diff options
Diffstat (limited to 'qemu/include/hw/s390x/s390_flic.h')
-rw-r--r-- | qemu/include/hw/s390x/s390_flic.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/qemu/include/hw/s390x/s390_flic.h b/qemu/include/hw/s390x/s390_flic.h new file mode 100644 index 000000000..200e7e93f --- /dev/null +++ b/qemu/include/hw/s390x/s390_flic.h @@ -0,0 +1,79 @@ +/* + * QEMU S390x floating interrupt controller (flic) + * + * Copyright 2014 IBM Corp. + * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com> + * Cornelia Huck <cornelia.huck@de.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#ifndef __HW_S390_FLIC_H +#define __HW_S390_FLIC_H + +#include "hw/sysbus.h" +#include "hw/s390x/adapter.h" +#include "hw/virtio/virtio.h" + +#define ADAPTER_ROUTES_MAX_GSI 64 +#define VIRTIO_CCW_QUEUE_MAX ADAPTER_ROUTES_MAX_GSI + +typedef struct AdapterRoutes { + AdapterInfo adapter; + int num_routes; + int gsi[ADAPTER_ROUTES_MAX_GSI]; +} AdapterRoutes; + +#define TYPE_S390_FLIC_COMMON "s390-flic" +#define S390_FLIC_COMMON(obj) \ + OBJECT_CHECK(S390FLICState, (obj), TYPE_S390_FLIC_COMMON) + +typedef struct S390FLICState { + SysBusDevice parent_obj; + +} S390FLICState; + +#define S390_FLIC_COMMON_CLASS(klass) \ + OBJECT_CLASS_CHECK(S390FLICStateClass, (klass), TYPE_S390_FLIC_COMMON) +#define S390_FLIC_COMMON_GET_CLASS(obj) \ + OBJECT_GET_CLASS(S390FLICStateClass, (obj), TYPE_S390_FLIC_COMMON) + +typedef struct S390FLICStateClass { + DeviceClass parent_class; + + int (*register_io_adapter)(S390FLICState *fs, uint32_t id, uint8_t isc, + bool swap, bool maskable); + int (*io_adapter_map)(S390FLICState *fs, uint32_t id, uint64_t map_addr, + bool do_map); + int (*add_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes); + void (*release_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes); +} S390FLICStateClass; + +#define TYPE_KVM_S390_FLIC "s390-flic-kvm" +#define KVM_S390_FLIC(obj) \ + OBJECT_CHECK(KVMS390FLICState, (obj), TYPE_KVM_S390_FLIC) + +#define TYPE_QEMU_S390_FLIC "s390-flic-qemu" +#define QEMU_S390_FLIC(obj) \ + OBJECT_CHECK(QEMUS390FLICState, (obj), TYPE_QEMU_S390_FLIC) + +typedef struct QEMUS390FLICState { + S390FLICState parent_obj; +} QEMUS390FLICState; + +void s390_flic_init(void); + +S390FLICState *s390_get_flic(void); + +#ifdef CONFIG_KVM +DeviceState *s390_flic_kvm_create(void); +#else +static inline DeviceState *s390_flic_kvm_create(void) +{ + return NULL; +} +#endif + +#endif /* __HW_S390_FLIC_H */ |