56 void rxe_queue_reset(struct rxe_queue *q);
62 int rxe_queue_resize(struct rxe_queue *q, unsigned int *num_elem_p,
72 static inline int next_index(struct rxe_queue *q, int index)  in next_index()  argument
74 	return (index + 1) & q->buf->index_mask;  in next_index()
77 static inline int queue_empty(struct rxe_queue *q)  in queue_empty()  argument
79 	return ((q->buf->producer_index - q->buf->consumer_index)  in queue_empty()
80 			& q->index_mask) == 0;  in queue_empty()
83 static inline int queue_full(struct rxe_queue *q)  in queue_full()  argument
85 	return ((q->buf->producer_index + 1 - q->buf->consumer_index)  in queue_full()
86 			& q->index_mask) == 0;  in queue_full()
89 static inline void advance_producer(struct rxe_queue *q)  in advance_producer()  argument
91 	q->buf->producer_index = (q->buf->producer_index + 1)  in advance_producer()
92 			& q->index_mask;  in advance_producer()
95 static inline void advance_consumer(struct rxe_queue *q)  in advance_consumer()  argument
97 	q->buf->consumer_index = (q->buf->consumer_index + 1)  in advance_consumer()
98 			& q->index_mask;  in advance_consumer()
101 static inline void *producer_addr(struct rxe_queue *q)  in producer_addr()  argument
103 	return q->buf->data + ((q->buf->producer_index & q->index_mask)  in producer_addr()
104 				<< q->log2_elem_size);  in producer_addr()
107 static inline void *consumer_addr(struct rxe_queue *q)  in consumer_addr()  argument
109 	return q->buf->data + ((q->buf->consumer_index & q->index_mask)  in consumer_addr()
110 				<< q->log2_elem_size);  in consumer_addr()
113 static inline unsigned int producer_index(struct rxe_queue *q)  in producer_index()  argument
115 	return q->buf->producer_index;  in producer_index()
118 static inline unsigned int consumer_index(struct rxe_queue *q)  in consumer_index()  argument
120 	return q->buf->consumer_index;  in consumer_index()
123 static inline void *addr_from_index(struct rxe_queue *q, unsigned int index)  in addr_from_index()  argument
125 	return q->buf->data + ((index & q->index_mask)  in addr_from_index()
126 				<< q->buf->log2_elem_size);  in addr_from_index()
129 static inline unsigned int index_from_addr(const struct rxe_queue *q,  in index_from_addr()  argument
132 	return (((u8 *)addr - q->buf->data) >> q->log2_elem_size)  in index_from_addr()
133 		& q->index_mask;  in index_from_addr()
136 static inline unsigned int queue_count(const struct rxe_queue *q)  in queue_count()  argument
138 	return (q->buf->producer_index - q->buf->consumer_index)  in queue_count()
139 		& q->index_mask;  in queue_count()
142 static inline void *queue_head(struct rxe_queue *q)  in queue_head()  argument
144 	return queue_empty(q) ? NULL : consumer_addr(q);  in queue_head()