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Message-ID: <160397373441.397.9363626143265340860.tip-bot2@tip-bot2>
Date:   Thu, 29 Oct 2020 12:15:34 -0000
From:   "tip-bot2 for David Woodhouse" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     David Woodhouse <dwmw@...zon.co.uk>,
        Thomas Gleixner <tglx@...utronix.de>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/apic] iommu/vt-d: Implement select() method on remapping irqdomain

The following commit has been merged into the x86/apic branch of tip:

Commit-ID:     a87fb465ffe8eacd0d69032da33455e4f6fd8b41
Gitweb:        https://git.kernel.org/tip/a87fb465ffe8eacd0d69032da33455e4f6fd8b41
Author:        David Woodhouse <dwmw@...zon.co.uk>
AuthorDate:    Sat, 24 Oct 2020 22:35:25 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 28 Oct 2020 20:26:27 +01:00

iommu/vt-d: Implement select() method on remapping irqdomain

Preparatory for removing irq_remapping_get_irq_domain()

Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-26-dwmw2@infradead.org

---
 drivers/iommu/intel/irq_remapping.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c
index 96c84b1..b3b079c 100644
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1431,7 +1431,20 @@ static void intel_irq_remapping_deactivate(struct irq_domain *domain,
 	modify_irte(&data->irq_2_iommu, &entry);
 }
 
+static int intel_irq_remapping_select(struct irq_domain *d,
+				      struct irq_fwspec *fwspec,
+				      enum irq_domain_bus_token bus_token)
+{
+	if (x86_fwspec_is_ioapic(fwspec))
+		return d == map_ioapic_to_ir(fwspec->param[0]);
+	else if (x86_fwspec_is_hpet(fwspec))
+		return d == map_hpet_to_ir(fwspec->param[0]);
+
+	return 0;
+}
+
 static const struct irq_domain_ops intel_ir_domain_ops = {
+	.select = intel_irq_remapping_select,
 	.alloc = intel_irq_remapping_alloc,
 	.free = intel_irq_remapping_free,
 	.activate = intel_irq_remapping_activate,

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