linux-kernel - Re: Requirement to get BAR pci_bus

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Message-ID: <20180614102001.GA20836@lst.de>
Date:   Thu, 14 Jun 2018 12:20:01 +0200
From:   Christoph Hellwig <hch@....de>
To:     Srinath Mannam <srinath.mannam@...adcom.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Christoph Hellwig <hch@....de>,
        Abhishek Shah <abhishek.shah@...adcom.com>,
        Vikram Prakash <vikram.prakash@...adcom.com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org
Subject: Re: Requirement to get BAR pci_bus_address in user space

The only safe way to use PCI(e) devices in userspace is through vfio.
I think that is where you need to take your inquiries.