linux-kernel - [tip: irq/core] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks

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Message-ID: <158551356804.28353.15755655132659131079.tip-bot2@tip-bot2>
Date:   Sun, 29 Mar 2020 20:26:08 -0000
From:   "tip-bot2 for Marc Zyngier" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Marc Zyngier <maz@...nel.org>, Zenghui Yu <yuzenghui@...wei.com>,
        Eric Auger <eric.auger@...hat.com>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: irq/core] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     b4e8d644ec623cbb66f192a7fefbd0a66e314be8
Gitweb:        https://git.kernel.org/tip/b4e8d644ec623cbb66f192a7fefbd0a66e314be8
Author:        Marc Zyngier <maz@...nel.org>
AuthorDate:    Wed, 04 Mar 2020 20:33:17 
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Tue, 24 Mar 2020 12:05:09 

irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks

Implement mask/unmask for virtual SGIs by calling into the
configuration helper.

Signed-off-by: Marc Zyngier <maz@...nel.org>
Reviewed-by: Zenghui Yu <yuzenghui@...wei.com>
Reviewed-by: Eric Auger <eric.auger@...hat.com>
Link: https://lore.kernel.org/r/20200304203330.4967-11-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 28c856a..bc6666a 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3944,6 +3944,22 @@ 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)
@@ -3958,6 +3974,8 @@ 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,
 };