xref: /openbmc/qemu/hw/s390x/virtio-ccw.h (revision 44b1ff31) 
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 #ifdef CONFIG_VHOST_SCSI
21 #include "hw/virtio/vhost-scsi.h"
22 #endif
23 #include "hw/virtio/virtio-balloon.h"
24 #include "hw/virtio/virtio-rng.h"
25 #include "hw/virtio/virtio-crypto.h"
26 #include "hw/virtio/virtio-bus.h"
27 #ifdef CONFIG_VHOST_VSOCK
28 #include "hw/virtio/vhost-vsock.h"
29 #endif /* CONFIG_VHOST_VSOCK */
30 #include "hw/virtio/virtio-gpu.h"
31 
32 #include "hw/s390x/s390_flic.h"
33 #include "hw/s390x/css.h"
34 #include "ccw-device.h"
35 #include "hw/s390x/css-bridge.h"
36 
37 #define VIRTIO_CCW_CU_TYPE 0x3832
38 #define VIRTIO_CCW_CHPID_TYPE 0x32
39 
40 #define CCW_CMD_SET_VQ       0x13
41 #define CCW_CMD_VDEV_RESET   0x33
42 #define CCW_CMD_READ_FEAT    0x12
43 #define CCW_CMD_WRITE_FEAT   0x11
44 #define CCW_CMD_READ_CONF    0x22
45 #define CCW_CMD_WRITE_CONF   0x21
46 #define CCW_CMD_WRITE_STATUS 0x31
47 #define CCW_CMD_SET_IND      0x43
48 #define CCW_CMD_SET_CONF_IND 0x53
49 #define CCW_CMD_READ_VQ_CONF 0x32
50 #define CCW_CMD_READ_STATUS  0x72
51 #define CCW_CMD_SET_IND_ADAPTER 0x73
52 #define CCW_CMD_SET_VIRTIO_REV 0x83
53 
54 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
55 #define VIRTIO_CCW_DEVICE(obj) \
56      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
57 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
58      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
59 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
60      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
61 
62 typedef struct VirtioBusState VirtioCcwBusState;
63 typedef struct VirtioBusClass VirtioCcwBusClass;
64 
65 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
66 #define VIRTIO_CCW_BUS(obj) \
67      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
68 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
69     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
70 #define VIRTIO_CCW_BUS_CLASS(klass) \
71     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
72 
73 typedef struct VirtioCcwDevice VirtioCcwDevice;
74 
75 typedef struct VirtIOCCWDeviceClass {
76     CCWDeviceClass parent_class;
77     void (*realize)(VirtioCcwDevice *dev, Error **errp);
78     int (*exit)(VirtioCcwDevice *dev);
79 } VirtIOCCWDeviceClass;
80 
81 /* Performance improves when virtqueue kick processing is decoupled from the
82  * vcpu thread using ioeventfd for some devices. */
83 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
84 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
85 
86 struct VirtioCcwDevice {
87     CcwDevice parent_obj;
88     int revision;
89     uint32_t max_rev;
90     VirtioBusState bus;
91     uint32_t flags;
92     uint8_t thinint_isc;
93     AdapterRoutes routes;
94     /* Guest provided values: */
95     IndAddr *indicators;
96     IndAddr *indicators2;
97     IndAddr *summary_indicator;
98     uint64_t ind_bit;
99     bool force_revision_1;
100 };
101 
102 /* The maximum virtio revision we support. */
103 #define VIRTIO_CCW_MAX_REV 2
104 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
105 {
106     return dev->max_rev;
107 }
108 
109 /* virtio-scsi-ccw */
110 
111 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
112 #define VIRTIO_SCSI_CCW(obj) \
113         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
114 
115 typedef struct VirtIOSCSICcw {
116     VirtioCcwDevice parent_obj;
