From patchwork Wed Mar 30 18:31:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 1611330 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Yz6fYtmq; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4KTGDC4LYSz9sG9 for ; Thu, 31 Mar 2022 06:08:11 +1100 (AEDT) Received: from localhost ([::1]:56680 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZdft-00034w-8q for incoming@patchwork.ozlabs.org; Wed, 30 Mar 2022 15:08:09 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49570) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZd74-0006lU-T4 for qemu-devel@nongnu.org; Wed, 30 Mar 2022 14:32:11 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:22217) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZd73-0006ZN-8O for qemu-devel@nongnu.org; Wed, 30 Mar 2022 14:32:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1648665128; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=hHzOVhbuDAldunZ9QcAku48EC7FHmGMGuqGVYEMagSk=; b=Yz6fYtmqL0MPMDjM4FyruNl561OpXtzpA9NHRLjHLo1XtSo4VYOREtPekyo/gQ8w/foilm fodjfOozIC9pu8gQwK8bpysa217migHKPkfrZ6D2AlCC4AMVp45Lxdd5oN83SoU4jp+e6X 8bq65VsPyJIqRbnl1xj0V89+Uz/GGp4= 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-672-ICGdRUjJMfOK0x3TmpICSg-1; Wed, 30 Mar 2022 14:32:05 -0400 X-MC-Unique: ICGdRUjJMfOK0x3TmpICSg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E4255811E90; Wed, 30 Mar 2022 18:32:04 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.195.10]) by smtp.corp.redhat.com (Postfix) with ESMTP id 26ED957ECED; Wed, 30 Mar 2022 18:32:02 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [RFC PATCH v3 12/19] vhost: Add vhost_iova_tree_find Date: Wed, 30 Mar 2022 20:31:09 +0200 Message-Id: <20220330183116.358598-13-eperezma@redhat.com> In-Reply-To: <20220330183116.358598-1-eperezma@redhat.com> References: <20220330183116.358598-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eperezma@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: , Cc: Laurent Vivier , Parav Pandit , Cindy Lu , "Michael S. Tsirkin" , Jason Wang , Cornelia Huck , Markus Armbruster , Gautam Dawar , Harpreet Singh Anand , Peter Xu , Eli Cohen , Paolo Bonzini , Zhu Lingshan , Eric Blake , Liuxiangdong Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Just a simple wrapper so we can find DMAMap entries based on iova Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-iova-tree.h | 2 ++ hw/virtio/vhost-iova-tree.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/hw/virtio/vhost-iova-tree.h b/hw/virtio/vhost-iova-tree.h index 6a4f24e0f9..1ffcdc5b57 100644 --- a/hw/virtio/vhost-iova-tree.h +++ b/hw/virtio/vhost-iova-tree.h @@ -19,6 +19,8 @@ VhostIOVATree *vhost_iova_tree_new(uint64_t iova_first, uint64_t iova_last); void vhost_iova_tree_delete(VhostIOVATree *iova_tree); G_DEFINE_AUTOPTR_CLEANUP_FUNC(VhostIOVATree, vhost_iova_tree_delete); +const DMAMap *vhost_iova_tree_find(const VhostIOVATree *iova_tree, + const DMAMap *map); const DMAMap *vhost_iova_tree_find_iova(const VhostIOVATree *iova_tree, const DMAMap *map); int vhost_iova_tree_map_alloc(VhostIOVATree *iova_tree, DMAMap *map); diff --git a/hw/virtio/vhost-iova-tree.c b/hw/virtio/vhost-iova-tree.c index 55fed1fefb..7d4e8ac499 100644 --- a/hw/virtio/vhost-iova-tree.c +++ b/hw/virtio/vhost-iova-tree.c @@ -56,6 +56,20 @@ void vhost_iova_tree_delete(VhostIOVATree *iova_tree) g_free(iova_tree); } +/** + * Find a mapping in the tree that matches map + * + * @iova_tree The iova tree + * @map The map + * + * Return a matching map that contains argument map or NULL + */ +const DMAMap *vhost_iova_tree_find(const VhostIOVATree *iova_tree, + const DMAMap *map) +{ + return iova_tree_find(iova_tree->iova_taddr_map, map); +} + /** * Find the IOVA address stored from a memory address *