diff options
Diffstat (limited to 'kvm.h')
| -rw-r--r-- | kvm.h | 142 |
1 files changed, 142 insertions, 0 deletions
@@ -0,0 +1,142 @@ +/* + * 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_sync_vcpus(void); + +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 |