int mmc_wait_command(SIM_HBA *hba)
{
SIM_MMC_EXT *ext;
struct _pulse pulse;
iov_t iov;
int rcvid, intr=0, retry=0;
ext = (SIM_MMC_EXT *)hba->ext;
SETIOV(&iov, &pulse, sizeof(pulse));
while (1) {
if ((rcvid = MsgReceivev(hba->chid, &iov, 1, NULL)) == -1)
continue;
intr = 0;
switch (pulse.code) {
case SIM_INTERRUPT:
intr=ext->interrupt(hba, hba->cfg.IRQRegisters[0], ext->resp_type, ext->mmc_resp);
InterruptUnmask(hba->cfg.IRQRegisters[0], hba->iid);
break;
case SIM_DMA_INTERRUPT:
intr=ext->interrupt(hba, hba->cfg.IRQRegisters[0], ext->resp_type, ext->mmc_resp);
if(hba->cfg.NumIRQs > 1) {
InterruptUnmask(hba->cfg.IRQRegisters[1], ext->iid);
}
break;
case SIM_TIMER:
// Only check media if card detection interrupt is not supported
if (!(ext->hccap & MMC_HCCAP_CD_INTR))
mmc_media_check(hba);
if(!(ext->eflags & MMC_EFLAG_INSERTED))
return MMC_FAILURE;
break;
default:
break;
}
if(intr & MMC_INTR_CARD){
mmc_media_check(hba);
return MMC_FAILURE;
}
if((intr & MMC_INTR_COMMAND) && !(intr & MMC_INTR_ERROR))
return MMC_SUCCESS;
if(retry++ >5)
return MMC_FAILURE;
}
return MMC_FAILURE;
}
static void mmc_unit_ready(SIM_HBA *hba)
{
SIM_MMC_EXT *ext = (SIM_MMC_EXT *)hba->ext;
CCB_SCSIIO *ccb = ext->nexus;
if (ext->eflags & MMC_EFLAG_MEDIA_CHANGED) {
mmc_sense(hba, SK_UNIT_ATN, ASC_MEDIUM_CHANGED, ASCQ_UNKNOWN_CHANGED);
atomic_clr(&ext->eflags, MMC_EFLAG_MEDIA_CHANGED);
} else if (ext->eflags & MMC_EFLAG_READY) {
if (ext->detect(hba) != MMC_SUCCESS) {
mmc_media_check(hba);
mmc_sense(hba, SK_NOT_RDY, ASC_MEDIA_NOT_PRESENT, 0);
} else
ccb->cam_ch.cam_status = CAM_REQ_CMP;
} else
mmc_sense(hba, SK_NOT_RDY, ASC_MEDIA_NOT_PRESENT, 0);
}
