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[ Upstream commit 32837d8a8f ]
Some Cavium endpoints are implemented as multi-function devices without ACS
capability, but they actually don't support peer-to-peer transactions.
Add ACS quirks to declare DMA isolation for the following devices:
- BGX device found on Octeon-TX (8xxx)
- CGX device found on Octeon-TX2 (9xxx)
- RPM device found on Octeon-TX3 (10xxx)
Link: https://lore.kernel.org/r/20210810122425.1115156-1-george.cherian@marvell.com
Signed-off-by: George Cherian <george.cherian@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.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.