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 "cpu.h"
  15#include "sysemu/kvm.h"
  16
  17#ifndef CONFIG_USER_ONLY
  18#include "hw/pci/msi.h"
  19#endif
  20
  21KVMState *kvm_state;
  22bool kvm_kernel_irqchip;
  23bool kvm_async_interrupts_allowed;
  24bool kvm_eventfds_allowed;
  25bool kvm_irqfds_allowed;
  26bool kvm_resamplefds_allowed;
  27bool kvm_msi_via_irqfd_allowed;
  28bool kvm_gsi_routing_allowed;
  29bool kvm_gsi_direct_mapping;
  30bool kvm_allowed;
  31bool kvm_readonly_mem_allowed;
  32bool kvm_ioeventfd_any_length_allowed;
  33bool kvm_msi_use_devid;
  34
  35void kvm_flush_coalesced_mmio_buffer(void)
  36{
  37}
  38
  39void kvm_cpu_synchronize_state(CPUState *cpu)
  40{
  41}
  42
  43bool kvm_has_sync_mmu(void)
  44{
  45    return false;
  46}
  47
  48int kvm_has_many_ioeventfds(void)
  49{
  50    return 0;
  51}
  52
  53int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
  54{
  55    return -ENOSYS;
  56}
  57
  58int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
  59                          target_ulong len, int type)
  60{
  61    return -EINVAL;
  62}
  63
  64int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
  65                          target_ulong len, int type)
  66{
  67    return -EINVAL;
  68}
  69
  70void kvm_remove_all_breakpoints(CPUState *cpu)
  71{
  72}
  73
  74int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
  75{
  76    return 1;
  77}
  78
  79int kvm_on_sigbus(int code, void *addr)
  80{
  81    return 1;
  82}
  83
  84bool kvm_memcrypt_enabled(void)
  85{
  86    return false;
  87}
  88
  89int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
  90{
  91  return 1;
  92}
  93
  94#ifndef CONFIG_USER_ONLY
  95int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
  96{
  97    return -ENOSYS;
  98}
  99
 100void kvm_init_irq_routing(KVMState *s)
 101{
 102}
 103
 104void kvm_irqchip_release_virq(KVMState *s, int virq)
 105{
 106}
 107
 108int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
 109                                 PCIDevice *dev)
 110{
 111    return -ENOSYS;
 112}
 113
 114void kvm_irqchip_commit_routes(KVMState *s)
 115{
 116}
 117
 118void kvm_irqchip_add_change_notifier(Notifier *n)
 119{
 120}
 121
 122void kvm_irqchip_remove_change_notifier(Notifier *n)
 123{
 124}
 125
 126void kvm_irqchip_change_notify(void)
 127{
 128}
 129
 130int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 131{
 132    return -ENOSYS;
 133}
 134
 135int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 136                                       EventNotifier *rn, int virq)
 137{
 138    return -ENOSYS;
 139}
 140
 141int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 142                                          int virq)
 143{
 144    return -ENOSYS;
 145}
 146
 147bool kvm_has_free_slot(MachineState *ms)
 148{
 149    return false;
 150}
 151
 152void kvm_init_cpu_signals(CPUState *cpu)
 153{
 154    abort();
 155}
 156
 157bool kvm_arm_supports_user_irq(void)
 158{
 159    return false;
 160}
 161#endif
 162