LXR qemu/accel/stubs/kvm-stub.c

   1/*
   2 * QEMU KVM stub
   3 *
   4 * Copyright Red Hat, Inc. 2010
   5 *
   6 * Author: Paolo Bonzini     <pbonzini@redhat.com>
   7 *
   8 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9 * See the COPYING file in the top-level directory.
  10 *
  11 */
  12
  13#include "qemu/osdep.h"
  14#include "qemu-common.h"
  15#include "cpu.h"
  16#include "sysemu/kvm.h"
  17
  18#ifndef CONFIG_USER_ONLY
  19#include "hw/pci/msi.h"
  20#endif
  21
  22KVMState *kvm_state;
  23bool kvm_kernel_irqchip;
  24bool kvm_async_interrupts_allowed;
  25bool kvm_eventfds_allowed;
  26bool kvm_irqfds_allowed;
  27bool kvm_resamplefds_allowed;
  28bool kvm_msi_via_irqfd_allowed;
  29bool kvm_gsi_routing_allowed;
  30bool kvm_gsi_direct_mapping;
  31bool kvm_allowed;
  32bool kvm_readonly_mem_allowed;
  33bool kvm_ioeventfd_any_length_allowed;
  34bool kvm_msi_use_devid;
  35
  36int kvm_destroy_vcpu(CPUState *cpu)
  37{
  38    return -ENOSYS;
  39}
  40
  41int kvm_init_vcpu(CPUState *cpu)
  42{
  43    return -ENOSYS;
  44}
  45
  46void kvm_flush_coalesced_mmio_buffer(void)
  47{
  48}
  49
  50void kvm_cpu_synchronize_state(CPUState *cpu)
  51{
  52}
  53
  54void kvm_cpu_synchronize_post_reset(CPUState *cpu)
  55{
  56}
  57
  58void kvm_cpu_synchronize_post_init(CPUState *cpu)
  59{
  60}
  61
  62int kvm_cpu_exec(CPUState *cpu)
  63{
  64    abort();
  65}
  66
  67bool kvm_has_sync_mmu(void)
  68{
  69    return false;
  70}
  71
  72int kvm_has_many_ioeventfds(void)
  73{
  74    return 0;
  75}
  76
  77int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
  78{
  79    return -ENOSYS;
  80}
  81
  82int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
  83                          target_ulong len, int type)
  84{
  85    return -EINVAL;
  86}
  87
  88int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
  89                          target_ulong len, int type)
  90{
  91    return -EINVAL;
  92}
  93
  94void kvm_remove_all_breakpoints(CPUState *cpu)
  95{
  96}
  97
  98int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
  99{
 100    return 1;
 101}
 102
 103int kvm_on_sigbus(int code, void *addr)
 104{
 105    return 1;
 106}
 107
 108bool kvm_memcrypt_enabled(void)
 109{
 110    return false;
 111}
 112
 113int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
 114{
 115  return 1;
 116}
 117
 118#ifndef CONFIG_USER_ONLY
 119int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
 120{
 121    return -ENOSYS;
 122}
 123
 124void kvm_init_irq_routing(KVMState *s)
 125{
 126}
 127
 128void kvm_irqchip_release_virq(KVMState *s, int virq)
 129{
 130}
 131
 132int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
 133                                 PCIDevice *dev)
 134{
 135    return -ENOSYS;
 136}
 137
 138void kvm_irqchip_commit_routes(KVMState *s)
 139{
 140}
 141
 142int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 143{
 144    return -ENOSYS;
 145}
 146
 147int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 148                                       EventNotifier *rn, int virq)
 149{
 150    return -ENOSYS;
 151}
 152
 153int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 154                                          int virq)
 155{
 156    return -ENOSYS;
 157}
 158
 159bool kvm_has_free_slot(MachineState *ms)
 160{
 161    return false;
 162}
 163
 164void kvm_init_cpu_signals(CPUState *cpu)
 165{
 166    abort();
 167}
 168
 169bool kvm_arm_supports_user_irq(void)
 170{
 171    return false;
 172}
 173#endif
 174