lkml.org 
[lkml]   [2019]   [Dec]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 20/32] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks
Date
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(+)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 9ca2ad6000d8..c13c889553c5 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3809,6 +3809,22 @@ 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)
@@ -3818,6 +3834,8 @@ 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,
};

--
2.20.1
\
 
 \ /
  Last update: 2019-12-24 12:42    [W:0.207 / U:4.988 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site