From 4bdf502517288662d883fbaa915874790f51a2cd Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Sun, 25 Jun 2017 14:10:46 +0100 Subject: [PATCH] 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 --- drivers/irqchip/irq-gic-v3.c | 2 ++ include/linux/irqchip/arm-gic-common.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 65fabd5f2ec6..cc968eae6c36 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -1159,6 +1159,7 @@ static void __init gic_of_setup_kvm_info(struct device_node *node) if (!ret) gic_v3_kvm_info.vcpu = r; + gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis; gic_set_kvm_info(&gic_v3_kvm_info); } @@ -1452,6 +1453,7 @@ static void __init gic_acpi_setup_kvm_info(void) vcpu->end = vcpu->start + ACPI_GICV2_VCPU_MEM_SIZE - 1; } + gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis; gic_set_kvm_info(&gic_v3_kvm_info); } diff --git a/include/linux/irqchip/arm-gic-common.h b/include/linux/irqchip/arm-gic-common.h index c647b0547bcd..0a83b4379f34 100644 --- a/include/linux/irqchip/arm-gic-common.h +++ b/include/linux/irqchip/arm-gic-common.h @@ -27,6 +27,8 @@ struct gic_kvm_info { unsigned int maint_irq; /* Virtual control interface */ struct resource vctrl; + /* vlpi support */ + bool has_v4; }; const struct gic_kvm_info *gic_get_kvm_info(void); -- 2.20.1