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 "sysemu/kvm.h"
  15#include "hw/pci/msi.h"
  16
  17KVMState *kvm_state;
  18bool kvm_kernel_irqchip;
  19bool kvm_async_interrupts_allowed;
  20bool kvm_eventfds_allowed;
  21bool kvm_irqfds_allowed;
  22bool kvm_resamplefds_allowed;
  23bool kvm_msi_via_irqfd_allowed;
  24bool kvm_gsi_routing_allowed;
  25bool kvm_gsi_direct_mapping;
  26bool kvm_allowed;
  27bool kvm_readonly_mem_allowed;
  28bool kvm_ioeventfd_any_length_allowed;
  29bool kvm_msi_use_devid;
  30
  31void kvm_flush_coalesced_mmio_buffer(void)
  32{
  33}
  34
  35void kvm_cpu_synchronize_state(CPUState *cpu)
  36{
  37}
  38
  39bool kvm_has_sync_mmu(void)
  40{
  41    return false;
  42}
  43
  44int kvm_has_many_ioeventfds(void)
  45{
  46    return 0;
  47}
  48
  49int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
  50{
  51    return 1;
  52}
  53
  54int kvm_on_sigbus(int code, void *addr)
  55{
  56    return 1;
  57}
  58
  59int kvm_irqchip_add_msi_route(KVMRouteChange *c, int vector, PCIDevice *dev)
  60{
  61    return -ENOSYS;
  62}
  63
  64void kvm_init_irq_routing(KVMState *s)
  65{
  66}
  67
  68void kvm_irqchip_release_virq(KVMState *s, int virq)
  69{
  70}
  71
  72int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
  73                                 PCIDevice *dev)
  74{
  75    return -ENOSYS;
  76}
  77
  78void kvm_irqchip_commit_routes(KVMState *s)
  79{
  80}
  81
  82void kvm_irqchip_add_change_notifier(Notifier *n)
  83{
  84}
  85
  86void kvm_irqchip_remove_change_notifier(Notifier *n)
  87{
  88}
  89
  90void kvm_irqchip_change_notify(void)
  91{
  92}
  93
  94int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
  95{
  96    return -ENOSYS;
  97}
  98
  99int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 100                                       EventNotifier *rn, int virq)
 101{
 102    return -ENOSYS;
 103}
 104
 105int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 106                                          int virq)
 107{
 108    return -ENOSYS;
 109}
 110
 111bool kvm_has_free_slot(MachineState *ms)
 112{
 113    return false;
 114}
 115
 116void kvm_init_cpu_signals(CPUState *cpu)
 117{
 118    abort();
 119}
 120
 121bool kvm_arm_supports_user_irq(void)
 122{
 123    return false;
 124}
 125
 126bool kvm_dirty_ring_enabled(void)
 127{
 128    return false;
 129}
 130
 131uint32_t kvm_dirty_ring_size(void)
 132{
 133    return 0;
 134}
 135