include/hw/s390x/s390_flic.h

   1 /*
   2  * QEMU S390x floating interrupt controller (flic)
   3  *
   4  * Copyright 2014 IBM Corp.
   5  * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com>
   6  *            Cornelia Huck <cornelia.huck@de.ibm.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   9  * your option) any later version. See the COPYING file in the top-level
  10  * directory.
  11  */
  12
  13 #ifndef __HW_S390_FLIC_H
  14 #define __HW_S390_FLIC_H
  15
  16 #include "hw/sysbus.h"
  17 #include "hw/s390x/adapter.h"
  18 #include "hw/virtio/virtio.h"
  19
  20 typedef struct AdapterRoutes {
  21     AdapterInfo adapter;
  22     int num_routes;
  23     int gsi[VIRTIO_PCI_QUEUE_MAX];
  24 } AdapterRoutes;
  25
  26 #define TYPE_S390_FLIC_COMMON "s390-flic"
  27 #define S390_FLIC_COMMON(obj) \
  28     OBJECT_CHECK(S390FLICState, (obj), TYPE_S390_FLIC_COMMON)
  29
  30 typedef struct S390FLICState {
  31     SysBusDevice parent_obj;
  32
  33 } S390FLICState;
  34
  35 #define S390_FLIC_COMMON_CLASS(klass) \
  36     OBJECT_CLASS_CHECK(S390FLICStateClass, (klass), TYPE_S390_FLIC_COMMON)
  37 #define S390_FLIC_COMMON_GET_CLASS(obj) \
  38     OBJECT_GET_CLASS(S390FLICStateClass, (obj), TYPE_S390_FLIC_COMMON)
  39
  40 typedef struct S390FLICStateClass {
  41     DeviceClass parent_class;
  42
  43     int (*register_io_adapter)(S390FLICState *fs, uint32_t id, uint8_t isc,
  44                                bool swap, bool maskable);
  45     int (*io_adapter_map)(S390FLICState *fs, uint32_t id, uint64_t map_addr,
  46                           bool do_map);
  47     int (*add_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
  48     void (*release_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
  49 } S390FLICStateClass;
  50
  51 #define TYPE_KVM_S390_FLIC "s390-flic-kvm"
  52 #define KVM_S390_FLIC(obj) \
  53     OBJECT_CHECK(KVMS390FLICState, (obj), TYPE_KVM_S390_FLIC)
  54
  55 #define TYPE_QEMU_S390_FLIC "s390-flic-qemu"
  56 #define QEMU_S390_FLIC(obj) \
  57     OBJECT_CHECK(QEMUS390FLICState, (obj), TYPE_QEMU_S390_FLIC)
  58
  59 typedef struct QEMUS390FLICState {
  60     S390FLICState parent_obj;
  61 } QEMUS390FLICState;
  62
  63 void s390_flic_init(void);
  64
  65 S390FLICState *s390_get_flic(void);
  66
  67 #ifdef CONFIG_KVM
  68 DeviceState *s390_flic_kvm_create(void);
  69 #else
  70 static inline DeviceState *s390_flic_kvm_create(void)
  71 {
  72     return NULL;
  73 }
  74 #endif
  75
  76 #endif /* __HW_S390_FLIC_H */