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1 | /* | |
2 | * QEMU KVM stub | |
3 | * | |
4 | * Copyright Red Hat, Inc. 2010 | |
5 | * | |
6 | * Author: Paolo Bonzini <[email protected]> | |
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 | bool kvm_msi_use_devid; | |
35 | ||
36 | int kvm_destroy_vcpu(CPUState *cpu) | |
37 | { | |
38 | return -ENOSYS; | |
39 | } | |
40 | ||
41 | int kvm_init_vcpu(CPUState *cpu) | |
42 | { | |
43 | return -ENOSYS; | |
44 | } | |
45 | ||
46 | void kvm_flush_coalesced_mmio_buffer(void) | |
47 | { | |
48 | } | |
49 | ||
50 | void kvm_cpu_synchronize_state(CPUState *cpu) | |
51 | { | |
52 | } | |
53 | ||
54 | void kvm_cpu_synchronize_post_reset(CPUState *cpu) | |
55 | { | |
56 | } | |
57 | ||
58 | void kvm_cpu_synchronize_post_init(CPUState *cpu) | |
59 | { | |
60 | } | |
61 | ||
62 | int kvm_cpu_exec(CPUState *cpu) | |
63 | { | |
64 | abort(); | |
65 | } | |
66 | ||
67 | int kvm_has_sync_mmu(void) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | ||
72 | int kvm_has_many_ioeventfds(void) | |
73 | { | |
74 | return 0; | |
75 | } | |
76 | ||
77 | int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap) | |
78 | { | |
79 | return -ENOSYS; | |
80 | } | |
81 | ||
82 | int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, | |
83 | target_ulong len, int type) | |
84 | { | |
85 | return -EINVAL; | |
86 | } | |
87 | ||
88 | int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, | |
89 | target_ulong len, int type) | |
90 | { | |
91 | return -EINVAL; | |
92 | } | |
93 | ||
94 | void kvm_remove_all_breakpoints(CPUState *cpu) | |
95 | { | |
96 | } | |
97 | ||
98 | #ifndef _WIN32 | |
99 | int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset) | |
100 | { | |
101 | abort(); | |
102 | } | |
103 | #endif | |
104 | ||
105 | int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) | |
106 | { | |
107 | return 1; | |
108 | } | |
109 | ||
110 | int kvm_on_sigbus(int code, void *addr) | |
111 | { | |
112 | return 1; | |
113 | } | |
114 | ||
115 | #ifndef CONFIG_USER_ONLY | |
116 | int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) | |
117 | { | |
118 | return -ENOSYS; | |
119 | } | |
120 | ||
121 | void kvm_init_irq_routing(KVMState *s) | |
122 | { | |
123 | } | |
124 | ||
125 | void kvm_irqchip_release_virq(KVMState *s, int virq) | |
126 | { | |
127 | } | |
128 | ||
129 | int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, | |
130 | PCIDevice *dev) | |
131 | { | |
132 | return -ENOSYS; | |
133 | } | |
134 | ||
135 | void kvm_irqchip_commit_routes(KVMState *s) | |
136 | { | |
137 | } | |
138 | ||
139 | int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter) | |
140 | { | |
141 | return -ENOSYS; | |
142 | } | |
143 | ||
144 | int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, | |
145 | EventNotifier *rn, int virq) | |
146 | { | |
147 | return -ENOSYS; | |
148 | } | |
149 | ||
150 | int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, | |
151 | int virq) | |
152 | { | |
153 | return -ENOSYS; | |
154 | } | |
155 | ||
156 | bool kvm_has_free_slot(MachineState *ms) | |
157 | { | |
158 | return false; | |
159 | } | |
160 | #endif |