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-rw-r--r--fs/nfsd/xdr3.h314
1 files changed, 314 insertions, 0 deletions
diff --git a/fs/nfsd/xdr3.h b/fs/nfsd/xdr3.h
new file mode 100644
index 000000000..03fe4e213
--- /dev/null
+++ b/fs/nfsd/xdr3.h
@@ -0,0 +1,314 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * XDR types for NFSv3 in nfsd.
+ *
+ * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef _LINUX_NFSD_XDR3_H
+#define _LINUX_NFSD_XDR3_H
+
+#include "xdr.h"
+
+struct nfsd3_sattrargs {
+ struct svc_fh fh;
+ struct iattr attrs;
+ int check_guard;
+ time64_t guardtime;
+};
+
+struct nfsd3_diropargs {
+ struct svc_fh fh;
+ char * name;
+ unsigned int len;
+};
+
+struct nfsd3_accessargs {
+ struct svc_fh fh;
+ __u32 access;
+};
+
+struct nfsd3_readargs {
+ struct svc_fh fh;
+ __u64 offset;
+ __u32 count;
+};
+
+struct nfsd3_writeargs {
+ svc_fh fh;
+ __u64 offset;
+ __u32 count;
+ int stable;
+ __u32 len;
+ struct xdr_buf payload;
+};
+
+struct nfsd3_createargs {
+ struct svc_fh fh;
+ char * name;
+ unsigned int len;
+ int createmode;
+ struct iattr attrs;
+ __be32 * verf;
+};
+
+struct nfsd3_mknodargs {
+ struct svc_fh fh;
+ char * name;
+ unsigned int len;
+ __u32 ftype;
+ __u32 major, minor;
+ struct iattr attrs;
+};
+
+struct nfsd3_renameargs {
+ struct svc_fh ffh;
+ char * fname;
+ unsigned int flen;
+ struct svc_fh tfh;
+ char * tname;
+ unsigned int tlen;
+};
+
+struct nfsd3_linkargs {
+ struct svc_fh ffh;
+ struct svc_fh tfh;
+ char * tname;
+ unsigned int tlen;
+};
+
+struct nfsd3_symlinkargs {
+ struct svc_fh ffh;
+ char * fname;
+ unsigned int flen;
+ char * tname;
+ unsigned int tlen;
+ struct iattr attrs;
+ struct kvec first;
+};
+
+struct nfsd3_readdirargs {
+ struct svc_fh fh;
+ __u64 cookie;
+ __u32 count;
+ __be32 * verf;
+};
+
+struct nfsd3_commitargs {
+ struct svc_fh fh;
+ __u64 offset;
+ __u32 count;
+};
+
+struct nfsd3_getaclargs {
+ struct svc_fh fh;
+ __u32 mask;
+};
+
+struct posix_acl;
+struct nfsd3_setaclargs {
+ struct svc_fh fh;
+ __u32 mask;
+ struct posix_acl *acl_access;
+ struct posix_acl *acl_default;
+};
+
+struct nfsd3_attrstat {
+ __be32 status;
+ struct svc_fh fh;
+ struct kstat stat;
+};
+
+/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
+struct nfsd3_diropres {
+ __be32 status;
+ struct svc_fh dirfh;
+ struct svc_fh fh;
+};
+
+struct nfsd3_accessres {
+ __be32 status;
+ struct svc_fh fh;
+ __u32 access;
+ struct kstat stat;
+};
+
+struct nfsd3_readlinkres {
+ __be32 status;
+ struct svc_fh fh;
+ __u32 len;
+ struct page **pages;
+};
+
+struct nfsd3_readres {
+ __be32 status;
+ struct svc_fh fh;
+ unsigned long count;
+ __u32 eof;
+ struct page **pages;
+};
+
+struct nfsd3_writeres {
+ __be32 status;
+ struct svc_fh fh;
+ unsigned long count;
+ int committed;
+ __be32 verf[2];
+};
+
+struct nfsd3_renameres {
+ __be32 status;
+ struct svc_fh ffh;
+ struct svc_fh tfh;
+};
+
+struct nfsd3_linkres {
+ __be32 status;
+ struct svc_fh tfh;
+ struct svc_fh fh;
+};
+
+struct nfsd3_readdirres {
+ /* Components of the reply */
+ __be32 status;
+ struct svc_fh fh;
+ __be32 verf[2];
+
+ /* Used to encode the reply's entry list */
+ struct xdr_stream xdr;
+ struct xdr_buf dirlist;
+ struct svc_fh scratch;
+ struct readdir_cd common;
+ unsigned int cookie_offset;
+ struct svc_rqst * rqstp;
+
+};
+
+struct nfsd3_fsstatres {
+ __be32 status;
+ struct kstatfs stats;
+ __u32 invarsec;
+};
+
+struct nfsd3_fsinfores {
+ __be32 status;
+ __u32 f_rtmax;
+ __u32 f_rtpref;
+ __u32 f_rtmult;
+ __u32 f_wtmax;
+ __u32 f_wtpref;
+ __u32 f_wtmult;
+ __u32 f_dtpref;
+ __u64 f_maxfilesize;
+ __u32 f_properties;
+};
+
+struct nfsd3_pathconfres {
+ __be32 status;
+ __u32 p_link_max;
+ __u32 p_name_max;
+ __u32 p_no_trunc;
+ __u32 p_chown_restricted;
+ __u32 p_case_insensitive;
+ __u32 p_case_preserving;
+};
+
