mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-12 14:05:56 +00:00
f2574737f6
There are no generic bits remaining in the handling of KVM_EXIT_DEBUG. So push its logic completely into arch hands, i.e. only x86 so far. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
200 lines
5.4 KiB
C
200 lines
5.4 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 <errno.h>
|
|
#include "config-host.h"
|
|
#include "qemu-queue.h"
|
|
|
|
#ifdef CONFIG_KVM
|
|
#include <linux/kvm.h>
|
|
#endif
|
|
|
|
extern int kvm_allowed;
|
|
|
|
#if defined CONFIG_KVM || !defined NEED_CPU_H
|
|
#define kvm_enabled() (kvm_allowed)
|
|
#else
|
|
#define kvm_enabled() (0)
|
|
#endif
|
|
|
|
struct kvm_run;
|
|
|
|
typedef struct KVMCapabilityInfo {
|
|
const char *name;
|
|
int value;
|
|
} KVMCapabilityInfo;
|
|
|
|
#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
|
|
#define KVM_CAP_LAST_INFO { NULL, 0 }
|
|
|
|
/* external API */
|
|
|
|
int kvm_init(void);
|
|
|
|
int kvm_has_sync_mmu(void);
|
|
int kvm_has_vcpu_events(void);
|
|
int kvm_has_robust_singlestep(void);
|
|
int kvm_has_debugregs(void);
|
|
int kvm_has_xsave(void);
|
|
int kvm_has_xcrs(void);
|
|
int kvm_has_many_ioeventfds(void);
|
|
|
|
#ifdef NEED_CPU_H
|
|
int kvm_init_vcpu(CPUState *env);
|
|
|
|
int kvm_cpu_exec(CPUState *env);
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
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);
|
|
void kvm_flush_coalesced_mmio_buffer(void);
|
|
#endif
|
|
|
|
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);
|
|
#ifndef _WIN32
|
|
int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset);
|
|
#endif
|
|
|
|
int kvm_pit_in_kernel(void);
|
|
int kvm_irqchip_in_kernel(void);
|
|
|
|
int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr);
|
|
int kvm_on_sigbus(int code, void *addr);
|
|
|
|
/* internal API */
|
|
|
|
struct KVMState;
|
|
typedef struct KVMState KVMState;
|
|
extern KVMState *kvm_state;
|
|
|
|
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 */
|
|
|
|
extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
|
|
|
|
void kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
|
|
void kvm_arch_post_run(CPUState *env, struct kvm_run *run);
|
|
|
|
int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
|
|
|
|
int kvm_arch_process_async_events(CPUState *env);
|
|
|
|
int kvm_arch_get_registers(CPUState *env);
|
|
|
|
/* state subset only touched by the VCPU itself during runtime */
|
|
#define KVM_PUT_RUNTIME_STATE 1
|
|
/* state subset modified during VCPU reset */
|
|
#define KVM_PUT_RESET_STATE 2
|
|
/* full state set, modified during initialization or on vmload */
|
|
#define KVM_PUT_FULL_STATE 3
|
|
|
|
int kvm_arch_put_registers(CPUState *env, int level);
|
|
|
|
int kvm_arch_init(KVMState *s);
|
|
|
|
int kvm_arch_init_vcpu(CPUState *env);
|
|
|
|
void kvm_arch_reset_vcpu(CPUState *env);
|
|
|
|
int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr);
|
|
int kvm_arch_on_sigbus(int code, void *addr);
|
|
|
|
struct kvm_guest_debug;
|
|
struct kvm_debug_exit_arch;
|
|
|
|
struct kvm_sw_breakpoint {
|
|
target_ulong pc;
|
|
target_ulong saved_insn;
|
|
int use_count;
|
|
QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
|
|
};
|
|
|
|
QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
|
|
|
|
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);
|
|
|
|
bool kvm_arch_stop_on_emulation_error(CPUState *env);
|
|
|
|
int kvm_check_extension(KVMState *s, unsigned int extension);
|
|
|
|
uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
|
|
uint32_t index, int reg);
|
|
void kvm_cpu_synchronize_state(CPUState *env);
|
|
void kvm_cpu_synchronize_post_reset(CPUState *env);
|
|
void kvm_cpu_synchronize_post_init(CPUState *env);
|
|
|
|
/* generic hooks - to be moved/refactored once there are more users */
|
|
|
|
static inline void cpu_synchronize_state(CPUState *env)
|
|
{
|
|
if (kvm_enabled()) {
|
|
kvm_cpu_synchronize_state(env);
|
|
}
|
|
}
|
|
|
|
static inline void cpu_synchronize_post_reset(CPUState *env)
|
|
{
|
|
if (kvm_enabled()) {
|
|
kvm_cpu_synchronize_post_reset(env);
|
|
}
|
|
}
|
|
|
|
static inline void cpu_synchronize_post_init(CPUState *env)
|
|
{
|
|
if (kvm_enabled()) {
|
|
kvm_cpu_synchronize_post_init(env);
|
|
}
|
|
}
|
|
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
int kvm_physical_memory_addr_from_ram(KVMState *s, ram_addr_t ram_addr,
|
|
target_phys_addr_t *phys_addr);
|
|
#endif
|
|
|
|
#endif
|
|
int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign);
|
|
|
|
int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign);
|
|
#endif
|