From patchwork Fri May 19 21:57:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 13248901 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 15AA4C77B75 for ; Fri, 19 May 2023 21:58:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q086k-0005wU-Nm; Fri, 19 May 2023 17:57:54 -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 1q086j-0005wE-Fc for qemu-devel@nongnu.org; Fri, 19 May 2023 17:57:53 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q086h-0004F4-Op for qemu-devel@nongnu.org; Fri, 19 May 2023 17:57:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684533470; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RYrP0o+CAqP3kVFMwvnEaTCaiiKfYNj8nTDnmx99pDo=; b=OMk6z/hlMzlrb/jKzCUH1YVS2lcP8o9XCu8+WVE9ZzdZiLpX2poybl2OXzNj7en564J3wC ERXMAq02Zv5mge6r0aWbIe9R5hYbaLhXy7yHZGbZILhKTi1/i+38cq3MoMfXEnCgPdUUFN vPAmqKIFwCZ5BOn1awaPiX+SqsAA9g8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-467-ZA92AA6lN1uOzK4upMqo0w-1; Fri, 19 May 2023 17:57:49 -0400 X-MC-Unique: ZA92AA6lN1uOzK4upMqo0w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id AAEB4101A53B; Fri, 19 May 2023 21:57:48 +0000 (UTC) Received: from omen.home.shazbot.org (unknown [10.22.10.168]) by smtp.corp.redhat.com (Postfix) with ESMTP id 43AA8C0004B; Fri, 19 May 2023 21:57:48 +0000 (UTC) From: Alex Williamson To: robin@streamhpc.com, mst@redhat.com, marcel.apfelbaum@gmail.com Cc: Alex Williamson , qemu-devel@nongnu.org Subject: [RFC PATCH 1/4] linux-headers: Update for vfio capability reporting AtomicOps Date: Fri, 19 May 2023 15:57:36 -0600 Message-Id: <20230519215739.402729-2-alex.williamson@redhat.com> In-Reply-To: <20230519215739.402729-1-alex.williamson@redhat.com> References: <20230519215739.402729-1-alex.williamson@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.129.124; envelope-from=alex.williamson@redhat.com; helo=us-smtp-delivery-124.mimecast.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 This is a partial linux-headers update for illustrative and testing purposes only, NOT FOR COMMIT. Signed-off-by: Alex Williamson --- linux-headers/linux/vfio.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index 4a534edbdcba..443a8851e156 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -240,6 +240,20 @@ struct vfio_device_info { #define VFIO_DEVICE_INFO_CAP_ZPCI_UTIL 3 #define VFIO_DEVICE_INFO_CAP_ZPCI_PFIP 4 +/* + * The following VFIO_DEVICE_INFO capability reports support for PCIe AtomicOp + * completion to the root bus with supported widths provided via flags. + */ +#define VFIO_DEVICE_INFO_CAP_PCI_ATOMIC_COMP 5 +struct vfio_device_info_cap_pci_atomic_comp { + struct vfio_info_cap_header header; + __u32 flags; +#define VFIO_PCI_ATOMIC_COMP32 (1 << 0) +#define VFIO_PCI_ATOMIC_COMP64 (1 << 1) +#define VFIO_PCI_ATOMIC_COMP128 (1 << 2) + __u32 reserved; +}; + /** * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8, * struct vfio_region_info)