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-rng.h>
  20 #include <hw/virtio-bus.h>
  21
  22 #define VIRTUAL_CSSID 0xfe
  23
  24 #define VIRTIO_CCW_CU_TYPE 0x3832
  25 #define VIRTIO_CCW_CHPID_TYPE 0x32
  26
  27 #define CCW_CMD_SET_VQ       0x13
  28 #define CCW_CMD_VDEV_RESET   0x33
  29 #define CCW_CMD_READ_FEAT    0x12
  30 #define CCW_CMD_WRITE_FEAT   0x11
  31 #define CCW_CMD_READ_CONF    0x22
  32 #define CCW_CMD_WRITE_CONF   0x21
  33 #define CCW_CMD_WRITE_STATUS 0x31
  34 #define CCW_CMD_SET_IND      0x43
  35 #define CCW_CMD_SET_CONF_IND 0x53
  36 #define CCW_CMD_READ_VQ_CONF 0x32
  37
  38 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  39 #define VIRTIO_CCW_DEVICE(obj) \
  40      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  41 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  42      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  43 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  44      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  45
  46 typedef struct VirtioBusState VirtioCcwBusState;
  47 typedef struct VirtioBusClass VirtioCcwBusClass;
  48
  49 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  50 #define VIRTIO_CCW_BUS(obj) \
  51      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  52 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  53     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  54 #define VIRTIO_CCW_BUS_CLASS(klass) \
  55     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  56
  57 typedef struct VirtioCcwDevice VirtioCcwDevice;
  58
  59 void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev);
  60
  61 typedef struct VirtIOCCWDeviceClass {
  62     DeviceClass parent_class;
  63     int (*init)(VirtioCcwDevice *dev);
  64     int (*exit)(VirtioCcwDevice *dev);
  65 } VirtIOCCWDeviceClass;
  66
  67 /* Change here if we want to support more feature bits. */
  68 #define VIRTIO_CCW_FEATURE_SIZE 1
  69
  70 struct VirtioCcwDevice {
  71     DeviceState parent_obj;
  72     SubchDev *sch;
  73     VirtIODevice *vdev;
  74     char *bus_id;
  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     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-blk-ccw */
  97
  98 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
  99 #define VIRTIO_BLK_CCW(obj) \
 100         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 101
 102 typedef struct VirtIOBlkCcw {
 103     VirtioCcwDevice parent_obj;
 104     VirtIOBlock vdev;
 105     VirtIOBlkConf blk;
 106 } VirtIOBlkCcw;
 107
 108
 109 VirtualCssBus *virtual_css_bus_init(void);
 110 void virtio_ccw_device_update_status(SubchDev *sch);
 111 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 112 #endif