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From: Jason Gunthorpe <jgg@ziepe.ca>
To: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: kvmarm@lists.linux.dev, iommu@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org, linuxarm@huawei.com,
	kevin.tian@intel.com, alex.williamson@redhat.com, maz@kernel.org,
	oliver.upton@linux.dev, will@kernel.org, robin.murphy@arm.com,
	jean-philippe@linaro.org, jonathan.cameron@huawei.com
Subject: Re: [RFC PATCH v2 5/7] iommu: Pass in kvm pointer to domain_alloc_user
Date: Thu, 8 Feb 2024 11:43:43 -0400	[thread overview]
Message-ID: <20240208154343.GQ31743@ziepe.ca> (raw)
In-Reply-To: <20240208151837.35068-6-shameerali.kolothum.thodi@huawei.com>

On Thu, Feb 08, 2024 at 03:18:35PM +0000, Shameer Kolothum wrote:
> diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
> index 4283dd8191f0..75e0f4e9253a 100644
> --- a/drivers/iommu/amd/iommu.c
> +++ b/drivers/iommu/amd/iommu.c
> @@ -2244,6 +2244,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned int type)
>  static struct iommu_domain *
>  amd_iommu_domain_alloc_user(struct device *dev, u32 flags,
>  			    struct iommu_domain *parent,
> +			    struct kvm *kvm,
>  			    const struct iommu_user_data *user_data)

It would also be fine to stick this in iommu_user_data - since it is
fully optional to any driver. 

The other parameters are things the drivers must check and do
something with.

Jason

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  reply	other threads:[~2024-02-08 15:44 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-08 15:18 [RFC PATCH v2 0/7] iommu/arm-smmu-v3: Use pinned KVM VMID for stage 2 Shameer Kolothum
2024-02-08 15:18 ` [RFC PATCH v2 1/7] KVM: Add generic infrastructure to support pinned VMIDs Shameer Kolothum
2024-06-24 15:48   ` Sean Christopherson
2024-02-08 15:18 ` [RFC PATCH v2 2/7] KVM: arm64: Introduce support to pin VMIDs Shameer Kolothum
2024-06-24 19:22   ` Oliver Upton
2024-06-24 19:34     ` Shameerali Kolothum Thodi
2024-06-24 19:52       ` Oliver Upton
2024-02-08 15:18 ` [RFC PATCH v2 3/7] KVM: arm64: Add interfaces for pinned VMID support Shameer Kolothum
2024-02-08 15:18 ` [RFC PATCH v2 4/7] iommufd: Associate kvm pointer to iommufd ctx Shameer Kolothum
2024-02-08 15:42   ` Jason Gunthorpe
2024-06-24 16:53     ` Sean Christopherson
2024-06-24 17:07       ` Jason Gunthorpe
2024-06-24 17:54         ` Sean Christopherson
2024-06-24 18:01           ` Jason Gunthorpe
2024-06-24 19:12             ` Oliver Upton
2024-06-24 19:29               ` Sean Christopherson
2024-06-24 19:51                 ` Oliver Upton
2024-06-24 22:35                   ` Jason Gunthorpe
2024-06-25  2:21                 ` Tian, Kevin
2024-06-24 19:13           ` Shameerali Kolothum Thodi
2024-06-25  1:53     ` Tian, Kevin
2024-02-08 15:18 ` [RFC PATCH v2 5/7] iommu: Pass in kvm pointer to domain_alloc_user Shameer Kolothum
2024-02-08 15:43   ` Jason Gunthorpe [this message]
2024-02-08 15:18 ` [RFC PATCH v2 6/7] iommu/arm-smmu-v3: Use KVM VMID for s2 stage Shameer Kolothum
2024-02-08 15:59   ` Jason Gunthorpe
2024-02-08 16:14     ` Shameerali Kolothum Thodi
2024-02-08 16:26       ` Jason Gunthorpe
2024-02-08 16:36         ` Shameerali Kolothum Thodi
2024-02-08 15:18 ` [RFC PATCH v2 7/7] iommu/arm-smmu-v3: Enable broadcast TLB maintenance Shameer Kolothum
2024-02-08 15:35 ` [RFC PATCH v2 0/7] iommu/arm-smmu-v3: Use pinned KVM VMID for stage 2 Jason Gunthorpe
2024-02-08 15:49   ` Shameerali Kolothum Thodi
2024-02-08 16:07     ` Jason Gunthorpe
2024-02-09 11:58 ` Jean-Philippe Brucker
2024-02-09 12:48   ` Jason Gunthorpe
2024-02-09 13:54   ` Shameerali Kolothum Thodi

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