linux-kernel - DMA Engine: Transfer From Userspace

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Message-ID: <5614531.lOV4Wx5bFT@harkonnen>
Date:   Sat, 20 Jun 2020 00:47:16 +0200
From:   Federico Vaga <federico.vaga@...n.ch>
To:     Vinod Koul <vkoul@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>
CC:     <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: DMA Engine: Transfer From Userspace

Hello,

is there the possibility of using a DMA engine channel from userspace?

Something like:
- configure DMA using ioctl() (or whatever configuration mechanism)
- read() or write() to trigger the transfer

-- 
Federico Vaga [CERN BE-CO-HT]