LXR qemu/include/hw/s390x/s390

   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#define ADAPTER_ROUTES_MAX_GSI 64
  21#define VIRTIO_CCW_QUEUE_MAX ADAPTER_ROUTES_MAX_GSI
  22
  23typedef struct AdapterRoutes {
  24    AdapterInfo adapter;
  25    int num_routes;
  26    int gsi[ADAPTER_ROUTES_MAX_GSI];
  27} AdapterRoutes;
  28
  29#define TYPE_S390_FLIC_COMMON "s390-flic"
  30#define S390_FLIC_COMMON(obj) \
  31    OBJECT_CHECK(S390FLICState, (obj), TYPE_S390_FLIC_COMMON)
  32
  33typedef struct S390FLICState {
  34    SysBusDevice parent_obj;
  35
  36} S390FLICState;
  37
  38#define S390_FLIC_COMMON_CLASS(klass) \
  39    OBJECT_CLASS_CHECK(S390FLICStateClass, (klass), TYPE_S390_FLIC_COMMON)
  40#define S390_FLIC_COMMON_GET_CLASS(obj) \
  41    OBJECT_GET_CLASS(S390FLICStateClass, (obj), TYPE_S390_FLIC_COMMON)
  42
  43typedef struct S390FLICStateClass {
  44    DeviceClass parent_class;
  45
  46    int (*register_io_adapter)(S390FLICState *fs, uint32_t id, uint8_t isc,
  47                               bool swap, bool maskable);
  48    int (*io_adapter_map)(S390FLICState *fs, uint32_t id, uint64_t map_addr,
  49                          bool do_map);
  50    int (*add_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
  51    void (*release_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
  52} S390FLICStateClass;
  53
  54#define TYPE_KVM_S390_FLIC "s390-flic-kvm"
  55#define KVM_S390_FLIC(obj) \
  56    OBJECT_CHECK(KVMS390FLICState, (obj), TYPE_KVM_S390_FLIC)
  57
  58#define TYPE_QEMU_S390_FLIC "s390-flic-qemu"
  59#define QEMU_S390_FLIC(obj) \
  60    OBJECT_CHECK(QEMUS390FLICState, (obj), TYPE_QEMU_S390_FLIC)
  61
  62typedef struct QEMUS390FLICState {
  63    S390FLICState parent_obj;
  64} QEMUS390FLICState;
  65
  66void s390_flic_init(void);
  67
  68S390FLICState *s390_get_flic(void);
  69
  70#ifdef CONFIG_KVM
  71DeviceState *s390_flic_kvm_create(void);
  72#else
  73static inline DeviceState *s390_flic_kvm_create(void)
  74{
  75    return NULL;
  76}
  77#endif
  78
  79#endif /* __HW_S390_FLIC_H */
  80