Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / net / iucv / af_iucv.h

diff --git a/kernel/include/net/iucv/af_iucv.h b/kernel/include/net/iucv/af_iucv.h
new file mode 100644 (file)
index 0000000..714cc9a
--- /dev/null
+++ b/kernel/include/net/iucv/af_iucv.h
@@ -0,0 +1,163 @@
+/*
+ * Copyright 2006 IBM Corporation
+ * IUCV protocol stack for Linux on zSeries
+ * Version 1.0
+ * Author(s): Jennifer Hunt <jenhunt@us.ibm.com>
+ *
+ */
+
+#ifndef __AFIUCV_H
+#define __AFIUCV_H
+
+#include <asm/types.h>
+#include <asm/byteorder.h>
+#include <linux/list.h>
+#include <linux/poll.h>
+#include <linux/socket.h>
+#include <net/iucv/iucv.h>
+
+#ifndef AF_IUCV
+#define AF_IUCV                32
+#define PF_IUCV                AF_IUCV
+#endif
+
+/* Connection and socket states */
+enum {
+       IUCV_CONNECTED = 1,
+       IUCV_OPEN,
+       IUCV_BOUND,
+       IUCV_LISTEN,
+       IUCV_DISCONN,
+       IUCV_CLOSING,
+       IUCV_CLOSED
+};
+
+#define IUCV_QUEUELEN_DEFAULT  65535
+#define IUCV_HIPER_MSGLIM_DEFAULT      128
+#define IUCV_CONN_TIMEOUT      (HZ * 40)
+#define IUCV_DISCONN_TIMEOUT   (HZ * 2)
+#define IUCV_CONN_IDLE_TIMEOUT (HZ * 60)
+#define IUCV_BUFSIZE_DEFAULT   32768
+
+/* IUCV socket address */
+struct sockaddr_iucv {
+       sa_family_t     siucv_family;
+       unsigned short  siucv_port;             /* Reserved */
+       unsigned int    siucv_addr;             /* Reserved */
+       char            siucv_nodeid[8];        /* Reserved */
+       char            siucv_user_id[8];       /* Guest User Id */
+       char            siucv_name[8];          /* Application Name */
+};
+
+
+/* Common socket structures and functions */
+struct sock_msg_q {
+       struct iucv_path        *path;
+       struct iucv_message     msg;
+       struct list_head        list;
+       spinlock_t              lock;
+};
+
+#define AF_IUCV_FLAG_ACK 0x1
+#define AF_IUCV_FLAG_SYN 0x2
+#define AF_IUCV_FLAG_FIN 0x4
+#define AF_IUCV_FLAG_WIN 0x8
+#define AF_IUCV_FLAG_SHT 0x10
+
+struct af_iucv_trans_hdr {
+       u16 magic;
+       u8 version;
+       u8 flags;
+       u16 window;
+       char destNodeID[8];
+       char destUserID[8];
+       char destAppName[16];
+       char srcNodeID[8];
+       char srcUserID[8];
+       char srcAppName[16];             /* => 70 bytes */
+       struct iucv_message iucv_hdr;    /* => 33 bytes */
+       u8 pad;                          /* total 104 bytes */
+} __packed;
+
+enum iucv_tx_notify {
+       /* transmission of skb is completed and was successful */
+       TX_NOTIFY_OK = 0,
+       /* target is unreachable */
+       TX_NOTIFY_UNREACHABLE = 1,
+       /* transfer pending queue full */
+       TX_NOTIFY_TPQFULL = 2,
+       /* general error */
+       TX_NOTIFY_GENERALERROR = 3,
+       /* transmission of skb is pending - may interleave
+        * with TX_NOTIFY_DELAYED_* */
+       TX_NOTIFY_PENDING = 4,
+       /* transmission of skb was done successfully (delayed) */
+       TX_NOTIFY_DELAYED_OK = 5,
+       /* target unreachable (detected delayed) */
+       TX_NOTIFY_DELAYED_UNREACHABLE = 6,
+       /* general error (detected delayed) */
+       TX_NOTIFY_DELAYED_GENERALERROR = 7,
+};
+
+#define iucv_sk(__sk) ((struct iucv_sock *) __sk)
+
+#define AF_IUCV_TRANS_IUCV 0
+#define AF_IUCV_TRANS_HIPER 1
+
+struct iucv_sock {
+       struct sock             sk;
+       char                    src_user_id[8];
+       char                    src_name[8];
+       char                    dst_user_id[8];
+       char                    dst_name[8];
+       struct list_head        accept_q;
+       spinlock_t              accept_q_lock;
+       struct sock             *parent;
+       struct iucv_path        *path;
+       struct net_device       *hs_dev;
+       struct sk_buff_head     send_skb_q;
+       struct sk_buff_head     backlog_skb_q;
+       struct sock_msg_q       message_q;
+       unsigned int            send_tag;
+       u8                      flags;
+       u16                     msglimit;
+       u16                     msglimit_peer;
+       atomic_t                msg_sent;
+       atomic_t                msg_recv;
+       atomic_t                pendings;
+       int                     transport;
+       void                    (*sk_txnotify)(struct sk_buff *skb,
+                                              enum iucv_tx_notify n);
+};
+
+struct iucv_skb_cb {
+       u32     class;          /* target class of message */
+       u32     tag;            /* tag associated with message */
+       u32     offset;         /* offset for skb receival */
+};
+
+#define IUCV_SKB_CB(__skb)     ((struct iucv_skb_cb *)&((__skb)->cb[0]))
+
+/* iucv socket options (SOL_IUCV) */
+#define SO_IPRMDATA_MSG        0x0080          /* send/recv IPRM_DATA msgs */
+#define SO_MSGLIMIT    0x1000          /* get/set IUCV MSGLIMIT */
+#define SO_MSGSIZE     0x0800          /* get maximum msgsize */
+
+/* iucv related control messages (scm) */
+#define SCM_IUCV_TRGCLS        0x0001          /* target class control message */
+
+struct iucv_sock_list {
+       struct hlist_head head;
+       rwlock_t          lock;
+       atomic_t          autobind_name;
+};
+
+unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
+                           poll_table *wait);
+void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
+void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
+void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
+void iucv_accept_unlink(struct sock *sk);
+struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock);
+
+#endif /* __IUCV_H */