xref: /openbmc/qemu/hw/s390x/virtio-ccw.h (revision 927d5a1d98ff9177ec29e883c5361e0d247291d8) 
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-bus.h"
26 #ifdef CONFIG_VHOST_VSOCK
27 #include "hw/virtio/vhost-vsock.h"
28 #endif /* CONFIG_VHOST_VSOCK */
29 
30 #include "hw/s390x/s390_flic.h"
31 #include "hw/s390x/css.h"
32 #include "ccw-device.h"
33 #include "hw/s390x/css-bridge.h"
34 
35 #define VIRTIO_CCW_CU_TYPE 0x3832
36 #define VIRTIO_CCW_CHPID_TYPE 0x32
37 
38 #define CCW_CMD_SET_VQ       0x13
39 #define CCW_CMD_VDEV_RESET   0x33
40 #define CCW_CMD_READ_FEAT    0x12
41 #define CCW_CMD_WRITE_FEAT   0x11
42 #define CCW_CMD_READ_CONF    0x22
43 #define CCW_CMD_WRITE_CONF   0x21
44 #define CCW_CMD_WRITE_STATUS 0x31
45 #define CCW_CMD_SET_IND      0x43
46 #define CCW_CMD_SET_CONF_IND 0x53
47 #define CCW_CMD_READ_VQ_CONF 0x32
48 #define CCW_CMD_SET_IND_ADAPTER 0x73
49 #define CCW_CMD_SET_VIRTIO_REV 0x83
50 
51 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
52 #define VIRTIO_CCW_DEVICE(obj) \
53      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
54 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
55      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
56 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
57      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_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 #define VIRTIO_CCW_BUS(obj) \
64      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
65 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
66     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
67 #define VIRTIO_CCW_BUS_CLASS(klass) \
68     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
69 
70 typedef struct VirtioCcwDevice VirtioCcwDevice;
71 
72 typedef struct VirtIOCCWDeviceClass {
73     CCWDeviceClass parent_class;
74     void (*realize)(VirtioCcwDevice *dev, Error **errp);
75     int (*exit)(VirtioCcwDevice *dev);
76 } VirtIOCCWDeviceClass;
77 
78 /* Performance improves when virtqueue kick processing is decoupled from the
79  * vcpu thread using ioeventfd for some devices. */
80 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
81 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
82 
83 struct VirtioCcwDevice {
84     CcwDevice parent_obj;
85     int revision;
86     uint32_t max_rev;
87     VirtioBusState bus;
88     bool ioeventfd_started;
89     bool ioeventfd_disabled;
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 };
99 
100 /* The maximum virtio revision we support. */
101 #define VIRTIO_CCW_MAX_REV 1
102 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
103 {
104     return dev->max_rev;
105 }
106 
107 /* virtio-scsi-ccw */
108 
109 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
110 #define VIRTIO_SCSI_CCW(obj) \
111         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
112 
113 typedef struct VirtIOSCSICcw {
114     VirtioCcwDevice parent_obj;
115     VirtIOSCSI vdev;
116 } VirtIOSCSICcw;
117 
118 #ifdef CONFIG_VHOST_SCSI
119 /* vhost-scsi-ccw */
120 
121 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
122 #define VHOST_SCSI_CCW(obj) \
123         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
124 
125 typedef struct VHostSCSICcw {
126     VirtioCcwDevice parent_obj;
127     VHostSCSI vdev;
128 } VHostSCSICcw;
129 #endif
130 
131 /* virtio-blk-ccw */
132 
133 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
134 #define VIRTIO_BLK_CCW(obj) \
135         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
136 
137 typedef struct VirtIOBlkCcw {
138     VirtioCcwDevice parent_obj;
139     VirtIOBlock vdev;
140 } VirtIOBlkCcw;
141 
142 /* virtio-balloon-ccw */
143 
144 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
145 #define VIRTIO_BALLOON_CCW(obj) \
146         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
147 
148 typedef struct VirtIOBalloonCcw {
149     VirtioCcwDevice parent_obj;
150     VirtIOBalloon vdev;
151 } VirtIOBalloonCcw;
152 
153 /* virtio-serial-ccw */
154 
155 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
156 #define VIRTIO_SERIAL_CCW(obj) \
157         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
158 
159 typedef struct VirtioSerialCcw {
160     VirtioCcwDevice parent_obj;
161     VirtIOSerial vdev;
162 } VirtioSerialCcw;
163 
164 /* virtio-net-ccw */
165 
166 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
167 #define VIRTIO_NET_CCW(obj) \
168         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
169 
170 typedef struct VirtIONetCcw {
171     VirtioCcwDevice parent_obj;
172     VirtIONet vdev;
173 } VirtIONetCcw;
174 
175 /* virtio-rng-ccw */
176 
177 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
178 #define VIRTIO_RNG_CCW(obj) \
179         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
180 
181 typedef struct VirtIORNGCcw {
182     VirtioCcwDevice parent_obj;
183     VirtIORNG vdev;
184 } VirtIORNGCcw;
185 
186 void virtio_ccw_device_update_status(SubchDev *sch);
187 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
188 
189 #ifdef CONFIG_VIRTFS
190 #include "hw/9pfs/virtio-9p.h"
191 
192 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
193 #define VIRTIO_9P_CCW(obj) \
194     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
195 
196 typedef struct V9fsCCWState {
197     VirtioCcwDevice parent_obj;
198     V9fsVirtioState vdev;
199 } V9fsCCWState;
200 
201 #endif /* CONFIG_VIRTFS */
202 
203 #ifdef CONFIG_VHOST_VSOCK
204 #define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw"
205 #define VHOST_VSOCK_CCW(obj) \
206     OBJECT_CHECK(VHostVSockCCWState, (obj), TYPE_VHOST_VSOCK_CCW)
207 
208 typedef struct VHostVSockCCWState {
209     VirtioCcwDevice parent_obj;
210     VHostVSock vdev;
211 } VHostVSockCCWState;
212 
213 #endif /* CONFIG_VHOST_VSOCK */
214 
215 #endif
216