From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Goel, Sameer" Subject: Re: [PATCH] iommu/arm-smmu-v3: Set GBPA to abort all transactions Date: Wed, 11 Apr 2018 09:58:05 -0600 Message-ID: <3772fb2d-01b7-4820-6d13-a0263654dabc@codeaurora.org> References: <1522247980-31892-1-git-send-email-timur@codeaurora.org> <3350f0eb84c8c621cf43aa06ed117cfb@www.loen.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <3350f0eb84c8c621cf43aa06ed117cfb@www.loen.fr> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Marc Zyngier , Timur Tabi Cc: Joerg Roedel , Will Deacon , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, Robin Murphy , nwatters@codeaurora.org List-Id: iommu@lists.linux-foundation.org CgpPbiAzLzI4LzIwMTggOTowMCBBTSwgTWFyYyBaeW5naWVyIHdyb3RlOgo+IE9uIDIwMTgtMDMt MjggMTU6MzksIFRpbXVyIFRhYmkgd3JvdGU6Cj4+IEZyb206IFNhbWVlciBHb2VsIDxzZ29lbEBj b2RlYXVyb3JhLm9yZz4KPj4KPj4gU2V0IFNNTVVfR0JQQSB0byBhYm9ydCBhbGwgaW5jb21pbmcg dHJhbnNsYXRpb25zIGR1cmluZyB0aGUgU01NVSByZXNldAo+PiB3aGVuIFNNTVVFTj09MC4KPj4K Pj4gVGhpcyBwcmV2ZW50cyBhIHJhY2UgY29uZGl0aW9uIHdoZXJlIGEgc3RyYXkgRE1BIGZyb20g dGhlIGNyYXNoZWQgcHJpbWFyeQo+PiBrZXJuZWwgY2FuIHRyeSB0byBhY2Nlc3MgYW4gSU9WQSBh ZGRyZXNzIGFzIGFuIGludmFsaWQgUEEgd2hlbiBTTU1VIGlzCj4+IGRpc2FibGVkIGR1cmluZyBy ZXNldCBpbiB0aGUgY3Jhc2gga2VybmVsLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBTYW1lZXIgR29l bCA8c2dvZWxAY29kZWF1cm9yYS5vcmc+Cj4+IC0tLQo+PiDCoGRyaXZlcnMvaW9tbXUvYXJtLXNt bXUtdjMuYyB8IDEyICsrKysrKysrKysrKwo+PiDCoDEgZmlsZSBjaGFuZ2VkLCAxMiBpbnNlcnRp b25zKCspCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2lvbW11L2FybS1zbW11LXYzLmMgYi9k cml2ZXJzL2lvbW11L2FybS1zbW11LXYzLmMKPj4gaW5kZXggM2YyZjFmYzY4YjUyLi5jMDRhODkz MTBjNTkgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvaW9tbXUvYXJtLXNtbXUtdjMuYwo+PiArKysg Yi9kcml2ZXJzL2lvbW11L2FybS1zbW11LXYzLmMKPj4gQEAgLTI0NTgsNiArMjQ1OCwxOCBAQCBz dGF0aWMgaW50IGFybV9zbW11X2RldmljZV9yZXNldChzdHJ1Y3QKPj4gYXJtX3NtbXVfZGV2aWNl ICpzbW11LCBib29sIGJ5cGFzcykKPj4gwqDCoMKgwqAgaWYgKHJlZyAmIENSMF9TTU1VRU4pCj4+ IMKgwqDCoMKgwqDCoMKgwqAgZGV2X3dhcm4oc21tdS0+ZGV2LCAiU01NVSBjdXJyZW50bHkgZW5h YmxlZCEgUmVzZXR0aW5nLi4uXG4iKTsKPj4KPj4gK8KgwqDCoCAvKgo+PiArwqDCoMKgwqAgKiBB