@samitouri / QOSamiQemu
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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 "system/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_resamplefds_allowed;
21 bool kvm_msi_via_irqfd_allowed;
22 bool kvm_gsi_routing_allowed;
23 bool kvm_gsi_direct_mapping;
24 bool kvm_allowed;
25 bool kvm_readonly_mem_allowed;
26 bool kvm_msi_use_devid;
27
28 void kvm_flush_coalesced_mmio_buffer(void)
29 {
30 }
31
32 bool kvm_has_sync_mmu(void)
33 {
34 return false;
35 }
36
37 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
38 {
39 return 1;
40 }
41
42 int kvm_on_sigbus(int code, void *addr)
43 {
44 return 1;
45 }
46
47 int kvm_irqchip_add_msi_route(AccelRouteChange *c, int vector, PCIDevice *dev)
48 {
49 return -ENOSYS;
50 }
51
52 void kvm_init_irq_routing(KVMState *s)
53 {
54 }
55
56 void kvm_irqchip_release_virq(KVMState *s, int virq)
57 {
58 }
59
60 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
61 PCIDevice *dev)
62 {
63 return -ENOSYS;
64 }
65
66 void kvm_irqchip_commit_routes(KVMState *s)
67 {
68 }
69
70 void kvm_irqchip_add_change_notifier(Notifier *n)
71 {
72 }
73
74 void kvm_irqchip_remove_change_notifier(Notifier *n)
75 {
76 }
77
78 void kvm_irqchip_change_notify(void)
79 {
80 }
81
82 void kvm_vmfd_add_change_notifier(NotifierWithReturn *n)
83 {
84 }
85
86 void kvm_vmfd_remove_change_notifier(NotifierWithReturn *n)
87 {
88 }
89
90 void kvm_vcpufd_add_change_notifier(NotifierWithReturn *n)
91 {
92 return;
93 }
94
95 void kvm_vcpufd_remove_change_notifier(NotifierWithReturn *n)
96 {
97 return;
98 }
99
100 int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
101 EventNotifier *rn, int virq)
102 {
103 return -ENOSYS;
104 }
105
106 int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
107 int virq)
108 {
109 return -ENOSYS;
110 }
111
112 unsigned int kvm_get_max_memslots(void)
113 {
114 return 0;
115 }
116
117 unsigned int kvm_get_free_memslots(void)
118 {
119 return 0;
120 }
121
122 bool kvm_arm_supports_user_irq(void)
123 {
124 return false;
125 }
126
127 bool kvm_dirty_ring_enabled(void)
128 {
129 return false;
130 }
131
132 uint32_t kvm_dirty_ring_size(void)
133 {
134 return 0;
135 }
136
137 bool kvm_hwpoisoned_mem(void)
138 {
139 return false;
140 }
141
142 int kvm_create_guest_memfd(uint64_t size, uint64_t flags, Error **errp)
143 {
144 return -ENOSYS;
145 }