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[ Upstream commit 524e057b2d66b61f9b63b6db30467ab7b0bb4796 ] The Broadcom BCM5760X NIC may be a multi-function device. While it does not advertise an ACS capability, peer-to-peer transactions are not possible between the individual functions. So it is ok to treat them as fully isolated. Add an ACS quirk for this device so the functions can be in independent IOMMU groups and attached individually to userspace applications using VFIO. [kwilczynski: commit log] Link: https://lore.kernel.org/linux-pci/20240510204228.73435-1-ajit.khaparde@broadcom.com Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.