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 #define CCW_CMD_SET_VIRTIO_REV 0x83
  45
  46 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
  47 #define VIRTIO_CCW_DEVICE(obj) \
  48      OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
  49 #define VIRTIO_CCW_DEVICE_CLASS(klass) \
  50      OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
  51 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
  52      OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
  53
  54 typedef struct VirtioBusState VirtioCcwBusState;
  55 typedef struct VirtioBusClass VirtioCcwBusClass;
  56
  57 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
  58 #define VIRTIO_CCW_BUS(obj) \
  59      OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
  60 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \
  61     OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
  62 #define VIRTIO_CCW_BUS_CLASS(klass) \
  63     OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
  64
  65 typedef struct VirtioCcwDevice VirtioCcwDevice;
  66
  67 typedef struct VirtIOCCWDeviceClass {
  68     DeviceClass parent_class;
  69     void (*realize)(VirtioCcwDevice *dev, Error **errp);
  70     int (*exit)(VirtioCcwDevice *dev);
  71 } VirtIOCCWDeviceClass;
  72
  73 /* Performance improves when virtqueue kick processing is decoupled from the
  74  * vcpu thread using ioeventfd for some devices. */
  75 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
  76 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD   (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
  77
  78 typedef struct IndAddr {
  79     hwaddr addr;
  80     uint64_t map;
  81     unsigned long refcnt;
  82     int len;
  83     QTAILQ_ENTRY(IndAddr) sibling;
  84 } IndAddr;
  85
  86 struct VirtioCcwDevice {
  87     DeviceState parent_obj;
  88     SubchDev *sch;
  89     char *bus_id;
  90     int revision;
  91     uint32_t max_rev;
  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 /* The maximum virtio revision we support. */
 106 #define VIRTIO_CCW_MAX_REV 1
 107 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
 108 {
 109     return dev->max_rev;
 110 }
 111
 112 /* virtual css bus type */
 113 typedef struct VirtualCssBus {
 114     BusState parent_obj;
 115 } VirtualCssBus;
 116
 117 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
 118 #define VIRTUAL_CSS_BUS(obj) \
 119      OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
 120
 121 /* virtio-scsi-ccw */
 122
 123 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
 124 #define VIRTIO_SCSI_CCW(obj) \
 125         OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
 126
 127 typedef struct VirtIOSCSICcw {
 128     VirtioCcwDevice parent_obj;
 129     VirtIOSCSI vdev;
 130 } VirtIOSCSICcw;
 131
 132 #ifdef CONFIG_VHOST_SCSI
 133 /* vhost-scsi-ccw */
 134
 135 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
 136 #define VHOST_SCSI_CCW(obj) \
 137         OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
 138
 139 typedef struct VHostSCSICcw {
 140     VirtioCcwDevice parent_obj;
 141     VHostSCSI vdev;
 142 } VHostSCSICcw;
 143 #endif
 144
 145 /* virtio-blk-ccw */
 146
 147 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
 148 #define VIRTIO_BLK_CCW(obj) \
 149         OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
 150
 151 typedef struct VirtIOBlkCcw {
 152     VirtioCcwDevice parent_obj;
 153     VirtIOBlock vdev;
 154 } VirtIOBlkCcw;
 155
 156 /* virtio-balloon-ccw */
 157
 158 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
 159 #define VIRTIO_BALLOON_CCW(obj) \
 160         OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
 161
 162 typedef struct VirtIOBalloonCcw {
 163     VirtioCcwDevice parent_obj;
 164     VirtIOBalloon vdev;
 165 } VirtIOBalloonCcw;
 166
 167 /* virtio-serial-ccw */
 168
 169 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
 170 #define VIRTIO_SERIAL_CCW(obj) \
 171         OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
 172
 173 typedef struct VirtioSerialCcw {
 174     VirtioCcwDevice parent_obj;
 175     VirtIOSerial vdev;
 176 } VirtioSerialCcw;
 177
 178 /* virtio-net-ccw */
 179
 180 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
 181 #define VIRTIO_NET_CCW(obj) \
 182         OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
 183
 184 typedef struct VirtIONetCcw {
 185     VirtioCcwDevice parent_obj;
 186     VirtIONet vdev;
 187 } VirtIONetCcw;
 188
 189 /* virtio-rng-ccw */
 190
 191 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
 192 #define VIRTIO_RNG_CCW(obj) \
 193         OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
 194
 195 typedef struct VirtIORNGCcw {
 196     VirtioCcwDevice parent_obj;
 197     VirtIORNG vdev;
 198 } VirtIORNGCcw;
 199
 200 VirtualCssBus *virtual_css_bus_init(void);
 201 void virtio_ccw_device_update_status(SubchDev *sch);
 202 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
 203
 204 #ifdef CONFIG_VIRTFS
 205 #include "hw/9pfs/virtio-9p.h"
 206
 207 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
 208 #define VIRTIO_9P_CCW(obj) \
 209     OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
 210
 211 typedef struct V9fsCCWState {
 212     VirtioCcwDevice parent_obj;
 213     V9fsState vdev;
 214 } V9fsCCWState;
 215
 216 #endif /* CONFIG_VIRTFS */
 217
 218 #endif