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a5cf2bb4 CH |
1 | /* |
2 | * virtio ccw target definitions | |
3 | * | |
de6a9218 | 4 | * Copyright 2012,2015 IBM Corp. |
a5cf2bb4 | 5 | * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> |
de6a9218 | 6 | * Pierre Morel <pmorel@linux.vnet.ibm.com> |
a5cf2bb4 CH |
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_S390X_VIRTIO_CCW_H | |
14 | #define HW_S390X_VIRTIO_CCW_H | |
15 | ||
db1015e9 | 16 | #include "qom/object.h" |
a9c94277 | 17 | #include "hw/virtio/virtio-bus.h" |
a9c94277 MA |
18 | #include "hw/s390x/s390_flic.h" |
19 | #include "hw/s390x/css.h" | |
b804e8a6 JL |
20 | #include "ccw-device.h" |
21 | #include "hw/s390x/css-bridge.h" | |
a5cf2bb4 | 22 | |
a5cf2bb4 CH |
23 | #define VIRTIO_CCW_CU_TYPE 0x3832 |
24 | #define VIRTIO_CCW_CHPID_TYPE 0x32 | |
25 | ||
26 | #define CCW_CMD_SET_VQ 0x13 | |
27 | #define CCW_CMD_VDEV_RESET 0x33 | |
28 | #define CCW_CMD_READ_FEAT 0x12 | |
29 | #define CCW_CMD_WRITE_FEAT 0x11 | |
30 | #define CCW_CMD_READ_CONF 0x22 | |
31 | #define CCW_CMD_WRITE_CONF 0x21 | |
32 | #define CCW_CMD_WRITE_STATUS 0x31 | |
33 | #define CCW_CMD_SET_IND 0x43 | |
34 | #define CCW_CMD_SET_CONF_IND 0x53 | |
35 | #define CCW_CMD_READ_VQ_CONF 0x32 | |
e32652f7 | 36 | #define CCW_CMD_READ_STATUS 0x72 |
7e749462 | 37 | #define CCW_CMD_SET_IND_ADAPTER 0x73 |
c42767f2 | 38 | #define CCW_CMD_SET_VIRTIO_REV 0x83 |
a5cf2bb4 CH |
39 | |
40 | #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device" | |
a489d195 | 41 | OBJECT_DECLARE_TYPE(VirtioCcwDevice, VirtIOCCWDeviceClass, VIRTIO_CCW_DEVICE) |
a5cf2bb4 CH |
42 | |
43 | typedef struct VirtioBusState VirtioCcwBusState; | |
44 | typedef struct VirtioBusClass VirtioCcwBusClass; | |
45 | ||
46 | #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus" | |
8110fa1d EH |
47 | DECLARE_OBJ_CHECKERS(VirtioCcwBusState, VirtioCcwBusClass, |
48 | VIRTIO_CCW_BUS, TYPE_VIRTIO_CCW_BUS) | |
a5cf2bb4 | 49 | |
2dd9d8cf GH |
50 | /* |
51 | * modules can reference this symbol to avoid being loaded | |
52 | * into system emulators without ccw support | |
53 | */ | |
54 | extern bool have_virtio_ccw; | |
a5cf2bb4 | 55 | |
db1015e9 | 56 | struct VirtIOCCWDeviceClass { |
b804e8a6 | 57 | CCWDeviceClass parent_class; |
5e5ced38 | 58 | void (*realize)(VirtioCcwDevice *dev, Error **errp); |
b69c3c21 | 59 | void (*unrealize)(VirtioCcwDevice *dev); |
838fb84f | 60 | void (*parent_reset)(DeviceState *dev); |
db1015e9 | 61 | }; |
a5cf2bb4 | 62 | |
b4436a0b CH |
63 | /* Performance improves when virtqueue kick processing is decoupled from the |
64 | * vcpu thread using ioeventfd for some devices. */ | |
65 | #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1 | |
66 | #define VIRTIO_CCW_FLAG_USE_IOEVENTFD (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT) | |
67 | ||
a5cf2bb4 | 68 | struct VirtioCcwDevice { |
b804e8a6 | 69 | CcwDevice parent_obj; |
c42767f2 | 70 | int revision; |
542571d5 | 71 | uint32_t max_rev; |
a5cf2bb4 | 72 | VirtioBusState bus; |
b4436a0b | 73 | uint32_t flags; |
7e749462 | 74 | uint8_t thinint_isc; |
d426d9fb | 75 | AdapterRoutes routes; |
a5cf2bb4 | 76 | /* Guest provided values: */ |
7bca3892 CH |
77 | IndAddr *indicators; |
78 | IndAddr *indicators2; | |
79 | IndAddr *summary_indicator; | |
7e749462 | 80 | uint64_t ind_bit; |
47e13dfd | 81 | bool force_revision_1; |
a5cf2bb4 CH |
82 | }; |
83 | ||
c42767f2 | 84 | /* The maximum virtio revision we support. */ |
7aa2adc2 | 85 | #define VIRTIO_CCW_MAX_REV 2 |
542571d5 | 86 | static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev) |
c42767f2 | 87 | { |
542571d5 | 88 | return dev->max_rev; |
c42767f2 TH |
89 | } |
90 | ||
a5cf2bb4 | 91 | VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); |
de6a9218 | 92 | |
a5cf2bb4 | 93 | #endif |