kvm: arm64: vgic: Introduce vgic_check_iorange

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Add the new vgic_check_iorange helper that checks that an iorange is
sane: the start address and size have valid alignments, the range is
within the addressable PA range, start+size doesn't overflow, and the
start wasn't already defined.

No functional change.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Ricardo Koller <ricarkol@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211005011921.437353-2-ricarkol@google.com

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Ricardo Koller 2021-10-04 18:19:11 -07:00 • committed by Marc Zyngier

parent 9e1ff307c7

commit f25c5e4daf

2 changed files with 26 additions and 0 deletions

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22

arch/arm64/kvm/vgic/vgic-kvm-device.c

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4

arch/arm64/kvm/vgic/vgic.h

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