From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [RFC v4 6/8] xen/iommu: smmu-v3: Add Xen specific code to enable the ported driver Date: Fri, 9 Feb 2018 18:11:06 +0000 Message-ID: <9ab1ce4f-16ec-9701-e270-ad11ba687547@arm.com> References: <20171219031703.23420-1-sameer.goel@linaro.org> <20171219031703.23420-7-sameer.goel@linaro.org> <9cafe32b-0c60-32d8-8912-dcf980699a80@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ekD8o-0003Jt-E1 for xen-devel@lists.xenproject.org; Fri, 09 Feb 2018 18:11:18 +0000 In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Sameer Goel , Julien Grall , xen-devel@lists.xenproject.org, mjaggi@caviumnetworks.com Cc: sstabellini@kernel.org, andre.przywara@linaro.org, shankerd@codeaurora.org List-Id: xen-devel@lists.xenproject.org SGksCgpJIGFtIHNsaWdodGx5IGNvbmZ1c2VkLiBJIHJlY2VpdmUgeW91ciBhbnN3ZXIgb24gdGhp cyBlLW1haWwgYWZ0ZXIgeW91IApyZXNlbmQgYSB2ZXJzaW9uLiBTbyB3ZXJlIHRoZSBjb21tZW50 cyBvbiBSRkMgdjQgd2FzIGFkZHJlc3NlZD8KCk9uIDAyLzA5LzIwMTggMDU6NTYgUE0sIFNhbWVl ciBHb2VsIHdyb3RlOgo+Pj4gIMKgIMKgwqDCoMKgwqAgLyogUmVxdWVzdCBpbnRlcnJ1cHQgbGlu ZXMgKi8KPj4+ICDCoMKgwqDCoMKgIGlycSA9IHNtbXUtPmV2dHEucS5pcnE7Cj4+PiBAQCAtMjMx Niw5ICsyNzgyLDEzIEBAIHN0YXRpYyBpbnQgYXJtX3NtbXVfc2V0dXBfaXJxcyhzdHJ1Y3QgYXJt X3NtbXVfZGV2aWNlICpzbW11KQo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoMKgICogQ2F2aXVtIFRo dW5kZXJYMiBpbXBsZW1lbnRhdGlvbiBkb2Vzbid0IG5vdCBzdXBwb3J0IHVuaXF1ZQo+Pj4gIMKg wqDCoMKgwqDCoMKgwqDCoMKgICogaXJxIGxpbmVzLiBVc2Ugc2luZ2xlIGlycSBsaW5lIGZvciBh bGwgdGhlIFNNTVV2MyBpbnRlcnJ1cHRzLgo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoMKgICovCj4+ PiAtwqDCoMKgwqDCoMKgwqAgcmV0ID0gZGV2bV9yZXF1ZXN0X3RocmVhZGVkX2lycShzbW11LT5k ZXYsIGlycSwKPj4+ICvCoMKgwqDCoMKgwqDCoCAvKgo+Pj4gK8KgwqDCoMKgwqDCoMKgwqAgKiBY ZW46IERvZXMgbm90IHN1cHBvcnQgdGhyZWFkZWQgaXJxcywgc28gc2VyaWFsaXNlIHRoZSBzZXR1 cC4KPj4+ICvCoMKgwqDCoMKgwqDCoMKgICogVGhpcyBpcyB0aGUgc2FtZSBmb3IgcHJpcyBhbmQg ZXZlbnQgaW50ZXJydXB0IGxpbmVzIG9uIG90aGVyCj4+PiArwqDCoMKgwqDCoMKgwqDCoCAqIHN5 c3RlbXMKPj4+ICvCoMKgwqDCoMKgwqDCoMKgICovCj4+Cj4+IEFib3ZlIHlvdSBkaWQgaW1wbGVt ZW50ZWQgYSBkdW1teSBpbXBsZW1lbnRhdGlvbiBvZiBkZXZtX3JlcXVlc3RfdGhyZWFkZWRfaXJx KC4uLikuIFNvIHdoeSBkaWQgeW91IHJlcGxhY2UgdGhlIGNvZGUgaGVyZT8KPiBUaGUgcmVwbGFj ZW1lbnQgd29ya2VkIHdlbGwgZm9yIG90aGVyIGZ1bmN0aW9ucywgd2hlcmUgdGhlIGhhbmRsZXIg d2FzIG5vdCBkZWZpbmVkLiBTbywgdGhlIHdyYXBwZXIgZnVuY3Rpb24gY2FsbHMgZGV2bV9yZXF1 