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"
25 #include <linux/kvm.h>
28 extern int kvm_allowed
;
30 #if defined CONFIG_KVM || !defined NEED_CPU_H
31 #define kvm_enabled() (kvm_allowed)
33 #define kvm_enabled() (0)
36 #ifdef OBSOLETE_KVM_IMPL
41 int kvm_init(int smp_cpus
);
42 #endif /* OBSOLETE_KVM_IMPL */
44 int kvm_has_sync_mmu(void);
45 int kvm_has_vcpu_events(void);
46 int kvm_has_robust_singlestep(void);
47 int kvm_has_debugregs(void);
48 int kvm_has_xsave(void);
49 int kvm_has_xcrs(void);
52 int kvm_init_vcpu(CPUState
*env
);
54 int kvm_cpu_exec(CPUState
*env
);
56 #if !defined(CONFIG_USER_ONLY)
57 int kvm_log_start(target_phys_addr_t phys_addr
, ram_addr_t size
);
58 int kvm_log_stop(target_phys_addr_t phys_addr
, ram_addr_t size
);
60 void kvm_cpu_register_phys_memory_client(void);
62 void kvm_setup_guest_memory(void *start
, size_t size
);
64 int kvm_coalesce_mmio_region(target_phys_addr_t start
, ram_addr_t size
);
65 int kvm_uncoalesce_mmio_region(target_phys_addr_t start
, ram_addr_t size
);
66 void kvm_flush_coalesced_mmio_buffer(void);
69 int kvm_insert_breakpoint(CPUState
*current_env
, target_ulong addr
,
70 target_ulong len
, int type
);
71 int kvm_remove_breakpoint(CPUState
*current_env
, target_ulong addr
,
72 target_ulong len
, int type
);
73 void kvm_remove_all_breakpoints(CPUState
*current_env
);
74 int kvm_update_guest_debug(CPUState
*env
, unsigned long reinject_trap
);
76 int kvm_set_signal_mask(CPUState
*env
, const sigset_t
*sigset
);
79 int kvm_pit_in_kernel(void);
84 typedef struct KVMState KVMState
;
86 int kvm_ioctl(KVMState
*s
, int type
, ...);
88 int kvm_vm_ioctl(KVMState
*s
, int type
, ...);
90 int kvm_vcpu_ioctl(CPUState
*env
, int type
, ...);
92 /* Arch specific hooks */
94 int kvm_arch_post_run(CPUState
*env
, struct kvm_run
*run
);
96 int kvm_arch_handle_exit(CPUState
*env
, struct kvm_run
*run
);
98 int kvm_arch_pre_run(CPUState
*env
, struct kvm_run
*run
);
100 #ifdef OBSOLETE_KVM_IMPL
101 int kvm_arch_process_irqchip_events(CPUState
*env
);
104 int kvm_arch_get_registers(CPUState
*env
);
106 /* state subset only touched by the VCPU itself during runtime */
107 #define KVM_PUT_RUNTIME_STATE 1
108 /* state subset modified during VCPU reset */
109 #define KVM_PUT_RESET_STATE 2
110 /* full state set, modified during initialization or on vmload */
111 #define KVM_PUT_FULL_STATE 3
113 int kvm_arch_put_registers(CPUState
*env
, int level
);
115 int kvm_arch_init(KVMState
*s
, int smp_cpus
);
117 int kvm_arch_init_vcpu(CPUState
*env
);
119 void kvm_arch_reset_vcpu(CPUState
*env
);
121 int kvm_on_sigbus_vcpu(CPUState
*env
, int code
, void *addr
);
122 int kvm_on_sigbus(int code
, void *addr
);
124 struct kvm_guest_debug
;
125 struct kvm_debug_exit_arch
;
127 struct kvm_sw_breakpoint
{
129 target_ulong saved_insn
;
131 QTAILQ_ENTRY(kvm_sw_breakpoint
) entry
;
134 QTAILQ_HEAD(kvm_sw_breakpoint_head
, kvm_sw_breakpoint
);
136 int kvm_arch_debug(struct kvm_debug_exit_arch
*arch_info
);
138 struct kvm_sw_breakpoint
*kvm_find_sw_breakpoint(CPUState
*env
,
141 int kvm_sw_breakpoints_active(CPUState
*env
);
143 int kvm_arch_insert_sw_breakpoint(CPUState
*current_env
,
144 struct kvm_sw_breakpoint
*bp
);
145 int kvm_arch_remove_sw_breakpoint(CPUState
*current_env
,
146 struct kvm_sw_breakpoint
*bp
);
147 int kvm_arch_insert_hw_breakpoint(target_ulong addr
,
148 target_ulong len
, int type
);
149 int kvm_arch_remove_hw_breakpoint(target_ulong addr
,
150 target_ulong len
, int type
);
151 void kvm_arch_remove_all_hw_breakpoints(void);
153 void kvm_arch_update_guest_debug(CPUState
*env
, struct kvm_guest_debug
*dbg
);
155 bool kvm_arch_stop_on_emulation_error(CPUState
*env
);
157 int kvm_check_extension(KVMState
*s
, unsigned int extension
);
159 uint32_t kvm_arch_get_supported_cpuid(CPUState
*env
, uint32_t function
,
160 uint32_t index
, int reg
);
161 void kvm_cpu_synchronize_state(CPUState
*env
);
162 void kvm_cpu_synchronize_post_reset(CPUState
*env
);
163 void kvm_cpu_synchronize_post_init(CPUState
*env
);
165 /* generic hooks - to be moved/refactored once there are more users */
167 static inline void cpu_synchronize_state(CPUState
*env
)
170 kvm_cpu_synchronize_state(env
);
174 static inline void cpu_synchronize_post_reset(CPUState
*env
)
177 kvm_cpu_synchronize_post_reset(env
);
181 static inline void cpu_synchronize_post_init(CPUState
*env
)
184 kvm_cpu_synchronize_post_init(env
);
188 #if !defined(CONFIG_USER_ONLY)
189 int kvm_physical_memory_addr_from_ram(KVMState
*s
, ram_addr_t ram_addr
,
190 target_phys_addr_t
*phys_addr
);
194 int kvm_set_ioeventfd_mmio_long(int fd
, uint32_t adr
, uint32_t val
, bool assign
);
196 #if defined(KVM_IRQFD) && defined(CONFIG_KVM)
197 int kvm_set_irqfd(int gsi
, int fd
, bool assigned
);
200 int kvm_set_irqfd(int gsi
, int fd
, bool assigned
)
206 int kvm_set_ioeventfd_pio_word(int fd
, uint16_t adr
, uint16_t val
, bool assign
);
208 int kvm_has_gsi_routing(void);
209 int kvm_get_irq_route_gsi(void);
210 int kvm_add_msix(uint32_t gsi
, uint32_t addr_lo
,
211 uint32_t addr_hi
, uint32_t data
);
212 int kvm_del_msix(uint32_t gsi
, uint32_t addr_lo
,
213 uint32_t addr_hi
, uint32_t data
);
214 int kvm_update_msix(uint32_t old_gsi
, uint32_t old_addr_lo
,
215 uint32_t old_addr_hi
, uint32_t old_data
,
216 uint32_t new_gsi
, uint32_t new_addr_lo
,
217 uint32_t new_addr_hi
, uint32_t new_data
);
218 int kvm_commit_irq_routes(void);
220 int kvm_irqchip_in_kernel(void);
222 int kvm_set_irq(int irq
, int level
, int *status
);