From: Lu Baolu <baolu.lu@linux.intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>,
iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>
Cc: baolu.lu@linux.intel.com, "Tian, Kevin" <kevin.tian@intel.com>,
Raj Ashok <ashok.raj@intel.com>, Yi Liu <yi.l.liu@intel.com>,
Eric Auger <eric.auger@redhat.com>
Subject: Re: [PATCH 01/10] iommu/vt-d: Introduce native SVM capable flag
Date: Mon, 18 Nov 2019 09:19:01 +0800 [thread overview]
Message-ID: <ef54afc0-0281-6160-7423-68356c413e84@linux.intel.com> (raw)
In-Reply-To: <1573859377-75924-2-git-send-email-jacob.jun.pan@linux.intel.com>
Hi,
On 11/16/19 7:09 AM, Jacob Pan wrote:
> Shared Virtual Memory(SVM) is based on a collective set of hardware
> features detected at runtime. There are requirements for matching CPU
> and IOMMU capabilities.
>
> This patch introduces a flag which will be used to mark and test the
> capability of SVM.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Best regards,
baolu
> ---
> include/linux/intel-iommu.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
> index ed11ef594378..63118991824c 100644
> --- a/include/linux/intel-iommu.h
> +++ b/include/linux/intel-iommu.h
> @@ -433,6 +433,7 @@ enum {
>
> #define VTD_FLAG_TRANS_PRE_ENABLED (1 << 0)
> #define VTD_FLAG_IRQ_REMAP_PRE_ENABLED (1 << 1)
> +#define VTD_FLAG_SVM_CAPABLE (1 << 2)
>
> extern int intel_iommu_sm;
>
>
next prev parent reply other threads:[~2019-11-18 1:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-15 23:09 [PATCH 00/10] VT-d Native Shared virtual memory cleanup and fixes Jacob Pan
2019-11-15 23:09 ` [PATCH 01/10] iommu/vt-d: Introduce native SVM capable flag Jacob Pan
2019-11-18 1:19 ` Lu Baolu [this message]
2019-11-15 23:09 ` [PATCH 02/10] iommu/vt-d: Fix CPU and IOMMU SVM feature matching checks Jacob Pan
2019-11-18 1:20 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 03/10] iommu/vt-d: Reject SVM bind for failed capability check Jacob Pan
2019-11-18 1:30 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 04/10] iommu/vt-d: Match CPU and IOMMU paging mode Jacob Pan
2019-11-18 1:31 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 05/10] iommu/vt-d: Avoid duplicated code for PASID setup Jacob Pan
2019-11-18 1:33 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 06/10] iommu/vt-d: Fix off-by-one in PASID allocation Jacob Pan
2019-11-18 1:34 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 07/10] iommu/vt-d: Replace Intel specific PASID allocator with IOASID Jacob Pan
2019-11-18 1:43 ` Lu Baolu
2019-11-18 18:50 ` Jacob Pan
2019-11-15 23:09 ` [PATCH 08/10] iommu/vt-d: Fix PASID cache flush Jacob Pan
2019-11-18 1:43 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 09/10] iommu/vt-d: Avoid sending invalid page response Jacob Pan
2019-11-18 1:54 ` Lu Baolu
2019-11-15 23:09 ` [PATCH 10/10] iommu/vt-d: Misc macro clean up for SVM Jacob Pan
2019-11-18 2:23 ` Lu Baolu
2019-11-18 18:36 ` Jacob Pan
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