%{
#include <linux/kernel.h>
#include <linux/linkage.h>
#include <linux/time.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/fcntl.h>
#include <linux/net.h>
#include <linux/in.h>
#include <linux/namei.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/nfs.h>
#include <linux/nfs4.h>
%}

function nfs4error:string(err:long) 
%{
	static struct {
		int nfserr;
		char *string;
	} nfs_errtbl[] = {
		{ NFS4_OK,		"Success"		},
		{ NFS4ERR_PERM,		"NFS4ERR_PERM"		},
		{ NFS4ERR_NOENT,	"NFS4ERR_NOENT"		},
		{ NFS4ERR_IO,		"NFS4ERR_IO"	},
		{ NFS4ERR_NXIO,		"NFS4ERR_NXIO"		},
		{ NFS4ERR_ACCESS,	"NFS4ERR_ACCESS"		},
		{ NFS4ERR_EXIST,	"NFS4ERR_EXIST"		},
		{ NFS4ERR_XDEV,		"NFS4ERR_XDEV"		},
		{ NFS4ERR_NOTDIR,	"NFS4ERR_NOTDIR"		},
		{ NFS4ERR_ISDIR,	"NFS4ERR_ISDIR"		},
		{ NFS4ERR_INVAL,	"NFS4ERR_INVAL"		},
		{ NFS4ERR_FBIG,		"NFS4ERR_FBIG"		},
		{ NFS4ERR_NOSPC,	"NFS4ERR_NOSPC"		},
		{ NFS4ERR_ROFS,		"NFS4ERR_ROFS"		},
		{ NFS4ERR_MLINK,	"NFS4ERR_MLINK"		},
		{ NFS4ERR_NAMETOOLONG,	"NFS4ERR_NAMETOOLONG"	},
		{ NFS4ERR_NOTEMPTY,	"NFS4ERR_NOTEMPTY"	},
		{ NFS4ERR_DQUOT,	"NFS4ERR_DQUOT"		},
		{ NFS4ERR_STALE,	"NFS4ERR_STALE"		},
		{ NFS4ERR_BADHANDLE,	"NFS4ERR_BADHANDLE"	},
		{ NFS4ERR_BADOWNER,	"NFS4ERR_BADOWNER"		},
		{ NFS4ERR_BADNAME,	"NFS4ERR_BADNAME"		},
		{ NFS4ERR_BAD_COOKIE,	"NFS4ERR_BAD_COOKIE"	},
		{ NFS4ERR_NOTSUPP,	"NFS4ERR_NOTSUPP"	},
		{ NFS4ERR_TOOSMALL,	"NFS4ERR_TOOSMALL"	},
		{ NFS4ERR_SERVERFAULT,	"NFS4ERR_SERVERFAULT"	},
		{ NFS4ERR_BADTYPE,	"NFS4ERR_BADTYPE"	},
		{ NFS4ERR_LOCKED,	"NFS4ERR_LOCKED"		},
		{ NFS4ERR_RESOURCE,	"NFS4ERR_RESOURCE"	},
		{ NFS4ERR_SYMLINK,	"NFS4ERR_SYMLINK"		},
		{ NFS4ERR_OP_ILLEGAL,	"NFS4ERR_OP_ILLEGAL"	},
		{ NFS4ERR_DEADLOCK,	"NFS4ERR_DEADLOCK"		},
		{ NFS4ERR_WRONGSEC,	"NFS4ERR_WRONGSEC"		}, /* FIXME: this needs
								* to be handled by a
								* middle-layer.
								*/
		{ -1,			"Bad Error Code"		}
	};
	int	i;
	int tabsz = (sizeof(nfs_errtbl)/sizeof(nfs_errtbl[0]));

	for (i = 0; i < tabsz; i++) {
		if (nfs_errtbl[i].nfserr == THIS->err) {
			break;
		}
	}
	if (i == tabsz)
		snprintf(THIS->__retvalue, MAXSTRINGLEN, "nfs4err %d", ntohl(THIS->err));
	else
		snprintf(THIS->__retvalue, MAXSTRINGLEN, 
			"nfs4err %d(%s)", nfs_errtbl[i].nfserr, nfs_errtbl[i].string);

%}