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From:   Marc Zyngier <maz@kernel.org>
To:     linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu,
        kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Jason Cooper <jason@lakedaemon.net>,
        Robert Richter <rrichter@marvell.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Zenghui Yu <yuzenghui@huawei.com>,
        Eric Auger <eric.auger@redhat.com>,
        James Morse <james.morse@arm.com>,
        Julien Thierry <julien.thierry.kdev@gmail.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: [PATCH v5 10/23] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks
Date:   Wed,  4 Mar 2020 20:33:17 +0000
Message-Id: <20200304203330.4967-11-maz@kernel.org>
In-Reply-To: <20200304203330.4967-1-maz@kernel.org>
References: <20200304203330.4967-1-maz@kernel.org>
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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>
---
 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 e0db3f906f87..c93f178914ee 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3939,6 +3939,22 @@ 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)
@@ -3948,6 +3964,8 @@ 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