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-common.h"
  14 #include "hw/hw.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
  22 KVMState *kvm_state;
  23 bool kvm_kernel_irqchip;
  24 bool kvm_async_interrupts_allowed;
  25 bool kvm_irqfds_allowed;
  26 bool kvm_msi_via_irqfd_allowed;
  27 bool kvm_gsi_routing_allowed;
  28 bool kvm_allowed;
  29
  30 int kvm_init_vcpu(CPUState *cpu)
  31 {
  32     return -ENOSYS;
  33 }
  34
  35 int kvm_init(void)
  36 {
  37     return -ENOSYS;
  38 }
  39
  40 void kvm_flush_coalesced_mmio_buffer(void)
  41 {
  42 }
  43
  44 void kvm_cpu_synchronize_state(CPUArchState *env)
  45 {
  46 }
  47
  48 void kvm_cpu_synchronize_post_reset(CPUState *cpu)
  49 {
  50 }
  51
  52 void kvm_cpu_synchronize_post_init(CPUState *cpu)
  53 {
  54 }
  55
  56 int kvm_cpu_exec(CPUArchState *env)
  57 {
  58     abort ();
  59 }
  60
  61 int kvm_has_sync_mmu(void)
  62 {
  63     return 0;
  64 }
  65
  66 int kvm_has_many_ioeventfds(void)
  67 {
  68     return 0;
  69 }
  70
  71 int kvm_has_pit_state2(void)
  72 {
  73     return 0;
  74 }
  75
  76 void kvm_setup_guest_memory(void *start, size_t size)
  77 {
  78 }
  79
  80 int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
  81 {
  82     return -ENOSYS;
  83 }
  84
  85 int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
  86                           target_ulong len, int type)
  87 {
  88     return -EINVAL;
  89 }
  90
  91 int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
  92                           target_ulong len, int type)
  93 {
  94     return -EINVAL;
  95 }
  96
  97 void kvm_remove_all_breakpoints(CPUArchState *current_env)
  98 {
  99 }
 100
 101 #ifndef _WIN32
 102 int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset)
 103 {
 104     abort();
 105 }
 106 #endif
 107
 108 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
 109 {
 110     return 1;
 111 }
 112
 113 int kvm_on_sigbus(int code, void *addr)
 114 {
 115     return 1;
 116 }
 117
 118 #ifndef CONFIG_USER_ONLY
 119 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
 120 {
 121     return -ENOSYS;
 122 }
 123
 124 void kvm_irqchip_release_virq(KVMState *s, int virq)
 125 {
 126 }
 127
 128 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg)
 129 {
 130     return -ENOSYS;
 131 }
 132
 133 int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 134 {
 135     return -ENOSYS;
 136 }
 137
 138 int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 139 {
 140     return -ENOSYS;
 141 }
 142 #endif