From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bhupinder Thakur Subject: [XEN VMID RESEND v5 2/2] xen/arm: Add support for 16 bit VMIDs Date: Fri, 16 Dec 2016 12:46:28 +0530 Message-ID: <1481872588-10876-2-git-send-email-bhupinder.thakur@linaro.org> References: <1481872588-10876-1-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.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHmkz-0000Pq-QM for xen-devel@lists.xenproject.org; Fri, 16 Dec 2016 07:16:41 +0000 Received: by mail-pf0-f175.google.com with SMTP id d2so13118421pfd.0 for ; Thu, 15 Dec 2016 23:16:40 -0800 (PST) In-Reply-To: <1481872588-10876-1-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 LS0KIHhlbi9hcmNoL2FybS9wMm0uYyAgICAgICAgICAgICAgfCA1MiArKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrLS0tLS0tLQogeGVuL2luY2x1ZGUvYXNtLWFybS9wMm0uaCAgICAg ICB8ICAyICstCiB4ZW4vaW5jbHVkZS9hc20tYXJtL3Byb2Nlc3Nvci5oIHwgMTggKysrKysrKysr KysrKy0KIDMgZmlsZXMgY2hhbmdlZCwgNjIgaW5zZXJ0aW9ucygrKSwgMTAgZGVsZXRpb25zKC0p CgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3AybS5jIGIveGVuL2FyY2gvYXJtL3AybS5jCmlu ZGV4IDY5MzBmOGMuLjA5Y2ViMzcgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL2FybS9wMm0uYworKysg Yi94ZW4vYXJjaC9hcm0vcDJtLmMKQEAgLTcsNiArNyw3IEBACiAjaW5jbHVkZSA8eGVuL3ZtX2V2 ZW50Lmg+CiAjaW5jbHVkZSA8eGVuL21vbml0b3IuaD4KICNpbmNsdWRlIDx4ZW4vaW9jYXAuaD4K KyNpbmNsdWRlIDx4ZW4veG1hbGxvYy5oPgogI2luY2x1ZGUgPHB1YmxpYy92bV9ldmVudC5oPgog I2luY2x1ZGUgPGFzbS9mbHVzaHRsYi5oPgogI2luY2x1ZGUgPGFzbS9naWMuaD4KQEAgLTE0LDE1 ICsxNSwyNSBAQAogI2luY2x1ZGUgPGFzbS9oYXJkaXJxLmg+CiAjaW5jbHVkZSA8YXNtL3BhZ2Uu aD4KIAorI2RlZmluZSBNQVhfVk1JRF84X0JJVCAgKDFVTCA8PCA4KQorI2RlZmluZSBNQVhfVk1J RF8xNl9CSVQgKDFVTCA8PCAxNikKKworI2RlZmluZSBJTlZBTElEX1ZNSUQgMCAvKiBWTUlEIDAg aXMgcmVzZXJ2ZWQgKi8KKwogI2lmZGVmIENPTkZJR19BUk1fNjQKIHN0YXRpYyB1bnNpZ25lZCBp