3ab1dfdd50
Create virtio-scsi which extends virtio-device, so it can be connected on virtio-bus. Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1363875320-7985-5-git-send-email-fred.konrad@greensocs.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* Virtio SCSI HBA
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*
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* Copyright IBM, Corp. 2010
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*
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* Authors:
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* Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef _QEMU_VIRTIO_SCSI_H
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#define _QEMU_VIRTIO_SCSI_H
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#include "hw/virtio.h"
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#include "hw/pci/pci.h"
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#include "hw/scsi.h"
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#define TYPE_VIRTIO_SCSI "virtio-scsi"
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#define VIRTIO_SCSI(obj) \
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OBJECT_CHECK(VirtIOSCSI, (obj), TYPE_VIRTIO_SCSI)
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/* The ID for virtio_scsi */
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#define VIRTIO_ID_SCSI 8
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/* Feature Bits */
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#define VIRTIO_SCSI_F_INOUT 0
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#define VIRTIO_SCSI_F_HOTPLUG 1
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#define VIRTIO_SCSI_F_CHANGE 2
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struct VirtIOSCSIConf {
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uint32_t num_queues;
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uint32_t max_sectors;
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uint32_t cmd_per_lun;
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};
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typedef struct VirtIOSCSI {
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VirtIODevice vdev;
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DeviceState *qdev;
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VirtIOSCSIConf conf;
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SCSIBus bus;
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uint32_t sense_size;
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uint32_t cdb_size;
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int resetting;
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bool events_dropped;
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VirtQueue *ctrl_vq;
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VirtQueue *event_vq;
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VirtQueue **cmd_vqs;
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} VirtIOSCSI;
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#define DEFINE_VIRTIO_SCSI_PROPERTIES(_state, _conf_field) \
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DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \
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DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF),\
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DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128)
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#define DEFINE_VIRTIO_SCSI_FEATURES(_state, _feature_field) \
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DEFINE_VIRTIO_COMMON_FEATURES(_state, _feature_field), \
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DEFINE_PROP_BIT("hotplug", _state, _feature_field, VIRTIO_SCSI_F_HOTPLUG, \
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true), \
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DEFINE_PROP_BIT("param_change", _state, _feature_field, \
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VIRTIO_SCSI_F_CHANGE, true)
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#endif /* _QEMU_VIRTIO_SCSI_H */
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