Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / lockd / xdr.h

diff --git a/kernel/include/linux/lockd/xdr.h b/kernel/include/linux/lockd/xdr.h
new file mode 100644 (file)
index 0000000..d39ed1c
--- /dev/null
+++ b/kernel/include/linux/lockd/xdr.h
@@ -0,0 +1,118 @@
+/*
+ * 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 SM_MAXSTRLEN           1024
+#define SM_PRIV_SIZE           16
+
+struct nsm_private {
+       unsigned char           data[SM_PRIV_SIZE];
+};
+
+struct svc_rqst;
+
+#define NLM_MAXCOOKIELEN       32
+#define NLM_MAXSTRLEN          1024
+
+#define        nlm_granted             cpu_to_be32(NLM_LCK_GRANTED)
+#define        nlm_lck_denied          cpu_to_be32(NLM_LCK_DENIED)
+#define        nlm_lck_denied_nolocks  cpu_to_be32(NLM_LCK_DENIED_NOLOCKS)
+#define        nlm_lck_blocked         cpu_to_be32(NLM_LCK_BLOCKED)
+#define        nlm_lck_denied_grace_period     cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD)
+
+#define nlm_drop_reply         cpu_to_be32(30000)
+
+/* Lock info passed via NLM */
+struct nlm_lock {
+       char *                  caller;
+       unsigned int            len;    /* length of "caller" */
+       struct nfs_fh           fh;
+       struct xdr_netobj       oh;
+       u32                     svid;
+       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;
+       __be32                  status;
+       struct nlm_lock         lock;
+};
+
+/*
+ * statd callback when client has rebooted
+ */
+struct nlm_reboot {
+       char                    *mon;
+       unsigned int            len;
+       u32                     state;
+       struct nsm_private      priv;
+};
+
+/*
+ * Contents of statd callback when monitored host rebooted
+ */
+#define NLMSVC_XDRSIZE         sizeof(struct nlm_args)
+
+int    nlmsvc_decode_testargs(struct svc_rqst *, __be32 *, struct nlm_args *);
+int    nlmsvc_encode_testres(struct svc_rqst *, __be32 *, struct nlm_res *);
+int    nlmsvc_decode_lockargs(struct svc_rqst *, __be32 *, struct nlm_args *);
+int    nlmsvc_decode_cancargs(struct svc_rqst *, __be32 *, struct nlm_args *);
+int    nlmsvc_decode_unlockargs(struct svc_rqst *, __be32 *, struct nlm_args *);
+int    nlmsvc_encode_res(struct svc_rqst *, __be32 *, struct nlm_res *);
+int    nlmsvc_decode_res(struct svc_rqst *, __be32 *, struct nlm_res *);
+int    nlmsvc_encode_void(struct svc_rqst *, __be32 *, void *);
+int    nlmsvc_decode_void(struct svc_rqst *, __be32 *, void *);
+int    nlmsvc_decode_shareargs(struct svc_rqst *, __be32 *, struct nlm_args *);
+int    nlmsvc_encode_shareres(struct svc_rqst *, __be32 *, struct nlm_res *);
+int    nlmsvc_decode_notify(struct svc_rqst *, __be32 *, struct nlm_args *);
+int    nlmsvc_decode_reboot(struct svc_rqst *, __be32 *, 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 */