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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#include "qemu/queue.h"
20#include "qom/object.h"
21
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26
27
28#define ADAPTER_ROUTES_MAX_GSI VIRTIO_QUEUE_MAX
29
30typedef struct AdapterRoutes {
31 AdapterInfo adapter;
32 int num_routes;
33 int gsi[ADAPTER_ROUTES_MAX_GSI];
34} AdapterRoutes;
35
36extern const VMStateDescription vmstate_adapter_routes;
37
38#define VMSTATE_ADAPTER_ROUTES(_f, _s) \
39 VMSTATE_STRUCT(_f, _s, 1, vmstate_adapter_routes, AdapterRoutes)
40
41#define TYPE_S390_FLIC_COMMON "s390-flic"
42OBJECT_DECLARE_TYPE(S390FLICState, S390FLICStateClass,
43 S390_FLIC_COMMON)
44
45struct S390FLICState {
46 SysBusDevice parent_obj;
47
48 uint32_t adapter_routes_max_batch;
49 bool ais_supported;
50};
51
52
53struct S390FLICStateClass {
54 DeviceClass parent_class;
55
56 int (*register_io_adapter)(S390FLICState *fs, uint32_t id, uint8_t isc,
57 bool swap, bool maskable, uint8_t flags);
58 int (*io_adapter_map)(S390FLICState *fs, uint32_t id, uint64_t map_addr,
59 bool do_map);
60 int (*add_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
61 void (*release_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
62 int (*clear_io_irq)(S390FLICState *fs, uint16_t subchannel_id,
63 uint16_t subchannel_nr);
64 int (*modify_ais_mode)(S390FLICState *fs, uint8_t isc, uint16_t mode);
65 int (*inject_airq)(S390FLICState *fs, uint8_t type, uint8_t isc,
66 uint8_t flags);
67 void (*inject_service)(S390FLICState *fs, uint32_t parm);
68 void (*inject_io)(S390FLICState *fs, uint16_t subchannel_id,
69 uint16_t subchannel_nr, uint32_t io_int_parm,
70 uint32_t io_int_word);
71 void (*inject_crw_mchk)(S390FLICState *fs);
72};
73
74#define TYPE_KVM_S390_FLIC "s390-flic-kvm"
75typedef struct KVMS390FLICState KVMS390FLICState;
76DECLARE_INSTANCE_CHECKER(KVMS390FLICState, KVM_S390_FLIC,
77 TYPE_KVM_S390_FLIC)
78
79#define TYPE_QEMU_S390_FLIC "s390-flic-qemu"
80OBJECT_DECLARE_SIMPLE_TYPE(QEMUS390FLICState, QEMU_S390_FLIC)
81
82#define SIC_IRQ_MODE_ALL 0
83#define SIC_IRQ_MODE_SINGLE 1
84#define AIS_MODE_MASK(isc) (0x80 >> isc)
85
86#define ISC_TO_PENDING_IO(_isc) (0x80 >> (_isc))
87#define CR6_TO_PENDING_IO(_cr6) (((_cr6) >> 24) & 0xff)
88
89
90#define FLIC_PENDING_IO_ISC7 (1 << 0)
91#define FLIC_PENDING_IO_ISC6 (1 << 1)
92#define FLIC_PENDING_IO_ISC5 (1 << 2)
93#define FLIC_PENDING_IO_ISC4 (1 << 3)
94#define FLIC_PENDING_IO_ISC3 (1 << 4)
95#define FLIC_PENDING_IO_ISC2 (1 << 5)
96#define FLIC_PENDING_IO_ISC1 (1 << 6)
97#define FLIC_PENDING_IO_ISC0 (1 << 7)
98#define FLIC_PENDING_SERVICE (1 << 8)
99#define FLIC_PENDING_MCHK_CR (1 << 9)
100
101#define FLIC_PENDING_IO (FLIC_PENDING_IO_ISC0 | FLIC_PENDING_IO_ISC1 | \
102 FLIC_PENDING_IO_ISC2 | FLIC_PENDING_IO_ISC3 | \
103 FLIC_PENDING_IO_ISC4 | FLIC_PENDING_IO_ISC5 | \
104 FLIC_PENDING_IO_ISC6 | FLIC_PENDING_IO_ISC7)
105
106typedef struct QEMUS390FlicIO {
107 uint16_t id;
108 uint16_t nr;
109 uint32_t parm;
110 uint32_t word;
111 QLIST_ENTRY(QEMUS390FlicIO) next;
112} QEMUS390FlicIO;
113
114struct QEMUS390FLICState {
115 S390FLICState parent_obj;
116 uint32_t pending;
117 uint32_t service_param;
118 uint8_t simm;
119 uint8_t nimm;
120 QLIST_HEAD(, QEMUS390FlicIO) io[8];
121};
122
123uint32_t qemu_s390_flic_dequeue_service(QEMUS390FLICState *flic);
124QEMUS390FlicIO *qemu_s390_flic_dequeue_io(QEMUS390FLICState *flic,
125 uint64_t cr6);
126void qemu_s390_flic_dequeue_crw_mchk(QEMUS390FLICState *flic);
127bool qemu_s390_flic_has_service(QEMUS390FLICState *flic);
128bool qemu_s390_flic_has_io(QEMUS390FLICState *fs, uint64_t cr6);
129bool qemu_s390_flic_has_crw_mchk(QEMUS390FLICState *flic);
130bool qemu_s390_flic_has_any(QEMUS390FLICState *flic);
131
132void s390_flic_init(void);
133
134S390FLICState *s390_get_flic(void);
135QEMUS390FLICState *s390_get_qemu_flic(S390FLICState *fs);
136S390FLICStateClass *s390_get_flic_class(S390FLICState *fs);
137void s390_crw_mchk(void);
138void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
139 uint32_t io_int_parm, uint32_t io_int_word);
140bool ais_needed(void *opaque);
141
142#endif
143