Re: Requirement to get BAR pci_bus_address in user space

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Subject: Re: Requirement to get BAR pci_bus_address in user space
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 14 Jun 2018 12:20:01 +0200
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Abhishek Shah <abhishek.shah@xxxxxxxxxxxx>, Vikram Prakash <vikram.prakash@xxxxxxxxxxxx>, linux-pci@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx
In-reply-to: <CABe79T41Cr0mjH_k2drzccHvObFwRcW3n+WKCj0JvFUBy0wz-A@mail.gmail.com>
References: <CABe79T41Cr0mjH_k2drzccHvObFwRcW3n+WKCj0JvFUBy0wz-A@mail.gmail.com>
User-agent: Mutt/1.5.17 (2007-11-01)

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.

Follow-Ups:
- Re: Requirement to get BAR pci_bus_address in user space
  - From: Srinath Mannam

References:
- Requirement to get BAR pci_bus_address in user space
  - From: Srinath Mannam

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