ra8_io block-device fabric – one LBA vtable across every storage medium.
ra8_io caching block device – an LRU sector cache over any backend.
ra8_io block-device backend over the on-chip extra/data MRAM region.
ra8_io block-device backend over a caller-owned RAM buffer.
ra8_io block-device backend over the native SDHI SD-card controller.
ra8_io block-device backend over the external 64 MiB SDRAM window.
ra8_io block-device backend over the micro-SD-in-SPI-mode driver.
ra8_io block-device backend over a hosted USB mass-storage device.
ra8_io block-device backend over OSPI NOR flash via ra8_xspi.
ra8_io pluggable filesystem-format registry (probe + capabilities).
Redirect ra8_log output into an ra8_io stream.
ra8_io targetable byte-stream facade – one writer, many destinations.
ra8_io byte-stream sink that buffers into a raw block device.
ra8_io byte-stream sink over a caller-owned RAM buffer.
ra8_io byte-stream sink over a UART/SCI channel.
ra8_io byte-stream sink over a USB-CDC endpoint.
ra8_io virtual filesystem – mount many volumes, address them by name.