From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramalingam C Subject: [PATCH v15 11/16] misc/mei/hdcp: Repeater topology verification and ack Date: Thu, 21 Feb 2019 23:42:05 +0530 Message-ID: <1550772730-23280-12-git-send-email-ramalingam.c@intel.com> References: <1550772730-23280-1-git-send-email-ramalingam.c@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1550772730-23280-1-git-send-email-ramalingam.c@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, daniel.vetter@ffwll.ch, tomas.winkler@intel.com, uma.shankar@intel.com List-Id: dri-devel@lists.freedesktop.org UmVxdWVzdCBNRSB0byB2ZXJpZnkgdGhlIGRvd25zdHJlYW0gdG9wb2xvZ3kgaW5mb3JtYXRpb24g cmVjZWl2ZWQuCgpNRSBGVyB3aWxsIHZhbGlkYXRlIHRoZSBSZXBlYXRlcnMgcmVjZWl2ZXIgaWQg bGlzdCBhbmQKZG93bnN0cmVhbSB0b3BvbG9neS4KCk9uIFN1Y2Nlc3MgTUUgRlcgd2lsbCBwcm92 aWRlIHRoZSBMZWFzdCBTaWduaWZpY2FudAoxMjhiaXRzIG9mIFZQcmltZSwgd2hpY2ggZm9ybXMg dGhlIHJlcGVhdGVyIGFjay4KCnYyOiBSZWJhc2VkLgp2MzoKICBjbGRldiBpcyBwYXNzZWQgYXMg Zmlyc3QgcGFyYW1ldGVyIFtUb21hc10KICBSZWR1bmRhbnQgY29tbWVudHMgYW5kIGNhc3QgYXJl IHJlbW92ZWQgW1RvbWFzXQp2NDoKICAlemQgZm9yIHNzaXplX3QgW0FsZXhhbmRlcl0KICAlcy9y ZXR1cm4gLTEvcmV0dXJuIC1FSU8gW0FsZXhhbmRlcl0KICBTdHlsZSBhbmQgdHlwb3MgZml4ZWQg W1VtYV0KdjU6IFJlYmFzZWQuCnY2OiBSZWJhc2luZy4Kdjc6CiAgQWRqdXN0IHRvIHRoZSBuZXcg bWVpIGludGVyZmFjZS4KICBGaXggZm9yIEtkb2MuCnY4OgogIEstRG9jIGFkZGl0aW9uLiBbVG9t YXNdCnY5OgogIHJlbmFtZWQgZnVuYyBhcyBtZWlfaGRjcF8qIFtUb21hc10KICBJbmxpbmUgZnVu Y3Rpb24gaXMgZGVmaW5lZCBmb3IgRERJIGluZGV4IFtUb21hc10KdjEwOgogIEstRG9jIGZpeC4g W1RvbWFzXQp2MTE6CiAgUmViYXNlZC4KClNpZ25lZC1vZmYtYnk6IFJhbWFsaW5nYW0gQyA8cmFt YWxpbmdhbS5jQGludGVsLmNvbT4KUmV2aWV3ZWQtYnk6IFVtYSBTaGFua2FyIDx1bWEuc2hhbmth ckBpbnRlbC5jb20+CkFja2VkLWJ5OiBUb21hcyBXaW5rbGVyIDx0b21hcy53aW5rbGVyQGludGVs LmNvbT4KLS0tCiBkcml2ZXJzL21pc2MvbWVpL2hkY3AvbWVpX2hkY3AuYyB8IDc3ICsrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0KIDEgZmlsZSBjaGFuZ2VkLCA3NiBpbnNl cnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9taXNjL21laS9o ZGNwL21laV9oZGNwLmMgYi9kcml2ZXJzL21pc2MvbWVpL2hkY3AvbWVpX2hkY3AuYwppbmRleCA5 ZGMxNzY1NGZmYmMuLmU1NDFkMGQyOTBlMyAxMDA2NDQKLS0tIGEvZHJpdmVycy9taXNjL21laS9o