How to access DMA in Linux?

I believe you can write with DMA through I/O operations that you may access through a GNU C library . You must use system calls such as ioperm or iopl and run as root to gain access to DMA registers. At least thats how one gains access to IO space which may be used for DMA access.

Though I may not answer the question completely, hopefully this points you in a good direction.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.

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