From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bhupinder Thakur Subject: [XEN VMID PATCH 2/2 v3] xen/arm: Add support for 16 bit VMIDs Date: Mon, 12 Dec 2016 12:56:38 +0530 Message-ID: <1481527598-15423-2-git-send-email-bhupinder.thakur@linaro.org> References: <1481527598-15423-1-git-send-email-bhupinder.thakur@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGL0b-0003o9-TU for xen-devel@lists.xenproject.org; Mon, 12 Dec 2016 07:26:50 +0000 Received: by mail-pf0-f178.google.com with SMTP id c4so11641806pfb.1 for ; Sun, 11 Dec 2016 23:26:48 -0800 (PST) In-Reply-To: <1481527598-15423-1-git-send-email-bhupinder.thakur@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Julien Grall , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org Vk1JRCBzcGFjZSBpcyBpbmNyZWFzZWQgdG8gMTYtYml0cyBmcm9tIDgtYml0cyBpbiBBUk12OCA4 LjEgcmV2aXNpb24uClRoaXMgYWxsb3dzIG1vcmUgdGhhbiAyNTYgVk1zIHRvIGJlIHN1cHBvcnRl ZCBieSBYZW4uCgpUaGlzIGNoYW5nZSBhZGRzIHN1cHBvcnQgZm9yIDE2LWJpdCBWTUlEcyBpbiBY ZW4gYmFzZWQgb24gd2hldGhlciB0aGUKYXJjaGl0ZWN0dXJlIHN1cHBvcnRzIGl0LgoKU2lnbmVk LW9mZi1ieTogQmh1cGluZGVyIFRoYWt1ciA8Ymh1cGluZGVyLnRoYWt1ckBsaW5hcm8ub3JnPgot LS0KIHhlbi9hcmNoL2FybS9wMm0uYyAgICAgICAgICAgICAgfCA1NiArKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrLS0tLS0tLQogeGVuL2luY2x1ZGUvYXNtLWFybS9wMm0uaCAgICAg ICB8ICAyICstCiB4ZW4vaW5jbHVkZS9hc20tYXJtL3Byb2Nlc3Nvci5oIHwgMTggKysrKysrKysr KysrLQogMyBmaWxlcyBjaGFuZ2VkLCA2NSBpbnNlcnRpb25zKCspLCAxMSBkZWxldGlvbnMoLSkK CmRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vcDJtLmMgYi94ZW4vYXJjaC9hcm0vcDJtLmMKaW5k ZXggZDE1NWMxZC4uMGM5ODYxNiAxMDA2NDQKLS0tIGEveGVuL2FyY2gvYXJtL3AybS5jCisrKyBi L3hlbi9hcmNoL2FybS9wMm0uYwpAQCAtNyw2ICs3LDcgQEAKICNpbmNsdWRlIDx4ZW4vdm1fZXZl bnQuaD4KICNpbmNsdWRlIDx4ZW4vbW9uaXRvci5oPgogI2luY2x1ZGUgPHhlbi9pb2NhcC5oPgor I2luY2x1ZGUgPHhlbi94bWFsbG9jLmg+CiAjaW5jbHVkZSA8cHVibGljL3ZtX2V2ZW50Lmg+CiAj