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 #include <hw/virtio/virtio-balloon.h>
  20 #include <hw/virtio/virtio-rng.h>
  21 #include <hw/virtio/virtio-bus.h>
  22
  23 #define VIRTUAL_CSSID 0xfe
  24
  25 #define VIRTIO_CCW_CU_TYPE 0x3832
  26 #define VIRTIO_CCW_CHPID_TYPE 0x32
  27
  28 #define CCW_CMD_SET_VQ       0x13
  29 #define CCW_CMD_VDEV_RESET   0x33
  30 #define CCW_CMD_READ_FEAT    0x12
  31 #define CCW_CMD_WRITE_FEAT   0x11
  32 #define CCW_CMD_READ_CONF    0x22
  33 #define CCW_CMD_WRITE_CONF   0x21
  34 #define CCW_CMD_WRITE_STATUS 0x31
  35 #define CCW_CMD_SET_IND      0x43
  36 #define CCW_CMD_SET_CONF_IND 0x53
  37 #define CCW_CMD_READ_VQ_CONF 0x32
  38
  39 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  40 #define VIRTIO_CCW_DEVICE(obj) \
  41      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  42 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  43      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  44 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  45      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  46
  47 typedef struct VirtioBusState VirtioCcwBusState;
  48 typedef struct VirtioBusClass VirtioCcwBusClass;
  49
  50 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  51 #define VIRTIO_CCW_BUS(obj) \
  52      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  53 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  54     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  55 #define VIRTIO_CCW_BUS_CLASS(klass) \
  56     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  57
  58 typedef struct VirtioCcwDevice VirtioCcwDevice;
  59
  60 void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev);
  61
  62 typedef struct VirtIOCCWDeviceClass {
  63     DeviceClass parent_class;
  64     int (*init)(VirtioCcwDevice *dev);
  65     int (*exit)(VirtioCcwDevice *dev);
  66 } VirtIOCCWDeviceClass;
  67
  68 /* Change here if we want to support more feature bits. */
  69 #define VIRTIO_CCW_FEATURE_SIZE 1
  70
  71 struct VirtioCcwDevice {
  72     DeviceState parent_obj;
  73     SubchDev *sch;
  74     VirtIODevice *vdev;
  75     char *bus_id;
  76     NICConf nic;
  77     uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE];
  78     virtio_net_conf net;
  79     VirtIORNGConf rng;
  80     VirtioBusState bus;
  81     /* Guest provided values: */
  82     hwaddr indicators;
  83     hwaddr indicators2;
  84 };
  85
  86 /* virtual css bus type */
  87 typedef struct VirtualCssBus {
  88     BusState parent_obj;
  89 } VirtualCssBus;
  90
  91 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
  92 #define VIRTUAL_CSS_BUS(obj) \
  93      OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
  94
  95 /* virtio-scsi-ccw */
  96
  97 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
  98 #define VIRTIO_SCSI_CCW(obj) \
  99         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
 100
 101 typedef struct VirtIOSCSICcw {
 102     VirtioCcwDevice parent_obj;
 103     VirtIOSCSI vdev;
 104 } VirtIOSCSICcw;
 105
 106 /* virtio-blk-ccw */
 107
 108 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
 109 #define VIRTIO_BLK_CCW(obj) \
 110         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 111
 112 typedef struct VirtIOBlkCcw {
 113     VirtioCcwDevice parent_obj;
 114     VirtIOBlock vdev;
 115     VirtIOBlkConf blk;
 116 } VirtIOBlkCcw;
 117
 118 /* virtio-balloon-ccw */
 119
 120 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
 121 #define VIRTIO_BALLOON_CCW(obj) \
 122         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
 123
 124 typedef struct VirtIOBalloonCcw {
 125     VirtioCcwDevice parent_obj;
 126     VirtIOBalloon vdev;
 127 } VirtIOBalloonCcw;
 128
 129 /* virtio-serial-ccw */
 130
 131 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
 132 #define VIRTIO_SERIAL_CCW(obj) \
 133         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
 134
 135 typedef struct VirtioSerialCcw {
 136     VirtioCcwDevice parent_obj;
 137     VirtIOSerial vdev;
 138 } VirtioSerialCcw;
 139
 140 VirtualCssBus *virtual_css_bus_init(void);
 141 void virtio_ccw_device_update_status(SubchDev *sch);
 142 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 143 #endif