xref: /qemu/hw/s390x/s390-hypercall.h (revision 70ce076fa6dff60585c229a4b641b13e64bf03cf)
1 /*
2  * Support for QEMU/KVM hypercalls on s390x
3  *
4  * Copyright IBM Corp. 2012, 2017
5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
6  *
7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
8  * your option) any later version. See the COPYING file in the top-level
9  * directory.
10  */
11 
12 #ifndef HW_S390_HYPERCALL_H
13 #define HW_S390_HYPERCALL_H
14 
15 #include "cpu.h"
16 
17 #define DIAG500_VIRTIO_NOTIFY           0 /* legacy, implemented as a NOP */
18 #define DIAG500_VIRTIO_RESET            1 /* legacy */
19 #define DIAG500_VIRTIO_SET_STATUS       2 /* legacy */
20 #define DIAG500_VIRTIO_CCW_NOTIFY       3 /* KVM_S390_VIRTIO_CCW_NOTIFY */
21 #define DIAG500_STORAGE_LIMIT           4
22 
23 void handle_diag_500(S390CPU *cpu, uintptr_t ra);
24 
25 #endif /* HW_S390_HYPERCALL_H */
26