diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/um_idi.c')
| -rw-r--r-- | drivers/isdn/hardware/eicon/um_idi.c | 224 |
1 files changed, 112 insertions, 112 deletions
diff --git a/drivers/isdn/hardware/eicon/um_idi.c b/drivers/isdn/hardware/eicon/um_idi.c index ac0bdd1f23fa..7cab5c3276c2 100644 --- a/drivers/isdn/hardware/eicon/um_idi.c +++ b/drivers/isdn/hardware/eicon/um_idi.c @@ -14,30 +14,30 @@ #define DIVAS_MAX_XDI_ADAPTERS 64 /* -------------------------------------------------------------------------- - IMPORTS + IMPORTS -------------------------------------------------------------------------- */ extern void diva_os_wakeup_read(void *os_context); extern void diva_os_wakeup_close(void *os_context); /* -------------------------------------------------------------------------- - LOCALS + LOCALS -------------------------------------------------------------------------- */ static LIST_HEAD(adapter_q); static diva_os_spin_lock_t adapter_lock; static diva_um_idi_adapter_t *diva_um_idi_find_adapter(dword nr); -static void cleanup_adapter(diva_um_idi_adapter_t * a); -static void cleanup_entity(divas_um_idi_entity_t * e); -static int diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t * a, +static void cleanup_adapter(diva_um_idi_adapter_t *a); +static void cleanup_entity(divas_um_idi_entity_t *e); +static int diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t *a, diva_um_idi_adapter_features_t - * features); -static int process_idi_request(divas_um_idi_entity_t * e, - const diva_um_idi_req_hdr_t * req); -static int process_idi_rc(divas_um_idi_entity_t * e, byte rc); -static int process_idi_ind(divas_um_idi_entity_t * e, byte ind); -static int write_return_code(divas_um_idi_entity_t * e, byte rc); + *features); +static int process_idi_request(divas_um_idi_entity_t *e, + const diva_um_idi_req_hdr_t *req); +static int process_idi_rc(divas_um_idi_entity_t *e, byte rc); +static int process_idi_ind(divas_um_idi_entity_t *e, byte ind); +static int write_return_code(divas_um_idi_entity_t *e, byte rc); /* -------------------------------------------------------------------------- - MAIN + MAIN -------------------------------------------------------------------------- */ int diva_user_mode_idi_init(void) { @@ -46,10 +46,10 @@ int diva_user_mode_idi_init(void) } /* -------------------------------------------------------------------------- - Copy adapter features to user supplied buffer + Copy adapter features to user supplied buffer -------------------------------------------------------------------------- */ static int -diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t * a, +diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t *a, diva_um_idi_adapter_features_t * features) { @@ -63,14 +63,14 @@ diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t * a, sync_req.GetName.Req = 0; sync_req.GetName.Rc = IDI_SYNC_REQ_GET_NAME; - (*(a->d.request)) ((ENTITY *) & sync_req); + (*(a->d.request)) ((ENTITY *)&sync_req); strlcpy(features->name, sync_req.GetName.name, sizeof(features->name)); sync_req.GetSerial.Req = 0; sync_req.GetSerial.Rc = IDI_SYNC_REQ_GET_SERIAL; sync_req.GetSerial.serial = 0; - (*(a->d.request)) ((ENTITY *) & sync_req); + (*(a->d.request))((ENTITY *)&sync_req); features->serial_number = sync_req.GetSerial.serial; } @@ -78,7 +78,7 @@ diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t * a, } /* -------------------------------------------------------------------------- - REMOVE ADAPTER + REMOVE ADAPTER -------------------------------------------------------------------------- */ void diva_user_mode_idi_remove_adapter(int adapter_nr) { @@ -98,7 +98,7 @@ void diva_user_mode_idi_remove_adapter(int adapter_nr) } /* -------------------------------------------------------------------------- - CALLED ON DRIVER EXIT (UNLOAD) + CALLED ON DRIVER EXIT (UNLOAD) -------------------------------------------------------------------------- */ void diva_user_mode_idi_finit(void) { @@ -116,15 +116,15 @@ void diva_user_mode_idi_finit(void) } /* ------------------------------------------------------------------------- - CREATE AND INIT IDI ADAPTER - ------------------------------------------------------------------------- */ -int diva_user_mode_idi_create_adapter(const DESCRIPTOR * d, int adapter_nr) + CREATE AND INIT IDI ADAPTER + ------------------------------------------------------------------------- */ +int diva_user_mode_idi_create_adapter(const DESCRIPTOR *d, int adapter_nr) { diva_os_spin_lock_magic_t old_irql; diva_um_idi_adapter_t *a = - (diva_um_idi_adapter_t *) diva_os_malloc(0, - sizeof - (diva_um_idi_adapter_t)); + (diva_um_idi_adapter_t *) diva_os_malloc(0, + sizeof + (diva_um_idi_adapter_t)); if (!a) { return (-1); @@ -145,7 +145,7 @@ int diva_user_mode_idi_create_adapter(const DESCRIPTOR * d, int adapter_nr) } /* ------------------------------------------------------------------------ - Find adapter by Adapter number + Find adapter by Adapter number ------------------------------------------------------------------------ */ static diva_um_idi_adapter_t *diva_um_idi_find_adapter(dword nr) { @@ -159,14 +159,14 @@ static diva_um_idi_adapter_t *diva_um_idi_find_adapter(dword nr) break; a = NULL; } - return(a); + return (a); } /* ------------------------------------------------------------------------ - Cleanup this adapter and cleanup/delete all entities assigned - to this adapter + Cleanup this adapter and cleanup/delete all entities assigned + to this adapter ------------------------------------------------------------------------ */ -static void cleanup_adapter(diva_um_idi_adapter_t * a) +static void cleanup_adapter(diva_um_idi_adapter_t *a) { struct list_head *tmp, *safe; divas_um_idi_entity_t *e; @@ -184,9 +184,9 @@ static void cleanup_adapter(diva_um_idi_adapter_t * a) } /* ------------------------------------------------------------------------ - Cleanup, but NOT delete this entity + Cleanup, but NOT delete this entity ------------------------------------------------------------------------ */ -static void cleanup_entity(divas_um_idi_entity_t * e) +static void cleanup_entity(divas_um_idi_entity_t *e) { e->os_ref = NULL; e->status = 0; @@ -203,7 +203,7 @@ static void cleanup_entity(divas_um_idi_entity_t * e) /* ------------------------------------------------------------------------ - Create ENTITY, link it to the adapter and remove pointer to entity + Create ENTITY, link it to the adapter and remove pointer to entity ------------------------------------------------------------------------ */ void *divas_um_idi_create_entity(dword adapter_nr, void *file) { @@ -236,12 +236,12 @@ void *divas_um_idi_create_entity(dword adapter_nr, void *file) diva_os_enter_spin_lock(&adapter_lock, &old_irql, "create_entity"); /* - Look for Adapter requested - */ + Look for Adapter requested + */ if (!