Message ID | 20230418014037.2412394-6-drosen@google.com (mailing list archive) |
---|---|
State | Mainlined, archived |
Headers | show
Return-Path: <linux-fsdevel-owner@vger.kernel.org> 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 3799DC77B76 for <linux-fsdevel@archiver.kernel.org>; Tue, 18 Apr 2023 01:41:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230192AbjDRBlX (ORCPT <rfc822;linux-fsdevel@archiver.kernel.org>); Mon, 17 Apr 2023 21:41:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230197AbjDRBlP (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>); Mon, 17 Apr 2023 21:41:15 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5814D6585 for <linux-fsdevel@vger.kernel.org>; Mon, 17 Apr 2023 18:41:02 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-54feaa94819so79475097b3.2 for <linux-fsdevel@vger.kernel.org>; Mon, 17 Apr 2023 18:41:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1681782062; x=1684374062; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=lsQkf1cfcx1tPqZWAOmJuqvsGQVDqkZnL5eNvi6K+GA=; b=UQ9uxhJbkgCQxRon02p9V9Zp2euXuXeVILgWOJj+rbvZ3QD7E30qpSzuqQRtpHzIcs 8tnRPiCMZyAQmeuciCikVJLw4VTasapz/7TmXSqFJVxajgMpiDPL3jaC69UU0eF3Pmld suwPAwdtbxwHDIwMmZV1+ebFmsf+0c1mQqM0wqAbBAcWmTR/pu/B+pWRBe6CMDjEcF28 52pROSussOyzq+qdDWeLqKG/NteVXVxS9qOWASMLH+0EyOqr9kwiYoF84wPX73T5L1ct 9vIqWaFSNn9DOrA0aD+R+WbFQQl5+R6HM2rzlIC/vsjZJqWw523DmBw3bRNkdvwjG4sw pLVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681782062; x=1684374062; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lsQkf1cfcx1tPqZWAOmJuqvsGQVDqkZnL5eNvi6K+GA=; b=l78F4v7LR8HuEZlXSknTD0MwunWD4Zq7ASVYQ1UXvprJ6Hagi6364isNUiQRykqSuo 9/jLkpFSuI6WSs7zlYK0RXT3b+kyeAl2rKnU7MMoJS9rADXLtOGKbWl+2VWPyrcwAXcB dR/Tptll702Y1wiJnLQOT0mBFMCNEBa6BOFXvsfcX3I/YJsC7JhpTUyPPLzpIVEOhpp0 Ye9jfBI/kOOnPwMprr8eP+r2EhcnoCZfPKuDo68aDtxrUOAuQR8LzqvFabMH/ZP0tq/h YuFrBlLhvNy+hzPWu40IGhVl/O6hy/VHiN+tk+tP0Bs6GW0vVGbeU9hj5ZP3L4jZMac8 EkwA== X-Gm-Message-State: AAQBX9eiW4wF/aZ2vW/cQObSX7vAD+59/4g7paz6X5iyphz3WuscrZzN uTEi3N+kX37OBysvprUz3XTeH+SwR78= X-Google-Smtp-Source: AKy350ZwWg/HHOg0CI32Fv3NaozHYx5kISDmv+5KnVkQwLfS05n+gGaQY14q9hCSUWer05c4Oi37kCTsPHw= X-Received: from drosen.mtv.corp.google.com ([2620:15c:211:201:e67a:98b0:942d:86aa]) (user=drosen job=sendgmr) by 2002:a81:c406:0:b0:54d:913b:c9e8 with SMTP id j6-20020a81c406000000b0054d913bc9e8mr10100712ywi.5.1681782062021; Mon, 17 Apr 2023 18:41:02 -0700 (PDT) Date: Mon, 17 Apr 2023 18:40:05 -0700 In-Reply-To: <20230418014037.2412394-1-drosen@google.com> Mime-Version: 1.0 References: <20230418014037.2412394-1-drosen@google.com> X-Mailer: git-send-email 2.40.0.634.g4ca3ef3211-goog Message-ID: <20230418014037.2412394-6-drosen@google.com> Subject: [RFC PATCH v3 05/37] fuse-bpf: Update fuse side uapi From: Daniel Rosenberg <drosen@google.com> To: Miklos Szeredi <miklos@szeredi.hu>, bpf@vger.kernel.org, Alexei Starovoitov <ast@kernel.org> Cc: Amir Goldstein <amir73il@gmail.com>, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org, Daniel Borkmann <daniel@iogearbox.net>, John Fastabend <john.fastabend@gmail.com>, Andrii Nakryiko <andrii@kernel.org>, Martin KaFai Lau <martin.lau@linux.dev>, Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>, KP Singh <kpsingh@kernel.org>, Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>, Jonathan Corbet <corbet@lwn.net>, Joanne Koong <joannelkoong@gmail.com>, Mykola Lysenko <mykolal@fb.com>, kernel-team@android.com, Daniel Rosenberg <drosen@google.com>, Paul Lawrence <paullawrence@google.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: <linux-fsdevel.vger.kernel.org> X-Mailing-List: linux-fsdevel@vger.kernel.org |
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FUSE BPF: A Stacked Filesystem Extension for FUSE
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diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index 1b9d0dfae72d..04d96f34e9a1 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -607,6 +607,29 @@ struct fuse_entry_out { struct fuse_attr attr; }; +#define FUSE_BPF_MAX_ENTRIES 2 + +enum fuse_bpf_type { + FUSE_ENTRY_BACKING = 1, + FUSE_ENTRY_BPF = 2, + FUSE_ENTRY_REMOVE_BACKING = 3, + FUSE_ENTRY_REMOVE_BPF = 4, +}; + +#define BPF_FUSE_NAME_MAX 15 + +struct fuse_bpf_entry_out { + uint32_t entry_type; + uint32_t unused; + union { + struct { + uint64_t unused2; + uint64_t fd; + }; + char name[BPF_FUSE_NAME_MAX + 1]; + }; +}; + struct fuse_forget_in { uint64_t nlookup; };