+struct nfsd3_commitres {
+ __be32 status;
+ struct svc_fh fh;
+ __be32 verf[2];
+};
+
+struct nfsd3_getaclres {
+ __be32 status;
+ struct svc_fh fh;
+ int mask;
+ struct posix_acl *acl_access;
+ struct posix_acl *acl_default;
+ struct kstat stat;
+};
+
+/* dummy type for release */
+struct nfsd3_fhandle_pair {
+ __u32 dummy;
+ struct svc_fh fh1;
+ struct svc_fh fh2;
+};
+
+/*
+ * Storage requirements for XDR arguments and results.
+ */
+union nfsd3_xdrstore {
+ struct nfsd3_sattrargs sattrargs;
+ struct nfsd3_diropargs diropargs;
+ struct nfsd3_readargs readargs;
+ struct nfsd3_writeargs writeargs;
+ struct nfsd3_createargs createargs;
+ struct nfsd3_renameargs renameargs;
+ struct nfsd3_linkargs linkargs;
+ struct nfsd3_symlinkargs symlinkargs;
+ struct nfsd3_readdirargs readdirargs;
+ struct nfsd3_diropres diropres;
+ struct nfsd3_accessres accessres;
+ struct nfsd3_readlinkres readlinkres;
+ struct nfsd3_readres readres;
+ struct nfsd3_writeres writeres;
+ struct nfsd3_renameres renameres;
+ struct nfsd3_linkres linkres;
+ struct nfsd3_readdirres readdirres;
+ struct nfsd3_fsstatres fsstatres;
+ struct nfsd3_fsinfores fsinfores;
+ struct nfsd3_pathconfres pathconfres;
+ struct nfsd3_commitres commitres;
+ struct nfsd3_getaclres getaclres;
+};
+
+#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
+
+bool nfs3svc_decode_fhandleargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_sattrargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_diropargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_accessargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_readargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_writeargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_createargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_mkdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_mknodargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_renameargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_linkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_decode_commitargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+
+bool nfs3svc_encode_getattrres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_wccstat(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_lookupres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_accessres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_readlinkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_readres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_writeres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_createres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_renameres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_linkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_readdirres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_fsstatres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_pathconfres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs3svc_encode_commitres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+
+void nfs3svc_release_fhandle(struct svc_rqst *);
+void nfs3svc_release_fhandle2(struct svc_rqst *);
+
+void nfs3svc_encode_cookie3(struct nfsd3_readdirres *resp, u64 offset);
+int nfs3svc_encode_entry3(void *data, const char *name, int namlen,
+ loff_t offset, u64 ino, unsigned int d_type);
+int nfs3svc_encode_entryplus3(void *data, const char *name, int namlen,
+ loff_t offset, u64 ino, unsigned int d_type);
+/* Helper functions for NFSv3 ACL code */
+bool svcxdr_decode_nfs_fh3(struct xdr_stream *xdr, struct svc_fh *fhp);
+bool svcxdr_encode_nfsstat3(struct xdr_stream *xdr, __be32 status);
+bool svcxdr_encode_post_op_attr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
+ const struct svc_fh *fhp);
+
+#endif /* _LINUX_NFSD_XDR3_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 17:43:19 +0000