ZXN0X2lycSB3aXRoIHRoZQo+IGFyZ3VtZW50IHBhc3NlZCBpbiBhcyB0aHJlYWQuIEluIHRoaXMg Y2FzZSByZWFsbHkgdGhlIGhhbmRsZXIgaGl0cyBmaXJzdCBhbmQgaXQgY2FsbHMgdGhlIHRocmVh ZCBpbiByZXNwb25zZS4gSSBjYW4gbW9kaWZ5IHRoZSBjb2RlIHRvIG1ha2UgdGhpcyBmaXQgaW50 byB0aGUgYXBpCj4gYnV0IGluIHRoYXQgY2FzZSBJIHdpbGwgbmVlZCB0byBzd2FwIGFyb3VuZCB0 aGUgZnVuY3Rpb25zIHNvIG51bWJlciBvZiBsaW5lIGNoYW5nZXMgd2lsbCBzdGF5IHRoZSBzYW1l LiBUZWxsIG1lIHlvdXIgcHJlZmVyZW5jZS4KCkkgZG9uJ3QgdW5kZXJzdGFuZCB3aGF0IHlvdSBt ZWFuIGhlcmUuIFdvdWxkIGl0IGJlIHBvc3NpYmxlIHRvIGdpdmUgYSAKY29uY3JldGUgZXhhbXBs ZT8KCj4+Cj4+PiArwqDCoMKgwqDCoMKgwqAgcmV0ID0gZGV2bV9yZXF1ZXN0X2lycShzbW11LT5k ZXYsIGlycSwKPj4+ICDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAg YXJtX3NtbXVfY29tYmluZWRfaXJxX2hhbmRsZXIsCj4+PiAtwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqAgYXJtX3NtbXVfY29tYmluZWRfaXJxX3RocmVhZCwKPj4+ICDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgSVJRRl9PTkVTSE9ULAo+Pj4g IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAiYXJtLXNtbXUtdjMt Y29tYmluZWQtaXJxIiwgc21tdSk7Cj4+PiAgwqDCoMKgwqDCoMKgwqDCoMKgIGlmIChyZXQgPCAw KQo+Pj4gQEAgLTI1NDIsOCArMzAxMiwxNCBAQCBzdGF0aWMgaW50IGFybV9zbW11X2RldmljZV9o d19wcm9iZShzdHJ1Y3QgYXJtX3NtbXVfZGV2aWNlICpzbW11KQo+Pj4gIMKgwqDCoMKgwqDCoMKg wqDCoCBzbW11LT5mZWF0dXJlcyB8PSBBUk1fU01NVV9GRUFUX1NUQUxMUzsKPj4+ICDCoMKgwqDC oMKgIH0KPj4+ICDCoCArLyoKPj4+ICsgKiBYZW46IEJsb2NrIHN0YWdlIDEgdHJhbnNsYXRpb25z LiBCeSBkb2luZyB0aGlzIGhlcmUgd2UgZG8gbm90IG5lZWQgdG8gc2V0IHRoZQo+Pj4gKyAqIGRv bWFpbi0+c3RhZ2UgZXhwbGljaXRseS4KPj4+ICsgKi8KPj4+ICsjaWYgMAo+Pj4gIMKgwqDCoMKg wqAgaWYgKHJlZyAmIElEUjBfUzFQKQo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoCBzbW11LT5mZWF0 dXJlcyB8PSBBUk1fU01NVV9GRUFUX1RSQU5TX1MxOwo+Pj4gKyNlbmRpZgo+Pj4gIMKgIMKgwqDC oMKgwqAgaWYgKHJlZyAmIElEUjBfUzJQKQo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoCBzbW11LT5m ZWF0dXJlcyB8PSBBUk1fU01NVV9GRUFUX1RSQU5TX1MyOwo+Pj4gQEAgLTI2MTYsMTAgKzMwOTIs MTIgQEAgc3RhdGljIGludCBhcm1fc21tdV9kZXZpY2VfaHdfcHJvYmUoc3RydWN0IGFybV9zbW11 X2RldmljZSAqc21tdSkKPj4+ICDCoMKgwqDCoMKgIGlmIChyZWcgJiBJRFI1X0dSQU40SykKPj4+ ICDCoMKgwqDCoMKgwqDCoMKgwqAgc21tdS0+cGdzaXplX2JpdG1hcCB8PSBTWl80SyB8IFNaXzJN IHwgU1pfMUc7Cj4+PiAgwqAgKyNpZiAwIC8qIFhlbjogU01NVSBvcHMgZG8gbm90IGhhdmUgYSBw Z3NpemVfYml0bWFwIG1lbWJlciBmb3IgWGVuICovCj4+PiAgwqDCoMKgwqDCoCBpZiAoYXJtX3Nt bXVfb3BzLnBnc2l6ZV9iaXRtYXAgPT0gLTFVTCkKPj4+ICDCoMKgwqDCoMKgwqDCoMKgwqAgYXJt X3NtbXVfb3BzLnBnc2l6ZV9iaXRtYXAgPSBzbW11LT5wZ3NpemVfYml0bWFwOwo+Pj4gIMKgwqDC