xemu/kvm.h
aliguori 5832d1f2f5 kvm: Introduce kvm logging interface (Glauber Costa)
Introduce functions to control logging of memory regions.
We select regions based on its start address, a
guest_physical_addr (target_phys_addr_t, in qemu nomenclature).

The main user of this interface right now is VGA optimization
(a way of reducing the number of mmio exits).

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5792 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-24 19:36:26 +00:00

73 lines
1.5 KiB
C

/*
* QEMU KVM support
*
* Copyright IBM, Corp. 2008
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef QEMU_KVM_H
#define QEMU_KVM_H
#include "config.h"
#ifdef CONFIG_KVM
extern int kvm_allowed;
#define kvm_enabled() (kvm_allowed)
#else
#define kvm_enabled() (0)
#endif
struct kvm_run;
/* external API */
int kvm_init(int smp_cpus);
int kvm_init_vcpu(CPUState *env);
int kvm_cpu_exec(CPUState *env);
void kvm_set_phys_mem(target_phys_addr_t start_addr,
ram_addr_t size,
ram_addr_t phys_offset);
void kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
int kvm_log_start(target_phys_addr_t phys_addr, target_phys_addr_t len);
int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t len);
/* internal API */
struct KVMState;
typedef struct KVMState KVMState;
int kvm_ioctl(KVMState *s, int type, ...);
int kvm_vm_ioctl(KVMState *s, int type, ...);
int kvm_vcpu_ioctl(CPUState *env, int type, ...);
/* Arch specific hooks */
int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
int kvm_arch_get_registers(CPUState *env);
int kvm_arch_put_registers(CPUState *env);
int kvm_arch_init(KVMState *s, int smp_cpus);
int kvm_arch_init_vcpu(CPUState *env);
#endif