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Paolo Bonzini98c85732010-04-19 18:59:30 +00001/*
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-common.h"
Paolo Bonzini98c85732010-04-19 18:59:30 +000014#include "hw/hw.h"
Blue Swirl2b41f102011-06-19 20:38:22 +000015#include "cpu.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010016#include "sysemu/kvm.h"
Paolo Bonzini98c85732010-04-19 18:59:30 +000017
Igor Mammedovc4cfef52013-04-23 10:29:35 +020018#ifndef CONFIG_USER_ONLY
19#include "hw/pci/msi.h"
20#endif
21
Jan Kiszka92b4e482012-05-17 10:32:33 -030022KVMState *kvm_state;
Jan Kiszkabbf3b802012-05-17 10:32:37 -030023bool kvm_kernel_irqchip;
Peter Maydell7ae26bd2012-07-26 15:35:11 +010024bool kvm_async_interrupts_allowed;
Peter Maydellcc7e0dd2012-07-26 15:35:14 +010025bool kvm_irqfds_allowed;
Peter Maydell614e41b2012-07-26 15:35:15 +010026bool kvm_msi_via_irqfd_allowed;
Peter Maydellf3e1bed2012-07-26 15:35:16 +010027bool kvm_gsi_routing_allowed;
Alexey Kardashevskiy76fe21d2013-09-03 18:08:25 +100028bool kvm_gsi_direct_mapping;
Igor Mammedov13eed942013-04-23 10:29:36 +020029bool kvm_allowed;
Jordan Justendf9c8b72013-05-29 01:27:25 -070030bool kvm_readonly_mem_allowed;
Jan Kiszka92b4e482012-05-17 10:32:33 -030031
Andreas Färber504134d2012-12-17 06:38:45 +010032int kvm_init_vcpu(CPUState *cpu)
Paolo Bonzini98c85732010-04-19 18:59:30 +000033{
34 return -ENOSYS;
35}
36
Aneesh Kumar K.V135a1292013-12-23 21:10:40 +053037int kvm_init(QEMUMachine *machine)
Paolo Bonzini98c85732010-04-19 18:59:30 +000038{
39 return -ENOSYS;
40}
41
42void kvm_flush_coalesced_mmio_buffer(void)
43{
44}
45
Andreas Färberdd1750d2013-05-01 13:45:44 +020046void kvm_cpu_synchronize_state(CPUState *cpu)
Paolo Bonzini98c85732010-04-19 18:59:30 +000047{
48}
49
Igor Mammedov3f24a582013-04-11 16:51:41 +020050void kvm_cpu_synchronize_post_reset(CPUState *cpu)
Paolo Bonzini98c85732010-04-19 18:59:30 +000051{
52}
53
Igor Mammedov3f24a582013-04-11 16:51:41 +020054void kvm_cpu_synchronize_post_init(CPUState *cpu)
Paolo Bonzini98c85732010-04-19 18:59:30 +000055{
56}
57
Andreas Färber1458c362013-05-26 23:46:55 +020058int kvm_cpu_exec(CPUState *cpu)
Paolo Bonzini98c85732010-04-19 18:59:30 +000059{
Andreas Färber1458c362013-05-26 23:46:55 +020060 abort();
Paolo Bonzini98c85732010-04-19 18:59:30 +000061}
62
63int kvm_has_sync_mmu(void)
64{
65 return 0;
66}
67
Stefan Hajnoczid2f2b8a2011-01-10 13:50:05 +020068int kvm_has_many_ioeventfds(void)
69{
70 return 0;
71}
72
Jan Kiszka8a7c7392012-03-02 20:28:48 +010073int kvm_has_pit_state2(void)
74{
75 return 0;
76}
77
Paolo Bonzini98c85732010-04-19 18:59:30 +000078void kvm_setup_guest_memory(void *start, size_t size)
79{
80}
81
Stefan Weil38e478e2013-07-25 20:50:21 +020082int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
Paolo Bonzini98c85732010-04-19 18:59:30 +000083{
Jan Kiszka4bef75b2011-06-08 16:11:04 +020084 return -ENOSYS;
Paolo Bonzini98c85732010-04-19 18:59:30 +000085}
86
Andreas Färber62278812013-06-27 17:12:06 +020087int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
Paolo Bonzini98c85732010-04-19 18:59:30 +000088 target_ulong len, int type)
89{
90 return -EINVAL;
91}
92
Andreas Färber62278812013-06-27 17:12:06 +020093int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
Paolo Bonzini98c85732010-04-19 18:59:30 +000094 target_ulong len, int type)
95{
96 return -EINVAL;
97}
98
Andreas Färber1d5791f2013-05-27 14:40:48 +020099void kvm_remove_all_breakpoints(CPUState *cpu)
Paolo Bonzini98c85732010-04-19 18:59:30 +0000100{
101}
102
103#ifndef _WIN32
Andreas Färber491d6e82013-05-26 23:38:10 +0200104int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)
Paolo Bonzini98c85732010-04-19 18:59:30 +0000105{
106 abort();
107}
108#endif
109
Andreas Färber290adf32013-01-17 09:30:27 +0100110int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
Jan Kiszkaa1b87fe2011-02-01 22:15:51 +0100111{
112 return 1;
113}
114
Marcelo Tosattic0532a72010-10-11 15:31:21 -0300115int kvm_on_sigbus(int code, void *addr)
116{
117 return 1;
118}
Jan Kiszka92b4e482012-05-17 10:32:33 -0300119
Igor Mammedovc4cfef52013-04-23 10:29:35 +0200120#ifndef CONFIG_USER_ONLY
Jan Kiszka92b4e482012-05-17 10:32:33 -0300121int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
122{
123 return -ENOSYS;
124}
Jan Kiszka1e2aa8b2012-05-17 10:32:34 -0300125
Alexander Graf7b774592013-04-16 15:58:13 +0200126void kvm_init_irq_routing(KVMState *s)
127{
128}
129
Jan Kiszka1e2aa8b2012-05-17 10:32:34 -0300130void kvm_irqchip_release_virq(KVMState *s, int virq)
131{
132}
Jan Kiszka39853bb2012-05-17 10:32:36 -0300133
Michael S. Tsirkin078bbb52012-12-21 00:47:46 +0200134int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg)
135{
136 return -ENOSYS;
137}
138
Paolo Bonzini821c8082013-08-27 17:13:44 +0200139int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
140 EventNotifier *rn, int virq)
Jan Kiszka39853bb2012-05-17 10:32:36 -0300141{
142 return -ENOSYS;
143}
144
Jan Kiszkab131c742012-08-20 10:55:56 +0200145int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
Paolo Bonzini15b2bd12012-07-05 17:16:30 +0200146{
147 return -ENOSYS;
148}
Igor Mammedovc4cfef52013-04-23 10:29:35 +0200149#endif