aW5jbHVkZSA8YXNtL2ZsdXNodGxiLmg+CiAjaW5jbHVkZSA8YXNtL2dpYy5oPgpAQCAtMTQsMTUg KzE1LDIzIEBACiAjaW5jbHVkZSA8YXNtL2hhcmRpcnEuaD4KICNpbmNsdWRlIDxhc20vcGFnZS5o PgogCisjZGVmaW5lIE1BWF9WTUlEXzhfQklUICAoMVVMIDw8IDgpCisjZGVmaW5lIE1BWF9WTUlE XzE2X0JJVCAoMVVMIDw8IDE2KQorCisjZGVmaW5lIElOVkFMSURfVk1JRCAwIC8qIFZNSUQgMCBp cyByZXNlcnZlZCAqLworCiAjaWZkZWYgQ09ORklHX0FSTV82NAogc3RhdGljIHVuc2lnbmVkIGlu dCBfX3JlYWRfbW9zdGx5IHAybV9yb290X29yZGVyOwogc3RhdGljIHVuc2lnbmVkIGludCBfX3Jl YWRfbW9zdGx5IHAybV9yb290X2xldmVsOwogI2RlZmluZSBQMk1fUk9PVF9PUkRFUiAgICBwMm1f cm9vdF9vcmRlcgogI2RlZmluZSBQMk1fUk9PVF9MRVZFTCBwMm1fcm9vdF9sZXZlbAorc3RhdGlj IHVuc2lnbmVkIGludCBfX3JlYWRfbW9zdGx5IG1heF92bWlkID0gTUFYX1ZNSURfOF9CSVQ7Cisj ZGVmaW5lIE1BWF9WTUlEICAgICAgIG1heF92bWlkCiAjZWxzZQogLyogRmlyc3QgbGV2ZWwgUDJN IGlzIGFsd2F5IDIgY29uc2VjdXRpdmUgcGFnZXMgKi8KICNkZWZpbmUgUDJNX1JPT1RfTEVWRUwg MQogI2RlZmluZSBQMk1fUk9PVF9PUkRFUiAgICAxCisjZGVmaW5lIE1BWF9WTUlEICAgICAgICBN QVhfVk1JRF84X0JJVAogI2VuZGlmCiAKICNkZWZpbmUgUDJNX1JPT1RfUEFHRVMgICAgKDE8PFAy TV9ST09UX09SREVSKQpAQCAtMTIxOSw3ICsxMjI4LDcgQEAgc3RhdGljIGludCBwMm1fYWxsb2Nf dGFibGUoc3RydWN0IGRvbWFpbiAqZCkKIAogICAgIHAybS0+cm9vdCA9IHBhZ2U7CiAKLSAgICBw Mm0tPnZ0dGJyID0gcGFnZV90b19tYWRkcihwMm0tPnJvb3QpIHwgKCh1aW50NjRfdClwMm0tPnZt aWQgJiAweGZmKSA8PCA0ODsKKyAgICBwMm0tPnZ0dGJyID0gcGFnZV90b19tYWRkcihwMm0tPnJv b3QpIHwgKCh1aW50NjRfdClwMm0tPnZtaWQgPDwgNDgpOwogCiAgICAgLyoKICAgICAgKiBNYWtl IHN1cmUgdGhhdCBhbGwgVExCcyBjb3JyZXNwb25kaW5nIHRvIHRoZSBuZXcgVk1JRCBhcmUgZmx1 c2hlZApAQCAtMTIzMCwyMCArMTIzOSwzMiBAQCBzdGF0aWMgaW50IHAybV9hbGxvY190YWJsZShz dHJ1Y3QgZG9tYWluICpkKQogICAgIHJldHVybiAwOwogfQogCi0jZGVmaW5lIE1BWF9WTUlEIDI1 NgotI2RlZmluZSBJTlZBTElEX1ZNSUQgMCAvKiBWTUlEIDAgaXMgcmVzZXJ2ZWQgKi8KIAogc3Rh dGljIHNwaW5sb2NrX3Qgdm1pZF9hbGxvY19sb2NrID0gU1BJTl9MT0NLX1VOTE9DS0VEOwogCiAv KgotICogVlRUQlJfRUwyIFZNSUQgZmllbGQgaXMgOCBiaXRzLiBVc2luZyBhIGJpdG1hcCBoZXJl