 caffdac363
			
		
	
	
		caffdac363
		
	
	
	
	
		
			
			virtio-blk-pci, virtio-blk-s390, and virtio-blk-ccw all duplicate the qdev properties of their VirtIOBlock child. This approach does not work well with string or pointer properties since we must be careful about leaking or double-freeing them. Use the QOM alias property to forward property accesses to the VirtIOBlock child. This way no duplication is necessary. Remember to stop calling virtio_blk_set_conf() so that we don't clobber the values already set on the VirtIOBlock instance. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
		
			
				
	
	
		
			197 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			197 lines
		
	
	
		
			5.4 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>
 | |
| #include <hw/s390x/s390_flic.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;
 | |
|     uint64_t map;
 | |
|     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;
 | |
|     AdapterRoutes routes;
 | |
|     /* 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;
 | |
| } 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
 |