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_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
  50{
  51    return -ENOSYS;
  52}
  53
  54int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
  55                          target_ulong len, int type)
  56{
  57    return -EINVAL;
  58}
  59
  60int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
  61                          target_ulong len, int type)
  62{
  63    return -EINVAL;
  64}
  65
  66void kvm_remove_all_breakpoints(CPUState *cpu)
  67{
  68}
  69
  70int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
  71{
  72    return 1;
  73}
  74
  75int kvm_on_sigbus(int code, void *addr)
  76{
  77    return 1;
  78}
  79
  80int kvm_irqchip_add_msi_route(KVMRouteChange *c, int vector, PCIDevice *dev)
  81{
  82    return -ENOSYS;
  83}
  84
  85void kvm_init_irq_routing(KVMState *s)
  86{
  87}
  88
  89void kvm_irqchip_release_virq(KVMState *s, int virq)
  90{
  91}
  92
  93int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
  94                                 PCIDevice *dev)
  95{
  96    return -ENOSYS;
  97}
  98
  99void kvm_irqchip_commit_routes(KVMState *s)
 100{
 101}
 102
 103void kvm_irqchip_add_change_notifier(Notifier *n)
 104{
 105}
 106
 107void kvm_irqchip_remove_change_notifier(Notifier *n)
 108{
 109}
 110
 111void kvm_irqchip_change_notify(void)
 112{
 113}
 114
 115int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 116{
 117    return -ENOSYS;
 118}
 119
 120int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 121                                       EventNotifier *rn, int virq)
 122{
 123    return -ENOSYS;
 124}
 125
 126int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 127                                          int virq)
 128{
 129    return -ENOSYS;
 130}
 131
 132bool kvm_has_free_slot(MachineState *ms)
 133{
 134    return false;
 135}
 136
 137void kvm_init_cpu_signals(CPUState *cpu)
 138{
 139    abort();
 140}
 141
 142bool kvm_arm_supports_user_irq(void)
 143{
 144    return false;
 145}
 146
 147bool kvm_dirty_ring_enabled(void)
 148{
 149    return false;
 150}
 151
 152uint32_t kvm_dirty_ring_size(void)
 153{
 154    return 0;
 155}
 156