833 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_reg_bar_read32()  local
835 		mmio_read->read_resp;  in ena_com_reg_bar_read32()
838 	u32 timeout = mmio_read->reg_read_to;  in ena_com_reg_bar_read32()
846 	if (!mmio_read->readless_supported)  in ena_com_reg_bar_read32()
849 	spin_lock_irqsave(&mmio_read->lock, flags);  in ena_com_reg_bar_read32()
850 	mmio_read->seq_num++;  in ena_com_reg_bar_read32()
852 	read_resp->req_id = mmio_read->seq_num + 0xDEAD;  in ena_com_reg_bar_read32()
855 	mmio_read_reg |= mmio_read->seq_num &  in ena_com_reg_bar_read32()
861 		if (READ_ONCE(read_resp->req_id) == mmio_read->seq_num)  in ena_com_reg_bar_read32()
870 			   mmio_read->seq_num, offset, read_resp->req_id,  in ena_com_reg_bar_read32()
884 	spin_unlock_irqrestore(&mmio_read->lock, flags);  in ena_com_reg_bar_read32()
1733 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_init()  local
1735 	spin_lock_init(&mmio_read->lock);  in ena_com_mmio_reg_read_request_init()
1736 	mmio_read->read_resp =  in ena_com_mmio_reg_read_request_init()
1738 				   sizeof(*mmio_read->read_resp),  in ena_com_mmio_reg_read_request_init()
1739 				   &mmio_read->read_resp_dma_addr, GFP_KERNEL);  in ena_com_mmio_reg_read_request_init()
1740 	if (unlikely(!mmio_read->read_resp))  in ena_com_mmio_reg_read_request_init()
1745 	mmio_read->read_resp->req_id = 0x0;  in ena_com_mmio_reg_read_request_init()
1746 	mmio_read->seq_num = 0x0;  in ena_com_mmio_reg_read_request_init()
1747 	mmio_read->readless_supported = true;  in ena_com_mmio_reg_read_request_init()
1758 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_set_mmio_read_mode()  local
1760 	mmio_read->readless_supported = readless_supported;  in ena_com_set_mmio_read_mode()
1765 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_destroy()  local
1770 	dma_free_coherent(ena_dev->dmadev, sizeof(*mmio_read->read_resp),  in ena_com_mmio_reg_read_request_destroy()
1771 			  mmio_read->read_resp, mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_destroy()
1773 	mmio_read->read_resp = NULL;  in ena_com_mmio_reg_read_request_destroy()
1778 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_write_dev_addr()  local
1781 	addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_write_dev_addr()
1782 	addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_write_dev_addr()