linux-kernel - Q:uio_generic

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Message-ID: <CAJ2oMhKgiRci76mXdL3mAxxvY58O82tO6feUW91hxAvXNZBquw@mail.gmail.com>
Date:   Tue, 6 Feb 2018 12:59:55 +0200
From:   Ran Shalit <ranshalit@...il.com>
To:     linux-kernel@...r.kernel.org
Subject: Q:uio_generic_pci

Hello,

I would please like to ask about uio_generic_pci :

1. I have some misunderstanding as to how to set irq from userspace.
Is there anything similar to echo "3" >
/sys/bus/pci/drivers/uio_pci_generic/irq ?

In all documentation which talk about it, it is not mentioned (or I
don't find it):
https://github.com/rumpkernel/wiki/wiki/Howto:-Accessing-PCI-devices-from-userspace
http://www.hep.by/gnu/kernel/uio-howto/uio_pci_generic.html

2. Is there a way to use dma from userspace with this driver ?

Best Regards,
Ran