From patchwork Mon Oct 16 13:47:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Breno Leitao X-Patchwork-Id: 13423447 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 85D2928E0D; Mon, 16 Oct 2023 14:01:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-ed1-f42.google.com (mail-ed1-f42.google.com [209.85.208.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 037ECE3; Mon, 16 Oct 2023 07:01:45 -0700 (PDT) Received: by mail-ed1-f42.google.com with SMTP id 4fb4d7f45d1cf-523100882f2so7633308a12.2; Mon, 16 Oct 2023 07:01:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697464903; x=1698069703; 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=VMTVz0v3sd6CbNeaWSc/IAFY8fAG0gp37H36LBoCuEY=; b=HgMGfVmEq4HtnYPh+fovghJbeoV2Wv46wCW1O0AjIUeN/CYoXFgFJVB6hHMesbxj0I RF2gQW1X69ra/yxsheRemdJ+2tmMbPz6IZrL1Pp0dm/8U/bA/Uhh3j90U7VSmILtazOv K4XLYPWt9+zzkinKDzxlecIiVNZX8aLTrXVaM5en8qReWVXBzeyW9MJI4SoO2zGmmxaP MF9ZdPbhcPtT8SkLIIJhd+17/9GJwKalyxcD2z4lZJz6XBcGJAaE8A6QO7mccJv+lc7l CqZXEG9rxgwXi0ZdU5fKZODpe2pBUPgsl5qKUqx3/T0Oxg2GfiYatJ7mSbGWZ7y56yU9 YdoA== X-Gm-Message-State: AOJu0YzcSbSVRpHEEg2DEZxuAZFRI+6GXNUvrGt2m+A6O7tnNHqCTxLw 9GevXmQ8h6dXEW9c69u2BLI= X-Google-Smtp-Source: AGHT+IGGw8pWYeUP4kPNXFpNNDHaQySfWE7Hr5VNG/1M9aHu6uc+ou050XkJAQBc24YjTpyU/sylTw== X-Received: by 2002:a17:907:8b8c:b0:9a2:28dc:4166 with SMTP id tb12-20020a1709078b8c00b009a228dc4166mr32176684ejc.75.1697464903116; Mon, 16 Oct 2023 07:01:43 -0700 (PDT) Received: from localhost (fwdproxy-cln-016.fbsv.net. [2a03:2880:31ff:10::face:b00c]) by smtp.gmail.com with ESMTPSA id gx11-20020a1709068a4b00b0099290e2c163sm4040171ejc.204.2023.10.16.07.01.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Oct 2023 07:01:42 -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 v7 05/11] io_uring/cmd: Pass compat mode in issue_flags Date: Mon, 16 Oct 2023 06:47:43 -0700 Message-Id: <20231016134750.1381153-6-leitao@debian.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231016134750.1381153-1-leitao@debian.org> References: <20231016134750.1381153-1-leitao@debian.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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. Signed-off-by: Breno Leitao Reviewed-by: Gabriel Krisman Bertazi --- 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 b4391e0a9bc8..aefb73eeeebf 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -23,6 +23,7 @@ enum io_uring_cmd_flags { /* set when uring wants to cancel a previously issued command */ IO_URING_F_CANCEL = (1 << 11), + IO_URING_F_COMPAT = (1 << 12), }; /* only top 8 bits of sqe->uring_cmd_flags for kernel internal use */ diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index 00a5e5621a28..4bedd633c08c 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -175,6 +175,8 @@ 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;