IGxpbWl0cyB1cyB0bwotICogMjU2IGNvbmN1cnJlbnQgZG9tYWlucy4KKyAqIFZUVEJSX0VMMiBW TUlEIGZpZWxkIGlzIDggb3IgMTYgYml0cy4gQWFyY2g2NCBzdXBwb3J0cyAxNi1iaXQgVk1JRC4g CisgKiBVc2luZyBhIGJpdG1hcCBoZXJlIGxpbWl0cyB1cyB0byAyNTYgb3IgNjU1MzYgKGZvciBB YXJjaDY0KSBjb25jdXJyZW50IAorICogZG9tYWlucy4gVGhlIGJpdG1hcCBzcGFjZSB3aWxsIGJl IGFsbG9jYXRlZCBkeW5hbWljYWxseSBiYXNlZCBvbiAKKyAqIHdoZXRoZXIgOCBvciAxNiBiaXQg Vk1JRHMgYXJlIHN1cHBvcnRlZC4KICAqLwotc3RhdGljIERFQ0xBUkVfQklUTUFQKHZtaWRfbWFz aywgTUFYX1ZNSUQpOworc3RhdGljIHVuc2lnbmVkIGxvbmcgKnZtaWRfbWFzazsKIAotdm9pZCBw Mm1fdm1pZF9hbGxvY2F0b3JfaW5pdCh2b2lkKQoraW50IHAybV92bWlkX2FsbG9jYXRvcl9pbml0 KHZvaWQpCiB7Ci0gICAgc2V0X2JpdChJTlZBTElEX1ZNSUQsIHZtaWRfbWFzayk7CisgICAgaW50 IHJldCA9IDA7CisKKyAgICAvKgorICAgICAqIGFsbG9jYXRlIHNwYWNlIGZvciB2bWlkX21hc2sg YmFzZWQgb24gTUFYX1ZNSUQKKyAgICAgKi8KKyAgICB2bWlkX21hc2sgPSB4emFsbG9jX2FycmF5 KHVuc2lnbmVkIGxvbmcsIEJJVFNfVE9fTE9OR1MoTUFYX1ZNSUQpKTsKKworICAgIGlmICggdm1p ZF9tYXNrICkKKyAgICAgICAgc2V0X2JpdChJTlZBTElEX1ZNSUQsIHZtaWRfbWFzayk7CisgICAg ZWxzZQorICAgICAgICByZXQgPSAtMTsKKworICAgIHJldHVybiByZXQ7CiB9CiAKIHN0YXRpYyBp bnQgcDJtX2FsbG9jX3ZtaWQoc3RydWN0IGRvbWFpbiAqZCkKQEAgLTE2MzIsMjAgKzE2NTMsMzYg QEAgdm9pZCBfX2luaXQgc2V0dXBfdmlydF9wYWdpbmcodm9pZCkKIAogICAgIHVuc2lnbmVkIGlu dCBjcHU7CiAgICAgdW5zaWduZWQgaW50IHBhX3JhbmdlID0gMHgxMDsgLyogTGFyZ2VyIHRoYW4g YW55IHBvc3NpYmxlIHZhbHVlICovCisgICAgdW5zaWduZWQgaW50IHZtaWRfOF9iaXRfZmxhZyA9 IDA7CiAKICAgICBmb3JfZWFjaF9vbmxpbmVfY3B1ICggY3B1ICkKICAgICB7CiAgICAgICAgIGNv bnN0IHN0cnVjdCBjcHVpbmZvX2FybSAqaW5mbyA9ICZjcHVfZGF0YVtjcHVdOwogICAgICAgICBp ZiAoIGluZm8tPm1tNjQucGFfcmFuZ2UgPCBwYV9yYW5nZSApCiAgICAgICAgICAgICBwYV9yYW5n ZSA9IGluZm8tPm1tNjQucGFfcmFuZ2U7CisKKyAgICAgICAgLyogc2V0IGEgZmxhZyBpZiB0aGUg Y3VycmVudCBjcHUgZG9lcyBub3Qgc3VwcG90IDE2IGJpdCBWTUlEcyAqLworICAgICAgICBpZiAo IGluZm8tPm1tNjQudm1pZF9iaXRzICE9IE1NNjRfVk1JRF8xNl9CSVRTX1NVUFBPUlQgKQorICAg