Make code using the same indicators point to a single allocated structure that is freed when the last user goes away. This will be used by the irqfd code to unmap addresses after the last user is gone. Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
196 lines
5.3 KiB
C
196 lines
5.3 KiB
C
/*
|
|
* virtio ccw target definitions
|
|
*
|
|
* Copyright 2012 IBM Corp.
|
|
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
|
* your option) any later version. See the COPYING file in the top-level
|
|
* directory.
|
|
*/
|
|
|
|
#ifndef HW_S390X_VIRTIO_CCW_H
|
|
#define HW_S390X_VIRTIO_CCW_H
|
|
|
|
#include <hw/virtio/virtio-blk.h>
|
|
#include <hw/virtio/virtio-net.h>
|
|
#include <hw/virtio/virtio-serial.h>
|
|
#include <hw/virtio/virtio-scsi.h>
|
|
#ifdef CONFIG_VHOST_SCSI
|
|
#include <hw/virtio/vhost-scsi.h>
|
|
#endif
|
|
#include <hw/virtio/virtio-balloon.h>
|
|
#include <hw/virtio/virtio-rng.h>
|
|
#include <hw/virtio/virtio-bus.h>
|
|
|
|
#define VIRTUAL_CSSID 0xfe
|
|
|
|
#define VIRTIO_CCW_CU_TYPE 0x3832
|
|
#define VIRTIO_CCW_CHPID_TYPE 0x32
|
|
|
|
#define CCW_CMD_SET_VQ 0x13
|
|
#define CCW_CMD_VDEV_RESET 0x33
|
|
#define CCW_CMD_READ_FEAT 0x12
|
|
#define CCW_CMD_WRITE_FEAT 0x11
|
|
#define CCW_CMD_READ_CONF 0x22
|
|
#define CCW_CMD_WRITE_CONF 0x21
|
|
#define CCW_CMD_WRITE_STATUS 0x31
|
|
#define CCW_CMD_SET_IND 0x43
|
|
#define CCW_CMD_SET_CONF_IND 0x53
|
|
#define CCW_CMD_READ_VQ_CONF 0x32
|
|
#define CCW_CMD_SET_IND_ADAPTER 0x73
|
|
|
|
#define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
|
|
#define VIRTIO_CCW_DEVICE(obj) \
|
|
OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
|
|
#define VIRTIO_CCW_DEVICE_CLASS(klass) \
|
|
OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
|
|
#define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
|
|
OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
|
|
|
|
typedef struct VirtioBusState VirtioCcwBusState;
|
|
typedef struct VirtioBusClass VirtioCcwBusClass;
|
|
|
|
#define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
|
|
#define VIRTIO_CCW_BUS(obj) \
|
|
OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
|
|
#define VIRTIO_CCW_BUS_GET_CLASS(obj) \
|
|
OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
|
|
#define VIRTIO_CCW_BUS_CLASS(klass) \
|
|
OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
|
|
|
|
typedef struct VirtioCcwDevice VirtioCcwDevice;
|
|
|
|
typedef struct VirtIOCCWDeviceClass {
|
|
DeviceClass parent_class;
|
|
int (*init)(VirtioCcwDevice *dev);
|
|
int (*exit)(VirtioCcwDevice *dev);
|
|
} VirtIOCCWDeviceClass;
|
|
|
|
/* Change here if we want to support more feature bits. */
|
|
#define VIRTIO_CCW_FEATURE_SIZE 1
|
|
|
|
/* Performance improves when virtqueue kick processing is decoupled from the
|
|
* vcpu thread using ioeventfd for some devices. */
|
|
#define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
|
|
#define VIRTIO_CCW_FLAG_USE_IOEVENTFD (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
|
|
|
|
typedef struct IndAddr {
|
|
hwaddr addr;
|
|
unsigned long refcnt;
|
|
int len;
|
|
QTAILQ_ENTRY(IndAddr) sibling;
|
|
} IndAddr;
|
|
|
|
struct VirtioCcwDevice {
|
|
DeviceState parent_obj;
|
|
SubchDev *sch;
|
|
char *bus_id;
|
|
uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE];
|
|
VirtioBusState bus;
|
|
bool ioeventfd_started;
|
|
bool ioeventfd_disabled;
|
|
uint32_t flags;
|
|
uint8_t thinint_isc;
|
|
uint32_t adapter_id;
|
|
/* Guest provided values: */
|
|
IndAddr *indicators;
|
|
IndAddr *indicators2;
|
|
IndAddr *summary_indicator;
|
|
uint64_t ind_bit;
|
|
};
|
|
|
|
/* virtual css bus type */
|
|
typedef struct VirtualCssBus {
|
|
BusState parent_obj;
|
|
} VirtualCssBus;
|
|
|
|
#define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
|
|
#define VIRTUAL_CSS_BUS(obj) \
|
|
OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
|
|
|
|
/* virtio-scsi-ccw */
|
|
|
|
#define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
|
|
#define VIRTIO_SCSI_CCW(obj) \
|
|
OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
|
|
|
|
typedef struct VirtIOSCSICcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VirtIOSCSI vdev;
|
|
} VirtIOSCSICcw;
|
|
|
|
#ifdef CONFIG_VHOST_SCSI
|
|
/* vhost-scsi-ccw */
|
|
|
|
#define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
|
|
#define VHOST_SCSI_CCW(obj) \
|
|
OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
|
|
|
|
typedef struct VHostSCSICcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VHostSCSI vdev;
|
|
} VHostSCSICcw;
|
|
#endif
|
|
|
|
/* virtio-blk-ccw */
|
|
|
|
#define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
|
|
#define VIRTIO_BLK_CCW(obj) \
|
|
OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
|
|
|
|
typedef struct VirtIOBlkCcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VirtIOBlock vdev;
|
|
VirtIOBlkConf blk;
|
|
} VirtIOBlkCcw;
|
|
|
|
/* virtio-balloon-ccw */
|
|
|
|
#define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
|
|
#define VIRTIO_BALLOON_CCW(obj) \
|
|
OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
|
|
|
|
typedef struct VirtIOBalloonCcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VirtIOBalloon vdev;
|
|
} VirtIOBalloonCcw;
|
|
|
|
/* virtio-serial-ccw */
|
|
|
|
#define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
|
|
#define VIRTIO_SERIAL_CCW(obj) \
|
|
OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
|
|
|
|
typedef struct VirtioSerialCcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VirtIOSerial vdev;
|
|
} VirtioSerialCcw;
|
|
|
|
/* virtio-net-ccw */
|
|
|
|
#define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
|
|
#define VIRTIO_NET_CCW(obj) \
|
|
OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
|
|
|
|
typedef struct VirtIONetCcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VirtIONet vdev;
|
|
} VirtIONetCcw;
|
|
|
|
/* virtio-rng-ccw */
|
|
|
|
#define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
|
|
#define VIRTIO_RNG_CCW(obj) \
|
|
OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
|
|
|
|
typedef struct VirtIORNGCcw {
|
|
VirtioCcwDevice parent_obj;
|
|
VirtIORNG vdev;
|
|
} VirtIORNGCcw;
|
|
|
|
VirtualCssBus *virtual_css_bus_init(void);
|
|
void virtio_ccw_device_update_status(SubchDev *sch);
|
|
VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
|
|
#endif
|