Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ] 
  1 /* internal.h: internal Rx RPC stuff
  2  *
  3  * Copyright (c) 2002   David Howells (dhowells@redhat.com).
  4  */
  5 
  6 #ifndef RXRPC_INTERNAL_H
  7 #define RXRPC_INTERNAL_H
  8 
  9 #include <linux/compiler.h>
 10 #include <linux/kernel.h>
 11 
 12 /*
 13  * debug accounting
 14  */
 15 #if 1
 16 #define __RXACCT_DECL(X) X
 17 #define __RXACCT(X) do { X; } while(0) 
 18 #else
 19 #define __RXACCT_DECL(X)
 20 #define __RXACCT(X) do { } while(0)
 21 #endif
 22 
 23 __RXACCT_DECL(extern atomic_t rxrpc_transport_count);
 24 __RXACCT_DECL(extern atomic_t rxrpc_peer_count);
 25 __RXACCT_DECL(extern atomic_t rxrpc_connection_count);
 26 __RXACCT_DECL(extern atomic_t rxrpc_call_count);
 27 __RXACCT_DECL(extern atomic_t rxrpc_message_count);
 28 
 29 /*
 30  * debug tracing
 31  */
 32 #define kenter(FMT, a...)       printk("==> %s("FMT")\n",__FUNCTION__ , ##a)
 33 #define kleave(FMT, a...)       printk("<== %s()"FMT"\n",__FUNCTION__ , ##a)
 34 #define kdebug(FMT, a...)       printk("    "FMT"\n" , ##a)
 35 #define kproto(FMT, a...)       printk("### "FMT"\n" , ##a)
 36 #define knet(FMT, a...)         printk("    "FMT"\n" , ##a)
 37 
 38 #if 0
 39 #define _enter(FMT, a...)       kenter(FMT , ##a)
 40 #define _leave(FMT, a...)       kleave(FMT , ##a)
 41 #define _debug(FMT, a...)       kdebug(FMT , ##a)
 42 #define _proto(FMT, a...)       kproto(FMT , ##a)
 43 #define _net(FMT, a...)         knet(FMT , ##a)
 44 #else
 45 #define _enter(FMT, a...)       do { if (rxrpc_ktrace) kenter(FMT , ##a); } while(0)
 46 #define _leave(FMT, a...)       do { if (rxrpc_ktrace) kleave(FMT , ##a); } while(0)
 47 #define _debug(FMT, a...)       do { if (rxrpc_kdebug) kdebug(FMT , ##a); } while(0)
 48 #define _proto(FMT, a...)       do { if (rxrpc_kproto) kproto(FMT , ##a); } while(0)
 49 #define _net(FMT, a...)         do { if (rxrpc_knet)   knet  (FMT , ##a); } while(0)
 50 #endif
 51 
 52 static inline void rxrpc_discard_my_signals(void)
 53 {
 54         while (signal_pending(current)) {
 55                 siginfo_t sinfo;
 56 
 57                 spin_lock_irq(&current->sighand->siglock);
 58                 dequeue_signal(current, &current->blocked, &sinfo);
 59                 spin_unlock_irq(&current->sighand->siglock);
 60         }
 61 }
 62 
 63 /*
 64  * call.c
 65  */
 66 extern struct list_head rxrpc_calls;
 67 extern struct rw_semaphore rxrpc_calls_sem;
 68 
 69 /*
 70  * connection.c
 71  */
 72 extern struct list_head rxrpc_conns;
 73 extern struct rw_semaphore rxrpc_conns_sem;
 74 extern unsigned long rxrpc_conn_timeout;
 75 
 76 extern void rxrpc_conn_clearall(struct rxrpc_peer *peer);
 77 
 78 /*
 79  * peer.c
 80  */
 81 extern struct list_head rxrpc_peers;
 82 extern struct rw_semaphore rxrpc_peers_sem;
 83 extern unsigned long rxrpc_peer_timeout;
 84 
 85 extern void rxrpc_peer_calculate_rtt(struct rxrpc_peer *peer,
 86                                      struct rxrpc_message *msg,
 87                                      struct rxrpc_message *resp);
 88 
 89 extern void rxrpc_peer_clearall(struct rxrpc_transport *trans);
 90 
 91 
 92 /*
 93  * proc.c
 94  */
 95 #ifdef CONFIG_PROC_FS
 96 extern int rxrpc_proc_init(void);
 97 extern void rxrpc_proc_cleanup(void);
 98 #endif
 99 
100 /*
101  * transport.c
102  */
103 extern struct list_head rxrpc_proc_transports;
104 extern struct rw_semaphore rxrpc_proc_transports_sem;
105 
106 #endif /* RXRPC_INTERNAL_H */
107
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