kvm.h

   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 void kvm_setup_guest_memory(void *start, size_t size);
  50
  51 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
  52 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
  53
  54 /* internal API */
  55
  56 struct KVMState;
  57 typedef struct KVMState KVMState;
  58
  59 int kvm_ioctl(KVMState *s, int type, ...);
  60
  61 int kvm_vm_ioctl(KVMState *s, int type, ...);
  62
  63 int kvm_vcpu_ioctl(CPUState *env, int type, ...);
  64
  65 /* Arch specific hooks */
  66
  67 int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
  68
  69 int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
  70
  71 int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
  72
  73 int kvm_arch_get_registers(CPUState *env);
  74
  75 int kvm_arch_put_registers(CPUState *env);
  76
  77 int kvm_arch_init(KVMState *s, int smp_cpus);
  78
  79 int kvm_arch_init_vcpu(CPUState *env);
  80
  81 int kvm_check_extension(KVMState *s, unsigned int extension);
  82
  83 uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
  84                                       int reg);
  85 #endif