From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8F86B42B9D; Thu, 25 May 2023 18:18:55 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3C50342FA0; Thu, 25 May 2023 18:17:15 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 172B542F90 for ; Thu, 25 May 2023 18:17:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1685031433; 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=hZIc54wQsoQo2oDzD8tMk/y1rjat5yw4yAF15DwczB8=; b=CpC0m+4+M39uc/CXjdaJdAeRTnNY1LtzqmHSLA/2xyAHe+686jVj+iV194E6Ta00W1UKFP CLrHRbczlFM5w7fH3ODmNC8HY5o+6JZIFCAK7NCTl+yDE/ODK3Qr3eemfYw44fHTDv0WV+ QjXTjdZwSm2ytIFr09d8oZEfuWLq2wQ= 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-665-2xqZowQ-PD2WK-iRMZwMcw-1; Thu, 25 May 2023 12:17:10 -0400 X-MC-Unique: 2xqZowQ-PD2WK-iRMZwMcw-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 9A625811E93; Thu, 25 May 2023 16:17:08 +0000 (UTC) Received: from max-t490s.redhat.com (unknown [10.39.208.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1B9EDC154D2; Thu, 25 May 2023 16:17:05 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, chenbo.xia@intel.com, david.marchand@redhat.com, mkp@redhat.com, fbl@redhat.com, jasowang@redhat.com, cunming.liang@intel.com, xieyongji@bytedance.com, echaudro@redhat.com, eperezma@redhat.com, amorenoz@redhat.com, lulu@redhat.com Cc: Maxime Coquelin Subject: [PATCH v2 25/28] vhost: add support for VDUSE IOTLB update event Date: Thu, 25 May 2023 18:15:47 +0200 Message-Id: <20230525161551.70002-26-maxime.coquelin@redhat.com> In-Reply-To: <20230525161551.70002-1-maxime.coquelin@redhat.com> References: <20230525161551.70002-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch adds support for VDUSE_UPDATE_IOTLB event handling, which consists in invaliding IOTLB entries for the range specified in the request. Signed-off-by: Maxime Coquelin --- lib/vhost/vduse.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c index 3bf65d4b8b..110654ec68 100644 --- a/lib/vhost/vduse.c +++ b/lib/vhost/vduse.c @@ -179,6 +179,13 @@ vduse_events_handler(int fd, void *arg, int *remove __rte_unused) dev->status = req.s.status; resp.result = VDUSE_REQ_RESULT_OK; break; + case VDUSE_UPDATE_IOTLB: + VHOST_LOG_CONFIG(dev->ifname, INFO, "\tIOVA range: %" PRIx64 " - %" PRIx64 "\n", + (uint64_t)req.iova.start, (uint64_t)req.iova.last); + vhost_user_iotlb_cache_remove(dev, req.iova.start, + req.iova.last - req.iova.start + 1); + resp.result = VDUSE_REQ_RESULT_OK; + break; default: resp.result = VDUSE_REQ_RESULT_FAILED; break; -- 2.40.1