oMKgwqAgZWxzZQo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoCBhcm1fc21tdV9vcHMucGdzaXplX2Jp dG1hcCB8PSBzbW11LT5wZ3NpemVfYml0bWFwOwo+Pj4gKyNlbmRpZgo+Pj4gIMKgIMKgwqDCoMKg wqAgLyogT3V0cHV0IGFkZHJlc3Mgc2l6ZSAqLwo+Pj4gIMKgwqDCoMKgwqAgc3dpdGNoIChyZWcg JiBJRFI1X09BU19NQVNLIDw8IElEUjVfT0FTX1NISUZUKSB7Cj4+PiBAQCAtMjY4MCw3ICszMTU4 LDggQEAgc3RhdGljIGludCBhcm1fc21tdV9kZXZpY2VfYWNwaV9wcm9iZShzdHJ1Y3QgcGxhdGZv cm1fZGV2aWNlICpwZGV2LAo+Pj4gIMKgwqDCoMKgwqAgc3RydWN0IGRldmljZSAqZGV2ID0gc21t dS0+ZGV2Owo+Pj4gIMKgwqDCoMKgwqAgc3RydWN0IGFjcGlfaW9ydF9ub2RlICpub2RlOwo+Pj4g IMKgIC3CoMKgwqAgbm9kZSA9ICooc3RydWN0IGFjcGlfaW9ydF9ub2RlICoqKWRldl9nZXRfcGxh dGRhdGEoZGV2KTsKPj4+ICvCoMKgwqAgLyogWGVuOiBNb2RpZmljYXRpb24gdG8gZ2V0IGlvcnRf bm9kZSAqLwo+Pj4gK8KgwqDCoCBub2RlID0gKHN0cnVjdCBhY3BpX2lvcnRfbm9kZSAqKWRldi0+ YWNwaV9ub2RlOwo+Pj4gIMKgIMKgwqDCoMKgwqAgLyogUmV0cmlldmUgU01NVXYzIHNwZWNpZmlj IGRhdGEgKi8KPj4+ICDCoMKgwqDCoMKgIGlvcnRfc21tdSA9IChzdHJ1Y3QgYWNwaV9pb3J0X3Nt bXVfdjMgKilub2RlLT5ub2RlX2RhdGE7Cj4+PiBAQCAtMjcwMyw3ICszMTgyLDcgQEAgc3RhdGlj IGlubGluZSBpbnQgYXJtX3NtbXVfZGV2aWNlX2FjcGlfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2Rl dmljZSAqcGRldiwKPj4+ICDCoCBzdGF0aWMgaW50IGFybV9zbW11X2RldmljZV9kdF9wcm9iZShz dHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2LAo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoCBzdHJ1Y3QgYXJtX3NtbXVfZGV2aWNlICpzbW11KQo+Pj4gIMKg IHsKPj4+IC3CoMKgwqAgc3RydWN0IGRldmljZSAqZGV2ID0gJnBkZXYtPmRldjsKPj4+ICvCoMKg wqAgc3RydWN0IGRldmljZSAqZGV2ID0gcGRldjsKPj4+ICDCoMKgwqDCoMKgIHUzMiBjZWxsczsK Pj4+ICDCoMKgwqDCoMKgIGludCByZXQgPSAtRUlOVkFMOwo+Pj4gIMKgIEBAIC0yNzE2LDYgKzMx OTUsNyBAQCBzdGF0aWMgaW50IGFybV9zbW11X2RldmljZV9kdF9wcm9iZShzdHJ1Y3QgcGxhdGZv cm1fZGV2aWNlICpwZGV2LAo+Pj4gIMKgIMKgwqDCoMKgwqAgcGFyc2VfZHJpdmVyX29wdGlvbnMo c21tdSk7Cj4+PiAgwqAgK8KgwqDCoCAvKiBYZW46IG9mX2RtYV9pc19jb2hlcmVudCBpcyBhIHN0 dWIgdGlsbCBkdCBzdXBwb3J0IGlzIGludHJvZHVjZWQgKi8KPj4KPj4gSSB0aGluayB0aGlzIGNv bW1lbnQgbWF0dGVycyBtb3JlIG9uIHRvcCBvZiB0aGUgc3R1Yi4gSSB3b3VsZCBhbHNvIGFkZCBh biBCVUcoKSBpbiB0aGUgc3R1YiB0byBjYXRjaCBpdC4KPiBJIGhhdmUganVzdCByZXR1cm5lZCBh IDAgaGVyZS4gUHV0dGluZyBhIEJVRyBpbiBtaWdodCBub3QgaGF2ZSB0aGUgZGVzaXJlZCBpbXBh Y3QsIHNpbmNlLCB0aGlzIHdpbGwgZXhlY3V0ZSBldmVyeSB0aW1lLgoKSG93IGFib3V0IGEgV0FS Tl9PTl9PTkNFIGluIHRoZSBpbXBsZW1lbnRhdGlvbj8KCkNoZWVycywKCi0tIApKdWxpZW4gR3Jh bGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8v bGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=