4 * Copyright IBM, Corp. 2008
7 * Anthony Liguori <aliguori@us.ibm.com>
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.
18 #include "config-host.h"
19 #include "qemu-queue.h"
22 #include <linux/kvm.h>
25 extern int kvm_allowed
;
26 extern bool kvm_kernel_irqchip
;
28 #if defined CONFIG_KVM || !defined NEED_CPU_H
29 #define kvm_enabled() (kvm_allowed)
30 #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
32 #define kvm_enabled() (0)
33 #define kvm_irqchip_in_kernel() (false)
37 struct kvm_lapic_state
;
39 typedef struct KVMCapabilityInfo
{
44 #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
45 #define KVM_CAP_LAST_INFO { NULL, 0 }
48 typedef struct KVMState KVMState
;
49 extern KVMState
*kvm_state
;
55 int kvm_has_sync_mmu(void);
56 int kvm_has_vcpu_events(void);
57 int kvm_has_robust_singlestep(void);
58 int kvm_has_debugregs(void);
59 int kvm_has_xsave(void);
60 int kvm_has_xcrs(void);
61 int kvm_has_pit_state2(void);
62 int kvm_has_many_ioeventfds(void);
63 int kvm_has_gsi_routing(void);
64 int kvm_has_intx_set_mask(void);
66 int kvm_allows_irq0_override(void);
69 int kvm_init_vcpu(CPUArchState
*env
);
71 int kvm_cpu_exec(CPUArchState
*env
);
73 #if !defined(CONFIG_USER_ONLY)
74 void kvm_setup_guest_memory(void *start
, size_t size
);
76 int kvm_coalesce_mmio_region(target_phys_addr_t start
, ram_addr_t size
);
77 int kvm_uncoalesce_mmio_region(target_phys_addr_t start
, ram_addr_t size
);
78 void kvm_flush_coalesced_mmio_buffer(void);
81 int kvm_insert_breakpoint(CPUArchState
*current_env
, target_ulong addr
,
82 target_ulong len
, int type
);
83 int kvm_remove_breakpoint(CPUArchState
*current_env
, target_ulong addr
,
84 target_ulong len
, int type
);
85 void kvm_remove_all_breakpoints(CPUArchState
*current_env
);
86 int kvm_update_guest_debug(CPUArchState
*env
, unsigned long reinject_trap
);
88 int kvm_set_signal_mask(CPUArchState
*env
, const sigset_t
*sigset
);
91 int kvm_on_sigbus_vcpu(CPUArchState
*env
, int code
, void *addr
);
92 int kvm_on_sigbus(int code
, void *addr
);
93 #endif /* NEED_CPU_H */
97 int kvm_ioctl(KVMState
*s
, int type
, ...);
99 int kvm_vm_ioctl(KVMState
*s
, int type
, ...);
102 int kvm_vcpu_ioctl(CPUArchState
*env
, int type
, ...);
104 /* Arch specific hooks */
106 extern const KVMCapabilityInfo kvm_arch_required_capabilities
[];
108 void kvm_arch_pre_run(CPUArchState
*env
, struct kvm_run
*run
);
109 void kvm_arch_post_run(CPUArchState
*env
, struct kvm_run
*run
);
111 int kvm_arch_handle_exit(CPUArchState
*env
, struct kvm_run
*run
);
113 int kvm_arch_process_async_events(CPUArchState
*env
);
115 int kvm_arch_get_registers(CPUArchState
*env
);
117 /* state subset only touched by the VCPU itself during runtime */
118 #define KVM_PUT_RUNTIME_STATE 1
119 /* state subset modified during VCPU reset */
120 #define KVM_PUT_RESET_STATE 2
121 /* full state set, modified during initialization or on vmload */
122 #define KVM_PUT_FULL_STATE 3
124 int kvm_arch_put_registers(CPUArchState
*env
, int level
);
126 int kvm_arch_init(KVMState
*s
);