ZGNwL21laV9oZGNwLmMKKysrIGIvZHJpdmVycy9taXNjL21laS9oZGNwL21laV9oZGNwLmMKQEAg LTQ2Niw2ICs0NjYsODAgQEAgc3RhdGljIGludCBtZWlfaGRjcF9nZXRfc2Vzc2lvbl9rZXkoc3Ry dWN0IGRldmljZSAqZGV2LAogCXJldHVybiAwOwogfQogCisvKioKKyAqIG1laV9oZGNwX3JlcGVh dGVyX2NoZWNrX2Zsb3dfcHJlcGFyZV9hY2soKSAtIFZhbGlkYXRlIHRoZSBEb3duc3RyZWFtIHRv cG9sb2d5CisgKiBhbmQgcHJlcGFyZSByZXBfYWNrLgorICogQGRldjogZGV2aWNlIGNvcnJlc3Bv bmRpbmcgdG8gdGhlIG1laV9jbF9kZXZpY2UKKyAqIEBkYXRhOiBJbnRlbCBIVyBzcGVjaWZpYyBo ZGNwIGRhdGEKKyAqIEByZXBfdG9wb2xvZ3k6IFJlY2VpdmVyIElEIExpc3QgdG8gYmUgdmFsaWRh dGVkCisgKiBAcmVwX3NlbmRfYWNrIDogcmVwZWF0ZXIgYWNrIGZyb20gTUUgRlcuCisgKgorICog UmV0dXJuOiAwIG9uIFN1Y2Nlc3MsIDwwIG9uIEZhaWx1cmUKKyAqLworc3RhdGljIGludAorbWVp X2hkY3BfcmVwZWF0ZXJfY2hlY2tfZmxvd19wcmVwYXJlX2FjayhzdHJ1Y3QgZGV2aWNlICpkZXYs CisJCQkJCSBzdHJ1Y3QgaGRjcF9wb3J0X2RhdGEgKmRhdGEsCisJCQkJCSBzdHJ1Y3QgaGRjcDJf cmVwX3NlbmRfcmVjZWl2ZXJpZF9saXN0CisJCQkJCQkJKnJlcF90b3BvbG9neSwKKwkJCQkJIHN0 cnVjdCBoZGNwMl9yZXBfc2VuZF9hY2sKKwkJCQkJCQkqcmVwX3NlbmRfYWNrKQoreworCXN0cnVj dCB3aXJlZF9jbWRfdmVyaWZ5X3JlcGVhdGVyX2luIHZlcmlmeV9yZXBlYXRlcl9pbiA9IHsgeyAw IH0gfTsKKwlzdHJ1Y3Qgd2lyZWRfY21kX3ZlcmlmeV9yZXBlYXRlcl9vdXQgdmVyaWZ5X3JlcGVh dGVyX291dCA9IHsgeyAwIH0gfTsKKwlzdHJ1Y3QgbWVpX2NsX2RldmljZSAqY2xkZXY7CisJc3Np emVfdCBieXRlOworCisJaWYgKCFkZXYgfHwgIXJlcF90b3BvbG9neSB8fCAhcmVwX3NlbmRfYWNr IHx8ICFkYXRhKQorCQlyZXR1cm4gLUVJTlZBTDsKKworCWNsZGV2ID0gdG9fbWVpX2NsX2Rldmlj ZShkZXYpOworCisJdmVyaWZ5X3JlcGVhdGVyX2luLmhlYWRlci5hcGlfdmVyc2lvbiA9IEhEQ1Bf QVBJX1ZFUlNJT047CisJdmVyaWZ5X3JlcGVhdGVyX2luLmhlYWRlci5jb21tYW5kX2lkID0gV0lS RURfVkVSSUZZX1JFUEVBVEVSOworCXZlcmlmeV9yZXBlYXRlcl9pbi5oZWFkZXIuc3RhdHVzID0g TUVfSERDUF9TVEFUVVNfU1VDQ0VTUzsKKwl2ZXJpZnlfcmVwZWF0ZXJfaW4uaGVhZGVyLmJ1ZmZl cl9sZW4gPQorCQkJCQlXSVJFRF9DTURfQlVGX0xFTl9WRVJJRllfUkVQRUFURVJfSU47CisKKwl2 ZXJpZnlfcmVwZWF0ZXJfaW4ucG9ydC5pbnRlZ3JhdGVkX3BvcnRfdHlwZSA9IGRhdGEtPnBvcnRf dHlwZTsKKwl2ZXJpZnlfcmVwZWF0ZXJfaW4ucG9ydC5waHlzaWNhbF9wb3J0ID0gbWVpX2dldF9k ZGlfaW5kZXgoZGF0YS0+cG9ydCk7CisKKwltZW1jcHkodmVyaWZ5X3JlcGVhdGVyX2luLnJ4X2lu Zm8sIHJlcF90b3BvbG9neS0+cnhfaW5mbywKKwkgICAgICAgSERDUF8yXzJfUlhJTkZPX0xFTik7 CisJbWVtY3B5KHZlcmlmeV9yZXBlYXRlcl9pbi5zZXFfbnVtX3YsIHJlcF90b3BvbG9neS0+c2Vx X251bV92LAorCSAgICAgICBIRENQXzJfMl9TRVFfTlVNX0xFTik7CisJbWVtY3B5KHZlcmlmeV9y ZXBlYXRlcl9pbi52X3ByaW1lLCByZXBfdG9wb2xvZ3ktPnZfcHJpbWUsCisJICAgICAgIEhEQ1Bf Ml8yX1ZfUFJJTUVfSEFMRl9MRU4pOworCW1lbWNweSh2ZXJpZnlfcmVwZWF0ZXJfaW4ucmVjZWl2 ZXJfaWRzLCByZXBfdG9wb2xvZ3ktPnJlY2VpdmVyX2lkcywKKwkgICAgICAgSERDUF8yXzJfUkVD RUlWRVJfSURTX01BWF9MRU4pOworCisJYnl0ZSA9IG1laV9jbGRldl9zZW5kKGNsZGV2LCAodTgg KikmdmVyaWZ5X3JlcGVhdGVyX2luLAorCQkJICAgICAgc2l6ZW9mKHZlcmlmeV9yZXBlYXRlcl9p bikpOworCWlmIChieXRlIDwgMCkgeworCQlkZXZfZGJnKGRldiwgIm1laV9jbGRldl9zZW5kIGZh aWxlZC4gJXpkXG4iLCBieXRlKTsKKwkJcmV0dXJuIGJ5dGU7CisJfQorCisJYnl0ZSA9IG1laV9j bGRldl9yZWN2KGNsZGV2LCAodTggKikmdmVyaWZ5X3JlcGVhdGVyX291dCwKKwkJCSAgICAgIHNp emVvZih2ZXJpZnlfcmVwZWF0ZXJfb3V0KSk7CisJaWYgKGJ5dGUgPCAwKSB7CisJCWRldl9kYmco ZGV2LCAibWVpX2NsZGV2X3JlY3YgZmFpbGVkLiAlemRcbiIsIGJ5dGUpOworCQlyZXR1cm4gYnl0 ZTsKKwl9CisKKwlpZiAodmVyaWZ5X3JlcGVhdGVyX291dC5oZWFkZXIuc3RhdHVzICE9IE1FX0hE Q1BfU1RBVFVTX1NVQ0NFU1MpIHsKKwkJZGV2X2RiZyhkZXYsICJNRSBjbWQgMHglMDhYIGZhaWxl ZC4gc3RhdHVzOiAweCVYXG4iLAorCQkJV0lSRURfVkVSSUZZX1JFUEVBVEVSLAorCQkJdmVyaWZ5 X3JlcGVhdGVyX291dC5oZWFkZXIuc3RhdHVzKTsKKwkJcmV0dXJuIC1FSU87CisJfQorCisJbWVt Y3B5KHJlcF9zZW5kX2Fjay0+diwgdmVyaWZ5X3JlcGVhdGVyX291dC52LAorCSAgICAgICBIRENQ XzJfMl9WX1BSSU1FX0hBTEZfTEVOKTsKKwlyZXBfc2VuZF9hY2stPm1zZ19pZCA9IEhEQ1BfMl8y X1JFUF9TRU5EX0FDSzsKKworCXJldHVybiAwOworfQorCiBzdGF0aWMgY29uc3QgX19hdHRyaWJ1 dGVfXygodW51c2VkKSkKIHN0cnVjdCBpOTE1X2hkY3BfY29tcG9uZW50X29wcyBtZWlfaGRjcF9v cHMgPSB7CiAJLm93bmVyID0gVEhJU19NT0RVTEUsCkBAIC00NzcsNyArNTUxLDggQEAgc3RydWN0 IGk5MTVfaGRjcF9jb21wb25lbnRfb3BzIG1laV9oZGNwX29wcyA9IHsKIAkuaW5pdGlhdGVfbG9j YWxpdHlfY2hlY2sgPSBtZWlfaGRjcF9pbml0aWF0ZV9sb2NhbGl0eV9jaGVjaywKIAkudmVyaWZ5 X2xwcmltZSA9IG1laV9oZGNwX3ZlcmlmeV9scHJpbWUsCiAJLmdldF9zZXNzaW9uX2tleSA9IG1l aV9oZGNwX2dldF9zZXNzaW9uX2tleSwKLQkucmVwZWF0ZXJfY2hlY2tfZmxvd19wcmVwYXJlX2Fj ayA9IE5VTEwsCisJLnJlcGVhdGVyX2NoZWNrX2Zsb3dfcHJlcGFyZV9hY2sgPQorCQkJCW1laV9o ZGNwX3JlcGVhdGVyX2NoZWNrX2Zsb3dfcHJlcGFyZV9hY2ssCiAJLnZlcmlmeV9tcHJpbWUgPSBO VUxMLAogCS5lbmFibGVfaGRjcF9hdXRoZW50aWNhdGlvbiA9IE5VTEwsCiAJLmNsb3NlX2hkY3Bf c2Vzc2lvbiA9IE5VTEwsCi0tIAoyLjcuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vZHJpLWRldmVs