A Raspberry Pi Linux kernel module that can do user virtual address to bus address translation along with kicking and waiting for DMA. Also can allocate kernel logical addresses and map them into user space to provide non-swappable memory.
A Raspberry Pi Linux kernel module that can do user virtual address to bus address translation along with kicking and waiting for DMA. Also can allocate kernel logical addresses and map them into user space to provide non-swappable memory.