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Message-Id: <1484127714-3263-16-git-send-email-eric.auger@redhat.com>
Date: Wed, 11 Jan 2017 09:41:51 +0000
From: Eric Auger <eric.auger@...hat.com>
To: eric.auger@...hat.com, eric.auger.pro@...il.com,
christoffer.dall@...aro.org, marc.zyngier@....com,
robin.murphy@....com, alex.williamson@...hat.com,
will.deacon@....com, joro@...tes.org, tglx@...utronix.de,
jason@...edaemon.net, linux-arm-kernel@...ts.infradead.org
Cc: kvm@...r.kernel.org, drjones@...hat.com,
linux-kernel@...r.kernel.org, pranav.sawargaonkar@...il.com,
iommu@...ts.linux-foundation.org, punit.agrawal@....com,
diana.craciun@....com, gpkulkarni@...il.com,
shankerd@...eaurora.org, bharat.bhushan@....com,
geethasowjanya.akula@...il.com
Subject: [PATCH v8 15/18] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP
The GICv3 ITS is MSI remapping capable. Let's advertise
this property so that VFIO passthrough can assess IRQ safety.
Signed-off-by: Eric Auger <eric.auger@...hat.com>
Reviewed-by: Marc Zyngier <marc.zyngier@....com>
---
v7 -> v8:
- added Marc's R-b
---
drivers/irqchip/irq-gic-v3-its.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 69b040f..9d4fefc 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1642,6 +1642,7 @@ static int its_init_domain(struct fwnode_handle *handle, struct its_node *its)
inner_domain->parent = its_parent;
inner_domain->bus_token = DOMAIN_BUS_NEXUS;
+ inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_REMAP;
info->ops = &its_msi_domain_ops;
info->data = its;
inner_domain->host_data = info;
--
1.9.1
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