Merge remote-tracking branch 'remotes/sstabellini/xen-2014-11-14' into staging
[qemu.git] / target-s390x / interrupt.c
1 /*
2 * QEMU S/390 Interrupt support
3 *
4 * Copyright IBM Corp. 2012, 2014
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2 or (at your
7 * option) any later version. See the COPYING file in the top-level directory.
8 */
9
10 #include "cpu.h"
11 #include "sysemu/kvm.h"
12
13 /*
14 * All of the following interrupts are floating, i.e. not per-vcpu.
15 * We just need a dummy cpustate in order to be able to inject in the
16 * non-kvm case.
17 */
18 #if !defined(CONFIG_USER_ONLY)
19 void s390_sclp_extint(uint32_t parm)
20 {
21 if (kvm_enabled()) {
22 kvm_s390_service_interrupt(parm);
23 } else {
24 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
25
26 cpu_inject_ext(dummy_cpu, EXT_SERVICE, parm, 0);
27 }
28 }
29
30 void s390_virtio_irq(int config_change, uint64_t token)
31 {
32 if (kvm_enabled()) {
33 kvm_s390_virtio_irq(config_change, token);
34 } else {
35 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
36
37 cpu_inject_ext(dummy_cpu, EXT_VIRTIO, config_change, token);
38 }
39 }
40
41 void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
42 uint32_t io_int_parm, uint32_t io_int_word)
43 {
44 if (kvm_enabled()) {
45 kvm_s390_io_interrupt(subchannel_id, subchannel_nr, io_int_parm,
46 io_int_word);
47 } else {
48 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
49
50 cpu_inject_io(dummy_cpu, subchannel_id, subchannel_nr, io_int_parm,
51 io_int_word);
52 }
53 }
54
55 void s390_crw_mchk(void)
56 {
57 if (kvm_enabled()) {
58 kvm_s390_crw_mchk();
59 } else {
60 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
61
62 cpu_inject_crw_mchk(dummy_cpu);
63 }
64 }
65
66 #endif