From patchwork Tue Aug 20 14:46:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 13770296 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3078A18E756 for ; Tue, 20 Aug 2024 14:46:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724165176; cv=none; b=uEt2yaf/3iMDq+o9Tty7WWvfuCxK8E/+O6FGfPW4qHuGQINeWK8OGtDsd3O4o4hvbBnlwhk5ZkpJMZqOJkr5SGRfJRIh1Mc/OxrnCtX3vQ4cAgJxKveAP0JFX8Z1G+7jwjBscf2ZrCuFlxewI/tnHSCWpLJBc/SXZhw1YQbta+E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724165176; c=relaxed/simple; bh=jBRVNnvPgUwO68iB/cumuw0JMjT4cxH8H+nfJosHijU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r2PUqJIgApO2Q5zELmgi97oVTneBqAOSF3o3CnQIgids4c8f65MMCPU0IPaI+jIhWgTbjkBPAIeqYNnullATz1HaB4RCHdF8vPo7J8xUb3/MpTzdtwxaIArqCyz/gDTjt+LEWRVubOP3o+2mlIzQeDu8Nbb6GiJIYn+Tx8RSv/w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=in+SsD8s; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="in+SsD8s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B520FC4AF0E; Tue, 20 Aug 2024 14:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724165176; bh=jBRVNnvPgUwO68iB/cumuw0JMjT4cxH8H+nfJosHijU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=in+SsD8sOapTkUGmIZhPzSGggN8JJiBjjv2f2wwoL5FhEHyWvSWFEq5Z6TtbuZDZm bv2aEwSI63VrpQZLOa07igbx6I5zKodH4XghJDf2MwY6pS5kY/eUBu2lVEOYv63BHS t9yNlSSS8B70Nr27+o0yrMK3WNWLZ7MoHf3AfqgK0mERZRRY6pbSe/25EjytGb0e7Q HB8+vchRAOJB8iMd7hGDwp1TbEQQuV4sdAXanO/R0u+Zvx3vyCQfgcHkyabM5h7QKs ypaTPzyWd19RuSvPIHW8vzY71J+7ya7qw5FeLxYx/+KFD1dy7L5iWjldHbk8UOfB8V sdRuthGkNvPLA== From: cel@kernel.org To: Cc: Chuck Lever Subject: [RFC PATCH 2/2] NFSD: Create an initial nfs4_1.x file Date: Tue, 20 Aug 2024 10:46:00 -0400 Message-ID: <20240820144600.189744-3-cel@kernel.org> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240820144600.189744-1-cel@kernel.org> References: <20240820144600.189744-1-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chuck Lever Build an NFSv4 protocol snippet to support the delstid extensions. The new fs/nfsd/nfs4_1.x file can be added to over time as other parts of NFSD's XDR functions are converted to machine-generated code. Signed-off-by: Chuck Lever --- fs/nfsd/nfs4_1.x | 164 +++++++++++++++++++++++++++++ fs/nfsd/nfs4xdr_gen.c | 236 ++++++++++++++++++++++++++++++++++++++++++ fs/nfsd/nfs4xdr_gen.h | 113 ++++++++++++++++++++ 3 files changed, 513 insertions(+) create mode 100644 fs/nfsd/nfs4_1.x create mode 100644 fs/nfsd/nfs4xdr_gen.c create mode 100644 fs/nfsd/nfs4xdr_gen.h diff --git a/fs/nfsd/nfs4_1.x b/fs/nfsd/nfs4_1.x new file mode 100644 index 000000000000..d2fde450de5e --- /dev/null +++ b/fs/nfsd/nfs4_1.x @@ -0,0 +1,164 @@ +/* + * Copyright (c) 2010 IETF Trust and the persons identified + * as the document authors. All rights reserved. + * + * The document authors are identified in RFC 3530 and + * RFC 5661. + * + * Redistribution and use in source and binary forms, with + * or without modification, are permitted provided that the + * following conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the + * following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * - Neither