diff mbox series

[v4,07/20] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks

Message ID 20200214145736.18550-8-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series irqchip/gic-v4: GICv4.1 architecture support | expand

Commit Message

Marc Zyngier Feb. 14, 2020, 2:57 p.m. UTC 
Implement mask/unmask for virtual SGIs by calling into the
configuration helper.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 drivers/irqchip/irq-gic-v3-its.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Comments

Zenghui Yu Feb. 20, 2020, 3:32 a.m. UTC | #1 
Hi Marc,

On 2020/2/14 22:57, Marc Zyngier wrote:
> Implement mask/unmask for virtual SGIs by calling into the
> configuration helper.
> 
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
diff mbox series

Patch

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 229e4ae9c59b..1e448d9a16ea 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3892,6 +3892,22 @@  static void its_configure_sgi(struct irq_data *d, bool clear)
 	its_send_single_vcommand(find_4_1_its(), its_build_vsgi_cmd, &desc);
 }
 
+static void its_sgi_mask_irq(struct irq_data *d)
+{
+	struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
+
+	vpe->sgi_config[d->hwirq].enabled = false;
+	its_configure_sgi(d, false);
+}
+
+static void its_sgi_unmask_irq(struct irq_data *d)
+{
+	struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
+
+	vpe->sgi_config[d->hwirq].enabled = true;
+	its_configure_sgi(d, false);
+}
+
 static int its_sgi_set_affinity(struct irq_data *d,
 				const struct cpumask *mask_val,
 				bool force)
@@ -3901,6 +3917,8 @@  static int its_sgi_set_affinity(struct irq_data *d,
 
 static struct irq_chip its_sgi_irq_chip = {
 	.name			= "GICv4.1-sgi",
+	.irq_mask		= its_sgi_mask_irq,
+	.irq_unmask		= its_sgi_unmask_irq,
 	.irq_set_affinity	= its_sgi_set_affinity,
 };