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 77EAAC433EF for ; Thu, 19 May 2022 19:20:56 +0000 (UTC) Received: from localhost ([::1]:60690 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nrlhf-0006P2-J3 for qemu-devel@archiver.kernel.org; Thu, 19 May 2022 15:20:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48034) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrlaW-0004hQ-S1 for qemu-devel@nongnu.org; Thu, 19 May 2022 15:13:32 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:24086) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrlaU-0006NQ-8d for qemu-devel@nongnu.org; Thu, 19 May 2022 15:13:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652987609; 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=HGLUuyN8p/qjIgHrhxRr4KqiZKh85xcQjvgst259VZI=; b=Tz9h0rslrdQlyuvK3VERhWY3sUlozVShcbazzhMN/wIKnrHXx3qWqkstpsSZtdU4QcJFW9 82P0ALYEOUwfm2AmDVtgs+E3Kb+XlYqIzsYicHA1CW/uvbqzzHvcJBDpQhU9xKGFv/cgXT 6N010ICENF5p0TBKJAkja1ovs12EVhE= 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-312-nCrZntL7MlKET406acRF6A-1; Thu, 19 May 2022 15:13:26 -0400 X-MC-Unique: nCrZntL7MlKET406acRF6A-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E2884101AA45; Thu, 19 May 2022 19:13:25 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.126]) by smtp.corp.redhat.com (Postfix) with ESMTP id 564A22026D6A; Thu, 19 May 2022 19:13:23 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Gautam Dawar , "Michael S. Tsirkin" , Markus Armbruster , "Gonglei (Arei)" , Harpreet Singh Anand , Cornelia Huck , Zhu Lingshan , Laurent Vivier , Eli Cohen , Paolo Bonzini , Liuxiangdong , Eric Blake , Cindy Lu , Jason Wang , Parav Pandit Subject: [RFC PATCH v8 05/21] vhost: Add vhost_iova_tree_find Date: Thu, 19 May 2022 21:12:50 +0200 Message-Id: <20220519191306.821774-6-eperezma@redhat.com> In-Reply-To: <20220519191306.821774-1-eperezma@redhat.com> References: <20220519191306.821774-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 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, 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" 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 67bf6d57ab..1a59894385 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 * -- 2.27.0