1 /*

     2  * QEMU KVM support

     3  *

     4  * Copyright IBM, Corp. 2008

     5  *

     6  * Authors:

     7  *  Anthony Liguori   <aliguori@us.ibm.com>

     8  *

     9  * This work is licensed under the terms of the GNU GPL, version 2 or later.

    10  * See the COPYING file in the top-level directory.

    11  *

    12  */

    13 

    14 #ifndef QEMU_KVM_H

    15 #define QEMU_KVM_H

    16 

    17 #include "config.h"

    18 

    19 #ifdef CONFIG_KVM

    20 extern int kvm_allowed;

    21 

    22 #define kvm_enabled() (kvm_allowed)

    23 #else

    24 #define kvm_enabled() (0)

    25 #endif

    26 

    27 struct kvm_run;

    28 

    29 /* external API */

    30 

    31 int kvm_init(int smp_cpus);

    32 

    33 int kvm_init_vcpu(CPUState *env);

    34 int kvm_sync_vcpus(void);

    35 

    36 int kvm_cpu_exec(CPUState *env);

    37 

    38 void kvm_set_phys_mem(target_phys_addr_t start_addr,

    39                       ram_addr_t size,

    40                       ram_addr_t phys_offset);

    41 

    42 void kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);

    43 

    44 int kvm_log_start(target_phys_addr_t phys_addr, target_phys_addr_t len);

    45 int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t len);

    46 

    47 int kvm_has_sync_mmu(void);

    48 

    49 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);

    50 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);

    51 

    52 /* internal API */

    53 

    54 struct KVMState;

    55 typedef struct KVMState KVMState;

    56 

    57 int kvm_ioctl(KVMState *s, int type, ...);

    58 

    59 int kvm_vm_ioctl(KVMState *s, int type, ...);

    60 

    61 int kvm_vcpu_ioctl(CPUState *env, int type, ...);

    62 

    63 /* Arch specific hooks */

    64 

    65 int kvm_arch_post_run(CPUState *env, struct kvm_run *run);

    66 

    67 int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);

    68 

    69 int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);

    70 

    71 int kvm_arch_get_registers(CPUState *env);

    72 

    73 int kvm_arch_put_registers(CPUState *env);

    74 

    75 int kvm_arch_init(KVMState *s, int smp_cpus);

    76 

    77 int kvm_arch_init_vcpu(CPUState *env);

    78 

    79 #endif