qemu/hw/s390x/virtio-ccw.h
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   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-crypto.h"
  26#include "hw/virtio/virtio-bus.h"
  27#ifdef CONFIG_VHOST_VSOCK
  28#include "hw/virtio/vhost-vsock.h"
  29#endif /* CONFIG_VHOST_VSOCK */
  30
  31#include "hw/s390x/s390_flic.h"
  32#include "hw/s390x/css.h"
  33#include "ccw-device.h"
  34#include "hw/s390x/css-bridge.h"
  35
  36#define VIRTIO_CCW_CU_TYPE 0x3832
  37#define VIRTIO_CCW_CHPID_TYPE 0x32
  38
  39#define CCW_CMD_SET_VQ       0x13
  40#define CCW_CMD_VDEV_RESET   0x33
  41#define CCW_CMD_READ_FEAT    0x12
  42#define CCW_CMD_WRITE_FEAT   0x11
  43#define CCW_CMD_READ_CONF    0x22
  44#define CCW_CMD_WRITE_CONF   0x21
  45#define CCW_CMD_WRITE_STATUS 0x31
  46#define CCW_CMD_SET_IND      0x43
  47#define CCW_CMD_SET_CONF_IND 0x53
  48#define CCW_CMD_READ_VQ_CONF 0x32
  49#define CCW_CMD_READ_STATUS  0x72
  50#define CCW_CMD_SET_IND_ADAPTER 0x73
  51#define CCW_CMD_SET_VIRTIO_REV 0x83
  52
  53#define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  54#define VIRTIO_CCW_DEVICE(obj) \
  55     OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  56#define VIRTIO_CCW_DEVICE_CLASS(klass) \
  57     OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  58#define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  59     OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  60
  61typedef struct VirtioBusState VirtioCcwBusState;
  62typedef struct VirtioBusClass VirtioCcwBusClass;
  63
  64#define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  65#define VIRTIO_CCW_BUS(obj) \
  66     OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  67#define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  68    OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  69#define VIRTIO_CCW_BUS_CLASS(klass) \
  70    OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  71
  72typedef struct VirtioCcwDevice VirtioCcwDevice;
  73
  74typedef struct VirtIOCCWDeviceClass {
  75    CCWDeviceClass parent_class;
  76    void (*realize)(VirtioCcwDevice *dev, Error **errp);
  77    int (*exit)(VirtioCcwDevice *dev);
  78} VirtIOCCWDeviceClass;
  79
  80/* Performance improves when virtqueue kick processing is decoupled from the
  81 * vcpu thread using ioeventfd for some devices. */
  82#define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
  83#define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
  84
  85struct VirtioCcwDevice {
  86    CcwDevice parent_obj;
  87    int revision;
  88    uint32_t max_rev;
  89    VirtioBusState bus;
  90    uint32_t flags;
  91    uint8_t thinint_isc;
  92    AdapterRoutes routes;
  93    /* Guest provided values: */
  94    IndAddr *indicators;
  95    IndAddr *indicators2;
  96    IndAddr *summary_indicator;
  97    uint64_t ind_bit;
  98    bool force_revision_1;
  99};
 100
 101/* The maximum virtio revision we support. */
 102#define VIRTIO_CCW_MAX_REV 2
 103static 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
 114typedef 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
 126typedef 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
 138typedef 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
 149typedef 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
 160typedef 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
 171typedef 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
 182typedef struct VirtIORNGCcw {
 183    VirtioCcwDevice parent_obj;
 184    VirtIORNG vdev;
 185} VirtIORNGCcw;
 186
 187/* virtio-crypto-ccw */
 188
 189#define TYPE_VIRTIO_CRYPTO_CCW "virtio-crypto-ccw"
 190#define VIRTIO_CRYPTO_CCW(obj) \
 191        OBJECT_CHECK(VirtIOCryptoCcw, (obj), TYPE_VIRTIO_CRYPTO_CCW)
 192
 193typedef struct VirtIOCryptoCcw {
 194    VirtioCcwDevice parent_obj;
 195    VirtIOCrypto vdev;
 196} VirtIOCryptoCcw;
 197
 198VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 199
 200#ifdef CONFIG_VIRTFS
 201#include "hw/9pfs/virtio-9p.h"
 202
 203#define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
 204#define VIRTIO_9P_CCW(obj) \
 205    OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
 206
 207typedef struct V9fsCCWState {
 208    VirtioCcwDevice parent_obj;
 209    V9fsVirtioState vdev;
 210} V9fsCCWState;
 211
 212#endif /* CONFIG_VIRTFS */
 213
 214#ifdef CONFIG_VHOST_VSOCK
 215#define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw"
 216#define VHOST_VSOCK_CCW(obj) \
 217    OBJECT_CHECK(VHostVSockCCWState, (obj), TYPE_VHOST_VSOCK_CCW)
 218
 219typedef struct VHostVSockCCWState {
 220    VirtioCcwDevice parent_obj;
 221    VHostVSock vdev;
 222} VHostVSockCCWState;
 223
 224#endif /* CONFIG_VHOST_VSOCK */
 225
 226#endif
 227
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