msm/adreno/a6xx_hfi.c

31 	struct a6xx_hfi_queue_header *header = queue->header;
32 	u32 i, hdr, index = header->read_index;
34 	if (header->read_index == header->write_index) {
35 		header->rx_request = 1;
46 	 * then we can also assume that if the header size is unexpectedly large
56 		index = (index + 1) % header->size;
60 		index = ALIGN(index, 4) % header->size;
62 	header->read_index = index;
69 	struct a6xx_hfi_queue_header *header = queue->header;
70 	u32 i, space, index = header->write_index;
74 	space = CIRC_SPACE(header->write_index, header->read_index,
75 		header->size);
77 		header->dropped++;
86 		index = (index + 1) % header->size;
91 		for (; index % 4; index = (index + 1) % header->size)
95 	header->write_index = index;
139 		if (HFI_HEADER_ID(resp.header) == HFI_F2H_MSG_ERROR) {
180 	/* First dword of the message is the message header - fill it in */
781 		if (!queue->header)
784 		if (queue->header->read_index != queue->header->write_index)
787 		queue->header->read_index = 0;
788 		queue->header->write_index = 0;
796 		struct a6xx_hfi_queue_header *header, void *virt, u64 iova,
800 	queue->header = header;
807 	/* Set up the shared memory header */
808 	header->iova = iova;
809 	header->type =  10 << 8 | id;
810 	header->status = 1;
811 	header->size = SZ_4K >> 2;
812 	header->msg_size = 0;
813 	header->dropped = 0;
814 	header->rx_watermark = 1;
815 	header->tx_watermark = 1;
816 	header->rx_request = 1;
817 	header->tx_request = 0;
818 	header->read_index = 0;
819 	header->write_index = 0;
831 	 * The table size is the size of the table header plus all of the queue
840 	/* First queue header is located immediately after the table header */