PCI/MSI: Setup MSI domain on a per-device basis using IORT ACPI table

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It is possible to provide information about which MSI controller to
use on a per-device basis for DT. This patch supply this with ACPI support.

Currently, IORT is the only one ACPI table which can provide such mapping.
In order to plug IORT into MSI infrastructure we are adding ACPI
equivalents for finding PCI device domain and its RID translation
(pci_msi_domain_get_msi_rid and pci_msi_domain_get_msi_rid calls).

Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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Tomasz Nowicki 2016-09-12 20:32:22 +02:00 • committed by Marc Zyngier

parent 4bf2efd26d

commit be2021baee

1 changed files with 8 additions and 3 deletions

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drivers/pci/msi.c

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