PCI: Add ACS quirk for Amazon Annapurna Labs root ports

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The Amazon's Annapurna Labs root ports don't advertise an ACS
capability, but they don't allow peer-to-peer transactions and do
validate bus numbers through the SMMU. Additionally, it's not possible
for one RP to pass traffic to another RP.

Signed-off-by: Ali Saidi <alisaidi@amazon.com>
Signed-off-by: Jonathan Chocron <jonnyc@amazon.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>

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Ali Saidi 2019-09-12 16:00:40 +03:00 • committed by Lorenzo Pieralisi

parent 4a36a60c34

commit 76e67e9e0f

1 changed files with 20 additions and 0 deletions

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drivers/pci/quirks.c

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