hw/s390x/virtio-ccw.h

   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_READ_STATUS  0x72
  49 #define CCW_CMD_SET_IND_ADAPTER 0x73
  50 #define CCW_CMD_SET_VIRTIO_REV 0x83
  51
  52 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  53 #define VIRTIO_CCW_DEVICE(obj) \
  54      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  55 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  56      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  57 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  58      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  59
  60 typedef struct VirtioBusState VirtioCcwBusState;
  61 typedef struct VirtioBusClass VirtioCcwBusClass;
  62
  63 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  64 #define VIRTIO_CCW_BUS(obj) \
  65      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  66 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  67     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  68 #define VIRTIO_CCW_BUS_CLASS(klass) \
  69     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  70
  71 typedef struct VirtioCcwDevice VirtioCcwDevice;
  72
  73 typedef struct VirtIOCCWDeviceClass {
  74     CCWDeviceClass parent_class;
  75     void (*realize)(VirtioCcwDevice *dev, Error **errp);
  76     int (*exit)(VirtioCcwDevice *dev);
  77 } VirtIOCCWDeviceClass;
  78
  79 /* Performance improves when virtqueue kick processing is decoupled from the
  80  * vcpu thread using ioeventfd for some devices. */
  81 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
  82 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
  83
  84 struct VirtioCcwDevice {
  85     CcwDevice parent_obj;
  86     int revision;
  87     uint32_t max_rev;
  88     VirtioBusState bus;
  89     bool ioeventfd_started;
  90     bool ioeventfd_disabled;
  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 };
 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 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