bnQgX19yZWFkX21vc3RseSBwMm1fcm9vdF9vcmRlcjsKIHN0YXRpYyB1bnNpZ25lZCBpbnQgX19y ZWFkX21vc3RseSBwMm1fcm9vdF9sZXZlbDsKICNkZWZpbmUgUDJNX1JPT1RfT1JERVIgICAgcDJt X3Jvb3Rfb3JkZXIKICNkZWZpbmUgUDJNX1JPT1RfTEVWRUwgcDJtX3Jvb3RfbGV2ZWwKK3N0YXRp YyB1bnNpZ25lZCBpbnQgX19yZWFkX21vc3RseSBtYXhfdm1pZCA9IE1BWF9WTUlEXzhfQklUOwor LyogVk1JRCBpcyBieSBkZWZhdWx0IDggYml0IHdpZHRoIG9uIEFBcmNoNjQgKi8KKyNkZWZpbmUg TUFYX1ZNSUQgICAgICAgbWF4X3ZtaWQKICNlbHNlCiAvKiBGaXJzdCBsZXZlbCBQMk0gaXMgYWx3 YXkgMiBjb25zZWN1dGl2ZSBwYWdlcyAqLwogI2RlZmluZSBQMk1fUk9PVF9MRVZFTCAxCiAjZGVm aW5lIFAyTV9ST09UX09SREVSICAgIDEKKy8qIFZNSUQgaXMgYWx3YXlzIDggYml0IHdpZHRoIG9u IEFBcmNoMzIgKi8KKyNkZWZpbmUgTUFYX1ZNSUQgICAgICAgIE1BWF9WTUlEXzhfQklUCiAjZW5k aWYKIAogI2RlZmluZSBQMk1fUk9PVF9QQUdFUyAgICAoMTw8UDJNX1JPT1RfT1JERVIpCkBAIC0x MjE3LDcgKzEyMjgsNyBAQCBzdGF0aWMgaW50IHAybV9hbGxvY190YWJsZShzdHJ1Y3QgZG9tYWlu ICpkKQogCiAgICAgcDJtLT5yb290ID0gcGFnZTsKIAotICAgIHAybS0+dnR0YnIgPSBwYWdlX3Rv X21hZGRyKHAybS0+cm9vdCkgfCAoKHVpbnQ2NF90KXAybS0+dm1pZCAmIDB4ZmYpIDw8IDQ4Owor ICAgIHAybS0+dnR0YnIgPSBwYWdlX3RvX21hZGRyKHAybS0+cm9vdCkgfCAoKHVpbnQ2NF90KXAy bS0+dm1pZCA8PCA0OCk7CiAKICAgICAvKgogICAgICAqIE1ha2Ugc3VyZSB0aGF0IGFsbCBUTEJz IGNvcnJlc3BvbmRpbmcgdG8gdGhlIG5ldyBWTUlEIGFyZSBmbHVzaGVkCkBAIC0xMjI4LDE5ICsx MjM5LDI3IEBAIHN0YXRpYyBpbnQgcDJtX2FsbG9jX3RhYmxlKHN0cnVjdCBkb21haW4gKmQpCiAg ICAgcmV0dXJuIDA7CiB9CiAKLSNkZWZpbmUgTUFYX1ZNSUQgMjU2Ci0jZGVmaW5lIElOVkFMSURf Vk1JRCAwIC8qIFZNSUQgMCBpcyByZXNlcnZlZCAqLwogCiBzdGF0aWMgc3BpbmxvY2tfdCB2bWlk X2FsbG9jX2xvY2sgPSBTUElOX0xPQ0tfVU5MT0NLRUQ7CiAKIC8qCi0gKiBWVFRCUl9FTDIgVk1J RCBmaWVsZCBpcyA4IGJpdHMuIFVzaW5nIGEgYml0bWFwIGhlcmUgbGltaXRzIHVzIHRvCi0gKiAy NTYgY29uY3VycmVudCBkb21haW5zLgorICogVlRUQlJfRUwyIFZNSUQgZmllbGQgaXMgOCBvciAx NiBiaXRzLiBBQXJjaDY0IG1heSBzdXBwb3J0IDE2LWJpdCBWTUlELgorICogVXNpbmcgYSBiaXRt