(a = diva_um_idi_find_adapter(adapter_nr))) { /* - No adapter was found, or this adapter was removed - */ + No adapter was found, or this adapter was removed + */ diva_os_leave_spin_lock(&adapter_lock, &old_irql, "create_entity"); DBG_LOG(("A: no adapter(%ld)", adapter_nr)); @@ -267,7 +267,7 @@ void *divas_um_idi_create_entity(dword adapter_nr, void *file) } /* ------------------------------------------------------------------------ - Unlink entity and free memory + Unlink entity and free memory ------------------------------------------------------------------------ */ int divas_um_idi_delete_entity(int adapter_nr, void *entity) { @@ -296,8 +296,8 @@ int divas_um_idi_delete_entity(int adapter_nr, void *entity) } /* -------------------------------------------------------------------------- - Called by application to read data from IDI - -------------------------------------------------------------------------- */ + Called by application to read data from IDI + -------------------------------------------------------------------------- */ int diva_um_idi_read(void *entity, void *os_handle, void *dst, @@ -319,20 +319,20 @@ int diva_um_idi_read(void *entity, (a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) { diva_os_leave_spin_lock(&adapter_lock, &old_irql, "read"); DBG_ERR(("E(%08x) read failed - adapter removed", e)) - return (-1); + return (-1); } DBG_TRC(("A(%d) E(%08x) read(%d)", a->adapter_nr, e, max_length)); /* - Try to read return code first - */ + Try to read return code first + */ data = diva_data_q_get_segment4read(&e->rc); q = &e->rc; /* - No return codes available, read indications now - */ + No return codes available, read indications now + */ if (!data) { if (!(e->status & DIVA_UM_IDI_RC_PENDING)) { DBG_TRC(("A(%d) E(%08x) read data", a->adapter_nr, e)); @@ -348,8 +348,8 @@ int diva_um_idi_read(void *entity, if ((length = diva_data_q_get_segment_length(q)) > max_length) { /* - Not enough space to read message - */ + Not enough space to read message + */ DBG_ERR(("A: A(%d) E(%08x) read small buffer", a->adapter_nr, e, ret)); diva_os_leave_spin_lock(&adapter_lock, &old_irql, @@ -357,14 +357,14 @@ int diva_um_idi_read(void *entity, return (-2); } /* - Copy it to user, this function does access ONLY locked an verified - memory, also we can access it witch spin lock held - */ + Copy it to user, this function does access ONLY locked an verified + memory, also we can access it witch spin lock held + */ if ((ret = (*cp_fn) (os_handle, dst, data, length)) >= 0) { /* - Acknowledge only if read was successful - */ + Acknowledge only if read was successful + */ diva_data_q_ack_segment4read(q); } } @@ -399,7 +399,7 @@ int diva_um_idi_write(void *entity, (a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) { diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write"); DBG_ERR(("E(%08x) write failed - adapter removed", e)) - return (-1); + return (-1); } DBG_TRC(("A(%d) E(%08x) write(%d)", a->adapter_nr, e, length)); @@ -416,9 +416,9 @@ int diva_um_idi_write(void *entity, } /* - Copy function does access only locked verified memory, - also it can be called with spin lock held - */ + Copy function does access only locked verified memory, + also it can be called with spin lock held + */ if ((ret = (*cp_fn) (os_handle, e->buffer, src, length)) < 0) { DBG_TRC(("A: A(%d) E(%08x) write error=%d", a->adapter_nr, e, ret)); @@ -426,32 +426,32 @@ int diva_um_idi_write(void *entity, return (ret); } - req = (diva_um_idi_req_hdr_t *) & e->buffer[0]; + req = (diva_um_idi_req_hdr_t *)&e->buffer[0]; switch (req->type) { case DIVA_UM_IDI_GET_FEATURES:{ - DBG_LOG(("A(%d) get_features", a->adapter_nr)); - if (!