From: Chuck Lever <chuck.lever@xxxxxxxxxx>
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 <chuck.lever@xxxxxxxxxx>
---
fs/nfsd/nfs4_1.x | 164 +++++++++++++++++++++++++++++
fs/nfsd/nfs4xdr_gen.c | 236 ++++++++++++++++++++++++++++++++++++++++++
fs/nfsd/nfs4xdr_gen.h | 100 ++++++++++++++++++
3 files changed, 500 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..2503f58f2f47
--- /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: Tue Aug 27 12:10:19 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..edcc052626de
--- /dev/null
+++ b/fs/nfsd/nfs4xdr_gen.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Generated by xdrgen. Manual edits will be lost. */
+/* XDR specification modification time: Tue Aug 27 12:10:19 2024 */
+
+#ifndef _LINUX_NFS4_XDRGEN_H
+#define _LINUX_NFS4_XDRGEN_H
+
+#include <linux/types.h>
+#include <linux/sunrpc/svc.h>
+
+#include <linux/sunrpc/xdrgen-builtins.h>
+
+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 */
--
2.45.2
