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/*
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* QEMU KVM support
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*
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* Copyright IBM, Corp. 2008
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_KVM_H
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#define QEMU_KVM_H
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#include <errno.h> |
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#include "config-host.h" |
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#include "qemu-queue.h" |
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#ifdef CONFIG_KVM
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#include <linux/kvm.h> |
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#endif
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extern int kvm_allowed; |
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#if defined CONFIG_KVM || !defined NEED_CPU_H
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#define kvm_enabled() (kvm_allowed)
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#else
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#define kvm_enabled() (0) |
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#endif
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struct kvm_run;
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typedef struct KVMCapabilityInfo { |
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const char *name; |
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int value;
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} KVMCapabilityInfo; |
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#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } |
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#define KVM_CAP_LAST_INFO { NULL, 0 } |
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/* external API */
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int kvm_init(void); |
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int kvm_has_sync_mmu(void); |
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int kvm_has_vcpu_events(void); |
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int kvm_has_robust_singlestep(void); |
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int kvm_has_debugregs(void); |
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int kvm_has_xsave(void); |
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int kvm_has_xcrs(void); |
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int kvm_has_many_ioeventfds(void); |
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#ifdef NEED_CPU_H
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int kvm_init_vcpu(CPUState *env);
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int kvm_cpu_exec(CPUState *env);
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#if !defined(CONFIG_USER_ONLY)
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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);
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int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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void kvm_flush_coalesced_mmio_buffer(void); |
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#endif
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int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
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target_ulong len, int type);
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int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
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target_ulong len, int type);
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void kvm_remove_all_breakpoints(CPUState *current_env);
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int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); |
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#ifndef _WIN32
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int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); |
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#endif
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int kvm_pit_in_kernel(void); |
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int kvm_irqchip_in_kernel(void); |
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int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr); |
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int kvm_on_sigbus(int code, void *addr); |
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/* internal API */
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struct KVMState;
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typedef struct KVMState KVMState; |
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extern KVMState *kvm_state;
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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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/* Arch specific hooks */
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extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; |
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void kvm_arch_pre_run(CPUState *env, struct kvm_run *run); |
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void kvm_arch_post_run(CPUState *env, struct kvm_run *run); |
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int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); |
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int kvm_arch_process_async_events(CPUState *env);
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int kvm_arch_get_registers(CPUState *env);
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/* state subset only touched by the VCPU itself during runtime */
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#define KVM_PUT_RUNTIME_STATE 1 |
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/* state subset modified during VCPU reset */
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#define KVM_PUT_RESET_STATE 2 |
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/* full state set, modified during initialization or on vmload */
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#define KVM_PUT_FULL_STATE 3 |
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int kvm_arch_put_registers(CPUState *env, int level); |
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int kvm_arch_init(KVMState *s);
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int kvm_arch_init_vcpu(CPUState *env);
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void kvm_arch_reset_vcpu(CPUState *env);
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int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr); |
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int kvm_arch_on_sigbus(int code, void *addr); |
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struct kvm_guest_debug;
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struct kvm_debug_exit_arch;
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struct kvm_sw_breakpoint {
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target_ulong pc; |
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target_ulong saved_insn; |
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int use_count;
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QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
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}; |
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QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
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struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
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target_ulong pc); |
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int kvm_sw_breakpoints_active(CPUState *env);
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int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
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struct kvm_sw_breakpoint *bp);
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int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
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struct kvm_sw_breakpoint *bp);
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int kvm_arch_insert_hw_breakpoint(target_ulong addr,
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target_ulong len, int type);
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int kvm_arch_remove_hw_breakpoint(target_ulong addr,
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target_ulong len, int type);
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void kvm_arch_remove_all_hw_breakpoints(void); |
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void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); |
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bool kvm_arch_stop_on_emulation_error(CPUState *env);
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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, |
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uint32_t index, int reg);
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void kvm_cpu_synchronize_state(CPUState *env);
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void kvm_cpu_synchronize_post_reset(CPUState *env);
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void kvm_cpu_synchronize_post_init(CPUState *env);
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/* generic hooks - to be moved/refactored once there are more users */
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static inline void cpu_synchronize_state(CPUState *env) |
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{ |
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if (kvm_enabled()) {
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kvm_cpu_synchronize_state(env); |
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} |
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} |
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static inline void cpu_synchronize_post_reset(CPUState *env) |
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{ |
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if (kvm_enabled()) {
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kvm_cpu_synchronize_post_reset(env); |
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} |
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} |
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static inline void cpu_synchronize_post_init(CPUState *env) |
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{ |
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if (kvm_enabled()) {
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kvm_cpu_synchronize_post_init(env); |
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} |
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} |
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#if !defined(CONFIG_USER_ONLY)
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int kvm_physical_memory_addr_from_ram(KVMState *s, ram_addr_t ram_addr,
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target_phys_addr_t *phys_addr); |
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#endif
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#endif
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int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign); |
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int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); |
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#endif
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