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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 "qemu/osdep.h"
11 #include "cpu.h"
12 #include "sysemu/kvm.h"
13
14 /*
15 * All of the following interrupts are floating, i.e. not per-vcpu.
16 * We just need a dummy cpustate in order to be able to inject in the
17 * non-kvm case.
18 */
19 #if !defined(CONFIG_USER_ONLY)
20 void s390_sclp_extint(uint32_t parm)
21 {
22 if (kvm_enabled()) {
23 kvm_s390_service_interrupt(parm);
24 } else {
25 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
26
27 cpu_inject_ext(dummy_cpu, EXT_SERVICE, parm, 0);
28 }
29 }
30
31 void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
32 uint32_t io_int_parm, uint32_t io_int_word)
33 {
34 if (kvm_enabled()) {
35 kvm_s390_io_interrupt(subchannel_id, subchannel_nr, io_int_parm,
36 io_int_word);
37 } else {
38 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
39
40 cpu_inject_io(dummy_cpu, subchannel_id, subchannel_nr, io_int_parm,
41 io_int_word);
42 }
43 }
44
45 void s390_crw_mchk(void)
46 {
47 if (kvm_enabled()) {
48 kvm_s390_crw_mchk();
49 } else {
50 S390CPU *dummy_cpu = s390_cpu_addr2state(0);
51
52 cpu_inject_crw_mchk(dummy_cpu);
53 }
54 }
55
56 #endif