linux-user: Use safe_syscall for execve syscall
[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 "cpu.h"
16 #include "sysemu/kvm.h"
17
18 #ifndef CONFIG_USER_ONLY
19 #include "hw/pci/msi.h"
20 #endif
21
22 KVMState *kvm_state;
23 bool kvm_kernel_irqchip;
24 bool kvm_async_interrupts_allowed;
25 bool kvm_eventfds_allowed;
26 bool kvm_irqfds_allowed;
27 bool kvm_resamplefds_allowed;
28 bool kvm_msi_via_irqfd_allowed;
29 bool kvm_gsi_routing_allowed;
30 bool kvm_gsi_direct_mapping;
31 bool kvm_allowed;
32 bool kvm_readonly_mem_allowed;
33 bool kvm_ioeventfd_any_length_allowed;
34
35 int kvm_init_vcpu(CPUState *cpu)
36 {
37 return -ENOSYS;
38 }
39
40 void kvm_flush_coalesced_mmio_buffer(void)
41 {
42 }
43
44 void kvm_cpu_synchronize_state(CPUState *cpu)
45 {
46 }
47
48 void kvm_cpu_synchronize_post_reset(CPUState *cpu)
49 {
50 }
51
52 void kvm_cpu_synchronize_post_init(CPUState *cpu)
53 {
54 }
55
56 int kvm_cpu_exec(CPUState *cpu)
57 {
58 abort();
59 }
60
61 int kvm_has_sync_mmu(void)
62 {
63 return 0;
64 }
65
66 int kvm_has_many_ioeventfds(void)
67 {
68 return 0;
69 }
70
71 void kvm_setup_guest_memory(void *start, size_t size)
72 {
73 }
74
75 int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
76 {
77 return -ENOSYS;
78 }
79
80 int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
81 target_ulong len, int type)
82 {
83 return -EINVAL;
84 }
85
86 int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
87 target_ulong len, int type)
88 {
89 return -EINVAL;
90 }
91
92 void kvm_remove_all_breakpoints(CPUState *cpu)
93 {
94 }
95
96 #ifndef _WIN32
97 int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)
98 {
99 abort();
100 }
101 #endif
102
103 int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
104 {
105 return 1;
106 }
107
108 int kvm_on_sigbus(int code, void *addr)
109 {
110 return 1;
111 }
112
113 #ifndef CONFIG_USER_ONLY
114 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev)
115 {
116 return -ENOSYS;
117 }
118
119 void kvm_init_irq_routing(KVMState *s)
120 {
121 }
122
123 void kvm_irqchip_release_virq(KVMState *s, int virq)
124 {
125 }
126
127 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
128 PCIDevice *dev)
129 {
130 return -ENOSYS;
131 }
132
133 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
134 {
135 return -ENOSYS;
136 }
137
138 int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
139 EventNotifier *rn, int virq)
140 {
141 return -ENOSYS;
142 }
143
144 int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
145 int virq)
146 {
147 return -ENOSYS;
148 }
149
150 bool kvm_has_free_slot(MachineState *ms)
151 {
152 return false;
153 }
154 #endif