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/*
* 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"
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#include "sys-queue.h"
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#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);
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int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
target_phys_addr_t end_addr);
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int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size);
int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size);
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int kvm_set_migration_log(int enable);
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int kvm_has_sync_mmu(void);
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void kvm_setup_guest_memory(void *start, size_t size);
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int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
target_ulong len, int type);
int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
target_ulong len, int type);
void kvm_remove_all_breakpoints(CPUState *current_env);
int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap);
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/* internal API */
struct KVMState;
typedef struct KVMState KVMState;
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int kvm_ioctl(KVMState *s, int type, ...);
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int kvm_vm_ioctl(KVMState *s, int type, ...);
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int kvm_vcpu_ioctl(CPUState *env, int type, ...);
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int kvm_get_mp_state(CPUState *env);
int kvm_put_mp_state(CPUState *env);
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/* 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);
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struct kvm_guest_debug;
struct kvm_debug_exit_arch;
struct kvm_sw_breakpoint {
target_ulong pc;
target_ulong saved_insn;
int use_count;
TAILQ_ENTRY(kvm_sw_breakpoint) entry;
};
TAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info);
struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
target_ulong pc);
int kvm_sw_breakpoints_active(CPUState *env);
int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
struct kvm_sw_breakpoint *bp);
int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
struct kvm_sw_breakpoint *bp);
int kvm_arch_insert_hw_breakpoint(target_ulong addr,
target_ulong len, int type);
int kvm_arch_remove_hw_breakpoint(target_ulong addr,
target_ulong len, int type);
void kvm_arch_remove_all_hw_breakpoints(void);
void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg);
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int kvm_check_extension(KVMState *s, unsigned int extension);
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uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
int reg);
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/* generic hooks - to be moved/refactored once there are more users */
static inline void cpu_synchronize_state(CPUState *env, int modified)
{
if (kvm_enabled()) {
if (modified)
kvm_arch_put_registers(env);
else
kvm_arch_get_registers(env);
}
}
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#endif
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