---
  drivers/irqchip/irq-gic-v3-its.c   | 18 ++++++++++++++++++
  include/linux/irqchip/arm-gic-v4.h |  5 +++++
  2 files changed, 23 insertions(+)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index a9753435c4ff..a2e824eae43f 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c

@@ -3969,6 +3969,23 @@ static int its_sgi_get_irqchip_state(struct irq_data *d,
  	return 0;
  }
  
+static int its_sgi_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
+{
+	struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
+	struct its_cmd_info *info = vcpu_info;
+
+	switch (info->cmd_type) {
+	case PROP_UPDATE_SGI:
+		vpe->sgi_config[d->hwirq].priority = info->priority;
+		vpe->sgi_config[d->hwirq].group = info->group;
+		its_configure_sgi(d, false);
+		return 0;
+
+	default:
+		return -EINVAL;
+	}
+}
+
  static struct irq_chip its_sgi_irq_chip = {
  	.name			= "GICv4.1-sgi",
  	.irq_mask		= its_sgi_mask_irq,

@@ -3976,6 +3993,7 @@ static struct irq_chip its_sgi_irq_chip = {
  	.irq_set_affinity	= its_sgi_set_affinity,
  	.irq_set_irqchip_state	= its_sgi_set_irqchip_state,
  	.irq_get_irqchip_state	= its_sgi_get_irqchip_state,
+	.irq_set_vcpu_affinity	= its_sgi_set_vcpu_affinity,
  };
  
  static int its_sgi_irq_domain_alloc(struct irq_domain *domain,

diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index 30b4855bf766..a1a9d40266f5 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h

@@ -98,6 +98,7 @@ enum its_vcpu_info_cmd_type {
  	SCHEDULE_VPE,
  	DESCHEDULE_VPE,
  	INVALL_VPE,
+	PROP_UPDATE_SGI,

  };
  
  struct its_cmd_info {

@@ -110,6 +111,10 @@ struct its_cmd_info {
  			bool		g0en;
  			bool		g1en;
  		};
+		struct {
+			u8		priority;
+			bool		group;
+		};
  	};
  };