From patchwork Fri Sep 15 11:11:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Rui X-Patchwork-Id: 13386909 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DBB4BEE6457 for ; Fri, 15 Sep 2023 11:13:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qh6kQ-0002hf-Pz; Fri, 15 Sep 2023 07:12:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qh6kP-0002hS-HS for qemu-devel@nongnu.org; Fri, 15 Sep 2023 07:12:29 -0400 Received: from mail-dm6nam10on20612.outbound.protection.outlook.com ([2a01:111:f400:7e88::612] helo=NAM10-DM6-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qh6kL-0005yj-Qy for qemu-devel@nongnu.org; Fri, 15 Sep 2023 07:12:28 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=E55vYZbsdVBrxQdTf4MB/Hg2hxFZ6Phe01WGgDLee/LTUGbQAhQD5faL1zhwRUpoYoKoBmB0zzvDL5qoFEftPdNnmzXwveu/8opLKSUo0cvZdq5ZbgU/7XfcXU8DjNDj4A3TIWPruzE9tuZ+Mm7VqBrPZCjcv/b7bPIxdrDYSz6t2n4z7B7MieNjrQRX23n8Co6ks6Ky6I0wUppbdRq4nD+TxjH/n36U2jRNrt/Re6BH5zfz7lsV9kXxY+sMhmdBxsYF2LQsRcnMdu7WkEJxftDGx+Bca+fKxO+/zjF1CerVD2SF3JEW0+xL+fN2/NbpoxLiam/APpRH+VK8tczKdA== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ZGX5Hj5sdF72tVBTXUh0R/Xrx3cM3xMJ6mAZRIdjtqc=; b=ZcQdBVun4R/2Yur+xI8aPKRV8EC8aI3jsO2sxhMFCYfHl4POaJr1xMTss5cSki/IPYKR5z2IysgYI/NhrlAEe4Q7gMVME+aHIDQk09NsnZ8jWiV4NKTngi5TzaZ1HBeqrc8mhUfVFYm+UbQy0U/aOu49uuCBON0+YMP8DdsaviP79EUcdPOLD++dJbPPxqWCcN9E8Dw1SDxG+beh0QpdjOz4v+25tKLgmXRPKiLgQaJH/9wtJYpQC05/gcdvqZ3MOs3ko/gY4vayLW1hV/V8S+CGVfTXnBdScaanhQZ0aoChgSko+A1sBWOz8zC1IpqdkkY60T5zXIFRnIMZN6o+VA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=redhat.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ZGX5Hj5sdF72tVBTXUh0R/Xrx3cM3xMJ6mAZRIdjtqc=; b=QdHUbyIT3dLtAOEbB03ZeEpKOltvTm6JJXGnQEcOYJEcDQVojUK4FzbdiZiABJvo7oNkvYyZDsVGWqRxeKn61I54zneVHbuYPw1ngbFzigfIcqlgArPxgbqQapZ04yx+Q94iuu2hhPaAfu/UlHkEwqxjZFAVvlmeOWzthY1Ezp0= Received: from DS0PR17CA0015.namprd17.prod.outlook.com (2603:10b6:8:191::23) by SA1PR12MB6821.namprd12.prod.outlook.com (2603:10b6:806:25c::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.31; Fri, 15 Sep 2023 11:12:21 +0000 Received: from DS1PEPF0001709D.namprd05.prod.outlook.com (2603:10b6:8:191:cafe::44) by DS0PR17CA0015.outlook.office365.com (2603:10b6:8:191::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6792.21 via Frontend Transport; Fri, 15 Sep 2023 11:12:21 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DS1PEPF0001709D.mail.protection.outlook.com (10.167.18.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6792.19 via Frontend Transport; Fri, 15 Sep 2023 11:12:21 +0000 Received: from hr-test6.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 15 Sep 2023 06:12:15 -0500 From: Huang Rui To: Gerd Hoffmann , "Michael S . Tsirkin" , Akihiko Odaki , Stefano Stabellini , Anthony PERARD , "Antonio Caggiano" , "Dr . David Alan Gilbert" , Robert Beckett , "Dmitry Osipenko" , =?utf-8?q?Alex_Benn?= =?utf-8?q?=C3=A9e?= , CC: , Gurchetan Singh , Albert Esteve , , =?utf-8?q?Philipp?= =?utf-8?q?e_Mathieu-Daud=C3=A9?