LXR qemu/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
  67int kvm_has_sync_mmu(void)
  68{
  69    return 0;
  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
  98#ifndef _WIN32
  99int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)
 100{
 101    abort();
 102}
 103#endif
 104
 105int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
 106{
 107    return 1;
 108}
 109
 110int kvm_on_sigbus(int code, void *addr)
 111{
 112    return 1;
 113}
 114
 115#ifndef CONFIG_USER_ONLY
 116int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
 117{
 118    return -ENOSYS;
 119}
 120
 121void kvm_init_irq_routing(KVMState *s)
 122{
 123}
 124
 125void kvm_irqchip_release_virq(KVMState *s, int virq)
 126{
 127}
 128
 129int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
 130                                 PCIDevice *dev)
 131{
 132    return -ENOSYS;
 133}
 134
 135void kvm_irqchip_commit_routes(KVMState *s)
 136{
 137}
 138
 139int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 140{
 141    return -ENOSYS;
 142}
 143
 144int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 145                                       EventNotifier *rn, int virq)
 146{
 147    return -ENOSYS;
 148}
 149
 150int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 151                                          int virq)
 152{
 153    return -ENOSYS;
 154}
 155
 156bool kvm_has_free_slot(MachineState *ms)
 157{
 158    return false;
 159}
 160#endif
 161