qemu

FORK: QEMU emulator
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kvm-stub.c (2284B)

      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 "sysemu/kvm.h"
     15 #include "hw/pci/msi.h"
     16 
     17 KVMState *kvm_state;
     18 bool kvm_kernel_irqchip;
     19 bool kvm_async_interrupts_allowed;
     20 bool kvm_eventfds_allowed;
     21 bool kvm_irqfds_allowed;
     22 bool kvm_resamplefds_allowed;
     23 bool kvm_msi_via_irqfd_allowed;
     24 bool kvm_gsi_routing_allowed;
     25 bool kvm_gsi_direct_mapping;
     26 bool kvm_allowed;
     27 bool kvm_readonly_mem_allowed;
     28 bool kvm_ioeventfd_any_length_allowed;
     29 bool kvm_msi_use_devid;
     30 
     31 void kvm_flush_coalesced_mmio_buffer(void)
     32 {
     33 }
     34 
     35 void kvm_cpu_synchronize_state(CPUState *cpu)
     36 {
     37 }
     38 
     39 bool kvm_has_sync_mmu(void)
     40 {
     41     return false;
     42 }
     43 
     44 int kvm_has_many_ioeventfds(void)
     45 {
     46     return 0;
     47 }
     48 
     49 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
     50 {
     51     return 1;
     52 }
     53 
     54 int kvm_on_sigbus(int code, void *addr)
     55 {
     56     return 1;
     57 }
     58 
     59 int kvm_irqchip_add_msi_route(KVMRouteChange *c, int vector, PCIDevice *dev)
     60 {
     61     return -ENOSYS;
     62 }
     63 
     64 void kvm_init_irq_routing(KVMState *s)
     65 {
     66 }
     67 
     68 void kvm_irqchip_release_virq(KVMState *s, int virq)
     69 {
     70 }
     71 
     72 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
     73                                  PCIDevice *dev)
     74 {
     75     return -ENOSYS;
     76 }
     77 
     78 void kvm_irqchip_commit_routes(KVMState *s)
     79 {
     80 }
     81 
     82 void kvm_irqchip_add_change_notifier(Notifier *n)
     83 {
     84 }
     85 
     86 void kvm_irqchip_remove_change_notifier(Notifier *n)
     87 {
     88 }
     89 
     90 void kvm_irqchip_change_notify(void)
     91 {
     92 }
     93 
     94 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
     95 {
     96     return -ENOSYS;
     97 }
     98 
     99 int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
    100                                        EventNotifier *rn, int virq)
    101 {
    102     return -ENOSYS;
    103 }
    104 
    105 int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
    106                                           int virq)
    107 {
    108     return -ENOSYS;
    109 }
    110 
    111 bool kvm_has_free_slot(MachineState *ms)
    112 {
    113     return false;
    114 }
    115 
    116 void kvm_init_cpu_signals(CPUState *cpu)
    117 {
    118     abort();
    119 }
    120 
    121 bool kvm_arm_supports_user_irq(void)
    122 {
    123     return false;
    124 }
    125 
    126 bool kvm_dirty_ring_enabled(void)
    127 {
    128     return false;
    129 }
    130 
    131 uint32_t kvm_dirty_ring_size(void)
    132 {
    133     return 0;
    134 }