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