From patchwork Mon May 29 13:18:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hawkins Jiawei X-Patchwork-Id: 1787108 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20221208 header.b=rYWDFTau; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QVGMc6Ljxz20Py for ; Mon, 29 May 2023 23:19:24 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q3cle-0001k3-Re; Mon, 29 May 2023 09:18:34 -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 1q3cld-0001je-BP for qemu-devel@nongnu.org; Mon, 29 May 2023 09:18:33 -0400 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q3clb-0006QR-OV for qemu-devel@nongnu.org; Mon, 29 May 2023 09:18:33 -0400 Received: by mail-pf1-x435.google.com with SMTP id d2e1a72fcca58-64d2e8a842cso2473665b3a.3 for ; Mon, 29 May 2023 06:18:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685366310; x=1687958310; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=e4YOrohZ88Ljh4QERVmNsTb3e4rc0UijJsYXUhf2B1k=; b=rYWDFTauBBZOC7bBRYzSvf7BDpf6XmlkAwMZimr485LbRGlgAcb/qF64kt0ZLFZbU9 CV2pcMJA3Bp/+uuK/OUCnFSgtVA9KFkMdA5ELXheiC1LnRs3SpTS2gHs9DCk9zEkP8OB +4q+RC7Fn4RQIxMGq6Xr3UWWooRU0suAjAS6VLPUREvsl3RRlgbVp+nDwYUdHqijnlg9 aBV+vwGAdeMksv8ILGIjd0P9EmUD1X96zNeOUHPydjai/iT1KQd5X7Qkx4X1DCAWshAm Wrfy570RbD+8FsLM5IMKYzSMyQmtD8WmWpzzV3SJxmrgPcYc2ccZB8th11E9a8q+eefw iv/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685366310; x=1687958310; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=e4YOrohZ88Ljh4QERVmNsTb3e4rc0UijJsYXUhf2B1k=; b=TLgY9vmH6DyoxyV2y3sWGiWn2LBuy7enauG7IgAkcW0YPoXGW6ab/uDJNnIaGYLfyA EEf9BIjUizCuc7k0Y+K2ChG73yuEaIj+mBGym2QY9x/snIsAlRDODl76lgJRUyEKUWbC oXwZGoWgfs4DP0Zvm1fPWlFlP8nffh95U3xTPjbkD9gCurY+v4Qy3QOgWfDtmxfVO5w8 PSdifjQkbLUyde3VTZuzXSNSHGTeoXmikzKJwPwkdqy01C6C+X60WEuzAZ8EdBwpD+B+ OVtViCxodZi3edLYXZvT0OW1xOau+9Y2cFHptEs1AxjEO1Ix6H74YCnmrzxlL5CLy3re dcYQ== X-Gm-Message-State: AC+VfDyzuZ+U1toNOVxHLkNFaAy7odG9B3eruR5M/19NLAWsA1A5iHQh lukqOxII6rC4Pgab4k7OH7aHDJrqmliJZA== X-Google-Smtp-Source: ACHHUZ5hIdbCcD3NVwRvT4qmdaoPZRKPwlkoQ27cydAnctmF3kjh8dChxyocvEbBST9YoyAEwpbrbg== X-Received: by 2002:a17:902:db09:b0:1b0:3e2c:53cc with SMTP id m9-20020a170902db0900b001b03e2c53ccmr4291644plx.27.1685366310217; Mon, 29 May 2023 06:18:30 -0700 (PDT) Received: from localhost ([159.226.94.115]) by smtp.gmail.com with ESMTPSA id x7-20020a170902ec8700b001ab1cdb41d6sm8197975plg.235.2023.05.29.06.18.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 May 2023 06:18:29 -0700 (PDT) From: Hawkins Jiawei To: eperezma@redhat.com, Jason Wang Cc: yin31149@gmail.com, 18801353760@163.com, qemu-devel@nongnu.org Subject: [PATCH 1/2] vdpa: Add vhost_vdpa_net_load_offloads Date: Mon, 29 May 2023 21:18:21 +0800 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=yin31149@gmail.com; helo=mail-pf1-x435.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch introduces vhost_vdpa_net_load_offloads() to restore offloads state at device's startup. Signed-off-by: Hawkins Jiawei --- net/vhost-vdpa.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 37cdc84562..682c749b19 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -680,6 +680,28 @@ static int vhost_vdpa_net_load_mq(VhostVDPAState *s, return *s->status != VIRTIO_NET_OK; } +static int vhost_vdpa_net_load_offloads(VhostVDPAState *s, + const VirtIONet *n) +{ + uint64_t features, offloads; + ssize_t dev_written; + + features = n->parent_obj.guest_features; + if (!(features & BIT_ULL(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS))) { + return 0; + } + + offloads = cpu_to_le64(n->curr_guest_offloads); + dev_written = vhost_vdpa_net_load_cmd(s, VIRTIO_NET_CTRL_GUEST_OFFLOADS, + VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, + &offloads, sizeof(offloads)); + if (unlikely(dev_written < 0)) { + return dev_written; + } + + return *s->status != VIRTIO_NET_OK; +} + static int vhost_vdpa_net_load(NetClientState *nc) { VhostVDPAState *s = DO_UPCAST(VhostVDPAState, nc, nc); @@ -702,6 +724,10 @@ static int vhost_vdpa_net_load(NetClientState *nc) if (unlikely(r)) { return r; } + r = vhost_vdpa_net_load_offloads(s, n); + if (unlikely(r)) { + return r; + } return 0; }