static int arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb,
		struct CommandControlBlock *poll_ccb)
{
	struct MessageUnit_C __iomem *reg = acb->pmuC;
	uint32_t flag_ccb, ccb_cdb_phy;
	struct ARCMSR_CDB *arcmsr_cdb;
	bool error;
	struct CommandControlBlock *pCCB;
	uint32_t poll_ccb_done = 0, poll_count = 0;
	int rtn;
polling_hbc_ccb_retry:
	poll_count++;
	while (1) {
		if ((readl(&reg->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
			if (poll_ccb_done) {
				rtn = SUCCESS;
				break;
			} else {
				msleep(25);
				if (poll_count > 100) {
					rtn = FAILED;
					break;
				}
				goto polling_hbc_ccb_retry;
			}
		}
		flag_ccb = readl(&reg->outbound_queueport_low);
		ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
		arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/
		pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
		poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
		/* check ifcommand done with no error*/
		if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
			if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
				printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
					" poll command abort successfully \n"
					, acb->host->host_no
					, pCCB->pcmd->device->id
					, (u32)pCCB->pcmd->device->lun
					, pCCB);
					pCCB->pcmd->result = DID_ABORT << 16;
					arcmsr_ccb_complete(pCCB);
				continue;
			}
			printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
				" command done ccb = '0x%p'"
				"ccboutstandingcount = %d \n"
				, acb->host->host_no
				, pCCB
				, atomic_read(&acb->ccboutstandingcount));
			continue;
		}
		error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
		arcmsr_report_ccb_state(acb, pCCB, error);
	}
	return rtn;
}
Unknown