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irqchip/gic-v3: Advertise GICv4 support to KVM
As KVM needs to know about the availability of GICv4 to enable direct injection of interrupts, let's advertise the feature in the gic_kvm_info structure. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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2 changed files with 4 additions and 0 deletions
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@ -1159,6 +1159,7 @@ static void __init gic_of_setup_kvm_info(struct device_node *node)
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if (!ret)
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if (!ret)
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gic_v3_kvm_info.vcpu = r;
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gic_v3_kvm_info.vcpu = r;
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gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis;
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gic_set_kvm_info(&gic_v3_kvm_info);
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gic_set_kvm_info(&gic_v3_kvm_info);
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}
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}
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@ -1452,6 +1453,7 @@ static void __init gic_acpi_setup_kvm_info(void)
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vcpu->end = vcpu->start + ACPI_GICV2_VCPU_MEM_SIZE - 1;
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vcpu->end = vcpu->start + ACPI_GICV2_VCPU_MEM_SIZE - 1;
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}
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}
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gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis;
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gic_set_kvm_info(&gic_v3_kvm_info);
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gic_set_kvm_info(&gic_v3_kvm_info);
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}
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}
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@ -27,6 +27,8 @@ struct gic_kvm_info {
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unsigned int maint_irq;
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unsigned int maint_irq;
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/* Virtual control interface */
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/* Virtual control interface */
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struct resource vctrl;
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struct resource vctrl;
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/* vlpi support */
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bool has_v4;
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};
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};
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const struct gic_kvm_info *gic_get_kvm_info(void);
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const struct gic_kvm_info *gic_get_kvm_info(void);
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