summaryrefslogtreecommitdiffstats
path: root/accel/stubs/kvm-stub.c
blob: 2d793331438a9ae4e431073424a20caa9e27dd65 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
 * QEMU KVM stub
 *
 * Copyright Red Hat, Inc. 2010
 *
 * Author: Paolo Bonzini     <pbonzini@redhat.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 *
 */

#include "qemu/osdep.h"
#include "sysemu/kvm.h"
#include "hw/pci/msi.h"

KVMState *kvm_state;
bool kvm_kernel_irqchip;
bool kvm_async_interrupts_allowed;
bool kvm_eventfds_allowed;
bool kvm_irqfds_allowed;
bool kvm_resamplefds_allowed;
bool kvm_msi_via_irqfd_allowed;
bool kvm_gsi_routing_allowed;
bool kvm_gsi_direct_mapping;
bool kvm_allowed;
bool kvm_readonly_mem_allowed;
bool kvm_ioeventfd_any_length_allowed;
bool kvm_msi_use_devid;

void kvm_flush_coalesced_mmio_buffer(void)
{
}

void kvm_cpu_synchronize_state(CPUState *cpu)
{
}

bool kvm_has_sync_mmu(void)
{
    return false;
}

int kvm_has_many_ioeventfds(void)
{
    return 0;
}

int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
{
    return -ENOSYS;
}

int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
{
    return 1;
}

int kvm_on_sigbus(int code, void *addr)
{
    return 1;
}

int kvm_irqchip_add_msi_route(KVMRouteChange *c, int vector, PCIDevice *dev)
{
    return -ENOSYS;
}

void kvm_init_irq_routing(KVMState *s)
{
}

void kvm_irqchip_release_virq(KVMState *s, int virq)
{
}

int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
                                 PCIDevice *dev)
{
    return -ENOSYS;
}

void kvm_irqchip_commit_routes(KVMState *s)
{
}

void kvm_irqchip_add_change_notifier(Notifier *n)
{
}

void kvm_irqchip_remove_change_notifier(Notifier *n)
{
}

void kvm_irqchip_change_notify(void)
{
}

int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
{
    return -ENOSYS;
}

int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
                                       EventNotifier *rn, int virq)
{
    return -ENOSYS;
}

int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
                                          int virq)
{
    return -ENOSYS;
}

bool kvm_has_free_slot(MachineState *ms)
{
    return false;
}

void kvm_init_cpu_signals(CPUState *cpu)
{
    abort();
}

bool kvm_arm_supports_user_irq(void)
{
    return false;
}

bool kvm_dirty_ring_enabled(void)
{
    return false;
}

uint32_t kvm_dirty_ring_size(void)
{
    return 0;
}