799 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_reg_bar_read32()  local
801 		mmio_read->read_resp;  in ena_com_reg_bar_read32()
804 	u32 timeout = mmio_read->reg_read_to;  in ena_com_reg_bar_read32()
812 	if (!mmio_read->readless_supported)  in ena_com_reg_bar_read32()
815 	spin_lock_irqsave(&mmio_read->lock, flags);  in ena_com_reg_bar_read32()
816 	mmio_read->seq_num++;  in ena_com_reg_bar_read32()
818 	read_resp->req_id = mmio_read->seq_num + 0xDEAD;  in ena_com_reg_bar_read32()
821 	mmio_read_reg |= mmio_read->seq_num &  in ena_com_reg_bar_read32()
827 		if (READ_ONCE(read_resp->req_id) == mmio_read->seq_num)  in ena_com_reg_bar_read32()
836 			   mmio_read->seq_num, offset, read_resp->req_id, read_resp->reg_off);  in ena_com_reg_bar_read32()
848 	spin_unlock_irqrestore(&mmio_read->lock, flags);  in ena_com_reg_bar_read32()
1669 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_init()  local
1671 	spin_lock_init(&mmio_read->lock);  in ena_com_mmio_reg_read_request_init()
1672 	mmio_read->read_resp = dma_alloc_coherent(ena_dev->dmadev, sizeof(*mmio_read->read_resp),  in ena_com_mmio_reg_read_request_init()
1673 						  &mmio_read->read_resp_dma_addr, GFP_KERNEL);  in ena_com_mmio_reg_read_request_init()
1674 	if (unlikely(!mmio_read->read_resp))  in ena_com_mmio_reg_read_request_init()
1679 	mmio_read->read_resp->req_id = 0x0;  in ena_com_mmio_reg_read_request_init()
1680 	mmio_read->seq_num = 0x0;  in ena_com_mmio_reg_read_request_init()
1681 	mmio_read->readless_supported = true;  in ena_com_mmio_reg_read_request_init()
1692 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_set_mmio_read_mode()  local
1694 	mmio_read->readless_supported = readless_supported;  in ena_com_set_mmio_read_mode()
1699 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_destroy()  local
1704 	dma_free_coherent(ena_dev->dmadev, sizeof(*mmio_read->read_resp), mmio_read->read_resp,  in ena_com_mmio_reg_read_request_destroy()
1705 			  mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_destroy()
1707 	mmio_read->read_resp = NULL;  in ena_com_mmio_reg_read_request_destroy()
1712 	struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;  in ena_com_mmio_reg_read_request_write_dev_addr()  local
1715 	addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_write_dev_addr()
1716 	addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(mmio_read->read_resp_dma_addr);  in ena_com_mmio_reg_read_request_write_dev_addr()