These changes are the raw update to qemu-2.6.
[kvmfornfv.git] / qemu / 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 "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