From mboxrd@z Thu Jan 1 00:00:00 1970 From: ankitprasad.r.sharma@intel.com Subject: [PATCH 1/3] igt/gem_stolen: Verify contents of stolen-backed objects across hibernation Date: Fri, 3 Jun 2016 14:21:29 +0530 Message-ID: <1464943891-15470-1-git-send-email-ankitprasad.r.sharma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 3FA596ED3A for ; Fri, 3 Jun 2016 09:17:16 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: akash.goel@intel.com, Ankitprasad Sharma List-Id: intel-gfx@lists.freedesktop.org RnJvbTogQW5raXRwcmFzYWQgU2hhcm1hIDxhbmtpdHByYXNhZC5yLnNoYXJtYUBpbnRlbC5jb20+ CgpUaGlzIHBhdGNoIHZlcmlmaWVzIGlmIHRoZSBjb250ZW50cyBvZiB0aGUgc3RvbGVuIGJhY2tl ZCBvYmplY3Qgd2VyZQpwcmVzZXJ2ZWQgYWNyb3NzIGhpYmVybmF0aW9uLiBUaGlzIGlzIHRvIHZh bGlkYXRlIGtlcm5lbCBjaGFuZ2VzIHJlbGF0ZWQKdG8gbW92aW5nIHN0b2xlbi1iYWNrZWQgb2Jq ZWN0cyB0byBzaG1lbSBvbiBoaWJlcm5hdGlvbi4KCnYyOiBBZGRlZCBjb21tZW50LCBVc2UgaWd0 X2Fzc2VydF9lcSgpIGluc3RlYWQgb2YgaWd0X2Fzc2VydCgpLCBNYWRlIGxvb3BzCm1vcmUgcmVh ZGFibGUgKFR2cnRrbykKCnYzOiBDb3JyZWN0ZWQgYXNzZXJ0aW9uIChUdnJ0a28pCgpTaWduZWQt b2ZmLWJ5OiBBbmtpdHByYXNhZCBTaGFybWEgPGFua2l0cHJhc2FkLnIuc2hhcm1hQGludGVsLmNv bT4KUmV2aWV3ZWQtYnk6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+ Ci0tLQogdGVzdHMvZ2VtX3N0b2xlbi5jIHwgOTUgKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgOTUgaW5zZXJ0aW9u cygrKQoKZGlmZiAtLWdpdCBhL3Rlc3RzL2dlbV9zdG9sZW4uYyBiL3Rlc3RzL2dlbV9zdG9sZW4u YwppbmRleCAwN2ZkZDM5Li4zYTNjZjgxIDEwMDY0NAotLS0gYS90ZXN0cy9nZW1fc3RvbGVuLmMK KysrIGIvdGVzdHMvZ2VtX3N0b2xlbi5jCkBAIC0yOTAsNiArMjkwLDk4IEBAIHN0YXRpYyB2b2lk IHN0b2xlbl9maWxsX3B1cmdlX3Rlc3QoaW50IGZkKQogCQlnZW1fY2xvc2UoZmQsIGhhbmRsZVtp XSk7CiB9CiAKK3N0YXRpYyB2b2lkIHN0b2xlbl9oaWJlcm5hdGUoaW50IGZkKQoreworCWRybV9p bnRlbF9ibyAqYm87CisJZHJtX2ludGVsX2JvICpzcmMsICpkZXN0OworCWludCBvYmpfY291bnQg PSAwLCBpID0gMDsKKwlpbnQgcmV0LCBqOworCXVpbnQzMl90IGhhbmRsZVtNQVhfT0JKRUNUU10s IHNyY19oYW5kbGU7CisJdWludDMyX3QgKnZpcnQ7CisKKwlnZW1fcmVxdWlyZV9zdG9sZW5fc3Vw cG9ydChmZCk7CisKKwlzcmNfaGFuZGxlID0gZ2VtX2NyZWF0ZShmZCwgU0laRSk7CisJc3JjID0g Z2VtX2hhbmRsZV90b19saWJkcm1fYm8oYnVmbWdyLCBmZCwKKwkJCQkgICAgICJibyIsIHNyY19o YW5kbGUpOworCWlndF9hc3NlcnQoc3JjICE9IE5VTEwpOworCisJcmV0ID0gZHJtX2ludGVsX2dl bV9ib19tYXBfZ3R0KHNyYyk7CisJaWd0X2Fzc2VydF9lcShyZXQsIDApOworCisJdmlydCA9IHNy Yy0+dmlydHVhbDsKKwlmb3IgKGogPSAwOyBqIDwgU0laRS9EV09SRF9TSVpFOyBqKyspIHsKKwkJ aWd0X2Fzc2VydF9lcSh2aXJ0W2pdLCAwKTsKKwkJdmlydFtqXSA9IGo7CisJfQorCisJZHJtX2lu dGVsX2JvX3VubWFwKHNyYyk7CisJLyogRXhoYXVzdCBTdG9sZW4gc3BhY2UgKi8KKwlmb3IgKGkg PSAwOyBpIDwgTUFYX09CSkVDVFM7IGkrKykgeworCQloYW5kbGVbaV0gPSBfX2dlbV9jcmVhdGVf c3RvbGVuKGZkLCBTSVpFKTsKKwkJaWYgKCFoYW5kbGVbaV0pCisJCQlicmVhazsKKworCQlibyA9 