From: Lu Baolu <baolu.lu@linux.intel.com>
To: "Raj, Ashok" <ashok.raj@intel.com>
Cc: baolu.lu@linux.intel.com, Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
Alex Williamson <alex.williamson@redhat.com>,
sanjay.k.kumar@intel.com, jacob.jun.pan@linux.intel.com,
kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com,
iommu@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, Yi Sun <yi.y.sun@linux.intel.com>
Subject: Re: [RFC PATCH 2/4] iommu/vt-d: Add first level page table interfaces
Date: Tue, 24 Sep 2019 09:38:53 +0800 [thread overview]
Message-ID: <9cfe6042-f0fb-ea5e-e134-f6f5bb9eb7b0@linux.intel.com> (raw)
In-Reply-To: <20190923203102.GB21816@araj-mobl1.jf.intel.com>
Hi Ashok,
On 9/24/19 4:31 AM, Raj, Ashok wrote:
> On Mon, Sep 23, 2019 at 08:24:52PM +0800, Lu Baolu wrote:
>> This adds functions to manipulate first level page tables
>> which could be used by a scalale mode capable IOMMU unit.
>
> s/scalale/scalable
Yes.
>
>>
>> intel_mmmap_range(domain, addr, end, phys_addr, prot)
>
> Maybe think of a different name..? mmmap seems a bit weird :-)
Yes. I don't like it either. I've thought about it and haven't
figured out a satisfied one. Do you have any suggestions?
Best regards,
Baolu
>
>> - Map an iova range of [addr, end) to the physical memory
>> started at @phys_addr with the @prot permissions.
>>
>> intel_mmunmap_range(domain, addr, end)
>> - Tear down the map of an iova range [addr, end). A page
>> list will be returned which will be freed after iotlb
>> flushing.
>>
>> Cc: Ashok Raj <ashok.raj@intel.com>
>> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
>> Cc: Kevin Tian <kevin.tian@intel.com>
>> Cc: Liu Yi L <yi.l.liu@intel.com>
>> Cc: Yi Sun <yi.y.sun@linux.intel.com>
>> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
>
next prev parent reply other threads:[~2019-09-24 1:40 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-23 12:24 [RFC PATCH 0/4] Use 1st-level for DMA remapping in guest Lu Baolu
2019-09-23 12:24 ` [RFC PATCH 1/4] iommu/vt-d: Move domain_flush_cache helper into header Lu Baolu
2019-09-23 12:24 ` [RFC PATCH 2/4] iommu/vt-d: Add first level page table interfaces Lu Baolu
2019-09-23 20:31 ` Raj, Ashok
2019-09-24 1:38 ` Lu Baolu [this message]
2019-09-25 4:30 ` Peter Xu
2019-09-25 4:38 ` Tian, Kevin
2019-09-25 5:24 ` Peter Xu
2019-09-25 6:52 ` Lu Baolu
2019-09-25 7:32 ` Tian, Kevin
2019-09-25 8:35 ` Peter Xu
2019-09-26 1:42 ` Lu Baolu
2019-09-25 5:21 ` Peter Xu
2019-09-26 2:35 ` Lu Baolu
2019-09-26 3:49 ` Peter Xu
2019-09-27 2:27 ` Lu Baolu
2019-09-27 5:34 ` Peter Xu
2019-09-28 8:23 ` Lu Baolu
2019-09-29 5:25 ` Peter Xu
2019-10-08 2:20 ` Lu Baolu
2019-09-23 12:24 ` [RFC PATCH 3/4] iommu/vt-d: Map/unmap domain with mmmap/mmunmap Lu Baolu
2019-09-25 5:00 ` Tian, Kevin
2019-09-25 7:06 ` Lu Baolu
2019-09-23 12:24 ` [RFC PATCH 4/4] iommu/vt-d: Identify domains using first level page table Lu Baolu
2019-09-25 6:50 ` Peter Xu
2019-09-25 7:35 ` Tian, Kevin
2019-09-23 19:27 ` [RFC PATCH 0/4] Use 1st-level for DMA remapping in guest Jacob Pan
2019-09-23 20:25 ` Raj, Ashok
2019-09-24 4:40 ` Lu Baolu
2019-09-24 7:00 ` Tian, Kevin
2019-09-25 2:48 ` Lu Baolu
2019-09-25 6:56 ` Peter Xu
2019-09-25 7:21 ` Tian, Kevin
2019-09-25 7:45 ` Peter Xu
2019-09-25 8:02 ` Tian, Kevin
2019-09-25 8:52 ` Peter Xu
2019-09-26 1:37 ` Lu Baolu
2019-09-24 4:27 ` Lu Baolu
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