Ym9ydCBhbGwgaW5jb21pbmcgdHJhbnNsYXRpb25zLiBUaGlzIGNhbiBoYXBwZW4gaW4gYSBrZHVt cCBjYXNlCj4+ICvCoMKgwqDCoCAqIHdoZXJlIFNNTVUgaXMgaW5pdGlhbGl6ZWQgd2hlbiBhIHBy aW9yIERNQSBpcyBwZW5kaW5nLiBKdXN0Cj4+ICvCoMKgwqDCoCAqIGRpc2FibGluZyB0aGUgU01N VSBpbiB0aGlzIGNhc2UgbWlnaHQgcmVzdWx0IGluIHdyaXRlcyB0byBpbnZhbGlkCj4+ICvCoMKg wqDCoCAqIFBBcy4KPj4gK8KgwqDCoMKgICovCj4+ICvCoMKgwqAgcmV0ID0gYXJtX3NtbXVfdXBk YXRlX2dicGEoc21tdSwgMSwgR0JQQV9BQk9SVCk7Cj4+ICvCoMKgwqAgaWYgKHJldCkgewo+PiAr wqDCoMKgwqDCoMKgwqAgZGV2X2VycihzbW11LT5kZXYsICJHQlBBIG5vdCByZXNwb25kaW5nIHRv IHVwZGF0ZVxuIik7Cj4+ICvCoMKgwqDCoMKgwqDCoCByZXR1cm4gcmV0Owo+PiArwqDCoMKgIH0K Pj4gKwo+PiDCoMKgwqDCoCByZXQgPSBhcm1fc21tdV9kZXZpY2VfZGlzYWJsZShzbW11KTsKPj4g wqDCoMKgwqAgaWYgKHJldCkKPj4gwqDCoMKgwqDCoMKgwqDCoCByZXR1cm4gcmV0Owo+IAo+IEEg dGFuZ2VudGlhbCBxdWVzdGlvbjogY2FuIHdlIHJlbGlhYmx5IGRldGVjdCB0aGF0IHRoZSBTTU1V IGFscmVhZHkgaGFzIHZhbGlkIG1hcHBpbmdzLCB3aGljaCB3b3VsZCBpbmRpY2F0ZSB0aGF0IHdl J3JlIGluIGEgcHJldHR5IGJhZCBzaGFwZSBhbHJlYWR5IGJ5IHRoZSB0aW1lIHdlIHNldCB0aGF0 IGJpdD8gRm9yIGFsbCB3ZSBrbm93LCBtZW1vcnkgY291bGQgaGF2ZSBiZWVuIGNvcnJ1cHRlZCBs b25nIGJlZm9yZSB3ZSBoaXQgdGhpcyBwb2ludCwgYW5kIHRoaXMgcGF0Y2ggYmFyZWx5IG5hcnJv d3MgdGhlIHdpbmRvdyBvZiBvcHBvcnR1bml0eS4KOikgWWVzIHRoYXQgaXMgY29ycmVjdC4gVGhp cyBvbmx5IGNvdmVycyB0aGUga2R1bXAgc2NlbmFyaW8uIFRyeWluZyB0byBnZXQgc29tZSByZWxp YWJpbGl0eSB3aGVuIGJvb3RpbmcgdXAgdGhlIGNyYXNoIGtlcm5lbC4gVGhlIHN5c3RlbSBpcyBh bHJlYWR5IGluIGEgYmFkIHN0YXRlLiBJIGRvbid0IHRoaW5rIHRoYXQgdGhpcyB3aWxsIGhhcHBl biBpbiBhIG5vcm1hbCBzY2VuYXJpby4gQnV0IHBsZWFzZSBwb2ludCBtZSB0byB0aGUgR0lDdjMg Y2hhbmdlIGFuZCBJJ2xsIGhhdmUgYSBsb29rLgpUaGFua3MsClNhbWVlciAKPiAKPiBBdCB0aGUg dmVyeSBsZWFzdCwgd2Ugc2hvdWxkIGVtaXQgYSB3YXJuaW5nIGFuZCB0YWludCB0aGUga2VybmVs ICh3ZSd2ZSByZWNlbnRseSBhZGRlZCBzdWNoIG1lYXN1cmVzIHRvIHRoZSBHSUN2MyBkcml2ZXIp Lgo+IAo+IFRoYW5rcywKPiAKPiDCoMKgwqDCoMKgwqDCoCBNLgoKLS0gCiBRdWFsY29tbSBEYXRh Y2VudGVyIFRlY2hub2xvZ2llcyBhcyBhbiBhZmZpbGlhdGUgb2YgUXVhbGNvbW0gVGVjaG5vbG9n aWVzLCBJbmMuIFF1YWxjb21tIFRlY2hub2xvZ2llcywgSW5jLiBpcyBhIG1lbWJlciBvZiB0aGUg Q29kZSBBdXJvcmEgRm9ydW0sIGEgTGludXggRm91bmRhdGlvbiBDb2xsYWJvcmF0aXZlIFByb2pl Y3QuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==