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;
  34
  35int kvm_init_vcpu(CPUState *cpu)
  36{
  37    return -ENOSYS;
  38}
  39
  40void kvm_flush_coalesced_mmio_buffer(void)
  41{
  42}
  43
  44void kvm_cpu_synchronize_state(CPUState *cpu)
  45{
  46}
  47
  48void kvm_cpu_synchronize_post_reset(CPUState *cpu)
  49{
  50}
  51
  52void kvm_cpu_synchronize_post_init(CPUState *cpu)
  53{
  54}
  55
  56int kvm_cpu_exec(CPUState *cpu)
  57{
  58    abort();
  59}
  60
  61int kvm_has_sync_mmu(void)
  62{
  63    return 0;
  64}
  65
  66int kvm_has_many_ioeventfds(void)
  67{
  68    return 0;
  69}
  70
  71void kvm_setup_guest_memory(void *start, size_t size)
  72{
  73}
  74
  75int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
  76{
  77    return -ENOSYS;
  78}
  79
  80int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
  81                          target_ulong len, int type)
  82{
  83    return -EINVAL;
  84}
  85
  86int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
  87                          target_ulong len, int type)
  88{
  89    return -EINVAL;
  90}
  91
  92void kvm_remove_all_breakpoints(CPUState *cpu)
  93{
  94}
  95
  96#ifndef _WIN32
  97int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)
  98{
  99    abort();
 100}
 101#endif
 102
 103int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
 104{
 105    return 1;
 106}
 107
 108int kvm_on_sigbus(int code, void *addr)
 109{
 110    return 1;
 111}
 112
 113#ifndef CONFIG_USER_ONLY
 114int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev)
 115{
 116    return -ENOSYS;
 117}
 118
 119void kvm_init_irq_routing(KVMState *s)
 120{
 121}
 122
 123void kvm_irqchip_release_virq(KVMState *s, int virq)
 124{
 125}
 126
 127int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
 128                                 PCIDevice *dev)
 129{
 130    return -ENOSYS;
 131}
 132
 133int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 134{
 135    return -ENOSYS;
 136}
 137
 138int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 139                                       EventNotifier *rn, int virq)
 140{
 141    return -ENOSYS;
 142}
 143
 144int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
 145                                          int virq)
 146{
 147    return -ENOSYS;
 148}
 149
 150bool kvm_has_free_slot(MachineState *ms)
 151{
 152    return false;
 153}
 154#endif
 155