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a5cf2bb4 CH |
1 | /* |
2 | * virtio ccw target definitions | |
3 | * | |
4 | * Copyright 2012 IBM Corp. | |
5 | * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> | |
6 | * | |
7 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
8 | * your option) any later version. See the COPYING file in the top-level | |
9 | * directory. | |
10 | */ | |
11 | ||
12 | #ifndef HW_S390X_VIRTIO_CCW_H | |
13 | #define HW_S390X_VIRTIO_CCW_H | |
14 | ||
0d09e41a PB |
15 | #include <hw/virtio/virtio-blk.h> |
16 | #include <hw/virtio/virtio-net.h> | |
17 | #include <hw/virtio/virtio-serial.h> | |
18 | #include <hw/virtio/virtio-scsi.h> | |
ccf6916c PB |
19 | #ifdef CONFIG_VHOST_SCSI |
20 | #include <hw/virtio/vhost-scsi.h> | |
21 | #endif | |
0d09e41a PB |
22 | #include <hw/virtio/virtio-balloon.h> |
23 | #include <hw/virtio/virtio-rng.h> | |
24 | #include <hw/virtio/virtio-bus.h> | |
a5cf2bb4 CH |
25 | |
26 | #define VIRTUAL_CSSID 0xfe | |
27 | ||
28 | #define VIRTIO_CCW_CU_TYPE 0x3832 | |
29 | #define VIRTIO_CCW_CHPID_TYPE 0x32 | |
30 | ||
31 | #define CCW_CMD_SET_VQ 0x13 | |
32 | #define CCW_CMD_VDEV_RESET 0x33 | |
33 | #define CCW_CMD_READ_FEAT 0x12 | |
34 | #define CCW_CMD_WRITE_FEAT 0x11 | |
35 | #define CCW_CMD_READ_CONF 0x22 | |
36 | #define CCW_CMD_WRITE_CONF 0x21 | |
37 | #define CCW_CMD_WRITE_STATUS 0x31 | |
38 | #define CCW_CMD_SET_IND 0x43 | |
39 | #define CCW_CMD_SET_CONF_IND 0x53 | |
40 | #define CCW_CMD_READ_VQ_CONF 0x32 | |
41 | ||
42 | #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device" | |
43 | #define VIRTIO_CCW_DEVICE(obj) \ | |
44 | OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE) | |
45 | #define VIRTIO_CCW_DEVICE_CLASS(klass) \ | |
46 | OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE) | |
47 | #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \ | |
48 | OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE) | |
49 | ||
50 | typedef struct VirtioBusState VirtioCcwBusState; | |
51 | typedef struct VirtioBusClass VirtioCcwBusClass; | |
52 | ||
53 | #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus" | |
54 | #define VIRTIO_CCW_BUS(obj) \ | |
55 | OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS) | |
56 | #define VIRTIO_CCW_BUS_GET_CLASS(obj) \ | |
57 | OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS) | |
58 | #define VIRTIO_CCW_BUS_CLASS(klass) \ | |
59 | OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS) | |
60 | ||
61 | typedef struct VirtioCcwDevice VirtioCcwDevice; | |
62 | ||
a5cf2bb4 CH |
63 | typedef struct VirtIOCCWDeviceClass { |
64 | DeviceClass parent_class; | |
65 | int (*init)(VirtioCcwDevice *dev); | |
66 | int (*exit)(VirtioCcwDevice *dev); | |
67 | } VirtIOCCWDeviceClass; | |
68 | ||
69 | /* Change here if we want to support more feature bits. */ | |
70 | #define VIRTIO_CCW_FEATURE_SIZE 1 | |
71 | ||
b4436a0b CH |
72 | /* Performance improves when virtqueue kick processing is decoupled from the |
73 | * vcpu thread using ioeventfd for some devices. */ | |
74 | #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1 | |
75 | #define VIRTIO_CCW_FLAG_USE_IOEVENTFD (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT) | |
76 | ||
a5cf2bb4 CH |
77 | struct VirtioCcwDevice { |
78 | DeviceState parent_obj; | |
79 | SubchDev *sch; | |
80 | VirtIODevice *vdev; | |
81 | char *bus_id; | |
a5cf2bb4 | 82 | uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE]; |
a5cf2bb4 | 83 | VirtioBusState bus; |
b4436a0b | 84 | bool ioeventfd_started; |
