From: Jason Gunthorpe <jgg@nvidia.com>
To: Baolu Lu <baolu.lu@linux.intel.com>
Cc: Joerg Roedel <joro@8bytes.org>,
Christoph Hellwig <hch@infradead.org>,
Kevin Tian <kevin.tian@intel.com>,
Ashok Raj <ashok.raj@intel.com>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Jean-Philippe Brucker <jean-philippe@linaro.com>,
Dave Jiang <dave.jiang@intel.com>, Vinod Koul <vkoul@kernel.org>,
Eric Auger <eric.auger@redhat.com>, Liu Yi L <yi.l.liu@intel.com>,
Jacob jun Pan <jacob.jun.pan@intel.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Jean-Philippe Brucker <jean-philippe@linaro.org>
Subject: Re: [PATCH v7 03/10] iommu/sva: Add iommu_sva_domain support
Date: Wed, 25 May 2022 12:25:38 -0300 [thread overview]
Message-ID: <20220525152538.GD1343366@nvidia.com> (raw)
In-Reply-To: <3ce2f162-7b0c-391d-7978-d1703fbe9b79@linux.intel.com>
On Wed, May 25, 2022 at 01:19:08PM +0800, Baolu Lu wrote:
> Hi Jason,
>
> On 2022/5/24 21:44, Jason Gunthorpe wrote:
> > > diff --git a/drivers/iommu/iommu-sva-lib.c b/drivers/iommu/iommu-sva-lib.c
> > > index 106506143896..210c376f6043 100644
> > > +++ b/drivers/iommu/iommu-sva-lib.c
> > > @@ -69,3 +69,51 @@ struct mm_struct *iommu_sva_find(ioasid_t pasid)
> > > return ioasid_find(&iommu_sva_pasid, pasid, __mmget_not_zero);
> > > }
> > > EXPORT_SYMBOL_GPL(iommu_sva_find);
> > > +
> > > +/*
> > > + * IOMMU SVA driver-oriented interfaces
> > > + */
> > > +struct iommu_domain *
> > > +iommu_sva_alloc_domain(struct bus_type *bus, struct mm_struct *mm)
> > This should return the proper type
> >
>
> Can you please elaborate a bit on "return the proper type"? Did you mean
> return iommu_sva_domain instead? That's a wrapper of iommu_domain and
> only for iommu internal usage.
If you are exposing special SVA APIs then it is not internal usage
only anymore, so expose the type.
Jason
next prev parent reply other threads:[~2022-05-25 15:25 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-19 7:20 [PATCH v7 00/10] iommu: SVA and IOPF refactoring Lu Baolu
2022-05-19 7:20 ` [PATCH v7 01/10] iommu: Add pasids field in struct iommu_device Lu Baolu
2022-05-19 10:37 ` Jean-Philippe Brucker
2022-05-19 11:55 ` Baolu Lu
2022-05-24 9:24 ` Tian, Kevin
2022-05-25 2:03 ` Baolu Lu
2022-05-25 2:13 ` Baolu Lu
2022-05-19 7:20 ` [PATCH v7 02/10] iommu: Remove SVM_FLAG_SUPERVISOR_MODE support Lu Baolu
2022-05-19 16:22 ` Jean-Philippe Brucker
2022-05-24 9:27 ` Tian, Kevin
2022-05-19 7:20 ` [PATCH v7 03/10] iommu/sva: Add iommu_sva_domain support Lu Baolu
2022-05-19 16:33 ` Jean-Philippe Brucker
2022-05-20 4:55 ` Baolu Lu
2022-05-23 7:12 ` Baolu Lu
2022-05-24 9:44 ` Tian, Kevin
2022-05-25 2:18 ` Baolu Lu
2022-05-24 9:39 ` Tian, Kevin
2022-05-24 13:38 ` Jason Gunthorpe
2022-05-25 0:44 ` Tian, Kevin
2022-05-25 2:38 ` Baolu Lu
2022-05-25 4:50 ` Baolu Lu
2022-05-24 13:44 ` Jason Gunthorpe
2022-05-25 5:19 ` Baolu Lu
2022-05-25 15:25 ` Jason Gunthorpe [this message]
2022-05-26 1:03 ` Baolu Lu
2022-05-25 5:33 ` Baolu Lu
2022-05-24 14:36 ` Robin Murphy
2022-05-25 6:20 ` Baolu Lu
2022-05-25 10:07 ` Robin Murphy
2022-05-25 11:06 ` Jean-Philippe Brucker
2022-05-25 13:11 ` Baolu Lu
2022-05-19 7:20 ` [PATCH v7 04/10] iommu/vt-d: Add SVA domain support Lu Baolu
2022-05-19 7:20 ` [PATCH v7 05/10] arm-smmu-v3/sva: " Lu Baolu
2022-05-19 16:37 ` Jean-Philippe Brucker
2022-05-19 7:20 ` [PATCH v7 06/10] iommu/sva: Refactoring iommu_sva_bind/unbind_device() Lu Baolu
2022-05-19 16:39 ` Jean-Philippe Brucker
2022-05-20 6:38 ` Baolu Lu
2022-05-20 11:28 ` Jean-Philippe Brucker
2022-05-23 3:07 ` Baolu Lu
2022-05-24 10:22 ` Tian, Kevin
2022-05-24 10:57 ` Jean-Philippe Brucker
2022-05-25 2:04 ` Tian, Kevin
2022-05-25 7:29 ` Jean-Philippe Brucker
2022-06-02 6:46 ` Tian, Kevin
2022-05-19 7:20 ` [PATCH v7 07/10] iommu: Remove SVA related callbacks from iommu ops Lu Baolu
2022-05-24 10:23 ` Tian, Kevin
2022-05-19 7:20 ` [PATCH v7 08/10] iommu: Prepare IOMMU domain for IOPF Lu Baolu
2022-05-19 16:40 ` Jean-Philippe Brucker
2022-05-19 7:20 ` [PATCH v7 09/10] iommu: Per-domain I/O page fault handling Lu Baolu
2022-05-19 7:20 ` [PATCH v7 10/10] iommu: Rename iommu-sva-lib.{c,h} Lu Baolu
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