LXR linux/drivers/isdn/capi/kcapi.h

   1/*
   2 * Kernel CAPI 2.0 Module
   3 *
   4 * Copyright 1999 by Carsten Paeth <calle@calle.de>
   5 * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
   6 *
   7 * This software may be used and distributed according to the terms
   8 * of the GNU General Public License, incorporated herein by reference.
   9 *
  10 */
  11
  12
  13#include <linux/kernel.h>
  14#include <linux/spinlock.h>
  15#include <linux/list.h>
  16#include <linux/isdn/capilli.h>
  17
  18#ifdef KCAPI_DEBUG
  19#define DBG(format, arg...) do {                                        \
  20                printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
  21        } while (0)
  22#else
  23#define DBG(format, arg...) /* */
  24#endif
  25
  26enum {
  27        CAPI_CTR_DETACHED = 0,
  28        CAPI_CTR_DETECTED = 1,
  29        CAPI_CTR_LOADING  = 2,
  30        CAPI_CTR_RUNNING  = 3,
  31};
  32
  33extern struct capi_ctr *capi_controller[CAPI_MAXCONTR];
  34extern struct mutex capi_controller_lock;
  35
  36extern struct capi20_appl *capi_applications[CAPI_MAXAPPL];
  37
  38void kcapi_proc_init(void);
  39void kcapi_proc_exit(void);
  40
  41struct capi20_appl {
  42        u16 applid;
  43        capi_register_params rparam;
  44        void (*recv_message)(struct capi20_appl *ap, struct sk_buff *skb);
  45        void *private;
  46
  47        /* internal to kernelcapi.o */
  48        unsigned long nrecvctlpkt;
  49        unsigned long nrecvdatapkt;
  50        unsigned long nsentctlpkt;
  51        unsigned long nsentdatapkt;
  52        struct mutex recv_mtx;
  53        struct sk_buff_head recv_queue;
  54        struct work_struct recv_work;
  55        int release_in_progress;
  56};
  57
  58u16 capi20_isinstalled(void);
  59u16 capi20_register(struct capi20_appl *ap);
  60u16 capi20_release(struct capi20_appl *ap);
  61u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb);
  62u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]);
  63u16 capi20_get_version(u32 contr, struct capi_version *verp);
  64u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]);
  65u16 capi20_get_profile(u32 contr, struct capi_profile *profp);
  66int capi20_manufacturer(unsigned long cmd, void __user *data);
  67
  68#define CAPICTR_UP                      0
  69#define CAPICTR_DOWN                    1
  70
  71int kcapi_init(void);
  72void kcapi_exit(void);
  73
  74/*----- basic-type definitions -----*/
  75
  76typedef __u8 *_cstruct;
  77
  78typedef enum {
  79        CAPI_COMPOSE,
  80        CAPI_DEFAULT
  81} _cmstruct;
  82
  83/*
  84   The _cmsg structure contains all possible CAPI 2.0 parameter.
  85   All parameters are stored here first. The function CAPI_CMSG_2_MESSAGE
  86   assembles the parameter and builds CAPI2.0 conform messages.
  87   CAPI_MESSAGE_2_CMSG disassembles CAPI 2.0 messages and stores the
  88   parameter in the _cmsg structure
  89 */
  90
  91typedef struct {
  92        /* Header */
  93        __u16 ApplId;
  94        __u8 Command;
  95        __u8 Subcommand;
  96        __u16 Messagenumber;
  97
  98        /* Parameter */
  99        union {
 100                __u32 adrController;
 101                __u32 adrPLCI;
 102                __u32 adrNCCI;
 103        } adr;
 104
 105        _cmstruct AdditionalInfo;
 106        _cstruct B1configuration;
 107        __u16 B1protocol;
 108        _cstruct B2configuration;
 109        __u16 B2protocol;
 110        _cstruct B3configuration;
 111        __u16 B3protocol;
 112        _cstruct BC;
 113        _cstruct BChannelinformation;
 114        _cmstruct BProtocol;
 115        _cstruct CalledPartyNumber;
 116        _cstruct CalledPartySubaddress;
 117        _cstruct CallingPartyNumber;
 118        _cstruct CallingPartySubaddress;
 119        __u32 CIPmask;
 120        __u32 CIPmask2;
 121        __u16 CIPValue;
 122        __u32 Class;
 123        _cstruct ConnectedNumber;
 124        _cstruct ConnectedSubaddress;
 125        __u32 Data;
 126        __u16 DataHandle;
 127        __u16 DataLength;
 128        _cstruct FacilityConfirmationParameter;
 129        _cstruct Facilitydataarray;
 130        _cstruct FacilityIndicationParameter;
 131        _cstruct FacilityRequestParameter;
 132        __u16 FacilitySelector;
 133        __u16 Flags;
 134        __u32 Function;
 135        _cstruct HLC;
 136        __u16 Info;
 137        _cstruct InfoElement;
 138        __u32 InfoMask;
 139        __u16 InfoNumber;
 140        _cstruct Keypadfacility;
 141        _cstruct LLC;
 142        _cstruct ManuData;
 143        __u32 ManuID;
 144        _cstruct NCPI;
 145        __u16 Reason;
 146        __u16 Reason_B3;
 147        __u16 Reject;
 148        _cstruct Useruserdata;
 149
 150        /* intern */
 151        unsigned l, p;
 152        unsigned char *par;
 153        __u8 *m;
 154
 155        /* buffer to construct message */
 156        __u8 buf[180];
 157
 158} _cmsg;
 159
 160/*-----------------------------------------------------------------------*/
 161
 162/*
 163 * Debugging / Tracing functions
 164 */
 165
 166char *capi_cmd2str(__u8 cmd, __u8 subcmd);
 167
 168typedef struct {
 169        u_char  *buf;
 170        u_char  *p;
 171        size_t  size;
 172        size_t  pos;
 173} _cdebbuf;
 174
 175#define CDEBUG_SIZE     1024
 176#define CDEBUG_GSIZE    4096
 177
 178void cdebbuf_free(_cdebbuf *cdb);
 179int cdebug_init(void);
 180void cdebug_exit(void);
 181
 182_cdebbuf *capi_message2str(__u8 *msg);
 183