320ce850 | 85 | bool ioeventfd_disabled; |
b4436a0b | 86 | uint32_t flags; |
a5cf2bb4 CH |
87 | /* Guest provided values: */ |
88 | hwaddr indicators; | |
89 | hwaddr indicators2; | |
90 | }; | |
91 | ||
92 | /* virtual css bus type */ | |
93 | typedef struct VirtualCssBus { | |
94 | BusState parent_obj; | |
95 | } VirtualCssBus; | |
96 | ||
97 | #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus" | |
98 | #define VIRTUAL_CSS_BUS(obj) \ | |
99 | OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS) | |
100 | ||
c908ea10 KF |
101 | /* virtio-scsi-ccw */ |
102 | ||
103 | #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw" | |
104 | #define VIRTIO_SCSI_CCW(obj) \ | |
105 | OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW) | |
106 | ||
107 | typedef struct VirtIOSCSICcw { | |
108 | VirtioCcwDevice parent_obj; | |
109 | VirtIOSCSI vdev; | |
110 | } VirtIOSCSICcw; | |
111 | ||
b702d2ae | 112 | #ifdef CONFIG_VHOST_SCSI |
ccf6916c PB |
113 | /* vhost-scsi-ccw */ |
114 | ||
115 | #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw" | |
116 | #define VHOST_SCSI_CCW(obj) \ | |
117 | OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW) | |
118 | ||
119 | typedef struct VHostSCSICcw { | |
120 | VirtioCcwDevice parent_obj; | |
121 | VHostSCSI vdev; | |
122 | } VHostSCSICcw; | |
b702d2ae | 123 | #endif |
ccf6916c | 124 | |
3400c455 KF |
125 | /* virtio-blk-ccw */ |
126 | ||
127 | #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw" | |
128 | #define VIRTIO_BLK_CCW(obj) \ | |
129 | OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW) | |
130 | ||
131 | typedef struct VirtIOBlkCcw { | |
132 | VirtioCcwDevice parent_obj; | |
133 | VirtIOBlock vdev; | |
134 | VirtIOBlkConf blk; | |
135 | } VirtIOBlkCcw; | |
136 | ||
30bff6a0 KF |
137 | /* virtio-balloon-ccw */ |
138 | ||
139 | #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw" | |
140 | #define VIRTIO_BALLOON_CCW(obj) \ | |
141 | OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW) | |
142 | ||
143 | typedef struct VirtIOBalloonCcw { | |
144 | VirtioCcwDevice parent_obj; | |
145 | VirtIOBalloon vdev; | |
146 | } VirtIOBalloonCcw; | |
3400c455 | 147 | |
6acf69cd KF |
148 | /* virtio-serial-ccw */ |
149 | ||
150 | #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" | |
151 | #define VIRTIO_SERIAL_CCW(obj) \ | |
152 | OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW) | |
153 | ||
154 | typedef struct VirtioSerialCcw { | |
155 | VirtioCcwDevice parent_obj; | |
156 | VirtIOSerial vdev; | |
157 | } VirtioSerialCcw; | |
158 | ||
89334c8b KF |
159 | /* virtio-net-ccw */ |
160 | ||
161 | #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw" | |
162 | #define VIRTIO_NET_CCW(obj) \ | |
163 | OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW) | |
164 | ||
165 | typedef struct VirtIONetCcw { | |
166 | VirtioCcwDevice parent_obj; | |
167 | VirtIONet vdev; | |
168 | } VirtIONetCcw; | |
169 | ||
2db26d4c KF |
170 | /* virtio-rng-ccw */ |
171 | ||
172 | #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw" | |
173 | #define VIRTIO_RNG_CCW(obj) \ | |
174 | OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW) | |
175 | ||
176 | typedef struct VirtIORNGCcw { | |
177 | VirtioCcwDevice parent_obj; | |
178 | VirtIORNG vdev; | |
179 | } VirtIORNGCcw; | |
180 | ||
a5cf2bb4 CH |
181 | VirtualCssBus *virtual_css_bus_init(void); |
182 | void virtio_ccw_device_update_status(SubchDev *sch); | |
183 | VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); | |
184 | #endif |