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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56003C00140 for ; Wed, 10 Aug 2022 15:51:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232187AbiHJPvy (ORCPT ); Wed, 10 Aug 2022 11:51:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231687AbiHJPvm (ORCPT ); Wed, 10 Aug 2022 11:51:42 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDD724C617; Wed, 10 Aug 2022 08:51:40 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id bv3so18211594wrb.5; Wed, 10 Aug 2022 08:51:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=RS63Hb0HKwQLj+yY8E+g8nWuxDYTXWs65j0+OKPH1OE=; b=ZQdOMbpO/VHyANe5mleak9CanXYG2CBuqoaXodVPqSxfN0jYX3Wpv/vcb6iubMBW1u 4Ble+mSyTPc7xm8K/FN13yhEm7K3hDV1my/RtaOdys3+jH8lzdROVrs3yday1zidVe+x bMEKgzVG6yfs6m4/lp21crX1YCY0qdX1LO/SN3r1GTpQB97R7NYdjhtr4vcyw0X1MhlZ Rsr3NqzS5od350DfBp0/rWIgXTPVwoJA57tT5sN5ssmtZG7YNPmWvIuqmqqLbLD3mFiz LM3JoK9cwamnuJVbkAxMoi+VNXdtwhLPXE2PCWt/23HgKhwIUuswHMgcOCy1QLV1mNAn Xu2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=RS63Hb0HKwQLj+yY8E+g8nWuxDYTXWs65j0+OKPH1OE=; b=X2vFMomXGDOwWZ+7D9vzD4/w+Cdz9e9ao4ouwVdY0iSrp454nW7gGRDMIaIIJnL0Zw DB19kKAhXYO5YD+GwCmu3IT+UiDhxR1t9nxhks+Gazino8z8qwGl5AX0LLn3HIsE38Ko WI019uls1D1ZZuLb2ENgtb1IuYs5D/I7NF5FT/C0K1PMP1DCi45WuECxM2JTUktlR/Ry 4WUtk1zQ+PcxwQnkfeKLL5hN3xJI0pXDP+rEv84l0Y8Es9Uw5lXRxReIJhEqDJgxeBZ+ 6+eJZct4tJoVFAPIB3FafyqUdSWKuZpKFbCZXdfd41rauCidMJJPG3njtlkoem6OSlHX /rWg== X-Gm-Message-State: ACgBeo1vNFjBUpYM3+sGv98bHJfQo5xses+P9BBJL39T+F52ZJCyee6Y cqLy69RCJReRNZU1NxfEDmIn90inKbw= X-Google-Smtp-Source: AA6agR4m7a1ZpBafnXxHxc3Qgb+mIUi9eJAFTWTIHDXvxrcaOuXHorpWp86zCAS5S/bxu6e6MTh00Q== X-Received: by 2002:a5d:64aa:0:b0:21e:be27:6dfb with SMTP id m10-20020a5d64aa000000b0021ebe276dfbmr18180217wrp.456.1660146698952; Wed, 10 Aug 2022 08:51:38 -0700 (PDT) Received: from 127.0.0.1localhost (188.28.126.24.threembb.co.uk. [188.28.126.24]) by smtp.gmail.com with ESMTPSA id ay1-20020a05600c1e0100b003a342933727sm3004519wmb.3.2022.08.10.08.51.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 08:51:38 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org, netdev@vger.kernel.org Cc: Jens Axboe , "David S . Miller" , Jakub Kicinski , kernel-team@fb.com, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, Wei Liu , Paul Durrant , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, "Michael S . Tsirkin" , Jason Wang , Pavel Begunkov Subject: [RFC net-next io_uring 02/11] xen/netback: use struct ubuf_info_msgzc Date: Wed, 10 Aug 2022 16:49:10 +0100 Message-Id: <9d13d0d17d672ce55a3d5cfd06d5c521270a7d4d.1660124059.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.37.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org struct ubuf_info will be changed, use ubuf_info_msgzc instead. Signed-off-by: Pavel Begunkov --- drivers/net/xen-netback/common.h | 2 +- drivers/net/xen-netback/interface.c | 4 ++-- drivers/net/xen-netback/netback.c | 7 ++++--- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 8174d7b2966c..1545cbee77a4 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -62,7 +62,7 @@ struct pending_tx_info { * ubuf_to_vif is a helper which finds the struct xenvif from a pointer * to this field. */ - struct ubuf_info callback_struct; + struct ubuf_info_msgzc callback_struct; }; #define XEN_NETIF_TX_RING_SIZE __CONST_RING_SIZE(xen_netif_tx, XEN_PAGE_SIZE) diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index fb32ae82d9b0..e579ecd40b74 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -591,8 +591,8 @@ int xenvif_init_queue(struct xenvif_queue *queue) } for (i = 0; i < MAX_PENDING_REQS; i++) { - queue->pending_tx_info[i].callback_struct = (struct ubuf_info) - { .callback = xenvif_zerocopy_callback, + queue->pending_tx_info[i].callback_struct = (struct ubuf_info_msgzc) + { { .callback = xenvif_zerocopy_callback }, { { .ctx = NULL, .desc = i } } }; queue->grant_tx_handle[i] = NETBACK_INVALID_HANDLE; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index a256695fc89e..3d2081bbbc86 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -133,7 +133,7 @@ static inline unsigned long idx_to_kaddr(struct xenvif_queue *queue, /* Find the containing VIF's structure from a pointer in pending_tx_info array */ -static inline struct xenvif_queue *ubuf_to_queue(const struct ubuf_info *ubuf) +static inline struct xenvif_queue *ubuf_to_queue(const struct ubuf_info_msgzc *ubuf) { u16 pending_idx = ubuf->desc; struct pending_tx_info *temp = @@ -1228,11 +1228,12 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) return work_done; } -void xenvif_zerocopy_callback(struct sk_buff *skb, struct ubuf_info *ubuf, +void xenvif_zerocopy_callback(struct sk_buff *skb, struct ubuf_info *ubuf_base, bool zerocopy_success) { unsigned long flags; pending_ring_idx_t index; + struct ubuf_info_msgzc *ubuf = uarg_to_msgzc(ubuf_base); struct xenvif_queue *queue = ubuf_to_queue(ubuf); /* This is the only place where we grab this lock, to protect callbacks @@ -1241,7 +1242,7 @@ void xenvif_zerocopy_callback(struct sk_buff *skb, struct ubuf_info *ubuf, spin_lock_irqsave(&queue->callback_lock, flags); do { u16 pending_idx = ubuf->desc; - ubuf = (struct ubuf_info *) ubuf->ctx; + ubuf = (struct ubuf_info_msgzc *) ubuf->ctx; BUG_ON(queue->dealloc_prod - queue->dealloc_cons >= MAX_PENDING_REQS); index = pending_index(queue->dealloc_prod); -- 2.37.0