[PATCH v8 15/16] arm64: enable GICv3-ITS emulation
From: andre.przywara@arm.com (Andre Przywara)
Date: 2016-11-04 17:32:02
Also in:
kvm, kvmarm
Subsystem:
the rest · Maintainer:
Linus Torvalds
With everything in place for the ITS emulation add a new option to the --irqchip parameter to allow the user to specify --irqchip=gicv3-its to enable the ITS emulation. This will trigger creating the FDT node and an ITS register frame to tell the kernel we want ITS emulation in the guest. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- arm/gic.c | 2 ++ arm/include/arm-common/kvm-config-arch.h | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arm/gic.c b/arm/gic.c
index c422e36..cd4f518 100644
--- a/arm/gic.c
+++ b/arm/gic.c@@ -43,6 +43,8 @@ int irqchip_parser(const struct option *opt, const char *arg, int unset) *type = IRQCHIP_GICV2; } else if (!strcmp(arg, "gicv3")) { *type = IRQCHIP_GICV3; + } else if (!strcmp(arg, "gicv3-its")) { + *type = IRQCHIP_GICV3_ITS; } else { pr_err("irqchip: unknown type \"%s\"\n", arg); return -1;
diff --git a/arm/include/arm-common/kvm-config-arch.h b/arm/include/arm-common/kvm-config-arch.h
index ed626b5..b48e720 100644
--- a/arm/include/arm-common/kvm-config-arch.h
+++ b/arm/include/arm-common/kvm-config-arch.h@@ -27,7 +27,7 @@ int irqchip_parser(const struct option *opt, const char *arg, int unset); "Force virtio devices to use PCI as their default " \ "transport"), \ OPT_CALLBACK('\0', "irqchip", &(cfg)->irqchip, \ - "[gicv2|gicv3]", \ + "[gicv2|gicv3|gicv3-its]", \ "Type of interrupt controller to emulate in the guest", \ irqchip_parser, NULL),
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2.9.0