57 	if (READ_ONCE(rbi->ring_buffer->interrupt_mask))  in hv_signal_on_write()
66 	if (old_write == READ_ONCE(rbi->ring_buffer->read_index)) {  in hv_signal_on_write()
76 	u32 next = ring_info->ring_buffer->write_index;  in hv_get_next_write_location()
86 	ring_info->ring_buffer->write_index = next_write_location;  in hv_set_next_write_location()
100 	return (u64)ring_info->ring_buffer->write_index << 32;  in hv_get_ring_bufferindices()
113 	void *ring_buffer = hv_get_ring_buffer(ring_info);  in hv_copyto_ringbuffer()  local
116 	memcpy(ring_buffer + start_write_offset, src, srclen);  in hv_copyto_ringbuffer()
139 	read_loc = READ_ONCE(rbi->ring_buffer->read_index);  in hv_get_ringbuffer_availbytes()
140 	write_loc = READ_ONCE(rbi->ring_buffer->write_index);  in hv_get_ringbuffer_availbytes()
157 	if (!ring_info->ring_buffer) {  in hv_ringbuffer_get_debuginfo()
167 	debug_info->current_read_index = ring_info->ring_buffer->read_index;  in hv_ringbuffer_get_debuginfo()
168 	debug_info->current_write_index = ring_info->ring_buffer->write_index;  in hv_ringbuffer_get_debuginfo()
170 		= ring_info->ring_buffer->interrupt_mask;  in hv_ringbuffer_get_debuginfo()
212 		ring_info->ring_buffer = (struct hv_ring_buffer *)  in hv_ringbuffer_init()
217 		if (!ring_info->ring_buffer)  in hv_ringbuffer_init()
221 		memset(ring_info->ring_buffer, 0x00, PAGE_SIZE * page_cnt);  in hv_ringbuffer_init()
234 		ring_info->ring_buffer = (struct hv_ring_buffer *)  in hv_ringbuffer_init()
239 		if (!ring_info->ring_buffer)  in hv_ringbuffer_init()
244 	ring_info->ring_buffer->read_index =  in hv_ringbuffer_init()
245 		ring_info->ring_buffer->write_index = 0;  in hv_ringbuffer_init()
248 	ring_info->ring_buffer->feature_bits.value = 1;  in hv_ringbuffer_init()
274 	vunmap(ring_info->ring_buffer);  in hv_ringbuffer_cleanup()
275 	ring_info->ring_buffer = NULL;  in hv_ringbuffer_cleanup()
459 	write_loc = virt_load_acquire(&rbi->ring_buffer->write_index);  in hv_pkt_iter_avail()
591 	start_read_index = rbi->ring_buffer->read_index;  in hv_pkt_iter_close()
592 	rbi->ring_buffer->read_index = rbi->priv_read_index;  in hv_pkt_iter_close()
599 	if (!rbi->ring_buffer->feature_bits.feat_pending_send_sz)  in hv_pkt_iter_close()
618 	pending_sz = READ_ONCE(rbi->ring_buffer->pending_send_sz);  in hv_pkt_iter_close()