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arm/arm64: vgic: turn vgic_find_mmio_region into public

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We plan to use vgic_find_mmio_region in vgic-its.c so let's
turn it into a public function.

Also let's take the opportunity to rename the region parameter
into regions to emphasize this latter is an array of regions.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
This commit is contained in:
Eric Auger 2016-12-20 09:20:00 +01:00 committed by Christoffer Dall
parent 9ce91c7234
commit 4b7171ac56
2 changed files with 10 additions and 6 deletions
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11
virt/kvm/arm/vgic/vgic-mmio.c
View file

@ -446,13 +446,12 @@ static int match_region(const void *key, const void *elt)
return 0;
}
/* Find the proper register handler entry given a certain address offset. */
static const struct vgic_register_region *
vgic_find_mmio_region(const struct vgic_register_region *region, int nr_regions,
unsigned int offset)
const struct vgic_register_region *
vgic_find_mmio_region(const struct vgic_register_region *regions,
int nr_regions, unsigned int offset)
{
return bsearch((void *)(uintptr_t)offset, region, nr_regions,
sizeof(region[0]), match_region);
return bsearch((void *)(uintptr_t)offset, regions, nr_regions,
sizeof(regions[0]), match_region);
}
void vgic_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr)

5
virt/kvm/arm/vgic/vgic-mmio.h
View file

@ -192,4 +192,9 @@ u64 vgic_sanitise_shareability(u64 reg);
u64 vgic_sanitise_field(u64 reg, u64 field_mask, int field_shift,
u64 (*sanitise_fn)(u64));
/* Find the proper register handler entry given a certain address offset */
const struct vgic_register_region *
vgic_find_mmio_region(const struct vgic_register_region *regions,
int nr_regions, unsigned int offset);
#endif