hw/s390x/virtio-ccw.h

   1 /*
   2  * virtio ccw target definitions
   3  *
   4  * Copyright 2012 IBM Corp.
   5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8  * your option) any later version. See the COPYING file in the top-level
   9  * directory.
  10  */
  11
  12 #ifndef HW_S390X_VIRTIO_CCW_H
  13 #define HW_S390X_VIRTIO_CCW_H
  14
  15 #include <hw/virtio/virtio-blk.h>
  16 #include <hw/virtio/virtio-net.h>
  17 #include <hw/virtio/virtio-serial.h>
  18 #include <hw/virtio/virtio-scsi.h>
  19 #ifdef CONFIG_VHOST_SCSI
  20 #include <hw/virtio/vhost-scsi.h>
  21 #endif
  22 #include <hw/virtio/virtio-balloon.h>
  23 #include <hw/virtio/virtio-rng.h>
  24 #include <hw/virtio/virtio-bus.h>
  25
  26 #define VIRTUAL_CSSID 0xfe
  27
  28 #define VIRTIO_CCW_CU_TYPE 0x3832
  29 #define VIRTIO_CCW_CHPID_TYPE 0x32
  30
  31 #define CCW_CMD_SET_VQ       0x13
  32 #define CCW_CMD_VDEV_RESET   0x33
  33 #define CCW_CMD_READ_FEAT    0x12
  34 #define CCW_CMD_WRITE_FEAT   0x11
  35 #define CCW_CMD_READ_CONF    0x22
  36 #define CCW_CMD_WRITE_CONF   0x21
  37 #define CCW_CMD_WRITE_STATUS 0x31
  38 #define CCW_CMD_SET_IND      0x43
  39 #define CCW_CMD_SET_CONF_IND 0x53
  40 #define CCW_CMD_READ_VQ_CONF 0x32
  41
  42 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  43 #define VIRTIO_CCW_DEVICE(obj) \
  44      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  45 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  46      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  47 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  48      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  49
  50 typedef struct VirtioBusState VirtioCcwBusState;
  51 typedef struct VirtioBusClass VirtioCcwBusClass;
  52
  53 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  54 #define VIRTIO_CCW_BUS(obj) \
  55      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  56 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  57     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  58 #define VIRTIO_CCW_BUS_CLASS(klass) \
  59     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  60
  61 typedef struct VirtioCcwDevice VirtioCcwDevice;
  62
  63 void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev);
  64
  65 typedef struct VirtIOCCWDeviceClass {
  66     DeviceClass parent_class;
  67     int (*init)(VirtioCcwDevice *dev);
  68     int (*exit)(VirtioCcwDevice *dev);
  69 } VirtIOCCWDeviceClass;
  70
  71 /* Change here if we want to support more feature bits. */
  72 #define VIRTIO_CCW_FEATURE_SIZE 1
  73
  74 struct VirtioCcwDevice {
  75     DeviceState parent_obj;
  76     SubchDev *sch;
  77     VirtIODevice *vdev;
  78     char *bus_id;
  79     uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE];
  80     VirtIORNGConf rng;
  81     VirtioBusState bus;
  82     /* Guest provided values: */
  83     hwaddr indicators;
  84     hwaddr indicators2;
  85 };
  86
  87 /* virtual css bus type */
  88 typedef struct VirtualCssBus {
  89     BusState parent_obj;
  90 } VirtualCssBus;
  91
  92 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
  93 #define VIRTUAL_CSS_BUS(obj) \
  94      OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
  95
  96 /* virtio-scsi-ccw */
  97
  98 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
  99 #define VIRTIO_SCSI_CCW(obj) \
 100         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
 101
 102 typedef struct VirtIOSCSICcw {
 103     VirtioCcwDevice parent_obj;
 104     VirtIOSCSI vdev;
 105 } VirtIOSCSICcw;
 106
 107 /* vhost-scsi-ccw */
 108
 109 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
 110 #define VHOST_SCSI_CCW(obj) \
 111         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
 112
 113 typedef struct VHostSCSICcw {
 114     VirtioCcwDevice parent_obj;
 115     VHostSCSI vdev;
 116 } VHostSCSICcw;
 117
 118 /* virtio-blk-ccw */
 119
 120 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
 121 #define VIRTIO_BLK_CCW(obj) \
 122         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 123
 124 typedef struct VirtIOBlkCcw {
 125     VirtioCcwDevice parent_obj;
 126     VirtIOBlock vdev;
 127     VirtIOBlkConf blk;
 128 } VirtIOBlkCcw;
 129
 130 /* virtio-balloon-ccw */
 131
 132 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
 133 #define VIRTIO_BALLOON_CCW(obj) \
 134         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
 135
 136 typedef struct VirtIOBalloonCcw {
 137     VirtioCcwDevice parent_obj;
 138     VirtIOBalloon vdev;
 139 } VirtIOBalloonCcw;
 140
 141 /* virtio-serial-ccw */
 142
 143 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
 144 #define VIRTIO_SERIAL_CCW(obj) \
 145         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
 146
 147 typedef struct VirtioSerialCcw {
 148     VirtioCcwDevice parent_obj;
 149     VirtIOSerial vdev;
 150 } VirtioSerialCcw;
 151
 152 /* virtio-net-ccw */
 153
 154 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
 155 #define VIRTIO_NET_CCW(obj) \
 156         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
 157
 158 typedef struct VirtIONetCcw {
 159     VirtioCcwDevice parent_obj;
 160     VirtIONet vdev;
 161 } VirtIONetCcw;
 162
 163 VirtualCssBus *virtual_css_bus_init(void);
 164 void virtio_ccw_device_update_status(SubchDev *sch);
 165 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 166 #endif