xref: /openbmc/qemu/hw/s390x/virtio-ccw.h (revision db0f08df)
1 /*
2  * virtio ccw target definitions
3  *
4  * Copyright 2012,2015 IBM Corp.
5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
6  *            Pierre Morel <pmorel@linux.vnet.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_S390X_VIRTIO_CCW_H
14 #define HW_S390X_VIRTIO_CCW_H
15 
16 #include "hw/virtio/virtio-blk.h"
17 #include "hw/virtio/virtio-net.h"
18 #include "hw/virtio/virtio-serial.h"
19 #include "hw/virtio/virtio-scsi.h"
20 #include "qom/object.h"
21 #ifdef CONFIG_VHOST_SCSI
22 #include "hw/virtio/vhost-scsi.h"
23 #endif
24 #include "hw/virtio/virtio-balloon.h"
25 #include "hw/virtio/virtio-rng.h"
26 #include "hw/virtio/virtio-crypto.h"
27 #include "hw/virtio/virtio-bus.h"
28 #ifdef CONFIG_VHOST_VSOCK
29 #include "hw/virtio/vhost-vsock.h"
30 #endif /* CONFIG_VHOST_VSOCK */
31 #include "hw/virtio/virtio-gpu.h"
32 #include "hw/virtio/virtio-input.h"
33 
34 #include "hw/s390x/s390_flic.h"
35 #include "hw/s390x/css.h"
36 #include "ccw-device.h"
37 #include "hw/s390x/css-bridge.h"
38 
39 #define VIRTIO_CCW_CU_TYPE 0x3832
40 #define VIRTIO_CCW_CHPID_TYPE 0x32
41 
42 #define CCW_CMD_SET_VQ       0x13
43 #define CCW_CMD_VDEV_RESET   0x33
44 #define CCW_CMD_READ_FEAT    0x12
45 #define CCW_CMD_WRITE_FEAT   0x11
46 #define CCW_CMD_READ_CONF    0x22
47 #define CCW_CMD_WRITE_CONF   0x21
48 #define CCW_CMD_WRITE_STATUS 0x31
49 #define CCW_CMD_SET_IND      0x43
50 #define CCW_CMD_SET_CONF_IND 0x53
51 #define CCW_CMD_READ_VQ_CONF 0x32
52 #define CCW_CMD_READ_STATUS  0x72
53 #define CCW_CMD_SET_IND_ADAPTER 0x73
54 #define CCW_CMD_SET_VIRTIO_REV 0x83
55 
56 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
57 OBJECT_DECLARE_TYPE(VirtioCcwDevice, VirtIOCCWDeviceClass, VIRTIO_CCW_DEVICE)
58 
59 typedef struct VirtioBusState VirtioCcwBusState;
60 typedef struct VirtioBusClass VirtioCcwBusClass;
61 
62 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
63 DECLARE_OBJ_CHECKERS(VirtioCcwBusState, VirtioCcwBusClass,
64                      VIRTIO_CCW_BUS, TYPE_VIRTIO_CCW_BUS)
65 
66 
67 struct VirtIOCCWDeviceClass {
68     CCWDeviceClass parent_class;
69     void (*realize)(VirtioCcwDevice *dev, Error **errp);
70     void (*unrealize)(VirtioCcwDevice *dev);
71     void (*parent_reset)(DeviceState *dev);
72 };
73 
74 /* Performance improves when virtqueue kick processing is decoupled from the
75  * vcpu thread using ioeventfd for some devices. */
76 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
77 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
78 
79 struct VirtioCcwDevice {
80     CcwDevice parent_obj;
81     int revision;
82     uint32_t max_rev;
83     VirtioBusState bus;
84     uint32_t flags;
85     uint8_t thinint_isc;
86     AdapterRoutes routes;
87     /* Guest provided values: */
88     IndAddr *indicators;
89     IndAddr *indicators2;
90     IndAddr *summary_indicator;
91     uint64_t ind_bit;
92     bool force_revision_1;
93 };
94 
95 /* The maximum virtio revision we support. */
96 #define VIRTIO_CCW_MAX_REV 2
97 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
98 {
99     return dev->max_rev;
100 }
101 
102 /* virtio-scsi-ccw */
103 
104 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
105 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOSCSICcw, VIRTIO_SCSI_CCW)
106 
107 struct VirtIOSCSICcw {
108     VirtioCcwDevice parent_obj;
109     VirtIOSCSI vdev;
110 };
111 
112 #ifdef CONFIG_VHOST_SCSI
113 /* vhost-scsi-ccw */
114 
