9b87e7a8bf
When migrating guests around we need to know the active priorities to ensure functional virtual interrupt prioritization by the GIC. This commit clarifies the API and how active priorities of interrupts in different groups are represented, and implements the accessor functions for the uaccess register range. We live with a slight layering violation in accessing GICv3 data structures from vgic-mmio-v2.c, because anything else just adds too much complexity for us to deal with (it's not like there's a benefit elsewhere in the code of an intermediate representation as is the case with the VMCR). We accept this, because while doing v3 processing from a file named something-v2.c can look strange at first, this really is specific to dealing with the user space interface for something that looks like a GICv2. Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org> |
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