static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
{
	struct MessageUnit_B *reg = acb->pmuB;
	char *acb_firm_model = acb->firm_model;
	char *acb_firm_version = acb->firm_version;
	char *acb_device_map = acb->device_map;
	char __iomem *iop_firm_model;
	/*firm_model,15,60-67*/
	char __iomem *iop_firm_version;
	/*firm_version,17,68-83*/
	char __iomem *iop_device_map;
	/*firm_version,21,84-99*/
	int count;

	iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]);	/*firm_model,15,60-67*/
	iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]);	/*firm_version,17,68-83*/
	iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]);	/*firm_version,21,84-99*/

	arcmsr_wait_firmware_ready(acb);
	writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
	if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
		printk(KERN_ERR "arcmsr%d: can't set driver mode.\n", acb->host->host_no);
		return false;
	}
	writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
	if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
		printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
			miscellaneous data' timeout \n", acb->host->host_no);
		return false;
	}
	count = 8;
	while (count){
		*acb_firm_model = readb(iop_firm_model);
		acb_firm_model++;
		iop_firm_model++;
		count--;
	}
	count = 16;
	while (count){
		*acb_firm_version = readb(iop_firm_version);
		acb_firm_version++;
		iop_firm_version++;
		count--;
	}

	count = 16;
	while(count){
		*acb_device_map = readb(iop_device_map);
		acb_device_map++;
		iop_device_map++;
		count--;
	}
	
	pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
		acb->host->host_no,
		acb->firm_model,
		acb->firm_version);

	acb->signature = readl(&reg->message_rwbuffer[0]);
	/*firm_signature,1,00-03*/
	acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
	/*firm_request_len,1,04-07*/
	acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
	/*firm_numbers_queue,2,08-11*/
	acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
	/*firm_sdram_size,3,12-15*/
	acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
	/*firm_ide_channels,4,16-19*/
	acb->firm_cfg_version = readl(&reg->message_rwbuffer[25]);  /*firm_cfg_version,25,100-103*/
	/*firm_ide_channels,4,16-19*/
	return true;
}
Unknown