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.
- Requirement to get BAR pci_bus_address in user space Srinath Mannam
- Re: Requirement to get BAR pci_bus_address in user ... Christoph Hellwig
- Re: Requirement to get BAR pci_bus_address in u... Srinath Mannam
- Re: Requirement to get BAR pci_bus_address ... okaya
- Re: Requirement to get BAR pci_bus_addr... Srinath Mannam
- Re: Requirement to get BAR pci_bus... Keith Busch
- Re: Requirement to get BAR pci_bus... Alex Williamson
- Re: Requirement to get BAR pci... Christoph Hellwig
- Re: Requirement to get BAR pci... Walker, Benjamin
- Re: Requirement to get BAR... Srinath Mannam