xref: /qemu/hw/s390x/virtio-ccw.h (revision 85aad98a)
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 
27 #include "hw/s390x/s390_flic.h"
28 #include "hw/s390x/css.h"
29 #include "ccw-device.h"
30 #include "hw/s390x/css-bridge.h"
31 
32 #define VIRTIO_CCW_CU_TYPE 0x3832
33 #define VIRTIO_CCW_CHPID_TYPE 0x32
34 
35 #define CCW_CMD_SET_VQ       0x13
36 #define CCW_CMD_VDEV_RESET   0x33
37 #define CCW_CMD_READ_FEAT    0x12
38 #define CCW_CMD_WRITE_FEAT   0x11
39 #define CCW_CMD_READ_CONF    0x22
40 #define CCW_CMD_WRITE_CONF   0x21
41 #define CCW_CMD_WRITE_STATUS 0x31
42 #define CCW_CMD_SET_IND      0x43
43 #define CCW_CMD_SET_CONF_IND 0x53
44 #define CCW_CMD_READ_VQ_CONF 0x32
45 #define CCW_CMD_SET_IND_ADAPTER 0x73
46 #define CCW_CMD_SET_VIRTIO_REV 0x83
47 
48 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
49 #define VIRTIO_CCW_DEVICE(obj) \
50      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
51 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
52      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
53 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
54      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
55 
56 typedef struct VirtioBusState VirtioCcwBusState;
57 typedef struct VirtioBusClass VirtioCcwBusClass;
58 
59 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
60 #define VIRTIO_CCW_BUS(obj) \
61      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
62 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
63     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
64 #define VIRTIO_CCW_BUS_CLASS(klass) \
65     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
66 
67 typedef struct VirtioCcwDevice VirtioCcwDevice;
68 
69 typedef struct VirtIOCCWDeviceClass {
70     CCWDeviceClass parent_class;
71     void (*realize)(VirtioCcwDevice *dev, Error **errp);
72     int (*exit)(VirtioCcwDevice *dev);
73 } VirtIOCCWDeviceClass;
74 
75 /* Performance improves when virtqueue kick processing is decoupled from the
76  * vcpu thread using ioeventfd for some devices. */
77 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
78 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
79 
80 struct VirtioCcwDevice {
81     CcwDevice parent_obj;
82     int revision;
83     uint32_t max_rev;
84     VirtioBusState bus;
85     bool ioeventfd_started;
86     bool ioeventfd_disabled;
87     uint32_t flags;
88     uint8_t thinint_isc;
89     AdapterRoutes routes;
90     /* Guest provided values: */
91     IndAddr *indicators;
92     IndAddr *indicators2;
93     IndAddr *summary_indicator;
94     uint64_t ind_bit;
95 };
96 
97 /* The maximum virtio revision we support. */
98 #define VIRTIO_CCW_MAX_REV 1
99 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
100 {
101     return dev->max_rev;
102 }
103 
104 /* virtio-scsi-ccw */
105 
106 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
107 #define VIRTIO_SCSI_CCW(obj) \
108         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
109 
110 typedef struct VirtIOSCSICcw {
111     VirtioCcwDevice parent_obj;
112     VirtIOSCSI vdev;
113 } VirtIOSCSICcw;
114 
115 #ifdef CONFIG_VHOST_SCSI
116 /* vhost-scsi-ccw */
117 
118 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
119 #define VHOST_SCSI_CCW(obj) \
120         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
121 
122 typedef struct VHostSCSICcw {
123     VirtioCcwDevice parent_obj;
124     VHostSCSI vdev;
125 } VHostSCSICcw;
126 #endif
127 
128 /* virtio-blk-ccw */
129 
130 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
131 #define VIRTIO_BLK_CCW(obj) \
132         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
133 
134 typedef struct VirtIOBlkCcw {
135     VirtioCcwDevice parent_obj;
136     VirtIOBlock vdev;
137 } VirtIOBlkCcw;
138 
139 /* virtio-balloon-ccw */
140 
141 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
142 #define VIRTIO_BALLOON_CCW(obj) \
143         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
144 
145 typedef struct VirtIOBalloonCcw {
146     VirtioCcwDevice parent_obj;
147     VirtIOBalloon vdev;
148 } VirtIOBalloonCcw;
149 
150 /* virtio-serial-ccw */
151 
152 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
153 #define VIRTIO_SERIAL_CCW(obj) \
154         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
155 
156 typedef struct VirtioSerialCcw {
157     VirtioCcwDevice parent_obj;
158     VirtIOSerial vdev;
159 } VirtioSerialCcw;
160 
161 /* virtio-net-ccw */
162 
163 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
164 #define VIRTIO_NET_CCW(obj) \
165         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
166 
167 typedef struct VirtIONetCcw {
168     VirtioCcwDevice parent_obj;
169     VirtIONet vdev;
170 } VirtIONetCcw;
171 
172 /* virtio-rng-ccw */
173 
174 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
175 #define VIRTIO_RNG_CCW(obj) \
176         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
177 
178 typedef struct VirtIORNGCcw {
179     VirtioCcwDevice parent_obj;
180     VirtIORNG vdev;
181 } VirtIORNGCcw;
182 
183 void virtio_ccw_device_update_status(SubchDev *sch);
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 #define VIRTIO_9P_CCW(obj) \
191     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
192 
193 typedef struct V9fsCCWState {
194     VirtioCcwDevice parent_obj;
195     V9fsVirtioState vdev;
196 } V9fsCCWState;
197 
198 #endif /* CONFIG_VIRTFS */
199 
200 #endif
201