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SubjectREPOST patch 35/38: SERVER: header file for NFSv4 XDR

Instantiate a new file include/linux/nfsd/xdr4.h (server-side XDR for
NFSv4).

--- old/include/linux/nfsd/xdr4.h Sun Aug 11 23:14:31 2002
+++ new/include/linux/nfsd/xdr4.h Sun Aug 11 23:14:40 2002
@@ -0,0 +1,300 @@
+/*
+ * include/linux/nfsd/xdr4.h
+ *
+ * Server-side types for NFSv4.
+ *
+ * Copyright (c) 2002 The Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Kendrick Smith <kmsmith@umich.edu>
+ * Andy Adamson <andros@umich.edu>
+ */
+
+#ifndef _LINUX_NFSD_XDR4_H
+#define _LINUX_NFSD_XDR4_H
+
+#define NFSD4_MAX_TAGLEN 128
+
+typedef struct {
+ u32 cl_boot;
+ u32 cl_id;
+} clientid_t;
+
+typedef u32 stateid_boot_t; /* used to detect stale stateids */
+typedef u32 stateid_lockowner_t; /* lockowner id - used in various places */
+typedef u32 stateid_file_t; /* identifies a unique file per lockowner */
+typedef u32 stateid_generation_t; /* used to update stateids */
+
+typedef struct {
+ stateid_boot_t so_boot;
+ stateid_lockowner_t so_lockowner;
+ stateid_file_t so_file;
+} stateid_other_t;
+
+typedef struct {
+ stateid_generation_t st_generation;
+ stateid_other_t st_other;
+} stateid_t;
+
+typedef u32 delegation_zero_t;
+typedef u32 delegation_boot_t;
+typedef u64 delegation_id_t;
+
+typedef struct {
+ delegation_zero_t ds_zero;
+ delegation_boot_t ds_boot;
+ delegation_id_t ds_id;
+} delegation_stateid_t;
+
+struct nfsd4_change_info {
+ u32 atomic;
+ u32 before_size;
+ u32 before_ctime;
+ u32 after_size;
+ u32 after_ctime;
+};
+
+struct nfsd4_access {
+ u32 ac_req_access; /* request */
+ u32 ac_supported; /* response */
+ u32 ac_resp_access; /* response */
+};
+
+struct nfsd4_close {
+ u32 cl_seqid; /* request */
+ stateid_t cl_stateid; /* request+response */
+};
+
+struct nfsd4_commit {
+ u64 co_offset; /* request */
+ u32 co_count; /* request */
+ nfs4_verifier co_verf; /* response */
+};
+
+struct nfsd4_create {
+ u32 cr_namelen; /* request */
+ char * cr_name; /* request */
+ u32 cr_type; /* request */
+ union { /* request */
+ struct {
+ u32 namelen;
+ char *name;
+ } link; /* NF4LNK */
+ struct {
+ u32 specdata1;
+ u32 specdata2;
+ } dev; /* NF4BLK, NF4CHR */
+ } u;
+ u32 cr_bmval[2]; /* request */
+ struct iattr cr_iattr; /* request */
+ struct nfsd4_change_info cr_cinfo; /* response */
+};
+#define cr_linklen u.link.namelen
+#define cr_linkname u.link.name
+#define cr_specdata1 u.dev.specdata1
+#define cr_specdata2 u.dev.specdata2
+
+struct nfsd4_getattr {
+ u32 ga_bmval[2]; /* request */
+ struct svc_fh *ga_fhp; /* response */
+};
+
+struct nfsd4_link {
+ u32 li_namelen; /* request */
+ char * li_name; /* request */
+ struct nfsd4_change_info li_cinfo; /* response */
+};
+
+struct nfsd4_lookup {
+ u32 lo_len; /* request */
+ char * lo_name; /* request */
+};
+
+struct nfsd4_putfh {
+ u32 pf_fhlen; /* request */
+ char *pf_fhval; /* request */
+};
+
+struct nfsd4_open {
+ u32 op_claim_type; /* request */
+ u32 op_namelen; /* request - everything but CLAIM_PREV */
+ char * op_name; /* request - everything but CLAIM_PREV */
+ u32 op_delegate_type; /* request - CLAIM_PREV only */
+ delegation_stateid_t op_delegate_stateid; /* request - CLAIM_DELEGATE_CUR only */
+ u32 op_create; /* request */
+ u32 op_createmode; /* request */
+ u32 op_bmval[2]; /* request */
+ union { /* request */
+ struct iattr iattr; /* UNCHECKED4,GUARDED4 */
+ nfs4_verifier verf; /* EXCLUSIVE4 */
+ } u;
+ clientid_t op_clientid; /* request */
+ u32 op_ownerlen; /* request */
+ char * op_owner; /* request */
+ u32 op_seqid; /* request */
+ u32 op_share_access; /* request */
+ u32 op_share_deny; /* request */
+ stateid_t op_stateid; /* response */
+ struct nfsd4_change_info op_cinfo; /* response */
+ u32 op_rflags; /* response */
+ int op_truncate; /* used during processing */
+
+};
+#define op_iattr u.iattr
+#define op_verf u.verf
+
+struct nfsd4_read {
+ stateid_t rd_stateid; /* request */
+ u64 rd_offset; /* request */