IGdlbV9oYW5kbGVfdG9fbGliZHJtX2JvKGJ1Zm1nciwgZmQsCisJCQkJCSAgICAgInZlcmlmeV9i byIsIGhhbmRsZVtpXSk7CisJCWlndF9hc3NlcnQoYm8gIT0gTlVMTCk7CisJCXJldCA9IGRybV9p bnRlbF9nZW1fYm9fbWFwX2d0dChibyk7CisJCWlndF9hc3NlcnRfZXEocmV0LCAwKTsKKworCQl2 aXJ0ID0gYm8tPnZpcnR1YWw7CisJCWZvciAoaiA9IDA7IGogPCBTSVpFL0RXT1JEX1NJWkU7IGor KykKKwkJCWlndF9hc3NlcnRfZXEodmlydFtqXSwgMCk7CisKKwkJZHJtX2ludGVsX2JvX3VubWFw KGJvKTsKKwkJZHJtX2ludGVsX2JvX3VucmVmZXJlbmNlKGJvKTsKKworCQlvYmpfY291bnQrKzsK Kwl9CisKKwkvKiBBc3NlcnQgaWYgYXRsZWFzdCBvbmUgb2JqZWN0IGlzIGFsbG9jYXRlZCBmcm9t IHN0b2xlbiwgdGhhdAorCSAqIGlzIGdvb2QgZW5vdWdoIHRvIHZlcmlmeSB0aGUgY29udGVudCBw cmVzZXJ2YXRpb24gYWNyb3NzCisJICogaGliZXJuYXRpb24uCisJICovCisJaWd0X2Fzc2VydChv YmpfY291bnQgPiAwKTsKKworCS8qIENvcHkgZGF0YSB0byBhbGwgc3RvbGVuIGJhY2tlZCBvYmpl Y3RzICovCisJZm9yIChpID0gMDsgaSA8IG9ial9jb3VudDsgaSsrKSB7CisJCWRlc3QgPSBnZW1f aGFuZGxlX3RvX2xpYmRybV9ibyhidWZtZ3IsIGZkLAorCQkJCQkgICAgICAgImRzdF9ibyIsIGhh bmRsZVtpXSk7CisJCWlndF9hc3NlcnQoZGVzdCAhPSBOVUxMKTsKKwkJLyogQ29weSBjb250ZW50 cyB0byBzdG9sZW4gYmFja2VkIG9iamVjdHMgdmlhIGJsdCBhbmQKKwkJICogdmVyaWZ5IHBvc3Qt aGliZXJuYXRpb24sIHRoaXMgYWxzbyBoZWxwcyBpbiBpZGVudGlmeWluZworCQkgKiB0aGF0IHRo ZSBvcGVyYXRpb24gd2FzIGNvbXBsZXRlZCBiZWZvcmUgZ29pbmcgdG8KKwkJICogaGliZXJuYXRp b24uCisJCSAqLworCQlpbnRlbF9jb3B5X2JvKGJhdGNoLCBkZXN0LCBzcmMsIFNJWkUpOworCX0K KworCWRybV9pbnRlbF9ib191bnJlZmVyZW5jZShzcmMpOworCisJaWd0X3N5c3RlbV9oaWJlcm5h dGVfYXV0b3Jlc3VtZSgpOworCS8qIENoZWNrIGlmIHRoZSBvYmplY3QncyBtZW1vcnkgY29udGVu dHMgYXJlIGludGFjdAorCSAqIGFjcm9zcyBoaWJlcm5hdGlvbi4KKwkgKi8KKwlmb3IgKGkgPSAw OyBpIDwgb2JqX2NvdW50OyBpKyspIHsKKwkJYm8gPSBnZW1faGFuZGxlX3RvX2xpYmRybV9ibyhi dWZtZ3IsIGZkLAorCQkJCQkgICAgICJ2ZXJpZnlfYm8iLCBoYW5kbGVbaV0pOworCQlpZ3RfYXNz ZXJ0KGJvICE9IE5VTEwpOworCQlyZXQgPSBkcm1faW50ZWxfZ2VtX2JvX21hcF9ndHQoYm8pOwor CQlpZ3RfYXNzZXJ0X2VxKHJldCwgMCk7CisJCXZpcnQgPSBiby0+dmlydHVhbDsKKwkJZm9yIChq ID0gMDsgaiA8IFNJWkUvRFdPUkRfU0laRTsgaisrKQorCQkJaWd0X2Fzc2VydF9lcSh2aXJ0W2pd LCBqKTsKKworCQlkcm1faW50ZWxfYm9fdW5tYXAoYm8pOworCQlkcm1faW50ZWxfYm9fdW5yZWZl cmVuY2UoYm8pOworCX0KKworCWdlbV9jbG9zZShmZCwgc3JjX2hhbmRsZSk7CisJZm9yIChpID0g MDsgaSA8IG9ial9jb3VudDsgaSsrKQorCQlnZW1fY2xvc2UoZmQsIGhhbmRsZVtpXSk7Cit9CisK IHN0YXRpYyB2b2lkCiBzdG9sZW5fbm9fbW1hcChpbnQgZmQpCiB7CkBAIC0zNTMsNiArNDQ1LDkg QEAgaWd0X21haW4KIAlpZ3Rfc3VidGVzdCgic3RvbGVuLWZpbGwtcHVyZ2UiKQogCQlzdG9sZW5f ZmlsbF9wdXJnZV90ZXN0KGZkKTsKIAorCWlndF9zdWJ0ZXN0KCJzdG9sZW4taGliZXJuYXRlIikK KwkJc3RvbGVuX2hpYmVybmF0ZShmZCk7CisKIAlpZ3RfZml4dHVyZSB7CiAJCWludGVsX2JhdGNo YnVmZmVyX2ZyZWUoYmF0Y2gpOwogCQlkcm1faW50ZWxfYnVmbWdyX2Rlc3Ryb3koYnVmbWdyKTsK LS0gCjEuOS4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK