24 	struct a6xx_hfi_queue_header *header = queue->header;  in a6xx_hfi_queue_read()  local
25 	u32 i, hdr, index = header->read_index;  in a6xx_hfi_queue_read()
27 	if (header->read_index == header->write_index) {  in a6xx_hfi_queue_read()
28 		header->rx_request = 1;  in a6xx_hfi_queue_read()
47 		index = (index + 1) % header->size;  in a6xx_hfi_queue_read()
50 	header->read_index = index;  in a6xx_hfi_queue_read()
57 	struct a6xx_hfi_queue_header *header = queue->header;  in a6xx_hfi_queue_write()  local
58 	u32 i, space, index = header->write_index;  in a6xx_hfi_queue_write()
62 	space = CIRC_SPACE(header->write_index, header->read_index,  in a6xx_hfi_queue_write()
63 		header->size);  in a6xx_hfi_queue_write()
65 		header->dropped++;  in a6xx_hfi_queue_write()
72 		index = (index + 1) % header->size;  in a6xx_hfi_queue_write()
75 	header->write_index = index;  in a6xx_hfi_queue_write()
153 		id = HFI_HEADER_ID(resp.header);  in a6xx_hfi_task()
367 		if (!queue->header)  in a6xx_hfi_stop()
370 		if (queue->header->read_index != queue->header->write_index)  in a6xx_hfi_stop()
373 		queue->header->read_index = 0;  in a6xx_hfi_stop()
374 		queue->header->write_index = 0;  in a6xx_hfi_stop()
379 		struct a6xx_hfi_queue_header *header, void *virt, u64 iova,  in a6xx_hfi_queue_init()  argument
383 	queue->header = header;  in a6xx_hfi_queue_init()
388 	header->iova = iova;  in a6xx_hfi_queue_init()
389 	header->type =  10 << 8 | id;  in a6xx_hfi_queue_init()
390 	header->status = 1;  in a6xx_hfi_queue_init()
391 	header->size = SZ_4K >> 2;  in a6xx_hfi_queue_init()
392 	header->msg_size = 0;  in a6xx_hfi_queue_init()
393 	header->dropped = 0;  in a6xx_hfi_queue_init()
394 	header->rx_watermark = 1;  in a6xx_hfi_queue_init()
395 	header->tx_watermark = 1;  in a6xx_hfi_queue_init()
396 	header->rx_request = 1;  in a6xx_hfi_queue_init()
397 	header->tx_request = 0;  in a6xx_hfi_queue_init()
398 	header->read_index = 0;  in a6xx_hfi_queue_init()
399 	header->write_index = 0;  in a6xx_hfi_queue_init()