irqchip/gic-v4.1: Add mask/unmask doorbell callbacks

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masking/unmasking doorbells on GICv4.1 relies on a new INVDB command,
which broadcasts the invalidation to all RDs.

Implement the new command as well as the masking callbacks, and plug
the whole thing into the v4.1 VPE irqchip.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191224111055.11836-11-maz@kernel.org

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Marc Zyngier 2019-12-24 11:10:33 +00:00

parent 29c647f3b5

commit d97c97baa2

2 changed files with 75 additions and 1 deletions

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73

drivers/irqchip/irq-gic-v3-its.c

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3

include/linux/irqchip/arm-gic-v3.h

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