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 23 typedef 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 33 typedef 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 43 typedef 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 int (*clear_io_irq)(S390FLICState *fs, uint16_t subchannel_id, 53 uint16_t subchannel_nr); 54 } S390FLICStateClass; 55 56 #define TYPE_KVM_S390_FLIC "s390-flic-kvm" 57 #define KVM_S390_FLIC(obj) \ 58 OBJECT_CHECK(KVMS390FLICState, (obj), TYPE_KVM_S390_FLIC) 59 60 #define TYPE_QEMU_S390_FLIC "s390-flic-qemu" 61 #define QEMU_S390_FLIC(obj) \ 62 OBJECT_CHECK(QEMUS390FLICState, (obj), TYPE_QEMU_S390_FLIC) 63 64 typedef struct QEMUS390FLICState { 65 S390FLICState parent_obj; 66 } QEMUS390FLICState; 67 68 void s390_flic_init(void); 69 70 S390FLICState *s390_get_flic(void); 71 72 #ifdef CONFIG_KVM 73 DeviceState *s390_flic_kvm_create(void); 74 #else 75 static inline DeviceState *s390_flic_kvm_create(void) 76 { 77 return NULL; 78 } 79 #endif 80 81 #endif /* HW_S390_FLIC_H */ 82