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
  35int kvm_destroy_vcpu(CPUState *cpu)
  36{
  37    return -ENOSYS;
  38}
  39
  40int kvm_init_vcpu(CPUState *cpu)
  41{
  42    return -ENOSYS;
  43}
  44
  45void kvm_flush_coalesced_mmio_buffer(void)
  46{
  47}
  48
  49void kvm_cpu_synchronize_state(CPUState *cpu)
  50{
  51}
  52
  53void kvm_cpu_synchronize_post_reset(CPUState *cpu)
  54{
  55}
  56
  57void kvm_cpu_synchronize_post_init(CPUState *cpu)
  58{
  59}
  60
  61int kvm_cpu_exec(CPUState *cpu)
  62{
  63    abort();
  64}
  65
  66bool kvm_has_sync_mmu(void)
  67{
  68    return false;
  69}
  70
  71int kvm_has_many_ioeventfds(void)
  72{
  73    return 0;
  74}
  75
  76int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
  77{
  78    return -ENOSYS;
  79}
  80
  81int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
  82                          target_ulong len, int type)
  83{
  84    return -EINVAL;
  85}
  86
  87int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
  88                          target_ulong len, int type)
  89{
  90    return -EINVAL;
  91}
  92
  93void kvm_remove_all_breakpoints(CPUState *cpu)
  94{
  95}
  96
  97int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
  98{
  99    return 1;
 100}
 101
 102int kvm_on_sigbus(int code, void *addr)
 103{
 104    return 1;
 105}
 106
 107bool kvm_memcrypt_enabled(void)
 108{
 109    return false;
 110}
 111
 112int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
 113{
 114  return 1;
 115}
 116
 117#ifndef CONFIG_USER_ONLY
 118int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
 119{
 120    return -ENOSYS;
 121}
 122
 123void kvm_init_irq_routing(KVMState *s)
 124{
 125}
 126
 127void kvm_irqchip_release_virq(KVMState *s, int virq)
 128{
 129}
 130
 131int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
 132                                 PCIDevice *dev)
 133{
 134    return -ENOSYS;
 135}
 136
 137void kvm_irqchip_commit_routes(KVMState *s)
 138{
 139}
 140
 141int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 142{
 143    return -ENOSYS;
 144}
 145
 146int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 147                                       EventNotifier *rn, int virq)
 148{
 149    return -ENOSYS;
 150}
 151
 152int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 153                                          int virq)
 154{
 155    return -ENOSYS;
 156}
 157
 158bool kvm_has_free_slot(MachineState *ms)
 159{
 160    return false;
 161}
 162
 163void kvm_init_cpu_signals(CPUState *cpu)
 164{
 165    abort();
 166}
 167
 168bool kvm_arm_supports_user_irq(void)
 169{
 170    return false;
 171}
 172#endif
 173