Fix 32-bit overflow in parallels image support
[qemu-kvm/fedora.git] / kvm.h
blob0191752b3146007243eed4d873f05f39e99df442
1 /*
2 * QEMU KVM support
4 * Copyright IBM, Corp. 2008
6 * Authors:
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.
14 #ifndef QEMU_KVM_H
15 #define QEMU_KVM_H
17 #include "config.h"
18 #include "sys-queue.h"
19 #include "qemu-kvm.h"
21 #ifdef KVM_UPSTREAM
23 #ifdef CONFIG_KVM
24 extern int kvm_allowed;
26 #define kvm_enabled() (kvm_allowed)
27 #else
28 #define kvm_enabled() (0)
29 #endif
31 struct kvm_run;
33 /* external API */
35 int kvm_init(int smp_cpus);
37 int kvm_init_vcpu(CPUState *env);
39 int kvm_cpu_exec(CPUState *env);
41 void kvm_set_phys_mem(target_phys_addr_t start_addr,
42 ram_addr_t size,
43 ram_addr_t phys_offset);
45 int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
46 target_phys_addr_t end_addr);
48 int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size);
49 int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size);
50 int kvm_set_migration_log(int enable);
52 int kvm_has_sync_mmu(void);
54 void kvm_setup_guest_memory(void *start, size_t size);
56 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
57 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
59 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
60 target_ulong len, int type);
61 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
62 target_ulong len, int type);
63 void kvm_remove_all_breakpoints(CPUState *current_env);
64 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap);
66 /* internal API */
68 struct KVMState;
69 typedef struct KVMState KVMState;
71 int kvm_ioctl(KVMState *s, int type, ...);
73 int kvm_vm_ioctl(KVMState *s, int type, ...);
75 int kvm_vcpu_ioctl(CPUState *env, int type, ...);
77 int kvm_get_mp_state(CPUState *env);
78 int kvm_put_mp_state(CPUState *env);
80 /* Arch specific hooks */
82 int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
84 int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
86 int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
88 int kvm_arch_get_registers(CPUState *env);
90 int kvm_arch_put_registers(CPUState *env);
92 int kvm_arch_init(KVMState *s, int smp_cpus);
94 int kvm_arch_init_vcpu(CPUState *env);
96 struct kvm_guest_debug;
97 struct kvm_debug_exit_arch;
99 struct kvm_sw_breakpoint {
100 target_ulong pc;
101 target_ulong saved_insn;
102 int use_count;
103 TAILQ_ENTRY(kvm_sw_breakpoint) entry;
106 TAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
108 int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info);
110 struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
111 target_ulong pc);
113 int kvm_sw_breakpoints_active(CPUState *env);
115 int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
116 struct kvm_sw_breakpoint *bp);
117 int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
118 struct kvm_sw_breakpoint *bp);
119 int kvm_arch_insert_hw_breakpoint(target_ulong addr,
120 target_ulong len, int type);
121 int kvm_arch_remove_hw_breakpoint(target_ulong addr,
122 target_ulong len, int type);
123 void kvm_arch_remove_all_hw_breakpoints(void);
125 void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg);
127 int kvm_check_extension(KVMState *s, unsigned int extension);
129 uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
130 int reg);
132 /* generic hooks - to be moved/refactored once there are more users */
134 static inline void cpu_synchronize_state(CPUState *env, int modified)
136 if (kvm_enabled()) {
137 if (modified)
138 kvm_arch_put_registers(env);
139 else
140 kvm_arch_get_registers(env);
144 #endif
146 #endif