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00020 #ifndef _RTDM_INTERNAL_H
00021 #define _RTDM_INTERNAL_H
00022
00023 #include <linux/list.h>
00024 #include <linux/proc_fs.h>
00025 #include <linux/sem.h>
00026
00027 #include <nucleus/pod.h>
00028 #include <nucleus/ppd.h>
00029 #include <rtdm/rtdm_driver.h>
00030
00031 #define RTDM_FD_MAX CONFIG_XENO_OPT_RTDM_FILDES
00032
00033 #define DEF_DEVNAME_HASHTAB_SIZE 256
00034 #define DEF_PROTO_HASHTAB_SIZE 256
00035
00036 struct rtdm_fildes {
00037 struct rtdm_dev_context *context;
00038 };
00039
00040 struct rtdm_process {
00041 #ifdef CONFIG_PROC_FS
00042 char name[32];
00043 pid_t pid;
00044 #endif
00045
00046 xnshadow_ppd_t ppd;
00047 };
00048
00049 DECLARE_EXTERN_XNLOCK(rt_fildes_lock);
00050 DECLARE_EXTERN_XNLOCK(rt_dev_lock);
00051
00052 extern int __rtdm_muxid;
00053 extern struct rtdm_fildes fildes_table[];
00054 extern int open_fildes;
00055 extern struct semaphore nrt_dev_lock;
00056 extern unsigned int devname_hashtab_size;
00057 extern unsigned int protocol_hashtab_size;
00058 extern struct list_head *rtdm_named_devices;
00059 extern struct list_head *rtdm_protocol_devices;
00060 extern struct proc_dir_entry *rtdm_proc_root;
00061
00062 #ifdef MODULE
00063 #define rtdm_initialised 1
00064 #else
00065 extern int rtdm_initialised;
00066 #endif
00067
00068 void cleanup_owned_contexts(void *user_info);
00069 int rtdm_no_support(void);
00070 struct rtdm_device *get_named_device(const char *name);
00071 struct rtdm_device *get_protocol_device(int protocol_family, int socket_type);
00072
00073 static inline void rtdm_dereference_device(struct rtdm_device *device)
00074 {
00075 atomic_dec(&device->reserved.refcount);
00076 }
00077
00078 int __init rtdm_dev_init(void);
00079
00080 static inline void rtdm_dev_cleanup(void)
00081 {
00082 kfree(rtdm_named_devices);
00083 kfree(rtdm_protocol_devices);
00084 }
00085
00086 int rtdm_proc_register_device(struct rtdm_device *device);
00087 int __init rtdm_proc_init(void);
00088 void rtdm_proc_cleanup(void);
00089
00090 #endif