arm tcg cpus: Fix Lesser GPL version number
[qemu.git] / accel / stubs / 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 "cpu.h"
15 #include "sysemu/kvm.h"
16
17 #ifndef CONFIG_USER_ONLY
18 #include "hw/pci/msi.h"
19 #endif
20
21 KVMState *kvm_state;
22 bool kvm_kernel_irqchip;
23 bool kvm_async_interrupts_allowed;
24 bool kvm_eventfds_allowed;
25 bool kvm_irqfds_allowed;
26 bool kvm_resamplefds_allowed;
27 bool kvm_msi_via_irqfd_allowed;
28 bool kvm_gsi_routing_allowed;
29 bool kvm_gsi_direct_mapping;
30 bool kvm_allowed;
31 bool kvm_readonly_mem_allowed;
32 bool kvm_ioeventfd_any_length_allowed;
33 bool kvm_msi_use_devid;
34
35 void kvm_flush_coalesced_mmio_buffer(void)
36 {
37 }
38
39 void kvm_cpu_synchronize_state(CPUState *cpu)
40 {
41 }
42
43 bool kvm_has_sync_mmu(void)
44 {
45 return false;
46 }
47
48 int kvm_has_many_ioeventfds(void)
49 {
50 return 0;
51 }
52
53 int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
54 {
55 return -ENOSYS;
56 }
57
58 int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
59 target_ulong len, int type)
60 {
61 return -EINVAL;
62 }
63
64 int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
65 target_ulong len, int type)
66 {
67 return -EINVAL;
68 }
69
70 void kvm_remove_all_breakpoints(CPUState *cpu)
71 {
72 }
73
74 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
75 {
76 return 1;
77 }
78
79 int kvm_on_sigbus(int code, void *addr)
80 {
81 return 1;
82 }
83
84 bool kvm_memcrypt_enabled(void)
85 {
86 return false;
87 }
88
89 int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
90 {
91 return 1;
92 }
93
94 #ifndef CONFIG_USER_ONLY
95 int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
96 {
97 return -ENOSYS;
98 }
99
100 void kvm_init_irq_routing(KVMState *s)
101 {
102 }
103
104 void kvm_irqchip_release_virq(KVMState *s, int virq)
105 {
106 }
107
108 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
109 PCIDevice *dev)
110 {
111 return -ENOSYS;
112 }
113
114 void kvm_irqchip_commit_routes(KVMState *s)
115 {
116 }
117
118 void kvm_irqchip_add_change_notifier(Notifier *n)
119 {
120 }
121
122 void kvm_irqchip_remove_change_notifier(Notifier *n)
123 {
124 }
125
126 void kvm_irqchip_change_notify(void)
127 {
128 }
129
130 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
131 {
132 return -ENOSYS;
133 }
134
135 int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
136 EventNotifier *rn, int virq)
137 {
138 return -ENOSYS;
139 }
140
141 int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
142 int virq)
143 {
144 return -ENOSYS;
145 }
146
147 bool kvm_has_free_slot(MachineState *ms)
148 {
149 return false;
150 }
151
152 void kvm_init_cpu_signals(CPUState *cpu)
153 {
154 abort();
155 }
156
157 bool kvm_arm_supports_user_irq(void)
158 {
159 return false;
160 }
161 #endif