Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/kernel/include/linux/sunrpc/svcsock.h b/kernel/include/linux/sunrpc/svcsock.h
new file mode 100644
index 000000000..2e780134f
--- /dev/null
+++ b/kernel/include/linux/sunrpc/svcsock.h
@@ -0,0 +1,74 @@
+/*
+ * linux/include/linux/sunrpc/svcsock.h
+ *
+ * RPC server socket I/O.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef SUNRPC_SVCSOCK_H
+#define SUNRPC_SVCSOCK_H
+
+#include <linux/sunrpc/svc.h>
+#include <linux/sunrpc/svc_xprt.h>
+
+/*
+ * RPC server socket.
+ */
+struct svc_sock {
+	struct svc_xprt		sk_xprt;
+	struct socket *		sk_sock;	/* berkeley socket layer */
+	struct sock *		sk_sk;		/* INET layer */
+
+	/* We keep the old state_change and data_ready CB's here */
+	void			(*sk_ostate)(struct sock *);
+	void			(*sk_odata)(struct sock *);
+	void			(*sk_owspace)(struct sock *);
+
+	/* private TCP part */
+	/* On-the-wire fragment header: */
+	__be32			sk_reclen;
+	/* As we receive a record, this includes the length received so
+	 * far (including the fragment header): */
+	u32			sk_tcplen;
+	/* Total length of the data (not including fragment headers)
+	 * received so far in the fragments making up this rpc: */
+	u32			sk_datalen;
+
+	struct page *		sk_pages[RPCSVC_MAXPAGES];	/* received data */
+};
+
+static inline u32 svc_sock_reclen(struct svc_sock *svsk)
+{
+	return ntohl(svsk->sk_reclen) & RPC_FRAGMENT_SIZE_MASK;
+}
+
+static inline u32 svc_sock_final_rec(struct svc_sock *svsk)
+{
+	return ntohl(svsk->sk_reclen) & RPC_LAST_STREAM_FRAGMENT;
+}
+
+/*
+ * Function prototypes.
+ */
+void		svc_close_net(struct svc_serv *, struct net *);
+int		svc_recv(struct svc_rqst *, long);
+int		svc_send(struct svc_rqst *);
+void		svc_drop(struct svc_rqst *);
+void		svc_sock_update_bufs(struct svc_serv *serv);
+bool		svc_alien_sock(struct net *net, int fd);
+int		svc_addsock(struct svc_serv *serv, const int fd,
+					char *name_return, const size_t len);
+void		svc_init_xprt_sock(void);
+void		svc_cleanup_xprt_sock(void);
+struct svc_xprt *svc_sock_create(struct svc_serv *serv, int prot);
+void		svc_sock_destroy(struct svc_xprt *);
+
+/*
+ * svc_makesock socket characteristics
+ */
+#define SVC_SOCK_DEFAULTS	(0U)
+#define SVC_SOCK_ANONYMOUS	(1U << 0)	/* don't register with pmap */
+#define SVC_SOCK_TEMPORARY	(1U << 1)	/* flag socket as temporary */
+
+#endif /* SUNRPC_SVCSOCK_H */