/* * 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" #include "sys-queue.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); int 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, ram_addr_t size); int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size); int kvm_set_migration_log(int enable); int kvm_has_sync_mmu(void); void kvm_setup_guest_memory(void *start, size_t size); 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); 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); /* 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, ...); int kvm_get_mp_state(CPUState *env); int kvm_put_mp_state(CPUState *env); /* 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); 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); int kvm_check_extension(KVMState *s, unsigned int extension); uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg); /* 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); } } #endif