(data = - diva_data_q_get_segment4write(&e->data))) { - DBG_ERR(("A(%d) get_features, no free buffer", - a->adapter_nr)); - diva_os_leave_spin_lock(&adapter_lock, - &old_irql, - "write"); - return (0); - } - diva_user_mode_idi_adapter_features(a, &(((diva_um_idi_ind_hdr_t - *) data)->hdr.features)); - ((diva_um_idi_ind_hdr_t *) data)->type = - DIVA_UM_IDI_IND_FEATURES; - ((diva_um_idi_ind_hdr_t *) data)->data_length = 0; - diva_data_q_ack_segment4write(&e->data, - sizeof(diva_um_idi_ind_hdr_t)); + DBG_LOG(("A(%d) get_features", a->adapter_nr)); + if (!(data = + diva_data_q_get_segment4write(&e->data))) { + DBG_ERR(("A(%d) get_features, no free buffer", + a->adapter_nr)); + diva_os_leave_spin_lock(&adapter_lock, + &old_irql, + "write"); + return (0); + } + diva_user_mode_idi_adapter_features(a, &(((diva_um_idi_ind_hdr_t + *) data)->hdr.features)); + ((diva_um_idi_ind_hdr_t *) data)->type = + DIVA_UM_IDI_IND_FEATURES; + ((diva_um_idi_ind_hdr_t *) data)->data_length = 0; + diva_data_q_ack_segment4write(&e->data, + sizeof(diva_um_idi_ind_hdr_t)); - diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write"); + diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write"); - diva_os_wakeup_read(e->os_context); - } + diva_os_wakeup_read(e->os_context); + } break; case DIVA_UM_IDI_REQ: @@ -486,9 +486,9 @@ int diva_um_idi_write(void *entity, } /* -------------------------------------------------------------------------- - CALLBACK FROM XDI - -------------------------------------------------------------------------- */ -static void diva_um_idi_xdi_callback(ENTITY * entity) + CALLBACK FROM XDI + -------------------------------------------------------------------------- */ +static void diva_um_idi_xdi_callback(ENTITY *entity) { divas_um_idi_entity_t *e = DIVAS_CONTAINING_RECORD(entity, divas_um_idi_entity_t, @@ -529,8 +529,8 @@ static void diva_um_idi_xdi_callback(ENTITY * entity) } } -static int process_idi_request(divas_um_idi_entity_t * e, - const diva_um_idi_req_hdr_t * req) +static int process_idi_request(divas_um_idi_entity_t *e, + const diva_um_idi_req_hdr_t *req) { int assign = 0; byte Req = (byte) req->Req; @@ -579,7 +579,7 @@ static int process_idi_request(divas_um_idi_entity_t * e, e->e.Req = Req; e->e.ReqCh = (byte) req->ReqCh; e->e.X->PLength = (word) req->data_length; - e->e.X->P = (byte *) & req[1]; /* Our buffer is safe */ + e->e.X->P = (byte *)&req[1]; /* Our buffer is safe */ DBG_TRC(("A(%d) E(%08x) request(%02x-%02x-%02x (%d))", e->adapter->adapter_nr, e, e->e.Id, e->e.Req, @@ -595,9 +595,9 @@ static int process_idi_request(divas_um_idi_entity_t * e, if (assign) { if (e->e.Rc == OUT_OF_RESOURCES) { /* - XDI has no entities more, call was not forwarded to the card, - no callback will be scheduled - */ + XDI has no entities more, call was not forwarded to the card, + no callback will be scheduled + */ DBG_ERR(("A: A(%d) E(%08x) XDI out of entities", e->adapter->adapter_nr, e)); @@ -621,7 +621,7 @@ static int process_idi_request(divas_um_idi_entity_t * e, return (0); } -static int process_idi_rc(divas_um_idi_entity_t * e, byte rc) +static int process_idi_rc(divas_um_idi_entity_t *e, byte rc) { DBG_TRC(("A(%d) E(%08x) rc(%02x-%02x-%02x)", e->adapter->adapter_nr, e, e->e.Id, rc, e->e.RcCh)); @@ -674,20 +674,20 @@ static int process_idi_rc(divas_um_idi_entity_t * e, byte rc) return (1); } -static int process_idi_ind(divas_um_idi_entity_t * e, byte ind) +static int process_idi_ind(divas_um_idi_entity_t *e, byte ind) { int do_wakeup = 0; if (e->e.complete != 0x02) { diva_um_idi_ind_hdr_t *pind = - (diva_um_idi_ind_hdr_t *) - diva_data_q_get_segment4write(&e->data); + (diva_um_idi_ind_hdr_t *) + diva_data_q_get_segment4write(&e->data); if (pind) { e->e.RNum = 1; - e->e.R->P = (byte *) & pind[1]; + e->e.R->P = (byte *)&pind[1]; e->e.R->PLength = - (word) (diva_data_q_get_max_length(&e->data) - - sizeof(*pind)); + (word) (diva_data_q_get_max_length(&e->data) - + sizeof(*pind)); DBG_TRC(("A(%d) E(%08x) ind_1(%02x-%02x-%02x)-[%d-%d]", e->adapter->adapter_nr, e, e->e.Id, ind, e->e.IndCh, e->e.RLength, @@ -703,7 +703,7 @@ static int process_idi_ind(divas_um_idi_entity_t * e, byte ind) } } else { diva_um_idi_ind_hdr_t *pind = - (diva_um_idi_ind_hdr_t *) (e->e.R->P); + (diva_um_idi_ind_hdr_t *) (e->e.R->P); DBG_TRC(("A(%d) E(%08x) ind(%02x-%02x-%02x)-[%d]", e->adapter->adapter_nr, e, e->e.Id, ind, @@ -728,14 +728,14 @@ static int process_idi_ind(divas_um_idi_entity_t * e, byte ind) } /* -------------------------------------------------------------------------- - Write return code to the return code queue of entity - -------------------------------------------------------------------------- */ -static int write_return_code(divas_um_idi_entity_t * e, byte rc) + Write return code to the return code queue of entity + -------------------------------------------------------------------------- */ +static int write_return_code(divas_um_idi_entity_t *e, byte rc) { diva_um_idi_ind_hdr_t *prc; if (!(prc = - (diva_um_idi_ind_hdr_t *) diva_data_q_get_segment4write(&e->rc))) + (diva_um_idi_ind_hdr_t *) diva_data_q_get_segment4write(&e->rc))) { DBG_ERR(("A: A(%d) E(%08x) rc(%02x) lost", e->adapter->adapter_nr, e, rc)); @@ -753,9 +753,9 @@ static int write_return_code(divas_um_idi_entity_t * e, byte rc) } /* -------------------------------------------------------------------------- - Return amount of entries that can be bead from this entity or - -1 if adapter was removed - -------------------------------------------------------------------------- */ + Return amount of entries that can be bead from this entity or + -1 if adapter was removed + -------------------------------------------------------------------------- */ int diva_user_mode_idi_ind_ready(void *entity, void *os_handle) { divas_um_idi_entity_t *e; @@ -771,16 +771,16 @@ int diva_user_mode_idi_ind_ready(void *entity, void *os_handle) if ((!a) || (a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) { /* - Adapter was unloaded - */ + Adapter was unloaded + */ diva_os_leave_spin_lock(&adapter_lock, &old_irql, "ind_ready"); return (-1); /* adapter was removed */ } if (e->status & DIVA_UM_IDI_REMOVED) { /* - entity was removed as result of adapter removal - user should assign this entity again - */ + entity was removed as result of adapter removal + user should assign this entity again + */ diva_os_leave_spin_lock(&adapter_lock, &old_irql, "ind_ready"); return (-1); } @@ -827,7 +827,7 @@ int divas_um_idi_entity_assigned(void *entity) DBG_TRC(("Id:%02x, rc_count:%d, status:%08x", e->e.Id, e->rc_count, e->status)) - diva_os_leave_spin_lock(&adapter_lock, &old_irql, "assigned?"); + diva_os_leave_spin_lock(&adapter_lock, &old_irql, "assigned?"); return (ret); } @@ -850,23 +850,23 @@ int divas_um_idi_entity_start_remove(void *entity) if (e->rc_count) { /* - Entity BUSY - */ + Entity BUSY + */ diva_os_leave_spin_lock(&adapter_lock, &old_irql, "start_remove"); return (1); } if (!e->e.Id) { /* - Remove request was already pending, and arrived now - */ + Remove request was already pending, and arrived now + */ diva_os_leave_spin_lock(&adapter_lock, &old_irql, "start_remove"); return (0); /* REMOVE was pending */ } /* - Now send remove request - */ + Now send remove request + */ e->e.Req = REMOVE; e->e.ReqCh = 0; |