[tip: irq/core] irqchip/gic-v4.1: Add VSGI property setup

[tip-bot2 for Marc Zyngier]

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     d50676f5ce8481b98f9bbc1514b5d3f8747dd3c2
Gitweb:        https://git.kernel.org/tip/d50676f5ce8481b98f9bbc1514b5d3f8747dd3c2
Author:        Marc Zyngier <maz@xxxxxxxxxx>
AuthorDate:    Wed, 04 Mar 2020 20:33:22 
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Tue, 24 Mar 2020 12:15:51 

irqchip/gic-v4.1: Add VSGI property setup

Add the SGI configuration entry point for KVM to use.

Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Reviewed-by: Zenghui Yu <yuzenghui@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200304203330.4967-16-maz@xxxxxxxxxx
---
 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 99b33f6..0c18714 100644
--- a/drivers/irqchip/irq-gic-v4.c
+++ b/drivers/irqchip/irq-gic-v4.c
@@ -320,6 +320,19 @@ 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_VSGI,
+		{
+			.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 b120a01..6976b83 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -134,6 +134,7 @@ 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,