From patchwork Fri Jul 19 22:02:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Kuehling X-Patchwork-Id: 11050659 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8CC7513BD for ; Fri, 19 Jul 2019 22:02:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E96828560 for ; Fri, 19 Jul 2019 22:02:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 73418289CB; Fri, 19 Jul 2019 22:02:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_SORBS_WEB autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EA3C1289C9 for ; Fri, 19 Jul 2019 22:02:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 738596E86B; Fri, 19 Jul 2019 22:02:07 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from NAM01-BN3-obe.outbound.protection.outlook.com (mail-eopbgr740045.outbound.protection.outlook.com [40.107.74.45]) by gabe.freedesktop.org (Postfix) with ESMTPS id 56CB56E86B; Fri, 19 Jul 2019 22:02:06 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=QJ4oUdsZIi+RvYiyP0E7gZsMGgf8ZSsMqPZ0vi1ado0LzUOHc/1ILz3i3GDJTQekZ9rev42kr7VDtaVRV2k0I7Ta0zSus7N6fc8F0eNyeROQGjtelc90Phh8WNz+hIlmtmFS2eecX/0skxeqAH+oPeE8mWav+CKCtPf0LNjsD28wLEzm1VEl+VZYTubzOGqAoHUcWIdPlLBXa+keGjYUo+KUgM0spGj+Rq2CY4522iAYySVMFl2IftFGBuNEaTgijT1nBknX2nnkmbqvwOdCim+IcMorvh85nHMzXcwMqb4dmQ4m407DNdz06FCmBjmouOfFPVoDhP48La6joGl4Bw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=83MMwuE9+92blTxMIYf/+fn9NS9u89ZzE/gsK11hPmI=; b=BsdNjO0QuaClNZ9HHcuOi4bmvbfMbxrzaBmG9NGfd2/bcAQXvAEbQdNFozChfy9xuwP6ZvhdPHS0cqLjuxY0YdxXzjTrNZ/V8ikpphcFIj/jNmivAJ2iA7G+wN7euZVLIr2d/r8PLLSjekso9s12gQKyp/Tgi02pVy0hv5q0ri/SBhwuCiTuq30ROXgAjb7Q4eD6uLkHNbNTUpxq1pWlvKuXtGZucKLbs4OdZH15ghOZRLnWci+IKNE1awL7x4xywIqyqoiuYJRfH+/43pKujHfutNW6HM2piKcfNgwqyUjAJyf9qM5HcIDM+3K7I6MElMXZ4iW2UbmJ9gwS9MgDLQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1;spf=pass smtp.mailfrom=amd.com;dmarc=pass action=none header.from=amd.com;dkim=pass header.d=amd.com;arc=none Received: from DM6PR12MB3947.namprd12.prod.outlook.com (10.255.174.156) by DM6PR12MB3915.namprd12.prod.outlook.com (10.255.174.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2094.15; Fri, 19 Jul 2019 22:02:04 +0000 Received: from DM6PR12MB3947.namprd12.prod.outlook.com ([fe80::91a2:f9e7:8c86:f927]) by DM6PR12MB3947.namprd12.prod.outlook.com ([fe80::91a2:f9e7:8c86:f927%7]) with mapi id 15.20.2073.012; Fri, 19 Jul 2019 22:02:04 +0000 From: "Kuehling, Felix" To: "amd-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" Subject: [PATCH 1/4] drm/amdgpu: Add flag to wipe VRAM on release Thread-Topic: [PATCH 1/4] drm/amdgpu: Add flag to wipe VRAM on release Thread-Index: AQHVPn2ZtZE9HUndj0OxbiHrj2Wtag== Date: Fri, 19 Jul 2019 22:02:04 +0000 Message-ID: <20190719220140.18968-1-Felix.Kuehling@amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [165.204.55.251] x-mailer: git-send-email 2.17.1 x-clientproxiedby: YTXPR0101CA0061.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b00:1::38) To DM6PR12MB3947.namprd12.prod.outlook.com (2603:10b6:5:1cb::28) x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cf208565-9304-494f-8d99-08d70c94bbab x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020); SRVR:DM6PR12MB3915; x-ms-traffictypediagnostic: DM6PR12MB3915: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-forefront-prvs: 01039C93E4 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(39860400002)(136003)(396003)(346002)(376002)(366004)(189003)(199004)(66446008)(66556008)(66476007)(66946007)(5660300002)(66066001)(64756008)(478600001)(53936002)(25786009)(7736002)(305945005)(256004)(6436002)(486006)(86362001)(6486002)(52116002)(450100002)(476003)(50226002)(68736007)(186003)(8676002)(2616005)(1076003)(14454004)(6506007)(4744005)(102836004)(2906002)(99286004)(2501003)(386003)(36756003)(71200400001)(71190400001)(6512007)(26005)(81156014)(6116002)(3846002)(8936002)(110136005)(81166006)(316002); DIR:OUT; SFP:1101; SCL:1; SRVR:DM6PR12MB3915; H:DM6PR12MB3947.namprd12.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: St3h5f3/yFkt9HD8dbLQ8LcgwKgwtyJkpqLAKhzWPf9S0U8egWmvhHhOrHmDZufkOBT//4fwGz3senqga73TQ+FoGrTfUJafGawiSrefXKtGcJ0O91jBZYZLt4Eln+pVneVW343ZC/2mezHRe3YtfwxXJ9ZfLwVileI7zYRxddRc+uk5VX0P5oxsIOFijSg2z2yZMgZr9r4JoswuyxTavWpEZpWFAeuPBnO6SeRFgx27BXRHgMf/d/Tx/vv0cWy0zS9kHcwZ7kUqAAkNOhTTUPCBe19tOIvHQOZXzgciLPm5ghyD0Cxjj6QPldTZ6aJOLCQFtng8sPgLF7A2xku0UbLFrbeXoyREm0JAxqh8hwmby50bsHrEm1peYkgGsXnXIcFUP31pdnsGcS8XO6J9GMe35rn7pOpgdhDLm7X8vpo= MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: cf208565-9304-494f-8d99-08d70c94bbab X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jul 2019 22:02:04.1718 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fkuehlin@amd.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB3915 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=83MMwuE9+92blTxMIYf/+fn9NS9u89ZzE/gsK11hPmI=; b=EH1JVi2N64P9TZjv/PPVmjn0OR4Pa4Zg/PJ7Rg1jHuE0CEmrBCaf0X5Bn/axO8SOZCfq9GXWyaOrRPUQnY5O9fLixX/7kGkcJnWyUiRwafk9q7MDtTQzLp/VbZU4j7rL03FoArBhQiVz1hf0GLUXoacp2T8s6JtvQI5qig4dwkI= X-Mailman-Original-Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Felix.Kuehling@amd.com; X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This memory allocation flag will be used to indicate BOs containing sensitive data that should not be leaked to other processes. Signed-off-by: Felix Kuehling --- include/uapi/drm/amdgpu_drm.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index d49571dab2a1..ca97b6802275 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -131,6 +131,10 @@ extern "C" { * for the second page onward should be set to NC. */ #define AMDGPU_GEM_CREATE_MQD_GFX9 (1 << 8) +/* Flag that BO may contain sensitive data that must be wiped before + * releasing the memory + */ +#define AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE (1 << 9) struct drm_amdgpu_gem_create_in { /** the requested memory size */