From mboxrd@z Thu Jan 1 00:00:00 1970 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 ECB0DC77B7A for ; Fri, 26 May 2023 23:16:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q2gfL-0004di-7p; Fri, 26 May 2023 19:16:11 -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 1q2gfJ-0004cR-C8 for qemu-devel@nongnu.org; Fri, 26 May 2023 19:16:09 -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 1q2gfH-0007yr-Mo for qemu-devel@nongnu.org; Fri, 26 May 2023 19:16:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1685142966; 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=LJ3tIRghVTGtGSbknXYW2dEDkARv4jI3HvPsfK9z7FL7jiZQzXIi+aIG8l0PldbslC0o1+ rb2pF/naqASTRn0o4LDN5lQIVP6rcjsbrhkncLCjwDnjQSgzQayvphQ5Jynd9izXlZpU1b mfAiIEgZA2oxH/gOVBoQQxFwBZLJlQI= 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-227-658i01JjMOCa8covHj8yEQ-1; Fri, 26 May 2023 19:16:05 -0400 X-MC-Unique: 658i01JjMOCa8covHj8yEQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3AB1C8002BF; Fri, 26 May 2023 23:16:05 +0000 (UTC) Received: from omen.home.shazbot.org (unknown [10.22.10.168]) by smtp.corp.redhat.com (Postfix) with ESMTP id B51F740C1438; Fri, 26 May 2023 23:16:04 +0000 (UTC) From: Alex Williamson To: robin@streamhpc.com, mst@redhat.com, marcel.apfelbaum@gmail.com Cc: Alex Williamson , qemu-devel@nongnu.org, clg@redhat.com Subject: [RFC PATCH v2 1/4] linux-headers: Update for vfio capability reporting AtomicOps Date: Fri, 26 May 2023 17:15:55 -0600 Message-Id: <20230526231558.1660396-2-alex.williamson@redhat.com> In-Reply-To: <20230526231558.1660396-1-alex.williamson@redhat.com> References: <20230526231558.1660396-1-alex.williamson@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 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) -- 2.39.2