YXAgaGVyZSBsaW1pdHMgdXMgdG8gMjU2IG9yIDY1NTM2IChmb3IgQUFyY2g2NCkgY29uY3VycmVu dAorICogZG9tYWlucy4gVGhlIGJpdG1hcCBzcGFjZSB3aWxsIGJlIGFsbG9jYXRlZCBkeW5hbWlj YWxseSBiYXNlZCBvbgorICogd2hldGhlciA4IG9yIDE2IGJpdCBWTUlEcyBhcmUgc3VwcG9ydGVk LgogICovCi1zdGF0aWMgREVDTEFSRV9CSVRNQVAodm1pZF9tYXNrLCBNQVhfVk1JRCk7CitzdGF0 aWMgdW5zaWduZWQgbG9uZyAqdm1pZF9tYXNrOwogCiBzdGF0aWMgdm9pZCBwMm1fdm1pZF9hbGxv Y2F0b3JfaW5pdCh2b2lkKQogeworICAgIC8qCisgICAgICogYWxsb2NhdGUgc3BhY2UgZm9yIHZt aWRfbWFzayBiYXNlZCBvbiBNQVhfVk1JRAorICAgICAqLworICAgIHZtaWRfbWFzayA9IHh6YWxs b2NfYXJyYXkodW5zaWduZWQgbG9uZywgQklUU19UT19MT05HUyhNQVhfVk1JRCkpOworCisgICAg aWYgKCAhdm1pZF9tYXNrICkKKyAgICAgICAgcGFuaWMoIkNvdWxkIG5vdCBhbGxvY2F0ZSBWTUlE IGJpdG1hcCBzcGFjZSIpOworCiAgICAgc2V0X2JpdChJTlZBTElEX1ZNSUQsIHZtaWRfbWFzayk7 CiB9CiAKQEAgLTE2MzAsMjAgKzE2NDksMzYgQEAgdm9pZCBfX2luaXQgc2V0dXBfdmlydF9wYWdp bmcodm9pZCkKIAogICAgIHVuc2lnbmVkIGludCBjcHU7CiAgICAgdW5zaWduZWQgaW50IHBhX3Jh bmdlID0gMHgxMDsgLyogTGFyZ2VyIHRoYW4gYW55IHBvc3NpYmxlIHZhbHVlICovCisgICAgYm9v bCB2bWlkXzhfYml0ID0gZmFsc2U7CiAKICAgICBmb3JfZWFjaF9vbmxpbmVfY3B1ICggY3B1ICkK ICAgICB7CiAgICAgICAgIGNvbnN0IHN0cnVjdCBjcHVpbmZvX2FybSAqaW5mbyA9ICZjcHVfZGF0 YVtjcHVdOwogICAgICAgICBpZiAoIGluZm8tPm1tNjQucGFfcmFuZ2UgPCBwYV9yYW5nZSApCiAg ICAgICAgICAgICBwYV9yYW5nZSA9IGluZm8tPm1tNjQucGFfcmFuZ2U7CisKKyAgICAgICAgLyog U2V0IGEgZmxhZyBpZiB0aGUgY3VycmVudCBjcHUgZG9lcyBub3Qgc3VwcG9ydCAxNiBiaXQgVk1J RHMuICovCisgICAgICAgIGlmICggaW5mby0+bW02NC52bWlkX2JpdHMgIT0gTU02NF9WTUlEXzE2 X0JJVFNfU1VQUE9SVCApCisgICAgICAgICAgICB2bWlkXzhfYml0ID0gdHJ1ZTsKICAgICB9CiAK KyAgICAvKgorICAgICAqIElmIHRoZSBmbGFnIGlzIG5vdCBzZXQgdGhlbiBpdCBtZWFucyBhbGwg Q1BVcyBzdXBwb3J0IDE2LWJpdAorICAgICAqIFZNSURzLgorICAgICAqLworICAgIGlmICggIXZt aWRfOF9iaXQgKQorICAgICAgICBtYXhfdm1pZCA9IE1BWF9WTUlEXzE2X0JJVDsKKwogICAgIC8q