From: Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>
To: Eric Auger <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
eric.auger.pro-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
robin.murphy-5wv7dgnIgG8@public.gmane.org,
alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
will.deacon-5wv7dgnIgG8@public.gmane.org,
joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: drjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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shankerd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
gpkulkarni-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v7 16/19] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP
Date: Tue, 10 Jan 2017 11:57:17 +0000 [thread overview]
Message-ID: <7eb4fde8-93fd-3046-a261-06c62a14c8da@arm.com> (raw)
In-Reply-To: <1483969570-3154-17-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Hi Eric,
On 09/01/17 13:46, Eric Auger wrote:
> 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-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> ---
> 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;
>
For patches 13 to 16, and provided that you address the couple of nits I
mentioned in reply to patches 13 and 15:
Reviewed-by: Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>
Thanks,
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2017-01-10 11:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-09 13:45 [PATCH v7 00/19] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Eric Auger
[not found] ` <1483969570-3154-1-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-09 13:45 ` [PATCH v7 01/19] iommu/dma: Implement PCI allocation optimisation Eric Auger
[not found] ` <1483969570-3154-2-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 15:41 ` Robin Murphy
2017-01-09 13:45 ` [PATCH v7 02/19] iommu/dma: Allow MSI-only cookies Eric Auger
2017-01-09 13:45 ` [PATCH v7 03/19] iommu: Rename iommu_dm_regions into iommu_resv_regions Eric Auger
2017-01-09 13:45 ` [PATCH v7 04/19] iommu: Add a new type field in iommu_resv_region Eric Auger
2017-01-09 13:45 ` [PATCH v7 05/19] iommu: iommu_alloc_resv_region Eric Auger
2017-01-09 13:45 ` [PATCH v7 06/19] iommu: Only map direct mapped regions Eric Auger
2017-01-09 13:45 ` [PATCH v7 07/19] iommu: iommu_get_group_resv_regions Eric Auger
2017-01-09 13:45 ` [PATCH v7 08/19] iommu: Implement reserved_regions iommu-group sysfs file Eric Auger
[not found] ` <1483969570-3154-9-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 16:20 ` Auger Eric
2017-01-10 17:14 ` Joerg Roedel
2017-01-10 21:21 ` Auger Eric
2017-01-09 13:46 ` [PATCH v7 09/19] iommu/vt-d: Implement reserved region get/put callbacks Eric Auger
2017-01-09 13:46 ` [PATCH v7 10/19] iommu/amd: Declare MSI and HT regions as reserved IOVA regions Eric Auger
2017-01-09 13:46 ` [PATCH v7 11/19] iommu/arm-smmu: Implement reserved region get/put callbacks Eric Auger
[not found] ` <1483969570-3154-12-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 14:16 ` Will Deacon
2017-01-09 13:46 ` [PATCH v7 12/19] iommu/arm-smmu-v3: " Eric Auger
[not found] ` <1483969570-3154-13-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 14:17 ` Will Deacon
2017-01-09 13:46 ` [PATCH v7 13/19] irqdomain: Add irq domain MSI and MSI_REMAP flags Eric Auger
[not found] ` <1483969570-3154-14-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 11:50 ` Marc Zyngier
2017-01-09 13:46 ` [PATCH v7 14/19] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI domain creation Eric Auger
2017-01-09 13:46 ` [PATCH v7 15/19] irqdomain: irq_domain_check_msi_remap Eric Auger
[not found] ` <1483969570-3154-16-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 11:54 ` Marc Zyngier
2017-01-09 13:46 ` [PATCH v7 16/19] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP Eric Auger
[not found] ` <1483969570-3154-17-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-10 11:57 ` Marc Zyngier [this message]
2017-01-09 13:46 ` [PATCH v7 17/19] vfio/type1: Allow transparent MSI IOVA allocation Eric Auger
2017-01-09 13:46 ` [PATCH v7 18/19] vfio/type1: Check MSI remapping at irq domain level Eric Auger
2017-01-09 13:46 ` [PATCH v7 19/19] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore Eric Auger
2017-01-10 14:17 ` Will Deacon
2017-01-10 14:09 ` [PATCH v7 00/19] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Joerg Roedel
[not found] ` <20170110140924.GC1318-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-01-10 14:15 ` Will Deacon
2017-01-10 15:58 ` Auger Eric
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