hw/virtio-scsi.h

   1 /*
   2  * Virtio SCSI HBA
   3  *
   4  * Copyright IBM, Corp. 2010
   5  *
   6  * Authors:
   7  *  Stefan Hajnoczi    <stefanha@linux.vnet.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  12  */
  13
  14 #ifndef _QEMU_VIRTIO_SCSI_H
  15 #define _QEMU_VIRTIO_SCSI_H
  16
  17 #include "virtio.h"
  18 #include "net.h"
  19 #include "pci.h"
  20
  21 /* The ID for virtio_scsi */
  22 #define VIRTIO_ID_SCSI  8
  23
  24 struct VirtIOSCSIConf {
  25     uint32_t num_queues;
  26     uint32_t max_sectors;
  27     uint32_t cmd_per_lun;
  28 };
  29
  30 #define DEFINE_VIRTIO_SCSI_PROPERTIES(_state, _features_field, _conf_field) \
  31     DEFINE_VIRTIO_COMMON_FEATURES(_state, _features_field), \
  32     DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \
  33     DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF), \
  34     DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128)
  35
  36 #endif /* _QEMU_VIRTIO_SCSI_H */