802 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_reg_bar_read32()  local
804 		mmio_read->read_resp;  in ena_com_reg_bar_read32()
807 	u32 timeout = mmio_read->reg_read_to;  in ena_com_reg_bar_read32()
815 	if (!mmio_read->readless_supported)  in ena_com_reg_bar_read32()
818 	spin_lock_irqsave(&mmio_read->lock, flags);  in ena_com_reg_bar_read32()
819 	mmio_read->seq_num++;  in ena_com_reg_bar_read32()
821 	read_resp->req_id = mmio_read->seq_num + 0xDEAD;  in ena_com_reg_bar_read32()
824 	mmio_read_reg |= mmio_read->seq_num &  in ena_com_reg_bar_read32()
830 		if (READ_ONCE(read_resp->req_id) == mmio_read->seq_num)  in ena_com_reg_bar_read32()
838 		       mmio_read->seq_num, offset, read_resp->req_id,  in ena_com_reg_bar_read32()
851 	spin_unlock_irqrestore(&mmio_read->lock, flags);  in ena_com_reg_bar_read32()
1679 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_init()  local
1681 	spin_lock_init(&mmio_read->lock);  in ena_com_mmio_reg_read_request_init()
1682 	mmio_read->read_resp =  in ena_com_mmio_reg_read_request_init()
1684 				   sizeof(*mmio_read->read_resp),  in ena_com_mmio_reg_read_request_init()
1685 				   &mmio_read->read_resp_dma_addr, GFP_KERNEL);  in ena_com_mmio_reg_read_request_init()
1686 	if (unlikely(!mmio_read->read_resp))  in ena_com_mmio_reg_read_request_init()
1691 	mmio_read->read_resp->req_id = 0x0;  in ena_com_mmio_reg_read_request_init()
1692 	mmio_read->seq_num = 0x0;  in ena_com_mmio_reg_read_request_init()
1693 	mmio_read->readless_supported = true;  in ena_com_mmio_reg_read_request_init()
1704 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_set_mmio_read_mode()  local
1706 	mmio_read->readless_supported = readless_supported;  in ena_com_set_mmio_read_mode()
1711 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_destroy()  local
1716 	dma_free_coherent(ena_dev->dmadev, sizeof(*mmio_read->read_resp),  in ena_com_mmio_reg_read_request_destroy()
1717 			  mmio_read->read_resp, mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_destroy()
1719 	mmio_read->read_resp = NULL;  in ena_com_mmio_reg_read_request_destroy()
1724 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_write_dev_addr()  local
1727 	addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_write_dev_addr()
1728 	addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_write_dev_addr()