most_sync_rt_dev Struct Reference

Collaboration diagram for most_sync_rt_dev:

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Data Fields
most_dev *	most_dev
dma_buffer	hw_receive_buf
dma_buffer	hw_transmit_buf
rx_buffer *	sw_receive_buf
tx_buffer *	sw_transmit_buf
list_head	file_list
atomic_t	open_count
atomic_t	receiver_count
atomic_t	transmitter_count
rtdm_lock_t	lock
rtdm_device	rtdm_dev
rtdm_event_t	rx_wait
rtdm_event_t	tx_wait
most_conf_sync	rx_sync
most_conf_sync	tx_sync
unsigned char	rx_current_page
unsigned char	tx_current_page

Detailed Description

Data structure for each most_sync_rt device. If the probe function is called, such a device is created and if the remove function is called, the device is destroyed.

Todo:: common base with the most_sync_dev structure

Definition at line 106 of file most-sync-rt.h.

Field Documentation

struct most_dev* most_sync_rt_dev::most_dev

the corresponding most_dev structure

Definition at line 107 of file most-sync-rt.h.

Referenced by most_sync_nrt_close(), most_sync_nrt_open(), most_sync_rt_interrupt_handler(), and most_sync_rt_probe().

struct dma_buffer most_sync_rt_dev::hw_receive_buf

the receive buffer

Definition at line 108 of file most-sync-rt.h.

Referenced by most_sync_rt_interrupt_handler().

struct dma_buffer most_sync_rt_dev::hw_transmit_buf

the transmit buffer

Definition at line 109 of file most-sync-rt.h.

Referenced by most_sync_rt_interrupt_handler().

struct rx_buffer* most_sync_rt_dev::sw_receive_buf

the receive ring buffer

Definition at line 110 of file most-sync-rt.h.

Referenced by most_sync_rt_interrupt_handler().

struct tx_buffer* most_sync_rt_dev::sw_transmit_buf

the transmit ring buffer

Definition at line 111 of file most-sync-rt.h.

Referenced by most_sync_rt_interrupt_handler().

struct list_head most_sync_rt_dev::file_list

list of all opened files in a device

Definition at line 112 of file most-sync-rt.h.

Referenced by most_sync_nrt_open(), and most_sync_rt_probe().

atomic_t most_sync_rt_dev::open_count

open counter

Definition at line 113 of file most-sync-rt.h.

Referenced by most_sync_nrt_close(), and most_sync_nrt_open().

atomic_t most_sync_rt_dev::receiver_count

count of running receivers

Definition at line 114 of file most-sync-rt.h.

Referenced by most_sync_nrt_close(), and most_sync_rt_probe().

atomic_t most_sync_rt_dev::transmitter_count

count of running transmittes

Definition at line 115 of file most-sync-rt.h.

Referenced by most_sync_nrt_close(), and most_sync_rt_probe().

rtdm_lock_t most_sync_rt_dev::lock

lock for the file

Definition at line 116 of file most-sync-rt.h.

Referenced by most_sync_nrt_close(), most_sync_nrt_open(), and most_sync_rt_probe().

struct rtdm_device most_sync_rt_dev::rtdm_dev

the RTDM device which is registered, it must be embedded in this structure (and not referenced as pointer) because then it's posible to obtain the most_sync_rt_dev structure in the open() method of the device (see also most_sync_rt_open

Definition at line 117 of file most-sync-rt.h.

Referenced by most_sync_rt_probe(), and most_sync_rt_remove().

rtdm_event_t most_sync_rt_dev::rx_wait

wait event for sleeping processes that want to read data but cannot because there are no data to read

Definition at line 123 of file most-sync-rt.h.

Referenced by most_sync_rt_interrupt_handler(), most_sync_rt_probe(), and most_sync_rt_remove().

rtdm_event_t most_sync_rt_dev::tx_wait

wait queue for sleeping processes that want to write data but cannot write because the queue is full

Definition at line 126 of file most-sync-rt.h.

Referenced by most_sync_rt_interrupt_handler(), most_sync_rt_probe(), and most_sync_rt_remove().

struct most_conf_sync most_sync_rt_dev::rx_sync

synchronisation for reading