kvm.h 3.5 KB
Newer Older
A
aliguori 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
/*
 * 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"
18
#include "sys-queue.h"
A
aliguori 已提交
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

#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);
35
int kvm_sync_vcpus(void);
A
aliguori 已提交
36 37 38 39 40 41 42

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);

43 44
void kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
                                    target_phys_addr_t end_addr);
45

46 47
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);
A
aliguori 已提交
48 49 50

int kvm_has_sync_mmu(void);

A
aliguori 已提交
51 52 53
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);

54 55 56 57 58 59 60
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);

A
aliguori 已提交
61 62 63 64 65
/* internal API */

struct KVMState;
typedef struct KVMState KVMState;

66
int kvm_ioctl(KVMState *s, int type, ...);
A
aliguori 已提交
67

68
int kvm_vm_ioctl(KVMState *s, int type, ...);
A
aliguori 已提交
69

70
int kvm_vcpu_ioctl(CPUState *env, int type, ...);
A
aliguori 已提交
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87

/* 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);

88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
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);

/* 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);
    }
}

A
aliguori 已提交
131
#endif