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@xxxxxxx>
---
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 d1cffa5..187fe46 100644
--- a/arm/gic.c
+++ b/arm/gic.c
@@ -35,6 +35,8 @@ 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 f9c5942..6951ba6 100644
--- a/arm/include/arm-common/kvm-config-arch.h
+++ b/arm/include/arm-common/kvm-config-arch.h
@@ -26,7 +26,7 @@ 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),
--
2.3.5
--
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