linux-kernel - [patch V2 31/33] iommu/vt-d: Enable PCI/IMS

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Message-ID: <20221121091328.184455059@linutronix.de>
Date:   Mon, 21 Nov 2022 15:38:24 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>, linux-pci@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Ashok Raj <ashok.raj@...el.com>, Jon Mason <jdmason@...zu.us>,
        Allen Hubbe <allenbh@...il.com>
Subject: [patch V2 31/33] iommu/vt-d: Enable PCI/IMS

PCI/IMS works like PCI/MSI-X in the remapping. Just add the feature flag.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/iommu/intel/irq_remapping.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1429,7 +1429,9 @@ static const struct irq_domain_ops intel
 };
 
 static const struct msi_parent_ops dmar_msi_parent_ops = {
-	.supported_flags	= X86_VECTOR_MSI_FLAGS_SUPPORTED | MSI_FLAG_MULTI_PCI_MSI,
+	.supported_flags	= X86_VECTOR_MSI_FLAGS_SUPPORTED |
+				  MSI_FLAG_MULTI_PCI_MSI |
+				  MSI_FLAG_PCI_IMS,
 	.prefix			= "IR-",
 	.init_dev_msi_info	= msi_parent_init_dev_msi_info,
 };