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d="scan'208";a="366170532" Received: from allen-box.sh.intel.com (HELO [10.239.159.28]) ([10.239.159.28]) by FMSMGA003.fm.intel.com with ESMTP; 11 Nov 2020 18:38:56 -0800 Subject: Re: [PATCH v6 5/5] vfio/type1: Use mdev bus iommu_ops for IOMMU callbacks To: Alex Williamson , "Tian, Kevin" References: <20201030045809.957927-1-baolu.lu@linux.intel.com> <20201030045809.957927-6-baolu.lu@linux.intel.com> <20201030150625.2dc5fb9b@w520.home> <5802fc4a-7dc0-eda7-4e7c-809bcec6bd90@linux.intel.com> From: Lu Baolu Message-ID: Date: Thu, 12 Nov 2020 10:31:55 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <5802fc4a-7dc0-eda7-4e7c-809bcec6bd90@linux.intel.com> Content-Language: en-US Cc: Jean-Philippe Brucker , "Jiang, Dave" , "Raj, Ashok" , "kvm@vger.kernel.org" , Cornelia Huck , "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" SGkgQWxleCwKCk9uIDExLzMvMjAgMToyMiBQTSwgTHUgQmFvbHUgd3JvdGU6Cj4gSGkgQWxleCwK PiAKPiBPbiAxMC8zMS8yMCA1OjA2IEFNLCBBbGV4IFdpbGxpYW1zb24gd3JvdGU6Cj4+IE9uIEZy aSwgMzAgT2N0IDIwMjAgMDY6MTY6MjggKzAwMDAKPj4gIlRpYW4sIEtldmluIiA8a2V2aW4udGlh bkBpbnRlbC5jb20+IHdyb3RlOgo+Pgo+Pj4+IEZyb206IEx1IEJhb2x1IDxiYW9sdS5sdUBsaW51 eC5pbnRlbC5jb20+Cj4+Pj4gU2VudDogRnJpZGF5LCBPY3RvYmVyIDMwLCAyMDIwIDEyOjU4IFBN Cj4+Pj4KPj4+PiBXaXRoIHRoZSBJT01NVSBkcml2ZXIgcmVnaXN0ZXJpbmcgaW9tbXVfb3BzIGZv ciB0aGUgbWRldl9idXMsIHRoZQo+Pj4+IElPTU1VCj4+Pj4gb3BlcmF0aW9ucyBvbiBhbiBtZGV2 IGNvdWxkIGJlIGRvbmUgaW4gdGhlIHNhbWUgd2F5IGFzIGFueSBub3JtYWwgCj4+Pj4gZGV2aWNl Cj4+Pj4gKGZvciBleGFtcGxlLCBQQ0kvUENJZSkuIFRoZXJlJ3Mgbm8gbmVlZCB0byBkaXN0aW5n dWlzaCBhbiBtZGV2IGZyb20KPj4+PiBvdGhlcnMgZm9yIGlvbW11IG9wZXJhdGlvbnMuIFJlbW92 ZSB0aGUgdW5uZWNlc3NhcnkgY29kZS4KPj4+Cj4+PiBUaGlzIGlzIHJlYWxseSBhIG5pY2UgY2xl YW51cCBhcyB0aGUgb3V0cHV0IG9mIHRoaXMgY2hhbmdlISA6KQo+Pgo+PiBJdCdzIGVhc3kgdG8g cmVtb3ZlIGEgYnVuY2ggb2YgY29kZSB3aGVuIHRoZSByZXN1bHQgaXMgYnJlYWtpbmcKPj4gZXZl cnlvbmUgZWxzZS7CoCBQbGVhc2Ugc2hhcmUgd2l0aCBtZSBob3cgU1ItSU9WIGJhY2tlZCBtZGV2 cyBjb250aW51ZQo+PiB0byB3b3JrIG9uIEFNRCBwbGF0Zm9ybXMsIG9yIGhvdyB0aGV5IG1pZ2h0 