the name of Internet Society, IETF or IETF + * Trust, nor the names of specific contributors, may be + * used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +pragma header nfs4; + +/* + * Basic typedefs for RFC 1832 data type definitions + */ +typedef hyper int64_t; +typedef unsigned int uint32_t; + +/* + * Basic data types + */ +typedef uint32_t bitmap4<>; + +/* + * Timeval + */ +struct nfstime4 { + int64_t seconds; + uint32_t nseconds; +}; + + +/* + * The following content was extracted from draft-ietf-nfsv4-delstid + */ + +typedef bool fattr4_offline; + + +const FATTR4_OFFLINE = 83; + + +struct open_arguments4 { + bitmap4 oa_share_access; + bitmap4 oa_share_deny; + bitmap4 oa_share_access_want; + bitmap4 oa_open_claim; + bitmap4 oa_create_mode; +}; + + +enum open_args_share_access4 { + OPEN_ARGS_SHARE_ACCESS_READ = 1, + OPEN_ARGS_SHARE_ACCESS_WRITE = 2, + OPEN_ARGS_SHARE_ACCESS_BOTH = 3 +}; + + +enum open_args_share_deny4 { + OPEN_ARGS_SHARE_DENY_NONE = 0, + OPEN_ARGS_SHARE_DENY_READ = 1, + OPEN_ARGS_SHARE_DENY_WRITE = 2, + OPEN_ARGS_SHARE_DENY_BOTH = 3 +}; + + +enum open_args_share_access_want4 { + OPEN_ARGS_SHARE_ACCESS_WANT_ANY_DELEG = 3, + OPEN_ARGS_SHARE_ACCESS_WANT_NO_DELEG = 4, + OPEN_ARGS_SHARE_ACCESS_WANT_CANCEL = 5, + OPEN_ARGS_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL + = 17, + OPEN_ARGS_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED + = 18, + OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 20, + OPEN_ARGS_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 21 +}; + + +enum open_args_open_claim4 { + OPEN_ARGS_OPEN_CLAIM_NULL = 0, + OPEN_ARGS_OPEN_CLAIM_PREVIOUS = 1, + OPEN_ARGS_OPEN_CLAIM_DELEGATE_CUR = 2, + OPEN_ARGS_OPEN_CLAIM_DELEGATE_PREV = 3, + OPEN_ARGS_OPEN_CLAIM_FH = 4, + OPEN_ARGS_OPEN_CLAIM_DELEG_CUR_FH = 5, + OPEN_ARGS_OPEN_CLAIM_DELEG_PREV_FH = 6 +}; + + +enum open_args_createmode4 { + OPEN_ARGS_CREATEMODE_UNCHECKED4 = 0, + OPEN_ARGS_CREATE_MODE_GUARDED = 1, + OPEN_ARGS_CREATEMODE_EXCLUSIVE4 = 2, + OPEN_ARGS_CREATE_MODE_EXCLUSIVE4_1 = 3 +}; + + +typedef open_arguments4 fattr4_open_arguments; +pragma public fattr4_open_arguments; + + +%/* +% * Determine what OPEN supports. +% */ +const FATTR4_OPEN_ARGUMENTS = 86; + + +const OPEN4_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 0x200000; + + +const OPEN4_RESULT_NO_OPEN_STATEID = 0x00000010; + + +/* + * attributes for the delegation times being + * cached and served by the "client" + */ +typedef nfstime4 fattr4_time_deleg_access; +typedef nfstime4 fattr4_time_deleg_modify; + + +%/* +% * New RECOMMENDED Attribute for +% * delegation caching of times +% */ +const FATTR4_TIME_DELEG_ACCESS = 84; +const FATTR4_TIME_DELEG_MODIFY = 85; + + +const OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 0x100000; + diff --git a/fs/nfsd/nfs4xdr_gen.c b/fs/nfsd/nfs4xdr_gen.c new file mode 100644 index 000000000000..bb714859d6c6 --- /dev/null +++ b/fs/nfsd/nfs4xdr_gen.c @@ -0,0 +1,236 @@ +// SPDX-License-Identifier: GPL-2.0 +// Generated by xdrgen. Manual edits will be