MMEM(4) Device Drivers Manual (dreamcast) MMEM(4)

mmem
Maple bus storage device driver

mmem* at maple? port ? subunit ?

The mmem driver provides support for Maple bus storage devices (memory cards).

The following ioctl(2) calls apply to Maple bus storage devices.
struct disklabel
Read, from the kernel, the disklabel(5) of the device.

In addition, Maple bus storage devices accept all ioctl(2) calls described in dreamcast/maple(4).

/dev/mmemu.tp
block mode Maple bus storage device unit u, PT number t (usually 0 only), partition p
/dev/rmmemu.tp
raw mode Maple bus storage device unit u, PT number t (usually 0 only), partition p

ioctl(2), dreamcast/maple(4), disklabel(5)

The mmem device driver appeared in NetBSD 2.0.
February 17, 2017 NetBSD 9.4