= , Alyssa Ross , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , "Honglei Huang" , Julia Zhang , "Chen Jiqian" , Antonio Caggiano , Huang Rui Subject: [QEMU PATCH v5 01/13] virtio: Add shared memory capability Date: Fri, 15 Sep 2023 19:11:18 +0800 Message-ID: <20230915111130.24064-2-ray.huang@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230915111130.24064-1-ray.huang@amd.com> References: <20230915111130.24064-1-ray.huang@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709D:EE_|SA1PR12MB6821:EE_ X-MS-Office365-Filtering-Correlation-Id: 97bd9e2f-f893-4c7b-ead0-08dbb5dca1fd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(4636009)(39860400002)(346002)(376002)(396003)(136003)(451199024)(1800799009)(82310400011)(186009)(46966006)(36840700001)(40470700004)(110136005)(921005)(81166007)(7696005)(356005)(86362001)(36756003)(40460700003)(478600001)(47076005)(40480700001)(82740400003)(36860700001)(70206006)(2616005)(5660300002)(336012)(16526019)(426003)(41300700001)(316002)(8936002)(4326008)(8676002)(26005)(54906003)(2906002)(7416002)(70586007)(1076003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2023 11:12:21.7012 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 97bd9e2f-f893-4c7b-ead0-08dbb5dca1fd X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001709D.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB6821 Received-SPF: softfail client-ip=2a01:111:f400:7e88::612; envelope-from=Ray.Huang@amd.com; helo=NAM10-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: "Dr. David Alan Gilbert" Define a new capability type 'VIRTIO_PCI_CAP_SHARED_MEMORY_CFG' to allow defining shared memory regions with sizes and offsets of 2^32 and more. Multiple instances of the capability are allowed and distinguished by a device-specific 'id'. Signed-off-by: Dr. David Alan Gilbert Signed-off-by: Antonio Caggiano Signed-off-by: Gurchetan Singh Tested-by: Alyssa Ross Tested-by: Huang Rui Tested-by: Akihiko Odaki Acked-by: Huang Rui Reviewed-by: Gurchetan Singh Reviewed-by: Akihiko Odaki Signed-off-by: Huang Rui --- This patch is already under review as part of the "rutabaga_gfx + gfxstream" series (already in v13) and has been included here because of dependency. hw/virtio/virtio-pci.c | 18 ++++++++++++++++++ include/hw/virtio/virtio-pci.h | 4 ++++ 2 files changed, 22 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index edbc0daa18..da8c9ea12d 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1435,6 +1435,24 @@ static int virtio_pci_add_mem_cap(VirtIOPCIProxy *proxy, return offset; } +int virtio_pci_add_shm_cap(VirtIOPCIProxy *proxy, + uint8_t bar, uint64_t offset, uint64_t length, + uint8_t id) +{ + struct virtio_pci_cap64 cap = { + .cap.cap_len = sizeof cap, + .cap.cfg_type = VIRTIO_PCI_CAP_SHARED_MEMORY_CFG, + }; + + cap.cap.bar = bar; + cap.cap.length = cpu_to_le32(length); + cap.length_hi = cpu_to_le32(length >> 32); + cap.cap.offset = cpu_to_le32(offset); + cap.offset_hi = cpu_to_le32(offset >> 32); + cap.cap.id = id; + return virtio_pci_add_mem_cap(proxy, &cap.cap); +} + static uint64_t virtio_pci_common_read(void *opaque, hwaddr addr, unsigned size) { diff --git a/include/hw/virtio/virtio-pci.h b/include/hw/virtio/virtio-pci.h index ab2051b64b..5a3f182f99 100644 --- a/include/hw/virtio/virtio-pci.h +++ b/include/hw/virtio/virtio-pci.h @@ -264,4 +264,8 @@ unsigned virtio_pci_optimal_num_queues(unsigned fixed_queues); void virtio_pci_set_guest_notifier_fd_handler(VirtIODevice *vdev, VirtQueue *vq, int n, bool assign, bool with_irqfd); + +int virtio_pci_add_shm_cap(VirtIOPCIProxy *proxy, uint8_t bar, uint64_t offset, + uint64_t length, uint8_t id); + #endif