xref: /openbmc/qemu/hw/s390x/virtio-ccw.h (revision 8779fccb)
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 
31 #include "hw/s390x/s390_flic.h"
32 #include "hw/s390x/css.h"
33 #include "ccw-device.h"
34 #include "hw/s390x/css-bridge.h"
35 
36 #define VIRTIO_CCW_CU_TYPE 0x3832
37 #define VIRTIO_CCW_CHPID_TYPE 0x32
38 
39 #define CCW_CMD_SET_VQ       0x13
40 #define CCW_CMD_VDEV_RESET   0x33
41 #define CCW_CMD_READ_FEAT    0x12
42 #define CCW_CMD_WRITE_FEAT   0x11
43 #define CCW_CMD_READ_CONF    0x22
44 #define CCW_CMD_WRITE_CONF   0x21
45 #define CCW_CMD_WRITE_STATUS 0x31
46 #define CCW_CMD_SET_IND      0x43
47 #define CCW_CMD_SET_CONF_IND 0x53
48 #define CCW_CMD_READ_VQ_CONF 0x32
49 #define CCW_CMD_READ_STATUS  0x72
50 #define CCW_CMD_SET_IND_ADAPTER 0x73
51 #define CCW_CMD_SET_VIRTIO_REV 0x83
52 
53 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
54 #define VIRTIO_CCW_DEVICE(obj) \
55      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
56 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
57      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
58 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
59      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
60 
61 typedef struct VirtioBusState VirtioCcwBusState;
62 typedef struct VirtioBusClass VirtioCcwBusClass;
63 
64 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
65 #define VIRTIO_CCW_BUS(obj) \
66      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
67 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
68     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
69 #define VIRTIO_CCW_BUS_CLASS(klass) \
70     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
71 
72 typedef struct VirtioCcwDevice VirtioCcwDevice;
73 
74 typedef struct VirtIOCCWDeviceClass {
75     CCWDeviceClass parent_class;
76     void (*realize)(VirtioCcwDevice *dev, Error **errp);
77     int (*exit)(VirtioCcwDevice *dev);
78 } VirtIOCCWDeviceClass;
79 
80 /* Performance improves when virtqueue kick processing is decoupled from the
81  * vcpu thread using ioeventfd for some devices. */
82 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
83 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
84 
85 struct VirtioCcwDevice {
86     CcwDevice parent_obj;
87     int revision;
88     uint32_t max_rev;
89     VirtioBusState bus;
90     uint32_t flags;
91     uint8_t thinint_isc;
92     AdapterRoutes routes;
93     /* Guest provided values: */
94     IndAddr *indicators;
95     IndAddr *indicators2;
96     IndAddr *summary_indicator;
97     uint64_t ind_bit;
98     bool force_revision_1;
99 };
100 
101 /* The maximum virtio revision we support. */
102 #define VIRTIO_CCW_MAX_REV 2
103 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
104 {
105     return dev->max_rev;
106 }
107 
108 /* virtio-scsi-ccw */
109 
110 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
111 #define VIRTIO_SCSI_CCW(obj) \
112         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
113 
114 typedef struct VirtIOSCSICcw {
115     VirtioCcwDevice parent_obj;
116     VirtIOSCSI vdev;
117 } VirtIOSCSICcw;
118 
119 #ifdef CONFIG_VHOST_SCSI
120 /* vhost-scsi-ccw */
121 
122 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
123 #define VHOST_SCSI_CCW(obj) \
124         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
125 
126 typedef struct VHostSCSICcw {
127     VirtioCcwDevice parent_obj;
128     VHostSCSI vdev;
129 } VHostSCSICcw;
130 #endif
131 
132 /* virtio-blk-ccw */
133 
134 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
135 #define VIRTIO_BLK_CCW(obj) \
136         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
137 
138 typedef struct VirtIOBlkCcw {
139     VirtioCcwDevice parent_obj;
140     VirtIOBlock vdev;
141 } VirtIOBlkCcw;
142 
143 /* virtio-balloon-ccw */
144 
145 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
146 #define VIRTIO_BALLOON_CCW(obj) \
147         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
148 
149 typedef struct VirtIOBalloonCcw {
150     VirtioCcwDevice parent_obj;
151     VirtIOBalloon vdev;
152 } VirtIOBalloonCcw;
153 
154 /* virtio-serial-ccw */
155 
156 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
157 #define VIRTIO_SERIAL_CCW(obj) \
158         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
159 
160 typedef struct VirtioSerialCcw {
161     VirtioCcwDevice parent_obj;
162     VirtIOSerial vdev;
163 } VirtioSerialCcw;
164 
165 /* virtio-net-ccw */
166 
167 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
168 #define VIRTIO_NET_CCW(obj) \
169         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
170 
171 typedef struct VirtIONetCcw {
172     VirtioCcwDevice parent_obj;
173     VirtIONet vdev;
174 } VirtIONetCcw;
175 
176 /* virtio-rng-ccw */
177 
178 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
179 #define VIRTIO_RNG_CCW(obj) \
180         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
181 
182 typedef struct VirtIORNGCcw {
183     VirtioCcwDevice parent_obj;
184     VirtIORNG vdev;
185 } VirtIORNGCcw;
186 
187 /* virtio-crypto-ccw */
188 
189 #define TYPE_VIRTIO_CRYPTO_CCW "virtio-crypto-ccw"
190 #define VIRTIO_CRYPTO_CCW(obj) \
191         OBJECT_CHECK(VirtIOCryptoCcw, (obj), TYPE_VIRTIO_CRYPTO_CCW)
192 
193 typedef struct VirtIOCryptoCcw {
194     VirtioCcwDevice parent_obj;
195     VirtIOCrypto vdev;
196 } VirtIOCryptoCcw;
197 
198 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
199 
200 #ifdef CONFIG_VIRTFS
201 #include "hw/9pfs/virtio-9p.h"
202 
203 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
204 #define VIRTIO_9P_CCW(obj) \
205     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
206 
207 typedef struct V9fsCCWState {
208     VirtioCcwDevice parent_obj;
209     V9fsVirtioState vdev;
210 } V9fsCCWState;
211 
212 #endif /* CONFIG_VIRTFS */
213 
214 #ifdef CONFIG_VHOST_VSOCK
215 #define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw"
216 #define VHOST_VSOCK_CCW(obj) \
217     OBJECT_CHECK(VHostVSockCCWState, (obj), TYPE_VHOST_VSOCK_CCW)
218 
219 typedef struct VHostVSockCCWState {
220     VirtioCcwDevice parent_obj;
221     VHostVSock vdev;
222 } VHostVSockCCWState;
223 
224 #endif /* CONFIG_VHOST_VSOCK */
225 
226 #endif
227