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 /* Change here if we want to support more feature bits. */
  72 #define VIRTIO_CCW_FEATURE_SIZE 1
  73
  74 /* Performance improves when virtqueue kick processing is decoupled from the
  75  * vcpu thread using ioeventfd for some devices. */
  76 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
  77 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
  78
  79 typedef struct IndAddr {
  80     hwaddr addr;
  81     uint64_t map;
  82     unsigned long refcnt;
  83     int len;
  84     QTAILQ_ENTRY(IndAddr) sibling;
  85 } IndAddr;
  86
  87 struct VirtioCcwDevice {
  88     DeviceState parent_obj;
  89     SubchDev *sch;
  90     char *bus_id;
  91     uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE];
  92     VirtioBusState bus;
  93     bool ioeventfd_started;
  94     bool ioeventfd_disabled;
  95     uint32_t flags;
  96     uint8_t thinint_isc;
  97     AdapterRoutes routes;
  98     /* Guest provided values: */
  99     IndAddr *indicators;
 100     IndAddr *indicators2;
 101     IndAddr *summary_indicator;
 102     uint64_t ind_bit;
 103 };
 104
 105 /* virtual css bus type */
 106 typedef struct VirtualCssBus {
 107     BusState parent_obj;
 108 } VirtualCssBus;
 109
 110 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
 111 #define VIRTUAL_CSS_BUS(obj) \
 112      OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
 113
 114 /* virtio-scsi-ccw */
 115
 116 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
 117 #define VIRTIO_SCSI_CCW(obj) \
 118         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
 119
 120 typedef struct VirtIOSCSICcw {
 121     VirtioCcwDevice parent_obj;
 122     VirtIOSCSI vdev;
 123 } VirtIOSCSICcw;
 124
 125 #ifdef CONFIG_VHOST_SCSI
 126 /* vhost-scsi-ccw */
 127
 128 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
 129 #define VHOST_SCSI_CCW(obj) \
 130         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
 131
 132 typedef struct VHostSCSICcw {
 133     VirtioCcwDevice parent_obj;
 134     VHostSCSI vdev;
 135 } VHostSCSICcw;
 136 #endif
 137
 138 /* virtio-blk-ccw */
 139
 140 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
 141 #define VIRTIO_BLK_CCW(obj) \
 142         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 143
 144 typedef struct VirtIOBlkCcw {
 145     VirtioCcwDevice parent_obj;
 146     VirtIOBlock vdev;
 147 } VirtIOBlkCcw;
 148
 149 /* virtio-balloon-ccw */
 150
 151 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
 152 #define VIRTIO_BALLOON_CCW(obj) \
 153         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
 154
 155 typedef struct VirtIOBalloonCcw {
 156     VirtioCcwDevice parent_obj;
 157     VirtIOBalloon vdev;
 158 } VirtIOBalloonCcw;
 159
 160 /* virtio-serial-ccw */
 161
 162 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
 163 #define VIRTIO_SERIAL_CCW(obj) \
 164         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
 165
 166 typedef struct VirtioSerialCcw {
 167     VirtioCcwDevice parent_obj;
 168     VirtIOSerial vdev;
 169 } VirtioSerialCcw;
 170
 171 /* virtio-net-ccw */
 172
 173 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
 174 #define VIRTIO_NET_CCW(obj) \
 175         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
 176
 177 typedef struct VirtIONetCcw {
 178     VirtioCcwDevice parent_obj;
 179     VirtIONet vdev;
 180 } VirtIONetCcw;
 181
 182 /* virtio-rng-ccw */
 183
 184 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
 185 #define VIRTIO_RNG_CCW(obj) \
 186         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
 187
 188 typedef struct VirtIORNGCcw {
 189     VirtioCcwDevice parent_obj;
 190     VirtIORNG vdev;
 191 } VirtIORNGCcw;
 192
 193 VirtualCssBus *virtual_css_bus_init(void);
 194 void virtio_ccw_device_update_status(SubchDev *sch);
 195 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 196 #endif