[PATCH v2 31/36] irqchip/gic-v4.1: Add VSGI property setup

Marc Zyngier
2019-10-27T14:46:24Z

Add the SGI configuration entry point for KVM to use.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
drivers/irqchip/irq-gic-v4.c | 13 +++++++++++++
include/linux/irqchip/arm-gic-v4.h | 1 +
2 files changed, 14 insertions(+)

diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c
index a29a063861bc..b937e51a9178 100644
--- a/drivers/irqchip/irq-gic-v4.c
+++ b/drivers/irqchip/irq-gic-v4.c
@@ -324,6 +324,19 @@ int its_prop_update_vlpi(int irq, u8 config, bool inv)
return irq_set_vcpu_affinity(irq, &info);
}

+int its_prop_update_vsgi(int irq, u8 priority, bool group)
+{
+ struct its_cmd_info info = {
+ .cmd_type = PROP_UPDATE_SGI,
+ {
+ .priority = priority,
+ .group = group,
+ },
+ };
+
+ return irq_set_vcpu_affinity(irq, &info);
+}
+
int its_init_v4(struct irq_domain *domain,
const struct irq_domain_ops *vpe_ops,
const struct irq_domain_ops *sgi_ops)
diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index 5578cbe7430b..b894796df9ab 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -127,6 +127,7 @@ int its_map_vlpi(int irq, struct its_vlpi_map *map);
int its_get_vlpi(int irq, struct its_vlpi_map *map);
int its_unmap_vlpi(int irq);
int its_prop_update_vlpi(int irq, u8 config, bool inv);
+int its_prop_update_vsgi(int irq, u8 priority, bool group);

struct irq_domain_ops;
int its_init_v4(struct irq_domain *domain,