lost. +// XDR specification modification time: Mon Aug 19 23:28:23 2024 + +#include "nfs4xdr_gen.h" + +static bool __maybe_unused +xdrgen_decode_int64_t(struct xdr_stream *xdr, int64_t *ptr) +{ + return xdrgen_decode_hyper(xdr, ptr); +}; + +static bool __maybe_unused +xdrgen_decode_uint32_t(struct xdr_stream *xdr, uint32_t *ptr) +{ + return xdrgen_decode_unsigned_int(xdr, ptr); +}; + +static bool __maybe_unused +xdrgen_decode_bitmap4(struct xdr_stream *xdr, bitmap4 *ptr) +{ + if (xdr_stream_decode_u32(xdr, &ptr->count) < 0) + return false; + for (u32 i = 0; i < ptr->count; i++) + if (!xdrgen_decode_uint32_t(xdr, &ptr->element[i])) + return false; + return true; +}; + +static bool __maybe_unused +xdrgen_decode_nfstime4(struct xdr_stream *xdr, struct nfstime4 *ptr) +{ + if (!xdrgen_decode_int64_t(xdr, &ptr->seconds)) + return false; + if (!xdrgen_decode_uint32_t(xdr, &ptr->nseconds)) + return false; + return true; +}; + +static bool __maybe_unused +xdrgen_decode_fattr4_offline(struct xdr_stream *xdr, fattr4_offline *ptr) +{ + return xdrgen_decode_bool(xdr, ptr); +}; + +static bool __maybe_unused +xdrgen_decode_open_arguments4(struct xdr_stream *xdr, struct open_arguments4 *ptr) +{ + if (!xdrgen_decode_bitmap4(xdr, &ptr->oa_share_access)) + return false; + if (!xdrgen_decode_bitmap4(xdr, &ptr->oa_share_deny)) + return false; + if (!xdrgen_decode_bitmap4(xdr, &ptr->oa_share_access_want)) + return false; + if (!xdrgen_decode_bitmap4(xdr, &ptr->oa_open_claim)) + return false; + if (!xdrgen_decode_bitmap4(xdr, &ptr->oa_create_mode)) + return false; + return true; +}; + +static bool __maybe_unused +xdrgen_decode_open_args_share_access4(struct xdr_stream *xdr, enum open_args_share_access4 *ptr) +{ + u32 val; + + if (xdr_stream_decode_u32(xdr, &val) < 0) + return false; + *ptr = val; + return true; +} + +static bool __maybe_unused +xdrgen_decode_open_args_share_deny4(struct xdr_stream *xdr, enum open_args_share_deny4 *ptr) +{ + u32 val; + + if (xdr_stream_decode_u32(xdr, &val) < 0) + return false; + *ptr = val; + return true; +} + +static bool __maybe_unused +xdrgen_decode_open_args_share_access_want4(struct xdr_stream *xdr, enum open_args_share_access_want4 *ptr) +{ + u32 val; + + if (xdr_stream_decode_u32(xdr, &val) < 0) + return false; + *ptr = val; + return true; +} + +static bool __maybe_unused +xdrgen_decode_open_args_open_claim4(struct xdr_stream *xdr, enum open_args_open_claim4 *ptr) +{ + u32 val; + + if (xdr_stream_decode_u32(xdr, &val) < 0) + return false; + *ptr = val; + return true; +} + +static bool __maybe_unused +xdrgen_decode_open_args_createmode4(struct xdr_stream *xdr, enum open_args_createmode4 *ptr) +{ + u32 val; + + if (xdr_stream_decode_u32(xdr, &val) < 0) + return false; + *ptr = val; + return true; +} + +bool +xdrgen_decode_fattr4_open_arguments(struct xdr_stream *xdr, fattr4_open_arguments *ptr) +{ + return xdrgen_decode_open_arguments4(xdr, ptr); +}; + +static bool __maybe_unused +xdrgen_decode_fattr4_time_deleg_access(struct xdr_stream *xdr, fattr4_time_deleg_access *ptr) +{ + return