115 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
116 OBJECT_DECLARE_SIMPLE_TYPE(VHostSCSICcw, VHOST_SCSI_CCW)
117 
118 struct VHostSCSICcw {
119     VirtioCcwDevice parent_obj;
120     VHostSCSI vdev;
121 };
122 #endif
123 
124 /* virtio-blk-ccw */
125 
126 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
127 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOBlkCcw, VIRTIO_BLK_CCW)
128 
129 struct VirtIOBlkCcw {
130     VirtioCcwDevice parent_obj;
131     VirtIOBlock vdev;
132 };
133 
134 /* virtio-balloon-ccw */
135 
136 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
137 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOBalloonCcw, VIRTIO_BALLOON_CCW)
138 
139 struct VirtIOBalloonCcw {
140     VirtioCcwDevice parent_obj;
141     VirtIOBalloon vdev;
142 };
143 
144 /* virtio-serial-ccw */
145 
146 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
147 OBJECT_DECLARE_SIMPLE_TYPE(VirtioSerialCcw, VIRTIO_SERIAL_CCW)
148 
149 struct VirtioSerialCcw {
150     VirtioCcwDevice parent_obj;
151     VirtIOSerial vdev;
152 };
153 
154 /* virtio-net-ccw */
155 
156 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
157 OBJECT_DECLARE_SIMPLE_TYPE(VirtIONetCcw, VIRTIO_NET_CCW)
158 
159 struct VirtIONetCcw {
160     VirtioCcwDevice parent_obj;
161     VirtIONet vdev;
162 };
163 
164 /* virtio-rng-ccw */
165 
166 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
167 OBJECT_DECLARE_SIMPLE_TYPE(VirtIORNGCcw, VIRTIO_RNG_CCW)
168 
169 struct VirtIORNGCcw {
170     VirtioCcwDevice parent_obj;
171     VirtIORNG vdev;
172 };
173 
174 /* virtio-crypto-ccw */
175 
176 #define TYPE_VIRTIO_CRYPTO_CCW "virtio-crypto-ccw"
177 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOCryptoCcw, VIRTIO_CRYPTO_CCW)
178 
179 struct VirtIOCryptoCcw {
180     VirtioCcwDevice parent_obj;
181     VirtIOCrypto vdev;
182 };
183 
184 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
185 
186 #ifdef CONFIG_VIRTFS
187 #include "hw/9pfs/virtio-9p.h"
188 
189 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
190 OBJECT_DECLARE_SIMPLE_TYPE(V9fsCCWState, VIRTIO_9P_CCW)
191 
192 struct V9fsCCWState {
193     VirtioCcwDevice parent_obj;
194     V9fsVirtioState vdev;
195 };
196 
197 #endif /* CONFIG_VIRTFS */
198 
199 #ifdef CONFIG_VHOST_VSOCK
200 #define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw"
201 OBJECT_DECLARE_SIMPLE_TYPE(VHostVSockCCWState, VHOST_VSOCK_CCW)
202 
203 struct VHostVSockCCWState {
204     VirtioCcwDevice parent_obj;
205     VHostVSock vdev;
206 };
207 
208 #endif /* CONFIG_VHOST_VSOCK */
209 
210 #define TYPE_VIRTIO_GPU_CCW "virtio-gpu-ccw"
211 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOGPUCcw, VIRTIO_GPU_CCW)
212 
213 struct VirtIOGPUCcw {
214     VirtioCcwDevice parent_obj;
215     VirtIOGPU vdev;
216 };
217 
218 #define TYPE_VIRTIO_INPUT_CCW "virtio-input-ccw"
219 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOInputCcw, VIRTIO_INPUT_CCW)
220 
221 struct VirtIOInputCcw {
222     VirtioCcwDevice parent_obj;
223     VirtIOInput vdev;
224 };
225 
226 #define TYPE_VIRTIO_INPUT_HID_CCW "virtio-input-hid-ccw"
227 #define TYPE_VIRTIO_KEYBOARD_CCW "virtio-keyboard-ccw"
228 #define TYPE_VIRTIO_MOUSE_CCW "virtio-mouse-ccw"
229 #define TYPE_VIRTIO_TABLET_CCW "virtio-tablet-ccw"
230 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOInputHIDCcw, VIRTIO_INPUT_HID_CCW)
231 
232 struct VirtIOInputHIDCcw {
233     VirtioCcwDevice parent_obj;
234     VirtIOInputHID vdev;
235 };
236 
237 #endif
238