IHBhX3JhbmdlIGlzIDQgYml0cywgYnV0IHRoZSBkZWZpbmVkIGVuY29kaW5ncyBhcmUgb25seSAz IGJpdHMgKi8KICAgICBpZiAoIHBhX3JhbmdlID49IEFSUkFZX1NJWkUocGFfcmFuZ2VfaW5mbykg fHwgIXBhX3JhbmdlX2luZm9bcGFfcmFuZ2VdLnBhYml0cyApCiAgICAgICAgIHBhbmljKCJVbmtu b3duIGVuY29kaW5nIG9mIElEX0FBNjRNTUZSMF9FTDEuUEFSYW5nZSAleFxuIiwgcGFfcmFuZ2Up OwogCiAgICAgdmFsIHw9IFZUQ1JfUFMocGFfcmFuZ2UpOwogICAgIHZhbCB8PSBWVENSX1RHMF80 SzsKKworICAgIC8qIFNldCB0aGUgVlMgYml0IG9ubHkgaWYgMTYgYml0IFZNSUQgaXMgc3VwcG9y dGVkLiAqLworICAgIGlmICggTUFYX1ZNSUQgPT0gTUFYX1ZNSURfMTZfQklUICkKKyAgICAgICAg dmFsIHw9IFZUQ1JfVlM7CiAgICAgdmFsIHw9IFZUQ1JfU0wwKHBhX3JhbmdlX2luZm9bcGFfcmFu Z2VdLnNsMCk7CiAgICAgdmFsIHw9IFZUQ1JfVDBTWihwYV9yYW5nZV9pbmZvW3BhX3JhbmdlXS50 MHN6KTsKIApAQCAtMTY1MSw5ICsxNjg2LDEwIEBAIHZvaWQgX19pbml0IHNldHVwX3ZpcnRfcGFn aW5nKHZvaWQpCiAgICAgcDJtX3Jvb3RfbGV2ZWwgPSAyIC0gcGFfcmFuZ2VfaW5mb1twYV9yYW5n ZV0uc2wwOwogICAgIHAybV9pcGFfYml0cyA9IDY0IC0gcGFfcmFuZ2VfaW5mb1twYV9yYW5nZV0u dDBzejsKIAotICAgIHByaW50aygiUDJNOiAlZC1iaXQgSVBBIHdpdGggJWQtYml0IFBBXG4iLAor ICAgIHByaW50aygiUDJNOiAlZC1iaXQgSVBBIHdpdGggJWQtYml0IFBBIGFuZCAlZC1iaXQgVk1J RFxuIiwKICAgICAgICAgICAgcDJtX2lwYV9iaXRzLAotICAgICAgICAgICBwYV9yYW5nZV9pbmZv W3BhX3JhbmdlXS5wYWJpdHMpOworICAgICAgICAgICBwYV9yYW5nZV9pbmZvW3BhX3JhbmdlXS5w YWJpdHMsCisgICAgICAgICAgICggTUFYX1ZNSUQgPT0gTUFYX1ZNSURfMTZfQklUICkgPyAxNiA6 IDgpOwogI2VuZGlmCiAgICAgcHJpbnRrKCJQMk06ICVkIGxldmVscyB3aXRoIG9yZGVyLSVkIHJv b3QsIFZUQ1IgMHglbHhcbiIsCiAgICAgICAgICAgIDQgLSBQMk1fUk9PVF9MRVZFTCwgUDJNX1JP T1RfT1JERVIsIHZhbCk7CmRpZmYgLS1naXQgYS94ZW4vaW5jbHVkZS9hc20tYXJtL3AybS5oIGIv eGVuL2luY2x1ZGUvYXNtLWFybS9wMm0uaAppbmRleCAwOTg3YmUyLi45ZGU1NWZjIDEwMDY0NAot LS0gYS94ZW4vaW5jbHVkZS9hc20tYXJtL3AybS5oCisrKyBiL3hlbi9pbmNsdWRlL2FzbS1hcm0v cDJtLmgKQEAgLTMwLDcgKzMwLDcgQEAgc3RydWN0IHAybV9kb21haW4gewogICAgIHN0cnVjdCBw