PCI: Add ACS quirks for Cavium multi-function devices
authorGeorge Cherian <george.cherian@marvell.com>
Tue, 10 Aug 2021 12:24:25 +0000 (17:54 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Sep 2021 10:28:01 +0000 (12:28 +0200)
commite5609d3fd57d4ab53db3bbe291fff2b525abbce1
treedb8f95d7140fc2cf17bb73f6890dca9f8de1a165
parent365cdfcc6eba04124f22dc74e4355d307bd4fe05
PCI: Add ACS quirks for Cavium multi-function devices

[ Upstream commit 32837d8a8f63eb95dcb9cd005524a27f06478832 ]

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>
drivers/pci/quirks.c