117     VirtIOSCSI vdev;
118 } VirtIOSCSICcw;
119 
120 #ifdef CONFIG_VHOST_SCSI
121 /* vhost-scsi-ccw */
122 
123 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
124 #define VHOST_SCSI_CCW(obj) \
125         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
126 
127 typedef struct VHostSCSICcw {
128     VirtioCcwDevice parent_obj;
129     VHostSCSI vdev;
130 } VHostSCSICcw;
131 #endif
132 
133 /* virtio-blk-ccw */
134 
135 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
136 #define VIRTIO_BLK_CCW(obj) \
137         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
138 
139 typedef struct VirtIOBlkCcw {
140     VirtioCcwDevice parent_obj;
141     VirtIOBlock vdev;
142 } VirtIOBlkCcw;
143 
144 /* virtio-balloon-ccw */
145 
146 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
147 #define VIRTIO_BALLOON_CCW(obj) \
148         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
149 
150 typedef struct VirtIOBalloonCcw {
151     VirtioCcwDevice parent_obj;
152     VirtIOBalloon vdev;
153 } VirtIOBalloonCcw;
154 
155 /* virtio-serial-ccw */
156 
157 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
158 #define VIRTIO_SERIAL_CCW(obj) \
159         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
160 
161 typedef struct VirtioSerialCcw {
162     VirtioCcwDevice parent_obj;
163     VirtIOSerial vdev;
164 } VirtioSerialCcw;
165 
166 /* virtio-net-ccw */
167 
168 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
169 #define VIRTIO_NET_CCW(obj) \
170         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
171 
172 typedef struct VirtIONetCcw {
173     VirtioCcwDevice parent_obj;
174     VirtIONet vdev;
175 } VirtIONetCcw;
176 
177 /* virtio-rng-ccw */
178 
179 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
180 #define VIRTIO_RNG_CCW(obj) \
181         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
182 
183 typedef struct VirtIORNGCcw {
184     VirtioCcwDevice parent_obj;
185     VirtIORNG vdev;
186 } VirtIORNGCcw;
187 
188 /* virtio-crypto-ccw */
189 
190 #define TYPE_VIRTIO_CRYPTO_CCW "virtio-crypto-ccw"
191 #define VIRTIO_CRYPTO_CCW(obj) \
192         OBJECT_CHECK(VirtIOCryptoCcw, (obj), TYPE_VIRTIO_CRYPTO_CCW)
193 
194 typedef struct VirtIOCryptoCcw {
195     VirtioCcwDevice parent_obj;
196     VirtIOCrypto vdev;
197 } VirtIOCryptoCcw;
198 
199 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
200 
201 #ifdef CONFIG_VIRTFS
202 #include "hw/9pfs/virtio-9p.h"
203 
204 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
205 #define VIRTIO_9P_CCW(obj) \
206     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
207 
208 typedef struct V9fsCCWState {
209     VirtioCcwDevice parent_obj;
210     V9fsVirtioState vdev;
211 } V9fsCCWState;
212 
213 #endif /* CONFIG_VIRTFS */
214 
215 #ifdef CONFIG_VHOST_VSOCK
216 #define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw"
217 #define VHOST_VSOCK_CCW(obj) \
218     OBJECT_CHECK(VHostVSockCCWState, (obj), TYPE_VHOST_VSOCK_CCW)
219 
220 typedef struct VHostVSockCCWState {
221     VirtioCcwDevice parent_obj;
222     VHostVSock vdev;
223 } VHostVSockCCWState;
224 
225 #endif /* CONFIG_VHOST_VSOCK */
226 
227 #define TYPE_VIRTIO_GPU_CCW "virtio-gpu-ccw"
228 #define VIRTIO_GPU_CCW(obj) \
229         OBJECT_CHECK(VirtIOGPUCcw, (obj), TYPE_VIRTIO_GPU_CCW)
230 
231 typedef struct VirtIOGPUCcw {
232     VirtioCcwDevice parent_obj;
233     VirtIOGPU vdev;
234 } VirtIOGPUCcw;
235 
236 #endif
237