hw/s390x/virtio-ccw.h

   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-bus.h>
  26
  27 #include <hw/s390x/s390_flic.h>
  28 #include <hw/s390x/css.h>
  29
  30 #define VIRTUAL_CSSID 0xfe
  31
  32 #define VIRTIO_CCW_CU_TYPE 0x3832
  33 #define VIRTIO_CCW_CHPID_TYPE 0x32
  34
  35 #define CCW_CMD_SET_VQ       0x13
  36 #define CCW_CMD_VDEV_RESET   0x33
  37 #define CCW_CMD_READ_FEAT    0x12
  38 #define CCW_CMD_WRITE_FEAT   0x11
  39 #define CCW_CMD_READ_CONF    0x22
  40 #define CCW_CMD_WRITE_CONF   0x21
  41 #define CCW_CMD_WRITE_STATUS 0x31
  42 #define CCW_CMD_SET_IND      0x43
  43 #define CCW_CMD_SET_CONF_IND 0x53
  44 #define CCW_CMD_READ_VQ_CONF 0x32
  45 #define CCW_CMD_SET_IND_ADAPTER 0x73
  46 #define CCW_CMD_SET_VIRTIO_REV 0x83
  47
  48 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  49 #define VIRTIO_CCW_DEVICE(obj) \
  50      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  51 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  52      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  53 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  54      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  55
  56 typedef struct VirtioBusState VirtioCcwBusState;
  57 typedef struct VirtioBusClass VirtioCcwBusClass;
  58
  59 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  60 #define VIRTIO_CCW_BUS(obj) \
  61      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  62 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  63     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  64 #define VIRTIO_CCW_BUS_CLASS(klass) \
  65     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  66
  67 typedef struct VirtioCcwDevice VirtioCcwDevice;
  68
  69 typedef struct VirtIOCCWDeviceClass {
  70     DeviceClass parent_class;
  71     void (*realize)(VirtioCcwDevice *dev, Error **errp);
  72     int (*exit)(VirtioCcwDevice *dev);
  73 } VirtIOCCWDeviceClass;
  74
  75 /* Performance improves when virtqueue kick processing is decoupled from the
  76  * vcpu thread using ioeventfd for some devices. */
  77 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
  78 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
  79
  80 struct VirtioCcwDevice {
  81     DeviceState parent_obj;
  82     SubchDev *sch;
  83     CssDevId bus_id;
  84     int revision;
  85     uint32_t max_rev;
  86     VirtioBusState bus;
  87     bool ioeventfd_started;
  88     bool ioeventfd_disabled;
  89     uint32_t flags;
  90     uint8_t thinint_isc;
  91     AdapterRoutes routes;
  92     /* Guest provided values: */
  93     IndAddr *indicators;
  94     IndAddr *indicators2;
  95     IndAddr *summary_indicator;
  96     uint64_t ind_bit;
  97 };
  98
  99 /* The maximum virtio revision we support. */
 100 #define VIRTIO_CCW_MAX_REV 1
 101 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
 102 {
 103     return dev->max_rev;
 104 }
 105
 106 /* virtual css bus type */
 107 typedef struct VirtualCssBus {
 108     BusState parent_obj;
 109 } VirtualCssBus;
 110
 111 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
 112 #define VIRTUAL_CSS_BUS(obj) \
 113      OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
 114
 115 /* virtio-scsi-ccw */
 116
 117 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
 118 #define VIRTIO_SCSI_CCW(obj) \
 119         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
 120
 121 typedef struct VirtIOSCSICcw {
 122     VirtioCcwDevice parent_obj;
 123     VirtIOSCSI vdev;
 124 } VirtIOSCSICcw;
 125
 126 #ifdef CONFIG_VHOST_SCSI
 127 /* vhost-scsi-ccw */
 128
 129 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
 130 #define VHOST_SCSI_CCW(obj) \
 131         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
 132
 133 typedef struct VHostSCSICcw {
 134     VirtioCcwDevice parent_obj;
 135     VHostSCSI vdev;
 136 } VHostSCSICcw;
 137 #endif
 138
 139 /* virtio-blk-ccw */
 140
 141 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
 142 #define VIRTIO_BLK_CCW(obj) \
 143         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 144
 145 typedef struct VirtIOBlkCcw {
 146     VirtioCcwDevice parent_obj;
 147     VirtIOBlock vdev;
 148 } VirtIOBlkCcw;
 149
 150 /* virtio-balloon-ccw */
 151
 152 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
 153 #define VIRTIO_BALLOON_CCW(obj) \
 154         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
 155
 156 typedef struct VirtIOBalloonCcw {
 157     VirtioCcwDevice parent_obj;
 158     VirtIOBalloon vdev;
 159 } VirtIOBalloonCcw;
 160
 161 /* virtio-serial-ccw */
 162
 163 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
 164 #define VIRTIO_SERIAL_CCW(obj) \
 165         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
 166
 167 typedef struct VirtioSerialCcw {
 168     VirtioCcwDevice parent_obj;
 169     VirtIOSerial vdev;
 170 } VirtioSerialCcw;
 171
 172 /* virtio-net-ccw */
 173
 174 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
 175 #define VIRTIO_NET_CCW(obj) \
 176         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
 177
 178 typedef struct VirtIONetCcw {
 179     VirtioCcwDevice parent_obj;
 180     VirtIONet vdev;
 181 } VirtIONetCcw;
 182
 183 /* virtio-rng-ccw */
 184
 185 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
 186 #define VIRTIO_RNG_CCW(obj) \
 187         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
 188
 189 typedef struct VirtIORNGCcw {
 190     VirtioCcwDevice parent_obj;
 191     VirtIORNG vdev;
 192 } VirtIORNGCcw;
 193
 194 VirtualCssBus *virtual_css_bus_init(void);
 195 void virtio_ccw_device_update_status(SubchDev *sch);
 196 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 197
 198 #ifdef CONFIG_VIRTFS
 199 #include "hw/9pfs/virtio-9p.h"
 200
 201 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
 202 #define VIRTIO_9P_CCW(obj) \
 203     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
 204
 205 typedef struct V9fsCCWState {
 206     VirtioCcwDevice parent_obj;
 207     V9fsVirtioState vdev;
 208 } V9fsCCWState;
 209
 210 #endif /* CONFIG_VIRTFS */
 211
 212 #endif