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 "hw/pci/msi.h"
  16 #include "cpu.h"
  17 #include "sysemu/kvm.h"
  18
  19 KVMState *kvm_state;
  20 bool kvm_kernel_irqchip;
  21 bool kvm_async_interrupts_allowed;
  22 bool kvm_irqfds_allowed;
  23 bool kvm_msi_via_irqfd_allowed;
  24 bool kvm_gsi_routing_allowed;
  25
  26 int kvm_init_vcpu(CPUState *cpu)
  27 {
  28     return -ENOSYS;
  29 }
  30
  31 int kvm_init(void)
  32 {
  33     return -ENOSYS;
  34 }
  35
  36 void kvm_flush_coalesced_mmio_buffer(void)
  37 {
  38 }
  39
  40 void kvm_cpu_synchronize_state(CPUArchState *env)
  41 {
  42 }
  43
  44 void kvm_cpu_synchronize_post_reset(CPUArchState *env)
  45 {
  46 }
  47
  48 void kvm_cpu_synchronize_post_init(CPUArchState *env)
  49 {
  50 }
  51
  52 int kvm_cpu_exec(CPUArchState *env)
  53 {
  54     abort ();
  55 }
  56
  57 int kvm_has_sync_mmu(void)
  58 {
  59     return 0;
  60 }
  61
  62 int kvm_has_many_ioeventfds(void)
  63 {
  64     return 0;
  65 }
  66
  67 int kvm_has_pit_state2(void)
  68 {
  69     return 0;
  70 }
  71
  72 void kvm_setup_guest_memory(void *start, size_t size)
  73 {
  74 }
  75
  76 int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
  77 {
  78     return -ENOSYS;
  79 }
  80
  81 int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
  82                           target_ulong len, int type)
  83 {
  84     return -EINVAL;
  85 }
  86
  87 int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
  88                           target_ulong len, int type)
  89 {
  90     return -EINVAL;
  91 }
  92
  93 void kvm_remove_all_breakpoints(CPUArchState *current_env)
  94 {
  95 }
  96
  97 #ifndef _WIN32
  98 int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset)
  99 {
 100     abort();
 101 }
 102 #endif
 103
 104 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 105 {
 106     return -ENOSYS;
 107 }
 108
 109 int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign, uint32_t len)
 110 {
 111     return -ENOSYS;
 112 }
 113
 114 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
 115 {
 116     return 1;
 117 }
 118
 119 int kvm_on_sigbus(int code, void *addr)
 120 {
 121     return 1;
 122 }
 123
 124 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
 125 {
 126     return -ENOSYS;
 127 }
 128
 129 void kvm_irqchip_release_virq(KVMState *s, int virq)
 130 {
 131 }
 132
 133 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg)
 134 {
 135     return -ENOSYS;
 136 }
 137
 138 int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 139 {
 140     return -ENOSYS;
 141 }
 142
 143 int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 144 {
 145     return -ENOSYS;
 146 }