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-rw-r--r--fs/nfsd/xdr.h173
1 files changed, 173 insertions, 0 deletions
diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h
new file mode 100644
index 000000000000..53b1863dd8f6
--- /dev/null
+++ b/fs/nfsd/xdr.h
@@ -0,0 +1,173 @@
+/* XDR types for nfsd. This is mainly a typing exercise. */
+
+#ifndef LINUX_NFSD_H
+#define LINUX_NFSD_H
+
+#include <linux/vfs.h>
+#include "nfsd.h"
+#include "nfsfh.h"
+
+struct nfsd_fhandle {
+ struct svc_fh fh;
+};
+
+struct nfsd_sattrargs {
+ struct svc_fh fh;
+ struct iattr attrs;
+};
+
+struct nfsd_diropargs {
+ struct svc_fh fh;
+ char * name;
+ unsigned int len;
+};
+
+struct nfsd_readargs {
+ struct svc_fh fh;
+ __u32 offset;
+ __u32 count;
+ int vlen;
+};
+
+struct nfsd_writeargs {
+ svc_fh fh;
+ __u32 offset;
+ int len;
+ int vlen;
+};
+
+struct nfsd_createargs {
+ struct svc_fh fh;
+ char * name;
+ unsigned int len;
+ struct iattr attrs;
+};
+
+struct nfsd_renameargs {
+ struct svc_fh ffh;
+ char * fname;
+ unsigned int flen;
+ struct svc_fh tfh;
+ char * tname;
+ unsigned int tlen;
+};
+
+struct nfsd_readlinkargs {
+ struct svc_fh fh;
+ char * buffer;
+};
+
+struct nfsd_linkargs {
+ struct svc_fh ffh;
+ struct svc_fh tfh;
+ char * tname;
+ unsigned int tlen;
+};
+
+struct nfsd_symlinkargs {
+ struct svc_fh ffh;
+ char * fname;
+ unsigned int flen;
+ char * tname;
+ unsigned int tlen;
+ struct iattr attrs;
+};
+
+struct nfsd_readdirargs {
+ struct svc_fh fh;
+ __u32 cookie;
+ __u32 count;
+ __be32 * buffer;
+};
+
+struct nfsd_attrstat {
+ struct svc_fh fh;
+ struct kstat stat;
+};
+
+struct nfsd_diropres {
+ struct svc_fh fh;
+ struct kstat stat;
+};
+
+struct nfsd_readlinkres {
+ int len;
+};
+
+struct nfsd_readres {
+ struct svc_fh fh;
+ unsigned long count;
+ struct kstat stat;
+};
+
+struct nfsd_readdirres {
+ int count;
+
+ struct readdir_cd common;
+ __be32 * buffer;
+ int buflen;
+ __be32 * offset;
+};
+
+struct nfsd_statfsres {
+ struct kstatfs stats;
+};
+
+/*
+ * Storage requirements for XDR arguments and results.
+ */
+union nfsd_xdrstore {
+ struct nfsd_sattrargs sattr;
+ struct nfsd_diropargs dirop;
+ struct nfsd_readargs read;
+ struct nfsd_writeargs write;
+ struct nfsd_createargs create;
+ struct nfsd_renameargs rename;
+ struct nfsd_linkargs link;
+ struct nfsd_symlinkargs symlink;
+ struct nfsd_readdirargs readdir;
+};
+
+#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
+
+
+int nfssvc_decode_void(struct svc_rqst *, __be32 *, void *);
+int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
+int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *,
+ struct nfsd_sattrargs *);
+int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *,
+ struct nfsd_diropargs *);
+int nfssvc_decode_readargs(struct svc_rqst *, __be32 *,
+ struct nfsd_readargs *);
+int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *,
+ struct nfsd_writeargs *);
+int nfssvc_decode_createargs(struct svc_rqst *, __be32 *,
+ struct nfsd_createargs *);
+int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *,
+ struct nfsd_renameargs *);
+int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *,
+ struct nfsd_readlinkargs *);
+int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *,
+ struct nfsd_linkargs *);
+int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *,
+ struct nfsd_symlinkargs *);
+int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *,
+ struct nfsd_readdirargs *);
+int nfssvc_encode_void(struct svc_rqst *, __be32 *, void *);
+int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *, struct nfsd_attrstat *);
+int nfssvc_encode_diropres(struct svc_rqst *, __be32 *, struct nfsd_diropres *);
+int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *, struct nfsd_readlinkres *);
+int nfssvc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd_readres *);
+int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *, struct nfsd_statfsres *);
+int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *, struct nfsd_readdirres *);
+
+int nfssvc_encode_entry(void *, const char *name,
+ int namlen, loff_t offset, u64 ino, unsigned int);
+
+int nfssvc_release_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
+
+/* Helper functions for NFSv2 ACL code */
+__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp);
+__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp);
+
+#endif /* LINUX_NFSD_H */