xdrgen_decode_nfstime4(xdr, ptr); +}; + +static bool __maybe_unused +xdrgen_decode_fattr4_time_deleg_modify(struct xdr_stream *xdr, fattr4_time_deleg_modify *ptr) +{ + return xdrgen_decode_nfstime4(xdr, ptr); +}; + +static bool __maybe_unused +xdrgen_encode_int64_t(struct xdr_stream *xdr, const int64_t value) +{ + return xdrgen_encode_hyper(xdr, value); +}; + +static bool __maybe_unused +xdrgen_encode_uint32_t(struct xdr_stream *xdr, const uint32_t value) +{ + return xdrgen_encode_unsigned_int(xdr, value); +}; + +static bool __maybe_unused +xdrgen_encode_bitmap4(struct xdr_stream *xdr, const bitmap4 value) +{ + if (xdr_stream_encode_u32(xdr, value.count) != XDR_UNIT) + return false; + for (u32 i = 0; i < value.count; i++) + if (!xdrgen_encode_uint32_t(xdr, value.element[i])) + return false; + return true; +}; + +static bool __maybe_unused +xdrgen_encode_nfstime4(struct xdr_stream *xdr, const struct nfstime4 *value) +{ + if (!xdrgen_encode_int64_t(xdr, value->seconds)) + return false; + if (!xdrgen_encode_uint32_t(xdr, value->nseconds)) + return false; + return true; +}; + +static bool __maybe_unused +xdrgen_encode_fattr4_offline(struct xdr_stream *xdr, const fattr4_offline value) +{ + return xdrgen_encode_bool(xdr, value); +}; + +static bool __maybe_unused +xdrgen_encode_open_arguments4(struct xdr_stream *xdr, const struct open_arguments4 *value) +{ + if (!xdrgen_encode_bitmap4(xdr, value->oa_share_access)) + return false; + if (!xdrgen_encode_bitmap4(xdr, value->oa_share_deny)) + return false; + if (!xdrgen_encode_bitmap4(xdr, value->oa_share_access_want)) + return false; + if (!xdrgen_encode_bitmap4(xdr, value->oa_open_claim)) + return false; + if (!xdrgen_encode_bitmap4(xdr, value->oa_create_mode)) + return false; + return true; +}; + +static bool __maybe_unused +xdrgen_encode_open_args_share_access4(struct xdr_stream *xdr, enum open_args_share_access4 value) +{ + return xdr_stream_encode_u32(xdr, value) == XDR_UNIT; +} + +static bool __maybe_unused +xdrgen_encode_open_args_share_deny4(struct xdr_stream *xdr, enum open_args_share_deny4 value) +{ + return xdr_stream_encode_u32(xdr, value) == XDR_UNIT; +} + +static bool __maybe_unused +xdrgen_encode_open_args_share_access_want4(struct xdr_stream *xdr, enum open_args_share_access_want4 value) +{ + return xdr_stream_encode_u32(xdr, value) == XDR_UNIT; +} + +static bool __maybe_unused +xdrgen_encode_open_args_open_claim4(struct xdr_stream *xdr, enum open_args_open_claim4 value) +{ + return xdr_stream_encode_u32(xdr, value) == XDR_UNIT; +} + +static bool __maybe_unused +xdrgen_encode_open_args_createmode4(struct xdr_stream *xdr, enum open_args_createmode4 value) +{ + return xdr_stream_encode_u32(xdr, value) == XDR_UNIT; +} + +bool +xdrgen_encode_fattr4_open_arguments(struct xdr_stream *xdr, const fattr4_open_arguments value) +{ + return xdrgen_encode_open_arguments4(xdr, &value); +}; + +static bool __maybe_unused +xdrgen_encode_fattr4_time_deleg_access(struct xdr_stream *xdr, const fattr4_time_deleg_access value) +{ + return xdrgen_encode_nfstime4(xdr, &value); +}; + +static