virtio-scsi: Add virtio-scsi stub device

Add a useless virtio SCSI HBA device:

  qemu -device virtio-scsi-pci

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/hw/virtio-scsi.h b/hw/virtio-scsi.h
new file mode 100644
index 0000000..4bc889d
--- /dev/null
+++ b/hw/virtio-scsi.h
@@ -0,0 +1,36 @@
+/*
+ * Virtio SCSI HBA
+ *
+ * Copyright IBM, Corp. 2010
+ *
+ * Authors:
+ *  Stefan Hajnoczi    <stefanha@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef _QEMU_VIRTIO_SCSI_H
+#define _QEMU_VIRTIO_SCSI_H
+
+#include "virtio.h"
+#include "net.h"
+#include "pci.h"
+
+/* The ID for virtio_scsi */
+#define VIRTIO_ID_SCSI  8
+
+struct VirtIOSCSIConf {
+    uint32_t num_queues;
+    uint32_t max_sectors;
+    uint32_t cmd_per_lun;
+};
+
+#define DEFINE_VIRTIO_SCSI_PROPERTIES(_state, _features_field, _conf_field) \
+    DEFINE_VIRTIO_COMMON_FEATURES(_state, _features_field), \
+    DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \
+    DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF), \
+    DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128)
+
+#endif /* _QEMU_VIRTIO_SCSI_H */