1 files changed, 108 insertions, 0 deletions
diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h
new file mode 100644
index 0000000..d7a5cc4
--- /dev/null
+++ b/include/linux/lockd/xdr.h
@@ -0,0 +1,108 @@
+/*
+ * linux/include/linux/lockd/xdr.h
+ *
+ * XDR types for the NLM protocol
+ *
+ * Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef LOCKD_XDR_H
+#define LOCKD_XDR_H
+
+#include <linux/fs.h>
+#include <linux/nfs.h>
+#include <linux/sunrpc/xdr.h>
+
+#define NLM_MAXCOOKIELEN    	32
+#define NLM_MAXSTRLEN		1024
+
+#define	nlm_granted		__constant_htonl(NLM_LCK_GRANTED)
+#define	nlm_lck_denied		__constant_htonl(NLM_LCK_DENIED)
+#define	nlm_lck_denied_nolocks	__constant_htonl(NLM_LCK_DENIED_NOLOCKS)
+#define	nlm_lck_blocked		__constant_htonl(NLM_LCK_BLOCKED)
+#define	nlm_lck_denied_grace_period	__constant_htonl(NLM_LCK_DENIED_GRACE_PERIOD)
+
+/* Lock info passed via NLM */
+struct nlm_lock {
+	char *			caller;
+	int			len; 	/* length of "caller" */
+	struct nfs_fh		fh;
+	struct xdr_netobj	oh;
+	struct file_lock	fl;
+};
+
+/*
+ *	NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
+ *	FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
+ *	32 bytes.
+ */
+ 
+struct nlm_cookie
+{
+	unsigned char data[NLM_MAXCOOKIELEN];
+	unsigned int len;
+};
+
+/*
+ * Generic lockd arguments for all but sm_notify
+ */
+struct nlm_args {
+	struct nlm_cookie	cookie;
+	struct nlm_lock		lock;
+	u32			block;
+	u32			reclaim;
+	u32			state;
+	u32			monitor;
+	u32			fsm_access;
+	u32			fsm_mode;
+};
+
+typedef struct nlm_args nlm_args;
+
+/*
+ * Generic lockd result
+ */
+struct nlm_res {
+	struct nlm_cookie	cookie;
+	u32			status;
+	struct nlm_lock		lock;
+};
+
+/*
+ * statd callback when client has rebooted
+ */
+struct nlm_reboot {
+	char *		mon;
+	int		len;
+	u32		state;
+	u32		addr;
+	u32		vers;
+	u32		proto;
+};
+
+/*
+ * Contents of statd callback when monitored host rebooted
+ */
+#define NLMSVC_XDRSIZE		sizeof(struct nlm_args)
+
+int	nlmsvc_decode_testargs(struct svc_rqst *, u32 *, struct nlm_args *);
+int	nlmsvc_encode_testres(struct svc_rqst *, u32 *, struct nlm_res *);
+int	nlmsvc_decode_lockargs(struct svc_rqst *, u32 *, struct nlm_args *);
+int	nlmsvc_decode_cancargs(struct svc_rqst *, u32 *, struct nlm_args *);
+int	nlmsvc_decode_unlockargs(struct svc_rqst *, u32 *, struct nlm_args *);
+int	nlmsvc_encode_res(struct svc_rqst *, u32 *, struct nlm_res *);
+int	nlmsvc_decode_res(struct svc_rqst *, u32 *, struct nlm_res *);
+int	nlmsvc_encode_void(struct svc_rqst *, u32 *, void *);
+int	nlmsvc_decode_void(struct svc_rqst *, u32 *, void *);
+int	nlmsvc_decode_shareargs(struct svc_rqst *, u32 *, struct nlm_args *);
+int	nlmsvc_encode_shareres(struct svc_rqst *, u32 *, struct nlm_res *);
+int	nlmsvc_decode_notify(struct svc_rqst *, u32 *, struct nlm_args *);
+int	nlmsvc_decode_reboot(struct svc_rqst *, u32 *, struct nlm_reboot *);
+/*
+int	nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *);
+int	nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
+int	nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *);
+int	nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
+ */
+
+#endif /* LOCKD_XDR_H */