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From: Joerg Roedel <joro@8bytes.org>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: iommu@lists.linux-foundation.org,
	LKML <linux-kernel@vger.kernel.org>,
	David Woodhouse <dwmw2@infradead.org>,
	"Liu, Yi L" <yi.l.liu@intel.com>,
	Lan Tianyu <tianyu.lan@intel.com>,
	"Tian, Kevin" <kevin.tian@intel.com>,
	Raj Ashok <ashok.raj@intel.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Jean Delvare <khali@linux-fr.org>,
	Liu@8bytes.org, Yi L <yi.l.liu@linux.intel.com>
Subject: Re: [PATCH 1/9] iommu: Introduce bind_pasid_table API function
Date: Wed, 28 Jun 2017 11:57:00 +0200	[thread overview]
Message-ID: <20170628095700.GE14532@8bytes.org> (raw)
In-Reply-To: <1498592883-56224-2-git-send-email-jacob.jun.pan@linux.intel.com>

On Tue, Jun 27, 2017 at 12:47:55PM -0700, Jacob Pan wrote:
> +int iommu_bind_pasid_table(struct iommu_domain *domain, struct device *dev,
> +			struct pasid_table_info *pasidt_binfo)
> +{
> +	if (unlikely(!domain->ops->bind_pasid_table))
> +		return -EINVAL;

I think its better to return -ENODEV here, like other iommu-api
functions do when a callback is NULL.

> +enum iommu_model {
> +	IOMMU_MODEL_INTEL_VTD,
> +	IOMMU_MODEL_ARM_SMMU,
> +};

AMD IOMMU also supports shared virtual memory.

Regards,

	Joerg

  reply	other threads:[~2017-06-28  9:57 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-27 19:47 [RFC 0/9] IOMMU driver support for shared virtual memory virtualization Jacob Pan
2017-06-27 19:47 ` [PATCH 1/9] iommu: Introduce bind_pasid_table API function Jacob Pan
2017-06-28  9:57   ` Joerg Roedel [this message]
2017-06-27 19:47 ` [PATCH 2/9] iommu/vt-d: add bind_pasid_table function Jacob Pan
2017-06-28 10:02   ` Joerg Roedel
2017-07-05  7:38   ` Tian, Kevin
2017-06-27 19:47 ` [PATCH 3/9] iommu: Introduce iommu do invalidate API function Jacob Pan
2017-06-28 10:08   ` Joerg Roedel
2017-06-28 16:09     ` Jacob Pan
2017-06-28 17:07       ` Jean-Philippe Brucker
2017-07-05  7:57         ` Tian, Kevin
2017-07-05 12:42           ` Jean-Philippe Brucker
2017-07-26  9:02           ` Joerg Roedel
2017-06-27 19:47 ` [PATCH 4/9] iommu/vt-d: Add iommu do invalidate function Jacob Pan
2017-06-27 19:47 ` [PATCH 5/9] iommu: Introduce fault notifier API Jacob Pan
2017-06-28 10:16   ` Joerg Roedel
2017-06-28 16:16     ` Jacob Pan
2017-06-27 19:48 ` [PATCH 6/9] iommu/vt-d: track device with pasid table bond to a guest Jacob Pan
2017-06-27 19:48 ` [PATCH 7/9] iommu/dmar: notify unrecoverable faults Jacob Pan
2017-06-27 19:48 ` [PATCH 8/9] iommu/intel-svm: notify page request to guest Jacob Pan
2017-06-27 19:48 ` [PATCH 9/9] iommu/intel-svm: replace dev ops with generic fault notifier Jacob Pan
2017-08-16  9:44 ` [RFC 0/9] IOMMU driver support for shared virtual memory virtualization Joerg Roedel
2017-08-16 15:14   ` Jacob Pan
2017-08-16 16:23     ` Joerg Roedel

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