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-blk.h>
  16 #include <hw/virtio-net.h>
  17 #include <hw/virtio-serial.h>
  18 #include <hw/virtio-scsi.h>
  19 #include <hw/virtio-bus.h>
  20
  21 #define VIRTUAL_CSSID 0xfe
  22
  23 #define VIRTIO_CCW_CU_TYPE 0x3832
  24 #define VIRTIO_CCW_CHPID_TYPE 0x32
  25
  26 #define CCW_CMD_SET_VQ       0x13
  27 #define CCW_CMD_VDEV_RESET   0x33
  28 #define CCW_CMD_READ_FEAT    0x12
  29 #define CCW_CMD_WRITE_FEAT   0x11
  30 #define CCW_CMD_READ_CONF    0x22
  31 #define CCW_CMD_WRITE_CONF   0x21
  32 #define CCW_CMD_WRITE_STATUS 0x31
  33 #define CCW_CMD_SET_IND      0x43
  34 #define CCW_CMD_SET_CONF_IND 0x53
  35 #define CCW_CMD_READ_VQ_CONF 0x32
  36
  37 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  38 #define VIRTIO_CCW_DEVICE(obj) \
  39      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  40 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  41      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  42 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  43      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  44
  45 typedef struct VirtioBusState VirtioCcwBusState;
  46 typedef struct VirtioBusClass VirtioCcwBusClass;
  47
  48 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  49 #define VIRTIO_CCW_BUS(obj) \
  50      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  51 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  52     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  53 #define VIRTIO_CCW_BUS_CLASS(klass) \
  54     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  55
  56 typedef struct VirtioCcwDevice VirtioCcwDevice;
  57
  58 void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev);
  59
  60 typedef struct VirtIOCCWDeviceClass {
  61     DeviceClass parent_class;
  62     int (*init)(VirtioCcwDevice *dev);
  63     int (*exit)(VirtioCcwDevice *dev);
  64 } VirtIOCCWDeviceClass;
  65
  66 /* Change here if we want to support more feature bits. */
  67 #define VIRTIO_CCW_FEATURE_SIZE 1
  68
  69 struct VirtioCcwDevice {
  70     DeviceState parent_obj;
  71     SubchDev *sch;
  72     VirtIODevice *vdev;
  73     char *bus_id;
  74     VirtIOBlkConf blk;
  75     NICConf nic;
  76     uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE];
  77     virtio_serial_conf serial;
  78     virtio_net_conf net;
  79     VirtIOSCSIConf scsi;
  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 VirtualCssBus *virtual_css_bus_init(void);
  96 void virtio_ccw_device_update_status(SubchDev *sch);
  97 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
  98 #endif