add a simple fork test
[qemu/linux-user.git] / kvm.h
blobefce1450d598cda72d95cccc63c1237af0e0b237
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"
19 #ifdef CONFIG_KVM
20 extern int kvm_allowed;
22 #define kvm_enabled() (kvm_allowed)
23 #else
24 #define kvm_enabled() (0)
25 #endif
27 struct kvm_run;
29 /* external API */
31 int kvm_init(int smp_cpus);
33 int kvm_init_vcpu(CPUState *env);
34 int kvm_sync_vcpus(void);
36 int kvm_cpu_exec(CPUState *env);
38 void kvm_set_phys_mem(target_phys_addr_t start_addr,
39 ram_addr_t size,
40 ram_addr_t phys_offset);
42 void kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
44 int kvm_log_start(target_phys_addr_t phys_addr, target_phys_addr_t len);
45 int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t len);
47 int kvm_has_sync_mmu(void);
49 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
50 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
52 /* internal API */
54 struct KVMState;
55 typedef struct KVMState KVMState;
57 int kvm_ioctl(KVMState *s, int type, ...);
59 int kvm_vm_ioctl(KVMState *s, int type, ...);
61 int kvm_vcpu_ioctl(CPUState *env, int type, ...);
63 /* Arch specific hooks */
65 int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
67 int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
69 int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
71 int kvm_arch_get_registers(CPUState *env);
73 int kvm_arch_put_registers(CPUState *env);
75 int kvm_arch_init(KVMState *s, int smp_cpus);
77 int kvm_arch_init_vcpu(CPUState *env);
79 #endif