42 void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data, size_t len)  in dvb_ringbuffer_init()  argument
46 	rbuf->size=len;  in dvb_ringbuffer_init()
110 ssize_t dvb_ringbuffer_read_user(struct dvb_ringbuffer *rbuf, u8 __user *buf, size_t len)  in dvb_ringbuffer_read_user()  argument
112 	size_t todo = len;  in dvb_ringbuffer_read_user()
115 	split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0;  in dvb_ringbuffer_read_user()
128 	return len;  in dvb_ringbuffer_read_user()
131 void dvb_ringbuffer_read(struct dvb_ringbuffer *rbuf, u8 *buf, size_t len)  in dvb_ringbuffer_read()  argument
133 	size_t todo = len;  in dvb_ringbuffer_read()
136 	split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0;  in dvb_ringbuffer_read()
149 ssize_t dvb_ringbuffer_write(struct dvb_ringbuffer *rbuf, const u8 *buf, size_t len)  in dvb_ringbuffer_write()  argument
151 	size_t todo = len;  in dvb_ringbuffer_write()
154 	split = (rbuf->pwrite + len > rbuf->size) ? rbuf->size - rbuf->pwrite : 0;  in dvb_ringbuffer_write()
165 	return len;  in dvb_ringbuffer_write()
168 ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf, size_t len)  in dvb_ringbuffer_pkt_write()  argument
173 	DVB_RINGBUFFER_WRITE_BYTE(rbuf, len >> 8);  in dvb_ringbuffer_pkt_write()
174 	DVB_RINGBUFFER_WRITE_BYTE(rbuf, len & 0xff);  in dvb_ringbuffer_pkt_write()
176 	status = dvb_ringbuffer_write(rbuf, buf, len);  in dvb_ringbuffer_pkt_write()
183 				int offset, u8 __user *buf, size_t len)  in dvb_ringbuffer_pkt_read_user()  argument
192 	if ((offset + len) > pktlen) len = pktlen - offset;  in dvb_ringbuffer_pkt_read_user()
195 	todo = len;  in dvb_ringbuffer_pkt_read_user()
196 	split = ((idx + len) > rbuf->size) ? rbuf->size - idx : 0;  in dvb_ringbuffer_pkt_read_user()
207 	return len;  in dvb_ringbuffer_pkt_read_user()
211 				int offset, u8* buf, size_t len)  in dvb_ringbuffer_pkt_read()  argument
220 	if ((offset + len) > pktlen) len = pktlen - offset;  in dvb_ringbuffer_pkt_read()
223 	todo = len;  in dvb_ringbuffer_pkt_read()
224 	split = ((idx + len) > rbuf->size) ? rbuf->size - idx : 0;  in dvb_ringbuffer_pkt_read()
232 	return len;  in dvb_ringbuffer_pkt_read()