronize_post_init(CPUState *env);
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152 | b827df58 | Avi Kivity | |
153 | e22a25c9 | aliguori | /* generic hooks - to be moved/refactored once there are more users */
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154 | e22a25c9 | aliguori | |
155 | 4c0960c0 | Avi Kivity | static inline void cpu_synchronize_state(CPUState *env) |
156 | e22a25c9 | aliguori | { |
157 | e22a25c9 | aliguori | if (kvm_enabled()) {
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158 | 4c0960c0 | Avi Kivity | kvm_cpu_synchronize_state(env); |
159 | e22a25c9 | aliguori | } |
160 | e22a25c9 | aliguori | } |
161 | e22a25c9 | aliguori | |
162 | ea375f9a | Jan Kiszka | static inline void cpu_synchronize_post_reset(CPUState *env) |
163 | ea375f9a | Jan Kiszka | { |
164 | ea375f9a | Jan Kiszka | if (kvm_enabled()) {
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165 | ea375f9a | Jan Kiszka | kvm_cpu_synchronize_post_reset(env); |
166 | ea375f9a | Jan Kiszka | } |
167 | ea375f9a | Jan Kiszka | } |
168 | ea375f9a | Jan Kiszka | |
169 | ea375f9a | Jan Kiszka | static inline void cpu_synchronize_post_init(CPUState *env) |
170 | ea375f9a | Jan Kiszka | { |
171 | ea375f9a | Jan Kiszka | if (kvm_enabled()) {
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172 | ea375f9a | Jan Kiszka | kvm_cpu_synchronize_post_init(env); |
173 | ea375f9a | Jan Kiszka | } |
174 | ea375f9a | Jan Kiszka | } |
175 | ca821806 | Michael S. Tsirkin | |
176 | ca821806 | Michael S. Tsirkin | #endif
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177 | ca821806 | Michael S. Tsirkin | |
178 | 98c8573e | Paolo Bonzini | int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); |
179 | 05330448 | aliguori | #endif |