YWdlX2luZm8gKnJvb3Q7CiAKICAgICAvKiBDdXJyZW50IFZNSUQgaW4gdXNlICovCi0gICAgdWlu dDhfdCB2bWlkOworICAgIHVpbnQxNl90IHZtaWQ7CiAKICAgICAvKiBDdXJyZW50IFRyYW5zbGF0 aW9uIFRhYmxlIEJhc2UgUmVnaXN0ZXIgZm9yIHRoZSBwMm0gKi8KICAgICB1aW50NjRfdCB2dHRi cjsKZGlmZiAtLWdpdCBhL3hlbi9pbmNsdWRlL2FzbS1hcm0vcHJvY2Vzc29yLmggYi94ZW4vaW5j bHVkZS9hc20tYXJtL3Byb2Nlc3Nvci5oCmluZGV4IDQxNjM4ODQuLmFmYzBlOWEgMTAwNjQ0Ci0t LSBhL3hlbi9pbmNsdWRlL2FzbS1hcm0vcHJvY2Vzc29yLmgKKysrIGIveGVuL2luY2x1ZGUvYXNt LWFybS9wcm9jZXNzb3IuaApAQCAtMjE1LDYgKzIxNSw4IEBACiAKICNkZWZpbmUgVlRDUl9QUyh4 KSAgICAgICgoeCk8PDE2KQogCisjZGVmaW5lIFZUQ1JfVlMgICAgCSAgICAoX0FDKDB4MSxVTCk8 PDE5KQorCiAjZW5kaWYKIAogI2RlZmluZSBWVENSX1JFUzEgICAgICAgKF9BQygxLFVMKTw8MzEp CkBAIC0yNjksNiArMjcxLDExIEBACiAvKiBGU1IgbG9uZyBmb3JtYXQgKi8KICNkZWZpbmUgRlNS TF9TVEFUVVNfREVCVUcgICAgICAgKF9BQygweDIyLFVMKTw8MCkKIAorI2lmZGVmIENPTkZJR19B Uk1fNjQKKyNkZWZpbmUgTU02NF9WTUlEXzhfQklUU19TVVBQT1JUICAgIDB4MAorI2RlZmluZSBN TTY0X1ZNSURfMTZfQklUU19TVVBQT1JUICAgMHgyCisjZW5kaWYKKwogI2lmbmRlZiBfX0FTU0VN QkxZX18KIAogc3RydWN0IGNwdWluZm9fYXJtIHsKQEAgLTMzNyw3ICszNDQsMTYgQEAgc3RydWN0 IGNwdWluZm9fYXJtIHsKICAgICAgICAgICAgIHVuc2lnbmVkIGxvbmcgdGdyYW51bGVfNjRLOjQ7 CiAgICAgICAgICAgICB1bnNpZ25lZCBsb25nIHRncmFudWxlXzRLOjQ7CiAgICAgICAgICAgICB1 bnNpZ25lZCBsb25nIF9fcmVzMDozMjsKLSAgICAgICB9OworCisgICAgICAgICAgICB1bnNpZ25l ZCBsb25nIGhhZmRiczo0OworICAgICAgICAgICAgdW5zaWduZWQgbG9uZyB2bWlkX2JpdHM6NDsK KyAgICAgICAgICAgIHVuc2lnbmVkIGxvbmcgdmg6NDsKKyAgICAgICAgICAgIHVuc2lnbmVkIGxv bmcgaHBkczo0OworICAgICAgICAgICAgdW5zaWduZWQgbG9uZyBsbzo0OworICAgICAgICAgICAg dW5zaWduZWQgbG9uZyBwYW46NDsKKyAgICAgICAgICAgIHVuc2lnbmVkIGxvbmcgX19yZXMxOjg7 CisgICAgICAgICAgICB1bnNpZ25lZCBsb25nIF9fcmVzMjozMjsKKyAgICAgICAgfTsKICAgICB9 IG1tNjQ7CiAKICAgICBzdHJ1Y3QgewotLSAKMi43LjQKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK