block: User BdrvChild callback for device name
[qemu.git] / 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 "hw/hw.h"
16 #include "cpu.h"
17 #include "sysemu/kvm.h"
18
19 #ifndef CONFIG_USER_ONLY
20 #include "hw/pci/msi.h"
21 #endif
22
23 KVMState *kvm_state;
24 bool kvm_kernel_irqchip;
25 bool kvm_async_interrupts_allowed;
26 bool kvm_eventfds_allowed;
27 bool kvm_irqfds_allowed;
28 bool kvm_resamplefds_allowed;
29 bool kvm_msi_via_irqfd_allowed;
30 bool kvm_gsi_routing_allowed;
31 bool kvm_gsi_direct_mapping;
32 bool kvm_allowed;
33 bool kvm_readonly_mem_allowed;
34 bool kvm_ioeventfd_any_length_allowed;
35
36 int kvm_init_vcpu(CPUState *cpu)
37 {
38 return -ENOSYS;
39 }
40
41 void kvm_flush_coalesced_mmio_buffer(void)
42 {
43 }
44
45 void kvm_cpu_synchronize_state(CPUState *cpu)
46 {
47 }
48
49 void kvm_cpu_synchronize_post_reset(CPUState *cpu)
50 {
51 }
52
53 void kvm_cpu_synchronize_post_init(CPUState *cpu)
54 {
55 }
56
57 int kvm_cpu_exec(CPUState *cpu)
58 {
59 abort();
60 }
61
62 int kvm_has_sync_mmu(void)
63 {
64 return 0;
65 }
66
67 int kvm_has_many_ioeventfds(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(CPUState *cpu, unsigned long reinject_trap)
77 {
78 return -ENOSYS;
79 }
80
81 int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
82 target_ulong len, int type)
83 {
84 return -EINVAL;
85 }
86
87 int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
88 target_ulong len, int type)
89 {
90 return -EINVAL;
91 }
92
93 void kvm_remove_all_breakpoints(CPUState *cpu)
94 {
95 }
96
97 #ifndef _WIN32
98 int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)
99 {
100 abort();
101 }
102 #endif
103
104 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
105 {
106 return 1;
107 }
108
109 int kvm_on_sigbus(int code, void *addr)
110 {
111 return 1;
112 }
113
114 #ifndef CONFIG_USER_ONLY
115 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev)
116 {
117 return -ENOSYS;
118 }
119
120 void kvm_init_irq_routing(KVMState *s)
121 {
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 PCIDevice *dev)
130 {
131 return -ENOSYS;
132 }
133
134 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
135 {
136 return -ENOSYS;
137 }
138
139 int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
140 EventNotifier *rn, int virq)
141 {
142 return -ENOSYS;
143 }
144
145 int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
146 int virq)
147 {
148 return -ENOSYS;
149 }
150
151 bool kvm_has_free_slot(MachineState *ms)
152 {
153 return false;
154 }
155 #endif