ICAgICAgICAgdm1pZF84X2JpdF9mbGFnID0gMTsKICAgICB9CiAKKyAgICAvKiAKKyAgICAgKiBp ZiB0aGUgZmxhZyBpcyBub3Qgc2V0IHRoZW4gaXQgbWVhbnMgYWxsIENQVXMgc3VwcG9ydCAxNi1i aXQKKyAgICAgKiBWTUlEcy4KKyAgICAgKi8KKyAgICBpZiAoICF2bWlkXzhfYml0X2ZsYWcgKQor ICAgICAgICBtYXhfdm1pZCA9IE1BWF9WTUlEXzE2X0JJVDsKKwogICAgIC8qIHBhX3JhbmdlIGlz IDQgYml0cywgYnV0IHRoZSBkZWZpbmVkIGVuY29kaW5ncyBhcmUgb25seSAzIGJpdHMgKi8KICAg ICBpZiAoIHBhX3JhbmdlJjB4OCB8fCAhcGFfcmFuZ2VfaW5mb1twYV9yYW5nZV0ucGFiaXRzICkK ICAgICAgICAgcGFuaWMoIlVua25vd24gZW5jb2Rpbmcgb2YgSURfQUE2NE1NRlIwX0VMMS5QQVJh bmdlICV4XG4iLCBwYV9yYW5nZSk7CiAKICAgICB2YWwgfD0gVlRDUl9QUyhwYV9yYW5nZSk7CiAg ICAgdmFsIHw9IFZUQ1JfVEcwXzRLOworCisgICAgLyogc2V0IHRoZSBWUyBiaXQgb25seSBpZiAx NiBiaXQgVk1JRCBpcyBzdXBwb3J0ZWQgKi8KKyAgICBpZiAoIE1BWF9WTUlEID09IE1BWF9WTUlE XzE2X0JJVCApCisgICAgICAgIHZhbCB8PSBWVENSX1ZTOwogICAgIHZhbCB8PSBWVENSX1NMMChw YV9yYW5nZV9pbmZvW3BhX3JhbmdlXS5zbDApOwogICAgIHZhbCB8PSBWVENSX1QwU1oocGFfcmFu Z2VfaW5mb1twYV9yYW5nZV0udDBzeik7CiAKQEAgLTE2NjAsNyArMTY5Nyw4IEBAIHZvaWQgX19p bml0IHNldHVwX3ZpcnRfcGFnaW5nKHZvaWQpCiAgICAgcHJpbnRrKCJQMk06ICVkIGxldmVscyB3 aXRoIG9yZGVyLSVkIHJvb3QsIFZUQ1IgMHglbHhcbiIsCiAgICAgICAgICAgIDQgLSBQMk1fUk9P VF9MRVZFTCwgUDJNX1JPT1RfT1JERVIsIHZhbCk7CiAKLSAgICBwMm1fdm1pZF9hbGxvY2F0b3Jf aW5pdCgpOworICAgIGlmICggcDJtX3ZtaWRfYWxsb2NhdG9yX2luaXQoKSAhPSAwICkKKyAgICAg ICAgcGFuaWMoIkNvdWxkIG5vdCBhbGxvY2F0ZSBWTUlEIGJpdG1hcCBzcGFjZSIpOwogCiAgICAg LyogSXQgaXMgbm90IGFsbG93ZWQgdG8gY29uY2F0ZW5hdGUgYSBsZXZlbCB6ZXJvIHJvb3QgKi8K ICAgICBCVUdfT04oIFAyTV9ST09UX0xFVkVMID09IDAgJiYgUDJNX1JPT1RfT1JERVIgPiAwICk7 CmRpZmYgLS1naXQgYS94ZW4vaW5jbHVkZS9hc20tYXJtL3AybS5oIGIveGVuL2luY2x1ZGUvYXNt LWFybS9wMm0uaAppbmRleCAwOTg3YmUyLi45ZGU1NWZjIDEwMDY0NAotLS0gYS94ZW4vaW5jbHVk ZS9hc20tYXJtL3AybS5oCisrKyBiL3hlbi9pbmNsdWRlL2FzbS1hcm0vcDJtLmgKQEAgLTMwLDcg KzMwLDcgQEAgc3RydWN0IHAybV9kb21haW4gewogICAgIHN0cnVjdCBwYWdlX2luZm8gKnJvb3Q7 