bool __maybe_unused +xdrgen_encode_fattr4_time_deleg_modify(struct xdr_stream *xdr, const fattr4_time_deleg_modify value) +{ + return xdrgen_encode_nfstime4(xdr, &value); +}; diff --git a/fs/nfsd/nfs4xdr_gen.h b/fs/nfsd/nfs4xdr_gen.h new file mode 100644 index 000000000000..27c601b36580 --- /dev/null +++ b/fs/nfsd/nfs4xdr_gen.h @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Generated by xdrgen. Manual edits will be lost. */ +/* XDR specification modification time: Mon Aug 19 23:28:23 2024 */ + +#ifndef _LINUX_NFS4_XDRGEN_H +#define _LINUX_NFS4_XDRGEN_H + +#include +#include + +#include + +typedef s64 int64_t; + +typedef u32 uint32_t; + +typedef struct { + u32 count; + uint32_t *element; +} bitmap4; + +struct nfstime4 { + int64_t seconds; + uint32_t nseconds; +}; + +typedef bool fattr4_offline; + +enum { + FATTR4_OFFLINE = 83 +}; + +struct open_arguments4 { + bitmap4 oa_share_access; + bitmap4 oa_share_deny; + bitmap4 oa_share_access_want; + bitmap4 oa_open_claim; + bitmap4 oa_create_mode; +}; + +enum open_args_share_access4 { + OPEN_ARGS_SHARE_ACCESS_READ = 1, + OPEN_ARGS_SHARE_ACCESS_WRITE = 2, + OPEN_ARGS_SHARE_ACCESS_BOTH = 3, +}; + +enum open_args_share_deny4 { + OPEN_ARGS_SHARE_DENY_NONE = 0, + OPEN_ARGS_SHARE_DENY_READ = 1, + OPEN_ARGS_SHARE_DENY_WRITE = 2, + OPEN_ARGS_SHARE_DENY_BOTH = 3, +}; + +enum open_args_share_access_want4 { + OPEN_ARGS_SHARE_ACCESS_WANT_ANY_DELEG = 3, + OPEN_ARGS_SHARE_ACCESS_WANT_NO_DELEG = 4, + OPEN_ARGS_SHARE_ACCESS_WANT_CANCEL = 5, + OPEN_ARGS_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL = 17, + OPEN_ARGS_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED = 18, + OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 20, + OPEN_ARGS_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 21, +}; + +enum open_args_open_claim4 { + OPEN_ARGS_OPEN_CLAIM_NULL = 0, + OPEN_ARGS_OPEN_CLAIM_PREVIOUS = 1, + OPEN_ARGS_OPEN_CLAIM_DELEGATE_CUR = 2, + OPEN_ARGS_OPEN_CLAIM_DELEGATE_PREV = 3, + OPEN_ARGS_OPEN_CLAIM_FH = 4, + OPEN_ARGS_OPEN_CLAIM_DELEG_CUR_FH = 5, + OPEN_ARGS_OPEN_CLAIM_DELEG_PREV_FH = 6, +}; + +enum open_args_createmode4 { + OPEN_ARGS_CREATEMODE_UNCHECKED4 = 0, + OPEN_ARGS_CREATE_MODE_GUARDED = 1, + OPEN_ARGS_CREATEMODE_EXCLUSIVE4 = 2, + OPEN_ARGS_CREATE_MODE_EXCLUSIVE4_1 = 3, +}; + +typedef struct open_arguments4 fattr4_open_arguments; +bool xdrgen_decode_fattr4_open_arguments(struct xdr_stream *xdr, fattr4_open_arguments *ptr); +bool xdrgen_encode_fattr4_open_arguments(struct xdr_stream *xdr, const fattr4_open_arguments value); + +enum { + FATTR4_OPEN_ARGUMENTS = 86 +}; + +enum { + OPEN4_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 0x200000 +}; + +enum { + OPEN4_RESULT_NO_OPEN_STATEID = 0x00000010 +}; + +typedef struct nfstime4 fattr4_time_deleg_access; + +typedef struct nfstime4 fattr4_time_deleg_modify; + +enum { + FATTR4_TIME_DELEG_ACCESS = 84 +}; + +enum { + FATTR4_TIME_DELEG_MODIFY = 85 +}; + +enum { + OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 0x100000 +}; + +#endif /* _LINUX_NFS4_XDRGEN_H */