IHdvcmsgb24gQVJNIHBsYXRmb3Jtcywgd2hlbgo+PiBzaW92X2lvbW11X29wcyAoVlQtZCBvbmx5 KSBiZWNvbWVzIHRoZSBvbmUgYW5kIG9ubHkgcHJvdmlkZXIgb2YKPj4gaW9tbXVfb3BzIG9uIHRo ZSBtZGV2IGJ1cy7CoCBIYXJkIE5BSyBvbiB0aGlzIHNlcmllcy7CoCBUaGFua3MsCj4gCj4gSSBm b2N1c2VkIHRvbyBtdWNoIG9uIGEgZmVhdHVyZSBhbmQgZm9yZ290IGFib3V0IHVuaXZlcnNpdHku IEkgc2hvdWxkCj4gYXBvbG9naXplIGZvciB0aGlzLiBTb3JyeSBhYm91dCBpdCEKPiAKPiBCYWNr IHRvIHRoZSBvcmlnaW5hbCBpbnRlbnRpb24gb2YgdGhpcyBzZXJpZXMuIFRoZSBhdXggZG9tYWlu IHdhcwo+IGFsbG9jYXRlZCBpbiB2ZmlvL21kZXYsIGJ1dCBpdCdzIGFsc28gbmVlZGVkIGJ5IHRo ZSB2RENNIGNvbXBvbmVudCBvZiBhCj4gZGV2aWNlIGRyaXZlciBmb3IgbWVkaWF0ZWQgY2FsbGJh Y2tzLiBDdXJyZW50bHkgdmZpby9tZGV2IG9yIGlvbW11IGNvcmUKPiBoYXMgbm8gc3VwcG9ydCBm b3IgdGhpcy4KPiAKPiBXZSBoYWQgYSBwcm9wb3NhbCB3aGVuIHdlIGZpcnN0IGRpZCBhdXgtZG9t YWluIHN1cHBvcnQuIEJ1dCB3YXMgbm90Cj4gZGlzY3Vzc2VkIHNpbmNlIHRoZXJlIHdhcyBubyBj b25zdW1lciBhdCB0aGF0IHRpbWUuCj4gCj4gaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGludXgt aW9tbXUvMjAxODExMDUwNzM0MDguMjE4MTUtNy1iYW9sdS5sdUBsaW51eC5pbnRlbC5jb20vIAoK RXhwb3NpbmcgaW9tbXVfZG9tYWluIG91dHNpZGUgb2YgdGhlIHZmaW8vaW9tbXUgYWJzdHJhY3Qg c2VlbXMgbm90IGEKc2VjdXJlIGlkZWEuIEkgaGF2ZSBwb3N0ZWQgYSBuZXcgcHJvcG9zYWwuIENh biB5b3UgcGxlYXNlIGhlbHAgdG8KcmV2aWV3PwoKaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGlu dXgtaW9tbXUvMjAyMDExMTIwMjI0MDcuMjA2Mzg5Ni0xLWJhb2x1Lmx1QGxpbnV4LmludGVsLmNv bS8KCkJlc3QgcmVnYXJkcy4KYmFvbHUKCj4gCj4gCj4gRG9lcyBpdCBsb29rIGdvb2QgdG8geW91 PyBJIGNhbiBzZW5kIHBhdGNoZXMgb2Ygc3VjaCBzb2x1dGlvbiBmb3IKPiBkaXNjdXNzaW9uIGlm IHlvdSB0aGluayBpdCdzIGEgcmlnaHQgd2F5Lgo+IAo+IEV4dGVuZGluZyB0aGUgaW9tbXUgY29y ZSBmb3Igc3ViZGV2aWNlIHBhc3N0aHJvdWdoIHN1cHBvcnQgc291bmRzIGFuCj4gaW50ZXJlc3Rp bmcgdG9waWMsIGJ1dCBpdCB3aWxsIHRha2UgbXVjaCB0aW1lIGJlZm9yZSB3ZSByZWFjaCBhCj4g Y29uc2Vuc3VzLiBJdCBzb3VuZHMgYSBnb29kIHRvcGljIGZvciB0aGUgbmV4dCB5ZWFyJ3MgTFBD L01DIDotKS4KPiAKPiBCZXN0IHJlZ2FyZHMsCj4gYmFvbHUKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3Rz LmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2lvbW11