CiAKICAgICAvKiBDdXJyZW50IFZNSUQgaW4gdXNlICovCi0gICAgdWludDhfdCB2bWlkOworICAg IHVpbnQxNl90IHZtaWQ7CiAKICAgICAvKiBDdXJyZW50IFRyYW5zbGF0aW9uIFRhYmxlIEJhc2Ug UmVnaXN0ZXIgZm9yIHRoZSBwMm0gKi8KICAgICB1aW50NjRfdCB2dHRicjsKZGlmZiAtLWdpdCBh L3hlbi9pbmNsdWRlL2FzbS1hcm0vcHJvY2Vzc29yLmggYi94ZW4vaW5jbHVkZS9hc20tYXJtL3By b2Nlc3Nvci5oCmluZGV4IDE1YmY4OTAuLjQ4Y2U1OWIgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRl L2FzbS1hcm0vcHJvY2Vzc29yLmgKKysrIGIveGVuL2luY2x1ZGUvYXNtLWFybS9wcm9jZXNzb3Iu aApAQCAtMjE1LDYgKzIxNSw4IEBACiAKICNkZWZpbmUgVlRDUl9QUyh4KSAgICAgICgoeCk8PDE2 KQogCisjZGVmaW5lIFZUQ1JfVlMgICAgCSAgICAoX0FDKDB4MSxVTCk8PDE5KQorCiAjZW5kaWYK IAogI2RlZmluZSBWVENSX1JFUzEgICAgICAgKF9BQygxLFVMKTw8MzEpCkBAIC0yNjksNiArMjcx LDExIEBACiAvKiBGU1IgbG9uZyBmb3JtYXQgKi8KICNkZWZpbmUgRlNSTF9TVEFUVVNfREVCVUcg ICAgICAgKF9BQygweDIyLFVMKTw8MCkKIAorI2lmZGVmIENPTkZJR19BUk1fNjQKKyNkZWZpbmUg TU02NF9WTUlEXzhfQklUU19TVVBQT1JUICAgIDB4MAorI2RlZmluZSBNTTY0X1ZNSURfMTZfQklU U19TVVBQT1JUICAgMHgyCisjZW5kaWYKKwogI2lmbmRlZiBfX0FTU0VNQkxZX18KIAogc3RydWN0 IGNwdWluZm9fYXJtIHsKQEAgLTMzNyw3ICszNDQsMTYgQEAgc3RydWN0IGNwdWluZm9fYXJtIHsK ICAgICAgICAgICAgIHVuc2lnbmVkIGxvbmcgdGdyYW51bGVfNjRLOjQ7CiAgICAgICAgICAgICB1 bnNpZ25lZCBsb25nIHRncmFudWxlXzRLOjQ7CiAgICAgICAgICAgICB1bnNpZ25lZCBsb25nIF9f cmVzMDozMjsKLSAgICAgICB9OworCisgICAgICAgICAgICB1bnNpZ25lZCBsb25nIGhhZmRiczo0 OworICAgICAgICAgICAgdW5zaWduZWQgbG9uZyB2bWlkX2JpdHM6NDsKKyAgICAgICAgICAgIHVu c2lnbmVkIGxvbmcgdmg6NDsKKyAgICAgICAgICAgIHVuc2lnbmVkIGxvbmcgaHBkczo0OworICAg ICAgICAgICAgdW5zaWduZWQgbG9uZyBsbzo0OworICAgICAgICAgICAgdW5zaWduZWQgbG9uZyBw YW46NDsKKyAgICAgICAgICAgIHVuc2lnbmVkIGxvbmcgX19yZXMxOjg7CisgICAgICAgICAgICB1 bnNpZ25lZCBsb25nIF9fcmVzMjozMjsKKyAgICAgICAgfTsKICAgICB9IG1tNjQ7CiAKICAgICBz dHJ1Y3QgewotLSAKMi43LjQKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3Jn Cmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK