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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 | 1c14f162 | Blue Swirl | #ifdef CONFIG_KVM
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27 | ca821806 | Michael S. Tsirkin | extern int kvm_allowed; |
28 | 05330448 | aliguori | #define kvm_enabled() (kvm_allowed)
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29 | 05330448 | aliguori | #else
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30 | 05330448 | aliguori | #define kvm_enabled() (0) |
31 | 05330448 | aliguori | #endif
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32 | 05330448 | aliguori | |
33 | 05330448 | aliguori | struct kvm_run;
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34 | 05330448 | aliguori | |
35 | 05330448 | aliguori | /* external API */
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36 | 05330448 | aliguori | |
37 | 05330448 | aliguori | int kvm_init(int smp_cpus); |
38 | 05330448 | aliguori | |
39 | 1c14f162 | Blue Swirl | #ifdef NEED_CPU_H
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40 | 05330448 | aliguori | int kvm_init_vcpu(CPUState *env);
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41 | 05330448 | aliguori | |
42 | 05330448 | aliguori | int kvm_cpu_exec(CPUState *env);
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43 | 05330448 | aliguori | |
44 | b3755a91 | Paul Brook | #if !defined(CONFIG_USER_ONLY)
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45 | c227f099 | Anthony Liguori | int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size);
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46 | c227f099 | Anthony Liguori | int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size);
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47 | bd322087 | aliguori | |
48 | bd322087 | aliguori | int kvm_has_sync_mmu(void); |
49 | a0fb002c | Jan Kiszka | int kvm_has_vcpu_events(void); |
50 | b0b1d690 | Jan Kiszka | int kvm_has_robust_singlestep(void); |
51 | bd322087 | aliguori | |
52 | 6f0437e8 | Jan Kiszka | void kvm_setup_guest_memory(void *start, size_t size); |
53 | 6f0437e8 | Jan Kiszka | |
54 | c227f099 | Anthony Liguori | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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55 | c227f099 | Anthony Liguori | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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56 | 62a2744c | Sheng Yang | void kvm_flush_coalesced_mmio_buffer(void); |
57 | b3755a91 | Paul Brook | #endif
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58 | f65ed4c1 | aliguori | |
59 | e22a25c9 | aliguori | int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
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60 | e22a25c9 | aliguori | target_ulong len, int type);
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61 | e22a25c9 | aliguori | int kvm_remove_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 | void kvm_remove_all_breakpoints(CPUState *current_env);
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64 | e22a25c9 | aliguori | int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); |
65 | 20c20526 | Blue Swirl | #ifndef _WIN32
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66 | cc84de95 | Marcelo Tosatti | int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); |
67 | 20c20526 | Blue Swirl | #endif
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68 | e22a25c9 | aliguori | |
69 | 6f725c13 | Glauber Costa | int kvm_pit_in_kernel(void); |
70 | 6f725c13 | Glauber Costa | int kvm_irqchip_in_kernel(void); |
71 | 6f725c13 | Glauber Costa | |
72 | 05330448 | aliguori | /* internal API */
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73 | 05330448 | aliguori | |
74 | 05330448 | aliguori | struct KVMState;
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75 | 05330448 | aliguori | typedef struct KVMState KVMState; |
76 | 05330448 | aliguori | |
77 | 984b5181 | aliguori | int kvm_ioctl(KVMState *s, int type, ...); |
78 | 05330448 | aliguori | |
79 | 984b5181 | aliguori | int kvm_vm_ioctl(KVMState *s, int type, ...); |
80 | 05330448 | aliguori | |
81 | 984b5181 | aliguori | int kvm_vcpu_ioctl(CPUState *env, int type, ...); |
82 | 05330448 | aliguori | |
83 | 05330448 | aliguori | /* Arch specific hooks */
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84 | 05330448 | aliguori | |
85 | 05330448 | aliguori | int kvm_arch_post_run(CPUState *env, struct kvm_run *run); |
86 | 05330448 | aliguori | |
87 | 05330448 | aliguori | int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); |
88 | 05330448 | aliguori | |
89 | 05330448 | aliguori | int kvm_arch_pre_run(CPUState *env, struct kvm_run *run); |
90 | 05330448 | aliguori | |
91 | 05330448 | aliguori | int kvm_arch_get_registers(CPUState *env);
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92 | 05330448 | aliguori | |
93 | ea375f9a | Jan Kiszka | /* state subset only touched by the VCPU itself during runtime */
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94 | ea375f9a | Jan Kiszka | #define KVM_PUT_RUNTIME_STATE 1 |
95 | ea375f9a | Jan Kiszka | /* state subset modified during VCPU reset */
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96 | ea375f9a | Jan Kiszka | #define KVM_PUT_RESET_STATE 2 |
97 | ea375f9a | Jan Kiszka | /* full state set, modified during initialization or on vmload */
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98 | ea375f9a | Jan Kiszka | #define KVM_PUT_FULL_STATE 3 |
99 | ea375f9a | Jan Kiszka | |
100 | ea375f9a | Jan Kiszka | int kvm_arch_put_registers(CPUState *env, int level); |
101 | 05330448 | aliguori | |
102 | 05330448 | aliguori | int kvm_arch_init(KVMState *s, int smp_cpus); |
103 | 05330448 | aliguori | |
104 | 05330448 | aliguori | int kvm_arch_init_vcpu(CPUState *env);
