Subject: [PATCH v5 15/23] irqchip/gic-v4.1: Add VSGI property setup

From: Marc Zyngier <[email-masked]>
Date: Wed, 4 Mar 2020 20:33:22 +0000

Add the SGI configuration entry point for KVM to use.

Signed-off-by: Marc Zyngier <[email-masked]>
---
 drivers/irqchip/irq-gic-v3-its.c   |  2 +-
 drivers/irqchip/irq-gic-v4.c       | 13 +++++++++++++
 include/linux/irqchip/arm-gic-v4.h |  3 ++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index effb0e0b0c9d..b65fba67bd85 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -4039,7 +4039,7 @@ static int its_sgi_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
 	struct its_cmd_info *info = vcpu_info;
 
 	switch (info->cmd_type) {
-	case PROP_UPDATE_SGI:
+	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);
diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c
index 99b33f60ac63..0c18714ae13e 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 0bb111b4a504..6976b8331b60 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -105,7 +105,7 @@ enum its_vcpu_info_cmd_type {
 	SCHEDULE_VPE,
 	DESCHEDULE_VPE,
 	INVALL_VPE,
-	PROP_UPDATE_SGI,
+	PROP_UPDATE_VSGI,
 };
 
 struct its_cmd_info {
@@ -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,
-- 
2.20.1

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