--- nono/vm/virtio_def.h	2026/04/29 17:05:24	1.1
+++ nono/vm/virtio_def.h	2026/04/29 17:05:42	1.1.1.3
@@ -51,8 +51,12 @@ class VirtIO
 
 	// DEVICE_ID
 	static const uint32 DEVICE_ID_INVALID	= 0;
-	static const uint32 DEVICE_ID_NET		= 1;
+	static const uint32 DEVICE_ID_NETWORK	= 1;
 	static const uint32 DEVICE_ID_BLOCK		= 2;
+	static const uint32 DEVICE_ID_CONSOLE	= 3;
+	static const uint32 DEVICE_ID_ENTROPY	= 4;
+	static const uint32 DEVICE_ID_BALLOON	= 5;
+	static const uint32 DEVICE_ID_SCSI		= 8;
 	static std::string DeviceIDStr(uint32);
 
 	// STATUS
@@ -111,6 +115,11 @@ static const uint VIRTIO_BLK_F_TOPOLOGY
 static const uint VIRTIO_BLK_F_CONFIG_WCE		= 11;
 static const uint VIRTIO_BLK_F_DISCARD			= 13;
 static const uint VIRTIO_BLK_F_WRITE_ZEROES		= 14;
+// FEATURES (SCSIDevice)
+static const uint VIRTIO_SCSI_F_INOUT			= 0;
+static const uint VIRTIO_SCSI_F_HOTPLUG			= 1;
+static const uint VIRTIO_SCSI_F_CHANGE			= 2;
+static const uint VIRTIO_SCSI_F_T10_PI			= 4;
 
 
 // こっちは仕様上の構造体定義。クラスのほうを使うこと。
@@ -158,7 +167,7 @@ struct virtq_used {
 static const uint16 VIRTQ_USED_F_NO_NOTIFY		= 1;
 
 
-// NetworkCard
+// NetworkDevice
 
 struct virtio_net_hdr {
 	u8 flags;
@@ -209,3 +218,56 @@ struct virtio_blk_discard_write_zeroes {
 	//} flags;
 	le32 flags;
 };
+
+// SCSIDevice
+
+struct virtio_scsi_req_cmd {
+	// Device-readable part
+	u8 lun[8];
+	le64 id;
+	u8 task_attr;
+	u8 prio;
+	u8 crn;
+	u8 cdb[0];	// [cdb_size]
+	// The next three fields are only present if VIRTIO_SCSI_F_T10_PI
+	// is negotiated.
+	//le32 pi_bytesout;
+	//le32 pi_bytesin;
+	//u8 pi_out[pi_bytesout];
+	u8 dataout[0];
+
+	// Device-writable part
+	le32 sense_len;
+	le32 residual;
+	le16 status_qualifier;
+	u8 status;
+	u8 response;
+	u8 sense[0];	// [sense_size]
+	// The next field is only present if VIRTIO_SCS_IF_T10_PI
+	// is negotiated.
+	//u8 pi_in[pi_bytesin];
+	u8 datain[0];
+};
+
+struct virtio_scsi_ctrl {
+	le32 type;
+	//
+	u8 response;
+};
+
+static const uint8 VIRTIO_SCSI_S_OK					= 0;
+static const uint8 VIRTIO_SCSI_S_OVERRUN			= 1;
+static const uint8 VIRTIO_SCSI_S_ABORTED			= 2;
+static const uint8 VIRTIO_SCSI_S_BAD_TARGET			= 3;
+static const uint8 VIRTIO_SCSI_S_RESET				= 4;
+static const uint8 VIRTIO_SCSI_S_BUSY				= 5;
+static const uint8 VIRTIO_SCSI_S_TRANSPORT_FAILURE	= 6;
+static const uint8 VIRTIO_SCSI_S_TARGET_FAILURE		= 7;
+static const uint8 VIRTIO_SCSI_S_NEXUS_FAILURE		= 8;
+static const uint8 VIRTIO_SCSI_S_FAILURE			= 9;
+static const uint8 VIRTIO_SCSI_S_INCORRECT_LUN		= 12;
+// task_attr
+static const uint8 VIRTIO_SCSI_S_SIMPLE				= 0;
+static const uint8 VIRTIO_SCSI_S_ORDERED			= 1;
+static const uint8 VIRTIO_SCSI_S_HEAD				= 2;
+static const uint8 VIRTIO_SCSI_S_ACA				= 3;