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
;
27 #if defined CONFIG_KVM || !defined NEED_CPU_H
28 #define kvm_enabled() (kvm_allowed)
30 #define kvm_enabled() (0)
35 typedef struct KVMCapabilityInfo
{
40 #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
41 #define KVM_CAP_LAST_INFO { NULL, 0 }
47 int kvm_has_sync_mmu(void);
48 int kvm_has_vcpu_events(void);
49 int kvm_has_robust_singlestep(void);
50 int kvm_has_debugregs(void);
51 int kvm_has_xsave(void);
52 int kvm_has_xcrs(void);
53 int kvm_has_many_ioeventfds(void);
56 int kvm_init_vcpu(CPUState
*env
);
58 int kvm_cpu_exec(CPUState
*env
);
60 #if !defined(CONFIG_USER_ONLY)
61 int kvm_log_start(target_phys_addr_t phys_addr
, ram_addr_t size
);
62 int kvm_log_stop(target_phys_addr_t phys_addr
, ram_addr_t size
);
64 void kvm_setup_guest_memory(void *start
, size_t size
);
66 int kvm_coalesce_mmio_region(target_phys_addr_t start
, ram_addr_t size
);
67 int kvm_uncoalesce_mmio_region(target_phys_addr_t start
, ram_addr_t size
);
68 void kvm_flush_coalesced_mmio_buffer(void);
71 int kvm_insert_breakpoint(CPUState
*current_env
, target_ulong addr
,
72 target_ulong len
, int type
);
73 int kvm_remove_breakpoint(CPUState
*current_env
, target_ulong addr
,
74 target_ulong len
, int type
);
75 void kvm_remove_all_breakpoints(CPUState
*current_env
);
76 int kvm_update_guest_debug(CPUState
*env
, unsigned long reinject_trap
);
78 int kvm_set_signal_mask(CPUState
*env
, const sigset_t
*sigset
);
81 int kvm_pit_in_kernel(void);
82 int kvm_irqchip_in_kernel(void);
84 int kvm_on_sigbus_vcpu(CPUState
*env
, int code
, void *addr
);
85 int kvm_on_sigbus(int code
, void *addr
);
90 typedef struct KVMState KVMState
;
92 int kvm_ioctl(KVMState
*s
, int type
, ...);
94 int kvm_vm_ioctl(KVMState
*s
, int type
, ...);
96 int kvm_vcpu_ioctl(CPUState
*env
, int type
, ...);
98 /* Arch specific hooks */
100 extern const KVMCapabilityInfo kvm_arch_required_capabilities
[];
102 int kvm_arch_post_run(CPUState
*env
, struct kvm_run
*run
);
104 int kvm_arch_handle_exit(CPUState
*env
, struct kvm_run
*run
);
106 int kvm_arch_pre_run(CPUState
*env
, struct kvm_run
*run
);
108 int kvm_arch_process_irqchip_events(CPUState
*env
);
110 int kvm_arch_get_registers(CPUState
*env
);
112 /* state subset only touched by the VCPU itself during runtime */
113 #define KVM_PUT_RUNTIME_STATE 1
114 /* state subset modified during VCPU reset */
115 #define KVM_PUT_RESET_STATE 2
116 /* full state set, modified during initialization or on vmload */
117 #define KVM_PUT_FULL_STATE 3
119 int kvm_arch_put_registers(CPUState
*env
, int level
);
121 int kvm_arch_init(KVMState
*s
);
123 int kvm_arch_init_vcpu(CPUState
*env
);
125 void kvm_arch_reset_vcpu(CPUState
*env
);
127 int kvm_arch_on_sigbus_vcpu(CPUState
*env
, int code
, void *addr
);
128 int kvm_arch_on_sigbus(int code
, void *addr
);
130 struct kvm_guest_debug
;
131 struct kvm_debug_exit_arch
;
133 struct kvm_sw_breakpoint
{
135 target_ulong saved_insn
;
137 QTAILQ_ENTRY(kvm_sw_breakpoint
) entry
;
140 QTAILQ_HEAD(kvm_sw_breakpoint_head
, kvm_sw_breakpoint
);
142 int kvm_arch_debug(struct kvm_debug_exit_arch
*arch_info
);
144 struct kvm_sw_breakpoint
*kvm_find_sw_breakpoint(CPUState
*env
,
147 int kvm_sw_breakpoints_active(CPUState
*env
);
149 int kvm_arch_insert_sw_breakpoint(CPUState
*current_env
,
150 struct kvm_sw_breakpoint
*bp
);
151 int kvm_arch_remove_sw_breakpoint(CPUState
*current_env
,
152 struct kvm_sw_breakpoint
*bp
);
153 int kvm_arch_insert_hw_breakpoint(target_ulong addr
,
154 target_ulong len
, int type
);
155 int kvm_arch_remove_hw_breakpoint(target_ulong addr
,
156 target_ulong len
, int type
);
157 void kvm_arch_remove_all_hw_breakpoints(void);
159 void kvm_arch_update_guest_debug(CPUState
*env
, struct kvm_guest_debug
*dbg
);
161 bool kvm_arch_stop_on_emulation_error(CPUState
*env
);
163 int kvm_check_extension(KVMState
*s
, unsigned int extension
);
165 uint32_t kvm_arch_get_supported_cpuid(CPUState
*env
, uint32_t function
,
166 uint32_t index
, int reg
);
167 void kvm_cpu_synchronize_state(CPUState
*env
);
168 void kvm_cpu_synchronize_post_reset(CPUState
*env
);
169 void kvm_cpu_synchronize_post_init(CPUState
*env
);
171 /* generic hooks - to be moved/refactored once there are more users */
173 static inline void cpu_synchronize_state(CPUState
*env
)
176 kvm_cpu_synchronize_state(env
);
180 static inline void cpu_synchronize_post_reset(CPUState
*env
)
183 kvm_cpu_synchronize_post_reset(env
);
187 static inline void cpu_synchronize_post_init(CPUState
*env
)
190 kvm_cpu_synchronize_post_init(env
);
195 #if !defined(CONFIG_USER_ONLY)
196 int kvm_physical_memory_addr_from_ram(KVMState
*s
, ram_addr_t ram_addr
,
197 target_phys_addr_t
*phys_addr
);
201 int kvm_set_ioeventfd_mmio_long(int fd
, uint32_t adr
, uint32_t val
, bool assign
);
203 int kvm_set_ioeventfd_pio_word(int fd
, uint16_t adr
, uint16_t val
, bool assign
);