From patchwork Wed Sep 13 15:27:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Breno Leitao X-Patchwork-Id: 13383321 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 37613EDEC73 for ; Wed, 13 Sep 2023 15:28:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229509AbjIMP2b (ORCPT ); Wed, 13 Sep 2023 11:28:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229475AbjIMP21 (ORCPT ); Wed, 13 Sep 2023 11:28:27 -0400 Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com [209.85.167.49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 794111BC9; Wed, 13 Sep 2023 08:28:23 -0700 (PDT) Received: by mail-lf1-f49.google.com with SMTP id 2adb3069b0e04-50098cc8967so11230224e87.1; Wed, 13 Sep 2023 08:28:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694618902; x=1695223702; 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=+vvxyHXTfiSW+8d09yTsLSiY7Ry74wlSEWGj/O1wQD8=; b=ID3aFaZrNBfatNHIcF2NhNrJIe4CRwfzK1LnEMS+UWByX5zZqaEFxRRYdSFrRwDwy+ aNW7Q1nsuGzP7dJtrYxscAaRZWHnl1APV8enrlZ+27UWhn9kJhcLGQkqe04OwN82OsFz Q/WgW9/28cKN3p5bpukpjCH3hrf9QDummyU6I6WZZuytCK5C/eWiN0XoiXTVv3tWrpSm niVoPVTPrrJY6a3lQEX6hzkiOK5QXk2on4NbZBT2rsO4aFolozc1+hDbzETk9a2QSClI 3y444Zr3BkgudiyHzsJnaBRZ6l4HZzPGzA27v1Kh1d/IZCEIfrv8AkuY/4hbEwV6RGSv 7CHA== X-Gm-Message-State: AOJu0YzIBropAgKvxi40wTJe7b3a4PHGDvxeLssJqbqSrvVWIghiazHG LmnAxa5125iMx11ingdvHho= X-Google-Smtp-Source: AGHT+IFkDHP8efksOvVhO+b094unbQdjltuvg/Q7103ZxOgGHV9iGnK7Ay3GrpY/UFr/gRMRmdwR2w== X-Received: by 2002:a05:6512:3e17:b0:4fe:676:8c0b with SMTP id i23-20020a0565123e1700b004fe06768c0bmr3139980lfv.11.1694618901572; Wed, 13 Sep 2023 08:28:21 -0700 (PDT) Received: from localhost (fwdproxy-cln-017.fbsv.net. [2a03:2880:31ff:11::face:b00c]) by smtp.gmail.com with ESMTPSA id oz13-20020a170906cd0d00b0098951bb4dc3sm8608469ejb.184.2023.09.13.08.28.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Sep 2023 08:28:21 -0700 (PDT) From: Breno Leitao To: sdf@google.com, axboe@kernel.dk, asml.silence@gmail.com, willemdebruijn.kernel@gmail.com, kuba@kernel.org, pabeni@redhat.com, martin.lau@linux.dev, krisman@suse.de Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, io-uring@vger.kernel.org Subject: [PATCH v6 3/8] io_uring/cmd: Pass compat mode in issue_flags Date: Wed, 13 Sep 2023 08:27:39 -0700 Message-Id: <20230913152744.2333228-4-leitao@debian.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230913152744.2333228-1-leitao@debian.org> References: <20230913152744.2333228-1-leitao@debian.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Create a new flag to track if the operation is running compat mode. This basically check the context->compat and pass it to the issue_flags, so, it could be queried later in the callbacks. Reviewed-by: Gabriel Krisman Bertazi Signed-off-by: Breno Leitao --- include/linux/io_uring.h | 1 + io_uring/uring_cmd.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index 106cdc55ff3b..bc53b35966ed 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -20,6 +20,7 @@ enum io_uring_cmd_flags { IO_URING_F_SQE128 = (1 << 8), IO_URING_F_CQE32 = (1 << 9), IO_URING_F_IOPOLL = (1 << 10), + IO_URING_F_COMPAT = (1 << 11), }; struct io_uring_cmd { diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index 537795fddc87..60f843a357e0 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -128,6 +128,8 @@ int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags) issue_flags |= IO_URING_F_SQE128; if (ctx->flags & IORING_SETUP_CQE32) issue_flags |= IO_URING_F_CQE32; + if (ctx->compat) + issue_flags |= IO_URING_F_COMPAT; if (ctx->flags & IORING_SETUP_IOPOLL) { if (!file->f_op->uring_cmd_iopoll) return -EOPNOTSUPP;