iommu/arm-smmu-v3: Maintain a SID->device structure

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When handling faults from the event or PRI queue, we need to find the
struct device associated with a SID. Add a rb_tree to keep track of
SIDs.

Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Keqian Zhu <zhukeqian1@huawei.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210401154718.307519-8-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Jean-Philippe Brucker 2021-04-01 17:47:16 +02:00 • committed by Joerg Roedel

parent fc36479db7

commit cdf315f907

2 changed files with 141 additions and 30 deletions

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158

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

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13

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h

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