menuconfig RT_USING_SCSI bool "Using Small Computer System Interface (SCSI)" depends on RT_USING_DM default n help Enable the SCSI mid-layer which translates block requests to SCSI command packets. Needed by AHCI, USB Mass Storage, and NVMe drivers that expose disks as SCSI devices. config RT_SCSI_SD bool "SD device on SCSI" depends on RT_USING_SCSI depends on RT_USING_BLK default y help Register disk-type SCSI devices (direct-access). Keep enabled unless you intentionally drop support for SCSI disks. config RT_SCSI_CDROM bool "CD-ROM device on SCSI" depends on RT_USING_SCSI depends on RT_USING_BLK default y help Provide SCSI CD-ROM device emulation (read-only block devices). Disable only if optical-style devices are never needed. if RT_USING_SCSI osource "$(SOC_DM_SCSI_DIR)/Kconfig" endif