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 #include <hw/s390x/s390_flic.h>
  27
  28 #define VIRTUAL_CSSID 0xfe
  29
  30 #define VIRTIO_CCW_CU_TYPE 0x3832
  31 #define VIRTIO_CCW_CHPID_TYPE 0x32
  32
  33 #define CCW_CMD_SET_VQ       0x13
  34 #define CCW_CMD_VDEV_RESET   0x33
  35 #define CCW_CMD_READ_FEAT    0x12
  36 #define CCW_CMD_WRITE_FEAT   0x11
  37 #define CCW_CMD_READ_CONF    0x22
  38 #define CCW_CMD_WRITE_CONF   0x21
  39 #define CCW_CMD_WRITE_STATUS 0x31
  40 #define CCW_CMD_SET_IND      0x43
  41 #define CCW_CMD_SET_CONF_IND 0x53
  42 #define CCW_CMD_READ_VQ_CONF 0x32
  43 #define CCW_CMD_SET_IND_ADAPTER 0x73
  44
  45 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  46 #define VIRTIO_CCW_DEVICE(obj) \
  47      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  48 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  49      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  50 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  51      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  52
  53 typedef struct VirtioBusState VirtioCcwBusState;
  54 typedef struct VirtioBusClass VirtioCcwBusClass;
  55
  56 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  57 #define VIRTIO_CCW_BUS(obj) \
  58      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  59 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  60     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  61 #define VIRTIO_CCW_BUS_CLASS(klass) \
  62     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  63
  64 typedef struct VirtioCcwDevice VirtioCcwDevice;
  65
  66 typedef struct VirtIOCCWDeviceClass {
  67     DeviceClass parent_class;
  68     void (*realize)(VirtioCcwDevice *dev, Error **errp);
  69     int (*exit)(VirtioCcwDevice *dev);
  70 } VirtIOCCWDeviceClass;
  71
  72 /* Performance improves when virtqueue kick processing is decoupled from the
  73  * vcpu thread using ioeventfd for some devices. */
  74 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
  75 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
  76
  77 typedef struct IndAddr {
  78     hwaddr addr;
  79     uint64_t map;
  80     unsigned long refcnt;
  81     int len;
  82     QTAILQ_ENTRY(IndAddr) sibling;
  83 } IndAddr;
  84
  85 struct VirtioCcwDevice {
  86     DeviceState parent_obj;
  87     SubchDev *sch;
  88     char *bus_id;
  89     VirtioBusState bus;
  90     bool ioeventfd_started;
  91     bool ioeventfd_disabled;
  92     uint32_t flags;
  93     uint8_t thinint_isc;
  94     AdapterRoutes routes;
  95     /* Guest provided values: */
  96     IndAddr *indicators;
  97     IndAddr *indicators2;
  98     IndAddr *summary_indicator;
  99     uint64_t ind_bit;
 100 };
 101
 102 /* virtual css bus type */
 103 typedef struct VirtualCssBus {
 104     BusState parent_obj;
 105 } VirtualCssBus;
 106
 107 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
 108 #define VIRTUAL_CSS_BUS(obj) \
 109      OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
 110
 111 /* virtio-scsi-ccw */
 112
 113 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
 114 #define VIRTIO_SCSI_CCW(obj) \
 115         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
 116
 117 typedef struct VirtIOSCSICcw {
 118     VirtioCcwDevice parent_obj;
 119     VirtIOSCSI vdev;
 120 } VirtIOSCSICcw;
 121
 122 #ifdef CONFIG_VHOST_SCSI
 123 /* vhost-scsi-ccw */
 124
 125 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
 126 #define VHOST_SCSI_CCW(obj) \
 127         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
 128
 129 typedef struct VHostSCSICcw {
 130     VirtioCcwDevice parent_obj;
 131     VHostSCSI vdev;
 132 } VHostSCSICcw;
 133 #endif
 134
 135 /* virtio-blk-ccw */
 136
 137 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
 138 #define VIRTIO_BLK_CCW(obj) \
 139         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 140
 141 typedef struct VirtIOBlkCcw {
 142     VirtioCcwDevice parent_obj;
 143     VirtIOBlock vdev;
 144 } VirtIOBlkCcw;
 145
 146 /* virtio-balloon-ccw */
 147
 148 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
 149 #define VIRTIO_BALLOON_CCW(obj) \
 150         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
 151
 152 typedef struct VirtIOBalloonCcw {
 153     VirtioCcwDevice parent_obj;
 154     VirtIOBalloon vdev;
 155 } VirtIOBalloonCcw;
 156
 157 /* virtio-serial-ccw */
 158
 159 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
 160 #define VIRTIO_SERIAL_CCW(obj) \
 161         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
 162
 163 typedef struct VirtioSerialCcw {
 164     VirtioCcwDevice parent_obj;
 165     VirtIOSerial vdev;
 166 } VirtioSerialCcw;
 167
 168 /* virtio-net-ccw */
 169
 170 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
 171 #define VIRTIO_NET_CCW(obj) \
 172         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
 173
 174 typedef struct VirtIONetCcw {
 175     VirtioCcwDevice parent_obj;
 176     VirtIONet vdev;
 177 } VirtIONetCcw;
 178
 179 /* virtio-rng-ccw */
 180
 181 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
 182 #define VIRTIO_RNG_CCW(obj) \
 183         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
 184
 185 typedef struct VirtIORNGCcw {
 186     VirtioCcwDevice parent_obj;
 187     VirtIORNG vdev;
 188 } VirtIORNGCcw;
 189
 190 VirtualCssBus *virtual_css_bus_init(void);
 191 void virtio_ccw_device_update_status(SubchDev *sch);
 192 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 193
 194 #ifdef CONFIG_VIRTFS
 195 #include "hw/9pfs/virtio-9p.h"
 196
 197 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
 198 #define VIRTIO_9P_CCW(obj) \
 199     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
 200
 201 typedef struct V9fsCCWState {
 202     VirtioCcwDevice parent_obj;
 203     V9fsState vdev;
 204 } V9fsCCWState;
 205
 206 #endif /* CONFIG_VIRTFS */
 207
 208 #endif