128 int kvm_arch_init_vcpu(CPUArchState
*env
);
130 void kvm_arch_reset_vcpu(CPUArchState
*env
);
132 int kvm_arch_on_sigbus_vcpu(CPUArchState
*env
, int code
, void *addr
);
133 int kvm_arch_on_sigbus(int code
, void *addr
);
135 void kvm_arch_init_irq_routing(KVMState
*s
);
137 int kvm_irqchip_set_irq(KVMState
*s
, int irq
, int level
);
138 int kvm_irqchip_send_msi(KVMState
*s
, MSIMessage msg
);
140 void kvm_irqchip_add_irq_route(KVMState
*s
, int gsi
, int irqchip
, int pin
);
142 void kvm_put_apic_state(DeviceState
*d
, struct kvm_lapic_state
*kapic
);
143 void kvm_get_apic_state(DeviceState
*d
, struct kvm_lapic_state
*kapic
);
145 struct kvm_guest_debug
;
146 struct kvm_debug_exit_arch
;
148 struct kvm_sw_breakpoint
{
150 target_ulong saved_insn
;
152 QTAILQ_ENTRY(kvm_sw_breakpoint
) entry
;
155 QTAILQ_HEAD(kvm_sw_breakpoint_head
, kvm_sw_breakpoint
);
157 struct kvm_sw_breakpoint
*kvm_find_sw_breakpoint(CPUArchState
*env
,
160 int kvm_sw_breakpoints_active(CPUArchState
*env
);
162 int kvm_arch_insert_sw_breakpoint(CPUArchState
*current_env
,
163 struct kvm_sw_breakpoint
*bp
);
164 int kvm_arch_remove_sw_breakpoint(CPUArchState
*current_env
,
165 struct kvm_sw_breakpoint
*bp
);
166 int kvm_arch_insert_hw_breakpoint(target_ulong addr
,
167 target_ulong len
, int type
);
168 int kvm_arch_remove_hw_breakpoint(target_ulong addr
,
169 target_ulong len
, int type
);
170 void kvm_arch_remove_all_hw_breakpoints(void);
172 void kvm_arch_update_guest_debug(CPUArchState
*env
, struct kvm_guest_debug
*dbg
);
174 bool kvm_arch_stop_on_emulation_error(CPUArchState
*env
);
176 int kvm_check_extension(KVMState
*s
, unsigned int extension
);
178 uint32_t kvm_arch_get_supported_cpuid(KVMState
*env
, uint32_t function
,
179 uint32_t index
, int reg
);
180 void kvm_cpu_synchronize_state(CPUArchState
*env
);
181 void kvm_cpu_synchronize_post_reset(CPUArchState
*env
);
182 void kvm_cpu_synchronize_post_init(CPUArchState
*env
);
184 /* generic hooks - to be moved/refactored once there are more users */
186 static inline void cpu_synchronize_state(CPUArchState
*env
)
189 kvm_cpu_synchronize_state(env
);
193 static inline void cpu_synchronize_post_reset(CPUArchState
*env
)
196 kvm_cpu_synchronize_post_reset(env
);
200 static inline void cpu_synchronize_post_init(CPUArchState
*env
)
203 kvm_cpu_synchronize_post_init(env
);
208 #if !defined(CONFIG_USER_ONLY)
209 int kvm_physical_memory_addr_from_host(KVMState
*s
, void *ram_addr
,
210 target_phys_addr_t
*phys_addr
);
214 int kvm_set_ioeventfd_mmio(int fd
, uint32_t adr
, uint32_t val
, bool assign
,
217 int kvm_set_ioeventfd_pio_word(int fd
, uint16_t adr
, uint16_t val
, bool assign
);
219 int kvm_irqchip_add_msi_route(KVMState
*s
, MSIMessage msg
);
220 void kvm_irqchip_release_virq(KVMState
*s
, int virq
);
222 int kvm_irqchip_add_irqfd(KVMState
*s
, int fd
, int virq
);
223 int kvm_irqchip_remove_irqfd(KVMState
*s
, int fd
, int virq
);
225 int kvm_get_irq_route_gsi(void);
227 void kvm_irqchip_commit_routes(KVMState
*s
);
230 #include "qemu-kvm.h"