+ u32 rd_length; /* request */
+ struct svc_rqst *rd_rqstp; /* response */
+ struct svc_fh * rd_fhp; /* response */
+};
+
+struct nfsd4_readdir {
+ u64 rd_cookie; /* request */
+ nfs4_verifier rd_verf; /* request */
+ u32 rd_dircount; /* request */
+ u32 rd_maxcount; /* request */
+ u32 rd_bmval[2]; /* request */
+ struct svc_rqst *rd_rqstp; /* response */
+ struct svc_fh * rd_fhp; /* response */
+};
+
+struct nfsd4_readlink {
+ struct svc_rqst *rl_rqstp; /* request */
+ struct svc_fh * rl_fhp; /* request */
+};
+
+struct nfsd4_remove {
+ u32 rm_namelen; /* request */
+ char * rm_name; /* request */
+ struct nfsd4_change_info rm_cinfo; /* response */
+};
+
+struct nfsd4_rename {
+ u32 rn_snamelen; /* request */
+ char * rn_sname; /* request */
+ u32 rn_tnamelen; /* request */
+ char * rn_tname; /* request */
+ struct nfsd4_change_info rn_sinfo; /* response */
+ struct nfsd4_change_info rn_tinfo; /* response */
+};
+
+struct nfsd4_setattr {
+ stateid_t sa_stateid; /* request */
+ u32 sa_bmval[2]; /* request */
+ struct iattr sa_iattr; /* request */
+};
+
+struct nfsd4_setclientid {
+ nfs4_verifier se_verf; /* request */
+ u32 se_namelen; /* request */
+ char * se_name; /* request */
+ u32 se_callback_prog; /* request */
+ u32 se_callback_netid_len; /* request */
+ char * se_callback_netid_val; /* request */
+ u32 se_callback_addr_len; /* request */
+ char * se_callback_addr_val; /* request */
+ u32 se_callback_ident; /* request */
+ clientid_t se_clientid; /* response */
+};
+
+/* also used for NVERIFY */
+struct nfsd4_verify {
+ u32 ve_bmval[2]; /* request */
+ u32 ve_attrlen; /* request */
+ char * ve_attrval; /* request */
+};
+
+struct nfsd4_write {
+ stateid_t wr_stateid; /* request */
+ u64 wr_offset; /* request */
+ u32 wr_stable_how; /* request */
+ u32 wr_buflen; /* request */
+ char * wr_buf; /* request */
+ u32 wr_bytes_written; /* response */
+ u32 wr_how_written; /* response */
+ nfs4_verifier wr_verifier; /* response */
+};
+
+struct nfsd4_op {
+ int opnum;
+ int status;
+ union {
+ struct nfsd4_access access;
+ struct nfsd4_close close;
+ struct nfsd4_commit commit;
+ struct nfsd4_create create;
+ struct nfsd4_getattr getattr;
+ struct svc_fh * getfh;
+ struct nfsd4_link link;
+ struct nfsd4_lookup lookup;
+ struct nfsd4_verify nverify;
+ struct nfsd4_open open;
+ struct nfsd4_putfh putfh;
+ struct nfsd4_read read;
+ struct nfsd4_readdir readdir;
+ struct nfsd4_readlink readlink;
+ struct nfsd4_remove remove;
+ struct nfsd4_rename rename;
+ clientid_t renew;
+ struct nfsd4_setattr setattr;
+ struct nfsd4_setclientid setclientid;
+ clientid_t setclientid_confirm;
+ struct nfsd4_verify verify;
+ struct nfsd4_write write;
+ } u;
+};
+
+struct nfsd4_compoundargs {
+ /* scratch variables for XDR decode */
+ u32 * p;
+ u32 * end;
+
+ u32 taglen;
+ char * tag;
+ u32 minorversion;
+ u32 opcnt;
+ struct nfsd4_op *ops;
+ struct nfsd4_op iops[8];
+};
+
+struct nfsd4_compoundres {
+ /* scratch variables for XDR encode */
+ u32 * p;
+ u32 * end;
+
+ u32 taglen;
+ char * tag;
+ u32 opcnt;
+};
+
+#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
+
+static inline void
+set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
+{
+ BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
+ cinfo->atomic = 1;
+ cinfo->before_size = fhp->fh_pre_size;
+ cinfo->before_ctime = fhp->fh_pre_ctime;
+ cinfo->after_size = fhp->fh_post_size;
+ cinfo->after_ctime = fhp->fh_post_ctime;
+}
+
+int nfs4svc_encode_voidres(struct svc_rqst *, u32 *, void *);
+int nfs4svc_decode_compoundargs(struct svc_rqst *, u32 *, struct nfsd4_compoundargs *);
+int nfs4svc_encode_compoundres(struct svc_rqst *, u32 *, struct nfsd4_compoundres *);
+
+void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
+int nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
+ struct dentry *dentry, u32 *buffer, int *countp, u32 *bmval);
+
+#endif
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
-
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