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-rw-r--r--drivers/irqchip/irq-gic-v3-its.c18
-rw-r--r--include/linux/irqchip/arm-gic-v4.h5
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index c614f0c19807..aae53326d26f 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -4047,6 +4047,23 @@ out:
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_VSGI:
+ 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,
@@ -4054,6 +4071,7 @@ 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 44e8c19e3d56..1b34100e3536 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -103,6 +103,7 @@ enum its_vcpu_info_cmd_type {
SCHEDULE_VPE,
DESCHEDULE_VPE,
INVALL_VPE,
+ PROP_UPDATE_VSGI,
};
struct its_cmd_info {
@@ -115,6 +116,10 @@ struct its_cmd_info {
bool g0en;
bool g1en;
};
+ struct {
+ u8 priority;
+ bool group;
+ };
};
};