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

Marc Zyngier
2020-03-04T20:36:29Z

Add the SGI configuration entry point for KVM to use.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
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