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105 | 05330448 | aliguori | |
106 | caa5af0f | Jan Kiszka | void kvm_arch_reset_vcpu(CPUState *env);
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107 | caa5af0f | Jan Kiszka | |
108 | e22a25c9 | aliguori | struct kvm_guest_debug;
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109 | e22a25c9 | aliguori | struct kvm_debug_exit_arch;
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110 | e22a25c9 | aliguori | |
111 | e22a25c9 | aliguori | struct kvm_sw_breakpoint {
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112 | e22a25c9 | aliguori | target_ulong pc; |
113 | e22a25c9 | aliguori | target_ulong saved_insn; |
114 | e22a25c9 | aliguori | int use_count;
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115 | 72cf2d4f | Blue Swirl | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
116 | e22a25c9 | aliguori | }; |
117 | e22a25c9 | aliguori | |
118 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
119 | e22a25c9 | aliguori | |
120 | e22a25c9 | aliguori | int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info); |
121 | e22a25c9 | aliguori | |
122 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
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123 | e22a25c9 | aliguori | target_ulong pc); |
124 | e22a25c9 | aliguori | |
125 | e22a25c9 | aliguori | int kvm_sw_breakpoints_active(CPUState *env);
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126 | e22a25c9 | aliguori | |
127 | e22a25c9 | aliguori | int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
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128 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *bp);
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129 | e22a25c9 | aliguori | int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
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130 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *bp);
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131 | e22a25c9 | aliguori | int kvm_arch_insert_hw_breakpoint(target_ulong addr,
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132 | e22a25c9 | aliguori | target_ulong len, int type);
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133 | e22a25c9 | aliguori | int kvm_arch_remove_hw_breakpoint(target_ulong addr,
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134 | e22a25c9 | aliguori | target_ulong len, int type);
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135 | e22a25c9 | aliguori | void kvm_arch_remove_all_hw_breakpoints(void); |
136 | e22a25c9 | aliguori | |
137 | e22a25c9 | aliguori | void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); |
138 | e22a25c9 | aliguori | |
139 | ad7b8b33 | Anthony Liguori | int kvm_check_extension(KVMState *s, unsigned int extension); |
140 | ad7b8b33 | Anthony Liguori | |
141 | b827df58 | Avi Kivity | uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, |
142 | b827df58 | Avi Kivity | int reg);
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143 | 4c0960c0 | Avi Kivity | void kvm_cpu_synchronize_state(CPUState *env);
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144 | ea375f9a | Jan Kiszka | void kvm_cpu_synchronize_post_reset(CPUState *env);
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145 | ea375f9a | Jan Kiszka | void kvm_cpu_synchronize_post_init(CPUState *env);
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146 | b827df58 | Avi Kivity | |
147 | e22a25c9 | aliguori | /* generic hooks - to be moved/refactored once there are more users */
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148 | e22a25c9 | aliguori | |
149 | 4c0960c0 | Avi Kivity | static inline void cpu_synchronize_state(CPUState *env) |
150 | e22a25c9 | aliguori | { |
151 | e22a25c9 | aliguori | if (kvm_enabled()) {
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152 | 4c0960c0 | Avi Kivity | kvm_cpu_synchronize_state(env); |
153 | e22a25c9 | aliguori | } |
154 | e22a25c9 | aliguori | } |
155 | e22a25c9 | aliguori | |
156 | ea375f9a | Jan Kiszka | static inline void cpu_synchronize_post_reset(CPUState *env) |
157 | ea375f9a | Jan Kiszka | { |
158 | ea375f9a | Jan Kiszka | if (kvm_enabled()) {
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159 | ea375f9a | Jan Kiszka | kvm_cpu_synchronize_post_reset(env); |
160 | ea375f9a | Jan Kiszka | } |
161 | ea375f9a | Jan Kiszka | } |
162 | ea375f9a | Jan Kiszka | |
163 | ea375f9a | Jan Kiszka | static inline void cpu_synchronize_post_init(CPUState *env) |
164 | ea375f9a | Jan Kiszka | { |
165 | ea375f9a | Jan Kiszka | if (kvm_enabled()) {
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166 | ea375f9a | Jan Kiszka | kvm_cpu_synchronize_post_init(env); |
167 | ea375f9a | Jan Kiszka | } |
168 | ea375f9a | Jan Kiszka | } |
169 | ca821806 | Michael S. Tsirkin | |
170 | ca821806 | Michael S. Tsirkin | #if defined(KVM_IOEVENTFD) && defined(CONFIG_KVM)
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171 | ca821806 | Michael S. Tsirkin | int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); |
172 | ca821806 | Michael S. Tsirkin | #else
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173 | ca821806 | Michael S. Tsirkin | static inline |
174 | ca821806 | Michael S. Tsirkin | int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign) |
175 | ca821806 | Michael S. Tsirkin | { |
176 | ca821806 | Michael S. Tsirkin | return -ENOSYS;
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177 | ca821806 | Michael S. Tsirkin | } |
178 | ca821806 | Michael S. Tsirkin | #endif
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179 | ca821806 | Michael S. Tsirkin | |
180 | 1c14f162 | Blue Swirl | #endif
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181 | 05330448 | aliguori | #endif |